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[backfire] backport masq_src and masq_dest options from trunk firewall

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@22901 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2010-09-04 17:20:12 +00:00
parent e320158dac
commit 82293648a1
2 changed files with 52 additions and 9 deletions
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2
package/firewall/Makefile
View File

@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=firewall
PKG_VERSION:=1
PKG_RELEASE:=12
PKG_RELEASE:=13
include $(INCLUDE_DIR)/package.mk

59
package/firewall/files/uci_firewall.sh
View File

@ -69,13 +69,18 @@ addif() {
local network="$1"
local ifname="$2"
local zone="$3"
local masq_src="$4"
local masq_dest="$5"
local n_if n_zone
config_get n_if core "${network}_ifname"
config_get n_zone core "${network}_zone"
[ -n "$n_zone" ] && {
if [ "$n_zone" != "$zone" ]; then
delif "$network" "$n_if" "$n_zone"
local n_masq_src n_masq_dest
config_get n_masq_src core "${n_zone}_masq_src"
config_get n_masq_dest core "${n_zone}_masq_dest"
delif "$network" "$n_if" "$n_zone" "$n_masq_src" "$n_masq_dest"
else
return
fi
@ -90,12 +95,23 @@ addif() {
$IPTABLES -I zone_${zone}_ACCEPT 1 -i "$ifname" -j ACCEPT
$IPTABLES -I zone_${zone}_DROP 1 -i "$ifname" -j DROP
$IPTABLES -I zone_${zone}_REJECT 1 -i "$ifname" -j reject
$IPTABLES -I zone_${zone}_nat 1 -t nat -o "$ifname" -j MASQUERADE
local msrc mdst
for msrc in ${masq_src:-0.0.0.0/0}; do
[ "${msrc#!}" != "$msrc" ] && msrc="! -s ${msrc#!}" || msrc="-s $msrc"
for mdst in ${masq_dest:-0.0.0.0/0}; do
[ "${mdst#!}" != "$mdst" ] && mdst="! -d ${mdst#!}" || mdst="-d $mdst"
$IPTABLES -I zone_${zone}_nat 1 -t nat -o "$ifname" $msrc $mdst -j MASQUERADE
done
done
$IPTABLES -I PREROUTING 1 -t nat -i "$ifname" -j zone_${zone}_prerouting
$IPTABLES -A forward -i "$ifname" -j zone_${zone}_forward
$IPTABLES -t raw -I PREROUTING 1 -i "$ifname" -j zone_${zone}_notrack
uci_set_state firewall core "${network}_ifname" "$ifname"
uci_set_state firewall core "${network}_zone" "$zone"
uci_set_state firewall core "${zone}_masq_src" "$masq_src"
uci_set_state firewall core "${zone}_masq_dest" "$masq_dest"
ACTION=add ZONE="$zone" INTERFACE="$network" DEVICE="$ifname" /sbin/hotplug-call firewall
}
@ -103,6 +119,8 @@ delif() {
local network="$1"
local ifname="$2"
local zone="$3"
local masq_src="$4"
local masq_dest="$5"
logger "removing $network ($ifname) from firewall zone $zone"
$IPTABLES -D input -i "$ifname" -j zone_$zone
@ -113,11 +131,22 @@ delif() {
$IPTABLES -D zone_${zone}_ACCEPT -i "$ifname" -j ACCEPT
$IPTABLES -D zone_${zone}_DROP -i "$ifname" -j DROP
$IPTABLES -D zone_${zone}_REJECT -i "$ifname" -j reject
$IPTABLES -D zone_${zone}_nat -t nat -o "$ifname" -j MASQUERADE
local msrc mdst
for msrc in ${masq_src:-0.0.0.0/0}; do
[ "${msrc#!}" != "$msrc" ] && msrc="! -s ${msrc#!}" || msrc="-s $msrc"
for mdst in ${masq_dest:-0.0.0.0/0}; do
[ "${mdst#!}" != "$mdst" ] && mdst="! -d ${mdst#!}" || mdst="-d $mdst"
$IPTABLES -D zone_${zone}_nat -t nat -o "$ifname" $msrc $mdst -j MASQUERADE
done
done
$IPTABLES -D PREROUTING -t nat -i "$ifname" -j zone_${zone}_prerouting
$IPTABLES -D forward -i "$ifname" -j zone_${zone}_forward
uci_revert_state firewall core "${network}_ifname"
uci_revert_state firewall core "${network}_zone"
uci_revert_state firewall core "${zone}_masq_src"
uci_revert_state firewall core "${zone}_masq_dest"
ACTION=remove ZONE="$zone" INTERFACE="$network" DEVICE="$ifname" /sbin/hotplug-call firewall
}
@ -416,11 +445,19 @@ get_interface_zones() {
local interface="$2"
local name
local network
local masq_src
local masq_dest
config_get name $1 name
config_get network $1 network
config_get masq_src $1 masq_src
config_get masq_dest $1 masq_dest
[ -z "$network" ] && network=$name
for n in $network; do
[ "$n" = "$interface" ] && append add_zone "$name"
[ "$n" = "$interface" ] && {
append add_zone "$name"
append add_masq_src "$masq_src"
append add_masq_dest "$masq_dest"
}
done
}
@ -428,7 +465,9 @@ fw_event() {
local action="$1"
local interface="$2"
local ifname="$(sh -c ". /etc/functions.sh; include /lib/network; scan_interfaces; config_get "$interface" ifname")"
add_zone=
local add_zone=
local add_masq_src=
local add_masq_dest=
local up
[ -z "$ifname" ] && return 0
@ -438,16 +477,20 @@ fw_event() {
case "$action" in
ifup)
for z in $add_zone; do
local loaded
local loaded masq_src masq_dest
config_get loaded core loaded
[ -n "$loaded" ] && addif "$interface" "$ifname" "$z"
[ -n "$loaded" ] && addif "$interface" "$ifname" "$z" "$add_masq_src" "$add_masq_dest"
done
;;
ifdown)
config_get up "$interface" up
logger -t "EVENT" "$action $interface $up"
for z in $ZONE; do
[ "$up" == "1" ] && delif "$interface" "$ifname" "$z"
local masq_src masq_dest
config_get masq_src core "${z}_masq_src"
config_get masq_dest core "${z}_masq_dest"
[ "$up" == "1" ] && delif "$interface" "$ifname" "$z" "$masq_src" "$masq_dest"
done
;;
esac