diff options
| -rwxr-xr-x | package/madwifi/files/lib/wifi/madwifi.sh | 161 |
1 files changed, 125 insertions, 36 deletions
diff --git a/package/madwifi/files/lib/wifi/madwifi.sh b/package/madwifi/files/lib/wifi/madwifi.sh index 569c96e71..de9870ce6 100755 --- a/package/madwifi/files/lib/wifi/madwifi.sh +++ b/package/madwifi/files/lib/wifi/madwifi.sh @@ -1,5 +1,4 @@ #!/bin/sh -set -x append DRIVERS "atheros" scan_atheros() { @@ -20,15 +19,22 @@ scan_atheros() { ;; wds) config_get addr "$vif" bssid - ${addr:+append wds "$addr"} + config_get ssid "$vif" ssid + [ -z "$addr" -a -n "$ssid" ] && { + config_set "$vif" wds 1 + config_set "$vif" mode sta + mode="sta" + addr="$ssid" + } + ${addr:+append $mode "$vif"} ;; *) echo "$device($vif): Invalid mode, ignored."; continue;; esac done - case "${adhoc:+1}:${sta:+}:${ap+1}" in + case "${adhoc:+1}:${sta:+1}:${ap+1}" in # valid mode combinations - 1::);; + 1::) wds="";; :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA :1:);; ::1);; @@ -36,13 +42,84 @@ scan_atheros() { *) echo "$device: Invalid mode combination in config"; return 1;; esac - config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }" + config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${wds:+$wds }" +} + +hostapd_setup_vif() { + local vif="$1" + local driver="$2" + local hostapd_cfg= + + # Examples: + # psk-mixed/tkip => WPA1+2 PSK, TKIP + # wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP + # wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP + # ... + + # TODO: move this parsing function somewhere generic, so that + # later it can be reused by drivers that don't use hostapd - [ -z "$adhoc" ] && config_set "$device" wds "$wdsifs" + # crypto defaults: WPA2 vs WPA1 + case "$enc" in + wpa2*|WPA2*|*PSK2*|*psk2*) + wpa=2 + crypto="CCMP" + ;; + *mixed*) + wpa=3 + crypto="CCMP TKIP" + ;; + *) + wpa=1 + crypto="TKIP" + ;; + esac + + # explicit override for crypto setting + case "$enc" in + *tkip+aes|*TKIP+AES|*tkip+ccmp|*TKIP+CCMP) crypto="CCMP TKIP";; + *tkip|*TKIP) crypto="TKIP";; + *aes|*AES|*ccmp|*CCMP) crypto="CCMP";; + esac + + # use crypto/auth settings for building the hostapd config + case "$enc" in + *psk*|*PSK*) + config_get psk "$vif" key + append hostapd_cfg "wpa_passphrase=$psk" "$N" + ;; + *wpa*|*WPA*) + # FIXME: add wpa+radius here + ;; + *) + return 0; + ;; + esac + config_get ifname "$vif" ifname + config_get bridge "$vif" bridge + config_get ssid "$vif" ssid + cat > /var/run/hostapd-$ifname.conf <<EOF +driver=$driver +interface=$ifname +${bridge:+bridge=$bridge} +ssid=$ssid +debug=0 +wpa=$wpa +wpa_pairwise=$crypto +$hostapd_cfg +EOF + hostapd -B /var/run/hostapd-$ifname.conf } disable_atheros() ( local device="$1" + + # kill all running hostapd and wpa_supplicant processes that + # are running on atheros vifs + for pid in `pidof hostapd wpa_supplicant`; do + grep ath /proc/$pid/cmdline >/dev/null && \ + kill $pid + done include /lib/network cd /proc/sys/net @@ -50,16 +127,17 @@ disable_atheros() ( grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && { ifconfig "$dev" down unbridge "$dev" - wlanconfig $dev destroy + wlanconfig "$dev" destroy } done + return 0 ) enable_atheros() { config_get channel "$device" channel - config_get wds "$device" wds config_get vifs "$device" vifs - + + disable_atheros "$device" for vif in $vifs; do nosbeacon= config_get ifname "$vif" ifname @@ -70,12 +148,19 @@ enable_atheros() { config_get ifname "$vif" ifname ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon}) - config_set "$vif" ifname "$ifname" - [ $? -ne 0 ] && { - echo "enable_atheros($device): Failed to set up vif $ifname" >&2 + echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2 continue } + config_set "$vif" ifname "$ifname" + + config_get wds "$vif" wds + case "$wds" in + 1|on|enabled) wds=1;; + *) wds=0;; + esac + iwpriv "$ifname" wds "$wds" + wpa= case "$enc" in WEP|wep) @@ -84,42 +169,45 @@ enable_atheros() { iwconfig "$ifname" enc "[$idx]" "${key:-off}" done config_get key "$vif" key - iwconfig "$ifname" enc "$key" + iwconfig "$ifname" enc "[${key:-1}]" ;; esac + case "$mode" in - ap) - local hostapd_cfg= - case "$enc" in - *psk*|*PSK*) - # FIXME: wpa - ;; - *wpa*|*WPA*) - # FIXME: add wpa+radius here - ;; - esac + wds) + config_get addr "$vif" bssid + iwpriv "$ifname" wds_add "$addr" ;; - sta) - # FIXME: implement wpa_supplicant calls here + *) + config_get ssid "$vif" ssid ;; - esac - - config_get ssid "$vif" ssid - append if_up "iwconfig $ifname essid $ssid channel $channel" ";$N" - append if_up "sleep 1" ";$N" - append if_up "ifconfig $ifname up" ";$N" + esac + iwconfig "$ifname" channel "$channel" + ifconfig "$ifname" up local net_cfg bridge net_cfg="$(find_net_config "$vif")" [ -z "$net_cfg" ] || { bridge="$(bridge_interface "$net_cfg")" - append if_up "start_net '$ifname' '$net_cfg'" ";$N" + config_set "$vif" bridge "$bridge" + start_net "$ifname" "$net_cfg" } - # TODO: start hostapd + case "$mode" in + ap) + hostapd_setup_vif "$vif" madwifi || { + echo "enable_atheros($device): Failed to set up wpa for interface $ifname" >&2 + # make sure this wifi interface won't accidentally stay open without encryption + ifconfig "$ifname" down + wlanconfig "$ifname" destroy + continue + } + ;; + wds|sta) + iwconfig "$ifname" essid "$ssid" + # FIXME: implement wpa_supplicant calls here + ;; + esac done - - #killall -KILL $hostapd >&- 2>&- - eval "$if_up" } @@ -136,6 +224,7 @@ config wifi-device $dev config wifi-iface option device $dev +# option network lan option mode ap option ssid OpenWrt option hidden 0 |