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[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/mount.h>
12 #include <sys/prctl.h>
13 #include <sys/reboot.h>
14 #include <sys/socket.h>
15 #include <unistd.h>
16
17 #include "sd-bus.h"
18 #include "sd-daemon.h"
19 #include "sd-event.h"
20 #include "sd-login.h"
21
22 #include "alloc-util.h"
23 #include "bootspec.h"
24 #include "bus-common-errors.h"
25 #include "bus-error.h"
26 #include "bus-message.h"
27 #include "bus-unit-procs.h"
28 #include "bus-unit-util.h"
29 #include "bus-util.h"
30 #include "bus-wait-for-jobs.h"
31 #include "bus-wait-for-units.h"
32 #include "cgroup-show.h"
33 #include "cgroup-util.h"
34 #include "copy.h"
35 #include "cpu-set-util.h"
36 #include "dropin.h"
37 #include "efivars.h"
38 #include "env-util.h"
39 #include "escape.h"
40 #include "exec-util.h"
41 #include "exit-status.h"
42 #include "fd-util.h"
43 #include "format-util.h"
44 #include "fs-util.h"
45 #include "glob-util.h"
46 #include "hexdecoct.h"
47 #include "hostname-util.h"
48 #include "in-addr-util.h"
49 #include "initreq.h"
50 #include "install.h"
51 #include "io-util.h"
52 #include "journal-util.h"
53 #include "list.h"
54 #include "locale-util.h"
55 #include "log.h"
56 #include "logs-show.h"
57 #include "macro.h"
58 #include "main-func.h"
59 #include "memory-util.h"
60 #include "mkdir.h"
61 #include "pager.h"
62 #include "parse-util.h"
63 #include "path-lookup.h"
64 #include "path-util.h"
65 #include "pretty-print.h"
66 #include "proc-cmdline.h"
67 #include "process-util.h"
68 #include "reboot-util.h"
69 #include "rlimit-util.h"
70 #include "set.h"
71 #include "sigbus.h"
72 #include "signal-util.h"
73 #include "socket-util.h"
74 #include "sort-util.h"
75 #include "spawn-ask-password-agent.h"
76 #include "spawn-polkit-agent.h"
77 #include "special.h"
78 #include "stat-util.h"
79 #include "string-table.h"
80 #include "strv.h"
81 #include "sysv-compat.h"
82 #include "terminal-util.h"
83 #include "tmpfile-util.h"
84 #include "unit-def.h"
85 #include "unit-name.h"
86 #include "user-util.h"
87 #include "utf8.h"
88 #include "utmp-wtmp.h"
89 #include "verbs.h"
90 #include "virt.h"
91
92 static char **arg_types = NULL;
93 static char **arg_states = NULL;
94 static char **arg_properties = NULL;
95 static bool arg_all = false;
96 static enum dependency {
97 DEPENDENCY_FORWARD,
98 DEPENDENCY_REVERSE,
99 DEPENDENCY_AFTER,
100 DEPENDENCY_BEFORE,
101 _DEPENDENCY_MAX
102 } arg_dependency = DEPENDENCY_FORWARD;
103 static const char *arg_job_mode = "replace";
104 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
105 static bool arg_wait = false;
106 static bool arg_no_block = false;
107 static bool arg_no_legend = false;
108 static PagerFlags arg_pager_flags = 0;
109 static bool arg_no_wtmp = false;
110 static bool arg_no_sync = false;
111 static bool arg_no_wall = false;
112 static bool arg_no_reload = false;
113 static bool arg_value = false;
114 static bool arg_show_types = false;
115 static bool arg_ignore_inhibitors = false;
116 static bool arg_dry_run = false;
117 static bool arg_quiet = false;
118 static bool arg_full = false;
119 static bool arg_recursive = false;
120 static bool arg_show_transaction = false;
121 static int arg_force = 0;
122 static bool arg_ask_password = false;
123 static bool arg_runtime = false;
124 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
125 static char **arg_wall = NULL;
126 static const char *arg_kill_who = NULL;
127 static int arg_signal = SIGTERM;
128 static char *arg_root = NULL;
129 static usec_t arg_when = 0;
130 static enum action {
131 ACTION_SYSTEMCTL,
132 ACTION_HALT,
133 ACTION_POWEROFF,
134 ACTION_REBOOT,
135 ACTION_KEXEC,
136 ACTION_EXIT,
137 ACTION_SUSPEND,
138 ACTION_HIBERNATE,
139 ACTION_HYBRID_SLEEP,
140 ACTION_SUSPEND_THEN_HIBERNATE,
141 ACTION_RUNLEVEL2,
142 ACTION_RUNLEVEL3,
143 ACTION_RUNLEVEL4,
144 ACTION_RUNLEVEL5,
145 ACTION_RESCUE,
146 ACTION_EMERGENCY,
147 ACTION_DEFAULT,
148 ACTION_RELOAD,
149 ACTION_REEXEC,
150 ACTION_RUNLEVEL,
151 ACTION_CANCEL_SHUTDOWN,
152 _ACTION_MAX,
153 _ACTION_INVALID = -1
154 } arg_action = ACTION_SYSTEMCTL;
155 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
156 static const char *arg_host = NULL;
157 static unsigned arg_lines = 10;
158 static OutputMode arg_output = OUTPUT_SHORT;
159 static bool arg_plain = false;
160 static bool arg_firmware_setup = false;
161 static usec_t arg_boot_loader_menu = USEC_INFINITY;
162 static const char *arg_boot_loader_entry = NULL;
163 static bool arg_now = false;
164 static bool arg_jobs_before = false;
165 static bool arg_jobs_after = false;
166 static char **arg_clean_what = NULL;
167
168 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
169 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
170 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
171 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
172 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
173 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
174
175 static int daemon_reload(int argc, char *argv[], void* userdata);
176 static int trivial_method(int argc, char *argv[], void *userdata);
177 static int halt_now(enum action a);
178 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
179
180 static bool original_stdout_is_tty;
181
182 typedef enum BusFocus {
183 BUS_FULL, /* The full bus indicated via --system or --user */
184 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
185 _BUS_FOCUS_MAX
186 } BusFocus;
187
188 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
189
190 static UnitFileFlags args_to_flags(void) {
191 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
192 (arg_force ? UNIT_FILE_FORCE : 0);
193 }
194
195 static int acquire_bus(BusFocus focus, sd_bus **ret) {
196 int r;
197
198 assert(focus < _BUS_FOCUS_MAX);
199 assert(ret);
200
201 /* We only go directly to the manager, if we are using a local transport */
202 if (arg_transport != BUS_TRANSPORT_LOCAL)
203 focus = BUS_FULL;
204
205 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
206 focus = BUS_FULL;
207
208 if (!buses[focus]) {
209 bool user;
210
211 user = arg_scope != UNIT_FILE_SYSTEM;
212
213 if (focus == BUS_MANAGER)
214 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
215 else
216 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
217 if (r < 0)
218 return log_error_errno(r, "Failed to connect to bus: %m");
219
220 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
221 }
222
223 *ret = buses[focus];
224 return 0;
225 }
226
227 static void release_busses(void) {
228 BusFocus w;
229
230 for (w = 0; w < _BUS_FOCUS_MAX; w++)
231 buses[w] = sd_bus_flush_close_unref(buses[w]);
232 }
233
234 static void ask_password_agent_open_if_enabled(void) {
235 /* Open the password agent as a child process if necessary */
236
237 if (arg_dry_run)
238 return;
239
240 if (!arg_ask_password)
241 return;
242
243 if (arg_scope != UNIT_FILE_SYSTEM)
244 return;
245
246 if (arg_transport != BUS_TRANSPORT_LOCAL)
247 return;
248
249 ask_password_agent_open();
250 }
251
252 static void polkit_agent_open_maybe(void) {
253 /* Open the polkit agent as a child process if necessary */
254
255 if (arg_scope != UNIT_FILE_SYSTEM)
256 return;
257
258 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
259 }
260
261 static OutputFlags get_output_flags(void) {
262 return
263 arg_all * OUTPUT_SHOW_ALL |
264 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
265 colors_enabled() * OUTPUT_COLOR |
266 !arg_quiet * OUTPUT_WARN_CUTOFF;
267 }
268
269 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
270 assert(error);
271
272 if (!sd_bus_error_is_set(error))
273 return r;
274
275 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
276 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
277 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
278 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
279 return EXIT_NOPERMISSION;
280
281 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
282 return EXIT_NOTINSTALLED;
283
284 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
285 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
286 return EXIT_NOTIMPLEMENTED;
287
288 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
289 return EXIT_NOTCONFIGURED;
290
291 if (r != 0)
292 return r;
293
294 return EXIT_FAILURE;
295 }
296
297 static bool install_client_side(void) {
298 /* Decides when to execute enable/disable/... operations
299 * client-side rather than server-side. */
300
301 if (running_in_chroot_or_offline())
302 return true;
303
304 if (sd_booted() <= 0)
305 return true;
306
307 if (!isempty(arg_root))
308 return true;
309
310 if (arg_scope == UNIT_FILE_GLOBAL)
311 return true;
312
313 /* Unsupported environment variable, mostly for debugging purposes */
314 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
315 return true;
316
317 return false;
318 }
319
320 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
321 const char *d1, *d2;
322 int r;
323
324 /* First, order by machine */
325 if (!a->machine && b->machine)
326 return -1;
327 if (a->machine && !b->machine)
328 return 1;
329 if (a->machine && b->machine) {
330 r = strcasecmp(a->machine, b->machine);
331 if (r != 0)
332 return r;
333 }
334
335 /* Second, order by unit type */
336 d1 = strrchr(a->id, '.');
337 d2 = strrchr(b->id, '.');
338 if (d1 && d2) {
339 r = strcasecmp(d1, d2);
340 if (r != 0)
341 return r;
342 }
343
344 /* Third, order by name */
345 return strcasecmp(a->id, b->id);
346 }
347
348 static const char* unit_type_suffix(const char *name) {
349 const char *dot;
350
351 dot = strrchr(name, '.');
352 if (!dot)
353 return "";
354
355 return dot + 1;
356 }
357
358 static bool output_show_unit(const UnitInfo *u, char **patterns) {
359 assert(u);
360
361 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
362 return false;
363
364 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
365 return false;
366
367 if (arg_all)
368 return true;
369
370 /* Note that '--all' is not purely a state filter, but also a
371 * filter that hides units that "follow" other units (which is
372 * used for device units that appear under different names). */
373 if (!isempty(u->following))
374 return false;
375
376 if (!strv_isempty(arg_states))
377 return true;
378
379 /* By default show all units except the ones in inactive
380 * state and with no pending job */
381 if (u->job_id > 0)
382 return true;
383
384 if (streq(u->active_state, "inactive"))
385 return false;
386
387 return true;
388 }
389
390 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
391 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
392 const UnitInfo *u;
393 unsigned n_shown = 0;
394 int job_count = 0;
395 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
396
397 max_id_len = STRLEN("UNIT");
398 load_len = STRLEN("LOAD");
399 active_len = STRLEN("ACTIVE");
400 sub_len = STRLEN("SUB");
401 job_len = STRLEN("JOB");
402 max_desc_len = STRLEN("DESCRIPTION");
403
404 for (u = unit_infos; u < unit_infos + c; u++) {
405 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
406 load_len = MAX(load_len, strlen(u->load_state));
407 active_len = MAX(active_len, strlen(u->active_state));
408 sub_len = MAX(sub_len, strlen(u->sub_state));
409 max_desc_len = MAX(max_desc_len, strlen(u->description));
410
411 if (u->job_id != 0) {
412 job_len = MAX(job_len, strlen(u->job_type));
413 job_count++;
414 }
415
416 if (!arg_no_legend &&
417 (streq(u->active_state, "failed") ||
418 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
419 circle_len = 2;
420 }
421
422 if (!arg_full && original_stdout_is_tty) {
423 unsigned basic_len;
424
425 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
426 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
427
428 if (job_count)
429 basic_len += job_len + 1;
430
431 if (basic_len < (unsigned) columns()) {
432 unsigned extra_len, incr;
433 extra_len = columns() - basic_len;
434
435 /* Either UNIT already got 25, or is fully satisfied.
436 * Grant up to 25 to DESC now. */
437 incr = MIN(extra_len, 25u);
438 desc_len = incr;
439 extra_len -= incr;
440
441 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
442 * description but not more than it needs. */
443 if (extra_len > 0) {
444 incr = MIN(max_id_len - id_len, extra_len);
445 id_len += incr;
446 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
447 }
448 } else
449 desc_len = 0;
450 } else {
451 id_len = max_id_len;
452 desc_len = max_desc_len;
453 }
454
455 for (u = unit_infos; u < unit_infos + c; u++) {
456 _cleanup_free_ char *e = NULL, *j = NULL;
457 const char *on_underline = "", *off_underline = "";
458 const char *on_loaded = "", *off_loaded = "";
459 const char *on_active = "", *off_active = "";
460 const char *on_circle = "", *off_circle = "";
461 const char *id;
462 bool circle = false, underline = false;
463
464 if (!n_shown && !arg_no_legend) {
465
466 if (circle_len > 0)
467 fputs(" ", stdout);
468
469 printf("%s%-*s %-*s %-*s %-*s ",
470 ansi_underline(),
471 id_len, "UNIT",
472 load_len, "LOAD",
473 active_len, "ACTIVE",
474 sub_len, "SUB");
475
476 if (job_count)
477 printf("%-*s ", job_len, "JOB");
478
479 printf("%-*.*s%s\n",
480 desc_len,
481 full ? -1 : (int) desc_len,
482 "DESCRIPTION",
483 ansi_normal());
484 }
485
486 n_shown++;
487
488 if (u + 1 < unit_infos + c &&
489 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
490 on_underline = ansi_underline();
491 off_underline = ansi_normal();
492 underline = true;
493 }
494
495 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
496 on_circle = ansi_highlight_yellow();
497 off_circle = ansi_normal();
498 circle = true;
499 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
500 off_loaded = underline ? on_underline : ansi_normal();
501 } else if (streq(u->active_state, "failed") && !arg_plain) {
502 on_circle = ansi_highlight_red();
503 off_circle = ansi_normal();
504 circle = true;
505 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
506 off_active = underline ? on_underline : ansi_normal();
507 }
508
509 if (u->machine) {
510 j = strjoin(u->machine, ":", u->id);
511 if (!j)
512 return log_oom();
513
514 id = j;
515 } else
516 id = u->id;
517
518 if (arg_full) {
519 e = ellipsize(id, id_len, 33);
520 if (!e)
521 return log_oom();
522
523 id = e;
524 }
525
526 if (circle_len > 0)
527 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
528
529 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
530 on_underline,
531 on_active, id_len, id, off_active,
532 on_loaded, load_len, u->load_state, off_loaded,
533 on_active, active_len, u->active_state,
534 sub_len, u->sub_state, off_active,
535 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
536
537 printf("%-*.*s%s\n",
538 desc_len,
539 full ? -1 : (int) desc_len,
540 u->description,
541 off_underline);
542 }
543
544 if (!arg_no_legend) {
545 const char *on, *off;
546
547 if (n_shown) {
548 puts("\n"
549 "LOAD = Reflects whether the unit definition was properly loaded.\n"
550 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
551 "SUB = The low-level unit activation state, values depend on unit type.");
552 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
553 on = ansi_highlight();
554 off = ansi_normal();
555 } else {
556 on = ansi_highlight_red();
557 off = ansi_normal();
558 }
559
560 if (arg_all || strv_contains(arg_states, "inactive"))
561 printf("%s%u loaded units listed.%s\n"
562 "To show all installed unit files use 'systemctl list-unit-files'.\n",
563 on, n_shown, off);
564 else if (!arg_states)
565 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
566 "To show all installed unit files use 'systemctl list-unit-files'.\n",
567 on, n_shown, off);
568 else
569 printf("%u loaded units listed.\n", n_shown);
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 *_replies = TAKE_PTR(replies);
740
741 return c;
742 }
743
744 static int list_units(int argc, char *argv[], void *userdata) {
745 _cleanup_free_ UnitInfo *unit_infos = NULL;
746 _cleanup_(message_set_freep) Set *replies = NULL;
747 _cleanup_strv_free_ char **machines = NULL;
748 sd_bus *bus;
749 int r;
750
751 r = acquire_bus(BUS_MANAGER, &bus);
752 if (r < 0)
753 return r;
754
755 (void) pager_open(arg_pager_flags);
756
757 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
758 if (r < 0)
759 return r;
760
761 typesafe_qsort(unit_infos, r, compare_unit_info);
762 return output_units_list(unit_infos, r);
763 }
764
765 static int get_triggered_units(
766 sd_bus *bus,
767 const char* path,
768 char*** ret) {
769
770 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
771 int r;
772
773 assert(bus);
774 assert(path);
775 assert(ret);
776
777 r = sd_bus_get_property_strv(
778 bus,
779 "org.freedesktop.systemd1",
780 path,
781 "org.freedesktop.systemd1.Unit",
782 "Triggers",
783 &error,
784 ret);
785 if (r < 0)
786 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
787
788 return 0;
789 }
790
791 static int get_listening(
792 sd_bus *bus,
793 const char* unit_path,
794 char*** listening) {
795
796 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
797 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
798 const char *type, *path;
799 int r, n = 0;
800
801 r = sd_bus_get_property(
802 bus,
803 "org.freedesktop.systemd1",
804 unit_path,
805 "org.freedesktop.systemd1.Socket",
806 "Listen",
807 &error,
808 &reply,
809 "a(ss)");
810 if (r < 0)
811 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
812
813 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
814 if (r < 0)
815 return bus_log_parse_error(r);
816
817 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
818
819 r = strv_extend(listening, type);
820 if (r < 0)
821 return log_oom();
822
823 r = strv_extend(listening, path);
824 if (r < 0)
825 return log_oom();
826
827 n++;
828 }
829 if (r < 0)
830 return bus_log_parse_error(r);
831
832 r = sd_bus_message_exit_container(reply);
833 if (r < 0)
834 return bus_log_parse_error(r);
835
836 return n;
837 }
838
839 struct socket_info {
840 const char *machine;
841 const char* id;
842
843 char* type;
844 char* path;
845
846 /* Note: triggered is a list here, although it almost certainly
847 * will always be one unit. Nevertheless, dbus API allows for multiple
848 * values, so let's follow that. */
849 char** triggered;
850
851 /* The strv above is shared. free is set only in the first one. */
852 bool own_triggered;
853 };
854
855 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
856 int r;
857
858 assert(a);
859 assert(b);
860
861 if (!a->machine && b->machine)
862 return -1;
863 if (a->machine && !b->machine)
864 return 1;
865 if (a->machine && b->machine) {
866 r = strcasecmp(a->machine, b->machine);
867 if (r != 0)
868 return r;
869 }
870
871 r = strcmp(a->path, b->path);
872 if (r == 0)
873 r = strcmp(a->type, b->type);
874
875 return r;
876 }
877
878 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
879 struct socket_info *s;
880 unsigned pathlen = STRLEN("LISTEN"),
881 typelen = STRLEN("TYPE") * arg_show_types,
882 socklen = STRLEN("UNIT"),
883 servlen = STRLEN("ACTIVATES");
884 const char *on, *off;
885
886 for (s = socket_infos; s < socket_infos + cs; s++) {
887 unsigned tmp = 0;
888 char **a;
889
890 socklen = MAX(socklen, strlen(s->id));
891 if (arg_show_types)
892 typelen = MAX(typelen, strlen(s->type));
893 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
894
895 STRV_FOREACH(a, s->triggered)
896 tmp += strlen(*a) + 2*(a != s->triggered);
897 servlen = MAX(servlen, tmp);
898 }
899
900 if (cs) {
901 if (!arg_no_legend)
902 printf("%-*s %-*.*s%-*s %s\n",
903 pathlen, "LISTEN",
904 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
905 socklen, "UNIT",
906 "ACTIVATES");
907
908 for (s = socket_infos; s < socket_infos + cs; s++) {
909 _cleanup_free_ char *j = NULL;
910 const char *path;
911 char **a;
912
913 if (s->machine) {
914 j = strjoin(s->machine, ":", s->path);
915 if (!j)
916 return log_oom();
917 path = j;
918 } else
919 path = s->path;
920
921 if (arg_show_types)
922 printf("%-*s %-*s %-*s",
923 pathlen, path, typelen, s->type, socklen, s->id);
924 else
925 printf("%-*s %-*s",
926 pathlen, path, socklen, s->id);
927 STRV_FOREACH(a, s->triggered)
928 printf("%s %s",
929 a == s->triggered ? "" : ",", *a);
930 printf("\n");
931 }
932
933 on = ansi_highlight();
934 off = ansi_normal();
935 if (!arg_no_legend)
936 printf("\n");
937 } else {
938 on = ansi_highlight_red();
939 off = ansi_normal();
940 }
941
942 if (!arg_no_legend) {
943 printf("%s%u sockets listed.%s\n", on, cs, off);
944 if (!arg_all)
945 printf("Pass --all to see loaded but inactive sockets, too.\n");
946 }
947
948 return 0;
949 }
950
951 static int list_sockets(int argc, char *argv[], void *userdata) {
952 _cleanup_(message_set_freep) Set *replies = NULL;
953 _cleanup_strv_free_ char **machines = NULL;
954 _cleanup_free_ UnitInfo *unit_infos = NULL;
955 _cleanup_free_ struct socket_info *socket_infos = NULL;
956 const UnitInfo *u;
957 struct socket_info *s;
958 unsigned cs = 0;
959 size_t size = 0;
960 int r = 0, n;
961 sd_bus *bus;
962
963 r = acquire_bus(BUS_MANAGER, &bus);
964 if (r < 0)
965 return r;
966
967 (void) pager_open(arg_pager_flags);
968
969 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
970 if (n < 0)
971 return n;
972
973 for (u = unit_infos; u < unit_infos + n; u++) {
974 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
975 int i, c;
976
977 if (!endswith(u->id, ".socket"))
978 continue;
979
980 r = get_triggered_units(bus, u->unit_path, &triggered);
981 if (r < 0)
982 goto cleanup;
983
984 c = get_listening(bus, u->unit_path, &listening);
985 if (c < 0) {
986 r = c;
987 goto cleanup;
988 }
989
990 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
991 r = log_oom();
992 goto cleanup;
993 }
994
995 for (i = 0; i < c; i++)
996 socket_infos[cs + i] = (struct socket_info) {
997 .machine = u->machine,
998 .id = u->id,
999 .type = listening[i*2],
1000 .path = listening[i*2 + 1],
1001 .triggered = triggered,
1002 .own_triggered = i==0,
1003 };
1004
1005 /* from this point on we will cleanup those socket_infos */
1006 cs += c;
1007 free(listening);
1008 listening = triggered = NULL; /* avoid cleanup */
1009 }
1010
1011 typesafe_qsort(socket_infos, cs, socket_info_compare);
1012
1013 output_sockets_list(socket_infos, cs);
1014
1015 cleanup:
1016 assert(cs == 0 || socket_infos);
1017 for (s = socket_infos; s < socket_infos + cs; s++) {
1018 free(s->type);
1019 free(s->path);
1020 if (s->own_triggered)
1021 strv_free(s->triggered);
1022 }
1023
1024 return r;
1025 }
1026
1027 static int get_next_elapse(
1028 sd_bus *bus,
1029 const char *path,
1030 dual_timestamp *next) {
1031
1032 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1033 dual_timestamp t;
1034 int r;
1035
1036 assert(bus);
1037 assert(path);
1038 assert(next);
1039
1040 r = sd_bus_get_property_trivial(
1041 bus,
1042 "org.freedesktop.systemd1",
1043 path,
1044 "org.freedesktop.systemd1.Timer",
1045 "NextElapseUSecMonotonic",
1046 &error,
1047 't',
1048 &t.monotonic);
1049 if (r < 0)
1050 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1051
1052 r = sd_bus_get_property_trivial(
1053 bus,
1054 "org.freedesktop.systemd1",
1055 path,
1056 "org.freedesktop.systemd1.Timer",
1057 "NextElapseUSecRealtime",
1058 &error,
1059 't',
1060 &t.realtime);
1061 if (r < 0)
1062 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1063
1064 *next = t;
1065 return 0;
1066 }
1067
1068 static int get_last_trigger(
1069 sd_bus *bus,
1070 const char *path,
1071 usec_t *last) {
1072
1073 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1074 int r;
1075
1076 assert(bus);
1077 assert(path);
1078 assert(last);
1079
1080 r = sd_bus_get_property_trivial(
1081 bus,
1082 "org.freedesktop.systemd1",
1083 path,
1084 "org.freedesktop.systemd1.Timer",
1085 "LastTriggerUSec",
1086 &error,
1087 't',
1088 last);
1089 if (r < 0)
1090 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1091
1092 return 0;
1093 }
1094
1095 struct timer_info {
1096 const char* machine;
1097 const char* id;
1098 usec_t next_elapse;
1099 usec_t last_trigger;
1100 char** triggered;
1101 };
1102
1103 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1104 int r;
1105
1106 assert(a);
1107 assert(b);
1108
1109 if (!a->machine && b->machine)
1110 return -1;
1111 if (a->machine && !b->machine)
1112 return 1;
1113 if (a->machine && b->machine) {
1114 r = strcasecmp(a->machine, b->machine);
1115 if (r != 0)
1116 return r;
1117 }
1118
1119 r = CMP(a->next_elapse, b->next_elapse);
1120 if (r != 0)
1121 return r;
1122
1123 return strcmp(a->id, b->id);
1124 }
1125
1126 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1127 struct timer_info *t;
1128 unsigned
1129 nextlen = STRLEN("NEXT"),
1130 leftlen = STRLEN("LEFT"),
1131 lastlen = STRLEN("LAST"),
1132 passedlen = STRLEN("PASSED"),
1133 unitlen = STRLEN("UNIT"),
1134 activatelen = STRLEN("ACTIVATES");
1135
1136 const char *on, *off;
1137
1138 assert(timer_infos || n == 0);
1139
1140 for (t = timer_infos; t < timer_infos + n; t++) {
1141 unsigned ul = 0;
1142 char **a;
1143
1144 if (t->next_elapse > 0) {
1145 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1146
1147 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1148 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1149
1150 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1151 leftlen = MAX(leftlen, strlen(trel));
1152 }
1153
1154 if (t->last_trigger > 0) {
1155 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1156
1157 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1158 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1159
1160 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1161 passedlen = MAX(passedlen, strlen(trel));
1162 }
1163
1164 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1165
1166 STRV_FOREACH(a, t->triggered)
1167 ul += strlen(*a) + 2*(a != t->triggered);
1168
1169 activatelen = MAX(activatelen, ul);
1170 }
1171
1172 if (n > 0) {
1173 if (!arg_no_legend)
1174 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1175 nextlen, "NEXT",
1176 leftlen, "LEFT",
1177 lastlen, "LAST",
1178 passedlen, "PASSED",
1179 unitlen, "UNIT",
1180 "ACTIVATES");
1181
1182 for (t = timer_infos; t < timer_infos + n; t++) {
1183 _cleanup_free_ char *j = NULL;
1184 const char *unit;
1185 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1186 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1187 char **a;
1188
1189 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1190 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1191
1192 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1193 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1194
1195 if (t->machine) {
1196 j = strjoin(t->machine, ":", t->id);
1197 if (!j)
1198 return log_oom();
1199 unit = j;
1200 } else
1201 unit = t->id;
1202
1203 printf("%-*s %-*s %-*s %-*s %-*s",
1204 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1205
1206 STRV_FOREACH(a, t->triggered)
1207 printf("%s %s",
1208 a == t->triggered ? "" : ",", *a);
1209 printf("\n");
1210 }
1211
1212 on = ansi_highlight();
1213 off = ansi_normal();
1214 if (!arg_no_legend)
1215 printf("\n");
1216 } else {
1217 on = ansi_highlight_red();
1218 off = ansi_normal();
1219 }
1220
1221 if (!arg_no_legend) {
1222 printf("%s%u timers listed.%s\n", on, n, off);
1223 if (!arg_all)
1224 printf("Pass --all to see loaded but inactive timers, too.\n");
1225 }
1226
1227 return 0;
1228 }
1229
1230 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1231 usec_t next_elapse;
1232
1233 assert(nw);
1234 assert(next);
1235
1236 if (timestamp_is_set(next->monotonic)) {
1237 usec_t converted;
1238
1239 if (next->monotonic > nw->monotonic)
1240 converted = nw->realtime + (next->monotonic - nw->monotonic);
1241 else
1242 converted = nw->realtime - (nw->monotonic - next->monotonic);
1243
1244 if (timestamp_is_set(next->realtime))
1245 next_elapse = MIN(converted, next->realtime);
1246 else
1247 next_elapse = converted;
1248
1249 } else
1250 next_elapse = next->realtime;
1251
1252 return next_elapse;
1253 }
1254
1255 static int list_timers(int argc, char *argv[], void *userdata) {
1256 _cleanup_(message_set_freep) Set *replies = NULL;
1257 _cleanup_strv_free_ char **machines = NULL;
1258 _cleanup_free_ struct timer_info *timer_infos = NULL;
1259 _cleanup_free_ UnitInfo *unit_infos = NULL;
1260 struct timer_info *t;
1261 const UnitInfo *u;
1262 size_t size = 0;
1263 int n, c = 0;
1264 dual_timestamp nw;
1265 sd_bus *bus;
1266 int r = 0;
1267
1268 r = acquire_bus(BUS_MANAGER, &bus);
1269 if (r < 0)
1270 return r;
1271
1272 (void) pager_open(arg_pager_flags);
1273
1274 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1275 if (n < 0)
1276 return n;
1277
1278 dual_timestamp_get(&nw);
1279
1280 for (u = unit_infos; u < unit_infos + n; u++) {
1281 _cleanup_strv_free_ char **triggered = NULL;
1282 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1283 usec_t m, last = 0;
1284
1285 if (!endswith(u->id, ".timer"))
1286 continue;
1287
1288 r = get_triggered_units(bus, u->unit_path, &triggered);
1289 if (r < 0)
1290 goto cleanup;
1291
1292 r = get_next_elapse(bus, u->unit_path, &next);
1293 if (r < 0)
1294 goto cleanup;
1295
1296 get_last_trigger(bus, u->unit_path, &last);
1297
1298 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1299 r = log_oom();
