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Openvpn: add missing script event options

Browse Source 
Maintainer: @mkrkn  @neheb
Compile tested: aarch64, cortex-a53, OpenWRT Master
Run tested: Dynalink DL-WRX36

Description:
[A previous commit](f8a8b71e26) has added more script event options.
However it looked like that commit was not complete as it stops the use of the script events route-up, route-pre-down, and ipchange when those are placed in the openvpn config file.

This PR fixes a regression that makes it problematic to specify certain event options in the OpenVPN configuration file.

Discussion in [this thread](https://forum.openwrt.org/t/openvpn-custom-route-up-script-in-23-05-rc2/167105/13) and [here](https://forum.openwrt.org/t/openvpn-route-up-and-route-pre-down-broken-in-23-05/176568)

Please have a look and consider implementing or make it possible to use all script event options in the openvpn config file in another way.

Pull request has been discussed and improved with the help of @AuthorReflex, see: https://github.com/openwrt/packages/pull/21732

Signed-off-by: Erik Conijn <egc112@msn.com>
This commit is contained in:
Erik Conijn 2023-12-24 11:26:26 +01:00 committed by Rosen Penev
parent fcb02c264b
commit 7735cdfe60
3 changed files with 28 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/openvpn/Makefile
View File

@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=openvpn
PKG_VERSION:=2.6.8
PKG_RELEASE:=2
PKG_RELEASE:=3
PKG_SOURCE_URL:=\
https://build.openvpn.net/downloads/releases/ \

7
net/openvpn/files/etc/hotplug.d/openvpn/01-user
View File

@ -7,10 +7,14 @@
$*
}
# Wrap user defined scripts on up/down events
# Wrap user defined scripts on up/down/route-up/route-pre-down/ipchange events
# Scriptp set with up/down/route-up/route-pre-down/ipchange in the openvpn config are also executed with the command=user_xxxx
case "$ACTION" in
up) command=$user_up ;;
down) command=$user_down ;;
route-up) command=$user_route_up ;;
route-pre-down) command=$user_route_pre_down ;;
ipchange) command=$user_ipchange ;;
*) command= ;;
esac
@ -20,3 +24,4 @@ if [ -n "$command" ]; then
fi
exit 0

26
net/openvpn/files/openvpn.init
View File

@ -145,6 +145,9 @@ openvpn_add_instance() {
local security="$4"
local up="$5"
local down="$6"
local route_up="$7"
local route_pre_down="$8"
local ipchange="$9"
local client=$(grep -qEx "client|tls-client" "$dir/$conf" && echo 1)
procd_open_instance "$name"
@ -160,6 +163,9 @@ openvpn_add_instance() {
${client:+--ipchange "/usr/libexec/openvpn-hotplug ipchange $name"} \
${up:+--setenv user_up "$up"} \
${down:+--setenv user_down "$down"} \
${route_up:+--setenv user_route_up "$route_up"} \
${route_pre_down:+--setenv user_route_pre_down "$route_pre_down"} \
${client:+${ipchange:+--setenv user_ipchange "$ipchange"}} \
--script-security "${security:-2}" \
$(openvpn_get_dev "$name" "$conf") \
$(openvpn_get_credentials "$name" "$conf")
@ -183,9 +189,12 @@ start_uci_instance() {
return 1
}
local up down script_security
local up down route_up route_pre_down ipchange script_security
config_get up "$s" up
config_get down "$s" down
config_get route_up "$s" route_up
config_get route_pre_down "$s" route_pre_down
config_get ipchange "$s" ipchange
config_get script_security "$s" script_security
[ ! -d "/var/run" ] && mkdir -p "/var/run"
@ -194,7 +203,10 @@ start_uci_instance() {
append UCI_STARTED "$config" "$LIST_SEP"
[ -n "$up" ] || get_openvpn_option "$config" up up
[ -n "$down" ] || get_openvpn_option "$config" down down
openvpn_add_instance "$s" "${config%/*}" "$config" "$script_security" "$up" "$down"
[ -n "$route_up" ] || get_openvpn_option "$config" route_up route-up
[ -n "$route_pre_down" ] || get_openvpn_option "$config" route_pre_down route-pre-down
[ -n "$ipchange" ] || get_openvpn_option "$config" ipchange ipchange
openvpn_add_instance "$s" "${config%/*}" "$config" "$script_security" "$up" "$down" "$route_up" "$route_pre_down" "$ipchange"
return
fi
@ -204,7 +216,7 @@ start_uci_instance() {
append_params "$s" $OPENVPN_PARAMS
append_list "$s" $OPENVPN_LIST
openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf" "$script_security" "$up" "$down"
openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf" "$script_security" "$up" "$down" "$route_up" "$route_pre_down" "$ipchange"
}
start_path_instances() {
@ -222,7 +234,7 @@ start_path_instances() {
start_path_instance() {
local name="$1"
local path up down
local path name up down route_up route_pre_down ipchange
path="${PATH_INSTANCE_DIR}/${name}.conf"
@ -240,8 +252,11 @@ start_path_instance() {
get_openvpn_option "$path" up up || up=""
get_openvpn_option "$path" down down || down=""
get_openvpn_option "$path" route_up route-up || route_up=""
get_openvpn_option "$path" route_pre_down route-pre-down || route_pre_down=""
get_openvpn_option "$path" ipchange ipchange || ipchange=""
openvpn_add_instance "$name" "${path%/*}" "$path" "" "$up" "$down"
openvpn_add_instance "$name" "${path%/*}" "$path" "" "$up" "$down" "$route_up" "$route_pre_down" "$ipchange"
}
start_service() {
@ -283,3 +298,4 @@ start_service() {
service_triggers() {
procd_add_reload_trigger openvpn
}