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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"
svc -u fw
exit
fi
# "config": we've got the address
# Record information for e.g. dhcp_$IF_pinger service
env >"env.out"
./convert2ipconf "$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"
svc -u fw
fi
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