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Merge pull request #13994 from keszybz/bpf-refactor
[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 <stdbool.h>
7 #include <stddef.h>
8 #include <stdio.h>
9 #include <sys/mount.h>
10 #include <sys/prctl.h>
11 #include <sys/reboot.h>
12 #include <unistd.h>
13
14 #include "sd-bus.h"
15 #include "sd-daemon.h"
16 #include "sd-event.h"
17 #include "sd-login.h"
18
19 #include "alloc-util.h"
20 #include "bootspec.h"
21 #include "bus-common-errors.h"
22 #include "bus-error.h"
23 #include "bus-message.h"
24 #include "bus-unit-procs.h"
25 #include "bus-unit-util.h"
26 #include "bus-util.h"
27 #include "bus-wait-for-jobs.h"
28 #include "bus-wait-for-units.h"
29 #include "cgroup-show.h"
30 #include "cgroup-util.h"
31 #include "copy.h"
32 #include "cpu-set-util.h"
33 #include "dirent-util.h"
34 #include "dropin.h"
35 #include "efivars.h"
36 #include "env-util.h"
37 #include "escape.h"
38 #include "exec-util.h"
39 #include "exit-status.h"
40 #include "fd-util.h"
41 #include "format-util.h"
42 #include "fs-util.h"
43 #include "glob-util.h"
44 #include "hexdecoct.h"
45 #include "hostname-util.h"
46 #include "in-addr-util.h"
47 #include "initreq.h"
48 #include "install.h"
49 #include "io-util.h"
50 #include "journal-util.h"
51 #include "list.h"
52 #include "locale-util.h"
53 #include "log.h"
54 #include "logs-show.h"
55 #include "macro.h"
56 #include "main-func.h"
57 #include "memory-util.h"
58 #include "mkdir.h"
59 #include "pager.h"
60 #include "parse-util.h"
61 #include "path-lookup.h"
62 #include "path-util.h"
63 #include "pretty-print.h"
64 #include "proc-cmdline.h"
65 #include "process-util.h"
66 #include "reboot-util.h"
67 #include "rlimit-util.h"
68 #include "set.h"
69 #include "sigbus.h"
70 #include "signal-util.h"
71 #include "socket-util.h"
72 #include "sort-util.h"
73 #include "spawn-ask-password-agent.h"
74 #include "spawn-polkit-agent.h"
75 #include "special.h"
76 #include "stat-util.h"
77 #include "string-table.h"
78 #include "strv.h"
79 #include "sysv-compat.h"
80 #include "terminal-util.h"
81 #include "tmpfile-util.h"
82 #include "unit-def.h"
83 #include "unit-file.h"
84 #include "unit-name.h"
85 #include "user-util.h"
86 #include "utf8.h"
87 #include "utmp-wtmp.h"
88 #include "verbs.h"
89 #include "virt.h"
90
91 static char **arg_types = NULL;
92 static char **arg_states = NULL;
93 static char **arg_properties = NULL;
94 static bool arg_all = false;
95 static enum dependency {
96 DEPENDENCY_FORWARD,
97 DEPENDENCY_REVERSE,
98 DEPENDENCY_AFTER,
99 DEPENDENCY_BEFORE,
100 _DEPENDENCY_MAX
101 } arg_dependency = DEPENDENCY_FORWARD;
102 static const char *arg_job_mode = "replace";
103 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
104 static bool arg_wait = false;
105 static bool arg_no_block = false;
106 static bool arg_no_legend = false;
107 static PagerFlags arg_pager_flags = 0;
108 static bool arg_no_wtmp = false;
109 static bool arg_no_sync = false;
110 static bool arg_no_wall = false;
111 static bool arg_no_reload = false;
112 static bool arg_value = false;
113 static bool arg_show_types = false;
114 static bool arg_ignore_inhibitors = false;
115 static bool arg_dry_run = false;
116 static bool arg_quiet = false;
117 static bool arg_full = false;
118 static bool arg_recursive = false;
119 static bool arg_show_transaction = false;
120 static int arg_force = 0;
121 static bool arg_ask_password = false;
122 static bool arg_runtime = false;
123 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
124 static char **arg_wall = NULL;
125 static const char *arg_kill_who = NULL;
126 static int arg_signal = SIGTERM;
127 static char *arg_root = NULL;
128 static usec_t arg_when = 0;
129 static enum action {
130 ACTION_SYSTEMCTL,
131 ACTION_HALT,
132 ACTION_POWEROFF,
133 ACTION_REBOOT,
134 ACTION_KEXEC,
135 ACTION_EXIT,
136 ACTION_SUSPEND,
137 ACTION_HIBERNATE,
138 ACTION_HYBRID_SLEEP,
139 ACTION_SUSPEND_THEN_HIBERNATE,
140 ACTION_RUNLEVEL2,
141 ACTION_RUNLEVEL3,
142 ACTION_RUNLEVEL4,
143 ACTION_RUNLEVEL5,
144 ACTION_RESCUE,
145 ACTION_EMERGENCY,
146 ACTION_DEFAULT,
147 ACTION_RELOAD,
148 ACTION_REEXEC,
149 ACTION_RUNLEVEL,
150 ACTION_CANCEL_SHUTDOWN,
151 _ACTION_MAX,
152 _ACTION_INVALID = -1
153 } arg_action = ACTION_SYSTEMCTL;
154 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
155 static const char *arg_host = NULL;
156 static unsigned arg_lines = 10;
157 static OutputMode arg_output = OUTPUT_SHORT;
158 static bool arg_plain = false;
159 static bool arg_firmware_setup = false;
160 static usec_t arg_boot_loader_menu = USEC_INFINITY;
161 static const char *arg_boot_loader_entry = NULL;
162 static bool arg_now = false;
163 static bool arg_jobs_before = false;
164 static bool arg_jobs_after = false;
165 static char **arg_clean_what = NULL;
166
167 /* This is a global cache that will be constructed on first use. */
168 static Hashmap *cached_id_map = NULL;
169 static Hashmap *cached_name_map = NULL;
170
171 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
172 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
173 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
174 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
175 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
176 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
177 STATIC_DESTRUCTOR_REGISTER(cached_id_map, hashmap_freep);
178 STATIC_DESTRUCTOR_REGISTER(cached_name_map, hashmap_freep);
179
180 static int daemon_reload(int argc, char *argv[], void* userdata);
181 static int trivial_method(int argc, char *argv[], void *userdata);
182 static int halt_now(enum action a);
183 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
184
185 static bool original_stdout_is_tty;
186
187 typedef enum BusFocus {
188 BUS_FULL, /* The full bus indicated via --system or --user */
189 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
190 _BUS_FOCUS_MAX
191 } BusFocus;
192
193 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
194
195 static UnitFileFlags args_to_flags(void) {
196 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
197 (arg_force ? UNIT_FILE_FORCE : 0);
198 }
199
200 static int acquire_bus(BusFocus focus, sd_bus **ret) {
201 int r;
202
203 assert(focus < _BUS_FOCUS_MAX);
204 assert(ret);
205
206 /* We only go directly to the manager, if we are using a local transport */
207 if (arg_transport != BUS_TRANSPORT_LOCAL)
208 focus = BUS_FULL;
209
210 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
211 focus = BUS_FULL;
212
213 if (!buses[focus]) {
214 bool user;
215
216 user = arg_scope != UNIT_FILE_SYSTEM;
217
218 if (focus == BUS_MANAGER)
219 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
220 else
221 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
222 if (r < 0)
223 return log_error_errno(r, "Failed to connect to bus: %m");
224
225 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
226 }
227
228 *ret = buses[focus];
229 return 0;
230 }
231
232 static void release_busses(void) {
233 BusFocus w;
234
235 for (w = 0; w < _BUS_FOCUS_MAX; w++)
236 buses[w] = sd_bus_flush_close_unref(buses[w]);
237 }
238
239 static void ask_password_agent_open_if_enabled(void) {
240 /* Open the password agent as a child process if necessary */
241
242 if (arg_dry_run)
243 return;
244
245 if (!arg_ask_password)
246 return;
247
248 if (arg_scope != UNIT_FILE_SYSTEM)
249 return;
250
251 if (arg_transport != BUS_TRANSPORT_LOCAL)
252 return;
253
254 ask_password_agent_open();
255 }
256
257 static void polkit_agent_open_maybe(void) {
258 /* Open the polkit agent as a child process if necessary */
259
260 if (arg_scope != UNIT_FILE_SYSTEM)
261 return;
262
263 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
264 }
265
266 static OutputFlags get_output_flags(void) {
267 return
268 arg_all * OUTPUT_SHOW_ALL |
269 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
270 colors_enabled() * OUTPUT_COLOR |
271 !arg_quiet * OUTPUT_WARN_CUTOFF;
272 }
273
274 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
275 assert(error);
276
277 if (!sd_bus_error_is_set(error))
278 return r;
279
280 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
281 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
282 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
283 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
284 return EXIT_NOPERMISSION;
285
286 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
287 return EXIT_NOTINSTALLED;
288
289 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
290 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
291 return EXIT_NOTIMPLEMENTED;
292
293 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
294 return EXIT_NOTCONFIGURED;
295
296 if (r != 0)
297 return r;
298
299 return EXIT_FAILURE;
300 }
301
302 static bool install_client_side(void) {
303 /* Decides when to execute enable/disable/... operations
304 * client-side rather than server-side. */
305
306 if (running_in_chroot_or_offline())
307 return true;
308
309 if (sd_booted() <= 0)
310 return true;
311
312 if (!isempty(arg_root))
313 return true;
314
315 if (arg_scope == UNIT_FILE_GLOBAL)
316 return true;
317
318 /* Unsupported environment variable, mostly for debugging purposes */
319 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
320 return true;
321
322 return false;
323 }
324
325 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
326 const char *d1, *d2;
327 int r;
328
329 /* First, order by machine */
330 if (!a->machine && b->machine)
331 return -1;
332 if (a->machine && !b->machine)
333 return 1;
334 if (a->machine && b->machine) {
335 r = strcasecmp(a->machine, b->machine);
336 if (r != 0)
337 return r;
338 }
339
340 /* Second, order by unit type */
341 d1 = strrchr(a->id, '.');
342 d2 = strrchr(b->id, '.');
343 if (d1 && d2) {
344 r = strcasecmp(d1, d2);
345 if (r != 0)
346 return r;
347 }
348
349 /* Third, order by name */
350 return strcasecmp(a->id, b->id);
351 }
352
353 static const char* unit_type_suffix(const char *name) {
354 const char *dot;
355
356 dot = strrchr(name, '.');
357 if (!dot)
358 return "";
359
360 return dot + 1;
361 }
362
363 static bool output_show_unit(const UnitInfo *u, char **patterns) {
364 assert(u);
365
366 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
367 return false;
368
369 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
370 return false;
371
372 if (arg_all)
373 return true;
374
375 /* Note that '--all' is not purely a state filter, but also a
376 * filter that hides units that "follow" other units (which is
377 * used for device units that appear under different names). */
378 if (!isempty(u->following))
379 return false;
380
381 if (!strv_isempty(arg_states))
382 return true;
383
384 /* By default show all units except the ones in inactive
385 * state and with no pending job */
386 if (u->job_id > 0)
387 return true;
388
389 if (streq(u->active_state, "inactive"))
390 return false;
391
392 return true;
393 }
394
395 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
396 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
397 const UnitInfo *u;
398 unsigned n_shown = 0;
399 int job_count = 0;
400 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
401
402 max_id_len = STRLEN("UNIT");
403 load_len = STRLEN("LOAD");
404 active_len = STRLEN("ACTIVE");
405 sub_len = STRLEN("SUB");
406 job_len = STRLEN("JOB");
407 max_desc_len = STRLEN("DESCRIPTION");
408
409 for (u = unit_infos; u < unit_infos + c; u++) {
410 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
411 load_len = MAX(load_len, strlen(u->load_state));
412 active_len = MAX(active_len, strlen(u->active_state));
413 sub_len = MAX(sub_len, strlen(u->sub_state));
414 max_desc_len = MAX(max_desc_len, strlen(u->description));
415
416 if (u->job_id != 0) {
417 job_len = MAX(job_len, strlen(u->job_type));
418 job_count++;
419 }
420
421 if (!arg_no_legend &&
422 (streq(u->active_state, "failed") ||
423 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
424 circle_len = 2;
425 }
426
427 if (!arg_full && original_stdout_is_tty) {
428 unsigned basic_len;
429
430 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
431 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
432
433 if (job_count)
434 basic_len += job_len + 1;
435
436 if (basic_len < (unsigned) columns()) {
437 unsigned extra_len, incr;
438 extra_len = columns() - basic_len;
439
440 /* Either UNIT already got 25, or is fully satisfied.
441 * Grant up to 25 to DESC now. */
442 incr = MIN(extra_len, 25u);
443 desc_len = incr;
444 extra_len -= incr;
445
446 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
447 * description but not more than it needs. */
448 if (extra_len > 0) {
449 incr = MIN(max_id_len - id_len, extra_len);
450 id_len += incr;
451 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
452 }
453 } else
454 desc_len = 0;
455 } else {
456 id_len = max_id_len;
457 desc_len = max_desc_len;
458 }
459
460 for (u = unit_infos; u < unit_infos + c; u++) {
461 _cleanup_free_ char *e = NULL, *j = NULL;
462 const char *on_underline = "", *off_underline = "";
463 const char *on_loaded = "", *off_loaded = "";
464 const char *on_active = "", *off_active = "";
465 const char *on_circle = "", *off_circle = "";
466 const char *id;
467 bool circle = false, underline = false;
468
469 if (!n_shown && !arg_no_legend) {
470
471 if (circle_len > 0)
472 fputs(" ", stdout);
473
474 printf("%s%-*s %-*s %-*s %-*s ",
475 ansi_underline(),
476 id_len, "UNIT",
477 load_len, "LOAD",
478 active_len, "ACTIVE",
479 sub_len, "SUB");
480
481 if (job_count)
482 printf("%-*s ", job_len, "JOB");
483
484 printf("%-*.*s%s\n",
485 desc_len,
486 full ? -1 : (int) desc_len,
487 "DESCRIPTION",
488 ansi_normal());
489 }
490
491 n_shown++;
492
493 if (u + 1 < unit_infos + c &&
494 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
495 on_underline = ansi_underline();
496 off_underline = ansi_normal();
497 underline = true;
498 }
499
500 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
501 on_circle = ansi_highlight_yellow();
502 off_circle = ansi_normal();
503 circle = true;
504 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
505 off_loaded = underline ? on_underline : ansi_normal();
506 } else if (streq(u->active_state, "failed") && !arg_plain) {
507 on_circle = ansi_highlight_red();
508 off_circle = ansi_normal();
509 circle = true;
510 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
511 off_active = underline ? on_underline : ansi_normal();
512 }
513
514 if (u->machine) {
515 j = strjoin(u->machine, ":", u->id);
516 if (!j)
517 return log_oom();
518
519 id = j;
520 } else
521 id = u->id;
522
523 if (arg_full) {
524 e = ellipsize(id, id_len, 33);
525 if (!e)
526 return log_oom();
527
528 id = e;
529 }
530
531 if (circle_len > 0)
532 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
533
534 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
535 on_underline,
536 on_active, id_len, id, off_active,
537 on_loaded, load_len, u->load_state, off_loaded,
538 on_active, active_len, u->active_state,
539 sub_len, u->sub_state, off_active,
540 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
541
542 printf("%-*.*s%s\n",
543 desc_len,
544 full ? -1 : (int) desc_len,
545 u->description,
546 off_underline);
547 }
548
549 if (!arg_no_legend) {
550 const char *on, *off;
551
552 if (n_shown) {
553 puts("\n"
554 "LOAD = Reflects whether the unit definition was properly loaded.\n"
555 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
556 "SUB = The low-level unit activation state, values depend on unit type.");
557 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
558 on = ansi_highlight();
559 off = ansi_normal();
560 } else {
561 on = ansi_highlight_red();
562 off = ansi_normal();
563 }
564
565 if (arg_all || strv_contains(arg_states, "inactive"))
566 printf("%s%u loaded units listed.%s\n"
567 "To show all installed unit files use 'systemctl list-unit-files'.\n",
568 on, n_shown, off);
569 else if (!arg_states)
570 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
571 "To show all installed unit files use 'systemctl list-unit-files'.\n",
572 on, n_shown, off);
573 else
574 printf("%u loaded units listed.\n", n_shown);
575 }
576
577 return 0;
578 }
579
580 static int get_unit_list(
581 sd_bus *bus,
582 const char *machine,
583 char **patterns,
584 UnitInfo **unit_infos,
585 int c,
586 sd_bus_message **_reply) {
587
588 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
589 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
590 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
591 size_t size = c;
592 int r;
593 UnitInfo u;
594 bool fallback = false;
595
596 assert(bus);
597 assert(unit_infos);
598 assert(_reply);
599
600 r = sd_bus_message_new_method_call(
601 bus,
602 &m,
603 "org.freedesktop.systemd1",
604 "/org/freedesktop/systemd1",
605 "org.freedesktop.systemd1.Manager",
606 "ListUnitsByPatterns");
607 if (r < 0)
608 return bus_log_create_error(r);
609
610 r = sd_bus_message_append_strv(m, arg_states);
611 if (r < 0)
612 return bus_log_create_error(r);
613
614 r = sd_bus_message_append_strv(m, patterns);
615 if (r < 0)
616 return bus_log_create_error(r);
617
618 r = sd_bus_call(bus, m, 0, &error, &reply);
619 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
620 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
621 /* Fallback to legacy ListUnitsFiltered method */
622 fallback = true;
623 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
624 m = sd_bus_message_unref(m);
625 sd_bus_error_free(&error);
626
627 r = sd_bus_message_new_method_call(
628 bus,
629 &m,
630 "org.freedesktop.systemd1",
631 "/org/freedesktop/systemd1",
632 "org.freedesktop.systemd1.Manager",
633 "ListUnitsFiltered");
634 if (r < 0)
635 return bus_log_create_error(r);
636
637 r = sd_bus_message_append_strv(m, arg_states);
638 if (r < 0)
639 return bus_log_create_error(r);
640
641 r = sd_bus_call(bus, m, 0, &error, &reply);
642 }
643 if (r < 0)
644 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
645
646 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
647 if (r < 0)
648 return bus_log_parse_error(r);
649
650 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
651 u.machine = machine;
652
653 if (!output_show_unit(&u, fallback ? patterns : NULL))
654 continue;
655
656 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
657 return log_oom();
658
659 (*unit_infos)[c++] = u;
660 }
661 if (r < 0)
662 return bus_log_parse_error(r);
663
664 r = sd_bus_message_exit_container(reply);
665 if (r < 0)
666 return bus_log_parse_error(r);
667
668 *_reply = TAKE_PTR(reply);
669
670 return c;
671 }
672
673 static void message_set_freep(Set **set) {
674 set_free_with_destructor(*set, sd_bus_message_unref);
675 }
676
677 static int get_unit_list_recursive(
678 sd_bus *bus,
679 char **patterns,
680 UnitInfo **_unit_infos,
681 Set **_replies,
682 char ***_machines) {
683
684 _cleanup_free_ UnitInfo *unit_infos = NULL;
685 _cleanup_(message_set_freep) Set *replies;
686 sd_bus_message *reply;
687 int c, r;
688
689 assert(bus);
690 assert(_replies);
691 assert(_unit_infos);
692 assert(_machines);
693
694 replies = set_new(NULL);
695 if (!replies)
696 return log_oom();
697
698 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
699 if (c < 0)
700 return c;
701
702 r = set_put(replies, reply);
703 if (r < 0) {
704 sd_bus_message_unref(reply);
705 return log_oom();
706 }
707
708 if (arg_recursive) {
709 _cleanup_strv_free_ char **machines = NULL;
710 char **i;
711
712 r = sd_get_machine_names(&machines);
713 if (r < 0)
714 return log_error_errno(r, "Failed to get machine names: %m");
715
716 STRV_FOREACH(i, machines) {
717 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
718 int k;
719
720 r = sd_bus_open_system_machine(&container, *i);
721 if (r < 0) {
722 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
723 continue;
724 }
725
726 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
727 if (k < 0)
728 return k;
729
730 c = k;
731
732 r = set_put(replies, reply);
733 if (r < 0) {
734 sd_bus_message_unref(reply);
735 return log_oom();
736 }
737 }
738
739 *_machines = TAKE_PTR(machines);
740 } else
741 *_machines = NULL;
742
743 *_unit_infos = TAKE_PTR(unit_infos);
744 *_replies = TAKE_PTR(replies);
745
746 return c;
747 }
748
749 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret, bool *ret_expanded) {
750 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
751 char **name;
752 int r, i;
753
754 assert(bus);
755 assert(ret);
756
757 STRV_FOREACH(name, names) {
758 char *t;
759 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
760
761 r = unit_name_mangle_with_suffix(*name, NULL, options, suffix ?: ".service", &t);
762 if (r < 0)
763 return log_error_errno(r, "Failed to mangle name: %m");
764
765 if (string_is_glob(t))
766 r = strv_consume(&globs, t);
767 else
768 r = strv_consume(&mangled, t);
769 if (r < 0)
770 return log_oom();
771 }
772
773 /* Query the manager only if any of the names are a glob, since
774 * this is fairly expensive */
775 bool expanded = !strv_isempty(globs);
776 if (expanded) {
777 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
778 _cleanup_free_ UnitInfo *unit_infos = NULL;
779 size_t allocated, n;
780
781 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
782 if (r < 0)
783 return r;
784
785 n = strv_length(mangled);
786 allocated = n + 1;
787
788 for (i = 0; i < r; i++) {
789 if (!GREEDY_REALLOC(mangled, allocated, n+2))
790 return log_oom();
791
792 mangled[n] = strdup(unit_infos[i].id);
793 if (!mangled[n])
794 return log_oom();
795
796 mangled[++n] = NULL;
797 }
798 }
799
800 if (ret_expanded)
801 *ret_expanded = expanded;
802
803 *ret = TAKE_PTR(mangled);
804 return 0;
805 }
806
807 static int list_units(int argc, char *argv[], void *userdata) {
808 _cleanup_free_ UnitInfo *unit_infos = NULL;
809 _cleanup_(message_set_freep) Set *replies = NULL;
810 _cleanup_strv_free_ char **machines = NULL;
811 sd_bus *bus;
812 int r;
813
814 r = acquire_bus(BUS_MANAGER, &bus);
815 if (r < 0)
816 return r;
817
818 (void) pager_open(arg_pager_flags);
819
820 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
821 if (r < 0)
822 return r;
823
824 typesafe_qsort(unit_infos, r, compare_unit_info);
825 return output_units_list(unit_infos, r);
826 }
827
828 static int get_triggered_units(
829 sd_bus *bus,
830 const char* path,
831 char*** ret) {
832
833 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
834 int r;
835
836 assert(bus);
837 assert(path);
838 assert(ret);
839
840 r = sd_bus_get_property_strv(
841 bus,
842 "org.freedesktop.systemd1",
843 path,
844 "org.freedesktop.systemd1.Unit",
845 "Triggers",
846 &error,
847 ret);
848 if (r < 0)
849 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
850
851 return 0;
852 }
853
854 static int get_listening(
855 sd_bus *bus,
856 const char* unit_path,
857 char*** listening) {
858
859 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
860 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
861 const char *type, *path;
862 int r, n = 0;
863
864 r = sd_bus_get_property(
865 bus,
866 "org.freedesktop.systemd1",
867 unit_path,
868 "org.freedesktop.systemd1.Socket",
869 "Listen",
870 &error,
871 &reply,
872 "a(ss)");
873 if (r < 0)
874 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
875
876 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
877 if (r < 0)
878 return bus_log_parse_error(r);
879
880 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
881
882 r = strv_extend(listening, type);
883 if (r < 0)
884 return log_oom();
885
886 r = strv_extend(listening, path);
887 if (r < 0)
888 return log_oom();
889
890 n++;
891 }
892 if (r < 0)
893 return bus_log_parse_error(r);
894
895 r = sd_bus_message_exit_container(reply);
896 if (r < 0)
897 return bus_log_parse_error(r);
898
899 return n;
900 }
901
902 struct socket_info {
903 const char *machine;
904 const char* id;
905
906 char* type;
907 char* path;
908
909 /* Note: triggered is a list here, although it almost certainly
910 * will always be one unit. Nevertheless, dbus API allows for multiple
911 * values, so let's follow that. */
912 char** triggered;
913
914 /* The strv above is shared. free is set only in the first one. */
915 bool own_triggered;
916 };
917
918 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
919 int r;
920
921 assert(a);
922 assert(b);
923
924 if (!a->machine && b->machine)
925 return -1;
926 if (a->machine && !b->machine)
927 return 1;
928 if (a->machine && b->machine) {
929 r = strcasecmp(a->machine, b->machine);
930 if (r != 0)
931 return r;
932 }
933
934 r = strcmp(a->path, b->path);
935 if (r == 0)
936 r = strcmp(a->type, b->type);
937
938 return r;
939 }
940
941 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
942 struct socket_info *s;
943 unsigned pathlen = STRLEN("LISTEN"),
944 typelen = STRLEN("TYPE") * arg_show_types,
945 socklen = STRLEN("UNIT"),
946 servlen = STRLEN("ACTIVATES");
947 const char *on, *off;
948
949 for (s = socket_infos; s < socket_infos + cs; s++) {
950 unsigned tmp = 0;
951 char **a;
952
953 socklen = MAX(socklen, strlen(s->id));
954 if (arg_show_types)
955 typelen = MAX(typelen, strlen(s->type));
956 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
957
958 STRV_FOREACH(a, s->triggered)
959 tmp += strlen(*a) + 2*(a != s->triggered);
960 servlen = MAX(servlen, tmp);
961 }
962
963 if (cs) {
964 if (!arg_no_legend)
965 printf("%-*s %-*.*s%-*s %s\n",
966 pathlen, "LISTEN",
967 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
968 socklen, "UNIT",
969 "ACTIVATES");
970
971 for (s = socket_infos; s < socket_infos + cs; s++) {
972 _cleanup_free_ char *j = NULL;
973 const char *path;
974 char **a;
975
976 if (s->machine) {
977 j = strjoin(s->machine, ":", s->path);
978 if (!j)
979 return log_oom();
980 path = j;
981 } else
982 path = s->path;
983
984 if (arg_show_types)
985 printf("%-*s %-*s %-*s",
986 pathlen, path, typelen, s->type, socklen, s->id);
987 else
988 printf("%-*s %-*s",
989 pathlen, path, socklen, s->id);
990 STRV_FOREACH(a, s->triggered)
991 printf("%s %s",
992 a == s->triggered ? "" : ",", *a);
993 printf("\n");
994 }
995
996 on = ansi_highlight();
997 off = ansi_normal();
998 if (!arg_no_legend)
999 printf("\n");
1000 } else {
1001 on = ansi_highlight_red();
1002 off = ansi_normal();
1003 }
1004
1005 if (!arg_no_legend) {
1006 printf("%s%u sockets listed.%s\n", on, cs, off);
1007 if (!arg_all)
1008 printf("Pass --all to see loaded but inactive sockets, too.\n");
1009 }
1010
1011 return 0;
1012 }
1013
1014 static int list_sockets(int argc, char *argv[], void *userdata) {
1015 _cleanup_(message_set_freep) Set *replies = NULL;
1016 _cleanup_strv_free_ char **machines = NULL;
1017 _cleanup_strv_free_ char **sockets_with_suffix = NULL;
1018 _cleanup_free_ UnitInfo *unit_infos = NULL;
1019 _cleanup_free_ struct socket_info *socket_infos = NULL;
1020 const UnitInfo *u;
1021 struct socket_info *s;
1022 unsigned cs = 0;
1023 size_t size = 0;
1024 int r = 0, n;
1025 sd_bus *bus;
1026
1027 r = acquire_bus(BUS_MANAGER, &bus);
1028 if (r < 0)
1029 return r;
1030
1031 (void) pager_open(arg_pager_flags);
1032
1033 r = expand_names(bus, strv_skip(argv, 1), ".socket", &sockets_with_suffix, NULL);
1034 if (r < 0)
1035 return r;
1036
1037 if (argc == 1 || sockets_with_suffix) {
1038 n = get_unit_list_recursive(bus, sockets_with_suffix, &unit_infos, &replies, &machines);
1039 if (n < 0)
1040 return n;
1041
1042 for (u = unit_infos; u < unit_infos + n; u++) {
1043 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
1044 int i, c;
1045
1046 if (!endswith(u->id, ".socket"))
1047 continue;
1048
1049 r = get_triggered_units(bus, u->unit_path, &triggered);
1050 if (r < 0)
1051 goto cleanup;
1052
1053 c = get_listening(bus, u->unit_path, &listening);
1054 if (c < 0) {
1055 r = c;
1056 goto cleanup;
1057 }
1058
1059 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
1060 r = log_oom();
1061 goto cleanup;
1062 }
1063
1064 for (i = 0; i < c; i++)
1065 socket_infos[cs + i] = (struct socket_info) {
1066 .machine = u->machine,
1067 .id = u->id,
1068 .type = listening[i*2],
1069 .path = listening[i*2 + 1],
1070 .triggered = triggered,
1071 .own_triggered = i==0,
1072 };
1073
1074 /* from this point on we will cleanup those socket_infos */
1075 cs += c;
1076 free(listening);
1077 listening = triggered = NULL; /* avoid cleanup */
1078 }
1079
1080 typesafe_qsort(socket_infos, cs, socket_info_compare);
1081 }
1082
1083 output_sockets_list(socket_infos, cs);
1084
1085 cleanup:
1086 assert(cs == 0 || socket_infos);
1087 for (s = socket_infos; s < socket_infos + cs; s++) {
1088 free(s->type);
1089 free(s->path);
1090 if (s->own_triggered)
1091 strv_free(s->triggered);
1092 }
1093
1094 return r;
1095 }
1096
1097 static int get_next_elapse(
1098 sd_bus *bus,
1099 const char *path,
1100 dual_timestamp *next) {
1101
1102 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1103 dual_timestamp t;
1104 int r;
1105
1106 assert(bus);
1107 assert(path);
1108 assert(next);
1109
1110 r = sd_bus_get_property_trivial(
1111 bus,
1112 "org.freedesktop.systemd1",
1113 path,
1114 "org.freedesktop.systemd1.Timer",
1115 "NextElapseUSecMonotonic",
1116 &error,
1117 't',
1118 &t.monotonic);
1119 if (r < 0)
1120 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1121
1122 r = sd_bus_get_property_trivial(
1123 bus,
1124 "org.freedesktop.systemd1",
1125 path,
1126 "org.freedesktop.systemd1.Timer",
1127 "NextElapseUSecRealtime",
1128 &error,
1129 't',
1130 &t.realtime);
1131 if (r < 0)
1132 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1133
1134 *next = t;
1135 return 0;
1136 }
1137
1138 static int get_last_trigger(
1139 sd_bus *bus,
1140 const char *path,
1141 usec_t *last) {
1142
1143 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1144 int r;
1145
1146 assert(bus);
1147 assert(path);
1148 assert(last);
1149
1150 r = sd_bus_get_property_trivial(
1151 bus,
1152 "org.freedesktop.systemd1",
1153 path,
1154 "org.freedesktop.systemd1.Timer",
1155 "LastTriggerUSec",
1156 &error,
1157 't',
1158 last);
1159 if (r < 0)
1160 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1161
1162 return 0;
1163 }
1164
1165 struct timer_info {
1166 const char* machine;
1167 const char* id;
1168 usec_t next_elapse;
1169 usec_t last_trigger;
1170 char** triggered;
1171 };
1172
1173 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1174 int r;
1175
1176 assert(a);
1177 assert(b);
1178
1179 if (!a->machine && b->machine)
1180 return -1;
1181 if (a->machine && !b->machine)
1182 return 1;
1183 if (a->machine && b->machine) {
1184 r = strcasecmp(a->machine, b->machine);
1185 if (r != 0)
1186 return r;
1187 }
1188
1189 r = CMP(a->next_elapse, b->next_elapse);
1190 if (r != 0)
1191 return r;
1192
1193 return strcmp(a->id, b->id);
1194 }
1195
1196 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1197 struct timer_info *t;
1198 unsigned
1199 nextlen = STRLEN("NEXT"),
1200 leftlen = STRLEN("LEFT"),
1201 lastlen = STRLEN("LAST"),
1202 passedlen = STRLEN("PASSED"),
1203 unitlen = STRLEN("UNIT"),
1204 activatelen = STRLEN("ACTIVATES");
1205
1206 const char *on, *off;
1207
1208 assert(timer_infos || n == 0);
1209
1210 for (t = timer_infos; t < timer_infos + n; t++) {
1211 unsigned ul = 0;
1212 char **a;
1213
1214 if (t->next_elapse > 0) {
1215 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1216
1217 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1218 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1219
1220 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1221 leftlen = MAX(leftlen, strlen(trel));
1222 }
1223
1224 if (t->last_trigger > 0) {
1225 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1226
1227 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1228 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1229
1230 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1231 passedlen = MAX(passedlen, strlen(trel));
1232 }
1233
1234 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1235
1236 STRV_FOREACH(a, t->triggered)
1237 ul += strlen(*a) + 2*(a != t->triggered);
1238
1239 activatelen = MAX(activatelen, ul);
1240 }
1241
1242 if (n > 0) {
1243 if (!arg_no_legend)
1244 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1245 nextlen, "NEXT",
1246 leftlen, "LEFT",
1247 lastlen, "LAST",
1248 passedlen, "PASSED",
1249 unitlen, "UNIT",
1250 "ACTIVATES");
1251
1252 for (t = timer_infos; t < timer_infos + n; t++) {
1253 _cleanup_free_ char *j = NULL;
1254 const char *unit;
1255 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1256 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1257 char **a;
1258
1259 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1260 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1261
1262 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1263 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1264
1265 if (t->machine) {
1266 j = strjoin(t->machine, ":", t->id);
1267 if (!j)
1268 return log_oom();
1269 unit = j;
1270 } else
1271 unit = t->id;
1272
1273 printf("%-*s %-*s %-*s %-*s %-*s",
1274 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1275
1276 STRV_FOREACH(a, t->triggered)
1277 printf("%s %s",
1278 a == t->triggered ? "" : ",", *a);
