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