262 lines
5.6 KiB
Bash
Executable File
262 lines
5.6 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 "$channel"
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}
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config_get_bool hidden "$vif" hidden
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iwpriv "$ifname" hide_ssid "$hidden"
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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 "${key:-1}"
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;;
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PSK|psk|PSK2|psk2)
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config_get key "$vif" key
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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 "$vif" ssid
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;;
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adhoc)
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config_get addr "$vif" bssid
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[ -z "$addr" ] || {
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iwconfig "$ifname" ap "$addr"
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}
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;;
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esac
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[ "$mode" = "sta" ] && {
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config_get_bool bgscan "$vif" bgscan 1
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iwpriv "$ifname" bgscan "$bgscan"
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}
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config_get_bool antdiv "$device" diversity 1
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sysctl -w dev."$device".diversity="$antdiv" >&-
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config_get antrx "$device" rxantenna
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if [ -n "$antrx" ]; then
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sysctl -w dev."$device".rxantenna="$antrx" >&-
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fi
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config_get anttx "$device" txantenna
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if [ -n "$anttx" ]; then
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sysctl -w dev."$device".txantenna="$anttx" >&-
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fi
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config_get distance "$device" distance
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if [ -n "$distance" ]; then
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athctrl -i "$device" -d "$distance" >&-
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fi
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config_get txpwr "$vif" txpower
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if [ -n "$txpwr" ]; then
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iwconfig "$ifname" txpower "${txpwr%%.*}"
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fi
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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 "$ifname" destroy
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continue
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}
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;;
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wds|sta)
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case "$enc" in
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PSK|psk|PSK2|psk2)
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case "$enc" in
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PSK|psk)
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proto='proto=WPA';;
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PSK2|psk2)
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proto='proto=RSN';;
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esac
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cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
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ctrl_interface=/var/run/wpa_supplicant
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network={
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scan_ssid=1
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ssid="$ssid"
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key_mgmt=WPA-PSK
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$proto
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psk="$key"
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}
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EOF
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;;
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WPA|wpa|WPA2|wpa2)
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#add wpa_supplicant calls here
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;;
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esac
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wpa_supplicant ${bridge:+ -b $bridge} -Bw -D wext -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf
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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 $(ls wifi* 2>&-); do
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config_get type "$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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# option diversity 1
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# option txantenna 0
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# option rxantenna 0
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# option distance 2000
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# disable radio to prevent an open ap after reflashing:
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option disabled 1
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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 txpower 15
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# option bgscan enable
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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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