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Merge pull request #8822 from fbuihuu/rfc-tmpfiles-safe-upstream
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 /***
3 Copyright © 2013 Marc-Antoine Perennou
4 ***/
5
6 #include <errno.h>
7 #include <fcntl.h>
8 #include <getopt.h>
9 #include <locale.h>
10 #include <stdbool.h>
11 #include <stddef.h>
12 #include <stdio.h>
13 #include <string.h>
14 #include <sys/prctl.h>
15 #include <sys/reboot.h>
16 #include <sys/socket.h>
17 #include <unistd.h>
18
19 #include "sd-bus.h"
20 #include "sd-daemon.h"
21 #include "sd-login.h"
22
23 #include "alloc-util.h"
24 #include "bootspec.h"
25 #include "bus-common-errors.h"
26 #include "bus-error.h"
27 #include "bus-message.h"
28 #include "bus-unit-util.h"
29 #include "bus-util.h"
30 #include "cgroup-show.h"
31 #include "cgroup-util.h"
32 #include "copy.h"
33 #include "dropin.h"
34 #include "efivars.h"
35 #include "env-util.h"
36 #include "escape.h"
37 #include "exit-status.h"
38 #include "fd-util.h"
39 #include "fileio.h"
40 #include "format-util.h"
41 #include "fs-util.h"
42 #include "glob-util.h"
43 #include "hexdecoct.h"
44 #include "hostname-util.h"
45 #include "initreq.h"
46 #include "install.h"
47 #include "io-util.h"
48 #include "list.h"
49 #include "locale-util.h"
50 #include "log.h"
51 #include "logs-show.h"
52 #include "macro.h"
53 #include "mkdir.h"
54 #include "pager.h"
55 #include "parse-util.h"
56 #include "path-lookup.h"
57 #include "path-util.h"
58 #include "process-util.h"
59 #include "reboot-util.h"
60 #include "rlimit-util.h"
61 #include "set.h"
62 #include "sigbus.h"
63 #include "signal-util.h"
64 #include "socket-util.h"
65 #include "spawn-ask-password-agent.h"
66 #include "spawn-polkit-agent.h"
67 #include "special.h"
68 #include "stat-util.h"
69 #include "string-table.h"
70 #include "strv.h"
71 #include "terminal-util.h"
72 #include "unit-def.h"
73 #include "unit-name.h"
74 #include "user-util.h"
75 #include "util.h"
76 #include "utmp-wtmp.h"
77 #include "verbs.h"
78 #include "virt.h"
79
80 /* The init script exit status codes
81 0 program is running or service is OK
82 1 program is dead and /var/run pid file exists
83 2 program is dead and /var/lock lock file exists
84 3 program is not running
85 4 program or service status is unknown
86 5-99 reserved for future LSB use
87 100-149 reserved for distribution use
88 150-199 reserved for application use
89 200-254 reserved
90 */
91 enum {
92 EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0,
93 EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1,
94 EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2,
95 EXIT_PROGRAM_NOT_RUNNING = 3,
96 EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4,
97 };
98
99 static char **arg_types = NULL;
100 static char **arg_states = NULL;
101 static char **arg_properties = NULL;
102 static bool arg_all = false;
103 static enum dependency {
104 DEPENDENCY_FORWARD,
105 DEPENDENCY_REVERSE,
106 DEPENDENCY_AFTER,
107 DEPENDENCY_BEFORE,
108 _DEPENDENCY_MAX
109 } arg_dependency = DEPENDENCY_FORWARD;
110 static const char *arg_job_mode = "replace";
111 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
112 static bool arg_wait = false;
113 static bool arg_no_block = false;
114 static bool arg_no_legend = false;
115 static bool arg_no_pager = false;
116 static bool arg_no_wtmp = false;
117 static bool arg_no_sync = false;
118 static bool arg_no_wall = false;
119 static bool arg_no_reload = false;
120 static bool arg_value = false;
121 static bool arg_show_types = false;
122 static bool arg_ignore_inhibitors = false;
123 static bool arg_dry_run = false;
124 static bool arg_quiet = false;
125 static bool arg_full = false;
126 static bool arg_recursive = false;
127 static int arg_force = 0;
128 static bool arg_ask_password = false;
129 static bool arg_runtime = false;
130 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
131 static char **arg_wall = NULL;
132 static const char *arg_kill_who = NULL;
133 static int arg_signal = SIGTERM;
134 static char *arg_root = NULL;
135 static usec_t arg_when = 0;
136 static char *arg_esp_path = NULL;
137 static char *argv_cmdline = NULL;
138 static enum action {
139 ACTION_SYSTEMCTL,
140 ACTION_HALT,
141 ACTION_POWEROFF,
142 ACTION_REBOOT,
143 ACTION_KEXEC,
144 ACTION_EXIT,
145 ACTION_SUSPEND,
146 ACTION_HIBERNATE,
147 ACTION_HYBRID_SLEEP,
148 ACTION_SUSPEND_THEN_HIBERNATE,
149 ACTION_RUNLEVEL2,
150 ACTION_RUNLEVEL3,
151 ACTION_RUNLEVEL4,
152 ACTION_RUNLEVEL5,
153 ACTION_RESCUE,
154 ACTION_EMERGENCY,
155 ACTION_DEFAULT,
156 ACTION_RELOAD,
157 ACTION_REEXEC,
158 ACTION_RUNLEVEL,
159 ACTION_CANCEL_SHUTDOWN,
160 _ACTION_MAX,
161 _ACTION_INVALID = -1
162 } arg_action = ACTION_SYSTEMCTL;
163 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
164 static const char *arg_host = NULL;
165 static unsigned arg_lines = 10;
166 static OutputMode arg_output = OUTPUT_SHORT;
167 static bool arg_plain = false;
168 static bool arg_firmware_setup = false;
169 static bool arg_now = false;
170 static bool arg_jobs_before = false;
171 static bool arg_jobs_after = false;
172
173 static int daemon_reload(int argc, char *argv[], void* userdata);
174 static int trivial_method(int argc, char *argv[], void *userdata);
175 static int halt_now(enum action a);
176 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
177
178 static bool original_stdout_is_tty;
179
180 typedef enum BusFocus {
181 BUS_FULL, /* The full bus indicated via --system or --user */
182 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
183 _BUS_FOCUS_MAX
184 } BusFocus;
185
186 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
187
188 static UnitFileFlags args_to_flags(void) {
189 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
190 (arg_force ? UNIT_FILE_FORCE : 0);
191 }
192
193 static int acquire_bus(BusFocus focus, sd_bus **ret) {
194 int r;
195
196 assert(focus < _BUS_FOCUS_MAX);
197 assert(ret);
198
199 /* We only go directly to the manager, if we are using a local transport */
200 if (arg_transport != BUS_TRANSPORT_LOCAL)
201 focus = BUS_FULL;
202
203 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
204 focus = BUS_FULL;
205
206 if (!busses[focus]) {
207 bool user;
208
209 user = arg_scope != UNIT_FILE_SYSTEM;
210
211 if (focus == BUS_MANAGER)
212 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
213 else
214 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
215 if (r < 0)
216 return log_error_errno(r, "Failed to connect to bus: %m");
217
218 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
219 }
220
221 *ret = busses[focus];
222 return 0;
223 }
224
225 static void release_busses(void) {
226 BusFocus w;
227
228 for (w = 0; w < _BUS_FOCUS_MAX; w++)
229 busses[w] = sd_bus_flush_close_unref(busses[w]);
230 }
231
232 static void ask_password_agent_open_if_enabled(void) {
233 /* Open the password agent as a child process if necessary */
234
235 if (arg_dry_run)
236 return;
237
238 if (!arg_ask_password)
239 return;
240
241 if (arg_scope != UNIT_FILE_SYSTEM)
242 return;
243
244 if (arg_transport != BUS_TRANSPORT_LOCAL)
245 return;
246
247 ask_password_agent_open();
248 }
249
250 static void polkit_agent_open_maybe(void) {
251 /* Open the polkit agent as a child process if necessary */
252
253 if (arg_scope != UNIT_FILE_SYSTEM)
254 return;
255
256 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
257 }
258
259 static OutputFlags get_output_flags(void) {
260 return
261 arg_all * OUTPUT_SHOW_ALL |
262 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
263 colors_enabled() * OUTPUT_COLOR |
264 !arg_quiet * OUTPUT_WARN_CUTOFF;
265 }
266
267 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
268 assert(error);
269
270 if (!sd_bus_error_is_set(error))
271 return r;
272
273 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
274 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
275 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
276 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
277 return EXIT_NOPERMISSION;
278
279 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
280 return EXIT_NOTINSTALLED;
281
282 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
283 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
284 return EXIT_NOTIMPLEMENTED;
285
286 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
287 return EXIT_NOTCONFIGURED;
288
289 if (r != 0)
290 return r;
291
292 return EXIT_FAILURE;
293 }
294
295 static bool install_client_side(void) {
296 /* Decides when to execute enable/disable/... operations
297 * client-side rather than server-side. */
298
299 if (running_in_chroot_or_offline())
300 return true;
301
302 if (sd_booted() <= 0)
303 return true;
304
305 if (!isempty(arg_root))
306 return true;
307
308 if (arg_scope == UNIT_FILE_GLOBAL)
309 return true;
310
311 /* Unsupported environment variable, mostly for debugging purposes */
312 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
313 return true;
314
315 return false;
316 }
317
318 static int compare_unit_info(const void *a, const void *b) {
319 const UnitInfo *u = a, *v = b;
320 const char *d1, *d2;
321 int r;
322
323 /* First, order by machine */
324 if (!u->machine && v->machine)
325 return -1;
326 if (u->machine && !v->machine)
327 return 1;
328 if (u->machine && v->machine) {
329 r = strcasecmp(u->machine, v->machine);
330 if (r != 0)
331 return r;
332 }
333
334 /* Second, order by unit type */
335 d1 = strrchr(u->id, '.');
336 d2 = strrchr(v->id, '.');
337 if (d1 && d2) {
338 r = strcasecmp(d1, d2);
339 if (r != 0)
340 return r;
341 }
342
343 /* Third, order by name */
344 return strcasecmp(u->id, v->id);
345 }
346
347 static const char* unit_type_suffix(const char *name) {
348 const char *dot;
349
350 dot = strrchr(name, '.');
351 if (!dot)
352 return "";
353
354 return dot + 1;
355 }
356
357 static bool output_show_unit(const UnitInfo *u, char **patterns) {
358 assert(u);
359
360 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
361 return false;
362
363 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
364 return false;
365
366 if (arg_all)
367 return true;
368
369 /* Note that '--all' is not purely a state filter, but also a
370 * filter that hides units that "follow" other units (which is
371 * used for device units that appear under different names). */
372 if (!isempty(u->following))
373 return false;
374
375 if (!strv_isempty(arg_states))
376 return true;
377
378 /* By default show all units except the ones in inactive
379 * state and with no pending job */
380 if (u->job_id > 0)
381 return true;
382
383 if (streq(u->active_state, "inactive"))
384 return false;
385
386 return true;
387 }
388
389 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
390 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
391 const UnitInfo *u;
392 unsigned n_shown = 0;
393 int job_count = 0;
394
395 max_id_len = STRLEN("UNIT");
396 load_len = STRLEN("LOAD");
397 active_len = STRLEN("ACTIVE");
398 sub_len = STRLEN("SUB");
399 job_len = STRLEN("JOB");
400 max_desc_len = STRLEN("DESCRIPTION");
401
402 for (u = unit_infos; u < unit_infos + c; u++) {
403 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
404 load_len = MAX(load_len, strlen(u->load_state));
405 active_len = MAX(active_len, strlen(u->active_state));
406 sub_len = MAX(sub_len, strlen(u->sub_state));
407 max_desc_len = MAX(max_desc_len, strlen(u->description));
408
409 if (u->job_id != 0) {
410 job_len = MAX(job_len, strlen(u->job_type));
411 job_count++;
412 }
413
414 if (!arg_no_legend &&
415 (streq(u->active_state, "failed") ||
416 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
417 circle_len = 2;
418 }
419
420 if (!arg_full && original_stdout_is_tty) {
421 unsigned basic_len;
422
423 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
424 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
425
426 if (job_count)
427 basic_len += job_len + 1;
428
429 if (basic_len < (unsigned) columns()) {
430 unsigned extra_len, incr;
431 extra_len = columns() - basic_len;
432
433 /* Either UNIT already got 25, or is fully satisfied.
434 * Grant up to 25 to DESC now. */
435 incr = MIN(extra_len, 25u);
436 desc_len = incr;
437 extra_len -= incr;
438
439 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
440 * description but not more than it needs. */
441 if (extra_len > 0) {
442 incr = MIN(max_id_len - id_len, extra_len);
443 id_len += incr;
444 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
445 }
446 } else
447 desc_len = 0;
448 } else {
449 id_len = max_id_len;
450 desc_len = max_desc_len;
451 }
452
453 for (u = unit_infos; u < unit_infos + c; u++) {
454 _cleanup_free_ char *e = NULL, *j = NULL;
455 const char *on_underline = "", *off_underline = "";
456 const char *on_loaded = "", *off_loaded = "";
457 const char *on_active = "", *off_active = "";
458 const char *on_circle = "", *off_circle = "";
459 const char *id;
460 bool circle = false, underline = false;
461
462 if (!n_shown && !arg_no_legend) {
463
464 if (circle_len > 0)
465 fputs(" ", stdout);
466
467 printf("%s%-*s %-*s %-*s %-*s ",
468 ansi_underline(),
469 id_len, "UNIT",
470 load_len, "LOAD",
471 active_len, "ACTIVE",
472 sub_len, "SUB");
473
474 if (job_count)
475 printf("%-*s ", job_len, "JOB");
476
477 printf("%-*.*s%s\n",
478 desc_len,
479 !arg_full && arg_no_pager ? (int) desc_len : -1,
480 "DESCRIPTION",
481 ansi_normal());
482 }
483
484 n_shown++;
485
486 if (u + 1 < unit_infos + c &&
487 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
488 on_underline = ansi_underline();
489 off_underline = ansi_normal();
490 underline = true;
491 }
492
493 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
494 on_circle = ansi_highlight_yellow();
495 off_circle = ansi_normal();
496 circle = true;
497 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
498 off_loaded = underline ? on_underline : ansi_normal();
499 } else if (streq(u->active_state, "failed") && !arg_plain) {
500 on_circle = ansi_highlight_red();
501 off_circle = ansi_normal();
502 circle = true;
503 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
504 off_active = underline ? on_underline : ansi_normal();
505 }
506
507 if (u->machine) {
508 j = strjoin(u->machine, ":", u->id);
509 if (!j)
510 return log_oom();
511
512 id = j;
513 } else
514 id = u->id;
515
516 if (arg_full) {
517 e = ellipsize(id, id_len, 33);
518 if (!e)
519 return log_oom();
520
521 id = e;
522 }
523
524 if (circle_len > 0)
525 printf("%s%s%s ", on_circle, circle ? special_glyph(BLACK_CIRCLE) : " ", off_circle);
526
527 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
528 on_underline,
529 on_active, id_len, id, off_active,
530 on_loaded, load_len, u->load_state, off_loaded,
531 on_active, active_len, u->active_state,
532 sub_len, u->sub_state, off_active,
533 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
534
535 printf("%-*.*s%s\n",
536 desc_len,
537 !arg_full && arg_no_pager ? (int) desc_len : -1,
538 u->description,
539 off_underline);
540 }
541
542 if (!arg_no_legend) {
543 const char *on, *off;
544
545 if (n_shown) {
546 puts("\n"
547 "LOAD = Reflects whether the unit definition was properly loaded.\n"
548 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
549 "SUB = The low-level unit activation state, values depend on unit type.");
550 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
551 on = ansi_highlight();
552 off = ansi_normal();
553 } else {
554 on = ansi_highlight_red();
555 off = ansi_normal();
556 }
557
558 if (arg_all)
559 printf("%s%u loaded units listed.%s\n"
560 "To show all installed unit files use 'systemctl list-unit-files'.\n",
561 on, n_shown, off);
562 else
563 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
564 "To show all installed unit files use 'systemctl list-unit-files'.\n",
565 on, n_shown, off);
566 }
567
568 return 0;
569 }
570
571 static int get_unit_list(
572 sd_bus *bus,
573 const char *machine,
574 char **patterns,
575 UnitInfo **unit_infos,
576 int c,
577 sd_bus_message **_reply) {
578
579 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
580 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
581 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
582 size_t size = c;
583 int r;
584 UnitInfo u;
585 bool fallback = false;
586
587 assert(bus);
588 assert(unit_infos);
589 assert(_reply);
590
591 r = sd_bus_message_new_method_call(
592 bus,
593 &m,
594 "org.freedesktop.systemd1",
595 "/org/freedesktop/systemd1",
596 "org.freedesktop.systemd1.Manager",
597 "ListUnitsByPatterns");
598 if (r < 0)
599 return bus_log_create_error(r);
600
601 r = sd_bus_message_append_strv(m, arg_states);
602 if (r < 0)
603 return bus_log_create_error(r);
604
605 r = sd_bus_message_append_strv(m, patterns);
606 if (r < 0)
607 return bus_log_create_error(r);
608
609 r = sd_bus_call(bus, m, 0, &error, &reply);
610 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
611 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
612 /* Fallback to legacy ListUnitsFiltered method */
613 fallback = true;
614 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
615 m = sd_bus_message_unref(m);
616 sd_bus_error_free(&error);
617
618 r = sd_bus_message_new_method_call(
619 bus,
620 &m,
621 "org.freedesktop.systemd1",
622 "/org/freedesktop/systemd1",
623 "org.freedesktop.systemd1.Manager",
624 "ListUnitsFiltered");
625 if (r < 0)
626 return bus_log_create_error(r);
627
628 r = sd_bus_message_append_strv(m, arg_states);
629 if (r < 0)
630 return bus_log_create_error(r);
631
632 r = sd_bus_call(bus, m, 0, &error, &reply);
633 }
634 if (r < 0)
635 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
636
637 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
638 if (r < 0)
639 return bus_log_parse_error(r);
640
641 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
642 u.machine = machine;
643
644 if (!output_show_unit(&u, fallback ? patterns : NULL))
645 continue;
646
647 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
648 return log_oom();
649
650 (*unit_infos)[c++] = u;
651 }
652 if (r < 0)
653 return bus_log_parse_error(r);
654
655 r = sd_bus_message_exit_container(reply);
656 if (r < 0)
657 return bus_log_parse_error(r);
658
659 *_reply = TAKE_PTR(reply);
660
661 return c;
662 }
663
664 static void message_set_freep(Set **set) {
665 set_free_with_destructor(*set, sd_bus_message_unref);
666 }
667
668 static int get_unit_list_recursive(
669 sd_bus *bus,
670 char **patterns,
671 UnitInfo **_unit_infos,
672 Set **_replies,
673 char ***_machines) {
674
675 _cleanup_free_ UnitInfo *unit_infos = NULL;
676 _cleanup_(message_set_freep) Set *replies;
677 sd_bus_message *reply;
678 int c, r;
679
680 assert(bus);
681 assert(_replies);
682 assert(_unit_infos);
683 assert(_machines);
684
685 replies = set_new(NULL);
686 if (!replies)
687 return log_oom();
688
689 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
690 if (c < 0)
691 return c;
692
693 r = set_put(replies, reply);
694 if (r < 0) {
695 sd_bus_message_unref(reply);
696 return log_oom();
697 }
698
699 if (arg_recursive) {
700 _cleanup_strv_free_ char **machines = NULL;
701 char **i;
702
703 r = sd_get_machine_names(&machines);
704 if (r < 0)
705 return log_error_errno(r, "Failed to get machine names: %m");
706
707 STRV_FOREACH(i, machines) {
708 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
709 int k;
710
711 r = sd_bus_open_system_machine(&container, *i);
712 if (r < 0) {
713 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
714 continue;
715 }
716
717 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
718 if (k < 0)
719 return k;
720
721 c = k;
722
723 r = set_put(replies, reply);
724 if (r < 0) {
725 sd_bus_message_unref(reply);
726 return log_oom();
727 }
728 }
729
730 *_machines = TAKE_PTR(machines);
731 } else
732 *_machines = NULL;
733
734 *_unit_infos = TAKE_PTR(unit_infos);
735
736 *_replies = TAKE_PTR(replies);
737
738 return c;
739 }
740
741 static int list_units(int argc, char *argv[], void *userdata) {
742 _cleanup_free_ UnitInfo *unit_infos = NULL;
743 _cleanup_(message_set_freep) Set *replies = NULL;
744 _cleanup_strv_free_ char **machines = NULL;
745 sd_bus *bus;
746 int r;
747
748 r = acquire_bus(BUS_MANAGER, &bus);
749 if (r < 0)
750 return r;
751
752 (void) pager_open(arg_no_pager, false);
753
754 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
755 if (r < 0)
756 return r;
757
758 qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
759 return output_units_list(unit_infos, r);
760 }
761
762 static int get_triggered_units(
763 sd_bus *bus,
764 const char* path,
765 char*** ret) {
766
767 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
768 int r;
769
770 assert(bus);
771 assert(path);
772 assert(ret);
773
774 r = sd_bus_get_property_strv(
775 bus,
776 "org.freedesktop.systemd1",
777 path,
778 "org.freedesktop.systemd1.Unit",
779 "Triggers",
780 &error,
781 ret);
782 if (r < 0)
783 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
784
785 return 0;
786 }
787
788 static int get_listening(
789 sd_bus *bus,
790 const char* unit_path,
791 char*** listening) {
792
793 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
794 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
795 const char *type, *path;
796 int r, n = 0;
797
798 r = sd_bus_get_property(
799 bus,
800 "org.freedesktop.systemd1",
801 unit_path,
802 "org.freedesktop.systemd1.Socket",
803 "Listen",
804 &error,
805 &reply,
806 "a(ss)");
807 if (r < 0)
808 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
809
810 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
811 if (r < 0)
812 return bus_log_parse_error(r);
813
814 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
815
816 r = strv_extend(listening, type);
817 if (r < 0)
818 return log_oom();
819
820 r = strv_extend(listening, path);
821 if (r < 0)
822 return log_oom();
823
824 n++;
825 }
826 if (r < 0)
827 return bus_log_parse_error(r);
828
829 r = sd_bus_message_exit_container(reply);
830 if (r < 0)
831 return bus_log_parse_error(r);
832
833 return n;
834 }
835
836 struct socket_info {
837 const char *machine;
838 const char* id;
839
840 char* type;
841 char* path;
842
843 /* Note: triggered is a list here, although it almost certainly
844 * will always be one unit. Nevertheless, dbus API allows for multiple
845 * values, so let's follow that. */
846 char** triggered;
847
848 /* The strv above is shared. free is set only in the first one. */
849 bool own_triggered;
850 };
851
852 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
853 int o;
854
855 assert(a);
856 assert(b);
857
858 if (!a->machine && b->machine)
859 return -1;
860 if (a->machine && !b->machine)
861 return 1;
862 if (a->machine && b->machine) {
863 o = strcasecmp(a->machine, b->machine);
864 if (o != 0)
865 return o;
866 }
867
868 o = strcmp(a->path, b->path);
869 if (o == 0)
870 o = strcmp(a->type, b->type);
871
872 return o;
873 }
874
875 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
876 struct socket_info *s;
877 unsigned pathlen = STRLEN("LISTEN"),
878 typelen = STRLEN("TYPE") * arg_show_types,
879 socklen = STRLEN("UNIT"),
880 servlen = STRLEN("ACTIVATES");
881 const char *on, *off;
882
883 for (s = socket_infos; s < socket_infos + cs; s++) {
884 unsigned tmp = 0;
885 char **a;
886
887 socklen = MAX(socklen, strlen(s->id));
888 if (arg_show_types)
889 typelen = MAX(typelen, strlen(s->type));
890 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
891
892 STRV_FOREACH(a, s->triggered)
893 tmp += strlen(*a) + 2*(a != s->triggered);
894 servlen = MAX(servlen, tmp);
895 }
896
897 if (cs) {
898 if (!arg_no_legend)
899 printf("%-*s %-*.*s%-*s %s\n",
900 pathlen, "LISTEN",
901 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
902 socklen, "UNIT",
903 "ACTIVATES");
904
905 for (s = socket_infos; s < socket_infos + cs; s++) {
906 _cleanup_free_ char *j = NULL;
907 const char *path;
908 char **a;
909
910 if (s->machine) {
911 j = strjoin(s->machine, ":", s->path);
912 if (!j)
913 return log_oom();
914 path = j;
915 } else
916 path = s->path;
917
918 if (arg_show_types)
919 printf("%-*s %-*s %-*s",
920 pathlen, path, typelen, s->type, socklen, s->id);
921 else
922 printf("%-*s %-*s",
923 pathlen, path, socklen, s->id);
924 STRV_FOREACH(a, s->triggered)
925 printf("%s %s",
926 a == s->triggered ? "" : ",", *a);
927 printf("\n");
928 }
929
930 on = ansi_highlight();
931 off = ansi_normal();
932 if (!arg_no_legend)
933 printf("\n");
934 } else {
935 on = ansi_highlight_red();
936 off = ansi_normal();
937 }
938
939 if (!arg_no_legend) {
940 printf("%s%u sockets listed.%s\n", on, cs, off);
941 if (!arg_all)
942 printf("Pass --all to see loaded but inactive sockets, too.\n");
943 }
944
945 return 0;
946 }
947
948 static int list_sockets(int argc, char *argv[], void *userdata) {
949 _cleanup_(message_set_freep) Set *replies = NULL;
950 _cleanup_strv_free_ char **machines = NULL;
951 _cleanup_free_ UnitInfo *unit_infos = NULL;
952 _cleanup_free_ struct socket_info *socket_infos = NULL;
953 const UnitInfo *u;
954 struct socket_info *s;
955 unsigned cs = 0;
956 size_t size = 0;
957 int r = 0, n;
958 sd_bus *bus;
959
960 r = acquire_bus(BUS_MANAGER, &bus);
961 if (r < 0)
962 return r;
963
964 (void) pager_open(arg_no_pager, false);
965
966 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
967 if (n < 0)
968 return n;
969
970 for (u = unit_infos; u < unit_infos + n; u++) {
971 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
972 int i, c;
973
974 if (!endswith(u->id, ".socket"))
975 continue;
976
977 r = get_triggered_units(bus, u->unit_path, &triggered);
978 if (r < 0)
979 goto cleanup;
980
981 c = get_listening(bus, u->unit_path, &listening);
982 if (c < 0) {
983 r = c;
984 goto cleanup;
985 }
986
987 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
988 r = log_oom();
989 goto cleanup;
990 }
991
992 for (i = 0; i < c; i++)
993 socket_infos[cs + i] = (struct socket_info) {
994 .machine = u->machine,
995 .id = u->id,
996 .type = listening[i*2],
997 .path = listening[i*2 + 1],
998 .triggered = triggered,
999 .own_triggered = i==0,
1000 };
1001
1002 /* from this point on we will cleanup those socket_infos */
1003 cs += c;
1004 free(listening);
1005 listening = triggered = NULL; /* avoid cleanup */
1006 }
1007
1008 qsort_safe(socket_infos, cs, sizeof(struct socket_info),
1009 (__compar_fn_t) socket_info_compare);
1010
1011 output_sockets_list(socket_infos, cs);
1012
1013 cleanup:
1014 assert(cs == 0 || socket_infos);
1015 for (s = socket_infos; s < socket_infos + cs; s++) {
1016 free(s->type);
1017 free(s->path);
1018 if (s->own_triggered)
1019 strv_free(s->triggered);
1020 }
1021
1022 return r;
1023 }
1024
1025 static int get_next_elapse(
1026 sd_bus *bus,
1027 const char *path,
1028 dual_timestamp *next) {
1029
1030 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1031 dual_timestamp t;
1032 int r;
1033
1034 assert(bus);
1035 assert(path);
1036 assert(next);
1037
1038 r = sd_bus_get_property_trivial(
1039 bus,
1040 "org.freedesktop.systemd1",
1041 path,
1042 "org.freedesktop.systemd1.Timer",
1043 "NextElapseUSecMonotonic",
1044 &error,
1045 't',
1046 &t.monotonic);
1047 if (r < 0)
1048 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1049
1050 r = sd_bus_get_property_trivial(
1051 bus,
1052 "org.freedesktop.systemd1",
1053 path,
1054 "org.freedesktop.systemd1.Timer",
1055 "NextElapseUSecRealtime",
1056 &error,
1057 't',
1058 &t.realtime);
1059 if (r < 0)
1060 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1061
1062 *next = t;
1063 return 0;
1064 }
1065
1066 static int get_last_trigger(
1067 sd_bus *bus,
1068 const char *path,
1069 usec_t *last) {
1070
1071 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1072 int r;
1073
1074 assert(bus);
1075 assert(path);
1076 assert(last);
1077
1078 r = sd_bus_get_property_trivial(
1079 bus,
1080 "org.freedesktop.systemd1",
1081 path,
1082 "org.freedesktop.systemd1.Timer",
1083 "LastTriggerUSec",
1084 &error,
1085 't',
1086 last);
1087 if (r < 0)
1088 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1089
1090 return 0;
1091 }
1092
1093 struct timer_info {
1094 const char* machine;
1095 const char* id;
1096 usec_t next_elapse;
1097 usec_t last_trigger;
1098 char** triggered;
1099 };
1100
1101 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1102 int o;
1103
1104 assert(a);
1105 assert(b);
1106
1107 if (!a->machine && b->machine)
1108 return -1;
1109 if (a->machine && !b->machine)
1110 return 1;
1111 if (a->machine && b->machine) {
1112 o = strcasecmp(a->machine, b->machine);
1113 if (o != 0)
1114 return o;
1115 }
1116
1117 if (a->next_elapse < b->next_elapse)
1118 return -1;
1119 if (a->next_elapse > b->next_elapse)
1120 return 1;
1121
1122 return strcmp(a->id, b->id);
1123 }
1124
1125 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1126 struct timer_info *t;
1127 unsigned
1128 nextlen = STRLEN("NEXT"),
1129 leftlen = STRLEN("LEFT"),
1130 lastlen = STRLEN("LAST"),
1131 passedlen = STRLEN("PASSED"),
1132 unitlen = STRLEN("UNIT"),
1133 activatelen = STRLEN("ACTIVATES");
1134
1135 const char *on, *off;
1136
1137 assert(timer_infos || n == 0);
1138
1139 for (t = timer_infos; t < timer_infos + n; t++) {
1140 unsigned ul = 0;
1141 char **a;
1142
1143 if (t->next_elapse > 0) {
1144 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1145
1146 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1147 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1148
1149 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1150 leftlen = MAX(leftlen, strlen(trel));
1151 }
1152
1153 if (t->last_trigger > 0) {
1154 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1155
1156 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1157 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1158
1159 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1160 passedlen = MAX(passedlen, strlen(trel));
1161 }
1162
1163 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1164
1165 STRV_FOREACH(a, t->triggered)
1166 ul += strlen(*a) + 2*(a != t->triggered);
1167
1168 activatelen = MAX(activatelen, ul);
1169 }
1170
1171 if (n > 0) {
1172 if (!arg_no_legend)
1173 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1174 nextlen, "NEXT",
1175 leftlen, "LEFT",
1176 lastlen, "LAST",
1177 passedlen, "PASSED",
1178 unitlen, "UNIT",
1179 "ACTIVATES");
1180
1181 for (t = timer_infos; t < timer_infos + n; t++) {
1182 _cleanup_free_ char *j = NULL;
1183 const char *unit;
1184 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1185 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1186 char **a;
1187
1188 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1189 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1190
1191 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1192 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1193
1194 if (t->machine) {
1195 j = strjoin(t->machine, ":", t->id);
1196 if (!j)
1197 return log_oom();
1198 unit = j;
1199 } else
1200 unit = t->id;
1201
1202 printf("%-*s %-*s %-*s %-*s %-*s",
1203 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1204
1205 STRV_FOREACH(a, t->triggered)
1206 printf("%s %s",
1207 a == t->triggered ? "" : ",", *a);
1208 printf("\n");
1209 }
1210
1211 on = ansi_highlight();
1212 off = ansi_normal();
1213 if (!arg_no_legend)
1214 printf("\n");
1215 } else {
1216 on = ansi_highlight_red();
1217 off = ansi_normal();
1218 }
1219
1220 if (!arg_no_legend) {
1221 printf("%s%u timers listed.%s\n", on, n, off);
1222 if (!arg_all)
1223 printf("Pass --all to see loaded but inactive timers, too.\n");
1224 }
1225
1226 return 0;
1227 }
1228
1229 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1230 usec_t next_elapse;
1231
1232 assert(nw);
1233 assert(next);
1234
1235 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1236 usec_t converted;
1237
1238 if (next->monotonic > nw->monotonic)
1239 converted = nw->realtime + (next->monotonic - nw->monotonic);
