]> 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 #10495 from poettering/login-boot-hookup
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/mount.h>
12 #include <sys/prctl.h>
13 #include <sys/reboot.h>
14 #include <sys/socket.h>
15 #include <unistd.h>
16
17 #include "sd-bus.h"
18 #include "sd-daemon.h"
19 #include "sd-event.h"
20 #include "sd-login.h"
21
22 #include "alloc-util.h"
23 #include "bootspec.h"
24 #include "bus-common-errors.h"
25 #include "bus-error.h"
26 #include "bus-message.h"
27 #include "bus-unit-util.h"
28 #include "bus-util.h"
29 #include "cgroup-show.h"
30 #include "cgroup-util.h"
31 #include "copy.h"
32 #include "dropin.h"
33 #include "efivars.h"
34 #include "env-util.h"
35 #include "escape.h"
36 #include "exit-status.h"
37 #include "fd-util.h"
38 #include "format-util.h"
39 #include "fs-util.h"
40 #include "glob-util.h"
41 #include "hexdecoct.h"
42 #include "hostname-util.h"
43 #include "initreq.h"
44 #include "install.h"
45 #include "in-addr-util.h"
46 #include "io-util.h"
47 #include "journal-util.h"
48 #include "list.h"
49 #include "locale-util.h"
50 #include "log.h"
51 #include "logs-show.h"
52 #include "macro.h"
53 #include "main-func.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 "pretty-print.h"
60 #include "proc-cmdline.h"
61 #include "process-util.h"
62 #include "reboot-util.h"
63 #include "rlimit-util.h"
64 #include "set.h"
65 #include "sigbus.h"
66 #include "signal-util.h"
67 #include "socket-util.h"
68 #include "spawn-ask-password-agent.h"
69 #include "spawn-polkit-agent.h"
70 #include "special.h"
71 #include "stat-util.h"
72 #include "string-table.h"
73 #include "strv.h"
74 #include "terminal-util.h"
75 #include "tmpfile-util.h"
76 #include "unit-def.h"
77 #include "unit-name.h"
78 #include "user-util.h"
79 #include "utf8.h"
80 #include "util.h"
81 #include "utmp-wtmp.h"
82 #include "verbs.h"
83 #include "virt.h"
84
85 /* The init script exit status codes
86 0 program is running or service is OK
87 1 program is dead and /var/run pid file exists
88 2 program is dead and /var/lock lock file exists
89 3 program is not running
90 4 program or service status is unknown
91 5-99 reserved for future LSB use
92 100-149 reserved for distribution use
93 150-199 reserved for application use
94 200-254 reserved
95 */
96 enum {
97 EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0,
98 EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1,
99 EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2,
100 EXIT_PROGRAM_NOT_RUNNING = 3,
101 EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4,
102 };
103
104 static char **arg_types = NULL;
105 static char **arg_states = NULL;
106 static char **arg_properties = NULL;
107 static bool arg_all = false;
108 static enum dependency {
109 DEPENDENCY_FORWARD,
110 DEPENDENCY_REVERSE,
111 DEPENDENCY_AFTER,
112 DEPENDENCY_BEFORE,
113 _DEPENDENCY_MAX
114 } arg_dependency = DEPENDENCY_FORWARD;
115 static const char *arg_job_mode = "replace";
116 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
117 static bool arg_wait = false;
118 static bool arg_no_block = false;
119 static bool arg_no_legend = false;
120 static PagerFlags arg_pager_flags = 0;
121 static bool arg_no_wtmp = false;
122 static bool arg_no_sync = false;
123 static bool arg_no_wall = false;
124 static bool arg_no_reload = false;
125 static bool arg_value = false;
126 static bool arg_show_types = false;
127 static bool arg_ignore_inhibitors = false;
128 static bool arg_dry_run = false;
129 static bool arg_quiet = false;
130 static bool arg_full = false;
131 static bool arg_recursive = false;
132 static int arg_force = 0;
133 static bool arg_ask_password = false;
134 static bool arg_runtime = false;
135 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
136 static char **arg_wall = NULL;
137 static const char *arg_kill_who = NULL;
138 static int arg_signal = SIGTERM;
139 static char *arg_root = NULL;
140 static usec_t arg_when = 0;
141 static char *argv_cmdline = NULL;
142 static enum action {
143 ACTION_SYSTEMCTL,
144 ACTION_HALT,
145 ACTION_POWEROFF,
146 ACTION_REBOOT,
147 ACTION_KEXEC,
148 ACTION_EXIT,
149 ACTION_SUSPEND,
150 ACTION_HIBERNATE,
151 ACTION_HYBRID_SLEEP,
152 ACTION_SUSPEND_THEN_HIBERNATE,
153 ACTION_RUNLEVEL2,
154 ACTION_RUNLEVEL3,
155 ACTION_RUNLEVEL4,
156 ACTION_RUNLEVEL5,
157 ACTION_RESCUE,
158 ACTION_EMERGENCY,
159 ACTION_DEFAULT,
160 ACTION_RELOAD,
161 ACTION_REEXEC,
162 ACTION_RUNLEVEL,
163 ACTION_CANCEL_SHUTDOWN,
164 _ACTION_MAX,
165 _ACTION_INVALID = -1
166 } arg_action = ACTION_SYSTEMCTL;
167 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
168 static const char *arg_host = NULL;
169 static unsigned arg_lines = 10;
170 static OutputMode arg_output = OUTPUT_SHORT;
171 static bool arg_plain = false;
172 static bool arg_firmware_setup = false;
173 static usec_t arg_boot_loader_menu = USEC_INFINITY;
174 static const char *arg_boot_loader_entry = NULL;
175 static bool arg_now = false;
176 static bool arg_jobs_before = false;
177 static bool arg_jobs_after = false;
178
179 static int daemon_reload(int argc, char *argv[], void* userdata);
180 static int trivial_method(int argc, char *argv[], void *userdata);
181 static int halt_now(enum action a);
182 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
183
184 static bool original_stdout_is_tty;
185
186 typedef enum BusFocus {
187 BUS_FULL, /* The full bus indicated via --system or --user */
188 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
189 _BUS_FOCUS_MAX
190 } BusFocus;
191
192 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
193
194 static UnitFileFlags args_to_flags(void) {
195 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
196 (arg_force ? UNIT_FILE_FORCE : 0);
197 }
198
199 static int acquire_bus(BusFocus focus, sd_bus **ret) {
200 int r;
201
202 assert(focus < _BUS_FOCUS_MAX);
203 assert(ret);
204
205 /* We only go directly to the manager, if we are using a local transport */
206 if (arg_transport != BUS_TRANSPORT_LOCAL)
207 focus = BUS_FULL;
208
209 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
210 focus = BUS_FULL;
211
212 if (!busses[focus]) {
213 bool user;
214
215 user = arg_scope != UNIT_FILE_SYSTEM;
216
217 if (focus == BUS_MANAGER)
218 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
219 else
220 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
221 if (r < 0)
222 return log_error_errno(r, "Failed to connect to bus: %m");
223
224 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
225 }
226
227 *ret = busses[focus];
228 return 0;
229 }
230
231 static void release_busses(void) {
232 BusFocus w;
233
234 for (w = 0; w < _BUS_FOCUS_MAX; w++)
235 busses[w] = sd_bus_flush_close_unref(busses[w]);
236 }
237
238 static void ask_password_agent_open_if_enabled(void) {
239 /* Open the password agent as a child process if necessary */
240
241 if (arg_dry_run)
242 return;
243
244 if (!arg_ask_password)
245 return;
246
247 if (arg_scope != UNIT_FILE_SYSTEM)
248 return;
249
250 if (arg_transport != BUS_TRANSPORT_LOCAL)
251 return;
252
253 ask_password_agent_open();
254 }
255
256 static void polkit_agent_open_maybe(void) {
257 /* Open the polkit agent as a child process if necessary */
258
259 if (arg_scope != UNIT_FILE_SYSTEM)
260 return;
261
262 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
263 }
264
265 static OutputFlags get_output_flags(void) {
266 return
267 arg_all * OUTPUT_SHOW_ALL |
268 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
269 colors_enabled() * OUTPUT_COLOR |
270 !arg_quiet * OUTPUT_WARN_CUTOFF;
271 }
272
273 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
274 assert(error);
275
276 if (!sd_bus_error_is_set(error))
277 return r;
278
279 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
280 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
281 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
282 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
283 return EXIT_NOPERMISSION;
284
285 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
286 return EXIT_NOTINSTALLED;
287
288 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
289 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
290 return EXIT_NOTIMPLEMENTED;
291
292 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
293 return EXIT_NOTCONFIGURED;
294
295 if (r != 0)
296 return r;
297
298 return EXIT_FAILURE;
299 }
300
301 static bool install_client_side(void) {
302 /* Decides when to execute enable/disable/... operations
303 * client-side rather than server-side. */
304
305 if (running_in_chroot_or_offline())
306 return true;
307
308 if (sd_booted() <= 0)
309 return true;
310
311 if (!isempty(arg_root))
312 return true;
313
314 if (arg_scope == UNIT_FILE_GLOBAL)
315 return true;
316
317 /* Unsupported environment variable, mostly for debugging purposes */
318 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
319 return true;
320
321 return false;
322 }
323
324 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
325 const char *d1, *d2;
326 int r;
327
328 /* First, order by machine */
329 if (!a->machine && b->machine)
330 return -1;
331 if (a->machine && !b->machine)
332 return 1;
333 if (a->machine && b->machine) {
334 r = strcasecmp(a->machine, b->machine);
335 if (r != 0)
336 return r;
337 }
338
339 /* Second, order by unit type */
340 d1 = strrchr(a->id, '.');
341 d2 = strrchr(b->id, '.');
342 if (d1 && d2) {
343 r = strcasecmp(d1, d2);
344 if (r != 0)
345 return r;
346 }
347
348 /* Third, order by name */
349 return strcasecmp(a->id, b->id);
350 }
351
352 static const char* unit_type_suffix(const char *name) {
353 const char *dot;
354
355 dot = strrchr(name, '.');
356 if (!dot)
357 return "";
358
359 return dot + 1;
360 }
361
362 static bool output_show_unit(const UnitInfo *u, char **patterns) {
363 assert(u);
364
365 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
366 return false;
367
368 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
369 return false;
370
371 if (arg_all)
372 return true;
373
374 /* Note that '--all' is not purely a state filter, but also a
375 * filter that hides units that "follow" other units (which is
376 * used for device units that appear under different names). */
377 if (!isempty(u->following))
378 return false;
379
380 if (!strv_isempty(arg_states))
381 return true;
382
383 /* By default show all units except the ones in inactive
384 * state and with no pending job */
385 if (u->job_id > 0)
386 return true;
387
388 if (streq(u->active_state, "inactive"))
389 return false;
390
391 return true;
392 }
393
394 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
395 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
396 const UnitInfo *u;
397 unsigned n_shown = 0;
398 int job_count = 0;
399 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
400
401 max_id_len = STRLEN("UNIT");
402 load_len = STRLEN("LOAD");
403 active_len = STRLEN("ACTIVE");
404 sub_len = STRLEN("SUB");
405 job_len = STRLEN("JOB");
406 max_desc_len = STRLEN("DESCRIPTION");
407
408 for (u = unit_infos; u < unit_infos + c; u++) {
409 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
410 load_len = MAX(load_len, strlen(u->load_state));
411 active_len = MAX(active_len, strlen(u->active_state));
412 sub_len = MAX(sub_len, strlen(u->sub_state));
413 max_desc_len = MAX(max_desc_len, strlen(u->description));
414
415 if (u->job_id != 0) {
416 job_len = MAX(job_len, strlen(u->job_type));
417 job_count++;
418 }
419
420 if (!arg_no_legend &&
421 (streq(u->active_state, "failed") ||
422 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
423 circle_len = 2;
424 }
425
426 if (!arg_full && original_stdout_is_tty) {
427 unsigned basic_len;
428
429 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
430 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
431
432 if (job_count)
433 basic_len += job_len + 1;
434
435 if (basic_len < (unsigned) columns()) {
436 unsigned extra_len, incr;
437 extra_len = columns() - basic_len;
438
439 /* Either UNIT already got 25, or is fully satisfied.
440 * Grant up to 25 to DESC now. */
441 incr = MIN(extra_len, 25u);
442 desc_len = incr;
443 extra_len -= incr;
444
445 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
446 * description but not more than it needs. */
447 if (extra_len > 0) {
448 incr = MIN(max_id_len - id_len, extra_len);
449 id_len += incr;
450 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
451 }
452 } else
453 desc_len = 0;
454 } else {
455 id_len = max_id_len;
456 desc_len = max_desc_len;
457 }
458
459 for (u = unit_infos; u < unit_infos + c; u++) {
460 _cleanup_free_ char *e = NULL, *j = NULL;
461 const char *on_underline = "", *off_underline = "";
462 const char *on_loaded = "", *off_loaded = "";
463 const char *on_active = "", *off_active = "";
464 const char *on_circle = "", *off_circle = "";
465 const char *id;
466 bool circle = false, underline = false;
467
468 if (!n_shown && !arg_no_legend) {
469
470 if (circle_len > 0)
471 fputs(" ", stdout);
472
473 printf("%s%-*s %-*s %-*s %-*s ",
474 ansi_underline(),
475 id_len, "UNIT",
476 load_len, "LOAD",
477 active_len, "ACTIVE",
478 sub_len, "SUB");
479
480 if (job_count)
481 printf("%-*s ", job_len, "JOB");
482
483 printf("%-*.*s%s\n",
484 desc_len,
485 full ? -1 : (int) desc_len,
486 "DESCRIPTION",
487 ansi_normal());
488 }
489
490 n_shown++;
491
492 if (u + 1 < unit_infos + c &&
493 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
494 on_underline = ansi_underline();
495 off_underline = ansi_normal();
496 underline = true;
497 }
498
499 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
500 on_circle = ansi_highlight_yellow();
501 off_circle = ansi_normal();
502 circle = true;
503 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
504 off_loaded = underline ? on_underline : ansi_normal();
505 } else if (streq(u->active_state, "failed") && !arg_plain) {
506 on_circle = ansi_highlight_red();
507 off_circle = ansi_normal();
508 circle = true;
509 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
510 off_active = underline ? on_underline : ansi_normal();
511 }
512
513 if (u->machine) {
514 j = strjoin(u->machine, ":", u->id);
515 if (!j)
516 return log_oom();
517
518 id = j;
519 } else
520 id = u->id;
521
522 if (arg_full) {
523 e = ellipsize(id, id_len, 33);
524 if (!e)
525 return log_oom();
526
527 id = e;
528 }
529
530 if (circle_len > 0)
531 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
532
533 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
534 on_underline,
535 on_active, id_len, id, off_active,
536 on_loaded, load_len, u->load_state, off_loaded,
537 on_active, active_len, u->active_state,
538 sub_len, u->sub_state, off_active,
539 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
540
541 printf("%-*.*s%s\n",
542 desc_len,
543 full ? -1 : (int) desc_len,
544 u->description,
545 off_underline);
546 }
547
548 if (!arg_no_legend) {
549 const char *on, *off;
550
551 if (n_shown) {
552 puts("\n"
553 "LOAD = Reflects whether the unit definition was properly loaded.\n"
554 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
555 "SUB = The low-level unit activation state, values depend on unit type.");
556 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
557 on = ansi_highlight();
558 off = ansi_normal();
559 } else {
560 on = ansi_highlight_red();
561 off = ansi_normal();
562 }
563
564 if (arg_all)
565 printf("%s%u loaded units listed.%s\n"
566 "To show all installed unit files use 'systemctl list-unit-files'.\n",
567 on, n_shown, off);
568 else
569 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
570 "To show all installed unit files use 'systemctl list-unit-files'.\n",
571 on, n_shown, off);
572 }
573
574 return 0;
575 }
576
577 static int get_unit_list(
578 sd_bus *bus,
579 const char *machine,
580 char **patterns,
581 UnitInfo **unit_infos,
582 int c,
583 sd_bus_message **_reply) {
584
585 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
586 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
587 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
588 size_t size = c;
589 int r;
590 UnitInfo u;
591 bool fallback = false;
592
593 assert(bus);
594 assert(unit_infos);
595 assert(_reply);
596
597 r = sd_bus_message_new_method_call(
598 bus,
599 &m,
600 "org.freedesktop.systemd1",
601 "/org/freedesktop/systemd1",
602 "org.freedesktop.systemd1.Manager",
603 "ListUnitsByPatterns");
604 if (r < 0)
605 return bus_log_create_error(r);
606
607 r = sd_bus_message_append_strv(m, arg_states);
608 if (r < 0)
609 return bus_log_create_error(r);
610
611 r = sd_bus_message_append_strv(m, patterns);
612 if (r < 0)
613 return bus_log_create_error(r);
614
615 r = sd_bus_call(bus, m, 0, &error, &reply);
616 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
617 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
618 /* Fallback to legacy ListUnitsFiltered method */
619 fallback = true;
620 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
621 m = sd_bus_message_unref(m);
622 sd_bus_error_free(&error);
623
624 r = sd_bus_message_new_method_call(
625 bus,
626 &m,
627 "org.freedesktop.systemd1",
628 "/org/freedesktop/systemd1",
629 "org.freedesktop.systemd1.Manager",
630 "ListUnitsFiltered");
631 if (r < 0)
632 return bus_log_create_error(r);
633
634 r = sd_bus_message_append_strv(m, arg_states);
635 if (r < 0)
636 return bus_log_create_error(r);
637
638 r = sd_bus_call(bus, m, 0, &error, &reply);
639 }
640 if (r < 0)
641 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
642
643 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
644 if (r < 0)
645 return bus_log_parse_error(r);
646
647 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
648 u.machine = machine;
649
650 if (!output_show_unit(&u, fallback ? patterns : NULL))
651 continue;
652
653 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
654 return log_oom();
655
656 (*unit_infos)[c++] = u;
657 }
658 if (r < 0)
659 return bus_log_parse_error(r);
660
661 r = sd_bus_message_exit_container(reply);
662 if (r < 0)
663 return bus_log_parse_error(r);
664
665 *_reply = TAKE_PTR(reply);
666
667 return c;
668 }
669
670 static void message_set_freep(Set **set) {
671 set_free_with_destructor(*set, sd_bus_message_unref);
672 }
673
674 static int get_unit_list_recursive(
675 sd_bus *bus,
676 char **patterns,
677 UnitInfo **_unit_infos,
678 Set **_replies,
679 char ***_machines) {
680
681 _cleanup_free_ UnitInfo *unit_infos = NULL;
682 _cleanup_(message_set_freep) Set *replies;
683 sd_bus_message *reply;
684 int c, r;
685
686 assert(bus);
687 assert(_replies);
688 assert(_unit_infos);
689 assert(_machines);
690
691 replies = set_new(NULL);
692 if (!replies)
693 return log_oom();
694
695 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
696 if (c < 0)
697 return c;
698
699 r = set_put(replies, reply);
700 if (r < 0) {
701 sd_bus_message_unref(reply);
702 return log_oom();
703 }
704
705 if (arg_recursive) {
706 _cleanup_strv_free_ char **machines = NULL;
707 char **i;
708
709 r = sd_get_machine_names(&machines);
710 if (r < 0)
711 return log_error_errno(r, "Failed to get machine names: %m");
712
713 STRV_FOREACH(i, machines) {
714 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
715 int k;
716
717 r = sd_bus_open_system_machine(&container, *i);
718 if (r < 0) {
719 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
720 continue;
721 }
722
723 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
724 if (k < 0)
725 return k;
726
727 c = k;
728
729 r = set_put(replies, reply);
730 if (r < 0) {
731 sd_bus_message_unref(reply);
732 return log_oom();
733 }
734 }
735
736 *_machines = TAKE_PTR(machines);
737 } else
738 *_machines = NULL;
739
740 *_unit_infos = TAKE_PTR(unit_infos);
741
742 *_replies = TAKE_PTR(replies);
743
744 return c;
745 }
746
747 static int list_units(int argc, char *argv[], void *userdata) {
748 _cleanup_free_ UnitInfo *unit_infos = NULL;
749 _cleanup_(message_set_freep) Set *replies = NULL;
750 _cleanup_strv_free_ char **machines = NULL;
751 sd_bus *bus;
752 int r;
753
754 r = acquire_bus(BUS_MANAGER, &bus);
755 if (r < 0)
756 return r;
757
758 (void) pager_open(arg_pager_flags);
759
760 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
761 if (r < 0)
762 return r;
763
764 typesafe_qsort(unit_infos, r, compare_unit_info);
765 return output_units_list(unit_infos, r);
766 }
767
768 static int get_triggered_units(
769 sd_bus *bus,
770 const char* path,
771 char*** ret) {
772
773 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
774 int r;
775
776 assert(bus);
777 assert(path);
778 assert(ret);
779
780 r = sd_bus_get_property_strv(
781 bus,
782 "org.freedesktop.systemd1",
783 path,
784 "org.freedesktop.systemd1.Unit",
785 "Triggers",
786 &error,
787 ret);
788 if (r < 0)
789 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
790
791 return 0;
792 }
793
794 static int get_listening(
795 sd_bus *bus,
796 const char* unit_path,
797 char*** listening) {
798
799 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
800 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
801 const char *type, *path;
802 int r, n = 0;
803
804 r = sd_bus_get_property(
805 bus,
806 "org.freedesktop.systemd1",
807 unit_path,
808 "org.freedesktop.systemd1.Socket",
809 "Listen",
810 &error,
811 &reply,
812 "a(ss)");
813 if (r < 0)
814 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
815
816 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
817 if (r < 0)
818 return bus_log_parse_error(r);
819
820 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
821
822 r = strv_extend(listening, type);
823 if (r < 0)
824 return log_oom();
825
826 r = strv_extend(listening, path);
827 if (r < 0)
828 return log_oom();
829
830 n++;
831 }
832 if (r < 0)
833 return bus_log_parse_error(r);
834
835 r = sd_bus_message_exit_container(reply);
836 if (r < 0)
837 return bus_log_parse_error(r);
838
839 return n;
840 }
841
842 struct socket_info {
843 const char *machine;
844 const char* id;
845
846 char* type;
847 char* path;
848
849 /* Note: triggered is a list here, although it almost certainly
850 * will always be one unit. Nevertheless, dbus API allows for multiple
851 * values, so let's follow that. */
852 char** triggered;
853
854 /* The strv above is shared. free is set only in the first one. */
855 bool own_triggered;
856 };
857
858 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
859 int r;
860
861 assert(a);
862 assert(b);
863
864 if (!a->machine && b->machine)
865 return -1;
866 if (a->machine && !b->machine)
867 return 1;
868 if (a->machine && b->machine) {
869 r = strcasecmp(a->machine, b->machine);
870 if (r != 0)
871 return r;
872 }
873
874 r = strcmp(a->path, b->path);
875 if (r == 0)
876 r = strcmp(a->type, b->type);
877
878 return r;
879 }
880
881 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
882 struct socket_info *s;
883 unsigned pathlen = STRLEN("LISTEN"),
884 typelen = STRLEN("TYPE") * arg_show_types,
885 socklen = STRLEN("UNIT"),
886 servlen = STRLEN("ACTIVATES");
887 const char *on, *off;
888
889 for (s = socket_infos; s < socket_infos + cs; s++) {
890 unsigned tmp = 0;
891 char **a;
892
893 socklen = MAX(socklen, strlen(s->id));
894 if (arg_show_types)
895 typelen = MAX(typelen, strlen(s->type));
896 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
897
898 STRV_FOREACH(a, s->triggered)
899 tmp += strlen(*a) + 2*(a != s->triggered);
900 servlen = MAX(servlen, tmp);
901 }
902
903 if (cs) {
904 if (!arg_no_legend)
905 printf("%-*s %-*.*s%-*s %s\n",
906 pathlen, "LISTEN",
907 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
908 socklen, "UNIT",
909 "ACTIVATES");
910
911 for (s = socket_infos; s < socket_infos + cs; s++) {
912 _cleanup_free_ char *j = NULL;
913 const char *path;
914 char **a;
915
916 if (s->machine) {
917 j = strjoin(s->machine, ":", s->path);
918 if (!j)
919 return log_oom();
920 path = j;
921 } else
922 path = s->path;
923
924 if (arg_show_types)
925 printf("%-*s %-*s %-*s",
926 pathlen, path, typelen, s->type, socklen, s->id);
927 else
928 printf("%-*s %-*s",
929 pathlen, path, socklen, s->id);
930 STRV_FOREACH(a, s->triggered)
931 printf("%s %s",
932 a == s->triggered ? "" : ",", *a);
933 printf("\n");
934 }
935
936 on = ansi_highlight();
937 off = ansi_normal();
938 if (!arg_no_legend)
939 printf("\n");
940 } else {
941 on = ansi_highlight_red();
942 off = ansi_normal();
943 }
944
945 if (!arg_no_legend) {
946 printf("%s%u sockets listed.%s\n", on, cs, off);
947 if (!arg_all)
948 printf("Pass --all to see loaded but inactive sockets, too.\n");
949 }
950
951 return 0;
952 }
953
954 static int list_sockets(int argc, char *argv[], void *userdata) {
955 _cleanup_(message_set_freep) Set *replies = NULL;
956 _cleanup_strv_free_ char **machines = NULL;
957 _cleanup_free_ UnitInfo *unit_infos = NULL;
958 _cleanup_free_ struct socket_info *socket_infos = NULL;
959 const UnitInfo *u;
960 struct socket_info *s;
961 unsigned cs = 0;
962 size_t size = 0;
963 int r = 0, n;
964 sd_bus *bus;
965
966 r = acquire_bus(BUS_MANAGER, &bus);
967 if (r < 0)
968 return r;
969
970 (void) pager_open(arg_pager_flags);
971
972 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
973 if (n < 0)
974 return n;
975
976 for (u = unit_infos; u < unit_infos + n; u++) {
977 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
978 int i, c;
979
980 if (!endswith(u->id, ".socket"))
981 continue;
982
983 r = get_triggered_units(bus, u->unit_path, &triggered);
984 if (r < 0)
985 goto cleanup;
986
987 c = get_listening(bus, u->unit_path, &listening);
988 if (c < 0) {
989 r = c;
990 goto cleanup;
991 }
992
993 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
994 r = log_oom();
995 goto cleanup;
996 }
997
998 for (i = 0; i < c; i++)
999 socket_infos[cs + i] = (struct socket_info) {
1000 .machine = u->machine,
1001 .id = u->id,
1002 .type = listening[i*2],
1003 .path = listening[i*2 + 1],
1004 .triggered = triggered,
1005 .own_triggered = i==0,
1006 };
1007
1008 /* from this point on we will cleanup those socket_infos */
1009 cs += c;
1010 free(listening);
1011 listening = triggered = NULL; /* avoid cleanup */
1012 }
1013
1014 typesafe_qsort(socket_infos, cs, socket_info_compare);
1015
1016 output_sockets_list(socket_infos, cs);
1017
1018 cleanup:
1019 assert(cs == 0 || socket_infos);
1020 for (s = socket_infos; s < socket_infos + cs; s++) {
1021 free(s->type);
1022 free(s->path);
1023 if (s->own_triggered)
1024 strv_free(s->triggered);
1025 }
1026
1027 return r;
1028 }
1029
1030 static int get_next_elapse(
1031 sd_bus *bus,
1032 const char *path,
1033 dual_timestamp *next) {
1034
1035 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1036 dual_timestamp t;
1037 int r;
1038
1039 assert(bus);
1040 assert(path);
1041 assert(next);
1042
1043 r = sd_bus_get_property_trivial(
1044 bus,
1045 "org.freedesktop.systemd1",
1046 path,
1047 "org.freedesktop.systemd1.Timer",
1048 "NextElapseUSecMonotonic",
1049 &error,
1050 't',
1051 &t.monotonic);
1052 if (r < 0)
1053 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1054
1055 r = sd_bus_get_property_trivial(
1056 bus,
1057 "org.freedesktop.systemd1",
1058 path,
1059 "org.freedesktop.systemd1.Timer",
1060 "NextElapseUSecRealtime",
1061 &error,
1062 't',
1063 &t.realtime);
1064 if (r < 0)
1065 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1066
1067 *next = t;
1068 return 0;
1069 }
1070
1071 static int get_last_trigger(
1072 sd_bus *bus,
1073 const char *path,
1074 usec_t *last) {
1075
1076 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1077 int r;
1078
1079 assert(bus);
1080 assert(path);
1081 assert(last);
1082
1083 r = sd_bus_get_property_trivial(
1084 bus,
1085 "org.freedesktop.systemd1",
1086 path,
1087 "org.freedesktop.systemd1.Timer",
1088 "LastTriggerUSec",
1089 &error,
1090 't',
1091 last);
1092 if (r < 0)
1093 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1094
1095 return 0;
1096 }
1097
1098 struct timer_info {
1099 const char* machine;
1100 const char* id;
1101 usec_t next_elapse;
1102 usec_t last_trigger;
1103 char** triggered;
1104 };
1105
1106 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1107 int r;
1108
1109 assert(a);
1110 assert(b);
1111
1112 if (!a->machine && b->machine)
1113 return -1;
1114 if (a->machine && !b->machine)
1115 return 1;
1116 if (a->machine && b->machine) {
1117 r = strcasecmp(a->machine, b->machine);
1118 if (r != 0)
1119 return r;
1120 }
1121
1122 r = CMP(a->next_elapse, b->next_elapse);
1123 if (r != 0)
1124 return r;
1125
1126 return strcmp(a->id, b->id);
1127 }
1128
1129 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1130 struct timer_info *t;
1131 unsigned
1132 nextlen = STRLEN("NEXT"),
1133 leftlen = STRLEN("LEFT"),
1134 lastlen = STRLEN("LAST"),
1135 passedlen = STRLEN("PASSED"),
1136 unitlen = STRLEN("UNIT"),
1137 activatelen = STRLEN("ACTIVATES");
1138
1139 const char *on, *off;
1140
1141 assert(timer_infos || n == 0);
1142
1143 for (t = timer_infos; t < timer_infos + n; t++) {
1144 unsigned ul = 0;
1145 char **a;
1146
1147 if (t->next_elapse > 0) {
1148 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1149
1150 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1151 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1152
1153 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1154 leftlen = MAX(leftlen, strlen(trel));
1155 }
1156
1157 if (t->last_trigger > 0) {
1158 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1159
1160 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1161 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1162
1163 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1164 passedlen = MAX(passedlen, strlen(trel));
1165 }
1166
1167 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1168
1169 STRV_FOREACH(a, t->triggered)
1170 ul += strlen(*a) + 2*(a != t->triggered);
1171
1172 activatelen = MAX(activatelen, ul);
1173 }
1174
1175 if (n > 0) {
1176 if (!arg_no_legend)
1177 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1178 nextlen, "NEXT",
1179 leftlen, "LEFT",
1180 lastlen, "LAST",
1181 passedlen, "PASSED",
1182 unitlen, "UNIT",
1183 "ACTIVATES");
1184
1185 for (t = timer_infos; t < timer_infos + n; t++) {
1186 _cleanup_free_ char *j = NULL;
1187 const char *unit;
1188 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1189 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1190 char **a;
1191
1192 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1193 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1194
1195 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1196 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1197
1198 if (t->machine) {
1199 j = strjoin(t->machine, ":", t->id);
1200 if (!j)
1201 return log_oom();
1202 unit = j;
1203 } else
1204 unit = t->id;
1205
1206 printf("%-*s %-*s %-*s %-*s %-*s",
1207 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1208
1209 STRV_FOREACH(a, t->triggered)
1210 printf("%s %s",
1211 a == t->triggered ? "" : ",", *a);
1212 printf("\n");
1213 }
1214
1215 on = ansi_highlight();
1216 off = ansi_normal();
1217 if (!arg_no_legend)
1218 printf("\n");
1219 } else {
1220 on = ansi_highlight_red();
1221 off = ansi_normal();
1222 }
1223
1224 if (!arg_no_legend) {
1225 printf("%s%u timers listed.%s\n", on, n, off);
1226 if (!arg_all)
1227 printf("Pass --all to see loaded but inactive timers, too.\n");
1228 }
1229
1230 return 0;
1231 }
1232
1233 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1234 usec_t next_elapse;
1235
1236 assert(nw);
1237 assert(next);
1238
1239 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1240 usec_t converted;
1241
1242 if (next->monotonic > nw->monotonic)
1243 converted = nw->realtime + (next->monotonic - nw->monotonic);
1244 else
1245 converted = nw->realtime - (nw->monotonic - next->monotonic);
1246
