]> git.ipfire.org Git - thirdparty/systemd.git/blob - src/systemctl/systemctl.c
projects / thirdparty / systemd.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge pull request #10391 from poettering/systemctl-exit-code-fixes
[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-event.h"
22 #include "sd-login.h"
23
24 #include "alloc-util.h"
25 #include "bootspec.h"
26 #include "bus-common-errors.h"
27 #include "bus-error.h"
28 #include "bus-message.h"
29 #include "bus-unit-util.h"
30 #include "bus-util.h"
31 #include "cgroup-show.h"
32 #include "cgroup-util.h"
33 #include "copy.h"
34 #include "dropin.h"
35 #include "efivars.h"
36 #include "env-util.h"
37 #include "escape.h"
38 #include "exit-status.h"
39 #include "fd-util.h"
40 #include "fileio.h"
41 #include "format-util.h"
42 #include "fs-util.h"
43 #include "glob-util.h"
44 #include "hexdecoct.h"
45 #include "hostname-util.h"
46 #include "initreq.h"
47 #include "install.h"
48 #include "io-util.h"
49 #include "list.h"
50 #include "locale-util.h"
51 #include "log.h"
52 #include "logs-show.h"
53 #include "macro.h"
54 #include "mkdir.h"
55 #include "pager.h"
56 #include "parse-util.h"
57 #include "path-lookup.h"
58 #include "path-util.h"
59 #include "process-util.h"
60 #include "reboot-util.h"
61 #include "rlimit-util.h"
62 #include "set.h"
63 #include "sigbus.h"
64 #include "signal-util.h"
65 #include "socket-util.h"
66 #include "spawn-ask-password-agent.h"
67 #include "spawn-polkit-agent.h"
68 #include "special.h"
69 #include "stat-util.h"
70 #include "string-table.h"
71 #include "strv.h"
72 #include "terminal-util.h"
73 #include "unit-def.h"
74 #include "unit-name.h"
75 #include "user-util.h"
76 #include "util.h"
77 #include "utmp-wtmp.h"
78 #include "verbs.h"
79 #include "virt.h"
80
81 /* The init script exit status codes
82 0 program is running or service is OK
83 1 program is dead and /var/run pid file exists
84 2 program is dead and /var/lock lock file exists
85 3 program is not running
86 4 program or service status is unknown
87 5-99 reserved for future LSB use
88 100-149 reserved for distribution use
89 150-199 reserved for application use
90 200-254 reserved
91 */
92 enum {
93 EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0,
94 EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1,
95 EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2,
96 EXIT_PROGRAM_NOT_RUNNING = 3,
97 EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4,
98 };
99
100 static char **arg_types = NULL;
101 static char **arg_states = NULL;
102 static char **arg_properties = NULL;
103 static bool arg_all = false;
104 static enum dependency {
105 DEPENDENCY_FORWARD,
106 DEPENDENCY_REVERSE,
107 DEPENDENCY_AFTER,
108 DEPENDENCY_BEFORE,
109 _DEPENDENCY_MAX
110 } arg_dependency = DEPENDENCY_FORWARD;
111 static const char *arg_job_mode = "replace";
112 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
113 static bool arg_wait = false;
114 static bool arg_no_block = false;
115 static bool arg_no_legend = false;
116 static bool arg_no_pager = false;
117 static bool arg_no_wtmp = false;
118 static bool arg_no_sync = false;
119 static bool arg_no_wall = false;
120 static bool arg_no_reload = false;
121 static bool arg_value = false;
122 static bool arg_show_types = false;
123 static bool arg_ignore_inhibitors = false;
124 static bool arg_dry_run = false;
125 static bool arg_quiet = false;
126 static bool arg_full = false;
127 static bool arg_recursive = false;
128 static int arg_force = 0;
129 static bool arg_ask_password = false;
130 static bool arg_runtime = false;
131 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
132 static char **arg_wall = NULL;
133 static const char *arg_kill_who = NULL;
134 static int arg_signal = SIGTERM;
135 static char *arg_root = NULL;
136 static usec_t arg_when = 0;
137 static char *arg_esp_path = NULL;
138 static char *argv_cmdline = NULL;
139 static enum action {
140 ACTION_SYSTEMCTL,
141 ACTION_HALT,
142 ACTION_POWEROFF,
143 ACTION_REBOOT,
144 ACTION_KEXEC,
145 ACTION_EXIT,
146 ACTION_SUSPEND,
147 ACTION_HIBERNATE,
148 ACTION_HYBRID_SLEEP,
149 ACTION_SUSPEND_THEN_HIBERNATE,
150 ACTION_RUNLEVEL2,
151 ACTION_RUNLEVEL3,
152 ACTION_RUNLEVEL4,
153 ACTION_RUNLEVEL5,
154 ACTION_RESCUE,
155 ACTION_EMERGENCY,
156 ACTION_DEFAULT,
157 ACTION_RELOAD,
158 ACTION_REEXEC,
159 ACTION_RUNLEVEL,
160 ACTION_CANCEL_SHUTDOWN,
161 _ACTION_MAX,
162 _ACTION_INVALID = -1
163 } arg_action = ACTION_SYSTEMCTL;
164 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
165 static const char *arg_host = NULL;
166 static unsigned arg_lines = 10;
167 static OutputMode arg_output = OUTPUT_SHORT;
168 static bool arg_plain = false;
169 static bool arg_firmware_setup = false;
170 static bool arg_now = false;
171 static bool arg_jobs_before = false;
172 static bool arg_jobs_after = false;
173
174 static int daemon_reload(int argc, char *argv[], void* userdata);
175 static int trivial_method(int argc, char *argv[], void *userdata);
176 static int halt_now(enum action a);
177 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
178
179 static bool original_stdout_is_tty;
180
181 typedef enum BusFocus {
182 BUS_FULL, /* The full bus indicated via --system or --user */
183 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
184 _BUS_FOCUS_MAX
185 } BusFocus;
186
187 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
188
189 static UnitFileFlags args_to_flags(void) {
190 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
191 (arg_force ? UNIT_FILE_FORCE : 0);
192 }
193
194 static int acquire_bus(BusFocus focus, sd_bus **ret) {
195 int r;
196
197 assert(focus < _BUS_FOCUS_MAX);
198 assert(ret);
199
200 /* We only go directly to the manager, if we are using a local transport */
201 if (arg_transport != BUS_TRANSPORT_LOCAL)
202 focus = BUS_FULL;
203
204 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
205 focus = BUS_FULL;
206
207 if (!busses[focus]) {
208 bool user;
209
210 user = arg_scope != UNIT_FILE_SYSTEM;
211
212 if (focus == BUS_MANAGER)
213 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
214 else
215 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
216 if (r < 0)
217 return log_error_errno(r, "Failed to connect to bus: %m");
218
219 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
220 }
221
222 *ret = busses[focus];
223 return 0;
224 }
225
226 static void release_busses(void) {
227 BusFocus w;
228
229 for (w = 0; w < _BUS_FOCUS_MAX; w++)
230 busses[w] = sd_bus_flush_close_unref(busses[w]);
231 }
232
233 static void ask_password_agent_open_if_enabled(void) {
234 /* Open the password agent as a child process if necessary */
235
236 if (arg_dry_run)
237 return;
238
239 if (!arg_ask_password)
240 return;
241
242 if (arg_scope != UNIT_FILE_SYSTEM)
243 return;
244
245 if (arg_transport != BUS_TRANSPORT_LOCAL)
246 return;
247
248 ask_password_agent_open();
249 }
250
251 static void polkit_agent_open_maybe(void) {
252 /* Open the polkit agent as a child process if necessary */
253
254 if (arg_scope != UNIT_FILE_SYSTEM)
255 return;
256
257 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
258 }
259
260 static OutputFlags get_output_flags(void) {
261 return
262 arg_all * OUTPUT_SHOW_ALL |
263 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
264 colors_enabled() * OUTPUT_COLOR |
265 !arg_quiet * OUTPUT_WARN_CUTOFF;
266 }
267
268 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
269 assert(error);
270
271 if (!sd_bus_error_is_set(error))
272 return r;
273
274 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
275 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
276 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
277 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
278 return EXIT_NOPERMISSION;
279
280 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
281 return EXIT_NOTINSTALLED;
282
283 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
284 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
285 return EXIT_NOTIMPLEMENTED;
286
287 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
288 return EXIT_NOTCONFIGURED;
289
290 if (r != 0)
291 return r;
292
293 return EXIT_FAILURE;
294 }
295
296 static bool install_client_side(void) {
297 /* Decides when to execute enable/disable/... operations
298 * client-side rather than server-side. */
299
300 if (running_in_chroot_or_offline())
301 return true;
302
303 if (sd_booted() <= 0)
304 return true;
305
306 if (!isempty(arg_root))
307 return true;
308
309 if (arg_scope == UNIT_FILE_GLOBAL)
310 return true;
311
312 /* Unsupported environment variable, mostly for debugging purposes */
313 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
314 return true;
315
316 return false;
317 }
318
319 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
320 const char *d1, *d2;
321 int r;
322
323 /* First, order by machine */
324 if (!a->machine && b->machine)
325 return -1;
326 if (a->machine && !b->machine)
327 return 1;
328 if (a->machine && b->machine) {
329 r = strcasecmp(a->machine, b->machine);
330 if (r != 0)
331 return r;
332 }
333
334 /* Second, order by unit type */
335 d1 = strrchr(a->id, '.');
336 d2 = strrchr(b->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(a->id, b->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 typesafe_qsort(unit_infos, r, 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 r;
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 r = strcasecmp(a->machine, b->machine);
864 if (r != 0)
865 return r;
866 }
867
868 r = strcmp(a->path, b->path);
869 if (r == 0)
870 r = strcmp(a->type, b->type);
871
872 return r;
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 typesafe_qsort(socket_infos, cs, socket_info_compare);
1009
1010 output_sockets_list(socket_infos, cs);
1011
1012 cleanup:
1013 assert(cs == 0 || socket_infos);
1014 for (s = socket_infos; s < socket_infos + cs; s++) {
1015 free(s->type);
1016 free(s->path);
1017 if (s->own_triggered)
1018 strv_free(s->triggered);
1019 }
1020
1021 return r;
1022 }
1023
1024 static int get_next_elapse(
1025 sd_bus *bus,
1026 const char *path,
1027 dual_timestamp *next) {
1028
1029 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1030 dual_timestamp t;
1031 int r;
1032
1033 assert(bus);
1034 assert(path);
1035 assert(next);
1036
1037 r = sd_bus_get_property_trivial(
1038 bus,
1039 "org.freedesktop.systemd1",
1040 path,
1041 "org.freedesktop.systemd1.Timer",
1042 "NextElapseUSecMonotonic",
1043 &error,
1044 't',
1045 &t.monotonic);
1046 if (r < 0)
1047 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1048
1049 r = sd_bus_get_property_trivial(
1050 bus,
1051 "org.freedesktop.systemd1",
1052 path,
1053 "org.freedesktop.systemd1.Timer",
1054 "NextElapseUSecRealtime",
1055 &error,
1056 't',
1057 &t.realtime);
1058 if (r < 0)
1059 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1060
1061 *next = t;
1062 return 0;
1063 }
1064
1065 static int get_last_trigger(
1066 sd_bus *bus,
1067 const char *path,
1068 usec_t *last) {
1069
1070 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1071 int r;
1072
1073 assert(bus);
1074 assert(path);
1075 assert(last);
1076
1077 r = sd_bus_get_property_trivial(
1078 bus,
1079 "org.freedesktop.systemd1",
1080 path,
1081 "org.freedesktop.systemd1.Timer",
1082 "LastTriggerUSec",
1083 &error,
1084 't',
1085 last);
1086 if (r < 0)
1087 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1088
1089 return 0;
1090 }
1091
1092 struct timer_info {
1093 const char* machine;
1094 const char* id;
1095 usec_t next_elapse;
1096 usec_t last_trigger;
1097 char** triggered;
1098 };
1099
1100 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1101 int r;
1102
1103 assert(a);
1104 assert(b);
1105
1106 if (!a->machine && b->machine)
1107 return -1;
1108 if (a->machine && !b->machine)
1109 return 1;
1110 if (a->machine && b->machine) {
1111 r = strcasecmp(a->machine, b->machine);
1112 if (r != 0)
1113 return r;
1114 }
1115
1116 r = CMP(a->next_elapse, b->next_elapse);
1117 if (r != 0)
1118 return r;
1119
1120 return strcmp(a->id, b->id);
1121 }
1122
1123 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1124 struct timer_info *t;
1125 unsigned
1126 nextlen = STRLEN("NEXT"),
1127 leftlen = STRLEN("LEFT"),
1128 lastlen = STRLEN("LAST"),
1129 passedlen = STRLEN("PASSED"),
1130 unitlen = STRLEN("UNIT"),
1131 activatelen = STRLEN("ACTIVATES");
1132
1133 const char *on, *off;
1134
1135 assert(timer_infos || n == 0);
1136
1137 for (t = timer_infos; t < timer_infos + n; t++) {
1138 unsigned ul = 0;
1139 char **a;
1140
1141 if (t->next_elapse > 0) {
1142 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1143
1144 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1145 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1146
1147 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1148 leftlen = MAX(leftlen, strlen(trel));
1149 }
1150
1151 if (t->last_trigger > 0) {
1152 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1153
1154 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1155 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1156
1157 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1158 passedlen = MAX(passedlen, strlen(trel));
1159 }
1160
1161 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1162
1163 STRV_FOREACH(a, t->triggered)
1164 ul += strlen(*a) + 2*(a != t->triggered);
1165
1166 activatelen = MAX(activatelen, ul);
1167 }
1168
1169 if (n > 0) {
1170 if (!arg_no_legend)
1171 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1172 nextlen, "NEXT",
1173 leftlen, "LEFT",
1174 lastlen, "LAST",
1175 passedlen, "PASSED",
1176 unitlen, "UNIT",
1177 "ACTIVATES");
1178
1179 for (t = timer_infos; t < timer_infos + n; t++) {
1180 _cleanup_free_ char *j = NULL;
1181 const char *unit;
1182 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1183 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1184 char **a;
1185
1186 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1187 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1188
1189 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1190 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1191
1192 if (t->machine) {
1193 j = strjoin(t->machine, ":", t->id);
1194 if (!j)
1195 return log_oom();
1196 unit = j;
1197 } else
1198 unit = t->id;
1199
1200 printf("%-*s %-*s %-*s %-*s %-*s",
1201 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1202
1203 STRV_FOREACH(a, t->triggered)
1204 printf("%s %s",
1205 a == t->triggered ? "" : ",", *a);
1206 printf("\n");
1207 }
1208
1209 on = ansi_highlight();
1210 off = ansi_normal();
1211 if (!arg_no_legend)
1212 printf("\n");
1213 } else {
1214 on = ansi_highlight_red();
1215 off = ansi_normal();
1216 }
1217
1218 if (!arg_no_legend) {
1219 printf("%s%u timers listed.%s\n", on, n, off);
1220 if (!arg_all)
1221 printf("Pass --all to see loaded but inactive timers, too.\n");
1222 }
1223
1224 return 0;
1225 }
1226
1227 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1228 usec_t next_elapse;
1229
1230 assert(nw);
1231 assert(next);
1232
1233 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1234 usec_t converted;
1235
1236 if (next->monotonic > nw->monotonic)
1237 converted = nw->realtime + (next->monotonic - nw->monotonic);
1238 else
1239 converted = nw->realtime - (nw->monotonic - next->monotonic);
1240
1241 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1242 next_elapse = MIN(converted, next->realtime);
1243 else
1244 next_elapse = converted;
1245
1246 } else
1247 next_elapse = next->realtime;
1248
1249 return next_elapse;
1250 }
1251
1252 static int list_timers(int argc, char *argv[], void *userdata) {
1253 _cleanup_(message_set_freep) Set *replies = NULL;
1254 _cleanup_strv_free_ char **machines = NULL;
1255 _cleanup_free_ struct timer_info *timer_infos = NULL;
1256 _cleanup_free_ UnitInfo *unit_infos = NULL;
1257 struct timer_info *t;
1258 const UnitInfo *u;
1259 size_t size = 0;
1260 int n, c = 0;
1261 dual_timestamp nw;
1262 sd_bus *bus;
1263 int r = 0;
1264
1265 r = acquire_bus(BUS_MANAGER, &bus);
1266 if (r < 0)
1267 return r;
1268
1269 (void) pager_open(arg_no_pager, false);
1270
1271 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1272 if (n < 0)
1273 return n;
1274
1275 dual_timestamp_get(&nw);
1276
1277 for (u = unit_infos; u < unit_infos + n; u++) {
1278 _cleanup_strv_free_ char **triggered = NULL;
1279 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1280 usec_t m, last = 0;
1281
1282 if (!endswith(u->id, ".timer"))
1283 continue;
1284
1285 r = get_triggered_units(bus, u->unit_path, &triggered);
1286 if (r < 0)
1287 goto cleanup;
1288
1289 r = get_next_elapse(bus, u->unit_path, &next);
1290 if (r < 0)
1291 goto cleanup;
1292
1293 get_last_trigger(bus, u->unit_path, &last);
1294
1295 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1296 r = log_oom();
1297 goto cleanup;
1298 }
1299
1300 m = calc_next_elapse(&nw, &next);
1301
1302 timer_infos[c++] = (struct timer_info) {
1303 .machine = u->machine,
1304 .id = u->id,
1305 .next_elapse = m,
1306 .last_trigger = last,
1307 .triggered = TAKE_PTR(triggered),
1308 };
1309 }
1310
1311 typesafe_qsort(timer_infos, c, timer_info_compare);
1312
1313 output_timers_list(timer_infos, c);
1314
1315 cleanup:
1316 for (t = timer_infos; t < timer_infos + c; t++)
1317 strv_free(t->triggered);
1318
1319 return r;
1320 }
1321
1322 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1323 const char *d1, *d2;
1324
1325 d1 = strrchr(a->path, '.');
1326 d2 = strrchr(b->path, '.');
1327
1328 if (d1 && d2) {
1329 int r;
1330
1331 r = strcasecmp(d1, d2);
1332 if (r != 0)
1333 return r;
1334 }
1335
1336 return strcasecmp(basename(a->path), basename(b->path));
1337 }
1338
1339 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1340 assert(u);
1341
1342 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1343 return false;
1344
1345 if (!strv_isempty(arg_types)) {
1346 const char *dot;
1347
1348 dot = strrchr(u->path, '.');
1349 if (!dot)
1350 return false;
1351
1352 if (!strv_find(arg_types, dot+1))
1353 return false;
1354 }
1355
1356 if (!strv_isempty(states) &&
1357 !strv_find(states, unit_file_state_to_string(u->state)))
1358 return false;
1359
1360 return true;
1361 }
1362
1363 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1364 unsigned max_id_len, id_cols, state_cols;
1365 const UnitFileList *u;
1366
1367 max_id_len = STRLEN("UNIT FILE");
1368 state_cols = STRLEN("STATE");
1369
1370 for (u = units; u < units + c; u++) {
1371 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1372 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1373 }
1374
1375 if (!arg_full) {
1376 unsigned basic_cols;
1377
1378 id_cols = MIN(max_id_len, 25u);
1379 basic_cols = 1 + id_cols + state_cols;
1380 if (basic_cols < (unsigned) columns())
1381 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1382 } else
1383 id_cols = max_id_len;
1384
1385 if (!arg_no_legend && c > 0)
1386 printf("%s%-*s %-*s%s\n",
1387 ansi_underline(),
1388 id_cols, "UNIT FILE",
1389 state_cols, "STATE",
1390 ansi_normal());
1391
1392 for (u = units; u < units + c; u++) {
1393 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1394 _cleanup_free_ char *e = NULL;
1395 bool underline;
1396
1397 underline = u + 1 < units + c &&
1398 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1399
1400 if (underline)
1401 on_underline = ansi_underline();
1402
1403 if (IN_SET(u->state,
1404 UNIT_FILE_MASKED,
1405 UNIT_FILE_MASKED_RUNTIME,
1406 UNIT_FILE_DISABLED,
1407 UNIT_FILE_BAD))
1408 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1409 else if (u->state == UNIT_FILE_ENABLED)
1410 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1411
1412 if (on_underline || on_color)
1413 off = ansi_normal();
1414
1415 id = basename(u->path);
1416
1417 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1418
1419 printf("%s%-*s %s%-*s%s\n",
1420 strempty(on_underline),
1421 id_cols, e ? e : id,
1422 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1423 }
1424
1425 if (!arg_no_legend)
1426 printf("\n%u unit files listed.\n", c);
1427 }
1428
1429 static int list_unit_files(int argc, char *argv[], void *userdata) {
1430 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1431 _cleanup_free_ UnitFileList *units = NULL;
1432 UnitFileList *unit;
1433 size_t size = 0;
1434 unsigned c = 0;
1435 const char *state;
1436 char *path;
1437 int r;
1438 bool fallback = false;
1439
1440 if (install_client_side()) {
1441 Hashmap *h;
1442 UnitFileList *u;
1443 Iterator i;
1444 unsigned n_units;
1445
1446 h = hashmap_new(&string_hash_ops);
1447 if (!h)
1448 return log_oom();
1449
1450 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1451 if (r < 0) {
1452 unit_file_list_free(h);
1453 return log_error_errno(r, "Failed to get unit file list: %m");
1454 }
1455
1456 n_units = hashmap_size(h);
1457
1458 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1459 if (!units) {
1460 unit_file_list_free(h);
1461 return log_oom();
1462 }
1463
1464 HASHMAP_FOREACH(u, h, i) {
1465 if (!output_show_unit_file(u, NULL, NULL))
1466 continue;
1467
1468 units[c++] = *u;
1469 free(u);
1470 }
1471
1472 assert(c <= n_units);
1473 hashmap_free(h);
1474
1475 r = 0;
1476 } else {
1477 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1478 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1479 sd_bus *bus;
1480
1481 r = acquire_bus(BUS_MANAGER, &bus);
1482 if (r < 0)
1483 return r;
1484
1485 r = sd_bus_message_new_method_call(
1486 bus,
1487 &m,
1488 "org.freedesktop.systemd1",
1489 "/org/freedesktop/systemd1",
1490 "org.freedesktop.systemd1.Manager",
1491 "ListUnitFilesByPatterns");
1492 if (r < 0)
1493 return bus_log_create_error(r);
1494
1495 r = sd_bus_message_append_strv(m, arg_states);
1496 if (r < 0)
1497 return bus_log_create_error(r);
1498
1499 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1500 if (r < 0)
1501 return bus_log_create_error(r);
1502
1503 r = sd_bus_call(bus, m, 0, &error, &reply);
1504 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1505 /* Fallback to legacy ListUnitFiles method */
1506 fallback = true;
1507 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1508 m = sd_bus_message_unref(m);
1509 sd_bus_error_free(&error);
1510
1511 r = sd_bus_message_new_method_call(
1512 bus,
1513 &m,
1514 "org.freedesktop.systemd1",
1515 "/org/freedesktop/systemd1",
1516 "org.freedesktop.systemd1.Manager",
1517 "ListUnitFiles");
1518 if (r < 0)
1519 return bus_log_create_error(r);
1520
1521 r = sd_bus_call(bus, m, 0, &error, &reply);
1522 }
1523 if (r < 0)
1524 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1525
1526 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1527 if (r < 0)
1528 return bus_log_parse_error(r);
1529
1530 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1531
1532 if (!GREEDY_REALLOC(units, size, c + 1))
1533 return log_oom();
1534
1535 units[c] = (struct UnitFileList) {
1536 path,
1537 unit_file_state_from_string(state)
1538 };
1539
1540 if (output_show_unit_file(&units[c],
1541 fallback ? arg_states : NULL,
1542 fallback ? strv_skip(argv, 1) : NULL))
1543 c++;
1544
1545 }
1546 if (r < 0)
1547 return bus_log_parse_error(r);
1548
1549 r = sd_bus_message_exit_container(reply);
1550 if (r < 0)
1551 return bus_log_parse_error(r);
1552 }
1553
1554 (void) pager_open(arg_no_pager, false);
1555
1556 typesafe_qsort(units, c, compare_unit_file_list);
1557 output_unit_file_list(units, c);
1558
1559 if (install_client_side())
