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tree-wide: drop 'This file is part of systemd' blurb
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 /***
3 Copyright 2010 Lennart Poettering
4 Copyright 2013 Marc-Antoine Perennou
5 ***/
6
7 #include <errno.h>
8 #include <fcntl.h>
9 #include <getopt.h>
10 #include <locale.h>
11 #include <stdbool.h>
12 #include <stddef.h>
13 #include <stdio.h>
14 #include <string.h>
15 #include <sys/prctl.h>
16 #include <sys/reboot.h>
17 #include <sys/socket.h>
18 #include <unistd.h>
19
20 #include "sd-bus.h"
21 #include "sd-daemon.h"
22 #include "sd-login.h"
23
24 #include "alloc-util.h"
25 #include "bootspec.h"
26 #include "bus-common-errors.h"
27 #include "bus-error.h"
28 #include "bus-message.h"
29 #include "bus-unit-util.h"
30 #include "bus-util.h"
31 #include "cgroup-show.h"
32 #include "cgroup-util.h"
33 #include "copy.h"
34 #include "dropin.h"
35 #include "efivars.h"
36 #include "env-util.h"
37 #include "escape.h"
38 #include "exit-status.h"
39 #include "fd-util.h"
40 #include "fileio.h"
41 #include "format-util.h"
42 #include "fs-util.h"
43 #include "glob-util.h"
44 #include "hexdecoct.h"
45 #include "hostname-util.h"
46 #include "initreq.h"
47 #include "install.h"
48 #include "io-util.h"
49 #include "list.h"
50 #include "locale-util.h"
51 #include "log.h"
52 #include "logs-show.h"
53 #include "macro.h"
54 #include "mkdir.h"
55 #include "pager.h"
56 #include "parse-util.h"
57 #include "path-lookup.h"
58 #include "path-util.h"
59 #include "process-util.h"
60 #include "reboot-util.h"
61 #include "rlimit-util.h"
62 #include "set.h"
63 #include "sigbus.h"
64 #include "signal-util.h"
65 #include "socket-util.h"
66 #include "spawn-ask-password-agent.h"
67 #include "spawn-polkit-agent.h"
68 #include "special.h"
69 #include "stat-util.h"
70 #include "string-table.h"
71 #include "strv.h"
72 #include "terminal-util.h"
73 #include "unit-def.h"
74 #include "unit-name.h"
75 #include "user-util.h"
76 #include "util.h"
77 #include "utmp-wtmp.h"
78 #include "verbs.h"
79 #include "virt.h"
80
81 /* The init script exit status codes
82 0 program is running or service is OK
83 1 program is dead and /var/run pid file exists
84 2 program is dead and /var/lock lock file exists
85 3 program is not running
86 4 program or service status is unknown
87 5-99 reserved for future LSB use
88 100-149 reserved for distribution use
89 150-199 reserved for application use
90 200-254 reserved
91 */
92 enum {
93 EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0,
94 EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1,
95 EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2,
96 EXIT_PROGRAM_NOT_RUNNING = 3,
97 EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4,
98 };
99
100 static char **arg_types = NULL;
101 static char **arg_states = NULL;
102 static char **arg_properties = NULL;
103 static bool arg_all = false;
104 static enum dependency {
105 DEPENDENCY_FORWARD,
106 DEPENDENCY_REVERSE,
107 DEPENDENCY_AFTER,
108 DEPENDENCY_BEFORE,
109 _DEPENDENCY_MAX
110 } arg_dependency = DEPENDENCY_FORWARD;
111 static const char *arg_job_mode = "replace";
112 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
113 static bool arg_wait = false;
114 static bool arg_no_block = false;
115 static bool arg_no_legend = false;
116 static bool arg_no_pager = false;
117 static bool arg_no_wtmp = false;
118 static bool arg_no_sync = false;
119 static bool arg_no_wall = false;
120 static bool arg_no_reload = false;
121 static bool arg_value = false;
122 static bool arg_show_types = false;
123 static bool arg_ignore_inhibitors = false;
124 static bool arg_dry_run = false;
125 static bool arg_quiet = false;
126 static bool arg_full = false;
127 static bool arg_recursive = false;
128 static int arg_force = 0;
129 static bool arg_ask_password = false;
130 static bool arg_runtime = false;
131 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
132 static char **arg_wall = NULL;
133 static const char *arg_kill_who = NULL;
134 static int arg_signal = SIGTERM;
135 static char *arg_root = NULL;
136 static usec_t arg_when = 0;
137 static char *arg_esp_path = NULL;
138 static char *argv_cmdline = NULL;
139 static enum action {
140 ACTION_SYSTEMCTL,
141 ACTION_HALT,
142 ACTION_POWEROFF,
143 ACTION_REBOOT,
144 ACTION_KEXEC,
145 ACTION_EXIT,
146 ACTION_SUSPEND,
147 ACTION_HIBERNATE,
148 ACTION_HYBRID_SLEEP,
149 ACTION_SUSPEND_THEN_HIBERNATE,
150 ACTION_RUNLEVEL2,
151 ACTION_RUNLEVEL3,
152 ACTION_RUNLEVEL4,
153 ACTION_RUNLEVEL5,
154 ACTION_RESCUE,
155 ACTION_EMERGENCY,
156 ACTION_DEFAULT,
157 ACTION_RELOAD,
158 ACTION_REEXEC,
159 ACTION_RUNLEVEL,
160 ACTION_CANCEL_SHUTDOWN,
161 _ACTION_MAX,
162 _ACTION_INVALID = -1
163 } arg_action = ACTION_SYSTEMCTL;
164 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
165 static const char *arg_host = NULL;
166 static unsigned arg_lines = 10;
167 static OutputMode arg_output = OUTPUT_SHORT;
168 static bool arg_plain = false;
169 static bool arg_firmware_setup = false;
170 static bool arg_now = false;
171 static bool arg_jobs_before = false;
172 static bool arg_jobs_after = false;
173
174 static int daemon_reload(int argc, char *argv[], void* userdata);
175 static int trivial_method(int argc, char *argv[], void *userdata);
176 static int halt_now(enum action a);
177 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
178
179 static bool original_stdout_is_tty;
180
181 typedef enum BusFocus {
182 BUS_FULL, /* The full bus indicated via --system or --user */
183 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
184 _BUS_FOCUS_MAX
185 } BusFocus;
186
187 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
188
189 static UnitFileFlags args_to_flags(void) {
190 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
191 (arg_force ? UNIT_FILE_FORCE : 0);
192 }
193
194 static int acquire_bus(BusFocus focus, sd_bus **ret) {
195 int r;
196
197 assert(focus < _BUS_FOCUS_MAX);
198 assert(ret);
199
200 /* We only go directly to the manager, if we are using a local transport */
201 if (arg_transport != BUS_TRANSPORT_LOCAL)
202 focus = BUS_FULL;
203
204 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
205 focus = BUS_FULL;
206
207 if (!busses[focus]) {
208 bool user;
209
210 user = arg_scope != UNIT_FILE_SYSTEM;
211
212 if (focus == BUS_MANAGER)
213 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
214 else
215 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
216 if (r < 0)
217 return log_error_errno(r, "Failed to connect to bus: %m");
218
219 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
220 }
221
222 *ret = busses[focus];
223 return 0;
224 }
225
226 static void release_busses(void) {
227 BusFocus w;
228
229 for (w = 0; w < _BUS_FOCUS_MAX; w++)
230 busses[w] = sd_bus_flush_close_unref(busses[w]);
231 }
232
233 static void ask_password_agent_open_if_enabled(void) {
234 /* Open the password agent as a child process if necessary */
235
236 if (arg_dry_run)
237 return;
238
239 if (!arg_ask_password)
240 return;
241
242 if (arg_scope != UNIT_FILE_SYSTEM)
243 return;
244
245 if (arg_transport != BUS_TRANSPORT_LOCAL)
246 return;
247
248 ask_password_agent_open();
249 }
250
251 static void polkit_agent_open_maybe(void) {
252 /* Open the polkit agent as a child process if necessary */
253
254 if (arg_scope != UNIT_FILE_SYSTEM)
255 return;
256
257 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
258 }
259
260 static OutputFlags get_output_flags(void) {
261 return
262 arg_all * OUTPUT_SHOW_ALL |
263 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
264 colors_enabled() * OUTPUT_COLOR |
265 !arg_quiet * OUTPUT_WARN_CUTOFF;
266 }
267
268 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
269 assert(error);
270
271 if (!sd_bus_error_is_set(error))
272 return r;
273
274 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
275 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
276 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
277 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
278 return EXIT_NOPERMISSION;
279
280 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
281 return EXIT_NOTINSTALLED;
282
283 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
284 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
285 return EXIT_NOTIMPLEMENTED;
286
287 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
288 return EXIT_NOTCONFIGURED;
289
290 if (r != 0)
291 return r;
292
293 return EXIT_FAILURE;
294 }
295
296 static bool install_client_side(void) {
297 /* Decides when to execute enable/disable/... operations
298 * client-side rather than server-side. */
299
300 if (running_in_chroot_or_offline())
301 return true;
302
303 if (sd_booted() <= 0)
304 return true;
305
306 if (!isempty(arg_root))
307 return true;
308
309 if (arg_scope == UNIT_FILE_GLOBAL)
310 return true;
311
312 /* Unsupported environment variable, mostly for debugging purposes */
313 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
314 return true;
315
316 return false;
317 }
318
319 static int compare_unit_info(const void *a, const void *b) {
320 const UnitInfo *u = a, *v = b;
321 const char *d1, *d2;
322 int r;
323
324 /* First, order by machine */
325 if (!u->machine && v->machine)
326 return -1;
327 if (u->machine && !v->machine)
328 return 1;
329 if (u->machine && v->machine) {
330 r = strcasecmp(u->machine, v->machine);
331 if (r != 0)
332 return r;
333 }
334
335 /* Second, order by unit type */
336 d1 = strrchr(u->id, '.');
337 d2 = strrchr(v->id, '.');
338 if (d1 && d2) {
339 r = strcasecmp(d1, d2);
340 if (r != 0)
341 return r;
342 }
343
344 /* Third, order by name */
345 return strcasecmp(u->id, v->id);
346 }
347
348 static const char* unit_type_suffix(const char *name) {
349 const char *dot;
350
351 dot = strrchr(name, '.');
352 if (!dot)
353 return "";
354
355 return dot + 1;
356 }
357
358 static bool output_show_unit(const UnitInfo *u, char **patterns) {
359 assert(u);
360
361 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
362 return false;
363
364 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
365 return false;
366
367 if (arg_all)
368 return true;
369
370 /* Note that '--all' is not purely a state filter, but also a
371 * filter that hides units that "follow" other units (which is
372 * used for device units that appear under different names). */
373 if (!isempty(u->following))
374 return false;
375
376 if (!strv_isempty(arg_states))
377 return true;
378
379 /* By default show all units except the ones in inactive
380 * state and with no pending job */
381 if (u->job_id > 0)
382 return true;
383
384 if (streq(u->active_state, "inactive"))
385 return false;
386
387 return true;
388 }
389
390 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
391 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
392 const UnitInfo *u;
393 unsigned n_shown = 0;
394 int job_count = 0;
395
396 max_id_len = STRLEN("UNIT");
397 load_len = STRLEN("LOAD");
398 active_len = STRLEN("ACTIVE");
399 sub_len = STRLEN("SUB");
400 job_len = STRLEN("JOB");
401 max_desc_len = STRLEN("DESCRIPTION");
402
403 for (u = unit_infos; u < unit_infos + c; u++) {
404 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
405 load_len = MAX(load_len, strlen(u->load_state));
406 active_len = MAX(active_len, strlen(u->active_state));
407 sub_len = MAX(sub_len, strlen(u->sub_state));
408 max_desc_len = MAX(max_desc_len, strlen(u->description));
409
410 if (u->job_id != 0) {
411 job_len = MAX(job_len, strlen(u->job_type));
412 job_count++;
413 }
414
415 if (!arg_no_legend &&
416 (streq(u->active_state, "failed") ||
417 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
418 circle_len = 2;
419 }
420
421 if (!arg_full && original_stdout_is_tty) {
422 unsigned basic_len;
423
424 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
425 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
426
427 if (job_count)
428 basic_len += job_len + 1;
429
430 if (basic_len < (unsigned) columns()) {
431 unsigned extra_len, incr;
432 extra_len = columns() - basic_len;
433
434 /* Either UNIT already got 25, or is fully satisfied.
435 * Grant up to 25 to DESC now. */
436 incr = MIN(extra_len, 25u);
437 desc_len = incr;
438 extra_len -= incr;
439
440 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
441 * description but not more than it needs. */
442 if (extra_len > 0) {
443 incr = MIN(max_id_len - id_len, extra_len);
444 id_len += incr;
445 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
446 }
447 } else
448 desc_len = 0;
449 } else {
450 id_len = max_id_len;
451 desc_len = max_desc_len;
452 }
453
454 for (u = unit_infos; u < unit_infos + c; u++) {
455 _cleanup_free_ char *e = NULL, *j = NULL;
456 const char *on_underline = "", *off_underline = "";
457 const char *on_loaded = "", *off_loaded = "";
458 const char *on_active = "", *off_active = "";
459 const char *on_circle = "", *off_circle = "";
460 const char *id;
461 bool circle = false, underline = false;
462
463 if (!n_shown && !arg_no_legend) {
464
465 if (circle_len > 0)
466 fputs(" ", stdout);
467
468 printf("%s%-*s %-*s %-*s %-*s ",
469 ansi_underline(),
470 id_len, "UNIT",
471 load_len, "LOAD",
472 active_len, "ACTIVE",
473 sub_len, "SUB");
474
475 if (job_count)
476 printf("%-*s ", job_len, "JOB");
477
478 printf("%-*.*s%s\n",
479 desc_len,
480 !arg_full && arg_no_pager ? (int) desc_len : -1,
481 "DESCRIPTION",
482 ansi_normal());
483 }
484
485 n_shown++;
486
487 if (u + 1 < unit_infos + c &&
488 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
489 on_underline = ansi_underline();
490 off_underline = ansi_normal();
491 underline = true;
492 }
493
494 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
495 on_circle = ansi_highlight_yellow();
496 off_circle = ansi_normal();
497 circle = true;
498 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
499 off_loaded = underline ? on_underline : ansi_normal();
500 } else if (streq(u->active_state, "failed") && !arg_plain) {
501 on_circle = ansi_highlight_red();
502 off_circle = ansi_normal();
503 circle = true;
504 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
505 off_active = underline ? on_underline : ansi_normal();
506 }
507
508 if (u->machine) {
509 j = strjoin(u->machine, ":", u->id);
510 if (!j)
511 return log_oom();
512
513 id = j;
514 } else
515 id = u->id;
516
517 if (arg_full) {
518 e = ellipsize(id, id_len, 33);
519 if (!e)
520 return log_oom();
521
522 id = e;
523 }
524
525 if (circle_len > 0)
526 printf("%s%s%s ", on_circle, circle ? special_glyph(BLACK_CIRCLE) : " ", off_circle);
527
528 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
529 on_underline,
530 on_active, id_len, id, off_active,
531 on_loaded, load_len, u->load_state, off_loaded,
532 on_active, active_len, u->active_state,
533 sub_len, u->sub_state, off_active,
534 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
535
536 printf("%-*.*s%s\n",
537 desc_len,
538 !arg_full && arg_no_pager ? (int) desc_len : -1,
539 u->description,
540 off_underline);
541 }
542
543 if (!arg_no_legend) {
544 const char *on, *off;
545
546 if (n_shown) {
547 puts("\n"
548 "LOAD = Reflects whether the unit definition was properly loaded.\n"
549 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
550 "SUB = The low-level unit activation state, values depend on unit type.");
551 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
552 on = ansi_highlight();
553 off = ansi_normal();
554 } else {
555 on = ansi_highlight_red();
556 off = ansi_normal();
557 }
558
559 if (arg_all)
560 printf("%s%u loaded units listed.%s\n"
561 "To show all installed unit files use 'systemctl list-unit-files'.\n",
562 on, n_shown, off);
563 else
564 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
565 "To show all installed unit files use 'systemctl list-unit-files'.\n",
566 on, n_shown, off);
567 }
568
569 return 0;
570 }
571
572 static int get_unit_list(
573 sd_bus *bus,
574 const char *machine,
575 char **patterns,
576 UnitInfo **unit_infos,
577 int c,
578 sd_bus_message **_reply) {
579
580 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
581 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
582 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
583 size_t size = c;
584 int r;
585 UnitInfo u;
586 bool fallback = false;
587
588 assert(bus);
589 assert(unit_infos);
590 assert(_reply);
591
592 r = sd_bus_message_new_method_call(
593 bus,
594 &m,
595 "org.freedesktop.systemd1",
596 "/org/freedesktop/systemd1",
597 "org.freedesktop.systemd1.Manager",
598 "ListUnitsByPatterns");
599 if (r < 0)
600 return bus_log_create_error(r);
601
602 r = sd_bus_message_append_strv(m, arg_states);
603 if (r < 0)
604 return bus_log_create_error(r);
605
606 r = sd_bus_message_append_strv(m, patterns);
607 if (r < 0)
608 return bus_log_create_error(r);
609
610 r = sd_bus_call(bus, m, 0, &error, &reply);
611 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
612 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
613 /* Fallback to legacy ListUnitsFiltered method */
614 fallback = true;
615 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
616 m = sd_bus_message_unref(m);
617 sd_bus_error_free(&error);
618
619 r = sd_bus_message_new_method_call(
620 bus,
621 &m,
622 "org.freedesktop.systemd1",
623 "/org/freedesktop/systemd1",
624 "org.freedesktop.systemd1.Manager",
625 "ListUnitsFiltered");
626 if (r < 0)
627 return bus_log_create_error(r);
628
629 r = sd_bus_message_append_strv(m, arg_states);
630 if (r < 0)
631 return bus_log_create_error(r);
632
633 r = sd_bus_call(bus, m, 0, &error, &reply);
634 }
635 if (r < 0)
636 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
637
638 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
639 if (r < 0)
640 return bus_log_parse_error(r);
641
642 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
643 u.machine = machine;
644
645 if (!output_show_unit(&u, fallback ? patterns : NULL))
646 continue;
647
648 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
649 return log_oom();
650
651 (*unit_infos)[c++] = u;
652 }
653 if (r < 0)
654 return bus_log_parse_error(r);
655
656 r = sd_bus_message_exit_container(reply);
657 if (r < 0)
658 return bus_log_parse_error(r);
659
660 *_reply = TAKE_PTR(reply);
661
662 return c;
663 }
664
665 static void message_set_freep(Set **set) {
666 set_free_with_destructor(*set, sd_bus_message_unref);
667 }
668
669 static int get_unit_list_recursive(
670 sd_bus *bus,
671 char **patterns,
672 UnitInfo **_unit_infos,
673 Set **_replies,
674 char ***_machines) {
675
676 _cleanup_free_ UnitInfo *unit_infos = NULL;
677 _cleanup_(message_set_freep) Set *replies;
678 sd_bus_message *reply;
679 int c, r;
680
681 assert(bus);
682 assert(_replies);
683 assert(_unit_infos);
684 assert(_machines);
685
686 replies = set_new(NULL);
687 if (!replies)
688 return log_oom();
689
690 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
691 if (c < 0)
692 return c;
693
694 r = set_put(replies, reply);
695 if (r < 0) {
696 sd_bus_message_unref(reply);
697 return log_oom();
698 }
699
700 if (arg_recursive) {
701 _cleanup_strv_free_ char **machines = NULL;
702 char **i;
703
704 r = sd_get_machine_names(&machines);
705 if (r < 0)
706 return log_error_errno(r, "Failed to get machine names: %m");
707
708 STRV_FOREACH(i, machines) {
709 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
710 int k;
711
712 r = sd_bus_open_system_machine(&container, *i);
713 if (r < 0) {
714 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
715 continue;
716 }
717
718 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
719 if (k < 0)
720 return k;
721
722 c = k;
723
724 r = set_put(replies, reply);
725 if (r < 0) {
726 sd_bus_message_unref(reply);
727 return log_oom();
728 }
729 }
730
731 *_machines = TAKE_PTR(machines);
732 } else
733 *_machines = NULL;
734
735 *_unit_infos = TAKE_PTR(unit_infos);
736
737 *_replies = TAKE_PTR(replies);
738
739 return c;
740 }
741
742 static int list_units(int argc, char *argv[], void *userdata) {
743 _cleanup_free_ UnitInfo *unit_infos = NULL;
744 _cleanup_(message_set_freep) Set *replies = NULL;
745 _cleanup_strv_free_ char **machines = NULL;
746 sd_bus *bus;
747 int r;
748
749 r = acquire_bus(BUS_MANAGER, &bus);
750 if (r < 0)
751 return r;
752
753 (void) pager_open(arg_no_pager, false);
754
755 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
756 if (r < 0)
757 return r;
758
759 qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
760 return output_units_list(unit_infos, r);
761 }
762
763 static int get_triggered_units(
764 sd_bus *bus,
765 const char* path,
766 char*** ret) {
767
768 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
769 int r;
770
771 assert(bus);
772 assert(path);
773 assert(ret);
774
775 r = sd_bus_get_property_strv(
776 bus,
777 "org.freedesktop.systemd1",
778 path,
779 "org.freedesktop.systemd1.Unit",
780 "Triggers",
781 &error,
782 ret);
783 if (r < 0)
784 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
785
786 return 0;
787 }
788
789 static int get_listening(
790 sd_bus *bus,
791 const char* unit_path,
792 char*** listening) {
793
794 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
795 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
796 const char *type, *path;
797 int r, n = 0;
798
799 r = sd_bus_get_property(
800 bus,
801 "org.freedesktop.systemd1",
802 unit_path,
803 "org.freedesktop.systemd1.Socket",
804 "Listen",
805 &error,
806 &reply,
807 "a(ss)");
808 if (r < 0)
809 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
810
811 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
812 if (r < 0)
813 return bus_log_parse_error(r);
814
815 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
816
817 r = strv_extend(listening, type);
818 if (r < 0)
819 return log_oom();
820
821 r = strv_extend(listening, path);
822 if (r < 0)
823 return log_oom();
824
825 n++;
826 }
827 if (r < 0)
828 return bus_log_parse_error(r);
829
830 r = sd_bus_message_exit_container(reply);
831 if (r < 0)
832 return bus_log_parse_error(r);
833
834 return n;
835 }
836
837 struct socket_info {
838 const char *machine;
839 const char* id;
840
841 char* type;
842 char* path;
843
844 /* Note: triggered is a list here, although it almost certainly
845 * will always be one unit. Nevertheless, dbus API allows for multiple
846 * values, so let's follow that. */
847 char** triggered;
848
849 /* The strv above is shared. free is set only in the first one. */
850 bool own_triggered;
851 };
852
853 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
854 int o;
855
856 assert(a);
857 assert(b);
858
859 if (!a->machine && b->machine)
860 return -1;
861 if (a->machine && !b->machine)
862 return 1;
863 if (a->machine && b->machine) {
864 o = strcasecmp(a->machine, b->machine);
865 if (o != 0)
866 return o;
867 }
868
869 o = strcmp(a->path, b->path);
870 if (o == 0)
871 o = strcmp(a->type, b->type);
872
873 return o;
874 }
875
876 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
877 struct socket_info *s;
878 unsigned pathlen = STRLEN("LISTEN"),
879 typelen = STRLEN("TYPE") * arg_show_types,
880 socklen = STRLEN("UNIT"),
881 servlen = STRLEN("ACTIVATES");
882 const char *on, *off;
883
884 for (s = socket_infos; s < socket_infos + cs; s++) {
885 unsigned tmp = 0;
886 char **a;
887
888 socklen = MAX(socklen, strlen(s->id));
889 if (arg_show_types)
890 typelen = MAX(typelen, strlen(s->type));
891 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
892
893 STRV_FOREACH(a, s->triggered)
894 tmp += strlen(*a) + 2*(a != s->triggered);
895 servlen = MAX(servlen, tmp);
896 }
897
898 if (cs) {
899 if (!arg_no_legend)
900 printf("%-*s %-*.*s%-*s %s\n",
901 pathlen, "LISTEN",
902 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
903 socklen, "UNIT",
904 "ACTIVATES");
905
906 for (s = socket_infos; s < socket_infos + cs; s++) {
907 _cleanup_free_ char *j = NULL;
908 const char *path;
909 char **a;
910
911 if (s->machine) {
912 j = strjoin(s->machine, ":", s->path);
913 if (!j)
914 return log_oom();
915 path = j;
916 } else
917 path = s->path;
918
919 if (arg_show_types)
920 printf("%-*s %-*s %-*s",
921 pathlen, path, typelen, s->type, socklen, s->id);
922 else
923 printf("%-*s %-*s",
924 pathlen, path, socklen, s->id);
925 STRV_FOREACH(a, s->triggered)
926 printf("%s %s",
927 a == s->triggered ? "" : ",", *a);
928 printf("\n");
929 }
930
931 on = ansi_highlight();
932 off = ansi_normal();
933 if (!arg_no_legend)
934 printf("\n");
935 } else {
936 on = ansi_highlight_red();
937 off = ansi_normal();
938 }
939
940 if (!arg_no_legend) {
941 printf("%s%u sockets listed.%s\n", on, cs, off);
942 if (!arg_all)
943 printf("Pass --all to see loaded but inactive sockets, too.\n");
944 }
945
946 return 0;
947 }
948
949 static int list_sockets(int argc, char *argv[], void *userdata) {
950 _cleanup_(message_set_freep) Set *replies = NULL;
951 _cleanup_strv_free_ char **machines = NULL;
952 _cleanup_free_ UnitInfo *unit_infos = NULL;
953 _cleanup_free_ struct socket_info *socket_infos = NULL;
954 const UnitInfo *u;
955 struct socket_info *s;
956 unsigned cs = 0;
957 size_t size = 0;
958 int r = 0, n;
959 sd_bus *bus;
960
961 r = acquire_bus(BUS_MANAGER, &bus);
962 if (r < 0)
963 return r;
964
965 (void) pager_open(arg_no_pager, false);
966
967 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
968 if (n < 0)
969 return n;
970
971 for (u = unit_infos; u < unit_infos + n; u++) {
972 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
973 int i, c;
974
975 if (!endswith(u->id, ".socket"))
976 continue;
977
978 r = get_triggered_units(bus, u->unit_path, &triggered);
979 if (r < 0)
980 goto cleanup;
981
982 c = get_listening(bus, u->unit_path, &listening);
983 if (c < 0) {
984 r = c;
985 goto cleanup;
986 }
987
988 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
989 r = log_oom();
990 goto cleanup;
991 }
992
993 for (i = 0; i < c; i++)
994 socket_infos[cs + i] = (struct socket_info) {
995 .machine = u->machine,
996 .id = u->id,
997 .type = listening[i*2],
998 .path = listening[i*2 + 1],
999 .triggered = triggered,
1000 .own_triggered = i==0,
1001 };
1002
1003 /* from this point on we will cleanup those socket_infos */
1004 cs += c;
1005 free(listening);
1006 listening = triggered = NULL; /* avoid cleanup */
1007 }
1008
1009 qsort_safe(socket_infos, cs, sizeof(struct socket_info),
1010 (__compar_fn_t) socket_info_compare);
1011
1012 output_sockets_list(socket_infos, cs);
1013
1014 cleanup:
1015 assert(cs == 0 || socket_infos);
1016 for (s = socket_infos; s < socket_infos + cs; s++) {
1017 free(s->type);
1018 free(s->path);
1019 if (s->own_triggered)
1020 strv_free(s->triggered);
1021 }
1022
1023 return r;
1024 }
1025
1026 static int get_next_elapse(
1027 sd_bus *bus,
1028 const char *path,
1029 dual_timestamp *next) {
1030
1031 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1032 dual_timestamp t;
1033 int r;
1034
1035 assert(bus);
1036 assert(path);
1037 assert(next);
1038
1039 r = sd_bus_get_property_trivial(
1040 bus,
1041 "org.freedesktop.systemd1",
1042 path,
1043 "org.freedesktop.systemd1.Timer",
1044 "NextElapseUSecMonotonic",
1045 &error,
1046 't',
1047 &t.monotonic);
1048 if (r < 0)
1049 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1050
1051 r = sd_bus_get_property_trivial(
1052 bus,
1053 "org.freedesktop.systemd1",
1054 path,
1055 "org.freedesktop.systemd1.Timer",
1056 "NextElapseUSecRealtime",
1057 &error,
1058 't',
1059 &t.realtime);
1060 if (r < 0)
1061 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1062
1063 *next = t;
1064 return 0;
1065 }
1066
1067 static int get_last_trigger(
1068 sd_bus *bus,
1069 const char *path,
1070 usec_t *last) {
1071
1072 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1073 int r;
1074
1075 assert(bus);
1076 assert(path);
1077 assert(last);
1078
1079 r = sd_bus_get_property_trivial(
1080 bus,
1081 "org.freedesktop.systemd1",
1082 path,
1083 "org.freedesktop.systemd1.Timer",
1084 "LastTriggerUSec",
1085 &error,
1086 't',
1087 last);
1088 if (r < 0)
1089 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1090
1091 return 0;
1092 }
1093
1094 struct timer_info {
1095 const char* machine;
1096 const char* id;
1097 usec_t next_elapse;
1098 usec_t last_trigger;
1099 char** triggered;
1100 };
1101
1102 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1103 int o;
1104
1105 assert(a);
1106 assert(b);
1107
1108 if (!a->machine && b->machine)
1109 return -1;
1110 if (a->machine && !b->machine)
1111 return 1;
1112 if (a->machine && b->machine) {
1113 o = strcasecmp(a->machine, b->machine);
1114 if (o != 0)
1115 return o;
1116 }
1117
1118 if (a->next_elapse < b->next_elapse)
1119 return -1;
1120 if (a->next_elapse > b->next_elapse)
1121 return 1;
1122
1123 return strcmp(a->id, b->id);
1124 }
1125
1126 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1127 struct timer_info *t;
1128 unsigned
1129 nextlen = STRLEN("NEXT"),
1130 leftlen = STRLEN("LEFT"),
1131 lastlen = STRLEN("LAST"),
1132 passedlen = STRLEN("PASSED"),
1133 unitlen = STRLEN("UNIT"),
1134 activatelen = STRLEN("ACTIVATES");
1135
1136 const char *on, *off;
1137
1138 assert(timer_infos || n == 0);
1139
1140 for (t = timer_infos; t < timer_infos + n; t++) {
1141 unsigned ul = 0;
1142 char **a;
1143
1144 if (t->next_elapse > 0) {
1145 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1146
1147 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1148 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1149
1150 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1151 leftlen = MAX(leftlen, strlen(trel));
1152 }
1153
1154 if (t->last_trigger > 0) {
1155 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1156
1157 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1158 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1159
1160 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1161 passedlen = MAX(passedlen, strlen(trel));
1162 }
1163
1164 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1165
1166 STRV_FOREACH(a, t->triggered)
1167 ul += strlen(*a) + 2*(a != t->triggered);
1168
1169 activatelen = MAX(activatelen, ul);
1170 }
1171
1172 if (n > 0) {
1173 if (!arg_no_legend)
1174 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1175 nextlen, "NEXT",
1176 leftlen, "LEFT",
1177 lastlen, "LAST",
1178 passedlen, "PASSED",
1179 unitlen, "UNIT",
1180 "ACTIVATES");
1181
1182 for (t = timer_infos; t < timer_infos + n; t++) {
1183 _cleanup_free_ char *j = NULL;
1184 const char *unit;
1185 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1186 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1187 char **a;
1188
1189 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1190 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1191
1192 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1193 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1194
1195 if (t->machine) {
1196 j = strjoin(t->machine, ":", t->id);
1197 if (!j)
1198 return log_oom();
1199 unit = j;
1200 } else
1201 unit = t->id;
1202
1203 printf("%-*s %-*s %-*s %-*s %-*s",
1204 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1205
1206 STRV_FOREACH(a, t->triggered)
1207 printf("%s %s",
1208 a == t->triggered ? "" : ",", *a);
1209 printf("\n");
1210 }
1211
1212 on = ansi_highlight();
1213 off = ansi_normal();
1214 if (!arg_no_legend)
1215 printf("\n");
1216 } else {
1217 on = ansi_highlight_red();
1218 off = ansi_normal();
1219 }
1220
1221 if (!arg_no_legend) {
1222 printf("%s%u timers listed.%s\n", on, n, off);
1223 if (!arg_all)
1224 printf("Pass --all to see loaded but inactive timers, too.\n");
1225 }
1226
1227 return 0;
1228 }
1229
1230 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1231 usec_t next_elapse;
1232
1233 assert(nw);
1234 assert(next);
1235
1236 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1237 usec_t converted;
1238
1239 if (next->monotonic > nw->monotonic)
1240 converted = nw->realtime + (next->monotonic - nw->monotonic);
1241 else
1242 converted = nw->realtime - (nw->monotonic - next->monotonic);
1243
