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Merge pull request #22791 from keszybz/bootctl-invert-order
[thirdparty/systemd.git] / src / login / loginctl.c
1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3 #include <errno.h>
4 #include <getopt.h>
5 #include <locale.h>
6 #include <unistd.h>
7
8 #include "sd-bus.h"
9
10 #include "alloc-util.h"
11 #include "bus-error.h"
12 #include "bus-locator.h"
13 #include "bus-map-properties.h"
14 #include "bus-print-properties.h"
15 #include "bus-unit-procs.h"
16 #include "cgroup-show.h"
17 #include "cgroup-util.h"
18 #include "format-table.h"
19 #include "log.h"
20 #include "logs-show.h"
21 #include "macro.h"
22 #include "main-func.h"
23 #include "memory-util.h"
24 #include "pager.h"
25 #include "parse-argument.h"
26 #include "parse-util.h"
27 #include "pretty-print.h"
28 #include "process-util.h"
29 #include "rlimit-util.h"
30 #include "sigbus.h"
31 #include "signal-util.h"
32 #include "spawn-polkit-agent.h"
33 #include "string-table.h"
34 #include "strv.h"
35 #include "sysfs-show.h"
36 #include "terminal-util.h"
37 #include "unit-name.h"
38 #include "user-util.h"
39 #include "verbs.h"
40
41 static char **arg_property = NULL;
42 static BusPrintPropertyFlags arg_print_flags = 0;
43 static bool arg_full = false;
44 static PagerFlags arg_pager_flags = 0;
45 static bool arg_legend = true;
46 static const char *arg_kill_who = NULL;
47 static int arg_signal = SIGTERM;
48 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
49 static char *arg_host = NULL;
50 static bool arg_ask_password = true;
51 static unsigned arg_lines = 10;
52 static OutputMode arg_output = OUTPUT_SHORT;
53
54 STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep);
55
56 static OutputFlags get_output_flags(void) {
57
58 return
59 FLAGS_SET(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY) * OUTPUT_SHOW_ALL |
60 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
61 colors_enabled() * OUTPUT_COLOR;
62 }
63
64 static int get_session_path(sd_bus *bus, const char *session_id, sd_bus_error *error, char **path) {
65 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
66 int r;
67 char *ans;
68
69 r = bus_call_method(bus, bus_login_mgr, "GetSession", error, &reply, "s", session_id);
70 if (r < 0)
71 return r;
72
73 r = sd_bus_message_read(reply, "o", &ans);
74 if (r < 0)
75 return r;
76
77 ans = strdup(ans);
78 if (!ans)
79 return -ENOMEM;
80
81 *path = ans;
82 return 0;
83 }
84
85 static int show_table(Table *table, const char *word) {
86 int r;
87
88 assert(table);
89 assert(word);
90
91 if (table_get_rows(table) > 1 || OUTPUT_MODE_IS_JSON(arg_output)) {
92 r = table_set_sort(table, (size_t) 0);
93 if (r < 0)
94 return table_log_sort_error(r);
95
96 table_set_header(table, arg_legend);
97
98 if (OUTPUT_MODE_IS_JSON(arg_output))
99 r = table_print_json(table, NULL, output_mode_to_json_format_flags(arg_output) | JSON_FORMAT_COLOR_AUTO);
100 else
101 r = table_print(table, NULL);
102 if (r < 0)
103 return table_log_print_error(r);
104 }
105
106 if (arg_legend) {
107 if (table_get_rows(table) > 1)
108 printf("\n%zu %s listed.\n", table_get_rows(table) - 1, word);
109 else
110 printf("No %s.\n", word);
111 }
112
113 return 0;
114 }
115
116 static int list_sessions(int argc, char *argv[], void *userdata) {
117 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
118 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
119 _cleanup_(table_unrefp) Table *table = NULL;
120 sd_bus *bus = userdata;
121 int r;
122
123 assert(bus);
124 assert(argv);
125
126 pager_open(arg_pager_flags);
127
128 r = bus_call_method(bus, bus_login_mgr, "ListSessions", &error, &reply, NULL);
129 if (r < 0)
130 return log_error_errno(r, "Failed to list sessions: %s", bus_error_message(&error, r));
131
132 r = sd_bus_message_enter_container(reply, 'a', "(susso)");
133 if (r < 0)
134 return bus_log_parse_error(r);
135
136 table = table_new("session", "uid", "user", "seat", "tty");
137 if (!table)
138 return log_oom();
139
140 /* Right-align the first two fields (since they are numeric) */
141 (void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
142 (void) table_set_align_percent(table, TABLE_HEADER_CELL(1), 100);
143
144 for (;;) {
145 _cleanup_(sd_bus_error_free) sd_bus_error error_tty = SD_BUS_ERROR_NULL;
146 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply_tty = NULL;
147 const char *id, *user, *seat, *object, *tty = NULL;
148 uint32_t uid;
149
150 r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object);
151 if (r < 0)
152 return bus_log_parse_error(r);
153 if (r == 0)
154 break;
155
156 r = sd_bus_get_property(
157 bus,
158 "org.freedesktop.login1",
159 object,
160 "org.freedesktop.login1.Session",
161 "TTY",
162 &error_tty,
163 &reply_tty,
164 "s");
165 if (r < 0)
166 log_warning_errno(r, "Failed to get TTY for session %s: %s", id, bus_error_message(&error_tty, r));
167 else {
168 r = sd_bus_message_read(reply_tty, "s", &tty);
169 if (r < 0)
170 return bus_log_parse_error(r);
171 }
172
173 r = table_add_many(table,
174 TABLE_STRING, id,
175 TABLE_UID, (uid_t) uid,
