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Move missing_xyz.h for glibc headers to src/basic/include/ (#37960)
[thirdparty/systemd.git] / src / core / dbus-manager.c
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1/* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3#include <linux/capability.h>
4#include <sys/prctl.h>
5#include <unistd.h>
6
7#include "alloc-util.h"
8#include "architecture.h"
9#include "bitfield.h"
10#include "build.h"
11#include "bus-common-errors.h"
12#include "bus-get-properties.h"
13#include "bus-log-control-api.h"
14#include "bus-message-util.h"
15#include "bus-util.h"
16#include "chase.h"
17#include "confidential-virt.h"
18#include "dbus-cgroup.h"
19#include "dbus-execute.h"
20#include "dbus.h"
21#include "dbus-job.h"
22#include "dbus-manager.h"
23#include "dbus-scope.h"
24#include "dbus-service.h"
25#include "dbus-unit.h"
26#include "dbus-util.h"
27#include "dynamic-user.h"
28#include "env-util.h"
29#include "errno-util.h"
30#include "fd-util.h"
31#include "format-util.h"
32#include "glyph-util.h"
33#include "hashmap.h"
34#include "initrd-util.h"
35#include "install.h"
36#include "locale-util.h"
37#include "log.h"
38#include "manager-dump.h"
39#include "manager.h"
40#include "memfd-util.h"
41#include "os-util.h"
42#include "path-util.h"
43#include "pidref.h"
44#include "process-util.h"
45#include "selinux-access.h"
46#include "set.h"
47#include "string-util.h"
48#include "strv.h"
49#include "syslog-util.h"
50#include "taint.h"
51#include "unit-name.h"
52#include "user-util.h"
53#include "version.h"
54#include "virt.h"
55#include "watchdog.h"
56
57static UnitFileFlags unit_file_bools_to_flags(bool runtime, bool force) {
58 return (runtime ? UNIT_FILE_RUNTIME : 0) |
59 (force ? UNIT_FILE_FORCE : 0);
60}
61
62BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_oom_policy, oom_policy, OOMPolicy);
63BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_emergency_action, emergency_action, EmergencyAction);
64
65static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_version, "s", GIT_VERSION);
66static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_features, "s", systemd_features);
67static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_architecture, "s", architecture_to_string(uname_architecture()));
68static BUS_DEFINE_PROPERTY_GET2(property_get_system_state, "s", Manager, manager_state, manager_state_to_string);
69static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_timer_slack_nsec, "t", (uint64_t) prctl(PR_GET_TIMERSLACK));
70static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "u", Hashmap *, hashmap_size);
71static BUS_DEFINE_PROPERTY_GET_REF(property_get_set_size, "u", Set *, set_size);
72static BUS_DEFINE_PROPERTY_GET(property_get_default_timeout_abort_usec, "t", Manager, manager_default_timeout_abort_usec);
73static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_device, "s", watchdog_get_device());
74static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_last_ping_realtime, "t", watchdog_get_last_ping(CLOCK_REALTIME));
75static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_watchdog_last_ping_monotonic, "t", watchdog_get_last_ping(CLOCK_MONOTONIC));
76static BUS_DEFINE_PROPERTY_GET(property_get_progress, "d", Manager, manager_get_progress);
77
78static int property_get_virtualization(
79 sd_bus *bus,
80 const char *path,
81 const char *interface,
82 const char *property,
83 sd_bus_message *reply,
84 void *userdata,
85 sd_bus_error *error) {
86
87 Virtualization v;
88
89 assert(bus);
90 assert(reply);
91
92 v = detect_virtualization();
93
94 /* Make sure to return the empty string when we detect no virtualization, as that is the API.
95 *
96 * https://github.com/systemd/systemd/issues/1423
97 */
98
99 return sd_bus_message_append(
100 reply, "s",
101 v == VIRTUALIZATION_NONE ? NULL : virtualization_to_string(v));
102}
103
104static int property_get_confidential_virtualization(
105 sd_bus *bus,
106 const char *path,
107 const char *interface,
108 const char *property,
109 sd_bus_message *reply,
110 void *userdata,
111 sd_bus_error *error) {
112
113 ConfidentialVirtualization v;
114
115 assert(bus);
116 assert(reply);
117
118 v = detect_confidential_virtualization();
119
120 return sd_bus_message_append(
121 reply, "s",
122 v <= 0 ? NULL : confidential_virtualization_to_string(v));
123}
124
125static int property_get_tainted(
126 sd_bus *bus,
127 const char *path,
128 const char *interface,
129 const char *property,
130 sd_bus_message *reply,
131 void *userdata,
132 sd_bus_error *error) {
133
134 assert(bus);
135 assert(reply);
136
137 _cleanup_free_ char *s = taint_string();
138 if (!s)
139 return log_oom();
140
141 return sd_bus_message_append(reply, "s", s);
142}
143
144static int property_set_log_target(
145 sd_bus *bus,
146 const char *path,
147 const char *interface,
148 const char *property,
149 sd_bus_message *value,
150 void *userdata,
151 sd_bus_error *error) {
152
153 Manager *m = userdata;
154 const char *t;
155 int r;
156
157 assert(bus);
158 assert(value);
159
160 r = sd_bus_message_read(value, "s", &t);
161 if (r < 0)
162 return r;
163
164 if (isempty(t))
165 manager_restore_original_log_target(m);
166 else {
167 LogTarget target;
168
169 target = log_target_from_string(t);
170 if (target < 0)
171 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid log target '%s'", t);
172
173 manager_override_log_target(m, target);
174 }
175
176 return 0;
177}
178
179static int property_set_log_level(
180 sd_bus *bus,
181 const char *path,
182 const char *interface,
183 const char *property,
184 sd_bus_message *value,
185 void *userdata,
186 sd_bus_error *error) {
187
188 Manager *m = userdata;
189 const char *t;
190 int r;
191
192 assert(bus);
193 assert(value);
194
195 r = sd_bus_message_read(value, "s", &t);
196 if (r < 0)
197 return r;
198
199 if (isempty(t))
200 manager_restore_original_log_level(m);
201 else {
202 int level;
203
204 level = log_level_from_string(t);
205 if (level < 0)
206 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid log level '%s'", t);
207
208 manager_override_log_level(m, level);
209 }
210
211 return 0;
212}
213
214static int property_get_environment(
215 sd_bus *bus,
216 const char *path,
217 const char *interface,
218 const char *property,
219 sd_bus_message *reply,
220 void *userdata,
221 sd_bus_error *error) {
222
223 _cleanup_strv_free_ char **l = NULL;
224 Manager *m = ASSERT_PTR(userdata);
225 int r;
226
227 assert(bus);
228 assert(reply);
229
230 r = manager_get_effective_environment(m, &l);
231 if (r < 0)
232 return r;
233
234 return sd_bus_message_append_strv(reply, l);
235}
236
237static int property_get_show_status(
238 sd_bus *bus,
239 const char *path,
240 const char *interface,
241 const char *property,
242 sd_bus_message *reply,
243 void *userdata,
244 sd_bus_error *error) {
245
246 Manager *m = ASSERT_PTR(userdata);
247
248 assert(bus);
249 assert(reply);
250
251 return sd_bus_message_append(reply, "b", manager_get_show_status_on(m));
252}
253
254static int property_get_runtime_watchdog(
255 sd_bus *bus,
256 const char *path,
257 const char *interface,
258 const char *property,
259 sd_bus_message *reply,
260 void *userdata,
261 sd_bus_error *error) {
262
263 Manager *m = ASSERT_PTR(userdata);
264
265 assert(bus);
266 assert(reply);
267
268 return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_RUNTIME));
269}
270
271static int property_get_pretimeout_watchdog(
272 sd_bus *bus,
273 const char *path,
274 const char *interface,
275 const char *property,
276 sd_bus_message *reply,
277 void *userdata,
278 sd_bus_error *error) {
279
280 Manager *m = ASSERT_PTR(userdata);
281
282 assert(bus);
283 assert(reply);
284
285 return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_PRETIMEOUT));
286}
287
288static int property_get_pretimeout_watchdog_governor(
289 sd_bus *bus,
290 const char *path,
291 const char *interface,
292 const char *property,
293 sd_bus_message *reply,
294 void *userdata,
295 sd_bus_error *error) {
296
297 Manager *m = ASSERT_PTR(userdata);
298
299 assert(bus);
300 assert(reply);
301
302 return sd_bus_message_append(reply, "s", m->watchdog_pretimeout_governor);
303}
304
305static int property_get_reboot_watchdog(
306 sd_bus *bus,
307 const char *path,
308 const char *interface,
309 const char *property,
310 sd_bus_message *reply,
311 void *userdata,
312 sd_bus_error *error) {
313
314 Manager *m = ASSERT_PTR(userdata);
315
316 assert(bus);
317 assert(reply);
318
319 return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_REBOOT));
320}
321
322static int property_get_kexec_watchdog(
323 sd_bus *bus,
324 const char *path,
325 const char *interface,
326 const char *property,
327 sd_bus_message *reply,
328 void *userdata,
329 sd_bus_error *error) {
330
331 Manager *m = ASSERT_PTR(userdata);
332
333 assert(bus);
334 assert(reply);
335
336 return sd_bus_message_append(reply, "t", manager_get_watchdog(m, WATCHDOG_KEXEC));
337}
338
339static int property_set_watchdog(Manager *m, WatchdogType type, sd_bus_message *value) {
340 usec_t timeout;
341 int r;
342
343 assert(m);
344 assert(value);
345
346 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
347
348 r = sd_bus_message_read(value, "t", &timeout);
349 if (r < 0)
350 return r;
351
352 manager_override_watchdog(m, type, timeout);
353 return 0;
354}
355
356static int property_set_runtime_watchdog(
357 sd_bus *bus,
358 const char *path,
359 const char *interface,
360 const char *property,
361 sd_bus_message *value,
362 void *userdata,
363 sd_bus_error *error) {
364
365 return property_set_watchdog(userdata, WATCHDOG_RUNTIME, value);
366}
367
368static int property_set_pretimeout_watchdog(
369 sd_bus *bus,
370 const char *path,
371 const char *interface,
372 const char *property,
373 sd_bus_message *value,
374 void *userdata,
375 sd_bus_error *error) {
376
377 return property_set_watchdog(userdata, WATCHDOG_PRETIMEOUT, value);
378}
379
380static int property_set_pretimeout_watchdog_governor(
381 sd_bus *bus,
382 const char *path,
383 const char *interface,
384 const char *property,
385 sd_bus_message *value,
386 void *userdata,
387 sd_bus_error *error) {
388
389 Manager *m = ASSERT_PTR(userdata);
390 char *governor;
391 int r;
392
393 r = sd_bus_message_read(value, "s", &governor);
394 if (r < 0)
395 return r;
396 if (!string_is_safe(governor))
397 return -EINVAL;
398
399 return manager_override_watchdog_pretimeout_governor(m, governor);
400}
401
402static int property_set_reboot_watchdog(
403 sd_bus *bus,
404 const char *path,
405 const char *interface,
406 const char *property,
407 sd_bus_message *value,
408 void *userdata,
409 sd_bus_error *error) {
410
411 return property_set_watchdog(userdata, WATCHDOG_REBOOT, value);
412}
413
414static int property_set_kexec_watchdog(
415 sd_bus *bus,
416 const char *path,
417 const char *interface,
418 const char *property,
419 sd_bus_message *value,
420 void *userdata,
421 sd_bus_error *error) {
422
423 _unused_ Manager *m = ASSERT_PTR(userdata);
424
425 assert(bus);
426 assert(value);
427
428 return property_set_watchdog(userdata, WATCHDOG_KEXEC, value);
429}
430
431static int property_get_oom_score_adjust(
432 sd_bus *bus,
433 const char *path,
434 const char *interface,
435 const char *property,
436 sd_bus_message *reply,
437 void *userdata,
438 sd_bus_error *error) {
439
440 Manager *m = ASSERT_PTR(userdata);
441 int r, n;
442
443 assert(bus);
444 assert(reply);
445
446 if (m->defaults.oom_score_adjust_set)
447 n = m->defaults.oom_score_adjust;
448 else {
449 n = 0;
450 r = get_oom_score_adjust(&n);
451 if (r < 0)
452 log_debug_errno(r, "Failed to read current OOM score adjustment value, ignoring: %m");
453 }
454
455 return sd_bus_message_append(reply, "i", n);
456}
457
458static int bus_get_unit_by_name(Manager *m, sd_bus_message *message, const char *name, Unit **ret_unit, sd_bus_error *error) {
459 Unit *u;
460 int r;
461
462 assert(m);
463 assert(message);
464 assert(ret_unit);
465
466 /* More or less a wrapper around manager_get_unit() that generates nice errors and has one trick up
467 * its sleeve: if the name is specified empty we use the client's unit. */
468
469 if (isempty(name)) {
470 _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
471
472 r = bus_query_sender_pidref(message, &pidref);
473 if (r < 0)
474 return r;
475
476 u = manager_get_unit_by_pidref(m, &pidref);
477 if (!u)
478 return sd_bus_error_set(error, BUS_ERROR_NO_SUCH_UNIT, "Client not member of any unit.");
479 } else {
480 u = manager_get_unit(m, name);
481 if (!u)
482 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", name);
483 }
484
485 *ret_unit = u;
486 return 0;
487}
488
489static int bus_load_unit_by_name(Manager *m, sd_bus_message *message, const char *name, Unit **ret_unit, sd_bus_error *error) {
490 assert(m);
491 assert(message);
492 assert(ret_unit);
493
494 /* Pretty much the same as bus_get_unit_by_name(), but we also load the unit if necessary. */
495
496 if (isempty(name))
497 return bus_get_unit_by_name(m, message, name, ret_unit, error);
498
499 return manager_load_unit(m, name, NULL, error, ret_unit);
500}
501
502static int reply_unit_path(Unit *u, sd_bus_message *message, sd_bus_error *error) {
503 _cleanup_free_ char *path = NULL;
504 int r;
505
506 assert(u);
507 assert(message);
508
509 r = mac_selinux_unit_access_check(u, message, "status", error);
510 if (r < 0)
511 return r;
512
513 path = unit_dbus_path(u);
514 if (!path)
515 return log_oom();
516
517 return sd_bus_reply_method_return(message, "o", path);
518}
519
520static int method_get_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
521 Manager *m = ASSERT_PTR(userdata);
522 const char *name;
523 Unit *u;
524 int r;
525
526 assert(message);
527
528 /* Anyone can call this method */
529
530 r = sd_bus_message_read(message, "s", &name);
531 if (r < 0)
532 return r;
533
534 r = bus_get_unit_by_name(m, message, name, &u, error);
535 if (r < 0)
536 return r;
537
538 return reply_unit_path(u, message, error);
539}
540
541static int method_get_unit_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
542 Manager *m = ASSERT_PTR(userdata);
543 _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
544 Unit *u;
545 int r;
546
547 assert(message);
548
549 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
550
551 /* Anyone can call this method */
552
553 r = sd_bus_message_read(message, "u", &pidref.pid);
554 if (r < 0)
555 return r;
556 if (pidref.pid < 0)
557 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PID " PID_FMT, pidref.pid);
558 if (pidref.pid == 0) {
559 r = bus_query_sender_pidref(message, &pidref);
560 if (r < 0)
561 return r;
562 }
563
564 u = manager_get_unit_by_pidref(m, &pidref);
565 if (!u)
