#!/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 }