176 TABLE_STRING, user,
177 TABLE_STRING, seat,
178 TABLE_STRING, strna(tty));
179 if (r < 0)
180 return table_log_add_error(r);
181 }
182
183 r = sd_bus_message_exit_container(reply);
184 if (r < 0)
185 return bus_log_parse_error(r);
186
187 return show_table(table, "sessions");
188 }
189
190 static int list_users(int argc, char *argv[], void *userdata) {
191 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
192 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
193 _cleanup_(table_unrefp) Table *table = NULL;
194 sd_bus *bus = userdata;
195 int r;
196
197 assert(bus);
198 assert(argv);
199
200 pager_open(arg_pager_flags);
201
202 r = bus_call_method(bus, bus_login_mgr, "ListUsers", &error, &reply, NULL);
203 if (r < 0)
204 return log_error_errno(r, "Failed to list users: %s", bus_error_message(&error, r));
205
206 r = sd_bus_message_enter_container(reply, 'a', "(uso)");
207 if (r < 0)
208 return bus_log_parse_error(r);
209
210 table = table_new("uid", "user");
211 if (!table)
212 return log_oom();
213
214 (void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
215
216 for (;;) {
217 const char *user;
218 uint32_t uid;
219
220 r = sd_bus_message_read(reply, "(uso)", &uid, &user, NULL);
221 if (r < 0)
222 return bus_log_parse_error(r);
223 if (r == 0)
224 break;
225
226 r = table_add_many(table,
227 TABLE_UID, (uid_t) uid,
228 TABLE_STRING, user);
229 if (r < 0)
230 return table_log_add_error(r);
231 }
232
233 r = sd_bus_message_exit_container(reply);
234 if (r < 0)
235 return bus_log_parse_error(r);
236
237 return show_table(table, "users");
238 }
239
240 static int list_seats(int argc, char *argv[], void *userdata) {
241 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
242 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
243 _cleanup_(table_unrefp) Table *table = NULL;
244 sd_bus *bus = userdata;
245 int r;
246
247 assert(bus);
248 assert(argv);
249
250 pager_open(arg_pager_flags);
251
252 r = bus_call_method(bus, bus_login_mgr, "ListSeats", &error, &reply, NULL);
253 if (r < 0)
254 return log_error_errno(r, "Failed to list seats: %s", bus_error_message(&error, r));
255
256 r = sd_bus_message_enter_container(reply, 'a', "(so)");
257 if (r < 0)
258 return bus_log_parse_error(r);
259
260 table = table_new("seat");
261 if (!table)
262 return log_oom();
263
264 for (;;) {
265 const char *seat;
266
267 r = sd_bus_message_read(reply, "(so)", &seat, NULL);
268 if (r < 0)
269 return bus_log_parse_error(r);
270 if (r == 0)
271 break;
272
273 r = table_add_cell(table, NULL, TABLE_STRING, seat);
274 if (r < 0)
275 return table_log_add_error(r);
276 }
277
278 r = sd_bus_message_exit_container(reply);
279 if (r < 0)
280 return bus_log_parse_error(r);
281
282 return show_table(table, "seats");
283 }
284
285 static int show_unit_cgroup(sd_bus *bus, const char *interface, const char *unit, pid_t leader) {
286 _cleanup_free_ char *cgroup = NULL;
287 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
288 unsigned c;
289 int r;
290
291 assert(bus);
292 assert(unit);
293
294 r = show_cgroup_get_unit_path_and_warn(bus, unit, &cgroup);
295 if (r < 0)
296 return r;
297
298 if (isempty(cgroup))
299 return 0;
300
301 c = columns();
302 if (c > 18)
303 c -= 18;
304 else
305 c = 0;
306
307 r = unit_show_processes(bus, unit, cgroup, "\t\t ", c, get_output_flags(), &error);
308 if (r == -EBADR) {
309
310 if (arg_transport == BUS_TRANSPORT_REMOTE)
311 return 0;
312
313 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
314
315 if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup) != 0 && leader <= 0)
316 return 0;
317
318 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, &leader, leader > 0, get_output_flags());
319 } else if (r < 0)
320 return log_error_errno(r, "Failed to dump process list: %s", bus_error_message(&error, r));
321
322 return 0;
323 }
324
325 typedef struct SessionStatusInfo {
326 const char *id;
327 uid_t uid;
328 const char *name;
329 struct dual_timestamp timestamp;
330 unsigned vtnr;
331 const char *seat;
332 const char *tty;
333 const char *display;
334 bool remote;
335 const char *remote_host;
336 const char *remote_user;
337 const char *service;
338 pid_t leader;
339 const char *type;
340 const char *class;
341 const char *state;
342 const char *scope;
343 const char *desktop;
344 } SessionStatusInfo;
345
346 typedef struct UserStatusInfo {
347 uid_t uid;
348 bool linger;
349 const char *name;
350 struct dual_timestamp timestamp;
351 const char *state;
352 char **sessions;
353 const char *display;
354 const char *slice;
355 } UserStatusInfo;
356
357 typedef struct SeatStatusInfo {
358 const char *id;
359 const char *active_session;
360 char **sessions;
361 } SeatStatusInfo;
362
363 static void user_status_info_clear(UserStatusInfo *info) {
364 if (info) {
365 strv_free(info->sessions);
366 zero(*info);
367 }
368 }
369
370 static void seat_status_info_clear(SeatStatusInfo *info) {
371 if (info) {
372 strv_free(info->sessions);
373 zero(*info);
374 }
375 }
376
377 static int prop_map_first_of_struct(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