1247 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1248 next_elapse = MIN(converted, next->realtime);
1249 else
1250 next_elapse = converted;
1251
1252 } else
1253 next_elapse = next->realtime;
1254
1255 return next_elapse;
1256 }
1257
1258 static int list_timers(int argc, char *argv[], void *userdata) {
1259 _cleanup_(message_set_freep) Set *replies = NULL;
1260 _cleanup_strv_free_ char **machines = NULL;
1261 _cleanup_free_ struct timer_info *timer_infos = NULL;
1262 _cleanup_free_ UnitInfo *unit_infos = NULL;
1263 struct timer_info *t;
1264 const UnitInfo *u;
1265 size_t size = 0;
1266 int n, c = 0;
1267 dual_timestamp nw;
1268 sd_bus *bus;
1269 int r = 0;
1270
1271 r = acquire_bus(BUS_MANAGER, &bus);
1272 if (r < 0)
1273 return r;
1274
1275 (void) pager_open(arg_pager_flags);
1276
1277 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1278 if (n < 0)
1279 return n;
1280
1281 dual_timestamp_get(&nw);
1282
1283 for (u = unit_infos; u < unit_infos + n; u++) {
1284 _cleanup_strv_free_ char **triggered = NULL;
1285 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1286 usec_t m, last = 0;
1287
1288 if (!endswith(u->id, ".timer"))
1289 continue;
1290
1291 r = get_triggered_units(bus, u->unit_path, &triggered);
1292 if (r < 0)
1293 goto cleanup;
1294
1295 r = get_next_elapse(bus, u->unit_path, &next);
1296 if (r < 0)
1297 goto cleanup;
1298
1299 get_last_trigger(bus, u->unit_path, &last);
1300
1301 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1302 r = log_oom();
1303 goto cleanup;
1304 }
1305
1306 m = calc_next_elapse(&nw, &next);
1307
1308 timer_infos[c++] = (struct timer_info) {
1309 .machine = u->machine,
1310 .id = u->id,
1311 .next_elapse = m,
1312 .last_trigger = last,
1313 .triggered = TAKE_PTR(triggered),
1314 };
1315 }
1316
1317 typesafe_qsort(timer_infos, c, timer_info_compare);
1318
1319 output_timers_list(timer_infos, c);
1320
1321 cleanup:
1322 for (t = timer_infos; t < timer_infos + c; t++)
1323 strv_free(t->triggered);
1324
1325 return r;
1326 }
1327
1328 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1329 const char *d1, *d2;
1330
1331 d1 = strrchr(a->path, '.');
1332 d2 = strrchr(b->path, '.');
1333
1334 if (d1 && d2) {
1335 int r;
1336
1337 r = strcasecmp(d1, d2);
1338 if (r != 0)
1339 return r;
1340 }
1341
1342 return strcasecmp(basename(a->path), basename(b->path));
1343 }
1344
1345 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1346 assert(u);
1347
1348 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1349 return false;
1350
1351 if (!strv_isempty(arg_types)) {
1352 const char *dot;
1353
1354 dot = strrchr(u->path, '.');
1355 if (!dot)
1356 return false;
1357
1358 if (!strv_find(arg_types, dot+1))
1359 return false;
1360 }
1361
1362 if (!strv_isempty(states) &&
1363 !strv_find(states, unit_file_state_to_string(u->state)))
1364 return false;
1365
1366 return true;
1367 }
1368
1369 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1370 unsigned max_id_len, id_cols, state_cols;
1371 const UnitFileList *u;
1372
1373 max_id_len = STRLEN("UNIT FILE");
1374 state_cols = STRLEN("STATE");
1375
1376 for (u = units; u < units + c; u++) {
1377 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1378 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1379 }
1380
1381 if (!arg_full) {
1382 unsigned basic_cols;
1383
1384 id_cols = MIN(max_id_len, 25u);
1385 basic_cols = 1 + id_cols + state_cols;
1386 if (basic_cols < (unsigned) columns())
1387 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1388 } else
1389 id_cols = max_id_len;
1390
1391 if (!arg_no_legend && c > 0)
1392 printf("%s%-*s %-*s%s\n",
1393 ansi_underline(),
1394 id_cols, "UNIT FILE",
1395 state_cols, "STATE",
1396 ansi_normal());
1397
1398 for (u = units; u < units + c; u++) {
1399 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1400 _cleanup_free_ char *e = NULL;
1401 bool underline;
1402
1403 underline = u + 1 < units + c &&
1404 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1405
1406 if (underline)
1407 on_underline = ansi_underline();
1408
1409 if (IN_SET(u->state,
1410 UNIT_FILE_MASKED,
1411 UNIT_FILE_MASKED_RUNTIME,
1412 UNIT_FILE_DISABLED,
1413 UNIT_FILE_BAD))
1414 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1415 else if (u->state == UNIT_FILE_ENABLED)
1416 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1417
1418 if (on_underline || on_color)
1419 off = ansi_normal();
1420
1421 id = basename(u->path);
1422
1423 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1424
1425 printf("%s%-*s %s%-*s%s\n",
1426 strempty(on_underline),
1427 id_cols, e ? e : id,
1428 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1429 }
1430
1431 if (!arg_no_legend)
1432 printf("\n%u unit files listed.\n", c);
1433 }
1434
1435 static int list_unit_files(int argc, char *argv[], void *userdata) {
1436 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1437 _cleanup_free_ UnitFileList *units = NULL;
1438 UnitFileList *unit;
1439 size_t size = 0;
1440 unsigned c = 0;
1441 const char *state;
1442 char *path;
1443 int r;
1444 bool fallback = false;
1445
1446 if (install_client_side()) {
1447 Hashmap *h;
1448 UnitFileList *u;
1449 Iterator i;
1450 unsigned n_units;
1451
1452 h = hashmap_new(&string_hash_ops);
1453 if (!h)
1454 return log_oom();
1455
1456 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1457 if (r < 0) {
1458 unit_file_list_free(h);
1459 return log_error_errno(r, "Failed to get unit file list: %m");
1460 }
1461
1462 n_units = hashmap_size(h);
1463
1464 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1465 if (!units) {
1466 unit_file_list_free(h);
1467 return log_oom();
1468 }
1469
1470 HASHMAP_FOREACH(u, h, i) {
1471 if (!output_show_unit_file(u, NULL, NULL))
1472 continue;
1473
1474 units[c++] = *u;
1475 free(u);
1476 }
1477
1478 assert(c <= n_units);
1479 hashmap_free(h);
1480
1481 r = 0;
1482 } else {
1483 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1484 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1485 sd_bus *bus;
1486
1487 r = acquire_bus(BUS_MANAGER, &bus);
1488 if (r < 0)
1489 return r;
1490
1491 r = sd_bus_message_new_method_call(
1492 bus,
1493 &m,
1494 "org.freedesktop.systemd1",
1495 "/org/freedesktop/systemd1",
1496 "org.freedesktop.systemd1.Manager",
1497 "ListUnitFilesByPatterns");
1498 if (r < 0)
1499 return bus_log_create_error(r);
1500
1501 r = sd_bus_message_append_strv(m, arg_states);
1502 if (r < 0)
1503 return bus_log_create_error(r);
1504
1505 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1506 if (r < 0)
1507 return bus_log_create_error(r);
1508
1509 r = sd_bus_call(bus, m, 0, &error, &reply);
1510 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1511 /* Fallback to legacy ListUnitFiles method */
1512 fallback = true;
1513 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1514 m = sd_bus_message_unref(m);
1515 sd_bus_error_free(&error);
1516
1517 r = sd_bus_message_new_method_call(
1518 bus,
1519 &m,
1520 "org.freedesktop.systemd1",
1521 "/org/freedesktop/systemd1",
1522 "org.freedesktop.systemd1.Manager",
1523 "ListUnitFiles");
1524 if (r < 0)
1525 return bus_log_create_error(r);
1526
1527 r = sd_bus_call(bus, m, 0, &error, &reply);
1528 }
1529 if (r < 0)
1530 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1531
1532 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1533 if (r < 0)
1534 return bus_log_parse_error(r);
1535
1536 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1537
1538 if (!GREEDY_REALLOC(units, size, c + 1))
1539 return log_oom();
1540
1541 units[c] = (struct UnitFileList) {
1542 path,
1543 unit_file_state_from_string(state)
1544 };
1545
1546 if (output_show_unit_file(&units[c],
1547 fallback ? arg_states : NULL,
1548 fallback ? strv_skip(argv, 1) : NULL))
1549 c++;
1550
1551 }
1552 if (r < 0)
1553 return bus_log_parse_error(r);
1554
1555 r = sd_bus_message_exit_container(reply);
1556 if (r < 0)
1557 return bus_log_parse_error(r);
1558 }
1559
1560 (void) pager_open(arg_pager_flags);
1561
1562 typesafe_qsort(units, c, compare_unit_file_list);
1563 output_unit_file_list(units, c);
1564
1565 if (install_client_side())
1566 for (unit = units; unit < units + c; unit++)
1567 free(unit->path);
1568
1569 return 0;
1570 }
1571
1572 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1573 _cleanup_free_ char *n = NULL;
1574 size_t max_len = MAX(columns(),20u);
1575 size_t len = 0;
1576 int i;
1577
1578 if (!arg_plain) {
1579
1580 for (i = level - 1; i >= 0; i--) {
1581 len += 2;
1582 if (len > max_len - 3 && !arg_full) {
1583 printf("%s...\n",max_len % 2 ? "" : " ");
1584 return 0;
1585 }
1586 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1587 }
1588 len += 2;
1589
1590 if (len > max_len - 3 && !arg_full) {
1591 printf("%s...\n",max_len % 2 ? "" : " ");
1592 return 0;
1593 }
1594
1595 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1596 }
1597
1598 if (arg_full) {
1599 printf("%s\n", name);
1600 return 0;
1601 }
1602
1603 n = ellipsize(name, max_len-len, 100);
1604 if (!n)
1605 return log_oom();
1606
1607 printf("%s\n", n);
1608 return 0;
1609 }
1610
1611 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1612 struct DependencyStatusInfo {
1613 char **dep[5];
1614 } info = {};
1615
1616 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1617 [DEPENDENCY_FORWARD] = {
1618 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1619 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1620 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1621 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1622 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1623 {}
1624 },
1625 [DEPENDENCY_REVERSE] = {
1626 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1627 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1628 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1629 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1630 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1631 {}
1632 },
1633 [DEPENDENCY_AFTER] = {
1634 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1635 {}
1636 },
1637 [DEPENDENCY_BEFORE] = {
1638 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1639 {}
1640 },
1641 };
1642
1643 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1644 _cleanup_strv_free_ char **ret = NULL;
1645 _cleanup_free_ char *path = NULL;
1646 int i, r;
1647
1648 assert(bus);
1649 assert(name);
1650 assert(deps);
1651
1652 path = unit_dbus_path_from_name(name);
1653 if (!path)
1654 return log_oom();
1655
1656 r = bus_map_all_properties(bus,
1657 "org.freedesktop.systemd1",
1658 path,
1659 map[arg_dependency],
1660 BUS_MAP_STRDUP,
1661 &error,
1662 NULL,
1663 &info);
1664 if (r < 0)
1665 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1666
1667 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1668 *deps = info.dep[0];
1669 return 0;
1670 }
1671
1672 for (i = 0; i < 5; i++) {
1673 r = strv_extend_strv(&ret, info.dep[i], true);
1674 if (r < 0)
1675 return log_oom();
1676 info.dep[i] = strv_free(info.dep[i]);
1677 }
1678
1679 *deps = TAKE_PTR(ret);
1680
1681 return 0;
1682 }
1683
1684 static int list_dependencies_compare(char * const *a, char * const *b) {
1685 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1686 return 1;
1687 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1688 return -1;
1689
1690 return strcasecmp(*a, *b);
1691 }
1692
1693 static int list_dependencies_one(
1694 sd_bus *bus,
1695 const char *name,
1696 int level,
1697 char ***units,
1698 unsigned branches) {
1699
1700 _cleanup_strv_free_ char **deps = NULL;
1701 char **c;
1702 int r = 0;
1703
1704 assert(bus);
1705 assert(name);
1706 assert(units);
1707
1708 r = strv_extend(units, name);
1709 if (r < 0)
1710 return log_oom();
1711
1712 r = list_dependencies_get_dependencies(bus, name, &deps);
1713 if (r < 0)
1714 return r;
1715
1716 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1717
1718 STRV_FOREACH(c, deps) {
1719 if (strv_contains(*units, *c)) {
1720 if (!arg_plain) {
1721 printf(" ");
1722 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1723 if (r < 0)
1724 return r;
1725 }
1726 continue;
1727 }
1728
1729 if (arg_plain)
1730 printf(" ");
1731 else {
1732 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1733 const char *on;
1734
1735 (void) get_state_one_unit(bus, *c, &active_state);
1736
1737 switch (active_state) {
1738 case UNIT_ACTIVE:
1739 case UNIT_RELOADING:
1740 case UNIT_ACTIVATING:
1741 on = ansi_highlight_green();
1742 break;
1743
1744 case UNIT_INACTIVE:
1745 case UNIT_DEACTIVATING:
1746 on = ansi_normal();
1747 break;
1748
1749 default:
1750 on = ansi_highlight_red();
1751 break;
1752 }
1753
1754 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1755 }
1756
1757 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1758 if (r < 0)
1759 return r;
1760
1761 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1762 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1763 if (r < 0)
1764 return r;
1765 }
1766 }
1767
1768 if (!arg_plain)
1769 strv_remove(*units, name);
1770
1771 return 0;
1772 }
1773
1774 static int list_dependencies(int argc, char *argv[], void *userdata) {
1775 _cleanup_strv_free_ char **units = NULL;
1776 _cleanup_free_ char *unit = NULL;
1777 const char *u;
1778 sd_bus *bus;
1779 int r;
1780
1781 if (argv[1]) {
1782 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1783 if (r < 0)
1784 return log_error_errno(r, "Failed to mangle unit name: %m");
1785
1786 u = unit;
1787 } else
1788 u = SPECIAL_DEFAULT_TARGET;
1789
1790 r = acquire_bus(BUS_MANAGER, &bus);
1791 if (r < 0)
1792 return r;
1793
1794 (void) pager_open(arg_pager_flags);
1795
1796 puts(u);
1797
1798 return list_dependencies_one(bus, u, 0, &units, 0);
1799 }
1800
1801 struct machine_info {
1802 bool is_host;
1803 char *name;
1804 char *state;
1805 char *control_group;
1806 uint32_t n_failed_units;
1807 uint32_t n_jobs;
1808 usec_t timestamp;
1809 };
1810
1811 static const struct bus_properties_map machine_info_property_map[] = {
1812 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1813 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1814 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1815 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1816 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1817 {}
1818 };
1819
1820 static void machine_info_clear(struct machine_info *info) {
1821 assert(info);
1822
1823 free(info->name);
1824 free(info->state);
1825 free(info->control_group);
1826 zero(*info);
1827 }
1828
1829 static void free_machines_list(struct machine_info *machine_infos, int n) {
1830 int i;
1831
1832 if (!machine_infos)
1833 return;
1834
1835 for (i = 0; i < n; i++)
1836 machine_info_clear(&machine_infos[i]);
1837
1838 free(machine_infos);
1839 }
1840
1841 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1842 int r;
1843
1844 r = CMP(b->is_host, a->is_host);
1845 if (r != 0)
1846 return r;
1847
1848 return strcasecmp(a->name, b->name);
1849 }
1850
1851 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1852 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1853 int r;
1854
1855 assert(mi);
1856
1857 if (!bus) {
1858 r = sd_bus_open_system_machine(&container, mi->name);
1859 if (r < 0)
1860 return r;
1861
1862 bus = container;
1863 }
1864
1865 r = bus_map_all_properties(
1866 bus,
1867 "org.freedesktop.systemd1",
1868 "/org/freedesktop/systemd1",
1869 machine_info_property_map,
1870 BUS_MAP_STRDUP,
1871 NULL,
1872 NULL,
1873 mi);
1874 if (r < 0)
1875 return r;
1876
1877 return 0;
1878 }
1879
1880 static bool output_show_machine(const char *name, char **patterns) {
1881 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1882 }
1883
1884 static int get_machine_list(
1885 sd_bus *bus,
1886 struct machine_info **_machine_infos,
1887 char **patterns) {
1888
1889 struct machine_info *machine_infos = NULL;
1890 _cleanup_strv_free_ char **m = NULL;
1891 _cleanup_free_ char *hn = NULL;
1892 size_t sz = 0;
1893 char **i;
1894 int c = 0, r;
1895
1896 hn = gethostname_malloc();
1897 if (!hn)
1898 return log_oom();
1899
1900 if (output_show_machine(hn, patterns)) {
1901 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1902 return log_oom();
1903
1904 machine_infos[c].is_host = true;
1905 machine_infos[c].name = TAKE_PTR(hn);
1906
1907 (void) get_machine_properties(bus, &machine_infos[c]);
1908 c++;
1909 }
1910
1911 r = sd_get_machine_names(&m);
1912 if (r < 0)
1913 return log_error_errno(r, "Failed to get machine list: %m");
1914
1915 STRV_FOREACH(i, m) {
1916 _cleanup_free_ char *class = NULL;
1917
1918 if (!output_show_machine(*i, patterns))
1919 continue;
1920
1921 sd_machine_get_class(*i, &class);
1922 if (!streq_ptr(class, "container"))
1923 continue;
1924
1925 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1926 free_machines_list(machine_infos, c);
1927 return log_oom();
1928 }
1929
1930 machine_infos[c].is_host = false;
1931 machine_infos[c].name = strdup(*i);
1932 if (!machine_infos[c].name) {
1933 free_machines_list(machine_infos, c);
1934 return log_oom();
1935 }
1936
1937 (void) get_machine_properties(NULL, &machine_infos[c]);
1938 c++;
1939 }
1940
1941 *_machine_infos = machine_infos;
1942 return c;
1943 }
1944
1945 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1946 struct machine_info *m;
1947 unsigned
1948 circle_len = 0,
1949 namelen = STRLEN("NAME"),
1950 statelen = STRLEN("STATE"),
1951 failedlen = STRLEN("FAILED"),
1952 jobslen = STRLEN("JOBS");
1953
1954 assert(machine_infos || n == 0);
1955
1956 for (m = machine_infos; m < machine_infos + n; m++) {
1957 namelen = MAX(namelen,
1958 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1959 statelen = MAX(statelen, strlen_ptr(m->state));
1960 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1961 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1962
1963 if (!arg_plain && !streq_ptr(m->state, "running"))
1964 circle_len = 2;
1965 }
1966
1967 if (!arg_no_legend) {
1968 if (circle_len > 0)
1969 fputs(" ", stdout);
1970
1971 printf("%-*s %-*s %-*s %-*s\n",
1972 namelen, "NAME",
1973 statelen, "STATE",
1974 failedlen, "FAILED",
1975 jobslen, "JOBS");
1976 }
1977
1978 for (m = machine_infos; m < machine_infos + n; m++) {
1979 const char *on_state = "", *off_state = "";
1980 const char *on_failed = "", *off_failed = "";
1981 bool circle = false;
1982
1983 if (streq_ptr(m->state, "degraded")) {
1984 on_state = ansi_highlight_red();
1985 off_state = ansi_normal();
1986 circle = true;
1987 } else if (!streq_ptr(m->state, "running")) {
1988 on_state = ansi_highlight_yellow();
1989 off_state = ansi_normal();
1990 circle = true;
1991 }
1992
1993 if (m->n_failed_units > 0) {
1994 on_failed = ansi_highlight_red();
1995 off_failed = ansi_normal();
1996 } else
1997 on_failed = off_failed = "";
1998
1999 if (circle_len > 0)
2000 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
2001
2002 if (m->is_host)
2003 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2004 (int) (namelen - (STRLEN(" (host)"))),
2005 strna(m->name),
2006 on_state, statelen, strna(m->state), off_state,
2007 on_failed, failedlen, m->n_failed_units, off_failed,
2008 jobslen, m->n_jobs);
2009 else
2010 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2011 namelen, strna(m->name),
2012 on_state, statelen, strna(m->state), off_state,
2013 on_failed, failedlen, m->n_failed_units, off_failed,
2014 jobslen, m->n_jobs);
2015 }
2016
2017 if (!arg_no_legend)
2018 printf("\n%u machines listed.\n", n);
2019 }
2020
2021 static int list_machines(int argc, char *argv[], void *userdata) {
2022 struct machine_info *machine_infos = NULL;
2023 sd_bus *bus;
2024 int r;
2025
2026 r = acquire_bus(BUS_MANAGER, &bus);
2027 if (r < 0)
2028 return r;
2029
2030 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2031 if (r < 0)
2032 return r;
2033
2034 (void) pager_open(arg_pager_flags);
2035
2036 typesafe_qsort(machine_infos, r, compare_machine_info);
2037 output_machines_list(machine_infos, r);
2038 free_machines_list(machine_infos, r);
2039
2040 return 0;
2041 }
2042
2043 static int get_default(int argc, char *argv[], void *userdata) {
2044 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2045 _cleanup_free_ char *_path = NULL;
2046 const char *path;
2047 int r;
2048
2049 if (install_client_side()) {
2050 r = unit_file_get_default(arg_scope, arg_root, &_path);
2051 if (r < 0)
2052 return log_error_errno(r, "Failed to get default target: %m");
2053 path = _path;
2054
2055 r = 0;
2056 } else {
2057 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2058 sd_bus *bus;
2059
2060 r = acquire_bus(BUS_MANAGER, &bus);
2061 if (r < 0)
2062 return r;
2063
2064 r = sd_bus_call_method(
2065 bus,
2066 "org.freedesktop.systemd1",
2067 "/org/freedesktop/systemd1",
2068 "org.freedesktop.systemd1.Manager",
2069 "GetDefaultTarget",
2070 &error,
2071 &reply,
2072 NULL);
2073 if (r < 0)
2074 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2075
2076 r = sd_bus_message_read(reply, "s", &path);
2077 if (r < 0)
2078 return bus_log_parse_error(r);
2079 }
2080
2081 if (path)
2082 printf("%s\n", path);
2083
2084 return 0;
2085 }
2086
2087 static int set_default(int argc, char *argv[], void *userdata) {
2088 _cleanup_free_ char *unit = NULL;
2089 UnitFileChange *changes = NULL;
2090 size_t n_changes = 0;
2091 int r;
2092
2093 assert(argc >= 2);
2094 assert(argv);
2095
2096 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2097 if (r < 0)
2098 return log_error_errno(r, "Failed to mangle unit name: %m");
2099
2100 if (install_client_side()) {
2101 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2102 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2103
2104 if (r > 0)
2105 r = 0;
2106 } else {
2107 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2108 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2109 sd_bus *bus;
2110
2111 polkit_agent_open_maybe();
2112
2113 r = acquire_bus(BUS_MANAGER, &bus);
2114 if (r < 0)
2115 return r;
2116
2117 r = sd_bus_call_method(
2118 bus,
2119 "org.freedesktop.systemd1",
2120 "/org/freedesktop/systemd1",
2121 "org.freedesktop.systemd1.Manager",
2122 "SetDefaultTarget",
2123 &error,
2124 &reply,
2125 "sb", unit, 1);
2126 if (r < 0)
2127 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2128
2129 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2130 if (r < 0)
2131 goto finish;
2132
2133 /* Try to reload if enabled */
2134 if (!arg_no_reload)
2135 r = daemon_reload(argc, argv, userdata);
2136 else
2137 r = 0;
2138 }
2139
2140 finish:
2141 unit_file_changes_free(changes, n_changes);
2142
2143 return r;
2144 }
2145
2146 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2147 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2148 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2149 const char *name, *type;
2150 uint32_t other_id;
2151 int r;
2152
2153 assert(bus);
2154
2155 r = sd_bus_call_method(
2156 bus,
2157 "org.freedesktop.systemd1",
2158 "/org/freedesktop/systemd1",
2159 "org.freedesktop.systemd1.Manager",
2160 method,
2161 &error,
2162 &reply,
2163 "u", id);
2164 if (r < 0)
2165 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2166
2167 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2168 if (r < 0)
2169 return bus_log_parse_error(r);
2170
2171 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2172 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2173 if (r < 0)
2174 return bus_log_parse_error(r);
2175
2176 r = sd_bus_message_exit_container(reply);
2177 if (r < 0)
2178 return bus_log_parse_error(r);
2179
2180 return 0;
2181 }
2182
2183 struct job_info {
2184 uint32_t id;
2185 const char *name, *type, *state;
2186 };
2187
2188 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2189 unsigned id_len, unit_len, type_len, state_len;
2190 const struct job_info *j;
2191 const char *on, *off;
2192 bool shorten = false;
2193
2194 assert(n == 0 || jobs);
2195
2196 if (n == 0) {
2197 if (!arg_no_legend) {
2198 on = ansi_highlight_green();
2199 off = ansi_normal();
2200
2201 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2202 }
2203 return;
2204 }
2205
2206 (void) pager_open(arg_pager_flags);
2207
2208 id_len = STRLEN("JOB");
2209 unit_len = STRLEN("UNIT");
2210 type_len = STRLEN("TYPE");
2211 state_len = STRLEN("STATE");
2212
2213 for (j = jobs; j < jobs + n; j++) {
2214 uint32_t id = j->id;
2215 assert(j->name && j->type && j->state);
2216
2217 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2218 unit_len = MAX(unit_len, strlen(j->name));
2219 type_len = MAX(type_len, strlen(j->type));
2220 state_len = MAX(state_len, strlen(j->state));
2221 }
2222
2223 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2224 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2225 shorten = true;
2226 }
2227
2228 if (!arg_no_legend)
2229 printf("%*s %-*s %-*s %-*s\n",
2230 id_len, "JOB",
2231 unit_len, "UNIT",
2232 type_len, "TYPE",
2233 state_len, "STATE");
2234
2235 for (j = jobs; j < jobs + n; j++) {
2236 _cleanup_free_ char *e = NULL;
2237
2238 if (streq(j->state, "running")) {
2239 on = ansi_highlight();
2240 off = ansi_normal();
2241 } else
2242 on = off = "";
2243
2244 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2245 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2246 id_len, j->id,
2247 on, unit_len, e ? e : j->name, off,
2248 type_len, j->type,
2249 on, state_len, j->state, off);
2250
2251 if (arg_jobs_after)
2252 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2253 if (arg_jobs_before)
2254 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2255 }
2256
2257 if (!arg_no_legend) {
2258 on = ansi_highlight();
2259 off = ansi_normal();
2260
2261 printf("\n%s%u jobs listed%s.\n", on, n, off);
2262 }
2263 }
2264
2265 static bool output_show_job(struct job_info *job, char **patterns) {
2266 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2267 }
2268
2269 static int list_jobs(int argc, char *argv[], void *userdata) {
2270 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2271 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2272 _cleanup_free_ struct job_info *jobs = NULL;
2273 const char *name, *type, *state;
2274 bool skipped = false;
2275 size_t size = 0;
2276 unsigned c = 0;
2277 sd_bus *bus;
2278 uint32_t id;
2279 int r;
2280
2281 r = acquire_bus(BUS_MANAGER, &bus);
2282 if (r < 0)
2283 return r;
2284
2285 r = sd_bus_call_method(
2286 bus,
2287 "org.freedesktop.systemd1",
2288 "/org/freedesktop/systemd1",
2289 "org.freedesktop.systemd1.Manager",
2290 "ListJobs",
2291 &error,
2292 &reply,
2293 NULL);
2294 if (r < 0)
2295 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2296
2297 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2298 if (r < 0)
2299 return bus_log_parse_error(r);
2300
2301 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2302 struct job_info job = { id, name, type, state };
2303
2304 if (!output_show_job(&job, strv_skip(argv, 1))) {
2305 skipped = true;
2306 continue;
2307 }
2308
2309 if (!GREEDY_REALLOC(jobs, size, c + 1))
2310 return log_oom();
2311
2312 jobs[c++] = job;
2313 }
2314 if (r < 0)
2315 return bus_log_parse_error(r);
2316
2317 r = sd_bus_message_exit_container(reply);
2318 if (r < 0)
2319 return bus_log_parse_error(r);
2320
2321 (void) pager_open(arg_pager_flags);
2322
2323 output_jobs_list(bus, jobs, c, skipped);
2324 return 0;
2325 }
2326
2327 static int cancel_job(int argc, char *argv[], void *userdata) {
2328 sd_bus *bus;
2329 char **name;
2330 int r = 0;
2331
2332 if (argc <= 1)
2333 return trivial_method(argc, argv, userdata);
2334
2335 r = acquire_bus(BUS_MANAGER, &bus);
2336 if (r < 0)
2337 return r;
2338
2339 polkit_agent_open_maybe();
2340
2341 STRV_FOREACH(name, strv_skip(argv, 1)) {
2342 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2343 uint32_t id;
2344 int q;
2345
2346 q = safe_atou32(*name, &id);
2347 if (q < 0)
2348 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2349
2350 q = sd_bus_call_method(
2351 bus,
2352 "org.freedesktop.systemd1",
2353 "/org/freedesktop/systemd1",
2354 "org.freedesktop.systemd1.Manager",
2355 "CancelJob",
2356 &error,
2357 NULL,
2358 "u", id);
2359 if (q < 0) {
2360 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2361 if (r == 0)
2362 r = q;
2363 }
2364 }
2365
2366 return r;
2367 }
2368
2369 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2370 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2371 const char *path;
2372 int b, r;
2373
2374 /* We ignore all errors here, since this is used to show a
2375 * warning only */
2376
2377 /* We don't use unit_dbus_path_from_name() directly since we
2378 * don't want to load the unit if it isn't loaded. */
2379
2380 r = sd_bus_call_method(
2381 bus,
2382 "org.freedesktop.systemd1",
2383 "/org/freedesktop/systemd1",
2384 "org.freedesktop.systemd1.Manager",
2385 "GetUnit",
2386 NULL,
2387 &reply,
2388 "s", unit);
2389 if (r < 0)
2390 return r;
2391
2392 r = sd_bus_message_read(reply, "o", &path);
2393 if (r < 0)
2394 return r;
2395
2396 r = sd_bus_get_property_trivial(
2397 bus,
2398 "org.freedesktop.systemd1",
2399 path,
2400 "org.freedesktop.systemd1.Unit",
2401 "NeedDaemonReload",
2402 NULL,
2403 'b', &b);
2404 if (r < 0)
2405 return r;
2406
2407 return b;
2408 }
2409
2410 static void warn_unit_file_changed(const char *name) {
2411 assert(name);
2412
2413 log_warning("%sWarning:%s The unit file, source configuration file or drop-ins of %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.",
2414 ansi_highlight_red(),
2415 ansi_normal(),
2416 name,
2417 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2418 }
2419
2420 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2421 char **p;
2422
2423 assert(lp);
2424 assert(unit_name);
2425
2426 STRV_FOREACH(p, lp->search_path) {
2427 _cleanup_free_ char *path = NULL, *lpath = NULL;
2428 int r;
2429
2430 path = path_join(*p, unit_name);
2431 if (!path)
2432 return log_oom();
2433
2434 r = chase_symlinks(path, arg_root, 0, &lpath);
2435 if (r == -ENOENT)
2436 continue;
2437 if (r == -ENOMEM)
2438 return log_oom();
2439 if (r < 0)
2440 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2441
2442 if (ret_unit_path)
2443 *ret_unit_path = TAKE_PTR(lpath);
2444
2445 return 1;
2446 }
2447
2448 if (ret_unit_path)
2449 *ret_unit_path = NULL;
2450
2451 return 0;
2452 }
2453
2454 static int unit_find_template_path(
2455 const char *unit_name,
2456 LookupPaths *lp,
2457 char **ret_fragment_path,
2458 char **ret_template) {
2459
2460 _cleanup_free_ char *t = NULL, *f = NULL;
2461 int r;
2462
2463 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2464
2465 r = unit_file_find_path(lp, unit_name, &f);
2466 if (r < 0)
2467 return r;
2468 if (r > 0) {
2469 if (ret_fragment_path)
2470 *ret_fragment_path = TAKE_PTR(f);
2471 if (ret_template)
2472 *ret_template = NULL;
2473 return r; /* found a real unit */
2474 }
2475
2476 r = unit_name_template(unit_name, &t);
2477 if (r == -EINVAL) {
2478 if (ret_fragment_path)
2479 *ret_fragment_path = NULL;
2480 if (ret_template)
2481 *ret_template = NULL;
2482
2483 return 0; /* not a template, does not exist */
2484 }
2485 if (r < 0)
2486 return log_error_errno(r, "Failed to determine template name: %m");
2487
2488 r = unit_file_find_path(lp, t, ret_fragment_path);
2489 if (r < 0)
2490 return r;
2491
2492 if (ret_template)
2493 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2494
2495 return r;
2496 }
2497
2498 static int unit_find_paths(
2499 sd_bus *bus,
2500 const char *unit_name,
2501 LookupPaths *lp,
2502 bool force_client_side,
2503 char **ret_fragment_path,
2504 char ***ret_dropin_paths) {
2505
2506 _cleanup_strv_free_ char **dropins = NULL;
2507 _cleanup_free_ char *path = NULL;
2508 int r;
2509
2510 /**
2511 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is found, and
2512 * sets:
2513 * - the path to the unit in *ret_frament_path, if it exists on disk,
2514 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins were found.
