openvpn: add generic hotplug mechanism
[openwrt/staging/dedeckeh.git] / package / network / services / openvpn / files / openvpn.init
index 5396d0bf47ad3a7fc51f246accce984fd2685857..a560b89ff243cbd37c430cfdac4216cdb8c443c6 100644 (file)
@@ -42,12 +42,27 @@ append_params() {
                config_get v "$s" "$p"
                IFS="$LIST_SEP"
                for v in $v; do
-                       [ -n "$v" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
+                       [ -n "$v" ] && [ "$p" != "push" ] && append_param "$s" "$p" && echo " $v" >> "/var/etc/openvpn-$s.conf"
+                       [ -n "$v" ] && [ "$p" == "push" ] && append_param "$s" "$p" && echo " \"$v\"" >> "/var/etc/openvpn-$s.conf"
                done
                unset IFS
        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
@@ -58,15 +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
 }
 
@@ -81,77 +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 "$s" \
-               auth_nocache auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
-               client_to_client comp_noadapt disable \
-               disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
-               ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
-               management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
-               nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
-               persist_remote_ip persist_tun ping_timer_rem pull push_reset \
-               remote_random rmtun route_noexec route_nopull single_session socks_proxy_retry \
-               suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
-               tun_ipv6 up_delay up_restart username_as_common_name
-
-       # append params
-       append_params "$s" \
-               cd askpass auth auth_retry auth_user_pass auth_user_pass_verify bcast_buffers ca cert \
-               chroot cipher client_config_dir client_connect client_disconnect comp_lzo connect_freq \
-               connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh \
-               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 nice ns_cert_type ping \
-               ping_exit ping_restart pkcs12 plugin port port_share prng proto 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_cipher tls_remote 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() {