1300 goto cleanup;
1301 }
1302
1303 m = calc_next_elapse(&nw, &next);
1304
1305 timer_infos[c++] = (struct timer_info) {
1306 .machine = u->machine,
1307 .id = u->id,
1308 .next_elapse = m,
1309 .last_trigger = last,
1310 .triggered = TAKE_PTR(triggered),
1311 };
1312 }
1313
1314 typesafe_qsort(timer_infos, c, timer_info_compare);
1315
1316 output_timers_list(timer_infos, c);
1317
1318 cleanup:
1319 for (t = timer_infos; t < timer_infos + c; t++)
1320 strv_free(t->triggered);
1321
1322 return r;
1323 }
1324
1325 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1326 const char *d1, *d2;
1327
1328 d1 = strrchr(a->path, '.');
1329 d2 = strrchr(b->path, '.');
1330
1331 if (d1 && d2) {
1332 int r;
1333
1334 r = strcasecmp(d1, d2);
1335 if (r != 0)
1336 return r;
1337 }
1338
1339 return strcasecmp(basename(a->path), basename(b->path));
1340 }
1341
1342 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1343 assert(u);
1344
1345 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1346 return false;
1347
1348 if (!strv_isempty(arg_types)) {
1349 const char *dot;
1350
1351 dot = strrchr(u->path, '.');
1352 if (!dot)
1353 return false;
1354
1355 if (!strv_find(arg_types, dot+1))
1356 return false;
1357 }
1358
1359 if (!strv_isempty(states) &&
1360 !strv_find(states, unit_file_state_to_string(u->state)))
1361 return false;
1362
1363 return true;
1364 }
1365
1366 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1367 unsigned max_id_len, id_cols, state_cols;
1368 const UnitFileList *u;
1369
1370 max_id_len = STRLEN("UNIT FILE");
1371 state_cols = STRLEN("STATE");
1372
1373 for (u = units; u < units + c; u++) {
1374 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1375 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1376 }
1377
1378 if (!arg_full) {
1379 unsigned basic_cols;
1380
1381 id_cols = MIN(max_id_len, 25u);
1382 basic_cols = 1 + id_cols + state_cols;
1383 if (basic_cols < (unsigned) columns())
1384 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1385 } else
1386 id_cols = max_id_len;
1387
1388 if (!arg_no_legend && c > 0)
1389 printf("%s%-*s %-*s%s\n",
1390 ansi_underline(),
1391 id_cols, "UNIT FILE",
1392 state_cols, "STATE",
1393 ansi_normal());
1394
1395 for (u = units; u < units + c; u++) {
1396 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1397 _cleanup_free_ char *e = NULL;
1398 bool underline;
1399
1400 underline = u + 1 < units + c &&
1401 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1402
1403 if (underline)
1404 on_underline = ansi_underline();
1405
1406 if (IN_SET(u->state,
1407 UNIT_FILE_MASKED,
1408 UNIT_FILE_MASKED_RUNTIME,
1409 UNIT_FILE_DISABLED,
1410 UNIT_FILE_BAD))
1411 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1412 else if (u->state == UNIT_FILE_ENABLED)
1413 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1414
1415 if (on_underline || on_color)
1416 off = ansi_normal();
1417
1418 id = basename(u->path);
1419
1420 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1421
1422 printf("%s%-*s %s%-*s%s\n",
1423 strempty(on_underline),
1424 id_cols, e ? e : id,
1425 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1426 }
1427
1428 if (!arg_no_legend)
1429 printf("\n%u unit files listed.\n", c);
1430 }
1431
1432 static int list_unit_files(int argc, char *argv[], void *userdata) {
1433 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1434 _cleanup_free_ UnitFileList *units = NULL;
1435 UnitFileList *unit;
1436 size_t size = 0;
1437 unsigned c = 0;
1438 const char *state;
1439 char *path;
1440 int r;
1441 bool fallback = false;
1442
1443 if (install_client_side()) {
1444 Hashmap *h;
1445 UnitFileList *u;
1446 Iterator i;
1447 unsigned n_units;
1448
1449 h = hashmap_new(&string_hash_ops);
1450 if (!h)
1451 return log_oom();
1452
1453 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1454 if (r < 0) {
1455 unit_file_list_free(h);
1456 return log_error_errno(r, "Failed to get unit file list: %m");
1457 }
1458
1459 n_units = hashmap_size(h);
1460
1461 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1462 if (!units) {
1463 unit_file_list_free(h);
1464 return log_oom();
1465 }
1466
1467 HASHMAP_FOREACH(u, h, i) {
1468 if (!output_show_unit_file(u, NULL, NULL))
1469 continue;
1470
1471 units[c++] = *u;
1472 free(u);
1473 }
1474
1475 assert(c <= n_units);
1476 hashmap_free(h);
1477
1478 r = 0;
1479 } else {
1480 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1481 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1482 sd_bus *bus;
1483
1484 r = acquire_bus(BUS_MANAGER, &bus);
1485 if (r < 0)
1486 return r;
1487
1488 r = sd_bus_message_new_method_call(
1489 bus,
1490 &m,
1491 "org.freedesktop.systemd1",
1492 "/org/freedesktop/systemd1",
1493 "org.freedesktop.systemd1.Manager",
1494 "ListUnitFilesByPatterns");
1495 if (r < 0)
1496 return bus_log_create_error(r);
1497
1498 r = sd_bus_message_append_strv(m, arg_states);
1499 if (r < 0)
1500 return bus_log_create_error(r);
1501
1502 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1503 if (r < 0)
1504 return bus_log_create_error(r);
1505
1506 r = sd_bus_call(bus, m, 0, &error, &reply);
1507 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1508 /* Fallback to legacy ListUnitFiles method */
1509 fallback = true;
1510 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1511 m = sd_bus_message_unref(m);
1512 sd_bus_error_free(&error);
1513
1514 r = sd_bus_message_new_method_call(
1515 bus,
1516 &m,
1517 "org.freedesktop.systemd1",
1518 "/org/freedesktop/systemd1",
1519 "org.freedesktop.systemd1.Manager",
1520 "ListUnitFiles");
1521 if (r < 0)
1522 return bus_log_create_error(r);
1523
1524 r = sd_bus_call(bus, m, 0, &error, &reply);
1525 }
1526 if (r < 0)
1527 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1528
1529 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1530 if (r < 0)
1531 return bus_log_parse_error(r);
1532
1533 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1534
1535 if (!GREEDY_REALLOC(units, size, c + 1))
1536 return log_oom();
1537
1538 units[c] = (struct UnitFileList) {
1539 path,
1540 unit_file_state_from_string(state)
1541 };
1542
1543 if (output_show_unit_file(&units[c],
1544 fallback ? arg_states : NULL,
1545 fallback ? strv_skip(argv, 1) : NULL))
1546 c++;
1547
1548 }
1549 if (r < 0)
1550 return bus_log_parse_error(r);
1551
1552 r = sd_bus_message_exit_container(reply);
1553 if (r < 0)
1554 return bus_log_parse_error(r);
1555 }
1556
1557 (void) pager_open(arg_pager_flags);
1558
1559 typesafe_qsort(units, c, compare_unit_file_list);
1560 output_unit_file_list(units, c);
1561
1562 if (install_client_side())
1563 for (unit = units; unit < units + c; unit++)
1564 free(unit->path);
1565
1566 return 0;
1567 }
1568
1569 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1570 _cleanup_free_ char *n = NULL;
1571 size_t max_len = MAX(columns(),20u);
1572 size_t len = 0;
1573 int i;
1574
1575 if (!arg_plain) {
1576
1577 for (i = level - 1; i >= 0; i--) {
1578 len += 2;
1579 if (len > max_len - 3 && !arg_full) {
1580 printf("%s...\n",max_len % 2 ? "" : " ");
1581 return 0;
1582 }
1583 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1584 }
1585 len += 2;
1586
1587 if (len > max_len - 3 && !arg_full) {
1588 printf("%s...\n",max_len % 2 ? "" : " ");
1589 return 0;
1590 }
1591
1592 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1593 }
1594
1595 if (arg_full) {
1596 printf("%s\n", name);
1597 return 0;
1598 }
1599
1600 n = ellipsize(name, max_len-len, 100);
1601 if (!n)
1602 return log_oom();
1603
1604 printf("%s\n", n);
1605 return 0;
1606 }
1607
1608 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1609 struct DependencyStatusInfo {
1610 char **dep[5];
1611 } info = {};
1612
1613 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1614 [DEPENDENCY_FORWARD] = {
1615 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1616 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1617 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1618 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1619 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1620 {}
1621 },
1622 [DEPENDENCY_REVERSE] = {
1623 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1624 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1625 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1626 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1627 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1628 {}
1629 },
1630 [DEPENDENCY_AFTER] = {
1631 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1632 {}
1633 },
1634 [DEPENDENCY_BEFORE] = {
1635 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1636 {}
1637 },
1638 };
1639
1640 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1641 _cleanup_strv_free_ char **ret = NULL;
1642 _cleanup_free_ char *dbus_path = NULL;
1643 int i, r;
1644
1645 assert(bus);
1646 assert(name);
1647 assert(deps);
1648
1649 dbus_path = unit_dbus_path_from_name(name);
1650 if (!dbus_path)
1651 return log_oom();
1652
1653 r = bus_map_all_properties(bus,
1654 "org.freedesktop.systemd1",
1655 dbus_path,
1656 map[arg_dependency],
1657 BUS_MAP_STRDUP,
1658 &error,
1659 NULL,
1660 &info);
1661 if (r < 0)
1662 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1663
1664 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1665 *deps = info.dep[0];
1666 return 0;
1667 }
1668
1669 for (i = 0; i < 5; i++) {
1670 r = strv_extend_strv(&ret, info.dep[i], true);
1671 if (r < 0)
1672 return log_oom();
1673 info.dep[i] = strv_free(info.dep[i]);
1674 }
1675
1676 *deps = TAKE_PTR(ret);
1677
1678 return 0;
1679 }
1680
1681 static int list_dependencies_compare(char * const *a, char * const *b) {
1682 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1683 return 1;
1684 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1685 return -1;
1686
1687 return strcasecmp(*a, *b);
1688 }
1689
1690 static int list_dependencies_one(
1691 sd_bus *bus,
1692 const char *name,
1693 int level,
1694 char ***units,
1695 unsigned branches) {
1696
1697 _cleanup_strv_free_ char **deps = NULL;
1698 char **c;
1699 int r = 0;
1700
1701 assert(bus);
1702 assert(name);
1703 assert(units);
1704
1705 r = strv_extend(units, name);
1706 if (r < 0)
1707 return log_oom();
1708
1709 r = list_dependencies_get_dependencies(bus, name, &deps);
1710 if (r < 0)
1711 return r;
1712
1713 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1714
1715 STRV_FOREACH(c, deps) {
1716 if (strv_contains(*units, *c)) {
1717 if (!arg_plain) {
1718 printf(" ");
1719 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1720 if (r < 0)
1721 return r;
1722 }
1723 continue;
1724 }
1725
1726 if (arg_plain)
1727 printf(" ");
1728 else {
1729 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1730 const char *on;
1731
1732 (void) get_state_one_unit(bus, *c, &active_state);
1733
1734 switch (active_state) {
1735 case UNIT_ACTIVE:
1736 case UNIT_RELOADING:
1737 case UNIT_ACTIVATING:
1738 on = ansi_highlight_green();
1739 break;
1740
1741 case UNIT_INACTIVE:
1742 case UNIT_DEACTIVATING:
1743 on = ansi_normal();
1744 break;
1745
1746 default:
1747 on = ansi_highlight_red();
1748 break;
1749 }
1750
1751 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1752 }
1753
1754 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1755 if (r < 0)
1756 return r;
1757
1758 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1759 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1760 if (r < 0)
1761 return r;
1762 }
1763 }
1764
1765 if (!arg_plain)
1766 strv_remove(*units, name);
1767
1768 return 0;
1769 }
1770
1771 static int list_dependencies(int argc, char *argv[], void *userdata) {
1772 _cleanup_strv_free_ char **units = NULL;
1773 _cleanup_free_ char *unit = NULL;
1774 const char *u;
1775 sd_bus *bus;
1776 int r;
1777
1778 if (argv[1]) {
1779 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1780 if (r < 0)
1781 return log_error_errno(r, "Failed to mangle unit name: %m");
1782
1783 u = unit;
1784 } else
1785 u = SPECIAL_DEFAULT_TARGET;
1786
1787 r = acquire_bus(BUS_MANAGER, &bus);
1788 if (r < 0)
1789 return r;
1790
1791 (void) pager_open(arg_pager_flags);
1792
1793 puts(u);
1794
1795 return list_dependencies_one(bus, u, 0, &units, 0);
1796 }
1797
1798 struct machine_info {
1799 bool is_host;
1800 char *name;
1801 char *state;
1802 char *control_group;
1803 uint32_t n_failed_units;
1804 uint32_t n_jobs;
1805 usec_t timestamp;
1806 };
1807
1808 static const struct bus_properties_map machine_info_property_map[] = {
1809 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1810 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1811 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1812 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1813 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1814 {}
1815 };
1816
1817 static void machine_info_clear(struct machine_info *info) {
1818 assert(info);
1819
1820 free(info->name);
1821 free(info->state);
1822 free(info->control_group);
1823 zero(*info);
1824 }
1825
1826 static void free_machines_list(struct machine_info *machine_infos, int n) {
1827 int i;
1828
1829 if (!machine_infos)
1830 return;
1831
1832 for (i = 0; i < n; i++)
1833 machine_info_clear(&machine_infos[i]);
1834
1835 free(machine_infos);
1836 }
1837
1838 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1839 int r;
1840
1841 r = CMP(b->is_host, a->is_host);
1842 if (r != 0)
1843 return r;
1844
1845 return strcasecmp(a->name, b->name);
1846 }
1847
1848 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1849 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1850 int r;
1851
1852 assert(mi);
1853
1854 if (!bus) {
1855 r = sd_bus_open_system_machine(&container, mi->name);
1856 if (r < 0)
1857 return r;
1858
1859 bus = container;
1860 }
1861
1862 r = bus_map_all_properties(
1863 bus,
1864 "org.freedesktop.systemd1",
1865 "/org/freedesktop/systemd1",
1866 machine_info_property_map,
1867 BUS_MAP_STRDUP,
1868 NULL,
1869 NULL,
1870 mi);
1871 if (r < 0)
1872 return r;
1873
1874 return 0;
1875 }
1876
1877 static bool output_show_machine(const char *name, char **patterns) {
1878 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1879 }
1880
1881 static int get_machine_list(
1882 sd_bus *bus,
1883 struct machine_info **_machine_infos,
1884 char **patterns) {
1885
1886 struct machine_info *machine_infos = NULL;
1887 _cleanup_strv_free_ char **m = NULL;
1888 _cleanup_free_ char *hn = NULL;
1889 size_t sz = 0;
1890 char **i;
1891 int c = 0, r;
1892
1893 hn = gethostname_malloc();
1894 if (!hn)
1895 return log_oom();
1896
1897 if (output_show_machine(hn, patterns)) {
1898 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1899 return log_oom();
1900
1901 machine_infos[c].is_host = true;
1902 machine_infos[c].name = TAKE_PTR(hn);
1903
1904 (void) get_machine_properties(bus, &machine_infos[c]);
1905 c++;
1906 }
1907
1908 r = sd_get_machine_names(&m);
1909 if (r < 0)
1910 return log_error_errno(r, "Failed to get machine list: %m");
1911
1912 STRV_FOREACH(i, m) {
1913 _cleanup_free_ char *class = NULL;
1914
1915 if (!output_show_machine(*i, patterns))
1916 continue;
1917
1918 sd_machine_get_class(*i, &class);
1919 if (!streq_ptr(class, "container"))
1920 continue;
1921
1922 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1923 free_machines_list(machine_infos, c);
1924 return log_oom();
1925 }
1926
1927 machine_infos[c].is_host = false;
1928 machine_infos[c].name = strdup(*i);
1929 if (!machine_infos[c].name) {
1930 free_machines_list(machine_infos, c);
1931 return log_oom();
1932 }
1933
1934 (void) get_machine_properties(NULL, &machine_infos[c]);
1935 c++;
1936 }
1937
1938 *_machine_infos = machine_infos;
1939 return c;
1940 }
1941
1942 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1943 struct machine_info *m;
1944 unsigned
1945 circle_len = 0,
1946 namelen = STRLEN("NAME"),
1947 statelen = STRLEN("STATE"),
1948 failedlen = STRLEN("FAILED"),
1949 jobslen = STRLEN("JOBS");
1950 bool state_missing = false;
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 && m->state && !streq(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(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
1999
2000 if (!m->state)
2001 state_missing = true;
2002
2003 if (m->is_host)
2004 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2005 (int) (namelen - strlen(" (host)")),
2006 strna(m->name),
2007 on_state, statelen, strna(m->state), off_state,
2008 on_failed, failedlen, m->n_failed_units, off_failed,
2009 jobslen, m->n_jobs);
2010 else
2011 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2012 namelen, strna(m->name),
2013 on_state, statelen, strna(m->state), off_state,
2014 on_failed, failedlen, m->n_failed_units, off_failed,
2015 jobslen, m->n_jobs);
2016 }
2017
2018 if (!arg_no_legend) {
2019 printf("\n");
2020 if (state_missing && geteuid() != 0)
2021 printf("Notice: some information only available to privileged users was not shown.\n");
2022 printf("%u machines listed.\n", n);
2023 }
2024 }
2025
2026 static int list_machines(int argc, char *argv[], void *userdata) {
2027 struct machine_info *machine_infos = NULL;
2028 sd_bus *bus;
2029 int r;
2030
2031 r = acquire_bus(BUS_MANAGER, &bus);
2032 if (r < 0)
2033 return r;
2034
2035 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2036 if (r < 0)
2037 return r;
2038
2039 (void) pager_open(arg_pager_flags);
2040
2041 typesafe_qsort(machine_infos, r, compare_machine_info);
2042 output_machines_list(machine_infos, r);
2043 free_machines_list(machine_infos, r);
2044
2045 return 0;
2046 }
2047
2048 static int get_default(int argc, char *argv[], void *userdata) {
2049 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2050 _cleanup_free_ char *_path = NULL;
2051 const char *path;
2052 int r;
2053
2054 if (install_client_side()) {
2055 r = unit_file_get_default(arg_scope, arg_root, &_path);
2056 if (r < 0)
2057 return log_error_errno(r, "Failed to get default target: %m");
2058 path = _path;
2059
2060 r = 0;
2061 } else {
2062 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2063 sd_bus *bus;
2064
2065 r = acquire_bus(BUS_MANAGER, &bus);
2066 if (r < 0)
2067 return r;
2068
2069 r = sd_bus_call_method(
2070 bus,
2071 "org.freedesktop.systemd1",
2072 "/org/freedesktop/systemd1",
2073 "org.freedesktop.systemd1.Manager",
2074 "GetDefaultTarget",
2075 &error,
2076 &reply,
2077 NULL);
2078 if (r < 0)
2079 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2080
2081 r = sd_bus_message_read(reply, "s", &path);
2082 if (r < 0)
2083 return bus_log_parse_error(r);
2084 }
2085
2086 if (path)
2087 printf("%s\n", path);
2088
2089 return 0;
2090 }
2091
2092 static int set_default(int argc, char *argv[], void *userdata) {
2093 _cleanup_free_ char *unit = NULL;
2094 UnitFileChange *changes = NULL;
2095 size_t n_changes = 0;
2096 int r;
2097
2098 assert(argc >= 2);
2099 assert(argv);
2100
2101 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2102 if (r < 0)
2103 return log_error_errno(r, "Failed to mangle unit name: %m");
2104
2105 if (install_client_side()) {
2106 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2107 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2108
2109 if (r > 0)
2110 r = 0;
2111 } else {
2112 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2113 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2114 sd_bus *bus;
2115
2116 polkit_agent_open_maybe();
2117
2118 r = acquire_bus(BUS_MANAGER, &bus);
2119 if (r < 0)
2120 return r;
2121
2122 r = sd_bus_call_method(
2123 bus,
2124 "org.freedesktop.systemd1",
2125 "/org/freedesktop/systemd1",
2126 "org.freedesktop.systemd1.Manager",
2127 "SetDefaultTarget",
2128 &error,
2129 &reply,
2130 "sb", unit, 1);
2131 if (r < 0)
2132 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2133
2134 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2135 if (r < 0)
2136 goto finish;
2137
2138 /* Try to reload if enabled */
2139 if (!arg_no_reload)
2140 r = daemon_reload(argc, argv, userdata);
2141 else
2142 r = 0;
2143 }
2144
2145 finish:
2146 unit_file_changes_free(changes, n_changes);
2147
2148 return r;
2149 }
2150
2151 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2152 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2153 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2154 const char *name, *type;
2155 uint32_t other_id;
2156 int r;
2157
2158 assert(bus);
2159
2160 r = sd_bus_call_method(
2161 bus,
2162 "org.freedesktop.systemd1",
2163 "/org/freedesktop/systemd1",
2164 "org.freedesktop.systemd1.Manager",
2165 method,
2166 &error,
2167 &reply,
2168 "u", id);
2169 if (r < 0)
2170 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2171
2172 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2173 if (r < 0)
2174 return bus_log_parse_error(r);
2175
2176 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2177 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2178 if (r < 0)
2179 return bus_log_parse_error(r);
2180
2181 r = sd_bus_message_exit_container(reply);
2182 if (r < 0)
2183 return bus_log_parse_error(r);
2184
2185 return 0;
2186 }
2187
2188 struct job_info {
2189 uint32_t id;
2190 const char *name, *type, *state;
2191 };
2192
2193 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2194 unsigned id_len, unit_len, type_len, state_len;
2195 const struct job_info *j;
2196 const char *on, *off;
2197 bool shorten = false;
2198
2199 assert(n == 0 || jobs);
2200
2201 if (n == 0) {
2202 if (!arg_no_legend) {
2203 on = ansi_highlight_green();
2204 off = ansi_normal();
2205
2206 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2207 }
2208 return;
2209 }
2210
2211 (void) pager_open(arg_pager_flags);
2212
2213 id_len = STRLEN("JOB");
2214 unit_len = STRLEN("UNIT");
2215 type_len = STRLEN("TYPE");
2216 state_len = STRLEN("STATE");
2217
2218 for (j = jobs; j < jobs + n; j++) {
2219 uint32_t id = j->id;
2220 assert(j->name && j->type && j->state);
2221
2222 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2223 unit_len = MAX(unit_len, strlen(j->name));
2224 type_len = MAX(type_len, strlen(j->type));
2225 state_len = MAX(state_len, strlen(j->state));
2226 }
2227
2228 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2229 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2230 shorten = true;
2231 }
2232
2233 if (!arg_no_legend)
2234 printf("%*s %-*s %-*s %-*s\n",
2235 id_len, "JOB",
2236 unit_len, "UNIT",
2237 type_len, "TYPE",
2238 state_len, "STATE");
2239
2240 for (j = jobs; j < jobs + n; j++) {
2241 _cleanup_free_ char *e = NULL;
2242
2243 if (streq(j->state, "running")) {
2244 on = ansi_highlight();
2245 off = ansi_normal();
2246 } else
2247 on = off = "";
2248
2249 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2250 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2251 id_len, j->id,
2252 on, unit_len, e ? e : j->name, off,
2253 type_len, j->type,
2254 on, state_len, j->state, off);
2255
2256 if (arg_jobs_after)
2257 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2258 if (arg_jobs_before)
2259 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2260 }
2261
2262 if (!arg_no_legend) {
2263 on = ansi_highlight();
2264 off = ansi_normal();
2265
2266 printf("\n%s%u jobs listed%s.\n", on, n, off);
2267 }
2268 }
2269
2270 static bool output_show_job(struct job_info *job, char **patterns) {
2271 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2272 }
2273
2274 static int list_jobs(int argc, char *argv[], void *userdata) {
2275 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2276 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2277 _cleanup_free_ struct job_info *jobs = NULL;
2278 const char *name, *type, *state;
2279 bool skipped = false;
2280 size_t size = 0;
2281 unsigned c = 0;
2282 sd_bus *bus;
2283 uint32_t id;
2284 int r;
2285
2286 r = acquire_bus(BUS_MANAGER, &bus);
2287 if (r < 0)
2288 return r;
2289
2290 r = sd_bus_call_method(
2291 bus,
2292 "org.freedesktop.systemd1",
2293 "/org/freedesktop/systemd1",
2294 "org.freedesktop.systemd1.Manager",
2295 "ListJobs",
2296 &error,
2297 &reply,
2298 NULL);
2299 if (r < 0)
2300 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2301
2302 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2303 if (r < 0)
2304 return bus_log_parse_error(r);
2305
2306 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2307 struct job_info job = { id, name, type, state };
2308
2309 if (!output_show_job(&job, strv_skip(argv, 1))) {
2310 skipped = true;
2311 continue;
2312 }
2313
2314 if (!GREEDY_REALLOC(jobs, size, c + 1))
2315 return log_oom();
2316
2317 jobs[c++] = job;
2318 }
2319 if (r < 0)
2320 return bus_log_parse_error(r);
2321
2322 r = sd_bus_message_exit_container(reply);
2323 if (r < 0)
2324 return bus_log_parse_error(r);
2325
2326 (void) pager_open(arg_pager_flags);
2327
2328 output_jobs_list(bus, jobs, c, skipped);
2329 return 0;
2330 }
2331
2332 static int cancel_job(int argc, char *argv[], void *userdata) {
2333 sd_bus *bus;
2334 char **name;
2335 int r = 0;
2336
2337 if (argc <= 1)
2338 return trivial_method(argc, argv, userdata);
2339
2340 r = acquire_bus(BUS_MANAGER, &bus);
2341 if (r < 0)
2342 return r;
2343
2344 polkit_agent_open_maybe();
2345
2346 STRV_FOREACH(name, strv_skip(argv, 1)) {
2347 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2348 uint32_t id;
2349 int q;
2350
2351 q = safe_atou32(*name, &id);
2352 if (q < 0)
2353 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2354
2355 q = sd_bus_call_method(
2356 bus,
2357 "org.freedesktop.systemd1",
2358 "/org/freedesktop/systemd1",
2359 "org.freedesktop.systemd1.Manager",
2360 "CancelJob",
2361 &error,
2362 NULL,
2363 "u", id);
2364 if (q < 0) {
2365 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2366 if (r == 0)
2367 r = q;
2368 }
2369 }
2370
2371 return r;
2372 }
2373
2374 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2375 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2376 const char *path;
2377 int b, r;
2378
2379 /* We ignore all errors here, since this is used to show a
2380 * warning only */
2381
2382 /* We don't use unit_dbus_path_from_name() directly since we
2383 * don't want to load the unit if it isn't loaded. */
2384
2385 r = sd_bus_call_method(
2386 bus,
2387 "org.freedesktop.systemd1",
2388 "/org/freedesktop/systemd1",
2389 "org.freedesktop.systemd1.Manager",
2390 "GetUnit",
2391 NULL,
2392 &reply,
2393 "s", unit);
2394 if (r < 0)
2395 return r;
2396
2397 r = sd_bus_message_read(reply, "o", &path);
2398 if (r < 0)
2399 return r;
2400
2401 r = sd_bus_get_property_trivial(
2402 bus,
2403 "org.freedesktop.systemd1",
2404 path,
2405 "org.freedesktop.systemd1.Unit",
2406 "NeedDaemonReload",
2407 NULL,
2408 'b', &b);
2409 if (r < 0)
2410 return r;
2411
2412 return b;
2413 }
2414
2415 static void warn_unit_file_changed(const char *name) {
2416 assert(name);
2417
2418 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.",
2419 ansi_highlight_red(),
2420 ansi_normal(),
2421 name,
2422 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2423 }
2424
2425 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2426 char **p;
2427
2428 assert(lp);
2429 assert(unit_name);
2430
2431 STRV_FOREACH(p, lp->search_path) {
2432 _cleanup_free_ char *path = NULL, *lpath = NULL;
2433 int r;
2434
2435 path = path_join(*p, unit_name);
2436 if (!path)
2437 return log_oom();
2438
2439 r = chase_symlinks(path, arg_root, 0, &lpath);
2440 if (r == -ENOENT)
2441 continue;
2442 if (r == -ENOMEM)
2443 return log_oom();
2444 if (r < 0)
2445 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2446
2447 if (ret_unit_path)
2448 *ret_unit_path = TAKE_PTR(lpath);
2449
2450 return 1;
2451 }
2452
2453 if (ret_unit_path)
2454 *ret_unit_path = NULL;
2455
2456 return 0;
2457 }
2458
2459 static int unit_find_template_path(
2460 const char *unit_name,
2461 LookupPaths *lp,
2462 char **ret_fragment_path,
2463 char **ret_template) {
2464
2465 _cleanup_free_ char *t = NULL, *f = NULL;
2466 int r;
2467
2468 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2469
2470 r = unit_file_find_path(lp, unit_name, &f);
2471 if (r < 0)
2472 return r;
2473 if (r > 0) {
2474 if (ret_fragment_path)
2475 *ret_fragment_path = TAKE_PTR(f);
2476 if (ret_template)
2477 *ret_template = NULL;
2478 return r; /* found a real unit */
2479 }
2480
2481 r = unit_name_template(unit_name, &t);
2482 if (r == -EINVAL) {
2483 if (ret_fragment_path)
2484 *ret_fragment_path = NULL;
2485 if (ret_template)
2486 *ret_template = NULL;
2487
2488 return 0; /* not a template, does not exist */
2489 }
2490 if (r < 0)
2491 return log_error_errno(r, "Failed to determine template name: %m");
2492
2493 r = unit_file_find_path(lp, t, ret_fragment_path);
2494 if (r < 0)
2495 return r;
2496
2497 if (ret_template)
2498 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2499
2500 return r;
2501 }
2502
2503 static int unit_find_paths(
2504 sd_bus *bus,
2505 const char *unit_name,
2506 LookupPaths *lp,
2507 bool force_client_side,
2508 char **ret_fragment_path,
2509 char ***ret_dropin_paths) {
2510
2511 _cleanup_strv_free_ char **dropins = NULL;
2512 _cleanup_free_ char *path = NULL;
2513 int r;
2514
2515 /**
2516 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2517 * found, and sets:
2518 * - the path to the unit in *ret_frament_path, if it exists on disk,
2519 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2520 * were found.
