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" ] && [ "$p" != "push" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
  46                         [ -n "$v" ] && [ "$p" == "push" ] && append_param "$s" "$p" && echo " \"$v\"" >> "/var/etc/openvpn-$s.conf"
  47                 done
  48                 unset IFS
  49         done
  50 }
  51
  52 section_enabled() {
  53         config_get_bool enable  "$1" 'enable'  0
  54         config_get_bool enabled "$1" 'enabled' 0
  55         [ $enable -gt 0 ] || [ $enabled -gt 0 ]
  56 }
  57
  58 openvpn_add_instance() {
  59         local name="$1"
  60         local dir="$2"
  61         local conf="$3"
  62
  63         procd_open_instance
  64         procd_set_param command "$PROG" \
  65                 --syslog "openvpn($name)" \
  66                 --status "/var/run/openvpn.$name.status" \
  67                 --cd "$dir" \
  68                 --config "$conf"
  69         procd_set_param file "$dir/$conf"
  70         procd_set_param respawn
  71         procd_close_instance
  72 }
  73
  74 start_instance() {
  75         local s="$1"
  76
  77         config_get config "$s" config
  78         config="${config:+$(readlink -f "$config")}"
  79
  80         section_enabled "$s" || {
  81                 append UCI_DISABLED "$config" "$LIST_SEP"
  82                 return 1
  83         }
  84
  85         [ ! -d "/var/run" ] && mkdir -p "/var/run"
  86
  87         if [ ! -z "$config" ]; then
  88                 append UCI_STARTED "$config" "$LIST_SEP"
  89                 openvpn_add_instance "$s" "${config%/*}" "$config"
  90                 return
  91         fi
  92
  93         [ ! -d "/var/etc" ] && mkdir -p "/var/etc"
  94         [ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
  95
  96         # append flags
  97         append_bools "$s" \
  98                 auth_nocache auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
  99                 client_to_client comp_noadapt disable \
 100                 disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
 101                 ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
 102                 management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
 103                 nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
 104                 persist_remote_ip persist_tun ping_timer_rem pull push_reset \
 105                 remote_random rmtun route_noexec route_nopull single_session socks_proxy_retry \
 106                 suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
 107                 tun_ipv6 up_delay up_restart username_as_common_name
 108
 109         # append params
 110         append_params "$s" \
 111                 cd askpass auth auth_retry auth_user_pass auth_user_pass_verify bcast_buffers ca cert capath \
 112                 chroot cipher client_config_dir client_connect client_disconnect comp_lzo connect_freq \
 113                 connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh \
 114                 echo engine explicit_exit_notify fragment group hand_window hash_size \
 115                 http_proxy http_proxy_option http_proxy_timeout ifconfig ifconfig_pool \
 116                 ifconfig_pool_persist ifconfig_push inactive ipchange iroute keepalive \
 117                 key key_method keysize learn_address link_mtu lladdr local log log_append \
 118                 lport management management_log_cache max_clients \
 119                 max_routes_per_client mode mssfix mtu_disc mute nice ns_cert_type ping \
 120                 ping_exit ping_restart pkcs12 plugin port port_share prng proto rcvbuf \
 121                 redirect_gateway remap_usr1 remote remote_cert_eku remote_cert_ku remote_cert_tls \
 122                 reneg_bytes reneg_pkts reneg_sec \
 123                 replay_persist replay_window resolv_retry route route_delay route_gateway \
 124                 route_metric route_pre_down route_up rport script_security secret server server_bridge setenv shaper sndbuf \
 125                 socks_proxy status status_version syslog tcp_queue_limit tls_auth tls_version_min \
 126                 tls_cipher tls_remote tls_timeout tls_verify tmp_dir topology tran_window \
 127                 tun_mtu tun_mtu_extra txqueuelen user verb down push up \
 128                 verify_x509_name x509_username_field \
 129                 ifconfig_ipv6 route_ipv6 server_ipv6 ifconfig_ipv6_pool ifconfig_ipv6_push iroute_ipv6
 130
 131         openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
 132 }
 133
 134 start_service() {
 135         config_load 'openvpn'
 136         config_foreach start_instance 'openvpn'
 137
 138         local path name
 139         for path in /etc/openvpn/*.conf; do
 140                 if [ -f "$path" ]; then
 141                         name="${path##*/}"; name="${name%.conf}"
 142
 143                         # don't start configs again that are already started by uci
 144                         if echo "$UCI_STARTED" | grep -qxF "$path"; then
 145                                 continue
 146
 147                         # don't start configs which are set to disabled in uci
 148                         elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
 149                                 logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
 150                                 continue
 151                         fi
 152
 153                         openvpn_add_instance "$name" "${path%/*}" "$path"
 154                 fi
 155         done
 156 }
 157
 158 service_triggers() {
 159         procd_add_reload_trigger openvpn
 160 }