1240 else
1241 converted = nw->realtime - (nw->monotonic - next->monotonic);
1242
1243 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1244 next_elapse = MIN(converted, next->realtime);
1245 else
1246 next_elapse = converted;
1247
1248 } else
1249 next_elapse = next->realtime;
1250
1251 return next_elapse;
1252 }
1253
1254 static int list_timers(int argc, char *argv[], void *userdata) {
1255 _cleanup_(message_set_freep) Set *replies = NULL;
1256 _cleanup_strv_free_ char **machines = NULL;
1257 _cleanup_free_ struct timer_info *timer_infos = NULL;
1258 _cleanup_free_ UnitInfo *unit_infos = NULL;
1259 struct timer_info *t;
1260 const UnitInfo *u;
1261 size_t size = 0;
1262 int n, c = 0;
1263 dual_timestamp nw;
1264 sd_bus *bus;
1265 int r = 0;
1266
1267 r = acquire_bus(BUS_MANAGER, &bus);
1268 if (r < 0)
1269 return r;
1270
1271 (void) pager_open(arg_no_pager, false);
1272
1273 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1274 if (n < 0)
1275 return n;
1276
1277 dual_timestamp_get(&nw);
1278
1279 for (u = unit_infos; u < unit_infos + n; u++) {
1280 _cleanup_strv_free_ char **triggered = NULL;
1281 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1282 usec_t m, last = 0;
1283
1284 if (!endswith(u->id, ".timer"))
1285 continue;
1286
1287 r = get_triggered_units(bus, u->unit_path, &triggered);
1288 if (r < 0)
1289 goto cleanup;
1290
1291 r = get_next_elapse(bus, u->unit_path, &next);
1292 if (r < 0)
1293 goto cleanup;
1294
1295 get_last_trigger(bus, u->unit_path, &last);
1296
1297 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1298 r = log_oom();
1299 goto cleanup;
1300 }
1301
1302 m = calc_next_elapse(&nw, &next);
1303
1304 timer_infos[c++] = (struct timer_info) {
1305 .machine = u->machine,
1306 .id = u->id,
1307 .next_elapse = m,
1308 .last_trigger = last,
1309 .triggered = TAKE_PTR(triggered),
1310 };
1311 }
1312
1313 qsort_safe(timer_infos, c, sizeof(struct timer_info),
1314 (__compar_fn_t) timer_info_compare);
1315
1316 output_timers_list(timer_infos, c);
1317
1318 cleanup:
1319 for (t = timer_infos; t < timer_infos + c; t++)
1320 strv_free(t->triggered);
1321
1322 return r;
1323 }
1324
1325 static int compare_unit_file_list(const void *a, const void *b) {
1326 const char *d1, *d2;
1327 const UnitFileList *u = a, *v = b;
1328
1329 d1 = strrchr(u->path, '.');
1330 d2 = strrchr(v->path, '.');
1331
1332 if (d1 && d2) {
1333 int r;
1334
1335 r = strcasecmp(d1, d2);
1336 if (r != 0)
1337 return r;
1338 }
1339
1340 return strcasecmp(basename(u->path), basename(v->path));
1341 }
1342
1343 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1344 assert(u);
1345
1346 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1347 return false;
1348
1349 if (!strv_isempty(arg_types)) {
1350 const char *dot;
1351
1352 dot = strrchr(u->path, '.');
1353 if (!dot)
1354 return false;
1355
1356 if (!strv_find(arg_types, dot+1))
1357 return false;
1358 }
1359
1360 if (!strv_isempty(states) &&
1361 !strv_find(states, unit_file_state_to_string(u->state)))
1362 return false;
1363
1364 return true;
1365 }
1366
1367 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1368 unsigned max_id_len, id_cols, state_cols;
1369 const UnitFileList *u;
1370
1371 max_id_len = STRLEN("UNIT FILE");
1372 state_cols = STRLEN("STATE");
1373
1374 for (u = units; u < units + c; u++) {
1375 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1376 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1377 }
1378
1379 if (!arg_full) {
1380 unsigned basic_cols;
1381
1382 id_cols = MIN(max_id_len, 25u);
1383 basic_cols = 1 + id_cols + state_cols;
1384 if (basic_cols < (unsigned) columns())
1385 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1386 } else
1387 id_cols = max_id_len;
1388
1389 if (!arg_no_legend && c > 0)
1390 printf("%s%-*s %-*s%s\n",
1391 ansi_underline(),
1392 id_cols, "UNIT FILE",
1393 state_cols, "STATE",
1394 ansi_normal());
1395
1396 for (u = units; u < units + c; u++) {
1397 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1398 _cleanup_free_ char *e = NULL;
1399 bool underline;
1400
1401 underline = u + 1 < units + c &&
1402 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1403
1404 if (underline)
1405 on_underline = ansi_underline();
1406
1407 if (IN_SET(u->state,
1408 UNIT_FILE_MASKED,
1409 UNIT_FILE_MASKED_RUNTIME,
1410 UNIT_FILE_DISABLED,
1411 UNIT_FILE_BAD))
1412 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1413 else if (u->state == UNIT_FILE_ENABLED)
1414 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1415
1416 if (on_underline || on_color)
1417 off = ansi_normal();
1418
1419 id = basename(u->path);
1420
1421 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1422
1423 printf("%s%-*s %s%-*s%s\n",
1424 strempty(on_underline),
1425 id_cols, e ? e : id,
1426 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1427 }
1428
1429 if (!arg_no_legend)
1430 printf("\n%u unit files listed.\n", c);
1431 }
1432
1433 static int list_unit_files(int argc, char *argv[], void *userdata) {
1434 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1435 _cleanup_free_ UnitFileList *units = NULL;
1436 UnitFileList *unit;
1437 size_t size = 0;
1438 unsigned c = 0;
1439 const char *state;
1440 char *path;
1441 int r;
1442 bool fallback = false;
1443
1444 if (install_client_side()) {
1445 Hashmap *h;
1446 UnitFileList *u;
1447 Iterator i;
1448 unsigned n_units;
1449
1450 h = hashmap_new(&string_hash_ops);
1451 if (!h)
1452 return log_oom();
1453
1454 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1455 if (r < 0) {
1456 unit_file_list_free(h);
1457 return log_error_errno(r, "Failed to get unit file list: %m");
1458 }
1459
1460 n_units = hashmap_size(h);
1461
1462 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1463 if (!units) {
1464 unit_file_list_free(h);
1465 return log_oom();
1466 }
1467
1468 HASHMAP_FOREACH(u, h, i) {
1469 if (!output_show_unit_file(u, NULL, NULL))
1470 continue;
1471
1472 units[c++] = *u;
1473 free(u);
1474 }
1475
1476 assert(c <= n_units);
1477 hashmap_free(h);
1478
1479 r = 0;
1480 } else {
1481 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1482 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1483 sd_bus *bus;
1484
1485 r = acquire_bus(BUS_MANAGER, &bus);
1486 if (r < 0)
1487 return r;
1488
1489 r = sd_bus_message_new_method_call(
1490 bus,
1491 &m,
1492 "org.freedesktop.systemd1",
1493 "/org/freedesktop/systemd1",
1494 "org.freedesktop.systemd1.Manager",
1495 "ListUnitFilesByPatterns");
1496 if (r < 0)
1497 return bus_log_create_error(r);
1498
1499 r = sd_bus_message_append_strv(m, arg_states);
1500 if (r < 0)
1501 return bus_log_create_error(r);
1502
1503 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1504 if (r < 0)
1505 return bus_log_create_error(r);
1506
1507 r = sd_bus_call(bus, m, 0, &error, &reply);
1508 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1509 /* Fallback to legacy ListUnitFiles method */
1510 fallback = true;
1511 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1512 m = sd_bus_message_unref(m);
1513 sd_bus_error_free(&error);
1514
1515 r = sd_bus_message_new_method_call(
1516 bus,
1517 &m,
1518 "org.freedesktop.systemd1",
1519 "/org/freedesktop/systemd1",
1520 "org.freedesktop.systemd1.Manager",
1521 "ListUnitFiles");
1522 if (r < 0)
1523 return bus_log_create_error(r);
1524
1525 r = sd_bus_call(bus, m, 0, &error, &reply);
1526 }
1527 if (r < 0)
1528 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1529
1530 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1531 if (r < 0)
1532 return bus_log_parse_error(r);
1533
1534 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1535
1536 if (!GREEDY_REALLOC(units, size, c + 1))
1537 return log_oom();
1538
1539 units[c] = (struct UnitFileList) {
1540 path,
1541 unit_file_state_from_string(state)
1542 };
1543
1544 if (output_show_unit_file(&units[c],
1545 fallback ? arg_states : NULL,
1546 fallback ? strv_skip(argv, 1) : NULL))
1547 c++;
1548
1549 }
1550 if (r < 0)
1551 return bus_log_parse_error(r);
1552
1553 r = sd_bus_message_exit_container(reply);
1554 if (r < 0)
1555 return bus_log_parse_error(r);
1556 }
1557
1558 (void) pager_open(arg_no_pager, false);
1559
1560 qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
1561 output_unit_file_list(units, c);
1562
1563 if (install_client_side())
1564 for (unit = units; unit < units + c; unit++)
1565 free(unit->path);
1566
1567 return 0;
1568 }
1569
1570 static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
1571 _cleanup_free_ char *n = NULL;
1572 size_t max_len = MAX(columns(),20u);
1573 size_t len = 0;
1574 int i;
1575
1576 if (!arg_plain) {
1577
1578 for (i = level - 1; i >= 0; i--) {
1579 len += 2;
1580 if (len > max_len - 3 && !arg_full) {
1581 printf("%s...\n",max_len % 2 ? "" : " ");
1582 return 0;
1583 }
1584 printf("%s", special_glyph(branches & (1 << i) ? TREE_VERTICAL : TREE_SPACE));
1585 }
1586 len += 2;
1587
1588 if (len > max_len - 3 && !arg_full) {
1589 printf("%s...\n",max_len % 2 ? "" : " ");
1590 return 0;
1591 }
1592
1593 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
1594 }
1595
1596 if (arg_full) {
1597 printf("%s\n", name);
1598 return 0;
1599 }
1600
1601 n = ellipsize(name, max_len-len, 100);
1602 if (!n)
1603 return log_oom();
1604
1605 printf("%s\n", n);
1606 return 0;
1607 }
1608
1609 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1610 struct DependencyStatusInfo {
1611 char **dep[5];
1612 } info = {};
1613
1614 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1615 [DEPENDENCY_FORWARD] = {
1616 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1617 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1618 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1619 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1620 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1621 {}
1622 },
1623 [DEPENDENCY_REVERSE] = {
1624 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1625 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1626 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1627 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1628 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1629 {}
1630 },
1631 [DEPENDENCY_AFTER] = {
1632 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1633 {}
1634 },
1635 [DEPENDENCY_BEFORE] = {
1636 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1637 {}
1638 },
1639 };
1640
1641 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1642 _cleanup_strv_free_ char **ret = NULL;
1643 _cleanup_free_ char *path = NULL;
1644 int i, r;
1645
1646 assert(bus);
1647 assert(name);
1648 assert(deps);
1649
1650 path = unit_dbus_path_from_name(name);
1651 if (!path)
1652 return log_oom();
1653
1654 r = bus_map_all_properties(bus,
1655 "org.freedesktop.systemd1",
1656 path,
1657 map[arg_dependency],
1658 BUS_MAP_STRDUP,
1659 &error,
1660 NULL,
1661 &info);
1662 if (r < 0)
1663 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1664
1665 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1666 *deps = info.dep[0];
1667 return 0;
1668 }
1669
1670 for (i = 0; i < 5; i++) {
1671 r = strv_extend_strv(&ret, info.dep[i], true);
1672 if (r < 0)
1673 return log_oom();
1674 info.dep[i] = strv_free(info.dep[i]);
1675 }
1676
1677 *deps = TAKE_PTR(ret);
1678
1679 return 0;
1680 }
1681
1682 static int list_dependencies_compare(const void *_a, const void *_b) {
1683 const char **a = (const char**) _a, **b = (const char**) _b;
1684
1685 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1686 return 1;
1687 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1688 return -1;
1689
1690 return strcasecmp(*a, *b);
1691 }
1692
1693 static int list_dependencies_one(
1694 sd_bus *bus,
1695 const char *name,
1696 int level,
1697 char ***units,
1698 unsigned int branches) {
1699
1700 _cleanup_strv_free_ char **deps = NULL;
1701 char **c;
1702 int r = 0;
1703
1704 assert(bus);
1705 assert(name);
1706 assert(units);
1707
1708 r = strv_extend(units, name);
1709 if (r < 0)
1710 return log_oom();
1711
1712 r = list_dependencies_get_dependencies(bus, name, &deps);
1713 if (r < 0)
1714 return r;
1715
1716 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
1717
1718 STRV_FOREACH(c, deps) {
1719 if (strv_contains(*units, *c)) {
1720 if (!arg_plain) {
1721 printf(" ");
1722 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1723 if (r < 0)
1724 return r;
1725 }
1726 continue;
1727 }
1728
1729 if (arg_plain)
1730 printf(" ");
1731 else {
1732 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1733 const char *on;
1734
1735 (void) get_state_one_unit(bus, *c, &active_state);
1736
1737 switch (active_state) {
1738 case UNIT_ACTIVE:
1739 case UNIT_RELOADING:
1740 case UNIT_ACTIVATING:
1741 on = ansi_highlight_green();
1742 break;
1743
1744 case UNIT_INACTIVE:
1745 case UNIT_DEACTIVATING:
1746 on = ansi_normal();
1747 break;
1748
1749 default:
1750 on = ansi_highlight_red();
1751 break;
1752 }
1753
1754 printf("%s%s%s ", on, special_glyph(BLACK_CIRCLE), ansi_normal());
1755 }
1756
1757 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1758 if (r < 0)
1759 return r;
1760
1761 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1762 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1763 if (r < 0)
1764 return r;
1765 }
1766 }
1767
1768 if (!arg_plain)
1769 strv_remove(*units, name);
1770
1771 return 0;
1772 }
1773
1774 static int list_dependencies(int argc, char *argv[], void *userdata) {
1775 _cleanup_strv_free_ char **units = NULL;
1776 _cleanup_free_ char *unit = NULL;
1777 const char *u;
1778 sd_bus *bus;
1779 int r;
1780
1781 if (argv[1]) {
1782 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1783 if (r < 0)
1784 return log_error_errno(r, "Failed to mangle unit name: %m");
1785
1786 u = unit;
1787 } else
1788 u = SPECIAL_DEFAULT_TARGET;
1789
1790 r = acquire_bus(BUS_MANAGER, &bus);
1791 if (r < 0)
1792 return r;
1793
1794 (void) pager_open(arg_no_pager, false);
1795
1796 puts(u);
1797
1798 return list_dependencies_one(bus, u, 0, &units, 0);
1799 }
1800
1801 struct machine_info {
1802 bool is_host;
1803 char *name;
1804 char *state;
1805 char *control_group;
1806 uint32_t n_failed_units;
1807 uint32_t n_jobs;
1808 usec_t timestamp;
1809 };
1810
1811 static const struct bus_properties_map machine_info_property_map[] = {
1812 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1813 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1814 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1815 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1816 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1817 {}
1818 };
1819
1820 static void machine_info_clear(struct machine_info *info) {
1821 assert(info);
1822
1823 free(info->name);
1824 free(info->state);
1825 free(info->control_group);
1826 zero(*info);
1827 }
1828
1829 static void free_machines_list(struct machine_info *machine_infos, int n) {
1830 int i;
1831
1832 if (!machine_infos)
1833 return;
1834
1835 for (i = 0; i < n; i++)
1836 machine_info_clear(&machine_infos[i]);
1837
1838 free(machine_infos);
1839 }
1840
1841 static int compare_machine_info(const void *a, const void *b) {
1842 const struct machine_info *u = a, *v = b;
1843
1844 if (u->is_host != v->is_host)
1845 return u->is_host > v->is_host ? -1 : 1;
1846
1847 return strcasecmp(u->name, v->name);
1848 }
1849
1850 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1851 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1852 int r;
1853
1854 assert(mi);
1855
1856 if (!bus) {
1857 r = sd_bus_open_system_machine(&container, mi->name);
1858 if (r < 0)
1859 return r;
1860
1861 bus = container;
1862 }
1863
1864 r = bus_map_all_properties(
1865 bus,
1866 "org.freedesktop.systemd1",
1867 "/org/freedesktop/systemd1",
1868 machine_info_property_map,
1869 BUS_MAP_STRDUP,
1870 NULL,
1871 NULL,
1872 mi);
1873 if (r < 0)
1874 return r;
1875
1876 return 0;
1877 }
1878
1879 static bool output_show_machine(const char *name, char **patterns) {
1880 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1881 }
1882
1883 static int get_machine_list(
1884 sd_bus *bus,
1885 struct machine_info **_machine_infos,
1886 char **patterns) {
1887
1888 struct machine_info *machine_infos = NULL;
1889 _cleanup_strv_free_ char **m = NULL;
1890 _cleanup_free_ char *hn = NULL;
1891 size_t sz = 0;
1892 char **i;
1893 int c = 0, r;
1894
1895 hn = gethostname_malloc();
1896 if (!hn)
1897 return log_oom();
1898
1899 if (output_show_machine(hn, patterns)) {
1900 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1901 return log_oom();
1902
1903 machine_infos[c].is_host = true;
1904 machine_infos[c].name = TAKE_PTR(hn);
1905
1906 (void) get_machine_properties(bus, &machine_infos[c]);
1907 c++;
1908 }
1909
1910 r = sd_get_machine_names(&m);
1911 if (r < 0)
1912 return log_error_errno(r, "Failed to get machine list: %m");
1913
1914 STRV_FOREACH(i, m) {
1915 _cleanup_free_ char *class = NULL;
1916
1917 if (!output_show_machine(*i, patterns))
1918 continue;
1919
1920 sd_machine_get_class(*i, &class);
1921 if (!streq_ptr(class, "container"))
1922 continue;
1923
1924 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1925 free_machines_list(machine_infos, c);
1926 return log_oom();
1927 }
1928
1929 machine_infos[c].is_host = false;
1930 machine_infos[c].name = strdup(*i);
1931 if (!machine_infos[c].name) {
1932 free_machines_list(machine_infos, c);
1933 return log_oom();
1934 }
1935
1936 (void) get_machine_properties(NULL, &machine_infos[c]);
1937 c++;
1938 }
1939
1940 *_machine_infos = machine_infos;
1941 return c;
1942 }
1943
1944 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1945 struct machine_info *m;
1946 unsigned
1947 circle_len = 0,
1948 namelen = STRLEN("NAME"),
1949 statelen = STRLEN("STATE"),
1950 failedlen = STRLEN("FAILED"),
1951 jobslen = STRLEN("JOBS");
1952
1953 assert(machine_infos || n == 0);
1954
1955 for (m = machine_infos; m < machine_infos + n; m++) {
1956 namelen = MAX(namelen,
1957 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1958 statelen = MAX(statelen, strlen_ptr(m->state));
1959 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1960 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1961
1962 if (!arg_plain && !streq_ptr(m->state, "running"))
1963 circle_len = 2;
1964 }
1965
1966 if (!arg_no_legend) {
1967 if (circle_len > 0)
1968 fputs(" ", stdout);
1969
1970 printf("%-*s %-*s %-*s %-*s\n",
1971 namelen, "NAME",
1972 statelen, "STATE",
1973 failedlen, "FAILED",
1974 jobslen, "JOBS");
1975 }
1976
1977 for (m = machine_infos; m < machine_infos + n; m++) {
1978 const char *on_state = "", *off_state = "";
1979 const char *on_failed = "", *off_failed = "";
1980 bool circle = false;
1981
1982 if (streq_ptr(m->state, "degraded")) {
1983 on_state = ansi_highlight_red();
1984 off_state = ansi_normal();
1985 circle = true;
1986 } else if (!streq_ptr(m->state, "running")) {
1987 on_state = ansi_highlight_yellow();
1988 off_state = ansi_normal();
1989 circle = true;
1990 }
1991
1992 if (m->n_failed_units > 0) {
1993 on_failed = ansi_highlight_red();
1994 off_failed = ansi_normal();
1995 } else
1996 on_failed = off_failed = "";
1997
1998 if (circle_len > 0)
1999 printf("%s%s%s ", on_state, circle ? special_glyph(BLACK_CIRCLE) : " ", off_state);
2000
2001 if (m->is_host)
2002 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2003 (int) (namelen - (STRLEN(" (host)"))),
2004 strna(m->name),
2005 on_state, statelen, strna(m->state), off_state,
2006 on_failed, failedlen, m->n_failed_units, off_failed,
2007 jobslen, m->n_jobs);
2008 else
2009 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2010 namelen, strna(m->name),
2011 on_state, statelen, strna(m->state), off_state,
2012 on_failed, failedlen, m->n_failed_units, off_failed,
2013 jobslen, m->n_jobs);
2014 }
2015
2016 if (!arg_no_legend)
2017 printf("\n%u machines listed.\n", n);
2018 }
2019
2020 static int list_machines(int argc, char *argv[], void *userdata) {
2021 struct machine_info *machine_infos = NULL;
2022 sd_bus *bus;
2023 int r;
2024
2025 r = acquire_bus(BUS_MANAGER, &bus);
2026 if (r < 0)
2027 return r;
2028
2029 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2030 if (r < 0)
2031 return r;
2032
2033 (void) pager_open(arg_no_pager, false);
2034
2035 qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info);
2036 output_machines_list(machine_infos, r);
2037 free_machines_list(machine_infos, r);
2038
2039 return 0;
2040 }
2041
2042 static int get_default(int argc, char *argv[], void *userdata) {
2043 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2044 _cleanup_free_ char *_path = NULL;
2045 const char *path;
2046 int r;
2047
2048 if (install_client_side()) {
2049 r = unit_file_get_default(arg_scope, arg_root, &_path);
2050 if (r < 0)
2051 return log_error_errno(r, "Failed to get default target: %m");
2052 path = _path;
2053
2054 r = 0;
2055 } else {
2056 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2057 sd_bus *bus;
2058
2059 r = acquire_bus(BUS_MANAGER, &bus);
2060 if (r < 0)
2061 return r;
2062
2063 r = sd_bus_call_method(
2064 bus,
2065 "org.freedesktop.systemd1",
2066 "/org/freedesktop/systemd1",
2067 "org.freedesktop.systemd1.Manager",
2068 "GetDefaultTarget",
2069 &error,
2070 &reply,
2071 NULL);
2072 if (r < 0)
2073 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2074
2075 r = sd_bus_message_read(reply, "s", &path);
2076 if (r < 0)
2077 return bus_log_parse_error(r);
2078 }
2079
2080 if (path)
2081 printf("%s\n", path);
2082
2083 return 0;
2084 }
2085
2086 static int set_default(int argc, char *argv[], void *userdata) {
2087 _cleanup_free_ char *unit = NULL;
2088 UnitFileChange *changes = NULL;
2089 size_t n_changes = 0;
2090 int r;
2091
2092 assert(argc >= 2);
2093 assert(argv);
2094
2095 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2096 if (r < 0)
2097 return log_error_errno(r, "Failed to mangle unit name: %m");
2098
2099 if (install_client_side()) {
2100 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2101 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2102
2103 if (r > 0)
2104 r = 0;
2105 } else {
2106 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2107 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2108 sd_bus *bus;
2109
2110 polkit_agent_open_maybe();
2111
2112 r = acquire_bus(BUS_MANAGER, &bus);
2113 if (r < 0)
2114 return r;
2115
2116 r = sd_bus_call_method(
2117 bus,
2118 "org.freedesktop.systemd1",
2119 "/org/freedesktop/systemd1",
2120 "org.freedesktop.systemd1.Manager",
2121 "SetDefaultTarget",
2122 &error,
2123 &reply,
2124 "sb", unit, 1);
2125 if (r < 0)
2126 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2127
2128 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2129 if (r < 0)
2130 goto finish;
2131
2132 /* Try to reload if enabled */
2133 if (!arg_no_reload)
2134 r = daemon_reload(argc, argv, userdata);
2135 else
2136 r = 0;
2137 }
2138
2139 finish:
2140 unit_file_changes_free(changes, n_changes);
2141
2142 return r;
2143 }
2144
2145 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2146 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2147 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2148 const char *name, *type;
2149 uint32_t other_id;
2150 int r;
2151
2152 assert(bus);
2153
2154 r = sd_bus_call_method(
2155 bus,
2156 "org.freedesktop.systemd1",
2157 "/org/freedesktop/systemd1",
2158 "org.freedesktop.systemd1.Manager",
2159 method,
2160 &error,
2161 &reply,
2162 "u", id);
2163 if (r < 0)
2164 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2165
2166 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2167 if (r < 0)
2168 return bus_log_parse_error(r);
2169
2170 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2171 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2172 if (r < 0)
2173 return bus_log_parse_error(r);
2174
2175 r = sd_bus_message_exit_container(reply);
2176 if (r < 0)
2177 return bus_log_parse_error(r);
2178
2179 return 0;
2180 }
2181
2182 struct job_info {
2183 uint32_t id;
2184 const char *name, *type, *state;
2185 };
2186
2187 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2188 unsigned id_len, unit_len, type_len, state_len;
2189 const struct job_info *j;
2190 const char *on, *off;
2191 bool shorten = false;
2192
2193 assert(n == 0 || jobs);
2194
2195 if (n == 0) {
2196 if (!arg_no_legend) {
2197 on = ansi_highlight_green();
2198 off = ansi_normal();
2199
2200 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2201 }
2202 return;
2203 }
2204
2205 (void) pager_open(arg_no_pager, false);
2206
2207 id_len = STRLEN("JOB");
2208 unit_len = STRLEN("UNIT");
2209 type_len = STRLEN("TYPE");
2210 state_len = STRLEN("STATE");
2211
2212 for (j = jobs; j < jobs + n; j++) {
2213 uint32_t id = j->id;
2214 assert(j->name && j->type && j->state);
2215
2216 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2217 unit_len = MAX(unit_len, strlen(j->name));
2218 type_len = MAX(type_len, strlen(j->type));
2219 state_len = MAX(state_len, strlen(j->state));
2220 }
2221
2222 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2223 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2224 shorten = true;
2225 }
2226
2227 if (!arg_no_legend)
2228 printf("%*s %-*s %-*s %-*s\n",
2229 id_len, "JOB",
2230 unit_len, "UNIT",
2231 type_len, "TYPE",
2232 state_len, "STATE");
2233
2234 for (j = jobs; j < jobs + n; j++) {
2235 _cleanup_free_ char *e = NULL;
2236
2237 if (streq(j->state, "running")) {
2238 on = ansi_highlight();
2239 off = ansi_normal();
2240 } else
2241 on = off = "";
2242
2243 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2244 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2245 id_len, j->id,
2246 on, unit_len, e ? e : j->name, off,
2247 type_len, j->type,
2248 on, state_len, j->state, off);
2249
2250 if (arg_jobs_after)
2251 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2252 if (arg_jobs_before)
2253 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2254 }
2255
2256 if (!arg_no_legend) {
2257 on = ansi_highlight();
2258 off = ansi_normal();
2259
2260 printf("\n%s%u jobs listed%s.\n", on, n, off);
2261 }
2262 }
2263
2264 static bool output_show_job(struct job_info *job, char **patterns) {
2265 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2266 }
2267
2268 static int list_jobs(int argc, char *argv[], void *userdata) {
2269 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2270 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2271 _cleanup_free_ struct job_info *jobs = NULL;
2272 const char *name, *type, *state;
2273 bool skipped = false;
2274 size_t size = 0;
2275 unsigned c = 0;
2276 sd_bus *bus;
2277 uint32_t id;
2278 int r;
2279
2280 r = acquire_bus(BUS_MANAGER, &bus);
2281 if (r < 0)
2282 return r;
2283
2284 r = sd_bus_call_method(
2285 bus,
2286 "org.freedesktop.systemd1",
2287 "/org/freedesktop/systemd1",
2288 "org.freedesktop.systemd1.Manager",
2289 "ListJobs",
2290 &error,
2291 &reply,
2292 NULL);
2293 if (r < 0)
2294 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2295
2296 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2297 if (r < 0)
2298 return bus_log_parse_error(r);
2299
2300 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2301 struct job_info job = { id, name, type, state };
2302
2303 if (!output_show_job(&job, strv_skip(argv, 1))) {
2304 skipped = true;
2305 continue;
2306 }
2307
2308 if (!GREEDY_REALLOC(jobs, size, c + 1))
2309 return log_oom();
2310
2311 jobs[c++] = job;
2312 }
2313 if (r < 0)
2314 return bus_log_parse_error(r);
2315
2316 r = sd_bus_message_exit_container(reply);
2317 if (r < 0)
2318 return bus_log_parse_error(r);
2319
2320 (void) pager_open(arg_no_pager, false);
2321
2322 output_jobs_list(bus, jobs, c, skipped);
2323 return 0;
2324 }
2325
2326 static int cancel_job(int argc, char *argv[], void *userdata) {
2327 sd_bus *bus;
2328 char **name;
2329 int r = 0;
2330
2331 if (argc <= 1)
2332 return trivial_method(argc, argv, userdata);
2333
2334 r = acquire_bus(BUS_MANAGER, &bus);
2335 if (r < 0)
2336 return r;
2337
2338 polkit_agent_open_maybe();
2339
2340 STRV_FOREACH(name, strv_skip(argv, 1)) {
2341 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2342 uint32_t id;
2343 int q;
2344
2345 q = safe_atou32(*name, &id);
2346 if (q < 0)
2347 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2348
2349 q = sd_bus_call_method(
2350 bus,
2351 "org.freedesktop.systemd1",
2352 "/org/freedesktop/systemd1",
2353 "org.freedesktop.systemd1.Manager",
2354 "CancelJob",
2355 &error,
2356 NULL,
2357 "u", id);
2358 if (q < 0) {
2359 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2360 if (r == 0)
2361 r = q;
2362 }
2363 }
2364
2365 return r;
2366 }
2367
2368 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2369 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2370 const char *path;
2371 int b, r;
2372
2373 /* We ignore all errors here, since this is used to show a
2374 * warning only */
2375
2376 /* We don't use unit_dbus_path_from_name() directly since we
2377 * don't want to load the unit if it isn't loaded. */
2378
2379 r = sd_bus_call_method(
2380 bus,
2381 "org.freedesktop.systemd1",
2382 "/org/freedesktop/systemd1",
2383 "org.freedesktop.systemd1.Manager",
2384 "GetUnit",
2385 NULL,
2386 &reply,
2387 "s", unit);
2388 if (r < 0)
2389 return r;
2390
2391 r = sd_bus_message_read(reply, "o", &path);
2392 if (r < 0)
2393 return r;
2394
2395 r = sd_bus_get_property_trivial(
2396 bus,
2397 "org.freedesktop.systemd1",
2398 path,
2399 "org.freedesktop.systemd1.Unit",
2400 "NeedDaemonReload",
2401 NULL,
2402 'b', &b);
2403 if (r < 0)
2404 return r;
2405
2406 return b;
2407 }
2408
2409 static void warn_unit_file_changed(const char *name) {
2410 assert(name);
2411
2412 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.",
2413 ansi_highlight_red(),
2414 ansi_normal(),
2415 name,
2416 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2417 }
2418
2419 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) {
2420 char **p;
2421
2422 assert(lp);
2423 assert(unit_name);
2424
2425 STRV_FOREACH(p, lp->search_path) {
2426 _cleanup_free_ char *path = NULL, *lpath = NULL;
2427 int r;
2428
2429 path = path_join(NULL, *p, unit_name);
2430 if (!path)
2431 return log_oom();
2432
2433 r = chase_symlinks(path, arg_root, 0, &lpath);
2434 if (r == -ENOENT)
2435 continue;
2436 if (r == -ENOMEM)
2437 return log_oom();
2438 if (r < 0)
2439 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2440
2441 if (unit_path)
2442 *unit_path = TAKE_PTR(lpath);
2443
2444 return 1;
2445 }
2446
2447 return 0;
2448 }
2449
2450 static int unit_find_template_path(
2451 const char *unit_name,
2452 LookupPaths *lp,
2453 char **fragment_path,
2454 char **template) {
2455
2456 _cleanup_free_ char *_template = NULL;
2457 int r;
2458
2459 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2460
2461 r = unit_file_find_path(lp, unit_name, fragment_path);
2462 if (r != 0)
2463 return r; /* error or found a real unit */
2464
2465 r = unit_name_template(unit_name, &_template);
2466 if (r == -EINVAL)
2467 return 0; /* not a template, does not exist */
2468 if (r < 0)
2469 return log_error_errno(r, "Failed to determine template name: %m");
2470
2471 r = unit_file_find_path(lp, _template, fragment_path);
2472 if (r < 0)
2473 return r;
2474
2475 if (template)
2476 *template = TAKE_PTR(_template);
2477
2478 return r;
2479 }
2480
2481 static int unit_find_paths(
2482 sd_bus *bus,
2483 const char *unit_name,
2484 LookupPaths *lp,
2485 char **fragment_path,
2486 char ***dropin_paths) {
2487
2488 _cleanup_free_ char *path = NULL;
2489 _cleanup_strv_free_ char **dropins = NULL;
2490 int r;
2491
2492 /**
2493 * Finds where the unit is defined on disk. Returns 0 if the unit
2494 * is not found. Returns 1 if it is found, and sets
2495 * - the path to the unit in *path, if it exists on disk,
2496 * - and a strv of existing drop-ins in *dropins,
2497 * if the arg is not NULL and any dropins were found.
