195 lines
4.2 KiB
Bash
195 lines
4.2 KiB
Bash
#!/bin/sh
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append DRIVERS "mac80211"
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scan_mac80211() {
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local device="$1"
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local adhoc sta ap
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config_get vifs "$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:-$device}"
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config_get mode "$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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*) echo "$device($vif): Invalid mode, ignored."; continue;;
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esac
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done
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config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${sta:+$sta }${wds:+$wds }"
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}
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disable_mac80211() (
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local device="$1"
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set_wifi_down "$device"
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# kill all running hostapd and wpa_supplicant processes that
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# are running on atheros/mac80211 vifs
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for pid in `pidof hostapd wpa_supplicant`; do
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grep wlan /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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}
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done
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return 0
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)
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enable_mac80211() {
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local device="$1"
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config_get channel "$device" channel
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config_get vifs "$device" vifs
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local first=1
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for vif in $vifs; do
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config_get ifname "$vif" ifname
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config_get enc "$vif" encryption
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config_get mode "$vif" mode
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config_get ifname "$vif" ifname
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[ $? -ne 0 ] && {
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echo "enable_mac80211($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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iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
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ifconfig "$ifname" up
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sleep 1
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iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
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}
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wpa=
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case "$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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key="${key:-1}"
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case "$key" in
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[1234]) iwconfig "$ifname" enc "[$key]";;
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*) iwconfig "$ifname" enc "$key";;
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esac
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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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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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config_get ssid "$vif" ssid
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config_get txpwr "$vif" txpower
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if [ -n "$txpwr" ]; then
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iwconfig "$ifname" txpower "${txpwr%%.*}"
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fi
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config_get frag "$vif" frag
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if [ -n "$frag" ]; then
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iwconfig "$ifname" frag "${frag%%.*}"
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fi
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config_get rts "$vif" rts
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if [ -n "$rts" ]; then
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iwconfig "$ifname" rts "${rts%%.*}"
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fi
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ifconfig "$ifname" up
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iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
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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 "$ssid"
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set_wifi_up "$vif" "$ifname"
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case "$mode" in
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ap)
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if eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
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hostapd_setup_vif "$vif" nl80211 || {
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echo "enable_mac80211($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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continue
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}
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fi
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;;
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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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[ -z "$proto" ] || wpa_supplicant ${bridge:+ -b $bridge} -B -D wext -i "$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_mac80211() {
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cd /sys/class/net
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for dev in $(ls -d wlan* 2>&-); do
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config_get type "$dev" type
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[ "$type" = mac80211 ] && return
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cat <<EOF
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config wifi-device $dev
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option type mac80211
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option channel 5
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# REMOVE THIS LINE TO ENABLE WIFI:
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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 encryption none
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EOF
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done
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}
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