diff options
Diffstat (limited to 'package/system/hostap-driver/files/lib/wifi')
| -rwxr-xr-x | package/system/hostap-driver/files/lib/wifi/hostap.sh | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/package/system/hostap-driver/files/lib/wifi/hostap.sh b/package/system/hostap-driver/files/lib/wifi/hostap.sh new file mode 100755 index 000000000..62d2e7e47 --- /dev/null +++ b/package/system/hostap-driver/files/lib/wifi/hostap.sh @@ -0,0 +1,270 @@ +#!/bin/sh +append DRIVERS "prism2" + +find_prism2_phy() { + local device="$1" + + local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')" + config_get phy "$device" phy + [ -z "$phy" -a -n "$macaddr" ] && { + cd /proc/net/hostap + for phy in $(ls -d wlan* 2>&-); do + [ "$macaddr" = "$(cat /sys/class/net/${phy}/address)" ] || continue + config_set "$device" phy "$phy" + break + done + config_get phy "$device" phy + } + [ -n "$phy" -a -d "/proc/net/hostap/$phy" ] || { + echo "phy for wifi device $1 not found" + return 1 + } + [ -z "$macaddr" ] && { + config_set "$device" macaddr "$(cat /sys/class/net/${phy}/address)" + } + return 0 +} + +scan_prism2() { + local device="$1" + local mainvif + local wds + + [ ${device%[0-9]} = "wlan" ] && config_set "$device" phy "$device" || find_prism2_phy "$device" || { + config_unset "$device" vifs + return 0 + } + config_get phy "$device" phy + + config_get vifs "$device" vifs + local _c=0 + for vif in $vifs; do + config_get_bool disabled "$vif" disabled 0 + [ $disabled = 0 ] || continue + + config_get mode "$vif" mode + case "$mode" in + adhoc|sta|ap|monitor) + # Only one vif is allowed on AP, station, Ad-hoc or monitor mode + [ -z "$mainvif" ] && { + mainvif="$vif" + config_set "$vif" ifname "$phy" + } + ;; + wds) + config_get ssid "$vif" ssid + [ -z "$ssid" ] && continue + config_set "$vif" ifname "${phy}wds${_c}" + _c=$(($_c + 1)) + addr="$ssid" + ${addr:+append wds "$vif"} + ;; + *) echo "$device($vif): Invalid mode, ignored."; continue;; + esac + done + config_set "$device" vifs "${mainvif:+$mainvif }${wds:+$wds}" +} + +disable_prism2() ( + local device="$1" + + find_prism2_phy "$device" || return 0 + config_get phy "$device" phy + + set_wifi_down "$device" + + include /lib/network + while read line < /proc/net/hostap/${phy}/wds; do + set $line + [ -f "/var/run/wifi-${1}.pid" ] && + kill "$(cat "/var/run/wifi-${1}.pid")" + ifconfig "$1" down + unbridge "$1" + iwpriv "$phy" wds_del "$2" + done + unbridge "$phy" + return 0 +) + +enable_prism2() { + local device="$1" + + find_prism2_phy "$device" || return 0 + config_get phy "$device" phy + + config_get rxantenna "$device" rxantenna + config_get txantenna "$device" txantenna + config_get_bool diversity "$device" diversity + [ -n "$diversity" ] && { + rxantenna="1" + txantenna="1" + } + [ -n "$rxantenna" ] && iwpriv "$phy" antsel_rx "$rxantenna" + [ -n "$txantenna" ] && iwpriv "$phy" antsel_tx "$txantenna" + + config_get channel "$device" channel + [ -n "$channel" ] && iwconfig "$phy" channel "$channel" >/dev/null 2>/dev/null + + config_get txpower "$device" txpower + [ -n "$txpower" ] && iwconfig "$phy" txpower "${txpower%%.