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#!/bin/sh
# executed by zcip
# parameters: $1 and environment
# $1 is:
#
# init: zcip starts. Environment:
# interface=eth0
#
# config: Address is obtained.
# interface=eth0
# ip=169.254.a.b
#
# deconfig: Conflict or link went down.
# interface=eth0

service=${PWD##*/}
file_ipconf="$service.ipconf"
dir_ipconf="/var/run/service/fw"

exec >/dev/null
#exec >>"$0.out"  #debug
exec 2>&1

echo "`date`: Params: $*"

if test x"$1" != x"config"; then
	# Reconfigure network with this interface disabled
	echo "Deconfiguring"
	rm "$file_ipconf"
	rm "$dir_ipconf/$file_ipconf"
	sv u /var/service/fw
	exit
fi

# "config": we've got the address
#env # debug

./convert2ipconf "$file_ipconf"
# Reconfigure routing and firewall if needed
diff --brief "$file_ipconf" "$dir_ipconf/$file_ipconf" >/dev/null 2>&1
if test $? != 0; then
	echo "Reconfiguring fw"
	mkdir -p "$dir_ipconf" 2>/dev/null
	cp "$file_ipconf" "$dir_ipconf/$file_ipconf"
	sv u /var/service/fw
fi