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rtl8188eu: Add hostapd and configurationb file
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
This commit is contained in:
Larry Finger
parent
7638be5ee7
commit
e275d5ba1f
477 changed files with 220879 additions and 0 deletions
434
hostapd-0.8/src/eap_peer/eap_tnc.c
Normal file
434
hostapd-0.8/src/eap_peer/eap_tnc.c
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@ -0,0 +1,434 @@
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/*
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* EAP peer method: EAP-TNC (Trusted Network Connect)
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* Copyright (c) 2007, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "base64.h"
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#include "eap_i.h"
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#include "tncc.h"
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struct eap_tnc_data {
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enum { WAIT_START, PROC_MSG, WAIT_FRAG_ACK, DONE, FAIL } state;
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struct tncc_data *tncc;
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struct wpabuf *in_buf;
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struct wpabuf *out_buf;
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size_t out_used;
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size_t fragment_size;
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};
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/* EAP-TNC Flags */
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#define EAP_TNC_FLAGS_LENGTH_INCLUDED 0x80
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#define EAP_TNC_FLAGS_MORE_FRAGMENTS 0x40
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#define EAP_TNC_FLAGS_START 0x20
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#define EAP_TNC_VERSION_MASK 0x07
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#define EAP_TNC_VERSION 1
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static void * eap_tnc_init(struct eap_sm *sm)
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{
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struct eap_tnc_data *data;
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data = os_zalloc(sizeof(*data));
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if (data == NULL)
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return NULL;
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data->state = WAIT_START;
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data->fragment_size = 1300;
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data->tncc = tncc_init();
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if (data->tncc == NULL) {
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os_free(data);
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return NULL;
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}
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return data;
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}
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static void eap_tnc_deinit(struct eap_sm *sm, void *priv)
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{
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struct eap_tnc_data *data = priv;
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wpabuf_free(data->in_buf);
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wpabuf_free(data->out_buf);
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tncc_deinit(data->tncc);
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os_free(data);
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}
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static struct wpabuf * eap_tnc_build_frag_ack(u8 id, u8 code)
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{
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struct wpabuf *msg;
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msg = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, 1, code, id);
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if (msg == NULL) {
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wpa_printf(MSG_ERROR, "EAP-TNC: Failed to allocate memory "
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"for fragment ack");
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return NULL;
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}
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wpabuf_put_u8(msg, EAP_TNC_VERSION); /* Flags */
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wpa_printf(MSG_DEBUG, "EAP-TNC: Send fragment ack");
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return msg;
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}
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static struct wpabuf * eap_tnc_build_msg(struct eap_tnc_data *data,
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struct eap_method_ret *ret, u8 id)
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{
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struct wpabuf *resp;
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u8 flags;
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size_t send_len, plen;
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ret->ignore = FALSE;
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wpa_printf(MSG_DEBUG, "EAP-TNC: Generating Response");
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ret->allowNotifications = TRUE;
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flags = EAP_TNC_VERSION;
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send_len = wpabuf_len(data->out_buf) - data->out_used;
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if (1 + send_len > data->fragment_size) {
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send_len = data->fragment_size - 1;
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flags |= EAP_TNC_FLAGS_MORE_FRAGMENTS;
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if (data->out_used == 0) {
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flags |= EAP_TNC_FLAGS_LENGTH_INCLUDED;
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send_len -= 4;
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}
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}
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plen = 1 + send_len;
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if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)
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plen += 4;
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resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, plen,
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EAP_CODE_RESPONSE, id);
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if (resp == NULL)
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return NULL;
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wpabuf_put_u8(resp, flags); /* Flags */
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if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)
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wpabuf_put_be32(resp, wpabuf_len(data->out_buf));
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wpabuf_put_data(resp, wpabuf_head_u8(data->out_buf) + data->out_used,
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send_len);
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data->out_used += send_len;
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ret->methodState = METHOD_MAY_CONT;
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ret->decision = DECISION_FAIL;
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if (data->out_used == wpabuf_len(data->out_buf)) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Sending out %lu bytes "
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"(message sent completely)",
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(unsigned long) send_len);
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wpabuf_free(data->out_buf);
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data->out_buf = NULL;
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data->out_used = 0;
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} else {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Sending out %lu bytes "
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"(%lu more to send)", (unsigned long) send_len,
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(unsigned long) wpabuf_len(data->out_buf) -
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data->out_used);
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data->state = WAIT_FRAG_ACK;
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}
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return resp;
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}
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static int eap_tnc_process_cont(struct eap_tnc_data *data,
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const u8 *buf, size_t len)
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{
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/* Process continuation of a pending message */
