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 SD_BUS_PROPERTY("USBFunctionDescriptors", "s", NULL
, offsetof(Service
, usb_function_descriptors
), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
66 SD_BUS_PROPERTY("USBFunctionStrings", "s", NULL
, offsetof(Service
, usb_function_strings
), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
67 BUS_EXEC_STATUS_VTABLE("ExecMain", offsetof(Service
, main_exec_status
), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
),
68 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Service
, exec_command
[SERVICE_EXEC_START_PRE
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
69 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStart", offsetof(Service
, exec_command
[SERVICE_EXEC_START
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
70 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Service
, exec_command
[SERVICE_EXEC_START_POST
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
71 BUS_EXEC_COMMAND_LIST_VTABLE("ExecReload", offsetof(Service
, exec_command
[SERVICE_EXEC_RELOAD
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
72 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStop", offsetof(Service
, exec_command
[SERVICE_EXEC_STOP
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
73 BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Service
, exec_command
[SERVICE_EXEC_STOP_POST
]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
),
77 static int bus_service_set_transient_property(
80 sd_bus_message
*message
,
81 UnitSetPropertiesMode mode
,
82 sd_bus_error
*error
) {
90 if (streq(name
, "RemainAfterExit")) {
93 r
= sd_bus_message_read(message
, "b", &b
);
97 if (mode
!= UNIT_CHECK
) {
98 s
->remain_after_exit
= b
;
99 unit_write_drop_in_private_format(UNIT(s
), mode
, name
, "RemainAfterExit=%s\n", yes_no(b
));
104 } else if (streq(name
, "Type")) {
108 r
= sd_bus_message_read(message
, "s", &t
);
112 k
= service_type_from_string(t
);
114 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid service type %s", t
);
116 if (mode
!= UNIT_CHECK
) {
118 unit_write_drop_in_private_format(UNIT(s
), mode
, name
, "Type=%s\n", service_type_to_string(s
->type
));
123 } else if (streq(name
, "ExecStart")) {
126 r
= sd_bus_message_enter_container(message
, 'a', "(sasb)");
130 while ((r
= sd_bus_message_enter_container(message
, 'r', "sasb")) > 0) {
131 _cleanup_strv_free_
char **argv
= NULL
;
135 r
= sd_bus_message_read(message
, "s", &path
);
139 if (!path_is_absolute(path
))
140 return sd_bus_error_set_errnof(error
, EINVAL
, "Path %s is not absolute.", path
);
142 r
= sd_bus_message_read_strv(message
, &argv
);
146 r
= sd_bus_message_read(message
, "b", &b
);
150 r
= sd_bus_message_exit_container(message
);
154 if (mode
!= UNIT_CHECK
) {
157 c
= new0(ExecCommand
, 1);
161 c
->path
= strdup(path
);
172 path_kill_slashes(c
->path
);
173 exec_command_append_list(&s
->exec_command
[SERVICE_EXEC_START
], c
);
182 r
= sd_bus_message_exit_container(message
);
186 if (mode
!= UNIT_CHECK
) {
187 _cleanup_free_
char *buf
= NULL
;
188 _cleanup_fclose_
FILE *f
= NULL
;
193 s
->exec_command
[SERVICE_EXEC_START
] = exec_command_free_list(s
->exec_command
[SERVICE_EXEC_START
]);
195 f
= open_memstream(&buf
, &size
);
199 fputs("ExecStart=\n", f
);
201 LIST_FOREACH(command
, c
, s
->exec_command
[SERVICE_EXEC_START
]) {
202 _cleanup_free_
char *a
;
204 a
= strv_join_quoted(c
->argv
);
208 fprintf(f
, "ExecStart=%s@%s %s\n",
209 c
->ignore
? "-" : "",
215 unit_write_drop_in_private(UNIT(s
), mode
, name
, buf
);
224 int bus_service_set_property(
227 sd_bus_message
*message
,
228 UnitSetPropertiesMode mode
,
229 sd_bus_error
*error
) {
231 Service
*s
= SERVICE(u
);
238 r
= bus_cgroup_set_property(u
, &s
->cgroup_context
, name
, message
, mode
, error
);
242 if (u
->transient
&& u
->load_state
== UNIT_STUB
) {
243 /* This is a transient unit, let's load a little more */
245 r
= bus_service_set_transient_property(s
, name
, message
, mode
, error
);
249 r
= bus_exec_context_set_transient_property(u
, &s
->exec_context
, name
, message
, mode
, error
);
253 r
= bus_kill_context_set_transient_property(u
, &s
->kill_context
, name
, message
, mode
, error
);
261 int bus_service_commit_properties(Unit
*u
) {
264 unit_update_cgroup_members_masks(u
);
265 unit_realize_cgroup(u
);