1244 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1245 next_elapse = MIN(converted, next->realtime);
1246 else
1247 next_elapse = converted;
1248
1249 } else
1250 next_elapse = next->realtime;
1251
1252 return next_elapse;
1253 }
1254
1255 static int list_timers(int argc, char *argv[], void *userdata) {
1256 _cleanup_(message_set_freep) Set *replies = NULL;
1257 _cleanup_strv_free_ char **machines = NULL;
1258 _cleanup_free_ struct timer_info *timer_infos = NULL;
1259 _cleanup_free_ UnitInfo *unit_infos = NULL;
1260 struct timer_info *t;
1261 const UnitInfo *u;
1262 size_t size = 0;
1263 int n, c = 0;
1264 dual_timestamp nw;
1265 sd_bus *bus;
1266 int r = 0;
1267
1268 r = acquire_bus(BUS_MANAGER, &bus);
1269 if (r < 0)
1270 return r;
1271
1272 (void) pager_open(arg_no_pager, false);
1273
1274 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1275 if (n < 0)
1276 return n;
1277
1278 dual_timestamp_get(&nw);
1279
1280 for (u = unit_infos; u < unit_infos + n; u++) {
1281 _cleanup_strv_free_ char **triggered = NULL;
1282 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1283 usec_t m, last = 0;
1284
1285 if (!endswith(u->id, ".timer"))
1286 continue;
1287
1288 r = get_triggered_units(bus, u->unit_path, &triggered);
1289 if (r < 0)
1290 goto cleanup;
1291
1292 r = get_next_elapse(bus, u->unit_path, &next);
1293 if (r < 0)
1294 goto cleanup;
1295
1296 get_last_trigger(bus, u->unit_path, &last);
1297
1298 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1299 r = log_oom();
1300 goto cleanup;
1301 }
1302
1303 m = calc_next_elapse(&nw, &next);
1304
1305 timer_infos[c++] = (struct timer_info) {
1306 .machine = u->machine,
1307 .id = u->id,
1308 .next_elapse = m,
1309 .last_trigger = last,
1310 .triggered = TAKE_PTR(triggered),
1311 };
1312 }
1313
1314 qsort_safe(timer_infos, c, sizeof(struct timer_info),
1315 (__compar_fn_t) timer_info_compare);
1316
1317 output_timers_list(timer_infos, c);
1318
1319 cleanup:
1320 for (t = timer_infos; t < timer_infos + c; t++)
1321 strv_free(t->triggered);
1322
1323 return r;
1324 }
1325
1326 static int compare_unit_file_list(const void *a, const void *b) {
1327 const char *d1, *d2;
1328 const UnitFileList *u = a, *v = b;
1329
1330 d1 = strrchr(u->path, '.');
1331 d2 = strrchr(v->path, '.');
1332
1333 if (d1 && d2) {
1334 int r;
1335
1336 r = strcasecmp(d1, d2);
1337 if (r != 0)
1338 return r;
1339 }
1340
1341 return strcasecmp(basename(u->path), basename(v->path));
1342 }
1343
1344 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1345 assert(u);
1346
1347 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1348 return false;
1349
1350 if (!strv_isempty(arg_types)) {
1351 const char *dot;
1352
1353 dot = strrchr(u->path, '.');
1354 if (!dot)
1355 return false;
1356
1357 if (!strv_find(arg_types, dot+1))
1358 return false;
1359 }
1360
1361 if (!strv_isempty(states) &&
1362 !strv_find(states, unit_file_state_to_string(u->state)))
1363 return false;
1364
1365 return true;
1366 }
1367
1368 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1369 unsigned max_id_len, id_cols, state_cols;
1370 const UnitFileList *u;
1371
1372 max_id_len = STRLEN("UNIT FILE");
1373 state_cols = STRLEN("STATE");
1374
1375 for (u = units; u < units + c; u++) {
1376 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1377 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1378 }
1379
1380 if (!arg_full) {
1381 unsigned basic_cols;
1382
1383 id_cols = MIN(max_id_len, 25u);
1384 basic_cols = 1 + id_cols + state_cols;
1385 if (basic_cols < (unsigned) columns())
1386 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1387 } else
1388 id_cols = max_id_len;
1389
1390 if (!arg_no_legend && c > 0)
1391 printf("%s%-*s %-*s%s\n",
1392 ansi_underline(),
1393 id_cols, "UNIT FILE",
1394 state_cols, "STATE",
1395 ansi_normal());
1396
1397 for (u = units; u < units + c; u++) {
1398 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1399 _cleanup_free_ char *e = NULL;
1400 bool underline;
1401
1402 underline = u + 1 < units + c &&
1403 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1404
1405 if (underline)
1406 on_underline = ansi_underline();
1407
1408 if (IN_SET(u->state,
1409 UNIT_FILE_MASKED,
1410 UNIT_FILE_MASKED_RUNTIME,
1411 UNIT_FILE_DISABLED,
1412 UNIT_FILE_BAD))
1413 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1414 else if (u->state == UNIT_FILE_ENABLED)
1415 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1416
1417 if (on_underline || on_color)
1418 off = ansi_normal();
1419
1420 id = basename(u->path);
1421
1422 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1423
1424 printf("%s%-*s %s%-*s%s\n",
1425 strempty(on_underline),
1426 id_cols, e ? e : id,
1427 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1428 }
1429
1430 if (!arg_no_legend)
1431 printf("\n%u unit files listed.\n", c);
1432 }
1433
1434 static int list_unit_files(int argc, char *argv[], void *userdata) {
1435 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1436 _cleanup_free_ UnitFileList *units = NULL;
1437 UnitFileList *unit;
1438 size_t size = 0;
1439 unsigned c = 0;
1440 const char *state;
1441 char *path;
1442 int r;
1443 bool fallback = false;
1444
1445 if (install_client_side()) {
1446 Hashmap *h;
1447 UnitFileList *u;
1448 Iterator i;
1449 unsigned n_units;
1450
1451 h = hashmap_new(&string_hash_ops);
1452 if (!h)
1453 return log_oom();
1454
1455 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1456 if (r < 0) {
1457 unit_file_list_free(h);
1458 return log_error_errno(r, "Failed to get unit file list: %m");
1459 }
1460
1461 n_units = hashmap_size(h);
1462
1463 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1464 if (!units) {
1465 unit_file_list_free(h);
1466 return log_oom();
1467 }
1468
1469 HASHMAP_FOREACH(u, h, i) {
1470 if (!output_show_unit_file(u, NULL, NULL))
1471 continue;
1472
1473 units[c++] = *u;
1474 free(u);
1475 }
1476
1477 assert(c <= n_units);
1478 hashmap_free(h);
1479
1480 r = 0;
1481 } else {
1482 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1483 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1484 sd_bus *bus;
1485
1486 r = acquire_bus(BUS_MANAGER, &bus);
1487 if (r < 0)
1488 return r;
1489
1490 r = sd_bus_message_new_method_call(
1491 bus,
1492 &m,
1493 "org.freedesktop.systemd1",
1494 "/org/freedesktop/systemd1",
1495 "org.freedesktop.systemd1.Manager",
1496 "ListUnitFilesByPatterns");
1497 if (r < 0)
1498 return bus_log_create_error(r);
1499
1500 r = sd_bus_message_append_strv(m, arg_states);
1501 if (r < 0)
1502 return bus_log_create_error(r);
1503
1504 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1505 if (r < 0)
1506 return bus_log_create_error(r);
1507
1508 r = sd_bus_call(bus, m, 0, &error, &reply);
1509 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1510 /* Fallback to legacy ListUnitFiles method */
1511 fallback = true;
1512 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1513 m = sd_bus_message_unref(m);
1514 sd_bus_error_free(&error);
1515
1516 r = sd_bus_message_new_method_call(
1517 bus,
1518 &m,
1519 "org.freedesktop.systemd1",
1520 "/org/freedesktop/systemd1",
1521 "org.freedesktop.systemd1.Manager",
1522 "ListUnitFiles");
1523 if (r < 0)
1524 return bus_log_create_error(r);
1525
1526 r = sd_bus_call(bus, m, 0, &error, &reply);
1527 }
1528 if (r < 0)
1529 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1530
1531 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1532 if (r < 0)
1533 return bus_log_parse_error(r);
1534
1535 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1536
1537 if (!GREEDY_REALLOC(units, size, c + 1))
1538 return log_oom();
1539
1540 units[c] = (struct UnitFileList) {
1541 path,
1542 unit_file_state_from_string(state)
1543 };
1544
1545 if (output_show_unit_file(&units[c],
1546 fallback ? arg_states : NULL,
1547 fallback ? strv_skip(argv, 1) : NULL))
1548 c++;
1549
1550 }
1551 if (r < 0)
1552 return bus_log_parse_error(r);
1553
1554 r = sd_bus_message_exit_container(reply);
1555 if (r < 0)
1556 return bus_log_parse_error(r);
1557 }
1558
1559 (void) pager_open(arg_no_pager, false);
1560
1561 qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
1562 output_unit_file_list(units, c);
1563
1564 if (install_client_side())
1565 for (unit = units; unit < units + c; unit++)
1566 free(unit->path);
1567
1568 return 0;
1569 }
1570
1571 static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
1572 _cleanup_free_ char *n = NULL;
1573 size_t max_len = MAX(columns(),20u);
1574 size_t len = 0;
1575 int i;
1576
1577 if (!arg_plain) {
1578
1579 for (i = level - 1; i >= 0; i--) {
1580 len += 2;
1581 if (len > max_len - 3 && !arg_full) {
1582 printf("%s...\n",max_len % 2 ? "" : " ");
1583 return 0;
1584 }
1585 printf("%s", special_glyph(branches & (1 << i) ? TREE_VERTICAL : TREE_SPACE));
1586 }
1587 len += 2;
1588
1589 if (len > max_len - 3 && !arg_full) {
1590 printf("%s...\n",max_len % 2 ? "" : " ");
1591 return 0;
1592 }
1593
1594 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
1595 }
1596
1597 if (arg_full) {
1598 printf("%s\n", name);
1599 return 0;
1600 }
1601
1602 n = ellipsize(name, max_len-len, 100);
1603 if (!n)
1604 return log_oom();
1605
1606 printf("%s\n", n);
1607 return 0;
1608 }
1609
1610 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1611 struct DependencyStatusInfo {
1612 char **dep[5];
1613 } info = {};
1614
1615 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1616 [DEPENDENCY_FORWARD] = {
1617 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1618 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1619 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1620 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1621 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1622 {}
1623 },
1624 [DEPENDENCY_REVERSE] = {
1625 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1626 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1627 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1628 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1629 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1630 {}
1631 },
1632 [DEPENDENCY_AFTER] = {
1633 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1634 {}
1635 },
1636 [DEPENDENCY_BEFORE] = {
1637 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1638 {}
1639 },
1640 };
1641
1642 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1643 _cleanup_strv_free_ char **ret = NULL;
1644 _cleanup_free_ char *path = NULL;
1645 int i, r;
1646
1647 assert(bus);
1648 assert(name);
1649 assert(deps);
1650
1651 path = unit_dbus_path_from_name(name);
1652 if (!path)
1653 return log_oom();
1654
1655 r = bus_map_all_properties(bus,
1656 "org.freedesktop.systemd1",
1657 path,
1658 map[arg_dependency],
1659 BUS_MAP_STRDUP,
1660 &error,
1661 NULL,
1662 &info);
1663 if (r < 0)
1664 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1665
1666 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1667 *deps = info.dep[0];
1668 return 0;
1669 }
1670
1671 for (i = 0; i < 5; i++) {
1672 r = strv_extend_strv(&ret, info.dep[i], true);
1673 if (r < 0)
1674 return log_oom();
1675 info.dep[i] = strv_free(info.dep[i]);
1676 }
1677
1678 *deps = TAKE_PTR(ret);
1679
1680 return 0;
1681 }
1682
1683 static int list_dependencies_compare(const void *_a, const void *_b) {
1684 const char **a = (const char**) _a, **b = (const char**) _b;
1685
1686 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1687 return 1;
1688 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1689 return -1;
1690
1691 return strcasecmp(*a, *b);
1692 }
1693
1694 static int list_dependencies_one(
1695 sd_bus *bus,
1696 const char *name,
1697 int level,
1698 char ***units,
1699 unsigned int branches) {
1700
1701 _cleanup_strv_free_ char **deps = NULL;
1702 char **c;
1703 int r = 0;
1704
1705 assert(bus);
1706 assert(name);
1707 assert(units);
1708
1709 r = strv_extend(units, name);
1710 if (r < 0)
1711 return log_oom();
1712
1713 r = list_dependencies_get_dependencies(bus, name, &deps);
1714 if (r < 0)
1715 return r;
1716
1717 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
1718
1719 STRV_FOREACH(c, deps) {
1720 if (strv_contains(*units, *c)) {
1721 if (!arg_plain) {
1722 printf(" ");
1723 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1724 if (r < 0)
1725 return r;
1726 }
1727 continue;
1728 }
1729
1730 if (arg_plain)
1731 printf(" ");
1732 else {
1733 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1734 const char *on;
1735
1736 (void) get_state_one_unit(bus, *c, &active_state);
1737
1738 switch (active_state) {
1739 case UNIT_ACTIVE:
1740 case UNIT_RELOADING:
1741 case UNIT_ACTIVATING:
1742 on = ansi_highlight_green();
1743 break;
1744
1745 case UNIT_INACTIVE:
1746 case UNIT_DEACTIVATING:
1747 on = ansi_normal();
1748 break;
1749
1750 default:
1751 on = ansi_highlight_red();
1752 break;
1753 }
1754
1755 printf("%s%s%s ", on, special_glyph(BLACK_CIRCLE), ansi_normal());
1756 }
1757
1758 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1759 if (r < 0)
1760 return r;
1761
1762 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1763 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1764 if (r < 0)
1765 return r;
1766 }
1767 }
1768
1769 if (!arg_plain)
1770 strv_remove(*units, name);
1771
1772 return 0;
1773 }
1774
1775 static int list_dependencies(int argc, char *argv[], void *userdata) {
1776 _cleanup_strv_free_ char **units = NULL;
1777 _cleanup_free_ char *unit = NULL;
1778 const char *u;
1779 sd_bus *bus;
1780 int r;
1781
1782 if (argv[1]) {
1783 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1784 if (r < 0)
1785 return log_error_errno(r, "Failed to mangle unit name: %m");
1786
1787 u = unit;
1788 } else
1789 u = SPECIAL_DEFAULT_TARGET;
1790
1791 r = acquire_bus(BUS_MANAGER, &bus);
1792 if (r < 0)
1793 return r;
1794
1795 (void) pager_open(arg_no_pager, false);
1796
1797 puts(u);
1798
1799 return list_dependencies_one(bus, u, 0, &units, 0);
1800 }
1801
1802 struct machine_info {
1803 bool is_host;
1804 char *name;
1805 char *state;
1806 char *control_group;
1807 uint32_t n_failed_units;
1808 uint32_t n_jobs;
1809 usec_t timestamp;
1810 };
1811
1812 static const struct bus_properties_map machine_info_property_map[] = {
1813 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1814 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1815 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1816 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1817 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1818 {}
1819 };
1820
1821 static void machine_info_clear(struct machine_info *info) {
1822 assert(info);
1823
1824 free(info->name);
1825 free(info->state);
1826 free(info->control_group);
1827 zero(*info);
1828 }
1829
1830 static void free_machines_list(struct machine_info *machine_infos, int n) {
1831 int i;
1832
1833 if (!machine_infos)
1834 return;
1835
1836 for (i = 0; i < n; i++)
1837 machine_info_clear(&machine_infos[i]);
1838
1839 free(machine_infos);
1840 }
1841
1842 static int compare_machine_info(const void *a, const void *b) {
1843 const struct machine_info *u = a, *v = b;
1844
1845 if (u->is_host != v->is_host)
1846 return u->is_host > v->is_host ? -1 : 1;
1847
1848 return strcasecmp(u->name, v->name);
1849 }
1850
1851 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1852 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1853 int r;
1854
1855 assert(mi);
1856
1857 if (!bus) {
1858 r = sd_bus_open_system_machine(&container, mi->name);
1859 if (r < 0)
1860 return r;
1861
1862 bus = container;
1863 }
1864
1865 r = bus_map_all_properties(
1866 bus,
1867 "org.freedesktop.systemd1",
1868 "/org/freedesktop/systemd1",
1869 machine_info_property_map,
1870 BUS_MAP_STRDUP,
1871 NULL,
1872 NULL,
1873 mi);
1874 if (r < 0)
1875 return r;
1876
1877 return 0;
1878 }
1879
1880 static bool output_show_machine(const char *name, char **patterns) {
1881 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1882 }
1883
1884 static int get_machine_list(
1885 sd_bus *bus,
1886 struct machine_info **_machine_infos,
1887 char **patterns) {
1888
1889 struct machine_info *machine_infos = NULL;
1890 _cleanup_strv_free_ char **m = NULL;
1891 _cleanup_free_ char *hn = NULL;
1892 size_t sz = 0;
1893 char **i;
1894 int c = 0, r;
1895
1896 hn = gethostname_malloc();
1897 if (!hn)
1898 return log_oom();
1899
1900 if (output_show_machine(hn, patterns)) {
1901 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1902 return log_oom();
1903
1904 machine_infos[c].is_host = true;
1905 machine_infos[c].name = TAKE_PTR(hn);
1906
1907 (void) get_machine_properties(bus, &machine_infos[c]);
1908 c++;
1909 }
1910
1911 r = sd_get_machine_names(&m);
1912 if (r < 0)
1913 return log_error_errno(r, "Failed to get machine list: %m");
1914
1915 STRV_FOREACH(i, m) {
1916 _cleanup_free_ char *class = NULL;
1917
1918 if (!output_show_machine(*i, patterns))
1919 continue;
1920
1921 sd_machine_get_class(*i, &class);
1922 if (!streq_ptr(class, "container"))
1923 continue;
1924
1925 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1926 free_machines_list(machine_infos, c);
1927 return log_oom();
1928 }
1929
1930 machine_infos[c].is_host = false;
1931 machine_infos[c].name = strdup(*i);
1932 if (!machine_infos[c].name) {
1933 free_machines_list(machine_infos, c);
1934 return log_oom();
1935 }
1936
1937 (void) get_machine_properties(NULL, &machine_infos[c]);
1938 c++;
1939 }
1940
1941 *_machine_infos = machine_infos;
1942 return c;
1943 }
1944
1945 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1946 struct machine_info *m;
1947 unsigned
1948 circle_len = 0,
1949 namelen = STRLEN("NAME"),
1950 statelen = STRLEN("STATE"),
1951 failedlen = STRLEN("FAILED"),
1952 jobslen = STRLEN("JOBS");
1953
1954 assert(machine_infos || n == 0);
1955
1956 for (m = machine_infos; m < machine_infos + n; m++) {
1957 namelen = MAX(namelen,
1958 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1959 statelen = MAX(statelen, strlen_ptr(m->state));
1960 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1961 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1962
1963 if (!arg_plain && !streq_ptr(m->state, "running"))
1964 circle_len = 2;
1965 }
1966
1967 if (!arg_no_legend) {
1968 if (circle_len > 0)
1969 fputs(" ", stdout);
1970
1971 printf("%-*s %-*s %-*s %-*s\n",
1972 namelen, "NAME",
1973 statelen, "STATE",
1974 failedlen, "FAILED",
1975 jobslen, "JOBS");
1976 }
1977
1978 for (m = machine_infos; m < machine_infos + n; m++) {
1979 const char *on_state = "", *off_state = "";
1980 const char *on_failed = "", *off_failed = "";
1981 bool circle = false;
1982
1983 if (streq_ptr(m->state, "degraded")) {
1984 on_state = ansi_highlight_red();
1985 off_state = ansi_normal();
1986 circle = true;
1987 } else if (!streq_ptr(m->state, "running")) {
1988 on_state = ansi_highlight_yellow();
1989 off_state = ansi_normal();
1990 circle = true;
1991 }
1992
1993 if (m->n_failed_units > 0) {
1994 on_failed = ansi_highlight_red();
1995 off_failed = ansi_normal();
1996 } else
1997 on_failed = off_failed = "";
1998
1999 if (circle_len > 0)
2000 printf("%s%s%s ", on_state, circle ? special_glyph(BLACK_CIRCLE) : " ", off_state);
2001
2002 if (m->is_host)
2003 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2004 (int) (namelen - (STRLEN(" (host)"))),
2005 strna(m->name),
2006 on_state, statelen, strna(m->state), off_state,
2007 on_failed, failedlen, m->n_failed_units, off_failed,
2008 jobslen, m->n_jobs);
2009 else
2010 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2011 namelen, strna(m->name),
2012 on_state, statelen, strna(m->state), off_state,
2013 on_failed, failedlen, m->n_failed_units, off_failed,
2014 jobslen, m->n_jobs);
2015 }
2016
2017 if (!arg_no_legend)
2018 printf("\n%u machines listed.\n", n);
2019 }
2020
2021 static int list_machines(int argc, char *argv[], void *userdata) {
2022 struct machine_info *machine_infos = NULL;
2023 sd_bus *bus;
2024 int r;
2025
2026 r = acquire_bus(BUS_MANAGER, &bus);
2027 if (r < 0)
2028 return r;
2029
2030 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2031 if (r < 0)
2032 return r;
2033
2034 (void) pager_open(arg_no_pager, false);
2035
2036 qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info);
2037 output_machines_list(machine_infos, r);
2038 free_machines_list(machine_infos, r);
2039
2040 return 0;
2041 }
2042
2043 static int get_default(int argc, char *argv[], void *userdata) {
2044 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2045 _cleanup_free_ char *_path = NULL;
2046 const char *path;
2047 int r;
2048
2049 if (install_client_side()) {
2050 r = unit_file_get_default(arg_scope, arg_root, &_path);
2051 if (r < 0)
2052 return log_error_errno(r, "Failed to get default target: %m");
2053 path = _path;
2054
2055 r = 0;
2056 } else {
2057 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2058 sd_bus *bus;
2059
2060 r = acquire_bus(BUS_MANAGER, &bus);
2061 if (r < 0)
2062 return r;
2063
2064 r = sd_bus_call_method(
2065 bus,
2066 "org.freedesktop.systemd1",
2067 "/org/freedesktop/systemd1",
2068 "org.freedesktop.systemd1.Manager",
2069 "GetDefaultTarget",
2070 &error,
2071 &reply,
2072 NULL);
2073 if (r < 0)
2074 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2075
2076 r = sd_bus_message_read(reply, "s", &path);
2077 if (r < 0)
2078 return bus_log_parse_error(r);
2079 }
2080
2081 if (path)
2082 printf("%s\n", path);
2083
2084 return 0;
2085 }
2086
2087 static int set_default(int argc, char *argv[], void *userdata) {
2088 _cleanup_free_ char *unit = NULL;
2089 UnitFileChange *changes = NULL;
2090 size_t n_changes = 0;
2091 int r;
2092
2093 assert(argc >= 2);
2094 assert(argv);
2095
2096 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2097 if (r < 0)
2098 return log_error_errno(r, "Failed to mangle unit name: %m");
2099
2100 if (install_client_side()) {
2101 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2102 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2103
2104 if (r > 0)
2105 r = 0;
2106 } else {
2107 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2108 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2109 sd_bus *bus;
2110
2111 polkit_agent_open_maybe();
2112
2113 r = acquire_bus(BUS_MANAGER, &bus);
2114 if (r < 0)
2115 return r;
2116
2117 r = sd_bus_call_method(
2118 bus,
2119 "org.freedesktop.systemd1",
2120 "/org/freedesktop/systemd1",
2121 "org.freedesktop.systemd1.Manager",
2122 "SetDefaultTarget",
2123 &error,
2124 &reply,
2125 "sb", unit, 1);
2126 if (r < 0)
2127 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2128
2129 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2130 if (r < 0)
2131 goto finish;
2132
2133 /* Try to reload if enabled */
2134 if (!arg_no_reload)
2135 r = daemon_reload(argc, argv, userdata);
2136 else
2137 r = 0;
2138 }
2139
2140 finish:
2141 unit_file_changes_free(changes, n_changes);
2142
2143 return r;
2144 }
2145
2146 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2147 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2148 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2149 const char *name, *type, *state, *job_path, *unit_path;
2150 uint32_t other_id;
2151 int r;
2152
2153 assert(bus);
2154
2155 r = sd_bus_call_method(
2156 bus,
2157 "org.freedesktop.systemd1",
2158 "/org/freedesktop/systemd1",
2159 "org.freedesktop.systemd1.Manager",
2160 method,
2161 &error,
2162 &reply,
2163 "u", id);
2164 if (r < 0)
2165 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2166
2167 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2168 if (r < 0)
2169 return bus_log_parse_error(r);
2170
2171 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, &state, &job_path, &unit_path)) > 0)
2172 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2173 if (r < 0)
2174 return bus_log_parse_error(r);
2175
2176 r = sd_bus_message_exit_container(reply);
2177 if (r < 0)
2178 return bus_log_parse_error(r);
2179
2180 return 0;
2181 }
2182
2183 struct job_info {
2184 uint32_t id;
2185 const char *name, *type, *state;
2186 };
2187
2188 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2189 unsigned id_len, unit_len, type_len, state_len;
2190 const struct job_info *j;
2191 const char *on, *off;
2192 bool shorten = false;
2193
2194 assert(n == 0 || jobs);
2195
2196 if (n == 0) {
2197 if (!arg_no_legend) {
2198 on = ansi_highlight_green();
2199 off = ansi_normal();
2200
2201 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2202 }
2203 return;
2204 }
2205
2206 (void) pager_open(arg_no_pager, false);
2207
2208 id_len = STRLEN("JOB");
2209 unit_len = STRLEN("UNIT");
2210 type_len = STRLEN("TYPE");
2211 state_len = STRLEN("STATE");
2212
2213 for (j = jobs; j < jobs + n; j++) {
2214 uint32_t id = j->id;
2215 assert(j->name && j->type && j->state);
2216
2217 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2218 unit_len = MAX(unit_len, strlen(j->name));
2219 type_len = MAX(type_len, strlen(j->type));
2220 state_len = MAX(state_len, strlen(j->state));
2221 }
2222
2223 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2224 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2225 shorten = true;
2226 }
2227
2228 if (!arg_no_legend)
2229 printf("%*s %-*s %-*s %-*s\n",
2230 id_len, "JOB",
2231 unit_len, "UNIT",
2232 type_len, "TYPE",
2233 state_len, "STATE");
2234
2235 for (j = jobs; j < jobs + n; j++) {
2236 _cleanup_free_ char *e = NULL;
2237
2238 if (streq(j->state, "running")) {
2239 on = ansi_highlight();
2240 off = ansi_normal();
2241 } else
2242 on = off = "";
2243
2244 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2245 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2246 id_len, j->id,
2247 on, unit_len, e ? e : j->name, off,
2248 type_len, j->type,
2249 on, state_len, j->state, off);
2250
2251 if (arg_jobs_after)
2252 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2253 if (arg_jobs_before)
2254 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2255 }
2256
2257 if (!arg_no_legend) {
2258 on = ansi_highlight();
2259 off = ansi_normal();
2260
2261 printf("\n%s%u jobs listed%s.\n", on, n, off);
2262 }
2263 }
2264
2265 static bool output_show_job(struct job_info *job, char **patterns) {
2266 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2267 }
2268
2269 static int list_jobs(int argc, char *argv[], void *userdata) {
2270 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2271 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2272 const char *name, *type, *state, *job_path, *unit_path;
2273 _cleanup_free_ struct job_info *jobs = NULL;
2274 size_t size = 0;
2275 unsigned c = 0;
2276 sd_bus *bus;
2277 uint32_t id;
2278 int r;
2279 bool skipped = false;
2280
2281 r = acquire_bus(BUS_MANAGER, &bus);
2282 if (r < 0)
2283 return r;
2284
2285 r = sd_bus_call_method(
2286 bus,
2287 "org.freedesktop.systemd1",
2288 "/org/freedesktop/systemd1",
2289 "org.freedesktop.systemd1.Manager",
2290 "ListJobs",
2291 &error,
2292 &reply,
2293 NULL);
2294 if (r < 0)
2295 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2296
2297 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2298 if (r < 0)
2299 return bus_log_parse_error(r);
2300
2301 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) {
2302 struct job_info job = { id, name, type, state };
2303
2304 if (!output_show_job(&job, strv_skip(argv, 1))) {
2305 skipped = true;
2306 continue;
2307 }
2308
2309 if (!GREEDY_REALLOC(jobs, size, c + 1))
2310 return log_oom();
2311
2312 jobs[c++] = job;
2313 }
2314 if (r < 0)
2315 return bus_log_parse_error(r);
2316
2317 r = sd_bus_message_exit_container(reply);
2318 if (r < 0)
2319 return bus_log_parse_error(r);
2320
2321 (void) pager_open(arg_no_pager, false);
2322
2323 output_jobs_list(bus, jobs, c, skipped);
2324 return 0;
2325 }
2326
2327 static int cancel_job(int argc, char *argv[], void *userdata) {
2328 sd_bus *bus;
2329 char **name;
2330 int r = 0;
2331
2332 if (argc <= 1)
2333 return trivial_method(argc, argv, userdata);
2334
2335 r = acquire_bus(BUS_MANAGER, &bus);
2336 if (r < 0)
2337 return r;
2338
2339 polkit_agent_open_maybe();
2340
2341 STRV_FOREACH(name, strv_skip(argv, 1)) {
2342 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2343 uint32_t id;
2344 int q;
2345
2346 q = safe_atou32(*name, &id);
2347 if (q < 0)
2348 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2349
2350 q = sd_bus_call_method(
2351 bus,
2352 "org.freedesktop.systemd1",
2353 "/org/freedesktop/systemd1",
2354 "org.freedesktop.systemd1.Manager",
2355 "CancelJob",
2356 &error,
2357 NULL,
2358 "u", id);
2359 if (q < 0) {
2360 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2361 if (r == 0)
2362 r = q;
2363 }
2364 }
2365
2366 return r;
2367 }
2368
2369 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2370 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2371 const char *path;
2372 int b, r;
2373
2374 /* We ignore all errors here, since this is used to show a
2375 * warning only */
2376
2377 /* We don't use unit_dbus_path_from_name() directly since we
2378 * don't want to load the unit if it isn't loaded. */
2379
2380 r = sd_bus_call_method(
2381 bus,
2382 "org.freedesktop.systemd1",
2383 "/org/freedesktop/systemd1",
2384 "org.freedesktop.systemd1.Manager",
2385 "GetUnit",
2386 NULL,
2387 &reply,
2388 "s", unit);
2389 if (r < 0)
2390 return r;
2391
2392 r = sd_bus_message_read(reply, "o", &path);
2393 if (r < 0)
2394 return r;
2395
2396 r = sd_bus_get_property_trivial(
2397 bus,
2398 "org.freedesktop.systemd1",
2399 path,
2400 "org.freedesktop.systemd1.Unit",
2401 "NeedDaemonReload",
2402 NULL,
2403 'b', &b);
2404 if (r < 0)
2405 return r;
2406
2407 return b;
2408 }
2409
2410 static void warn_unit_file_changed(const char *name) {
2411 assert(name);
2412
2413 log_warning("%sWarning:%s The unit file, source configuration file or drop-ins of %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.",
2414 ansi_highlight_red(),
2415 ansi_normal(),
2416 name,
2417 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2418 }
2419
2420 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) {
2421 char **p;
2422
2423 assert(lp);
2424 assert(unit_name);
2425
2426 STRV_FOREACH(p, lp->search_path) {
2427 _cleanup_free_ char *path = NULL, *lpath = NULL;
2428 int r;
2429
2430 path = path_join(NULL, *p, unit_name);
2431 if (!path)
2432 return log_oom();
2433
2434 r = chase_symlinks(path, arg_root, 0, &lpath);
2435 if (r == -ENOENT)
2436 continue;
2437 if (r == -ENOMEM)
2438 return log_oom();
2439 if (r < 0)
2440 return log_error_errno(r, "Failed to access path '%s': %m", path);
2441
2442 if (unit_path)
2443 *unit_path = TAKE_PTR(lpath);
2444
2445 return 1;
2446 }
2447
2448 return 0;
2449 }
2450
2451 static int unit_find_template_path(
2452 const char *unit_name,
2453 LookupPaths *lp,
2454 char **fragment_path,
2455 char **template) {
2456
2457 _cleanup_free_ char *_template = NULL;
2458 int r;
2459
2460 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2461
2462 r = unit_file_find_path(lp, unit_name, fragment_path);
2463 if (r != 0)
2464 return r; /* error or found a real unit */
2465
2466 r = unit_name_template(unit_name, &_template);
2467 if (r == -EINVAL)
2468 return 0; /* not a template, does not exist */
2469 if (r < 0)
2470 return log_error_errno(r, "Failed to determine template name: %m");
2471
2472 r = unit_file_find_path(lp, _template, fragment_path);
2473 if (r < 0)
2474 return r;
2475
2476 if (template)
2477 *template = TAKE_PTR(_template);
2478
2479 return r;
2480 }
2481
2482 static int unit_find_paths(
2483 sd_bus *bus,
2484 const char *unit_name,
2485 LookupPaths *lp,
2486 char **fragment_path,
2487 char ***dropin_paths) {
2488
2489 _cleanup_free_ char *path = NULL;
2490 _cleanup_strv_free_ char **dropins = NULL;
2491 int r;
2492
2493 /**
2494 * Finds where the unit is defined on disk. Returns 0 if the unit
2495 * is not found. Returns 1 if it is found, and sets
2496 * - the path to the unit in *path, if it exists on disk,
2497 * - and a strv of existing drop-ins in *dropins,
2498 * if the arg is not NULL and any dropins were found.
