From a3fa1548cd9ec2a6ceb8037005ac24a2ed365a78 Mon Sep 17 00:00:00 2001
From: Bill Nottingham <notting@redhat.com>
Date: Wed, 17 Jul 2002 04:53:32 +0000
Subject: use iptables & our lokkit chain

---
 sysconfig/network-scripts/ifup      | 9 ++++-----
 sysconfig/network-scripts/ifup-post | 8 ++++----
 2 files changed, 8 insertions(+), 9 deletions(-)

(limited to 'sysconfig/network-scripts')

diff --git a/sysconfig/network-scripts/ifup b/sysconfig/network-scripts/ifup
index 1313d380..029cf6d9 100755
--- a/sysconfig/network-scripts/ifup
+++ b/sysconfig/network-scripts/ifup
@@ -127,8 +127,7 @@ fi
 
 # Is there a firewall running, and does it look like one we configured?
 FWACTIVE=
-if [ -f /etc/sysconfig/ipchains -a \
-    "`ipchains -L input -n 2>&1 | awk 'END { print NR }'`" -gt 1 ]; then
+if iptables -L 2>/dev/null | grep -q RH-Lokkit-0-50-INPUT ; then
     FWACTIVE=1
 fi
 
@@ -179,7 +178,7 @@ if [ -n "${DYNCONFIG}" ]; then
     # what DNS server they're using until they are done.
     FWHACK=
     if [ -n "$FWACTIVE" -a "$FIREWALL_MODS" != "no" ]; then
-        ipchains -I input -s 0/0 53 -d 0/0 1025:65535 -p udp -j ACCEPT
+        iptables -A RH-Lokkit-0-50-INPUT -s 0/0 --sport 53 -d 0/0 --dport 1025:65535 -p udp -m udp -j ACCEPT
 	FWHACK=1
     fi
     
@@ -191,11 +190,11 @@ if [ -n "${DYNCONFIG}" ]; then
 	echo $" done."
     else
 	echo $" failed."
-	[ -n "$FWHACK" ] && ipchains -D input -s 0/0 53 -d 0/0 1025:65535 -p udp -j ACCEPT
+	[ -n "$FWHACK" ] && iptables -D RH-Lokkit-0-50-INPUT -s 0/0 --sport 53 -d 0/0 --dport 1025:65535 -p udp -m udp -j ACCEPT
 	exit 1
     fi
 
-    [ -n "$FWHACK" ] && ipchains -D input -s 0/0 53 -d 0/0 1025:65535 -p udp -j ACCEPT
+    [ -n "$FWHACK" ] && iptables -D RH-Lokkit-0-50-INPUT -s 0/0 --sport 53 -d 0/0 --dport 1025:65535 -p udp -m udp -j ACCEPT
 
     # DHCP likes to create duplicate routes.  Fix that up.
     NUMDEFROUTES=`ip -o route | \
diff --git a/sysconfig/network-scripts/ifup-post b/sysconfig/network-scripts/ifup-post
index bd716553..a2616aae 100755
--- a/sysconfig/network-scripts/ifup-post
+++ b/sysconfig/network-scripts/ifup-post
@@ -79,13 +79,13 @@ if [ "$PEERDNS" != "no" -o -n "$RESOLV_MODS" -a "$RESOLV_MODS" != "no" ]; then
   fi
 fi
 
-if [ "$FIREWALL_MODS" != "no" -a -f /etc/sysconfig/ipchains -a \
-	"`ipchains -L input -n 2>&1 | awk 'END { print NR }'`" -gt 1 ]; then
+if [ "$FIREWALL_MODS" != "no" -a -f /etc/sysconfig/ipchains ] && \
+      iptables -L 2>/dev/null | grep -q RH-Lokkit-0-50-INPUT ; then
 	ns=`awk '/^nameserver / { print $2 }' /etc/resolv.conf`
 	if [ -n "$ns" ]; then
 		for nameserver in $ns ; do
-			if ! ipchains -L input -n | grep -q $nameserver ; then
-				ipchains -I input -s $nameserver/32 53 -d 0/0 1025:65535 -p udp -j ACCEPT
+			if ! iptables -L RH-Lokkit-0-50-INPUT -n | grep -q $nameserver ; then
+				iptables -A RH-Lokkit-0-50-INPUT -s $nameserver/32 --sport 53 -d 0/0 --dport 1025:65535 -p udp -m udp -j ACCEPT
 				[ -x /usr/bin/logger ] && logger $"punching nameserver $nameserver through the firewall"
 			fi
 		done
-- 
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