1560 for (unit = units; unit < units + c; unit++)
1561 free(unit->path);
1562
1563 return 0;
1564 }
1565
1566 static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
1567 _cleanup_free_ char *n = NULL;
1568 size_t max_len = MAX(columns(),20u);
1569 size_t len = 0;
1570 int i;
1571
1572 if (!arg_plain) {
1573
1574 for (i = level - 1; i >= 0; i--) {
1575 len += 2;
1576 if (len > max_len - 3 && !arg_full) {
1577 printf("%s...\n",max_len % 2 ? "" : " ");
1578 return 0;
1579 }
1580 printf("%s", special_glyph(branches & (1 << i) ? TREE_VERTICAL : TREE_SPACE));
1581 }
1582 len += 2;
1583
1584 if (len > max_len - 3 && !arg_full) {
1585 printf("%s...\n",max_len % 2 ? "" : " ");
1586 return 0;
1587 }
1588
1589 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
1590 }
1591
1592 if (arg_full) {
1593 printf("%s\n", name);
1594 return 0;
1595 }
1596
1597 n = ellipsize(name, max_len-len, 100);
1598 if (!n)
1599 return log_oom();
1600
1601 printf("%s\n", n);
1602 return 0;
1603 }
1604
1605 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1606 struct DependencyStatusInfo {
1607 char **dep[5];
1608 } info = {};
1609
1610 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1611 [DEPENDENCY_FORWARD] = {
1612 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1613 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1614 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1615 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1616 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1617 {}
1618 },
1619 [DEPENDENCY_REVERSE] = {
1620 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1621 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1622 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1623 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1624 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1625 {}
1626 },
1627 [DEPENDENCY_AFTER] = {
1628 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1629 {}
1630 },
1631 [DEPENDENCY_BEFORE] = {
1632 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1633 {}
1634 },
1635 };
1636
1637 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1638 _cleanup_strv_free_ char **ret = NULL;
1639 _cleanup_free_ char *path = NULL;
1640 int i, r;
1641
1642 assert(bus);
1643 assert(name);
1644 assert(deps);
1645
1646 path = unit_dbus_path_from_name(name);
1647 if (!path)
1648 return log_oom();
1649
1650 r = bus_map_all_properties(bus,
1651 "org.freedesktop.systemd1",
1652 path,
1653 map[arg_dependency],
1654 BUS_MAP_STRDUP,
1655 &error,
1656 NULL,
1657 &info);
1658 if (r < 0)
1659 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1660
1661 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1662 *deps = info.dep[0];
1663 return 0;
1664 }
1665
1666 for (i = 0; i < 5; i++) {
1667 r = strv_extend_strv(&ret, info.dep[i], true);
1668 if (r < 0)
1669 return log_oom();
1670 info.dep[i] = strv_free(info.dep[i]);
1671 }
1672
1673 *deps = TAKE_PTR(ret);
1674
1675 return 0;
1676 }
1677
1678 static int list_dependencies_compare(char * const *a, char * const *b) {
1679 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1680 return 1;
1681 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1682 return -1;
1683
1684 return strcasecmp(*a, *b);
1685 }
1686
1687 static int list_dependencies_one(
1688 sd_bus *bus,
1689 const char *name,
1690 int level,
1691 char ***units,
1692 unsigned int branches) {
1693
1694 _cleanup_strv_free_ char **deps = NULL;
1695 char **c;
1696 int r = 0;
1697
1698 assert(bus);
1699 assert(name);
1700 assert(units);
1701
1702 r = strv_extend(units, name);
1703 if (r < 0)
1704 return log_oom();
1705
1706 r = list_dependencies_get_dependencies(bus, name, &deps);
1707 if (r < 0)
1708 return r;
1709
1710 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1711
1712 STRV_FOREACH(c, deps) {
1713 if (strv_contains(*units, *c)) {
1714 if (!arg_plain) {
1715 printf(" ");
1716 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1717 if (r < 0)
1718 return r;
1719 }
1720 continue;
1721 }
1722
1723 if (arg_plain)
1724 printf(" ");
1725 else {
1726 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1727 const char *on;
1728
1729 (void) get_state_one_unit(bus, *c, &active_state);
1730
1731 switch (active_state) {
1732 case UNIT_ACTIVE:
1733 case UNIT_RELOADING:
1734 case UNIT_ACTIVATING:
1735 on = ansi_highlight_green();
1736 break;
1737
1738 case UNIT_INACTIVE:
1739 case UNIT_DEACTIVATING:
1740 on = ansi_normal();
1741 break;
1742
1743 default:
1744 on = ansi_highlight_red();
1745 break;
1746 }
1747
1748 printf("%s%s%s ", on, special_glyph(BLACK_CIRCLE), ansi_normal());
1749 }
1750
1751 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1752 if (r < 0)
1753 return r;
1754
1755 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1756 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1757 if (r < 0)
1758 return r;
1759 }
1760 }
1761
1762 if (!arg_plain)
1763 strv_remove(*units, name);
1764
1765 return 0;
1766 }
1767
1768 static int list_dependencies(int argc, char *argv[], void *userdata) {
1769 _cleanup_strv_free_ char **units = NULL;
1770 _cleanup_free_ char *unit = NULL;
1771 const char *u;
1772 sd_bus *bus;
1773 int r;
1774
1775 if (argv[1]) {
1776 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1777 if (r < 0)
1778 return log_error_errno(r, "Failed to mangle unit name: %m");
1779
1780 u = unit;
1781 } else
1782 u = SPECIAL_DEFAULT_TARGET;
1783
1784 r = acquire_bus(BUS_MANAGER, &bus);
1785 if (r < 0)
1786 return r;
1787
1788 (void) pager_open(arg_no_pager, false);
1789
1790 puts(u);
1791
1792 return list_dependencies_one(bus, u, 0, &units, 0);
1793 }
1794
1795 struct machine_info {
1796 bool is_host;
1797 char *name;
1798 char *state;
1799 char *control_group;
1800 uint32_t n_failed_units;
1801 uint32_t n_jobs;
1802 usec_t timestamp;
1803 };
1804
1805 static const struct bus_properties_map machine_info_property_map[] = {
1806 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1807 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1808 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1809 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1810 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1811 {}
1812 };
1813
1814 static void machine_info_clear(struct machine_info *info) {
1815 assert(info);
1816
1817 free(info->name);
1818 free(info->state);
1819 free(info->control_group);
1820 zero(*info);
1821 }
1822
1823 static void free_machines_list(struct machine_info *machine_infos, int n) {
1824 int i;
1825
1826 if (!machine_infos)
1827 return;
1828
1829 for (i = 0; i < n; i++)
1830 machine_info_clear(&machine_infos[i]);
1831
1832 free(machine_infos);
1833 }
1834
1835 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1836 int r;
1837
1838 r = CMP(b->is_host, a->is_host);
1839 if (r != 0)
1840 return r;
1841
1842 return strcasecmp(a->name, b->name);
1843 }
1844
1845 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1846 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1847 int r;
1848
1849 assert(mi);
1850
1851 if (!bus) {
1852 r = sd_bus_open_system_machine(&container, mi->name);
1853 if (r < 0)
1854 return r;
1855
1856 bus = container;
1857 }
1858
1859 r = bus_map_all_properties(
1860 bus,
1861 "org.freedesktop.systemd1",
1862 "/org/freedesktop/systemd1",
1863 machine_info_property_map,
1864 BUS_MAP_STRDUP,
1865 NULL,
1866 NULL,
1867 mi);
1868 if (r < 0)
1869 return r;
1870
1871 return 0;
1872 }
1873
1874 static bool output_show_machine(const char *name, char **patterns) {
1875 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1876 }
1877
1878 static int get_machine_list(
1879 sd_bus *bus,
1880 struct machine_info **_machine_infos,
1881 char **patterns) {
1882
1883 struct machine_info *machine_infos = NULL;
1884 _cleanup_strv_free_ char **m = NULL;
1885 _cleanup_free_ char *hn = NULL;
1886 size_t sz = 0;
1887 char **i;
1888 int c = 0, r;
1889
1890 hn = gethostname_malloc();
1891 if (!hn)
1892 return log_oom();
1893
1894 if (output_show_machine(hn, patterns)) {
1895 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1896 return log_oom();
1897
1898 machine_infos[c].is_host = true;
1899 machine_infos[c].name = TAKE_PTR(hn);
1900
1901 (void) get_machine_properties(bus, &machine_infos[c]);
1902 c++;
1903 }
1904
1905 r = sd_get_machine_names(&m);
1906 if (r < 0)
1907 return log_error_errno(r, "Failed to get machine list: %m");
1908
1909 STRV_FOREACH(i, m) {
1910 _cleanup_free_ char *class = NULL;
1911
1912 if (!output_show_machine(*i, patterns))
1913 continue;
1914
1915 sd_machine_get_class(*i, &class);
1916 if (!streq_ptr(class, "container"))
1917 continue;
1918
1919 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1920 free_machines_list(machine_infos, c);
1921 return log_oom();
1922 }
1923
1924 machine_infos[c].is_host = false;
1925 machine_infos[c].name = strdup(*i);
1926 if (!machine_infos[c].name) {
1927 free_machines_list(machine_infos, c);
1928 return log_oom();
1929 }
1930
1931 (void) get_machine_properties(NULL, &machine_infos[c]);
1932 c++;
1933 }
1934
1935 *_machine_infos = machine_infos;
1936 return c;
1937 }
1938
1939 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1940 struct machine_info *m;
1941 unsigned
1942 circle_len = 0,
1943 namelen = STRLEN("NAME"),
1944 statelen = STRLEN("STATE"),
1945 failedlen = STRLEN("FAILED"),
1946 jobslen = STRLEN("JOBS");
1947
1948 assert(machine_infos || n == 0);
1949
1950 for (m = machine_infos; m < machine_infos + n; m++) {
1951 namelen = MAX(namelen,
1952 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1953 statelen = MAX(statelen, strlen_ptr(m->state));
1954 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1955 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1956
1957 if (!arg_plain && !streq_ptr(m->state, "running"))
1958 circle_len = 2;
1959 }
1960
1961 if (!arg_no_legend) {
1962 if (circle_len > 0)
1963 fputs(" ", stdout);
1964
1965 printf("%-*s %-*s %-*s %-*s\n",
1966 namelen, "NAME",
1967 statelen, "STATE",
1968 failedlen, "FAILED",
1969 jobslen, "JOBS");
1970 }
1971
1972 for (m = machine_infos; m < machine_infos + n; m++) {
1973 const char *on_state = "", *off_state = "";
1974 const char *on_failed = "", *off_failed = "";
1975 bool circle = false;
1976
1977 if (streq_ptr(m->state, "degraded")) {
1978 on_state = ansi_highlight_red();
1979 off_state = ansi_normal();
1980 circle = true;
1981 } else if (!streq_ptr(m->state, "running")) {
1982 on_state = ansi_highlight_yellow();
1983 off_state = ansi_normal();
1984 circle = true;
1985 }
1986
1987 if (m->n_failed_units > 0) {
1988 on_failed = ansi_highlight_red();
1989 off_failed = ansi_normal();
1990 } else
1991 on_failed = off_failed = "";
1992
1993 if (circle_len > 0)
1994 printf("%s%s%s ", on_state, circle ? special_glyph(BLACK_CIRCLE) : " ", off_state);
1995
1996 if (m->is_host)
1997 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
1998 (int) (namelen - (STRLEN(" (host)"))),
1999 strna(m->name),
2000 on_state, statelen, strna(m->state), off_state,
2001 on_failed, failedlen, m->n_failed_units, off_failed,
2002 jobslen, m->n_jobs);
2003 else
2004 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2005 namelen, strna(m->name),
2006 on_state, statelen, strna(m->state), off_state,
2007 on_failed, failedlen, m->n_failed_units, off_failed,
2008 jobslen, m->n_jobs);
2009 }
2010
2011 if (!arg_no_legend)
2012 printf("\n%u machines listed.\n", n);
2013 }
2014
2015 static int list_machines(int argc, char *argv[], void *userdata) {
2016 struct machine_info *machine_infos = NULL;
2017 sd_bus *bus;
2018 int r;
2019
2020 r = acquire_bus(BUS_MANAGER, &bus);
2021 if (r < 0)
2022 return r;
2023
2024 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2025 if (r < 0)
2026 return r;
2027
2028 (void) pager_open(arg_no_pager, false);
2029
2030 typesafe_qsort(machine_infos, r, compare_machine_info);
2031 output_machines_list(machine_infos, r);
2032 free_machines_list(machine_infos, r);
2033
2034 return 0;
2035 }
2036
2037 static int get_default(int argc, char *argv[], void *userdata) {
2038 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2039 _cleanup_free_ char *_path = NULL;
2040 const char *path;
2041 int r;
2042
2043 if (install_client_side()) {
2044 r = unit_file_get_default(arg_scope, arg_root, &_path);
2045 if (r < 0)
2046 return log_error_errno(r, "Failed to get default target: %m");
2047 path = _path;
2048
2049 r = 0;
2050 } else {
2051 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2052 sd_bus *bus;
2053
2054 r = acquire_bus(BUS_MANAGER, &bus);
2055 if (r < 0)
2056 return r;
2057
2058 r = sd_bus_call_method(
2059 bus,
2060 "org.freedesktop.systemd1",
2061 "/org/freedesktop/systemd1",
2062 "org.freedesktop.systemd1.Manager",
2063 "GetDefaultTarget",
2064 &error,
2065 &reply,
2066 NULL);
2067 if (r < 0)
2068 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2069
2070 r = sd_bus_message_read(reply, "s", &path);
2071 if (r < 0)
2072 return bus_log_parse_error(r);
2073 }
2074
2075 if (path)
2076 printf("%s\n", path);
2077
2078 return 0;
2079 }
2080
2081 static int set_default(int argc, char *argv[], void *userdata) {
2082 _cleanup_free_ char *unit = NULL;
2083 UnitFileChange *changes = NULL;
2084 size_t n_changes = 0;
2085 int r;
2086
2087 assert(argc >= 2);
2088 assert(argv);
2089
2090 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2091 if (r < 0)
2092 return log_error_errno(r, "Failed to mangle unit name: %m");
2093
2094 if (install_client_side()) {
2095 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2096 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2097
2098 if (r > 0)
2099 r = 0;
2100 } else {
2101 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2102 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2103 sd_bus *bus;
2104
2105 polkit_agent_open_maybe();
2106
2107 r = acquire_bus(BUS_MANAGER, &bus);
2108 if (r < 0)
2109 return r;
2110
2111 r = sd_bus_call_method(
2112 bus,
2113 "org.freedesktop.systemd1",
2114 "/org/freedesktop/systemd1",
2115 "org.freedesktop.systemd1.Manager",
2116 "SetDefaultTarget",
2117 &error,
2118 &reply,
2119 "sb", unit, 1);
2120 if (r < 0)
2121 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2122
2123 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2124 if (r < 0)
2125 goto finish;
2126
2127 /* Try to reload if enabled */
2128 if (!arg_no_reload)
2129 r = daemon_reload(argc, argv, userdata);
2130 else
2131 r = 0;
2132 }
2133
2134 finish:
2135 unit_file_changes_free(changes, n_changes);
2136
2137 return r;
2138 }
2139
2140 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2141 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2142 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2143 const char *name, *type;
2144 uint32_t other_id;
2145 int r;
2146
2147 assert(bus);
2148
2149 r = sd_bus_call_method(
2150 bus,
2151 "org.freedesktop.systemd1",
2152 "/org/freedesktop/systemd1",
2153 "org.freedesktop.systemd1.Manager",
2154 method,
2155 &error,
2156 &reply,
2157 "u", id);
2158 if (r < 0)
2159 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2160
2161 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2162 if (r < 0)
2163 return bus_log_parse_error(r);
2164
2165 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2166 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2167 if (r < 0)
2168 return bus_log_parse_error(r);
2169
2170 r = sd_bus_message_exit_container(reply);
2171 if (r < 0)
2172 return bus_log_parse_error(r);
2173
2174 return 0;
2175 }
2176
2177 struct job_info {
2178 uint32_t id;
2179 const char *name, *type, *state;
2180 };
2181
2182 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2183 unsigned id_len, unit_len, type_len, state_len;
2184 const struct job_info *j;
2185 const char *on, *off;
2186 bool shorten = false;
2187
2188 assert(n == 0 || jobs);
2189
2190 if (n == 0) {
2191 if (!arg_no_legend) {
2192 on = ansi_highlight_green();
2193 off = ansi_normal();
2194
2195 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2196 }
2197 return;
2198 }
2199
2200 (void) pager_open(arg_no_pager, false);
2201
2202 id_len = STRLEN("JOB");
2203 unit_len = STRLEN("UNIT");
2204 type_len = STRLEN("TYPE");
2205 state_len = STRLEN("STATE");
2206
2207 for (j = jobs; j < jobs + n; j++) {
2208 uint32_t id = j->id;
2209 assert(j->name && j->type && j->state);
2210
2211 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2212 unit_len = MAX(unit_len, strlen(j->name));
2213 type_len = MAX(type_len, strlen(j->type));
2214 state_len = MAX(state_len, strlen(j->state));
2215 }
2216
2217 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2218 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2219 shorten = true;
2220 }
2221
2222 if (!arg_no_legend)
2223 printf("%*s %-*s %-*s %-*s\n",
2224 id_len, "JOB",
2225 unit_len, "UNIT",
2226 type_len, "TYPE",
2227 state_len, "STATE");
2228
2229 for (j = jobs; j < jobs + n; j++) {
2230 _cleanup_free_ char *e = NULL;
2231
2232 if (streq(j->state, "running")) {
2233 on = ansi_highlight();
2234 off = ansi_normal();
2235 } else
2236 on = off = "";
2237
2238 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2239 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2240 id_len, j->id,
2241 on, unit_len, e ? e : j->name, off,
2242 type_len, j->type,
2243 on, state_len, j->state, off);
2244
2245 if (arg_jobs_after)
2246 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2247 if (arg_jobs_before)
2248 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2249 }
2250
2251 if (!arg_no_legend) {
2252 on = ansi_highlight();
2253 off = ansi_normal();
2254
2255 printf("\n%s%u jobs listed%s.\n", on, n, off);
2256 }
2257 }
2258
2259 static bool output_show_job(struct job_info *job, char **patterns) {
2260 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2261 }
2262
2263 static int list_jobs(int argc, char *argv[], void *userdata) {
2264 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2265 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2266 _cleanup_free_ struct job_info *jobs = NULL;
2267 const char *name, *type, *state;
2268 bool skipped = false;
2269 size_t size = 0;
2270 unsigned c = 0;
2271 sd_bus *bus;
2272 uint32_t id;
2273 int r;
2274
2275 r = acquire_bus(BUS_MANAGER, &bus);
2276 if (r < 0)
2277 return r;
2278
2279 r = sd_bus_call_method(
2280 bus,
2281 "org.freedesktop.systemd1",
2282 "/org/freedesktop/systemd1",
2283 "org.freedesktop.systemd1.Manager",
2284 "ListJobs",
2285 &error,
2286 &reply,
2287 NULL);
2288 if (r < 0)
2289 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2290
2291 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2292 if (r < 0)
2293 return bus_log_parse_error(r);
2294
2295 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2296 struct job_info job = { id, name, type, state };
2297
2298 if (!output_show_job(&job, strv_skip(argv, 1))) {
2299 skipped = true;
2300 continue;
2301 }
2302
2303 if (!GREEDY_REALLOC(jobs, size, c + 1))
2304 return log_oom();
2305
2306 jobs[c++] = job;
2307 }
2308 if (r < 0)
2309 return bus_log_parse_error(r);
2310
2311 r = sd_bus_message_exit_container(reply);
2312 if (r < 0)
2313 return bus_log_parse_error(r);
2314
2315 (void) pager_open(arg_no_pager, false);
2316
2317 output_jobs_list(bus, jobs, c, skipped);
2318 return 0;
2319 }
2320
2321 static int cancel_job(int argc, char *argv[], void *userdata) {
2322 sd_bus *bus;
2323 char **name;
2324 int r = 0;
2325
2326 if (argc <= 1)
2327 return trivial_method(argc, argv, userdata);
2328
2329 r = acquire_bus(BUS_MANAGER, &bus);
2330 if (r < 0)
2331 return r;
2332
2333 polkit_agent_open_maybe();
2334
2335 STRV_FOREACH(name, strv_skip(argv, 1)) {
2336 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2337 uint32_t id;
2338 int q;
2339
2340 q = safe_atou32(*name, &id);
2341 if (q < 0)
2342 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2343
2344 q = sd_bus_call_method(
2345 bus,
2346 "org.freedesktop.systemd1",
2347 "/org/freedesktop/systemd1",
2348 "org.freedesktop.systemd1.Manager",
2349 "CancelJob",
2350 &error,
2351 NULL,
2352 "u", id);
2353 if (q < 0) {
2354 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2355 if (r == 0)
2356 r = q;
2357 }
2358 }
2359
2360 return r;
2361 }
2362
2363 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2364 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2365 const char *path;
2366 int b, r;
2367
2368 /* We ignore all errors here, since this is used to show a
2369 * warning only */
2370
2371 /* We don't use unit_dbus_path_from_name() directly since we
2372 * don't want to load the unit if it isn't loaded. */
2373
2374 r = sd_bus_call_method(
2375 bus,
2376 "org.freedesktop.systemd1",
2377 "/org/freedesktop/systemd1",
2378 "org.freedesktop.systemd1.Manager",
2379 "GetUnit",
2380 NULL,
2381 &reply,
2382 "s", unit);
2383 if (r < 0)
2384 return r;
2385
2386 r = sd_bus_message_read(reply, "o", &path);
2387 if (r < 0)
2388 return r;
2389
2390 r = sd_bus_get_property_trivial(
2391 bus,
2392 "org.freedesktop.systemd1",
2393 path,
2394 "org.freedesktop.systemd1.Unit",
2395 "NeedDaemonReload",
2396 NULL,
2397 'b', &b);
2398 if (r < 0)
2399 return r;
2400
2401 return b;
2402 }
2403
2404 static void warn_unit_file_changed(const char *name) {
2405 assert(name);
2406
2407 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.",
2408 ansi_highlight_red(),
2409 ansi_normal(),
2410 name,
2411 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2412 }
2413
2414 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) {
2415 char **p;
2416
2417 assert(lp);
2418 assert(unit_name);
2419
2420 STRV_FOREACH(p, lp->search_path) {
2421 _cleanup_free_ char *path = NULL, *lpath = NULL;
2422 int r;
2423
2424 path = path_join(NULL, *p, unit_name);
2425 if (!path)
2426 return log_oom();
2427
2428 r = chase_symlinks(path, arg_root, 0, &lpath);
2429 if (r == -ENOENT)
2430 continue;
2431 if (r == -ENOMEM)
2432 return log_oom();
2433 if (r < 0)
2434 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2435
2436 if (unit_path)
2437 *unit_path = TAKE_PTR(lpath);
2438
2439 return 1;
2440 }
2441
2442 return 0;
2443 }
2444
2445 static int unit_find_template_path(
2446 const char *unit_name,
2447 LookupPaths *lp,
2448 char **fragment_path,
2449 char **template) {
2450
2451 _cleanup_free_ char *_template = NULL;
2452 int r;
2453
2454 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2455
2456 r = unit_file_find_path(lp, unit_name, fragment_path);
2457 if (r != 0)
2458 return r; /* error or found a real unit */
2459
2460 r = unit_name_template(unit_name, &_template);
2461 if (r == -EINVAL)
2462 return 0; /* not a template, does not exist */
2463 if (r < 0)
2464 return log_error_errno(r, "Failed to determine template name: %m");
2465
2466 r = unit_file_find_path(lp, _template, fragment_path);
2467 if (r < 0)
2468 return r;
2469
2470 if (template)
2471 *template = TAKE_PTR(_template);
2472
2473 return r;
2474 }
2475
2476 static int unit_find_paths(
2477 sd_bus *bus,
2478 const char *unit_name,
2479 LookupPaths *lp,
2480 char **fragment_path,
2481 char ***dropin_paths) {
2482
2483 _cleanup_free_ char *path = NULL;
2484 _cleanup_strv_free_ char **dropins = NULL;
2485 int r;
2486
2487 /**
2488 * Finds where the unit is defined on disk. Returns 0 if the unit
2489 * is not found. Returns 1 if it is found, and sets
2490 * - the path to the unit in *path, if it exists on disk,
2491 * - and a strv of existing drop-ins in *dropins,
2492 * if the arg is not NULL and any dropins were found.