566 return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_PID, "PID "PID_FMT" does not belong to any loaded unit.", pidref.pid);
567
568 return reply_unit_path(u, message, error);
569}
570
571static int method_get_unit_by_invocation_id(sd_bus_message *message, void *userdata, sd_bus_error *error) {
572 _cleanup_free_ char *path = NULL;
573 Manager *m = ASSERT_PTR(userdata);
574 sd_id128_t id;
575 Unit *u;
576 int r;
577
578 assert(message);
579
580 /* Anyone can call this method */
581
582 if (bus_message_read_id128(message, &id) < 0)
583 return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid invocation ID");
584
585 if (sd_id128_is_null(id)) {
586 _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
587
588 r = bus_query_sender_pidref(message, &pidref);
589 if (r < 0)
590 return r;
591
592 u = manager_get_unit_by_pidref(m, &pidref);
593 if (!u)
594 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT,
595 "Client " PID_FMT " not member of any unit.", pidref.pid);
596 } else {
597 u = hashmap_get(m->units_by_invocation_id, &id);
598 if (!u)
599 return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_INVOCATION_ID, "No unit with the specified invocation ID " SD_ID128_FORMAT_STR " known.", SD_ID128_FORMAT_VAL(id));
600 }
601
602 r = mac_selinux_unit_access_check(u, message, "status", error);
603 if (r < 0)
604 return r;
605
606 /* So here's a special trick: the bus path we return actually references the unit by its invocation
607 * ID instead of the unit name. This means it stays valid only as long as the invocation ID stays the
608 * same. */
609 path = unit_dbus_path_invocation_id(u);
610 if (!path)
611 return -ENOMEM;
612
613 return sd_bus_reply_method_return(message, "o", path);
614}
615
616static int method_get_unit_by_control_group(sd_bus_message *message, void *userdata, sd_bus_error *error) {
617 Manager *m = userdata;
618 const char *cgroup;
619 Unit *u;
620 int r;
621
622 r = sd_bus_message_read(message, "s", &cgroup);
623 if (r < 0)
624 return r;
625
626 u = manager_get_unit_by_cgroup(m, cgroup);
627 if (!u)
628 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT,
629 "Control group '%s' is not valid or not managed by this instance",
630 cgroup);
631
632 return reply_unit_path(u, message, error);
633}
634
635static int method_get_unit_by_pidfd(sd_bus_message *message, void *userdata, sd_bus_error *error) {
636 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
637 _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
638 Manager *m = ASSERT_PTR(userdata);
639 _cleanup_free_ char *path = NULL;
640 int r, pidfd;
641 Unit *u;
642
643 assert(message);
644
645 r = sd_bus_message_read(message, "h", &pidfd);
646 if (r < 0)
647 return r;
648
649 r = pidref_set_pidfd(&pidref, pidfd);
650 if (r < 0)
651 return sd_bus_error_set_errnof(error, r, "Failed to get PID from PIDFD: %m");
652
653 u = manager_get_unit_by_pidref(m, &pidref);
654 if (!u)
655 return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_PID, "PID "PID_FMT" does not belong to any loaded unit.", pidref.pid);
656
657 r = mac_selinux_unit_access_check(u, message, "status", error);
658 if (r < 0)
659 return r;
660
661 path = unit_dbus_path(u);
662 if (!path)
663 return log_oom();
664
665 r = sd_bus_message_new_method_return(message, &reply);
666 if (r < 0)
667 return r;
668
669 r = sd_bus_message_append(reply, "os", path, u->id);
670 if (r < 0)
671 return r;
672
673 r = sd_bus_message_append_array(reply, 'y', u->invocation_id.bytes, sizeof(u->invocation_id.bytes));
674 if (r < 0)
675 return r;
676
677 /* Double-check that the process is still alive and that the PID did not change before returning the
678 * answer. */
679 r = pidref_verify(&pidref);
680 if (r == -ESRCH)
681 return sd_bus_error_setf(error,
682 BUS_ERROR_NO_SUCH_PROCESS,
683 "The PIDFD's PID "PID_FMT" changed during the lookup operation.",
684 pidref.pid);
685 if (r < 0)
686 return sd_bus_error_set_errnof(error, r, "Failed to get PID from PIDFD: %m");
687
688 return sd_bus_message_send(reply);
689}
690
691static int method_load_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
692 Manager *m = ASSERT_PTR(userdata);
693 const char *name;
694 Unit *u;
695 int r;
696
697 assert(message);
698
699 /* Anyone can call this method */
700
701 r = sd_bus_message_read(message, "s", &name);
702 if (r < 0)
703 return r;
704
705 r = bus_load_unit_by_name(m, message, name, &u, error);
706 if (r < 0)
707 return r;
708
709 return reply_unit_path(u, message, error);
710}
711
712static int method_start_unit_generic(sd_bus_message *message, Manager *m, JobType job_type, bool reload_if_possible, sd_bus_error *error) {
713 const char *name;
714 Unit *u;
715 int r;
716
717 assert(message);
718 assert(m);
719
720 r = sd_bus_message_read(message, "s", &name);
721 if (r < 0)
722 return r;
723
724 r = manager_load_unit(m, name, NULL, error, &u);
725 if (r < 0)
726 return r;
727
728 return bus_unit_method_start_generic(message, u, job_type, reload_if_possible, error);
729}
730
731static int method_start_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
732 return method_start_unit_generic(message, userdata, JOB_START, /* reload_if_possible = */ false, error);
733}
734
735static int method_stop_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
736 return method_start_unit_generic(message, userdata, JOB_STOP, /* reload_if_possible = */ false, error);
737}
738
739static int method_reload_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
740 return method_start_unit_generic(message, userdata, JOB_RELOAD, /* reload_if_possible = */ false, error);
741}
742
743static int method_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
744 return method_start_unit_generic(message, userdata, JOB_RESTART, /* reload_if_possible = */ false, error);
745}
746
747static int method_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
748 return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, /* reload_if_possible = */ false, error);
749}
750
751static int method_reload_or_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
752 return method_start_unit_generic(message, userdata, JOB_RESTART, /* reload_if_possible = */ true, error);
753}
754
755static int method_reload_or_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
756 return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, /* reload_if_possible = */ true, error);
757}
758
759typedef enum GenericUnitOperationFlags {
760 GENERIC_UNIT_LOAD = 1 << 0, /* Load if the unit is not loaded yet */
761 GENERIC_UNIT_VALIDATE_LOADED = 1 << 1, /* Verify unit is properly loaded before forwarding call */
762} GenericUnitOperationFlags;
763
764static int method_generic_unit_operation(
765 sd_bus_message *message,
766 Manager *m,
767 sd_bus_error *error,
768 sd_bus_message_handler_t handler,
769 GenericUnitOperationFlags flags) {
770
771 const char *name;
772 Unit *u;
773 int r;
774
775 assert(message);
776 assert(m);
777 assert(handler);
778
779 /* Read the first argument from the command and pass the operation to the specified per-unit
780 * method. */
781
782 r = sd_bus_message_read(message, "s", &name);
783 if (r < 0)
784 return r;
785
786 if (!isempty(name) && FLAGS_SET(flags, GENERIC_UNIT_LOAD))
787 r = manager_load_unit(m, name, NULL, error, &u);
788 else
789 r = bus_get_unit_by_name(m, message, name, &u, error);
790 if (r < 0)
791 return r;
792
793 if (FLAGS_SET(flags, GENERIC_UNIT_VALIDATE_LOADED)) {
794 r = bus_unit_validate_load_state(u, error);
795 if (r < 0)
796 return r;
797 }
798
799 return handler(message, u, error);
800}
801
802static int method_enqueue_unit_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
803 /* We don't bother with GENERIC_UNIT_VALIDATE_LOADED here, as the job logic validates that anyway */
804 return method_generic_unit_operation(message, userdata, error, bus_unit_method_enqueue_job, GENERIC_UNIT_LOAD);
805}
806
807static int method_start_unit_replace(sd_bus_message *message, void *userdata, sd_bus_error *error) {
808 Manager *m = ASSERT_PTR(userdata);
809 const char *old_name;
810 Unit *u;
811 int r;
812
813 assert(message);
814
815 r = sd_bus_message_read(message, "s", &old_name);
816 if (r < 0)
817 return r;
818
819 r = bus_get_unit_by_name(m, message, old_name, &u, error);
820 if (r < 0)
821 return r;
822 if (!u->job || u->job->type != JOB_START)
823 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name);
824
825 return method_start_unit_generic(message, m, JOB_START, /* reload_if_possible = */ false, error);
826}
827
828static int method_kill_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
829 /* We don't bother with GENERIC_UNIT_LOAD nor GENERIC_UNIT_VALIDATE_LOADED here, as it shouldn't
830 * matter whether a unit is loaded for killing any processes possibly in the unit's cgroup. */
831 return method_generic_unit_operation(message, userdata, error, bus_unit_method_kill, 0);
832}
833
834static int method_clean_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
835 /* Load the unit if necessary, in order to load it, and insist on the unit being loaded to be
836 * cleaned */
837 return method_generic_unit_operation(message, userdata, error, bus_unit_method_clean, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED);
838}
839
840static int method_freeze_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
841 /* Only active units can be frozen, which must be properly loaded already */
842 return method_generic_unit_operation(message, userdata, error, bus_unit_method_freeze, GENERIC_UNIT_VALIDATE_LOADED);
843}
844
845static int method_thaw_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
846 /* Same as freeze above */
847 return method_generic_unit_operation(message, userdata, error, bus_unit_method_thaw, GENERIC_UNIT_VALIDATE_LOADED);
848}
849
850static int method_reset_failed_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
851 /* Don't load the unit (because unloaded units can't be in failed state), and don't insist on the
852 * unit to be loaded properly (since a failed unit might have its unit file disappeared) */
853 return method_generic_unit_operation(message, userdata, error, bus_unit_method_reset_failed, 0);
854}
855
856static int method_set_unit_properties(sd_bus_message *message, void *userdata, sd_bus_error *error) {
857 /* Only change properties on fully loaded units, and load them in order to set properties */
858 return method_generic_unit_operation(message, userdata, error, bus_unit_method_set_properties, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED);
859}
860
861static int method_bind_mount_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
862 /* Only add mounts on fully loaded units */
863 return method_generic_unit_operation(message, userdata, error, bus_service_method_bind_mount, GENERIC_UNIT_VALIDATE_LOADED);
864}
865
866static int method_mount_image_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
867 /* Only add mounts on fully loaded units */
868 return method_generic_unit_operation(message, userdata, error, bus_service_method_mount_image, GENERIC_UNIT_VALIDATE_LOADED);
869}
870
871static int method_ref_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
872 /* Only allow reffing of fully loaded units, and make sure reffing a unit loads it. */
873 return method_generic_unit_operation(message, userdata, error, bus_unit_method_ref, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED);
874}
875
876static int method_unref_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
877 /* Dropping a ref OTOH should not require the unit to still be loaded. And since a reffed unit is a
878 * loaded unit there's no need to load the unit for unreffing it. */
879 return method_generic_unit_operation(message, userdata, error, bus_unit_method_unref, 0);
880}
881
882static int reply_unit_info(sd_bus_message *reply, Unit *u) {
883 _cleanup_free_ char *unit_path = NULL, *job_path = NULL;
884 Unit *following;
885
886 following = unit_following(u);
887
888 unit_path = unit_dbus_path(u);
889 if (!unit_path)
890 return -ENOMEM;
891
892 if (u->job) {
893 job_path = job_dbus_path(u->job);
894 if (!job_path)
895 return -ENOMEM;
896 }
897
898 return sd_bus_message_append(
899 reply, "(ssssssouso)",
900 u->id,
901 unit_description(u),
902 unit_load_state_to_string(u->load_state),
903 unit_active_state_to_string(unit_active_state(u)),
904 unit_sub_state_to_string(u),
905 following ? following->id : "",
906 unit_path,
907 u->job ? u->job->id : 0,
908 u->job ? job_type_to_string(u->job->type) : "",
909 empty_to_root(job_path));
910}
911
912static int method_list_units_by_names(sd_bus_message *message, void *userdata, sd_bus_error *error) {
913 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
914 Manager *m = ASSERT_PTR(userdata);
915 int r;
916 _cleanup_strv_free_ char **units = NULL;
917
918 assert(message);
919
920 r = sd_bus_message_read_strv(message, &units);
921 if (r < 0)
922 return r;
923
924 r = sd_bus_message_new_method_return(message, &reply);
925 if (r < 0)
926 return r;
927
928 r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)");
929 if (r < 0)
930 return r;
931
932 STRV_FOREACH(unit, units) {
933 Unit *u;
934
935 if (!unit_name_is_valid(*unit, UNIT_NAME_ANY))
936 continue;
937
938 r = bus_load_unit_by_name(m, message, *unit, &u, error);
939 if (r < 0)
940 return r;
941
942 r = reply_unit_info(reply, u);
943 if (r < 0)
944 return r;
945 }
946
947 r = sd_bus_message_close_container(reply);
948 if (r < 0)
949 return r;
950
951 return sd_bus_message_send(reply);
952}
953
954static int method_get_unit_processes(sd_bus_message *message, void *userdata, sd_bus_error *error) {
955 /* Don't load a unit actively (since it won't have any processes if it's not loaded), but don't
956 * insist on the unit being loaded either (because even improperly loaded units might still have
957 * processes around). */
958 return method_generic_unit_operation(message, userdata, error, bus_unit_method_get_processes, /* flags = */ 0);
959}
960
961static int method_attach_processes_to_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
962 /* Don't allow attaching new processes to units that aren't loaded. Don't bother with loading a unit
963 * for this purpose though, as an unloaded unit is a stopped unit, and we don't allow attaching
964 * processes to stopped units anyway. */
965 return method_generic_unit_operation(message, userdata, error, bus_unit_method_attach_processes, GENERIC_UNIT_VALIDATE_LOADED);
966}
967
968static int method_remove_subgroup_from_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
969 /* Don't allow removal of subgroups from units that aren't loaded. But allow loading the unit, since
970 * this is clean-up work, that is OK to do when the unit is stopped already. */
971 return method_generic_unit_operation(message, userdata, error, bus_unit_method_remove_subgroup, GENERIC_UNIT_LOAD|GENERIC_UNIT_VALIDATE_LOADED);
