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rtl8188eu: Add hostapd-2.9 modified for the rtl871x driver

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Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
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Contributions to hostap.git
---------------------------
This software is distributed under a permissive open source license to
allow it to be used in any projects, whether open source or proprietary.
Contributions to the project are welcome and it is important to maintain
clear record of contributions and terms under which they are licensed.
To help with this, following procedure is used to allow acceptance and
recording of the terms.
All contributions are expected to be licensed under the modified BSD
license (see below). Acknowledgment of the terms is tracked through
inclusion of Signed-off-by tag in the contributions at the end of the
commit log message. This tag indicates that the contributor agrees with
the Developer Certificate of Origin (DCO) version 1.1 terms (see below;
also available from http://developercertificate.org/).
The current requirements for contributions to hostap.git
--------------------------------------------------------
To indicate your acceptance of Developer's Certificate of Origin 1.1
terms, please add the following line to the end of the commit message
for each contribution you make to the project:
Signed-off-by: Your Name <your@email.example.org>
using your real name. Pseudonyms or anonymous contributions cannot
unfortunately be accepted.
The preferred method of submitting the contribution to the project is by
email to the hostap mailing list:
hostap@lists.infradead.org
Note that the list may require subscription before accepting message
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The patches should be separate logical changes rather than doing
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functionality is added, why the changes are useful, etc.).
Please try to follow the coding style used in the project.
In general, the best way of generating a suitable formatted patch file
is by committing the changes to a cloned git repository and using git
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History of license and contributions terms
------------------------------------------
Until February 11, 2012, in case of most files in hostap.git, "under the
open source license indicated in the file" means that the contribution
is licensed both under GPL v2 and modified BSD license (see below) and
the choice between these licenses is given to anyone who redistributes
or uses the software. As such, the contribution has to be licensed under
both options to allow this choice.
As of February 11, 2012, the project has chosen to use only the BSD
license option for future distribution. As such, the GPL v2 license
option is no longer used and the contributions are not required to be
licensed until GPL v2. In case of most files in hostap.git, "under the
open source license indicated in the file" means that the contribution
is licensed under the modified BSD license (see below).
Until February 13, 2014, the project used an extended version of the DCO
that included the identical items (a) through (d) from DCO 1.1 and an
additional item (e):
(e) The contribution can be licensed under the modified BSD license
as shown below even in case of files that are currently licensed
under other terms.
This was used during the period when some of the files included the old
license terms. Acceptance of this extended DCO version was indicated
with a Signed-hostap tag in the commit message. This additional item (e)
was used to collect explicit approval to license the contribution with
only the modified BSD license (see below), i.e., without the GPL v2
option. This was done to allow simpler licensing terms to be used in the
future. It should be noted that the modified BSD license is compatible
with GNU GPL and as such, this possible move to simpler licensing option
does not prevent use of this software in GPL projects.
===[ start quote from http://developercertificate.org/ ]=======================
Developer Certificate of Origin
Version 1.1
Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
660 York Street, Suite 102,
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Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.
Developer's Certificate of Origin 1.1
By making a contribution to this project, I certify that:
(a) The contribution was created in whole or in part by me and I
have the right to submit it under the open source license
indicated in the file; or
(b) The contribution is based upon previous work that, to the best
of my knowledge, is covered under an appropriate open source
license and I have the right under that license to submit that
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in the file; or
(c) The contribution was provided directly to me by some other
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this project or the open source license(s) involved.
===[ end quote from http://developercertificate.org/ ]=========================
The license terms used for hostap.git files
-------------------------------------------
Modified BSD license (no advertisement clause):
Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> and contributors
All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name(s) of the above-listed copyright holder(s) nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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wpa_supplicant and hostapd
--------------------------
Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> and contributors
All Rights Reserved.
See the README file for the current license terms.
This software was previously distributed under BSD/GPL v2 dual license
terms that allowed either of those license alternatives to be
selected. As of February 11, 2012, the project has chosen to use only
the BSD license option for future distribution. As such, the GPL v2
license option is no longer used. It should be noted that the BSD
license option (the one with advertisement clause removed) is compatible
with GPL and as such, does not prevent use of this software in projects
that use GPL.
Some of the files may still include pointers to GPL version 2 license
terms. However, such copyright and license notifications are maintained
only for attribution purposes and any distribution of this software
after February 11, 2012 is no longer under the GPL v2 option.

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wpa_supplicant and hostapd
--------------------------
Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> and contributors
All Rights Reserved.
These programs are licensed under the BSD license (the one with
advertisement clause removed).
If you are submitting changes to the project, please see CONTRIBUTIONS
file for more instructions.
This package may include either wpa_supplicant, hostapd, or both. See
README file respective subdirectories (wpa_supplicant/README or
hostapd/README) for more details.
Source code files were moved around in v0.6.x releases and compared to
earlier releases, the programs are now built by first going to a
subdirectory (wpa_supplicant or hostapd) and creating build
configuration (.config) and running 'make' there (for Linux/BSD/cygwin
builds).
License
-------
This software may be distributed, used, and modified under the terms of
BSD license:
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name(s) of the above-listed copyright holder(s) nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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hostapd - user space IEEE 802.11 AP and IEEE 802.1X/WPA/WPA2/EAP
Authenticator and RADIUS authentication server
================================================================
Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> and contributors
All Rights Reserved.
This program is licensed under the BSD license (the one with
advertisement clause removed).
If you are submitting changes to the project, please see CONTRIBUTIONS
file for more instructions.
License
-------
This software may be distributed, used, and modified under the terms of
BSD license:
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name(s) of the above-listed copyright holder(s) nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Introduction
============
Originally, hostapd was an optional user space component for Host AP
driver. It adds more features to the basic IEEE 802.11 management
included in the kernel driver: using external RADIUS authentication
server for MAC address based access control, IEEE 802.1X Authenticator
and dynamic WEP keying, RADIUS accounting, WPA/WPA2 (IEEE 802.11i/RSN)
Authenticator and dynamic TKIP/CCMP keying.
The current version includes support for other drivers, an integrated
EAP server (i.e., allow full authentication without requiring
an external RADIUS authentication server), and RADIUS authentication
server for EAP authentication.
Requirements
------------
Current hardware/software requirements:
- drivers:
Host AP driver for Prism2/2.5/3.
(http://w1.fi/hostap-driver.html)
Please note that station firmware version needs to be 1.7.0 or newer
to work in WPA mode.
mac80211-based drivers that support AP mode (with driver=nl80211).
This includes drivers for Atheros (ath9k) and Broadcom (b43)
chipsets.
Any wired Ethernet driver for wired IEEE 802.1X authentication
(experimental code)
FreeBSD -current
BSD net80211 layer (e.g., Atheros driver)
Build configuration
-------------------
In order to be able to build hostapd, you will need to create a build
time configuration file, .config that selects which optional
components are included. See defconfig file for example configuration
and list of available options.
IEEE 802.1X
===========
IEEE Std 802.1X-2001 is a standard for port-based network access
control. In case of IEEE 802.11 networks, a "virtual port" is used
between each associated station and the AP. IEEE 802.11 specifies
minimal authentication mechanism for stations, whereas IEEE 802.1X
introduces a extensible mechanism for authenticating and authorizing
users.
IEEE 802.1X uses elements called Supplicant, Authenticator, Port
Access Entity, and Authentication Server. Supplicant is a component in
a station and it performs the authentication with the Authentication
Server. An access point includes an Authenticator that relays the packets
between a Supplicant and an Authentication Server. In addition, it has a
Port Access Entity (PAE) with Authenticator functionality for
controlling the virtual port authorization, i.e., whether to accept
packets from or to the station.
IEEE 802.1X uses Extensible Authentication Protocol (EAP). The frames
between a Supplicant and an Authenticator are sent using EAP over LAN
(EAPOL) and the Authenticator relays these frames to the Authentication
Server (and similarly, relays the messages from the Authentication
Server to the Supplicant). The Authentication Server can be colocated with the
Authenticator, in which case there is no need for additional protocol
for EAP frame transmission. However, a more common configuration is to
use an external Authentication Server and encapsulate EAP frame in the
frames used by that server. RADIUS is suitable for this, but IEEE
802.1X would also allow other mechanisms.
Host AP driver includes PAE functionality in the kernel driver. It
is a relatively simple mechanism for denying normal frames going to
or coming from an unauthorized port. PAE allows IEEE 802.1X related
frames to be passed between the Supplicant and the Authenticator even
on an unauthorized port.
User space daemon, hostapd, includes Authenticator functionality. It
receives 802.1X (EAPOL) frames from the Supplicant using the wlan#ap
device that is also used with IEEE 802.11 management frames. The
frames to the Supplicant are sent using the same device.
The normal configuration of the Authenticator would use an external
Authentication Server. hostapd supports RADIUS encapsulation of EAP
packets, so the Authentication Server should be a RADIUS server, like
FreeRADIUS (http://www.freeradius.org/). The Authenticator in hostapd
relays the frames between the Supplicant and the Authentication
Server. It also controls the PAE functionality in the kernel driver by
controlling virtual port authorization, i.e., station-AP
connection, based on the IEEE 802.1X state.
When a station would like to use the services of an access point, it
will first perform IEEE 802.11 authentication. This is normally done
with open systems authentication, so there is no security. After
this, IEEE 802.11 association is performed. If IEEE 802.1X is
configured to be used, the virtual port for the station is set in
Unauthorized state and only IEEE 802.1X frames are accepted at this
point. The Authenticator will then ask the Supplicant to authenticate
with the Authentication Server. After this is completed successfully,
the virtual port is set to Authorized state and frames from and to the
station are accepted.
Host AP configuration for IEEE 802.1X
-------------------------------------
The user space daemon has its own configuration file that can be used to
define AP options. Distribution package contains an example
configuration file (hostapd/hostapd.conf) that can be used as a basis
for configuration. It includes examples of all supported configuration
options and short description of each option. hostapd should be started
with full path to the configuration file as the command line argument,
e.g., './hostapd /etc/hostapd.conf'. If you have more that one wireless
LAN card, you can use one hostapd process for multiple interfaces by
giving a list of configuration files (one per interface) in the command
line.
hostapd includes a minimal co-located IEEE 802.1X server which can be
used to test IEEE 802.1X authentication. However, it should not be
used in normal use since it does not provide any security. This can be
configured by setting ieee8021x and minimal_eap options in the
configuration file.
An external Authentication Server (RADIUS) is configured with
auth_server_{addr,port,shared_secret} options. In addition,
ieee8021x and own_ip_addr must be set for this mode. With such
configuration, the co-located Authentication Server is not used and EAP
frames will be relayed using EAPOL between the Supplicant and the
Authenticator and RADIUS encapsulation between the Authenticator and
the Authentication Server. Other than this, the functionality is similar
to the case with the co-located Authentication Server.
Authentication Server
---------------------
Any RADIUS server supporting EAP should be usable as an IEEE 802.1X
Authentication Server with hostapd Authenticator. FreeRADIUS
(http://www.freeradius.org/) has been successfully tested with hostapd
Authenticator.
Automatic WEP key configuration
-------------------------------
EAP/TLS generates a session key that can be used to send WEP keys from
an AP to authenticated stations. The Authenticator in hostapd can be
configured to automatically select a random default/broadcast key
(shared by all authenticated stations) with wep_key_len_broadcast
option (5 for 40-bit WEP or 13 for 104-bit WEP). In addition,
wep_key_len_unicast option can be used to configure individual unicast
keys for stations. This requires support for individual keys in the
station driver.
WEP keys can be automatically updated by configuring rekeying. This
will improve security of the network since same WEP key will only be
used for a limited period of time. wep_rekey_period option sets the
interval for rekeying in seconds.
WPA/WPA2
========
Features
--------
Supported WPA/IEEE 802.11i features:
- WPA-PSK ("WPA-Personal")
- WPA with EAP (e.g., with RADIUS authentication server) ("WPA-Enterprise")
- key management for CCMP, TKIP, WEP104, WEP40
- RSN/WPA2 (IEEE 802.11i), including PMKSA caching and pre-authentication
WPA
---
The original security mechanism of IEEE 802.11 standard was not
designed to be strong and has proved to be insufficient for most
networks that require some kind of security. Task group I (Security)
of IEEE 802.11 working group (http://www.ieee802.org/11/) has worked
to address the flaws of the base standard and has in practice
completed its work in May 2004. The IEEE 802.11i amendment to the IEEE
802.11 standard was approved in June 2004 and this amendment was
published in July 2004.
Wi-Fi Alliance (http://www.wi-fi.org/) used a draft version of the
IEEE 802.11i work (draft 3.0) to define a subset of the security
enhancements that can be implemented with existing wlan hardware. This
is called Wi-Fi Protected Access<TM> (WPA). This has now become a
mandatory component of interoperability testing and certification done
by Wi-Fi Alliance.
IEEE 802.11 standard defined wired equivalent privacy (WEP) algorithm
for protecting wireless networks. WEP uses RC4 with 40-bit keys,
24-bit initialization vector (IV), and CRC32 to protect against packet
forgery. All these choices have proven to be insufficient: key space is
too small against current attacks, RC4 key scheduling is insufficient
(beginning of the pseudorandom stream should be skipped), IV space is
too small and IV reuse makes attacks easier, there is no replay
protection, and non-keyed authentication does not protect against bit
flipping packet data.
WPA is an intermediate solution for the security issues. It uses
Temporal Key Integrity Protocol (TKIP) to replace WEP. TKIP is a
compromise on strong security and possibility to use existing
hardware. It still uses RC4 for the encryption like WEP, but with
per-packet RC4 keys. In addition, it implements replay protection,
keyed packet authentication mechanism (Michael MIC).
Keys can be managed using two different mechanisms. WPA can either use
an external authentication server (e.g., RADIUS) and EAP just like
IEEE 802.1X is using or pre-shared keys without need for additional
servers. Wi-Fi calls these "WPA-Enterprise" and "WPA-Personal",
respectively. Both mechanisms will generate a master session key for
the Authenticator (AP) and Supplicant (client station).
WPA implements a new key handshake (4-Way Handshake and Group Key
Handshake) for generating and exchanging data encryption keys between
the Authenticator and Supplicant. This handshake is also used to
verify that both Authenticator and Supplicant know the master session
key. These handshakes are identical regardless of the selected key
management mechanism (only the method for generating master session
key changes).
IEEE 802.11i / WPA2
-------------------
The design for parts of IEEE 802.11i that were not included in WPA has
finished (May 2004) and this amendment to IEEE 802.11 was approved in
June 2004. Wi-Fi Alliance is using the final IEEE 802.11i as a new
version of WPA called WPA2. This includes, e.g., support for more
robust encryption algorithm (CCMP: AES in Counter mode with CBC-MAC)
to replace TKIP and optimizations for handoff (reduced number of
messages in initial key handshake, pre-authentication, and PMKSA caching).
Some wireless LAN vendors are already providing support for CCMP in
their WPA products. There is no "official" interoperability
certification for CCMP and/or mixed modes using both TKIP and CCMP, so
some interoperability issues can be expected even though many
combinations seem to be working with equipment from different vendors.
Testing for WPA2 is likely to start during the second half of 2004.
hostapd configuration for WPA/WPA2
----------------------------------
TODO
# Enable WPA. Setting this variable configures the AP to require WPA (either
# WPA-PSK or WPA-RADIUS/EAP based on other configuration). For WPA-PSK, either
# wpa_psk or wpa_passphrase must be set and wpa_key_mgmt must include WPA-PSK.
# For WPA-RADIUS/EAP, ieee8021x must be set (but without dynamic WEP keys),
# RADIUS authentication server must be configured, and WPA-EAP must be included
# in wpa_key_mgmt.
# This field is a bit field that can be used to enable WPA (IEEE 802.11i/D3.0)
# and/or WPA2 (full IEEE 802.11i/RSN):
# bit0 = WPA
# bit1 = IEEE 802.11i/RSN (WPA2)
#wpa=1
# WPA pre-shared keys for WPA-PSK. This can be either entered as a 256-bit
# secret in hex format (64 hex digits), wpa_psk, or as an ASCII passphrase
# (8..63 characters) that will be converted to PSK. This conversion uses SSID
# so the PSK changes when ASCII passphrase is used and the SSID is changed.
#wpa_psk=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef
#wpa_passphrase=secret passphrase
# Set of accepted key management algorithms (WPA-PSK, WPA-EAP, or both). The
# entries are separated with a space.
#wpa_key_mgmt=WPA-PSK WPA-EAP
# Set of accepted cipher suites (encryption algorithms) for pairwise keys
# (unicast packets). This is a space separated list of algorithms:
# CCMP = AES in Counter mode with CBC-MAC [RFC 3610, IEEE 802.11i]
# TKIP = Temporal Key Integrity Protocol [IEEE 802.11i]
# Group cipher suite (encryption algorithm for broadcast and multicast frames)
# is automatically selected based on this configuration. If only CCMP is
# allowed as the pairwise cipher, group cipher will also be CCMP. Otherwise,
# TKIP will be used as the group cipher.
#wpa_pairwise=TKIP CCMP
# Time interval for rekeying GTK (broadcast/multicast encryption keys) in
# seconds.
#wpa_group_rekey=600
# Time interval for rekeying GMK (master key used internally to generate GTKs
# (in seconds).
#wpa_gmk_rekey=86400
# Enable IEEE 802.11i/RSN/WPA2 pre-authentication. This is used to speed up
# roaming be pre-authenticating IEEE 802.1X/EAP part of the full RSN
# authentication and key handshake before actually associating with a new AP.
#rsn_preauth=1
#
# Space separated list of interfaces from which pre-authentication frames are
# accepted (e.g., 'eth0' or 'eth0 wlan0wds0'. This list should include all
# interface that are used for connections to other APs. This could include
# wired interfaces and WDS links. The normal wireless data interface towards
# associated stations (e.g., wlan0) should not be added, since
# pre-authentication is only used with APs other than the currently associated
# one.
#rsn_preauth_interfaces=eth0

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hostapd, wpa_supplicant and the Multi-AP Specification
======================================================
This document describes how hostapd and wpa_supplicant can be configured to
support the Multi-AP Specification.
Introduction to Multi-AP
------------------------
The Wi-Fi Alliance Multi-AP Specification is the technical specification for
Wi-Fi CERTIFIED EasyMesh(TM) [1], the Wi-Fi Alliance® certification program for
Multi-AP. It defines control protocols between Wi-Fi® access points (APs) to
join them into a network with centralized control and operation. It is targeted
only at routers (repeaters, gateways, ...), not at clients. Clients are not
involved at all in the protocols.
Most of the Multi-AP specification falls outside of the scope of
hostapd/wpa_supplicant. hostapd/wpa_supplicant is only involved for the items
summarized below. The rest of the protocol must be implemented by a separate
daemon, e.g., prplMesh [2]. That daemon also needs to communicate with hostapd,
e.g., to get a list of associated clients, but this can be done using the normal
hostapd interfaces.
hostapd/wpa_supplicant needs to be configured specifically to support:
- the WPS onboarding process;
- configuring backhaul links.
The text below refers to "Multi-AP Specification v1.0" [3].
Fronthaul and backhaul links
----------------------------
In a Multi-AP network, the central controller can configure the BSSs on the
devices that are joined into the network. These are called fronthaul BSSs.
From the point of view of hostapd, there is nothing special about these
fronthaul BSSs.
In addition to fronthaul BSSs, the controller can also configure backhaul
links. A backhaul link is a link between two access point devices, giving
internet access to access point devices that don't have a wired link. The
Multi-AP specification doesn't dictate this, but typically the backhaul link
will be bridged into a LAN together with (one of) the fronthaul BSS(s) and the
wired Ethernet ports.
A backhaul link must be treated specially by hostapd and wpa_supplicant. One
side of the backhaul link is configured through the Multi-AP protocol as the
"backhaul STA", i.e., the client side of the link. A backhaul STA is like any
station and is handled appropriately by wpa_supplicant, but two additional
features are required. It must send an additional information element in each
(Re)Association Request frame ([3], section 5.2, paragraph 4). In addition, it
must use 4-address mode for all frames sent over this link ([3], section 14).
Therefore, wpa_supplicant must be configured explicitly as the backhaul STA
role, by setting 'multi_ap_backhaul_sta=1' in the network configuration block
or when configuring the network profile through the control interface. When
'multi_ap_backhaul_sta=1', wpa_supplicant includes the Multi-AP IE in
(Re)Association Request frame and verifies that it is included in the
(Re)Association Response frame. If it is not, association fails. If it is,
wpa_supplicant sets 4-address mode for this interface through a driver
callback.
The AP side of the backhaul link is called a "backhaul BSS". Such a BSS must
be handled specially by hostapd, because it must add an additional information
element in each (Re)Association Response frame, but only to stations that have
identified themselves as backhaul stations ([3], section 5.2, paragraph 5-6).
This is important because it is possible to use the same BSS and SSID for
fronthaul and backhaul at the same time. The additional information element must
only be used for frames sent to a backhaul STA, not to a normal STA. Also,
frames sent to a backhaul STA must use 4-address mode, while frames sent to a
normal STA (fronthaul, when it's a fronthaul and backhaul BSS) must use
3-address mode.
A BSS is configured in Multi-AP mode in hostapd by setting the 'multi_ap'
configuration option to 1 (backhaul BSS), 2 (fronthaul BSS), or 3
(simultaneous backhaul and fronthaul BSS). If this option is set, hostapd
parses the Multi-AP information element in the Association Request frame. If the
station is a backhaul STA and the BSS is configured as a backhaul BSS,
hostapd sets up 4-address mode. Since there may be multiple stations connected
simultaneously, and each of them has a different RA (receiver address), a VLAN
is created for each backhaul STA and it is automatically added to a bridge.
This is the same behavior as for WDS, and the relevant option ('bridge' or
'wds_bridge') applies here as well.
If 'multi_ap' is 1 (backhaul BSS only), any station that tries to associate
without the Multi-AP information element will be denied.
If 'multi_ap' is 2 (fronthaul BSS only), any station that tries to associate
with the Multi-AP information element will be denied. That is also the only
difference with 'multi_ap' set to 0: in the latter case, the Multi-AP
information element is simply ignored.
In summary, this is the end-to-end behavior for a backhaul BSS (i.e.,
multi_ap_backhaul_sta=1 in wpa_supplicant on STA, and multi_ap=1 or 3 in
hostapd on AP). Note that point 1 means that hostapd must not be configured
with WPS support on the backhaul BSS (multi_ap=1). hostapd does not check for
that.
1. Backhaul BSS beacons do not advertise WPS support (other than that, nothing
Multi-AP specific).
2. STA sends Authentication frame (nothing Multi-AP specific).
3. AP sends Authentication frame (nothing Multi-AP specific).
4. STA sends Association Request frame with Multi-AP IE.
5. AP sends Association Response frame with Multi-AP IE.
6. STA and AP both use 4-address mode for Data frames.
WPS support
-----------
WPS requires more special handling. WPS must only be advertised on fronthaul
BSSs, not on backhaul BSSs, so WPS should not be enabled on a backhaul-only
BSS in hostapd.conf. The WPS configuration purely works on the fronthaul BSS.
When a WPS M1 message has an additional subelement that indicates a request for
a Multi-AP backhaul link, hostapd must not respond with the normal fronthaul
BSS credentials; instead, it should respond with the (potentially different)
backhaul BSS credentials.
To support this, hostapd has the 'multi_ap_backhaul_ssid',
'multi_ap_backhaul_wpa_psk' and 'multi_ap_backhaul_wpa_passphrase' options.
When these are set on an BSS with WPS, they are used instead of the normal
credentials when hostapd receives a WPS M1 message with the Multi-AP IE. Only
WPA2-Personal is supported in the Multi-AP specification, so there is no need
to specify authentication or encryption options. For the backhaul credentials,
per-device PSK is not supported.
If the BSS is a simultaneous backhaul and fronthaul BSS, there is no need to
specify the backhaul credentials, since the backhaul and fronthaul credentials
are identical.
To enable the Multi-AP backhaul STA feature when it performs WPS, a new
parameter has been introduced to the WPS_PBC control interface call. When this
"multi_ap=1" option is set, it adds the Multi-AP backhaul subelement to the
Association Request frame and the M1 message. It then configures the new network
profile with 'multi_ap_backhaul_sta=1'. Note that this means that if the AP does
not follow the Multi-AP specification, wpa_supplicant will fail to associate.
In summary, this is the end-to-end behavior for WPS of a backhaul link (i.e.,
multi_ap=1 option is given in the wps_pbc call on the STA side, and multi_ap=2
and multi_ap_backhaul_ssid and either multi_ap_backhaul_wpa_psk or
multi_ap_backhaul_wpa_passphrase are set to the credentials of a backhaul BSS
in hostapd on Registrar AP).
1. Fronthaul BSS Beacon frames advertise WPS support (nothing Multi-AP
specific).
2. Enrollee sends Authentication frame (nothing Multi-AP specific).
3. AP sends Authentication frame (nothing Multi-AP specific).
4. Enrollee sends Association Request frame with Multi-AP IE.
5. AP sends Association Response frame with Multi-AP IE.
6. Enrollee sends M1 with additional Multi-AP subelement.
7. AP sends M8 with backhaul instead of fronthaul credentials.
8. Enrollee sends Deauthentication frame.
References
----------
[1] https://www.wi-fi.org/discover-wi-fi/wi-fi-easymesh
[2] https://github.com/prplfoundation/prplMesh
[3] https://www.wi-fi.org/file/multi-ap-specification-v10
(requires registration)

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hostapd and Wi-Fi Protected Setup (WPS)
=======================================
This document describes how the WPS implementation in hostapd can be
configured and how an external component on an AP (e.g., web UI) is
used to enable enrollment of client devices.
Introduction to WPS
-------------------
Wi-Fi Protected Setup (WPS) is a mechanism for easy configuration of a
wireless network. It allows automated generation of random keys (WPA
passphrase/PSK) and configuration of an access point and client
devices. WPS includes number of methods for setting up connections
with PIN method and push-button configuration (PBC) being the most
commonly deployed options.
While WPS can enable more home networks to use encryption in the
wireless network, it should be noted that the use of the PIN and
especially PBC mechanisms for authenticating the initial key setup is
not very secure. As such, use of WPS may not be suitable for
environments that require secure network access without chance for
allowing outsiders to gain access during the setup phase.
WPS uses following terms to describe the entities participating in the
network setup:
- access point: the WLAN access point
- Registrar: a device that control a network and can authorize
addition of new devices); this may be either in the AP ("internal
Registrar") or in an external device, e.g., a laptop, ("external
Registrar")
- Enrollee: a device that is being authorized to use the network
It should also be noted that the AP and a client device may change
roles (i.e., AP acts as an Enrollee and client device as a Registrar)
when WPS is used to configure the access point.
More information about WPS is available from Wi-Fi Alliance:
http://www.wi-fi.org/wifi-protected-setup
hostapd implementation
----------------------
hostapd includes an optional WPS component that can be used as an
internal WPS Registrar to manage addition of new WPS enabled clients
to the network. In addition, WPS Enrollee functionality in hostapd can
be used to allow external WPS Registrars to configure the access
point, e.g., for initial network setup. In addition, hostapd can proxy a
WPS registration between a wireless Enrollee and an external Registrar
(e.g., Microsoft Vista or Atheros JumpStart) with UPnP.
hostapd configuration
---------------------
WPS is an optional component that needs to be enabled in hostapd build
configuration (.config). Here is an example configuration that
includes WPS support and uses nl80211 driver interface:
CONFIG_DRIVER_NL80211=y
CONFIG_WPS=y
CONFIG_WPS_UPNP=y
Following parameter can be used to enable support for NFC config method:
CONFIG_WPS_NFC=y
Following section shows an example runtime configuration
(hostapd.conf) that enables WPS:
# Configure the driver and network interface
driver=nl80211
interface=wlan0
# WPA2-Personal configuration for the AP
ssid=wps-test
wpa=2
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP
# Default WPA passphrase for legacy (non-WPS) clients
wpa_passphrase=12345678
# Enable random per-device PSK generation for WPS clients
# Please note that the file has to exists for hostapd to start (i.e., create an
# empty file as a starting point).
wpa_psk_file=/etc/hostapd.psk
# Enable control interface for PBC/PIN entry
ctrl_interface=/var/run/hostapd
# Enable internal EAP server for EAP-WSC (part of Wi-Fi Protected Setup)
eap_server=1
# WPS configuration (AP configured, do not allow external WPS Registrars)
wps_state=2
ap_setup_locked=1
# If UUID is not configured, it will be generated based on local MAC address.
uuid=87654321-9abc-def0-1234-56789abc0000
wps_pin_requests=/var/run/hostapd.pin-req
device_name=Wireless AP
manufacturer=Company
model_name=WAP
model_number=123
serial_number=12345
device_type=6-0050F204-1
os_version=01020300
config_methods=label display push_button keypad
# if external Registrars are allowed, UPnP support could be added:
#upnp_iface=br0
#friendly_name=WPS Access Point
External operations
-------------------
WPS requires either a device PIN code (usually, 8-digit number) or a
pushbutton event (for PBC) to allow a new WPS Enrollee to join the
network. hostapd uses the control interface as an input channel for
these events.
The PIN value used in the commands must be processed by an UI to
remove non-digit characters and potentially, to verify the checksum
digit. "hostapd_cli wps_check_pin <PIN>" can be used to do such
processing. It returns FAIL if the PIN is invalid, or FAIL-CHECKSUM if
the checksum digit is incorrect, or the processed PIN (non-digit
characters removed) if the PIN is valid.
When a client device (WPS Enrollee) connects to hostapd (WPS
Registrar) in order to start PIN mode negotiation for WPS, an
identifier (Enrollee UUID) is sent. hostapd will need to be configured
with a device password (PIN) for this Enrollee. This is an operation
that requires user interaction (assuming there are no pre-configured
PINs on the AP for a set of Enrollee).
The PIN request with information about the device is appended to the
wps_pin_requests file (/var/run/hostapd.pin-req in this example). In
addition, hostapd control interface event is sent as a notification of
a new device. The AP could use, e.g., a web UI for showing active
Enrollees to the user and request a PIN for an Enrollee.
The PIN request file has one line for every Enrollee that connected to
the AP, but for which there was no PIN. Following information is
provided for each Enrollee (separated with tabulators):
- timestamp (seconds from 1970-01-01)
- Enrollee UUID
- MAC address
- Device name
- Manufacturer
- Model Name
- Model Number
- Serial Number
- Device category
Example line in the /var/run/hostapd.pin-req file:
1200188391 53b63a98-d29e-4457-a2ed-094d7e6a669c Intel(R) Centrino(R) Intel Corporation Intel(R) Centrino(R) - - 1-0050F204-1
Control interface data:
WPS-PIN-NEEDED [UUID-E|MAC Address|Device Name|Manufacturer|Model Name|Model Number|Serial Number|Device Category]
For example:
<2>WPS-PIN-NEEDED [53b63a98-d29e-4457-a2ed-094d7e6a669c|02:12:34:56:78:9a|Device|Manuf|Model|Model Number|Serial Number|1-0050F204-1]
When the user enters a PIN for a pending Enrollee, e.g., on the web
UI), hostapd needs to be notified of the new PIN over the control
interface. This can be done either by using the UNIX domain socket
-based control interface directly (src/common/wpa_ctrl.c provides
helper functions for using the interface) or by calling hostapd_cli.
Example command to add a PIN (12345670) for an Enrollee:
hostapd_cli wps_pin 53b63a98-d29e-4457-a2ed-094d7e6a669c 12345670
If the UUID-E is not available (e.g., Enrollee waits for the Registrar
to be selected before connecting), wildcard UUID may be used to allow
the PIN to be used once with any UUID:
hostapd_cli wps_pin any 12345670
To reduce likelihood of PIN being used with other devices or of
forgetting an active PIN available for potential attackers, expiration
time in seconds can be set for the new PIN (value 0 indicates no
expiration):
hostapd_cli wps_pin any 12345670 300
If the MAC address of the enrollee is known, it should be configured
to allow the AP to advertise list of authorized enrollees:
hostapd_cli wps_pin 53b63a98-d29e-4457-a2ed-094d7e6a669c \
12345670 300 00:11:22:33:44:55
After this, the Enrollee can connect to the AP again and complete WPS
negotiation. At that point, a new, random WPA PSK is generated for the
client device and the client can then use that key to connect to the
AP to access the network.
If the AP includes a pushbutton, WPS PBC mode can be used. It is
enabled by pushing a button on both the AP and the client at about the
same time (2 minute window). hostapd needs to be notified about the AP
button pushed event over the control interface, e.g., by calling
hostapd_cli:
hostapd_cli wps_pbc
At this point, the client has two minutes to complete WPS negotiation
which will generate a new WPA PSK in the same way as the PIN method
described above.
When an external Registrar is used, the AP can act as an Enrollee and
use its AP PIN. A static AP PIN (e.g., one one a label in the AP
device) can be configured in hostapd.conf (ap_pin parameter). A more
secure option is to use hostapd_cli wps_ap_pin command to enable the
AP PIN only based on user action (and even better security by using a
random AP PIN for each session, i.e., by using "wps_ap_pin random"
command with a timeout value). Following commands are available for
managing the dynamic AP PIN operations:
hostapd_cli wps_ap_pin disable
- disable AP PIN (i.e., do not allow external Registrars to use it to
learn the current AP settings or to reconfigure the AP)
hostapd_cli wps_ap_pin random [timeout]
- generate a random AP PIN and enable it
- if the optional timeout parameter is given, the AP PIN will be enabled
for the specified number of seconds
hostapd_cli wps_ap_pin get
- fetch the current AP PIN
hostapd_cli wps_ap_pin set <PIN> [timeout]
- set the AP PIN and enable it
- if the optional timeout parameter is given, the AP PIN will be enabled
for the specified number of seconds
hostapd_cli get_config
- display the current configuration
hostapd_cli wps_config <new SSID> <auth> <encr> <new key>
examples:
hostapd_cli wps_config testing WPA2PSK CCMP 12345678
hostapd_cli wps_config "no security" OPEN NONE ""
<auth> must be one of the following: OPEN WPAPSK WPA2PSK
<encr> must be one of the following: NONE WEP TKIP CCMP
Credential generation and configuration changes
-----------------------------------------------
By default, hostapd generates credentials for Enrollees and processing
AP configuration updates internally. However, it is possible to
control these operations from external programs, if desired.
The internal credential generation can be disabled with
skip_cred_build=1 option in the configuration. extra_cred option will
then need to be used to provide pre-configured Credential attribute(s)
for hostapd to use. The exact data from this binary file will be sent,
i.e., it will have to include valid WPS attributes. extra_cred can
also be used to add additional networks if the Registrar is used to
configure credentials for multiple networks.
Processing of received configuration updates can be disabled with
wps_cred_processing=1 option. When this is used, an external program
is responsible for creating hostapd configuration files and processing
configuration updates based on messages received from hostapd over
control interface. This will also include the initial configuration on
first successful registration if the AP is initially set in
unconfigured state.
Following control interface messages are sent out for external programs:
WPS-REG-SUCCESS <Enrollee MAC address <UUID-E>
For example:
<2>WPS-REG-SUCCESS 02:66:a0:ee:17:27 2b7093f1-d6fb-5108-adbb-bea66bb87333
This can be used to trigger change from unconfigured to configured
state (random configuration based on the first successful WPS
registration). In addition, this can be used to update AP UI about the
status of WPS registration progress.
WPS-NEW-AP-SETTINGS <hexdump of AP Setup attributes>
For example:
<2>WPS-NEW-AP-SETTINGS 10260001011045000c6a6b6d2d7770732d74657374100300020020100f00020008102700403065346230343536633236366665306433396164313535346131663462663731323433376163666462376633393965353466316631623032306164343438623510200006024231cede15101e000844
This can be used to update the externally stored AP configuration and
then update hostapd configuration (followed by restarting of hostapd).
WPS with NFC
------------
WPS can be used with NFC-based configuration method. An NFC tag
containing a password token from the Enrollee can be used to
authenticate the connection instead of the PIN. In addition, an NFC tag
with a configuration token can be used to transfer AP settings without
going through the WPS protocol.
When the AP acts as an Enrollee, a local NFC tag with a password token
can be used by touching the NFC interface of an external Registrar. The
wps_nfc_token command is used to manage use of the NFC password token
from the AP. "wps_nfc_token enable" enables the use of the AP's NFC
password token (in place of AP PIN) and "wps_nfc_token disable" disables
the NFC password token.
The NFC password token that is either pre-configured in the
configuration file (wps_nfc_dev_pw_id, wps_nfc_dh_pubkey,
wps_nfc_dh_privkey, wps_nfc_dev_pw) or generated dynamically with
"wps_nfc_token <WPS|NDEF>" command. The nfc_pw_token tool from
wpa_supplicant can be used to generate NFC password tokens during
manufacturing (each AP needs to have its own random keys).
The "wps_nfc_config_token <WPS/NDEF>" command can be used to build an
NFC configuration token. The output value from this command is a hexdump
of the current AP configuration (WPS parameter requests this to include
only the WPS attributes; NDEF parameter requests additional NDEF
encapsulation to be included). This data needs to be written to an NFC
tag with an external program. Once written, the NFC configuration token
can be used to touch an NFC interface on a station to provision the
credentials needed to access the network.
When the NFC device on the AP reads an NFC tag with a MIME media type
"application/vnd.wfa.wsc", the NDEF message payload (with or without
NDEF encapsulation) can be delivered to hostapd using the
following hostapd_cli command:
wps_nfc_tag_read <hexdump of payload>
If the NFC tag contains a password token, the token is added to the
internal Registrar. This allows station Enrollee from which the password
token was received to run through WPS protocol to provision the
credential.
"nfc_get_handover_sel <NDEF> <WPS>" command can be used to build the
contents of a Handover Select Message for connection handover when this
does not depend on the contents of the Handover Request Message. The
first argument selects the format of the output data and the second
argument selects which type of connection handover is requested (WPS =
Wi-Fi handover as specified in WSC 2.0).
"nfc_report_handover <INIT/RESP> WPS <carrier from handover request>
<carrier from handover select>" is used to report completed NFC
connection handover. The first parameter indicates whether the local
device initiated or responded to the connection handover and the carrier
records are the selected carrier from the handover request and select
messages as a hexdump.

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# Example hostapd build time configuration
#
# This file lists the configuration options that are used when building the
# hostapd binary. All lines starting with # are ignored. Configuration option
# lines must be commented out complete, if they are not to be included, i.e.,
# just setting VARIABLE=n is not disabling that variable.
#
# This file is included in Makefile, so variables like CFLAGS and LIBS can also
# be modified from here. In most cass, these lines should use += in order not
# to override previous values of the variables.
# Driver interface for Host AP driver
#CONFIG_DRIVER_HOSTAP=y
# Driver interface for wired authenticator
#CONFIG_DRIVER_WIRED=y
# Driver interface for drivers using the nl80211 kernel interface
#CONFIG_DRIVER_NL80211=y
# driver_nl80211.c requires a rather new libnl (version 1.1) which may not be
# shipped with your distribution yet. If that is the case, you need to build
# newer libnl version and point the hostapd build to use it.
#LIBNL=/usr/src/libnl
#CFLAGS += -I$(LIBNL)/include
#LIBS += -L$(LIBNL)/lib
CONFIG_LIBNL20=y
# QCA vendor extensions to nl80211
CONFIG_DRIVER_NL80211_QCA=y
# Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
#CONFIG_DRIVER_BSD=y
#CFLAGS += -I/usr/local/include
#LIBS += -L/usr/local/lib
#LIBS_p += -L/usr/local/lib
#LIBS_c += -L/usr/local/lib
# Driver interface for no driver (e.g., RADIUS server only)
#CONFIG_DRIVER_NONE=y
# IEEE 802.11F/IAPP
#CONFIG_IAPP=y
# WPA2/IEEE 802.11i RSN pre-authentication
#CONFIG_RSN_PREAUTH=y
# IEEE 802.11w (management frame protection)
# This version is an experimental implementation based on IEEE 802.11w/D1.0
# draft and is subject to change since the standard has not yet been finalized.
# Driver support is also needed for IEEE 802.11w.
CONFIG_IEEE80211W=y
# Support Operating Channel Validation
#CONFIG_OCV=y
# Integrated EAP server
#CONFIG_EAP=y
# EAP-MD5 for the integrated EAP server
#CONFIG_EAP_MD5=y
# EAP-TLS for the integrated EAP server
#CONFIG_EAP_TLS=y
# EAP-MSCHAPv2 for the integrated EAP server
#CONFIG_EAP_MSCHAPV2=y
# EAP-PEAP for the integrated EAP server
#CONFIG_EAP_PEAP=y
# EAP-GTC for the integrated EAP server
#CONFIG_EAP_GTC=y
# EAP-TTLS for the integrated EAP server
#CONFIG_EAP_TTLS=y
# EAP-SIM for the integrated EAP server
#CONFIG_EAP_SIM=y
# EAP-AKA for the integrated EAP server
#CONFIG_EAP_AKA=y
# EAP-AKA' for the integrated EAP server
# This requires CONFIG_EAP_AKA to be enabled, too.
#CONFIG_EAP_AKA_PRIME=y
# EAP-PAX for the integrated EAP server
#CONFIG_EAP_PAX=y
# EAP-PSK for the integrated EAP server (this is _not_ needed for WPA-PSK)
#CONFIG_EAP_PSK=y
# EAP-SAKE for the integrated EAP server
#CONFIG_EAP_SAKE=y
# EAP-GPSK for the integrated EAP server
#CONFIG_EAP_GPSK=y
# Include support for optional SHA256 cipher suite in EAP-GPSK
#CONFIG_EAP_GPSK_SHA256=y
# EAP-FAST for the integrated EAP server
# Note: Default OpenSSL package does not include support for all the
# functionality needed for EAP-FAST. If EAP-FAST is enabled with OpenSSL,
# the OpenSSL library must be patched (openssl-0.9.9-session-ticket.patch)
# to add the needed functions.
#CONFIG_EAP_FAST=y
# Wi-Fi Protected Setup (WPS)
CONFIG_WPS=y
# Enable UPnP support for external WPS Registrars
#CONFIG_WPS_UPNP=y
# EAP-IKEv2
#CONFIG_EAP_IKEV2=y
# Trusted Network Connect (EAP-TNC)
#CONFIG_EAP_TNC=y
# PKCS#12 (PFX) support (used to read private key and certificate file from
# a file that usually has extension .p12 or .pfx)
CONFIG_PKCS12=y
# RADIUS authentication server. This provides access to the integrated EAP
# server from external hosts using RADIUS.
#CONFIG_RADIUS_SERVER=y
# Build IPv6 support for RADIUS operations
CONFIG_IPV6=y
# IEEE Std 802.11r-2008 (Fast BSS Transition)
#CONFIG_IEEE80211R=y
# Use the hostapd's IEEE 802.11 authentication (ACL), but without
# the IEEE 802.11 Management capability (e.g., FreeBSD/net80211)
#CONFIG_DRIVER_RADIUS_ACL=y
# IEEE 802.11n (High Throughput) support
CONFIG_IEEE80211N=y
# Remove debugging code that is printing out debug messages to stdout.
# This can be used to reduce the size of the hostapd considerably if debugging
# code is not needed.
#CONFIG_NO_STDOUT_DEBUG=y
# Add support for writing debug log to Android logcat instead of standard output
CONFIG_ANDROID_LOG=y
# Remove support for RADIUS accounting
#CONFIG_NO_ACCOUNTING=y
# Remove support for RADIUS
CONFIG_NO_RADIUS=y
# Remove support for VLANs
#CONFIG_NO_VLAN=y
# Remove support for dumping internal state through control interface commands
# This can be used to reduce binary size at the cost of disabling a debugging
# option.
#CONFIG_NO_DUMP_STATE=y
# Select wrapper for operatins system and C library specific functions
# unix = UNIX/POSIX like systems (default)
# win32 = Windows systems
# none = Empty template
CONFIG_OS=unix
# Enable tracing code for developer debugging
# This tracks use of memory allocations and other registrations and reports
# incorrect use with a backtrace of call (or allocation) location.
#CONFIG_WPA_TRACE=y
# For BSD, comment out these.
#LIBS += -lexecinfo
#LIBS_p += -lexecinfo
#LIBS_c += -lexecinfo
# Use libbfd to get more details for developer debugging
# This enables use of libbfd to get more detailed symbols for the backtraces
# generated by CONFIG_WPA_TRACE=y.
#CONFIG_WPA_TRACE_BFD=y
# For BSD, comment out these.
#LIBS += -lbfd -liberty -lz
#LIBS_p += -lbfd -liberty -lz
#LIBS_c += -lbfd -liberty -lz
# Should we use poll instead of select? Select is used by default.
#CONFIG_ELOOP_POLL=y
# Should we use epoll instead of select? Select is used by default.
#CONFIG_ELOOP_EPOLL=y
# Enable AP
CONFIG_AP=y
# Enable Fast Session Transfer (FST)
#CONFIG_FST=y
# Multiband Operation support
# These extentions facilitate efficient use of multiple frequency bands
# available to the AP and the devices that may associate with it.
#CONFIG_MBO=y
# Include internal line edit mode in hostapd_cli.
CONFIG_WPA_CLI_EDIT=y
# Opportunistic Wireless Encryption (OWE)
# Experimental implementation of draft-harkins-owe-07.txt
#CONFIG_OWE=y
# Wpa_supplicant's random pool is not necessary on Android. Randomness is
# already provided by the entropymixer service which ensures sufficient
# entropy is maintained across reboots. Commit b410eb1913 'Initialize
# /dev/urandom earlier in boot' seeds /dev/urandom with that entropy before
# either wpa_supplicant or hostapd are run.
CONFIG_NO_RANDOM_POOL=y

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/*
* hostapd / Configuration file parser
* Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef CONFIG_FILE_H
#define CONFIG_FILE_H
struct hostapd_config * hostapd_config_read(const char *fname);
int hostapd_set_iface(struct hostapd_config *conf,
struct hostapd_bss_config *bss, const char *field,
char *value);
int hostapd_acl_comp(const void *a, const void *b);
int hostapd_add_acl_maclist(struct mac_acl_entry **acl, int *num,
int vlan_id, const u8 *addr);
void hostapd_remove_acl_mac(struct mac_acl_entry **acl, int *num,
const u8 *addr);
#endif /* CONFIG_FILE_H */

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/*
* hostapd / UNIX domain socket -based control interface
* Copyright (c) 2004, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef CTRL_IFACE_H
#define CTRL_IFACE_H
#ifndef CONFIG_NO_CTRL_IFACE
int hostapd_ctrl_iface_init(struct hostapd_data *hapd);
void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd);
int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface);
void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interface);
#else /* CONFIG_NO_CTRL_IFACE */
static inline int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
{
return 0;
}
static inline void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
{
}
static inline int
hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
{
return 0;
}
static inline void
hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interface)
{
}
#endif /* CONFIG_NO_CTRL_IFACE */
#endif /* CTRL_IFACE_H */

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# Example hostapd build time configuration
#
# This file lists the configuration options that are used when building the
# hostapd binary. All lines starting with # are ignored. Configuration option
# lines must be commented out complete, if they are not to be included, i.e.,
# just setting VARIABLE=n is not disabling that variable.
#
# This file is included in Makefile, so variables like CFLAGS and LIBS can also
# be modified from here. In most cass, these lines should use += in order not
# to override previous values of the variables.
# Driver interface for Host AP driver
CONFIG_DRIVER_HOSTAP=y
# Driver interface for wired authenticator
#CONFIG_DRIVER_WIRED=y
# Driver interface for drivers using the nl80211 kernel interface
CONFIG_DRIVER_NL80211=y
# QCA vendor extensions to nl80211
#CONFIG_DRIVER_NL80211_QCA=y
# driver_nl80211.c requires libnl. If you are compiling it yourself
# you may need to point hostapd to your version of libnl.
#
#CFLAGS += -I$<path to libnl include files>
#LIBS += -L$<path to libnl library files>
# Use libnl v2.0 (or 3.0) libraries.
#CONFIG_LIBNL20=y
# Use libnl 3.2 libraries (if this is selected, CONFIG_LIBNL20 is ignored)
CONFIG_LIBNL32=y
# Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
#CONFIG_DRIVER_BSD=y
#CFLAGS += -I/usr/local/include
#LIBS += -L/usr/local/lib
#LIBS_p += -L/usr/local/lib
#LIBS_c += -L/usr/local/lib
# Driver interface for no driver (e.g., RADIUS server only)
#CONFIG_DRIVER_NONE=y
# IEEE 802.11F/IAPP
CONFIG_IAPP=y
# WPA2/IEEE 802.11i RSN pre-authentication
CONFIG_RSN_PREAUTH=y
# IEEE 802.11w (management frame protection)
CONFIG_IEEE80211W=y
# Support Operating Channel Validation
#CONFIG_OCV=y
# Integrated EAP server
CONFIG_EAP=y
# EAP Re-authentication Protocol (ERP) in integrated EAP server
CONFIG_ERP=y
# EAP-MD5 for the integrated EAP server
CONFIG_EAP_MD5=y
# EAP-TLS for the integrated EAP server
CONFIG_EAP_TLS=y
# EAP-MSCHAPv2 for the integrated EAP server
CONFIG_EAP_MSCHAPV2=y
# EAP-PEAP for the integrated EAP server
CONFIG_EAP_PEAP=y
# EAP-GTC for the integrated EAP server
CONFIG_EAP_GTC=y
# EAP-TTLS for the integrated EAP server
CONFIG_EAP_TTLS=y
# EAP-SIM for the integrated EAP server
#CONFIG_EAP_SIM=y
# EAP-AKA for the integrated EAP server
#CONFIG_EAP_AKA=y
# EAP-AKA' for the integrated EAP server
# This requires CONFIG_EAP_AKA to be enabled, too.
#CONFIG_EAP_AKA_PRIME=y
# EAP-PAX for the integrated EAP server
#CONFIG_EAP_PAX=y
# EAP-PSK for the integrated EAP server (this is _not_ needed for WPA-PSK)
#CONFIG_EAP_PSK=y
# EAP-pwd for the integrated EAP server (secure authentication with a password)
#CONFIG_EAP_PWD=y
# EAP-SAKE for the integrated EAP server
#CONFIG_EAP_SAKE=y
# EAP-GPSK for the integrated EAP server
#CONFIG_EAP_GPSK=y
# Include support for optional SHA256 cipher suite in EAP-GPSK
#CONFIG_EAP_GPSK_SHA256=y
# EAP-FAST for the integrated EAP server
#CONFIG_EAP_FAST=y
# EAP-TEAP for the integrated EAP server
# Note: The current EAP-TEAP implementation is experimental and should not be
# enabled for production use. The IETF RFC 7170 that defines EAP-TEAP has number
# of conflicting statements and missing details and the implementation has
# vendor specific workarounds for those and as such, may not interoperate with
# any other implementation. This should not be used for anything else than
# experimentation and interoperability testing until those issues has been
# resolved.
#CONFIG_EAP_TEAP=y
# Wi-Fi Protected Setup (WPS)
#CONFIG_WPS=y
# Enable UPnP support for external WPS Registrars
#CONFIG_WPS_UPNP=y
# Enable WPS support with NFC config method
#CONFIG_WPS_NFC=y
# EAP-IKEv2
#CONFIG_EAP_IKEV2=y
# Trusted Network Connect (EAP-TNC)
#CONFIG_EAP_TNC=y
# EAP-EKE for the integrated EAP server
#CONFIG_EAP_EKE=y
# PKCS#12 (PFX) support (used to read private key and certificate file from
# a file that usually has extension .p12 or .pfx)
CONFIG_PKCS12=y
# RADIUS authentication server. This provides access to the integrated EAP
# server from external hosts using RADIUS.
#CONFIG_RADIUS_SERVER=y
# Build IPv6 support for RADIUS operations
CONFIG_IPV6=y
# IEEE Std 802.11r-2008 (Fast BSS Transition)
#CONFIG_IEEE80211R=y
# Use the hostapd's IEEE 802.11 authentication (ACL), but without
# the IEEE 802.11 Management capability (e.g., FreeBSD/net80211)
#CONFIG_DRIVER_RADIUS_ACL=y
# IEEE 802.11n (High Throughput) support
#CONFIG_IEEE80211N=y
# Wireless Network Management (IEEE Std 802.11v-2011)
# Note: This is experimental and not complete implementation.
#CONFIG_WNM=y
# IEEE 802.11ac (Very High Throughput) support
#CONFIG_IEEE80211AC=y
# IEEE 802.11ax HE support
# Note: This is experimental and work in progress. The definitions are still
# subject to change and this should not be expected to interoperate with the
# final IEEE 802.11ax version.
#CONFIG_IEEE80211AX=y
# Remove debugging code that is printing out debug messages to stdout.
# This can be used to reduce the size of the hostapd considerably if debugging
# code is not needed.
#CONFIG_NO_STDOUT_DEBUG=y
# Add support for writing debug log to a file: -f /tmp/hostapd.log
# Disabled by default.
#CONFIG_DEBUG_FILE=y
# Send debug messages to syslog instead of stdout
#CONFIG_DEBUG_SYSLOG=y
# Add support for sending all debug messages (regardless of debug verbosity)
# to the Linux kernel tracing facility. This helps debug the entire stack by
# making it easy to record everything happening from the driver up into the
# same file, e.g., using trace-cmd.
#CONFIG_DEBUG_LINUX_TRACING=y
# Remove support for RADIUS accounting
#CONFIG_NO_ACCOUNTING=y
# Remove support for RADIUS
#CONFIG_NO_RADIUS=y
# Remove support for VLANs
#CONFIG_NO_VLAN=y
# Enable support for fully dynamic VLANs. This enables hostapd to
# automatically create bridge and VLAN interfaces if necessary.
#CONFIG_FULL_DYNAMIC_VLAN=y
# Use netlink-based kernel API for VLAN operations instead of ioctl()
# Note: This requires libnl 3.1 or newer.
#CONFIG_VLAN_NETLINK=y
# Remove support for dumping internal state through control interface commands
# This can be used to reduce binary size at the cost of disabling a debugging
# option.
#CONFIG_NO_DUMP_STATE=y
# Enable tracing code for developer debugging
# This tracks use of memory allocations and other registrations and reports
# incorrect use with a backtrace of call (or allocation) location.
#CONFIG_WPA_TRACE=y
# For BSD, comment out these.
#LIBS += -lexecinfo
#LIBS_p += -lexecinfo
#LIBS_c += -lexecinfo
# Use libbfd to get more details for developer debugging
# This enables use of libbfd to get more detailed symbols for the backtraces
# generated by CONFIG_WPA_TRACE=y.
#CONFIG_WPA_TRACE_BFD=y
# For BSD, comment out these.
#LIBS += -lbfd -liberty -lz
#LIBS_p += -lbfd -liberty -lz
#LIBS_c += -lbfd -liberty -lz
# hostapd depends on strong random number generation being available from the
# operating system. os_get_random() function is used to fetch random data when
# needed, e.g., for key generation. On Linux and BSD systems, this works by
# reading /dev/urandom. It should be noted that the OS entropy pool needs to be
# properly initialized before hostapd is started. This is important especially
# on embedded devices that do not have a hardware random number generator and
# may by default start up with minimal entropy available for random number
# generation.
#
# As a safety net, hostapd is by default trying to internally collect
# additional entropy for generating random data to mix in with the data
# fetched from the OS. This by itself is not considered to be very strong, but
# it may help in cases where the system pool is not initialized properly.
# However, it is very strongly recommended that the system pool is initialized
# with enough entropy either by using hardware assisted random number
# generator or by storing state over device reboots.
#
# hostapd can be configured to maintain its own entropy store over restarts to
# enhance random number generation. This is not perfect, but it is much more
# secure than using the same sequence of random numbers after every reboot.
# This can be enabled with -e<entropy file> command line option. The specified
# file needs to be readable and writable by hostapd.
#
# If the os_get_random() is known to provide strong random data (e.g., on
# Linux/BSD, the board in question is known to have reliable source of random
# data from /dev/urandom), the internal hostapd random pool can be disabled.
# This will save some in binary size and CPU use. However, this should only be
# considered for builds that are known to be used on devices that meet the
# requirements described above.
#CONFIG_NO_RANDOM_POOL=y
# Should we attempt to use the getrandom(2) call that provides more reliable
# yet secure randomness source than /dev/random on Linux 3.17 and newer.
# Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
#CONFIG_GETRANDOM=y
# Should we use poll instead of select? Select is used by default.
#CONFIG_ELOOP_POLL=y
# Should we use epoll instead of select? Select is used by default.
#CONFIG_ELOOP_EPOLL=y
# Should we use kqueue instead of select? Select is used by default.
#CONFIG_ELOOP_KQUEUE=y
# Select TLS implementation
# openssl = OpenSSL (default)
# gnutls = GnuTLS
# internal = Internal TLSv1 implementation (experimental)
# linux = Linux kernel AF_ALG and internal TLSv1 implementation (experimental)
# none = Empty template
#CONFIG_TLS=openssl
# TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.1)
# can be enabled to get a stronger construction of messages when block ciphers
# are used.
#CONFIG_TLSV11=y
# TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.2)
# can be enabled to enable use of stronger crypto algorithms.
#CONFIG_TLSV12=y
# Select which ciphers to use by default with OpenSSL if the user does not
# specify them.
#CONFIG_TLS_DEFAULT_CIPHERS="DEFAULT:!EXP:!LOW"
# If CONFIG_TLS=internal is used, additional library and include paths are
# needed for LibTomMath. Alternatively, an integrated, minimal version of
# LibTomMath can be used. See beginning of libtommath.c for details on benefits
# and drawbacks of this option.
#CONFIG_INTERNAL_LIBTOMMATH=y
#ifndef CONFIG_INTERNAL_LIBTOMMATH
#LTM_PATH=/usr/src/libtommath-0.39
#CFLAGS += -I$(LTM_PATH)
#LIBS += -L$(LTM_PATH)
#LIBS_p += -L$(LTM_PATH)
#endif
# At the cost of about 4 kB of additional binary size, the internal LibTomMath
# can be configured to include faster routines for exptmod, sqr, and div to
# speed up DH and RSA calculation considerably
#CONFIG_INTERNAL_LIBTOMMATH_FAST=y
# Interworking (IEEE 802.11u)
# This can be used to enable functionality to improve interworking with
# external networks.
#CONFIG_INTERWORKING=y
# Hotspot 2.0
#CONFIG_HS20=y
# Enable SQLite database support in hlr_auc_gw, EAP-SIM DB, and eap_user_file
#CONFIG_SQLITE=y
# Enable Fast Session Transfer (FST)
#CONFIG_FST=y
# Enable CLI commands for FST testing
#CONFIG_FST_TEST=y
# Testing options
# This can be used to enable some testing options (see also the example
# configuration file) that are really useful only for testing clients that
# connect to this hostapd. These options allow, for example, to drop a
# certain percentage of probe requests or auth/(re)assoc frames.
#
#CONFIG_TESTING_OPTIONS=y
# Automatic Channel Selection
# This will allow hostapd to pick the channel automatically when channel is set
# to "acs_survey" or "0". Eventually, other ACS algorithms can be added in
# similar way.
#
# Automatic selection is currently only done through initialization, later on
# we hope to do background checks to keep us moving to more ideal channels as
# time goes by. ACS is currently only supported through the nl80211 driver and
# your driver must have survey dump capability that is filled by the driver
# during scanning.
#
# You can customize the ACS survey algorithm with the hostapd.conf variable
# acs_num_scans.
#
# Supported ACS drivers:
# * ath9k
# * ath5k
# * ath10k
#
# For more details refer to:
# http://wireless.kernel.org/en/users/Documentation/acs
#
#CONFIG_ACS=y
# Multiband Operation support
# These extentions facilitate efficient use of multiple frequency bands
# available to the AP and the devices that may associate with it.
#CONFIG_MBO=y
# Client Taxonomy
# Has the AP retain the Probe Request and (Re)Association Request frames from
# a client, from which a signature can be produced which can identify the model
# of client device like "Nexus 6P" or "iPhone 5s".
#CONFIG_TAXONOMY=y
# Fast Initial Link Setup (FILS) (IEEE 802.11ai)
#CONFIG_FILS=y
# FILS shared key authentication with PFS
#CONFIG_FILS_SK_PFS=y
# Include internal line edit mode in hostapd_cli. This can be used to provide
# limited command line editing and history support.
#CONFIG_WPA_CLI_EDIT=y
# Opportunistic Wireless Encryption (OWE)
# Experimental implementation of draft-harkins-owe-07.txt
#CONFIG_OWE=y
# Airtime policy support
#CONFIG_AIRTIME_POLICY=y
# Override default value for the wpa_disable_eapol_key_retries configuration
# parameter. See that parameter in hostapd.conf for more details.
#CFLAGS += -DDEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES=1

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/*
* EAP method registration
* Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "common.h"
#include "eap_server/eap_methods.h"
#include "eap_register.h"
/**
* eap_server_register_methods - Register statically linked EAP server methods
* Returns: 0 on success, -1 or -2 on failure
*
* This function is called at program initialization to register all EAP
* methods that were linked in statically.
*/
int eap_server_register_methods(void)
{
int ret = 0;
#ifdef EAP_SERVER_IDENTITY
if (ret == 0)
ret = eap_server_identity_register();
#endif /* EAP_SERVER_IDENTITY */
#ifdef EAP_SERVER_MD5
if (ret == 0)
ret = eap_server_md5_register();
#endif /* EAP_SERVER_MD5 */
#ifdef EAP_SERVER_TLS
if (ret == 0)
ret = eap_server_tls_register();
#endif /* EAP_SERVER_TLS */
#ifdef EAP_SERVER_UNAUTH_TLS
if (ret == 0)
ret = eap_server_unauth_tls_register();
#endif /* EAP_SERVER_TLS */
#ifdef EAP_SERVER_TLS
#ifdef CONFIG_HS20
if (ret == 0)
ret = eap_server_wfa_unauth_tls_register();
#endif /* CONFIG_HS20 */
#endif /* EAP_SERVER_TLS */
#ifdef EAP_SERVER_MSCHAPV2
if (ret == 0)
ret = eap_server_mschapv2_register();
#endif /* EAP_SERVER_MSCHAPV2 */
#ifdef EAP_SERVER_PEAP
if (ret == 0)
ret = eap_server_peap_register();
#endif /* EAP_SERVER_PEAP */
#ifdef EAP_SERVER_TLV
if (ret == 0)
ret = eap_server_tlv_register();
#endif /* EAP_SERVER_TLV */
#ifdef EAP_SERVER_GTC
if (ret == 0)
ret = eap_server_gtc_register();
#endif /* EAP_SERVER_GTC */
#ifdef EAP_SERVER_TTLS
if (ret == 0)
ret = eap_server_ttls_register();
#endif /* EAP_SERVER_TTLS */
#ifdef EAP_SERVER_SIM
if (ret == 0)
ret = eap_server_sim_register();
#endif /* EAP_SERVER_SIM */
#ifdef EAP_SERVER_AKA
if (ret == 0)
ret = eap_server_aka_register();
#endif /* EAP_SERVER_AKA */
#ifdef EAP_SERVER_AKA_PRIME
if (ret == 0)
ret = eap_server_aka_prime_register();
#endif /* EAP_SERVER_AKA_PRIME */
#ifdef EAP_SERVER_PAX
if (ret == 0)
ret = eap_server_pax_register();
#endif /* EAP_SERVER_PAX */
#ifdef EAP_SERVER_PSK
if (ret == 0)
ret = eap_server_psk_register();
#endif /* EAP_SERVER_PSK */
#ifdef EAP_SERVER_SAKE
if (ret == 0)
ret = eap_server_sake_register();
#endif /* EAP_SERVER_SAKE */
#ifdef EAP_SERVER_GPSK
if (ret == 0)
ret = eap_server_gpsk_register();
#endif /* EAP_SERVER_GPSK */
#ifdef EAP_SERVER_VENDOR_TEST
if (ret == 0)
ret = eap_server_vendor_test_register();
#endif /* EAP_SERVER_VENDOR_TEST */
#ifdef EAP_SERVER_FAST
if (ret == 0)
ret = eap_server_fast_register();
#endif /* EAP_SERVER_FAST */
#ifdef EAP_SERVER_TEAP
if (ret == 0)
ret = eap_server_teap_register();
#endif /* EAP_SERVER_TEAP */
#ifdef EAP_SERVER_WSC
if (ret == 0)
ret = eap_server_wsc_register();
#endif /* EAP_SERVER_WSC */
#ifdef EAP_SERVER_IKEV2
if (ret == 0)
ret = eap_server_ikev2_register();
#endif /* EAP_SERVER_IKEV2 */
#ifdef EAP_SERVER_TNC
if (ret == 0)
ret = eap_server_tnc_register();
#endif /* EAP_SERVER_TNC */
#ifdef EAP_SERVER_PWD
if (ret == 0)
ret = eap_server_pwd_register();
#endif /* EAP_SERVER_PWD */
#ifdef EAP_SERVER_EKE
if (ret == 0)
ret = eap_server_eke_register();
#endif /* EAP_SERVER_EKE */
return ret;
}

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/*
* EAP method registration
* Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef EAP_REGISTER_H
#define EAP_REGISTER_H
int eap_server_register_methods(void);
#endif /* EAP_REGISTER_H */

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Interoperability testing of hostapd's IEEE 802.1X/EAPOL authentication
Test matrix
+) tested successfully
F) failed
-) peer did not support
?) not tested
XSupplicant --------------------------------.
Intel PROSet ---------------------------. |
Windows XP -------------------------. | |
Mac OS X 10.4 ------------------. | | |
Nokia S60 ------------------. | | | |
wpa_supplicant ---------. | | | | |
| | | | | |
EAP-MD5 + - ? ? -
EAP-GTC + - ? - -
EAP-MSCHAPv2 + - ? - -
EAP-TLS + + +1 + +
EAP-PEAPv0/MSCHAPv2 + + + + + +
EAP-PEAPv0/GTC + + + - +
EAP-PEAPv0/MD5 + - + - -
EAP-PEAPv0/TLS + F - + +
EAP-PEAPv0/SIM + + - - -
EAP-PEAPv0/AKA + + - - -
EAP-PEAPv0/PSK + - - - -
EAP-PEAPv0/PAX + - - - -
EAP-PEAPv0/SAKE + - - - -
EAP-PEAPv0/GPSK + - - - -
EAP-PEAPv1/MSCHAPv2 + + + - + +
EAP-PEAPv1/GTC + + + - +
EAP-PEAPv1/MD5 + - + - -
EAP-PEAPv1/TLS + F - - +
EAP-PEAPv1/SIM + + - - -
EAP-PEAPv1/AKA + + - - -
EAP-PEAPv1/PSK + - - - -
EAP-PEAPv1/PAX + - - - -
EAP-PEAPv1/SAKE + - - - -
EAP-PEAPv1/GPSK + - - - -
EAP-TTLS/CHAP + - + - + +
EAP-TTLS/MSCHAP + - + - + +
EAP-TTLS/MSCHAPv2 + + + - + +
EAP-TTLS/PAP + - + - + +
EAP-TTLS/EAP-MD5 + - - - - +
EAP-TTLS/EAP-GTC + + - - -
EAP-TTLS/EAP-MSCHAPv2 + + - - -
EAP-TTLS/EAP-TLS + F - - -
EAP-TTLS/EAP-SIM + + - - -
EAP-TTLS/EAP-AKA + + - - -
EAP-TTLS + TNC + - - - -
EAP-SIM + + - - +
EAP-AKA + + - - -
EAP-PAX + - - - -
EAP-SAKE + - - - -
EAP-GPSK + - - - -
EAP-FAST/MSCHAPv2(prov) + - F - F
EAP-FAST/GTC(auth) + - + - +
EAP-FAST/MSCHAPv2(aprov)+ - F - F
EAP-FAST/GTC(aprov) + - F - F
EAP-FAST/MD5(aprov) + - - - -
EAP-FAST/TLS(aprov) + - - - -
EAP-FAST/SIM(aprov) + - - - -
EAP-FAST/AKA(aprov) + - - - -
EAP-FAST/MSCHAPv2(auth) + - + - +
EAP-FAST/MD5(auth) + - + - -
EAP-FAST/TLS(auth) + - - - -
EAP-FAST/SIM(auth) + - - - -
EAP-FAST/AKA(auth) + - - - -
EAP-FAST + TNC + - - - -
EAP-IKEv2 + - - - -
EAP-TNC + - - - -
1) EAP-TLS itself worked, but peer certificate validation failed at
least when using the internal TLS server (peer included incorrect
certificates in the chain?)