2493 */
2494
2495 assert(unit_name);
2496 assert(fragment_path);
2497 assert(lp);
2498
2499 if (!install_client_side() && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2500 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2501 _cleanup_free_ char *unit = NULL;
2502
2503 unit = unit_dbus_path_from_name(unit_name);
2504 if (!unit)
2505 return log_oom();
2506
2507 r = sd_bus_get_property_string(
2508 bus,
2509 "org.freedesktop.systemd1",
2510 unit,
2511 "org.freedesktop.systemd1.Unit",
2512 "FragmentPath",
2513 &error,
2514 &path);
2515 if (r < 0)
2516 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2517
2518 if (dropin_paths) {
2519 r = sd_bus_get_property_strv(
2520 bus,
2521 "org.freedesktop.systemd1",
2522 unit,
2523 "org.freedesktop.systemd1.Unit",
2524 "DropInPaths",
2525 &error,
2526 &dropins);
2527 if (r < 0)
2528 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2529 }
2530 } else {
2531 _cleanup_set_free_ Set *names = NULL;
2532 _cleanup_free_ char *template = NULL;
2533
2534 names = set_new(NULL);
2535 if (!names)
2536 return log_oom();
2537
2538 r = unit_find_template_path(unit_name, lp, &path, &template);
2539 if (r < 0)
2540 return r;
2541
2542 if (r > 0) {
2543 if (null_or_empty_path(path))
2544 /* The template is masked. Let's cut the process short. */
2545 return -ERFKILL;
2546
2547 /* We found the unit file. If we followed symlinks, this name might be
2548 * different then the unit_name with started with. Look for dropins matching
2549 * that "final" name. */
2550 r = set_put(names, basename(path));
2551 } else if (!template)
2552 /* No unit file, let's look for dropins matching the original name.
2553 * systemd has fairly complicated rules (based on unit type and provenience),
2554 * which units are allowed not to have the main unit file. We err on the
2555 * side of including too many files, and always try to load dropins. */
2556 r = set_put(names, unit_name);
2557 else
2558 /* The cases where we allow a unit to exist without the main file are
2559 * never valid for templates. Don't try to load dropins in this case. */
2560 goto not_found;
2561
2562 if (r < 0)
2563 return log_error_errno(r, "Failed to add unit name: %m");
2564
2565 if (dropin_paths) {
2566 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path,
2567 NULL, names, &dropins);
2568 if (r < 0)
2569 return r;
2570 }
2571 }
2572
2573 r = 0;
2574
2575 if (!isempty(path)) {
2576 *fragment_path = TAKE_PTR(path);
2577 r = 1;
2578 }
2579
2580 if (dropin_paths && !strv_isempty(dropins)) {
2581 *dropin_paths = TAKE_PTR(dropins);
2582 r = 1;
2583 }
2584 not_found:
2585 if (r == 0 && !arg_force)
2586 log_error("No files found for %s.", unit_name);
2587
2588 return r;
2589 }
2590
2591 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2592 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2593 _cleanup_free_ char *buf = NULL, *path = NULL;
2594 UnitActiveState state;
2595 int r;
2596
2597 assert(name);
2598 assert(active_state);
2599
2600 path = unit_dbus_path_from_name(name);
2601 if (!path)
2602 return log_oom();
2603
2604 r = sd_bus_get_property_string(
2605 bus,
2606 "org.freedesktop.systemd1",
2607 path,
2608 "org.freedesktop.systemd1.Unit",
2609 "ActiveState",
2610 &error,
2611 &buf);
2612 if (r < 0)
2613 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2614
2615 state = unit_active_state_from_string(buf);
2616 if (state == _UNIT_ACTIVE_STATE_INVALID) {
2617 log_error("Invalid unit state '%s' for: %s", buf, name);
2618 return -EINVAL;
2619 }
2620
2621 *active_state = state;
2622 return 0;
2623 }
2624
2625 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2626 _cleanup_free_ char *load_state = NULL;
2627 int r;
2628
2629 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2630 _cleanup_free_ char *path = NULL;
2631
2632 /* A template cannot be loaded, but it can be still masked, so
2633 * we need to use a different method. */
2634
2635 r = unit_file_find_path(lp, name, &path);
2636 if (r < 0)
2637 return r;
2638 if (r == 0)
2639 return false;
2640 return null_or_empty_path(path);
2641 }
2642
2643 r = unit_load_state(bus, name, &load_state);
2644 if (r < 0)
2645 return r;
2646
2647 return streq(load_state, "masked");
2648 }
2649
2650 static int check_triggering_units(sd_bus *bus, const char *name) {
2651 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2652 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2653 _cleanup_strv_free_ char **triggered_by = NULL;
2654 bool print_warning_label = true;
2655 UnitActiveState active_state;
2656 char **i;
2657 int r;
2658
2659 r = unit_name_mangle(name, 0, &n);
2660 if (r < 0)
2661 return log_error_errno(r, "Failed to mangle unit name: %m");
2662
2663 r = unit_load_state(bus, name, &load_state);
2664 if (r < 0)
2665 return r;
2666
2667 if (streq(load_state, "masked"))
2668 return 0;
2669
2670 path = unit_dbus_path_from_name(n);
2671 if (!path)
2672 return log_oom();
2673
2674 r = sd_bus_get_property_strv(
2675 bus,
2676 "org.freedesktop.systemd1",
2677 path,
2678 "org.freedesktop.systemd1.Unit",
2679 "TriggeredBy",
2680 &error,
2681 &triggered_by);
2682 if (r < 0)
2683 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2684
2685 STRV_FOREACH(i, triggered_by) {
2686 r = get_state_one_unit(bus, *i, &active_state);
2687 if (r < 0)
2688 return r;
2689
2690 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2691 continue;
2692
2693 if (print_warning_label) {
2694 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2695 print_warning_label = false;
2696 }
2697
2698 log_warning(" %s", *i);
2699 }
2700
2701 return 0;
2702 }
2703
2704 static const struct {
2705 const char *verb;
2706 const char *method;
2707 } unit_actions[] = {
2708 { "start", "StartUnit" },
2709 { "stop", "StopUnit" },
2710 { "condstop", "StopUnit" },
2711 { "reload", "ReloadUnit" },
2712 { "restart", "RestartUnit" },
2713 { "try-restart", "TryRestartUnit" },
2714 { "condrestart", "TryRestartUnit" },
2715 { "reload-or-restart", "ReloadOrRestartUnit" },
2716 { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
2717 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2718 { "condreload", "ReloadOrTryRestartUnit" },
2719 { "force-reload", "ReloadOrTryRestartUnit" }
2720 };
2721
2722 static const char *verb_to_method(const char *verb) {
2723 uint i;
2724
2725 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2726 if (streq_ptr(unit_actions[i].verb, verb))
2727 return unit_actions[i].method;
2728
2729 return "StartUnit";
2730 }
2731
2732 static const char *method_to_verb(const char *method) {
2733 uint i;
2734
2735 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2736 if (streq_ptr(unit_actions[i].method, method))
2737 return unit_actions[i].verb;
2738
2739 return "n/a";
2740 }
2741
2742 typedef struct {
2743 sd_bus_slot *match;
2744 sd_event *event;
2745 Set *unit_paths;
2746 bool any_failed;
2747 } WaitContext;
2748
2749 static void wait_context_free(WaitContext *c) {
2750 c->match = sd_bus_slot_unref(c->match);
2751 c->event = sd_event_unref(c->event);
2752 c->unit_paths = set_free_free(c->unit_paths);
2753 }
2754
2755 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2756 WaitContext *c = userdata;
2757 const char *path;
2758 int r;
2759
2760 path = sd_bus_message_get_path(m);
2761 if (!set_contains(c->unit_paths, path))
2762 return 0;
2763
2764 /* Check if ActiveState changed to inactive/failed */
2765 /* (s interface, a{sv} changed_properties, as invalidated_properties) */
2766 r = sd_bus_message_skip(m, "s");
2767 if (r < 0)
2768 return bus_log_parse_error(r);
2769
2770 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2771 if (r < 0)
2772 return bus_log_parse_error(r);
2773
2774 while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
2775 const char *s;
2776
2777 r = sd_bus_message_read(m, "s", &s);
2778 if (r < 0)
2779 return bus_log_parse_error(r);
2780
2781 if (streq(s, "ActiveState")) {
2782 bool is_failed;
2783
2784 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, "s");
2785 if (r < 0)
2786 return bus_log_parse_error(r);
2787
2788 r = sd_bus_message_read(m, "s", &s);
2789 if (r < 0)
2790 return bus_log_parse_error(r);
2791
2792 is_failed = streq(s, "failed");
2793 if (streq(s, "inactive") || is_failed) {
2794 log_debug("%s became %s, dropping from --wait tracking", path, s);
2795 free(set_remove(c->unit_paths, path));
2796 c->any_failed = c->any_failed || is_failed;
2797 } else
2798 log_debug("ActiveState on %s changed to %s", path, s);
2799
2800 break; /* no need to dissect the rest of the message */
2801 } else {
2802 /* other property */
2803 r = sd_bus_message_skip(m, "v");
2804 if (r < 0)
2805 return bus_log_parse_error(r);
2806 }
2807 r = sd_bus_message_exit_container(m);
2808 if (r < 0)
2809 return bus_log_parse_error(r);
2810 }
2811 if (r < 0)
2812 return bus_log_parse_error(r);
2813
2814 if (set_isempty(c->unit_paths))
2815 sd_event_exit(c->event, EXIT_SUCCESS);
2816
2817 return 0;
2818 }
2819
2820 static int start_unit_one(
2821 sd_bus *bus,
2822 const char *method,
2823 const char *name,
2824 const char *mode,
2825 sd_bus_error *error,
2826 BusWaitForJobs *w,
2827 WaitContext *wait_context) {
2828
2829 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2830 const char *path;
2831 int r;
2832
2833 assert(method);
2834 assert(name);
2835 assert(mode);
2836 assert(error);
2837
2838 if (wait_context) {
2839 _cleanup_free_ char *unit_path = NULL;
2840
2841 log_debug("Watching for property changes of %s", name);
2842 r = sd_bus_call_method(
2843 bus,
2844 "org.freedesktop.systemd1",
2845 "/org/freedesktop/systemd1",
2846 "org.freedesktop.systemd1.Manager",
2847 "RefUnit",
2848 error,
2849 NULL,
2850 "s", name);
2851 if (r < 0)
2852 return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r));
2853
2854 unit_path = unit_dbus_path_from_name(name);
2855 if (!unit_path)
2856 return log_oom();
2857
2858 r = set_put_strdup(wait_context->unit_paths, unit_path);
2859 if (r < 0)
2860 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2861
2862 r = sd_bus_match_signal_async(bus,
2863 &wait_context->match,
2864 NULL,
2865 unit_path,
2866 "org.freedesktop.DBus.Properties",
2867 "PropertiesChanged",
2868 on_properties_changed, NULL, wait_context);
2869 if (r < 0)
2870 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2871 }
2872
2873 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2874 arg_dry_run ? "Would execute" : "Executing",
2875 method, name, mode);
2876 if (arg_dry_run)
2877 return 0;
2878
2879 r = sd_bus_call_method(
2880 bus,
2881 "org.freedesktop.systemd1",
2882 "/org/freedesktop/systemd1",
2883 "org.freedesktop.systemd1.Manager",
2884 method,
2885 error,
2886 &reply,
2887 "ss", name, mode);
2888 if (r < 0) {
2889 const char *verb;
2890
2891 /* There's always a fallback possible for legacy actions. */
2892 if (arg_action != ACTION_SYSTEMCTL)
2893 return r;
2894
2895 verb = method_to_verb(method);
2896
2897 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2898
2899 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2900 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2901 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2902 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2903 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2904 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2905 name[0] == '-' ? " --" : "",
2906 name);
2907
2908 return r;
2909 }
2910
2911 r = sd_bus_message_read(reply, "o", &path);
2912 if (r < 0)
2913 return bus_log_parse_error(r);
2914
2915 if (need_daemon_reload(bus, name) > 0)
2916 warn_unit_file_changed(name);
2917
2918 if (w) {
2919 log_debug("Adding %s to the set", path);
2920 r = bus_wait_for_jobs_add(w, path);
2921 if (r < 0)
2922 return log_oom();
2923 }
2924
2925 return 0;
2926 }
2927
2928 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2929 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2930 char **name;
2931 int r, i;
2932
2933 assert(bus);
2934 assert(ret);
2935
2936 STRV_FOREACH(name, names) {
2937 char *t;
2938 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2939
2940 if (suffix)
2941 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2942 else
2943 r = unit_name_mangle(*name, options, &t);
2944 if (r < 0)
2945 return log_error_errno(r, "Failed to mangle name: %m");
2946
2947 if (string_is_glob(t))
2948 r = strv_consume(&globs, t);
2949 else
2950 r = strv_consume(&mangled, t);
2951 if (r < 0)
2952 return log_oom();
2953 }
2954
2955 /* Query the manager only if any of the names are a glob, since
2956 * this is fairly expensive */
2957 if (!strv_isempty(globs)) {
2958 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2959 _cleanup_free_ UnitInfo *unit_infos = NULL;
2960 size_t allocated, n;
2961
2962 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2963 if (r < 0)
2964 return r;
2965
2966 n = strv_length(mangled);
2967 allocated = n + 1;
2968
2969 for (i = 0; i < r; i++) {
2970 if (!GREEDY_REALLOC(mangled, allocated, n+2))
2971 return log_oom();
2972
2973 mangled[n] = strdup(unit_infos[i].id);
2974 if (!mangled[n])
2975 return log_oom();
2976
2977 mangled[++n] = NULL;
2978 }
2979 }
2980
2981 *ret = TAKE_PTR(mangled);
2982
2983 return 0;
2984 }
2985
2986 static const struct {
2987 const char *target;
2988 const char *verb;
2989 const char *mode;
2990 } action_table[_ACTION_MAX] = {
2991 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2992 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2993 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2994 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2995 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2996 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2997 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2998 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
2999 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3000 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3001 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3002 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3003 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3004 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3005 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3006 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3007 };
3008
3009 static enum action verb_to_action(const char *verb) {
3010 enum action i;
3011
3012 for (i = 0; i < _ACTION_MAX; i++)
3013 if (streq_ptr(action_table[i].verb, verb))
3014 return i;
3015
3016 return _ACTION_INVALID;
3017 }
3018
3019 static int start_unit(int argc, char *argv[], void *userdata) {
3020 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3021 _cleanup_(wait_context_free) WaitContext wait_context = {};
3022 const char *method, *mode, *one_name, *suffix = NULL;
3023 _cleanup_strv_free_ char **names = NULL;
3024 int r, ret = EXIT_SUCCESS;
3025 sd_bus *bus;
3026 char **name;
3027
3028 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3029 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3030 return -EINVAL;
3031 }
3032
3033 /* we cannot do sender tracking on the private bus, so we need the full
3034 * one for RefUnit to implement --wait */
3035 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3036 if (r < 0)
3037 return r;
3038
3039 ask_password_agent_open_if_enabled();
3040 polkit_agent_open_maybe();
3041
3042 if (arg_action == ACTION_SYSTEMCTL) {
3043 enum action action;
3044
3045 action = verb_to_action(argv[0]);
3046
3047 if (action != _ACTION_INVALID) {
3048 method = "StartUnit";
3049 mode = action_table[action].mode;
3050 one_name = action_table[action].target;
3051 } else {
3052 if (streq(argv[0], "isolate")) {
3053 method = "StartUnit";
3054 mode = "isolate";
3055
3056 suffix = ".target";
3057 } else {
3058 method = verb_to_method(argv[0]);
3059 mode = arg_job_mode;
3060 }
3061 one_name = NULL;
3062 }
3063 } else {
3064 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3065 assert(action_table[arg_action].target);
3066 assert(action_table[arg_action].mode);
3067
3068 method = "StartUnit";
3069 mode = action_table[arg_action].mode;
3070 one_name = action_table[arg_action].target;
3071 }
3072
3073 if (one_name) {
3074 names = strv_new(one_name, NULL);
3075 if (!names)
3076 return log_oom();
3077 } else {
3078 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3079 if (r < 0)
3080 return log_error_errno(r, "Failed to expand names: %m");
3081 }
3082
3083 if (!arg_no_block) {
3084 r = bus_wait_for_jobs_new(bus, &w);
3085 if (r < 0)
3086 return log_error_errno(r, "Could not watch jobs: %m");
3087 }
3088
3089 if (arg_wait) {
3090 wait_context.unit_paths = set_new(&string_hash_ops);
3091 if (!wait_context.unit_paths)
3092 return log_oom();
3093
3094 r = sd_bus_call_method_async(
3095 bus,
3096 NULL,
3097 "org.freedesktop.systemd1",
3098 "/org/freedesktop/systemd1",
3099 "org.freedesktop.systemd1.Manager",
3100 "Subscribe",
3101 NULL, NULL,
3102 NULL);
3103 if (r < 0)
3104 return log_error_errno(r, "Failed to enable subscription: %m");
3105 r = sd_event_default(&wait_context.event);
3106 if (r < 0)
3107 return log_error_errno(r, "Failed to allocate event loop: %m");
3108 r = sd_bus_attach_event(bus, wait_context.event, 0);
3109 if (r < 0)
3110 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3111 }
3112
3113 STRV_FOREACH(name, names) {
3114 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3115
3116 r = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3117 if (ret == EXIT_SUCCESS && r < 0)
3118 ret = translate_bus_error_to_exit_status(r, &error);
3119 }
3120
3121 if (!arg_no_block) {
3122 const char* extra_args[4] = {};
3123 int arg_count = 0;
3124
3125 if (arg_scope != UNIT_FILE_SYSTEM)
3126 extra_args[arg_count++] = "--user";
3127
3128 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3129 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3130 extra_args[arg_count++] = "-H";
3131 extra_args[arg_count++] = arg_host;
3132 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3133 extra_args[arg_count++] = "-M";
3134 extra_args[arg_count++] = arg_host;
3135 }
3136
3137 r = bus_wait_for_jobs(w, arg_quiet, extra_args);
3138 if (r < 0)
3139 return r;
3140
3141 /* When stopping units, warn if they can still be triggered by
3142 * another active unit (socket, path, timer) */
3143 if (!arg_quiet && streq(method, "StopUnit"))
3144 STRV_FOREACH(name, names)
3145 (void) check_triggering_units(bus, *name);
3146 }
3147
3148 if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) {
3149 r = sd_event_loop(wait_context.event);
3150 if (r < 0)
3151 return log_error_errno(r, "Failed to run event loop: %m");
3152 if (wait_context.any_failed)
3153 ret = EXIT_FAILURE;
3154 }
3155
3156 return ret;
3157 }
3158
3159 #if ENABLE_LOGIND
3160 static int logind_set_wall_message(void) {