972}
973
974static int transient_unit_from_message(
975 Manager *m,
976 sd_bus_message *message,
977 const char *name,
978 Unit **ret_unit,
979 sd_bus_error *error) {
980
981 UnitType t;
982 Unit *u;
983 int r;
984
985 assert(m);
986 assert(message);
987 assert(name);
988
989 t = unit_name_to_type(name);
990 if (t < 0)
991 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
992 "Invalid unit name or type.");
993
994 if (!unit_vtable[t]->can_transient)
995 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
996 "Unit type %s does not support transient units.",
997 unit_type_to_string(t));
998
999 r = manager_load_unit(m, name, NULL, error, &u);
1000 if (r < 0)
1001 return r;
1002
1003 if (!unit_is_pristine(u))
1004 return sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS,
1005 "Unit %s was already loaded or has a fragment file.", name);
1006
1007 /* OK, the unit failed to load and is unreferenced, now let's
1008 * fill in the transient data instead */
1009 r = unit_make_transient(u);
1010 if (r < 0)
1011 return r;
1012
1013 /* Set our properties */
1014 r = bus_unit_set_properties(u, message, UNIT_RUNTIME, false, error);
1015 if (r < 0)
1016 return r;
1017
1018 /* If the client asked for it, automatically add a reference to this unit. */
1019 if (u->bus_track_add) {
1020 r = bus_unit_track_add_sender(u, message);
1021 if (r < 0)
1022 return log_error_errno(r, "Failed to watch sender: %m");
1023 }
1024
1025 /* Now load the missing bits of the unit we just created */
1026 unit_add_to_load_queue(u);
1027 manager_dispatch_load_queue(m);
1028
1029 if (ret_unit)
1030 *ret_unit = u;
1031
1032 return 0;
1033}
1034
1035static int transient_aux_units_from_message(
1036 Manager *m,
1037 sd_bus_message *message,
1038 sd_bus_error *error) {
1039
1040 int r;
1041
1042 assert(m);
1043 assert(message);
1044
1045 r = sd_bus_message_enter_container(message, 'a', "(sa(sv))");
1046 if (r < 0)
1047 return r;
1048
1049 while ((r = sd_bus_message_enter_container(message, 'r', "sa(sv)")) > 0) {
1050 const char *name;
1051
1052 r = sd_bus_message_read(message, "s", &name);
1053 if (r < 0)
1054 return r;
1055
1056 r = transient_unit_from_message(m, message, name, /* ret_unit = */ NULL, error);
1057 if (r < 0)
1058 return r;
1059
1060 r = sd_bus_message_exit_container(message);
1061 if (r < 0)
1062 return r;
1063 }
1064 if (r < 0)
1065 return r;
1066
1067 r = sd_bus_message_exit_container(message);
1068 if (r < 0)
1069 return r;
1070
1071 return 0;
1072}
1073
1074static int method_start_transient_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1075 const char *name, *smode;
1076 Manager *m = ASSERT_PTR(userdata);
1077 JobMode mode;
1078 Unit *u;
1079 int r;
1080
1081 assert(message);
1082
1083 r = mac_selinux_access_check(message, "start", error);
1084 if (r < 0)
1085 return r;
1086
1087 r = sd_bus_message_read(message, "ss", &name, &smode);
1088 if (r < 0)
1089 return r;
1090
1091 mode = job_mode_from_string(smode);
1092 if (mode < 0)
1093 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s is invalid.", smode);
1094
1095 r = bus_verify_manage_units_async_impl(
1096 m,
1097 name,
1098 "start",
1099 N_("Authentication is required to start transient unit '$(unit)'."),
1100 message,
1101 error);
1102 if (r < 0)
1103 return r;
1104 if (r == 0)
1105 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1106
1107 r = transient_unit_from_message(m, message, name, &u, error);
1108 if (r < 0)
1109 return r;
1110
1111 r = transient_aux_units_from_message(m, message, error);
1112 if (r < 0)
1113 return r;
1114
1115 /* Finally, start it */
1116 return bus_unit_queue_job(message, u, JOB_START, mode, 0, error);
1117}
1118
1119static int method_get_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1120 _cleanup_free_ char *path = NULL;
1121 Manager *m = ASSERT_PTR(userdata);
1122 uint32_t id;
1123 Job *j;
1124 int r;
1125
1126 assert(message);
1127
1128 /* Anyone can call this method */
1129
1130 r = sd_bus_message_read(message, "u", &id);
1131 if (r < 0)
1132 return r;
1133
1134 j = manager_get_job(m, id);
1135 if (!j)
1136 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
1137
1138 r = mac_selinux_unit_access_check(j->unit, message, "status", error);
1139 if (r < 0)
1140 return r;
1141
1142 path = job_dbus_path(j);
1143 if (!path)
1144 return -ENOMEM;
1145
1146 return sd_bus_reply_method_return(message, "o", path);
1147}
1148
1149static int method_cancel_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1150 Manager *m = ASSERT_PTR(userdata);
1151 uint32_t id;
1152 Job *j;
1153 int r;
1154
1155 assert(message);
1156
1157 r = sd_bus_message_read(message, "u", &id);
1158 if (r < 0)
1159 return r;
1160
1161 j = manager_get_job(m, id);
1162 if (!j)
1163 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
1164
1165 return bus_job_method_cancel(message, j, error);
1166}
1167
1168static int method_clear_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1169 Manager *m = ASSERT_PTR(userdata);
1170 int r;
1171
1172 assert(message);
1173
1174 r = mac_selinux_access_check(message, "reload", error);
1175 if (r < 0)
1176 return r;
1177
1178 r = bus_verify_manage_units_async(m, message, error);
1179 if (r < 0)
1180 return r;
1181 if (r == 0)
1182 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1183
1184 manager_clear_jobs(m);
1185
1186 return sd_bus_reply_method_return(message, NULL);
1187}
1188
1189static int method_reset_failed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1190 Manager *m = ASSERT_PTR(userdata);
1191 int r;
1192
1193 assert(message);
1194
1195 r = mac_selinux_access_check(message, "reload", error);
1196 if (r < 0)
1197 return r;
1198
1199 r = bus_verify_manage_units_async(m, message, error);
1200 if (r < 0)
1201 return r;
1202 if (r == 0)
1203 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1204
1205 manager_reset_failed(m);
1206
1207 return sd_bus_reply_method_return(message, NULL);
1208}
1209
1210static int list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) {
1211 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1212 Manager *m = ASSERT_PTR(userdata);
1213 const char *k;
1214 Unit *u;
1215 int r;
1216
1217 assert(message);
1218
1219 /* Anyone can call this method */
1220
1221 r = mac_selinux_access_check(message, "status", error);
1222 if (r < 0)
1223 return r;
1224
1225 r = sd_bus_message_new_method_return(message, &reply);
1226 if (r < 0)
1227 return r;
1228
1229 r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)");
1230 if (r < 0)
1231 return r;
1232
1233 HASHMAP_FOREACH_KEY(u, k, m->units) {
1234 if (k != u->id)
1235 continue;
1236
1237 if (!unit_passes_filter(u, states, patterns))
1238 continue;
1239
1240 r = reply_unit_info(reply, u);
1241 if (r < 0)
1242 return r;
1243 }
1244
1245 r = sd_bus_message_close_container(reply);
1246 if (r < 0)
1247 return r;
1248
1249 return sd_bus_message_send(reply);
1250}
1251
1252static int method_list_units(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1253 return list_units_filtered(message, userdata, error, NULL, NULL);
1254}
1255
1256static int method_list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1257 _cleanup_strv_free_ char **states = NULL;
1258 int r;
1259
1260 r = sd_bus_message_read_strv(message, &states);
1261 if (r < 0)
1262 return r;
1263
1264 return list_units_filtered(message, userdata, error, states, NULL);
1265}
1266
1267static int method_list_units_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1268 _cleanup_strv_free_ char **states = NULL;
1269 _cleanup_strv_free_ char **patterns = NULL;
1270 int r;
1271
1272 r = sd_bus_message_read_strv(message, &states);
1273 if (r < 0)
1274 return r;
1275
1276 r = sd_bus_message_read_strv(message, &patterns);
1277 if (r < 0)
1278 return r;
1279
1280 return list_units_filtered(message, userdata, error, states, patterns);
1281}
1282
1283static int method_list_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1284 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1285 Manager *m = ASSERT_PTR(userdata);
1286 Job *j;
1287 int r;
1288
1289 assert(message);
1290
1291 /* Anyone can call this method */
1292
1293 r = mac_selinux_access_check(message, "status", error);
1294 if (r < 0)
1295 return r;
1296
1297 r = sd_bus_message_new_method_return(message, &reply);
1298 if (r < 0)
1299 return r;
1300
1301 r = sd_bus_message_open_container(reply, 'a', "(usssoo)");
1302 if (r < 0)
1303 return r;
1304
1305 HASHMAP_FOREACH(j, m->jobs) {
1306 _cleanup_free_ char *unit_path = NULL, *job_path = NULL;
1307
1308 job_path = job_dbus_path(j);
1309 if (!job_path)
1310 return -ENOMEM;
1311
1312 unit_path = unit_dbus_path(j->unit);
1313 if (!unit_path)
1314 return -ENOMEM;
1315
1316 r = sd_bus_message_append(
1317 reply, "(usssoo)",
1318 j->id,
1319 j->unit->id,
1320 job_type_to_string(j->type),
1321 job_state_to_string(j->state),
1322 job_path,
1323 unit_path);
1324 if (r < 0)
1325 return r;
1326 }
1327
1328 r = sd_bus_message_close_container(reply);
1329 if (r < 0)
1330 return r;
1331
1332 return sd_bus_message_send(reply);
1333}
1334
1335static int method_subscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1336 Manager *m = ASSERT_PTR(userdata);
1337 int r;
1338
1339 assert(message);
1340
1341 /* Anyone can call this method */
1342
1343 r = mac_selinux_access_check(message, "status", error);
1344 if (r < 0)
1345 return r;
1346
1347 if (sd_bus_message_get_bus(message) == m->api_bus) {
1348
1349 /* Note that direct bus connection subscribe by
1350 * default, we only track peers on the API bus here */
1351
1352 if (!m->subscribed) {
1353 r = sd_bus_track_new(sd_bus_message_get_bus(message), &m->subscribed, NULL, NULL);
1354 if (r < 0)
1355 return r;
1356 }
1357
1358 r = sd_bus_track_add_sender(m->subscribed, message);
1359 if (r < 0)
1360 return r;
1361 if (r == 0)
1362 return sd_bus_error_set(error, BUS_ERROR_ALREADY_SUBSCRIBED, "Client is already subscribed.");
1363 }
1364
1365 return sd_bus_reply_method_return(message, NULL);
1366}
1367
1368static int method_unsubscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1369 Manager *m = ASSERT_PTR(userdata);
1370 int r;
1371
1372 assert(message);
1373
1374 /* Anyone can call this method */
1375
1376 r = mac_selinux_access_check(message, "status", error);
1377 if (r < 0)
1378 return r;
1379
1380 if (sd_bus_message_get_bus(message) == m->api_bus) {
1381 r = sd_bus_track_remove_sender(m->subscribed, message);
1382 if (r < 0)
1383 return r;
1384 if (r == 0)
1385 return sd_bus_error_set(error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
1386 }
1387
1388 return sd_bus_reply_method_return(message, NULL);
1389}
1390
1391static int dump_impl(
1392 sd_bus_message *message,
1393 void *userdata,
1394 sd_bus_error *error,
1395 char **patterns,
1396 int (*reply)(sd_bus_message *, char *)) {
1397
1398 _cleanup_free_ char *dump = NULL;
1399 Manager *m = ASSERT_PTR(userdata);
1400 int r;
1401
1402 assert(message);
1403
1404 /* 'status' access is the bare minimum always needed for this, as the policy might straight out
1405 * forbid a client from querying any information from systemd, regardless of any rate limiting. */
1406 r = mac_selinux_access_check(message, "status", error);
1407 if (r < 0)
1408 return r;
1409
1410 /* Rate limit reached? Check if the caller is privileged/allowed by policy to bypass this. We
1411 * check the rate limit first to avoid the expensive roundtrip to polkit when not needed. */
1412 if (!ratelimit_below(&m->dump_ratelimit)) {
1413 /* We need a way for SELinux to constrain the operation when the rate limit is active, even
1414 * if polkit would allow it, but we cannot easily add new named permissions, so we need to
1415 * use an existing one. Reload/reexec are also slow but non-destructive/modifying
1416 * operations, and can cause PID1 to stall. So it seems similar enough in terms of security
1417 * considerations and impact, and thus use the same access check for dumps which, given the
1418 * large amount of data to fetch, can stall PID1 for quite some time. */
1419 r = mac_selinux_access_check(message, "reload", /* error = */ NULL);
1420 if (r < 0)
1421 goto ratelimited;
1422
1423 r = bus_verify_bypass_dump_ratelimit_async(m, message, /* error = */ NULL);
1424 if (r < 0)
1425 goto ratelimited;
1426 if (r == 0)
1427 /* No authorization for now, but the async polkit stuff will call us again when it
1428 * has it */
1429 return 1;
1430 }
1431
1432 r = manager_get_dump_string(m, patterns, &dump);
1433 if (r < 0)
1434 return r;
1435
1436 return reply(message, dump);
1437
1438ratelimited:
1439 log_warning("Dump request rejected due to rate limit on unprivileged callers, blocked for %s.",
1440 FORMAT_TIMESPAN(ratelimit_left(&m->dump_ratelimit), USEC_PER_SEC));
1441 return sd_bus_error_setf(error,
1442 SD_BUS_ERROR_LIMITS_EXCEEDED,
1443 "Dump request rejected due to rate limit on unprivileged callers, blocked for %s.",
1444 FORMAT_TIMESPAN(ratelimit_left(&m->dump_ratelimit), USEC_PER_SEC));
1445}
1446
1447static int reply_dump(sd_bus_message *message, char *dump) {
1448 return sd_bus_reply_method_return(message, "s", dump);
1449}
1450
1451static int method_dump(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1452 return dump_impl(message, userdata, error, NULL, reply_dump);
1453}
1454
1455static int reply_dump_by_fd(sd_bus_message *message, char *dump) {
1456 _cleanup_close_ int fd = -EBADF;
1457
1458 fd = memfd_new_and_seal_string("dump", dump);
1459 if (fd < 0)
1460 return fd;
1461
1462 return sd_bus_reply_method_return(message, "h", fd);
1463}
1464
1465static int method_dump_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1466 return dump_impl(message, userdata, error, NULL, reply_dump_by_fd);
1467}
1468
1469static int dump_units_matching_patterns(
1470 sd_bus_message *message,
1471 void *userdata,
1472 sd_bus_error *error,
1473 int (*reply)(sd_bus_message *, char *)) {
1474 _cleanup_strv_free_ char **patterns = NULL;
1475 int r;
1476
1477 r = sd_bus_message_read_strv(message, &patterns);
1478 if (r < 0)
1479 return r;
1480
1481 return dump_impl(message, userdata, error, patterns, reply);
1482}
1483
1484static int method_dump_units_matching_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1485 return dump_units_matching_patterns(message, userdata, error, reply_dump);
1486}
1487
1488static int method_dump_units_matching_patterns_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1489 return dump_units_matching_patterns(message, userdata, error, reply_dump_by_fd);
1490}
1491
1492static int method_refuse_snapshot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1493 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for snapshots has been removed.");
1494}
1495
1496static void log_caller(sd_bus_message *message, Manager *manager, const char *method) {