2499 */
2500
2501 assert(unit_name);
2502 assert(fragment_path);
2503 assert(lp);
2504
2505 if (!install_client_side() && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2506 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2507 _cleanup_free_ char *unit = NULL;
2508
2509 unit = unit_dbus_path_from_name(unit_name);
2510 if (!unit)
2511 return log_oom();
2512
2513 r = sd_bus_get_property_string(
2514 bus,
2515 "org.freedesktop.systemd1",
2516 unit,
2517 "org.freedesktop.systemd1.Unit",
2518 "FragmentPath",
2519 &error,
2520 &path);
2521 if (r < 0)
2522 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2523
2524 if (dropin_paths) {
2525 r = sd_bus_get_property_strv(
2526 bus,
2527 "org.freedesktop.systemd1",
2528 unit,
2529 "org.freedesktop.systemd1.Unit",
2530 "DropInPaths",
2531 &error,
2532 &dropins);
2533 if (r < 0)
2534 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2535 }
2536 } else {
2537 _cleanup_set_free_ Set *names = NULL;
2538 _cleanup_free_ char *template = NULL;
2539
2540 names = set_new(NULL);
2541 if (!names)
2542 return log_oom();
2543
2544 r = unit_find_template_path(unit_name, lp, &path, &template);
2545 if (r < 0)
2546 return r;
2547
2548 if (r > 0)
2549 /* We found the unit file. If we followed symlinks, this name might be
2550 * different then the unit_name with started with. Look for dropins matching
2551 * that "final" name. */
2552 r = set_put(names, basename(path));
2553 else if (!template)
2554 /* No unit file, let's look for dropins matching the original name.
2555 * systemd has fairly complicated rules (based on unit type and provenience),
2556 * which units are allowed not to have the main unit file. We err on the
2557 * side of including too many files, and always try to load dropins. */
2558 r = set_put(names, unit_name);
2559 else
2560 /* The cases where we allow a unit to exist without the main file are
2561 * never valid for templates. Don't try to load dropins in this case. */
2562 goto not_found;
2563
2564 if (r < 0)
2565 return log_error_errno(r, "Failed to add unit name: %m");
2566
2567 if (dropin_paths) {
2568 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path,
2569 NULL, names, &dropins);
2570 if (r < 0)
2571 return r;
2572 }
2573 }
2574
2575 r = 0;
2576
2577 if (!isempty(path)) {
2578 *fragment_path = TAKE_PTR(path);
2579 r = 1;
2580 }
2581
2582 if (dropin_paths && !strv_isempty(dropins)) {
2583 *dropin_paths = TAKE_PTR(dropins);
2584 r = 1;
2585 }
2586 not_found:
2587 if (r == 0 && !arg_force)
2588 log_error("No files found for %s.", unit_name);
2589
2590 return r;
2591 }
2592
2593 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2594 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2595 _cleanup_free_ char *buf = NULL, *path = NULL;
2596 UnitActiveState state;
2597 int r;
2598
2599 assert(name);
2600 assert(active_state);
2601
2602 path = unit_dbus_path_from_name(name);
2603 if (!path)
2604 return log_oom();
2605
2606 r = sd_bus_get_property_string(
2607 bus,
2608 "org.freedesktop.systemd1",
2609 path,
2610 "org.freedesktop.systemd1.Unit",
2611 "ActiveState",
2612 &error,
2613 &buf);
2614 if (r < 0)
2615 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2616
2617 state = unit_active_state_from_string(buf);
2618 if (state == _UNIT_ACTIVE_STATE_INVALID) {
2619 log_error("Invalid unit state '%s' for: %s", buf, name);
2620 return -EINVAL;
2621 }
2622
2623 *active_state = state;
2624 return 0;
2625 }
2626
2627 static int unit_is_masked(sd_bus *bus, const char *name) {
2628 _cleanup_free_ char *load_state = NULL;
2629 int r;
2630
2631 r = unit_load_state(bus, name, &load_state);
2632 if (r < 0)
2633 return r;
2634
2635 return streq(load_state, "masked");
2636 }
2637
2638 static int check_triggering_units(sd_bus *bus, const char *name) {
2639 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2640 _cleanup_free_ char *n = NULL, *path = NULL;
2641 _cleanup_strv_free_ char **triggered_by = NULL;
2642 bool print_warning_label = true;
2643 UnitActiveState active_state;
2644 char **i;
2645 int r;
2646
2647 r = unit_name_mangle(name, 0, &n);
2648 if (r < 0)
2649 return log_error_errno(r, "Failed to mangle unit name: %m");
2650
2651 r = unit_is_masked(bus, n);
2652 if (r != 0)
2653 return r < 0 ? r : 0;
2654
2655 path = unit_dbus_path_from_name(n);
2656 if (!path)
2657 return log_oom();
2658
2659 r = sd_bus_get_property_strv(
2660 bus,
2661 "org.freedesktop.systemd1",
2662 path,
2663 "org.freedesktop.systemd1.Unit",
2664 "TriggeredBy",
2665 &error,
2666 &triggered_by);
2667 if (r < 0)
2668 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2669
2670 STRV_FOREACH(i, triggered_by) {
2671 r = get_state_one_unit(bus, *i, &active_state);
2672 if (r < 0)
2673 return r;
2674
2675 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2676 continue;
2677
2678 if (print_warning_label) {
2679 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2680 print_warning_label = false;
2681 }
2682
2683 log_warning(" %s", *i);
2684 }
2685
2686 return 0;
2687 }
2688
2689 static const struct {
2690 const char *verb;
2691 const char *method;
2692 } unit_actions[] = {
2693 { "start", "StartUnit" },
2694 { "stop", "StopUnit" },
2695 { "condstop", "StopUnit" },
2696 { "reload", "ReloadUnit" },
2697 { "restart", "RestartUnit" },
2698 { "try-restart", "TryRestartUnit" },
2699 { "condrestart", "TryRestartUnit" },
2700 { "reload-or-restart", "ReloadOrRestartUnit" },
2701 { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
2702 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2703 { "condreload", "ReloadOrTryRestartUnit" },
2704 { "force-reload", "ReloadOrTryRestartUnit" }
2705 };
2706
2707 static const char *verb_to_method(const char *verb) {
2708 uint i;
2709
2710 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2711 if (streq_ptr(unit_actions[i].verb, verb))
2712 return unit_actions[i].method;
2713
2714 return "StartUnit";
2715 }
2716
2717 static const char *method_to_verb(const char *method) {
2718 uint i;
2719
2720 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2721 if (streq_ptr(unit_actions[i].method, method))
2722 return unit_actions[i].verb;
2723
2724 return "n/a";
2725 }
2726
2727 typedef struct {
2728 sd_bus_slot *match;
2729 sd_event *event;
2730 Set *unit_paths;
2731 bool any_failed;
2732 } WaitContext;
2733
2734 static void wait_context_free(WaitContext *c) {
2735 c->match = sd_bus_slot_unref(c->match);
2736 c->event = sd_event_unref(c->event);
2737 c->unit_paths = set_free_free(c->unit_paths);
2738 }
2739
2740 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2741 WaitContext *c = userdata;
2742 const char *path;
2743 int r;
2744
2745 path = sd_bus_message_get_path(m);
2746 if (!set_contains(c->unit_paths, path))
2747 return 0;
2748
2749 /* Check if ActiveState changed to inactive/failed */
2750 /* (s interface, a{sv} changed_properties, as invalidated_properties) */
2751 r = sd_bus_message_skip(m, "s");
2752 if (r < 0)
2753 return bus_log_parse_error(r);
2754
2755 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2756 if (r < 0)
2757 return bus_log_parse_error(r);
2758
2759 while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
2760 const char *s;
2761
2762 r = sd_bus_message_read(m, "s", &s);
2763 if (r < 0)
2764 return bus_log_parse_error(r);
2765
2766 if (streq(s, "ActiveState")) {
2767 bool is_failed;
2768
2769 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, "s");
2770 if (r < 0)
2771 return bus_log_parse_error(r);
2772
2773 r = sd_bus_message_read(m, "s", &s);
2774 if (r < 0)
2775 return bus_log_parse_error(r);
2776
2777 is_failed = streq(s, "failed");
2778 if (streq(s, "inactive") || is_failed) {
2779 log_debug("%s became %s, dropping from --wait tracking", path, s);
2780 free(set_remove(c->unit_paths, path));
2781 c->any_failed = c->any_failed || is_failed;
2782 } else
2783 log_debug("ActiveState on %s changed to %s", path, s);
2784
2785 break; /* no need to dissect the rest of the message */
2786 } else {
2787 /* other property */
2788 r = sd_bus_message_skip(m, "v");
2789 if (r < 0)
2790 return bus_log_parse_error(r);
2791 }
2792 r = sd_bus_message_exit_container(m);
2793 if (r < 0)
2794 return bus_log_parse_error(r);
2795 }
2796 if (r < 0)
2797 return bus_log_parse_error(r);
2798
2799 if (set_isempty(c->unit_paths))
2800 sd_event_exit(c->event, EXIT_SUCCESS);
2801
2802 return 0;
2803 }
2804
2805 static int start_unit_one(
2806 sd_bus *bus,
2807 const char *method,
2808 const char *name,
2809 const char *mode,
2810 sd_bus_error *error,
2811 BusWaitForJobs *w,
2812 WaitContext *wait_context) {
2813
2814 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2815 const char *path;
2816 int r;
2817
2818 assert(method);
2819 assert(name);
2820 assert(mode);
2821 assert(error);
2822
2823 if (wait_context) {
2824 _cleanup_free_ char *unit_path = NULL;
2825
2826 log_debug("Watching for property changes of %s", name);
2827 r = sd_bus_call_method(
2828 bus,
2829 "org.freedesktop.systemd1",
2830 "/org/freedesktop/systemd1",
2831 "org.freedesktop.systemd1.Manager",
2832 "RefUnit",
2833 error,
2834 NULL,
2835 "s", name);
2836 if (r < 0)
2837 return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r));
2838
2839 unit_path = unit_dbus_path_from_name(name);
2840 if (!unit_path)
2841 return log_oom();
2842
2843 r = set_put_strdup(wait_context->unit_paths, unit_path);
2844 if (r < 0)
2845 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2846
2847 r = sd_bus_match_signal_async(bus,
2848 &wait_context->match,
2849 NULL,
2850 unit_path,
2851 "org.freedesktop.DBus.Properties",
2852 "PropertiesChanged",
2853 on_properties_changed, NULL, wait_context);
2854 if (r < 0)
2855 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2856 }
2857
2858 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2859 arg_dry_run ? "Would execute" : "Executing",
2860 method, name, mode);
2861 if (arg_dry_run)
2862 return 0;
2863
2864 r = sd_bus_call_method(
2865 bus,
2866 "org.freedesktop.systemd1",
2867 "/org/freedesktop/systemd1",
2868 "org.freedesktop.systemd1.Manager",
2869 method,
2870 error,
2871 &reply,
2872 "ss", name, mode);
2873 if (r < 0) {
2874 const char *verb;
2875
2876 /* There's always a fallback possible for legacy actions. */
2877 if (arg_action != ACTION_SYSTEMCTL)
2878 return r;
2879
2880 verb = method_to_verb(method);
2881
2882 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2883
2884 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2885 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2886 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2887 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2888 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2889 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2890 name[0] == '-' ? " --" : "",
2891 name);
2892
2893 return r;
2894 }
2895
2896 r = sd_bus_message_read(reply, "o", &path);
2897 if (r < 0)
2898 return bus_log_parse_error(r);
2899
2900 if (need_daemon_reload(bus, name) > 0)
2901 warn_unit_file_changed(name);
2902
2903 if (w) {
2904 log_debug("Adding %s to the set", path);
2905 r = bus_wait_for_jobs_add(w, path);
2906 if (r < 0)
2907 return log_oom();
2908 }
2909
2910 return 0;
2911 }
2912
2913 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2914 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2915 char **name;
2916 int r, i;
2917
2918 assert(bus);
2919 assert(ret);
2920
2921 STRV_FOREACH(name, names) {
2922 char *t;
2923 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2924
2925 if (suffix)
2926 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2927 else
2928 r = unit_name_mangle(*name, options, &t);
2929 if (r < 0)
2930 return log_error_errno(r, "Failed to mangle name: %m");
2931
2932 if (string_is_glob(t))
2933 r = strv_consume(&globs, t);
2934 else
2935 r = strv_consume(&mangled, t);
2936 if (r < 0)
2937 return log_oom();
2938 }
2939
2940 /* Query the manager only if any of the names are a glob, since
2941 * this is fairly expensive */
2942 if (!strv_isempty(globs)) {
2943 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2944 _cleanup_free_ UnitInfo *unit_infos = NULL;
2945 size_t allocated, n;
2946
2947 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2948 if (r < 0)
2949 return r;
2950
2951 n = strv_length(mangled);
2952 allocated = n + 1;
2953
2954 for (i = 0; i < r; i++) {
2955 if (!GREEDY_REALLOC(mangled, allocated, n+2))
2956 return log_oom();
2957
2958 mangled[n] = strdup(unit_infos[i].id);
2959 if (!mangled[n])
2960 return log_oom();
2961
2962 mangled[++n] = NULL;
2963 }
2964 }
2965
2966 *ret = TAKE_PTR(mangled);
2967
2968 return 0;
2969 }
2970
2971 static const struct {
2972 const char *target;
2973 const char *verb;
2974 const char *mode;
2975 } action_table[_ACTION_MAX] = {
2976 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2977 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2978 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2979 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2980 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2981 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2982 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2983 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
2984 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
2985 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
2986 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
2987 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
2988 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
2989 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
2990 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
2991 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
2992 };
2993
2994 static enum action verb_to_action(const char *verb) {
2995 enum action i;
2996
2997 for (i = 0; i < _ACTION_MAX; i++)
2998 if (streq_ptr(action_table[i].verb, verb))
2999 return i;
3000
3001 return _ACTION_INVALID;
3002 }
3003
3004 static int start_unit(int argc, char *argv[], void *userdata) {
3005 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3006 const char *method, *mode, *one_name, *suffix = NULL;
3007 _cleanup_strv_free_ char **names = NULL;
3008 sd_bus *bus;
3009 _cleanup_(wait_context_free) WaitContext wait_context = {};
3010 char **name;
3011 int r = 0;
3012
3013 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3014 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3015 return -EINVAL;
3016 }
3017
3018 /* we cannot do sender tracking on the private bus, so we need the full
3019 * one for RefUnit to implement --wait */
3020 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3021 if (r < 0)
3022 return r;
3023
3024 ask_password_agent_open_if_enabled();
3025 polkit_agent_open_maybe();
3026
3027 if (arg_action == ACTION_SYSTEMCTL) {
3028 enum action action;
3029
3030 action = verb_to_action(argv[0]);
3031
3032 if (action != _ACTION_INVALID) {
3033 method = "StartUnit";
3034 mode = action_table[action].mode;
3035 one_name = action_table[action].target;
3036 } else {
3037 if (streq(argv[0], "isolate")) {
3038 method = "StartUnit";
3039 mode = "isolate";
3040
3041 suffix = ".target";
3042 } else {
3043 method = verb_to_method(argv[0]);
3044 mode = arg_job_mode;
3045 }
3046 one_name = NULL;
3047 }
3048 } else {
3049 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3050 assert(action_table[arg_action].target);
3051 assert(action_table[arg_action].mode);
3052
3053 method = "StartUnit";
3054 mode = action_table[arg_action].mode;
3055 one_name = action_table[arg_action].target;
3056 }
3057
3058 if (one_name)
3059 names = strv_new(one_name, NULL);
3060 else {
3061 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3062 if (r < 0)
3063 return log_error_errno(r, "Failed to expand names: %m");
3064 }
3065
3066 if (!arg_no_block) {
3067 r = bus_wait_for_jobs_new(bus, &w);
3068 if (r < 0)
3069 return log_error_errno(r, "Could not watch jobs: %m");
3070 }
3071
3072 if (arg_wait) {
3073 wait_context.unit_paths = set_new(&string_hash_ops);
3074 if (!wait_context.unit_paths)
3075 return log_oom();
3076
3077 r = sd_bus_call_method_async(
3078 bus,
3079 NULL,
3080 "org.freedesktop.systemd1",
3081 "/org/freedesktop/systemd1",
3082 "org.freedesktop.systemd1.Manager",
3083 "Subscribe",
3084 NULL, NULL,
3085 NULL);
3086 if (r < 0)
3087 return log_error_errno(r, "Failed to enable subscription: %m");
3088 r = sd_event_default(&wait_context.event);
3089 if (r < 0)
3090 return log_error_errno(r, "Failed to allocate event loop: %m");
3091 r = sd_bus_attach_event(bus, wait_context.event, 0);
3092 if (r < 0)
3093 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3094 }
3095
3096 STRV_FOREACH(name, names) {
3097 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3098 int q;
3099
3100 q = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3101 if (r >= 0 && q < 0)
3102 r = translate_bus_error_to_exit_status(q, &error);
3103 }
3104
3105 if (!arg_no_block) {
3106 int q, arg_count = 0;
3107 const char* extra_args[4] = {};
3108
3109 if (arg_scope != UNIT_FILE_SYSTEM)
3110 extra_args[arg_count++] = "--user";
3111
3112 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3113 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3114 extra_args[arg_count++] = "-H";
3115 extra_args[arg_count++] = arg_host;
3116 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3117 extra_args[arg_count++] = "-M";
3118 extra_args[arg_count++] = arg_host;
3119 }
3120
3121 q = bus_wait_for_jobs(w, arg_quiet, extra_args);
3122 if (q < 0)
3123 return q;
3124
3125 /* When stopping units, warn if they can still be triggered by
3126 * another active unit (socket, path, timer) */
3127 if (!arg_quiet && streq(method, "StopUnit"))
3128 STRV_FOREACH(name, names)
3129 check_triggering_units(bus, *name);
3130 }
3131
3132 if (r >= 0 && arg_wait) {
3133 int q;
3134 q = sd_event_loop(wait_context.event);
3135 if (q < 0)
3136 return log_error_errno(q, "Failed to run event loop: %m");
3137 if (wait_context.any_failed)
3138 r = EXIT_FAILURE;
3139 }
3140
3141 return r;
3142 }
3143
3144 #if ENABLE_LOGIND
3145 static int logind_set_wall_message(void) {
3146 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3147 sd_bus *bus;
3148 _cleanup_free_ char *m = NULL;
3149 int r;
3150
3151 r = acquire_bus(BUS_FULL, &bus);
3152 if (r < 0)
3153 return r;
3154
3155 m = strv_join(arg_wall, " ");
3156 if (!m)
3157 return log_oom();
3158
3159 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3160 if (arg_dry_run)
3161 return 0;
3162
3163 r = sd_bus_call_method(
3164 bus,
3165 "org.freedesktop.login1",
3166 "/org/freedesktop/login1",
3167 "org.freedesktop.login1.Manager",
3168 "SetWallMessage",
3169 &error,
3170 NULL,
3171 "sb",
3172 m,
3173 !arg_no_wall);
3174
3175 if (r < 0)
3176 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3177 return 0;
3178 }
3179 #endif
3180
3181 /* Ask systemd-logind, which might grant access to unprivileged users
3182 * through PolicyKit */
3183 static int logind_reboot(enum action a) {
3184 #if ENABLE_LOGIND
3185 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3186 const char *method, *description;
3187 sd_bus *bus;
3188 int r;
3189
3190 r = acquire_bus(BUS_FULL, &bus);
3191 if (r < 0)
3192 return r;
3193
3194 switch (a) {
3195
3196 case ACTION_POWEROFF:
3197 method = "PowerOff";
3198 description = "power off system";
3199 break;
3200
3201 case ACTION_REBOOT:
3202 method = "Reboot";
3203 description = "reboot system";
3204 break;
3205
3206 case ACTION_HALT:
3207 method = "Halt";
3208 description = "halt system";
3209 break;
3210
3211 case ACTION_SUSPEND:
3212 method = "Suspend";
3213 description = "suspend system";
3214 break;
3215
3216 case ACTION_HIBERNATE:
3217 method = "Hibernate";
3218 description = "hibernate system";
3219 break;
3220
3221 case ACTION_HYBRID_SLEEP:
3222 method = "HybridSleep";
3223 description = "put system into hybrid sleep";
3224 break;
3225
3226 case ACTION_SUSPEND_THEN_HIBERNATE:
3227 method = "SuspendThenHibernate";
3228 description = "put system into suspend followed by hibernate";
3229 break;
3230
3231 default:
3232 return -EINVAL;
3233 }
3234
3235 polkit_agent_open_maybe();
3236 (void) logind_set_wall_message();
3237
3238 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3239 if (arg_dry_run)
3240 return 0;
3241
3242 r = sd_bus_call_method(
3243 bus,
3244 "org.freedesktop.login1",
3245 "/org/freedesktop/login1",
3246 "org.freedesktop.login1.Manager",
3247 method,
3248 &error,
3249 NULL,
3250 "b", arg_ask_password);
3251 if (r < 0)
3252 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3253
3254 return 0;
3255 #else
3256 return -ENOSYS;
3257 #endif
3258 }
3259
3260 static int logind_check_inhibitors(enum action a) {
3261 #if ENABLE_LOGIND
3262 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3263 _cleanup_strv_free_ char **sessions = NULL;
3264 const char *what, *who, *why, *mode;
3265 uint32_t uid, pid;
3266 sd_bus *bus;
3267 unsigned c = 0;
3268 char **s;
3269 int r;
3270
3271 if (arg_ignore_inhibitors || arg_force > 0)
3272 return 0;
3273
3274 if (arg_when > 0)
3275 return 0;
3276
3277 if (geteuid() == 0)
3278 return 0;
3279
3280 if (!on_tty())
3281 return 0;
3282
3283 if (arg_transport != BUS_TRANSPORT_LOCAL)
3284 return 0;
3285
3286 r = acquire_bus(BUS_FULL, &bus);
3287 if (r < 0)
3288 return r;
3289
3290 r = sd_bus_call_method(
3291 bus,
3292 "org.freedesktop.login1",
3293 "/org/freedesktop/login1",
3294 "org.freedesktop.login1.Manager",
3295 "ListInhibitors",
3296 NULL,
3297 &reply,
3298 NULL);
3299 if (r < 0)
3300 /* If logind is not around, then there are no inhibitors... */
3301 return 0;
3302
3303 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3304 if (r < 0)
3305 return bus_log_parse_error(r);
3306
3307 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3308 _cleanup_free_ char *comm = NULL, *user = NULL;
3309 _cleanup_strv_free_ char **sv = NULL;
3310
3311 if (!streq(mode, "block"))
3312 continue;
3313
3314 sv = strv_split(what, ":");
3315 if (!sv)
3316 return log_oom();
3317
3318 if (!pid_is_valid((pid_t) pid)) {
3319 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3320 return -ERANGE;
3321 }
3322
3323 if (!strv_contains(sv,
3324 IN_SET(a,
3325 ACTION_HALT,
3326 ACTION_POWEROFF,
3327 ACTION_REBOOT,
3328 ACTION_KEXEC) ? "shutdown" : "sleep"))
3329 continue;
3330
3331 get_process_comm(pid, &comm);
3332 user = uid_to_name(uid);
3333
3334 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3335 who, (pid_t) pid, strna(comm), strna(user), why);
3336
3337 c++;
3338 }
3339 if (r < 0)
3340 return bus_log_parse_error(r);
3341
3342 r = sd_bus_message_exit_container(reply);
3343 if (r < 0)
3344 return bus_log_parse_error(r);
3345
3346 /* Check for current sessions */
3347 sd_get_sessions(&sessions);
3348 STRV_FOREACH(s, sessions) {
3349 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3350
3351 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3352 continue;
3353
3354 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3355 continue;
3356
3357 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3358 continue;
3359
3360 sd_session_get_tty(*s, &tty);
3361 sd_session_get_seat(*s, &seat);
3362 sd_session_get_service(*s, &service);
3363 user = uid_to_name(uid);
3364
3365 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3366 c++;
3367 }
3368
3369 if (c <= 0)
3370 return 0;
3371
3372 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3373 action_table[a].verb);
3374
3375 return -EPERM;
3376 #else
3377 return 0;
3378 #endif
3379 }
3380
3381 static int logind_prepare_firmware_setup(void) {
3382 #if ENABLE_LOGIND
3383 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3384 sd_bus *bus;
3385 int r;
3386
3387 r = acquire_bus(BUS_FULL, &bus);
3388 if (r < 0)
3389 return r;
3390
3391 r = sd_bus_call_method(
3392 bus,
3393 "org.freedesktop.login1",
3394 "/org/freedesktop/login1",
3395 "org.freedesktop.login1.Manager",
3396 "SetRebootToFirmwareSetup",
3397 &error,
3398 NULL,
3399 "b", true);
3400 if (r < 0)
3401 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3402
3403 return 0;
3404 #else
3405 log_error("Cannot remotely indicate to EFI to boot into setup mode.");
3406 return -ENOSYS;
3407 #endif
3408 }
3409
3410 static int prepare_firmware_setup(void) {
3411 int r;
3412
3413 if (!arg_firmware_setup)
3414 return 0;
3415
3416 if (arg_transport == BUS_TRANSPORT_LOCAL) {
3417
3418 r = efi_set_reboot_to_firmware(true);
3419 if (r < 0)
3420 log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
3421 else
3422 return r;
3423 }
3424
3425 return logind_prepare_firmware_setup();
3426 }
3427
3428 static int load_kexec_kernel(void) {
3429 _cleanup_(boot_config_free) BootConfig config = {};
3430 _cleanup_free_ char *where = NULL, *kernel = NULL, *initrd = NULL, *options = NULL;
3431 const BootEntry *e;
3432 pid_t pid;
3433 int r;
3434
3435 if (kexec_loaded()) {
3436 log_debug("Kexec kernel already loaded.");
3437 return 0;
3438 }
3439
3440 if (access(KEXEC, X_OK) < 0)
3441 return log_error_errno(errno, KEXEC" is not available: %m");
3442
3443 r = find_esp_and_warn(arg_esp_path, false, &where, NULL, NULL, NULL, NULL);
3444 if (r == -ENOKEY) /* find_esp_and_warn() doesn't warn about this case */
3445 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3446 if (r < 0) /* But it logs about all these cases, hence don't log here again */
3447 return r;
3448
3449 r = boot_entries_load_config(where, &config);
3450 if (r < 0)
3451 return log_error_errno(r, "Failed to load bootspec config from \"%s/loader\": %m", where);
3452
3453 if (config.default_entry < 0) {
3454 log_error("No entry suitable as default, refusing to guess.");
3455 return -ENOENT;
3456 }
3457 e = &config.entries[config.default_entry];
3458
3459 if (strv_length(e->initrd) > 1) {
3460 log_error("Boot entry specifies multiple initrds, which is not supported currently.");
3461 return -EINVAL;
3462 }
3463
3464 kernel = path_join(NULL, where, e->kernel);
3465 if (!strv_isempty(e->initrd))
3466 initrd = path_join(NULL, where, *e->initrd);
3467 options = strv_join(e->options, " ");
3468 if (!options)
3469 return log_oom();
3470
3471 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3472 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3473 arg_dry_run ? "Would run" : "Running",
3474 kernel,
3475 options,
3476 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3477 if (arg_dry_run)
3478 return 0;
3479
3480 r = safe_fork("(kexec)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
3481 if (r < 0)
3482 return r;
3483 if (r == 0) {
3484 const char* const args[] = {
3485 KEXEC,
3486 "--load", kernel,
3487 "--append", options,
3488 initrd ? "--initrd" : NULL, initrd,
3489 NULL };
3490
3491 /* Child */
3492 execv(args[0], (char * const *) args);
3493 _exit(EXIT_FAILURE);
3494 }
3495
3496 r = wait_for_terminate_and_check("kexec", pid, WAIT_LOG);
3497 if (r < 0)
3498 return r;
3499 if (r > 0)
3500 /* Command failed */
3501 return -EPROTO;
3502 return 0;
3503 }
3504
3505 static int set_exit_code(uint8_t code) {
3506 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3507 sd_bus *bus;
3508 int r;
3509
3510 r = acquire_bus(BUS_MANAGER, &bus);
3511 if (r < 0)
3512 return r;
3513
3514 r = sd_bus_call_method(
3515 bus,
3516 "org.freedesktop.systemd1",
3517 "/org/freedesktop/systemd1",
3518 "org.freedesktop.systemd1.Manager",
3519 "SetExitCode",
3520 &error,
3521 NULL,
3522 "y", code);
3523 if (r < 0)
3524 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3525
3526 return 0;
3527 }
3528
3529 static int start_special(int argc, char *argv[], void *userdata) {
3530 enum action a;
3531 int r;
3532 bool termination_action; /* an action that terminates the manager,
3533 * can be performed also by signal. */
3534
3535 assert(argv);
3536
3537 a = verb_to_action(argv[0]);
3538
3539 r = logind_check_inhibitors(a);
3540 if (r < 0)
3541 return r;
3542
3543 if (arg_force >= 2) {
3544 r = must_be_root();
3545 if (r < 0)
3546 return r;
3547 }
3548
3549 r = prepare_firmware_setup();
3550 if (r < 0)
3551 return r;
3552
3553 if (a == ACTION_REBOOT && argc > 1) {
3554 r = update_reboot_parameter_and_warn(argv[1]);
3555 if (r < 0)
3556 return r;
3557
3558 } else if (a == ACTION_KEXEC) {
3559 r = load_kexec_kernel();
3560 if (r < 0 && arg_force >= 1)
3561 log_notice("Failed to load kexec kernel, continuing without.");
3562 else if (r < 0)
3563 return r;
3564
3565 } else if (a == ACTION_EXIT && argc > 1) {
3566 uint8_t code;
3567
3568 /* If the exit code is not given on the command line,
3569 * don't reset it to zero: just keep it as it might
3570 * have been set previously. */
3571
3572 r = safe_atou8(argv[1], &code);
3573 if (r < 0)
3574 return log_error_errno(r, "Invalid exit code.");
3575
3576 r = set_exit_code(code);
3577 if (r < 0)
3578 return r;
3579 }
3580
3581 termination_action = IN_SET(a,
3582 ACTION_HALT,
3583 ACTION_POWEROFF,