378 const char *contents;
379 int r;
380
381 r = sd_bus_message_peek_type(m, NULL, &contents);
382 if (r < 0)
383 return r;
384
385 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, contents);
386 if (r < 0)
387 return r;
388
389 r = sd_bus_message_read_basic(m, contents[0], userdata);
390 if (r < 0)
391 return r;
392
393 r = sd_bus_message_skip(m, contents+1);
394 if (r < 0)
395 return r;
396
397 r = sd_bus_message_exit_container(m);
398 if (r < 0)
399 return r;
400
401 return 0;
402 }
403
404 static int prop_map_sessions_strv(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
405 const char *name;
406 int r;
407
408 assert(bus);
409 assert(m);
410
411 r = sd_bus_message_enter_container(m, 'a', "(so)");
412 if (r < 0)
413 return r;
414
415 while ((r = sd_bus_message_read(m, "(so)", &name, NULL)) > 0) {
416 r = strv_extend(userdata, name);
417 if (r < 0)
418 return r;
419 }
420 if (r < 0)
421 return r;
422
423 return sd_bus_message_exit_container(m);
424 }
425
426 static int print_session_status_info(sd_bus *bus, const char *path, bool *new_line) {
427
428 static const struct bus_properties_map map[] = {
429 { "Id", "s", NULL, offsetof(SessionStatusInfo, id) },
430 { "Name", "s", NULL, offsetof(SessionStatusInfo, name) },
431 { "TTY", "s", NULL, offsetof(SessionStatusInfo, tty) },
432 { "Display", "s", NULL, offsetof(SessionStatusInfo, display) },
433 { "RemoteHost", "s", NULL, offsetof(SessionStatusInfo, remote_host) },
434 { "RemoteUser", "s", NULL, offsetof(SessionStatusInfo, remote_user) },
435 { "Service", "s", NULL, offsetof(SessionStatusInfo, service) },
436 { "Desktop", "s", NULL, offsetof(SessionStatusInfo, desktop) },
437 { "Type", "s", NULL, offsetof(SessionStatusInfo, type) },
438 { "Class", "s", NULL, offsetof(SessionStatusInfo, class) },
439 { "Scope", "s", NULL, offsetof(SessionStatusInfo, scope) },
440 { "State", "s", NULL, offsetof(SessionStatusInfo, state) },
441 { "VTNr", "u", NULL, offsetof(SessionStatusInfo, vtnr) },
442 { "Leader", "u", NULL, offsetof(SessionStatusInfo, leader) },
443 { "Remote", "b", NULL, offsetof(SessionStatusInfo, remote) },
444 { "Timestamp", "t", NULL, offsetof(SessionStatusInfo, timestamp.realtime) },
445 { "TimestampMonotonic", "t", NULL, offsetof(SessionStatusInfo, timestamp.monotonic) },
446 { "User", "(uo)", prop_map_first_of_struct, offsetof(SessionStatusInfo, uid) },
447 { "Seat", "(so)", prop_map_first_of_struct, offsetof(SessionStatusInfo, seat) },
448 {}
449 };
450
451 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
452 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
453 SessionStatusInfo i = {};
454 int r;
455
456 r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, BUS_MAP_BOOLEAN_AS_BOOL, &error, &m, &i);
457 if (r < 0)
458 return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
459
460 if (*new_line)
461 printf("\n");
462
463 *new_line = true;
464
465 printf("%s - ", strna(i.id));
466
467 if (i.name)
468 printf("%s (%"PRIu32")\n", i.name, i.uid);
469 else
470 printf("%"PRIu32"\n", i.uid);
471
472 if (timestamp_is_set(i.timestamp.realtime))
473 printf("\t Since: %s; %s\n",
474 FORMAT_TIMESTAMP(i.timestamp.realtime),
475 FORMAT_TIMESTAMP_RELATIVE(i.timestamp.realtime));
476
477 if (i.leader > 0) {
478 _cleanup_free_ char *t = NULL;
479
480 printf("\t Leader: %"PRIu32, i.leader);
481
482 (void) get_process_comm(i.leader, &t);
483 if (t)
484 printf(" (%s)", t);
485
486 printf("\n");
487 }
488
489 if (!isempty(i.seat)) {
490 printf("\t Seat: %s", i.seat);
491
492 if (i.vtnr > 0)
493 printf("; vc%u", i.vtnr);
494
495 printf("\n");
496 }
497
498 if (i.tty)
499 printf("\t TTY: %s\n", i.tty);
500 else if (i.display)
501 printf("\t Display: %s\n", i.display);
502
503 if (i.remote_host && i.remote_user)
504 printf("\t Remote: %s@%s\n", i.remote_user, i.remote_host);
505 else if (i.remote_host)
506 printf("\t Remote: %s\n", i.remote_host);
507 else if (i.remote_user)
508 printf("\t Remote: user %s\n", i.remote_user);
509 else if (i.remote)
510 printf("\t Remote: Yes\n");
511
512 if (i.service) {
513 printf("\t Service: %s", i.service);
514
515 if (i.type)
516 printf("; type %s", i.type);
517
518 if (i.class)
519 printf("; class %s", i.class);
520
521 printf("\n");
522 } else if (i.type) {
523 printf("\t Type: %s", i.type);
524
525 if (i.class)
526 printf("; class %s", i.class);
527
528 printf("\n");
529 } else if (i.class)
530 printf("\t Class: %s\n", i.class);
531
532 if (!isempty(i.desktop))
533 printf("\t Desktop: %s\n", i.desktop);
534
535 if (i.state)
536 printf("\t State: %s\n", i.state);
537
538 if (i.scope) {
539 printf("\t Unit: %s\n", i.scope);
540 show_unit_cgroup(bus, "org.freedesktop.systemd1.Scope", i.scope, i.leader);
541
542 if (arg_transport == BUS_TRANSPORT_LOCAL)
543 show_journal_by_unit(
544 stdout,
545 i.scope,
546 NULL,
547 arg_output,
548 0,
549 i.timestamp.monotonic,
550 arg_lines,
551 0,
552 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
553 SD_JOURNAL_LOCAL_ONLY,
554 true,
555 NULL);
556 }
557
558 return 0;
559 }
560
561 static int print_user_status_info(sd_bus *bus, const char *path, bool *new_line) {
