Fix adding range of aliases

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@730 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

STABLE/firewall

@@ -3002,15 +3002,17 @@ setup_masq()
 	esac
 
 	if [ -n "$address" -a -n "$ADD_SNAT_ALIASES" ]; then
-	    for addr in `ip_range $address` ; do
-		if ! list_search $addr $aliases_to_add; then
-		    aliases_to_add="$aliases_to_add $addr $fullinterface"
-		    case $fullinterface in
-		    *:*)
-			fullinterface=${fullinterface%:*}:$((${fullinterface#*:} + 1 ))
-			;;
-		    esac
-		fi
+	    for addr in `separate_list $address`; do
+		for addr1 in `ip_range_explicit $addr` ; do
+		    if ! list_search $addr1 $aliases_to_add; then
+			aliases_to_add="$aliases_to_add $addr1 $fullinterface"
+			case $fullinterface in
+			    *:*)
+				fullinterface=${fullinterface%:*}:$((${fullinterface#*:} + 1 ))
+				;;
+			esac
+		    fi
+		done
 	    done
 	fi
 

STABLE/functions

@@ -308,6 +308,33 @@ ip_range() {
     done
 }
 
+ip_range_explicit() {
+    local first last
+
+    case $1 in 
+    [0-9]*.*.*.*-*.*.*.*)
+	;;
+    *)
+	echo $1
+	return
+	;;
+    esac
+
+    first=`decodeaddr ${1%-*}`
+    last=`decodeaddr ${1#*-}`
+
+    if [ $first -gt $last ]; then
+	fatal_error "Invalid IP address range: $1"
+    fi
+
+    l=$(( $last + 1 ))
+
+    while [ $first -le $last ]; do
+	echo `encodeaddr $first`
+	first=$(($first + 1))
+    done
+}
+
 #
 # Netmask from CIDR
 #