2515 *
2516 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for some
2517 * reason (the latter only applies if we are going through the service manager)
2518 */
2519
2520 assert(unit_name);
2521 assert(ret_fragment_path);
2522 assert(lp);
2523
2524 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2525 if (!force_client_side &&
2526 !install_client_side() &&
2527 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2528 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2529 _cleanup_free_ char *load_state = NULL, *unit = NULL;
2530
2531 unit = unit_dbus_path_from_name(unit_name);
2532 if (!unit)
2533 return log_oom();
2534
2535 r = sd_bus_get_property_string(
2536 bus,
2537 "org.freedesktop.systemd1",
2538 unit,
2539 "org.freedesktop.systemd1.Unit",
2540 "LoadState",
2541 &error,
2542 &load_state);
2543 if (r < 0)
2544 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2545
2546 if (streq(load_state, "masked"))
2547 return -ERFKILL;
2548 if (streq(load_state, "not-found")) {
2549 r = 0;
2550 goto not_found;
2551 }
2552 if (!streq(load_state, "loaded"))
2553 return -EKEYREJECTED;
2554
2555 r = sd_bus_get_property_string(
2556 bus,
2557 "org.freedesktop.systemd1",
2558 unit,
2559 "org.freedesktop.systemd1.Unit",
2560 "FragmentPath",
2561 &error,
2562 &path);
2563 if (r < 0)
2564 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2565
2566 if (ret_dropin_paths) {
2567 r = sd_bus_get_property_strv(
2568 bus,
2569 "org.freedesktop.systemd1",
2570 unit,
2571 "org.freedesktop.systemd1.Unit",
2572 "DropInPaths",
2573 &error,
2574 &dropins);
2575 if (r < 0)
2576 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2577 }
2578 } else {
2579 _cleanup_set_free_ Set *names = NULL;
2580 _cleanup_free_ char *template = NULL;
2581
2582 names = set_new(NULL);
2583 if (!names)
2584 return log_oom();
2585
2586 r = unit_find_template_path(unit_name, lp, &path, &template);
2587 if (r < 0)
2588 return r;
2589 if (r > 0) {
2590 if (null_or_empty_path(path))
2591 /* The template is masked. Let's cut the process short. */
2592 return -ERFKILL;
2593
2594 /* We found the unit file. If we followed symlinks, this name might be
2595 * different then the unit_name with started with. Look for dropins matching
2596 * that "final" name. */
2597 r = set_put(names, basename(path));
2598 } else if (!template)
2599 /* No unit file, let's look for dropins matching the original name.
2600 * systemd has fairly complicated rules (based on unit type and provenience),
2601 * which units are allowed not to have the main unit file. We err on the
2602 * side of including too many files, and always try to load dropins. */
2603 r = set_put(names, unit_name);
2604 else
2605 /* The cases where we allow a unit to exist without the main file are
2606 * never valid for templates. Don't try to load dropins in this case. */
2607 goto not_found;
2608
2609 if (r < 0)
2610 return log_error_errno(r, "Failed to add unit name: %m");
2611
2612 if (ret_dropin_paths) {
2613 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, NULL, names, &dropins);
2614 if (r < 0)
2615 return r;
2616 }
2617 }
2618
2619 r = 0;
2620
2621 if (!isempty(path)) {
2622 *ret_fragment_path = TAKE_PTR(path);
2623 r = 1;
2624 } else
2625 *ret_fragment_path = NULL;
2626
2627 if (ret_dropin_paths) {
2628 if (!strv_isempty(dropins)) {
2629 *ret_dropin_paths = TAKE_PTR(dropins);
2630 r = 1;
2631 } else
2632 *ret_dropin_paths = NULL;
2633 }
2634
2635 not_found:
2636 if (r == 0 && !arg_force)
2637 log_error("No files found for %s.", unit_name);
2638
2639 return r;
2640 }
2641
2642 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2643 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2644 _cleanup_free_ char *buf = NULL, *path = NULL;
2645 UnitActiveState state;
2646 int r;
2647
2648 assert(name);
2649 assert(active_state);
2650
2651 path = unit_dbus_path_from_name(name);
2652 if (!path)
2653 return log_oom();
2654
2655 r = sd_bus_get_property_string(
2656 bus,
2657 "org.freedesktop.systemd1",
2658 path,
2659 "org.freedesktop.systemd1.Unit",
2660 "ActiveState",
2661 &error,
2662 &buf);
2663 if (r < 0)
2664 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2665
2666 state = unit_active_state_from_string(buf);
2667 if (state == _UNIT_ACTIVE_STATE_INVALID) {
2668 log_error("Invalid unit state '%s' for: %s", buf, name);
2669 return -EINVAL;
2670 }
2671
2672 *active_state = state;
2673 return 0;
2674 }
2675
2676 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2677 _cleanup_free_ char *load_state = NULL;
2678 int r;
2679
2680 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2681 _cleanup_free_ char *path = NULL;
2682
2683 /* A template cannot be loaded, but it can be still masked, so
2684 * we need to use a different method. */
2685
2686 r = unit_file_find_path(lp, name, &path);
2687 if (r < 0)
2688 return r;
2689 if (r == 0)
2690 return false;
2691 return null_or_empty_path(path);
2692 }
2693
2694 r = unit_load_state(bus, name, &load_state);
2695 if (r < 0)
2696 return r;
2697
2698 return streq(load_state, "masked");
2699 }
2700
2701 static int check_triggering_units(sd_bus *bus, const char *name) {
2702 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2703 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2704 _cleanup_strv_free_ char **triggered_by = NULL;
2705 bool print_warning_label = true;
2706 UnitActiveState active_state;
2707 char **i;
2708 int r;
2709
2710 r = unit_name_mangle(name, 0, &n);
2711 if (r < 0)
2712 return log_error_errno(r, "Failed to mangle unit name: %m");
2713
2714 r = unit_load_state(bus, name, &load_state);
2715 if (r < 0)
2716 return r;
2717
2718 if (streq(load_state, "masked"))
2719 return 0;
2720
2721 path = unit_dbus_path_from_name(n);
2722 if (!path)
2723 return log_oom();
2724
2725 r = sd_bus_get_property_strv(
2726 bus,
2727 "org.freedesktop.systemd1",
2728 path,
2729 "org.freedesktop.systemd1.Unit",
2730 "TriggeredBy",
2731 &error,
2732 &triggered_by);
2733 if (r < 0)
2734 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2735
2736 STRV_FOREACH(i, triggered_by) {
2737 r = get_state_one_unit(bus, *i, &active_state);
2738 if (r < 0)
2739 return r;
2740
2741 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2742 continue;
2743
2744 if (print_warning_label) {
2745 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2746 print_warning_label = false;
2747 }
2748
2749 log_warning(" %s", *i);
2750 }
2751
2752 return 0;
2753 }
2754
2755 static const struct {
2756 const char *verb;
2757 const char *method;
2758 } unit_actions[] = {
2759 { "start", "StartUnit" },
2760 { "stop", "StopUnit" },
2761 { "condstop", "StopUnit" },
2762 { "reload", "ReloadUnit" },
2763 { "restart", "RestartUnit" },
2764 { "try-restart", "TryRestartUnit" },
2765 { "condrestart", "TryRestartUnit" },
2766 { "reload-or-restart", "ReloadOrRestartUnit" },
2767 { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
2768 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2769 { "condreload", "ReloadOrTryRestartUnit" },
2770 { "force-reload", "ReloadOrTryRestartUnit" }
2771 };
2772
2773 static const char *verb_to_method(const char *verb) {
2774 uint i;
2775
2776 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2777 if (streq_ptr(unit_actions[i].verb, verb))
2778 return unit_actions[i].method;
2779
2780 return "StartUnit";
2781 }
2782
2783 static const char *method_to_verb(const char *method) {
2784 uint i;
2785
2786 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2787 if (streq_ptr(unit_actions[i].method, method))
2788 return unit_actions[i].verb;
2789
2790 return "n/a";
2791 }
2792
2793 typedef struct {
2794 sd_bus_slot *match;
2795 sd_event *event;
2796 Set *unit_paths;
2797 bool any_failed;
2798 } WaitContext;
2799
2800 static void wait_context_free(WaitContext *c) {
2801 c->match = sd_bus_slot_unref(c->match);
2802 c->event = sd_event_unref(c->event);
2803 c->unit_paths = set_free_free(c->unit_paths);
2804 }
2805
2806 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2807 const char *path, *interface, *active_state = NULL, *job_path = NULL;
2808 WaitContext *c = userdata;
2809 bool is_failed;
2810 int r;
2811
2812 /* Called whenever we get a PropertiesChanged signal. Checks if ActiveState changed to inactive/failed.
2813 *
2814 * Signal parameters: (s interface, a{sv} changed_properties, as invalidated_properties) */
2815
2816 path = sd_bus_message_get_path(m);
2817 if (!set_contains(c->unit_paths, path))
2818 return 0;
2819
2820 r = sd_bus_message_read(m, "s", &interface);
2821 if (r < 0)
2822 return bus_log_parse_error(r);
2823
2824 if (!streq(interface, "org.freedesktop.systemd1.Unit")) /* ActiveState is on the Unit interface */
2825 return 0;
2826
2827 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2828 if (r < 0)
2829 return bus_log_parse_error(r);
2830
2831 for (;;) {
2832 const char *s;
2833
2834 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv");
2835 if (r < 0)
2836 return bus_log_parse_error(r);
2837 if (r == 0) /* end of array */
2838 break;
2839
2840 r = sd_bus_message_read(m, "s", &s); /* Property name */
2841 if (r < 0)
2842 return bus_log_parse_error(r);
2843
2844 if (streq(s, "ActiveState")) {
2845 r = sd_bus_message_read(m, "v", "s", &active_state);
2846 if (r < 0)
2847 return bus_log_parse_error(r);
2848
2849 if (job_path) /* Found everything we need */
2850 break;
2851
2852 } else if (streq(s, "Job")) {
2853 uint32_t job_id;
2854
2855 r = sd_bus_message_read(m, "v", "(uo)", &job_id, &job_path);
2856 if (r < 0)
2857 return bus_log_parse_error(r);
2858
2859 /* There's still a job pending for this unit, let's ignore this for now, and return right-away. */
2860 if (job_id != 0)
2861 return 0;
2862
2863 if (active_state) /* Found everything we need */
2864 break;
2865
2866 } else {
2867 r = sd_bus_message_skip(m, "v"); /* Other property */
2868 if (r < 0)
2869 return bus_log_parse_error(r);
2870 }
2871
2872 r = sd_bus_message_exit_container(m);
2873 if (r < 0)
2874 return bus_log_parse_error(r);
2875 }
2876
2877 /* If this didn't contain the ActiveState property we can't do anything */
2878 if (!active_state)
2879 return 0;
2880
2881 is_failed = streq(active_state, "failed");
2882 if (streq(active_state, "inactive") || is_failed) {
2883 log_debug("%s became %s, dropping from --wait tracking", path, active_state);
2884 free(set_remove(c->unit_paths, path));
2885 c->any_failed = c->any_failed || is_failed;
2886 } else
2887 log_debug("ActiveState on %s changed to %s", path, active_state);
2888
2889 if (set_isempty(c->unit_paths))
2890 sd_event_exit(c->event, EXIT_SUCCESS);
2891
2892 return 0;
2893 }
2894
2895 static int start_unit_one(
2896 sd_bus *bus,
2897 const char *method,
2898 const char *name,
2899 const char *mode,
2900 sd_bus_error *error,
2901 BusWaitForJobs *w,
2902 WaitContext *wait_context) {
2903
2904 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2905 const char *path;
2906 int r;
2907
2908 assert(method);
2909 assert(name);
2910 assert(mode);
2911 assert(error);
2912
2913 if (wait_context) {
2914 _cleanup_free_ char *unit_path = NULL;
2915
2916 log_debug("Watching for property changes of %s", name);
2917 r = sd_bus_call_method(
2918 bus,
2919 "org.freedesktop.systemd1",
2920 "/org/freedesktop/systemd1",
2921 "org.freedesktop.systemd1.Manager",
2922 "RefUnit",
2923 error,
2924 NULL,
2925 "s", name);
2926 if (r < 0)
2927 return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r));
2928
2929 unit_path = unit_dbus_path_from_name(name);
2930 if (!unit_path)
2931 return log_oom();
2932
2933 r = set_put_strdup(wait_context->unit_paths, unit_path);
2934 if (r < 0)
2935 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2936
2937 r = sd_bus_match_signal_async(bus,
2938 &wait_context->match,
2939 NULL,
2940 unit_path,
2941 "org.freedesktop.DBus.Properties",
2942 "PropertiesChanged",
2943 on_properties_changed, NULL, wait_context);
2944 if (r < 0)
2945 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2946 }
2947
2948 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2949 arg_dry_run ? "Would execute" : "Executing",
2950 method, name, mode);
2951 if (arg_dry_run)
2952 return 0;
2953
2954 r = sd_bus_call_method(
2955 bus,
2956 "org.freedesktop.systemd1",
2957 "/org/freedesktop/systemd1",
2958 "org.freedesktop.systemd1.Manager",
2959 method,
2960 error,
2961 &reply,
2962 "ss", name, mode);
2963 if (r < 0) {
2964 const char *verb;
2965
2966 /* There's always a fallback possible for legacy actions. */
2967 if (arg_action != ACTION_SYSTEMCTL)
2968 return r;
2969
2970 verb = method_to_verb(method);
2971
2972 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2973
2974 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2975 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2976 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2977 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2978 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2979 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2980 name[0] == '-' ? " --" : "",
2981 name);
2982
2983 return r;
2984 }
2985
2986 r = sd_bus_message_read(reply, "o", &path);
2987 if (r < 0)
2988 return bus_log_parse_error(r);
2989
2990 if (need_daemon_reload(bus, name) > 0)
2991 warn_unit_file_changed(name);
2992
2993 if (w) {
2994 log_debug("Adding %s to the set", path);
2995 r = bus_wait_for_jobs_add(w, path);
2996 if (r < 0)
2997 return log_oom();
2998 }
2999
3000 return 0;
3001 }
3002
3003 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
3004 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
3005 char **name;
3006 int r, i;
3007
3008 assert(bus);
3009 assert(ret);
3010
3011 STRV_FOREACH(name, names) {
3012 char *t;
3013 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
3014
3015 if (suffix)
3016 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
3017 else
3018 r = unit_name_mangle(*name, options, &t);
3019 if (r < 0)
3020 return log_error_errno(r, "Failed to mangle name: %m");
3021
3022 if (string_is_glob(t))
3023 r = strv_consume(&globs, t);
3024 else
3025 r = strv_consume(&mangled, t);
3026 if (r < 0)
3027 return log_oom();
3028 }
3029
3030 /* Query the manager only if any of the names are a glob, since
3031 * this is fairly expensive */
3032 if (!strv_isempty(globs)) {
3033 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3034 _cleanup_free_ UnitInfo *unit_infos = NULL;
3035 size_t allocated, n;
3036
3037 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
3038 if (r < 0)
3039 return r;
3040
3041 n = strv_length(mangled);
3042 allocated = n + 1;
3043
3044 for (i = 0; i < r; i++) {
3045 if (!GREEDY_REALLOC(mangled, allocated, n+2))
3046 return log_oom();
3047
3048 mangled[n] = strdup(unit_infos[i].id);
3049 if (!mangled[n])
3050 return log_oom();
3051
3052 mangled[++n] = NULL;
3053 }
3054 }
3055
3056 *ret = TAKE_PTR(mangled);
3057
3058 return 0;
3059 }
3060
3061 static const struct {
3062 const char *target;
3063 const char *verb;
3064 const char *mode;
3065 } action_table[_ACTION_MAX] = {
3066 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3067 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3068 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3069 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3070 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3071 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3072 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3073 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3074 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3075 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3076 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3077 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3078 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3079 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3080 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3081 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3082 };
3083
3084 static enum action verb_to_action(const char *verb) {
3085 enum action i;
3086
3087 for (i = 0; i < _ACTION_MAX; i++)
3088 if (streq_ptr(action_table[i].verb, verb))
3089 return i;
3090
3091 return _ACTION_INVALID;
3092 }
3093
3094 static int start_unit(int argc, char *argv[], void *userdata) {
3095 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3096 _cleanup_(wait_context_free) WaitContext wait_context = {};
3097 const char *method, *mode, *one_name, *suffix = NULL;
3098 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3099 _cleanup_strv_free_ char **names = NULL;
3100 int r, ret = EXIT_SUCCESS;
3101 sd_bus *bus;
3102 char **name;
3103
3104 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3105 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3106 return -EINVAL;
3107 }
3108
3109 /* we cannot do sender tracking on the private bus, so we need the full
3110 * one for RefUnit to implement --wait */
3111 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3112 if (r < 0)
3113 return r;
3114
3115 ask_password_agent_open_if_enabled();
3116 polkit_agent_open_maybe();
3117
3118 if (arg_action == ACTION_SYSTEMCTL) {
3119 enum action action;
3120
3121 action = verb_to_action(argv[0]);
3122
3123 if (action != _ACTION_INVALID) {
3124 method = "StartUnit";
3125 mode = action_table[action].mode;
3126 one_name = action_table[action].target;
3127 } else {
3128 if (streq(argv[0], "isolate")) {
3129 method = "StartUnit";
3130 mode = "isolate";
3131
3132 suffix = ".target";
3133 } else {
3134 method = verb_to_method(argv[0]);
3135 mode = arg_job_mode;
3136 }
3137 one_name = NULL;
3138 }
3139 } else {
3140 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3141 assert(action_table[arg_action].target);
3142 assert(action_table[arg_action].mode);
3143
3144 method = "StartUnit";
3145 mode = action_table[arg_action].mode;
3146 one_name = action_table[arg_action].target;
3147 }
3148
3149 if (one_name) {
3150 names = strv_new(one_name);
3151 if (!names)
3152 return log_oom();
3153 } else {
3154 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3155 if (r < 0)
3156 return log_error_errno(r, "Failed to expand names: %m");
3157 }
3158
3159 if (!arg_no_block) {
3160 r = bus_wait_for_jobs_new(bus, &w);
3161 if (r < 0)
3162 return log_error_errno(r, "Could not watch jobs: %m");
3163 }
3164
3165 if (arg_wait) {
3166 wait_context.unit_paths = set_new(&string_hash_ops);
3167 if (!wait_context.unit_paths)
3168 return log_oom();
3169
3170 r = sd_bus_call_method_async(
3171 bus,
3172 NULL,
3173 "org.freedesktop.systemd1",
3174 "/org/freedesktop/systemd1",
3175 "org.freedesktop.systemd1.Manager",
3176 "Subscribe",
3177 NULL, NULL,
3178 NULL);
3179 if (r < 0)
3180 return log_error_errno(r, "Failed to enable subscription: %m");
3181 r = sd_event_default(&wait_context.event);
3182 if (r < 0)
3183 return log_error_errno(r, "Failed to allocate event loop: %m");
3184 r = sd_bus_attach_event(bus, wait_context.event, 0);
3185 if (r < 0)
3186 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3187 }
3188
3189 STRV_FOREACH(name, names) {
3190 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3191
3192 r = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3193 if (ret == EXIT_SUCCESS && r < 0)
3194 ret = translate_bus_error_to_exit_status(r, &error);
3195
3196 if (r >= 0 && streq(method, "StopUnit")) {
3197 r = strv_push(&stopped_units, *name);
3198 if (r < 0)
3199 return log_oom();
3200 }
3201 }
3202
3203 if (!arg_no_block) {
3204 const char* extra_args[4] = {};
3205 int arg_count = 0;
3206
3207 if (arg_scope != UNIT_FILE_SYSTEM)
3208 extra_args[arg_count++] = "--user";
3209
3210 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3211 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3212 extra_args[arg_count++] = "-H";
3213 extra_args[arg_count++] = arg_host;
3214 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3215 extra_args[arg_count++] = "-M";
3216 extra_args[arg_count++] = arg_host;
3217 }
3218
3219 r = bus_wait_for_jobs(w, arg_quiet, extra_args);
3220 if (r < 0)
3221 return r;
3222
3223 /* When stopping units, warn if they can still be triggered by
3224 * another active unit (socket, path, timer) */
3225 if (!arg_quiet)
3226 STRV_FOREACH(name, stopped_units)
3227 (void) check_triggering_units(bus, *name);
3228 }
3229
3230 if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) {
3231 r = sd_event_loop(wait_context.event);
3232 if (r < 0)
3233 return log_error_errno(r, "Failed to run event loop: %m");
3234 if (wait_context.any_failed)
3235 ret = EXIT_FAILURE;
3236 }
3237
3238 return ret;
3239 }
3240
3241 #if ENABLE_LOGIND
3242 static int logind_set_wall_message(void) {
3243 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3244 sd_bus *bus;
3245 _cleanup_free_ char *m = NULL;
3246 int r;
3247
3248 r = acquire_bus(BUS_FULL, &bus);
3249 if (r < 0)
3250 return r;
3251
3252 m = strv_join(arg_wall, " ");
3253 if (!m)
3254 return log_oom();
3255
3256 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3257 if (arg_dry_run)
3258 return 0;
3259
3260 r = sd_bus_call_method(
3261 bus,
3262 "org.freedesktop.login1",
3263 "/org/freedesktop/login1",
3264 "org.freedesktop.login1.Manager",
3265 "SetWallMessage",
3266 &error,
3267 NULL,
3268 "sb",
3269 m,
3270 !arg_no_wall);
3271
3272 if (r < 0)
3273 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3274 return 0;
3275 }
3276 #endif
3277
3278 /* Ask systemd-logind, which might grant access to unprivileged users
3279 * through polkit */
3280 static int logind_reboot(enum action a) {
3281 #if ENABLE_LOGIND
3282 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3283 const char *method, *description;
3284 sd_bus *bus;
3285 int r;
3286
3287 r = acquire_bus(BUS_FULL, &bus);
3288 if (r < 0)
3289 return r;
3290
3291 switch (a) {
3292
3293 case ACTION_POWEROFF:
3294 method = "PowerOff";
3295 description = "power off system";
3296 break;
3297
3298 case ACTION_REBOOT:
3299 method = "Reboot";
3300 description = "reboot system";
3301 break;
3302
3303 case ACTION_HALT:
3304 method = "Halt";
3305 description = "halt system";
3306 break;
3307
3308 case ACTION_SUSPEND:
3309 method = "Suspend";
3310 description = "suspend system";
3311 break;
3312
3313 case ACTION_HIBERNATE:
3314 method = "Hibernate";
3315 description = "hibernate system";
3316 break;
3317
3318 case ACTION_HYBRID_SLEEP:
3319 method = "HybridSleep";
3320 description = "put system into hybrid sleep";
3321 break;
3322
3323 case ACTION_SUSPEND_THEN_HIBERNATE:
3324 method = "SuspendThenHibernate";
3325 description = "put system into suspend followed by hibernate";
3326 break;
3327
3328 default:
3329 return -EINVAL;
3330 }
3331
3332 polkit_agent_open_maybe();
3333 (void) logind_set_wall_message();
3334
3335 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3336 if (arg_dry_run)
3337 return 0;
3338
3339 r = sd_bus_call_method(
3340 bus,
3341 "org.freedesktop.login1",
3342 "/org/freedesktop/login1",
3343 "org.freedesktop.login1.Manager",
3344 method,
3345 &error,
3346 NULL,
3347 "b", arg_ask_password);
3348 if (r < 0)
3349 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3350
3351 return 0;
3352 #else
3353 return -ENOSYS;
3354 #endif
3355 }
3356
3357 static int logind_check_inhibitors(enum action a) {
3358 #if ENABLE_LOGIND
3359 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3360 _cleanup_strv_free_ char **sessions = NULL;
3361 const char *what, *who, *why, *mode;
3362 uint32_t uid, pid;
3363 sd_bus *bus;
3364 unsigned c = 0;
3365 char **s;
3366 int r;
3367
3368 if (arg_ignore_inhibitors || arg_force > 0)
3369 return 0;
3370
3371 if (arg_when > 0)
3372 return 0;
3373
3374 if (geteuid() == 0)
3375 return 0;
3376
3377 if (!on_tty())
3378 return 0;
3379
3380 if (arg_transport != BUS_TRANSPORT_LOCAL)
3381 return 0;
3382
3383 r = acquire_bus(BUS_FULL, &bus);
3384 if (r < 0)
3385 return r;
3386
3387 r = sd_bus_call_method(
3388 bus,
3389 "org.freedesktop.login1",
3390 "/org/freedesktop/login1",
3391 "org.freedesktop.login1.Manager",
3392 "ListInhibitors",
3393 NULL,
3394 &reply,
3395 NULL);
3396 if (r < 0)
3397 /* If logind is not around, then there are no inhibitors... */
3398 return 0;
3399
3400 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3401 if (r < 0)
3402 return bus_log_parse_error(r);
3403
3404 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3405 _cleanup_free_ char *comm = NULL, *user = NULL;
3406 _cleanup_strv_free_ char **sv = NULL;
3407
3408 if (!streq(mode, "block"))
3409 continue;
3410
3411 sv = strv_split(what, ":");
3412 if (!sv)
3413 return log_oom();
3414
3415 if (!pid_is_valid((pid_t) pid)) {
3416 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3417 return -ERANGE;
3418 }
3419
3420 if (!strv_contains(sv,
3421 IN_SET(a,
3422 ACTION_HALT,
3423 ACTION_POWEROFF,
3424 ACTION_REBOOT,
3425 ACTION_KEXEC) ? "shutdown" : "sleep"))
3426 continue;
3427
3428 get_process_comm(pid, &comm);
3429 user = uid_to_name(uid);
3430
3431 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3432 who, (pid_t) pid, strna(comm), strna(user), why);
3433
3434 c++;
3435 }
3436 if (r < 0)
3437 return bus_log_parse_error(r);
3438
3439 r = sd_bus_message_exit_container(reply);
3440 if (r < 0)
3441 return bus_log_parse_error(r);
3442
3443 /* Check for current sessions */
3444 sd_get_sessions(&sessions);
3445 STRV_FOREACH(s, sessions) {
3446 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3447
3448 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3449 continue;
3450
3451 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3452 continue;
3453
3454 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3455 continue;
3456
3457 sd_session_get_tty(*s, &tty);
3458 sd_session_get_seat(*s, &seat);
3459 sd_session_get_service(*s, &service);
3460 user = uid_to_name(uid);
3461
3462 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3463 c++;
3464 }
3465
3466 if (c <= 0)
3467 return 0;
3468
3469 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3470 action_table[a].verb);
3471
3472 return -EPERM;
3473 #else
3474 return 0;
3475 #endif
3476 }
3477
3478 static int prepare_firmware_setup(void) {
3479
3480 if (!arg_firmware_setup)
3481 return 0;
3482
3483 #if ENABLE_LOGIND
3484 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3485 sd_bus *bus;
3486 int r;
3487
3488 r = acquire_bus(BUS_FULL, &bus);
3489 if (r < 0)
3490 return r;
3491
3492 r = sd_bus_call_method(
3493 bus,
3494 "org.freedesktop.login1",
3495 "/org/freedesktop/login1",
3496 "org.freedesktop.login1.Manager",
3497 "SetRebootToFirmwareSetup",
3498 &error,
3499 NULL,
3500 "b", true);
3501 if (r < 0)
3502 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3503
3504 return 0;
3505 #else
3506 log_error("Booting into firmware setup not supported.");
3507 return -ENOSYS;
3508 #endif
3509 }
3510
3511 static int prepare_boot_loader_menu(void) {
3512
3513 if (arg_boot_loader_menu == USEC_INFINITY)
3514 return 0;
3515
3516 #if ENABLE_LOGIND
3517 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3518 sd_bus *bus;
3519 int r;
3520
3521 r = acquire_bus(BUS_FULL, &bus);
3522 if (r < 0)
3523 return r;
3524
3525 r = sd_bus_call_method(
3526 bus,
3527 "org.freedesktop.login1",
3528 "/org/freedesktop/login1",
3529 "org.freedesktop.login1.Manager",
3530 "SetRebootToBootLoaderMenu",
3531 &error,
3532 NULL,
3533 "t", arg_boot_loader_menu);
3534 if (r < 0)
3535 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3536
3537 return 0;
3538 #else
3539 log_error("Booting into boot loader menu not supported.");
3540 return -ENOSYS;
3541 #endif
3542 }
3543
3544 static int prepare_boot_loader_entry(void) {
3545
3546 if (!arg_boot_loader_entry)
3547 return 0;
3548
3549 #if ENABLE_LOGIND
3550 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3551 sd_bus *bus;
3552 int r;
3553
3554 r = acquire_bus(BUS_FULL, &bus);
3555 if (r < 0)
3556 return r;
3557
3558 r = sd_bus_call_method(
3559 bus,
3560 "org.freedesktop.login1",
3561 "/org/freedesktop/login1",
3562 "org.freedesktop.login1.Manager",
3563 "SetRebootToBootLoaderEntry",
3564 &error,
3565 NULL,
3566 "s", arg_boot_loader_entry);
3567 if (r < 0)
3568 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3569
3570 return 0;
3571 #else
3572 log_error("Booting into boot loader entry not supported.");
3573 return -ENOSYS;
3574 #endif
3575 }
3576
3577 static int load_kexec_kernel(void) {
3578 _cleanup_(boot_config_free) BootConfig config = {};
3579 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3580 const BootEntry *e;
3581 pid_t pid;
3582 int r;
3583
3584 if (kexec_loaded()) {
3585 log_debug("Kexec kernel already loaded.");
3586 return 0;
3587 }
3588
3589 if (access(KEXEC, X_OK) < 0)
3590 return log_error_errno(errno, KEXEC" is not available: %m");
3591
3592 r = boot_entries_load_config_auto(NULL, NULL, &config);
3593 if (r < 0)
3594 return r;
3595
3596 e = boot_config_default_entry(&config);
3597 if (!e)
3598 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3599 "No boot loader entry suitable as default, refusing to guess.");
3600
3601 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3602
3603 if (!e->kernel)
3604 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3605 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3606 if (strv_length(e->initrd) > 1)
3607 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3608 "Boot entry specifies multiple initrds, which is not supported currently.");
3609
3610 kernel = path_join(e->root, e->kernel);
3611 if (!kernel)
3612 return log_oom();
3613
3614 if (!strv_isempty(e->initrd)) {
3615 initrd = path_join(e->root, e->initrd[0]);
3616 if (!initrd)
3617 return log_oom();
3618 }
3619
3620 options = strv_join(e->options, " ");
3621 if (!options)
3622 return log_oom();
3623
3624 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3625 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3626 arg_dry_run ? "Would run" : "Running",
3627 kernel,
3628 options,
3629 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3630 if (arg_dry_run)
3631 return 0;
3632
3633 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3634 if (r < 0)
3635 return r;
3636 if (r == 0) {
3637 const char* const args[] = {
3638 KEXEC,
3639 "--load", kernel,
3640 "--append", options,
3641 initrd ? "--initrd" : NULL, initrd,
3642 NULL
3643 };
3644
3645 /* Child */
3646 execv(args[0], (char * const *) args);
3647 _exit(EXIT_FAILURE);
3648 }
3649
3650 return 0;
3651 }
3652
3653 static int set_exit_code(uint8_t code) {
3654 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3655 sd_bus *bus;
3656 int r;
3657
3658 r = acquire_bus(BUS_MANAGER, &bus);
3659 if (r < 0)
3660 return r;
3661
3662 r = sd_bus_call_method(
3663 bus,
3664 "org.freedesktop.systemd1",
3665 "/org/freedesktop/systemd1",
3666 "org.freedesktop.systemd1.Manager",
3667 "SetExitCode",
3668 &error,
3669 NULL,
3670 "y", code);
3671 if (r < 0)
3672 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3673
3674 return 0;
3675 }
3676
3677 static int start_special(int argc, char *argv[], void *userdata) {
3678 enum action a;
3679 int r;
3680 bool termination_action; /* an action that terminates the manager,
3681 * can be performed also by signal. */
3682
3683 assert(argv);
3684
3685 a = verb_to_action(argv[0]);
3686
3687 r = logind_check_inhibitors(a);
3688 if (r < 0)
3689 return r;
3690
3691 if (arg_force >= 2) {
3692 r = must_be_root();
3693 if (r < 0)
3694 return r;
3695 }
3696
3697 r = prepare_firmware_setup();
3698 if (r < 0)
3699 return r;
3700
3701 r = prepare_boot_loader_menu();
3702 if (r < 0)
3703 return r;
3704
3705 r = prepare_boot_loader_entry();
3706 if (r < 0)
3707 return r;
3708
3709 if (a == ACTION_REBOOT && argc > 1) {
3710 r = update_reboot_parameter_and_warn(argv[1]);
3711 if (r < 0)
3712 return r;
3713
3714 } else if (a == ACTION_KEXEC) {
3715 r = load_kexec_kernel();
3716 if (r < 0 && arg_force >= 1)
3717 log_notice("Failed to load kexec kernel, continuing without.");
3718 else if (r < 0)
3719 return r;
3720
3721 } else if (a == ACTION_EXIT && argc > 1) {
3722 uint8_t code;
3723
3724 /* If the exit code is not given on the command line,
3725 * don't reset it to zero: just keep it as it might
3726 * have been set previously. */
3727
3728 r = safe_atou8(argv[1], &code);
3729 if (r < 0)
3730 return log_error_errno(r, "Invalid exit code.");
3731
3732 r = set_exit_code(code);
3733 if (r < 0)
3734 return r;
3735 }
3736
3737 termination_action = IN_SET(a,
3738 ACTION_HALT,
3739 ACTION_POWEROFF,
3740 ACTION_REBOOT);
3741 if (termination_action && arg_force >= 2)
3742 return halt_now(a);
3743
3744 if (arg_force >= 1 &&
3745 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3746 r = trivial_method(argc, argv, userdata);