562
563 static const struct bus_properties_map map[] = {
564 { "Name", "s", NULL, offsetof(UserStatusInfo, name) },
565 { "Linger", "b", NULL, offsetof(UserStatusInfo, linger) },
566 { "Slice", "s", NULL, offsetof(UserStatusInfo, slice) },
567 { "State", "s", NULL, offsetof(UserStatusInfo, state) },
568 { "UID", "u", NULL, offsetof(UserStatusInfo, uid) },
569 { "Timestamp", "t", NULL, offsetof(UserStatusInfo, timestamp.realtime) },
570 { "TimestampMonotonic", "t", NULL, offsetof(UserStatusInfo, timestamp.monotonic) },
571 { "Display", "(so)", prop_map_first_of_struct, offsetof(UserStatusInfo, display) },
572 { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(UserStatusInfo, sessions) },
573 {}
574 };
575
576 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
577 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
578 _cleanup_(user_status_info_clear) UserStatusInfo i = {};
579 int r;
580
581 r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, BUS_MAP_BOOLEAN_AS_BOOL, &error, &m, &i);
582 if (r < 0)
583 return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
584
585 if (*new_line)
586 printf("\n");
587
588 *new_line = true;
589
590 if (i.name)
591 printf("%s (%"PRIu32")\n", i.name, i.uid);
592 else
593 printf("%"PRIu32"\n", i.uid);
594
595 if (timestamp_is_set(i.timestamp.realtime))
596 printf("\t Since: %s; %s\n",
597 FORMAT_TIMESTAMP(i.timestamp.realtime),
598 FORMAT_TIMESTAMP_RELATIVE(i.timestamp.realtime));
599
600 if (!isempty(i.state))
601 printf("\t State: %s\n", i.state);
602
603 if (!strv_isempty(i.sessions)) {
604 printf("\tSessions:");
605
606 STRV_FOREACH(l, i.sessions)
607 printf(" %s%s",
608 streq_ptr(*l, i.display) ? "*" : "",
609 *l);
610
611 printf("\n");
612 }
613
614 printf("\t Linger: %s\n", yes_no(i.linger));
615
616 if (i.slice) {
617 printf("\t Unit: %s\n", i.slice);
618 show_unit_cgroup(bus, "org.freedesktop.systemd1.Slice", i.slice, 0);
619
620 show_journal_by_unit(
621 stdout,
622 i.slice,
623 NULL,
624 arg_output,
625 0,
626 i.timestamp.monotonic,
627 arg_lines,
628 0,
629 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
630 SD_JOURNAL_LOCAL_ONLY,
631 true,
632 NULL);
633 }
634
635 return 0;
636 }
637
638 static int print_seat_status_info(sd_bus *bus, const char *path, bool *new_line) {
639
640 static const struct bus_properties_map map[] = {
641 { "Id", "s", NULL, offsetof(SeatStatusInfo, id) },
642 { "ActiveSession", "(so)", prop_map_first_of_struct, offsetof(SeatStatusInfo, active_session) },
643 { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(SeatStatusInfo, sessions) },
644 {}
645 };
646
647 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
648 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
649 _cleanup_(seat_status_info_clear) SeatStatusInfo i = {};
650 int r;
651
652 r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, 0, &error, &m, &i);
653 if (r < 0)
654 return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
655
656 if (*new_line)
657 printf("\n");
658
659 *new_line = true;
660
661 printf("%s\n", strna(i.id));
662
663 if (!strv_isempty(i.sessions)) {
664 printf("\tSessions:");
665
666 STRV_FOREACH(l, i.sessions) {
667 if (streq_ptr(*l, i.active_session))
668 printf(" *%s", *l);
669 else
670 printf(" %s", *l);
671 }
672
673 printf("\n");
674 }
675
676 if (arg_transport == BUS_TRANSPORT_LOCAL) {
677 unsigned c;
678
679 c = columns();
680 if (c > 21)
681 c -= 21;
682 else
683 c = 0;
684
685 printf("\t Devices:\n");
686
687 show_sysfs(i.id, "\t\t ", c, get_output_flags());
688 }
689
690 return 0;
691 }
692
693 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, BusPrintPropertyFlags flags) {
694 char type;
695 const char *contents;
696 int r;
697
698 assert(name);
699 assert(m);
700
701 r = sd_bus_message_peek_type(m, &type, &contents);
702 if (r < 0)
703 return r;
704
705 switch (type) {
706
707 case SD_BUS_TYPE_STRUCT:
708
709 if (contents[0] == SD_BUS_TYPE_STRING && STR_IN_SET(name, "Display", "Seat", "ActiveSession")) {
710 const char *s;
711
712 r = sd_bus_message_read(m, "(so)", &s, NULL);
713 if (r < 0)
714 return bus_log_parse_error(r);
715
716 bus_print_property_value(name, expected_value, flags, s);
717
718 return 1;
719
720 } else if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "User")) {
721 uint32_t uid;
722
723 r = sd_bus_message_read(m, "(uo)", &uid, NULL);
724 if (r < 0)
725 return bus_log_parse_error(r);
726
727 if (!uid_is_valid(uid))
728 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
729 "Invalid user ID: " UID_FMT,
730 uid);
731
732 bus_print_property_valuef(name, expected_value, flags, UID_FMT, uid);
733 return 1;
734 }
735 break;
736
737 case SD_BUS_TYPE_ARRAY:
738
739 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Sessions")) {
740 const char *s;
741 bool space = false;
742
743 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(so)");
744 if (r < 0)
745 return bus_log_parse_error(r);
746
747 if (!FLAGS_SET(flags, BUS_PRINT_PROPERTY_ONLY_VALUE))
748 printf("%s=", name);
749
750 while ((r = sd_bus_message_read(m, "(so)", &s, NULL)) > 0) {
