From c278e5f8376c637da8ae8cb9e08b628b8fc5e86d Mon Sep 17 00:00:00 2001
From: teastep <teastep@fbd18981-670d-0410-9b5c-8dc0c1a9a2bb>
Date: Sat, 19 May 2007 16:06:01 +0000
Subject: [PATCH] Don't get confused by exotic route types

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@6411 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
---
 Shorewall-common/lib.base | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/Shorewall-common/lib.base b/Shorewall-common/lib.base
index dc1bdb313..959afda93 100644
--- a/Shorewall-common/lib.base
+++ b/Shorewall-common/lib.base
@@ -829,17 +829,22 @@ get_routed_networks() # $1 = interface name, $2-n = Fatal error message
 
     ip route show dev $1 2> /dev/null |
 	while read address rest; do
-	    if [ "x$address" = xdefault ]; then
-		if [ $# -gt 1 ]; then
-		    shift
-		    fatal_error "$@"
-		else
-		    error_message "WARNING: default route ignored on interface $1"
-		fi
-	    else
-		[ "$address" = "${address%/*}" ] && address="${address}/32"
-		echo $address
-	    fi
+	    case "$address" in
+		default)
+		    if [ $# -gt 1 ]; then
+			shift
+			fatal_error "$@"
+		    else
+			echo "WARNING: default route ignored on interface $1"
+		    fi
+		    ;;
+		multicast|broadcast|prohibit|nat|throw|via)
+		    ;;
+		*)
+		    [ "$address" = "${address%/*}" ] && address="${address}/32"
+		    echo $address
+		    ;;
+	    esac
         done
 }