2498 */
2499
2500 assert(unit_name);
2501 assert(fragment_path);
2502 assert(lp);
2503
2504 if (!install_client_side() && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2505 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2506 _cleanup_free_ char *unit = NULL;
2507
2508 unit = unit_dbus_path_from_name(unit_name);
2509 if (!unit)
2510 return log_oom();
2511
2512 r = sd_bus_get_property_string(
2513 bus,
2514 "org.freedesktop.systemd1",
2515 unit,
2516 "org.freedesktop.systemd1.Unit",
2517 "FragmentPath",
2518 &error,
2519 &path);
2520 if (r < 0)
2521 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2522
2523 if (dropin_paths) {
2524 r = sd_bus_get_property_strv(
2525 bus,
2526 "org.freedesktop.systemd1",
2527 unit,
2528 "org.freedesktop.systemd1.Unit",
2529 "DropInPaths",
2530 &error,
2531 &dropins);
2532 if (r < 0)
2533 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2534 }
2535 } else {
2536 _cleanup_set_free_ Set *names = NULL;
2537 _cleanup_free_ char *template = NULL;
2538
2539 names = set_new(NULL);
2540 if (!names)
2541 return log_oom();
2542
2543 r = unit_find_template_path(unit_name, lp, &path, &template);
2544 if (r < 0)
2545 return r;
2546
2547 if (r > 0) {
2548 if (null_or_empty_path(path))
2549 /* The template is masked. Let's cut the process short. */
2550 return -ERFKILL;
2551
2552 /* We found the unit file. If we followed symlinks, this name might be
2553 * different then the unit_name with started with. Look for dropins matching
2554 * that "final" name. */
2555 r = set_put(names, basename(path));
2556 } else if (!template)
2557 /* No unit file, let's look for dropins matching the original name.
2558 * systemd has fairly complicated rules (based on unit type and provenience),
2559 * which units are allowed not to have the main unit file. We err on the
2560 * side of including too many files, and always try to load dropins. */
2561 r = set_put(names, unit_name);
2562 else
2563 /* The cases where we allow a unit to exist without the main file are
2564 * never valid for templates. Don't try to load dropins in this case. */
2565 goto not_found;
2566
2567 if (r < 0)
2568 return log_error_errno(r, "Failed to add unit name: %m");
2569
2570 if (dropin_paths) {
2571 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path,
2572 NULL, names, &dropins);
2573 if (r < 0)
2574 return r;
2575 }
2576 }
2577
2578 r = 0;
2579
2580 if (!isempty(path)) {
2581 *fragment_path = TAKE_PTR(path);
2582 r = 1;
2583 }
2584
2585 if (dropin_paths && !strv_isempty(dropins)) {
2586 *dropin_paths = TAKE_PTR(dropins);
2587 r = 1;
2588 }
2589 not_found:
2590 if (r == 0 && !arg_force)
2591 log_error("No files found for %s.", unit_name);
2592
2593 return r;
2594 }
2595
2596 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2597 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2598 _cleanup_free_ char *buf = NULL, *path = NULL;
2599 UnitActiveState state;
2600 int r;
2601
2602 assert(name);
2603 assert(active_state);
2604
2605 path = unit_dbus_path_from_name(name);
2606 if (!path)
2607 return log_oom();
2608
2609 r = sd_bus_get_property_string(
2610 bus,
2611 "org.freedesktop.systemd1",
2612 path,
2613 "org.freedesktop.systemd1.Unit",
2614 "ActiveState",
2615 &error,
2616 &buf);
2617 if (r < 0)
2618 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2619
2620 state = unit_active_state_from_string(buf);
2621 if (state == _UNIT_ACTIVE_STATE_INVALID) {
2622 log_error("Invalid unit state '%s' for: %s", buf, name);
2623 return -EINVAL;
2624 }
2625
2626 *active_state = state;
2627 return 0;
2628 }
2629
2630 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2631 _cleanup_free_ char *load_state = NULL;
2632 int r;
2633
2634 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2635 _cleanup_free_ char *path = NULL;
2636
2637 /* A template cannot be loaded, but it can be still masked, so
2638 * we need to use a different method. */
2639
2640 r = unit_file_find_path(lp, name, &path);
2641 if (r < 0)
2642 return r;
2643 if (r == 0)
2644 return false;
2645 return null_or_empty_path(path);
2646 }
2647
2648 r = unit_load_state(bus, name, &load_state);
2649 if (r < 0)
2650 return r;
2651
2652 return streq(load_state, "masked");
2653 }
2654
2655 static int check_triggering_units(sd_bus *bus, const char *name) {
2656 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2657 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2658 _cleanup_strv_free_ char **triggered_by = NULL;
2659 bool print_warning_label = true;
2660 UnitActiveState active_state;
2661 char **i;
2662 int r;
2663
2664 r = unit_name_mangle(name, 0, &n);
2665 if (r < 0)
2666 return log_error_errno(r, "Failed to mangle unit name: %m");
2667
2668 r = unit_load_state(bus, name, &load_state);
2669 if (r < 0)
2670 return r;
2671
2672 if (streq(load_state, "masked"))
2673 return 0;
2674
2675 path = unit_dbus_path_from_name(n);
2676 if (!path)
2677 return log_oom();
2678
2679 r = sd_bus_get_property_strv(
2680 bus,
2681 "org.freedesktop.systemd1",
2682 path,
2683 "org.freedesktop.systemd1.Unit",
2684 "TriggeredBy",
2685 &error,
2686 &triggered_by);
2687 if (r < 0)
2688 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2689
2690 STRV_FOREACH(i, triggered_by) {
2691 r = get_state_one_unit(bus, *i, &active_state);
2692 if (r < 0)
2693 return r;
2694
2695 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2696 continue;
2697
2698 if (print_warning_label) {
2699 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2700 print_warning_label = false;
2701 }
2702
2703 log_warning(" %s", *i);
2704 }
2705
2706 return 0;
2707 }
2708
2709 static const struct {
2710 const char *verb;
2711 const char *method;
2712 } unit_actions[] = {
2713 { "start", "StartUnit" },
2714 { "stop", "StopUnit" },
2715 { "condstop", "StopUnit" },
2716 { "reload", "ReloadUnit" },
2717 { "restart", "RestartUnit" },
2718 { "try-restart", "TryRestartUnit" },
2719 { "condrestart", "TryRestartUnit" },
2720 { "reload-or-restart", "ReloadOrRestartUnit" },
2721 { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
2722 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2723 { "condreload", "ReloadOrTryRestartUnit" },
2724 { "force-reload", "ReloadOrTryRestartUnit" }
2725 };
2726
2727 static const char *verb_to_method(const char *verb) {
2728 uint i;
2729
2730 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2731 if (streq_ptr(unit_actions[i].verb, verb))
2732 return unit_actions[i].method;
2733
2734 return "StartUnit";
2735 }
2736
2737 static const char *method_to_verb(const char *method) {
2738 uint i;
2739
2740 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2741 if (streq_ptr(unit_actions[i].method, method))
2742 return unit_actions[i].verb;
2743
2744 return "n/a";
2745 }
2746
2747 typedef struct {
2748 sd_bus_slot *match;
2749 sd_event *event;
2750 Set *unit_paths;
2751 bool any_failed;
2752 } WaitContext;
2753
2754 static void wait_context_free(WaitContext *c) {
2755 c->match = sd_bus_slot_unref(c->match);
2756 c->event = sd_event_unref(c->event);
2757 c->unit_paths = set_free_free(c->unit_paths);
2758 }
2759
2760 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2761 WaitContext *c = userdata;
2762 const char *path;
2763 int r;
2764
2765 path = sd_bus_message_get_path(m);
2766 if (!set_contains(c->unit_paths, path))
2767 return 0;
2768
2769 /* Check if ActiveState changed to inactive/failed */
2770 /* (s interface, a{sv} changed_properties, as invalidated_properties) */
2771 r = sd_bus_message_skip(m, "s");
2772 if (r < 0)
2773 return bus_log_parse_error(r);
2774
2775 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2776 if (r < 0)
2777 return bus_log_parse_error(r);
2778
2779 while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
2780 const char *s;
2781
2782 r = sd_bus_message_read(m, "s", &s);
2783 if (r < 0)
2784 return bus_log_parse_error(r);
2785
2786 if (streq(s, "ActiveState")) {
2787 bool is_failed;
2788
2789 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, "s");
2790 if (r < 0)
2791 return bus_log_parse_error(r);
2792
2793 r = sd_bus_message_read(m, "s", &s);
2794 if (r < 0)
2795 return bus_log_parse_error(r);
2796
2797 is_failed = streq(s, "failed");
2798 if (streq(s, "inactive") || is_failed) {
2799 log_debug("%s became %s, dropping from --wait tracking", path, s);
2800 free(set_remove(c->unit_paths, path));
2801 c->any_failed = c->any_failed || is_failed;
2802 } else
2803 log_debug("ActiveState on %s changed to %s", path, s);
2804
2805 break; /* no need to dissect the rest of the message */
2806 } else {
2807 /* other property */
2808 r = sd_bus_message_skip(m, "v");
2809 if (r < 0)
2810 return bus_log_parse_error(r);
2811 }
2812 r = sd_bus_message_exit_container(m);
2813 if (r < 0)
2814 return bus_log_parse_error(r);
2815 }
2816 if (r < 0)
2817 return bus_log_parse_error(r);
2818
2819 if (set_isempty(c->unit_paths))
2820 sd_event_exit(c->event, EXIT_SUCCESS);
2821
2822 return 0;
2823 }
2824
2825 static int start_unit_one(
2826 sd_bus *bus,
2827 const char *method,
2828 const char *name,
2829 const char *mode,
2830 sd_bus_error *error,
2831 BusWaitForJobs *w,
2832 WaitContext *wait_context) {
2833
2834 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2835 const char *path;
2836 int r;
2837
2838 assert(method);
2839 assert(name);
2840 assert(mode);
2841 assert(error);
2842
2843 if (wait_context) {
2844 _cleanup_free_ char *unit_path = NULL;
2845
2846 log_debug("Watching for property changes of %s", name);
2847 r = sd_bus_call_method(
2848 bus,
2849 "org.freedesktop.systemd1",
2850 "/org/freedesktop/systemd1",
2851 "org.freedesktop.systemd1.Manager",
2852 "RefUnit",
2853 error,
2854 NULL,
2855 "s", name);
2856 if (r < 0)
2857 return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r));
2858
2859 unit_path = unit_dbus_path_from_name(name);
2860 if (!unit_path)
2861 return log_oom();
2862
2863 r = set_put_strdup(wait_context->unit_paths, unit_path);
2864 if (r < 0)
2865 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2866
2867 r = sd_bus_match_signal_async(bus,
2868 &wait_context->match,
2869 NULL,
2870 unit_path,
2871 "org.freedesktop.DBus.Properties",
2872 "PropertiesChanged",
2873 on_properties_changed, NULL, wait_context);
2874 if (r < 0)
2875 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2876 }
2877
2878 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2879 arg_dry_run ? "Would execute" : "Executing",
2880 method, name, mode);
2881 if (arg_dry_run)
2882 return 0;
2883
2884 r = sd_bus_call_method(
2885 bus,
2886 "org.freedesktop.systemd1",
2887 "/org/freedesktop/systemd1",
2888 "org.freedesktop.systemd1.Manager",
2889 method,
2890 error,
2891 &reply,
2892 "ss", name, mode);
2893 if (r < 0) {
2894 const char *verb;
2895
2896 /* There's always a fallback possible for legacy actions. */
2897 if (arg_action != ACTION_SYSTEMCTL)
2898 return r;
2899
2900 verb = method_to_verb(method);
2901
2902 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2903
2904 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2905 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2906 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2907 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2908 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2909 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2910 name[0] == '-' ? " --" : "",
2911 name);
2912
2913 return r;
2914 }
2915
2916 r = sd_bus_message_read(reply, "o", &path);
2917 if (r < 0)
2918 return bus_log_parse_error(r);
2919
2920 if (need_daemon_reload(bus, name) > 0)
2921 warn_unit_file_changed(name);
2922
2923 if (w) {
2924 log_debug("Adding %s to the set", path);
2925 r = bus_wait_for_jobs_add(w, path);
2926 if (r < 0)
2927 return log_oom();
2928 }
2929
2930 return 0;
2931 }
2932
2933 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2934 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2935 char **name;
2936 int r, i;
2937
2938 assert(bus);
2939 assert(ret);
2940
2941 STRV_FOREACH(name, names) {
2942 char *t;
2943 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2944
2945 if (suffix)
2946 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2947 else
2948 r = unit_name_mangle(*name, options, &t);
2949 if (r < 0)
2950 return log_error_errno(r, "Failed to mangle name: %m");
2951
2952 if (string_is_glob(t))
2953 r = strv_consume(&globs, t);
2954 else
2955 r = strv_consume(&mangled, t);
2956 if (r < 0)
2957 return log_oom();
2958 }
2959
2960 /* Query the manager only if any of the names are a glob, since
2961 * this is fairly expensive */
2962 if (!strv_isempty(globs)) {
2963 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2964 _cleanup_free_ UnitInfo *unit_infos = NULL;
2965 size_t allocated, n;
2966
2967 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2968 if (r < 0)
2969 return r;
2970
2971 n = strv_length(mangled);
2972 allocated = n + 1;
2973
2974 for (i = 0; i < r; i++) {
2975 if (!GREEDY_REALLOC(mangled, allocated, n+2))
2976 return log_oom();
2977
2978 mangled[n] = strdup(unit_infos[i].id);
2979 if (!mangled[n])
2980 return log_oom();
2981
2982 mangled[++n] = NULL;
2983 }
2984 }
2985
2986 *ret = TAKE_PTR(mangled);
2987
2988 return 0;
2989 }
2990
2991 static const struct {
2992 const char *target;
2993 const char *verb;
2994 const char *mode;
2995 } action_table[_ACTION_MAX] = {
2996 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2997 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2998 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2999 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3000 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3001 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3002 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3003 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3004 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3005 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3006 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3007 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3008 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3009 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3010 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3011 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3012 };
3013
3014 static enum action verb_to_action(const char *verb) {
3015 enum action i;
3016
3017 for (i = 0; i < _ACTION_MAX; i++)
3018 if (streq_ptr(action_table[i].verb, verb))
3019 return i;
3020
3021 return _ACTION_INVALID;
3022 }
3023
3024 static int start_unit(int argc, char *argv[], void *userdata) {
3025 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3026 const char *method, *mode, *one_name, *suffix = NULL;
3027 _cleanup_strv_free_ char **names = NULL;
3028 sd_bus *bus;
3029 _cleanup_(wait_context_free) WaitContext wait_context = {};
3030 char **name;
3031 int r = 0;
3032
3033 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3034 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3035 return -EINVAL;
3036 }
3037
3038 /* we cannot do sender tracking on the private bus, so we need the full
3039 * one for RefUnit to implement --wait */
3040 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3041 if (r < 0)
3042 return r;
3043
3044 ask_password_agent_open_if_enabled();
3045 polkit_agent_open_maybe();
3046
3047 if (arg_action == ACTION_SYSTEMCTL) {
3048 enum action action;
3049
3050 action = verb_to_action(argv[0]);
3051
3052 if (action != _ACTION_INVALID) {
3053 method = "StartUnit";
3054 mode = action_table[action].mode;
3055 one_name = action_table[action].target;
3056 } else {
3057 if (streq(argv[0], "isolate")) {
3058 method = "StartUnit";
3059 mode = "isolate";
3060
3061 suffix = ".target";
3062 } else {
3063 method = verb_to_method(argv[0]);
3064 mode = arg_job_mode;
3065 }
3066 one_name = NULL;
3067 }
3068 } else {
3069 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3070 assert(action_table[arg_action].target);
3071 assert(action_table[arg_action].mode);
3072
3073 method = "StartUnit";
3074 mode = action_table[arg_action].mode;
3075 one_name = action_table[arg_action].target;
3076 }
3077
3078 if (one_name)
3079 names = strv_new(one_name, NULL);
3080 else {
3081 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3082 if (r < 0)
3083 return log_error_errno(r, "Failed to expand names: %m");
3084 }
3085
3086 if (!arg_no_block) {
3087 r = bus_wait_for_jobs_new(bus, &w);
3088 if (r < 0)
3089 return log_error_errno(r, "Could not watch jobs: %m");
3090 }
3091
3092 if (arg_wait) {
3093 wait_context.unit_paths = set_new(&string_hash_ops);
3094 if (!wait_context.unit_paths)
3095 return log_oom();
3096
3097 r = sd_bus_call_method_async(
3098 bus,
3099 NULL,
3100 "org.freedesktop.systemd1",
3101 "/org/freedesktop/systemd1",
3102 "org.freedesktop.systemd1.Manager",
3103 "Subscribe",
3104 NULL, NULL,
3105 NULL);
3106 if (r < 0)
3107 return log_error_errno(r, "Failed to enable subscription: %m");
3108 r = sd_event_default(&wait_context.event);
3109 if (r < 0)
3110 return log_error_errno(r, "Failed to allocate event loop: %m");
3111 r = sd_bus_attach_event(bus, wait_context.event, 0);
3112 if (r < 0)
3113 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3114 }
3115
3116 STRV_FOREACH(name, names) {
3117 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3118 int q;
3119
3120 q = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3121 if (r >= 0 && q < 0)
3122 r = translate_bus_error_to_exit_status(q, &error);
3123 }
3124
3125 if (!arg_no_block) {
3126 int q, arg_count = 0;
3127 const char* extra_args[4] = {};
3128
3129 if (arg_scope != UNIT_FILE_SYSTEM)
3130 extra_args[arg_count++] = "--user";
3131
3132 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3133 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3134 extra_args[arg_count++] = "-H";
3135 extra_args[arg_count++] = arg_host;
3136 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3137 extra_args[arg_count++] = "-M";
3138 extra_args[arg_count++] = arg_host;
3139 }
3140
3141 q = bus_wait_for_jobs(w, arg_quiet, extra_args);
3142 if (q < 0)
3143 return q;
3144
3145 /* When stopping units, warn if they can still be triggered by
3146 * another active unit (socket, path, timer) */
3147 if (!arg_quiet && streq(method, "StopUnit"))
3148 STRV_FOREACH(name, names)
3149 (void) check_triggering_units(bus, *name);
3150 }
3151
3152 if (r >= 0 && arg_wait && !set_isempty(wait_context.unit_paths)) {
3153 int q;
3154 q = sd_event_loop(wait_context.event);
3155 if (q < 0)
3156 return log_error_errno(q, "Failed to run event loop: %m");
3157 if (wait_context.any_failed)
3158 r = EXIT_FAILURE;
3159 }
3160
3161 return r;
3162 }
3163
3164 #if ENABLE_LOGIND
3165 static int logind_set_wall_message(void) {
3166 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3167 sd_bus *bus;
3168 _cleanup_free_ char *m = NULL;
3169 int r;
3170
3171 r = acquire_bus(BUS_FULL, &bus);
3172 if (r < 0)
3173 return r;
3174
3175 m = strv_join(arg_wall, " ");
3176 if (!m)
3177 return log_oom();
3178
3179 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3180 if (arg_dry_run)
3181 return 0;
3182
3183 r = sd_bus_call_method(
3184 bus,
3185 "org.freedesktop.login1",
3186 "/org/freedesktop/login1",
3187 "org.freedesktop.login1.Manager",
3188 "SetWallMessage",
3189 &error,
3190 NULL,
3191 "sb",
3192 m,
3193 !arg_no_wall);
3194
3195 if (r < 0)
3196 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3197 return 0;
3198 }
3199 #endif
3200
3201 /* Ask systemd-logind, which might grant access to unprivileged users
3202 * through polkit */
3203 static int logind_reboot(enum action a) {
3204 #if ENABLE_LOGIND
3205 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3206 const char *method, *description;
3207 sd_bus *bus;
3208 int r;
3209
3210 r = acquire_bus(BUS_FULL, &bus);
3211 if (r < 0)
3212 return r;
3213
3214 switch (a) {
3215
3216 case ACTION_POWEROFF:
3217 method = "PowerOff";
3218 description = "power off system";
3219 break;
3220
3221 case ACTION_REBOOT:
3222 method = "Reboot";
3223 description = "reboot system";
3224 break;
3225
3226 case ACTION_HALT:
3227 method = "Halt";
3228 description = "halt system";
3229 break;
3230
3231 case ACTION_SUSPEND:
3232 method = "Suspend";
3233 description = "suspend system";
3234 break;
3235
3236 case ACTION_HIBERNATE:
3237 method = "Hibernate";
3238 description = "hibernate system";
3239 break;
3240
3241 case ACTION_HYBRID_SLEEP:
3242 method = "HybridSleep";
3243 description = "put system into hybrid sleep";
3244 break;
3245
3246 case ACTION_SUSPEND_THEN_HIBERNATE:
3247 method = "SuspendThenHibernate";
3248 description = "put system into suspend followed by hibernate";
3249 break;
3250
3251 default:
3252 return -EINVAL;
3253 }
3254
3255 polkit_agent_open_maybe();
3256 (void) logind_set_wall_message();
3257
3258 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3259 if (arg_dry_run)
3260 return 0;
3261
3262 r = sd_bus_call_method(
3263 bus,
3264 "org.freedesktop.login1",
3265 "/org/freedesktop/login1",
3266 "org.freedesktop.login1.Manager",
3267 method,
3268 &error,
3269 NULL,
3270 "b", arg_ask_password);
3271 if (r < 0)
3272 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3273
3274 return 0;
3275 #else
3276 return -ENOSYS;
3277 #endif
3278 }
3279
3280 static int logind_check_inhibitors(enum action a) {
3281 #if ENABLE_LOGIND
3282 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3283 _cleanup_strv_free_ char **sessions = NULL;
3284 const char *what, *who, *why, *mode;
3285 uint32_t uid, pid;
3286 sd_bus *bus;
3287 unsigned c = 0;
3288 char **s;
3289 int r;
3290
3291 if (arg_ignore_inhibitors || arg_force > 0)
3292 return 0;
3293
3294 if (arg_when > 0)
3295 return 0;
3296
3297 if (geteuid() == 0)
3298 return 0;
3299
3300 if (!on_tty())
3301 return 0;
3302
3303 if (arg_transport != BUS_TRANSPORT_LOCAL)
3304 return 0;
3305
3306 r = acquire_bus(BUS_FULL, &bus);
3307 if (r < 0)
3308 return r;
3309
3310 r = sd_bus_call_method(
3311 bus,
3312 "org.freedesktop.login1",
3313 "/org/freedesktop/login1",
3314 "org.freedesktop.login1.Manager",
3315 "ListInhibitors",
3316 NULL,
3317 &reply,
3318 NULL);
3319 if (r < 0)
3320 /* If logind is not around, then there are no inhibitors... */
3321 return 0;
3322
3323 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3324 if (r < 0)
3325 return bus_log_parse_error(r);
3326
3327 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3328 _cleanup_free_ char *comm = NULL, *user = NULL;
3329 _cleanup_strv_free_ char **sv = NULL;
3330
3331 if (!streq(mode, "block"))
3332 continue;
3333
3334 sv = strv_split(what, ":");
3335 if (!sv)
3336 return log_oom();
3337
3338 if (!pid_is_valid((pid_t) pid)) {
3339 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3340 return -ERANGE;
3341 }
3342
3343 if (!strv_contains(sv,
3344 IN_SET(a,
3345 ACTION_HALT,
3346 ACTION_POWEROFF,
3347 ACTION_REBOOT,
3348 ACTION_KEXEC) ? "shutdown" : "sleep"))
3349 continue;
3350
3351 get_process_comm(pid, &comm);
3352 user = uid_to_name(uid);
3353
3354 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3355 who, (pid_t) pid, strna(comm), strna(user), why);
3356
3357 c++;
3358 }
3359 if (r < 0)
3360 return bus_log_parse_error(r);
3361
3362 r = sd_bus_message_exit_container(reply);
3363 if (r < 0)
3364 return bus_log_parse_error(r);
3365
3366 /* Check for current sessions */
3367 sd_get_sessions(&sessions);
3368 STRV_FOREACH(s, sessions) {
3369 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3370
3371 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3372 continue;
3373
3374 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3375 continue;
3376
3377 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3378 continue;
3379
3380 sd_session_get_tty(*s, &tty);
3381 sd_session_get_seat(*s, &seat);
3382 sd_session_get_service(*s, &service);
3383 user = uid_to_name(uid);
3384
3385 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3386 c++;
3387 }
3388
3389 if (c <= 0)
3390 return 0;
3391
3392 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3393 action_table[a].verb);
3394
3395 return -EPERM;
3396 #else
3397 return 0;
3398 #endif
3399 }
3400
3401 static int logind_prepare_firmware_setup(void) {
3402 #if ENABLE_LOGIND
3403 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3404 sd_bus *bus;
3405 int r;
3406
3407 r = acquire_bus(BUS_FULL, &bus);
3408 if (r < 0)
3409 return r;
3410
3411 r = sd_bus_call_method(
3412 bus,
3413 "org.freedesktop.login1",
3414 "/org/freedesktop/login1",
3415 "org.freedesktop.login1.Manager",
3416 "SetRebootToFirmwareSetup",
3417 &error,
3418 NULL,
3419 "b", true);
3420 if (r < 0)
3421 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3422
3423 return 0;
3424 #else
3425 log_error("Cannot remotely indicate to EFI to boot into setup mode.");
3426 return -ENOSYS;
3427 #endif
3428 }
3429
3430 static int prepare_firmware_setup(void) {
3431 int r;
3432
3433 if (!arg_firmware_setup)
3434 return 0;
3435
3436 if (arg_transport == BUS_TRANSPORT_LOCAL) {
3437
3438 r = efi_set_reboot_to_firmware(true);
3439 if (r < 0)
3440 log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
3441 else
3442 return r;
3443 }
3444
3445 return logind_prepare_firmware_setup();
3446 }
3447
3448 static int load_kexec_kernel(void) {
3449 _cleanup_(boot_config_free) BootConfig config = {};
3450 _cleanup_free_ char *where = NULL, *kernel = NULL, *initrd = NULL, *options = NULL;
3451 const BootEntry *e;
3452 pid_t pid;
3453 int r;
3454
3455 if (kexec_loaded()) {
3456 log_debug("Kexec kernel already loaded.");
3457 return 0;
3458 }
3459
3460 if (access(KEXEC, X_OK) < 0)
3461 return log_error_errno(errno, KEXEC" is not available: %m");
3462
3463 r = find_esp_and_warn(arg_esp_path, false, &where, NULL, NULL, NULL, NULL);
3464 if (r == -ENOKEY) /* find_esp_and_warn() doesn't warn about this case */
3465 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3466 if (r < 0) /* But it logs about all these cases, hence don't log here again */
3467 return r;
3468
3469 r = boot_entries_load_config(where, &config);
3470 if (r < 0)
3471 return log_error_errno(r, "Failed to load bootspec config from \"%s/loader\": %m", where);
3472
3473 if (config.default_entry < 0) {
3474 log_error("No entry suitable as default, refusing to guess.");
3475 return -ENOENT;
3476 }
3477 e = &config.entries[config.default_entry];
3478
3479 if (strv_length(e->initrd) > 1) {
3480 log_error("Boot entry specifies multiple initrds, which is not supported currently.");
3481 return -EINVAL;
3482 }
3483
3484 kernel = path_join(NULL, where, e->kernel);
3485 if (!strv_isempty(e->initrd))
3486 initrd = path_join(NULL, where, *e->initrd);
3487 options = strv_join(e->options, " ");
3488 if (!options)
3489 return log_oom();
3490
3491 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3492 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3493 arg_dry_run ? "Would run" : "Running",
3494 kernel,
3495 options,
3496 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3497 if (arg_dry_run)
3498 return 0;
3499
3500 r = safe_fork("(kexec)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
3501 if (r < 0)
3502 return r;
3503 if (r == 0) {
3504 const char* const args[] = {
3505 KEXEC,
3506 "--load", kernel,
3507 "--append", options,
3508 initrd ? "--initrd" : NULL, initrd,
3509 NULL };
3510
3511 /* Child */
3512 execv(args[0], (char * const *) args);
3513 _exit(EXIT_FAILURE);
3514 }
3515
3516 r = wait_for_terminate_and_check("kexec", pid, WAIT_LOG);
3517 if (r < 0)
3518 return r;
3519 if (r > 0)
3520 /* Command failed */
3521 return -EPROTO;
3522 return 0;
3523 }
3524
3525 static int set_exit_code(uint8_t code) {
3526 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3527 sd_bus *bus;
3528 int r;
3529
3530 r = acquire_bus(BUS_MANAGER, &bus);
3531 if (r < 0)
3532 return r;
3533
3534 r = sd_bus_call_method(
3535 bus,
3536 "org.freedesktop.systemd1",
3537 "/org/freedesktop/systemd1",
3538 "org.freedesktop.systemd1.Manager",
3539 "SetExitCode",
3540 &error,
3541 NULL,
3542 "y", code);
3543 if (r < 0)
3544 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3545
3546 return 0;
3547 }
3548
3549 static int start_special(int argc, char *argv[], void *userdata) {
3550 enum action a;
3551 int r;
3552 bool termination_action; /* an action that terminates the manager,
3553 * can be performed also by signal. */
3554
3555 assert(argv);
3556
3557 a = verb_to_action(argv[0]);
3558
3559 r = logind_check_inhibitors(a);
3560 if (r < 0)
3561 return r;
3562
3563 if (arg_force >= 2) {
3564 r = must_be_root();
3565 if (r < 0)
3566 return r;
3567 }
3568
3569 r = prepare_firmware_setup();
3570 if (r < 0)
3571 return r;
3572
3573 if (a == ACTION_REBOOT && argc > 1) {
3574 r = update_reboot_parameter_and_warn(argv[1]);
3575 if (r < 0)
3576 return r;
3577
3578 } else if (a == ACTION_KEXEC) {
3579 r = load_kexec_kernel();
3580 if (r < 0 && arg_force >= 1)
3581 log_notice("Failed to load kexec kernel, continuing without.");
3582 else if (r < 0)
3583 return r;
3584
3585 } else if (a == ACTION_EXIT && argc > 1) {
3586 uint8_t code;
3587
3588 /* If the exit code is not given on the command line,
3589 * don't reset it to zero: just keep it as it might