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/*
* hostapd module tests
* Copyright (c) 2014, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/module_tests.h"
int hapd_module_tests(void)
{
wpa_printf(MSG_INFO, "hostapd module tests");
return 0;
}

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# Parameters for Milenage (Example algorithms for AKA).
# The example Ki, OPc, and AMF values here are from 3GPP TS 35.208 v6.0.0
# 4.3.20 Test Set 20. SQN is the last used SQN value.
# These values can be used for both UMTS (EAP-AKA) and GSM (EAP-SIM)
# authentication. In case of GSM/EAP-SIM, AMF and SQN values are not used, but
# dummy values will need to be included in this file.
# IMSI Ki OPc AMF SQN [RES_len]
232010000000000 90dca4eda45b53cf0f12d7c9c3bc6a89 cb9cccc4b9258e6dca4760379fb82581 61df 000000000000
# Example using truncated 32-bit RES instead of 64-bit default
232010000000001 90dca4eda45b53cf0f12d7c9c3bc6a89 cb9cccc4b9258e6dca4760379fb82581 61df 000000000000 4
# These values are from Test Set 19 which has the AMF separation bit set to 1
# and as such, is suitable for EAP-AKA' test.
555444333222111 5122250214c33e723a5dd523fc145fc0 981d464c7c52eb6e5036234984ad0bcf c3ab 16f3b3f70fc1

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HLR/AuC testing gateway for hostapd EAP-SIM/AKA database/authenticator
hlr_auc_gw is an example implementation of the EAP-SIM/AKA/AKA'
database/authentication gateway interface to HLR/AuC. It could be
replaced with an implementation of SS7 gateway to GSM/UMTS
authentication center (HLR/AuC). hostapd will send SIM/AKA
authentication queries over a UNIX domain socket to and external
program, e.g., hlr_auc_gw.
hlr_auc_gw can be configured with GSM and UMTS authentication data with
text files: GSM triplet file (see hostapd.sim_db) and Milenage file (see
hlr_auc_gw.milenage_db). Milenage parameters can be used to generate
dynamic authentication data for EAP-SIM, EAP-AKA, and EAP-AKA' while the
GSM triplet data is used for a more static configuration (e.g., triplets
extracted from a SIM card).
Alternatively, hlr_auc_gw can be built with support for an SQLite
database for more dynamic operations. This is enabled by adding
"CONFIG_SQLITE=y" into hostapd/.config before building hlr_auc_gw ("make
clean; make hlr_auc_gw" in this directory).
hostapd is configured to use hlr_auc_gw with the eap_sim_db parameter in
hostapd.conf (e.g., "eap_sim_db=unix:/tmp/hlr_auc_gw.sock"). hlr_auc_gw
is configured with command line parameters:
hlr_auc_gw [-hu] [-s<socket path>] [-g<triplet file>] [-m<milenage file>] \
[-D<DB file>] [-i<IND len in bits>]
options:
-h = show this usage help
-u = update SQN in Milenage file on exit
-s<socket path> = path for UNIX domain socket
(default: /tmp/hlr_auc_gw.sock)
-g<triplet file> = path for GSM authentication triplets
-m<milenage file> = path for Milenage keys
-D<DB file> = path to SQLite database
-i<IND len in bits> = IND length for SQN (default: 5)
The SQLite database can be initialized with sqlite, e.g., by running
following commands in "sqlite3 /path/to/hlr_auc_gw.db":
CREATE TABLE milenage(
imsi INTEGER PRIMARY KEY NOT NULL,
ki CHAR(32) NOT NULL,
opc CHAR(32) NOT NULL,
amf CHAR(4) NOT NULL,
sqn CHAR(12) NOT NULL
);
INSERT INTO milenage(imsi,ki,opc,amf,sqn) VALUES(
232010000000000,
'90dca4eda45b53cf0f12d7c9c3bc6a89',
'cb9cccc4b9258e6dca4760379fb82581',
'61df',
'000000000000'
);
INSERT INTO milenage(imsi,ki,opc,amf,sqn) VALUES(
555444333222111,
'5122250214c33e723a5dd523fc145fc0',
'981d464c7c52eb6e5036234984ad0bcf',
'c3ab',
'16f3b3f70fc1'
);
hostapd (EAP server) can also be configured to store the EAP-SIM/AKA
pseudonyms and reauth information into a SQLite database. This is
configured with the db parameter within the eap_sim_db configuration
option.
"hlr_auc_gw -D /path/to/hlr_auc_gw.db" can then be used to fetch
Milenage parameters based on IMSI from the database. The database can be
updated dynamically while hlr_auc_gw is running to add/remove/modify
entries.
Example configuration files for hostapd to operate as a RADIUS
authentication server for EAP-SIM/AKA/AKA':
hostapd.conf:
driver=none
radius_server_clients=hostapd.radius_clients
eap_server=1
eap_user_file=hostapd.eap_user
eap_sim_db=unix:/tmp/hlr_auc_gw.sock db=/tmp/eap_sim.db
eap_sim_aka_result_ind=1
hostapd.radius_clients:
0.0.0.0/0 radius
hostapd.eap_user:
"0"* AKA
"1"* SIM
"2"* AKA
"3"* SIM
"4"* AKA
"5"* SIM
"6"* AKA'
"7"* AKA'
"8"* AKA'

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.TH HOSTAPD 8 "April 7, 2005" hostapd hostapd
.SH NAME
hostapd \- IEEE 802.11 AP, IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator
.SH SYNOPSIS
.B hostapd
[\-hdBKtv] [\-P <PID file>] <configuration file(s)>
.SH DESCRIPTION
This manual page documents briefly the
.B hostapd
daemon.
.PP
.B hostapd
is a user space daemon for access point and authentication servers.
It implements IEEE 802.11 access point management, IEEE 802.1X/WPA/WPA2/EAP Authenticators and RADIUS authentication server.
The current version supports Linux (Host AP, mac80211-based drivers) and FreeBSD (net80211).
.B hostapd
is designed to be a "daemon" program that runs in the background and acts as the backend component controlling authentication.
.B hostapd
supports separate frontend programs and an example text-based frontend,
.BR hostapd_cli ,
is included with
.BR hostapd .
.SH OPTIONS
A summary of options is included below.
For a complete description, run
.BR hostapd
from the command line.
.TP
.B \-h
Show usage.
.TP
.B \-d
Show more debug messages.
.TP
.B \-dd
Show even more debug messages.
.TP
.B \-B
Run daemon in the background.
.TP
.B \-P <PID file>
Path to PID file.
.TP
.B \-K
Include key data in debug messages.
.TP
.B \-t
Include timestamps in some debug messages.
.TP
.B \-v
Show hostapd version.
.SH SEE ALSO
.BR hostapd_cli (1).
.SH AUTHOR
hostapd was written by Jouni Malinen <j@w1.fi>.
.PP
This manual page was written by Faidon Liambotis <faidon@cube.gr>,
for the Debian project (but may be used by others).

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# List of MAC addresses that are allowed to authenticate (IEEE 802.11)
# with the AP. Optional VLAN ID can be assigned for clients based on the
# MAC address if dynamic VLANs (hostapd.conf dynamic_vlan option) are used.
00:11:22:33:44:55
00:66:77:88:99:aa
00:00:22:33:44:55 1

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#
# init.rc fragment for hostapd on Android
# Copyright (c) 2002-2016, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
#
on post-fs-data
mkdir /data/misc/wifi/hostapd 0770 wifi wifi
service hostapd /vendor/bin/hostapd \
/data/misc/wifi/hostapd.conf
class main
user wifi
writepid /data/misc/wifi/hostapd.pid
group wifi
disabled
oneshot

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# List of MAC addresses that are not allowed to authenticate (IEEE 802.11)
# with the AP.
00:20:30:40:50:60
00:ab:cd:ef:12:34
00:00:30:40:50:60

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# hostapd user database for integrated EAP server
# Each line must contain an identity, EAP method(s), and an optional password
# separated with whitespace (space or tab). The identity and password must be
# double quoted ("user"). Password can alternatively be stored as
# NtPasswordHash (16-byte MD4 hash of the unicode presentation of the password
# in unicode) if it is used for MSCHAP or MSCHAPv2 authentication. This means
# that the plaintext password does not need to be included in the user file.
# Password hash is stored as hash:<16-octets of hex data> without quotation
# marks.
# [2] flag in the end of the line can be used to mark users for tunneled phase
# 2 authentication (e.g., within EAP-PEAP). In these cases, an anonymous
# identity can be used in the unencrypted phase 1 and the real user identity
# is transmitted only within the encrypted tunnel in phase 2. If non-anonymous
# access is needed, two user entries is needed, one for phase 1 and another
# with the same username for phase 2.
#
# EAP-TLS, EAP-PEAP, EAP-TTLS, EAP-FAST, EAP-SIM, and EAP-AKA do not use
# password option.
# EAP-MD5, EAP-MSCHAPV2, EAP-GTC, EAP-PAX, EAP-PSK, and EAP-SAKE require a
# password.
# EAP-PEAP, EAP-TTLS, and EAP-FAST require Phase 2 configuration.
#
# * can be used as a wildcard to match any user identity. The main purposes for
# this are to set anonymous phase 1 identity for EAP-PEAP and EAP-TTLS and to
# avoid having to configure every certificate for EAP-TLS authentication. The
# first matching entry is selected, so * should be used as the last phase 1
# user entry.
#
# "prefix"* can be used to match the given prefix and anything after this. The
# main purpose for this is to be able to avoid EAP method negotiation when the
# method is using known prefix in identities (e.g., EAP-SIM and EAP-AKA). This
# is only allowed for phase 1 identities.
#
# Multiple methods can be configured to make the authenticator try them one by
# one until the peer accepts one. The method names are separated with a
# comma (,).
#
# [ver=0] and [ver=1] flags after EAP type PEAP can be used to force PEAP
# version based on the Phase 1 identity. Without this flag, the EAP
# authenticator advertises the highest supported version and select the version
# based on the first PEAP packet from the supplicant.
#
# EAP-TTLS supports both EAP and non-EAP authentication inside the tunnel.
# Tunneled EAP methods are configured with standard EAP method name and [2]
# flag. Non-EAP methods can be enabled by following method names: TTLS-PAP,
# TTLS-CHAP, TTLS-MSCHAP, TTLS-MSCHAPV2. TTLS-PAP and TTLS-CHAP require a
# plaintext password while TTLS-MSCHAP and TTLS-MSCHAPV2 can use NT password
# hash.
#
# Arbitrary RADIUS attributes can be added into Access-Accept packets similarly
# to the way radius_auth_req_attr is used for Access-Request packet in
# hostapd.conf. For EAP server, this is configured separately for each user
# entry with radius_accept_attr=<value> line(s) following the main user entry
# line.
# Phase 1 users
"user" MD5 "password"
"test user" MD5 "secret"
"example user" TLS
"DOMAIN\user" MSCHAPV2 "password"
"gtc user" GTC "password"
"pax user" PAX "unknown"
"pax.user@example.com" PAX 0123456789abcdef0123456789abcdef
"psk user" PSK "unknown"
"psk.user@example.com" PSK 0123456789abcdef0123456789abcdef
"sake.user@example.com" SAKE 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef
"ttls" TTLS
"not anonymous" PEAP
# Default to EAP-SIM and EAP-AKA based on fixed identity prefixes
"0"* AKA,TTLS,TLS,PEAP,SIM
"1"* SIM,TTLS,TLS,PEAP,AKA
"2"* AKA,TTLS,TLS,PEAP,SIM
"3"* SIM,TTLS,TLS,PEAP,AKA
"4"* AKA,TTLS,TLS,PEAP,SIM
"5"* SIM,TTLS,TLS,PEAP,AKA
"6"* AKA'
"7"* AKA'
"8"* AKA'
# Wildcard for all other identities
* PEAP,TTLS,TLS,SIM,AKA
# Phase 2 (tunnelled within EAP-PEAP or EAP-TTLS) users
"t-md5" MD5 "password" [2]
"DOMAIN\t-mschapv2" MSCHAPV2 "password" [2]
"t-gtc" GTC "password" [2]
"not anonymous" MSCHAPV2 "password" [2]
"user" MD5,GTC,MSCHAPV2 "password" [2]
"test user" MSCHAPV2 hash:000102030405060708090a0b0c0d0e0f [2]
"ttls-user" TTLS-PAP,TTLS-CHAP,TTLS-MSCHAP,TTLS-MSCHAPV2 "password" [2]
# Default to EAP-SIM and EAP-AKA based on fixed identity prefixes in phase 2
"0"* AKA [2]
"1"* SIM [2]
"2"* AKA [2]
"3"* SIM [2]
"4"* AKA [2]
"5"* SIM [2]
"6"* AKA' [2]
"7"* AKA' [2]
"8"* AKA' [2]

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CREATE TABLE users(
identity TEXT PRIMARY KEY,
methods TEXT,
password TEXT,
remediation TEXT,
phase2 INTEGER,
t_c_timestamp INTEGER
);
CREATE TABLE wildcards(
identity TEXT PRIMARY KEY,
methods TEXT
);
INSERT INTO users(identity,methods,password,phase2) VALUES ('user','TTLS-MSCHAPV2','password',1);
INSERT INTO users(identity,methods,password,phase2) VALUES ('DOMAIN\mschapv2 user','TTLS-MSCHAPV2','password',1);
INSERT INTO wildcards(identity,methods) VALUES ('','TTLS,TLS');
INSERT INTO wildcards(identity,methods) VALUES ('0','AKA');
CREATE TABLE authlog(
timestamp TEXT,
session TEXT,
nas_ip TEXT,
username TEXT,
note TEXT
);
CREATE TABLE pending_tc(
mac_addr TEXT PRIMARY KEY,
identity TEXT
);
CREATE TABLE current_sessions(
mac_addr TEXT PRIMARY KEY,
identity TEXT,
start_time TEXT,
nas TEXT,
hs20_t_c_filtering BOOLEAN,
waiting_coa_ack BOOLEAN,
coa_ack_received BOOLEAN
);

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# RADIUS client configuration for the RADIUS server
10.1.2.3 secret passphrase
192.168.1.0/24 another very secret passphrase
0.0.0.0/0 radius

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# Example GSM authentication triplet file for EAP-SIM authenticator
# IMSI:Kc:SRES:RAND
# IMSI: ASCII string (numbers)
# Kc: hex, 8 octets
# SRES: hex, 4 octets
# RAND: hex, 16 octets
234567898765432:A0A1A2A3A4A5A6A7:D1D2D3D4:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
234567898765432:B0B1B2B3B4B5B6B7:E1E2E3E4:BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
234567898765432:C0C1C2C3C4C5C6C7:F1F2F3F4:CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

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# VLAN ID to network interface mapping
1 vlan1
2 vlan2
3 vlan3
100 guest
# Optional wildcard entry matching all VLAN IDs. The first # in the interface
# name will be replaced with the VLAN ID. The network interfaces are created
# (and removed) dynamically based on the use.
* vlan#

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# List of WPA PSKs. Each line, except for empty lines and lines starting
# with #, must contain a MAC address and PSK separated with a space.
# Special MAC address 00:00:00:00:00:00 can be used to configure PSKs that
# anyone can use. PSK can be configured as an ASCII passphrase of 8..63
# characters or as a 256-bit hex PSK (64 hex digits).
# An optional key identifier can be added by prefixing the line with
# keyid=<keyid_string>
# An optional VLAN ID can be specified by prefixing the line with
# vlanid=<VLAN ID>.
00:00:00:00:00:00 secret passphrase
00:11:22:33:44:55 another passphrase
00:22:33:44:55:66 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef
keyid=example_id 00:11:22:33:44:77 passphrase with keyid
vlanid=3 00:00:00:00:00:00 passphrase with vlanid
00:00:00:00:00:00 another passphrase for all STAs

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.TH HOSTAPD_CLI 1 "April 7, 2005" hostapd_cli "hostapd command-line interface"
.SH NAME
hostapd_cli \- hostapd command-line interface
.SH SYNOPSIS
.B hostapd_cli
[\-p<path>] [\-i<ifname>] [\-a<path>] [\-hvB] [command..]
.SH DESCRIPTION
This manual page documents briefly the
.B hostapd_cli
utility.
.PP
.B hostapd_cli
is a command-line interface for the
.B hostapd
daemon.
.B hostapd
is a user space daemon for access point and authentication servers.
It implements IEEE 802.11 access point management, IEEE 802.1X/WPA/WPA2/EAP Authenticators and RADIUS authentication server.
For more information about
.B hostapd
refer to the
.BR hostapd (8)
man page.
.SH OPTIONS
A summary of options is included below.
For a complete description, run
.BR hostapd_cli
from the command line.
.TP
.B \-p<path>
Path to find control sockets.
Default: /var/run/hostapd
.TP
.B \-i<ifname>
Interface to listen on.
Default: first interface found in socket path.
.TP
.B \-a<path>
Run in daemon mode executing the action file based on events from hostapd.
.TP
.B \-B
Run a daemon in the background.
.TP
.B \-h
Show usage.
.TP
.B \-v
Show hostapd_cli version.
.SH COMMANDS
A summary of commands is included below.
For a complete description, run
.BR hostapd_cli
from the command line.
.TP
.B mib
Get MIB variables (dot1x, dot11, radius).
.TP
.B sta <addr>
Get MIB variables for one station.
.TP
.B all_sta
Get MIB variables for all stations.
.TP
.B help
Get usage help.
.TP
.B interface [ifname]
Show interfaces/select interface.
.TP
.B level <debug level>
Change debug level.
.TP
.B license
Show full
.B hostapd_cli
license.
.TP
.B quit
Exit hostapd_cli.
.SH SEE ALSO
.BR hostapd (8).
.SH AUTHOR
hostapd_cli was written by Jouni Malinen <j@w1.fi>.
.PP
This manual page was written by Faidon Liambotis <faidon@cube.gr>,
for the Debian project (but may be used by others).

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Logwatch is a utility for analyzing system logs and provide a human
readable summary. This directory has a configuration file and a log
analyzer script for parsing hostapd system log entries for logwatch.
These files can be installed by copying them to following locations:
/etc/log.d/conf/services/hostapd.conf
/etc/log.d/scripts/services/hostapd
More information about logwatch is available from http://www.logwatch.org/

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#!/usr/bin/perl -w
#
# Logwatch script for hostapd
#
# Copyright 2005 Henrik Brix Andersen <brix@gentoo.org>
# Distributed under the terms of the GNU General Public License v2
# Alternatively, this file may be distributed under the terms of the BSD License
use strict;
my $debug = $ENV{'LOGWATCH_DEBUG'} || 0;
my $detail = $ENV{'LOGWATCH_DETAIL_LEVEL'} || 0;
my $debugcounter = 1;
my %hostapd;
my @unmatched;
if ($debug >= 5) {
print STDERR "\n\nDEBUG: Inside HOSTAPD Filter\n\n";
}
while (defined(my $line = <STDIN>)) {
if ($debug >= 5) {
print STDERR "DEBUG($debugcounter): $line";
$debugcounter++;
}
chomp($line);
if (my ($iface,$mac,$layer,$details) = ($line =~ /(.*?): STA (.*?) (.*?): (.*?)$/i)) {
unless ($detail == 10) {
# collapse association events
$details =~ s/^(associated) .*$/$1/i;
}
$hostapd{$iface}->{$mac}->{$layer}->{$details}++;
} else {
push @unmatched, "$line\n";
}
}
if (keys %hostapd) {
foreach my $iface (sort keys %hostapd) {
print "Interface $iface:\n";
foreach my $mac (sort keys %{$hostapd{$iface}}) {
print " Client MAC Address $mac:\n";
foreach my $layer (sort keys %{$hostapd{$iface}->{$mac}}) {
print " $layer:\n";
foreach my $details (sort keys %{$hostapd{$iface}->{$mac}->{$layer}}) {
print " $details";
my $count = $hostapd{$iface}->{$mac}->{$layer}->{$details};
if ($count > 1) {
print ": " . $count . " Times";
}
print "\n";
}
}
}
}
}
if ($#unmatched >= 0) {
print "\n**Unmatched Entries**\n";
print @unmatched;
}
exit(0);

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# Logwatch configuration for hostapd
#
# Copyright 2005 Henrik Brix Andersen <brix@gentoo.org>
# Distributed under the terms of the GNU General Public License v2
# Alternatively, this file may be distributed under the terms of the BSD License
Title = "hostapd"
LogFile = messages
*OnlyService = hostapd
*RemoveHeaders

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/*
* hostapd / main()
* Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#ifndef CONFIG_NATIVE_WINDOWS
#include <syslog.h>
#include <grp.h>
#endif /* CONFIG_NATIVE_WINDOWS */
#include "utils/common.h"
#include "utils/eloop.h"
#include "utils/uuid.h"
#include "crypto/random.h"
#include "crypto/tls.h"
#include "common/version.h"
#include "common/dpp.h"
#include "drivers/driver.h"
#include "eap_server/eap.h"
#include "eap_server/tncs.h"
#include "ap/hostapd.h"
#include "ap/ap_config.h"
#include "ap/ap_drv_ops.h"
#include "ap/dpp_hostapd.h"
#include "fst/fst.h"
#include "config_file.h"
#include "eap_register.h"
#include "ctrl_iface.h"
struct hapd_global {
void **drv_priv;
size_t drv_count;
};
static struct hapd_global global;
#ifndef CONFIG_NO_HOSTAPD_LOGGER
static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
int level, const char *txt, size_t len)
{
struct hostapd_data *hapd = ctx;
char *format, *module_str;
int maxlen;
int conf_syslog_level, conf_stdout_level;
unsigned int conf_syslog, conf_stdout;
maxlen = len + 100;
format = os_malloc(maxlen);
if (!format)
return;
if (hapd && hapd->conf) {
conf_syslog_level = hapd->conf->logger_syslog_level;
conf_stdout_level = hapd->conf->logger_stdout_level;
conf_syslog = hapd->conf->logger_syslog;
conf_stdout = hapd->conf->logger_stdout;
} else {
conf_syslog_level = conf_stdout_level = 0;
conf_syslog = conf_stdout = (unsigned int) -1;
}
switch (module) {
case HOSTAPD_MODULE_IEEE80211:
module_str = "IEEE 802.11";
break;
case HOSTAPD_MODULE_IEEE8021X:
module_str = "IEEE 802.1X";
break;
case HOSTAPD_MODULE_RADIUS:
module_str = "RADIUS";
break;
case HOSTAPD_MODULE_WPA:
module_str = "WPA";
break;
case HOSTAPD_MODULE_DRIVER:
module_str = "DRIVER";
break;
case HOSTAPD_MODULE_IAPP:
module_str = "IAPP";
break;
case HOSTAPD_MODULE_MLME:
module_str = "MLME";
break;
default:
module_str = NULL;
break;
}
if (hapd && hapd->conf && addr)
os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s",
hapd->conf->iface, MAC2STR(addr),
module_str ? " " : "", module_str ? module_str : "",
txt);
else if (hapd && hapd->conf)
os_snprintf(format, maxlen, "%s:%s%s %s",
hapd->conf->iface, module_str ? " " : "",
module_str ? module_str : "", txt);
else if (addr)
os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
MAC2STR(addr), module_str ? " " : "",
module_str ? module_str : "", txt);
else
os_snprintf(format, maxlen, "%s%s%s",
module_str ? module_str : "",
module_str ? ": " : "", txt);
#ifdef CONFIG_DEBUG_SYSLOG
if (wpa_debug_syslog)
conf_stdout = 0;
#endif /* CONFIG_DEBUG_SYSLOG */
if ((conf_stdout & module) && level >= conf_stdout_level) {
wpa_debug_print_timestamp();
wpa_printf(MSG_INFO, "%s", format);
}
#ifndef CONFIG_NATIVE_WINDOWS
if ((conf_syslog & module) && level >= conf_syslog_level) {
int priority;
switch (level) {
case HOSTAPD_LEVEL_DEBUG_VERBOSE:
case HOSTAPD_LEVEL_DEBUG:
priority = LOG_DEBUG;
break;
case HOSTAPD_LEVEL_INFO:
priority = LOG_INFO;
break;
case HOSTAPD_LEVEL_NOTICE:
priority = LOG_NOTICE;
break;
case HOSTAPD_LEVEL_WARNING:
priority = LOG_WARNING;
break;
default:
priority = LOG_INFO;
break;
}
syslog(priority, "%s", format);
}
#endif /* CONFIG_NATIVE_WINDOWS */
os_free(format);
}
#endif /* CONFIG_NO_HOSTAPD_LOGGER */
/**
* hostapd_driver_init - Preparate driver interface
*/
static int hostapd_driver_init(struct hostapd_iface *iface)
{
struct wpa_init_params params;
size_t i;
struct hostapd_data *hapd = iface->bss[0];
struct hostapd_bss_config *conf = hapd->conf;
u8 *b = conf->bssid;
struct wpa_driver_capa capa;
if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) {
wpa_printf(MSG_ERROR, "No hostapd driver wrapper available");
return -1;
}
/* Initialize the driver interface */
if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5]))
b = NULL;
os_memset(&params, 0, sizeof(params));
for (i = 0; wpa_drivers[i]; i++) {
if (wpa_drivers[i] != hapd->driver)
continue;
if (global.drv_priv[i] == NULL &&
wpa_drivers[i]->global_init) {
global.drv_priv[i] =
wpa_drivers[i]->global_init(iface->interfaces);
if (global.drv_priv[i] == NULL) {
wpa_printf(MSG_ERROR, "Failed to initialize "
"driver '%s'",
wpa_drivers[i]->name);
return -1;
}
}
params.global_priv = global.drv_priv[i];
break;
}
params.bssid = b;
params.ifname = hapd->conf->iface;
params.driver_params = hapd->iconf->driver_params;
params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
params.num_bridge = hapd->iface->num_bss;
params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *));
if (params.bridge == NULL)
return -1;
for (i = 0; i < hapd->iface->num_bss; i++) {
struct hostapd_data *bss = hapd->iface->bss[i];
if (bss->conf->bridge[0])
params.bridge[i] = bss->conf->bridge;
}
params.own_addr = hapd->own_addr;
hapd->drv_priv = hapd->driver->hapd_init(hapd, &params);
os_free(params.bridge);
if (hapd->drv_priv == NULL) {
wpa_printf(MSG_ERROR, "%s driver initialization failed.",
hapd->driver->name);
hapd->driver = NULL;
return -1;
}
if (hapd->driver->get_capa &&
hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
struct wowlan_triggers *triggs;
iface->drv_flags = capa.flags;
iface->smps_modes = capa.smps_modes;
iface->probe_resp_offloads = capa.probe_resp_offloads;
/*
* Use default extended capa values from per-radio information
*/
iface->extended_capa = capa.extended_capa;
iface->extended_capa_mask = capa.extended_capa_mask;
iface->extended_capa_len = capa.extended_capa_len;
iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs;
/*
* Override extended capa with per-interface type (AP), if
* available from the driver.
*/
hostapd_get_ext_capa(iface);
triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa);
if (triggs && hapd->driver->set_wowlan) {
if (hapd->driver->set_wowlan(hapd->drv_priv, triggs))
wpa_printf(MSG_ERROR, "set_wowlan failed");
}
os_free(triggs);
}
return 0;
}
/**
* hostapd_interface_init - Read configuration file and init BSS data
*
* This function is used to parse configuration file for a full interface (one
* or more BSSes sharing the same radio) and allocate memory for the BSS
* interfaces. No actual driver operations are started.
*/
static struct hostapd_iface *
hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name,
const char *config_fname, int debug)
{
struct hostapd_iface *iface;
int k;
wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname);
iface = hostapd_init(interfaces, config_fname);
if (!iface)
return NULL;
if (if_name) {
os_strlcpy(iface->conf->bss[0]->iface, if_name,
sizeof(iface->conf->bss[0]->iface));
}
iface->interfaces = interfaces;
for (k = 0; k < debug; k++) {
if (iface->bss[0]->conf->logger_stdout_level > 0)
iface->bss[0]->conf->logger_stdout_level--;
}
if (iface->conf->bss[0]->iface[0] == '\0' &&
!hostapd_drv_none(iface->bss[0])) {
wpa_printf(MSG_ERROR,
"Interface name not specified in %s, nor by '-i' parameter",
config_fname);
hostapd_interface_deinit_free(iface);
return NULL;
}
return iface;
}
/**
* handle_term - SIGINT and SIGTERM handler to terminate hostapd process
*/
static void handle_term(int sig, void *signal_ctx)
{
wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig);
eloop_terminate();
}
#ifndef CONFIG_NATIVE_WINDOWS
static int handle_reload_iface(struct hostapd_iface *iface, void *ctx)
{
if (hostapd_reload_config(iface) < 0) {
wpa_printf(MSG_WARNING, "Failed to read new configuration "
"file - continuing with old.");
}
return 0;
}
/**
* handle_reload - SIGHUP handler to reload configuration
*/
static void handle_reload(int sig, void *signal_ctx)
{
struct hapd_interfaces *interfaces = signal_ctx;
wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration",
sig);
hostapd_for_each_interface(interfaces, handle_reload_iface, NULL);
}
static void handle_dump_state(int sig, void *signal_ctx)
{
/* Not used anymore - ignore signal */
}
#endif /* CONFIG_NATIVE_WINDOWS */
static int hostapd_global_init(struct hapd_interfaces *interfaces,
const char *entropy_file)
{
int i;
os_memset(&global, 0, sizeof(global));
hostapd_logger_register_cb(hostapd_logger_cb);
if (eap_server_register_methods()) {
wpa_printf(MSG_ERROR, "Failed to register EAP methods");
return -1;
}
if (eloop_init()) {
wpa_printf(MSG_ERROR, "Failed to initialize event loop");
return -1;
}
interfaces->eloop_initialized = 1;
random_init(entropy_file);
#ifndef CONFIG_NATIVE_WINDOWS
eloop_register_signal(SIGHUP, handle_reload, interfaces);
eloop_register_signal(SIGUSR1, handle_dump_state, interfaces);
#endif /* CONFIG_NATIVE_WINDOWS */
eloop_register_signal_terminate(handle_term, interfaces);
#ifndef CONFIG_NATIVE_WINDOWS
openlog("hostapd", 0, LOG_DAEMON);
#endif /* CONFIG_NATIVE_WINDOWS */
for (i = 0; wpa_drivers[i]; i++)
global.drv_count++;
if (global.drv_count == 0) {
wpa_printf(MSG_ERROR, "No drivers enabled");
return -1;
}
global.drv_priv = os_calloc(global.drv_count, sizeof(void *));
if (global.drv_priv == NULL)
return -1;
return 0;
}
static void hostapd_global_deinit(const char *pid_file, int eloop_initialized)
{
int i;
for (i = 0; wpa_drivers[i] && global.drv_priv; i++) {
if (!global.drv_priv[i])
continue;
wpa_drivers[i]->global_deinit(global.drv_priv[i]);
}
os_free(global.drv_priv);
global.drv_priv = NULL;
#ifdef EAP_SERVER_TNC
tncs_global_deinit();
#endif /* EAP_SERVER_TNC */
random_deinit();
if (eloop_initialized)
eloop_destroy();
#ifndef CONFIG_NATIVE_WINDOWS
closelog();
#endif /* CONFIG_NATIVE_WINDOWS */
eap_server_unregister_methods();
os_daemonize_terminate(pid_file);
}
static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize,
const char *pid_file)
{
#ifdef EAP_SERVER_TNC
int tnc = 0;
size_t i, k;
for (i = 0; !tnc && i < ifaces->count; i++) {
for (k = 0; k < ifaces->iface[i]->num_bss; k++) {
if (ifaces->iface[i]->bss[0]->conf->tnc) {
tnc++;
break;
}
}
}
if (tnc && tncs_global_init() < 0) {
wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
return -1;
}
#endif /* EAP_SERVER_TNC */
if (daemonize) {
if (os_daemonize(pid_file)) {
wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno));
return -1;
}
if (eloop_sock_requeue()) {
wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s",
strerror(errno));
return -1;
}
}
eloop_run();
return 0;
}
static void show_version(void)
{
fprintf(stderr,
"hostapd v" VERSION_STR " for Realtek rtl871xdrv\n"
"User space daemon for IEEE 802.11 AP management,\n"
"IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
"Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> "
"and contributors\n");
}
static void usage(void)
{
show_version();
fprintf(stderr,
"\n"
"usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
"\\\n"
" [-g <global ctrl_iface>] [-G <group>]\\\n"
" [-i <comma-separated list of interface names>]\\\n"
" <configuration file(s)>\n"
"\n"
"options:\n"
" -h show this usage\n"
" -d show more debug messages (-dd for even more)\n"
" -B run daemon in the background\n"
" -e entropy file\n"
" -g global control interface path\n"
" -G group for control interfaces\n"
" -P PID file\n"
" -K include key data in debug messages\n"
#ifdef CONFIG_DEBUG_FILE
" -f log output to debug file instead of stdout\n"
#endif /* CONFIG_DEBUG_FILE */
#ifdef CONFIG_DEBUG_LINUX_TRACING
" -T record to Linux tracing in addition to logging\n"
" (records all messages regardless of debug verbosity)\n"
#endif /* CONFIG_DEBUG_LINUX_TRACING */
" -i list of interface names to use\n"
#ifdef CONFIG_DEBUG_SYSLOG
" -s log output to syslog instead of stdout\n"
#endif /* CONFIG_DEBUG_SYSLOG */
" -S start all the interfaces synchronously\n"
" -t include timestamps in some debug messages\n"
" -v show hostapd version\n");
exit(1);
}
static const char * hostapd_msg_ifname_cb(void *ctx)
{
struct hostapd_data *hapd = ctx;
if (hapd && hapd->conf)
return hapd->conf->iface;
return NULL;
}
static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
const char *path)
{
#ifndef CONFIG_CTRL_IFACE_UDP
char *pos;
#endif /* !CONFIG_CTRL_IFACE_UDP */
os_free(interfaces->global_iface_path);
interfaces->global_iface_path = os_strdup(path);
if (interfaces->global_iface_path == NULL)
return -1;
#ifndef CONFIG_CTRL_IFACE_UDP
pos = os_strrchr(interfaces->global_iface_path, '/');
if (pos == NULL) {
wpa_printf(MSG_ERROR, "No '/' in the global control interface "
"file");
os_free(interfaces->global_iface_path);
interfaces->global_iface_path = NULL;
return -1;
}
*pos = '\0';
interfaces->global_iface_name = pos + 1;
#endif /* !CONFIG_CTRL_IFACE_UDP */
return 0;
}
static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces,
const char *group)
{
#ifndef CONFIG_NATIVE_WINDOWS
struct group *grp;
grp = getgrnam(group);
if (grp == NULL) {
wpa_printf(MSG_ERROR, "Unknown group '%s'", group);
return -1;
}
interfaces->ctrl_iface_group = grp->gr_gid;
#endif /* CONFIG_NATIVE_WINDOWS */
return 0;
}
static int hostapd_get_interface_names(char ***if_names,
size_t *if_names_size,
char *arg)
{
char *if_name, *tmp, **nnames;
size_t i;
if (!arg)
return -1;
if_name = strtok_r(arg, ",", &tmp);
while (if_name) {
nnames = os_realloc_array(*if_names, 1 + *if_names_size,
sizeof(char *));
if (!nnames)
goto fail;
*if_names = nnames;
(*if_names)[*if_names_size] = os_strdup(if_name);
if (!(*if_names)[*if_names_size])
goto fail;
(*if_names_size)++;
if_name = strtok_r(NULL, ",", &tmp);
}
return 0;
fail:
for (i = 0; i < *if_names_size; i++)
os_free((*if_names)[i]);
os_free(*if_names);
*if_names = NULL;
*if_names_size = 0;
return -1;
}
#ifdef CONFIG_WPS
static int gen_uuid(const char *txt_addr)
{
u8 addr[ETH_ALEN];
u8 uuid[UUID_LEN];
char buf[100];
if (hwaddr_aton(txt_addr, addr) < 0)
return -1;
uuid_gen_mac_addr(addr, uuid);
if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0)
return -1;
printf("%s\n", buf);
return 0;
}
#endif /* CONFIG_WPS */
#ifndef HOSTAPD_CLEANUP_INTERVAL
#define HOSTAPD_CLEANUP_INTERVAL 10
#endif /* HOSTAPD_CLEANUP_INTERVAL */
static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx)
{
hostapd_periodic_iface(iface);
return 0;
}
/* Periodic cleanup tasks */
static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx)
{
struct hapd_interfaces *interfaces = eloop_ctx;
eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
hostapd_periodic, interfaces, NULL);
hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL);
}
int main(int argc, char *argv[])
{
struct hapd_interfaces interfaces;
int ret = 1;
size_t i, j;
int c, debug = 0, daemonize = 0;
char *pid_file = NULL;
const char *log_file = NULL;
const char *entropy_file = NULL;
char **bss_config = NULL, **tmp_bss;
size_t num_bss_configs = 0;
#ifdef CONFIG_DEBUG_LINUX_TRACING
int enable_trace_dbg = 0;
#endif /* CONFIG_DEBUG_LINUX_TRACING */
int start_ifaces_in_sync = 0;
char **if_names = NULL;
size_t if_names_size = 0;
#ifdef CONFIG_DPP
struct dpp_global_config dpp_conf;
#endif /* CONFIG_DPP */
if (os_program_init())
return -1;
os_memset(&interfaces, 0, sizeof(interfaces));
interfaces.reload_config = hostapd_reload_config;
interfaces.config_read_cb = hostapd_config_read;
interfaces.for_each_interface = hostapd_for_each_interface;
interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
interfaces.driver_init = hostapd_driver_init;
interfaces.global_iface_path = NULL;
interfaces.global_iface_name = NULL;
interfaces.global_ctrl_sock = -1;
dl_list_init(&interfaces.global_ctrl_dst);
#ifdef CONFIG_ETH_P_OUI
dl_list_init(&interfaces.eth_p_oui);
#endif /* CONFIG_ETH_P_OUI */
#ifdef CONFIG_DPP
os_memset(&dpp_conf, 0, sizeof(dpp_conf));
/* TODO: dpp_conf.msg_ctx? */
interfaces.dpp = dpp_global_init(&dpp_conf);
if (!interfaces.dpp)
return -1;
#endif /* CONFIG_DPP */
for (;;) {
c = getopt(argc, argv, "b:Bde:f:hi:KP:sSTtu:vg:G:");
if (c < 0)
break;
switch (c) {
case 'h':
usage();
break;
case 'd':
debug++;
if (wpa_debug_level > 0)
wpa_debug_level--;
break;
case 'B':
daemonize++;
break;
case 'e':
entropy_file = optarg;
break;
case 'f':
log_file = optarg;
break;
case 'K':
wpa_debug_show_keys++;
break;
case 'P':
os_free(pid_file);
pid_file = os_rel2abs_path(optarg);
break;
case 't':
wpa_debug_timestamp++;
break;
#ifdef CONFIG_DEBUG_LINUX_TRACING
case 'T':
enable_trace_dbg = 1;
break;
#endif /* CONFIG_DEBUG_LINUX_TRACING */
case 'v':
show_version();
exit(1);
break;
case 'g':
if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
return -1;
break;
case 'G':
if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
return -1;
break;
case 'b':
tmp_bss = os_realloc_array(bss_config,
num_bss_configs + 1,
sizeof(char *));
if (tmp_bss == NULL)
goto out;
bss_config = tmp_bss;
bss_config[num_bss_configs++] = optarg;
break;
#ifdef CONFIG_DEBUG_SYSLOG
case 's':
wpa_debug_syslog = 1;
break;
#endif /* CONFIG_DEBUG_SYSLOG */
case 'S':
start_ifaces_in_sync = 1;
break;
#ifdef CONFIG_WPS
case 'u':
return gen_uuid(optarg);
#endif /* CONFIG_WPS */
case 'i':
if (hostapd_get_interface_names(&if_names,
&if_names_size, optarg))
goto out;
break;
default:
usage();
break;
}
}
if (optind == argc && interfaces.global_iface_path == NULL &&
num_bss_configs == 0)
usage();
wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
if (log_file)
wpa_debug_open_file(log_file);
else
wpa_debug_setup_stdout();
#ifdef CONFIG_DEBUG_SYSLOG
if (wpa_debug_syslog)
wpa_debug_open_syslog();
#endif /* CONFIG_DEBUG_SYSLOG */
#ifdef CONFIG_DEBUG_LINUX_TRACING
if (enable_trace_dbg) {
int tret = wpa_debug_open_linux_tracing();
if (tret) {
wpa_printf(MSG_ERROR, "Failed to enable trace logging");
return -1;
}
}
#endif /* CONFIG_DEBUG_LINUX_TRACING */
interfaces.count = argc - optind;
if (interfaces.count || num_bss_configs) {
interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
sizeof(struct hostapd_iface *));
if (interfaces.iface == NULL) {
wpa_printf(MSG_ERROR, "malloc failed");
return -1;
}
}
if (hostapd_global_init(&interfaces, entropy_file)) {
wpa_printf(MSG_ERROR, "Failed to initialize global context");
return -1;
}
eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
hostapd_periodic, &interfaces, NULL);
if (fst_global_init()) {
wpa_printf(MSG_ERROR,
"Failed to initialize global FST context");
goto out;
}
#if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
if (!fst_global_add_ctrl(fst_ctrl_cli))
wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
#endif /* CONFIG_FST && CONFIG_CTRL_IFACE */
/* Allocate and parse configuration for full interface files */
for (i = 0; i < interfaces.count; i++) {
char *if_name = NULL;
if (i < if_names_size)
if_name = if_names[i];
interfaces.iface[i] = hostapd_interface_init(&interfaces,
if_name,
argv[optind + i],
debug);
if (!interfaces.iface[i]) {
wpa_printf(MSG_ERROR, "Failed to initialize interface");
goto out;
}
if (start_ifaces_in_sync)
interfaces.iface[i]->need_to_start_in_sync = 1;
}
/* Allocate and parse configuration for per-BSS files */
for (i = 0; i < num_bss_configs; i++) {
struct hostapd_iface *iface;
char *fname;
wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
fname = os_strchr(bss_config[i], ':');
if (fname == NULL) {
wpa_printf(MSG_ERROR,
"Invalid BSS config identifier '%s'",
bss_config[i]);
goto out;
}
*fname++ = '\0';
iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
fname, debug);
if (iface == NULL)
goto out;
for (j = 0; j < interfaces.count; j++) {
if (interfaces.iface[j] == iface)
break;
}
if (j == interfaces.count) {
struct hostapd_iface **tmp;
tmp = os_realloc_array(interfaces.iface,
interfaces.count + 1,
sizeof(struct hostapd_iface *));
if (tmp == NULL) {
hostapd_interface_deinit_free(iface);
goto out;
}
interfaces.iface = tmp;
interfaces.iface[interfaces.count++] = iface;
}
}
/*
* Enable configured interfaces. Depending on channel configuration,
* this may complete full initialization before returning or use a
* callback mechanism to complete setup in case of operations like HT
* co-ex scans, ACS, or DFS are needed to determine channel parameters.
* In such case, the interface will be enabled from eloop context within
* hostapd_global_run().
*/
interfaces.terminate_on_error = interfaces.count;
for (i = 0; i < interfaces.count; i++) {
if (hostapd_driver_init(interfaces.iface[i]) ||
hostapd_setup_interface(interfaces.iface[i]))
goto out;
}
hostapd_global_ctrl_iface_init(&interfaces);
if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
wpa_printf(MSG_ERROR, "Failed to start eloop");
goto out;
}
ret = 0;
out:
hostapd_global_ctrl_iface_deinit(&interfaces);
/* Deinitialize all interfaces */
for (i = 0; i < interfaces.count; i++) {
if (!interfaces.iface[i])
continue;
interfaces.iface[i]->driver_ap_teardown =
!!(interfaces.iface[i]->drv_flags &
WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
hostapd_interface_deinit_free(interfaces.iface[i]);
}
os_free(interfaces.iface);
#ifdef CONFIG_DPP
dpp_global_deinit(interfaces.dpp);
#endif /* CONFIG_DPP */
if (interfaces.eloop_initialized)
eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL);
hostapd_global_deinit(pid_file, interfaces.eloop_initialized);
os_free(pid_file);
wpa_debug_close_syslog();
if (log_file)
wpa_debug_close_file();
wpa_debug_close_linux_tracing();
os_free(bss_config);
for (i = 0; i < if_names_size; i++)
os_free(if_names[i]);
os_free(if_names);
fst_global_deinit();
os_program_deinit();
return ret;
}

47
hostapd-2.9/hostapd/nt_password_hash.c Normal file
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/*
* hostapd - Plaintext password to NtPasswordHash
* Copyright (c) 2005, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "common.h"
#include "crypto/ms_funcs.h"
int main(int argc, char *argv[])
{
unsigned char password_hash[16];
size_t i;
char *password, buf[64], *pos;
if (argc > 1)
password = argv[1];
else {
if (fgets(buf, sizeof(buf), stdin) == NULL) {
printf("Failed to read password\n");
return 1;
}
buf[sizeof(buf) - 1] = '\0';
pos = buf;
while (*pos != '\0') {
if (*pos == '\r' || *pos == '\n') {
*pos = '\0';
break;
}
pos++;
}
password = buf;
}
if (nt_password_hash((u8 *) password, strlen(password), password_hash))
return -1;
for (i = 0; i < sizeof(password_hash); i++)
printf("%02x", password_hash[i]);
printf("\n");
return 0;
}

40
hostapd-2.9/hostapd/wired.conf Normal file
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##### hostapd configuration file ##############################################
# Empty lines and lines starting with # are ignored
# Example configuration file for wired authenticator. See hostapd.conf for
# more details.
interface=eth0
driver=wired
logger_stdout=-1
logger_stdout_level=1
debug=2
dump_file=/tmp/hostapd.dump
ieee8021x=1
eap_reauth_period=3600
use_pae_group_addr=1
##### RADIUS configuration ####################################################
# for IEEE 802.1X with external Authentication Server, IEEE 802.11
# authentication with external ACL for MAC addresses, and accounting
# The own IP address of the access point (used as NAS-IP-Address)
own_ip_addr=127.0.0.1
# Optional NAS-Identifier string for RADIUS messages. When used, this should be
# a unique to the NAS within the scope of the RADIUS server. For example, a
# fully qualified domain name can be used here.
nas_identifier=ap.example.com
# RADIUS authentication server
auth_server_addr=127.0.0.1
auth_server_port=1812
auth_server_shared_secret=radius
# RADIUS accounting server
acct_server_addr=127.0.0.1
acct_server_port=1813
acct_server_shared_secret=radius

342
hostapd-2.9/hostapd/wps-ap-nfc.py Executable file
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#!/usr/bin/python
#
# Example nfcpy to hostapd wrapper for WPS NFC operations
# Copyright (c) 2012-2013, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import os
import sys
import time
import argparse
import nfc
import nfc.ndef
import nfc.llcp
import nfc.handover
import logging
import wpaspy
wpas_ctrl = '/var/run/hostapd'
continue_loop = True
summary_file = None
success_file = None
def summary(txt):
print(txt)
if summary_file:
with open(summary_file, 'a') as f:
f.write(txt + "\n")
def success_report(txt):
summary(txt)
if success_file:
with open(success_file, 'a') as f:
f.write(txt + "\n")
def wpas_connect():
ifaces = []
if os.path.isdir(wpas_ctrl):
try:
ifaces = [os.path.join(wpas_ctrl, i) for i in os.listdir(wpas_ctrl)]
except OSError as error:
print("Could not find hostapd: ", error)
return None
if len(ifaces) < 1:
print("No hostapd control interface found")
return None
for ctrl in ifaces:
try:
wpas = wpaspy.Ctrl(ctrl)
return wpas
except Exception as e:
pass
return None
def wpas_tag_read(message):
wpas = wpas_connect()
if (wpas == None):
return False
if "FAIL" in wpas.request("WPS_NFC_TAG_READ " + str(message).encode("hex")):
return False
return True
def wpas_get_config_token():
wpas = wpas_connect()
if (wpas == None):
return None
ret = wpas.request("WPS_NFC_CONFIG_TOKEN NDEF")
if "FAIL" in ret:
return None
return ret.rstrip().decode("hex")
def wpas_get_password_token():
wpas = wpas_connect()
if (wpas == None):
return None
ret = wpas.request("WPS_NFC_TOKEN NDEF")
if "FAIL" in ret:
return None
return ret.rstrip().decode("hex")
def wpas_get_handover_sel():
wpas = wpas_connect()
if (wpas == None):
return None
ret = wpas.request("NFC_GET_HANDOVER_SEL NDEF WPS-CR")
if "FAIL" in ret:
return None
return ret.rstrip().decode("hex")
def wpas_report_handover(req, sel):
wpas = wpas_connect()
if (wpas == None):
return None
return wpas.request("NFC_REPORT_HANDOVER RESP WPS " +
str(req).encode("hex") + " " +
str(sel).encode("hex"))
class HandoverServer(nfc.handover.HandoverServer):
def __init__(self, llc):
super(HandoverServer, self).__init__(llc)
self.ho_server_processing = False
self.success = False
# override to avoid parser error in request/response.pretty() in nfcpy
# due to new WSC handover format
def _process_request(self, request):
summary("received handover request {}".format(request.type))
response = nfc.ndef.Message("\xd1\x02\x01Hs\x12")
if not request.type == 'urn:nfc:wkt:Hr':
summary("not a handover request")
else:
try:
request = nfc.ndef.HandoverRequestMessage(request)
except nfc.ndef.DecodeError as e:
summary("error decoding 'Hr' message: {}".format(e))
else:
response = self.process_request(request)
summary("send handover response {}".format(response.type))
return response
def process_request(self, request):
summary("HandoverServer - request received")
try:
print("Parsed handover request: " + request.pretty())
except Exception as e:
print(e)
print(str(request).encode("hex"))
sel = nfc.ndef.HandoverSelectMessage(version="1.2")
for carrier in request.carriers:
print("Remote carrier type: " + carrier.type)
if carrier.type == "application/vnd.wfa.wsc":
summary("WPS carrier type match - add WPS carrier record")
data = wpas_get_handover_sel()
if data is None:
summary("Could not get handover select carrier record from hostapd")
continue
print("Handover select carrier record from hostapd:")
print(data.encode("hex"))
if "OK" in wpas_report_handover(carrier.record, data):
success_report("Handover reported successfully")
else:
summary("Handover report rejected")
message = nfc.ndef.Message(data);
sel.add_carrier(message[0], "active", message[1:])
print("Handover select:")
try:
print(sel.pretty())
except Exception as e:
print(e)
print(str(sel).encode("hex"))
summary("Sending handover select")
self.success = True
return sel
def wps_tag_read(tag):
success = False
if len(tag.ndef.message):
for record in tag.ndef.message:
print("record type " + record.type)
if record.type == "application/vnd.wfa.wsc":
summary("WPS tag - send to hostapd")
success = wpas_tag_read(tag.ndef.message)
break
else:
summary("Empty tag")
if success:
success_report("Tag read succeeded")
return success
def rdwr_connected_write(tag):
summary("Tag found - writing - " + str(tag))
global write_data
tag.ndef.message = str(write_data)
success_report("Tag write succeeded")
print("Done - remove tag")
global only_one
if only_one:
global continue_loop
continue_loop = False
global write_wait_remove
while write_wait_remove and tag.is_present:
time.sleep(0.1)
def wps_write_config_tag(clf, wait_remove=True):
summary("Write WPS config token")
global write_data, write_wait_remove
write_wait_remove = wait_remove
write_data = wpas_get_config_token()
if write_data == None:
summary("Could not get WPS config token from hostapd")
return
print("Touch an NFC tag")
clf.connect(rdwr={'on-connect': rdwr_connected_write})
def wps_write_password_tag(clf, wait_remove=True):
summary("Write WPS password token")
global write_data, write_wait_remove
write_wait_remove = wait_remove
write_data = wpas_get_password_token()
if write_data == None:
summary("Could not get WPS password token from hostapd")
return
print("Touch an NFC tag")
clf.connect(rdwr={'on-connect': rdwr_connected_write})
def rdwr_connected(tag):
global only_one, no_wait
summary("Tag connected: " + str(tag))
if tag.ndef:
print("NDEF tag: " + tag.type)
try:
print(tag.ndef.message.pretty())
except Exception as e:
print(e)
success = wps_tag_read(tag)
if only_one and success:
global continue_loop
continue_loop = False
else:
summary("Not an NDEF tag - remove tag")
return True
return not no_wait
def llcp_startup(clf, llc):
print("Start LLCP server")
global srv
srv = HandoverServer(llc)
return llc
def llcp_connected(llc):
print("P2P LLCP connected")
global wait_connection
wait_connection = False
global srv
srv.start()
return True
def main():
clf = nfc.ContactlessFrontend()
parser = argparse.ArgumentParser(description='nfcpy to hostapd integration for WPS NFC operations')
parser.add_argument('-d', const=logging.DEBUG, default=logging.INFO,
action='store_const', dest='loglevel',
help='verbose debug output')
parser.add_argument('-q', const=logging.WARNING, action='store_const',
dest='loglevel', help='be quiet')
parser.add_argument('--only-one', '-1', action='store_true',
help='run only one operation and exit')
parser.add_argument('--no-wait', action='store_true',
help='do not wait for tag to be removed before exiting')
parser.add_argument('--summary',
help='summary file for writing status updates')
parser.add_argument('--success',
help='success file for writing success update')
parser.add_argument('command', choices=['write-config',
'write-password'],
nargs='?')
args = parser.parse_args()
global only_one
only_one = args.only_one
global no_wait
no_wait = args.no_wait
if args.summary:
global summary_file
summary_file = args.summary
if args.success:
global success_file
success_file = args.success
logging.basicConfig(level=args.loglevel)
try:
if not clf.open("usb"):
print("Could not open connection with an NFC device")
raise SystemExit
if args.command == "write-config":
wps_write_config_tag(clf, wait_remove=not args.no_wait)
raise SystemExit
if args.command == "write-password":
wps_write_password_tag(clf, wait_remove=not args.no_wait)
raise SystemExit
global continue_loop
while continue_loop:
print("Waiting for a tag or peer to be touched")
wait_connection = True
try:
if not clf.connect(rdwr={'on-connect': rdwr_connected},
llcp={'on-startup': llcp_startup,
'on-connect': llcp_connected}):
break
except Exception as e:
print("clf.connect failed")
global srv
if only_one and srv and srv.success:
raise SystemExit
except KeyboardInterrupt:
raise SystemExit
finally:
clf.close()
raise SystemExit
if __name__ == '__main__':
main()

12
hostapd-2.9/src/Makefile Normal file
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@ -0,0 +1,12 @@
SUBDIRS=ap common crypto drivers eapol_auth eapol_supp eap_common eap_peer eap_server l2_packet p2p pae radius rsn_supp tls utils wps
SUBDIRS += fst
all:
for d in $(SUBDIRS); do [ -d $$d ] && $(MAKE) -C $$d; done
clean:
for d in $(SUBDIRS); do [ -d $$d ] && $(MAKE) -C $$d clean; done
rm -f *~
install:
for d in $(SUBDIRS); do [ -d $$d ] && $(MAKE) -C $$d install; done

76
hostapd-2.9/src/ap/Makefile Normal file
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@ -0,0 +1,76 @@
all: libap.a
clean:
rm -f *~ *.o *.d *.gcno *.gcda *.gcov libap.a
install:
@echo Nothing to be made.
include ../lib.rules
CFLAGS += -DHOSTAPD
CFLAGS += -DNEED_AP_MLME
CFLAGS += -DCONFIG_ETH_P_OUI
CFLAGS += -DCONFIG_HS20
CFLAGS += -DCONFIG_INTERWORKING
CFLAGS += -DCONFIG_IEEE80211R
CFLAGS += -DCONFIG_IEEE80211R_AP
CFLAGS += -DCONFIG_IEEE80211W
CFLAGS += -DCONFIG_WPS
CFLAGS += -DCONFIG_PROXYARP
CFLAGS += -DCONFIG_IPV6
CFLAGS += -DCONFIG_IAPP
CFLAGS += -DCONFIG_AIRTIME_POLICY
LIB_OBJS= \
accounting.o \
ap_config.o \
ap_drv_ops.o \
ap_list.o \
ap_mlme.o \
airtime_policy.o \
authsrv.o \
beacon.o \
bss_load.o \
ctrl_iface_ap.o \
dfs.o \
dhcp_snoop.o \
drv_callbacks.o \
eap_user_db.o \
eth_p_oui.o \
gas_serv.o \
hostapd.o \
hs20.o \
hw_features.o \
iapp.o \
ieee802_11_auth.o \
ieee802_11.o \
ieee802_11_ht.o \
ieee802_11_shared.o \
ieee802_11_vht.o \
ieee802_1x.o \
neighbor_db.o \
ndisc_snoop.o \
p2p_hostapd.o \
pmksa_cache_auth.o \
preauth_auth.o \
rrm.o \
sta_info.o \
tkip_countermeasures.o \
utils.o \
vlan.o \
vlan_ifconfig.o \
vlan_init.o \
wmm.o \
wnm_ap.o \
wpa_auth.o \
wpa_auth_ft.o \
wpa_auth_glue.o \
wpa_auth_ie.o \
wps_hostapd.o \
x_snoop.o
libap.a: $(LIB_OBJS)
$(AR) crT $@ $?
-include $(OBJS:%.o=%.d)