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if (len > wpabuf_tailroom(data->in_buf)) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Fragment overflow");
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data->state = FAIL;
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return -1;
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}
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wpabuf_put_data(data->in_buf, buf, len);
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wpa_printf(MSG_DEBUG, "EAP-TNC: Received %lu bytes, waiting for "
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"%lu bytes more", (unsigned long) len,
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(unsigned long) wpabuf_tailroom(data->in_buf));
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return 0;
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}
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static struct wpabuf * eap_tnc_process_fragment(struct eap_tnc_data *data,
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struct eap_method_ret *ret,
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u8 id, u8 flags,
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u32 message_length,
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const u8 *buf, size_t len)
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{
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/* Process a fragment that is not the last one of the message */
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if (data->in_buf == NULL && !(flags & EAP_TNC_FLAGS_LENGTH_INCLUDED)) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: No Message Length field in a "
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"fragmented packet");
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ret->ignore = TRUE;
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return NULL;
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}
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if (data->in_buf == NULL) {
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/* First fragment of the message */
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data->in_buf = wpabuf_alloc(message_length);
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if (data->in_buf == NULL) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: No memory for "
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"message");
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ret->ignore = TRUE;
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return NULL;
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}
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wpabuf_put_data(data->in_buf, buf, len);
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wpa_printf(MSG_DEBUG, "EAP-TNC: Received %lu bytes in first "
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"fragment, waiting for %lu bytes more",
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(unsigned long) len,
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(unsigned long) wpabuf_tailroom(data->in_buf));
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}
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return eap_tnc_build_frag_ack(id, EAP_CODE_RESPONSE);
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}
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static struct wpabuf * eap_tnc_process(struct eap_sm *sm, void *priv,
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struct eap_method_ret *ret,
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const struct wpabuf *reqData)
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{
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struct eap_tnc_data *data = priv;
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struct wpabuf *resp;
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const u8 *pos, *end;
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u8 *rpos, *rpos1;
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size_t len, rlen;
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size_t imc_len;
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char *start_buf, *end_buf;
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size_t start_len, end_len;
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int tncs_done = 0;
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u8 flags, id;
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u32 message_length = 0;
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struct wpabuf tmpbuf;
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pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TNC, reqData, &len);
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if (pos == NULL) {
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wpa_printf(MSG_INFO, "EAP-TNC: Invalid frame (pos=%p len=%lu)",
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pos, (unsigned long) len);
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ret->ignore = TRUE;
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return NULL;
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}
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id = eap_get_id(reqData);
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end = pos + len;
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if (len == 0)
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flags = 0; /* fragment ack */
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else
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flags = *pos++;
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if (len > 0 && (flags & EAP_TNC_VERSION_MASK) != EAP_TNC_VERSION) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Unsupported version %d",
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flags & EAP_TNC_VERSION_MASK);
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ret->ignore = TRUE;
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return NULL;
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}
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if (flags & EAP_TNC_FLAGS_LENGTH_INCLUDED) {
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if (end - pos < 4) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Message underflow");
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ret->ignore = TRUE;
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return NULL;
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}
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message_length = WPA_GET_BE32(pos);
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pos += 4;
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if (message_length < (u32) (end - pos)) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Invalid Message "
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"Length (%d; %ld remaining in this msg)",
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message_length, (long) (end - pos));
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ret->ignore = TRUE;
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return NULL;
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}
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}
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wpa_printf(MSG_DEBUG, "EAP-TNC: Received packet: Flags 0x%x "
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"Message Length %u", flags, message_length);
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if (data->state == WAIT_FRAG_ACK) {
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if (len > 1) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Unexpected payload in "
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"WAIT_FRAG_ACK state");
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ret->ignore = TRUE;
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return NULL;
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}
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wpa_printf(MSG_DEBUG, "EAP-TNC: Fragment acknowledged");
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data->state = PROC_MSG;
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return eap_tnc_build_msg(data, ret, id);
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}
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if (data->in_buf && eap_tnc_process_cont(data, pos, end - pos) < 0) {
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ret->ignore = TRUE;
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return NULL;
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}
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if (flags & EAP_TNC_FLAGS_MORE_FRAGMENTS) {
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return eap_tnc_process_fragment(data, ret, id, flags,
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message_length, pos,
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end - pos);
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}
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if (data->in_buf == NULL) {
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/* Wrap unfragmented messages as wpabuf without extra copy */
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wpabuf_set(&tmpbuf, pos, end - pos);
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data->in_buf = &tmpbuf;