1497 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
1498 _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL;
1499
1500 assert(message);
1501 assert(manager);
1502 assert(method);
1503
1504 if (sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID|SD_BUS_CREDS_PIDFD|SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_COMM, &creds) < 0)
1505 return;
1506
1507 /* We need at least the PID, otherwise there's nothing to log, the rest is optional. */
1508 if (bus_creds_get_pidref(creds, &pidref) < 0)
1509 return;
1510
1511 const char *comm = NULL;
1512 Unit *caller;
1513
1514 (void) sd_bus_creds_get_comm(creds, &comm);
1515 caller = manager_get_unit_by_pidref(manager, &pidref);
1516
1517 log_notice("%s requested from client PID " PID_FMT "%s%s%s%s%s%s...",
1518 method, pidref.pid,
1519 comm ? " ('" : "", strempty(comm), comm ? "')" : "",
1520 caller ? " (unit " : "", caller ? caller->id : "", caller ? ")" : "");
1521}
1522
1523static int method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1524 Manager *m = ASSERT_PTR(userdata);
1525 int r;
1526
1527 assert(message);
1528
1529 r = mac_selinux_access_check(message, "reload", error);
1530 if (r < 0)
1531 return r;
1532
1533 r = bus_verify_reload_daemon_async(m, message, error);
1534 if (r < 0)
1535 return r;
1536 if (r == 0)
1537 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1538
1539 /* Write a log message noting the unit or process who requested the Reload() */
1540 log_caller(message, m, "Reload");
1541
1542 /* Check the rate limit after the authorization succeeds, to avoid denial-of-service issues. */
1543 if (!ratelimit_below(&m->reload_reexec_ratelimit)) {
1544 log_warning("Reloading request rejected due to rate limit.");
1545 return sd_bus_error_setf(error,
1546 SD_BUS_ERROR_LIMITS_EXCEEDED,
1547 "Reload() request rejected due to rate limit.");
1548 }
1549
1550 /* Instead of sending the reply back right away, we just
1551 * remember that we need to and then send it after the reload
1552 * is finished. That way the caller knows when the reload
1553 * finished. */
1554
1555 assert(!m->pending_reload_message);
1556 r = sd_bus_message_new_method_return(message, &m->pending_reload_message);
1557 if (r < 0)
1558 return r;
1559
1560 m->objective = MANAGER_RELOAD;
1561
1562 return 1;
1563}
1564
1565static int method_reexecute(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1566 Manager *m = ASSERT_PTR(userdata);
1567 int r;
1568
1569 assert(message);
1570
1571 r = mac_selinux_access_check(message, "reload", error);
1572 if (r < 0)
1573 return r;
1574
1575 r = bus_verify_reload_daemon_async(m, message, error);
1576 if (r < 0)
1577 return r;
1578 if (r == 0)
1579 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1580
1581 /* Write a log message noting the unit or process who requested the Reexecute() */
1582 log_caller(message, m, "Reexecution");
1583
1584 /* Check the rate limit after the authorization succeeds, to avoid denial-of-service issues. */
1585 if (!ratelimit_below(&m->reload_reexec_ratelimit)) {
1586 log_warning("Reexecution request rejected due to rate limit.");
1587 return sd_bus_error_setf(error,
1588 SD_BUS_ERROR_LIMITS_EXCEEDED,
1589 "Reexecute() request rejected due to rate limit.");
1590 }
1591
1592 /* We don't send a reply back here, the client should
1593 * just wait for us disconnecting. */
1594
1595 m->objective = MANAGER_REEXECUTE;
1596 return 1;
1597}
1598
1599static int method_exit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1600 Manager *m = ASSERT_PTR(userdata);
1601 int r;
1602
1603 assert(message);
1604
1605 r = mac_selinux_access_check(message, "halt", error);
1606 if (r < 0)
1607 return r;
1608
1609 log_caller(message, m, "Exit");
1610
1611 /* Exit() (in contrast to SetExitCode()) is actually allowed even if
1612 * we are running on the host. It will fall back on reboot() in
1613 * systemd-shutdown if it cannot do the exit() because it isn't a
1614 * container. */
1615
1616 m->objective = MANAGER_EXIT;
1617
1618 return sd_bus_reply_method_return(message, NULL);
1619}
1620
1621static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1622 Manager *m = ASSERT_PTR(userdata);
1623 int r;
1624
1625 assert(message);
1626
1627 if (!MANAGER_IS_SYSTEM(m))
1628 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED,
1629 "Reboot is only supported by system manager.");
1630
1631 r = mac_selinux_access_check(message, "reboot", error);
1632 if (r < 0)
1633 return r;
1634
1635 log_caller(message, m, "Reboot");
1636
1637 m->objective = MANAGER_REBOOT;
1638
1639 return sd_bus_reply_method_return(message, NULL);
1640}
1641
1642static int method_soft_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1643 Manager *m = ASSERT_PTR(userdata);
1644 _cleanup_free_ char *rt = NULL;
1645 const char *root;
1646 int r;
1647
1648 assert(message);
1649
1650 if (!MANAGER_IS_SYSTEM(m))
1651 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED,
1652 "Soft reboot is only supported by system manager.");
1653
1654 r = mac_selinux_access_check(message, "reboot", error);
1655 if (r < 0)
1656 return r;
1657
1658 r = sd_bus_message_read(message, "s", &root);
1659 if (r < 0)
1660 return r;
1661
1662 if (!isempty(root)) {
1663 if (!path_is_valid(root))
1664 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1665 "New root directory '%s' must be a valid path.", root);
1666 if (!path_is_absolute(root))
1667 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1668 "New root directory path '%s' is not absolute.", root);
1669
1670 r = path_simplify_alloc(root, &rt);
1671 if (r < 0)
1672 return r;
1673 }
1674
1675 log_caller(message, m, "Soft reboot");
1676
1677 free_and_replace(m->switch_root, rt);
1678 m->objective = MANAGER_SOFT_REBOOT;
1679
1680 return sd_bus_reply_method_return(message, NULL);
1681}
1682
1683static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1684 Manager *m = ASSERT_PTR(userdata);
1685 int r;
1686
1687 assert(message);
1688
1689 if (!MANAGER_IS_SYSTEM(m))
1690 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED,
1691 "Powering off is only supported by system manager.");
1692
1693 r = mac_selinux_access_check(message, "halt", error);
1694 if (r < 0)
1695 return r;
1696
1697 log_caller(message, m, "Poweroff");
1698
1699 m->objective = MANAGER_POWEROFF;
1700
1701 return sd_bus_reply_method_return(message, NULL);
1702}
1703
1704static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1705 Manager *m = ASSERT_PTR(userdata);
1706 int r;
1707
1708 assert(message);
1709
1710 if (!MANAGER_IS_SYSTEM(m))
1711 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED,
1712 "Halt is only supported by system manager.");
1713
1714 r = mac_selinux_access_check(message, "halt", error);
1715 if (r < 0)
1716 return r;
1717
1718 log_caller(message, m, "Halt");
1719
1720 m->objective = MANAGER_HALT;
1721
1722 return sd_bus_reply_method_return(message, NULL);
1723}
1724
1725static int method_kexec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1726 Manager *m = ASSERT_PTR(userdata);
1727 int r;
1728
1729 assert(message);
1730
1731 if (!MANAGER_IS_SYSTEM(m))
1732 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED,
1733 "KExec is only supported by system manager.");
1734
1735 r = mac_selinux_access_check(message, "reboot", error);
1736 if (r < 0)
1737 return r;
1738
1739 log_caller(message, m, "Kexec");
1740
1741 m->objective = MANAGER_KEXEC;
1742
1743 return sd_bus_reply_method_return(message, NULL);
1744}
1745
1746static int method_switch_root(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1747 Manager *m = ASSERT_PTR(userdata);
1748 _cleanup_free_ char *ri = NULL, *rt = NULL;
1749 const char *root, *init;
1750 int r;
1751
1752 assert(message);
1753
1754 if (!MANAGER_IS_SYSTEM(m))
1755 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED,
1756 "Root switching is only supported by system manager.");
1757
1758 r = mac_selinux_access_check(message, "reboot", error);
1759 if (r < 0)
1760 return r;
1761
1762 r = sd_bus_message_read(message, "ss", &root, &init);
1763 if (r < 0)
1764 return r;
1765
1766 if (isempty(root))
1767 /* If path is not specified, default to "/sysroot" which is what we generally expect initrds
1768 * to use */
1769 root = "/sysroot";
1770 else {
1771 if (!path_is_valid(root))
1772 return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS,
1773 "New root directory must be a valid path.");
1774
1775 if (!path_is_absolute(root))
1776 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1777 "New root path '%s' is not absolute.", root);
1778
1779 r = path_is_root(root);
1780 if (r < 0)
1781 return sd_bus_error_set_errnof(error, r,
1782 "Failed to check if new root directory '%s' is the same as old root: %m",
1783 root);
1784 if (r > 0)
1785 return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS,
1786 "New root directory cannot be the old root directory.");
1787 }
1788
1789 /* Safety check */
1790 if (!in_initrd())
1791 return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS,
1792 "Not in initrd, refusing switch-root operation.");
1793
1794 r = path_is_os_tree(root);
1795 if (r < 0)
1796 return sd_bus_error_set_errnof(error, r,
1797 "Failed to determine whether root path '%s' contains an OS tree: %m",
1798 root);
1799 if (r == 0)
1800 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1801 "Specified switch root path '%s' does not seem to be an OS tree. os-release file is missing.",
1802 root);
1803
1804 if (!isempty(init)) {
1805 if (!path_is_valid(init))
1806 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1807 "Path to init binary '%s' is not a valid path.", init);
1808
1809 if (!path_is_absolute(init))
1810 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1811 "Path to init binary '%s' not absolute.", init);
1812
1813 r = chase_and_access(init, root, CHASE_PREFIX_ROOT, X_OK, NULL);
1814 if (r == -EACCES)
1815 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1816 "Init binary %s is not executable.", init);
1817 if (r < 0)
1818 return sd_bus_error_set_errnof(error, r,
1819 "Could not resolve init executable %s: %m", init);
1820 }
1821
1822 r = path_simplify_alloc(root, &rt);
1823 if (r < 0)
1824 return r;
1825
1826 if (!isempty(init)) {
1827 r = path_simplify_alloc(init, &ri);
1828 if (r < 0)
1829 return r;
1830 }
1831
1832 free_and_replace(m->switch_root, rt);
1833 free_and_replace(m->switch_root_init, ri);
1834
1835 m->objective = MANAGER_SWITCH_ROOT;
1836
1837 return sd_bus_reply_method_return(message, NULL);
1838}
1839
1840static int method_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1841 _cleanup_strv_free_ char **plus = NULL;
1842 Manager *m = ASSERT_PTR(userdata);
1843 int r;
1844
1845 assert(message);
1846
1847 r = mac_selinux_access_check(message, "reload", error);
1848 if (r < 0)
1849 return r;
1850
1851 r = sd_bus_message_read_strv(message, &plus);
1852 if (r < 0)
1853 return r;
1854 if (!strv_env_is_valid(plus))
1855 return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments");
1856
1857 r = bus_verify_set_environment_async(m, message, error);
1858 if (r < 0)
1859 return r;
1860 if (r == 0)
1861 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1862
1863 r = manager_client_environment_modify(m, NULL, plus);
1864 if (r < 0)
1865 return r;
1866
1867 return sd_bus_reply_method_return(message, NULL);
1868}
1869
1870static int method_unset_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1871 _cleanup_strv_free_ char **minus = NULL;
1872 Manager *m = ASSERT_PTR(userdata);
1873 int r;
1874
1875 assert(message);
1876
1877 r = mac_selinux_access_check(message, "reload", error);
1878 if (r < 0)
1879 return r;
1880
1881 r = sd_bus_message_read_strv(message, &minus);
1882 if (r < 0)
1883 return r;
1884
1885 if (!strv_env_name_or_assignment_is_valid(minus))
1886 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1887 "Invalid environment variable names or assignments");
1888
1889 r = bus_verify_set_environment_async(m, message, error);
1890 if (r < 0)
1891 return r;
1892 if (r == 0)
1893 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1894
1895 r = manager_client_environment_modify(m, minus, NULL);
1896 if (r < 0)
1897 return r;
1898
1899 return sd_bus_reply_method_return(message, NULL);
1900}
1901
1902static int method_unset_and_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1903 _cleanup_strv_free_ char **minus = NULL, **plus = NULL;
1904 Manager *m = ASSERT_PTR(userdata);
1905 int r;
1906
1907 assert(message);
1908
1909 r = mac_selinux_access_check(message, "reload", error);
1910 if (r < 0)
1911 return r;
1912
1913 r = sd_bus_message_read_strv(message, &minus);
1914 if (r < 0)
1915 return r;
1916
1917 r = sd_bus_message_read_strv(message, &plus);
1918 if (r < 0)
1919 return r;
1920
1921 if (!strv_env_name_or_assignment_is_valid(minus))
1922 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1923 "Invalid environment variable names or assignments");
1924 if (!strv_env_is_valid(plus))
1925 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1926 "Invalid environment assignments");
1927
1928 r = bus_verify_set_environment_async(m, message, error);
1929 if (r < 0)
1930 return r;
1931 if (r == 0)
1932 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
1933
1934 r = manager_client_environment_modify(m, minus, plus);
1935 if (r < 0)
1936 return r;
1937
1938 return sd_bus_reply_method_return(message, NULL);
1939}
1940
1941static int method_set_exit_code(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1942 Manager *m = ASSERT_PTR(userdata);
1943 uint8_t code;
1944 int r;
1945
1946 assert(message);
1947
1948 r = mac_selinux_access_check(message, "exit", error);
1949 if (r < 0)
1950 return r;
1951
1952 r = sd_bus_message_read_basic(message, 'y', &code);
1953 if (r < 0)
1954 return r;
1955
1956 m->return_value = code;
1957
1958 return sd_bus_reply_method_return(message, NULL);
1959}
1960
1961static int method_lookup_dynamic_user_by_name(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1962 Manager *m = ASSERT_PTR(userdata);
1963 const char *name;
1964 uid_t uid;
1965 int r;
1966
1967 assert(message);
1968
1969 r = sd_bus_message_read_basic(message, 's', &name);
1970 if (r < 0)
1971 return r;
1972
1973 if (!MANAGER_IS_SYSTEM(m))
1974 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
1975 "Dynamic users are only supported in the system instance.");
1976 if (!valid_user_group_name(name, VALID_USER_RELAX))
1977 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
1978 "User name invalid: %s", name);
1979
1980 r = dynamic_user_lookup_name(m, name, &uid);
1981 if (r == -ESRCH)
1982 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_DYNAMIC_USER,
1983 "Dynamic user %s does not exist.", name);
1984 if (r < 0)
1985 return r;
1986
1987 return sd_bus_reply_method_return(message, "u", (uint32_t) uid);
