package/base-files/default/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" ifnamea
  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_up() {
  39         for device in ${2:-$DEVICES}; do (
  40                 config_get iftype "$device" type
  41                 if eval "type enable_$iftype" 2>/dev/null >/dev/null; then
  42                         eval "scan_$iftype '$device'"
  43                         eval "enable_$iftype '$device'" || echo "$device($iftype): Setup failed"
  44                 else
  45                         echo "$device($iftype): Interface type not supported"
  46                 fi
  47         ); done
  48 }
  49
  50 wifi_down() {
  51         for device in ${2:-$DEVICES}; do (
  52                 config_get iftype "$device" type
  53                 if eval "type disable_$iftype" 2>/dev/null >/dev/null; then
  54                         eval "scan_$iftype '$device'"
  55                         eval "disable_$iftype '$device'" || echo "$device($iftype): Disable failed"
  56                 else
  57                         echo "$device($iftype): Interface type not supported"
  58                 fi
  59         ); done
  60 }
  61
  62 wifi_detect() {
  63         for driver in ${2:-$DRIVERS}; do (
  64                 if eval "type detect_$driver" 2>/dev/null >/dev/null; then
  65                         eval "detect_$driver" || echo "$driver: Detect failed" >&2
  66                 else
  67                         echo "$driver: Hardware detection not supported" >&2
  68                 fi
  69         ); done
  70 }
  71
  72 start_net() {(
  73         local iface="$1"
  74         local config="$2"
  75
  76         include /lib/network
  77         scan_interfaces
  78         setup_interface "$1" "$2"
  79 )}
  80
  81 config_get_bool() {
  82         local _tmp
  83         config_get "$1" "$2" "$3"
  84         eval "_tmp=\$$1"
  85         case "$_tmp" in
  86                 1|on|enabled) eval "$1=1";;
  87                 0|off|disabled) eval "$1=0";;
  88                 *) eval "$1=${4:-0}";;
  89         esac
  90 }
  91
  92 config_cb() {
  93         config_get TYPE "$CONFIG_SECTION" TYPE
  94         case "$TYPE" in
  95                 wifi-device)
  96                         append DEVICES "$CONFIG_SECTION"
  97                 ;;
  98                 wifi-iface)
  99                         config_get device "$CONFIG_SECTION" device
 100                         config_get vifs "$device" vifs
 101                         append vifs "$CONFIG_SECTION"
 102                         config_set "$device" vifs "$vifs"
 103                 ;;
 104         esac
 105 }
 106
 107 DEVICES=
 108 DRIVERS=
 109 config_load wireless
 110 include /lib/wifi
 111
 112 case "$1" in
 113         down) wifi_down "$2";;
 114         detect) wifi_detect "$2";;
 115         *) wifi_up "$2";;
 116 esac