547
hostapd-2.9/src/ap/accounting.c Normal file
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@ -0,0 +1,547 @@
/*
* hostapd / RADIUS Accounting
* Copyright (c) 2002-2009, 2012-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "eapol_auth/eapol_auth_sm_i.h"
#include "radius/radius.h"
#include "radius/radius_client.h"
#include "hostapd.h"
#include "ieee802_1x.h"
#include "ap_config.h"
#include "sta_info.h"
#include "ap_drv_ops.h"
#include "accounting.h"
/* Default interval in seconds for polling TX/RX octets from the driver if
* STA is not using interim accounting. This detects wrap arounds for
* input/output octets and updates Acct-{Input,Output}-Gigawords. */
#define ACCT_DEFAULT_UPDATE_INTERVAL 300
static void accounting_sta_interim(struct hostapd_data *hapd,
struct sta_info *sta);
static struct radius_msg * accounting_msg(struct hostapd_data *hapd,
struct sta_info *sta,
int status_type)
{
struct radius_msg *msg;
char buf[128];
u8 *val;
size_t len;
int i;
struct wpabuf *b;
struct os_time now;
msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
radius_client_get_id(hapd->radius));
if (msg == NULL) {
wpa_printf(MSG_INFO, "Could not create new RADIUS packet");
return NULL;
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE,
status_type)) {
wpa_printf(MSG_INFO, "Could not add Acct-Status-Type");
goto fail;
}
if (sta) {
if (!hostapd_config_get_radius_attr(
hapd->conf->radius_acct_req_attr,
RADIUS_ATTR_ACCT_AUTHENTIC) &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
hapd->conf->ieee802_1x ?
RADIUS_ACCT_AUTHENTIC_RADIUS :
RADIUS_ACCT_AUTHENTIC_LOCAL)) {
wpa_printf(MSG_INFO, "Could not add Acct-Authentic");
goto fail;
}
/* Use 802.1X identity if available */
val = ieee802_1x_get_identity(sta->eapol_sm, &len);
/* Use RADIUS ACL identity if 802.1X provides no identity */
if (!val && sta->identity) {
val = (u8 *) sta->identity;
len = os_strlen(sta->identity);
}
/* Use STA MAC if neither 802.1X nor RADIUS ACL provided
* identity */
if (!val) {
os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT,
MAC2STR(sta->addr));
val = (u8 *) buf;
len = os_strlen(buf);
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, val,
len)) {
wpa_printf(MSG_INFO, "Could not add User-Name");
goto fail;
}
}
if (add_common_radius_attr(hapd, hapd->conf->radius_acct_req_attr, sta,
msg) < 0)
goto fail;
if (sta && add_sqlite_radius_attr(hapd, sta, msg, 1) < 0)
goto fail;
if (sta) {
for (i = 0; ; i++) {
val = ieee802_1x_get_radius_class(sta->eapol_sm, &len,
i);
if (val == NULL)
break;
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CLASS,
val, len)) {
wpa_printf(MSG_INFO, "Could not add Class");
goto fail;
}
}
b = ieee802_1x_get_radius_cui(sta->eapol_sm);
if (b &&
!radius_msg_add_attr(msg,
RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
wpabuf_head(b), wpabuf_len(b))) {
wpa_printf(MSG_ERROR, "Could not add CUI");
goto fail;
}
if (!b && sta->radius_cui &&
!radius_msg_add_attr(msg,
RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
(u8 *) sta->radius_cui,
os_strlen(sta->radius_cui))) {
wpa_printf(MSG_ERROR, "Could not add CUI from ACL");
goto fail;
}
if (sta->ipaddr &&
!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_FRAMED_IP_ADDRESS,
be_to_host32(sta->ipaddr))) {
wpa_printf(MSG_ERROR,
"Could not add Framed-IP-Address");
goto fail;
}
}
os_get_time(&now);
if (now.sec > 1000000000 &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
now.sec)) {
wpa_printf(MSG_INFO, "Could not add Event-Timestamp");
goto fail;
}
/*
* Add Acct-Delay-Time with zero value for the first transmission. This
* will be updated within radius_client.c when retransmitting the frame.
*/
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_DELAY_TIME, 0)) {
wpa_printf(MSG_INFO, "Could not add Acct-Delay-Time");
goto fail;
}
return msg;
fail:
radius_msg_free(msg);
return NULL;
}
static int accounting_sta_update_stats(struct hostapd_data *hapd,
struct sta_info *sta,
struct hostap_sta_driver_data *data)
{
if (hostapd_drv_read_sta_data(hapd, data, sta->addr))
return -1;
if (!data->bytes_64bit) {
/* Extend 32-bit counters from the driver to 64-bit counters */
if (sta->last_rx_bytes_lo > data->rx_bytes)
sta->last_rx_bytes_hi++;
sta->last_rx_bytes_lo = data->rx_bytes;
if (sta->last_tx_bytes_lo > data->tx_bytes)
sta->last_tx_bytes_hi++;
sta->last_tx_bytes_lo = data->tx_bytes;
}
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_DEBUG,
"updated TX/RX stats: rx_bytes=%llu [%u:%u] tx_bytes=%llu [%u:%u] bytes_64bit=%d",
data->rx_bytes, sta->last_rx_bytes_hi,
sta->last_rx_bytes_lo,
data->tx_bytes, sta->last_tx_bytes_hi,
sta->last_tx_bytes_lo,
data->bytes_64bit);
return 0;
}
static void accounting_interim_update(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_data *hapd = eloop_ctx;
struct sta_info *sta = timeout_ctx;
int interval;
if (sta->acct_interim_interval) {
accounting_sta_interim(hapd, sta);
interval = sta->acct_interim_interval;
} else {
struct hostap_sta_driver_data data;
accounting_sta_update_stats(hapd, sta, &data);
interval = ACCT_DEFAULT_UPDATE_INTERVAL;
}
eloop_register_timeout(interval, 0, accounting_interim_update,
hapd, sta);
}
/**
* accounting_sta_start - Start STA accounting
* @hapd: hostapd BSS data
* @sta: The station
*/
void accounting_sta_start(struct hostapd_data *hapd, struct sta_info *sta)
{
struct radius_msg *msg;
int interval;
if (sta->acct_session_started)
return;
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
"starting accounting session %016llX",
(unsigned long long) sta->acct_session_id);
os_get_reltime(&sta->acct_session_start);
sta->last_rx_bytes_hi = 0;
sta->last_rx_bytes_lo = 0;
sta->last_tx_bytes_hi = 0;
sta->last_tx_bytes_lo = 0;
hostapd_drv_sta_clear_stats(hapd, sta->addr);
if (!hapd->conf->radius->acct_server)
return;
if (sta->acct_interim_interval)
interval = sta->acct_interim_interval;
else
interval = ACCT_DEFAULT_UPDATE_INTERVAL;
eloop_register_timeout(interval, 0, accounting_interim_update,
hapd, sta);
msg = accounting_msg(hapd, sta, RADIUS_ACCT_STATUS_TYPE_START);
if (msg &&
radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr) < 0)
radius_msg_free(msg);
sta->acct_session_started = 1;
}
static void accounting_sta_report(struct hostapd_data *hapd,
struct sta_info *sta, int stop)
{
struct radius_msg *msg;
int cause = sta->acct_terminate_cause;
struct hostap_sta_driver_data data;
struct os_reltime now_r, diff;
u64 bytes;
if (!hapd->conf->radius->acct_server)
return;
msg = accounting_msg(hapd, sta,
stop ? RADIUS_ACCT_STATUS_TYPE_STOP :
RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE);
if (!msg) {
wpa_printf(MSG_INFO, "Could not create RADIUS Accounting message");
return;
}
os_get_reltime(&now_r);
os_reltime_sub(&now_r, &sta->acct_session_start, &diff);
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_SESSION_TIME,
diff.sec)) {
wpa_printf(MSG_INFO, "Could not add Acct-Session-Time");
goto fail;
}
if (accounting_sta_update_stats(hapd, sta, &data) == 0) {
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_INPUT_PACKETS,
data.rx_packets)) {
wpa_printf(MSG_INFO, "Could not add Acct-Input-Packets");
goto fail;
}
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_OUTPUT_PACKETS,
data.tx_packets)) {
wpa_printf(MSG_INFO, "Could not add Acct-Output-Packets");
goto fail;
}
if (data.bytes_64bit)
bytes = data.rx_bytes;
else
bytes = ((u64) sta->last_rx_bytes_hi << 32) |
sta->last_rx_bytes_lo;
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_INPUT_OCTETS,
(u32) bytes)) {
wpa_printf(MSG_INFO, "Could not add Acct-Input-Octets");
goto fail;
}
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_INPUT_GIGAWORDS,
(u32) (bytes >> 32))) {
wpa_printf(MSG_INFO, "Could not add Acct-Input-Gigawords");
goto fail;
}
if (data.bytes_64bit)
bytes = data.tx_bytes;
else
bytes = ((u64) sta->last_tx_bytes_hi << 32) |
sta->last_tx_bytes_lo;
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_OUTPUT_OCTETS,
(u32) bytes)) {
wpa_printf(MSG_INFO, "Could not add Acct-Output-Octets");
goto fail;
}
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS,
(u32) (bytes >> 32))) {
wpa_printf(MSG_INFO, "Could not add Acct-Output-Gigawords");
goto fail;
}
}
if (eloop_terminated())
cause = RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT;
if (stop && cause &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE,
cause)) {
wpa_printf(MSG_INFO, "Could not add Acct-Terminate-Cause");
goto fail;
}
if (radius_client_send(hapd->radius, msg,
stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM,
sta->addr) < 0)
goto fail;
return;
fail:
radius_msg_free(msg);
}
/**
* accounting_sta_interim - Send a interim STA accounting report
* @hapd: hostapd BSS data
* @sta: The station
*/
static void accounting_sta_interim(struct hostapd_data *hapd,
struct sta_info *sta)
{
if (sta->acct_session_started)
accounting_sta_report(hapd, sta, 0);
}
/**
* accounting_sta_stop - Stop STA accounting
* @hapd: hostapd BSS data
* @sta: The station
*/
void accounting_sta_stop(struct hostapd_data *hapd, struct sta_info *sta)
{
if (sta->acct_session_started) {
accounting_sta_report(hapd, sta, 1);
eloop_cancel_timeout(accounting_interim_update, hapd, sta);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
"stopped accounting session %016llX",
(unsigned long long) sta->acct_session_id);
sta->acct_session_started = 0;
}
}
int accounting_sta_get_id(struct hostapd_data *hapd, struct sta_info *sta)
{
return radius_gen_session_id((u8 *) &sta->acct_session_id,
sizeof(sta->acct_session_id));
}
/**
* accounting_receive - Process the RADIUS frames from Accounting Server
* @msg: RADIUS response message
* @req: RADIUS request message
* @shared_secret: RADIUS shared secret
* @shared_secret_len: Length of shared_secret in octets
* @data: Context data (struct hostapd_data *)
* Returns: Processing status
*/
static RadiusRxResult
accounting_receive(struct radius_msg *msg, struct radius_msg *req,
const u8 *shared_secret, size_t shared_secret_len,
void *data)
{
if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCOUNTING_RESPONSE) {
wpa_printf(MSG_INFO, "Unknown RADIUS message code");
return RADIUS_RX_UNKNOWN;
}
if (radius_msg_verify(msg, shared_secret, shared_secret_len, req, 0)) {
wpa_printf(MSG_INFO, "Incoming RADIUS packet did not have correct Authenticator - dropped");
return RADIUS_RX_INVALID_AUTHENTICATOR;
}
return RADIUS_RX_PROCESSED;
}
static void accounting_report_state(struct hostapd_data *hapd, int on)
{
struct radius_msg *msg;
if (!hapd->conf->radius->acct_server || hapd->radius == NULL)
return;
/* Inform RADIUS server that accounting will start/stop so that the
* server can close old accounting sessions. */
msg = accounting_msg(hapd, NULL,
on ? RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_ON :
RADIUS_ACCT_STATUS_TYPE_ACCOUNTING_OFF);
if (!msg)
return;
if (hapd->acct_session_id) {
char buf[20];
os_snprintf(buf, sizeof(buf), "%016llX",
(unsigned long long) hapd->acct_session_id);
if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
(u8 *) buf, os_strlen(buf)))
wpa_printf(MSG_ERROR, "Could not add Acct-Session-Id");
}
if (radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL) < 0)
radius_msg_free(msg);
}
static void accounting_interim_error_cb(const u8 *addr, void *ctx)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
unsigned int i, wait_time;
int res;
sta = ap_get_sta(hapd, addr);
if (!sta)
return;
sta->acct_interim_errors++;
if (sta->acct_interim_errors > 10 /* RADIUS_CLIENT_MAX_RETRIES */) {
wpa_printf(MSG_DEBUG,
"Interim RADIUS accounting update failed for " MACSTR
" - too many errors, abandon this interim accounting update",
MAC2STR(addr));
sta->acct_interim_errors = 0;
/* Next update will be tried after normal update interval */
return;
}
/*
* Use a shorter update interval as an improved retransmission mechanism
* for failed interim accounting updates. This allows the statistics to
* be updated for each retransmission.
*
* RADIUS client code has already waited RADIUS_CLIENT_FIRST_WAIT.
* Schedule the first retry attempt immediately and every following one
* with exponential backoff.
*/
if (sta->acct_interim_errors == 1) {
wait_time = 0;
} else {
wait_time = 3; /* RADIUS_CLIENT_FIRST_WAIT */
for (i = 1; i < sta->acct_interim_errors; i++)
wait_time *= 2;
}
res = eloop_deplete_timeout(wait_time, 0, accounting_interim_update,
hapd, sta);
if (res == 1)
wpa_printf(MSG_DEBUG,
"Interim RADIUS accounting update failed for " MACSTR
" (error count: %u) - schedule next update in %u seconds",
MAC2STR(addr), sta->acct_interim_errors, wait_time);
else if (res == 0)
wpa_printf(MSG_DEBUG,
"Interim RADIUS accounting update failed for " MACSTR
" (error count: %u)", MAC2STR(addr),
sta->acct_interim_errors);
else
wpa_printf(MSG_DEBUG,
"Interim RADIUS accounting update failed for " MACSTR
" (error count: %u) - no timer found", MAC2STR(addr),
sta->acct_interim_errors);
}
/**
* accounting_init: Initialize accounting
* @hapd: hostapd BSS data
* Returns: 0 on success, -1 on failure
*/
int accounting_init(struct hostapd_data *hapd)
{
if (radius_gen_session_id((u8 *) &hapd->acct_session_id,
sizeof(hapd->acct_session_id)) < 0)
return -1;
if (radius_client_register(hapd->radius, RADIUS_ACCT,
accounting_receive, hapd))
return -1;
radius_client_set_interim_error_cb(hapd->radius,
accounting_interim_error_cb, hapd);
accounting_report_state(hapd, 1);
return 0;
}
/**
* accounting_deinit: Deinitialize accounting
* @hapd: hostapd BSS data
*/
void accounting_deinit(struct hostapd_data *hapd)
{
accounting_report_state(hapd, 0);
}

45
hostapd-2.9/src/ap/accounting.h Normal file
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@ -0,0 +1,45 @@
/*
* hostapd / RADIUS Accounting
* Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef ACCOUNTING_H
#define ACCOUNTING_H
#ifdef CONFIG_NO_ACCOUNTING
static inline int accounting_sta_get_id(struct hostapd_data *hapd,
struct sta_info *sta)
{
return 0;
}
static inline void accounting_sta_start(struct hostapd_data *hapd,
struct sta_info *sta)
{
}
static inline void accounting_sta_stop(struct hostapd_data *hapd,
struct sta_info *sta)
{
}
static inline int accounting_init(struct hostapd_data *hapd)
{
return 0;
}
static inline void accounting_deinit(struct hostapd_data *hapd)
{
}
#else /* CONFIG_NO_ACCOUNTING */
int accounting_sta_get_id(struct hostapd_data *hapd, struct sta_info *sta);
void accounting_sta_start(struct hostapd_data *hapd, struct sta_info *sta);
void accounting_sta_stop(struct hostapd_data *hapd, struct sta_info *sta);
int accounting_init(struct hostapd_data *hapd);
void accounting_deinit(struct hostapd_data *hapd);
#endif /* CONFIG_NO_ACCOUNTING */
#endif /* ACCOUNTING_H */

986
hostapd-2.9/src/ap/acs.c Normal file
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/*
* ACS - Automatic Channel Selection module
* Copyright (c) 2011, Atheros Communications
* Copyright (c) 2013, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include <math.h>
#include "utils/common.h"
#include "utils/list.h"
#include "common/ieee802_11_defs.h"
#include "common/hw_features_common.h"
#include "common/wpa_ctrl.h"
#include "drivers/driver.h"
#include "hostapd.h"
#include "ap_drv_ops.h"
#include "ap_config.h"
#include "hw_features.h"
#include "acs.h"
/*
* Automatic Channel Selection
* ===========================
*
* More info at
* ------------
* http://wireless.kernel.org/en/users/Documentation/acs
*
* How to use
* ----------
* - make sure you have CONFIG_ACS=y in hostapd's .config
* - use channel=0 or channel=acs to enable ACS
*
* How does it work
* ----------------
* 1. passive scans are used to collect survey data
* (it is assumed that scan trigger collection of survey data in driver)
* 2. interference factor is calculated for each channel
* 3. ideal channel is picked depending on channel width by using adjacent
* channel interference factors
*
* Known limitations
* -----------------
* - Current implementation depends heavily on the amount of time willing to
* spend gathering survey data during hostapd startup. Short traffic bursts
* may be missed and a suboptimal channel may be picked.
* - Ideal channel may end up overlapping a channel with 40 MHz intolerant BSS
*
* Todo / Ideas
* ------------
* - implement other interference computation methods
* - BSS/RSSI based
* - spectral scan based
* (should be possibly to hook this up with current ACS scans)
* - add wpa_supplicant support (for P2P)
* - collect a histogram of interference over time allowing more educated
* guess about an ideal channel (perhaps CSA could be used to migrate AP to a
* new "better" channel while running)
* - include neighboring BSS scan to avoid conflicts with 40 MHz intolerant BSSs
* when choosing the ideal channel
*
* Survey interference factor implementation details
* -------------------------------------------------
* Generic interference_factor in struct hostapd_channel_data is used.
*
* The survey interference factor is defined as the ratio of the
* observed busy time over the time we spent on the channel,
* this value is then amplified by the observed noise floor on
* the channel in comparison to the lowest noise floor observed
* on the entire band.
*
* This corresponds to:
* ---
* (busy time - tx time) / (active time - tx time) * 2^(chan_nf + band_min_nf)
* ---
*
* The coefficient of 2 reflects the way power in "far-field"
* radiation decreases as the square of distance from the antenna [1].
* What this does is it decreases the observed busy time ratio if the
* noise observed was low but increases it if the noise was high,
* proportionally to the way "far field" radiation changes over
* distance.
*
* If channel busy time is not available the fallback is to use channel RX time.
*
* Since noise floor is in dBm it is necessary to convert it into Watts so that
* combined channel interference (e.g., HT40, which uses two channels) can be
* calculated easily.
* ---
* (busy time - tx time) / (active time - tx time) *
* 2^(10^(chan_nf/10) + 10^(band_min_nf/10))
* ---
*
* However to account for cases where busy/rx time is 0 (channel load is then
* 0%) channel noise floor signal power is combined into the equation so a
* channel with lower noise floor is preferred. The equation becomes:
* ---
* 10^(chan_nf/5) + (busy time - tx time) / (active time - tx time) *
* 2^(10^(chan_nf/10) + 10^(band_min_nf/10))
* ---
*
* All this "interference factor" is purely subjective and only time
* will tell how usable this is. By using the minimum noise floor we
* remove any possible issues due to card calibration. The computation
* of the interference factor then is dependent on what the card itself
* picks up as the minimum noise, not an actual real possible card
* noise value.
*
* Total interference computation details
* --------------------------------------
* The above channel interference factor is calculated with no respect to
* target operational bandwidth.
*
* To find an ideal channel the above data is combined by taking into account
* the target operational bandwidth and selected band. E.g., on 2.4 GHz channels
* overlap with 20 MHz bandwidth, but there is no overlap for 20 MHz bandwidth
* on 5 GHz.
*
* Each valid and possible channel spec (i.e., channel + width) is taken and its
* interference factor is computed by summing up interferences of each channel
* it overlaps. The one with least total interference is picked up.
*
* Note: This implies base channel interference factor must be non-negative
* allowing easy summing up.
*
* Example ACS analysis printout
* -----------------------------
*
* ACS: Trying survey-based ACS
* ACS: Survey analysis for channel 1 (2412 MHz)
* ACS: 1: min_nf=-113 interference_factor=0.0802469 nf=-113 time=162 busy=0 rx=13
* ACS: 2: min_nf=-113 interference_factor=0.0745342 nf=-113 time=161 busy=0 rx=12
* ACS: 3: min_nf=-113 interference_factor=0.0679012 nf=-113 time=162 busy=0 rx=11
* ACS: 4: min_nf=-113 interference_factor=0.0310559 nf=-113 time=161 busy=0 rx=5
* ACS: 5: min_nf=-113 interference_factor=0.0248447 nf=-113 time=161 busy=0 rx=4
* ACS: * interference factor average: 0.0557166
* ACS: Survey analysis for channel 2 (2417 MHz)
* ACS: 1: min_nf=-113 interference_factor=0.0185185 nf=-113 time=162 busy=0 rx=3
* ACS: 2: min_nf=-113 interference_factor=0.0246914 nf=-113 time=162 busy=0 rx=4
* ACS: 3: min_nf=-113 interference_factor=0.037037 nf=-113 time=162 busy=0 rx=6
* ACS: 4: min_nf=-113 interference_factor=0.149068 nf=-113 time=161 busy=0 rx=24
* ACS: 5: min_nf=-113 interference_factor=0.0248447 nf=-113 time=161 busy=0 rx=4
* ACS: * interference factor average: 0.050832
* ACS: Survey analysis for channel 3 (2422 MHz)
* ACS: 1: min_nf=-113 interference_factor=2.51189e-23 nf=-113 time=162 busy=0 rx=0
* ACS: 2: min_nf=-113 interference_factor=0.0185185 nf=-113 time=162 busy=0 rx=3
* ACS: 3: min_nf=-113 interference_factor=0.0186335 nf=-113 time=161 busy=0 rx=3
* ACS: 4: min_nf=-113 interference_factor=0.0186335 nf=-113 time=161 busy=0 rx=3
* ACS: 5: min_nf=-113 interference_factor=0.0186335 nf=-113 time=161 busy=0 rx=3
* ACS: * interference factor average: 0.0148838
* ACS: Survey analysis for channel 4 (2427 MHz)
* ACS: 1: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=162 busy=0 rx=0
* ACS: 2: min_nf=-114 interference_factor=0.0555556 nf=-114 time=162 busy=0 rx=9
* ACS: 3: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=161 busy=0 rx=0
* ACS: 4: min_nf=-114 interference_factor=0.0186335 nf=-114 time=161 busy=0 rx=3
* ACS: 5: min_nf=-114 interference_factor=0.00621118 nf=-114 time=161 busy=0 rx=1
* ACS: * interference factor average: 0.0160801
* ACS: Survey analysis for channel 5 (2432 MHz)
* ACS: 1: min_nf=-114 interference_factor=0.409938 nf=-113 time=161 busy=0 rx=66
* ACS: 2: min_nf=-114 interference_factor=0.0432099 nf=-113 time=162 busy=0 rx=7
* ACS: 3: min_nf=-114 interference_factor=0.0124224 nf=-113 time=161 busy=0 rx=2
* ACS: 4: min_nf=-114 interference_factor=0.677019 nf=-113 time=161 busy=0 rx=109
* ACS: 5: min_nf=-114 interference_factor=0.0186335 nf=-114 time=161 busy=0 rx=3
* ACS: * interference factor average: 0.232244
* ACS: Survey analysis for channel 6 (2437 MHz)
* ACS: 1: min_nf=-113 interference_factor=0.552795 nf=-113 time=161 busy=0 rx=89
* ACS: 2: min_nf=-113 interference_factor=0.0807453 nf=-112 time=161 busy=0 rx=13
* ACS: 3: min_nf=-113 interference_factor=0.0310559 nf=-113 time=161 busy=0 rx=5
* ACS: 4: min_nf=-113 interference_factor=0.434783 nf=-112 time=161 busy=0 rx=70
* ACS: 5: min_nf=-113 interference_factor=0.0621118 nf=-113 time=161 busy=0 rx=10
* ACS: * interference factor average: 0.232298
* ACS: Survey analysis for channel 7 (2442 MHz)
* ACS: 1: min_nf=-113 interference_factor=0.440994 nf=-112 time=161 busy=0 rx=71
* ACS: 2: min_nf=-113 interference_factor=0.385093 nf=-113 time=161 busy=0 rx=62
* ACS: 3: min_nf=-113 interference_factor=0.0372671 nf=-113 time=161 busy=0 rx=6
* ACS: 4: min_nf=-113 interference_factor=0.0372671 nf=-113 time=161 busy=0 rx=6
* ACS: 5: min_nf=-113 interference_factor=0.0745342 nf=-113 time=161 busy=0 rx=12
* ACS: * interference factor average: 0.195031
* ACS: Survey analysis for channel 8 (2447 MHz)
* ACS: 1: min_nf=-114 interference_factor=0.0496894 nf=-112 time=161 busy=0 rx=8
* ACS: 2: min_nf=-114 interference_factor=0.0496894 nf=-114 time=161 busy=0 rx=8
* ACS: 3: min_nf=-114 interference_factor=0.0372671 nf=-113 time=161 busy=0 rx=6
* ACS: 4: min_nf=-114 interference_factor=0.12963 nf=-113 time=162 busy=0 rx=21
* ACS: 5: min_nf=-114 interference_factor=0.166667 nf=-114 time=162 busy=0 rx=27
* ACS: * interference factor average: 0.0865885
* ACS: Survey analysis for channel 9 (2452 MHz)
* ACS: 1: min_nf=-114 interference_factor=0.0124224 nf=-114 time=161 busy=0 rx=2
* ACS: 2: min_nf=-114 interference_factor=0.0310559 nf=-114 time=161 busy=0 rx=5
* ACS: 3: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=161 busy=0 rx=0
* ACS: 4: min_nf=-114 interference_factor=0.00617284 nf=-114 time=162 busy=0 rx=1
* ACS: 5: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=162 busy=0 rx=0
* ACS: * interference factor average: 0.00993022
* ACS: Survey analysis for channel 10 (2457 MHz)
* ACS: 1: min_nf=-114 interference_factor=0.00621118 nf=-114 time=161 busy=0 rx=1
* ACS: 2: min_nf=-114 interference_factor=0.00621118 nf=-114 time=161 busy=0 rx=1
* ACS: 3: min_nf=-114 interference_factor=0.00621118 nf=-114 time=161 busy=0 rx=1
* ACS: 4: min_nf=-114 interference_factor=0.0493827 nf=-114 time=162 busy=0 rx=8
* ACS: 5: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=162 busy=0 rx=0
* ACS: * interference factor average: 0.0136033
* ACS: Survey analysis for channel 11 (2462 MHz)
* ACS: 1: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=161 busy=0 rx=0
* ACS: 2: min_nf=-114 interference_factor=2.51189e-23 nf=-113 time=161 busy=0 rx=0
* ACS: 3: min_nf=-114 interference_factor=2.51189e-23 nf=-113 time=161 busy=0 rx=0
* ACS: 4: min_nf=-114 interference_factor=0.0432099 nf=-114 time=162 busy=0 rx=7
* ACS: 5: min_nf=-114 interference_factor=0.0925926 nf=-114 time=162 busy=0 rx=15
* ACS: * interference factor average: 0.0271605
* ACS: Survey analysis for channel 12 (2467 MHz)
* ACS: 1: min_nf=-114 interference_factor=0.0621118 nf=-113 time=161 busy=0 rx=10
* ACS: 2: min_nf=-114 interference_factor=0.00621118 nf=-114 time=161 busy=0 rx=1
* ACS: 3: min_nf=-114 interference_factor=2.51189e-23 nf=-113 time=162 busy=0 rx=0
* ACS: 4: min_nf=-114 interference_factor=2.51189e-23 nf=-113 time=162 busy=0 rx=0
* ACS: 5: min_nf=-114 interference_factor=0.00617284 nf=-113 time=162 busy=0 rx=1
* ACS: * interference factor average: 0.0148992
* ACS: Survey analysis for channel 13 (2472 MHz)
* ACS: 1: min_nf=-114 interference_factor=0.0745342 nf=-114 time=161 busy=0 rx=12
* ACS: 2: min_nf=-114 interference_factor=0.0555556 nf=-114 time=162 busy=0 rx=9
* ACS: 3: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=162 busy=0 rx=0
* ACS: 4: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=162 busy=0 rx=0
* ACS: 5: min_nf=-114 interference_factor=1.58489e-23 nf=-114 time=162 busy=0 rx=0
* ACS: * interference factor average: 0.0260179
* ACS: Survey analysis for selected bandwidth 20MHz
* ACS: * channel 1: total interference = 0.121432
* ACS: * channel 2: total interference = 0.137512
* ACS: * channel 3: total interference = 0.369757
* ACS: * channel 4: total interference = 0.546338
* ACS: * channel 5: total interference = 0.690538
* ACS: * channel 6: total interference = 0.762242
* ACS: * channel 7: total interference = 0.756092
* ACS: * channel 8: total interference = 0.537451
* ACS: * channel 9: total interference = 0.332313
* ACS: * channel 10: total interference = 0.152182
* ACS: * channel 11: total interference = 0.0916111
* ACS: * channel 12: total interference = 0.0816809
* ACS: * channel 13: total interference = 0.0680776
* ACS: Ideal channel is 13 (2472 MHz) with total interference factor of 0.0680776
*
* [1] http://en.wikipedia.org/wiki/Near_and_far_field
*/
static int acs_request_scan(struct hostapd_iface *iface);
static int acs_survey_is_sufficient(struct freq_survey *survey);
static void acs_clean_chan_surveys(struct hostapd_channel_data *chan)
{
struct freq_survey *survey, *tmp;
if (dl_list_empty(&chan->survey_list))
return;
dl_list_for_each_safe(survey, tmp, &chan->survey_list,
struct freq_survey, list) {
dl_list_del(&survey->list);
os_free(survey);
}
}
void acs_cleanup(struct hostapd_iface *iface)
{
int i;
struct hostapd_channel_data *chan;
for (i = 0; i < iface->current_mode->num_channels; i++) {
chan = &iface->current_mode->channels[i];
if (chan->flag & HOSTAPD_CHAN_SURVEY_LIST_INITIALIZED)
acs_clean_chan_surveys(chan);
dl_list_init(&chan->survey_list);
chan->flag |= HOSTAPD_CHAN_SURVEY_LIST_INITIALIZED;
chan->min_nf = 0;
}
iface->chans_surveyed = 0;
iface->acs_num_completed_scans = 0;
}
static void acs_fail(struct hostapd_iface *iface)
{
wpa_printf(MSG_ERROR, "ACS: Failed to start");
acs_cleanup(iface);
hostapd_disable_iface(iface);
}
static long double
acs_survey_interference_factor(struct freq_survey *survey, s8 min_nf)
{
long double factor, busy, total;
if (survey->filled & SURVEY_HAS_CHAN_TIME_BUSY)
busy = survey->channel_time_busy;
else if (survey->filled & SURVEY_HAS_CHAN_TIME_RX)
busy = survey->channel_time_rx;
else {
/* This shouldn't really happen as survey data is checked in
* acs_sanity_check() */
wpa_printf(MSG_ERROR, "ACS: Survey data missing");
return 0;
}
total = survey->channel_time;
if (survey->filled & SURVEY_HAS_CHAN_TIME_TX) {
busy -= survey->channel_time_tx;
total -= survey->channel_time_tx;
}
/* TODO: figure out the best multiplier for noise floor base */
factor = pow(10, survey->nf / 5.0L) +
(total ? (busy / total) : 0) *
pow(2, pow(10, (long double) survey->nf / 10.0L) -
pow(10, (long double) min_nf / 10.0L));
return factor;
}
static void
acs_survey_chan_interference_factor(struct hostapd_iface *iface,
struct hostapd_channel_data *chan)
{
struct freq_survey *survey;
unsigned int i = 0;
long double int_factor = 0;
unsigned count = 0;
if (dl_list_empty(&chan->survey_list) ||
(chan->flag & HOSTAPD_CHAN_DISABLED))
return;
chan->interference_factor = 0;
dl_list_for_each(survey, &chan->survey_list, struct freq_survey, list)
{
i++;
if (!acs_survey_is_sufficient(survey)) {
wpa_printf(MSG_DEBUG, "ACS: %d: insufficient data", i);
continue;
}
count++;
int_factor = acs_survey_interference_factor(survey,
iface->lowest_nf);
chan->interference_factor += int_factor;
wpa_printf(MSG_DEBUG, "ACS: %d: min_nf=%d interference_factor=%Lg nf=%d time=%lu busy=%lu rx=%lu",
i, chan->min_nf, int_factor,
survey->nf, (unsigned long) survey->channel_time,
(unsigned long) survey->channel_time_busy,
(unsigned long) survey->channel_time_rx);
}
if (count)
chan->interference_factor /= count;
}
static int acs_usable_ht40_chan(const struct hostapd_channel_data *chan)
{
const int allowed[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149,
157, 184, 192 };
unsigned int i;
for (i = 0; i < ARRAY_SIZE(allowed); i++)
if (chan->chan == allowed[i])
return 1;
return 0;
}
static int acs_usable_vht80_chan(const struct hostapd_channel_data *chan)
{
const int allowed[] = { 36, 52, 100, 116, 132, 149 };
unsigned int i;
for (i = 0; i < ARRAY_SIZE(allowed); i++)
if (chan->chan == allowed[i])
return 1;
return 0;
}
static int acs_usable_vht160_chan(const struct hostapd_channel_data *chan)
{
const int allowed[] = { 36, 100 };
unsigned int i;
for (i = 0; i < ARRAY_SIZE(allowed); i++)
if (chan->chan == allowed[i])
return 1;
return 0;
}
static int acs_survey_is_sufficient(struct freq_survey *survey)
{
if (!(survey->filled & SURVEY_HAS_NF)) {
wpa_printf(MSG_INFO, "ACS: Survey is missing noise floor");
return 0;
}
if (!(survey->filled & SURVEY_HAS_CHAN_TIME)) {
wpa_printf(MSG_INFO, "ACS: Survey is missing channel time");
return 0;
}
if (!(survey->filled & SURVEY_HAS_CHAN_TIME_BUSY) &&
!(survey->filled & SURVEY_HAS_CHAN_TIME_RX)) {
wpa_printf(MSG_INFO,
"ACS: Survey is missing RX and busy time (at least one is required)");
return 0;
}
return 1;
}
static int acs_survey_list_is_sufficient(struct hostapd_channel_data *chan)
{
struct freq_survey *survey;
int ret = -1;
dl_list_for_each(survey, &chan->survey_list, struct freq_survey, list)
{
if (acs_survey_is_sufficient(survey)) {
ret = 1;
break;
}
ret = 0;
}
if (ret == -1)
ret = 1; /* no survey list entries */
if (!ret) {
wpa_printf(MSG_INFO,
"ACS: Channel %d has insufficient survey data",
chan->chan);
}
return ret;
}
static int acs_surveys_are_sufficient(struct hostapd_iface *iface)
{
int i;
struct hostapd_channel_data *chan;
int valid = 0;
for (i = 0; i < iface->current_mode->num_channels; i++) {
chan = &iface->current_mode->channels[i];
if (!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
acs_survey_list_is_sufficient(chan))
valid++;
}
/* We need at least survey data for one channel */
return !!valid;
}
static int acs_usable_chan(struct hostapd_channel_data *chan)
{
return !dl_list_empty(&chan->survey_list) &&
!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
acs_survey_list_is_sufficient(chan);
}
static int is_in_chanlist(struct hostapd_iface *iface,
struct hostapd_channel_data *chan)
{
if (!iface->conf->acs_ch_list.num)
return 1;
return freq_range_list_includes(&iface->conf->acs_ch_list, chan->chan);
}
static void acs_survey_all_chans_intereference_factor(
struct hostapd_iface *iface)
{
int i;
struct hostapd_channel_data *chan;
for (i = 0; i < iface->current_mode->num_channels; i++) {
chan = &iface->current_mode->channels[i];
if (!acs_usable_chan(chan))
continue;
if (!is_in_chanlist(iface, chan))
continue;
wpa_printf(MSG_DEBUG, "ACS: Survey analysis for channel %d (%d MHz)",
chan->chan, chan->freq);
acs_survey_chan_interference_factor(iface, chan);
wpa_printf(MSG_DEBUG, "ACS: * interference factor average: %Lg",
chan->interference_factor);
}
}
static struct hostapd_channel_data *acs_find_chan(struct hostapd_iface *iface,
int freq)
{
struct hostapd_channel_data *chan;
int i;
for (i = 0; i < iface->current_mode->num_channels; i++) {
chan = &iface->current_mode->channels[i];
if (chan->flag & HOSTAPD_CHAN_DISABLED)
continue;
if (chan->freq == freq)
return chan;
}
return NULL;
}
static int is_24ghz_mode(enum hostapd_hw_mode mode)
{
return mode == HOSTAPD_MODE_IEEE80211B ||
mode == HOSTAPD_MODE_IEEE80211G;
}
static int is_common_24ghz_chan(int chan)
{
return chan == 1 || chan == 6 || chan == 11;
}
#ifndef ACS_ADJ_WEIGHT
#define ACS_ADJ_WEIGHT 0.85
#endif /* ACS_ADJ_WEIGHT */
#ifndef ACS_NEXT_ADJ_WEIGHT
#define ACS_NEXT_ADJ_WEIGHT 0.55
#endif /* ACS_NEXT_ADJ_WEIGHT */
#ifndef ACS_24GHZ_PREFER_1_6_11
/*
* Select commonly used channels 1, 6, 11 by default even if a neighboring
* channel has a smaller interference factor as long as it is not better by more
* than this multiplier.
*/
#define ACS_24GHZ_PREFER_1_6_11 0.8
#endif /* ACS_24GHZ_PREFER_1_6_11 */
/*
* At this point it's assumed chan->interface_factor has been computed.
* This function should be reusable regardless of interference computation
* option (survey, BSS, spectral, ...). chan->interference factor must be
* summable (i.e., must be always greater than zero).
*/
static struct hostapd_channel_data *
acs_find_ideal_chan(struct hostapd_iface *iface)
{
struct hostapd_channel_data *chan, *adj_chan, *ideal_chan = NULL,
*rand_chan = NULL;
long double factor, ideal_factor = 0;
int i, j;
int n_chans = 1;
u32 bw;
unsigned int k;
/* TODO: HT40- support */
if (iface->conf->ieee80211n &&
iface->conf->secondary_channel == -1) {
wpa_printf(MSG_ERROR, "ACS: HT40- is not supported yet. Please try HT40+");
return NULL;
}
if (iface->conf->ieee80211n &&
iface->conf->secondary_channel)
n_chans = 2;
if (iface->conf->ieee80211ac || iface->conf->ieee80211ax) {
switch (hostapd_get_oper_chwidth(iface->conf)) {
case CHANWIDTH_80MHZ:
n_chans = 4;
break;
case CHANWIDTH_160MHZ:
n_chans = 8;
break;
}
}
bw = num_chan_to_bw(n_chans);
/* TODO: VHT/HE80+80. Update acs_adjust_center_freq() too. */
wpa_printf(MSG_DEBUG,
"ACS: Survey analysis for selected bandwidth %d MHz", bw);
for (i = 0; i < iface->current_mode->num_channels; i++) {
double total_weight;
struct acs_bias *bias, tmp_bias;
chan = &iface->current_mode->channels[i];
/* Since in the current ACS implementation the first channel is
* always a primary channel, skip channels not available as
* primary until more sophisticated channel selection is
* implemented. */
if (!chan_pri_allowed(chan))
continue;
if (!is_in_chanlist(iface, chan))
continue;
if (!chan_bw_allowed(chan, bw, 1, 1)) {
wpa_printf(MSG_DEBUG,
"ACS: Channel %d: BW %u is not supported",
chan->chan, bw);
continue;
}
/* HT40 on 5 GHz has a limited set of primary channels as per
* 11n Annex J */
if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211A &&
iface->conf->ieee80211n &&
iface->conf->secondary_channel &&
!acs_usable_ht40_chan(chan)) {
wpa_printf(MSG_DEBUG, "ACS: Channel %d: not allowed as primary channel for HT40",
chan->chan);
continue;
}
if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211A &&
(iface->conf->ieee80211ac || iface->conf->ieee80211ax)) {
if (hostapd_get_oper_chwidth(iface->conf) ==
CHANWIDTH_80MHZ &&
!acs_usable_vht80_chan(chan)) {
wpa_printf(MSG_DEBUG,
"ACS: Channel %d: not allowed as primary channel for VHT80",
chan->chan);
continue;
}
if (hostapd_get_oper_chwidth(iface->conf) ==
CHANWIDTH_160MHZ &&
!acs_usable_vht160_chan(chan)) {
wpa_printf(MSG_DEBUG,
"ACS: Channel %d: not allowed as primary channel for VHT160",
chan->chan);
continue;
}
}
factor = 0;
if (acs_usable_chan(chan))
factor = chan->interference_factor;
total_weight = 1;
for (j = 1; j < n_chans; j++) {
adj_chan = acs_find_chan(iface, chan->freq + (j * 20));
if (!adj_chan)
break;
if (!chan_bw_allowed(adj_chan, bw, 1, 0)) {
wpa_printf(MSG_DEBUG,
"ACS: PRI Channel %d: secondary channel %d BW %u is not supported",
chan->chan, adj_chan->chan, bw);
break;
}
if (acs_usable_chan(adj_chan)) {
factor += adj_chan->interference_factor;
total_weight += 1;
}
}
if (j != n_chans) {
wpa_printf(MSG_DEBUG, "ACS: Channel %d: not enough bandwidth",
chan->chan);
continue;
}
/* 2.4 GHz has overlapping 20 MHz channels. Include adjacent
* channel interference factor. */
if (is_24ghz_mode(iface->current_mode->mode)) {
for (j = 0; j < n_chans; j++) {
adj_chan = acs_find_chan(iface, chan->freq +
(j * 20) - 5);
if (adj_chan && acs_usable_chan(adj_chan)) {
factor += ACS_ADJ_WEIGHT *
adj_chan->interference_factor;
total_weight += ACS_ADJ_WEIGHT;
}
adj_chan = acs_find_chan(iface, chan->freq +
(j * 20) - 10);
if (adj_chan && acs_usable_chan(adj_chan)) {
factor += ACS_NEXT_ADJ_WEIGHT *
adj_chan->interference_factor;
total_weight += ACS_NEXT_ADJ_WEIGHT;
}
adj_chan = acs_find_chan(iface, chan->freq +
(j * 20) + 5);
if (adj_chan && acs_usable_chan(adj_chan)) {
factor += ACS_ADJ_WEIGHT *
adj_chan->interference_factor;
total_weight += ACS_ADJ_WEIGHT;
}
adj_chan = acs_find_chan(iface, chan->freq +
(j * 20) + 10);
if (adj_chan && acs_usable_chan(adj_chan)) {
factor += ACS_NEXT_ADJ_WEIGHT *
adj_chan->interference_factor;
total_weight += ACS_NEXT_ADJ_WEIGHT;
}
}
}
factor /= total_weight;
bias = NULL;
if (iface->conf->acs_chan_bias) {
for (k = 0; k < iface->conf->num_acs_chan_bias; k++) {
bias = &iface->conf->acs_chan_bias[k];
if (bias->channel == chan->chan)
break;
bias = NULL;
}
} else if (is_24ghz_mode(iface->current_mode->mode) &&
is_common_24ghz_chan(chan->chan)) {
tmp_bias.channel = chan->chan;
tmp_bias.bias = ACS_24GHZ_PREFER_1_6_11;
bias = &tmp_bias;
}
if (bias) {
factor *= bias->bias;
wpa_printf(MSG_DEBUG,
"ACS: * channel %d: total interference = %Lg (%f bias)",
chan->chan, factor, bias->bias);
} else {
wpa_printf(MSG_DEBUG,
"ACS: * channel %d: total interference = %Lg",
chan->chan, factor);
}
if (acs_usable_chan(chan) &&
(!ideal_chan || factor < ideal_factor)) {
ideal_factor = factor;
ideal_chan = chan;
}
/* This channel would at least be usable */
if (!rand_chan)
rand_chan = chan;
}
if (ideal_chan) {
wpa_printf(MSG_DEBUG, "ACS: Ideal channel is %d (%d MHz) with total interference factor of %Lg",
ideal_chan->chan, ideal_chan->freq, ideal_factor);
return ideal_chan;
}
return rand_chan;
}
static void acs_adjust_center_freq(struct hostapd_iface *iface)
{
int offset;
wpa_printf(MSG_DEBUG, "ACS: Adjusting VHT center frequency");
switch (hostapd_get_oper_chwidth(iface->conf)) {
case CHANWIDTH_USE_HT:
offset = 2 * iface->conf->secondary_channel;
break;
case CHANWIDTH_80MHZ:
offset = 6;
break;
case CHANWIDTH_160MHZ:
offset = 14;
break;
default:
/* TODO: How can this be calculated? Adjust
* acs_find_ideal_chan() */
wpa_printf(MSG_INFO,
"ACS: Only VHT20/40/80/160 is supported now");
return;
}
hostapd_set_oper_centr_freq_seg0_idx(iface->conf,
iface->conf->channel + offset);
}
static int acs_study_survey_based(struct hostapd_iface *iface)
{
wpa_printf(MSG_DEBUG, "ACS: Trying survey-based ACS");
if (!iface->chans_surveyed) {
wpa_printf(MSG_ERROR, "ACS: Unable to collect survey data");
return -1;
}
if (!acs_surveys_are_sufficient(iface)) {
wpa_printf(MSG_ERROR, "ACS: Surveys have insufficient data");
return -1;
}
acs_survey_all_chans_intereference_factor(iface);
return 0;
}
static int acs_study_options(struct hostapd_iface *iface)
{
if (acs_study_survey_based(iface) == 0)
return 0;
/* TODO: If no surveys are available/sufficient this is a good
* place to fallback to BSS-based ACS */
return -1;
}
static void acs_study(struct hostapd_iface *iface)
{
struct hostapd_channel_data *ideal_chan;
int err;
err = acs_study_options(iface);
if (err < 0) {
wpa_printf(MSG_ERROR, "ACS: All study options have failed");
goto fail;
}
ideal_chan = acs_find_ideal_chan(iface);
if (!ideal_chan) {
wpa_printf(MSG_ERROR, "ACS: Failed to compute ideal channel");
err = -1;
goto fail;
}
iface->conf->channel = ideal_chan->chan;
if (iface->conf->ieee80211ac || iface->conf->ieee80211ax)
acs_adjust_center_freq(iface);
err = 0;
fail:
/*
* hostapd_setup_interface_complete() will return -1 on failure,
* 0 on success and 0 is HOSTAPD_CHAN_VALID :)
*/
if (hostapd_acs_completed(iface, err) == HOSTAPD_CHAN_VALID) {
acs_cleanup(iface);
return;
}
/* This can possibly happen if channel parameters (secondary
* channel, center frequencies) are misconfigured */
wpa_printf(MSG_ERROR, "ACS: Possibly channel configuration is invalid, please report this along with your config file.");
acs_fail(iface);
}
static void acs_scan_complete(struct hostapd_iface *iface)
{
int err;
iface->scan_cb = NULL;
wpa_printf(MSG_DEBUG, "ACS: Using survey based algorithm (acs_num_scans=%d)",
iface->conf->acs_num_scans);
err = hostapd_drv_get_survey(iface->bss[0], 0);
if (err) {
wpa_printf(MSG_ERROR, "ACS: Failed to get survey data");
goto fail;
}
if (++iface->acs_num_completed_scans < iface->conf->acs_num_scans) {
err = acs_request_scan(iface);
if (err) {
wpa_printf(MSG_ERROR, "ACS: Failed to request scan");
goto fail;
}
return;
}
acs_study(iface);
return;
fail:
hostapd_acs_completed(iface, 1);
acs_fail(iface);
}
static int acs_request_scan(struct hostapd_iface *iface)
{
struct wpa_driver_scan_params params;
struct hostapd_channel_data *chan;
int i, *freq;
os_memset(&params, 0, sizeof(params));
params.freqs = os_calloc(iface->current_mode->num_channels + 1,
sizeof(params.freqs[0]));
if (params.freqs == NULL)
return -1;
freq = params.freqs;
for (i = 0; i < iface->current_mode->num_channels; i++) {
chan = &iface->current_mode->channels[i];
if (chan->flag & HOSTAPD_CHAN_DISABLED)
continue;
if (!is_in_chanlist(iface, chan))
continue;
*freq++ = chan->freq;
}
*freq = 0;
iface->scan_cb = acs_scan_complete;
wpa_printf(MSG_DEBUG, "ACS: Scanning %d / %d",
iface->acs_num_completed_scans + 1,
iface->conf->acs_num_scans);
if (hostapd_driver_scan(iface->bss[0], &params) < 0) {
wpa_printf(MSG_ERROR, "ACS: Failed to request initial scan");
acs_cleanup(iface);
os_free(params.freqs);
return -1;
}
os_free(params.freqs);
return 0;
}
enum hostapd_chan_status acs_init(struct hostapd_iface *iface)
{
wpa_printf(MSG_INFO, "ACS: Automatic channel selection started, this may take a bit");
if (iface->drv_flags & WPA_DRIVER_FLAGS_ACS_OFFLOAD) {
wpa_printf(MSG_INFO, "ACS: Offloading to driver");
if (hostapd_drv_do_acs(iface->bss[0]))
return HOSTAPD_CHAN_INVALID;
return HOSTAPD_CHAN_ACS;
}
if (!iface->current_mode)
return HOSTAPD_CHAN_INVALID;
acs_cleanup(iface);
if (acs_request_scan(iface) < 0)
return HOSTAPD_CHAN_INVALID;
hostapd_set_state(iface, HAPD_IFACE_ACS);
wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, ACS_EVENT_STARTED);
return HOSTAPD_CHAN_ACS;
}

32
hostapd-2.9/src/ap/acs.h Normal file
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@ -0,0 +1,32 @@
/*
* ACS - Automatic Channel Selection module
* Copyright (c) 2011, Atheros Communications
* Copyright (c) 2013, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef ACS_H
#define ACS_H
#ifdef CONFIG_ACS
enum hostapd_chan_status acs_init(struct hostapd_iface *iface);
void acs_cleanup(struct hostapd_iface *iface);
#else /* CONFIG_ACS */
static inline enum hostapd_chan_status acs_init(struct hostapd_iface *iface)
{
wpa_printf(MSG_ERROR, "ACS was disabled on your build, rebuild hostapd with CONFIG_ACS=y or set channel");
return HOSTAPD_CHAN_INVALID;
}
static inline void acs_cleanup(struct hostapd_iface *iface)
{
}
#endif /* CONFIG_ACS */
#endif /* ACS_H */

269
hostapd-2.9/src/ap/airtime_policy.c Normal file
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/*
* Airtime policy configuration
* Copyright (c) 2018-2019, Toke Høiland-Jørgensen <toke@toke.dk>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "hostapd.h"
#include "ap_drv_ops.h"
#include "sta_info.h"
#include "airtime_policy.h"
/* Idea:
* Two modes of airtime enforcement:
* 1. Static weights: specify weights per MAC address with a per-BSS default
* 2. Per-BSS limits: Dynamically calculate weights of backlogged stations to
* enforce relative total shares between BSSes.
*
* - Periodic per-station callback to update queue status.
*
* Copy accounting_sta_update_stats() to get TXQ info and airtime weights and
* keep them updated in sta_info.
*
* - Separate periodic per-bss (or per-iface?) callback to update weights.
*
* Just need to loop through all interfaces, count sum the active stations (or
* should the per-STA callback just adjust that for the BSS?) and calculate new
* weights.
*/
static int get_airtime_policy_update_timeout(struct hostapd_iface *iface,
unsigned int *sec,
unsigned int *usec)
{
unsigned int update_int = iface->conf->airtime_update_interval;
if (!update_int) {
wpa_printf(MSG_ERROR,
"Airtime policy: Invalid airtime policy update interval %u",
update_int);
return -1;
}
*sec = update_int / 1000;
*usec = (update_int % 1000) * 1000;
return 0;
}
static void set_new_backlog_time(struct hostapd_data *hapd,
struct sta_info *sta,
struct os_reltime *now)
{
sta->backlogged_until = *now;
sta->backlogged_until.usec += hapd->iconf->airtime_update_interval *
AIRTIME_BACKLOG_EXPIRY_FACTOR;
while (sta->backlogged_until.usec >= 1000000) {
sta->backlogged_until.sec++;
sta->backlogged_until.usec -= 1000000;
}
}
static void count_backlogged_sta(struct hostapd_data *hapd)
{
struct sta_info *sta;
struct hostap_sta_driver_data data = {};
unsigned int num_backlogged = 0;
struct os_reltime now;
os_get_reltime(&now);
for (sta = hapd->sta_list; sta; sta = sta->next) {
if (hostapd_drv_read_sta_data(hapd, &data, sta->addr))
continue;
if (data.backlog_bytes > 0)
set_new_backlog_time(hapd, sta, &now);
if (os_reltime_before(&now, &sta->backlogged_until))
num_backlogged++;
}
hapd->num_backlogged_sta = num_backlogged;
}
static int sta_set_airtime_weight(struct hostapd_data *hapd,
struct sta_info *sta,
unsigned int weight)
{
int ret = 0;
if (weight != sta->airtime_weight &&
(ret = hostapd_sta_set_airtime_weight(hapd, sta->addr, weight)))
return ret;
sta->airtime_weight = weight;
return ret;
}
static void set_sta_weights(struct hostapd_data *hapd, unsigned int weight)
{
struct sta_info *sta;
for (sta = hapd->sta_list; sta; sta = sta->next)
sta_set_airtime_weight(hapd, sta, weight);
}
static unsigned int get_airtime_quantum(unsigned int max_wt)
{
unsigned int quantum = AIRTIME_QUANTUM_TARGET / max_wt;
if (quantum < AIRTIME_QUANTUM_MIN)
quantum = AIRTIME_QUANTUM_MIN;
else if (quantum > AIRTIME_QUANTUM_MAX)
quantum = AIRTIME_QUANTUM_MAX;
return quantum;
}
static void update_airtime_weights(void *eloop_data, void *user_data)
{
struct hostapd_iface *iface = eloop_data;
struct hostapd_data *bss;
unsigned int sec, usec;
unsigned int num_sta_min = 0, num_sta_prod = 1, num_sta_sum = 0,
wt_sum = 0;
unsigned int quantum;
Boolean all_div_min = TRUE;
Boolean apply_limit = iface->conf->airtime_mode == AIRTIME_MODE_DYNAMIC;
int wt, num_bss = 0, max_wt = 0;
size_t i;
for (i = 0; i < iface->num_bss; i++) {
bss = iface->bss[i];
if (!bss->started || !bss->conf->airtime_weight)
continue;
count_backlogged_sta(bss);
if (!bss->num_backlogged_sta)
continue;
if (!num_sta_min || bss->num_backlogged_sta < num_sta_min)
num_sta_min = bss->num_backlogged_sta;
num_sta_prod *= bss->num_backlogged_sta;
num_sta_sum += bss->num_backlogged_sta;
wt_sum += bss->conf->airtime_weight;
num_bss++;
}
if (num_sta_min) {
for (i = 0; i < iface->num_bss; i++) {
bss = iface->bss[i];
if (!bss->started || !bss->conf->airtime_weight)
continue;
/* Check if we can divide all sta numbers by the
* smallest number to keep weights as small as possible.
* This is a lazy way to avoid having to factor
* integers. */
if (bss->num_backlogged_sta &&
bss->num_backlogged_sta % num_sta_min > 0)
all_div_min = FALSE;
/* If we're in LIMIT mode, we only apply the weight
* scaling when the BSS(es) marked as limited would a
* larger share than the relative BSS weights indicates
* it should. */
if (!apply_limit && bss->conf->airtime_limit) {
if (bss->num_backlogged_sta * wt_sum >
bss->conf->airtime_weight * num_sta_sum)
apply_limit = TRUE;
}
}
if (all_div_min)
num_sta_prod /= num_sta_min;
}
for (i = 0; i < iface->num_bss; i++) {
bss = iface->bss[i];
if (!bss->started || !bss->conf->airtime_weight)
continue;
/* We only set the calculated weight if the BSS has active
* stations and there are other active interfaces as well -
* otherwise we just set a unit weight. This ensures that
* the weights are set reasonably when stations transition from
* inactive to active. */
if (apply_limit && bss->num_backlogged_sta && num_bss > 1)
wt = bss->conf->airtime_weight * num_sta_prod /
bss->num_backlogged_sta;
else
wt = 1;
bss->airtime_weight = wt;
if (wt > max_wt)
max_wt = wt;
}
quantum = get_airtime_quantum(max_wt);
for (i = 0; i < iface->num_bss; i++) {
bss = iface->bss[i];
if (!bss->started || !bss->conf->airtime_weight)
continue;
set_sta_weights(bss, bss->airtime_weight * quantum);
}
if (get_airtime_policy_update_timeout(iface, &sec, &usec) < 0)
return;
eloop_register_timeout(sec, usec, update_airtime_weights, iface,
NULL);
}
static int get_weight_for_sta(struct hostapd_data *hapd, const u8 *sta)
{
struct airtime_sta_weight *wt;
wt = hapd->conf->airtime_weight_list;
while (wt && os_memcmp(wt->addr, sta, ETH_ALEN) != 0)
wt = wt->next;
return wt ? wt->weight : hapd->conf->airtime_weight;
}
int airtime_policy_new_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
unsigned int weight;
if (hapd->iconf->airtime_mode == AIRTIME_MODE_STATIC) {
weight = get_weight_for_sta(hapd, sta->addr);
if (weight)
return sta_set_airtime_weight(hapd, sta, weight);
}
return 0;
}
int airtime_policy_update_init(struct hostapd_iface *iface)
{
unsigned int sec, usec;
if (iface->conf->airtime_mode < AIRTIME_MODE_DYNAMIC)
return 0;
if (get_airtime_policy_update_timeout(iface, &sec, &usec) < 0)
return -1;
eloop_register_timeout(sec, usec, update_airtime_weights, iface, NULL);
return 0;
}
void airtime_policy_update_deinit(struct hostapd_iface *iface)
{
eloop_cancel_timeout(update_airtime_weights, iface, NULL);
}

48
hostapd-2.9/src/ap/airtime_policy.h Normal file
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/*
* Airtime policy configuration
* Copyright (c) 2018-2019, Toke Høiland-Jørgensen <toke@toke.dk>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef AIRTIME_POLICY_H
#define AIRTIME_POLICY_H
struct hostapd_iface;
#ifdef CONFIG_AIRTIME_POLICY
#define AIRTIME_DEFAULT_UPDATE_INTERVAL 200 /* ms */
#define AIRTIME_BACKLOG_EXPIRY_FACTOR 2500 /* 2.5 intervals + convert to usec */
/* scale quantum so this becomes the effective quantum after applying the max
* weight, but never go below min or above max */
#define AIRTIME_QUANTUM_MIN 8 /* usec */
#define AIRTIME_QUANTUM_MAX 256 /* usec */
#define AIRTIME_QUANTUM_TARGET 1024 /* usec */
int airtime_policy_new_sta(struct hostapd_data *hapd, struct sta_info *sta);
int airtime_policy_update_init(struct hostapd_iface *iface);
void airtime_policy_update_deinit(struct hostapd_iface *iface);
#else /* CONFIG_AIRTIME_POLICY */
static inline int airtime_policy_new_sta(struct hostapd_data *hapd,
struct sta_info *sta)
{
return -1;
}
static inline int airtime_policy_update_init(struct hostapd_iface *iface)
{
return -1;
}
static inline void airtime_policy_update_deinit(struct hostapd_iface *iface)
{
}
#endif /* CONFIG_AIRTIME_POLICY */
#endif /* AIRTIME_POLICY_H */