751 printf("%s%s", space ? " " : "", s);
752 space = true;
753 }
754
755 if (space || !FLAGS_SET(flags, BUS_PRINT_PROPERTY_ONLY_VALUE))
756 printf("\n");
757
758 if (r < 0)
759 return bus_log_parse_error(r);
760
761 r = sd_bus_message_exit_container(m);
762 if (r < 0)
763 return bus_log_parse_error(r);
764
765 return 1;
766 }
767 break;
768 }
769
770 return 0;
771 }
772
773 static int show_properties(sd_bus *bus, const char *path, bool *new_line) {
774 int r;
775
776 assert(bus);
777 assert(path);
778 assert(new_line);
779
780 if (*new_line)
781 printf("\n");
782
783 *new_line = true;
784
785 r = bus_print_all_properties(
786 bus,
787 "org.freedesktop.login1",
788 path,
789 print_property,
790 arg_property,
791 arg_print_flags,
792 NULL);
793 if (r < 0)
794 return bus_log_parse_error(r);
795
796 return 0;
797 }
798
799 static int show_session(int argc, char *argv[], void *userdata) {
800 bool properties, new_line = false;
801 sd_bus *bus = userdata;
802 int r;
803 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
804 _cleanup_free_ char *path = NULL;
805
806 assert(bus);
807 assert(argv);
808
809 properties = !strstr(argv[0], "status");
810
811 pager_open(arg_pager_flags);
812
813 if (argc <= 1) {
814 /* If no argument is specified inspect the manager itself */
815 if (properties)
816 return show_properties(bus, "/org/freedesktop/login1", &new_line);
817
818 return print_session_status_info(bus, "/org/freedesktop/login1/session/auto", &new_line);
819 }
820
821 for (int i = 1; i < argc; i++) {
822 r = get_session_path(bus, argv[i], &error, &path);
823 if (r < 0)
824 return log_error_errno(r, "Failed to get session path: %s", bus_error_message(&error, r));
825
826 if (properties)
827 r = show_properties(bus, path, &new_line);
828 else
829 r = print_session_status_info(bus, path, &new_line);
830
831 if (r < 0)
832 return r;
833 }
834
835 return 0;
836 }
837
838 static int show_user(int argc, char *argv[], void *userdata) {
839 bool properties, new_line = false;
840 sd_bus *bus = userdata;
841 int r;
842
843 assert(bus);
844 assert(argv);
845
846 properties = !strstr(argv[0], "status");
847
848 pager_open(arg_pager_flags);
849
850 if (argc <= 1) {
851 /* If no argument is specified inspect the manager itself */
852 if (properties)
853 return show_properties(bus, "/org/freedesktop/login1", &new_line);
854
855 return print_user_status_info(bus, "/org/freedesktop/login1/user/self", &new_line);
856 }
857
858 for (int i = 1; i < argc; i++) {
859 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
860 _cleanup_(sd_bus_message_unrefp) sd_bus_message * reply = NULL;
861 const char *path = NULL;
862 uid_t uid;
863
864 r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL, 0);
865 if (r < 0)
866 return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
867
868 r = sd_bus_call_method(
869 bus,
870 "org.freedesktop.login1",
871 "/org/freedesktop/login1",
872 "org.freedesktop.login1.Manager",
873 "GetUser",
874 &error, &reply,
875 "u", (uint32_t) uid);
876 if (r < 0)
877 return log_error_errno(r, "Failed to get user: %s", bus_error_message(&error, r));
878
879 r = sd_bus_message_read(reply, "o", &path);
880 if (r < 0)
881 return bus_log_parse_error(r);
882
883 if (properties)
884 r = show_properties(bus, path, &new_line);
885 else
886 r = print_user_status_info(bus, path, &new_line);
887
888 if (r < 0)
889 return r;
890 }
891
892 return 0;
893 }
894
895 static int show_seat(int argc, char *argv[], void *userdata) {
896 bool properties, new_line = false;
897 sd_bus *bus = userdata;
898 int r;
899
900 assert(bus);
901 assert(argv);
902
903 properties = !strstr(argv[0], "status");
904
905 pager_open(arg_pager_flags);
906
907 if (argc <= 1) {
908 /* If no argument is specified inspect the manager itself */
909 if (properties)
910 return show_properties(bus, "/org/freedesktop/login1", &new_line);
911
912 return print_seat_status_info(bus, "/org/freedesktop/login1/seat/auto", &new_line);
913 }
914
915 for (int i = 1; i < argc; i++) {
916 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
917 _cleanup_(sd_bus_message_unrefp) sd_bus_message * reply = NULL;
918 const char *path = NULL;
919
920 r = bus_call_method(bus, bus_login_mgr, "GetSeat", &error, &reply, "s", argv[i]);
921 if (r < 0)
922 return log_error_errno(r, "Failed to get seat: %s", bus_error_message(&error, r));
923
924 r = sd_bus_message_read(reply, "o", &path);
925 if (r < 0)
926 return bus_log_parse_error(r);
927
928 if (properties)
929 r = show_properties(bus, path, &new_line);
930 else
931 r = print_seat_status_info(bus, path, &new_line);
932
933 if (r < 0)
934 return r;
935 }
936
937 return 0;
938 }
939
940 static int activate(int argc, char *argv[], void *userdata) {
941 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
942 sd_bus *bus = userdata;
943 int r;
944
945 assert(bus);
946 assert(argv);
947
948 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
949
950 if (argc < 2) {
951 r = sd_bus_call_method(
952 bus,
953 "org.freedesktop.login1",
954 "/org/freedesktop/login1/session/auto",