1279 printf("\n");
1280 }
1281
1282 on = ansi_highlight();
1283 off = ansi_normal();
1284 if (!arg_no_legend)
1285 printf("\n");
1286 } else {
1287 on = ansi_highlight_red();
1288 off = ansi_normal();
1289 }
1290
1291 if (!arg_no_legend) {
1292 printf("%s%u timers listed.%s\n", on, n, off);
1293 if (!arg_all)
1294 printf("Pass --all to see loaded but inactive timers, too.\n");
1295 }
1296
1297 return 0;
1298 }
1299
1300 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1301 usec_t next_elapse;
1302
1303 assert(nw);
1304 assert(next);
1305
1306 if (timestamp_is_set(next->monotonic)) {
1307 usec_t converted;
1308
1309 if (next->monotonic > nw->monotonic)
1310 converted = nw->realtime + (next->monotonic - nw->monotonic);
1311 else
1312 converted = nw->realtime - (nw->monotonic - next->monotonic);
1313
1314 if (timestamp_is_set(next->realtime))
1315 next_elapse = MIN(converted, next->realtime);
1316 else
1317 next_elapse = converted;
1318
1319 } else
1320 next_elapse = next->realtime;
1321
1322 return next_elapse;
1323 }
1324
1325 static int list_timers(int argc, char *argv[], void *userdata) {
1326 _cleanup_(message_set_freep) Set *replies = NULL;
1327 _cleanup_strv_free_ char **machines = NULL;
1328 _cleanup_strv_free_ char **timers_with_suffix = NULL;
1329 _cleanup_free_ struct timer_info *timer_infos = NULL;
1330 _cleanup_free_ UnitInfo *unit_infos = NULL;
1331 struct timer_info *t;
1332 const UnitInfo *u;
1333 size_t size = 0;
1334 int n, c = 0;
1335 dual_timestamp nw;
1336 sd_bus *bus;
1337 int r = 0;
1338
1339 r = acquire_bus(BUS_MANAGER, &bus);
1340 if (r < 0)
1341 return r;
1342
1343 (void) pager_open(arg_pager_flags);
1344
1345 r = expand_names(bus, strv_skip(argv, 1), ".timer", &timers_with_suffix, NULL);
1346 if (r < 0)
1347 return r;
1348
1349 if (argc == 1 || timers_with_suffix) {
1350 n = get_unit_list_recursive(bus, timers_with_suffix, &unit_infos, &replies, &machines);
1351 if (n < 0)
1352 return n;
1353
1354 dual_timestamp_get(&nw);
1355
1356 for (u = unit_infos; u < unit_infos + n; u++) {
1357 _cleanup_strv_free_ char **triggered = NULL;
1358 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1359 usec_t m, last = 0;
1360
1361 if (!endswith(u->id, ".timer"))
1362 continue;
1363
1364 r = get_triggered_units(bus, u->unit_path, &triggered);
1365 if (r < 0)
1366 goto cleanup;
1367
1368 r = get_next_elapse(bus, u->unit_path, &next);
1369 if (r < 0)
1370 goto cleanup;
1371
1372 get_last_trigger(bus, u->unit_path, &last);
1373
1374 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1375 r = log_oom();
1376 goto cleanup;
1377 }
1378
1379 m = calc_next_elapse(&nw, &next);
1380
1381 timer_infos[c++] = (struct timer_info) {
1382 .machine = u->machine,
1383 .id = u->id,
1384 .next_elapse = m,
1385 .last_trigger = last,
1386 .triggered = TAKE_PTR(triggered),
1387 };
1388 }
1389
1390 typesafe_qsort(timer_infos, c, timer_info_compare);
1391 }
1392
1393 output_timers_list(timer_infos, c);
1394
1395 cleanup:
1396 for (t = timer_infos; t < timer_infos + c; t++)
1397 strv_free(t->triggered);
1398
1399 return r;
1400 }
1401
1402 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1403 const char *d1, *d2;
1404
1405 d1 = strrchr(a->path, '.');
1406 d2 = strrchr(b->path, '.');
1407
1408 if (d1 && d2) {
1409 int r;
1410
1411 r = strcasecmp(d1, d2);
1412 if (r != 0)
1413 return r;
1414 }
1415
1416 return strcasecmp(basename(a->path), basename(b->path));
1417 }
1418
1419 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1420 assert(u);
1421
1422 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1423 return false;
1424
1425 if (!strv_isempty(arg_types)) {
1426 const char *dot;
1427
1428 dot = strrchr(u->path, '.');
1429 if (!dot)
1430 return false;
1431
1432 if (!strv_find(arg_types, dot+1))
1433 return false;
1434 }
1435
1436 if (!strv_isempty(states) &&
1437 !strv_find(states, unit_file_state_to_string(u->state)))
1438 return false;
1439
1440 return true;
1441 }
1442
1443 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1444 unsigned max_id_len, id_cols, state_cols;
1445 const UnitFileList *u;
1446
1447 max_id_len = STRLEN("UNIT FILE");
1448 state_cols = STRLEN("STATE");
1449
1450 for (u = units; u < units + c; u++) {
1451 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1452 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1453 }
1454
1455 if (!arg_full) {
1456 unsigned basic_cols;
1457
1458 id_cols = MIN(max_id_len, 25u);
1459 basic_cols = 1 + id_cols + state_cols;
1460 if (basic_cols < (unsigned) columns())
1461 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1462 } else
1463 id_cols = max_id_len;
1464
1465 if (!arg_no_legend && c > 0)
1466 printf("%s%-*s %-*s%s\n",
1467 ansi_underline(),
1468 id_cols, "UNIT FILE",
1469 state_cols, "STATE",
1470 ansi_normal());
1471
1472 for (u = units; u < units + c; u++) {
1473 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1474 _cleanup_free_ char *e = NULL;
1475 bool underline;
1476
1477 underline = u + 1 < units + c &&
1478 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1479
1480 if (underline)
1481 on_underline = ansi_underline();
1482
1483 if (IN_SET(u->state,
1484 UNIT_FILE_MASKED,
1485 UNIT_FILE_MASKED_RUNTIME,
1486 UNIT_FILE_DISABLED,
1487 UNIT_FILE_BAD))
1488 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1489 else if (u->state == UNIT_FILE_ENABLED)
1490 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1491
1492 if (on_underline || on_color)
1493 off = ansi_normal();
1494
1495 id = basename(u->path);
1496
1497 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1498
1499 printf("%s%-*s %s%-*s%s\n",
1500 strempty(on_underline),
1501 id_cols, e ? e : id,
1502 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1503 }
1504
1505 if (!arg_no_legend)
1506 printf("\n%u unit files listed.\n", c);
1507 }
1508
1509 static int list_unit_files(int argc, char *argv[], void *userdata) {
1510 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1511 _cleanup_free_ UnitFileList *units = NULL;
1512 UnitFileList *unit;
1513 size_t size = 0;
1514 unsigned c = 0;
1515 const char *state;
1516 char *path;
1517 int r;
1518 bool fallback = false;
1519
1520 if (install_client_side()) {
1521 Hashmap *h;
1522 UnitFileList *u;
1523 Iterator i;
1524 unsigned n_units;
1525
1526 h = hashmap_new(&string_hash_ops);
1527 if (!h)
1528 return log_oom();
1529
1530 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1531 if (r < 0) {
1532 unit_file_list_free(h);
1533 return log_error_errno(r, "Failed to get unit file list: %m");
1534 }
1535
1536 n_units = hashmap_size(h);
1537
1538 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1539 if (!units) {
1540 unit_file_list_free(h);
1541 return log_oom();
1542 }
1543
1544 HASHMAP_FOREACH(u, h, i) {
1545 if (!output_show_unit_file(u, NULL, NULL))
1546 continue;
1547
1548 units[c++] = *u;
1549 free(u);
1550 }
1551
1552 assert(c <= n_units);
1553 hashmap_free(h);
1554
1555 r = 0;
1556 } else {
1557 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1558 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1559 sd_bus *bus;
1560
1561 r = acquire_bus(BUS_MANAGER, &bus);
1562 if (r < 0)
1563 return r;
1564
1565 r = sd_bus_message_new_method_call(
1566 bus,
1567 &m,
1568 "org.freedesktop.systemd1",
1569 "/org/freedesktop/systemd1",
1570 "org.freedesktop.systemd1.Manager",
1571 "ListUnitFilesByPatterns");
1572 if (r < 0)
1573 return bus_log_create_error(r);
1574
1575 r = sd_bus_message_append_strv(m, arg_states);
1576 if (r < 0)
1577 return bus_log_create_error(r);
1578
1579 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1580 if (r < 0)
1581 return bus_log_create_error(r);
1582
1583 r = sd_bus_call(bus, m, 0, &error, &reply);
1584 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1585 /* Fallback to legacy ListUnitFiles method */
1586 fallback = true;
1587 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1588 m = sd_bus_message_unref(m);
1589 sd_bus_error_free(&error);
1590
1591 r = sd_bus_message_new_method_call(
1592 bus,
1593 &m,
1594 "org.freedesktop.systemd1",
1595 "/org/freedesktop/systemd1",
1596 "org.freedesktop.systemd1.Manager",
1597 "ListUnitFiles");
1598 if (r < 0)
1599 return bus_log_create_error(r);
1600
1601 r = sd_bus_call(bus, m, 0, &error, &reply);
1602 }
1603 if (r < 0)
1604 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1605
1606 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1607 if (r < 0)
1608 return bus_log_parse_error(r);
1609
1610 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1611
1612 if (!GREEDY_REALLOC(units, size, c + 1))
1613 return log_oom();
1614
1615 units[c] = (struct UnitFileList) {
1616 path,
1617 unit_file_state_from_string(state)
1618 };
1619
1620 if (output_show_unit_file(&units[c],
1621 fallback ? arg_states : NULL,
1622 fallback ? strv_skip(argv, 1) : NULL))
1623 c++;
1624
1625 }
1626 if (r < 0)
1627 return bus_log_parse_error(r);
1628
1629 r = sd_bus_message_exit_container(reply);
1630 if (r < 0)
1631 return bus_log_parse_error(r);
1632 }
1633
1634 (void) pager_open(arg_pager_flags);
1635
1636 typesafe_qsort(units, c, compare_unit_file_list);
1637 output_unit_file_list(units, c);
1638
1639 if (install_client_side())
1640 for (unit = units; unit < units + c; unit++)
1641 free(unit->path);
1642
1643 return 0;
1644 }
1645
1646 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1647 _cleanup_free_ char *n = NULL;
1648 size_t max_len = MAX(columns(),20u);
1649 size_t len = 0;
1650 int i;
1651
1652 if (!arg_plain) {
1653
1654 for (i = level - 1; i >= 0; i--) {
1655 len += 2;
1656 if (len > max_len - 3 && !arg_full) {
1657 printf("%s...\n",max_len % 2 ? "" : " ");
1658 return 0;
1659 }
1660 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1661 }
1662 len += 2;
1663
1664 if (len > max_len - 3 && !arg_full) {
1665 printf("%s...\n",max_len % 2 ? "" : " ");
1666 return 0;
1667 }
1668
1669 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1670 }
1671
1672 if (arg_full) {
1673 printf("%s\n", name);
1674 return 0;
1675 }
1676
1677 n = ellipsize(name, max_len-len, 100);
1678 if (!n)
1679 return log_oom();
1680
1681 printf("%s\n", n);
1682 return 0;
1683 }
1684
1685 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1686 struct DependencyStatusInfo {
1687 char **dep[5];
1688 } info = {};
1689
1690 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1691 [DEPENDENCY_FORWARD] = {
1692 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1693 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1694 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1695 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1696 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1697 {}
1698 },
1699 [DEPENDENCY_REVERSE] = {
1700 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1701 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1702 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1703 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1704 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1705 {}
1706 },
1707 [DEPENDENCY_AFTER] = {
1708 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1709 {}
1710 },
1711 [DEPENDENCY_BEFORE] = {
1712 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1713 {}
1714 },
1715 };
1716
1717 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1718 _cleanup_strv_free_ char **ret = NULL;
1719 _cleanup_free_ char *dbus_path = NULL;
1720 int i, r;
1721
1722 assert(bus);
1723 assert(name);
1724 assert(deps);
1725
1726 dbus_path = unit_dbus_path_from_name(name);
1727 if (!dbus_path)
1728 return log_oom();
1729
1730 r = bus_map_all_properties(bus,
1731 "org.freedesktop.systemd1",
1732 dbus_path,
1733 map[arg_dependency],
1734 BUS_MAP_STRDUP,
1735 &error,
1736 NULL,
1737 &info);
1738 if (r < 0)
1739 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1740
1741 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1742 *deps = info.dep[0];
1743 return 0;
1744 }
1745
1746 for (i = 0; i < 5; i++) {
1747 r = strv_extend_strv(&ret, info.dep[i], true);
1748 if (r < 0)
1749 return log_oom();
1750 info.dep[i] = strv_free(info.dep[i]);
1751 }
1752
1753 *deps = TAKE_PTR(ret);
1754
1755 return 0;
1756 }
1757
1758 static int list_dependencies_compare(char * const *a, char * const *b) {
1759 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1760 return 1;
1761 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1762 return -1;
1763
1764 return strcasecmp(*a, *b);
1765 }
1766
1767 static int list_dependencies_one(
1768 sd_bus *bus,
1769 const char *name,
1770 int level,
1771 char ***units,
1772 unsigned branches) {
1773
1774 _cleanup_strv_free_ char **deps = NULL;
1775 char **c;
1776 int r = 0;
1777
1778 assert(bus);
1779 assert(name);
1780 assert(units);
1781
1782 r = strv_extend(units, name);
1783 if (r < 0)
1784 return log_oom();
1785
1786 r = list_dependencies_get_dependencies(bus, name, &deps);
1787 if (r < 0)
1788 return r;
1789
1790 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1791
1792 STRV_FOREACH(c, deps) {
1793 if (strv_contains(*units, *c)) {
1794 if (!arg_plain) {
1795 printf(" ");
1796 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1797 if (r < 0)
1798 return r;
1799 }
1800 continue;
1801 }
1802
1803 if (arg_plain)
1804 printf(" ");
1805 else {
1806 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1807 const char *on;
1808
1809 (void) get_state_one_unit(bus, *c, &active_state);
1810
1811 switch (active_state) {
1812 case UNIT_ACTIVE:
1813 case UNIT_RELOADING:
1814 case UNIT_ACTIVATING:
1815 on = ansi_highlight_green();
1816 break;
1817
1818 case UNIT_INACTIVE:
1819 case UNIT_DEACTIVATING:
1820 on = ansi_normal();
1821 break;
1822
1823 default:
1824 on = ansi_highlight_red();
1825 break;
1826 }
1827
1828 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1829 }
1830
1831 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1832 if (r < 0)
1833 return r;
1834
1835 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1836 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1837 if (r < 0)
1838 return r;
1839 }
1840 }
1841
1842 if (!arg_plain)
1843 strv_remove(*units, name);
1844
1845 return 0;
1846 }
1847
1848 static int list_dependencies(int argc, char *argv[], void *userdata) {
1849 _cleanup_strv_free_ char **units = NULL;
1850 _cleanup_free_ char *unit = NULL;
1851 const char *u;
1852 sd_bus *bus;
1853 int r;
1854
1855 if (argv[1]) {
1856 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1857 if (r < 0)
1858 return log_error_errno(r, "Failed to mangle unit name: %m");
1859
1860 u = unit;
1861 } else
1862 u = SPECIAL_DEFAULT_TARGET;
1863
1864 r = acquire_bus(BUS_MANAGER, &bus);
1865 if (r < 0)
1866 return r;
1867
1868 (void) pager_open(arg_pager_flags);
1869
1870 puts(u);
1871
1872 return list_dependencies_one(bus, u, 0, &units, 0);
1873 }
1874
1875 struct machine_info {
1876 bool is_host;
1877 char *name;
1878 char *state;
1879 char *control_group;
1880 uint32_t n_failed_units;
1881 uint32_t n_jobs;
1882 usec_t timestamp;
1883 };
1884
1885 static const struct bus_properties_map machine_info_property_map[] = {
1886 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1887 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1888 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1889 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1890 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1891 {}
1892 };
1893
1894 static void machine_info_clear(struct machine_info *info) {
1895 assert(info);
1896
1897 free(info->name);
1898 free(info->state);
1899 free(info->control_group);
1900 zero(*info);
1901 }
1902
1903 static void free_machines_list(struct machine_info *machine_infos, int n) {
1904 int i;
1905
1906 if (!machine_infos)
1907 return;
1908
1909 for (i = 0; i < n; i++)
1910 machine_info_clear(&machine_infos[i]);
1911
1912 free(machine_infos);
1913 }
1914
1915 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1916 int r;
1917
1918 r = CMP(b->is_host, a->is_host);
1919 if (r != 0)
1920 return r;
1921
1922 return strcasecmp(a->name, b->name);
1923 }
1924
1925 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1926 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1927 int r;
1928
1929 assert(mi);
1930
1931 if (!bus) {
1932 r = sd_bus_open_system_machine(&container, mi->name);
1933 if (r < 0)
1934 return r;
1935
1936 bus = container;
1937 }
1938
1939 r = bus_map_all_properties(
1940 bus,
1941 "org.freedesktop.systemd1",
1942 "/org/freedesktop/systemd1",
1943 machine_info_property_map,
1944 BUS_MAP_STRDUP,
1945 NULL,
1946 NULL,
1947 mi);
1948 if (r < 0)
1949 return r;
1950
1951 return 0;
1952 }
1953
1954 static bool output_show_machine(const char *name, char **patterns) {
1955 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1956 }
1957
1958 static int get_machine_list(
1959 sd_bus *bus,
1960 struct machine_info **_machine_infos,
1961 char **patterns) {
1962
1963 struct machine_info *machine_infos = NULL;
1964 _cleanup_strv_free_ char **m = NULL;
1965 _cleanup_free_ char *hn = NULL;
1966 size_t sz = 0;
1967 char **i;
1968 int c = 0, r;
1969
1970 hn = gethostname_malloc();
1971 if (!hn)
1972 return log_oom();
1973
1974 if (output_show_machine(hn, patterns)) {
1975 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1976 return log_oom();
1977
1978 machine_infos[c].is_host = true;
1979 machine_infos[c].name = TAKE_PTR(hn);
1980
1981 (void) get_machine_properties(bus, &machine_infos[c]);
1982 c++;
1983 }
1984
1985 r = sd_get_machine_names(&m);
1986 if (r < 0)
1987 return log_error_errno(r, "Failed to get machine list: %m");
1988
1989 STRV_FOREACH(i, m) {
1990 _cleanup_free_ char *class = NULL;
1991
1992 if (!output_show_machine(*i, patterns))
1993 continue;
1994
1995 sd_machine_get_class(*i, &class);
1996 if (!streq_ptr(class, "container"))
1997 continue;
1998
1999 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
2000 free_machines_list(machine_infos, c);
2001 return log_oom();
2002 }
2003
2004 machine_infos[c].is_host = false;
2005 machine_infos[c].name = strdup(*i);
2006 if (!machine_infos[c].name) {
2007 free_machines_list(machine_infos, c);
2008 return log_oom();
2009 }
2010
2011 (void) get_machine_properties(NULL, &machine_infos[c]);
2012 c++;
2013 }
2014
2015 *_machine_infos = machine_infos;
2016 return c;
2017 }
2018
2019 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
2020 struct machine_info *m;
2021 unsigned
2022 circle_len = 0,
2023 namelen = STRLEN("NAME"),
2024 statelen = STRLEN("STATE"),
2025 failedlen = STRLEN("FAILED"),
2026 jobslen = STRLEN("JOBS");
2027 bool state_missing = false;
2028
2029 assert(machine_infos || n == 0);
2030
2031 for (m = machine_infos; m < machine_infos + n; m++) {
2032 namelen = MAX(namelen,
2033 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
2034 statelen = MAX(statelen, strlen_ptr(m->state));
2035 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
2036 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
2037
2038 if (!arg_plain && m->state && !streq(m->state, "running"))
2039 circle_len = 2;
2040 }
2041
2042 if (!arg_no_legend) {
2043 if (circle_len > 0)
2044 fputs(" ", stdout);
2045
2046 printf("%-*s %-*s %-*s %-*s\n",
2047 namelen, "NAME",
2048 statelen, "STATE",
2049 failedlen, "FAILED",
2050 jobslen, "JOBS");
2051 }
2052
2053 for (m = machine_infos; m < machine_infos + n; m++) {
2054 const char *on_state = "", *off_state = "";
2055 const char *on_failed = "", *off_failed = "";
2056 bool circle = false;
2057
2058 if (streq_ptr(m->state, "degraded")) {
2059 on_state = ansi_highlight_red();
2060 off_state = ansi_normal();
2061 circle = true;
2062 } else if (!streq_ptr(m->state, "running")) {
2063 on_state = ansi_highlight_yellow();
2064 off_state = ansi_normal();
2065 circle = true;
2066 }
2067
2068 if (m->n_failed_units > 0) {
2069 on_failed = ansi_highlight_red();
2070 off_failed = ansi_normal();
2071 } else
2072 on_failed = off_failed = "";
2073
2074 if (circle_len > 0)
2075 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
2076
2077 if (!m->state)
2078 state_missing = true;
2079
2080 if (m->is_host)
2081 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2082 (int) (namelen - strlen(" (host)")),
2083 strna(m->name),
2084 on_state, statelen, strna(m->state), off_state,
2085 on_failed, failedlen, m->n_failed_units, off_failed,
2086 jobslen, m->n_jobs);
2087 else
2088 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2089 namelen, strna(m->name),
2090 on_state, statelen, strna(m->state), off_state,
2091 on_failed, failedlen, m->n_failed_units, off_failed,
2092 jobslen, m->n_jobs);
2093 }
2094
2095 if (!arg_no_legend) {
2096 printf("\n");
2097 if (state_missing && geteuid() != 0)
2098 printf("Notice: some information only available to privileged users was not shown.\n");
2099 printf("%u machines listed.\n", n);
2100 }
2101 }
2102
2103 static int list_machines(int argc, char *argv[], void *userdata) {
2104 struct machine_info *machine_infos = NULL;
2105 sd_bus *bus;
2106 int r;
2107
2108 r = acquire_bus(BUS_MANAGER, &bus);
2109 if (r < 0)
2110 return r;
2111
2112 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2113 if (r < 0)
2114 return r;
2115
2116 (void) pager_open(arg_pager_flags);
2117
2118 typesafe_qsort(machine_infos, r, compare_machine_info);
2119 output_machines_list(machine_infos, r);
2120 free_machines_list(machine_infos, r);
2121
2122 return 0;
2123 }
2124
2125 static int get_default(int argc, char *argv[], void *userdata) {
2126 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2127 _cleanup_free_ char *_path = NULL;
2128 const char *path;
2129 int r;
2130
2131 if (install_client_side()) {
2132 r = unit_file_get_default(arg_scope, arg_root, &_path);
2133 if (r < 0)
2134 return log_error_errno(r, "Failed to get default target: %m");
2135 path = _path;
2136
2137 r = 0;
2138 } else {
2139 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2140 sd_bus *bus;
2141
2142 r = acquire_bus(BUS_MANAGER, &bus);
2143 if (r < 0)
2144 return r;
2145
2146 r = sd_bus_call_method(
2147 bus,
2148 "org.freedesktop.systemd1",
2149 "/org/freedesktop/systemd1",
2150 "org.freedesktop.systemd1.Manager",
2151 "GetDefaultTarget",
2152 &error,
2153 &reply,
2154 NULL);
2155 if (r < 0)
2156 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2157
2158 r = sd_bus_message_read(reply, "s", &path);
2159 if (r < 0)
2160 return bus_log_parse_error(r);
2161 }
2162
2163 if (path)
2164 printf("%s\n", path);
2165
2166 return 0;
2167 }
2168
2169 static int set_default(int argc, char *argv[], void *userdata) {
2170 _cleanup_free_ char *unit = NULL;
2171 UnitFileChange *changes = NULL;
2172 size_t n_changes = 0;
2173 int r;
2174
2175 assert(argc >= 2);
2176 assert(argv);
2177
2178 r = unit_name_mangle_with_suffix(argv[1], "set-default",
2179 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
2180 ".target", &unit);
2181 if (r < 0)
2182 return log_error_errno(r, "Failed to mangle unit name: %m");
2183
2184 if (install_client_side()) {
2185 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2186 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2187
2188 if (r > 0)
2189 r = 0;
2190 } else {
2191 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2192 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2193 sd_bus *bus;
2194
2195 polkit_agent_open_maybe();
2196
2197 r = acquire_bus(BUS_MANAGER, &bus);
2198 if (r < 0)
2199 return r;
2200
2201 r = sd_bus_call_method(
2202 bus,
2203 "org.freedesktop.systemd1",
2204 "/org/freedesktop/systemd1",
2205 "org.freedesktop.systemd1.Manager",
2206 "SetDefaultTarget",
2207 &error,
2208 &reply,
2209 "sb", unit, 1);
2210 if (r < 0)
2211 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2212
2213 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2214 if (r < 0)
2215 goto finish;
2216
2217 /* Try to reload if enabled */
2218 if (!arg_no_reload)
2219 r = daemon_reload(argc, argv, userdata);
2220 else
2221 r = 0;
2222 }
2223
2224 finish:
2225 unit_file_changes_free(changes, n_changes);
2226
2227 return r;
2228 }
2229
2230 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2231 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2232 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2233 const char *name, *type;
2234 uint32_t other_id;
2235 int r;
2236
2237 assert(bus);
2238
2239 r = sd_bus_call_method(
2240 bus,
2241 "org.freedesktop.systemd1",
2242 "/org/freedesktop/systemd1",
2243 "org.freedesktop.systemd1.Manager",
2244 method,
2245 &error,
2246 &reply,
2247 "u", id);
2248 if (r < 0)
2249 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2250
2251 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2252 if (r < 0)
2253 return bus_log_parse_error(r);
2254
2255 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2256 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2257 if (r < 0)
2258 return bus_log_parse_error(r);
2259
2260 r = sd_bus_message_exit_container(reply);
2261 if (r < 0)
2262 return bus_log_parse_error(r);
2263
2264 return 0;
2265 }
2266
2267 struct job_info {
2268 uint32_t id;
2269 const char *name, *type, *state;
2270 };
2271
2272 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2273 unsigned id_len, unit_len, type_len, state_len;
2274 const struct job_info *j;
2275 const char *on, *off;
2276 bool shorten = false;
2277
2278 assert(n == 0 || jobs);
2279
2280 if (n == 0) {
2281 if (!arg_no_legend) {
2282 on = ansi_highlight_green();
2283 off = ansi_normal();
2284
2285 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2286 }
2287 return;
2288 }
2289
2290 (void) pager_open(arg_pager_flags);
2291
2292 id_len = STRLEN("JOB");
2293 unit_len = STRLEN("UNIT");
2294 type_len = STRLEN("TYPE");
2295 state_len = STRLEN("STATE");
2296
2297 for (j = jobs; j < jobs + n; j++) {
2298 uint32_t id = j->id;
2299 assert(j->name && j->type && j->state);
2300
2301 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2302 unit_len = MAX(unit_len, strlen(j->name));
2303 type_len = MAX(type_len, strlen(j->type));
2304 state_len = MAX(state_len, strlen(j->state));
2305 }
2306
2307 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2308 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2309 shorten = true;
2310 }
2311
2312 if (!arg_no_legend)
2313 printf("%*s %-*s %-*s %-*s\n",
2314 id_len, "JOB",
2315 unit_len, "UNIT",
2316 type_len, "TYPE",
2317 state_len, "STATE");
2318
2319 for (j = jobs; j < jobs + n; j++) {
2320 _cleanup_free_ char *e = NULL;
2321
2322 if (streq(j->state, "running")) {
2323 on = ansi_highlight();
2324 off = ansi_normal();
2325 } else
2326 on = off = "";
2327
2328 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2329 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2330 id_len, j->id,
2331 on, unit_len, e ? e : j->name, off,
2332 type_len, j->type,
2333 on, state_len, j->state, off);
2334
2335 if (arg_jobs_after)
2336 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2337 if (arg_jobs_before)
2338 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2339 }
2340
2341 if (!arg_no_legend) {
2342 on = ansi_highlight();
2343 off = ansi_normal();
2344
2345 printf("\n%s%u jobs listed%s.\n", on, n, off);
2346 }
2347 }
2348
2349 static bool output_show_job(struct job_info *job, char **patterns) {
2350 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2351 }
2352
2353 static int list_jobs(int argc, char *argv[], void *userdata) {
2354 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2355 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2356 _cleanup_free_ struct job_info *jobs = NULL;
2357 const char *name, *type, *state;
2358 bool skipped = false;
2359 size_t size = 0;
2360 unsigned c = 0;
2361 sd_bus *bus;
2362 uint32_t id;
2363 int r;
2364
2365 r = acquire_bus(BUS_MANAGER, &bus);
2366 if (r < 0)
2367 return r;
2368
2369 r = sd_bus_call_method(
2370 bus,
2371 "org.freedesktop.systemd1",
2372 "/org/freedesktop/systemd1",
2373 "org.freedesktop.systemd1.Manager",
2374 "ListJobs",
2375 &error,
2376 &reply,
2377 NULL);
2378 if (r < 0)
2379 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2380
2381 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2382 if (r < 0)
2383 return bus_log_parse_error(r);
2384
2385 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2386 struct job_info job = { id, name, type, state };
2387
2388 if (!output_show_job(&job, strv_skip(argv, 1))) {
2389 skipped = true;
2390 continue;
2391 }
2392
2393 if (!GREEDY_REALLOC(jobs, size, c + 1))
2394 return log_oom();
2395
2396 jobs[c++] = job;
2397 }
2398 if (r < 0)
2399 return bus_log_parse_error(r);
2400
2401 r = sd_bus_message_exit_container(reply);
2402 if (r < 0)
2403 return bus_log_parse_error(r);
2404
2405 (void) pager_open(arg_pager_flags);
2406
2407 output_jobs_list(bus, jobs, c, skipped);
2408 return 0;
2409 }
2410
2411 static int cancel_job(int argc, char *argv[], void *userdata) {
2412 sd_bus *bus;
2413 char **name;
2414 int r = 0;
2415
2416 if (argc <= 1)
2417 return trivial_method(argc, argv, userdata);
2418
2419 r = acquire_bus(BUS_MANAGER, &bus);
2420 if (r < 0)
2421 return r;
2422
2423 polkit_agent_open_maybe();
2424
2425 STRV_FOREACH(name, strv_skip(argv, 1)) {
2426 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2427 uint32_t id;
2428 int q;
2429
2430 q = safe_atou32(*name, &id);
2431 if (q < 0)
2432 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2433
2434 q = sd_bus_call_method(
2435 bus,
2436 "org.freedesktop.systemd1",
2437 "/org/freedesktop/systemd1",
2438 "org.freedesktop.systemd1.Manager",
2439 "CancelJob",
2440 &error,
2441 NULL,
2442 "u", id);
2443 if (q < 0) {
2444 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2445 if (r == 0)
2446 r = q;
2447 }
2448 }
2449
2450 return r;
2451 }
2452
2453 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2454 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2455 const char *path;
2456 int b, r;
2457
2458 /* We ignore all errors here, since this is used to show a
2459 * warning only */
2460
2461 /* We don't use unit_dbus_path_from_name() directly since we
2462 * don't want to load the unit if it isn't loaded. */
2463
2464 r = sd_bus_call_method(
2465 bus,
2466 "org.freedesktop.systemd1",
2467 "/org/freedesktop/systemd1",
2468 "org.freedesktop.systemd1.Manager",
2469 "GetUnit",
2470 NULL,
2471 &reply,
2472 "s", unit);
2473 if (r < 0)
2474 return r;
2475
2476 r = sd_bus_message_read(reply, "o", &path);
2477 if (r < 0)
2478 return r;
2479
2480 r = sd_bus_get_property_trivial(
2481 bus,
2482 "org.freedesktop.systemd1",
2483 path,
2484 "org.freedesktop.systemd1.Unit",
2485 "NeedDaemonReload",
2486 NULL,
2487 'b', &b);
2488 if (r < 0)
2489 return r;
2490
2491 return b;
2492 }
2493
2494 static void warn_unit_file_changed(const char *name) {
2495 assert(name);
2496
2497 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.",
2498 ansi_highlight_red(),
2499 ansi_normal(),
2500 name,
2501 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2502 }
2503
2504 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2505 char **p;
2506
2507 assert(lp);
2508 assert(unit_name);
2509
2510 STRV_FOREACH(p, lp->search_path) {
2511 _cleanup_free_ char *path = NULL, *lpath = NULL;
2512 int r;
2513
2514 path = path_join(*p, unit_name);
2515 if (!path)
2516 return log_oom();
2517
2518 r = chase_symlinks(path, arg_root, 0, &lpath, NULL);
2519 if (r == -ENOENT)
2520 continue;
2521 if (r == -ENOMEM)
2522 return log_oom();
2523 if (r < 0)
2524 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2525
2526 if (ret_unit_path)
2527 *ret_unit_path = TAKE_PTR(lpath);
2528
2529 return 1;
2530 }
2531
2532 if (ret_unit_path)
2533 *ret_unit_path = NULL;
2534
2535 return 0;
2536 }
2537
2538 static int unit_find_template_path(
2539 const char *unit_name,
2540 LookupPaths *lp,
2541 char **ret_fragment_path,
2542 char **ret_template) {
2543
2544 _cleanup_free_ char *t = NULL, *f = NULL;
2545 int r;
2546
2547 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2548
2549 r = unit_file_find_path(lp, unit_name, &f);
2550 if (r < 0)
2551 return r;
2552 if (r > 0) {
2553 if (ret_fragment_path)
2554 *ret_fragment_path = TAKE_PTR(f);
2555 if (ret_template)
2556 *ret_template = NULL;
2557 return r; /* found a real unit */
2558 }
2559
2560 r = unit_name_template(unit_name, &t);
2561 if (r == -EINVAL) {
2562 if (ret_fragment_path)
2563 *ret_fragment_path = NULL;
2564 if (ret_template)
2565 *ret_template = NULL;
2566
2567 return 0; /* not a template, does not exist */
2568 }
2569 if (r < 0)
2570 return log_error_errno(r, "Failed to determine template name: %m");
2571
2572 r = unit_file_find_path(lp, t, ret_fragment_path);
2573 if (r < 0)
2574 return r;
2575
2576 if (ret_template)
2577 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2578
2579 return r;
2580 }
2581
2582 static int unit_find_paths(
2583 sd_bus *bus,
2584 const char *unit_name,
2585 LookupPaths *lp,
2586 bool force_client_side,
2587 char **ret_fragment_path,
2588 char ***ret_dropin_paths) {
2589
2590 _cleanup_strv_free_ char **dropins = NULL;
2591 _cleanup_free_ char *path = NULL;
2592 int r;
2593
2594 /**
2595 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2596 * found, and sets:
2597 * - the path to the unit in *ret_frament_path, if it exists on disk,
2598 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2599 * were found.
