]> git.ipfire.org Git - thirdparty/systemd.git/blob - src/systemctl/systemctl.c
projects / thirdparty / systemd.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
fix typo in systemctl help
[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-locator.h"
24 #include "bus-map-properties.h"
25 #include "bus-message.h"
26 #include "bus-print-properties.h"
27 #include "bus-unit-procs.h"
28 #include "bus-unit-util.h"
29 #include "bus-wait-for-jobs.h"
30 #include "bus-wait-for-units.h"
31 #include "cgroup-show.h"
32 #include "cgroup-util.h"
33 #include "copy.h"
34 #include "cpu-set-util.h"
35 #include "dirent-util.h"
36 #include "dropin.h"
37 #include "efi-loader.h"
38 #include "efivars.h"
39 #include "env-util.h"
40 #include "escape.h"
41 #include "exec-util.h"
42 #include "exit-status.h"
43 #include "fd-util.h"
44 #include "format-table.h"
45 #include "format-util.h"
46 #include "fs-util.h"
47 #include "glob-util.h"
48 #include "hexdecoct.h"
49 #include "hostname-util.h"
50 #include "in-addr-util.h"
51 #include "initreq.h"
52 #include "install.h"
53 #include "io-util.h"
54 #include "journal-util.h"
55 #include "list.h"
56 #include "locale-util.h"
57 #include "log.h"
58 #include "logs-show.h"
59 #include "macro.h"
60 #include "main-func.h"
61 #include "memory-util.h"
62 #include "mkdir.h"
63 #include "numa-util.h"
64 #include "pager.h"
65 #include "parse-util.h"
66 #include "path-lookup.h"
67 #include "path-util.h"
68 #include "pretty-print.h"
69 #include "proc-cmdline.h"
70 #include "process-util.h"
71 #include "reboot-util.h"
72 #include "rlimit-util.h"
73 #include "set.h"
74 #include "sigbus.h"
75 #include "signal-util.h"
76 #include "socket-util.h"
77 #include "sort-util.h"
78 #include "spawn-ask-password-agent.h"
79 #include "spawn-polkit-agent.h"
80 #include "special.h"
81 #include "stat-util.h"
82 #include "string-table.h"
83 #include "strv.h"
84 #include "sysv-compat.h"
85 #include "terminal-util.h"
86 #include "tmpfile-util.h"
87 #include "unit-def.h"
88 #include "unit-file.h"
89 #include "unit-name.h"
90 #include "user-util.h"
91 #include "utf8.h"
92 #include "utmp-wtmp.h"
93 #include "verbs.h"
94 #include "virt.h"
95
96 static char **arg_types = NULL;
97 static char **arg_states = NULL;
98 static char **arg_properties = NULL;
99 static bool arg_all = false;
100 static enum dependency {
101 DEPENDENCY_FORWARD,
102 DEPENDENCY_REVERSE,
103 DEPENDENCY_AFTER,
104 DEPENDENCY_BEFORE,
105 _DEPENDENCY_MAX
106 } arg_dependency = DEPENDENCY_FORWARD;
107 static const char *arg_job_mode = "replace";
108 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
109 static bool arg_wait = false;
110 static bool arg_no_block = false;
111 static bool arg_no_legend = false;
112 static PagerFlags arg_pager_flags = 0;
113 static bool arg_no_wtmp = false;
114 static bool arg_no_sync = false;
115 static bool arg_no_wall = false;
116 static bool arg_no_reload = false;
117 static bool arg_value = false;
118 static bool arg_show_types = false;
119 static bool arg_ignore_inhibitors = false;
120 static bool arg_dry_run = false;
121 static bool arg_quiet = false;
122 static bool arg_full = false;
123 static bool arg_recursive = false;
124 static bool arg_with_dependencies = false;
125 static bool arg_show_transaction = false;
126 static int arg_force = 0;
127 static bool arg_ask_password = false;
128 static bool arg_runtime = false;
129 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
130 static char **arg_wall = NULL;
131 static const char *arg_kill_who = NULL;
132 static int arg_signal = SIGTERM;
133 static char *arg_root = NULL;
134 static usec_t arg_when = 0;
135 static const char *arg_reboot_argument = NULL;
136 static enum action {
137 ACTION_SYSTEMCTL,
138 ACTION_HALT,
139 ACTION_POWEROFF,
140 ACTION_REBOOT,
141 ACTION_KEXEC,
142 ACTION_EXIT,
143 ACTION_SUSPEND,
144 ACTION_HIBERNATE,
145 ACTION_HYBRID_SLEEP,
146 ACTION_SUSPEND_THEN_HIBERNATE,
147 ACTION_RUNLEVEL2,
148 ACTION_RUNLEVEL3,
149 ACTION_RUNLEVEL4,
150 ACTION_RUNLEVEL5,
151 ACTION_RESCUE,
152 ACTION_EMERGENCY,
153 ACTION_DEFAULT,
154 ACTION_RELOAD,
155 ACTION_REEXEC,
156 ACTION_RUNLEVEL,
157 ACTION_CANCEL_SHUTDOWN,
158 _ACTION_MAX,
159 _ACTION_INVALID = -1
160 } arg_action = ACTION_SYSTEMCTL;
161 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
162 static const char *arg_host = NULL;
163 static unsigned arg_lines = 10;
164 static OutputMode arg_output = OUTPUT_SHORT;
165 static bool arg_plain = false;
166 static bool arg_firmware_setup = false;
167 static usec_t arg_boot_loader_menu = USEC_INFINITY;
168 static const char *arg_boot_loader_entry = NULL;
169 static bool arg_now = false;
170 static bool arg_jobs_before = false;
171 static bool arg_jobs_after = false;
172 static char **arg_clean_what = NULL;
173
174 /* This is a global cache that will be constructed on first use. */
175 static Hashmap *cached_id_map = NULL;
176 static Hashmap *cached_name_map = NULL;
177
178 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
179 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
180 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
181 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
182 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
183 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
184 STATIC_DESTRUCTOR_REGISTER(cached_id_map, hashmap_freep);
185 STATIC_DESTRUCTOR_REGISTER(cached_name_map, hashmap_freep);
186
187 static int daemon_reload(int argc, char *argv[], void* userdata);
188 static int trivial_method(int argc, char *argv[], void *userdata);
189 static int halt_now(enum action a);
190 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
191
192 static bool original_stdout_is_tty;
193
194 typedef enum BusFocus {
195 BUS_FULL, /* The full bus indicated via --system or --user */
196 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
197 _BUS_FOCUS_MAX
198 } BusFocus;
199
200 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
201
202 static UnitFileFlags args_to_flags(void) {
203 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
204 (arg_force ? UNIT_FILE_FORCE : 0);
205 }
206
207 static int acquire_bus(BusFocus focus, sd_bus **ret) {
208 int r;
209
210 assert(focus < _BUS_FOCUS_MAX);
211 assert(ret);
212
213 /* We only go directly to the manager, if we are using a local transport */
214 if (arg_transport != BUS_TRANSPORT_LOCAL)
215 focus = BUS_FULL;
216
217 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
218 focus = BUS_FULL;
219
220 if (!buses[focus]) {
221 bool user;
222
223 user = arg_scope != UNIT_FILE_SYSTEM;
224
225 if (focus == BUS_MANAGER)
226 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
227 else
228 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
229 if (r < 0)
230 return log_error_errno(r, "Failed to connect to bus: %m");
231
232 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
233 }
234
235 *ret = buses[focus];
236 return 0;
237 }
238
239 static void release_busses(void) {
240 BusFocus w;
241
242 for (w = 0; w < _BUS_FOCUS_MAX; w++)
243 buses[w] = sd_bus_flush_close_unref(buses[w]);
244 }
245
246 static void ask_password_agent_open_maybe(void) {
247 /* Open the password agent as a child process if necessary */
248
249 if (arg_dry_run)
250 return;
251
252 if (arg_scope != UNIT_FILE_SYSTEM)
253 return;
254
255 ask_password_agent_open_if_enabled(arg_transport, arg_ask_password);
256 }
257
258 static void polkit_agent_open_maybe(void) {
259 /* Open the polkit agent as a child process if necessary */
260
261 if (arg_scope != UNIT_FILE_SYSTEM)
262 return;
263
264 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
265 }
266
267 static OutputFlags get_output_flags(void) {
268 return
269 arg_all * OUTPUT_SHOW_ALL |
270 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
271 colors_enabled() * OUTPUT_COLOR |
272 !arg_quiet * OUTPUT_WARN_CUTOFF;
273 }
274
275 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
276 assert(error);
277
278 if (!sd_bus_error_is_set(error))
279 return r;
280
281 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
282 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
283 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
284 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
285 return EXIT_NOPERMISSION;
286
287 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
288 return EXIT_NOTINSTALLED;
289
290 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
291 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
292 return EXIT_NOTIMPLEMENTED;
293
294 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
295 return EXIT_NOTCONFIGURED;
296
297 if (r != 0)
298 return r;
299
300 return EXIT_FAILURE;
301 }
302
303 static bool install_client_side(void) {
304 /* Decides when to execute enable/disable/... operations
305 * client-side rather than server-side. */
306
307 if (running_in_chroot_or_offline())
308 return true;
309
310 if (sd_booted() <= 0)
311 return true;
312
313 if (!isempty(arg_root))
314 return true;
315
316 if (arg_scope == UNIT_FILE_GLOBAL)
317 return true;
318
319 /* Unsupported environment variable, mostly for debugging purposes */
320 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
321 return true;
322
323 return false;
324 }
325
326 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
327 int r;
328
329 /* First, order by machine */
330 r = strcasecmp_ptr(a->machine, b->machine);
331 if (r != 0)
332 return r;
333
334 /* Second, order by unit type */
335 r = strcasecmp_ptr(strrchr(a->id, '.'), strrchr(b->id, '.'));
336 if (r != 0)
337 return r;
338
339 /* Third, order by name */
340 return strcasecmp(a->id, b->id);
341 }
342
343 static const char* unit_type_suffix(const char *name) {
344 const char *dot;
345
346 dot = strrchr(name, '.');
347 if (!dot)
348 return "";
349
350 return dot + 1;
351 }
352
353 static bool output_show_unit(const UnitInfo *u, char **patterns) {
354 assert(u);
355
356 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
357 return false;
358
359 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
360 return false;
361
362 if (arg_all)
363 return true;
364
365 /* Note that '--all' is not purely a state filter, but also a
366 * filter that hides units that "follow" other units (which is
367 * used for device units that appear under different names). */
368 if (!isempty(u->following))
369 return false;
370
371 if (!strv_isempty(arg_states))
372 return true;
373
374 /* By default show all units except the ones in inactive
375 * state and with no pending job */
376 if (u->job_id > 0)
377 return true;
378
379 if (streq(u->active_state, "inactive"))
380 return false;
381
382 return true;
383 }
384
385 static int output_table(Table *table) {
386 int r;
387
388 assert(table);
389
390 if (OUTPUT_MODE_IS_JSON(arg_output))
391 r = table_print_json(table, NULL, output_mode_to_json_format_flags(arg_output) | JSON_FORMAT_COLOR_AUTO);
392 else
393 r = table_print(table, NULL);
394 if (r < 0)
395 return table_log_print_error(r);
396
397 return 0;
398 }
399
400 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
401 _cleanup_(table_unrefp) Table *table = NULL;
402 int r;
403
404 table = table_new("", "unit", "load", "active", "sub", "job", "description");
405 if (!table)
406 return log_oom();
407
408 table_set_header(table, !arg_no_legend);
409 if (arg_plain) {
410 /* Hide the 'glyph' column when --plain is requested */
411 r = table_hide_column_from_display(table, 0);
412 if (r < 0)
413 return log_error_errno(r, "Failed to hide column: %m");
414 }
415 if (arg_full)
416 table_set_width(table, 0);
417
418 (void) table_set_empty_string(table, "-");
419
420 int job_count = 0;
421 for (const UnitInfo *u = unit_infos; unit_infos && u < unit_infos + c; u++) {
422 _cleanup_free_ char *j = NULL;
423 const char *on_underline = "", *on_loaded = "", *on_active = "";
424 const char *on_circle = "", *id;
425 bool circle = false, underline = false;
426
427 if (u + 1 < unit_infos + c &&
428 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
429 on_underline = ansi_underline();
430 underline = true;
431 }
432
433 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
434 on_circle = underline ? ansi_highlight_yellow_underline() : ansi_highlight_yellow();
435 circle = true;
436 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
437 } else if (streq(u->active_state, "failed") && !arg_plain) {
438 on_circle = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
439 circle = true;
440 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
441 } else {
442 on_circle = on_underline;
443 on_active = on_underline;
444 on_loaded = on_underline;
445 }
446
447 if (u->machine) {
448 j = strjoin(u->machine, ":", u->id);
449 if (!j)
450 return log_oom();
451
452 id = j;
453 } else
454 id = u->id;
455
456 r = table_add_many(table,
457 TABLE_STRING, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ",
458 TABLE_SET_BOTH_COLORS, on_circle,
459 TABLE_STRING, id,
460 TABLE_SET_BOTH_COLORS, on_active,
461 TABLE_STRING, u->load_state,
462 TABLE_SET_BOTH_COLORS, on_loaded,
463 TABLE_STRING, u->active_state,
464 TABLE_SET_BOTH_COLORS, on_active,
465 TABLE_STRING, u->sub_state,
466 TABLE_SET_BOTH_COLORS, on_active,
467 TABLE_STRING, u->job_id ? u->job_type: "",
468 TABLE_SET_BOTH_COLORS, u->job_id ? on_underline : "",
469 TABLE_STRING, u->description,
470 TABLE_SET_BOTH_COLORS, on_underline);
471 if (r < 0)
472 return table_log_add_error(r);
473
474 if (u->job_id != 0)
475 job_count++;
476 }
477
478 if (job_count == 0) {
479 /* There's no data in the JOB column, so let's hide it */
480 r = table_hide_column_from_display(table, 5);
481 if (r < 0)
482 return log_error_errno(r, "Failed to hide column: %m");
483 }
484
485 r = output_table(table);
486 if (r < 0)
487 return r;
488
489 if (!arg_no_legend) {
490 const char *on, *off;
491 size_t records = table_get_rows(table) - 1;
492
493 if (records > 0) {
494 puts("\n"
495 "LOAD = Reflects whether the unit definition was properly loaded.\n"
496 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
497 "SUB = The low-level unit activation state, values depend on unit type.");
498 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
499 on = ansi_highlight();
500 off = ansi_normal();
501 } else {
502 on = ansi_highlight_red();
503 off = ansi_normal();
504 }
505
506 if (arg_all || strv_contains(arg_states, "inactive"))
507 printf("%s%zu loaded units listed.%s\n"
508 "To show all installed unit files use 'systemctl list-unit-files'.\n",
509 on, records, off);
510 else if (!arg_states)
511 printf("%s%zu loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
512 "To show all installed unit files use 'systemctl list-unit-files'.\n",
513 on, records, off);
514 else
515 printf("%zu loaded units listed.\n", records);
516 }
517
518 return 0;
519 }
520
521 static int get_unit_list(
522 sd_bus *bus,
523 const char *machine,
524 char **patterns,
525 UnitInfo **unit_infos,
526 int c,
527 sd_bus_message **_reply) {
528
529 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
530 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
531 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
532 size_t size = c;
533 int r;
534 UnitInfo u;
535 bool fallback = false;
536
537 assert(bus);
538 assert(unit_infos);
539 assert(_reply);
540
541 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "ListUnitsByPatterns");
542 if (r < 0)
543 return bus_log_create_error(r);
544
545 r = sd_bus_message_append_strv(m, arg_states);
546 if (r < 0)
547 return bus_log_create_error(r);
548
549 r = sd_bus_message_append_strv(m, patterns);
550 if (r < 0)
551 return bus_log_create_error(r);
552
553 r = sd_bus_call(bus, m, 0, &error, &reply);
554 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
555 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
556 /* Fallback to legacy ListUnitsFiltered method */
557 fallback = true;
558 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
559 m = sd_bus_message_unref(m);
560 sd_bus_error_free(&error);
561
562 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "ListUnitsFiltered");
563 if (r < 0)
564 return bus_log_create_error(r);
565
566 r = sd_bus_message_append_strv(m, arg_states);
567 if (r < 0)
568 return bus_log_create_error(r);
569
570 r = sd_bus_call(bus, m, 0, &error, &reply);
571 }
572 if (r < 0)
573 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
574
575 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
576 if (r < 0)
577 return bus_log_parse_error(r);
578
579 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
580 u.machine = machine;
581
582 if (!output_show_unit(&u, fallback ? patterns : NULL))
583 continue;
584
585 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
586 return log_oom();
587
588 (*unit_infos)[c++] = u;
589 }
590 if (r < 0)
591 return bus_log_parse_error(r);
592
593 r = sd_bus_message_exit_container(reply);
594 if (r < 0)
595 return bus_log_parse_error(r);
596
597 *_reply = TAKE_PTR(reply);
598
599 return c;
600 }
601
602 static void message_set_freep(Set **set) {
603 set_free_with_destructor(*set, sd_bus_message_unref);
604 }
605
606 static int get_unit_list_recursive(
607 sd_bus *bus,
608 char **patterns,
609 UnitInfo **_unit_infos,
610 Set **_replies,
611 char ***_machines) {
612
613 _cleanup_free_ UnitInfo *unit_infos = NULL;
614 _cleanup_(message_set_freep) Set *replies;
615 sd_bus_message *reply;
616 int c, r;
617
618 assert(bus);
619 assert(_replies);
620 assert(_unit_infos);
621 assert(_machines);
622
623 replies = set_new(NULL);
624 if (!replies)
625 return log_oom();
626
627 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
628 if (c < 0)
629 return c;
630
631 r = set_put(replies, reply);
632 if (r < 0) {
633 sd_bus_message_unref(reply);
634 return log_oom();
635 }
636
637 if (arg_recursive) {
638 _cleanup_strv_free_ char **machines = NULL;
639 char **i;
640
641 r = sd_get_machine_names(&machines);
642 if (r < 0)
643 return log_error_errno(r, "Failed to get machine names: %m");
644
645 STRV_FOREACH(i, machines) {
646 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
647 int k;
648
649 r = sd_bus_open_system_machine(&container, *i);
650 if (r < 0) {
651 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
652 continue;
653 }
654
655 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
656 if (k < 0)
657 return k;
658
659 c = k;
660
661 r = set_put(replies, reply);
662 if (r < 0) {
663 sd_bus_message_unref(reply);
664 return log_oom();
665 }
666 }
667
668 *_machines = TAKE_PTR(machines);
669 } else
670 *_machines = NULL;
671
672 *_unit_infos = TAKE_PTR(unit_infos);
673 *_replies = TAKE_PTR(replies);
674
675 return c;
676 }
677
678 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret, bool *ret_expanded) {
679 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
680 char **name;
681 int r, i;
682
683 assert(bus);
684 assert(ret);
685
686 STRV_FOREACH(name, names) {
687 char *t;
688 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
689
690 r = unit_name_mangle_with_suffix(*name, NULL, options, suffix ?: ".service", &t);
691 if (r < 0)
692 return log_error_errno(r, "Failed to mangle name: %m");
693
694 if (string_is_glob(t))
695 r = strv_consume(&globs, t);
696 else
697 r = strv_consume(&mangled, t);
698 if (r < 0)
699 return log_oom();
700 }
701
702 /* Query the manager only if any of the names are a glob, since
703 * this is fairly expensive */
704 bool expanded = !strv_isempty(globs);
705 if (expanded) {
706 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
707 _cleanup_free_ UnitInfo *unit_infos = NULL;
708 size_t allocated, n;
709
710 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
711 if (r < 0)
712 return r;
713
714 n = strv_length(mangled);
715 allocated = n + 1;
716
717 for (i = 0; i < r; i++) {
718 if (!GREEDY_REALLOC(mangled, allocated, n+2))
719 return log_oom();
720
721 mangled[n] = strdup(unit_infos[i].id);
722 if (!mangled[n])
723 return log_oom();
724
725 mangled[++n] = NULL;
726 }
727 }
728
729 if (ret_expanded)
730 *ret_expanded = expanded;
731
732 *ret = TAKE_PTR(mangled);
733 return 0;
734 }
735
736 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***ret) {
737 _cleanup_strv_free_ char **deps = NULL;
738
739 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
740 [DEPENDENCY_FORWARD] = {
741 { "Requires", "as", NULL, 0 },
742 { "Requisite", "as", NULL, 0 },
743 { "Wants", "as", NULL, 0 },
744 { "ConsistsOf", "as", NULL, 0 },
745 { "BindsTo", "as", NULL, 0 },
746 {}
747 },
748 [DEPENDENCY_REVERSE] = {
749 { "RequiredBy", "as", NULL, 0 },
750 { "RequisiteOf", "as", NULL, 0 },
751 { "WantedBy", "as", NULL, 0 },
752 { "PartOf", "as", NULL, 0 },
753 { "BoundBy", "as", NULL, 0 },
754 {}
755 },
756 [DEPENDENCY_AFTER] = {
757 { "After", "as", NULL, 0 },
758 {}
759 },
760 [DEPENDENCY_BEFORE] = {
761 { "Before", "as", NULL, 0 },
762 {}
763 },
764 };
765
766 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
767 _cleanup_free_ char *dbus_path = NULL;
768 int r;
769
770 assert(bus);
771 assert(name);
772 assert(ret);
773
774 dbus_path = unit_dbus_path_from_name(name);
775 if (!dbus_path)
776 return log_oom();
777
778 r = bus_map_all_properties(bus,
779 "org.freedesktop.systemd1",
780 dbus_path,
781 map[arg_dependency],
782 BUS_MAP_STRDUP,
783 &error,
784 NULL,
785 &deps);
786 if (r < 0)
787 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
788
789 strv_uniq(deps); /* Sometimes a unit might have multiple deps on the other unit,
790 * but we still want to show it just once. */
791 *ret = TAKE_PTR(deps);
792
793 return 0;
794 }
795
796 static int append_unit_dependencies(sd_bus *bus, char **names, char ***ret) {
797 _cleanup_strv_free_ char **with_deps = NULL;
798 char **name;
799
800 assert(bus);
801 assert(ret);
802
803 STRV_FOREACH(name, names) {
804 _cleanup_strv_free_ char **deps = NULL;
805
806 if (strv_extend(&with_deps, *name) < 0)
807 return log_oom();
808
809 (void) list_dependencies_get_dependencies(bus, *name, &deps);
810
811 if (strv_extend_strv(&with_deps, deps, true) < 0)
812 return log_oom();
813 }
814
815 *ret = TAKE_PTR(with_deps);
816
817 return 0;
818 }
819
820 static int maybe_extend_with_unit_dependencies(sd_bus *bus, char ***list) {
