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#!/bin/sh
append DRIVERS "prism2"
scan_prism2() {
local device="$1"
local mainvif
local wds
config_get vifs "$device" vifs
local _c=0
for vif in $vifs; do
config_get mode "$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 "$device"
}
;;
wds)
config_get ssid "$vif" ssid
[ -z "$ssid" ] && continue
config_set "$vif" ifname "${device}wds${_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="$1"
set_wifi_down "$device"
include /lib/network
while read line < /proc/net/hostap/${device}/wds; do
set $line
[ -f "/var/run/wifi-${1}.pid" ] &&
kill "$(cat "/var/run/wifi-${1}.pid")"
ifconfig "$1" down
unbridge "$1"
iwpriv "$device" wds_del "$2"
done
unbridge "$device"
return 0
)
enable_prism2() {
local device="$1"
config_get rxantenna "$device" rxantenna
config_get txantenna "$device" txantenna
config_get_bool diversity "$device" diversity
[ -n "$diversity" ] && {
rxantenna="1"
txantenna="1"
}
[ -n "$rxantenna" ] && iwpriv $device antsel_rx "$rxantenna"
[ -n "$txantenna" ] && iwpriv $device antsel_tx "$txantenna"
config_get channel "$device" channel
[ -n "$channel" ] && iwconfig "$device" channel "$channel" >/dev/null 2>/dev/null
config_get txpower "$device" txpower
[ -n "$txpower" ] && iwconfig "$device" txpower "${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
[ "$mode" = "wds" ] || iwconfig "$device" essid -- "$ssid"
case "$mode" in
sta)
iwconfig "$device" mode managed
config_get addr "$device" bssid
[ -z "$addr" ] || {
iwconfig "$device" ap "$addr"
}
;;
ap) iwconfig "$device" mode master;;
wds) iwpriv "$device" wds_add "$ssid";;
*) iwconfig "$device" mode "$mode";;
esac
[ "$first" = 1 ] && {
config_get rate "$vif" rate
[ -n "$rate" ] && iwconfig "$device" rate "${rate%%.*}"
config_get_bool hidden "$vif" hidden 0
iwpriv "$device" enh_sec "$hidden"
config_get frag "$vif" frag
[ -n "$frag" ] && iwconfig "$device" frag "${frag%%.*}"
config_get rts "$vif" rts
[ -n "$rts" ] && iwconfig "$device" rts "${rts%%.*}"
config_get maclist "$vif" maclist
[ -n "$maclist" ] && {
# flush MAC list
iwpriv "$device" maccmd 3
for mac in $maclist; do
iwpriv "$device" addmac "$mac"
done
}
config_get macpolicy "$vif" macpolicy
case "$macpolicy" in
allow)
iwpriv $device maccmd 2
;;
deny)
iwpriv $device maccmd 1
;;
*)
# default deny policy if mac list exists
[ -n "$maclist" ] && iwpriv $device maccmd 1
;;
esac
# kick all stations if we have policy explicitly set
[ -n "$macpolicy" ] && iwpriv $device maccmd 4
}
config_get enc "$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 "$vif" hostap || {
echo "enable_prism2($device): Failed to set up wpa_supplicant for interface $ifname" >&2
ifconfig "$ifname" down
continue
}
fi
;;
esac
first=0
done
}
detect_prism2() {
cd /proc/net/hostap
[ -d wlan* ] || return
for dev in $(ls -d wlan* 2>&-); do
config_get type "$dev" type
[ "$type" = prism2 ] && continue
cat <<EOF
config wifi-device $dev
option type prism2
option channel 11
# REMOVE THIS LINE TO ENABLE WIFI:
option disabled 1
config wifi-iface
option device $dev
option network lan
option mode ap
option ssid OpenWrt
option encryption none
EOF
done
}
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