mirror of
https://github.com/lwfinger/rtl8188eu.git
synced 2024-09-19 15:47:06 +00:00
160 lines
3.9 KiB
Bash
Executable file
160 lines
3.9 KiB
Bash
Executable file
#!/bin/sh
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# Script to start/stop a hostapd-based access point
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#
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# Sample start call "control_ap start wlan0 eth0"
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# Stop with "control_ap stop"
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#
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case "$1" in
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start)
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if [ $# -ne 3 ]
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then
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echo "Usage: $0 start AP_iface NET_iface"
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exit 1
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fi
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;;
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stop)
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if [ $# -ne 1 ]
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then
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echo "Usage: $0 stop"
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exit 1
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fi
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;;
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*)
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echo "Usage:"
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echo "$0 start AP-iface net_iface"
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echo "or"
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echo "$0 stop"
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exit 1
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;;
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esac
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# Symbols for needed programs
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IPTABLES=/sbin/iptables
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IFCONFIG=/usr/bin/ifconfig
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DHCPD=/sbin/dhcpd
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HOSTAPD=$(pwd)/hostapd-2.9/hostapd/hostapd
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# Symbols for AP and external interfaces
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NET_AP=$2
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NET_EXT=$3
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# First 3 octets of IP address for the AP
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AP_ADDR=192.168.0
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# IP address for nameserver
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NAME_SERVER=8.8.8.8
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# AP Channel, SSID, Encryption method, driver, and Encryption secret
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AP_CHANNEL=11
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AP_SSID=rtwap
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WPA_SECRET="87654321"
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ENCRYPT_MODE=2
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DRIVER=rtl871xdrv
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case "$1" in
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start)
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echo "Starting AP mode for $NET_AP at address $AP_ADDR.1"
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# Disable packet forwarding
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echo 0 > /proc/sys/net/ipv4/ip_forward
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# Stop any existing hostapd and dhcpd daemons
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killall -q hostapd
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killall -q dhcpd
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#Set up forwarding
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$IPTABLES -t nat -A POSTROUTING -o $NET_EXT -j MASQUERADE
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$IPTABLES -A FORWARD -i $NET_EXT -o $NET_AP -m state \
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--state RELATED,ESTABLISHED -j ACCEPT
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$IPTABLES -A FORWARD -i $NET_AP -o $NET_EXT -j ACCEPT
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# Get the AP interface in the right state
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$IFCONFIG $NET_AP down
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$IFCONFIG $NET_AP up
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$IFCONFIG $NET_AP $AP_ADDR.1
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# dhcpd needs to have a leases file available - create it if needed
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if [ ! -f /var/lib/dhcp/db/dhcpd.leases ]; then
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mkdir -p /var/lib/dhcp/db
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touch /var/lib/dhcp/db/dhcpd.leases
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fi
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# Write the DHCP server configuration file
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echo "option domain-name-servers $NAME_SERVER;" > dhcpd.conf
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echo "default-lease-time 600;" >> dhcpd.conf
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echo "ddns-update-style none; ddns-updates off;" >> dhcpd.conf
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echo "subnet $AP_ADDR.0 netmask 255.255.255.0 {" >> dhcpd.conf
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echo " max-lease-time 7200;" >> dhcpd.conf
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echo " range $AP_ADDR.200 $AP_ADDR.229;" >> dhcpd.conf
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echo " option subnet-mask 255.255.255.0;" >> dhcpd.conf
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echo " option broadcast-address $AP_ADDR.255;" >> dhcpd.conf
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echo " option routers $AP_ADDR.1;" >> dhcpd.conf
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echo "}" >> dhcpd.conf
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# Bring up the DHCP server
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$DHCPD -cf dhcpd.conf $NET_AP
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# Write the hostapd configuration file
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cat > hostapd << EOF
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auth_algs=1
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beacon_int=100
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country_code=US
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ctrl_interface_group=0
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ctrl_interface=/var/run/hostapd
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dtim_period=2
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fragm_threshold=2346
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#ht_capab=[HT40-][SHORT-GI-20][SHORT-GI-40][MAX-AMSDU-7935][DSSS_CCK-40]
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#ieee80211d=1
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#ieee80211n=1
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ignore_broadcast_ssid=0
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logger_stdout=-1
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logger_stdout_level=2
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logger_syslog=-1
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logger_syslog_level=2
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macaddr_acl=0
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max_num_sta=255
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rts_threshold=2347
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wmm_ac_be_acm=0
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wmm_ac_be_aifs=3
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wmm_ac_be_cwmax=10
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wmm_ac_be_cwmin=4
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wmm_ac_be_txop_limit=0
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wmm_ac_bk_acm=0
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wmm_ac_bk_aifs=7
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wmm_ac_bk_cwmax=10
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wmm_ac_bk_cwmin=4
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wmm_ac_bk_txop_limit=0
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wmm_ac_vi_acm=0
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wmm_ac_vi_aifs=2
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wmm_ac_vi_cwmax=4
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wmm_ac_vi_cwmin=3
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wmm_ac_vi_txop_limit=94
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wmm_ac_vo_acm=0
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wmm_ac_vo_aifs=2
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wmm_ac_vo_cwmax=3
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wmm_ac_vo_cwmin=2
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wmm_ac_vo_txop_limit=47
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wmm_enabled=1
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EOF
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echo "interface=$NET_AP" >> hostapd
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echo "ssid=$AP_SSID" >> hostapd
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echo "driver=$DRIVER" >> hostapd
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echo "hw_mode=g" >> hostapd
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echo "channel=$AP_CHANNEL" >> hostapd
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echo "wpa=$ENCRYPT_MODE" >> hostapd
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echo "wpa_key_mgmt=WPA-PSK" >> hostapd
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echo "wpa_pairwise=TKIP CCMP" >> hostapd
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echo "rsn_pairwise=CCMP" >> hostapd
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echo "wpa_passphrase=$WPA_SECRET" >> hostapd
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# Enable packet forwarding
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echo 1 > /proc/sys/net/ipv4/ip_forward
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# Bring up hostapd
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$HOSTAPD -dd -B hostapd
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;;
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stop)
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echo "Stopping AP mode"
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# Stop hostapd and dhcpd daemons
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killall hostapd
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killall dhcpd
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rm -f hostapd
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rm -f dhcpd.conf
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;;
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esac
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