821 assert(bus);
822 assert(list);
823
824 if (arg_with_dependencies) {
825 int r;
826 _cleanup_strv_free_ char **list_with_deps = NULL;
827
828 r = append_unit_dependencies(bus, *list, &list_with_deps);
829 if (r < 0)
830 return log_error_errno(r, "Failed to append unit dependencies: %m");
831
832 strv_free(*list);
833 *list = TAKE_PTR(list_with_deps);
834 }
835
836 return 0;
837 }
838
839 static int list_units(int argc, char *argv[], void *userdata) {
840 _cleanup_free_ UnitInfo *unit_infos = NULL;
841 _cleanup_(message_set_freep) Set *replies = NULL;
842 _cleanup_strv_free_ char **machines = NULL;
843 sd_bus *bus;
844 int r;
845
846 r = acquire_bus(BUS_MANAGER, &bus);
847 if (r < 0)
848 return r;
849
850 (void) pager_open(arg_pager_flags);
851
852 if (arg_with_dependencies) {
853 _cleanup_strv_free_ char **names = NULL;
854
855 r = append_unit_dependencies(bus, strv_skip(argv, 1), &names);
856 if (r < 0)
857 return r;
858
859 r = get_unit_list_recursive(bus, names, &unit_infos, &replies, &machines);
860 if (r < 0)
861 return r;
862 } else {
863 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
864 if (r < 0)
865 return r;
866 }
867
868 typesafe_qsort(unit_infos, r, compare_unit_info);
869 return output_units_list(unit_infos, r);
870 }
871
872 static int get_triggered_units(
873 sd_bus *bus,
874 const char* path,
875 char*** ret) {
876
877 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
878 int r;
879
880 assert(bus);
881 assert(path);
882 assert(ret);
883
884 r = sd_bus_get_property_strv(
885 bus,
886 "org.freedesktop.systemd1",
887 path,
888 "org.freedesktop.systemd1.Unit",
889 "Triggers",
890 &error,
891 ret);
892 if (r < 0)
893 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
894
895 return 0;
896 }
897
898 static int get_listening(
899 sd_bus *bus,
900 const char* unit_path,
901 char*** listening) {
902
903 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
904 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
905 const char *type, *path;
906 int r, n = 0;
907
908 r = sd_bus_get_property(
909 bus,
910 "org.freedesktop.systemd1",
911 unit_path,
912 "org.freedesktop.systemd1.Socket",
913 "Listen",
914 &error,
915 &reply,
916 "a(ss)");
917 if (r < 0)
918 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
919
920 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
921 if (r < 0)
922 return bus_log_parse_error(r);
923
924 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
925
926 r = strv_extend(listening, type);
927 if (r < 0)
928 return log_oom();
929
930 r = strv_extend(listening, path);
931 if (r < 0)
932 return log_oom();
933
934 n++;
935 }
936 if (r < 0)
937 return bus_log_parse_error(r);
938
939 r = sd_bus_message_exit_container(reply);
940 if (r < 0)
941 return bus_log_parse_error(r);
942
943 return n;
944 }
945
946 struct socket_info {
947 const char *machine;
948 const char* id;
949
950 char* type;
951 char* path;
952
953 /* Note: triggered is a list here, although it almost certainly
954 * will always be one unit. Nevertheless, dbus API allows for multiple
955 * values, so let's follow that. */
956 char** triggered;
957
958 /* The strv above is shared. free is set only in the first one. */
959 bool own_triggered;
960 };
961
962 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
963 int r;
964
965 assert(a);
966 assert(b);
967
968 r = strcasecmp_ptr(a->machine, b->machine);
969 if (r != 0)
970 return r;
971
972 r = strcmp(a->path, b->path);
973 if (r != 0)
974 return r;
975
976 return strcmp(a->type, b->type);
977 }
978
979 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
980 _cleanup_(table_unrefp) Table *table = NULL;
981 struct socket_info *s;
982 const char *on, *off;
983 int r;
984
985 table = table_new("listen", "type", "unit", "activates");
986 if (!table)
987 return log_oom();
988
989 if (!arg_show_types) {
990 /* Hide the second (TYPE) column */
991 r = table_set_display(table, (size_t) 0, (size_t) 2, (size_t) 3, (size_t) -1);
992 if (r < 0)
993 return log_error_errno(r, "Failed to set columns to display: %m");
994 }
995
996 table_set_header(table, !arg_no_legend);
997 if (arg_full)
998 table_set_width(table, 0);
999
1000 (void) table_set_empty_string(table, "-");
1001
1002 if (cs) {
1003 for (s = socket_infos; s < socket_infos + cs; s++) {
1004 _cleanup_free_ char *j = NULL;
1005 const char *path;
1006
1007 if (s->machine) {
1008 j = strjoin(s->machine, ":", s->path);
1009 if (!j)
1010 return log_oom();
1011 path = j;
1012 } else
1013 path = s->path;
1014
1015 r = table_add_many(table,
1016 TABLE_STRING, path,
1017 TABLE_STRING, s->type,
1018 TABLE_STRING, s->id);
1019 if (r < 0)
1020 return table_log_add_error(r);
1021
1022 if (strv_isempty(s->triggered))
1023 r = table_add_cell(table, NULL, TABLE_EMPTY, NULL);
1024 else if (strv_length(s->triggered) == 1)
1025 r = table_add_cell(table, NULL, TABLE_STRING, s->triggered[0]);
1026 else
1027 /* This should never happen, currently our socket units can only trigger a
1028 * single unit. But let's handle this anyway, who knows what the future
1029 * brings? */
1030 r = table_add_cell(table, NULL, TABLE_STRV, s->triggered);
1031 if (r < 0)
1032 return table_log_add_error(r);
1033
1034 }
1035
1036 on = ansi_highlight();
1037 off = ansi_normal();
1038 } else {
1039 on = ansi_highlight_red();
1040 off = ansi_normal();
1041 }
1042
1043 r = output_table(table);
1044 if (r < 0)
1045 return r;
1046
1047 if (!arg_no_legend) {
1048 printf("\n%s%u sockets listed.%s\n", on, cs, off);
1049 if (!arg_all)
1050 printf("Pass --all to see loaded but inactive sockets, too.\n");
1051 }
1052
1053 return 0;
1054 }
1055
1056 static int list_sockets(int argc, char *argv[], void *userdata) {
1057 _cleanup_(message_set_freep) Set *replies = NULL;
1058 _cleanup_strv_free_ char **machines = NULL;
1059 _cleanup_strv_free_ char **sockets_with_suffix = NULL;
1060 _cleanup_free_ UnitInfo *unit_infos = NULL;
1061 _cleanup_free_ struct socket_info *socket_infos = NULL;
1062 const UnitInfo *u;
1063 struct socket_info *s;
1064 unsigned cs = 0;
1065 size_t size = 0;
1066 int r = 0, n;
1067 sd_bus *bus;
1068
1069 r = acquire_bus(BUS_MANAGER, &bus);
1070 if (r < 0)
1071 return r;
1072
1073 (void) pager_open(arg_pager_flags);
1074
1075 r = expand_names(bus, strv_skip(argv, 1), ".socket", &sockets_with_suffix, NULL);
1076 if (r < 0)
1077 return r;
1078
1079 if (argc == 1 || sockets_with_suffix) {
1080 n = get_unit_list_recursive(bus, sockets_with_suffix, &unit_infos, &replies, &machines);
1081 if (n < 0)
1082 return n;
1083
1084 for (u = unit_infos; u < unit_infos + n; u++) {
1085 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
1086 int i, c;
1087
1088 if (!endswith(u->id, ".socket"))
1089 continue;
1090
1091 r = get_triggered_units(bus, u->unit_path, &triggered);
1092 if (r < 0)
1093 goto cleanup;
1094
1095 c = get_listening(bus, u->unit_path, &listening);
1096 if (c < 0) {
1097 r = c;
1098 goto cleanup;
1099 }
1100
1101 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
1102 r = log_oom();
1103 goto cleanup;
1104 }
1105
1106 for (i = 0; i < c; i++)
1107 socket_infos[cs + i] = (struct socket_info) {
1108 .machine = u->machine,
1109 .id = u->id,
1110 .type = listening[i*2],
1111 .path = listening[i*2 + 1],
1112 .triggered = triggered,
1113 .own_triggered = i==0,
1114 };
1115
1116 /* from this point on we will cleanup those socket_infos */
1117 cs += c;
1118 free(listening);
1119 listening = triggered = NULL; /* avoid cleanup */
1120 }
1121
1122 typesafe_qsort(socket_infos, cs, socket_info_compare);
1123 }
1124
1125 output_sockets_list(socket_infos, cs);
1126
1127 cleanup:
1128 assert(cs == 0 || socket_infos);
1129 for (s = socket_infos; s < socket_infos + cs; s++) {
1130 free(s->type);
1131 free(s->path);
1132 if (s->own_triggered)
1133 strv_free(s->triggered);
1134 }
1135
1136 return r;
1137 }
1138
1139 static int get_next_elapse(
1140 sd_bus *bus,
1141 const char *path,
1142 dual_timestamp *next) {
1143
1144 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1145 dual_timestamp t;
1146 int r;
1147
1148 assert(bus);
1149 assert(path);
1150 assert(next);
1151
1152 r = sd_bus_get_property_trivial(
1153 bus,
1154 "org.freedesktop.systemd1",
1155 path,
1156 "org.freedesktop.systemd1.Timer",
1157 "NextElapseUSecMonotonic",
1158 &error,
1159 't',
1160 &t.monotonic);
1161 if (r < 0)
1162 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1163
1164 r = sd_bus_get_property_trivial(
1165 bus,
1166 "org.freedesktop.systemd1",
1167 path,
1168 "org.freedesktop.systemd1.Timer",
1169 "NextElapseUSecRealtime",
1170 &error,
1171 't',
1172 &t.realtime);
1173 if (r < 0)
1174 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1175
1176 *next = t;
1177 return 0;
1178 }
1179
1180 static int get_last_trigger(
1181 sd_bus *bus,
1182 const char *path,
1183 usec_t *last) {
1184
1185 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1186 int r;
1187
1188 assert(bus);
1189 assert(path);
1190 assert(last);
1191
1192 r = sd_bus_get_property_trivial(
1193 bus,
1194 "org.freedesktop.systemd1",
1195 path,
1196 "org.freedesktop.systemd1.Timer",
1197 "LastTriggerUSec",
1198 &error,
1199 't',
1200 last);
1201 if (r < 0)
1202 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1203
1204 return 0;
1205 }
1206
1207 struct timer_info {
1208 const char* machine;
1209 const char* id;
1210 usec_t next_elapse;
1211 usec_t last_trigger;
1212 char** triggered;
1213 };
1214
1215 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1216 int r;
1217
1218 assert(a);
1219 assert(b);
1220
1221 r = strcasecmp_ptr(a->machine, b->machine);
1222 if (r != 0)
1223 return r;
1224
1225 r = CMP(a->next_elapse, b->next_elapse);
1226 if (r != 0)
1227 return r;
1228
1229 return strcmp(a->id, b->id);
1230 }
1231
1232 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1233 _cleanup_(table_unrefp) Table *table = NULL;
1234 struct timer_info *t;
1235 const char *on, *off;
1236 int r;
1237
1238 assert(timer_infos || n == 0);
1239
1240 table = table_new("next", "left", "last", "passed", "unit", "activates");
1241 if (!table)
1242 return log_oom();
1243
1244 table_set_header(table, !arg_no_legend);
1245 if (arg_full)
1246 table_set_width(table, 0);
1247
1248 (void) table_set_empty_string(table, "-");
1249
1250 if (n > 0) {
1251 for (t = timer_infos; t < timer_infos + n; t++) {
1252 _cleanup_free_ char *j = NULL, *activates = NULL;
1253 const char *unit;
1254
1255 if (t->machine) {
1256 j = strjoin(t->machine, ":", t->id);
1257 if (!j)
1258 return log_oom();
1259 unit = j;
1260 } else
1261 unit = t->id;
1262
1263 activates = strv_join(t->triggered, ", ");
1264 if (!activates)
1265 return log_oom();
1266
1267 r = table_add_many(table,
1268 TABLE_TIMESTAMP, t->next_elapse,
1269 TABLE_TIMESTAMP_RELATIVE, t->next_elapse,
1270 TABLE_TIMESTAMP, t->last_trigger,
1271 TABLE_TIMESTAMP_RELATIVE, t->last_trigger,
1272 TABLE_STRING, unit,
1273 TABLE_STRING, activates);
1274 if (r < 0)
1275 return table_log_add_error(r);
1276 }
1277
1278 on = ansi_highlight();
1279 off = ansi_normal();
1280 } else {
1281 on = ansi_highlight_red();
1282 off = ansi_normal();
1283 }
1284
1285 r = output_table(table);
1286 if (r < 0)
1287 return r;
1288
1289 if (!arg_no_legend) {
1290 printf("\n%s%u timers listed.%s\n", on, n, off);
1291 if (!arg_all)
1292 printf("Pass --all to see loaded but inactive timers, too.\n");
1293 }
1294
1295 return 0;
1296 }
1297
1298 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1299 usec_t next_elapse;
1300
1301 assert(nw);
1302 assert(next);
1303
1304 if (timestamp_is_set(next->monotonic)) {
1305 usec_t converted;
1306
1307 if (next->monotonic > nw->monotonic)
1308 converted = nw->realtime + (next->monotonic - nw->monotonic);
1309 else
1310 converted = nw->realtime - (nw->monotonic - next->monotonic);
1311
1312 if (timestamp_is_set(next->realtime))
1313 next_elapse = MIN(converted, next->realtime);
1314 else
1315 next_elapse = converted;
1316
1317 } else
1318 next_elapse = next->realtime;
1319
1320 return next_elapse;
1321 }
1322
1323 static int list_timers(int argc, char *argv[], void *userdata) {
1324 _cleanup_(message_set_freep) Set *replies = NULL;
1325 _cleanup_strv_free_ char **machines = NULL;
1326 _cleanup_strv_free_ char **timers_with_suffix = NULL;
1327 _cleanup_free_ struct timer_info *timer_infos = NULL;
1328 _cleanup_free_ UnitInfo *unit_infos = NULL;
1329 struct timer_info *t;
1330 const UnitInfo *u;
1331 size_t size = 0;
1332 int n, c = 0;
1333 dual_timestamp nw;
1334 sd_bus *bus;
1335 int r = 0;
1336
1337 r = acquire_bus(BUS_MANAGER, &bus);
1338 if (r < 0)
1339 return r;
1340
1341 (void) pager_open(arg_pager_flags);
1342
1343 r = expand_names(bus, strv_skip(argv, 1), ".timer", &timers_with_suffix, NULL);
1344 if (r < 0)
1345 return r;
1346
1347 if (argc == 1 || timers_with_suffix) {
1348 n = get_unit_list_recursive(bus, timers_with_suffix, &unit_infos, &replies, &machines);
1349 if (n < 0)
1350 return n;
1351
1352 dual_timestamp_get(&nw);
1353
1354 for (u = unit_infos; u < unit_infos + n; u++) {
1355 _cleanup_strv_free_ char **triggered = NULL;
1356 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1357 usec_t m, last = 0;
1358
1359 if (!endswith(u->id, ".timer"))
1360 continue;
1361
1362 r = get_triggered_units(bus, u->unit_path, &triggered);
1363 if (r < 0)
1364 goto cleanup;
1365
1366 r = get_next_elapse(bus, u->unit_path, &next);
1367 if (r < 0)
1368 goto cleanup;
1369
1370 get_last_trigger(bus, u->unit_path, &last);
1371
1372 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1373 r = log_oom();
1374 goto cleanup;
1375 }
1376
1377 m = calc_next_elapse(&nw, &next);
1378
1379 timer_infos[c++] = (struct timer_info) {
1380 .machine = u->machine,
1381 .id = u->id,
1382 .next_elapse = m,
1383 .last_trigger = last,
1384 .triggered = TAKE_PTR(triggered),
1385 };
1386 }
1387
1388 typesafe_qsort(timer_infos, c, timer_info_compare);
1389 }
1390
1391 output_timers_list(timer_infos, c);
1392
1393 cleanup:
1394 for (t = timer_infos; t < timer_infos + c; t++)
1395 strv_free(t->triggered);
1396
1397 return r;
1398 }
1399
1400 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1401 const char *d1, *d2;
1402
1403 d1 = strrchr(a->path, '.');
1404 d2 = strrchr(b->path, '.');
1405
1406 if (d1 && d2) {
1407 int r;
1408
1409 r = strcasecmp(d1, d2);
1410 if (r != 0)
1411 return r;
1412 }
1413
1414 return strcasecmp(basename(a->path), basename(b->path));
1415 }
1416
1417 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1418 assert(u);
1419
1420 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1421 return false;
1422
1423 if (!strv_isempty(arg_types)) {
1424 const char *dot;
1425
1426 dot = strrchr(u->path, '.');
1427 if (!dot)
1428 return false;
1429
1430 if (!strv_find(arg_types, dot+1))
1431 return false;
1432 }
1433
1434 if (!strv_isempty(states) &&
1435 !strv_find(states, unit_file_state_to_string(u->state)))
1436 return false;
1437
1438 return true;
1439 }
1440
1441 static bool show_preset_for_state(UnitFileState state) {
1442 /* Don't show preset state in those unit file states, it'll only confuse users. */
1443 return !IN_SET(state,
1444 UNIT_FILE_ALIAS,
1445 UNIT_FILE_STATIC,
1446 UNIT_FILE_GENERATED,
1447 UNIT_FILE_TRANSIENT);
1448 }
1449
1450 static int output_unit_file_list(const UnitFileList *units, unsigned c) {
1451 _cleanup_(table_unrefp) Table *table = NULL;
1452 _cleanup_(unit_file_presets_freep) UnitFilePresets presets = {};
1453 int r;
1454
1455 table = table_new("unit file", "state", "vendor preset");
1456 if (!table)
1457 return log_oom();
1458
1459 table_set_header(table, !arg_no_legend);
1460 if (arg_full)
1461 table_set_width(table, 0);
1462
1463 (void) table_set_empty_string(table, "-");
1464
1465 for (const UnitFileList *u = units; u < units + c; u++) {
1466 const char *on_underline = NULL, *on_unit_color = NULL, *id;
1467 bool underline;
1468
1469 underline = u + 1 < units + c &&
1470 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1471
1472 if (underline)
1473 on_underline = ansi_underline();
1474
1475 if (IN_SET(u->state,
1476 UNIT_FILE_MASKED,
1477 UNIT_FILE_MASKED_RUNTIME,
1478 UNIT_FILE_DISABLED,
1479 UNIT_FILE_BAD))
1480 on_unit_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1481 else if (IN_SET(u->state,
1482 UNIT_FILE_ENABLED,
1483 UNIT_FILE_ALIAS))
1484 on_unit_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1485 else
1486 on_unit_color = on_underline;
1487
1488 id = basename(u->path);
1489
1490 r = table_add_many(table,
1491 TABLE_STRING, id,
1492 TABLE_SET_BOTH_COLORS, strempty(on_underline),
1493 TABLE_STRING, unit_file_state_to_string(u->state),
1494 TABLE_SET_BOTH_COLORS, strempty(on_unit_color));
1495 if (r < 0)
1496 return table_log_add_error(r);
1497
1498 if (show_preset_for_state(u->state)) {
1499 const char *unit_preset_str, *on_preset_color;
1500
1501 r = unit_file_query_preset(arg_scope, arg_root, id, &presets);
1502 if (r < 0) {
1503 unit_preset_str = "n/a";
1504 on_preset_color = underline ? on_underline : ansi_normal();
1505 } else if (r == 0) {
1506 unit_preset_str = "disabled";
1507 on_preset_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1508 } else {
1509 unit_preset_str = "enabled";
1510 on_preset_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1511 }
1512
1513 r = table_add_many(table,
1514 TABLE_STRING, unit_preset_str,
1515 TABLE_SET_BOTH_COLORS, strempty(on_preset_color));
1516 } else
1517 r = table_add_many(table,
1518 TABLE_EMPTY,
1519 TABLE_SET_BOTH_COLORS, underline ? ansi_grey_underline() : ansi_grey());
1520 if (r < 0)
1521 return table_log_add_error(r);
1522 }
1523
1524 r = output_table(table);
1525 if (r < 0)
1526 return r;
1527
1528 if (!arg_no_legend)
1529 printf("\n%u unit files listed.\n", c);
1530
1531 return 0;
1532 }
1533
1534 static int list_unit_files(int argc, char *argv[], void *userdata) {
1535 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1536 _cleanup_free_ UnitFileList *units = NULL;
1537 UnitFileList *unit;
1538 size_t size = 0;
1539 unsigned c = 0;
1540 const char *state;
1541 char *path;
1542 int r;
1543 bool fallback = false;
1544
1545 if (install_client_side()) {
1546 Hashmap *h;
1547 UnitFileList *u;
1548 Iterator i;
1549 unsigned n_units;
1550
1551 h = hashmap_new(&string_hash_ops);
1552 if (!h)
1553 return log_oom();
1554
1555 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1556 if (r < 0) {
1557 unit_file_list_free(h);
1558 return log_error_errno(r, "Failed to get unit file list: %m");
1559 }
1560
1561 n_units = hashmap_size(h);
1562
1563 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1564 if (!units) {
1565 unit_file_list_free(h);
1566 return log_oom();
1567 }
1568
1569 HASHMAP_FOREACH(u, h, i) {
1570 if (!output_show_unit_file(u, NULL, NULL))
1571 continue;
1572
1573 units[c++] = *u;
1574 free(u);
1575 }
1576
1577 assert(c <= n_units);
1578 hashmap_free(h);
1579
1580 r = 0;
1581 } else {
1582 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1583 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1584 sd_bus *bus;
1585
1586 r = acquire_bus(BUS_MANAGER, &bus);
1587 if (r < 0)
1588 return r;
1589
1590 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "ListUnitFilesByPatterns");
1591 if (r < 0)
1592 return bus_log_create_error(r);
1593
1594 r = sd_bus_message_append_strv(m, arg_states);
1595 if (r < 0)
1596 return bus_log_create_error(r);
1597
1598 if (arg_with_dependencies) {
1599 _cleanup_strv_free_ char **names_with_deps = NULL;
1600
1601 r = append_unit_dependencies(bus, strv_skip(argv, 1), &names_with_deps);
1602 if (r < 0)
1603 return log_error_errno(r, "Failed to append unit dependencies: %m");
1604
1605 r = sd_bus_message_append_strv(m, names_with_deps);
1606 if (r < 0)
1607 return bus_log_create_error(r);
1608 } else {
1609 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1610 if (r < 0)
1611 return bus_log_create_error(r);
1612 }
1613
1614 r = sd_bus_call(bus, m, 0, &error, &reply);
1615 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1616 /* Fallback to legacy ListUnitFiles method */
1617 fallback = true;
1618 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1619 m = sd_bus_message_unref(m);
1620 sd_bus_error_free(&error);
1621
1622 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "ListUnitFiles");
1623 if (r < 0)
1624 return bus_log_create_error(r);
1625
1626 r = sd_bus_call(bus, m, 0, &error, &reply);
1627 }
1628 if (r < 0)
1629 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1630
1631 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1632 if (r < 0)
1633 return bus_log_parse_error(r);
1634
1635 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1636
1637 if (!GREEDY_REALLOC(units, size, c + 1))
1638 return log_oom();
1639
1640 units[c] = (struct UnitFileList) {
1641 path,
1642 unit_file_state_from_string(state)
1643 };
1644
1645 if (output_show_unit_file(&units[c],
1646 fallback ? arg_states : NULL,
1647 fallback ? strv_skip(argv, 1) : NULL))
1648 c++;
1649
1650 }
1651 if (r < 0)
1652 return bus_log_parse_error(r);
1653
1654 r = sd_bus_message_exit_container(reply);
1655 if (r < 0)
1656 return bus_log_parse_error(r);
1657 }
1658
1659 (void) pager_open(arg_pager_flags);
1660
1661 typesafe_qsort(units, c, compare_unit_file_list);
1662 r = output_unit_file_list(units, c);
1663 if (r < 0)
1664 return r;
1665
1666 if (install_client_side())
1667 for (unit = units; unit < units + c; unit++)
1668 free(unit->path);
1669
1670 if (c == 0)
1671 return -ENOENT;
1672
1673 return 0;
1674 }
1675
1676 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1677 _cleanup_free_ char *n = NULL;
1678 size_t max_len = MAX(columns(),20u);
1679 size_t len = 0;
1680 int i;
1681
1682 if (!arg_plain) {
1683
1684 for (i = level - 1; i >= 0; i--) {
1685 len += 2;
1686 if (len > max_len - 3 && !arg_full) {
1687 printf("%s...\n",max_len % 2 ? "" : " ");
1688 return 0;
1689 }
1690 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1691 }
1692 len += 2;
1693
1694 if (len > max_len - 3 && !arg_full) {
1695 printf("%s...\n",max_len % 2 ? "" : " ");
1696 return 0;
1697 }
1698
1699 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1700 }
1701
1702 if (arg_full) {