2521 *
2522 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2523 * some reason (the latter only applies if we are going through the service manager).
2524 */
2525
2526 assert(unit_name);
2527 assert(ret_fragment_path);
2528 assert(lp);
2529
2530 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2531 if (!force_client_side &&
2532 !install_client_side() &&
2533 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2534 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2535 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2536
2537 dbus_path = unit_dbus_path_from_name(unit_name);
2538 if (!dbus_path)
2539 return log_oom();
2540
2541 r = sd_bus_get_property_string(
2542 bus,
2543 "org.freedesktop.systemd1",
2544 dbus_path,
2545 "org.freedesktop.systemd1.Unit",
2546 "LoadState",
2547 &error,
2548 &load_state);
2549 if (r < 0)
2550 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2551
2552 if (streq(load_state, "masked"))
2553 return -ERFKILL;
2554 if (streq(load_state, "not-found")) {
2555 r = 0;
2556 goto not_found;
2557 }
2558 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2559 return -EKEYREJECTED;
2560
2561 r = sd_bus_get_property_string(
2562 bus,
2563 "org.freedesktop.systemd1",
2564 dbus_path,
2565 "org.freedesktop.systemd1.Unit",
2566 "FragmentPath",
2567 &error,
2568 &path);
2569 if (r < 0)
2570 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2571
2572 if (ret_dropin_paths) {
2573 r = sd_bus_get_property_strv(
2574 bus,
2575 "org.freedesktop.systemd1",
2576 dbus_path,
2577 "org.freedesktop.systemd1.Unit",
2578 "DropInPaths",
2579 &error,
2580 &dropins);
2581 if (r < 0)
2582 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2583 }
2584 } else {
2585 _cleanup_set_free_ Set *names = NULL;
2586 _cleanup_free_ char *template = NULL;
2587
2588 names = set_new(NULL);
2589 if (!names)
2590 return log_oom();
2591
2592 r = unit_find_template_path(unit_name, lp, &path, &template);
2593 if (r < 0)
2594 return r;
2595 if (r > 0) {
2596 if (null_or_empty_path(path))
2597 /* The template is masked. Let's cut the process short. */
2598 return -ERFKILL;
2599
2600 /* We found the unit file. If we followed symlinks, this name might be
2601 * different then the unit_name with started with. Look for dropins matching
2602 * that "final" name. */
2603 r = set_put(names, basename(path));
2604 } else if (!template)
2605 /* No unit file, let's look for dropins matching the original name.
2606 * systemd has fairly complicated rules (based on unit type and provenience),
2607 * which units are allowed not to have the main unit file. We err on the
2608 * side of including too many files, and always try to load dropins. */
2609 r = set_put(names, unit_name);
2610 else
2611 /* The cases where we allow a unit to exist without the main file are
2612 * never valid for templates. Don't try to load dropins in this case. */
2613 goto not_found;
2614
2615 if (r < 0)
2616 return log_error_errno(r, "Failed to add unit name: %m");
2617
2618 if (ret_dropin_paths) {
2619 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2620 ".d", ".conf",
2621 names, &dropins);
2622 if (r < 0)
2623 return r;
2624 }
2625 }
2626
2627 if (isempty(path)) {
2628 *ret_fragment_path = NULL;
2629 r = 0;
2630 } else {
2631 *ret_fragment_path = TAKE_PTR(path);
2632 r = 1;
2633 }
2634
2635 if (ret_dropin_paths) {
2636 if (!strv_isempty(dropins)) {
2637 *ret_dropin_paths = TAKE_PTR(dropins);
2638 r = 1;
2639 } else
2640 *ret_dropin_paths = NULL;
2641 }
2642
2643 not_found:
2644 if (r == 0 && !arg_force)
2645 log_error("No files found for %s.", unit_name);
2646
2647 return r;
2648 }
2649
2650 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2651 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2652 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2653 UnitActiveState state;
2654 int r;
2655
2656 assert(name);
2657 assert(active_state);
2658
2659 dbus_path = unit_dbus_path_from_name(name);
2660 if (!dbus_path)
2661 return log_oom();
2662
2663 r = sd_bus_get_property_string(
2664 bus,
2665 "org.freedesktop.systemd1",
2666 dbus_path,
2667 "org.freedesktop.systemd1.Unit",
2668 "ActiveState",
2669 &error,
2670 &buf);
2671 if (r < 0)
2672 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2673
2674 state = unit_active_state_from_string(buf);
2675 if (state < 0)
2676 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2677
2678 *active_state = state;
2679 return 0;
2680 }
2681
2682 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2683 _cleanup_free_ char *load_state = NULL;
2684 int r;
2685
2686 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2687 _cleanup_free_ char *path = NULL;
2688
2689 /* A template cannot be loaded, but it can be still masked, so
2690 * we need to use a different method. */
2691
2692 r = unit_file_find_path(lp, name, &path);
2693 if (r < 0)
2694 return r;
2695 if (r == 0)
2696 return false;
2697 return null_or_empty_path(path);
2698 }
2699
2700 r = unit_load_state(bus, name, &load_state);
2701 if (r < 0)
2702 return r;
2703
2704 return streq(load_state, "masked");
2705 }
2706
2707 static int check_triggering_units(sd_bus *bus, const char *name) {
2708 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2709 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2710 _cleanup_strv_free_ char **triggered_by = NULL;
2711 bool print_warning_label = true;
2712 UnitActiveState active_state;
2713 char **i;
2714 int r;
2715
2716 r = unit_name_mangle(name, 0, &n);
2717 if (r < 0)
2718 return log_error_errno(r, "Failed to mangle unit name: %m");
2719
2720 r = unit_load_state(bus, name, &load_state);
2721 if (r < 0)
2722 return r;
2723
2724 if (streq(load_state, "masked"))
2725 return 0;
2726
2727 dbus_path = unit_dbus_path_from_name(n);
2728 if (!dbus_path)
2729 return log_oom();
2730
2731 r = sd_bus_get_property_strv(
2732 bus,
2733 "org.freedesktop.systemd1",
2734 dbus_path,
2735 "org.freedesktop.systemd1.Unit",
2736 "TriggeredBy",
2737 &error,
2738 &triggered_by);
2739 if (r < 0)
2740 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2741
2742 STRV_FOREACH(i, triggered_by) {
2743 r = get_state_one_unit(bus, *i, &active_state);
2744 if (r < 0)
2745 return r;
2746
2747 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2748 continue;
2749
2750 if (print_warning_label) {
2751 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2752 print_warning_label = false;
2753 }
2754
2755 log_warning(" %s", *i);
2756 }
2757
2758 return 0;
2759 }
2760
2761 static const struct {
2762 const char *verb; /* systemctl verb */
2763 const char *method; /* Name of the specific D-Bus method */
2764 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2765 } unit_actions[] = {
2766 { "start", "StartUnit", "start" },
2767 { "stop", "StopUnit", "stop" },
2768 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2769 { "reload", "ReloadUnit", "reload" },
2770 { "restart", "RestartUnit", "restart" },
2771 { "try-restart", "TryRestartUnit", "try-restart" },
2772 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2773 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2774 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2775 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2776 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2777 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2778 };
2779
2780 static const char *verb_to_method(const char *verb) {
2781 size_t i;
2782
2783 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2784 if (streq_ptr(unit_actions[i].verb, verb))
2785 return unit_actions[i].method;
2786
2787 return "StartUnit";
2788 }
2789
2790 static const char *verb_to_job_type(const char *verb) {
2791 size_t i;
2792
2793 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2794 if (streq_ptr(unit_actions[i].verb, verb))
2795 return unit_actions[i].job_type;
2796
2797 return "start";
2798 }
2799
2800 static int start_unit_one(
2801 sd_bus *bus,
2802 const char *method, /* When using classic per-job bus methods */
2803 const char *job_type, /* When using new-style EnqueueUnitJob() */
2804 const char *name,
2805 const char *mode,
2806 sd_bus_error *error,
2807 BusWaitForJobs *w,
2808 BusWaitForUnits *wu) {
2809
2810 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2811 const char *path;
2812 bool done = false;
2813 int r;
2814
2815 assert(method);
2816 assert(name);
2817 assert(mode);
2818 assert(error);
2819
2820 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2821 arg_dry_run ? "Would execute" : "Executing",
2822 method, name, mode);
2823
2824 if (arg_dry_run)
2825 return 0;
2826
2827 if (arg_show_transaction) {
2828 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2829
2830 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2831 r = sd_bus_call_method(
2832 bus,
2833 "org.freedesktop.systemd1",
2834 "/org/freedesktop/systemd1",
2835 "org.freedesktop.systemd1.Manager",
2836 "EnqueueUnitJob",
2837 &enqueue_error,
2838 &reply,
2839 "sss",
2840 name, job_type, mode);
2841 if (r < 0) {
2842 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2843 (void) sd_bus_error_move(error, &enqueue_error);
2844 goto fail;
2845 }
2846
2847 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2848 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2849 } else {
2850 const char *u, *jt;
2851 uint32_t id;
2852
2853 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2854 if (r < 0)
2855 return bus_log_parse_error(r);
2856
2857 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2858
2859 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2860 if (r < 0)
2861 return bus_log_parse_error(r);
2862 for (;;) {
2863 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2864 if (r < 0)
2865 return bus_log_parse_error(r);
2866 if (r == 0)
2867 break;
2868
2869 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2870 }
2871
2872 r = sd_bus_message_exit_container(reply);
2873 if (r < 0)
2874 return bus_log_parse_error(r);
2875
2876 done = true;
2877 }
2878 }
2879
2880 if (!done) {
2881 r = sd_bus_call_method(
2882 bus,
2883 "org.freedesktop.systemd1",
2884 "/org/freedesktop/systemd1",
2885 "org.freedesktop.systemd1.Manager",
2886 method,
2887 error,
2888 &reply,
2889 "ss", name, mode);
2890 if (r < 0)
2891 goto fail;
2892
2893 r = sd_bus_message_read(reply, "o", &path);
2894 if (r < 0)
2895 return bus_log_parse_error(r);
2896 }
2897
2898 if (need_daemon_reload(bus, name) > 0)
2899 warn_unit_file_changed(name);
2900
2901 if (w) {
2902 log_debug("Adding %s to the set", path);
2903 r = bus_wait_for_jobs_add(w, path);
2904 if (r < 0)
2905 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2906 }
2907
2908 if (wu) {
2909 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2910 if (r < 0)
2911 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2912 }
2913
2914 return 0;
2915
2916 fail:
2917 /* There's always a fallback possible for legacy actions. */
2918 if (arg_action != ACTION_SYSTEMCTL)
2919 return r;
2920
2921 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2922
2923 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2924 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2925 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2926 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2927 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2928 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2929 name[0] == '-' ? " --" : "",
2930 name);
2931
2932 return r;
2933 }
2934
2935 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2936 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2937 char **name;
2938 int r, i;
2939
2940 assert(bus);
2941 assert(ret);
2942
2943 STRV_FOREACH(name, names) {
2944 char *t;
2945 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2946
2947 if (suffix)
2948 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2949 else
2950 r = unit_name_mangle(*name, options, &t);
2951 if (r < 0)
2952 return log_error_errno(r, "Failed to mangle name: %m");
2953
2954 if (string_is_glob(t))
2955 r = strv_consume(&globs, t);
2956 else
2957 r = strv_consume(&mangled, t);
2958 if (r < 0)
2959 return log_oom();
2960 }
2961
2962 /* Query the manager only if any of the names are a glob, since
2963 * this is fairly expensive */
2964 if (!strv_isempty(globs)) {
2965 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2966 _cleanup_free_ UnitInfo *unit_infos = NULL;
2967 size_t allocated, n;
2968
2969 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2970 if (r < 0)
2971 return r;
2972
2973 n = strv_length(mangled);
2974 allocated = n + 1;
2975
2976 for (i = 0; i < r; i++) {
2977 if (!GREEDY_REALLOC(mangled, allocated, n+2))
2978 return log_oom();
2979
2980 mangled[n] = strdup(unit_infos[i].id);
2981 if (!mangled[n])
2982 return log_oom();
2983
2984 mangled[++n] = NULL;
2985 }
2986 }
2987
2988 *ret = TAKE_PTR(mangled);
2989 return 0;
2990 }
2991
2992 static const struct {
2993 const char *target;
2994 const char *verb;
2995 const char *mode;
2996 } action_table[_ACTION_MAX] = {
2997 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2998 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2999 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3000 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3001 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3002 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3003 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3004 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3005 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3006 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3007 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3008 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3009 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3010 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3011 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3012 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3013 };
3014
3015 static enum action verb_to_action(const char *verb) {
3016 enum action i;
3017
3018 for (i = 0; i < _ACTION_MAX; i++)
3019 if (streq_ptr(action_table[i].verb, verb))
3020 return i;
3021
3022 return _ACTION_INVALID;
3023 }
3024
3025 static const char** make_extra_args(const char *extra_args[static 4]) {
3026 size_t n = 0;
3027
3028 assert(extra_args);
3029
3030 if (arg_scope != UNIT_FILE_SYSTEM)
3031 extra_args[n++] = "--user";
3032
3033 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3034 extra_args[n++] = "-H";
3035 extra_args[n++] = arg_host;
3036 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3037 extra_args[n++] = "-M";
3038 extra_args[n++] = arg_host;
3039 } else
3040 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3041
3042 extra_args[n] = NULL;
3043 return extra_args;
3044 }
3045
3046 static int start_unit(int argc, char *argv[], void *userdata) {
3047 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3048 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3049 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3050 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3051 _cleanup_strv_free_ char **names = NULL;
3052 int r, ret = EXIT_SUCCESS;
3053 sd_bus *bus;
3054 char **name;
3055
3056 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3057 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3058 "--wait may only be used with the 'start' or 'restart' commands.");
3059
3060 /* we cannot do sender tracking on the private bus, so we need the full
3061 * one for RefUnit to implement --wait */
3062 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3063 if (r < 0)
3064 return r;
3065
3066 ask_password_agent_open_if_enabled();
3067 polkit_agent_open_maybe();
3068
3069 if (arg_action == ACTION_SYSTEMCTL) {
3070 enum action action;
3071
3072 action = verb_to_action(argv[0]);
3073
3074 if (action != _ACTION_INVALID) {
3075 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3076 method = "StartUnit";
3077 job_type = "start";
3078 mode = action_table[action].mode;
3079 one_name = action_table[action].target;
3080 } else {
3081 if (streq(argv[0], "isolate")) {
3082 /* A "systemctl isolate <unit1> <unit2> …" command */
3083 method = "StartUnit";
3084 job_type = "start";
3085 mode = "isolate";
3086 suffix = ".target";
3087 } else {
3088 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3089 method = verb_to_method(argv[0]);
3090 job_type = verb_to_job_type(argv[0]);
3091 mode = arg_job_mode;
3092 }
3093 one_name = NULL;
3094 }
3095 } else {
3096 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3097 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3098 assert(action_table[arg_action].target);
3099 assert(action_table[arg_action].mode);
3100
3101 method = "StartUnit";
3102 job_type = "start";
3103 mode = action_table[arg_action].mode;
3104 one_name = action_table[arg_action].target;
3105 }
3106
3107 if (one_name) {
3108 names = strv_new(one_name);
3109 if (!names)
3110 return log_oom();
3111 } else {
3112 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3113 if (r < 0)
3114 return log_error_errno(r, "Failed to expand names: %m");
3115 }
3116
3117 if (!arg_no_block) {
3118 r = bus_wait_for_jobs_new(bus, &w);
3119 if (r < 0)
3120 return log_error_errno(r, "Could not watch jobs: %m");
3121 }
3122
3123 if (arg_wait) {
3124 r = sd_bus_call_method_async(
3125 bus,
3126 NULL,
3127 "org.freedesktop.systemd1",
3128 "/org/freedesktop/systemd1",
3129 "org.freedesktop.systemd1.Manager",
3130 "Subscribe",
3131 NULL, NULL,
3132 NULL);
3133 if (r < 0)
3134 return log_error_errno(r, "Failed to enable subscription: %m");
3135
3136 r = bus_wait_for_units_new(bus, &wu);
3137 if (r < 0)
3138 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3139 }
3140
3141 STRV_FOREACH(name, names) {
3142 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3143
3144 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3145 if (ret == EXIT_SUCCESS && r < 0)
3146 ret = translate_bus_error_to_exit_status(r, &error);
3147
3148 if (r >= 0 && streq(method, "StopUnit")) {
3149 r = strv_push(&stopped_units, *name);
3150 if (r < 0)
3151 return log_oom();
3152 }
3153 }
3154
3155 if (!arg_no_block) {
3156 const char* extra_args[4];
3157
3158 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3159 if (r < 0)
3160 return r;
3161
3162 /* When stopping units, warn if they can still be triggered by
3163 * another active unit (socket, path, timer) */
3164 if (!arg_quiet)
3165 STRV_FOREACH(name, stopped_units)
3166 (void) check_triggering_units(bus, *name);
3167 }
3168
3169 if (arg_wait) {
3170 r = bus_wait_for_units_run(wu);
3171 if (r < 0)
3172 return log_error_errno(r, "Failed to wait for units: %m");
3173 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3174 ret = EXIT_FAILURE;
3175 }
3176
3177 return ret;
3178 }
3179
3180 #if ENABLE_LOGIND
3181 static int logind_set_wall_message(void) {
3182 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3183 sd_bus *bus;
3184 _cleanup_free_ char *m = NULL;
3185 int r;
3186
3187 r = acquire_bus(BUS_FULL, &bus);
3188 if (r < 0)
3189 return r;
3190
3191 m = strv_join(arg_wall, " ");
3192 if (!m)
3193 return log_oom();
3194
3195 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3196 if (arg_dry_run)
3197 return 0;
3198
3199 r = sd_bus_call_method(
3200 bus,
3201 "org.freedesktop.login1",
3202 "/org/freedesktop/login1",
3203 "org.freedesktop.login1.Manager",
3204 "SetWallMessage",
3205 &error,
3206 NULL,
3207 "sb",
3208 m,
3209 !arg_no_wall);
3210
3211 if (r < 0)
3212 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3213 return 0;
3214 }
3215 #endif
3216
3217 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3218 static int logind_reboot(enum action a) {
3219 #if ENABLE_LOGIND
3220 static const struct {
3221 const char *method;
3222 const char *description;
3223 } actions[_ACTION_MAX] = {
3224 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3225 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3226 [ACTION_HALT] = { "Halt", "halt system" },
3227 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3228 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3229 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3230 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3231 };
3232
3233 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3234 sd_bus *bus;
3235 int r;
3236
3237 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3238 return -EINVAL;
3239
3240 r = acquire_bus(BUS_FULL, &bus);
3241 if (r < 0)
3242 return r;
3243
3244 polkit_agent_open_maybe();
3245 (void) logind_set_wall_message();
3246
3247 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3248
3249 if (arg_dry_run)
3250 return 0;
3251
3252 r = sd_bus_call_method(
3253 bus,
3254 "org.freedesktop.login1",
3255 "/org/freedesktop/login1",
3256 "org.freedesktop.login1.Manager",
3257 actions[a].method,
3258 &error,
3259 NULL,
3260 "b", arg_ask_password);
3261 if (r < 0)
3262 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3263
3264 return 0;
3265 #else
3266 return -ENOSYS;
3267 #endif
3268 }
3269
3270 static int logind_check_inhibitors(enum action a) {
3271 #if ENABLE_LOGIND
3272 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3273 _cleanup_strv_free_ char **sessions = NULL;
3274 const char *what, *who, *why, *mode;
3275 uint32_t uid, pid;
3276 sd_bus *bus;
3277 unsigned c = 0;
3278 char **s;
3279 int r;
3280
3281 if (arg_ignore_inhibitors || arg_force > 0)
3282 return 0;
3283
3284 if (arg_when > 0)
3285 return 0;
3286
3287 if (geteuid() == 0)
3288 return 0;
3289
3290 if (!on_tty())
3291 return 0;
3292
3293 if (arg_transport != BUS_TRANSPORT_LOCAL)
3294 return 0;
3295
3296 r = acquire_bus(BUS_FULL, &bus);
3297 if (r < 0)
3298 return r;
3299
3300 r = sd_bus_call_method(
3301 bus,
3302 "org.freedesktop.login1",
3303 "/org/freedesktop/login1",
3304 "org.freedesktop.login1.Manager",
3305 "ListInhibitors",
3306 NULL,
3307 &reply,
3308 NULL);
3309 if (r < 0)
3310 /* If logind is not around, then there are no inhibitors... */
3311 return 0;
3312
3313 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3314 if (r < 0)
3315 return bus_log_parse_error(r);
3316
3317 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3318 _cleanup_free_ char *comm = NULL, *user = NULL;
3319 _cleanup_strv_free_ char **sv = NULL;
3320
3321 if (!streq(mode, "block"))
3322 continue;
3323
3324 sv = strv_split(what, ":");
3325 if (!sv)
3326 return log_oom();
3327
3328 if (!pid_is_valid((pid_t) pid))
3329 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3330
3331 if (!strv_contains(sv,
3332 IN_SET(a,
3333 ACTION_HALT,
3334 ACTION_POWEROFF,
3335 ACTION_REBOOT,
3336 ACTION_KEXEC) ? "shutdown" : "sleep"))
3337 continue;
3338
3339 get_process_comm(pid, &comm);
3340 user = uid_to_name(uid);
3341
3342 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3343 who, (pid_t) pid, strna(comm), strna(user), why);
3344
3345 c++;
3346 }
3347 if (r < 0)
3348 return bus_log_parse_error(r);
3349
3350 r = sd_bus_message_exit_container(reply);
3351 if (r < 0)
3352 return bus_log_parse_error(r);
3353
3354 /* Check for current sessions */
3355 sd_get_sessions(&sessions);
3356 STRV_FOREACH(s, sessions) {
3357 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3358
3359 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3360 continue;
3361
3362 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3363 continue;
3364
3365 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3366 continue;
3367
3368 sd_session_get_tty(*s, &tty);
3369 sd_session_get_seat(*s, &seat);
3370 sd_session_get_service(*s, &service);
3371 user = uid_to_name(uid);
3372
3373 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3374 c++;
3375 }
3376
3377 if (c <= 0)
3378 return 0;
3379
3380 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3381 action_table[a].verb);
3382
3383 return -EPERM;
3384 #else
3385 return 0;
3386 #endif
3387 }
3388
3389 static int prepare_firmware_setup(void) {
3390
3391 if (!arg_firmware_setup)
3392 return 0;
3393
3394 #if ENABLE_LOGIND
3395 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3396 sd_bus *bus;
3397 int r;
3398
3399 r = acquire_bus(BUS_FULL, &bus);
3400 if (r < 0)
3401 return r;
3402
3403 r = sd_bus_call_method(
3404 bus,
3405 "org.freedesktop.login1",
3406 "/org/freedesktop/login1",
3407 "org.freedesktop.login1.Manager",
3408 "SetRebootToFirmwareSetup",
3409 &error,
3410 NULL,
3411 "b", true);
3412 if (r < 0)
3413 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3414
3415 return 0;
3416 #else
3417 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3418 "Booting into firmware setup not supported.");
3419 #endif
3420 }
3421
3422 static int prepare_boot_loader_menu(void) {
3423
3424 if (arg_boot_loader_menu == USEC_INFINITY)
3425 return 0;
3426
3427 #if ENABLE_LOGIND
3428 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3429 sd_bus *bus;
3430 int r;
3431
3432 r = acquire_bus(BUS_FULL, &bus);
3433 if (r < 0)
3434 return r;
3435
3436 r = sd_bus_call_method(
3437 bus,
3438 "org.freedesktop.login1",
3439 "/org/freedesktop/login1",
3440 "org.freedesktop.login1.Manager",
3441 "SetRebootToBootLoaderMenu",
3442 &error,
3443 NULL,
3444 "t", arg_boot_loader_menu);
3445 if (r < 0)
3446 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3447
3448 return 0;
3449 #else
3450 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3451 "Booting into boot loader menu not supported.");
3452 #endif
3453 }
3454
3455 static int prepare_boot_loader_entry(void) {
3456
3457 if (!arg_boot_loader_entry)
3458 return 0;
3459
3460 #if ENABLE_LOGIND
3461 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3462 sd_bus *bus;
3463 int r;
3464
3465 r = acquire_bus(BUS_FULL, &bus);
3466 if (r < 0)
3467 return r;
3468
3469 r = sd_bus_call_method(
3470 bus,
3471 "org.freedesktop.login1",
3472 "/org/freedesktop/login1",
3473 "org.freedesktop.login1.Manager",
3474 "SetRebootToBootLoaderEntry",
3475 &error,
3476 NULL,
3477 "s", arg_boot_loader_entry);
3478 if (r < 0)
3479 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3480
3481 return 0;
3482 #else
3483 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3484 "Booting into boot loader entry not supported.");
3485 #endif
3486 }
3487
3488 static int load_kexec_kernel(void) {
3489 _cleanup_(boot_config_free) BootConfig config = {};
3490 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3491 const BootEntry *e;
3492 pid_t pid;
3493 int r;
3494
3495 if (kexec_loaded()) {
3496 log_debug("Kexec kernel already loaded.");
3497 return 0;
3498 }
3499
3500 if (access(KEXEC, X_OK) < 0)
3501 return log_error_errno(errno, KEXEC" is not available: %m");
3502
3503 r = boot_entries_load_config_auto(NULL, NULL, &config);
3504 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3505 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3506 if (r < 0)
3507 return r;
3508
3509 e = boot_config_default_entry(&config);
3510 if (!e)
3511 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3512 "No boot loader entry suitable as default, refusing to guess.");
3513
3514 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3515
3516 if (!e->kernel)
3517 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3518 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3519 if (strv_length(e->initrd) > 1)
3520 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3521 "Boot entry specifies multiple initrds, which is not supported currently.");
3522
3523 kernel = path_join(e->root, e->kernel);
3524 if (!kernel)
3525 return log_oom();
3526
3527 if (!strv_isempty(e->initrd)) {
3528 initrd = path_join(e->root, e->initrd[0]);
3529 if (!initrd)
3530 return log_oom();
3531 }
3532
3533 options = strv_join(e->options, " ");
3534 if (!options)
3535 return log_oom();
3536
3537 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3538 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3539 arg_dry_run ? "Would run" : "Running",
3540 kernel,
3541 options,
3542 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3543 if (arg_dry_run)
3544 return 0;
3545
3546 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3547 if (r < 0)
3548 return r;
3549 if (r == 0) {
3550 const char* const args[] = {
3551 KEXEC,
3552 "--load", kernel,
3553 "--append", options,
3554 initrd ? "--initrd" : NULL, initrd,
3555 NULL
3556 };
3557
3558 /* Child */
3559 execv(args[0], (char * const *) args);
3560 _exit(EXIT_FAILURE);
3561 }
3562
3563 return 0;
3564 }
3565
3566 static int set_exit_code(uint8_t code) {
3567 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3568 sd_bus *bus;
3569 int r;
3570
3571 r = acquire_bus(BUS_MANAGER, &bus);
3572 if (r < 0)
3573 return r;
3574
3575 r = sd_bus_call_method(
3576 bus,
3577 "org.freedesktop.systemd1",
3578 "/org/freedesktop/systemd1",
3579 "org.freedesktop.systemd1.Manager",
3580 "SetExitCode",
3581 &error,
3582 NULL,
3583 "y", code);
3584 if (r < 0)
3585 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3586
3587 return 0;
3588 }
3589
3590 static int start_special(int argc, char *argv[], void *userdata) {
3591 enum action a;
3592 int r;
3593 bool termination_action; /* an action that terminates the manager,
3594 * can be performed also by signal. */
3595
3596 assert(argv);
3597
3598 a = verb_to_action(argv[0]);
3599
3600 r = logind_check_inhibitors(a);
3601 if (r < 0)
3602 return r;
3603
3604 if (arg_force >= 2) {
3605 r = must_be_root();
3606 if (r < 0)
3607 return r;
3608 }
3609
3610 r = prepare_firmware_setup();
3611 if (r < 0)
3612 return r;
3613
3614 r = prepare_boot_loader_menu();
3615 if (r < 0)
3616 return r;
3617
3618 r = prepare_boot_loader_entry();
3619 if (r < 0)
3620 return r;
3621
3622 if (a == ACTION_REBOOT && argc > 1) {
3623 r = update_reboot_parameter_and_warn(argv[1], false);
3624 if (r < 0)
3625 return r;
3626
3627 } else if (a == ACTION_KEXEC) {
3628 r = load_kexec_kernel();
3629 if (r < 0 && arg_force >= 1)
3630 log_notice("Failed to load kexec kernel, continuing without.");
3631 else if (r < 0)
3632 return r;
3633
3634 } else if (a == ACTION_EXIT && argc > 1) {
3635 uint8_t code;
3636
3637 /* If the exit code is not given on the command line,
3638 * don't reset it to zero: just keep it as it might
3639 * have been set previously. */
3640
3641 r = safe_atou8(argv[1], &code);
3642 if (r < 0)
3643 return log_error_errno(r, "Invalid exit code.");
3644
3645 r = set_exit_code(code);
3646 if (r < 0)
3647 return r;
3648 }
3649
3650 termination_action = IN_SET(a,
3651 ACTION_HALT,
3652 ACTION_POWEROFF,
3653 ACTION_REBOOT);
3654 if (termination_action && arg_force >= 2)
3655 return halt_now(a);
3656
3657 if (arg_force >= 1 &&
3658 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3659 r = trivial_method(argc, argv, userdata);
3660 else {
3661 /* First try logind, to allow authentication with polkit */
3662 if (IN_SET(a,
3663 ACTION_POWEROFF,
3664 ACTION_REBOOT,
3665 ACTION_HALT,
3666 ACTION_SUSPEND,
3667 ACTION_HIBERNATE,
3668 ACTION_HYBRID_SLEEP,
3669 ACTION_SUSPEND_THEN_HIBERNATE)) {
3670
3671 r = logind_reboot(a);
3672 if (r >= 0)
3673 return r;
3674 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3675 /* requested operation is not supported or already in progress */
3676 return r;
3677
3678 /* On all other errors, try low-level operation. In order to minimize the difference between
3679 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3680 * logind's shutdown operations are always non-blocking. */
3681
3682 arg_no_block = true;
3683
3684 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3685 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3686 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3687 arg_no_block = true;
3688
3689 r = start_unit(argc, argv, userdata);
3690 }
3691
3692 if (termination_action && arg_force < 2 &&
3693 IN_SET(r, -ENOENT, -ETIMEDOUT))
3694 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3695
3696 return r;
3697 }
3698
3699 static int start_system_special(int argc, char *argv[], void *userdata) {
3700 /* Like start_special above, but raises an error when running in user mode */
3701
3702 if (arg_scope != UNIT_FILE_SYSTEM)
3703 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3704 "Bad action for %s mode.",
3705 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3706
3707 return start_special(argc, argv, userdata);
3708 }
3709
3710 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3711 _cleanup_strv_free_ char **names = NULL;
3712 UnitActiveState active_state;
3713 sd_bus *bus;
3714 char **name;
3715 int r, i;
3716 bool found = false;
3717
3718 r = acquire_bus(BUS_MANAGER, &bus);
3719 if (r < 0)
3720 return r;
3721
3722 r = expand_names(bus, args, NULL, &names);
3723 if (r < 0)
3724 return log_error_errno(r, "Failed to expand names: %m");
3725
3726 STRV_FOREACH(name, names) {
3727 r = get_state_one_unit(bus, *name, &active_state);
3728 if (r < 0)
3729 return r;
3730
3731 if (!arg_quiet)
3732 puts(unit_active_state_to_string(active_state));
3733
3734 for (i = 0; i < nb_states; ++i)
3735 if (good_states[i] == active_state)
3736 found = true;
3737 }
3738
3739 /* use the given return code for the case that we won't find
3740 * any unit which matches the list */
3741 return found ? 0 : code;
3742 }
3743
3744 static int check_unit_active(int argc, char *argv[], void *userdata) {
3745 static const UnitActiveState states[] = {
3746 UNIT_ACTIVE,
3747 UNIT_RELOADING,
3748 };
3749
3750 /* According to LSB: 3, "program is not running" */
3751 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3752 }
3753
3754 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3755 static const UnitActiveState states[] = {
3756 UNIT_FAILED,
3757 };
3758
3759 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3760 }
3761
3762 static int kill_unit(int argc, char *argv[], void *userdata) {
3763 _cleanup_strv_free_ char **names = NULL;
3764 char *kill_who = NULL, **name;
3765 sd_bus *bus;
3766 int r, q;
3767
3768 r = acquire_bus(BUS_MANAGER, &bus);