3161 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3162 sd_bus *bus;
3163 _cleanup_free_ char *m = NULL;
3164 int r;
3165
3166 r = acquire_bus(BUS_FULL, &bus);
3167 if (r < 0)
3168 return r;
3169
3170 m = strv_join(arg_wall, " ");
3171 if (!m)
3172 return log_oom();
3173
3174 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3175 if (arg_dry_run)
3176 return 0;
3177
3178 r = sd_bus_call_method(
3179 bus,
3180 "org.freedesktop.login1",
3181 "/org/freedesktop/login1",
3182 "org.freedesktop.login1.Manager",
3183 "SetWallMessage",
3184 &error,
3185 NULL,
3186 "sb",
3187 m,
3188 !arg_no_wall);
3189
3190 if (r < 0)
3191 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3192 return 0;
3193 }
3194 #endif
3195
3196 /* Ask systemd-logind, which might grant access to unprivileged users
3197 * through polkit */
3198 static int logind_reboot(enum action a) {
3199 #if ENABLE_LOGIND
3200 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3201 const char *method, *description;
3202 sd_bus *bus;
3203 int r;
3204
3205 r = acquire_bus(BUS_FULL, &bus);
3206 if (r < 0)
3207 return r;
3208
3209 switch (a) {
3210
3211 case ACTION_POWEROFF:
3212 method = "PowerOff";
3213 description = "power off system";
3214 break;
3215
3216 case ACTION_REBOOT:
3217 method = "Reboot";
3218 description = "reboot system";
3219 break;
3220
3221 case ACTION_HALT:
3222 method = "Halt";
3223 description = "halt system";
3224 break;
3225
3226 case ACTION_SUSPEND:
3227 method = "Suspend";
3228 description = "suspend system";
3229 break;
3230
3231 case ACTION_HIBERNATE:
3232 method = "Hibernate";
3233 description = "hibernate system";
3234 break;
3235
3236 case ACTION_HYBRID_SLEEP:
3237 method = "HybridSleep";
3238 description = "put system into hybrid sleep";
3239 break;
3240
3241 case ACTION_SUSPEND_THEN_HIBERNATE:
3242 method = "SuspendThenHibernate";
3243 description = "put system into suspend followed by hibernate";
3244 break;
3245
3246 default:
3247 return -EINVAL;
3248 }
3249
3250 polkit_agent_open_maybe();
3251 (void) logind_set_wall_message();
3252
3253 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3254 if (arg_dry_run)
3255 return 0;
3256
3257 r = sd_bus_call_method(
3258 bus,
3259 "org.freedesktop.login1",
3260 "/org/freedesktop/login1",
3261 "org.freedesktop.login1.Manager",
3262 method,
3263 &error,
3264 NULL,
3265 "b", arg_ask_password);
3266 if (r < 0)
3267 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3268
3269 return 0;
3270 #else
3271 return -ENOSYS;
3272 #endif
3273 }
3274
3275 static int logind_check_inhibitors(enum action a) {
3276 #if ENABLE_LOGIND
3277 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3278 _cleanup_strv_free_ char **sessions = NULL;
3279 const char *what, *who, *why, *mode;
3280 uint32_t uid, pid;
3281 sd_bus *bus;
3282 unsigned c = 0;
3283 char **s;
3284 int r;
3285
3286 if (arg_ignore_inhibitors || arg_force > 0)
3287 return 0;
3288
3289 if (arg_when > 0)
3290 return 0;
3291
3292 if (geteuid() == 0)
3293 return 0;
3294
3295 if (!on_tty())
3296 return 0;
3297
3298 if (arg_transport != BUS_TRANSPORT_LOCAL)
3299 return 0;
3300
3301 r = acquire_bus(BUS_FULL, &bus);
3302 if (r < 0)
3303 return r;
3304
3305 r = sd_bus_call_method(
3306 bus,
3307 "org.freedesktop.login1",
3308 "/org/freedesktop/login1",
3309 "org.freedesktop.login1.Manager",
3310 "ListInhibitors",
3311 NULL,
3312 &reply,
3313 NULL);
3314 if (r < 0)
3315 /* If logind is not around, then there are no inhibitors... */
3316 return 0;
3317
3318 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3319 if (r < 0)
3320 return bus_log_parse_error(r);
3321
3322 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3323 _cleanup_free_ char *comm = NULL, *user = NULL;
3324 _cleanup_strv_free_ char **sv = NULL;
3325
3326 if (!streq(mode, "block"))
3327 continue;
3328
3329 sv = strv_split(what, ":");
3330 if (!sv)
3331 return log_oom();
3332
3333 if (!pid_is_valid((pid_t) pid)) {
3334 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3335 return -ERANGE;
3336 }
3337
3338 if (!strv_contains(sv,
3339 IN_SET(a,
3340 ACTION_HALT,
3341 ACTION_POWEROFF,
3342 ACTION_REBOOT,
3343 ACTION_KEXEC) ? "shutdown" : "sleep"))
3344 continue;
3345
3346 get_process_comm(pid, &comm);
3347 user = uid_to_name(uid);
3348
3349 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3350 who, (pid_t) pid, strna(comm), strna(user), why);
3351
3352 c++;
3353 }
3354 if (r < 0)
3355 return bus_log_parse_error(r);
3356
3357 r = sd_bus_message_exit_container(reply);
3358 if (r < 0)
3359 return bus_log_parse_error(r);
3360
3361 /* Check for current sessions */
3362 sd_get_sessions(&sessions);
3363 STRV_FOREACH(s, sessions) {
3364 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3365
3366 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3367 continue;
3368
3369 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3370 continue;
3371
3372 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3373 continue;
3374
3375 sd_session_get_tty(*s, &tty);
3376 sd_session_get_seat(*s, &seat);
3377 sd_session_get_service(*s, &service);
3378 user = uid_to_name(uid);
3379
3380 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3381 c++;
3382 }
3383
3384 if (c <= 0)
3385 return 0;
3386
3387 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3388 action_table[a].verb);
3389
3390 return -EPERM;
3391 #else
3392 return 0;
3393 #endif
3394 }
3395
3396 static int logind_prepare_firmware_setup(void) {
3397 #if ENABLE_LOGIND
3398 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3399 sd_bus *bus;
3400 int r;
3401
3402 r = acquire_bus(BUS_FULL, &bus);
3403 if (r < 0)
3404 return r;
3405
3406 r = sd_bus_call_method(
3407 bus,
3408 "org.freedesktop.login1",
3409 "/org/freedesktop/login1",
3410 "org.freedesktop.login1.Manager",
3411 "SetRebootToFirmwareSetup",
3412 &error,
3413 NULL,
3414 "b", true);
3415 if (r < 0)
3416 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3417
3418 return 0;
3419 #else
3420 log_error("Cannot remotely indicate to EFI to boot into setup mode.");
3421 return -ENOSYS;
3422 #endif
3423 }
3424
3425 static int prepare_firmware_setup(void) {
3426 int r;
3427
3428 if (!arg_firmware_setup)
3429 return 0;
3430
3431 if (arg_transport == BUS_TRANSPORT_LOCAL) {
3432
3433 r = efi_set_reboot_to_firmware(true);
3434 if (r < 0)
3435 log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
3436 else
3437 return r;
3438 }
3439
3440 return logind_prepare_firmware_setup();
3441 }
3442
3443 static int load_kexec_kernel(void) {
3444 _cleanup_(boot_config_free) BootConfig config = {};
3445 _cleanup_free_ char *where = NULL, *kernel = NULL, *initrd = NULL, *options = NULL;
3446 const BootEntry *e;
3447 pid_t pid;
3448 int r;
3449
3450 if (kexec_loaded()) {
3451 log_debug("Kexec kernel already loaded.");
3452 return 0;
3453 }
3454
3455 if (access(KEXEC, X_OK) < 0)
3456 return log_error_errno(errno, KEXEC" is not available: %m");
3457
3458 r = find_default_boot_entry(arg_esp_path, &where, &config, &e);
3459 if (r == -ENOKEY) /* find_default_boot_entry() doesn't warn about this case */
3460 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3461 if (r < 0)
3462 /* But it logs about all these cases, hence don't log here again */
3463 return r;
3464
3465 if (strv_length(e->initrd) > 1) {
3466 log_error("Boot entry specifies multiple initrds, which is not supported currently.");
3467 return -EINVAL;
3468 }
3469
3470 kernel = path_join(NULL, where, e->kernel);
3471 if (!strv_isempty(e->initrd))
3472 initrd = path_join(NULL, where, *e->initrd);
3473 options = strv_join(e->options, " ");
3474 if (!options)
3475 return log_oom();
3476
3477 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3478 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3479 arg_dry_run ? "Would run" : "Running",
3480 kernel,
3481 options,
3482 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3483 if (arg_dry_run)
3484 return 0;
3485
3486 r = safe_fork("(kexec)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
3487 if (r < 0)
3488 return r;
3489 if (r == 0) {
3490 const char* const args[] = {
3491 KEXEC,
3492 "--load", kernel,
3493 "--append", options,
3494 initrd ? "--initrd" : NULL, initrd,
3495 NULL };
3496
3497 /* Child */
3498 execv(args[0], (char * const *) args);
3499 _exit(EXIT_FAILURE);
3500 }
3501
3502 r = wait_for_terminate_and_check("kexec", pid, WAIT_LOG);
3503 if (r < 0)
3504 return r;
3505 if (r > 0)
3506 /* Command failed */
3507 return -EPROTO;
3508 return 0;
3509 }
3510
3511 static int set_exit_code(uint8_t code) {
3512 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3513 sd_bus *bus;
3514 int r;
3515
3516 r = acquire_bus(BUS_MANAGER, &bus);
3517 if (r < 0)
3518 return r;
3519
3520 r = sd_bus_call_method(
3521 bus,
3522 "org.freedesktop.systemd1",
3523 "/org/freedesktop/systemd1",
3524 "org.freedesktop.systemd1.Manager",
3525 "SetExitCode",
3526 &error,
3527 NULL,
3528 "y", code);
3529 if (r < 0)
3530 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3531
3532 return 0;
3533 }
3534
3535 static int start_special(int argc, char *argv[], void *userdata) {
3536 enum action a;
3537 int r;
3538 bool termination_action; /* an action that terminates the manager,
3539 * can be performed also by signal. */
3540
3541 assert(argv);
3542
3543 a = verb_to_action(argv[0]);
3544
3545 r = logind_check_inhibitors(a);
3546 if (r < 0)
3547 return r;
3548
3549 if (arg_force >= 2) {
3550 r = must_be_root();
3551 if (r < 0)
3552 return r;
3553 }
3554
3555 r = prepare_firmware_setup();
3556 if (r < 0)
3557 return r;
3558
3559 if (a == ACTION_REBOOT && argc > 1) {
3560 r = update_reboot_parameter_and_warn(argv[1]);
3561 if (r < 0)
3562 return r;
3563
3564 } else if (a == ACTION_KEXEC) {
3565 r = load_kexec_kernel();
3566 if (r < 0 && arg_force >= 1)
3567 log_notice("Failed to load kexec kernel, continuing without.");
3568 else if (r < 0)
3569 return r;
3570
3571 } else if (a == ACTION_EXIT && argc > 1) {
3572 uint8_t code;
3573
3574 /* If the exit code is not given on the command line,
3575 * don't reset it to zero: just keep it as it might
3576 * have been set previously. */
3577
3578 r = safe_atou8(argv[1], &code);
3579 if (r < 0)
3580 return log_error_errno(r, "Invalid exit code.");
3581
3582 r = set_exit_code(code);
3583 if (r < 0)
3584 return r;
3585 }
3586
3587 termination_action = IN_SET(a,
3588 ACTION_HALT,
3589 ACTION_POWEROFF,
3590 ACTION_REBOOT);
3591 if (termination_action && arg_force >= 2)
3592 return halt_now(a);
3593
3594 if (arg_force >= 1 &&
3595 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3596 r = trivial_method(argc, argv, userdata);
3597 else {
3598 /* First try logind, to allow authentication with polkit */
3599 if (IN_SET(a,
3600 ACTION_POWEROFF,
3601 ACTION_REBOOT,
3602 ACTION_HALT,
3603 ACTION_SUSPEND,
3604 ACTION_HIBERNATE,
3605 ACTION_HYBRID_SLEEP,
3606 ACTION_SUSPEND_THEN_HIBERNATE)) {
3607
3608 r = logind_reboot(a);
3609 if (r >= 0)
3610 return r;
3611 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3612 /* requested operation is not supported or already in progress */
3613 return r;
3614
3615 /* On all other errors, try low-level operation. In order to minimize the difference between
3616 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3617 * logind's shutdown operations are always non-blocking. */
3618
3619 arg_no_block = true;
3620
3621 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3622 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3623 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3624 arg_no_block = true;
3625
3626 r = start_unit(argc, argv, userdata);
3627 }
3628
3629 if (termination_action && arg_force < 2 &&
3630 IN_SET(r, -ENOENT, -ETIMEDOUT))
3631 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3632
3633 return r;
3634 }
3635
3636 static int start_system_special(int argc, char *argv[], void *userdata) {
3637 /* Like start_special above, but raises an error when running in user mode */
3638
3639 if (arg_scope != UNIT_FILE_SYSTEM) {
3640 log_error("Bad action for %s mode.",
3641 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3642 return -EINVAL;
3643 }
3644
3645 return start_special(argc, argv, userdata);
3646 }
3647
3648 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3649 _cleanup_strv_free_ char **names = NULL;
3650 UnitActiveState active_state;
3651 sd_bus *bus;
3652 char **name;
3653 int r, i;
3654 bool found = false;
3655
3656 r = acquire_bus(BUS_MANAGER, &bus);
3657 if (r < 0)
3658 return r;
3659
3660 r = expand_names(bus, args, NULL, &names);
3661 if (r < 0)
3662 return log_error_errno(r, "Failed to expand names: %m");
3663
3664 STRV_FOREACH(name, names) {
3665 r = get_state_one_unit(bus, *name, &active_state);
3666 if (r < 0)
3667 return r;
3668
3669 if (!arg_quiet)
3670 puts(unit_active_state_to_string(active_state));
3671
3672 for (i = 0; i < nb_states; ++i)
3673 if (good_states[i] == active_state)
3674 found = true;
3675 }
3676
3677 /* use the given return code for the case that we won't find
3678 * any unit which matches the list */
3679 return found ? 0 : code;
3680 }
3681
3682 static int check_unit_active(int argc, char *argv[], void *userdata) {
3683 static const UnitActiveState states[] = {
3684 UNIT_ACTIVE,
3685 UNIT_RELOADING,
3686 };
3687
3688 /* According to LSB: 3, "program is not running" */
3689 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3690 }
3691
3692 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3693 static const UnitActiveState states[] = {
3694 UNIT_FAILED,
3695 };
3696
3697 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3698 }
3699
3700 static int kill_unit(int argc, char *argv[], void *userdata) {
3701 _cleanup_strv_free_ char **names = NULL;
3702 char *kill_who = NULL, **name;
3703 sd_bus *bus;
3704 int r, q;
3705
3706 r = acquire_bus(BUS_MANAGER, &bus);
3707 if (r < 0)
3708 return r;
3709
3710 polkit_agent_open_maybe();
3711
3712 if (!arg_kill_who)
3713 arg_kill_who = "all";
3714
3715 /* --fail was specified */
3716 if (streq(arg_job_mode, "fail"))
3717 kill_who = strjoina(arg_kill_who, "-fail");
3718
3719 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3720 if (r < 0)
3721 return log_error_errno(r, "Failed to expand names: %m");
3722
3723 STRV_FOREACH(name, names) {
3724 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3725
3726 q = sd_bus_call_method(
3727 bus,
3728 "org.freedesktop.systemd1",
3729 "/org/freedesktop/systemd1",
3730 "org.freedesktop.systemd1.Manager",
3731 "KillUnit",
3732 &error,
3733 NULL,
3734 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3735 if (q < 0) {
3736 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3737 if (r == 0)
3738 r = q;
3739 }
3740 }
3741
3742 return r;
3743 }
3744
3745 typedef struct ExecStatusInfo {
3746 char *name;
3747
3748 char *path;
3749 char **argv;
3750
3751 bool ignore;
3752
3753 usec_t start_timestamp;
3754 usec_t exit_timestamp;
3755 pid_t pid;
3756 int code;
3757 int status;
3758
3759 LIST_FIELDS(struct ExecStatusInfo, exec);
3760 } ExecStatusInfo;
3761
3762 static void exec_status_info_free(ExecStatusInfo *i) {
3763 assert(i);
3764
3765 free(i->name);
3766 free(i->path);
3767 strv_free(i->argv);
3768 free(i);
3769 }
3770
3771 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3772 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3773 const char *path;
3774 uint32_t pid;
3775 int32_t code, status;
3776 int ignore, r;
3777
3778 assert(m);
3779 assert(i);
3780
3781 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3782 if (r < 0)
3783 return bus_log_parse_error(r);
3784 else if (r == 0)
3785 return 0;
3786
3787 r = sd_bus_message_read(m, "s", &path);
3788 if (r < 0)
3789 return bus_log_parse_error(r);
3790
3791 i->path = strdup(path);
3792 if (!i->path)
3793 return log_oom();
3794
3795 r = sd_bus_message_read_strv(m, &i->argv);
3796 if (r < 0)
3797 return bus_log_parse_error(r);
3798
3799 r = sd_bus_message_read(m,
3800 "bttttuii",
3801 &ignore,
3802 &start_timestamp, &start_timestamp_monotonic,
3803 &exit_timestamp, &exit_timestamp_monotonic,
3804 &pid,
3805 &code, &status);
3806 if (r < 0)
3807 return bus_log_parse_error(r);
3808
3809 i->ignore = ignore;
3810 i->start_timestamp = (usec_t) start_timestamp;
3811 i->exit_timestamp = (usec_t) exit_timestamp;
3812 i->pid = (pid_t) pid;
3813 i->code = code;
3814 i->status = status;
3815
3816 r = sd_bus_message_exit_container(m);
3817 if (r < 0)
3818 return bus_log_parse_error(r);
3819
3820 return 1;
3821 }
3822
3823 typedef struct UnitCondition {
3824 char *name;
3825 char *param;
3826 bool trigger;
3827 bool negate;
3828 int tristate;
3829
3830 LIST_FIELDS(struct UnitCondition, conditions);
3831 } UnitCondition;
3832
3833 static void unit_condition_free(UnitCondition *c) {
3834 if (!c)
3835 return;
3836
3837 free(c->name);
3838 free(c->param);
3839 free(c);
3840 }
3841
3842 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3843
3844 typedef struct UnitStatusInfo {
3845 const char *id;
3846 const char *load_state;
3847 const char *active_state;
3848 const char *sub_state;
3849 const char *unit_file_state;
3850 const char *unit_file_preset;
3851
3852 const char *description;
3853 const char *following;
3854
3855 char **documentation;
3856
3857 const char *fragment_path;
3858 const char *source_path;
3859 const char *control_group;
3860
3861 char **dropin_paths;
3862
3863 const char *load_error;
3864 const char *result;
3865
3866 usec_t inactive_exit_timestamp;
3867 usec_t inactive_exit_timestamp_monotonic;
3868 usec_t active_enter_timestamp;
3869 usec_t active_exit_timestamp;
3870 usec_t inactive_enter_timestamp;
3871
3872 bool need_daemon_reload;
3873 bool transient;
3874
3875 /* Service */
3876 pid_t main_pid;
3877 pid_t control_pid;
3878 const char *status_text;
3879 const char *pid_file;
3880 bool running:1;
3881 int status_errno;
3882
3883 usec_t start_timestamp;
3884 usec_t exit_timestamp;
3885
3886 int exit_code, exit_status;
3887
3888 usec_t condition_timestamp;
3889 bool condition_result;
3890 LIST_HEAD(UnitCondition, conditions);
3891
3892 usec_t assert_timestamp;
3893 bool assert_result;
3894 bool failed_assert_trigger;
3895 bool failed_assert_negate;
3896 const char *failed_assert;
3897 const char *failed_assert_parameter;
3898 usec_t next_elapse_real;
3899 usec_t next_elapse_monotonic;
3900
3901 /* Socket */
3902 unsigned n_accepted;
3903 unsigned n_connections;
3904 unsigned n_refused;
3905 bool accept;
3906
3907 /* Pairs of type, path */
3908 char **listen;
3909
3910 /* Device */
3911 const char *sysfs_path;
3912
3913 /* Mount, Automount */
3914 const char *where;
3915
3916 /* Swap */
3917 const char *what;
3918
3919 /* CGroup */
3920 uint64_t memory_current;
3921 uint64_t memory_min;
3922 uint64_t memory_low;