2600 *
2601 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2602 * some reason (the latter only applies if we are going through the service manager).
2603 */
2604
2605 assert(unit_name);
2606 assert(ret_fragment_path);
2607 assert(lp);
2608
2609 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2610 if (!force_client_side &&
2611 !install_client_side() &&
2612 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2613 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2614 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2615
2616 dbus_path = unit_dbus_path_from_name(unit_name);
2617 if (!dbus_path)
2618 return log_oom();
2619
2620 r = sd_bus_get_property_string(
2621 bus,
2622 "org.freedesktop.systemd1",
2623 dbus_path,
2624 "org.freedesktop.systemd1.Unit",
2625 "LoadState",
2626 &error,
2627 &load_state);
2628 if (r < 0)
2629 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2630
2631 if (streq(load_state, "masked"))
2632 return -ERFKILL;
2633 if (streq(load_state, "not-found")) {
2634 r = 0;
2635 goto not_found;
2636 }
2637 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2638 return -EKEYREJECTED;
2639
2640 r = sd_bus_get_property_string(
2641 bus,
2642 "org.freedesktop.systemd1",
2643 dbus_path,
2644 "org.freedesktop.systemd1.Unit",
2645 "FragmentPath",
2646 &error,
2647 &path);
2648 if (r < 0)
2649 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2650
2651 if (ret_dropin_paths) {
2652 r = sd_bus_get_property_strv(
2653 bus,
2654 "org.freedesktop.systemd1",
2655 dbus_path,
2656 "org.freedesktop.systemd1.Unit",
2657 "DropInPaths",
2658 &error,
2659 &dropins);
2660 if (r < 0)
2661 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2662 }
2663 } else {
2664 const char *_path;
2665 _cleanup_set_free_free_ Set *names = NULL;
2666
2667 if (!cached_name_map) {
2668 r = unit_file_build_name_map(lp, NULL, &cached_id_map, &cached_name_map, NULL);
2669 if (r < 0)
2670 return r;
2671 }
2672
2673 r = unit_file_find_fragment(cached_id_map, cached_name_map, unit_name, &_path, &names);
2674 if (r < 0)
2675 return r;
2676
2677 if (_path) {
2678 path = strdup(_path);
2679 if (!path)
2680 return log_oom();
2681 }
2682
2683 if (ret_dropin_paths) {
2684 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2685 ".d", ".conf",
2686 names, &dropins);
2687 if (r < 0)
2688 return r;
2689 }
2690 }
2691
2692 if (isempty(path)) {
2693 *ret_fragment_path = NULL;
2694 r = 0;
2695 } else {
2696 *ret_fragment_path = TAKE_PTR(path);
2697 r = 1;
2698 }
2699
2700 if (ret_dropin_paths) {
2701 if (!strv_isempty(dropins)) {
2702 *ret_dropin_paths = TAKE_PTR(dropins);
2703 r = 1;
2704 } else
2705 *ret_dropin_paths = NULL;
2706 }
2707
2708 not_found:
2709 if (r == 0 && !arg_force)
2710 log_error("No files found for %s.", unit_name);
2711
2712 return r;
2713 }
2714
2715 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2716 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2717 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2718 UnitActiveState state;
2719 int r;
2720
2721 assert(name);
2722 assert(active_state);
2723
2724 dbus_path = unit_dbus_path_from_name(name);
2725 if (!dbus_path)
2726 return log_oom();
2727
2728 r = sd_bus_get_property_string(
2729 bus,
2730 "org.freedesktop.systemd1",
2731 dbus_path,
2732 "org.freedesktop.systemd1.Unit",
2733 "ActiveState",
2734 &error,
2735 &buf);
2736 if (r < 0)
2737 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2738
2739 state = unit_active_state_from_string(buf);
2740 if (state < 0)
2741 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2742
2743 *active_state = state;
2744 return 0;
2745 }
2746
2747 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2748 _cleanup_free_ char *load_state = NULL;
2749 int r;
2750
2751 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2752 _cleanup_free_ char *path = NULL;
2753
2754 /* A template cannot be loaded, but it can be still masked, so
2755 * we need to use a different method. */
2756
2757 r = unit_file_find_path(lp, name, &path);
2758 if (r < 0)
2759 return r;
2760 if (r == 0)
2761 return false;
2762 return null_or_empty_path(path);
2763 }
2764
2765 r = unit_load_state(bus, name, &load_state);
2766 if (r < 0)
2767 return r;
2768
2769 return streq(load_state, "masked");
2770 }
2771
2772 static int check_triggering_units(sd_bus *bus, const char *name) {
2773 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2774 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2775 _cleanup_strv_free_ char **triggered_by = NULL;
2776 bool print_warning_label = true;
2777 UnitActiveState active_state;
2778 char **i;
2779 int r;
2780
2781 r = unit_name_mangle(name, 0, &n);
2782 if (r < 0)
2783 return log_error_errno(r, "Failed to mangle unit name: %m");
2784
2785 r = unit_load_state(bus, name, &load_state);
2786 if (r < 0)
2787 return r;
2788
2789 if (streq(load_state, "masked"))
2790 return 0;
2791
2792 dbus_path = unit_dbus_path_from_name(n);
2793 if (!dbus_path)
2794 return log_oom();
2795
2796 r = sd_bus_get_property_strv(
2797 bus,
2798 "org.freedesktop.systemd1",
2799 dbus_path,
2800 "org.freedesktop.systemd1.Unit",
2801 "TriggeredBy",
2802 &error,
2803 &triggered_by);
2804 if (r < 0)
2805 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2806
2807 STRV_FOREACH(i, triggered_by) {
2808 r = get_state_one_unit(bus, *i, &active_state);
2809 if (r < 0)
2810 return r;
2811
2812 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2813 continue;
2814
2815 if (print_warning_label) {
2816 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2817 print_warning_label = false;
2818 }
2819
2820 log_warning(" %s", *i);
2821 }
2822
2823 return 0;
2824 }
2825
2826 static const struct {
2827 const char *verb; /* systemctl verb */
2828 const char *method; /* Name of the specific D-Bus method */
2829 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2830 } unit_actions[] = {
2831 { "start", "StartUnit", "start" },
2832 { "stop", "StopUnit", "stop" },
2833 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2834 { "reload", "ReloadUnit", "reload" },
2835 { "restart", "RestartUnit", "restart" },
2836 { "try-restart", "TryRestartUnit", "try-restart" },
2837 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2838 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2839 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2840 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2841 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2842 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2843 };
2844
2845 static const char *verb_to_method(const char *verb) {
2846 size_t i;
2847
2848 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2849 if (streq_ptr(unit_actions[i].verb, verb))
2850 return unit_actions[i].method;
2851
2852 return "StartUnit";
2853 }
2854
2855 static const char *verb_to_job_type(const char *verb) {
2856 size_t i;
2857
2858 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2859 if (streq_ptr(unit_actions[i].verb, verb))
2860 return unit_actions[i].job_type;
2861
2862 return "start";
2863 }
2864
2865 static int start_unit_one(
2866 sd_bus *bus,
2867 const char *method, /* When using classic per-job bus methods */
2868 const char *job_type, /* When using new-style EnqueueUnitJob() */
2869 const char *name,
2870 const char *mode,
2871 sd_bus_error *error,
2872 BusWaitForJobs *w,
2873 BusWaitForUnits *wu) {
2874
2875 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2876 const char *path;
2877 bool done = false;
2878 int r;
2879
2880 assert(method);
2881 assert(name);
2882 assert(mode);
2883 assert(error);
2884
2885 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2886 arg_dry_run ? "Would execute" : "Executing",
2887 method, name, mode);
2888
2889 if (arg_dry_run)
2890 return 0;
2891
2892 if (arg_show_transaction) {
2893 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2894
2895 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2896 r = sd_bus_call_method(
2897 bus,
2898 "org.freedesktop.systemd1",
2899 "/org/freedesktop/systemd1",
2900 "org.freedesktop.systemd1.Manager",
2901 "EnqueueUnitJob",
2902 &enqueue_error,
2903 &reply,
2904 "sss",
2905 name, job_type, mode);
2906 if (r < 0) {
2907 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2908 (void) sd_bus_error_move(error, &enqueue_error);
2909 goto fail;
2910 }
2911
2912 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2913 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2914 } else {
2915 const char *u, *jt;
2916 uint32_t id;
2917
2918 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2919 if (r < 0)
2920 return bus_log_parse_error(r);
2921
2922 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2923
2924 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2925 if (r < 0)
2926 return bus_log_parse_error(r);
2927 for (;;) {
2928 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2929 if (r < 0)
2930 return bus_log_parse_error(r);
2931 if (r == 0)
2932 break;
2933
2934 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2935 }
2936
2937 r = sd_bus_message_exit_container(reply);
2938 if (r < 0)
2939 return bus_log_parse_error(r);
2940
2941 done = true;
2942 }
2943 }
2944
2945 if (!done) {
2946 r = sd_bus_call_method(
2947 bus,
2948 "org.freedesktop.systemd1",
2949 "/org/freedesktop/systemd1",
2950 "org.freedesktop.systemd1.Manager",
2951 method,
2952 error,
2953 &reply,
2954 "ss", name, mode);
2955 if (r < 0)
2956 goto fail;
2957
2958 r = sd_bus_message_read(reply, "o", &path);
2959 if (r < 0)
2960 return bus_log_parse_error(r);
2961 }
2962
2963 if (need_daemon_reload(bus, name) > 0)
2964 warn_unit_file_changed(name);
2965
2966 if (w) {
2967 log_debug("Adding %s to the set", path);
2968 r = bus_wait_for_jobs_add(w, path);
2969 if (r < 0)
2970 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2971 }
2972
2973 if (wu) {
2974 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2975 if (r < 0)
2976 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2977 }
2978
2979 return 0;
2980
2981 fail:
2982 /* There's always a fallback possible for legacy actions. */
2983 if (arg_action != ACTION_SYSTEMCTL)
2984 return r;
2985
2986 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2987
2988 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2989 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2990 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2991 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2992 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2993 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2994 name[0] == '-' ? " --" : "",
2995 name);
2996
2997 return r;
2998 }
2999
3000 static const struct {
3001 const char *target;
3002 const char *verb;
3003 const char *mode;
3004 } action_table[_ACTION_MAX] = {
3005 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3006 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3007 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3008 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3009 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3010 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3011 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3012 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3013 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3014 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3015 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3016 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3017 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3018 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3019 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3020 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3021 };
3022
3023 static enum action verb_to_action(const char *verb) {
3024 enum action i;
3025
3026 for (i = 0; i < _ACTION_MAX; i++)
3027 if (streq_ptr(action_table[i].verb, verb))
3028 return i;
3029
3030 return _ACTION_INVALID;
3031 }
3032
3033 static const char** make_extra_args(const char *extra_args[static 4]) {
3034 size_t n = 0;
3035
3036 assert(extra_args);
3037
3038 if (arg_scope != UNIT_FILE_SYSTEM)
3039 extra_args[n++] = "--user";
3040
3041 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3042 extra_args[n++] = "-H";
3043 extra_args[n++] = arg_host;
3044 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3045 extra_args[n++] = "-M";
3046 extra_args[n++] = arg_host;
3047 } else
3048 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3049
3050 extra_args[n] = NULL;
3051 return extra_args;
3052 }
3053
3054 static int start_unit(int argc, char *argv[], void *userdata) {
3055 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3056 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3057 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3058 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3059 _cleanup_strv_free_ char **names = NULL;
3060 int r, ret = EXIT_SUCCESS;
3061 sd_bus *bus;
3062 char **name;
3063
3064 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3065 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3066 "--wait may only be used with the 'start' or 'restart' commands.");
3067
3068 /* we cannot do sender tracking on the private bus, so we need the full
3069 * one for RefUnit to implement --wait */
3070 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3071 if (r < 0)
3072 return r;
3073
3074 ask_password_agent_open_if_enabled();
3075 polkit_agent_open_maybe();
3076
3077 if (arg_action == ACTION_SYSTEMCTL) {
3078 enum action action;
3079
3080 action = verb_to_action(argv[0]);
3081
3082 if (action != _ACTION_INVALID) {
3083 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3084 method = "StartUnit";
3085 job_type = "start";
3086 mode = action_table[action].mode;
3087 one_name = action_table[action].target;
3088 } else {
3089 if (streq(argv[0], "isolate")) {
3090 /* A "systemctl isolate <unit1> <unit2> …" command */
3091 method = "StartUnit";
3092 job_type = "start";
3093 mode = "isolate";
3094 suffix = ".target";
3095 } else {
3096 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3097 method = verb_to_method(argv[0]);
3098 job_type = verb_to_job_type(argv[0]);
3099 mode = arg_job_mode;
3100 }
3101 one_name = NULL;
3102 }
3103 } else {
3104 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3105 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3106 assert(action_table[arg_action].target);
3107 assert(action_table[arg_action].mode);
3108
3109 method = "StartUnit";
3110 job_type = "start";
3111 mode = action_table[arg_action].mode;
3112 one_name = action_table[arg_action].target;
3113 }
3114
3115 if (one_name) {
3116 names = strv_new(one_name);
3117 if (!names)
3118 return log_oom();
3119 } else {
3120 bool expanded;
3121
3122 r = expand_names(bus, strv_skip(argv, 1), suffix, &names, &expanded);
3123 if (r < 0)
3124 return log_error_errno(r, "Failed to expand names: %m");
3125
3126 if (!arg_all && expanded && streq(job_type, "start") && !arg_quiet) {
3127 log_warning("Warning: %ssystemctl start called with a glob pattern.%s",
3128 ansi_highlight_red(),
3129 ansi_normal());
3130 log_notice("Hint: unit globs expand to loaded units, so start will usually have no effect.\n"
3131 " Passing --all will also load units which are pulled in by other units.\n"
3132 " See systemctl(1) for more details.");
3133 }
3134 }
3135
3136 if (!arg_no_block) {
3137 r = bus_wait_for_jobs_new(bus, &w);
3138 if (r < 0)
3139 return log_error_errno(r, "Could not watch jobs: %m");
3140 }
3141
3142 if (arg_wait) {
3143 r = sd_bus_call_method_async(
3144 bus,
3145 NULL,
3146 "org.freedesktop.systemd1",
3147 "/org/freedesktop/systemd1",
3148 "org.freedesktop.systemd1.Manager",
3149 "Subscribe",
3150 NULL, NULL,
3151 NULL);
3152 if (r < 0)
3153 return log_error_errno(r, "Failed to enable subscription: %m");
3154
3155 r = bus_wait_for_units_new(bus, &wu);
3156 if (r < 0)
3157 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3158 }
3159
3160 STRV_FOREACH(name, names) {
3161 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3162
3163 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3164 if (ret == EXIT_SUCCESS && r < 0)
3165 ret = translate_bus_error_to_exit_status(r, &error);
3166
3167 if (r >= 0 && streq(method, "StopUnit")) {
3168 r = strv_push(&stopped_units, *name);
3169 if (r < 0)
3170 return log_oom();
3171 }
3172 }
3173
3174 if (!arg_no_block) {
3175 const char* extra_args[4];
3176
3177 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3178 if (r < 0)
3179 return r;
3180
3181 /* When stopping units, warn if they can still be triggered by
3182 * another active unit (socket, path, timer) */
3183 if (!arg_quiet)
3184 STRV_FOREACH(name, stopped_units)
3185 (void) check_triggering_units(bus, *name);
3186 }
3187
3188 if (arg_wait) {
3189 r = bus_wait_for_units_run(wu);
3190 if (r < 0)
3191 return log_error_errno(r, "Failed to wait for units: %m");
3192 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3193 ret = EXIT_FAILURE;
3194 }
3195
3196 return ret;
3197 }
3198
3199 #if ENABLE_LOGIND
3200 static int logind_set_wall_message(void) {
3201 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3202 sd_bus *bus;
3203 _cleanup_free_ char *m = NULL;
3204 int r;
3205
3206 r = acquire_bus(BUS_FULL, &bus);
3207 if (r < 0)
3208 return r;
3209
3210 m = strv_join(arg_wall, " ");
3211 if (!m)
3212 return log_oom();
3213
3214 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3215 if (arg_dry_run)
3216 return 0;
3217
3218 r = sd_bus_call_method(
3219 bus,
3220 "org.freedesktop.login1",
3221 "/org/freedesktop/login1",
3222 "org.freedesktop.login1.Manager",
3223 "SetWallMessage",
3224 &error,
3225 NULL,
3226 "sb",
3227 m,
3228 !arg_no_wall);
3229
3230 if (r < 0)
3231 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3232 return 0;
3233 }
3234 #endif
3235
3236 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3237 static int logind_reboot(enum action a) {
3238 #if ENABLE_LOGIND
3239 static const struct {
3240 const char *method;
3241 const char *description;
3242 } actions[_ACTION_MAX] = {
3243 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3244 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3245 [ACTION_HALT] = { "Halt", "halt system" },
3246 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3247 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3248 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3249 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3250 };
3251
3252 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3253 sd_bus *bus;
3254 int r;
3255
3256 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3257 return -EINVAL;
3258
3259 r = acquire_bus(BUS_FULL, &bus);
3260 if (r < 0)
3261 return r;
3262
3263 polkit_agent_open_maybe();
3264 (void) logind_set_wall_message();
3265
3266 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3267
3268 if (arg_dry_run)
3269 return 0;
3270
3271 r = sd_bus_call_method(
3272 bus,
3273 "org.freedesktop.login1",
3274 "/org/freedesktop/login1",
3275 "org.freedesktop.login1.Manager",
3276 actions[a].method,
3277 &error,
3278 NULL,
3279 "b", arg_ask_password);
3280 if (r < 0)
3281 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3282
3283 return 0;
3284 #else
3285 return -ENOSYS;
3286 #endif
3287 }
3288
3289 static int logind_check_inhibitors(enum action a) {
3290 #if ENABLE_LOGIND
3291 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3292 _cleanup_strv_free_ char **sessions = NULL;
3293 const char *what, *who, *why, *mode;
3294 uint32_t uid, pid;
3295 sd_bus *bus;
3296 unsigned c = 0;
3297 char **s;
3298 int r;
3299
3300 if (arg_ignore_inhibitors || arg_force > 0)
3301 return 0;
3302
3303 if (arg_when > 0)
3304 return 0;
3305
3306 if (geteuid() == 0)
3307 return 0;
3308
3309 if (!on_tty())
3310 return 0;
3311
3312 if (arg_transport != BUS_TRANSPORT_LOCAL)
3313 return 0;
3314
3315 r = acquire_bus(BUS_FULL, &bus);
3316 if (r < 0)
3317 return r;
3318
3319 r = sd_bus_call_method(
3320 bus,
3321 "org.freedesktop.login1",
3322 "/org/freedesktop/login1",
3323 "org.freedesktop.login1.Manager",
3324 "ListInhibitors",
3325 NULL,
3326 &reply,
3327 NULL);
3328 if (r < 0)
3329 /* If logind is not around, then there are no inhibitors... */
3330 return 0;
3331
3332 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3333 if (r < 0)
3334 return bus_log_parse_error(r);
3335
3336 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3337 _cleanup_free_ char *comm = NULL, *user = NULL;
3338 _cleanup_strv_free_ char **sv = NULL;
3339
3340 if (!streq(mode, "block"))
3341 continue;
3342
3343 sv = strv_split(what, ":");
3344 if (!sv)
3345 return log_oom();
3346
3347 if (!pid_is_valid((pid_t) pid))
3348 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3349
3350 if (!strv_contains(sv,
3351 IN_SET(a,
3352 ACTION_HALT,
3353 ACTION_POWEROFF,
3354 ACTION_REBOOT,
3355 ACTION_KEXEC) ? "shutdown" : "sleep"))
3356 continue;
3357
3358 get_process_comm(pid, &comm);
3359 user = uid_to_name(uid);
3360
3361 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3362 who, (pid_t) pid, strna(comm), strna(user), why);
3363
3364 c++;
3365 }
3366 if (r < 0)
3367 return bus_log_parse_error(r);
3368
3369 r = sd_bus_message_exit_container(reply);
3370 if (r < 0)
3371 return bus_log_parse_error(r);
3372
3373 /* Check for current sessions */
3374 sd_get_sessions(&sessions);
3375 STRV_FOREACH(s, sessions) {
3376 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3377
3378 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3379 continue;
3380
3381 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3382 continue;
3383
3384 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3385 continue;
3386
3387 sd_session_get_tty(*s, &tty);
3388 sd_session_get_seat(*s, &seat);
3389 sd_session_get_service(*s, &service);
3390 user = uid_to_name(uid);
3391
3392 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3393 c++;
3394 }
3395
3396 if (c <= 0)
3397 return 0;
3398
3399 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3400 action_table[a].verb);
3401
3402 return -EPERM;
3403 #else
3404 return 0;
3405 #endif
3406 }
3407
3408 static int prepare_firmware_setup(void) {
3409
3410 if (!arg_firmware_setup)
3411 return 0;
3412
3413 #if ENABLE_LOGIND
3414 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3415 sd_bus *bus;
3416 int r;
3417
3418 r = acquire_bus(BUS_FULL, &bus);
3419 if (r < 0)
3420 return r;
3421
3422 r = sd_bus_call_method(
3423 bus,
3424 "org.freedesktop.login1",
3425 "/org/freedesktop/login1",
3426 "org.freedesktop.login1.Manager",
3427 "SetRebootToFirmwareSetup",
3428 &error,
3429 NULL,
3430 "b", true);
3431 if (r < 0)
3432 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3433
3434 return 0;
3435 #else
3436 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3437 "Booting into firmware setup not supported.");
3438 #endif
3439 }
3440
3441 static int prepare_boot_loader_menu(void) {
3442
3443 if (arg_boot_loader_menu == USEC_INFINITY)
3444 return 0;
3445
3446 #if ENABLE_LOGIND
3447 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3448 sd_bus *bus;
3449 int r;
3450
3451 r = acquire_bus(BUS_FULL, &bus);
3452 if (r < 0)
3453 return r;
3454
3455 r = sd_bus_call_method(
3456 bus,
3457 "org.freedesktop.login1",
3458 "/org/freedesktop/login1",
3459 "org.freedesktop.login1.Manager",
3460 "SetRebootToBootLoaderMenu",
3461 &error,
3462 NULL,
3463 "t", arg_boot_loader_menu);
3464 if (r < 0)
3465 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3466
3467 return 0;
3468 #else
3469 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3470 "Booting into boot loader menu not supported.");
3471 #endif
3472 }
3473
3474 static int prepare_boot_loader_entry(void) {
3475
3476 if (!arg_boot_loader_entry)
3477 return 0;
3478
3479 #if ENABLE_LOGIND
3480 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3481 sd_bus *bus;
3482 int r;
3483
3484 r = acquire_bus(BUS_FULL, &bus);
3485 if (r < 0)
3486 return r;
3487
3488 r = sd_bus_call_method(
3489 bus,
3490 "org.freedesktop.login1",
3491 "/org/freedesktop/login1",
3492 "org.freedesktop.login1.Manager",
3493 "SetRebootToBootLoaderEntry",
3494 &error,
3495 NULL,
3496 "s", arg_boot_loader_entry);
3497 if (r < 0)
3498 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3499
3500 return 0;
3501 #else
3502 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3503 "Booting into boot loader entry not supported.");
3504 #endif
3505 }
3506
3507 static int load_kexec_kernel(void) {
3508 _cleanup_(boot_config_free) BootConfig config = {};
3509 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3510 const BootEntry *e;
3511 pid_t pid;
3512 int r;
3513
3514 if (kexec_loaded()) {
3515 log_debug("Kexec kernel already loaded.");
3516 return 0;
3517 }
3518
3519 if (access(KEXEC, X_OK) < 0)
3520 return log_error_errno(errno, KEXEC" is not available: %m");
3521
3522 r = boot_entries_load_config_auto(NULL, NULL, &config);
3523 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3524 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3525 if (r < 0)
3526 return r;
3527
3528 e = boot_config_default_entry(&config);
3529 if (!e)
3530 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3531 "No boot loader entry suitable as default, refusing to guess.");
3532
3533 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3534
3535 if (!e->kernel)
3536 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3537 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3538 if (strv_length(e->initrd) > 1)
3539 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3540 "Boot entry specifies multiple initrds, which is not supported currently.");
3541
3542 kernel = path_join(e->root, e->kernel);
3543 if (!kernel)
3544 return log_oom();
3545
3546 if (!strv_isempty(e->initrd)) {
3547 initrd = path_join(e->root, e->initrd[0]);
3548 if (!initrd)
3549 return log_oom();
3550 }
3551
3552 options = strv_join(e->options, " ");
3553 if (!options)
3554 return log_oom();
3555
3556 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3557 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3558 arg_dry_run ? "Would run" : "Running",
3559 kernel,
3560 options,
3561 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3562 if (arg_dry_run)
3563 return 0;
3564
3565 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3566 if (r < 0)
3567 return r;
3568 if (r == 0) {
3569 const char* const args[] = {
3570 KEXEC,
3571 "--load", kernel,
3572 "--append", options,
3573 initrd ? "--initrd" : NULL, initrd,
3574 NULL
3575 };
3576
3577 /* Child */
3578 execv(args[0], (char * const *) args);
3579 _exit(EXIT_FAILURE);
3580 }
3581
3582 return 0;
3583 }
3584
3585 static int set_exit_code(uint8_t code) {
3586 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3587 sd_bus *bus;
3588 int r;
3589
3590 r = acquire_bus(BUS_MANAGER, &bus);
3591 if (r < 0)
3592 return r;
3593
3594 r = sd_bus_call_method(
3595 bus,
3596 "org.freedesktop.systemd1",
3597 "/org/freedesktop/systemd1",
3598 "org.freedesktop.systemd1.Manager",
3599 "SetExitCode",
3600 &error,
3601 NULL,
3602 "y", code);
3603 if (r < 0)
3604 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3605
3606 return 0;
3607 }
3608
3609 static int start_special(int argc, char *argv[], void *userdata) {
3610 enum action a;
3611 int r;
3612 bool termination_action; /* an action that terminates the manager,
3613 * can be performed also by signal. */
3614
3615 assert(argv);
3616
3617 a = verb_to_action(argv[0]);
3618
3619 r = logind_check_inhibitors(a);
3620 if (r < 0)
3621 return r;
3622
3623 if (arg_force >= 2) {
3624 r = must_be_root();
3625 if (r < 0)
3626 return r;
3627 }
3628
3629 r = prepare_firmware_setup();
3630 if (r < 0)
3631 return r;
3632
3633 r = prepare_boot_loader_menu();
3634 if (r < 0)
3635 return r;
3636
3637 r = prepare_boot_loader_entry();
3638 if (r < 0)
3639 return r;
3640
3641 if (a == ACTION_REBOOT && argc > 1) {
3642 r = update_reboot_parameter_and_warn(argv[1], false);
3643 if (r < 0)
3644 return r;
3645
3646 } else if (a == ACTION_KEXEC) {
3647 r = load_kexec_kernel();
3648 if (r < 0 && arg_force >= 1)
3649 log_notice("Failed to load kexec kernel, continuing without.");
3650 else if (r < 0)
3651 return r;
3652
3653 } else if (a == ACTION_EXIT && argc > 1) {
3654 uint8_t code;
3655
3656 /* If the exit code is not given on the command line,
3657 * don't reset it to zero: just keep it as it might
3658 * have been set previously. */
3659
3660 r = safe_atou8(argv[1], &code);
3661 if (r < 0)
3662 return log_error_errno(r, "Invalid exit code.");
3663
3664 r = set_exit_code(code);
3665 if (r < 0)
3666 return r;
3667 }
3668
3669 termination_action = IN_SET(a,
3670 ACTION_HALT,
3671 ACTION_POWEROFF,
3672 ACTION_REBOOT);
3673 if (termination_action && arg_force >= 2)
3674 return halt_now(a);
3675
3676 if (arg_force >= 1 &&
3677 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3678 r = trivial_method(argc, argv, userdata);
3679 else {
3680 /* First try logind, to allow authentication with polkit */
3681 if (IN_SET(a,
3682 ACTION_POWEROFF,
3683 ACTION_REBOOT,
3684 ACTION_HALT,
3685 ACTION_SUSPEND,
3686 ACTION_HIBERNATE,
3687 ACTION_HYBRID_SLEEP,
3688 ACTION_SUSPEND_THEN_HIBERNATE)) {
3689
3690 r = logind_reboot(a);
3691 if (r >= 0)
3692 return r;
3693 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3694 /* requested operation is not supported or already in progress */
3695 return r;
3696
3697 /* On all other errors, try low-level operation. In order to minimize the difference between
3698 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3699 * logind's shutdown operations are always non-blocking. */
3700
3701 arg_no_block = true;
3702
3703 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3704 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3705 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3706 arg_no_block = true;
3707
3708 r = start_unit(argc, argv, userdata);
3709 }
3710
3711 if (termination_action && arg_force < 2 &&
3712 IN_SET(r, -ENOENT, -ETIMEDOUT))
3713 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3714
3715 return r;
3716 }
3717
3718 static int start_system_special(int argc, char *argv[], void *userdata) {
3719 /* Like start_special above, but raises an error when running in user mode */
3720
3721 if (arg_scope != UNIT_FILE_SYSTEM)
3722 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3723 "Bad action for %s mode.",
3724 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3725
3726 return start_special(argc, argv, userdata);
3727 }
3728
3729 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3730 _cleanup_strv_free_ char **names = NULL;
3731 UnitActiveState active_state;
3732 sd_bus *bus;
3733 char **name;
3734 int r, i;
3735 bool found = false;
3736
3737 r = acquire_bus(BUS_MANAGER, &bus);
3738 if (r < 0)