3590 * have been set previously. */
3591
3592 r = safe_atou8(argv[1], &code);
3593 if (r < 0)
3594 return log_error_errno(r, "Invalid exit code.");
3595
3596 r = set_exit_code(code);
3597 if (r < 0)
3598 return r;
3599 }
3600
3601 termination_action = IN_SET(a,
3602 ACTION_HALT,
3603 ACTION_POWEROFF,
3604 ACTION_REBOOT);
3605 if (termination_action && arg_force >= 2)
3606 return halt_now(a);
3607
3608 if (arg_force >= 1 &&
3609 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3610 r = trivial_method(argc, argv, userdata);
3611 else {
3612 /* First try logind, to allow authentication with polkit */
3613 if (IN_SET(a,
3614 ACTION_POWEROFF,
3615 ACTION_REBOOT,
3616 ACTION_HALT,
3617 ACTION_SUSPEND,
3618 ACTION_HIBERNATE,
3619 ACTION_HYBRID_SLEEP,
3620 ACTION_SUSPEND_THEN_HIBERNATE)) {
3621
3622 r = logind_reboot(a);
3623 if (r >= 0)
3624 return r;
3625 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3626 /* requested operation is not supported or already in progress */
3627 return r;
3628
3629 /* On all other errors, try low-level operation. In order to minimize the difference between
3630 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3631 * logind's shutdown operations are always non-blocking. */
3632
3633 arg_no_block = true;
3634
3635 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3636 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3637 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3638 arg_no_block = true;
3639
3640 r = start_unit(argc, argv, userdata);
3641 }
3642
3643 if (termination_action && arg_force < 2 &&
3644 IN_SET(r, -ENOENT, -ETIMEDOUT))
3645 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3646
3647 return r;
3648 }
3649
3650 static int start_system_special(int argc, char *argv[], void *userdata) {
3651 /* Like start_special above, but raises an error when running in user mode */
3652
3653 if (arg_scope != UNIT_FILE_SYSTEM) {
3654 log_error("Bad action for %s mode.",
3655 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3656 return -EINVAL;
3657 }
3658
3659 return start_special(argc, argv, userdata);
3660 }
3661
3662 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3663 _cleanup_strv_free_ char **names = NULL;
3664 UnitActiveState active_state;
3665 sd_bus *bus;
3666 char **name;
3667 int r, i;
3668 bool found = false;
3669
3670 r = acquire_bus(BUS_MANAGER, &bus);
3671 if (r < 0)
3672 return r;
3673
3674 r = expand_names(bus, args, NULL, &names);
3675 if (r < 0)
3676 return log_error_errno(r, "Failed to expand names: %m");
3677
3678 STRV_FOREACH(name, names) {
3679 r = get_state_one_unit(bus, *name, &active_state);
3680 if (r < 0)
3681 return r;
3682
3683 if (!arg_quiet)
3684 puts(unit_active_state_to_string(active_state));
3685
3686 for (i = 0; i < nb_states; ++i)
3687 if (good_states[i] == active_state)
3688 found = true;
3689 }
3690
3691 /* use the given return code for the case that we won't find
3692 * any unit which matches the list */
3693 return found ? 0 : code;
3694 }
3695
3696 static int check_unit_active(int argc, char *argv[], void *userdata) {
3697 static const UnitActiveState states[] = {
3698 UNIT_ACTIVE,
3699 UNIT_RELOADING,
3700 };
3701
3702 /* According to LSB: 3, "program is not running" */
3703 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3704 }
3705
3706 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3707 static const UnitActiveState states[] = {
3708 UNIT_FAILED,
3709 };
3710
3711 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3712 }
3713
3714 static int kill_unit(int argc, char *argv[], void *userdata) {
3715 _cleanup_strv_free_ char **names = NULL;
3716 char *kill_who = NULL, **name;
3717 sd_bus *bus;
3718 int r, q;
3719
3720 r = acquire_bus(BUS_MANAGER, &bus);
3721 if (r < 0)
3722 return r;
3723
3724 polkit_agent_open_maybe();
3725
3726 if (!arg_kill_who)
3727 arg_kill_who = "all";
3728
3729 /* --fail was specified */
3730 if (streq(arg_job_mode, "fail"))
3731 kill_who = strjoina(arg_kill_who, "-fail");
3732
3733 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3734 if (r < 0)
3735 return log_error_errno(r, "Failed to expand names: %m");
3736
3737 STRV_FOREACH(name, names) {
3738 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3739
3740 q = sd_bus_call_method(
3741 bus,
3742 "org.freedesktop.systemd1",
3743 "/org/freedesktop/systemd1",
3744 "org.freedesktop.systemd1.Manager",
3745 "KillUnit",
3746 &error,
3747 NULL,
3748 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3749 if (q < 0) {
3750 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3751 if (r == 0)
3752 r = q;
3753 }
3754 }
3755
3756 return r;
3757 }
3758
3759 typedef struct ExecStatusInfo {
3760 char *name;
3761
3762 char *path;
3763 char **argv;
3764
3765 bool ignore;
3766
3767 usec_t start_timestamp;
3768 usec_t exit_timestamp;
3769 pid_t pid;
3770 int code;
3771 int status;
3772
3773 LIST_FIELDS(struct ExecStatusInfo, exec);
3774 } ExecStatusInfo;
3775
3776 static void exec_status_info_free(ExecStatusInfo *i) {
3777 assert(i);
3778
3779 free(i->name);
3780 free(i->path);
3781 strv_free(i->argv);
3782 free(i);
3783 }
3784
3785 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3786 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3787 const char *path;
3788 uint32_t pid;
3789 int32_t code, status;
3790 int ignore, r;
3791
3792 assert(m);
3793 assert(i);
3794
3795 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3796 if (r < 0)
3797 return bus_log_parse_error(r);
3798 else if (r == 0)
3799 return 0;
3800
3801 r = sd_bus_message_read(m, "s", &path);
3802 if (r < 0)
3803 return bus_log_parse_error(r);
3804
3805 i->path = strdup(path);
3806 if (!i->path)
3807 return log_oom();
3808
3809 r = sd_bus_message_read_strv(m, &i->argv);
3810 if (r < 0)
3811 return bus_log_parse_error(r);
3812
3813 r = sd_bus_message_read(m,
3814 "bttttuii",
3815 &ignore,
3816 &start_timestamp, &start_timestamp_monotonic,
3817 &exit_timestamp, &exit_timestamp_monotonic,
3818 &pid,
3819 &code, &status);
3820 if (r < 0)
3821 return bus_log_parse_error(r);
3822
3823 i->ignore = ignore;
3824 i->start_timestamp = (usec_t) start_timestamp;
3825 i->exit_timestamp = (usec_t) exit_timestamp;
3826 i->pid = (pid_t) pid;
3827 i->code = code;
3828 i->status = status;
3829
3830 r = sd_bus_message_exit_container(m);
3831 if (r < 0)
3832 return bus_log_parse_error(r);
3833
3834 return 1;
3835 }
3836
3837 typedef struct UnitCondition {
3838 char *name;
3839 char *param;
3840 bool trigger;
3841 bool negate;
3842 int tristate;
3843
3844 LIST_FIELDS(struct UnitCondition, conditions);
3845 } UnitCondition;
3846
3847 static void unit_condition_free(UnitCondition *c) {
3848 if (!c)
3849 return;
3850
3851 free(c->name);
3852 free(c->param);
3853 free(c);
3854 }
3855
3856 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3857
3858 typedef struct UnitStatusInfo {
3859 const char *id;
3860 const char *load_state;
3861 const char *active_state;
3862 const char *sub_state;
3863 const char *unit_file_state;
3864 const char *unit_file_preset;
3865
3866 const char *description;
3867 const char *following;
3868
3869 char **documentation;
3870
3871 const char *fragment_path;
3872 const char *source_path;
3873 const char *control_group;
3874
3875 char **dropin_paths;
3876
3877 const char *load_error;
3878 const char *result;
3879
3880 usec_t inactive_exit_timestamp;
3881 usec_t inactive_exit_timestamp_monotonic;
3882 usec_t active_enter_timestamp;
3883 usec_t active_exit_timestamp;
3884 usec_t inactive_enter_timestamp;
3885
3886 bool need_daemon_reload;
3887 bool transient;
3888
3889 /* Service */
3890 pid_t main_pid;
3891 pid_t control_pid;
3892 const char *status_text;
3893 const char *pid_file;
3894 bool running:1;
3895 int status_errno;
3896
3897 usec_t start_timestamp;
3898 usec_t exit_timestamp;
3899
3900 int exit_code, exit_status;
3901
3902 usec_t condition_timestamp;
3903 bool condition_result;
3904 LIST_HEAD(UnitCondition, conditions);
3905
3906 usec_t assert_timestamp;
3907 bool assert_result;
3908 bool failed_assert_trigger;
3909 bool failed_assert_negate;
3910 const char *failed_assert;
3911 const char *failed_assert_parameter;
3912 usec_t next_elapse_real;
3913 usec_t next_elapse_monotonic;
3914
3915 /* Socket */
3916 unsigned n_accepted;
3917 unsigned n_connections;
3918 unsigned n_refused;
3919 bool accept;
3920
3921 /* Pairs of type, path */
3922 char **listen;
3923
3924 /* Device */
3925 const char *sysfs_path;
3926
3927 /* Mount, Automount */
3928 const char *where;
3929
3930 /* Swap */
3931 const char *what;
3932
3933 /* CGroup */
3934 uint64_t memory_current;
3935 uint64_t memory_min;
3936 uint64_t memory_low;
3937 uint64_t memory_high;
3938 uint64_t memory_max;
3939 uint64_t memory_swap_max;
3940 uint64_t memory_limit;
3941 uint64_t cpu_usage_nsec;
3942 uint64_t tasks_current;
3943 uint64_t tasks_max;
3944
3945 uint64_t ip_ingress_bytes;
3946 uint64_t ip_egress_bytes;
3947
3948 LIST_HEAD(ExecStatusInfo, exec);
3949 } UnitStatusInfo;
3950
3951 static void unit_status_info_free(UnitStatusInfo *info) {
3952 ExecStatusInfo *p;
3953 UnitCondition *c;
3954
3955 strv_free(info->documentation);
3956 strv_free(info->dropin_paths);
3957 strv_free(info->listen);
3958
3959 while ((c = info->conditions)) {
3960 LIST_REMOVE(conditions, info->conditions, c);
3961 unit_condition_free(c);
3962 }
3963
3964 while ((p = info->exec)) {
3965 LIST_REMOVE(exec, info->exec, p);
3966 exec_status_info_free(p);
3967 }
3968 }
3969
3970 static void print_status_info(
3971 sd_bus *bus,
3972 UnitStatusInfo *i,
3973 bool *ellipsized) {
3974
3975 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
3976 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
3977 _cleanup_free_ char *formatted_path = NULL;
3978 ExecStatusInfo *p;
3979 usec_t timestamp;
3980 const char *path;
3981 char **t, **t2;
3982 int r;
3983
3984 assert(i);
3985
3986 /* This shows pretty information about a unit. See
3987 * print_property() for a low-level property printer */
3988
3989 if (streq_ptr(i->active_state, "failed")) {
3990 active_on = ansi_highlight_red();
3991 active_off = ansi_normal();
3992 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
3993 active_on = ansi_highlight_green();
3994 active_off = ansi_normal();
3995 } else
3996 active_on = active_off = "";
3997
3998 printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id));
3999
4000 if (i->description && !streq_ptr(i->id, i->description))
4001 printf(" - %s", i->description);
4002
4003 printf("\n");
4004
4005 if (i->following)
4006 printf(" Follow: unit currently follows state of %s\n", i->following);
4007
4008 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4009 on = ansi_highlight_red();
4010 off = ansi_normal();
4011 } else
4012 on = off = "";
4013
4014 path = i->source_path ?: i->fragment_path;
4015 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4016 path = formatted_path;
4017
4018 if (!isempty(i->load_error))
4019 printf(" Loaded: %s%s%s (Reason: %s)\n",
4020 on, strna(i->load_state), off, i->load_error);
4021 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4022 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4023 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4024 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4025 else if (path && !isempty(i->unit_file_state))
4026 printf(" Loaded: %s%s%s (%s; %s)\n",
4027 on, strna(i->load_state), off, path, i->unit_file_state);
4028 else if (path)
4029 printf(" Loaded: %s%s%s (%s)\n",
4030 on, strna(i->load_state), off, path);
4031 else
4032 printf(" Loaded: %s%s%s\n",
4033 on, strna(i->load_state), off);
4034
4035 if (i->transient)
4036 printf("Transient: yes\n");
4037
4038 if (!strv_isempty(i->dropin_paths)) {
4039 _cleanup_free_ char *dir = NULL;
4040 bool last = false;
4041 char ** dropin;
4042
4043 STRV_FOREACH(dropin, i->dropin_paths) {
4044 _cleanup_free_ char *dropin_formatted = NULL;
4045 const char *df;
4046
4047 if (!dir || last) {
4048 printf(dir ? " " :
4049 " Drop-In: ");
4050
4051 dir = mfree(dir);
4052
4053 dir = dirname_malloc(*dropin);
4054 if (!dir) {
4055 log_oom();
4056 return;
4057 }
4058
4059 printf("%s\n"
4060 " %s", dir,
4061 special_glyph(TREE_RIGHT));
4062 }
4063
4064 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4065
4066 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4067 df = dropin_formatted;
4068 else
4069 df = *dropin;
4070
4071 printf("%s%s", df, last ? "\n" : ", ");
4072 }
4073 }
4074
4075 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4076 if (ss)
4077 printf(" Active: %s%s (%s)%s",
4078 active_on, strna(i->active_state), ss, active_off);
4079 else
4080 printf(" Active: %s%s%s",
4081 active_on, strna(i->active_state), active_off);
4082
4083 if (!isempty(i->result) && !streq(i->result, "success"))
4084 printf(" (Result: %s)", i->result);
4085
4086 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4087 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4088 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4089 i->active_exit_timestamp;
4090
4091 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4092 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4093
4094 if (s1)
4095 printf(" since %s; %s\n", s2, s1);
4096 else if (s2)
4097 printf(" since %s\n", s2);
4098 else
4099 printf("\n");
4100
4101 if (endswith(i->id, ".timer")) {
4102 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4103 tstamp2[FORMAT_TIMESTAMP_MAX];
4104 const char *next_rel_time, *next_time;
4105 dual_timestamp nw, next = {i->next_elapse_real,
4106 i->next_elapse_monotonic};
4107 usec_t next_elapse;
4108
4109 printf(" Trigger: ");
4110
4111 dual_timestamp_get(&nw);
4112 next_elapse = calc_next_elapse(&nw, &next);
4113 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4114 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4115
4116 if (next_time && next_rel_time)
4117 printf("%s; %s\n", next_time, next_rel_time);
4118 else
4119 printf("n/a\n");
4120 }
4121
4122 if (!i->condition_result && i->condition_timestamp > 0) {
4123 UnitCondition *c;
4124 int n = 0;
4125
4126 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4127 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4128
4129 printf("Condition: start %scondition failed%s at %s%s%s\n",
4130 ansi_highlight_yellow(), ansi_normal(),
4131 s2, s1 ? "; " : "", strempty(s1));
4132
4133 LIST_FOREACH(conditions, c, i->conditions)
4134 if (c->tristate < 0)
4135 n++;
4136
4137 LIST_FOREACH(conditions, c, i->conditions)
4138 if (c->tristate < 0)
4139 printf(" %s %s=%s%s%s was not met\n",
4140 --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT),
4141 c->name,
4142 c->trigger ? "|" : "",
4143 c->negate ? "!" : "",
4144 c->param);
4145 }
4146
4147 if (!i->assert_result && i->assert_timestamp > 0) {
4148 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4149 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4150
4151 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4152 ansi_highlight_red(), ansi_normal(),
4153 s2, s1 ? "; " : "", strempty(s1));
4154 if (i->failed_assert_trigger)
4155 printf(" none of the trigger assertions were met\n");
4156 else if (i->failed_assert)
4157 printf(" %s=%s%s was not met\n",
4158 i->failed_assert,
4159 i->failed_assert_negate ? "!" : "",
4160 i->failed_assert_parameter);
4161 }
4162
4163 if (i->sysfs_path)
4164 printf(" Device: %s\n", i->sysfs_path);
4165 if (i->where)
4166 printf(" Where: %s\n", i->where);
4167 if (i->what)
4168 printf(" What: %s\n", i->what);
4169
4170 STRV_FOREACH(t, i->documentation) {
4171 _cleanup_free_ char *formatted = NULL;
4172 const char *q;
4173
4174 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4175 q = formatted;
4176 else
4177 q = *t;
4178
4179 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4180 }
4181
4182 STRV_FOREACH_PAIR(t, t2, i->listen)
4183 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4184
4185 if (i->accept) {
4186 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4187 if (i->n_refused)
4188 printf(" Refused: %u", i->n_refused);
4189 printf("\n");
4190 }
4191
4192 LIST_FOREACH(exec, p, i->exec) {
4193 _cleanup_free_ char *argv = NULL;
4194 bool good;
4195
4196 /* Only show exited processes here */
4197 if (p->code == 0)
4198 continue;
4199
4200 argv = strv_join(p->argv, " ");
4201 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4202
4203 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4204 if (!good) {
4205 on = ansi_highlight_red();
4206 off = ansi_normal();
4207 } else
4208 on = off = "";
4209
4210 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4211
4212 if (p->code == CLD_EXITED) {
4213 const char *c;
4214
4215 printf("status=%i", p->status);
4216
4217 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4218 if (c)
4219 printf("/%s", c);
4220
4221 } else
4222 printf("signal=%s", signal_to_string(p->status));
4223
4224 printf(")%s\n", off);
4225
4226 if (i->main_pid == p->pid &&
4227 i->start_timestamp == p->start_timestamp &&
4228 i->exit_timestamp == p->start_timestamp)
4229 /* Let's not show this twice */
4230 i->main_pid = 0;
4231
4232 if (p->pid == i->control_pid)
4233 i->control_pid = 0;
4234 }
4235
4236 if (i->main_pid > 0 || i->control_pid > 0) {
4237 if (i->main_pid > 0) {
4238 printf(" Main PID: "PID_FMT, i->main_pid);
4239
4240 if (i->running) {
4241
4242 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4243 _cleanup_free_ char *comm = NULL;
4244
4245 (void) get_process_comm(i->main_pid, &comm);
4246 if (comm)
4247 printf(" (%s)", comm);
4248 }
4249
4250 } else if (i->exit_code > 0) {
4251 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4252
4253 if (i->exit_code == CLD_EXITED) {
4254 const char *c;
4255
4256 printf("status=%i", i->exit_status);
4257
4258 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4259 if (c)
4260 printf("/%s", c);
4261
4262 } else
4263 printf("signal=%s", signal_to_string(i->exit_status));
4264 printf(")");
4265 }
4266 }
4267
4268 if (i->control_pid > 0) {
4269 _cleanup_free_ char *c = NULL;
4270
4271 if (i->main_pid > 0)
4272 fputs("; Control PID: ", stdout);
4273 else
4274 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4275
4276 printf(PID_FMT, i->control_pid);
4277
4278 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4279 (void) get_process_comm(i->control_pid, &c);
4280 if (c)
4281 printf(" (%s)", c);
4282 }
4283 }
4284
4285 printf("\n");
4286 }
4287
4288 if (i->status_text)
4289 printf(" Status: \"%s\"\n", i->status_text);
4290 if (i->status_errno > 0)
4291 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4292
4293 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4294 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4295
4296 printf(" IP: %s in, %s out\n",
4297 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4298 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4299 }
4300
4301 if (i->tasks_current != (uint64_t) -1) {
4302 printf(" Tasks: %" PRIu64, i->tasks_current);
4303
4304 if (i->tasks_max != (uint64_t) -1)
4305 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4306 else
4307 printf("\n");
4308 }
4309
4310 if (i->memory_current != (uint64_t) -1) {
4311 char buf[FORMAT_BYTES_MAX];
4312
4313 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4314
4315 if (i->memory_min > 0 || i->memory_low > 0 ||
4316 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4317 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4318 i->memory_limit != CGROUP_LIMIT_MAX) {
4319 const char *prefix = "";
4320
4321 printf(" (");
4322 if (i->memory_min > 0) {
4323 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4324 prefix = " ";
4325 }
4326 if (i->memory_low > 0) {
4327 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4328 prefix = " ";
4329 }
4330 if (i->memory_high != CGROUP_LIMIT_MAX) {
4331 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4332 prefix = " ";
4333 }
4334 if (i->memory_max != CGROUP_LIMIT_MAX) {
4335 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4336 prefix = " ";
4337 }
4338 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4339 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4340 prefix = " ";
4341 }
4342 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4343 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4344 prefix = " ";
4345 }
4346 printf(")");
4347 }
4348 printf("\n");
4349 }
4350
4351 if (i->cpu_usage_nsec != (uint64_t) -1) {
4352 char buf[FORMAT_TIMESPAN_MAX];
4353 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4354 }
4355
4356 if (i->control_group) {
4357 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4358 static const char prefix[] = " ";
4359 unsigned c;
4360
4361 printf(" CGroup: %s\n", i->control_group);
4362
4363 c = columns();
4364 if (c > sizeof(prefix) - 1)
4365 c -= sizeof(prefix) - 1;
4366 else
4367 c = 0;
4368
4369 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4370 if (r == -EBADR) {
4371 unsigned k = 0;
4372 pid_t extra[2];
4373
4374 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4375
4376 if (i->main_pid > 0)
4377 extra[k++] = i->main_pid;
4378
4379 if (i->control_pid > 0)
4380 extra[k++] = i->control_pid;
4381
4382 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4383 } else if (r < 0)
4384 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4385 }
4386
4387 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4388 show_journal_by_unit(
4389 stdout,
4390 i->id,
4391 arg_output,
4392 0,
4393 i->inactive_exit_timestamp_monotonic,
4394 arg_lines,
4395 getuid(),
4396 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4397 SD_JOURNAL_LOCAL_ONLY,
4398 arg_scope == UNIT_FILE_SYSTEM,
4399 ellipsized);
4400
4401 if (i->need_daemon_reload)
4402 warn_unit_file_changed(i->id);
4403 }
4404
4405 static void show_unit_help(UnitStatusInfo *i) {
4406 char **p;
4407
4408 assert(i);
4409
4410 if (!i->documentation) {
4411 log_info("Documentation for %s not known.", i->id);
4412 return;
4413 }
4414
4415 STRV_FOREACH(p, i->documentation)
4416 if (startswith(*p, "man:"))
4417 show_man_page(*p + 4, false);
4418 else
4419 log_info("Can't show: %s", *p);
4420 }
4421
4422 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4423 UnitStatusInfo *i = userdata;
4424 uint32_t u;
4425 int r;
4426
4427 r = sd_bus_message_read(m, "u", &u);
4428 if (r < 0)
4429 return r;
4430
4431 i->main_pid = (pid_t) u;
4432 i->running = u > 0;
4433
4434 return 0;
4435 }
4436
4437 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4438 const char *message, **p = userdata;
4439 int r;
4440
4441 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4442 if (r < 0)
4443 return r;
4444
4445 if (!isempty(message))
4446 *p = message;
4447
4448 return 0;
4449 }
4450
4451 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4452 const char *type, *path;
4453 char ***p = userdata;
4454 int r;
4455
4456 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4457 if (r < 0)
4458 return r;
4459
4460 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4461
4462 r = strv_extend(p, type);
4463 if (r < 0)
4464 return r;
4465
4466 r = strv_extend(p, path);
4467 if (r < 0)
4468 return r;
4469 }
4470 if (r < 0)
4471 return r;
4472
4473 r = sd_bus_message_exit_container(m);
4474 if (r < 0)
4475 return r;
4476
4477 return 0;
4478 }
4479
4480 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4481 UnitStatusInfo *i = userdata;
4482 const char *cond, *param;
4483 int trigger, negate;
4484 int32_t state;
4485 int r;
4486
4487 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4488 if (r < 0)
4489 return r;
4490
4491 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4492 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4493
4494 c = new0(UnitCondition, 1);
4495 if (!c)
4496 return -ENOMEM;
4497
4498 c->name = strdup(cond);
4499 c->param = strdup(param);
4500 if (!c->name || !c->param)
4501 return -ENOMEM;
4502
4503 c->trigger = trigger;
4504 c->negate = negate;
4505 c->tristate = state;
4506
4507 LIST_PREPEND(conditions, i->conditions, c);
4508 c = NULL;
4509 }
4510 if (r < 0)
4511 return r;
4512
4513 r = sd_bus_message_exit_container(m);
4514 if (r < 0)
4515 return r;
4516
4517 return 0;
4518 }
4519
4520 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4521 UnitStatusInfo *i = userdata;
4522 const char *cond, *param;
4523 int trigger, negate;
4524 int32_t state;
4525 int r;
4526
4527 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4528 if (r < 0)
4529 return r;
4530
4531 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4532 if (state < 0 && (!trigger || !i->failed_assert)) {
4533 i->failed_assert = cond;
4534 i->failed_assert_trigger = trigger;
4535 i->failed_assert_negate = negate;
4536 i->failed_assert_parameter = param;
4537 }
4538 }
4539 if (r < 0)
4540 return r;
4541
4542 r = sd_bus_message_exit_container(m);
4543 if (r < 0)
4544 return r;
4545
4546 return 0;
4547 }
4548
4549 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4550 _cleanup_free_ ExecStatusInfo *info = NULL;
4551 ExecStatusInfo *last;
4552 UnitStatusInfo *i = userdata;
4553 int r;
4554
4555 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4556 if (r < 0)
4557 return r;
4558
4559 info = new0(ExecStatusInfo, 1);
4560 if (!info)
4561 return -ENOMEM;
4562
4563 LIST_FIND_TAIL(exec, i->exec, last);
4564
4565 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4566
4567 info->name = strdup(member);
4568 if (!info->name)
4569 return -ENOMEM;
4570
4571 LIST_INSERT_AFTER(exec, i->exec, last, info);
4572 last = info;
4573
4574 info = new0(ExecStatusInfo, 1);
4575 if (!info)
4576 return -ENOMEM;
4577 }
4578 if (r < 0)
4579 return r;
4580
4581 r = sd_bus_message_exit_container(m);
4582 if (r < 0)
4583 return r;
4584
4585 return 0;
4586 }
4587
4588 #define print_prop(name, fmt, ...) \
4589 do { \
4590 if (arg_value) \
4591 printf(fmt "\n", __VA_ARGS__); \
4592 else \
4593 printf("%s=" fmt "\n", name, __VA_ARGS__); \
4594 } while (0)
4595
4596 static int print_property(const char *name, sd_bus_message *m, bool value, bool all) {
4597 char bus_type;
4598 const char *contents;
4599 int r;
4600
4601 assert(name);
4602 assert(m);
4603
4604 /* This is a low-level property printer, see
4605 * print_status_info() for the nicer output */
4606
4607 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4608 if (r < 0)
4609 return r;
4610
4611 switch (bus_type) {
4612
4613 case SD_BUS_TYPE_STRUCT:
4614
4615 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4616 uint32_t u;
4617
4618 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4619 if (r < 0)
4620 return bus_log_parse_error(r);
4621
4622 if (u > 0)
4623 print_prop(name, "%"PRIu32, u);
4624 else if (all)
4625 print_prop(name, "%s", "");
4626
4627 return 1;
4628
4629 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4630 const char *s;
4631
4632 r = sd_bus_message_read(m, "(so)", &s, NULL);
4633 if (r < 0)
4634 return bus_log_parse_error(r);
4635
4636 if (all || !isempty(s))
4637 print_prop(name, "%s", s);
4638
4639 return 1;
4640
4641 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4642 const char *a = NULL, *b = NULL;
4643
4644 r = sd_bus_message_read(m, "(ss)", &a, &b);
4645 if (r < 0)
4646 return bus_log_parse_error(r);
4647
4648 if (all || !isempty(a) || !isempty(b))
4649 print_prop(name, "%s \"%s\"", strempty(a), strempty(b));
4650
4651 return 1;
4652 } else if (streq_ptr(name, "SystemCallFilter")) {
4653 _cleanup_strv_free_ char **l = NULL;
4654 int whitelist;
4655
4656 r = sd_bus_message_enter_container(m, 'r', "bas");
4657 if (r < 0)
4658 return bus_log_parse_error(r);
4659
4660 r = sd_bus_message_read(m, "b", &whitelist);
4661 if (r < 0)
4662 return bus_log_parse_error(r);
4663
4664 r = sd_bus_message_read_strv(m, &l);
4665 if (r < 0)
4666 return bus_log_parse_error(r);
4667
4668 r = sd_bus_message_exit_container(m);
4669 if (r < 0)
4670 return bus_log_parse_error(r);
4671
4672 if (all || whitelist || !strv_isempty(l)) {
4673 bool first = true;
4674 char **i;
4675
4676 if (!value) {
4677 fputs(name, stdout);
4678 fputc('=', stdout);
4679 }
4680
4681 if (!whitelist)
4682 fputc('~', stdout);
4683
4684 STRV_FOREACH(i, l) {
4685 if (first)
4686 first = false;
4687 else
4688 fputc(' ', stdout);
4689
4690 fputs(*i, stdout);
4691 }
4692 fputc('\n', stdout);
4693 }
4694
4695 return 1;
4696 }
4697
4698 break;
4699
4700 case SD_BUS_TYPE_ARRAY:
4701
4702 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4703 const char *path;
4704 int ignore;
4705
4706 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4707 if (r < 0)
4708 return bus_log_parse_error(r);
4709
4710 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4711 print_prop(name, "%s (ignore_errors=%s)", path, yes_no(ignore));
4712
4713 if (r < 0)
4714 return bus_log_parse_error(r);
4715
4716 r = sd_bus_message_exit_container(m);
4717 if (r < 0)
4718 return bus_log_parse_error(r);
4719
4720 return 1;
4721
4722 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4723 const char *type, *path;
4724
4725 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4726 if (r < 0)
4727 return bus_log_parse_error(r);
4728
4729 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4730 print_prop(name, "%s (%s)", path, type);
4731 if (r < 0)