3923 uint64_t memory_high;
3924 uint64_t memory_max;
3925 uint64_t memory_swap_max;
3926 uint64_t memory_limit;
3927 uint64_t cpu_usage_nsec;
3928 uint64_t tasks_current;
3929 uint64_t tasks_max;
3930
3931 uint64_t ip_ingress_bytes;
3932 uint64_t ip_egress_bytes;
3933
3934 LIST_HEAD(ExecStatusInfo, exec);
3935 } UnitStatusInfo;
3936
3937 static void unit_status_info_free(UnitStatusInfo *info) {
3938 ExecStatusInfo *p;
3939 UnitCondition *c;
3940
3941 strv_free(info->documentation);
3942 strv_free(info->dropin_paths);
3943 strv_free(info->listen);
3944
3945 while ((c = info->conditions)) {
3946 LIST_REMOVE(conditions, info->conditions, c);
3947 unit_condition_free(c);
3948 }
3949
3950 while ((p = info->exec)) {
3951 LIST_REMOVE(exec, info->exec, p);
3952 exec_status_info_free(p);
3953 }
3954 }
3955
3956 static void print_status_info(
3957 sd_bus *bus,
3958 UnitStatusInfo *i,
3959 bool *ellipsized) {
3960
3961 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
3962 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
3963 _cleanup_free_ char *formatted_path = NULL;
3964 ExecStatusInfo *p;
3965 usec_t timestamp;
3966 const char *path;
3967 char **t, **t2;
3968 int r;
3969
3970 assert(i);
3971
3972 /* This shows pretty information about a unit. See
3973 * print_property() for a low-level property printer */
3974
3975 if (streq_ptr(i->active_state, "failed")) {
3976 active_on = ansi_highlight_red();
3977 active_off = ansi_normal();
3978 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
3979 active_on = ansi_highlight_green();
3980 active_off = ansi_normal();
3981 } else
3982 active_on = active_off = "";
3983
3984 printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id));
3985
3986 if (i->description && !streq_ptr(i->id, i->description))
3987 printf(" - %s", i->description);
3988
3989 printf("\n");
3990
3991 if (i->following)
3992 printf(" Follow: unit currently follows state of %s\n", i->following);
3993
3994 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
3995 on = ansi_highlight_red();
3996 off = ansi_normal();
3997 } else
3998 on = off = "";
3999
4000 path = i->source_path ?: i->fragment_path;
4001 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4002 path = formatted_path;
4003
4004 if (!isempty(i->load_error))
4005 printf(" Loaded: %s%s%s (Reason: %s)\n",
4006 on, strna(i->load_state), off, i->load_error);
4007 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4008 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4009 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4010 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4011 else if (path && !isempty(i->unit_file_state))
4012 printf(" Loaded: %s%s%s (%s; %s)\n",
4013 on, strna(i->load_state), off, path, i->unit_file_state);
4014 else if (path)
4015 printf(" Loaded: %s%s%s (%s)\n",
4016 on, strna(i->load_state), off, path);
4017 else
4018 printf(" Loaded: %s%s%s\n",
4019 on, strna(i->load_state), off);
4020
4021 if (i->transient)
4022 printf("Transient: yes\n");
4023
4024 if (!strv_isempty(i->dropin_paths)) {
4025 _cleanup_free_ char *dir = NULL;
4026 bool last = false;
4027 char ** dropin;
4028
4029 STRV_FOREACH(dropin, i->dropin_paths) {
4030 _cleanup_free_ char *dropin_formatted = NULL;
4031 const char *df;
4032
4033 if (!dir || last) {
4034 printf(dir ? " " :
4035 " Drop-In: ");
4036
4037 dir = mfree(dir);
4038
4039 dir = dirname_malloc(*dropin);
4040 if (!dir) {
4041 log_oom();
4042 return;
4043 }
4044
4045 printf("%s\n"
4046 " %s", dir,
4047 special_glyph(TREE_RIGHT));
4048 }
4049
4050 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4051
4052 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4053 df = dropin_formatted;
4054 else
4055 df = *dropin;
4056
4057 printf("%s%s", df, last ? "\n" : ", ");
4058 }
4059 }
4060
4061 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4062 if (ss)
4063 printf(" Active: %s%s (%s)%s",
4064 active_on, strna(i->active_state), ss, active_off);
4065 else
4066 printf(" Active: %s%s%s",
4067 active_on, strna(i->active_state), active_off);
4068
4069 if (!isempty(i->result) && !streq(i->result, "success"))
4070 printf(" (Result: %s)", i->result);
4071
4072 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4073 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4074 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4075 i->active_exit_timestamp;
4076
4077 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4078 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4079
4080 if (s1)
4081 printf(" since %s; %s\n", s2, s1);
4082 else if (s2)
4083 printf(" since %s\n", s2);
4084 else
4085 printf("\n");
4086
4087 if (endswith(i->id, ".timer")) {
4088 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4089 tstamp2[FORMAT_TIMESTAMP_MAX];
4090 const char *next_rel_time, *next_time;
4091 dual_timestamp nw, next = {i->next_elapse_real,
4092 i->next_elapse_monotonic};
4093 usec_t next_elapse;
4094
4095 printf(" Trigger: ");
4096
4097 dual_timestamp_get(&nw);
4098 next_elapse = calc_next_elapse(&nw, &next);
4099 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4100 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4101
4102 if (next_time && next_rel_time)
4103 printf("%s; %s\n", next_time, next_rel_time);
4104 else
4105 printf("n/a\n");
4106 }
4107
4108 if (!i->condition_result && i->condition_timestamp > 0) {
4109 UnitCondition *c;
4110 int n = 0;
4111
4112 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4113 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4114
4115 printf("Condition: start %scondition failed%s at %s%s%s\n",
4116 ansi_highlight_yellow(), ansi_normal(),
4117 s2, s1 ? "; " : "", strempty(s1));
4118
4119 LIST_FOREACH(conditions, c, i->conditions)
4120 if (c->tristate < 0)
4121 n++;
4122
4123 LIST_FOREACH(conditions, c, i->conditions)
4124 if (c->tristate < 0)
4125 printf(" %s %s=%s%s%s was not met\n",
4126 --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT),
4127 c->name,
4128 c->trigger ? "|" : "",
4129 c->negate ? "!" : "",
4130 c->param);
4131 }
4132
4133 if (!i->assert_result && i->assert_timestamp > 0) {
4134 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4135 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4136
4137 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4138 ansi_highlight_red(), ansi_normal(),
4139 s2, s1 ? "; " : "", strempty(s1));
4140 if (i->failed_assert_trigger)
4141 printf(" none of the trigger assertions were met\n");
4142 else if (i->failed_assert)
4143 printf(" %s=%s%s was not met\n",
4144 i->failed_assert,
4145 i->failed_assert_negate ? "!" : "",
4146 i->failed_assert_parameter);
4147 }
4148
4149 if (i->sysfs_path)
4150 printf(" Device: %s\n", i->sysfs_path);
4151 if (i->where)
4152 printf(" Where: %s\n", i->where);
4153 if (i->what)
4154 printf(" What: %s\n", i->what);
4155
4156 STRV_FOREACH(t, i->documentation) {
4157 _cleanup_free_ char *formatted = NULL;
4158 const char *q;
4159
4160 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4161 q = formatted;
4162 else
4163 q = *t;
4164
4165 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4166 }
4167
4168 STRV_FOREACH_PAIR(t, t2, i->listen)
4169 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4170
4171 if (i->accept) {
4172 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4173 if (i->n_refused)
4174 printf(" Refused: %u", i->n_refused);
4175 printf("\n");
4176 }
4177
4178 LIST_FOREACH(exec, p, i->exec) {
4179 _cleanup_free_ char *argv = NULL;
4180 bool good;
4181
4182 /* Only show exited processes here */
4183 if (p->code == 0)
4184 continue;
4185
4186 argv = strv_join(p->argv, " ");
4187 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4188
4189 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4190 if (!good) {
4191 on = ansi_highlight_red();
4192 off = ansi_normal();
4193 } else
4194 on = off = "";
4195
4196 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4197
4198 if (p->code == CLD_EXITED) {
4199 const char *c;
4200
4201 printf("status=%i", p->status);
4202
4203 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4204 if (c)
4205 printf("/%s", c);
4206
4207 } else
4208 printf("signal=%s", signal_to_string(p->status));
4209
4210 printf(")%s\n", off);
4211
4212 if (i->main_pid == p->pid &&
4213 i->start_timestamp == p->start_timestamp &&
4214 i->exit_timestamp == p->start_timestamp)
4215 /* Let's not show this twice */
4216 i->main_pid = 0;
4217
4218 if (p->pid == i->control_pid)
4219 i->control_pid = 0;
4220 }
4221
4222 if (i->main_pid > 0 || i->control_pid > 0) {
4223 if (i->main_pid > 0) {
4224 printf(" Main PID: "PID_FMT, i->main_pid);
4225
4226 if (i->running) {
4227
4228 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4229 _cleanup_free_ char *comm = NULL;
4230
4231 (void) get_process_comm(i->main_pid, &comm);
4232 if (comm)
4233 printf(" (%s)", comm);
4234 }
4235
4236 } else if (i->exit_code > 0) {
4237 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4238
4239 if (i->exit_code == CLD_EXITED) {
4240 const char *c;
4241
4242 printf("status=%i", i->exit_status);
4243
4244 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4245 if (c)
4246 printf("/%s", c);
4247
4248 } else
4249 printf("signal=%s", signal_to_string(i->exit_status));
4250 printf(")");
4251 }
4252 }
4253
4254 if (i->control_pid > 0) {
4255 _cleanup_free_ char *c = NULL;
4256
4257 if (i->main_pid > 0)
4258 fputs("; Control PID: ", stdout);
4259 else
4260 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4261
4262 printf(PID_FMT, i->control_pid);
4263
4264 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4265 (void) get_process_comm(i->control_pid, &c);
4266 if (c)
4267 printf(" (%s)", c);
4268 }
4269 }
4270
4271 printf("\n");
4272 }
4273
4274 if (i->status_text)
4275 printf(" Status: \"%s\"\n", i->status_text);
4276 if (i->status_errno > 0)
4277 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4278
4279 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4280 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4281
4282 printf(" IP: %s in, %s out\n",
4283 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4284 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4285 }
4286
4287 if (i->tasks_current != (uint64_t) -1) {
4288 printf(" Tasks: %" PRIu64, i->tasks_current);
4289
4290 if (i->tasks_max != (uint64_t) -1)
4291 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4292 else
4293 printf("\n");
4294 }
4295
4296 if (i->memory_current != (uint64_t) -1) {
4297 char buf[FORMAT_BYTES_MAX];
4298
4299 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4300
4301 if (i->memory_min > 0 || i->memory_low > 0 ||
4302 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4303 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4304 i->memory_limit != CGROUP_LIMIT_MAX) {
4305 const char *prefix = "";
4306
4307 printf(" (");
4308 if (i->memory_min > 0) {
4309 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4310 prefix = " ";
4311 }
4312 if (i->memory_low > 0) {
4313 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4314 prefix = " ";
4315 }
4316 if (i->memory_high != CGROUP_LIMIT_MAX) {
4317 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4318 prefix = " ";
4319 }
4320 if (i->memory_max != CGROUP_LIMIT_MAX) {
4321 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4322 prefix = " ";
4323 }
4324 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4325 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4326 prefix = " ";
4327 }
4328 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4329 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4330 prefix = " ";
4331 }
4332 printf(")");
4333 }
4334 printf("\n");
4335 }
4336
4337 if (i->cpu_usage_nsec != (uint64_t) -1) {
4338 char buf[FORMAT_TIMESPAN_MAX];
4339 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4340 }
4341
4342 if (i->control_group) {
4343 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4344 static const char prefix[] = " ";
4345 unsigned c;
4346
4347 printf(" CGroup: %s\n", i->control_group);
4348
4349 c = columns();
4350 if (c > sizeof(prefix) - 1)
4351 c -= sizeof(prefix) - 1;
4352 else
4353 c = 0;
4354
4355 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4356 if (r == -EBADR) {
4357 unsigned k = 0;
4358 pid_t extra[2];
4359
4360 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4361
4362 if (i->main_pid > 0)
4363 extra[k++] = i->main_pid;
4364
4365 if (i->control_pid > 0)
4366 extra[k++] = i->control_pid;
4367
4368 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4369 } else if (r < 0)
4370 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4371 }
4372
4373 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4374 show_journal_by_unit(
4375 stdout,
4376 i->id,
4377 arg_output,
4378 0,
4379 i->inactive_exit_timestamp_monotonic,
4380 arg_lines,
4381 getuid(),
4382 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4383 SD_JOURNAL_LOCAL_ONLY,
4384 arg_scope == UNIT_FILE_SYSTEM,
4385 ellipsized);
4386
4387 if (i->need_daemon_reload)
4388 warn_unit_file_changed(i->id);
4389 }
4390
4391 static void show_unit_help(UnitStatusInfo *i) {
4392 char **p;
4393
4394 assert(i);
4395
4396 if (!i->documentation) {
4397 log_info("Documentation for %s not known.", i->id);
4398 return;
4399 }
4400
4401 STRV_FOREACH(p, i->documentation)
4402 if (startswith(*p, "man:"))
4403 show_man_page(*p + 4, false);
4404 else
4405 log_info("Can't show: %s", *p);
4406 }
4407
4408 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4409 UnitStatusInfo *i = userdata;
4410 uint32_t u;
4411 int r;
4412
4413 r = sd_bus_message_read(m, "u", &u);
4414 if (r < 0)
4415 return r;
4416
4417 i->main_pid = (pid_t) u;
4418 i->running = u > 0;
4419
4420 return 0;
4421 }
4422
4423 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4424 const char *message, **p = userdata;
4425 int r;
4426
4427 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4428 if (r < 0)
4429 return r;
4430
4431 if (!isempty(message))
4432 *p = message;
4433
4434 return 0;
4435 }
4436
4437 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4438 const char *type, *path;
4439 char ***p = userdata;
4440 int r;
4441
4442 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4443 if (r < 0)
4444 return r;
4445
4446 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4447
4448 r = strv_extend(p, type);
4449 if (r < 0)
4450 return r;
4451
4452 r = strv_extend(p, path);
4453 if (r < 0)
4454 return r;
4455 }
4456 if (r < 0)
4457 return r;
4458
4459 r = sd_bus_message_exit_container(m);
4460 if (r < 0)
4461 return r;
4462
4463 return 0;
4464 }
4465
4466 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4467 UnitStatusInfo *i = userdata;
4468 const char *cond, *param;
4469 int trigger, negate;
4470 int32_t state;
4471 int r;
4472
4473 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4474 if (r < 0)
4475 return r;
4476
4477 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4478 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4479
4480 c = new0(UnitCondition, 1);
4481 if (!c)
4482 return -ENOMEM;
4483
4484 c->name = strdup(cond);
4485 c->param = strdup(param);
4486 if (!c->name || !c->param)
4487 return -ENOMEM;
4488
4489 c->trigger = trigger;
4490 c->negate = negate;
4491 c->tristate = state;
4492
4493 LIST_PREPEND(conditions, i->conditions, c);
4494 c = NULL;
4495 }
4496 if (r < 0)
4497 return r;
4498
4499 r = sd_bus_message_exit_container(m);
4500 if (r < 0)
4501 return r;
4502
4503 return 0;
4504 }
4505
4506 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4507 UnitStatusInfo *i = userdata;
4508 const char *cond, *param;
4509 int trigger, negate;
4510 int32_t state;
4511 int r;
4512
4513 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4514 if (r < 0)
4515 return r;
4516
4517 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4518 if (state < 0 && (!trigger || !i->failed_assert)) {
4519 i->failed_assert = cond;
4520 i->failed_assert_trigger = trigger;
4521 i->failed_assert_negate = negate;
4522 i->failed_assert_parameter = param;
4523 }
4524 }
4525 if (r < 0)
4526 return r;
4527
4528 r = sd_bus_message_exit_container(m);
4529 if (r < 0)
4530 return r;
4531
4532 return 0;
4533 }
4534
4535 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4536 _cleanup_free_ ExecStatusInfo *info = NULL;
4537 ExecStatusInfo *last;
4538 UnitStatusInfo *i = userdata;
4539 int r;
4540
4541 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4542 if (r < 0)
4543 return r;
4544
4545 info = new0(ExecStatusInfo, 1);
4546 if (!info)
4547 return -ENOMEM;
4548
4549 LIST_FIND_TAIL(exec, i->exec, last);
4550
4551 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4552
4553 info->name = strdup(member);
4554 if (!info->name)
4555 return -ENOMEM;
4556
4557 LIST_INSERT_AFTER(exec, i->exec, last, info);
4558 last = info;
4559
4560 info = new0(ExecStatusInfo, 1);
4561 if (!info)
4562 return -ENOMEM;
4563 }
4564 if (r < 0)
4565 return r;
4566
4567 r = sd_bus_message_exit_container(m);
4568 if (r < 0)
4569 return r;
4570
4571 return 0;
4572 }
4573
4574 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4575 char bus_type;
4576 const char *contents;
4577 int r;
4578
4579 assert(name);
4580 assert(m);
4581
4582 /* This is a low-level property printer, see
4583 * print_status_info() for the nicer output */
4584
4585 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4586 if (r < 0)
4587 return r;
4588
4589 switch (bus_type) {
4590
4591 case SD_BUS_TYPE_STRUCT:
4592
4593 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4594 uint32_t u;
4595
4596 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4597 if (r < 0)
4598 return bus_log_parse_error(r);
4599
4600 if (u > 0)
4601 bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
4602 else if (all)
4603 bus_print_property_value(name, expected_value, value, "%s", "");
4604
4605 return 1;
4606
4607 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4608 const char *s;
4609
4610 r = sd_bus_message_read(m, "(so)", &s, NULL);
4611 if (r < 0)
4612 return bus_log_parse_error(r);
4613
4614 if (all || !isempty(s))
4615 bus_print_property_value(name, expected_value, value, "%s", s);
4616
4617 return 1;
4618
4619 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4620 const char *a = NULL, *b = NULL;
4621
4622 r = sd_bus_message_read(m, "(ss)", &a, &b);
4623 if (r < 0)
4624 return bus_log_parse_error(r);
4625
4626 if (all || !isempty(a) || !isempty(b))
4627 bus_print_property_value(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4628
4629 return 1;
4630 } else if (streq_ptr(name, "SystemCallFilter")) {
4631 _cleanup_strv_free_ char **l = NULL;
4632 int whitelist;
4633
4634 r = sd_bus_message_enter_container(m, 'r', "bas");
4635 if (r < 0)
4636 return bus_log_parse_error(r);
4637
