1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include "path-util.h"
26 #include "dbus-execute.h"
27 #include "dbus-kill.h"
28 #include "dbus-cgroup.h"
29 #include "dbus-service.h"
32 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, service_type, ServiceType);
33 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, service_result, ServiceResult);
34 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_restart, service_restart, ServiceRestart);
35 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_notify_access, notify_access, NotifyAccess);
36 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_failure_action, failure_action, FailureAction);
38 const sd_bus_vtable bus_service_vtable[] = {
39 SD_BUS_VTABLE_START(0),
40 SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Service, type), SD_BUS_VTABLE_PROPERTY_CONST),
41 SD_BUS_PROPERTY("Restart", "s", property_get_restart, offsetof(Service, restart), SD_BUS_VTABLE_PROPERTY_CONST),
42 SD_BUS_PROPERTY("PIDFile", "s", NULL, offsetof(Service, pid_file), SD_BUS_VTABLE_PROPERTY_CONST),
43 SD_BUS_PROPERTY("NotifyAccess", "s", property_get_notify_access, offsetof(Service, notify_access), SD_BUS_VTABLE_PROPERTY_CONST),
44 SD_BUS_PROPERTY("RestartUSec", "t", bus_property_get_usec, offsetof(Service, restart_usec), SD_BUS_VTABLE_PROPERTY_CONST),
45 SD_BUS_PROPERTY("TimeoutStartUSec", "t", bus_property_get_usec, offsetof(Service, timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST),
46 SD_BUS_PROPERTY("TimeoutStopUSec", "t", bus_property_get_usec, offsetof(Service, timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST),
47 SD_BUS_PROPERTY("WatchdogUSec", "t", bus_property_get_usec, offsetof(Service, watchdog_usec), SD_BUS_VTABLE_PROPERTY_CONST),
48 BUS_PROPERTY_DUAL_TIMESTAMP("WatchdogTimestamp", offsetof(Service, watchdog_timestamp), 0),
49 SD_BUS_PROPERTY("StartLimitInterval", "t", bus_property_get_usec, offsetof(Service, start_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST),
50 SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Service, start_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
51 SD_BUS_PROPERTY("StartLimitAction", "s", property_get_failure_action, offsetof(Service, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST),
52 SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Service, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
53 SD_BUS_PROPERTY("FailureAction", "s", property_get_failure_action, offsetof(Service, failure_action), SD_BUS_VTABLE_PROPERTY_CONST),
54 SD_BUS_PROPERTY("PermissionsStartOnly", "b", bus_property_get_bool, offsetof(Service, permissions_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
55 SD_BUS_PROPERTY("RootDirectoryStartOnly", "b", bus_property_get_bool, offsetof(Service, root_directory_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
56 SD_BUS_PROPERTY("RemainAfterExit", "b", bus_property_get_bool, offsetof(Service, remain_after_exit), SD_BUS_VTABLE_PROPERTY_CONST),
57 SD_BUS_PROPERTY("GuessMainPID", "b", bus_property_get_bool, offsetof(Service, guess_main_pid), SD_BUS_VTABLE_PROPERTY_CONST),
58 SD_BUS_PROPERTY("MainPID", "u", bus_property_get_pid, offsetof(Service, main_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
59 SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Service, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
60 SD_BUS_PROPERTY("BusName", "s", NULL, offsetof(Service, bus_name), SD_BUS_VTABLE_PROPERTY_CONST),
61 SD_BUS_PROPERTY("FileDescriptorStoreMax", "u", NULL, offsetof(Service, n_fd_store_max), SD_BUS_VTABLE_PROPERTY_CONST),
62 SD_BUS_PROPERTY("StatusText", "s", NULL, offsetof(Service, status_text), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
63 SD_BUS_PROPERTY("StatusErrno", "i", NULL, offsetof(Service, status_errno), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
64 SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Service, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
65 BUS_EXEC_STATUS_VTABLE("ExecMain", offsetof(Service, main_exec_status), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
66 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
67 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
68 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
69 BUS_EXEC_COMMAND_LIST_VTABLE("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
70 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
71 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
75 static int bus_service_set_transient_property(
78 sd_bus_message *message,
79 UnitSetPropertiesMode mode,
80 sd_bus_error *error) {
88 if (streq(name, "RemainAfterExit")) {
91 r = sd_bus_message_read(message, "b", &b);
95 if (mode != UNIT_CHECK) {
96 s->remain_after_exit = b;
97 unit_write_drop_in_private_format(UNIT(s), mode, name, "RemainAfterExit=%s\n", yes_no(b));
102 } else if (streq(name, "Type")) {
106 r = sd_bus_message_read(message, "s", &t);
110 k = service_type_from_string(t);
112 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service type %s", t);
114 if (mode != UNIT_CHECK) {
116 unit_write_drop_in_private_format(UNIT(s), mode, name, "Type=%s\n", service_type_to_string(s->type));
121 } else if (streq(name, "ExecStart")) {
124 r = sd_bus_message_enter_container(message, 'a', "(sasb)");
128 while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) {
129 _cleanup_strv_free_ char **argv = NULL;
133 r = sd_bus_message_read(message, "s", &path);
137 if (!path_is_absolute(path))
138 return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path);
140 r = sd_bus_message_read_strv(message, &argv);
144 r = sd_bus_message_read(message, "b", &b);
148 r = sd_bus_message_exit_container(message);
152 if (mode != UNIT_CHECK) {
155 c = new0(ExecCommand, 1);
159 c->path = strdup(path);
170 path_kill_slashes(c->path);
171 exec_command_append_list(&s->exec_command[SERVICE_EXEC_START], c);
180 r = sd_bus_message_exit_container(message);
184 if (mode != UNIT_CHECK) {
185 _cleanup_free_ char *buf = NULL;
186 _cleanup_fclose_ FILE *f = NULL;
191 s->exec_command[SERVICE_EXEC_START] = exec_command_free_list(s->exec_command[SERVICE_EXEC_START]);
193 f = open_memstream(&buf, &size);
197 fputs("ExecStart=\n", f);
199 LIST_FOREACH(command, c, s->exec_command[SERVICE_EXEC_START]) {
200 _cleanup_free_ char *a;
202 a = strv_join_quoted(c->argv);
206 fprintf(f, "ExecStart=%s@%s %s\n",
207 c->ignore ? "-" : "",
213 unit_write_drop_in_private(UNIT(s), mode, name, buf);
222 int bus_service_set_property(
225 sd_bus_message *message,
226 UnitSetPropertiesMode mode,
227 sd_bus_error *error) {
229 Service *s = SERVICE(u);
236 r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
240 if (u->transient && u->load_state == UNIT_STUB) {
241 /* This is a transient unit, let's load a little more */
243 r = bus_service_set_transient_property(s, name, message, mode, error);
247 r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, mode, error);
251 r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error);
259 int bus_service_commit_properties(Unit *u) {
262 unit_update_cgroup_members_masks(u);
263 unit_realize_cgroup(u);