189 lines
4 KiB
Bash
Executable file
189 lines
4 KiB
Bash
Executable file
#!/bin/sh
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append DRIVERS "atheros"
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scan_atheros() {
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local device="$1"
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local wds
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local adhoc sta ap
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config_get vifs "$device" vifs
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for vif in $vifs; do
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config_get ifname "$vif" ifname
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config_set "$vif" ifname "${ifname:-ath}"
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config_get mode "$vif" mode
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case "$mode" in
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adhoc|sta|ap)
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append $mode "$vif"
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;;
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wds)
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config_get addr "$vif" bssid
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config_get ssid "$vif" ssid
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[ -z "$addr" -a -n "$ssid" ] && {
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config_set "$vif" wds 1
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config_set "$vif" mode sta
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mode="sta"
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addr="$ssid"
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}
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${addr:+append $mode "$vif"}
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;;
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*) echo "$device($vif): Invalid mode, ignored."; continue;;
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esac
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done
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case "${adhoc:+1}:${sta:+1}:${ap+1}" in
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# valid mode combinations
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1::) wds="";;
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:1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
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:1:);;
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::1);;
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::);;
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*) echo "$device: Invalid mode combination in config"; return 1;;
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esac
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config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${wds:+$wds }"
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}
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disable_atheros() (
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local device="$1"
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# kill all running hostapd and wpa_supplicant processes that
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# are running on atheros vifs
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for pid in `pidof hostapd wpa_supplicant`; do
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grep ath /proc/$pid/cmdline >/dev/null && \
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kill $pid
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done
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include /lib/network
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cd /proc/sys/net
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for dev in *; do
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grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
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ifconfig "$dev" down
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unbridge "$dev"
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wlanconfig "$dev" destroy
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}
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done
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return 0
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)
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enable_atheros() {
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config_get channel "$device" channel
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config_get vifs "$device" vifs
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disable_atheros "$device"
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local first=1
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for vif in $vifs; do
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nosbeacon=
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config_get ifname "$vif" ifname
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config_get enc "$vif" encryption
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config_get mode "$vif" mode
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[ "$mode" = sta ] && config_get nosbeacon "$device" nosbeacon
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config_get ifname "$vif" ifname
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ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
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[ $? -ne 0 ] && {
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echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
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continue
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}
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config_set "$vif" ifname "$ifname"
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[ "$first" = 1 ] && {
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# only need to change freq band and channel on the first vif
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config_get agmode "$device" mode
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pureg=0
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case "$agmode" in
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*b) agmode=11b;;
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*bg) agmode=11g;;
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*g) agmode=11g; pureg=1;;
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*a) agmode=11a;;
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*) agmode=11g;;
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esac
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iwconfig "$ifname" channel 0
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iwpriv "$ifname" mode "$agmode"
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iwpriv "$ifname" pureg "$pureg"
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iwconfig "$ifname" channel "$channel"
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}
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config_get wds "$vif" wds
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case "$wds" in
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1|on|enabled) wds=1;;
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*) wds=0;;
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esac
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iwpriv "$ifname" wds "$wds"
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wpa=
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case "$enc" in
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WEP|wep)
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for idx in 1 2 3 4; do
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config_get key "$vif" "key${idx}"
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iwconfig "$ifname" enc "[$idx]" "${key:-off}"
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done
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config_get key "$vif" key
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iwconfig "$ifname" enc "${key:-1}"
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;;
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esac
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case "$mode" in
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wds)
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config_get addr "$vif" bssid
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iwpriv "$ifname" wds_add "$addr"
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;;
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*)
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config_get ssid "$vif" ssid
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;;
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esac
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ifconfig "$ifname" up
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local net_cfg bridge
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net_cfg="$(find_net_config "$vif")"
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[ -z "$net_cfg" ] || {
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bridge="$(bridge_interface "$net_cfg")"
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config_set "$vif" bridge "$bridge"
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start_net "$ifname" "$net_cfg"
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}
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iwconfig "$ifname" essid "$ssid"
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case "$mode" in
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ap)
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hostapd_setup_vif "$vif" madwifi || {
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echo "enable_atheros($device): Failed to set up wpa for interface $ifname" >&2
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# make sure this wifi interface won't accidentally stay open without encryption
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ifconfig "$ifname" down
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wlanconfig "$ifname" destroy
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continue
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}
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;;
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wds|sta)
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# FIXME: implement wpa_supplicant calls here
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;;
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esac
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first=0
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done
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}
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detect_atheros() {
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cd /proc/sys/dev
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[ -d ath ] || return
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for dev in wifi*; do
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config_get type "$dev" type
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[ "$type" = atheros ] && return
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cat <<EOF
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config wifi-device $dev
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option type atheros
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option channel 5
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config wifi-iface
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option device $dev
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# option network lan
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option mode ap
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option ssid OpenWrt
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option hidden 0
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option encryption none
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EOF
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done
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}
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