3747 else {
3748 /* First try logind, to allow authentication with polkit */
3749 if (IN_SET(a,
3750 ACTION_POWEROFF,
3751 ACTION_REBOOT,
3752 ACTION_HALT,
3753 ACTION_SUSPEND,
3754 ACTION_HIBERNATE,
3755 ACTION_HYBRID_SLEEP,
3756 ACTION_SUSPEND_THEN_HIBERNATE)) {
3757
3758 r = logind_reboot(a);
3759 if (r >= 0)
3760 return r;
3761 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3762 /* requested operation is not supported or already in progress */
3763 return r;
3764
3765 /* On all other errors, try low-level operation. In order to minimize the difference between
3766 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3767 * logind's shutdown operations are always non-blocking. */
3768
3769 arg_no_block = true;
3770
3771 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3772 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3773 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3774 arg_no_block = true;
3775
3776 r = start_unit(argc, argv, userdata);
3777 }
3778
3779 if (termination_action && arg_force < 2 &&
3780 IN_SET(r, -ENOENT, -ETIMEDOUT))
3781 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3782
3783 return r;
3784 }
3785
3786 static int start_system_special(int argc, char *argv[], void *userdata) {
3787 /* Like start_special above, but raises an error when running in user mode */
3788
3789 if (arg_scope != UNIT_FILE_SYSTEM)
3790 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3791 "Bad action for %s mode.",
3792 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3793
3794 return start_special(argc, argv, userdata);
3795 }
3796
3797 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3798 _cleanup_strv_free_ char **names = NULL;
3799 UnitActiveState active_state;
3800 sd_bus *bus;
3801 char **name;
3802 int r, i;
3803 bool found = false;
3804
3805 r = acquire_bus(BUS_MANAGER, &bus);
3806 if (r < 0)
3807 return r;
3808
3809 r = expand_names(bus, args, NULL, &names);
3810 if (r < 0)
3811 return log_error_errno(r, "Failed to expand names: %m");
3812
3813 STRV_FOREACH(name, names) {
3814 r = get_state_one_unit(bus, *name, &active_state);
3815 if (r < 0)
3816 return r;
3817
3818 if (!arg_quiet)
3819 puts(unit_active_state_to_string(active_state));
3820
3821 for (i = 0; i < nb_states; ++i)
3822 if (good_states[i] == active_state)
3823 found = true;
3824 }
3825
3826 /* use the given return code for the case that we won't find
3827 * any unit which matches the list */
3828 return found ? 0 : code;
3829 }
3830
3831 static int check_unit_active(int argc, char *argv[], void *userdata) {
3832 static const UnitActiveState states[] = {
3833 UNIT_ACTIVE,
3834 UNIT_RELOADING,
3835 };
3836
3837 /* According to LSB: 3, "program is not running" */
3838 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3839 }
3840
3841 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3842 static const UnitActiveState states[] = {
3843 UNIT_FAILED,
3844 };
3845
3846 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3847 }
3848
3849 static int kill_unit(int argc, char *argv[], void *userdata) {
3850 _cleanup_strv_free_ char **names = NULL;
3851 char *kill_who = NULL, **name;
3852 sd_bus *bus;
3853 int r, q;
3854
3855 r = acquire_bus(BUS_MANAGER, &bus);
3856 if (r < 0)
3857 return r;
3858
3859 polkit_agent_open_maybe();
3860
3861 if (!arg_kill_who)
3862 arg_kill_who = "all";
3863
3864 /* --fail was specified */
3865 if (streq(arg_job_mode, "fail"))
3866 kill_who = strjoina(arg_kill_who, "-fail");
3867
3868 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3869 if (r < 0)
3870 return log_error_errno(r, "Failed to expand names: %m");
3871
3872 STRV_FOREACH(name, names) {
3873 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3874
3875 q = sd_bus_call_method(
3876 bus,
3877 "org.freedesktop.systemd1",
3878 "/org/freedesktop/systemd1",
3879 "org.freedesktop.systemd1.Manager",
3880 "KillUnit",
3881 &error,
3882 NULL,
3883 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3884 if (q < 0) {
3885 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3886 if (r == 0)
3887 r = q;
3888 }
3889 }
3890
3891 return r;
3892 }
3893
3894 typedef struct ExecStatusInfo {
3895 char *name;
3896
3897 char *path;
3898 char **argv;
3899
3900 bool ignore;
3901
3902 usec_t start_timestamp;
3903 usec_t exit_timestamp;
3904 pid_t pid;
3905 int code;
3906 int status;
3907
3908 LIST_FIELDS(struct ExecStatusInfo, exec);
3909 } ExecStatusInfo;
3910
3911 static void exec_status_info_free(ExecStatusInfo *i) {
3912 assert(i);
3913
3914 free(i->name);
3915 free(i->path);
3916 strv_free(i->argv);
3917 free(i);
3918 }
3919
3920 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3921 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3922 const char *path;
3923 uint32_t pid;
3924 int32_t code, status;
3925 int ignore, r;
3926
3927 assert(m);
3928 assert(i);
3929
3930 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3931 if (r < 0)
3932 return bus_log_parse_error(r);
3933 else if (r == 0)
3934 return 0;
3935
3936 r = sd_bus_message_read(m, "s", &path);
3937 if (r < 0)
3938 return bus_log_parse_error(r);
3939
3940 i->path = strdup(path);
3941 if (!i->path)
3942 return log_oom();
3943
3944 r = sd_bus_message_read_strv(m, &i->argv);
3945 if (r < 0)
3946 return bus_log_parse_error(r);
3947
3948 r = sd_bus_message_read(m,
3949 "bttttuii",
3950 &ignore,
3951 &start_timestamp, &start_timestamp_monotonic,
3952 &exit_timestamp, &exit_timestamp_monotonic,
3953 &pid,
3954 &code, &status);
3955 if (r < 0)
3956 return bus_log_parse_error(r);
3957
3958 i->ignore = ignore;
3959 i->start_timestamp = (usec_t) start_timestamp;
3960 i->exit_timestamp = (usec_t) exit_timestamp;
3961 i->pid = (pid_t) pid;
3962 i->code = code;
3963 i->status = status;
3964
3965 r = sd_bus_message_exit_container(m);
3966 if (r < 0)
3967 return bus_log_parse_error(r);
3968
3969 return 1;
3970 }
3971
3972 typedef struct UnitCondition {
3973 char *name;
3974 char *param;
3975 bool trigger;
3976 bool negate;
3977 int tristate;
3978
3979 LIST_FIELDS(struct UnitCondition, conditions);
3980 } UnitCondition;
3981
3982 static void unit_condition_free(UnitCondition *c) {
3983 if (!c)
3984 return;
3985
3986 free(c->name);
3987 free(c->param);
3988 free(c);
3989 }
3990
3991 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3992
3993 typedef struct UnitStatusInfo {
3994 const char *id;
3995 const char *load_state;
3996 const char *active_state;
3997 const char *sub_state;
3998 const char *unit_file_state;
3999 const char *unit_file_preset;
4000
4001 const char *description;
4002 const char *following;
4003
4004 char **documentation;
4005
4006 const char *fragment_path;
4007 const char *source_path;
4008 const char *control_group;
4009
4010 char **dropin_paths;
4011
4012 const char *load_error;
4013 const char *result;
4014
4015 usec_t inactive_exit_timestamp;
4016 usec_t inactive_exit_timestamp_monotonic;
4017 usec_t active_enter_timestamp;
4018 usec_t active_exit_timestamp;
4019 usec_t inactive_enter_timestamp;
4020
4021 bool need_daemon_reload;
4022 bool transient;
4023
4024 /* Service */
4025 pid_t main_pid;
4026 pid_t control_pid;
4027 const char *status_text;
4028 const char *pid_file;
4029 bool running:1;
4030 int status_errno;
4031
4032 usec_t start_timestamp;
4033 usec_t exit_timestamp;
4034
4035 int exit_code, exit_status;
4036
4037 usec_t condition_timestamp;
4038 bool condition_result;
4039 LIST_HEAD(UnitCondition, conditions);
4040
4041 usec_t assert_timestamp;
4042 bool assert_result;
4043 bool failed_assert_trigger;
4044 bool failed_assert_negate;
4045 const char *failed_assert;
4046 const char *failed_assert_parameter;
4047 usec_t next_elapse_real;
4048 usec_t next_elapse_monotonic;
4049
4050 /* Socket */
4051 unsigned n_accepted;
4052 unsigned n_connections;
4053 unsigned n_refused;
4054 bool accept;
4055
4056 /* Pairs of type, path */
4057 char **listen;
4058
4059 /* Device */
4060 const char *sysfs_path;
4061
4062 /* Mount, Automount */
4063 const char *where;
4064
4065 /* Swap */
4066 const char *what;
4067
4068 /* CGroup */
4069 uint64_t memory_current;
4070 uint64_t memory_min;
4071 uint64_t memory_low;
4072 uint64_t memory_high;
4073 uint64_t memory_max;
4074 uint64_t memory_swap_max;
4075 uint64_t memory_limit;
4076 uint64_t cpu_usage_nsec;
4077 uint64_t tasks_current;
4078 uint64_t tasks_max;
4079
4080 uint64_t ip_ingress_bytes;
4081 uint64_t ip_egress_bytes;
4082
4083 LIST_HEAD(ExecStatusInfo, exec);
4084 } UnitStatusInfo;
4085
4086 static void unit_status_info_free(UnitStatusInfo *info) {
4087 ExecStatusInfo *p;
4088 UnitCondition *c;
4089
4090 strv_free(info->documentation);
4091 strv_free(info->dropin_paths);
4092 strv_free(info->listen);
4093
4094 while ((c = info->conditions)) {
4095 LIST_REMOVE(conditions, info->conditions, c);
4096 unit_condition_free(c);
4097 }
4098
4099 while ((p = info->exec)) {
4100 LIST_REMOVE(exec, info->exec, p);
4101 exec_status_info_free(p);
4102 }
4103 }
4104
4105 static void print_status_info(
4106 sd_bus *bus,
4107 UnitStatusInfo *i,
4108 bool *ellipsized) {
4109
4110 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4111 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4112 _cleanup_free_ char *formatted_path = NULL;
4113 ExecStatusInfo *p;
4114 usec_t timestamp;
4115 const char *path;
4116 char **t, **t2;
4117 int r;
4118
4119 assert(i);
4120
4121 /* This shows pretty information about a unit. See
4122 * print_property() for a low-level property printer */
4123
4124 if (streq_ptr(i->active_state, "failed")) {
4125 active_on = ansi_highlight_red();
4126 active_off = ansi_normal();
4127 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4128 active_on = ansi_highlight_green();
4129 active_off = ansi_normal();
4130 } else
4131 active_on = active_off = "";
4132
4133 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4134
4135 if (i->description && !streq_ptr(i->id, i->description))
4136 printf(" - %s", i->description);
4137
4138 printf("\n");
4139
4140 if (i->following)
4141 printf(" Follow: unit currently follows state of %s\n", i->following);
4142
4143 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4144 on = ansi_highlight_red();
4145 off = ansi_normal();
4146 } else
4147 on = off = "";
4148
4149 path = i->source_path ?: i->fragment_path;
4150 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4151 path = formatted_path;
4152
4153 if (!isempty(i->load_error))
4154 printf(" Loaded: %s%s%s (Reason: %s)\n",
4155 on, strna(i->load_state), off, i->load_error);
4156 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4157 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4158 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4159 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4160 else if (path && !isempty(i->unit_file_state))
4161 printf(" Loaded: %s%s%s (%s; %s)\n",
4162 on, strna(i->load_state), off, path, i->unit_file_state);
4163 else if (path)
4164 printf(" Loaded: %s%s%s (%s)\n",
4165 on, strna(i->load_state), off, path);
4166 else
4167 printf(" Loaded: %s%s%s\n",
4168 on, strna(i->load_state), off);
4169
4170 if (i->transient)
4171 printf("Transient: yes\n");
4172
4173 if (!strv_isempty(i->dropin_paths)) {
4174 _cleanup_free_ char *dir = NULL;
4175 bool last = false;
4176 char ** dropin;
4177
4178 STRV_FOREACH(dropin, i->dropin_paths) {
4179 _cleanup_free_ char *dropin_formatted = NULL;
4180 const char *df;
4181
4182 if (!dir || last) {
4183 printf(dir ? " " :
4184 " Drop-In: ");
4185
4186 dir = mfree(dir);
4187
4188 dir = dirname_malloc(*dropin);
4189 if (!dir) {
4190 log_oom();
4191 return;
4192 }
4193
4194 printf("%s\n"
4195 " %s", dir,
4196 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4197 }
4198
4199 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4200
4201 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4202 df = dropin_formatted;
4203 else
4204 df = *dropin;
4205
4206 printf("%s%s", df, last ? "\n" : ", ");
4207 }
4208 }
4209
4210 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4211 if (ss)
4212 printf(" Active: %s%s (%s)%s",
4213 active_on, strna(i->active_state), ss, active_off);
4214 else
4215 printf(" Active: %s%s%s",
4216 active_on, strna(i->active_state), active_off);
4217
4218 if (!isempty(i->result) && !streq(i->result, "success"))
4219 printf(" (Result: %s)", i->result);
4220
4221 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4222 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4223 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4224 i->active_exit_timestamp;
4225
4226 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4227 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4228
4229 if (s1)
4230 printf(" since %s; %s\n", s2, s1);
4231 else if (s2)
4232 printf(" since %s\n", s2);
4233 else
4234 printf("\n");
4235
4236 if (endswith(i->id, ".timer")) {
4237 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4238 tstamp2[FORMAT_TIMESTAMP_MAX];
4239 const char *next_rel_time, *next_time;
4240 dual_timestamp nw, next = {i->next_elapse_real,
4241 i->next_elapse_monotonic};
4242 usec_t next_elapse;
4243
4244 printf(" Trigger: ");
4245
4246 dual_timestamp_get(&nw);
4247 next_elapse = calc_next_elapse(&nw, &next);
4248 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4249 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4250
4251 if (next_time && next_rel_time)
4252 printf("%s; %s\n", next_time, next_rel_time);
4253 else
4254 printf("n/a\n");
4255 }
4256
4257 if (!i->condition_result && i->condition_timestamp > 0) {
4258 UnitCondition *c;
4259 int n = 0;
4260
4261 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4262 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4263
4264 printf("Condition: start %scondition failed%s at %s%s%s\n",
4265 ansi_highlight_yellow(), ansi_normal(),
4266 s2, s1 ? "; " : "", strempty(s1));
4267
4268 LIST_FOREACH(conditions, c, i->conditions)
4269 if (c->tristate < 0)
4270 n++;
4271
4272 LIST_FOREACH(conditions, c, i->conditions)
4273 if (c->tristate < 0)
4274 printf(" %s %s=%s%s%s was not met\n",
4275 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4276 c->name,
4277 c->trigger ? "|" : "",
4278 c->negate ? "!" : "",
4279 c->param);
4280 }
4281
4282 if (!i->assert_result && i->assert_timestamp > 0) {
4283 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4284 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4285
4286 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4287 ansi_highlight_red(), ansi_normal(),
4288 s2, s1 ? "; " : "", strempty(s1));
4289 if (i->failed_assert_trigger)
4290 printf(" none of the trigger assertions were met\n");
4291 else if (i->failed_assert)
4292 printf(" %s=%s%s was not met\n",
4293 i->failed_assert,
4294 i->failed_assert_negate ? "!" : "",
4295 i->failed_assert_parameter);
4296 }
4297
4298 if (i->sysfs_path)
4299 printf(" Device: %s\n", i->sysfs_path);
4300 if (i->where)
4301 printf(" Where: %s\n", i->where);
4302 if (i->what)
4303 printf(" What: %s\n", i->what);
4304
4305 STRV_FOREACH(t, i->documentation) {
4306 _cleanup_free_ char *formatted = NULL;
4307 const char *q;
4308
4309 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4310 q = formatted;
4311 else
4312 q = *t;
4313
4314 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4315 }
4316
4317 STRV_FOREACH_PAIR(t, t2, i->listen)
4318 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4319
4320 if (i->accept) {
4321 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4322 if (i->n_refused)
4323 printf(" Refused: %u", i->n_refused);
4324 printf("\n");
4325 }
4326
4327 LIST_FOREACH(exec, p, i->exec) {
4328 _cleanup_free_ char *argv = NULL;
4329 bool good;
4330
4331 /* Only show exited processes here */
4332 if (p->code == 0)
4333 continue;
4334
4335 argv = strv_join(p->argv, " ");
4336 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4337
4338 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4339 if (!good) {
4340 on = ansi_highlight_red();
4341 off = ansi_normal();
4342 } else
4343 on = off = "";
4344
4345 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4346
4347 if (p->code == CLD_EXITED) {
4348 const char *c;
4349
4350 printf("status=%i", p->status);
4351
4352 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4353 if (c)
4354 printf("/%s", c);
4355
4356 } else
4357 printf("signal=%s", signal_to_string(p->status));
4358
4359 printf(")%s\n", off);
4360
4361 if (i->main_pid == p->pid &&
4362 i->start_timestamp == p->start_timestamp &&
4363 i->exit_timestamp == p->start_timestamp)
4364 /* Let's not show this twice */
4365 i->main_pid = 0;
4366
4367 if (p->pid == i->control_pid)
4368 i->control_pid = 0;
4369 }
4370
4371 if (i->main_pid > 0 || i->control_pid > 0) {
4372 if (i->main_pid > 0) {
4373 printf(" Main PID: "PID_FMT, i->main_pid);
4374
4375 if (i->running) {
4376
4377 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4378 _cleanup_free_ char *comm = NULL;
4379
4380 (void) get_process_comm(i->main_pid, &comm);
4381 if (comm)
4382 printf(" (%s)", comm);
4383 }
4384
4385 } else if (i->exit_code > 0) {
4386 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4387
4388 if (i->exit_code == CLD_EXITED) {
4389 const char *c;
4390
4391 printf("status=%i", i->exit_status);
4392
4393 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4394 if (c)
4395 printf("/%s", c);
4396
4397 } else
4398 printf("signal=%s", signal_to_string(i->exit_status));
4399 printf(")");
4400 }
4401 }
4402
4403 if (i->control_pid > 0) {
4404 _cleanup_free_ char *c = NULL;
4405
4406 if (i->main_pid > 0)
4407 fputs("; Control PID: ", stdout);
4408 else
4409 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4410
4411 printf(PID_FMT, i->control_pid);
4412
4413 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4414 (void) get_process_comm(i->control_pid, &c);
4415 if (c)
4416 printf(" (%s)", c);
4417 }
4418 }
4419
4420 printf("\n");
4421 }
4422
4423 if (i->status_text)
4424 printf(" Status: \"%s\"\n", i->status_text);
4425 if (i->status_errno > 0)
4426 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4427
4428 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4429 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4430
4431 printf(" IP: %s in, %s out\n",
4432 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4433 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4434 }
4435
4436 if (i->tasks_current != (uint64_t) -1) {
4437 printf(" Tasks: %" PRIu64, i->tasks_current);
4438
4439 if (i->tasks_max != (uint64_t) -1)
4440 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4441 else
4442 printf("\n");
4443 }
4444
4445 if (i->memory_current != (uint64_t) -1) {
4446 char buf[FORMAT_BYTES_MAX];
4447
4448 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4449
4450 if (i->memory_min > 0 || i->memory_low > 0 ||
4451 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4452 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4453 i->memory_limit != CGROUP_LIMIT_MAX) {
4454 const char *prefix = "";
4455
4456 printf(" (");
4457 if (i->memory_min > 0) {
4458 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4459 prefix = " ";
4460 }
4461 if (i->memory_low > 0) {
4462 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4463 prefix = " ";
4464 }
4465 if (i->memory_high != CGROUP_LIMIT_MAX) {
4466 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4467 prefix = " ";
4468 }
4469 if (i->memory_max != CGROUP_LIMIT_MAX) {
4470 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4471 prefix = " ";
4472 }
4473 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4474 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4475 prefix = " ";
4476 }
4477 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4478 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4479 prefix = " ";
4480 }
4481 printf(")");
4482 }
4483 printf("\n");
4484 }
4485
4486 if (i->cpu_usage_nsec != (uint64_t) -1) {
4487 char buf[FORMAT_TIMESPAN_MAX];
4488 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4489 }
4490
4491 if (i->control_group) {
4492 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4493 static const char prefix[] = " ";
4494 unsigned c;
4495
4496 printf(" CGroup: %s\n", i->control_group);
4497
4498 c = columns();
4499 if (c > sizeof(prefix) - 1)
4500 c -= sizeof(prefix) - 1;
4501 else
4502 c = 0;
4503
4504 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4505 if (r == -EBADR) {
4506 unsigned k = 0;
4507 pid_t extra[2];
4508
4509 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4510
4511 if (i->main_pid > 0)
4512 extra[k++] = i->main_pid;
4513
4514 if (i->control_pid > 0)
4515 extra[k++] = i->control_pid;
4516
4517 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4518 } else if (r < 0)
4519 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4520 }
4521
4522 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4523 show_journal_by_unit(
4524 stdout,
4525 i->id,
4526 arg_output,
4527 0,
4528 i->inactive_exit_timestamp_monotonic,
4529 arg_lines,
4530 getuid(),
4531 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4532 SD_JOURNAL_LOCAL_ONLY,
4533 arg_scope == UNIT_FILE_SYSTEM,
4534 ellipsized);
4535
4536 if (i->need_daemon_reload)
4537 warn_unit_file_changed(i->id);
4538 }
4539
4540 static void show_unit_help(UnitStatusInfo *i) {
4541 char **p;
4542
4543 assert(i);
4544
4545 if (!i->documentation) {
4546 log_info("Documentation for %s not known.", i->id);
4547 return;
4548 }
4549
4550 STRV_FOREACH(p, i->documentation)
4551 if (startswith(*p, "man:"))
4552 show_man_page(*p + 4, false);
4553 else
4554 log_info("Can't show: %s", *p);
4555 }
4556
4557 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4558 UnitStatusInfo *i = userdata;
4559 uint32_t u;
4560 int r;
4561
4562 r = sd_bus_message_read(m, "u", &u);
4563 if (r < 0)
4564 return r;
4565
4566 i->main_pid = (pid_t) u;
4567 i->running = u > 0;
4568
4569 return 0;
4570 }
4571
4572 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4573 const char *message, **p = userdata;
4574 int r;
4575
4576 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4577 if (r < 0)
4578 return r;
4579
4580 if (!isempty(message))
4581 *p = message;
4582
4583 return 0;
4584 }
4585
4586 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4587 const char *type, *path;
4588 char ***p = userdata;
4589 int r;
4590
4591 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4592 if (r < 0)
4593 return r;
4594
4595 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4596
4597 r = strv_extend(p, type);
4598 if (r < 0)
4599 return r;
4600
4601 r = strv_extend(p, path);
4602 if (r < 0)
4603 return r;
4604 }
4605 if (r < 0)
4606 return r;
4607
4608 r = sd_bus_message_exit_container(m);
4609 if (r < 0)
4610 return r;
4611
4612 return 0;
4613 }
4614
4615 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4616 UnitStatusInfo *i = userdata;
4617 const char *cond, *param;
4618 int trigger, negate;
4619 int32_t state;
4620 int r;
4621
4622 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4623 if (r < 0)
4624 return r;
4625
4626 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4627 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4628
4629 c = new0(UnitCondition, 1);
4630 if (!c)
4631 return -ENOMEM;
4632
4633 c->name = strdup(cond);
4634 c->param = strdup(param);
4635 if (!c->name || !c->param)
4636 return -ENOMEM;
4637
4638 c->trigger = trigger;
4639 c->negate = negate;
4640 c->tristate = state;
4641
4642 LIST_PREPEND(conditions, i->conditions, c);
4643 c = NULL;
4644 }
4645 if (r < 0)
4646 return r;
4647
4648 r = sd_bus_message_exit_container(m);
4649 if (r < 0)
4650 return r;
4651
4652 return 0;
4653 }
4654
4655 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4656 UnitStatusInfo *i = userdata;
4657 const char *cond, *param;
4658 int trigger, negate;
4659 int32_t state;
4660 int r;
4661
4662 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4663 if (r < 0)
4664 return r;
4665
4666 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4667 if (state < 0 && (!trigger || !i->failed_assert)) {
4668 i->failed_assert = cond;
4669 i->failed_assert_trigger = trigger;
4670 i->failed_assert_negate = negate;
4671 i->failed_assert_parameter = param;
4672 }
4673 }
4674 if (r < 0)
4675 return r;
4676
4677 r = sd_bus_message_exit_container(m);
4678 if (r < 0)
4679 return r;
4680
4681 return 0;
4682 }
4683
4684 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4685 _cleanup_free_ ExecStatusInfo *info = NULL;
4686 ExecStatusInfo *last;
4687 UnitStatusInfo *i = userdata;
4688 int r;
4689
4690 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4691 if (r < 0)
4692 return r;
4693
4694 info = new0(ExecStatusInfo, 1);
4695 if (!info)
4696 return -ENOMEM;
4697
4698 LIST_FIND_TAIL(exec, i->exec, last);
4699
4700 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4701
4702 info->name = strdup(member);
4703 if (!info->name)
4704 return -ENOMEM;
4705
4706 LIST_INSERT_AFTER(exec, i->exec, last, info);
4707 last = info;
4708
4709 info = new0(ExecStatusInfo, 1);
4710 if (!info)
4711 return -ENOMEM;
4712 }
4713 if (r < 0)
4714 return r;
4715
4716 r = sd_bus_message_exit_container(m);
4717 if (r < 0)
4718 return r;
4719
4720 return 0;
4721 }
4722
4723 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4724 char bus_type;
4725 const char *contents;
4726 int r;
4727
4728 assert(name);
4729 assert(m);
4730
4731 /* This is a low-level property printer, see
4732 * print_status_info() for the nicer output */
4733
4734 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4735 if (r < 0)
4736 return r;
4737
4738 switch (bus_type) {
4739
4740 case SD_BUS_TYPE_INT32:
4741 if (endswith(name, "ActionExitStatus")) {
4742 int32_t i;
4743
4744 r = sd_bus_message_read_basic(m, bus_type, &i);
4745 if (r < 0)
4746 return r;
4747
4748 if (i >= 0 && i <= 255)
4749 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4750 else if (all)
4751 bus_print_property_value(name, expected_value, value, "[not set]");
4752
4753 return 1;
4754 }
4755 break;
4756
4757 case SD_BUS_TYPE_STRUCT:
4758
4759 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4760 uint32_t u;
4761
4762 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4763 if (r < 0)
4764 return bus_log_parse_error(r);
4765
4766 if (u > 0)
4767 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4768 else if (all)
4769 bus_print_property_value(name, expected_value, value, "");
4770
4771 return 1;
4772
4773 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4774 const char *s;
4775
4776 r = sd_bus_message_read(m, "(so)", &s, NULL);
4777 if (r < 0)
4778 return bus_log_parse_error(r);
4779
4780 if (all || !isempty(s))
4781 bus_print_property_value(name, expected_value, value, s);
4782
4783 return 1;
4784
4785 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4786 const char *a = NULL, *b = NULL;
4787
4788 r = sd_bus_message_read(m, "(ss)", &a, &b);
4789 if (r < 0)
4790 return bus_log_parse_error(r);
4791
4792 if (!isempty(a) || !isempty(b))
4793 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4794 else if (all)
4795 bus_print_property_value(name, expected_value, value, "");
4796
4797 return 1;
4798
4799 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4800 _cleanup_strv_free_ char **l = NULL;
4801 int whitelist;
4802
4803 r = sd_bus_message_enter_container(m, 'r', "bas");
4804 if (r < 0)
4805 return bus_log_parse_error(r);
4806
4807 r = sd_bus_message_read(m, "b", &whitelist);
4808 if (r < 0)
4809 return bus_log_parse_error(r);
4810
4811 r = sd_bus_message_read_strv(m, &l);
4812 if (r < 0)
4813 return bus_log_parse_error(r);
4814
4815 r = sd_bus_message_exit_container(m);
4816 if (r < 0)
4817 return bus_log_parse_error(r);
4818
4819 if (all || whitelist || !strv_isempty(l)) {
4820 bool first = true;
4821 char **i;
4822
4823 if (!value) {
4824 fputs(name, stdout);
4825 fputc('=', stdout);
4826 }
4827
4828 if (!whitelist)
4829 fputc('~', stdout);
4830
4831 STRV_FOREACH(i, l) {
4832 if (first)
4833 first = false;
4834 else
4835 fputc(' ', stdout);
4836
4837 fputs(*i, stdout);
4838 }
4839 fputc('\n', stdout);
4840 }
4841
4842 return 1;
4843
4844 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4845 int ignore;
4846 const char *s;
4847
4848 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4849 if (r < 0)
4850 return bus_log_parse_error(r);
4851
4852 if (!isempty(s))
4853 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4854 else if (all)
4855 bus_print_property_value(name, expected_value, value, "");
4856
4857 return 1;
4858
4859 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4860 const int32_t *status, *signal;
4861 size_t sz_status, sz_signal, i;
4862
4863 r = sd_bus_message_enter_container(m, 'r', "aiai");
4864 if (r < 0)
4865 return bus_log_parse_error(r);
4866
4867 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &sz_status);
4868 if (r < 0)
4869 return bus_log_parse_error(r);
4870
4871 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &sz_signal);
4872 if (r < 0)
4873 return bus_log_parse_error(r);
4874
4875 r = sd_bus_message_exit_container(m);
4876 if (r < 0)
4877 return bus_log_parse_error(r);
4878
4879 sz_status /= sizeof(int32_t);
4880 sz_signal /= sizeof(int32_t);
4881
4882 if (all || sz_status > 0 || sz_signal > 0) {
4883 bool first = true;
4884
4885 if (!value) {
4886 fputs(name, stdout);
4887 fputc('=', stdout);
4888 }
4889
4890 for (i = 0; i < sz_status; i++) {
4891 if (status[i] < 0 || status[i] > 255)
4892 continue;
4893
4894 if (first)
4895 first = false;
4896 else
4897 fputc(' ', stdout);
4898
4899 printf("%"PRIi32, status[i]);
4900 }
4901
4902 for (i = 0; i < sz_signal; i++) {
4903 const char *str;
4904
4905 str = signal_to_string((int) signal[i]);
4906 if (!str)
4907 continue;
4908
4909 if (first)
4910 first = false;
4911 else
4912 fputc(' ', stdout);
4913
4914 fputs(str, stdout);
4915 }
4916
4917 fputc('\n', stdout);
4918 }
4919 return 1;
4920 }
4921
4922 break;
4923
4924 case SD_BUS_TYPE_ARRAY:
4925
4926 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4927 const char *path;
4928 int ignore;
4929
4930 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4931 if (r < 0)
4932 return bus_log_parse_error(r);
4933
4934 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4935 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4936
4937 if (r < 0)
4938 return bus_log_parse_error(r);
4939
4940 r = sd_bus_message_exit_container(m);
4941 if (r < 0)
4942 return bus_log_parse_error(r);
4943
4944 return 1;
4945
4946 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4947 const char *type, *path;
4948
4949 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4950 if (r < 0)
4951 return bus_log_parse_error(r);
4952
4953 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4954 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
4955 if (r < 0)
4956 return bus_log_parse_error(r);
4957
4958 r = sd_bus_message_exit_container(m);
4959 if (r < 0)
4960 return bus_log_parse_error(r);
4961
4962 return 1;
4963
4964 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4965 const char *type, *path;
4966
4967 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4968 if (r < 0)
4969 return bus_log_parse_error(r);
4970
4971 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4972 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
4973 if (r < 0)
4974 return bus_log_parse_error(r);
4975
4976 r = sd_bus_message_exit_container(m);
4977 if (r < 0)
4978 return bus_log_parse_error(r);
4979
4980 return 1;
4981
4982 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4983 const char *base;
4984 uint64_t v, next_elapse;
4985
4986 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4987 if (r < 0)
4988 return bus_log_parse_error(r);
4989
4990 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4991 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4992
4993 bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
4994 format_timespan(timespan1, sizeof(timespan1), v, 0),
4995 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4996 }
4997 if (r < 0)
4998 return bus_log_parse_error(r);
4999
5000 r = sd_bus_message_exit_container(m);
5001 if (r < 0)
5002 return bus_log_parse_error(r);
5003
5004 return 1;
5005
5006 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5007 const char *base, *spec;
5008 uint64_t next_elapse;
5009
5010 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5011 if (r < 0)
5012 return bus_log_parse_error(r);
5013
5014 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5015 char timestamp[FORMAT_TIMESTAMP_MAX];
5016
5017 bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