3584 ACTION_REBOOT);
3585 if (termination_action && arg_force >= 2)
3586 return halt_now(a);
3587
3588 if (arg_force >= 1 &&
3589 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3590 r = trivial_method(argc, argv, userdata);
3591 else {
3592 /* First try logind, to allow authentication with polkit */
3593 if (IN_SET(a,
3594 ACTION_POWEROFF,
3595 ACTION_REBOOT,
3596 ACTION_HALT,
3597 ACTION_SUSPEND,
3598 ACTION_HIBERNATE,
3599 ACTION_HYBRID_SLEEP,
3600 ACTION_SUSPEND_THEN_HIBERNATE)) {
3601
3602 r = logind_reboot(a);
3603 if (r >= 0)
3604 return r;
3605 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3606 /* requested operation is not supported or already in progress */
3607 return r;
3608
3609 /* On all other errors, try low-level operation. In order to minimize the difference between
3610 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3611 * logind's shutdown operations are always non-blocking. */
3612
3613 arg_no_block = true;
3614
3615 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3616 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3617 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3618 arg_no_block = true;
3619
3620 r = start_unit(argc, argv, userdata);
3621 }
3622
3623 if (termination_action && arg_force < 2 &&
3624 IN_SET(r, -ENOENT, -ETIMEDOUT))
3625 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3626
3627 return r;
3628 }
3629
3630 static int start_system_special(int argc, char *argv[], void *userdata) {
3631 /* Like start_special above, but raises an error when running in user mode */
3632
3633 if (arg_scope != UNIT_FILE_SYSTEM) {
3634 log_error("Bad action for %s mode.",
3635 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3636 return -EINVAL;
3637 }
3638
3639 return start_special(argc, argv, userdata);
3640 }
3641
3642 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3643 _cleanup_strv_free_ char **names = NULL;
3644 UnitActiveState active_state;
3645 sd_bus *bus;
3646 char **name;
3647 int r, i;
3648 bool found = false;
3649
3650 r = acquire_bus(BUS_MANAGER, &bus);
3651 if (r < 0)
3652 return r;
3653
3654 r = expand_names(bus, args, NULL, &names);
3655 if (r < 0)
3656 return log_error_errno(r, "Failed to expand names: %m");
3657
3658 STRV_FOREACH(name, names) {
3659 r = get_state_one_unit(bus, *name, &active_state);
3660 if (r < 0)
3661 return r;
3662
3663 if (!arg_quiet)
3664 puts(unit_active_state_to_string(active_state));
3665
3666 for (i = 0; i < nb_states; ++i)
3667 if (good_states[i] == active_state)
3668 found = true;
3669 }
3670
3671 /* use the given return code for the case that we won't find
3672 * any unit which matches the list */
3673 return found ? 0 : code;
3674 }
3675
3676 static int check_unit_active(int argc, char *argv[], void *userdata) {
3677 const UnitActiveState states[] = { UNIT_ACTIVE, UNIT_RELOADING };
3678 /* According to LSB: 3, "program is not running" */
3679 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3680 }
3681
3682 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3683 const UnitActiveState states[] = { UNIT_FAILED };
3684 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3685 }
3686
3687 static int kill_unit(int argc, char *argv[], void *userdata) {
3688 _cleanup_strv_free_ char **names = NULL;
3689 char *kill_who = NULL, **name;
3690 sd_bus *bus;
3691 int r, q;
3692
3693 r = acquire_bus(BUS_MANAGER, &bus);
3694 if (r < 0)
3695 return r;
3696
3697 polkit_agent_open_maybe();
3698
3699 if (!arg_kill_who)
3700 arg_kill_who = "all";
3701
3702 /* --fail was specified */
3703 if (streq(arg_job_mode, "fail"))
3704 kill_who = strjoina(arg_kill_who, "-fail");
3705
3706 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3707 if (r < 0)
3708 return log_error_errno(r, "Failed to expand names: %m");
3709
3710 STRV_FOREACH(name, names) {
3711 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3712
3713 q = sd_bus_call_method(
3714 bus,
3715 "org.freedesktop.systemd1",
3716 "/org/freedesktop/systemd1",
3717 "org.freedesktop.systemd1.Manager",
3718 "KillUnit",
3719 &error,
3720 NULL,
3721 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3722 if (q < 0) {
3723 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3724 if (r == 0)
3725 r = q;
3726 }
3727 }
3728
3729 return r;
3730 }
3731
3732 typedef struct ExecStatusInfo {
3733 char *name;
3734
3735 char *path;
3736 char **argv;
3737
3738 bool ignore;
3739
3740 usec_t start_timestamp;
3741 usec_t exit_timestamp;
3742 pid_t pid;
3743 int code;
3744 int status;
3745
3746 LIST_FIELDS(struct ExecStatusInfo, exec);
3747 } ExecStatusInfo;
3748
3749 static void exec_status_info_free(ExecStatusInfo *i) {
3750 assert(i);
3751
3752 free(i->name);
3753 free(i->path);
3754 strv_free(i->argv);
3755 free(i);
3756 }
3757
3758 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3759 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3760 const char *path;
3761 uint32_t pid;
3762 int32_t code, status;
3763 int ignore, r;
3764
3765 assert(m);
3766 assert(i);
3767
3768 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3769 if (r < 0)
3770 return bus_log_parse_error(r);
3771 else if (r == 0)
3772 return 0;
3773
3774 r = sd_bus_message_read(m, "s", &path);
3775 if (r < 0)
3776 return bus_log_parse_error(r);
3777
3778 i->path = strdup(path);
3779 if (!i->path)
3780 return log_oom();
3781
3782 r = sd_bus_message_read_strv(m, &i->argv);
3783 if (r < 0)
3784 return bus_log_parse_error(r);
3785
3786 r = sd_bus_message_read(m,
3787 "bttttuii",
3788 &ignore,
3789 &start_timestamp, &start_timestamp_monotonic,
3790 &exit_timestamp, &exit_timestamp_monotonic,
3791 &pid,
3792 &code, &status);
3793 if (r < 0)
3794 return bus_log_parse_error(r);
3795
3796 i->ignore = ignore;
3797 i->start_timestamp = (usec_t) start_timestamp;
3798 i->exit_timestamp = (usec_t) exit_timestamp;
3799 i->pid = (pid_t) pid;
3800 i->code = code;
3801 i->status = status;
3802
3803 r = sd_bus_message_exit_container(m);
3804 if (r < 0)
3805 return bus_log_parse_error(r);
3806
3807 return 1;
3808 }
3809
3810 typedef struct UnitCondition {
3811 char *name;
3812 char *param;
3813 bool trigger;
3814 bool negate;
3815 int tristate;
3816
3817 LIST_FIELDS(struct UnitCondition, conditions);
3818 } UnitCondition;
3819
3820 static void unit_condition_free(UnitCondition *c) {
3821 if (!c)
3822 return;
3823
3824 free(c->name);
3825 free(c->param);
3826 free(c);
3827 }
3828
3829 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3830
3831 typedef struct UnitStatusInfo {
3832 const char *id;
3833 const char *load_state;
3834 const char *active_state;
3835 const char *sub_state;
3836 const char *unit_file_state;
3837 const char *unit_file_preset;
3838
3839 const char *description;
3840 const char *following;
3841
3842 char **documentation;
3843
3844 const char *fragment_path;
3845 const char *source_path;
3846 const char *control_group;
3847
3848 char **dropin_paths;
3849
3850 const char *load_error;
3851 const char *result;
3852
3853 usec_t inactive_exit_timestamp;
3854 usec_t inactive_exit_timestamp_monotonic;
3855 usec_t active_enter_timestamp;
3856 usec_t active_exit_timestamp;
3857 usec_t inactive_enter_timestamp;
3858
3859 bool need_daemon_reload;
3860 bool transient;
3861
3862 /* Service */
3863 pid_t main_pid;
3864 pid_t control_pid;
3865 const char *status_text;
3866 const char *pid_file;
3867 bool running:1;
3868 int status_errno;
3869
3870 usec_t start_timestamp;
3871 usec_t exit_timestamp;
3872
3873 int exit_code, exit_status;
3874
3875 usec_t condition_timestamp;
3876 bool condition_result;
3877 LIST_HEAD(UnitCondition, conditions);
3878
3879 usec_t assert_timestamp;
3880 bool assert_result;
3881 bool failed_assert_trigger;
3882 bool failed_assert_negate;
3883 const char *failed_assert;
3884 const char *failed_assert_parameter;
3885 usec_t next_elapse_real;
3886 usec_t next_elapse_monotonic;
3887
3888 /* Socket */
3889 unsigned n_accepted;
3890 unsigned n_connections;
3891 unsigned n_refused;
3892 bool accept;
3893
3894 /* Pairs of type, path */
3895 char **listen;
3896
3897 /* Device */
3898 const char *sysfs_path;
3899
3900 /* Mount, Automount */
3901 const char *where;
3902
3903 /* Swap */
3904 const char *what;
3905
3906 /* CGroup */
3907 uint64_t memory_current;
3908 uint64_t memory_low;
3909 uint64_t memory_high;
3910 uint64_t memory_max;
3911 uint64_t memory_swap_max;
3912 uint64_t memory_limit;
3913 uint64_t cpu_usage_nsec;
3914 uint64_t tasks_current;
3915 uint64_t tasks_max;
3916
3917 uint64_t ip_ingress_bytes;
3918 uint64_t ip_egress_bytes;
3919
3920 LIST_HEAD(ExecStatusInfo, exec);
3921 } UnitStatusInfo;
3922
3923 static void unit_status_info_free(UnitStatusInfo *info) {
3924 ExecStatusInfo *p;
3925 UnitCondition *c;
3926
3927 strv_free(info->documentation);
3928 strv_free(info->dropin_paths);
3929 strv_free(info->listen);
3930
3931 while ((c = info->conditions)) {
3932 LIST_REMOVE(conditions, info->conditions, c);
3933 unit_condition_free(c);
3934 }
3935
3936 while ((p = info->exec)) {
3937 LIST_REMOVE(exec, info->exec, p);
3938 exec_status_info_free(p);
3939 }
3940 }
3941
3942 static void print_status_info(
3943 sd_bus *bus,
3944 UnitStatusInfo *i,
3945 bool *ellipsized) {
3946
3947 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
3948 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
3949 _cleanup_free_ char *formatted_path = NULL;
3950 ExecStatusInfo *p;
3951 usec_t timestamp;
3952 const char *path;
3953 char **t, **t2;
3954 int r;
3955
3956 assert(i);
3957
3958 /* This shows pretty information about a unit. See
3959 * print_property() for a low-level property printer */
3960
3961 if (streq_ptr(i->active_state, "failed")) {
3962 active_on = ansi_highlight_red();
3963 active_off = ansi_normal();
3964 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
3965 active_on = ansi_highlight_green();
3966 active_off = ansi_normal();
3967 } else
3968 active_on = active_off = "";
3969
3970 printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id));
3971
3972 if (i->description && !streq_ptr(i->id, i->description))
3973 printf(" - %s", i->description);
3974
3975 printf("\n");
3976
3977 if (i->following)
3978 printf(" Follow: unit currently follows state of %s\n", i->following);
3979
3980 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
3981 on = ansi_highlight_red();
3982 off = ansi_normal();
3983 } else
3984 on = off = "";
3985
3986 path = i->source_path ?: i->fragment_path;
3987 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
3988 path = formatted_path;
3989
3990 if (!isempty(i->load_error))
3991 printf(" Loaded: %s%s%s (Reason: %s)\n",
3992 on, strna(i->load_state), off, i->load_error);
3993 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
3994 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
3995 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
3996 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
3997 else if (path && !isempty(i->unit_file_state))
3998 printf(" Loaded: %s%s%s (%s; %s)\n",
3999 on, strna(i->load_state), off, path, i->unit_file_state);
4000 else if (path)
4001 printf(" Loaded: %s%s%s (%s)\n",
4002 on, strna(i->load_state), off, path);
4003 else
4004 printf(" Loaded: %s%s%s\n",
4005 on, strna(i->load_state), off);
4006
4007 if (i->transient)
4008 printf("Transient: yes\n");
4009
4010 if (!strv_isempty(i->dropin_paths)) {
4011 _cleanup_free_ char *dir = NULL;
4012 bool last = false;
4013 char ** dropin;
4014
4015 STRV_FOREACH(dropin, i->dropin_paths) {
4016 _cleanup_free_ char *dropin_formatted = NULL;
4017 const char *df;
4018
4019 if (!dir || last) {
4020 printf(dir ? " " :
4021 " Drop-In: ");
4022
4023 dir = mfree(dir);
4024
4025 dir = dirname_malloc(*dropin);
4026 if (!dir) {
4027 log_oom();
4028 return;
4029 }
4030
4031 printf("%s\n"
4032 " %s", dir,
4033 special_glyph(TREE_RIGHT));
4034 }
4035
4036 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4037
4038 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4039 df = dropin_formatted;
4040 else
4041 df = *dropin;
4042
4043 printf("%s%s", df, last ? "\n" : ", ");
4044 }
4045 }
4046
4047 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4048 if (ss)
4049 printf(" Active: %s%s (%s)%s",
4050 active_on, strna(i->active_state), ss, active_off);
4051 else
4052 printf(" Active: %s%s%s",
4053 active_on, strna(i->active_state), active_off);
4054
4055 if (!isempty(i->result) && !streq(i->result, "success"))
4056 printf(" (Result: %s)", i->result);
4057
4058 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4059 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4060 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4061 i->active_exit_timestamp;
4062
4063 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4064 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4065
4066 if (s1)
4067 printf(" since %s; %s\n", s2, s1);
4068 else if (s2)
4069 printf(" since %s\n", s2);
4070 else
4071 printf("\n");
4072
4073 if (endswith(i->id, ".timer")) {
4074 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4075 tstamp2[FORMAT_TIMESTAMP_MAX];
4076 const char *next_rel_time, *next_time;
4077 dual_timestamp nw, next = {i->next_elapse_real,
4078 i->next_elapse_monotonic};
4079 usec_t next_elapse;
4080
4081 printf(" Trigger: ");
4082
4083 dual_timestamp_get(&nw);
4084 next_elapse = calc_next_elapse(&nw, &next);
4085 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4086 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4087
4088 if (next_time && next_rel_time)
4089 printf("%s; %s\n", next_time, next_rel_time);
4090 else
4091 printf("n/a\n");
4092 }
4093
4094 if (!i->condition_result && i->condition_timestamp > 0) {
4095 UnitCondition *c;
4096 int n = 0;
4097
4098 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4099 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4100
4101 printf("Condition: start %scondition failed%s at %s%s%s\n",
4102 ansi_highlight_yellow(), ansi_normal(),
4103 s2, s1 ? "; " : "", strempty(s1));
4104
4105 LIST_FOREACH(conditions, c, i->conditions)
4106 if (c->tristate < 0)
4107 n++;
4108
4109 LIST_FOREACH(conditions, c, i->conditions)
4110 if (c->tristate < 0)
4111 printf(" %s %s=%s%s%s was not met\n",
4112 --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT),
4113 c->name,
4114 c->trigger ? "|" : "",
4115 c->negate ? "!" : "",
4116 c->param);
4117 }
4118
4119 if (!i->assert_result && i->assert_timestamp > 0) {
4120 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4121 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4122
4123 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4124 ansi_highlight_red(), ansi_normal(),
4125 s2, s1 ? "; " : "", strempty(s1));
4126 if (i->failed_assert_trigger)
4127 printf(" none of the trigger assertions were met\n");
4128 else if (i->failed_assert)
4129 printf(" %s=%s%s was not met\n",
4130 i->failed_assert,
4131 i->failed_assert_negate ? "!" : "",
4132 i->failed_assert_parameter);
4133 }
4134
4135 if (i->sysfs_path)
4136 printf(" Device: %s\n", i->sysfs_path);
4137 if (i->where)
4138 printf(" Where: %s\n", i->where);
4139 if (i->what)
4140 printf(" What: %s\n", i->what);
4141
4142 STRV_FOREACH(t, i->documentation) {
4143 _cleanup_free_ char *formatted = NULL;
4144 const char *q;
4145
4146 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4147 q = formatted;
4148 else
4149 q = *t;
4150
4151 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4152 }
4153
4154 STRV_FOREACH_PAIR(t, t2, i->listen)
4155 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4156
4157 if (i->accept) {
4158 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4159 if (i->n_refused)
4160 printf(" Refused: %u", i->n_refused);
4161 printf("\n");
4162 }
4163
4164
4165 LIST_FOREACH(exec, p, i->exec) {
4166 _cleanup_free_ char *argv = NULL;
4167 bool good;
4168
4169 /* Only show exited processes here */
4170 if (p->code == 0)
4171 continue;
4172
4173 argv = strv_join(p->argv, " ");
4174 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4175
4176 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4177 if (!good) {
4178 on = ansi_highlight_red();
4179 off = ansi_normal();
4180 } else
4181 on = off = "";
4182
4183 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4184
4185 if (p->code == CLD_EXITED) {
4186 const char *c;
4187
4188 printf("status=%i", p->status);
4189
4190 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4191 if (c)
4192 printf("/%s", c);
4193
4194 } else
4195 printf("signal=%s", signal_to_string(p->status));
4196
4197 printf(")%s\n", off);
4198
4199 if (i->main_pid == p->pid &&
4200 i->start_timestamp == p->start_timestamp &&
4201 i->exit_timestamp == p->start_timestamp)
4202 /* Let's not show this twice */
4203 i->main_pid = 0;
4204
4205 if (p->pid == i->control_pid)
4206 i->control_pid = 0;
4207 }
4208
4209 if (i->main_pid > 0 || i->control_pid > 0) {
4210 if (i->main_pid > 0) {
4211 printf(" Main PID: "PID_FMT, i->main_pid);
4212
4213 if (i->running) {
4214
4215 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4216 _cleanup_free_ char *comm = NULL;
4217
4218 (void) get_process_comm(i->main_pid, &comm);
4219 if (comm)
4220 printf(" (%s)", comm);
4221 }
4222
4223 } else if (i->exit_code > 0) {
4224 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4225
4226 if (i->exit_code == CLD_EXITED) {
4227 const char *c;
4228
4229 printf("status=%i", i->exit_status);
4230
4231 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4232 if (c)
4233 printf("/%s", c);
4234
4235 } else
4236 printf("signal=%s", signal_to_string(i->exit_status));
4237 printf(")");
4238 }
4239 }
4240
4241 if (i->control_pid > 0) {
4242 _cleanup_free_ char *c = NULL;
4243
4244 if (i->main_pid > 0)
4245 fputs("; Control PID: ", stdout);
4246 else
4247 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4248
4249 printf(PID_FMT, i->control_pid);
4250
4251 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4252 (void) get_process_comm(i->control_pid, &c);
4253 if (c)
4254 printf(" (%s)", c);
4255 }
4256 }
4257
4258 printf("\n");
4259 }
4260
4261 if (i->status_text)
4262 printf(" Status: \"%s\"\n", i->status_text);
4263 if (i->status_errno > 0)
4264 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4265
4266 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4267 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4268
4269 printf(" IP: %s in, %s out\n",
4270 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4271 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4272 }
4273
4274 if (i->tasks_current != (uint64_t) -1) {
4275 printf(" Tasks: %" PRIu64, i->tasks_current);
4276
4277 if (i->tasks_max != (uint64_t) -1)
4278 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4279 else
4280 printf("\n");
4281 }
4282
4283 if (i->memory_current != (uint64_t) -1) {
4284 char buf[FORMAT_BYTES_MAX];
4285
4286 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4287
4288 if (i->memory_low > 0 || i->memory_high != CGROUP_LIMIT_MAX ||
4289 i->memory_max != CGROUP_LIMIT_MAX || i->memory_swap_max != CGROUP_LIMIT_MAX ||
4290 i->memory_limit != CGROUP_LIMIT_MAX) {
4291 const char *prefix = "";
4292
4293 printf(" (");
4294 if (i->memory_low > 0) {
4295 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4296 prefix = " ";
4297 }
4298 if (i->memory_high != CGROUP_LIMIT_MAX) {
4299 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4300 prefix = " ";
4301 }
4302 if (i->memory_max != CGROUP_LIMIT_MAX) {
4303 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4304 prefix = " ";
4305 }
4306 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4307 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4308 prefix = " ";
4309 }
4310 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4311 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4312 prefix = " ";
4313 }
4314 printf(")");
4315 }
4316 printf("\n");
4317 }
4318
4319 if (i->cpu_usage_nsec != (uint64_t) -1) {
4320 char buf[FORMAT_TIMESPAN_MAX];
4321 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4322 }
4323
4324 if (i->control_group) {
4325 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4326 static const char prefix[] = " ";
4327 unsigned c;
4328
4329 printf(" CGroup: %s\n", i->control_group);
4330
4331 c = columns();
4332 if (c > sizeof(prefix) - 1)
4333 c -= sizeof(prefix) - 1;
4334 else
4335 c = 0;
4336
4337 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4338 if (r == -EBADR) {
4339 unsigned k = 0;
4340 pid_t extra[2];
4341
4342 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4343
4344 if (i->main_pid > 0)
4345 extra[k++] = i->main_pid;
4346
4347 if (i->control_pid > 0)
4348 extra[k++] = i->control_pid;
4349
4350 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4351 } else if (r < 0)
4352 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4353 }
4354
4355 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4356 show_journal_by_unit(
4357 stdout,
4358 i->id,
4359 arg_output,
4360 0,
4361 i->inactive_exit_timestamp_monotonic,
4362 arg_lines,
4363 getuid(),
4364 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4365 SD_JOURNAL_LOCAL_ONLY,
4366 arg_scope == UNIT_FILE_SYSTEM,
4367 ellipsized);
4368
4369 if (i->need_daemon_reload)
4370 warn_unit_file_changed(i->id);
4371 }
4372
4373 static void show_unit_help(UnitStatusInfo *i) {
4374 char **p;
4375
4376 assert(i);
4377
4378 if (!i->documentation) {
4379 log_info("Documentation for %s not known.", i->id);
4380 return;
4381 }
4382
4383 STRV_FOREACH(p, i->documentation)
4384 if (startswith(*p, "man:"))
4385 show_man_page(*p + 4, false);
4386 else
4387 log_info("Can't show: %s", *p);
4388 }
4389
4390 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4391 UnitStatusInfo *i = userdata;
4392 uint32_t u;
4393 int r;
4394
4395 r = sd_bus_message_read(m, "u", &u);
4396 if (r < 0)
4397 return r;
4398
4399 i->main_pid = (pid_t) u;
4400 i->running = u > 0;
4401
4402 return 0;
4403 }
4404
4405 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4406 const char *n, *message;
4407 const char **p = userdata;
4408 int r;
4409
4410 r = sd_bus_message_read(m, "(ss)", &n, &message);
4411 if (r < 0)
4412 return r;
4413
4414 if (!isempty(message))
4415 *p = message;
4416
4417 return 0;
4418 }
4419
4420 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4421 const char *type, *path;
4422 char ***p = userdata;
4423 int r;
4424
4425 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4426 if (r < 0)
4427 return r;
4428
4429 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4430
4431 r = strv_extend(p, type);
4432 if (r < 0)
4433 return r;
4434
4435 r = strv_extend(p, path);
4436 if (r < 0)
4437 return r;
4438 }
4439 if (r < 0)
4440 return r;
4441
4442 r = sd_bus_message_exit_container(m);
4443 if (r < 0)
4444 return r;
4445
4446 return 0;
4447 }
4448
4449 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4450 UnitStatusInfo *i = userdata;
4451 const char *cond, *param;
4452 int trigger, negate;
4453 int32_t state;
4454 int r;
4455
4456 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4457 if (r < 0)
4458 return r;
4459
4460 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4461 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4462
4463 c = new0(UnitCondition, 1);
4464 if (!c)
4465 return -ENOMEM;
4466
4467 c->name = strdup(cond);
4468 c->param = strdup(param);
4469 if (!c->name || !c->param)
4470 return -ENOMEM;
4471
4472 c->trigger = trigger;
4473 c->negate = negate;
4474 c->tristate = state;
4475
4476 LIST_PREPEND(conditions, i->conditions, c);
4477 c = NULL;
4478 }
4479 if (r < 0)
4480 return r;
4481
4482 r = sd_bus_message_exit_container(m);
4483 if (r < 0)
4484 return r;
4485
4486 return 0;
4487 }
4488
4489 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4490 UnitStatusInfo *i = userdata;
4491 const char *cond, *param;
4492 int trigger, negate;
4493 int32_t state;
4494 int r;
4495
4496 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4497 if (r < 0)
4498 return r;
4499
4500 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4501 if (state < 0 && (!trigger || !i->failed_assert)) {
4502 i->failed_assert = cond;
4503 i->failed_assert_trigger = trigger;
4504 i->failed_assert_negate = negate;
4505 i->failed_assert_parameter = param;
4506 }
4507 }
4508 if (r < 0)
4509 return r;
4510
4511 r = sd_bus_message_exit_container(m);
4512 if (r < 0)
4513 return r;
4514
4515 return 0;
4516 }
4517
4518 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4519 _cleanup_free_ ExecStatusInfo *info = NULL;
4520 UnitStatusInfo *i = userdata;
4521 int r;
4522
4523 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4524 if (r < 0)
4525 return r;
4526
4527 info = new0(ExecStatusInfo, 1);
4528 if (!info)
4529 return -ENOMEM;
4530
4531 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4532
4533 info->name = strdup(member);
4534 if (!info->name)
4535 return -ENOMEM;
4536
4537 LIST_PREPEND(exec, i->exec, info);
4538
4539 info = new0(ExecStatusInfo, 1);
4540 if (!info)
4541 return -ENOMEM;
4542 }
4543 if (r < 0)
4544 return r;
4545
4546 r = sd_bus_message_exit_container(m);
4547 if (r < 0)
4548 return r;
4549
4550 return 0;
4551 }
4552
4553 #define print_prop(name, fmt, ...) \
4554 do { \
4555 if (arg_value) \
4556 printf(fmt "\n", __VA_ARGS__); \
4557 else \
4558 printf("%s=" fmt "\n", name, __VA_ARGS__); \
4559 } while (0)
4560
4561 static int print_property(const char *name, sd_bus_message *m, bool value, bool all) {
4562 char bus_type;
4563 const char *contents;
4564 int r;
4565
4566 assert(name);
4567 assert(m);
4568
4569 /* This is a low-level property printer, see
4570 * print_status_info() for the nicer output */
4571
4572 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4573 if (r < 0)
4574 return r;
4575
4576 switch (bus_type) {
4577
4578 case SD_BUS_TYPE_STRUCT:
4579
4580 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4581 uint32_t u;
4582
4583 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4584 if (r < 0)
4585 return bus_log_parse_error(r);
4586
4587 if (u > 0)
4588 print_prop(name, "%"PRIu32, u);
4589 else if (all)
4590 print_prop(name, "%s", "");
4591
4592 return 1;
4593
4594 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4595 const char *s;
4596
4597 r = sd_bus_message_read(m, "(so)", &s, NULL);
4598 if (r < 0)
4599 return bus_log_parse_error(r);
4600
4601 if (all || !isempty(s))
4602 print_prop(name, "%s", s);
4603
4604 return 1;
4605
4606 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4607 const char *a = NULL, *b = NULL;
4608
4609 r = sd_bus_message_read(m, "(ss)", &a, &b);
4610 if (r < 0)
4611 return bus_log_parse_error(r);
4612
4613 if (all || !isempty(a) || !isempty(b))
4614 print_prop(name, "%s \"%s\"", strempty(a), strempty(b));
4615
4616 return 1;
4617 } else if (streq_ptr(name, "SystemCallFilter")) {
4618 _cleanup_strv_free_ char **l = NULL;
4619 int whitelist;
4620
4621 r = sd_bus_message_enter_container(m, 'r', "bas");
4622 if (r < 0)
4623 return bus_log_parse_error(r);
4624
4625 r = sd_bus_message_read(m, "b", &whitelist);
4626 if (r < 0)
4627 return bus_log_parse_error(r);
4628
4629 r = sd_bus_message_read_strv(m, &l);
4630 if (r < 0)
4631 return bus_log_parse_error(r);
4632
4633 r = sd_bus_message_exit_container(m);
4634 if (r < 0)
4635 return bus_log_parse_error(r);
4636
4637 if (all || whitelist || !strv_isempty(l)) {
4638 bool first = true;
4639 char **i;
4640
4641 if (!value) {
4642 fputs(name, stdout);
4643 fputc('=', stdout);
4644 }
4645
4646 if (!whitelist)
4647 fputc('~', stdout);
4648
4649 STRV_FOREACH(i, l) {
4650 if (first)
4651 first = false;
4652 else
4653 fputc(' ', stdout);
4654
4655 fputs(*i, stdout);
4656 }
4657 fputc('\n', stdout);
4658 }
4659
4660 return 1;
4661 }
4662
4663 break;
4664
4665 case SD_BUS_TYPE_ARRAY:
4666
4667 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4668 const char *path;
4669 int ignore;
4670
4671 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4672 if (r < 0)
4673 return bus_log_parse_error(r);
4674
4675 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4676 print_prop(name, "%s (ignore_errors=%s)", path, yes_no(ignore));
4677
4678 if (r < 0)
4679 return bus_log_parse_error(r);
4680
4681 r = sd_bus_message_exit_container(m);
4682 if (r < 0)
4683 return bus_log_parse_error(r);
4684
4685 return 1;
4686
4687 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4688 const char *type, *path;
4689
4690 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4691 if (r < 0)
4692 return bus_log_parse_error(r);
4693
4694 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4695 print_prop(name, "%s (%s)", path, type);
4696 if (r < 0)
4697 return bus_log_parse_error(r);
4698
4699 r = sd_bus_message_exit_container(m);
4700 if (r < 0)
4701 return bus_log_parse_error(r);
4702
4703 return 1;
4704
4705 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4706 const char *type, *path;
4707
