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#!/bin/sh /etc/rc.common
# Copyright (C) 2008-2013 OpenWrt.org
# Copyright (C) 2008 Jo-Philipp Wich
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
START=90
STOP=10
USE_PROCD=1
PROG=/usr/sbin/openvpn
LIST_SEP="
"
UCI_STARTED=
UCI_DISABLED=
append_param() {
local s="$1"
local v="$2"
case "$v" in
*_*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
*_*) v=${v%%_*}-${v#*_} ;;
esac
echo -n "$v" >> "/var/etc/openvpn-$s.conf"
return 0
}
append_bools() {
local p; local v; local s="$1"; shift
for p in $*; do
config_get_bool v "$s" "$p"
[ "$v" = 1 ] && append_param "$s" "$p" && echo >> "/var/etc/openvpn-$s.conf"
done
}
append_params() {
local p; local v; local s="$1"; shift
for p in $*; do
config_get v "$s" "$p"
IFS="$LIST_SEP"
for v in $v; do
[ -n "$v" ] && [ "$p" != "push" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
[ -n "$v" ] && [ "$p" = "push" ] && append_param "$s" "$p" && echo " \"$v\"" >> "/var/etc/openvpn-$s.conf"
done
unset IFS
done
}
append_list() {
local p; local v; local s="$1"; shift
list_cb_append() {
v="${v}:$1"
}
for p in $*; do
unset v
config_list_foreach "$s" "$p" list_cb_append
[ -n "$v" ] && append_param "$s" "$p" && echo " ${v:1}" >> "/var/etc/openvpn-$s.conf"
done
}
section_enabled() {
config_get_bool enable "$1" 'enable' 0
config_get_bool enabled "$1" 'enabled' 0
[ $enable -gt 0 ] || [ $enabled -gt 0 ]
}
openvpn_get_dev() {
local dev dev_type
local name="$1"
local conf="$2"
# Do override only for configurations with config_file
config_get config_file "$name" config
[ -n "$config_file" ] || return
# Check there is someething to override
config_get dev "$name" dev
config_get dev_type "$name" dev_type
[ -n "$dev" ] || return
# If there is a no dev_type, try to guess it
if [ -z "$dev_type" ]; then
. /lib/functions/openvpn.sh
local odev odev_type
get_openvpn_option "$conf" odev dev
get_openvpn_option "$conf" odev_type dev-type
[ -n "$odev_type" ] || odev_type="$odev"
case "$odev_type" in
tun*) dev_type="tun" ;;
tap*) dev_type="tap" ;;
*) return;;
esac
fi
# Return overrides
echo "--dev-type $dev_type --dev $dev"
}
openvpn_add_instance() {
local name="$1"
local dir="$2"
local conf="$3"
local security="$4"
procd_open_instance "$name"
procd_set_param command "$PROG" \
--syslog "openvpn($name)" \
--status "/var/run/openvpn.$name.status" \
--cd "$dir" \
--config "$conf" \
--up "/usr/libexec/openvpn-hotplug up $name" \
--down "/usr/libexec/openvpn-hotplug down $name" \
--script-security "${security:-2}" \
$(openvpn_get_dev "$name" "$conf")
procd_set_param file "$dir/$conf"
procd_set_param term_timeout 15
procd_set_param respawn
procd_append_param respawn 3600
procd_append_param respawn 5
procd_append_param respawn -1
procd_close_instance
}
start_instance() {
local s="$1"
config_get config "$s" config
config="${config:+$(readlink -f "$config")}"
section_enabled "$s" || {
append UCI_DISABLED "$config" "$LIST_SEP"
return 1
}
local script_security
config_get script_security "$s" script_security
[ ! -d "/var/run" ] && mkdir -p "/var/run"
if [ ! -z "$config" ]; then
append UCI_STARTED "$config" "$LIST_SEP"
openvpn_add_instance "$s" "${config%/*}" "$config" "$script_security"
return
fi
[ ! -d "/var/etc" ] && mkdir -p "/var/etc"
[ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
append_bools "$s" $OPENVPN_BOOLS
append_params "$s" $OPENVPN_PARAMS
append_list "$s" $OPENVPN_LIST
openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf" "$script_security"
}
start_service() {
local instance="$1"
local instance_found=0
config_cb() {
local type="$1"
local name="$2"
if [ "$type" = "openvpn" ]; then
if [ -n "$instance" -a "$instance" = "$name" ]; then
instance_found=1
fi
fi
}
. /usr/share/openvpn/openvpn.options
config_load 'openvpn'
if [ -n "$instance" ]; then
[ "$instance_found" -gt 0 ] || return
start_instance "$instance"
else
config_foreach start_instance 'openvpn'
local path name
for path in /etc/openvpn/*.conf; do
if [ -f "$path" ]; then
name="${path##*/}"; name="${name%.conf}"
# don't start configs again that are already started by uci
if echo "$UCI_STARTED" | grep -qxF "$path"; then
continue
# don't start configs which are set to disabled in uci
elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
continue
fi
openvpn_add_instance "$name" "${path%/*}" "$path"
fi
done
fi
}
service_triggers() {
procd_add_reload_trigger openvpn
}