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firewall: allow symbolic names of interfaces and aliases in masq_src and masq_dest

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SVN-Revision: 27196
This commit is contained in:
Jo-Philipp Wich 2011-06-16 21:54:59 +00:00
parent b97459eb88
commit c014101d73
3 changed files with 28 additions and 3 deletions
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2
package/firewall/Makefile
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=firewall
PKG_VERSION:=2
PKG_RELEASE:=25
PKG_RELEASE:=26
include $(INCLUDE_DIR)/package.mk

12
package/firewall/files/lib/core_init.sh
View File

@ -245,9 +245,17 @@ fw_load_zone() {
if [ "$zone_masq" == 1 ]; then
local msrc mdst
for msrc in ${zone_masq_src:-0.0.0.0/0}; do
fw_get_negation msrc '-s' "$msrc"
case "$msrc" in
*.*) fw_get_negation msrc '-s' "$msrc" ;;
*) fw_get_subnet4 msrc '-s' "$msrc" ;;
esac
for mdst in ${zone_masq_dest:-0.0.0.0/0}; do
fw_get_negation mdst '-d' "$mdst"
case "$mdst" in
*.*) fw_get_negation mdst '-d' "$mdst" ;;
*) fw_get_subnet4 mdst '-d' "$mdst" ;;
esac
fw add $mode n ${chain}_nat MASQUERADE $ { $msrc $mdst }
done
done

17
package/firewall/files/lib/fw.sh
View File

@ -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
}