4708 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4709 if (r < 0)
4710 return bus_log_parse_error(r);
4711
4712 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4713 print_prop(name, "%s (%s)", path, type);
4714 if (r < 0)
4715 return bus_log_parse_error(r);
4716
4717 r = sd_bus_message_exit_container(m);
4718 if (r < 0)
4719 return bus_log_parse_error(r);
4720
4721 return 1;
4722
4723 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4724 const char *base;
4725 uint64_t v, next_elapse;
4726
4727 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4728 if (r < 0)
4729 return bus_log_parse_error(r);
4730
4731 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4732 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4733
4734 print_prop(name, "{ %s=%s ; next_elapse=%s }", base,
4735 format_timespan(timespan1, sizeof(timespan1), v, 0),
4736 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4737 }
4738 if (r < 0)
4739 return bus_log_parse_error(r);
4740
4741 r = sd_bus_message_exit_container(m);
4742 if (r < 0)
4743 return bus_log_parse_error(r);
4744
4745 return 1;
4746
4747 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
4748 const char *base, *spec;
4749 uint64_t next_elapse;
4750
4751 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
4752 if (r < 0)
4753 return bus_log_parse_error(r);
4754
4755 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
4756 char timestamp[FORMAT_TIMESTAMP_MAX];
4757
4758 print_prop(name, "{ %s=%s ; next_elapse=%s }", base, spec,
4759 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
4760 }
4761 if (r < 0)
4762 return bus_log_parse_error(r);
4763
4764 r = sd_bus_message_exit_container(m);
4765 if (r < 0)
4766 return bus_log_parse_error(r);
4767
4768 return 1;
4769
4770 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4771 ExecStatusInfo info = {};
4772
4773 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4774 if (r < 0)
4775 return bus_log_parse_error(r);
4776
4777 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4778 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4779 _cleanup_free_ char *tt;
4780
4781 tt = strv_join(info.argv, " ");
4782
4783 print_prop(name,
4784 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
4785 strna(info.path),
4786 strna(tt),
4787 yes_no(info.ignore),
4788 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4789 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4790 info.pid,
4791 sigchld_code_to_string(info.code),
4792 info.status,
4793 info.code == CLD_EXITED ? "" : "/",
4794 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4795
4796 free(info.path);
4797 strv_free(info.argv);
4798 zero(info);
4799 }
4800
4801 r = sd_bus_message_exit_container(m);
4802 if (r < 0)
4803 return bus_log_parse_error(r);
4804
4805 return 1;
4806
4807 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4808 const char *path, *rwm;
4809
4810 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4811 if (r < 0)
4812 return bus_log_parse_error(r);
4813
4814 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4815 print_prop(name, "%s %s", strna(path), strna(rwm));
4816 if (r < 0)
4817 return bus_log_parse_error(r);
4818
4819 r = sd_bus_message_exit_container(m);
4820 if (r < 0)
4821 return bus_log_parse_error(r);
4822
4823 return 1;
4824
4825 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4826 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
4827 const char *path;
4828 uint64_t weight;
4829
4830 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4831 if (r < 0)
4832 return bus_log_parse_error(r);
4833
4834 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4835 print_prop(name, "%s %"PRIu64, strna(path), weight);
4836 if (r < 0)
4837 return bus_log_parse_error(r);
4838
4839 r = sd_bus_message_exit_container(m);
4840 if (r < 0)
4841 return bus_log_parse_error(r);
4842
4843 return 1;
4844
4845 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4846 (cgroup_io_limit_type_from_string(name) >= 0 ||
4847 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
4848 const char *path;
4849 uint64_t bandwidth;
4850
4851 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4852 if (r < 0)
4853 return bus_log_parse_error(r);
4854
4855 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
4856 print_prop(name, "%s %"PRIu64, strna(path), bandwidth);
4857 if (r < 0)
4858 return bus_log_parse_error(r);
4859
4860 r = sd_bus_message_exit_container(m);
4861 if (r < 0)
4862 return bus_log_parse_error(r);
4863
4864 return 1;
4865
4866 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
4867 _cleanup_free_ char *h = NULL;
4868 const void *p;
4869 size_t sz;
4870 ssize_t n;
4871
4872 r = sd_bus_message_read_array(m, 'y', &p, &sz);
4873 if (r < 0)
4874 return bus_log_parse_error(r);
4875
4876 n = base64mem(p, sz, &h);
4877 if (n < 0)
4878 return log_oom();
4879
4880 print_prop(name, "%s", h);
4881
4882 return 1;
4883 }
4884
4885 break;
4886 }
4887
4888 return 0;
4889 }
4890
4891 typedef enum SystemctlShowMode{
4892 SYSTEMCTL_SHOW_PROPERTIES,
4893 SYSTEMCTL_SHOW_STATUS,
4894 SYSTEMCTL_SHOW_HELP,
4895 _SYSTEMCTL_SHOW_MODE_MAX,
4896 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
4897 } SystemctlShowMode;
4898
4899 static const char* const systemctl_show_mode_table[] = {
4900 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
4901 [SYSTEMCTL_SHOW_STATUS] = "status",
4902 [SYSTEMCTL_SHOW_HELP] = "help",
4903 };
4904
4905 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
4906
4907 static int show_one(
4908 sd_bus *bus,
4909 const char *path,
4910 const char *unit,
4911 SystemctlShowMode show_mode,
4912 bool *new_line,
4913 bool *ellipsized) {
4914
4915 static const struct bus_properties_map property_map[] = {
4916 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
4917 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
4918 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
4919 {}
4920 }, status_map[] = {
4921 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
4922 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
4923 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
4924 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
4925 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
4926 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
4927 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
4928 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
4929 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
4930 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
4931 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
4932 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
4933 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
4934 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
4935 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
4936 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
4937 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
4938 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
4939 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
4940 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
4941 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
4942 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
4943 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
4944 { "MainPID", "u", map_main_pid, 0 },
4945 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
4946 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
4947 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
4948 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
4949 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
4950 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
4951 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
4952 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
4953 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
4954 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
4955 { "Conditions", "a(sbbsi)", map_conditions, 0 },
4956 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
4957 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
4958 { "Asserts", "a(sbbsi)", map_asserts, 0 },
4959 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
4960 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
4961 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
4962 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
4963 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
4964 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
4965 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
4966 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
4967 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
4968 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
4969 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
4970 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
4971 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
4972 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
4973 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
4974 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
4975 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
4976 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
4977 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
4978 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
4979 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
4980 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
4981 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
4982 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
4983 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
4984 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
4985 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
4986 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
4987 {}
4988 };
4989
4990 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
4991 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4992 _cleanup_set_free_ Set *found_properties = NULL;
4993 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
4994 .memory_current = (uint64_t) -1,
4995 .memory_high = CGROUP_LIMIT_MAX,
4996 .memory_max = CGROUP_LIMIT_MAX,
4997 .memory_swap_max = CGROUP_LIMIT_MAX,
4998 .memory_limit = (uint64_t) -1,
4999 .cpu_usage_nsec = (uint64_t) -1,
5000 .tasks_current = (uint64_t) -1,
5001 .tasks_max = (uint64_t) -1,
5002 .ip_ingress_bytes = (uint64_t) -1,
5003 .ip_egress_bytes = (uint64_t) -1,
5004 };
5005 char **pp;
5006 int r;
5007
5008 assert(path);
5009 assert(new_line);
5010
5011 log_debug("Showing one %s", path);
5012
5013 r = bus_map_all_properties(
5014 bus,
5015 "org.freedesktop.systemd1",
5016 path,
5017 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5018 BUS_MAP_BOOLEAN_AS_BOOL,
5019 &error,
5020 &reply,
5021 &info);
5022 if (r < 0)
5023 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5024
5025 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5026 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5027 "Unit %s could not be found.", unit);
5028
5029 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5030 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5031 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5032 return -ENOENT;
5033 }
5034
5035 if (*new_line)
5036 printf("\n");
5037
5038 *new_line = true;
5039
5040 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5041 print_status_info(bus, &info, ellipsized);
5042
5043 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5044 return EXIT_PROGRAM_NOT_RUNNING;
5045
5046 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5047
5048 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5049 show_unit_help(&info);
5050 return 0;
5051 }
5052
5053 r = sd_bus_message_rewind(reply, true);
5054 if (r < 0)
5055 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5056
5057 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5058 if (r < 0)
5059 return bus_log_parse_error(r);
5060
5061 STRV_FOREACH(pp, arg_properties)
5062 if (!set_contains(found_properties, *pp))
5063 log_debug("Property %s does not exist.", *pp);
5064
5065 return 0;
5066 }
5067
5068 static int get_unit_dbus_path_by_pid(
5069 sd_bus *bus,
5070 uint32_t pid,
5071 char **unit) {
5072
5073 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5074 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5075 char *u;
5076 int r;
5077
5078 r = sd_bus_call_method(
5079 bus,
5080 "org.freedesktop.systemd1",
5081 "/org/freedesktop/systemd1",
5082 "org.freedesktop.systemd1.Manager",
5083 "GetUnitByPID",
5084 &error,
5085 &reply,
5086 "u", pid);
5087 if (r < 0)
5088 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5089
5090 r = sd_bus_message_read(reply, "o", &u);
5091 if (r < 0)
5092 return bus_log_parse_error(r);
5093
5094 u = strdup(u);
5095 if (!u)
5096 return log_oom();
5097
5098 *unit = u;
5099 return 0;
5100 }
5101
5102 static int show_all(
5103 sd_bus *bus,
5104 bool *new_line,
5105 bool *ellipsized) {
5106
5107 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5108 _cleanup_free_ UnitInfo *unit_infos = NULL;
5109 const UnitInfo *u;
5110 unsigned c;
5111 int r, ret = 0;
5112
5113 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5114 if (r < 0)
5115 return r;
5116
5117 (void) pager_open(arg_no_pager, false);
5118
5119 c = (unsigned) r;
5120
5121 qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info);
5122
5123 for (u = unit_infos; u < unit_infos + c; u++) {
5124 _cleanup_free_ char *p = NULL;
5125
5126 p = unit_dbus_path_from_name(u->id);
5127 if (!p)
5128 return log_oom();
5129
5130 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5131 if (r < 0)
5132 return r;
5133 else if (r > 0 && ret == 0)
5134 ret = r;
5135 }
5136
5137 return ret;
5138 }
5139
5140 static int show_system_status(sd_bus *bus) {
5141 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5142 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5143 _cleanup_(machine_info_clear) struct machine_info mi = {};
5144 _cleanup_free_ char *hn = NULL;
5145 const char *on, *off;
5146 int r;
5147
5148 hn = gethostname_malloc();
5149 if (!hn)
5150 return log_oom();
5151
5152 r = bus_map_all_properties(
5153 bus,
5154 "org.freedesktop.systemd1",
5155 "/org/freedesktop/systemd1",
5156 machine_info_property_map,
5157 BUS_MAP_STRDUP,
5158 &error,
5159 NULL,
5160 &mi);
5161 if (r < 0)
5162 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5163
5164 if (streq_ptr(mi.state, "degraded")) {
5165 on = ansi_highlight_red();
5166 off = ansi_normal();
5167 } else if (streq_ptr(mi.state, "running")) {
5168 on = ansi_highlight_green();
5169 off = ansi_normal();
5170 } else {
5171 on = ansi_highlight_yellow();
5172 off = ansi_normal();
5173 }
5174
5175 printf("%s%s%s %s\n", on, special_glyph(BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5176
5177 printf(" State: %s%s%s\n",
5178 on, strna(mi.state), off);
5179
5180 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5181 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5182
5183 printf(" Since: %s; %s\n",
5184 format_timestamp(since2, sizeof(since2), mi.timestamp),
5185 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5186
5187 printf(" CGroup: %s\n", mi.control_group ?: "/");
5188 if (IN_SET(arg_transport,
5189 BUS_TRANSPORT_LOCAL,
5190 BUS_TRANSPORT_MACHINE)) {
5191 static const char prefix[] = " ";
5192 unsigned c;
5193
5194 c = columns();
5195 if (c > sizeof(prefix) - 1)
5196 c -= sizeof(prefix) - 1;
5197 else
5198 c = 0;
5199
5200 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5201 }
5202
5203 return 0;
5204 }
5205
5206 static int show(int argc, char *argv[], void *userdata) {
5207 bool new_line = false, ellipsized = false;
5208 SystemctlShowMode show_mode;
5209 int r, ret = 0;
5210 sd_bus *bus;
5211
5212 assert(argv);
5213
5214 show_mode = systemctl_show_mode_from_string(argv[0]);
5215 if (show_mode < 0) {
5216 log_error("Invalid argument.");
5217 return -EINVAL;
5218 }
5219
5220 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1) {
5221 log_error("This command expects one or more unit names. Did you mean --help?");
5222 return -EINVAL;
5223 }
5224
5225 r = acquire_bus(BUS_MANAGER, &bus);
5226 if (r < 0)
5227 return r;
5228
5229 (void) pager_open(arg_no_pager, false);
5230
5231 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5232 /* Increase max number of open files to 16K if we can, we
5233 * might needs this when browsing journal files, which might
5234 * be split up into many files. */
5235 setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
5236
5237 /* If no argument is specified inspect the manager itself */
5238 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5239 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5240
5241 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5242
5243 show_system_status(bus);
5244 new_line = true;
5245
5246 if (arg_all)
5247 ret = show_all(bus, &new_line, &ellipsized);
5248 } else {
5249 _cleanup_free_ char **patterns = NULL;
5250 char **name;
5251
5252 STRV_FOREACH(name, strv_skip(argv, 1)) {
5253 _cleanup_free_ char *path = NULL, *unit = NULL;
5254 uint32_t id;
5255
5256 if (safe_atou32(*name, &id) < 0) {
5257 if (strv_push(&patterns, *name) < 0)
5258 return log_oom();
5259
5260 continue;
5261 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5262 /* Interpret as job id */
5263 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5264 return log_oom();
5265
5266 } else {
5267 /* Interpret as PID */
5268 r = get_unit_dbus_path_by_pid(bus, id, &path);
5269 if (r < 0) {
5270 ret = r;
5271 continue;
5272 }
5273
5274 r = unit_name_from_dbus_path(path, &unit);
5275 if (r < 0)
5276 return log_oom();
5277 }
5278
5279 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5280 if (r < 0)
5281 return r;
5282 else if (r > 0 && ret == 0)
5283 ret = r;
5284 }
5285
5286 if (!strv_isempty(patterns)) {
5287 _cleanup_strv_free_ char **names = NULL;
5288
5289 r = expand_names(bus, patterns, NULL, &names);
5290 if (r < 0)
5291 return log_error_errno(r, "Failed to expand names: %m");
5292
5293 STRV_FOREACH(name, names) {
5294 _cleanup_free_ char *path;
5295
5296 path = unit_dbus_path_from_name(*name);
5297 if (!path)
5298 return log_oom();
5299
5300 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5301 if (r < 0)
5302 return r;
5303 if (r > 0 && ret == 0)
5304 ret = r;
5305 }
5306 }
5307 }
5308
5309 if (ellipsized && !arg_quiet)
5310 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5311
5312 return ret;
5313 }
5314
5315 static int cat(int argc, char *argv[], void *userdata) {
5316 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5317 _cleanup_strv_free_ char **names = NULL;
5318 char **name;
5319 sd_bus *bus;
5320 bool first = true;
5321 int r;
5322
5323 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5324 log_error("Cannot remotely cat units.");
5325 return -EINVAL;
5326 }
5327
5328 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5329 if (r < 0)
5330 return log_error_errno(r, "Failed to determine unit paths: %m");
5331
5332 r = acquire_bus(BUS_MANAGER, &bus);
5333 if (r < 0)
5334 return r;
5335
5336 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5337 if (r < 0)
5338 return log_error_errno(r, "Failed to expand names: %m");
5339
5340 (void) pager_open(arg_no_pager, false);
5341
5342 STRV_FOREACH(name, names) {
5343 _cleanup_free_ char *fragment_path = NULL;
5344 _cleanup_strv_free_ char **dropin_paths = NULL;
5345
5346 r = unit_find_paths(bus, *name, &lp, &fragment_path, &dropin_paths);
5347 if (r < 0)
5348 return r;
5349 else if (r == 0)
5350 return -ENOENT;
5351
5352 if (first)
5353 first = false;
5354 else
5355 puts("");
5356
5357 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5358 fprintf(stderr,
5359 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5360 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5361 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5362 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5363 ansi_highlight_red(),
5364 *name,
5365 ansi_highlight_red(),
5366 ansi_highlight_red(),
5367 ansi_highlight_red(),
5368 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5369 ansi_normal());
5370
5371 r = cat_files(fragment_path, dropin_paths, 0);
5372 if (r < 0)
5373 return r;
5374 }
5375
5376 return 0;
5377 }
5378
5379 static int set_property(int argc, char *argv[], void *userdata) {
5380 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5381 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5382 _cleanup_free_ char *n = NULL;
5383 UnitType t;
5384 sd_bus *bus;
5385 int r;
5386
5387 r = acquire_bus(BUS_MANAGER, &bus);
5388 if (r < 0)
5389 return r;
5390
5391 polkit_agent_open_maybe();
5392
5393 r = sd_bus_message_new_method_call(
5394 bus,
5395 &m,
5396 "org.freedesktop.systemd1",
5397 "/org/freedesktop/systemd1",
5398 "org.freedesktop.systemd1.Manager",
5399 "SetUnitProperties");
5400 if (r < 0)
5401 return bus_log_create_error(r);
5402
5403 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5404 if (r < 0)
5405 return log_error_errno(r, "Failed to mangle unit name: %m");
5406
5407 t = unit_name_to_type(n);
5408 if (t < 0) {
5409 log_error("Invalid unit type: %s", n);
5410 return -EINVAL;
5411 }
5412
5413 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5414 if (r < 0)
5415 return bus_log_create_error(r);
5416
5417 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5418 if (r < 0)
5419 return bus_log_create_error(r);
5420
5421 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5422 if (r < 0)
5423 return r;
5424
5425 r = sd_bus_message_close_container(m);
5426 if (r < 0)
5427 return bus_log_create_error(r);
5428
5429 r = sd_bus_call(bus, m, 0, &error, NULL);
5430 if (r < 0)
5431 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5432
5433 return 0;
5434 }
5435
5436 static int daemon_reload(int argc, char *argv[], void *userdata) {
5437 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5438 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5439 const char *method;
5440 sd_bus *bus;
5441 int r;
5442
5443 r = acquire_bus(BUS_MANAGER, &bus);
5444 if (r < 0)
5445 return r;
5446
5447 polkit_agent_open_maybe();
5448
5449 switch (arg_action) {
5450
5451 case ACTION_RELOAD:
5452 method = "Reload";
5453 break;
5454
5455 case ACTION_REEXEC:
5456 method = "Reexecute";
5457 break;
5458
5459 case ACTION_SYSTEMCTL:
5460 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5461 /* "daemon-reload" */ "Reload";
5462 break;
5463
5464 default:
5465 assert_not_reached("Unexpected action");
5466 }
5467
5468 r = sd_bus_message_new_method_call(
5469 bus,
5470 &m,
5471 "org.freedesktop.systemd1",
5472 "/org/freedesktop/systemd1",
5473 "org.freedesktop.systemd1.Manager",
5474 method);
5475 if (r < 0)
5476 return bus_log_create_error(r);
5477
5478 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5479 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5480 * their timeout, and for everything else there's the same time budget in place. */
5481
5482 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5483
5484 /* On reexecution, we expect a disconnect, not a reply */
5485 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
5486 r = 0;
5487
5488 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5489 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
5490
5491 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5492 * old ways of doing things, hence don't log any error in that case here. */
5493
5494 return r < 0 ? r : 0;
5495 }
5496
5497 static int trivial_method(int argc, char *argv[], void *userdata) {
5498 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5499 const char *method;
5500 sd_bus *bus;
5501 int r;
5502
5503 if (arg_dry_run)
5504 return 0;
5505
5506 r = acquire_bus(BUS_MANAGER, &bus);
5507 if (r < 0)
5508 return r;
5509
5510 polkit_agent_open_maybe();
5511
5512 method =
5513 streq(argv[0], "clear-jobs") ||
5514 streq(argv[0], "cancel") ? "ClearJobs" :
5515 streq(argv[0], "reset-failed") ? "ResetFailed" :
5516 streq(argv[0], "halt") ? "Halt" :
5517 streq(argv[0], "reboot") ? "Reboot" :
5518 streq(argv[0], "kexec") ? "KExec" :
5519 streq(argv[0], "exit") ? "Exit" :
5520 /* poweroff */ "PowerOff";
5521
5522 r = sd_bus_call_method(
5523 bus,
5524 "org.freedesktop.systemd1",
5525 "/org/freedesktop/systemd1",
5526 "org.freedesktop.systemd1.Manager",
5527 method,
5528 &error,
5529 NULL,
5530 NULL);
5531 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5532 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
5533
5534 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5535 * old ways of doing things, hence don't log any error in that case here. */
5536
5537 return r < 0 ? r : 0;
5538 }
5539
5540 static int reset_failed(int argc, char *argv[], void *userdata) {
5541 _cleanup_strv_free_ char **names = NULL;
5542 sd_bus *bus;
5543 char **name;
5544 int r, q;
5545
5546 if (argc <= 1)
5547 return trivial_method(argc, argv, userdata);
5548
5549 r = acquire_bus(BUS_MANAGER, &bus);
5550 if (r < 0)
5551 return r;
5552
5553 polkit_agent_open_maybe();
5554
5555 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5556 if (r < 0)
5557 return log_error_errno(r, "Failed to expand names: %m");
5558
5559 STRV_FOREACH(name, names) {
5560 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5561
5562 q = sd_bus_call_method(
5563 bus,
5564 "org.freedesktop.systemd1",
5565 "/org/freedesktop/systemd1",
5566 "org.freedesktop.systemd1.Manager",
5567 "ResetFailedUnit",
5568 &error,
5569 NULL,
5570 "s", *name);
5571 if (q < 0) {
5572 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
5573 if (r == 0)
5574 r = q;
5575 }
5576 }
5577
5578 return r;
5579 }
5580
5581 static int print_variable(const char *s) {
5582 const char *sep;
5583 _cleanup_free_ char *esc = NULL;
5584
5585 sep = strchr(s, '=');
5586 if (!sep) {
5587 log_error("Invalid environment block");
5588 return -EUCLEAN;
5589 }
5590
5591 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
5592 if (!esc)
5593 return log_oom();
5594
5595 printf("%.*s=%s\n", (int)(sep-s), s, esc);
5596 return 0;
5597 }
5598
5599 static int show_environment(int argc, char *argv[], void *userdata) {
5600 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5601 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5602 const char *text;
5603 sd_bus *bus;
5604 int r;
5605
5606 r = acquire_bus(BUS_MANAGER, &bus);
5607 if (r < 0)
5608 return r;
5609
5610 (void) pager_open(arg_no_pager, false);
5611
5612 r = sd_bus_get_property(
5613 bus,
5614 "org.freedesktop.systemd1",
5615 "/org/freedesktop/systemd1",
5616 "org.freedesktop.systemd1.Manager",
5617 "Environment",
5618 &error,
5619 &reply,
5620 "as");
5621 if (r < 0)
5622 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
5623
5624 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
5625 if (r < 0)
5626 return bus_log_parse_error(r);
5627
5628 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
5629 r = print_variable(text);
5630 if (r < 0)
5631 return r;
5632 }
5633 if (r < 0)
5634 return bus_log_parse_error(r);
5635
5636 r = sd_bus_message_exit_container(reply);
5637 if (r < 0)
5638 return bus_log_parse_error(r);
5639
5640 return 0;
5641 }
5642
5643 static int switch_root(int argc, char *argv[], void *userdata) {
5644 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5645 _cleanup_free_ char *cmdline_init = NULL;
5646 const char *root, *init;
5647 sd_bus *bus;
5648 int r;
5649
5650 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5651 log_error("Cannot switch root remotely.");
5652 return -EINVAL;
5653 }
5654
5655 if (argc < 2 || argc > 3) {
5656 log_error("Wrong number of arguments.");
5657 return -EINVAL;
5658 }
5659
5660 root = argv[1];
5661
5662 if (argc >= 3)
5663 init = argv[2];
5664 else {
5665 r = parse_env_file(NULL, "/proc/cmdline", WHITESPACE,
5666 "init", &cmdline_init,
5667 NULL);
5668 if (r < 0)
5669 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
5670
5671 init = cmdline_init;
5672 }
5673
5674 init = empty_to_null(init);
5675 if (init) {
5676 const char *root_systemd_path = NULL, *root_init_path = NULL;
5677
5678 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
5679 root_init_path = strjoina(root, "/", init);
5680
5681 /* If the passed init is actually the same as the
5682 * systemd binary, then let's suppress it. */
5683 if (files_same(root_init_path, root_systemd_path, 0) > 0)
5684 init = NULL;
5685 }
5686
5687 /* Instruct PID1 to exclude us from its killing spree applied during
5688 * the transition. Otherwise we would exit with a failure status even
5689 * though the switch to the new root has succeed. */
5690 argv_cmdline[0] = '@';
5691
5692 r = acquire_bus(BUS_MANAGER, &bus);
5693 if (r < 0)
5694 return r;
5695
5696 /* If we are slow to exit after the root switch, the new systemd instance
5697 * will send us a signal to terminate. Just ignore it and exit normally.