3739 return r;
3740
3741 r = expand_names(bus, args, NULL, &names, NULL);
3742 if (r < 0)
3743 return log_error_errno(r, "Failed to expand names: %m");
3744
3745 STRV_FOREACH(name, names) {
3746 r = get_state_one_unit(bus, *name, &active_state);
3747 if (r < 0)
3748 return r;
3749
3750 if (!arg_quiet)
3751 puts(unit_active_state_to_string(active_state));
3752
3753 for (i = 0; i < nb_states; ++i)
3754 if (good_states[i] == active_state)
3755 found = true;
3756 }
3757
3758 /* use the given return code for the case that we won't find
3759 * any unit which matches the list */
3760 return found ? 0 : code;
3761 }
3762
3763 static int check_unit_active(int argc, char *argv[], void *userdata) {
3764 static const UnitActiveState states[] = {
3765 UNIT_ACTIVE,
3766 UNIT_RELOADING,
3767 };
3768
3769 /* According to LSB: 3, "program is not running" */
3770 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3771 }
3772
3773 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3774 static const UnitActiveState states[] = {
3775 UNIT_FAILED,
3776 };
3777
3778 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3779 }
3780
3781 static int kill_unit(int argc, char *argv[], void *userdata) {
3782 _cleanup_strv_free_ char **names = NULL;
3783 char *kill_who = NULL, **name;
3784 sd_bus *bus;
3785 int r, q;
3786
3787 r = acquire_bus(BUS_MANAGER, &bus);
3788 if (r < 0)
3789 return r;
3790
3791 polkit_agent_open_maybe();
3792
3793 if (!arg_kill_who)
3794 arg_kill_who = "all";
3795
3796 /* --fail was specified */
3797 if (streq(arg_job_mode, "fail"))
3798 kill_who = strjoina(arg_kill_who, "-fail");
3799
3800 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3801 if (r < 0)
3802 return log_error_errno(r, "Failed to expand names: %m");
3803
3804 STRV_FOREACH(name, names) {
3805 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3806
3807 q = sd_bus_call_method(
3808 bus,
3809 "org.freedesktop.systemd1",
3810 "/org/freedesktop/systemd1",
3811 "org.freedesktop.systemd1.Manager",
3812 "KillUnit",
3813 &error,
3814 NULL,
3815 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3816 if (q < 0) {
3817 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3818 if (r == 0)
3819 r = q;
3820 }
3821 }
3822
3823 return r;
3824 }
3825
3826 static int clean_unit(int argc, char *argv[], void *userdata) {
3827 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3828 _cleanup_strv_free_ char **names = NULL;
3829 int r, ret = EXIT_SUCCESS;
3830 char **name;
3831 sd_bus *bus;
3832
3833 r = acquire_bus(BUS_FULL, &bus);
3834 if (r < 0)
3835 return r;
3836
3837 polkit_agent_open_maybe();
3838
3839 if (!arg_clean_what) {
3840 arg_clean_what = strv_new("cache", "runtime");
3841 if (!arg_clean_what)
3842 return log_oom();
3843 }
3844
3845 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3846 if (r < 0)
3847 return log_error_errno(r, "Failed to expand names: %m");
3848
3849 if (!arg_no_block) {
3850 r = bus_wait_for_units_new(bus, &w);
3851 if (r < 0)
3852 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3853 }
3854
3855 STRV_FOREACH(name, names) {
3856 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3857 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3858
3859 if (w) {
3860 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3861 r = sd_bus_call_method(
3862 bus,
3863 "org.freedesktop.systemd1",
3864 "/org/freedesktop/systemd1",
3865 "org.freedesktop.systemd1.Manager",
3866 "RefUnit",
3867 &error,
3868 NULL,
3869 "s", *name);
3870 if (r < 0) {
3871 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3872 if (ret == EXIT_SUCCESS)
3873 ret = r;
3874 continue;
3875 }
3876 }
3877
3878 r = sd_bus_message_new_method_call(
3879 bus,
3880 &m,
3881 "org.freedesktop.systemd1",
3882 "/org/freedesktop/systemd1",
3883 "org.freedesktop.systemd1.Manager",
3884 "CleanUnit");
3885 if (r < 0)
3886 return bus_log_create_error(r);
3887
3888 r = sd_bus_message_append(m, "s", *name);
3889 if (r < 0)
3890 return bus_log_create_error(r);
3891
3892 r = sd_bus_message_append_strv(m, arg_clean_what);
3893 if (r < 0)
3894 return bus_log_create_error(r);
3895
3896 r = sd_bus_call(bus, m, 0, &error, NULL);
3897 if (r < 0) {
3898 log_error_errno(r, "Failed to clean unit %s: %s", *name, bus_error_message(&error, r));
3899 if (ret == EXIT_SUCCESS) {
3900 ret = r;
3901 continue;
3902 }
3903 }
3904
3905 if (w) {
3906 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3907 if (r < 0)
3908 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3909 }
3910 }
3911
3912 r = bus_wait_for_units_run(w);
3913 if (r < 0)
3914 return log_error_errno(r, "Failed to wait for units: %m");
3915 if (r == BUS_WAIT_FAILURE)
3916 ret = EXIT_FAILURE;
3917
3918 return ret;
3919 }
3920
3921 typedef struct ExecStatusInfo {
3922 char *name;
3923
3924 char *path;
3925 char **argv;
3926
3927 bool ignore;
3928
3929 usec_t start_timestamp;
3930 usec_t exit_timestamp;
3931 pid_t pid;
3932 int code;
3933 int status;
3934
3935 ExecCommandFlags flags;
3936
3937 LIST_FIELDS(struct ExecStatusInfo, exec);
3938 } ExecStatusInfo;
3939
3940 static void exec_status_info_free(ExecStatusInfo *i) {
3941 assert(i);
3942
3943 free(i->name);
3944 free(i->path);
3945 strv_free(i->argv);
3946 free(i);
3947 }
3948
3949 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3950 _cleanup_strv_free_ char **ex_opts = NULL;
3951 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3952 const char *path;
3953 uint32_t pid;
3954 int32_t code, status;
3955 int ignore, r;
3956
3957 assert(m);
3958 assert(i);
3959
3960 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3961 if (r < 0)
3962 return bus_log_parse_error(r);
3963 else if (r == 0)
3964 return 0;
3965
3966 r = sd_bus_message_read(m, "s", &path);
3967 if (r < 0)
3968 return bus_log_parse_error(r);
3969
3970 i->path = strdup(path);
3971 if (!i->path)
3972 return log_oom();
3973
3974 r = sd_bus_message_read_strv(m, &i->argv);
3975 if (r < 0)
3976 return bus_log_parse_error(r);
3977
3978 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3979 if (r < 0)
3980 return bus_log_parse_error(r);
3981
3982 r = sd_bus_message_read(m,
3983 "ttttuii",
3984 &start_timestamp, &start_timestamp_monotonic,
3985 &exit_timestamp, &exit_timestamp_monotonic,
3986 &pid,
3987 &code, &status);
3988 if (r < 0)
3989 return bus_log_parse_error(r);
3990
3991 if (is_ex_prop) {
3992 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3993 if (r < 0)
3994 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3995
3996 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3997 } else
3998 i->ignore = ignore;
3999
4000 i->start_timestamp = (usec_t) start_timestamp;
4001 i->exit_timestamp = (usec_t) exit_timestamp;
4002 i->pid = (pid_t) pid;
4003 i->code = code;
4004 i->status = status;
4005
4006 r = sd_bus_message_exit_container(m);
4007 if (r < 0)
4008 return bus_log_parse_error(r);
4009
4010 return 1;
4011 }
4012
4013 typedef struct UnitCondition {
4014 char *name;
4015 char *param;
4016 bool trigger;
4017 bool negate;
4018 int tristate;
4019
4020 LIST_FIELDS(struct UnitCondition, conditions);
4021 } UnitCondition;
4022
4023 static void unit_condition_free(UnitCondition *c) {
4024 if (!c)
4025 return;
4026
4027 free(c->name);
4028 free(c->param);
4029 free(c);
4030 }
4031
4032 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4033
4034 typedef struct UnitStatusInfo {
4035 const char *id;
4036 const char *load_state;
4037 const char *active_state;
4038 const char *sub_state;
4039 const char *unit_file_state;
4040 const char *unit_file_preset;
4041
4042 const char *description;
4043 const char *following;
4044
4045 char **documentation;
4046
4047 const char *fragment_path;
4048 const char *source_path;
4049 const char *control_group;
4050
4051 char **dropin_paths;
4052
4053 char **triggered_by;
4054 char **triggers;
4055
4056 const char *load_error;
4057 const char *result;
4058
4059 usec_t inactive_exit_timestamp;
4060 usec_t inactive_exit_timestamp_monotonic;
4061 usec_t active_enter_timestamp;
4062 usec_t active_exit_timestamp;
4063 usec_t inactive_enter_timestamp;
4064
4065 bool need_daemon_reload;
4066 bool transient;
4067
4068 /* Service */
4069 pid_t main_pid;
4070 pid_t control_pid;
4071 const char *status_text;
4072 const char *pid_file;
4073 bool running:1;
4074 int status_errno;
4075
4076 usec_t start_timestamp;
4077 usec_t exit_timestamp;
4078
4079 int exit_code, exit_status;
4080
4081 usec_t condition_timestamp;
4082 bool condition_result;
4083 LIST_HEAD(UnitCondition, conditions);
4084
4085 usec_t assert_timestamp;
4086 bool assert_result;
4087 bool failed_assert_trigger;
4088 bool failed_assert_negate;
4089 const char *failed_assert;
4090 const char *failed_assert_parameter;
4091 usec_t next_elapse_real;
4092 usec_t next_elapse_monotonic;
4093
4094 /* Socket */
4095 unsigned n_accepted;
4096 unsigned n_connections;
4097 unsigned n_refused;
4098 bool accept;
4099
4100 /* Pairs of type, path */
4101 char **listen;
4102
4103 /* Device */
4104 const char *sysfs_path;
4105
4106 /* Mount, Automount */
4107 const char *where;
4108
4109 /* Swap */
4110 const char *what;
4111
4112 /* CGroup */
4113 uint64_t memory_current;
4114 uint64_t memory_min;
4115 uint64_t memory_low;
4116 uint64_t memory_high;
4117 uint64_t memory_max;
4118 uint64_t memory_swap_max;
4119 uint64_t memory_limit;
4120 uint64_t cpu_usage_nsec;
4121 uint64_t tasks_current;
4122 uint64_t tasks_max;
4123 uint64_t ip_ingress_bytes;
4124 uint64_t ip_egress_bytes;
4125 uint64_t io_read_bytes;
4126 uint64_t io_write_bytes;
4127
4128 uint64_t default_memory_min;
4129 uint64_t default_memory_low;
4130
4131 LIST_HEAD(ExecStatusInfo, exec);
4132 } UnitStatusInfo;
4133
4134 static void unit_status_info_free(UnitStatusInfo *info) {
4135 ExecStatusInfo *p;
4136 UnitCondition *c;
4137
4138 strv_free(info->documentation);
4139 strv_free(info->dropin_paths);
4140 strv_free(info->triggered_by);
4141 strv_free(info->triggers);
4142 strv_free(info->listen);
4143
4144 while ((c = info->conditions)) {
4145 LIST_REMOVE(conditions, info->conditions, c);
4146 unit_condition_free(c);
4147 }
4148
4149 while ((p = info->exec)) {
4150 LIST_REMOVE(exec, info->exec, p);
4151 exec_status_info_free(p);
4152 }
4153 }
4154
4155 static void format_active_state(const char *active_state, const char **active_on, const char **active_off) {
4156 if (streq_ptr(active_state, "failed")) {
4157 *active_on = ansi_highlight_red();
4158 *active_off = ansi_normal();
4159 } else if (STRPTR_IN_SET(active_state, "active", "reloading")) {
4160 *active_on = ansi_highlight_green();
4161 *active_off = ansi_normal();
4162 } else
4163 *active_on = *active_off = "";
4164 }
4165
4166 static void print_status_info(
4167 sd_bus *bus,
4168 UnitStatusInfo *i,
4169 bool *ellipsized) {
4170
4171 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4172 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4173 _cleanup_free_ char *formatted_path = NULL;
4174 ExecStatusInfo *p;
4175 usec_t timestamp;
4176 const char *path;
4177 char **t, **t2;
4178 int r;
4179
4180 assert(i);
4181
4182 /* This shows pretty information about a unit. See
4183 * print_property() for a low-level property printer */
4184
4185 format_active_state(i->active_state, &active_on, &active_off);
4186
4187 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4188
4189 if (i->description && !streq_ptr(i->id, i->description))
4190 printf(" - %s", i->description);
4191
4192 printf("\n");
4193
4194 if (i->following)
4195 printf(" Follow: unit currently follows state of %s\n", i->following);
4196
4197 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4198 on = ansi_highlight_red();
4199 off = ansi_normal();
4200 } else
4201 on = off = "";
4202
4203 path = i->source_path ?: i->fragment_path;
4204 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4205 path = formatted_path;
4206
4207 if (!isempty(i->load_error))
4208 printf(" Loaded: %s%s%s (Reason: %s)\n",
4209 on, strna(i->load_state), off, i->load_error);
4210 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4211 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4212 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4213 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4214 else if (path && !isempty(i->unit_file_state))
4215 printf(" Loaded: %s%s%s (%s; %s)\n",
4216 on, strna(i->load_state), off, path, i->unit_file_state);
4217 else if (path)
4218 printf(" Loaded: %s%s%s (%s)\n",
4219 on, strna(i->load_state), off, path);
4220 else
4221 printf(" Loaded: %s%s%s\n",
4222 on, strna(i->load_state), off);
4223
4224 if (i->transient)
4225 printf(" Transient: yes\n");
4226
4227 if (!strv_isempty(i->dropin_paths)) {
4228 _cleanup_free_ char *dir = NULL;
4229 bool last = false;
4230 char ** dropin;
4231
4232 STRV_FOREACH(dropin, i->dropin_paths) {
4233 _cleanup_free_ char *dropin_formatted = NULL;
4234 const char *df;
4235
4236 if (!dir || last) {
4237 printf(dir ? " " :
4238 " Drop-In: ");
4239
4240 dir = mfree(dir);
4241
4242 dir = dirname_malloc(*dropin);
4243 if (!dir) {
4244 log_oom();
4245 return;
4246 }
4247
4248 printf("%s\n"
4249 " %s", dir,
4250 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4251 }
4252
4253 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4254
4255 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4256 df = dropin_formatted;
4257 else
4258 df = *dropin;
4259
4260 printf("%s%s", df, last ? "\n" : ", ");
4261 }
4262 }
4263
4264 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4265 if (ss)
4266 printf(" Active: %s%s (%s)%s",
4267 active_on, strna(i->active_state), ss, active_off);
4268 else
4269 printf(" Active: %s%s%s",
4270 active_on, strna(i->active_state), active_off);
4271
4272 if (!isempty(i->result) && !streq(i->result, "success"))
4273 printf(" (Result: %s)", i->result);
4274
4275 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4276 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4277 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4278 i->active_exit_timestamp;
4279
4280 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4281 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4282
4283 if (s1)
4284 printf(" since %s; %s\n", s2, s1);
4285 else if (s2)
4286 printf(" since %s\n", s2);
4287 else
4288 printf("\n");
4289
4290 STRV_FOREACH(t, i->triggered_by) {
4291 UnitActiveState state = _UNIT_ACTIVE_STATE_INVALID;
4292
4293 (void) get_state_one_unit(bus, *t, &state);
4294 format_active_state(unit_active_state_to_string(state), &on, &off);
4295
4296 printf("%s %s%s%s %s\n",
4297 t == i->triggered_by ? "TriggeredBy:" : " ",
4298 on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off,
4299 *t);
4300 }
4301
4302 if (endswith(i->id, ".timer")) {
4303 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4304 tstamp2[FORMAT_TIMESTAMP_MAX];
4305 const char *next_rel_time, *next_time;
4306 dual_timestamp nw, next = {i->next_elapse_real,
4307 i->next_elapse_monotonic};
4308 usec_t next_elapse;
4309
4310 printf(" Trigger: ");
4311
4312 dual_timestamp_get(&nw);
4313 next_elapse = calc_next_elapse(&nw, &next);
4314 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4315 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4316
4317 if (next_time && next_rel_time)
4318 printf("%s; %s\n", next_time, next_rel_time);
4319 else
4320 printf("n/a\n");
4321 }
4322
4323 STRV_FOREACH(t, i->triggers) {
4324 UnitActiveState state = _UNIT_ACTIVE_STATE_INVALID;
4325
4326 (void) get_state_one_unit(bus, *t, &state);
4327 format_active_state(unit_active_state_to_string(state), &on, &off);
4328
4329 printf("%s %s%s%s %s\n",
4330 t == i->triggers ? " Triggers:" : " ",
4331 on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off,
4332 *t);
4333 }
4334
4335 if (!i->condition_result && i->condition_timestamp > 0) {
4336 UnitCondition *c;
4337 int n = 0;
4338
4339 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4340 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4341
4342 printf(" Condition: start %scondition failed%s at %s%s%s\n",
4343 ansi_highlight_yellow(), ansi_normal(),
4344 s2, s1 ? "; " : "", strempty(s1));
4345
4346 LIST_FOREACH(conditions, c, i->conditions)
4347 if (c->tristate < 0)
4348 n++;
4349
4350 LIST_FOREACH(conditions, c, i->conditions)
4351 if (c->tristate < 0)
4352 printf(" %s %s=%s%s%s was not met\n",
4353 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4354 c->name,
4355 c->trigger ? "|" : "",
4356 c->negate ? "!" : "",
4357 c->param);
4358 }
4359
4360 if (!i->assert_result && i->assert_timestamp > 0) {
4361 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4362 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4363
4364 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4365 ansi_highlight_red(), ansi_normal(),
4366 s2, s1 ? "; " : "", strempty(s1));
4367 if (i->failed_assert_trigger)
4368 printf(" none of the trigger assertions were met\n");
4369 else if (i->failed_assert)
4370 printf(" %s=%s%s was not met\n",
4371 i->failed_assert,
4372 i->failed_assert_negate ? "!" : "",
4373 i->failed_assert_parameter);
4374 }
4375
4376 if (i->sysfs_path)
4377 printf(" Device: %s\n", i->sysfs_path);
4378 if (i->where)
4379 printf(" Where: %s\n", i->where);
4380 if (i->what)
4381 printf(" What: %s\n", i->what);
4382
4383 STRV_FOREACH(t, i->documentation) {
4384 _cleanup_free_ char *formatted = NULL;
4385 const char *q;
4386
4387 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4388 q = formatted;
4389 else
4390 q = *t;
4391
4392 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4393 }
4394
4395 STRV_FOREACH_PAIR(t, t2, i->listen)
4396 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4397
4398 if (i->accept) {
4399 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4400 if (i->n_refused)
4401 printf(" Refused: %u", i->n_refused);
4402 printf("\n");
4403 }
4404
4405 LIST_FOREACH(exec, p, i->exec) {
4406 _cleanup_free_ char *argv = NULL;
4407 bool good;
4408
4409 /* Only show exited processes here */
4410 if (p->code == 0)
4411 continue;
4412
4413 /* Don't print ExecXYZEx= properties here since it will appear as a
4414 * duplicate of the non-Ex= variant. */
4415 if (endswith(p->name, "Ex"))
4416 continue;
4417
4418 argv = strv_join(p->argv, " ");
4419 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4420
4421 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4422 if (!good) {
4423 on = ansi_highlight_red();
4424 off = ansi_normal();
4425 } else
4426 on = off = "";
4427
4428 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4429
4430 if (p->code == CLD_EXITED) {
4431 const char *c;
4432
4433 printf("status=%i", p->status);
4434
4435 c = exit_status_to_string(p->status, EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4436 if (c)
4437 printf("/%s", c);
4438
4439 } else
4440 printf("signal=%s", signal_to_string(p->status));
4441
4442 printf(")%s\n", off);
4443
4444 if (i->main_pid == p->pid &&
4445 i->start_timestamp == p->start_timestamp &&
4446 i->exit_timestamp == p->start_timestamp)
4447 /* Let's not show this twice */
4448 i->main_pid = 0;
4449
4450 if (p->pid == i->control_pid)
4451 i->control_pid = 0;
4452 }
4453
4454 if (i->main_pid > 0 || i->control_pid > 0) {
4455 if (i->main_pid > 0) {
4456 printf(" Main PID: "PID_FMT, i->main_pid);
4457
4458 if (i->running) {
4459
4460 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4461 _cleanup_free_ char *comm = NULL;
4462
4463 (void) get_process_comm(i->main_pid, &comm);
4464 if (comm)
4465 printf(" (%s)", comm);
4466 }
4467
4468 } else if (i->exit_code > 0) {
4469 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4470
4471 if (i->exit_code == CLD_EXITED) {
4472 const char *c;
4473
4474 printf("status=%i", i->exit_status);
4475
4476 c = exit_status_to_string(i->exit_status,
4477 EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4478 if (c)
4479 printf("/%s", c);
4480
4481 } else
4482 printf("signal=%s", signal_to_string(i->exit_status));
4483 printf(")");
4484 }
4485 }
4486
4487 if (i->control_pid > 0) {
4488 _cleanup_free_ char *c = NULL;
4489
4490 if (i->main_pid > 0)
4491 fputs("; Control PID: ", stdout);
4492 else
4493 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4494
4495 printf(PID_FMT, i->control_pid);
4496
4497 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4498 (void) get_process_comm(i->control_pid, &c);
4499 if (c)
4500 printf(" (%s)", c);
4501 }
4502 }
4503
4504 printf("\n");
4505 }
4506
4507 if (i->status_text)
4508 printf(" Status: \"%s\"\n", i->status_text);
4509 if (i->status_errno > 0)
4510 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4511
4512 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4513 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4514
4515 printf(" IP: %s in, %s out\n",
4516 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4517 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4518 }
4519
4520 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4521 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4522
4523 printf(" IO: %s read, %s written\n",
4524 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4525 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4526 }
4527
4528 if (i->tasks_current != (uint64_t) -1) {
4529 printf(" Tasks: %" PRIu64, i->tasks_current);
4530
4531 if (i->tasks_max != (uint64_t) -1)
4532 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4533 else
4534 printf("\n");
4535 }
4536
4537 if (i->memory_current != (uint64_t) -1) {
4538 char buf[FORMAT_BYTES_MAX];
4539
4540 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4541
4542 if (i->memory_min > 0 || i->memory_low > 0 ||
4543 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4544 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4545 i->memory_limit != CGROUP_LIMIT_MAX) {
4546 const char *prefix = "";
4547
4548 printf(" (");
4549 if (i->memory_min > 0) {
4550 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4551 prefix = " ";
4552 }
4553 if (i->memory_low > 0) {
4554 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4555 prefix = " ";
4556 }
4557 if (i->memory_high != CGROUP_LIMIT_MAX) {
4558 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4559 prefix = " ";
4560 }
4561 if (i->memory_max != CGROUP_LIMIT_MAX) {
4562 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4563 prefix = " ";
4564 }
4565 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4566 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4567 prefix = " ";
4568 }
4569 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4570 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4571 prefix = " ";
4572 }
4573 printf(")");
4574 }
4575 printf("\n");
4576 }
4577
4578 if (i->cpu_usage_nsec != (uint64_t) -1) {
4579 char buf[FORMAT_TIMESPAN_MAX];
4580 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4581 }
4582
4583 if (i->control_group) {
4584 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4585 static const char prefix[] = " ";
4586 unsigned c;
4587
4588 printf(" CGroup: %s\n", i->control_group);
4589
4590 c = columns();
4591 if (c > sizeof(prefix) - 1)
4592 c -= sizeof(prefix) - 1;
4593 else
4594 c = 0;
4595
4596 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4597 if (r == -EBADR) {
4598 unsigned k = 0;
4599 pid_t extra[2];
4600
4601 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4602
4603 if (i->main_pid > 0)
4604 extra[k++] = i->main_pid;
4605
4606 if (i->control_pid > 0)
4607 extra[k++] = i->control_pid;
4608
4609 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4610 } else if (r < 0)
4611 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4612 i->id, bus_error_message(&error, r));
4613 }
4614
4615 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4616 show_journal_by_unit(
4617 stdout,
4618 i->id,
4619 arg_output,
4620 0,
4621 i->inactive_exit_timestamp_monotonic,
4622 arg_lines,
4623 getuid(),
4624 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4625 SD_JOURNAL_LOCAL_ONLY,
4626 arg_scope == UNIT_FILE_SYSTEM,
4627 ellipsized);
4628
4629 if (i->need_daemon_reload)
4630 warn_unit_file_changed(i->id);
4631 }
4632
4633 static void show_unit_help(UnitStatusInfo *i) {
4634 char **p;
4635
4636 assert(i);
4637
4638 if (!i->documentation) {
4639 log_info("Documentation for %s not known.", i->id);
4640 return;
4641 }
4642
4643 STRV_FOREACH(p, i->documentation)
4644 if (startswith(*p, "man:"))
4645 show_man_page(*p + 4, false);
4646 else
4647 log_info("Can't show: %s", *p);
4648 }
4649
4650 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4651 UnitStatusInfo *i = userdata;
4652 uint32_t u;
4653 int r;
4654
4655 r = sd_bus_message_read(m, "u", &u);
4656 if (r < 0)
4657 return r;
4658
4659 i->main_pid = (pid_t) u;
4660 i->running = u > 0;
4661
4662 return 0;
4663 }
4664
4665 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4666 const char *message, **p = userdata;
4667 int r;
4668
4669 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4670 if (r < 0)
4671 return r;
4672
4673 if (!isempty(message))
4674 *p = message;
4675
4676 return 0;
4677 }
4678
4679 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4680 const char *type, *path;
4681 char ***p = userdata;
4682 int r;
4683
4684 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4685 if (r < 0)
4686 return r;
4687
4688 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4689
4690 r = strv_extend(p, type);
4691 if (r < 0)
4692 return r;
4693
4694 r = strv_extend(p, path);
4695 if (r < 0)
4696 return r;
4697 }
4698 if (r < 0)
4699 return r;
4700
4701 r = sd_bus_message_exit_container(m);
4702 if (r < 0)
4703 return r;
4704
4705 return 0;
4706 }
4707
4708 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4709 UnitStatusInfo *i = userdata;
4710 const char *cond, *param;
4711 int trigger, negate;
4712 int32_t state;
4713 int r;
4714
4715 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4716 if (r < 0)
4717 return r;
4718
4719 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4720 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4721
4722 c = new(UnitCondition, 1);
4723 if (!c)
4724 return -ENOMEM;
4725
4726 *c = (UnitCondition) {
4727 .name = strdup(cond),
4728 .param = strdup(param),
4729 .trigger = trigger,
4730 .negate = negate,
4731 .tristate = state,
4732 };
4733
4734 if (!c->name || !c->param)
4735 return -ENOMEM;
4736
4737 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4738 }
4739 if (r < 0)
4740 return r;
4741
4742 r = sd_bus_message_exit_container(m);
4743 if (r < 0)
4744 return r;
4745
4746 return 0;
4747 }
4748
4749 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4750 UnitStatusInfo *i = userdata;
4751 const char *cond, *param;
4752 int trigger, negate;
4753 int32_t state;
4754 int r;
4755
4756 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4757 if (r < 0)
4758 return r;
4759
4760 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4761 if (state < 0 && (!trigger || !i->failed_assert)) {
4762 i->failed_assert = cond;
4763 i->failed_assert_trigger = trigger;
4764 i->failed_assert_negate = negate;
4765 i->failed_assert_parameter = param;
4766 }
4767 }
4768 if (r < 0)
4769 return r;
4770
4771 r = sd_bus_message_exit_container(m);
4772 if (r < 0)
4773 return r;
4774
4775 return 0;
4776 }
4777
4778 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4779 _cleanup_free_ ExecStatusInfo *info = NULL;
4780 ExecStatusInfo *last;
4781 UnitStatusInfo *i = userdata;
4782 bool is_ex_prop = endswith(member, "Ex");
4783 int r;
4784
4785 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4786 if (r < 0)
4787 return r;
4788
4789 info = new0(ExecStatusInfo, 1);
4790 if (!info)
4791 return -ENOMEM;
4792
4793 LIST_FIND_TAIL(exec, i->exec, last);
4794
4795 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4796
4797 info->name = strdup(member);
4798 if (!info->name)
4799 return -ENOMEM;
4800
4801 LIST_INSERT_AFTER(exec, i->exec, last, info);
4802 last = info;
4803
4804 info = new0(ExecStatusInfo, 1);
4805 if (!info)
4806 return -ENOMEM;
4807 }
4808 if (r < 0)
4809 return r;
4810
4811 r = sd_bus_message_exit_container(m);
4812 if (r < 0)
4813 return r;
4814
4815 return 0;
4816 }
4817
4818 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4819 char bus_type;
4820 const char *contents;
4821 int r;
4822
4823 assert(name);
4824 assert(m);
4825
4826 /* This is a low-level property printer, see
4827 * print_status_info() for the nicer output */
4828
4829 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4830 if (r < 0)
4831 return r;
4832
4833 switch (bus_type) {
4834
4835 case SD_BUS_TYPE_INT32:
4836 if (endswith(name, "ActionExitStatus")) {
4837 int32_t i;
4838
4839 r = sd_bus_message_read_basic(m, bus_type, &i);
4840 if (r < 0)
4841 return r;
4842
4843 if (i >= 0 && i <= 255)
4844 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4845 else if (all)
4846 bus_print_property_value(name, expected_value, value, "[not set]");
4847
4848 return 1;
4849 } else if (streq(name, "NUMAPolicy")) {
4850 int32_t i;
4851
4852 r = sd_bus_message_read_basic(m, bus_type, &i);
4853 if (r < 0)
4854 return r;
4855
4856 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4857
4858 return 1;
4859 }
4860 break;
4861
4862 case SD_BUS_TYPE_STRUCT:
4863
4864 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4865 uint32_t u;
4866
4867 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4868 if (r < 0)
4869 return bus_log_parse_error(r);
4870
4871 if (u > 0)
4872 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4873 else if (all)
4874 bus_print_property_value(name, expected_value, value, "");
4875
4876 return 1;
4877
4878 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4879 const char *s;
4880
4881 r = sd_bus_message_read(m, "(so)", &s, NULL);
4882 if (r < 0)
4883 return bus_log_parse_error(r);
4884
4885 if (all || !isempty(s))
4886 bus_print_property_value(name, expected_value, value, s);
4887
4888 return 1;
4889
4890 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4891 const char *a = NULL, *b = NULL;
4892
4893 r = sd_bus_message_read(m, "(ss)", &a, &b);
4894 if (r < 0)
4895 return bus_log_parse_error(r);
4896
4897 if (!isempty(a) || !isempty(b))
4898 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4899 else if (all)
4900 bus_print_property_value(name, expected_value, value, "");
4901
4902 return 1;
4903
4904 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4905 _cleanup_strv_free_ char **l = NULL;
4906 int whitelist;
4907
4908 r = sd_bus_message_enter_container(m, 'r', "bas");
4909 if (r < 0)
4910 return bus_log_parse_error(r);
4911
4912 r = sd_bus_message_read(m, "b", &whitelist);
4913 if (r < 0)
4914 return bus_log_parse_error(r);
4915
4916 r = sd_bus_message_read_strv(m, &l);
4917 if (r < 0)
4918 return bus_log_parse_error(r);
4919
4920 r = sd_bus_message_exit_container(m);
4921 if (r < 0)
4922 return bus_log_parse_error(r);
4923
