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