--- /home/teastep/shorewall/branches/3.4/Shorewall/compiler	2007-06-30 08:39:22.000000000 -0700
+++ compiler	2007-07-02 10:15:12.000000000 -0700
@@ -35,6 +35,9 @@
 #	    SHOREWALL_DIR                       A directory name was passed to /sbin/shorewall
 #	    VERBOSE                             Standard Shorewall verbosity control.
 
+MIN_COMMON_VERSION=40000
+MIN_COMMON_VERSION_PRINTABLE=4.0.0
+
 #
 # Fatal error -- stops the compiler after issuing the error message
 #
@@ -673,11 +676,11 @@
     progress_message2 "Compiling IP Forwarding..."
 
     case "$IP_FORWARDING" in
-	On|on)
+	On|on|ON|Yes|yes|YES)
 	    save_progress_message "IP Forwarding Enabled"
 	    save_command "echo 1 > /proc/sys/net/ipv4/ip_forward"
 	    ;;
-	Off|off)
+	Off|off|OFF|No|no|NO)
 	    save_progress_message "IP Forwarding Disabled!"
 	    save_command "echo 0 > /proc/sys/net/ipv4/ip_forward"
 	    ;;
@@ -3767,7 +3770,7 @@
 
 	save_progress_message "Setting up Route Filtering..."
 
-	if [ -z "$ROUTE_FILTER" ]; then
+	if [ "$ROUTE_FILTER" = no ]; then
 	    indent >&3 << __EOF__
 
 for f in /proc/sys/net/ipv4/conf/*; do
@@ -3791,8 +3794,10 @@
 
 	save_command "echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter"
 
-	if [ -n "$ROUTE_FILTER" ]; then
+	if [ "$ROUTE_FILTER" = yes ]; then
 	    save_command "echo 1 > /proc/sys/net/ipv4/conf/default/rp_filter"
+	elif [ "$ROUTE_FILTER" = no ]; then
+	    save_command "echo 0 > /proc/sys/net/ipv4/conf/default/rp_filter"
 	fi
 
 	save_command "[ -n \"\$NOROUTES\" ] || ip route flush cache"
@@ -3808,7 +3813,7 @@
 
 	save_progress_message "Setting up Martian Logging..."
 
-	if [ -z "$LOG_MARTIANS" ]; then
+	if [ "$LOG_MARTIANS" = no ]; then
 	    indent >&3 << __EOF__
 
 for f in /proc/sys/net/ipv4/conf/*; do
@@ -3831,9 +3836,12 @@
 __EOF__
 	    done
 	
-	if [ -n "$LOG_MARTIANS" ]; then
+	if [ "$LOG_MARTIANS" = yes ]; then
 	    save_command "echo 1 > /proc/sys/net/ipv4/conf/all/log_martians"
 	    save_command "echo 1 > /proc/sys/net/ipv4/conf/default/log_martians"
+	elif [ "$LOG_MARTIANS" = no ]; then
+	    save_command "echo 0 > /proc/sys/net/ipv4/conf/all/log_martians"
+	    save_command "echo 0 > /proc/sys/net/ipv4/conf/default/log_martians"
 	fi
 
     fi
@@ -4889,7 +4897,7 @@
 		;;
 	esac
 
-	run_iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN ${match}-j TCPMSS $option
+	run_iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS $option
     }
 
     progress_message2 "Initializing..."
@@ -5731,6 +5739,10 @@
     fi
 done
 
+VERSION=$(cat $SHELLSHAREDIR/version)
+
+[ $SHOREWALL_LIBVERSION -ge $MIN_COMMON_VERSION ] || fatal_error "Shorewall-shell $VERSION requires Shorewall-common >= $MIN_COMMON_VERSION_PRINTABLE" 
+
 PROGRAM=compiler
 
 COMMAND="$1"