*}" + + config_get vifs "$device" vifs + local first=1 + for vif in $vifs; do + config_get ifname "$vif" ifname + config_get ssid "$vif" ssid + config_get mode "$vif" mode + + [ "$mode" = "wds" ] || iwconfig "$phy" essid ${ssid:+-- }"${ssid:-any}" + + case "$mode" in + sta) + iwconfig "$phy" mode managed + config_get addr "$device" bssid + [ -z "$addr" ] || { + iwconfig "$phy" ap "$addr" + } + ;; + ap) iwconfig "$phy" mode master;; + wds) iwpriv "$phy" wds_add "$ssid";; + adhoc) iwconfig "$phy" mode ad-hoc;; + *) iwconfig "$phy" mode "$mode";; + esac + + [ "$first" = 1 ] && { + config_get rate "$vif" rate + [ -n "$rate" ] && iwconfig "$phy" rate "${rate%%.*}" + + config_get_bool hidden "$vif" hidden 0 + iwpriv "$phy" enh_sec "$hidden" + + config_get frag "$vif" frag + [ -n "$frag" ] && iwconfig "$phy" frag "${frag%%.*}" + + config_get rts "$vif" rts + [ -n "$rts" ] && iwconfig "$phy" rts "${rts%%.*}" + + config_get maclist "$vif" maclist + [ -n "$maclist" ] && { + # flush MAC list + iwpriv "$phy" maccmd 3 + for mac in $maclist; do + iwpriv "$phy" addmac "$mac" + done + } + config_get macpolicy "$vif" macpolicy + case "$macpolicy" in + allow) + iwpriv "$phy" maccmd 2 + ;; + deny) + iwpriv "$phy" maccmd 1 + ;; + *) + # default deny policy if mac list exists + [ -n "$maclist" ] && iwpriv "$phy" maccmd 1 + ;; + esac + # kick all stations if we have policy explicitly set + [ -n "$macpolicy" ] && iwpriv "$phy" maccmd 4 + } + + config_get enc "$vif" encryption + case "$enc" in + WEP|wep) + for idx in 1 2 3 4; do + config_get key "$vif" "key${idx}" + iwconfig "$ifname" enc "[$idx]" "${key:-off}" + done + config_get key "$vif" key + key="${key:-1}" + case "$key" in + [1234]) iwconfig "$ifname" enc "[$key]";; + *) iwconfig "$ifname" enc "$key";; + esac + ;; + psk*|wpa*) + start_hostapd=1 + config_get key "$vif" key + ;; + esac + + local net_cfg bridge + net_cfg="$(find_net_config "$vif")" + [ -z "$net_cfg" ] || { + bridge="$(bridge_interface "$net_cfg")" + config_set "$vif" bridge "$bridge" + start_net "$ifname" "$net_cfg" + } + set_wifi_up "$vif" "$ifname" + + case "$mode" in + ap) + if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then + hostapd_setup_vif "$vif" hostap || { + echo "enable_prism2($device): Failed to set up hostapd for interface $ifname" >&2 + # make sure this wifi interface won't accidentally stay open without encryption + ifconfig "$ifname" down + continue + } + fi + ;; + wds|sta) + if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then + wpa_supplicant_setup_vif "$vif" wext || { + echo "enable_prism2($device): Failed to set up wpa_supplicant for interface $ifname" >&2 + ifconfig "$ifname" down + continue + } + fi + ;; + esac + first=0 + done + +} + +check_prism2_device() { + [ ${1%[0-9]} = "wlan" ] && config_set "$1" phy "$1" + config_get phy "$1" phy + [ -z "$phy" ] && { + find_prism2_phy "$1" >/dev/null || return 0 + config_get phy "$1" phy + } + [ "$phy" = "$dev" ] && found=1 +} + +detect_prism2() { + devidx=0 + config_load wireless + while :; do + config_get type "radio$devidx" type + [ -n "$type" ] || break + devidx=$(($devidx + 1)) + done + cd /proc/net/hostap + [ -d wlan* ] || return + for dev in $(ls -d wlan* 2>&-); do + found=0 + config_foreach check_prism2_device wifi-device + [ "$found" -gt 0 ] && continue + cat <<EOF +config wifi-device radio$devidx + option type prism2 + option channel 11 + option macaddr $(cat /sys/class/net/${dev}/address) + + # REMOVE THIS LINE TO ENABLE WIFI: + option disabled 1 + +config wifi-iface + option device radio$devidx + option network lan + option mode ap + option ssid OpenWrt + option encryption none + +EOF + devidx=$(($devidx + 1)) + done +} |