1703 printf("%s\n", name);
1704 return 0;
1705 }
1706
1707 n = ellipsize(name, max_len-len, 100);
1708 if (!n)
1709 return log_oom();
1710
1711 printf("%s\n", n);
1712 return 0;
1713 }
1714
1715 static int list_dependencies_compare(char * const *a, char * const *b) {
1716 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1717 return 1;
1718 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1719 return -1;
1720
1721 return strcasecmp(*a, *b);
1722 }
1723
1724 static int list_dependencies_one(
1725 sd_bus *bus,
1726 const char *name,
1727 int level,
1728 char ***units,
1729 unsigned branches) {
1730
1731 _cleanup_strv_free_ char **deps = NULL;
1732 char **c;
1733 int r = 0;
1734
1735 assert(bus);
1736 assert(name);
1737 assert(units);
1738
1739 r = strv_extend(units, name);
1740 if (r < 0)
1741 return log_oom();
1742
1743 r = list_dependencies_get_dependencies(bus, name, &deps);
1744 if (r < 0)
1745 return r;
1746
1747 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1748
1749 STRV_FOREACH(c, deps) {
1750 if (strv_contains(*units, *c)) {
1751 if (!arg_plain) {
1752 printf(" ");
1753 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1754 if (r < 0)
1755 return r;
1756 }
1757 continue;
1758 }
1759
1760 if (arg_plain)
1761 printf(" ");
1762 else {
1763 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1764 const char *on;
1765
1766 (void) get_state_one_unit(bus, *c, &active_state);
1767
1768 switch (active_state) {
1769 case UNIT_ACTIVE:
1770 case UNIT_RELOADING:
1771 case UNIT_ACTIVATING:
1772 on = ansi_highlight_green();
1773 break;
1774
1775 case UNIT_INACTIVE:
1776 case UNIT_DEACTIVATING:
1777 on = ansi_normal();
1778 break;
1779
1780 default:
1781 on = ansi_highlight_red();
1782 break;
1783 }
1784
1785 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1786 }
1787
1788 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1789 if (r < 0)
1790 return r;
1791
1792 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1793 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1794 if (r < 0)
1795 return r;
1796 }
1797 }
1798
1799 if (!arg_plain)
1800 strv_remove(*units, name);
1801
1802 return 0;
1803 }
1804
1805 static int list_dependencies(int argc, char *argv[], void *userdata) {
1806 _cleanup_strv_free_ char **units = NULL, **done = NULL;
1807 char **u, **patterns;
1808 sd_bus *bus;
1809 int r;
1810
1811 r = acquire_bus(BUS_MANAGER, &bus);
1812 if (r < 0)
1813 return r;
1814
1815 patterns = strv_skip(argv, 1);
1816 if (strv_isempty(patterns)) {
1817 units = strv_new(SPECIAL_DEFAULT_TARGET);
1818 if (!units)
1819 return log_oom();
1820 } else {
1821 r = expand_names(bus, patterns, NULL, &units, NULL);
1822 if (r < 0)
1823 return log_error_errno(r, "Failed to expand names: %m");
1824 }
1825
1826 (void) pager_open(arg_pager_flags);
1827
1828 STRV_FOREACH(u, units) {
1829 if (u != units)
1830 puts("");
1831
1832 puts(*u);
1833 r = list_dependencies_one(bus, *u, 0, &done, 0);
1834 if (r < 0)
1835 return r;
1836 }
1837
1838 return 0;
1839 }
1840
1841 struct machine_info {
1842 bool is_host;
1843 char *name;
1844 char *state;
1845 char *control_group;
1846 uint32_t n_failed_units;
1847 uint32_t n_jobs;
1848 usec_t timestamp;
1849 };
1850
1851 static const struct bus_properties_map machine_info_property_map[] = {
1852 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1853 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1854 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1855 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1856 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1857 {}
1858 };
1859
1860 static void machine_info_clear(struct machine_info *info) {
1861 assert(info);
1862
1863 free(info->name);
1864 free(info->state);
1865 free(info->control_group);
1866 zero(*info);
1867 }
1868
1869 static void free_machines_list(struct machine_info *machine_infos, int n) {
1870 int i;
1871
1872 if (!machine_infos)
1873 return;
1874
1875 for (i = 0; i < n; i++)
1876 machine_info_clear(&machine_infos[i]);
1877
1878 free(machine_infos);
1879 }
1880
1881 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1882 int r;
1883
1884 r = CMP(b->is_host, a->is_host);
1885 if (r != 0)
1886 return r;
1887
1888 return strcasecmp(a->name, b->name);
1889 }
1890
1891 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1892 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1893 int r;
1894
1895 assert(mi);
1896
1897 if (!bus) {
1898 r = sd_bus_open_system_machine(&container, mi->name);
1899 if (r < 0)
1900 return r;
1901
1902 bus = container;
1903 }
1904
1905 r = bus_map_all_properties(
1906 bus,
1907 "org.freedesktop.systemd1",
1908 "/org/freedesktop/systemd1",
1909 machine_info_property_map,
1910 BUS_MAP_STRDUP,
1911 NULL,
1912 NULL,
1913 mi);
1914 if (r < 0)
1915 return r;
1916
1917 return 0;
1918 }
1919
1920 static bool output_show_machine(const char *name, char **patterns) {
1921 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1922 }
1923
1924 static int get_machine_list(
1925 sd_bus *bus,
1926 struct machine_info **_machine_infos,
1927 char **patterns) {
1928
1929 struct machine_info *machine_infos = NULL;
1930 _cleanup_strv_free_ char **m = NULL;
1931 _cleanup_free_ char *hn = NULL;
1932 size_t sz = 0;
1933 char **i;
1934 int c = 0, r;
1935
1936 hn = gethostname_malloc();
1937 if (!hn)
1938 return log_oom();
1939
1940 if (output_show_machine(hn, patterns)) {
1941 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1942 return log_oom();
1943
1944 machine_infos[c].is_host = true;
1945 machine_infos[c].name = TAKE_PTR(hn);
1946
1947 (void) get_machine_properties(bus, &machine_infos[c]);
1948 c++;
1949 }
1950
1951 r = sd_get_machine_names(&m);
1952 if (r < 0)
1953 return log_error_errno(r, "Failed to get machine list: %m");
1954
1955 STRV_FOREACH(i, m) {
1956 _cleanup_free_ char *class = NULL;
1957
1958 if (!output_show_machine(*i, patterns))
1959 continue;
1960
1961 sd_machine_get_class(*i, &class);
1962 if (!streq_ptr(class, "container"))
1963 continue;
1964
1965 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1966 free_machines_list(machine_infos, c);
1967 return log_oom();
1968 }
1969
1970 machine_infos[c].is_host = false;
1971 machine_infos[c].name = strdup(*i);
1972 if (!machine_infos[c].name) {
1973 free_machines_list(machine_infos, c);
1974 return log_oom();
1975 }
1976
1977 (void) get_machine_properties(NULL, &machine_infos[c]);
1978 c++;
1979 }
1980
1981 *_machine_infos = machine_infos;
1982 return c;
1983 }
1984
1985 static int output_machines_list(struct machine_info *machine_infos, unsigned n) {
1986 _cleanup_(table_unrefp) Table *table = NULL;
1987 struct machine_info *m;
1988 bool state_missing = false;
1989 int r;
1990
1991 assert(machine_infos || n == 0);
1992
1993 table = table_new("", "name", "state", "failed", "jobs");
1994 if (!table)
1995 return log_oom();
1996
1997 table_set_header(table, !arg_no_legend);
1998 if (arg_plain) {
1999 /* Hide the 'glyph' column when --plain is requested */
2000 r = table_hide_column_from_display(table, 0);
2001 if (r < 0)
2002 return log_error_errno(r, "Failed to hide column: %m");
2003 }
2004 if (arg_full)
2005 table_set_width(table, 0);
2006
2007 (void) table_set_empty_string(table, "-");
2008
2009 for (m = machine_infos; m < machine_infos + n; m++) {
2010 _cleanup_free_ char *mname = NULL;
2011 const char *on_state = "", *on_failed = "";
2012 bool circle = false;
2013
2014 if (streq_ptr(m->state, "degraded")) {
2015 on_state = ansi_highlight_red();
2016 circle = true;
2017 } else if (!streq_ptr(m->state, "running")) {
2018 on_state = ansi_highlight_yellow();
2019 circle = true;
2020 }
2021
2022 if (m->n_failed_units > 0)
2023 on_failed = ansi_highlight_red();
2024 else
2025 on_failed = "";
2026
2027 if (!m->state)
2028 state_missing = true;
2029
2030 if (m->is_host)
2031 mname = strjoin(strna(m->name), " (host)");
2032
2033 r = table_add_many(table,
2034 TABLE_STRING, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ",
2035 TABLE_SET_COLOR, on_state,
2036 TABLE_STRING, m->is_host ? mname : strna(m->name),
2037 TABLE_STRING, strna(m->state),
2038 TABLE_SET_COLOR, on_state,
2039 TABLE_UINT32, m->n_failed_units,
2040 TABLE_SET_COLOR, on_failed,
2041 TABLE_UINT32, m->n_jobs);
2042 if (r < 0)
2043 return table_log_add_error(r);
2044 }
2045
2046 r = output_table(table);
2047 if (r < 0)
2048 return r;
2049
2050 if (!arg_no_legend) {
2051 printf("\n");
2052 if (state_missing && geteuid() != 0)
2053 printf("Notice: some information only available to privileged users was not shown.\n");
2054 printf("%u machines listed.\n", n);
2055 }
2056
2057 return 0;
2058 }
2059
2060 static int list_machines(int argc, char *argv[], void *userdata) {
2061 struct machine_info *machine_infos = NULL;
2062 sd_bus *bus;
2063 int r, rc;
2064
2065 r = acquire_bus(BUS_MANAGER, &bus);
2066 if (r < 0)
2067 return r;
2068
2069 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2070 if (r < 0)
2071 return r;
2072
2073 (void) pager_open(arg_pager_flags);
2074
2075 typesafe_qsort(machine_infos, r, compare_machine_info);
2076 rc = output_machines_list(machine_infos, r);
2077 free_machines_list(machine_infos, r);
2078
2079 return rc;
2080 }
2081
2082 static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
2083 char **ret = data;
2084
2085 if (streq(key, "systemd.unit")) {
2086 if (proc_cmdline_value_missing(key, value))
2087 return 0;
2088 if (!unit_name_is_valid(value, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE))
2089 return log_warning("Unit name specified on %s= is not valid, ignoring: %s", key, value);
2090
2091 return free_and_strdup_warn(ret, key);
2092
2093 } else if (!value) {
2094 if (runlevel_to_target(key))
2095 return free_and_strdup_warn(ret, key);
2096 }
2097
2098 return 0;
2099 }
2100
2101 static void emit_cmdline_warning(void) {
2102 if (arg_quiet || arg_root)
2103 /* don't bother checking the commandline if we're operating on a container */
2104 return;
2105
2106 _cleanup_free_ char *override = NULL;
2107 int r;
2108
2109 r = proc_cmdline_parse(parse_proc_cmdline_item, &override, 0);
2110 if (r < 0)
2111 log_debug_errno(r, "Failed to parse kernel command line, ignoring: %m");
2112 if (override)
2113 log_notice("Note: found \"%s\" on the kernel commandline, which overrides the default unit.",
2114 override);
2115 }
2116
2117 static int determine_default(char **ret_name) {
2118 int r;
2119
2120 if (install_client_side()) {
2121 r = unit_file_get_default(arg_scope, arg_root, ret_name);
2122 if (r < 0)
2123 return log_error_errno(r, "Failed to get default target: %m");
2124 return 0;
2125
2126 } else {
2127 sd_bus *bus;
2128 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2129 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2130 const char *name;
2131
2132 r = acquire_bus(BUS_MANAGER, &bus);
2133 if (r < 0)
2134 return r;
2135
2136 r = bus_call_method(bus, bus_systemd_mgr, "GetDefaultTarget", &error, &reply, NULL);
2137 if (r < 0)
2138 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2139
2140 r = sd_bus_message_read(reply, "s", &name);
2141 if (r < 0)
2142 return bus_log_parse_error(r);
2143
2144 return free_and_strdup_warn(ret_name, name);
2145 }
2146 }
2147
2148 static int get_default(int argc, char *argv[], void *userdata) {
2149 _cleanup_free_ char *name = NULL;
2150 int r;
2151
2152 r = determine_default(&name);
2153 if (r < 0)
2154 return r;
2155
2156 printf("%s\n", name);
2157
2158 emit_cmdline_warning();
2159
2160 return 0;
2161 }
2162
2163 static int set_default(int argc, char *argv[], void *userdata) {
2164 _cleanup_free_ char *unit = NULL;
2165 UnitFileChange *changes = NULL;
2166 size_t n_changes = 0;
2167 int r;
2168
2169 assert(argc >= 2);
2170 assert(argv);
2171
2172 r = unit_name_mangle_with_suffix(argv[1], "set-default",
2173 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
2174 ".target", &unit);
2175 if (r < 0)
2176 return log_error_errno(r, "Failed to mangle unit name: %m");
2177
2178 if (install_client_side()) {
2179 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2180 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2181
2182 if (r > 0)
2183 r = 0;
2184 } else {
2185 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2186 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2187 sd_bus *bus;
2188
2189 polkit_agent_open_maybe();
2190
2191 r = acquire_bus(BUS_MANAGER, &bus);
2192 if (r < 0)
2193 return r;
2194
2195 r = bus_call_method(bus, bus_systemd_mgr, "SetDefaultTarget", &error, &reply, "sb", unit, 1);
2196 if (r < 0)
2197 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2198
2199 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2200 if (r < 0)
2201 goto finish;
2202
2203 /* Try to reload if enabled */
2204 if (!arg_no_reload)
2205 r = daemon_reload(argc, argv, userdata);
2206 else
2207 r = 0;
2208 }
2209
2210 emit_cmdline_warning();
2211
2212 if (!arg_quiet) {
2213 _cleanup_free_ char *final = NULL;
2214
2215 r = determine_default(&final);
2216 if (r < 0)
2217 return r;
2218
2219 if (!streq(final, unit))
2220 log_notice("Note: \"%s\" is the default unit (possibly a runtime override).", final);
2221 }
2222
2223 finish:
2224 unit_file_changes_free(changes, n_changes);
2225
2226 return r;
2227 }
2228
2229 static int output_waiting_jobs(sd_bus *bus, Table *table, uint32_t id, const char *method, const char *prefix) {
2230 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2231 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2232 const char *name, *type;
2233 uint32_t other_id;
2234 int r;
2235
2236 assert(bus);
2237
2238 r = bus_call_method(bus, bus_systemd_mgr, method, &error, &reply, "u", id);
2239 if (r < 0)
2240 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2241
2242 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2243 if (r < 0)
2244 return bus_log_parse_error(r);
2245
2246 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0) {
2247 _cleanup_free_ char *row = NULL;
2248 int rc;
2249
2250 if (asprintf(&row, "%s %u (%s/%s)", prefix, other_id, name, type) < 0)
2251 return log_oom();
2252
2253 rc = table_add_many(table,
2254 TABLE_STRING, special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
2255 TABLE_STRING, row,
2256 TABLE_EMPTY,
2257 TABLE_EMPTY);
2258 if (rc < 0)
2259 return table_log_add_error(r);
2260 }
2261
2262 if (r < 0)
2263 return bus_log_parse_error(r);
2264
2265 r = sd_bus_message_exit_container(reply);
2266 if (r < 0)
2267 return bus_log_parse_error(r);
2268
2269 return 0;
2270 }
2271
2272 struct job_info {
2273 uint32_t id;
2274 const char *name, *type, *state;
2275 };
2276
2277 static int output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2278 _cleanup_(table_unrefp) Table *table = NULL;
2279 const struct job_info *j;
2280 const char *on, *off;
2281 int r;
2282
2283 assert(n == 0 || jobs);
2284
2285 if (n == 0) {
2286 if (!arg_no_legend) {
2287 on = ansi_highlight_green();
2288 off = ansi_normal();
2289
2290 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2291 }
2292 return 0;
2293 }
2294
2295 (void) pager_open(arg_pager_flags);
2296
2297 table = table_new("job", "unit", "type", "state");
2298 if (!table)
2299 return log_oom();
2300
2301 table_set_header(table, !arg_no_legend);
2302 if (arg_full)
2303 table_set_width(table, 0);
2304
2305 (void) table_set_empty_string(table, "-");
2306
2307 for (j = jobs; j < jobs + n; j++) {
2308 if (streq(j->state, "running"))
2309 on = ansi_highlight();
2310 else
2311 on = "";
2312
2313 r = table_add_many(table,
2314 TABLE_UINT, j->id,
2315 TABLE_STRING, j->name,
2316 TABLE_SET_COLOR, on,
2317 TABLE_STRING, j->type,
2318 TABLE_STRING, j->state,
2319 TABLE_SET_COLOR, on);
2320 if (r < 0)
2321 return table_log_add_error(r);
2322
2323 if (arg_jobs_after)
2324 output_waiting_jobs(bus, table, j->id, "GetJobAfter", "\twaiting for job");
2325 if (arg_jobs_before)
2326 output_waiting_jobs(bus, table, j->id, "GetJobBefore", "\tblocking job");
2327 }
2328
2329 r = table_print(table, NULL);
2330 if (r < 0)
2331 return log_error_errno(r, "Failed to print the table: %m");
2332
2333 if (!arg_no_legend) {
2334 on = ansi_highlight();
2335 off = ansi_normal();
2336
2337 printf("\n%s%u jobs listed%s.\n", on, n, off);
2338 }
2339
2340 return 0;
2341 }
2342
2343 static bool output_show_job(struct job_info *job, char **patterns) {
2344 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2345 }
2346
2347 static int list_jobs(int argc, char *argv[], void *userdata) {
2348 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2349 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2350 _cleanup_free_ struct job_info *jobs = NULL;
2351 const char *name, *type, *state;
2352 bool skipped = false;
2353 size_t size = 0;
2354 unsigned c = 0;
2355 sd_bus *bus;
2356 uint32_t id;
2357 int r;
2358
2359 r = acquire_bus(BUS_MANAGER, &bus);
2360 if (r < 0)
2361 return r;
2362
2363 r = bus_call_method(bus, bus_systemd_mgr, "ListJobs", &error, &reply, NULL);
2364 if (r < 0)
2365 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2366
2367 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2368 if (r < 0)
2369 return bus_log_parse_error(r);
2370
2371 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2372 struct job_info job = { id, name, type, state };
2373
2374 if (!output_show_job(&job, strv_skip(argv, 1))) {
2375 skipped = true;
2376 continue;
2377 }
2378
2379 if (!GREEDY_REALLOC(jobs, size, c + 1))
2380 return log_oom();
2381
2382 jobs[c++] = job;
2383 }
2384 if (r < 0)
2385 return bus_log_parse_error(r);
2386
2387 r = sd_bus_message_exit_container(reply);
2388 if (r < 0)
2389 return bus_log_parse_error(r);
2390
2391 (void) pager_open(arg_pager_flags);
2392
2393 return output_jobs_list(bus, jobs, c, skipped);
2394 }
2395
2396 static int cancel_job(int argc, char *argv[], void *userdata) {
2397 sd_bus *bus;
2398 char **name;
2399 int r = 0;
2400
2401 if (argc <= 1)
2402 return trivial_method(argc, argv, userdata);
2403
2404 r = acquire_bus(BUS_MANAGER, &bus);
2405 if (r < 0)
2406 return r;
2407
2408 polkit_agent_open_maybe();
2409
2410 STRV_FOREACH(name, strv_skip(argv, 1)) {
2411 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2412 uint32_t id;
2413 int q;
2414
2415 q = safe_atou32(*name, &id);
2416 if (q < 0)
2417 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2418
2419 q = bus_call_method(bus, bus_systemd_mgr, "CancelJob", &error, NULL, "u", id);
2420 if (q < 0) {
2421 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2422 if (r == 0)
2423 r = q;
2424 }
2425 }
2426
2427 return r;
2428 }
2429
2430 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2431 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2432 const char *path;
2433 int b, r;
2434
2435 /* We ignore all errors here, since this is used to show a
2436 * warning only */
2437
2438 /* We don't use unit_dbus_path_from_name() directly since we
2439 * don't want to load the unit if it isn't loaded. */
2440
2441 r = bus_call_method(bus, bus_systemd_mgr, "GetUnit", NULL, &reply, "s", unit);
2442 if (r < 0)
2443 return r;
2444
2445 r = sd_bus_message_read(reply, "o", &path);
2446 if (r < 0)
2447 return r;
2448
2449 r = sd_bus_get_property_trivial(
2450 bus,
2451 "org.freedesktop.systemd1",
2452 path,
2453 "org.freedesktop.systemd1.Unit",
2454 "NeedDaemonReload",
2455 NULL,
2456 'b', &b);
2457 if (r < 0)
2458 return r;
2459
2460 return b;
2461 }
2462
2463 static void warn_unit_file_changed(const char *name) {
2464 assert(name);
2465
2466 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.",
2467 ansi_highlight_red(),
2468 ansi_normal(),
2469 name,
2470 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2471 }
2472
2473 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2474 char **p;
2475
2476 assert(lp);
2477 assert(unit_name);
2478
2479 STRV_FOREACH(p, lp->search_path) {
2480 _cleanup_free_ char *path = NULL, *lpath = NULL;
2481 int r;
2482
2483 path = path_join(*p, unit_name);
2484 if (!path)
2485 return log_oom();
2486
2487 r = chase_symlinks(path, arg_root, 0, &lpath, NULL);
2488 if (r == -ENOENT)
2489 continue;
2490 if (r == -ENOMEM)
2491 return log_oom();
2492 if (r < 0)
2493 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2494
2495 if (ret_unit_path)
2496 *ret_unit_path = TAKE_PTR(lpath);
2497
2498 return 1;
2499 }
2500
2501 if (ret_unit_path)
2502 *ret_unit_path = NULL;
2503
2504 return 0;
2505 }
2506
2507 static int unit_find_template_path(
2508 const char *unit_name,
2509 LookupPaths *lp,
2510 char **ret_fragment_path,
2511 char **ret_template) {
2512
2513 _cleanup_free_ char *t = NULL, *f = NULL;
2514 int r;
2515
2516 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2517
2518 r = unit_file_find_path(lp, unit_name, &f);
2519 if (r < 0)
2520 return r;
2521 if (r > 0) {
2522 if (ret_fragment_path)
2523 *ret_fragment_path = TAKE_PTR(f);
2524 if (ret_template)
2525 *ret_template = NULL;
2526 return r; /* found a real unit */
2527 }
2528
2529 r = unit_name_template(unit_name, &t);
2530 if (r == -EINVAL) {
2531 if (ret_fragment_path)
2532 *ret_fragment_path = NULL;
2533 if (ret_template)
2534 *ret_template = NULL;
2535
2536 return 0; /* not a template, does not exist */
2537 }
2538 if (r < 0)
2539 return log_error_errno(r, "Failed to determine template name: %m");
2540
2541 r = unit_file_find_path(lp, t, ret_fragment_path);
2542 if (r < 0)
2543 return r;
2544
2545 if (ret_template)
2546 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2547
2548 return r;
2549 }
2550
2551 static int unit_find_paths(
2552 sd_bus *bus,
2553 const char *unit_name,
2554 LookupPaths *lp,
2555 bool force_client_side,
2556 char **ret_fragment_path,
2557 char ***ret_dropin_paths) {
2558
2559 _cleanup_strv_free_ char **dropins = NULL;
2560 _cleanup_free_ char *path = NULL;
2561 int r;
2562
2563 /**
2564 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2565 * found, and sets:
2566 * - the path to the unit in *ret_frament_path, if it exists on disk,
2567 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2568 * were found.
2569 *
2570 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2571 * some reason (the latter only applies if we are going through the service manager).
