net/openvpn/files/openvpn.init

   1 #!/bin/sh /etc/rc.common
   2 # OpenVPN init script
   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=95
   8 BIN=/usr/sbin/openvpn
   9 SSD=start-stop-daemon
  10 EXTRA_COMMANDS="up down"
  11
  12 LIST_SEP="
  13 "
  14
  15 append_param() {
  16         local v="$1"
  17         case "$v" in
  18                 *_*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
  19                 *_*_*)   v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
  20                 *_*)     v=${v%%_*}-${v#*_} ;;
  21         esac
  22         ARGS="$ARGS --$v"
  23         return 0
  24 }
  25
  26 append_bools() {
  27         local p; local v; local s="$1"; shift
  28         for p in $*; do
  29                 config_get_bool v "$s" "$p"
  30                 [ "$v" == 1 ] && append_param "$p"
  31         done
  32 }
  33
  34 append_params() {
  35         local p; local v; local s="$1"; shift
  36         for p in $*; do
  37                 config_get v "$s" "$p"
  38                 IFS="$LIST_SEP"
  39                 for v in $v; do
  40                         [ -n "$v" ] && append_param "$p" && ARGS="$ARGS $v"
  41                 done
  42                 unset IFS
  43         done
  44 }
  45
  46 append_params_quoted() {
  47         local p; local v; local s="$1"; shift
  48         for p in $*; do
  49                 config_get v "$s" "$p"
  50                 IFS="$LIST_SEP"
  51                 for v in $v; do
  52                         [ -n "$v" ] && append_param "$p" && ARGS="$ARGS '$v'"
  53                 done
  54                 unset IFS
  55         done
  56 }
  57
  58 start_service() {
  59         local s="$1"
  60         local enable=0
  61
  62         # disabled?
  63         config_get_bool enable "$s" enable 0
  64         [ "$enable" == 0 ] && return 0
  65
  66         PID="/var/run/openvpn-$s.pid"
  67         ARGS=""
  68
  69         # append flags
  70         append_bools "$s" \
  71                 auth_nocache auth_retry auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
  72                 client_disconnect client_to_client comp_lzo comp_noadapt disable \
  73                 disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
  74                 ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
  75                 management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
  76                 nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
  77                 persist_remote_ip persist_tun ping_timer_rem pull push_reset \
  78                 remote_random rmtun route_noexec route_nopull single_session socks_proxy_retry \
  79                 suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
  80                 tun_ipv6 up_delay up_restart username_as_common_name
  81
  82         # append params
  83         append_params "$s" \
  84                 askpass auth auth_user_pass auth_user_pass_verify bcast_buffers ca cd cert \
  85                 chroot cipher client_config_dir client_connect config connect_freq \
  86                 connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh down \
  87                 echo engine explicit_exit_notify fragment group hand_window hash_size \
  88                 http_proxy http_proxy_option http_proxy_timeout ifconfig ifconfig_pool \
  89                 ifconfig_pool_persist ifconfig_push inactive ipchange iroute keepalive \
  90                 key key_method keysize learn_address link_mtu lladdr local log log_append \
  91                 lport management management_log_cache max_clients \
  92                 max_routes_per_client mode mssfix mtu_disc mute nice ns_cert_type ping \
  93                 ping_exit ping_restart pkcs12 plugin port port_share prng proto rcvbuf \
  94                 redirect_gateway remap_usr1 remote remote_cert_eku remote_cert_ku remote_cert_tls \
  95                 reneg_bytes reneg_pkts reneg_sec \
  96                 replay_persist replay_window resolv_retry route route_delay route_gateway \
  97                 route_metric route_up rport script_security secret server server_bridge setenv shaper sndbuf \
  98                 socks_proxy status status_version syslog tcp_queue_limit tls_auth \
  99                 tls_cipher tls_remote tls_timeout tls_verify tmp_dir topology tran_window \
 100                 tun_mtu tun_mtu_extra txqueuelen up user verb
 101
 102         # append multi-value params
 103         append_params_quoted "$s" \
 104                 push
 105
 106
 107         [ -n "$ARGS" ] && \
 108                 eval "$SSD -q -b -p '$PID' -x $BIN -S -- --syslog 'openvpn($s)' --writepid '$PID' $ARGS"
 109 }
 110
 111 kill_service() {
 112         local s="$1"
 113         local S="${2:-TERM}"
 114         local enable=0
 115
 116         # disabled?
 117         config_get_bool enable "$s" enable 0
 118         [ "$enable" == 0 ] && return 0
 119
 120         PID="/var/run/openvpn-$s.pid"
 121
 122         $SSD -q -p $PID -x $BIN -K -s $S
 123         [ "$S" == "TERM" ] && rm -f "$PID"
 124 }
 125
 126 hup_service()  { kill_service "$1" HUP;  }
 127 stop_service() { kill_service "$1" TERM; }
 128
 129 start() {
 130         config_load openvpn
 131         config_foreach start_service openvpn
 132 }
 133
 134 stop() {
 135         config_load openvpn
 136         config_foreach stop_service openvpn
 137 }
 138
 139 reload() {
 140         config_load openvpn
 141         config_foreach hup_service openvpn
 142 }
 143
 144 restart() {
 145         stop; sleep 5; start
 146 }
 147
 148 up() {
 149         local exists
 150         local INSTANCE
 151         for INSTANCE in "$@"; do
 152                 config_load openvpn
 153                 config_get exists "$INSTANCE" TYPE
 154                 if [ "$exists" == "openvpn" ]; then
 155                         start_service "$INSTANCE"
 156                 fi
 157         done
 158 }
 159
 160 down() {
 161         local exists
 162         local INSTANCE
 163         for INSTANCE in "$@"; do
 164                 config_load openvpn
 165                 config_get exists "$INSTANCE" TYPE
 166                 if [ "$exists" == "openvpn" ]; then
 167                         stop_service "$INSTANCE"
 168                 fi
 169         done
 170 }