X-Git-Url: http://lab.mitty.jp/git/?a=blobdiff_plain;f=iptables%2Fsetlan2wan.sh;fp=iptables%2Fsetlan2wan.sh;h=55949494d700a862d0520819ea9b5322b10a15fa;hb=3a5184c7b3a10b965dc4c8aa112251f8b756da8a;hp=ac9c617665de92914a2e6fdf077744d9e6189150;hpb=7c270d4dd09b93118b652bfd994edfeda5a6b2a0;p=lab.git

diff --git a/iptables/setlan2wan.sh b/iptables/setlan2wan.sh
index ac9c617..5594949 100644
--- a/iptables/setlan2wan.sh
+++ b/iptables/setlan2wan.sh
@@ -12,16 +12,14 @@ set -x
 # PHASE  as per MODE, but with finer granularity, distinguishing the pre-
 #        up, post-up, pre-down and post-down phases.
 
-LANIF="${1:?"usage: $0 <LAN_device> "}"
-
-LANIP=`/sbin/ip addr show dev ${LANIF} | grep -w inet | tr -s ' ' | cut -d ' ' -f 3 | cut -d / -f 1`
-LANMASK=`/sbin/ip route show dev ${LANIF} | grep -w ${LANIP} | tr -s ' ' | cut -d ' ' -f 1`
+LANIF="${1:?"usage: $0 <LAN_device> <IPADDR> "}"
+LANIP="${2:?"usage: $0 <LAN_device> <IPADDR> "}"
 
 WANIP=`/sbin/ip addr show dev ${IFACE} | grep -w inet | tr -s ' ' | cut -d ' ' -f 3 | cut -d / -f 1`
 
 if [ "${PHASE}" = "pre-down" ]; then
     # delete rule and exit
-    /sbin/iptables -t nat -D PREROUTING -i ${LANIF} -s ${LANMASK} -d ${WANIP} -j DNAT --to-destination ${LANIP}
+    /sbin/iptables -t nat -D PREROUTING -i ${LANIF} -d ${WANIP} -j DNAT --to-destination ${LANIP}
     echo "remove rule for access to WAN device on router node from LAN clients"
     exit
 fi
@@ -31,7 +29,7 @@ fi
 (
 sleep 60
 
-/sbin/iptables -t nat -A PREROUTING -i ${LANIF} -s ${LANMASK} -d ${WANIP} -j DNAT --to-destination ${LANIP}
+/sbin/iptables -t nat -A PREROUTING -i ${LANIF} -d ${WANIP} -j DNAT --to-destination ${LANIP}
 echo "set rule for access to WAN device on router node from LAN clients"
 
 ) &