2572 */
2573
2574 assert(unit_name);
2575 assert(ret_fragment_path);
2576 assert(lp);
2577
2578 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2579 if (!force_client_side &&
2580 !install_client_side() &&
2581 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2582 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2583 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2584
2585 dbus_path = unit_dbus_path_from_name(unit_name);
2586 if (!dbus_path)
2587 return log_oom();
2588
2589 r = sd_bus_get_property_string(
2590 bus,
2591 "org.freedesktop.systemd1",
2592 dbus_path,
2593 "org.freedesktop.systemd1.Unit",
2594 "LoadState",
2595 &error,
2596 &load_state);
2597 if (r < 0)
2598 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2599
2600 if (streq(load_state, "masked"))
2601 return -ERFKILL;
2602 if (streq(load_state, "not-found")) {
2603 r = 0;
2604 goto not_found;
2605 }
2606 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2607 return -EKEYREJECTED;
2608
2609 r = sd_bus_get_property_string(
2610 bus,
2611 "org.freedesktop.systemd1",
2612 dbus_path,
2613 "org.freedesktop.systemd1.Unit",
2614 "FragmentPath",
2615 &error,
2616 &path);
2617 if (r < 0)
2618 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2619
2620 if (ret_dropin_paths) {
2621 r = sd_bus_get_property_strv(
2622 bus,
2623 "org.freedesktop.systemd1",
2624 dbus_path,
2625 "org.freedesktop.systemd1.Unit",
2626 "DropInPaths",
2627 &error,
2628 &dropins);
2629 if (r < 0)
2630 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2631 }
2632 } else {
2633 const char *_path;
2634 _cleanup_set_free_free_ Set *names = NULL;
2635
2636 if (!cached_name_map) {
2637 r = unit_file_build_name_map(lp, NULL, &cached_id_map, &cached_name_map, NULL);
2638 if (r < 0)
2639 return r;
2640 }
2641
2642 r = unit_file_find_fragment(cached_id_map, cached_name_map, unit_name, &_path, &names);
2643 if (r < 0)
2644 return r;
2645
2646 if (_path) {
2647 path = strdup(_path);
2648 if (!path)
2649 return log_oom();
2650 }
2651
2652 if (ret_dropin_paths) {
2653 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2654 ".d", ".conf",
2655 NULL, names, &dropins);
2656 if (r < 0)
2657 return r;
2658 }
2659 }
2660
2661 if (isempty(path)) {
2662 *ret_fragment_path = NULL;
2663 r = 0;
2664 } else {
2665 *ret_fragment_path = TAKE_PTR(path);
2666 r = 1;
2667 }
2668
2669 if (ret_dropin_paths) {
2670 if (!strv_isempty(dropins)) {
2671 *ret_dropin_paths = TAKE_PTR(dropins);
2672 r = 1;
2673 } else
2674 *ret_dropin_paths = NULL;
2675 }
2676
2677 not_found:
2678 if (r == 0 && !arg_force)
2679 log_error("No files found for %s.", unit_name);
2680
2681 return r;
2682 }
2683
2684 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2685 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2686 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2687 UnitActiveState state;
2688 int r;
2689
2690 assert(name);
2691 assert(active_state);
2692
2693 dbus_path = unit_dbus_path_from_name(name);
2694 if (!dbus_path)
2695 return log_oom();
2696
2697 r = sd_bus_get_property_string(
2698 bus,
2699 "org.freedesktop.systemd1",
2700 dbus_path,
2701 "org.freedesktop.systemd1.Unit",
2702 "ActiveState",
2703 &error,
2704 &buf);
2705 if (r < 0)
2706 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2707
2708 state = unit_active_state_from_string(buf);
2709 if (state < 0)
2710 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2711
2712 *active_state = state;
2713 return 0;
2714 }
2715
2716 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2717 _cleanup_free_ char *load_state = NULL;
2718 int r;
2719
2720 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2721 _cleanup_free_ char *path = NULL;
2722
2723 /* A template cannot be loaded, but it can be still masked, so
2724 * we need to use a different method. */
2725
2726 r = unit_file_find_path(lp, name, &path);
2727 if (r < 0)
2728 return r;
2729 if (r == 0)
2730 return false;
2731 return null_or_empty_path(path);
2732 }
2733
2734 r = unit_load_state(bus, name, &load_state);
2735 if (r < 0)
2736 return r;
2737
2738 return streq(load_state, "masked");
2739 }
2740
2741 static int check_triggering_units(sd_bus *bus, const char *name) {
2742 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2743 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2744 _cleanup_strv_free_ char **triggered_by = NULL;
2745 bool print_warning_label = true;
2746 UnitActiveState active_state;
2747 char **i;
2748 int r;
2749
2750 r = unit_name_mangle(name, 0, &n);
2751 if (r < 0)
2752 return log_error_errno(r, "Failed to mangle unit name: %m");
2753
2754 r = unit_load_state(bus, name, &load_state);
2755 if (r < 0)
2756 return r;
2757
2758 if (streq(load_state, "masked"))
2759 return 0;
2760
2761 dbus_path = unit_dbus_path_from_name(n);
2762 if (!dbus_path)
2763 return log_oom();
2764
2765 r = sd_bus_get_property_strv(
2766 bus,
2767 "org.freedesktop.systemd1",
2768 dbus_path,
2769 "org.freedesktop.systemd1.Unit",
2770 "TriggeredBy",
2771 &error,
2772 &triggered_by);
2773 if (r < 0)
2774 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2775
2776 STRV_FOREACH(i, triggered_by) {
2777 r = get_state_one_unit(bus, *i, &active_state);
2778 if (r < 0)
2779 return r;
2780
2781 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2782 continue;
2783
2784 if (print_warning_label) {
2785 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2786 print_warning_label = false;
2787 }
2788
2789 log_warning(" %s", *i);
2790 }
2791
2792 return 0;
2793 }
2794
2795 static const struct {
2796 const char *verb; /* systemctl verb */
2797 const char *method; /* Name of the specific D-Bus method */
2798 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2799 } unit_actions[] = {
2800 { "start", "StartUnit", "start" },
2801 { "stop", "StopUnit", "stop" },
2802 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2803 { "reload", "ReloadUnit", "reload" },
2804 { "restart", "RestartUnit", "restart" },
2805 { "try-restart", "TryRestartUnit", "try-restart" },
2806 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2807 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2808 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2809 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2810 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2811 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2812 };
2813
2814 static const char *verb_to_method(const char *verb) {
2815 size_t i;
2816
2817 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2818 if (streq_ptr(unit_actions[i].verb, verb))
2819 return unit_actions[i].method;
2820
2821 return "StartUnit";
2822 }
2823
2824 static const char *verb_to_job_type(const char *verb) {
2825 size_t i;
2826
2827 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2828 if (streq_ptr(unit_actions[i].verb, verb))
2829 return unit_actions[i].job_type;
2830
2831 return "start";
2832 }
2833
2834 static int start_unit_one(
2835 sd_bus *bus,
2836 const char *method, /* When using classic per-job bus methods */
2837 const char *job_type, /* When using new-style EnqueueUnitJob() */
2838 const char *name,
2839 const char *mode,
2840 sd_bus_error *error,
2841 BusWaitForJobs *w,
2842 BusWaitForUnits *wu) {
2843
2844 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2845 const char *path;
2846 bool done = false;
2847 int r;
2848
2849 assert(method);
2850 assert(name);
2851 assert(mode);
2852 assert(error);
2853
2854 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2855 arg_dry_run ? "Would execute" : "Executing",
2856 method, name, mode);
2857
2858 if (arg_dry_run)
2859 return 0;
2860
2861 if (arg_show_transaction) {
2862 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2863
2864 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2865 r = bus_call_method(
2866 bus,
2867 bus_systemd_mgr,
2868 "EnqueueUnitJob",
2869 &enqueue_error,
2870 &reply,
2871 "sss",
2872 name, job_type, mode);
2873 if (r < 0) {
2874 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2875 (void) sd_bus_error_move(error, &enqueue_error);
2876 goto fail;
2877 }
2878
2879 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2880 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2881 } else {
2882 const char *u, *jt;
2883 uint32_t id;
2884
2885 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2886 if (r < 0)
2887 return bus_log_parse_error(r);
2888
2889 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2890
2891 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2892 if (r < 0)
2893 return bus_log_parse_error(r);
2894 for (;;) {
2895 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2896 if (r < 0)
2897 return bus_log_parse_error(r);
2898 if (r == 0)
2899 break;
2900
2901 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2902 }
2903
2904 r = sd_bus_message_exit_container(reply);
2905 if (r < 0)
2906 return bus_log_parse_error(r);
2907
2908 done = true;
2909 }
2910 }
2911
2912 if (!done) {
2913 r = bus_call_method(bus, bus_systemd_mgr, method, error, &reply, "ss", name, mode);
2914 if (r < 0)
2915 goto fail;
2916
2917 r = sd_bus_message_read(reply, "o", &path);
2918 if (r < 0)
2919 return bus_log_parse_error(r);
2920 }
2921
2922 if (need_daemon_reload(bus, name) > 0)
2923 warn_unit_file_changed(name);
2924
2925 if (w) {
2926 log_debug("Adding %s to the set", path);
2927 r = bus_wait_for_jobs_add(w, path);
2928 if (r < 0)
2929 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2930 }
2931
2932 if (wu) {
2933 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2934 if (r < 0)
2935 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2936 }
2937
2938 return 0;
2939
2940 fail:
2941 /* There's always a fallback possible for legacy actions. */
2942 if (arg_action != ACTION_SYSTEMCTL)
2943 return r;
2944
2945 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2946
2947 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2948 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2949 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2950 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2951 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2952 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2953 name[0] == '-' ? " --" : "",
2954 name);
2955
2956 return r;
2957 }
2958
2959 static const struct {
2960 const char *target;
2961 const char *verb;
2962 const char *mode;
2963 } action_table[_ACTION_MAX] = {
2964 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2965 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2966 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2967 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2968 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2969 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2970 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2971 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
2972 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
2973 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
2974 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
2975 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
2976 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
2977 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
2978 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
2979 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
2980 };
2981
2982 static enum action verb_to_action(const char *verb) {
2983 enum action i;
2984
2985 for (i = 0; i < _ACTION_MAX; i++)
2986 if (streq_ptr(action_table[i].verb, verb))
2987 return i;
2988
2989 return _ACTION_INVALID;
2990 }
2991
2992 static const char** make_extra_args(const char *extra_args[static 4]) {
2993 size_t n = 0;
2994
2995 assert(extra_args);
2996
2997 if (arg_scope != UNIT_FILE_SYSTEM)
2998 extra_args[n++] = "--user";
2999
3000 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3001 extra_args[n++] = "-H";
3002 extra_args[n++] = arg_host;
3003 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3004 extra_args[n++] = "-M";
3005 extra_args[n++] = arg_host;
3006 } else
3007 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3008
3009 extra_args[n] = NULL;
3010 return extra_args;
3011 }
3012
3013 static int start_unit(int argc, char *argv[], void *userdata) {
3014 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3015 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3016 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3017 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3018 _cleanup_strv_free_ char **names = NULL;
3019 int r, ret = EXIT_SUCCESS;
3020 sd_bus *bus;
3021 char **name;
3022
3023 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3024 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3025 "--wait may only be used with the 'start' or 'restart' commands.");
3026
3027 /* we cannot do sender tracking on the private bus, so we need the full
3028 * one for RefUnit to implement --wait */
3029 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3030 if (r < 0)
3031 return r;
3032
3033 ask_password_agent_open_maybe();
3034 polkit_agent_open_maybe();
3035
3036 if (arg_action == ACTION_SYSTEMCTL) {
3037 enum action action;
3038
3039 action = verb_to_action(argv[0]);
3040
3041 if (action != _ACTION_INVALID) {
3042 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3043 method = "StartUnit";
3044 job_type = "start";
3045 mode = action_table[action].mode;
3046 one_name = action_table[action].target;
3047 } else {
3048 if (streq(argv[0], "isolate")) {
3049 /* A "systemctl isolate <unit1> <unit2> …" command */
3050 method = "StartUnit";
3051 job_type = "start";
3052 mode = "isolate";
3053 suffix = ".target";
3054 } else {
3055 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3056 method = verb_to_method(argv[0]);
3057 job_type = verb_to_job_type(argv[0]);
3058 mode = arg_job_mode;
3059 }
3060 one_name = NULL;
3061 }
3062 } else {
3063 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3064 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3065 assert(action_table[arg_action].target);
3066 assert(action_table[arg_action].mode);
3067
3068 method = "StartUnit";
3069 job_type = "start";
3070 mode = action_table[arg_action].mode;
3071 one_name = action_table[arg_action].target;
3072 }
3073
3074 if (one_name) {
3075 names = strv_new(one_name);
3076 if (!names)
3077 return log_oom();
3078 } else {
3079 bool expanded;
3080
3081 r = expand_names(bus, strv_skip(argv, 1), suffix, &names, &expanded);
3082 if (r < 0)
3083 return log_error_errno(r, "Failed to expand names: %m");
3084
3085 if (!arg_all && expanded && streq(job_type, "start") && !arg_quiet) {
3086 log_warning("Warning: %ssystemctl start called with a glob pattern.%s",
3087 ansi_highlight_red(),
3088 ansi_normal());
3089 log_notice("Hint: unit globs expand to loaded units, so start will usually have no effect.\n"
3090 " Passing --all will also load units which are pulled in by other units.\n"
3091 " See systemctl(1) for more details.");
3092 }
3093 }
3094
3095 if (!arg_no_block) {
3096 r = bus_wait_for_jobs_new(bus, &w);
3097 if (r < 0)
3098 return log_error_errno(r, "Could not watch jobs: %m");
3099 }
3100
3101 if (arg_wait) {
3102 r = bus_call_method_async(bus, NULL, bus_systemd_mgr, "Subscribe", NULL, NULL, NULL);
3103 if (r < 0)
3104 return log_error_errno(r, "Failed to enable subscription: %m");
3105
3106 r = bus_wait_for_units_new(bus, &wu);
3107 if (r < 0)
3108 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3109 }
3110
3111 STRV_FOREACH(name, names) {
3112 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3113
3114 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3115 if (ret == EXIT_SUCCESS && r < 0)
3116 ret = translate_bus_error_to_exit_status(r, &error);
3117
3118 if (r >= 0 && streq(method, "StopUnit")) {
3119 r = strv_push(&stopped_units, *name);
3120 if (r < 0)
3121 return log_oom();
3122 }
3123 }
3124
3125 if (!arg_no_block) {
3126 const char* extra_args[4];
3127
3128 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3129 if (r < 0)
3130 return r;
3131
3132 /* When stopping units, warn if they can still be triggered by
3133 * another active unit (socket, path, timer) */
3134 if (!arg_quiet)
3135 STRV_FOREACH(name, stopped_units)
3136 (void) check_triggering_units(bus, *name);
3137 }
3138
3139 if (arg_wait) {
3140 r = bus_wait_for_units_run(wu);
3141 if (r < 0)
3142 return log_error_errno(r, "Failed to wait for units: %m");
3143 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3144 ret = EXIT_FAILURE;
3145 }
3146
3147 return ret;
3148 }
3149
3150 #if ENABLE_LOGIND
3151 static int logind_set_wall_message(void) {
3152 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3153 sd_bus *bus;
3154 _cleanup_free_ char *m = NULL;
3155 int r;
3156
3157 r = acquire_bus(BUS_FULL, &bus);
3158 if (r < 0)
3159 return r;
3160
3161 m = strv_join(arg_wall, " ");
3162 if (!m)
3163 return log_oom();
3164
3165 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3166 if (arg_dry_run)
3167 return 0;
3168
3169 r = bus_call_method(bus, bus_login_mgr, "SetWallMessage", &error, NULL, "sb", m, !arg_no_wall);
3170 if (r < 0)
3171 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3172 return 0;
3173 }
3174 #endif
3175
3176 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3177 static int logind_reboot(enum action a) {
3178 #if ENABLE_LOGIND
3179 static const struct {
3180 const char *method;
3181 const char *description;
3182 } actions[_ACTION_MAX] = {
3183 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3184 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3185 [ACTION_HALT] = { "Halt", "halt system" },
3186 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3187 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3188 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3189 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3190 };
3191
3192 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3193 sd_bus *bus;
3194 int r;
3195
3196 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3197 return -EINVAL;
3198
3199 r = acquire_bus(BUS_FULL, &bus);
3200 if (r < 0)
3201 return r;
3202
3203 polkit_agent_open_maybe();
3204 (void) logind_set_wall_message();
3205
3206 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3207
3208 if (arg_dry_run)
3209 return 0;
3210
3211 r = bus_call_method(bus, bus_login_mgr, actions[a].method, &error, NULL, "b", arg_ask_password);
3212 if (r < 0)
3213 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3214
3215 return 0;
3216 #else
3217 return -ENOSYS;
3218 #endif
3219 }
3220
3221 static int logind_check_inhibitors(enum action a) {
3222 #if ENABLE_LOGIND
3223 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3224 _cleanup_strv_free_ char **sessions = NULL;
3225 const char *what, *who, *why, *mode;
3226 uint32_t uid, pid;
3227 sd_bus *bus;
3228 unsigned c = 0;
3229 char **s;
3230 int r;
3231
3232 if (arg_ignore_inhibitors || arg_force > 0)
3233 return 0;
3234
3235 if (arg_when > 0)
3236 return 0;
3237
3238 if (geteuid() == 0)
3239 return 0;
3240
3241 if (!on_tty())
3242 return 0;
3243
3244 if (arg_transport != BUS_TRANSPORT_LOCAL)
3245 return 0;
3246
3247 r = acquire_bus(BUS_FULL, &bus);
3248 if (r < 0)
3249 return r;
3250
3251 r = bus_call_method(bus, bus_login_mgr, "ListInhibitors", NULL, &reply, NULL);
3252 if (r < 0)
3253 /* If logind is not around, then there are no inhibitors... */
3254 return 0;
3255
3256 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3257 if (r < 0)
3258 return bus_log_parse_error(r);
3259
3260 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3261 _cleanup_free_ char *comm = NULL, *user = NULL;
3262 _cleanup_strv_free_ char **sv = NULL;
3263
3264 if (!streq(mode, "block"))
3265 continue;
3266
3267 sv = strv_split(what, ":");
3268 if (!sv)
3269 return log_oom();
3270
3271 if (!pid_is_valid((pid_t) pid))
3272 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3273
3274 if (!strv_contains(sv,
3275 IN_SET(a,
3276 ACTION_HALT,
3277 ACTION_POWEROFF,
3278 ACTION_REBOOT,
3279 ACTION_KEXEC) ? "shutdown" : "sleep"))
3280 continue;
3281
3282 get_process_comm(pid, &comm);
3283 user = uid_to_name(uid);
3284
3285 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3286 who, (pid_t) pid, strna(comm), strna(user), why);
3287
3288 c++;
3289 }
3290 if (r < 0)
3291 return bus_log_parse_error(r);
3292
3293 r = sd_bus_message_exit_container(reply);
3294 if (r < 0)
3295 return bus_log_parse_error(r);
3296
3297 /* Check for current sessions */
3298 sd_get_sessions(&sessions);
3299 STRV_FOREACH(s, sessions) {
3300 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3301
3302 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3303 continue;
3304
3305 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3306 continue;
3307
3308 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3309 continue;
3310
3311 sd_session_get_tty(*s, &tty);
3312 sd_session_get_seat(*s, &seat);
3313 sd_session_get_service(*s, &service);
3314 user = uid_to_name(uid);
3315
3316 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3317 c++;
3318 }
3319
3320 if (c <= 0)
3321 return 0;
3322
3323 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3324 action_table[a].verb);
3325
3326 return -EPERM;
3327 #else
3328 return 0;
3329 #endif
3330 }
3331
3332 static int prepare_firmware_setup(void) {
3333
3334 if (!arg_firmware_setup)
3335 return 0;
3336
3337 #if ENABLE_LOGIND
3338 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3339 sd_bus *bus;
3340 int r;
3341
3342 r = acquire_bus(BUS_FULL, &bus);
3343 if (r < 0)
3344 return r;
3345
3346 r = bus_call_method(bus, bus_login_mgr, "SetRebootToFirmwareSetup", &error, NULL, "b", true);
3347 if (r < 0)
3348 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3349
3350 return 0;
3351 #else
3352 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3353 "Booting into firmware setup not supported.");
3354 #endif
3355 }
3356
3357 static int prepare_boot_loader_menu(void) {
3358
3359 if (arg_boot_loader_menu == USEC_INFINITY)
3360 return 0;
3361
3362 #if ENABLE_LOGIND
3363 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3364 sd_bus *bus;
3365 int r;
3366
3367 r = acquire_bus(BUS_FULL, &bus);
3368 if (r < 0)
3369 return r;
3370
3371 r = bus_call_method(bus, bus_login_mgr, "SetRebootToBootLoaderMenu", &error, NULL, "t", arg_boot_loader_menu);
3372 if (r < 0)
3373 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3374
3375 return 0;
3376 #else
3377 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3378 "Booting into boot loader menu not supported.");
3379 #endif
3380 }
3381
3382 static int prepare_boot_loader_entry(void) {
3383
3384 if (!arg_boot_loader_entry)
3385 return 0;
3386
3387 #if ENABLE_LOGIND
3388 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3389 sd_bus *bus;
3390 int r;
3391
3392 r = acquire_bus(BUS_FULL, &bus);
3393 if (r < 0)
3394 return r;
3395
3396 r = bus_call_method(bus, bus_login_mgr, "SetRebootToBootLoaderEntry", &error, NULL, "s", arg_boot_loader_entry);
3397 if (r < 0)
3398 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3399
3400 return 0;
3401 #else
3402 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3403 "Booting into boot loader entry not supported.");
3404 #endif
3405 }
3406
3407 static int load_kexec_kernel(void) {
3408 _cleanup_(boot_config_free) BootConfig config = {};
3409 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3410 const BootEntry *e;
3411 pid_t pid;
3412 int r;
3413
3414 if (kexec_loaded()) {
3415 log_debug("Kexec kernel already loaded.");
3416 return 0;
3417 }
3418
3419 if (access(KEXEC, X_OK) < 0)
3420 return log_error_errno(errno, KEXEC" is not available: %m");
3421
3422 r = boot_entries_load_config_auto(NULL, NULL, &config);
3423 if (r == -ENOKEY)
3424 /* The call doesn't log about ENOKEY, let's do so here. */
3425 return log_error_errno(r,
3426 "No kexec kernel loaded and autodetection failed.\n%s",
3427 is_efi_boot()
3428 ? "Cannot automatically load kernel: ESP partition mount point not found."
3429 : "Automatic loading works only on systems booted with EFI.");
3430 if (r < 0)
3431 return r;
3432
3433 e = boot_config_default_entry(&config);
3434 if (!e)
3435 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3436 "No boot loader entry suitable as default, refusing to guess.");
3437
3438 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3439
3440 if (!e->kernel)
3441 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3442 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3443 if (strv_length(e->initrd) > 1)
3444 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3445 "Boot entry specifies multiple initrds, which is not supported currently.");
3446
3447 kernel = path_join(e->root, e->kernel);
3448 if (!kernel)
3449 return log_oom();
3450
3451 if (!strv_isempty(e->initrd)) {
3452 initrd = path_join(e->root, e->initrd[0]);
3453 if (!initrd)
3454 return log_oom();
3455 }
3456
3457 options = strv_join(e->options, " ");
3458 if (!options)
3459 return log_oom();
3460
3461 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3462 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3463 arg_dry_run ? "Would run" : "Running",
3464 kernel,
3465 options,
3466 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3467 if (arg_dry_run)
3468 return 0;
3469
3470 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3471 if (r < 0)
3472 return r;
3473 if (r == 0) {
3474 const char* const args[] = {
3475 KEXEC,
3476 "--load", kernel,
3477 "--append", options,
3478 initrd ? "--initrd" : NULL, initrd,
3479 NULL
3480 };
3481
3482 /* Child */
3483 execv(args[0], (char * const *) args);
3484 _exit(EXIT_FAILURE);
3485 }
3486
3487 return 0;
3488 }
3489
3490 static int set_exit_code(uint8_t code) {
3491 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3492 sd_bus *bus;
3493 int r;
3494
3495 r = acquire_bus(BUS_MANAGER, &bus);
3496 if (r < 0)
3497 return r;
3498
3499 r = bus_call_method(bus, bus_systemd_mgr, "SetExitCode", &error, NULL, "y", code);
3500 if (r < 0)
3501 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3502
3503 return 0;
3504 }
3505
3506 static int start_special(int argc, char *argv[], void *userdata) {
3507 enum action a;
3508 int r;
3509 bool termination_action; /* an action that terminates the manager,
3510 * can be performed also by signal. */
3511
3512 assert(argv);
3513
3514 a = verb_to_action(argv[0]);
3515
3516 r = logind_check_inhibitors(a);
3517 if (r < 0)
3518 return r;
3519
3520 if (arg_force >= 2) {
3521 r = must_be_root();
3522 if (r < 0)
3523 return r;
3524 }
3525
3526 r = prepare_firmware_setup();
3527 if (r < 0)
3528 return r;
3529
3530 r = prepare_boot_loader_menu();
3531 if (r < 0)
3532 return r;
3533
3534 r = prepare_boot_loader_entry();
3535 if (r < 0)
3536 return r;
3537
3538 if (a == ACTION_REBOOT) {
3539 const char *arg = NULL;
3540
3541 if (argc > 1) {
3542 if (arg_reboot_argument)
3543 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Both --reboot-argument= and positional argument passed to reboot command, refusing.");
3544
3545 log_notice("Positional argument to reboot command is deprecated, please use --reboot-argument= instead. Accepting anyway.");
3546 arg = argv[1];
3547 } else
3548 arg = arg_reboot_argument;
3549
3550 if (arg) {
3551 r = update_reboot_parameter_and_warn(arg, false);
3552 if (r < 0)
3553 return r;
3554 }
3555
3556 } else if (a == ACTION_KEXEC) {
3557 r = load_kexec_kernel();
3558 if (r < 0 && arg_force >= 1)
3559 log_notice("Failed to load kexec kernel, continuing without.");
3560 else if (r < 0)
3561 return r;
3562
3563 } else if (a == ACTION_EXIT && argc > 1) {
3564 uint8_t code;
3565
3566 /* If the exit code is not given on the command line,
3567 * don't reset it to zero: just keep it as it might
3568 * have been set previously. */
3569
3570 r = safe_atou8(argv[1], &code);
3571 if (r < 0)
3572 return log_error_errno(r, "Invalid exit code.");
3573
3574 r = set_exit_code(code);
3575 if (r < 0)
3576 return r;
3577 }
3578
3579 termination_action = IN_SET(a,
3580 ACTION_HALT,
3581 ACTION_POWEROFF,
3582 ACTION_REBOOT);
3583 if (termination_action && arg_force >= 2)
3584 return halt_now(a);
3585
3586 if (arg_force >= 1 &&
3587 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3588 r = trivial_method(argc, argv, userdata);
3589 else {
3590 /* First try logind, to allow authentication with polkit */
3591 if (IN_SET(a,
3592 ACTION_POWEROFF,
3593 ACTION_REBOOT,
3594 ACTION_HALT,
3595 ACTION_SUSPEND,