1988}
1989
1990static int method_lookup_dynamic_user_by_uid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
1991 _cleanup_free_ char *name = NULL;
1992 Manager *m = ASSERT_PTR(userdata);
1993 uid_t uid;
1994 int r;
1995
1996 assert(message);
1997
1998 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
1999 r = sd_bus_message_read_basic(message, 'u', &uid);
2000 if (r < 0)
2001 return r;
2002
2003 if (!MANAGER_IS_SYSTEM(m))
2004 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
2005 "Dynamic users are only supported in the system instance.");
2006 if (!uid_is_valid(uid))
2007 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
2008 "User ID invalid: " UID_FMT, uid);
2009
2010 r = dynamic_user_lookup_uid(m, uid, &name);
2011 if (r == -ESRCH)
2012 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_DYNAMIC_USER,
2013 "Dynamic user ID " UID_FMT " does not exist.", uid);
2014 if (r < 0)
2015 return r;
2016
2017 return sd_bus_reply_method_return(message, "s", name);
2018}
2019
2020static int method_get_dynamic_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2021 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2022 Manager *m = ASSERT_PTR(userdata);
2023 DynamicUser *d;
2024 int r;
2025
2026 assert(message);
2027
2028 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
2029
2030 if (!MANAGER_IS_SYSTEM(m))
2031 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED,
2032 "Dynamic users are only supported in the system instance.");
2033
2034 r = sd_bus_message_new_method_return(message, &reply);
2035 if (r < 0)
2036 return r;
2037
2038 r = sd_bus_message_open_container(reply, 'a', "(us)");
2039 if (r < 0)
2040 return r;
2041
2042 HASHMAP_FOREACH(d, m->dynamic_users) {
2043 uid_t uid;
2044
2045 r = dynamic_user_current(d, &uid);
2046 if (r == -EAGAIN) /* not realized yet? */
2047 continue;
2048 if (r < 0)
2049 return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED,
2050 "Failed to look up a dynamic user.");
2051
2052 r = sd_bus_message_append(reply, "(us)", uid, d->name);
2053 if (r < 0)
2054 return r;
2055 }
2056
2057 r = sd_bus_message_close_container(reply);
2058 if (r < 0)
2059 return r;
2060
2061 return sd_bus_message_send(reply);
2062}
2063
2064static int method_enqueue_marked_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2065 Manager *m = ASSERT_PTR(userdata);
2066 int r;
2067
2068 assert(message);
2069
2070 r = mac_selinux_access_check(message, "start", error);
2071 if (r < 0)
2072 return r;
2073
2074 r = bus_verify_manage_units_async(m, message, error);
2075 if (r < 0)
2076 return r;
2077 if (r == 0)
2078 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2079
2080 log_info("Queuing reload/restart jobs for marked units%s", glyph(GLYPH_ELLIPSIS));
2081
2082 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2083 r = sd_bus_message_new_method_return(message, &reply);
2084 if (r < 0)
2085 return r;
2086
2087 r = sd_bus_message_open_container(reply, 'a', "o");
2088 if (r < 0)
2089 return r;
2090
2091 Unit *u;
2092 char *k;
2093 int ret = 0;
2094 HASHMAP_FOREACH_KEY(u, k, m->units) {
2095 /* ignore aliases */
2096 if (u->id != k)
2097 continue;
2098
2099 BusUnitQueueFlags flags;
2100 if (BIT_SET(u->markers, UNIT_MARKER_NEEDS_RESTART))
2101 flags = 0;
2102 else if (BIT_SET(u->markers, UNIT_MARKER_NEEDS_RELOAD))
2103 flags = BUS_UNIT_QUEUE_RELOAD_IF_POSSIBLE;
2104 else
2105 continue;
2106
2107 r = mac_selinux_unit_access_check(u, message, "start", error);
2108 if (r >= 0)
2109 r = bus_unit_queue_job_one(message, u,
2110 JOB_TRY_RESTART, JOB_FAIL, flags,
2111 reply, error);
2112 if (ERRNO_IS_NEG_RESOURCE(r))
2113 return r;
2114 if (r < 0) {
2115 if (ret >= 0)
2116 ret = r;
2117 sd_bus_error_free(error);
2118 }
2119 }
2120
2121 if (ret < 0)
2122 return sd_bus_error_set_errnof(error, ret,
2123 "Failed to enqueue some jobs, see logs for details: %m");
2124
2125 r = sd_bus_message_close_container(reply);
2126 if (r < 0)
2127 return r;
2128
2129 return sd_bus_message_send(reply);
2130}
2131
2132static int list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) {
2133 Manager *m = ASSERT_PTR(userdata);
2134 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2135 _cleanup_hashmap_free_ Hashmap *h = NULL;
2136 int r;
2137
2138 assert(message);
2139
2140 /* Anyone can call this method */
2141
2142 r = mac_selinux_access_check(message, "status", error);
2143 if (r < 0)
2144 return r;
2145
2146 r = sd_bus_message_new_method_return(message, &reply);
2147 if (r < 0)
2148 return r;
2149
2150 r = unit_file_get_list(m->runtime_scope, /* root_dir = */ NULL, states, patterns, &h);
2151 if (r < 0)
2152 return r;
2153
2154 r = sd_bus_message_open_container(reply, 'a', "(ss)");
2155 if (r < 0)
2156 return r;
2157
2158 UnitFileList *item;
2159 HASHMAP_FOREACH(item, h) {
2160 r = sd_bus_message_append(reply, "(ss)", item->path, unit_file_state_to_string(item->state));
2161 if (r < 0)
2162 return r;
2163 }
2164
2165 r = sd_bus_message_close_container(reply);
2166 if (r < 0)
2167 return r;
2168
2169 return sd_bus_message_send(reply);
2170}
2171
2172static int method_list_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2173 return list_unit_files_by_patterns(message, userdata, error, NULL, NULL);
2174}
2175
2176static int method_list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2177 _cleanup_strv_free_ char **states = NULL;
2178 _cleanup_strv_free_ char **patterns = NULL;
2179 int r;
2180
2181 r = sd_bus_message_read_strv(message, &states);
2182 if (r < 0)
2183 return r;
2184
2185 r = sd_bus_message_read_strv(message, &patterns);
2186 if (r < 0)
2187 return r;
2188
2189 return list_unit_files_by_patterns(message, userdata, error, states, patterns);
2190}
2191
2192static int method_get_unit_file_state(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2193 Manager *m = ASSERT_PTR(userdata);
2194 const char *name;
2195 UnitFileState state;
2196 int r;
2197
2198 assert(message);
2199
2200 /* Anyone can call this method */
2201
2202 r = mac_selinux_access_check(message, "status", error);
2203 if (r < 0)
2204 return r;
2205
2206 r = sd_bus_message_read(message, "s", &name);
2207 if (r < 0)
2208 return r;
2209
2210 r = unit_file_get_state(m->runtime_scope, NULL, name, &state);
2211 if (r < 0)
2212 return r;
2213
2214 return sd_bus_reply_method_return(message, "s", unit_file_state_to_string(state));
2215}
2216
2217static int method_get_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2218 _cleanup_free_ char *default_target = NULL;
2219 Manager *m = ASSERT_PTR(userdata);
2220 int r;
2221
2222 assert(message);
2223
2224 /* Anyone can call this method */
2225
2226 r = mac_selinux_access_check(message, "status", error);
2227 if (r < 0)
2228 return r;
2229
2230 r = unit_file_get_default(m->runtime_scope, NULL, &default_target);
2231 if (r == -ERFKILL)
2232 sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED, "Unit file is masked.");
2233 if (r < 0)
2234 return r;
2235
2236 return sd_bus_reply_method_return(message, "s", default_target);
2237}
2238
2239static int send_unit_files_changed(sd_bus *bus, void *userdata) {
2240 _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
2241 int r;
2242
2243 assert(bus);
2244
2245 r = sd_bus_message_new_signal(bus, &message,
2246 "/org/freedesktop/systemd1",
2247 "org.freedesktop.systemd1.Manager",
2248 "UnitFilesChanged");
2249 if (r < 0)
2250 return r;
2251
2252 return sd_bus_send(bus, message, NULL);
2253}
2254
2255static void manager_unit_files_changed(Manager *m, const InstallChange *changes, size_t n_changes) {
2256 int r;
2257
2258 assert(m);
2259 assert(changes || n_changes == 0);
2260
2261 if (!install_changes_have_modification(changes, n_changes))
2262 return;
2263
2264 /* See comments for this variable in manager.h */
2265 m->unit_file_state_outdated = true;
2266
2267 r = bus_foreach_bus(m, NULL, send_unit_files_changed, NULL);
2268 if (r < 0)
2269 log_debug_errno(r, "Failed to send UnitFilesChanged signal, ignoring: %m");
2270}
2271
2272static int install_error(
2273 sd_bus_error *error,
2274 int c,
2275 InstallChange *changes,
2276 size_t n_changes) {
2277
2278 int r;
2279
2280 /* Create an error reply, using the error information from changes[] if possible, and fall back to
2281 * generating an error from error code c. The error message only describes the first error. */
2282
2283 assert(changes || n_changes == 0);
2284
2285 CLEANUP_ARRAY(changes, n_changes, install_changes_free);
2286
2287 FOREACH_ARRAY(i, changes, n_changes) {
2288 _cleanup_free_ char *err_message = NULL;
2289 const char *bus_error;
2290
2291 if (i->type >= 0)
2292 continue;
2293
2294 r = install_change_dump_error(i, &err_message, &bus_error);
2295 if (r == -ENOMEM)
2296 return r;
2297 if (r < 0)
2298 return sd_bus_error_set_errnof(error, r, "File %s: %m", i->path);
2299
2300 return sd_bus_error_set(error, bus_error, err_message);
2301 }
2302
2303 return c < 0 ? c : -EINVAL;
2304}
2305
2306static int reply_install_changes_and_free(
2307 Manager *m,
2308 sd_bus_message *message,
2309 int carries_install_info,
2310 InstallChange *changes,
2311 size_t n_changes,
2312 sd_bus_error *error) {
2313
2314 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2315 bool bad = false, good = false;
2316 int r;
2317
2318 CLEANUP_ARRAY(changes, n_changes, install_changes_free);
2319
2320 r = sd_bus_message_new_method_return(message, &reply);
2321 if (r < 0)
2322 return r;
2323
2324 if (carries_install_info >= 0) {
2325 r = sd_bus_message_append(reply, "b", carries_install_info);
2326 if (r < 0)
2327 return r;
2328 }
2329
2330 r = sd_bus_message_open_container(reply, 'a', "(sss)");
2331 if (r < 0)
2332 return r;
2333
2334 FOREACH_ARRAY(i, changes, n_changes) {
2335 if (i->type < 0) {
2336 bad = true;
2337 continue;
2338 }
2339
2340 r = sd_bus_message_append(
2341 reply, "(sss)",
2342 install_change_type_to_string(i->type),
2343 i->path,
2344 i->source);
2345 if (r < 0)
2346 return r;
2347
2348 good = true;
2349 }
2350
2351 /* If there was a failed change, and no successful change, then return the first failure as proper
2352 * method call error. */
2353 if (bad && !good)
2354 return install_error(error, 0, TAKE_PTR(changes), n_changes);
2355
2356 r = sd_bus_message_close_container(reply);
2357 if (r < 0)
2358 return r;
2359
2360 return sd_bus_message_send(reply);
2361}
2362
2363static int method_enable_unit_files_generic(
2364 sd_bus_message *message,
2365 Manager *m,
2366 int (*call)(RuntimeScope scope, UnitFileFlags flags, const char *root_dir, char * const *files, InstallChange **changes, size_t *n_changes),
2367 bool carries_install_info,
2368 sd_bus_error *error) {
2369
2370 _cleanup_strv_free_ char **l = NULL;
2371 InstallChange *changes = NULL;
2372 size_t n_changes = 0;
2373 UnitFileFlags flags;
2374 int r;
2375
2376 assert(message);
2377 assert(m);
2378
2379 r = sd_bus_message_read_strv(message, &l);
2380 if (r < 0)
2381 return r;
2382
2383 if (sd_bus_message_is_method_call(message, NULL, "EnableUnitFilesWithFlags")) {
2384 uint64_t raw_flags;
2385
2386 r = sd_bus_message_read(message, "t", &raw_flags);
2387 if (r < 0)
2388 return r;
2389 if ((raw_flags & ~_UNIT_FILE_FLAGS_MASK_PUBLIC) != 0)
2390 return -EINVAL;
2391 flags = raw_flags;
2392 } else {
2393 int runtime, force;
2394
2395 r = sd_bus_message_read(message, "bb", &runtime, &force);
2396 if (r < 0)
2397 return r;
2398 flags = unit_file_bools_to_flags(runtime, force);
2399 }
2400
2401 r = bus_verify_manage_unit_files_async(m, message, error);
2402 if (r < 0)
2403 return r;
2404 if (r == 0)
2405 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2406
2407 r = call(m->runtime_scope, flags, NULL, l, &changes, &n_changes);
2408 manager_unit_files_changed(m, changes, n_changes);
2409 if (r < 0)
2410 return install_error(error, r, changes, n_changes);
2411
2412 return reply_install_changes_and_free(m, message, carries_install_info ? r : -1, changes, n_changes, error);
2413}
2414
2415static int method_enable_unit_files_with_flags(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2416 return method_enable_unit_files_generic(message, userdata, unit_file_enable, /* carries_install_info = */ true, error);
2417}
2418
2419static int method_enable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2420 return method_enable_unit_files_generic(message, userdata, unit_file_enable, /* carries_install_info = */ true, error);
2421}
2422
2423static int method_reenable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2424 return method_enable_unit_files_generic(message, userdata, unit_file_reenable, /* carries_install_info = */ true, error);
2425}
2426
2427static int method_link_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2428 return method_enable_unit_files_generic(message, userdata, unit_file_link, /* carries_install_info = */ false, error);
2429}
2430
2431static int unit_file_preset_without_mode(RuntimeScope scope, UnitFileFlags flags, const char *root_dir, char * const *files, InstallChange **changes, size_t *n_changes) {
2432 return unit_file_preset(scope, flags, root_dir, files, UNIT_FILE_PRESET_FULL, changes, n_changes);
2433}
2434
2435static int method_preset_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2436 return method_enable_unit_files_generic(message, userdata, unit_file_preset_without_mode, /* carries_install_info = */ true, error);
2437}
2438
2439static int method_mask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2440 return method_enable_unit_files_generic(message, userdata, unit_file_mask, /* carries_install_info = */ false, error);
2441}
2442
2443static int method_preset_unit_files_with_mode(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2444
2445 _cleanup_strv_free_ char **l = NULL;
2446 InstallChange *changes = NULL;
2447 size_t n_changes = 0;
2448 Manager *m = ASSERT_PTR(userdata);
2449 UnitFilePresetMode preset_mode;
2450 int runtime, force, r;
2451 UnitFileFlags flags;
2452 const char *mode;
2453
2454 assert(message);
2455
2456 r = sd_bus_message_read_strv(message, &l);
2457 if (r < 0)
2458 return r;
2459
2460 r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force);
2461 if (r < 0)
2462 return r;
2463
2464 flags = unit_file_bools_to_flags(runtime, force);
2465
2466 if (isempty(mode))
2467 preset_mode = UNIT_FILE_PRESET_FULL;
2468 else {
2469 preset_mode = unit_file_preset_mode_from_string(mode);
2470 if (preset_mode < 0)
2471 return -EINVAL;
2472 }
2473
2474 r = bus_verify_manage_unit_files_async(m, message, error);
2475 if (r < 0)
2476 return r;
2477 if (r == 0)
2478 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2479
2480 r = unit_file_preset(m->runtime_scope, flags, NULL, l, preset_mode, &changes, &n_changes);
2481 manager_unit_files_changed(m, changes, n_changes);
2482 if (r < 0)
2483 return install_error(error, r, changes, n_changes);