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hostapd-2.9/src/ap/ap_config.c Normal file
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1104
hostapd-2.9/src/ap/ap_config.h Normal file
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970
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/*
* hostapd - Driver operations
* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "common/hw_features_common.h"
#include "wps/wps.h"
#include "p2p/p2p.h"
#include "hostapd.h"
#include "ieee802_11.h"
#include "sta_info.h"
#include "ap_config.h"
#include "p2p_hostapd.h"
#include "hs20.h"
#include "wpa_auth.h"
#include "ap_drv_ops.h"
u32 hostapd_sta_flags_to_drv(u32 flags)
{
int res = 0;
if (flags & WLAN_STA_AUTHORIZED)
res |= WPA_STA_AUTHORIZED;
if (flags & WLAN_STA_WMM)
res |= WPA_STA_WMM;
if (flags & WLAN_STA_SHORT_PREAMBLE)
res |= WPA_STA_SHORT_PREAMBLE;
if (flags & WLAN_STA_MFP)
res |= WPA_STA_MFP;
if (flags & WLAN_STA_AUTH)
res |= WPA_STA_AUTHENTICATED;
if (flags & WLAN_STA_ASSOC)
res |= WPA_STA_ASSOCIATED;
return res;
}
static int add_buf(struct wpabuf **dst, const struct wpabuf *src)
{
if (!src)
return 0;
if (wpabuf_resize(dst, wpabuf_len(src)) != 0)
return -1;
wpabuf_put_buf(*dst, src);
return 0;
}
static int add_buf_data(struct wpabuf **dst, const u8 *data, size_t len)
{
if (!data || !len)
return 0;
if (wpabuf_resize(dst, len) != 0)
return -1;
wpabuf_put_data(*dst, data, len);
return 0;
}
int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
struct wpabuf **beacon_ret,
struct wpabuf **proberesp_ret,
struct wpabuf **assocresp_ret)
{
struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
u8 buf[200], *pos;
*beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
pos = buf;
pos = hostapd_eid_time_adv(hapd, pos);
if (add_buf_data(&beacon, buf, pos - buf) < 0)
goto fail;
pos = hostapd_eid_time_zone(hapd, pos);
if (add_buf_data(&proberesp, buf, pos - buf) < 0)
goto fail;
pos = buf;
pos = hostapd_eid_ext_capab(hapd, pos);
if (add_buf_data(&assocresp, buf, pos - buf) < 0)
goto fail;
pos = hostapd_eid_interworking(hapd, pos);
pos = hostapd_eid_adv_proto(hapd, pos);
pos = hostapd_eid_roaming_consortium(hapd, pos);
if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
add_buf_data(&proberesp, buf, pos - buf) < 0)
goto fail;
#ifdef CONFIG_FST
if (add_buf(&beacon, hapd->iface->fst_ies) < 0 ||
add_buf(&proberesp, hapd->iface->fst_ies) < 0 ||
add_buf(&assocresp, hapd->iface->fst_ies) < 0)
goto fail;
#endif /* CONFIG_FST */
#ifdef CONFIG_FILS
pos = hostapd_eid_fils_indic(hapd, buf, 0);
if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
add_buf_data(&proberesp, buf, pos - buf) < 0)
goto fail;
#endif /* CONFIG_FILS */
if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 ||
add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0)
goto fail;
#ifdef CONFIG_P2P
if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 ||
add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0)
goto fail;
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if (hapd->conf->p2p & P2P_MANAGE) {
if (wpabuf_resize(&beacon, 100) == 0) {
u8 *start, *p;
start = wpabuf_put(beacon, 0);
p = hostapd_eid_p2p_manage(hapd, start);
wpabuf_put(beacon, p - start);
}
if (wpabuf_resize(&proberesp, 100) == 0) {
u8 *start, *p;
start = wpabuf_put(proberesp, 0);
p = hostapd_eid_p2p_manage(hapd, start);
wpabuf_put(proberesp, p - start);
}
}
#endif /* CONFIG_P2P_MANAGER */
#ifdef CONFIG_WPS
if (hapd->conf->wps_state) {
struct wpabuf *a = wps_build_assoc_resp_ie();
add_buf(&assocresp, a);
wpabuf_free(a);
}
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P_MANAGER
if (hapd->conf->p2p & P2P_MANAGE) {
if (wpabuf_resize(&assocresp, 100) == 0) {
u8 *start, *p;
start = wpabuf_put(assocresp, 0);
p = hostapd_eid_p2p_manage(hapd, start);
wpabuf_put(assocresp, p - start);
}
}
#endif /* CONFIG_P2P_MANAGER */
#ifdef CONFIG_WIFI_DISPLAY
if (hapd->p2p_group) {
struct wpabuf *a;
a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
add_buf(&assocresp, a);
wpabuf_free(a);
}
#endif /* CONFIG_WIFI_DISPLAY */
#ifdef CONFIG_HS20
pos = hostapd_eid_hs20_indication(hapd, buf);
if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
add_buf_data(&proberesp, buf, pos - buf) < 0)
goto fail;
pos = hostapd_eid_osen(hapd, buf);
if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
add_buf_data(&proberesp, buf, pos - buf) < 0)
goto fail;
#endif /* CONFIG_HS20 */
#ifdef CONFIG_MBO
if (hapd->conf->mbo_enabled ||
OCE_STA_CFON_ENABLED(hapd) || OCE_AP_ENABLED(hapd)) {
pos = hostapd_eid_mbo(hapd, buf, sizeof(buf));
if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
add_buf_data(&proberesp, buf, pos - buf) < 0 ||
add_buf_data(&assocresp, buf, pos - buf) < 0)
goto fail;
}
#endif /* CONFIG_MBO */
#ifdef CONFIG_OWE
pos = hostapd_eid_owe_trans(hapd, buf, sizeof(buf));
if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
add_buf_data(&proberesp, buf, pos - buf) < 0)
goto fail;
#endif /* CONFIG_OWE */
add_buf(&beacon, hapd->conf->vendor_elements);
add_buf(&proberesp, hapd->conf->vendor_elements);
add_buf(&assocresp, hapd->conf->assocresp_elements);
*beacon_ret = beacon;
*proberesp_ret = proberesp;
*assocresp_ret = assocresp;
return 0;
fail:
wpabuf_free(beacon);
wpabuf_free(proberesp);
wpabuf_free(assocresp);
return -1;
}
void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
struct wpabuf *beacon,
struct wpabuf *proberesp,
struct wpabuf *assocresp)
{
wpabuf_free(beacon);
wpabuf_free(proberesp);
wpabuf_free(assocresp);
}
int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
{
if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
return 0;
return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
}
int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
{
struct wpabuf *beacon, *proberesp, *assocresp;
int ret;
if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
return 0;
if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
0)
return -1;
ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
assocresp);
hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
return ret;
}
int hostapd_set_authorized(struct hostapd_data *hapd,
struct sta_info *sta, int authorized)
{
if (authorized) {
return hostapd_sta_set_flags(hapd, sta->addr,
hostapd_sta_flags_to_drv(
sta->flags),
WPA_STA_AUTHORIZED, ~0);
}
return hostapd_sta_set_flags(hapd, sta->addr,
hostapd_sta_flags_to_drv(sta->flags),
0, ~WPA_STA_AUTHORIZED);
}
int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
{
int set_flags, total_flags, flags_and, flags_or;
total_flags = hostapd_sta_flags_to_drv(sta->flags);
set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
sta->auth_alg == WLAN_AUTH_FT) &&
sta->flags & WLAN_STA_AUTHORIZED)
set_flags |= WPA_STA_AUTHORIZED;
flags_or = total_flags & set_flags;
flags_and = total_flags | ~set_flags;
return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
flags_or, flags_and);
}
int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
int enabled)
{
struct wpa_bss_params params;
os_memset(&params, 0, sizeof(params));
params.ifname = ifname;
params.enabled = enabled;
if (enabled) {
params.wpa = hapd->conf->wpa;
params.ieee802_1x = hapd->conf->ieee802_1x;
params.wpa_group = hapd->conf->wpa_group;
if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
(WPA_PROTO_WPA | WPA_PROTO_RSN))
params.wpa_pairwise = hapd->conf->wpa_pairwise |
hapd->conf->rsn_pairwise;
else if (hapd->conf->wpa & WPA_PROTO_RSN)
params.wpa_pairwise = hapd->conf->rsn_pairwise;
else if (hapd->conf->wpa & WPA_PROTO_WPA)
params.wpa_pairwise = hapd->conf->wpa_pairwise;
params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
params.rsn_preauth = hapd->conf->rsn_preauth;
#ifdef CONFIG_IEEE80211W
params.ieee80211w = hapd->conf->ieee80211w;
#endif /* CONFIG_IEEE80211W */
}
return hostapd_set_ieee8021x(hapd, &params);
}
int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
{
char force_ifname[IFNAMSIZ];
u8 if_addr[ETH_ALEN];
return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
NULL, NULL, force_ifname, if_addr, NULL, 0);
}
int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
{
return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
}
int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
const u8 *addr, int aid, int val)
{
const char *bridge = NULL;
if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
return -1;
if (hapd->conf->wds_bridge[0])
bridge = hapd->conf->wds_bridge;
else if (hapd->conf->bridge[0])
bridge = hapd->conf->bridge;
return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
bridge, ifname_wds);
}
int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
u16 auth_alg)
{
if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
return 0;
return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
}
int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
u16 seq, u16 status, const u8 *ie, size_t len)
{
struct wpa_driver_sta_auth_params params;
#ifdef CONFIG_FILS
struct sta_info *sta;
#endif /* CONFIG_FILS */
if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
return 0;
os_memset(&params, 0, sizeof(params));
#ifdef CONFIG_FILS
sta = ap_get_sta(hapd, addr);
if (!sta) {
wpa_printf(MSG_DEBUG, "Station " MACSTR
" not found for sta_auth processing",
MAC2STR(addr));
return 0;
}
if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
sta->auth_alg == WLAN_AUTH_FILS_PK) {
params.fils_auth = 1;
wpa_auth_get_fils_aead_params(sta->wpa_sm, params.fils_anonce,
params.fils_snonce,
params.fils_kek,
&params.fils_kek_len);
}
#endif /* CONFIG_FILS */
params.own_addr = hapd->own_addr;
params.addr = addr;
params.seq = seq;
params.status = status;
params.ie = ie;
params.len = len;
return hapd->driver->sta_auth(hapd->drv_priv, &params);
}
int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
int reassoc, u16 status, const u8 *ie, size_t len)
{
if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
return 0;
return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
reassoc, status, ie, len);
}
int hostapd_sta_add(struct hostapd_data *hapd,
const u8 *addr, u16 aid, u16 capability,
const u8 *supp_rates, size_t supp_rates_len,
u16 listen_interval,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
const struct ieee80211_he_capabilities *he_capab,
size_t he_capab_len,
u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
int set)
{
struct hostapd_sta_add_params params;
if (hapd->driver == NULL)
return 0;
if (hapd->driver->sta_add == NULL)
return 0;
os_memset(&params, 0, sizeof(params));
params.addr = addr;
params.aid = aid;
params.capability = capability;
params.supp_rates = supp_rates;
params.supp_rates_len = supp_rates_len;
params.listen_interval = listen_interval;
params.ht_capabilities = ht_capab;
params.vht_capabilities = vht_capab;
params.he_capab = he_capab;
params.he_capab_len = he_capab_len;
params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
params.vht_opmode = vht_opmode;
params.flags = hostapd_sta_flags_to_drv(flags);
params.qosinfo = qosinfo;
params.support_p2p_ps = supp_p2p_ps;
params.set = set;
return hapd->driver->sta_add(hapd->drv_priv, &params);
}
int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
u8 *tspec_ie, size_t tspec_ielen)
{
if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
return 0;
return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
tspec_ielen);
}
int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
{
if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
return 0;
return hapd->driver->set_privacy(hapd->drv_priv, enabled);
}
int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
size_t elem_len)
{
if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
return 0;
return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
}
int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
{
if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
return 0;
return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
}
int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
{
if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
return 0;
return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
}
int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
const char *ifname, const u8 *addr, void *bss_ctx,
void **drv_priv, char *force_ifname, u8 *if_addr,
const char *bridge, int use_existing)
{
if (hapd->driver == NULL || hapd->driver->if_add == NULL)
return -1;
return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
bss_ctx, drv_priv, force_ifname, if_addr,
bridge, use_existing, 1);
}
int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
const char *ifname)
{
if (hapd->driver == NULL || hapd->drv_priv == NULL ||
hapd->driver->if_remove == NULL)
return -1;
return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
}
int hostapd_set_ieee8021x(struct hostapd_data *hapd,
struct wpa_bss_params *params)
{
if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
return 0;
return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
}
int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
const u8 *addr, int idx, u8 *seq)
{
if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
return 0;
return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
seq);
}
int hostapd_flush(struct hostapd_data *hapd)
{
if (hapd->driver == NULL || hapd->driver->flush == NULL)
return 0;
return hapd->driver->flush(hapd->drv_priv);
}
int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
int freq, int channel, int ht_enabled, int vht_enabled,
int he_enabled,
int sec_channel_offset, int oper_chwidth,
int center_segment0, int center_segment1)
{
struct hostapd_freq_params data;
struct hostapd_hw_modes *cmode = hapd->iface->current_mode;
if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
vht_enabled, he_enabled, sec_channel_offset,
oper_chwidth,
center_segment0, center_segment1,
cmode ? cmode->vht_capab : 0,
cmode ?
&cmode->he_capab[IEEE80211_MODE_AP] : NULL))
return -1;
if (hapd->driver == NULL)
return 0;
if (hapd->driver->set_freq == NULL)
return 0;
return hapd->driver->set_freq(hapd->drv_priv, &data);
}
int hostapd_set_rts(struct hostapd_data *hapd, int rts)
{
if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
return 0;
return hapd->driver->set_rts(hapd->drv_priv, rts);
}
int hostapd_set_frag(struct hostapd_data *hapd, int frag)
{
if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
return 0;
return hapd->driver->set_frag(hapd->drv_priv, frag);
}
int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
int total_flags, int flags_or, int flags_and)
{
if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
return 0;
return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
flags_or, flags_and);
}
int hostapd_sta_set_airtime_weight(struct hostapd_data *hapd, const u8 *addr,
unsigned int weight)
{
if (!hapd->driver || !hapd->driver->sta_set_airtime_weight)
return 0;
return hapd->driver->sta_set_airtime_weight(hapd->drv_priv, addr,
weight);
}
int hostapd_set_country(struct hostapd_data *hapd, const char *country)
{
if (hapd->driver == NULL ||
hapd->driver->set_country == NULL)
return 0;
return hapd->driver->set_country(hapd->drv_priv, country);
}
int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
int cw_min, int cw_max, int burst_time)
{
if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
return 0;
return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
cw_min, cw_max, burst_time);
}
struct hostapd_hw_modes *
hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
u16 *flags, u8 *dfs_domain)
{
if (hapd->driver == NULL ||
hapd->driver->get_hw_feature_data == NULL)
return NULL;
return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
flags, dfs_domain);
}
int hostapd_driver_commit(struct hostapd_data *hapd)
{
if (hapd->driver == NULL || hapd->driver->commit == NULL)
return 0;
return hapd->driver->commit(hapd->drv_priv);
}
int hostapd_drv_none(struct hostapd_data *hapd)
{
return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
}
int hostapd_driver_scan(struct hostapd_data *hapd,
struct wpa_driver_scan_params *params)
{
if (hapd->driver && hapd->driver->scan2)
return hapd->driver->scan2(hapd->drv_priv, params);
return -1;
}
struct wpa_scan_results * hostapd_driver_get_scan_results(
struct hostapd_data *hapd)
{
if (hapd->driver && hapd->driver->get_scan_results2)
return hapd->driver->get_scan_results2(hapd->drv_priv);
return NULL;
}
int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
int duration)
{
if (hapd->driver && hapd->driver->set_noa)
return hapd->driver->set_noa(hapd->drv_priv, count, start,
duration);
return -1;
}
int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
enum wpa_alg alg, const u8 *addr,
int key_idx, int set_tx,
const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
if (hapd->driver == NULL || hapd->driver->set_key == NULL)
return 0;
return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
key_idx, set_tx, seq, seq_len, key,
key_len);
}
int hostapd_drv_send_mlme(struct hostapd_data *hapd,
const void *msg, size_t len, int noack)
{
if (!hapd->driver || !hapd->driver->send_mlme || !hapd->drv_priv)
return 0;
return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
NULL, 0);
}
int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
const void *msg, size_t len, int noack,
const u16 *csa_offs, size_t csa_offs_len)
{
if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
return 0;
return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
csa_offs, csa_offs_len);
}
int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
const u8 *addr, int reason)
{
if (!hapd->driver || !hapd->driver->sta_deauth || !hapd->drv_priv)
return 0;
return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
reason);
}
int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
const u8 *addr, int reason)
{
if (!hapd->driver || !hapd->driver->sta_disassoc || !hapd->drv_priv)
return 0;
return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
reason);
}
int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
const u8 *peer, u8 *buf, u16 *buf_len)
{
if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
return -1;
return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
buf_len);
}
int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
unsigned int wait, const u8 *dst, const u8 *data,
size_t len)
{
const u8 *bssid;
const u8 wildcard_bssid[ETH_ALEN] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
if (!hapd->driver || !hapd->driver->send_action || !hapd->drv_priv)
return 0;
bssid = hapd->own_addr;
if (!is_multicast_ether_addr(dst) &&
len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
struct sta_info *sta;
/*
* Public Action frames to a STA that is not a member of the BSS
* shall use wildcard BSSID value.
*/
sta = ap_get_sta(hapd, dst);
if (!sta || !(sta->flags & WLAN_STA_ASSOC))
bssid = wildcard_bssid;
} else if (is_broadcast_ether_addr(dst) &&
len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
/*
* The only current use case of Public Action frames with
* broadcast destination address is DPP PKEX. That case is
* directing all devices and not just the STAs within the BSS,
* so have to use the wildcard BSSID value.
*/
bssid = wildcard_bssid;
}
return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
hapd->own_addr, bssid, data, len, 0);
}
int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
unsigned int freq,
unsigned int wait, const u8 *dst,
const u8 *data, size_t len)
{
if (hapd->driver == NULL || hapd->driver->send_action == NULL)
return 0;
return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
hapd->own_addr, hapd->own_addr, data,
len, 0);
}
int hostapd_start_dfs_cac(struct hostapd_iface *iface,
enum hostapd_hw_mode mode, int freq,
int channel, int ht_enabled, int vht_enabled,
int he_enabled,
int sec_channel_offset, int oper_chwidth,
int center_segment0, int center_segment1)
{
struct hostapd_data *hapd = iface->bss[0];
struct hostapd_freq_params data;
int res;
struct hostapd_hw_modes *cmode = iface->current_mode;
if (!hapd->driver || !hapd->driver->start_dfs_cac || !cmode)
return 0;
if (!iface->conf->ieee80211h) {
wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
"is not enabled");
return -1;
}
if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
vht_enabled, he_enabled, sec_channel_offset,
oper_chwidth, center_segment0,
center_segment1,
cmode->vht_capab,
&cmode->he_capab[IEEE80211_MODE_AP])) {
wpa_printf(MSG_ERROR, "Can't set freq params");
return -1;
}
res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
if (!res) {
iface->cac_started = 1;
os_get_reltime(&iface->dfs_cac_start);
}
return res;
}
int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
const u8 *qos_map_set, u8 qos_map_set_len)
{
if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv)
return 0;
return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
qos_map_set_len);
}
static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
struct hostapd_hw_modes *mode,
int acs_ch_list_all,
int **freq_list)
{
int i;
for (i = 0; i < mode->num_channels; i++) {
struct hostapd_channel_data *chan = &mode->channels[i];
if ((acs_ch_list_all ||
freq_range_list_includes(&hapd->iface->conf->acs_ch_list,
chan->chan)) &&
!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
!(hapd->iface->conf->acs_exclude_dfs &&
(chan->flag & HOSTAPD_CHAN_RADAR)))
int_array_add_unique(freq_list, chan->freq);
}
}
void hostapd_get_ext_capa(struct hostapd_iface *iface)
{
struct hostapd_data *hapd = iface->bss[0];
if (!hapd->driver || !hapd->driver->get_ext_capab)
return;
hapd->driver->get_ext_capab(hapd->drv_priv, WPA_IF_AP_BSS,
&iface->extended_capa,
&iface->extended_capa_mask,
&iface->extended_capa_len);
}
int hostapd_drv_do_acs(struct hostapd_data *hapd)
{
struct drv_acs_params params;
int ret, i, acs_ch_list_all = 0;
u8 *channels = NULL;
unsigned int num_channels = 0;
struct hostapd_hw_modes *mode;
int *freq_list = NULL;
if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
return 0;
os_memset(&params, 0, sizeof(params));
params.hw_mode = hapd->iface->conf->hw_mode;
/*
* If no chanlist config parameter is provided, include all enabled
* channels of the selected hw_mode.
*/
if (!hapd->iface->conf->acs_ch_list.num)
acs_ch_list_all = 1;
mode = hapd->iface->current_mode;
if (mode) {
channels = os_malloc(mode->num_channels);
if (channels == NULL)
return -1;
for (i = 0; i < mode->num_channels; i++) {
struct hostapd_channel_data *chan = &mode->channels[i];
if (!acs_ch_list_all &&
!freq_range_list_includes(
&hapd->iface->conf->acs_ch_list,
chan->chan))
continue;
if (hapd->iface->conf->acs_exclude_dfs &&
(chan->flag & HOSTAPD_CHAN_RADAR))
continue;
if (!(chan->flag & HOSTAPD_CHAN_DISABLED)) {
channels[num_channels++] = chan->chan;
int_array_add_unique(&freq_list, chan->freq);
}
}
} else {
for (i = 0; i < hapd->iface->num_hw_features; i++) {
mode = &hapd->iface->hw_features[i];
hostapd_get_hw_mode_any_channels(hapd, mode,
acs_ch_list_all,
&freq_list);
}
}
params.ch_list = channels;
params.ch_list_len = num_channels;
params.freq_list = freq_list;
params.ht_enabled = !!(hapd->iface->conf->ieee80211n);
params.ht40_enabled = !!(hapd->iface->conf->ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET);
params.vht_enabled = !!(hapd->iface->conf->ieee80211ac);
params.ch_width = 20;
if (hapd->iface->conf->ieee80211n && params.ht40_enabled)
params.ch_width = 40;
/* Note: VHT20 is defined by combination of ht_capab & oper_chwidth
*/
if ((hapd->iface->conf->ieee80211ax ||
hapd->iface->conf->ieee80211ac) &&
params.ht40_enabled) {
u8 oper_chwidth = hostapd_get_oper_chwidth(hapd->iface->conf);
if (oper_chwidth == CHANWIDTH_80MHZ)
params.ch_width = 80;
else if (oper_chwidth == CHANWIDTH_160MHZ ||
oper_chwidth == CHANWIDTH_80P80MHZ)
params.ch_width = 160;
}
ret = hapd->driver->do_acs(hapd->drv_priv, &params);
os_free(channels);
return ret;
}
int hostapd_drv_update_dh_ie(struct hostapd_data *hapd, const u8 *peer,
u16 reason_code, const u8 *ie, size_t ielen)
{
if (!hapd->driver || !hapd->driver->update_dh_ie || !hapd->drv_priv)
return 0;
return hapd->driver->update_dh_ie(hapd->drv_priv, peer, reason_code,
ie, ielen);
}

384
hostapd-2.9/src/ap/ap_drv_ops.h Normal file
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@ -0,0 +1,384 @@
/*
* hostapd - Driver operations
* Copyright (c) 2009-2014, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef AP_DRV_OPS
#define AP_DRV_OPS
enum wpa_driver_if_type;
struct wpa_bss_params;
struct wpa_driver_scan_params;
struct ieee80211_ht_capabilities;
struct ieee80211_vht_capabilities;
struct hostapd_freq_params;
u32 hostapd_sta_flags_to_drv(u32 flags);
int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
struct wpabuf **beacon,
struct wpabuf **proberesp,
struct wpabuf **assocresp);
void hostapd_free_ap_extra_ies(struct hostapd_data *hapd, struct wpabuf *beacon,
struct wpabuf *proberesp,
struct wpabuf *assocresp);
int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd);
int hostapd_set_ap_wps_ie(struct hostapd_data *hapd);
int hostapd_set_authorized(struct hostapd_data *hapd,
struct sta_info *sta, int authorized);
int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta);
int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
int enabled);
int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname);
int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname);
int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
const u8 *addr, int aid, int val);
int hostapd_sta_add(struct hostapd_data *hapd,
const u8 *addr, u16 aid, u16 capability,
const u8 *supp_rates, size_t supp_rates_len,
u16 listen_interval,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
const struct ieee80211_he_capabilities *he_capab,
size_t he_capab_len,
u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
int set);
int hostapd_set_privacy(struct hostapd_data *hapd, int enabled);
int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
size_t elem_len);
int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len);
int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len);
int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
const char *ifname, const u8 *addr, void *bss_ctx,
void **drv_priv, char *force_ifname, u8 *if_addr,
const char *bridge, int use_existing);
int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
const char *ifname);
int hostapd_set_ieee8021x(struct hostapd_data *hapd,
struct wpa_bss_params *params);
int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
const u8 *addr, int idx, u8 *seq);
int hostapd_flush(struct hostapd_data *hapd);
int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
int freq, int channel, int ht_enabled, int vht_enabled,
int he_enabled, int sec_channel_offset, int oper_chwidth,
int center_segment0, int center_segment1);
int hostapd_set_rts(struct hostapd_data *hapd, int rts);
int hostapd_set_frag(struct hostapd_data *hapd, int frag);
int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
int total_flags, int flags_or, int flags_and);
int hostapd_sta_set_airtime_weight(struct hostapd_data *hapd, const u8 *addr,
unsigned int weight);
int hostapd_set_country(struct hostapd_data *hapd, const char *country);
int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
int cw_min, int cw_max, int burst_time);
struct hostapd_hw_modes *
hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
u16 *flags, u8 *dfs_domain);
int hostapd_driver_commit(struct hostapd_data *hapd);
int hostapd_drv_none(struct hostapd_data *hapd);
int hostapd_driver_scan(struct hostapd_data *hapd,
struct wpa_driver_scan_params *params);
struct wpa_scan_results * hostapd_driver_get_scan_results(
struct hostapd_data *hapd);
int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
int duration);
int hostapd_drv_set_key(const char *ifname,
struct hostapd_data *hapd,
enum wpa_alg alg, const u8 *addr,
int key_idx, int set_tx,
const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len);
int hostapd_drv_send_mlme(struct hostapd_data *hapd,
const void *msg, size_t len, int noack);
int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
const void *msg, size_t len, int noack,
const u16 *csa_offs, size_t csa_offs_len);
int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
const u8 *addr, int reason);
int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
const u8 *addr, int reason);
int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
unsigned int wait, const u8 *dst, const u8 *data,
size_t len);
int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
unsigned int freq,
unsigned int wait, const u8 *dst,
const u8 *data, size_t len);
static inline void
hostapd_drv_send_action_cancel_wait(struct hostapd_data *hapd)
{
if (!hapd->driver || !hapd->driver->send_action_cancel_wait ||
!hapd->drv_priv)
return;
hapd->driver->send_action_cancel_wait(hapd->drv_priv);
}
int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
u16 auth_alg);
int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
u16 seq, u16 status, const u8 *ie, size_t len);
int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
int reassoc, u16 status, const u8 *ie, size_t len);
int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
u8 *tspec_ie, size_t tspec_ielen);
int hostapd_start_dfs_cac(struct hostapd_iface *iface,
enum hostapd_hw_mode mode, int freq,
int channel, int ht_enabled, int vht_enabled,
int he_enabled,
int sec_channel_offset, int oper_chwidth,
int center_segment0, int center_segment1);
int hostapd_drv_do_acs(struct hostapd_data *hapd);
int hostapd_drv_update_dh_ie(struct hostapd_data *hapd, const u8 *peer,
u16 reason_code, const u8 *ie, size_t ielen);
#include "drivers/driver.h"
int hostapd_drv_wnm_oper(struct hostapd_data *hapd,
enum wnm_oper oper, const u8 *peer,
u8 *buf, u16 *buf_len);
int hostapd_drv_set_qos_map(struct hostapd_data *hapd, const u8 *qos_map_set,
u8 qos_map_set_len);
void hostapd_get_ext_capa(struct hostapd_iface *iface);
static inline int hostapd_drv_set_countermeasures(struct hostapd_data *hapd,
int enabled)
{
if (hapd->driver == NULL ||
hapd->driver->hapd_set_countermeasures == NULL)
return 0;
return hapd->driver->hapd_set_countermeasures(hapd->drv_priv, enabled);
}
static inline int hostapd_drv_set_sta_vlan(const char *ifname,
struct hostapd_data *hapd,
const u8 *addr, int vlan_id)
{
if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
return 0;
return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname,
vlan_id);
}
static inline int hostapd_drv_get_inact_sec(struct hostapd_data *hapd,
const u8 *addr)
{
if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
return 0;
return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
}
static inline int hostapd_drv_sta_remove(struct hostapd_data *hapd,
const u8 *addr)
{
if (!hapd->driver || !hapd->driver->sta_remove || !hapd->drv_priv)
return 0;
return hapd->driver->sta_remove(hapd->drv_priv, addr);
}
static inline int hostapd_drv_hapd_send_eapol(struct hostapd_data *hapd,
const u8 *addr, const u8 *data,
size_t data_len, int encrypt,
u32 flags)
{
if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
return 0;
return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
data_len, encrypt,
hapd->own_addr, flags);
}
static inline int hostapd_drv_read_sta_data(
struct hostapd_data *hapd, struct hostap_sta_driver_data *data,
const u8 *addr)
{
if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
return -1;
return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
}
static inline int hostapd_drv_sta_clear_stats(struct hostapd_data *hapd,
const u8 *addr)
{
if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
return 0;
return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
}
static inline int hostapd_drv_set_acl(struct hostapd_data *hapd,
struct hostapd_acl_params *params)
{
if (hapd->driver == NULL || hapd->driver->set_acl == NULL)
return 0;
return hapd->driver->set_acl(hapd->drv_priv, params);
}
static inline int hostapd_drv_set_ap(struct hostapd_data *hapd,
struct wpa_driver_ap_params *params)
{
if (hapd->driver == NULL || hapd->driver->set_ap == NULL)
return 0;
return hapd->driver->set_ap(hapd->drv_priv, params);
}
static inline int hostapd_drv_set_radius_acl_auth(struct hostapd_data *hapd,
const u8 *mac, int accepted,
u32 session_timeout)
{
if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
return 0;
return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
session_timeout);
}
static inline int hostapd_drv_set_radius_acl_expire(struct hostapd_data *hapd,
const u8 *mac)
{
if (hapd->driver == NULL ||
hapd->driver->set_radius_acl_expire == NULL)
return 0;
return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
}
static inline int hostapd_drv_set_authmode(struct hostapd_data *hapd,
int auth_algs)
{
if (hapd->driver == NULL || hapd->driver->set_authmode == NULL)
return 0;
return hapd->driver->set_authmode(hapd->drv_priv, auth_algs);
}
static inline void hostapd_drv_poll_client(struct hostapd_data *hapd,
const u8 *own_addr, const u8 *addr,
int qos)
{
if (hapd->driver == NULL || hapd->driver->poll_client == NULL)
return;
hapd->driver->poll_client(hapd->drv_priv, own_addr, addr, qos);
}
static inline int hostapd_drv_get_survey(struct hostapd_data *hapd,
unsigned int freq)
{
if (hapd->driver == NULL)
return -1;
if (!hapd->driver->get_survey)
return -1;
return hapd->driver->get_survey(hapd->drv_priv, freq);
}
static inline int hostapd_get_country(struct hostapd_data *hapd, char *alpha2)
{
if (hapd->driver == NULL || hapd->driver->get_country == NULL)
return -1;
return hapd->driver->get_country(hapd->drv_priv, alpha2);
}
static inline const char * hostapd_drv_get_radio_name(struct hostapd_data *hapd)
{
if (hapd->driver == NULL || hapd->drv_priv == NULL ||
hapd->driver->get_radio_name == NULL)
return NULL;
return hapd->driver->get_radio_name(hapd->drv_priv);
}
static inline int hostapd_drv_switch_channel(struct hostapd_data *hapd,
struct csa_settings *settings)
{
if (hapd->driver == NULL || hapd->driver->switch_channel == NULL ||
hapd->drv_priv == NULL)
return -1;
return hapd->driver->switch_channel(hapd->drv_priv, settings);
}
static inline int hostapd_drv_status(struct hostapd_data *hapd, char *buf,
size_t buflen)
{
if (!hapd->driver || !hapd->driver->status || !hapd->drv_priv)
return -1;
return hapd->driver->status(hapd->drv_priv, buf, buflen);
}
static inline int hostapd_drv_br_add_ip_neigh(struct hostapd_data *hapd,
int version, const u8 *ipaddr,
int prefixlen, const u8 *addr)
{
if (hapd->driver == NULL || hapd->drv_priv == NULL ||
hapd->driver->br_add_ip_neigh == NULL)
return -1;
return hapd->driver->br_add_ip_neigh(hapd->drv_priv, version, ipaddr,
prefixlen, addr);
}
static inline int hostapd_drv_br_delete_ip_neigh(struct hostapd_data *hapd,
u8 version, const u8 *ipaddr)
{
if (hapd->driver == NULL || hapd->drv_priv == NULL ||
hapd->driver->br_delete_ip_neigh == NULL)
return -1;
return hapd->driver->br_delete_ip_neigh(hapd->drv_priv, version,
ipaddr);
}
static inline int hostapd_drv_br_port_set_attr(struct hostapd_data *hapd,
enum drv_br_port_attr attr,
unsigned int val)
{
if (hapd->driver == NULL || hapd->drv_priv == NULL ||
hapd->driver->br_port_set_attr == NULL)
return -1;
return hapd->driver->br_port_set_attr(hapd->drv_priv, attr, val);
}
static inline int hostapd_drv_br_set_net_param(struct hostapd_data *hapd,
enum drv_br_net_param param,
unsigned int val)
{
if (hapd->driver == NULL || hapd->drv_priv == NULL ||
hapd->driver->br_set_net_param == NULL)
return -1;
return hapd->driver->br_set_net_param(hapd->drv_priv, param, val);
}
static inline int hostapd_drv_vendor_cmd(struct hostapd_data *hapd,
int vendor_id, int subcmd,
const u8 *data, size_t data_len,
struct wpabuf *buf)
{
if (hapd->driver == NULL || hapd->driver->vendor_cmd == NULL)
return -1;
return hapd->driver->vendor_cmd(hapd->drv_priv, vendor_id, subcmd, data,
data_len, buf);
}
static inline int hostapd_drv_stop_ap(struct hostapd_data *hapd)
{
if (!hapd->driver || !hapd->driver->stop_ap || !hapd->drv_priv)
return 0;
return hapd->driver->stop_ap(hapd->drv_priv);
}
static inline int hostapd_drv_channel_info(struct hostapd_data *hapd,
struct wpa_channel_info *ci)
{
if (!hapd->driver || !hapd->driver->channel_info)
return -1;
return hapd->driver->channel_info(hapd->drv_priv, ci);
}
static inline int
hostapd_drv_send_external_auth_status(struct hostapd_data *hapd,
struct external_auth *params)
{
if (!hapd->driver || !hapd->drv_priv ||
!hapd->driver->send_external_auth_status)
return -1;
return hapd->driver->send_external_auth_status(hapd->drv_priv, params);
}
#endif /* AP_DRV_OPS */

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/*
* hostapd / AP table
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
* Copyright (c) 2003-2004, Instant802 Networks, Inc.
* Copyright (c) 2006, Devicescape Software, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "hostapd.h"
#include "ap_config.h"
#include "ieee802_11.h"
#include "sta_info.h"
#include "beacon.h"
#include "ap_list.h"
/* AP list is a double linked list with head->prev pointing to the end of the
* list and tail->next = NULL. Entries are moved to the head of the list
* whenever a beacon has been received from the AP in question. The tail entry
* in this link will thus be the least recently used entry. */
static int ap_list_beacon_olbc(struct hostapd_iface *iface, struct ap_info *ap)
{
int i;
if (iface->current_mode == NULL ||
iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G ||
iface->conf->channel != ap->channel)
return 0;
if (ap->erp != -1 && (ap->erp & ERP_INFO_NON_ERP_PRESENT))
return 1;
for (i = 0; i < WLAN_SUPP_RATES_MAX; i++) {
int rate = (ap->supported_rates[i] & 0x7f) * 5;
if (rate == 60 || rate == 90 || rate > 110)
return 0;
}
return 1;
}
static struct ap_info * ap_get_ap(struct hostapd_iface *iface, const u8 *ap)
{
struct ap_info *s;
s = iface->ap_hash[STA_HASH(ap)];
while (s != NULL && os_memcmp(s->addr, ap, ETH_ALEN) != 0)
s = s->hnext;
return s;
}
static void ap_ap_list_add(struct hostapd_iface *iface, struct ap_info *ap)
{
if (iface->ap_list) {
ap->prev = iface->ap_list->prev;
iface->ap_list->prev = ap;
} else
ap->prev = ap;
ap->next = iface->ap_list;
iface->ap_list = ap;
}
static void ap_ap_list_del(struct hostapd_iface *iface, struct ap_info *ap)
{
if (iface->ap_list == ap)
iface->ap_list = ap->next;
else
ap->prev->next = ap->next;
if (ap->next)
ap->next->prev = ap->prev;
else if (iface->ap_list)
iface->ap_list->prev = ap->prev;
}
static void ap_ap_hash_add(struct hostapd_iface *iface, struct ap_info *ap)
{
ap->hnext = iface->ap_hash[STA_HASH(ap->addr)];
iface->ap_hash[STA_HASH(ap->addr)] = ap;
}
static void ap_ap_hash_del(struct hostapd_iface *iface, struct ap_info *ap)
{
struct ap_info *s;
s = iface->ap_hash[STA_HASH(ap->addr)];
if (s == NULL) return;
if (os_memcmp(s->addr, ap->addr, ETH_ALEN) == 0) {
iface->ap_hash[STA_HASH(ap->addr)] = s->hnext;
return;
}
while (s->hnext != NULL &&
os_memcmp(s->hnext->addr, ap->addr, ETH_ALEN) != 0)
s = s->hnext;
if (s->hnext != NULL)
s->hnext = s->hnext->hnext;
else
wpa_printf(MSG_INFO, "AP: could not remove AP " MACSTR
" from hash table", MAC2STR(ap->addr));
}
static void ap_free_ap(struct hostapd_iface *iface, struct ap_info *ap)
{
ap_ap_hash_del(iface, ap);
ap_ap_list_del(iface, ap);
iface->num_ap--;
os_free(ap);
}
static void hostapd_free_aps(struct hostapd_iface *iface)
{
struct ap_info *ap, *prev;
ap = iface->ap_list;
while (ap) {
prev = ap;
ap = ap->next;
ap_free_ap(iface, prev);
}
iface->ap_list = NULL;
}
static struct ap_info * ap_ap_add(struct hostapd_iface *iface, const u8 *addr)
{
struct ap_info *ap;
ap = os_zalloc(sizeof(struct ap_info));
if (ap == NULL)
return NULL;
/* initialize AP info data */
os_memcpy(ap->addr, addr, ETH_ALEN);
ap_ap_list_add(iface, ap);
iface->num_ap++;
ap_ap_hash_add(iface, ap);
if (iface->num_ap > iface->conf->ap_table_max_size && ap != ap->prev) {
wpa_printf(MSG_DEBUG, "Removing the least recently used AP "
MACSTR " from AP table", MAC2STR(ap->prev->addr));
ap_free_ap(iface, ap->prev);
}
return ap;
}
void ap_list_process_beacon(struct hostapd_iface *iface,
const struct ieee80211_mgmt *mgmt,
struct ieee802_11_elems *elems,
struct hostapd_frame_info *fi)
{
struct ap_info *ap;
int new_ap = 0;
int set_beacon = 0;
if (iface->conf->ap_table_max_size < 1)
return;
ap = ap_get_ap(iface, mgmt->bssid);
if (!ap) {
ap = ap_ap_add(iface, mgmt->bssid);
if (!ap) {
wpa_printf(MSG_INFO,
"Failed to allocate AP information entry");
return;
}
new_ap = 1;
}
merge_byte_arrays(ap->supported_rates, WLAN_SUPP_RATES_MAX,
elems->supp_rates, elems->supp_rates_len,
elems->ext_supp_rates, elems->ext_supp_rates_len);
if (elems->erp_info)
ap->erp = elems->erp_info[0];
else
ap->erp = -1;
if (elems->ds_params)
ap->channel = elems->ds_params[0];
else if (elems->ht_operation)
ap->channel = elems->ht_operation[0];
else if (fi)
ap->channel = fi->channel;
if (elems->ht_capabilities)
ap->ht_support = 1;
else
ap->ht_support = 0;
os_get_reltime(&ap->last_beacon);
if (!new_ap && ap != iface->ap_list) {
/* move AP entry into the beginning of the list so that the
* oldest entry is always in the end of the list */
ap_ap_list_del(iface, ap);
ap_ap_list_add(iface, ap);
}
if (!iface->olbc &&
ap_list_beacon_olbc(iface, ap)) {
iface->olbc = 1;
wpa_printf(MSG_DEBUG, "OLBC AP detected: " MACSTR
" (channel %d) - enable protection",
MAC2STR(ap->addr), ap->channel);
set_beacon++;
}
#ifdef CONFIG_IEEE80211N
if (!iface->olbc_ht && !ap->ht_support &&
(ap->channel == 0 ||
ap->channel == iface->conf->channel ||
ap->channel == iface->conf->channel +
iface->conf->secondary_channel * 4)) {
iface->olbc_ht = 1;
hostapd_ht_operation_update(iface);
wpa_printf(MSG_DEBUG, "OLBC HT AP detected: " MACSTR
" (channel %d) - enable protection",
MAC2STR(ap->addr), ap->channel);
set_beacon++;
}
#endif /* CONFIG_IEEE80211N */
if (set_beacon)
ieee802_11_update_beacons(iface);
}
void ap_list_timer(struct hostapd_iface *iface)
{
struct os_reltime now;
struct ap_info *ap;
int set_beacon = 0;
if (!iface->ap_list)
return;
os_get_reltime(&now);
while (iface->ap_list) {
ap = iface->ap_list->prev;
if (!os_reltime_expired(&now, &ap->last_beacon,
iface->conf->ap_table_expiration_time))
break;
ap_free_ap(iface, ap);
}
if (iface->olbc || iface->olbc_ht) {
int olbc = 0;
int olbc_ht = 0;
ap = iface->ap_list;
while (ap && (olbc == 0 || olbc_ht == 0)) {
if (ap_list_beacon_olbc(iface, ap))
olbc = 1;
if (!ap->ht_support)
olbc_ht = 1;
ap = ap->next;
}
if (!olbc && iface->olbc) {
wpa_printf(MSG_DEBUG, "OLBC not detected anymore");
iface->olbc = 0;
set_beacon++;
}
#ifdef CONFIG_IEEE80211N
if (!olbc_ht && iface->olbc_ht) {
wpa_printf(MSG_DEBUG, "OLBC HT not detected anymore");
iface->olbc_ht = 0;
hostapd_ht_operation_update(iface);
set_beacon++;
}
#endif /* CONFIG_IEEE80211N */
}
if (set_beacon)
ieee802_11_update_beacons(iface);
}
int ap_list_init(struct hostapd_iface *iface)
{
return 0;
}
void ap_list_deinit(struct hostapd_iface *iface)
{
hostapd_free_aps(iface);
}

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/*
* hostapd / AP table
* Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi>
* Copyright (c) 2003-2004, Instant802 Networks, Inc.
* Copyright (c) 2006, Devicescape Software, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef AP_LIST_H
#define AP_LIST_H
struct ap_info {
/* Note: next/prev pointers are updated whenever a new beacon is
* received because these are used to find the least recently used
* entries. */
struct ap_info *next; /* next entry in AP list */
struct ap_info *prev; /* previous entry in AP list */
struct ap_info *hnext; /* next entry in hash table list */
u8 addr[6];
u8 supported_rates[WLAN_SUPP_RATES_MAX];
int erp; /* ERP Info or -1 if ERP info element not present */
int channel;
int ht_support;
struct os_reltime last_beacon;
};
struct ieee802_11_elems;
struct hostapd_frame_info;
void ap_list_process_beacon(struct hostapd_iface *iface,
const struct ieee80211_mgmt *mgmt,
struct ieee802_11_elems *elems,
struct hostapd_frame_info *fi);
#ifdef NEED_AP_MLME
int ap_list_init(struct hostapd_iface *iface);
void ap_list_deinit(struct hostapd_iface *iface);
void ap_list_timer(struct hostapd_iface *iface);
#else /* NEED_AP_MLME */
static inline int ap_list_init(struct hostapd_iface *iface)
{
return 0;
}
static inline void ap_list_deinit(struct hostapd_iface *iface)
{
}
static inline void ap_list_timer(struct hostapd_iface *iface)
{
}
#endif /* NEED_AP_MLME */
#endif /* AP_LIST_H */

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/*
* hostapd / IEEE 802.11 MLME
* Copyright 2003-2006, Jouni Malinen <j@w1.fi>
* Copyright 2003-2004, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "ieee802_11.h"
#include "wpa_auth.h"
#include "sta_info.h"
#include "ap_mlme.h"
#include "hostapd.h"
#ifndef CONFIG_NO_HOSTAPD_LOGGER
static const char * mlme_auth_alg_str(int alg)
{
switch (alg) {
case WLAN_AUTH_OPEN:
return "OPEN_SYSTEM";
case WLAN_AUTH_SHARED_KEY:
return "SHARED_KEY";
case WLAN_AUTH_FT:
return "FT";
}
return "unknown";
}
#endif /* CONFIG_NO_HOSTAPD_LOGGER */
/**
* mlme_authenticate_indication - Report the establishment of an authentication
* relationship with a specific peer MAC entity
* @hapd: BSS data
* @sta: peer STA data
*
* MLME calls this function as a result of the establishment of an
* authentication relationship with a specific peer MAC entity that
* resulted from an authentication procedure that was initiated by
* that specific peer MAC entity.
*
* PeerSTAAddress = sta->addr
* AuthenticationType = sta->auth_alg (WLAN_AUTH_OPEN / WLAN_AUTH_SHARED_KEY)
*/
void mlme_authenticate_indication(struct hostapd_data *hapd,
struct sta_info *sta)
{
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
HOSTAPD_LEVEL_DEBUG,
"MLME-AUTHENTICATE.indication(" MACSTR ", %s)",
MAC2STR(sta->addr), mlme_auth_alg_str(sta->auth_alg));
if (sta->auth_alg != WLAN_AUTH_FT &&
sta->auth_alg != WLAN_AUTH_FILS_SK &&
sta->auth_alg != WLAN_AUTH_FILS_SK_PFS &&
sta->auth_alg != WLAN_AUTH_FILS_PK &&
!(sta->flags & WLAN_STA_MFP))
mlme_deletekeys_request(hapd, sta);
ap_sta_clear_disconnect_timeouts(hapd, sta);
}
/**
* mlme_deauthenticate_indication - Report the invalidation of an
* authentication relationship with a specific peer MAC entity
* @hapd: BSS data
* @sta: Peer STA data
* @reason_code: ReasonCode from Deauthentication frame
*
* MLME calls this function as a result of the invalidation of an
* authentication relationship with a specific peer MAC entity.
*
* PeerSTAAddress = sta->addr
*/
void mlme_deauthenticate_indication(struct hostapd_data *hapd,
struct sta_info *sta, u16 reason_code)
{
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
HOSTAPD_LEVEL_DEBUG,
"MLME-DEAUTHENTICATE.indication(" MACSTR ", %d)",
MAC2STR(sta->addr), reason_code);
if (!hapd->iface->driver_ap_teardown)
mlme_deletekeys_request(hapd, sta);
}
/**
* mlme_associate_indication - Report the establishment of an association with
* a specific peer MAC entity
* @hapd: BSS data
* @sta: peer STA data
*
* MLME calls this function as a result of the establishment of an
* association with a specific peer MAC entity that resulted from an
* association procedure that was initiated by that specific peer MAC entity.
*
* PeerSTAAddress = sta->addr
*/
void mlme_associate_indication(struct hostapd_data *hapd, struct sta_info *sta)
{
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
HOSTAPD_LEVEL_DEBUG,
"MLME-ASSOCIATE.indication(" MACSTR ")",
MAC2STR(sta->addr));
if (sta->auth_alg != WLAN_AUTH_FT &&
sta->auth_alg != WLAN_AUTH_FILS_SK &&
sta->auth_alg != WLAN_AUTH_FILS_SK_PFS &&
sta->auth_alg != WLAN_AUTH_FILS_PK)
mlme_deletekeys_request(hapd, sta);
ap_sta_clear_disconnect_timeouts(hapd, sta);
}
/**
* mlme_reassociate_indication - Report the establishment of an reassociation
* with a specific peer MAC entity
* @hapd: BSS data
* @sta: peer STA data
*
* MLME calls this function as a result of the establishment of an
* reassociation with a specific peer MAC entity that resulted from a
* reassociation procedure that was initiated by that specific peer MAC entity.
*
* PeerSTAAddress = sta->addr
*/
void mlme_reassociate_indication(struct hostapd_data *hapd,
struct sta_info *sta)
{
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
HOSTAPD_LEVEL_DEBUG,
"MLME-REASSOCIATE.indication(" MACSTR ")",
MAC2STR(sta->addr));
if (sta->auth_alg != WLAN_AUTH_FT &&
sta->auth_alg != WLAN_AUTH_FILS_SK &&
sta->auth_alg != WLAN_AUTH_FILS_SK_PFS &&
sta->auth_alg != WLAN_AUTH_FILS_PK)
mlme_deletekeys_request(hapd, sta);
ap_sta_clear_disconnect_timeouts(hapd, sta);
}
/**
* mlme_disassociate_indication - Report disassociation with a specific peer
* MAC entity
* @hapd: BSS data
* @sta: Peer STA data
* @reason_code: ReasonCode from Disassociation frame
*
* MLME calls this function as a result of the invalidation of an association
* relationship with a specific peer MAC entity.
*
* PeerSTAAddress = sta->addr
*/
void mlme_disassociate_indication(struct hostapd_data *hapd,
struct sta_info *sta, u16 reason_code)
{
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
HOSTAPD_LEVEL_DEBUG,
"MLME-DISASSOCIATE.indication(" MACSTR ", %d)",
MAC2STR(sta->addr), reason_code);
mlme_deletekeys_request(hapd, sta);
}
void mlme_michaelmicfailure_indication(struct hostapd_data *hapd,
const u8 *addr)
{
hostapd_logger(hapd, addr, HOSTAPD_MODULE_MLME,
HOSTAPD_LEVEL_DEBUG,
"MLME-MichaelMICFailure.indication(" MACSTR ")",
MAC2STR(addr));
}
void mlme_deletekeys_request(struct hostapd_data *hapd, struct sta_info *sta)
{
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
HOSTAPD_LEVEL_DEBUG,
"MLME-DELETEKEYS.request(" MACSTR ")",
MAC2STR(sta->addr));
if (sta->wpa_sm)
wpa_remove_ptk(sta->wpa_sm);
}

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/*
* hostapd / IEEE 802.11 MLME
* Copyright 2003, Jouni Malinen <j@w1.fi>
* Copyright 2003-2004, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef MLME_H
#define MLME_H
void mlme_authenticate_indication(struct hostapd_data *hapd,
struct sta_info *sta);
void mlme_deauthenticate_indication(struct hostapd_data *hapd,
struct sta_info *sta, u16 reason_code);
void mlme_associate_indication(struct hostapd_data *hapd,
struct sta_info *sta);
void mlme_reassociate_indication(struct hostapd_data *hapd,
struct sta_info *sta);
void mlme_disassociate_indication(struct hostapd_data *hapd,
struct sta_info *sta, u16 reason_code);
void mlme_michaelmicfailure_indication(struct hostapd_data *hapd,
const u8 *addr);
void mlme_deletekeys_request(struct hostapd_data *hapd, struct sta_info *sta);
#endif /* MLME_H */

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/*
* Authentication server setup
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "crypto/tls.h"
#include "eap_server/eap.h"
#include "eap_server/eap_sim_db.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "radius/radius_server.h"
#include "hostapd.h"
#include "ap_config.h"
#include "sta_info.h"
#include "authsrv.h"
#if defined(EAP_SERVER_SIM) || defined(EAP_SERVER_AKA)
#define EAP_SIM_DB
#endif /* EAP_SERVER_SIM || EAP_SERVER_AKA */
#ifdef EAP_SIM_DB
static int hostapd_sim_db_cb_sta(struct hostapd_data *hapd,
struct sta_info *sta, void *ctx)
{
if (eapol_auth_eap_pending_cb(sta->eapol_sm, ctx) == 0)
return 1;
return 0;
}
static void hostapd_sim_db_cb(void *ctx, void *session_ctx)
{
struct hostapd_data *hapd = ctx;
if (ap_for_each_sta(hapd, hostapd_sim_db_cb_sta, session_ctx) == 0) {
#ifdef RADIUS_SERVER
radius_server_eap_pending_cb(hapd->radius_srv, session_ctx);
#endif /* RADIUS_SERVER */
}
}
#endif /* EAP_SIM_DB */
#ifdef RADIUS_SERVER
static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity,
size_t identity_len, int phase2,
struct eap_user *user)
{
const struct hostapd_eap_user *eap_user;
int i;
int rv = -1;
eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2);
if (eap_user == NULL)
goto out;
if (user == NULL)
return 0;
os_memset(user, 0, sizeof(*user));
for (i = 0; i < EAP_MAX_METHODS; i++) {
user->methods[i].vendor = eap_user->methods[i].vendor;
user->methods[i].method = eap_user->methods[i].method;
}
if (eap_user->password) {
user->password = os_memdup(eap_user->password,
eap_user->password_len);
if (user->password == NULL)
goto out;
user->password_len = eap_user->password_len;
user->password_hash = eap_user->password_hash;
if (eap_user->salt && eap_user->salt_len) {
user->salt = os_memdup(eap_user->salt,
eap_user->salt_len);
if (!user->salt)
goto out;
user->salt_len = eap_user->salt_len;
}
}
user->force_version = eap_user->force_version;
user->macacl = eap_user->macacl;
user->ttls_auth = eap_user->ttls_auth;
user->remediation = eap_user->remediation;
user->accept_attr = eap_user->accept_attr;
user->t_c_timestamp = eap_user->t_c_timestamp;
rv = 0;
out:
if (rv)
wpa_printf(MSG_DEBUG, "%s: Failed to find user", __func__);
return rv;
}
static int hostapd_setup_radius_srv(struct hostapd_data *hapd)
{
struct radius_server_conf srv;
struct hostapd_bss_config *conf = hapd->conf;
os_memset(&srv, 0, sizeof(srv));
srv.client_file = conf->radius_server_clients;
srv.auth_port = conf->radius_server_auth_port;
srv.acct_port = conf->radius_server_acct_port;
srv.conf_ctx = hapd;
srv.eap_sim_db_priv = hapd->eap_sim_db_priv;
srv.ssl_ctx = hapd->ssl_ctx;
srv.msg_ctx = hapd->msg_ctx;
srv.pac_opaque_encr_key = conf->pac_opaque_encr_key;
srv.eap_fast_a_id = conf->eap_fast_a_id;
srv.eap_fast_a_id_len = conf->eap_fast_a_id_len;
srv.eap_fast_a_id_info = conf->eap_fast_a_id_info;
srv.eap_fast_prov = conf->eap_fast_prov;
srv.pac_key_lifetime = conf->pac_key_lifetime;
srv.pac_key_refresh_time = conf->pac_key_refresh_time;
srv.eap_teap_auth = conf->eap_teap_auth;
srv.eap_teap_pac_no_inner = conf->eap_teap_pac_no_inner;
srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
srv.eap_sim_id = conf->eap_sim_id;
srv.tnc = conf->tnc;
srv.wps = hapd->wps;
srv.ipv6 = conf->radius_server_ipv6;
srv.get_eap_user = hostapd_radius_get_eap_user;
srv.eap_req_id_text = conf->eap_req_id_text;
srv.eap_req_id_text_len = conf->eap_req_id_text_len;
srv.pwd_group = conf->pwd_group;
srv.server_id = conf->server_id ? conf->server_id : "hostapd";
srv.sqlite_file = conf->eap_user_sqlite;
#ifdef CONFIG_RADIUS_TEST
srv.dump_msk_file = conf->dump_msk_file;
#endif /* CONFIG_RADIUS_TEST */
#ifdef CONFIG_HS20
srv.subscr_remediation_url = conf->subscr_remediation_url;
srv.subscr_remediation_method = conf->subscr_remediation_method;
srv.hs20_sim_provisioning_url = conf->hs20_sim_provisioning_url;
srv.t_c_server_url = conf->t_c_server_url;
#endif /* CONFIG_HS20 */
srv.erp = conf->eap_server_erp;
srv.erp_domain = conf->erp_domain;
srv.tls_session_lifetime = conf->tls_session_lifetime;
srv.tls_flags = conf->tls_flags;
hapd->radius_srv = radius_server_init(&srv);
if (hapd->radius_srv == NULL) {
wpa_printf(MSG_ERROR, "RADIUS server initialization failed.");
return -1;
}
return 0;
}
#endif /* RADIUS_SERVER */
#ifdef EAP_TLS_FUNCS
static void authsrv_tls_event(void *ctx, enum tls_event ev,
union tls_event_data *data)
{
switch (ev) {
case TLS_CERT_CHAIN_SUCCESS:
wpa_printf(MSG_DEBUG, "authsrv: remote certificate verification success");
break;
case TLS_CERT_CHAIN_FAILURE:
wpa_printf(MSG_INFO, "authsrv: certificate chain failure: reason=%d depth=%d subject='%s' err='%s'",
data->cert_fail.reason,
data->cert_fail.depth,
data->cert_fail.subject,
data->cert_fail.reason_txt);
break;
case TLS_PEER_CERTIFICATE:
wpa_printf(MSG_DEBUG, "authsrv: peer certificate: depth=%d serial_num=%s subject=%s",
data->peer_cert.depth,
data->peer_cert.serial_num ? data->peer_cert.serial_num : "N/A",
data->peer_cert.subject);
break;
case TLS_ALERT:
if (data->alert.is_local)
wpa_printf(MSG_DEBUG, "authsrv: local TLS alert: %s",
data->alert.description);
else
wpa_printf(MSG_DEBUG, "authsrv: remote TLS alert: %s",
data->alert.description);
break;
}
}
#endif /* EAP_TLS_FUNCS */
int authsrv_init(struct hostapd_data *hapd)
{
#ifdef EAP_TLS_FUNCS
if (hapd->conf->eap_server &&
(hapd->conf->ca_cert || hapd->conf->server_cert ||
hapd->conf->private_key || hapd->conf->dh_file ||
hapd->conf->server_cert2 || hapd->conf->private_key2)) {
struct tls_config conf;
struct tls_connection_params params;
os_memset(&conf, 0, sizeof(conf));
conf.tls_session_lifetime = hapd->conf->tls_session_lifetime;
if (hapd->conf->crl_reload_interval > 0 &&
hapd->conf->check_crl <= 0) {
wpa_printf(MSG_INFO,
"Cannot enable CRL reload functionality - it depends on check_crl being set");
} else if (hapd->conf->crl_reload_interval > 0) {
conf.crl_reload_interval =
hapd->conf->crl_reload_interval;
wpa_printf(MSG_INFO,
"Enabled CRL reload functionality");
}
conf.tls_flags = hapd->conf->tls_flags;
conf.event_cb = authsrv_tls_event;
conf.cb_ctx = hapd;
hapd->ssl_ctx = tls_init(&conf);
if (hapd->ssl_ctx == NULL) {
wpa_printf(MSG_ERROR, "Failed to initialize TLS");
authsrv_deinit(hapd);
return -1;
}
os_memset(&params, 0, sizeof(params));
params.ca_cert = hapd->conf->ca_cert;
params.client_cert = hapd->conf->server_cert;
params.client_cert2 = hapd->conf->server_cert2;
params.private_key = hapd->conf->private_key;
params.private_key2 = hapd->conf->private_key2;
params.private_key_passwd = hapd->conf->private_key_passwd;
params.private_key_passwd2 = hapd->conf->private_key_passwd2;
params.dh_file = hapd->conf->dh_file;
params.openssl_ciphers = hapd->conf->openssl_ciphers;
params.openssl_ecdh_curves = hapd->conf->openssl_ecdh_curves;
params.ocsp_stapling_response =
hapd->conf->ocsp_stapling_response;
params.ocsp_stapling_response_multi =
hapd->conf->ocsp_stapling_response_multi;
params.check_cert_subject = hapd->conf->check_cert_subject;
if (tls_global_set_params(hapd->ssl_ctx, &params)) {
wpa_printf(MSG_ERROR, "Failed to set TLS parameters");
authsrv_deinit(hapd);
return -1;
}
if (tls_global_set_verify(hapd->ssl_ctx,
hapd->conf->check_crl,
hapd->conf->check_crl_strict)) {
wpa_printf(MSG_ERROR, "Failed to enable check_crl");
authsrv_deinit(hapd);
return -1;
}
}
#endif /* EAP_TLS_FUNCS */
#ifdef EAP_SIM_DB
if (hapd->conf->eap_sim_db) {
hapd->eap_sim_db_priv =
eap_sim_db_init(hapd->conf->eap_sim_db,
hapd->conf->eap_sim_db_timeout,
hostapd_sim_db_cb, hapd);
if (hapd->eap_sim_db_priv == NULL) {
wpa_printf(MSG_ERROR, "Failed to initialize EAP-SIM "
"database interface");
authsrv_deinit(hapd);
return -1;
}
}
#endif /* EAP_SIM_DB */
#ifdef RADIUS_SERVER
if (hapd->conf->radius_server_clients &&
hostapd_setup_radius_srv(hapd))
return -1;
#endif /* RADIUS_SERVER */
return 0;
}
void authsrv_deinit(struct hostapd_data *hapd)
{
#ifdef RADIUS_SERVER
radius_server_deinit(hapd->radius_srv);
hapd->radius_srv = NULL;
#endif /* RADIUS_SERVER */
#ifdef EAP_TLS_FUNCS
if (hapd->ssl_ctx) {
tls_deinit(hapd->ssl_ctx);
hapd->ssl_ctx = NULL;
}
#endif /* EAP_TLS_FUNCS */
#ifdef EAP_SIM_DB
if (hapd->eap_sim_db_priv) {
eap_sim_db_deinit(hapd->eap_sim_db_priv);
hapd->eap_sim_db_priv = NULL;
}
#endif /* EAP_SIM_DB */
}

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/*
* Authentication server setup
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef AUTHSRV_H
#define AUTHSRV_H
int authsrv_init(struct hostapd_data *hapd);
void authsrv_deinit(struct hostapd_data *hapd);
#endif /* AUTHSRV_H */

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/*
* hostapd / IEEE 802.11 Management: Beacon and Probe Request/Response
* Copyright (c) 2002-2004, Instant802 Networks, Inc.
* Copyright (c) 2005-2006, Devicescape Software, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef BEACON_H
#define BEACON_H
struct ieee80211_mgmt;
void handle_probe_req(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len,
int ssi_signal);
int ieee802_11_set_beacon(struct hostapd_data *hapd);
int ieee802_11_set_beacons(struct hostapd_iface *iface);
int ieee802_11_update_beacons(struct hostapd_iface *iface);
int ieee802_11_build_ap_params(struct hostapd_data *hapd,
struct wpa_driver_ap_params *params);
void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params);
void sta_track_add(struct hostapd_iface *iface, const u8 *addr, int ssi_signal);
void sta_track_del(struct hostapd_sta_info *info);
void sta_track_expire(struct hostapd_iface *iface, int force);
struct hostapd_data *
sta_track_seen_on(struct hostapd_iface *iface, const u8 *addr,
const char *ifname);
void sta_track_claim_taxonomy_info(struct hostapd_iface *iface, const u8 *addr,
struct wpabuf **probe_ie_taxonomy);
#endif /* BEACON_H */

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/*
* BSS Load Element / Channel Utilization
* Copyright (c) 2014, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "hostapd.h"
#include "bss_load.h"
#include "ap_drv_ops.h"
#include "beacon.h"
static int get_bss_load_update_timeout(struct hostapd_data *hapd,
unsigned int *sec, unsigned int *usec)
{
unsigned int update_period = hapd->conf->bss_load_update_period;
unsigned int beacon_int = hapd->iconf->beacon_int;
unsigned int update_timeout;
if (!update_period || !beacon_int) {
wpa_printf(MSG_ERROR,
"BSS Load: Invalid BSS load update configuration (period=%u beacon_int=%u)",
update_period, beacon_int);
return -1;
}
update_timeout = update_period * beacon_int;
*sec = ((update_timeout / 1000) * 1024) / 1000;
*usec = (update_timeout % 1000) * 1024;
return 0;
}
static void update_channel_utilization(void *eloop_data, void *user_data)
{
struct hostapd_data *hapd = eloop_data;
unsigned int sec, usec;
int err;
struct hostapd_iface *iface = hapd->iface;
if (!(hapd->beacon_set_done && hapd->started))
return;
err = hostapd_drv_get_survey(hapd, hapd->iface->freq);
if (err) {
wpa_printf(MSG_ERROR, "BSS Load: Failed to get survey data");
return;
}
ieee802_11_set_beacon(hapd);
if (get_bss_load_update_timeout(hapd, &sec, &usec) < 0)
return;
if (hapd->conf->chan_util_avg_period) {
iface->chan_util_samples_sum += iface->channel_utilization;
iface->chan_util_num_sample_periods +=
hapd->conf->bss_load_update_period;
if (iface->chan_util_num_sample_periods >=
hapd->conf->chan_util_avg_period) {
iface->chan_util_average =
iface->chan_util_samples_sum /
(iface->chan_util_num_sample_periods /
hapd->conf->bss_load_update_period);
iface->chan_util_samples_sum = 0;
iface->chan_util_num_sample_periods = 0;
}
}
eloop_register_timeout(sec, usec, update_channel_utilization, hapd,
NULL);
}
int bss_load_update_init(struct hostapd_data *hapd)
{
unsigned int sec, usec;
if (get_bss_load_update_timeout(hapd, &sec, &usec) < 0)
return -1;
eloop_register_timeout(sec, usec, update_channel_utilization, hapd,
NULL);
return 0;
}
void bss_load_update_deinit(struct hostapd_data *hapd)
{
eloop_cancel_timeout(update_channel_utilization, hapd, NULL);
}

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/*
* BSS load update
* Copyright (c) 2014, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef BSS_LOAD_UPDATE_H
#define BSS_LOAD_UPDATE_H
int bss_load_update_init(struct hostapd_data *hapd);
void bss_load_update_deinit(struct hostapd_data *hapd);
#endif /* BSS_LOAD_UPDATE_H */