3596 ACTION_HIBERNATE,
3597 ACTION_HYBRID_SLEEP,
3598 ACTION_SUSPEND_THEN_HIBERNATE)) {
3599
3600 r = logind_reboot(a);
3601 if (r >= 0)
3602 return r;
3603 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3604 /* requested operation is not supported or already in progress */
3605 return r;
3606
3607 /* On all other errors, try low-level operation. In order to minimize the difference between
3608 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3609 * logind's shutdown operations are always non-blocking. */
3610
3611 arg_no_block = true;
3612
3613 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3614 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3615 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3616 arg_no_block = true;
3617
3618 r = start_unit(argc, argv, userdata);
3619 }
3620
3621 if (termination_action && arg_force < 2 &&
3622 IN_SET(r, -ENOENT, -ETIMEDOUT))
3623 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3624
3625 return r;
3626 }
3627
3628 static int start_system_special(int argc, char *argv[], void *userdata) {
3629 /* Like start_special above, but raises an error when running in user mode */
3630
3631 if (arg_scope != UNIT_FILE_SYSTEM)
3632 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3633 "Bad action for %s mode.",
3634 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3635
3636 return start_special(argc, argv, userdata);
3637 }
3638
3639 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3640 _cleanup_strv_free_ char **names = NULL;
3641 UnitActiveState active_state;
3642 sd_bus *bus;
3643 char **name;
3644 int r, i;
3645 bool found = false;
3646
3647 r = acquire_bus(BUS_MANAGER, &bus);
3648 if (r < 0)
3649 return r;
3650
3651 r = expand_names(bus, args, NULL, &names, NULL);
3652 if (r < 0)
3653 return log_error_errno(r, "Failed to expand names: %m");
3654
3655 STRV_FOREACH(name, names) {
3656 r = get_state_one_unit(bus, *name, &active_state);
3657 if (r < 0)
3658 return r;
3659
3660 if (!arg_quiet)
3661 puts(unit_active_state_to_string(active_state));
3662
3663 for (i = 0; i < nb_states; ++i)
3664 if (good_states[i] == active_state)
3665 found = true;
3666 }
3667
3668 /* use the given return code for the case that we won't find
3669 * any unit which matches the list */
3670 return found ? 0 : code;
3671 }
3672
3673 static int check_unit_active(int argc, char *argv[], void *userdata) {
3674 static const UnitActiveState states[] = {
3675 UNIT_ACTIVE,
3676 UNIT_RELOADING,
3677 };
3678
3679 /* According to LSB: 3, "program is not running" */
3680 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3681 }
3682
3683 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3684 static const UnitActiveState states[] = {
3685 UNIT_FAILED,
3686 };
3687
3688 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3689 }
3690
3691 static int kill_unit(int argc, char *argv[], void *userdata) {
3692 _cleanup_strv_free_ char **names = NULL;
3693 char *kill_who = NULL, **name;
3694 sd_bus *bus;
3695 int r, q;
3696
3697 r = acquire_bus(BUS_MANAGER, &bus);
3698 if (r < 0)
3699 return r;
3700
3701 polkit_agent_open_maybe();
3702
3703 if (!arg_kill_who)
3704 arg_kill_who = "all";
3705
3706 /* --fail was specified */
3707 if (streq(arg_job_mode, "fail"))
3708 kill_who = strjoina(arg_kill_who, "-fail");
3709
3710 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3711 if (r < 0)
3712 return log_error_errno(r, "Failed to expand names: %m");
3713
3714 STRV_FOREACH(name, names) {
3715 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3716
3717 q = bus_call_method(
3718 bus,
3719 bus_systemd_mgr,
3720 "KillUnit",
3721 &error,
3722 NULL,
3723 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3724 if (q < 0) {
3725 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3726 if (r == 0)
3727 r = q;
3728 }
3729 }
3730
3731 return r;
3732 }
3733
3734 static int clean_or_freeze_unit(int argc, char *argv[], void *userdata) {
3735 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3736 _cleanup_strv_free_ char **names = NULL;
3737 int r, ret = EXIT_SUCCESS;
3738 char **name;
3739 const char *method;
3740 sd_bus *bus;
3741
3742 r = acquire_bus(BUS_FULL, &bus);
3743 if (r < 0)
3744 return r;
3745
3746 polkit_agent_open_maybe();
3747
3748 if (!arg_clean_what) {
3749 arg_clean_what = strv_new("cache", "runtime");
3750 if (!arg_clean_what)
3751 return log_oom();
3752 }
3753
3754 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3755 if (r < 0)
3756 return log_error_errno(r, "Failed to expand names: %m");
3757
3758 if (!arg_no_block) {
3759 r = bus_wait_for_units_new(bus, &w);
3760 if (r < 0)
3761 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3762 }
3763
3764 if (streq(argv[0], "clean"))
3765 method = "CleanUnit";
3766 else if (streq(argv[0], "freeze"))
3767 method = "FreezeUnit";
3768 else if (streq(argv[0], "thaw"))
3769 method = "ThawUnit";
3770 else
3771 assert_not_reached("Unhandled method");
3772
3773 STRV_FOREACH(name, names) {
3774 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3775 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3776
3777 if (w) {
3778 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3779 r = bus_call_method(bus, bus_systemd_mgr, "RefUnit", &error, NULL, "s", *name);
3780 if (r < 0) {
3781 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3782 if (ret == EXIT_SUCCESS)
3783 ret = r;
3784 continue;
3785 }
3786 }
3787
3788 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
3789 if (r < 0)
3790 return bus_log_create_error(r);
3791
3792 r = sd_bus_message_append(m, "s", *name);
3793 if (r < 0)
3794 return bus_log_create_error(r);
3795
3796 if (streq(method, "CleanUnit")) {
3797 r = sd_bus_message_append_strv(m, arg_clean_what);
3798 if (r < 0)
3799 return bus_log_create_error(r);
3800 }
3801
3802 r = sd_bus_call(bus, m, 0, &error, NULL);
3803 if (r < 0) {
3804 log_error_errno(r, "Failed to %s unit %s: %s", argv[0], *name, bus_error_message(&error, r));
3805 if (ret == EXIT_SUCCESS) {
3806 ret = r;
3807 continue;
3808 }
3809 }
3810
3811 if (w) {
3812 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3813 if (r < 0)
3814 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3815 }
3816 }
3817
3818 r = bus_wait_for_units_run(w);
3819 if (r < 0)
3820 return log_error_errno(r, "Failed to wait for units: %m");
3821 if (r == BUS_WAIT_FAILURE)
3822 ret = EXIT_FAILURE;
3823
3824 return ret;
3825 }
3826
3827 typedef struct ExecStatusInfo {
3828 char *name;
3829
3830 char *path;
3831 char **argv;
3832
3833 bool ignore;
3834
3835 usec_t start_timestamp;
3836 usec_t exit_timestamp;
3837 pid_t pid;
3838 int code;
3839 int status;
3840
3841 ExecCommandFlags flags;
3842
3843 LIST_FIELDS(struct ExecStatusInfo, exec);
3844 } ExecStatusInfo;
3845
3846 static void exec_status_info_free(ExecStatusInfo *i) {
3847 assert(i);
3848
3849 free(i->name);
3850 free(i->path);
3851 strv_free(i->argv);
3852 free(i);
3853 }
3854
3855 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3856 _cleanup_strv_free_ char **ex_opts = NULL;
3857 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3858 const char *path;
3859 uint32_t pid;
3860 int32_t code, status;
3861 int ignore, r;
3862
3863 assert(m);
3864 assert(i);
3865
3866 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3867 if (r < 0)
3868 return bus_log_parse_error(r);
3869 else if (r == 0)
3870 return 0;
3871
3872 r = sd_bus_message_read(m, "s", &path);
3873 if (r < 0)
3874 return bus_log_parse_error(r);
3875
3876 i->path = strdup(path);
3877 if (!i->path)
3878 return log_oom();
3879
3880 r = sd_bus_message_read_strv(m, &i->argv);
3881 if (r < 0)
3882 return bus_log_parse_error(r);
3883
3884 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3885 if (r < 0)
3886 return bus_log_parse_error(r);
3887
3888 r = sd_bus_message_read(m,
3889 "ttttuii",
3890 &start_timestamp, &start_timestamp_monotonic,
3891 &exit_timestamp, &exit_timestamp_monotonic,
3892 &pid,
3893 &code, &status);
3894 if (r < 0)
3895 return bus_log_parse_error(r);
3896
3897 if (is_ex_prop) {
3898 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3899 if (r < 0)
3900 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3901
3902 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3903 } else
3904 i->ignore = ignore;
3905
3906 i->start_timestamp = (usec_t) start_timestamp;
3907 i->exit_timestamp = (usec_t) exit_timestamp;
3908 i->pid = (pid_t) pid;
3909 i->code = code;
3910 i->status = status;
3911
3912 r = sd_bus_message_exit_container(m);
3913 if (r < 0)
3914 return bus_log_parse_error(r);
3915
3916 return 1;
3917 }
3918
3919 typedef struct UnitCondition {
3920 char *name;
3921 char *param;
3922 bool trigger;
3923 bool negate;
3924 int tristate;
3925
3926 LIST_FIELDS(struct UnitCondition, conditions);
3927 } UnitCondition;
3928
3929 static void unit_condition_free(UnitCondition *c) {
3930 if (!c)
3931 return;
3932
3933 free(c->name);
3934 free(c->param);
3935 free(c);
3936 }
3937
3938 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3939
3940 typedef struct UnitStatusInfo {
3941 const char *id;
3942 const char *load_state;
3943 const char *active_state;
3944 const char *freezer_state;
3945 const char *sub_state;
3946 const char *unit_file_state;
3947 const char *unit_file_preset;
3948
3949 const char *description;
3950 const char *following;
3951
3952 char **documentation;
3953
3954 const char *fragment_path;
3955 const char *source_path;
3956 const char *control_group;
3957
3958 char **dropin_paths;
3959
3960 char **triggered_by;
3961 char **triggers;
3962
3963 const char *load_error;
3964 const char *result;
3965
3966 usec_t inactive_exit_timestamp;
3967 usec_t inactive_exit_timestamp_monotonic;
3968 usec_t active_enter_timestamp;
3969 usec_t active_exit_timestamp;
3970 usec_t inactive_enter_timestamp;
3971
3972 bool need_daemon_reload;
3973 bool transient;
3974
3975 /* Service */
3976 pid_t main_pid;
3977 pid_t control_pid;
3978 const char *status_text;
3979 const char *pid_file;
3980 bool running:1;
3981 int status_errno;
3982
3983 usec_t start_timestamp;
3984 usec_t exit_timestamp;
3985
3986 int exit_code, exit_status;
3987
3988 const char *log_namespace;
3989
3990 usec_t condition_timestamp;
3991 bool condition_result;
3992 LIST_HEAD(UnitCondition, conditions);
3993
3994 usec_t assert_timestamp;
3995 bool assert_result;
3996 bool failed_assert_trigger;
3997 bool failed_assert_negate;
3998 const char *failed_assert;
3999 const char *failed_assert_parameter;
4000 usec_t next_elapse_real;
4001 usec_t next_elapse_monotonic;
4002
4003 /* Socket */
4004 unsigned n_accepted;
4005 unsigned n_connections;
4006 unsigned n_refused;
4007 bool accept;
4008
4009 /* Pairs of type, path */
4010 char **listen;
4011
4012 /* Device */
4013 const char *sysfs_path;
4014
4015 /* Mount, Automount */
4016 const char *where;
4017
4018 /* Swap */
4019 const char *what;
4020
4021 /* CGroup */
4022 uint64_t memory_current;
4023 uint64_t memory_min;
4024 uint64_t memory_low;
4025 uint64_t memory_high;
4026 uint64_t memory_max;
4027 uint64_t memory_swap_max;
4028 uint64_t memory_limit;
4029 uint64_t cpu_usage_nsec;
4030 uint64_t tasks_current;
4031 uint64_t tasks_max;
4032 uint64_t ip_ingress_bytes;
4033 uint64_t ip_egress_bytes;
4034 uint64_t io_read_bytes;
4035 uint64_t io_write_bytes;
4036
4037 uint64_t default_memory_min;
4038 uint64_t default_memory_low;
4039
4040 LIST_HEAD(ExecStatusInfo, exec);
4041 } UnitStatusInfo;
4042
4043 static void unit_status_info_free(UnitStatusInfo *info) {
4044 ExecStatusInfo *p;
4045 UnitCondition *c;
4046
4047 strv_free(info->documentation);
4048 strv_free(info->dropin_paths);
4049 strv_free(info->triggered_by);
4050 strv_free(info->triggers);
4051 strv_free(info->listen);
4052
4053 while ((c = info->conditions)) {
4054 LIST_REMOVE(conditions, info->conditions, c);
4055 unit_condition_free(c);
4056 }
4057
4058 while ((p = info->exec)) {
4059 LIST_REMOVE(exec, info->exec, p);
4060 exec_status_info_free(p);
4061 }
4062 }
4063
4064 static void format_active_state(const char *active_state, const char **active_on, const char **active_off) {
4065 if (streq_ptr(active_state, "failed")) {
4066 *active_on = ansi_highlight_red();
4067 *active_off = ansi_normal();
4068 } else if (STRPTR_IN_SET(active_state, "active", "reloading")) {
4069 *active_on = ansi_highlight_green();
4070 *active_off = ansi_normal();
4071 } else
4072 *active_on = *active_off = "";
4073 }
4074
4075 static void print_status_info(
4076 sd_bus *bus,
4077 UnitStatusInfo *i,
4078 bool *ellipsized) {
4079
4080 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4081 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss, *fs;
4082 _cleanup_free_ char *formatted_path = NULL;
4083 ExecStatusInfo *p;
4084 usec_t timestamp;
4085 const char *path;
4086 char **t, **t2;
4087 int r;
4088
4089 assert(i);
4090
4091 /* This shows pretty information about a unit. See
4092 * print_property() for a low-level property printer */
4093
4094 format_active_state(i->active_state, &active_on, &active_off);
4095
4096 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4097
4098 if (i->description && !streq_ptr(i->id, i->description))
4099 printf(" - %s", i->description);
4100
4101 printf("\n");
4102
4103 if (i->following)
4104 printf(" Follow: unit currently follows state of %s\n", i->following);
4105
4106 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4107 on = ansi_highlight_red();
4108 off = ansi_normal();
4109 } else
4110 on = off = "";
4111
4112 path = i->source_path ?: i->fragment_path;
4113 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4114 path = formatted_path;
4115
4116 if (!isempty(i->load_error))
4117 printf(" Loaded: %s%s%s (Reason: %s)\n",
4118 on, strna(i->load_state), off, i->load_error);
4119 else if (path && !isempty(i->unit_file_state)) {
4120 bool show_preset = !isempty(i->unit_file_preset) &&
4121 show_preset_for_state(unit_file_state_from_string(i->unit_file_state));
4122
4123 printf(" Loaded: %s%s%s (%s; %s%s%s)\n",
4124 on, strna(i->load_state), off,
4125 path,
4126 i->unit_file_state,
4127 show_preset ? "; vendor preset: " : "",
4128 show_preset ? i->unit_file_preset : "");
4129
4130 } else if (path)
4131 printf(" Loaded: %s%s%s (%s)\n",
4132 on, strna(i->load_state), off, path);
4133 else
4134 printf(" Loaded: %s%s%s\n",
4135 on, strna(i->load_state), off);
4136
4137 if (i->transient)
4138 printf(" Transient: yes\n");
4139
4140 if (!strv_isempty(i->dropin_paths)) {
4141 _cleanup_free_ char *dir = NULL;
4142 bool last = false;
4143 char ** dropin;
4144
4145 STRV_FOREACH(dropin, i->dropin_paths) {
4146 _cleanup_free_ char *dropin_formatted = NULL;
4147 const char *df;
4148
4149 if (!dir || last) {
4150 printf(dir ? " " :
4151 " Drop-In: ");
4152
4153 dir = mfree(dir);
4154
4155 dir = dirname_malloc(*dropin);
4156 if (!dir) {
4157 log_oom();
4158 return;
4159 }
4160
4161 printf("%s\n"
4162 " %s", dir,
4163 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4164 }
4165
4166 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4167
4168 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4169 df = dropin_formatted;
4170 else
4171 df = *dropin;
4172
4173 printf("%s%s", df, last ? "\n" : ", ");
4174 }
4175 }
4176
4177 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4178 if (ss)
4179 printf(" Active: %s%s (%s)%s",
4180 active_on, strna(i->active_state), ss, active_off);
4181 else
4182 printf(" Active: %s%s%s",
4183 active_on, strna(i->active_state), active_off);
4184
4185 fs = !isempty(i->freezer_state) && !streq(i->freezer_state, "running") ? i->freezer_state : NULL;
4186 if (fs)
4187 printf(" %s(%s)%s", ansi_highlight_yellow(), fs, ansi_normal());
4188
4189 if (!isempty(i->result) && !streq(i->result, "success"))
4190 printf(" (Result: %s)", i->result);
4191
4192 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4193 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4194 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4195 i->active_exit_timestamp;
4196
4197 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4198 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4199
4200 if (s1)
4201 printf(" since %s; %s\n", s2, s1);
4202 else if (s2)
4203 printf(" since %s\n", s2);
4204 else
4205 printf("\n");
4206
4207 STRV_FOREACH(t, i->triggered_by) {
4208 UnitActiveState state = _UNIT_ACTIVE_STATE_INVALID;
4209
4210 (void) get_state_one_unit(bus, *t, &state);
4211 format_active_state(unit_active_state_to_string(state), &on, &off);
4212
4213 printf("%s %s%s%s %s\n",
4214 t == i->triggered_by ? "TriggeredBy:" : " ",
4215 on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off,
4216 *t);
4217 }
4218
4219 if (endswith(i->id, ".timer")) {
4220 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4221 tstamp2[FORMAT_TIMESTAMP_MAX];
4222 const char *next_rel_time, *next_time;
4223 dual_timestamp nw, next = {i->next_elapse_real,
4224 i->next_elapse_monotonic};
4225 usec_t next_elapse;
4226
4227 printf(" Trigger: ");
4228
4229 dual_timestamp_get(&nw);
4230 next_elapse = calc_next_elapse(&nw, &next);
4231 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4232 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4233
4234 if (next_time && next_rel_time)
4235 printf("%s; %s\n", next_time, next_rel_time);
4236 else
4237 printf("n/a\n");
4238 }
4239
4240 STRV_FOREACH(t, i->triggers) {
4241 UnitActiveState state = _UNIT_ACTIVE_STATE_INVALID;
4242
4243 (void) get_state_one_unit(bus, *t, &state);
4244 format_active_state(unit_active_state_to_string(state), &on, &off);
4245
4246 printf("%s %s%s%s %s\n",
4247 t == i->triggers ? " Triggers:" : " ",
4248 on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off,
4249 *t);
4250 }
4251
4252 if (!i->condition_result && i->condition_timestamp > 0) {
4253 UnitCondition *c;
4254 int n = 0;
4255
4256 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4257 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4258
4259 printf(" Condition: start %scondition failed%s at %s%s%s\n",
4260 ansi_highlight_yellow(), ansi_normal(),
4261 s2, s1 ? "; " : "", strempty(s1));
4262
4263 LIST_FOREACH(conditions, c, i->conditions)
4264 if (c->tristate < 0)
4265 n++;
4266
4267 LIST_FOREACH(conditions, c, i->conditions)
4268 if (c->tristate < 0)
4269 printf(" %s %s=%s%s%s was not met\n",
4270 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4271 c->name,
4272 c->trigger ? "|" : "",
4273 c->negate ? "!" : "",
4274 c->param);
4275 }
4276
4277 if (!i->assert_result && i->assert_timestamp > 0) {
4278 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4279 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4280
4281 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4282 ansi_highlight_red(), ansi_normal(),
4283 s2, s1 ? "; " : "", strempty(s1));
4284 if (i->failed_assert_trigger)
4285 printf(" none of the trigger assertions were met\n");
4286 else if (i->failed_assert)
4287 printf(" %s=%s%s was not met\n",
4288 i->failed_assert,
4289 i->failed_assert_negate ? "!" : "",
4290 i->failed_assert_parameter);
4291 }
4292
4293 if (i->sysfs_path)
4294 printf(" Device: %s\n", i->sysfs_path);
4295 if (i->where)
4296 printf(" Where: %s\n", i->where);
4297 if (i->what)
4298 printf(" What: %s\n", i->what);
4299
4300 STRV_FOREACH(t, i->documentation) {
4301 _cleanup_free_ char *formatted = NULL;
4302 const char *q;
4303
4304 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4305 q = formatted;
4306 else
4307 q = *t;
4308
4309 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4310 }
4311
4312 STRV_FOREACH_PAIR(t, t2, i->listen)
4313 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4314
4315 if (i->accept) {
4316 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4317 if (i->n_refused)
4318 printf(" Refused: %u", i->n_refused);
4319 printf("\n");
4320 }
4321
4322 LIST_FOREACH(exec, p, i->exec) {
4323 _cleanup_free_ char *argv = NULL;
4324 bool good;
4325
4326 /* Only show exited processes here */
4327 if (p->code == 0)
4328 continue;
4329
4330 /* Don't print ExecXYZEx= properties here since it will appear as a
4331 * duplicate of the non-Ex= variant. */
4332 if (endswith(p->name, "Ex"))
4333 continue;
4334
4335 argv = strv_join(p->argv, " ");
4336 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4337
4338 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4339 if (!good) {
4340 on = ansi_highlight_red();
4341 off = ansi_normal();
4342 } else
4343 on = off = "";
4344
4345 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4346
4347 if (p->code == CLD_EXITED) {
4348 const char *c;
4349
4350 printf("status=%i", p->status);
4351
4352 c = exit_status_to_string(p->status, EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4353 if (c)
4354 printf("/%s", c);
4355
4356 } else
4357 printf("signal=%s", signal_to_string(p->status));
4358
4359 printf(")%s\n", off);
4360
4361 if (i->main_pid == p->pid &&
4362 i->start_timestamp == p->start_timestamp &&
4363 i->exit_timestamp == p->start_timestamp)
4364 /* Let's not show this twice */
4365 i->main_pid = 0;
4366
4367 if (p->pid == i->control_pid)
4368 i->control_pid = 0;
4369 }
4370
4371 if (i->main_pid > 0 || i->control_pid > 0) {
4372 if (i->main_pid > 0) {
4373 printf(" Main PID: "PID_FMT, i->main_pid);
4374
4375 if (i->running) {
4376
4377 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4378 _cleanup_free_ char *comm = NULL;
4379
4380 (void) get_process_comm(i->main_pid, &comm);
4381 if (comm)
4382 printf(" (%s)", comm);
4383 }
4384
4385 } else if (i->exit_code > 0) {
4386 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4387
4388 if (i->exit_code == CLD_EXITED) {
4389 const char *c;
4390
4391 printf("status=%i", i->exit_status);
4392
4393 c = exit_status_to_string(i->exit_status,
4394 EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4395 if (c)
4396 printf("/%s", c);
4397
4398 } else
4399 printf("signal=%s", signal_to_string(i->exit_status));
4400 printf(")");
4401 }
4402 }
4403
4404 if (i->control_pid > 0) {
4405 _cleanup_free_ char *c = NULL;
4406
4407 if (i->main_pid > 0)
4408 fputs("; Control PID: ", stdout);
4409 else
4410 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4411
4412 printf(PID_FMT, i->control_pid);
4413
4414 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4415 (void) get_process_comm(i->control_pid, &c);
4416 if (c)
4417 printf(" (%s)", c);
4418 }
4419 }
4420
4421 printf("\n");
4422 }
4423
4424 if (i->status_text)
4425 printf(" Status: \"%s\"\n", i->status_text);
4426 if (i->status_errno > 0)
4427 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4428
4429 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4430 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4431
4432 printf(" IP: %s in, %s out\n",
4433 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4434 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4435 }
4436
4437 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4438 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4439
4440 printf(" IO: %s read, %s written\n",
4441 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4442 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4443 }
4444
4445 if (i->tasks_current != (uint64_t) -1) {
4446 printf(" Tasks: %" PRIu64, i->tasks_current);
4447
4448 if (i->tasks_max != (uint64_t) -1)
4449 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4450 else
4451 printf("\n");
4452 }
4453
4454 if (i->memory_current != (uint64_t) -1) {
4455 char buf[FORMAT_BYTES_MAX];
4456
4457 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4458
4459 if (i->memory_min > 0 || i->memory_low > 0 ||
4460 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4461 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4462 i->memory_limit != CGROUP_LIMIT_MAX) {
4463 const char *prefix = "";
4464
4465 printf(" (");
4466 if (i->memory_min > 0) {
4467 printf("%smin: %s", prefix, format_bytes_cgroup_protection(buf, sizeof(buf), i->memory_min));
4468 prefix = " ";
4469 }
4470 if (i->memory_low > 0) {
4471 printf("%slow: %s", prefix, format_bytes_cgroup_protection(buf, sizeof(buf), i->memory_low));
4472 prefix = " ";
4473 }
4474 if (i->memory_high != CGROUP_LIMIT_MAX) {
4475 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4476 prefix = " ";
4477 }
4478 if (i->memory_max != CGROUP_LIMIT_MAX) {
4479 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4480 prefix = " ";
4481 }
4482 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4483 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4484 prefix = " ";
4485 }
4486 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4487 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4488 prefix = " ";
4489 }
4490 printf(")");
4491 }
4492 printf("\n");
4493 }
4494
4495 if (i->cpu_usage_nsec != (uint64_t) -1) {
4496 char buf[FORMAT_TIMESPAN_MAX];
4497 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4498 }
4499
4500 if (i->control_group) {
4501 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4502 static const char prefix[] = " ";
4503 unsigned c;
4504
4505 printf(" CGroup: %s\n", i->control_group);
4506
4507 c = columns();
4508 if (c > sizeof(prefix) - 1)
4509 c -= sizeof(prefix) - 1;
4510 else
4511 c = 0;
4512
4513 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4514 if (r == -EBADR) {
4515 unsigned k = 0;
4516 pid_t extra[2];
4517
4518 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4519
4520 if (i->main_pid > 0)
4521 extra[k++] = i->main_pid;
4522
4523 if (i->control_pid > 0)
4524 extra[k++] = i->control_pid;
4525
4526 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4527 } else if (r < 0)
4528 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4529 i->id, bus_error_message(&error, r));
4530 }
4531
4532 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4533 show_journal_by_unit(
4534 stdout,
4535 i->id,
4536 i->log_namespace,
4537 arg_output,
4538 0,
4539 i->inactive_exit_timestamp_monotonic,
4540 arg_lines,
4541 getuid(),
4542 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4543 SD_JOURNAL_LOCAL_ONLY,
4544 arg_scope == UNIT_FILE_SYSTEM,
4545 ellipsized);
4546
4547 if (i->need_daemon_reload)
4548 warn_unit_file_changed(i->id);
4549 }
4550
4551 static void show_unit_help(UnitStatusInfo *i) {
4552 char **p;
4553
4554 assert(i);
4555
4556 if (!i->documentation) {
4557 log_info("Documentation for %s not known.", i->id);
4558 return;
4559 }
4560
4561 STRV_FOREACH(p, i->documentation)
4562 if (startswith(*p, "man:"))
4563 show_man_page(*p + 4, false);
4564 else
4565 log_info("Can't show: %s", *p);
4566 }
4567
4568 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4569 UnitStatusInfo *i = userdata;
4570 uint32_t u;
4571 int r;
4572
4573 r = sd_bus_message_read(m, "u", &u);
4574 if (r < 0)
4575 return r;
4576
4577 i->main_pid = (pid_t) u;
4578 i->running = u > 0;
4579
4580 return 0;
4581 }
4582
4583 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4584 const char *message, **p = userdata;
4585 int r;
4586
4587 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4588 if (r < 0)
4589 return r;
4590
4591 if (!isempty(message))
4592 *p = message;
4593
4594 return 0;
4595 }
4596
4597 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4598 const char *type, *path;
4599 char ***p = userdata;
4600 int r;
4601
4602 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4603 if (r < 0)
4604 return r;
4605
4606 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4607
4608 r = strv_extend(p, type);
4609 if (r < 0)
4610 return r;
4611
4612 r = strv_extend(p, path);
4613 if (r < 0)
4614 return r;
4615 }
4616 if (r < 0)
4617 return r;
4618
4619 r = sd_bus_message_exit_container(m);
4620 if (r < 0)
4621 return r;
4622
4623 return 0;
4624 }
4625
4626 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4627 UnitStatusInfo *i = userdata;
4628 const char *cond, *param;
4629 int trigger, negate;
4630 int32_t state;
4631 int r;
4632
4633 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4634 if (r < 0)
4635 return r;
4636
4637 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4638 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4639
4640 c = new(UnitCondition, 1);
4641 if (!c)
4642 return -ENOMEM;
4643
4644 *c = (UnitCondition) {
4645 .name = strdup(cond),
4646 .param = strdup(param),
4647 .trigger = trigger,
4648 .negate = negate,
4649 .tristate = state,
4650 };
4651
4652 if (!c->name || !c->param)
4653 return -ENOMEM;
4654
4655 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4656 }
4657 if (r < 0)
4658 return r;