4924 if (all || whitelist || !strv_isempty(l)) {
4925 bool first = true;
4926 char **i;
4927
4928 if (!value) {
4929 fputs(name, stdout);
4930 fputc('=', stdout);
4931 }
4932
4933 if (!whitelist)
4934 fputc('~', stdout);
4935
4936 STRV_FOREACH(i, l) {
4937 if (first)
4938 first = false;
4939 else
4940 fputc(' ', stdout);
4941
4942 fputs(*i, stdout);
4943 }
4944 fputc('\n', stdout);
4945 }
4946
4947 return 1;
4948
4949 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4950 int ignore;
4951 const char *s;
4952
4953 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4954 if (r < 0)
4955 return bus_log_parse_error(r);
4956
4957 if (!isempty(s))
4958 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4959 else if (all)
4960 bus_print_property_value(name, expected_value, value, "");
4961
4962 return 1;
4963
4964 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4965 const int32_t *status, *signal;
4966 size_t n_status, n_signal, i;
4967
4968 r = sd_bus_message_enter_container(m, 'r', "aiai");
4969 if (r < 0)
4970 return bus_log_parse_error(r);
4971
4972 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status);
4973 if (r < 0)
4974 return bus_log_parse_error(r);
4975
4976 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal);
4977 if (r < 0)
4978 return bus_log_parse_error(r);
4979
4980 r = sd_bus_message_exit_container(m);
4981 if (r < 0)
4982 return bus_log_parse_error(r);
4983
4984 n_status /= sizeof(int32_t);
4985 n_signal /= sizeof(int32_t);
4986
4987 if (all || n_status > 0 || n_signal > 0) {
4988 bool first = true;
4989
4990 if (!value) {
4991 fputs(name, stdout);
4992 fputc('=', stdout);
4993 }
4994
4995 for (i = 0; i < n_status; i++) {
4996 if (first)
4997 first = false;
4998 else
4999 fputc(' ', stdout);
5000
5001 printf("%"PRIi32, status[i]);
5002 }
5003
5004 for (i = 0; i < n_signal; i++) {
5005 const char *str;
5006
5007 str = signal_to_string((int) signal[i]);
5008
5009 if (first)
5010 first = false;
5011 else
5012 fputc(' ', stdout);
5013
5014 if (str)
5015 fputs(str, stdout);
5016 else
5017 printf("%"PRIi32, status[i]);
5018 }
5019
5020 fputc('\n', stdout);
5021 }
5022 return 1;
5023 }
5024
5025 break;
5026
5027 case SD_BUS_TYPE_ARRAY:
5028
5029 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
5030 const char *path;
5031 int ignore;
5032
5033 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
5034 if (r < 0)
5035 return bus_log_parse_error(r);
5036
5037 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
5038 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
5039
5040 if (r < 0)
5041 return bus_log_parse_error(r);
5042
5043 r = sd_bus_message_exit_container(m);
5044 if (r < 0)
5045 return bus_log_parse_error(r);
5046
5047 return 1;
5048
5049 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
5050 const char *type, *path;
5051
5052 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5053 if (r < 0)
5054 return bus_log_parse_error(r);
5055
5056 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5057 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5058 if (r < 0)
5059 return bus_log_parse_error(r);
5060
5061 r = sd_bus_message_exit_container(m);
5062 if (r < 0)
5063 return bus_log_parse_error(r);
5064
5065 return 1;
5066
5067 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5068 const char *type, *path;
5069
5070 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5071 if (r < 0)
5072 return bus_log_parse_error(r);
5073
5074 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5075 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5076 if (r < 0)
5077 return bus_log_parse_error(r);
5078
5079 r = sd_bus_message_exit_container(m);
5080 if (r < 0)
5081 return bus_log_parse_error(r);
5082
5083 return 1;
5084
5085 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5086 const char *base;
5087 uint64_t v, next_elapse;
5088
5089 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5090 if (r < 0)
5091 return bus_log_parse_error(r);
5092
5093 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5094 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5095
5096 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5097 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5098
5099 bus_print_property_valuef(name, expected_value, value,
5100 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5101 }
5102 if (r < 0)
5103 return bus_log_parse_error(r);
5104
5105 r = sd_bus_message_exit_container(m);
5106 if (r < 0)
5107 return bus_log_parse_error(r);
5108
5109 return 1;
5110
5111 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5112 const char *base, *spec;
5113 uint64_t next_elapse;
5114
5115 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5116 if (r < 0)
5117 return bus_log_parse_error(r);
5118
5119 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5120 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5121
5122 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5123 bus_print_property_valuef(name, expected_value, value,
5124 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5125 }
5126 if (r < 0)
5127 return bus_log_parse_error(r);
5128
5129 r = sd_bus_message_exit_container(m);
5130 if (r < 0)
5131 return bus_log_parse_error(r);
5132
5133 return 1;
5134
5135 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5136 ExecStatusInfo info = {};
5137 bool is_ex_prop = endswith(name, "Ex");
5138
5139 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5140 if (r < 0)
5141 return bus_log_parse_error(r);
5142
5143 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5144 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5145 _cleanup_strv_free_ char **optv = NULL;
5146 _cleanup_free_ char *tt, *o = NULL;
5147
5148 tt = strv_join(info.argv, " ");
5149
5150 if (is_ex_prop) {
5151 r = exec_command_flags_to_strv(info.flags, &optv);
5152 if (r < 0)
5153 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5154
5155 o = strv_join(optv, " ");
5156
5157 bus_print_property_valuef(name, expected_value, value,
5158 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5159 strna(info.path),
5160 strna(tt),
5161 strna(o),
5162 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5163 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5164 info.pid,
5165 sigchld_code_to_string(info.code),
5166 info.status,
5167 info.code == CLD_EXITED ? "" : "/",
5168 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5169 } else
5170 bus_print_property_valuef(name, expected_value, value,
5171 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5172 strna(info.path),
5173 strna(tt),
5174 yes_no(info.ignore),
5175 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5176 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5177 info.pid,
5178 sigchld_code_to_string(info.code),
5179 info.status,
5180 info.code == CLD_EXITED ? "" : "/",
5181 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5182
5183 free(info.path);
5184 strv_free(info.argv);
5185 zero(info);
5186 }
5187
5188 r = sd_bus_message_exit_container(m);
5189 if (r < 0)
5190 return bus_log_parse_error(r);
5191
5192 return 1;
5193
5194 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5195 const char *path, *rwm;
5196
5197 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5198 if (r < 0)
5199 return bus_log_parse_error(r);
5200
5201 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5202 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5203 if (r < 0)
5204 return bus_log_parse_error(r);
5205
5206 r = sd_bus_message_exit_container(m);
5207 if (r < 0)
5208 return bus_log_parse_error(r);
5209
5210 return 1;
5211
5212 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5213 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5214 const char *path;
5215 uint64_t weight;
5216
5217 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5218 if (r < 0)
5219 return bus_log_parse_error(r);
5220
5221 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5222 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5223 if (r < 0)
5224 return bus_log_parse_error(r);
5225
5226 r = sd_bus_message_exit_container(m);
5227 if (r < 0)
5228 return bus_log_parse_error(r);
5229
5230 return 1;
5231
5232 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5233 (cgroup_io_limit_type_from_string(name) >= 0 ||
5234 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5235 const char *path;
5236 uint64_t bandwidth;
5237
5238 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5239 if (r < 0)
5240 return bus_log_parse_error(r);
5241
5242 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5243 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5244 if (r < 0)
5245 return bus_log_parse_error(r);
5246
5247 r = sd_bus_message_exit_container(m);
5248 if (r < 0)
5249 return bus_log_parse_error(r);
5250
5251 return 1;
5252
5253 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5254 streq(name, "IODeviceLatencyTargetUSec")) {
5255 char ts[FORMAT_TIMESPAN_MAX];
5256 const char *path;
5257 uint64_t target;
5258
5259 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5260 if (r < 0)
5261 return bus_log_parse_error(r);
5262
5263 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5264 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5265 format_timespan(ts, sizeof(ts), target, 1));
5266 if (r < 0)
5267 return bus_log_parse_error(r);
5268
5269 r = sd_bus_message_exit_container(m);
5270 if (r < 0)
5271 return bus_log_parse_error(r);
5272
5273 return 1;
5274
5275 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5276 _cleanup_free_ char *h = NULL;
5277 const void *p;
5278 size_t sz;
5279 ssize_t n;
5280
5281 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5282 if (r < 0)
5283 return bus_log_parse_error(r);
5284
5285 n = base64mem(p, sz, &h);
5286 if (n < 0)
5287 return log_oom();
5288
5289 bus_print_property_value(name, expected_value, value, h);
5290
5291 return 1;
5292
5293 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5294 _cleanup_free_ char *addresses = NULL;
5295
5296 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5297 if (r < 0)
5298 return bus_log_parse_error(r);
5299
5300 for (;;) {
5301 _cleanup_free_ char *str = NULL;
5302 uint32_t prefixlen;
5303 int32_t family;
5304 const void *ap;
5305 size_t an;
5306
5307 r = sd_bus_message_enter_container(m, 'r', "iayu");
5308 if (r < 0)
5309 return bus_log_parse_error(r);
5310 if (r == 0)
5311 break;
5312
5313 r = sd_bus_message_read(m, "i", &family);
5314 if (r < 0)
5315 return bus_log_parse_error(r);
5316
5317 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5318 if (r < 0)
5319 return bus_log_parse_error(r);
5320
5321 r = sd_bus_message_read(m, "u", &prefixlen);
5322 if (r < 0)
5323 return bus_log_parse_error(r);
5324
5325 r = sd_bus_message_exit_container(m);
5326 if (r < 0)
5327 return bus_log_parse_error(r);
5328
5329 if (!IN_SET(family, AF_INET, AF_INET6))
5330 continue;
5331
5332 if (an != FAMILY_ADDRESS_SIZE(family))
5333 continue;
5334
5335 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5336 continue;
5337
5338 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5339 continue;
5340
5341 if (!strextend_with_separator(&addresses, " ", str, NULL))
5342 return log_oom();
5343 }
5344
5345 r = sd_bus_message_exit_container(m);
5346 if (r < 0)
5347 return bus_log_parse_error(r);
5348
5349 if (all || !isempty(addresses))
5350 bus_print_property_value(name, expected_value, value, strempty(addresses));
5351
5352 return 1;
5353
5354 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5355 _cleanup_free_ char *paths = NULL;
5356 const char *source, *dest;
5357 int ignore_enoent;
5358 uint64_t rbind;
5359
5360 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5361 if (r < 0)
5362 return bus_log_parse_error(r);
5363
5364 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5365 _cleanup_free_ char *str = NULL;
5366
5367 if (isempty(source))
5368 continue;
5369
5370 if (asprintf(&str, "%s%s%s%s%s",
5371 ignore_enoent ? "-" : "",
5372 source,
5373 isempty(dest) ? "" : ":",
5374 strempty(dest),
5375 rbind == MS_REC ? ":rbind" : "") < 0)
5376 return log_oom();
5377
5378 if (!strextend_with_separator(&paths, " ", str, NULL))
5379 return log_oom();
5380 }
5381 if (r < 0)
5382 return bus_log_parse_error(r);
5383
5384 r = sd_bus_message_exit_container(m);
5385 if (r < 0)
5386 return bus_log_parse_error(r);
5387
5388 if (all || !isempty(paths))
5389 bus_print_property_value(name, expected_value, value, strempty(paths));
5390
5391 return 1;
5392
5393 } else if (streq(name, "TemporaryFileSystem")) {
5394 _cleanup_free_ char *paths = NULL;
5395 const char *target, *option;
5396
5397 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5398 if (r < 0)
5399 return bus_log_parse_error(r);
5400
5401 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5402 _cleanup_free_ char *str = NULL;
5403
5404 if (isempty(target))
5405 continue;
5406
5407 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5408 return log_oom();
5409
5410 if (!strextend_with_separator(&paths, " ", str, NULL))
5411 return log_oom();
5412 }
5413 if (r < 0)
5414 return bus_log_parse_error(r);
5415
5416 r = sd_bus_message_exit_container(m);
5417 if (r < 0)
5418 return bus_log_parse_error(r);
5419
5420 if (all || !isempty(paths))
5421 bus_print_property_value(name, expected_value, value, strempty(paths));
5422
5423 return 1;
5424
5425 } else if (streq(name, "LogExtraFields")) {
5426 _cleanup_free_ char *fields = NULL;
5427 const void *p;
5428 size_t sz;
5429
5430 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5431 if (r < 0)
5432 return bus_log_parse_error(r);
5433
5434 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5435 _cleanup_free_ char *str = NULL;
5436 const char *eq;
5437
5438 if (memchr(p, 0, sz))
5439 continue;
5440
5441 eq = memchr(p, '=', sz);
5442 if (!eq)
5443 continue;
5444
5445 if (!journal_field_valid(p, eq - (const char*) p, false))
5446 continue;
5447
5448 str = malloc(sz + 1);
5449 if (!str)
5450 return log_oom();
5451
5452 memcpy(str, p, sz);
5453 str[sz] = '\0';
5454
5455 if (!utf8_is_valid(str))
5456 continue;
5457
5458 if (!strextend_with_separator(&fields, " ", str, NULL))
5459 return log_oom();
5460 }
5461 if (r < 0)
5462 return bus_log_parse_error(r);
5463
5464 r = sd_bus_message_exit_container(m);
5465 if (r < 0)
5466 return bus_log_parse_error(r);
5467
5468 if (all || !isempty(fields))
5469 bus_print_property_value(name, expected_value, value, strempty(fields));
5470
5471 return 1;
5472 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask", "AllowedCPUs", "AllowedMemoryNodes", "EffectiveCPUs", "EffectiveMemoryNodes")) {
5473 _cleanup_free_ char *affinity = NULL;
5474 _cleanup_(cpu_set_reset) CPUSet set = {};
5475 const void *a;
5476 size_t n;
5477
5478 r = sd_bus_message_read_array(m, 'y', &a, &n);
5479 if (r < 0)
5480 return bus_log_parse_error(r);
5481
5482 r = cpu_set_from_dbus(a, n, &set);
5483 if (r < 0)
5484 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5485
5486 affinity = cpu_set_to_range_string(&set);
5487 if (!affinity)
5488 return log_oom();
5489
5490 bus_print_property_value(name, expected_value, value, affinity);
5491
5492 return 1;
5493 }
5494
5495 break;
5496 }
5497
5498 return 0;
5499 }
5500
5501 typedef enum SystemctlShowMode{
5502 SYSTEMCTL_SHOW_PROPERTIES,
5503 SYSTEMCTL_SHOW_STATUS,
5504 SYSTEMCTL_SHOW_HELP,
5505 _SYSTEMCTL_SHOW_MODE_MAX,
5506 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5507 } SystemctlShowMode;
5508
5509 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5510 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5511 [SYSTEMCTL_SHOW_STATUS] = "status",
5512 [SYSTEMCTL_SHOW_HELP] = "help",
5513 };
5514
5515 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5516
5517 static int show_one(
5518 sd_bus *bus,
5519 const char *path,
5520 const char *unit,
5521 SystemctlShowMode show_mode,
5522 bool *new_line,
5523 bool *ellipsized) {
5524
5525 static const struct bus_properties_map property_map[] = {
5526 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5527 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5528 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5529 {}
5530 }, status_map[] = {
5531 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5532 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5533 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5534 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5535 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5536 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5537 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5538 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5539 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5540 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5541 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5542 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5543 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5544 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5545 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5546 { "TriggeredBy", "as", NULL, offsetof(UnitStatusInfo, triggered_by) },
5547 { "Triggers", "as", NULL, offsetof(UnitStatusInfo, triggers) },
5548 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5549 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5550 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5551 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5552 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5553 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5554 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5555 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5556 { "MainPID", "u", map_main_pid, 0 },
5557 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5558 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5559 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5560 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5561 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5562 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5563 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5564 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5565 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5566 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5567 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5568 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5569 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5570 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5571 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5572 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5573 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5574 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5575 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5576 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5577 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5578 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5579 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5580 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5581 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5582 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5583 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5584 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5585 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5586 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5587 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5588 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5589 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5590 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5591 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5592 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5593 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5594 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5595 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5596 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5597 { "ExecCondition", "a(sasbttttuii)", map_exec, 0 },
5598 { "ExecConditionEx", "a(sasasttttuii)", map_exec, 0 },
5599 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5600 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5601 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5602 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5603 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5604 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5605 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5606 { "ExecReloadEx", "a(sasasttttuii)", map_exec, 0 },
5607 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5608 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5609 { "ExecStopEx", "a(sasasttttuii)", map_exec, 0 },
5610 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5611 { "ExecStopPostEx", "a(sasasttttuii)", map_exec, 0 },
5612 {}
5613 };
5614
5615 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5616 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5617 _cleanup_set_free_ Set *found_properties = NULL;
5618 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5619 .memory_current = (uint64_t) -1,
5620 .memory_high = CGROUP_LIMIT_MAX,
5621 .memory_max = CGROUP_LIMIT_MAX,
5622 .memory_swap_max = CGROUP_LIMIT_MAX,
5623 .memory_limit = (uint64_t) -1,
5624 .cpu_usage_nsec = (uint64_t) -1,
5625 .tasks_current = (uint64_t) -1,
5626 .tasks_max = (uint64_t) -1,
5627 .ip_ingress_bytes = (uint64_t) -1,
5628 .ip_egress_bytes = (uint64_t) -1,
5629 .io_read_bytes = UINT64_MAX,
5630 .io_write_bytes = UINT64_MAX,
5631 };
5632 char **pp;
5633 int r;
5634
5635 assert(path);
5636 assert(new_line);
5637
5638 log_debug("Showing one %s", path);
5639
5640 r = bus_map_all_properties(
5641 bus,
5642 "org.freedesktop.systemd1",
5643 path,
5644 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5645 BUS_MAP_BOOLEAN_AS_BOOL,
5646 &error,
5647 &reply,
5648 &info);
5649 if (r < 0)
5650 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5651
5652 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5653 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5654 "Unit %s could not be found.", unit);
5655
5656 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5657 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5658 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5659 return -ENOENT;
5660 }
5661
5662 if (*new_line)
5663 printf("\n");
5664
5665 *new_line = true;
5666
5667 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5668 print_status_info(bus, &info, ellipsized);
5669
5670 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5671 return EXIT_PROGRAM_NOT_RUNNING;
5672
5673 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5674
5675 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5676 show_unit_help(&info);
5677 return 0;
5678 }
5679
5680 r = sd_bus_message_rewind(reply, true);
5681 if (r < 0)
5682 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5683
5684 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5685 if (r < 0)
5686 return bus_log_parse_error(r);
5687
5688 STRV_FOREACH(pp, arg_properties)
5689 if (!set_contains(found_properties, *pp))
5690 log_debug("Property %s does not exist.", *pp);
5691
5692 return 0;
5693 }
5694
5695 static int get_unit_dbus_path_by_pid(
5696 sd_bus *bus,
5697 uint32_t pid,
5698 char **unit) {
5699
5700 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5701 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5702 char *u;
5703 int r;
5704
5705 r = sd_bus_call_method(
5706 bus,
5707 "org.freedesktop.systemd1",
5708 "/org/freedesktop/systemd1",
5709 "org.freedesktop.systemd1.Manager",
5710 "GetUnitByPID",
5711 &error,
5712 &reply,
5713 "u", pid);
5714 if (r < 0)
5715 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5716
5717 r = sd_bus_message_read(reply, "o", &u);
5718 if (r < 0)
5719 return bus_log_parse_error(r);
5720
5721 u = strdup(u);
5722 if (!u)
5723 return log_oom();
5724
5725 *unit = u;
5726 return 0;
5727 }
5728
5729 static int show_all(
5730 sd_bus *bus,
5731 bool *new_line,
5732 bool *ellipsized) {
5733
5734 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5735 _cleanup_free_ UnitInfo *unit_infos = NULL;
5736 const UnitInfo *u;
5737 unsigned c;
5738 int r, ret = 0;
5739
5740 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5741 if (r < 0)
5742 return r;
5743
5744 (void) pager_open(arg_pager_flags);
5745
5746 c = (unsigned) r;
5747
5748 typesafe_qsort(unit_infos, c, compare_unit_info);
5749
5750 for (u = unit_infos; u < unit_infos + c; u++) {
5751 _cleanup_free_ char *p = NULL;
5752
5753 p = unit_dbus_path_from_name(u->id);
5754 if (!p)
5755 return log_oom();
5756
5757 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5758 if (r < 0)
5759 return r;
5760 else if (r > 0 && ret == 0)
5761 ret = r;
5762 }
5763
5764 return ret;
5765 }
5766
5767 static int show_system_status(sd_bus *bus) {
5768 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5769 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5770 _cleanup_(machine_info_clear) struct machine_info mi = {};
5771 _cleanup_free_ char *hn = NULL;
5772 const char *on, *off;
5773 int r;
5774
5775 hn = gethostname_malloc();
5776 if (!hn)
5777 return log_oom();
5778
5779 r = bus_map_all_properties(
5780 bus,
5781 "org.freedesktop.systemd1",
5782 "/org/freedesktop/systemd1",
5783 machine_info_property_map,
5784 BUS_MAP_STRDUP,
5785 &error,
5786 NULL,
5787 &mi);
5788 if (r < 0)
5789 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5790
5791 if (streq_ptr(mi.state, "degraded")) {
5792 on = ansi_highlight_red();
5793 off = ansi_normal();
5794 } else if (streq_ptr(mi.state, "running")) {
5795 on = ansi_highlight_green();
5796 off = ansi_normal();
5797 } else {
5798 on = ansi_highlight_yellow();
5799 off = ansi_normal();
5800 }
5801
5802 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5803
5804 printf(" State: %s%s%s\n",
5805 on, strna(mi.state), off);
5806
5807 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5808 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5809
5810 printf(" Since: %s; %s\n",
5811 format_timestamp(since2, sizeof(since2), mi.timestamp),
5812 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5813
5814 printf(" CGroup: %s\n", mi.control_group ?: "/");
5815 if (IN_SET(arg_transport,
5816 BUS_TRANSPORT_LOCAL,
5817 BUS_TRANSPORT_MACHINE)) {
5818 static const char prefix[] = " ";
5819 unsigned c;
5820
5821 c = columns();
5822 if (c > sizeof(prefix) - 1)
5823 c -= sizeof(prefix) - 1;
5824 else
5825 c = 0;
5826
5827 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5828 }
5829
5830 return 0;
5831 }
5832
5833 static int show(int argc, char *argv[], void *userdata) {
5834 bool new_line = false, ellipsized = false;
5835 SystemctlShowMode show_mode;
5836 int r, ret = 0;
5837 sd_bus *bus;
5838
5839 assert(argv);
5840
5841 show_mode = systemctl_show_mode_from_string(argv[0]);
5842 if (show_mode < 0)
5843 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5844 "Invalid argument.");
5845
5846 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5847 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5848 "This command expects one or more unit names. Did you mean --help?");
5849
5850 r = acquire_bus(BUS_MANAGER, &bus);
5851 if (r < 0)
5852 return r;
5853
5854 (void) pager_open(arg_pager_flags);
5855
5856 /* If no argument is specified inspect the manager itself */
5857 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5858 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5859
5860 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5861
5862 show_system_status(bus);
5863 new_line = true;
5864
5865 if (arg_all)
5866 ret = show_all(bus, &new_line, &ellipsized);
5867 } else {
5868 _cleanup_free_ char **patterns = NULL;
5869 char **name;
5870
5871 STRV_FOREACH(name, strv_skip(argv, 1)) {
5872 _cleanup_free_ char *path = NULL, *unit = NULL;
5873 uint32_t id;
5874
5875 if (safe_atou32(*name, &id) < 0) {
5876 if (strv_push(&patterns, *name) < 0)
5877 return log_oom();
5878
5879 continue;
5880 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5881 /* Interpret as job id */
5882 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5883 return log_oom();
5884
5885 } else {
5886 /* Interpret as PID */
5887 r = get_unit_dbus_path_by_pid(bus, id, &path);
5888 if (r < 0) {
5889 ret = r;
5890 continue;
5891 }
5892
5893 r = unit_name_from_dbus_path(path, &unit);
5894 if (r < 0)
5895 return log_oom();
5896 }
5897
5898 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5899 if (r < 0)
5900 return r;
5901 else if (r > 0 && ret == 0)
5902 ret = r;
5903 }
5904
5905 if (!strv_isempty(patterns)) {
5906 _cleanup_strv_free_ char **names = NULL;
5907
5908 r = expand_names(bus, patterns, NULL, &names, NULL);
5909 if (r < 0)
5910 return log_error_errno(r, "Failed to expand names: %m");
5911
5912 STRV_FOREACH(name, names) {
5913 _cleanup_free_ char *path;
5914
5915 path = unit_dbus_path_from_name(*name);
5916 if (!path)
5917 return log_oom();
5918
5919 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5920 if (r < 0)
5921 return r;
5922 if (r > 0 && ret == 0)
5923 ret = r;
5924 }
5925 }
5926 }
5927
5928 if (ellipsized && !arg_quiet)
5929 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5930
5931 return ret;
5932 }
5933
5934 static int cat(int argc, char *argv[], void *userdata) {
5935 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5936 _cleanup_strv_free_ char **names = NULL;
5937 char **name;
5938 sd_bus *bus;
5939 bool first = true;
5940 int r;
5941
5942 /* Include all units by default — i.e. continue as if the --all
5943 * option was used */
5944 if (strv_isempty(arg_states))
5945 arg_all = true;
5946
5947 if (arg_transport != BUS_TRANSPORT_LOCAL)
5948 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5949
5950 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5951 if (r < 0)
5952 return log_error_errno(r, "Failed to determine unit paths: %m");
5953
5954 r = acquire_bus(BUS_MANAGER, &bus);
5955 if (r < 0)
5956 return r;
5957
5958 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
5959 if (r < 0)
5960 return log_error_errno(r, "Failed to expand names: %m");
5961
5962 (void) pager_open(arg_pager_flags);
5963
5964 STRV_FOREACH(name, names) {
5965 _cleanup_free_ char *fragment_path = NULL;
5966 _cleanup_strv_free_ char **dropin_paths = NULL;
5967
5968 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5969 if (r == -ERFKILL) {
5970 printf("%s# Unit %s is masked%s.\n",
5971 ansi_highlight_magenta(),
5972 *name,
5973 ansi_normal());
5974 continue;
5975 }
5976 if (r == -EKEYREJECTED) {
5977 printf("%s# Unit %s could not be loaded.%s\n",
5978 ansi_highlight_magenta(),
5979 *name,
5980 ansi_normal());
5981 continue;
5982 }
5983 if (r < 0)