4638 r = sd_bus_message_read(m, "b", &whitelist);
4639 if (r < 0)
4640 return bus_log_parse_error(r);
4641
4642 r = sd_bus_message_read_strv(m, &l);
4643 if (r < 0)
4644 return bus_log_parse_error(r);
4645
4646 r = sd_bus_message_exit_container(m);
4647 if (r < 0)
4648 return bus_log_parse_error(r);
4649
4650 if (all || whitelist || !strv_isempty(l)) {
4651 bool first = true;
4652 char **i;
4653
4654 if (!value) {
4655 fputs(name, stdout);
4656 fputc('=', stdout);
4657 }
4658
4659 if (!whitelist)
4660 fputc('~', stdout);
4661
4662 STRV_FOREACH(i, l) {
4663 if (first)
4664 first = false;
4665 else
4666 fputc(' ', stdout);
4667
4668 fputs(*i, stdout);
4669 }
4670 fputc('\n', stdout);
4671 }
4672
4673 return 1;
4674 }
4675
4676 break;
4677
4678 case SD_BUS_TYPE_ARRAY:
4679
4680 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4681 const char *path;
4682 int ignore;
4683
4684 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4685 if (r < 0)
4686 return bus_log_parse_error(r);
4687
4688 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4689 bus_print_property_value(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4690
4691 if (r < 0)
4692 return bus_log_parse_error(r);
4693
4694 r = sd_bus_message_exit_container(m);
4695 if (r < 0)
4696 return bus_log_parse_error(r);
4697
4698 return 1;
4699
4700 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4701 const char *type, *path;
4702
4703 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4704 if (r < 0)
4705 return bus_log_parse_error(r);
4706
4707 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4708 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4709 if (r < 0)
4710 return bus_log_parse_error(r);
4711
4712 r = sd_bus_message_exit_container(m);
4713 if (r < 0)
4714 return bus_log_parse_error(r);
4715
4716 return 1;
4717
4718 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4719 const char *type, *path;
4720
4721 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4722 if (r < 0)
4723 return bus_log_parse_error(r);
4724
4725 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4726 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4727 if (r < 0)
4728 return bus_log_parse_error(r);
4729
4730 r = sd_bus_message_exit_container(m);
4731 if (r < 0)
4732 return bus_log_parse_error(r);
4733
4734 return 1;
4735
4736 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4737 const char *base;
4738 uint64_t v, next_elapse;
4739
4740 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4741 if (r < 0)
4742 return bus_log_parse_error(r);
4743
4744 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4745 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4746
4747 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
4748 format_timespan(timespan1, sizeof(timespan1), v, 0),
4749 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4750 }
4751 if (r < 0)
4752 return bus_log_parse_error(r);
4753
4754 r = sd_bus_message_exit_container(m);
4755 if (r < 0)
4756 return bus_log_parse_error(r);
4757
4758 return 1;
4759
4760 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
4761 const char *base, *spec;
4762 uint64_t next_elapse;
4763
4764 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
4765 if (r < 0)
4766 return bus_log_parse_error(r);
4767
4768 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
4769 char timestamp[FORMAT_TIMESTAMP_MAX];
4770
4771 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
4772 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
4773 }
4774 if (r < 0)
4775 return bus_log_parse_error(r);
4776
4777 r = sd_bus_message_exit_container(m);
4778 if (r < 0)
4779 return bus_log_parse_error(r);
4780
4781 return 1;
4782
4783 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4784 ExecStatusInfo info = {};
4785
4786 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4787 if (r < 0)
4788 return bus_log_parse_error(r);
4789
4790 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4791 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4792 _cleanup_free_ char *tt;
4793
4794 tt = strv_join(info.argv, " ");
4795
4796 bus_print_property_value(name, expected_value, value,
4797 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
4798 strna(info.path),
4799 strna(tt),
4800 yes_no(info.ignore),
4801 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4802 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4803 info.pid,
4804 sigchld_code_to_string(info.code),
4805 info.status,
4806 info.code == CLD_EXITED ? "" : "/",
4807 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4808
4809 free(info.path);
4810 strv_free(info.argv);
4811 zero(info);
4812 }
4813
4814 r = sd_bus_message_exit_container(m);
4815 if (r < 0)
4816 return bus_log_parse_error(r);
4817
4818 return 1;
4819
4820 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4821 const char *path, *rwm;
4822
4823 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4824 if (r < 0)
4825 return bus_log_parse_error(r);
4826
4827 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4828 bus_print_property_value(name, expected_value, value, "%s %s", strna(path), strna(rwm));
4829 if (r < 0)
4830 return bus_log_parse_error(r);
4831
4832 r = sd_bus_message_exit_container(m);
4833 if (r < 0)
4834 return bus_log_parse_error(r);
4835
4836 return 1;
4837
4838 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4839 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
4840 const char *path;
4841 uint64_t weight;
4842
4843 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4844 if (r < 0)
4845 return bus_log_parse_error(r);
4846
4847 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4848 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
4849 if (r < 0)
4850 return bus_log_parse_error(r);
4851
4852 r = sd_bus_message_exit_container(m);
4853 if (r < 0)
4854 return bus_log_parse_error(r);
4855
4856 return 1;
4857
4858 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4859 (cgroup_io_limit_type_from_string(name) >= 0 ||
4860 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
4861 const char *path;
4862 uint64_t bandwidth;
4863
4864 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4865 if (r < 0)
4866 return bus_log_parse_error(r);
4867
4868 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
4869 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
4870 if (r < 0)
4871 return bus_log_parse_error(r);
4872
4873 r = sd_bus_message_exit_container(m);
4874 if (r < 0)
4875 return bus_log_parse_error(r);
4876
4877 return 1;
4878
4879 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4880 streq(name, "IODeviceLatencyTargetUSec")) {
4881 char ts[FORMAT_TIMESPAN_MAX];
4882 const char *path;
4883 uint64_t target;
4884
4885 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4886 if (r < 0)
4887 return bus_log_parse_error(r);
4888
4889 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
4890 bus_print_property_value(name, expected_value, value, "%s %s", strna(path),
4891 format_timespan(ts, sizeof(ts), target, 1));
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 bus_print_property_value(name, expected_value, value, "%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 typesafe_qsort(unit_infos, c, 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 match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
6633 char **state = userdata;
6634 int r;
6635
6636 assert(state);
6637
6638 r = sd_bus_get_property_string(
6639 sd_bus_message_get_bus(m),
6640 "org.freedesktop.systemd1",
6641 "/org/freedesktop/systemd1",
6642 "org.freedesktop.systemd1.Manager",
6643 "SystemState",
6644 NULL,
6645 state);
6646
6647 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
6648 return 0;
6649 }
6650
6651 static int is_system_running(int argc, char *argv[], void *userdata) {
6652 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6653 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
6654 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
6655 _cleanup_free_ char *state = NULL;
6656 sd_bus *bus;
6657 int r;
6658
6659 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
6660 if (!arg_quiet)
6661 puts("offline");
6662 return EXIT_FAILURE;
6663 }
6664
6665 r = acquire_bus(BUS_MANAGER, &bus);
6666 if (r < 0)
6667 return r;
6668
6669 if (arg_wait) {
6670 r = sd_event_default(&event);
6671 if (r >= 0)
6672 r = sd_bus_attach_event(bus, event, 0);
6673 if (r >= 0)
6674 r = sd_bus_match_signal_async(
6675 bus,
6676 &slot_startup_finished,
6677 "org.freedesktop.systemd1",
6678 "/org/freedesktop/systemd1",
6679 "org.freedesktop.systemd1.Manager",
6680 "StartupFinished",
6681 match_startup_finished, NULL, &state);
6682 if (r < 0) {
6683 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
6684 arg_wait = false;
6685 }
6686 }
6687
6688 r = sd_bus_get_property_string(
6689 bus,
6690 "org.freedesktop.systemd1",
6691 "/org/freedesktop/systemd1",
6692 "org.freedesktop.systemd1.Manager",
6693 "SystemState",
6694 &error,
6695 &state);
6696 if (r < 0) {
6697 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
6698
6699 if (!arg_quiet)
6700 puts("unknown");
6701 return EXIT_FAILURE;
6702 }
6703
6704 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
6705 r = sd_event_loop(event);
6706 if (r < 0) {
6707 log_warning_errno(r, "Failed to get property from event loop: %m");
6708 if (!arg_quiet)
6709 puts("unknown");
6710 return EXIT_FAILURE;
6711 }
6712 }
6713
6714 if (!arg_quiet)
6715 puts(state);
6716
6717 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
6718 }
6719
6720 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
6721 _cleanup_free_ char *t = NULL;
6722 int r;
6723
6724 assert(new_path);
6725 assert(original_path);
6726 assert(ret_tmp_fn);
6727
6728 r = tempfn_random(new_path, NULL, &t);
6729 if (r < 0)
6730 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
6731
6732 r = mkdir_parents(new_path, 0755);
6733 if (r < 0)
6734 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
6735
6736 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
6737 if (r == -ENOENT) {
6738
6739 r = touch(t);
6740 if (r < 0)
6741 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
6742
6743 } else if (r < 0)
6744 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
6745
6746 *ret_tmp_fn = TAKE_PTR(t);
6747
6748 return 0;
6749 }
6750
6751 static int get_file_to_edit(
6752 const LookupPaths *paths,
6753 const char *name,
6754 char **ret_path) {
6755
6756 _cleanup_free_ char *path = NULL, *run = NULL;
6757
6758 assert(name);
6759 assert(ret_path);
6760
6761 path = strjoin(paths->persistent_config, "/", name);
6762 if (!path)
6763 return log_oom();
6764
6765 if (arg_runtime) {
6766 run = strjoin(paths->runtime_config, "/", name);
6767 if (!run)
6768 return log_oom();
6769 }
6770
6771 if (arg_runtime) {
6772 if (access(path, F_OK) >= 0) {
6773 log_error("Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.", run, path);
6774 return -EEXIST;
6775 }
6776
6777 *ret_path = TAKE_PTR(run);
6778 } else
6779 *ret_path = TAKE_PTR(path);
6780
6781 return 0;
6782 }
6783
6784 static int unit_file_create_new(
6785 const LookupPaths *paths,
6786 const char *unit_name,
6787 const char *suffix,
6788 char **ret_new_path,
6789 char **ret_tmp_path) {
6790
6791 char *tmp_new_path, *tmp_tmp_path, *ending;
6792 int r;
6793
6794 assert(unit_name);
6795 assert(ret_new_path);
6796 assert(ret_tmp_path);
6797
6798 ending = strjoina(unit_name, suffix);
6799 r = get_file_to_edit(paths, ending, &tmp_new_path);
6800 if (r < 0)
6801 return r;
6802
6803 r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path);
6804 if (r < 0) {
6805 free(tmp_new_path);
6806 return r;
6807 }
6808
6809 *ret_new_path = tmp_new_path;
6810 *ret_tmp_path = tmp_tmp_path;
6811
6812 return 0;
6813 }
6814
6815 static int unit_file_create_copy(
6816 const LookupPaths *paths,
6817 const char *unit_name,
6818 const char *fragment_path,
6819 char **ret_new_path,
6820 char **ret_tmp_path) {
6821
6822 char *tmp_new_path, *tmp_tmp_path;
6823 int r;
6824
6825 assert(fragment_path);
6826 assert(unit_name);
6827 assert(ret_new_path);
6828 assert(ret_tmp_path);
6829
6830 r = get_file_to_edit(paths, unit_name, &tmp_new_path);
6831 if (r < 0)
6832 return r;
6833
6834 if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) {
6835 char response;
6836
6837 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path);
6838 if (r < 0) {
6839 free(tmp_new_path);
6840 return r;
6841 }
6842 if (response != 'y') {
6843 log_warning("%s ignored", unit_name);
6844 free(tmp_new_path);
6845 return -EKEYREJECTED;
6846 }
6847 }
6848
6849 r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path);
6850 if (r < 0) {
6851 free(tmp_new_path);
6852 return r;
6853 }
6854
6855 *ret_new_path = tmp_new_path;
6856 *ret_tmp_path = tmp_tmp_path;
6857
6858 return 0;
6859 }
6860
6861 static int run_editor(char **paths) {
6862 int r;
6863
6864 assert(paths);
6865
6866 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG|FORK_WAIT, NULL);
6867 if (r < 0)
6868 return r;
6869 if (r == 0) {
6870 char **editor_args = NULL, **tmp_path, **original_path, *p;
6871 size_t n_editor_args = 0, i = 1, argc;
6872 const char **args, *editor;
6873
6874 argc = strv_length(paths)/2 + 1;
6875
6876 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
6877 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
6878 * we try to execute well known editors
6879 */
6880 editor = getenv("SYSTEMD_EDITOR");
6881 if (!editor)
6882 editor = getenv("EDITOR");
6883 if (!editor)
6884 editor = getenv("VISUAL");
6885
6886 if (!isempty(editor)) {
6887 editor_args = strv_split(editor, WHITESPACE);
6888 if (!editor_args) {
6889 (void) log_oom();
6890 _exit(EXIT_FAILURE);
6891 }
6892 n_editor_args = strv_length(editor_args);
6893 argc += n_editor_args - 1;
6894 }
6895 args = newa(const char*, argc + 1);
6896
6897 if (n_editor_args > 0) {
6898 args[0] = editor_args[0];
6899 for (; i < n_editor_args; i++)
6900 args[i] = editor_args[i];
6901 }
6902
6903 STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
6904 args[i] = *tmp_path;
6905 i++;
6906 }
6907 args[i] = NULL;
6908
6909 if (n_editor_args > 0)
6910 execvp(args[0], (char* const*) args);
6911
6912 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
6913 args[0] = p;
6914 execvp(p, (char* const*) args);
6915 /* We do not fail if the editor doesn't exist
6916 * because we want to try each one of them before
6917 * failing.
6918 */
6919 if (errno != ENOENT) {
6920 log_error_errno(errno, "Failed to execute %s: %m", editor);
6921 _exit(EXIT_FAILURE);
6922 }
6923 }
6924
6925 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
6926 _exit(EXIT_FAILURE);
6927 }
6928
6929 return 0;
6930 }
6931
6932 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
6933 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6934 char **name;
6935 int r;
6936
6937 assert(names);
6938 assert(paths);
6939
6940 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6941 if (r < 0)
6942 return r;
6943
6944 STRV_FOREACH(name, names) {
6945 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
6946 const char *unit_name;
6947
6948 r = unit_find_paths(bus, *name, &lp, &path, NULL);
6949 if (r < 0)
6950 return r;
6951
6952 if (r == 0) {
6953 assert(!path);
6954
6955 if (!arg_force) {
6956 log_error("Run 'systemctl edit%s --force %s' to create a new unit.",
6957 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
6958 arg_scope == UNIT_FILE_USER ? " --user" : "",
6959 *name);
6960 return -ENOENT;
6961 }
6962
6963 /* Create a new unit from scratch */
6964 unit_name = *name;
6965 r = unit_file_create_new(&lp, unit_name,
6966 arg_full ? NULL : ".d/override.conf",
6967 &new_path, &tmp_path);
6968 } else {
6969 assert(path);
6970
6971 unit_name = basename(path);
6972 /* We follow unit aliases, but we need to propagate the instance */
6973 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
6974 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
6975 _cleanup_free_ char *instance = NULL;
6976
6977 r = unit_name_to_instance(*name, &instance);
6978 if (r < 0)
6979 return r;
6980
6981 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
6982 if (r < 0)
6983 return r;
6984
6985 unit_name = tmp_name;
6986 }
6987
6988 if (arg_full)
6989 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
6990 else
6991 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
6992 }
6993 if (r < 0)
6994 return r;
6995
6996 r = strv_push_pair(paths, new_path, tmp_path);
6997 if (r < 0)
6998 return log_oom();
6999 new_path = tmp_path = NULL;
7000 }
7001
7002 return 0;
7003 }
7004
7005 static int edit(int argc, char *argv[], void *userdata) {
7006 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7007 _cleanup_strv_free_ char **names = NULL;
7008 _cleanup_strv_free_ char **paths = NULL;
7009 char **original, **tmp;
7010 sd_bus *bus;
7011 int r;
7012
7013 if (!on_tty()) {
7014 log_error("Cannot edit units if not on a tty.");
7015 return -EINVAL;
7016 }
7017
7018 if (arg_transport != BUS_TRANSPORT_LOCAL) {
7019 log_error("Cannot edit units remotely.");
7020 return -EINVAL;
7021 }
7022
7023 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7024 if (r < 0)
7025 return log_error_errno(r, "Failed to determine unit paths: %m");
7026
7027 r = acquire_bus(BUS_MANAGER, &bus);
7028 if (r < 0)
7029 return r;
7030
7031 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7032 if (r < 0)
7033 return log_error_errno(r, "Failed to expand names: %m");
7034
7035 STRV_FOREACH(tmp, names) {
7036 r = unit_is_masked(bus, &lp, *tmp);
7037 if (r < 0)
7038 return r;
7039
7040 if (r > 0) {
7041 log_error("Cannot edit %s: unit is masked.", *tmp);
7042 return -EINVAL;
7043 }
7044 }
7045
7046 r = find_paths_to_edit(bus, names, &paths);
7047 if (r < 0)
7048 return r;
7049
7050 if (strv_isempty(paths))
7051 return -ENOENT;
7052
7053 r = run_editor(paths);
7054 if (r < 0)
7055 goto end;
7056
7057 STRV_FOREACH_PAIR(original, tmp, paths) {
7058 /* If the temporary file is empty we ignore it.
7059 * This allows the user to cancel the modification.
7060 */
7061 if (null_or_empty_path(*tmp)) {
7062 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7063 continue;
7064 }
7065
7066 r = rename(*tmp, *original);
7067 if (r < 0) {
7068 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7069 goto end;
7070 }
7071 }
7072
7073 r = 0;
7074
7075 if (!arg_no_reload && !install_client_side())
7076 r = daemon_reload(argc, argv, userdata);
7077
7078 end:
7079 STRV_FOREACH_PAIR(original, tmp, paths) {
7080 (void) unlink(*tmp);
7081
7082 /* Removing empty dropin dirs */
7083 if (!arg_full) {
7084 _cleanup_free_ char *dir;
7085
7086 dir = dirname_malloc(*original);
7087 if (!dir)
7088 return log_oom();
7089
7090 /* no need to check if the dir is empty, rmdir
7091 * does nothing if it is not the case.