4659
4660 r = sd_bus_message_exit_container(m);
4661 if (r < 0)
4662 return r;
4663
4664 return 0;
4665 }
4666
4667 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4668 UnitStatusInfo *i = userdata;
4669 const char *cond, *param;
4670 int trigger, negate;
4671 int32_t state;
4672 int r;
4673
4674 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4675 if (r < 0)
4676 return r;
4677
4678 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4679 if (state < 0 && (!trigger || !i->failed_assert)) {
4680 i->failed_assert = cond;
4681 i->failed_assert_trigger = trigger;
4682 i->failed_assert_negate = negate;
4683 i->failed_assert_parameter = param;
4684 }
4685 }
4686 if (r < 0)
4687 return r;
4688
4689 r = sd_bus_message_exit_container(m);
4690 if (r < 0)
4691 return r;
4692
4693 return 0;
4694 }
4695
4696 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4697 _cleanup_free_ ExecStatusInfo *info = NULL;
4698 ExecStatusInfo *last;
4699 UnitStatusInfo *i = userdata;
4700 bool is_ex_prop = endswith(member, "Ex");
4701 int r;
4702
4703 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4704 if (r < 0)
4705 return r;
4706
4707 info = new0(ExecStatusInfo, 1);
4708 if (!info)
4709 return -ENOMEM;
4710
4711 LIST_FIND_TAIL(exec, i->exec, last);
4712
4713 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4714
4715 info->name = strdup(member);
4716 if (!info->name)
4717 return -ENOMEM;
4718
4719 LIST_INSERT_AFTER(exec, i->exec, last, info);
4720 last = info;
4721
4722 info = new0(ExecStatusInfo, 1);
4723 if (!info)
4724 return -ENOMEM;
4725 }
4726 if (r < 0)
4727 return r;
4728
4729 r = sd_bus_message_exit_container(m);
4730 if (r < 0)
4731 return r;
4732
4733 return 0;
4734 }
4735
4736 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4737 char bus_type;
4738 const char *contents;
4739 int r;
4740
4741 assert(name);
4742 assert(m);
4743
4744 /* This is a low-level property printer, see
4745 * print_status_info() for the nicer output */
4746
4747 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4748 if (r < 0)
4749 return r;
4750
4751 switch (bus_type) {
4752
4753 case SD_BUS_TYPE_INT32:
4754 if (endswith(name, "ActionExitStatus")) {
4755 int32_t i;
4756
4757 r = sd_bus_message_read_basic(m, bus_type, &i);
4758 if (r < 0)
4759 return r;
4760
4761 if (i >= 0 && i <= 255)
4762 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4763 else if (all)
4764 bus_print_property_value(name, expected_value, value, "[not set]");
4765
4766 return 1;
4767 } else if (streq(name, "NUMAPolicy")) {
4768 int32_t i;
4769
4770 r = sd_bus_message_read_basic(m, bus_type, &i);
4771 if (r < 0)
4772 return r;
4773
4774 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4775
4776 return 1;
4777 }
4778 break;
4779
4780 case SD_BUS_TYPE_STRUCT:
4781
4782 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4783 uint32_t u;
4784
4785 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4786 if (r < 0)
4787 return bus_log_parse_error(r);
4788
4789 if (u > 0)
4790 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4791 else if (all)
4792 bus_print_property_value(name, expected_value, value, "");
4793
4794 return 1;
4795
4796 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4797 const char *s;
4798
4799 r = sd_bus_message_read(m, "(so)", &s, NULL);
4800 if (r < 0)
4801 return bus_log_parse_error(r);
4802
4803 if (all || !isempty(s))
4804 bus_print_property_value(name, expected_value, value, s);
4805
4806 return 1;
4807
4808 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4809 const char *a = NULL, *b = NULL;
4810
4811 r = sd_bus_message_read(m, "(ss)", &a, &b);
4812 if (r < 0)
4813 return bus_log_parse_error(r);
4814
4815 if (!isempty(a) || !isempty(b))
4816 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4817 else if (all)
4818 bus_print_property_value(name, expected_value, value, "");
4819
4820 return 1;
4821
4822 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4823 _cleanup_strv_free_ char **l = NULL;
4824 int allow_list;
4825
4826 r = sd_bus_message_enter_container(m, 'r', "bas");
4827 if (r < 0)
4828 return bus_log_parse_error(r);
4829
4830 r = sd_bus_message_read(m, "b", &allow_list);
4831 if (r < 0)
4832 return bus_log_parse_error(r);
4833
4834 r = sd_bus_message_read_strv(m, &l);
4835 if (r < 0)
4836 return bus_log_parse_error(r);
4837
4838 r = sd_bus_message_exit_container(m);
4839 if (r < 0)
4840 return bus_log_parse_error(r);
4841
4842 if (all || allow_list || !strv_isempty(l)) {
4843 bool first = true;
4844 char **i;
4845
4846 if (!value) {
4847 fputs(name, stdout);
4848 fputc('=', stdout);
4849 }
4850
4851 if (!allow_list)
4852 fputc('~', stdout);
4853
4854 STRV_FOREACH(i, l) {
4855 if (first)
4856 first = false;
4857 else
4858 fputc(' ', stdout);
4859
4860 fputs(*i, stdout);
4861 }
4862 fputc('\n', stdout);
4863 }
4864
4865 return 1;
4866
4867 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4868 int ignore;
4869 const char *s;
4870
4871 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4872 if (r < 0)
4873 return bus_log_parse_error(r);
4874
4875 if (!isempty(s))
4876 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4877 else if (all)
4878 bus_print_property_value(name, expected_value, value, "");
4879
4880 return 1;
4881
4882 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4883 const int32_t *status, *signal;
4884 size_t n_status, n_signal, i;
4885
4886 r = sd_bus_message_enter_container(m, 'r', "aiai");
4887 if (r < 0)
4888 return bus_log_parse_error(r);
4889
4890 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status);
4891 if (r < 0)
4892 return bus_log_parse_error(r);
4893
4894 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal);
4895 if (r < 0)
4896 return bus_log_parse_error(r);
4897
4898 r = sd_bus_message_exit_container(m);
4899 if (r < 0)
4900 return bus_log_parse_error(r);
4901
4902 n_status /= sizeof(int32_t);
4903 n_signal /= sizeof(int32_t);
4904
4905 if (all || n_status > 0 || n_signal > 0) {
4906 bool first = true;
4907
4908 if (!value) {
4909 fputs(name, stdout);
4910 fputc('=', stdout);
4911 }
4912
4913 for (i = 0; i < n_status; i++) {
4914 if (first)
4915 first = false;
4916 else
4917 fputc(' ', stdout);
4918
4919 printf("%"PRIi32, status[i]);
4920 }
4921
4922 for (i = 0; i < n_signal; i++) {
4923 const char *str;
4924
4925 str = signal_to_string((int) signal[i]);
4926
4927 if (first)
4928 first = false;
4929 else
4930 fputc(' ', stdout);
4931
4932 if (str)
4933 fputs(str, stdout);
4934 else
4935 printf("%"PRIi32, status[i]);
4936 }
4937
4938 fputc('\n', stdout);
4939 }
4940 return 1;
4941 }
4942
4943 break;
4944
4945 case SD_BUS_TYPE_ARRAY:
4946
4947 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4948 const char *path;
4949 int ignore;
4950
4951 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4952 if (r < 0)
4953 return bus_log_parse_error(r);
4954
4955 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4956 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4957
4958 if (r < 0)
4959 return bus_log_parse_error(r);
4960
4961 r = sd_bus_message_exit_container(m);
4962 if (r < 0)
4963 return bus_log_parse_error(r);
4964
4965 return 1;
4966
4967 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4968 const char *type, *path;
4969
4970 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4971 if (r < 0)
4972 return bus_log_parse_error(r);
4973
4974 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4975 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
4976 if (r < 0)
4977 return bus_log_parse_error(r);
4978
4979 r = sd_bus_message_exit_container(m);
4980 if (r < 0)
4981 return bus_log_parse_error(r);
4982
4983 return 1;
4984
4985 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4986 const char *type, *path;
4987
4988 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4989 if (r < 0)
4990 return bus_log_parse_error(r);
4991
4992 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4993 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
4994 if (r < 0)
4995 return bus_log_parse_error(r);
4996
4997 r = sd_bus_message_exit_container(m);
4998 if (r < 0)
4999 return bus_log_parse_error(r);
5000
5001 return 1;
5002
5003 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5004 const char *base;
5005 uint64_t v, next_elapse;
5006
5007 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5008 if (r < 0)
5009 return bus_log_parse_error(r);
5010
5011 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5012 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5013
5014 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5015 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5016
5017 bus_print_property_valuef(name, expected_value, value,
5018 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5019 }
5020 if (r < 0)
5021 return bus_log_parse_error(r);
5022
5023 r = sd_bus_message_exit_container(m);
5024 if (r < 0)
5025 return bus_log_parse_error(r);
5026
5027 return 1;
5028
5029 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5030 const char *base, *spec;
5031 uint64_t next_elapse;
5032
5033 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5034 if (r < 0)
5035 return bus_log_parse_error(r);
5036
5037 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5038 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5039
5040 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5041 bus_print_property_valuef(name, expected_value, value,
5042 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5043 }
5044 if (r < 0)
5045 return bus_log_parse_error(r);
5046
5047 r = sd_bus_message_exit_container(m);
5048 if (r < 0)
5049 return bus_log_parse_error(r);
5050
5051 return 1;
5052
5053 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5054 ExecStatusInfo info = {};
5055 bool is_ex_prop = endswith(name, "Ex");
5056
5057 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5058 if (r < 0)
5059 return bus_log_parse_error(r);
5060
5061 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5062 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5063 _cleanup_strv_free_ char **optv = NULL;
5064 _cleanup_free_ char *tt, *o = NULL;
5065
5066 tt = strv_join(info.argv, " ");
5067
5068 if (is_ex_prop) {
5069 r = exec_command_flags_to_strv(info.flags, &optv);
5070 if (r < 0)
5071 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5072
5073 o = strv_join(optv, " ");
5074
5075 bus_print_property_valuef(name, expected_value, value,
5076 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5077 strna(info.path),
5078 strna(tt),
5079 strna(o),
5080 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5081 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5082 info.pid,
5083 sigchld_code_to_string(info.code),
5084 info.status,
5085 info.code == CLD_EXITED ? "" : "/",
5086 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5087 } else
5088 bus_print_property_valuef(name, expected_value, value,
5089 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5090 strna(info.path),
5091 strna(tt),
5092 yes_no(info.ignore),
5093 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5094 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5095 info.pid,
5096 sigchld_code_to_string(info.code),
5097 info.status,
5098 info.code == CLD_EXITED ? "" : "/",
5099 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5100
5101 free(info.path);
5102 strv_free(info.argv);
5103 zero(info);
5104 }
5105
5106 r = sd_bus_message_exit_container(m);
5107 if (r < 0)
5108 return bus_log_parse_error(r);
5109
5110 return 1;
5111
5112 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5113 const char *path, *rwm;
5114
5115 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5116 if (r < 0)
5117 return bus_log_parse_error(r);
5118
5119 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5120 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5121 if (r < 0)
5122 return bus_log_parse_error(r);
5123
5124 r = sd_bus_message_exit_container(m);
5125 if (r < 0)
5126 return bus_log_parse_error(r);
5127
5128 return 1;
5129
5130 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5131 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5132 const char *path;
5133 uint64_t weight;
5134
5135 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5136 if (r < 0)
5137 return bus_log_parse_error(r);
5138
5139 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5140 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5141 if (r < 0)
5142 return bus_log_parse_error(r);
5143
5144 r = sd_bus_message_exit_container(m);
5145 if (r < 0)
5146 return bus_log_parse_error(r);
5147
5148 return 1;
5149
5150 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5151 (cgroup_io_limit_type_from_string(name) >= 0 ||
5152 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5153 const char *path;
5154 uint64_t bandwidth;
5155
5156 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5157 if (r < 0)
5158 return bus_log_parse_error(r);
5159
5160 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5161 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5162 if (r < 0)
5163 return bus_log_parse_error(r);
5164
5165 r = sd_bus_message_exit_container(m);
5166 if (r < 0)
5167 return bus_log_parse_error(r);
5168
5169 return 1;
5170
5171 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5172 streq(name, "IODeviceLatencyTargetUSec")) {
5173 char ts[FORMAT_TIMESPAN_MAX];
5174 const char *path;
5175 uint64_t target;
5176
5177 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5178 if (r < 0)
5179 return bus_log_parse_error(r);
5180
5181 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5182 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5183 format_timespan(ts, sizeof(ts), target, 1));
5184 if (r < 0)
5185 return bus_log_parse_error(r);
5186
5187 r = sd_bus_message_exit_container(m);
5188 if (r < 0)
5189 return bus_log_parse_error(r);
5190
5191 return 1;
5192
5193 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "StandardInputData", "RootHashSignature")) {
5194 _cleanup_free_ char *h = NULL;
5195 const void *p;
5196 size_t sz;
5197 ssize_t n;
5198
5199 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5200 if (r < 0)
5201 return bus_log_parse_error(r);
5202
5203 n = base64mem(p, sz, &h);
5204 if (n < 0)
5205 return log_oom();
5206
5207 bus_print_property_value(name, expected_value, value, h);
5208
5209 return 1;
5210
5211 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5212 _cleanup_free_ char *addresses = NULL;
5213
5214 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5215 if (r < 0)
5216 return bus_log_parse_error(r);
5217
5218 for (;;) {
5219 _cleanup_free_ char *str = NULL;
5220 uint32_t prefixlen;
5221 int32_t family;
5222 const void *ap;
5223 size_t an;
5224
5225 r = sd_bus_message_enter_container(m, 'r', "iayu");
5226 if (r < 0)
5227 return bus_log_parse_error(r);
5228 if (r == 0)
5229 break;
5230
5231 r = sd_bus_message_read(m, "i", &family);
5232 if (r < 0)
5233 return bus_log_parse_error(r);
5234
5235 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5236 if (r < 0)
5237 return bus_log_parse_error(r);
5238
5239 r = sd_bus_message_read(m, "u", &prefixlen);
5240 if (r < 0)
5241 return bus_log_parse_error(r);
5242
5243 r = sd_bus_message_exit_container(m);
5244 if (r < 0)
5245 return bus_log_parse_error(r);
5246
5247 if (!IN_SET(family, AF_INET, AF_INET6))
5248 continue;
5249
5250 if (an != FAMILY_ADDRESS_SIZE(family))
5251 continue;
5252
5253 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5254 continue;
5255
5256 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5257 continue;
5258
5259 if (!strextend_with_separator(&addresses, " ", str, NULL))
5260 return log_oom();
5261 }
5262
5263 r = sd_bus_message_exit_container(m);
5264 if (r < 0)
5265 return bus_log_parse_error(r);
5266
5267 if (all || !isempty(addresses))
5268 bus_print_property_value(name, expected_value, value, strempty(addresses));
5269
5270 return 1;
5271
5272 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5273 _cleanup_free_ char *paths = NULL;
5274 const char *source, *dest;
5275 int ignore_enoent;
5276 uint64_t rbind;
5277
5278 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5279 if (r < 0)
5280 return bus_log_parse_error(r);
5281
5282 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5283 _cleanup_free_ char *str = NULL;
5284
5285 if (isempty(source))
5286 continue;
5287
5288 if (asprintf(&str, "%s%s%s%s%s",
5289 ignore_enoent ? "-" : "",
5290 source,
5291 isempty(dest) ? "" : ":",
5292 strempty(dest),
5293 rbind == MS_REC ? ":rbind" : "") < 0)
5294 return log_oom();
5295
5296 if (!strextend_with_separator(&paths, " ", str, NULL))
5297 return log_oom();
5298 }
5299 if (r < 0)
5300 return bus_log_parse_error(r);
5301
5302 r = sd_bus_message_exit_container(m);
5303 if (r < 0)
5304 return bus_log_parse_error(r);
5305
5306 if (all || !isempty(paths))
5307 bus_print_property_value(name, expected_value, value, strempty(paths));
5308
5309 return 1;
5310
5311 } else if (streq(name, "TemporaryFileSystem")) {
5312 _cleanup_free_ char *paths = NULL;
5313 const char *target, *option;
5314
5315 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5316 if (r < 0)
5317 return bus_log_parse_error(r);
5318
5319 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5320 _cleanup_free_ char *str = NULL;
5321
5322 if (isempty(target))
5323 continue;
5324
5325 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5326 return log_oom();
5327
5328 if (!strextend_with_separator(&paths, " ", str, NULL))
5329 return log_oom();
5330 }
5331 if (r < 0)
5332 return bus_log_parse_error(r);
5333
5334 r = sd_bus_message_exit_container(m);
5335 if (r < 0)
5336 return bus_log_parse_error(r);
5337
5338 if (all || !isempty(paths))
5339 bus_print_property_value(name, expected_value, value, strempty(paths));
5340
5341 return 1;
5342
5343 } else if (streq(name, "LogExtraFields")) {
5344 _cleanup_free_ char *fields = NULL;
5345 const void *p;
5346 size_t sz;
5347
5348 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5349 if (r < 0)
5350 return bus_log_parse_error(r);
5351
5352 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5353 _cleanup_free_ char *str = NULL;
5354 const char *eq;
5355
5356 if (memchr(p, 0, sz))
5357 continue;
5358
5359 eq = memchr(p, '=', sz);
5360 if (!eq)
5361 continue;
5362
5363 if (!journal_field_valid(p, eq - (const char*) p, false))
5364 continue;
5365
5366 str = malloc(sz + 1);
5367 if (!str)
5368 return log_oom();
5369
5370 memcpy(str, p, sz);
5371 str[sz] = '\0';
5372
5373 if (!utf8_is_valid(str))
5374 continue;
5375
5376 if (!strextend_with_separator(&fields, " ", str, NULL))
5377 return log_oom();
5378 }
5379 if (r < 0)
5380 return bus_log_parse_error(r);
5381
5382 r = sd_bus_message_exit_container(m);
5383 if (r < 0)
5384 return bus_log_parse_error(r);
5385
5386 if (all || !isempty(fields))
5387 bus_print_property_value(name, expected_value, value, strempty(fields));
5388
5389 return 1;
5390 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask", "AllowedCPUs", "AllowedMemoryNodes", "EffectiveCPUs", "EffectiveMemoryNodes")) {
5391 _cleanup_free_ char *affinity = NULL;
5392 _cleanup_(cpu_set_reset) CPUSet set = {};
5393 const void *a;
5394 size_t n;
5395
5396 r = sd_bus_message_read_array(m, 'y', &a, &n);
5397 if (r < 0)
5398 return bus_log_parse_error(r);
5399
5400 r = cpu_set_from_dbus(a, n, &set);
5401 if (r < 0)
5402 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5403
5404 affinity = cpu_set_to_range_string(&set);
5405 if (!affinity)
5406 return log_oom();
5407
5408 bus_print_property_value(name, expected_value, value, affinity);
5409
5410 return 1;
5411 } else if (streq(name, "MountImages")) {
5412 _cleanup_free_ char *paths = NULL;
5413 const char *source, *dest;
5414 int ignore_enoent;
5415
5416 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssb)");
5417 if (r < 0)
5418 return bus_log_parse_error(r);
5419
5420 while ((r = sd_bus_message_read(m, "(ssb)", &source, &dest, &ignore_enoent)) > 0) {
5421 _cleanup_free_ char *str = NULL;
5422
5423 if (isempty(source))
5424 continue;
5425
5426 if (asprintf(&str, "%s%s:%s", ignore_enoent ? "-" : "", source, dest) < 0)
5427 return log_oom();
5428
5429 if (!strextend_with_separator(&paths, " ", str, NULL))
5430 return log_oom();
5431 }
5432 if (r < 0)
5433 return bus_log_parse_error(r);
5434
5435 r = sd_bus_message_exit_container(m);
5436 if (r < 0)
5437 return bus_log_parse_error(r);
5438
5439 if (all || !isempty(paths))
5440 bus_print_property_value(name, expected_value, value, strempty(paths));
5441
5442 return 1;
5443
5444 }
5445
5446 break;
5447 }
5448
5449 return 0;
5450 }
5451
5452 typedef enum SystemctlShowMode{
5453 SYSTEMCTL_SHOW_PROPERTIES,
5454 SYSTEMCTL_SHOW_STATUS,
5455 SYSTEMCTL_SHOW_HELP,
5456 _SYSTEMCTL_SHOW_MODE_MAX,
5457 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5458 } SystemctlShowMode;
5459
5460 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5461 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5462 [SYSTEMCTL_SHOW_STATUS] = "status",
5463 [SYSTEMCTL_SHOW_HELP] = "help",
5464 };
5465
5466 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5467
5468 static int show_one(
5469 sd_bus *bus,
5470 const char *path,
5471 const char *unit,
5472 SystemctlShowMode show_mode,
5473 bool *new_line,
5474 bool *ellipsized) {
5475
5476 static const struct bus_properties_map property_map[] = {
5477 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5478 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5479 { "FreezerState", "s", NULL, offsetof(UnitStatusInfo, freezer_state) },
5480 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5481 {}
5482 }, status_map[] = {
5483 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5484 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5485 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5486 { "FreezerState", "s", NULL, offsetof(UnitStatusInfo, freezer_state) },
5487 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5488 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5489 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5490 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5491 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5492 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5493 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5494 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5495 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5496 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5497 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5498 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5499 { "TriggeredBy", "as", NULL, offsetof(UnitStatusInfo, triggered_by) },
5500 { "Triggers", "as", NULL, offsetof(UnitStatusInfo, triggers) },
5501 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5502 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5503 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5504 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5505 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5506 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5507 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5508 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5509 { "MainPID", "u", map_main_pid, 0 },
5510 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5511 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5512 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5513 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5514 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5515 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5516 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5517 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5518 { "LogNamespace", "s", NULL, offsetof(UnitStatusInfo, log_namespace) },
5519 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5520 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5521 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5522 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5523 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5524 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5525 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5526 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5527 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5528 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5529 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5530 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5531 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5532 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5533 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5534 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5535 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5536 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5537 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5538 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5539 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5540 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5541 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5542 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5543 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5544 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5545 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5546 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5547 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5548 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5549 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5550 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5551 { "ExecCondition", "a(sasbttttuii)", map_exec, 0 },
5552 { "ExecConditionEx", "a(sasasttttuii)", map_exec, 0 },
5553 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5554 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5555 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5556 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5557 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5558 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5559 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5560 { "ExecReloadEx", "a(sasasttttuii)", map_exec, 0 },
5561 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5562 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5563 { "ExecStopEx", "a(sasasttttuii)", map_exec, 0 },
5564 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5565 { "ExecStopPostEx", "a(sasasttttuii)", map_exec, 0 },
5566 {}
5567 };
5568
5569 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5570 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5571 _cleanup_set_free_ Set *found_properties = NULL;
5572 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5573 .memory_current = (uint64_t) -1,
5574 .memory_high = CGROUP_LIMIT_MAX,
5575 .memory_max = CGROUP_LIMIT_MAX,
5576 .memory_swap_max = CGROUP_LIMIT_MAX,
5577 .memory_limit = (uint64_t) -1,
5578 .cpu_usage_nsec = (uint64_t) -1,
5579 .tasks_current = (uint64_t) -1,
5580 .tasks_max = (uint64_t) -1,
5581 .ip_ingress_bytes = (uint64_t) -1,
5582 .ip_egress_bytes = (uint64_t) -1,
5583 .io_read_bytes = UINT64_MAX,
5584 .io_write_bytes = UINT64_MAX,
5585 };
5586 char **pp;
5587 int r;
5588
5589 assert(path);
5590 assert(new_line);
5591
5592 log_debug("Showing one %s", path);
5593
5594 r = bus_map_all_properties(
5595 bus,
5596 "org.freedesktop.systemd1",
5597 path,
5598 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5599 BUS_MAP_BOOLEAN_AS_BOOL,
5600 &error,
5601 &reply,
5602 &info);
5603 if (r < 0)
5604 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5605
5606 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5607 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5608 "Unit %s could not be found.", unit);
5609
5610 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5611 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5612 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5613 return -ENOENT;
5614 }
5615
5616 if (*new_line)
5617 printf("\n");
5618
5619 *new_line = true;
5620
5621 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5622 print_status_info(bus, &info, ellipsized);
5623
5624 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5625 return EXIT_PROGRAM_NOT_RUNNING;
5626
5627 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5628
5629 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5630 show_unit_help(&info);