3769 if (r < 0)
3770 return r;
3771
3772 polkit_agent_open_maybe();
3773
3774 if (!arg_kill_who)
3775 arg_kill_who = "all";
3776
3777 /* --fail was specified */
3778 if (streq(arg_job_mode, "fail"))
3779 kill_who = strjoina(arg_kill_who, "-fail");
3780
3781 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3782 if (r < 0)
3783 return log_error_errno(r, "Failed to expand names: %m");
3784
3785 STRV_FOREACH(name, names) {
3786 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3787
3788 q = sd_bus_call_method(
3789 bus,
3790 "org.freedesktop.systemd1",
3791 "/org/freedesktop/systemd1",
3792 "org.freedesktop.systemd1.Manager",
3793 "KillUnit",
3794 &error,
3795 NULL,
3796 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3797 if (q < 0) {
3798 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3799 if (r == 0)
3800 r = q;
3801 }
3802 }
3803
3804 return r;
3805 }
3806
3807 static int clean_unit(int argc, char *argv[], void *userdata) {
3808 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3809 _cleanup_strv_free_ char **names = NULL;
3810 int r, ret = EXIT_SUCCESS;
3811 char **name;
3812 sd_bus *bus;
3813
3814 r = acquire_bus(BUS_FULL, &bus);
3815 if (r < 0)
3816 return r;
3817
3818 polkit_agent_open_maybe();
3819
3820 if (!arg_clean_what) {
3821 arg_clean_what = strv_new("cache", "runtime");
3822 if (!arg_clean_what)
3823 return log_oom();
3824 }
3825
3826 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3827 if (r < 0)
3828 return log_error_errno(r, "Failed to expand names: %m");
3829
3830 if (!arg_no_block) {
3831 r = bus_wait_for_units_new(bus, &w);
3832 if (r < 0)
3833 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3834 }
3835
3836 STRV_FOREACH(name, names) {
3837 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3838 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3839
3840 if (w) {
3841 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3842 r = sd_bus_call_method(
3843 bus,
3844 "org.freedesktop.systemd1",
3845 "/org/freedesktop/systemd1",
3846 "org.freedesktop.systemd1.Manager",
3847 "RefUnit",
3848 &error,
3849 NULL,
3850 "s", *name);
3851 if (r < 0) {
3852 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3853 if (ret == EXIT_SUCCESS)
3854 ret = r;
3855 continue;
3856 }
3857 }
3858
3859 r = sd_bus_message_new_method_call(
3860 bus,
3861 &m,
3862 "org.freedesktop.systemd1",
3863 "/org/freedesktop/systemd1",
3864 "org.freedesktop.systemd1.Manager",
3865 "CleanUnit");
3866 if (r < 0)
3867 return bus_log_create_error(r);
3868
3869 r = sd_bus_message_append(m, "s", *name);
3870 if (r < 0)
3871 return bus_log_create_error(r);
3872
3873 r = sd_bus_message_append_strv(m, arg_clean_what);
3874 if (r < 0)
3875 return bus_log_create_error(r);
3876
3877 r = sd_bus_call(bus, m, 0, &error, NULL);
3878 if (r < 0) {
3879 log_error_errno(r, "Failed to clean unit %s: %s", *name, bus_error_message(&error, r));
3880 if (ret == EXIT_SUCCESS) {
3881 ret = r;
3882 continue;
3883 }
3884 }
3885
3886 if (w) {
3887 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3888 if (r < 0)
3889 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3890 }
3891 }
3892
3893 r = bus_wait_for_units_run(w);
3894 if (r < 0)
3895 return log_error_errno(r, "Failed to wait for units: %m");
3896 if (r == BUS_WAIT_FAILURE)
3897 ret = EXIT_FAILURE;
3898
3899 return ret;
3900 }
3901
3902 typedef struct ExecStatusInfo {
3903 char *name;
3904
3905 char *path;
3906 char **argv;
3907
3908 bool ignore;
3909
3910 usec_t start_timestamp;
3911 usec_t exit_timestamp;
3912 pid_t pid;
3913 int code;
3914 int status;
3915
3916 ExecCommandFlags flags;
3917
3918 LIST_FIELDS(struct ExecStatusInfo, exec);
3919 } ExecStatusInfo;
3920
3921 static void exec_status_info_free(ExecStatusInfo *i) {
3922 assert(i);
3923
3924 free(i->name);
3925 free(i->path);
3926 strv_free(i->argv);
3927 free(i);
3928 }
3929
3930 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3931 _cleanup_strv_free_ char **ex_opts = NULL;
3932 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3933 const char *path;
3934 uint32_t pid;
3935 int32_t code, status;
3936 int ignore, r;
3937
3938 assert(m);
3939 assert(i);
3940
3941 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3942 if (r < 0)
3943 return bus_log_parse_error(r);
3944 else if (r == 0)
3945 return 0;
3946
3947 r = sd_bus_message_read(m, "s", &path);
3948 if (r < 0)
3949 return bus_log_parse_error(r);
3950
3951 i->path = strdup(path);
3952 if (!i->path)
3953 return log_oom();
3954
3955 r = sd_bus_message_read_strv(m, &i->argv);
3956 if (r < 0)
3957 return bus_log_parse_error(r);
3958
3959 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3960 if (r < 0)
3961 return bus_log_parse_error(r);
3962
3963 r = sd_bus_message_read(m,
3964 "ttttuii",
3965 &start_timestamp, &start_timestamp_monotonic,
3966 &exit_timestamp, &exit_timestamp_monotonic,
3967 &pid,
3968 &code, &status);
3969 if (r < 0)
3970 return bus_log_parse_error(r);
3971
3972 if (is_ex_prop) {
3973 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3974 if (r < 0)
3975 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3976
3977 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3978 } else
3979 i->ignore = ignore;
3980
3981 i->start_timestamp = (usec_t) start_timestamp;
3982 i->exit_timestamp = (usec_t) exit_timestamp;
3983 i->pid = (pid_t) pid;
3984 i->code = code;
3985 i->status = status;
3986
3987 r = sd_bus_message_exit_container(m);
3988 if (r < 0)
3989 return bus_log_parse_error(r);
3990
3991 return 1;
3992 }
3993
3994 typedef struct UnitCondition {
3995 char *name;
3996 char *param;
3997 bool trigger;
3998 bool negate;
3999 int tristate;
4000
4001 LIST_FIELDS(struct UnitCondition, conditions);
4002 } UnitCondition;
4003
4004 static void unit_condition_free(UnitCondition *c) {
4005 if (!c)
4006 return;
4007
4008 free(c->name);
4009 free(c->param);
4010 free(c);
4011 }
4012
4013 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4014
4015 typedef struct UnitStatusInfo {
4016 const char *id;
4017 const char *load_state;
4018 const char *active_state;
4019 const char *sub_state;
4020 const char *unit_file_state;
4021 const char *unit_file_preset;
4022
4023 const char *description;
4024 const char *following;
4025
4026 char **documentation;
4027
4028 const char *fragment_path;
4029 const char *source_path;
4030 const char *control_group;
4031
4032 char **dropin_paths;
4033
4034 const char *load_error;
4035 const char *result;
4036
4037 usec_t inactive_exit_timestamp;
4038 usec_t inactive_exit_timestamp_monotonic;
4039 usec_t active_enter_timestamp;
4040 usec_t active_exit_timestamp;
4041 usec_t inactive_enter_timestamp;
4042
4043 bool need_daemon_reload;
4044 bool transient;
4045
4046 /* Service */
4047 pid_t main_pid;
4048 pid_t control_pid;
4049 const char *status_text;
4050 const char *pid_file;
4051 bool running:1;
4052 int status_errno;
4053
4054 usec_t start_timestamp;
4055 usec_t exit_timestamp;
4056
4057 int exit_code, exit_status;
4058
4059 usec_t condition_timestamp;
4060 bool condition_result;
4061 LIST_HEAD(UnitCondition, conditions);
4062
4063 usec_t assert_timestamp;
4064 bool assert_result;
4065 bool failed_assert_trigger;
4066 bool failed_assert_negate;
4067 const char *failed_assert;
4068 const char *failed_assert_parameter;
4069 usec_t next_elapse_real;
4070 usec_t next_elapse_monotonic;
4071
4072 /* Socket */
4073 unsigned n_accepted;
4074 unsigned n_connections;
4075 unsigned n_refused;
4076 bool accept;
4077
4078 /* Pairs of type, path */
4079 char **listen;
4080
4081 /* Device */
4082 const char *sysfs_path;
4083
4084 /* Mount, Automount */
4085 const char *where;
4086
4087 /* Swap */
4088 const char *what;
4089
4090 /* CGroup */
4091 uint64_t memory_current;
4092 uint64_t memory_min;
4093 uint64_t memory_low;
4094 uint64_t memory_high;
4095 uint64_t memory_max;
4096 uint64_t memory_swap_max;
4097 uint64_t memory_limit;
4098 uint64_t cpu_usage_nsec;
4099 uint64_t tasks_current;
4100 uint64_t tasks_max;
4101 uint64_t ip_ingress_bytes;
4102 uint64_t ip_egress_bytes;
4103 uint64_t io_read_bytes;
4104 uint64_t io_write_bytes;
4105
4106 uint64_t default_memory_min;
4107 uint64_t default_memory_low;
4108
4109 LIST_HEAD(ExecStatusInfo, exec);
4110 } UnitStatusInfo;
4111
4112 static void unit_status_info_free(UnitStatusInfo *info) {
4113 ExecStatusInfo *p;
4114 UnitCondition *c;
4115
4116 strv_free(info->documentation);
4117 strv_free(info->dropin_paths);
4118 strv_free(info->listen);
4119
4120 while ((c = info->conditions)) {
4121 LIST_REMOVE(conditions, info->conditions, c);
4122 unit_condition_free(c);
4123 }
4124
4125 while ((p = info->exec)) {
4126 LIST_REMOVE(exec, info->exec, p);
4127 exec_status_info_free(p);
4128 }
4129 }
4130
4131 static void print_status_info(
4132 sd_bus *bus,
4133 UnitStatusInfo *i,
4134 bool *ellipsized) {
4135
4136 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4137 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4138 _cleanup_free_ char *formatted_path = NULL;
4139 ExecStatusInfo *p;
4140 usec_t timestamp;
4141 const char *path;
4142 char **t, **t2;
4143 int r;
4144
4145 assert(i);
4146
4147 /* This shows pretty information about a unit. See
4148 * print_property() for a low-level property printer */
4149
4150 if (streq_ptr(i->active_state, "failed")) {
4151 active_on = ansi_highlight_red();
4152 active_off = ansi_normal();
4153 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4154 active_on = ansi_highlight_green();
4155 active_off = ansi_normal();
4156 } else
4157 active_on = active_off = "";
4158
4159 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4160
4161 if (i->description && !streq_ptr(i->id, i->description))
4162 printf(" - %s", i->description);
4163
4164 printf("\n");
4165
4166 if (i->following)
4167 printf(" Follow: unit currently follows state of %s\n", i->following);
4168
4169 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4170 on = ansi_highlight_red();
4171 off = ansi_normal();
4172 } else
4173 on = off = "";
4174
4175 path = i->source_path ?: i->fragment_path;
4176 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4177 path = formatted_path;
4178
4179 if (!isempty(i->load_error))
4180 printf(" Loaded: %s%s%s (Reason: %s)\n",
4181 on, strna(i->load_state), off, i->load_error);
4182 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4183 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4184 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4185 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4186 else if (path && !isempty(i->unit_file_state))
4187 printf(" Loaded: %s%s%s (%s; %s)\n",
4188 on, strna(i->load_state), off, path, i->unit_file_state);
4189 else if (path)
4190 printf(" Loaded: %s%s%s (%s)\n",
4191 on, strna(i->load_state), off, path);
4192 else
4193 printf(" Loaded: %s%s%s\n",
4194 on, strna(i->load_state), off);
4195
4196 if (i->transient)
4197 printf("Transient: yes\n");
4198
4199 if (!strv_isempty(i->dropin_paths)) {
4200 _cleanup_free_ char *dir = NULL;
4201 bool last = false;
4202 char ** dropin;
4203
4204 STRV_FOREACH(dropin, i->dropin_paths) {
4205 _cleanup_free_ char *dropin_formatted = NULL;
4206 const char *df;
4207
4208 if (!dir || last) {
4209 printf(dir ? " " :
4210 " Drop-In: ");
4211
4212 dir = mfree(dir);
4213
4214 dir = dirname_malloc(*dropin);
4215 if (!dir) {
4216 log_oom();
4217 return;
4218 }
4219
4220 printf("%s\n"
4221 " %s", dir,
4222 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4223 }
4224
4225 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4226
4227 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4228 df = dropin_formatted;
4229 else
4230 df = *dropin;
4231
4232 printf("%s%s", df, last ? "\n" : ", ");
4233 }
4234 }
4235
4236 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4237 if (ss)
4238 printf(" Active: %s%s (%s)%s",
4239 active_on, strna(i->active_state), ss, active_off);
4240 else
4241 printf(" Active: %s%s%s",
4242 active_on, strna(i->active_state), active_off);
4243
4244 if (!isempty(i->result) && !streq(i->result, "success"))
4245 printf(" (Result: %s)", i->result);
4246
4247 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4248 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4249 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4250 i->active_exit_timestamp;
4251
4252 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4253 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4254
4255 if (s1)
4256 printf(" since %s; %s\n", s2, s1);
4257 else if (s2)
4258 printf(" since %s\n", s2);
4259 else
4260 printf("\n");
4261
4262 if (endswith(i->id, ".timer")) {
4263 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4264 tstamp2[FORMAT_TIMESTAMP_MAX];
4265 const char *next_rel_time, *next_time;
4266 dual_timestamp nw, next = {i->next_elapse_real,
4267 i->next_elapse_monotonic};
4268 usec_t next_elapse;
4269
4270 printf(" Trigger: ");
4271
4272 dual_timestamp_get(&nw);
4273 next_elapse = calc_next_elapse(&nw, &next);
4274 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4275 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4276
4277 if (next_time && next_rel_time)
4278 printf("%s; %s\n", next_time, next_rel_time);
4279 else
4280 printf("n/a\n");
4281 }
4282
4283 if (!i->condition_result && i->condition_timestamp > 0) {
4284 UnitCondition *c;
4285 int n = 0;
4286
4287 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4288 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4289
4290 printf("Condition: start %scondition failed%s at %s%s%s\n",
4291 ansi_highlight_yellow(), ansi_normal(),
4292 s2, s1 ? "; " : "", strempty(s1));
4293
4294 LIST_FOREACH(conditions, c, i->conditions)
4295 if (c->tristate < 0)
4296 n++;
4297
4298 LIST_FOREACH(conditions, c, i->conditions)
4299 if (c->tristate < 0)
4300 printf(" %s %s=%s%s%s was not met\n",
4301 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4302 c->name,
4303 c->trigger ? "|" : "",
4304 c->negate ? "!" : "",
4305 c->param);
4306 }
4307
4308 if (!i->assert_result && i->assert_timestamp > 0) {
4309 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4310 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4311
4312 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4313 ansi_highlight_red(), ansi_normal(),
4314 s2, s1 ? "; " : "", strempty(s1));
4315 if (i->failed_assert_trigger)
4316 printf(" none of the trigger assertions were met\n");
4317 else if (i->failed_assert)
4318 printf(" %s=%s%s was not met\n",
4319 i->failed_assert,
4320 i->failed_assert_negate ? "!" : "",
4321 i->failed_assert_parameter);
4322 }
4323
4324 if (i->sysfs_path)
4325 printf(" Device: %s\n", i->sysfs_path);
4326 if (i->where)
4327 printf(" Where: %s\n", i->where);
4328 if (i->what)
4329 printf(" What: %s\n", i->what);
4330
4331 STRV_FOREACH(t, i->documentation) {
4332 _cleanup_free_ char *formatted = NULL;
4333 const char *q;
4334
4335 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4336 q = formatted;
4337 else
4338 q = *t;
4339
4340 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4341 }
4342
4343 STRV_FOREACH_PAIR(t, t2, i->listen)
4344 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4345
4346 if (i->accept) {
4347 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4348 if (i->n_refused)
4349 printf(" Refused: %u", i->n_refused);
4350 printf("\n");
4351 }
4352
4353 LIST_FOREACH(exec, p, i->exec) {
4354 _cleanup_free_ char *argv = NULL;
4355 bool good;
4356
4357 /* Only show exited processes here */
4358 if (p->code == 0)
4359 continue;
4360
4361 /* Don't print ExecXYZEx= properties here since it will appear as a
4362 * duplicate of the non-Ex= variant. */
4363 if (endswith(p->name, "Ex"))
4364 continue;
4365
4366 argv = strv_join(p->argv, " ");
4367 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4368
4369 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4370 if (!good) {
4371 on = ansi_highlight_red();
4372 off = ansi_normal();
4373 } else
4374 on = off = "";
4375
4376 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4377
4378 if (p->code == CLD_EXITED) {
4379 const char *c;
4380
4381 printf("status=%i", p->status);
4382
4383 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4384 if (c)
4385 printf("/%s", c);
4386
4387 } else
4388 printf("signal=%s", signal_to_string(p->status));
4389
4390 printf(")%s\n", off);
4391
4392 if (i->main_pid == p->pid &&
4393 i->start_timestamp == p->start_timestamp &&
4394 i->exit_timestamp == p->start_timestamp)
4395 /* Let's not show this twice */
4396 i->main_pid = 0;
4397
4398 if (p->pid == i->control_pid)
4399 i->control_pid = 0;
4400 }
4401
4402 if (i->main_pid > 0 || i->control_pid > 0) {
4403 if (i->main_pid > 0) {
4404 printf(" Main PID: "PID_FMT, i->main_pid);
4405
4406 if (i->running) {
4407
4408 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4409 _cleanup_free_ char *comm = NULL;
4410
4411 (void) get_process_comm(i->main_pid, &comm);
4412 if (comm)
4413 printf(" (%s)", comm);
4414 }
4415
4416 } else if (i->exit_code > 0) {
4417 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4418
4419 if (i->exit_code == CLD_EXITED) {
4420 const char *c;
4421
4422 printf("status=%i", i->exit_status);
4423
4424 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4425 if (c)
4426 printf("/%s", c);
4427
4428 } else
4429 printf("signal=%s", signal_to_string(i->exit_status));
4430 printf(")");
4431 }
4432 }
4433
4434 if (i->control_pid > 0) {
4435 _cleanup_free_ char *c = NULL;
4436
4437 if (i->main_pid > 0)
4438 fputs("; Control PID: ", stdout);
4439 else
4440 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4441
4442 printf(PID_FMT, i->control_pid);
4443
4444 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4445 (void) get_process_comm(i->control_pid, &c);
4446 if (c)
4447 printf(" (%s)", c);
4448 }
4449 }
4450
4451 printf("\n");
4452 }
4453
4454 if (i->status_text)
4455 printf(" Status: \"%s\"\n", i->status_text);
4456 if (i->status_errno > 0)
4457 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4458
4459 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4460 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4461
4462 printf(" IP: %s in, %s out\n",
4463 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4464 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4465 }
4466
4467 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4468 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4469
4470 printf(" IO: %s read, %s written\n",
4471 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4472 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4473 }
4474
4475 if (i->tasks_current != (uint64_t) -1) {
4476 printf(" Tasks: %" PRIu64, i->tasks_current);
4477
4478 if (i->tasks_max != (uint64_t) -1)
4479 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4480 else
4481 printf("\n");
4482 }
4483
4484 if (i->memory_current != (uint64_t) -1) {
4485 char buf[FORMAT_BYTES_MAX];
4486
4487 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4488
4489 if (i->memory_min > 0 || i->memory_low > 0 ||
4490 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4491 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4492 i->memory_limit != CGROUP_LIMIT_MAX) {
4493 const char *prefix = "";
4494
4495 printf(" (");
4496 if (i->memory_min > 0) {
4497 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4498 prefix = " ";
4499 }
4500 if (i->memory_low > 0) {
4501 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4502 prefix = " ";
4503 }
4504 if (i->memory_high != CGROUP_LIMIT_MAX) {
4505 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4506 prefix = " ";
4507 }
4508 if (i->memory_max != CGROUP_LIMIT_MAX) {
4509 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4510 prefix = " ";
4511 }
4512 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4513 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4514 prefix = " ";
4515 }
4516 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4517 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4518 prefix = " ";
4519 }
4520 printf(")");
4521 }
4522 printf("\n");
4523 }
4524
4525 if (i->cpu_usage_nsec != (uint64_t) -1) {
4526 char buf[FORMAT_TIMESPAN_MAX];
4527 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4528 }
4529
4530 if (i->control_group) {
4531 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4532 static const char prefix[] = " ";
4533 unsigned c;
4534
4535 printf(" CGroup: %s\n", i->control_group);
4536
4537 c = columns();
4538 if (c > sizeof(prefix) - 1)
4539 c -= sizeof(prefix) - 1;
4540 else
4541 c = 0;
4542
4543 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4544 if (r == -EBADR) {
4545 unsigned k = 0;
4546 pid_t extra[2];
4547
4548 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4549
4550 if (i->main_pid > 0)
4551 extra[k++] = i->main_pid;
4552
4553 if (i->control_pid > 0)
4554 extra[k++] = i->control_pid;
4555
4556 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4557 } else if (r < 0)
4558 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4559 i->id, bus_error_message(&error, r));
4560 }
4561
4562 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4563 show_journal_by_unit(
4564 stdout,
4565 i->id,
4566 arg_output,
4567 0,
4568 i->inactive_exit_timestamp_monotonic,
4569 arg_lines,
4570 getuid(),
4571 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4572 SD_JOURNAL_LOCAL_ONLY,
4573 arg_scope == UNIT_FILE_SYSTEM,
4574 ellipsized);
4575
4576 if (i->need_daemon_reload)
4577 warn_unit_file_changed(i->id);
4578 }
4579
4580 static void show_unit_help(UnitStatusInfo *i) {
4581 char **p;
4582
4583 assert(i);
4584
4585 if (!i->documentation) {
4586 log_info("Documentation for %s not known.", i->id);
4587 return;
4588 }
4589
4590 STRV_FOREACH(p, i->documentation)
4591 if (startswith(*p, "man:"))
4592 show_man_page(*p + 4, false);
4593 else
4594 log_info("Can't show: %s", *p);
4595 }
4596
4597 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4598 UnitStatusInfo *i = userdata;
4599 uint32_t u;
4600 int r;
4601
4602 r = sd_bus_message_read(m, "u", &u);
4603 if (r < 0)
4604 return r;
4605
4606 i->main_pid = (pid_t) u;
4607 i->running = u > 0;
4608
4609 return 0;
4610 }
4611
4612 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4613 const char *message, **p = userdata;
4614 int r;
4615
4616 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4617 if (r < 0)
4618 return r;
4619
4620 if (!isempty(message))
4621 *p = message;
4622
4623 return 0;
4624 }
4625
4626 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4627 const char *type, *path;
4628 char ***p = userdata;
4629 int r;
4630
4631 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4632 if (r < 0)
4633 return r;
4634
4635 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4636
4637 r = strv_extend(p, type);
4638 if (r < 0)
4639 return r;
4640
4641 r = strv_extend(p, path);
4642 if (r < 0)
4643 return r;
4644 }
4645 if (r < 0)
4646 return r;
4647
4648 r = sd_bus_message_exit_container(m);
4649 if (r < 0)
4650 return r;
4651
4652 return 0;
4653 }
4654
4655 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4656 UnitStatusInfo *i = userdata;
4657 const char *cond, *param;
4658 int trigger, negate;
4659 int32_t state;
4660 int r;
4661
4662 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4663 if (r < 0)
4664 return r;
4665
4666 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4667 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4668
4669 c = new(UnitCondition, 1);
4670 if (!c)
4671 return -ENOMEM;
4672
4673 *c = (UnitCondition) {
4674 .name = strdup(cond),
4675 .param = strdup(param),
4676 .trigger = trigger,
4677 .negate = negate,
4678 .tristate = state,
4679 };
4680
4681 if (!c->name || !c->param)
4682 return -ENOMEM;
4683
4684 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4685 }
4686 if (r < 0)
4687 return r;
4688
4689 r = sd_bus_message_exit_container(m);
4690 if (r < 0)
4691 return r;
4692
4693 return 0;
4694 }
4695
4696 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4697 UnitStatusInfo *i = userdata;
4698 const char *cond, *param;
4699 int trigger, negate;
4700 int32_t state;
4701 int r;
4702
4703 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4704 if (r < 0)
4705 return r;
4706
4707 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4708 if (state < 0 && (!trigger || !i->failed_assert)) {
4709 i->failed_assert = cond;
4710 i->failed_assert_trigger = trigger;
4711 i->failed_assert_negate = negate;
4712 i->failed_assert_parameter = param;
4713 }
4714 }
4715 if (r < 0)
4716 return r;
4717
4718 r = sd_bus_message_exit_container(m);
4719 if (r < 0)
4720 return r;
4721
4722 return 0;
4723 }
4724
4725 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4726 _cleanup_free_ ExecStatusInfo *info = NULL;
4727 ExecStatusInfo *last;
4728 UnitStatusInfo *i = userdata;
4729 bool is_ex_prop = endswith(member, "Ex");
4730 int r;
4731
4732 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4733 if (r < 0)
4734 return r;
4735
4736 info = new0(ExecStatusInfo, 1);
4737 if (!info)
4738 return -ENOMEM;
4739
4740 LIST_FIND_TAIL(exec, i->exec, last);
4741
4742 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4743
4744 info->name = strdup(member);
4745 if (!info->name)
4746 return -ENOMEM;
4747
4748 LIST_INSERT_AFTER(exec, i->exec, last, info);
4749 last = info;
4750
4751 info = new0(ExecStatusInfo, 1);
4752 if (!info)
4753 return -ENOMEM;
4754 }
4755 if (r < 0)
4756 return r;
4757
4758 r = sd_bus_message_exit_container(m);
4759 if (r < 0)
4760 return r;
4761
4762 return 0;
4763 }
4764
4765 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4766 char bus_type;
4767 const char *contents;
4768 int r;
4769
4770 assert(name);
4771 assert(m);
4772
4773 /* This is a low-level property printer, see
4774 * print_status_info() for the nicer output */
4775
4776 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4777 if (r < 0)
4778 return r;
4779
4780 switch (bus_type) {
4781
4782 case SD_BUS_TYPE_INT32:
4783 if (endswith(name, "ActionExitStatus")) {
4784 int32_t i;
4785
4786 r = sd_bus_message_read_basic(m, bus_type, &i);
4787 if (r < 0)
4788 return r;
4789
4790 if (i >= 0 && i <= 255)
4791 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4792 else if (all)
4793 bus_print_property_value(name, expected_value, value, "[not set]");
4794
4795 return 1;
4796 } else if (streq(name, "NUMAPolicy")) {
4797 int32_t i;
4798
4799 r = sd_bus_message_read_basic(m, bus_type, &i);
4800 if (r < 0)
4801 return r;
4802
4803 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4804
4805 return 1;
4806 }
4807 break;
4808
4809 case SD_BUS_TYPE_STRUCT:
4810
4811 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4812 uint32_t u;
4813
4814 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4815 if (r < 0)
4816 return bus_log_parse_error(r);
4817
4818 if (u > 0)
4819 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4820 else if (all)
4821 bus_print_property_value(name, expected_value, value, "");
4822
4823 return 1;
4824
4825 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4826 const char *s;
4827
4828 r = sd_bus_message_read(m, "(so)", &s, NULL);
4829 if (r < 0)
4830 return bus_log_parse_error(r);
4831
4832 if (all || !isempty(s))
4833 bus_print_property_value(name, expected_value, value, s);
4834
4835 return 1;
4836
4837 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4838 const char *a = NULL, *b = NULL;
4839
4840 r = sd_bus_message_read(m, "(ss)", &a, &b);
4841 if (r < 0)
4842 return bus_log_parse_error(r);
4843
4844 if (!isempty(a) || !isempty(b))
4845 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4846 else if (all)
4847 bus_print_property_value(name, expected_value, value, "");
4848
4849 return 1;
4850
4851 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4852 _cleanup_strv_free_ char **l = NULL;
4853 int whitelist;
4854
4855 r = sd_bus_message_enter_container(m, 'r', "bas");
4856 if (r < 0)
4857 return bus_log_parse_error(r);
4858
4859 r = sd_bus_message_read(m, "b", &whitelist);
4860 if (r < 0)
4861 return bus_log_parse_error(r);
4862
4863 r = sd_bus_message_read_strv(m, &l);
4864 if (r < 0)
4865 return bus_log_parse_error(r);
4866
4867 r = sd_bus_message_exit_container(m);
4868 if (r < 0)
4869 return bus_log_parse_error(r);
4870
4871 if (all || whitelist || !strv_isempty(l)) {
4872 bool first = true;
4873 char **i;
4874
4875 if (!value) {
4876 fputs(name, stdout);
4877 fputc('=', stdout);
4878 }
4879
4880 if (!whitelist)
4881 fputc('~', stdout);
4882
4883 STRV_FOREACH(i, l) {
4884 if (first)
4885 first = false;
4886 else
4887 fputc(' ', stdout);
4888
4889 fputs(*i, stdout);
4890 }
4891 fputc('\n', stdout);
4892 }
4893
4894 return 1;
4895
4896 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4897 int ignore;
4898 const char *s;
4899
4900 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4901 if (r < 0)
4902 return bus_log_parse_error(r);
4903
4904 if (!isempty(s))
4905 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4906 else if (all)
4907 bus_print_property_value(name, expected_value, value, "");
4908
4909 return 1;
4910
4911 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4912 const int32_t *status, *signal;
4913 size_t sz_status, sz_signal, i;
4914
4915 r = sd_bus_message_enter_container(m, 'r', "aiai");
4916 if (r < 0)
4917 return bus_log_parse_error(r);
4918
4919 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &sz_status);
4920 if (r < 0)
4921 return bus_log_parse_error(r);
4922
4923 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &sz_signal);
4924 if (r < 0)
4925 return bus_log_parse_error(r);
4926
4927 r = sd_bus_message_exit_container(m);
4928 if (r < 0)
4929 return bus_log_parse_error(r);
4930
4931 sz_status /= sizeof(int32_t);
4932 sz_signal /= sizeof(int32_t);
4933
4934 if (all || sz_status > 0 || sz_signal > 0) {
4935 bool first = true;
4936
4937 if (!value) {
4938 fputs(name, stdout);
4939 fputc('=', stdout);
4940 }
4941
4942 for (i = 0; i < sz_status; i++) {
4943 if (status[i] < 0 || status[i] > 255)
4944 continue;
4945
4946 if (first)
4947 first = false;
4948 else
4949 fputc(' ', stdout);
4950
4951 printf("%"PRIi32, status[i]);
4952 }
4953
4954 for (i = 0; i < sz_signal; i++) {
4955 const char *str;
4956
4957 str = signal_to_string((int) signal[i]);
4958 if (!str)
4959 continue;
4960
4961 if (first)
4962 first = false;
4963 else
4964 fputc(' ', stdout);
4965
4966 fputs(str, stdout);
4967 }
4968
4969 fputc('\n', stdout);
4970 }
4971 return 1;
4972 }
4973
4974 break;
4975
4976 case SD_BUS_TYPE_ARRAY:
4977
4978 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4979 const char *path;
4980 int ignore;
4981
4982 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4983 if (r < 0)
4984 return bus_log_parse_error(r);
4985
4986 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4987 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4988
4989 if (r < 0)
4990 return bus_log_parse_error(r);
4991
4992 r = sd_bus_message_exit_container(m);
4993 if (r < 0)
4994 return bus_log_parse_error(r);
4995
4996 return 1;
4997
4998 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4999 const char *type, *path;
5000
5001 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5002 if (r < 0)
5003 return bus_log_parse_error(r);
5004
5005 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5006 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5007 if (r < 0)
5008 return bus_log_parse_error(r);
5009
5010 r = sd_bus_message_exit_container(m);
5011 if (r < 0)
5012 return bus_log_parse_error(r);
5013
5014 return 1;
5015
5016 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5017 const char *type, *path;
5018
5019 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5020 if (r < 0)
5021 return bus_log_parse_error(r);
5022
5023 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5024 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5025 if (r < 0)
5026 return bus_log_parse_error(r);
5027
5028 r = sd_bus_message_exit_container(m);
5029 if (r < 0)
5030 return bus_log_parse_error(r);
5031
5032 return 1;
5033
5034 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5035 const char *base;
5036 uint64_t v, next_elapse;
5037
5038 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5039 if (r < 0)
5040 return bus_log_parse_error(r);
5041
5042 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5043 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5044
5045 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5046 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5047
5048 bus_print_property_valuef(name, expected_value, value,
5049 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5050 }
5051 if (r < 0)
5052 return bus_log_parse_error(r);
5053
5054 r = sd_bus_message_exit_container(m);
5055 if (r < 0)
5056 return bus_log_parse_error(r);
5057
5058 return 1;
5059
5060 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5061 const char *base, *spec;
5062 uint64_t next_elapse;
5063
5064 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5065 if (r < 0)
5066 return bus_log_parse_error(r);
5067
5068 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5069 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5070
5071 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5072 bus_print_property_valuef(name, expected_value, value,
5073 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5074 }
5075 if (r < 0)
5076 return bus_log_parse_error(r);
5077
5078 r = sd_bus_message_exit_container(m);
5079 if (r < 0)
5080 return bus_log_parse_error(r);
5081
5082 return 1;
5083
5084 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5085 ExecStatusInfo info = {};
5086 bool is_ex_prop = endswith(name, "Ex");
5087
5088 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5089 if (r < 0)
5090 return bus_log_parse_error(r);
5091
5092 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5093 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5094 _cleanup_strv_free_ char **optv = NULL;