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/*
* Control interface for shared AP commands
* Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "common/sae.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "fst/fst_ctrl_iface.h"
#include "hostapd.h"
#include "ieee802_1x.h"
#include "wpa_auth.h"
#include "ieee802_11.h"
#include "sta_info.h"
#include "wps_hostapd.h"
#include "p2p_hostapd.h"
#include "ctrl_iface_ap.h"
#include "ap_drv_ops.h"
#include "mbo_ap.h"
#include "taxonomy.h"
static size_t hostapd_write_ht_mcs_bitmask(char *buf, size_t buflen,
size_t curr_len, const u8 *mcs_set)
{
int ret;
size_t len = curr_len;
ret = os_snprintf(buf + len, buflen - len,
"ht_mcs_bitmask=");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
/* 77 first bits (+ 3 reserved bits) */
len += wpa_snprintf_hex(buf + len, buflen - len, mcs_set, 10);
ret = os_snprintf(buf + len, buflen - len, "\n");
if (os_snprintf_error(buflen - len, ret))
return curr_len;
len += ret;
return len;
}
static int hostapd_get_sta_tx_rx(struct hostapd_data *hapd,
struct sta_info *sta,
char *buf, size_t buflen)
{
struct hostap_sta_driver_data data;
int ret;
int len = 0;
if (hostapd_drv_read_sta_data(hapd, &data, sta->addr) < 0)
return 0;
ret = os_snprintf(buf, buflen, "rx_packets=%lu\ntx_packets=%lu\n"
"rx_bytes=%llu\ntx_bytes=%llu\ninactive_msec=%lu\n"
"signal=%d\n",
data.rx_packets, data.tx_packets,
data.rx_bytes, data.tx_bytes, data.inactive_msec,
data.signal);
if (os_snprintf_error(buflen, ret))
return 0;
len += ret;
ret = os_snprintf(buf + len, buflen - len, "rx_rate_info=%lu",
data.current_rx_rate);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
if (data.flags & STA_DRV_DATA_RX_MCS) {
ret = os_snprintf(buf + len, buflen - len, " mcs %u",
data.rx_mcs);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_RX_VHT_MCS) {
ret = os_snprintf(buf + len, buflen - len, " vhtmcs %u",
data.rx_vhtmcs);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_RX_VHT_NSS) {
ret = os_snprintf(buf + len, buflen - len, " vhtnss %u",
data.rx_vht_nss);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_RX_SHORT_GI) {
ret = os_snprintf(buf + len, buflen - len, " shortGI");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\n");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
ret = os_snprintf(buf + len, buflen - len, "tx_rate_info=%lu",
data.current_tx_rate);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
if (data.flags & STA_DRV_DATA_TX_MCS) {
ret = os_snprintf(buf + len, buflen - len, " mcs %u",
data.tx_mcs);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_TX_VHT_MCS) {
ret = os_snprintf(buf + len, buflen - len, " vhtmcs %u",
data.tx_vhtmcs);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_TX_VHT_NSS) {
ret = os_snprintf(buf + len, buflen - len, " vhtnss %u",
data.tx_vht_nss);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_TX_SHORT_GI) {
ret = os_snprintf(buf + len, buflen - len, " shortGI");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\n");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
if ((sta->flags & WLAN_STA_VHT) && sta->vht_capabilities) {
ret = os_snprintf(buf + len, buflen - len,
"rx_vht_mcs_map=%04x\n"
"tx_vht_mcs_map=%04x\n",
le_to_host16(sta->vht_capabilities->
vht_supported_mcs_set.rx_map),
le_to_host16(sta->vht_capabilities->
vht_supported_mcs_set.tx_map));
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities) {
len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
sta->ht_capabilities->
supported_mcs_set);
}
if (data.flags & STA_DRV_DATA_LAST_ACK_RSSI) {
ret = os_snprintf(buf + len, buflen - len,
"last_ack_signal=%d\n", data.last_ack_rssi);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
return len;
}
static int hostapd_get_sta_conn_time(struct sta_info *sta,
char *buf, size_t buflen)
{
struct os_reltime age;
int ret;
if (!sta->connected_time.sec)
return 0;
os_reltime_age(&sta->connected_time, &age);
ret = os_snprintf(buf, buflen, "connected_time=%u\n",
(unsigned int) age.sec);
if (os_snprintf_error(buflen, ret))
return 0;
return ret;
}
static const char * timeout_next_str(int val)
{
switch (val) {
case STA_NULLFUNC:
return "NULLFUNC POLL";
case STA_DISASSOC:
return "DISASSOC";
case STA_DEAUTH:
return "DEAUTH";
case STA_REMOVE:
return "REMOVE";
case STA_DISASSOC_FROM_CLI:
return "DISASSOC_FROM_CLI";
}
return "?";
}
static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
struct sta_info *sta,
char *buf, size_t buflen)
{
int len, res, ret, i;
const char *keyid;
if (!sta)
return 0;
len = 0;
ret = os_snprintf(buf + len, buflen - len, MACSTR "\nflags=",
MAC2STR(sta->addr));
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
ret = ap_sta_flags_txt(sta->flags, buf + len, buflen - len);
if (ret < 0)
return len;
len += ret;
ret = os_snprintf(buf + len, buflen - len, "\naid=%d\ncapability=0x%x\n"
"listen_interval=%d\nsupported_rates=",
sta->aid, sta->capability, sta->listen_interval);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
for (i = 0; i < sta->supported_rates_len; i++) {
ret = os_snprintf(buf + len, buflen - len, "%02x%s",
sta->supported_rates[i],
i + 1 < sta->supported_rates_len ? " " : "");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\ntimeout_next=%s\n",
timeout_next_str(sta->timeout_next));
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
res = ieee802_11_get_mib_sta(hapd, sta, buf + len, buflen - len);
if (res >= 0)
len += res;
res = wpa_get_mib_sta(sta->wpa_sm, buf + len, buflen - len);
if (res >= 0)
len += res;
res = ieee802_1x_get_mib_sta(hapd, sta, buf + len, buflen - len);
if (res >= 0)
len += res;
res = hostapd_wps_get_mib_sta(hapd, sta->addr, buf + len,
buflen - len);
if (res >= 0)
len += res;
res = hostapd_p2p_get_mib_sta(hapd, sta, buf + len, buflen - len);
if (res >= 0)
len += res;
len += hostapd_get_sta_tx_rx(hapd, sta, buf + len, buflen - len);
len += hostapd_get_sta_conn_time(sta, buf + len, buflen - len);
#ifdef CONFIG_SAE
if (sta->sae && sta->sae->state == SAE_ACCEPTED) {
res = os_snprintf(buf + len, buflen - len, "sae_group=%d\n",
sta->sae->group);
if (!os_snprintf_error(buflen - len, res))
len += res;
}
#endif /* CONFIG_SAE */
if (sta->vlan_id > 0) {
res = os_snprintf(buf + len, buflen - len, "vlan_id=%d\n",
sta->vlan_id);
if (!os_snprintf_error(buflen - len, res))
len += res;
}
res = mbo_ap_get_info(sta, buf + len, buflen - len);
if (res >= 0)
len += res;
if (sta->supp_op_classes &&
buflen - len > (unsigned) (17 + 2 * sta->supp_op_classes[0])) {
len += os_snprintf(buf + len, buflen - len, "supp_op_classes=");
len += wpa_snprintf_hex(buf + len, buflen - len,
sta->supp_op_classes + 1,
sta->supp_op_classes[0]);
len += os_snprintf(buf + len, buflen - len, "\n");
}
if (sta->power_capab) {
ret = os_snprintf(buf + len, buflen - len,
"min_txpower=%d\n"
"max_txpower=%d\n",
sta->min_tx_power, sta->max_tx_power);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
#ifdef CONFIG_IEEE80211AC
if ((sta->flags & WLAN_STA_VHT) && sta->vht_capabilities) {
res = os_snprintf(buf + len, buflen - len,
"vht_caps_info=0x%08x\n",
le_to_host32(sta->vht_capabilities->
vht_capabilities_info));
if (!os_snprintf_error(buflen - len, res))
len += res;
}
#endif /* CONFIG_IEEE80211AC */
#ifdef CONFIG_IEEE80211N
if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities) {
res = os_snprintf(buf + len, buflen - len,
"ht_caps_info=0x%04x\n",
le_to_host16(sta->ht_capabilities->
ht_capabilities_info));
if (!os_snprintf_error(buflen - len, res))
len += res;
}
#endif /* CONFIG_IEEE80211N */
if (sta->ext_capability &&
buflen - len > (unsigned) (11 + 2 * sta->ext_capability[0])) {
len += os_snprintf(buf + len, buflen - len, "ext_capab=");
len += wpa_snprintf_hex(buf + len, buflen - len,
sta->ext_capability + 1,
sta->ext_capability[0]);
len += os_snprintf(buf + len, buflen - len, "\n");
}
if (sta->flags & WLAN_STA_WDS && sta->ifname_wds) {
ret = os_snprintf(buf + len, buflen - len,
"wds_sta_ifname=%s\n", sta->ifname_wds);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
keyid = ap_sta_wpa_get_keyid(hapd, sta);
if (keyid) {
ret = os_snprintf(buf + len, buflen - len, "keyid=%s\n", keyid);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
return len;
}
int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
char *buf, size_t buflen)
{
return hostapd_ctrl_iface_sta_mib(hapd, hapd->sta_list, buf, buflen);
}
int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
char *buf, size_t buflen)
{
u8 addr[ETH_ALEN];
int ret;
const char *pos;
struct sta_info *sta;
if (hwaddr_aton(txtaddr, addr)) {
ret = os_snprintf(buf, buflen, "FAIL\n");
if (os_snprintf_error(buflen, ret))
return 0;
return ret;
}
sta = ap_get_sta(hapd, addr);
if (sta == NULL)
return -1;
pos = os_strchr(txtaddr, ' ');
if (pos) {
pos++;
#ifdef HOSTAPD_DUMP_STATE
if (os_strcmp(pos, "eapol") == 0) {
if (sta->eapol_sm == NULL)
return -1;
return eapol_auth_dump_state(sta->eapol_sm, buf,
buflen);
}
#endif /* HOSTAPD_DUMP_STATE */
return -1;
}
ret = hostapd_ctrl_iface_sta_mib(hapd, sta, buf, buflen);
ret += fst_ctrl_iface_mb_info(addr, buf + ret, buflen - ret);
return ret;
}
int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
char *buf, size_t buflen)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
int ret;
if (hwaddr_aton(txtaddr, addr) ||
(sta = ap_get_sta(hapd, addr)) == NULL) {
ret = os_snprintf(buf, buflen, "FAIL\n");
if (os_snprintf_error(buflen, ret))
return 0;
return ret;
}
if (!sta->next)
return 0;
return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
}
#ifdef CONFIG_P2P_MANAGER
static int p2p_manager_disconnect(struct hostapd_data *hapd, u16 stype,
u8 minor_reason_code, const u8 *addr)
{
struct ieee80211_mgmt *mgmt;
int ret;
u8 *pos;
if (!hapd->drv_priv || !hapd->driver->send_frame)
return -1;
mgmt = os_zalloc(sizeof(*mgmt) + 100);
if (mgmt == NULL)
return -1;
mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, stype);
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "P2P: Disconnect STA " MACSTR
" with minor reason code %u (stype=%u (%s))",
MAC2STR(addr), minor_reason_code, stype,
fc2str(le_to_host16(mgmt->frame_control)));
os_memcpy(mgmt->da, addr, ETH_ALEN);
os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
if (stype == WLAN_FC_STYPE_DEAUTH) {
mgmt->u.deauth.reason_code =
host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
pos = mgmt->u.deauth.variable;
} else {
mgmt->u.disassoc.reason_code =
host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
pos = mgmt->u.disassoc.variable;
}
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = 4 + 3 + 1;
WPA_PUT_BE32(pos, P2P_IE_VENDOR_TYPE);
pos += 4;
*pos++ = P2P_ATTR_MINOR_REASON_CODE;
WPA_PUT_LE16(pos, 1);
pos += 2;
*pos++ = minor_reason_code;
ret = hapd->driver->send_frame(hapd->drv_priv, (u8 *) mgmt,
pos - (u8 *) mgmt, 1);
os_free(mgmt);
return ret < 0 ? -1 : 0;
}
#endif /* CONFIG_P2P_MANAGER */
int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
const char *pos;
u16 reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DEAUTHENTICATE %s",
txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
pos = os_strstr(txtaddr, " reason=");
if (pos)
reason = atoi(pos + 8);
pos = os_strstr(txtaddr, " test=");
if (pos) {
struct ieee80211_mgmt mgmt;
int encrypt;
if (!hapd->drv_priv || !hapd->driver->send_frame)
return -1;
pos += 6;
encrypt = atoi(pos);
os_memset(&mgmt, 0, sizeof(mgmt));
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DEAUTH);
os_memcpy(mgmt.da, addr, ETH_ALEN);
os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
mgmt.u.deauth.reason_code = host_to_le16(reason);
if (hapd->driver->send_frame(hapd->drv_priv, (u8 *) &mgmt,
IEEE80211_HDRLEN +
sizeof(mgmt.u.deauth),
encrypt) < 0)
return -1;
return 0;
}
#ifdef CONFIG_P2P_MANAGER
pos = os_strstr(txtaddr, " p2p=");
if (pos) {
return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DEAUTH,
atoi(pos + 5), addr);
}
#endif /* CONFIG_P2P_MANAGER */
if (os_strstr(txtaddr, " tx=0"))
hostapd_drv_sta_remove(hapd, addr);
else
hostapd_drv_sta_deauth(hapd, addr, reason);
sta = ap_get_sta(hapd, addr);
if (sta)
ap_sta_deauthenticate(hapd, sta, reason);
else if (addr[0] == 0xff)
hostapd_free_stas(hapd);
return 0;
}
int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
const char *pos;
u16 reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DISASSOCIATE %s",
txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
pos = os_strstr(txtaddr, " reason=");
if (pos)
reason = atoi(pos + 8);
pos = os_strstr(txtaddr, " test=");
if (pos) {
struct ieee80211_mgmt mgmt;
int encrypt;
if (!hapd->drv_priv || !hapd->driver->send_frame)
return -1;
pos += 6;
encrypt = atoi(pos);
os_memset(&mgmt, 0, sizeof(mgmt));
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DISASSOC);
os_memcpy(mgmt.da, addr, ETH_ALEN);
os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
mgmt.u.disassoc.reason_code = host_to_le16(reason);
if (hapd->driver->send_frame(hapd->drv_priv, (u8 *) &mgmt,
IEEE80211_HDRLEN +
sizeof(mgmt.u.deauth),
encrypt) < 0)
return -1;
return 0;
}
#ifdef CONFIG_P2P_MANAGER
pos = os_strstr(txtaddr, " p2p=");
if (pos) {
return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DISASSOC,
atoi(pos + 5), addr);
}
#endif /* CONFIG_P2P_MANAGER */
if (os_strstr(txtaddr, " tx=0"))
hostapd_drv_sta_remove(hapd, addr);
else
hostapd_drv_sta_disassoc(hapd, addr, reason);
sta = ap_get_sta(hapd, addr);
if (sta)
ap_sta_disassociate(hapd, sta, reason);
else if (addr[0] == 0xff)
hostapd_free_stas(hapd);
return 0;
}
#ifdef CONFIG_TAXONOMY
int hostapd_ctrl_iface_signature(struct hostapd_data *hapd,
const char *txtaddr,
char *buf, size_t buflen)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE SIGNATURE %s", txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (!sta)
return -1;
return retrieve_sta_taxonomy(hapd, sta, buf, buflen);
}
#endif /* CONFIG_TAXONOMY */
int hostapd_ctrl_iface_poll_sta(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE POLL_STA %s", txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (!sta)
return -1;
hostapd_drv_poll_client(hapd, hapd->own_addr, addr,
sta->flags & WLAN_STA_WMM);
return 0;
}
int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
size_t buflen)
{
struct hostapd_iface *iface = hapd->iface;
struct hostapd_hw_modes *mode = iface->current_mode;
int len = 0, ret, j;
size_t i;
ret = os_snprintf(buf + len, buflen - len,
"state=%s\n"
"phy=%s\n"
"freq=%d\n"
"num_sta_non_erp=%d\n"
"num_sta_no_short_slot_time=%d\n"
"num_sta_no_short_preamble=%d\n"
"olbc=%d\n"
"num_sta_ht_no_gf=%d\n"
"num_sta_no_ht=%d\n"
"num_sta_ht_20_mhz=%d\n"
"num_sta_ht40_intolerant=%d\n"
"olbc_ht=%d\n"
"ht_op_mode=0x%x\n",
hostapd_state_text(iface->state),
iface->phy,
iface->freq,
iface->num_sta_non_erp,
iface->num_sta_no_short_slot_time,
iface->num_sta_no_short_preamble,
iface->olbc,
iface->num_sta_ht_no_gf,
iface->num_sta_no_ht,
iface->num_sta_ht_20mhz,
iface->num_sta_ht40_intolerant,
iface->olbc_ht,
iface->ht_op_mode);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
if (!iface->cac_started || !iface->dfs_cac_ms) {
ret = os_snprintf(buf + len, buflen - len,
"cac_time_seconds=%d\n"
"cac_time_left_seconds=N/A\n",
iface->dfs_cac_ms / 1000);
} else {
/* CAC started and CAC time set - calculate remaining time */
struct os_reltime now;
unsigned int left_time;
os_reltime_age(&iface->dfs_cac_start, &now);
left_time = iface->dfs_cac_ms / 1000 - now.sec;
ret = os_snprintf(buf + len, buflen - len,
"cac_time_seconds=%u\n"
"cac_time_left_seconds=%u\n",
iface->dfs_cac_ms / 1000,
left_time);
}
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
ret = os_snprintf(buf + len, buflen - len,
"channel=%u\n"
"secondary_channel=%d\n"
"ieee80211n=%d\n"
"ieee80211ac=%d\n"
"ieee80211ax=%d\n"
"beacon_int=%u\n"
"dtim_period=%d\n",
iface->conf->channel,
iface->conf->ieee80211n && !hapd->conf->disable_11n ?
iface->conf->secondary_channel : 0,
iface->conf->ieee80211n && !hapd->conf->disable_11n,
iface->conf->ieee80211ac &&
!hapd->conf->disable_11ac,
iface->conf->ieee80211ax,
iface->conf->beacon_int,
hapd->conf->dtim_period);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac) {
ret = os_snprintf(buf + len, buflen - len,
"vht_oper_chwidth=%d\n"
"vht_oper_centr_freq_seg0_idx=%d\n"
"vht_oper_centr_freq_seg1_idx=%d\n"
"vht_caps_info=%08x\n",
iface->conf->vht_oper_chwidth,
iface->conf->vht_oper_centr_freq_seg0_idx,
iface->conf->vht_oper_centr_freq_seg1_idx,
iface->conf->vht_capab);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac && mode) {
u16 rxmap = WPA_GET_LE16(&mode->vht_mcs_set[0]);
u16 txmap = WPA_GET_LE16(&mode->vht_mcs_set[4]);
ret = os_snprintf(buf + len, buflen - len,
"rx_vht_mcs_map=%04x\n"
"tx_vht_mcs_map=%04x\n",
rxmap, txmap);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (iface->conf->ieee80211n && !hapd->conf->disable_11n) {
ret = os_snprintf(buf + len, buflen - len,
"ht_caps_info=%04x\n",
hapd->iconf->ht_capab);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (iface->conf->ieee80211n && !hapd->conf->disable_11n && mode) {
len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
mode->mcs_set);
}
if (iface->current_rates && iface->num_rates) {
ret = os_snprintf(buf + len, buflen - len, "supported_rates=");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
for (j = 0; j < iface->num_rates; j++) {
ret = os_snprintf(buf + len, buflen - len, "%s%02x",
j > 0 ? " " : "",
iface->current_rates[j].rate / 5);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\n");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
for (j = 0; mode && j < mode->num_channels; j++) {
if (mode->channels[j].freq == iface->freq) {
ret = os_snprintf(buf + len, buflen - len,
"max_txpower=%u\n",
mode->channels[j].max_tx_power);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
break;
}
}
for (i = 0; i < iface->num_bss; i++) {
struct hostapd_data *bss = iface->bss[i];
ret = os_snprintf(buf + len, buflen - len,
"bss[%d]=%s\n"
"bssid[%d]=" MACSTR "\n"
"ssid[%d]=%s\n"
"num_sta[%d]=%d\n",
(int) i, bss->conf->iface,
(int) i, MAC2STR(bss->own_addr),
(int) i,
wpa_ssid_txt(bss->conf->ssid.ssid,
bss->conf->ssid.ssid_len),
(int) i, bss->num_sta);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (hapd->conf->chan_util_avg_period) {
ret = os_snprintf(buf + len, buflen - len,
"chan_util_avg=%u\n",
iface->chan_util_average);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
return len;
}
int hostapd_parse_csa_settings(const char *pos,
struct csa_settings *settings)
{
char *end;
os_memset(settings, 0, sizeof(*settings));
settings->cs_count = strtol(pos, &end, 10);
if (pos == end) {
wpa_printf(MSG_ERROR, "chanswitch: invalid cs_count provided");
return -1;
}
settings->freq_params.freq = atoi(end);
if (settings->freq_params.freq == 0) {
wpa_printf(MSG_ERROR, "chanswitch: invalid freq provided");
return -1;
}
#define SET_CSA_SETTING(str) \
do { \
const char *pos2 = os_strstr(pos, " " #str "="); \
if (pos2) { \
pos2 += sizeof(" " #str "=") - 1; \
settings->freq_params.str = atoi(pos2); \
} \
} while (0)
SET_CSA_SETTING(center_freq1);
SET_CSA_SETTING(center_freq2);
SET_CSA_SETTING(bandwidth);
SET_CSA_SETTING(sec_channel_offset);
settings->freq_params.ht_enabled = !!os_strstr(pos, " ht");
settings->freq_params.vht_enabled = !!os_strstr(pos, " vht");
settings->block_tx = !!os_strstr(pos, " blocktx");
#undef SET_CSA_SETTING
return 0;
}
int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd)
{
return hostapd_drv_stop_ap(hapd);
}
int hostapd_ctrl_iface_pmksa_list(struct hostapd_data *hapd, char *buf,
size_t len)
{
return wpa_auth_pmksa_list(hapd->wpa_auth, buf, len);
}
void hostapd_ctrl_iface_pmksa_flush(struct hostapd_data *hapd)
{
wpa_auth_pmksa_flush(hapd->wpa_auth);
}
int hostapd_ctrl_iface_pmksa_add(struct hostapd_data *hapd, char *cmd)
{
u8 spa[ETH_ALEN];
u8 pmkid[PMKID_LEN];
u8 pmk[PMK_LEN_MAX];
size_t pmk_len;
char *pos, *pos2;
int akmp = 0, expiration = 0;
/*
* Entry format:
* <STA addr> <PMKID> <PMK> <expiration in seconds> <akmp>
*/
if (hwaddr_aton(cmd, spa))
return -1;
pos = os_strchr(cmd, ' ');
if (!pos)
return -1;
pos++;
if (hexstr2bin(pos, pmkid, PMKID_LEN) < 0)
return -1;
pos = os_strchr(pos, ' ');
if (!pos)
return -1;
pos++;
pos2 = os_strchr(pos, ' ');
if (!pos2)
return -1;
pmk_len = (pos2 - pos) / 2;
if (pmk_len < PMK_LEN || pmk_len > PMK_LEN_MAX ||
hexstr2bin(pos, pmk, pmk_len) < 0)
return -1;
pos = pos2 + 1;
if (sscanf(pos, "%d %d", &expiration, &akmp) != 2)
return -1;
return wpa_auth_pmksa_add2(hapd->wpa_auth, spa, pmk, pmk_len,
pmkid, expiration, akmp);
}
#ifdef CONFIG_PMKSA_CACHE_EXTERNAL
#ifdef CONFIG_MESH
int hostapd_ctrl_iface_pmksa_list_mesh(struct hostapd_data *hapd,
const u8 *addr, char *buf, size_t len)
{
return wpa_auth_pmksa_list_mesh(hapd->wpa_auth, addr, buf, len);
}
void * hostapd_ctrl_iface_pmksa_create_entry(const u8 *aa, char *cmd)
{
u8 spa[ETH_ALEN];
u8 pmkid[PMKID_LEN];
u8 pmk[PMK_LEN_MAX];
char *pos;
int expiration;
/*
* Entry format:
* <BSSID> <PMKID> <PMK> <expiration in seconds>
*/
if (hwaddr_aton(cmd, spa))
return NULL;
pos = os_strchr(cmd, ' ');
if (!pos)
return NULL;
pos++;
if (hexstr2bin(pos, pmkid, PMKID_LEN) < 0)
return NULL;
pos = os_strchr(pos, ' ');
if (!pos)
return NULL;
pos++;
if (hexstr2bin(pos, pmk, PMK_LEN) < 0)
return NULL;
pos = os_strchr(pos, ' ');
if (!pos)
return NULL;
pos++;
if (sscanf(pos, "%d", &expiration) != 1)
return NULL;
return wpa_auth_pmksa_create_entry(aa, spa, pmk, pmkid, expiration);
}
#endif /* CONFIG_MESH */
#endif /* CONFIG_PMKSA_CACHE_EXTERNAL */

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/*
* Control interface for shared AP commands
* Copyright (c) 2004-2013, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef CTRL_IFACE_AP_H
#define CTRL_IFACE_AP_H
int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
char *buf, size_t buflen);
int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
char *buf, size_t buflen);
int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
char *buf, size_t buflen);
int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
const char *txtaddr);
int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
const char *txtaddr);
int hostapd_ctrl_iface_signature(struct hostapd_data *hapd,
const char *txtaddr,
char *buf, size_t buflen);
int hostapd_ctrl_iface_poll_sta(struct hostapd_data *hapd,
const char *txtaddr);
int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
size_t buflen);
int hostapd_parse_csa_settings(const char *pos,
struct csa_settings *settings);
int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd);
int hostapd_ctrl_iface_pmksa_list(struct hostapd_data *hapd, char *buf,
size_t len);
void hostapd_ctrl_iface_pmksa_flush(struct hostapd_data *hapd);
int hostapd_ctrl_iface_pmksa_add(struct hostapd_data *hapd, char *cmd);
int hostapd_ctrl_iface_pmksa_list_mesh(struct hostapd_data *hapd,
const u8 *addr, char *buf, size_t len);
void * hostapd_ctrl_iface_pmksa_create_entry(const u8 *aa, char *cmd);
#endif /* CTRL_IFACE_AP_H */

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hostapd-2.9/src/ap/dfs.c Normal file
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/*
* DFS - Dynamic Frequency Selection
* Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
* Copyright (c) 2013-2017, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef DFS_H
#define DFS_H
int hostapd_handle_dfs(struct hostapd_iface *iface);
int hostapd_dfs_complete_cac(struct hostapd_iface *iface, int success, int freq,
int ht_enabled, int chan_offset, int chan_width,
int cf1, int cf2);
int hostapd_dfs_pre_cac_expired(struct hostapd_iface *iface, int freq,
int ht_enabled, int chan_offset, int chan_width,
int cf1, int cf2);
int hostapd_dfs_radar_detected(struct hostapd_iface *iface, int freq,
int ht_enabled,
int chan_offset, int chan_width,
int cf1, int cf2);
int hostapd_dfs_nop_finished(struct hostapd_iface *iface, int freq,
int ht_enabled,
int chan_offset, int chan_width, int cf1, int cf2);
int hostapd_is_dfs_required(struct hostapd_iface *iface);
int hostapd_dfs_start_cac(struct hostapd_iface *iface, int freq,
int ht_enabled, int chan_offset, int chan_width,
int cf1, int cf2);
int hostapd_handle_dfs_offload(struct hostapd_iface *iface);
#endif /* DFS_H */

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/*
* DHCP snooping for Proxy ARP
* Copyright (c) 2014, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/dhcp.h"
#include "l2_packet/l2_packet.h"
#include "hostapd.h"
#include "sta_info.h"
#include "ap_drv_ops.h"
#include "x_snoop.h"
#include "dhcp_snoop.h"
static const char * ipaddr_str(u32 addr)
{
static char buf[17];
os_snprintf(buf, sizeof(buf), "%u.%u.%u.%u",
(addr >> 24) & 0xff, (addr >> 16) & 0xff,
(addr >> 8) & 0xff, addr & 0xff);
return buf;
}
static void handle_dhcp(void *ctx, const u8 *src_addr, const u8 *buf,
size_t len)
{
struct hostapd_data *hapd = ctx;
const struct bootp_pkt *b;
struct sta_info *sta;
int exten_len;
const u8 *end, *pos;
int res, msgtype = 0, prefixlen = 32;
u32 subnet_mask = 0;
u16 tot_len;
exten_len = len - ETH_HLEN - (sizeof(*b) - sizeof(b->exten));
if (exten_len < 4)
return;
b = (const struct bootp_pkt *) &buf[ETH_HLEN];
tot_len = ntohs(b->iph.tot_len);
if (tot_len > (unsigned int) (len - ETH_HLEN))
return;
if (WPA_GET_BE32(b->exten) != DHCP_MAGIC)
return;
/* Parse DHCP options */
end = (const u8 *) b + tot_len;
pos = &b->exten[4];
while (pos < end && *pos != DHCP_OPT_END) {
const u8 *opt = pos++;
if (*opt == DHCP_OPT_PAD)
continue;
if (pos >= end || 1 + *pos > end - pos)
break;
pos += *pos + 1;
if (pos >= end)
break;
switch (*opt) {
case DHCP_OPT_SUBNET_MASK:
if (opt[1] == 4)
subnet_mask = WPA_GET_BE32(&opt[2]);
if (subnet_mask == 0)
return;
while (!(subnet_mask & 0x1)) {
subnet_mask >>= 1;
prefixlen--;
}
break;
case DHCP_OPT_MSG_TYPE:
if (opt[1])
msgtype = opt[2];
break;
default:
break;
}
}
if (hapd->conf->disable_dgaf && is_broadcast_ether_addr(buf)) {
for (sta = hapd->sta_list; sta; sta = sta->next) {
if (!(sta->flags & WLAN_STA_AUTHORIZED))
continue;
x_snoop_mcast_to_ucast_convert_send(hapd, sta,
(u8 *) buf, len);
}
}
if (msgtype == DHCPACK) {
if (b->your_ip == 0)
return;
/* DHCPACK for DHCPREQUEST */
sta = ap_get_sta(hapd, b->hw_addr);
if (!sta)
return;
wpa_printf(MSG_DEBUG, "dhcp_snoop: Found DHCPACK for " MACSTR
" @ IPv4 address %s/%d",
MAC2STR(sta->addr),
ipaddr_str(be_to_host32(b->your_ip)),
prefixlen);
if (sta->ipaddr == b->your_ip)
return;
if (sta->ipaddr != 0) {
wpa_printf(MSG_DEBUG,
"dhcp_snoop: Removing IPv4 address %s from the ip neigh table",
ipaddr_str(be_to_host32(sta->ipaddr)));
hostapd_drv_br_delete_ip_neigh(hapd, 4,
(u8 *) &sta->ipaddr);
}
res = hostapd_drv_br_add_ip_neigh(hapd, 4, (u8 *) &b->your_ip,
prefixlen, sta->addr);
if (res) {
wpa_printf(MSG_DEBUG,
"dhcp_snoop: Adding ip neigh table failed: %d",
res);
return;
}
sta->ipaddr = b->your_ip;
}
}
int dhcp_snoop_init(struct hostapd_data *hapd)
{
hapd->sock_dhcp = x_snoop_get_l2_packet(hapd, handle_dhcp,
L2_PACKET_FILTER_DHCP);
if (hapd->sock_dhcp == NULL) {
wpa_printf(MSG_DEBUG,
"dhcp_snoop: Failed to initialize L2 packet processing for DHCP packet: %s",
strerror(errno));
return -1;
}
return 0;
}
void dhcp_snoop_deinit(struct hostapd_data *hapd)
{
l2_packet_deinit(hapd->sock_dhcp);
hapd->sock_dhcp = NULL;
}

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/*
* DHCP snooping for Proxy ARP
* Copyright (c) 2014, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef DHCP_SNOOP_H
#define DHCP_SNOOP_H
#ifdef CONFIG_PROXYARP
int dhcp_snoop_init(struct hostapd_data *hapd);
void dhcp_snoop_deinit(struct hostapd_data *hapd);
#else /* CONFIG_PROXYARP */
static inline int dhcp_snoop_init(struct hostapd_data *hapd)
{
return 0;
}
static inline void dhcp_snoop_deinit(struct hostapd_data *hapd)
{
}
#endif /* CONFIG_PROXYARP */
#endif /* DHCP_SNOOP_H */

1725
hostapd-2.9/src/ap/dpp_hostapd.c Normal file
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38
hostapd-2.9/src/ap/dpp_hostapd.h Normal file
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/*
* hostapd / DPP integration
* Copyright (c) 2017, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef DPP_HOSTAPD_H
#define DPP_HOSTAPD_H
int hostapd_dpp_qr_code(struct hostapd_data *hapd, const char *cmd);
int hostapd_dpp_auth_init(struct hostapd_data *hapd, const char *cmd);
int hostapd_dpp_listen(struct hostapd_data *hapd, const char *cmd);
void hostapd_dpp_listen_stop(struct hostapd_data *hapd);
void hostapd_dpp_rx_action(struct hostapd_data *hapd, const u8 *src,
const u8 *buf, size_t len, unsigned int freq);
void hostapd_dpp_tx_status(struct hostapd_data *hapd, const u8 *dst,
const u8 *data, size_t data_len, int ok);
struct wpabuf *
hostapd_dpp_gas_req_handler(struct hostapd_data *hapd, const u8 *sa,
const u8 *query, size_t query_len,
const u8 *data, size_t data_len);
void hostapd_dpp_gas_status_handler(struct hostapd_data *hapd, int ok);
int hostapd_dpp_configurator_add(struct hostapd_data *hapd, const char *cmd);
int hostapd_dpp_configurator_remove(struct hostapd_data *hapd, const char *id);
int hostapd_dpp_configurator_sign(struct hostapd_data *hapd, const char *cmd);
int hostapd_dpp_configurator_get_key(struct hostapd_data *hapd, unsigned int id,
char *buf, size_t buflen);
int hostapd_dpp_pkex_add(struct hostapd_data *hapd, const char *cmd);
int hostapd_dpp_pkex_remove(struct hostapd_data *hapd, const char *id);
void hostapd_dpp_stop(struct hostapd_data *hapd);
int hostapd_dpp_init(struct hostapd_data *hapd);
void hostapd_dpp_deinit(struct hostapd_data *hapd);
void hostapd_dpp_init_global(struct hapd_interfaces *ifaces);
void hostapd_dpp_deinit_global(struct hapd_interfaces *ifaces);
#endif /* DPP_HOSTAPD_H */

1931
hostapd-2.9/src/ap/drv_callbacks.c Normal file
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290
hostapd-2.9/src/ap/eap_user_db.c Normal file
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/*
* hostapd / EAP user database
* Copyright (c) 2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#ifdef CONFIG_SQLITE
#include <sqlite3.h>
#endif /* CONFIG_SQLITE */
#include "common.h"
#include "eap_common/eap_wsc_common.h"
#include "eap_server/eap_methods.h"
#include "eap_server/eap.h"
#include "ap_config.h"
#include "hostapd.h"
#ifdef CONFIG_SQLITE
static void set_user_methods(struct hostapd_eap_user *user, const char *methods)
{
char *buf, *start;
int num_methods;
buf = os_strdup(methods);
if (buf == NULL)
return;
os_memset(&user->methods, 0, sizeof(user->methods));
num_methods = 0;
start = buf;
while (*start) {
char *pos3 = os_strchr(start, ',');
if (pos3)
*pos3++ = '\0';
user->methods[num_methods].method =
eap_server_get_type(start,
&user->methods[num_methods].vendor);
if (user->methods[num_methods].vendor == EAP_VENDOR_IETF &&
user->methods[num_methods].method == EAP_TYPE_NONE) {
if (os_strcmp(start, "TTLS-PAP") == 0) {
user->ttls_auth |= EAP_TTLS_AUTH_PAP;
goto skip_eap;
}
if (os_strcmp(start, "TTLS-CHAP") == 0) {
user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
goto skip_eap;
}
if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
user->ttls_auth |= EAP_TTLS_AUTH_MSCHAP;
goto skip_eap;
}
if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
user->ttls_auth |= EAP_TTLS_AUTH_MSCHAPV2;
goto skip_eap;
}
wpa_printf(MSG_INFO, "DB: Unsupported EAP type '%s'",
start);
os_free(buf);
return;
}
num_methods++;
if (num_methods >= EAP_MAX_METHODS)
break;
skip_eap:
if (pos3 == NULL)
break;
start = pos3;
}
os_free(buf);
}
static int get_user_cb(void *ctx, int argc, char *argv[], char *col[])
{
struct hostapd_eap_user *user = ctx;
int i;
for (i = 0; i < argc; i++) {
if (os_strcmp(col[i], "password") == 0 && argv[i]) {
bin_clear_free(user->password, user->password_len);
user->password_len = os_strlen(argv[i]);
user->password = (u8 *) os_strdup(argv[i]);
user->next = (void *) 1;
} else if (os_strcmp(col[i], "methods") == 0 && argv[i]) {
set_user_methods(user, argv[i]);
} else if (os_strcmp(col[i], "remediation") == 0 && argv[i]) {
user->remediation = strlen(argv[i]) > 0;
} else if (os_strcmp(col[i], "t_c_timestamp") == 0 && argv[i]) {
user->t_c_timestamp = strtol(argv[i], NULL, 10);
}
}
return 0;
}
static int get_wildcard_cb(void *ctx, int argc, char *argv[], char *col[])
{
struct hostapd_eap_user *user = ctx;
int i, id = -1, methods = -1;
size_t len;
for (i = 0; i < argc; i++) {
if (os_strcmp(col[i], "identity") == 0 && argv[i])
id = i;
else if (os_strcmp(col[i], "methods") == 0 && argv[i])
methods = i;
}
if (id < 0 || methods < 0)
return 0;
len = os_strlen(argv[id]);
if (len <= user->identity_len &&
os_memcmp(argv[id], user->identity, len) == 0 &&
(user->password == NULL || len > user->password_len)) {
bin_clear_free(user->password, user->password_len);
user->password_len = os_strlen(argv[id]);
user->password = (u8 *) os_strdup(argv[id]);
user->next = (void *) 1;
set_user_methods(user, argv[methods]);
}
return 0;
}
static const struct hostapd_eap_user *
eap_user_sqlite_get(struct hostapd_data *hapd, const u8 *identity,
size_t identity_len, int phase2)
{
sqlite3 *db;
struct hostapd_eap_user *user = NULL;
char id_str[256], cmd[300];
size_t i;
int res;
if (identity_len >= sizeof(id_str)) {
wpa_printf(MSG_DEBUG, "%s: identity len too big: %d >= %d",
__func__, (int) identity_len,
(int) (sizeof(id_str)));
return NULL;
}
os_memcpy(id_str, identity, identity_len);
id_str[identity_len] = '\0';
for (i = 0; i < identity_len; i++) {
if (id_str[i] >= 'a' && id_str[i] <= 'z')
continue;
if (id_str[i] >= 'A' && id_str[i] <= 'Z')
continue;
if (id_str[i] >= '0' && id_str[i] <= '9')
continue;
if (id_str[i] == '-' || id_str[i] == '_' || id_str[i] == '.' ||
id_str[i] == ',' || id_str[i] == '@' || id_str[i] == '\\' ||
id_str[i] == '!' || id_str[i] == '#' || id_str[i] == '%' ||
id_str[i] == '=' || id_str[i] == ' ')
continue;
wpa_printf(MSG_INFO, "DB: Unsupported character in identity");
return NULL;
}
bin_clear_free(hapd->tmp_eap_user.identity,
hapd->tmp_eap_user.identity_len);
bin_clear_free(hapd->tmp_eap_user.password,
hapd->tmp_eap_user.password_len);
os_memset(&hapd->tmp_eap_user, 0, sizeof(hapd->tmp_eap_user));
hapd->tmp_eap_user.phase2 = phase2;
hapd->tmp_eap_user.identity = os_zalloc(identity_len + 1);
if (hapd->tmp_eap_user.identity == NULL)
return NULL;
os_memcpy(hapd->tmp_eap_user.identity, identity, identity_len);
hapd->tmp_eap_user.identity_len = identity_len;
if (sqlite3_open(hapd->conf->eap_user_sqlite, &db)) {
wpa_printf(MSG_INFO, "DB: Failed to open database %s: %s",
hapd->conf->eap_user_sqlite, sqlite3_errmsg(db));
sqlite3_close(db);
return NULL;
}
res = os_snprintf(cmd, sizeof(cmd),
"SELECT * FROM users WHERE identity='%s' AND phase2=%d;",
id_str, phase2);
if (os_snprintf_error(sizeof(cmd), res))
goto fail;
wpa_printf(MSG_DEBUG, "DB: %s", cmd);
if (sqlite3_exec(db, cmd, get_user_cb, &hapd->tmp_eap_user, NULL) !=
SQLITE_OK) {
wpa_printf(MSG_DEBUG,
"DB: Failed to complete SQL operation: %s db: %s",
sqlite3_errmsg(db), hapd->conf->eap_user_sqlite);
} else if (hapd->tmp_eap_user.next)
user = &hapd->tmp_eap_user;
if (user == NULL && !phase2) {
os_snprintf(cmd, sizeof(cmd),
"SELECT identity,methods FROM wildcards;");
wpa_printf(MSG_DEBUG, "DB: %s", cmd);
if (sqlite3_exec(db, cmd, get_wildcard_cb, &hapd->tmp_eap_user,
NULL) != SQLITE_OK) {
wpa_printf(MSG_DEBUG,
"DB: Failed to complete SQL operation: %s db: %s",
sqlite3_errmsg(db),
hapd->conf->eap_user_sqlite);
} else if (hapd->tmp_eap_user.next) {
user = &hapd->tmp_eap_user;
os_free(user->identity);
user->identity = user->password;
user->identity_len = user->password_len;
user->password = NULL;
user->password_len = 0;
}
}
fail:
sqlite3_close(db);
return user;
}
#endif /* CONFIG_SQLITE */
const struct hostapd_eap_user *
hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
size_t identity_len, int phase2)
{
const struct hostapd_bss_config *conf = hapd->conf;
struct hostapd_eap_user *user = conf->eap_user;
#ifdef CONFIG_WPS
if (conf->wps_state && identity_len == WSC_ID_ENROLLEE_LEN &&
os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0) {
static struct hostapd_eap_user wsc_enrollee;
os_memset(&wsc_enrollee, 0, sizeof(wsc_enrollee));
wsc_enrollee.methods[0].method = eap_server_get_type(
"WSC", &wsc_enrollee.methods[0].vendor);
return &wsc_enrollee;
}
if (conf->wps_state && identity_len == WSC_ID_REGISTRAR_LEN &&
os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0) {
static struct hostapd_eap_user wsc_registrar;
os_memset(&wsc_registrar, 0, sizeof(wsc_registrar));
wsc_registrar.methods[0].method = eap_server_get_type(
"WSC", &wsc_registrar.methods[0].vendor);
wsc_registrar.password = (u8 *) conf->ap_pin;
wsc_registrar.password_len = conf->ap_pin ?
os_strlen(conf->ap_pin) : 0;
return &wsc_registrar;
}
#endif /* CONFIG_WPS */
while (user) {
if (!phase2 && user->identity == NULL) {
/* Wildcard match */
break;
}
if (user->phase2 == !!phase2 && user->wildcard_prefix &&
identity_len >= user->identity_len &&
os_memcmp(user->identity, identity, user->identity_len) ==
0) {
/* Wildcard prefix match */
break;
}
if (user->phase2 == !!phase2 &&
user->identity_len == identity_len &&
os_memcmp(user->identity, identity, identity_len) == 0)
break;
user = user->next;
}
#ifdef CONFIG_SQLITE
if (user == NULL && conf->eap_user_sqlite) {
return eap_user_sqlite_get(hapd, identity, identity_len,
phase2);
}
#endif /* CONFIG_SQLITE */
return user;
}

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hostapd-2.9/src/ap/eth_p_oui.c Normal file
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/*
* hostapd / IEEE 802 OUI Extended EtherType 88-B7
* Copyright (c) 2016, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "l2_packet/l2_packet.h"
#include "hostapd.h"
#include "eth_p_oui.h"
/*
* See IEEE Std 802-2014, Clause 9.2.4 for the definition of the OUI Extended
* EtherType 88-B7. This file implements this with OUI 00:13:74 and
* vendor-specific subtype 0x0001.
*/
static const u8 global_oui[] = { 0x00, 0x13, 0x74, 0x00, 0x01 };
struct eth_p_oui_iface {
struct dl_list list;
char ifname[IFNAMSIZ + 1];
struct l2_packet_data *l2;
struct dl_list receiver;
};
struct eth_p_oui_ctx {
struct dl_list list;
struct eth_p_oui_iface *iface;
/* all data needed to deliver and unregister */
u8 oui_suffix; /* last byte of OUI */
void (*rx_callback)(void *ctx, const u8 *src_addr,
const u8 *dst_addr, u8 oui_suffix,
const u8 *buf, size_t len);
void *rx_callback_ctx;
};
void eth_p_oui_deliver(struct eth_p_oui_ctx *ctx, const u8 *src_addr,
const u8 *dst_addr, const u8 *buf, size_t len)
{
ctx->rx_callback(ctx->rx_callback_ctx, src_addr, dst_addr,
ctx->oui_suffix, buf, len);
}
static void eth_p_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
{
struct eth_p_oui_iface *iface = ctx;
struct eth_p_oui_ctx *receiver;
const struct l2_ethhdr *ethhdr;
if (len < sizeof(*ethhdr) + sizeof(global_oui) + 1) {
/* too short packet */
return;
}
ethhdr = (struct l2_ethhdr *) buf;
/* trim eth_hdr from buf and len */
buf += sizeof(*ethhdr);
len -= sizeof(*ethhdr);
/* verify OUI and vendor-specific subtype match */
if (os_memcmp(buf, global_oui, sizeof(global_oui)) != 0)
return;
buf += sizeof(global_oui);
len -= sizeof(global_oui);
dl_list_for_each(receiver, &iface->receiver,
struct eth_p_oui_ctx, list) {
if (buf[0] != receiver->oui_suffix)
continue;
eth_p_oui_deliver(receiver, ethhdr->h_source, ethhdr->h_dest,
buf + 1, len - 1);
}
}
struct eth_p_oui_ctx *
eth_p_oui_register(struct hostapd_data *hapd, const char *ifname, u8 oui_suffix,
void (*rx_callback)(void *ctx, const u8 *src_addr,
const u8 *dst_addr, u8 oui_suffix,
const u8 *buf, size_t len),
void *rx_callback_ctx)
{
struct eth_p_oui_iface *iface;
struct eth_p_oui_ctx *receiver;
int found = 0;
struct hapd_interfaces *interfaces;
receiver = os_zalloc(sizeof(*receiver));
if (!receiver)
goto err;
receiver->oui_suffix = oui_suffix;
receiver->rx_callback = rx_callback;
receiver->rx_callback_ctx = rx_callback_ctx;
interfaces = hapd->iface->interfaces;
dl_list_for_each(iface, &interfaces->eth_p_oui, struct eth_p_oui_iface,
list) {
if (os_strcmp(iface->ifname, ifname) != 0)
continue;
found = 1;
break;
}
if (!found) {
iface = os_zalloc(sizeof(*iface));
if (!iface)
goto err;
os_strlcpy(iface->ifname, ifname, sizeof(iface->ifname));
iface->l2 = l2_packet_init(ifname, NULL, ETH_P_OUI, eth_p_rx,
iface, 1);
if (!iface->l2) {
os_free(iface);
goto err;
}
dl_list_init(&iface->receiver);
dl_list_add_tail(&interfaces->eth_p_oui, &iface->list);
}
dl_list_add_tail(&iface->receiver, &receiver->list);
receiver->iface = iface;
return receiver;
err:
os_free(receiver);
return NULL;
}
void eth_p_oui_unregister(struct eth_p_oui_ctx *ctx)
{
struct eth_p_oui_iface *iface;
if (!ctx)
return;
iface = ctx->iface;
dl_list_del(&ctx->list);
os_free(ctx);
if (dl_list_empty(&iface->receiver)) {
dl_list_del(&iface->list);
l2_packet_deinit(iface->l2);
os_free(iface);
}
}
int eth_p_oui_send(struct eth_p_oui_ctx *ctx, const u8 *src_addr,
const u8 *dst_addr, const u8 *buf, size_t len)
{
struct eth_p_oui_iface *iface = ctx->iface;
u8 *packet, *p;
size_t packet_len;
int ret;
struct l2_ethhdr *ethhdr;
packet_len = sizeof(*ethhdr) + sizeof(global_oui) + 1 + len;
packet = os_zalloc(packet_len);
if (!packet)
return -1;
p = packet;
ethhdr = (struct l2_ethhdr *) packet;
os_memcpy(ethhdr->h_source, src_addr, ETH_ALEN);
os_memcpy(ethhdr->h_dest, dst_addr, ETH_ALEN);
ethhdr->h_proto = host_to_be16(ETH_P_OUI);
p += sizeof(*ethhdr);
os_memcpy(p, global_oui, sizeof(global_oui));
p[sizeof(global_oui)] = ctx->oui_suffix;
p += sizeof(global_oui) + 1;
os_memcpy(p, buf, len);
ret = l2_packet_send(iface->l2, NULL, 0, packet, packet_len);
os_free(packet);
return ret;
}

28
hostapd-2.9/src/ap/eth_p_oui.h Normal file
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@ -0,0 +1,28 @@
/*
* hostapd / IEEE 802 OUI Extended Ethertype
* Copyright (c) 2016, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef ETH_P_OUI_H
#define ETH_P_OUI_H
struct eth_p_oui_ctx;
struct hostapd_data;
/* rx_callback only gets payload after OUI passed as buf */
struct eth_p_oui_ctx *
eth_p_oui_register(struct hostapd_data *hapd, const char *ifname, u8 oui_suffix,
void (*rx_callback)(void *ctx, const u8 *src_addr,
const u8 *dst_addr, u8 oui_suffix,
const u8 *buf, size_t len),
void *rx_callback_ctx);
void eth_p_oui_unregister(struct eth_p_oui_ctx *eth_p_oui);
int eth_p_oui_send(struct eth_p_oui_ctx *ctx, const u8 *src_addr,
const u8 *dst_addr, const u8 *buf, size_t len);
void eth_p_oui_deliver(struct eth_p_oui_ctx *ctx, const u8 *src_addr,
const u8 *dst_addr, const u8 *buf, size_t len);
#endif /* ETH_P_OUI_H */

654
hostapd-2.9/src/ap/fils_hlp.c Normal file
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/*
* FILS HLP request processing
* Copyright (c) 2017, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/dhcp.h"
#include "hostapd.h"
#include "sta_info.h"
#include "ieee802_11.h"
#include "fils_hlp.h"
static be16 ip_checksum(const void *buf, size_t len)
{
u32 sum = 0;
const u16 *pos;
for (pos = buf; len >= 2; len -= 2)
sum += ntohs(*pos++);
if (len)
sum += ntohs(*pos << 8);
sum = (sum >> 16) + (sum & 0xffff);
sum += sum >> 16;
return htons(~sum);
}
static int fils_dhcp_request(struct hostapd_data *hapd, struct sta_info *sta,
struct dhcp_data *dhcpoffer, u8 *dhcpofferend)
{
u8 *pos, *end;
struct dhcp_data *dhcp;
struct sockaddr_in addr;
ssize_t res;
const u8 *server_id = NULL;
if (!sta->hlp_dhcp_discover) {
wpa_printf(MSG_DEBUG,
"FILS: No pending HLP DHCPDISCOVER available");
return -1;
}
/* Convert to DHCPREQUEST, remove rapid commit option, replace requested
* IP address option with yiaddr. */
pos = wpabuf_mhead(sta->hlp_dhcp_discover);
end = pos + wpabuf_len(sta->hlp_dhcp_discover);
dhcp = (struct dhcp_data *) pos;
pos = (u8 *) (dhcp + 1);
pos += 4; /* skip magic */
while (pos < end && *pos != DHCP_OPT_END) {
u8 opt, olen;
opt = *pos++;
if (opt == DHCP_OPT_PAD)
continue;
if (pos >= end)
break;
olen = *pos++;
if (olen > end - pos)
break;
switch (opt) {
case DHCP_OPT_MSG_TYPE:
if (olen > 0)
*pos = DHCPREQUEST;
break;
case DHCP_OPT_RAPID_COMMIT:
case DHCP_OPT_REQUESTED_IP_ADDRESS:
case DHCP_OPT_SERVER_ID:
/* Remove option */
pos -= 2;
os_memmove(pos, pos + 2 + olen, end - pos - 2 - olen);
end -= 2 + olen;
olen = 0;
break;
}
pos += olen;
}
if (pos >= end || *pos != DHCP_OPT_END) {
wpa_printf(MSG_DEBUG, "FILS: Could not update DHCPDISCOVER");
return -1;
}
sta->hlp_dhcp_discover->used = pos - (u8 *) dhcp;
/* Copy Server ID option from DHCPOFFER to DHCPREQUEST */
pos = (u8 *) (dhcpoffer + 1);
end = dhcpofferend;
pos += 4; /* skip magic */
while (pos < end && *pos != DHCP_OPT_END) {
u8 opt, olen;
opt = *pos++;
if (opt == DHCP_OPT_PAD)
continue;
if (pos >= end)
break;
olen = *pos++;
if (olen > end - pos)
break;
switch (opt) {
case DHCP_OPT_SERVER_ID:
server_id = pos - 2;
break;
}
pos += olen;
}
if (wpabuf_resize(&sta->hlp_dhcp_discover,
6 + 1 + (server_id ? 2 + server_id[1] : 0)))
return -1;
if (server_id)
wpabuf_put_data(sta->hlp_dhcp_discover, server_id,
2 + server_id[1]);
wpabuf_put_u8(sta->hlp_dhcp_discover, DHCP_OPT_REQUESTED_IP_ADDRESS);
wpabuf_put_u8(sta->hlp_dhcp_discover, 4);
wpabuf_put_data(sta->hlp_dhcp_discover, &dhcpoffer->your_ip, 4);
wpabuf_put_u8(sta->hlp_dhcp_discover, DHCP_OPT_END);
os_memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = hapd->conf->dhcp_server.u.v4.s_addr;
addr.sin_port = htons(hapd->conf->dhcp_server_port);
res = sendto(hapd->dhcp_sock, wpabuf_head(sta->hlp_dhcp_discover),
wpabuf_len(sta->hlp_dhcp_discover), 0,
(const struct sockaddr *) &addr, sizeof(addr));
if (res < 0) {
wpa_printf(MSG_ERROR, "FILS: DHCP sendto failed: %s",
strerror(errno));
return -1;
}
wpa_printf(MSG_DEBUG,
"FILS: Acting as DHCP rapid commit proxy for %s:%d",
inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
wpabuf_free(sta->hlp_dhcp_discover);
sta->hlp_dhcp_discover = NULL;
sta->fils_dhcp_rapid_commit_proxy = 1;
return 0;
}
static void fils_dhcp_handler(int sd, void *eloop_ctx, void *sock_ctx)
{
struct hostapd_data *hapd = sock_ctx;
struct sta_info *sta;
u8 buf[1500], *pos, *end, *end_opt = NULL;
struct dhcp_data *dhcp;
struct sockaddr_in addr;
socklen_t addr_len;
ssize_t res;
u8 msgtype = 0;
int rapid_commit = 0;
struct iphdr *iph;
struct udphdr *udph;
struct wpabuf *resp;
const u8 *rpos;
size_t left, len;
addr_len = sizeof(addr);
res = recvfrom(sd, buf, sizeof(buf), 0,
(struct sockaddr *) &addr, &addr_len);
if (res < 0) {
wpa_printf(MSG_DEBUG, "FILS: DHCP read failed: %s",
strerror(errno));
return;
}
wpa_printf(MSG_DEBUG, "FILS: DHCP response from server %s:%d (len=%d)",
inet_ntoa(addr.sin_addr), ntohs(addr.sin_port), (int) res);
wpa_hexdump(MSG_MSGDUMP, "FILS: HLP - DHCP server response", buf, res);
if ((size_t) res < sizeof(*dhcp))
return;
dhcp = (struct dhcp_data *) buf;
if (dhcp->op != 2)
return; /* Not a BOOTREPLY */
if (dhcp->relay_ip != hapd->conf->own_ip_addr.u.v4.s_addr) {
wpa_printf(MSG_DEBUG,
"FILS: HLP - DHCP response to unknown relay address 0x%x",
dhcp->relay_ip);
return;
}
dhcp->relay_ip = 0;
pos = (u8 *) (dhcp + 1);
end = &buf[res];
if (end - pos < 4 || WPA_GET_BE32(pos) != DHCP_MAGIC) {
wpa_printf(MSG_DEBUG, "FILS: HLP - no DHCP magic in response");
return;
}
pos += 4;
wpa_hexdump(MSG_DEBUG, "FILS: HLP - DHCP options in response",
pos, end - pos);
while (pos < end && *pos != DHCP_OPT_END) {
u8 opt, olen;
opt = *pos++;
if (opt == DHCP_OPT_PAD)
continue;
if (pos >= end)
break;
olen = *pos++;
if (olen > end - pos)
break;
switch (opt) {
case DHCP_OPT_MSG_TYPE:
if (olen > 0)
msgtype = pos[0];
break;
case DHCP_OPT_RAPID_COMMIT:
rapid_commit = 1;
break;
}
pos += olen;
}
if (pos < end && *pos == DHCP_OPT_END)
end_opt = pos;
wpa_printf(MSG_DEBUG,
"FILS: HLP - DHCP message type %u (rapid_commit=%d hw_addr="
MACSTR ")",
msgtype, rapid_commit, MAC2STR(dhcp->hw_addr));
sta = ap_get_sta(hapd, dhcp->hw_addr);
if (!sta || !sta->fils_pending_assoc_req) {
wpa_printf(MSG_DEBUG,
"FILS: No pending HLP DHCP exchange with hw_addr "
MACSTR, MAC2STR(dhcp->hw_addr));
return;
}
if (hapd->conf->dhcp_rapid_commit_proxy && msgtype == DHCPOFFER &&
!rapid_commit) {
/* Use hostapd to take care of 4-message exchange and convert
* the final DHCPACK to rapid commit version. */
if (fils_dhcp_request(hapd, sta, dhcp, end) == 0)
return;
/* failed, so send the server response as-is */
} else if (msgtype != DHCPACK) {
wpa_printf(MSG_DEBUG,
"FILS: No DHCPACK available from the server and cannot do rapid commit proxying");
}
pos = buf;
resp = wpabuf_alloc(2 * ETH_ALEN + 6 + 2 +
sizeof(*iph) + sizeof(*udph) + (end - pos) + 2);
if (!resp)
return;
wpabuf_put_data(resp, sta->addr, ETH_ALEN);
wpabuf_put_data(resp, hapd->own_addr, ETH_ALEN);
wpabuf_put_data(resp, "\xaa\xaa\x03\x00\x00\x00", 6);
wpabuf_put_be16(resp, ETH_P_IP);
iph = wpabuf_put(resp, sizeof(*iph));
iph->version = 4;
iph->ihl = sizeof(*iph) / 4;
iph->tot_len = htons(sizeof(*iph) + sizeof(*udph) + (end - pos));
iph->ttl = 1;
iph->protocol = 17; /* UDP */
iph->saddr = hapd->conf->dhcp_server.u.v4.s_addr;
iph->daddr = dhcp->client_ip;
iph->check = ip_checksum(iph, sizeof(*iph));
udph = wpabuf_put(resp, sizeof(*udph));
udph->uh_sport = htons(DHCP_SERVER_PORT);
udph->uh_dport = htons(DHCP_CLIENT_PORT);
udph->uh_ulen = htons(sizeof(*udph) + (end - pos));
udph->uh_sum = htons(0x0000); /* TODO: calculate checksum */
if (hapd->conf->dhcp_rapid_commit_proxy && msgtype == DHCPACK &&
!rapid_commit && sta->fils_dhcp_rapid_commit_proxy && end_opt) {
/* Add rapid commit option */
wpabuf_put_data(resp, pos, end_opt - pos);
wpabuf_put_u8(resp, DHCP_OPT_RAPID_COMMIT);
wpabuf_put_u8(resp, 0);
wpabuf_put_data(resp, end_opt, end - end_opt);
} else {
wpabuf_put_data(resp, pos, end - pos);
}
if (wpabuf_resize(&sta->fils_hlp_resp, wpabuf_len(resp) +
2 * wpabuf_len(resp) / 255 + 100)) {
wpabuf_free(resp);
return;
}
rpos = wpabuf_head(resp);
left = wpabuf_len(resp);
wpabuf_put_u8(sta->fils_hlp_resp, WLAN_EID_EXTENSION); /* Element ID */
if (left <= 254)
len = 1 + left;
else
len = 255;
wpabuf_put_u8(sta->fils_hlp_resp, len); /* Length */
/* Element ID Extension */
wpabuf_put_u8(sta->fils_hlp_resp, WLAN_EID_EXT_FILS_HLP_CONTAINER);
/* Destination MAC Address, Source MAC Address, HLP Packet.
* HLP Packet is in MSDU format (i.e., including the LLC/SNAP header
* when LPD is used). */
wpabuf_put_data(sta->fils_hlp_resp, rpos, len - 1);
rpos += len - 1;
left -= len - 1;
while (left) {
wpabuf_put_u8(sta->fils_hlp_resp, WLAN_EID_FRAGMENT);
len = left > 255 ? 255 : left;
wpabuf_put_u8(sta->fils_hlp_resp, len);
wpabuf_put_data(sta->fils_hlp_resp, rpos, len);
rpos += len;
left -= len;
}
wpabuf_free(resp);
if (sta->fils_drv_assoc_finish)
hostapd_notify_assoc_fils_finish(hapd, sta);
else
fils_hlp_finish_assoc(hapd, sta);
}
static int fils_process_hlp_dhcp(struct hostapd_data *hapd,
struct sta_info *sta,
const u8 *msg, size_t len)
{
const struct dhcp_data *dhcp;
struct wpabuf *dhcp_buf;
struct dhcp_data *dhcp_msg;
u8 msgtype = 0;
int rapid_commit = 0;
const u8 *pos = msg, *end;
struct sockaddr_in addr;
ssize_t res;
if (len < sizeof(*dhcp))
return 0;
dhcp = (const struct dhcp_data *) pos;
end = pos + len;
wpa_printf(MSG_DEBUG,
"FILS: HLP request DHCP: op=%u htype=%u hlen=%u hops=%u xid=0x%x",
dhcp->op, dhcp->htype, dhcp->hlen, dhcp->hops,
ntohl(dhcp->xid));
pos += sizeof(*dhcp);
if (dhcp->op != 1)
return 0; /* Not a BOOTREQUEST */
if (end - pos < 4)
return 0;
if (WPA_GET_BE32(pos) != DHCP_MAGIC) {
wpa_printf(MSG_DEBUG, "FILS: HLP - no DHCP magic");
return 0;
}
pos += 4;
wpa_hexdump(MSG_DEBUG, "FILS: HLP - DHCP options", pos, end - pos);
while (pos < end && *pos != DHCP_OPT_END) {
u8 opt, olen;
opt = *pos++;
if (opt == DHCP_OPT_PAD)
continue;
if (pos >= end)
break;
olen = *pos++;
if (olen > end - pos)
break;
switch (opt) {
case DHCP_OPT_MSG_TYPE:
if (olen > 0)
msgtype = pos[0];
break;
case DHCP_OPT_RAPID_COMMIT:
rapid_commit = 1;
break;
}
pos += olen;
}
wpa_printf(MSG_DEBUG, "FILS: HLP - DHCP message type %u", msgtype);
if (msgtype != DHCPDISCOVER)
return 0;
if (hapd->conf->dhcp_server.af != AF_INET ||
hapd->conf->dhcp_server.u.v4.s_addr == 0) {
wpa_printf(MSG_DEBUG,
"FILS: HLP - no DHCPv4 server configured - drop request");
return 0;
}
if (hapd->conf->own_ip_addr.af != AF_INET ||
hapd->conf->own_ip_addr.u.v4.s_addr == 0) {
wpa_printf(MSG_DEBUG,
"FILS: HLP - no IPv4 own_ip_addr configured - drop request");
return 0;
}
if (hapd->dhcp_sock < 0) {
int s;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s < 0) {
wpa_printf(MSG_ERROR,
"FILS: Failed to open DHCP socket: %s",
strerror(errno));
return 0;
}
if (hapd->conf->dhcp_relay_port) {
os_memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr =
hapd->conf->own_ip_addr.u.v4.s_addr;
addr.sin_port = htons(hapd->conf->dhcp_relay_port);
if (bind(s, (struct sockaddr *) &addr, sizeof(addr))) {
wpa_printf(MSG_ERROR,
"FILS: Failed to bind DHCP socket: %s",
strerror(errno));
close(s);
return 0;
}
}
if (eloop_register_sock(s, EVENT_TYPE_READ,
fils_dhcp_handler, NULL, hapd)) {
close(s);
return 0;
}
hapd->dhcp_sock = s;
}
dhcp_buf = wpabuf_alloc(len);
if (!dhcp_buf)
return 0;
dhcp_msg = wpabuf_put(dhcp_buf, len);
os_memcpy(dhcp_msg, msg, len);
dhcp_msg->relay_ip = hapd->conf->own_ip_addr.u.v4.s_addr;
os_memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = hapd->conf->dhcp_server.u.v4.s_addr;
addr.sin_port = htons(hapd->conf->dhcp_server_port);
res = sendto(hapd->dhcp_sock, dhcp_msg, len, 0,
(const struct sockaddr *) &addr, sizeof(addr));
if (res < 0) {
wpa_printf(MSG_ERROR, "FILS: DHCP sendto failed: %s",
strerror(errno));
wpabuf_free(dhcp_buf);
/* Close the socket to try to recover from error */
eloop_unregister_read_sock(hapd->dhcp_sock);
close(hapd->dhcp_sock);
hapd->dhcp_sock = -1;
return 0;
}
wpa_printf(MSG_DEBUG,
"FILS: HLP relayed DHCP request to server %s:%d (rapid_commit=%d)",
inet_ntoa(addr.sin_addr), ntohs(addr.sin_port),
rapid_commit);
if (hapd->conf->dhcp_rapid_commit_proxy && rapid_commit) {
/* Store a copy of the DHCPDISCOVER for rapid commit proxying
* purposes if the server does not support the rapid commit
* option. */
wpa_printf(MSG_DEBUG,
"FILS: Store DHCPDISCOVER for rapid commit proxy");
wpabuf_free(sta->hlp_dhcp_discover);
sta->hlp_dhcp_discover = dhcp_buf;
} else {
wpabuf_free(dhcp_buf);
}
return 1;
}
static int fils_process_hlp_udp(struct hostapd_data *hapd,
struct sta_info *sta, const u8 *dst,
const u8 *pos, size_t len)
{
const struct iphdr *iph;
const struct udphdr *udph;
u16 sport, dport, ulen;
if (len < sizeof(*iph) + sizeof(*udph))
return 0;
iph = (const struct iphdr *) pos;
udph = (const struct udphdr *) (iph + 1);
sport = ntohs(udph->uh_sport);
dport = ntohs(udph->uh_dport);
ulen = ntohs(udph->uh_ulen);
wpa_printf(MSG_DEBUG,
"FILS: HLP request UDP: sport=%u dport=%u ulen=%u sum=0x%x",
sport, dport, ulen, ntohs(udph->uh_sum));
/* TODO: Check UDP checksum */
if (ulen < sizeof(*udph) || ulen > len - sizeof(*iph))
return 0;
if (dport == DHCP_SERVER_PORT && sport == DHCP_CLIENT_PORT) {
return fils_process_hlp_dhcp(hapd, sta, (const u8 *) (udph + 1),
ulen - sizeof(*udph));
}
return 0;
}
static int fils_process_hlp_ip(struct hostapd_data *hapd,
struct sta_info *sta, const u8 *dst,
const u8 *pos, size_t len)
{
const struct iphdr *iph;
u16 tot_len;
if (len < sizeof(*iph))
return 0;
iph = (const struct iphdr *) pos;
if (ip_checksum(iph, sizeof(*iph)) != 0) {
wpa_printf(MSG_DEBUG,
"FILS: HLP request IPv4 packet had invalid header checksum - dropped");
return 0;
}
tot_len = ntohs(iph->tot_len);
if (tot_len > len)
return 0;
wpa_printf(MSG_DEBUG,
"FILS: HLP request IPv4: saddr=%08x daddr=%08x protocol=%u",
iph->saddr, iph->daddr, iph->protocol);
switch (iph->protocol) {
case 17:
return fils_process_hlp_udp(hapd, sta, dst, pos, len);
}
return 0;
}
static int fils_process_hlp_req(struct hostapd_data *hapd,
struct sta_info *sta,
const u8 *pos, size_t len)
{
const u8 *pkt, *end;
wpa_printf(MSG_DEBUG, "FILS: HLP request from " MACSTR " (dst=" MACSTR
" src=" MACSTR " len=%u)",
MAC2STR(sta->addr), MAC2STR(pos), MAC2STR(pos + ETH_ALEN),
(unsigned int) len);
if (os_memcmp(sta->addr, pos + ETH_ALEN, ETH_ALEN) != 0) {
wpa_printf(MSG_DEBUG,
"FILS: Ignore HLP request with unexpected source address"
MACSTR, MAC2STR(pos + ETH_ALEN));
return 0;
}
end = pos + len;
pkt = pos + 2 * ETH_ALEN;
if (end - pkt >= 6 &&
os_memcmp(pkt, "\xaa\xaa\x03\x00\x00\x00", 6) == 0)
pkt += 6; /* Remove SNAP/LLC header */
wpa_hexdump(MSG_MSGDUMP, "FILS: HLP request packet", pkt, end - pkt);
if (end - pkt < 2)
return 0;
switch (WPA_GET_BE16(pkt)) {
case ETH_P_IP:
return fils_process_hlp_ip(hapd, sta, pos, pkt + 2,
end - pkt - 2);
}
return 0;
}
int fils_process_hlp(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *pos, int left)
{
const u8 *end = pos + left;
u8 *tmp, *tmp_pos;
int ret = 0;
if (sta->fils_pending_assoc_req &&
eloop_is_timeout_registered(fils_hlp_timeout, hapd, sta)) {
/* Do not process FILS HLP request again if the station
* retransmits (Re)Association Request frame before the previous
* HLP response has either been received or timed out. */
wpa_printf(MSG_DEBUG,
"FILS: Do not relay another HLP request from "
MACSTR
" before processing of the already pending one has been completed",
MAC2STR(sta->addr));
return 1;
}
/* Old DHCPDISCOVER is not needed anymore, if it was still pending */
wpabuf_free(sta->hlp_dhcp_discover);
sta->hlp_dhcp_discover = NULL;
sta->fils_dhcp_rapid_commit_proxy = 0;
/* Check if there are any FILS HLP Container elements */
while (end - pos >= 2) {
if (2 + pos[1] > end - pos)
return 0;
if (pos[0] == WLAN_EID_EXTENSION &&
pos[1] >= 1 + 2 * ETH_ALEN &&
pos[2] == WLAN_EID_EXT_FILS_HLP_CONTAINER)
break;
pos += 2 + pos[1];
}
if (end - pos < 2)
return 0; /* No FILS HLP Container elements */
tmp = os_malloc(end - pos);
if (!tmp)
return 0;
while (end - pos >= 2) {
if (2 + pos[1] > end - pos ||
pos[0] != WLAN_EID_EXTENSION ||
pos[1] < 1 + 2 * ETH_ALEN ||
pos[2] != WLAN_EID_EXT_FILS_HLP_CONTAINER)
break;
tmp_pos = tmp;
os_memcpy(tmp_pos, pos + 3, pos[1] - 1);
tmp_pos += pos[1] - 1;
pos += 2 + pos[1];
/* Add possible fragments */
while (end - pos >= 2 && pos[0] == WLAN_EID_FRAGMENT &&
2 + pos[1] <= end - pos) {
os_memcpy(tmp_pos, pos + 2, pos[1]);
tmp_pos += pos[1];
pos += 2 + pos[1];
}
if (fils_process_hlp_req(hapd, sta, tmp, tmp_pos - tmp) > 0)
ret = 1;
}
os_free(tmp);
return ret;
}
void fils_hlp_deinit(struct hostapd_data *hapd)
{
if (hapd->dhcp_sock >= 0) {
eloop_unregister_read_sock(hapd->dhcp_sock);
close(hapd->dhcp_sock);
hapd->dhcp_sock = -1;
}
}

