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-rwxr-xr-xpackage/madwifi/files/lib/wifi/madwifi.sh161
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