5984 return r;
5985 if (r == 0)
5986 return -ENOENT;
5987
5988 if (first)
5989 first = false;
5990 else
5991 puts("");
5992
5993 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5994 fprintf(stderr,
5995 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5996 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5997 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5998 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5999 ansi_highlight_red(),
6000 *name,
6001 ansi_highlight_red(),
6002 ansi_highlight_red(),
6003 ansi_highlight_red(),
6004 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
6005 ansi_normal());
6006
6007 r = cat_files(fragment_path, dropin_paths, 0);
6008 if (r < 0)
6009 return r;
6010 }
6011
6012 return 0;
6013 }
6014
6015 static int set_property(int argc, char *argv[], void *userdata) {
6016 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6017 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6018 _cleanup_free_ char *n = NULL;
6019 UnitType t;
6020 sd_bus *bus;
6021 int r;
6022
6023 r = acquire_bus(BUS_MANAGER, &bus);
6024 if (r < 0)
6025 return r;
6026
6027 polkit_agent_open_maybe();
6028
6029 r = sd_bus_message_new_method_call(
6030 bus,
6031 &m,
6032 "org.freedesktop.systemd1",
6033 "/org/freedesktop/systemd1",
6034 "org.freedesktop.systemd1.Manager",
6035 "SetUnitProperties");
6036 if (r < 0)
6037 return bus_log_create_error(r);
6038
6039 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
6040 if (r < 0)
6041 return log_error_errno(r, "Failed to mangle unit name: %m");
6042
6043 t = unit_name_to_type(n);
6044 if (t < 0)
6045 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
6046
6047 r = sd_bus_message_append(m, "sb", n, arg_runtime);
6048 if (r < 0)
6049 return bus_log_create_error(r);
6050
6051 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
6052 if (r < 0)
6053 return bus_log_create_error(r);
6054
6055 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
6056 if (r < 0)
6057 return r;
6058
6059 r = sd_bus_message_close_container(m);
6060 if (r < 0)
6061 return bus_log_create_error(r);
6062
6063 r = sd_bus_call(bus, m, 0, &error, NULL);
6064 if (r < 0)
6065 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
6066
6067 return 0;
6068 }
6069
6070 static int daemon_reload(int argc, char *argv[], void *userdata) {
6071 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6072 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6073 const char *method;
6074 sd_bus *bus;
6075 int r;
6076
6077 r = acquire_bus(BUS_MANAGER, &bus);
6078 if (r < 0)
6079 return r;
6080
6081 polkit_agent_open_maybe();
6082
6083 switch (arg_action) {
6084
6085 case ACTION_RELOAD:
6086 method = "Reload";
6087 break;
6088
6089 case ACTION_REEXEC:
6090 method = "Reexecute";
6091 break;
6092
6093 case ACTION_SYSTEMCTL:
6094 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6095 /* "daemon-reload" */ "Reload";
6096 break;
6097
6098 default:
6099 assert_not_reached("Unexpected action");
6100 }
6101
6102 r = sd_bus_message_new_method_call(
6103 bus,
6104 &m,
6105 "org.freedesktop.systemd1",
6106 "/org/freedesktop/systemd1",
6107 "org.freedesktop.systemd1.Manager",
6108 method);
6109 if (r < 0)
6110 return bus_log_create_error(r);
6111
6112 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6113 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6114 * their timeout, and for everything else there's the same time budget in place. */
6115
6116 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6117
6118 /* On reexecution, we expect a disconnect, not a reply */
6119 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6120 r = 0;
6121
6122 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6123 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6124
6125 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6126 * old ways of doing things, hence don't log any error in that case here. */
6127
6128 return r < 0 ? r : 0;
6129 }
6130
6131 static int trivial_method(int argc, char *argv[], void *userdata) {
6132 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6133 const char *method;
6134 sd_bus *bus;
6135 int r;
6136
6137 if (arg_dry_run)
6138 return 0;
6139
6140 r = acquire_bus(BUS_MANAGER, &bus);
6141 if (r < 0)
6142 return r;
6143
6144 polkit_agent_open_maybe();
6145
6146 method =
6147 streq(argv[0], "clear-jobs") ||
6148 streq(argv[0], "cancel") ? "ClearJobs" :
6149 streq(argv[0], "reset-failed") ? "ResetFailed" :
6150 streq(argv[0], "halt") ? "Halt" :
6151 streq(argv[0], "reboot") ? "Reboot" :
6152 streq(argv[0], "kexec") ? "KExec" :
6153 streq(argv[0], "exit") ? "Exit" :
6154 /* poweroff */ "PowerOff";
6155
6156 r = sd_bus_call_method(
6157 bus,
6158 "org.freedesktop.systemd1",
6159 "/org/freedesktop/systemd1",
6160 "org.freedesktop.systemd1.Manager",
6161 method,
6162 &error,
6163 NULL,
6164 NULL);
6165 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6166 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6167
6168 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6169 * old ways of doing things, hence don't log any error in that case here. */
6170
6171 return r < 0 ? r : 0;
6172 }
6173
6174 static int reset_failed(int argc, char *argv[], void *userdata) {
6175 _cleanup_strv_free_ char **names = NULL;
6176 sd_bus *bus;
6177 char **name;
6178 int r, q;
6179
6180 if (argc <= 1)
6181 return trivial_method(argc, argv, userdata);
6182
6183 r = acquire_bus(BUS_MANAGER, &bus);
6184 if (r < 0)
6185 return r;
6186
6187 polkit_agent_open_maybe();
6188
6189 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
6190 if (r < 0)
6191 return log_error_errno(r, "Failed to expand names: %m");
6192
6193 STRV_FOREACH(name, names) {
6194 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6195
6196 q = sd_bus_call_method(
6197 bus,
6198 "org.freedesktop.systemd1",
6199 "/org/freedesktop/systemd1",
6200 "org.freedesktop.systemd1.Manager",
6201 "ResetFailedUnit",
6202 &error,
6203 NULL,
6204 "s", *name);
6205 if (q < 0) {
6206 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6207 if (r == 0)
6208 r = q;
6209 }
6210 }
6211
6212 return r;
6213 }
6214
6215 static int print_variable(const char *s) {
6216 const char *sep;
6217 _cleanup_free_ char *esc = NULL;
6218
6219 sep = strchr(s, '=');
6220 if (!sep)
6221 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6222 "Invalid environment block");
6223
6224 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6225 if (!esc)
6226 return log_oom();
6227
6228 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6229 return 0;
6230 }
6231
6232 static int show_environment(int argc, char *argv[], void *userdata) {
6233 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6234 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6235 const char *text;
6236 sd_bus *bus;
6237 int r;
6238
6239 r = acquire_bus(BUS_MANAGER, &bus);
6240 if (r < 0)
6241 return r;
6242
6243 (void) pager_open(arg_pager_flags);
6244
6245 r = sd_bus_get_property(
6246 bus,
6247 "org.freedesktop.systemd1",
6248 "/org/freedesktop/systemd1",
6249 "org.freedesktop.systemd1.Manager",
6250 "Environment",
6251 &error,
6252 &reply,
6253 "as");
6254 if (r < 0)
6255 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6256
6257 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6258 if (r < 0)
6259 return bus_log_parse_error(r);
6260
6261 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6262 r = print_variable(text);
6263 if (r < 0)
6264 return r;
6265 }
6266 if (r < 0)
6267 return bus_log_parse_error(r);
6268
6269 r = sd_bus_message_exit_container(reply);
6270 if (r < 0)
6271 return bus_log_parse_error(r);
6272
6273 return 0;
6274 }
6275
6276 static int switch_root(int argc, char *argv[], void *userdata) {
6277 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6278 _cleanup_free_ char *cmdline_init = NULL;
6279 const char *root, *init;
6280 sd_bus *bus;
6281 int r;
6282
6283 if (arg_transport != BUS_TRANSPORT_LOCAL)
6284 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6285
6286 if (argc < 2 || argc > 3)
6287 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6288
6289 root = argv[1];
6290
6291 if (argc >= 3)
6292 init = argv[2];
6293 else {
6294 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6295 if (r < 0)
6296 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6297
6298 init = cmdline_init;
6299 }
6300
6301 init = empty_to_null(init);
6302 if (init) {
6303 const char *root_systemd_path = NULL, *root_init_path = NULL;
6304
6305 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6306 root_init_path = prefix_roota(root, init);
6307
6308 /* If the passed init is actually the same as the
6309 * systemd binary, then let's suppress it. */
6310 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6311 init = NULL;
6312 }
6313
6314 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6315 * would exit with a failure status even though the switch to the new root has succeed. */
6316 assert(saved_argv);
6317 assert(saved_argv[0]);
6318 saved_argv[0][0] = '@';
6319
6320 r = acquire_bus(BUS_MANAGER, &bus);
6321 if (r < 0)
6322 return r;
6323
6324 /* If we are slow to exit after the root switch, the new systemd instance
6325 * will send us a signal to terminate. Just ignore it and exit normally.
6326 * This way the unit does not end up as failed.
6327 */
6328 r = ignore_signals(SIGTERM, -1);
6329 if (r < 0)
6330 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6331
6332 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6333
6334 r = sd_bus_call_method(
6335 bus,
6336 "org.freedesktop.systemd1",
6337 "/org/freedesktop/systemd1",
6338 "org.freedesktop.systemd1.Manager",
6339 "SwitchRoot",
6340 &error,
6341 NULL,
6342 "ss", root, init);
6343 if (r < 0) {
6344 (void) default_signals(SIGTERM, -1);
6345
6346 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6347 }
6348
6349 return 0;
6350 }
6351
6352 static int set_environment(int argc, char *argv[], void *userdata) {
6353 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6354 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6355 const char *method;
6356 sd_bus *bus;
6357 int r;
6358
6359 assert(argc > 1);
6360 assert(argv);
6361
6362 r = acquire_bus(BUS_MANAGER, &bus);
6363 if (r < 0)
6364 return r;
6365
6366 polkit_agent_open_maybe();
6367
6368 method = streq(argv[0], "set-environment")
6369 ? "SetEnvironment"
6370 : "UnsetEnvironment";
6371
6372 r = sd_bus_message_new_method_call(
6373 bus,
6374 &m,
6375 "org.freedesktop.systemd1",
6376 "/org/freedesktop/systemd1",
6377 "org.freedesktop.systemd1.Manager",
6378 method);
6379 if (r < 0)
6380 return bus_log_create_error(r);
6381
6382 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6383 if (r < 0)
6384 return bus_log_create_error(r);
6385
6386 r = sd_bus_call(bus, m, 0, &error, NULL);
6387 if (r < 0)
6388 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6389
6390 return 0;
6391 }
6392
6393 static int import_environment(int argc, char *argv[], void *userdata) {
6394 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6395 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6396 sd_bus *bus;
6397 int r;
6398
6399 r = acquire_bus(BUS_MANAGER, &bus);
6400 if (r < 0)
6401 return r;
6402
6403 polkit_agent_open_maybe();
6404
6405 r = sd_bus_message_new_method_call(
6406 bus,
6407 &m,
6408 "org.freedesktop.systemd1",
6409 "/org/freedesktop/systemd1",
6410 "org.freedesktop.systemd1.Manager",
6411 "SetEnvironment");
6412 if (r < 0)
6413 return bus_log_create_error(r);
6414
6415 if (argc < 2)
6416 r = sd_bus_message_append_strv(m, environ);
6417 else {
6418 char **a, **b;
6419
6420 r = sd_bus_message_open_container(m, 'a', "s");
6421 if (r < 0)
6422 return bus_log_create_error(r);
6423
6424 STRV_FOREACH(a, strv_skip(argv, 1)) {
6425
6426 if (!env_name_is_valid(*a))
6427 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6428
6429 STRV_FOREACH(b, environ) {
6430 const char *eq;
6431
6432 eq = startswith(*b, *a);
6433 if (eq && *eq == '=') {
6434
6435 r = sd_bus_message_append(m, "s", *b);
6436 if (r < 0)
6437 return bus_log_create_error(r);
6438
6439 break;
6440 }
6441 }
6442 }
6443
6444 r = sd_bus_message_close_container(m);
6445 }
6446 if (r < 0)
6447 return bus_log_create_error(r);
6448
6449 r = sd_bus_call(bus, m, 0, &error, NULL);
6450 if (r < 0)
6451 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6452
6453 return 0;
6454 }
6455
6456 static int enable_sysv_units(const char *verb, char **args) {
6457 int r = 0;
6458
6459 #if HAVE_SYSV_COMPAT
6460 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6461 unsigned f = 0;
6462
6463 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6464
6465 if (arg_scope != UNIT_FILE_SYSTEM)
6466 return 0;
6467
6468 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6469 return 0;
6470
6471 if (!STR_IN_SET(verb,
6472 "enable",
6473 "disable",
6474 "is-enabled"))
6475 return 0;
6476
6477 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6478 if (r < 0)
6479 return r;
6480
6481 r = 0;
6482 while (args[f]) {
6483
6484 const char *argv[] = {
6485 ROOTLIBEXECDIR "/systemd-sysv-install",
6486 NULL, /* --root= */
6487 NULL, /* verb */
6488 NULL, /* service */
6489 NULL,
6490 };
6491
6492 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6493 bool found_native = false, found_sysv;
6494 const char *name;
6495 unsigned c = 1;
6496 pid_t pid;
6497 int j;
6498
6499 name = args[f++];
6500
6501 if (!endswith(name, ".service"))
6502 continue;
6503
6504 if (path_is_absolute(name))
6505 continue;
6506
6507 j = unit_file_exists(arg_scope, &paths, name);
6508 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6509 return log_error_errno(j, "Failed to lookup unit file state: %m");
6510 found_native = j != 0;
6511
6512 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6513 * prefer the native unit */
6514 if (found_native && streq(verb, "is-enabled"))
6515 continue;
6516
6517 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6518 if (!p)
6519 return log_oom();
6520
6521 p[strlen(p) - STRLEN(".service")] = 0;
6522 found_sysv = access(p, F_OK) >= 0;
6523 if (!found_sysv)
6524 continue;
6525
6526 if (!arg_quiet) {
6527 if (found_native)
6528 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6529 else
6530 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6531 }
6532
6533 if (!isempty(arg_root)) {
6534 q = strjoin("--root=", arg_root);
6535 if (!q)
6536 return log_oom();
6537
6538 argv[c++] = q;
6539 }
6540
6541 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6542 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6543 v = strdup(verb);
6544 if (!v)
6545 return log_oom();
6546
6547 argv[c++] = v;
6548 argv[c++] = basename(p);
6549 argv[c] = NULL;
6550
6551 l = strv_join((char**)argv, " ");
6552 if (!l)
6553 return log_oom();
6554
6555 if (!arg_quiet)
6556 log_info("Executing: %s", l);
6557
6558 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6559 if (j < 0)
6560 return j;
6561 if (j == 0) {
6562 /* Child */
6563 execv(argv[0], (char**) argv);
6564 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6565 _exit(EXIT_FAILURE);
6566 }
6567
6568 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6569 if (j < 0)
6570 return j;
6571 if (streq(verb, "is-enabled")) {
6572 if (j == EXIT_SUCCESS) {
6573 if (!arg_quiet)
6574 puts("enabled");
6575 r = 1;
6576 } else {
6577 if (!arg_quiet)
6578 puts("disabled");
6579 }
6580
6581 } else if (j != EXIT_SUCCESS)
6582 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6583
6584 if (found_native)
6585 continue;
6586
6587 /* Remove this entry, so that we don't try enabling it as native unit */
6588 assert(f > 0);
6589 f--;
6590 assert(args[f] == name);
6591 strv_remove(args + f, name);
6592 }
6593
6594 #endif
6595 return r;
6596 }
6597
6598 static int mangle_names(const char *operation, char **original_names, char ***mangled_names) {
6599 char **i, **l, **name;
6600 int r;
6601
6602 l = i = new(char*, strv_length(original_names) + 1);
6603 if (!l)
6604 return log_oom();
6605
6606 STRV_FOREACH(name, original_names) {
6607
6608 /* When enabling units qualified path names are OK,
6609 * too, hence allow them explicitly. */
6610
6611 if (is_path(*name)) {
6612 *i = strdup(*name);
6613 if (!*i) {
6614 strv_free(l);
6615 return log_oom();
6616 }
6617 } else {
6618 r = unit_name_mangle_with_suffix(*name, operation,
6619 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
6620 ".service", i);
6621 if (r < 0) {
6622 *i = NULL;
6623 strv_free(l);
6624 return log_error_errno(r, "Failed to mangle unit name: %m");
6625 }
6626 }
6627
6628 i++;
6629 }
6630
6631 *i = NULL;
6632 *mangled_names = l;
6633
6634 return 0;
6635 }
6636
6637 static int normalize_filenames(char **names) {
6638 char **u;
6639 int r;
6640
6641 STRV_FOREACH(u, names)
6642 if (!path_is_absolute(*u)) {
6643 char* normalized_path;
6644
6645 if (!isempty(arg_root))
6646 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6647 "Non-absolute paths are not allowed when --root is used: %s",
6648 *u);
6649
6650 if (!strchr(*u,'/'))
6651 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6652 "Link argument does contain at least one directory separator: %s",
6653 *u);
6654
6655 r = path_make_absolute_cwd(*u, &normalized_path);
6656 if (r < 0)
6657 return r;
6658
6659 free_and_replace(*u, normalized_path);
6660 }
6661
6662 return 0;
6663 }
6664
6665 static int normalize_names(char **names, bool warn_if_path) {
6666 char **u;
6667 bool was_path = false;
6668
6669 STRV_FOREACH(u, names) {
6670 int r;
6671
6672 if (!is_path(*u))
6673 continue;
6674
6675 r = free_and_strdup(u, basename(*u));
6676 if (r < 0)
6677 return log_error_errno(r, "Failed to normalize unit file path: %m");
6678
6679 was_path = true;
6680 }
6681
6682 if (warn_if_path && was_path)
6683 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6684
6685 return 0;
6686 }
6687
6688 static int unit_exists(LookupPaths *lp, const char *unit) {
6689 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6690 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6691 _cleanup_free_ char *path = NULL;
6692 static const struct bus_properties_map property_map[] = {
6693 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6694 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6695 {},
6696 };
6697 UnitStatusInfo info = {};
6698 sd_bus *bus;
6699 int r;
6700
6701 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6702 return unit_find_template_path(unit, lp, NULL, NULL);
6703
6704 path = unit_dbus_path_from_name(unit);
6705 if (!path)
6706 return log_oom();
6707
6708 r = acquire_bus(BUS_MANAGER, &bus);
6709 if (r < 0)
6710 return r;
6711
6712 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6713 if (r < 0)
6714 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6715
6716 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6717 }
6718
6719 static int enable_unit(int argc, char *argv[], void *userdata) {
6720 _cleanup_strv_free_ char **names = NULL;
6721 const char *verb = argv[0];
6722 UnitFileChange *changes = NULL;
6723 size_t n_changes = 0;
6724 int carries_install_info = -1;
6725 bool ignore_carries_install_info = arg_quiet;
6726 int r;
6727
6728 if (!argv[1])
6729 return 0;
6730
6731 r = mangle_names("to enable", strv_skip(argv, 1), &names);
6732 if (r < 0)
6733 return r;
6734
6735 r = enable_sysv_units(verb, names);
6736 if (r < 0)
6737 return r;
6738
6739 /* If the operation was fully executed by the SysV compat, let's finish early */
6740 if (strv_isempty(names)) {
6741 if (arg_no_reload || install_client_side())
6742 return 0;
6743 return daemon_reload(argc, argv, userdata);
6744 }
6745
6746 if (streq(verb, "disable")) {
6747 r = normalize_names(names, true);
6748 if (r < 0)
6749 return r;
6750 }
6751
6752 if (streq(verb, "link")) {
6753 r = normalize_filenames(names);
6754 if (r < 0)
6755 return r;
6756 }
6757
6758 if (install_client_side()) {
6759 UnitFileFlags flags;
6760
6761 flags = args_to_flags();
6762 if (streq(verb, "enable")) {
6763 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6764 carries_install_info = r;
6765 } else if (streq(verb, "disable"))
6766 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6767 else if (streq(verb, "reenable")) {
6768 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6769 carries_install_info = r;
6770 } else if (streq(verb, "link"))
6771 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6772 else if (streq(verb, "preset")) {
6773 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6774 } else if (streq(verb, "mask"))
6775 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6776 else if (streq(verb, "unmask"))
6777 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6778 else if (streq(verb, "revert"))
6779 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6780 else
6781 assert_not_reached("Unknown verb");
6782
6783 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6784 if (r < 0)
6785 goto finish;
6786 r = 0;
6787 } else {
6788 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6789 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6790 bool expect_carries_install_info = false;
6791 bool send_runtime = true, send_force = true, send_preset_mode = false;
6792 const char *method;
6793 sd_bus *bus;
6794
6795 if (STR_IN_SET(verb, "mask", "unmask")) {
6796 char **name;
6797 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6798
6799 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6800 if (r < 0)
6801 return r;
6802
6803 STRV_FOREACH(name, names) {
6804 r = unit_exists(&lp, *name);
6805 if (r < 0)
6806 return r;
6807 if (r == 0)
6808 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6809 }
6810 }
6811
6812 r = acquire_bus(BUS_MANAGER, &bus);
6813 if (r < 0)
6814 return r;
6815
6816 polkit_agent_open_maybe();
6817
6818 if (streq(verb, "enable")) {
6819 method = "EnableUnitFiles";
6820 expect_carries_install_info = true;
6821 } else if (streq(verb, "disable")) {
6822 method = "DisableUnitFiles";
6823 send_force = false;
6824 } else if (streq(verb, "reenable")) {
6825 method = "ReenableUnitFiles";
6826 expect_carries_install_info = true;
6827 } else if (streq(verb, "link"))
6828 method = "LinkUnitFiles";
6829 else if (streq(verb, "preset")) {
6830
6831 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6832 method = "PresetUnitFilesWithMode";
6833 send_preset_mode = true;
6834 } else
6835 method = "PresetUnitFiles";
6836
6837 expect_carries_install_info = true;
6838 ignore_carries_install_info = true;
6839 } else if (streq(verb, "mask"))
6840 method = "MaskUnitFiles";
6841 else if (streq(verb, "unmask")) {
6842 method = "UnmaskUnitFiles";
6843 send_force = false;
6844 } else if (streq(verb, "revert")) {
6845 method = "RevertUnitFiles";
6846 send_runtime = send_force = false;
6847 } else
6848 assert_not_reached("Unknown verb");
6849
6850 r = sd_bus_message_new_method_call(
6851 bus,
6852 &m,
6853 "org.freedesktop.systemd1",
6854 "/org/freedesktop/systemd1",
6855 "org.freedesktop.systemd1.Manager",
6856 method);
6857 if (r < 0)
6858 return bus_log_create_error(r);
6859
6860 r = sd_bus_message_append_strv(m, names);
6861 if (r < 0)
6862 return bus_log_create_error(r);
6863
6864 if (send_preset_mode) {
6865 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6866 if (r < 0)
6867 return bus_log_create_error(r);
6868 }
6869
6870 if (send_runtime) {
6871 r = sd_bus_message_append(m, "b", arg_runtime);
6872 if (r < 0)
6873 return bus_log_create_error(r);
6874 }
6875
6876 if (send_force) {
6877 r = sd_bus_message_append(m, "b", arg_force);
6878 if (r < 0)
6879 return bus_log_create_error(r);
6880 }
6881
6882 r = sd_bus_call(bus, m, 0, &error, &reply);
6883 if (r < 0)
6884 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6885
6886 if (expect_carries_install_info) {
6887 r = sd_bus_message_read(reply, "b", &carries_install_info);
6888 if (r < 0)
6889 return bus_log_parse_error(r);
6890 }
6891
6892 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6893 if (r < 0)
6894 goto finish;
6895
6896 /* Try to reload if enabled */
6897 if (!arg_no_reload)
6898 r = daemon_reload(argc, argv, userdata);
6899 else
6900 r = 0;
6901 }
6902
6903 if (carries_install_info == 0 && !ignore_carries_install_info)
6904 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6905 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6906 "units). This means they are not meant to be enabled using systemctl.\n"
6907 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6908 "Possible reasons for having this kind of units are:\n"
6909 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6910 " .wants/ or .requires/ directory.\n"
6911 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6912 " a requirement dependency on it.\n"
6913 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6914 " D-Bus, udev, scripted systemctl call, ...).\n"
6915 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6916 " instance name specified.",
6917 special_glyph(SPECIAL_GLYPH_BULLET));
6918
6919 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6920 sd_bus *bus;
6921 size_t len, i;
6922
6923 r = acquire_bus(BUS_MANAGER, &bus);
6924 if (r < 0)
6925 goto finish;
6926
6927 len = strv_length(names);
6928 {
6929 char *new_args[len + 2];
6930
6931 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6932 for (i = 0; i < len; i++)
6933 new_args[i + 1] = basename(names[i]);
6934 new_args[i + 1] = NULL;
6935
6936 r = start_unit(len + 1, new_args, userdata);
6937 }
6938 }
6939
6940 finish:
6941 unit_file_changes_free(changes, n_changes);
6942
6943 return r;
6944 }
6945
6946 static int add_dependency(int argc, char *argv[], void *userdata) {
6947 _cleanup_strv_free_ char **names = NULL;
6948 _cleanup_free_ char *target = NULL;
6949 const char *verb = argv[0];
6950 UnitFileChange *changes = NULL;
6951 size_t n_changes = 0;
6952 UnitDependency dep;
6953 int r = 0;
6954
6955 if (!argv[1])
6956 return 0;
6957
6958 r = unit_name_mangle_with_suffix(argv[1], "as target",
6959 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
6960 ".target", &target);
6961 if (r < 0)
6962 return log_error_errno(r, "Failed to mangle unit name: %m");
6963
6964 r = mangle_names("as dependency", strv_skip(argv, 2), &names);
6965 if (r < 0)
6966 return r;
6967
6968 if (streq(verb, "add-wants"))
6969 dep = UNIT_WANTS;
6970 else if (streq(verb, "add-requires"))
6971 dep = UNIT_REQUIRES;
6972 else
6973 assert_not_reached("Unknown verb");
6974
6975 if (install_client_side()) {
6976 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6977 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6978
6979 if (r > 0)
6980 r = 0;
6981 } else {
6982 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6983 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_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_message_new_method_call(
6993 bus,
6994 &m,
6995 "org.freedesktop.systemd1",
6996 "/org/freedesktop/systemd1",
6997 "org.freedesktop.systemd1.Manager",
6998 "AddDependencyUnitFiles");
6999 if (r < 0)
7000 return bus_log_create_error(r);
7001
7002 r = sd_bus_message_append_strv(m, names);
7003 if (r < 0)
7004 return bus_log_create_error(r);
7005
7006 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
7007 if (r < 0)
7008 return bus_log_create_error(r);
7009
7010 r = sd_bus_call(bus, m, 0, &error, &reply);
7011 if (r < 0)
7012 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
7013
7014 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7015 if (r < 0)
7016 goto finish;
7017
7018 if (arg_no_reload) {
7019 r = 0;
7020 goto finish;
7021 }
7022
7023 r = daemon_reload(argc, argv, userdata);
7024 }
7025
7026 finish:
7027 unit_file_changes_free(changes, n_changes);
7028
7029 return r;
7030 }
7031
7032 static int preset_all(int argc, char *argv[], void *userdata) {
7033 UnitFileChange *changes = NULL;
7034 size_t n_changes = 0;
7035 int r;
7036
7037 if (install_client_side()) {
7038 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
7039 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
7040
7041 if (r > 0)
7042 r = 0;
7043 } else {
7044 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7045 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7046 sd_bus *bus;
7047
7048 r = acquire_bus(BUS_MANAGER, &bus);
7049 if (r < 0)
7050 return r;
7051
7052 polkit_agent_open_maybe();
7053
7054 r = sd_bus_call_method(
7055 bus,
7056 "org.freedesktop.systemd1",
7057 "/org/freedesktop/systemd1",
7058 "org.freedesktop.systemd1.Manager",
7059 "PresetAllUnitFiles",
7060 &error,
7061 &reply,
7062 "sbb",
7063 unit_file_preset_mode_to_string(arg_preset_mode),
7064 arg_runtime,
7065 arg_force);
7066 if (r < 0)
7067 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
7068
7069 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7070 if (r < 0)
7071 goto finish;
7072
7073 if (arg_no_reload) {
7074 r = 0;
7075 goto finish;
7076 }
7077
7078 r = daemon_reload(argc, argv, userdata);
7079 }
7080
7081 finish:
7082 unit_file_changes_free(changes, n_changes);
7083
7084 return r;
7085 }
7086
7087 static int show_installation_targets_client_side(const char *name) {
7088 UnitFileChange *changes = NULL;
7089 size_t n_changes = 0, i;
7090 UnitFileFlags flags;
7091 char **p;
7092 int r;
7093
7094 p = STRV_MAKE(name);
7095 flags = UNIT_FILE_DRY_RUN |
7096 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7097
7098 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7099 if (r < 0)
7100 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7101
7102 for (i = 0; i < n_changes; i++)
7103 if (changes[i].type == UNIT_FILE_UNLINK)
7104 printf(" %s\n", changes[i].path);
7105
7106 return 0;
7107 }
7108
7109 static int show_installation_targets(sd_bus *bus, const char *name) {
7110 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7111 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7112 const char *link;
7113 int r;
7114
7115 r = sd_bus_call_method(
7116 bus,
7117 "org.freedesktop.systemd1",
7118 "/org/freedesktop/systemd1",
7119 "org.freedesktop.systemd1.Manager",
7120 "GetUnitFileLinks",
7121 &error,
7122 &reply,
7123 "sb", name, arg_runtime);
7124 if (r < 0)
7125 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7126
7127 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7128 if (r < 0)
7129 return bus_log_parse_error(r);
7130
7131 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7132 printf(" %s\n", link);
7133
7134 if (r < 0)
7135 return bus_log_parse_error(r);
7136
7137 r = sd_bus_message_exit_container(reply);
7138 if (r < 0)
7139 return bus_log_parse_error(r);
7140
7141 return 0;
7142 }
7143
7144 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7145 _cleanup_strv_free_ char **names = NULL;
7146 bool enabled;
7147 char **name;
7148 int r;
7149
7150 r = mangle_names("to check", strv_skip(argv, 1), &names);
7151 if (r < 0)
7152 return r;
7153