4732 return bus_log_parse_error(r);
4733
4734 r = sd_bus_message_exit_container(m);
4735 if (r < 0)
4736 return bus_log_parse_error(r);
4737
4738 return 1;
4739
4740 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4741 const char *type, *path;
4742
4743 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4744 if (r < 0)
4745 return bus_log_parse_error(r);
4746
4747 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4748 print_prop(name, "%s (%s)", path, type);
4749 if (r < 0)
4750 return bus_log_parse_error(r);
4751
4752 r = sd_bus_message_exit_container(m);
4753 if (r < 0)
4754 return bus_log_parse_error(r);
4755
4756 return 1;
4757
4758 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4759 const char *base;
4760 uint64_t v, next_elapse;
4761
4762 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4763 if (r < 0)
4764 return bus_log_parse_error(r);
4765
4766 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4767 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4768
4769 print_prop(name, "{ %s=%s ; next_elapse=%s }", base,
4770 format_timespan(timespan1, sizeof(timespan1), v, 0),
4771 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4772 }
4773 if (r < 0)
4774 return bus_log_parse_error(r);
4775
4776 r = sd_bus_message_exit_container(m);
4777 if (r < 0)
4778 return bus_log_parse_error(r);
4779
4780 return 1;
4781
4782 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
4783 const char *base, *spec;
4784 uint64_t next_elapse;
4785
4786 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
4787 if (r < 0)
4788 return bus_log_parse_error(r);
4789
4790 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
4791 char timestamp[FORMAT_TIMESTAMP_MAX];
4792
4793 print_prop(name, "{ %s=%s ; next_elapse=%s }", base, spec,
4794 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
4795 }
4796 if (r < 0)
4797 return bus_log_parse_error(r);
4798
4799 r = sd_bus_message_exit_container(m);
4800 if (r < 0)
4801 return bus_log_parse_error(r);
4802
4803 return 1;
4804
4805 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4806 ExecStatusInfo info = {};
4807
4808 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4809 if (r < 0)
4810 return bus_log_parse_error(r);
4811
4812 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4813 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4814 _cleanup_free_ char *tt;
4815
4816 tt = strv_join(info.argv, " ");
4817
4818 print_prop(name,
4819 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
4820 strna(info.path),
4821 strna(tt),
4822 yes_no(info.ignore),
4823 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4824 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4825 info.pid,
4826 sigchld_code_to_string(info.code),
4827 info.status,
4828 info.code == CLD_EXITED ? "" : "/",
4829 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4830
4831 free(info.path);
4832 strv_free(info.argv);
4833 zero(info);
4834 }
4835
4836 r = sd_bus_message_exit_container(m);
4837 if (r < 0)
4838 return bus_log_parse_error(r);
4839
4840 return 1;
4841
4842 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4843 const char *path, *rwm;
4844
4845 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4846 if (r < 0)
4847 return bus_log_parse_error(r);
4848
4849 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4850 print_prop(name, "%s %s", strna(path), strna(rwm));
4851 if (r < 0)
4852 return bus_log_parse_error(r);
4853
4854 r = sd_bus_message_exit_container(m);
4855 if (r < 0)
4856 return bus_log_parse_error(r);
4857
4858 return 1;
4859
4860 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4861 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
4862 const char *path;
4863 uint64_t weight;
4864
4865 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4866 if (r < 0)
4867 return bus_log_parse_error(r);
4868
4869 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4870 print_prop(name, "%s %"PRIu64, strna(path), weight);
4871 if (r < 0)
4872 return bus_log_parse_error(r);
4873
4874 r = sd_bus_message_exit_container(m);
4875 if (r < 0)
4876 return bus_log_parse_error(r);
4877
4878 return 1;
4879
4880 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4881 (cgroup_io_limit_type_from_string(name) >= 0 ||
4882 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
4883 const char *path;
4884 uint64_t bandwidth;
4885
4886 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4887 if (r < 0)
4888 return bus_log_parse_error(r);
4889
4890 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
4891 print_prop(name, "%s %"PRIu64, strna(path), bandwidth);
4892 if (r < 0)
4893 return bus_log_parse_error(r);
4894
4895 r = sd_bus_message_exit_container(m);
4896 if (r < 0)
4897 return bus_log_parse_error(r);
4898
4899 return 1;
4900
4901 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
4902 _cleanup_free_ char *h = NULL;
4903 const void *p;
4904 size_t sz;
4905 ssize_t n;
4906
4907 r = sd_bus_message_read_array(m, 'y', &p, &sz);
4908 if (r < 0)
4909 return bus_log_parse_error(r);
4910
4911 n = base64mem(p, sz, &h);
4912 if (n < 0)
4913 return log_oom();
4914
4915 print_prop(name, "%s", h);
4916
4917 return 1;
4918 }
4919
4920 break;
4921 }
4922
4923 return 0;
4924 }
4925
4926 typedef enum SystemctlShowMode{
4927 SYSTEMCTL_SHOW_PROPERTIES,
4928 SYSTEMCTL_SHOW_STATUS,
4929 SYSTEMCTL_SHOW_HELP,
4930 _SYSTEMCTL_SHOW_MODE_MAX,
4931 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
4932 } SystemctlShowMode;
4933
4934 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
4935 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
4936 [SYSTEMCTL_SHOW_STATUS] = "status",
4937 [SYSTEMCTL_SHOW_HELP] = "help",
4938 };
4939
4940 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
4941
4942 static int show_one(
4943 sd_bus *bus,
4944 const char *path,
4945 const char *unit,
4946 SystemctlShowMode show_mode,
4947 bool *new_line,
4948 bool *ellipsized) {
4949
4950 static const struct bus_properties_map property_map[] = {
4951 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
4952 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
4953 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
4954 {}
4955 }, status_map[] = {
4956 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
4957 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
4958 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
4959 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
4960 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
4961 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
4962 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
4963 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
4964 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
4965 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
4966 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
4967 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
4968 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
4969 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
4970 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
4971 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
4972 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
4973 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
4974 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
4975 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
4976 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
4977 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
4978 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
4979 { "MainPID", "u", map_main_pid, 0 },
4980 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
4981 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
4982 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
4983 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
4984 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
4985 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
4986 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
4987 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
4988 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
4989 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
4990 { "Conditions", "a(sbbsi)", map_conditions, 0 },
4991 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
4992 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
4993 { "Asserts", "a(sbbsi)", map_asserts, 0 },
4994 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
4995 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
4996 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
4997 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
4998 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
4999 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5000 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5001 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5002 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5003 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5004 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5005 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5006 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5007 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5008 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5009 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5010 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5011 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5012 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5013 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5014 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5015 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5016 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5017 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5018 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5019 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5020 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5021 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5022 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5023 {}
5024 };
5025
5026 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5027 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5028 _cleanup_set_free_ Set *found_properties = NULL;
5029 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5030 .memory_current = (uint64_t) -1,
5031 .memory_high = CGROUP_LIMIT_MAX,
5032 .memory_max = CGROUP_LIMIT_MAX,
5033 .memory_swap_max = CGROUP_LIMIT_MAX,
5034 .memory_limit = (uint64_t) -1,
5035 .cpu_usage_nsec = (uint64_t) -1,
5036 .tasks_current = (uint64_t) -1,
5037 .tasks_max = (uint64_t) -1,
5038 .ip_ingress_bytes = (uint64_t) -1,
5039 .ip_egress_bytes = (uint64_t) -1,
5040 };
5041 char **pp;
5042 int r;
5043
5044 assert(path);
5045 assert(new_line);
5046
5047 log_debug("Showing one %s", path);
5048
5049 r = bus_map_all_properties(
5050 bus,
5051 "org.freedesktop.systemd1",
5052 path,
5053 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5054 BUS_MAP_BOOLEAN_AS_BOOL,
5055 &error,
5056 &reply,
5057 &info);
5058 if (r < 0)
5059 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5060
5061 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5062 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5063 "Unit %s could not be found.", unit);
5064
5065 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5066 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5067 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5068 return -ENOENT;
5069 }
5070
5071 if (*new_line)
5072 printf("\n");
5073
5074 *new_line = true;
5075
5076 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5077 print_status_info(bus, &info, ellipsized);
5078
5079 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5080 return EXIT_PROGRAM_NOT_RUNNING;
5081
5082 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5083
5084 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5085 show_unit_help(&info);
5086 return 0;
5087 }
5088
5089 r = sd_bus_message_rewind(reply, true);
5090 if (r < 0)
5091 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5092
5093 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5094 if (r < 0)
5095 return bus_log_parse_error(r);
5096
5097 STRV_FOREACH(pp, arg_properties)
5098 if (!set_contains(found_properties, *pp))
5099 log_debug("Property %s does not exist.", *pp);
5100
5101 return 0;
5102 }
5103
5104 static int get_unit_dbus_path_by_pid(
5105 sd_bus *bus,
5106 uint32_t pid,
5107 char **unit) {
5108
5109 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5110 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5111 char *u;
5112 int r;
5113
5114 r = sd_bus_call_method(
5115 bus,
5116 "org.freedesktop.systemd1",
5117 "/org/freedesktop/systemd1",
5118 "org.freedesktop.systemd1.Manager",
5119 "GetUnitByPID",
5120 &error,
5121 &reply,
5122 "u", pid);
5123 if (r < 0)
5124 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5125
5126 r = sd_bus_message_read(reply, "o", &u);
5127 if (r < 0)
5128 return bus_log_parse_error(r);
5129
5130 u = strdup(u);
5131 if (!u)
5132 return log_oom();
5133
5134 *unit = u;
5135 return 0;
5136 }
5137
5138 static int show_all(
5139 sd_bus *bus,
5140 bool *new_line,
5141 bool *ellipsized) {
5142
5143 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5144 _cleanup_free_ UnitInfo *unit_infos = NULL;
5145 const UnitInfo *u;
5146 unsigned c;
5147 int r, ret = 0;
5148
5149 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5150 if (r < 0)
5151 return r;
5152
5153 (void) pager_open(arg_no_pager, false);
5154
5155 c = (unsigned) r;
5156
5157 qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info);
5158
5159 for (u = unit_infos; u < unit_infos + c; u++) {
5160 _cleanup_free_ char *p = NULL;
5161
5162 p = unit_dbus_path_from_name(u->id);
5163 if (!p)
5164 return log_oom();
5165
5166 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5167 if (r < 0)
5168 return r;
5169 else if (r > 0 && ret == 0)
5170 ret = r;
5171 }
5172
5173 return ret;
5174 }
5175
5176 static int show_system_status(sd_bus *bus) {
5177 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5178 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5179 _cleanup_(machine_info_clear) struct machine_info mi = {};
5180 _cleanup_free_ char *hn = NULL;
5181 const char *on, *off;
5182 int r;
5183
5184 hn = gethostname_malloc();
5185 if (!hn)
5186 return log_oom();
5187
5188 r = bus_map_all_properties(
5189 bus,
5190 "org.freedesktop.systemd1",
5191 "/org/freedesktop/systemd1",
5192 machine_info_property_map,
5193 BUS_MAP_STRDUP,
5194 &error,
5195 NULL,
5196 &mi);
5197 if (r < 0)
5198 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5199
5200 if (streq_ptr(mi.state, "degraded")) {
5201 on = ansi_highlight_red();
5202 off = ansi_normal();
5203 } else if (streq_ptr(mi.state, "running")) {
5204 on = ansi_highlight_green();
5205 off = ansi_normal();
5206 } else {
5207 on = ansi_highlight_yellow();
5208 off = ansi_normal();
5209 }
5210
5211 printf("%s%s%s %s\n", on, special_glyph(BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5212
5213 printf(" State: %s%s%s\n",
5214 on, strna(mi.state), off);
5215
5216 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5217 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5218
5219 printf(" Since: %s; %s\n",
5220 format_timestamp(since2, sizeof(since2), mi.timestamp),
5221 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5222
5223 printf(" CGroup: %s\n", mi.control_group ?: "/");
5224 if (IN_SET(arg_transport,
5225 BUS_TRANSPORT_LOCAL,
5226 BUS_TRANSPORT_MACHINE)) {
5227 static const char prefix[] = " ";
5228 unsigned c;
5229
5230 c = columns();
5231 if (c > sizeof(prefix) - 1)
5232 c -= sizeof(prefix) - 1;
5233 else
5234 c = 0;
5235
5236 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5237 }
5238
5239 return 0;
5240 }
5241
5242 static int show(int argc, char *argv[], void *userdata) {
5243 bool new_line = false, ellipsized = false;
5244 SystemctlShowMode show_mode;
5245 int r, ret = 0;
5246 sd_bus *bus;
5247
5248 assert(argv);
5249
5250 show_mode = systemctl_show_mode_from_string(argv[0]);
5251 if (show_mode < 0) {
5252 log_error("Invalid argument.");
5253 return -EINVAL;
5254 }
5255
5256 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1) {
5257 log_error("This command expects one or more unit names. Did you mean --help?");
5258 return -EINVAL;
5259 }
5260
5261 r = acquire_bus(BUS_MANAGER, &bus);
5262 if (r < 0)
5263 return r;
5264
5265 (void) pager_open(arg_no_pager, false);
5266
5267 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5268 /* Increase max number of open files to 16K if we can, we
5269 * might needs this when browsing journal files, which might
5270 * be split up into many files. */
5271 setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
5272
5273 /* If no argument is specified inspect the manager itself */
5274 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5275 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5276
5277 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5278
5279 show_system_status(bus);
5280 new_line = true;
5281
5282 if (arg_all)
5283 ret = show_all(bus, &new_line, &ellipsized);
5284 } else {
5285 _cleanup_free_ char **patterns = NULL;
5286 char **name;
5287
5288 STRV_FOREACH(name, strv_skip(argv, 1)) {
5289 _cleanup_free_ char *path = NULL, *unit = NULL;
5290 uint32_t id;
5291
5292 if (safe_atou32(*name, &id) < 0) {
5293 if (strv_push(&patterns, *name) < 0)
5294 return log_oom();
5295
5296 continue;
5297 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5298 /* Interpret as job id */
5299 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5300 return log_oom();
5301
5302 } else {
5303 /* Interpret as PID */
5304 r = get_unit_dbus_path_by_pid(bus, id, &path);
5305 if (r < 0) {
5306 ret = r;
5307 continue;
5308 }
5309
5310 r = unit_name_from_dbus_path(path, &unit);
5311 if (r < 0)
5312 return log_oom();
5313 }
5314
5315 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5316 if (r < 0)
5317 return r;
5318 else if (r > 0 && ret == 0)
5319 ret = r;
5320 }
5321
5322 if (!strv_isempty(patterns)) {
5323 _cleanup_strv_free_ char **names = NULL;
5324
5325 r = expand_names(bus, patterns, NULL, &names);
5326 if (r < 0)
5327 return log_error_errno(r, "Failed to expand names: %m");
5328
5329 STRV_FOREACH(name, names) {
5330 _cleanup_free_ char *path;
5331
5332 path = unit_dbus_path_from_name(*name);
5333 if (!path)
5334 return log_oom();
5335
5336 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5337 if (r < 0)
5338 return r;
5339 if (r > 0 && ret == 0)
5340 ret = r;
5341 }
5342 }
5343 }
5344
5345 if (ellipsized && !arg_quiet)
5346 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5347
5348 return ret;
5349 }
5350
5351 static int cat(int argc, char *argv[], void *userdata) {
5352 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5353 _cleanup_strv_free_ char **names = NULL;
5354 char **name;
5355 sd_bus *bus;
5356 bool first = true;
5357 int r;
5358
5359 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5360 log_error("Cannot remotely cat units.");
5361 return -EINVAL;
5362 }
5363
5364 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5365 if (r < 0)
5366 return log_error_errno(r, "Failed to determine unit paths: %m");
5367
5368 r = acquire_bus(BUS_MANAGER, &bus);
5369 if (r < 0)
5370 return r;
5371
5372 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5373 if (r < 0)
5374 return log_error_errno(r, "Failed to expand names: %m");
5375
5376 (void) pager_open(arg_no_pager, false);
5377
5378 STRV_FOREACH(name, names) {
5379 _cleanup_free_ char *fragment_path = NULL;
5380 _cleanup_strv_free_ char **dropin_paths = NULL;
5381
5382 r = unit_find_paths(bus, *name, &lp, &fragment_path, &dropin_paths);
5383 if (r == -ERFKILL) {
5384 printf("%s# unit %s is masked%s\n",
5385 ansi_highlight_magenta(),
5386 *name,
5387 ansi_normal());
5388 continue;
5389 }
5390 if (r < 0)
5391 return r;
5392 else if (r == 0)
5393 return -ENOENT;
5394
5395 if (first)
5396 first = false;
5397 else
5398 puts("");
5399
5400 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5401 fprintf(stderr,
5402 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5403 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5404 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5405 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5406 ansi_highlight_red(),
5407 *name,
5408 ansi_highlight_red(),
5409 ansi_highlight_red(),
5410 ansi_highlight_red(),
5411 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5412 ansi_normal());
5413
5414 r = cat_files(fragment_path, dropin_paths, 0);
5415 if (r < 0)
5416 return r;
5417 }
5418
5419 return 0;
5420 }
5421
5422 static int set_property(int argc, char *argv[], void *userdata) {
5423 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5424 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5425 _cleanup_free_ char *n = NULL;
5426 UnitType t;
5427 sd_bus *bus;
5428 int r;
5429
5430 r = acquire_bus(BUS_MANAGER, &bus);
5431 if (r < 0)
5432 return r;
5433
5434 polkit_agent_open_maybe();
5435
5436 r = sd_bus_message_new_method_call(
5437 bus,
5438 &m,
5439 "org.freedesktop.systemd1",
5440 "/org/freedesktop/systemd1",
5441 "org.freedesktop.systemd1.Manager",
5442 "SetUnitProperties");
5443 if (r < 0)
5444 return bus_log_create_error(r);
5445
5446 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5447 if (r < 0)
5448 return log_error_errno(r, "Failed to mangle unit name: %m");
5449
5450 t = unit_name_to_type(n);
5451 if (t < 0) {
5452 log_error("Invalid unit type: %s", n);
5453 return -EINVAL;
5454 }
5455
5456 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5457 if (r < 0)
5458 return bus_log_create_error(r);
5459
5460 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5461 if (r < 0)
5462 return bus_log_create_error(r);
5463
5464 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5465 if (r < 0)
5466 return r;
5467
5468 r = sd_bus_message_close_container(m);
5469 if (r < 0)
5470 return bus_log_create_error(r);
5471
5472 r = sd_bus_call(bus, m, 0, &error, NULL);
5473 if (r < 0)
5474 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5475
5476 return 0;
5477 }
5478
5479 static int daemon_reload(int argc, char *argv[], void *userdata) {
5480 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5481 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5482 const char *method;
5483 sd_bus *bus;
5484 int r;
5485
5486 r = acquire_bus(BUS_MANAGER, &bus);
5487 if (r < 0)
5488 return r;
5489
5490 polkit_agent_open_maybe();
5491
5492 switch (arg_action) {
5493
5494 case ACTION_RELOAD:
5495 method = "Reload";
5496 break;
5497
5498 case ACTION_REEXEC:
5499 method = "Reexecute";
5500 break;
5501
5502 case ACTION_SYSTEMCTL:
5503 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5504 /* "daemon-reload" */ "Reload";
5505 break;
5506
5507 default:
5508 assert_not_reached("Unexpected action");
5509 }
5510
5511 r = sd_bus_message_new_method_call(
5512 bus,
5513 &m,
5514 "org.freedesktop.systemd1",
5515 "/org/freedesktop/systemd1",
5516 "org.freedesktop.systemd1.Manager",
5517 method);
5518 if (r < 0)
5519 return bus_log_create_error(r);
5520
5521 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5522 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5523 * their timeout, and for everything else there's the same time budget in place. */
5524
5525 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5526
5527 /* On reexecution, we expect a disconnect, not a reply */
5528 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
5529 r = 0;
5530
5531 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5532 return log_error_errno(r, "Failed to reload daemon: %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 trivial_method(int argc, char *argv[], void *userdata) {
5541 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5542 const char *method;
5543 sd_bus *bus;
5544 int r;
5545
5546 if (arg_dry_run)
5547 return 0;
5548
5549 r = acquire_bus(BUS_MANAGER, &bus);
5550 if (r < 0)
5551 return r;
5552
5553 polkit_agent_open_maybe();
5554
5555 method =
5556 streq(argv[0], "clear-jobs") ||
5557 streq(argv[0], "cancel") ? "ClearJobs" :
5558 streq(argv[0], "reset-failed") ? "ResetFailed" :
5559 streq(argv[0], "halt") ? "Halt" :
5560 streq(argv[0], "reboot") ? "Reboot" :
5561 streq(argv[0], "kexec") ? "KExec" :
5562 streq(argv[0], "exit") ? "Exit" :
5563 /* poweroff */ "PowerOff";
5564
5565 r = sd_bus_call_method(
5566 bus,
5567 "org.freedesktop.systemd1",
5568 "/org/freedesktop/systemd1",
5569 "org.freedesktop.systemd1.Manager",
5570 method,
5571 &error,
5572 NULL,
5573 NULL);
5574 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5575 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
5576
5577 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5578 * old ways of doing things, hence don't log any error in that case here. */
5579
5580 return r < 0 ? r : 0;
5581 }
5582
5583 static int reset_failed(int argc, char *argv[], void *userdata) {
5584 _cleanup_strv_free_ char **names = NULL;
5585 sd_bus *bus;
5586 char **name;
5587 int r, q;
5588
5589 if (argc <= 1)
5590 return trivial_method(argc, argv, userdata);
5591
5592 r = acquire_bus(BUS_MANAGER, &bus);
5593 if (r < 0)
5594 return r;
5595
5596 polkit_agent_open_maybe();
5597
5598 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5599 if (r < 0)
5600 return log_error_errno(r, "Failed to expand names: %m");
5601
5602 STRV_FOREACH(name, names) {
5603 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5604
5605 q = sd_bus_call_method(
5606 bus,
5607 "org.freedesktop.systemd1",
5608 "/org/freedesktop/systemd1",
5609 "org.freedesktop.systemd1.Manager",
5610 "ResetFailedUnit",
5611 &error,
5612 NULL,
5613 "s", *name);
5614 if (q < 0) {
5615 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
5616 if (r == 0)
5617 r = q;
5618 }
5619 }
5620
5621 return r;
5622 }
5623
5624 static int print_variable(const char *s) {
5625 const char *sep;
5626 _cleanup_free_ char *esc = NULL;
5627
5628 sep = strchr(s, '=');
5629 if (!sep) {
5630 log_error("Invalid environment block");
5631 return -EUCLEAN;
5632 }
5633
5634 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
5635 if (!esc)
5636 return log_oom();
5637
5638 printf("%.*s=%s\n", (int)(sep-s), s, esc);
5639 return 0;
5640 }
5641
5642 static int show_environment(int argc, char *argv[], void *userdata) {
5643 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5644 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5645 const char *text;
5646 sd_bus *bus;
5647 int r;
5648
5649 r = acquire_bus(BUS_MANAGER, &bus);
5650 if (r < 0)
5651 return r;
5652
5653 (void) pager_open(arg_no_pager, false);
5654
5655 r = sd_bus_get_property(
5656 bus,
5657 "org.freedesktop.systemd1",
5658 "/org/freedesktop/systemd1",
5659 "org.freedesktop.systemd1.Manager",
5660 "Environment",
5661 &error,
5662 &reply,
5663 "as");
5664 if (r < 0)
5665 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
5666
5667 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
5668 if (r < 0)
5669 return bus_log_parse_error(r);
5670
5671 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
5672 r = print_variable(text);
5673 if (r < 0)
5674 return r;
5675 }
5676 if (r < 0)
5677 return bus_log_parse_error(r);
5678
5679 r = sd_bus_message_exit_container(reply);
5680 if (r < 0)
5681 return bus_log_parse_error(r);
5682
5683 return 0;
5684 }
5685
5686 static int switch_root(int argc, char *argv[], void *userdata) {
5687 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5688 _cleanup_free_ char *cmdline_init = NULL;
5689 const char *root, *init;
5690 sd_bus *bus;
5691 int r;
5692
5693 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5694 log_error("Cannot switch root remotely.");
5695 return -EINVAL;
5696 }
5697
5698 if (argc < 2 || argc > 3) {
5699 log_error("Wrong number of arguments.");
5700 return -EINVAL;
5701 }
5702
5703 root = argv[1];
5704
5705 if (argc >= 3)
5706 init = argv[2];
5707 else {
5708 r = parse_env_file(NULL, "/proc/cmdline", WHITESPACE,
5709 "init", &cmdline_init,
5710 NULL);
5711 if (r < 0)
5712 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
5713
5714 init = cmdline_init;
5715 }
5716
5717 init = empty_to_null(init);
5718 if (init) {
5719 const char *root_systemd_path = NULL, *root_init_path = NULL;
5720
5721 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
5722 root_init_path = strjoina(root, "/", init);
5723
5724 /* If the passed init is actually the same as the
5725 * systemd binary, then let's suppress it. */
5726 if (files_same(root_init_path, root_systemd_path, 0) > 0)
5727 init = NULL;
5728 }
5729
5730 /* Instruct PID1 to exclude us from its killing spree applied during
5731 * the transition. Otherwise we would exit with a failure status even
5732 * though the switch to the new root has succeed. */
5733 argv_cmdline[0] = '@';
5734
5735 r = acquire_bus(BUS_MANAGER, &bus);
5736 if (r < 0)
5737 return r;
5738
5739 /* If we are slow to exit after the root switch, the new systemd instance
5740 * will send us a signal to terminate. Just ignore it and exit normally.