5698 * This way the unit does not end up as failed.
5699 */
5700 r = ignore_signals(SIGTERM, -1);
5701 if (r < 0)
5702 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
5703
5704 log_debug("Switching root - root: %s; init: %s", root, strna(init));
5705
5706 r = sd_bus_call_method(
5707 bus,
5708 "org.freedesktop.systemd1",
5709 "/org/freedesktop/systemd1",
5710 "org.freedesktop.systemd1.Manager",
5711 "SwitchRoot",
5712 &error,
5713 NULL,
5714 "ss", root, init);
5715 if (r < 0) {
5716 (void) default_signals(SIGTERM, -1);
5717
5718 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
5719 }
5720
5721 return 0;
5722 }
5723
5724 static int set_environment(int argc, char *argv[], void *userdata) {
5725 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5726 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5727 const char *method;
5728 sd_bus *bus;
5729 int r;
5730
5731 assert(argc > 1);
5732 assert(argv);
5733
5734 r = acquire_bus(BUS_MANAGER, &bus);
5735 if (r < 0)
5736 return r;
5737
5738 polkit_agent_open_maybe();
5739
5740 method = streq(argv[0], "set-environment")
5741 ? "SetEnvironment"
5742 : "UnsetEnvironment";
5743
5744 r = sd_bus_message_new_method_call(
5745 bus,
5746 &m,
5747 "org.freedesktop.systemd1",
5748 "/org/freedesktop/systemd1",
5749 "org.freedesktop.systemd1.Manager",
5750 method);
5751 if (r < 0)
5752 return bus_log_create_error(r);
5753
5754 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
5755 if (r < 0)
5756 return bus_log_create_error(r);
5757
5758 r = sd_bus_call(bus, m, 0, &error, NULL);
5759 if (r < 0)
5760 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
5761
5762 return 0;
5763 }
5764
5765 static int import_environment(int argc, char *argv[], void *userdata) {
5766 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5767 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5768 sd_bus *bus;
5769 int r;
5770
5771 r = acquire_bus(BUS_MANAGER, &bus);
5772 if (r < 0)
5773 return r;
5774
5775 polkit_agent_open_maybe();
5776
5777 r = sd_bus_message_new_method_call(
5778 bus,
5779 &m,
5780 "org.freedesktop.systemd1",
5781 "/org/freedesktop/systemd1",
5782 "org.freedesktop.systemd1.Manager",
5783 "SetEnvironment");
5784 if (r < 0)
5785 return bus_log_create_error(r);
5786
5787 if (argc < 2)
5788 r = sd_bus_message_append_strv(m, environ);
5789 else {
5790 char **a, **b;
5791
5792 r = sd_bus_message_open_container(m, 'a', "s");
5793 if (r < 0)
5794 return bus_log_create_error(r);
5795
5796 STRV_FOREACH(a, strv_skip(argv, 1)) {
5797
5798 if (!env_name_is_valid(*a)) {
5799 log_error("Not a valid environment variable name: %s", *a);
5800 return -EINVAL;
5801 }
5802
5803 STRV_FOREACH(b, environ) {
5804 const char *eq;
5805
5806 eq = startswith(*b, *a);
5807 if (eq && *eq == '=') {
5808
5809 r = sd_bus_message_append(m, "s", *b);
5810 if (r < 0)
5811 return bus_log_create_error(r);
5812
5813 break;
5814 }
5815 }
5816 }
5817
5818 r = sd_bus_message_close_container(m);
5819 }
5820 if (r < 0)
5821 return bus_log_create_error(r);
5822
5823 r = sd_bus_call(bus, m, 0, &error, NULL);
5824 if (r < 0)
5825 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
5826
5827 return 0;
5828 }
5829
5830 static int enable_sysv_units(const char *verb, char **args) {
5831 int r = 0;
5832
5833 #if HAVE_SYSV_COMPAT
5834 _cleanup_(lookup_paths_free) LookupPaths paths = {};
5835 unsigned f = 0;
5836
5837 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
5838
5839 if (arg_scope != UNIT_FILE_SYSTEM)
5840 return 0;
5841
5842 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
5843 return 0;
5844
5845 if (!STR_IN_SET(verb,
5846 "enable",
5847 "disable",
5848 "is-enabled"))
5849 return 0;
5850
5851 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
5852 if (r < 0)
5853 return r;
5854
5855 r = 0;
5856 while (args[f]) {
5857
5858 const char *argv[] = {
5859 ROOTLIBEXECDIR "/systemd-sysv-install",
5860 NULL,
5861 NULL,
5862 NULL,
5863 NULL,
5864 };
5865
5866 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5867 bool found_native = false, found_sysv;
5868 const char *name;
5869 unsigned c = 1;
5870 pid_t pid;
5871 int j;
5872
5873 name = args[f++];
5874
5875 if (!endswith(name, ".service"))
5876 continue;
5877
5878 if (path_is_absolute(name))
5879 continue;
5880
5881 j = unit_file_exists(arg_scope, &paths, name);
5882 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
5883 return log_error_errno(j, "Failed to lookup unit file state: %m");
5884 found_native = j != 0;
5885
5886 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
5887 * prefer the native unit */
5888 if (found_native && streq(verb, "is-enabled"))
5889 continue;
5890
5891 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
5892 if (!p)
5893 return log_oom();
5894
5895 p[strlen(p) - STRLEN(".service")] = 0;
5896 found_sysv = access(p, F_OK) >= 0;
5897 if (!found_sysv)
5898 continue;
5899
5900 if (!arg_quiet) {
5901 if (found_native)
5902 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
5903 else
5904 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
5905 }
5906
5907 if (!isempty(arg_root))
5908 argv[c++] = q = strappend("--root=", arg_root);
5909
5910 argv[c++] = verb;
5911 argv[c++] = basename(p);
5912 argv[c] = NULL;
5913
5914 l = strv_join((char**)argv, " ");
5915 if (!l)
5916 return log_oom();
5917
5918 if (!arg_quiet)
5919 log_info("Executing: %s", l);
5920
5921 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
5922 if (j < 0)
5923 return j;
5924 if (j == 0) {
5925 /* Child */
5926 execv(argv[0], (char**) argv);
5927 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
5928 _exit(EXIT_FAILURE);
5929 }
5930
5931 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
5932 if (j < 0)
5933 return j;
5934 if (streq(verb, "is-enabled")) {
5935 if (j == EXIT_SUCCESS) {
5936 if (!arg_quiet)
5937 puts("enabled");
5938 r = 1;
5939 } else {
5940 if (!arg_quiet)
5941 puts("disabled");
5942 }
5943
5944 } else if (j != EXIT_SUCCESS)
5945 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
5946
5947 if (found_native)
5948 continue;
5949
5950 /* Remove this entry, so that we don't try enabling it as native unit */
5951 assert(f > 0);
5952 f--;
5953 assert(args[f] == name);
5954 strv_remove(args, name);
5955 }
5956
5957 #endif
5958 return r;
5959 }
5960
5961 static int mangle_names(char **original_names, char ***mangled_names) {
5962 char **i, **l, **name;
5963 int r;
5964
5965 l = i = new(char*, strv_length(original_names) + 1);
5966 if (!l)
5967 return log_oom();
5968
5969 STRV_FOREACH(name, original_names) {
5970
5971 /* When enabling units qualified path names are OK,
5972 * too, hence allow them explicitly. */
5973
5974 if (is_path(*name)) {
5975 *i = strdup(*name);
5976 if (!*i) {
5977 strv_free(l);
5978 return log_oom();
5979 }
5980 } else {
5981 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
5982 if (r < 0) {
5983 *i = NULL;
5984 strv_free(l);
5985 return log_error_errno(r, "Failed to mangle unit name: %m");
5986 }
5987 }
5988
5989 i++;
5990 }
5991
5992 *i = NULL;
5993 *mangled_names = l;
5994
5995 return 0;
5996 }
5997
5998 static int normalize_filenames(char **names) {
5999 char **u;
6000 int r;
6001
6002 STRV_FOREACH(u, names)
6003 if (!path_is_absolute(*u)) {
6004 char* normalized_path;
6005
6006 if (!isempty(arg_root)) {
6007 log_error("Non-absolute paths are not allowed when --root is used: %s", *u);
6008 return -EINVAL;
6009 }
6010
6011 if (!strchr(*u,'/')) {
6012 log_error("Link argument does contain at least one directory separator: %s", *u);
6013 return -EINVAL;
6014 }
6015
6016 r = path_make_absolute_cwd(*u, &normalized_path);
6017 if (r < 0)
6018 return r;
6019
6020 free_and_replace(*u, normalized_path);
6021 }
6022
6023 return 0;
6024 }
6025
6026 static int normalize_names(char **names, bool warn_if_path) {
6027 char **u;
6028 bool was_path = false;
6029
6030 STRV_FOREACH(u, names) {
6031 int r;
6032
6033 if (!is_path(*u))
6034 continue;
6035
6036 r = free_and_strdup(u, basename(*u));
6037 if (r < 0)
6038 return log_error_errno(r, "Failed to normalize unit file path: %m");
6039
6040 was_path = true;
6041 }
6042
6043 if (warn_if_path && was_path)
6044 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6045
6046 return 0;
6047 }
6048
6049 static int unit_exists(LookupPaths *lp, const char *unit) {
6050 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6051 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6052 _cleanup_free_ char *path = NULL;
6053 static const struct bus_properties_map property_map[] = {
6054 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6055 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6056 {},
6057 };
6058 UnitStatusInfo info = {};
6059 sd_bus *bus;
6060 int r;
6061
6062 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6063 return unit_find_template_path(unit, lp, NULL, NULL);
6064
6065 path = unit_dbus_path_from_name(unit);
6066 if (!path)
6067 return log_oom();
6068
6069 r = acquire_bus(BUS_MANAGER, &bus);
6070 if (r < 0)
6071 return r;
6072
6073 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6074 if (r < 0)
6075 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6076
6077 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6078 }
6079
6080 static int enable_unit(int argc, char *argv[], void *userdata) {
6081 _cleanup_strv_free_ char **names = NULL;
6082 const char *verb = argv[0];
6083 UnitFileChange *changes = NULL;
6084 size_t n_changes = 0;
6085 int carries_install_info = -1;
6086 bool ignore_carries_install_info = arg_quiet;
6087 int r;
6088
6089 if (!argv[1])
6090 return 0;
6091
6092 r = mangle_names(strv_skip(argv, 1), &names);
6093 if (r < 0)
6094 return r;
6095
6096 r = enable_sysv_units(verb, names);
6097 if (r < 0)
6098 return r;
6099
6100 /* If the operation was fully executed by the SysV compat, let's finish early */
6101 if (strv_isempty(names)) {
6102 if (arg_no_reload || install_client_side())
6103 return 0;
6104 return daemon_reload(argc, argv, userdata);
6105 }
6106
6107 if (streq(verb, "disable")) {
6108 r = normalize_names(names, true);
6109 if (r < 0)
6110 return r;
6111 }
6112
6113 if (streq(verb, "link")) {
6114 r = normalize_filenames(names);
6115 if (r < 0)
6116 return r;
6117 }
6118
6119 if (install_client_side()) {
6120 UnitFileFlags flags;
6121
6122 flags = args_to_flags();
6123 if (streq(verb, "enable")) {
6124 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6125 carries_install_info = r;
6126 } else if (streq(verb, "disable"))
6127 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6128 else if (streq(verb, "reenable")) {
6129 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6130 carries_install_info = r;
6131 } else if (streq(verb, "link"))
6132 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6133 else if (streq(verb, "preset")) {
6134 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6135 } else if (streq(verb, "mask"))
6136 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6137 else if (streq(verb, "unmask"))
6138 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6139 else if (streq(verb, "revert"))
6140 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6141 else
6142 assert_not_reached("Unknown verb");
6143
6144 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6145 if (r < 0)
6146 goto finish;
6147 r = 0;
6148 } else {
6149 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6150 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6151 bool expect_carries_install_info = false;
6152 bool send_runtime = true, send_force = true, send_preset_mode = false;
6153 const char *method;
6154 sd_bus *bus;
6155
6156 if (STR_IN_SET(verb, "mask", "unmask")) {
6157 char **name;
6158 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6159
6160 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6161 if (r < 0)
6162 return r;
6163
6164 STRV_FOREACH(name, names) {
6165 r = unit_exists(&lp, *name);
6166 if (r < 0)
6167 return r;
6168 if (r == 0)
6169 log_notice("Unit %s does not exist, proceeding anyway.", *names);
6170 }
6171 }
6172
6173 r = acquire_bus(BUS_MANAGER, &bus);
6174 if (r < 0)
6175 return r;
6176
6177 polkit_agent_open_maybe();
6178
6179 if (streq(verb, "enable")) {
6180 method = "EnableUnitFiles";
6181 expect_carries_install_info = true;
6182 } else if (streq(verb, "disable")) {
6183 method = "DisableUnitFiles";
6184 send_force = false;
6185 } else if (streq(verb, "reenable")) {
6186 method = "ReenableUnitFiles";
6187 expect_carries_install_info = true;
6188 } else if (streq(verb, "link"))
6189 method = "LinkUnitFiles";
6190 else if (streq(verb, "preset")) {
6191
6192 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6193 method = "PresetUnitFilesWithMode";
6194 send_preset_mode = true;
6195 } else
6196 method = "PresetUnitFiles";
6197
6198 expect_carries_install_info = true;
6199 ignore_carries_install_info = true;
6200 } else if (streq(verb, "mask"))
6201 method = "MaskUnitFiles";
6202 else if (streq(verb, "unmask")) {
6203 method = "UnmaskUnitFiles";
6204 send_force = false;
6205 } else if (streq(verb, "revert")) {
6206 method = "RevertUnitFiles";
6207 send_runtime = send_force = false;
6208 } else
6209 assert_not_reached("Unknown verb");
6210
6211 r = sd_bus_message_new_method_call(
6212 bus,
6213 &m,
6214 "org.freedesktop.systemd1",
6215 "/org/freedesktop/systemd1",
6216 "org.freedesktop.systemd1.Manager",
6217 method);
6218 if (r < 0)
6219 return bus_log_create_error(r);
6220
6221 r = sd_bus_message_append_strv(m, names);
6222 if (r < 0)
6223 return bus_log_create_error(r);
6224
6225 if (send_preset_mode) {
6226 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6227 if (r < 0)
6228 return bus_log_create_error(r);
6229 }
6230
6231 if (send_runtime) {
6232 r = sd_bus_message_append(m, "b", arg_runtime);
6233 if (r < 0)
6234 return bus_log_create_error(r);
6235 }
6236
6237 if (send_force) {
6238 r = sd_bus_message_append(m, "b", arg_force);
6239 if (r < 0)
6240 return bus_log_create_error(r);
6241 }
6242
6243 r = sd_bus_call(bus, m, 0, &error, &reply);
6244 if (r < 0)
6245 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6246
6247 if (expect_carries_install_info) {
6248 r = sd_bus_message_read(reply, "b", &carries_install_info);
6249 if (r < 0)
6250 return bus_log_parse_error(r);
6251 }
6252
6253 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6254 if (r < 0)
6255 goto finish;
6256
6257 /* Try to reload if enabled */
6258 if (!arg_no_reload)
6259 r = daemon_reload(argc, argv, userdata);
6260 else
6261 r = 0;
6262 }
6263
6264 if (carries_install_info == 0 && !ignore_carries_install_info)
6265 log_warning("The unit files have no installation config (WantedBy, RequiredBy, Also, Alias\n"
6266 "settings in the [Install] section, and DefaultInstance for template units).\n"
6267 "This means they are not meant to be enabled using systemctl.\n"
6268 "Possible reasons for having this kind of units are:\n"
6269 "1) A unit may be statically enabled by being symlinked from another unit's\n"
6270 " .wants/ or .requires/ directory.\n"
6271 "2) A unit's purpose may be to act as a helper for some other unit which has\n"
6272 " a requirement dependency on it.\n"
6273 "3) A unit may be started when needed via activation (socket, path, timer,\n"
6274 " D-Bus, udev, scripted systemctl call, ...).\n"
6275 "4) In case of template units, the unit is meant to be enabled with some\n"
6276 " instance name specified.");
6277
6278 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6279 sd_bus *bus;
6280 size_t len, i;
6281
6282 r = acquire_bus(BUS_MANAGER, &bus);
6283 if (r < 0)
6284 goto finish;
6285
6286 len = strv_length(names);
6287 {
6288 char *new_args[len + 2];
6289
6290 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6291 for (i = 0; i < len; i++)
6292 new_args[i + 1] = basename(names[i]);
6293 new_args[i + 1] = NULL;
6294
6295 r = start_unit(len + 1, new_args, userdata);
6296 }
6297 }
6298
6299 finish:
6300 unit_file_changes_free(changes, n_changes);
6301
6302 return r;
6303 }
6304
6305 static int add_dependency(int argc, char *argv[], void *userdata) {
6306 _cleanup_strv_free_ char **names = NULL;
6307 _cleanup_free_ char *target = NULL;
6308 const char *verb = argv[0];
6309 UnitFileChange *changes = NULL;
6310 size_t n_changes = 0;
6311 UnitDependency dep;
6312 int r = 0;
6313
6314 if (!argv[1])
6315 return 0;
6316
6317 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6318 if (r < 0)
6319 return log_error_errno(r, "Failed to mangle unit name: %m");
6320
6321 r = mangle_names(strv_skip(argv, 2), &names);
6322 if (r < 0)
6323 return r;
6324
6325 if (streq(verb, "add-wants"))
6326 dep = UNIT_WANTS;
6327 else if (streq(verb, "add-requires"))
6328 dep = UNIT_REQUIRES;
6329 else
6330 assert_not_reached("Unknown verb");
6331
6332 if (install_client_side()) {
6333 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6334 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6335
6336 if (r > 0)
6337 r = 0;
6338 } else {
6339 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6340 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6341 sd_bus *bus;
6342
6343 r = acquire_bus(BUS_MANAGER, &bus);
6344 if (r < 0)
6345 return r;
6346
6347 polkit_agent_open_maybe();
6348
6349 r = sd_bus_message_new_method_call(
6350 bus,
6351 &m,
6352 "org.freedesktop.systemd1",
6353 "/org/freedesktop/systemd1",
6354 "org.freedesktop.systemd1.Manager",
6355 "AddDependencyUnitFiles");
6356 if (r < 0)
6357 return bus_log_create_error(r);
6358
6359 r = sd_bus_message_append_strv(m, names);
6360 if (r < 0)
6361 return bus_log_create_error(r);
6362
6363 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6364 if (r < 0)
6365 return bus_log_create_error(r);
6366
6367 r = sd_bus_call(bus, m, 0, &error, &reply);
6368 if (r < 0)
6369 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6370
6371 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6372 if (r < 0)
6373 goto finish;
6374
6375 if (arg_no_reload) {
6376 r = 0;
6377 goto finish;
6378 }
6379
6380 r = daemon_reload(argc, argv, userdata);
6381 }
6382
6383 finish:
6384 unit_file_changes_free(changes, n_changes);
6385
6386 return r;
6387 }
6388
6389 static int preset_all(int argc, char *argv[], void *userdata) {
6390 UnitFileChange *changes = NULL;
6391 size_t n_changes = 0;
6392 int r;
6393
6394 if (install_client_side()) {
6395 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6396 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6397
6398 if (r > 0)
6399 r = 0;
6400 } else {
6401 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6402 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6403 sd_bus *bus;
6404
6405 r = acquire_bus(BUS_MANAGER, &bus);
6406 if (r < 0)
6407 return r;
6408
6409 polkit_agent_open_maybe();
6410
6411 r = sd_bus_call_method(
6412 bus,
6413 "org.freedesktop.systemd1",
6414 "/org/freedesktop/systemd1",
6415 "org.freedesktop.systemd1.Manager",
6416 "PresetAllUnitFiles",
6417 &error,
6418 &reply,
6419 "sbb",
6420 unit_file_preset_mode_to_string(arg_preset_mode),
6421 arg_runtime,
6422 arg_force);
6423 if (r < 0)
6424 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6425
6426 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6427 if (r < 0)
6428 goto finish;
6429
6430 if (arg_no_reload) {
6431 r = 0;
6432 goto finish;
6433 }
6434
6435 r = daemon_reload(argc, argv, userdata);
6436 }
6437
6438 finish:
6439 unit_file_changes_free(changes, n_changes);
6440
6441 return r;
6442 }
6443
6444 static int show_installation_targets_client_side(const char *name) {
6445 UnitFileChange *changes = NULL;
6446 size_t n_changes = 0, i;
6447 UnitFileFlags flags;
6448 char **p;
6449 int r;
6450
6451 p = STRV_MAKE(name);
6452 flags = UNIT_FILE_DRY_RUN |
6453 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6454
6455 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6456 if (r < 0)
6457 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6458
6459 for (i = 0; i < n_changes; i++)
6460 if (changes[i].type == UNIT_FILE_UNLINK)
6461 printf(" %s\n", changes[i].path);
6462
6463 return 0;
6464 }
6465
6466 static int show_installation_targets(sd_bus *bus, const char *name) {
6467 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6468 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6469 const char *link;
6470 int r;
6471
6472 r = sd_bus_call_method(
6473 bus,
6474 "org.freedesktop.systemd1",
6475 "/org/freedesktop/systemd1",
6476 "org.freedesktop.systemd1.Manager",
6477 "GetUnitFileLinks",
6478 &error,
6479 &reply,
6480 "sb", name, arg_runtime);
6481 if (r < 0)
6482 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
6483
6484 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6485 if (r < 0)
6486 return bus_log_parse_error(r);
6487
6488 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
6489 printf(" %s\n", link);
6490
6491 if (r < 0)
6492 return bus_log_parse_error(r);
6493
6494 r = sd_bus_message_exit_container(reply);
6495 if (r < 0)
6496 return bus_log_parse_error(r);
6497
6498 return 0;
6499 }
6500
6501 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
6502 _cleanup_strv_free_ char **names = NULL;
6503 bool enabled;
6504 char **name;
6505 int r;
6506
6507 r = mangle_names(strv_skip(argv, 1), &names);
6508 if (r < 0)
6509 return r;
6510
6511 r = enable_sysv_units(argv[0], names);
6512 if (r < 0)
6513 return r;
6514
6515 enabled = r > 0;
6516
6517 if (install_client_side()) {
6518 STRV_FOREACH(name, names) {
6519 UnitFileState state;
6520
6521 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
6522 if (r < 0)
6523 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
6524
6525 if (IN_SET(state,
6526 UNIT_FILE_ENABLED,
6527 UNIT_FILE_ENABLED_RUNTIME,
6528 UNIT_FILE_STATIC,
6529 UNIT_FILE_INDIRECT,
6530 UNIT_FILE_GENERATED))
6531 enabled = true;
6532
6533 if (!arg_quiet) {
6534 puts(unit_file_state_to_string(state));
6535 if (arg_full) {
6536 r = show_installation_targets_client_side(*name);
6537 if (r < 0)
6538 return r;
6539 }
6540 }
6541 }
6542
6543 r = 0;
6544 } else {
6545 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6546 sd_bus *bus;
6547
6548 r = acquire_bus(BUS_MANAGER, &bus);
6549 if (r < 0)
6550 return r;
6551
6552 STRV_FOREACH(name, names) {
6553 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6554 const char *s;
6555
6556 r = sd_bus_call_method(
6557 bus,
6558 "org.freedesktop.systemd1",
6559 "/org/freedesktop/systemd1",
6560 "org.freedesktop.systemd1.Manager",
6561 "GetUnitFileState",
6562 &error,
6563 &reply,
6564 "s", *name);
6565 if (r < 0)
6566 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
6567
6568 r = sd_bus_message_read(reply, "s", &s);
6569 if (r < 0)
6570 return bus_log_parse_error(r);
6571
6572 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
6573 enabled = true;
6574
6575 if (!arg_quiet) {
6576 puts(s);
6577 if (arg_full) {
6578 r = show_installation_targets(bus, *name);
6579 if (r < 0)
6580 return r;
6581 }
6582 }
6583 }
6584 }
6585
6586 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
6587 }
6588
6589 static int is_system_running(int argc, char *argv[], void *userdata) {
6590 _cleanup_free_ char *state = NULL;
6591 sd_bus *bus;
6592 int r;
6593
6594 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
6595 if (!arg_quiet)
6596 puts("offline");
6597 return EXIT_FAILURE;
6598 }
6599
6600 r = acquire_bus(BUS_MANAGER, &bus);
6601 if (r < 0)
6602 return r;
6603
6604 r = sd_bus_get_property_string(
6605 bus,
6606 "org.freedesktop.systemd1",
6607 "/org/freedesktop/systemd1",
6608 "org.freedesktop.systemd1.Manager",
6609 "SystemState",
6610 NULL,
6611 &state);
6612 if (r < 0) {
6613 if (!arg_quiet)
6614 puts("unknown");
6615 return 0;
6616 }
6617
6618 if (!arg_quiet)
6619 puts(state);
6620
6621 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
6622 }
6623
6624 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
6625 _cleanup_free_ char *t = NULL;
6626 int r;
6627
6628 assert(new_path);
6629 assert(original_path);
6630 assert(ret_tmp_fn);
6631
6632 r = tempfn_random(new_path, NULL, &t);
6633 if (r < 0)
6634 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
6635
6636 r = mkdir_parents(new_path, 0755);
6637 if (r < 0)
6638 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
6639
6640 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
6641 if (r == -ENOENT) {
6642
6643 r = touch(t);
6644 if (r < 0)
6645 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
6646
6647 } else if (r < 0)
6648 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
6649
6650 *ret_tmp_fn = TAKE_PTR(t);
6651
6652 return 0;
6653 }
6654
6655 static int get_file_to_edit(
6656 const LookupPaths *paths,
6657 const char *name,
6658 char **ret_path) {
6659
6660 _cleanup_free_ char *path = NULL, *run = NULL;
6661
6662 assert(name);
6663 assert(ret_path);
6664
6665 path = strjoin(paths->persistent_config, "/", name);
6666 if (!path)
6667 return log_oom();
6668
6669 if (arg_runtime) {
6670 run = strjoin(paths->runtime_config, "/", name);
6671 if (!run)
6672 return log_oom();
6673 }
6674
6675 if (arg_runtime) {
6676 if (access(path, F_OK) >= 0) {
6677 log_error("Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.", run, path);
6678 return -EEXIST;
6679 }
6680
6681 *ret_path = TAKE_PTR(run);
6682 } else
6683 *ret_path = TAKE_PTR(path);
6684
6685 return 0;
6686 }
6687
6688 static int unit_file_create_new(
6689 const LookupPaths *paths,
6690 const char *unit_name,
6691 const char *suffix,
6692 char **ret_new_path,
6693 char **ret_tmp_path) {
6694
6695 char *tmp_new_path, *tmp_tmp_path, *ending;
6696 int r;
6697
6698 assert(unit_name);
6699 assert(ret_new_path);
6700 assert(ret_tmp_path);
6701
6702 ending = strjoina(unit_name, suffix);
6703 r = get_file_to_edit(paths, ending, &tmp_new_path);
6704 if (r < 0)
6705 return r;
6706
6707 r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path);
6708 if (r < 0) {
6709 free(tmp_new_path);
6710 return r;
6711 }
6712
6713 *ret_new_path = tmp_new_path;
6714 *ret_tmp_path = tmp_tmp_path;
6715
6716 return 0;
6717 }
6718
6719 static int unit_file_create_copy(
6720 const LookupPaths *paths,
6721 const char *unit_name,
6722 const char *fragment_path,
6723 char **ret_new_path,
6724 char **ret_tmp_path) {
6725
6726 char *tmp_new_path, *tmp_tmp_path;
6727 int r;
6728
6729 assert(fragment_path);
6730 assert(unit_name);
6731 assert(ret_new_path);
6732 assert(ret_tmp_path);
6733
6734 r = get_file_to_edit(paths, unit_name, &tmp_new_path);
6735 if (r < 0)
6736 return r;
6737
6738 if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) {
6739 char response;
6740
6741 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path);
6742 if (r < 0) {
6743 free(tmp_new_path);
6744 return r;
6745 }
6746 if (response != 'y') {
6747 log_warning("%s ignored", unit_name);
6748 free(tmp_new_path);
6749 return -EKEYREJECTED;
6750 }
6751 }
6752
6753 r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path);
6754 if (r < 0) {
6755 free(tmp_new_path);
6756 return r;
6757 }
6758
6759 *ret_new_path = tmp_new_path;
6760 *ret_tmp_path = tmp_tmp_path;
6761
6762 return 0;
6763 }
6764
6765 static int run_editor(char **paths) {
6766 int r;
6767
6768 assert(paths);
6769
6770 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG|FORK_WAIT, NULL);
6771 if (r < 0)
6772 return r;
6773 if (r == 0) {
6774 const char **args;
6775 char *editor, **editor_args = NULL;
6776 char **tmp_path, **original_path, *p;
6777 size_t n_editor_args = 0, i = 1;
6778 size_t argc;
6779
6780 argc = strv_length(paths)/2 + 1;
6781
6782 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
6783 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
6784 * we try to execute well known editors
6785 */
6786 editor = getenv("SYSTEMD_EDITOR");
6787 if (!editor)
6788 editor = getenv("EDITOR");
6789 if (!editor)
6790 editor = getenv("VISUAL");
6791
6792 if (!isempty(editor)) {
6793 editor_args = strv_split(editor, WHITESPACE);
6794 if (!editor_args) {
6795 (void) log_oom();
6796 _exit(EXIT_FAILURE);
6797 }
6798 n_editor_args = strv_length(editor_args);
6799 argc += n_editor_args - 1;
6800 }
6801 args = newa(const char*, argc + 1);
6802
6803 if (n_editor_args > 0) {
6804 args[0] = editor_args[0];
6805 for (; i < n_editor_args; i++)
6806 args[i] = editor_args[i];
6807 }
6808
6809 STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
6810 args[i] = *tmp_path;
6811 i++;
6812 }
6813 args[i] = NULL;
6814
6815 if (n_editor_args > 0)
6816 execvp(args[0], (char* const*) args);
6817
6818 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
6819 args[0] = p;
6820 execvp(p, (char* const*) args);
6821 /* We do not fail if the editor doesn't exist
6822 * because we want to try each one of them before
6823 * failing.