7154 r = enable_sysv_units(argv[0], names);
7155 if (r < 0)
7156 return r;
7157
7158 enabled = r > 0;
7159
7160 if (install_client_side()) {
7161 STRV_FOREACH(name, names) {
7162 UnitFileState state;
7163
7164 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7165 if (r < 0)
7166 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7167
7168 if (IN_SET(state,
7169 UNIT_FILE_ENABLED,
7170 UNIT_FILE_ENABLED_RUNTIME,
7171 UNIT_FILE_STATIC,
7172 UNIT_FILE_INDIRECT,
7173 UNIT_FILE_GENERATED))
7174 enabled = true;
7175
7176 if (!arg_quiet) {
7177 puts(unit_file_state_to_string(state));
7178 if (arg_full) {
7179 r = show_installation_targets_client_side(*name);
7180 if (r < 0)
7181 return r;
7182 }
7183 }
7184 }
7185
7186 r = 0;
7187 } else {
7188 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7189 sd_bus *bus;
7190
7191 r = acquire_bus(BUS_MANAGER, &bus);
7192 if (r < 0)
7193 return r;
7194
7195 STRV_FOREACH(name, names) {
7196 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7197 const char *s;
7198
7199 r = sd_bus_call_method(
7200 bus,
7201 "org.freedesktop.systemd1",
7202 "/org/freedesktop/systemd1",
7203 "org.freedesktop.systemd1.Manager",
7204 "GetUnitFileState",
7205 &error,
7206 &reply,
7207 "s", *name);
7208 if (r < 0)
7209 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7210
7211 r = sd_bus_message_read(reply, "s", &s);
7212 if (r < 0)
7213 return bus_log_parse_error(r);
7214
7215 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7216 enabled = true;
7217
7218 if (!arg_quiet) {
7219 puts(s);
7220 if (arg_full) {
7221 r = show_installation_targets(bus, *name);
7222 if (r < 0)
7223 return r;
7224 }
7225 }
7226 }
7227 }
7228
7229 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7230 }
7231
7232 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7233 char **state = userdata;
7234 int r;
7235
7236 assert(state);
7237
7238 r = sd_bus_get_property_string(
7239 sd_bus_message_get_bus(m),
7240 "org.freedesktop.systemd1",
7241 "/org/freedesktop/systemd1",
7242 "org.freedesktop.systemd1.Manager",
7243 "SystemState",
7244 NULL,
7245 state);
7246
7247 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7248 return 0;
7249 }
7250
7251 static int is_system_running(int argc, char *argv[], void *userdata) {
7252 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7253 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7254 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7255 _cleanup_free_ char *state = NULL;
7256 sd_bus *bus;
7257 int r;
7258
7259 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7260 if (!arg_quiet)
7261 puts("offline");
7262 return EXIT_FAILURE;
7263 }
7264
7265 r = acquire_bus(BUS_MANAGER, &bus);
7266 if (r < 0)
7267 return r;
7268
7269 if (arg_wait) {
7270 r = sd_event_default(&event);
7271 if (r >= 0)
7272 r = sd_bus_attach_event(bus, event, 0);
7273 if (r >= 0)
7274 r = sd_bus_match_signal_async(
7275 bus,
7276 &slot_startup_finished,
7277 "org.freedesktop.systemd1",
7278 "/org/freedesktop/systemd1",
7279 "org.freedesktop.systemd1.Manager",
7280 "StartupFinished",
7281 match_startup_finished, NULL, &state);
7282 if (r < 0) {
7283 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7284 arg_wait = false;
7285 }
7286 }
7287
7288 r = sd_bus_get_property_string(
7289 bus,
7290 "org.freedesktop.systemd1",
7291 "/org/freedesktop/systemd1",
7292 "org.freedesktop.systemd1.Manager",
7293 "SystemState",
7294 &error,
7295 &state);
7296 if (r < 0) {
7297 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7298
7299 if (!arg_quiet)
7300 puts("unknown");
7301 return EXIT_FAILURE;
7302 }
7303
7304 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7305 r = sd_event_loop(event);
7306 if (r < 0) {
7307 log_warning_errno(r, "Failed to get property from event loop: %m");
7308 if (!arg_quiet)
7309 puts("unknown");
7310 return EXIT_FAILURE;
7311 }
7312 }
7313
7314 if (!arg_quiet)
7315 puts(state);
7316
7317 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7318 }
7319
7320 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7321 _cleanup_free_ char *t = NULL;
7322 int r;
7323
7324 assert(new_path);
7325 assert(original_path);
7326 assert(ret_tmp_fn);
7327
7328 r = tempfn_random(new_path, NULL, &t);
7329 if (r < 0)
7330 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7331
7332 r = mkdir_parents(new_path, 0755);
7333 if (r < 0)
7334 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7335
7336 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7337 if (r == -ENOENT) {
7338
7339 r = touch(t);
7340 if (r < 0)
7341 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7342
7343 } else if (r < 0)
7344 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7345
7346 *ret_tmp_fn = TAKE_PTR(t);
7347
7348 return 0;
7349 }
7350
7351 static int get_file_to_edit(
7352 const LookupPaths *paths,
7353 const char *name,
7354 char **ret_path) {
7355
7356 _cleanup_free_ char *path = NULL, *run = NULL;
7357
7358 assert(name);
7359 assert(ret_path);
7360
7361 path = path_join(paths->persistent_config, name);
7362 if (!path)
7363 return log_oom();
7364
7365 if (arg_runtime) {
7366 run = path_join(paths->runtime_config, name);
7367 if (!run)
7368 return log_oom();
7369 }
7370
7371 if (arg_runtime) {
7372 if (access(path, F_OK) >= 0)
7373 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7374 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7375 run, path);
7376
7377 *ret_path = TAKE_PTR(run);
7378 } else
7379 *ret_path = TAKE_PTR(path);
7380
7381 return 0;
7382 }
7383
7384 static int unit_file_create_new(
7385 const LookupPaths *paths,
7386 const char *unit_name,
7387 const char *suffix,
7388 char **ret_new_path,
7389 char **ret_tmp_path) {
7390
7391 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7392 const char *ending;
7393 int r;
7394
7395 assert(unit_name);
7396 assert(ret_new_path);
7397 assert(ret_tmp_path);
7398
7399 ending = strjoina(unit_name, suffix);
7400 r = get_file_to_edit(paths, ending, &new_path);
7401 if (r < 0)
7402 return r;
7403
7404 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7405 if (r < 0)
7406 return r;
7407
7408 *ret_new_path = TAKE_PTR(new_path);
7409 *ret_tmp_path = TAKE_PTR(tmp_path);
7410
7411 return 0;
7412 }
7413
7414 static int unit_file_create_copy(
7415 const LookupPaths *paths,
7416 const char *unit_name,
7417 const char *fragment_path,
7418 char **ret_new_path,
7419 char **ret_tmp_path) {
7420
7421 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7422 int r;
7423
7424 assert(fragment_path);
7425 assert(unit_name);
7426 assert(ret_new_path);
7427 assert(ret_tmp_path);
7428
7429 r = get_file_to_edit(paths, unit_name, &new_path);
7430 if (r < 0)
7431 return r;
7432
7433 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7434 char response;
7435
7436 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7437 if (r < 0)
7438 return r;
7439 if (response != 'y')
7440 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7441 }
7442
7443 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7444 if (r < 0)
7445 return r;
7446
7447 *ret_new_path = TAKE_PTR(new_path);
7448 *ret_tmp_path = TAKE_PTR(tmp_path);
7449
7450 return 0;
7451 }
7452
7453 static int run_editor(char **paths) {
7454 int r;
7455
7456 assert(paths);
7457
7458 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7459 if (r < 0)
7460 return r;
7461 if (r == 0) {
7462 char **editor_args = NULL, **tmp_path, **original_path;
7463 size_t n_editor_args = 0, i = 1, argc;
7464 const char **args, *editor, *p;
7465
7466 argc = strv_length(paths)/2 + 1;
7467
7468 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7469 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7470 * we try to execute well known editors
7471 */
7472 editor = getenv("SYSTEMD_EDITOR");
7473 if (!editor)
7474 editor = getenv("EDITOR");
7475 if (!editor)
7476 editor = getenv("VISUAL");
7477
7478 if (!isempty(editor)) {
7479 editor_args = strv_split(editor, WHITESPACE);
7480 if (!editor_args) {
7481 (void) log_oom();
7482 _exit(EXIT_FAILURE);
7483 }
7484 n_editor_args = strv_length(editor_args);
7485 argc += n_editor_args - 1;
7486 }
7487
7488 args = newa(const char*, argc + 1);
7489
7490 if (n_editor_args > 0) {
7491 args[0] = editor_args[0];
7492 for (; i < n_editor_args; i++)
7493 args[i] = editor_args[i];
7494 }
7495
7496 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7497 args[i++] = *tmp_path;
7498 args[i] = NULL;
7499
7500 if (n_editor_args > 0)
7501 execvp(args[0], (char* const*) args);
7502
7503 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7504 args[0] = p;
7505 execvp(p, (char* const*) args);
7506 /* We do not fail if the editor doesn't exist
7507 * because we want to try each one of them before
7508 * failing.
7509 */
7510 if (errno != ENOENT) {
7511 log_error_errno(errno, "Failed to execute %s: %m", editor);
7512 _exit(EXIT_FAILURE);
7513 }
7514 }
7515
7516 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7517 _exit(EXIT_FAILURE);
7518 }
7519
7520 return 0;
7521 }
7522
7523 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7524 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7525 char **name;
7526 int r;
7527
7528 assert(names);
7529 assert(paths);
7530
7531 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7532 if (r < 0)
7533 return r;
7534
7535 STRV_FOREACH(name, names) {
7536 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7537 const char *unit_name;
7538
7539 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7540 if (r == -EKEYREJECTED) {
7541 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7542 * file path. In that case, find the file client side. */
7543 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7544 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7545 }
7546 if (r == -ERFKILL)
7547 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7548 if (r < 0)
7549 return r;
7550
7551 if (r == 0) {
7552 assert(!path);
7553
7554 if (!arg_force) {
7555 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7556 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7557 arg_scope == UNIT_FILE_USER ? " --user" : "",
7558 *name);
7559 return -ENOENT;
7560 }
7561
7562 /* Create a new unit from scratch */
7563 unit_name = *name;
7564 r = unit_file_create_new(&lp, unit_name,
7565 arg_full ? NULL : ".d/override.conf",
7566 &new_path, &tmp_path);
7567 } else {
7568 assert(path);
7569
7570 unit_name = basename(path);
7571 /* We follow unit aliases, but we need to propagate the instance */
7572 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7573 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7574 _cleanup_free_ char *instance = NULL;
7575
7576 r = unit_name_to_instance(*name, &instance);
7577 if (r < 0)
7578 return r;
7579
7580 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7581 if (r < 0)
7582 return r;
7583
7584 unit_name = tmp_name;
7585 }
7586
7587 if (arg_full)
7588 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7589 else
7590 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7591 }
7592 if (r < 0)
7593 return r;
7594
7595 r = strv_push_pair(paths, new_path, tmp_path);
7596 if (r < 0)
7597 return log_oom();
7598
7599 new_path = tmp_path = NULL;
7600 }
7601
7602 return 0;
7603 }
7604
7605 static int edit(int argc, char *argv[], void *userdata) {
7606 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7607 _cleanup_strv_free_ char **names = NULL;
7608 _cleanup_strv_free_ char **paths = NULL;
7609 char **original, **tmp;
7610 sd_bus *bus;
7611 int r;
7612
7613 if (!on_tty())
7614 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7615
7616 if (arg_transport != BUS_TRANSPORT_LOCAL)
7617 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7618
7619 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7620 if (r < 0)
7621 return log_error_errno(r, "Failed to determine unit paths: %m");
7622
7623 r = acquire_bus(BUS_MANAGER, &bus);
7624 if (r < 0)
7625 return r;
7626
7627 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
7628 if (r < 0)
7629 return log_error_errno(r, "Failed to expand names: %m");
7630
7631 STRV_FOREACH(tmp, names) {
7632 r = unit_is_masked(bus, &lp, *tmp);
7633 if (r < 0)
7634 return r;
7635 if (r > 0)
7636 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7637 }
7638
7639 r = find_paths_to_edit(bus, names, &paths);
7640 if (r < 0)
7641 return r;
7642
7643 if (strv_isempty(paths))
7644 return -ENOENT;
7645
7646 r = run_editor(paths);
7647 if (r < 0)
7648 goto end;
7649
7650 STRV_FOREACH_PAIR(original, tmp, paths) {
7651 /* If the temporary file is empty we ignore it.
7652 * This allows the user to cancel the modification.
7653 */
7654 if (null_or_empty_path(*tmp)) {
7655 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7656 continue;
7657 }
7658
7659 r = rename(*tmp, *original);
7660 if (r < 0) {
7661 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7662 goto end;
7663 }
7664 }
7665
7666 r = 0;
7667
7668 if (!arg_no_reload && !install_client_side())
7669 r = daemon_reload(argc, argv, userdata);
7670
7671 end:
7672 STRV_FOREACH_PAIR(original, tmp, paths) {
7673 (void) unlink(*tmp);
7674
7675 /* Removing empty dropin dirs */
7676 if (!arg_full) {
7677 _cleanup_free_ char *dir;
7678
7679 dir = dirname_malloc(*original);
7680 if (!dir)
7681 return log_oom();
7682
7683 /* no need to check if the dir is empty, rmdir
7684 * does nothing if it is not the case.
7685 */
7686 (void) rmdir(dir);
7687 }
7688 }
7689
7690 return r;
7691 }
7692
7693 static int systemctl_help(void) {
7694 _cleanup_free_ char *link = NULL;
7695 int r;
7696
7697 (void) pager_open(arg_pager_flags);
7698
7699 r = terminal_urlify_man("systemctl", "1", &link);
7700 if (r < 0)
7701 return log_oom();
7702
7703 printf("%5$s%1$s [OPTIONS...] {COMMAND} ...\n\n"
7704 "Query or send control commands to the systemd manager.%6$s\n\n"
7705 "%3$sUnit Commands:%4$s\n"
7706 " list-units [PATTERN...] List units currently in memory\n"
7707 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7708 " ordered by address\n"
7709 " list-timers [PATTERN...] List timer units currently in memory,\n"
7710 " ordered by next elapse\n"
7711 " start UNIT... Start (activate) one or more units\n"
7712 " stop UNIT... Stop (deactivate) one or more units\n"
7713 " reload UNIT... Reload one or more units\n"
7714 " restart UNIT... Start or restart one or more units\n"
7715 " try-restart UNIT... Restart one or more units if active\n"
7716 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7717 " otherwise start or restart\n"
7718 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7719 " if supported, otherwise restart\n"
7720 " isolate UNIT Start one unit and stop all others\n"
7721 " kill UNIT... Send signal to processes of a unit\n"
7722 " clean UNIT... Clean runtime, cache, state, logs or\n"
7723 " or configuration of unit\n"
7724 " is-active PATTERN... Check whether units are active\n"
7725 " is-failed PATTERN... Check whether units are failed\n"
7726 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7727 " show [PATTERN...|JOB...] Show properties of one or more\n"
7728 " units/jobs or the manager\n"
7729 " cat PATTERN... Show files and drop-ins of specified units\n"
7730 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7731 " help PATTERN...|PID... Show manual for one or more units\n"
7732 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7733 " units\n"
7734 " list-dependencies [UNIT] Recursively show units which are required\n"
7735 " or wanted by this unit or by which this\n"
7736 " unit is required or wanted\n\n"
7737 "%3$sUnit File Commands:%4$s\n"
7738 " list-unit-files [PATTERN...] List installed unit files\n"
7739 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7740 " disable UNIT... Disable one or more unit files\n"
7741 " reenable UNIT... Reenable one or more unit files\n"
7742 " preset UNIT... Enable/disable one or more unit files\n"
7743 " based on preset configuration\n"
7744 " preset-all Enable/disable all unit files based on\n"
7745 " preset configuration\n"
7746 " is-enabled UNIT... Check whether unit files are enabled\n"
7747 " mask UNIT... Mask one or more units\n"
7748 " unmask UNIT... Unmask one or more units\n"
7749 " link PATH... Link one or more units files into\n"
7750 " the search path\n"
7751 " revert UNIT... Revert one or more unit files to vendor\n"
7752 " version\n"
7753 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7754 " on specified one or more units\n"
7755 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7756 " on specified one or more units\n"
7757 " edit UNIT... Edit one or more unit files\n"
7758 " get-default Get the name of the default target\n"
7759 " set-default TARGET Set the default target\n\n"
7760 "%3$sMachine Commands:%4$s\n"
7761 " list-machines [PATTERN...] List local containers and host\n\n"
7762 "%3$sJob Commands:%4$s\n"
7763 " list-jobs [PATTERN...] List jobs\n"
7764 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7765 "%3$sEnvironment Commands:%4$s\n"
7766 " show-environment Dump environment\n"
7767 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7768 " unset-environment VARIABLE... Unset one or more environment variables\n"
7769 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7770 "%3$sManager Lifecycle Commands:%4$s\n"
7771 " daemon-reload Reload systemd manager configuration\n"
7772 " daemon-reexec Reexecute systemd manager\n\n"
7773 "%3$sSystem Commands:%4$s\n"
7774 " is-system-running Check whether system is fully running\n"
7775 " default Enter system default mode\n"
7776 " rescue Enter system rescue mode\n"
7777 " emergency Enter system emergency mode\n"
7778 " halt Shut down and halt the system\n"
7779 " poweroff Shut down and power-off the system\n"
7780 " reboot [ARG] Shut down and reboot the system\n"
7781 " kexec Shut down and reboot the system with kexec\n"
7782 " exit [EXIT_CODE] Request user instance or container exit\n"
7783 " switch-root ROOT [INIT] Change to a different root file system\n"
7784 " suspend Suspend the system\n"
7785 " hibernate Hibernate the system\n"
7786 " hybrid-sleep Hibernate and suspend the system\n"
7787 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7788 " time and put it into hibernate\n"
7789 "\nOptions\n"
7790 " -h --help Show this help\n"
7791 " --version Show package version\n"
7792 " --system Connect to system manager\n"
7793 " --user Connect to user service manager\n"
7794 " -H --host=[USER@]HOST\n"
7795 " Operate on remote host\n"
7796 " -M --machine=CONTAINER\n"
7797 " Operate on local container\n"
7798 " -t --type=TYPE List units of a particular type\n"
7799 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7800 " --failed Shorcut for --state=failed\n"
7801 " -p --property=NAME Show only properties by this name\n"
7802 " -a --all Show all properties/all units currently in memory,\n"
7803 " including dead/empty ones. To list all units installed on\n"
7804 " the system, use the 'list-unit-files' command instead.\n"
7805 " -l --full Don't ellipsize unit names on output\n"
7806 " -r --recursive Show unit list of host and local containers\n"
7807 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7808 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7809 " queueing a new job\n"
7810 " -T --show-transaction\n"
7811 " When enqueuing a unit job, show full transaction\n"
7812 " --show-types When showing sockets, explicitly show their type\n"
7813 " --value When showing properties, only print the value\n"
7814 " -i --ignore-inhibitors\n"
7815 " When shutting down or sleeping, ignore inhibitors\n"
7816 " --kill-who=WHO Who to send signal to\n"
7817 " -s --signal=SIGNAL Which signal to send\n"
7818 " --what=RESOURCES Which types of resources to remove\n"
7819 " --now Start or stop unit in addition to enabling or disabling it\n"
7820 " --dry-run Only print what would be done\n"
7821 " -q --quiet Suppress output\n"
7822 " --wait For (re)start, wait until service stopped again\n"
7823 " For is-system-running, wait until startup is completed\n"
7824 " --no-block Do not wait until operation finished\n"
7825 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7826 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7827 " --no-legend Do not print a legend (column headers and hints)\n"
7828 " --no-pager Do not pipe output into a pager\n"
7829 " --no-ask-password\n"
7830 " Do not ask for system passwords\n"
7831 " --global Enable/disable/mask unit files globally\n"
7832 " --runtime Enable/disable/mask unit files temporarily until next\n"
7833 " reboot\n"
7834 " -f --force When enabling unit files, override existing symlinks\n"
7835 " When shutting down, execute action immediately\n"
7836 " --preset-mode= Apply only enable, only disable, or all presets\n"
7837 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7838 " directory\n"
7839 " -n --lines=INTEGER Number of journal entries to show\n"
7840 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7841 " short-iso, short-iso-precise, short-full,\n"
7842 " short-monotonic, short-unix,\n"
7843 " verbose, export, json, json-pretty, json-sse, cat)\n"
7844 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7845 " --boot-loader-menu=TIME\n"
7846 " Boot into boot loader menu on next boot\n"
7847 " --boot-loader-entry=NAME\n"
7848 " Boot into a specific boot loader entry on next boot\n"
7849 " --plain Print unit dependencies as a list instead of a tree\n"
7850 "\nSee the %2$s for details.\n"
7851 , program_invocation_short_name
7852 , link
7853 , ansi_underline(), ansi_normal()
7854 , ansi_highlight(), ansi_normal()
7855 );
7856
7857 return 0;
7858 }
7859
7860 static int halt_help(void) {
7861 _cleanup_free_ char *link = NULL;
7862 int r;
7863
7864 r = terminal_urlify_man("halt", "8", &link);
7865 if (r < 0)
7866 return log_oom();
7867
7868 printf("%s [OPTIONS...]%s\n\n"
7869 "%s the system.\n\n"
7870 " --help Show this help\n"
7871 " --halt Halt the machine\n"
7872 " -p --poweroff Switch off the machine\n"
7873 " --reboot Reboot the machine\n"
7874 " -f --force Force immediate halt/power-off/reboot\n"
7875 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7876 " -d --no-wtmp Don't write wtmp record\n"
7877 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7878 "\nSee the %s for details.\n"
7879 , program_invocation_short_name
7880 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7881 arg_action == ACTION_REBOOT ? "Reboot" :
7882 arg_action == ACTION_POWEROFF ? "Power off" :
7883 "Halt"
7884 , link
7885 );
7886
7887 return 0;
7888 }
7889
7890 static int shutdown_help(void) {
7891 _cleanup_free_ char *link = NULL;
7892 int r;
7893
7894 r = terminal_urlify_man("shutdown", "8", &link);
7895 if (r < 0)
7896 return log_oom();
7897
7898 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7899 "Shut down the system.\n\n"
7900 " --help Show this help\n"
7901 " -H --halt Halt the machine\n"
7902 " -P --poweroff Power-off the machine\n"
7903 " -r --reboot Reboot the machine\n"
7904 " -h Equivalent to --poweroff, overridden by --halt\n"
7905 " -k Don't halt/power-off/reboot, just send warnings\n"
7906 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7907 " -c Cancel a pending shutdown\n"
7908 "\nSee the %s for details.\n"
7909 , program_invocation_short_name
7910 , link
7911 );
7912
7913 return 0;
7914 }
7915
7916 static int telinit_help(void) {
7917 _cleanup_free_ char *link = NULL;
7918 int r;
7919
7920 r = terminal_urlify_man("telinit", "8", &link);
7921 if (r < 0)
7922 return log_oom();
7923
7924 printf("%s [OPTIONS...] {COMMAND}\n\n"
7925 "Send control commands to the init daemon.\n\n"
7926 " --help Show this help\n"
7927 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7928 "Commands:\n"
7929 " 0 Power-off the machine\n"
7930 " 6 Reboot the machine\n"
7931 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7932 " 1, s, S Enter rescue mode\n"
7933 " q, Q Reload init daemon configuration\n"
7934 " u, U Reexecute init daemon\n"
7935 "\nSee the %s for details.\n"
7936 , program_invocation_short_name
7937 , link
7938 );
7939
7940 return 0;
7941 }
7942
7943 static int runlevel_help(void) {
7944 _cleanup_free_ char *link = NULL;
7945 int r;
7946
7947 r = terminal_urlify_man("runlevel", "8", &link);
7948 if (r < 0)
7949 return log_oom();
7950
7951 printf("%s [OPTIONS...]\n\n"
7952 "Prints the previous and current runlevel of the init system.\n\n"
7953 " --help Show this help\n"
7954 "\nSee the %s for details.\n"
7955 , program_invocation_short_name
7956 , link
7957 );
7958
7959 return 0;
7960 }
7961
7962 static void help_types(void) {
7963 if (!arg_no_legend)
7964 puts("Available unit types:");
7965
7966 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7967 }
7968
7969 static void help_states(void) {
7970 if (!arg_no_legend)
7971 puts("Available unit load states:");
7972 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7973
7974 if (!arg_no_legend)
7975 puts("\nAvailable unit active states:");
7976 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7977
7978 if (!arg_no_legend)
7979 puts("\nAvailable unit file states:");
7980 DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX);
7981
7982 if (!arg_no_legend)
7983 puts("\nAvailable automount unit substates:");
7984 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7985
7986 if (!arg_no_legend)
7987 puts("\nAvailable device unit substates:");
7988 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7989
7990 if (!arg_no_legend)
7991 puts("\nAvailable mount unit substates:");
7992 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7993
7994 if (!arg_no_legend)
7995 puts("\nAvailable path unit substates:");
7996 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7997
7998 if (!arg_no_legend)
7999 puts("\nAvailable scope unit substates:");
8000 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
8001
8002 if (!arg_no_legend)
8003 puts("\nAvailable service unit substates:");
8004 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
8005
8006 if (!arg_no_legend)
8007 puts("\nAvailable slice unit substates:");
8008 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
8009
8010 if (!arg_no_legend)
8011 puts("\nAvailable socket unit substates:");
8012 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
8013
8014 if (!arg_no_legend)
8015 puts("\nAvailable swap unit substates:");
8016 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
8017
8018 if (!arg_no_legend)
8019 puts("\nAvailable target unit substates:");
8020 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
8021
8022 if (!arg_no_legend)
8023 puts("\nAvailable timer unit substates:");
8024 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
8025 }
8026
8027 static int help_boot_loader_entry(void) {
8028 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8029 _cleanup_strv_free_ char **l = NULL;
8030 sd_bus *bus;
8031 char **i;
8032 int r;
8033
8034 r = acquire_bus(BUS_FULL, &bus);
8035 if (r < 0)
8036 return r;
8037
8038 r = sd_bus_get_property_strv(
8039 bus,
8040 "org.freedesktop.login1",
8041 "/org/freedesktop/login1",
8042 "org.freedesktop.login1.Manager",
8043 "BootLoaderEntries",
8044 &error,
8045 &l);
8046 if (r < 0)
8047 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
8048
8049 if (strv_isempty(l))
8050 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
8051
8052 STRV_FOREACH(i, l)
8053 puts(*i);
8054
8055 return 0;
8056 }
8057
8058 static int systemctl_parse_argv(int argc, char *argv[]) {
8059 enum {
8060 ARG_FAIL = 0x100,
8061 ARG_REVERSE,
8062 ARG_AFTER,
8063 ARG_BEFORE,
8064 ARG_DRY_RUN,
8065 ARG_SHOW_TYPES,
8066 ARG_IRREVERSIBLE,
8067 ARG_IGNORE_DEPENDENCIES,
8068 ARG_VALUE,
8069 ARG_VERSION,
8070 ARG_USER,
8071 ARG_SYSTEM,
8072 ARG_GLOBAL,
8073 ARG_NO_BLOCK,
8074 ARG_NO_LEGEND,
8075 ARG_NO_PAGER,
8076 ARG_NO_WALL,
8077 ARG_ROOT,
8078 ARG_NO_RELOAD,
8079 ARG_KILL_WHO,
8080 ARG_NO_ASK_PASSWORD,
8081 ARG_FAILED,
8082 ARG_RUNTIME,
8083 ARG_PLAIN,
8084 ARG_STATE,
8085 ARG_JOB_MODE,
8086 ARG_PRESET_MODE,
8087 ARG_FIRMWARE_SETUP,
8088 ARG_BOOT_LOADER_MENU,
8089 ARG_BOOT_LOADER_ENTRY,
8090 ARG_NOW,
8091 ARG_MESSAGE,
8092 ARG_WAIT,
8093 ARG_WHAT,
8094 };
8095
8096 static const struct option options[] = {
8097 { "help", no_argument, NULL, 'h' },
8098 { "version", no_argument, NULL, ARG_VERSION },
8099 { "type", required_argument, NULL, 't' },
8100 { "property", required_argument, NULL, 'p' },
8101 { "all", no_argument, NULL, 'a' },
8102 { "reverse", no_argument, NULL, ARG_REVERSE },
8103 { "after", no_argument, NULL, ARG_AFTER },
8104 { "before", no_argument, NULL, ARG_BEFORE },
8105 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8106 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8107 { "full", no_argument, NULL, 'l' },
8108 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8109 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8110 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8111 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8112 { "ignore-inhibitors", no_argument, NULL, 'i' },
8113 { "value", no_argument, NULL, ARG_VALUE },
8114 { "user", no_argument, NULL, ARG_USER },
8115 { "system", no_argument, NULL, ARG_SYSTEM },
8116 { "global", no_argument, NULL, ARG_GLOBAL },
8117 { "wait", no_argument, NULL, ARG_WAIT },
8118 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8119 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8120 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8121 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8122 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8123 { "quiet", no_argument, NULL, 'q' },
8124 { "root", required_argument, NULL, ARG_ROOT },
8125 { "force", no_argument, NULL, 'f' },
8126 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8127 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8128 { "signal", required_argument, NULL, 's' },
8129 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8130 { "host", required_argument, NULL, 'H' },
8131 { "machine", required_argument, NULL, 'M' },
8132 { "runtime", no_argument, NULL, ARG_RUNTIME },
8133 { "lines", required_argument, NULL, 'n' },
8134 { "output", required_argument, NULL, 'o' },
8135 { "plain", no_argument, NULL, ARG_PLAIN },
8136 { "state", required_argument, NULL, ARG_STATE },
8137 { "recursive", no_argument, NULL, 'r' },
8138 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8139 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8140 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8141 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8142 { "now", no_argument, NULL, ARG_NOW },
8143 { "message", required_argument, NULL, ARG_MESSAGE },
8144 { "show-transaction", no_argument, NULL, 'T' },
8145 { "what", required_argument, NULL, ARG_WHAT },
8146 {}
8147 };
8148
8149 int c, r;
8150
8151 assert(argc >= 0);
8152 assert(argv);
8153
