code.vuplus.com Git - vuplus_openvuplus_3.0/blob - meta-openvuplus/recipes-connectivity/wpa-supplicant/wpa-supplicant/action_wpa.sh

   1 #!/bin/sh
   2
   3 # Action script to enable/disable wpa-roam interfaces in reaction to
   4 # ifplugd events.
   5 #
   6 # Copyright: Copyright (c) 2008-2010, Kel Modderman <kel@otaku42.de>
   7 # License:   GPL-2
   8 #
   9
  10 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  11
  12 if [ ! -x /usr/sbin/wpa_action ]; then
  13         exit 0
  14 fi
  15
  16 # ifplugd(8) - <iface> <action>
  17 #
  18 # If an ifplugd managed interface is brought up, disconnect any
  19 # wpa-roam managed interfaces so that only one "roaming" interface
  20 # remains active on the system.
  21
  22 IFPLUGD_IFACE="${1}"
  23
  24 case "${2}" in
  25         up)
  26                 COMMAND=disconnect
  27                 ;;
  28         down)
  29                 COMMAND=reconnect
  30                 ;;
  31         *)
  32                 echo "$0: unknown arguments: ${@}" >&2
  33                 exit 1
  34                 ;;
  35 esac
  36
  37 for CTRL in /var/run/wpa_supplicant/*; do
  38         [ -S "${CTRL}" ] || continue
  39
  40         IFACE="${CTRL#/var/run/wpa_supplicant/}"
  41
  42         # skip if ifplugd is managing this interface
  43         if [ "${IFPLUGD_IFACE}" = "${IFACE}" ]; then
  44                 continue
  45         fi
  46
  47         if wpa_action "${IFACE}" check; then
  48                 wpa_cli -i "${IFACE}" "${COMMAND}"
  49         fi
  50 done