27
hostapd-2.9/src/ap/fils_hlp.h Normal file
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@ -0,0 +1,27 @@
/*
* FILS HLP request processing
* Copyright (c) 2017, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef FILS_HLP_H
#define FILS_HLP_H
int fils_process_hlp(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *pos, int left);
#ifdef CONFIG_FILS
void fils_hlp_deinit(struct hostapd_data *hapd);
#else /* CONFIG_FILS */
static inline void fils_hlp_deinit(struct hostapd_data *hapd)
{
}
#endif /* CONFIG_FILS */
#endif /* FILS_HLP_H */

714
hostapd-2.9/src/ap/gas_query_ap.c Normal file
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/*
* Generic advertisement service (GAS) query (hostapd)
* Copyright (c) 2009, Atheros Communications
* Copyright (c) 2011-2017, Qualcomm Atheros, Inc.
* Copyright (c) 2011-2014, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "common.h"
#include "utils/eloop.h"
#include "utils/list.h"
#include "common/ieee802_11_defs.h"
#include "common/gas.h"
#include "common/wpa_ctrl.h"
#include "hostapd.h"
#include "sta_info.h"
#include "ap_drv_ops.h"
#include "gas_query_ap.h"
/** GAS query timeout in seconds */
#define GAS_QUERY_TIMEOUT_PERIOD 2
/* GAS query wait-time / duration in ms */
#define GAS_QUERY_WAIT_TIME_INITIAL 1000
#define GAS_QUERY_WAIT_TIME_COMEBACK 150
/**
* struct gas_query_pending - Pending GAS query
*/
struct gas_query_pending {
struct dl_list list;
struct gas_query_ap *gas;
u8 addr[ETH_ALEN];
u8 dialog_token;
u8 next_frag_id;
unsigned int wait_comeback:1;
unsigned int offchannel_tx_started:1;
unsigned int retry:1;
int freq;
u16 status_code;
struct wpabuf *req;
struct wpabuf *adv_proto;
struct wpabuf *resp;
struct os_reltime last_oper;
void (*cb)(void *ctx, const u8 *dst, u8 dialog_token,
enum gas_query_ap_result result,
const struct wpabuf *adv_proto,
const struct wpabuf *resp, u16 status_code);
void *ctx;
u8 sa[ETH_ALEN];
};
/**
* struct gas_query_ap - Internal GAS query data
*/
struct gas_query_ap {
struct hostapd_data *hapd;
void *msg_ctx;
struct dl_list pending; /* struct gas_query_pending */
struct gas_query_pending *current;
};
static void gas_query_tx_comeback_timeout(void *eloop_data, void *user_ctx);
static void gas_query_timeout(void *eloop_data, void *user_ctx);
static void gas_query_rx_comeback_timeout(void *eloop_data, void *user_ctx);
static void gas_query_tx_initial_req(struct gas_query_ap *gas,
struct gas_query_pending *query);
static int gas_query_new_dialog_token(struct gas_query_ap *gas, const u8 *dst);
static int ms_from_time(struct os_reltime *last)
{
struct os_reltime now, res;
os_get_reltime(&now);
os_reltime_sub(&now, last, &res);
return res.sec * 1000 + res.usec / 1000;
}
/**
* gas_query_ap_init - Initialize GAS query component
* @hapd: Pointer to hostapd data
* Returns: Pointer to GAS query data or %NULL on failure
*/
struct gas_query_ap * gas_query_ap_init(struct hostapd_data *hapd,
void *msg_ctx)
{
struct gas_query_ap *gas;
gas = os_zalloc(sizeof(*gas));
if (!gas)
return NULL;
gas->hapd = hapd;
gas->msg_ctx = msg_ctx;
dl_list_init(&gas->pending);
return gas;
}
static const char * gas_result_txt(enum gas_query_ap_result result)
{
switch (result) {
case GAS_QUERY_AP_SUCCESS:
return "SUCCESS";
case GAS_QUERY_AP_FAILURE:
return "FAILURE";
case GAS_QUERY_AP_TIMEOUT:
return "TIMEOUT";
case GAS_QUERY_AP_PEER_ERROR:
return "PEER_ERROR";
case GAS_QUERY_AP_INTERNAL_ERROR:
return "INTERNAL_ERROR";
case GAS_QUERY_AP_DELETED_AT_DEINIT:
return "DELETED_AT_DEINIT";
}
return "N/A";
}
static void gas_query_free(struct gas_query_pending *query, int del_list)
{
if (del_list)
dl_list_del(&query->list);
wpabuf_free(query->req);
wpabuf_free(query->adv_proto);
wpabuf_free(query->resp);
os_free(query);
}
static void gas_query_done(struct gas_query_ap *gas,
struct gas_query_pending *query,
enum gas_query_ap_result result)
{
wpa_msg(gas->msg_ctx, MSG_INFO, GAS_QUERY_DONE "addr=" MACSTR
" dialog_token=%u freq=%d status_code=%u result=%s",
MAC2STR(query->addr), query->dialog_token, query->freq,
query->status_code, gas_result_txt(result));
if (gas->current == query)
gas->current = NULL;
eloop_cancel_timeout(gas_query_tx_comeback_timeout, gas, query);
eloop_cancel_timeout(gas_query_timeout, gas, query);
eloop_cancel_timeout(gas_query_rx_comeback_timeout, gas, query);
dl_list_del(&query->list);
query->cb(query->ctx, query->addr, query->dialog_token, result,
query->adv_proto, query->resp, query->status_code);
gas_query_free(query, 0);
}
/**
* gas_query_ap_deinit - Deinitialize GAS query component
* @gas: GAS query data from gas_query_init()
*/
void gas_query_ap_deinit(struct gas_query_ap *gas)
{
struct gas_query_pending *query, *next;
if (gas == NULL)
return;
dl_list_for_each_safe(query, next, &gas->pending,
struct gas_query_pending, list)
gas_query_done(gas, query, GAS_QUERY_AP_DELETED_AT_DEINIT);
os_free(gas);
}
static struct gas_query_pending *
gas_query_get_pending(struct gas_query_ap *gas, const u8 *addr, u8 dialog_token)
{
struct gas_query_pending *q;
dl_list_for_each(q, &gas->pending, struct gas_query_pending, list) {
if (os_memcmp(q->addr, addr, ETH_ALEN) == 0 &&
q->dialog_token == dialog_token)
return q;
}
return NULL;
}
static int gas_query_append(struct gas_query_pending *query, const u8 *data,
size_t len)
{
if (wpabuf_resize(&query->resp, len) < 0) {
wpa_printf(MSG_DEBUG, "GAS: No memory to store the response");
return -1;
}
wpabuf_put_data(query->resp, data, len);
return 0;
}
void gas_query_ap_tx_status(struct gas_query_ap *gas, const u8 *dst,
const u8 *data, size_t data_len, int ok)
{
struct gas_query_pending *query;
int dur;
if (!gas || !gas->current) {
wpa_printf(MSG_DEBUG, "GAS: Unexpected TX status: dst=" MACSTR
" ok=%d - no query in progress", MAC2STR(dst), ok);
return;
}
query = gas->current;
dur = ms_from_time(&query->last_oper);
wpa_printf(MSG_DEBUG, "GAS: TX status: dst=" MACSTR
" ok=%d query=%p dialog_token=%u dur=%d ms",
MAC2STR(dst), ok, query, query->dialog_token, dur);
if (os_memcmp(dst, query->addr, ETH_ALEN) != 0) {
wpa_printf(MSG_DEBUG, "GAS: TX status for unexpected destination");
return;
}
os_get_reltime(&query->last_oper);
eloop_cancel_timeout(gas_query_timeout, gas, query);
if (!ok) {
wpa_printf(MSG_DEBUG, "GAS: No ACK to GAS request");
eloop_register_timeout(0, 250000, gas_query_timeout,
gas, query);
} else {
eloop_register_timeout(GAS_QUERY_TIMEOUT_PERIOD, 0,
gas_query_timeout, gas, query);
}
if (query->wait_comeback && !query->retry) {
eloop_cancel_timeout(gas_query_rx_comeback_timeout,
gas, query);
eloop_register_timeout(
0, (GAS_QUERY_WAIT_TIME_COMEBACK + 10) * 1000,
gas_query_rx_comeback_timeout, gas, query);
}
}
static int pmf_in_use(struct hostapd_data *hapd, const u8 *addr)
{
struct sta_info *sta;
sta = ap_get_sta(hapd, addr);
return sta && (sta->flags & WLAN_STA_MFP);
}
static int gas_query_tx(struct gas_query_ap *gas,
struct gas_query_pending *query,
struct wpabuf *req, unsigned int wait_time)
{
int res, prot = pmf_in_use(gas->hapd, query->addr);
wpa_printf(MSG_DEBUG, "GAS: Send action frame to " MACSTR " len=%u "
"freq=%d prot=%d using src addr " MACSTR,
MAC2STR(query->addr), (unsigned int) wpabuf_len(req),
query->freq, prot, MAC2STR(query->sa));
if (prot) {
u8 *categ = wpabuf_mhead_u8(req);
*categ = WLAN_ACTION_PROTECTED_DUAL;
}
os_get_reltime(&query->last_oper);
res = hostapd_drv_send_action(gas->hapd, query->freq, wait_time,
query->addr, wpabuf_head(req),
wpabuf_len(req));
return res;
}
static void gas_query_tx_comeback_req(struct gas_query_ap *gas,
struct gas_query_pending *query)
{
struct wpabuf *req;
unsigned int wait_time;
req = gas_build_comeback_req(query->dialog_token);
if (req == NULL) {
gas_query_done(gas, query, GAS_QUERY_AP_INTERNAL_ERROR);
return;
}
wait_time = (query->retry || !query->offchannel_tx_started) ?
GAS_QUERY_WAIT_TIME_INITIAL : GAS_QUERY_WAIT_TIME_COMEBACK;
if (gas_query_tx(gas, query, req, wait_time) < 0) {
wpa_printf(MSG_DEBUG, "GAS: Failed to send Action frame to "
MACSTR, MAC2STR(query->addr));
gas_query_done(gas, query, GAS_QUERY_AP_INTERNAL_ERROR);
}
wpabuf_free(req);
}
static void gas_query_rx_comeback_timeout(void *eloop_data, void *user_ctx)
{
struct gas_query_ap *gas = eloop_data;
struct gas_query_pending *query = user_ctx;
int dialog_token;
wpa_printf(MSG_DEBUG,
"GAS: No response to comeback request received (retry=%u)",
query->retry);
if (gas->current != query || query->retry)
return;
dialog_token = gas_query_new_dialog_token(gas, query->addr);
if (dialog_token < 0)
return;
wpa_printf(MSG_DEBUG,
"GAS: Retry GAS query due to comeback response timeout");
query->retry = 1;
query->dialog_token = dialog_token;
*(wpabuf_mhead_u8(query->req) + 2) = dialog_token;
query->wait_comeback = 0;
query->next_frag_id = 0;
wpabuf_free(query->adv_proto);
query->adv_proto = NULL;
eloop_cancel_timeout(gas_query_tx_comeback_timeout, gas, query);
eloop_cancel_timeout(gas_query_timeout, gas, query);
gas_query_tx_initial_req(gas, query);
}
static void gas_query_tx_comeback_timeout(void *eloop_data, void *user_ctx)
{
struct gas_query_ap *gas = eloop_data;
struct gas_query_pending *query = user_ctx;
wpa_printf(MSG_DEBUG, "GAS: Comeback timeout for request to " MACSTR,
MAC2STR(query->addr));
gas_query_tx_comeback_req(gas, query);
}
static void gas_query_tx_comeback_req_delay(struct gas_query_ap *gas,
struct gas_query_pending *query,
u16 comeback_delay)
{
unsigned int secs, usecs;
secs = (comeback_delay * 1024) / 1000000;
usecs = comeback_delay * 1024 - secs * 1000000;
wpa_printf(MSG_DEBUG, "GAS: Send comeback request to " MACSTR
" in %u secs %u usecs", MAC2STR(query->addr), secs, usecs);
eloop_cancel_timeout(gas_query_tx_comeback_timeout, gas, query);
eloop_register_timeout(secs, usecs, gas_query_tx_comeback_timeout,
gas, query);
}
static void gas_query_rx_initial(struct gas_query_ap *gas,
struct gas_query_pending *query,
const u8 *adv_proto, const u8 *resp,
size_t len, u16 comeback_delay)
{
wpa_printf(MSG_DEBUG, "GAS: Received initial response from "
MACSTR " (dialog_token=%u comeback_delay=%u)",
MAC2STR(query->addr), query->dialog_token, comeback_delay);
query->adv_proto = wpabuf_alloc_copy(adv_proto, 2 + adv_proto[1]);
if (query->adv_proto == NULL) {
gas_query_done(gas, query, GAS_QUERY_AP_INTERNAL_ERROR);
return;
}
if (comeback_delay) {
eloop_cancel_timeout(gas_query_timeout, gas, query);
query->wait_comeback = 1;
gas_query_tx_comeback_req_delay(gas, query, comeback_delay);
return;
}
/* Query was completed without comeback mechanism */
if (gas_query_append(query, resp, len) < 0) {
gas_query_done(gas, query, GAS_QUERY_AP_INTERNAL_ERROR);
return;
}
gas_query_done(gas, query, GAS_QUERY_AP_SUCCESS);
}
static void gas_query_rx_comeback(struct gas_query_ap *gas,
struct gas_query_pending *query,
const u8 *adv_proto, const u8 *resp,
size_t len, u8 frag_id, u8 more_frags,
u16 comeback_delay)
{
wpa_printf(MSG_DEBUG, "GAS: Received comeback response from "
MACSTR " (dialog_token=%u frag_id=%u more_frags=%u "
"comeback_delay=%u)",
MAC2STR(query->addr), query->dialog_token, frag_id,
more_frags, comeback_delay);
eloop_cancel_timeout(gas_query_rx_comeback_timeout, gas, query);
if ((size_t) 2 + adv_proto[1] != wpabuf_len(query->adv_proto) ||
os_memcmp(adv_proto, wpabuf_head(query->adv_proto),
wpabuf_len(query->adv_proto)) != 0) {
wpa_printf(MSG_DEBUG, "GAS: Advertisement Protocol changed "
"between initial and comeback response from "
MACSTR, MAC2STR(query->addr));
gas_query_done(gas, query, GAS_QUERY_AP_PEER_ERROR);
return;
}
if (comeback_delay) {
if (frag_id) {
wpa_printf(MSG_DEBUG, "GAS: Invalid comeback response "
"with non-zero frag_id and comeback_delay "
"from " MACSTR, MAC2STR(query->addr));
gas_query_done(gas, query, GAS_QUERY_AP_PEER_ERROR);
return;
}
gas_query_tx_comeback_req_delay(gas, query, comeback_delay);
return;
}
if (frag_id != query->next_frag_id) {
wpa_printf(MSG_DEBUG, "GAS: Unexpected frag_id in response "
"from " MACSTR, MAC2STR(query->addr));
if (frag_id + 1 == query->next_frag_id) {
wpa_printf(MSG_DEBUG, "GAS: Drop frame as possible "
"retry of previous fragment");
return;
}
gas_query_done(gas, query, GAS_QUERY_AP_PEER_ERROR);
return;
}
query->next_frag_id++;
if (gas_query_append(query, resp, len) < 0) {
gas_query_done(gas, query, GAS_QUERY_AP_INTERNAL_ERROR);
return;
}
if (more_frags) {
gas_query_tx_comeback_req(gas, query);
return;
}
gas_query_done(gas, query, GAS_QUERY_AP_SUCCESS);
}
/**
* gas_query_ap_rx - Indicate reception of a Public Action or Protected Dual
* frame
* @gas: GAS query data from gas_query_init()
* @sa: Source MAC address of the Action frame
* @categ: Category of the Action frame
* @data: Payload of the Action frame
* @len: Length of @data
* @freq: Frequency (in MHz) on which the frame was received
* Returns: 0 if the Public Action frame was a GAS frame or -1 if not
*/
int gas_query_ap_rx(struct gas_query_ap *gas, const u8 *sa, u8 categ,
const u8 *data, size_t len, int freq)
{
struct gas_query_pending *query;
u8 action, dialog_token, frag_id = 0, more_frags = 0;
u16 comeback_delay, resp_len;
const u8 *pos, *adv_proto;
int prot, pmf;
unsigned int left;
if (!gas || len < 4)
return -1;
pos = data;
action = *pos++;
dialog_token = *pos++;
if (action != WLAN_PA_GAS_INITIAL_RESP &&
action != WLAN_PA_GAS_COMEBACK_RESP)
return -1; /* Not a GAS response */
prot = categ == WLAN_ACTION_PROTECTED_DUAL;
pmf = pmf_in_use(gas->hapd, sa);
if (prot && !pmf) {
wpa_printf(MSG_DEBUG, "GAS: Drop unexpected protected GAS frame when PMF is disabled");
return 0;
}
if (!prot && pmf) {
wpa_printf(MSG_DEBUG, "GAS: Drop unexpected unprotected GAS frame when PMF is enabled");
return 0;
}
query = gas_query_get_pending(gas, sa, dialog_token);
if (query == NULL) {
wpa_printf(MSG_DEBUG, "GAS: No pending query found for " MACSTR
" dialog token %u", MAC2STR(sa), dialog_token);
return -1;
}
wpa_printf(MSG_DEBUG, "GAS: Response in %d ms from " MACSTR,
ms_from_time(&query->last_oper), MAC2STR(sa));
if (query->wait_comeback && action == WLAN_PA_GAS_INITIAL_RESP) {
wpa_printf(MSG_DEBUG, "GAS: Unexpected initial response from "
MACSTR " dialog token %u when waiting for comeback "
"response", MAC2STR(sa), dialog_token);
return 0;
}
if (!query->wait_comeback && action == WLAN_PA_GAS_COMEBACK_RESP) {
wpa_printf(MSG_DEBUG, "GAS: Unexpected comeback response from "
MACSTR " dialog token %u when waiting for initial "
"response", MAC2STR(sa), dialog_token);
return 0;
}
query->status_code = WPA_GET_LE16(pos);
pos += 2;
if (query->status_code == WLAN_STATUS_QUERY_RESP_OUTSTANDING &&
action == WLAN_PA_GAS_COMEBACK_RESP) {
wpa_printf(MSG_DEBUG, "GAS: Allow non-zero status for outstanding comeback response");
} else if (query->status_code != WLAN_STATUS_SUCCESS) {
wpa_printf(MSG_DEBUG, "GAS: Query to " MACSTR " dialog token "
"%u failed - status code %u",
MAC2STR(sa), dialog_token, query->status_code);
gas_query_done(gas, query, GAS_QUERY_AP_FAILURE);
return 0;
}
if (action == WLAN_PA_GAS_COMEBACK_RESP) {
if (pos + 1 > data + len)
return 0;
frag_id = *pos & 0x7f;
more_frags = (*pos & 0x80) >> 7;
pos++;
}
/* Comeback Delay */
if (pos + 2 > data + len)
return 0;
comeback_delay = WPA_GET_LE16(pos);
pos += 2;
/* Advertisement Protocol element */
if (pos + 2 > data + len || pos + 2 + pos[1] > data + len) {
wpa_printf(MSG_DEBUG, "GAS: No room for Advertisement "
"Protocol element in the response from " MACSTR,
MAC2STR(sa));
return 0;
}
if (*pos != WLAN_EID_ADV_PROTO) {
wpa_printf(MSG_DEBUG, "GAS: Unexpected Advertisement "
"Protocol element ID %u in response from " MACSTR,
*pos, MAC2STR(sa));
return 0;
}
adv_proto = pos;
pos += 2 + pos[1];
/* Query Response Length */
if (pos + 2 > data + len) {
wpa_printf(MSG_DEBUG, "GAS: No room for GAS Response Length");
return 0;
}
resp_len = WPA_GET_LE16(pos);
pos += 2;
left = data + len - pos;
if (resp_len > left) {
wpa_printf(MSG_DEBUG, "GAS: Truncated Query Response in "
"response from " MACSTR, MAC2STR(sa));
return 0;
}
if (resp_len < left) {
wpa_printf(MSG_DEBUG, "GAS: Ignore %u octets of extra data "
"after Query Response from " MACSTR,
left - resp_len, MAC2STR(sa));
}
if (action == WLAN_PA_GAS_COMEBACK_RESP)
gas_query_rx_comeback(gas, query, adv_proto, pos, resp_len,
frag_id, more_frags, comeback_delay);
else
gas_query_rx_initial(gas, query, adv_proto, pos, resp_len,
comeback_delay);
return 0;
}
static void gas_query_timeout(void *eloop_data, void *user_ctx)
{
struct gas_query_ap *gas = eloop_data;
struct gas_query_pending *query = user_ctx;
wpa_printf(MSG_DEBUG, "GAS: No response received for query to " MACSTR
" dialog token %u",
MAC2STR(query->addr), query->dialog_token);
gas_query_done(gas, query, GAS_QUERY_AP_TIMEOUT);
}
static int gas_query_dialog_token_available(struct gas_query_ap *gas,
const u8 *dst, u8 dialog_token)
{
struct gas_query_pending *q;
dl_list_for_each(q, &gas->pending, struct gas_query_pending, list) {
if (os_memcmp(dst, q->addr, ETH_ALEN) == 0 &&
dialog_token == q->dialog_token)
return 0;
}
return 1;
}
static void gas_query_tx_initial_req(struct gas_query_ap *gas,
struct gas_query_pending *query)
{
if (gas_query_tx(gas, query, query->req,
GAS_QUERY_WAIT_TIME_INITIAL) < 0) {
wpa_printf(MSG_DEBUG, "GAS: Failed to send Action frame to "
MACSTR, MAC2STR(query->addr));
gas_query_done(gas, query, GAS_QUERY_AP_INTERNAL_ERROR);
return;
}
gas->current = query;
wpa_printf(MSG_DEBUG, "GAS: Starting query timeout for dialog token %u",
query->dialog_token);
eloop_register_timeout(GAS_QUERY_TIMEOUT_PERIOD, 0,
gas_query_timeout, gas, query);
}
static int gas_query_new_dialog_token(struct gas_query_ap *gas, const u8 *dst)
{
static int next_start = 0;
int dialog_token;
for (dialog_token = 0; dialog_token < 256; dialog_token++) {
if (gas_query_dialog_token_available(
gas, dst, (next_start + dialog_token) % 256))
break;
}
if (dialog_token == 256)
return -1; /* Too many pending queries */
dialog_token = (next_start + dialog_token) % 256;
next_start = (dialog_token + 1) % 256;
return dialog_token;
}
/**
* gas_query_ap_req - Request a GAS query
* @gas: GAS query data from gas_query_init()
* @dst: Destination MAC address for the query
* @freq: Frequency (in MHz) for the channel on which to send the query
* @req: GAS query payload (to be freed by gas_query module in case of success
* return)
* @cb: Callback function for reporting GAS query result and response
* @ctx: Context pointer to use with the @cb call
* Returns: dialog token (>= 0) on success or -1 on failure
*/
int gas_query_ap_req(struct gas_query_ap *gas, const u8 *dst, int freq,
struct wpabuf *req,
void (*cb)(void *ctx, const u8 *dst, u8 dialog_token,
enum gas_query_ap_result result,
const struct wpabuf *adv_proto,
const struct wpabuf *resp, u16 status_code),
void *ctx)
{
struct gas_query_pending *query;
int dialog_token;
if (!gas || wpabuf_len(req) < 3)
return -1;
dialog_token = gas_query_new_dialog_token(gas, dst);
if (dialog_token < 0)
return -1;
query = os_zalloc(sizeof(*query));
if (query == NULL)
return -1;
query->gas = gas;
os_memcpy(query->addr, dst, ETH_ALEN);
query->dialog_token = dialog_token;
query->freq = freq;
query->cb = cb;
query->ctx = ctx;
query->req = req;
dl_list_add(&gas->pending, &query->list);
*(wpabuf_mhead_u8(req) + 2) = dialog_token;
wpa_msg(gas->msg_ctx, MSG_INFO, GAS_QUERY_START "addr=" MACSTR
" dialog_token=%u freq=%d",
MAC2STR(query->addr), query->dialog_token, query->freq);
gas_query_tx_initial_req(gas, query);
return dialog_token;
}

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/*
* Generic advertisement service (GAS) query
* Copyright (c) 2009, Atheros Communications
* Copyright (c) 2011-2017, Qualcomm Atheros
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef GAS_QUERY_AP_H
#define GAS_QUERY_AP_H
struct gas_query_ap;
struct gas_query_ap * gas_query_ap_init(struct hostapd_data *hapd,
void *msg_ctx);
void gas_query_ap_deinit(struct gas_query_ap *gas);
int gas_query_ap_rx(struct gas_query_ap *gas, const u8 *sa, u8 categ,
const u8 *data, size_t len, int freq);
/**
* enum gas_query_ap_result - GAS query result
*/
enum gas_query_ap_result {
GAS_QUERY_AP_SUCCESS,
GAS_QUERY_AP_FAILURE,
GAS_QUERY_AP_TIMEOUT,
GAS_QUERY_AP_PEER_ERROR,
GAS_QUERY_AP_INTERNAL_ERROR,
GAS_QUERY_AP_DELETED_AT_DEINIT
};
int gas_query_ap_req(struct gas_query_ap *gas, const u8 *dst, int freq,
struct wpabuf *req,
void (*cb)(void *ctx, const u8 *dst, u8 dialog_token,
enum gas_query_ap_result result,
const struct wpabuf *adv_proto,
const struct wpabuf *resp, u16 status_code),
void *ctx);
void gas_query_ap_tx_status(struct gas_query_ap *gas, const u8 *dst,
const u8 *data, size_t data_len, int ok);
#endif /* GAS_QUERY_AP_H */

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/*
* Generic advertisement service (GAS) server
* Copyright (c) 2011-2013, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef GAS_SERV_H
#define GAS_SERV_H
/* First 16 ANQP InfoIDs can be included in the optimized bitmap */
#define ANQP_REQ_CAPABILITY_LIST \
(1 << (ANQP_CAPABILITY_LIST - ANQP_QUERY_LIST))
#define ANQP_REQ_VENUE_NAME \
(1 << (ANQP_VENUE_NAME - ANQP_QUERY_LIST))
#define ANQP_REQ_EMERGENCY_CALL_NUMBER \
(1 << (ANQP_EMERGENCY_CALL_NUMBER - ANQP_QUERY_LIST))
#define ANQP_REQ_NETWORK_AUTH_TYPE \
(1 << (ANQP_NETWORK_AUTH_TYPE - ANQP_QUERY_LIST))
#define ANQP_REQ_ROAMING_CONSORTIUM \
(1 << (ANQP_ROAMING_CONSORTIUM - ANQP_QUERY_LIST))
#define ANQP_REQ_IP_ADDR_TYPE_AVAILABILITY \
(1 << (ANQP_IP_ADDR_TYPE_AVAILABILITY - ANQP_QUERY_LIST))
#define ANQP_REQ_NAI_REALM \
(1 << (ANQP_NAI_REALM - ANQP_QUERY_LIST))
#define ANQP_REQ_3GPP_CELLULAR_NETWORK \
(1 << (ANQP_3GPP_CELLULAR_NETWORK - ANQP_QUERY_LIST))
#define ANQP_REQ_AP_GEOSPATIAL_LOCATION \
(1 << (ANQP_AP_GEOSPATIAL_LOCATION - ANQP_QUERY_LIST))
#define ANQP_REQ_AP_CIVIC_LOCATION \
(1 << (ANQP_AP_CIVIC_LOCATION - ANQP_QUERY_LIST))
#define ANQP_REQ_AP_LOCATION_PUBLIC_URI \
(1 << (ANQP_AP_LOCATION_PUBLIC_URI - ANQP_QUERY_LIST))
#define ANQP_REQ_DOMAIN_NAME \
(1 << (ANQP_DOMAIN_NAME - ANQP_QUERY_LIST))
#define ANQP_REQ_EMERGENCY_ALERT_URI \
(1 << (ANQP_EMERGENCY_ALERT_URI - ANQP_QUERY_LIST))
#define ANQP_REQ_TDLS_CAPABILITY \
(1 << (ANQP_TDLS_CAPABILITY - ANQP_QUERY_LIST))
#define ANQP_REQ_EMERGENCY_NAI \
(1 << (ANQP_EMERGENCY_NAI - ANQP_QUERY_LIST))
/*
* First 15 Hotspot 2.0 vendor specific ANQP-elements can be included in the
* optimized bitmap.
*/
#define ANQP_REQ_HS_CAPABILITY_LIST \
(0x10000 << HS20_STYPE_CAPABILITY_LIST)
#define ANQP_REQ_OPERATOR_FRIENDLY_NAME \
(0x10000 << HS20_STYPE_OPERATOR_FRIENDLY_NAME)
#define ANQP_REQ_WAN_METRICS \
(0x10000 << HS20_STYPE_WAN_METRICS)
#define ANQP_REQ_CONNECTION_CAPABILITY \
(0x10000 << HS20_STYPE_CONNECTION_CAPABILITY)
#define ANQP_REQ_NAI_HOME_REALM \
(0x10000 << HS20_STYPE_NAI_HOME_REALM_QUERY)
#define ANQP_REQ_OPERATING_CLASS \
(0x10000 << HS20_STYPE_OPERATING_CLASS)
#define ANQP_REQ_OSU_PROVIDERS_LIST \
(0x10000 << HS20_STYPE_OSU_PROVIDERS_LIST)
#define ANQP_REQ_ICON_REQUEST \
(0x10000 << HS20_STYPE_ICON_REQUEST)
#define ANQP_REQ_OPERATOR_ICON_METADATA \
(0x10000 << HS20_STYPE_OPERATOR_ICON_METADATA)
#define ANQP_REQ_OSU_PROVIDERS_NAI_LIST \
(0x10000 << HS20_STYPE_OSU_PROVIDERS_NAI_LIST)
/* The first MBO ANQP-element can be included in the optimized bitmap. */
#define ANQP_REQ_MBO_CELL_DATA_CONN_PREF \
(BIT(29) << MBO_ANQP_SUBTYPE_CELL_CONN_PREF)
struct gas_dialog_info {
u8 valid;
struct wpabuf *sd_resp; /* Fragmented response */
u8 dialog_token;
size_t sd_resp_pos; /* Offset in sd_resp */
u8 sd_frag_id;
int prot; /* whether Protected Dual of Public Action frame is used */
int dpp; /* whether this is a DPP Config Response */
};
struct hostapd_data;
struct gas_dialog_info *
gas_serv_dialog_find(struct hostapd_data *hapd, const u8 *addr,
u8 dialog_token);
void gas_serv_dialog_clear(struct gas_dialog_info *dialog);
int gas_serv_init(struct hostapd_data *hapd);
void gas_serv_deinit(struct hostapd_data *hapd);
void gas_serv_req_dpp_processing(struct hostapd_data *hapd,
const u8 *sa, u8 dialog_token,
int prot, struct wpabuf *buf);
#endif /* GAS_SERV_H */

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/*
* hostapd / Initialization and configuration
* Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef HOSTAPD_H
#define HOSTAPD_H
#ifdef CONFIG_SQLITE
#include <sqlite3.h>
#endif /* CONFIG_SQLITE */
#include "common/defs.h"
#include "utils/list.h"
#include "ap_config.h"
#include "drivers/driver.h"
#define OCE_STA_CFON_ENABLED(hapd) \
((hapd->conf->oce & OCE_STA_CFON) && \
(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_OCE_STA_CFON))
#define OCE_AP_ENABLED(hapd) \
((hapd->conf->oce & OCE_AP) && \
(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_OCE_AP))
struct wpa_ctrl_dst;
struct radius_server_data;
struct upnp_wps_device_sm;
struct hostapd_data;
struct sta_info;
struct ieee80211_ht_capabilities;
struct full_dynamic_vlan;
enum wps_event;
union wps_event_data;
#ifdef CONFIG_MESH
struct mesh_conf;
#endif /* CONFIG_MESH */
struct hostapd_iface;
struct hapd_interfaces {
int (*reload_config)(struct hostapd_iface *iface);
struct hostapd_config * (*config_read_cb)(const char *config_fname);
int (*ctrl_iface_init)(struct hostapd_data *hapd);
void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
int (*for_each_interface)(struct hapd_interfaces *interfaces,
int (*cb)(struct hostapd_iface *iface,
void *ctx), void *ctx);
int (*driver_init)(struct hostapd_iface *iface);
size_t count;
int global_ctrl_sock;
struct dl_list global_ctrl_dst;
char *global_iface_path;
char *global_iface_name;
#ifndef CONFIG_NATIVE_WINDOWS
gid_t ctrl_iface_group;
#endif /* CONFIG_NATIVE_WINDOWS */
struct hostapd_iface **iface;
size_t terminate_on_error;
#ifndef CONFIG_NO_VLAN
struct dynamic_iface *vlan_priv;
#endif /* CONFIG_NO_VLAN */
#ifdef CONFIG_ETH_P_OUI
struct dl_list eth_p_oui; /* OUI Extended EtherType handlers */
#endif /* CONFIG_ETH_P_OUI */
int eloop_initialized;
#ifdef CONFIG_DPP
struct dpp_global *dpp;
#endif /* CONFIG_DPP */
};
enum hostapd_chan_status {
HOSTAPD_CHAN_VALID = 0, /* channel is ready */
HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
};
struct hostapd_probereq_cb {
int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
const u8 *ie, size_t ie_len, int ssi_signal);
void *ctx;
};
#define HOSTAPD_RATE_BASIC 0x00000001
struct hostapd_rate_data {
int rate; /* rate in 100 kbps */
int flags; /* HOSTAPD_RATE_ flags */
};
struct hostapd_frame_info {
unsigned int freq;
u32 channel;
u32 datarate;
int ssi_signal; /* dBm */
};
enum wps_status {
WPS_STATUS_SUCCESS = 1,
WPS_STATUS_FAILURE
};
enum pbc_status {
WPS_PBC_STATUS_DISABLE,
WPS_PBC_STATUS_ACTIVE,
WPS_PBC_STATUS_TIMEOUT,
WPS_PBC_STATUS_OVERLAP
};
struct wps_stat {
enum wps_status status;
enum wps_error_indication failure_reason;
enum pbc_status pbc_status;
u8 peer_addr[ETH_ALEN];
};
struct hostapd_neighbor_entry {
struct dl_list list;
u8 bssid[ETH_ALEN];
struct wpa_ssid_value ssid;
struct wpabuf *nr;
struct wpabuf *lci;
struct wpabuf *civic;
/* LCI update time */
struct os_time lci_date;
int stationary;
};
struct hostapd_sae_commit_queue {
struct dl_list list;
int rssi;
size_t len;
u8 msg[];
};
/**
* struct hostapd_data - hostapd per-BSS data structure
*/
struct hostapd_data {
struct hostapd_iface *iface;
struct hostapd_config *iconf;
struct hostapd_bss_config *conf;
int interface_added; /* virtual interface added for this BSS */
unsigned int started:1;
unsigned int disabled:1;
unsigned int reenable_beacon:1;
u8 own_addr[ETH_ALEN];
int num_sta; /* number of entries in sta_list */
struct sta_info *sta_list; /* STA info list head */
#define STA_HASH_SIZE 256
#define STA_HASH(sta) (sta[5])
struct sta_info *sta_hash[STA_HASH_SIZE];
/*
* Bitfield for indicating which AIDs are allocated. Only AID values
* 1-2007 are used and as such, the bit at index 0 corresponds to AID
* 1.
*/
#define AID_WORDS ((2008 + 31) / 32)
u32 sta_aid[AID_WORDS];
const struct wpa_driver_ops *driver;
void *drv_priv;
void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
struct sta_info *sta, int reassoc);
void *msg_ctx; /* ctx for wpa_msg() calls */
void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
struct radius_client_data *radius;
u64 acct_session_id;
struct radius_das_data *radius_das;
struct iapp_data *iapp;
struct hostapd_cached_radius_acl *acl_cache;
struct hostapd_acl_query_data *acl_queries;
struct wpa_authenticator *wpa_auth;
struct eapol_authenticator *eapol_auth;
struct rsn_preauth_interface *preauth_iface;
struct os_reltime michael_mic_failure;
int michael_mic_failures;
int tkip_countermeasures;
int ctrl_sock;
struct dl_list ctrl_dst;
void *ssl_ctx;
void *eap_sim_db_priv;
struct radius_server_data *radius_srv;
struct dl_list erp_keys; /* struct eap_server_erp_key */
int parameter_set_count;
/* Time Advertisement */
u8 time_update_counter;
struct wpabuf *time_adv;
#ifdef CONFIG_FULL_DYNAMIC_VLAN
struct full_dynamic_vlan *full_dynamic_vlan;
#endif /* CONFIG_FULL_DYNAMIC_VLAN */
struct l2_packet_data *l2;
#ifdef CONFIG_IEEE80211R_AP
struct dl_list l2_queue;
struct dl_list l2_oui_queue;
struct eth_p_oui_ctx *oui_pull;
struct eth_p_oui_ctx *oui_resp;
struct eth_p_oui_ctx *oui_push;
struct eth_p_oui_ctx *oui_sreq;
struct eth_p_oui_ctx *oui_sresp;
#endif /* CONFIG_IEEE80211R_AP */
struct wps_context *wps;
int beacon_set_done;
struct wpabuf *wps_beacon_ie;
struct wpabuf *wps_probe_resp_ie;
#ifdef CONFIG_WPS
unsigned int ap_pin_failures;
unsigned int ap_pin_failures_consecutive;
struct upnp_wps_device_sm *wps_upnp;
unsigned int ap_pin_lockout_time;
struct wps_stat wps_stats;
#endif /* CONFIG_WPS */
#ifdef CONFIG_MACSEC
struct ieee802_1x_kay *kay;
#endif /* CONFIG_MACSEC */
struct hostapd_probereq_cb *probereq_cb;
size_t num_probereq_cb;
void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
int freq);
void *public_action_cb_ctx;
void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
int freq);
void *public_action_cb2_ctx;
int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
int freq);
void *vendor_action_cb_ctx;
void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
const u8 *uuid_e);
void *wps_reg_success_cb_ctx;
void (*wps_event_cb)(void *ctx, enum wps_event event,
union wps_event_data *data);
void *wps_event_cb_ctx;
void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
int authorized, const u8 *p2p_dev_addr);
void *sta_authorized_cb_ctx;
void (*setup_complete_cb)(void *ctx);
void *setup_complete_cb_ctx;
void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
const u8 *p2p_dev_addr, const u8 *psk,
size_t psk_len);
void *new_psk_cb_ctx;
/* channel switch parameters */
struct hostapd_freq_params cs_freq_params;
u8 cs_count;
int cs_block_tx;
unsigned int cs_c_off_beacon;
unsigned int cs_c_off_proberesp;
int csa_in_progress;
unsigned int cs_c_off_ecsa_beacon;
unsigned int cs_c_off_ecsa_proberesp;
#ifdef CONFIG_P2P
struct p2p_data *p2p;
struct p2p_group *p2p_group;
struct wpabuf *p2p_beacon_ie;
struct wpabuf *p2p_probe_resp_ie;
/* Number of non-P2P association stations */
int num_sta_no_p2p;
/* Periodic NoA (used only when no non-P2P clients in the group) */
int noa_enabled;
int noa_start;
int noa_duration;
#endif /* CONFIG_P2P */
#ifdef CONFIG_PROXYARP
struct l2_packet_data *sock_dhcp;
struct l2_packet_data *sock_ndisc;
#endif /* CONFIG_PROXYARP */
#ifdef CONFIG_MESH
int num_plinks;
int max_plinks;
void (*mesh_sta_free_cb)(struct hostapd_data *hapd,
struct sta_info *sta);
struct wpabuf *mesh_pending_auth;
struct os_reltime mesh_pending_auth_time;
u8 mesh_required_peer[ETH_ALEN];
#endif /* CONFIG_MESH */
#ifdef CONFIG_SQLITE
struct hostapd_eap_user tmp_eap_user;
#endif /* CONFIG_SQLITE */
#ifdef CONFIG_SAE
/** Key used for generating SAE anti-clogging tokens */
u8 sae_token_key[8];
struct os_reltime last_sae_token_key_update;
u16 sae_token_idx;
u16 sae_pending_token_idx[256];
int dot11RSNASAERetransPeriod; /* msec */
struct dl_list sae_commit_queue; /* struct hostapd_sae_commit_queue */
#endif /* CONFIG_SAE */
#ifdef CONFIG_TESTING_OPTIONS
unsigned int ext_mgmt_frame_handling:1;
unsigned int ext_eapol_frame_io:1;
struct l2_packet_data *l2_test;
enum wpa_alg last_gtk_alg;
int last_gtk_key_idx;
u8 last_gtk[WPA_GTK_MAX_LEN];
size_t last_gtk_len;
#ifdef CONFIG_IEEE80211W
enum wpa_alg last_igtk_alg;
int last_igtk_key_idx;
u8 last_igtk[WPA_IGTK_MAX_LEN];
size_t last_igtk_len;
#endif /* CONFIG_IEEE80211W */
#endif /* CONFIG_TESTING_OPTIONS */
#ifdef CONFIG_MBO
unsigned int mbo_assoc_disallow;
#endif /* CONFIG_MBO */
struct dl_list nr_db;
u8 beacon_req_token;
u8 lci_req_token;
u8 range_req_token;
unsigned int lci_req_active:1;
unsigned int range_req_active:1;
int dhcp_sock; /* UDP socket used with the DHCP server */
#ifdef CONFIG_DPP
int dpp_init_done;
struct dpp_authentication *dpp_auth;
u8 dpp_allowed_roles;
int dpp_qr_mutual;
int dpp_auth_ok_on_ack;
int dpp_in_response_listen;
struct gas_query_ap *gas;
struct dpp_pkex *dpp_pkex;
struct dpp_bootstrap_info *dpp_pkex_bi;
char *dpp_pkex_code;
char *dpp_pkex_identifier;
char *dpp_pkex_auth_cmd;
char *dpp_configurator_params;
struct os_reltime dpp_last_init;
struct os_reltime dpp_init_iter_start;
unsigned int dpp_init_max_tries;
unsigned int dpp_init_retry_time;
unsigned int dpp_resp_wait_time;
unsigned int dpp_resp_max_tries;
unsigned int dpp_resp_retry_time;
#ifdef CONFIG_TESTING_OPTIONS
char *dpp_config_obj_override;
char *dpp_discovery_override;
char *dpp_groups_override;
unsigned int dpp_ignore_netaccesskey_mismatch:1;
#endif /* CONFIG_TESTING_OPTIONS */
#endif /* CONFIG_DPP */
#ifdef CONFIG_AIRTIME_POLICY
unsigned int num_backlogged_sta;
unsigned int airtime_weight;
#endif /* CONFIG_AIRTIME_POLICY */
u8 last_1x_eapol_key_replay_counter[8];
#ifdef CONFIG_SQLITE
sqlite3 *rad_attr_db;
#endif /* CONFIG_SQLITE */
};
struct hostapd_sta_info {
struct dl_list list;
u8 addr[ETH_ALEN];
struct os_reltime last_seen;
int ssi_signal;
#ifdef CONFIG_TAXONOMY
struct wpabuf *probe_ie_taxonomy;
#endif /* CONFIG_TAXONOMY */
};
/**
* struct hostapd_iface - hostapd per-interface data structure
*/
struct hostapd_iface {
struct hapd_interfaces *interfaces;
void *owner;
char *config_fname;
struct hostapd_config *conf;
char phy[16]; /* Name of the PHY (radio) */
enum hostapd_iface_state {
HAPD_IFACE_UNINITIALIZED,
HAPD_IFACE_DISABLED,
HAPD_IFACE_COUNTRY_UPDATE,
HAPD_IFACE_ACS,
HAPD_IFACE_HT_SCAN,
HAPD_IFACE_DFS,
HAPD_IFACE_ENABLED
} state;
#ifdef CONFIG_MESH
struct mesh_conf *mconf;
#endif /* CONFIG_MESH */
size_t num_bss;
struct hostapd_data **bss;
unsigned int wait_channel_update:1;
unsigned int cac_started:1;
#ifdef CONFIG_FST
struct fst_iface *fst;
const struct wpabuf *fst_ies;
#endif /* CONFIG_FST */
/*
* When set, indicates that the driver will handle the AP
* teardown: delete global keys, station keys, and stations.
*/
unsigned int driver_ap_teardown:1;
/*
* When set, indicates that this interface is part of list of
* interfaces that need to be started together (synchronously).
*/
unsigned int need_to_start_in_sync:1;
/* Ready to start but waiting for other interfaces to become ready. */
unsigned int ready_to_start_in_sync:1;
int num_ap; /* number of entries in ap_list */
struct ap_info *ap_list; /* AP info list head */
struct ap_info *ap_hash[STA_HASH_SIZE];
u64 drv_flags;
/* SMPS modes supported by the driver (WPA_DRIVER_SMPS_MODE_*) */
unsigned int smps_modes;
/*
* A bitmap of supported protocols for probe response offload. See
* struct wpa_driver_capa in driver.h
*/
unsigned int probe_resp_offloads;
/* extended capabilities supported by the driver */
const u8 *extended_capa, *extended_capa_mask;
unsigned int extended_capa_len;
unsigned int drv_max_acl_mac_addrs;
struct hostapd_hw_modes *hw_features;
int num_hw_features;
struct hostapd_hw_modes *current_mode;
/* Rates that are currently used (i.e., filtered copy of
* current_mode->channels */
int num_rates;
struct hostapd_rate_data *current_rates;
int *basic_rates;
int freq;
u16 hw_flags;
/* Number of associated Non-ERP stations (i.e., stations using 802.11b
* in 802.11g BSS) */
int num_sta_non_erp;
/* Number of associated stations that do not support Short Slot Time */
int num_sta_no_short_slot_time;
/* Number of associated stations that do not support Short Preamble */
int num_sta_no_short_preamble;
int olbc; /* Overlapping Legacy BSS Condition */
/* Number of HT associated stations that do not support greenfield */
int num_sta_ht_no_gf;
/* Number of associated non-HT stations */
int num_sta_no_ht;
/* Number of HT associated stations 20 MHz */
int num_sta_ht_20mhz;
/* Number of HT40 intolerant stations */
int num_sta_ht40_intolerant;
/* Overlapping BSS information */
int olbc_ht;
u16 ht_op_mode;
/* surveying helpers */
/* number of channels surveyed */
unsigned int chans_surveyed;
/* lowest observed noise floor in dBm */
s8 lowest_nf;
/* channel utilization calculation */
u64 last_channel_time;
u64 last_channel_time_busy;
u8 channel_utilization;
unsigned int chan_util_samples_sum;
unsigned int chan_util_num_sample_periods;
unsigned int chan_util_average;
/* eCSA IE will be added only if operating class is specified */
u8 cs_oper_class;
unsigned int dfs_cac_ms;
struct os_reltime dfs_cac_start;
/* Latched with the actual secondary channel information and will be
* used while juggling between HT20 and HT40 modes. */
int secondary_ch;
#ifdef CONFIG_ACS
unsigned int acs_num_completed_scans;
#endif /* CONFIG_ACS */
void (*scan_cb)(struct hostapd_iface *iface);
int num_ht40_scan_tries;
struct dl_list sta_seen; /* struct hostapd_sta_info */
unsigned int num_sta_seen;
u8 dfs_domain;
#ifdef CONFIG_AIRTIME_POLICY
unsigned int airtime_quantum;
#endif /* CONFIG_AIRTIME_POLICY */
/* Previous WMM element information */
struct hostapd_wmm_ac_params prev_wmm[WMM_AC_NUM];
};
/* hostapd.c */
int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
int (*cb)(struct hostapd_iface *iface,
void *ctx), void *ctx);
int hostapd_reload_config(struct hostapd_iface *iface);
void hostapd_reconfig_encryption(struct hostapd_data *hapd);
struct hostapd_data *
hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
struct hostapd_config *conf,
struct hostapd_bss_config *bss);
int hostapd_setup_interface(struct hostapd_iface *iface);
int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
void hostapd_interface_deinit(struct hostapd_iface *iface);
void hostapd_interface_free(struct hostapd_iface *iface);
struct hostapd_iface * hostapd_alloc_iface(void);
struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
const char *config_file);
struct hostapd_iface *
hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
const char *config_fname, int debug);
void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
int reassoc);
void hostapd_interface_deinit_free(struct hostapd_iface *iface);
int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
const char * hostapd_state_text(enum hostapd_iface_state s);
int hostapd_csa_in_progress(struct hostapd_iface *iface);
void hostapd_chan_switch_vht_config(struct hostapd_data *hapd, int vht_enabled);
int hostapd_switch_channel(struct hostapd_data *hapd,
struct csa_settings *settings);
void
hostapd_switch_channel_fallback(struct hostapd_iface *iface,
const struct hostapd_freq_params *freq_params);
void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
void hostapd_periodic_iface(struct hostapd_iface *iface);
int hostapd_owe_trans_get_info(struct hostapd_data *hapd);
/* utils.c */
int hostapd_register_probereq_cb(struct hostapd_data *hapd,
int (*cb)(void *ctx, const u8 *sa,
const u8 *da, const u8 *bssid,
const u8 *ie, size_t ie_len,
int ssi_signal),
void *ctx);
void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
/* drv_callbacks.c (TODO: move to somewhere else?) */
void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
struct sta_info *sta);
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
const u8 *ie, size_t ielen, int reassoc);
void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
const u8 *addr, int reason_code);
int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
const u8 *bssid, const u8 *ie, size_t ie_len,
int ssi_signal);
void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
int offset, int width, int cf1, int cf2,
int finished);
struct survey_results;
void hostapd_event_get_survey(struct hostapd_iface *iface,
struct survey_results *survey_results);
void hostapd_acs_channel_selected(struct hostapd_data *hapd,
struct acs_selected_channels *acs_res);
const struct hostapd_eap_user *
hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
size_t identity_len, int phase2);
struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
const char *ifname);
void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
enum smps_mode smps_mode,
enum chan_width chan_width, u8 rx_nss);
#ifdef CONFIG_FST
void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
struct fst_wpa_obj *iface_obj);
#endif /* CONFIG_FST */
#endif /* HOSTAPD_H */

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/*
* Hotspot 2.0 AP ANQP processing
* Copyright (c) 2009, Atheros Communications, Inc.
* Copyright (c) 2011-2013, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "common.h"
#include "common/ieee802_11_defs.h"
#include "common/wpa_ctrl.h"
#include "hostapd.h"
#include "ap_config.h"
#include "ap_drv_ops.h"
#include "sta_info.h"
#include "hs20.h"
u8 * hostapd_eid_hs20_indication(struct hostapd_data *hapd, u8 *eid)
{
u8 conf;
if (!hapd->conf->hs20)
return eid;
*eid++ = WLAN_EID_VENDOR_SPECIFIC;
*eid++ = hapd->conf->hs20_release < 2 ? 5 : 7;
WPA_PUT_BE24(eid, OUI_WFA);
eid += 3;
*eid++ = HS20_INDICATION_OUI_TYPE;
conf = (hapd->conf->hs20_release - 1) << 4; /* Release Number */
if (hapd->conf->hs20_release >= 2)
conf |= HS20_ANQP_DOMAIN_ID_PRESENT;
if (hapd->conf->disable_dgaf)
conf |= HS20_DGAF_DISABLED;
*eid++ = conf;
if (hapd->conf->hs20_release >= 2) {
WPA_PUT_LE16(eid, hapd->conf->anqp_domain_id);
eid += 2;
}
return eid;
}
u8 * hostapd_eid_osen(struct hostapd_data *hapd, u8 *eid)
{
u8 *len;
u16 capab;
if (!hapd->conf->osen)
return eid;
*eid++ = WLAN_EID_VENDOR_SPECIFIC;
len = eid++; /* to be filled */
WPA_PUT_BE24(eid, OUI_WFA);
eid += 3;
*eid++ = HS20_OSEN_OUI_TYPE;
/* Group Data Cipher Suite */
RSN_SELECTOR_PUT(eid, RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED);
eid += RSN_SELECTOR_LEN;
/* Pairwise Cipher Suite Count and List */
WPA_PUT_LE16(eid, 1);
eid += 2;
RSN_SELECTOR_PUT(eid, RSN_CIPHER_SUITE_CCMP);
eid += RSN_SELECTOR_LEN;
/* AKM Suite Count and List */
WPA_PUT_LE16(eid, 1);
eid += 2;
RSN_SELECTOR_PUT(eid, RSN_AUTH_KEY_MGMT_OSEN);
eid += RSN_SELECTOR_LEN;
/* RSN Capabilities */
capab = 0;
if (hapd->conf->wmm_enabled) {
/* 4 PTKSA replay counters when using WMM */
capab |= (RSN_NUM_REPLAY_COUNTERS_16 << 2);
}
#ifdef CONFIG_IEEE80211W
if (hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
capab |= WPA_CAPABILITY_MFPC;
if (hapd->conf->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
capab |= WPA_CAPABILITY_MFPR;
}
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_OCV
if (hapd->conf->ocv)
capab |= WPA_CAPABILITY_OCVC;
#endif /* CONFIG_OCV */
WPA_PUT_LE16(eid, capab);
eid += 2;
*len = eid - len - 1;
return eid;
}
int hs20_send_wnm_notification(struct hostapd_data *hapd, const u8 *addr,
u8 osu_method, const char *url)
{
struct wpabuf *buf;
size_t len = 0;
int ret;
/* TODO: should refuse to send notification if the STA is not associated
* or if the STA did not indicate support for WNM-Notification */
if (url) {
len = 1 + os_strlen(url);
if (5 + len > 255) {
wpa_printf(MSG_INFO, "HS 2.0: Too long URL for "
"WNM-Notification: '%s'", url);
return -1;
}
}
buf = wpabuf_alloc(4 + 7 + len);
if (buf == NULL)
return -1;
wpabuf_put_u8(buf, WLAN_ACTION_WNM);
wpabuf_put_u8(buf, WNM_NOTIFICATION_REQ);
wpabuf_put_u8(buf, 1); /* Dialog token */
wpabuf_put_u8(buf, 1); /* Type - 1 reserved for WFA */
/* Subscription Remediation subelement */
wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
wpabuf_put_u8(buf, 5 + len);
wpabuf_put_be24(buf, OUI_WFA);
wpabuf_put_u8(buf, HS20_WNM_SUB_REM_NEEDED);
if (url) {
wpabuf_put_u8(buf, len - 1);
wpabuf_put_data(buf, url, len - 1);
wpabuf_put_u8(buf, osu_method);
} else {
/* Server URL and Server Method fields not included */
wpabuf_put_u8(buf, 0);
}
ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
wpabuf_head(buf), wpabuf_len(buf));
wpabuf_free(buf);
return ret;
}
int hs20_send_wnm_notification_deauth_req(struct hostapd_data *hapd,
const u8 *addr,
const struct wpabuf *payload)
{
struct wpabuf *buf;
int ret;
/* TODO: should refuse to send notification if the STA is not associated
* or if the STA did not indicate support for WNM-Notification */
buf = wpabuf_alloc(4 + 6 + wpabuf_len(payload));
if (buf == NULL)
return -1;
wpabuf_put_u8(buf, WLAN_ACTION_WNM);
wpabuf_put_u8(buf, WNM_NOTIFICATION_REQ);
wpabuf_put_u8(buf, 1); /* Dialog token */
wpabuf_put_u8(buf, 1); /* Type - 1 reserved for WFA */
/* Deauthentication Imminent Notice subelement */
wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
wpabuf_put_u8(buf, 4 + wpabuf_len(payload));
wpabuf_put_be24(buf, OUI_WFA);
wpabuf_put_u8(buf, HS20_WNM_DEAUTH_IMMINENT_NOTICE);
wpabuf_put_buf(buf, payload);
ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
wpabuf_head(buf), wpabuf_len(buf));
wpabuf_free(buf);
return ret;
}
int hs20_send_wnm_notification_t_c(struct hostapd_data *hapd,
const u8 *addr, const char *url)
{
struct wpabuf *buf;
int ret;
size_t url_len;
if (!url) {
wpa_printf(MSG_INFO, "HS 2.0: No T&C Server URL available");
return -1;
}
url_len = os_strlen(url);
if (5 + url_len > 255) {
wpa_printf(MSG_INFO,
"HS 2.0: Too long T&C Server URL for WNM-Notification: '%s'",
url);
return -1;
}
buf = wpabuf_alloc(4 + 7 + url_len);
if (!buf)
return -1;
wpabuf_put_u8(buf, WLAN_ACTION_WNM);
wpabuf_put_u8(buf, WNM_NOTIFICATION_REQ);
wpabuf_put_u8(buf, 1); /* Dialog token */
wpabuf_put_u8(buf, 1); /* Type - 1 reserved for WFA */
/* Terms and Conditions Acceptance subelement */
wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
wpabuf_put_u8(buf, 4 + 1 + url_len);
wpabuf_put_be24(buf, OUI_WFA);
wpabuf_put_u8(buf, HS20_WNM_T_C_ACCEPTANCE);
wpabuf_put_u8(buf, url_len);
wpabuf_put_str(buf, url);
ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
wpabuf_head(buf), wpabuf_len(buf));
wpabuf_free(buf);
return ret;
}
void hs20_t_c_filtering(struct hostapd_data *hapd, struct sta_info *sta,
int enabled)
{
if (enabled) {
wpa_printf(MSG_DEBUG,
"HS 2.0: Terms and Conditions filtering required for "
MACSTR, MAC2STR(sta->addr));
sta->hs20_t_c_filtering = 1;
/* TODO: Enable firewall filtering for the STA */
wpa_msg(hapd->msg_ctx, MSG_INFO, HS20_T_C_FILTERING_ADD MACSTR,
MAC2STR(sta->addr));
} else {
wpa_printf(MSG_DEBUG,
"HS 2.0: Terms and Conditions filtering not required for "
MACSTR, MAC2STR(sta->addr));
sta->hs20_t_c_filtering = 0;
/* TODO: Disable firewall filtering for the STA */
wpa_msg(hapd->msg_ctx, MSG_INFO,
HS20_T_C_FILTERING_REMOVE MACSTR, MAC2STR(sta->addr));
}
}

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/*
* Hotspot 2.0 AP ANQP processing
* Copyright (c) 2011-2013, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef HS20_H
#define HS20_H
struct hostapd_data;
u8 * hostapd_eid_hs20_indication(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_osen(struct hostapd_data *hapd, u8 *eid);
int hs20_send_wnm_notification(struct hostapd_data *hapd, const u8 *addr,
u8 osu_method, const char *url);
int hs20_send_wnm_notification_deauth_req(struct hostapd_data *hapd,
const u8 *addr,
const struct wpabuf *payload);
int hs20_send_wnm_notification_t_c(struct hostapd_data *hapd,
const u8 *addr, const char *url);
void hs20_t_c_filtering(struct hostapd_data *hapd, struct sta_info *sta,
int enabled);
#endif /* HS20_H */