5095 _cleanup_free_ char *tt, *o = NULL;
5096
5097 tt = strv_join(info.argv, " ");
5098
5099 if (is_ex_prop) {
5100 r = exec_command_flags_to_strv(info.flags, &optv);
5101 if (r < 0)
5102 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5103
5104 o = strv_join(optv, " ");
5105
5106 bus_print_property_valuef(name, expected_value, value,
5107 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5108 strna(info.path),
5109 strna(tt),
5110 strna(o),
5111 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5112 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5113 info.pid,
5114 sigchld_code_to_string(info.code),
5115 info.status,
5116 info.code == CLD_EXITED ? "" : "/",
5117 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5118 } else
5119 bus_print_property_valuef(name, expected_value, value,
5120 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5121 strna(info.path),
5122 strna(tt),
5123 yes_no(info.ignore),
5124 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5125 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5126 info.pid,
5127 sigchld_code_to_string(info.code),
5128 info.status,
5129 info.code == CLD_EXITED ? "" : "/",
5130 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5131
5132 free(info.path);
5133 strv_free(info.argv);
5134 zero(info);
5135 }
5136
5137 r = sd_bus_message_exit_container(m);
5138 if (r < 0)
5139 return bus_log_parse_error(r);
5140
5141 return 1;
5142
5143 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5144 const char *path, *rwm;
5145
5146 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5147 if (r < 0)
5148 return bus_log_parse_error(r);
5149
5150 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5151 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5152 if (r < 0)
5153 return bus_log_parse_error(r);
5154
5155 r = sd_bus_message_exit_container(m);
5156 if (r < 0)
5157 return bus_log_parse_error(r);
5158
5159 return 1;
5160
5161 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5162 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5163 const char *path;
5164 uint64_t weight;
5165
5166 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5167 if (r < 0)
5168 return bus_log_parse_error(r);
5169
5170 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5171 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5172 if (r < 0)
5173 return bus_log_parse_error(r);
5174
5175 r = sd_bus_message_exit_container(m);
5176 if (r < 0)
5177 return bus_log_parse_error(r);
5178
5179 return 1;
5180
5181 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5182 (cgroup_io_limit_type_from_string(name) >= 0 ||
5183 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5184 const char *path;
5185 uint64_t bandwidth;
5186
5187 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5188 if (r < 0)
5189 return bus_log_parse_error(r);
5190
5191 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5192 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5193 if (r < 0)
5194 return bus_log_parse_error(r);
5195
5196 r = sd_bus_message_exit_container(m);
5197 if (r < 0)
5198 return bus_log_parse_error(r);
5199
5200 return 1;
5201
5202 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5203 streq(name, "IODeviceLatencyTargetUSec")) {
5204 char ts[FORMAT_TIMESPAN_MAX];
5205 const char *path;
5206 uint64_t target;
5207
5208 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5209 if (r < 0)
5210 return bus_log_parse_error(r);
5211
5212 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5213 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5214 format_timespan(ts, sizeof(ts), target, 1));
5215 if (r < 0)
5216 return bus_log_parse_error(r);
5217
5218 r = sd_bus_message_exit_container(m);
5219 if (r < 0)
5220 return bus_log_parse_error(r);
5221
5222 return 1;
5223
5224 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5225 _cleanup_free_ char *h = NULL;
5226 const void *p;
5227 size_t sz;
5228 ssize_t n;
5229
5230 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5231 if (r < 0)
5232 return bus_log_parse_error(r);
5233
5234 n = base64mem(p, sz, &h);
5235 if (n < 0)
5236 return log_oom();
5237
5238 bus_print_property_value(name, expected_value, value, h);
5239
5240 return 1;
5241
5242 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5243 _cleanup_free_ char *addresses = NULL;
5244
5245 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5246 if (r < 0)
5247 return bus_log_parse_error(r);
5248
5249 for (;;) {
5250 _cleanup_free_ char *str = NULL;
5251 uint32_t prefixlen;
5252 int32_t family;
5253 const void *ap;
5254 size_t an;
5255
5256 r = sd_bus_message_enter_container(m, 'r', "iayu");
5257 if (r < 0)
5258 return bus_log_parse_error(r);
5259 if (r == 0)
5260 break;
5261
5262 r = sd_bus_message_read(m, "i", &family);
5263 if (r < 0)
5264 return bus_log_parse_error(r);
5265
5266 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5267 if (r < 0)
5268 return bus_log_parse_error(r);
5269
5270 r = sd_bus_message_read(m, "u", &prefixlen);
5271 if (r < 0)
5272 return bus_log_parse_error(r);
5273
5274 r = sd_bus_message_exit_container(m);
5275 if (r < 0)
5276 return bus_log_parse_error(r);
5277
5278 if (!IN_SET(family, AF_INET, AF_INET6))
5279 continue;
5280
5281 if (an != FAMILY_ADDRESS_SIZE(family))
5282 continue;
5283
5284 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5285 continue;
5286
5287 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5288 continue;
5289
5290 if (!strextend_with_separator(&addresses, " ", str, NULL))
5291 return log_oom();
5292 }
5293
5294 r = sd_bus_message_exit_container(m);
5295 if (r < 0)
5296 return bus_log_parse_error(r);
5297
5298 if (all || !isempty(addresses))
5299 bus_print_property_value(name, expected_value, value, strempty(addresses));
5300
5301 return 1;
5302
5303 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5304 _cleanup_free_ char *paths = NULL;
5305 const char *source, *dest;
5306 int ignore_enoent;
5307 uint64_t rbind;
5308
5309 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5310 if (r < 0)
5311 return bus_log_parse_error(r);
5312
5313 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5314 _cleanup_free_ char *str = NULL;
5315
5316 if (isempty(source))
5317 continue;
5318
5319 if (asprintf(&str, "%s%s%s%s%s",
5320 ignore_enoent ? "-" : "",
5321 source,
5322 isempty(dest) ? "" : ":",
5323 strempty(dest),
5324 rbind == MS_REC ? ":rbind" : "") < 0)
5325 return log_oom();
5326
5327 if (!strextend_with_separator(&paths, " ", str, NULL))
5328 return log_oom();
5329 }
5330 if (r < 0)
5331 return bus_log_parse_error(r);
5332
5333 r = sd_bus_message_exit_container(m);
5334 if (r < 0)
5335 return bus_log_parse_error(r);
5336
5337 if (all || !isempty(paths))
5338 bus_print_property_value(name, expected_value, value, strempty(paths));
5339
5340 return 1;
5341
5342 } else if (streq(name, "TemporaryFileSystem")) {
5343 _cleanup_free_ char *paths = NULL;
5344 const char *target, *option;
5345
5346 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5347 if (r < 0)
5348 return bus_log_parse_error(r);
5349
5350 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5351 _cleanup_free_ char *str = NULL;
5352
5353 if (isempty(target))
5354 continue;
5355
5356 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5357 return log_oom();
5358
5359 if (!strextend_with_separator(&paths, " ", str, NULL))
5360 return log_oom();
5361 }
5362 if (r < 0)
5363 return bus_log_parse_error(r);
5364
5365 r = sd_bus_message_exit_container(m);
5366 if (r < 0)
5367 return bus_log_parse_error(r);
5368
5369 if (all || !isempty(paths))
5370 bus_print_property_value(name, expected_value, value, strempty(paths));
5371
5372 return 1;
5373
5374 } else if (streq(name, "LogExtraFields")) {
5375 _cleanup_free_ char *fields = NULL;
5376 const void *p;
5377 size_t sz;
5378
5379 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5380 if (r < 0)
5381 return bus_log_parse_error(r);
5382
5383 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5384 _cleanup_free_ char *str = NULL;
5385 const char *eq;
5386
5387 if (memchr(p, 0, sz))
5388 continue;
5389
5390 eq = memchr(p, '=', sz);
5391 if (!eq)
5392 continue;
5393
5394 if (!journal_field_valid(p, eq - (const char*) p, false))
5395 continue;
5396
5397 str = malloc(sz + 1);
5398 if (!str)
5399 return log_oom();
5400
5401 memcpy(str, p, sz);
5402 str[sz] = '\0';
5403
5404 if (!utf8_is_valid(str))
5405 continue;
5406
5407 if (!strextend_with_separator(&fields, " ", str, NULL))
5408 return log_oom();
5409 }
5410 if (r < 0)
5411 return bus_log_parse_error(r);
5412
5413 r = sd_bus_message_exit_container(m);
5414 if (r < 0)
5415 return bus_log_parse_error(r);
5416
5417 if (all || !isempty(fields))
5418 bus_print_property_value(name, expected_value, value, strempty(fields));
5419
5420 return 1;
5421 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask")) {
5422 _cleanup_free_ char *affinity = NULL;
5423 _cleanup_(cpu_set_reset) CPUSet set = {};
5424 const void *a;
5425 size_t n;
5426
5427 r = sd_bus_message_read_array(m, 'y', &a, &n);
5428 if (r < 0)
5429 return bus_log_parse_error(r);
5430
5431 r = cpu_set_from_dbus(a, n, &set);
5432 if (r < 0)
5433 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5434
5435 affinity = cpu_set_to_range_string(&set);
5436 if (!affinity)
5437 return log_oom();
5438
5439 bus_print_property_value(name, expected_value, value, affinity);
5440
5441 return 1;
5442 }
5443
5444 break;
5445 }
5446
5447 return 0;
5448 }
5449
5450 typedef enum SystemctlShowMode{
5451 SYSTEMCTL_SHOW_PROPERTIES,
5452 SYSTEMCTL_SHOW_STATUS,
5453 SYSTEMCTL_SHOW_HELP,
5454 _SYSTEMCTL_SHOW_MODE_MAX,
5455 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5456 } SystemctlShowMode;
5457
5458 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5459 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5460 [SYSTEMCTL_SHOW_STATUS] = "status",
5461 [SYSTEMCTL_SHOW_HELP] = "help",
5462 };
5463
5464 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5465
5466 static int show_one(
5467 sd_bus *bus,
5468 const char *path,
5469 const char *unit,
5470 SystemctlShowMode show_mode,
5471 bool *new_line,
5472 bool *ellipsized) {
5473
5474 static const struct bus_properties_map property_map[] = {
5475 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5476 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5477 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5478 {}
5479 }, status_map[] = {
5480 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5481 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5482 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5483 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5484 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5485 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5486 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5487 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5488 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5489 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5490 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5491 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5492 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5493 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5494 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5495 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5496 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5497 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5498 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5499 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5500 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5501 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5502 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5503 { "MainPID", "u", map_main_pid, 0 },
5504 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5505 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5506 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5507 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5508 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5509 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5510 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5511 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5512 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5513 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5514 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5515 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5516 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5517 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5518 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5519 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5520 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5521 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5522 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5523 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5524 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5525 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5526 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5527 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5528 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5529 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5530 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5531 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5532 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5533 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5534 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5535 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5536 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5537 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5538 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5539 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5540 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5541 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5542 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5543 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5544 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5545 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5546 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5547 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5548 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5549 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5550 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5551 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5552 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5553 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5554 {}
5555 };
5556
5557 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5558 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5559 _cleanup_set_free_ Set *found_properties = NULL;
5560 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5561 .memory_current = (uint64_t) -1,
5562 .memory_high = CGROUP_LIMIT_MAX,
5563 .memory_max = CGROUP_LIMIT_MAX,
5564 .memory_swap_max = CGROUP_LIMIT_MAX,
5565 .memory_limit = (uint64_t) -1,
5566 .cpu_usage_nsec = (uint64_t) -1,
5567 .tasks_current = (uint64_t) -1,
5568 .tasks_max = (uint64_t) -1,
5569 .ip_ingress_bytes = (uint64_t) -1,
5570 .ip_egress_bytes = (uint64_t) -1,
5571 .io_read_bytes = UINT64_MAX,
5572 .io_write_bytes = UINT64_MAX,
5573 };
5574 char **pp;
5575 int r;
5576
5577 assert(path);
5578 assert(new_line);
5579
5580 log_debug("Showing one %s", path);
5581
5582 r = bus_map_all_properties(
5583 bus,
5584 "org.freedesktop.systemd1",
5585 path,
5586 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5587 BUS_MAP_BOOLEAN_AS_BOOL,
5588 &error,
5589 &reply,
5590 &info);
5591 if (r < 0)
5592 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5593
5594 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5595 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5596 "Unit %s could not be found.", unit);
5597
5598 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5599 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5600 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5601 return -ENOENT;
5602 }
5603
5604 if (*new_line)
5605 printf("\n");
5606
5607 *new_line = true;
5608
5609 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5610 print_status_info(bus, &info, ellipsized);
5611
5612 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5613 return EXIT_PROGRAM_NOT_RUNNING;
5614
5615 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5616
5617 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5618 show_unit_help(&info);
5619 return 0;
5620 }
5621
5622 r = sd_bus_message_rewind(reply, true);
5623 if (r < 0)
5624 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5625
5626 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5627 if (r < 0)
5628 return bus_log_parse_error(r);
5629
5630 STRV_FOREACH(pp, arg_properties)
5631 if (!set_contains(found_properties, *pp))
5632 log_debug("Property %s does not exist.", *pp);
5633
5634 return 0;
5635 }
5636
5637 static int get_unit_dbus_path_by_pid(
5638 sd_bus *bus,
5639 uint32_t pid,
5640 char **unit) {
5641
5642 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5643 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5644 char *u;
5645 int r;
5646
5647 r = sd_bus_call_method(
5648 bus,
5649 "org.freedesktop.systemd1",
5650 "/org/freedesktop/systemd1",
5651 "org.freedesktop.systemd1.Manager",
5652 "GetUnitByPID",
5653 &error,
5654 &reply,
5655 "u", pid);
5656 if (r < 0)
5657 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5658
5659 r = sd_bus_message_read(reply, "o", &u);
5660 if (r < 0)
5661 return bus_log_parse_error(r);
5662
5663 u = strdup(u);
5664 if (!u)
5665 return log_oom();
5666
5667 *unit = u;
5668 return 0;
5669 }
5670
5671 static int show_all(
5672 sd_bus *bus,
5673 bool *new_line,
5674 bool *ellipsized) {
5675
5676 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5677 _cleanup_free_ UnitInfo *unit_infos = NULL;
5678 const UnitInfo *u;
5679 unsigned c;
5680 int r, ret = 0;
5681
5682 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5683 if (r < 0)
5684 return r;
5685
5686 (void) pager_open(arg_pager_flags);
5687
5688 c = (unsigned) r;
5689
5690 typesafe_qsort(unit_infos, c, compare_unit_info);
5691
5692 for (u = unit_infos; u < unit_infos + c; u++) {
5693 _cleanup_free_ char *p = NULL;
5694
5695 p = unit_dbus_path_from_name(u->id);
5696 if (!p)
5697 return log_oom();
5698
5699 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5700 if (r < 0)
5701 return r;
5702 else if (r > 0 && ret == 0)
5703 ret = r;
5704 }
5705
5706 return ret;
5707 }
5708
5709 static int show_system_status(sd_bus *bus) {
5710 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5711 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5712 _cleanup_(machine_info_clear) struct machine_info mi = {};
5713 _cleanup_free_ char *hn = NULL;
5714 const char *on, *off;
5715 int r;
5716
5717 hn = gethostname_malloc();
5718 if (!hn)
5719 return log_oom();
5720
5721 r = bus_map_all_properties(
5722 bus,
5723 "org.freedesktop.systemd1",
5724 "/org/freedesktop/systemd1",
5725 machine_info_property_map,
5726 BUS_MAP_STRDUP,
5727 &error,
5728 NULL,
5729 &mi);
5730 if (r < 0)
5731 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5732
5733 if (streq_ptr(mi.state, "degraded")) {
5734 on = ansi_highlight_red();
5735 off = ansi_normal();
5736 } else if (streq_ptr(mi.state, "running")) {
5737 on = ansi_highlight_green();
5738 off = ansi_normal();
5739 } else {
5740 on = ansi_highlight_yellow();
5741 off = ansi_normal();
5742 }
5743
5744 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5745
5746 printf(" State: %s%s%s\n",
5747 on, strna(mi.state), off);
5748
5749 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5750 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5751
5752 printf(" Since: %s; %s\n",
5753 format_timestamp(since2, sizeof(since2), mi.timestamp),
5754 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5755
5756 printf(" CGroup: %s\n", mi.control_group ?: "/");
5757 if (IN_SET(arg_transport,
5758 BUS_TRANSPORT_LOCAL,
5759 BUS_TRANSPORT_MACHINE)) {
5760 static const char prefix[] = " ";
5761 unsigned c;
5762
5763 c = columns();
5764 if (c > sizeof(prefix) - 1)
5765 c -= sizeof(prefix) - 1;
5766 else
5767 c = 0;
5768
5769 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5770 }
5771
5772 return 0;
5773 }
5774
5775 static int show(int argc, char *argv[], void *userdata) {
5776 bool new_line = false, ellipsized = false;
5777 SystemctlShowMode show_mode;
5778 int r, ret = 0;
5779 sd_bus *bus;
5780
5781 assert(argv);
5782
5783 show_mode = systemctl_show_mode_from_string(argv[0]);
5784 if (show_mode < 0)
5785 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5786 "Invalid argument.");
5787
5788 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5789 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5790 "This command expects one or more unit names. Did you mean --help?");
5791
5792 r = acquire_bus(BUS_MANAGER, &bus);
5793 if (r < 0)
5794 return r;
5795
5796 (void) pager_open(arg_pager_flags);
5797
5798 /* If no argument is specified inspect the manager itself */
5799 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5800 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5801
5802 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5803
5804 show_system_status(bus);
5805 new_line = true;
5806
5807 if (arg_all)
5808 ret = show_all(bus, &new_line, &ellipsized);
5809 } else {
5810 _cleanup_free_ char **patterns = NULL;
5811 char **name;
5812
5813 STRV_FOREACH(name, strv_skip(argv, 1)) {
5814 _cleanup_free_ char *path = NULL, *unit = NULL;
5815 uint32_t id;
5816
5817 if (safe_atou32(*name, &id) < 0) {
5818 if (strv_push(&patterns, *name) < 0)
5819 return log_oom();
5820
5821 continue;
5822 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5823 /* Interpret as job id */
5824 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5825 return log_oom();
5826
5827 } else {
5828 /* Interpret as PID */
5829 r = get_unit_dbus_path_by_pid(bus, id, &path);
5830 if (r < 0) {
5831 ret = r;
5832 continue;
5833 }
5834
5835 r = unit_name_from_dbus_path(path, &unit);
5836 if (r < 0)
5837 return log_oom();
5838 }
5839
5840 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5841 if (r < 0)
5842 return r;
5843 else if (r > 0 && ret == 0)
5844 ret = r;
5845 }
5846
5847 if (!strv_isempty(patterns)) {
5848 _cleanup_strv_free_ char **names = NULL;
5849
5850 r = expand_names(bus, patterns, NULL, &names);
5851 if (r < 0)
5852 return log_error_errno(r, "Failed to expand names: %m");
5853
5854 STRV_FOREACH(name, names) {
5855 _cleanup_free_ char *path;
5856
5857 path = unit_dbus_path_from_name(*name);
5858 if (!path)
5859 return log_oom();
5860
5861 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5862 if (r < 0)
5863 return r;
5864 if (r > 0 && ret == 0)
5865 ret = r;
5866 }
5867 }
5868 }
5869
5870 if (ellipsized && !arg_quiet)
5871 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5872
5873 return ret;
5874 }
5875
5876 static int cat(int argc, char *argv[], void *userdata) {
5877 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5878 _cleanup_strv_free_ char **names = NULL;
5879 char **name;
5880 sd_bus *bus;
5881 bool first = true;
5882 int r;
5883
5884 /* Include all units by default - i.e. continue as if the --all
5885 * option was used */
5886 if (strv_isempty(arg_states))
5887 arg_all = true;
5888
5889 if (arg_transport != BUS_TRANSPORT_LOCAL)
5890 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5891
5892 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5893 if (r < 0)
5894 return log_error_errno(r, "Failed to determine unit paths: %m");
5895
5896 r = acquire_bus(BUS_MANAGER, &bus);
5897 if (r < 0)
5898 return r;
5899
5900 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5901 if (r < 0)
5902 return log_error_errno(r, "Failed to expand names: %m");
5903
5904 (void) pager_open(arg_pager_flags);
5905
5906 STRV_FOREACH(name, names) {
5907 _cleanup_free_ char *fragment_path = NULL;
5908 _cleanup_strv_free_ char **dropin_paths = NULL;
5909
5910 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5911 if (r == -ERFKILL) {
5912 printf("%s# Unit %s is masked%s.\n",
5913 ansi_highlight_magenta(),
5914 *name,
5915 ansi_normal());
5916 continue;
5917 }
5918 if (r == -EKEYREJECTED) {
5919 printf("%s# Unit %s could not be loaded.%s\n",
5920 ansi_highlight_magenta(),
5921 *name,
5922 ansi_normal());
5923 continue;
5924 }
5925 if (r < 0)
5926 return r;
5927 if (r == 0)
5928 return -ENOENT;
5929
5930 if (first)
5931 first = false;
5932 else
5933 puts("");
5934
5935 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5936 fprintf(stderr,
5937 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5938 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5939 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5940 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5941 ansi_highlight_red(),
5942 *name,
5943 ansi_highlight_red(),
5944 ansi_highlight_red(),
5945 ansi_highlight_red(),
5946 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5947 ansi_normal());
5948
5949 r = cat_files(fragment_path, dropin_paths, 0);
5950 if (r < 0)
5951 return r;
5952 }
5953
5954 return 0;
5955 }
5956
5957 static int set_property(int argc, char *argv[], void *userdata) {
5958 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5959 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5960 _cleanup_free_ char *n = NULL;
5961 UnitType t;
5962 sd_bus *bus;
5963 int r;
5964
5965 r = acquire_bus(BUS_MANAGER, &bus);
5966 if (r < 0)
5967 return r;
5968
5969 polkit_agent_open_maybe();
5970
5971 r = sd_bus_message_new_method_call(
5972 bus,
5973 &m,
5974 "org.freedesktop.systemd1",
5975 "/org/freedesktop/systemd1",
5976 "org.freedesktop.systemd1.Manager",
5977 "SetUnitProperties");
5978 if (r < 0)
5979 return bus_log_create_error(r);
5980
5981 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5982 if (r < 0)
5983 return log_error_errno(r, "Failed to mangle unit name: %m");
5984
5985 t = unit_name_to_type(n);
5986 if (t < 0)
5987 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
5988
5989 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5990 if (r < 0)
5991 return bus_log_create_error(r);
5992
5993 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5994 if (r < 0)
5995 return bus_log_create_error(r);
5996
5997 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5998 if (r < 0)
5999 return r;
6000
6001 r = sd_bus_message_close_container(m);
6002 if (r < 0)
6003 return bus_log_create_error(r);
6004
6005 r = sd_bus_call(bus, m, 0, &error, NULL);
6006 if (r < 0)
6007 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
6008
6009 return 0;
6010 }
6011
6012 static int daemon_reload(int argc, char *argv[], void *userdata) {
6013 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6014 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6015 const char *method;
6016 sd_bus *bus;
6017 int r;
6018
6019 r = acquire_bus(BUS_MANAGER, &bus);
6020 if (r < 0)
6021 return r;
6022
6023 polkit_agent_open_maybe();
6024
6025 switch (arg_action) {
6026
6027 case ACTION_RELOAD:
6028 method = "Reload";
6029 break;
6030
6031 case ACTION_REEXEC:
6032 method = "Reexecute";
6033 break;
6034
6035 case ACTION_SYSTEMCTL:
6036 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6037 /* "daemon-reload" */ "Reload";
6038 break;
6039
6040 default:
6041 assert_not_reached("Unexpected action");
6042 }
6043
6044 r = sd_bus_message_new_method_call(
6045 bus,
6046 &m,
6047 "org.freedesktop.systemd1",
6048 "/org/freedesktop/systemd1",
6049 "org.freedesktop.systemd1.Manager",
6050 method);
6051 if (r < 0)
6052 return bus_log_create_error(r);
6053
6054 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6055 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6056 * their timeout, and for everything else there's the same time budget in place. */
6057
6058 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6059
6060 /* On reexecution, we expect a disconnect, not a reply */
6061 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6062 r = 0;
6063
6064 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6065 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6066
6067 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6068 * old ways of doing things, hence don't log any error in that case here. */
6069
6070 return r < 0 ? r : 0;
6071 }
6072
6073 static int trivial_method(int argc, char *argv[], void *userdata) {
6074 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6075 const char *method;
6076 sd_bus *bus;
6077 int r;
6078
6079 if (arg_dry_run)
6080 return 0;
6081
6082 r = acquire_bus(BUS_MANAGER, &bus);
6083 if (r < 0)
6084 return r;
6085
6086 polkit_agent_open_maybe();
6087
6088 method =
6089 streq(argv[0], "clear-jobs") ||
6090 streq(argv[0], "cancel") ? "ClearJobs" :
6091 streq(argv[0], "reset-failed") ? "ResetFailed" :
6092 streq(argv[0], "halt") ? "Halt" :
6093 streq(argv[0], "reboot") ? "Reboot" :
6094 streq(argv[0], "kexec") ? "KExec" :
6095 streq(argv[0], "exit") ? "Exit" :
6096 /* poweroff */ "PowerOff";
6097
6098 r = sd_bus_call_method(
6099 bus,
6100 "org.freedesktop.systemd1",
6101 "/org/freedesktop/systemd1",
6102 "org.freedesktop.systemd1.Manager",
6103 method,
6104 &error,
6105 NULL,
6106 NULL);
6107 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6108 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6109
6110 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6111 * old ways of doing things, hence don't log any error in that case here. */
6112
6113 return r < 0 ? r : 0;
6114 }
6115
6116 static int reset_failed(int argc, char *argv[], void *userdata) {
6117 _cleanup_strv_free_ char **names = NULL;
6118 sd_bus *bus;
6119 char **name;
6120 int r, q;
6121
6122 if (argc <= 1)
6123 return trivial_method(argc, argv, userdata);
6124
6125 r = acquire_bus(BUS_MANAGER, &bus);
6126 if (r < 0)
6127 return r;
6128
6129 polkit_agent_open_maybe();
6130
6131 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6132 if (r < 0)
6133 return log_error_errno(r, "Failed to expand names: %m");
6134
6135 STRV_FOREACH(name, names) {
6136 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6137
6138 q = sd_bus_call_method(
6139 bus,
6140 "org.freedesktop.systemd1",
6141 "/org/freedesktop/systemd1",
6142 "org.freedesktop.systemd1.Manager",
6143 "ResetFailedUnit",
6144 &error,
6145 NULL,
6146 "s", *name);
6147 if (q < 0) {
6148 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6149 if (r == 0)
6150 r = q;
6151 }
6152 }
6153
6154 return r;
6155 }
6156
6157 static int print_variable(const char *s) {
6158 const char *sep;
6159 _cleanup_free_ char *esc = NULL;
6160
6161 sep = strchr(s, '=');
6162 if (!sep)
6163 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6164 "Invalid environment block");
6165
6166 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6167 if (!esc)
6168 return log_oom();
6169
6170 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6171 return 0;
6172 }
6173
6174 static int show_environment(int argc, char *argv[], void *userdata) {
6175 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6176 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6177 const char *text;
6178 sd_bus *bus;
6179 int r;
6180
6181 r = acquire_bus(BUS_MANAGER, &bus);
6182 if (r < 0)
6183 return r;
6184
6185 (void) pager_open(arg_pager_flags);
6186
6187 r = sd_bus_get_property(
6188 bus,
6189 "org.freedesktop.systemd1",
6190 "/org/freedesktop/systemd1",
6191 "org.freedesktop.systemd1.Manager",
6192 "Environment",
6193 &error,
6194 &reply,
6195 "as");
6196 if (r < 0)
6197 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6198
6199 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6200 if (r < 0)
6201 return bus_log_parse_error(r);
6202
6203 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6204 r = print_variable(text);
6205 if (r < 0)
6206 return r;
6207 }
6208 if (r < 0)
6209 return bus_log_parse_error(r);
6210
6211 r = sd_bus_message_exit_container(reply);
6212 if (r < 0)
6213 return bus_log_parse_error(r);
6214
6215 return 0;
6216 }
6217
6218 static int switch_root(int argc, char *argv[], void *userdata) {
6219 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6220 _cleanup_free_ char *cmdline_init = NULL;
6221 const char *root, *init;
6222 sd_bus *bus;
6223 int r;
6224
6225 if (arg_transport != BUS_TRANSPORT_LOCAL)
6226 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6227
6228 if (argc < 2 || argc > 3)
6229 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6230
6231 root = argv[1];
6232
6233 if (argc >= 3)
6234 init = argv[2];
6235 else {
6236 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6237 if (r < 0)
6238 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6239
6240 init = cmdline_init;
6241 }
6242
6243 init = empty_to_null(init);
6244 if (init) {
6245 const char *root_systemd_path = NULL, *root_init_path = NULL;
6246
6247 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6248 root_init_path = prefix_roota(root, init);
6249
6250 /* If the passed init is actually the same as the
6251 * systemd binary, then let's suppress it. */
6252 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6253 init = NULL;
6254 }
6255
6256 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6257 * would exit with a failure status even though the switch to the new root has succeed. */
6258 assert(saved_argv);
6259 assert(saved_argv[0]);
6260 saved_argv[0][0] = '@';
6261
6262 r = acquire_bus(BUS_MANAGER, &bus);
6263 if (r < 0)
6264 return r;
6265
6266 /* If we are slow to exit after the root switch, the new systemd instance
6267 * will send us a signal to terminate. Just ignore it and exit normally.
