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 UCI_STARTED=
  17 UCI_DISABLED=
  18
  19 append_param() {
  20         local s="$1"
  21         local v="$2"
  22         case "$v" in
  23                 *_*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
  24                 *_*_*)   v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
  25                 *_*)     v=${v%%_*}-${v#*_} ;;
  26         esac
  27         echo -n "$v" >> "/var/etc/openvpn-$s.conf"
  28         return 0
  29 }
  30
  31 append_bools() {
  32         local p; local v; local s="$1"; shift
  33         for p in $*; do
  34                 config_get_bool v "$s" "$p"
  35                 [ "$v" = 1 ] && append_param "$s" "$p" && echo >> "/var/etc/openvpn-$s.conf"
  36         done
  37 }
  38
  39 append_params() {
  40         local p; local v; local s="$1"; shift
  41         for p in $*; do
  42                 config_get v "$s" "$p"
  43                 IFS="$LIST_SEP"
  44                 for v in $v; do
  45                         [ -n "$v" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
  46                 done
  47                 unset IFS
  48         done
  49 }
  50
  51 section_enabled() {
  52         config_get_bool enable  "$1" 'enable'  0
  53         config_get_bool enabled "$1" 'enabled' 0
  54         [ $enable -gt 0 ] || [ $enabled -gt 0 ]
  55 }
  56
  57 openvpn_add_instance() {
  58         local name="$1"
  59         local dir="$2"
  60         local conf="$3"
  61
  62         procd_open_instance
  63         procd_set_param command "$PROG" \
  64                 --syslog "openvpn($name)" \
  65                 --status "/var/run/openvpn.$name.status" \
  66                 --cd "$dir" \
  67                 --config "$conf"
  68         procd_set_param file "$dir/$conf"
  69         procd_set_param respawn
  70         procd_close_instance
  71 }
  72
  73 start_instance() {
  74         local s="$1"
  75
  76         config_get config "$s" config
  77         config="${config:+$(readlink -f "$config")}"
  78
  79         section_enabled "$s" || {
  80                 append UCI_DISABLED "$config" "$LIST_SEP"
  81                 return 1
  82         }
  83
  84         [ ! -d "/var/run" ] && mkdir -p "/var/run"
  85
  86         if [ ! -z "$config" ]; then
  87                 append UCI_STARTED "$config" "$LIST_SEP"
  88                 openvpn_add_instance "$s" "${config%/*}" "$config"
  89                 return
  90         fi
  91
  92         [ ! -d "/var/etc" ] && mkdir -p "/var/etc"
  93         [ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
  94
  95         # append flags
  96         append_bools "$s" \
  97                 auth_nocache auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
  98                 client_to_client comp_noadapt disable \
  99                 disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
 100                 ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
 101                 management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
 102                 nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
 103                 persist_remote_ip persist_tun ping_timer_rem pull push_reset \
 104                 remote_random rmtun route_noexec route_nopull single_session socks_proxy_retry \
 105                 suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
 106                 tun_ipv6 up_delay up_restart username_as_common_name
 107
 108         # append params
 109         append_params "$s" \
 110                 cd askpass auth auth_retry auth_user_pass auth_user_pass_verify bcast_buffers ca cert \
 111                 chroot cipher client_config_dir client_connect client_disconnect comp_lzo connect_freq \
 112                 connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh \
 113                 echo engine explicit_exit_notify fragment group hand_window hash_size \
 114                 http_proxy http_proxy_option http_proxy_timeout ifconfig ifconfig_pool \
 115                 ifconfig_pool_persist ifconfig_push inactive ipchange iroute keepalive \
 116                 key key_method keysize learn_address link_mtu lladdr local log log_append \
 117                 lport management management_log_cache max_clients \
 118                 max_routes_per_client mode mssfix mtu_disc mute nice ns_cert_type ping \
 119                 ping_exit ping_restart pkcs12 plugin port port_share prng proto rcvbuf \
 120                 redirect_gateway remap_usr1 remote remote_cert_eku remote_cert_ku remote_cert_tls \
 121                 reneg_bytes reneg_pkts reneg_sec \
 122                 replay_persist replay_window resolv_retry route route_delay route_gateway \
 123                 route_metric route_pre_down route_up rport script_security secret server server_bridge setenv shaper sndbuf \
 124                 socks_proxy status status_version syslog tcp_queue_limit tls_auth \
 125                 tls_cipher tls_remote tls_timeout tls_verify tmp_dir topology tran_window \
 126                 tun_mtu tun_mtu_extra txqueuelen user verb down push up \
 127                 verify_x509_name x509_username_field \
 128                 ifconfig_ipv6 route_ipv6 server_ipv6 ifconfig_ipv6_pool ifconfig_ipv6_push iroute_ipv6
 129
 130         openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
 131 }
 132
 133 start_service() {
 134         config_load 'openvpn'
 135         config_foreach start_instance 'openvpn'
 136
 137         local path name
 138         for path in /etc/openvpn/*.conf; do
 139                 if [ -f "$path" ]; then
 140                         name="${path##*/}"; name="${name%.conf}"
 141
 142                         # don't start configs again that are already started by uci
 143                         if echo "$UCI_STARTED" | grep -qxF "$path"; then
 144                                 continue
 145
 146                         # don't start configs which are set to disabled in uci
 147                         elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
 148                                 logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
 149                                 continue
 150                         fi
 151
 152                         openvpn_add_instance "$name" "${path%/*}" "$path"
 153                 fi
 154         done
 155 }
 156
 157 service_triggers() {
 158         procd_add_reload_trigger openvpn
 159 }