#!/bin/bash
PATH=/sbin:/usr/sbin/:/bin:/usr/bin

cd /etc/sysconfig/network-scripts
. network-functions

CONFIG=$1
[ -f "${CONFIG}" ] || CONFIG=ifcfg-${1}
source_config

if [ -n "$IKE_PSK" ]; then
  KEYING=automatic
  IKE_METHOD=PSK
fi
 
if [ -n "$IKE_CERTFILE" ]; then
  KEYING=automatic
  IKE_METHOD=X509
fi
 
if [ -n "$IKE_PEER_CERTFILE" ]; then
  KEYING=automatic
  IKE_METHOD=X509
fi

if [ -n "$IKE_DNSSEC" ]; then
  KEYING=automatic
  IKE_METHOD=X509
fi
if [ -n "$RSA_KEY" ]; then
  KEYING=automatic
  IKE_METHOD=RSA
fi

[ -z "$KEYING" ] && KEYING=manual

if [ -z "$SRC" ]; then
    SRC=`ip -o route get to $DST | sed "s|.*src \([^ ]*\).*|\1|"`
fi

if [ "$KEYING" = "manual" ]; then
    setkey -c << EOF
delete $SRC $DST ah $SPI_AH_OUT;
delete $DST $SRC ah $SPI_AH_IN;
delete $SRC $DST esp $SPI_ESP_OUT;
delete $DST $SRC esp $SPI_ESP_IN;
EOF
fi

setkey -c << EOF
spddelete $SRC $DST any -P out;
spddelete $DST $SRC any -P in;
EOF

if [ "$KEYING" = "automatic" ]; then
   racoontmp=`mktemp /etc/racoon/racoon.XXXXXX`
   grep -v "^include \"/etc/racoon/$DST.conf\"" /etc/racoon/racoon.conf >> $racoontmp
   mv -f $racoontmp /etc/racoon/racoon.conf
   pidof -x /usr/sbin/racoon > /dev/null 2>&1 && killall -HUP /usr/sbin/racoon
fi

/etc/sysconfig/network-scripts/ifdown-post $CONFIG