X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=package%2Ffirewall%2Ffiles%2Flib%2Ffw.sh;fp=package%2Ffirewall%2Ffiles%2Flib%2Ffw.sh;h=19dddef4433aee9197bd08b1dcaee162b98d8716;hb=2c4bf4b19f72c067cac60883f00153fd5fc3b8f6;hp=16a39b6a66fbe730700734640aadb6545e71fac4;hpb=6660a9c4fcec3f57d665d08802b1ae59494482a5;p=openwrt-10.03%2F.git

diff --git a/package/firewall/files/lib/fw.sh b/package/firewall/files/lib/fw.sh
index 16a39b6a6..19dddef44 100644
--- a/package/firewall/files/lib/fw.sh
+++ b/package/firewall/files/lib/fw.sh
@@ -227,3 +227,20 @@ fw_get_negation() {
 		export -n -- "$_var=! $_flag ${_ipaddr#!}" || \
 		export -n -- "$_var=${_ipaddr:+$_flag $_ipaddr}"
 }
+
+fw_get_subnet4() {
+	local _var="$1"
+	local _flag="$2"
+	local _name="$3"
+
+	local _ipaddr="$(uci_get_state network "${_name#!}" ipaddr)"
+	local _netmask="$(uci_get_state network "${_name#!}" netmask)"
+
+	case "$_ipaddr" in
+		*.*.*.*)
+			[ "${_name#!}" != "$_name" ] && \
+				export -n -- "$_var=! $_flag $_ipaddr/${_netmask:-255.255.255.255}" || \
+				export -n -- "$_var=$_flag $_ipaddr/${_netmask:-255.255.255.255}"
+		;;
+	esac
+}