5631 return 0;
5632 }
5633
5634 r = sd_bus_message_rewind(reply, true);
5635 if (r < 0)
5636 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5637
5638 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5639 if (r < 0)
5640 return bus_log_parse_error(r);
5641
5642 STRV_FOREACH(pp, arg_properties)
5643 if (!set_contains(found_properties, *pp))
5644 log_debug("Property %s does not exist.", *pp);
5645
5646 return 0;
5647 }
5648
5649 static int get_unit_dbus_path_by_pid(
5650 sd_bus *bus,
5651 uint32_t pid,
5652 char **unit) {
5653
5654 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5655 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5656 char *u;
5657 int r;
5658
5659 r = bus_call_method(bus, bus_systemd_mgr, "GetUnitByPID", &error, &reply, "u", pid);
5660 if (r < 0)
5661 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5662
5663 r = sd_bus_message_read(reply, "o", &u);
5664 if (r < 0)
5665 return bus_log_parse_error(r);
5666
5667 u = strdup(u);
5668 if (!u)
5669 return log_oom();
5670
5671 *unit = u;
5672 return 0;
5673 }
5674
5675 static int show_all(
5676 sd_bus *bus,
5677 bool *new_line,
5678 bool *ellipsized) {
5679
5680 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5681 _cleanup_free_ UnitInfo *unit_infos = NULL;
5682 const UnitInfo *u;
5683 unsigned c;
5684 int r, ret = 0;
5685
5686 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5687 if (r < 0)
5688 return r;
5689
5690 (void) pager_open(arg_pager_flags);
5691
5692 c = (unsigned) r;
5693
5694 typesafe_qsort(unit_infos, c, compare_unit_info);
5695
5696 for (u = unit_infos; u < unit_infos + c; u++) {
5697 _cleanup_free_ char *p = NULL;
5698
5699 p = unit_dbus_path_from_name(u->id);
5700 if (!p)
5701 return log_oom();
5702
5703 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5704 if (r < 0)
5705 return r;
5706 else if (r > 0 && ret == 0)
5707 ret = r;
5708 }
5709
5710 return ret;
5711 }
5712
5713 static int show_system_status(sd_bus *bus) {
5714 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5715 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5716 _cleanup_(machine_info_clear) struct machine_info mi = {};
5717 _cleanup_free_ char *hn = NULL;
5718 const char *on, *off;
5719 int r;
5720
5721 hn = gethostname_malloc();
5722 if (!hn)
5723 return log_oom();
5724
5725 r = bus_map_all_properties(
5726 bus,
5727 "org.freedesktop.systemd1",
5728 "/org/freedesktop/systemd1",
5729 machine_info_property_map,
5730 BUS_MAP_STRDUP,
5731 &error,
5732 NULL,
5733 &mi);
5734 if (r < 0)
5735 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5736
5737 if (streq_ptr(mi.state, "degraded")) {
5738 on = ansi_highlight_red();
5739 off = ansi_normal();
5740 } else if (streq_ptr(mi.state, "running")) {
5741 on = ansi_highlight_green();
5742 off = ansi_normal();
5743 } else {
5744 on = ansi_highlight_yellow();
5745 off = ansi_normal();
5746 }
5747
5748 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5749
5750 printf(" State: %s%s%s\n",
5751 on, strna(mi.state), off);
5752
5753 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5754 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5755
5756 printf(" Since: %s; %s\n",
5757 format_timestamp(since2, sizeof(since2), mi.timestamp),
5758 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5759
5760 printf(" CGroup: %s\n", mi.control_group ?: "/");
5761 if (IN_SET(arg_transport,
5762 BUS_TRANSPORT_LOCAL,
5763 BUS_TRANSPORT_MACHINE)) {
5764 static const char prefix[] = " ";
5765 unsigned c;
5766
5767 c = columns();
5768 if (c > sizeof(prefix) - 1)
5769 c -= sizeof(prefix) - 1;
5770 else
5771 c = 0;
5772
5773 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5774 }
5775
5776 return 0;
5777 }
5778
5779 static int show(int argc, char *argv[], void *userdata) {
5780 bool new_line = false, ellipsized = false;
5781 SystemctlShowMode show_mode;
5782 int r, ret = 0;
5783 sd_bus *bus;
5784
5785 assert(argv);
5786
5787 show_mode = systemctl_show_mode_from_string(argv[0]);
5788 if (show_mode < 0)
5789 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5790 "Invalid argument.");
5791
5792 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5793 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5794 "'help' command expects one or more unit names.\n"
5795 "(Alternatively, help for systemctl itself may be shown with --help)");
5796
5797 r = acquire_bus(BUS_MANAGER, &bus);
5798 if (r < 0)
5799 return r;
5800
5801 (void) pager_open(arg_pager_flags);
5802
5803 /* If no argument is specified inspect the manager itself */
5804 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5805 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5806
5807 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5808
5809 show_system_status(bus);
5810 new_line = true;
5811
5812 if (arg_all)
5813 ret = show_all(bus, &new_line, &ellipsized);
5814 } else {
5815 _cleanup_free_ char **patterns = NULL;
5816 char **name;
5817
5818 STRV_FOREACH(name, strv_skip(argv, 1)) {
5819 _cleanup_free_ char *path = NULL, *unit = NULL;
5820 uint32_t id;
5821
5822 if (safe_atou32(*name, &id) < 0) {
5823 if (strv_push(&patterns, *name) < 0)
5824 return log_oom();
5825
5826 continue;
5827 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5828 /* Interpret as job id */
5829 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5830 return log_oom();
5831
5832 } else {
5833 /* Interpret as PID */
5834 r = get_unit_dbus_path_by_pid(bus, id, &path);
5835 if (r < 0) {
5836 ret = r;
5837 continue;
5838 }
5839
5840 r = unit_name_from_dbus_path(path, &unit);
5841 if (r < 0)
5842 return log_oom();
5843 }
5844
5845 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5846 if (r < 0)
5847 return r;
5848 else if (r > 0 && ret == 0)
5849 ret = r;
5850 }
5851
5852 if (!strv_isempty(patterns)) {
5853 _cleanup_strv_free_ char **names = NULL;
5854
5855 r = expand_names(bus, patterns, NULL, &names, NULL);
5856 if (r < 0)
5857 return log_error_errno(r, "Failed to expand names: %m");
5858
5859 r = maybe_extend_with_unit_dependencies(bus, &names);
5860 if (r < 0)
5861 return r;
5862
5863 STRV_FOREACH(name, names) {
5864 _cleanup_free_ char *path;
5865
5866 path = unit_dbus_path_from_name(*name);
5867 if (!path)
5868 return log_oom();
5869
5870 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5871 if (r < 0)
5872 return r;
5873 if (r > 0 && ret == 0)
5874 ret = r;
5875 }
5876 }
5877 }
5878
5879 if (ellipsized && !arg_quiet)
5880 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5881
5882 return ret;
5883 }
5884
5885 static int cat(int argc, char *argv[], void *userdata) {
5886 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5887 _cleanup_strv_free_ char **names = NULL;
5888 char **name;
5889 sd_bus *bus;
5890 bool first = true;
5891 int r, rc = 0;
5892
5893 /* Include all units by default — i.e. continue as if the --all
5894 * option was used */
5895 if (strv_isempty(arg_states))
5896 arg_all = true;
5897
5898 if (arg_transport != BUS_TRANSPORT_LOCAL)
5899 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5900
5901 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5902 if (r < 0)
5903 return log_error_errno(r, "Failed to determine unit paths: %m");
5904
5905 r = acquire_bus(BUS_MANAGER, &bus);
5906 if (r < 0)
5907 return r;
5908
5909 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
5910 if (r < 0)
5911 return log_error_errno(r, "Failed to expand names: %m");
5912
5913 r = maybe_extend_with_unit_dependencies(bus, &names);
5914 if (r < 0)
5915 return r;
5916
5917 (void) pager_open(arg_pager_flags);
5918
5919 STRV_FOREACH(name, names) {
5920 _cleanup_free_ char *fragment_path = NULL;
5921 _cleanup_strv_free_ char **dropin_paths = NULL;
5922
5923 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5924 if (r == -ERFKILL) {
5925 printf("%s# Unit %s is masked%s.\n",
5926 ansi_highlight_magenta(),
5927 *name,
5928 ansi_normal());
5929 continue;
5930 }
5931 if (r == -EKEYREJECTED) {
5932 printf("%s# Unit %s could not be loaded.%s\n",
5933 ansi_highlight_magenta(),
5934 *name,
5935 ansi_normal());
5936 continue;
5937 }
5938 if (r < 0)
5939 return r;
5940 if (r == 0) {
5941 /* Skip units which have no on-disk counterpart, but
5942 * propagate the error to the user */
5943 rc = -ENOENT;
5944 continue;
5945 }
5946
5947 if (first)
5948 first = false;
5949 else
5950 puts("");
5951
5952 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5953 fprintf(stderr,
5954 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5955 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5956 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5957 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5958 ansi_highlight_red(),
5959 *name,
5960 ansi_highlight_red(),
5961 ansi_highlight_red(),
5962 ansi_highlight_red(),
5963 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5964 ansi_normal());
5965
5966 r = cat_files(fragment_path, dropin_paths, 0);
5967 if (r < 0)
5968 return r;
5969 }
5970
5971 return rc;
5972 }
5973
5974 static int set_property(int argc, char *argv[], void *userdata) {
5975 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5976 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5977 _cleanup_free_ char *n = NULL;
5978 UnitType t;
5979 sd_bus *bus;
5980 int r;
5981
5982 r = acquire_bus(BUS_MANAGER, &bus);
5983 if (r < 0)
5984 return r;
5985
5986 polkit_agent_open_maybe();
5987
5988 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "SetUnitProperties");
5989 if (r < 0)
5990 return bus_log_create_error(r);
5991
5992 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5993 if (r < 0)
5994 return log_error_errno(r, "Failed to mangle unit name: %m");
5995
5996 t = unit_name_to_type(n);
5997 if (t < 0)
5998 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
5999
6000 r = sd_bus_message_append(m, "sb", n, arg_runtime);
6001 if (r < 0)
6002 return bus_log_create_error(r);
6003
6004 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
6005 if (r < 0)
6006 return bus_log_create_error(r);
6007
6008 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
6009 if (r < 0)
6010 return r;
6011
6012 r = sd_bus_message_close_container(m);
6013 if (r < 0)
6014 return bus_log_create_error(r);
6015
6016 r = sd_bus_call(bus, m, 0, &error, NULL);
6017 if (r < 0)
6018 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
6019
6020 return 0;
6021 }
6022
6023 static int daemon_reload(int argc, char *argv[], void *userdata) {
6024 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6025 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6026 const char *method;
6027 sd_bus *bus;
6028 int r;
6029
6030 r = acquire_bus(BUS_MANAGER, &bus);
6031 if (r < 0)
6032 return r;
6033
6034 polkit_agent_open_maybe();
6035
6036 switch (arg_action) {
6037
6038 case ACTION_RELOAD:
6039 method = "Reload";
6040 break;
6041
6042 case ACTION_REEXEC:
6043 method = "Reexecute";
6044 break;
6045
6046 case ACTION_SYSTEMCTL:
6047 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6048 /* "daemon-reload" */ "Reload";
6049 break;
6050
6051 default:
6052 assert_not_reached("Unexpected action");
6053 }
6054
6055 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
6056 if (r < 0)
6057 return bus_log_create_error(r);
6058
6059 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6060 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6061 * their timeout, and for everything else there's the same time budget in place. */
6062
6063 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6064
6065 /* On reexecution, we expect a disconnect, not a reply */
6066 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6067 r = 0;
6068
6069 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6070 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6071
6072 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6073 * old ways of doing things, hence don't log any error in that case here. */
6074
6075 return r < 0 ? r : 0;
6076 }
6077
6078 static int trivial_method(int argc, char *argv[], void *userdata) {
6079 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6080 const char *method;
6081 sd_bus *bus;
6082 int r;
6083
6084 if (arg_dry_run)
6085 return 0;
6086
6087 r = acquire_bus(BUS_MANAGER, &bus);
6088 if (r < 0)
6089 return r;
6090
6091 polkit_agent_open_maybe();
6092
6093 method =
6094 streq(argv[0], "clear-jobs") ||
6095 streq(argv[0], "cancel") ? "ClearJobs" :
6096 streq(argv[0], "reset-failed") ? "ResetFailed" :
6097 streq(argv[0], "halt") ? "Halt" :
6098 streq(argv[0], "reboot") ? "Reboot" :
6099 streq(argv[0], "kexec") ? "KExec" :
6100 streq(argv[0], "exit") ? "Exit" :
6101 /* poweroff */ "PowerOff";
6102
6103 r = bus_call_method(bus, bus_systemd_mgr, method, &error, NULL, NULL);
6104 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6105 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6106
6107 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6108 * old ways of doing things, hence don't log any error in that case here. */
6109
6110 return r < 0 ? r : 0;
6111 }
6112
6113 static int reset_failed(int argc, char *argv[], void *userdata) {
6114 _cleanup_strv_free_ char **names = NULL;
6115 sd_bus *bus;
6116 char **name;
6117 int r, q;
6118
6119 if (argc <= 1)
6120 return trivial_method(argc, argv, userdata);
6121
6122 r = acquire_bus(BUS_MANAGER, &bus);
6123 if (r < 0)
6124 return r;
6125
6126 polkit_agent_open_maybe();
6127
6128 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
6129 if (r < 0)
6130 return log_error_errno(r, "Failed to expand names: %m");
6131
6132 STRV_FOREACH(name, names) {
6133 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6134
6135 q = bus_call_method(bus, bus_systemd_mgr, "ResetFailedUnit", &error, NULL, "s", *name);
6136 if (q < 0) {
6137 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6138 if (r == 0)
6139 r = q;
6140 }
6141 }
6142
6143 return r;
6144 }
6145
6146 static int print_variable(const char *s) {
6147 const char *sep;
6148 _cleanup_free_ char *esc = NULL;
6149
6150 sep = strchr(s, '=');
6151 if (!sep)
6152 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6153 "Invalid environment block");
6154
6155 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6156 if (!esc)
6157 return log_oom();
6158
6159 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6160 return 0;
6161 }
6162
6163 static int show_environment(int argc, char *argv[], void *userdata) {
6164 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6165 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6166 const char *text;
6167 sd_bus *bus;
6168 int r;
6169
6170 r = acquire_bus(BUS_MANAGER, &bus);
6171 if (r < 0)
6172 return r;
6173
6174 (void) pager_open(arg_pager_flags);
6175
6176 r = bus_get_property(bus, bus_systemd_mgr, "Environment", &error, &reply, "as");
6177 if (r < 0)
6178 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6179
6180 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6181 if (r < 0)
6182 return bus_log_parse_error(r);
6183
6184 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6185 r = print_variable(text);
6186 if (r < 0)
6187 return r;
6188 }
6189 if (r < 0)
6190 return bus_log_parse_error(r);
6191
6192 r = sd_bus_message_exit_container(reply);
6193 if (r < 0)
6194 return bus_log_parse_error(r);
6195
6196 return 0;
6197 }
6198
6199 static int switch_root(int argc, char *argv[], void *userdata) {
6200 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6201 _cleanup_free_ char *cmdline_init = NULL;
6202 const char *root, *init;
6203 sd_bus *bus;
6204 int r;
6205
6206 if (arg_transport != BUS_TRANSPORT_LOCAL)
6207 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6208
6209 if (argc < 2 || argc > 3)
6210 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6211
6212 root = argv[1];
6213
6214 if (argc >= 3)
6215 init = argv[2];
6216 else {
6217 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6218 if (r < 0)
6219 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6220
6221 init = cmdline_init;
6222 }
6223
6224 init = empty_to_null(init);
6225 if (init) {
6226 const char *root_systemd_path = NULL, *root_init_path = NULL;
6227
6228 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6229 root_init_path = prefix_roota(root, init);
6230
6231 /* If the passed init is actually the same as the
6232 * systemd binary, then let's suppress it. */
6233 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6234 init = NULL;
6235 }
6236
6237 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6238 * would exit with a failure status even though the switch to the new root has succeed. */
6239 assert(saved_argv);
6240 assert(saved_argv[0]);
6241 saved_argv[0][0] = '@';
6242
6243 r = acquire_bus(BUS_MANAGER, &bus);
6244 if (r < 0)
6245 return r;
6246
6247 /* If we are slow to exit after the root switch, the new systemd instance
6248 * will send us a signal to terminate. Just ignore it and exit normally.
6249 * This way the unit does not end up as failed.
6250 */
6251 r = ignore_signals(SIGTERM, -1);
6252 if (r < 0)
6253 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6254
6255 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6256
6257 r = bus_call_method(bus, bus_systemd_mgr, "SwitchRoot", &error, NULL, "ss", root, init);
6258 if (r < 0) {
6259 (void) default_signals(SIGTERM, -1);
6260
6261 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6262 }
6263
6264 return 0;
6265 }
6266
6267 static int log_level(int argc, char *argv[], void *userdata) {
6268 sd_bus *bus;
6269 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6270 int r;
6271
6272 r = acquire_bus(BUS_MANAGER, &bus);
6273 if (r < 0)
6274 return r;
6275
6276 if (argc == 1) {
6277 _cleanup_free_ char *level = NULL;
6278
6279 r = bus_get_property_string(bus, bus_systemd_mgr, "LogLevel", &error, &level);
6280 if (r < 0)
6281 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
6282
6283 puts(level);
6284
6285 } else {
6286 assert(argc == 2);
6287
6288 r = bus_set_property(bus, bus_systemd_mgr, "LogLevel", &error, "s", argv[1]);
6289 if (r < 0)
6290 return log_error_errno(r, "Failed to set log level: %s", bus_error_message(&error, r));
6291 }
6292
6293 return 0;
6294 }
6295
6296 static int log_target(int argc, char *argv[], void *userdata) {
6297 sd_bus *bus;
6298 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6299 int r;
6300
6301 r = acquire_bus(BUS_MANAGER, &bus);
6302 if (r < 0)
6303 return r;
6304
6305 if (argc == 1) {
6306 _cleanup_free_ char *target = NULL;
6307
6308 r = bus_get_property_string(bus, bus_systemd_mgr, "LogTarget", &error, &target);
6309 if (r < 0)
6310 return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
6311
6312 puts(target);
6313
6314 } else {
6315 assert(argc == 2);
6316
6317 r = bus_set_property(bus, bus_systemd_mgr, "LogTarget", &error, "s", argv[1]);
6318 if (r < 0)
6319 return log_error_errno(r, "Failed to set log target: %s", bus_error_message(&error, r));
6320 }
6321
6322 return 0;
6323 }
6324
6325 static int service_watchdogs(int argc, char *argv[], void *userdata) {
6326 sd_bus *bus;
6327 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6328 int b, r;
6329
6330 assert(argv);
6331
6332 r = acquire_bus(BUS_MANAGER, &bus);
6333 if (r < 0)
6334 return r;
6335
6336 if (argc == 1) {
6337 /* get ServiceWatchdogs */
6338 r = bus_get_property_trivial(bus, bus_systemd_mgr, "ServiceWatchdogs", &error, 'b', &b);
6339 if (r < 0)
6340 return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
6341
6342 printf("%s\n", yes_no(!!b));
6343
6344 } else {
6345 /* set ServiceWatchdogs */
6346 assert(argc == 2);
6347
6348 b = parse_boolean(argv[1]);
6349 if (b < 0)
6350 return log_error_errno(b, "Failed to parse service-watchdogs argument: %m");
6351
6352 r = bus_set_property(bus, bus_systemd_mgr, "ServiceWatchdogs", &error, "b", b);
6353 if (r < 0)
6354 return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
6355 }
6356
6357 return 0;
6358 }
6359
6360 static int set_environment(int argc, char *argv[], void *userdata) {
6361 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6362 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6363 const char *method;
6364 sd_bus *bus;
6365 int r;
6366
6367 assert(argc > 1);
6368 assert(argv);
6369
6370 r = acquire_bus(BUS_MANAGER, &bus);
6371 if (r < 0)
6372 return r;
6373
6374 polkit_agent_open_maybe();
6375
6376 method = streq(argv[0], "set-environment")
6377 ? "SetEnvironment"
6378 : "UnsetEnvironment";
6379
6380 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
6381 if (r < 0)
6382 return bus_log_create_error(r);
6383
6384 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6385 if (r < 0)
6386 return bus_log_create_error(r);
6387
6388 r = sd_bus_call(bus, m, 0, &error, NULL);
6389 if (r < 0)
6390 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6391
6392 return 0;
6393 }
6394
6395 static int import_environment(int argc, char *argv[], void *userdata) {
6396 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6397 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6398 sd_bus *bus;
6399 int r;
6400
6401 r = acquire_bus(BUS_MANAGER, &bus);
6402 if (r < 0)
6403 return r;
6404
6405 polkit_agent_open_maybe();
6406
6407 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "SetEnvironment");
6408 if (r < 0)
6409 return bus_log_create_error(r);
6410
6411 if (argc < 2)
6412 r = sd_bus_message_append_strv(m, environ);
6413 else {
6414 char **a, **b;
6415
6416 r = sd_bus_message_open_container(m, 'a', "s");
6417 if (r < 0)
6418 return bus_log_create_error(r);
6419
6420 STRV_FOREACH(a, strv_skip(argv, 1)) {
6421
6422 if (!env_name_is_valid(*a))
6423 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6424
6425 STRV_FOREACH(b, environ) {
6426 const char *eq;
6427
6428 eq = startswith(*b, *a);
6429 if (eq && *eq == '=') {
6430
6431 r = sd_bus_message_append(m, "s", *b);
6432 if (r < 0)
6433 return bus_log_create_error(r);
6434
6435 break;
6436 }
6437 }
6438 }
6439
6440 r = sd_bus_message_close_container(m);
6441 }
6442 if (r < 0)
6443 return bus_log_create_error(r);
6444
6445 r = sd_bus_call(bus, m, 0, &error, NULL);
6446 if (r < 0)
6447 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6448
6449 return 0;
6450 }
6451
6452 static int enable_sysv_units(const char *verb, char **args) {
6453 int r = 0;
6454
6455 #if HAVE_SYSV_COMPAT
6456 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6457 unsigned f = 0;
6458
6459 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6460
6461 if (arg_scope != UNIT_FILE_SYSTEM)
6462 return 0;
6463
6464 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6465 return 0;
6466
6467 if (!STR_IN_SET(verb,
6468 "enable",
6469 "disable",
6470 "is-enabled"))
6471 return 0;
6472
6473 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6474 if (r < 0)
6475 return r;
6476
6477 r = 0;
6478 while (args[f]) {
6479
6480 const char *argv[] = {
6481 ROOTLIBEXECDIR "/systemd-sysv-install",
6482 NULL, /* --root= */
6483 NULL, /* verb */
6484 NULL, /* service */
6485 NULL,
6486 };
6487
6488 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6489 bool found_native = false, found_sysv;
6490 const char *name;
6491 unsigned c = 1;
6492 pid_t pid;
6493 int j;
6494
6495 name = args[f++];
6496
6497 if (!endswith(name, ".service"))
6498 continue;
6499
6500 if (path_is_absolute(name))
6501 continue;
6502
6503 j = unit_file_exists(arg_scope, &paths, name);
6504 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6505 return log_error_errno(j, "Failed to look up unit file state: %m");
6506 found_native = j != 0;
6507
6508 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6509 * prefer the native unit */
6510 if (found_native && streq(verb, "is-enabled"))
6511 continue;
6512
6513 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6514 if (!p)
6515 return log_oom();
6516
6517 p[strlen(p) - STRLEN(".service")] = 0;
6518 found_sysv = access(p, F_OK) >= 0;
6519 if (!found_sysv)
6520 continue;
6521
6522 if (!arg_quiet) {
6523 if (found_native)
6524 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6525 else
6526 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6527 }
6528
6529 if (!isempty(arg_root)) {
6530 q = strjoin("--root=", arg_root);
6531 if (!q)
6532 return log_oom();
6533
6534 argv[c++] = q;
6535 }
6536
6537 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6538 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6539 v = strdup(verb);
6540 if (!v)
6541 return log_oom();
6542
6543 argv[c++] = v;
6544 argv[c++] = basename(p);
6545 argv[c] = NULL;
6546
6547 l = strv_join((char**)argv, " ");
6548 if (!l)
6549 return log_oom();
6550
6551 if (!arg_quiet)
6552 log_info("Executing: %s", l);
6553
6554 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6555 if (j < 0)
6556 return j;
6557 if (j == 0) {
6558 /* Child */
6559 execv(argv[0], (char**) argv);
6560 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6561 _exit(EXIT_FAILURE);
6562 }
6563
6564 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6565 if (j < 0)
6566 return j;
6567 if (streq(verb, "is-enabled")) {
6568 if (j == EXIT_SUCCESS) {
6569 if (!arg_quiet)
6570 puts("enabled");
6571 r = 1;
6572 } else {
6573 if (!arg_quiet)
6574 puts("disabled");
6575 }
6576
6577 } else if (j != EXIT_SUCCESS)
6578 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6579
6580 if (found_native)
6581 continue;
6582
6583 /* Remove this entry, so that we don't try enabling it as native unit */
6584 assert(f > 0);
6585 f--;
6586 assert(args[f] == name);
6587 strv_remove(args + f, name);
6588 }
6589
6590 #endif
6591 return r;
6592 }
6593
6594 static int mangle_names(const char *operation, char **original_names, char ***mangled_names) {
6595 char **i, **l, **name;
6596 int r;
6597
6598 l = i = new(char*, strv_length(original_names) + 1);
6599 if (!l)
6600 return log_oom();
6601
6602 STRV_FOREACH(name, original_names) {
6603
6604 /* When enabling units qualified path names are OK,
6605 * too, hence allow them explicitly. */
6606
6607 if (is_path(*name)) {
6608 *i = strdup(*name);
6609 if (!*i) {
6610 strv_free(l);
6611 return log_oom();
6612 }
6613 } else {
6614 r = unit_name_mangle_with_suffix(*name, operation,
6615 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
6616 ".service", i);
6617 if (r < 0) {
6618 *i = NULL;
6619 strv_free(l);
6620 return log_error_errno(r, "Failed to mangle unit name: %m");
6621 }
6622 }
6623
6624 i++;
6625 }
6626
6627 *i = NULL;
6628 *mangled_names = l;
6629
6630 return 0;
6631 }
6632
6633 static int normalize_filenames(char **names) {
6634 char **u;
6635 int r;
6636
6637 STRV_FOREACH(u, names)
6638 if (!path_is_absolute(*u)) {
6639 char* normalized_path;
6640
6641 if (!isempty(arg_root))
6642 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6643 "Non-absolute paths are not allowed when --root is used: %s",
6644 *u);
6645
6646 if (!strchr(*u,'/'))
6647 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6648 "Link argument does contain at least one directory separator: %s",
6649 *u);
6650
6651 r = path_make_absolute_cwd(*u, &normalized_path);
6652 if (r < 0)
6653 return r;
6654
6655 free_and_replace(*u, normalized_path);
6656 }
6657
6658 return 0;
6659 }
6660
6661 static int normalize_names(char **names, bool warn_if_path) {
6662 char **u;
6663 bool was_path = false;
6664
6665 STRV_FOREACH(u, names) {
6666 int r;
6667
6668 if (!is_path(*u))
6669 continue;
6670
6671 r = free_and_strdup(u, basename(*u));
6672 if (r < 0)
6673 return log_error_errno(r, "Failed to normalize unit file path: %m");
6674
6675 was_path = true;
6676 }
6677
6678 if (warn_if_path && was_path)
6679 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6680
6681 return 0;
6682 }
6683
6684 static int unit_exists(LookupPaths *lp, const char *unit) {
6685 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6686 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6687 _cleanup_free_ char *path = NULL;
6688 static const struct bus_properties_map property_map[] = {
6689 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6690 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6691 {},
6692 };
6693 UnitStatusInfo info = {};
6694 sd_bus *bus;
6695 int r;
6696
6697 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6698 return unit_find_template_path(unit, lp, NULL, NULL);
6699
6700 path = unit_dbus_path_from_name(unit);
6701 if (!path)
6702 return log_oom();
6703
6704 r = acquire_bus(BUS_MANAGER, &bus);
6705 if (r < 0)
6706 return r;
6707
6708 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6709 if (r < 0)