8154 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8155 arg_ask_password = true;
8156
8157 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8158
8159 switch (c) {
8160
8161 case 'h':
8162 return systemctl_help();
8163
8164 case ARG_VERSION:
8165 return version();
8166
8167 case 't': {
8168 const char *p;
8169
8170 if (isempty(optarg))
8171 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8172 "--type= requires arguments.");
8173
8174 for (p = optarg;;) {
8175 _cleanup_free_ char *type = NULL;
8176
8177 r = extract_first_word(&p, &type, ",", 0);
8178 if (r < 0)
8179 return log_error_errno(r, "Failed to parse type: %s", optarg);
8180 if (r == 0)
8181 break;
8182
8183 if (streq(type, "help")) {
8184 help_types();
8185 return 0;
8186 }
8187
8188 if (unit_type_from_string(type) >= 0) {
8189 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8190 return log_oom();
8191 continue;
8192 }
8193
8194 /* It's much nicer to use --state= for
8195 * load states, but let's support this
8196 * in --types= too for compatibility
8197 * with old versions */
8198 if (unit_load_state_from_string(type) >= 0) {
8199 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8200 return log_oom();
8201 continue;
8202 }
8203
8204 log_error("Unknown unit type or load state '%s'.", type);
8205 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8206 "Use -t help to see a list of allowed values.");
8207 }
8208
8209 break;
8210 }
8211
8212 case 'p':
8213 /* Make sure that if the empty property list was specified, we won't show any
8214 properties. */
8215 if (isempty(optarg) && !arg_properties) {
8216 arg_properties = new0(char*, 1);
8217 if (!arg_properties)
8218 return log_oom();
8219 } else {
8220 const char *p;
8221
8222 for (p = optarg;;) {
8223 _cleanup_free_ char *prop = NULL;
8224
8225 r = extract_first_word(&p, &prop, ",", 0);
8226 if (r < 0)
8227 return log_error_errno(r, "Failed to parse property: %s", optarg);
8228 if (r == 0)
8229 break;
8230
8231 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8232 return log_oom();
8233 }
8234 }
8235
8236 /* If the user asked for a particular
8237 * property, show it to him, even if it is
8238 * empty. */
8239 arg_all = true;
8240
8241 break;
8242
8243 case 'a':
8244 arg_all = true;
8245 break;
8246
8247 case ARG_REVERSE:
8248 arg_dependency = DEPENDENCY_REVERSE;
8249 break;
8250
8251 case ARG_AFTER:
8252 arg_dependency = DEPENDENCY_AFTER;
8253 arg_jobs_after = true;
8254 break;
8255
8256 case ARG_BEFORE:
8257 arg_dependency = DEPENDENCY_BEFORE;
8258 arg_jobs_before = true;
8259 break;
8260
8261 case ARG_SHOW_TYPES:
8262 arg_show_types = true;
8263 break;
8264
8265 case ARG_VALUE:
8266 arg_value = true;
8267 break;
8268
8269 case ARG_JOB_MODE:
8270 arg_job_mode = optarg;
8271 break;
8272
8273 case ARG_FAIL:
8274 arg_job_mode = "fail";
8275 break;
8276
8277 case ARG_IRREVERSIBLE:
8278 arg_job_mode = "replace-irreversibly";
8279 break;
8280
8281 case ARG_IGNORE_DEPENDENCIES:
8282 arg_job_mode = "ignore-dependencies";
8283 break;
8284
8285 case ARG_USER:
8286 arg_scope = UNIT_FILE_USER;
8287 break;
8288
8289 case ARG_SYSTEM:
8290 arg_scope = UNIT_FILE_SYSTEM;
8291 break;
8292
8293 case ARG_GLOBAL:
8294 arg_scope = UNIT_FILE_GLOBAL;
8295 break;
8296
8297 case ARG_WAIT:
8298 arg_wait = true;
8299 break;
8300
8301 case ARG_NO_BLOCK:
8302 arg_no_block = true;
8303 break;
8304
8305 case ARG_NO_LEGEND:
8306 arg_no_legend = true;
8307 break;
8308
8309 case ARG_NO_PAGER:
8310 arg_pager_flags |= PAGER_DISABLE;
8311 break;
8312
8313 case ARG_NO_WALL:
8314 arg_no_wall = true;
8315 break;
8316
8317 case ARG_ROOT:
8318 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8319 if (r < 0)
8320 return r;
8321 break;
8322
8323 case 'l':
8324 arg_full = true;
8325 break;
8326
8327 case ARG_FAILED:
8328 if (strv_extend(&arg_states, "failed") < 0)
8329 return log_oom();
8330
8331 break;
8332
8333 case ARG_DRY_RUN:
8334 arg_dry_run = true;
8335 break;
8336
8337 case 'q':
8338 arg_quiet = true;
8339 break;
8340
8341 case 'f':
8342 arg_force++;
8343 break;
8344
8345 case ARG_NO_RELOAD:
8346 arg_no_reload = true;
8347 break;
8348
8349 case ARG_KILL_WHO:
8350 arg_kill_who = optarg;
8351 break;
8352
8353 case 's':
8354 if (streq(optarg, "help")) {
8355 DUMP_STRING_TABLE(signal, int, _NSIG);
8356 return 0;
8357 }
8358
8359 arg_signal = signal_from_string(optarg);
8360 if (arg_signal < 0)
8361 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8362 "Failed to parse signal string %s.",
8363 optarg);
8364 break;
8365
8366 case ARG_NO_ASK_PASSWORD:
8367 arg_ask_password = false;
8368 break;
8369
8370 case 'H':
8371 arg_transport = BUS_TRANSPORT_REMOTE;
8372 arg_host = optarg;
8373 break;
8374
8375 case 'M':
8376 arg_transport = BUS_TRANSPORT_MACHINE;
8377 arg_host = optarg;
8378 break;
8379
8380 case ARG_RUNTIME:
8381 arg_runtime = true;
8382 break;
8383
8384 case 'n':
8385 if (safe_atou(optarg, &arg_lines) < 0)
8386 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8387 "Failed to parse lines '%s'",
8388 optarg);
8389 break;
8390
8391 case 'o':
8392 if (streq(optarg, "help")) {
8393 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8394 return 0;
8395 }
8396
8397 arg_output = output_mode_from_string(optarg);
8398 if (arg_output < 0)
8399 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8400 "Unknown output '%s'.",
8401 optarg);
8402 break;
8403
8404 case 'i':
8405 arg_ignore_inhibitors = true;
8406 break;
8407
8408 case ARG_PLAIN:
8409 arg_plain = true;
8410 break;
8411
8412 case ARG_FIRMWARE_SETUP:
8413 arg_firmware_setup = true;
8414 break;
8415
8416 case ARG_BOOT_LOADER_MENU:
8417
8418 r = parse_sec(optarg, &arg_boot_loader_menu);
8419 if (r < 0)
8420 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8421
8422 break;
8423
8424 case ARG_BOOT_LOADER_ENTRY:
8425
8426 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8427 r = help_boot_loader_entry();
8428 if (r < 0)
8429 return r;
8430
8431 return 0;
8432 }
8433
8434 arg_boot_loader_entry = empty_to_null(optarg);
8435 break;
8436
8437 case ARG_STATE: {
8438 const char *p;
8439
8440 if (isempty(optarg))
8441 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8442 "--state= requires arguments.");
8443
8444 for (p = optarg;;) {
8445 _cleanup_free_ char *s = NULL;
8446
8447 r = extract_first_word(&p, &s, ",", 0);
8448 if (r < 0)
8449 return log_error_errno(r, "Failed to parse state: %s", optarg);
8450 if (r == 0)
8451 break;
8452
8453 if (streq(s, "help")) {
8454 help_states();
8455 return 0;
8456 }
8457
8458 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8459 return log_oom();
8460 }
8461 break;
8462 }
8463
8464 case 'r':
8465 if (geteuid() != 0)
8466 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8467 "--recursive requires root privileges.");
8468
8469 arg_recursive = true;
8470 break;
8471
8472 case ARG_PRESET_MODE:
8473 if (streq(optarg, "help")) {
8474 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8475 return 0;
8476 }
8477
8478 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8479 if (arg_preset_mode < 0)
8480 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8481 "Failed to parse preset mode: %s.", optarg);
8482
8483 break;
8484
8485 case ARG_NOW:
8486 arg_now = true;
8487 break;
8488
8489 case ARG_MESSAGE:
8490 if (strv_extend(&arg_wall, optarg) < 0)
8491 return log_oom();
8492 break;
8493
8494 case 'T':
8495 arg_show_transaction = true;
8496 break;
8497
8498 case ARG_WHAT: {
8499 const char *p;
8500
8501 if (isempty(optarg))
8502 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8503
8504 for (p = optarg;;) {
8505 _cleanup_free_ char *k = NULL;
8506
8507 r = extract_first_word(&p, &k, ",", 0);
8508 if (r < 0)
8509 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8510 if (r == 0)
8511 break;
8512
8513 if (streq(k, "help")) {
8514 puts("runtime\n"
8515 "state\n"
8516 "cache\n"
8517 "logs\n"
8518 "configuration");
8519 return 0;
8520 }
8521
8522 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8523 if (r < 0)
8524 return log_oom();
8525 }
8526
8527 break;
8528 }
8529
8530 case '.':
8531 /* Output an error mimicking getopt, and print a hint afterwards */
8532 log_error("%s: invalid option -- '.'", program_invocation_name);
8533 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8534 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8535 program_invocation_name, optarg ?: "mount");
8536 _fallthrough_;
8537
8538 case '?':
8539 return -EINVAL;
8540
8541 default:
8542 assert_not_reached("Unhandled option");
8543 }
8544
8545 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8546 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8547 "Cannot access user instance remotely.");
8548
8549 if (arg_wait && arg_no_block)
8550 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8551 "--wait may not be combined with --no-block.");
8552
8553 return 1;
8554 }
8555
8556 static int halt_parse_argv(int argc, char *argv[]) {
8557 enum {
8558 ARG_HELP = 0x100,
8559 ARG_HALT,
8560 ARG_REBOOT,
8561 ARG_NO_WALL
8562 };
8563
8564 static const struct option options[] = {
8565 { "help", no_argument, NULL, ARG_HELP },
8566 { "halt", no_argument, NULL, ARG_HALT },
8567 { "poweroff", no_argument, NULL, 'p' },
8568 { "reboot", no_argument, NULL, ARG_REBOOT },
8569 { "force", no_argument, NULL, 'f' },
8570 { "wtmp-only", no_argument, NULL, 'w' },
8571 { "no-wtmp", no_argument, NULL, 'd' },
8572 { "no-sync", no_argument, NULL, 'n' },
8573 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8574 {}
8575 };
8576
8577 int c, r, runlevel;
8578
8579 assert(argc >= 0);
8580 assert(argv);
8581
8582 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8583 if (IN_SET(runlevel, '0', '6'))
8584 arg_force = 2;
8585
8586 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8587 switch (c) {
8588
8589 case ARG_HELP:
8590 return halt_help();
8591
8592 case ARG_HALT:
8593 arg_action = ACTION_HALT;
8594 break;
8595
8596 case 'p':
8597 if (arg_action != ACTION_REBOOT)
8598 arg_action = ACTION_POWEROFF;
8599 break;
8600
8601 case ARG_REBOOT:
8602 arg_action = ACTION_REBOOT;
8603 break;
8604
8605 case 'f':
8606 arg_force = 2;
8607 break;
8608
8609 case 'w':
8610 arg_dry_run = true;
8611 break;
8612
8613 case 'd':
8614 arg_no_wtmp = true;
8615 break;
8616
8617 case 'n':
8618 arg_no_sync = true;
8619 break;
8620
8621 case ARG_NO_WALL:
8622 arg_no_wall = true;
8623 break;
8624
8625 case 'i':
8626 case 'h':
8627 /* Compatibility nops */
8628 break;
8629
8630 case '?':
8631 return -EINVAL;
8632
8633 default:
8634 assert_not_reached("Unhandled option");
8635 }
8636
8637 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8638 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8639 if (r < 0)
8640 return r;
8641 } else if (optind < argc)
8642 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8643 "Too many arguments.");
8644
8645 return 1;
8646 }
8647
8648 static int shutdown_parse_argv(int argc, char *argv[]) {
8649 enum {
8650 ARG_HELP = 0x100,
8651 ARG_NO_WALL
8652 };
8653
8654 static const struct option options[] = {
8655 { "help", no_argument, NULL, ARG_HELP },
8656 { "halt", no_argument, NULL, 'H' },
8657 { "poweroff", no_argument, NULL, 'P' },
8658 { "reboot", no_argument, NULL, 'r' },
8659 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8660 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8661 {}
8662 };
8663
8664 char **wall = NULL;
8665 int c, r;
8666
8667 assert(argc >= 0);
8668 assert(argv);
8669
8670 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8671 switch (c) {
8672
8673 case ARG_HELP:
8674 return shutdown_help();
8675
8676 case 'H':
8677 arg_action = ACTION_HALT;
8678 break;
8679
8680 case 'P':
8681 arg_action = ACTION_POWEROFF;
8682 break;
8683
8684 case 'r':
8685 if (kexec_loaded())
8686 arg_action = ACTION_KEXEC;
8687 else
8688 arg_action = ACTION_REBOOT;
8689 break;
8690
8691 case 'K':
8692 arg_action = ACTION_KEXEC;
8693 break;
8694
8695 case 'h':
8696 if (arg_action != ACTION_HALT)
8697 arg_action = ACTION_POWEROFF;
8698 break;
8699
8700 case 'k':
8701 arg_dry_run = true;
8702 break;
8703
8704 case ARG_NO_WALL:
8705 arg_no_wall = true;
8706 break;
8707
8708 case 'a':
8709 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8710 case 'f':
8711 case 'F':
8712 /* Compatibility nops */
8713 break;
8714
8715 case 'c':
8716 arg_action = ACTION_CANCEL_SHUTDOWN;
8717 break;
8718
8719 case '?':
8720 return -EINVAL;
8721
8722 default:
8723 assert_not_reached("Unhandled option");
8724 }
8725
8726 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8727 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8728 if (r < 0) {
8729 log_error("Failed to parse time specification: %s", argv[optind]);
8730 return r;
8731 }
8732 } else
8733 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8734
8735 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8736 /* No time argument for shutdown cancel */
8737 wall = argv + optind;
8738 else if (argc > optind + 1)
8739 /* We skip the time argument */
8740 wall = argv + optind + 1;
8741
8742 if (wall) {
8743 arg_wall = strv_copy(wall);
8744 if (!arg_wall)
8745 return log_oom();
8746 }
8747
8748 optind = argc;
8749
8750 return 1;
8751 }
8752
8753 static int telinit_parse_argv(int argc, char *argv[]) {
8754 enum {
8755 ARG_HELP = 0x100,
8756 ARG_NO_WALL
8757 };
8758
8759 static const struct option options[] = {
8760 { "help", no_argument, NULL, ARG_HELP },
8761 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8762 {}
8763 };
8764
8765 static const struct {
8766 char from;
8767 enum action to;
8768 } table[] = {
8769 { '0', ACTION_POWEROFF },
8770 { '6', ACTION_REBOOT },
8771 { '1', ACTION_RESCUE },
8772 { '2', ACTION_RUNLEVEL2 },
8773 { '3', ACTION_RUNLEVEL3 },
8774 { '4', ACTION_RUNLEVEL4 },
8775 { '5', ACTION_RUNLEVEL5 },
8776 { 's', ACTION_RESCUE },
8777 { 'S', ACTION_RESCUE },
8778 { 'q', ACTION_RELOAD },
8779 { 'Q', ACTION_RELOAD },
8780 { 'u', ACTION_REEXEC },
8781 { 'U', ACTION_REEXEC }
8782 };
8783
8784 unsigned i;
8785 int c;
8786
8787 assert(argc >= 0);
8788 assert(argv);
8789
8790 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8791 switch (c) {
8792
8793 case ARG_HELP:
8794 return telinit_help();
8795
8796 case ARG_NO_WALL:
8797 arg_no_wall = true;
8798 break;
8799
8800 case '?':
8801 return -EINVAL;
8802
8803 default:
8804 assert_not_reached("Unhandled option");
8805 }
8806
8807 if (optind >= argc)
8808 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8809 "%s: required argument missing.",
8810 program_invocation_short_name);
8811
8812 if (optind + 1 < argc)
8813 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8814 "Too many arguments.");
8815
8816 if (strlen(argv[optind]) != 1)
8817 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8818 "Expected single character argument.");
8819
8820 for (i = 0; i < ELEMENTSOF(table); i++)
8821 if (table[i].from == argv[optind][0])
8822 break;
8823
8824 if (i >= ELEMENTSOF(table))
8825 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8826 "Unknown command '%s'.", argv[optind]);
8827
8828 arg_action = table[i].to;
8829
8830 optind++;
8831
8832 return 1;
8833 }
8834
8835 static int runlevel_parse_argv(int argc, char *argv[]) {
8836 enum {
8837 ARG_HELP = 0x100,
8838 };
8839
8840 static const struct option options[] = {
8841 { "help", no_argument, NULL, ARG_HELP },
8842 {}
8843 };
8844
8845 int c;
8846
8847 assert(argc >= 0);
8848 assert(argv);
8849
8850 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8851 switch (c) {
8852
8853 case ARG_HELP:
8854 return runlevel_help();
8855
8856 case '?':
8857 return -EINVAL;
8858
8859 default:
8860 assert_not_reached("Unhandled option");
8861 }
8862
8863 if (optind < argc)
8864 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8865 "Too many arguments.");
8866
8867 return 1;
8868 }
8869
8870 static int parse_argv(int argc, char *argv[]) {
8871 assert(argc >= 0);
8872 assert(argv);
8873
8874 if (program_invocation_short_name) {
8875
8876 if (strstr(program_invocation_short_name, "halt")) {
8877 arg_action = ACTION_HALT;
8878 return halt_parse_argv(argc, argv);
8879
8880 } else if (strstr(program_invocation_short_name, "poweroff")) {
8881 arg_action = ACTION_POWEROFF;
8882 return halt_parse_argv(argc, argv);
8883
8884 } else if (strstr(program_invocation_short_name, "reboot")) {
8885 if (kexec_loaded())
8886 arg_action = ACTION_KEXEC;
8887 else
8888 arg_action = ACTION_REBOOT;
8889 return halt_parse_argv(argc, argv);
8890
8891 } else if (strstr(program_invocation_short_name, "shutdown")) {
8892 arg_action = ACTION_POWEROFF;
8893 return shutdown_parse_argv(argc, argv);
8894
8895 } else if (strstr(program_invocation_short_name, "init")) {
8896
8897 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8898 * 1 on SysV.
8899 *
8900 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8901 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8902 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8903 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8904 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8905 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8906 * quick way to match both.
8907 *
8908 * Also see redirect_telinit() in src/core/main.c. */
8909
8910 if (sd_booted() > 0) {
8911 arg_action = _ACTION_INVALID;
8912 return telinit_parse_argv(argc, argv);
8913 } else {
8914 /* Hmm, so some other init system is running, we need to forward this request to
8915 * it. For now we simply guess that it is Upstart. */
8916
8917 (void) rlimit_nofile_safe();
8918 execv(TELINIT, argv);
8919
8920 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8921 "Couldn't find an alternative telinit implementation to spawn.");
8922 }
8923
8924 } else if (strstr(program_invocation_short_name, "runlevel")) {
8925 arg_action = ACTION_RUNLEVEL;
8926 return runlevel_parse_argv(argc, argv);
8927 }
8928 }
8929
8930 arg_action = ACTION_SYSTEMCTL;
8931 return systemctl_parse_argv(argc, argv);
8932 }
8933
8934 #if HAVE_SYSV_COMPAT
8935 _pure_ static int action_to_runlevel(void) {
8936 static const char table[_ACTION_MAX] = {
8937 [ACTION_HALT] = '0',
8938 [ACTION_POWEROFF] = '0',
8939 [ACTION_REBOOT] = '6',
8940 [ACTION_RUNLEVEL2] = '2',
8941 [ACTION_RUNLEVEL3] = '3',
8942 [ACTION_RUNLEVEL4] = '4',
8943 [ACTION_RUNLEVEL5] = '5',
8944 [ACTION_RESCUE] = '1'
8945 };
8946
8947 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8948 return table[arg_action];
8949 }
8950 #endif
8951
8952 static int systemctl_main(int argc, char *argv[]) {
8953 static const Verb verbs[] = {
8954 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8955 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8956 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8957 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8958 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8959 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8960 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8961 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8962 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8963 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8964 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8965 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8966 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8967 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8968 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8969 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8970 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8971 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8972 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8973 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8974 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8975 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8976 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_unit },
8977 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8978 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8979 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8980 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8981 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8982 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8983 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8984 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8985 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8986 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8987 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8988 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8989 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8990 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8991 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8992 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8993 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8994 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8995 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8996 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8997 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8998 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8999 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
9000 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
9001 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
9002 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
9003 { "enable", 2, VERB_ANY, 0, enable_unit },
9004 { "disable", 2, VERB_ANY, 0, enable_unit },
9005 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
9006 { "reenable", 2, VERB_ANY, 0, enable_unit },
9007 { "preset", 2, VERB_ANY, 0, enable_unit },
9008 { "preset-all", VERB_ANY, 1, 0, preset_all },
9009 { "mask", 2, VERB_ANY, 0, enable_unit },
9010 { "unmask", 2, VERB_ANY, 0, enable_unit },
9011 { "link", 2, VERB_ANY, 0, enable_unit },
9012 { "revert", 2, VERB_ANY, 0, enable_unit },
9013 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
9014 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
9015 { "set-default", 2, 2, 0, set_default },
9016 { "get-default", VERB_ANY, 1, 0, get_default },
9017 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
9018 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
9019 { "add-wants", 3, VERB_ANY, 0, add_dependency },
9020 { "add-requires", 3, VERB_ANY, 0, add_dependency },
9021 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
9022 {}
9023 };
9024
9025 return dispatch_verb(argc, argv, verbs, NULL);
9026 }
9027
9028 static int reload_with_fallback(void) {
9029 /* First, try systemd via D-Bus. */
9030 if (daemon_reload(0, NULL, NULL) >= 0)
9031 return 0;
9032
9033 /* Nothing else worked, so let's try signals */
9034 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
9035
9036 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
9037 return log_error_errno(errno, "kill() failed: %m");
9038
9039 return 0;
9040 }
9041
9042 static int start_with_fallback(void) {
9043 /* First, try systemd via D-Bus. */
9044 if (start_unit(0, NULL, NULL) == 0)
9045 return 0;
9046
9047 #if HAVE_SYSV_COMPAT
9048 /* Nothing else worked, so let's try /dev/initctl */
9049 if (talk_initctl(action_to_runlevel()) > 0)
9050 return 0;
9051 #endif
9052
9053 return log_error_errno(SYNTHETIC_ERRNO(EIO),
9054 "Failed to talk to init daemon.");
9055 }
9056
9057 static int halt_now(enum action a) {
9058 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
9059 * synced explicitly in advance. */
9060 if (!arg_no_sync && !arg_dry_run)
9061 (void) sync();
9062
9063 /* Make sure C-A-D is handled by the kernel from this point on... */
9064 if (!arg_dry_run)
9065 (void) reboot(RB_ENABLE_CAD);
9066
9067 switch (a) {
9068
9069 case ACTION_HALT:
9070 if (!arg_quiet)
9071 log_info("Halting.");
9072 if (arg_dry_run)
9073 return 0;
9074 (void) reboot(RB_HALT_SYSTEM);
9075 return -errno;
9076
9077 case ACTION_POWEROFF:
9078 if (!arg_quiet)
9079 log_info("Powering off.");
9080 if (arg_dry_run)
9081 return 0;
9082 (void) reboot(RB_POWER_OFF);
9083 return -errno;
9084
9085 case ACTION_KEXEC:
9086 case ACTION_REBOOT:
9087 return reboot_with_parameter(REBOOT_FALLBACK |
9088 (arg_quiet ? 0 : REBOOT_LOG) |
9089 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9090
9091 default:
9092 assert_not_reached("Unknown action.");
9093 }
9094 }
9095
9096 static int logind_schedule_shutdown(void) {
9097
9098 #if ENABLE_LOGIND
9099 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9100 char date[FORMAT_TIMESTAMP_MAX];
9101 const char *action;
9102 sd_bus *bus;
9103 int r;
9104
9105 r = acquire_bus(BUS_FULL, &bus);
9106 if (r < 0)
9107 return r;
9108
9109 switch (arg_action) {
9110 case ACTION_HALT:
9111 action = "halt";
9112 break;
9113 case ACTION_POWEROFF:
9114 action = "poweroff";
9115 break;
9116 case ACTION_KEXEC:
9117 action = "kexec";
9118 break;
9119 case ACTION_EXIT:
9120 action = "exit";
9121 break;
9122 case ACTION_REBOOT:
9123 default:
9124 action = "reboot";
9125 break;
9126 }
9127
9128 if (arg_dry_run)
9129 action = strjoina("dry-", action);
9130
9131 (void) logind_set_wall_message();
9132
9133 r = sd_bus_call_method(
9134 bus,
9135 "org.freedesktop.login1",
9136 "/org/freedesktop/login1",
9137 "org.freedesktop.login1.Manager",
9138 "ScheduleShutdown",
9139 &error,
9140 NULL,
9141 "st",
9142 action,
9143 arg_when);
9144 if (r < 0)
9145 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9146
9147 if (!arg_quiet)
9148 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9149 return 0;
9150 #else
9151 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9152 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9153 #endif
9154 }
9155
9156 static int halt_main(void) {
9157 int r;
9158
9159 r = logind_check_inhibitors(arg_action);
9160 if (r < 0)
9161 return r;
9162
9163 /* Delayed shutdown requested, and was successful */
9164 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9165 return 0;
9166 /* no delay, or logind failed or is not at all available */
9167
9168 if (geteuid() != 0) {
9169 if (arg_dry_run || arg_force > 0) {
9170 (void) must_be_root();
9171 return -EPERM;
9172 }
9173
9174 /* Try logind if we are a normal user and no special
9175 * mode applies. Maybe polkit allows us to shutdown
9176 * the machine. */
9177 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9178 r = logind_reboot(arg_action);
9179 if (r >= 0)
9180 return r;
9181 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9182 /* requested operation is not
9183 * supported on the local system or
9184 * already in progress */
9185 return r;
9186 /* on all other errors, try low-level operation */
9187 }
9188 }
9189
9190 /* In order to minimize the difference between operation with and
9191 * without logind, we explicitly enable non-blocking mode for this,
9192 * as logind's shutdown operations are always non-blocking. */
9193 arg_no_block = true;
9194
9195 if (!arg_dry_run && !arg_force)
9196 return start_with_fallback();
9197
9198 assert(geteuid() == 0);
9199
9200 if (!arg_no_wtmp) {
9201 if (sd_booted() > 0)
9202 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9203 else {
9204 r = utmp_put_shutdown();
9205 if (r < 0)
9206 log_warning_errno(r, "Failed to write utmp record: %m");
9207 }
9208 }
9209
9210 if (arg_dry_run)
9211 return 0;
9212
9213 r = halt_now(arg_action);
9214 return log_error_errno(r, "Failed to reboot: %m");
9215 }
9216
9217 static int runlevel_main(void) {
9218 int r, runlevel, previous;
9219
9220 r = utmp_get_runlevel(&runlevel, &previous);
9221 if (r < 0) {
9222 puts("unknown");
9223 return r;
9224 }
9225
9226 printf("%c %c\n",
9227 previous <= 0 ? 'N' : previous,
9228 runlevel <= 0 ? 'N' : runlevel);
9229
9230 return 0;
9231 }
9232
9233 static int logind_cancel_shutdown(void) {
9234 #if ENABLE_LOGIND
9235 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9236 sd_bus *bus;
9237 int r;
9238
9239 r = acquire_bus(BUS_FULL, &bus);
9240 if (r < 0)
9241 return r;
9242
9243 (void) logind_set_wall_message();
9244
9245 r = sd_bus_call_method(
9246 bus,
9247 "org.freedesktop.login1",
9248 "/org/freedesktop/login1",
9249 "org.freedesktop.login1.Manager",
9250 "CancelScheduledShutdown",
9251 &error,
9252 NULL, NULL);
9253 if (r < 0)
9254 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9255
9256 return 0;
9257 #else
9258 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9259 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9260 #endif
9261 }
9262
9263 static int run(int argc, char *argv[]) {
9264 int r;
9265
9266 setlocale(LC_ALL, "");
9267 log_parse_environment();
9268 log_open();
9269
9270 /* The journal merging logic potentially needs a lot of fds. */
9271 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9272
9273 sigbus_install();
9274
9275 /* Explicitly not on_tty() to avoid setting cached value.
9276 * This becomes relevant for piping output which might be
9277 * ellipsized. */
9278 original_stdout_is_tty = isatty(STDOUT_FILENO);
9279
9280 r = parse_argv(argc, argv);
9281 if (r <= 0)
9282 goto finish;
9283
9284 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9285 if (!arg_quiet)
9286 log_info("Running in chroot, ignoring request.");
9287 r = 0;
9288 goto finish;
9289 }
9290
9291 /* systemctl_main() will print an error message for the bus
9292 * connection, but only if it needs to */
9293
9294 switch (arg_action) {
9295
9296 case ACTION_SYSTEMCTL:
9297 r = systemctl_main(argc, argv);
9298 break;
9299
9300 /* Legacy command aliases set arg_action. They provide some fallbacks,
9301 * e.g. to tell sysvinit to reboot after you have installed systemd
9302 * binaries. */
9303
9304 case ACTION_HALT:
9305 case ACTION_POWEROFF:
9306 case ACTION_REBOOT:
9307 case ACTION_KEXEC:
9308 r = halt_main();
9309 break;
9310
9311 case ACTION_RUNLEVEL2:
9312 case ACTION_RUNLEVEL3:
9313 case ACTION_RUNLEVEL4:
9314 case ACTION_RUNLEVEL5:
9315 case ACTION_RESCUE:
9316 r = start_with_fallback();
9317 break;
9318
9319 case ACTION_RELOAD:
9320 case ACTION_REEXEC:
9321 r = reload_with_fallback();
9322 break;
9323
9324 case ACTION_CANCEL_SHUTDOWN:
9325 r = logind_cancel_shutdown();
9326 break;
9327
9328 case ACTION_RUNLEVEL:
9329 r = runlevel_main();
9330 break;
9331
9332 case ACTION_EXIT:
9333 case ACTION_SUSPEND:
9334 case ACTION_HIBERNATE:
9335 case ACTION_HYBRID_SLEEP:
9336 case ACTION_SUSPEND_THEN_HIBERNATE:
9337 case ACTION_EMERGENCY:
9338 case ACTION_DEFAULT:
9339 /* systemctl verbs with no equivalent in the legacy commands.
9340 * These cannot appear in arg_action. Fall through. */
9341
9342 case _ACTION_INVALID:
9343 default:
9344 assert_not_reached("Unknown action");
9345 }
9346
9347 finish:
9348 release_busses();
9349
9350 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9351 return r;
9352 }
9353
9354 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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