7092 */
7093 (void) rmdir(dir);
7094 }
7095 }
7096
7097 return r;
7098 }
7099
7100 static int systemctl_help(void) {
7101 _cleanup_free_ char *link = NULL;
7102 int r;
7103
7104 (void) pager_open(arg_no_pager, false);
7105
7106 r = terminal_urlify_man("systemctl", "1", &link);
7107 if (r < 0)
7108 return log_oom();
7109
7110 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7111 "Query or send control commands to the systemd manager.\n\n"
7112 " -h --help Show this help\n"
7113 " --version Show package version\n"
7114 " --system Connect to system manager\n"
7115 " --user Connect to user service manager\n"
7116 " -H --host=[USER@]HOST\n"
7117 " Operate on remote host\n"
7118 " -M --machine=CONTAINER\n"
7119 " Operate on local container\n"
7120 " -t --type=TYPE List units of a particular type\n"
7121 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7122 " -p --property=NAME Show only properties by this name\n"
7123 " -a --all Show all properties/all units currently in memory,\n"
7124 " including dead/empty ones. To list all units installed on\n"
7125 " the system, use the 'list-unit-files' command instead.\n"
7126 " --failed Same as --state=failed\n"
7127 " -l --full Don't ellipsize unit names on output\n"
7128 " -r --recursive Show unit list of host and local containers\n"
7129 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7130 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7131 " queueing a new job\n"
7132 " --show-types When showing sockets, explicitly show their type\n"
7133 " --value When showing properties, only print the value\n"
7134 " -i --ignore-inhibitors\n"
7135 " When shutting down or sleeping, ignore inhibitors\n"
7136 " --kill-who=WHO Who to send signal to\n"
7137 " -s --signal=SIGNAL Which signal to send\n"
7138 " --now Start or stop unit in addition to enabling or disabling it\n"
7139 " --dry-run Only print what would be done\n"
7140 " -q --quiet Suppress output\n"
7141 " --wait For (re)start, wait until service stopped again\n"
7142 " For is-system-running, wait until startup is completed\n"
7143 " --no-block Do not wait until operation finished\n"
7144 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7145 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7146 " --no-legend Do not print a legend (column headers and hints)\n"
7147 " --no-pager Do not pipe output into a pager\n"
7148 " --no-ask-password\n"
7149 " Do not ask for system passwords\n"
7150 " --global Enable/disable/mask unit files globally\n"
7151 " --runtime Enable/disable/mask unit files temporarily until next\n"
7152 " reboot\n"
7153 " -f --force When enabling unit files, override existing symlinks\n"
7154 " When shutting down, execute action immediately\n"
7155 " --preset-mode= Apply only enable, only disable, or all presets\n"
7156 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7157 " directory\n"
7158 " -n --lines=INTEGER Number of journal entries to show\n"
7159 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7160 " short-iso, short-iso-precise, short-full,\n"
7161 " short-monotonic, short-unix,\n"
7162 " verbose, export, json, json-pretty, json-sse, cat)\n"
7163 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7164 " --plain Print unit dependencies as a list instead of a tree\n\n"
7165 "Unit Commands:\n"
7166 " list-units [PATTERN...] List units currently in memory\n"
7167 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7168 " ordered by address\n"
7169 " list-timers [PATTERN...] List timer units currently in memory,\n"
7170 " ordered by next elapse\n"
7171 " start UNIT... Start (activate) one or more units\n"
7172 " stop UNIT... Stop (deactivate) one or more units\n"
7173 " reload UNIT... Reload one or more units\n"
7174 " restart UNIT... Start or restart one or more units\n"
7175 " try-restart UNIT... Restart one or more units if active\n"
7176 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7177 " otherwise start or restart\n"
7178 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7179 " if supported, otherwise restart\n"
7180 " isolate UNIT Start one unit and stop all others\n"
7181 " kill UNIT... Send signal to processes of a unit\n"
7182 " is-active PATTERN... Check whether units are active\n"
7183 " is-failed PATTERN... Check whether units are failed\n"
7184 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7185 " show [PATTERN...|JOB...] Show properties of one or more\n"
7186 " units/jobs or the manager\n"
7187 " cat PATTERN... Show files and drop-ins of specified units\n"
7188 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7189 " help PATTERN...|PID... Show manual for one or more units\n"
7190 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7191 " units\n"
7192 " list-dependencies [UNIT] Recursively show units which are required\n"
7193 " or wanted by this unit or by which this\n"
7194 " unit is required or wanted\n\n"
7195 "Unit File Commands:\n"
7196 " list-unit-files [PATTERN...] List installed unit files\n"
7197 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7198 " disable UNIT... Disable one or more unit files\n"
7199 " reenable UNIT... Reenable one or more unit files\n"
7200 " preset UNIT... Enable/disable one or more unit files\n"
7201 " based on preset configuration\n"
7202 " preset-all Enable/disable all unit files based on\n"
7203 " preset configuration\n"
7204 " is-enabled UNIT... Check whether unit files are enabled\n"
7205 " mask UNIT... Mask one or more units\n"
7206 " unmask UNIT... Unmask one or more units\n"
7207 " link PATH... Link one or more units files into\n"
7208 " the search path\n"
7209 " revert UNIT... Revert one or more unit files to vendor\n"
7210 " version\n"
7211 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7212 " on specified one or more units\n"
7213 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7214 " on specified one or more units\n"
7215 " edit UNIT... Edit one or more unit files\n"
7216 " get-default Get the name of the default target\n"
7217 " set-default TARGET Set the default target\n\n"
7218 "Machine Commands:\n"
7219 " list-machines [PATTERN...] List local containers and host\n\n"
7220 "Job Commands:\n"
7221 " list-jobs [PATTERN...] List jobs\n"
7222 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7223 "Environment Commands:\n"
7224 " show-environment Dump environment\n"
7225 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7226 " unset-environment VARIABLE... Unset one or more environment variables\n"
7227 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7228 "Manager Lifecycle Commands:\n"
7229 " daemon-reload Reload systemd manager configuration\n"
7230 " daemon-reexec Reexecute systemd manager\n\n"
7231 "System Commands:\n"
7232 " is-system-running Check whether system is fully running\n"
7233 " default Enter system default mode\n"
7234 " rescue Enter system rescue mode\n"
7235 " emergency Enter system emergency mode\n"
7236 " halt Shut down and halt the system\n"
7237 " poweroff Shut down and power-off the system\n"
7238 " reboot [ARG] Shut down and reboot the system\n"
7239 " kexec Shut down and reboot the system with kexec\n"
7240 " exit [EXIT_CODE] Request user instance or container exit\n"
7241 " switch-root ROOT [INIT] Change to a different root file system\n"
7242 " suspend Suspend the system\n"
7243 " hibernate Hibernate the system\n"
7244 " hybrid-sleep Hibernate and suspend the system\n"
7245 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7246 " time and put it into hibernate\n"
7247 "\nSee the %s for details.\n"
7248 , program_invocation_short_name
7249 , link
7250 );
7251
7252 return 0;
7253 }
7254
7255 static int halt_help(void) {
7256 _cleanup_free_ char *link = NULL;
7257 int r;
7258
7259 r = terminal_urlify_man("halt", "8", &link);
7260 if (r < 0)
7261 return log_oom();
7262
7263 printf("%s [OPTIONS...]%s\n\n"
7264 "%s the system.\n\n"
7265 " --help Show this help\n"
7266 " --halt Halt the machine\n"
7267 " -p --poweroff Switch off the machine\n"
7268 " --reboot Reboot the machine\n"
7269 " -f --force Force immediate halt/power-off/reboot\n"
7270 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7271 " -d --no-wtmp Don't write wtmp record\n"
7272 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7273 "\nSee the %s for details.\n"
7274 , program_invocation_short_name
7275 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7276 arg_action == ACTION_REBOOT ? "Reboot" :
7277 arg_action == ACTION_POWEROFF ? "Power off" :
7278 "Halt"
7279 , link
7280 );
7281
7282 return 0;
7283 }
7284
7285 static int shutdown_help(void) {
7286 _cleanup_free_ char *link = NULL;
7287 int r;
7288
7289 r = terminal_urlify_man("shutdown", "8", &link);
7290 if (r < 0)
7291 return log_oom();
7292
7293 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7294 "Shut down the system.\n\n"
7295 " --help Show this help\n"
7296 " -H --halt Halt the machine\n"
7297 " -P --poweroff Power-off the machine\n"
7298 " -r --reboot Reboot the machine\n"
7299 " -h Equivalent to --poweroff, overridden by --halt\n"
7300 " -k Don't halt/power-off/reboot, just send warnings\n"
7301 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7302 " -c Cancel a pending shutdown\n"
7303 "\nSee the %s for details.\n"
7304 , program_invocation_short_name
7305 , link
7306 );
7307
7308 return 0;
7309 }
7310
7311 static int telinit_help(void) {
7312 _cleanup_free_ char *link = NULL;
7313 int r;
7314
7315 r = terminal_urlify_man("telinit", "8", &link);
7316 if (r < 0)
7317 return log_oom();
7318
7319 printf("%s [OPTIONS...] {COMMAND}\n\n"
7320 "Send control commands to the init daemon.\n\n"
7321 " --help Show this help\n"
7322 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7323 "Commands:\n"
7324 " 0 Power-off the machine\n"
7325 " 6 Reboot the machine\n"
7326 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7327 " 1, s, S Enter rescue mode\n"
7328 " q, Q Reload init daemon configuration\n"
7329 " u, U Reexecute init daemon\n"
7330 "\nSee the %s for details.\n"
7331 , program_invocation_short_name
7332 , link
7333 );
7334
7335 return 0;
7336 }
7337
7338 static int runlevel_help(void) {
7339 _cleanup_free_ char *link = NULL;
7340 int r;
7341
7342 r = terminal_urlify_man("runlevel", "8", &link);
7343 if (r < 0)
7344 return log_oom();
7345
7346 printf("%s [OPTIONS...]\n\n"
7347 "Prints the previous and current runlevel of the init system.\n\n"
7348 " --help Show this help\n"
7349 "\nSee the %s for details.\n"
7350 , program_invocation_short_name
7351 , link
7352 );
7353
7354 return 0;
7355 }
7356
7357 static void help_types(void) {
7358 if (!arg_no_legend)
7359 puts("Available unit types:");
7360
7361 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7362 }
7363
7364 static void help_states(void) {
7365 if (!arg_no_legend)
7366 puts("Available unit load states:");
7367 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7368
7369 if (!arg_no_legend)
7370 puts("\nAvailable unit active states:");
7371 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7372
7373 if (!arg_no_legend)
7374 puts("\nAvailable automount unit substates:");
7375 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7376
7377 if (!arg_no_legend)
7378 puts("\nAvailable device unit substates:");
7379 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7380
7381 if (!arg_no_legend)
7382 puts("\nAvailable mount unit substates:");
7383 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7384
7385 if (!arg_no_legend)
7386 puts("\nAvailable path unit substates:");
7387 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7388
7389 if (!arg_no_legend)
7390 puts("\nAvailable scope unit substates:");
7391 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7392
7393 if (!arg_no_legend)
7394 puts("\nAvailable service unit substates:");
7395 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7396
7397 if (!arg_no_legend)
7398 puts("\nAvailable slice unit substates:");
7399 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7400
7401 if (!arg_no_legend)
7402 puts("\nAvailable socket unit substates:");
7403 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7404
7405 if (!arg_no_legend)
7406 puts("\nAvailable swap unit substates:");
7407 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7408
7409 if (!arg_no_legend)
7410 puts("\nAvailable target unit substates:");
7411 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7412
7413 if (!arg_no_legend)
7414 puts("\nAvailable timer unit substates:");
7415 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7416 }
7417
7418 static int systemctl_parse_argv(int argc, char *argv[]) {
7419 enum {
7420 ARG_FAIL = 0x100,
7421 ARG_REVERSE,
7422 ARG_AFTER,
7423 ARG_BEFORE,
7424 ARG_DRY_RUN,
7425 ARG_SHOW_TYPES,
7426 ARG_IRREVERSIBLE,
7427 ARG_IGNORE_DEPENDENCIES,
7428 ARG_VALUE,
7429 ARG_VERSION,
7430 ARG_USER,
7431 ARG_SYSTEM,
7432 ARG_GLOBAL,
7433 ARG_NO_BLOCK,
7434 ARG_NO_LEGEND,
7435 ARG_NO_PAGER,
7436 ARG_NO_WALL,
7437 ARG_ROOT,
7438 ARG_NO_RELOAD,
7439 ARG_KILL_WHO,
7440 ARG_NO_ASK_PASSWORD,
7441 ARG_FAILED,
7442 ARG_RUNTIME,
7443 ARG_PLAIN,
7444 ARG_STATE,
7445 ARG_JOB_MODE,
7446 ARG_PRESET_MODE,
7447 ARG_FIRMWARE_SETUP,
7448 ARG_NOW,
7449 ARG_MESSAGE,
7450 ARG_WAIT,
7451 };
7452
7453 static const struct option options[] = {
7454 { "help", no_argument, NULL, 'h' },
7455 { "version", no_argument, NULL, ARG_VERSION },
7456 { "type", required_argument, NULL, 't' },
7457 { "property", required_argument, NULL, 'p' },
7458 { "all", no_argument, NULL, 'a' },
7459 { "reverse", no_argument, NULL, ARG_REVERSE },
7460 { "after", no_argument, NULL, ARG_AFTER },
7461 { "before", no_argument, NULL, ARG_BEFORE },
7462 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7463 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7464 { "full", no_argument, NULL, 'l' },
7465 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7466 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7467 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7468 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7469 { "ignore-inhibitors", no_argument, NULL, 'i' },
7470 { "value", no_argument, NULL, ARG_VALUE },
7471 { "user", no_argument, NULL, ARG_USER },
7472 { "system", no_argument, NULL, ARG_SYSTEM },
7473 { "global", no_argument, NULL, ARG_GLOBAL },
7474 { "wait", no_argument, NULL, ARG_WAIT },
7475 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7476 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7477 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7478 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7479 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7480 { "quiet", no_argument, NULL, 'q' },
7481 { "root", required_argument, NULL, ARG_ROOT },
7482 { "force", no_argument, NULL, 'f' },
7483 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7484 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7485 { "signal", required_argument, NULL, 's' },
7486 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7487 { "host", required_argument, NULL, 'H' },
7488 { "machine", required_argument, NULL, 'M' },
7489 { "runtime", no_argument, NULL, ARG_RUNTIME },
7490 { "lines", required_argument, NULL, 'n' },
7491 { "output", required_argument, NULL, 'o' },
7492 { "plain", no_argument, NULL, ARG_PLAIN },
7493 { "state", required_argument, NULL, ARG_STATE },
7494 { "recursive", no_argument, NULL, 'r' },
7495 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7496 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7497 { "now", no_argument, NULL, ARG_NOW },
7498 { "message", required_argument, NULL, ARG_MESSAGE },
7499 {}
7500 };
7501
7502 const char *p;
7503 int c, r;
7504
7505 assert(argc >= 0);
7506 assert(argv);
7507
7508 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7509 arg_ask_password = true;
7510
7511 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
7512
7513 switch (c) {
7514
7515 case 'h':
7516 return systemctl_help();
7517
7518 case ARG_VERSION:
7519 return version();
7520
7521 case 't': {
7522 if (isempty(optarg)) {
7523 log_error("--type= requires arguments.");
7524 return -EINVAL;
7525 }
7526
7527 for (p = optarg;;) {
7528 _cleanup_free_ char *type = NULL;
7529
7530 r = extract_first_word(&p, &type, ",", 0);
7531 if (r < 0)
7532 return log_error_errno(r, "Failed to parse type: %s", optarg);
7533 if (r == 0)
7534 break;
7535
7536 if (streq(type, "help")) {
7537 help_types();
7538 return 0;
7539 }
7540
7541 if (unit_type_from_string(type) >= 0) {
7542 if (strv_push(&arg_types, type) < 0)
7543 return log_oom();
7544 type = NULL;
7545 continue;
7546 }
7547
7548 /* It's much nicer to use --state= for
7549 * load states, but let's support this
7550 * in --types= too for compatibility
7551 * with old versions */
7552 if (unit_load_state_from_string(type) >= 0) {
7553 if (strv_push(&arg_states, type) < 0)
7554 return log_oom();
7555 type = NULL;
7556 continue;
7557 }
7558
7559 log_error("Unknown unit type or load state '%s'.", type);
7560 log_info("Use -t help to see a list of allowed values.");
7561 return -EINVAL;
7562 }
7563
7564 break;
7565 }
7566
7567 case 'p': {
7568 /* Make sure that if the empty property list
7569 was specified, we won't show any properties. */
7570 if (isempty(optarg) && !arg_properties) {
7571 arg_properties = new0(char*, 1);
7572 if (!arg_properties)
7573 return log_oom();
7574 } else
7575 for (p = optarg;;) {
7576 _cleanup_free_ char *prop = NULL;
7577
7578 r = extract_first_word(&p, &prop, ",", 0);
7579 if (r < 0)
7580 return log_error_errno(r, "Failed to parse property: %s", optarg);
7581 if (r == 0)
7582 break;
7583
7584 if (strv_push(&arg_properties, prop) < 0)
7585 return log_oom();
7586
7587 prop = NULL;
7588 }
7589
7590 /* If the user asked for a particular
7591 * property, show it to him, even if it is
7592 * empty. */
7593 arg_all = true;
7594
7595 break;
7596 }
7597
7598 case 'a':
7599 arg_all = true;
7600 break;
7601
7602 case ARG_REVERSE:
7603 arg_dependency = DEPENDENCY_REVERSE;
7604 break;
7605
7606 case ARG_AFTER:
7607 arg_dependency = DEPENDENCY_AFTER;
7608 arg_jobs_after = true;
7609 break;
7610
7611 case ARG_BEFORE:
7612 arg_dependency = DEPENDENCY_BEFORE;
7613 arg_jobs_before = true;
7614 break;
7615
7616 case ARG_SHOW_TYPES:
7617 arg_show_types = true;
7618 break;
7619
7620 case ARG_VALUE:
7621 arg_value = true;
7622 break;
7623
7624 case ARG_JOB_MODE:
7625 arg_job_mode = optarg;
7626 break;
7627
7628 case ARG_FAIL:
7629 arg_job_mode = "fail";
7630 break;
7631
7632 case ARG_IRREVERSIBLE:
7633 arg_job_mode = "replace-irreversibly";
7634 break;
7635
7636 case ARG_IGNORE_DEPENDENCIES:
7637 arg_job_mode = "ignore-dependencies";
7638 break;
7639
7640 case ARG_USER:
7641 arg_scope = UNIT_FILE_USER;
7642 break;
7643
7644 case ARG_SYSTEM:
7645 arg_scope = UNIT_FILE_SYSTEM;
7646 break;
7647
7648 case ARG_GLOBAL:
7649 arg_scope = UNIT_FILE_GLOBAL;
7650 break;
7651
7652 case ARG_WAIT:
7653 arg_wait = true;
7654 break;
7655
7656 case ARG_NO_BLOCK:
7657 arg_no_block = true;
7658 break;
7659
7660 case ARG_NO_LEGEND:
7661 arg_no_legend = true;
7662 break;
7663
7664 case ARG_NO_PAGER:
7665 arg_no_pager = true;
7666 break;
7667
7668 case ARG_NO_WALL:
7669 arg_no_wall = true;
7670 break;
7671
7672 case ARG_ROOT:
7673 r = parse_path_argument_and_warn(optarg, false, &arg_root);
7674 if (r < 0)
7675 return r;
7676 break;
7677
7678 case 'l':
7679 arg_full = true;
7680 break;
7681
7682 case ARG_FAILED:
7683 if (strv_extend(&arg_states, "failed") < 0)
7684 return log_oom();
7685
7686 break;
7687
7688 case ARG_DRY_RUN:
7689 arg_dry_run = true;
7690 break;
7691
7692 case 'q':
7693 arg_quiet = true;
7694 break;
7695
7696 case 'f':
7697 arg_force++;
7698 break;
7699
7700 case ARG_NO_RELOAD:
7701 arg_no_reload = true;
7702 break;
7703
7704 case ARG_KILL_WHO:
7705 arg_kill_who = optarg;
7706 break;
7707
7708 case 's':
7709 if (streq(optarg, "help")) {
7710 DUMP_STRING_TABLE(signal, int, _NSIG);
7711 return 0;
7712 }
7713
7714 arg_signal = signal_from_string(optarg);
7715 if (arg_signal < 0) {
7716 log_error("Failed to parse signal string %s.", optarg);
7717 return -EINVAL;
7718 }
7719 break;
7720
7721 case ARG_NO_ASK_PASSWORD:
7722 arg_ask_password = false;
7723 break;
7724
7725 case 'H':
7726 arg_transport = BUS_TRANSPORT_REMOTE;
7727 arg_host = optarg;
7728 break;
7729
7730 case 'M':
7731 arg_transport = BUS_TRANSPORT_MACHINE;
7732 arg_host = optarg;
7733 break;
7734
7735 case ARG_RUNTIME:
7736 arg_runtime = true;
7737 break;
7738
7739 case 'n':
7740 if (safe_atou(optarg, &arg_lines) < 0) {
7741 log_error("Failed to parse lines '%s'", optarg);
7742 return -EINVAL;
7743 }
7744 break;
7745
7746 case 'o':
7747 if (streq(optarg, "help")) {
7748 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
7749 return 0;
7750 }
7751
7752 arg_output = output_mode_from_string(optarg);
7753 if (arg_output < 0) {
7754 log_error("Unknown output '%s'.", optarg);
7755 return -EINVAL;
7756 }
7757 break;
7758
7759 case 'i':
7760 arg_ignore_inhibitors = true;
7761 break;
7762
7763 case ARG_PLAIN:
7764 arg_plain = true;
7765 break;
7766
7767 case ARG_FIRMWARE_SETUP:
7768 arg_firmware_setup = true;
7769 break;
7770
7771 case ARG_STATE: {
7772 if (isempty(optarg)) {
7773 log_error("--state= requires arguments.");
7774 return -EINVAL;
7775 }
7776
7777 for (p = optarg;;) {
7778 _cleanup_free_ char *s = NULL;
7779
7780 r = extract_first_word(&p, &s, ",", 0);
7781 if (r < 0)
7782 return log_error_errno(r, "Failed to parse state: %s", optarg);
7783 if (r == 0)
7784 break;
7785
7786 if (streq(s, "help")) {
7787 help_states();
7788 return 0;
7789 }
7790
7791 if (strv_push(&arg_states, s) < 0)
7792 return log_oom();
7793
7794 s = NULL;
7795 }
7796 break;
7797 }
7798
7799 case 'r':
7800 if (geteuid() != 0) {
7801 log_error("--recursive requires root privileges.");
7802 return -EPERM;
7803 }
7804
7805 arg_recursive = true;
7806 break;
7807
7808 case ARG_PRESET_MODE:
7809 if (streq(optarg, "help")) {
7810 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
7811 return 0;
7812 }
7813
7814 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
7815 if (arg_preset_mode < 0) {
7816 log_error("Failed to parse preset mode: %s.", optarg);
7817 return -EINVAL;
7818 }
7819
7820 break;
7821
7822 case ARG_NOW:
7823 arg_now = true;
7824 break;
7825
7826 case ARG_MESSAGE:
7827 if (strv_extend(&arg_wall, optarg) < 0)
7828 return log_oom();
7829 break;
7830
7831 case '?':
7832 return -EINVAL;
7833
7834 default:
7835 assert_not_reached("Unhandled option");
7836 }
7837
7838 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
7839 log_error("Cannot access user instance remotely.");
7840 return -EINVAL;
7841 }
7842
7843 if (arg_wait && arg_no_block) {
7844 log_error("--wait may not be combined with --no-block.");
7845 return -EINVAL;
7846 }
7847
7848 if (arg_runtime && STRPTR_IN_SET(argv[optind], "disable", "unmask", "preset", "preset-all")) {
7849 log_error("--runtime cannot be used with %s", argv[optind]);
7850 return -EINVAL;
7851 }
7852
7853 return 1;
7854 }
7855
7856 static int halt_parse_argv(int argc, char *argv[]) {
7857 enum {
7858 ARG_HELP = 0x100,
7859 ARG_HALT,
7860 ARG_REBOOT,
7861 ARG_NO_WALL
7862 };
7863
7864 static const struct option options[] = {
7865 { "help", no_argument, NULL, ARG_HELP },
7866 { "halt", no_argument, NULL, ARG_HALT },
7867 { "poweroff", no_argument, NULL, 'p' },
