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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" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
done
unset IFS
done
}
section_enabled() {
config_get_bool enable "$1" 'enable' 0
config_get_bool enabled "$1" 'enabled' 0
[ $enable -gt 0 ] || [ $enabled -gt 0 ]
}
openvpn_add_instance() {
local name="$1"
local dir="$2"
local conf="$3"
procd_open_instance
procd_set_param command "$PROG" \
--syslog "openvpn($name)" \
--status "/var/run/openvpn.$name.status" \
--cd "$dir" \
--config "$conf"
procd_set_param file "$dir/$conf"
procd_set_param respawn
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
}
[ ! -d "/var/run" ] && mkdir -p "/var/run"
if [ ! -z "$config" ]; then
append UCI_STARTED "$config" "$LIST_SEP"
openvpn_add_instance "$s" "${config%/*}" "$config"
return
fi
[ ! -d "/var/etc" ] && mkdir -p "/var/etc"
[ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
# append flags
append_bools "$s" \
auth_nocache auth_retry auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
client_to_client comp_noadapt disable \
disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
persist_remote_ip persist_tun ping_timer_rem pull push_reset \
remote_random rmtun route_noexec route_nopull single_session socks_proxy_retry \
suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
tun_ipv6 up_delay up_restart username_as_common_name
# append params
append_params "$s" \
cd askpass auth auth_user_pass auth_user_pass_verify bcast_buffers ca cert \
chroot cipher client_config_dir client_connect client_disconnect comp_lzo connect_freq \
connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh \
echo engine explicit_exit_notify fragment group hand_window hash_size \
http_proxy http_proxy_option http_proxy_timeout ifconfig ifconfig_pool \
ifconfig_pool_persist ifconfig_push inactive ipchange iroute keepalive \
key key_method keysize learn_address link_mtu lladdr local log log_append \
lport management management_log_cache max_clients \
max_routes_per_client mode mssfix mtu_disc mute nice ns_cert_type ping \
ping_exit ping_restart pkcs12 plugin port port_share prng proto rcvbuf \
redirect_gateway remap_usr1 remote remote_cert_eku remote_cert_ku remote_cert_tls \
reneg_bytes reneg_pkts reneg_sec \
replay_persist replay_window resolv_retry route route_delay route_gateway \
route_metric route_up rport script_security secret server server_bridge setenv shaper sndbuf \
socks_proxy status status_version syslog tcp_queue_limit tls_auth \
tls_cipher tls_remote tls_timeout tls_verify tmp_dir topology tran_window \
tun_mtu tun_mtu_extra txqueuelen user verb down push up \
ifconfig_ipv6 route_ipv6 server_ipv6 ifconfig_ipv6_pool ifconfig_ipv6_push iroute_ipv6
openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
}
start_service() {
config_load 'openvpn'
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
}
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