2484
2485 return reply_install_changes_and_free(m, message, r, changes, n_changes, error);
2486}
2487
2488static int method_disable_unit_files_generic(
2489 sd_bus_message *message,
2490 Manager *m,
2491 int (*call)(RuntimeScope scope, UnitFileFlags flags, const char *root_dir, char * const *files, InstallChange **changes, size_t *n_changes),
2492 bool carries_install_info,
2493 sd_bus_error *error) {
2494
2495 _cleanup_strv_free_ char **l = NULL;
2496 InstallChange *changes = NULL;
2497 UnitFileFlags flags;
2498 size_t n_changes = 0;
2499 int r;
2500
2501 assert(message);
2502 assert(m);
2503
2504 r = sd_bus_message_read_strv(message, &l);
2505 if (r < 0)
2506 return r;
2507
2508 if (sd_bus_message_is_method_call(message, NULL, "DisableUnitFilesWithFlags") ||
2509 sd_bus_message_is_method_call(message, NULL, "DisableUnitFilesWithFlagsAndInstallInfo")) {
2510 uint64_t raw_flags;
2511
2512 r = sd_bus_message_read(message, "t", &raw_flags);
2513 if (r < 0)
2514 return r;
2515 if ((raw_flags & ~_UNIT_FILE_FLAGS_MASK_PUBLIC) != 0 ||
2516 FLAGS_SET(raw_flags, UNIT_FILE_FORCE))
2517 return -EINVAL;
2518 flags = raw_flags;
2519 } else {
2520 int runtime;
2521
2522 r = sd_bus_message_read(message, "b", &runtime);
2523 if (r < 0)
2524 return r;
2525 flags = unit_file_bools_to_flags(runtime, false);
2526 }
2527
2528 r = bus_verify_manage_unit_files_async(m, message, error);
2529 if (r < 0)
2530 return r;
2531 if (r == 0)
2532 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2533
2534 r = call(m->runtime_scope, flags, NULL, l, &changes, &n_changes);
2535 manager_unit_files_changed(m, changes, n_changes);
2536 if (r < 0)
2537 return install_error(error, r, changes, n_changes);
2538
2539 return reply_install_changes_and_free(m, message, carries_install_info ? r : -1, changes, n_changes, error);
2540}
2541
2542static int method_disable_unit_files_with_flags(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2543 return method_disable_unit_files_generic(message, userdata, unit_file_disable, /* carries_install_info = */ false, error);
2544}
2545
2546static int method_disable_unit_files_with_flags_and_install_info(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2547 return method_disable_unit_files_generic(message, userdata, unit_file_disable, /* carries_install_info = */ true, error);
2548}
2549
2550static int method_disable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2551 return method_disable_unit_files_generic(message, userdata, unit_file_disable, /* carries_install_info = */ false, error);
2552}
2553
2554static int method_unmask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2555 return method_disable_unit_files_generic(message, userdata, unit_file_unmask, /* carries_install_info = */ false, error);
2556}
2557
2558static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2559 _cleanup_strv_free_ char **l = NULL;
2560 InstallChange *changes = NULL;
2561 size_t n_changes = 0;
2562 Manager *m = ASSERT_PTR(userdata);
2563 int r;
2564
2565 assert(message);
2566
2567 r = sd_bus_message_read_strv(message, &l);
2568 if (r < 0)
2569 return r;
2570
2571 r = bus_verify_manage_unit_files_async(m, message, error);
2572 if (r < 0)
2573 return r;
2574 if (r == 0)
2575 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2576
2577 r = unit_file_revert(m->runtime_scope, NULL, l, &changes, &n_changes);
2578 manager_unit_files_changed(m, changes, n_changes);
2579 if (r < 0)
2580 return install_error(error, r, changes, n_changes);
2581
2582 return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2583}
2584
2585static int method_set_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2586 InstallChange *changes = NULL;
2587 size_t n_changes = 0;
2588 Manager *m = ASSERT_PTR(userdata);
2589 const char *name;
2590 int force, r;
2591
2592 assert(message);
2593
2594 r = mac_selinux_access_check(message, "enable", error);
2595 if (r < 0)
2596 return r;
2597
2598 r = sd_bus_message_read(message, "sb", &name, &force);
2599 if (r < 0)
2600 return r;
2601
2602 r = bus_verify_manage_unit_files_async(m, message, error);
2603 if (r < 0)
2604 return r;
2605 if (r == 0)
2606 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2607
2608 r = unit_file_set_default(m->runtime_scope, force ? UNIT_FILE_FORCE : 0, NULL, name, &changes, &n_changes);
2609 manager_unit_files_changed(m, changes, n_changes);
2610 if (r < 0)
2611 return install_error(error, r, changes, n_changes);
2612
2613 return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2614}
2615
2616static int method_preset_all_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2617 InstallChange *changes = NULL;
2618 size_t n_changes = 0;
2619 Manager *m = ASSERT_PTR(userdata);
2620 UnitFilePresetMode preset_mode;
2621 const char *mode;
2622 UnitFileFlags flags;
2623 int force, runtime, r;
2624
2625 assert(message);
2626
2627 r = mac_selinux_access_check(message, "enable", error);
2628 if (r < 0)
2629 return r;
2630
2631 r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force);
2632 if (r < 0)
2633 return r;
2634
2635 flags = unit_file_bools_to_flags(runtime, force);
2636
2637 if (isempty(mode))
2638 preset_mode = UNIT_FILE_PRESET_FULL;
2639 else {
2640 preset_mode = unit_file_preset_mode_from_string(mode);
2641 if (preset_mode < 0)
2642 return -EINVAL;
2643 }
2644
2645 r = bus_verify_manage_unit_files_async(m, message, error);
2646 if (r < 0)
2647 return r;
2648 if (r == 0)
2649 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2650
2651 r = unit_file_preset_all(m->runtime_scope, flags, NULL, preset_mode, &changes, &n_changes);
2652 manager_unit_files_changed(m, changes, n_changes);
2653 if (r < 0)
2654 return install_error(error, r, changes, n_changes);
2655
2656 return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2657}
2658
2659static int method_add_dependency_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2660 _cleanup_strv_free_ char **l = NULL;
2661 Manager *m = ASSERT_PTR(userdata);
2662 InstallChange *changes = NULL;
2663 size_t n_changes = 0;
2664 int runtime, force, r;
2665 char *target, *type;
2666 UnitDependency dep;
2667 UnitFileFlags flags;
2668
2669 assert(message);
2670
2671 r = bus_verify_manage_unit_files_async(m, message, error);
2672 if (r < 0)
2673 return r;
2674 if (r == 0)
2675 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2676
2677 r = sd_bus_message_read_strv(message, &l);
2678 if (r < 0)
2679 return r;
2680
2681 r = sd_bus_message_read(message, "ssbb", &target, &type, &runtime, &force);
2682 if (r < 0)
2683 return r;
2684
2685 flags = unit_file_bools_to_flags(runtime, force);
2686
2687 dep = unit_dependency_from_string(type);
2688 if (dep < 0 || !IN_SET(dep, UNIT_WANTS, UNIT_REQUIRES))
2689 return -EINVAL;
2690
2691 r = unit_file_add_dependency(m->runtime_scope, flags, NULL, l, target, dep, &changes, &n_changes);
2692 manager_unit_files_changed(m, changes, n_changes);
2693 if (r < 0)
2694 return install_error(error, r, changes, n_changes);
2695
2696 return reply_install_changes_and_free(m, message, -1, changes, n_changes, error);
2697}
2698
2699static int method_get_unit_file_links(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2700 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2701 Manager *m = ASSERT_PTR(userdata);
2702 InstallChange *changes = NULL;
2703 size_t n_changes = 0, i;
2704 const char *name;
2705 int runtime, r;
2706
2707 CLEANUP_ARRAY(changes, n_changes, install_changes_free);
2708
2709 r = sd_bus_message_read(message, "sb", &name, &runtime);
2710 if (r < 0)
2711 return r;
2712
2713 r = sd_bus_message_new_method_return(message, &reply);
2714 if (r < 0)
2715 return r;
2716
2717 r = sd_bus_message_open_container(reply, SD_BUS_TYPE_ARRAY, "s");
2718 if (r < 0)
2719 return r;
2720
2721 r = unit_file_disable(m->runtime_scope,
2722 UNIT_FILE_DRY_RUN | (runtime ? UNIT_FILE_RUNTIME : 0),
2723 NULL, STRV_MAKE(name), &changes, &n_changes);
2724 if (r < 0)
2725 return log_error_errno(r, "Failed to get file links for %s: %m", name);
2726
2727 for (i = 0; i < n_changes; i++)
2728 if (changes[i].type == INSTALL_CHANGE_UNLINK) {
2729 r = sd_bus_message_append(reply, "s", changes[i].path);
2730 if (r < 0)
2731 return r;
2732 }
2733
2734 r = sd_bus_message_close_container(reply);
2735 if (r < 0)
2736 return r;
2737
2738 return sd_bus_message_send(reply);
2739}
2740
2741static int method_get_job_waiting(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2742 Manager *m = ASSERT_PTR(userdata);
2743 uint32_t id;
2744 Job *j;
2745 int r;
2746
2747 assert(message);
2748
2749 r = sd_bus_message_read(message, "u", &id);
2750 if (r < 0)
2751 return r;
2752
2753 j = manager_get_job(m, id);
2754 if (!j)
2755 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
2756
2757 return bus_job_method_get_waiting_jobs(message, j, error);
2758}
2759
2760static int method_abandon_scope(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2761 Manager *m = ASSERT_PTR(userdata);
2762 const char *name;
2763 Unit *u;
2764 int r;
2765
2766 assert(message);
2767
2768 r = sd_bus_message_read(message, "s", &name);
2769 if (r < 0)
2770 return r;
2771
2772 r = bus_get_unit_by_name(m, message, name, &u, error);
2773 if (r < 0)
2774 return r;
2775
2776 if (u->type != UNIT_SCOPE)
2777 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
2778 "Unit '%s' is not a scope unit, refusing.", name);
2779
2780 return bus_scope_method_abandon(message, u, error);
2781}
2782
2783static int method_set_show_status(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2784 Manager *m = ASSERT_PTR(userdata);
2785 ShowStatus mode = _SHOW_STATUS_INVALID;
2786 const char *t;
2787 int r;
2788
2789 assert(message);
2790
2791 r = mac_selinux_access_check(message, "reload", error);
2792 if (r < 0)
2793 return r;
2794
2795 r = bus_verify_set_environment_async(m, message, error);
2796 if (r < 0)
2797 return r;
2798 if (r == 0)
2799 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
2800
2801 r = sd_bus_message_read(message, "s", &t);
2802 if (r < 0)
2803 return r;
2804
2805 if (!isempty(t)) {
2806 mode = show_status_from_string(t);
2807 if (mode < 0)
2808 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
2809 "Invalid show status '%s'", t);
2810 }
2811
2812 manager_override_show_status(m, mode, "bus");
2813
2814 return sd_bus_reply_method_return(message, NULL);
2815}
2816
2817static int method_dump_unit_descriptor_store(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2818 return method_generic_unit_operation(message, userdata, error, bus_service_method_dump_file_descriptor_store, 0);
2819}
2820
2821static int method_start_aux_scope(sd_bus_message *message, void *userdata, sd_bus_error *error) {
2822 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "StartAuxiliaryScope() method has been removed.");
2823}
2824
2825const sd_bus_vtable bus_manager_vtable[] = {
2826 SD_BUS_VTABLE_START(0),
2827
2828 SD_BUS_PROPERTY("Version", "s", property_get_version, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2829 SD_BUS_PROPERTY("Features", "s", property_get_features, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2830 SD_BUS_PROPERTY("Virtualization", "s", property_get_virtualization, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2831 SD_BUS_PROPERTY("ConfidentialVirtualization", "s", property_get_confidential_virtualization, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2832 SD_BUS_PROPERTY("Architecture", "s", property_get_architecture, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2833 SD_BUS_PROPERTY("Tainted", "s", property_get_tainted, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2834 BUS_PROPERTY_DUAL_TIMESTAMP("FirmwareTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_FIRMWARE]), SD_BUS_VTABLE_PROPERTY_CONST),
2835 BUS_PROPERTY_DUAL_TIMESTAMP("LoaderTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_LOADER]), SD_BUS_VTABLE_PROPERTY_CONST),
2836 BUS_PROPERTY_DUAL_TIMESTAMP("KernelTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_KERNEL]), SD_BUS_VTABLE_PROPERTY_CONST),
2837 BUS_PROPERTY_DUAL_TIMESTAMP("InitRDTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD]), SD_BUS_VTABLE_PROPERTY_CONST),
2838 BUS_PROPERTY_DUAL_TIMESTAMP("UserspaceTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_USERSPACE]), SD_BUS_VTABLE_PROPERTY_CONST),
2839 BUS_PROPERTY_DUAL_TIMESTAMP("FinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2840 BUS_PROPERTY_DUAL_TIMESTAMP("ShutdownStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SHUTDOWN_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2841 BUS_PROPERTY_DUAL_TIMESTAMP("SecurityStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SECURITY_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2842 BUS_PROPERTY_DUAL_TIMESTAMP("SecurityFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_SECURITY_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2843 BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_GENERATORS_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2844 BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_GENERATORS_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2845 BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2846 BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2847 BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD]), SD_BUS_VTABLE_PROPERTY_CONST),
2848 BUS_PROPERTY_DUAL_TIMESTAMP("InitRDSecurityStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_SECURITY_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2849 BUS_PROPERTY_DUAL_TIMESTAMP("InitRDSecurityFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_SECURITY_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2850 BUS_PROPERTY_DUAL_TIMESTAMP("InitRDGeneratorsStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_GENERATORS_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2851 BUS_PROPERTY_DUAL_TIMESTAMP("InitRDGeneratorsFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_GENERATORS_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2852 BUS_PROPERTY_DUAL_TIMESTAMP("InitRDUnitsLoadStartTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_START]), SD_BUS_VTABLE_PROPERTY_CONST),
2853 BUS_PROPERTY_DUAL_TIMESTAMP("InitRDUnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
2854 SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", bus_property_get_log_level, property_set_log_level, 0, 0),
2855 SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", bus_property_get_log_target, property_set_log_target, 0, 0),
2856 SD_BUS_PROPERTY("NNames", "u", property_get_hashmap_size, offsetof(Manager, units), 0),
2857 SD_BUS_PROPERTY("NFailedUnits", "u", property_get_set_size, offsetof(Manager, failed_units), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
2858 SD_BUS_PROPERTY("NJobs", "u", property_get_hashmap_size, offsetof(Manager, jobs), 0),
