package/network/services/openvpn/files/openvpn.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008-2013 OpenWrt.org
   3 # Copyright (C) 2008 Jo-Philipp Wich
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6
   7 START=90
   8 STOP=10
   9
  10 USE_PROCD=1
  11 PROG=/usr/sbin/openvpn
  12
  13 LIST_SEP="
  14 "
  15
  16 append_param() {
  17         local s="$1"
  18         local v="$2"
  19         case "$v" in
  20                 *_*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
  21                 *_*_*)   v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
  22                 *_*)     v=${v%%_*}-${v#*_} ;;
  23         esac
  24         echo -n "$v" >> "/var/etc/openvpn-$s.conf"
  25         return 0
  26 }
  27
  28 append_bools() {
  29         local p; local v; local s="$1"; shift
  30         for p in $*; do
  31                 config_get_bool v "$s" "$p"
  32                 [ "$v" = 1 ] && append_param "$s" "$p" && echo >> "/var/etc/openvpn-$s.conf"
  33         done
  34 }
  35
  36 append_params() {
  37         local p; local v; local s="$1"; shift
  38         for p in $*; do
  39                 config_get v "$s" "$p"
  40                 IFS="$LIST_SEP"
  41                 for v in $v; do
  42                         [ -n "$v" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
  43                 done
  44                 unset IFS
  45         done
  46 }
  47
  48 section_enabled() {
  49         config_get_bool enable  "$1" 'enable'  0
  50         config_get_bool enabled "$1" 'enabled' 0
  51         [ $enable -gt 0 ] || [ $enabled -gt 0 ]
  52 }
  53
  54 openvpn_add_instance() {
  55         local name="$1"
  56         local dir="$2"
  57         local conf="$3"
  58
  59         procd_open_instance
  60         procd_set_param command "$PROG" \
  61                 --syslog "openvpn($name)" \
  62                 --cd "$dir" \
  63                 --config "$conf"
  64         procd_set_param file "$dir/$conf"
  65         procd_set_param respawn
  66         procd_close_instance
  67 }
  68
  69 start_instance() {
  70         local s="$1"
  71
  72         section_enabled "$s" || return 1
  73
  74         config_get config "$s" config
  75
  76         [ ! -d "/var/run" ] && mkdir -p "/var/run"
  77
  78         if [ ! -z "$config" ]; then
  79                 openvpn_add_instance "$s" "$(dirname "$config")" "$(basename "$config")"
  80                 return
  81         fi
  82
  83         [ ! -d "/var/etc" ] && mkdir -p "/var/etc"
  84         [ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
  85
  86         # append flags
  87         append_bools "$s" \
  88                 auth_nocache auth_retry auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
  89                 client_to_client comp_noadapt disable \
  90                 disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
  91                 ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
  92                 management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
  93                 nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
  94                 persist_remote_ip persist_tun ping_timer_rem pull push_reset \
  95                 remote_random rmtun route_noexec route_nopull single_session socks_proxy_retry \
  96                 suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
  97                 tun_ipv6 up_delay up_restart username_as_common_name
  98
  99         # append params
 100         append_params "$s" \
 101                 cd askpass auth auth_user_pass auth_user_pass_verify bcast_buffers ca cert \
 102                 chroot cipher client_config_dir client_connect client_disconnect comp_lzo connect_freq \
 103                 connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh \
 104                 echo engine explicit_exit_notify fragment group hand_window hash_size \
 105                 http_proxy http_proxy_option http_proxy_timeout ifconfig ifconfig_pool \
 106                 ifconfig_pool_persist ifconfig_push inactive ipchange iroute keepalive \
 107                 key key_method keysize learn_address link_mtu lladdr local log log_append \
 108                 lport management management_log_cache max_clients \
 109                 max_routes_per_client mode mssfix mtu_disc mute nice ns_cert_type ping \
 110                 ping_exit ping_restart pkcs12 plugin port port_share prng proto rcvbuf \
 111                 redirect_gateway remap_usr1 remote remote_cert_eku remote_cert_ku remote_cert_tls \
 112                 reneg_bytes reneg_pkts reneg_sec \
 113                 replay_persist replay_window resolv_retry route route_delay route_gateway \
 114                 route_metric route_up rport script_security secret server server_bridge setenv shaper sndbuf \
 115                 socks_proxy status status_version syslog tcp_queue_limit tls_auth \
 116                 tls_cipher tls_remote tls_timeout tls_verify tmp_dir topology tran_window \
 117                 tun_mtu tun_mtu_extra txqueuelen user verb down push up \
 118                 ifconfig_ipv6 route_ipv6 server_ipv6 ifconfig_ipv6_pool ifconfig_ipv6_push iroute_ipv6
 119
 120         openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
 121 }
 122
 123 start_service() {
 124         config_load 'openvpn'
 125         config_foreach start_instance 'openvpn'
 126 }