[package] adds a --help option to /sbin/wifi

[openwrt.git] / package / base-files / files / sbin / wifi

diff --git a/package/base-files/files/sbin/wifi b/package/base-files/files/sbin/wifi
index 272aa16..e2dd0a3 100755 (executable)
--- a/package/base-files/files/sbin/wifi
+++ b/package/base-files/files/sbin/wifi
@@ -3,6 +3,14 @@
 
 . /etc/functions.sh
 
+usage() {
+       cat <<EOF
+Usage: $0 [down|detect]
+enables (default), disables or detects a wifi configuration.
+EOF
+       exit 1
+}
+
 find_net_config() {(
        local vif="$1"
        local cfg
@@ -34,25 +42,70 @@ bridge_interface() {(
        [ "$iftype" = bridge ] && config_get "$cfg" ifname
 )}
 
+prepare_key_wep() {
+       local key="$1"
+       local hex=1
 
-wifi_up() {
-       for device in ${2:-$DEVICES}; do (
-               config_get iftype "$device" type
-               if eval "type enable_$iftype" 2>/dev/null >/dev/null; then
-                       eval "scan_$iftype '$device'"
-                       eval "enable_$iftype '$device'" || echo "$device($iftype): Setup failed"
-               else
-                       echo "$device($iftype): Interface type not supported"
-               fi
-       ); done
+       echo -n "$key" | grep -qE "[^a-fA-F0-9]" && hex=0
+       [ "${#key}" -eq 10 -a $hex -eq 1 ] || \
+       [ "${#key}" -eq 26 -a $hex -eq 1 ] || {
+               [ "${key:0:2}" = "s:" ] && key="${key#s:}"
+               key="$(echo -n "$key" | hexdump -ve '1/1 "%02x" ""')"
+       }
+       echo "$key"
 }
 
-wifi_down() {
+wifi_fixup_hwmode() {
+       local device="$1"
+       local default="$2"
+       local hwmode hwmode_11n
+
+       config_get channel "$device" channel
+       config_get hwmode "$device" hwmode
+       case "$hwmode" in
+               11bg) hwmode=bg;;
+               11a) hwmode=a;;
+               11b) hwmode=b;;
+               11g) hwmode=g;;
+               11n*)
+                       hwmode_11n="${hwmode##11n}"
+                       case "$hwmode_11n" in
+                               a|g) ;;
+                               default) hwmode_11n="$default"
+                       esac
+                       config_set "$device" hwmode_11n "$hwmode_11n"
+               ;;
+               *)
+                       hwmode=
+                       if [ "${channel:-0}" -gt 0 ]; then 
+                               if [ "${channel:-0}" -gt 14 ]; then
+                                       hwmode=a
+                               else
+                                       hwmode=g
+                               fi
+                       else
+                               hwmode="$default"
+                       fi
+               ;;
+       esac
+       config_set "$device" hwmode "$hwmode"
+}
+
+wifi_updown() {
+       [ enable = "$1" ] && {
+               wifi_updown disable "$2"
+               scan_wifi
+       }
        for device in ${2:-$DEVICES}; do (
+               config_get disabled "$device" disabled
+               [ 1 == "$disabled" ] && {
+                       echo "'$device' is disabled"
+                       set disable
+               }
                config_get iftype "$device" type
-               if eval "type disable_$iftype" 2>/dev/null >/dev/null; then
+               if eval "type ${1}_$iftype" 2>/dev/null >/dev/null; then
                        eval "scan_$iftype '$device'"
-                       eval "disable_$iftype '$device'" || echo "$device($iftype): Disable failed"
+                       eval "${1}_$iftype '$device'" || echo "$device($iftype): ${1} failed"
                else
                        echo "$device($iftype): Interface type not supported"
                fi
@@ -72,45 +125,72 @@ wifi_detect() {
 start_net() {(
        local iface="$1"
        local config="$2"
+       local vifmac="$3"
 
+       [ -f "/var/run/$iface.pid" ] && kill "$(cat /var/run/${iface}.pid)" 2>/dev/null
        include /lib/network
        scan_interfaces
-       setup_interface "$1" "$2"
+       setup_interface "$iface" "$config" "" "$vifmac"
 )}
 
-config_get_bool() {
-       local _tmp
-       config_get "$1" "$2" "$3"
-       eval "_tmp=\$$1"
-       case "$_tmp" in
-               1|on|enabled) eval "$1=1";;
-               0|off|disabled) eval "$1=0";;
-               *) eval "$1=${4:-0}";;
-       esac
+set_wifi_up() {
+       local cfg="$1"
+       local ifname="$2"
+       uci_set_state wireless "$cfg" up 1
+       uci_set_state wireless "$cfg" ifname "$ifname"
 }
 
-config_cb() {
-       config_get TYPE "$CONFIG_SECTION" TYPE
-       case "$TYPE" in
-               wifi-device)
-                       append DEVICES "$CONFIG_SECTION"
-               ;;
-               wifi-iface)
-                       config_get device "$CONFIG_SECTION" device
-                       config_get vifs "$device" vifs 
-                       append vifs "$CONFIG_SECTION"
-                       config_set "$device" vifs "$vifs"
-               ;;
-       esac
+set_wifi_down() {
+       local cfg="$1"
+       local vifs vif vifstr
+
+       [ -f "/var/run/wifi-${cfg}.pid" ] &&
+               kill "$(cat "/var/run/wifi-${cfg}.pid")" 2>/dev/null
+       uci_revert_state wireless "$cfg"
+       config_get vifs "$cfg" vifs
+       for vif in $vifs; do
+               uci_revert_state wireless "$vif"
+       done
+}
+
+scan_wifi() {
+       local cfgfile="$1"
+       DEVICES=
+       config_cb() {
+               local type="$1"
+               local section="$2"
+
+               # section start
+               case "$type" in
+                       wifi-device)
+                               append DEVICES "$section"
+                               config_set "$section" vifs ""
+                               config_set "$section" ht_capab ""
+                       ;;
+               esac
+
+               # section end
+               config_get TYPE "$CONFIG_SECTION" TYPE
+               case "$TYPE" in
+                       wifi-iface)
+                               config_get device "$CONFIG_SECTION" device
+                               config_get vifs "$device" vifs 
+                               append vifs "$CONFIG_SECTION"
+                               config_set "$device" vifs "$vifs"
+                       ;;
+               esac
+       }
+       config_load "${cfgfile:-wireless}"
 }
 
 DEVICES=
 DRIVERS=
-config_load wireless
 include /lib/wifi
+scan_wifi
 
 case "$1" in
-       down) wifi_down "$2";;
+       down) wifi_updown "disable" "$2";;
        detect) wifi_detect "$2";;
-       *) wifi_up "$2";;
+       --help|help) usage;;
+       *) wifi_updown "enable" "$2";;
 esac