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         for device in ${2:-$DEVICES}; do (
  40                 config_get disabled "$device" disabled
  41                 [ 1 == "$disabled" ] && {
  42                         echo "'$device' is disabled"
  43                         set disable
  44                 }
  45                 config_get iftype "$device" type
  46                 if eval "type ${1}_$iftype" 2>/dev/null >/dev/null; then
  47                         eval "scan_$iftype '$device'"
  48                         eval "${1}_$iftype '$device'" || echo "$device($iftype): ${1} failed"
  49                 else
  50                         echo "$device($iftype): Interface type not supported"
  51                 fi
  52         ); done
  53 }
  54
  55 wifi_detect() {
  56         for driver in ${2:-$DRIVERS}; do (
  57                 if eval "type detect_$driver" 2>/dev/null >/dev/null; then
  58                         eval "detect_$driver" || echo "$driver: Detect failed" >&2
  59                 else
  60                         echo "$driver: Hardware detection not supported" >&2
  61                 fi
  62         ); done
  63 }
  64
  65 start_net() {(
  66         local iface="$1"
  67         local config="$2"
  68
  69         include /lib/network
  70         scan_interfaces
  71         setup_interface "$1" "$2"
  72 )}
  73
  74 scan_wifi() {
  75         local cfgfile="$1"
  76         config_cb() {
  77                 config_get TYPE "$CONFIG_SECTION" TYPE
  78                 case "$TYPE" in
  79                         wifi-device)
  80                                 append DEVICES "$CONFIG_SECTION"
  81                         ;;
  82                         wifi-iface)
  83                                 config_get device "$CONFIG_SECTION" device
  84                                 config_get vifs "$device" vifs
  85                                 append vifs "$CONFIG_SECTION"
  86                                 config_set "$device" vifs "$vifs"
  87                         ;;
  88                 esac
  89         }
  90         config_load "${cfgfile:-wireless}"
  91 }
  92
  93 DEVICES=
  94 DRIVERS=
  95 include /lib/wifi
  96 scan_wifi
  97
  98 case "$1" in
  99         down) wifi_updown "disable" "$2";;
 100         detect) wifi_detect "$2";;
 101         *) wifi_updown "enable" "$2";;
 102 esac