955 "org.freedesktop.login1.Session",
956 streq(argv[0], "lock-session") ? "Lock" :
957 streq(argv[0], "unlock-session") ? "Unlock" :
958 streq(argv[0], "terminate-session") ? "Terminate" :
959 "Activate",
960 &error, NULL, NULL);
961 if (r < 0)
962 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
963
964 return 0;
965 }
966
967 for (int i = 1; i < argc; i++) {
968
969 r = bus_call_method(
970 bus,
971 bus_login_mgr,
972 streq(argv[0], "lock-session") ? "LockSession" :
973 streq(argv[0], "unlock-session") ? "UnlockSession" :
974 streq(argv[0], "terminate-session") ? "TerminateSession" :
975 "ActivateSession",
976 &error, NULL,
977 "s", argv[i]);
978 if (r < 0)
979 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
980 }
981
982 return 0;
983 }
984
985 static int kill_session(int argc, char *argv[], void *userdata) {
986 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
987 sd_bus *bus = userdata;
988 int r;
989
990 assert(bus);
991 assert(argv);
992
993 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
994
995 if (!arg_kill_who)
996 arg_kill_who = "all";
997
998 for (int i = 1; i < argc; i++) {
999
1000 r = bus_call_method(
1001 bus,
1002 bus_login_mgr,
1003 "KillSession",
1004 &error, NULL,
1005 "ssi", argv[i], arg_kill_who, arg_signal);
1006 if (r < 0)
1007 return log_error_errno(r, "Could not kill session: %s", bus_error_message(&error, r));
1008 }
1009
1010 return 0;
1011 }
1012
1013 static int enable_linger(int argc, char *argv[], void *userdata) {
1014 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1015 sd_bus *bus = userdata;
1016 char* short_argv[3];
1017 bool b;
1018 int r;
1019
1020 assert(bus);
1021 assert(argv);
1022
1023 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
1024
1025 b = streq(argv[0], "enable-linger");
1026
1027 if (argc < 2) {
1028 /* No argument? Let's use an empty user name,
1029 * then logind will use our user. */
1030
1031 short_argv[0] = argv[0];
1032 short_argv[1] = (char*) "";
1033 short_argv[2] = NULL;
1034 argv = short_argv;
1035 argc = 2;
1036 }
1037
1038 for (int i = 1; i < argc; i++) {
1039 uid_t uid;
1040
1041 if (isempty(argv[i]))
1042 uid = UID_INVALID;
1043 else {
1044 r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL, 0);
1045 if (r < 0)
1046 return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
1047 }
1048
1049 r = bus_call_method(
1050 bus,
1051 bus_login_mgr,
1052 "SetUserLinger",
1053 &error, NULL,
1054 "ubb", (uint32_t) uid, b, true);
1055 if (r < 0)
1056 return log_error_errno(r, "Could not enable linger: %s", bus_error_message(&error, r));
1057 }
1058
1059 return 0;
1060 }
1061
1062 static int terminate_user(int argc, char *argv[], void *userdata) {
1063 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1064 sd_bus *bus = userdata;
1065 int r;
1066
1067 assert(bus);
1068 assert(argv);
1069
1070 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
1071
1072 for (int i = 1; i < argc; i++) {
1073 uid_t uid;
1074
1075 if (isempty(argv[i]))
1076 uid = getuid();
1077 else {
1078 const char *u = argv[i];
1079
1080 r = get_user_creds(&u, &uid, NULL, NULL, NULL, 0);
1081 if (r < 0)
1082 return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
1083 }
1084
1085 r = bus_call_method(bus, bus_login_mgr, "TerminateUser", &error, NULL, "u", (uint32_t) uid);
1086 if (r < 0)
1087 return log_error_errno(r, "Could not terminate user: %s", bus_error_message(&error, r));
1088 }
1089
1090 return 0;
1091 }
1092
1093 static int kill_user(int argc, char *argv[], void *userdata) {
1094 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1095 sd_bus *bus = userdata;
1096 int r;
1097
1098 assert(bus);
1099 assert(argv);
1100
1101 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
1102
1103 if (!arg_kill_who)
1104 arg_kill_who = "all";
1105
1106 for (int i = 1; i < argc; i++) {
1107 uid_t uid;
1108
1109 if (isempty(argv[i]))
1110 uid = getuid();
1111 else {
1112 const char *u = argv[i];
1113
1114 r = get_user_creds(&u, &uid, NULL, NULL, NULL, 0);
1115 if (r < 0)
1116 return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
1117 }
1118
1119 r = bus_call_method(
1120 bus,
1121 bus_login_mgr,
1122 "KillUser",
1123 &error, NULL,
1124 "ui", (uint32_t) uid, arg_signal);
1125 if (r < 0)
1126 return log_error_errno(r, "Could not kill user: %s", bus_error_message(&error, r));
1127 }
1128
1129 return 0;
1130 }
1131
1132 static int attach(int argc, char *argv[], void *userdata) {
1133 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1134 sd_bus *bus = userdata;
1135 int r;
1136
1137 assert(bus);
1138 assert(argv);
1139
1140 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
1141
1142 for (int i = 2; i < argc; i++) {
1143
1144 r = bus_call_method(
1145 bus,
1146 bus_login_mgr,
1147 "AttachDevice",
1148 &error, NULL,
1149 "ssb", argv[1], argv[i], true);
1150 if (r < 0)
1151 return log_error_errno(r, "Could not attach device: %s", bus_error_message(&error, r));
1152 }
1153
1154 return 0;
1155 }
1156
1157 static int flush_devices(int argc, char *argv[], void *userdata) {
1158 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1159 sd_bus *bus = userdata;