5741 * This way the unit does not end up as failed.
5742 */
5743 r = ignore_signals(SIGTERM, -1);
5744 if (r < 0)
5745 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
5746
5747 log_debug("Switching root - root: %s; init: %s", root, strna(init));
5748
5749 r = sd_bus_call_method(
5750 bus,
5751 "org.freedesktop.systemd1",
5752 "/org/freedesktop/systemd1",
5753 "org.freedesktop.systemd1.Manager",
5754 "SwitchRoot",
5755 &error,
5756 NULL,
5757 "ss", root, init);
5758 if (r < 0) {
5759 (void) default_signals(SIGTERM, -1);
5760
5761 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
5762 }
5763
5764 return 0;
5765 }
5766
5767 static int set_environment(int argc, char *argv[], void *userdata) {
5768 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5769 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5770 const char *method;
5771 sd_bus *bus;
5772 int r;
5773
5774 assert(argc > 1);
5775 assert(argv);
5776
5777 r = acquire_bus(BUS_MANAGER, &bus);
5778 if (r < 0)
5779 return r;
5780
5781 polkit_agent_open_maybe();
5782
5783 method = streq(argv[0], "set-environment")
5784 ? "SetEnvironment"
5785 : "UnsetEnvironment";
5786
5787 r = sd_bus_message_new_method_call(
5788 bus,
5789 &m,
5790 "org.freedesktop.systemd1",
5791 "/org/freedesktop/systemd1",
5792 "org.freedesktop.systemd1.Manager",
5793 method);
5794 if (r < 0)
5795 return bus_log_create_error(r);
5796
5797 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
5798 if (r < 0)
5799 return bus_log_create_error(r);
5800
5801 r = sd_bus_call(bus, m, 0, &error, NULL);
5802 if (r < 0)
5803 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
5804
5805 return 0;
5806 }
5807
5808 static int import_environment(int argc, char *argv[], void *userdata) {
5809 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5810 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5811 sd_bus *bus;
5812 int r;
5813
5814 r = acquire_bus(BUS_MANAGER, &bus);
5815 if (r < 0)
5816 return r;
5817
5818 polkit_agent_open_maybe();
5819
5820 r = sd_bus_message_new_method_call(
5821 bus,
5822 &m,
5823 "org.freedesktop.systemd1",
5824 "/org/freedesktop/systemd1",
5825 "org.freedesktop.systemd1.Manager",
5826 "SetEnvironment");
5827 if (r < 0)
5828 return bus_log_create_error(r);
5829
5830 if (argc < 2)
5831 r = sd_bus_message_append_strv(m, environ);
5832 else {
5833 char **a, **b;
5834
5835 r = sd_bus_message_open_container(m, 'a', "s");
5836 if (r < 0)
5837 return bus_log_create_error(r);
5838
5839 STRV_FOREACH(a, strv_skip(argv, 1)) {
5840
5841 if (!env_name_is_valid(*a)) {
5842 log_error("Not a valid environment variable name: %s", *a);
5843 return -EINVAL;
5844 }
5845
5846 STRV_FOREACH(b, environ) {
5847 const char *eq;
5848
5849 eq = startswith(*b, *a);
5850 if (eq && *eq == '=') {
5851
5852 r = sd_bus_message_append(m, "s", *b);
5853 if (r < 0)
5854 return bus_log_create_error(r);
5855
5856 break;
5857 }
5858 }
5859 }
5860
5861 r = sd_bus_message_close_container(m);
5862 }
5863 if (r < 0)
5864 return bus_log_create_error(r);
5865
5866 r = sd_bus_call(bus, m, 0, &error, NULL);
5867 if (r < 0)
5868 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
5869
5870 return 0;
5871 }
5872
5873 static int enable_sysv_units(const char *verb, char **args) {
5874 int r = 0;
5875
5876 #if HAVE_SYSV_COMPAT
5877 _cleanup_(lookup_paths_free) LookupPaths paths = {};
5878 unsigned f = 0;
5879
5880 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
5881
5882 if (arg_scope != UNIT_FILE_SYSTEM)
5883 return 0;
5884
5885 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
5886 return 0;
5887
5888 if (!STR_IN_SET(verb,
5889 "enable",
5890 "disable",
5891 "is-enabled"))
5892 return 0;
5893
5894 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
5895 if (r < 0)
5896 return r;
5897
5898 r = 0;
5899 while (args[f]) {
5900
5901 const char *argv[] = {
5902 ROOTLIBEXECDIR "/systemd-sysv-install",
5903 NULL,
5904 NULL,
5905 NULL,
5906 NULL,
5907 };
5908
5909 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5910 bool found_native = false, found_sysv;
5911 const char *name;
5912 unsigned c = 1;
5913 pid_t pid;
5914 int j;
5915
5916 name = args[f++];
5917
5918 if (!endswith(name, ".service"))
5919 continue;
5920
5921 if (path_is_absolute(name))
5922 continue;
5923
5924 j = unit_file_exists(arg_scope, &paths, name);
5925 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
5926 return log_error_errno(j, "Failed to lookup unit file state: %m");
5927 found_native = j != 0;
5928
5929 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
5930 * prefer the native unit */
5931 if (found_native && streq(verb, "is-enabled"))
5932 continue;
5933
5934 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
5935 if (!p)
5936 return log_oom();
5937
5938 p[strlen(p) - STRLEN(".service")] = 0;
5939 found_sysv = access(p, F_OK) >= 0;
5940 if (!found_sysv)
5941 continue;
5942
5943 if (!arg_quiet) {
5944 if (found_native)
5945 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
5946 else
5947 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
5948 }
5949
5950 if (!isempty(arg_root))
5951 argv[c++] = q = strappend("--root=", arg_root);
5952
5953 argv[c++] = verb;
5954 argv[c++] = basename(p);
5955 argv[c] = NULL;
5956
5957 l = strv_join((char**)argv, " ");
5958 if (!l)
5959 return log_oom();
5960
5961 if (!arg_quiet)
5962 log_info("Executing: %s", l);
5963
5964 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
5965 if (j < 0)
5966 return j;
5967 if (j == 0) {
5968 /* Child */
5969 execv(argv[0], (char**) argv);
5970 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
5971 _exit(EXIT_FAILURE);
5972 }
5973
5974 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
5975 if (j < 0)
5976 return j;
5977 if (streq(verb, "is-enabled")) {
5978 if (j == EXIT_SUCCESS) {
5979 if (!arg_quiet)
5980 puts("enabled");
5981 r = 1;
5982 } else {
5983 if (!arg_quiet)
5984 puts("disabled");
5985 }
5986
5987 } else if (j != EXIT_SUCCESS)
5988 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
5989
5990 if (found_native)
5991 continue;
5992
5993 /* Remove this entry, so that we don't try enabling it as native unit */
5994 assert(f > 0);
5995 f--;
5996 assert(args[f] == name);
5997 strv_remove(args, name);
5998 }
5999
6000 #endif
6001 return r;
6002 }
6003
6004 static int mangle_names(char **original_names, char ***mangled_names) {
6005 char **i, **l, **name;
6006 int r;
6007
6008 l = i = new(char*, strv_length(original_names) + 1);
6009 if (!l)
6010 return log_oom();
6011
6012 STRV_FOREACH(name, original_names) {
6013
6014 /* When enabling units qualified path names are OK,
6015 * too, hence allow them explicitly. */
6016
6017 if (is_path(*name)) {
6018 *i = strdup(*name);
6019 if (!*i) {
6020 strv_free(l);
6021 return log_oom();
6022 }
6023 } else {
6024 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6025 if (r < 0) {
6026 *i = NULL;
6027 strv_free(l);
6028 return log_error_errno(r, "Failed to mangle unit name: %m");
6029 }
6030 }
6031
6032 i++;
6033 }
6034
6035 *i = NULL;
6036 *mangled_names = l;
6037
6038 return 0;
6039 }
6040
6041 static int normalize_filenames(char **names) {
6042 char **u;
6043 int r;
6044
6045 STRV_FOREACH(u, names)
6046 if (!path_is_absolute(*u)) {
6047 char* normalized_path;
6048
6049 if (!isempty(arg_root)) {
6050 log_error("Non-absolute paths are not allowed when --root is used: %s", *u);
6051 return -EINVAL;
6052 }
6053
6054 if (!strchr(*u,'/')) {
6055 log_error("Link argument does contain at least one directory separator: %s", *u);
6056 return -EINVAL;
6057 }
6058
6059 r = path_make_absolute_cwd(*u, &normalized_path);
6060 if (r < 0)
6061 return r;
6062
6063 free_and_replace(*u, normalized_path);
6064 }
6065
6066 return 0;
6067 }
6068
6069 static int normalize_names(char **names, bool warn_if_path) {
6070 char **u;
6071 bool was_path = false;
6072
6073 STRV_FOREACH(u, names) {
6074 int r;
6075
6076 if (!is_path(*u))
6077 continue;
6078
6079 r = free_and_strdup(u, basename(*u));
6080 if (r < 0)
6081 return log_error_errno(r, "Failed to normalize unit file path: %m");
6082
6083 was_path = true;
6084 }
6085
6086 if (warn_if_path && was_path)
6087 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6088
6089 return 0;
6090 }
6091
6092 static int unit_exists(LookupPaths *lp, const char *unit) {
6093 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6094 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6095 _cleanup_free_ char *path = NULL;
6096 static const struct bus_properties_map property_map[] = {
6097 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6098 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6099 {},
6100 };
6101 UnitStatusInfo info = {};
6102 sd_bus *bus;
6103 int r;
6104
6105 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6106 return unit_find_template_path(unit, lp, NULL, NULL);
6107
6108 path = unit_dbus_path_from_name(unit);
6109 if (!path)
6110 return log_oom();
6111
6112 r = acquire_bus(BUS_MANAGER, &bus);
6113 if (r < 0)
6114 return r;
6115
6116 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6117 if (r < 0)
6118 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6119
6120 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6121 }
6122
6123 static int enable_unit(int argc, char *argv[], void *userdata) {
6124 _cleanup_strv_free_ char **names = NULL;
6125 const char *verb = argv[0];
6126 UnitFileChange *changes = NULL;
6127 size_t n_changes = 0;
6128 int carries_install_info = -1;
6129 bool ignore_carries_install_info = arg_quiet;
6130 int r;
6131
6132 if (!argv[1])
6133 return 0;
6134
6135 r = mangle_names(strv_skip(argv, 1), &names);
6136 if (r < 0)
6137 return r;
6138
6139 r = enable_sysv_units(verb, names);
6140 if (r < 0)
6141 return r;
6142
6143 /* If the operation was fully executed by the SysV compat, let's finish early */
6144 if (strv_isempty(names)) {
6145 if (arg_no_reload || install_client_side())
6146 return 0;
6147 return daemon_reload(argc, argv, userdata);
6148 }
6149
6150 if (streq(verb, "disable")) {
6151 r = normalize_names(names, true);
6152 if (r < 0)
6153 return r;
6154 }
6155
6156 if (streq(verb, "link")) {
6157 r = normalize_filenames(names);
6158 if (r < 0)
6159 return r;
6160 }
6161
6162 if (install_client_side()) {
6163 UnitFileFlags flags;
6164
6165 flags = args_to_flags();
6166 if (streq(verb, "enable")) {
6167 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6168 carries_install_info = r;
6169 } else if (streq(verb, "disable"))
6170 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6171 else if (streq(verb, "reenable")) {
6172 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6173 carries_install_info = r;
6174 } else if (streq(verb, "link"))
6175 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6176 else if (streq(verb, "preset")) {
6177 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6178 } else if (streq(verb, "mask"))
6179 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6180 else if (streq(verb, "unmask"))
6181 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6182 else if (streq(verb, "revert"))
6183 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6184 else
6185 assert_not_reached("Unknown verb");
6186
6187 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6188 if (r < 0)
6189 goto finish;
6190 r = 0;
6191 } else {
6192 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6193 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6194 bool expect_carries_install_info = false;
6195 bool send_runtime = true, send_force = true, send_preset_mode = false;
6196 const char *method;
6197 sd_bus *bus;
6198
6199 if (STR_IN_SET(verb, "mask", "unmask")) {
6200 char **name;
6201 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6202
6203 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6204 if (r < 0)
6205 return r;
6206
6207 STRV_FOREACH(name, names) {
6208 r = unit_exists(&lp, *name);
6209 if (r < 0)
6210 return r;
6211 if (r == 0)
6212 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6213 }
6214 }
6215
6216 r = acquire_bus(BUS_MANAGER, &bus);
6217 if (r < 0)
6218 return r;
6219
6220 polkit_agent_open_maybe();
6221
6222 if (streq(verb, "enable")) {
6223 method = "EnableUnitFiles";
6224 expect_carries_install_info = true;
6225 } else if (streq(verb, "disable")) {
6226 method = "DisableUnitFiles";
6227 send_force = false;
6228 } else if (streq(verb, "reenable")) {
6229 method = "ReenableUnitFiles";
6230 expect_carries_install_info = true;
6231 } else if (streq(verb, "link"))
6232 method = "LinkUnitFiles";
6233 else if (streq(verb, "preset")) {
6234
6235 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6236 method = "PresetUnitFilesWithMode";
6237 send_preset_mode = true;
6238 } else
6239 method = "PresetUnitFiles";
6240
6241 expect_carries_install_info = true;
6242 ignore_carries_install_info = true;
6243 } else if (streq(verb, "mask"))
6244 method = "MaskUnitFiles";
6245 else if (streq(verb, "unmask")) {
6246 method = "UnmaskUnitFiles";
6247 send_force = false;
6248 } else if (streq(verb, "revert")) {
6249 method = "RevertUnitFiles";
6250 send_runtime = send_force = false;
6251 } else
6252 assert_not_reached("Unknown verb");
6253
6254 r = sd_bus_message_new_method_call(
6255 bus,
6256 &m,
6257 "org.freedesktop.systemd1",
6258 "/org/freedesktop/systemd1",
6259 "org.freedesktop.systemd1.Manager",
6260 method);
6261 if (r < 0)
6262 return bus_log_create_error(r);
6263
6264 r = sd_bus_message_append_strv(m, names);
6265 if (r < 0)
6266 return bus_log_create_error(r);
6267
6268 if (send_preset_mode) {
6269 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6270 if (r < 0)
6271 return bus_log_create_error(r);
6272 }
6273
6274 if (send_runtime) {
6275 r = sd_bus_message_append(m, "b", arg_runtime);
6276 if (r < 0)
6277 return bus_log_create_error(r);
6278 }
6279
6280 if (send_force) {
6281 r = sd_bus_message_append(m, "b", arg_force);
6282 if (r < 0)
6283 return bus_log_create_error(r);
6284 }
6285
6286 r = sd_bus_call(bus, m, 0, &error, &reply);
6287 if (r < 0)
6288 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6289
6290 if (expect_carries_install_info) {
6291 r = sd_bus_message_read(reply, "b", &carries_install_info);
6292 if (r < 0)
6293 return bus_log_parse_error(r);
6294 }
6295
6296 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6297 if (r < 0)
6298 goto finish;
6299
6300 /* Try to reload if enabled */
6301 if (!arg_no_reload)
6302 r = daemon_reload(argc, argv, userdata);
6303 else
6304 r = 0;
6305 }
6306
6307 if (carries_install_info == 0 && !ignore_carries_install_info)
6308 log_warning("The unit files have no installation config (WantedBy, RequiredBy, Also, Alias\n"
6309 "settings in the [Install] section, and DefaultInstance for template units).\n"
6310 "This means they are not meant to be enabled using systemctl.\n"
6311 "Possible reasons for having this kind of units are:\n"
6312 "1) A unit may be statically enabled by being symlinked from another unit's\n"
6313 " .wants/ or .requires/ directory.\n"
6314 "2) A unit's purpose may be to act as a helper for some other unit which has\n"
6315 " a requirement dependency on it.\n"
6316 "3) A unit may be started when needed via activation (socket, path, timer,\n"
6317 " D-Bus, udev, scripted systemctl call, ...).\n"
6318 "4) In case of template units, the unit is meant to be enabled with some\n"
6319 " instance name specified.");
6320
6321 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6322 sd_bus *bus;
6323 size_t len, i;
6324
6325 r = acquire_bus(BUS_MANAGER, &bus);
6326 if (r < 0)
6327 goto finish;
6328
6329 len = strv_length(names);
6330 {
6331 char *new_args[len + 2];
6332
6333 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6334 for (i = 0; i < len; i++)
6335 new_args[i + 1] = basename(names[i]);
6336 new_args[i + 1] = NULL;
6337
6338 r = start_unit(len + 1, new_args, userdata);
6339 }
6340 }
6341
6342 finish:
6343 unit_file_changes_free(changes, n_changes);
6344
6345 return r;
6346 }
6347
6348 static int add_dependency(int argc, char *argv[], void *userdata) {
6349 _cleanup_strv_free_ char **names = NULL;
6350 _cleanup_free_ char *target = NULL;
6351 const char *verb = argv[0];
6352 UnitFileChange *changes = NULL;
6353 size_t n_changes = 0;
6354 UnitDependency dep;
6355 int r = 0;
6356
6357 if (!argv[1])
6358 return 0;
6359
6360 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6361 if (r < 0)
6362 return log_error_errno(r, "Failed to mangle unit name: %m");
6363
6364 r = mangle_names(strv_skip(argv, 2), &names);
6365 if (r < 0)
6366 return r;
6367
6368 if (streq(verb, "add-wants"))
6369 dep = UNIT_WANTS;
6370 else if (streq(verb, "add-requires"))
6371 dep = UNIT_REQUIRES;
6372 else
6373 assert_not_reached("Unknown verb");
6374
6375 if (install_client_side()) {
6376 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6377 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6378
6379 if (r > 0)
6380 r = 0;
6381 } else {
6382 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6383 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6384 sd_bus *bus;
6385
6386 r = acquire_bus(BUS_MANAGER, &bus);
6387 if (r < 0)
6388 return r;
6389
6390 polkit_agent_open_maybe();
6391
6392 r = sd_bus_message_new_method_call(
6393 bus,
6394 &m,
6395 "org.freedesktop.systemd1",
6396 "/org/freedesktop/systemd1",
6397 "org.freedesktop.systemd1.Manager",
6398 "AddDependencyUnitFiles");
6399 if (r < 0)
6400 return bus_log_create_error(r);
6401
6402 r = sd_bus_message_append_strv(m, names);
6403 if (r < 0)
6404 return bus_log_create_error(r);
6405
6406 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6407 if (r < 0)
6408 return bus_log_create_error(r);
6409
6410 r = sd_bus_call(bus, m, 0, &error, &reply);
6411 if (r < 0)
6412 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6413
6414 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6415 if (r < 0)
6416 goto finish;
6417
6418 if (arg_no_reload) {
6419 r = 0;
6420 goto finish;
6421 }
6422
6423 r = daemon_reload(argc, argv, userdata);
6424 }
6425
6426 finish:
6427 unit_file_changes_free(changes, n_changes);
6428
6429 return r;
6430 }
6431
6432 static int preset_all(int argc, char *argv[], void *userdata) {
6433 UnitFileChange *changes = NULL;
6434 size_t n_changes = 0;
6435 int r;
6436
6437 if (install_client_side()) {
6438 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6439 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6440
6441 if (r > 0)
6442 r = 0;
6443 } else {
6444 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6445 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6446 sd_bus *bus;
6447
6448 r = acquire_bus(BUS_MANAGER, &bus);
6449 if (r < 0)
6450 return r;
6451
6452 polkit_agent_open_maybe();
6453
6454 r = sd_bus_call_method(
6455 bus,
6456 "org.freedesktop.systemd1",
6457 "/org/freedesktop/systemd1",
6458 "org.freedesktop.systemd1.Manager",
6459 "PresetAllUnitFiles",
6460 &error,
6461 &reply,
6462 "sbb",
6463 unit_file_preset_mode_to_string(arg_preset_mode),
6464 arg_runtime,
6465 arg_force);
6466 if (r < 0)
6467 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6468
6469 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6470 if (r < 0)
6471 goto finish;
6472
6473 if (arg_no_reload) {
6474 r = 0;
6475 goto finish;
6476 }
6477
6478 r = daemon_reload(argc, argv, userdata);
6479 }
6480
6481 finish:
6482 unit_file_changes_free(changes, n_changes);
6483
6484 return r;
6485 }
6486
6487 static int show_installation_targets_client_side(const char *name) {
6488 UnitFileChange *changes = NULL;
6489 size_t n_changes = 0, i;
6490 UnitFileFlags flags;
6491 char **p;
6492 int r;
6493
6494 p = STRV_MAKE(name);
6495 flags = UNIT_FILE_DRY_RUN |
6496 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6497
6498 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6499 if (r < 0)
6500 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6501
6502 for (i = 0; i < n_changes; i++)
6503 if (changes[i].type == UNIT_FILE_UNLINK)
6504 printf(" %s\n", changes[i].path);
6505
6506 return 0;
6507 }
6508
6509 static int show_installation_targets(sd_bus *bus, const char *name) {
6510 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6511 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6512 const char *link;
6513 int r;
6514
6515 r = sd_bus_call_method(
6516 bus,
6517 "org.freedesktop.systemd1",
6518 "/org/freedesktop/systemd1",
6519 "org.freedesktop.systemd1.Manager",
6520 "GetUnitFileLinks",
6521 &error,
6522 &reply,
6523 "sb", name, arg_runtime);
6524 if (r < 0)
6525 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
6526
6527 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6528 if (r < 0)
6529 return bus_log_parse_error(r);
6530
6531 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
6532 printf(" %s\n", link);
6533
6534 if (r < 0)
6535 return bus_log_parse_error(r);
6536
6537 r = sd_bus_message_exit_container(reply);
6538 if (r < 0)
6539 return bus_log_parse_error(r);
6540
6541 return 0;
6542 }
6543
6544 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
6545 _cleanup_strv_free_ char **names = NULL;
6546 bool enabled;
6547 char **name;
6548 int r;
6549
6550 r = mangle_names(strv_skip(argv, 1), &names);
6551 if (r < 0)
6552 return r;
6553
6554 r = enable_sysv_units(argv[0], names);
6555 if (r < 0)
6556 return r;
6557
6558 enabled = r > 0;
6559
6560 if (install_client_side()) {
6561 STRV_FOREACH(name, names) {
6562 UnitFileState state;
6563
6564 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
6565 if (r < 0)
6566 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
6567
6568 if (IN_SET(state,
6569 UNIT_FILE_ENABLED,
6570 UNIT_FILE_ENABLED_RUNTIME,
6571 UNIT_FILE_STATIC,
6572 UNIT_FILE_INDIRECT,
6573 UNIT_FILE_GENERATED))
6574 enabled = true;
6575
6576 if (!arg_quiet) {
6577 puts(unit_file_state_to_string(state));
6578 if (arg_full) {
6579 r = show_installation_targets_client_side(*name);
6580 if (r < 0)
6581 return r;
6582 }
6583 }
6584 }
6585
6586 r = 0;
6587 } else {
6588 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6589 sd_bus *bus;
6590
6591 r = acquire_bus(BUS_MANAGER, &bus);
6592 if (r < 0)
6593 return r;
6594
6595 STRV_FOREACH(name, names) {
6596 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6597 const char *s;
6598
6599 r = sd_bus_call_method(
6600 bus,
6601 "org.freedesktop.systemd1",
6602 "/org/freedesktop/systemd1",
6603 "org.freedesktop.systemd1.Manager",
6604 "GetUnitFileState",
6605 &error,
6606 &reply,
6607 "s", *name);
6608 if (r < 0)
6609 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
6610
6611 r = sd_bus_message_read(reply, "s", &s);
6612 if (r < 0)
6613 return bus_log_parse_error(r);
6614
6615 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
6616 enabled = true;
6617
6618 if (!arg_quiet) {
6619 puts(s);
6620 if (arg_full) {
6621 r = show_installation_targets(bus, *name);
6622 if (r < 0)
6623 return r;
6624 }
6625 }
6626 }
6627 }
6628
6629 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
6630 }
6631
6632 static int is_system_running(int argc, char *argv[], void *userdata) {
6633 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6634 _cleanup_free_ char *state = NULL;
6635 sd_bus *bus;
6636 int r;
6637
6638 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
6639 if (!arg_quiet)
6640 puts("offline");
6641 return EXIT_FAILURE;
6642 }
6643
6644 r = acquire_bus(BUS_MANAGER, &bus);
6645 if (r < 0)
6646 return r;
6647
6648 r = sd_bus_get_property_string(
6649 bus,
6650 "org.freedesktop.systemd1",
6651 "/org/freedesktop/systemd1",
6652 "org.freedesktop.systemd1.Manager",
6653 "SystemState",
6654 &error,
6655 &state);
6656 if (r < 0) {
6657 log_debug_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
6658
6659 if (!arg_quiet)
6660 puts("unknown");
6661 return EXIT_FAILURE;
6662 }
6663
6664 if (!arg_quiet)
6665 puts(state);
6666
6667 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
6668 }
6669
6670 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
6671 _cleanup_free_ char *t = NULL;
6672 int r;
6673
6674 assert(new_path);
6675 assert(original_path);
6676 assert(ret_tmp_fn);
6677
6678 r = tempfn_random(new_path, NULL, &t);
6679 if (r < 0)
6680 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
6681
6682 r = mkdir_parents(new_path, 0755);
6683 if (r < 0)
6684 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
6685
6686 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
6687 if (r == -ENOENT) {
6688
6689 r = touch(t);
6690 if (r < 0)
6691 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
6692
6693 } else if (r < 0)
6694 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
6695
6696 *ret_tmp_fn = TAKE_PTR(t);
6697
6698 return 0;
6699 }
6700
6701 static int get_file_to_edit(
6702 const LookupPaths *paths,
6703 const char *name,
6704 char **ret_path) {
6705
6706 _cleanup_free_ char *path = NULL, *run = NULL;
6707
6708 assert(name);
6709 assert(ret_path);
6710
6711 path = strjoin(paths->persistent_config, "/", name);
6712 if (!path)
6713 return log_oom();
6714
6715 if (arg_runtime) {
6716 run = strjoin(paths->runtime_config, "/", name);
6717 if (!run)
6718 return log_oom();
6719 }
6720
6721 if (arg_runtime) {
6722 if (access(path, F_OK) >= 0) {
6723 log_error("Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.", run, path);
6724 return -EEXIST;
6725 }
6726
6727 *ret_path = TAKE_PTR(run);
6728 } else
6729 *ret_path = TAKE_PTR(path);
6730
6731 return 0;
6732 }
6733
6734 static int unit_file_create_new(
6735 const LookupPaths *paths,
6736 const char *unit_name,
6737 const char *suffix,
6738 char **ret_new_path,
6739 char **ret_tmp_path) {
6740
6741 char *tmp_new_path, *tmp_tmp_path, *ending;
6742 int r;
6743
6744 assert(unit_name);
6745 assert(ret_new_path);
6746 assert(ret_tmp_path);
6747
6748 ending = strjoina(unit_name, suffix);
6749 r = get_file_to_edit(paths, ending, &tmp_new_path);
6750 if (r < 0)
6751 return r;
6752
6753 r = create_edit_temp_file(tmp_new_path, tmp_new_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 unit_file_create_copy(
6766 const LookupPaths *paths,
6767 const char *unit_name,
6768 const char *fragment_path,
6769 char **ret_new_path,
6770 char **ret_tmp_path) {
6771
6772 char *tmp_new_path, *tmp_tmp_path;
6773 int r;
6774
6775 assert(fragment_path);
6776 assert(unit_name);
6777 assert(ret_new_path);
6778 assert(ret_tmp_path);
6779
6780 r = get_file_to_edit(paths, unit_name, &tmp_new_path);
6781 if (r < 0)
6782 return r;
6783
6784 if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) {
6785 char response;
6786
6787 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path);
6788 if (r < 0) {
6789 free(tmp_new_path);
6790 return r;
6791 }
6792 if (response != 'y') {
6793 log_warning("%s ignored", unit_name);
6794 free(tmp_new_path);
6795 return -EKEYREJECTED;
6796 }
6797 }
6798
6799 r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path);
6800 if (r < 0) {
6801 free(tmp_new_path);
6802 return r;
6803 }
6804
6805 *ret_new_path = tmp_new_path;
6806 *ret_tmp_path = tmp_tmp_path;
6807
6808 return 0;
6809 }
6810
6811 static int run_editor(char **paths) {
6812 int r;
6813
6814 assert(paths);
6815
6816 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG|FORK_WAIT, NULL);
6817 if (r < 0)
6818 return r;
6819 if (r == 0) {
6820 char **editor_args = NULL, **tmp_path, **original_path, *p;
6821 size_t n_editor_args = 0, i = 1, argc;
6822 const char **args, *editor;
6823
6824 argc = strv_length(paths)/2 + 1;
6825
6826 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
6827 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
6828 * we try to execute well known editors
6829 */
6830 editor = getenv("SYSTEMD_EDITOR");
6831 if (!editor)
6832 editor = getenv("EDITOR");
6833 if (!editor)
6834 editor = getenv("VISUAL");
6835
6836 if (!isempty(editor)) {
6837 editor_args = strv_split(editor, WHITESPACE);
6838 if (!editor_args) {
6839 (void) log_oom();
6840 _exit(EXIT_FAILURE);
6841 }
6842 n_editor_args = strv_length(editor_args);
6843 argc += n_editor_args - 1;
6844 }
6845 args = newa(const char*, argc + 1);
6846
6847 if (n_editor_args > 0) {
6848 args[0] = editor_args[0];
6849 for (; i < n_editor_args; i++)
6850 args[i] = editor_args[i];
6851 }
6852
6853 STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
6854 args[i] = *tmp_path;
6855 i++;
6856 }
6857 args[i] = NULL;
6858
6859 if (n_editor_args > 0)
6860 execvp(args[0], (char* const*) args);
6861
6862 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
6863 args[0] = p;
6864 execvp(p, (char* const*) args);
6865 /* We do not fail if the editor doesn't exist
6866 * because we want to try each one of them before
6867 * failing.
