package/base-files/files/sbin/wifi

   1 #!/bin/sh
   2 # Copyright (C) 2006 OpenWrt.org
   3
   4 . /etc/functions.sh
   5
   6 find_net_config() {(
   7         local vif="$1"
   8         local cfg
   9         local ifname
  10
  11         config_get cfg "$vif" network
  12
  13         [ -z "$cfg" ] && {
  14                 include /lib/network
  15                 scan_interfaces
  16
  17                 config_get ifname "$vif" ifname
  18
  19                 cfg="$(find_config "$ifname")"
  20         }
  21         [ -z "$cfg" ] && return 0
  22         echo "$cfg"
  23 )}
  24
  25
  26 bridge_interface() {(
  27         local cfg="$1"
  28         [ -z "$cfg" ] && return 0
  29
  30         include /lib/network
  31         scan_interfaces
  32
  33         config_get iftype "$cfg" type
  34         [ "$iftype" = bridge ] && config_get "$cfg" ifname
  35 )}
  36
  37
  38 wifi_updown() {
  39         [ enable = "$1" ] && wifi_updown disable "$2"
  40         for device in ${2:-$DEVICES}; do (
  41                 config_get disabled "$device" disabled
  42                 [ 1 == "$disabled" ] && {
  43                         echo "'$device' is disabled"
  44                         set disable
  45                 }
  46                 config_get iftype "$device" type
  47                 if eval "type ${1}_$iftype" 2>/dev/null >/dev/null; then
  48                         eval "scan_$iftype '$device'"
  49                         eval "${1}_$iftype '$device'" || echo "$device($iftype): ${1} failed"
  50                 else
  51                         echo "$device($iftype): Interface type not supported"
  52                 fi
  53         ); done
  54 }
  55
  56 wifi_detect() {
  57         for driver in ${2:-$DRIVERS}; do (
  58                 if eval "type detect_$driver" 2>/dev/null >/dev/null; then
  59                         eval "detect_$driver" || echo "$driver: Detect failed" >&2
  60                 else
  61                         echo "$driver: Hardware detection not supported" >&2
  62                 fi
  63         ); done
  64 }
  65
  66 start_net() {(
  67         local iface="$1"
  68         local config="$2"
  69
  70         include /lib/network
  71         scan_interfaces
  72         setup_interface "$1" "$2"
  73 )}
  74
  75 set_wifi_up() {
  76         local cfg="$1"
  77         local ifname="$2"
  78         uci set "/var/state/wireless.${cfg}.up=1"
  79         uci set "/var/state/wireless.${cfg}.ifname=$ifname"
  80 }
  81
  82 set_wifi_down() {
  83         local cfg="$1"
  84         local vifs vif vifstr
  85         [ -f /var/state/wireless ] || return
  86
  87         config_get vifs "$cfg" vifs
  88         for vif in $vifs; do
  89                 append vifstr "$vif" "|"
  90         done
  91         FILE="/var/state/wireless.$$"
  92         grep -vE "^config_set '($vifstr)' " /var/state/wireless > "$FILE"
  93         mv "$FILE" /var/state/wireless
  94 }
  95
  96 scan_wifi() {
  97         local cfgfile="$1"
  98         config_cb() {
  99                 config_get TYPE "$CONFIG_SECTION" TYPE
 100                 case "$TYPE" in
 101                         wifi-device)
 102                                 append DEVICES "$CONFIG_SECTION"
 103                         ;;
 104                         wifi-iface)
 105                                 config_get device "$CONFIG_SECTION" device
 106                                 config_get vifs "$device" vifs
 107                                 append vifs "$CONFIG_SECTION"
 108                                 config_set "$device" vifs "$vifs"
 109                         ;;
 110                 esac
 111         }
 112         config_load "${cfgfile:-wireless}"
 113 }
 114
 115 DEVICES=
 116 DRIVERS=
 117 include /lib/wifi
 118 scan_wifi
 119
 120 case "$1" in
 121         down) wifi_updown "disable" "$2";;
 122         detect) wifi_detect "$2";;
 123         *) wifi_updown "enable" "$2";;
 124 esac