1160 int r;
1161
1162 assert(bus);
1163 assert(argv);
1164
1165 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
1166
1167 r = bus_call_method(bus, bus_login_mgr, "FlushDevices", &error, NULL, "b", true);
1168 if (r < 0)
1169 return log_error_errno(r, "Could not flush devices: %s", bus_error_message(&error, r));
1170
1171 return 0;
1172 }
1173
1174 static int lock_sessions(int argc, char *argv[], void *userdata) {
1175 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1176 sd_bus *bus = userdata;
1177 int r;
1178
1179 assert(bus);
1180 assert(argv);
1181
1182 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
1183
1184 r = bus_call_method(
1185 bus,
1186 bus_login_mgr,
1187 streq(argv[0], "lock-sessions") ? "LockSessions" : "UnlockSessions",
1188 &error, NULL,
1189 NULL);
1190 if (r < 0)
1191 return log_error_errno(r, "Could not lock sessions: %s", bus_error_message(&error, r));
1192
1193 return 0;
1194 }
1195
1196 static int terminate_seat(int argc, char *argv[], void *userdata) {
1197 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1198 sd_bus *bus = userdata;
1199 int r;
1200
1201 assert(bus);
1202 assert(argv);
1203
1204 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
1205
1206 for (int i = 1; i < argc; i++) {
1207
1208 r = bus_call_method(bus, bus_login_mgr, "TerminateSeat", &error, NULL, "s", argv[i]);
1209 if (r < 0)
1210 return log_error_errno(r, "Could not terminate seat: %s", bus_error_message(&error, r));
1211 }
1212
1213 return 0;
1214 }
1215
1216 static int help(int argc, char *argv[], void *userdata) {
1217 _cleanup_free_ char *link = NULL;
1218 int r;
1219
1220 pager_open(arg_pager_flags);
1221
1222 r = terminal_urlify_man("loginctl", "1", &link);
1223 if (r < 0)
1224 return log_oom();
1225
1226 printf("%s [OPTIONS...] COMMAND ...\n\n"
1227 "%sSend control commands to or query the login manager.%s\n"
1228 "\nSession Commands:\n"
1229 " list-sessions List sessions\n"
1230 " session-status [ID...] Show session status\n"
1231 " show-session [ID...] Show properties of sessions or the manager\n"
1232 " activate [ID] Activate a session\n"
1233 " lock-session [ID...] Screen lock one or more sessions\n"
1234 " unlock-session [ID...] Screen unlock one or more sessions\n"
1235 " lock-sessions Screen lock all current sessions\n"
1236 " unlock-sessions Screen unlock all current sessions\n"
1237 " terminate-session ID... Terminate one or more sessions\n"
1238 " kill-session ID... Send signal to processes of a session\n"
1239 "\nUser Commands:\n"
1240 " list-users List users\n"
1241 " user-status [USER...] Show user status\n"
1242 " show-user [USER...] Show properties of users or the manager\n"
1243 " enable-linger [USER...] Enable linger state of one or more users\n"
1244 " disable-linger [USER...] Disable linger state of one or more users\n"
1245 " terminate-user USER... Terminate all sessions of one or more users\n"
1246 " kill-user USER... Send signal to processes of a user\n"
1247 "\nSeat Commands:\n"
1248 " list-seats List seats\n"
1249 " seat-status [NAME...] Show seat status\n"
1250 " show-seat [NAME...] Show properties of seats or the manager\n"
1251 " attach NAME DEVICE... Attach one or more devices to a seat\n"
1252 " flush-devices Flush all device associations\n"
1253 " terminate-seat NAME... Terminate all sessions on one or more seats\n"
1254 "\nOptions:\n"
1255 " -h --help Show this help\n"
1256 " --version Show package version\n"
1257 " --no-pager Do not pipe output into a pager\n"
1258 " --no-legend Do not show the headers and footers\n"
1259 " --no-ask-password Don't prompt for password\n"
1260 " -H --host=[USER@]HOST Operate on remote host\n"
1261 " -M --machine=CONTAINER Operate on local container\n"
1262 " -p --property=NAME Show only properties by this name\n"
1263 " -P NAME Equivalent to --value --property=NAME\n"
1264 " -a --all Show all properties, including empty ones\n"
1265 " --value When showing properties, only print the value\n"
1266 " -l --full Do not ellipsize output\n"
1267 " --kill-who=WHO Who to send signal to\n"
1268 " -s --signal=SIGNAL Which signal to send\n"
1269 " -n --lines=INTEGER Number of journal entries to show\n"
1270 " -o --output=STRING Change journal output mode (short, short-precise,\n"
1271 " short-iso, short-iso-precise, short-full,\n"
1272 " short-monotonic, short-unix, verbose, export,\n"
1273 " json, json-pretty, json-sse, json-seq, cat,\n"
1274 " with-unit)\n"
1275 "\nSee the %s for details.\n",
1276 program_invocation_short_name,
1277 ansi_highlight(),
1278 ansi_normal(),
1279 link);
1280
1281 return 0;
1282 }
1283
1284 static int parse_argv(int argc, char *argv[]) {
1285 enum {
1286 ARG_VERSION = 0x100,
1287 ARG_VALUE,
1288 ARG_NO_PAGER,
1289 ARG_NO_LEGEND,
1290 ARG_KILL_WHO,
1291 ARG_NO_ASK_PASSWORD,
1292 };
1293
1294 static const struct option options[] = {
1295 { "help", no_argument, NULL, 'h' },
1296 { "version", no_argument, NULL, ARG_VERSION },
1297 { "property", required_argument, NULL, 'p' },
1298 { "all", no_argument, NULL, 'a' },
1299 { "value", no_argument, NULL, ARG_VALUE },