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}
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if (data->state == WAIT_START) {
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if (!(flags & EAP_TNC_FLAGS_START)) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Server did not use "
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"start flag in the first message");
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ret->ignore = TRUE;
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goto fail;
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}
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tncc_init_connection(data->tncc);
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data->state = PROC_MSG;
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} else {
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enum tncc_process_res res;
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if (flags & EAP_TNC_FLAGS_START) {
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wpa_printf(MSG_DEBUG, "EAP-TNC: Server used start "
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"flag again");
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ret->ignore = TRUE;
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goto fail;
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}
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res = tncc_process_if_tnccs(data->tncc,
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wpabuf_head(data->in_buf),
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wpabuf_len(data->in_buf));
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switch (res) {
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case TNCCS_PROCESS_ERROR:
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ret->ignore = TRUE;
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goto fail;
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case TNCCS_PROCESS_OK_NO_RECOMMENDATION:
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case TNCCS_RECOMMENDATION_ERROR:
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wpa_printf(MSG_DEBUG, "EAP-TNC: No "
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"TNCCS-Recommendation received");
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break;
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case TNCCS_RECOMMENDATION_ALLOW:
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wpa_msg(sm->msg_ctx, MSG_INFO,
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"TNC: Recommendation = allow");
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tncs_done = 1;
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break;
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case TNCCS_RECOMMENDATION_NONE:
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wpa_msg(sm->msg_ctx, MSG_INFO,
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"TNC: Recommendation = none");
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tncs_done = 1;
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break;
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case TNCCS_RECOMMENDATION_ISOLATE:
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wpa_msg(sm->msg_ctx, MSG_INFO,
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"TNC: Recommendation = isolate");
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tncs_done = 1;
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break;
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}
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}
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if (data->in_buf != &tmpbuf)
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wpabuf_free(data->in_buf);
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data->in_buf = NULL;
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ret->ignore = FALSE;
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ret->methodState = METHOD_MAY_CONT;
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ret->decision = DECISION_UNCOND_SUCC;
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ret->allowNotifications = TRUE;
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if (data->out_buf) {
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data->state = PROC_MSG;
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return eap_tnc_build_msg(data, ret, id);
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}
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if (tncs_done) {
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resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TNC, 1,
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EAP_CODE_RESPONSE, eap_get_id(reqData));
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if (resp == NULL)
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return NULL;
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wpabuf_put_u8(resp, EAP_TNC_VERSION);
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wpa_printf(MSG_DEBUG, "EAP-TNC: TNCS done - reply with an "
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"empty ACK message");
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return resp;
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}
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imc_len = tncc_total_send_len(data->tncc);
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start_buf = tncc_if_tnccs_start(data->tncc);
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if (start_buf == NULL)
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return NULL;
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start_len = os_strlen(start_buf);
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end_buf = tncc_if_tnccs_end();
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if (end_buf == NULL) {
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os_free(start_buf);
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return NULL;
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}
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end_len = os_strlen(end_buf);
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rlen = start_len + imc_len + end_len;
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resp = wpabuf_alloc(rlen);
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if (resp == NULL) {
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os_free(start_buf);
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os_free(end_buf);
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return NULL;
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}
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wpabuf_put_data(resp, start_buf, start_len);
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os_free(start_buf);
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rpos1 = wpabuf_put(resp, 0);
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rpos = tncc_copy_send_buf(data->tncc, rpos1);
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wpabuf_put(resp, rpos - rpos1);
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wpabuf_put_data(resp, end_buf, end_len);
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os_free(end_buf);
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wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-TNC: Response",
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wpabuf_head(resp), wpabuf_len(resp));
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data->out_buf = resp;
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data->state = PROC_MSG;
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return eap_tnc_build_msg(data, ret, id);
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fail:
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if (data->in_buf == &tmpbuf)
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data->in_buf = NULL;
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return NULL;
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}
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int eap_peer_tnc_register(void)
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{
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struct eap_method *eap;
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int ret;
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eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
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EAP_VENDOR_IETF, EAP_TYPE_TNC, "TNC");
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if (eap == NULL)
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return -1;
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eap->init = eap_tnc_init;
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eap->deinit = eap_tnc_deinit;
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eap->process = eap_tnc_process;
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ret = eap_peer_method_register(eap);
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if (ret)
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eap_peer_method_free(eap);
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return ret;
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}
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