openvpn: add generic hotplug mechanism
[openwrt/staging/dedeckeh.git] / package / network / services / openvpn / files / openvpn.init
index af9c1445896bef2446c62980f2226e75422ca654..a560b89ff243cbd37c430cfdac4216cdb8c443c6 100644 (file)
@@ -49,6 +49,20 @@ append_params() {
        done
 }
 
+append_list() {
+       local p; local v; local s="$1"; shift
+
+       list_cb_append() {
+               v="${v}:$1"
+       }
+
+       for p in $*; do
+               unset v
+               config_list_foreach "$s" "$p" list_cb_append
+               [ -n "$v" ] && append_param "$s" "$p" && echo " ${v:1}" >> "/var/etc/openvpn-$s.conf"
+       done
+}
+
 section_enabled() {
        config_get_bool enable  "$1" 'enable'  0
        config_get_bool enabled "$1" 'enabled' 0
@@ -59,15 +73,23 @@ openvpn_add_instance() {
        local name="$1"
        local dir="$2"
        local conf="$3"
+       local security="$4"
 
-       procd_open_instance
+       procd_open_instance "$name"
        procd_set_param command "$PROG" \
                --syslog "openvpn($name)" \
                --status "/var/run/openvpn.$name.status" \
                --cd "$dir" \
-               --config "$conf"
+               --config "$conf" \
+               --up "/usr/libexec/openvpn-hotplug up $name" \
+               --down "/usr/libexec/openvpn-hotplug down $name" \
+               --script-security "${security:-2}"
        procd_set_param file "$dir/$conf"
+       procd_set_param term_timeout 15
        procd_set_param respawn
+       procd_append_param respawn 3600
+       procd_append_param respawn 5
+       procd_append_param respawn -1
        procd_close_instance
 }
 
@@ -82,72 +104,69 @@ start_instance() {
                return 1
        }
 
+       local script_security
+       config_get script_security "$s" script_security
+
        [ ! -d "/var/run" ] && mkdir -p "/var/run"
 
        if [ ! -z "$config" ]; then
                append UCI_STARTED "$config" "$LIST_SEP"
-               openvpn_add_instance "$s" "${config%/*}" "$config"
+               openvpn_add_instance "$s" "${config%/*}" "$config" "$script_security"
                return
        fi
 
        [ ! -d "/var/etc" ] && mkdir -p "/var/etc"
        [ -f "/var/etc/openvpn-$s.conf" ] && rm "/var/etc/openvpn-$s.conf"
 
-       # append flags
-       append_bools "$s" \
-               allow_recursive_routing auth_nocache auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
-               client_to_client comp_noadapt disable disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
-               ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
-               management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
-               ncp_disable nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
-               persist_remote_ip persist_tun ping_timer_rem pull push_reset remote_random rmtun route_noexec route_nopull \
-               single_session socks_proxy_retry suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
-               tun_ipv6 up_delay up_restart username_as_common_name
-
-       # append params
-       append_params "$s" \
-               cd askpass auth auth_retry auth_user_pass auth_user_pass_verify bcast_buffers ca cert capath \
-               chroot cipher client_config_dir client_connect client_disconnect comp_lzo compress connect_freq \
-               connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh \
-               ecdh_curve echo engine explicit_exit_notify fragment group hand_window hash_size http_proxy \
-               http_proxy_option http_proxy_timeout ifconfig ifconfig_pool ifconfig_pool_persist ifconfig_push \
-               inactive ipchange iroute keepalive key key_method keysize learn_address link_mtu lladdr local \
-               log log_append lport management management_log_cache max_clients max_routes_per_client mode \
-               mssfix mtu_disc mute ncp_ciphers nice ns_cert_type ping ping_exit ping_restart pkcs12 plugin \
-               port port_share prng proto pull_filter rcvbuf redirect_gateway remap_usr1 remote remote_cert_eku \
-               remote_cert_ku remote_cert_tls reneg_bytes reneg_pkts reneg_sec replay_persist replay_window \
-               resolv_retry route route_delay route_gateway route_metric route_pre_down route_up rport \
-               script_security secret server server_bridge setenv shaper sndbuf socks_proxy status status_version \
-               syslog tcp_queue_limit tls_auth tls_crypt tls_version_min tls_cipher tls_timeout \
-               tls_verify tmp_dir topology tran_window tun_mtu tun_mtu_extra txqueuelen user verb \
-               down push up verify_x509_name x509_username_field ifconfig_ipv6 route_ipv6 server_ipv6 \
-               ifconfig_ipv6_pool ifconfig_ipv6_push iroute_ipv6
-
-       openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
+       append_bools "$s" $OPENVPN_BOOLS
+       append_params "$s" $OPENVPN_PARAMS
+       append_list "$s" $OPENVPN_LIST
+
+       openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf" "$script_security"
 }
 
 start_service() {
+       local instance="$1"
+       local instance_found=0
+
+       config_cb() {
+               local type="$1"
+               local name="$2"
+               if [ "$type" = "openvpn" ]; then
+                       if [ -n "$instance" -a "$instance" = "$name" ]; then
+                               instance_found=1
+                       fi
+               fi
+       }
+
+       . /usr/share/openvpn/openvpn.options
        config_load 'openvpn'
-       config_foreach start_instance 'openvpn'
 
-       local path name
-       for path in /etc/openvpn/*.conf; do
-               if [ -f "$path" ]; then
-                       name="${path##*/}"; name="${name%.conf}"
+       if [ -n "$instance" ]; then
+               [ "$instance_found" -gt 0 ] || return
+               start_instance "$instance"
+       else
+               config_foreach start_instance 'openvpn'
 
-                       # don't start configs again that are already started by uci
-                       if echo "$UCI_STARTED" | grep -qxF "$path"; then
-                               continue
+               local path name
+               for path in /etc/openvpn/*.conf; do
+                       if [ -f "$path" ]; then
+                               name="${path##*/}"; name="${name%.conf}"
 
-                       # don't start configs which are set to disabled in uci
-                       elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
-                               logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
-                               continue
-                       fi
+                               # don't start configs again that are already started by uci
+                               if echo "$UCI_STARTED" | grep -qxF "$path"; then
+                                       continue
 
-                       openvpn_add_instance "$name" "${path%/*}" "$path"
-               fi
-       done
+                               # don't start configs which are set to disabled in uci
+                               elif echo "$UCI_DISABLED" | grep -qxF "$path"; then
+                                       logger -t openvpn "$name.conf is disabled in /etc/config/openvpn"
+                                       continue
+                               fi
+
+                               openvpn_add_instance "$name" "${path%/*}" "$path"
+                       fi
+               done
+       fi
 }
 
 service_triggers() {