6824 */
6825 if (errno != ENOENT) {
6826 log_error_errno(errno, "Failed to execute %s: %m", editor);
6827 _exit(EXIT_FAILURE);
6828 }
6829 }
6830
6831 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
6832 _exit(EXIT_FAILURE);
6833 }
6834
6835 return 0;
6836 }
6837
6838 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
6839 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6840 char **name;
6841 int r;
6842
6843 assert(names);
6844 assert(paths);
6845
6846 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6847 if (r < 0)
6848 return r;
6849
6850 STRV_FOREACH(name, names) {
6851 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
6852 const char *unit_name;
6853
6854 r = unit_find_paths(bus, *name, &lp, &path, NULL);
6855 if (r < 0)
6856 return r;
6857
6858 if (r == 0) {
6859 assert(!path);
6860
6861 if (!arg_force) {
6862 log_error("Run 'systemctl edit%s --force %s' to create a new unit.",
6863 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
6864 arg_scope == UNIT_FILE_USER ? " --user" : "",
6865 *name);
6866 return -ENOENT;
6867 }
6868
6869 /* Create a new unit from scratch */
6870 unit_name = *name;
6871 r = unit_file_create_new(&lp, unit_name,
6872 arg_full ? NULL : ".d/override.conf",
6873 &new_path, &tmp_path);
6874 } else {
6875 assert(path);
6876
6877 unit_name = basename(path);
6878 /* We follow unit aliases, but we need to propagate the instance */
6879 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
6880 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
6881 _cleanup_free_ char *instance = NULL;
6882
6883 r = unit_name_to_instance(*name, &instance);
6884 if (r < 0)
6885 return r;
6886
6887 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
6888 if (r < 0)
6889 return r;
6890
6891 unit_name = tmp_name;
6892 }
6893
6894 if (arg_full)
6895 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
6896 else
6897 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
6898 }
6899 if (r < 0)
6900 return r;
6901
6902 r = strv_push_pair(paths, new_path, tmp_path);
6903 if (r < 0)
6904 return log_oom();
6905 new_path = tmp_path = NULL;
6906 }
6907
6908 return 0;
6909 }
6910
6911 static int edit(int argc, char *argv[], void *userdata) {
6912 _cleanup_strv_free_ char **names = NULL;
6913 _cleanup_strv_free_ char **paths = NULL;
6914 char **original, **tmp;
6915 sd_bus *bus;
6916 int r;
6917
6918 if (!on_tty()) {
6919 log_error("Cannot edit units if not on a tty.");
6920 return -EINVAL;
6921 }
6922
6923 if (arg_transport != BUS_TRANSPORT_LOCAL) {
6924 log_error("Cannot edit units remotely.");
6925 return -EINVAL;
6926 }
6927
6928 r = acquire_bus(BUS_MANAGER, &bus);
6929 if (r < 0)
6930 return r;
6931
6932 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6933 if (r < 0)
6934 return log_error_errno(r, "Failed to expand names: %m");
6935
6936 STRV_FOREACH(tmp, names) {
6937 r = unit_is_masked(bus, *tmp);
6938 if (r < 0)
6939 return r;
6940
6941 if (r > 0) {
6942 log_error("Cannot edit %s: unit is masked.", *tmp);
6943 return -EINVAL;
6944 }
6945 }
6946
6947 r = find_paths_to_edit(bus, names, &paths);
6948 if (r < 0)
6949 return r;
6950
6951 if (strv_isempty(paths))
6952 return -ENOENT;
6953
6954 r = run_editor(paths);
6955 if (r < 0)
6956 goto end;
6957
6958 STRV_FOREACH_PAIR(original, tmp, paths) {
6959 /* If the temporary file is empty we ignore it.
6960 * This allows the user to cancel the modification.
6961 */
6962 if (null_or_empty_path(*tmp)) {
6963 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
6964 continue;
6965 }
6966
6967 r = rename(*tmp, *original);
6968 if (r < 0) {
6969 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
6970 goto end;
6971 }
6972 }
6973
6974 r = 0;
6975
6976 if (!arg_no_reload && !install_client_side())
6977 r = daemon_reload(argc, argv, userdata);
6978
6979 end:
6980 STRV_FOREACH_PAIR(original, tmp, paths) {
6981 (void) unlink(*tmp);
6982
6983 /* Removing empty dropin dirs */
6984 if (!arg_full) {
6985 _cleanup_free_ char *dir;
6986
6987 dir = dirname_malloc(*original);
6988 if (!dir)
6989 return log_oom();
6990
6991 /* no need to check if the dir is empty, rmdir
6992 * does nothing if it is not the case.
6993 */
6994 (void) rmdir(dir);
6995 }
6996 }
6997
6998 return r;
6999 }
7000
7001 static void systemctl_help(void) {
7002 (void) pager_open(arg_no_pager, false);
7003
7004 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7005 "Query or send control commands to the systemd manager.\n\n"
7006 " -h --help Show this help\n"
7007 " --version Show package version\n"
7008 " --system Connect to system manager\n"
7009 " --user Connect to user service manager\n"
7010 " -H --host=[USER@]HOST\n"
7011 " Operate on remote host\n"
7012 " -M --machine=CONTAINER\n"
7013 " Operate on local container\n"
7014 " -t --type=TYPE List units of a particular type\n"
7015 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7016 " -p --property=NAME Show only properties by this name\n"
7017 " -a --all Show all properties/all units currently in memory,\n"
7018 " including dead/empty ones. To list all units installed on\n"
7019 " the system, use the 'list-unit-files' command instead.\n"
7020 " --failed Same as --state=failed\n"
7021 " -l --full Don't ellipsize unit names on output\n"
7022 " -r --recursive Show unit list of host and local containers\n"
7023 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7024 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7025 " queueing a new job\n"
7026 " --show-types When showing sockets, explicitly show their type\n"
7027 " --value When showing properties, only print the value\n"
7028 " -i --ignore-inhibitors\n"
7029 " When shutting down or sleeping, ignore inhibitors\n"
7030 " --kill-who=WHO Who to send signal to\n"
7031 " -s --signal=SIGNAL Which signal to send\n"
7032 " --now Start or stop unit in addition to enabling or disabling it\n"
7033 " --dry-run Only print what would be done\n"
7034 " -q --quiet Suppress output\n"
7035 " --wait For (re)start, wait until service stopped again\n"
7036 " --no-block Do not wait until operation finished\n"
7037 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7038 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7039 " --no-legend Do not print a legend (column headers and hints)\n"
7040 " --no-pager Do not pipe output into a pager\n"
7041 " --no-ask-password\n"
7042 " Do not ask for system passwords\n"
7043 " --global Enable/disable/mask unit files globally\n"
7044 " --runtime Enable/disable/mask unit files temporarily until next\n"
7045 " reboot\n"
7046 " -f --force When enabling unit files, override existing symlinks\n"
7047 " When shutting down, execute action immediately\n"
7048 " --preset-mode= Apply only enable, only disable, or all presets\n"
7049 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7050 " directory\n"
7051 " -n --lines=INTEGER Number of journal entries to show\n"
7052 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7053 " short-iso, short-iso-precise, short-full,\n"
7054 " short-monotonic, short-unix,\n"
7055 " verbose, export, json, json-pretty, json-sse, cat)\n"
7056 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7057 " --plain Print unit dependencies as a list instead of a tree\n\n"
7058 "Unit Commands:\n"
7059 " list-units [PATTERN...] List units currently in memory\n"
7060 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7061 " ordered by address\n"
7062 " list-timers [PATTERN...] List timer units currently in memory,\n"
7063 " ordered by next elapse\n"
7064 " start UNIT... Start (activate) one or more units\n"
7065 " stop UNIT... Stop (deactivate) one or more units\n"
7066 " reload UNIT... Reload one or more units\n"
7067 " restart UNIT... Start or restart one or more units\n"
7068 " try-restart UNIT... Restart one or more units if active\n"
7069 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7070 " otherwise start or restart\n"
7071 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7072 " if supported, otherwise restart\n"
7073 " isolate UNIT Start one unit and stop all others\n"
7074 " kill UNIT... Send signal to processes of a unit\n"
7075 " is-active PATTERN... Check whether units are active\n"
7076 " is-failed PATTERN... Check whether units are failed\n"
7077 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7078 " show [PATTERN...|JOB...] Show properties of one or more\n"
7079 " units/jobs or the manager\n"
7080 " cat PATTERN... Show files and drop-ins of specified units\n"
7081 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7082 " help PATTERN...|PID... Show manual for one or more units\n"
7083 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7084 " units\n"
7085 " list-dependencies [UNIT] Recursively show units which are required\n"
7086 " or wanted by this unit or by which this\n"
7087 " unit is required or wanted\n\n"
7088 "Unit File Commands:\n"
7089 " list-unit-files [PATTERN...] List installed unit files\n"
7090 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7091 " disable UNIT... Disable one or more unit files\n"
7092 " reenable UNIT... Reenable one or more unit files\n"
7093 " preset UNIT... Enable/disable one or more unit files\n"
7094 " based on preset configuration\n"
7095 " preset-all Enable/disable all unit files based on\n"
7096 " preset configuration\n"
7097 " is-enabled UNIT... Check whether unit files are enabled\n"
7098 " mask UNIT... Mask one or more units\n"
7099 " unmask UNIT... Unmask one or more units\n"
7100 " link PATH... Link one or more units files into\n"
7101 " the search path\n"
7102 " revert UNIT... Revert one or more unit files to vendor\n"
7103 " version\n"
7104 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7105 " on specified one or more units\n"
7106 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7107 " on specified one or more units\n"
7108 " edit UNIT... Edit one or more unit files\n"
7109 " get-default Get the name of the default target\n"
7110 " set-default TARGET Set the default target\n\n"
7111 "Machine Commands:\n"
7112 " list-machines [PATTERN...] List local containers and host\n\n"
7113 "Job Commands:\n"
7114 " list-jobs [PATTERN...] List jobs\n"
7115 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7116 "Environment Commands:\n"
7117 " show-environment Dump environment\n"
7118 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7119 " unset-environment VARIABLE... Unset one or more environment variables\n"
7120 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7121 "Manager Lifecycle Commands:\n"
7122 " daemon-reload Reload systemd manager configuration\n"
7123 " daemon-reexec Reexecute systemd manager\n\n"
7124 "System Commands:\n"
7125 " is-system-running Check whether system is fully running\n"
7126 " default Enter system default mode\n"
7127 " rescue Enter system rescue mode\n"
7128 " emergency Enter system emergency mode\n"
7129 " halt Shut down and halt the system\n"
7130 " poweroff Shut down and power-off the system\n"
7131 " reboot [ARG] Shut down and reboot the system\n"
7132 " kexec Shut down and reboot the system with kexec\n"
7133 " exit [EXIT_CODE] Request user instance or container exit\n"
7134 " switch-root ROOT [INIT] Change to a different root file system\n"
7135 " suspend Suspend the system\n"
7136 " hibernate Hibernate the system\n"
7137 " hybrid-sleep Hibernate and suspend the system\n"
7138 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7139 " time and put it into hibernate\n",
7140 program_invocation_short_name);
7141 }
7142
7143 static void halt_help(void) {
7144 printf("%s [OPTIONS...]%s\n\n"
7145 "%s the system.\n\n"
7146 " --help Show this help\n"
7147 " --halt Halt the machine\n"
7148 " -p --poweroff Switch off the machine\n"
7149 " --reboot Reboot the machine\n"
7150 " -f --force Force immediate halt/power-off/reboot\n"
7151 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7152 " -d --no-wtmp Don't write wtmp record\n"
7153 " --no-wall Don't send wall message before halt/power-off/reboot\n",
7154 program_invocation_short_name,
7155 arg_action == ACTION_REBOOT ? " [ARG]" : "",
7156 arg_action == ACTION_REBOOT ? "Reboot" :
7157 arg_action == ACTION_POWEROFF ? "Power off" :
7158 "Halt");
7159 }
7160
7161 static void shutdown_help(void) {
7162 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7163 "Shut down the system.\n\n"
7164 " --help Show this help\n"
7165 " -H --halt Halt the machine\n"
7166 " -P --poweroff Power-off the machine\n"
7167 " -r --reboot Reboot the machine\n"
7168 " -h Equivalent to --poweroff, overridden by --halt\n"
7169 " -k Don't halt/power-off/reboot, just send warnings\n"
7170 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7171 " -c Cancel a pending shutdown\n",
7172 program_invocation_short_name);
7173 }
7174
7175 static void telinit_help(void) {
7176 printf("%s [OPTIONS...] {COMMAND}\n\n"
7177 "Send control commands to the init daemon.\n\n"
7178 " --help Show this help\n"
7179 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7180 "Commands:\n"
7181 " 0 Power-off the machine\n"
7182 " 6 Reboot the machine\n"
7183 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7184 " 1, s, S Enter rescue mode\n"
7185 " q, Q Reload init daemon configuration\n"
7186 " u, U Reexecute init daemon\n",
7187 program_invocation_short_name);
7188 }
7189
7190 static void runlevel_help(void) {
7191 printf("%s [OPTIONS...]\n\n"
7192 "Prints the previous and current runlevel of the init system.\n\n"
7193 " --help Show this help\n",
7194 program_invocation_short_name);
7195 }
7196
7197 static void help_types(void) {
7198 if (!arg_no_legend)
7199 puts("Available unit types:");
7200
7201 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7202 }
7203
7204 static void help_states(void) {
7205 if (!arg_no_legend)
7206 puts("Available unit load states:");
7207 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7208
7209 if (!arg_no_legend)
7210 puts("\nAvailable unit active states:");
7211 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7212
7213 if (!arg_no_legend)
7214 puts("\nAvailable automount unit substates:");
7215 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7216
7217 if (!arg_no_legend)
7218 puts("\nAvailable device unit substates:");
7219 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7220
7221 if (!arg_no_legend)
7222 puts("\nAvailable mount unit substates:");
7223 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7224
7225 if (!arg_no_legend)
7226 puts("\nAvailable path unit substates:");
7227 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7228
7229 if (!arg_no_legend)
7230 puts("\nAvailable scope unit substates:");
7231 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7232
7233 if (!arg_no_legend)
7234 puts("\nAvailable service unit substates:");
7235 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7236
7237 if (!arg_no_legend)
7238 puts("\nAvailable slice unit substates:");
7239 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7240
7241 if (!arg_no_legend)
7242 puts("\nAvailable socket unit substates:");
7243 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7244
7245 if (!arg_no_legend)
7246 puts("\nAvailable swap unit substates:");
7247 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7248
7249 if (!arg_no_legend)
7250 puts("\nAvailable target unit substates:");
7251 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7252
7253 if (!arg_no_legend)
7254 puts("\nAvailable timer unit substates:");
7255 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7256 }
7257
7258 static int systemctl_parse_argv(int argc, char *argv[]) {
7259 enum {
7260 ARG_FAIL = 0x100,
7261 ARG_REVERSE,
7262 ARG_AFTER,
7263 ARG_BEFORE,
7264 ARG_DRY_RUN,
7265 ARG_SHOW_TYPES,
7266 ARG_IRREVERSIBLE,
7267 ARG_IGNORE_DEPENDENCIES,
7268 ARG_VALUE,
7269 ARG_VERSION,
7270 ARG_USER,
7271 ARG_SYSTEM,
7272 ARG_GLOBAL,
7273 ARG_NO_BLOCK,
7274 ARG_NO_LEGEND,
7275 ARG_NO_PAGER,
7276 ARG_NO_WALL,
7277 ARG_ROOT,
7278 ARG_NO_RELOAD,
7279 ARG_KILL_WHO,
7280 ARG_NO_ASK_PASSWORD,
7281 ARG_FAILED,
7282 ARG_RUNTIME,
7283 ARG_PLAIN,
7284 ARG_STATE,
7285 ARG_JOB_MODE,
7286 ARG_PRESET_MODE,
7287 ARG_FIRMWARE_SETUP,
7288 ARG_NOW,
7289 ARG_MESSAGE,
7290 ARG_WAIT,
7291 };
7292
7293 static const struct option options[] = {
7294 { "help", no_argument, NULL, 'h' },
7295 { "version", no_argument, NULL, ARG_VERSION },
7296 { "type", required_argument, NULL, 't' },
7297 { "property", required_argument, NULL, 'p' },
7298 { "all", no_argument, NULL, 'a' },
7299 { "reverse", no_argument, NULL, ARG_REVERSE },
7300 { "after", no_argument, NULL, ARG_AFTER },
7301 { "before", no_argument, NULL, ARG_BEFORE },
7302 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7303 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7304 { "full", no_argument, NULL, 'l' },
7305 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7306 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7307 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7308 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7309 { "ignore-inhibitors", no_argument, NULL, 'i' },
7310 { "value", no_argument, NULL, ARG_VALUE },
7311 { "user", no_argument, NULL, ARG_USER },
7312 { "system", no_argument, NULL, ARG_SYSTEM },
7313 { "global", no_argument, NULL, ARG_GLOBAL },
7314 { "wait", no_argument, NULL, ARG_WAIT },
7315 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7316 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7317 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7318 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7319 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7320 { "quiet", no_argument, NULL, 'q' },
7321 { "root", required_argument, NULL, ARG_ROOT },
7322 { "force", no_argument, NULL, 'f' },
7323 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7324 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7325 { "signal", required_argument, NULL, 's' },
7326 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7327 { "host", required_argument, NULL, 'H' },
7328 { "machine", required_argument, NULL, 'M' },
7329 { "runtime", no_argument, NULL, ARG_RUNTIME },
7330 { "lines", required_argument, NULL, 'n' },
7331 { "output", required_argument, NULL, 'o' },
7332 { "plain", no_argument, NULL, ARG_PLAIN },
7333 { "state", required_argument, NULL, ARG_STATE },
7334 { "recursive", no_argument, NULL, 'r' },
7335 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7336 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7337 { "now", no_argument, NULL, ARG_NOW },
7338 { "message", required_argument, NULL, ARG_MESSAGE },
7339 {}
7340 };
7341
7342 const char *p;
7343 int c, r;
7344
7345 assert(argc >= 0);
7346 assert(argv);
7347
7348 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7349 arg_ask_password = true;
7350
7351 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
7352
7353 switch (c) {
7354
7355 case 'h':
7356 systemctl_help();
7357 return 0;
7358
7359 case ARG_VERSION:
7360 return version();
7361
7362 case 't': {
7363 if (isempty(optarg)) {
7364 log_error("--type= requires arguments.");
7365 return -EINVAL;
7366 }
7367
7368 for (p = optarg;;) {
7369 _cleanup_free_ char *type = NULL;
7370
7371 r = extract_first_word(&p, &type, ",", 0);
7372 if (r < 0)
7373 return log_error_errno(r, "Failed to parse type: %s", optarg);
7374 if (r == 0)
7375 break;
7376
7377 if (streq(type, "help")) {
7378 help_types();
7379 return 0;
7380 }
7381
7382 if (unit_type_from_string(type) >= 0) {
7383 if (strv_push(&arg_types, type) < 0)
7384 return log_oom();
7385 type = NULL;
7386 continue;
7387 }
7388
7389 /* It's much nicer to use --state= for
7390 * load states, but let's support this
7391 * in --types= too for compatibility
7392 * with old versions */
7393 if (unit_load_state_from_string(type) >= 0) {
7394 if (strv_push(&arg_states, type) < 0)
7395 return log_oom();
7396 type = NULL;
7397 continue;
7398 }
7399
7400 log_error("Unknown unit type or load state '%s'.", type);
7401 log_info("Use -t help to see a list of allowed values.");
7402 return -EINVAL;
7403 }
7404
7405 break;
7406 }
7407
7408 case 'p': {
7409 /* Make sure that if the empty property list
7410 was specified, we won't show any properties. */
7411 if (isempty(optarg) && !arg_properties) {
7412 arg_properties = new0(char*, 1);
7413 if (!arg_properties)
7414 return log_oom();
7415 } else
7416 for (p = optarg;;) {
7417 _cleanup_free_ char *prop = NULL;
7418
7419 r = extract_first_word(&p, &prop, ",", 0);
7420 if (r < 0)
7421 return log_error_errno(r, "Failed to parse property: %s", optarg);
7422 if (r == 0)
7423 break;
7424
7425 if (strv_push(&arg_properties, prop) < 0)
7426 return log_oom();
7427
7428 prop = NULL;
7429 }
7430
7431 /* If the user asked for a particular
7432 * property, show it to him, even if it is
7433 * empty. */
7434 arg_all = true;
7435
7436 break;
7437 }
7438
7439 case 'a':
7440 arg_all = true;
7441 break;
7442
7443 case ARG_REVERSE:
7444 arg_dependency = DEPENDENCY_REVERSE;
7445 break;
7446
7447 case ARG_AFTER:
7448 arg_dependency = DEPENDENCY_AFTER;
7449 arg_jobs_after = true;
7450 break;
7451
7452 case ARG_BEFORE:
7453 arg_dependency = DEPENDENCY_BEFORE;
7454 arg_jobs_before = true;
7455 break;
7456
7457 case ARG_SHOW_TYPES:
7458 arg_show_types = true;
7459 break;
7460
7461 case ARG_VALUE:
7462 arg_value = true;
7463 break;
7464
7465 case ARG_JOB_MODE:
7466 arg_job_mode = optarg;
7467 break;
7468
7469 case ARG_FAIL:
7470 arg_job_mode = "fail";
7471 break;
7472
7473 case ARG_IRREVERSIBLE:
7474 arg_job_mode = "replace-irreversibly";
7475 break;
7476
7477 case ARG_IGNORE_DEPENDENCIES:
7478 arg_job_mode = "ignore-dependencies";
7479 break;
7480
7481 case ARG_USER:
7482 arg_scope = UNIT_FILE_USER;
7483 break;
7484
7485 case ARG_SYSTEM:
7486 arg_scope = UNIT_FILE_SYSTEM;
7487 break;
7488
7489 case ARG_GLOBAL:
7490 arg_scope = UNIT_FILE_GLOBAL;
7491 break;
7492
7493 case ARG_WAIT:
7494 arg_wait = true;
7495 break;
7496
7497 case ARG_NO_BLOCK:
7498 arg_no_block = true;
7499 break;
7500
7501 case ARG_NO_LEGEND:
7502 arg_no_legend = true;
7503 break;
7504
7505 case ARG_NO_PAGER:
7506 arg_no_pager = true;
7507 break;
7508
7509 case ARG_NO_WALL:
7510 arg_no_wall = true;
7511 break;
7512
7513 case ARG_ROOT:
7514 r = parse_path_argument_and_warn(optarg, false, &arg_root);
7515 if (r < 0)
7516 return r;
7517 break;
7518
7519 case 'l':
7520 arg_full = true;
7521 break;
7522
7523 case ARG_FAILED:
7524 if (strv_extend(&arg_states, "failed") < 0)
7525 return log_oom();
7526
7527 break;
7528
7529 case ARG_DRY_RUN:
7530 arg_dry_run = true;
7531 break;
7532
7533 case 'q':
7534 arg_quiet = true;
7535 break;
7536
7537 case 'f':
7538 arg_force++;
7539 break;
7540
7541 case ARG_NO_RELOAD:
7542 arg_no_reload = true;
7543 break;
7544
7545 case ARG_KILL_WHO:
7546 arg_kill_who = optarg;
7547 break;
7548
7549 case 's':
7550 if (streq(optarg, "help")) {
7551 DUMP_STRING_TABLE(signal, int, _NSIG);
7552 return 0;
7553 }
7554
7555 arg_signal = signal_from_string(optarg);
7556 if (arg_signal < 0) {
7557 log_error("Failed to parse signal string %s.", optarg);
7558 return -EINVAL;
7559 }
7560 break;
7561
7562 case ARG_NO_ASK_PASSWORD:
7563 arg_ask_password = false;
7564 break;
7565
7566 case 'H':
7567 arg_transport = BUS_TRANSPORT_REMOTE;
7568 arg_host = optarg;
7569 break;
7570
7571 case 'M':
7572 arg_transport = BUS_TRANSPORT_MACHINE;
7573 arg_host = optarg;
7574 break;
7575
7576 case ARG_RUNTIME:
7577 arg_runtime = true;
7578 break;
7579
7580 case 'n':
7581 if (safe_atou(optarg, &arg_lines) < 0) {
7582 log_error("Failed to parse lines '%s'", optarg);
7583 return -EINVAL;
7584 }
7585 break;
7586
7587 case 'o':
7588 if (streq(optarg, "help")) {
7589 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
7590 return 0;
7591 }
7592
7593 arg_output = output_mode_from_string(optarg);
7594 if (arg_output < 0) {
7595 log_error("Unknown output '%s'.", optarg);
7596 return -EINVAL;
7597 }
7598 break;
7599
7600 case 'i':
7601 arg_ignore_inhibitors = true;
7602 break;
7603
7604 case ARG_PLAIN:
7605 arg_plain = true;
7606 break;
7607
7608 case ARG_FIRMWARE_SETUP:
7609 arg_firmware_setup = true;
7610 break;
7611
7612 case ARG_STATE: {
7613 if (isempty(optarg)) {
7614 log_error("--state= requires arguments.");
7615 return -EINVAL;
7616 }
7617
7618 for (p = optarg;;) {
7619 _cleanup_free_ char *s = NULL;
7620
7621 r = extract_first_word(&p, &s, ",", 0);
7622 if (r < 0)
7623 return log_error_errno(r, "Failed to parse state: %s", optarg);
7624 if (r == 0)
7625 break;
7626
7627 if (streq(s, "help")) {
7628 help_states();
7629 return 0;
7630 }
7631
7632 if (strv_push(&arg_states, s) < 0)
7633 return log_oom();
7634
7635 s = NULL;
7636 }
7637 break;
7638 }
7639
7640 case 'r':
7641 if (geteuid() != 0) {
7642 log_error("--recursive requires root privileges.");
7643 return -EPERM;