7868 { "reboot", no_argument, NULL, ARG_REBOOT },
7869 { "force", no_argument, NULL, 'f' },
7870 { "wtmp-only", no_argument, NULL, 'w' },
7871 { "no-wtmp", no_argument, NULL, 'd' },
7872 { "no-sync", no_argument, NULL, 'n' },
7873 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7874 {}
7875 };
7876
7877 int c, r, runlevel;
7878
7879 assert(argc >= 0);
7880 assert(argv);
7881
7882 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
7883 if (IN_SET(runlevel, '0', '6'))
7884 arg_force = 2;
7885
7886 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
7887 switch (c) {
7888
7889 case ARG_HELP:
7890 return halt_help();
7891
7892 case ARG_HALT:
7893 arg_action = ACTION_HALT;
7894 break;
7895
7896 case 'p':
7897 if (arg_action != ACTION_REBOOT)
7898 arg_action = ACTION_POWEROFF;
7899 break;
7900
7901 case ARG_REBOOT:
7902 arg_action = ACTION_REBOOT;
7903 break;
7904
7905 case 'f':
7906 arg_force = 2;
7907 break;
7908
7909 case 'w':
7910 arg_dry_run = true;
7911 break;
7912
7913 case 'd':
7914 arg_no_wtmp = true;
7915 break;
7916
7917 case 'n':
7918 arg_no_sync = true;
7919 break;
7920
7921 case ARG_NO_WALL:
7922 arg_no_wall = true;
7923 break;
7924
7925 case 'i':
7926 case 'h':
7927 /* Compatibility nops */
7928 break;
7929
7930 case '?':
7931 return -EINVAL;
7932
7933 default:
7934 assert_not_reached("Unhandled option");
7935 }
7936
7937 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
7938 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
7939 if (r < 0)
7940 return r;
7941 } else if (optind < argc) {
7942 log_error("Too many arguments.");
7943 return -EINVAL;
7944 }
7945
7946 return 1;
7947 }
7948
7949 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
7950 assert(t);
7951 assert(_u);
7952
7953 if (streq(t, "now"))
7954 *_u = 0;
7955 else if (!strchr(t, ':')) {
7956 uint64_t u;
7957
7958 if (safe_atou64(t, &u) < 0)
7959 return -EINVAL;
7960
7961 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
7962 } else {
7963 char *e = NULL;
7964 long hour, minute;
7965 struct tm tm = {};
7966 time_t s;
7967 usec_t n;
7968
7969 errno = 0;
7970 hour = strtol(t, &e, 10);
7971 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
7972 return -EINVAL;
7973
7974 minute = strtol(e+1, &e, 10);
7975 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
7976 return -EINVAL;
7977
7978 n = now(CLOCK_REALTIME);
7979 s = (time_t) (n / USEC_PER_SEC);
7980
7981 assert_se(localtime_r(&s, &tm));
7982
7983 tm.tm_hour = (int) hour;
7984 tm.tm_min = (int) minute;
7985 tm.tm_sec = 0;
7986
7987 s = mktime(&tm);
7988 assert(s >= 0);
7989
7990 *_u = (usec_t) s * USEC_PER_SEC;
7991
7992 while (*_u <= n)
7993 *_u += USEC_PER_DAY;
7994 }
7995
7996 return 0;
7997 }
7998
7999 static int shutdown_parse_argv(int argc, char *argv[]) {
8000 enum {
8001 ARG_HELP = 0x100,
8002 ARG_NO_WALL
8003 };
8004
8005 static const struct option options[] = {
8006 { "help", no_argument, NULL, ARG_HELP },
8007 { "halt", no_argument, NULL, 'H' },
8008 { "poweroff", no_argument, NULL, 'P' },
8009 { "reboot", no_argument, NULL, 'r' },
8010 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8011 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8012 {}
8013 };
8014
8015 char **wall = NULL;
8016 int c, r;
8017
8018 assert(argc >= 0);
8019 assert(argv);
8020
8021 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8022 switch (c) {
8023
8024 case ARG_HELP:
8025 return shutdown_help();
8026
8027 case 'H':
8028 arg_action = ACTION_HALT;
8029 break;
8030
8031 case 'P':
8032 arg_action = ACTION_POWEROFF;
8033 break;
8034
8035 case 'r':
8036 if (kexec_loaded())
8037 arg_action = ACTION_KEXEC;
8038 else
8039 arg_action = ACTION_REBOOT;
8040 break;
8041
8042 case 'K':
8043 arg_action = ACTION_KEXEC;
8044 break;
8045
8046 case 'h':
8047 if (arg_action != ACTION_HALT)
8048 arg_action = ACTION_POWEROFF;
8049 break;
8050
8051 case 'k':
8052 arg_dry_run = true;
8053 break;
8054
8055 case ARG_NO_WALL:
8056 arg_no_wall = true;
8057 break;
8058
8059 case 'a':
8060 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8061 case 'f':
8062 case 'F':
8063 /* Compatibility nops */
8064 break;
8065
8066 case 'c':
8067 arg_action = ACTION_CANCEL_SHUTDOWN;
8068 break;
8069
8070 case '?':
8071 return -EINVAL;
8072
8073 default:
8074 assert_not_reached("Unhandled option");
8075 }
8076
8077 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8078 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8079 if (r < 0) {
8080 log_error("Failed to parse time specification: %s", argv[optind]);
8081 return r;
8082 }
8083 } else
8084 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8085
8086 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8087 /* No time argument for shutdown cancel */
8088 wall = argv + optind;
8089 else if (argc > optind + 1)
8090 /* We skip the time argument */
8091 wall = argv + optind + 1;
8092
8093 if (wall) {
8094 arg_wall = strv_copy(wall);
8095 if (!arg_wall)
8096 return log_oom();
8097 }
8098
8099 optind = argc;
8100
8101 return 1;
8102 }
8103
8104 static int telinit_parse_argv(int argc, char *argv[]) {
8105 enum {
8106 ARG_HELP = 0x100,
8107 ARG_NO_WALL
8108 };
8109
8110 static const struct option options[] = {
8111 { "help", no_argument, NULL, ARG_HELP },
8112 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8113 {}
8114 };
8115
8116 static const struct {
8117 char from;
8118 enum action to;
8119 } table[] = {
8120 { '0', ACTION_POWEROFF },
8121 { '6', ACTION_REBOOT },
8122 { '1', ACTION_RESCUE },
8123 { '2', ACTION_RUNLEVEL2 },
8124 { '3', ACTION_RUNLEVEL3 },
8125 { '4', ACTION_RUNLEVEL4 },
8126 { '5', ACTION_RUNLEVEL5 },
8127 { 's', ACTION_RESCUE },
8128 { 'S', ACTION_RESCUE },
8129 { 'q', ACTION_RELOAD },
8130 { 'Q', ACTION_RELOAD },
8131 { 'u', ACTION_REEXEC },
8132 { 'U', ACTION_REEXEC }
8133 };
8134
8135 unsigned i;
8136 int c;
8137
8138 assert(argc >= 0);
8139 assert(argv);
8140
8141 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8142 switch (c) {
8143
8144 case ARG_HELP:
8145 return telinit_help();
8146
8147 case ARG_NO_WALL:
8148 arg_no_wall = true;
8149 break;
8150
8151 case '?':
8152 return -EINVAL;
8153
8154 default:
8155 assert_not_reached("Unhandled option");
8156 }
8157
8158 if (optind >= argc) {
8159 log_error("%s: required argument missing.", program_invocation_short_name);
8160 return -EINVAL;
8161 }
8162
8163 if (optind + 1 < argc) {
8164 log_error("Too many arguments.");
8165 return -EINVAL;
8166 }
8167
8168 if (strlen(argv[optind]) != 1) {
8169 log_error("Expected single character argument.");
8170 return -EINVAL;
8171 }
8172
8173 for (i = 0; i < ELEMENTSOF(table); i++)
8174 if (table[i].from == argv[optind][0])
8175 break;
8176
8177 if (i >= ELEMENTSOF(table)) {
8178 log_error("Unknown command '%s'.", argv[optind]);
8179 return -EINVAL;
8180 }
8181
8182 arg_action = table[i].to;
8183
8184 optind++;
8185
8186 return 1;
8187 }
8188
8189 static int runlevel_parse_argv(int argc, char *argv[]) {
8190 enum {
8191 ARG_HELP = 0x100,
8192 };
8193
8194 static const struct option options[] = {
8195 { "help", no_argument, NULL, ARG_HELP },
8196 {}
8197 };
8198
8199 int c;
8200
8201 assert(argc >= 0);
8202 assert(argv);
8203
8204 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8205 switch (c) {
8206
8207 case ARG_HELP:
8208 return runlevel_help();
8209
8210 case '?':
8211 return -EINVAL;
8212
8213 default:
8214 assert_not_reached("Unhandled option");
8215 }
8216
8217 if (optind < argc) {
8218 log_error("Too many arguments.");
8219 return -EINVAL;
8220 }
8221
8222 return 1;
8223 }
8224
8225 static int parse_argv(int argc, char *argv[]) {
8226 assert(argc >= 0);
8227 assert(argv);
8228
8229 if (program_invocation_short_name) {
8230
8231 if (strstr(program_invocation_short_name, "halt")) {
8232 arg_action = ACTION_HALT;
8233 return halt_parse_argv(argc, argv);
8234
8235 } else if (strstr(program_invocation_short_name, "poweroff")) {
8236 arg_action = ACTION_POWEROFF;
8237 return halt_parse_argv(argc, argv);
8238
8239 } else if (strstr(program_invocation_short_name, "reboot")) {
8240 if (kexec_loaded())
8241 arg_action = ACTION_KEXEC;
8242 else
8243 arg_action = ACTION_REBOOT;
8244 return halt_parse_argv(argc, argv);
8245
8246 } else if (strstr(program_invocation_short_name, "shutdown")) {
8247 arg_action = ACTION_POWEROFF;
8248 return shutdown_parse_argv(argc, argv);
8249
8250 } else if (strstr(program_invocation_short_name, "init")) {
8251
8252 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8253 * 1 on SysV.
8254 *
8255 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8256 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8257 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8258 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8259 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8260 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8261 * quick way to match both.
8262 *
8263 * Also see redirect_telinit() in src/core/main.c. */
8264
8265 if (sd_booted() > 0) {
8266 arg_action = _ACTION_INVALID;
8267 return telinit_parse_argv(argc, argv);
8268 } else {
8269 /* Hmm, so some other init system is running, we need to forward this request to
8270 * it. For now we simply guess that it is Upstart. */
8271
8272 execv(TELINIT, argv);
8273
8274 log_error("Couldn't find an alternative telinit implementation to spawn.");
8275 return -EIO;
8276 }
8277
8278 } else if (strstr(program_invocation_short_name, "runlevel")) {
8279 arg_action = ACTION_RUNLEVEL;
8280 return runlevel_parse_argv(argc, argv);
8281 }
8282 }
8283
8284 arg_action = ACTION_SYSTEMCTL;
8285 return systemctl_parse_argv(argc, argv);
8286 }
8287
8288 #if HAVE_SYSV_COMPAT
8289 _pure_ static int action_to_runlevel(void) {
8290 static const char table[_ACTION_MAX] = {
8291 [ACTION_HALT] = '0',
8292 [ACTION_POWEROFF] = '0',
8293 [ACTION_REBOOT] = '6',
8294 [ACTION_RUNLEVEL2] = '2',
8295 [ACTION_RUNLEVEL3] = '3',
8296 [ACTION_RUNLEVEL4] = '4',
8297 [ACTION_RUNLEVEL5] = '5',
8298 [ACTION_RESCUE] = '1'
8299 };
8300
8301 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8302
8303 return table[arg_action];
8304 }
8305 #endif
8306
8307 static int talk_initctl(void) {
8308 #if HAVE_SYSV_COMPAT
8309 struct init_request request = {
8310 .magic = INIT_MAGIC,
8311 .sleeptime = 0,
8312 .cmd = INIT_CMD_RUNLVL
8313 };
8314
8315 _cleanup_close_ int fd = -1;
8316 char rl;
8317 int r;
8318 const char *p;
8319
8320 rl = action_to_runlevel();
8321 if (!rl)
8322 return 0;
8323
8324 request.runlevel = rl;
8325
8326 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8327 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8328 if (fd >= 0 || errno != ENOENT)
8329 break;
8330 }
8331 if (fd < 0) {
8332 if (errno == ENOENT)
8333 return 0;
8334
8335 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8336 }
8337
8338 r = loop_write(fd, &request, sizeof(request), false);
8339 if (r < 0)
8340 return log_error_errno(r, "Failed to write to %s: %m", p);
8341
8342 return 1;
8343 #else
8344 return 0;
8345 #endif
8346 }
8347
8348 static int systemctl_main(int argc, char *argv[]) {
8349 static const Verb verbs[] = {
8350 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8351 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8352 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8353 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8354 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8355 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8356 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8357 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8358 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8359 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8360 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8361 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8362 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8363 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8364 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8365 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8366 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8367 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8368 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8369 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8370 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8371 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8372 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8373 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8374 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8375 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8376 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8377 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8378 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8379 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8380 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8381 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8382 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8383 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8384 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8385 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8386 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8387 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8388 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8389 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8390 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8391 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8392 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8393 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8394 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8395 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8396 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8397 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8398 { "enable", 2, VERB_ANY, 0, enable_unit },
8399 { "disable", 2, VERB_ANY, 0, enable_unit },
8400 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8401 { "reenable", 2, VERB_ANY, 0, enable_unit },
8402 { "preset", 2, VERB_ANY, 0, enable_unit },
8403 { "preset-all", VERB_ANY, 1, 0, preset_all },
8404 { "mask", 2, VERB_ANY, 0, enable_unit },
8405 { "unmask", 2, VERB_ANY, 0, enable_unit },
8406 { "link", 2, VERB_ANY, 0, enable_unit },
8407 { "revert", 2, VERB_ANY, 0, enable_unit },
8408 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8409 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8410 { "set-default", 2, 2, 0, set_default },
8411 { "get-default", VERB_ANY, 1, 0, get_default },
8412 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8413 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8414 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8415 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8416 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8417 {}
8418 };
8419
8420 return dispatch_verb(argc, argv, verbs, NULL);
8421 }
8422
8423 static int reload_with_fallback(void) {
8424 /* First, try systemd via D-Bus. */
8425 if (daemon_reload(0, NULL, NULL) >= 0)
8426 return 0;
8427
8428 /* Nothing else worked, so let's try signals */
8429 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8430
8431 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8432 return log_error_errno(errno, "kill() failed: %m");
8433
8434 return 0;
8435 }
8436
8437 static int start_with_fallback(void) {
8438 /* First, try systemd via D-Bus. */
8439 if (start_unit(0, NULL, NULL) >= 0)
8440 return 0;
8441
8442 /* Nothing else worked, so let's try /dev/initctl */
8443 if (talk_initctl() > 0)
8444 return 0;
8445
8446 log_error("Failed to talk to init daemon.");
8447 return -EIO;
8448 }
8449
8450 static int halt_now(enum action a) {
8451 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8452 * synce'd explicitly in advance. */
8453 if (!arg_no_sync && !arg_dry_run)
8454 (void) sync();
8455
8456 /* Make sure C-A-D is handled by the kernel from this point on... */
8457 if (!arg_dry_run)
8458 (void) reboot(RB_ENABLE_CAD);
8459
8460 switch (a) {
8461
8462 case ACTION_HALT:
8463 if (!arg_quiet)
8464 log_info("Halting.");
8465 if (arg_dry_run)
8466 return 0;
8467 (void) reboot(RB_HALT_SYSTEM);
8468 return -errno;
8469
8470 case ACTION_POWEROFF:
8471 if (!arg_quiet)
8472 log_info("Powering off.");
8473 if (arg_dry_run)
8474 return 0;
8475 (void) reboot(RB_POWER_OFF);
8476 return -errno;
8477
8478 case ACTION_KEXEC:
8479 case ACTION_REBOOT:
8480 return reboot_with_parameter(REBOOT_FALLBACK |
8481 (arg_quiet ? 0 : REBOOT_LOG) |
8482 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8483
8484 default:
8485 assert_not_reached("Unknown action.");
8486 }
8487 }
8488
8489 static int logind_schedule_shutdown(void) {
8490
8491 #if ENABLE_LOGIND
8492 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8493 char date[FORMAT_TIMESTAMP_MAX];
8494 const char *action;
8495 sd_bus *bus;
8496 int r;
8497
8498 r = acquire_bus(BUS_FULL, &bus);
8499 if (r < 0)
8500 return r;
8501
8502 switch (arg_action) {
8503 case ACTION_HALT:
8504 action = "halt";
8505 break;
8506 case ACTION_POWEROFF:
8507 action = "poweroff";
8508 break;
8509 case ACTION_KEXEC:
8510 action = "kexec";
8511 break;
8512 case ACTION_EXIT:
8513 action = "exit";
8514 break;
8515 case ACTION_REBOOT:
8516 default:
8517 action = "reboot";
8518 break;
8519 }
8520
8521 if (arg_dry_run)
8522 action = strjoina("dry-", action);
8523
8524 (void) logind_set_wall_message();
8525
8526 r = sd_bus_call_method(
8527 bus,
8528 "org.freedesktop.login1",
8529 "/org/freedesktop/login1",
8530 "org.freedesktop.login1.Manager",
8531 "ScheduleShutdown",
8532 &error,
8533 NULL,
8534 "st",
8535 action,
8536 arg_when);
8537 if (r < 0)
8538 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8539
8540 if (!arg_quiet)
8541 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8542 return 0;
8543 #else
8544 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8545 return -ENOSYS;
8546 #endif
8547 }
8548
8549 static int halt_main(void) {
8550 int r;
8551
8552 r = logind_check_inhibitors(arg_action);
8553 if (r < 0)
8554 return r;
8555
8556 /* Delayed shutdown requested, and was successful */
8557 if (arg_when > 0 && logind_schedule_shutdown() == 0)
8558 return 0;
8559 /* no delay, or logind failed or is not at all available */
8560
8561 if (geteuid() != 0) {
8562 if (arg_dry_run || arg_force > 0) {
8563 (void) must_be_root();
8564 return -EPERM;
8565 }
8566
8567 /* Try logind if we are a normal user and no special
8568 * mode applies. Maybe polkit allows us to shutdown
8569 * the machine. */
8570 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
8571 r = logind_reboot(arg_action);
8572 if (r >= 0)
8573 return r;
8574 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
8575 /* requested operation is not
8576 * supported on the local system or
8577 * already in progress */
8578 return r;
8579 /* on all other errors, try low-level operation */
8580 }
8581 }
8582
8583 /* In order to minimize the difference between operation with and
8584 * without logind, we explicitly enable non-blocking mode for this,
8585 * as logind's shutdown operations are always non-blocking. */
8586 arg_no_block = true;
8587
8588 if (!arg_dry_run && !arg_force)
8589 return start_with_fallback();
8590
8591 assert(geteuid() == 0);
8592
8593 if (!arg_no_wtmp) {
8594 if (sd_booted() > 0)
8595 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
8596 else {
8597 r = utmp_put_shutdown();
8598 if (r < 0)
8599 log_warning_errno(r, "Failed to write utmp record: %m");
8600 }
8601 }
8602
8603 if (arg_dry_run)
8604 return 0;
8605
8606 r = halt_now(arg_action);
8607 return log_error_errno(r, "Failed to reboot: %m");
8608 }
8609
8610 static int runlevel_main(void) {
8611 int r, runlevel, previous;
8612
8613 r = utmp_get_runlevel(&runlevel, &previous);
8614 if (r < 0) {
8615 puts("unknown");
8616 return r;
8617 }
8618
8619 printf("%c %c\n",
8620 previous <= 0 ? 'N' : previous,
8621 runlevel <= 0 ? 'N' : runlevel);
8622
8623 return 0;
8624 }
8625
8626 static int logind_cancel_shutdown(void) {
8627 #if ENABLE_LOGIND
8628 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8629 sd_bus *bus;
8630 int r;
8631
8632 r = acquire_bus(BUS_FULL, &bus);
8633 if (r < 0)
8634 return r;
8635
8636 (void) logind_set_wall_message();
8637
8638 r = sd_bus_call_method(
8639 bus,
8640 "org.freedesktop.login1",
8641 "/org/freedesktop/login1",
8642 "org.freedesktop.login1.Manager",
8643 "CancelScheduledShutdown",
8644 &error,
8645 NULL, NULL);
8646 if (r < 0)
8647 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
8648
8649 return 0;
8650 #else
8651 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
8652 return -ENOSYS;
8653 #endif
8654 }
8655
8656 int main(int argc, char*argv[]) {
8657 int r;
8658
8659 argv_cmdline = argv[0];
8660
8661 setlocale(LC_ALL, "");
8662 log_parse_environment();
8663 log_open();
8664 sigbus_install();
8665
8666 /* Explicitly not on_tty() to avoid setting cached value.
8667 * This becomes relevant for piping output which might be
8668 * ellipsized. */
8669 original_stdout_is_tty = isatty(STDOUT_FILENO);
8670
8671 r = parse_argv(argc, argv);
8672 if (r <= 0)
8673 goto finish;
8674
8675 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
8676
8677 if (!arg_quiet)
8678 log_info("Running in chroot, ignoring request.");
8679 r = 0;
8680 goto finish;
8681 }
8682
8683 /* systemctl_main() will print an error message for the bus
8684 * connection, but only if it needs to */
8685
8686 switch (arg_action) {
8687
8688 case ACTION_SYSTEMCTL:
8689 r = systemctl_main(argc, argv);
8690 break;
8691
8692 /* Legacy command aliases set arg_action. They provide some fallbacks,
8693 * e.g. to tell sysvinit to reboot after you have installed systemd
8694 * binaries. */
8695
8696 case ACTION_HALT:
8697 case ACTION_POWEROFF:
8698 case ACTION_REBOOT:
8699 case ACTION_KEXEC:
8700 r = halt_main();
8701 break;
8702
8703 case ACTION_RUNLEVEL2:
8704 case ACTION_RUNLEVEL3:
8705 case ACTION_RUNLEVEL4:
8706 case ACTION_RUNLEVEL5:
8707 case ACTION_RESCUE:
8708 r = start_with_fallback();
8709 break;
8710
8711 case ACTION_RELOAD:
8712 case ACTION_REEXEC:
8713 r = reload_with_fallback();
8714 break;
8715
8716 case ACTION_CANCEL_SHUTDOWN:
8717 r = logind_cancel_shutdown();
8718 break;
8719
8720 case ACTION_RUNLEVEL:
8721 r = runlevel_main();
8722 break;
8723
8724 case ACTION_EXIT:
8725 case ACTION_SUSPEND:
8726 case ACTION_HIBERNATE:
8727 case ACTION_HYBRID_SLEEP:
8728 case ACTION_SUSPEND_THEN_HIBERNATE:
8729 case ACTION_EMERGENCY:
8730 case ACTION_DEFAULT:
8731 /* systemctl verbs with no equivalent in the legacy commands.
8732 * These cannot appear in arg_action. Fall through. */
8733
8734 case _ACTION_INVALID:
8735 default:
8736 assert_not_reached("Unknown action");
8737 }
8738
8739 finish:
8740 release_busses();
8741
8742 pager_close();
8743 ask_password_agent_close();
8744 polkit_agent_close();
8745
8746 strv_free(arg_types);
8747 strv_free(arg_states);
8748 strv_free(arg_properties);
8749
8750 strv_free(arg_wall);
8751 free(arg_root);
8752 free(arg_esp_path);
8753
8754 /* Note that we return r here, not EXIT_SUCCESS, so that we can implement the LSB-like return codes */
8755 return r < 0 ? EXIT_FAILURE : r;
8756 }
Unnamed repository; edit this file 'description' to name the repository.