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init: firewall apply hooks

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This commit is contained in:
bol-van 2022-02-18 12:35:06 +03:00
parent 1fb0195e62
commit 1b25b0e64f
5 changed files with 36 additions and 7 deletions
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6
common/linux_fw.sh
View File

@ -2,6 +2,9 @@ zapret_do_firewall()
{
linux_fwtype
[ "$1" = 1 -a -n "$INIT_FW_PRE_UP_HOOK" ] && $INIT_FW_PRE_UP_HOOK
[ "$1" = 0 -a -n "$INIT_FW_PRE_DOWN_HOOK" ] && $INIT_FW_PRE_DOWN_HOOK
case "$FWTYPE" in
iptables)
zapret_do_firewall_ipt "$@"
@ -11,6 +14,9 @@ zapret_do_firewall()
;;
esac
[ "$1" = 1 -a -n "$INIT_FW_POST_UP_HOOK" ] && $INIT_FW_POST_UP_HOOK
[ "$1" = 0 -a -n "$INIT_FW_POST_DOWN_HOOK" ] && $INIT_FW_POST_DOWN_HOOK
return 0
}
zapret_apply_firewall()

7
config
View File

@ -71,8 +71,13 @@ FLOWOFFLOAD=donttouch
#IFACE_WAN=eth1
# should start/stop command of init scripts apply firewall rules ?
# not applicable to openwrt with firewall3+iptables
# not applicable to older openwrt with fw3 firewall
INIT_APPLY_FW=1
# firewall apply hooks
#INIT_FW_PRE_UP_HOOK="/etc/firewall.zapret.hook.pre_up"
#INIT_FW_POST_UP_HOOK="/etc/firewall.zapret.hook.post_up"
#INIT_FW_PRE_DOWN_HOOK="/etc/firewall.zapret.hook.pre_down"
#INIT_FW_POST_DOWN_HOOK="/etc/firewall.zapret.hook.post_down"
# do not work with ipv4
#DISABLE_IPV4=1

9
docs/readme.eng.md
View File

@ -859,6 +859,15 @@ Calls `nft -t list table inet zapret`.
/opt/zapret/init.d/sysv/zapret list_table
```
It's also possible to hook with your script to any stage of zapret firewall processing.
The following settings are available in the zapret config file :
```
INIT_FW_PRE_UP_HOOK="/etc/firewall.zapret.hook.pre_up"
INIT_FW_POST_UP_HOOK="/etc/firewall.zapret.hook.post_up"
INIT_FW_PRE_DOWN_HOOK="/etc/firewall.zapret.hook.pre_down"
INIT_FW_POST_DOWN_HOOK="/etc/firewall.zapret.hook.post_down"
```
## Installation

9
docs/readme.txt
View File

@ -1014,6 +1014,15 @@ nftables сводят практически на нет конфликты ме
Просмотр таблицы без содержимого set-ов. Вызывает nft -t list table inet zapret
/opt/zapret/init.d/sysv/zapret list_table
Так же возможно прицепиться своим скриптом к любой стадии применения и снятия фаервола со стороны zapret скриптов :
INIT_FW_PRE_UP_HOOK="/etc/firewall.zapret.hook.pre_up"
INIT_FW_POST_UP_HOOK="/etc/firewall.zapret.hook.post_up"
INIT_FW_PRE_DOWN_HOOK="/etc/firewall.zapret.hook.pre_down"
INIT_FW_POST_DOWN_HOOK="/etc/firewall.zapret.hook.post_down"
Эти настройки доступны в config.
Вариант custom
--------------

12
init.d/macos/functions
View File

@ -119,6 +119,9 @@ zapret_do_firewall()
{
# $1 - 1 - add, 0 - del
[ "$1" = 1 -a -n "$INIT_FW_PRE_UP_HOOK" ] && $INIT_FW_PRE_UP_HOOK
[ "$1" = 0 -a -n "$INIT_FW_PRE_DOWN_HOOK" ] && $INIT_FW_PRE_DOWN_HOOK
case "${MODE_OVERRIDE:-$MODE}" in
tpws|filter|custom)
if [ "$1" = "1" ] ; then
@ -130,14 +133,11 @@ zapret_do_firewall()
pf_anchors_clear
fi
;;
tpws-socks)
;;
*)
echo "unsupported MODE=$MODE"
return 1
;;
esac
[ "$1" = 1 -a -n "$INIT_FW_POST_UP_HOOK" ] && $INIT_FW_POST_UP_HOOK
[ "$1" = 0 -a -n "$INIT_FW_POST_DOWN_HOOK" ] && $INIT_FW_POST_DOWN_HOOK
return 0
}
zapret_apply_firewall()