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/*
* hostapd / Hardware feature query and different modes
* Copyright 2002-2003, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "common/wpa_ctrl.h"
#include "common/hw_features_common.h"
#include "hostapd.h"
#include "ap_config.h"
#include "ap_drv_ops.h"
#include "acs.h"
#include "ieee802_11.h"
#include "beacon.h"
#include "hw_features.h"
void hostapd_free_hw_features(struct hostapd_hw_modes *hw_features,
size_t num_hw_features)
{
size_t i;
if (hw_features == NULL)
return;
for (i = 0; i < num_hw_features; i++) {
os_free(hw_features[i].channels);
os_free(hw_features[i].rates);
}
os_free(hw_features);
}
#ifndef CONFIG_NO_STDOUT_DEBUG
static char * dfs_info(struct hostapd_channel_data *chan)
{
static char info[256];
char *state;
switch (chan->flag & HOSTAPD_CHAN_DFS_MASK) {
case HOSTAPD_CHAN_DFS_UNKNOWN:
state = "unknown";
break;
case HOSTAPD_CHAN_DFS_USABLE:
state = "usable";
break;
case HOSTAPD_CHAN_DFS_UNAVAILABLE:
state = "unavailable";
break;
case HOSTAPD_CHAN_DFS_AVAILABLE:
state = "available";
break;
default:
return "";
}
os_snprintf(info, sizeof(info), " (DFS state = %s)", state);
info[sizeof(info) - 1] = '\0';
return info;
}
#endif /* CONFIG_NO_STDOUT_DEBUG */
int hostapd_get_hw_features(struct hostapd_iface *iface)
{
struct hostapd_data *hapd = iface->bss[0];
int i, j;
u16 num_modes, flags;
struct hostapd_hw_modes *modes;
u8 dfs_domain;
if (hostapd_drv_none(hapd))
return -1;
modes = hostapd_get_hw_feature_data(hapd, &num_modes, &flags,
&dfs_domain);
if (modes == NULL) {
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"Fetching hardware channel/rate support not "
"supported.");
return -1;
}
iface->hw_flags = flags;
iface->dfs_domain = dfs_domain;
hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
iface->hw_features = modes;
iface->num_hw_features = num_modes;
for (i = 0; i < num_modes; i++) {
struct hostapd_hw_modes *feature = &modes[i];
int dfs_enabled = hapd->iconf->ieee80211h &&
(iface->drv_flags & WPA_DRIVER_FLAGS_RADAR);
/* set flag for channels we can use in current regulatory
* domain */
for (j = 0; j < feature->num_channels; j++) {
int dfs = 0;
/*
* Disable all channels that are marked not to allow
* to initiate radiation (a.k.a. passive scan and no
* IBSS).
* Use radar channels only if the driver supports DFS.
*/
if ((feature->channels[j].flag &
HOSTAPD_CHAN_RADAR) && dfs_enabled) {
dfs = 1;
} else if (((feature->channels[j].flag &
HOSTAPD_CHAN_RADAR) &&
!(iface->drv_flags &
WPA_DRIVER_FLAGS_DFS_OFFLOAD)) ||
(feature->channels[j].flag &
HOSTAPD_CHAN_NO_IR)) {
feature->channels[j].flag |=
HOSTAPD_CHAN_DISABLED;
}
if (feature->channels[j].flag & HOSTAPD_CHAN_DISABLED)
continue;
wpa_printf(MSG_MSGDUMP, "Allowed channel: mode=%d "
"chan=%d freq=%d MHz max_tx_power=%d dBm%s",
feature->mode,
feature->channels[j].chan,
feature->channels[j].freq,
feature->channels[j].max_tx_power,
dfs ? dfs_info(&feature->channels[j]) : "");
}
}
return 0;
}
int hostapd_prepare_rates(struct hostapd_iface *iface,
struct hostapd_hw_modes *mode)
{
int i, num_basic_rates = 0;
int basic_rates_a[] = { 60, 120, 240, -1 };
int basic_rates_b[] = { 10, 20, -1 };
int basic_rates_g[] = { 10, 20, 55, 110, -1 };
int *basic_rates;
if (iface->conf->basic_rates)
basic_rates = iface->conf->basic_rates;
else switch (mode->mode) {
case HOSTAPD_MODE_IEEE80211A:
basic_rates = basic_rates_a;
break;
case HOSTAPD_MODE_IEEE80211B:
basic_rates = basic_rates_b;
break;
case HOSTAPD_MODE_IEEE80211G:
basic_rates = basic_rates_g;
break;
case HOSTAPD_MODE_IEEE80211AD:
return 0; /* No basic rates for 11ad */
default:
return -1;
}
i = 0;
while (basic_rates[i] >= 0)
i++;
if (i)
i++; /* -1 termination */
os_free(iface->basic_rates);
iface->basic_rates = os_malloc(i * sizeof(int));
if (iface->basic_rates)
os_memcpy(iface->basic_rates, basic_rates, i * sizeof(int));
os_free(iface->current_rates);
iface->num_rates = 0;
iface->current_rates =
os_calloc(mode->num_rates, sizeof(struct hostapd_rate_data));
if (!iface->current_rates) {
wpa_printf(MSG_ERROR, "Failed to allocate memory for rate "
"table.");
return -1;
}
for (i = 0; i < mode->num_rates; i++) {
struct hostapd_rate_data *rate;
if (iface->conf->supported_rates &&
!hostapd_rate_found(iface->conf->supported_rates,
mode->rates[i]))
continue;
rate = &iface->current_rates[iface->num_rates];
rate->rate = mode->rates[i];
if (hostapd_rate_found(basic_rates, rate->rate)) {
rate->flags |= HOSTAPD_RATE_BASIC;
num_basic_rates++;
}
wpa_printf(MSG_DEBUG, "RATE[%d] rate=%d flags=0x%x",
iface->num_rates, rate->rate, rate->flags);
iface->num_rates++;
}
if ((iface->num_rates == 0 || num_basic_rates == 0) &&
(!iface->conf->ieee80211n || !iface->conf->require_ht)) {
wpa_printf(MSG_ERROR, "No rates remaining in supported/basic "
"rate sets (%d,%d).",
iface->num_rates, num_basic_rates);
return -1;
}
return 0;
}
#ifdef CONFIG_IEEE80211N
static int ieee80211n_allowed_ht40_channel_pair(struct hostapd_iface *iface)
{
int pri_chan, sec_chan;
pri_chan = iface->conf->channel;
sec_chan = pri_chan + iface->conf->secondary_channel * 4;
return allowed_ht40_channel_pair(iface->current_mode, pri_chan,
sec_chan);
}
static void ieee80211n_switch_pri_sec(struct hostapd_iface *iface)
{
if (iface->conf->secondary_channel > 0) {
iface->conf->channel += 4;
iface->conf->secondary_channel = -1;
} else {
iface->conf->channel -= 4;
iface->conf->secondary_channel = 1;
}
}
static int ieee80211n_check_40mhz_5g(struct hostapd_iface *iface,
struct wpa_scan_results *scan_res)
{
int pri_chan, sec_chan;
int res;
pri_chan = iface->conf->channel;
sec_chan = pri_chan + iface->conf->secondary_channel * 4;
res = check_40mhz_5g(iface->current_mode, scan_res, pri_chan, sec_chan);
if (res == 2) {
if (iface->conf->no_pri_sec_switch) {
wpa_printf(MSG_DEBUG,
"Cannot switch PRI/SEC channels due to local constraint");
} else {
ieee80211n_switch_pri_sec(iface);
}
}
return !!res;
}
static int ieee80211n_check_40mhz_2g4(struct hostapd_iface *iface,
struct wpa_scan_results *scan_res)
{
int pri_chan, sec_chan;
pri_chan = iface->conf->channel;
sec_chan = pri_chan + iface->conf->secondary_channel * 4;
return check_40mhz_2g4(iface->current_mode, scan_res, pri_chan,
sec_chan);
}
static void ieee80211n_check_scan(struct hostapd_iface *iface)
{
struct wpa_scan_results *scan_res;
int oper40;
int res;
/* Check list of neighboring BSSes (from scan) to see whether 40 MHz is
* allowed per IEEE Std 802.11-2012, 10.15.3.2 */
iface->scan_cb = NULL;
scan_res = hostapd_driver_get_scan_results(iface->bss[0]);
if (scan_res == NULL) {
hostapd_setup_interface_complete(iface, 1);
return;
}
if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211A)
oper40 = ieee80211n_check_40mhz_5g(iface, scan_res);
else
oper40 = ieee80211n_check_40mhz_2g4(iface, scan_res);
wpa_scan_results_free(scan_res);
iface->secondary_ch = iface->conf->secondary_channel;
if (!oper40) {
wpa_printf(MSG_INFO, "20/40 MHz operation not permitted on "
"channel pri=%d sec=%d based on overlapping BSSes",
iface->conf->channel,
iface->conf->channel +
iface->conf->secondary_channel * 4);
iface->conf->secondary_channel = 0;
if (iface->drv_flags & WPA_DRIVER_FLAGS_HT_2040_COEX) {
/*
* TODO: Could consider scheduling another scan to check
* if channel width can be changed if no coex reports
* are received from associating stations.
*/
}
}
res = ieee80211n_allowed_ht40_channel_pair(iface);
if (!res) {
iface->conf->secondary_channel = 0;
hostapd_set_oper_centr_freq_seg0_idx(iface->conf, 0);
hostapd_set_oper_centr_freq_seg1_idx(iface->conf, 0);
hostapd_set_oper_chwidth(iface->conf, CHANWIDTH_USE_HT);
res = 1;
wpa_printf(MSG_INFO, "Fallback to 20 MHz");
}
hostapd_setup_interface_complete(iface, !res);
}
static void ieee80211n_scan_channels_2g4(struct hostapd_iface *iface,
struct wpa_driver_scan_params *params)
{
/* Scan only the affected frequency range */
int pri_freq, sec_freq;
int affected_start, affected_end;
int i, pos;
struct hostapd_hw_modes *mode;
if (iface->current_mode == NULL)
return;
pri_freq = hostapd_hw_get_freq(iface->bss[0], iface->conf->channel);
if (iface->conf->secondary_channel > 0)
sec_freq = pri_freq + 20;
else
sec_freq = pri_freq - 20;
/*
* Note: Need to find the PRI channel also in cases where the affected
* channel is the SEC channel of a 40 MHz BSS, so need to include the
* scanning coverage here to be 40 MHz from the center frequency.
*/
affected_start = (pri_freq + sec_freq) / 2 - 40;
affected_end = (pri_freq + sec_freq) / 2 + 40;
wpa_printf(MSG_DEBUG, "40 MHz affected channel range: [%d,%d] MHz",
affected_start, affected_end);
mode = iface->current_mode;
params->freqs = os_calloc(mode->num_channels + 1, sizeof(int));
if (params->freqs == NULL)
return;
pos = 0;
for (i = 0; i < mode->num_channels; i++) {
struct hostapd_channel_data *chan = &mode->channels[i];
if (chan->flag & HOSTAPD_CHAN_DISABLED)
continue;
if (chan->freq < affected_start ||
chan->freq > affected_end)
continue;
params->freqs[pos++] = chan->freq;
}
}
static void ieee80211n_scan_channels_5g(struct hostapd_iface *iface,
struct wpa_driver_scan_params *params)
{
/* Scan only the affected frequency range */
int pri_freq;
int affected_start, affected_end;
int i, pos;
struct hostapd_hw_modes *mode;
if (iface->current_mode == NULL)
return;
pri_freq = hostapd_hw_get_freq(iface->bss[0], iface->conf->channel);
if (iface->conf->secondary_channel > 0) {
affected_start = pri_freq - 10;
affected_end = pri_freq + 30;
} else {
affected_start = pri_freq - 30;
affected_end = pri_freq + 10;
}
wpa_printf(MSG_DEBUG, "40 MHz affected channel range: [%d,%d] MHz",
affected_start, affected_end);
mode = iface->current_mode;
params->freqs = os_calloc(mode->num_channels + 1, sizeof(int));
if (params->freqs == NULL)
return;
pos = 0;
for (i = 0; i < mode->num_channels; i++) {
struct hostapd_channel_data *chan = &mode->channels[i];
if (chan->flag & HOSTAPD_CHAN_DISABLED)
continue;
if (chan->freq < affected_start ||
chan->freq > affected_end)
continue;
params->freqs[pos++] = chan->freq;
}
}
static void ap_ht40_scan_retry(void *eloop_data, void *user_data)
{
#define HT2040_COEX_SCAN_RETRY 15
struct hostapd_iface *iface = eloop_data;
struct wpa_driver_scan_params params;
int ret;
os_memset(&params, 0, sizeof(params));
if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
ieee80211n_scan_channels_2g4(iface, &params);
else
ieee80211n_scan_channels_5g(iface, &params);
ret = hostapd_driver_scan(iface->bss[0], &params);
iface->num_ht40_scan_tries++;
os_free(params.freqs);
if (ret == -EBUSY &&
iface->num_ht40_scan_tries < HT2040_COEX_SCAN_RETRY) {
wpa_printf(MSG_ERROR,
"Failed to request a scan of neighboring BSSes ret=%d (%s) - try to scan again (attempt %d)",
ret, strerror(-ret), iface->num_ht40_scan_tries);
eloop_register_timeout(1, 0, ap_ht40_scan_retry, iface, NULL);
return;
}
if (ret == 0) {
iface->scan_cb = ieee80211n_check_scan;
return;
}
wpa_printf(MSG_DEBUG,
"Failed to request a scan in device, bringing up in HT20 mode");
iface->conf->secondary_channel = 0;
iface->conf->ht_capab &= ~HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
hostapd_setup_interface_complete(iface, 0);
}
void hostapd_stop_setup_timers(struct hostapd_iface *iface)
{
eloop_cancel_timeout(ap_ht40_scan_retry, iface, NULL);
}
static int ieee80211n_check_40mhz(struct hostapd_iface *iface)
{
struct wpa_driver_scan_params params;
int ret;
/* Check that HT40 is used and PRI / SEC switch is allowed */
if (!iface->conf->secondary_channel || iface->conf->no_pri_sec_switch)
return 0;
hostapd_set_state(iface, HAPD_IFACE_HT_SCAN);
wpa_printf(MSG_DEBUG, "Scan for neighboring BSSes prior to enabling "
"40 MHz channel");
os_memset(&params, 0, sizeof(params));
if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
ieee80211n_scan_channels_2g4(iface, &params);
else
ieee80211n_scan_channels_5g(iface, &params);
ret = hostapd_driver_scan(iface->bss[0], &params);
os_free(params.freqs);
if (ret == -EBUSY) {
wpa_printf(MSG_ERROR,
"Failed to request a scan of neighboring BSSes ret=%d (%s) - try to scan again",
ret, strerror(-ret));
iface->num_ht40_scan_tries = 1;
eloop_cancel_timeout(ap_ht40_scan_retry, iface, NULL);
eloop_register_timeout(1, 0, ap_ht40_scan_retry, iface, NULL);
//DRIVER_RTW Modify
//return -1;
return 0;//ignore this error
}
if (ret < 0) {
wpa_printf(MSG_ERROR,
"Failed to request a scan of neighboring BSSes ret=%d (%s)",
ret, strerror(-ret));
return -1;
}
iface->scan_cb = ieee80211n_check_scan;
return 1;
}
static int ieee80211n_supported_ht_capab(struct hostapd_iface *iface)
{
u16 hw = iface->current_mode->ht_capab;
u16 conf = iface->conf->ht_capab;
if ((conf & HT_CAP_INFO_LDPC_CODING_CAP) &&
!(hw & HT_CAP_INFO_LDPC_CODING_CAP)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [LDPC]");
return 0;
}
/*
* Driver ACS chosen channel may not be HT40 due to internal driver
* restrictions.
*/
if (!iface->conf->acs && (conf & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
!(hw & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [HT40*]");
return 0;
}
switch (conf & HT_CAP_INFO_SMPS_MASK) {
case HT_CAP_INFO_SMPS_STATIC:
if (!(iface->smps_modes & WPA_DRIVER_SMPS_MODE_STATIC)) {
wpa_printf(MSG_ERROR,
"Driver does not support configured HT capability [SMPS-STATIC]");
return 0;
}
break;
case HT_CAP_INFO_SMPS_DYNAMIC:
if (!(iface->smps_modes & WPA_DRIVER_SMPS_MODE_DYNAMIC)) {
wpa_printf(MSG_ERROR,
"Driver does not support configured HT capability [SMPS-DYNAMIC]");
return 0;
}
break;
case HT_CAP_INFO_SMPS_DISABLED:
default:
break;
}
if ((conf & HT_CAP_INFO_GREEN_FIELD) &&
!(hw & HT_CAP_INFO_GREEN_FIELD)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [GF]");
return 0;
}
if ((conf & HT_CAP_INFO_SHORT_GI20MHZ) &&
!(hw & HT_CAP_INFO_SHORT_GI20MHZ)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [SHORT-GI-20]");
return 0;
}
if ((conf & HT_CAP_INFO_SHORT_GI40MHZ) &&
!(hw & HT_CAP_INFO_SHORT_GI40MHZ)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [SHORT-GI-40]");
return 0;
}
if ((conf & HT_CAP_INFO_TX_STBC) && !(hw & HT_CAP_INFO_TX_STBC)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [TX-STBC]");
return 0;
}
if ((conf & HT_CAP_INFO_RX_STBC_MASK) >
(hw & HT_CAP_INFO_RX_STBC_MASK)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [RX-STBC*]");
return 0;
}
if ((conf & HT_CAP_INFO_DELAYED_BA) &&
!(hw & HT_CAP_INFO_DELAYED_BA)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [DELAYED-BA]");
return 0;
}
if ((conf & HT_CAP_INFO_MAX_AMSDU_SIZE) &&
!(hw & HT_CAP_INFO_MAX_AMSDU_SIZE)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [MAX-AMSDU-7935]");
return 0;
}
if ((conf & HT_CAP_INFO_DSSS_CCK40MHZ) &&
!(hw & HT_CAP_INFO_DSSS_CCK40MHZ)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [DSSS_CCK-40]");
return 0;
}
if ((conf & HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT) &&
!(hw & HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT)) {
wpa_printf(MSG_ERROR, "Driver does not support configured "
"HT capability [LSIG-TXOP-PROT]");
return 0;
}
return 1;
}
#ifdef CONFIG_IEEE80211AC
static int ieee80211ac_supported_vht_capab(struct hostapd_iface *iface)
{
struct hostapd_hw_modes *mode = iface->current_mode;
u32 hw = mode->vht_capab;
u32 conf = iface->conf->vht_capab;
wpa_printf(MSG_DEBUG, "hw vht capab: 0x%x, conf vht capab: 0x%x",
hw, conf);
if (mode->mode == HOSTAPD_MODE_IEEE80211G &&
iface->conf->bss[0]->vendor_vht &&
mode->vht_capab == 0 && iface->hw_features) {
int i;
for (i = 0; i < iface->num_hw_features; i++) {
if (iface->hw_features[i].mode ==
HOSTAPD_MODE_IEEE80211A) {
mode = &iface->hw_features[i];
hw = mode->vht_capab;
wpa_printf(MSG_DEBUG,
"update hw vht capab based on 5 GHz band: 0x%x",
hw);
break;
}
}
}
return ieee80211ac_cap_check(hw, conf);
}
#endif /* CONFIG_IEEE80211AC */
#ifdef CONFIG_IEEE80211AX
static int ieee80211ax_supported_he_capab(struct hostapd_iface *iface)
{
return 1;
}
#endif /* CONFIG_IEEE80211AX */
#endif /* CONFIG_IEEE80211N */
int hostapd_check_ht_capab(struct hostapd_iface *iface)
{
#ifdef CONFIG_IEEE80211N
int ret;
if (!iface->conf->ieee80211n)
return 0;
if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211B &&
iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G &&
(iface->conf->ht_capab & HT_CAP_INFO_DSSS_CCK40MHZ)) {
wpa_printf(MSG_DEBUG,
"Disable HT capability [DSSS_CCK-40] on 5 GHz band");
iface->conf->ht_capab &= ~HT_CAP_INFO_DSSS_CCK40MHZ;
}
if (!ieee80211n_supported_ht_capab(iface))
return -1;
#ifdef CONFIG_IEEE80211AX
if (iface->conf->ieee80211ax &&
!ieee80211ax_supported_he_capab(iface))
return -1;
#endif /* CONFIG_IEEE80211AX */
#ifdef CONFIG_IEEE80211AC
if (iface->conf->ieee80211ac &&
!ieee80211ac_supported_vht_capab(iface))
return -1;
#endif /* CONFIG_IEEE80211AC */
ret = ieee80211n_check_40mhz(iface);
if (ret)
return ret;
if (!ieee80211n_allowed_ht40_channel_pair(iface))
return -1;
#endif /* CONFIG_IEEE80211N */
return 0;
}
static int hostapd_is_usable_chan(struct hostapd_iface *iface,
int channel, int primary)
{
struct hostapd_channel_data *chan;
if (!iface->current_mode)
return 0;
chan = hw_get_channel_chan(iface->current_mode, channel, NULL);
if (!chan)
return 0;
if ((primary && chan_pri_allowed(chan)) ||
(!primary && !(chan->flag & HOSTAPD_CHAN_DISABLED)))
return 1;
wpa_printf(MSG_INFO,
"Channel %d (%s) not allowed for AP mode, flags: 0x%x%s%s",
channel, primary ? "primary" : "secondary",
chan->flag,
chan->flag & HOSTAPD_CHAN_NO_IR ? " NO-IR" : "",
chan->flag & HOSTAPD_CHAN_RADAR ? " RADAR" : "");
return 0;
}
static int hostapd_is_usable_chans(struct hostapd_iface *iface)
{
int secondary_chan;
struct hostapd_channel_data *pri_chan;
pri_chan = hw_get_channel_chan(iface->current_mode,
iface->conf->channel, NULL);
if (!pri_chan)
return 0;
if (!hostapd_is_usable_chan(iface, iface->conf->channel, 1))
return 0;
if (!iface->conf->secondary_channel)
return 1;
if (!iface->conf->ht40_plus_minus_allowed)
return hostapd_is_usable_chan(
iface, iface->conf->channel +
iface->conf->secondary_channel * 4, 0);
/* Both HT40+ and HT40- are set, pick a valid secondary channel */
secondary_chan = iface->conf->channel + 4;
if (hostapd_is_usable_chan(iface, secondary_chan, 0) &&
(pri_chan->allowed_bw & HOSTAPD_CHAN_WIDTH_40P)) {
iface->conf->secondary_channel = 1;
return 1;
}
secondary_chan = iface->conf->channel - 4;
if (hostapd_is_usable_chan(iface, secondary_chan, 0) &&
(pri_chan->allowed_bw & HOSTAPD_CHAN_WIDTH_40M)) {
iface->conf->secondary_channel = -1;
return 1;
}
return 0;
}
static enum hostapd_chan_status
hostapd_check_chans(struct hostapd_iface *iface)
{
if (iface->conf->channel) {
if (hostapd_is_usable_chans(iface))
return HOSTAPD_CHAN_VALID;
else
return HOSTAPD_CHAN_INVALID;
}
/*
* The user set channel=0 or channel=acs_survey
* which is used to trigger ACS.
*/
switch (acs_init(iface)) {
case HOSTAPD_CHAN_ACS:
return HOSTAPD_CHAN_ACS;
case HOSTAPD_CHAN_VALID:
case HOSTAPD_CHAN_INVALID:
default:
return HOSTAPD_CHAN_INVALID;
}
}
static void hostapd_notify_bad_chans(struct hostapd_iface *iface)
{
if (!iface->current_mode) {
hostapd_logger(iface->bss[0], NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_WARNING,
"Hardware does not support configured mode");
return;
}
hostapd_logger(iface->bss[0], NULL,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_WARNING,
"Configured channel (%d) not found from the "
"channel list of current mode (%d) %s",
iface->conf->channel,
iface->current_mode->mode,
hostapd_hw_mode_txt(iface->current_mode->mode));
hostapd_logger(iface->bss[0], NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_WARNING,
"Hardware does not support configured channel");
}
int hostapd_acs_completed(struct hostapd_iface *iface, int err)
{
int ret = -1;
if (err)
goto out;
switch (hostapd_check_chans(iface)) {
case HOSTAPD_CHAN_VALID:
wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO,
ACS_EVENT_COMPLETED "freq=%d channel=%d",
hostapd_hw_get_freq(iface->bss[0],
iface->conf->channel),
iface->conf->channel);
break;
case HOSTAPD_CHAN_ACS:
wpa_printf(MSG_ERROR, "ACS error - reported complete, but no result available");
wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, ACS_EVENT_FAILED);
hostapd_notify_bad_chans(iface);
goto out;
case HOSTAPD_CHAN_INVALID:
default:
wpa_printf(MSG_ERROR, "ACS picked unusable channels");
wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, ACS_EVENT_FAILED);
hostapd_notify_bad_chans(iface);
goto out;
}
ret = hostapd_check_ht_capab(iface);
if (ret < 0)
goto out;
if (ret == 1) {
wpa_printf(MSG_DEBUG, "Interface initialization will be completed in a callback");
return 0;
}
ret = 0;
out:
return hostapd_setup_interface_complete(iface, ret);
}
/**
* hostapd_select_hw_mode - Select the hardware mode
* @iface: Pointer to interface data.
* Returns: 0 on success, < 0 on failure
*
* Sets up the hardware mode, channel, rates, and passive scanning
* based on the configuration.
*/
int hostapd_select_hw_mode(struct hostapd_iface *iface)
{
int i;
if (iface->num_hw_features < 1)
return -1;
if ((iface->conf->hw_mode == HOSTAPD_MODE_IEEE80211G ||
iface->conf->ieee80211n || iface->conf->ieee80211ac ||
iface->conf->ieee80211ax) &&
iface->conf->channel == 14) {
wpa_printf(MSG_INFO, "Disable OFDM/HT/VHT/HE on channel 14");
iface->conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
iface->conf->ieee80211n = 0;
iface->conf->ieee80211ac = 0;
iface->conf->ieee80211ax = 0;
}
iface->current_mode = NULL;
for (i = 0; i < iface->num_hw_features; i++) {
struct hostapd_hw_modes *mode = &iface->hw_features[i];
if (mode->mode == iface->conf->hw_mode) {
iface->current_mode = mode;
break;
}
}
if (iface->current_mode == NULL) {
if (!(iface->drv_flags & WPA_DRIVER_FLAGS_ACS_OFFLOAD) ||
!(iface->drv_flags & WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY))
{
wpa_printf(MSG_ERROR,
"Hardware does not support configured mode");
hostapd_logger(iface->bss[0], NULL,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_WARNING,
"Hardware does not support configured mode (%d) (hw_mode in hostapd.conf)",
(int) iface->conf->hw_mode);
return -2;
}
}
switch (hostapd_check_chans(iface)) {
case HOSTAPD_CHAN_VALID:
return 0;
case HOSTAPD_CHAN_ACS: /* ACS will run and later complete */
return 1;
case HOSTAPD_CHAN_INVALID:
default:
hostapd_notify_bad_chans(iface);
return -3;
}
}
const char * hostapd_hw_mode_txt(int mode)
{
switch (mode) {
case HOSTAPD_MODE_IEEE80211A:
return "IEEE 802.11a";
case HOSTAPD_MODE_IEEE80211B:
return "IEEE 802.11b";
case HOSTAPD_MODE_IEEE80211G:
return "IEEE 802.11g";
case HOSTAPD_MODE_IEEE80211AD:
return "IEEE 802.11ad";
default:
return "UNKNOWN";
}
}
int hostapd_hw_get_freq(struct hostapd_data *hapd, int chan)
{
return hw_get_freq(hapd->iface->current_mode, chan);
}
int hostapd_hw_get_channel(struct hostapd_data *hapd, int freq)
{
int i, channel;
struct hostapd_hw_modes *mode;
if (hapd->iface->current_mode) {
channel = hw_get_chan(hapd->iface->current_mode, freq);
if (channel)
return channel;
}
/* Check other available modes since the channel list for the current
* mode did not include the specified frequency. */
if (!hapd->iface->hw_features)
return 0;
for (i = 0; i < hapd->iface->num_hw_features; i++) {
mode = &hapd->iface->hw_features[i];
channel = hw_get_chan(mode, freq);
if (channel)
return channel;
}
return 0;
}

76
hostapd-2.9/src/ap/hw_features.h Normal file
View file

@ -0,0 +1,76 @@
/*
* hostapd / Hardware feature query and different modes
* Copyright 2002-2003, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright (c) 2008-2011, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef HW_FEATURES_H
#define HW_FEATURES_H
#ifdef NEED_AP_MLME
void hostapd_free_hw_features(struct hostapd_hw_modes *hw_features,
size_t num_hw_features);
int hostapd_get_hw_features(struct hostapd_iface *iface);
int hostapd_acs_completed(struct hostapd_iface *iface, int err);
int hostapd_select_hw_mode(struct hostapd_iface *iface);
const char * hostapd_hw_mode_txt(int mode);
int hostapd_hw_get_freq(struct hostapd_data *hapd, int chan);
int hostapd_hw_get_channel(struct hostapd_data *hapd, int freq);
int hostapd_check_ht_capab(struct hostapd_iface *iface);
int hostapd_prepare_rates(struct hostapd_iface *iface,
struct hostapd_hw_modes *mode);
void hostapd_stop_setup_timers(struct hostapd_iface *iface);
#else /* NEED_AP_MLME */
static inline void
hostapd_free_hw_features(struct hostapd_hw_modes *hw_features,
size_t num_hw_features)
{
}
static inline int hostapd_get_hw_features(struct hostapd_iface *iface)
{
return -1;
}
static inline int hostapd_acs_completed(struct hostapd_iface *iface, int err)
{
return -1;
}
static inline int hostapd_select_hw_mode(struct hostapd_iface *iface)
{
return -100;
}
static inline const char * hostapd_hw_mode_txt(int mode)
{
return NULL;
}
static inline int hostapd_hw_get_freq(struct hostapd_data *hapd, int chan)
{
return -1;
}
static inline int hostapd_check_ht_capab(struct hostapd_iface *iface)
{
return 0;
}
static inline int hostapd_prepare_rates(struct hostapd_iface *iface,
struct hostapd_hw_modes *mode)
{
return 0;
}
static inline void hostapd_stop_setup_timers(struct hostapd_iface *iface)
{
}
#endif /* NEED_AP_MLME */
#endif /* HW_FEATURES_H */

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/*
* hostapd / IEEE 802.11F-2003 Inter-Access Point Protocol (IAPP)
* Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*
* Note: IEEE 802.11F-2003 was a experimental use specification. It has expired
* and IEEE has withdrawn it. In other words, it is likely better to look at
* using some other mechanism for AP-to-AP communication than extending the
* implementation here.
*/
/* TODO:
* Level 1: no administrative or security support
* (e.g., static BSSID to IP address mapping in each AP)
* Level 2: support for dynamic mapping of BSSID to IP address
* Level 3: support for encryption and authentication of IAPP messages
* - add support for MOVE-notify and MOVE-response (this requires support for
* finding out IP address for previous AP using RADIUS)
* - add support for Send- and ACK-Security-Block to speedup IEEE 802.1X during
* reassociation to another AP
* - implement counters etc. for IAPP MIB
* - verify endianness of fields in IAPP messages; are they big-endian as
* used here?
* - RADIUS connection for AP registration and BSSID to IP address mapping
* - TCP connection for IAPP MOVE, CACHE
* - broadcast ESP for IAPP ADD-notify
* - ESP for IAPP MOVE messages
* - security block sending/processing
* - IEEE 802.11 context transfer
*/
#include "utils/includes.h"
#include <net/if.h>
#include <sys/ioctl.h>
#include <netpacket/packet.h>
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
#include "hostapd.h"
#include "ap_config.h"
#include "ieee802_11.h"
#include "sta_info.h"
#include "iapp.h"
#define IAPP_MULTICAST "224.0.1.178"
#define IAPP_UDP_PORT 3517
#define IAPP_TCP_PORT 3517
struct iapp_hdr {
u8 version;
u8 command;
be16 identifier;
be16 length;
/* followed by length-6 octets of data */
} __attribute__ ((packed));
#define IAPP_VERSION 0
enum IAPP_COMMAND {
IAPP_CMD_ADD_notify = 0,
IAPP_CMD_MOVE_notify = 1,
IAPP_CMD_MOVE_response = 2,
IAPP_CMD_Send_Security_Block = 3,
IAPP_CMD_ACK_Security_Block = 4,
IAPP_CMD_CACHE_notify = 5,
IAPP_CMD_CACHE_response = 6,
};
/* ADD-notify - multicast UDP on the local LAN */
struct iapp_add_notify {
u8 addr_len; /* ETH_ALEN */
u8 reserved;
u8 mac_addr[ETH_ALEN];
be16 seq_num;
} __attribute__ ((packed));
/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
struct iapp_layer2_update {
u8 da[ETH_ALEN]; /* broadcast */
u8 sa[ETH_ALEN]; /* STA addr */
be16 len; /* 6 */
u8 dsap; /* null DSAP address */
u8 ssap; /* null SSAP address, CR=Response */
u8 control;
u8 xid_info[3];
} __attribute__ ((packed));
/* MOVE-notify - unicast TCP */
struct iapp_move_notify {
u8 addr_len; /* ETH_ALEN */
u8 reserved;
u8 mac_addr[ETH_ALEN];
u16 seq_num;
u16 ctx_block_len;
/* followed by ctx_block_len bytes */
} __attribute__ ((packed));
/* MOVE-response - unicast TCP */
struct iapp_move_response {
u8 addr_len; /* ETH_ALEN */
u8 status;
u8 mac_addr[ETH_ALEN];
u16 seq_num;
u16 ctx_block_len;
/* followed by ctx_block_len bytes */
} __attribute__ ((packed));
enum {
IAPP_MOVE_SUCCESSFUL = 0,
IAPP_MOVE_DENIED = 1,
IAPP_MOVE_STALE_MOVE = 2,
};
/* CACHE-notify */
struct iapp_cache_notify {
u8 addr_len; /* ETH_ALEN */
u8 reserved;
u8 mac_addr[ETH_ALEN];
u16 seq_num;
u8 current_ap[ETH_ALEN];
u16 ctx_block_len;
/* ctx_block_len bytes of context block followed by 16-bit context
* timeout */
} __attribute__ ((packed));
/* CACHE-response - unicast TCP */
struct iapp_cache_response {
u8 addr_len; /* ETH_ALEN */
u8 status;
u8 mac_addr[ETH_ALEN];
u16 seq_num;
} __attribute__ ((packed));
enum {
IAPP_CACHE_SUCCESSFUL = 0,
IAPP_CACHE_STALE_CACHE = 1,
};
/* Send-Security-Block - unicast TCP */
struct iapp_send_security_block {
u8 iv[8];
u16 sec_block_len;
/* followed by sec_block_len bytes of security block */
} __attribute__ ((packed));
/* ACK-Security-Block - unicast TCP */
struct iapp_ack_security_block {
u8 iv[8];
u8 new_ap_ack_authenticator[48];
} __attribute__ ((packed));
struct iapp_data {
struct hostapd_data *hapd;
u16 identifier; /* next IAPP identifier */
struct in_addr own, multicast;
int udp_sock;
int packet_sock;
};
static void iapp_send_add(struct iapp_data *iapp, u8 *mac_addr, u16 seq_num)
{
char buf[128];
struct iapp_hdr *hdr;
struct iapp_add_notify *add;
struct sockaddr_in addr;
/* Send IAPP ADD-notify to remove possible association from other APs
*/
hdr = (struct iapp_hdr *) buf;
hdr->version = IAPP_VERSION;
hdr->command = IAPP_CMD_ADD_notify;
hdr->identifier = host_to_be16(iapp->identifier++);
hdr->length = host_to_be16(sizeof(*hdr) + sizeof(*add));
add = (struct iapp_add_notify *) (hdr + 1);
add->addr_len = ETH_ALEN;
add->reserved = 0;
os_memcpy(add->mac_addr, mac_addr, ETH_ALEN);
add->seq_num = host_to_be16(seq_num);
os_memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = iapp->multicast.s_addr;
addr.sin_port = htons(IAPP_UDP_PORT);
if (sendto(iapp->udp_sock, buf, (char *) (add + 1) - buf, 0,
(struct sockaddr *) &addr, sizeof(addr)) < 0)
wpa_printf(MSG_INFO, "sendto[IAPP-ADD]: %s", strerror(errno));
}
static void iapp_send_layer2_update(struct iapp_data *iapp, u8 *addr)
{
struct iapp_layer2_update msg;
/* Send Level 2 Update Frame to update forwarding tables in layer 2
* bridge devices */
/* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
* Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
os_memset(msg.da, 0xff, ETH_ALEN);
os_memcpy(msg.sa, addr, ETH_ALEN);
msg.len = host_to_be16(6);
msg.dsap = 0; /* NULL DSAP address */
msg.ssap = 0x01; /* NULL SSAP address, CR Bit: Response */
msg.control = 0xaf; /* XID response lsb.1111F101.
* F=0 (no poll command; unsolicited frame) */
msg.xid_info[0] = 0x81; /* XID format identifier */
msg.xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
msg.xid_info[2] = 1 << 1; /* XID sender's receive window size (RW)
* FIX: what is correct RW with 802.11? */
if (send(iapp->packet_sock, &msg, sizeof(msg), 0) < 0)
wpa_printf(MSG_INFO, "send[L2 Update]: %s", strerror(errno));
}
/**
* iapp_new_station - IAPP processing for a new STA
* @iapp: IAPP data
* @sta: The associated station
*/
void iapp_new_station(struct iapp_data *iapp, struct sta_info *sta)
{
u16 seq = 0; /* TODO */
if (iapp == NULL)
return;
/* IAPP-ADD.request(MAC Address, Sequence Number, Timeout) */
hostapd_logger(iapp->hapd, sta->addr, HOSTAPD_MODULE_IAPP,
HOSTAPD_LEVEL_DEBUG, "IAPP-ADD.request(seq=%d)", seq);
iapp_send_layer2_update(iapp, sta->addr);
iapp_send_add(iapp, sta->addr, seq);
/* TODO: If this was reassociation:
* IAPP-MOVE.request(MAC Address, Sequence Number, Old AP,
* Context Block, Timeout)
* TODO: Send IAPP-MOVE to the old AP; Map Old AP BSSID to
* IP address */
}
static void iapp_process_add_notify(struct iapp_data *iapp,
struct sockaddr_in *from,
struct iapp_hdr *hdr, int len)
{
struct iapp_add_notify *add = (struct iapp_add_notify *) (hdr + 1);
struct sta_info *sta;
if (len != sizeof(*add)) {
wpa_printf(MSG_INFO, "Invalid IAPP-ADD packet length %d (expected %lu)",
len, (unsigned long) sizeof(*add));
return;
}
sta = ap_get_sta(iapp->hapd, add->mac_addr);
/* IAPP-ADD.indication(MAC Address, Sequence Number) */
hostapd_logger(iapp->hapd, add->mac_addr, HOSTAPD_MODULE_IAPP,
HOSTAPD_LEVEL_INFO,
"Received IAPP ADD-notify (seq# %d) from %s:%d%s",
be_to_host16(add->seq_num),
inet_ntoa(from->sin_addr), ntohs(from->sin_port),
sta ? "" : " (STA not found)");
if (!sta)
return;
/* TODO: could use seq_num to try to determine whether last association
* to this AP is newer than the one advertised in IAPP-ADD. Although,
* this is not really a reliable verification. */
hostapd_logger(iapp->hapd, add->mac_addr, HOSTAPD_MODULE_IAPP,
HOSTAPD_LEVEL_DEBUG,
"Removing STA due to IAPP ADD-notify");
ap_sta_disconnect(iapp->hapd, sta, NULL, 0);
}
/**
* iapp_receive_udp - Process IAPP UDP frames
* @sock: File descriptor for the socket
* @eloop_ctx: IAPP data (struct iapp_data *)
* @sock_ctx: Not used
*/
static void iapp_receive_udp(int sock, void *eloop_ctx, void *sock_ctx)
{
struct iapp_data *iapp = eloop_ctx;
int len, hlen;
unsigned char buf[128];
struct sockaddr_in from;
socklen_t fromlen;
struct iapp_hdr *hdr;
/* Handle incoming IAPP frames (over UDP/IP) */
fromlen = sizeof(from);
len = recvfrom(iapp->udp_sock, buf, sizeof(buf), 0,
(struct sockaddr *) &from, &fromlen);
if (len < 0) {
wpa_printf(MSG_INFO, "iapp_receive_udp - recvfrom: %s",
strerror(errno));
return;
}
if (from.sin_addr.s_addr == iapp->own.s_addr)
return; /* ignore own IAPP messages */
hostapd_logger(iapp->hapd, NULL, HOSTAPD_MODULE_IAPP,
HOSTAPD_LEVEL_DEBUG,
"Received %d byte IAPP frame from %s%s\n",
len, inet_ntoa(from.sin_addr),
len < (int) sizeof(*hdr) ? " (too short)" : "");
if (len < (int) sizeof(*hdr))
return;
hdr = (struct iapp_hdr *) buf;
hlen = be_to_host16(hdr->length);
hostapd_logger(iapp->hapd, NULL, HOSTAPD_MODULE_IAPP,
HOSTAPD_LEVEL_DEBUG,
"RX: version=%d command=%d id=%d len=%d\n",
hdr->version, hdr->command,
be_to_host16(hdr->identifier), hlen);
if (hdr->version != IAPP_VERSION) {
wpa_printf(MSG_INFO, "Dropping IAPP frame with unknown version %d",
hdr->version);
return;
}
if (hlen > len) {
wpa_printf(MSG_INFO, "Underflow IAPP frame (hlen=%d len=%d)",
hlen, len);
return;
}
if (hlen < len) {
wpa_printf(MSG_INFO, "Ignoring %d extra bytes from IAPP frame",
len - hlen);
len = hlen;
}
switch (hdr->command) {
case IAPP_CMD_ADD_notify:
iapp_process_add_notify(iapp, &from, hdr, len - sizeof(*hdr));
break;
case IAPP_CMD_MOVE_notify:
/* TODO: MOVE is using TCP; so move this to TCP handler once it
* is implemented.. */
/* IAPP-MOVE.indication(MAC Address, New BSSID,
* Sequence Number, AP Address, Context Block) */
/* TODO: process */
break;
default:
wpa_printf(MSG_INFO, "Unknown IAPP command %d", hdr->command);
break;
}
}
struct iapp_data * iapp_init(struct hostapd_data *hapd, const char *iface)
{
struct ifreq ifr;
struct sockaddr_ll addr;
int ifindex;
struct sockaddr_in *paddr, uaddr;
struct iapp_data *iapp;
struct ip_mreqn mreq;
int reuseaddr = 1;
iapp = os_zalloc(sizeof(*iapp));
if (iapp == NULL)
return NULL;
iapp->hapd = hapd;
iapp->udp_sock = iapp->packet_sock = -1;
/* TODO:
* open socket for sending and receiving IAPP frames over TCP
*/
iapp->udp_sock = socket(PF_INET, SOCK_DGRAM, 0);
if (iapp->udp_sock < 0) {
wpa_printf(MSG_INFO, "iapp_init - socket[PF_INET,SOCK_DGRAM]: %s",
strerror(errno));
iapp_deinit(iapp);
return NULL;
}
os_memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, iface, sizeof(ifr.ifr_name));
if (ioctl(iapp->udp_sock, SIOCGIFINDEX, &ifr) != 0) {
wpa_printf(MSG_INFO, "iapp_init - ioctl(SIOCGIFINDEX): %s",
strerror(errno));
iapp_deinit(iapp);
return NULL;
}
ifindex = ifr.ifr_ifindex;
if (ioctl(iapp->udp_sock, SIOCGIFADDR, &ifr) != 0) {
wpa_printf(MSG_INFO, "iapp_init - ioctl(SIOCGIFADDR): %s",
strerror(errno));
iapp_deinit(iapp);
return NULL;
}
paddr = (struct sockaddr_in *) &ifr.ifr_addr;
if (paddr->sin_family != AF_INET) {
wpa_printf(MSG_INFO, "IAPP: Invalid address family %i (SIOCGIFADDR)",
paddr->sin_family);
iapp_deinit(iapp);
return NULL;
}
iapp->own.s_addr = paddr->sin_addr.s_addr;
if (ioctl(iapp->udp_sock, SIOCGIFBRDADDR, &ifr) != 0) {
wpa_printf(MSG_INFO, "iapp_init - ioctl(SIOCGIFBRDADDR): %s",
strerror(errno));
iapp_deinit(iapp);
return NULL;
}
paddr = (struct sockaddr_in *) &ifr.ifr_addr;
if (paddr->sin_family != AF_INET) {
wpa_printf(MSG_INFO, "Invalid address family %i (SIOCGIFBRDADDR)",
paddr->sin_family);
iapp_deinit(iapp);
return NULL;
}
inet_aton(IAPP_MULTICAST, &iapp->multicast);
os_memset(&uaddr, 0, sizeof(uaddr));
uaddr.sin_family = AF_INET;
uaddr.sin_port = htons(IAPP_UDP_PORT);
if (setsockopt(iapp->udp_sock, SOL_SOCKET, SO_REUSEADDR, &reuseaddr,
sizeof(reuseaddr)) < 0) {
wpa_printf(MSG_INFO,
"iapp_init - setsockopt[UDP,SO_REUSEADDR]: %s",
strerror(errno));
/*
* Ignore this and try to continue. This is fine for single
* BSS cases, but may fail if multiple BSSes enable IAPP.
*/
}
if (bind(iapp->udp_sock, (struct sockaddr *) &uaddr,
sizeof(uaddr)) < 0) {
wpa_printf(MSG_INFO, "iapp_init - bind[UDP]: %s",
strerror(errno));
iapp_deinit(iapp);
return NULL;
}
os_memset(&mreq, 0, sizeof(mreq));
mreq.imr_multiaddr = iapp->multicast;
mreq.imr_address.s_addr = INADDR_ANY;
mreq.imr_ifindex = 0;
if (setsockopt(iapp->udp_sock, SOL_IP, IP_ADD_MEMBERSHIP, &mreq,
sizeof(mreq)) < 0) {
wpa_printf(MSG_INFO, "iapp_init - setsockopt[UDP,IP_ADD_MEMBERSHIP]: %s",
strerror(errno));
iapp_deinit(iapp);
return NULL;
}
iapp->packet_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if (iapp->packet_sock < 0) {
wpa_printf(MSG_INFO, "iapp_init - socket[PF_PACKET,SOCK_RAW]: %s",
strerror(errno));
iapp_deinit(iapp);
return NULL;
}
os_memset(&addr, 0, sizeof(addr));
addr.sll_family = AF_PACKET;
addr.sll_ifindex = ifindex;
if (bind(iapp->packet_sock, (struct sockaddr *) &addr,
sizeof(addr)) < 0) {
wpa_printf(MSG_INFO, "iapp_init - bind[PACKET]: %s",
strerror(errno));
iapp_deinit(iapp);
return NULL;
}
if (eloop_register_read_sock(iapp->udp_sock, iapp_receive_udp,
iapp, NULL)) {
wpa_printf(MSG_INFO, "Could not register read socket for IAPP");
iapp_deinit(iapp);
return NULL;
}
wpa_printf(MSG_INFO, "IEEE 802.11F (IAPP) using interface %s", iface);
/* TODO: For levels 2 and 3: send RADIUS Initiate-Request, receive
* RADIUS Initiate-Accept or Initiate-Reject. IAPP port should actually
* be openned only after receiving Initiate-Accept. If Initiate-Reject
* is received, IAPP is not started. */
return iapp;
}
void iapp_deinit(struct iapp_data *iapp)
{
struct ip_mreqn mreq;
if (iapp == NULL)
return;
if (iapp->udp_sock >= 0) {
os_memset(&mreq, 0, sizeof(mreq));
mreq.imr_multiaddr = iapp->multicast;
mreq.imr_address.s_addr = INADDR_ANY;
mreq.imr_ifindex = 0;
if (setsockopt(iapp->udp_sock, SOL_IP, IP_DROP_MEMBERSHIP,
&mreq, sizeof(mreq)) < 0) {
wpa_printf(MSG_INFO, "iapp_deinit - setsockopt[UDP,IP_DEL_MEMBERSHIP]: %s",
strerror(errno));
}
eloop_unregister_read_sock(iapp->udp_sock);
close(iapp->udp_sock);
}
if (iapp->packet_sock >= 0) {
eloop_unregister_read_sock(iapp->packet_sock);
close(iapp->packet_sock);
}
os_free(iapp);
}

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/*
* hostapd / IEEE 802.11F-2003 Inter-Access Point Protocol (IAPP)
* Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef IAPP_H
#define IAPP_H
struct iapp_data;
#ifdef CONFIG_IAPP
void iapp_new_station(struct iapp_data *iapp, struct sta_info *sta);
struct iapp_data * iapp_init(struct hostapd_data *hapd, const char *iface);
void iapp_deinit(struct iapp_data *iapp);
#else /* CONFIG_IAPP */
static inline void iapp_new_station(struct iapp_data *iapp,
struct sta_info *sta)
{
}
static inline struct iapp_data * iapp_init(struct hostapd_data *hapd,
const char *iface)
{
return NULL;
}
static inline void iapp_deinit(struct iapp_data *iapp)
{
}
#endif /* CONFIG_IAPP */
#endif /* IAPP_H */

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/*
* hostapd / IEEE 802.11 Management
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef IEEE802_11_H
#define IEEE802_11_H
struct hostapd_iface;
struct hostapd_data;
struct sta_info;
struct hostapd_frame_info;
struct ieee80211_ht_capabilities;
struct ieee80211_vht_capabilities;
struct ieee80211_mgmt;
struct vlan_description;
struct hostapd_sta_wpa_psk_short;
enum ieee80211_op_mode;
int ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,
struct hostapd_frame_info *fi);
void ieee802_11_mgmt_cb(struct hostapd_data *hapd, const u8 *buf, size_t len,
u16 stype, int ok);
void hostapd_2040_coex_action(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len);
#ifdef NEED_AP_MLME
int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen);
int ieee802_11_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
char *buf, size_t buflen);
#else /* NEED_AP_MLME */
static inline int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf,
size_t buflen)
{
return 0;
}
static inline int ieee802_11_get_mib_sta(struct hostapd_data *hapd,
struct sta_info *sta,
char *buf, size_t buflen)
{
return 0;
}
#endif /* NEED_AP_MLME */
u16 hostapd_own_capab_info(struct hostapd_data *hapd);
void ap_ht2040_timeout(void *eloop_data, void *user_data);
u8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_qos_map_set(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_supp_rates(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_ext_supp_rates(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_ht_capabilities(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_vht_capabilities(struct hostapd_data *hapd, u8 *eid, u32 nsts);
u8 * hostapd_eid_vht_operation(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_vendor_vht(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_wb_chsw_wrapper(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_txpower_envelope(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_he_capab(struct hostapd_data *hapd, u8 *eid,
enum ieee80211_op_mode opmode);
u8 * hostapd_eid_he_operation(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_he_mu_edca_parameter_set(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_spatial_reuse(struct hostapd_data *hapd, u8 *eid);
int hostapd_ht_operation_update(struct hostapd_iface *iface);
void ieee802_11_send_sa_query_req(struct hostapd_data *hapd,
const u8 *addr, const u8 *trans_id);
void hostapd_get_ht_capab(struct hostapd_data *hapd,
struct ieee80211_ht_capabilities *ht_cap,
struct ieee80211_ht_capabilities *neg_ht_cap);
void hostapd_get_vht_capab(struct hostapd_data *hapd,
struct ieee80211_vht_capabilities *vht_cap,
struct ieee80211_vht_capabilities *neg_vht_cap);
void hostapd_get_he_capab(struct hostapd_data *hapd,
const struct ieee80211_he_capabilities *he_cap,
struct ieee80211_he_capabilities *neg_he_cap,
size_t he_capab_len);
int hostapd_get_aid(struct hostapd_data *hapd, struct sta_info *sta);
u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *ht_capab);
u16 copy_sta_vendor_vht(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *ie, size_t len);
void update_ht_state(struct hostapd_data *hapd, struct sta_info *sta);
void ht40_intolerant_add(struct hostapd_iface *iface, struct sta_info *sta);
void ht40_intolerant_remove(struct hostapd_iface *iface, struct sta_info *sta);
u16 copy_sta_vht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_capab);
u16 copy_sta_vht_oper(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_oper);
u16 set_sta_vht_opmode(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_opmode);
u16 copy_sta_he_capab(struct hostapd_data *hapd, struct sta_info *sta,
enum ieee80211_op_mode opmode, const u8 *he_capab,
size_t he_capab_len);
void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
const u8 *buf, size_t len, int ack);
void hostapd_eapol_tx_status(struct hostapd_data *hapd, const u8 *dst,
const u8 *data, size_t len, int ack);
void ieee802_11_rx_from_unknown(struct hostapd_data *hapd, const u8 *src,
int wds);
u8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd,
struct sta_info *sta, u8 *eid);
void ieee802_11_sa_query_action(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt,
size_t len);
u8 * hostapd_eid_interworking(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_adv_proto(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_roaming_consortium(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_time_adv(struct hostapd_data *hapd, u8 *eid);
u8 * hostapd_eid_time_zone(struct hostapd_data *hapd, u8 *eid);
int hostapd_update_time_adv(struct hostapd_data *hapd);
void hostapd_client_poll_ok(struct hostapd_data *hapd, const u8 *addr);
u8 * hostapd_eid_bss_max_idle_period(struct hostapd_data *hapd, u8 *eid);
int auth_sae_init_committed(struct hostapd_data *hapd, struct sta_info *sta);
#ifdef CONFIG_SAE
void sae_clear_retransmit_timer(struct hostapd_data *hapd,
struct sta_info *sta);
void sae_accept_sta(struct hostapd_data *hapd, struct sta_info *sta);
#else /* CONFIG_SAE */
static inline void sae_clear_retransmit_timer(struct hostapd_data *hapd,
struct sta_info *sta)
{
}
#endif /* CONFIG_SAE */
#ifdef CONFIG_MBO
u8 * hostapd_eid_mbo(struct hostapd_data *hapd, u8 *eid, size_t len);
u8 hostapd_mbo_ie_len(struct hostapd_data *hapd);
u8 * hostapd_eid_mbo_rssi_assoc_rej(struct hostapd_data *hapd, u8 *eid,
size_t len, int delta);
#else /* CONFIG_MBO */
static inline u8 * hostapd_eid_mbo(struct hostapd_data *hapd, u8 *eid,
size_t len)
{
return eid;
}
static inline u8 hostapd_mbo_ie_len(struct hostapd_data *hapd)
{
return 0;
}
#endif /* CONFIG_MBO */
void ap_copy_sta_supp_op_classes(struct sta_info *sta,
const u8 *supp_op_classes,
size_t supp_op_classes_len);
u8 * hostapd_eid_fils_indic(struct hostapd_data *hapd, u8 *eid, int hessid);
void ieee802_11_finish_fils_auth(struct hostapd_data *hapd,
struct sta_info *sta, int success,
struct wpabuf *erp_resp,
const u8 *msk, size_t msk_len);
u8 * owe_assoc_req_process(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *owe_dh, u8 owe_dh_len,
u8 *owe_buf, size_t owe_buf_len, u16 *reason);
u16 owe_process_rsn_ie(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *rsn_ie, size_t rsn_ie_len,
const u8 *owe_dh, size_t owe_dh_len);
u16 owe_validate_request(struct hostapd_data *hapd, const u8 *peer,
const u8 *rsn_ie, size_t rsn_ie_len,
const u8 *owe_dh, size_t owe_dh_len);
void fils_hlp_timeout(void *eloop_ctx, void *eloop_data);
void fils_hlp_finish_assoc(struct hostapd_data *hapd, struct sta_info *sta);
void handle_auth_fils(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *pos, size_t len, u16 auth_alg,
u16 auth_transaction, u16 status_code,
void (*cb)(struct hostapd_data *hapd,
struct sta_info *sta,
u16 resp, struct wpabuf *data, int pub));
size_t hostapd_eid_owe_trans_len(struct hostapd_data *hapd);
u8 * hostapd_eid_owe_trans(struct hostapd_data *hapd, u8 *eid, size_t len);
int ieee802_11_allowed_address(struct hostapd_data *hapd, const u8 *addr,
const u8 *msg, size_t len, u32 *session_timeout,
u32 *acct_interim_interval,
struct vlan_description *vlan_id,
struct hostapd_sta_wpa_psk_short **psk,
char **identity, char **radius_cui,
int is_probe_req);
int get_tx_parameters(struct sta_info *sta, int ap_max_chanwidth,
int ap_seg1_idx, int *bandwidth, int *seg1_idx);
void auth_sae_process_commit(void *eloop_ctx, void *user_ctx);
#endif /* IEEE802_11_H */