6268 * This way the unit does not end up as failed.
6269 */
6270 r = ignore_signals(SIGTERM, -1);
6271 if (r < 0)
6272 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6273
6274 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6275
6276 r = sd_bus_call_method(
6277 bus,
6278 "org.freedesktop.systemd1",
6279 "/org/freedesktop/systemd1",
6280 "org.freedesktop.systemd1.Manager",
6281 "SwitchRoot",
6282 &error,
6283 NULL,
6284 "ss", root, init);
6285 if (r < 0) {
6286 (void) default_signals(SIGTERM, -1);
6287
6288 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6289 }
6290
6291 return 0;
6292 }
6293
6294 static int set_environment(int argc, char *argv[], void *userdata) {
6295 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6296 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6297 const char *method;
6298 sd_bus *bus;
6299 int r;
6300
6301 assert(argc > 1);
6302 assert(argv);
6303
6304 r = acquire_bus(BUS_MANAGER, &bus);
6305 if (r < 0)
6306 return r;
6307
6308 polkit_agent_open_maybe();
6309
6310 method = streq(argv[0], "set-environment")
6311 ? "SetEnvironment"
6312 : "UnsetEnvironment";
6313
6314 r = sd_bus_message_new_method_call(
6315 bus,
6316 &m,
6317 "org.freedesktop.systemd1",
6318 "/org/freedesktop/systemd1",
6319 "org.freedesktop.systemd1.Manager",
6320 method);
6321 if (r < 0)
6322 return bus_log_create_error(r);
6323
6324 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6325 if (r < 0)
6326 return bus_log_create_error(r);
6327
6328 r = sd_bus_call(bus, m, 0, &error, NULL);
6329 if (r < 0)
6330 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6331
6332 return 0;
6333 }
6334
6335 static int import_environment(int argc, char *argv[], void *userdata) {
6336 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6337 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6338 sd_bus *bus;
6339 int r;
6340
6341 r = acquire_bus(BUS_MANAGER, &bus);
6342 if (r < 0)
6343 return r;
6344
6345 polkit_agent_open_maybe();
6346
6347 r = sd_bus_message_new_method_call(
6348 bus,
6349 &m,
6350 "org.freedesktop.systemd1",
6351 "/org/freedesktop/systemd1",
6352 "org.freedesktop.systemd1.Manager",
6353 "SetEnvironment");
6354 if (r < 0)
6355 return bus_log_create_error(r);
6356
6357 if (argc < 2)
6358 r = sd_bus_message_append_strv(m, environ);
6359 else {
6360 char **a, **b;
6361
6362 r = sd_bus_message_open_container(m, 'a', "s");
6363 if (r < 0)
6364 return bus_log_create_error(r);
6365
6366 STRV_FOREACH(a, strv_skip(argv, 1)) {
6367
6368 if (!env_name_is_valid(*a))
6369 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6370
6371 STRV_FOREACH(b, environ) {
6372 const char *eq;
6373
6374 eq = startswith(*b, *a);
6375 if (eq && *eq == '=') {
6376
6377 r = sd_bus_message_append(m, "s", *b);
6378 if (r < 0)
6379 return bus_log_create_error(r);
6380
6381 break;
6382 }
6383 }
6384 }
6385
6386 r = sd_bus_message_close_container(m);
6387 }
6388 if (r < 0)
6389 return bus_log_create_error(r);
6390
6391 r = sd_bus_call(bus, m, 0, &error, NULL);
6392 if (r < 0)
6393 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6394
6395 return 0;
6396 }
6397
6398 static int enable_sysv_units(const char *verb, char **args) {
6399 int r = 0;
6400
6401 #if HAVE_SYSV_COMPAT
6402 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6403 unsigned f = 0;
6404
6405 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6406
6407 if (arg_scope != UNIT_FILE_SYSTEM)
6408 return 0;
6409
6410 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6411 return 0;
6412
6413 if (!STR_IN_SET(verb,
6414 "enable",
6415 "disable",
6416 "is-enabled"))
6417 return 0;
6418
6419 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6420 if (r < 0)
6421 return r;
6422
6423 r = 0;
6424 while (args[f]) {
6425
6426 const char *argv[] = {
6427 ROOTLIBEXECDIR "/systemd-sysv-install",
6428 NULL, /* --root= */
6429 NULL, /* verb */
6430 NULL, /* service */
6431 NULL,
6432 };
6433
6434 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6435 bool found_native = false, found_sysv;
6436 const char *name;
6437 unsigned c = 1;
6438 pid_t pid;
6439 int j;
6440
6441 name = args[f++];
6442
6443 if (!endswith(name, ".service"))
6444 continue;
6445
6446 if (path_is_absolute(name))
6447 continue;
6448
6449 j = unit_file_exists(arg_scope, &paths, name);
6450 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6451 return log_error_errno(j, "Failed to lookup unit file state: %m");
6452 found_native = j != 0;
6453
6454 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6455 * prefer the native unit */
6456 if (found_native && streq(verb, "is-enabled"))
6457 continue;
6458
6459 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6460 if (!p)
6461 return log_oom();
6462
6463 p[strlen(p) - STRLEN(".service")] = 0;
6464 found_sysv = access(p, F_OK) >= 0;
6465 if (!found_sysv)
6466 continue;
6467
6468 if (!arg_quiet) {
6469 if (found_native)
6470 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6471 else
6472 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6473 }
6474
6475 if (!isempty(arg_root)) {
6476 q = strjoin("--root=", arg_root);
6477 if (!q)
6478 return log_oom();
6479
6480 argv[c++] = q;
6481 }
6482
6483 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6484 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6485 v = strdup(verb);
6486 if (!v)
6487 return log_oom();
6488
6489 argv[c++] = v;
6490 argv[c++] = basename(p);
6491 argv[c] = NULL;
6492
6493 l = strv_join((char**)argv, " ");
6494 if (!l)
6495 return log_oom();
6496
6497 if (!arg_quiet)
6498 log_info("Executing: %s", l);
6499
6500 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6501 if (j < 0)
6502 return j;
6503 if (j == 0) {
6504 /* Child */
6505 execv(argv[0], (char**) argv);
6506 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6507 _exit(EXIT_FAILURE);
6508 }
6509
6510 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6511 if (j < 0)
6512 return j;
6513 if (streq(verb, "is-enabled")) {
6514 if (j == EXIT_SUCCESS) {
6515 if (!arg_quiet)
6516 puts("enabled");
6517 r = 1;
6518 } else {
6519 if (!arg_quiet)
6520 puts("disabled");
6521 }
6522
6523 } else if (j != EXIT_SUCCESS)
6524 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6525
6526 if (found_native)
6527 continue;
6528
6529 /* Remove this entry, so that we don't try enabling it as native unit */
6530 assert(f > 0);
6531 f--;
6532 assert(args[f] == name);
6533 strv_remove(args + f, name);
6534 }
6535
6536 #endif
6537 return r;
6538 }
6539
6540 static int mangle_names(char **original_names, char ***mangled_names) {
6541 char **i, **l, **name;
6542 int r;
6543
6544 l = i = new(char*, strv_length(original_names) + 1);
6545 if (!l)
6546 return log_oom();
6547
6548 STRV_FOREACH(name, original_names) {
6549
6550 /* When enabling units qualified path names are OK,
6551 * too, hence allow them explicitly. */
6552
6553 if (is_path(*name)) {
6554 *i = strdup(*name);
6555 if (!*i) {
6556 strv_free(l);
6557 return log_oom();
6558 }
6559 } else {
6560 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6561 if (r < 0) {
6562 *i = NULL;
6563 strv_free(l);
6564 return log_error_errno(r, "Failed to mangle unit name: %m");
6565 }
6566 }
6567
6568 i++;
6569 }
6570
6571 *i = NULL;
6572 *mangled_names = l;
6573
6574 return 0;
6575 }
6576
6577 static int normalize_filenames(char **names) {
6578 char **u;
6579 int r;
6580
6581 STRV_FOREACH(u, names)
6582 if (!path_is_absolute(*u)) {
6583 char* normalized_path;
6584
6585 if (!isempty(arg_root))
6586 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6587 "Non-absolute paths are not allowed when --root is used: %s",
6588 *u);
6589
6590 if (!strchr(*u,'/'))
6591 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6592 "Link argument does contain at least one directory separator: %s",
6593 *u);
6594
6595 r = path_make_absolute_cwd(*u, &normalized_path);
6596 if (r < 0)
6597 return r;
6598
6599 free_and_replace(*u, normalized_path);
6600 }
6601
6602 return 0;
6603 }
6604
6605 static int normalize_names(char **names, bool warn_if_path) {
6606 char **u;
6607 bool was_path = false;
6608
6609 STRV_FOREACH(u, names) {
6610 int r;
6611
6612 if (!is_path(*u))
6613 continue;
6614
6615 r = free_and_strdup(u, basename(*u));
6616 if (r < 0)
6617 return log_error_errno(r, "Failed to normalize unit file path: %m");
6618
6619 was_path = true;
6620 }
6621
6622 if (warn_if_path && was_path)
6623 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6624
6625 return 0;
6626 }
6627
6628 static int unit_exists(LookupPaths *lp, const char *unit) {
6629 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6630 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6631 _cleanup_free_ char *path = NULL;
6632 static const struct bus_properties_map property_map[] = {
6633 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6634 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6635 {},
6636 };
6637 UnitStatusInfo info = {};
6638 sd_bus *bus;
6639 int r;
6640
6641 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6642 return unit_find_template_path(unit, lp, NULL, NULL);
6643
6644 path = unit_dbus_path_from_name(unit);
6645 if (!path)
6646 return log_oom();
6647
6648 r = acquire_bus(BUS_MANAGER, &bus);
6649 if (r < 0)
6650 return r;
6651
6652 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6653 if (r < 0)
6654 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6655
6656 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6657 }
6658
6659 static int enable_unit(int argc, char *argv[], void *userdata) {
6660 _cleanup_strv_free_ char **names = NULL;
6661 const char *verb = argv[0];
6662 UnitFileChange *changes = NULL;
6663 size_t n_changes = 0;
6664 int carries_install_info = -1;
6665 bool ignore_carries_install_info = arg_quiet;
6666 int r;
6667
6668 if (!argv[1])
6669 return 0;
6670
6671 r = mangle_names(strv_skip(argv, 1), &names);
6672 if (r < 0)
6673 return r;
6674
6675 r = enable_sysv_units(verb, names);
6676 if (r < 0)
6677 return r;
6678
6679 /* If the operation was fully executed by the SysV compat, let's finish early */
6680 if (strv_isempty(names)) {
6681 if (arg_no_reload || install_client_side())
6682 return 0;
6683 return daemon_reload(argc, argv, userdata);
6684 }
6685
6686 if (streq(verb, "disable")) {
6687 r = normalize_names(names, true);
6688 if (r < 0)
6689 return r;
6690 }
6691
6692 if (streq(verb, "link")) {
6693 r = normalize_filenames(names);
6694 if (r < 0)
6695 return r;
6696 }
6697
6698 if (install_client_side()) {
6699 UnitFileFlags flags;
6700
6701 flags = args_to_flags();
6702 if (streq(verb, "enable")) {
6703 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6704 carries_install_info = r;
6705 } else if (streq(verb, "disable"))
6706 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6707 else if (streq(verb, "reenable")) {
6708 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6709 carries_install_info = r;
6710 } else if (streq(verb, "link"))
6711 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6712 else if (streq(verb, "preset")) {
6713 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6714 } else if (streq(verb, "mask"))
6715 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6716 else if (streq(verb, "unmask"))
6717 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6718 else if (streq(verb, "revert"))
6719 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6720 else
6721 assert_not_reached("Unknown verb");
6722
6723 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6724 if (r < 0)
6725 goto finish;
6726 r = 0;
6727 } else {
6728 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6729 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6730 bool expect_carries_install_info = false;
6731 bool send_runtime = true, send_force = true, send_preset_mode = false;
6732 const char *method;
6733 sd_bus *bus;
6734
6735 if (STR_IN_SET(verb, "mask", "unmask")) {
6736 char **name;
6737 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6738
6739 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6740 if (r < 0)
6741 return r;
6742
6743 STRV_FOREACH(name, names) {
6744 r = unit_exists(&lp, *name);
6745 if (r < 0)
6746 return r;
6747 if (r == 0)
6748 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6749 }
6750 }
6751
6752 r = acquire_bus(BUS_MANAGER, &bus);
6753 if (r < 0)
6754 return r;
6755
6756 polkit_agent_open_maybe();
6757
6758 if (streq(verb, "enable")) {
6759 method = "EnableUnitFiles";
6760 expect_carries_install_info = true;
6761 } else if (streq(verb, "disable")) {
6762 method = "DisableUnitFiles";
6763 send_force = false;
6764 } else if (streq(verb, "reenable")) {
6765 method = "ReenableUnitFiles";
6766 expect_carries_install_info = true;
6767 } else if (streq(verb, "link"))
6768 method = "LinkUnitFiles";
6769 else if (streq(verb, "preset")) {
6770
6771 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6772 method = "PresetUnitFilesWithMode";
6773 send_preset_mode = true;
6774 } else
6775 method = "PresetUnitFiles";
6776
6777 expect_carries_install_info = true;
6778 ignore_carries_install_info = true;
6779 } else if (streq(verb, "mask"))
6780 method = "MaskUnitFiles";
6781 else if (streq(verb, "unmask")) {
6782 method = "UnmaskUnitFiles";
6783 send_force = false;
6784 } else if (streq(verb, "revert")) {
6785 method = "RevertUnitFiles";
6786 send_runtime = send_force = false;
6787 } else
6788 assert_not_reached("Unknown verb");
6789
6790 r = sd_bus_message_new_method_call(
6791 bus,
6792 &m,
6793 "org.freedesktop.systemd1",
6794 "/org/freedesktop/systemd1",
6795 "org.freedesktop.systemd1.Manager",
6796 method);
6797 if (r < 0)
6798 return bus_log_create_error(r);
6799
6800 r = sd_bus_message_append_strv(m, names);
6801 if (r < 0)
6802 return bus_log_create_error(r);
6803
6804 if (send_preset_mode) {
6805 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6806 if (r < 0)
6807 return bus_log_create_error(r);
6808 }
6809
6810 if (send_runtime) {
6811 r = sd_bus_message_append(m, "b", arg_runtime);
6812 if (r < 0)
6813 return bus_log_create_error(r);
6814 }
6815
6816 if (send_force) {
6817 r = sd_bus_message_append(m, "b", arg_force);
6818 if (r < 0)
6819 return bus_log_create_error(r);
6820 }
6821
6822 r = sd_bus_call(bus, m, 0, &error, &reply);
6823 if (r < 0)
6824 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6825
6826 if (expect_carries_install_info) {
6827 r = sd_bus_message_read(reply, "b", &carries_install_info);
6828 if (r < 0)
6829 return bus_log_parse_error(r);
6830 }
6831
6832 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6833 if (r < 0)
6834 goto finish;
6835
6836 /* Try to reload if enabled */
6837 if (!arg_no_reload)
6838 r = daemon_reload(argc, argv, userdata);
6839 else
6840 r = 0;
6841 }
6842
6843 if (carries_install_info == 0 && !ignore_carries_install_info)
6844 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6845 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6846 "units). This means they are not meant to be enabled using systemctl.\n"
6847 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6848 "Possible reasons for having this kind of units are:\n"
6849 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6850 " .wants/ or .requires/ directory.\n"
6851 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6852 " a requirement dependency on it.\n"
6853 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6854 " D-Bus, udev, scripted systemctl call, ...).\n"
6855 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6856 " instance name specified.",
6857 special_glyph(SPECIAL_GLYPH_BULLET));
6858
6859 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6860 sd_bus *bus;
6861 size_t len, i;
6862
6863 r = acquire_bus(BUS_MANAGER, &bus);
6864 if (r < 0)
6865 goto finish;
6866
6867 len = strv_length(names);
6868 {
6869 char *new_args[len + 2];
6870
6871 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6872 for (i = 0; i < len; i++)
6873 new_args[i + 1] = basename(names[i]);
6874 new_args[i + 1] = NULL;
6875
6876 r = start_unit(len + 1, new_args, userdata);
6877 }
6878 }
6879
6880 finish:
6881 unit_file_changes_free(changes, n_changes);
6882
6883 return r;
6884 }
6885
6886 static int add_dependency(int argc, char *argv[], void *userdata) {
6887 _cleanup_strv_free_ char **names = NULL;
6888 _cleanup_free_ char *target = NULL;
6889 const char *verb = argv[0];
6890 UnitFileChange *changes = NULL;
6891 size_t n_changes = 0;
6892 UnitDependency dep;
6893 int r = 0;
6894
6895 if (!argv[1])
6896 return 0;
6897
6898 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6899 if (r < 0)
6900 return log_error_errno(r, "Failed to mangle unit name: %m");
6901
6902 r = mangle_names(strv_skip(argv, 2), &names);
6903 if (r < 0)
6904 return r;
6905
6906 if (streq(verb, "add-wants"))
6907 dep = UNIT_WANTS;
6908 else if (streq(verb, "add-requires"))
6909 dep = UNIT_REQUIRES;
6910 else
6911 assert_not_reached("Unknown verb");
6912
6913 if (install_client_side()) {
6914 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6915 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6916
6917 if (r > 0)
6918 r = 0;
6919 } else {
6920 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6921 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6922 sd_bus *bus;
6923
6924 r = acquire_bus(BUS_MANAGER, &bus);
6925 if (r < 0)
6926 return r;
6927
6928 polkit_agent_open_maybe();
6929
6930 r = sd_bus_message_new_method_call(
6931 bus,
6932 &m,
6933 "org.freedesktop.systemd1",
6934 "/org/freedesktop/systemd1",
6935 "org.freedesktop.systemd1.Manager",
6936 "AddDependencyUnitFiles");
6937 if (r < 0)
6938 return bus_log_create_error(r);
6939
6940 r = sd_bus_message_append_strv(m, names);
6941 if (r < 0)
6942 return bus_log_create_error(r);
6943
6944 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6945 if (r < 0)
6946 return bus_log_create_error(r);
6947
6948 r = sd_bus_call(bus, m, 0, &error, &reply);
6949 if (r < 0)
6950 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6951
6952 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6953 if (r < 0)
6954 goto finish;
6955
6956 if (arg_no_reload) {
6957 r = 0;
6958 goto finish;
6959 }
6960
6961 r = daemon_reload(argc, argv, userdata);
6962 }
6963
6964 finish:
6965 unit_file_changes_free(changes, n_changes);
6966
6967 return r;
6968 }
6969
6970 static int preset_all(int argc, char *argv[], void *userdata) {
6971 UnitFileChange *changes = NULL;
6972 size_t n_changes = 0;
6973 int r;
6974
6975 if (install_client_side()) {
6976 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6977 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6978
6979 if (r > 0)
6980 r = 0;
6981 } else {
6982 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6983 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6984 sd_bus *bus;
6985
6986 r = acquire_bus(BUS_MANAGER, &bus);
6987 if (r < 0)
6988 return r;
6989
6990 polkit_agent_open_maybe();
6991
6992 r = sd_bus_call_method(
6993 bus,
6994 "org.freedesktop.systemd1",
6995 "/org/freedesktop/systemd1",
6996 "org.freedesktop.systemd1.Manager",
6997 "PresetAllUnitFiles",
6998 &error,
6999 &reply,
7000 "sbb",
7001 unit_file_preset_mode_to_string(arg_preset_mode),
7002 arg_runtime,
7003 arg_force);
7004 if (r < 0)
7005 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
7006
7007 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7008 if (r < 0)
7009 goto finish;
7010
7011 if (arg_no_reload) {
7012 r = 0;
7013 goto finish;
7014 }
7015
7016 r = daemon_reload(argc, argv, userdata);
7017 }
7018
7019 finish:
7020 unit_file_changes_free(changes, n_changes);
7021
7022 return r;
7023 }
7024
7025 static int show_installation_targets_client_side(const char *name) {
7026 UnitFileChange *changes = NULL;
7027 size_t n_changes = 0, i;
7028 UnitFileFlags flags;
7029 char **p;
7030 int r;
7031
7032 p = STRV_MAKE(name);
7033 flags = UNIT_FILE_DRY_RUN |
7034 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7035
7036 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7037 if (r < 0)
7038 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7039
7040 for (i = 0; i < n_changes; i++)
7041 if (changes[i].type == UNIT_FILE_UNLINK)
7042 printf(" %s\n", changes[i].path);
7043
7044 return 0;
7045 }
7046
7047 static int show_installation_targets(sd_bus *bus, const char *name) {
7048 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7049 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7050 const char *link;
7051 int r;
7052
7053 r = sd_bus_call_method(
7054 bus,
7055 "org.freedesktop.systemd1",
7056 "/org/freedesktop/systemd1",
7057 "org.freedesktop.systemd1.Manager",
7058 "GetUnitFileLinks",
7059 &error,
7060 &reply,
7061 "sb", name, arg_runtime);
7062 if (r < 0)
7063 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7064
7065 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7066 if (r < 0)
7067 return bus_log_parse_error(r);
7068
7069 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7070 printf(" %s\n", link);
7071
7072 if (r < 0)
7073 return bus_log_parse_error(r);
7074
7075 r = sd_bus_message_exit_container(reply);
7076 if (r < 0)
7077 return bus_log_parse_error(r);
7078
7079 return 0;
7080 }
7081
7082 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7083 _cleanup_strv_free_ char **names = NULL;
7084 bool enabled;
7085 char **name;
7086 int r;
7087
7088 r = mangle_names(strv_skip(argv, 1), &names);
7089 if (r < 0)
7090 return r;
7091
7092 r = enable_sysv_units(argv[0], names);
7093 if (r < 0)
7094 return r;
7095
7096 enabled = r > 0;
7097
7098 if (install_client_side()) {
7099 STRV_FOREACH(name, names) {
7100 UnitFileState state;
7101
7102 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7103 if (r < 0)
7104 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7105
7106 if (IN_SET(state,
7107 UNIT_FILE_ENABLED,
7108 UNIT_FILE_ENABLED_RUNTIME,
7109 UNIT_FILE_STATIC,
7110 UNIT_FILE_INDIRECT,
7111 UNIT_FILE_GENERATED))
7112 enabled = true;
7113
7114 if (!arg_quiet) {
7115 puts(unit_file_state_to_string(state));
7116 if (arg_full) {
7117 r = show_installation_targets_client_side(*name);
7118 if (r < 0)
7119 return r;
7120 }
7121 }
7122 }
7123
7124 r = 0;
7125 } else {
7126 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7127 sd_bus *bus;
7128
7129 r = acquire_bus(BUS_MANAGER, &bus);
7130 if (r < 0)
7131 return r;
7132
7133 STRV_FOREACH(name, names) {
7134 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7135 const char *s;
7136
7137 r = sd_bus_call_method(
7138 bus,
7139 "org.freedesktop.systemd1",
7140 "/org/freedesktop/systemd1",
7141 "org.freedesktop.systemd1.Manager",
7142 "GetUnitFileState",
7143 &error,
7144 &reply,
7145 "s", *name);
7146 if (r < 0)
7147 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7148
7149 r = sd_bus_message_read(reply, "s", &s);
7150 if (r < 0)
7151 return bus_log_parse_error(r);
7152
7153 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7154 enabled = true;
7155
7156 if (!arg_quiet) {
7157 puts(s);
7158 if (arg_full) {
7159 r = show_installation_targets(bus, *name);
7160 if (r < 0)
7161 return r;
7162 }
7163 }
7164 }
7165 }
7166
7167 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7168 }
7169
7170 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7171 char **state = userdata;
7172 int r;
7173
7174 assert(state);
7175
7176 r = sd_bus_get_property_string(
7177 sd_bus_message_get_bus(m),
7178 "org.freedesktop.systemd1",
7179 "/org/freedesktop/systemd1",
7180 "org.freedesktop.systemd1.Manager",
7181 "SystemState",
7182 NULL,
7183 state);
7184
7185 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7186 return 0;
7187 }
7188
7189 static int is_system_running(int argc, char *argv[], void *userdata) {
7190 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7191 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7192 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7193 _cleanup_free_ char *state = NULL;
7194 sd_bus *bus;
7195 int r;
7196
7197 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7198 if (!arg_quiet)
7199 puts("offline");
7200 return EXIT_FAILURE;
7201 }
7202
7203 r = acquire_bus(BUS_MANAGER, &bus);
7204 if (r < 0)
7205 return r;
7206
7207 if (arg_wait) {
7208 r = sd_event_default(&event);
7209 if (r >= 0)
7210 r = sd_bus_attach_event(bus, event, 0);
7211 if (r >= 0)
7212 r = sd_bus_match_signal_async(
7213 bus,
7214 &slot_startup_finished,
7215 "org.freedesktop.systemd1",
7216 "/org/freedesktop/systemd1",
7217 "org.freedesktop.systemd1.Manager",
7218 "StartupFinished",
7219 match_startup_finished, NULL, &state);
7220 if (r < 0) {
7221 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7222 arg_wait = false;
7223 }
7224 }
7225
7226 r = sd_bus_get_property_string(
7227 bus,
7228 "org.freedesktop.systemd1",
7229 "/org/freedesktop/systemd1",
7230 "org.freedesktop.systemd1.Manager",
7231 "SystemState",
7232 &error,
7233 &state);
7234 if (r < 0) {
7235 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7236
7237 if (!arg_quiet)
7238 puts("unknown");
7239 return EXIT_FAILURE;
7240 }
7241
7242 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7243 r = sd_event_loop(event);
7244 if (r < 0) {
7245 log_warning_errno(r, "Failed to get property from event loop: %m");
7246 if (!arg_quiet)
7247 puts("unknown");
7248 return EXIT_FAILURE;
7249 }
7250 }
7251
7252 if (!arg_quiet)
7253 puts(state);
7254
7255 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7256 }
7257
7258 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7259 _cleanup_free_ char *t = NULL;
7260 int r;
7261
7262 assert(new_path);
7263 assert(original_path);
7264 assert(ret_tmp_fn);
7265
7266 r = tempfn_random(new_path, NULL, &t);
7267 if (r < 0)
7268 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7269
7270 r = mkdir_parents(new_path, 0755);
7271 if (r < 0)
7272 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7273
7274 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7275 if (r == -ENOENT) {
7276
7277 r = touch(t);
7278 if (r < 0)
7279 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7280
7281 } else if (r < 0)
7282 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7283
7284 *ret_tmp_fn = TAKE_PTR(t);
7285
7286 return 0;
7287 }
7288
7289 static int get_file_to_edit(
7290 const LookupPaths *paths,
7291 const char *name,
7292 char **ret_path) {
7293
7294 _cleanup_free_ char *path = NULL, *run = NULL;
7295
7296 assert(name);
7297 assert(ret_path);
7298
7299 path = path_join(paths->persistent_config, name);
7300 if (!path)
7301 return log_oom();
7302
7303 if (arg_runtime) {
7304 run = path_join(paths->runtime_config, name);
7305 if (!run)
7306 return log_oom();
7307 }
7308
7309 if (arg_runtime) {
7310 if (access(path, F_OK) >= 0)
7311 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7312 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7313 run, path);
7314
7315 *ret_path = TAKE_PTR(run);
7316 } else
7317 *ret_path = TAKE_PTR(path);
7318
7319 return 0;
7320 }
7321
7322 static int unit_file_create_new(
7323 const LookupPaths *paths,
7324 const char *unit_name,
7325 const char *suffix,
7326 char **ret_new_path,
7327 char **ret_tmp_path) {
7328
7329 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7330 const char *ending;
7331 int r;
7332
7333 assert(unit_name);
7334 assert(ret_new_path);
7335 assert(ret_tmp_path);
7336
7337 ending = strjoina(unit_name, suffix);
7338 r = get_file_to_edit(paths, ending, &new_path);
7339 if (r < 0)
7340 return r;
7341
7342 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7343 if (r < 0)
7344 return r;
7345
7346 *ret_new_path = TAKE_PTR(new_path);
7347 *ret_tmp_path = TAKE_PTR(tmp_path);
7348
7349 return 0;
7350 }
7351
7352 static int unit_file_create_copy(
7353 const LookupPaths *paths,
7354 const char *unit_name,
7355 const char *fragment_path,
7356 char **ret_new_path,
7357 char **ret_tmp_path) {
7358
7359 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7360 int r;
7361
7362 assert(fragment_path);
7363 assert(unit_name);
7364 assert(ret_new_path);
7365 assert(ret_tmp_path);
7366
7367 r = get_file_to_edit(paths, unit_name, &new_path);
7368 if (r < 0)
7369 return r;
7370
7371 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7372 char response;
7373
7374 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7375 if (r < 0)
7376 return r;
7377 if (response != 'y')
7378 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7379 }
7380
7381 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7382 if (r < 0)
7383 return r;
7384
7385 *ret_new_path = TAKE_PTR(new_path);
7386 *ret_tmp_path = TAKE_PTR(tmp_path);
7387
7388 return 0;
7389 }
7390
7391 static int run_editor(char **paths) {
7392 int r;
7393
7394 assert(paths);
7395
7396 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7397 if (r < 0)
7398 return r;
7399 if (r == 0) {
7400 char **editor_args = NULL, **tmp_path, **original_path;
7401 size_t n_editor_args = 0, i = 1, argc;
7402 const char **args, *editor, *p;
7403
7404 argc = strv_length(paths)/2 + 1;
7405
7406 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7407 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7408 * we try to execute well known editors
7409 */
7410 editor = getenv("SYSTEMD_EDITOR");
7411 if (!editor)
7412 editor = getenv("EDITOR");
7413 if (!editor)
7414 editor = getenv("VISUAL");
7415
7416 if (!isempty(editor)) {
7417 editor_args = strv_split(editor, WHITESPACE);
7418 if (!editor_args) {
7419 (void) log_oom();
7420 _exit(EXIT_FAILURE);
7421 }
7422 n_editor_args = strv_length(editor_args);
7423 argc += n_editor_args - 1;
7424 }
7425
7426 args = newa(const char*, argc + 1);
7427
7428 if (n_editor_args > 0) {
7429 args[0] = editor_args[0];
7430 for (; i < n_editor_args; i++)
7431 args[i] = editor_args[i];
7432 }
7433
7434 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7435 args[i++] = *tmp_path;
7436 args[i] = NULL;
7437
7438 if (n_editor_args > 0)
7439 execvp(args[0], (char* const*) args);
7440
7441 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7442 args[0] = p;
7443 execvp(p, (char* const*) args);
7444 /* We do not fail if the editor doesn't exist
7445 * because we want to try each one of them before
7446 * failing.