6868 */
6869 if (errno != ENOENT) {
6870 log_error_errno(errno, "Failed to execute %s: %m", editor);
6871 _exit(EXIT_FAILURE);
6872 }
6873 }
6874
6875 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
6876 _exit(EXIT_FAILURE);
6877 }
6878
6879 return 0;
6880 }
6881
6882 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
6883 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6884 char **name;
6885 int r;
6886
6887 assert(names);
6888 assert(paths);
6889
6890 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6891 if (r < 0)
6892 return r;
6893
6894 STRV_FOREACH(name, names) {
6895 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
6896 const char *unit_name;
6897
6898 r = unit_find_paths(bus, *name, &lp, &path, NULL);
6899 if (r < 0)
6900 return r;
6901
6902 if (r == 0) {
6903 assert(!path);
6904
6905 if (!arg_force) {
6906 log_error("Run 'systemctl edit%s --force %s' to create a new unit.",
6907 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
6908 arg_scope == UNIT_FILE_USER ? " --user" : "",
6909 *name);
6910 return -ENOENT;
6911 }
6912
6913 /* Create a new unit from scratch */
6914 unit_name = *name;
6915 r = unit_file_create_new(&lp, unit_name,
6916 arg_full ? NULL : ".d/override.conf",
6917 &new_path, &tmp_path);
6918 } else {
6919 assert(path);
6920
6921 unit_name = basename(path);
6922 /* We follow unit aliases, but we need to propagate the instance */
6923 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
6924 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
6925 _cleanup_free_ char *instance = NULL;
6926
6927 r = unit_name_to_instance(*name, &instance);
6928 if (r < 0)
6929 return r;
6930
6931 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
6932 if (r < 0)
6933 return r;
6934
6935 unit_name = tmp_name;
6936 }
6937
6938 if (arg_full)
6939 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
6940 else
6941 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
6942 }
6943 if (r < 0)
6944 return r;
6945
6946 r = strv_push_pair(paths, new_path, tmp_path);
6947 if (r < 0)
6948 return log_oom();
6949 new_path = tmp_path = NULL;
6950 }
6951
6952 return 0;
6953 }
6954
6955 static int edit(int argc, char *argv[], void *userdata) {
6956 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6957 _cleanup_strv_free_ char **names = NULL;
6958 _cleanup_strv_free_ char **paths = NULL;
6959 char **original, **tmp;
6960 sd_bus *bus;
6961 int r;
6962
6963 if (!on_tty()) {
6964 log_error("Cannot edit units if not on a tty.");
6965 return -EINVAL;
6966 }
6967
6968 if (arg_transport != BUS_TRANSPORT_LOCAL) {
6969 log_error("Cannot edit units remotely.");
6970 return -EINVAL;
6971 }
6972
6973 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6974 if (r < 0)
6975 return log_error_errno(r, "Failed to determine unit paths: %m");
6976
6977 r = acquire_bus(BUS_MANAGER, &bus);
6978 if (r < 0)
6979 return r;
6980
6981 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6982 if (r < 0)
6983 return log_error_errno(r, "Failed to expand names: %m");
6984
6985 STRV_FOREACH(tmp, names) {
6986 r = unit_is_masked(bus, &lp, *tmp);
6987 if (r < 0)
6988 return r;
6989
6990 if (r > 0) {
6991 log_error("Cannot edit %s: unit is masked.", *tmp);
6992 return -EINVAL;
6993 }
6994 }
6995
6996 r = find_paths_to_edit(bus, names, &paths);
6997 if (r < 0)
6998 return r;
6999
7000 if (strv_isempty(paths))
7001 return -ENOENT;
7002
7003 r = run_editor(paths);
7004 if (r < 0)
7005 goto end;
7006
7007 STRV_FOREACH_PAIR(original, tmp, paths) {
7008 /* If the temporary file is empty we ignore it.
7009 * This allows the user to cancel the modification.
7010 */
7011 if (null_or_empty_path(*tmp)) {
7012 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7013 continue;
7014 }
7015
7016 r = rename(*tmp, *original);
7017 if (r < 0) {
7018 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7019 goto end;
7020 }
7021 }
7022
7023 r = 0;
7024
7025 if (!arg_no_reload && !install_client_side())
7026 r = daemon_reload(argc, argv, userdata);
7027
7028 end:
7029 STRV_FOREACH_PAIR(original, tmp, paths) {
7030 (void) unlink(*tmp);
7031
7032 /* Removing empty dropin dirs */
7033 if (!arg_full) {
7034 _cleanup_free_ char *dir;
7035
7036 dir = dirname_malloc(*original);
7037 if (!dir)
7038 return log_oom();
7039
7040 /* no need to check if the dir is empty, rmdir
7041 * does nothing if it is not the case.
7042 */
7043 (void) rmdir(dir);
7044 }
7045 }
7046
7047 return r;
7048 }
7049
7050 static void systemctl_help(void) {
7051 (void) pager_open(arg_no_pager, false);
7052
7053 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7054 "Query or send control commands to the systemd manager.\n\n"
7055 " -h --help Show this help\n"
7056 " --version Show package version\n"
7057 " --system Connect to system manager\n"
7058 " --user Connect to user service manager\n"
7059 " -H --host=[USER@]HOST\n"
7060 " Operate on remote host\n"
7061 " -M --machine=CONTAINER\n"
7062 " Operate on local container\n"
7063 " -t --type=TYPE List units of a particular type\n"
7064 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7065 " -p --property=NAME Show only properties by this name\n"
7066 " -a --all Show all properties/all units currently in memory,\n"
7067 " including dead/empty ones. To list all units installed on\n"
7068 " the system, use the 'list-unit-files' command instead.\n"
7069 " --failed Same as --state=failed\n"
7070 " -l --full Don't ellipsize unit names on output\n"
7071 " -r --recursive Show unit list of host and local containers\n"
7072 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7073 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7074 " queueing a new job\n"
7075 " --show-types When showing sockets, explicitly show their type\n"
7076 " --value When showing properties, only print the value\n"
7077 " -i --ignore-inhibitors\n"
7078 " When shutting down or sleeping, ignore inhibitors\n"
7079 " --kill-who=WHO Who to send signal to\n"
7080 " -s --signal=SIGNAL Which signal to send\n"
7081 " --now Start or stop unit in addition to enabling or disabling it\n"
7082 " --dry-run Only print what would be done\n"
7083 " -q --quiet Suppress output\n"
7084 " --wait For (re)start, wait until service stopped again\n"
7085 " --no-block Do not wait until operation finished\n"
7086 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7087 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7088 " --no-legend Do not print a legend (column headers and hints)\n"
7089 " --no-pager Do not pipe output into a pager\n"
7090 " --no-ask-password\n"
7091 " Do not ask for system passwords\n"
7092 " --global Enable/disable/mask unit files globally\n"
7093 " --runtime Enable/disable/mask unit files temporarily until next\n"
7094 " reboot\n"
7095 " -f --force When enabling unit files, override existing symlinks\n"
7096 " When shutting down, execute action immediately\n"
7097 " --preset-mode= Apply only enable, only disable, or all presets\n"
7098 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7099 " directory\n"
7100 " -n --lines=INTEGER Number of journal entries to show\n"
7101 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7102 " short-iso, short-iso-precise, short-full,\n"
7103 " short-monotonic, short-unix,\n"
7104 " verbose, export, json, json-pretty, json-sse, cat)\n"
7105 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7106 " --plain Print unit dependencies as a list instead of a tree\n\n"
7107 "Unit Commands:\n"
7108 " list-units [PATTERN...] List units currently in memory\n"
7109 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7110 " ordered by address\n"
7111 " list-timers [PATTERN...] List timer units currently in memory,\n"
7112 " ordered by next elapse\n"
7113 " start UNIT... Start (activate) one or more units\n"
7114 " stop UNIT... Stop (deactivate) one or more units\n"
7115 " reload UNIT... Reload one or more units\n"
7116 " restart UNIT... Start or restart one or more units\n"
7117 " try-restart UNIT... Restart one or more units if active\n"
7118 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7119 " otherwise start or restart\n"
7120 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7121 " if supported, otherwise restart\n"
7122 " isolate UNIT Start one unit and stop all others\n"
7123 " kill UNIT... Send signal to processes of a unit\n"
7124 " is-active PATTERN... Check whether units are active\n"
7125 " is-failed PATTERN... Check whether units are failed\n"
7126 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7127 " show [PATTERN...|JOB...] Show properties of one or more\n"
7128 " units/jobs or the manager\n"
7129 " cat PATTERN... Show files and drop-ins of specified units\n"
7130 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7131 " help PATTERN...|PID... Show manual for one or more units\n"
7132 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7133 " units\n"
7134 " list-dependencies [UNIT] Recursively show units which are required\n"
7135 " or wanted by this unit or by which this\n"
7136 " unit is required or wanted\n\n"
7137 "Unit File Commands:\n"
7138 " list-unit-files [PATTERN...] List installed unit files\n"
7139 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7140 " disable UNIT... Disable one or more unit files\n"
7141 " reenable UNIT... Reenable one or more unit files\n"
7142 " preset UNIT... Enable/disable one or more unit files\n"
7143 " based on preset configuration\n"
7144 " preset-all Enable/disable all unit files based on\n"
7145 " preset configuration\n"
7146 " is-enabled UNIT... Check whether unit files are enabled\n"
7147 " mask UNIT... Mask one or more units\n"
7148 " unmask UNIT... Unmask one or more units\n"
7149 " link PATH... Link one or more units files into\n"
7150 " the search path\n"
7151 " revert UNIT... Revert one or more unit files to vendor\n"
7152 " version\n"
7153 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7154 " on specified one or more units\n"
7155 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7156 " on specified one or more units\n"
7157 " edit UNIT... Edit one or more unit files\n"
7158 " get-default Get the name of the default target\n"
7159 " set-default TARGET Set the default target\n\n"
7160 "Machine Commands:\n"
7161 " list-machines [PATTERN...] List local containers and host\n\n"
7162 "Job Commands:\n"
7163 " list-jobs [PATTERN...] List jobs\n"
7164 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7165 "Environment Commands:\n"
7166 " show-environment Dump environment\n"
7167 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7168 " unset-environment VARIABLE... Unset one or more environment variables\n"
7169 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7170 "Manager Lifecycle Commands:\n"
7171 " daemon-reload Reload systemd manager configuration\n"
7172 " daemon-reexec Reexecute systemd manager\n\n"
7173 "System Commands:\n"
7174 " is-system-running Check whether system is fully running\n"
7175 " default Enter system default mode\n"
7176 " rescue Enter system rescue mode\n"
7177 " emergency Enter system emergency mode\n"
7178 " halt Shut down and halt the system\n"
7179 " poweroff Shut down and power-off the system\n"
7180 " reboot [ARG] Shut down and reboot the system\n"
7181 " kexec Shut down and reboot the system with kexec\n"
7182 " exit [EXIT_CODE] Request user instance or container exit\n"
7183 " switch-root ROOT [INIT] Change to a different root file system\n"
7184 " suspend Suspend the system\n"
7185 " hibernate Hibernate the system\n"
7186 " hybrid-sleep Hibernate and suspend the system\n"
7187 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7188 " time and put it into hibernate\n",
7189 program_invocation_short_name);
7190 }
7191
7192 static void halt_help(void) {
7193 printf("%s [OPTIONS...]%s\n\n"
7194 "%s the system.\n\n"
7195 " --help Show this help\n"
7196 " --halt Halt the machine\n"
7197 " -p --poweroff Switch off the machine\n"
7198 " --reboot Reboot the machine\n"
7199 " -f --force Force immediate halt/power-off/reboot\n"
7200 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7201 " -d --no-wtmp Don't write wtmp record\n"
7202 " --no-wall Don't send wall message before halt/power-off/reboot\n",
7203 program_invocation_short_name,
7204 arg_action == ACTION_REBOOT ? " [ARG]" : "",
7205 arg_action == ACTION_REBOOT ? "Reboot" :
7206 arg_action == ACTION_POWEROFF ? "Power off" :
7207 "Halt");
7208 }
7209
7210 static void shutdown_help(void) {
7211 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7212 "Shut down the system.\n\n"
7213 " --help Show this help\n"
7214 " -H --halt Halt the machine\n"
7215 " -P --poweroff Power-off the machine\n"
7216 " -r --reboot Reboot the machine\n"
7217 " -h Equivalent to --poweroff, overridden by --halt\n"
7218 " -k Don't halt/power-off/reboot, just send warnings\n"
7219 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7220 " -c Cancel a pending shutdown\n",
7221 program_invocation_short_name);
7222 }
7223
7224 static void telinit_help(void) {
7225 printf("%s [OPTIONS...] {COMMAND}\n\n"
7226 "Send control commands to the init daemon.\n\n"
7227 " --help Show this help\n"
7228 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7229 "Commands:\n"
7230 " 0 Power-off the machine\n"
7231 " 6 Reboot the machine\n"
7232 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7233 " 1, s, S Enter rescue mode\n"
7234 " q, Q Reload init daemon configuration\n"
7235 " u, U Reexecute init daemon\n",
7236 program_invocation_short_name);
7237 }
7238
7239 static void runlevel_help(void) {
7240 printf("%s [OPTIONS...]\n\n"
7241 "Prints the previous and current runlevel of the init system.\n\n"
7242 " --help Show this help\n",
7243 program_invocation_short_name);
7244 }
7245
7246 static void help_types(void) {
7247 if (!arg_no_legend)
7248 puts("Available unit types:");
7249
7250 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7251 }
7252
7253 static void help_states(void) {
7254 if (!arg_no_legend)
7255 puts("Available unit load states:");
7256 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7257
7258 if (!arg_no_legend)
7259 puts("\nAvailable unit active states:");
7260 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7261
7262 if (!arg_no_legend)
7263 puts("\nAvailable automount unit substates:");
7264 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7265
7266 if (!arg_no_legend)
7267 puts("\nAvailable device unit substates:");
7268 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7269
7270 if (!arg_no_legend)
7271 puts("\nAvailable mount unit substates:");
7272 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7273
7274 if (!arg_no_legend)
7275 puts("\nAvailable path unit substates:");
7276 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7277
7278 if (!arg_no_legend)
7279 puts("\nAvailable scope unit substates:");
7280 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7281
7282 if (!arg_no_legend)
7283 puts("\nAvailable service unit substates:");
7284 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7285
7286 if (!arg_no_legend)
7287 puts("\nAvailable slice unit substates:");
7288 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7289
7290 if (!arg_no_legend)
7291 puts("\nAvailable socket unit substates:");
7292 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7293
7294 if (!arg_no_legend)
7295 puts("\nAvailable swap unit substates:");
7296 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7297
7298 if (!arg_no_legend)
7299 puts("\nAvailable target unit substates:");
7300 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7301
7302 if (!arg_no_legend)
7303 puts("\nAvailable timer unit substates:");
7304 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7305 }
7306
7307 static int systemctl_parse_argv(int argc, char *argv[]) {
7308 enum {
7309 ARG_FAIL = 0x100,
7310 ARG_REVERSE,
7311 ARG_AFTER,
7312 ARG_BEFORE,
7313 ARG_DRY_RUN,
7314 ARG_SHOW_TYPES,
7315 ARG_IRREVERSIBLE,
7316 ARG_IGNORE_DEPENDENCIES,
7317 ARG_VALUE,
7318 ARG_VERSION,
7319 ARG_USER,
7320 ARG_SYSTEM,
7321 ARG_GLOBAL,
7322 ARG_NO_BLOCK,
7323 ARG_NO_LEGEND,
7324 ARG_NO_PAGER,
7325 ARG_NO_WALL,
7326 ARG_ROOT,
7327 ARG_NO_RELOAD,
7328 ARG_KILL_WHO,
7329 ARG_NO_ASK_PASSWORD,
7330 ARG_FAILED,
7331 ARG_RUNTIME,
7332 ARG_PLAIN,
7333 ARG_STATE,
7334 ARG_JOB_MODE,
7335 ARG_PRESET_MODE,
7336 ARG_FIRMWARE_SETUP,
7337 ARG_NOW,
7338 ARG_MESSAGE,
7339 ARG_WAIT,
7340 };
7341
7342 static const struct option options[] = {
7343 { "help", no_argument, NULL, 'h' },
7344 { "version", no_argument, NULL, ARG_VERSION },
7345 { "type", required_argument, NULL, 't' },
7346 { "property", required_argument, NULL, 'p' },
7347 { "all", no_argument, NULL, 'a' },
7348 { "reverse", no_argument, NULL, ARG_REVERSE },
7349 { "after", no_argument, NULL, ARG_AFTER },
7350 { "before", no_argument, NULL, ARG_BEFORE },
7351 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7352 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7353 { "full", no_argument, NULL, 'l' },
7354 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7355 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7356 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7357 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7358 { "ignore-inhibitors", no_argument, NULL, 'i' },
7359 { "value", no_argument, NULL, ARG_VALUE },
7360 { "user", no_argument, NULL, ARG_USER },
7361 { "system", no_argument, NULL, ARG_SYSTEM },
7362 { "global", no_argument, NULL, ARG_GLOBAL },
7363 { "wait", no_argument, NULL, ARG_WAIT },
7364 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7365 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7366 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7367 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7368 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7369 { "quiet", no_argument, NULL, 'q' },
7370 { "root", required_argument, NULL, ARG_ROOT },
7371 { "force", no_argument, NULL, 'f' },
7372 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7373 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7374 { "signal", required_argument, NULL, 's' },
7375 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7376 { "host", required_argument, NULL, 'H' },
7377 { "machine", required_argument, NULL, 'M' },
7378 { "runtime", no_argument, NULL, ARG_RUNTIME },
7379 { "lines", required_argument, NULL, 'n' },
7380 { "output", required_argument, NULL, 'o' },
7381 { "plain", no_argument, NULL, ARG_PLAIN },
7382 { "state", required_argument, NULL, ARG_STATE },
7383 { "recursive", no_argument, NULL, 'r' },
7384 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7385 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7386 { "now", no_argument, NULL, ARG_NOW },
7387 { "message", required_argument, NULL, ARG_MESSAGE },
7388 {}
7389 };
7390
7391 const char *p;
7392 int c, r;
7393
7394 assert(argc >= 0);
7395 assert(argv);
7396
7397 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7398 arg_ask_password = true;
7399
7400 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
7401
7402 switch (c) {
7403
7404 case 'h':
7405 systemctl_help();
7406 return 0;
7407
7408 case ARG_VERSION:
7409 return version();
7410
7411 case 't': {
7412 if (isempty(optarg)) {
7413 log_error("--type= requires arguments.");
7414 return -EINVAL;
7415 }
7416
7417 for (p = optarg;;) {
7418 _cleanup_free_ char *type = NULL;
7419
7420 r = extract_first_word(&p, &type, ",", 0);
7421 if (r < 0)
7422 return log_error_errno(r, "Failed to parse type: %s", optarg);
7423 if (r == 0)
7424 break;
7425
7426 if (streq(type, "help")) {
7427 help_types();
7428 return 0;
7429 }
7430
7431 if (unit_type_from_string(type) >= 0) {
7432 if (strv_push(&arg_types, type) < 0)
7433 return log_oom();
7434 type = NULL;
7435 continue;
7436 }
7437
7438 /* It's much nicer to use --state= for
7439 * load states, but let's support this
7440 * in --types= too for compatibility
7441 * with old versions */
7442 if (unit_load_state_from_string(type) >= 0) {
7443 if (strv_push(&arg_states, type) < 0)
7444 return log_oom();
7445 type = NULL;
7446 continue;
7447 }
7448
7449 log_error("Unknown unit type or load state '%s'.", type);
7450 log_info("Use -t help to see a list of allowed values.");
7451 return -EINVAL;
7452 }
7453
7454 break;
7455 }
7456
7457 case 'p': {
7458 /* Make sure that if the empty property list
7459 was specified, we won't show any properties. */
7460 if (isempty(optarg) && !arg_properties) {
7461 arg_properties = new0(char*, 1);
7462 if (!arg_properties)
7463 return log_oom();
7464 } else
7465 for (p = optarg;;) {
7466 _cleanup_free_ char *prop = NULL;
7467
7468 r = extract_first_word(&p, &prop, ",", 0);
7469 if (r < 0)
7470 return log_error_errno(r, "Failed to parse property: %s", optarg);
7471 if (r == 0)
7472 break;
7473
7474 if (strv_push(&arg_properties, prop) < 0)
7475 return log_oom();
7476
7477 prop = NULL;
7478 }
7479
7480 /* If the user asked for a particular
7481 * property, show it to him, even if it is
7482 * empty. */
7483 arg_all = true;
7484
7485 break;
7486 }
7487
7488 case 'a':
7489 arg_all = true;
7490 break;
7491
7492 case ARG_REVERSE:
7493 arg_dependency = DEPENDENCY_REVERSE;
7494 break;
7495
7496 case ARG_AFTER:
7497 arg_dependency = DEPENDENCY_AFTER;
7498 arg_jobs_after = true;
7499 break;
7500
7501 case ARG_BEFORE:
7502 arg_dependency = DEPENDENCY_BEFORE;
7503 arg_jobs_before = true;
7504 break;
7505
7506 case ARG_SHOW_TYPES:
7507 arg_show_types = true;
7508 break;
7509
7510 case ARG_VALUE:
7511 arg_value = true;
7512 break;
7513
7514 case ARG_JOB_MODE:
7515 arg_job_mode = optarg;
7516 break;
7517
7518 case ARG_FAIL:
7519 arg_job_mode = "fail";
7520 break;
7521
7522 case ARG_IRREVERSIBLE:
7523 arg_job_mode = "replace-irreversibly";
7524 break;
7525
7526 case ARG_IGNORE_DEPENDENCIES:
7527 arg_job_mode = "ignore-dependencies";
7528 break;
7529
7530 case ARG_USER:
7531 arg_scope = UNIT_FILE_USER;
7532 break;
7533
7534 case ARG_SYSTEM:
7535 arg_scope = UNIT_FILE_SYSTEM;
7536 break;
7537
7538 case ARG_GLOBAL:
7539 arg_scope = UNIT_FILE_GLOBAL;
7540 break;
7541
7542 case ARG_WAIT:
7543 arg_wait = true;
7544 break;
7545
7546 case ARG_NO_BLOCK:
7547 arg_no_block = true;
7548 break;
7549
7550 case ARG_NO_LEGEND:
7551 arg_no_legend = true;
7552 break;
7553
7554 case ARG_NO_PAGER:
7555 arg_no_pager = true;
7556 break;
7557
7558 case ARG_NO_WALL:
7559 arg_no_wall = true;
7560 break;
7561
7562 case ARG_ROOT:
7563 r = parse_path_argument_and_warn(optarg, false, &arg_root);
7564 if (r < 0)
7565 return r;
7566 break;
7567
7568 case 'l':
7569 arg_full = true;
7570 break;
7571
7572 case ARG_FAILED:
7573 if (strv_extend(&arg_states, "failed") < 0)
7574 return log_oom();
7575
7576 break;
7577
7578 case ARG_DRY_RUN:
7579 arg_dry_run = true;
7580 break;
7581
7582 case 'q':
7583 arg_quiet = true;
7584 break;
7585
7586 case 'f':
7587 arg_force++;
7588 break;
7589
7590 case ARG_NO_RELOAD:
7591 arg_no_reload = true;
7592 break;
7593
7594 case ARG_KILL_WHO:
7595 arg_kill_who = optarg;
7596 break;
7597
7598 case 's':
7599 if (streq(optarg, "help")) {
7600 DUMP_STRING_TABLE(signal, int, _NSIG);
7601 return 0;
7602 }
7603
7604 arg_signal = signal_from_string(optarg);
7605 if (arg_signal < 0) {
7606 log_error("Failed to parse signal string %s.", optarg);
7607 return -EINVAL;
7608 }
7609 break;
7610
7611 case ARG_NO_ASK_PASSWORD:
7612 arg_ask_password = false;
7613 break;
7614
7615 case 'H':
7616 arg_transport = BUS_TRANSPORT_REMOTE;
7617 arg_host = optarg;
7618 break;
7619
7620 case 'M':
7621 arg_transport = BUS_TRANSPORT_MACHINE;
7622 arg_host = optarg;
7623 break;
7624
7625 case ARG_RUNTIME:
7626 arg_runtime = true;
7627 break;
7628
7629 case 'n':
7630 if (safe_atou(optarg, &arg_lines) < 0) {
7631 log_error("Failed to parse lines '%s'", optarg);
7632 return -EINVAL;
7633 }
7634 break;
7635
7636 case 'o':
7637 if (streq(optarg, "help")) {
7638 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
7639 return 0;
7640 }
7641
7642 arg_output = output_mode_from_string(optarg);
7643 if (arg_output < 0) {
7644 log_error("Unknown output '%s'.", optarg);
7645 return -EINVAL;
7646 }
7647 break;
7648
7649 case 'i':
7650 arg_ignore_inhibitors = true;
7651 break;
7652
7653 case ARG_PLAIN:
7654 arg_plain = true;
7655 break;
7656
7657 case ARG_FIRMWARE_SETUP:
7658 arg_firmware_setup = true;
7659 break;
7660
7661 case ARG_STATE: {
7662 if (isempty(optarg)) {
7663 log_error("--state= requires arguments.");
7664 return -EINVAL;
7665 }
7666
7667 for (p = optarg;;) {
7668 _cleanup_free_ char *s = NULL;
7669
7670 r = extract_first_word(&p, &s, ",", 0);
7671 if (r < 0)
7672 return log_error_errno(r, "Failed to parse state: %s", optarg);
7673 if (r == 0)
7674 break;
7675
7676 if (streq(s, "help")) {
7677 help_states();
7678 return 0;
7679 }
7680
7681 if (strv_push(&arg_states, s) < 0)
7682 return log_oom();
7683
7684 s = NULL;
7685 }
7686 break;
7687 }
7688
7689 case 'r':