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hostapd-2.9/src/ap/ieee802_11_auth.c Normal file
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@ -0,0 +1,701 @@
/*
* hostapd / IEEE 802.11 authentication (ACL)
* Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*
* Access control list for IEEE 802.11 authentication can uses statically
* configured ACL from configuration files or an external RADIUS server.
* Results from external RADIUS queries are cached to allow faster
* authentication frame processing.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "radius/radius.h"
#include "radius/radius_client.h"
#include "hostapd.h"
#include "ap_config.h"
#include "ap_drv_ops.h"
#include "ieee802_11.h"
#include "ieee802_1x.h"
#include "ieee802_11_auth.h"
#define RADIUS_ACL_TIMEOUT 30
struct hostapd_cached_radius_acl {
struct os_reltime timestamp;
macaddr addr;
int accepted; /* HOSTAPD_ACL_* */
struct hostapd_cached_radius_acl *next;
u32 session_timeout;
u32 acct_interim_interval;
struct vlan_description vlan_id;
struct hostapd_sta_wpa_psk_short *psk;
char *identity;
char *radius_cui;
};
struct hostapd_acl_query_data {
struct os_reltime timestamp;
u8 radius_id;
macaddr addr;
u8 *auth_msg; /* IEEE 802.11 authentication frame from station */
size_t auth_msg_len;
struct hostapd_acl_query_data *next;
};
#ifndef CONFIG_NO_RADIUS
static void hostapd_acl_cache_free_entry(struct hostapd_cached_radius_acl *e)
{
os_free(e->identity);
os_free(e->radius_cui);
hostapd_free_psk_list(e->psk);
os_free(e);
}
static void hostapd_acl_cache_free(struct hostapd_cached_radius_acl *acl_cache)
{
struct hostapd_cached_radius_acl *prev;
while (acl_cache) {
prev = acl_cache;
acl_cache = acl_cache->next;
hostapd_acl_cache_free_entry(prev);
}
}
static void copy_psk_list(struct hostapd_sta_wpa_psk_short **psk,
struct hostapd_sta_wpa_psk_short *src)
{
if (!psk)
return;
if (src)
src->ref++;
*psk = src;
}
static int hostapd_acl_cache_get(struct hostapd_data *hapd, const u8 *addr,
u32 *session_timeout,
u32 *acct_interim_interval,
struct vlan_description *vlan_id,
struct hostapd_sta_wpa_psk_short **psk,
char **identity, char **radius_cui)
{
struct hostapd_cached_radius_acl *entry;
struct os_reltime now;
os_get_reltime(&now);
for (entry = hapd->acl_cache; entry; entry = entry->next) {
if (os_memcmp(entry->addr, addr, ETH_ALEN) != 0)
continue;
if (os_reltime_expired(&now, &entry->timestamp,
RADIUS_ACL_TIMEOUT))
return -1; /* entry has expired */
if (entry->accepted == HOSTAPD_ACL_ACCEPT_TIMEOUT)
if (session_timeout)
*session_timeout = entry->session_timeout;
if (acct_interim_interval)
*acct_interim_interval =
entry->acct_interim_interval;
if (vlan_id)
*vlan_id = entry->vlan_id;
copy_psk_list(psk, entry->psk);
if (identity) {
if (entry->identity)
*identity = os_strdup(entry->identity);
else
*identity = NULL;
}
if (radius_cui) {
if (entry->radius_cui)
*radius_cui = os_strdup(entry->radius_cui);
else
*radius_cui = NULL;
}
return entry->accepted;
}
return -1;
}
#endif /* CONFIG_NO_RADIUS */
static void hostapd_acl_query_free(struct hostapd_acl_query_data *query)
{
if (query == NULL)
return;
os_free(query->auth_msg);
os_free(query);
}
#ifndef CONFIG_NO_RADIUS
static int hostapd_radius_acl_query(struct hostapd_data *hapd, const u8 *addr,
struct hostapd_acl_query_data *query)
{
struct radius_msg *msg;
char buf[128];
query->radius_id = radius_client_get_id(hapd->radius);
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST, query->radius_id);
if (msg == NULL)
return -1;
if (radius_msg_make_authenticator(msg) < 0) {
wpa_printf(MSG_INFO, "Could not make Request Authenticator");
goto fail;
}
os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT, MAC2STR(addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, (u8 *) buf,
os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add User-Name");
goto fail;
}
if (!radius_msg_add_attr_user_password(
msg, (u8 *) buf, os_strlen(buf),
hapd->conf->radius->auth_server->shared_secret,
hapd->conf->radius->auth_server->shared_secret_len)) {
wpa_printf(MSG_DEBUG, "Could not add User-Password");
goto fail;
}
if (add_common_radius_attr(hapd, hapd->conf->radius_auth_req_attr,
NULL, msg) < 0)
goto fail;
os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
MAC2STR(addr));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
(u8 *) buf, os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add Calling-Station-Id");
goto fail;
}
os_snprintf(buf, sizeof(buf), "CONNECT 11Mbps 802.11b");
if (!radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
(u8 *) buf, os_strlen(buf))) {
wpa_printf(MSG_DEBUG, "Could not add Connect-Info");
goto fail;
}
if (radius_client_send(hapd->radius, msg, RADIUS_AUTH, addr) < 0)
goto fail;
return 0;
fail:
radius_msg_free(msg);
return -1;
}
#endif /* CONFIG_NO_RADIUS */
/**
* hostapd_check_acl - Check a specified STA against accept/deny ACLs
* @hapd: hostapd BSS data
* @addr: MAC address of the STA
* @vlan_id: Buffer for returning VLAN ID
* Returns: HOSTAPD_ACL_ACCEPT, HOSTAPD_ACL_REJECT, or HOSTAPD_ACL_PENDING
*/
int hostapd_check_acl(struct hostapd_data *hapd, const u8 *addr,
struct vlan_description *vlan_id)
{
if (hostapd_maclist_found(hapd->conf->accept_mac,
hapd->conf->num_accept_mac, addr, vlan_id))
return HOSTAPD_ACL_ACCEPT;
if (hostapd_maclist_found(hapd->conf->deny_mac,
hapd->conf->num_deny_mac, addr, vlan_id))
return HOSTAPD_ACL_REJECT;
if (hapd->conf->macaddr_acl == ACCEPT_UNLESS_DENIED)
return HOSTAPD_ACL_ACCEPT;
if (hapd->conf->macaddr_acl == DENY_UNLESS_ACCEPTED)
return HOSTAPD_ACL_REJECT;
return HOSTAPD_ACL_PENDING;
}
/**
* hostapd_allowed_address - Check whether a specified STA can be authenticated
* @hapd: hostapd BSS data
* @addr: MAC address of the STA
* @msg: Authentication message
* @len: Length of msg in octets
* @session_timeout: Buffer for returning session timeout (from RADIUS)
* @acct_interim_interval: Buffer for returning account interval (from RADIUS)
* @vlan_id: Buffer for returning VLAN ID
* @psk: Linked list buffer for returning WPA PSK
* @identity: Buffer for returning identity (from RADIUS)
* @radius_cui: Buffer for returning CUI (from RADIUS)
* @is_probe_req: Whether this query for a Probe Request frame
* Returns: HOSTAPD_ACL_ACCEPT, HOSTAPD_ACL_REJECT, or HOSTAPD_ACL_PENDING
*
* The caller is responsible for freeing the returned *identity and *radius_cui
* values with os_free().
*/
int hostapd_allowed_address(struct hostapd_data *hapd, const u8 *addr,
const u8 *msg, size_t len, u32 *session_timeout,
u32 *acct_interim_interval,
struct vlan_description *vlan_id,
struct hostapd_sta_wpa_psk_short **psk,
char **identity, char **radius_cui,
int is_probe_req)
{
int res;
if (session_timeout)
*session_timeout = 0;
if (acct_interim_interval)
*acct_interim_interval = 0;
if (vlan_id)
os_memset(vlan_id, 0, sizeof(*vlan_id));
if (psk)
*psk = NULL;
if (identity)
*identity = NULL;
if (radius_cui)
*radius_cui = NULL;
res = hostapd_check_acl(hapd, addr, vlan_id);
if (res != HOSTAPD_ACL_PENDING)
return res;
if (hapd->conf->macaddr_acl == USE_EXTERNAL_RADIUS_AUTH) {
#ifdef CONFIG_NO_RADIUS
return HOSTAPD_ACL_REJECT;
#else /* CONFIG_NO_RADIUS */
struct hostapd_acl_query_data *query;
if (is_probe_req) {
/* Skip RADIUS queries for Probe Request frames to avoid
* excessive load on the authentication server. */
return HOSTAPD_ACL_ACCEPT;
};
if (hapd->conf->ssid.dynamic_vlan == DYNAMIC_VLAN_DISABLED)
vlan_id = NULL;
/* Check whether ACL cache has an entry for this station */
res = hostapd_acl_cache_get(hapd, addr, session_timeout,
acct_interim_interval, vlan_id, psk,
identity, radius_cui);
if (res == HOSTAPD_ACL_ACCEPT ||
res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
return res;
if (res == HOSTAPD_ACL_REJECT)
return HOSTAPD_ACL_REJECT;
query = hapd->acl_queries;
while (query) {
if (os_memcmp(query->addr, addr, ETH_ALEN) == 0) {
/* pending query in RADIUS retransmit queue;
* do not generate a new one */
if (identity) {
os_free(*identity);
*identity = NULL;
}
if (radius_cui) {
os_free(*radius_cui);
*radius_cui = NULL;
}
return HOSTAPD_ACL_PENDING;
}
query = query->next;
}
if (!hapd->conf->radius->auth_server)
return HOSTAPD_ACL_REJECT;
/* No entry in the cache - query external RADIUS server */
query = os_zalloc(sizeof(*query));
if (query == NULL) {
wpa_printf(MSG_ERROR, "malloc for query data failed");
return HOSTAPD_ACL_REJECT;
}
os_get_reltime(&query->timestamp);
os_memcpy(query->addr, addr, ETH_ALEN);
if (hostapd_radius_acl_query(hapd, addr, query)) {
wpa_printf(MSG_DEBUG, "Failed to send Access-Request "
"for ACL query.");
hostapd_acl_query_free(query);
return HOSTAPD_ACL_REJECT;
}
query->auth_msg = os_memdup(msg, len);
if (query->auth_msg == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate memory for "
"auth frame.");
hostapd_acl_query_free(query);
return HOSTAPD_ACL_REJECT;
}
query->auth_msg_len = len;
query->next = hapd->acl_queries;
hapd->acl_queries = query;
/* Queued data will be processed in hostapd_acl_recv_radius()
* when RADIUS server replies to the sent Access-Request. */
return HOSTAPD_ACL_PENDING;
#endif /* CONFIG_NO_RADIUS */
}
return HOSTAPD_ACL_REJECT;
}
#ifndef CONFIG_NO_RADIUS
static void hostapd_acl_expire_cache(struct hostapd_data *hapd,
struct os_reltime *now)
{
struct hostapd_cached_radius_acl *prev, *entry, *tmp;
prev = NULL;
entry = hapd->acl_cache;
while (entry) {
if (os_reltime_expired(now, &entry->timestamp,
RADIUS_ACL_TIMEOUT)) {
wpa_printf(MSG_DEBUG, "Cached ACL entry for " MACSTR
" has expired.", MAC2STR(entry->addr));
if (prev)
prev->next = entry->next;
else
hapd->acl_cache = entry->next;
hostapd_drv_set_radius_acl_expire(hapd, entry->addr);
tmp = entry;
entry = entry->next;
hostapd_acl_cache_free_entry(tmp);
continue;
}
prev = entry;
entry = entry->next;
}
}
static void hostapd_acl_expire_queries(struct hostapd_data *hapd,
struct os_reltime *now)
{
struct hostapd_acl_query_data *prev, *entry, *tmp;
prev = NULL;
entry = hapd->acl_queries;
while (entry) {
if (os_reltime_expired(now, &entry->timestamp,
RADIUS_ACL_TIMEOUT)) {
wpa_printf(MSG_DEBUG, "ACL query for " MACSTR
" has expired.", MAC2STR(entry->addr));
if (prev)
prev->next = entry->next;
else
hapd->acl_queries = entry->next;
tmp = entry;
entry = entry->next;
hostapd_acl_query_free(tmp);
continue;
}
prev = entry;
entry = entry->next;
}
}
/**
* hostapd_acl_expire - ACL cache expiration callback
* @hapd: struct hostapd_data *
*/
void hostapd_acl_expire(struct hostapd_data *hapd)
{
struct os_reltime now;
os_get_reltime(&now);
hostapd_acl_expire_cache(hapd, &now);
hostapd_acl_expire_queries(hapd, &now);
}
static void decode_tunnel_passwords(struct hostapd_data *hapd,
const u8 *shared_secret,
size_t shared_secret_len,
struct radius_msg *msg,
struct radius_msg *req,
struct hostapd_cached_radius_acl *cache)
{
int passphraselen;
char *passphrase;
size_t i;
struct hostapd_sta_wpa_psk_short *psk;
/*
* Decode all tunnel passwords as PSK and save them into a linked list.
*/
for (i = 0; ; i++) {
passphrase = radius_msg_get_tunnel_password(
msg, &passphraselen, shared_secret, shared_secret_len,
req, i);
/*
* Passphrase is NULL iff there is no i-th Tunnel-Password
* attribute in msg.
*/
if (passphrase == NULL)
break;
/*
* Passphase should be 8..63 chars (to be hashed with SSID)
* or 64 chars hex string (no separate hashing with SSID).
*/
if (passphraselen < MIN_PASSPHRASE_LEN ||
passphraselen > MAX_PASSPHRASE_LEN + 1)
goto free_pass;
/*
* passphrase does not contain the NULL termination.
* Add it here as pbkdf2_sha1() requires it.
*/
psk = os_zalloc(sizeof(struct hostapd_sta_wpa_psk_short));
if (psk) {
if ((passphraselen == MAX_PASSPHRASE_LEN + 1) &&
(hexstr2bin(passphrase, psk->psk, PMK_LEN) < 0)) {
hostapd_logger(hapd, cache->addr,
HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_WARNING,
"invalid hex string (%d chars) in Tunnel-Password",
passphraselen);
goto skip;
} else if (passphraselen <= MAX_PASSPHRASE_LEN) {
os_memcpy(psk->passphrase, passphrase,
passphraselen);
psk->is_passphrase = 1;
}
psk->next = cache->psk;
cache->psk = psk;
psk = NULL;
}
skip:
os_free(psk);
free_pass:
os_free(passphrase);
}
}
/**
* hostapd_acl_recv_radius - Process incoming RADIUS Authentication messages
* @msg: RADIUS response message
* @req: RADIUS request message
* @shared_secret: RADIUS shared secret
* @shared_secret_len: Length of shared_secret in octets
* @data: Context data (struct hostapd_data *)
* Returns: RADIUS_RX_PROCESSED if RADIUS message was a reply to ACL query (and
* was processed here) or RADIUS_RX_UNKNOWN if not.
*/
static RadiusRxResult
hostapd_acl_recv_radius(struct radius_msg *msg, struct radius_msg *req,
const u8 *shared_secret, size_t shared_secret_len,
void *data)
{
struct hostapd_data *hapd = data;
struct hostapd_acl_query_data *query, *prev;
struct hostapd_cached_radius_acl *cache;
struct radius_hdr *hdr = radius_msg_get_hdr(msg);
query = hapd->acl_queries;
prev = NULL;
while (query) {
if (query->radius_id == hdr->identifier)
break;
prev = query;
query = query->next;
}
if (query == NULL)
return RADIUS_RX_UNKNOWN;
wpa_printf(MSG_DEBUG, "Found matching Access-Request for RADIUS "
"message (id=%d)", query->radius_id);
if (radius_msg_verify(msg, shared_secret, shared_secret_len, req, 0)) {
wpa_printf(MSG_INFO, "Incoming RADIUS packet did not have "
"correct authenticator - dropped\n");
return RADIUS_RX_INVALID_AUTHENTICATOR;
}
if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
hdr->code != RADIUS_CODE_ACCESS_REJECT) {
wpa_printf(MSG_DEBUG, "Unknown RADIUS message code %d to ACL "
"query", hdr->code);
return RADIUS_RX_UNKNOWN;
}
/* Insert Accept/Reject info into ACL cache */
cache = os_zalloc(sizeof(*cache));
if (cache == NULL) {
wpa_printf(MSG_DEBUG, "Failed to add ACL cache entry");
goto done;
}
os_get_reltime(&cache->timestamp);
os_memcpy(cache->addr, query->addr, sizeof(cache->addr));
if (hdr->code == RADIUS_CODE_ACCESS_ACCEPT) {
u8 *buf;
size_t len;
if (radius_msg_get_attr_int32(msg, RADIUS_ATTR_SESSION_TIMEOUT,
&cache->session_timeout) == 0)
cache->accepted = HOSTAPD_ACL_ACCEPT_TIMEOUT;
else
cache->accepted = HOSTAPD_ACL_ACCEPT;
if (radius_msg_get_attr_int32(
msg, RADIUS_ATTR_ACCT_INTERIM_INTERVAL,
&cache->acct_interim_interval) == 0 &&
cache->acct_interim_interval < 60) {
wpa_printf(MSG_DEBUG, "Ignored too small "
"Acct-Interim-Interval %d for STA " MACSTR,
cache->acct_interim_interval,
MAC2STR(query->addr));
cache->acct_interim_interval = 0;
}
if (hapd->conf->ssid.dynamic_vlan != DYNAMIC_VLAN_DISABLED)
cache->vlan_id.notempty = !!radius_msg_get_vlanid(
msg, &cache->vlan_id.untagged,
MAX_NUM_TAGGED_VLAN, cache->vlan_id.tagged);
decode_tunnel_passwords(hapd, shared_secret, shared_secret_len,
msg, req, cache);
if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_USER_NAME,
&buf, &len, NULL) == 0) {
cache->identity = os_zalloc(len + 1);
if (cache->identity)
os_memcpy(cache->identity, buf, len);
}
if (radius_msg_get_attr_ptr(
msg, RADIUS_ATTR_CHARGEABLE_USER_IDENTITY,
&buf, &len, NULL) == 0) {
cache->radius_cui = os_zalloc(len + 1);
if (cache->radius_cui)
os_memcpy(cache->radius_cui, buf, len);
}
if (hapd->conf->wpa_psk_radius == PSK_RADIUS_REQUIRED &&
!cache->psk)
cache->accepted = HOSTAPD_ACL_REJECT;
if (cache->vlan_id.notempty &&
!hostapd_vlan_valid(hapd->conf->vlan, &cache->vlan_id)) {
hostapd_logger(hapd, query->addr,
HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
"Invalid VLAN %d%s received from RADIUS server",
cache->vlan_id.untagged,
cache->vlan_id.tagged[0] ? "+" : "");
os_memset(&cache->vlan_id, 0, sizeof(cache->vlan_id));
}
if (hapd->conf->ssid.dynamic_vlan == DYNAMIC_VLAN_REQUIRED &&
!cache->vlan_id.notempty)
cache->accepted = HOSTAPD_ACL_REJECT;
} else
cache->accepted = HOSTAPD_ACL_REJECT;
cache->next = hapd->acl_cache;
hapd->acl_cache = cache;
#ifdef CONFIG_DRIVER_RADIUS_ACL
hostapd_drv_set_radius_acl_auth(hapd, query->addr, cache->accepted,
cache->session_timeout);
#else /* CONFIG_DRIVER_RADIUS_ACL */
#ifdef NEED_AP_MLME
/* Re-send original authentication frame for 802.11 processing */
wpa_printf(MSG_DEBUG, "Re-sending authentication frame after "
"successful RADIUS ACL query");
ieee802_11_mgmt(hapd, query->auth_msg, query->auth_msg_len, NULL);
#endif /* NEED_AP_MLME */
#endif /* CONFIG_DRIVER_RADIUS_ACL */
done:
if (prev == NULL)
hapd->acl_queries = query->next;
else
prev->next = query->next;
hostapd_acl_query_free(query);
return RADIUS_RX_PROCESSED;
}
#endif /* CONFIG_NO_RADIUS */
/**
* hostapd_acl_init: Initialize IEEE 802.11 ACL
* @hapd: hostapd BSS data
* Returns: 0 on success, -1 on failure
*/
int hostapd_acl_init(struct hostapd_data *hapd)
{
#ifndef CONFIG_NO_RADIUS
if (radius_client_register(hapd->radius, RADIUS_AUTH,
hostapd_acl_recv_radius, hapd))
return -1;
#endif /* CONFIG_NO_RADIUS */
return 0;
}
/**
* hostapd_acl_deinit - Deinitialize IEEE 802.11 ACL
* @hapd: hostapd BSS data
*/
void hostapd_acl_deinit(struct hostapd_data *hapd)
{
struct hostapd_acl_query_data *query, *prev;
#ifndef CONFIG_NO_RADIUS
hostapd_acl_cache_free(hapd->acl_cache);
hapd->acl_cache = NULL;
#endif /* CONFIG_NO_RADIUS */
query = hapd->acl_queries;
hapd->acl_queries = NULL;
while (query) {
prev = query;
query = query->next;
hostapd_acl_query_free(prev);
}
}
void hostapd_free_psk_list(struct hostapd_sta_wpa_psk_short *psk)
{
if (psk && psk->ref) {
/* This will be freed when the last reference is dropped. */
psk->ref--;
return;
}
while (psk) {
struct hostapd_sta_wpa_psk_short *prev = psk;
psk = psk->next;
os_free(prev);
}
}

33
hostapd-2.9/src/ap/ieee802_11_auth.h Normal file
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/*
* hostapd / IEEE 802.11 authentication (ACL)
* Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef IEEE802_11_AUTH_H
#define IEEE802_11_AUTH_H
enum {
HOSTAPD_ACL_REJECT = 0,
HOSTAPD_ACL_ACCEPT = 1,
HOSTAPD_ACL_PENDING = 2,
HOSTAPD_ACL_ACCEPT_TIMEOUT = 3
};
int hostapd_check_acl(struct hostapd_data *hapd, const u8 *addr,
struct vlan_description *vlan_id);
int hostapd_allowed_address(struct hostapd_data *hapd, const u8 *addr,
const u8 *msg, size_t len, u32 *session_timeout,
u32 *acct_interim_interval,
struct vlan_description *vlan_id,
struct hostapd_sta_wpa_psk_short **psk,
char **identity, char **radius_cui,
int is_probe_req);
int hostapd_acl_init(struct hostapd_data *hapd);
void hostapd_acl_deinit(struct hostapd_data *hapd);
void hostapd_free_psk_list(struct hostapd_sta_wpa_psk_short *psk);
void hostapd_acl_expire(struct hostapd_data *hapd);
#endif /* IEEE802_11_AUTH_H */

348
hostapd-2.9/src/ap/ieee802_11_he.c Normal file
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/*
* hostapd / IEEE 802.11ax HE
* Copyright (c) 2016-2017, Qualcomm Atheros, Inc.
* Copyright (c) 2019 John Crispin <john@phrozen.org>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "hostapd.h"
#include "ap_config.h"
#include "beacon.h"
#include "sta_info.h"
#include "ieee802_11.h"
#include "dfs.h"
static u8 ieee80211_he_ppet_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
{
u8 sz = 0, ru;
if ((phy_cap_info[HE_PHYCAP_PPE_THRESHOLD_PRESENT_IDX] &
HE_PHYCAP_PPE_THRESHOLD_PRESENT) == 0)
return 0;
ru = (ppe_thres_hdr >> HE_PPE_THRES_RU_INDEX_BITMASK_SHIFT) &
HE_PPE_THRES_RU_INDEX_BITMASK_MASK;
while (ru) {
if (ru & 0x1)
sz++;
ru >>= 1;
}
sz *= 1 + (ppe_thres_hdr & HE_PPE_THRES_NSS_MASK);
sz = (sz * 6) + 7;
if (sz % 8)
sz += 8;
sz /= 8;
return sz;
}
u8 * hostapd_eid_he_capab(struct hostapd_data *hapd, u8 *eid,
enum ieee80211_op_mode opmode)
{
struct ieee80211_he_capabilities *cap;
struct hostapd_hw_modes *mode = hapd->iface->current_mode;
u8 he_oper_chwidth = ~HE_PHYCAP_CHANNEL_WIDTH_MASK;
u8 *pos = eid;
u8 ie_size = 0, mcs_nss_size = 0, ppet_size = 0;
if (!mode)
return eid;
ie_size = sizeof(struct ieee80211_he_capabilities);
ppet_size = ieee80211_he_ppet_size(mode->he_capab[opmode].ppet[0],
mode->he_capab[opmode].phy_cap);
switch (hapd->iface->conf->he_oper_chwidth) {
case CHANWIDTH_80P80MHZ:
he_oper_chwidth |=
HE_PHYCAP_CHANNEL_WIDTH_SET_80PLUS80MHZ_IN_5G;
mcs_nss_size += 4;
/* fall through */
case CHANWIDTH_160MHZ:
he_oper_chwidth |= HE_PHYCAP_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
mcs_nss_size += 4;
/* fall through */
case CHANWIDTH_80MHZ:
case CHANWIDTH_USE_HT:
he_oper_chwidth |= HE_PHYCAP_CHANNEL_WIDTH_SET_40MHZ_IN_2G |
HE_PHYCAP_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
mcs_nss_size += 4;
break;
}
ie_size += mcs_nss_size + ppet_size;
*pos++ = WLAN_EID_EXTENSION;
*pos++ = 1 + ie_size;
*pos++ = WLAN_EID_EXT_HE_CAPABILITIES;
cap = (struct ieee80211_he_capabilities *) pos;
os_memset(cap, 0, sizeof(*cap));
os_memcpy(cap->he_mac_capab_info, mode->he_capab[opmode].mac_cap,
HE_MAX_MAC_CAPAB_SIZE);
os_memcpy(cap->he_phy_capab_info, mode->he_capab[opmode].phy_cap,
HE_MAX_PHY_CAPAB_SIZE);
os_memcpy(cap->optional, mode->he_capab[opmode].mcs, mcs_nss_size);
if (ppet_size)
os_memcpy(&cap->optional[mcs_nss_size],
mode->he_capab[opmode].ppet, ppet_size);
if (hapd->iface->conf->he_phy_capab.he_su_beamformer)
cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMER_CAPAB_IDX] |=
HE_PHYCAP_SU_BEAMFORMER_CAPAB;
else
cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMER_CAPAB_IDX] &=
~HE_PHYCAP_SU_BEAMFORMER_CAPAB;
if (hapd->iface->conf->he_phy_capab.he_su_beamformee)
cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMEE_CAPAB_IDX] |=
HE_PHYCAP_SU_BEAMFORMEE_CAPAB;
else
cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMEE_CAPAB_IDX] &=
~HE_PHYCAP_SU_BEAMFORMEE_CAPAB;
if (hapd->iface->conf->he_phy_capab.he_mu_beamformer)
cap->he_phy_capab_info[HE_PHYCAP_MU_BEAMFORMER_CAPAB_IDX] |=
HE_PHYCAP_MU_BEAMFORMER_CAPAB;
else
cap->he_phy_capab_info[HE_PHYCAP_MU_BEAMFORMER_CAPAB_IDX] &=
~HE_PHYCAP_MU_BEAMFORMER_CAPAB;
cap->he_phy_capab_info[HE_PHYCAP_CHANNEL_WIDTH_SET_IDX] &=
he_oper_chwidth;
pos += ie_size;
return pos;
}
u8 * hostapd_eid_he_operation(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_he_operation *oper;
u8 *pos = eid;
int oper_size = 6;
u32 params = 0;
if (!hapd->iface->current_mode)
return eid;
*pos++ = WLAN_EID_EXTENSION;
*pos++ = 1 + oper_size;
*pos++ = WLAN_EID_EXT_HE_OPERATION;
oper = (struct ieee80211_he_operation *) pos;
os_memset(oper, 0, sizeof(*oper));
if (hapd->iface->conf->he_op.he_default_pe_duration)
params |= (hapd->iface->conf->he_op.he_default_pe_duration <<
HE_OPERATION_DFLT_PE_DURATION_OFFSET);
if (hapd->iface->conf->he_op.he_twt_required)
params |= HE_OPERATION_TWT_REQUIRED;
if (hapd->iface->conf->he_op.he_rts_threshold)
params |= (hapd->iface->conf->he_op.he_rts_threshold <<
HE_OPERATION_RTS_THRESHOLD_OFFSET);
if (hapd->iface->conf->he_op.he_bss_color)
params |= (hapd->iface->conf->he_op.he_bss_color <<
HE_OPERATION_BSS_COLOR_OFFSET);
/* HE minimum required basic MCS and NSS for STAs */
oper->he_mcs_nss_set =
host_to_le16(hapd->iface->conf->he_op.he_basic_mcs_nss_set);
/* TODO: conditional MaxBSSID Indicator subfield */
oper->he_oper_params = host_to_le32(params);
pos += oper_size;
return pos;
}
u8 * hostapd_eid_he_mu_edca_parameter_set(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_he_mu_edca_parameter_set *edca;
u8 *pos;
size_t i;
pos = (u8 *) &hapd->iface->conf->he_mu_edca;
for (i = 0; i < sizeof(*edca); i++) {
if (pos[i])
break;
}
if (i == sizeof(*edca))
return eid; /* no MU EDCA Parameters configured */
pos = eid;
*pos++ = WLAN_EID_EXTENSION;
*pos++ = 1 + sizeof(*edca);
*pos++ = WLAN_EID_EXT_HE_MU_EDCA_PARAMS;
edca = (struct ieee80211_he_mu_edca_parameter_set *) pos;
os_memcpy(edca, &hapd->iface->conf->he_mu_edca, sizeof(*edca));
wpa_hexdump(MSG_DEBUG, "HE: MU EDCA Parameter Set element",
pos, sizeof(*edca));
pos += sizeof(*edca);
return pos;
}
u8 * hostapd_eid_spatial_reuse(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_spatial_reuse *spr;
u8 *pos = eid, *spr_param;
u8 sz = 1;
if (!hapd->iface->conf->spr.sr_control)
return eid;
if (hapd->iface->conf->spr.sr_control &
SPATIAL_REUSE_NON_SRG_OFFSET_PRESENT)
sz++;
if (hapd->iface->conf->spr.sr_control &
SPATIAL_REUSE_SRG_INFORMATION_PRESENT)
sz += 18;
*pos++ = WLAN_EID_EXTENSION;
*pos++ = 1 + sz;
*pos++ = WLAN_EID_EXT_SPATIAL_REUSE;
spr = (struct ieee80211_spatial_reuse *) pos;
os_memset(spr, 0, sizeof(*spr));
spr->sr_ctrl = hapd->iface->conf->spr.sr_control;
pos++;
spr_param = spr->params;
if (spr->sr_ctrl & SPATIAL_REUSE_NON_SRG_OFFSET_PRESENT) {
*spr_param++ =
hapd->iface->conf->spr.non_srg_obss_pd_max_offset;
pos++;
}
if (spr->sr_ctrl & SPATIAL_REUSE_SRG_INFORMATION_PRESENT) {
*spr_param++ = hapd->iface->conf->spr.srg_obss_pd_min_offset;
*spr_param++ = hapd->iface->conf->spr.srg_obss_pd_max_offset;
pos += 18;
}
return pos;
}
void hostapd_get_he_capab(struct hostapd_data *hapd,
const struct ieee80211_he_capabilities *he_cap,
struct ieee80211_he_capabilities *neg_he_cap,
size_t he_capab_len)
{
if (!he_cap)
return;
if (he_capab_len > sizeof(*neg_he_cap))
he_capab_len = sizeof(*neg_he_cap);
/* TODO: mask out unsupported features */
os_memcpy(neg_he_cap, he_cap, he_capab_len);
}
static int check_valid_he_mcs(struct hostapd_data *hapd, const u8 *sta_he_capab,
enum ieee80211_op_mode opmode)
{
u16 sta_rx_mcs_set, ap_tx_mcs_set;
u8 mcs_count = 0;
const u16 *ap_mcs_set, *sta_mcs_set;
int i;
if (!hapd->iface->current_mode)
return 1;
ap_mcs_set = (u16 *) hapd->iface->current_mode->he_capab[opmode].mcs;
sta_mcs_set = (u16 *) ((const struct ieee80211_he_capabilities *)
sta_he_capab)->optional;
/*
* Disable HE capabilities for STAs for which there is not even a single
* allowed MCS in any supported number of streams, i.e., STA is
* advertising 3 (not supported) as HE MCS rates for all supported
* band/stream cases.
*/
switch (hapd->iface->conf->he_oper_chwidth) {
case CHANWIDTH_80P80MHZ:
mcs_count = 3;
break;
case CHANWIDTH_160MHZ:
mcs_count = 2;
break;
default:
mcs_count = 1;
break;
}
for (i = 0; i < mcs_count; i++) {
int j;
/* AP Tx MCS map vs. STA Rx MCS map */
sta_rx_mcs_set = WPA_GET_LE16((const u8 *) &sta_mcs_set[i * 2]);
ap_tx_mcs_set = WPA_GET_LE16((const u8 *)
&ap_mcs_set[(i * 2) + 1]);
for (j = 0; j < HE_NSS_MAX_STREAMS; j++) {
if (((ap_tx_mcs_set >> (j * 2)) & 0x3) == 3)
continue;
if (((sta_rx_mcs_set >> (j * 2)) & 0x3) == 3)
continue;
return 1;
}
}
wpa_printf(MSG_DEBUG,
"No matching HE MCS found between AP TX and STA RX");
return 0;
}
u16 copy_sta_he_capab(struct hostapd_data *hapd, struct sta_info *sta,
enum ieee80211_op_mode opmode, const u8 *he_capab,
size_t he_capab_len)
{
if (!he_capab || !hapd->iconf->ieee80211ax ||
!check_valid_he_mcs(hapd, he_capab, opmode) ||
he_capab_len > sizeof(struct ieee80211_he_capabilities)) {
sta->flags &= ~WLAN_STA_HE;
os_free(sta->he_capab);
sta->he_capab = NULL;
return WLAN_STATUS_SUCCESS;
}
if (!sta->he_capab) {
sta->he_capab =
os_zalloc(sizeof(struct ieee80211_he_capabilities));
if (!sta->he_capab)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
sta->flags |= WLAN_STA_HE;
os_memset(sta->he_capab, 0, sizeof(struct ieee80211_he_capabilities));
os_memcpy(sta->he_capab, he_capab, he_capab_len);
sta->he_capab_len = he_capab_len;
return WLAN_STATUS_SUCCESS;
}

557
hostapd-2.9/src/ap/ieee802_11_ht.c Normal file
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/*
* hostapd / IEEE 802.11n HT
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
* Copyright (c) 2007-2008, Intel Corporation
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
#include "hostapd.h"
#include "ap_config.h"
#include "sta_info.h"
#include "beacon.h"
#include "ieee802_11.h"
#include "hw_features.h"
#include "ap_drv_ops.h"
u8 * hostapd_eid_ht_capabilities(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_ht_capabilities *cap;
u8 *pos = eid;
if (!hapd->iconf->ieee80211n || !hapd->iface->current_mode ||
hapd->conf->disable_11n)
return eid;
*pos++ = WLAN_EID_HT_CAP;
*pos++ = sizeof(*cap);
cap = (struct ieee80211_ht_capabilities *) pos;
os_memset(cap, 0, sizeof(*cap));
cap->ht_capabilities_info = host_to_le16(hapd->iconf->ht_capab);
cap->a_mpdu_params = hapd->iface->current_mode->a_mpdu_params;
os_memcpy(cap->supported_mcs_set, hapd->iface->current_mode->mcs_set,
16);
/* TODO: ht_extended_capabilities (now fully disabled) */
/* TODO: tx_bf_capability_info (now fully disabled) */
/* TODO: asel_capabilities (now fully disabled) */
pos += sizeof(*cap);
if (hapd->iconf->obss_interval) {
struct ieee80211_obss_scan_parameters *scan_params;
*pos++ = WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS;
*pos++ = sizeof(*scan_params);
scan_params = (struct ieee80211_obss_scan_parameters *) pos;
os_memset(scan_params, 0, sizeof(*scan_params));
scan_params->width_trigger_scan_interval =
host_to_le16(hapd->iconf->obss_interval);
/* Fill in default values for remaining parameters
* (IEEE Std 802.11-2012, 8.4.2.61 and MIB defval) */
scan_params->scan_passive_dwell =
host_to_le16(20);
scan_params->scan_active_dwell =
host_to_le16(10);
scan_params->scan_passive_total_per_channel =
host_to_le16(200);
scan_params->scan_active_total_per_channel =
host_to_le16(20);
scan_params->channel_transition_delay_factor =
host_to_le16(5);
scan_params->scan_activity_threshold =
host_to_le16(25);
pos += sizeof(*scan_params);
}
return pos;
}
u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_ht_operation *oper;
u8 *pos = eid;
if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n)
return eid;
*pos++ = WLAN_EID_HT_OPERATION;
*pos++ = sizeof(*oper);
oper = (struct ieee80211_ht_operation *) pos;
os_memset(oper, 0, sizeof(*oper));
oper->primary_chan = hapd->iconf->channel;
oper->operation_mode = host_to_le16(hapd->iface->ht_op_mode);
if (hapd->iconf->secondary_channel == 1)
oper->ht_param |= HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE |
HT_INFO_HT_PARAM_STA_CHNL_WIDTH;
if (hapd->iconf->secondary_channel == -1)
oper->ht_param |= HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW |
HT_INFO_HT_PARAM_STA_CHNL_WIDTH;
pos += sizeof(*oper);
return pos;
}
u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid)
{
u8 sec_ch;
if (!hapd->cs_freq_params.channel ||
!hapd->cs_freq_params.sec_channel_offset)
return eid;
if (hapd->cs_freq_params.sec_channel_offset == -1)
sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW;
else if (hapd->cs_freq_params.sec_channel_offset == 1)
sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE;
else
return eid;
*eid++ = WLAN_EID_SECONDARY_CHANNEL_OFFSET;
*eid++ = 1;
*eid++ = sec_ch;
return eid;
}
/*
op_mode
Set to 0 (HT pure) under the followign conditions
- all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
- all STAs in the BSS are 20 MHz HT in 20 MHz BSS
Set to 1 (HT non-member protection) if there may be non-HT STAs
in both the primary and the secondary channel
Set to 2 if only HT STAs are associated in BSS,
however and at least one 20 MHz HT STA is associated
Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
*/
int hostapd_ht_operation_update(struct hostapd_iface *iface)
{
u16 cur_op_mode, new_op_mode;
int op_mode_changes = 0;
if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed)
return 0;
wpa_printf(MSG_DEBUG, "%s current operation mode=0x%X",
__func__, iface->ht_op_mode);
if (!(iface->ht_op_mode & HT_OPER_OP_MODE_NON_GF_HT_STAS_PRESENT)
&& iface->num_sta_ht_no_gf) {
iface->ht_op_mode |= HT_OPER_OP_MODE_NON_GF_HT_STAS_PRESENT;
op_mode_changes++;
} else if ((iface->ht_op_mode &
HT_OPER_OP_MODE_NON_GF_HT_STAS_PRESENT) &&
iface->num_sta_ht_no_gf == 0) {
iface->ht_op_mode &= ~HT_OPER_OP_MODE_NON_GF_HT_STAS_PRESENT;
op_mode_changes++;
}
if (!(iface->ht_op_mode & HT_OPER_OP_MODE_OBSS_NON_HT_STAS_PRESENT) &&
(iface->num_sta_no_ht || iface->olbc_ht)) {
iface->ht_op_mode |= HT_OPER_OP_MODE_OBSS_NON_HT_STAS_PRESENT;
op_mode_changes++;
} else if ((iface->ht_op_mode &
HT_OPER_OP_MODE_OBSS_NON_HT_STAS_PRESENT) &&
(iface->num_sta_no_ht == 0 && !iface->olbc_ht)) {
iface->ht_op_mode &= ~HT_OPER_OP_MODE_OBSS_NON_HT_STAS_PRESENT;
op_mode_changes++;
}
if (iface->num_sta_no_ht)
new_op_mode = HT_PROT_NON_HT_MIXED;
else if (iface->conf->secondary_channel && iface->num_sta_ht_20mhz)
new_op_mode = HT_PROT_20MHZ_PROTECTION;
else if (iface->olbc_ht)
new_op_mode = HT_PROT_NONMEMBER_PROTECTION;
else
new_op_mode = HT_PROT_NO_PROTECTION;
cur_op_mode = iface->ht_op_mode & HT_OPER_OP_MODE_HT_PROT_MASK;
if (cur_op_mode != new_op_mode) {
iface->ht_op_mode &= ~HT_OPER_OP_MODE_HT_PROT_MASK;
iface->ht_op_mode |= new_op_mode;
op_mode_changes++;
}
wpa_printf(MSG_DEBUG, "%s new operation mode=0x%X changes=%d",
__func__, iface->ht_op_mode, op_mode_changes);
return op_mode_changes;
}
static int is_40_allowed(struct hostapd_iface *iface, int channel)
{
int pri_freq, sec_freq;
int affected_start, affected_end;
int pri = 2407 + 5 * channel;
if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
return 1;
pri_freq = hostapd_hw_get_freq(iface->bss[0], iface->conf->channel);
if (iface->conf->secondary_channel > 0)
sec_freq = pri_freq + 20;
else
sec_freq = pri_freq - 20;
affected_start = (pri_freq + sec_freq) / 2 - 25;
affected_end = (pri_freq + sec_freq) / 2 + 25;
if ((pri < affected_start || pri > affected_end))
return 1; /* not within affected channel range */
wpa_printf(MSG_ERROR, "40 MHz affected channel range: [%d,%d] MHz",
affected_start, affected_end);
wpa_printf(MSG_ERROR, "Neighboring BSS: freq=%d", pri);
return 0;
}
void hostapd_2040_coex_action(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len)
{
struct hostapd_iface *iface = hapd->iface;
struct ieee80211_2040_bss_coex_ie *bc_ie;
struct ieee80211_2040_intol_chan_report *ic_report;
int is_ht40_allowed = 1;
int i;
const u8 *start = (const u8 *) mgmt;
const u8 *data = start + IEEE80211_HDRLEN + 2;
struct sta_info *sta;
wpa_printf(MSG_DEBUG,
"HT: Received 20/40 BSS Coexistence Management frame from "
MACSTR, MAC2STR(mgmt->sa));
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG, "hostapd_public_action - action=%d",
mgmt->u.action.u.public_action.action);
if (!(iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
wpa_printf(MSG_DEBUG,
"Ignore 20/40 BSS Coexistence Management frame since 40 MHz capability is not enabled");
return;
}
if (len < IEEE80211_HDRLEN + 2 + sizeof(*bc_ie)) {
wpa_printf(MSG_DEBUG,
"Ignore too short 20/40 BSS Coexistence Management frame");
return;
}
/* 20/40 BSS Coexistence element */
bc_ie = (struct ieee80211_2040_bss_coex_ie *) data;
if (bc_ie->element_id != WLAN_EID_20_40_BSS_COEXISTENCE ||
bc_ie->length < 1) {
wpa_printf(MSG_DEBUG, "Unexpected IE (%u,%u) in coex report",
bc_ie->element_id, bc_ie->length);
return;
}
if (len < IEEE80211_HDRLEN + 2 + 2 + bc_ie->length) {
wpa_printf(MSG_DEBUG,
"Truncated 20/40 BSS Coexistence element");
return;
}
data += 2 + bc_ie->length;
wpa_printf(MSG_DEBUG,
"20/40 BSS Coexistence Information field: 0x%x (%s%s%s%s%s%s)",
bc_ie->coex_param,
(bc_ie->coex_param & BIT(0)) ? "[InfoReq]" : "",
(bc_ie->coex_param & BIT(1)) ? "[40MHzIntolerant]" : "",
(bc_ie->coex_param & BIT(2)) ? "[20MHzBSSWidthReq]" : "",
(bc_ie->coex_param & BIT(3)) ? "[OBSSScanExemptionReq]" : "",
(bc_ie->coex_param & BIT(4)) ?
"[OBSSScanExemptionGrant]" : "",
(bc_ie->coex_param & (BIT(5) | BIT(6) | BIT(7))) ?
"[Reserved]" : "");
if (bc_ie->coex_param & WLAN_20_40_BSS_COEX_20MHZ_WIDTH_REQ) {
/* Intra-BSS communication prohibiting 20/40 MHz BSS operation
*/
sta = ap_get_sta(hapd, mgmt->sa);
if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
wpa_printf(MSG_DEBUG,
"Ignore intra-BSS 20/40 BSS Coexistence Management frame from not-associated STA");
return;
}
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"20 MHz BSS width request bit is set in BSS coexistence information field");
is_ht40_allowed = 0;
}
if (bc_ie->coex_param & WLAN_20_40_BSS_COEX_40MHZ_INTOL) {
/* Inter-BSS communication prohibiting 20/40 MHz BSS operation
*/
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"40 MHz intolerant bit is set in BSS coexistence information field");
is_ht40_allowed = 0;
}
/* 20/40 BSS Intolerant Channel Report element (zero or more times) */
while (start + len - data >= 3 &&
data[0] == WLAN_EID_20_40_BSS_INTOLERANT && data[1] >= 1) {
u8 ielen = data[1];
if (ielen > start + len - data - 2) {
wpa_printf(MSG_DEBUG,
"Truncated 20/40 BSS Intolerant Channel Report element");
return;
}
ic_report = (struct ieee80211_2040_intol_chan_report *) data;
wpa_printf(MSG_DEBUG,
"20/40 BSS Intolerant Channel Report: Operating Class %u",
ic_report->op_class);
/* Go through the channel report to find any BSS there in the
* affected channel range */
for (i = 0; i < ielen - 1; i++) {
u8 chan = ic_report->variable[i];
if (chan == iface->conf->channel)
continue; /* matching own primary channel */
if (is_40_allowed(iface, chan))
continue; /* not within affected channels */
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"20_40_INTOLERANT channel %d reported",
chan);
is_ht40_allowed = 0;
}
data += 2 + ielen;
}
wpa_printf(MSG_DEBUG, "is_ht40_allowed=%d num_sta_ht40_intolerant=%d",
is_ht40_allowed, iface->num_sta_ht40_intolerant);
if (!is_ht40_allowed &&
(iface->drv_flags & WPA_DRIVER_FLAGS_HT_2040_COEX)) {
if (iface->conf->secondary_channel) {
hostapd_logger(hapd, mgmt->sa,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO,
"Switching to 20 MHz operation");
iface->conf->secondary_channel = 0;
ieee802_11_set_beacons(iface);
}
if (!iface->num_sta_ht40_intolerant &&
iface->conf->obss_interval) {
unsigned int delay_time;
delay_time = OVERLAPPING_BSS_TRANS_DELAY_FACTOR *
iface->conf->obss_interval;
eloop_cancel_timeout(ap_ht2040_timeout, hapd->iface,
NULL);
eloop_register_timeout(delay_time, 0, ap_ht2040_timeout,
hapd->iface, NULL);
wpa_printf(MSG_DEBUG,
"Reschedule HT 20/40 timeout to occur in %u seconds",
delay_time);
}
}
}
u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *ht_capab)
{
/*
* Disable HT caps for STAs associated to no-HT BSSes, or for stations
* that did not specify a valid WMM IE in the (Re)Association Request
* frame.
*/
if (!ht_capab || !(sta->flags & WLAN_STA_WMM) ||
!hapd->iconf->ieee80211n || hapd->conf->disable_11n) {
sta->flags &= ~WLAN_STA_HT;
os_free(sta->ht_capabilities);
sta->ht_capabilities = NULL;
return WLAN_STATUS_SUCCESS;
}
if (sta->ht_capabilities == NULL) {
sta->ht_capabilities =
os_zalloc(sizeof(struct ieee80211_ht_capabilities));
if (sta->ht_capabilities == NULL)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
sta->flags |= WLAN_STA_HT;
os_memcpy(sta->ht_capabilities, ht_capab,
sizeof(struct ieee80211_ht_capabilities));
return WLAN_STATUS_SUCCESS;
}
void ht40_intolerant_add(struct hostapd_iface *iface, struct sta_info *sta)
{
if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
return;
wpa_printf(MSG_INFO, "HT: Forty MHz Intolerant is set by STA " MACSTR
" in Association Request", MAC2STR(sta->addr));
if (sta->ht40_intolerant_set)
return;
sta->ht40_intolerant_set = 1;
iface->num_sta_ht40_intolerant++;
eloop_cancel_timeout(ap_ht2040_timeout, iface, NULL);
if (iface->conf->secondary_channel &&
(iface->drv_flags & WPA_DRIVER_FLAGS_HT_2040_COEX)) {
iface->conf->secondary_channel = 0;
ieee802_11_set_beacons(iface);
}
}
void ht40_intolerant_remove(struct hostapd_iface *iface, struct sta_info *sta)
{
if (!sta->ht40_intolerant_set)
return;
sta->ht40_intolerant_set = 0;
iface->num_sta_ht40_intolerant--;
if (iface->num_sta_ht40_intolerant == 0 &&
(iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
(iface->drv_flags & WPA_DRIVER_FLAGS_HT_2040_COEX)) {
unsigned int delay_time = OVERLAPPING_BSS_TRANS_DELAY_FACTOR *
iface->conf->obss_interval;
wpa_printf(MSG_DEBUG,
"HT: Start 20->40 MHz transition timer (%d seconds)",
delay_time);
eloop_cancel_timeout(ap_ht2040_timeout, iface, NULL);
eloop_register_timeout(delay_time, 0, ap_ht2040_timeout,
iface, NULL);
}
}
static void update_sta_ht(struct hostapd_data *hapd, struct sta_info *sta)
{
u16 ht_capab;
ht_capab = le_to_host16(sta->ht_capabilities->ht_capabilities_info);
wpa_printf(MSG_DEBUG, "HT: STA " MACSTR " HT Capabilities Info: "
"0x%04x", MAC2STR(sta->addr), ht_capab);
if ((ht_capab & HT_CAP_INFO_GREEN_FIELD) == 0) {
if (!sta->no_ht_gf_set) {
sta->no_ht_gf_set = 1;
hapd->iface->num_sta_ht_no_gf++;
}
wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - no greenfield, num "
"of non-gf stations %d",
__func__, MAC2STR(sta->addr),
hapd->iface->num_sta_ht_no_gf);
}
if ((ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) == 0) {
if (!sta->ht_20mhz_set) {
sta->ht_20mhz_set = 1;
hapd->iface->num_sta_ht_20mhz++;
}
wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - 20 MHz HT, num of "
"20MHz HT STAs %d",
__func__, MAC2STR(sta->addr),
hapd->iface->num_sta_ht_20mhz);
}
if (ht_capab & HT_CAP_INFO_40MHZ_INTOLERANT)
ht40_intolerant_add(hapd->iface, sta);
}
static void update_sta_no_ht(struct hostapd_data *hapd, struct sta_info *sta)
{
if (!sta->no_ht_set) {
sta->no_ht_set = 1;
hapd->iface->num_sta_no_ht++;
}
if (hapd->iconf->ieee80211n) {
wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - no HT, num of "
"non-HT stations %d",
__func__, MAC2STR(sta->addr),
hapd->iface->num_sta_no_ht);
}
}
void update_ht_state(struct hostapd_data *hapd, struct sta_info *sta)
{
if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities)
update_sta_ht(hapd, sta);
else
update_sta_no_ht(hapd, sta);
if (hostapd_ht_operation_update(hapd->iface) > 0)
ieee802_11_set_beacons(hapd->iface);
}
void hostapd_get_ht_capab(struct hostapd_data *hapd,
struct ieee80211_ht_capabilities *ht_cap,
struct ieee80211_ht_capabilities *neg_ht_cap)
{
u16 cap;
if (ht_cap == NULL)
return;
os_memcpy(neg_ht_cap, ht_cap, sizeof(*neg_ht_cap));
cap = le_to_host16(neg_ht_cap->ht_capabilities_info);
/*
* Mask out HT features we don't support, but don't overwrite
* non-symmetric features like STBC and SMPS. Just because
* we're not in dynamic SMPS mode the STA might still be.
*/
cap &= (hapd->iconf->ht_capab | HT_CAP_INFO_RX_STBC_MASK |
HT_CAP_INFO_TX_STBC | HT_CAP_INFO_SMPS_MASK);
/*
* STBC needs to be handled specially
* if we don't support RX STBC, mask out TX STBC in the STA's HT caps
* if we don't support TX STBC, mask out RX STBC in the STA's HT caps
*/
if (!(hapd->iconf->ht_capab & HT_CAP_INFO_RX_STBC_MASK))
cap &= ~HT_CAP_INFO_TX_STBC;
if (!(hapd->iconf->ht_capab & HT_CAP_INFO_TX_STBC))
cap &= ~HT_CAP_INFO_RX_STBC_MASK;
neg_ht_cap->ht_capabilities_info = host_to_le16(cap);
}
void ap_ht2040_timeout(void *eloop_data, void *user_data)
{
struct hostapd_iface *iface = eloop_data;
wpa_printf(MSG_INFO, "Switching to 40 MHz operation");
iface->conf->secondary_channel = iface->secondary_ch;
ieee802_11_set_beacons(iface);
}

1002
hostapd-2.9/src/ap/ieee802_11_shared.c Normal file
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517
hostapd-2.9/src/ap/ieee802_11_vht.c Normal file
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/*
* hostapd / IEEE 802.11ac VHT
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of BSD license
*
* See README and COPYING for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "hostapd.h"
#include "ap_config.h"
#include "sta_info.h"
#include "beacon.h"
#include "ieee802_11.h"
#include "dfs.h"
u8 * hostapd_eid_vht_capabilities(struct hostapd_data *hapd, u8 *eid, u32 nsts)
{
struct ieee80211_vht_capabilities *cap;
struct hostapd_hw_modes *mode = hapd->iface->current_mode;
u8 *pos = eid;
if (!mode)
return eid;
if (mode->mode == HOSTAPD_MODE_IEEE80211G && hapd->conf->vendor_vht &&
mode->vht_capab == 0 && hapd->iface->hw_features) {
int i;
for (i = 0; i < hapd->iface->num_hw_features; i++) {
if (hapd->iface->hw_features[i].mode ==
HOSTAPD_MODE_IEEE80211A) {
mode = &hapd->iface->hw_features[i];
break;
}
}
}
*pos++ = WLAN_EID_VHT_CAP;
*pos++ = sizeof(*cap);
cap = (struct ieee80211_vht_capabilities *) pos;
os_memset(cap, 0, sizeof(*cap));
cap->vht_capabilities_info = host_to_le32(
hapd->iface->conf->vht_capab);
if (nsts != 0) {
u32 hapd_nsts;
hapd_nsts = le_to_host32(cap->vht_capabilities_info);
hapd_nsts = (hapd_nsts >> VHT_CAP_BEAMFORMEE_STS_OFFSET) & 7;
cap->vht_capabilities_info &=
~(host_to_le32(hapd_nsts <<
VHT_CAP_BEAMFORMEE_STS_OFFSET));
cap->vht_capabilities_info |=
host_to_le32(nsts << VHT_CAP_BEAMFORMEE_STS_OFFSET);
}
/* Supported MCS set comes from hw */
os_memcpy(&cap->vht_supported_mcs_set, mode->vht_mcs_set, 8);
pos += sizeof(*cap);
return pos;
}
u8 * hostapd_eid_vht_operation(struct hostapd_data *hapd, u8 *eid)
{
struct ieee80211_vht_operation *oper;
u8 *pos = eid;
*pos++ = WLAN_EID_VHT_OPERATION;
*pos++ = sizeof(*oper);
oper = (struct ieee80211_vht_operation *) pos;
os_memset(oper, 0, sizeof(*oper));
/*
* center freq = 5 GHz + (5 * index)
* So index 42 gives center freq 5.210 GHz
* which is channel 42 in 5G band
*/
oper->vht_op_info_chan_center_freq_seg0_idx =
hapd->iconf->vht_oper_centr_freq_seg0_idx;
oper->vht_op_info_chan_center_freq_seg1_idx =
hapd->iconf->vht_oper_centr_freq_seg1_idx;
oper->vht_op_info_chwidth = hapd->iconf->vht_oper_chwidth;
if (hapd->iconf->vht_oper_chwidth == 2) {
/*
* Convert 160 MHz channel width to new style as interop
* workaround.
*/
oper->vht_op_info_chwidth = 1;
oper->vht_op_info_chan_center_freq_seg1_idx =
oper->vht_op_info_chan_center_freq_seg0_idx;
if (hapd->iconf->channel <
hapd->iconf->vht_oper_centr_freq_seg0_idx)
oper->vht_op_info_chan_center_freq_seg0_idx -= 8;
else
oper->vht_op_info_chan_center_freq_seg0_idx += 8;
} else if (hapd->iconf->vht_oper_chwidth == 3) {
/*
* Convert 80+80 MHz channel width to new style as interop
* workaround.
*/
oper->vht_op_info_chwidth = 1;
}
/* VHT Basic MCS set comes from hw */
/* Hard code 1 stream, MCS0-7 is a min Basic VHT MCS rates */
oper->vht_basic_mcs_set = host_to_le16(0xfffc);
pos += sizeof(*oper);
return pos;
}
static int check_valid_vht_mcs(struct hostapd_hw_modes *mode,
const u8 *sta_vht_capab)
{
const struct ieee80211_vht_capabilities *vht_cap;
struct ieee80211_vht_capabilities ap_vht_cap;
u16 sta_rx_mcs_set, ap_tx_mcs_set;
int i;
if (!mode)
return 1;
/*
* Disable VHT caps for STAs for which there is not even a single
* allowed MCS in any supported number of streams, i.e., STA is
* advertising 3 (not supported) as VHT MCS rates for all supported
* stream cases.
*/
os_memcpy(&ap_vht_cap.vht_supported_mcs_set, mode->vht_mcs_set,
sizeof(ap_vht_cap.vht_supported_mcs_set));
vht_cap = (const struct ieee80211_vht_capabilities *) sta_vht_capab;
/* AP Tx MCS map vs. STA Rx MCS map */
sta_rx_mcs_set = le_to_host16(vht_cap->vht_supported_mcs_set.rx_map);
ap_tx_mcs_set = le_to_host16(ap_vht_cap.vht_supported_mcs_set.tx_map);
for (i = 0; i < VHT_RX_NSS_MAX_STREAMS; i++) {
if ((ap_tx_mcs_set & (0x3 << (i * 2))) == 3)
continue;
if ((sta_rx_mcs_set & (0x3 << (i * 2))) == 3)
continue;
return 1;
}
wpa_printf(MSG_DEBUG,
"No matching VHT MCS found between AP TX and STA RX");
return 0;
}
u8 * hostapd_eid_wb_chsw_wrapper(struct hostapd_data *hapd, u8 *eid)
{
u8 bw, chan1, chan2 = 0;
int freq1;
if (!hapd->cs_freq_params.channel ||
!hapd->cs_freq_params.vht_enabled)
return eid;
/* bandwidth: 0: 40, 1: 80, 2: 160, 3: 80+80 */
switch (hapd->cs_freq_params.bandwidth) {
case 40:
bw = 0;
break;
case 80:
/* check if it's 80+80 */
if (!hapd->cs_freq_params.center_freq2)
bw = 1;
else
bw = 3;
break;
case 160:
bw = 2;
break;
default:
/* not valid VHT bandwidth or not in CSA */
return eid;
}
freq1 = hapd->cs_freq_params.center_freq1 ?
hapd->cs_freq_params.center_freq1 :
hapd->cs_freq_params.freq;
if (ieee80211_freq_to_chan(freq1, &chan1) !=
HOSTAPD_MODE_IEEE80211A)
return eid;
if (hapd->cs_freq_params.center_freq2 &&
ieee80211_freq_to_chan(hapd->cs_freq_params.center_freq2,
&chan2) != HOSTAPD_MODE_IEEE80211A)
return eid;
*eid++ = WLAN_EID_VHT_CHANNEL_SWITCH_WRAPPER;
*eid++ = 5; /* Length of Channel Switch Wrapper */
*eid++ = WLAN_EID_VHT_WIDE_BW_CHSWITCH;
*eid++ = 3; /* Length of Wide Bandwidth Channel Switch element */
*eid++ = bw; /* New Channel Width */
*eid++ = chan1; /* New Channel Center Frequency Segment 0 */
*eid++ = chan2; /* New Channel Center Frequency Segment 1 */
return eid;
}
u8 * hostapd_eid_txpower_envelope(struct hostapd_data *hapd, u8 *eid)
{
struct hostapd_iface *iface = hapd->iface;
struct hostapd_config *iconf = iface->conf;
struct hostapd_hw_modes *mode = iface->current_mode;
struct hostapd_channel_data *chan;
int dfs, i;
u8 channel, tx_pwr_count, local_pwr_constraint;
int max_tx_power;
u8 tx_pwr;
if (!mode)
return eid;
if (ieee80211_freq_to_chan(iface->freq, &channel) == NUM_HOSTAPD_MODES)
return eid;
for (i = 0; i < mode->num_channels; i++) {
if (mode->channels[i].freq == iface->freq)
break;
}
if (i == mode->num_channels)
return eid;
switch (iface->conf->vht_oper_chwidth) {
case CHANWIDTH_USE_HT:
if (iconf->secondary_channel == 0) {
/* Max Transmit Power count = 0 (20 MHz) */
tx_pwr_count = 0;
} else {
/* Max Transmit Power count = 1 (20, 40 MHz) */
tx_pwr_count = 1;
}
break;
case CHANWIDTH_80MHZ:
/* Max Transmit Power count = 2 (20, 40, and 80 MHz) */
tx_pwr_count = 2;
break;
case CHANWIDTH_80P80MHZ:
case CHANWIDTH_160MHZ:
/* Max Transmit Power count = 3 (20, 40, 80, 160/80+80 MHz) */
tx_pwr_count = 3;
break;
default:
return eid;
}
/*
* Below local_pwr_constraint logic is referred from
* hostapd_eid_pwr_constraint.
*
* Check if DFS is required by regulatory.
*/
dfs = hostapd_is_dfs_required(hapd->iface);
if (dfs < 0)
dfs = 0;
/*
* In order to meet regulations when TPC is not implemented using
* a transmit power that is below the legal maximum (including any
* mitigation factor) should help. In this case, indicate 3 dB below
* maximum allowed transmit power.
*/
if (hapd->iconf->local_pwr_constraint == -1)
local_pwr_constraint = (dfs == 0) ? 0 : 3;
else
local_pwr_constraint = hapd->iconf->local_pwr_constraint;
/*
* A STA that is not an AP shall use a transmit power less than or
* equal to the local maximum transmit power level for the channel.
* The local maximum transmit power can be calculated from the formula:
* local max TX pwr = max TX pwr - local pwr constraint
* Where max TX pwr is maximum transmit power level specified for
* channel in Country element and local pwr constraint is specified
* for channel in this Power Constraint element.
*/
chan = &mode->channels[i];
max_tx_power = chan->max_tx_power - local_pwr_constraint;
/*
* Local Maximum Transmit power is encoded as two's complement
* with a 0.5 dB step.
*/
max_tx_power *= 2; /* in 0.5 dB steps */
if (max_tx_power > 127) {
/* 63.5 has special meaning of 63.5 dBm or higher */
max_tx_power = 127;
}
if (max_tx_power < -128)
max_tx_power = -128;
if (max_tx_power < 0)
tx_pwr = 0x80 + max_tx_power + 128;
else
tx_pwr = max_tx_power;
*eid++ = WLAN_EID_VHT_TRANSMIT_POWER_ENVELOPE;
*eid++ = 2 + tx_pwr_count;
/*
* Max Transmit Power count and
* Max Transmit Power units = 0 (EIRP)
*/
*eid++ = tx_pwr_count;
for (i = 0; i <= tx_pwr_count; i++)
*eid++ = tx_pwr;
return eid;
}
u16 copy_sta_vht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_capab)
{
/* Disable VHT caps for STAs associated to no-VHT BSSes. */
if (!vht_capab ||
!hapd->iconf->ieee80211ac || hapd->conf->disable_11ac ||
!check_valid_vht_mcs(hapd->iface->current_mode, vht_capab)) {
sta->flags &= ~WLAN_STA_VHT;
os_free(sta->vht_capabilities);
sta->vht_capabilities = NULL;
return WLAN_STATUS_SUCCESS;
}
if (sta->vht_capabilities == NULL) {
sta->vht_capabilities =
os_zalloc(sizeof(struct ieee80211_vht_capabilities));
if (sta->vht_capabilities == NULL)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
sta->flags |= WLAN_STA_VHT;
os_memcpy(sta->vht_capabilities, vht_capab,
sizeof(struct ieee80211_vht_capabilities));
return WLAN_STATUS_SUCCESS;
}
u16 copy_sta_vht_oper(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_oper)
{
if (!vht_oper) {
os_free(sta->vht_operation);
sta->vht_operation = NULL;
return WLAN_STATUS_SUCCESS;
}
if (!sta->vht_operation) {
sta->vht_operation =
os_zalloc(sizeof(struct ieee80211_vht_operation));
if (!sta->vht_operation)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
os_memcpy(sta->vht_operation, vht_oper,
sizeof(struct ieee80211_vht_operation));
return WLAN_STATUS_SUCCESS;
}
u16 copy_sta_vendor_vht(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *ie, size_t len)
{
const u8 *vht_capab;
unsigned int vht_capab_len;
if (!ie || len < 5 + 2 + sizeof(struct ieee80211_vht_capabilities) ||
hapd->conf->disable_11ac)
goto no_capab;
/* The VHT Capabilities element embedded in vendor VHT */
vht_capab = ie + 5;
if (vht_capab[0] != WLAN_EID_VHT_CAP)
goto no_capab;
vht_capab_len = vht_capab[1];
if (vht_capab_len < sizeof(struct ieee80211_vht_capabilities) ||
(int) vht_capab_len > ie + len - vht_capab - 2)
goto no_capab;
vht_capab += 2;
if (sta->vht_capabilities == NULL) {
sta->vht_capabilities =
os_zalloc(sizeof(struct ieee80211_vht_capabilities));
if (sta->vht_capabilities == NULL)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
sta->flags |= WLAN_STA_VHT | WLAN_STA_VENDOR_VHT;
os_memcpy(sta->vht_capabilities, vht_capab,
sizeof(struct ieee80211_vht_capabilities));
return WLAN_STATUS_SUCCESS;
no_capab:
sta->flags &= ~WLAN_STA_VENDOR_VHT;
return WLAN_STATUS_SUCCESS;
}
u8 * hostapd_eid_vendor_vht(struct hostapd_data *hapd, u8 *eid)
{
u8 *pos = eid;
if (!hapd->iface->current_mode)
return eid;
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = (5 + /* The Vendor OUI, type and subtype */
2 + sizeof(struct ieee80211_vht_capabilities) +
2 + sizeof(struct ieee80211_vht_operation));
WPA_PUT_BE32(pos, (OUI_BROADCOM << 8) | VENDOR_VHT_TYPE);
pos += 4;
*pos++ = VENDOR_VHT_SUBTYPE;
pos = hostapd_eid_vht_capabilities(hapd, pos, 0);
pos = hostapd_eid_vht_operation(hapd, pos);
return pos;
}
u16 set_sta_vht_opmode(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_oper_notif)
{
if (!vht_oper_notif) {
sta->flags &= ~WLAN_STA_VHT_OPMODE_ENABLED;
return WLAN_STATUS_SUCCESS;
}
sta->flags |= WLAN_STA_VHT_OPMODE_ENABLED;
sta->vht_opmode = *vht_oper_notif;
return WLAN_STATUS_SUCCESS;
}
void hostapd_get_vht_capab(struct hostapd_data *hapd,
struct ieee80211_vht_capabilities *vht_cap,
struct ieee80211_vht_capabilities *neg_vht_cap)
{
u32 cap, own_cap, sym_caps;
if (vht_cap == NULL)
return;
os_memcpy(neg_vht_cap, vht_cap, sizeof(*neg_vht_cap));
cap = le_to_host32(neg_vht_cap->vht_capabilities_info);
own_cap = hapd->iconf->vht_capab;
/* mask out symmetric VHT capabilities we don't support */
sym_caps = VHT_CAP_SHORT_GI_80 | VHT_CAP_SHORT_GI_160;
cap &= ~sym_caps | (own_cap & sym_caps);
/* mask out beamformer/beamformee caps if not supported */
if (!(own_cap & VHT_CAP_SU_BEAMFORMER_CAPABLE))
cap &= ~(VHT_CAP_SU_BEAMFORMEE_CAPABLE |
VHT_CAP_BEAMFORMEE_STS_MAX);
if (!(own_cap & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
cap &= ~(VHT_CAP_SU_BEAMFORMER_CAPABLE |
VHT_CAP_SOUNDING_DIMENSION_MAX);
if (!(own_cap & VHT_CAP_MU_BEAMFORMER_CAPABLE))
cap &= ~VHT_CAP_MU_BEAMFORMEE_CAPABLE;
if (!(own_cap & VHT_CAP_MU_BEAMFORMEE_CAPABLE))
cap &= ~VHT_CAP_MU_BEAMFORMER_CAPABLE;
/* mask channel widths we don't support */
switch (own_cap & VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
case VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
break;
case VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
if (cap & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) {
cap &= ~VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
cap |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
}
break;
default:
cap &= ~VHT_CAP_SUPP_CHAN_WIDTH_MASK;
break;
}
if (!(cap & VHT_CAP_SUPP_CHAN_WIDTH_MASK))
cap &= ~VHT_CAP_SHORT_GI_160;
/*
* if we don't support RX STBC, mask out TX STBC in the STA's HT caps
* if we don't support TX STBC, mask out RX STBC in the STA's HT caps
*/
if (!(own_cap & VHT_CAP_RXSTBC_MASK))
cap &= ~VHT_CAP_TXSTBC;
if (!(own_cap & VHT_CAP_TXSTBC))
cap &= ~VHT_CAP_RXSTBC_MASK;
neg_vht_cap->vht_capabilities_info = host_to_le32(cap);
}

2997
hostapd-2.9/src/ap/ieee802_1x.c Normal file
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70
hostapd-2.9/src/ap/ieee802_1x.h Normal file
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@ -0,0 +1,70 @@
/*
* hostapd / IEEE 802.1X-2004 Authenticator
* Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef IEEE802_1X_H
#define IEEE802_1X_H
struct hostapd_data;
struct sta_info;
struct eapol_state_machine;
struct hostapd_config;
struct hostapd_bss_config;
struct hostapd_radius_attr;
struct radius_msg;
void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
size_t len);
void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta);
void ieee802_1x_free_station(struct hostapd_data *hapd, struct sta_info *sta);
void ieee802_1x_abort_auth(struct hostapd_data *hapd, struct sta_info *sta);
void ieee802_1x_set_sta_authorized(struct hostapd_data *hapd,
struct sta_info *sta, int authorized);
void ieee802_1x_dump_state(FILE *f, const char *prefix, struct sta_info *sta);
int ieee802_1x_init(struct hostapd_data *hapd);
void ieee802_1x_erp_flush(struct hostapd_data *hapd);
void ieee802_1x_deinit(struct hostapd_data *hapd);
int ieee802_1x_tx_status(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *buf, size_t len, int ack);
int ieee802_1x_eapol_tx_status(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *data, int len, int ack);
u8 * ieee802_1x_get_identity(struct eapol_state_machine *sm, size_t *len);
u8 * ieee802_1x_get_radius_class(struct eapol_state_machine *sm, size_t *len,
int idx);
struct wpabuf * ieee802_1x_get_radius_cui(struct eapol_state_machine *sm);
const u8 * ieee802_1x_get_key(struct eapol_state_machine *sm, size_t *len);
const u8 * ieee802_1x_get_session_id(struct eapol_state_machine *sm,
size_t *len);
void ieee802_1x_notify_port_enabled(struct eapol_state_machine *sm,
int enabled);
void ieee802_1x_notify_port_valid(struct eapol_state_machine *sm,
int valid);
void ieee802_1x_notify_pre_auth(struct eapol_state_machine *sm, int pre_auth);
int ieee802_1x_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen);
int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
char *buf, size_t buflen);
void hostapd_get_ntp_timestamp(u8 *buf);
char *eap_type_text(u8 type);
const char *radius_mode_txt(struct hostapd_data *hapd);
int radius_sta_rate(struct hostapd_data *hapd, struct sta_info *sta);
int add_common_radius_attr(struct hostapd_data *hapd,
struct hostapd_radius_attr *req_attr,
struct sta_info *sta,
struct radius_msg *msg);
int add_sqlite_radius_attr(struct hostapd_data *hapd, struct sta_info *sta,
struct radius_msg *msg, int acct);
void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd,
struct sta_info *sta,
const u8 *eap, size_t len);
struct eapol_state_machine *
ieee802_1x_alloc_eapol_sm(struct hostapd_data *hapd, struct sta_info *sta);
#endif /* IEEE802_1X_H */

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