5018 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
5019 }
5020 if (r < 0)
5021 return bus_log_parse_error(r);
5022
5023 r = sd_bus_message_exit_container(m);
5024 if (r < 0)
5025 return bus_log_parse_error(r);
5026
5027 return 1;
5028
5029 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5030 ExecStatusInfo info = {};
5031
5032 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
5033 if (r < 0)
5034 return bus_log_parse_error(r);
5035
5036 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
5037 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5038 _cleanup_free_ char *tt;
5039
5040 tt = strv_join(info.argv, " ");
5041
5042 bus_print_property_valuef(name, expected_value, value,
5043 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5044 strna(info.path),
5045 strna(tt),
5046 yes_no(info.ignore),
5047 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5048 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5049 info.pid,
5050 sigchld_code_to_string(info.code),
5051 info.status,
5052 info.code == CLD_EXITED ? "" : "/",
5053 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5054
5055 free(info.path);
5056 strv_free(info.argv);
5057 zero(info);
5058 }
5059
5060 r = sd_bus_message_exit_container(m);
5061 if (r < 0)
5062 return bus_log_parse_error(r);
5063
5064 return 1;
5065
5066 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5067 const char *path, *rwm;
5068
5069 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5070 if (r < 0)
5071 return bus_log_parse_error(r);
5072
5073 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5074 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5075 if (r < 0)
5076 return bus_log_parse_error(r);
5077
5078 r = sd_bus_message_exit_container(m);
5079 if (r < 0)
5080 return bus_log_parse_error(r);
5081
5082 return 1;
5083
5084 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5085 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5086 const char *path;
5087 uint64_t weight;
5088
5089 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5090 if (r < 0)
5091 return bus_log_parse_error(r);
5092
5093 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5094 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5095 if (r < 0)
5096 return bus_log_parse_error(r);
5097
5098 r = sd_bus_message_exit_container(m);
5099 if (r < 0)
5100 return bus_log_parse_error(r);
5101
5102 return 1;
5103
5104 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5105 (cgroup_io_limit_type_from_string(name) >= 0 ||
5106 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5107 const char *path;
5108 uint64_t bandwidth;
5109
5110 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5111 if (r < 0)
5112 return bus_log_parse_error(r);
5113
5114 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5115 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5116 if (r < 0)
5117 return bus_log_parse_error(r);
5118
5119 r = sd_bus_message_exit_container(m);
5120 if (r < 0)
5121 return bus_log_parse_error(r);
5122
5123 return 1;
5124
5125 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5126 streq(name, "IODeviceLatencyTargetUSec")) {
5127 char ts[FORMAT_TIMESPAN_MAX];
5128 const char *path;
5129 uint64_t target;
5130
5131 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5132 if (r < 0)
5133 return bus_log_parse_error(r);
5134
5135 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5136 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5137 format_timespan(ts, sizeof(ts), target, 1));
5138 if (r < 0)
5139 return bus_log_parse_error(r);
5140
5141 r = sd_bus_message_exit_container(m);
5142 if (r < 0)
5143 return bus_log_parse_error(r);
5144
5145 return 1;
5146
5147 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5148 _cleanup_free_ char *h = NULL;
5149 const void *p;
5150 size_t sz;
5151 ssize_t n;
5152
5153 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5154 if (r < 0)
5155 return bus_log_parse_error(r);
5156
5157 n = base64mem(p, sz, &h);
5158 if (n < 0)
5159 return log_oom();
5160
5161 bus_print_property_value(name, expected_value, value, h);
5162
5163 return 1;
5164
5165 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5166 _cleanup_free_ char *addresses = NULL;
5167
5168 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5169 if (r < 0)
5170 return bus_log_parse_error(r);
5171
5172 for (;;) {
5173 _cleanup_free_ char *str = NULL;
5174 uint32_t prefixlen;
5175 int32_t family;
5176 const void *ap;
5177 size_t an;
5178
5179 r = sd_bus_message_enter_container(m, 'r', "iayu");
5180 if (r < 0)
5181 return bus_log_parse_error(r);
5182 if (r == 0)
5183 break;
5184
5185 r = sd_bus_message_read(m, "i", &family);
5186 if (r < 0)
5187 return bus_log_parse_error(r);
5188
5189 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5190 if (r < 0)
5191 return bus_log_parse_error(r);
5192
5193 r = sd_bus_message_read(m, "u", &prefixlen);
5194 if (r < 0)
5195 return bus_log_parse_error(r);
5196
5197 r = sd_bus_message_exit_container(m);
5198 if (r < 0)
5199 return bus_log_parse_error(r);
5200
5201 if (!IN_SET(family, AF_INET, AF_INET6))
5202 continue;
5203
5204 if (an != FAMILY_ADDRESS_SIZE(family))
5205 continue;
5206
5207 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5208 continue;
5209
5210 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5211 continue;
5212
5213 if (!strextend_with_separator(&addresses, " ", str, NULL))
5214 return log_oom();
5215 }
5216
5217 r = sd_bus_message_exit_container(m);
5218 if (r < 0)
5219 return bus_log_parse_error(r);
5220
5221 if (all || !isempty(addresses))
5222 bus_print_property_value(name, expected_value, value, strempty(addresses));
5223
5224 return 1;
5225
5226 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5227 _cleanup_free_ char *paths = NULL;
5228 const char *source, *dest;
5229 int ignore_enoent;
5230 uint64_t rbind;
5231
5232 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5233 if (r < 0)
5234 return bus_log_parse_error(r);
5235
5236 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5237 _cleanup_free_ char *str = NULL;
5238
5239 if (isempty(source))
5240 continue;
5241
5242 if (asprintf(&str, "%s%s%s%s%s",
5243 ignore_enoent ? "-" : "",
5244 source,
5245 isempty(dest) ? "" : ":",
5246 strempty(dest),
5247 rbind == MS_REC ? ":rbind" : "") < 0)
5248 return log_oom();
5249
5250 if (!strextend_with_separator(&paths, " ", str, NULL))
5251 return log_oom();
5252 }
5253 if (r < 0)
5254 return bus_log_parse_error(r);
5255
5256 r = sd_bus_message_exit_container(m);
5257 if (r < 0)
5258 return bus_log_parse_error(r);
5259
5260 if (all || !isempty(paths))
5261 bus_print_property_value(name, expected_value, value, strempty(paths));
5262
5263 return 1;
5264
5265 } else if (streq(name, "TemporaryFileSystem")) {
5266 _cleanup_free_ char *paths = NULL;
5267 const char *target, *option;
5268
5269 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5270 if (r < 0)
5271 return bus_log_parse_error(r);
5272
5273 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5274 _cleanup_free_ char *str = NULL;
5275
5276 if (isempty(target))
5277 continue;
5278
5279 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5280 return log_oom();
5281
5282 if (!strextend_with_separator(&paths, " ", str, NULL))
5283 return log_oom();
5284 }
5285 if (r < 0)
5286 return bus_log_parse_error(r);
5287
5288 r = sd_bus_message_exit_container(m);
5289 if (r < 0)
5290 return bus_log_parse_error(r);
5291
5292 if (all || !isempty(paths))
5293 bus_print_property_value(name, expected_value, value, strempty(paths));
5294
5295 return 1;
5296
5297 } else if (streq(name, "LogExtraFields")) {
5298 _cleanup_free_ char *fields = NULL;
5299 const void *p;
5300 size_t sz;
5301
5302 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5303 if (r < 0)
5304 return bus_log_parse_error(r);
5305
5306 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5307 _cleanup_free_ char *str = NULL;
5308 const char *eq;
5309
5310 if (memchr(p, 0, sz))
5311 continue;
5312
5313 eq = memchr(p, '=', sz);
5314 if (!eq)
5315 continue;
5316
5317 if (!journal_field_valid(p, eq - (const char*) p, false))
5318 continue;
5319
5320 str = malloc(sz + 1);
5321 if (!str)
5322 return log_oom();
5323
5324 memcpy(str, p, sz);
5325 str[sz] = '\0';
5326
5327 if (!utf8_is_valid(str))
5328 continue;
5329
5330 if (!strextend_with_separator(&fields, " ", str, NULL))
5331 return log_oom();
5332 }
5333 if (r < 0)
5334 return bus_log_parse_error(r);
5335
5336 r = sd_bus_message_exit_container(m);
5337 if (r < 0)
5338 return bus_log_parse_error(r);
5339
5340 if (all || !isempty(fields))
5341 bus_print_property_value(name, expected_value, value, strempty(fields));
5342
5343 return 1;
5344 }
5345
5346 break;
5347 }
5348
5349 return 0;
5350 }
5351
5352 typedef enum SystemctlShowMode{
5353 SYSTEMCTL_SHOW_PROPERTIES,
5354 SYSTEMCTL_SHOW_STATUS,
5355 SYSTEMCTL_SHOW_HELP,
5356 _SYSTEMCTL_SHOW_MODE_MAX,
5357 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5358 } SystemctlShowMode;
5359
5360 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5361 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5362 [SYSTEMCTL_SHOW_STATUS] = "status",
5363 [SYSTEMCTL_SHOW_HELP] = "help",
5364 };
5365
5366 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5367
5368 static int show_one(
5369 sd_bus *bus,
5370 const char *path,
5371 const char *unit,
5372 SystemctlShowMode show_mode,
5373 bool *new_line,
5374 bool *ellipsized) {
5375
5376 static const struct bus_properties_map property_map[] = {
5377 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5378 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5379 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5380 {}
5381 }, status_map[] = {
5382 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5383 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5384 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5385 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5386 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5387 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5388 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5389 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5390 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5391 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5392 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5393 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5394 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5395 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5396 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5397 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5398 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5399 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5400 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5401 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5402 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5403 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5404 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5405 { "MainPID", "u", map_main_pid, 0 },
5406 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5407 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5408 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5409 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5410 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5411 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5412 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5413 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5414 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5415 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5416 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5417 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5418 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5419 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5420 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5421 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5422 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5423 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5424 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5425 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5426 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5427 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5428 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5429 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5430 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5431 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5432 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5433 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5434 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5435 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5436 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5437 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5438 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5439 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5440 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5441 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5442 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5443 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5444 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5445 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5446 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5447 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5448 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5449 {}
5450 };
5451
5452 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5453 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5454 _cleanup_set_free_ Set *found_properties = NULL;
5455 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5456 .memory_current = (uint64_t) -1,
5457 .memory_high = CGROUP_LIMIT_MAX,
5458 .memory_max = CGROUP_LIMIT_MAX,
5459 .memory_swap_max = CGROUP_LIMIT_MAX,
5460 .memory_limit = (uint64_t) -1,
5461 .cpu_usage_nsec = (uint64_t) -1,
5462 .tasks_current = (uint64_t) -1,
5463 .tasks_max = (uint64_t) -1,
5464 .ip_ingress_bytes = (uint64_t) -1,
5465 .ip_egress_bytes = (uint64_t) -1,
5466 };
5467 char **pp;
5468 int r;
5469
5470 assert(path);
5471 assert(new_line);
5472
5473 log_debug("Showing one %s", path);
5474
5475 r = bus_map_all_properties(
5476 bus,
5477 "org.freedesktop.systemd1",
5478 path,
5479 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5480 BUS_MAP_BOOLEAN_AS_BOOL,
5481 &error,
5482 &reply,
5483 &info);
5484 if (r < 0)
5485 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5486
5487 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5488 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5489 "Unit %s could not be found.", unit);
5490
5491 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5492 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5493 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5494 return -ENOENT;
5495 }
5496
5497 if (*new_line)
5498 printf("\n");
5499
5500 *new_line = true;
5501
5502 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5503 print_status_info(bus, &info, ellipsized);
5504
5505 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5506 return EXIT_PROGRAM_NOT_RUNNING;
5507
5508 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5509
5510 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5511 show_unit_help(&info);
5512 return 0;
5513 }
5514
5515 r = sd_bus_message_rewind(reply, true);
5516 if (r < 0)
5517 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5518
5519 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5520 if (r < 0)
5521 return bus_log_parse_error(r);
5522
5523 STRV_FOREACH(pp, arg_properties)
5524 if (!set_contains(found_properties, *pp))
5525 log_debug("Property %s does not exist.", *pp);
5526
5527 return 0;
5528 }
5529
5530 static int get_unit_dbus_path_by_pid(
5531 sd_bus *bus,
5532 uint32_t pid,
5533 char **unit) {
5534
5535 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5536 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5537 char *u;
5538 int r;
5539
5540 r = sd_bus_call_method(
5541 bus,
5542 "org.freedesktop.systemd1",
5543 "/org/freedesktop/systemd1",
5544 "org.freedesktop.systemd1.Manager",
5545 "GetUnitByPID",
5546 &error,
5547 &reply,
5548 "u", pid);
5549 if (r < 0)
5550 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5551
5552 r = sd_bus_message_read(reply, "o", &u);
5553 if (r < 0)
5554 return bus_log_parse_error(r);
5555
5556 u = strdup(u);
5557 if (!u)
5558 return log_oom();
5559
5560 *unit = u;
5561 return 0;
5562 }
5563
5564 static int show_all(
5565 sd_bus *bus,
5566 bool *new_line,
5567 bool *ellipsized) {
5568
5569 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5570 _cleanup_free_ UnitInfo *unit_infos = NULL;
5571 const UnitInfo *u;
5572 unsigned c;
5573 int r, ret = 0;
5574
5575 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5576 if (r < 0)
5577 return r;
5578
5579 (void) pager_open(arg_pager_flags);
5580
5581 c = (unsigned) r;
5582
5583 typesafe_qsort(unit_infos, c, compare_unit_info);
5584
5585 for (u = unit_infos; u < unit_infos + c; u++) {
5586 _cleanup_free_ char *p = NULL;
5587
5588 p = unit_dbus_path_from_name(u->id);
5589 if (!p)
5590 return log_oom();
5591
5592 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5593 if (r < 0)
5594 return r;
5595 else if (r > 0 && ret == 0)
5596 ret = r;
5597 }
5598
5599 return ret;
5600 }
5601
5602 static int show_system_status(sd_bus *bus) {
5603 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5604 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5605 _cleanup_(machine_info_clear) struct machine_info mi = {};
5606 _cleanup_free_ char *hn = NULL;
5607 const char *on, *off;
5608 int r;
5609
5610 hn = gethostname_malloc();
5611 if (!hn)
5612 return log_oom();
5613
5614 r = bus_map_all_properties(
5615 bus,
5616 "org.freedesktop.systemd1",
5617 "/org/freedesktop/systemd1",
5618 machine_info_property_map,
5619 BUS_MAP_STRDUP,
5620 &error,
5621 NULL,
5622 &mi);
5623 if (r < 0)
5624 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5625
5626 if (streq_ptr(mi.state, "degraded")) {
5627 on = ansi_highlight_red();
5628 off = ansi_normal();
5629 } else if (streq_ptr(mi.state, "running")) {
5630 on = ansi_highlight_green();
5631 off = ansi_normal();
5632 } else {
5633 on = ansi_highlight_yellow();
5634 off = ansi_normal();
5635 }
5636
5637 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5638
5639 printf(" State: %s%s%s\n",
5640 on, strna(mi.state), off);
5641
5642 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5643 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5644
5645 printf(" Since: %s; %s\n",
5646 format_timestamp(since2, sizeof(since2), mi.timestamp),
5647 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5648
5649 printf(" CGroup: %s\n", mi.control_group ?: "/");
5650 if (IN_SET(arg_transport,
5651 BUS_TRANSPORT_LOCAL,
5652 BUS_TRANSPORT_MACHINE)) {
5653 static const char prefix[] = " ";
5654 unsigned c;
5655
5656 c = columns();
5657 if (c > sizeof(prefix) - 1)
5658 c -= sizeof(prefix) - 1;
5659 else
5660 c = 0;
5661
5662 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5663 }
5664
5665 return 0;
5666 }
5667
5668 static int show(int argc, char *argv[], void *userdata) {
5669 bool new_line = false, ellipsized = false;
5670 SystemctlShowMode show_mode;
5671 int r, ret = 0;
5672 sd_bus *bus;
5673
5674 assert(argv);
5675
5676 show_mode = systemctl_show_mode_from_string(argv[0]);
5677 if (show_mode < 0)
5678 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5679 "Invalid argument.");
5680
5681 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5682 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5683 "This command expects one or more unit names. Did you mean --help?");
5684
5685 r = acquire_bus(BUS_MANAGER, &bus);
5686 if (r < 0)
5687 return r;
5688
5689 (void) pager_open(arg_pager_flags);
5690
5691 /* If no argument is specified inspect the manager itself */
5692 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5693 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5694
5695 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5696
5697 show_system_status(bus);
5698 new_line = true;
5699
5700 if (arg_all)
5701 ret = show_all(bus, &new_line, &ellipsized);
5702 } else {
5703 _cleanup_free_ char **patterns = NULL;
5704 char **name;
5705
5706 STRV_FOREACH(name, strv_skip(argv, 1)) {
5707 _cleanup_free_ char *path = NULL, *unit = NULL;
5708 uint32_t id;
5709
5710 if (safe_atou32(*name, &id) < 0) {
5711 if (strv_push(&patterns, *name) < 0)
5712 return log_oom();
5713
5714 continue;
5715 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5716 /* Interpret as job id */
5717 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5718 return log_oom();
5719
5720 } else {
5721 /* Interpret as PID */
5722 r = get_unit_dbus_path_by_pid(bus, id, &path);
5723 if (r < 0) {
5724 ret = r;
5725 continue;
5726 }
5727
5728 r = unit_name_from_dbus_path(path, &unit);
5729 if (r < 0)
5730 return log_oom();
5731 }
5732
5733 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5734 if (r < 0)
5735 return r;
5736 else if (r > 0 && ret == 0)
5737 ret = r;
5738 }
5739
5740 if (!strv_isempty(patterns)) {
5741 _cleanup_strv_free_ char **names = NULL;
5742
5743 r = expand_names(bus, patterns, NULL, &names);
5744 if (r < 0)
5745 return log_error_errno(r, "Failed to expand names: %m");
5746
5747 STRV_FOREACH(name, names) {
5748 _cleanup_free_ char *path;
5749
5750 path = unit_dbus_path_from_name(*name);
5751 if (!path)
5752 return log_oom();
5753
5754 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5755 if (r < 0)
5756 return r;
5757 if (r > 0 && ret == 0)
5758 ret = r;
5759 }
5760 }
5761 }
5762
5763 if (ellipsized && !arg_quiet)
5764 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5765
5766 return ret;
5767 }
5768
5769 static int cat(int argc, char *argv[], void *userdata) {
5770 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5771 _cleanup_strv_free_ char **names = NULL;
5772 char **name;
5773 sd_bus *bus;
5774 bool first = true;
5775 int r;
5776
5777 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5778 log_error("Cannot remotely cat units.");
5779 return -EINVAL;
5780 }
5781
5782 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5783 if (r < 0)
5784 return log_error_errno(r, "Failed to determine unit paths: %m");
5785
5786 r = acquire_bus(BUS_MANAGER, &bus);
5787 if (r < 0)
5788 return r;
5789
5790 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5791 if (r < 0)
5792 return log_error_errno(r, "Failed to expand names: %m");
5793
5794 (void) pager_open(arg_pager_flags);
5795
5796 STRV_FOREACH(name, names) {
5797 _cleanup_free_ char *fragment_path = NULL;
5798 _cleanup_strv_free_ char **dropin_paths = NULL;
5799
5800 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5801 if (r == -ERFKILL) {
5802 printf("%s# Unit %s is masked%s.\n",
5803 ansi_highlight_magenta(),
5804 *name,
5805 ansi_normal());
5806 continue;
5807 }
5808 if (r == -EKEYREJECTED) {
5809 printf("%s# Unit %s could not be loaded.%s\n",
5810 ansi_highlight_magenta(),
5811 *name,
5812 ansi_normal());
5813 continue;
5814 }
5815 if (r < 0)
5816 return r;
5817 if (r == 0)
5818 return -ENOENT;
5819
5820 if (first)
5821 first = false;
5822 else
5823 puts("");
5824
5825 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5826 fprintf(stderr,
5827 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5828 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5829 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5830 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5831 ansi_highlight_red(),
5832 *name,
5833 ansi_highlight_red(),
5834 ansi_highlight_red(),
5835 ansi_highlight_red(),
5836 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5837 ansi_normal());
5838
5839 r = cat_files(fragment_path, dropin_paths, 0);
5840 if (r < 0)
5841 return r;
5842 }
5843
5844 return 0;
5845 }
5846
5847 static int set_property(int argc, char *argv[], void *userdata) {
5848 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5849 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5850 _cleanup_free_ char *n = NULL;
5851 UnitType t;
5852 sd_bus *bus;
5853 int r;
5854
5855 r = acquire_bus(BUS_MANAGER, &bus);
5856 if (r < 0)
5857 return r;
5858
5859 polkit_agent_open_maybe();
5860
5861 r = sd_bus_message_new_method_call(
5862 bus,
5863 &m,
5864 "org.freedesktop.systemd1",
5865 "/org/freedesktop/systemd1",
5866 "org.freedesktop.systemd1.Manager",
5867 "SetUnitProperties");
5868 if (r < 0)
5869 return bus_log_create_error(r);
5870
5871 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5872 if (r < 0)
5873 return log_error_errno(r, "Failed to mangle unit name: %m");
5874
5875 t = unit_name_to_type(n);
5876 if (t < 0) {
5877 log_error("Invalid unit type: %s", n);
5878 return -EINVAL;
5879 }
5880
5881 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5882 if (r < 0)
5883 return bus_log_create_error(r);
5884
5885 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5886 if (r < 0)
5887 return bus_log_create_error(r);
5888
5889 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5890 if (r < 0)
5891 return r;
5892
5893 r = sd_bus_message_close_container(m);
5894 if (r < 0)
5895 return bus_log_create_error(r);
5896
5897 r = sd_bus_call(bus, m, 0, &error, NULL);
5898 if (r < 0)
5899 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5900
5901 return 0;
5902 }
5903
5904 static int daemon_reload(int argc, char *argv[], void *userdata) {
5905 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5906 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5907 const char *method;
5908 sd_bus *bus;
5909 int r;
5910
5911 r = acquire_bus(BUS_MANAGER, &bus);
5912 if (r < 0)
5913 return r;
5914
5915 polkit_agent_open_maybe();
5916
5917 switch (arg_action) {
5918
5919 case ACTION_RELOAD:
5920 method = "Reload";
5921 break;
5922
5923 case ACTION_REEXEC:
5924 method = "Reexecute";
5925 break;
5926
5927 case ACTION_SYSTEMCTL:
5928 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5929 /* "daemon-reload" */ "Reload";
5930 break;
5931
5932 default:
5933 assert_not_reached("Unexpected action");
5934 }
5935
5936 r = sd_bus_message_new_method_call(
5937 bus,
5938 &m,
5939 "org.freedesktop.systemd1",
5940 "/org/freedesktop/systemd1",
5941 "org.freedesktop.systemd1.Manager",
5942 method);
5943 if (r < 0)
5944 return bus_log_create_error(r);
5945
5946 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5947 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5948 * their timeout, and for everything else there's the same time budget in place. */
5949
5950 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5951
5952 /* On reexecution, we expect a disconnect, not a reply */
5953 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
5954 r = 0;
5955
5956 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5957 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
5958
5959 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5960 * old ways of doing things, hence don't log any error in that case here. */
5961
5962 return r < 0 ? r : 0;
5963 }
5964
5965 static int trivial_method(int argc, char *argv[], void *userdata) {
5966 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5967 const char *method;
5968 sd_bus *bus;
5969 int r;
5970
5971 if (arg_dry_run)
5972 return 0;
5973
5974 r = acquire_bus(BUS_MANAGER, &bus);
5975 if (r < 0)
5976 return r;
5977
5978 polkit_agent_open_maybe();
5979
5980 method =
5981 streq(argv[0], "clear-jobs") ||
5982 streq(argv[0], "cancel") ? "ClearJobs" :
5983 streq(argv[0], "reset-failed") ? "ResetFailed" :
5984 streq(argv[0], "halt") ? "Halt" :
5985 streq(argv[0], "reboot") ? "Reboot" :
5986 streq(argv[0], "kexec") ? "KExec" :
5987 streq(argv[0], "exit") ? "Exit" :
5988 /* poweroff */ "PowerOff";
5989
5990 r = sd_bus_call_method(
5991 bus,
5992 "org.freedesktop.systemd1",
5993 "/org/freedesktop/systemd1",
5994 "org.freedesktop.systemd1.Manager",
5995 method,
5996 &error,
5997 NULL,
5998 NULL);
5999 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6000 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6001
6002 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6003 * old ways of doing things, hence don't log any error in that case here. */
6004
6005 return r < 0 ? r : 0;
6006 }
6007
6008 static int reset_failed(int argc, char *argv[], void *userdata) {
6009 _cleanup_strv_free_ char **names = NULL;
6010 sd_bus *bus;
6011 char **name;
6012 int r, q;
6013
6014 if (argc <= 1)
6015 return trivial_method(argc, argv, userdata);
6016
6017 r = acquire_bus(BUS_MANAGER, &bus);
6018 if (r < 0)
6019 return r;
6020
6021 polkit_agent_open_maybe();
6022
6023 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6024 if (r < 0)
6025 return log_error_errno(r, "Failed to expand names: %m");
6026
6027 STRV_FOREACH(name, names) {
6028 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6029
6030 q = sd_bus_call_method(
6031 bus,
6032 "org.freedesktop.systemd1",
6033 "/org/freedesktop/systemd1",
6034 "org.freedesktop.systemd1.Manager",
6035 "ResetFailedUnit",
6036 &error,
6037 NULL,
6038 "s", *name);
6039 if (q < 0) {
6040 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6041 if (r == 0)
6042 r = q;
6043 }
6044 }
6045
6046 return r;
6047 }
6048
6049 static int print_variable(const char *s) {
6050 const char *sep;
6051 _cleanup_free_ char *esc = NULL;
6052
6053 sep = strchr(s, '=');
6054 if (!sep)
6055 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6056 "Invalid environment block");
6057
6058 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6059 if (!esc)
6060 return log_oom();
6061
6062 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6063 return 0;
6064 }
6065
6066 static int show_environment(int argc, char *argv[], void *userdata) {
6067 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6068 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6069 const char *text;
6070 sd_bus *bus;
6071 int r;
6072
6073 r = acquire_bus(BUS_MANAGER, &bus);
6074 if (r < 0)
6075 return r;
6076
6077 (void) pager_open(arg_pager_flags);
6078
6079 r = sd_bus_get_property(
6080 bus,
6081 "org.freedesktop.systemd1",
6082 "/org/freedesktop/systemd1",
6083 "org.freedesktop.systemd1.Manager",
6084 "Environment",
6085 &error,
6086 &reply,
6087 "as");
6088 if (r < 0)
6089 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6090
6091 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6092 if (r < 0)
6093 return bus_log_parse_error(r);
6094
6095 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6096 r = print_variable(text);
6097 if (r < 0)
6098 return r;
6099 }
6100 if (r < 0)
6101 return bus_log_parse_error(r);
6102
6103 r = sd_bus_message_exit_container(reply);
6104 if (r < 0)
6105 return bus_log_parse_error(r);
6106
6107 return 0;
6108 }
6109
6110 static int switch_root(int argc, char *argv[], void *userdata) {
6111 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6112 _cleanup_free_ char *cmdline_init = NULL;
6113 const char *root, *init;
6114 sd_bus *bus;
6115 int r;
6116
6117 if (arg_transport != BUS_TRANSPORT_LOCAL) {
6118 log_error("Cannot switch root remotely.");
6119 return -EINVAL;
6120 }
6121
6122 if (argc < 2 || argc > 3) {
6123 log_error("Wrong number of arguments.");
6124 return -EINVAL;
6125 }
6126
6127 root = argv[1];
6128
6129 if (argc >= 3)
6130 init = argv[2];
6131 else {
6132 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6133 if (r < 0)
6134 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6135
6136 init = cmdline_init;
6137 }
6138
6139 init = empty_to_null(init);
6140 if (init) {
6141 const char *root_systemd_path = NULL, *root_init_path = NULL;
6142
6143 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
6144 root_init_path = strjoina(root, "/", init);
6145
6146 /* If the passed init is actually the same as the
6147 * systemd binary, then let's suppress it. */
6148 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6149 init = NULL;
6150 }
6151
6152 /* Instruct PID1 to exclude us from its killing spree applied during
6153 * the transition. Otherwise we would exit with a failure status even
6154 * though the switch to the new root has succeed. */
6155 argv_cmdline[0] = '@';
6156
6157 r = acquire_bus(BUS_MANAGER, &bus);
6158 if (r < 0)
6159 return r;
6160
6161 /* If we are slow to exit after the root switch, the new systemd instance
6162 * will send us a signal to terminate. Just ignore it and exit normally.