7447 */
7448 if (errno != ENOENT) {
7449 log_error_errno(errno, "Failed to execute %s: %m", editor);
7450 _exit(EXIT_FAILURE);
7451 }
7452 }
7453
7454 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7455 _exit(EXIT_FAILURE);
7456 }
7457
7458 return 0;
7459 }
7460
7461 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7462 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7463 char **name;
7464 int r;
7465
7466 assert(names);
7467 assert(paths);
7468
7469 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7470 if (r < 0)
7471 return r;
7472
7473 STRV_FOREACH(name, names) {
7474 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7475 const char *unit_name;
7476
7477 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7478 if (r == -EKEYREJECTED) {
7479 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7480 * file path. In that case, find the file client side. */
7481 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7482 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7483 }
7484 if (r == -ERFKILL)
7485 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7486 if (r < 0)
7487 return r;
7488
7489 if (r == 0) {
7490 assert(!path);
7491
7492 if (!arg_force) {
7493 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7494 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7495 arg_scope == UNIT_FILE_USER ? " --user" : "",
7496 *name);
7497 return -ENOENT;
7498 }
7499
7500 /* Create a new unit from scratch */
7501 unit_name = *name;
7502 r = unit_file_create_new(&lp, unit_name,
7503 arg_full ? NULL : ".d/override.conf",
7504 &new_path, &tmp_path);
7505 } else {
7506 assert(path);
7507
7508 unit_name = basename(path);
7509 /* We follow unit aliases, but we need to propagate the instance */
7510 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7511 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7512 _cleanup_free_ char *instance = NULL;
7513
7514 r = unit_name_to_instance(*name, &instance);
7515 if (r < 0)
7516 return r;
7517
7518 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7519 if (r < 0)
7520 return r;
7521
7522 unit_name = tmp_name;
7523 }
7524
7525 if (arg_full)
7526 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7527 else
7528 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7529 }
7530 if (r < 0)
7531 return r;
7532
7533 r = strv_push_pair(paths, new_path, tmp_path);
7534 if (r < 0)
7535 return log_oom();
7536
7537 new_path = tmp_path = NULL;
7538 }
7539
7540 return 0;
7541 }
7542
7543 static int edit(int argc, char *argv[], void *userdata) {
7544 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7545 _cleanup_strv_free_ char **names = NULL;
7546 _cleanup_strv_free_ char **paths = NULL;
7547 char **original, **tmp;
7548 sd_bus *bus;
7549 int r;
7550
7551 if (!on_tty())
7552 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7553
7554 if (arg_transport != BUS_TRANSPORT_LOCAL)
7555 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7556
7557 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7558 if (r < 0)
7559 return log_error_errno(r, "Failed to determine unit paths: %m");
7560
7561 r = acquire_bus(BUS_MANAGER, &bus);
7562 if (r < 0)
7563 return r;
7564
7565 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7566 if (r < 0)
7567 return log_error_errno(r, "Failed to expand names: %m");
7568
7569 STRV_FOREACH(tmp, names) {
7570 r = unit_is_masked(bus, &lp, *tmp);
7571 if (r < 0)
7572 return r;
7573 if (r > 0)
7574 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7575 }
7576
7577 r = find_paths_to_edit(bus, names, &paths);
7578 if (r < 0)
7579 return r;
7580
7581 if (strv_isempty(paths))
7582 return -ENOENT;
7583
7584 r = run_editor(paths);
7585 if (r < 0)
7586 goto end;
7587
7588 STRV_FOREACH_PAIR(original, tmp, paths) {
7589 /* If the temporary file is empty we ignore it.
7590 * This allows the user to cancel the modification.
7591 */
7592 if (null_or_empty_path(*tmp)) {
7593 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7594 continue;
7595 }
7596
7597 r = rename(*tmp, *original);
7598 if (r < 0) {
7599 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7600 goto end;
7601 }
7602 }
7603
7604 r = 0;
7605
7606 if (!arg_no_reload && !install_client_side())
7607 r = daemon_reload(argc, argv, userdata);
7608
7609 end:
7610 STRV_FOREACH_PAIR(original, tmp, paths) {
7611 (void) unlink(*tmp);
7612
7613 /* Removing empty dropin dirs */
7614 if (!arg_full) {
7615 _cleanup_free_ char *dir;
7616
7617 dir = dirname_malloc(*original);
7618 if (!dir)
7619 return log_oom();
7620
7621 /* no need to check if the dir is empty, rmdir
7622 * does nothing if it is not the case.
7623 */
7624 (void) rmdir(dir);
7625 }
7626 }
7627
7628 return r;
7629 }
7630
7631 static int systemctl_help(void) {
7632 _cleanup_free_ char *link = NULL;
7633 int r;
7634
7635 (void) pager_open(arg_pager_flags);
7636
7637 r = terminal_urlify_man("systemctl", "1", &link);
7638 if (r < 0)
7639 return log_oom();
7640
7641 printf("%1$s [OPTIONS...] {COMMAND} ...\n\n"
7642 "Query or send control commands to the systemd manager.\n\n"
7643 " -h --help Show this help\n"
7644 " --version Show package version\n"
7645 " --system Connect to system manager\n"
7646 " --user Connect to user service manager\n"
7647 " -H --host=[USER@]HOST\n"
7648 " Operate on remote host\n"
7649 " -M --machine=CONTAINER\n"
7650 " Operate on local container\n"
7651 " -t --type=TYPE List units of a particular type\n"
7652 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7653 " --failed Shorcut for --state=failed\n"
7654 " -p --property=NAME Show only properties by this name\n"
7655 " -a --all Show all properties/all units currently in memory,\n"
7656 " including dead/empty ones. To list all units installed on\n"
7657 " the system, use the 'list-unit-files' command instead.\n"
7658 " -l --full Don't ellipsize unit names on output\n"
7659 " -r --recursive Show unit list of host and local containers\n"
7660 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7661 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7662 " queueing a new job\n"
7663 " -T --show-transaction\n"
7664 " When enqueuing a unit job, show full transaction\n"
7665 " --show-types When showing sockets, explicitly show their type\n"
7666 " --value When showing properties, only print the value\n"
7667 " -i --ignore-inhibitors\n"
7668 " When shutting down or sleeping, ignore inhibitors\n"
7669 " --kill-who=WHO Who to send signal to\n"
7670 " -s --signal=SIGNAL Which signal to send\n"
7671 " --what=RESOURCES Which types of resources to remove\n"
7672 " --now Start or stop unit in addition to enabling or disabling it\n"
7673 " --dry-run Only print what would be done\n"
7674 " -q --quiet Suppress output\n"
7675 " --wait For (re)start, wait until service stopped again\n"
7676 " For is-system-running, wait until startup is completed\n"
7677 " --no-block Do not wait until operation finished\n"
7678 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7679 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7680 " --no-legend Do not print a legend (column headers and hints)\n"
7681 " --no-pager Do not pipe output into a pager\n"
7682 " --no-ask-password\n"
7683 " Do not ask for system passwords\n"
7684 " --global Enable/disable/mask unit files globally\n"
7685 " --runtime Enable/disable/mask unit files temporarily until next\n"
7686 " reboot\n"
7687 " -f --force When enabling unit files, override existing symlinks\n"
7688 " When shutting down, execute action immediately\n"
7689 " --preset-mode= Apply only enable, only disable, or all presets\n"
7690 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7691 " directory\n"
7692 " -n --lines=INTEGER Number of journal entries to show\n"
7693 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7694 " short-iso, short-iso-precise, short-full,\n"
7695 " short-monotonic, short-unix,\n"
7696 " verbose, export, json, json-pretty, json-sse, cat)\n"
7697 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7698 " --boot-loader-menu=TIME\n"
7699 " Boot into boot loader menu on next boot\n"
7700 " --boot-loader-entry=NAME\n"
7701 " Boot into a specific boot loader entry on next boot\n"
7702 " --plain Print unit dependencies as a list instead of a tree\n\n"
7703 "%3$sUnit Commands:%4$s\n"
7704 " list-units [PATTERN...] List units currently in memory\n"
7705 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7706 " ordered by address\n"
7707 " list-timers [PATTERN...] List timer units currently in memory,\n"
7708 " ordered by next elapse\n"
7709 " start UNIT... Start (activate) one or more units\n"
7710 " stop UNIT... Stop (deactivate) one or more units\n"
7711 " reload UNIT... Reload one or more units\n"
7712 " restart UNIT... Start or restart one or more units\n"
7713 " try-restart UNIT... Restart one or more units if active\n"
7714 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7715 " otherwise start or restart\n"
7716 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7717 " if supported, otherwise restart\n"
7718 " isolate UNIT Start one unit and stop all others\n"
7719 " kill UNIT... Send signal to processes of a unit\n"
7720 " clean UNIT... Clean runtime, cache, state, logs or\n"
7721 " or configuration of unit\n"
7722 " is-active PATTERN... Check whether units are active\n"
7723 " is-failed PATTERN... Check whether units are failed\n"
7724 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7725 " show [PATTERN...|JOB...] Show properties of one or more\n"
7726 " units/jobs or the manager\n"
7727 " cat PATTERN... Show files and drop-ins of specified units\n"
7728 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7729 " help PATTERN...|PID... Show manual for one or more units\n"
7730 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7731 " units\n"
7732 " list-dependencies [UNIT] Recursively show units which are required\n"
7733 " or wanted by this unit or by which this\n"
7734 " unit is required or wanted\n\n"
7735 "%3$sUnit File Commands:%4$s\n"
7736 " list-unit-files [PATTERN...] List installed unit files\n"
7737 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7738 " disable UNIT... Disable one or more unit files\n"
7739 " reenable UNIT... Reenable one or more unit files\n"
7740 " preset UNIT... Enable/disable one or more unit files\n"
7741 " based on preset configuration\n"
7742 " preset-all Enable/disable all unit files based on\n"
7743 " preset configuration\n"
7744 " is-enabled UNIT... Check whether unit files are enabled\n"
7745 " mask UNIT... Mask one or more units\n"
7746 " unmask UNIT... Unmask one or more units\n"
7747 " link PATH... Link one or more units files into\n"
7748 " the search path\n"
7749 " revert UNIT... Revert one or more unit files to vendor\n"
7750 " version\n"
7751 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7752 " on specified one or more units\n"
7753 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7754 " on specified one or more units\n"
7755 " edit UNIT... Edit one or more unit files\n"
7756 " get-default Get the name of the default target\n"
7757 " set-default TARGET Set the default target\n\n"
7758 "%3$sMachine Commands:%4$s\n"
7759 " list-machines [PATTERN...] List local containers and host\n\n"
7760 "%3$sJob Commands:%4$s\n"
7761 " list-jobs [PATTERN...] List jobs\n"
7762 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7763 "%3$sEnvironment Commands:%4$s\n"
7764 " show-environment Dump environment\n"
7765 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7766 " unset-environment VARIABLE... Unset one or more environment variables\n"
7767 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7768 "%3$sManager Lifecycle Commands:%4$s\n"
7769 " daemon-reload Reload systemd manager configuration\n"
7770 " daemon-reexec Reexecute systemd manager\n\n"
7771 "%3$sSystem Commands:%4$s\n"
7772 " is-system-running Check whether system is fully running\n"
7773 " default Enter system default mode\n"
7774 " rescue Enter system rescue mode\n"
7775 " emergency Enter system emergency mode\n"
7776 " halt Shut down and halt the system\n"
7777 " poweroff Shut down and power-off the system\n"
7778 " reboot [ARG] Shut down and reboot the system\n"
7779 " kexec Shut down and reboot the system with kexec\n"
7780 " exit [EXIT_CODE] Request user instance or container exit\n"
7781 " switch-root ROOT [INIT] Change to a different root file system\n"
7782 " suspend Suspend the system\n"
7783 " hibernate Hibernate the system\n"
7784 " hybrid-sleep Hibernate and suspend the system\n"
7785 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7786 " time and put it into hibernate\n"
7787 "\nSee the %2$s for details.\n"
7788 , program_invocation_short_name
7789 , link
7790 , ansi_underline(), ansi_normal()
7791 );
7792
7793 return 0;
7794 }
7795
7796 static int halt_help(void) {
7797 _cleanup_free_ char *link = NULL;
7798 int r;
7799
7800 r = terminal_urlify_man("halt", "8", &link);
7801 if (r < 0)
7802 return log_oom();
7803
7804 printf("%s [OPTIONS...]%s\n\n"
7805 "%s the system.\n\n"
7806 " --help Show this help\n"
7807 " --halt Halt the machine\n"
7808 " -p --poweroff Switch off the machine\n"
7809 " --reboot Reboot the machine\n"
7810 " -f --force Force immediate halt/power-off/reboot\n"
7811 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7812 " -d --no-wtmp Don't write wtmp record\n"
7813 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7814 "\nSee the %s for details.\n"
7815 , program_invocation_short_name
7816 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7817 arg_action == ACTION_REBOOT ? "Reboot" :
7818 arg_action == ACTION_POWEROFF ? "Power off" :
7819 "Halt"
7820 , link
7821 );
7822
7823 return 0;
7824 }
7825
7826 static int shutdown_help(void) {
7827 _cleanup_free_ char *link = NULL;
7828 int r;
7829
7830 r = terminal_urlify_man("shutdown", "8", &link);
7831 if (r < 0)
7832 return log_oom();
7833
7834 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7835 "Shut down the system.\n\n"
7836 " --help Show this help\n"
7837 " -H --halt Halt the machine\n"
7838 " -P --poweroff Power-off the machine\n"
7839 " -r --reboot Reboot the machine\n"
7840 " -h Equivalent to --poweroff, overridden by --halt\n"
7841 " -k Don't halt/power-off/reboot, just send warnings\n"
7842 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7843 " -c Cancel a pending shutdown\n"
7844 "\nSee the %s for details.\n"
7845 , program_invocation_short_name
7846 , link
7847 );
7848
7849 return 0;
7850 }
7851
7852 static int telinit_help(void) {
7853 _cleanup_free_ char *link = NULL;
7854 int r;
7855
7856 r = terminal_urlify_man("telinit", "8", &link);
7857 if (r < 0)
7858 return log_oom();
7859
7860 printf("%s [OPTIONS...] {COMMAND}\n\n"
7861 "Send control commands to the init daemon.\n\n"
7862 " --help Show this help\n"
7863 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7864 "Commands:\n"
7865 " 0 Power-off the machine\n"
7866 " 6 Reboot the machine\n"
7867 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7868 " 1, s, S Enter rescue mode\n"
7869 " q, Q Reload init daemon configuration\n"
7870 " u, U Reexecute init daemon\n"
7871 "\nSee the %s for details.\n"
7872 , program_invocation_short_name
7873 , link
7874 );
7875
7876 return 0;
7877 }
7878
7879 static int runlevel_help(void) {
7880 _cleanup_free_ char *link = NULL;
7881 int r;
7882
7883 r = terminal_urlify_man("runlevel", "8", &link);
7884 if (r < 0)
7885 return log_oom();
7886
7887 printf("%s [OPTIONS...]\n\n"
7888 "Prints the previous and current runlevel of the init system.\n\n"
7889 " --help Show this help\n"
7890 "\nSee the %s for details.\n"
7891 , program_invocation_short_name
7892 , link
7893 );
7894
7895 return 0;
7896 }
7897
7898 static void help_types(void) {
7899 if (!arg_no_legend)
7900 puts("Available unit types:");
7901
7902 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7903 }
7904
7905 static void help_states(void) {
7906 if (!arg_no_legend)
7907 puts("Available unit load states:");
7908 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7909
7910 if (!arg_no_legend)
7911 puts("\nAvailable unit active states:");
7912 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7913
7914 if (!arg_no_legend)
7915 puts("\nAvailable automount unit substates:");
7916 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7917
7918 if (!arg_no_legend)
7919 puts("\nAvailable device unit substates:");
7920 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7921
7922 if (!arg_no_legend)
7923 puts("\nAvailable mount unit substates:");
7924 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7925
7926 if (!arg_no_legend)
7927 puts("\nAvailable path unit substates:");
7928 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7929
7930 if (!arg_no_legend)
7931 puts("\nAvailable scope unit substates:");
7932 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7933
7934 if (!arg_no_legend)
7935 puts("\nAvailable service unit substates:");
7936 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7937
7938 if (!arg_no_legend)
7939 puts("\nAvailable slice unit substates:");
7940 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7941
7942 if (!arg_no_legend)
7943 puts("\nAvailable socket unit substates:");
7944 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7945
7946 if (!arg_no_legend)
7947 puts("\nAvailable swap unit substates:");
7948 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7949
7950 if (!arg_no_legend)
7951 puts("\nAvailable target unit substates:");
7952 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7953
7954 if (!arg_no_legend)
7955 puts("\nAvailable timer unit substates:");
7956 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7957 }
7958
7959 static int help_boot_loader_entry(void) {
7960 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7961 _cleanup_free_ char **l = NULL;
7962 sd_bus *bus;
7963 char **i;
7964 int r;
7965
7966 r = acquire_bus(BUS_FULL, &bus);
7967 if (r < 0)
7968 return r;
7969
7970 r = sd_bus_get_property_strv(
7971 bus,
7972 "org.freedesktop.login1",
7973 "/org/freedesktop/login1",
7974 "org.freedesktop.login1.Manager",
7975 "BootLoaderEntries",
7976 &error,
7977 &l);
7978 if (r < 0)
7979 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
7980
7981 if (strv_isempty(l))
7982 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
7983
7984 STRV_FOREACH(i, l)
7985 puts(*i);
7986
7987 return 0;
7988 }
7989
7990 static int systemctl_parse_argv(int argc, char *argv[]) {
7991 enum {
7992 ARG_FAIL = 0x100,
7993 ARG_REVERSE,
7994 ARG_AFTER,
7995 ARG_BEFORE,
7996 ARG_DRY_RUN,
7997 ARG_SHOW_TYPES,
7998 ARG_IRREVERSIBLE,
7999 ARG_IGNORE_DEPENDENCIES,
8000 ARG_VALUE,
8001 ARG_VERSION,
8002 ARG_USER,
8003 ARG_SYSTEM,
8004 ARG_GLOBAL,
8005 ARG_NO_BLOCK,
8006 ARG_NO_LEGEND,
8007 ARG_NO_PAGER,
8008 ARG_NO_WALL,
8009 ARG_ROOT,
8010 ARG_NO_RELOAD,
8011 ARG_KILL_WHO,
8012 ARG_NO_ASK_PASSWORD,
8013 ARG_FAILED,
8014 ARG_RUNTIME,
8015 ARG_PLAIN,
8016 ARG_STATE,
8017 ARG_JOB_MODE,
8018 ARG_PRESET_MODE,
8019 ARG_FIRMWARE_SETUP,
8020 ARG_BOOT_LOADER_MENU,
8021 ARG_BOOT_LOADER_ENTRY,
8022 ARG_NOW,
8023 ARG_MESSAGE,
8024 ARG_WAIT,
8025 ARG_WHAT,
8026 };
8027
8028 static const struct option options[] = {
8029 { "help", no_argument, NULL, 'h' },
8030 { "version", no_argument, NULL, ARG_VERSION },
8031 { "type", required_argument, NULL, 't' },
8032 { "property", required_argument, NULL, 'p' },
8033 { "all", no_argument, NULL, 'a' },
8034 { "reverse", no_argument, NULL, ARG_REVERSE },
8035 { "after", no_argument, NULL, ARG_AFTER },
8036 { "before", no_argument, NULL, ARG_BEFORE },
8037 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8038 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8039 { "full", no_argument, NULL, 'l' },
8040 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8041 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8042 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8043 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8044 { "ignore-inhibitors", no_argument, NULL, 'i' },
8045 { "value", no_argument, NULL, ARG_VALUE },
8046 { "user", no_argument, NULL, ARG_USER },
8047 { "system", no_argument, NULL, ARG_SYSTEM },
8048 { "global", no_argument, NULL, ARG_GLOBAL },
8049 { "wait", no_argument, NULL, ARG_WAIT },
8050 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8051 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8052 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8053 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8054 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8055 { "quiet", no_argument, NULL, 'q' },
8056 { "root", required_argument, NULL, ARG_ROOT },
8057 { "force", no_argument, NULL, 'f' },
8058 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8059 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8060 { "signal", required_argument, NULL, 's' },
8061 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8062 { "host", required_argument, NULL, 'H' },
8063 { "machine", required_argument, NULL, 'M' },
8064 { "runtime", no_argument, NULL, ARG_RUNTIME },
8065 { "lines", required_argument, NULL, 'n' },
8066 { "output", required_argument, NULL, 'o' },
8067 { "plain", no_argument, NULL, ARG_PLAIN },
8068 { "state", required_argument, NULL, ARG_STATE },
8069 { "recursive", no_argument, NULL, 'r' },
8070 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8071 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8072 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8073 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8074 { "now", no_argument, NULL, ARG_NOW },
8075 { "message", required_argument, NULL, ARG_MESSAGE },
8076 { "show-transaction", no_argument, NULL, 'T' },
8077 { "what", required_argument, NULL, ARG_WHAT },
8078 {}
8079 };
8080
8081 int c, r;
8082
8083 assert(argc >= 0);
8084 assert(argv);
8085
8086 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8087 arg_ask_password = true;
8088
8089 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8090
8091 switch (c) {
8092
8093 case 'h':
8094 return systemctl_help();
8095
8096 case ARG_VERSION:
8097 return version();
8098
8099 case 't': {
8100 const char *p;
8101
8102 if (isempty(optarg))
8103 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8104 "--type= requires arguments.");
8105
8106 for (p = optarg;;) {
8107 _cleanup_free_ char *type = NULL;
8108
8109 r = extract_first_word(&p, &type, ",", 0);
8110 if (r < 0)
8111 return log_error_errno(r, "Failed to parse type: %s", optarg);
8112 if (r == 0)
8113 break;
8114
8115 if (streq(type, "help")) {
8116 help_types();
8117 return 0;
8118 }
8119
8120 if (unit_type_from_string(type) >= 0) {
8121 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8122 return log_oom();
8123 continue;
8124 }
8125
8126 /* It's much nicer to use --state= for
8127 * load states, but let's support this
8128 * in --types= too for compatibility
8129 * with old versions */
8130 if (unit_load_state_from_string(type) >= 0) {
8131 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8132 return log_oom();
8133 continue;
8134 }
8135
8136 log_error("Unknown unit type or load state '%s'.", type);
8137 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8138 "Use -t help to see a list of allowed values.");
8139 }
8140
8141 break;
8142 }
8143
8144 case 'p':
8145 /* Make sure that if the empty property list was specified, we won't show any
8146 properties. */
8147 if (isempty(optarg) && !arg_properties) {
8148 arg_properties = new0(char*, 1);
8149 if (!arg_properties)
8150 return log_oom();
8151 } else {
8152 const char *p;
8153
8154 for (p = optarg;;) {
8155 _cleanup_free_ char *prop = NULL;
8156
8157 r = extract_first_word(&p, &prop, ",", 0);
8158 if (r < 0)
8159 return log_error_errno(r, "Failed to parse property: %s", optarg);
8160 if (r == 0)
8161 break;
8162
8163 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8164 return log_oom();
8165 }
8166 }
8167
8168 /* If the user asked for a particular
8169 * property, show it to him, even if it is
8170 * empty. */
8171 arg_all = true;
8172
8173 break;
8174
8175 case 'a':
8176 arg_all = true;
8177 break;
8178
8179 case ARG_REVERSE:
8180 arg_dependency = DEPENDENCY_REVERSE;
8181 break;
8182
8183 case ARG_AFTER:
8184 arg_dependency = DEPENDENCY_AFTER;
8185 arg_jobs_after = true;
8186 break;
8187
8188 case ARG_BEFORE:
8189 arg_dependency = DEPENDENCY_BEFORE;
8190 arg_jobs_before = true;
8191 break;
8192
8193 case ARG_SHOW_TYPES:
8194 arg_show_types = true;
8195 break;
8196
8197 case ARG_VALUE:
8198 arg_value = true;
8199 break;
8200
8201 case ARG_JOB_MODE:
8202 arg_job_mode = optarg;
8203 break;
8204
8205 case ARG_FAIL:
8206 arg_job_mode = "fail";
8207 break;
8208
8209 case ARG_IRREVERSIBLE:
8210 arg_job_mode = "replace-irreversibly";
8211 break;
8212
8213 case ARG_IGNORE_DEPENDENCIES:
8214 arg_job_mode = "ignore-dependencies";
8215 break;
8216
8217 case ARG_USER:
8218 arg_scope = UNIT_FILE_USER;
8219 break;
8220
8221 case ARG_SYSTEM:
8222 arg_scope = UNIT_FILE_SYSTEM;
8223 break;
8224
8225 case ARG_GLOBAL:
8226 arg_scope = UNIT_FILE_GLOBAL;
8227 break;
8228
8229 case ARG_WAIT:
8230 arg_wait = true;
8231 break;
8232
8233 case ARG_NO_BLOCK:
8234 arg_no_block = true;
8235 break;
8236
8237 case ARG_NO_LEGEND:
8238 arg_no_legend = true;
8239 break;
8240
8241 case ARG_NO_PAGER:
8242 arg_pager_flags |= PAGER_DISABLE;
8243 break;
8244
8245 case ARG_NO_WALL:
8246 arg_no_wall = true;
8247 break;
8248
8249 case ARG_ROOT:
8250 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8251 if (r < 0)
8252 return r;
8253 break;
8254
8255 case 'l':
8256 arg_full = true;
8257 break;
8258
8259 case ARG_FAILED:
8260 if (strv_extend(&arg_states, "failed") < 0)
8261 return log_oom();
8262
8263 break;
8264
8265 case ARG_DRY_RUN:
8266 arg_dry_run = true;
8267 break;
8268
8269 case 'q':
8270 arg_quiet = true;
8271 break;
8272
8273 case 'f':
8274 arg_force++;
8275 break;
8276
8277 case ARG_NO_RELOAD:
8278 arg_no_reload = true;
8279 break;
8280
8281 case ARG_KILL_WHO:
8282 arg_kill_who = optarg;
8283 break;
8284
8285 case 's':
8286 if (streq(optarg, "help")) {
8287 DUMP_STRING_TABLE(signal, int, _NSIG);
8288 return 0;
8289 }
8290
8291 arg_signal = signal_from_string(optarg);
8292 if (arg_signal < 0)
8293 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8294 "Failed to parse signal string %s.",
