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#!/bin/sh
# udev agent script
DAEMON_NAME=ifplugd
DAEMON=/usr/sbin/$DAEMON_NAME
CFG=/etc/default/$DAEMON_NAME
[ -x $DAEMON ] || exit 0
HOTPLUGFUNCS=/lib/udev/hotplug.functions
[ -f $HOTPLUGFUNCS ] || exit 1
. $HOTPLUGFUNCS
DEBUG=yes export DEBUG
[ "$INTERFACE" ] || { mesg Bad invocation: \$INTERFACE is not set ; exit 1 ; }
[ -f $CFG ] || { mesg No $DAEMON_NAME configuration file ; exit 1 ; }
. $CFG
# return true (0) if interface from list $1 is in list $2
# return false (1) otherwise
search_interfaces () {
for IF in $2 ; do
for SEARCH_IF in $1 ; do
if [ "$SEARCH_IF" = "$IF" ] ; then
return 0
fi
done
done
return 1
}
IFPLUGD=/usr/sbin/ifplugd
test -x $IFPLUGD || exit 0
search_interfaces "$INTERFACE" "$INTERFACES"
if [ $? -gt 0 ] ; then
# Interface isn't statically managed by ifplugd
search_interfaces "all $INTERFACE" "$HOTPLUG_INTERFACES"
if [ $? -eq 0 ] ; then
# Interface is in hotplug allowed list
case $ACTION in
add|register)
debug_mesg Invoking $DAEMON_NAME for $INTERFACE
IF1=$(echo $INTERFACE | sed "s/-/_/")
A=$(eval echo \$\{ARGS_${IF1}\})
[ -z "$A" ] && A="$ARGS"
exec $IFPLUGD -i $INTERFACE $A &
;;
remove|unregister)
debug_mesg Stopping $DAEMON_NAME for $INTERFACE
exec $IFPLUGD -k --wait-on-kill -i $INTERFACE &
;;
esac
break
fi
fi
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