7644 }
7645
7646 arg_recursive = true;
7647 break;
7648
7649 case ARG_PRESET_MODE:
7650 if (streq(optarg, "help")) {
7651 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
7652 return 0;
7653 }
7654
7655 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
7656 if (arg_preset_mode < 0) {
7657 log_error("Failed to parse preset mode: %s.", optarg);
7658 return -EINVAL;
7659 }
7660
7661 break;
7662
7663 case ARG_NOW:
7664 arg_now = true;
7665 break;
7666
7667 case ARG_MESSAGE:
7668 if (strv_extend(&arg_wall, optarg) < 0)
7669 return log_oom();
7670 break;
7671
7672 case '?':
7673 return -EINVAL;
7674
7675 default:
7676 assert_not_reached("Unhandled option");
7677 }
7678
7679 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
7680 log_error("Cannot access user instance remotely.");
7681 return -EINVAL;
7682 }
7683
7684 if (arg_wait && arg_no_block) {
7685 log_error("--wait may not be combined with --no-block.");
7686 return -EINVAL;
7687 }
7688
7689 if (arg_runtime && STRPTR_IN_SET(argv[optind], "disable", "unmask", "preset", "preset-all")) {
7690 log_error("--runtime cannot be used with %s", argv[optind]);
7691 return -EINVAL;
7692 }
7693
7694 return 1;
7695 }
7696
7697 static int halt_parse_argv(int argc, char *argv[]) {
7698 enum {
7699 ARG_HELP = 0x100,
7700 ARG_HALT,
7701 ARG_REBOOT,
7702 ARG_NO_WALL
7703 };
7704
7705 static const struct option options[] = {
7706 { "help", no_argument, NULL, ARG_HELP },
7707 { "halt", no_argument, NULL, ARG_HALT },
7708 { "poweroff", no_argument, NULL, 'p' },
7709 { "reboot", no_argument, NULL, ARG_REBOOT },
7710 { "force", no_argument, NULL, 'f' },
7711 { "wtmp-only", no_argument, NULL, 'w' },
7712 { "no-wtmp", no_argument, NULL, 'd' },
7713 { "no-sync", no_argument, NULL, 'n' },
7714 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7715 {}
7716 };
7717
7718 int c, r, runlevel;
7719
7720 assert(argc >= 0);
7721 assert(argv);
7722
7723 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
7724 if (IN_SET(runlevel, '0', '6'))
7725 arg_force = 2;
7726
7727 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
7728 switch (c) {
7729
7730 case ARG_HELP:
7731 halt_help();
7732 return 0;
7733
7734 case ARG_HALT:
7735 arg_action = ACTION_HALT;
7736 break;
7737
7738 case 'p':
7739 if (arg_action != ACTION_REBOOT)
7740 arg_action = ACTION_POWEROFF;
7741 break;
7742
7743 case ARG_REBOOT:
7744 arg_action = ACTION_REBOOT;
7745 break;
7746
7747 case 'f':
7748 arg_force = 2;
7749 break;
7750
7751 case 'w':
7752 arg_dry_run = true;
7753 break;
7754
7755 case 'd':
7756 arg_no_wtmp = true;
7757 break;
7758
7759 case 'n':
7760 arg_no_sync = true;
7761 break;
7762
7763 case ARG_NO_WALL:
7764 arg_no_wall = true;
7765 break;
7766
7767 case 'i':
7768 case 'h':
7769 /* Compatibility nops */
7770 break;
7771
7772 case '?':
7773 return -EINVAL;
7774
7775 default:
7776 assert_not_reached("Unhandled option");
7777 }
7778
7779 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
7780 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
7781 if (r < 0)
7782 return r;
7783 } else if (optind < argc) {
7784 log_error("Too many arguments.");
7785 return -EINVAL;
7786 }
7787
7788 return 1;
7789 }
7790
7791 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
7792 assert(t);
7793 assert(_u);
7794
7795 if (streq(t, "now"))
7796 *_u = 0;
7797 else if (!strchr(t, ':')) {
7798 uint64_t u;
7799
7800 if (safe_atou64(t, &u) < 0)
7801 return -EINVAL;
7802
7803 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
7804 } else {
7805 char *e = NULL;
7806 long hour, minute;
7807 struct tm tm = {};
7808 time_t s;
7809 usec_t n;
7810
7811 errno = 0;
7812 hour = strtol(t, &e, 10);
7813 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
7814 return -EINVAL;
7815
7816 minute = strtol(e+1, &e, 10);
7817 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
7818 return -EINVAL;
7819
7820 n = now(CLOCK_REALTIME);
7821 s = (time_t) (n / USEC_PER_SEC);
7822
7823 assert_se(localtime_r(&s, &tm));
7824
7825 tm.tm_hour = (int) hour;
7826 tm.tm_min = (int) minute;
7827 tm.tm_sec = 0;
7828
7829 assert_se(s = mktime(&tm));
7830
7831 *_u = (usec_t) s * USEC_PER_SEC;
7832
7833 while (*_u <= n)
7834 *_u += USEC_PER_DAY;
7835 }
7836
7837 return 0;
7838 }
7839
7840 static int shutdown_parse_argv(int argc, char *argv[]) {
7841 enum {
7842 ARG_HELP = 0x100,
7843 ARG_NO_WALL
7844 };
7845
7846 static const struct option options[] = {
7847 { "help", no_argument, NULL, ARG_HELP },
7848 { "halt", no_argument, NULL, 'H' },
7849 { "poweroff", no_argument, NULL, 'P' },
7850 { "reboot", no_argument, NULL, 'r' },
7851 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
7852 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7853 {}
7854 };
7855
7856 char **wall = NULL;
7857 int c, r;
7858
7859 assert(argc >= 0);
7860 assert(argv);
7861
7862 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
7863 switch (c) {
7864
7865 case ARG_HELP:
7866 shutdown_help();
7867 return 0;
7868
7869 case 'H':
7870 arg_action = ACTION_HALT;
7871 break;
7872
7873 case 'P':
7874 arg_action = ACTION_POWEROFF;
7875 break;
7876
7877 case 'r':
7878 if (kexec_loaded())
7879 arg_action = ACTION_KEXEC;
7880 else
7881 arg_action = ACTION_REBOOT;
7882 break;
7883
7884 case 'K':
7885 arg_action = ACTION_KEXEC;
7886 break;
7887
7888 case 'h':
7889 if (arg_action != ACTION_HALT)
7890 arg_action = ACTION_POWEROFF;
7891 break;
7892
7893 case 'k':
7894 arg_dry_run = true;
7895 break;
7896
7897 case ARG_NO_WALL:
7898 arg_no_wall = true;
7899 break;
7900
7901 case 'a':
7902 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
7903 case 'f':
7904 case 'F':
7905 /* Compatibility nops */
7906 break;
7907
7908 case 'c':
7909 arg_action = ACTION_CANCEL_SHUTDOWN;
7910 break;
7911
7912 case '?':
7913 return -EINVAL;
7914
7915 default:
7916 assert_not_reached("Unhandled option");
7917 }
7918
7919 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
7920 r = parse_shutdown_time_spec(argv[optind], &arg_when);
7921 if (r < 0) {
7922 log_error("Failed to parse time specification: %s", argv[optind]);
7923 return r;
7924 }
7925 } else
7926 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
7927
7928 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
7929 /* No time argument for shutdown cancel */
7930 wall = argv + optind;
7931 else if (argc > optind + 1)
7932 /* We skip the time argument */
7933 wall = argv + optind + 1;
7934
7935 if (wall) {
7936 arg_wall = strv_copy(wall);
7937 if (!arg_wall)
7938 return log_oom();
7939 }
7940
7941 optind = argc;
7942
7943 return 1;
7944 }
7945
7946 static int telinit_parse_argv(int argc, char *argv[]) {
7947 enum {
7948 ARG_HELP = 0x100,
7949 ARG_NO_WALL
7950 };
7951
7952 static const struct option options[] = {
7953 { "help", no_argument, NULL, ARG_HELP },
7954 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7955 {}
7956 };
7957
7958 static const struct {
7959 char from;
7960 enum action to;
7961 } table[] = {
7962 { '0', ACTION_POWEROFF },
7963 { '6', ACTION_REBOOT },
7964 { '1', ACTION_RESCUE },
7965 { '2', ACTION_RUNLEVEL2 },
7966 { '3', ACTION_RUNLEVEL3 },
7967 { '4', ACTION_RUNLEVEL4 },
7968 { '5', ACTION_RUNLEVEL5 },
7969 { 's', ACTION_RESCUE },
7970 { 'S', ACTION_RESCUE },
7971 { 'q', ACTION_RELOAD },
7972 { 'Q', ACTION_RELOAD },
7973 { 'u', ACTION_REEXEC },
7974 { 'U', ACTION_REEXEC }
7975 };
7976
7977 unsigned i;
7978 int c;
7979
7980 assert(argc >= 0);
7981 assert(argv);
7982
7983 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
7984 switch (c) {
7985
7986 case ARG_HELP:
7987 telinit_help();
7988 return 0;
7989
7990 case ARG_NO_WALL:
7991 arg_no_wall = true;
7992 break;
7993
7994 case '?':
7995 return -EINVAL;
7996
7997 default:
7998 assert_not_reached("Unhandled option");
7999 }
8000
8001 if (optind >= argc) {
8002 log_error("%s: required argument missing.", program_invocation_short_name);
8003 return -EINVAL;
8004 }
8005
8006 if (optind + 1 < argc) {
8007 log_error("Too many arguments.");
8008 return -EINVAL;
8009 }
8010
8011 if (strlen(argv[optind]) != 1) {
8012 log_error("Expected single character argument.");
8013 return -EINVAL;
8014 }
8015
8016 for (i = 0; i < ELEMENTSOF(table); i++)
8017 if (table[i].from == argv[optind][0])
8018 break;
8019
8020 if (i >= ELEMENTSOF(table)) {
8021 log_error("Unknown command '%s'.", argv[optind]);
8022 return -EINVAL;
8023 }
8024
8025 arg_action = table[i].to;
8026
8027 optind++;
8028
8029 return 1;
8030 }
8031
8032 static int runlevel_parse_argv(int argc, char *argv[]) {
8033 enum {
8034 ARG_HELP = 0x100,
8035 };
8036
8037 static const struct option options[] = {
8038 { "help", no_argument, NULL, ARG_HELP },
8039 {}
8040 };
8041
8042 int c;
8043
8044 assert(argc >= 0);
8045 assert(argv);
8046
8047 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8048 switch (c) {
8049
8050 case ARG_HELP:
8051 runlevel_help();
8052 return 0;
8053
8054 case '?':
8055 return -EINVAL;
8056
8057 default:
8058 assert_not_reached("Unhandled option");
8059 }
8060
8061 if (optind < argc) {
8062 log_error("Too many arguments.");
8063 return -EINVAL;
8064 }
8065
8066 return 1;
8067 }
8068
8069 static int parse_argv(int argc, char *argv[]) {
8070 assert(argc >= 0);
8071 assert(argv);
8072
8073 if (program_invocation_short_name) {
8074
8075 if (strstr(program_invocation_short_name, "halt")) {
8076 arg_action = ACTION_HALT;
8077 return halt_parse_argv(argc, argv);
8078
8079 } else if (strstr(program_invocation_short_name, "poweroff")) {
8080 arg_action = ACTION_POWEROFF;
8081 return halt_parse_argv(argc, argv);
8082
8083 } else if (strstr(program_invocation_short_name, "reboot")) {
8084 if (kexec_loaded())
8085 arg_action = ACTION_KEXEC;
8086 else
8087 arg_action = ACTION_REBOOT;
8088 return halt_parse_argv(argc, argv);
8089
8090 } else if (strstr(program_invocation_short_name, "shutdown")) {
8091 arg_action = ACTION_POWEROFF;
8092 return shutdown_parse_argv(argc, argv);
8093
8094 } else if (strstr(program_invocation_short_name, "init")) {
8095
8096 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8097 * 1 on SysV.
8098 *
8099 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8100 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8101 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8102 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8103 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8104 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8105 * quick way to match both.
8106 *
8107 * Also see redirect_telinit() in src/core/main.c. */
8108
8109 if (sd_booted() > 0) {
8110 arg_action = _ACTION_INVALID;
8111 return telinit_parse_argv(argc, argv);
8112 } else {
8113 /* Hmm, so some other init system is running, we need to forward this request to
8114 * it. For now we simply guess that it is Upstart. */
8115
8116 execv(TELINIT, argv);
8117
8118 log_error("Couldn't find an alternative telinit implementation to spawn.");
8119 return -EIO;
8120 }
8121
8122 } else if (strstr(program_invocation_short_name, "runlevel")) {
8123 arg_action = ACTION_RUNLEVEL;
8124 return runlevel_parse_argv(argc, argv);
8125 }
8126 }
8127
8128 arg_action = ACTION_SYSTEMCTL;
8129 return systemctl_parse_argv(argc, argv);
8130 }
8131
8132 #if HAVE_SYSV_COMPAT
8133 _pure_ static int action_to_runlevel(void) {
8134 static const char table[_ACTION_MAX] = {
8135 [ACTION_HALT] = '0',
8136 [ACTION_POWEROFF] = '0',
8137 [ACTION_REBOOT] = '6',
8138 [ACTION_RUNLEVEL2] = '2',
8139 [ACTION_RUNLEVEL3] = '3',
8140 [ACTION_RUNLEVEL4] = '4',
8141 [ACTION_RUNLEVEL5] = '5',
8142 [ACTION_RESCUE] = '1'
8143 };
8144
8145 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8146
8147 return table[arg_action];
8148 }
8149 #endif
8150
8151 static int talk_initctl(void) {
8152 #if HAVE_SYSV_COMPAT
8153 struct init_request request = {
8154 .magic = INIT_MAGIC,
8155 .sleeptime = 0,
8156 .cmd = INIT_CMD_RUNLVL
8157 };
8158
8159 _cleanup_close_ int fd = -1;
8160 char rl;
8161 int r;
8162 const char *p;
8163
8164 rl = action_to_runlevel();
8165 if (!rl)
8166 return 0;
8167
8168 request.runlevel = rl;
8169
8170 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8171 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8172 if (fd >= 0 || errno != ENOENT)
8173 break;
8174 }
8175 if (fd < 0) {
8176 if (errno == ENOENT)
8177 return 0;
8178
8179 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8180 }
8181
8182 r = loop_write(fd, &request, sizeof(request), false);
8183 if (r < 0)
8184 return log_error_errno(r, "Failed to write to %s: %m", p);
8185
8186 return 1;
8187 #else
8188 return 0;
8189 #endif
8190 }
8191
8192 static int systemctl_main(int argc, char *argv[]) {
8193 static const Verb verbs[] = {
8194 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8195 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8196 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8197 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8198 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8199 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8200 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8201 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8202 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8203 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8204 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8205 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8206 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8207 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8208 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8209 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8210 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8211 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8212 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8213 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8214 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8215 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8216 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8217 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8218 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8219 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8220 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8221 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8222 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8223 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8224 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8225 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8226 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8227 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8228 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8229 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8230 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8231 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8232 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8233 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8234 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8235 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8236 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8237 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8238 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8239 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8240 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8241 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8242 { "enable", 2, VERB_ANY, 0, enable_unit },
8243 { "disable", 2, VERB_ANY, 0, enable_unit },
8244 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8245 { "reenable", 2, VERB_ANY, 0, enable_unit },
8246 { "preset", 2, VERB_ANY, 0, enable_unit },
8247 { "preset-all", VERB_ANY, 1, 0, preset_all },
8248 { "mask", 2, VERB_ANY, 0, enable_unit },
8249 { "unmask", 2, VERB_ANY, 0, enable_unit },
8250 { "link", 2, VERB_ANY, 0, enable_unit },
8251 { "revert", 2, VERB_ANY, 0, enable_unit },
8252 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8253 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8254 { "set-default", 2, 2, 0, set_default },
8255 { "get-default", VERB_ANY, 1, 0, get_default },
8256 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8257 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8258 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8259 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8260 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8261 {}
8262 };
8263
8264 return dispatch_verb(argc, argv, verbs, NULL);
8265 }
8266
8267 static int reload_with_fallback(void) {
8268 /* First, try systemd via D-Bus. */
8269 if (daemon_reload(0, NULL, NULL) >= 0)
8270 return 0;
8271
8272 /* Nothing else worked, so let's try signals */
8273 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8274
8275 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8276 return log_error_errno(errno, "kill() failed: %m");
8277
8278 return 0;
8279 }
8280
8281 static int start_with_fallback(void) {
8282 /* First, try systemd via D-Bus. */
8283 if (start_unit(0, NULL, NULL) >= 0)
8284 return 0;
8285
8286 /* Nothing else worked, so let's try /dev/initctl */
8287 if (talk_initctl() > 0)
8288 return 0;
8289
8290 log_error("Failed to talk to init daemon.");
8291 return -EIO;
8292 }
8293
8294 static int halt_now(enum action a) {
8295 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8296 * synce'd explicitly in advance. */
8297 if (!arg_no_sync && !arg_dry_run)
8298 (void) sync();
8299
8300 /* Make sure C-A-D is handled by the kernel from this point on... */
8301 if (!arg_dry_run)
8302 (void) reboot(RB_ENABLE_CAD);
8303
8304 switch (a) {
8305
8306 case ACTION_HALT:
8307 if (!arg_quiet)
8308 log_info("Halting.");
8309 if (arg_dry_run)
8310 return 0;
8311 (void) reboot(RB_HALT_SYSTEM);
8312 return -errno;
8313
8314 case ACTION_POWEROFF:
8315 if (!arg_quiet)
8316 log_info("Powering off.");
8317 if (arg_dry_run)
8318 return 0;
8319 (void) reboot(RB_POWER_OFF);
8320 return -errno;
8321
8322 case ACTION_KEXEC:
8323 case ACTION_REBOOT:
8324 return reboot_with_parameter(REBOOT_FALLBACK |
8325 (arg_quiet ? 0 : REBOOT_LOG) |
8326 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8327
8328 default:
8329 assert_not_reached("Unknown action.");
8330 }
8331 }
8332
8333 static int logind_schedule_shutdown(void) {
8334
8335 #if ENABLE_LOGIND
8336 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8337 char date[FORMAT_TIMESTAMP_MAX];
8338 const char *action;
8339 sd_bus *bus;
8340 int r;
8341
8342 r = acquire_bus(BUS_FULL, &bus);
8343 if (r < 0)
8344 return r;
8345
8346 switch (arg_action) {
8347 case ACTION_HALT:
8348 action = "halt";
8349 break;
8350 case ACTION_POWEROFF:
8351 action = "poweroff";
8352 break;
8353 case ACTION_KEXEC:
8354 action = "kexec";
8355 break;
8356 case ACTION_EXIT:
8357 action = "exit";
8358 break;
8359 case ACTION_REBOOT:
8360 default:
8361 action = "reboot";
8362 break;
8363 }
8364
8365 if (arg_dry_run)
8366 action = strjoina("dry-", action);
8367
8368 (void) logind_set_wall_message();
8369
8370 r = sd_bus_call_method(
8371 bus,
8372 "org.freedesktop.login1",
8373 "/org/freedesktop/login1",
8374 "org.freedesktop.login1.Manager",
8375 "ScheduleShutdown",
8376 &error,
8377 NULL,
8378 "st",
8379 action,
8380 arg_when);
8381 if (r < 0)
8382 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8383
8384 if (!arg_quiet)
8385 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8386 return 0;
8387 #else
8388 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8389 return -ENOSYS;
8390 #endif
8391 }
8392
8393 static int halt_main(void) {
8394 int r;
8395
8396 r = logind_check_inhibitors(arg_action);
8397 if (r < 0)
8398 return r;
8399
8400 if (arg_when > 0)
8401 return logind_schedule_shutdown();
8402
8403 if (geteuid() != 0) {
8404 if (arg_dry_run || arg_force > 0) {
8405 (void) must_be_root();
8406 return -EPERM;
8407 }
8408
8409 /* Try logind if we are a normal user and no special
8410 * mode applies. Maybe PolicyKit allows us to shutdown
8411 * the machine. */
8412 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
8413 r = logind_reboot(arg_action);
8414 if (r >= 0)
8415 return r;
8416 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
8417 /* requested operation is not
8418 * supported on the local system or
8419 * already in progress */
8420 return r;
8421 /* on all other errors, try low-level operation */
8422 }
8423 }
8424
8425 /* In order to minimize the difference between operation with and
8426 * without logind, we explicitly enable non-blocking mode for this,
8427 * as logind's shutdown operations are always non-blocking. */
8428 arg_no_block = true;
8429
8430 if (!arg_dry_run && !arg_force)
8431 return start_with_fallback();
8432
8433 assert(geteuid() == 0);
8434
8435 if (!arg_no_wtmp) {
8436 if (sd_booted() > 0)
8437 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
8438 else {
8439 r = utmp_put_shutdown();
8440 if (r < 0)
8441 log_warning_errno(r, "Failed to write utmp record: %m");
8442 }
8443 }
8444
8445 if (arg_dry_run)
8446 return 0;
8447
8448 r = halt_now(arg_action);
8449 return log_error_errno(r, "Failed to reboot: %m");
8450 }
8451
8452 static int runlevel_main(void) {
8453 int r, runlevel, previous;
8454
8455 r = utmp_get_runlevel(&runlevel, &previous);
8456 if (r < 0) {
8457 puts("unknown");
8458 return r;
8459 }
8460
8461 printf("%c %c\n",
8462 previous <= 0 ? 'N' : previous,
8463 runlevel <= 0 ? 'N' : runlevel);
8464
8465 return 0;
8466 }
8467
8468 static int logind_cancel_shutdown(void) {
8469 #if ENABLE_LOGIND
8470 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8471 sd_bus *bus;
8472 int r;
8473
8474 r = acquire_bus(BUS_FULL, &bus);
8475 if (r < 0)
8476 return r;
8477
8478 (void) logind_set_wall_message();
8479
8480 r = sd_bus_call_method(
8481 bus,
8482 "org.freedesktop.login1",
8483 "/org/freedesktop/login1",
8484 "org.freedesktop.login1.Manager",
8485 "CancelScheduledShutdown",
8486 &error,
8487 NULL, NULL);
8488 if (r < 0)
8489 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
8490
8491 return 0;
8492 #else
8493 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
8494 return -ENOSYS;
8495 #endif
8496 }
8497
8498 int main(int argc, char*argv[]) {
8499 int r;
8500
8501 argv_cmdline = argv[0];
8502
8503 setlocale(LC_ALL, "");
8504 log_parse_environment();
8505 log_open();
8506 sigbus_install();
8507
8508 /* Explicitly not on_tty() to avoid setting cached value.
8509 * This becomes relevant for piping output which might be
8510 * ellipsized. */
8511 original_stdout_is_tty = isatty(STDOUT_FILENO);
8512
8513 r = parse_argv(argc, argv);
8514 if (r <= 0)
8515 goto finish;
8516
8517 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
8518
8519 if (!arg_quiet)
8520 log_info("Running in chroot, ignoring request.");
8521 r = 0;
8522 goto finish;
8523 }
8524
8525 /* systemctl_main() will print an error message for the bus
8526 * connection, but only if it needs to */
8527
8528 switch (arg_action) {
8529
8530 case ACTION_SYSTEMCTL:
8531 r = systemctl_main(argc, argv);
8532 break;
8533
8534 /* Legacy command aliases set arg_action. They provide some fallbacks,
8535 * e.g. to tell sysvinit to reboot after you have installed systemd
8536 * binaries. */
8537
8538 case ACTION_HALT:
8539 case ACTION_POWEROFF:
8540 case ACTION_REBOOT:
8541 case ACTION_KEXEC:
8542 r = halt_main();
8543 break;
8544
8545 case ACTION_RUNLEVEL2:
8546 case ACTION_RUNLEVEL3:
8547 case ACTION_RUNLEVEL4:
8548 case ACTION_RUNLEVEL5:
8549 case ACTION_RESCUE:
8550 r = start_with_fallback();
8551 break;
8552
8553 case ACTION_RELOAD:
8554 case ACTION_REEXEC:
8555 r = reload_with_fallback();
8556 break;
8557
8558 case ACTION_CANCEL_SHUTDOWN:
8559 r = logind_cancel_shutdown();
8560 break;
8561
8562 case ACTION_RUNLEVEL:
8563 r = runlevel_main();
8564 break;
8565
8566 case ACTION_EXIT:
8567 case ACTION_SUSPEND:
8568 case ACTION_HIBERNATE:
8569 case ACTION_HYBRID_SLEEP:
8570 case ACTION_SUSPEND_THEN_HIBERNATE:
8571 case ACTION_EMERGENCY:
8572 case ACTION_DEFAULT:
8573 /* systemctl verbs with no equivalent in the legacy commands.
8574 * These cannot appear in arg_action. Fall through. */
8575
8576 case _ACTION_INVALID:
8577 default:
8578 assert_not_reached("Unknown action");
8579 }
8580
8581 finish:
8582 release_busses();
8583
8584 pager_close();
8585 ask_password_agent_close();
8586 polkit_agent_close();
8587
8588 strv_free(arg_types);
8589 strv_free(arg_states);
8590 strv_free(arg_properties);
8591
8592 strv_free(arg_wall);
8593 free(arg_root);
8594 free(arg_esp_path);
8595
8596 /* Note that we return r here, not EXIT_SUCCESS, so that we can implement the LSB-like return codes */
8597 return r < 0 ? EXIT_FAILURE : r;
8598 }
Unnamed repository; edit this file 'description' to name the repository.