1300 { "full", no_argument, NULL, 'l' },
1301 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
1302 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
1303 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
1304 { "signal", required_argument, NULL, 's' },
1305 { "host", required_argument, NULL, 'H' },
1306 { "machine", required_argument, NULL, 'M' },
1307 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
1308 { "lines", required_argument, NULL, 'n' },
1309 { "output", required_argument, NULL, 'o' },
1310 {}
1311 };
1312
1313 int c, r;
1314
1315 assert(argc >= 0);
1316 assert(argv);
1317
1318 while ((c = getopt_long(argc, argv, "hp:P:als:H:M:n:o:", options, NULL)) >= 0)
1319
1320 switch (c) {
1321
1322 case 'h':
1323 return help(0, NULL, NULL);
1324
1325 case ARG_VERSION:
1326 return version();
1327
1328 case 'P':
1329 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true);
1330 _fallthrough_;
1331
1332 case 'p': {
1333 r = strv_extend(&arg_property, optarg);
1334 if (r < 0)
1335 return log_oom();
1336
1337 /* If the user asked for a particular
1338 * property, show it to them, even if it is
1339 * empty. */
1340 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
1341 break;
1342 }
1343
1344 case 'a':
1345 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
1346 break;
1347
1348 case ARG_VALUE:
1349 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true);
1350 break;
1351
1352 case 'l':
1353 arg_full = true;
1354 break;
1355
1356 case 'n':
1357 if (safe_atou(optarg, &arg_lines) < 0)
1358 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1359 "Failed to parse lines '%s'", optarg);
1360 break;
1361
1362 case 'o':
1363 if (streq(optarg, "help")) {
1364 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
1365 return 0;
1366 }
1367
1368 arg_output = output_mode_from_string(optarg);
1369 if (arg_output < 0)
1370 return log_error_errno(arg_output, "Unknown output '%s'.", optarg);
1371
1372 if (OUTPUT_MODE_IS_JSON(arg_output))
1373 arg_legend = false;
1374
1375 break;
1376
1377 case ARG_NO_PAGER:
1378 arg_pager_flags |= PAGER_DISABLE;
1379 break;
1380
1381 case ARG_NO_LEGEND:
1382 arg_legend = false;
1383 break;
1384
1385 case ARG_NO_ASK_PASSWORD:
1386 arg_ask_password = false;
1387 break;
1388
1389 case ARG_KILL_WHO:
1390 arg_kill_who = optarg;
1391 break;
1392
1393 case 's':
1394 r = parse_signal_argument(optarg, &arg_signal);
1395 if (r <= 0)
1396 return r;
1397 break;
1398
1399 case 'H':
1400 arg_transport = BUS_TRANSPORT_REMOTE;
1401 arg_host = optarg;
1402 break;
1403
1404 case 'M':
1405 arg_transport = BUS_TRANSPORT_MACHINE;
1406 arg_host = optarg;
1407 break;
1408
1409 case '?':
1410 return -EINVAL;
1411
1412 default:
1413 assert_not_reached();
1414 }
1415
1416 return 1;
1417 }
1418
1419 static int loginctl_main(int argc, char *argv[], sd_bus *bus) {
1420 static const Verb verbs[] = {
1421 { "help", VERB_ANY, VERB_ANY, 0, help },
1422 { "list-sessions", VERB_ANY, 1, VERB_DEFAULT, list_sessions },
1423 { "session-status", VERB_ANY, VERB_ANY, 0, show_session },
1424 { "show-session", VERB_ANY, VERB_ANY, 0, show_session },
1425 { "activate", VERB_ANY, 2, 0, activate },
1426 { "lock-session", VERB_ANY, VERB_ANY, 0, activate },
1427 { "unlock-session", VERB_ANY, VERB_ANY, 0, activate },
1428 { "lock-sessions", VERB_ANY, 1, 0, lock_sessions },
1429 { "unlock-sessions", VERB_ANY, 1, 0, lock_sessions },
1430 { "terminate-session", 2, VERB_ANY, 0, activate },
1431 { "kill-session", 2, VERB_ANY, 0, kill_session },
1432 { "list-users", VERB_ANY, 1, 0, list_users },
1433 { "user-status", VERB_ANY, VERB_ANY, 0, show_user },
1434 { "show-user", VERB_ANY, VERB_ANY, 0, show_user },
1435 { "enable-linger", VERB_ANY, VERB_ANY, 0, enable_linger },
1436 { "disable-linger", VERB_ANY, VERB_ANY, 0, enable_linger },
1437 { "terminate-user", 2, VERB_ANY, 0, terminate_user },
1438 { "kill-user", 2, VERB_ANY, 0, kill_user },
1439 { "list-seats", VERB_ANY, 1, 0, list_seats },
1440 { "seat-status", VERB_ANY, VERB_ANY, 0, show_seat },
1441 { "show-seat", VERB_ANY, VERB_ANY, 0, show_seat },
1442 { "attach", 3, VERB_ANY, 0, attach },
1443 { "flush-devices", VERB_ANY, 1, 0, flush_devices },
1444 { "terminate-seat", 2, VERB_ANY, 0, terminate_seat },
1445 {}
1446 };
1447
1448 return dispatch_verb(argc, argv, verbs, bus);
1449 }
1450
1451 static int run(int argc, char *argv[]) {
1452 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1453 int r;
1454
1455 setlocale(LC_ALL, "");
1456 log_setup();
1457
1458 /* The journal merging logic potentially needs a lot of fds. */
1459 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
1460
1461 sigbus_install();
1462
1463 r = parse_argv(argc, argv);
1464 if (r <= 0)
1465 return r;
1466
1467 r = bus_connect_transport(arg_transport, arg_host, false, &bus);
1468 if (r < 0)
1469 return bus_log_connect_error(r, arg_transport);
1470
1471 (void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
1472
1473 return loginctl_main(argc, argv, bus);
1474 }
1475
1476 DEFINE_MAIN_FUNCTION(run);
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