7690 if (geteuid() != 0) {
7691 log_error("--recursive requires root privileges.");
7692 return -EPERM;
7693 }
7694
7695 arg_recursive = true;
7696 break;
7697
7698 case ARG_PRESET_MODE:
7699 if (streq(optarg, "help")) {
7700 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
7701 return 0;
7702 }
7703
7704 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
7705 if (arg_preset_mode < 0) {
7706 log_error("Failed to parse preset mode: %s.", optarg);
7707 return -EINVAL;
7708 }
7709
7710 break;
7711
7712 case ARG_NOW:
7713 arg_now = true;
7714 break;
7715
7716 case ARG_MESSAGE:
7717 if (strv_extend(&arg_wall, optarg) < 0)
7718 return log_oom();
7719 break;
7720
7721 case '?':
7722 return -EINVAL;
7723
7724 default:
7725 assert_not_reached("Unhandled option");
7726 }
7727
7728 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
7729 log_error("Cannot access user instance remotely.");
7730 return -EINVAL;
7731 }
7732
7733 if (arg_wait && arg_no_block) {
7734 log_error("--wait may not be combined with --no-block.");
7735 return -EINVAL;
7736 }
7737
7738 if (arg_runtime && STRPTR_IN_SET(argv[optind], "disable", "unmask", "preset", "preset-all")) {
7739 log_error("--runtime cannot be used with %s", argv[optind]);
7740 return -EINVAL;
7741 }
7742
7743 return 1;
7744 }
7745
7746 static int halt_parse_argv(int argc, char *argv[]) {
7747 enum {
7748 ARG_HELP = 0x100,
7749 ARG_HALT,
7750 ARG_REBOOT,
7751 ARG_NO_WALL
7752 };
7753
7754 static const struct option options[] = {
7755 { "help", no_argument, NULL, ARG_HELP },
7756 { "halt", no_argument, NULL, ARG_HALT },
7757 { "poweroff", no_argument, NULL, 'p' },
7758 { "reboot", no_argument, NULL, ARG_REBOOT },
7759 { "force", no_argument, NULL, 'f' },
7760 { "wtmp-only", no_argument, NULL, 'w' },
7761 { "no-wtmp", no_argument, NULL, 'd' },
7762 { "no-sync", no_argument, NULL, 'n' },
7763 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7764 {}
7765 };
7766
7767 int c, r, runlevel;
7768
7769 assert(argc >= 0);
7770 assert(argv);
7771
7772 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
7773 if (IN_SET(runlevel, '0', '6'))
7774 arg_force = 2;
7775
7776 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
7777 switch (c) {
7778
7779 case ARG_HELP:
7780 halt_help();
7781 return 0;
7782
7783 case ARG_HALT:
7784 arg_action = ACTION_HALT;
7785 break;
7786
7787 case 'p':
7788 if (arg_action != ACTION_REBOOT)
7789 arg_action = ACTION_POWEROFF;
7790 break;
7791
7792 case ARG_REBOOT:
7793 arg_action = ACTION_REBOOT;
7794 break;
7795
7796 case 'f':
7797 arg_force = 2;
7798 break;
7799
7800 case 'w':
7801 arg_dry_run = true;
7802 break;
7803
7804 case 'd':
7805 arg_no_wtmp = true;
7806 break;
7807
7808 case 'n':
7809 arg_no_sync = true;
7810 break;
7811
7812 case ARG_NO_WALL:
7813 arg_no_wall = true;
7814 break;
7815
7816 case 'i':
7817 case 'h':
7818 /* Compatibility nops */
7819 break;
7820
7821 case '?':
7822 return -EINVAL;
7823
7824 default:
7825 assert_not_reached("Unhandled option");
7826 }
7827
7828 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
7829 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
7830 if (r < 0)
7831 return r;
7832 } else if (optind < argc) {
7833 log_error("Too many arguments.");
7834 return -EINVAL;
7835 }
7836
7837 return 1;
7838 }
7839
7840 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
7841 assert(t);
7842 assert(_u);
7843
7844 if (streq(t, "now"))
7845 *_u = 0;
7846 else if (!strchr(t, ':')) {
7847 uint64_t u;
7848
7849 if (safe_atou64(t, &u) < 0)
7850 return -EINVAL;
7851
7852 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
7853 } else {
7854 char *e = NULL;
7855 long hour, minute;
7856 struct tm tm = {};
7857 time_t s;
7858 usec_t n;
7859
7860 errno = 0;
7861 hour = strtol(t, &e, 10);
7862 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
7863 return -EINVAL;
7864
7865 minute = strtol(e+1, &e, 10);
7866 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
7867 return -EINVAL;
7868
7869 n = now(CLOCK_REALTIME);
7870 s = (time_t) (n / USEC_PER_SEC);
7871
7872 assert_se(localtime_r(&s, &tm));
7873
7874 tm.tm_hour = (int) hour;
7875 tm.tm_min = (int) minute;
7876 tm.tm_sec = 0;
7877
7878 s = mktime(&tm);
7879 assert(s >= 0);
7880
7881 *_u = (usec_t) s * USEC_PER_SEC;
7882
7883 while (*_u <= n)
7884 *_u += USEC_PER_DAY;
7885 }
7886
7887 return 0;
7888 }
7889
7890 static int shutdown_parse_argv(int argc, char *argv[]) {
7891 enum {
7892 ARG_HELP = 0x100,
7893 ARG_NO_WALL
7894 };
7895
7896 static const struct option options[] = {
7897 { "help", no_argument, NULL, ARG_HELP },
7898 { "halt", no_argument, NULL, 'H' },
7899 { "poweroff", no_argument, NULL, 'P' },
7900 { "reboot", no_argument, NULL, 'r' },
7901 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
7902 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7903 {}
7904 };
7905
7906 char **wall = NULL;
7907 int c, r;
7908
7909 assert(argc >= 0);
7910 assert(argv);
7911
7912 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
7913 switch (c) {
7914
7915 case ARG_HELP:
7916 shutdown_help();
7917 return 0;
7918
7919 case 'H':
7920 arg_action = ACTION_HALT;
7921 break;
7922
7923 case 'P':
7924 arg_action = ACTION_POWEROFF;
7925 break;
7926
7927 case 'r':
7928 if (kexec_loaded())
7929 arg_action = ACTION_KEXEC;
7930 else
7931 arg_action = ACTION_REBOOT;
7932 break;
7933
7934 case 'K':
7935 arg_action = ACTION_KEXEC;
7936 break;
7937
7938 case 'h':
7939 if (arg_action != ACTION_HALT)
7940 arg_action = ACTION_POWEROFF;
7941 break;
7942
7943 case 'k':
7944 arg_dry_run = true;
7945 break;
7946
7947 case ARG_NO_WALL:
7948 arg_no_wall = true;
7949 break;
7950
7951 case 'a':
7952 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
7953 case 'f':
7954 case 'F':
7955 /* Compatibility nops */
7956 break;
7957
7958 case 'c':
7959 arg_action = ACTION_CANCEL_SHUTDOWN;
7960 break;
7961
7962 case '?':
7963 return -EINVAL;
7964
7965 default:
7966 assert_not_reached("Unhandled option");
7967 }
7968
7969 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
7970 r = parse_shutdown_time_spec(argv[optind], &arg_when);
7971 if (r < 0) {
7972 log_error("Failed to parse time specification: %s", argv[optind]);
7973 return r;
7974 }
7975 } else
7976 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
7977
7978 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
7979 /* No time argument for shutdown cancel */
7980 wall = argv + optind;
7981 else if (argc > optind + 1)
7982 /* We skip the time argument */
7983 wall = argv + optind + 1;
7984
7985 if (wall) {
7986 arg_wall = strv_copy(wall);
7987 if (!arg_wall)
7988 return log_oom();
7989 }
7990
7991 optind = argc;
7992
7993 return 1;
7994 }
7995
7996 static int telinit_parse_argv(int argc, char *argv[]) {
7997 enum {
7998 ARG_HELP = 0x100,
7999 ARG_NO_WALL
8000 };
8001
8002 static const struct option options[] = {
8003 { "help", no_argument, NULL, ARG_HELP },
8004 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8005 {}
8006 };
8007
8008 static const struct {
8009 char from;
8010 enum action to;
8011 } table[] = {
8012 { '0', ACTION_POWEROFF },
8013 { '6', ACTION_REBOOT },
8014 { '1', ACTION_RESCUE },
8015 { '2', ACTION_RUNLEVEL2 },
8016 { '3', ACTION_RUNLEVEL3 },
8017 { '4', ACTION_RUNLEVEL4 },
8018 { '5', ACTION_RUNLEVEL5 },
8019 { 's', ACTION_RESCUE },
8020 { 'S', ACTION_RESCUE },
8021 { 'q', ACTION_RELOAD },
8022 { 'Q', ACTION_RELOAD },
8023 { 'u', ACTION_REEXEC },
8024 { 'U', ACTION_REEXEC }
8025 };
8026
8027 unsigned i;
8028 int c;
8029
8030 assert(argc >= 0);
8031 assert(argv);
8032
8033 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8034 switch (c) {
8035
8036 case ARG_HELP:
8037 telinit_help();
8038 return 0;
8039
8040 case ARG_NO_WALL:
8041 arg_no_wall = true;
8042 break;
8043
8044 case '?':
8045 return -EINVAL;
8046
8047 default:
8048 assert_not_reached("Unhandled option");
8049 }
8050
8051 if (optind >= argc) {
8052 log_error("%s: required argument missing.", program_invocation_short_name);
8053 return -EINVAL;
8054 }
8055
8056 if (optind + 1 < argc) {
8057 log_error("Too many arguments.");
8058 return -EINVAL;
8059 }
8060
8061 if (strlen(argv[optind]) != 1) {
8062 log_error("Expected single character argument.");
8063 return -EINVAL;
8064 }
8065
8066 for (i = 0; i < ELEMENTSOF(table); i++)
8067 if (table[i].from == argv[optind][0])
8068 break;
8069
8070 if (i >= ELEMENTSOF(table)) {
8071 log_error("Unknown command '%s'.", argv[optind]);
8072 return -EINVAL;
8073 }
8074
8075 arg_action = table[i].to;
8076
8077 optind++;
8078
8079 return 1;
8080 }
8081
8082 static int runlevel_parse_argv(int argc, char *argv[]) {
8083 enum {
8084 ARG_HELP = 0x100,
8085 };
8086
8087 static const struct option options[] = {
8088 { "help", no_argument, NULL, ARG_HELP },
8089 {}
8090 };
8091
8092 int c;
8093
8094 assert(argc >= 0);
8095 assert(argv);
8096
8097 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8098 switch (c) {
8099
8100 case ARG_HELP:
8101 runlevel_help();
8102 return 0;
8103
8104 case '?':
8105 return -EINVAL;
8106
8107 default:
8108 assert_not_reached("Unhandled option");
8109 }
8110
8111 if (optind < argc) {
8112 log_error("Too many arguments.");
8113 return -EINVAL;
8114 }
8115
8116 return 1;
8117 }
8118
8119 static int parse_argv(int argc, char *argv[]) {
8120 assert(argc >= 0);
8121 assert(argv);
8122
8123 if (program_invocation_short_name) {
8124
8125 if (strstr(program_invocation_short_name, "halt")) {
8126 arg_action = ACTION_HALT;
8127 return halt_parse_argv(argc, argv);
8128
8129 } else if (strstr(program_invocation_short_name, "poweroff")) {
8130 arg_action = ACTION_POWEROFF;
8131 return halt_parse_argv(argc, argv);
8132
8133 } else if (strstr(program_invocation_short_name, "reboot")) {
8134 if (kexec_loaded())
8135 arg_action = ACTION_KEXEC;
8136 else
8137 arg_action = ACTION_REBOOT;
8138 return halt_parse_argv(argc, argv);
8139
8140 } else if (strstr(program_invocation_short_name, "shutdown")) {
8141 arg_action = ACTION_POWEROFF;
8142 return shutdown_parse_argv(argc, argv);
8143
8144 } else if (strstr(program_invocation_short_name, "init")) {
8145
8146 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8147 * 1 on SysV.
8148 *
8149 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8150 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8151 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8152 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8153 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8154 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8155 * quick way to match both.
8156 *
8157 * Also see redirect_telinit() in src/core/main.c. */
8158
8159 if (sd_booted() > 0) {
8160 arg_action = _ACTION_INVALID;
8161 return telinit_parse_argv(argc, argv);
8162 } else {
8163 /* Hmm, so some other init system is running, we need to forward this request to
8164 * it. For now we simply guess that it is Upstart. */
8165
8166 execv(TELINIT, argv);
8167
8168 log_error("Couldn't find an alternative telinit implementation to spawn.");
8169 return -EIO;
8170 }
8171
8172 } else if (strstr(program_invocation_short_name, "runlevel")) {
8173 arg_action = ACTION_RUNLEVEL;
8174 return runlevel_parse_argv(argc, argv);
8175 }
8176 }
8177
8178 arg_action = ACTION_SYSTEMCTL;
8179 return systemctl_parse_argv(argc, argv);
8180 }
8181
8182 #if HAVE_SYSV_COMPAT
8183 _pure_ static int action_to_runlevel(void) {
8184 static const char table[_ACTION_MAX] = {
8185 [ACTION_HALT] = '0',
8186 [ACTION_POWEROFF] = '0',
8187 [ACTION_REBOOT] = '6',
8188 [ACTION_RUNLEVEL2] = '2',
8189 [ACTION_RUNLEVEL3] = '3',
8190 [ACTION_RUNLEVEL4] = '4',
8191 [ACTION_RUNLEVEL5] = '5',
8192 [ACTION_RESCUE] = '1'
8193 };
8194
8195 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8196
8197 return table[arg_action];
8198 }
8199 #endif
8200
8201 static int talk_initctl(void) {
8202 #if HAVE_SYSV_COMPAT
8203 struct init_request request = {
8204 .magic = INIT_MAGIC,
8205 .sleeptime = 0,
8206 .cmd = INIT_CMD_RUNLVL
8207 };
8208
8209 _cleanup_close_ int fd = -1;
8210 char rl;
8211 int r;
8212 const char *p;
8213
8214 rl = action_to_runlevel();
8215 if (!rl)
8216 return 0;
8217
8218 request.runlevel = rl;
8219
8220 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8221 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8222 if (fd >= 0 || errno != ENOENT)
8223 break;
8224 }
8225 if (fd < 0) {
8226 if (errno == ENOENT)
8227 return 0;
8228
8229 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8230 }
8231
8232 r = loop_write(fd, &request, sizeof(request), false);
8233 if (r < 0)
8234 return log_error_errno(r, "Failed to write to %s: %m", p);
8235
8236 return 1;
8237 #else
8238 return 0;
8239 #endif
8240 }
8241
8242 static int systemctl_main(int argc, char *argv[]) {
8243 static const Verb verbs[] = {
8244 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8245 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8246 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8247 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8248 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8249 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8250 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8251 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8252 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8253 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8254 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8255 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8256 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8257 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8258 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8259 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8260 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8261 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8262 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8263 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8264 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8265 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8266 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8267 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8268 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8269 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8270 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8271 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8272 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8273 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8274 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8275 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8276 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8277 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8278 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8279 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8280 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8281 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8282 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8283 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8284 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8285 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8286 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8287 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8288 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8289 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8290 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8291 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8292 { "enable", 2, VERB_ANY, 0, enable_unit },
8293 { "disable", 2, VERB_ANY, 0, enable_unit },
8294 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8295 { "reenable", 2, VERB_ANY, 0, enable_unit },
8296 { "preset", 2, VERB_ANY, 0, enable_unit },
8297 { "preset-all", VERB_ANY, 1, 0, preset_all },
8298 { "mask", 2, VERB_ANY, 0, enable_unit },
8299 { "unmask", 2, VERB_ANY, 0, enable_unit },
8300 { "link", 2, VERB_ANY, 0, enable_unit },
8301 { "revert", 2, VERB_ANY, 0, enable_unit },
8302 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8303 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8304 { "set-default", 2, 2, 0, set_default },
8305 { "get-default", VERB_ANY, 1, 0, get_default },
8306 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8307 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8308 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8309 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8310 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8311 {}
8312 };
8313
8314 return dispatch_verb(argc, argv, verbs, NULL);
8315 }
8316
8317 static int reload_with_fallback(void) {
8318 /* First, try systemd via D-Bus. */
8319 if (daemon_reload(0, NULL, NULL) >= 0)
8320 return 0;
8321
8322 /* Nothing else worked, so let's try signals */
8323 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8324
8325 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8326 return log_error_errno(errno, "kill() failed: %m");
8327
8328 return 0;
8329 }
8330
8331 static int start_with_fallback(void) {
8332 /* First, try systemd via D-Bus. */
8333 if (start_unit(0, NULL, NULL) >= 0)
8334 return 0;
8335
8336 /* Nothing else worked, so let's try /dev/initctl */
8337 if (talk_initctl() > 0)
8338 return 0;
8339
8340 log_error("Failed to talk to init daemon.");
8341 return -EIO;
8342 }
8343
8344 static int halt_now(enum action a) {
8345 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8346 * synce'd explicitly in advance. */
8347 if (!arg_no_sync && !arg_dry_run)
8348 (void) sync();
8349
8350 /* Make sure C-A-D is handled by the kernel from this point on... */
8351 if (!arg_dry_run)
8352 (void) reboot(RB_ENABLE_CAD);
8353
8354 switch (a) {
8355
8356 case ACTION_HALT:
8357 if (!arg_quiet)
8358 log_info("Halting.");
8359 if (arg_dry_run)
8360 return 0;
8361 (void) reboot(RB_HALT_SYSTEM);
8362 return -errno;
8363
8364 case ACTION_POWEROFF:
8365 if (!arg_quiet)
8366 log_info("Powering off.");
8367 if (arg_dry_run)
8368 return 0;
8369 (void) reboot(RB_POWER_OFF);
8370 return -errno;
8371
8372 case ACTION_KEXEC:
8373 case ACTION_REBOOT:
8374 return reboot_with_parameter(REBOOT_FALLBACK |
8375 (arg_quiet ? 0 : REBOOT_LOG) |
8376 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8377
8378 default:
8379 assert_not_reached("Unknown action.");
8380 }
8381 }
8382
8383 static int logind_schedule_shutdown(void) {
8384
8385 #if ENABLE_LOGIND
8386 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8387 char date[FORMAT_TIMESTAMP_MAX];
8388 const char *action;
8389 sd_bus *bus;
8390 int r;
8391
8392 r = acquire_bus(BUS_FULL, &bus);
8393 if (r < 0)
8394 return r;
8395
8396 switch (arg_action) {
8397 case ACTION_HALT:
8398 action = "halt";
8399 break;
8400 case ACTION_POWEROFF:
8401 action = "poweroff";
8402 break;
8403 case ACTION_KEXEC:
8404 action = "kexec";
8405 break;
8406 case ACTION_EXIT:
8407 action = "exit";
8408 break;
8409 case ACTION_REBOOT:
8410 default:
8411 action = "reboot";
8412 break;
8413 }
8414
8415 if (arg_dry_run)
8416 action = strjoina("dry-", action);
8417
8418 (void) logind_set_wall_message();
8419
8420 r = sd_bus_call_method(
8421 bus,
8422 "org.freedesktop.login1",
8423 "/org/freedesktop/login1",
8424 "org.freedesktop.login1.Manager",
8425 "ScheduleShutdown",
8426 &error,
8427 NULL,
8428 "st",
8429 action,
8430 arg_when);
8431 if (r < 0)
8432 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8433
8434 if (!arg_quiet)
8435 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8436 return 0;
8437 #else
8438 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8439 return -ENOSYS;
8440 #endif
8441 }
8442
8443 static int halt_main(void) {
8444 int r;
8445
8446 r = logind_check_inhibitors(arg_action);
8447 if (r < 0)
8448 return r;
8449
8450 if (arg_when > 0)
8451 return logind_schedule_shutdown();
8452
8453 if (geteuid() != 0) {
8454 if (arg_dry_run || arg_force > 0) {
8455 (void) must_be_root();
8456 return -EPERM;
8457 }
8458
8459 /* Try logind if we are a normal user and no special
8460 * mode applies. Maybe polkit allows us to shutdown
8461 * the machine. */
8462 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
8463 r = logind_reboot(arg_action);
8464 if (r >= 0)
8465 return r;
8466 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
8467 /* requested operation is not
8468 * supported on the local system or
8469 * already in progress */
8470 return r;
8471 /* on all other errors, try low-level operation */
8472 }
8473 }
8474
8475 /* In order to minimize the difference between operation with and
8476 * without logind, we explicitly enable non-blocking mode for this,
8477 * as logind's shutdown operations are always non-blocking. */
8478 arg_no_block = true;
8479
8480 if (!arg_dry_run && !arg_force)
8481 return start_with_fallback();
8482
8483 assert(geteuid() == 0);
8484
8485 if (!arg_no_wtmp) {
8486 if (sd_booted() > 0)
8487 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
8488 else {
8489 r = utmp_put_shutdown();
8490 if (r < 0)
8491 log_warning_errno(r, "Failed to write utmp record: %m");
8492 }
8493 }
8494
8495 if (arg_dry_run)
8496 return 0;
8497
8498 r = halt_now(arg_action);
8499 return log_error_errno(r, "Failed to reboot: %m");
8500 }
8501
8502 static int runlevel_main(void) {
8503 int r, runlevel, previous;
8504
8505 r = utmp_get_runlevel(&runlevel, &previous);
8506 if (r < 0) {
8507 puts("unknown");
8508 return r;
8509 }
8510
8511 printf("%c %c\n",
8512 previous <= 0 ? 'N' : previous,
8513 runlevel <= 0 ? 'N' : runlevel);
8514
8515 return 0;
8516 }
8517
8518 static int logind_cancel_shutdown(void) {
8519 #if ENABLE_LOGIND
8520 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8521 sd_bus *bus;
8522 int r;
8523
8524 r = acquire_bus(BUS_FULL, &bus);
8525 if (r < 0)
8526 return r;
8527
8528 (void) logind_set_wall_message();
8529
8530 r = sd_bus_call_method(
8531 bus,
8532 "org.freedesktop.login1",
8533 "/org/freedesktop/login1",
8534 "org.freedesktop.login1.Manager",
8535 "CancelScheduledShutdown",
8536 &error,
8537 NULL, NULL);
8538 if (r < 0)
8539 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
8540
8541 return 0;
8542 #else
8543 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
8544 return -ENOSYS;
8545 #endif
8546 }
8547
8548 int main(int argc, char*argv[]) {
8549 int r;
8550
8551 argv_cmdline = argv[0];
8552
8553 setlocale(LC_ALL, "");
8554 log_parse_environment();
8555 log_open();
8556 sigbus_install();
8557
8558 /* Explicitly not on_tty() to avoid setting cached value.
8559 * This becomes relevant for piping output which might be
8560 * ellipsized. */
8561 original_stdout_is_tty = isatty(STDOUT_FILENO);
8562
8563 r = parse_argv(argc, argv);
8564 if (r <= 0)
8565 goto finish;
8566
8567 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
8568
8569 if (!arg_quiet)
8570 log_info("Running in chroot, ignoring request.");
8571 r = 0;
8572 goto finish;
8573 }
8574
8575 /* systemctl_main() will print an error message for the bus
8576 * connection, but only if it needs to */
8577
8578 switch (arg_action) {
8579
8580 case ACTION_SYSTEMCTL:
8581 r = systemctl_main(argc, argv);
8582 break;
8583
8584 /* Legacy command aliases set arg_action. They provide some fallbacks,
8585 * e.g. to tell sysvinit to reboot after you have installed systemd
8586 * binaries. */
8587
8588 case ACTION_HALT:
8589 case ACTION_POWEROFF:
8590 case ACTION_REBOOT:
8591 case ACTION_KEXEC:
8592 r = halt_main();
8593 break;
8594
8595 case ACTION_RUNLEVEL2:
8596 case ACTION_RUNLEVEL3:
8597 case ACTION_RUNLEVEL4:
8598 case ACTION_RUNLEVEL5:
8599 case ACTION_RESCUE:
8600 r = start_with_fallback();
8601 break;
8602
8603 case ACTION_RELOAD:
8604 case ACTION_REEXEC:
8605 r = reload_with_fallback();
8606 break;
8607
8608 case ACTION_CANCEL_SHUTDOWN:
8609 r = logind_cancel_shutdown();
8610 break;
8611
8612 case ACTION_RUNLEVEL:
8613 r = runlevel_main();
8614 break;
8615
8616 case ACTION_EXIT:
8617 case ACTION_SUSPEND:
8618 case ACTION_HIBERNATE:
8619 case ACTION_HYBRID_SLEEP:
8620 case ACTION_SUSPEND_THEN_HIBERNATE:
8621 case ACTION_EMERGENCY:
8622 case ACTION_DEFAULT:
8623 /* systemctl verbs with no equivalent in the legacy commands.
8624 * These cannot appear in arg_action. Fall through. */
8625
8626 case _ACTION_INVALID:
8627 default:
8628 assert_not_reached("Unknown action");
8629 }
8630
8631 finish:
8632 release_busses();
8633
8634 pager_close();
8635 ask_password_agent_close();
8636 polkit_agent_close();
8637
8638 strv_free(arg_types);
8639 strv_free(arg_states);
8640 strv_free(arg_properties);
8641
8642 strv_free(arg_wall);
8643 free(arg_root);
8644 free(arg_esp_path);
8645
8646 /* Note that we return r here, not EXIT_SUCCESS, so that we can implement the LSB-like return codes */
8647 return r < 0 ? EXIT_FAILURE : r;
8648 }
Unnamed repository; edit this file 'description' to name the repository.