recipes/wpa-supplicant/wpa-supplicant-2.6/wpa-supplicant.sh

   1 #!/bin/sh
   2
   3
   4 WPA_SUP_BIN="/usr/sbin/wpa_supplicant"
   5 WPA_SUP_PNAME="wpa_supplicant"
   6 WPA_SUP_PIDFILE="/var/run/wpa_supplicant.$IFACE.pid"
   7 WPA_SUP_OPTIONS="-B -P $WPA_SUP_PIDFILE -i $IFACE"
   8
   9 VERBOSITY=0
  10
  11
  12 if [ -s "$IF_WPA_CONF" ]; then
  13         WPA_SUP_CONF="-c $IF_WPA_CONF"
  14 else
  15         exit 0
  16 fi
  17
  18 if [ ! -x "$WPA_SUP_BIN" ]; then
  19
  20         if [ "$VERBOSITY" = "1" ]; then
  21                 echo "$WPA_SUP_PNAME: binaries not executable or missing from $WPA_SUP_BIN"
  22         fi
  23
  24         exit 1
  25 fi
  26
  27 if [ "$MODE" = "start" ] ; then
  28         # driver type of interface, defaults to wext when undefined
  29         if [ -s "/etc/wpa_supplicant/driver.$IFACE" ]; then
  30                 IF_WPA_DRIVER=$(cat "/etc/wpa_supplicant/driver.$IFACE")
  31         elif [ -z "$IF_WPA_DRIVER" ]; then
  32
  33                 if [ "$VERBOSITY" = "1" ]; then
  34                         echo "$WPA_SUP_PNAME: wpa-driver not provided, using \"wext\""
  35                 fi
  36
  37                 IF_WPA_DRIVER="wext"
  38         fi
  39
  40         # if we have passed the criteria, start wpa_supplicant
  41         if [ -n "$WPA_SUP_CONF" ]; then
  42
  43                 if [ "$VERBOSITY" = "1" ]; then
  44                         echo "$WPA_SUP_PNAME: $WPA_SUP_BIN $WPA_SUP_OPTIONS $WPA_SUP_CONF -D $IF_WPA_DRIVER"
  45                 fi
  46
  47                 start-stop-daemon --start --quiet \
  48                         --name $WPA_SUP_PNAME --startas $WPA_SUP_BIN --pidfile $WPA_SUP_PIDFILE \
  49                         --  $WPA_SUP_OPTIONS $WPA_SUP_CONF -D $IF_WPA_DRIVER
  50         fi
  51
  52         # if the interface socket exists, then wpa_supplicant was invoked successfully
  53         if [ -S "$WPA_COMMON_CTRL_IFACE/$IFACE" ]; then
  54
  55                 if [ "$VERBOSITY" = "1" ]; then
  56                         echo "$WPA_SUP_PNAME: ctrl_interface socket located at $WPA_COMMON_CTRL_IFACE/$IFACE"
  57                 fi
  58
  59                 exit 0
  60
  61         fi
  62
  63 elif [ "$MODE" = "stop" ]; then
  64
  65         if [ -f "$WPA_SUP_PIDFILE" ]; then
  66
  67                 if [ "$VERBOSITY" = "1" ]; then
  68                         echo "$WPA_SUP_PNAME: terminating $WPA_SUP_PNAME daemon"
  69                 fi
  70
  71                 start-stop-daemon --stop --quiet \
  72                         --name $WPA_SUP_PNAME --pidfile $WPA_SUP_PIDFILE
  73
  74                 if [ -S "$WPA_COMMON_CTRL_IFACE/$IFACE" ]; then
  75                         rm -f $WPA_COMMON_CTRL_IFACE/$IFACE
  76                 fi
  77
  78                 if [ -f "$WPA_SUP_PIDFILE" ]; then
  79                         rm -f $WPA_SUP_PIDFILE
  80                 fi
  81         fi
  82
  83 fi
  84
  85 exit 0