2859 SD_BUS_PROPERTY("NInstalledJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_installed_jobs), 0),
2860 SD_BUS_PROPERTY("NFailedJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_failed_jobs), 0),
2861 SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0),
2862 SD_BUS_PROPERTY("Environment", "as", property_get_environment, 0, 0),
2863 SD_BUS_PROPERTY("ConfirmSpawn", "b", bus_property_get_bool, offsetof(Manager, confirm_spawn), SD_BUS_VTABLE_PROPERTY_CONST),
2864 SD_BUS_PROPERTY("ShowStatus", "b", property_get_show_status, 0, 0),
2865 SD_BUS_PROPERTY("UnitPath", "as", NULL, offsetof(Manager, lookup_paths.search_path), SD_BUS_VTABLE_PROPERTY_CONST),
2866 SD_BUS_PROPERTY("DefaultStandardOutput", "s", bus_property_get_exec_output, offsetof(Manager, defaults.std_output), SD_BUS_VTABLE_PROPERTY_CONST),
2867 SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, defaults.std_error), SD_BUS_VTABLE_PROPERTY_CONST),
2868 SD_BUS_PROPERTY("WatchdogDevice", "s", property_get_watchdog_device, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2869 SD_BUS_PROPERTY("WatchdogLastPingTimestamp", "t", property_get_watchdog_last_ping_realtime, 0, 0),
2870 SD_BUS_PROPERTY("WatchdogLastPingTimestampMonotonic", "t", property_get_watchdog_last_ping_monotonic, 0, 0),
2871 SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogUSec", "t", property_get_runtime_watchdog, property_set_runtime_watchdog, 0, 0),
2872 SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogPreUSec", "t", property_get_pretimeout_watchdog, property_set_pretimeout_watchdog, 0, 0),
2873 SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogPreGovernor", "s", property_get_pretimeout_watchdog_governor, property_set_pretimeout_watchdog_governor, 0, 0),
2874 SD_BUS_WRITABLE_PROPERTY("RebootWatchdogUSec", "t", property_get_reboot_watchdog, property_set_reboot_watchdog, 0, 0),
2875 /* The following item is an obsolete alias */
2876 SD_BUS_WRITABLE_PROPERTY("ShutdownWatchdogUSec", "t", property_get_reboot_watchdog, property_set_reboot_watchdog, 0, SD_BUS_VTABLE_HIDDEN),
2877 SD_BUS_WRITABLE_PROPERTY("KExecWatchdogUSec", "t", property_get_kexec_watchdog, property_set_kexec_watchdog, 0, 0),
2878 SD_BUS_WRITABLE_PROPERTY("ServiceWatchdogs", "b", bus_property_get_bool, bus_property_set_bool, offsetof(Manager, service_watchdogs), 0),
2879 SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Manager, cgroup_root), 0),
2880 SD_BUS_PROPERTY("SystemState", "s", property_get_system_state, 0, 0),
2881 SD_BUS_PROPERTY("ExitCode", "y", NULL, offsetof(Manager, return_value), 0),
2882 SD_BUS_PROPERTY("DefaultTimerAccuracyUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.timer_accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2883 SD_BUS_PROPERTY("DefaultTimeoutStartUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2884 SD_BUS_PROPERTY("DefaultTimeoutStopUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2885 SD_BUS_PROPERTY("DefaultTimeoutAbortUSec", "t", property_get_default_timeout_abort_usec, 0, 0),
2886 SD_BUS_PROPERTY("DefaultDeviceTimeoutUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.device_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2887 SD_BUS_PROPERTY("DefaultRestartUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.restart_usec), SD_BUS_VTABLE_PROPERTY_CONST),
2888 SD_BUS_PROPERTY("DefaultStartLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.start_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST),
2889 /* The following two items are obsolete alias */
2890 SD_BUS_PROPERTY("DefaultStartLimitIntervalSec", "t", bus_property_get_usec, offsetof(Manager, defaults.start_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
2891 SD_BUS_PROPERTY("DefaultStartLimitInterval", "t", bus_property_get_usec, offsetof(Manager, defaults.start_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
2892 SD_BUS_PROPERTY("DefaultStartLimitBurst", "u", bus_property_get_unsigned, offsetof(Manager, defaults.start_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
2893 SD_BUS_PROPERTY("DefaultIOAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.io_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2894 SD_BUS_PROPERTY("DefaultIPAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.ip_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2895 SD_BUS_PROPERTY("DefaultMemoryAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.memory_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2896 SD_BUS_PROPERTY("DefaultTasksAccounting", "b", bus_property_get_bool, offsetof(Manager, defaults.tasks_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
2897 SD_BUS_PROPERTY("DefaultLimitCPU", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
2898 SD_BUS_PROPERTY("DefaultLimitCPUSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
2899 SD_BUS_PROPERTY("DefaultLimitFSIZE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
2900 SD_BUS_PROPERTY("DefaultLimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
2901 SD_BUS_PROPERTY("DefaultLimitDATA", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
2902 SD_BUS_PROPERTY("DefaultLimitDATASoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
2903 SD_BUS_PROPERTY("DefaultLimitSTACK", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
2904 SD_BUS_PROPERTY("DefaultLimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
2905 SD_BUS_PROPERTY("DefaultLimitCORE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
2906 SD_BUS_PROPERTY("DefaultLimitCORESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
2907 SD_BUS_PROPERTY("DefaultLimitRSS", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
2908 SD_BUS_PROPERTY("DefaultLimitRSSSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
2909 SD_BUS_PROPERTY("DefaultLimitNOFILE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
2910 SD_BUS_PROPERTY("DefaultLimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
2911 SD_BUS_PROPERTY("DefaultLimitAS", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
2912 SD_BUS_PROPERTY("DefaultLimitASSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
2913 SD_BUS_PROPERTY("DefaultLimitNPROC", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
2914 SD_BUS_PROPERTY("DefaultLimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
2915 SD_BUS_PROPERTY("DefaultLimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
2916 SD_BUS_PROPERTY("DefaultLimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
2917 SD_BUS_PROPERTY("DefaultLimitLOCKS", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
2918 SD_BUS_PROPERTY("DefaultLimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
2919 SD_BUS_PROPERTY("DefaultLimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
2920 SD_BUS_PROPERTY("DefaultLimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
2921 SD_BUS_PROPERTY("DefaultLimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
2922 SD_BUS_PROPERTY("DefaultLimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
2923 SD_BUS_PROPERTY("DefaultLimitNICE", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
2924 SD_BUS_PROPERTY("DefaultLimitNICESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
2925 SD_BUS_PROPERTY("DefaultLimitRTPRIO", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
2926 SD_BUS_PROPERTY("DefaultLimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
2927 SD_BUS_PROPERTY("DefaultLimitRTTIME", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
2928 SD_BUS_PROPERTY("DefaultLimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(Manager, defaults.rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
2929 SD_BUS_PROPERTY("DefaultTasksMax", "t", bus_property_get_tasks_max, offsetof(Manager, defaults.tasks_max), 0),
2930 SD_BUS_PROPERTY("DefaultMemoryPressureThresholdUSec", "t", bus_property_get_usec, offsetof(Manager, defaults.memory_pressure_threshold_usec), 0),
2931 SD_BUS_PROPERTY("DefaultMemoryPressureWatch", "s", bus_property_get_cgroup_pressure_watch, offsetof(Manager, defaults.memory_pressure_watch), 0),
2932 SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2933 SD_BUS_PROPERTY("DefaultOOMPolicy", "s", bus_property_get_oom_policy, offsetof(Manager, defaults.oom_policy), SD_BUS_VTABLE_PROPERTY_CONST),
2934 SD_BUS_PROPERTY("DefaultOOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST),
2935 SD_BUS_PROPERTY("CtrlAltDelBurstAction", "s", bus_property_get_emergency_action, offsetof(Manager, cad_burst_action), SD_BUS_VTABLE_PROPERTY_CONST),
2936 SD_BUS_PROPERTY("SoftRebootsCount", "u", bus_property_get_unsigned, offsetof(Manager, soft_reboots_count), SD_BUS_VTABLE_PROPERTY_CONST),
2937
2938 /* deprecated cgroup v1 property */
2939 SD_BUS_PROPERTY("DefaultBlockIOAccounting", "b", bus_property_get_bool_false, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_DEPRECATED|SD_BUS_VTABLE_HIDDEN),
2940 /* see comment in bus_cgroup_vtable */
2941 SD_BUS_PROPERTY("DefaultCPUAccounting", "b", bus_property_get_bool_true, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_DEPRECATED|SD_BUS_VTABLE_HIDDEN),
2942
2943 SD_BUS_METHOD_WITH_ARGS("GetUnit",
2944 SD_BUS_ARGS("s", name),
2945 SD_BUS_RESULT("o", unit),
2946 method_get_unit,
2947 SD_BUS_VTABLE_UNPRIVILEGED),
2948 SD_BUS_METHOD_WITH_ARGS("GetUnitByPID",
2949 SD_BUS_ARGS("u", pid),
2950 SD_BUS_RESULT("o", unit),
2951 method_get_unit_by_pid,
2952 SD_BUS_VTABLE_UNPRIVILEGED),
2953 SD_BUS_METHOD_WITH_ARGS("GetUnitByInvocationID",
2954 SD_BUS_ARGS("ay", invocation_id),
2955 SD_BUS_RESULT("o", unit),
2956 method_get_unit_by_invocation_id,
2957 SD_BUS_VTABLE_UNPRIVILEGED),
2958 SD_BUS_METHOD_WITH_ARGS("GetUnitByControlGroup",
2959 SD_BUS_ARGS("s", cgroup),
2960 SD_BUS_RESULT("o", unit),
2961 method_get_unit_by_control_group,
2962 SD_BUS_VTABLE_UNPRIVILEGED),
2963 SD_BUS_METHOD_WITH_ARGS("GetUnitByPIDFD",
2964 SD_BUS_ARGS("h", pidfd),
2965 SD_BUS_RESULT("o", unit, "s", unit_id, "ay", invocation_id),
2966 method_get_unit_by_pidfd,
2967 SD_BUS_VTABLE_UNPRIVILEGED),
2968 SD_BUS_METHOD_WITH_ARGS("LoadUnit",
2969 SD_BUS_ARGS("s", name),
2970 SD_BUS_RESULT("o", unit),
2971 method_load_unit,
2972 SD_BUS_VTABLE_UNPRIVILEGED),
2973 SD_BUS_METHOD_WITH_ARGS("StartUnit",
2974 SD_BUS_ARGS("s", name, "s", mode),
2975 SD_BUS_RESULT("o", job),
2976 method_start_unit,
2977 SD_BUS_VTABLE_UNPRIVILEGED),
2978 SD_BUS_METHOD_WITH_ARGS("StartUnitWithFlags",
2979 SD_BUS_ARGS("s", name, "s", mode, "t", flags),
2980 SD_BUS_RESULT("o", job),
2981 method_start_unit,
2982 SD_BUS_VTABLE_UNPRIVILEGED),
2983 SD_BUS_METHOD_WITH_ARGS("StartUnitReplace",
2984 SD_BUS_ARGS("s", old_unit, "s", new_unit, "s", mode),
2985 SD_BUS_RESULT("o", job),
2986 method_start_unit_replace,
2987 SD_BUS_VTABLE_UNPRIVILEGED),
2988 SD_BUS_METHOD_WITH_ARGS("StopUnit",
2989 SD_BUS_ARGS("s", name, "s", mode),
2990 SD_BUS_RESULT("o", job),
2991 method_stop_unit,
2992 SD_BUS_VTABLE_UNPRIVILEGED),
2993 SD_BUS_METHOD_WITH_ARGS("ReloadUnit",
2994 SD_BUS_ARGS("s", name, "s", mode),
2995 SD_BUS_RESULT("o", job),
2996 method_reload_unit,
2997 SD_BUS_VTABLE_UNPRIVILEGED),
2998 SD_BUS_METHOD_WITH_ARGS("RestartUnit",
2999 SD_BUS_ARGS("s", name, "s", mode),
3000 SD_BUS_RESULT("o", job),
3001 method_restart_unit,
3002 SD_BUS_VTABLE_UNPRIVILEGED),
3003 SD_BUS_METHOD_WITH_ARGS("TryRestartUnit",
3004 SD_BUS_ARGS("s", name, "s", mode),
3005 SD_BUS_RESULT("o", job),
3006 method_try_restart_unit,
3007 SD_BUS_VTABLE_UNPRIVILEGED),
3008 SD_BUS_METHOD_WITH_ARGS("ReloadOrRestartUnit",
3009 SD_BUS_ARGS("s", name, "s", mode),
3010 SD_BUS_RESULT("o", job),
3011 method_reload_or_restart_unit,
3012 SD_BUS_VTABLE_UNPRIVILEGED),
3013 SD_BUS_METHOD_WITH_ARGS("ReloadOrTryRestartUnit",
3014 SD_BUS_ARGS("s", name, "s", mode),
3015 SD_BUS_RESULT("o", job),
3016 method_reload_or_try_restart_unit,
3017 SD_BUS_VTABLE_UNPRIVILEGED),
3018 SD_BUS_METHOD_WITH_ARGS("EnqueueUnitJob",
3019 SD_BUS_ARGS("s", name, "s", job_type, "s", job_mode),
3020 SD_BUS_RESULT("u", job_id, "o", job_path, "s", unit_id, "o", unit_path, "s", job_type, "a(uosos)", affected_jobs),
3021 method_enqueue_unit_job,
3022 SD_BUS_VTABLE_UNPRIVILEGED),
3023 SD_BUS_METHOD_WITH_ARGS("KillUnit",
3024 SD_BUS_ARGS("s", name, "s", whom, "i", signal),
3025 SD_BUS_NO_RESULT,
3026 method_kill_unit,
3027 SD_BUS_VTABLE_UNPRIVILEGED),
3028 SD_BUS_METHOD_WITH_ARGS("QueueSignalUnit",
3029 SD_BUS_ARGS("s", name, "s", whom, "i", signal, "i", value),
3030 SD_BUS_NO_RESULT,
3031 method_kill_unit,
3032 SD_BUS_VTABLE_UNPRIVILEGED),
3033 SD_BUS_METHOD_WITH_ARGS("CleanUnit",
3034 SD_BUS_ARGS("s", name, "as", mask),
3035 SD_BUS_NO_RESULT,
3036 method_clean_unit,
3037 SD_BUS_VTABLE_UNPRIVILEGED),
3038 SD_BUS_METHOD_WITH_ARGS("FreezeUnit",
3039 SD_BUS_ARGS("s", name),
3040 SD_BUS_NO_RESULT,
3041 method_freeze_unit,
3042 SD_BUS_VTABLE_UNPRIVILEGED),
3043 SD_BUS_METHOD_WITH_ARGS("ThawUnit",
3044 SD_BUS_ARGS("s", name),
3045 SD_BUS_NO_RESULT,
3046 method_thaw_unit,
3047 SD_BUS_VTABLE_UNPRIVILEGED),
3048 SD_BUS_METHOD_WITH_ARGS("ResetFailedUnit",
3049 SD_BUS_ARGS("s", name),
3050 SD_BUS_NO_RESULT,
3051 method_reset_failed_unit,
3052 SD_BUS_VTABLE_UNPRIVILEGED),
3053 SD_BUS_METHOD_WITH_ARGS("SetUnitProperties",
3054 SD_BUS_ARGS("s", name, "b", runtime, "a(sv)", properties),
3055 SD_BUS_NO_RESULT,
3056 method_set_unit_properties,
3057 SD_BUS_VTABLE_UNPRIVILEGED),
3058 SD_BUS_METHOD_WITH_ARGS("BindMountUnit",
3059 SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir),
3060 SD_BUS_NO_RESULT,
3061 method_bind_mount_unit,
3062 SD_BUS_VTABLE_UNPRIVILEGED),
3063 SD_BUS_METHOD_WITH_ARGS("MountImageUnit",
3064 SD_BUS_ARGS("s", name, "s", source, "s", destination, "b", read_only, "b", mkdir, "a(ss)", options),
3065 SD_BUS_NO_RESULT,
3066 method_mount_image_unit,
3067 SD_BUS_VTABLE_UNPRIVILEGED),
3068 SD_BUS_METHOD_WITH_ARGS("RefUnit",
3069 SD_BUS_ARGS("s", name),
3070 SD_BUS_NO_RESULT,
3071 method_ref_unit,
3072 SD_BUS_VTABLE_UNPRIVILEGED),
3073 SD_BUS_METHOD_WITH_ARGS("UnrefUnit",
3074 SD_BUS_ARGS("s", name),
3075 SD_BUS_NO_RESULT,
3076 method_unref_unit,
3077 SD_BUS_VTABLE_UNPRIVILEGED),
3078 SD_BUS_METHOD_WITH_ARGS("StartTransientUnit",
3079 SD_BUS_ARGS("s", name, "s", mode, "a(sv)", properties, "a(sa(sv))", aux),
3080 SD_BUS_RESULT("o", job),
3081 method_start_transient_unit,
3082 SD_BUS_VTABLE_UNPRIVILEGED),
3083 SD_BUS_METHOD_WITH_ARGS("GetUnitProcesses",
3084 SD_BUS_ARGS("s", name),
3085 SD_BUS_RESULT("a(sus)", processes),
3086 method_get_unit_processes,
3087 SD_BUS_VTABLE_UNPRIVILEGED),
3088 SD_BUS_METHOD_WITH_ARGS("AttachProcessesToUnit",
3089 SD_BUS_ARGS("s", unit_name, "s", subcgroup, "au", pids),
3090 SD_BUS_NO_RESULT,
3091 method_attach_processes_to_unit,
3092 SD_BUS_VTABLE_UNPRIVILEGED),
3093 SD_BUS_METHOD_WITH_ARGS("RemoveSubgroupFromUnit",
3094 SD_BUS_ARGS("s", unit_name, "s", subcgroup, "t", flags),
3095 SD_BUS_NO_RESULT,
3096 method_remove_subgroup_from_unit,