6163 * This way the unit does not end up as failed.
6164 */
6165 r = ignore_signals(SIGTERM, -1);
6166 if (r < 0)
6167 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6168
6169 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6170
6171 r = sd_bus_call_method(
6172 bus,
6173 "org.freedesktop.systemd1",
6174 "/org/freedesktop/systemd1",
6175 "org.freedesktop.systemd1.Manager",
6176 "SwitchRoot",
6177 &error,
6178 NULL,
6179 "ss", root, init);
6180 if (r < 0) {
6181 (void) default_signals(SIGTERM, -1);
6182
6183 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6184 }
6185
6186 return 0;
6187 }
6188
6189 static int set_environment(int argc, char *argv[], void *userdata) {
6190 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6191 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6192 const char *method;
6193 sd_bus *bus;
6194 int r;
6195
6196 assert(argc > 1);
6197 assert(argv);
6198
6199 r = acquire_bus(BUS_MANAGER, &bus);
6200 if (r < 0)
6201 return r;
6202
6203 polkit_agent_open_maybe();
6204
6205 method = streq(argv[0], "set-environment")
6206 ? "SetEnvironment"
6207 : "UnsetEnvironment";
6208
6209 r = sd_bus_message_new_method_call(
6210 bus,
6211 &m,
6212 "org.freedesktop.systemd1",
6213 "/org/freedesktop/systemd1",
6214 "org.freedesktop.systemd1.Manager",
6215 method);
6216 if (r < 0)
6217 return bus_log_create_error(r);
6218
6219 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6220 if (r < 0)
6221 return bus_log_create_error(r);
6222
6223 r = sd_bus_call(bus, m, 0, &error, NULL);
6224 if (r < 0)
6225 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6226
6227 return 0;
6228 }
6229
6230 static int import_environment(int argc, char *argv[], void *userdata) {
6231 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6232 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6233 sd_bus *bus;
6234 int r;
6235
6236 r = acquire_bus(BUS_MANAGER, &bus);
6237 if (r < 0)
6238 return r;
6239
6240 polkit_agent_open_maybe();
6241
6242 r = sd_bus_message_new_method_call(
6243 bus,
6244 &m,
6245 "org.freedesktop.systemd1",
6246 "/org/freedesktop/systemd1",
6247 "org.freedesktop.systemd1.Manager",
6248 "SetEnvironment");
6249 if (r < 0)
6250 return bus_log_create_error(r);
6251
6252 if (argc < 2)
6253 r = sd_bus_message_append_strv(m, environ);
6254 else {
6255 char **a, **b;
6256
6257 r = sd_bus_message_open_container(m, 'a', "s");
6258 if (r < 0)
6259 return bus_log_create_error(r);
6260
6261 STRV_FOREACH(a, strv_skip(argv, 1)) {
6262
6263 if (!env_name_is_valid(*a)) {
6264 log_error("Not a valid environment variable name: %s", *a);
6265 return -EINVAL;
6266 }
6267
6268 STRV_FOREACH(b, environ) {
6269 const char *eq;
6270
6271 eq = startswith(*b, *a);
6272 if (eq && *eq == '=') {
6273
6274 r = sd_bus_message_append(m, "s", *b);
6275 if (r < 0)
6276 return bus_log_create_error(r);
6277
6278 break;
6279 }
6280 }
6281 }
6282
6283 r = sd_bus_message_close_container(m);
6284 }
6285 if (r < 0)
6286 return bus_log_create_error(r);
6287
6288 r = sd_bus_call(bus, m, 0, &error, NULL);
6289 if (r < 0)
6290 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6291
6292 return 0;
6293 }
6294
6295 static int enable_sysv_units(const char *verb, char **args) {
6296 int r = 0;
6297
6298 #if HAVE_SYSV_COMPAT
6299 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6300 unsigned f = 0;
6301
6302 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6303
6304 if (arg_scope != UNIT_FILE_SYSTEM)
6305 return 0;
6306
6307 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6308 return 0;
6309
6310 if (!STR_IN_SET(verb,
6311 "enable",
6312 "disable",
6313 "is-enabled"))
6314 return 0;
6315
6316 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6317 if (r < 0)
6318 return r;
6319
6320 r = 0;
6321 while (args[f]) {
6322
6323 const char *argv[] = {
6324 ROOTLIBEXECDIR "/systemd-sysv-install",
6325 NULL,
6326 NULL,
6327 NULL,
6328 NULL,
6329 };
6330
6331 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
6332 bool found_native = false, found_sysv;
6333 const char *name;
6334 unsigned c = 1;
6335 pid_t pid;
6336 int j;
6337
6338 name = args[f++];
6339
6340 if (!endswith(name, ".service"))
6341 continue;
6342
6343 if (path_is_absolute(name))
6344 continue;
6345
6346 j = unit_file_exists(arg_scope, &paths, name);
6347 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6348 return log_error_errno(j, "Failed to lookup unit file state: %m");
6349 found_native = j != 0;
6350
6351 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6352 * prefer the native unit */
6353 if (found_native && streq(verb, "is-enabled"))
6354 continue;
6355
6356 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6357 if (!p)
6358 return log_oom();
6359
6360 p[strlen(p) - STRLEN(".service")] = 0;
6361 found_sysv = access(p, F_OK) >= 0;
6362 if (!found_sysv)
6363 continue;
6364
6365 if (!arg_quiet) {
6366 if (found_native)
6367 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6368 else
6369 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6370 }
6371
6372 if (!isempty(arg_root))
6373 argv[c++] = q = strappend("--root=", arg_root);
6374
6375 argv[c++] = verb;
6376 argv[c++] = basename(p);
6377 argv[c] = NULL;
6378
6379 l = strv_join((char**)argv, " ");
6380 if (!l)
6381 return log_oom();
6382
6383 if (!arg_quiet)
6384 log_info("Executing: %s", l);
6385
6386 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6387 if (j < 0)
6388 return j;
6389 if (j == 0) {
6390 /* Child */
6391 execv(argv[0], (char**) argv);
6392 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6393 _exit(EXIT_FAILURE);
6394 }
6395
6396 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6397 if (j < 0)
6398 return j;
6399 if (streq(verb, "is-enabled")) {
6400 if (j == EXIT_SUCCESS) {
6401 if (!arg_quiet)
6402 puts("enabled");
6403 r = 1;
6404 } else {
6405 if (!arg_quiet)
6406 puts("disabled");
6407 }
6408
6409 } else if (j != EXIT_SUCCESS)
6410 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6411
6412 if (found_native)
6413 continue;
6414
6415 /* Remove this entry, so that we don't try enabling it as native unit */
6416 assert(f > 0);
6417 f--;
6418 assert(args[f] == name);
6419 strv_remove(args, name);
6420 }
6421
6422 #endif
6423 return r;
6424 }
6425
6426 static int mangle_names(char **original_names, char ***mangled_names) {
6427 char **i, **l, **name;
6428 int r;
6429
6430 l = i = new(char*, strv_length(original_names) + 1);
6431 if (!l)
6432 return log_oom();
6433
6434 STRV_FOREACH(name, original_names) {
6435
6436 /* When enabling units qualified path names are OK,
6437 * too, hence allow them explicitly. */
6438
6439 if (is_path(*name)) {
6440 *i = strdup(*name);
6441 if (!*i) {
6442 strv_free(l);
6443 return log_oom();
6444 }
6445 } else {
6446 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6447 if (r < 0) {
6448 *i = NULL;
6449 strv_free(l);
6450 return log_error_errno(r, "Failed to mangle unit name: %m");
6451 }
6452 }
6453
6454 i++;
6455 }
6456
6457 *i = NULL;
6458 *mangled_names = l;
6459
6460 return 0;
6461 }
6462
6463 static int normalize_filenames(char **names) {
6464 char **u;
6465 int r;
6466
6467 STRV_FOREACH(u, names)
6468 if (!path_is_absolute(*u)) {
6469 char* normalized_path;
6470
6471 if (!isempty(arg_root))
6472 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6473 "Non-absolute paths are not allowed when --root is used: %s",
6474 *u);
6475
6476 if (!strchr(*u,'/'))
6477 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6478 "Link argument does contain at least one directory separator: %s",
6479 *u);
6480
6481 r = path_make_absolute_cwd(*u, &normalized_path);
6482 if (r < 0)
6483 return r;
6484
6485 free_and_replace(*u, normalized_path);
6486 }
6487
6488 return 0;
6489 }
6490
6491 static int normalize_names(char **names, bool warn_if_path) {
6492 char **u;
6493 bool was_path = false;
6494
6495 STRV_FOREACH(u, names) {
6496 int r;
6497
6498 if (!is_path(*u))
6499 continue;
6500
6501 r = free_and_strdup(u, basename(*u));
6502 if (r < 0)
6503 return log_error_errno(r, "Failed to normalize unit file path: %m");
6504
6505 was_path = true;
6506 }
6507
6508 if (warn_if_path && was_path)
6509 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6510
6511 return 0;
6512 }
6513
6514 static int unit_exists(LookupPaths *lp, const char *unit) {
6515 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6516 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6517 _cleanup_free_ char *path = NULL;
6518 static const struct bus_properties_map property_map[] = {
6519 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6520 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6521 {},
6522 };
6523 UnitStatusInfo info = {};
6524 sd_bus *bus;
6525 int r;
6526
6527 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6528 return unit_find_template_path(unit, lp, NULL, NULL);
6529
6530 path = unit_dbus_path_from_name(unit);
6531 if (!path)
6532 return log_oom();
6533
6534 r = acquire_bus(BUS_MANAGER, &bus);
6535 if (r < 0)
6536 return r;
6537
6538 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6539 if (r < 0)
6540 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6541
6542 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6543 }
6544
6545 static int enable_unit(int argc, char *argv[], void *userdata) {
6546 _cleanup_strv_free_ char **names = NULL;
6547 const char *verb = argv[0];
6548 UnitFileChange *changes = NULL;
6549 size_t n_changes = 0;
6550 int carries_install_info = -1;
6551 bool ignore_carries_install_info = arg_quiet;
6552 int r;
6553
6554 if (!argv[1])
6555 return 0;
6556
6557 r = mangle_names(strv_skip(argv, 1), &names);
6558 if (r < 0)
6559 return r;
6560
6561 r = enable_sysv_units(verb, names);
6562 if (r < 0)
6563 return r;
6564
6565 /* If the operation was fully executed by the SysV compat, let's finish early */
6566 if (strv_isempty(names)) {
6567 if (arg_no_reload || install_client_side())
6568 return 0;
6569 return daemon_reload(argc, argv, userdata);
6570 }
6571
6572 if (streq(verb, "disable")) {
6573 r = normalize_names(names, true);
6574 if (r < 0)
6575 return r;
6576 }
6577
6578 if (streq(verb, "link")) {
6579 r = normalize_filenames(names);
6580 if (r < 0)
6581 return r;
6582 }
6583
6584 if (install_client_side()) {
6585 UnitFileFlags flags;
6586
6587 flags = args_to_flags();
6588 if (streq(verb, "enable")) {
6589 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6590 carries_install_info = r;
6591 } else if (streq(verb, "disable"))
6592 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6593 else if (streq(verb, "reenable")) {
6594 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6595 carries_install_info = r;
6596 } else if (streq(verb, "link"))
6597 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6598 else if (streq(verb, "preset")) {
6599 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6600 } else if (streq(verb, "mask"))
6601 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6602 else if (streq(verb, "unmask"))
6603 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6604 else if (streq(verb, "revert"))
6605 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6606 else
6607 assert_not_reached("Unknown verb");
6608
6609 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6610 if (r < 0)
6611 goto finish;
6612 r = 0;
6613 } else {
6614 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6615 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6616 bool expect_carries_install_info = false;
6617 bool send_runtime = true, send_force = true, send_preset_mode = false;
6618 const char *method;
6619 sd_bus *bus;
6620
6621 if (STR_IN_SET(verb, "mask", "unmask")) {
6622 char **name;
6623 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6624
6625 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6626 if (r < 0)
6627 return r;
6628
6629 STRV_FOREACH(name, names) {
6630 r = unit_exists(&lp, *name);
6631 if (r < 0)
6632 return r;
6633 if (r == 0)
6634 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6635 }
6636 }
6637
6638 r = acquire_bus(BUS_MANAGER, &bus);
6639 if (r < 0)
6640 return r;
6641
6642 polkit_agent_open_maybe();
6643
6644 if (streq(verb, "enable")) {
6645 method = "EnableUnitFiles";
6646 expect_carries_install_info = true;
6647 } else if (streq(verb, "disable")) {
6648 method = "DisableUnitFiles";
6649 send_force = false;
6650 } else if (streq(verb, "reenable")) {
6651 method = "ReenableUnitFiles";
6652 expect_carries_install_info = true;
6653 } else if (streq(verb, "link"))
6654 method = "LinkUnitFiles";
6655 else if (streq(verb, "preset")) {
6656
6657 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6658 method = "PresetUnitFilesWithMode";
6659 send_preset_mode = true;
6660 } else
6661 method = "PresetUnitFiles";
6662
6663 expect_carries_install_info = true;
6664 ignore_carries_install_info = true;
6665 } else if (streq(verb, "mask"))
6666 method = "MaskUnitFiles";
6667 else if (streq(verb, "unmask")) {
6668 method = "UnmaskUnitFiles";
6669 send_force = false;
6670 } else if (streq(verb, "revert")) {
6671 method = "RevertUnitFiles";
6672 send_runtime = send_force = false;
6673 } else
6674 assert_not_reached("Unknown verb");
6675
6676 r = sd_bus_message_new_method_call(
6677 bus,
6678 &m,
6679 "org.freedesktop.systemd1",
6680 "/org/freedesktop/systemd1",
6681 "org.freedesktop.systemd1.Manager",
6682 method);
6683 if (r < 0)
6684 return bus_log_create_error(r);
6685
6686 r = sd_bus_message_append_strv(m, names);
6687 if (r < 0)
6688 return bus_log_create_error(r);
6689
6690 if (send_preset_mode) {
6691 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6692 if (r < 0)
6693 return bus_log_create_error(r);
6694 }
6695
6696 if (send_runtime) {
6697 r = sd_bus_message_append(m, "b", arg_runtime);
6698 if (r < 0)
6699 return bus_log_create_error(r);
6700 }
6701
6702 if (send_force) {
6703 r = sd_bus_message_append(m, "b", arg_force);
6704 if (r < 0)
6705 return bus_log_create_error(r);
6706 }
6707
6708 r = sd_bus_call(bus, m, 0, &error, &reply);
6709 if (r < 0)
6710 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6711
6712 if (expect_carries_install_info) {
6713 r = sd_bus_message_read(reply, "b", &carries_install_info);
6714 if (r < 0)
6715 return bus_log_parse_error(r);
6716 }
6717
6718 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6719 if (r < 0)
6720 goto finish;
6721
6722 /* Try to reload if enabled */
6723 if (!arg_no_reload)
6724 r = daemon_reload(argc, argv, userdata);
6725 else
6726 r = 0;
6727 }
6728
6729 if (carries_install_info == 0 && !ignore_carries_install_info)
6730 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6731 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6732 "units). This means they are not meant to be enabled using systemctl.\n"
6733 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6734 "Possible reasons for having this kind of units are:\n"
6735 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6736 " .wants/ or .requires/ directory.\n"
6737 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6738 " a requirement dependency on it.\n"
6739 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6740 " D-Bus, udev, scripted systemctl call, ...).\n"
6741 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6742 " instance name specified.",
6743 special_glyph(SPECIAL_GLYPH_BULLET));
6744
6745 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6746 sd_bus *bus;
6747 size_t len, i;
6748
6749 r = acquire_bus(BUS_MANAGER, &bus);
6750 if (r < 0)
6751 goto finish;
6752
6753 len = strv_length(names);
6754 {
6755 char *new_args[len + 2];
6756
6757 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6758 for (i = 0; i < len; i++)
6759 new_args[i + 1] = basename(names[i]);
6760 new_args[i + 1] = NULL;
6761
6762 r = start_unit(len + 1, new_args, userdata);
6763 }
6764 }
6765
6766 finish:
6767 unit_file_changes_free(changes, n_changes);
6768
6769 return r;
6770 }
6771
6772 static int add_dependency(int argc, char *argv[], void *userdata) {
6773 _cleanup_strv_free_ char **names = NULL;
6774 _cleanup_free_ char *target = NULL;
6775 const char *verb = argv[0];
6776 UnitFileChange *changes = NULL;
6777 size_t n_changes = 0;
6778 UnitDependency dep;
6779 int r = 0;
6780
6781 if (!argv[1])
6782 return 0;
6783
6784 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6785 if (r < 0)
6786 return log_error_errno(r, "Failed to mangle unit name: %m");
6787
6788 r = mangle_names(strv_skip(argv, 2), &names);
6789 if (r < 0)
6790 return r;
6791
6792 if (streq(verb, "add-wants"))
6793 dep = UNIT_WANTS;
6794 else if (streq(verb, "add-requires"))
6795 dep = UNIT_REQUIRES;
6796 else
6797 assert_not_reached("Unknown verb");
6798
6799 if (install_client_side()) {
6800 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6801 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6802
6803 if (r > 0)
6804 r = 0;
6805 } else {
6806 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6807 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6808 sd_bus *bus;
6809
6810 r = acquire_bus(BUS_MANAGER, &bus);
6811 if (r < 0)
6812 return r;
6813
6814 polkit_agent_open_maybe();
6815
6816 r = sd_bus_message_new_method_call(
6817 bus,
6818 &m,
6819 "org.freedesktop.systemd1",
6820 "/org/freedesktop/systemd1",
6821 "org.freedesktop.systemd1.Manager",
6822 "AddDependencyUnitFiles");
6823 if (r < 0)
6824 return bus_log_create_error(r);
6825
6826 r = sd_bus_message_append_strv(m, names);
6827 if (r < 0)
6828 return bus_log_create_error(r);
6829
6830 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6831 if (r < 0)
6832 return bus_log_create_error(r);
6833
6834 r = sd_bus_call(bus, m, 0, &error, &reply);
6835 if (r < 0)
6836 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6837
6838 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6839 if (r < 0)
6840 goto finish;
6841
6842 if (arg_no_reload) {
6843 r = 0;
6844 goto finish;
6845 }
6846
6847 r = daemon_reload(argc, argv, userdata);
6848 }
6849
6850 finish:
6851 unit_file_changes_free(changes, n_changes);
6852
6853 return r;
6854 }
6855
6856 static int preset_all(int argc, char *argv[], void *userdata) {
6857 UnitFileChange *changes = NULL;
6858 size_t n_changes = 0;
6859 int r;
6860
6861 if (install_client_side()) {
6862 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6863 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6864
6865 if (r > 0)
6866 r = 0;
6867 } else {
6868 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6869 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6870 sd_bus *bus;
6871
6872 r = acquire_bus(BUS_MANAGER, &bus);
6873 if (r < 0)
6874 return r;
6875
6876 polkit_agent_open_maybe();
6877
6878 r = sd_bus_call_method(
6879 bus,
6880 "org.freedesktop.systemd1",
6881 "/org/freedesktop/systemd1",
6882 "org.freedesktop.systemd1.Manager",
6883 "PresetAllUnitFiles",
6884 &error,
6885 &reply,
6886 "sbb",
6887 unit_file_preset_mode_to_string(arg_preset_mode),
6888 arg_runtime,
6889 arg_force);
6890 if (r < 0)
6891 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6892
6893 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6894 if (r < 0)
6895 goto finish;
6896
6897 if (arg_no_reload) {
6898 r = 0;
6899 goto finish;
6900 }
6901
6902 r = daemon_reload(argc, argv, userdata);
6903 }
6904
6905 finish:
6906 unit_file_changes_free(changes, n_changes);
6907
6908 return r;
6909 }
6910
6911 static int show_installation_targets_client_side(const char *name) {
6912 UnitFileChange *changes = NULL;
6913 size_t n_changes = 0, i;
6914 UnitFileFlags flags;
6915 char **p;
6916 int r;
6917
6918 p = STRV_MAKE(name);
6919 flags = UNIT_FILE_DRY_RUN |
6920 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6921
6922 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6923 if (r < 0)
6924 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6925
6926 for (i = 0; i < n_changes; i++)
6927 if (changes[i].type == UNIT_FILE_UNLINK)
6928 printf(" %s\n", changes[i].path);
6929
6930 return 0;
6931 }
6932
6933 static int show_installation_targets(sd_bus *bus, const char *name) {
6934 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6935 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6936 const char *link;
6937 int r;
6938
6939 r = sd_bus_call_method(
6940 bus,
6941 "org.freedesktop.systemd1",
6942 "/org/freedesktop/systemd1",
6943 "org.freedesktop.systemd1.Manager",
6944 "GetUnitFileLinks",
6945 &error,
6946 &reply,
6947 "sb", name, arg_runtime);
6948 if (r < 0)
6949 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
6950
6951 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6952 if (r < 0)
6953 return bus_log_parse_error(r);
6954
6955 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
6956 printf(" %s\n", link);
6957
6958 if (r < 0)
6959 return bus_log_parse_error(r);
6960
6961 r = sd_bus_message_exit_container(reply);
6962 if (r < 0)
6963 return bus_log_parse_error(r);
6964
6965 return 0;
6966 }
6967
6968 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
6969 _cleanup_strv_free_ char **names = NULL;
6970 bool enabled;
6971 char **name;
6972 int r;
6973
6974 r = mangle_names(strv_skip(argv, 1), &names);
6975 if (r < 0)
6976 return r;
6977
6978 r = enable_sysv_units(argv[0], names);
6979 if (r < 0)
6980 return r;
6981
6982 enabled = r > 0;
6983
6984 if (install_client_side()) {
6985 STRV_FOREACH(name, names) {
6986 UnitFileState state;
6987
6988 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
6989 if (r < 0)
6990 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
6991
6992 if (IN_SET(state,
6993 UNIT_FILE_ENABLED,
6994 UNIT_FILE_ENABLED_RUNTIME,
6995 UNIT_FILE_STATIC,
6996 UNIT_FILE_INDIRECT,
6997 UNIT_FILE_GENERATED))
6998 enabled = true;
6999
7000 if (!arg_quiet) {
7001 puts(unit_file_state_to_string(state));
7002 if (arg_full) {
7003 r = show_installation_targets_client_side(*name);
7004 if (r < 0)
7005 return r;
7006 }
7007 }
7008 }
7009
7010 r = 0;
7011 } else {
7012 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7013 sd_bus *bus;
7014
7015 r = acquire_bus(BUS_MANAGER, &bus);
7016 if (r < 0)
7017 return r;
7018
7019 STRV_FOREACH(name, names) {
7020 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7021 const char *s;
7022
7023 r = sd_bus_call_method(
7024 bus,
7025 "org.freedesktop.systemd1",
7026 "/org/freedesktop/systemd1",
7027 "org.freedesktop.systemd1.Manager",
7028 "GetUnitFileState",
7029 &error,
7030 &reply,
7031 "s", *name);
7032 if (r < 0)
7033 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7034
7035 r = sd_bus_message_read(reply, "s", &s);
7036 if (r < 0)
7037 return bus_log_parse_error(r);
7038
7039 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7040 enabled = true;
7041
7042 if (!arg_quiet) {
7043 puts(s);
7044 if (arg_full) {
7045 r = show_installation_targets(bus, *name);
7046 if (r < 0)
7047 return r;
7048 }
7049 }
7050 }
7051 }
7052
7053 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7054 }
7055
7056 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7057 char **state = userdata;
7058 int r;
7059
7060 assert(state);
7061
7062 r = sd_bus_get_property_string(
7063 sd_bus_message_get_bus(m),
7064 "org.freedesktop.systemd1",
7065 "/org/freedesktop/systemd1",
7066 "org.freedesktop.systemd1.Manager",
7067 "SystemState",
7068 NULL,
7069 state);
7070
7071 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7072 return 0;
7073 }
7074
7075 static int is_system_running(int argc, char *argv[], void *userdata) {
7076 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7077 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7078 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7079 _cleanup_free_ char *state = NULL;
7080 sd_bus *bus;
7081 int r;
7082
7083 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7084 if (!arg_quiet)
7085 puts("offline");
7086 return EXIT_FAILURE;
7087 }
7088
7089 r = acquire_bus(BUS_MANAGER, &bus);
7090 if (r < 0)
7091 return r;
7092
7093 if (arg_wait) {
7094 r = sd_event_default(&event);
7095 if (r >= 0)
7096 r = sd_bus_attach_event(bus, event, 0);
7097 if (r >= 0)
7098 r = sd_bus_match_signal_async(
7099 bus,
7100 &slot_startup_finished,
7101 "org.freedesktop.systemd1",
7102 "/org/freedesktop/systemd1",
7103 "org.freedesktop.systemd1.Manager",
7104 "StartupFinished",
7105 match_startup_finished, NULL, &state);
7106 if (r < 0) {
7107 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7108 arg_wait = false;
7109 }
7110 }
7111
7112 r = sd_bus_get_property_string(
7113 bus,
7114 "org.freedesktop.systemd1",
7115 "/org/freedesktop/systemd1",
7116 "org.freedesktop.systemd1.Manager",
7117 "SystemState",
7118 &error,
7119 &state);
7120 if (r < 0) {
7121 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7122
7123 if (!arg_quiet)
7124 puts("unknown");
7125 return EXIT_FAILURE;
7126 }
7127
7128 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7129 r = sd_event_loop(event);
7130 if (r < 0) {
7131 log_warning_errno(r, "Failed to get property from event loop: %m");
7132 if (!arg_quiet)
7133 puts("unknown");
7134 return EXIT_FAILURE;
7135 }
7136 }
7137
7138 if (!arg_quiet)
7139 puts(state);
7140
7141 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7142 }
7143
7144 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7145 _cleanup_free_ char *t = NULL;
7146 int r;
7147
7148 assert(new_path);
7149 assert(original_path);
7150 assert(ret_tmp_fn);
7151
7152 r = tempfn_random(new_path, NULL, &t);
7153 if (r < 0)
7154 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7155
7156 r = mkdir_parents(new_path, 0755);
7157 if (r < 0)
7158 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7159
7160 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
7161 if (r == -ENOENT) {
7162
7163 r = touch(t);
7164 if (r < 0)
7165 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7166
7167 } else if (r < 0)
7168 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7169
7170 *ret_tmp_fn = TAKE_PTR(t);
7171
7172 return 0;
7173 }
7174
7175 static int get_file_to_edit(
7176 const LookupPaths *paths,
7177 const char *name,
7178 char **ret_path) {
7179
7180 _cleanup_free_ char *path = NULL, *run = NULL;
7181
7182 assert(name);
7183 assert(ret_path);
7184
7185 path = strjoin(paths->persistent_config, "/", name);
7186 if (!path)
7187 return log_oom();
7188
7189 if (arg_runtime) {
7190 run = strjoin(paths->runtime_config, "/", name);
7191 if (!run)
7192 return log_oom();
7193 }
7194
7195 if (arg_runtime) {
7196 if (access(path, F_OK) >= 0)
7197 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7198 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7199 run, path);
7200
7201 *ret_path = TAKE_PTR(run);
7202 } else
7203 *ret_path = TAKE_PTR(path);
7204
7205 return 0;
7206 }
7207
7208 static int unit_file_create_new(
7209 const LookupPaths *paths,
7210 const char *unit_name,
7211 const char *suffix,
7212 char **ret_new_path,
7213 char **ret_tmp_path) {
7214
7215 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7216 const char *ending;
7217 int r;
7218
7219 assert(unit_name);
7220 assert(ret_new_path);
7221 assert(ret_tmp_path);
7222
7223 ending = strjoina(unit_name, suffix);
7224 r = get_file_to_edit(paths, ending, &new_path);
7225 if (r < 0)
7226 return r;
7227
7228 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7229 if (r < 0)
7230 return r;
7231
7232 *ret_new_path = TAKE_PTR(new_path);
7233 *ret_tmp_path = TAKE_PTR(tmp_path);
7234
7235 return 0;
7236 }
7237
7238 static int unit_file_create_copy(
7239 const LookupPaths *paths,
7240 const char *unit_name,
7241 const char *fragment_path,
7242 char **ret_new_path,
7243 char **ret_tmp_path) {
7244
7245 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7246 int r;
7247
7248 assert(fragment_path);
7249 assert(unit_name);
7250 assert(ret_new_path);
7251 assert(ret_tmp_path);
7252
7253 r = get_file_to_edit(paths, unit_name, &new_path);
7254 if (r < 0)
7255 return r;
7256
7257 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7258 char response;
7259
7260 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7261 if (r < 0)
7262 return r;
7263 if (response != 'y')
7264 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7265 }
7266
7267 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7268 if (r < 0)
7269 return r;
7270
7271 *ret_new_path = TAKE_PTR(new_path);
7272 *ret_tmp_path = TAKE_PTR(tmp_path);
7273
7274 return 0;
7275 }
7276
7277 static int run_editor(char **paths) {
7278 int r;
7279
7280 assert(paths);
7281
7282 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7283 if (r < 0)
7284 return r;
7285 if (r == 0) {
7286 char **editor_args = NULL, **tmp_path, **original_path;
7287 size_t n_editor_args = 0, i = 1, argc;
7288 const char **args, *editor, *p;
7289
7290 argc = strv_length(paths)/2 + 1;
7291
7292 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7293 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7294 * we try to execute well known editors
7295 */
7296 editor = getenv("SYSTEMD_EDITOR");
7297 if (!editor)
7298 editor = getenv("EDITOR");
7299 if (!editor)
7300 editor = getenv("VISUAL");
7301
7302 if (!isempty(editor)) {
7303 editor_args = strv_split(editor, WHITESPACE);
7304 if (!editor_args) {
7305 (void) log_oom();
7306 _exit(EXIT_FAILURE);
7307 }
7308 n_editor_args = strv_length(editor_args);
7309 argc += n_editor_args - 1;
7310 }
7311
7312 args = newa(const char*, argc + 1);
7313
7314 if (n_editor_args > 0) {
7315 args[0] = editor_args[0];
7316 for (; i < n_editor_args; i++)
7317 args[i] = editor_args[i];
7318 }
7319
7320 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7321 args[i++] = *tmp_path;
7322 args[i] = NULL;
7323
7324 if (n_editor_args > 0)
7325 execvp(args[0], (char* const*) args);
7326
7327 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7328 args[0] = p;
7329 execvp(p, (char* const*) args);
7330 /* We do not fail if the editor doesn't exist
7331 * because we want to try each one of them before
7332 * failing.
