org.handhelds.familiar/packages/wlan-ng/files/wlan.agent

   1 #!/bin/sh
   2 #
   3 # p80211/wlan hotplug policy agent.
   4 #
   5 # wlan hotplug params include:
   6 #
   7 #       ACTION=%s [register|remove|shutdown|startup|suspend|resume]
   8 #       INTERFACE=%s
   9 #       NSDNAME=%s
  10 #
  11
  12 cd /etc/hotplug
  13 # must have ./ here or busybox shell barfs
  14 . ./hotplug.functions
  15
  16 #DEBUG=yes export DEBUG
  17
  18 if [ "$INTERFACE" = "" ]; then
  19     mesg Bad WLAN invocation: \$INTERFACE is not set
  20     exit 1
  21 fi
  22
  23 if [ "$NSDNAME" = "" ]; then
  24     mesg Bad WLAN invocation: \$NSDNAME is not set
  25     exit 1
  26 fi
  27
  28 debug_mesg WLAN $ACTION on $INTERFACE \($NSDNAME\)
  29
  30 if [ "$NSDNAME" = "prism2_cs" ] ; then
  31     mesg "WLAN Hotplug bypassed for pcmcia"
  32     exit 0
  33 fi
  34
  35 # load up the shared scripts
  36 if [ ! -f /etc/wlan/shared ] ; then
  37     mesg "/etc/wlan/shared not present, aborting"
  38     exit 1
  39 fi
  40
  41 ECHO=mesg
  42 . /etc/wlan/shared
  43
  44 case $ACTION in
  45 'register'|'resume')
  46         eval 'WLAN_ENABLE=$ENABLE_'$INTERFACE
  47         if ! is_true $WLAN_ENABLE ; then
  48             mesg "WLAN $ACTION - interface $INTERFACE not enabled, aborting"
  49             exit 1
  50         fi
  51         debug_mesg WLAN $INTERFACE registered.
  52         wlan_bring_it_up $INTERFACE
  53         if [ $? = 0 ] ; then
  54             mesg WLAN $INTERFACE brought up successfully.
  55                 if [ -x /etc/wlan/network ] ; then
  56                         mesg "WLAN bringing up layer 3+ with /etc/wlan/network"
  57                         /etc/wlan/network start $INTERFACE
  58                 elif [ -x /etc/wlan/pre-ifup ] ; then
  59                         # pre-ifup is presumed to call ifup if it
  60                         #  wants to...it may choose to skip it.
  61                         mesg "WLAN bringing up layer 3+ with /etc/wlan/pre-ifup"
  62                         /etc/wlan/pre-ifup $INTERFACE
  63                 else
  64                         mesg "WLAN bringing up layer 3+ with /sbin/ifup"
  65                         /sbin/ifup $INTERFACE
  66                 fi
  67         else
  68             mesg WLAN Could not bring up $INTERFACE
  69                  exit 1
  70         fi
  71         # eventually invoke net.agent on $INTERFACE w/ REGISTER
  72 ;;
  73 'remove'|'suspend')
  74         debug_mesg WLAN $INTERFACE removed.
  75         eval 'WLAN_ENABLE=$ENABLE_'$INTERFACE
  76         if ! is_true $WLAN_ENABLE ; then
  77             mesg "WLAN $ACTION - interface $INTERFACE not enabled, aborting"
  78             exit 1
  79         fi
  80         if [ -x /etc/wlan/network ] ; then
  81                 mesg "WLAN taking down layer 3+ with /etc/wlan/network"
  82                 /etc/wlan/network stop $INTERFACE
  83         elif [ -x /etc/wlan/post-ifdown ] ; then
  84                 # post-ifdown is presumed to call ifdown if it
  85                 #  wants to...it may choose to skip it.
  86                 mesg "WLAN taking down layer 3+ with /etc/wlan/post-ifdown"
  87                 /etc/wlan/post-ifdown $INTERFACE
  88         else
  89                 mesg "WLAN taking down layer 3+ with /sbin/ifdown"
  90                 /sbin/ifdown $INTERFACE
  91         fi
  92         wlan_disable $INTERFACE
  93 ;;
  94 'startup')
  95         # kick off wland.
  96         debug_mesg WLAN p80211 starting!
  97         start_wland
  98 ;;
  99 'shutdown')
 100         debug_mesg WLAN p80211 shutting down!
 101         stop_wland
 102 ;;
 103 *)
 104     debug_mesg WLAN $ACTION event not supported
 105     exit 1 ;;
 106
 107 esac