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firewall: implement disable_ipv6 uci option 

SVN-Revision: 21503
lede-17.01
Jo-Philipp Wich 2010-05-19 01:55:46 +00:00
parent c6fdffd932
commit 3ffd27f905
2 changed files with 11 additions and 5 deletions
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8
package/firewall/files/lib/core_init.sh
View File

@ -16,6 +16,9 @@ FW_DEFAULT_INPUT_POLICY=REJECT
FW_DEFAULT_OUTPUT_POLICY=REJECT
FW_DEFAULT_FORWARD_POLICY=REJECT
FW_DISABLE_IPV4=0
FW_DISABLE_IPV6=0
fw_load_defaults() {
fw_config_get_section "$1" defaults { \
@ -34,6 +37,7 @@ fw_load_defaults() {
boolean accept_redirects 0 \
boolean accept_source_route 0 \
boolean custom_chains 1 \
boolean disable_ipv6 0 \
} || return
[ -n "$FW_DEFAULTS_APPLIED" ] && {
echo "Error: multiple defaults sections detected"
@ -50,6 +54,8 @@ fw_load_defaults() {
FW_ACCEPT_REDIRECTS=$defaults_accept_redirects
FW_ACCEPT_SRC_ROUTE=$defaults_accept_source_route
FW_DISABLE_IPV6=$defaults_disable_ipv6
fw_callback pre defaults
# Seems like there are only one sysctl for both IP versions.
@ -96,7 +102,7 @@ fw_load_defaults() {
fw add i f forwarding_rule
fw add i n prerouting_rule
fw add i n postrouting_rule
fw add i f INPUT input_rule
fw add i f OUTPUT output_rule
fw add i f FORWARD forwarding_rule

8
package/firewall/files/lib/fw.sh
View File

@ -72,7 +72,7 @@ fw__exec() { # <action> <family> <table> <chain> <target> <position> { <rules> }
if [ $tab == '-' ]; then
type $app > /dev/null 2> /dev/null
fw__rc $(($? & 1))
return
return
fi
local mod
eval "mod=\$FW_${fam}_${tab}"
@ -85,7 +85,7 @@ fw__exec() { # <action> <family> <table> <chain> <target> <position> { <rules> }
6) mod=ip6table_${tab} ;;
*) mod=. ;;
esac
grep "^${mod} " /proc/modules > /dev/null
grep -q "^${mod} " /proc/modules
mod=$?
export FW_${fam}_${tab}=$mod
fw__rc $mod
@ -100,8 +100,8 @@ fw__exec() { # <action> <family> <table> <chain> <target> <position> { <rules> }
local app=
local pol=
case "$fam" in
4) app=iptables ;;
6) app=ip6tables ;;
4) [ $FW_DISABLE_IPV4 == 0 ] && app=iptables || return ;;
6) [ $FW_DISABLE_IPV6 == 0 ] && app=ip6tables || return ;;
i) fw__dualip "$@"; return ;;
I) fw__autoip "$@"; return ;;
e) app=ebtables ;;