8295 optarg);
8296 break;
8297
8298 case ARG_NO_ASK_PASSWORD:
8299 arg_ask_password = false;
8300 break;
8301
8302 case 'H':
8303 arg_transport = BUS_TRANSPORT_REMOTE;
8304 arg_host = optarg;
8305 break;
8306
8307 case 'M':
8308 arg_transport = BUS_TRANSPORT_MACHINE;
8309 arg_host = optarg;
8310 break;
8311
8312 case ARG_RUNTIME:
8313 arg_runtime = true;
8314 break;
8315
8316 case 'n':
8317 if (safe_atou(optarg, &arg_lines) < 0)
8318 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8319 "Failed to parse lines '%s'",
8320 optarg);
8321 break;
8322
8323 case 'o':
8324 if (streq(optarg, "help")) {
8325 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8326 return 0;
8327 }
8328
8329 arg_output = output_mode_from_string(optarg);
8330 if (arg_output < 0)
8331 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8332 "Unknown output '%s'.",
8333 optarg);
8334 break;
8335
8336 case 'i':
8337 arg_ignore_inhibitors = true;
8338 break;
8339
8340 case ARG_PLAIN:
8341 arg_plain = true;
8342 break;
8343
8344 case ARG_FIRMWARE_SETUP:
8345 arg_firmware_setup = true;
8346 break;
8347
8348 case ARG_BOOT_LOADER_MENU:
8349
8350 r = parse_sec(optarg, &arg_boot_loader_menu);
8351 if (r < 0)
8352 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8353
8354 break;
8355
8356 case ARG_BOOT_LOADER_ENTRY:
8357
8358 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8359 r = help_boot_loader_entry();
8360 if (r < 0)
8361 return r;
8362
8363 return 0;
8364 }
8365
8366 arg_boot_loader_entry = empty_to_null(optarg);
8367 break;
8368
8369 case ARG_STATE: {
8370 const char *p;
8371
8372 if (isempty(optarg))
8373 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8374 "--state= requires arguments.");
8375
8376 for (p = optarg;;) {
8377 _cleanup_free_ char *s = NULL;
8378
8379 r = extract_first_word(&p, &s, ",", 0);
8380 if (r < 0)
8381 return log_error_errno(r, "Failed to parse state: %s", optarg);
8382 if (r == 0)
8383 break;
8384
8385 if (streq(s, "help")) {
8386 help_states();
8387 return 0;
8388 }
8389
8390 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8391 return log_oom();
8392 }
8393 break;
8394 }
8395
8396 case 'r':
8397 if (geteuid() != 0)
8398 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8399 "--recursive requires root privileges.");
8400
8401 arg_recursive = true;
8402 break;
8403
8404 case ARG_PRESET_MODE:
8405 if (streq(optarg, "help")) {
8406 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8407 return 0;
8408 }
8409
8410 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8411 if (arg_preset_mode < 0)
8412 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8413 "Failed to parse preset mode: %s.", optarg);
8414
8415 break;
8416
8417 case ARG_NOW:
8418 arg_now = true;
8419 break;
8420
8421 case ARG_MESSAGE:
8422 if (strv_extend(&arg_wall, optarg) < 0)
8423 return log_oom();
8424 break;
8425
8426 case 'T':
8427 arg_show_transaction = true;
8428 break;
8429
8430 case ARG_WHAT: {
8431 const char *p;
8432
8433 if (isempty(optarg))
8434 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8435
8436 for (p = optarg;;) {
8437 _cleanup_free_ char *k = NULL;
8438
8439 r = extract_first_word(&p, &k, ",", 0);
8440 if (r < 0)
8441 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8442 if (r == 0)
8443 break;
8444
8445 if (streq(k, "help")) {
8446 puts("runtime\n"
8447 "state\n"
8448 "cache\n"
8449 "logs\n"
8450 "configuration");
8451 return 0;
8452 }
8453
8454 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8455 if (r < 0)
8456 return log_oom();
8457 }
8458
8459 break;
8460 }
8461
8462 case '.':
8463 /* Output an error mimicking getopt, and print a hint afterwards */
8464 log_error("%s: invalid option -- '.'", program_invocation_name);
8465 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8466 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8467 program_invocation_name, optarg ?: "mount");
8468 _fallthrough_;
8469
8470 case '?':
8471 return -EINVAL;
8472
8473 default:
8474 assert_not_reached("Unhandled option");
8475 }
8476
8477 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8478 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8479 "Cannot access user instance remotely.");
8480
8481 if (arg_wait && arg_no_block)
8482 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8483 "--wait may not be combined with --no-block.");
8484
8485 return 1;
8486 }
8487
8488 static int halt_parse_argv(int argc, char *argv[]) {
8489 enum {
8490 ARG_HELP = 0x100,
8491 ARG_HALT,
8492 ARG_REBOOT,
8493 ARG_NO_WALL
8494 };
8495
8496 static const struct option options[] = {
8497 { "help", no_argument, NULL, ARG_HELP },
8498 { "halt", no_argument, NULL, ARG_HALT },
8499 { "poweroff", no_argument, NULL, 'p' },
8500 { "reboot", no_argument, NULL, ARG_REBOOT },
8501 { "force", no_argument, NULL, 'f' },
8502 { "wtmp-only", no_argument, NULL, 'w' },
8503 { "no-wtmp", no_argument, NULL, 'd' },
8504 { "no-sync", no_argument, NULL, 'n' },
8505 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8506 {}
8507 };
8508
8509 int c, r, runlevel;
8510
8511 assert(argc >= 0);
8512 assert(argv);
8513
8514 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8515 if (IN_SET(runlevel, '0', '6'))
8516 arg_force = 2;
8517
8518 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8519 switch (c) {
8520
8521 case ARG_HELP:
8522 return halt_help();
8523
8524 case ARG_HALT:
8525 arg_action = ACTION_HALT;
8526 break;
8527
8528 case 'p':
8529 if (arg_action != ACTION_REBOOT)
8530 arg_action = ACTION_POWEROFF;
8531 break;
8532
8533 case ARG_REBOOT:
8534 arg_action = ACTION_REBOOT;
8535 break;
8536
8537 case 'f':
8538 arg_force = 2;
8539 break;
8540
8541 case 'w':
8542 arg_dry_run = true;
8543 break;
8544
8545 case 'd':
8546 arg_no_wtmp = true;
8547 break;
8548
8549 case 'n':
8550 arg_no_sync = true;
8551 break;
8552
8553 case ARG_NO_WALL:
8554 arg_no_wall = true;
8555 break;
8556
8557 case 'i':
8558 case 'h':
8559 /* Compatibility nops */
8560 break;
8561
8562 case '?':
8563 return -EINVAL;
8564
8565 default:
8566 assert_not_reached("Unhandled option");
8567 }
8568
8569 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8570 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8571 if (r < 0)
8572 return r;
8573 } else if (optind < argc)
8574 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8575 "Too many arguments.");
8576
8577 return 1;
8578 }
8579
8580 static int shutdown_parse_argv(int argc, char *argv[]) {
8581 enum {
8582 ARG_HELP = 0x100,
8583 ARG_NO_WALL
8584 };
8585
8586 static const struct option options[] = {
8587 { "help", no_argument, NULL, ARG_HELP },
8588 { "halt", no_argument, NULL, 'H' },
8589 { "poweroff", no_argument, NULL, 'P' },
8590 { "reboot", no_argument, NULL, 'r' },
8591 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8592 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8593 {}
8594 };
8595
8596 char **wall = NULL;
8597 int c, r;
8598
8599 assert(argc >= 0);
8600 assert(argv);
8601
8602 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8603 switch (c) {
8604
8605 case ARG_HELP:
8606 return shutdown_help();
8607
8608 case 'H':
8609 arg_action = ACTION_HALT;
8610 break;
8611
8612 case 'P':
8613 arg_action = ACTION_POWEROFF;
8614 break;
8615
8616 case 'r':
8617 if (kexec_loaded())
8618 arg_action = ACTION_KEXEC;
8619 else
8620 arg_action = ACTION_REBOOT;
8621 break;
8622
8623 case 'K':
8624 arg_action = ACTION_KEXEC;
8625 break;
8626
8627 case 'h':
8628 if (arg_action != ACTION_HALT)
8629 arg_action = ACTION_POWEROFF;
8630 break;
8631
8632 case 'k':
8633 arg_dry_run = true;
8634 break;
8635
8636 case ARG_NO_WALL:
8637 arg_no_wall = true;
8638 break;
8639
8640 case 'a':
8641 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8642 case 'f':
8643 case 'F':
8644 /* Compatibility nops */
8645 break;
8646
8647 case 'c':
8648 arg_action = ACTION_CANCEL_SHUTDOWN;
8649 break;
8650
8651 case '?':
8652 return -EINVAL;
8653
8654 default:
8655 assert_not_reached("Unhandled option");
8656 }
8657
8658 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8659 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8660 if (r < 0) {
8661 log_error("Failed to parse time specification: %s", argv[optind]);
8662 return r;
8663 }
8664 } else
8665 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8666
8667 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8668 /* No time argument for shutdown cancel */
8669 wall = argv + optind;
8670 else if (argc > optind + 1)
8671 /* We skip the time argument */
8672 wall = argv + optind + 1;
8673
8674 if (wall) {
8675 arg_wall = strv_copy(wall);
8676 if (!arg_wall)
8677 return log_oom();
8678 }
8679
8680 optind = argc;
8681
8682 return 1;
8683 }
8684
8685 static int telinit_parse_argv(int argc, char *argv[]) {
8686 enum {
8687 ARG_HELP = 0x100,
8688 ARG_NO_WALL
8689 };
8690
8691 static const struct option options[] = {
8692 { "help", no_argument, NULL, ARG_HELP },
8693 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8694 {}
8695 };
8696
8697 static const struct {
8698 char from;
8699 enum action to;
8700 } table[] = {
8701 { '0', ACTION_POWEROFF },
8702 { '6', ACTION_REBOOT },
8703 { '1', ACTION_RESCUE },
8704 { '2', ACTION_RUNLEVEL2 },
8705 { '3', ACTION_RUNLEVEL3 },
8706 { '4', ACTION_RUNLEVEL4 },
8707 { '5', ACTION_RUNLEVEL5 },
8708 { 's', ACTION_RESCUE },
8709 { 'S', ACTION_RESCUE },
8710 { 'q', ACTION_RELOAD },
8711 { 'Q', ACTION_RELOAD },
8712 { 'u', ACTION_REEXEC },
8713 { 'U', ACTION_REEXEC }
8714 };
8715
8716 unsigned i;
8717 int c;
8718
8719 assert(argc >= 0);
8720 assert(argv);
8721
8722 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8723 switch (c) {
8724
8725 case ARG_HELP:
8726 return telinit_help();
8727
8728 case ARG_NO_WALL:
8729 arg_no_wall = true;
8730 break;
8731
8732 case '?':
8733 return -EINVAL;
8734
8735 default:
8736 assert_not_reached("Unhandled option");
8737 }
8738
8739 if (optind >= argc)
8740 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8741 "%s: required argument missing.",
8742 program_invocation_short_name);
8743
8744 if (optind + 1 < argc)
8745 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8746 "Too many arguments.");
8747
8748 if (strlen(argv[optind]) != 1)
8749 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8750 "Expected single character argument.");
8751
8752 for (i = 0; i < ELEMENTSOF(table); i++)
8753 if (table[i].from == argv[optind][0])
8754 break;
8755
8756 if (i >= ELEMENTSOF(table))
8757 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8758 "Unknown command '%s'.", argv[optind]);
8759
8760 arg_action = table[i].to;
8761
8762 optind++;
8763
8764 return 1;
8765 }
8766
8767 static int runlevel_parse_argv(int argc, char *argv[]) {
8768 enum {
8769 ARG_HELP = 0x100,
8770 };
8771
8772 static const struct option options[] = {
8773 { "help", no_argument, NULL, ARG_HELP },
8774 {}
8775 };
8776
8777 int c;
8778
8779 assert(argc >= 0);
8780 assert(argv);
8781
8782 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8783 switch (c) {
8784
8785 case ARG_HELP:
8786 return runlevel_help();
8787
8788 case '?':
8789 return -EINVAL;
8790
8791 default:
8792 assert_not_reached("Unhandled option");
8793 }
8794
8795 if (optind < argc)
8796 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8797 "Too many arguments.");
8798
8799 return 1;
8800 }
8801
8802 static int parse_argv(int argc, char *argv[]) {
8803 assert(argc >= 0);
8804 assert(argv);
8805
8806 if (program_invocation_short_name) {
8807
8808 if (strstr(program_invocation_short_name, "halt")) {
8809 arg_action = ACTION_HALT;
8810 return halt_parse_argv(argc, argv);
8811
8812 } else if (strstr(program_invocation_short_name, "poweroff")) {
8813 arg_action = ACTION_POWEROFF;
8814 return halt_parse_argv(argc, argv);
8815
8816 } else if (strstr(program_invocation_short_name, "reboot")) {
8817 if (kexec_loaded())
8818 arg_action = ACTION_KEXEC;
8819 else
8820 arg_action = ACTION_REBOOT;
8821 return halt_parse_argv(argc, argv);
8822
8823 } else if (strstr(program_invocation_short_name, "shutdown")) {
8824 arg_action = ACTION_POWEROFF;
8825 return shutdown_parse_argv(argc, argv);
8826
8827 } else if (strstr(program_invocation_short_name, "init")) {
8828
8829 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8830 * 1 on SysV.
8831 *
8832 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8833 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8834 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8835 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8836 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8837 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8838 * quick way to match both.
8839 *
8840 * Also see redirect_telinit() in src/core/main.c. */
8841
8842 if (sd_booted() > 0) {
8843 arg_action = _ACTION_INVALID;
8844 return telinit_parse_argv(argc, argv);
8845 } else {
8846 /* Hmm, so some other init system is running, we need to forward this request to
8847 * it. For now we simply guess that it is Upstart. */
8848
8849 (void) rlimit_nofile_safe();
8850 execv(TELINIT, argv);
8851
8852 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8853 "Couldn't find an alternative telinit implementation to spawn.");
8854 }
8855
8856 } else if (strstr(program_invocation_short_name, "runlevel")) {
8857 arg_action = ACTION_RUNLEVEL;
8858 return runlevel_parse_argv(argc, argv);
8859 }
8860 }
8861
8862 arg_action = ACTION_SYSTEMCTL;
8863 return systemctl_parse_argv(argc, argv);
8864 }
8865
8866 #if HAVE_SYSV_COMPAT
8867 _pure_ static int action_to_runlevel(void) {
8868 static const char table[_ACTION_MAX] = {
8869 [ACTION_HALT] = '0',
8870 [ACTION_POWEROFF] = '0',
8871 [ACTION_REBOOT] = '6',
8872 [ACTION_RUNLEVEL2] = '2',
8873 [ACTION_RUNLEVEL3] = '3',
8874 [ACTION_RUNLEVEL4] = '4',
8875 [ACTION_RUNLEVEL5] = '5',
8876 [ACTION_RESCUE] = '1'
8877 };
8878
8879 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8880 return table[arg_action];
8881 }
8882 #endif
8883
8884 static int systemctl_main(int argc, char *argv[]) {
8885 static const Verb verbs[] = {
8886 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8887 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8888 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8889 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8890 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8891 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8892 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8893 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8894 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8895 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8896 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8897 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8898 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8899 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8900 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8901 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8902 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8903 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8904 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8905 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8906 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8907 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8908 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_unit },
8909 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8910 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8911 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8912 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8913 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8914 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8915 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8916 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8917 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8918 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8919 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8920 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8921 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8922 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8923 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8924 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8925 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8926 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8927 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8928 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8929 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8930 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8931 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8932 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8933 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8934 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8935 { "enable", 2, VERB_ANY, 0, enable_unit },
8936 { "disable", 2, VERB_ANY, 0, enable_unit },
8937 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8938 { "reenable", 2, VERB_ANY, 0, enable_unit },
8939 { "preset", 2, VERB_ANY, 0, enable_unit },
8940 { "preset-all", VERB_ANY, 1, 0, preset_all },
8941 { "mask", 2, VERB_ANY, 0, enable_unit },
8942 { "unmask", 2, VERB_ANY, 0, enable_unit },
8943 { "link", 2, VERB_ANY, 0, enable_unit },
8944 { "revert", 2, VERB_ANY, 0, enable_unit },
8945 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8946 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8947 { "set-default", 2, 2, 0, set_default },
8948 { "get-default", VERB_ANY, 1, 0, get_default },
8949 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8950 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8951 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8952 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8953 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8954 {}
8955 };
8956
8957 return dispatch_verb(argc, argv, verbs, NULL);
8958 }
8959
8960 static int reload_with_fallback(void) {
8961 /* First, try systemd via D-Bus. */
8962 if (daemon_reload(0, NULL, NULL) >= 0)
8963 return 0;
8964
8965 /* Nothing else worked, so let's try signals */
8966 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8967
8968 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8969 return log_error_errno(errno, "kill() failed: %m");
8970
8971 return 0;
8972 }
8973
8974 static int start_with_fallback(void) {
8975 /* First, try systemd via D-Bus. */
8976 if (start_unit(0, NULL, NULL) == 0)
8977 return 0;
8978
8979 #if HAVE_SYSV_COMPAT
8980 /* Nothing else worked, so let's try /dev/initctl */
8981 if (talk_initctl(action_to_runlevel()) > 0)
8982 return 0;
8983 #endif
8984
8985 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8986 "Failed to talk to init daemon.");
8987 }
8988
8989 static int halt_now(enum action a) {
8990 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8991 * synced explicitly in advance. */
8992 if (!arg_no_sync && !arg_dry_run)
8993 (void) sync();
8994
8995 /* Make sure C-A-D is handled by the kernel from this point on... */
8996 if (!arg_dry_run)
8997 (void) reboot(RB_ENABLE_CAD);
8998
8999 switch (a) {
9000
9001 case ACTION_HALT:
9002 if (!arg_quiet)
9003 log_info("Halting.");
9004 if (arg_dry_run)
9005 return 0;
9006 (void) reboot(RB_HALT_SYSTEM);
9007 return -errno;
9008
9009 case ACTION_POWEROFF:
9010 if (!arg_quiet)
9011 log_info("Powering off.");
9012 if (arg_dry_run)
9013 return 0;
9014 (void) reboot(RB_POWER_OFF);
9015 return -errno;
9016
9017 case ACTION_KEXEC:
9018 case ACTION_REBOOT:
9019 return reboot_with_parameter(REBOOT_FALLBACK |
9020 (arg_quiet ? 0 : REBOOT_LOG) |
9021 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9022
9023 default:
9024 assert_not_reached("Unknown action.");
9025 }
9026 }
9027
9028 static int logind_schedule_shutdown(void) {
9029
9030 #if ENABLE_LOGIND
9031 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9032 char date[FORMAT_TIMESTAMP_MAX];
9033 const char *action;
9034 sd_bus *bus;
9035 int r;
9036
9037 r = acquire_bus(BUS_FULL, &bus);
9038 if (r < 0)
9039 return r;
9040
9041 switch (arg_action) {
9042 case ACTION_HALT:
9043 action = "halt";
9044 break;
9045 case ACTION_POWEROFF:
9046 action = "poweroff";
9047 break;
9048 case ACTION_KEXEC:
9049 action = "kexec";
9050 break;
9051 case ACTION_EXIT:
9052 action = "exit";
9053 break;
9054 case ACTION_REBOOT:
9055 default:
9056 action = "reboot";
9057 break;
9058 }
9059
9060 if (arg_dry_run)
9061 action = strjoina("dry-", action);
9062
9063 (void) logind_set_wall_message();
9064
9065 r = sd_bus_call_method(
9066 bus,
9067 "org.freedesktop.login1",
9068 "/org/freedesktop/login1",
9069 "org.freedesktop.login1.Manager",
9070 "ScheduleShutdown",
9071 &error,
9072 NULL,
9073 "st",
9074 action,
9075 arg_when);
9076 if (r < 0)
9077 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9078
9079 if (!arg_quiet)
9080 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9081 return 0;
9082 #else
9083 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9084 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9085 #endif
9086 }
9087
9088 static int halt_main(void) {
9089 int r;
9090
9091 r = logind_check_inhibitors(arg_action);
9092 if (r < 0)
9093 return r;
9094
9095 /* Delayed shutdown requested, and was successful */
9096 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9097 return 0;
9098 /* no delay, or logind failed or is not at all available */
9099
9100 if (geteuid() != 0) {
9101 if (arg_dry_run || arg_force > 0) {
9102 (void) must_be_root();
9103 return -EPERM;
9104 }
9105
9106 /* Try logind if we are a normal user and no special
9107 * mode applies. Maybe polkit allows us to shutdown
9108 * the machine. */
9109 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9110 r = logind_reboot(arg_action);
9111 if (r >= 0)
9112 return r;
9113 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9114 /* requested operation is not
9115 * supported on the local system or
9116 * already in progress */
9117 return r;
9118 /* on all other errors, try low-level operation */
9119 }
9120 }
9121
9122 /* In order to minimize the difference between operation with and
9123 * without logind, we explicitly enable non-blocking mode for this,
9124 * as logind's shutdown operations are always non-blocking. */
9125 arg_no_block = true;
9126
9127 if (!arg_dry_run && !arg_force)
9128 return start_with_fallback();
9129
9130 assert(geteuid() == 0);
9131
9132 if (!arg_no_wtmp) {
9133 if (sd_booted() > 0)
9134 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9135 else {
9136 r = utmp_put_shutdown();
9137 if (r < 0)
9138 log_warning_errno(r, "Failed to write utmp record: %m");
9139 }
9140 }
9141
9142 if (arg_dry_run)
9143 return 0;
9144
9145 r = halt_now(arg_action);
9146 return log_error_errno(r, "Failed to reboot: %m");
9147 }
9148
9149 static int runlevel_main(void) {
9150 int r, runlevel, previous;
9151
9152 r = utmp_get_runlevel(&runlevel, &previous);
9153 if (r < 0) {
9154 puts("unknown");
9155 return r;
9156 }
9157
9158 printf("%c %c\n",
9159 previous <= 0 ? 'N' : previous,
9160 runlevel <= 0 ? 'N' : runlevel);
9161
9162 return 0;
9163 }
9164
9165 static int logind_cancel_shutdown(void) {
9166 #if ENABLE_LOGIND
9167 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9168 sd_bus *bus;
9169 int r;
9170
9171 r = acquire_bus(BUS_FULL, &bus);
9172 if (r < 0)
9173 return r;
9174
9175 (void) logind_set_wall_message();
9176
9177 r = sd_bus_call_method(
9178 bus,
9179 "org.freedesktop.login1",
9180 "/org/freedesktop/login1",
9181 "org.freedesktop.login1.Manager",
9182 "CancelScheduledShutdown",
9183 &error,
9184 NULL, NULL);
9185 if (r < 0)
9186 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9187
9188 return 0;
9189 #else
9190 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9191 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9192 #endif
9193 }
9194
9195 static int run(int argc, char *argv[]) {
9196 int r;
9197
9198 setlocale(LC_ALL, "");
9199 log_parse_environment();
9200 log_open();
9201
9202 /* The journal merging logic potentially needs a lot of fds. */
9203 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9204
9205 sigbus_install();
9206
9207 /* Explicitly not on_tty() to avoid setting cached value.
9208 * This becomes relevant for piping output which might be
9209 * ellipsized. */
9210 original_stdout_is_tty = isatty(STDOUT_FILENO);
9211
9212 r = parse_argv(argc, argv);
9213 if (r <= 0)
9214 goto finish;
9215
9216 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9217 if (!arg_quiet)
9218 log_info("Running in chroot, ignoring request.");
9219 r = 0;
9220 goto finish;
9221 }
9222
9223 /* systemctl_main() will print an error message for the bus
9224 * connection, but only if it needs to */
9225
9226 switch (arg_action) {
9227
9228 case ACTION_SYSTEMCTL:
9229 r = systemctl_main(argc, argv);
9230 break;
9231
9232 /* Legacy command aliases set arg_action. They provide some fallbacks,
9233 * e.g. to tell sysvinit to reboot after you have installed systemd
9234 * binaries. */
9235
9236 case ACTION_HALT:
9237 case ACTION_POWEROFF:
9238 case ACTION_REBOOT:
9239 case ACTION_KEXEC:
9240 r = halt_main();
9241 break;
9242
9243 case ACTION_RUNLEVEL2:
9244 case ACTION_RUNLEVEL3:
9245 case ACTION_RUNLEVEL4:
9246 case ACTION_RUNLEVEL5:
9247 case ACTION_RESCUE:
9248 r = start_with_fallback();
9249 break;
9250
9251 case ACTION_RELOAD:
9252 case ACTION_REEXEC:
9253 r = reload_with_fallback();
9254 break;
9255
9256 case ACTION_CANCEL_SHUTDOWN:
9257 r = logind_cancel_shutdown();
9258 break;
9259
9260 case ACTION_RUNLEVEL:
9261 r = runlevel_main();
9262 break;
9263
9264 case ACTION_EXIT:
9265 case ACTION_SUSPEND:
9266 case ACTION_HIBERNATE:
9267 case ACTION_HYBRID_SLEEP:
9268 case ACTION_SUSPEND_THEN_HIBERNATE:
9269 case ACTION_EMERGENCY:
9270 case ACTION_DEFAULT:
9271 /* systemctl verbs with no equivalent in the legacy commands.
9272 * These cannot appear in arg_action. Fall through. */
9273
9274 case _ACTION_INVALID:
9275 default:
9276 assert_not_reached("Unknown action");
9277 }
9278
9279 finish:
9280 release_busses();
9281
9282 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9283 return r;
9284 }
9285
9286 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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