3097 SD_BUS_VTABLE_UNPRIVILEGED),
3098 SD_BUS_METHOD_WITH_ARGS("AbandonScope",
3099 SD_BUS_ARGS("s", name),
3100 SD_BUS_NO_RESULT,
3101 method_abandon_scope,
3102 SD_BUS_VTABLE_UNPRIVILEGED),
3103 SD_BUS_METHOD_WITH_ARGS("GetJob",
3104 SD_BUS_ARGS("u", id),
3105 SD_BUS_RESULT("o", job),
3106 method_get_job,
3107 SD_BUS_VTABLE_UNPRIVILEGED),
3108 SD_BUS_METHOD_WITH_ARGS("GetJobAfter",
3109 SD_BUS_ARGS("u", id),
3110 SD_BUS_RESULT("a(usssoo)", jobs),
3111 method_get_job_waiting,
3112 SD_BUS_VTABLE_UNPRIVILEGED),
3113 SD_BUS_METHOD_WITH_ARGS("GetJobBefore",
3114 SD_BUS_ARGS("u", id),
3115 SD_BUS_RESULT("a(usssoo)", jobs),
3116 method_get_job_waiting,
3117 SD_BUS_VTABLE_UNPRIVILEGED),
3118 SD_BUS_METHOD_WITH_ARGS("CancelJob",
3119 SD_BUS_ARGS("u", id),
3120 SD_BUS_NO_RESULT,
3121 method_cancel_job,
3122 SD_BUS_VTABLE_UNPRIVILEGED),
3123 SD_BUS_METHOD("ClearJobs",
3124 NULL,
3125 NULL,
3126 method_clear_jobs,
3127 SD_BUS_VTABLE_UNPRIVILEGED),
3128 SD_BUS_METHOD("ResetFailed",
3129 NULL,
3130 NULL,
3131 method_reset_failed,
3132 SD_BUS_VTABLE_UNPRIVILEGED),
3133 SD_BUS_METHOD_WITH_ARGS("SetShowStatus",
3134 SD_BUS_ARGS("s", mode),
3135 SD_BUS_NO_RESULT,
3136 method_set_show_status,
3137 SD_BUS_VTABLE_UNPRIVILEGED),
3138 SD_BUS_METHOD_WITH_ARGS("ListUnits",
3139 SD_BUS_NO_ARGS,
3140 SD_BUS_RESULT("a(ssssssouso)", units),
3141 method_list_units,
3142 SD_BUS_VTABLE_UNPRIVILEGED),
3143 SD_BUS_METHOD_WITH_ARGS("ListUnitsFiltered",
3144 SD_BUS_ARGS("as", states),
3145 SD_BUS_RESULT("a(ssssssouso)", units),
3146 method_list_units_filtered,
3147 SD_BUS_VTABLE_UNPRIVILEGED),
3148 SD_BUS_METHOD_WITH_ARGS("ListUnitsByPatterns",
3149 SD_BUS_ARGS("as", states, "as", patterns),
3150 SD_BUS_RESULT("a(ssssssouso)", units),
3151 method_list_units_by_patterns,
3152 SD_BUS_VTABLE_UNPRIVILEGED),
3153 SD_BUS_METHOD_WITH_ARGS("ListUnitsByNames",
3154 SD_BUS_ARGS("as", names),
3155 SD_BUS_RESULT("a(ssssssouso)", units),
3156 method_list_units_by_names,
3157 SD_BUS_VTABLE_UNPRIVILEGED),
3158 SD_BUS_METHOD_WITH_ARGS("ListJobs",
3159 SD_BUS_NO_ARGS,
3160 SD_BUS_RESULT("a(usssoo)", jobs),
3161 method_list_jobs,
3162 SD_BUS_VTABLE_UNPRIVILEGED),
3163 SD_BUS_METHOD("Subscribe",
3164 NULL,
3165 NULL,
3166 method_subscribe,
3167 SD_BUS_VTABLE_UNPRIVILEGED),
3168 SD_BUS_METHOD("Unsubscribe",
3169 NULL,
3170 NULL,
3171 method_unsubscribe,
3172 SD_BUS_VTABLE_UNPRIVILEGED),
3173 SD_BUS_METHOD_WITH_ARGS("Dump",
3174 SD_BUS_NO_ARGS,
3175 SD_BUS_RESULT("s", output),
3176 method_dump,
3177 SD_BUS_VTABLE_UNPRIVILEGED),
3178 SD_BUS_METHOD_WITH_ARGS("DumpUnitsMatchingPatterns",
3179 SD_BUS_ARGS("as", patterns),
3180 SD_BUS_RESULT("s", output),
3181 method_dump_units_matching_patterns,
3182 SD_BUS_VTABLE_UNPRIVILEGED),
3183 SD_BUS_METHOD_WITH_ARGS("DumpByFileDescriptor",
3184 SD_BUS_NO_ARGS,
3185 SD_BUS_RESULT("h", fd),
3186 method_dump_by_fd,
3187 SD_BUS_VTABLE_UNPRIVILEGED),
3188 SD_BUS_METHOD_WITH_ARGS("DumpUnitsMatchingPatternsByFileDescriptor",
3189 SD_BUS_ARGS("as", patterns),
3190 SD_BUS_RESULT("h", fd),
3191 method_dump_units_matching_patterns_by_fd,
3192 SD_BUS_VTABLE_UNPRIVILEGED),
3193 SD_BUS_METHOD_WITH_ARGS("CreateSnapshot",
3194 SD_BUS_ARGS("s", name, "b", cleanup),
3195 SD_BUS_RESULT("o", unit),
3196 method_refuse_snapshot,
3197 SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
3198 SD_BUS_METHOD_WITH_ARGS("RemoveSnapshot",
3199 SD_BUS_ARGS("s", name),
3200 SD_BUS_NO_RESULT,
3201 method_refuse_snapshot,
3202 SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
3203 SD_BUS_METHOD("Reload",
3204 NULL,
3205 NULL,
3206 method_reload,
3207 SD_BUS_VTABLE_UNPRIVILEGED),
3208 SD_BUS_METHOD("Reexecute",
3209 NULL,
3210 NULL,
3211 method_reexecute,
3212 SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_METHOD_NO_REPLY),
3213 SD_BUS_METHOD("Exit",
3214 NULL,
3215 NULL,
3216 method_exit,
3217 0),
3218 SD_BUS_METHOD("Reboot",
3219 NULL,
3220 NULL,
3221 method_reboot,
3222 SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3223 SD_BUS_METHOD_WITH_ARGS("SoftReboot",
3224 SD_BUS_ARGS("s", new_root),
3225 SD_BUS_NO_RESULT,
3226 method_soft_reboot,
3227 SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3228 SD_BUS_METHOD("PowerOff",
3229 NULL,
3230 NULL,
3231 method_poweroff,
3232 SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3233 SD_BUS_METHOD("Halt",
3234 NULL,
3235 NULL,
3236 method_halt,
3237 SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3238 SD_BUS_METHOD("KExec",
3239 NULL,
3240 NULL,
3241 method_kexec,
3242 SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3243 SD_BUS_METHOD_WITH_ARGS("SwitchRoot",
3244 SD_BUS_ARGS("s", new_root, "s", init),
3245 SD_BUS_NO_RESULT,
3246 method_switch_root,
3247 SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
3248 SD_BUS_METHOD_WITH_ARGS("SetEnvironment",
3249 SD_BUS_ARGS("as", assignments),
3250 SD_BUS_NO_RESULT,
3251 method_set_environment,
3252 SD_BUS_VTABLE_UNPRIVILEGED),
3253 SD_BUS_METHOD_WITH_ARGS("UnsetEnvironment",
3254 SD_BUS_ARGS("as", names),
3255 SD_BUS_NO_RESULT,
3256 method_unset_environment,
3257 SD_BUS_VTABLE_UNPRIVILEGED),
3258 SD_BUS_METHOD_WITH_ARGS("UnsetAndSetEnvironment",
3259 SD_BUS_ARGS("as", names, "as", assignments),
3260 SD_BUS_NO_RESULT,
3261 method_unset_and_set_environment,
3262 SD_BUS_VTABLE_UNPRIVILEGED),
3263 SD_BUS_METHOD_WITH_ARGS("EnqueueMarkedJobs",
3264 SD_BUS_NO_ARGS,
3265 SD_BUS_RESULT("ao", jobs),
3266 method_enqueue_marked_jobs,
3267 SD_BUS_VTABLE_UNPRIVILEGED),
3268 SD_BUS_METHOD_WITH_ARGS("ListUnitFiles",
3269 SD_BUS_NO_ARGS,
3270 SD_BUS_RESULT("a(ss)", unit_files),
3271 method_list_unit_files,
3272 SD_BUS_VTABLE_UNPRIVILEGED),
3273 SD_BUS_METHOD_WITH_ARGS("ListUnitFilesByPatterns",
3274 SD_BUS_ARGS("as", states, "as", patterns),
3275 SD_BUS_RESULT("a(ss)", unit_files),
3276 method_list_unit_files_by_patterns,
3277 SD_BUS_VTABLE_UNPRIVILEGED),
3278 SD_BUS_METHOD_WITH_ARGS("GetUnitFileState",
3279 SD_BUS_ARGS("s", file),
3280 SD_BUS_RESULT("s", state),
3281 method_get_unit_file_state,
3282 SD_BUS_VTABLE_UNPRIVILEGED),
3283 SD_BUS_METHOD_WITH_ARGS("EnableUnitFiles",
3284 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3285 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3286 method_enable_unit_files,
3287 SD_BUS_VTABLE_UNPRIVILEGED),
3288 SD_BUS_METHOD_WITH_ARGS("DisableUnitFiles",
3289 SD_BUS_ARGS("as", files, "b", runtime),
3290 SD_BUS_RESULT("a(sss)", changes),
3291 method_disable_unit_files,
3292 SD_BUS_VTABLE_UNPRIVILEGED),
3293 SD_BUS_METHOD_WITH_ARGS("EnableUnitFilesWithFlags",
3294 SD_BUS_ARGS("as", files, "t", flags),
3295 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3296 method_enable_unit_files_with_flags,
3297 SD_BUS_VTABLE_UNPRIVILEGED),
3298 SD_BUS_METHOD_WITH_ARGS("DisableUnitFilesWithFlags",
3299 SD_BUS_ARGS("as", files, "t", flags),
3300 SD_BUS_RESULT("a(sss)", changes),
3301 method_disable_unit_files_with_flags,
3302 SD_BUS_VTABLE_UNPRIVILEGED),
3303 SD_BUS_METHOD_WITH_ARGS("DisableUnitFilesWithFlagsAndInstallInfo",
3304 SD_BUS_ARGS("as", files, "t", flags),
3305 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3306 method_disable_unit_files_with_flags_and_install_info,
3307 SD_BUS_VTABLE_UNPRIVILEGED),
3308 SD_BUS_METHOD_WITH_ARGS("ReenableUnitFiles",
3309 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3310 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3311 method_reenable_unit_files,
3312 SD_BUS_VTABLE_UNPRIVILEGED),
3313 SD_BUS_METHOD_WITH_ARGS("LinkUnitFiles",
3314 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3315 SD_BUS_RESULT("a(sss)", changes),
3316 method_link_unit_files,
3317 SD_BUS_VTABLE_UNPRIVILEGED),
3318 SD_BUS_METHOD_WITH_ARGS("PresetUnitFiles",
3319 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3320 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3321 method_preset_unit_files,
3322 SD_BUS_VTABLE_UNPRIVILEGED),
3323 SD_BUS_METHOD_WITH_ARGS("PresetUnitFilesWithMode",
3324 SD_BUS_ARGS("as", files, "s", mode, "b", runtime, "b", force),
3325 SD_BUS_RESULT("b", carries_install_info, "a(sss)", changes),
3326 method_preset_unit_files_with_mode,
3327 SD_BUS_VTABLE_UNPRIVILEGED),
3328 SD_BUS_METHOD_WITH_ARGS("MaskUnitFiles",
3329 SD_BUS_ARGS("as", files, "b", runtime, "b", force),
3330 SD_BUS_RESULT("a(sss)", changes),
3331 method_mask_unit_files,
3332 SD_BUS_VTABLE_UNPRIVILEGED),
3333 SD_BUS_METHOD_WITH_ARGS("UnmaskUnitFiles",
3334 SD_BUS_ARGS("as", files, "b", runtime),
3335 SD_BUS_RESULT("a(sss)", changes),
3336 method_unmask_unit_files,
3337 SD_BUS_VTABLE_UNPRIVILEGED),
3338 SD_BUS_METHOD_WITH_ARGS("RevertUnitFiles",
3339 SD_BUS_ARGS("as", files),
3340 SD_BUS_RESULT("a(sss)", changes),
3341 method_revert_unit_files,
3342 SD_BUS_VTABLE_UNPRIVILEGED),
3343 SD_BUS_METHOD_WITH_ARGS("SetDefaultTarget",
3344 SD_BUS_ARGS("s", name, "b", force),
3345 SD_BUS_RESULT("a(sss)", changes),
3346 method_set_default_target,
3347 SD_BUS_VTABLE_UNPRIVILEGED),
3348 SD_BUS_METHOD_WITH_ARGS("GetDefaultTarget",
3349 SD_BUS_NO_ARGS,
3350 SD_BUS_RESULT("s", name),
3351 method_get_default_target,
3352 SD_BUS_VTABLE_UNPRIVILEGED),
3353 SD_BUS_METHOD_WITH_ARGS("PresetAllUnitFiles",
3354 SD_BUS_ARGS("s", mode, "b", runtime, "b", force),
3355 SD_BUS_RESULT("a(sss)", changes),
3356 method_preset_all_unit_files,
3357 SD_BUS_VTABLE_UNPRIVILEGED),
3358 SD_BUS_METHOD_WITH_ARGS("AddDependencyUnitFiles",
3359 SD_BUS_ARGS("as", files, "s", target, "s", type, "b", runtime, "b", force),
3360 SD_BUS_RESULT("a(sss)", changes),
3361 method_add_dependency_unit_files,
3362 SD_BUS_VTABLE_UNPRIVILEGED),
3363 SD_BUS_METHOD_WITH_ARGS("GetUnitFileLinks",
3364 SD_BUS_ARGS("s", name, "b", runtime),
3365 SD_BUS_RESULT("as", links),
3366 method_get_unit_file_links,
3367 SD_BUS_VTABLE_UNPRIVILEGED),
3368 SD_BUS_METHOD_WITH_ARGS("SetExitCode",
3369 SD_BUS_ARGS("y", number),
3370 SD_BUS_NO_RESULT,
3371 method_set_exit_code,
3372 SD_BUS_VTABLE_UNPRIVILEGED),
3373 SD_BUS_METHOD_WITH_ARGS("LookupDynamicUserByName",
3374 SD_BUS_ARGS("s", name),
3375 SD_BUS_RESULT("u", uid),
3376 method_lookup_dynamic_user_by_name,
3377 SD_BUS_VTABLE_UNPRIVILEGED),
3378 SD_BUS_METHOD_WITH_ARGS("LookupDynamicUserByUID",
3379 SD_BUS_ARGS("u", uid),
3380 SD_BUS_RESULT("s", name),
3381 method_lookup_dynamic_user_by_uid,
3382 SD_BUS_VTABLE_UNPRIVILEGED),
3383 SD_BUS_METHOD_WITH_ARGS("GetDynamicUsers",
3384 SD_BUS_NO_ARGS,
3385 SD_BUS_RESULT("a(us)", users),
3386 method_get_dynamic_users,
3387 SD_BUS_VTABLE_UNPRIVILEGED),
3388 SD_BUS_METHOD_WITH_ARGS("DumpUnitFileDescriptorStore",
3389 SD_BUS_ARGS("s", name),
3390 SD_BUS_RESULT("a(suuutuusu)", entries),
3391 method_dump_unit_descriptor_store,
3392 SD_BUS_VTABLE_UNPRIVILEGED),
3393 SD_BUS_METHOD_WITH_ARGS("StartAuxiliaryScope",
3394 SD_BUS_ARGS("s", name, "ah", pidfds, "t", flags, "a(sv)", properties),
3395 SD_BUS_RESULT("o", job),
3396 method_start_aux_scope,
3397 SD_BUS_VTABLE_DEPRECATED|SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
3398
3399 SD_BUS_SIGNAL_WITH_ARGS("UnitNew",
3400 SD_BUS_ARGS("s", id, "o", unit),
3401 0),
3402 SD_BUS_SIGNAL_WITH_ARGS("UnitRemoved",
3403 SD_BUS_ARGS("s", id, "o", unit),
3404 0),
3405 SD_BUS_SIGNAL_WITH_ARGS("JobNew",
3406 SD_BUS_ARGS("u", id, "o", job, "s", unit),
3407 0),
3408 SD_BUS_SIGNAL_WITH_ARGS("JobRemoved",
3409 SD_BUS_ARGS("u", id, "o", job, "s", unit, "s", result),
3410 0),
3411 SD_BUS_SIGNAL_WITH_ARGS("StartupFinished",
3412 SD_BUS_ARGS("t", firmware, "t", loader, "t", kernel, "t", initrd, "t", userspace, "t", total),
3413 0),
3414 SD_BUS_SIGNAL("UnitFilesChanged", NULL, 0),
3415 SD_BUS_SIGNAL_WITH_ARGS("Reloading",
3416 SD_BUS_ARGS("b", active),
3417 0),
3418
3419 SD_BUS_VTABLE_END
3420};
3421
3422const sd_bus_vtable bus_manager_log_control_vtable[] = {
3423 SD_BUS_VTABLE_START(0),
3424
3425 /* We define a private version of this interface here, since we want slightly different
3426 * implementations for the setters. We'll still use the generic getters however, and we share the
3427 * setters with the implementations for the Manager interface above (which pre-dates the generic
3428 * service API interface). */
3429
3430 SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", bus_property_get_log_level, property_set_log_level, 0, 0),
3431 SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", bus_property_get_log_target, property_set_log_target, 0, 0),
3432 SD_BUS_PROPERTY("SyslogIdentifier", "s", bus_property_get_syslog_identifier, 0, 0),
3433
3434 SD_BUS_VTABLE_END,
3435};
3436
3437static int send_finished(sd_bus *bus, void *userdata) {
3438 _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
3439 usec_t *times = ASSERT_PTR(userdata);
3440 int r;
3441
3442 assert(bus);
3443
3444 r = sd_bus_message_new_signal(bus,
3445 &message,
3446 "/org/freedesktop/systemd1",
3447 "org.freedesktop.systemd1.Manager",
3448 "StartupFinished");
3449 if (r < 0)
3450 return r;
3451
3452 r = sd_bus_message_append(message, "tttttt", times[0], times[1], times[2], times[3], times[4], times[5]);
3453 if (r < 0)
3454 return r;
3455
3456 return sd_bus_send(bus, message, NULL);
3457}
3458
3459void bus_manager_send_finished(
3460 Manager *m,
3461 usec_t firmware_usec,
3462 usec_t loader_usec,
3463 usec_t kernel_usec,
3464 usec_t initrd_usec,
3465 usec_t userspace_usec,
3466 usec_t total_usec) {
3467
3468 int r;
3469
3470 assert(m);
3471
3472 r = bus_foreach_bus(
3473 m,
3474 NULL,
3475 send_finished,
3476 (usec_t[6]) {
3477 firmware_usec,
3478 loader_usec,
3479 kernel_usec,
3480 initrd_usec,
3481 userspace_usec,
3482 total_usec
3483 });
3484 if (r < 0)
3485 log_debug_errno(r, "Failed to send finished signal: %m");
3486}
3487
3488static int send_reloading(sd_bus *bus, void *userdata) {
3489 _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
3490 int r;
3491
3492 assert(bus);
3493
3494 r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading");
3495 if (r < 0)
3496 return r;
3497
3498 r = sd_bus_message_append(message, "b", PTR_TO_INT(userdata));
3499 if (r < 0)
3500 return r;
3501
3502 return sd_bus_send(bus, message, NULL);
3503}
3504
3505void bus_manager_send_reloading(Manager *m, bool active) {
3506 int r;
3507
3508 assert(m);
3509
3510 r = bus_foreach_bus(m, NULL, send_reloading, INT_TO_PTR(active));
3511 if (r < 0)
3512 log_debug_errno(r, "Failed to send reloading signal: %m");
3513}
3514
3515static int send_changed_signal(sd_bus *bus, void *userdata) {
3516 assert(bus);
3517
3518 return sd_bus_emit_properties_changed_strv(bus,
3519 "/org/freedesktop/systemd1",
3520 "org.freedesktop.systemd1.Manager",
3521 NULL);
3522}
3523
3524void bus_manager_send_change_signal(Manager *m) {
3525 int r;
3526
3527 assert(m);
3528
3529 r = bus_foreach_bus(m, NULL, send_changed_signal, NULL);
3530 if (r < 0)
3531 log_debug_errno(r, "Failed to send manager change signal: %m");
3532}
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