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authorjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-09-05 19:03:17 +0000
committerjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-09-05 19:03:17 +0000
commit750dead7922e939ee1d957cfb6b7f0ce65061067 (patch)
tree1895f8a402ccfdc1855ec905a8a1eb9a4115a2be /package
parent6f8d5efb9d2c5e557c973bdaf5b54ed5eaa5d670 (diff)
[package] firewall: introduce SNAT support for redirect sections
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22937 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package')
-rw-r--r--package/firewall/Makefile2
-rw-r--r--package/firewall/files/lib/core_redirect.sh16
-rw-r--r--package/firewall/files/reflection.hotplug5
3 files changed, 19 insertions, 4 deletions
diff --git a/package/firewall/Makefile b/package/firewall/Makefile
index 599126ae1..b6d42ceba 100644
--- a/package/firewall/Makefile
+++ b/package/firewall/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=firewall
PKG_VERSION:=2
-PKG_RELEASE:=11
+PKG_RELEASE:=12
include $(INCLUDE_DIR)/package.mk
diff --git a/package/firewall/files/lib/core_redirect.sh b/package/firewall/files/lib/core_redirect.sh
index 15d01b0a7..913f96356 100644
--- a/package/firewall/files/lib/core_redirect.sh
+++ b/package/firewall/files/lib/core_redirect.sh
@@ -17,6 +17,7 @@ fw_config_get_redirect() {
string dest_port "" \
string proto "tcpudp" \
string family "" \
+ string target "DNAT" \
} || return
[ -n "$redirect_name" ] || redirect_name=$redirect__name
}
@@ -30,6 +31,17 @@ fw_load_redirect() {
fw_die "redirect ${redirect_name}: needs src and dest_ip or dest_port"
}
+ local chain destopt
+ if [ "$redirect_target" == "DNAT" ]; then
+ chain="zone_${redirect_src}_prerouting"
+ destopt="--to-destination"
+ elif [ "$redirect_target" == "SNAT" ]; then
+ chain="zone_${redirect_src}_nat"
+ destopt="--to-source"
+ else
+ fw_die "redirect ${redirect_name}: target must be either DNAT or SNAT"
+ fi
+
list_contains FW_CONNTRACK_ZONES $redirect_src || \
append FW_CONNTRACK_ZONES $redirect_src
@@ -43,14 +55,14 @@ fw_load_redirect() {
[ "$redirect_proto" == "tcpudp" ] && redirect_proto="tcp udp"
for redirect_proto in $redirect_proto; do
- fw add $mode n zone_${redirect_src}_prerouting DNAT $ { $redirect_src_ip $redirect_dest_ip } { \
+ fw add $mode n $chain $redirect_target $ { $redirect_src_ip $redirect_dest_ip } { \
${redirect_proto:+-p $redirect_proto} \
${redirect_src_ip:+-s $redirect_src_ip/$redirect_src_ip_prefixlen} \
${redirect_src_dip:+-d $redirect_src_dip/$redirect_src_dip_prefixlen} \
${redirect_src_port:+--sport $redirect_src_port} \
${redirect_src_dport:+--dport $redirect_src_dport} \
${redirect_src_mac:+-m mac --mac-source $redirect_src_mac} \
- --to-destination ${redirect_dest_ip}${redirect_dest_port:+:$nat_dest_port} \
+ $destopt ${redirect_dest_ip}${redirect_dest_port:+:$nat_dest_port} \
}
[ -n "$redirect_dest_ip" ] && \
diff --git a/package/firewall/files/reflection.hotplug b/package/firewall/files/reflection.hotplug
index 6b1cd60f2..027d2ed8b 100644
--- a/package/firewall/files/reflection.hotplug
+++ b/package/firewall/files/reflection.hotplug
@@ -41,7 +41,10 @@ if [ "$ACTION" = "add" ] && [ "$INTERFACE" = "wan" ]; then
local src
config_get src "$cfg" src
- [ "$src" = wan ] && {
+ local target
+ config_get target "$cfg" target DNAT
+
+ [ "$src" = wan ] && [ "$target" = DNAT ] && {
local dest
config_get dest "$cfg" dest "lan"