vcs.maemo.org Git - wpasupplicant/blob - debian/wpasupplicant.wpa-ifupdown.init

   1 #!/bin/sh
   2
   3 ### BEGIN INIT INFO
   4 # Provides:             wpa-ifupdown
   5 # Required-Start:       $network
   6 # Required-Stop:        $network $remote_fs
   7 # Should-Start:
   8 # Should-Stop:
   9 # Default-Start:
  10 # Default-Stop:         0 6
  11 # Short-Description:    Stop wpa_supplicant processes started via ifupdown
  12 # Description:          Run ifdown on interfaces authenticated via
  13 #                       wpa_supplicant. Sendsigs terminates wpa_supplicant
  14 #                       processes before networking is stopped causing each
  15 #                       network interface authenticated via a wpa_supplicant
  16 #                       daemon to be terminated abrubtly.
  17 #                       Since initscripts package version 2.86.ds1-48 an
  18 #                       interface exists to omit process id's from sendsigs. If
  19 #                       this interface is present this script is a no-op.
  20 ### END INIT INFO
  21
  22 PATH=/usr/sbin:/usr/bin:/sbin:/bin
  23
  24 test -d /var/run || exit 0
  25
  26 test -x /sbin/ifdown || exit 0
  27
  28 . /lib/lsb/init-functions
  29
  30 stop_wpa_action () {
  31         test -x /sbin/wpa_action || return 0
  32         IFACES=$(find /var/run -maxdepth 1 -type f -name 'wpa_action.*.pid' -printf '%P\n' | \
  33                 cut -d'.' -f2 2>/dev/null)
  34         if test -n "$IFACES"; then
  35                 log_daemon_msg "Stopping wpa_action roaming interfaces"
  36                 for iface in $IFACES; do
  37                         log_progress_msg "$iface"
  38                         # wpa_action executes /sbin/ifdown
  39                         wpa_action "$iface" stop >/dev/null 2>&1
  40                 done
  41                 log_end_msg 0
  42         fi
  43 }
  44
  45 stop_wpa_supplicant () {
  46         IFACES=$(find /var/run -maxdepth 1 -type f -name 'wpa_supplicant.*.pid' -printf '%P\n' | \
  47                 grep -v wpa_supplicant.dbus.pid | cut -d'.' -f2 2>/dev/null)
  48         if test -n "$IFACES"; then
  49                 log_daemon_msg "Stopping wpa_supplicant interfaces"
  50                 for iface in $IFACES; do
  51                         log_progress_msg "$iface"
  52                         ifdown "$iface" >/dev/null 2>&1
  53                 done
  54                 log_end_msg 0
  55         fi
  56 }
  57
  58 sendsigs_omission_support () {
  59         if [ -d /lib/init/rw/sendsigs.omit.d/ ]; then
  60                 # Debian
  61                 return 0
  62         elif [ -d /var/run/sendsigs.omit.d/ ]; then
  63                 # Ubuntu, cf. https://bugs.launchpad.net/bugs/181541
  64                 return 0
  65         fi
  66
  67         return 1
  68 }
  69
  70 case "$1" in
  71         start|restart|force-reload)
  72                 # No-op
  73                 ;;
  74         stop)
  75                 if sendsigs_omission_support; then
  76                         stop_wpa_action
  77                 else
  78                         stop_wpa_action
  79                         stop_wpa_supplicant
  80                 fi
  81                 ;;
  82         *)
  83                 echo "Usage: $0 {start|stop|restart|force-reload}" >&2
  84                 exit 3
  85                 ;;
  86 esac
  87
  88 exit 0