7333 */
7334 if (errno != ENOENT) {
7335 log_error_errno(errno, "Failed to execute %s: %m", editor);
7336 _exit(EXIT_FAILURE);
7337 }
7338 }
7339
7340 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7341 _exit(EXIT_FAILURE);
7342 }
7343
7344 return 0;
7345 }
7346
7347 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7348 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7349 char **name;
7350 int r;
7351
7352 assert(names);
7353 assert(paths);
7354
7355 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7356 if (r < 0)
7357 return r;
7358
7359 STRV_FOREACH(name, names) {
7360 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7361 const char *unit_name;
7362
7363 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7364 if (r == -EKEYREJECTED) {
7365 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7366 * file path. In that case, find the file client side. */
7367 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7368 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7369 }
7370 if (r == -ERFKILL)
7371 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7372 if (r < 0)
7373 return r;
7374
7375 if (r == 0) {
7376 assert(!path);
7377
7378 if (!arg_force) {
7379 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7380 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7381 arg_scope == UNIT_FILE_USER ? " --user" : "",
7382 *name);
7383 return -ENOENT;
7384 }
7385
7386 /* Create a new unit from scratch */
7387 unit_name = *name;
7388 r = unit_file_create_new(&lp, unit_name,
7389 arg_full ? NULL : ".d/override.conf",
7390 &new_path, &tmp_path);
7391 } else {
7392 assert(path);
7393
7394 unit_name = basename(path);
7395 /* We follow unit aliases, but we need to propagate the instance */
7396 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7397 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7398 _cleanup_free_ char *instance = NULL;
7399
7400 r = unit_name_to_instance(*name, &instance);
7401 if (r < 0)
7402 return r;
7403
7404 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7405 if (r < 0)
7406 return r;
7407
7408 unit_name = tmp_name;
7409 }
7410
7411 if (arg_full)
7412 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7413 else
7414 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7415 }
7416 if (r < 0)
7417 return r;
7418
7419 r = strv_push_pair(paths, new_path, tmp_path);
7420 if (r < 0)
7421 return log_oom();
7422
7423 new_path = tmp_path = NULL;
7424 }
7425
7426 return 0;
7427 }
7428
7429 static int edit(int argc, char *argv[], void *userdata) {
7430 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7431 _cleanup_strv_free_ char **names = NULL;
7432 _cleanup_strv_free_ char **paths = NULL;
7433 char **original, **tmp;
7434 sd_bus *bus;
7435 int r;
7436
7437 if (!on_tty()) {
7438 log_error("Cannot edit units if not on a tty.");
7439 return -EINVAL;
7440 }
7441
7442 if (arg_transport != BUS_TRANSPORT_LOCAL) {
7443 log_error("Cannot edit units remotely.");
7444 return -EINVAL;
7445 }
7446
7447 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7448 if (r < 0)
7449 return log_error_errno(r, "Failed to determine unit paths: %m");
7450
7451 r = acquire_bus(BUS_MANAGER, &bus);
7452 if (r < 0)
7453 return r;
7454
7455 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7456 if (r < 0)
7457 return log_error_errno(r, "Failed to expand names: %m");
7458
7459 STRV_FOREACH(tmp, names) {
7460 r = unit_is_masked(bus, &lp, *tmp);
7461 if (r < 0)
7462 return r;
7463 if (r > 0) {
7464 log_error("Cannot edit %s: unit is masked.", *tmp);
7465 return -EINVAL;
7466 }
7467 }
7468
7469 r = find_paths_to_edit(bus, names, &paths);
7470 if (r < 0)
7471 return r;
7472
7473 if (strv_isempty(paths))
7474 return -ENOENT;
7475
7476 r = run_editor(paths);
7477 if (r < 0)
7478 goto end;
7479
7480 STRV_FOREACH_PAIR(original, tmp, paths) {
7481 /* If the temporary file is empty we ignore it.
7482 * This allows the user to cancel the modification.
7483 */
7484 if (null_or_empty_path(*tmp)) {
7485 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7486 continue;
7487 }
7488
7489 r = rename(*tmp, *original);
7490 if (r < 0) {
7491 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7492 goto end;
7493 }
7494 }
7495
7496 r = 0;
7497
7498 if (!arg_no_reload && !install_client_side())
7499 r = daemon_reload(argc, argv, userdata);
7500
7501 end:
7502 STRV_FOREACH_PAIR(original, tmp, paths) {
7503 (void) unlink(*tmp);
7504
7505 /* Removing empty dropin dirs */
7506 if (!arg_full) {
7507 _cleanup_free_ char *dir;
7508
7509 dir = dirname_malloc(*original);
7510 if (!dir)
7511 return log_oom();
7512
7513 /* no need to check if the dir is empty, rmdir
7514 * does nothing if it is not the case.
7515 */
7516 (void) rmdir(dir);
7517 }
7518 }
7519
7520 return r;
7521 }
7522
7523 static int systemctl_help(void) {
7524 _cleanup_free_ char *link = NULL;
7525 int r;
7526
7527 (void) pager_open(arg_pager_flags);
7528
7529 r = terminal_urlify_man("systemctl", "1", &link);
7530 if (r < 0)
7531 return log_oom();
7532
7533 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7534 "Query or send control commands to the systemd manager.\n\n"
7535 " -h --help Show this help\n"
7536 " --version Show package version\n"
7537 " --system Connect to system manager\n"
7538 " --user Connect to user service manager\n"
7539 " -H --host=[USER@]HOST\n"
7540 " Operate on remote host\n"
7541 " -M --machine=CONTAINER\n"
7542 " Operate on local container\n"
7543 " -t --type=TYPE List units of a particular type\n"
7544 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7545 " -p --property=NAME Show only properties by this name\n"
7546 " -a --all Show all properties/all units currently in memory,\n"
7547 " including dead/empty ones. To list all units installed on\n"
7548 " the system, use the 'list-unit-files' command instead.\n"
7549 " --failed Same as --state=failed\n"
7550 " -l --full Don't ellipsize unit names on output\n"
7551 " -r --recursive Show unit list of host and local containers\n"
7552 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7553 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7554 " queueing a new job\n"
7555 " --show-types When showing sockets, explicitly show their type\n"
7556 " --value When showing properties, only print the value\n"
7557 " -i --ignore-inhibitors\n"
7558 " When shutting down or sleeping, ignore inhibitors\n"
7559 " --kill-who=WHO Who to send signal to\n"
7560 " -s --signal=SIGNAL Which signal to send\n"
7561 " --now Start or stop unit in addition to enabling or disabling it\n"
7562 " --dry-run Only print what would be done\n"
7563 " -q --quiet Suppress output\n"
7564 " --wait For (re)start, wait until service stopped again\n"
7565 " For is-system-running, wait until startup is completed\n"
7566 " --no-block Do not wait until operation finished\n"
7567 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7568 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7569 " --no-legend Do not print a legend (column headers and hints)\n"
7570 " --no-pager Do not pipe output into a pager\n"
7571 " --no-ask-password\n"
7572 " Do not ask for system passwords\n"
7573 " --global Enable/disable/mask unit files globally\n"
7574 " --runtime Enable/disable/mask unit files temporarily until next\n"
7575 " reboot\n"
7576 " -f --force When enabling unit files, override existing symlinks\n"
7577 " When shutting down, execute action immediately\n"
7578 " --preset-mode= Apply only enable, only disable, or all presets\n"
7579 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7580 " directory\n"
7581 " -n --lines=INTEGER Number of journal entries to show\n"
7582 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7583 " short-iso, short-iso-precise, short-full,\n"
7584 " short-monotonic, short-unix,\n"
7585 " verbose, export, json, json-pretty, json-sse, cat)\n"
7586 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7587 " --boot-loader-menu=TIME\n"
7588 " Boot into boot loader menu on next boot\n"
7589 " --boot-loader-entry=NAME\n"
7590 " Boot into a specific boot loader entry on next boot\n"
7591 " --plain Print unit dependencies as a list instead of a tree\n\n"
7592 "Unit Commands:\n"
7593 " list-units [PATTERN...] List units currently in memory\n"
7594 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7595 " ordered by address\n"
7596 " list-timers [PATTERN...] List timer units currently in memory,\n"
7597 " ordered by next elapse\n"
7598 " start UNIT... Start (activate) one or more units\n"
7599 " stop UNIT... Stop (deactivate) one or more units\n"
7600 " reload UNIT... Reload one or more units\n"
7601 " restart UNIT... Start or restart one or more units\n"
7602 " try-restart UNIT... Restart one or more units if active\n"
7603 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7604 " otherwise start or restart\n"
7605 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7606 " if supported, otherwise restart\n"
7607 " isolate UNIT Start one unit and stop all others\n"
7608 " kill UNIT... Send signal to processes of a unit\n"
7609 " is-active PATTERN... Check whether units are active\n"
7610 " is-failed PATTERN... Check whether units are failed\n"
7611 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7612 " show [PATTERN...|JOB...] Show properties of one or more\n"
7613 " units/jobs or the manager\n"
7614 " cat PATTERN... Show files and drop-ins of specified units\n"
7615 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7616 " help PATTERN...|PID... Show manual for one or more units\n"
7617 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7618 " units\n"
7619 " list-dependencies [UNIT] Recursively show units which are required\n"
7620 " or wanted by this unit or by which this\n"
7621 " unit is required or wanted\n\n"
7622 "Unit File Commands:\n"
7623 " list-unit-files [PATTERN...] List installed unit files\n"
7624 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7625 " disable UNIT... Disable one or more unit files\n"
7626 " reenable UNIT... Reenable one or more unit files\n"
7627 " preset UNIT... Enable/disable one or more unit files\n"
7628 " based on preset configuration\n"
7629 " preset-all Enable/disable all unit files based on\n"
7630 " preset configuration\n"
7631 " is-enabled UNIT... Check whether unit files are enabled\n"
7632 " mask UNIT... Mask one or more units\n"
7633 " unmask UNIT... Unmask one or more units\n"
7634 " link PATH... Link one or more units files into\n"
7635 " the search path\n"
7636 " revert UNIT... Revert one or more unit files to vendor\n"
7637 " version\n"
7638 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7639 " on specified one or more units\n"
7640 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7641 " on specified one or more units\n"
7642 " edit UNIT... Edit one or more unit files\n"
7643 " get-default Get the name of the default target\n"
7644 " set-default TARGET Set the default target\n\n"
7645 "Machine Commands:\n"
7646 " list-machines [PATTERN...] List local containers and host\n\n"
7647 "Job Commands:\n"
7648 " list-jobs [PATTERN...] List jobs\n"
7649 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7650 "Environment Commands:\n"
7651 " show-environment Dump environment\n"
7652 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7653 " unset-environment VARIABLE... Unset one or more environment variables\n"
7654 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7655 "Manager Lifecycle Commands:\n"
7656 " daemon-reload Reload systemd manager configuration\n"
7657 " daemon-reexec Reexecute systemd manager\n\n"
7658 "System Commands:\n"
7659 " is-system-running Check whether system is fully running\n"
7660 " default Enter system default mode\n"
7661 " rescue Enter system rescue mode\n"
7662 " emergency Enter system emergency mode\n"
7663 " halt Shut down and halt the system\n"
7664 " poweroff Shut down and power-off the system\n"
7665 " reboot [ARG] Shut down and reboot the system\n"
7666 " kexec Shut down and reboot the system with kexec\n"
7667 " exit [EXIT_CODE] Request user instance or container exit\n"
7668 " switch-root ROOT [INIT] Change to a different root file system\n"
7669 " suspend Suspend the system\n"
7670 " hibernate Hibernate the system\n"
7671 " hybrid-sleep Hibernate and suspend the system\n"
7672 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7673 " time and put it into hibernate\n"
7674 "\nSee the %s for details.\n"
7675 , program_invocation_short_name
7676 , link
7677 );
7678
7679 return 0;
7680 }
7681
7682 static int halt_help(void) {
7683 _cleanup_free_ char *link = NULL;
7684 int r;
7685
7686 r = terminal_urlify_man("halt", "8", &link);
7687 if (r < 0)
7688 return log_oom();
7689
7690 printf("%s [OPTIONS...]%s\n\n"
7691 "%s the system.\n\n"
7692 " --help Show this help\n"
7693 " --halt Halt the machine\n"
7694 " -p --poweroff Switch off the machine\n"
7695 " --reboot Reboot the machine\n"
7696 " -f --force Force immediate halt/power-off/reboot\n"
7697 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7698 " -d --no-wtmp Don't write wtmp record\n"
7699 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7700 "\nSee the %s for details.\n"
7701 , program_invocation_short_name
7702 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7703 arg_action == ACTION_REBOOT ? "Reboot" :
7704 arg_action == ACTION_POWEROFF ? "Power off" :
7705 "Halt"
7706 , link
7707 );
7708
7709 return 0;
7710 }
7711
7712 static int shutdown_help(void) {
7713 _cleanup_free_ char *link = NULL;
7714 int r;
7715
7716 r = terminal_urlify_man("shutdown", "8", &link);
7717 if (r < 0)
7718 return log_oom();
7719
7720 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7721 "Shut down the system.\n\n"
7722 " --help Show this help\n"
7723 " -H --halt Halt the machine\n"
7724 " -P --poweroff Power-off the machine\n"
7725 " -r --reboot Reboot the machine\n"
7726 " -h Equivalent to --poweroff, overridden by --halt\n"
7727 " -k Don't halt/power-off/reboot, just send warnings\n"
7728 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7729 " -c Cancel a pending shutdown\n"
7730 "\nSee the %s for details.\n"
7731 , program_invocation_short_name
7732 , link
7733 );
7734
7735 return 0;
7736 }
7737
7738 static int telinit_help(void) {
7739 _cleanup_free_ char *link = NULL;
7740 int r;
7741
7742 r = terminal_urlify_man("telinit", "8", &link);
7743 if (r < 0)
7744 return log_oom();
7745
7746 printf("%s [OPTIONS...] {COMMAND}\n\n"
7747 "Send control commands to the init daemon.\n\n"
7748 " --help Show this help\n"
7749 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7750 "Commands:\n"
7751 " 0 Power-off the machine\n"
7752 " 6 Reboot the machine\n"
7753 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7754 " 1, s, S Enter rescue mode\n"
7755 " q, Q Reload init daemon configuration\n"
7756 " u, U Reexecute init daemon\n"
7757 "\nSee the %s for details.\n"
7758 , program_invocation_short_name
7759 , link
7760 );
7761
7762 return 0;
7763 }
7764
7765 static int runlevel_help(void) {
7766 _cleanup_free_ char *link = NULL;
7767 int r;
7768
7769 r = terminal_urlify_man("runlevel", "8", &link);
7770 if (r < 0)
7771 return log_oom();
7772
7773 printf("%s [OPTIONS...]\n\n"
7774 "Prints the previous and current runlevel of the init system.\n\n"
7775 " --help Show this help\n"
7776 "\nSee the %s for details.\n"
7777 , program_invocation_short_name
7778 , link
7779 );
7780
7781 return 0;
7782 }
7783
7784 static void help_types(void) {
7785 if (!arg_no_legend)
7786 puts("Available unit types:");
7787
7788 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7789 }
7790
7791 static void help_states(void) {
7792 if (!arg_no_legend)
7793 puts("Available unit load states:");
7794 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7795
7796 if (!arg_no_legend)
7797 puts("\nAvailable unit active states:");
7798 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7799
7800 if (!arg_no_legend)
7801 puts("\nAvailable automount unit substates:");
7802 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7803
7804 if (!arg_no_legend)
7805 puts("\nAvailable device unit substates:");
7806 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7807
7808 if (!arg_no_legend)
7809 puts("\nAvailable mount unit substates:");
7810 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7811
7812 if (!arg_no_legend)
7813 puts("\nAvailable path unit substates:");
7814 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7815
7816 if (!arg_no_legend)
7817 puts("\nAvailable scope unit substates:");
7818 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7819
7820 if (!arg_no_legend)
7821 puts("\nAvailable service unit substates:");
7822 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7823
7824 if (!arg_no_legend)
7825 puts("\nAvailable slice unit substates:");
7826 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7827
7828 if (!arg_no_legend)
7829 puts("\nAvailable socket unit substates:");
7830 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7831
7832 if (!arg_no_legend)
7833 puts("\nAvailable swap unit substates:");
7834 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7835
7836 if (!arg_no_legend)
7837 puts("\nAvailable target unit substates:");
7838 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7839
7840 if (!arg_no_legend)
7841 puts("\nAvailable timer unit substates:");
7842 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7843 }
7844
7845 static int help_boot_loader_entry(void) {
7846 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7847 _cleanup_free_ char **l = NULL;
7848 sd_bus *bus;
7849 char **i;
7850 int r;
7851
7852 r = acquire_bus(BUS_FULL, &bus);
7853 if (r < 0)
7854 return r;
7855
7856 r = sd_bus_get_property_strv(
7857 bus,
7858 "org.freedesktop.login1",
7859 "/org/freedesktop/login1",
7860 "org.freedesktop.login1.Manager",
7861 "BootLoaderEntries",
7862 &error,
7863 &l);
7864 if (r < 0)
7865 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
7866
7867 if (strv_isempty(l)) {
7868 log_error("No boot loader entries discovered.");
7869 return -ENODATA;
7870 }
7871
7872 STRV_FOREACH(i, l)
7873 puts(*i);
7874
7875 return 0;
7876 }
7877
7878 static int systemctl_parse_argv(int argc, char *argv[]) {
7879 enum {
7880 ARG_FAIL = 0x100,
7881 ARG_REVERSE,
7882 ARG_AFTER,
7883 ARG_BEFORE,
7884 ARG_DRY_RUN,
7885 ARG_SHOW_TYPES,
7886 ARG_IRREVERSIBLE,
7887 ARG_IGNORE_DEPENDENCIES,
7888 ARG_VALUE,
7889 ARG_VERSION,
7890 ARG_USER,
7891 ARG_SYSTEM,
7892 ARG_GLOBAL,
7893 ARG_NO_BLOCK,
7894 ARG_NO_LEGEND,
7895 ARG_NO_PAGER,
7896 ARG_NO_WALL,
7897 ARG_ROOT,
7898 ARG_NO_RELOAD,
7899 ARG_KILL_WHO,
7900 ARG_NO_ASK_PASSWORD,
7901 ARG_FAILED,
7902 ARG_RUNTIME,
7903 ARG_PLAIN,
7904 ARG_STATE,
7905 ARG_JOB_MODE,
7906 ARG_PRESET_MODE,
7907 ARG_FIRMWARE_SETUP,
7908 ARG_BOOT_LOADER_MENU,
7909 ARG_BOOT_LOADER_ENTRY,
7910 ARG_NOW,
7911 ARG_MESSAGE,
7912 ARG_WAIT,
7913 };
7914
7915 static const struct option options[] = {
7916 { "help", no_argument, NULL, 'h' },
7917 { "version", no_argument, NULL, ARG_VERSION },
7918 { "type", required_argument, NULL, 't' },
7919 { "property", required_argument, NULL, 'p' },
7920 { "all", no_argument, NULL, 'a' },
7921 { "reverse", no_argument, NULL, ARG_REVERSE },
7922 { "after", no_argument, NULL, ARG_AFTER },
7923 { "before", no_argument, NULL, ARG_BEFORE },
7924 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7925 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7926 { "full", no_argument, NULL, 'l' },
7927 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7928 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7929 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7930 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7931 { "ignore-inhibitors", no_argument, NULL, 'i' },
7932 { "value", no_argument, NULL, ARG_VALUE },
7933 { "user", no_argument, NULL, ARG_USER },
7934 { "system", no_argument, NULL, ARG_SYSTEM },
7935 { "global", no_argument, NULL, ARG_GLOBAL },
7936 { "wait", no_argument, NULL, ARG_WAIT },
7937 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7938 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7939 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7940 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7941 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7942 { "quiet", no_argument, NULL, 'q' },
7943 { "root", required_argument, NULL, ARG_ROOT },
7944 { "force", no_argument, NULL, 'f' },
7945 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7946 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7947 { "signal", required_argument, NULL, 's' },
7948 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7949 { "host", required_argument, NULL, 'H' },
7950 { "machine", required_argument, NULL, 'M' },
7951 { "runtime", no_argument, NULL, ARG_RUNTIME },
7952 { "lines", required_argument, NULL, 'n' },
7953 { "output", required_argument, NULL, 'o' },
7954 { "plain", no_argument, NULL, ARG_PLAIN },
7955 { "state", required_argument, NULL, ARG_STATE },
7956 { "recursive", no_argument, NULL, 'r' },
7957 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7958 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7959 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
7960 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
7961 { "now", no_argument, NULL, ARG_NOW },
7962 { "message", required_argument, NULL, ARG_MESSAGE },
7963 {}
7964 };
7965
7966 const char *p;
7967 int c, r;
7968
7969 assert(argc >= 0);
7970 assert(argv);
7971
7972 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7973 arg_ask_password = true;
7974
7975 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir.::", options, NULL)) >= 0)
7976
7977 switch (c) {
7978
7979 case 'h':
7980 return systemctl_help();
7981
7982 case ARG_VERSION:
7983 return version();
7984
7985 case 't': {
7986 if (isempty(optarg))
7987 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7988 "--type= requires arguments.");
7989
7990 for (p = optarg;;) {
7991 _cleanup_free_ char *type = NULL;
7992
7993 r = extract_first_word(&p, &type, ",", 0);
7994 if (r < 0)
7995 return log_error_errno(r, "Failed to parse type: %s", optarg);
7996 if (r == 0)
7997 break;
7998
7999 if (streq(type, "help")) {
8000 help_types();
8001 return 0;
8002 }
8003
8004 if (unit_type_from_string(type) >= 0) {
8005 if (strv_push(&arg_types, type) < 0)
8006 return log_oom();
8007 type = NULL;
8008 continue;
8009 }
8010
8011 /* It's much nicer to use --state= for
8012 * load states, but let's support this
8013 * in --types= too for compatibility
8014 * with old versions */
8015 if (unit_load_state_from_string(type) >= 0) {
8016 if (strv_push(&arg_states, type) < 0)
8017 return log_oom();
8018 type = NULL;
8019 continue;
8020 }
8021
8022 log_error("Unknown unit type or load state '%s'.", type);
8023 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8024 "Use -t help to see a list of allowed values.");
8025 }
8026
8027 break;
8028 }
8029
8030 case 'p': {
8031 /* Make sure that if the empty property list
8032 was specified, we won't show any properties. */
8033 if (isempty(optarg) && !arg_properties) {
8034 arg_properties = new0(char*, 1);
8035 if (!arg_properties)
8036 return log_oom();
8037 } else
8038 for (p = optarg;;) {
8039 _cleanup_free_ char *prop = NULL;
8040
8041 r = extract_first_word(&p, &prop, ",", 0);
8042 if (r < 0)
8043 return log_error_errno(r, "Failed to parse property: %s", optarg);
8044 if (r == 0)
8045 break;
8046
8047 if (strv_push(&arg_properties, prop) < 0)
8048 return log_oom();
8049
8050 prop = NULL;
8051 }
8052
8053 /* If the user asked for a particular
8054 * property, show it to him, even if it is
8055 * empty. */
8056 arg_all = true;
8057
8058 break;
8059 }
8060
8061 case 'a':
8062 arg_all = true;
8063 break;
8064
8065 case ARG_REVERSE:
8066 arg_dependency = DEPENDENCY_REVERSE;
8067 break;
8068
8069 case ARG_AFTER:
8070 arg_dependency = DEPENDENCY_AFTER;
8071 arg_jobs_after = true;
8072 break;
8073
8074 case ARG_BEFORE:
8075 arg_dependency = DEPENDENCY_BEFORE;
8076 arg_jobs_before = true;
8077 break;
8078
8079 case ARG_SHOW_TYPES:
8080 arg_show_types = true;
8081 break;
8082
8083 case ARG_VALUE:
8084 arg_value = true;
8085 break;
8086
8087 case ARG_JOB_MODE:
8088 arg_job_mode = optarg;
8089 break;
8090
8091 case ARG_FAIL:
8092 arg_job_mode = "fail";
8093 break;
8094
8095 case ARG_IRREVERSIBLE:
8096 arg_job_mode = "replace-irreversibly";
8097 break;
8098
8099 case ARG_IGNORE_DEPENDENCIES:
8100 arg_job_mode = "ignore-dependencies";
8101 break;
8102
8103 case ARG_USER:
8104 arg_scope = UNIT_FILE_USER;
8105 break;
8106
8107 case ARG_SYSTEM:
8108 arg_scope = UNIT_FILE_SYSTEM;
8109 break;
8110
8111 case ARG_GLOBAL:
8112 arg_scope = UNIT_FILE_GLOBAL;
8113 break;
8114
8115 case ARG_WAIT:
8116 arg_wait = true;
8117 break;
8118
8119 case ARG_NO_BLOCK:
8120 arg_no_block = true;
8121 break;
8122
8123 case ARG_NO_LEGEND:
8124 arg_no_legend = true;
8125 break;
8126
8127 case ARG_NO_PAGER:
8128 arg_pager_flags |= PAGER_DISABLE;
8129 break;
8130
8131 case ARG_NO_WALL:
8132 arg_no_wall = true;
8133 break;
8134
8135 case ARG_ROOT:
8136 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8137 if (r < 0)
8138 return r;
8139 break;
8140
8141 case 'l':
8142 arg_full = true;
8143 break;
8144
8145 case ARG_FAILED:
8146 if (strv_extend(&arg_states, "failed") < 0)
8147 return log_oom();
8148
8149 break;
8150
8151 case ARG_DRY_RUN:
8152 arg_dry_run = true;
8153 break;
8154
8155 case 'q':
8156 arg_quiet = true;
8157 break;
8158
8159 case 'f':
8160 arg_force++;
8161 break;
8162
8163 case ARG_NO_RELOAD:
8164 arg_no_reload = true;
8165 break;
8166
8167 case ARG_KILL_WHO:
8168 arg_kill_who = optarg;
8169 break;
8170
8171 case 's':
8172 if (streq(optarg, "help")) {
8173 DUMP_STRING_TABLE(signal, int, _NSIG);
8174 return 0;
8175 }
8176
8177 arg_signal = signal_from_string(optarg);
8178 if (arg_signal < 0)
8179 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8180 "Failed to parse signal string %s.",
8181 optarg);
8182 break;
8183
8184 case ARG_NO_ASK_PASSWORD:
8185 arg_ask_password = false;
8186 break;
8187
8188 case 'H':
8189 arg_transport = BUS_TRANSPORT_REMOTE;
8190 arg_host = optarg;
8191 break;
8192
8193 case 'M':
8194 arg_transport = BUS_TRANSPORT_MACHINE;
8195 arg_host = optarg;
8196 break;
8197
8198 case ARG_RUNTIME:
8199 arg_runtime = true;
8200 break;
8201
8202 case 'n':
8203 if (safe_atou(optarg, &arg_lines) < 0)
8204 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8205 "Failed to parse lines '%s'",
8206 optarg);
8207 break;
8208
8209 case 'o':
8210 if (streq(optarg, "help")) {
8211 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8212 return 0;
8213 }
8214
8215 arg_output = output_mode_from_string(optarg);
8216 if (arg_output < 0)
