git.maemo.org Git - wpasupplicant/blob - debian/ifupdown/action_wpa.sh

   1 #!/bin/sh
   2
   3 # Action script to enable/disable wpa-roam interfaces in reaction to
   4 # pm-action or ifplugd events.
   5 #
   6 # Copyright: Copyright (c) 2008, Kel Modderman <kel@otaku42.de>
   7 # License:   GPL-2
   8 #
   9
  10 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  11
  12 if [ ! -x /sbin/wpa_action ]; then
  13         exit 0
  14 fi
  15
  16 SELF=action_wpa
  17 COMMAND=
  18 IFPLUGD_IFACE=
  19
  20 # pm-action(8) - <action> <suspend method>
  21 #
  22 # On suspend|hibernate, disconnect any wpa-roam managed interfaces,
  23 # reconnect it on resume.
  24
  25 case "${1}" in
  26         suspend|hibernate)
  27                 COMMAND=disconnect
  28                 ;;
  29         resume|thaw)
  30                 COMMAND=reconnect
  31                 ;;
  32 esac
  33
  34 if [ -z "$COMMAND" ]; then
  35         # ifplugd(8) - <iface> <action>
  36         #
  37         # If an ifplugd managed interface is brought up, disconnect any
  38         # wpa-roam managed interfaces so that only one "roaming" interface
  39         # remains active on the system.
  40
  41         IFPLUGD_IFACE="${1}"
  42
  43         case "${2}" in
  44                 up)
  45                         COMMAND=disconnect
  46                         ;;
  47                 down)
  48                         COMMAND=reconnect
  49                         ;;
  50                 *)
  51                         echo "${SELF}: unknown $0 arguments: ${@}" >&2
  52                         exit 1
  53                         ;;
  54         esac
  55 fi
  56
  57 if [ -z "$COMMAND" ]; then
  58         echo "${SELF}: unknown arguments: ${@}" >&2
  59         exit 1
  60 fi
  61
  62 for CTRL in /var/run/wpa_supplicant/*; do
  63         [ -S "${CTRL}" ] || continue
  64
  65         IFACE="${CTRL#/var/run/wpa_supplicant/}"
  66
  67         wpa_action "${IFACE}" check || continue
  68
  69         if [ "${IFPLUGD_IFACE}" ] && [ "${IFPLUGD_IFACE}" = "${IFACE}" ]; then
  70                 # if ifplugd is managing this interface (not likely but..)
  71                 # do nothing
  72                 continue
  73         fi
  74
  75         wpa_cli -i "${IFACE}" "${COMMAND}"
  76 done