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_close_instance
  66 }
  67
  68 start_instance() {
  69         local s="$1"
  70
  71         section_enabled "$s" || return 1
  72
  73         config_get config "$s" config
  74
  75         [ ! -d "/var/run" ] && mkdir -p "/var/run"
  76
  77         if [ ! -z "$config" ]; then
  78                 openvpn_add_instance "$s" "$(dirname "$config")" "$(basename "$config")"
  79                 return
  80         fi
  81
  82         [ ! -d "/var/etc" ] && mkdir -p "/var/etc"
  83         [ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
  84
  85         # append flags
  86         append_bools "$s" \
  87                 auth_nocache auth_retry auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
  88                 client_to_client comp_noadapt disable \
  89                 disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
  90                 ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
  91                 management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
  92                 nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
  93                 persist_remote_ip persist_tun ping_timer_rem pull push_reset \
  94                 remote_random rmtun route_noexec route_nopull single_session socks_proxy_retry \
  95                 suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
  96                 tun_ipv6 up_delay up_restart username_as_common_name
  97
  98         # append params
  99         append_params "$s" \
 100                 cd askpass auth auth_user_pass auth_user_pass_verify bcast_buffers ca cert \
 101                 chroot cipher client_config_dir client_connect client_disconnect comp_lzo connect_freq \
 102                 connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh \
 103                 echo engine explicit_exit_notify fragment group hand_window hash_size \
 104                 http_proxy http_proxy_option http_proxy_timeout ifconfig ifconfig_pool \
 105                 ifconfig_pool_persist ifconfig_push inactive ipchange iroute keepalive \
 106                 key key_method keysize learn_address link_mtu lladdr local log log_append \
 107                 lport management management_log_cache max_clients \
 108                 max_routes_per_client mode mssfix mtu_disc mute nice ns_cert_type ping \
 109                 ping_exit ping_restart pkcs12 plugin port port_share prng proto rcvbuf \
 110                 redirect_gateway remap_usr1 remote remote_cert_eku remote_cert_ku remote_cert_tls \
 111                 reneg_bytes reneg_pkts reneg_sec \
 112                 replay_persist replay_window resolv_retry route route_delay route_gateway \
 113                 route_metric route_up rport script_security secret server server_bridge setenv shaper sndbuf \
 114                 socks_proxy status status_version syslog tcp_queue_limit tls_auth \
 115                 tls_cipher tls_remote tls_timeout tls_verify tmp_dir topology tran_window \
 116                 tun_mtu tun_mtu_extra txqueuelen user verb down push up
 117
 118         openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
 119 }
 120
 121 start_service() {
 122         config_load 'openvpn'
 123         config_foreach start_instance 'openvpn'
 124 }