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-unit.h"
27 #include "dbus-execute.h"
28 #include "dbus-kill.h"
29 #include "dbus-cgroup.h"
30 #include "dbus-service.h"
33 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, service_type, ServiceType);
34 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, service_result, ServiceResult);
35 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_restart, service_restart, ServiceRestart);
36 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_notify_access, notify_access, NotifyAccess);
37 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_failure_action, failure_action, FailureAction);
39 const sd_bus_vtable bus_service_vtable[] = {
40 SD_BUS_VTABLE_START(0),
41 SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Service, type), SD_BUS_VTABLE_PROPERTY_CONST),
42 SD_BUS_PROPERTY("Restart", "s", property_get_restart, offsetof(Service, restart), SD_BUS_VTABLE_PROPERTY_CONST),
43 SD_BUS_PROPERTY("PIDFile", "s", NULL, offsetof(Service, pid_file), SD_BUS_VTABLE_PROPERTY_CONST),
44 SD_BUS_PROPERTY("NotifyAccess", "s", property_get_notify_access, offsetof(Service, notify_access), SD_BUS_VTABLE_PROPERTY_CONST),
45 SD_BUS_PROPERTY("RestartUSec", "t", bus_property_get_usec, offsetof(Service, restart_usec), SD_BUS_VTABLE_PROPERTY_CONST),
46 SD_BUS_PROPERTY("TimeoutStartUSec", "t", bus_property_get_usec, offsetof(Service, timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST),
47 SD_BUS_PROPERTY("TimeoutStopUSec", "t", bus_property_get_usec, offsetof(Service, timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST),
48 SD_BUS_PROPERTY("WatchdogUSec", "t", bus_property_get_usec, offsetof(Service, watchdog_usec), SD_BUS_VTABLE_PROPERTY_CONST),
49 BUS_PROPERTY_DUAL_TIMESTAMP("WatchdogTimestamp", offsetof(Service, watchdog_timestamp), 0),
50 SD_BUS_PROPERTY("StartLimitInterval", "t", bus_property_get_usec, offsetof(Service, start_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST),
51 SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Service, start_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
52 SD_BUS_PROPERTY("StartLimitAction", "s", property_get_failure_action, offsetof(Service, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST),
53 SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Service, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
54 SD_BUS_PROPERTY("FailureAction", "s", property_get_failure_action, offsetof(Service, failure_action), SD_BUS_VTABLE_PROPERTY_CONST),
55 SD_BUS_PROPERTY("PermissionsStartOnly", "b", bus_property_get_bool, offsetof(Service, permissions_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
56 SD_BUS_PROPERTY("RootDirectoryStartOnly", "b", bus_property_get_bool, offsetof(Service, root_directory_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
57 SD_BUS_PROPERTY("RemainAfterExit", "b", bus_property_get_bool, offsetof(Service, remain_after_exit), SD_BUS_VTABLE_PROPERTY_CONST),
58 SD_BUS_PROPERTY("GuessMainPID", "b", bus_property_get_bool, offsetof(Service, guess_main_pid), SD_BUS_VTABLE_PROPERTY_CONST),
59 SD_BUS_PROPERTY("MainPID", "u", bus_property_get_pid, offsetof(Service, main_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
60 SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Service, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
61 SD_BUS_PROPERTY("BusName", "s", NULL, offsetof(Service, bus_name), SD_BUS_VTABLE_PROPERTY_CONST),
62 SD_BUS_PROPERTY("FileDescriptorStoreMax", "u", NULL, offsetof(Service, n_fd_store_max), SD_BUS_VTABLE_PROPERTY_CONST),
63 SD_BUS_PROPERTY("StatusText", "s", NULL, offsetof(Service, status_text), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
64 SD_BUS_PROPERTY("StatusErrno", "i", NULL, offsetof(Service, status_errno), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
65 SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Service, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
66 BUS_EXEC_STATUS_VTABLE("ExecMain", offsetof(Service, main_exec_status), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
67 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
68 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
69 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
70 BUS_EXEC_COMMAND_LIST_VTABLE("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
71 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
72 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
76 static int bus_service_set_transient_property(
79 sd_bus_message *message,
80 UnitSetPropertiesMode mode,
81 sd_bus_error *error) {
89 if (streq(name, "RemainAfterExit")) {
92 r = sd_bus_message_read(message, "b", &b);
96 if (mode != UNIT_CHECK) {
97 s->remain_after_exit = b;
98 unit_write_drop_in_private_format(UNIT(s), mode, name, "RemainAfterExit=%s\n", yes_no(b));
103 } else if (streq(name, "Type")) {
107 r = sd_bus_message_read(message, "s", &t);
111 k = service_type_from_string(t);
113 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service type %s", t);
115 if (mode != UNIT_CHECK) {
117 unit_write_drop_in_private_format(UNIT(s), mode, name, "Type=%s\n", service_type_to_string(s->type));
122 } else if (streq(name, "ExecStart")) {
125 r = sd_bus_message_enter_container(message, 'a', "(sasb)");
129 while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) {
130 _cleanup_strv_free_ char **argv = NULL;
134 r = sd_bus_message_read(message, "s", &path);
138 if (!path_is_absolute(path))
139 return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path);
141 r = sd_bus_message_read_strv(message, &argv);
145 r = sd_bus_message_read(message, "b", &b);
149 r = sd_bus_message_exit_container(message);
153 if (mode != UNIT_CHECK) {
156 c = new0(ExecCommand, 1);
160 c->path = strdup(path);
171 path_kill_slashes(c->path);
172 exec_command_append_list(&s->exec_command[SERVICE_EXEC_START], c);
181 r = sd_bus_message_exit_container(message);
185 if (mode != UNIT_CHECK) {
186 _cleanup_free_ char *buf = NULL;
187 _cleanup_fclose_ FILE *f = NULL;
192 s->exec_command[SERVICE_EXEC_START] = exec_command_free_list(s->exec_command[SERVICE_EXEC_START]);
194 f = open_memstream(&buf, &size);
198 fputs("ExecStart=\n", f);
200 LIST_FOREACH(command, c, s->exec_command[SERVICE_EXEC_START]) {
201 _cleanup_free_ char *a;
203 a = strv_join_quoted(c->argv);
207 fprintf(f, "ExecStart=%s@%s %s\n",
208 c->ignore ? "-" : "",
214 unit_write_drop_in_private(UNIT(s), mode, name, buf);
223 int bus_service_set_property(
226 sd_bus_message *message,
227 UnitSetPropertiesMode mode,
228 sd_bus_error *error) {
230 Service *s = SERVICE(u);
237 r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
241 if (u->transient && u->load_state == UNIT_STUB) {
242 /* This is a transient unit, let's load a little more */
244 r = bus_service_set_transient_property(s, name, message, mode, error);
248 r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, mode, error);
252 r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error);
260 int bus_service_commit_properties(Unit *u) {
263 unit_update_cgroup_members_masks(u);
264 unit_realize_cgroup(u);