8217 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8218 "Unknown output '%s'.",
8219 optarg);
8220 break;
8221
8222 case 'i':
8223 arg_ignore_inhibitors = true;
8224 break;
8225
8226 case ARG_PLAIN:
8227 arg_plain = true;
8228 break;
8229
8230 case ARG_FIRMWARE_SETUP:
8231 arg_firmware_setup = true;
8232 break;
8233
8234 case ARG_BOOT_LOADER_MENU:
8235
8236 r = parse_sec(optarg, &arg_boot_loader_menu);
8237 if (r < 0)
8238 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8239
8240 break;
8241
8242 case ARG_BOOT_LOADER_ENTRY:
8243
8244 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8245 r = help_boot_loader_entry();
8246 if (r < 0)
8247 return r;
8248
8249 return 0;
8250 }
8251
8252 arg_boot_loader_entry = empty_to_null(optarg);
8253 break;
8254
8255 case ARG_STATE: {
8256 if (isempty(optarg))
8257 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8258 "--state= requires arguments.");
8259
8260 for (p = optarg;;) {
8261 _cleanup_free_ char *s = NULL;
8262
8263 r = extract_first_word(&p, &s, ",", 0);
8264 if (r < 0)
8265 return log_error_errno(r, "Failed to parse state: %s", optarg);
8266 if (r == 0)
8267 break;
8268
8269 if (streq(s, "help")) {
8270 help_states();
8271 return 0;
8272 }
8273
8274 if (strv_push(&arg_states, s) < 0)
8275 return log_oom();
8276
8277 s = NULL;
8278 }
8279 break;
8280 }
8281
8282 case 'r':
8283 if (geteuid() != 0)
8284 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8285 "--recursive requires root privileges.");
8286
8287 arg_recursive = true;
8288 break;
8289
8290 case ARG_PRESET_MODE:
8291 if (streq(optarg, "help")) {
8292 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8293 return 0;
8294 }
8295
8296 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8297 if (arg_preset_mode < 0)
8298 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8299 "Failed to parse preset mode: %s.", optarg);
8300
8301 break;
8302
8303 case ARG_NOW:
8304 arg_now = true;
8305 break;
8306
8307 case ARG_MESSAGE:
8308 if (strv_extend(&arg_wall, optarg) < 0)
8309 return log_oom();
8310 break;
8311
8312 case '.':
8313 /* Output an error mimicking getopt, and print a hint afterwards */
8314 log_error("%s: invalid option -- '.'", program_invocation_name);
8315 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8316 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8317 program_invocation_name, optarg ?: "mount");
8318 _fallthrough_;
8319
8320 case '?':
8321 return -EINVAL;
8322
8323 default:
8324 assert_not_reached("Unhandled option");
8325 }
8326
8327 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8328 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8329 "Cannot access user instance remotely.");
8330
8331 if (arg_wait && arg_no_block)
8332 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8333 "--wait may not be combined with --no-block.");
8334
8335 return 1;
8336 }
8337
8338 static int halt_parse_argv(int argc, char *argv[]) {
8339 enum {
8340 ARG_HELP = 0x100,
8341 ARG_HALT,
8342 ARG_REBOOT,
8343 ARG_NO_WALL
8344 };
8345
8346 static const struct option options[] = {
8347 { "help", no_argument, NULL, ARG_HELP },
8348 { "halt", no_argument, NULL, ARG_HALT },
8349 { "poweroff", no_argument, NULL, 'p' },
8350 { "reboot", no_argument, NULL, ARG_REBOOT },
8351 { "force", no_argument, NULL, 'f' },
8352 { "wtmp-only", no_argument, NULL, 'w' },
8353 { "no-wtmp", no_argument, NULL, 'd' },
8354 { "no-sync", no_argument, NULL, 'n' },
8355 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8356 {}
8357 };
8358
8359 int c, r, runlevel;
8360
8361 assert(argc >= 0);
8362 assert(argv);
8363
8364 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8365 if (IN_SET(runlevel, '0', '6'))
8366 arg_force = 2;
8367
8368 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8369 switch (c) {
8370
8371 case ARG_HELP:
8372 return halt_help();
8373
8374 case ARG_HALT:
8375 arg_action = ACTION_HALT;
8376 break;
8377
8378 case 'p':
8379 if (arg_action != ACTION_REBOOT)
8380 arg_action = ACTION_POWEROFF;
8381 break;
8382
8383 case ARG_REBOOT:
8384 arg_action = ACTION_REBOOT;
8385 break;
8386
8387 case 'f':
8388 arg_force = 2;
8389 break;
8390
8391 case 'w':
8392 arg_dry_run = true;
8393 break;
8394
8395 case 'd':
8396 arg_no_wtmp = true;
8397 break;
8398
8399 case 'n':
8400 arg_no_sync = true;
8401 break;
8402
8403 case ARG_NO_WALL:
8404 arg_no_wall = true;
8405 break;
8406
8407 case 'i':
8408 case 'h':
8409 /* Compatibility nops */
8410 break;
8411
8412 case '?':
8413 return -EINVAL;
8414
8415 default:
8416 assert_not_reached("Unhandled option");
8417 }
8418
8419 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8420 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
8421 if (r < 0)
8422 return r;
8423 } else if (optind < argc)
8424 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8425 "Too many arguments.");
8426
8427 return 1;
8428 }
8429
8430 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
8431 assert(t);
8432 assert(_u);
8433
8434 if (streq(t, "now"))
8435 *_u = 0;
8436 else if (!strchr(t, ':')) {
8437 uint64_t u;
8438
8439 if (safe_atou64(t, &u) < 0)
8440 return -EINVAL;
8441
8442 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
8443 } else {
8444 char *e = NULL;
8445 long hour, minute;
8446 struct tm tm = {};
8447 time_t s;
8448 usec_t n;
8449
8450 errno = 0;
8451 hour = strtol(t, &e, 10);
8452 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
8453 return -EINVAL;
8454
8455 minute = strtol(e+1, &e, 10);
8456 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
8457 return -EINVAL;
8458
8459 n = now(CLOCK_REALTIME);
8460 s = (time_t) (n / USEC_PER_SEC);
8461
8462 assert_se(localtime_r(&s, &tm));
8463
8464 tm.tm_hour = (int) hour;
8465 tm.tm_min = (int) minute;
8466 tm.tm_sec = 0;
8467
8468 s = mktime(&tm);
8469 assert(s >= 0);
8470
8471 *_u = (usec_t) s * USEC_PER_SEC;
8472
8473 while (*_u <= n)
8474 *_u += USEC_PER_DAY;
8475 }
8476
8477 return 0;
8478 }
8479
8480 static int shutdown_parse_argv(int argc, char *argv[]) {
8481 enum {
8482 ARG_HELP = 0x100,
8483 ARG_NO_WALL
8484 };
8485
8486 static const struct option options[] = {
8487 { "help", no_argument, NULL, ARG_HELP },
8488 { "halt", no_argument, NULL, 'H' },
8489 { "poweroff", no_argument, NULL, 'P' },
8490 { "reboot", no_argument, NULL, 'r' },
8491 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8492 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8493 {}
8494 };
8495
8496 char **wall = NULL;
8497 int c, r;
8498
8499 assert(argc >= 0);
8500 assert(argv);
8501
8502 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8503 switch (c) {
8504
8505 case ARG_HELP:
8506 return shutdown_help();
8507
8508 case 'H':
8509 arg_action = ACTION_HALT;
8510 break;
8511
8512 case 'P':
8513 arg_action = ACTION_POWEROFF;
8514 break;
8515
8516 case 'r':
8517 if (kexec_loaded())
8518 arg_action = ACTION_KEXEC;
8519 else
8520 arg_action = ACTION_REBOOT;
8521 break;
8522
8523 case 'K':
8524 arg_action = ACTION_KEXEC;
8525 break;
8526
8527 case 'h':
8528 if (arg_action != ACTION_HALT)
8529 arg_action = ACTION_POWEROFF;
8530 break;
8531
8532 case 'k':
8533 arg_dry_run = true;
8534 break;
8535
8536 case ARG_NO_WALL:
8537 arg_no_wall = true;
8538 break;
8539
8540 case 'a':
8541 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8542 case 'f':
8543 case 'F':
8544 /* Compatibility nops */
8545 break;
8546
8547 case 'c':
8548 arg_action = ACTION_CANCEL_SHUTDOWN;
8549 break;
8550
8551 case '?':
8552 return -EINVAL;
8553
8554 default:
8555 assert_not_reached("Unhandled option");
8556 }
8557
8558 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8559 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8560 if (r < 0) {
8561 log_error("Failed to parse time specification: %s", argv[optind]);
8562 return r;
8563 }
8564 } else
8565 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8566
8567 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8568 /* No time argument for shutdown cancel */
8569 wall = argv + optind;
8570 else if (argc > optind + 1)
8571 /* We skip the time argument */
8572 wall = argv + optind + 1;
8573
8574 if (wall) {
8575 arg_wall = strv_copy(wall);
8576 if (!arg_wall)
8577 return log_oom();
8578 }
8579
8580 optind = argc;
8581
8582 return 1;
8583 }
8584
8585 static int telinit_parse_argv(int argc, char *argv[]) {
8586 enum {
8587 ARG_HELP = 0x100,
8588 ARG_NO_WALL
8589 };
8590
8591 static const struct option options[] = {
8592 { "help", no_argument, NULL, ARG_HELP },
8593 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8594 {}
8595 };
8596
8597 static const struct {
8598 char from;
8599 enum action to;
8600 } table[] = {
8601 { '0', ACTION_POWEROFF },
8602 { '6', ACTION_REBOOT },
8603 { '1', ACTION_RESCUE },
8604 { '2', ACTION_RUNLEVEL2 },
8605 { '3', ACTION_RUNLEVEL3 },
8606 { '4', ACTION_RUNLEVEL4 },
8607 { '5', ACTION_RUNLEVEL5 },
8608 { 's', ACTION_RESCUE },
8609 { 'S', ACTION_RESCUE },
8610 { 'q', ACTION_RELOAD },
8611 { 'Q', ACTION_RELOAD },
8612 { 'u', ACTION_REEXEC },
8613 { 'U', ACTION_REEXEC }
8614 };
8615
8616 unsigned i;
8617 int c;
8618
8619 assert(argc >= 0);
8620 assert(argv);
8621
8622 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8623 switch (c) {
8624
8625 case ARG_HELP:
8626 return telinit_help();
8627
8628 case ARG_NO_WALL:
8629 arg_no_wall = true;
8630 break;
8631
8632 case '?':
8633 return -EINVAL;
8634
8635 default:
8636 assert_not_reached("Unhandled option");
8637 }
8638
8639 if (optind >= argc)
8640 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8641 "%s: required argument missing.",
8642 program_invocation_short_name);
8643
8644 if (optind + 1 < argc)
8645 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8646 "Too many arguments.");
8647
8648 if (strlen(argv[optind]) != 1)
8649 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8650 "Expected single character argument.");
8651
8652 for (i = 0; i < ELEMENTSOF(table); i++)
8653 if (table[i].from == argv[optind][0])
8654 break;
8655
8656 if (i >= ELEMENTSOF(table))
8657 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8658 "Unknown command '%s'.", argv[optind]);
8659
8660 arg_action = table[i].to;
8661
8662 optind++;
8663
8664 return 1;
8665 }
8666
8667 static int runlevel_parse_argv(int argc, char *argv[]) {
8668 enum {
8669 ARG_HELP = 0x100,
8670 };
8671
8672 static const struct option options[] = {
8673 { "help", no_argument, NULL, ARG_HELP },
8674 {}
8675 };
8676
8677 int c;
8678
8679 assert(argc >= 0);
8680 assert(argv);
8681
8682 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8683 switch (c) {
8684
8685 case ARG_HELP:
8686 return runlevel_help();
8687
8688 case '?':
8689 return -EINVAL;
8690
8691 default:
8692 assert_not_reached("Unhandled option");
8693 }
8694
8695 if (optind < argc)
8696 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8697 "Too many arguments.");
8698
8699 return 1;
8700 }
8701
8702 static int parse_argv(int argc, char *argv[]) {
8703 assert(argc >= 0);
8704 assert(argv);
8705
8706 if (program_invocation_short_name) {
8707
8708 if (strstr(program_invocation_short_name, "halt")) {
8709 arg_action = ACTION_HALT;
8710 return halt_parse_argv(argc, argv);
8711
8712 } else if (strstr(program_invocation_short_name, "poweroff")) {
8713 arg_action = ACTION_POWEROFF;
8714 return halt_parse_argv(argc, argv);
8715
8716 } else if (strstr(program_invocation_short_name, "reboot")) {
8717 if (kexec_loaded())
8718 arg_action = ACTION_KEXEC;
8719 else
8720 arg_action = ACTION_REBOOT;
8721 return halt_parse_argv(argc, argv);
8722
8723 } else if (strstr(program_invocation_short_name, "shutdown")) {
8724 arg_action = ACTION_POWEROFF;
8725 return shutdown_parse_argv(argc, argv);
8726
8727 } else if (strstr(program_invocation_short_name, "init")) {
8728
8729 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8730 * 1 on SysV.
8731 *
8732 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8733 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8734 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8735 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8736 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8737 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8738 * quick way to match both.
8739 *
8740 * Also see redirect_telinit() in src/core/main.c. */
8741
8742 if (sd_booted() > 0) {
8743 arg_action = _ACTION_INVALID;
8744 return telinit_parse_argv(argc, argv);
8745 } else {
8746 /* Hmm, so some other init system is running, we need to forward this request to
8747 * it. For now we simply guess that it is Upstart. */
8748
8749 (void) rlimit_nofile_safe();
8750 execv(TELINIT, argv);
8751
8752 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8753 "Couldn't find an alternative telinit implementation to spawn.");
8754 }
8755
8756 } else if (strstr(program_invocation_short_name, "runlevel")) {
8757 arg_action = ACTION_RUNLEVEL;
8758 return runlevel_parse_argv(argc, argv);
8759 }
8760 }
8761
8762 arg_action = ACTION_SYSTEMCTL;
8763 return systemctl_parse_argv(argc, argv);
8764 }
8765
8766 #if HAVE_SYSV_COMPAT
8767 _pure_ static int action_to_runlevel(void) {
8768 static const char table[_ACTION_MAX] = {
8769 [ACTION_HALT] = '0',
8770 [ACTION_POWEROFF] = '0',
8771 [ACTION_REBOOT] = '6',
8772 [ACTION_RUNLEVEL2] = '2',
8773 [ACTION_RUNLEVEL3] = '3',
8774 [ACTION_RUNLEVEL4] = '4',
8775 [ACTION_RUNLEVEL5] = '5',
8776 [ACTION_RESCUE] = '1'
8777 };
8778
8779 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8780
8781 return table[arg_action];
8782 }
8783 #endif
8784
8785 static int talk_initctl(void) {
8786 #if HAVE_SYSV_COMPAT
8787 struct init_request request = {
8788 .magic = INIT_MAGIC,
8789 .sleeptime = 0,
8790 .cmd = INIT_CMD_RUNLVL
8791 };
8792
8793 _cleanup_close_ int fd = -1;
8794 char rl;
8795 int r;
8796 const char *p;
8797
8798 rl = action_to_runlevel();
8799 if (!rl)
8800 return 0;
8801
8802 request.runlevel = rl;
8803
8804 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8805 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8806 if (fd >= 0 || errno != ENOENT)
8807 break;
8808 }
8809 if (fd < 0) {
8810 if (errno == ENOENT)
8811 return 0;
8812
8813 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8814 }
8815
8816 r = loop_write(fd, &request, sizeof(request), false);
8817 if (r < 0)
8818 return log_error_errno(r, "Failed to write to %s: %m", p);
8819
8820 return 1;
8821 #else
8822 return 0;
8823 #endif
8824 }
8825
8826 static int systemctl_main(int argc, char *argv[]) {
8827 static const Verb verbs[] = {
8828 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8829 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8830 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8831 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8832 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8833 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8834 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8835 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8836 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8837 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8838 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8839 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8840 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8841 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8842 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8843 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8844 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8845 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8846 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8847 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8848 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8849 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8850 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8851 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8852 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8853 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8854 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8855 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8856 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8857 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8858 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8859 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8860 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8861 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8862 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8863 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8864 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8865 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8866 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8867 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8868 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8869 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8870 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8871 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8872 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8873 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8874 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8875 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8876 { "enable", 2, VERB_ANY, 0, enable_unit },
8877 { "disable", 2, VERB_ANY, 0, enable_unit },
8878 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8879 { "reenable", 2, VERB_ANY, 0, enable_unit },
8880 { "preset", 2, VERB_ANY, 0, enable_unit },
8881 { "preset-all", VERB_ANY, 1, 0, preset_all },
8882 { "mask", 2, VERB_ANY, 0, enable_unit },
8883 { "unmask", 2, VERB_ANY, 0, enable_unit },
8884 { "link", 2, VERB_ANY, 0, enable_unit },
8885 { "revert", 2, VERB_ANY, 0, enable_unit },
8886 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8887 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8888 { "set-default", 2, 2, 0, set_default },
8889 { "get-default", VERB_ANY, 1, 0, get_default },
8890 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8891 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8892 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8893 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8894 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8895 {}
8896 };
8897
8898 return dispatch_verb(argc, argv, verbs, NULL);
8899 }
8900
8901 static int reload_with_fallback(void) {
8902 /* First, try systemd via D-Bus. */
8903 if (daemon_reload(0, NULL, NULL) >= 0)
8904 return 0;
8905
8906 /* Nothing else worked, so let's try signals */
8907 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8908
8909 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8910 return log_error_errno(errno, "kill() failed: %m");
8911
8912 return 0;
8913 }
8914
8915 static int start_with_fallback(void) {
8916 /* First, try systemd via D-Bus. */
8917 if (start_unit(0, NULL, NULL) >= 0)
8918 return 0;
8919
8920 /* Nothing else worked, so let's try /dev/initctl */
8921 if (talk_initctl() > 0)
8922 return 0;
8923
8924 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8925 "Failed to talk to init daemon.");
8926 }
8927
8928 static int halt_now(enum action a) {
8929 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8930 * synced explicitly in advance. */
8931 if (!arg_no_sync && !arg_dry_run)
8932 (void) sync();
8933
8934 /* Make sure C-A-D is handled by the kernel from this point on... */
8935 if (!arg_dry_run)
8936 (void) reboot(RB_ENABLE_CAD);
8937
8938 switch (a) {
8939
8940 case ACTION_HALT:
8941 if (!arg_quiet)
8942 log_info("Halting.");
8943 if (arg_dry_run)
8944 return 0;
8945 (void) reboot(RB_HALT_SYSTEM);
8946 return -errno;
8947
8948 case ACTION_POWEROFF:
8949 if (!arg_quiet)
8950 log_info("Powering off.");
8951 if (arg_dry_run)
8952 return 0;
8953 (void) reboot(RB_POWER_OFF);
8954 return -errno;
8955
8956 case ACTION_KEXEC:
8957 case ACTION_REBOOT:
8958 return reboot_with_parameter(REBOOT_FALLBACK |
8959 (arg_quiet ? 0 : REBOOT_LOG) |
8960 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8961
8962 default:
8963 assert_not_reached("Unknown action.");
8964 }
8965 }
8966
8967 static int logind_schedule_shutdown(void) {
8968
8969 #if ENABLE_LOGIND
8970 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8971 char date[FORMAT_TIMESTAMP_MAX];
8972 const char *action;
8973 sd_bus *bus;
8974 int r;
8975
8976 r = acquire_bus(BUS_FULL, &bus);
8977 if (r < 0)
8978 return r;
8979
8980 switch (arg_action) {
8981 case ACTION_HALT:
8982 action = "halt";
8983 break;
8984 case ACTION_POWEROFF:
8985 action = "poweroff";
8986 break;
8987 case ACTION_KEXEC:
8988 action = "kexec";
8989 break;
8990 case ACTION_EXIT:
8991 action = "exit";
8992 break;
8993 case ACTION_REBOOT:
8994 default:
8995 action = "reboot";
8996 break;
8997 }
8998
8999 if (arg_dry_run)
9000 action = strjoina("dry-", action);
9001
9002 (void) logind_set_wall_message();
9003
9004 r = sd_bus_call_method(
9005 bus,
9006 "org.freedesktop.login1",
9007 "/org/freedesktop/login1",
9008 "org.freedesktop.login1.Manager",
9009 "ScheduleShutdown",
9010 &error,
9011 NULL,
9012 "st",
9013 action,
9014 arg_when);
9015 if (r < 0)
9016 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9017
9018 if (!arg_quiet)
9019 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9020 return 0;
9021 #else
9022 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9023 return -ENOSYS;
9024 #endif
9025 }
9026
9027 static int halt_main(void) {
9028 int r;
9029
9030 r = logind_check_inhibitors(arg_action);
9031 if (r < 0)
9032 return r;
9033
9034 /* Delayed shutdown requested, and was successful */
9035 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9036 return 0;
9037 /* no delay, or logind failed or is not at all available */
9038
9039 if (geteuid() != 0) {
9040 if (arg_dry_run || arg_force > 0) {
9041 (void) must_be_root();
9042 return -EPERM;
9043 }
9044
9045 /* Try logind if we are a normal user and no special
9046 * mode applies. Maybe polkit allows us to shutdown
9047 * the machine. */
9048 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9049 r = logind_reboot(arg_action);
9050 if (r >= 0)
9051 return r;
9052 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9053 /* requested operation is not
9054 * supported on the local system or
9055 * already in progress */
9056 return r;
9057 /* on all other errors, try low-level operation */
9058 }
9059 }
9060
9061 /* In order to minimize the difference between operation with and
9062 * without logind, we explicitly enable non-blocking mode for this,
9063 * as logind's shutdown operations are always non-blocking. */
9064 arg_no_block = true;
9065
9066 if (!arg_dry_run && !arg_force)
9067 return start_with_fallback();
9068
9069 assert(geteuid() == 0);
9070
9071 if (!arg_no_wtmp) {
9072 if (sd_booted() > 0)
9073 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9074 else {
9075 r = utmp_put_shutdown();
9076 if (r < 0)
9077 log_warning_errno(r, "Failed to write utmp record: %m");
9078 }
9079 }
9080
9081 if (arg_dry_run)
9082 return 0;
9083
9084 r = halt_now(arg_action);
9085 return log_error_errno(r, "Failed to reboot: %m");
9086 }
9087
9088 static int runlevel_main(void) {
9089 int r, runlevel, previous;
9090
9091 r = utmp_get_runlevel(&runlevel, &previous);
9092 if (r < 0) {
9093 puts("unknown");
9094 return r;
9095 }
9096
9097 printf("%c %c\n",
9098 previous <= 0 ? 'N' : previous,
9099 runlevel <= 0 ? 'N' : runlevel);
9100
9101 return 0;
9102 }
9103
9104 static int logind_cancel_shutdown(void) {
9105 #if ENABLE_LOGIND
9106 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9107 sd_bus *bus;
9108 int r;
9109
9110 r = acquire_bus(BUS_FULL, &bus);
9111 if (r < 0)
9112 return r;
9113
9114 (void) logind_set_wall_message();
9115
9116 r = sd_bus_call_method(
9117 bus,
9118 "org.freedesktop.login1",
9119 "/org/freedesktop/login1",
9120 "org.freedesktop.login1.Manager",
9121 "CancelScheduledShutdown",
9122 &error,
9123 NULL, NULL);
9124 if (r < 0)
9125 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9126
9127 return 0;
9128 #else
9129 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
9130 return -ENOSYS;
9131 #endif
9132 }
9133
9134 static int run(int argc, char *argv[]) {
9135 int r;
9136
9137 argv_cmdline = argv[0];
9138
9139 setlocale(LC_ALL, "");
9140 log_parse_environment();
9141 log_open();
9142
9143 /* The journal merging logic potentially needs a lot of fds. */
9144 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9145
9146 sigbus_install();
9147
9148 /* Explicitly not on_tty() to avoid setting cached value.
9149 * This becomes relevant for piping output which might be
9150 * ellipsized. */
9151 original_stdout_is_tty = isatty(STDOUT_FILENO);
9152
9153 r = parse_argv(argc, argv);
9154 if (r <= 0)
9155 goto finish;
9156
9157 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9158 if (!arg_quiet)
9159 log_info("Running in chroot, ignoring request.");
9160 r = 0;
9161 goto finish;
9162 }
9163
9164 /* systemctl_main() will print an error message for the bus
9165 * connection, but only if it needs to */
9166
9167 switch (arg_action) {
9168
9169 case ACTION_SYSTEMCTL:
9170 r = systemctl_main(argc, argv);
9171 break;
9172
9173 /* Legacy command aliases set arg_action. They provide some fallbacks,
9174 * e.g. to tell sysvinit to reboot after you have installed systemd
9175 * binaries. */
9176
9177 case ACTION_HALT:
9178 case ACTION_POWEROFF:
9179 case ACTION_REBOOT:
9180 case ACTION_KEXEC:
9181 r = halt_main();
9182 break;
9183
9184 case ACTION_RUNLEVEL2:
9185 case ACTION_RUNLEVEL3:
9186 case ACTION_RUNLEVEL4:
9187 case ACTION_RUNLEVEL5:
9188 case ACTION_RESCUE:
9189 r = start_with_fallback();
9190 break;
9191
9192 case ACTION_RELOAD:
9193 case ACTION_REEXEC:
9194 r = reload_with_fallback();
9195 break;
9196
9197 case ACTION_CANCEL_SHUTDOWN:
9198 r = logind_cancel_shutdown();
9199 break;
9200
9201 case ACTION_RUNLEVEL:
9202 r = runlevel_main();
9203 break;
9204
9205 case ACTION_EXIT:
9206 case ACTION_SUSPEND:
9207 case ACTION_HIBERNATE:
9208 case ACTION_HYBRID_SLEEP:
9209 case ACTION_SUSPEND_THEN_HIBERNATE:
9210 case ACTION_EMERGENCY:
9211 case ACTION_DEFAULT:
9212 /* systemctl verbs with no equivalent in the legacy commands.
9213 * These cannot appear in arg_action. Fall through. */
9214
9215 case _ACTION_INVALID:
9216 default:
9217 assert_not_reached("Unknown action");
9218 }
9219
9220 finish:
9221 release_busses();
9222
9223 strv_free(arg_types);
9224 strv_free(arg_states);
9225 strv_free(arg_properties);
9226
9227 strv_free(arg_wall);
9228 free(arg_root);
9229
9230 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9231 return r;
9232 }
9233
9234 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
Unnamed repository; edit this file 'description' to name the repository.