6710 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6711
6712 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6713 }
6714
6715 static int enable_unit(int argc, char *argv[], void *userdata) {
6716 _cleanup_strv_free_ char **names = NULL;
6717 const char *verb = argv[0];
6718 UnitFileChange *changes = NULL;
6719 size_t n_changes = 0;
6720 int carries_install_info = -1;
6721 bool ignore_carries_install_info = arg_quiet;
6722 int r;
6723
6724 if (!argv[1])
6725 return 0;
6726
6727 r = mangle_names("to enable", strv_skip(argv, 1), &names);
6728 if (r < 0)
6729 return r;
6730
6731 r = enable_sysv_units(verb, names);
6732 if (r < 0)
6733 return r;
6734
6735 /* If the operation was fully executed by the SysV compat, let's finish early */
6736 if (strv_isempty(names)) {
6737 if (arg_no_reload || install_client_side())
6738 return 0;
6739 return daemon_reload(argc, argv, userdata);
6740 }
6741
6742 if (streq(verb, "disable")) {
6743 r = normalize_names(names, true);
6744 if (r < 0)
6745 return r;
6746 }
6747
6748 if (streq(verb, "link")) {
6749 r = normalize_filenames(names);
6750 if (r < 0)
6751 return r;
6752 }
6753
6754 if (install_client_side()) {
6755 UnitFileFlags flags;
6756
6757 flags = args_to_flags();
6758 if (streq(verb, "enable")) {
6759 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6760 carries_install_info = r;
6761 } else if (streq(verb, "disable"))
6762 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6763 else if (streq(verb, "reenable")) {
6764 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6765 carries_install_info = r;
6766 } else if (streq(verb, "link"))
6767 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6768 else if (streq(verb, "preset")) {
6769 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6770 } else if (streq(verb, "mask"))
6771 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6772 else if (streq(verb, "unmask"))
6773 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6774 else if (streq(verb, "revert"))
6775 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6776 else
6777 assert_not_reached("Unknown verb");
6778
6779 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6780 if (r < 0)
6781 goto finish;
6782 r = 0;
6783 } else {
6784 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6785 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6786 bool expect_carries_install_info = false;
6787 bool send_runtime = true, send_force = true, send_preset_mode = false;
6788 const char *method;
6789 sd_bus *bus;
6790
6791 if (STR_IN_SET(verb, "mask", "unmask")) {
6792 char **name;
6793 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6794
6795 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6796 if (r < 0)
6797 return r;
6798
6799 STRV_FOREACH(name, names) {
6800 r = unit_exists(&lp, *name);
6801 if (r < 0)
6802 return r;
6803 if (r == 0)
6804 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6805 }
6806 }
6807
6808 r = acquire_bus(BUS_MANAGER, &bus);
6809 if (r < 0)
6810 return r;
6811
6812 polkit_agent_open_maybe();
6813
6814 if (streq(verb, "enable")) {
6815 method = "EnableUnitFiles";
6816 expect_carries_install_info = true;
6817 } else if (streq(verb, "disable")) {
6818 method = "DisableUnitFiles";
6819 send_force = false;
6820 } else if (streq(verb, "reenable")) {
6821 method = "ReenableUnitFiles";
6822 expect_carries_install_info = true;
6823 } else if (streq(verb, "link"))
6824 method = "LinkUnitFiles";
6825 else if (streq(verb, "preset")) {
6826
6827 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6828 method = "PresetUnitFilesWithMode";
6829 send_preset_mode = true;
6830 } else
6831 method = "PresetUnitFiles";
6832
6833 expect_carries_install_info = true;
6834 ignore_carries_install_info = true;
6835 } else if (streq(verb, "mask"))
6836 method = "MaskUnitFiles";
6837 else if (streq(verb, "unmask")) {
6838 method = "UnmaskUnitFiles";
6839 send_force = false;
6840 } else if (streq(verb, "revert")) {
6841 method = "RevertUnitFiles";
6842 send_runtime = send_force = false;
6843 } else
6844 assert_not_reached("Unknown verb");
6845
6846 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
6847 if (r < 0)
6848 return bus_log_create_error(r);
6849
6850 r = sd_bus_message_append_strv(m, names);
6851 if (r < 0)
6852 return bus_log_create_error(r);
6853
6854 if (send_preset_mode) {
6855 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6856 if (r < 0)
6857 return bus_log_create_error(r);
6858 }
6859
6860 if (send_runtime) {
6861 r = sd_bus_message_append(m, "b", arg_runtime);
6862 if (r < 0)
6863 return bus_log_create_error(r);
6864 }
6865
6866 if (send_force) {
6867 r = sd_bus_message_append(m, "b", arg_force);
6868 if (r < 0)
6869 return bus_log_create_error(r);
6870 }
6871
6872 r = sd_bus_call(bus, m, 0, &error, &reply);
6873 if (r < 0)
6874 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6875
6876 if (expect_carries_install_info) {
6877 r = sd_bus_message_read(reply, "b", &carries_install_info);
6878 if (r < 0)
6879 return bus_log_parse_error(r);
6880 }
6881
6882 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6883 if (r < 0)
6884 goto finish;
6885
6886 /* Try to reload if enabled */
6887 if (!arg_no_reload)
6888 r = daemon_reload(argc, argv, userdata);
6889 else
6890 r = 0;
6891 }
6892
6893 if (carries_install_info == 0 && !ignore_carries_install_info)
6894 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6895 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6896 "units). This means they are not meant to be enabled using systemctl.\n"
6897 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6898 "Possible reasons for having this kind of units are:\n"
6899 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6900 " .wants/ or .requires/ directory.\n"
6901 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6902 " a requirement dependency on it.\n"
6903 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6904 " D-Bus, udev, scripted systemctl call, ...).\n"
6905 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6906 " instance name specified.",
6907 special_glyph(SPECIAL_GLYPH_BULLET));
6908
6909 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6910 sd_bus *bus;
6911 size_t len, i;
6912
6913 r = acquire_bus(BUS_MANAGER, &bus);
6914 if (r < 0)
6915 goto finish;
6916
6917 len = strv_length(names);
6918 {
6919 char *new_args[len + 2];
6920
6921 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6922 for (i = 0; i < len; i++)
6923 new_args[i + 1] = basename(names[i]);
6924 new_args[i + 1] = NULL;
6925
6926 r = start_unit(len + 1, new_args, userdata);
6927 }
6928 }
6929
6930 finish:
6931 unit_file_changes_free(changes, n_changes);
6932
6933 return r;
6934 }
6935
6936 static int add_dependency(int argc, char *argv[], void *userdata) {
6937 _cleanup_strv_free_ char **names = NULL;
6938 _cleanup_free_ char *target = NULL;
6939 const char *verb = argv[0];
6940 UnitFileChange *changes = NULL;
6941 size_t n_changes = 0;
6942 UnitDependency dep;
6943 int r = 0;
6944
6945 if (!argv[1])
6946 return 0;
6947
6948 r = unit_name_mangle_with_suffix(argv[1], "as target",
6949 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
6950 ".target", &target);
6951 if (r < 0)
6952 return log_error_errno(r, "Failed to mangle unit name: %m");
6953
6954 r = mangle_names("as dependency", strv_skip(argv, 2), &names);
6955 if (r < 0)
6956 return r;
6957
6958 if (streq(verb, "add-wants"))
6959 dep = UNIT_WANTS;
6960 else if (streq(verb, "add-requires"))
6961 dep = UNIT_REQUIRES;
6962 else
6963 assert_not_reached("Unknown verb");
6964
6965 if (install_client_side()) {
6966 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6967 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6968
6969 if (r > 0)
6970 r = 0;
6971 } else {
6972 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6973 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6974 sd_bus *bus;
6975
6976 r = acquire_bus(BUS_MANAGER, &bus);
6977 if (r < 0)
6978 return r;
6979
6980 polkit_agent_open_maybe();
6981
6982 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "AddDependencyUnitFiles");
6983 if (r < 0)
6984 return bus_log_create_error(r);
6985
6986 r = sd_bus_message_append_strv(m, names);
6987 if (r < 0)
6988 return bus_log_create_error(r);
6989
6990 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6991 if (r < 0)
6992 return bus_log_create_error(r);
6993
6994 r = sd_bus_call(bus, m, 0, &error, &reply);
6995 if (r < 0)
6996 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6997
6998 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6999 if (r < 0)
7000 goto finish;
7001
7002 if (arg_no_reload) {
7003 r = 0;
7004 goto finish;
7005 }
7006
7007 r = daemon_reload(argc, argv, userdata);
7008 }
7009
7010 finish:
7011 unit_file_changes_free(changes, n_changes);
7012
7013 return r;
7014 }
7015
7016 static int preset_all(int argc, char *argv[], void *userdata) {
7017 UnitFileChange *changes = NULL;
7018 size_t n_changes = 0;
7019 int r;
7020
7021 if (install_client_side()) {
7022 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
7023 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
7024
7025 if (r > 0)
7026 r = 0;
7027 } else {
7028 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7029 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7030 sd_bus *bus;
7031
7032 r = acquire_bus(BUS_MANAGER, &bus);
7033 if (r < 0)
7034 return r;
7035
7036 polkit_agent_open_maybe();
7037
7038 r = bus_call_method(
7039 bus,
7040 bus_systemd_mgr,
7041 "PresetAllUnitFiles",
7042 &error,
7043 &reply,
7044 "sbb",
7045 unit_file_preset_mode_to_string(arg_preset_mode),
7046 arg_runtime,
7047 arg_force);
7048 if (r < 0)
7049 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
7050
7051 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7052 if (r < 0)
7053 goto finish;
7054
7055 if (arg_no_reload) {
7056 r = 0;
7057 goto finish;
7058 }
7059
7060 r = daemon_reload(argc, argv, userdata);
7061 }
7062
7063 finish:
7064 unit_file_changes_free(changes, n_changes);
7065
7066 return r;
7067 }
7068
7069 static int show_installation_targets_client_side(const char *name) {
7070 UnitFileChange *changes = NULL;
7071 size_t n_changes = 0, i;
7072 UnitFileFlags flags;
7073 char **p;
7074 int r;
7075
7076 p = STRV_MAKE(name);
7077 flags = UNIT_FILE_DRY_RUN |
7078 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7079
7080 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7081 if (r < 0)
7082 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7083
7084 for (i = 0; i < n_changes; i++)
7085 if (changes[i].type == UNIT_FILE_UNLINK)
7086 printf(" %s\n", changes[i].path);
7087
7088 return 0;
7089 }
7090
7091 static int show_installation_targets(sd_bus *bus, const char *name) {
7092 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7093 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7094 const char *link;
7095 int r;
7096
7097 r = bus_call_method(bus, bus_systemd_mgr, "GetUnitFileLinks", &error, &reply, "sb", name, arg_runtime);
7098 if (r < 0)
7099 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7100
7101 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7102 if (r < 0)
7103 return bus_log_parse_error(r);
7104
7105 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7106 printf(" %s\n", link);
7107
7108 if (r < 0)
7109 return bus_log_parse_error(r);
7110
7111 r = sd_bus_message_exit_container(reply);
7112 if (r < 0)
7113 return bus_log_parse_error(r);
7114
7115 return 0;
7116 }
7117
7118 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7119 _cleanup_strv_free_ char **names = NULL;
7120 bool enabled;
7121 char **name;
7122 int r;
7123
7124 r = mangle_names("to check", strv_skip(argv, 1), &names);
7125 if (r < 0)
7126 return r;
7127
7128 r = enable_sysv_units(argv[0], names);
7129 if (r < 0)
7130 return r;
7131
7132 enabled = r > 0;
7133
7134 if (install_client_side()) {
7135 STRV_FOREACH(name, names) {
7136 UnitFileState state;
7137
7138 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7139 if (r < 0)
7140 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7141
7142 if (IN_SET(state,
7143 UNIT_FILE_ENABLED,
7144 UNIT_FILE_ENABLED_RUNTIME,
7145 UNIT_FILE_STATIC,
7146 UNIT_FILE_ALIAS,
7147 UNIT_FILE_INDIRECT,
7148 UNIT_FILE_GENERATED))
7149 enabled = true;
7150
7151 if (!arg_quiet) {
7152 puts(unit_file_state_to_string(state));
7153 if (arg_full) {
7154 r = show_installation_targets_client_side(*name);
7155 if (r < 0)
7156 return r;
7157 }
7158 }
7159 }
7160
7161 r = 0;
7162 } else {
7163 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7164 sd_bus *bus;
7165
7166 r = acquire_bus(BUS_MANAGER, &bus);
7167 if (r < 0)
7168 return r;
7169
7170 STRV_FOREACH(name, names) {
7171 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7172 const char *s;
7173
7174 r = bus_call_method(bus, bus_systemd_mgr, "GetUnitFileState", &error, &reply, "s", *name);
7175 if (r < 0)
7176 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7177
7178 r = sd_bus_message_read(reply, "s", &s);
7179 if (r < 0)
7180 return bus_log_parse_error(r);
7181
7182 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7183 enabled = true;
7184
7185 if (!arg_quiet) {
7186 puts(s);
7187 if (arg_full) {
7188 r = show_installation_targets(bus, *name);
7189 if (r < 0)
7190 return r;
7191 }
7192 }
7193 }
7194 }
7195
7196 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7197 }
7198
7199 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7200 char **state = userdata;
7201 int r;
7202
7203 assert(state);
7204
7205 r = bus_get_property_string(sd_bus_message_get_bus(m), bus_systemd_mgr, "SystemState", NULL, state);
7206
7207 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7208 return 0;
7209 }
7210
7211 static int is_system_running(int argc, char *argv[], void *userdata) {
7212 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7213 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7214 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7215 _cleanup_free_ char *state = NULL;
7216 sd_bus *bus;
7217 int r;
7218
7219 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7220 if (!arg_quiet)
7221 puts("offline");
7222 return EXIT_FAILURE;
7223 }
7224
7225 r = acquire_bus(BUS_MANAGER, &bus);
7226 if (r < 0)
7227 return r;
7228
7229 if (arg_wait) {
7230 r = sd_event_default(&event);
7231 if (r >= 0)
7232 r = sd_bus_attach_event(bus, event, 0);
7233 if (r >= 0)
7234 r = bus_match_signal_async(
7235 bus,
7236 &slot_startup_finished,
7237 bus_systemd_mgr,
7238 "StartupFinished",
7239 match_startup_finished, NULL, &state);
7240 if (r < 0) {
7241 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7242 arg_wait = false;
7243 }
7244 }
7245
7246 r = bus_get_property_string(bus, bus_systemd_mgr, "SystemState", &error, &state);
7247 if (r < 0) {
7248 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7249
7250 if (!arg_quiet)
7251 puts("unknown");
7252 return EXIT_FAILURE;
7253 }
7254
7255 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7256 r = sd_event_loop(event);
7257 if (r < 0) {
7258 log_warning_errno(r, "Failed to get property from event loop: %m");
7259 if (!arg_quiet)
7260 puts("unknown");
7261 return EXIT_FAILURE;
7262 }
7263 }
7264
7265 if (!arg_quiet)
7266 puts(state);
7267
7268 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7269 }
7270
7271 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7272 _cleanup_free_ char *t = NULL;
7273 int r;
7274
7275 assert(new_path);
7276 assert(original_path);
7277 assert(ret_tmp_fn);
7278
7279 r = tempfn_random(new_path, NULL, &t);
7280 if (r < 0)
7281 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7282
7283 r = mkdir_parents(new_path, 0755);
7284 if (r < 0)
7285 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7286
7287 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7288 if (r == -ENOENT) {
7289
7290 r = touch(t);
7291 if (r < 0)
7292 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7293
7294 } else if (r < 0)
7295 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7296
7297 *ret_tmp_fn = TAKE_PTR(t);
7298
7299 return 0;
7300 }
7301
7302 static int get_file_to_edit(
7303 const LookupPaths *paths,
7304 const char *name,
7305 char **ret_path) {
7306
7307 _cleanup_free_ char *path = NULL, *run = NULL;
7308
7309 assert(name);
7310 assert(ret_path);
7311
7312 path = path_join(paths->persistent_config, name);
7313 if (!path)
7314 return log_oom();
7315
7316 if (arg_runtime) {
7317 run = path_join(paths->runtime_config, name);
7318 if (!run)
7319 return log_oom();
7320 }
7321
7322 if (arg_runtime) {
7323 if (access(path, F_OK) >= 0)
7324 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7325 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7326 run, path);
7327
7328 *ret_path = TAKE_PTR(run);
7329 } else
7330 *ret_path = TAKE_PTR(path);
7331
7332 return 0;
7333 }
7334
7335 static int unit_file_create_new(
7336 const LookupPaths *paths,
7337 const char *unit_name,
7338 const char *suffix,
7339 char **ret_new_path,
7340 char **ret_tmp_path) {
7341
7342 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7343 const char *ending;
7344 int r;
7345
7346 assert(unit_name);
7347 assert(ret_new_path);
7348 assert(ret_tmp_path);
7349
7350 ending = strjoina(unit_name, suffix);
7351 r = get_file_to_edit(paths, ending, &new_path);
7352 if (r < 0)
7353 return r;
7354
7355 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7356 if (r < 0)
7357 return r;
7358
7359 *ret_new_path = TAKE_PTR(new_path);
7360 *ret_tmp_path = TAKE_PTR(tmp_path);
7361
7362 return 0;
7363 }
7364
7365 static int unit_file_create_copy(
7366 const LookupPaths *paths,
7367 const char *unit_name,
7368 const char *fragment_path,
7369 char **ret_new_path,
7370 char **ret_tmp_path) {
7371
7372 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7373 int r;
7374
7375 assert(fragment_path);
7376 assert(unit_name);
7377 assert(ret_new_path);
7378 assert(ret_tmp_path);
7379
7380 r = get_file_to_edit(paths, unit_name, &new_path);
7381 if (r < 0)
7382 return r;
7383
7384 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7385 char response;
7386
7387 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7388 if (r < 0)
7389 return r;
7390 if (response != 'y')
7391 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7392 }
7393
7394 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7395 if (r < 0)
7396 return r;
7397
7398 *ret_new_path = TAKE_PTR(new_path);
7399 *ret_tmp_path = TAKE_PTR(tmp_path);
7400
7401 return 0;
7402 }
7403
7404 static int run_editor(char **paths) {
7405 int r;
7406
7407 assert(paths);
7408
7409 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7410 if (r < 0)
7411 return r;
7412 if (r == 0) {
7413 char **editor_args = NULL, **tmp_path, **original_path;
7414 size_t n_editor_args = 0, i = 1, argc;
7415 const char **args, *editor, *p;
7416
7417 argc = strv_length(paths)/2 + 1;
7418
7419 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7420 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7421 * we try to execute well known editors
7422 */
7423 editor = getenv("SYSTEMD_EDITOR");
7424 if (!editor)
7425 editor = getenv("EDITOR");
7426 if (!editor)
7427 editor = getenv("VISUAL");
7428
7429 if (!isempty(editor)) {
7430 editor_args = strv_split(editor, WHITESPACE);
7431 if (!editor_args) {
7432 (void) log_oom();
7433 _exit(EXIT_FAILURE);
7434 }
7435 n_editor_args = strv_length(editor_args);
7436 argc += n_editor_args - 1;
7437 }
7438
7439 args = newa(const char*, argc + 1);
7440
7441 if (n_editor_args > 0) {
7442 args[0] = editor_args[0];
7443 for (; i < n_editor_args; i++)
7444 args[i] = editor_args[i];
7445 }
7446
7447 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7448 args[i++] = *tmp_path;
7449 args[i] = NULL;
7450
7451 if (n_editor_args > 0)
7452 execvp(args[0], (char* const*) args);
7453
7454 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7455 args[0] = p;
7456 execvp(p, (char* const*) args);
7457 /* We do not fail if the editor doesn't exist
7458 * because we want to try each one of them before
7459 * failing.
7460 */
7461 if (errno != ENOENT) {
7462 log_error_errno(errno, "Failed to execute %s: %m", editor);
7463 _exit(EXIT_FAILURE);
7464 }
7465 }
7466
7467 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7468 _exit(EXIT_FAILURE);
7469 }
7470
7471 return 0;
7472 }
7473
7474 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7475 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7476 char **name;
7477 int r;
7478
7479 assert(names);
7480 assert(paths);
7481
7482 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7483 if (r < 0)
7484 return r;
7485
7486 STRV_FOREACH(name, names) {
7487 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7488 const char *unit_name;
7489
7490 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7491 if (r == -EKEYREJECTED) {
7492 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7493 * file path. In that case, find the file client side. */
7494 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7495 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7496 }
7497 if (r == -ERFKILL)
7498 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7499 if (r < 0)
7500 return r;
7501
7502 if (r == 0) {
7503 assert(!path);
7504
7505 if (!arg_force) {
7506 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7507 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7508 arg_scope == UNIT_FILE_USER ? " --user" : "",
7509 *name);
7510 return -ENOENT;
7511 }
7512
7513 /* Create a new unit from scratch */
7514 unit_name = *name;
7515 r = unit_file_create_new(&lp, unit_name,
7516 arg_full ? NULL : ".d/override.conf",
7517 &new_path, &tmp_path);
7518 } else {
7519 assert(path);
7520
7521 unit_name = basename(path);
7522 /* We follow unit aliases, but we need to propagate the instance */
7523 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7524 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7525 _cleanup_free_ char *instance = NULL;
7526
7527 r = unit_name_to_instance(*name, &instance);
7528 if (r < 0)
7529 return r;
7530
7531 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7532 if (r < 0)
7533 return r;
7534
7535 unit_name = tmp_name;
7536 }
7537
7538 if (arg_full)
7539 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7540 else
7541 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7542 }
7543 if (r < 0)
7544 return r;
7545
7546 r = strv_push_pair(paths, new_path, tmp_path);
7547 if (r < 0)
7548 return log_oom();
7549
7550 new_path = tmp_path = NULL;
7551 }
7552
7553 return 0;
7554 }
7555
7556 static int edit(int argc, char *argv[], void *userdata) {
7557 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7558 _cleanup_strv_free_ char **names = NULL;
7559 _cleanup_strv_free_ char **paths = NULL;
7560 char **original, **tmp;
7561 sd_bus *bus;
7562 int r;
7563
7564 if (!on_tty())
7565 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7566
7567 if (arg_transport != BUS_TRANSPORT_LOCAL)
7568 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7569
7570 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7571 if (r < 0)
7572 return log_error_errno(r, "Failed to determine unit paths: %m");
7573
7574 r = acquire_bus(BUS_MANAGER, &bus);
7575 if (r < 0)
7576 return r;
7577
7578 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
7579 if (r < 0)
7580 return log_error_errno(r, "Failed to expand names: %m");
7581
7582 STRV_FOREACH(tmp, names) {
7583 r = unit_is_masked(bus, &lp, *tmp);
7584 if (r < 0)
7585 return r;
7586 if (r > 0)
7587 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7588 }
7589
7590 r = find_paths_to_edit(bus, names, &paths);
7591 if (r < 0)
7592 return r;
7593
7594 if (strv_isempty(paths))
7595 return -ENOENT;
7596
7597 r = run_editor(paths);
7598 if (r < 0)
7599 goto end;
7600
7601 STRV_FOREACH_PAIR(original, tmp, paths) {
7602 /* If the temporary file is empty we ignore it.
7603 * This allows the user to cancel the modification.
7604 */
7605 if (null_or_empty_path(*tmp)) {
7606 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7607 continue;
7608 }
7609
7610 r = rename(*tmp, *original);
7611 if (r < 0) {
7612 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7613 goto end;
7614 }
7615 }
7616
7617 r = 0;
7618
7619 if (!arg_no_reload && !install_client_side())
7620 r = daemon_reload(argc, argv, userdata);
7621
7622 end:
7623 STRV_FOREACH_PAIR(original, tmp, paths) {
7624 (void) unlink(*tmp);
7625
7626 /* Removing empty dropin dirs */
7627 if (!arg_full) {
7628 _cleanup_free_ char *dir;
7629
7630 dir = dirname_malloc(*original);
7631 if (!dir)
7632 return log_oom();
7633
7634 /* no need to check if the dir is empty, rmdir
7635 * does nothing if it is not the case.
7636 */
7637 (void) rmdir(dir);
7638 }
7639 }
7640
7641 return r;
7642 }
7643
7644 static int systemctl_help(void) {
7645 _cleanup_free_ char *link = NULL;
7646 int r;
7647
7648 (void) pager_open(arg_pager_flags);
7649
7650 r = terminal_urlify_man("systemctl", "1", &link);
7651 if (r < 0)
7652 return log_oom();
7653
7654 printf("%1$s [OPTIONS...] COMMAND ...\n\n"
7655 "%5$sQuery or send control commands to the system manager.%6$s\n"
7656 "\n%3$sUnit Commands:%4$s\n"
7657 " list-units [PATTERN...] List units currently in memory\n"
7658 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7659 " ordered by address\n"
7660 " list-timers [PATTERN...] List timer units currently in memory,\n"
7661 " ordered by next elapse\n"
7662 " start UNIT... Start (activate) one or more units\n"
7663 " stop UNIT... Stop (deactivate) one or more units\n"
7664 " reload UNIT... Reload one or more units\n"
7665 " restart UNIT... Start or restart one or more units\n"
7666 " try-restart UNIT... Restart one or more units if active\n"
7667 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7668 " otherwise start or restart\n"
7669 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7670 " if supported, otherwise restart\n"
7671 " isolate UNIT Start one unit and stop all others\n"
7672 " kill UNIT... Send signal to processes of a unit\n"
7673 " clean UNIT... Clean runtime, cache, state, logs or\n"
7674 " configuration of unit\n"
7675 " freeze PATTERN... Freeze execution of unit processes\n"
7676 " thaw PATTERN... Resume execution of a frozen unit\n"
7677 " is-active PATTERN... Check whether units are active\n"
7678 " is-failed PATTERN... Check whether units are failed\n"
7679 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7680 " show [PATTERN...|JOB...] Show properties of one or more\n"
7681 " units/jobs or the manager\n"
7682 " cat PATTERN... Show files and drop-ins of specified units\n"
7683 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7684 " help PATTERN...|PID... Show manual for one or more units\n"
7685 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7686 " units\n"
7687 " list-dependencies [UNIT...] Recursively show units which are required\n"
7688 " or wanted by the units or by which those\n"
7689 " units are required or wanted"
7690 "\n%3$sUnit File Commands:%4$s\n"
7691 " list-unit-files [PATTERN...] List installed unit files\n"
7692 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7693 " disable UNIT... Disable one or more unit files\n"
7694 " reenable UNIT... Reenable one or more unit files\n"
7695 " preset UNIT... Enable/disable one or more unit files\n"
7696 " based on preset configuration\n"
7697 " preset-all Enable/disable all unit files based on\n"
7698 " preset configuration\n"
7699 " is-enabled UNIT... Check whether unit files are enabled\n"
7700 " mask UNIT... Mask one or more units\n"
7701 " unmask UNIT... Unmask one or more units\n"
7702 " link PATH... Link one or more units files into\n"
7703 " the search path\n"
7704 " revert UNIT... Revert one or more unit files to vendor\n"
7705 " version\n"
7706 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7707 " on specified one or more units\n"
7708 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7709 " on specified one or more units\n"
7710 " edit UNIT... Edit one or more unit files\n"
7711 " get-default Get the name of the default target\n"
7712 " set-default TARGET Set the default target\n"
7713 "\n%3$sMachine Commands:%4$s\n"
7714 " list-machines [PATTERN...] List local containers and host\n"
7715 "\n%3$sJob Commands:%4$s\n"
7716 " list-jobs [PATTERN...] List jobs\n"
7717 " cancel [JOB...] Cancel all, one, or more jobs\n"
7718 "\n%3$sEnvironment Commands:%4$s\n"
7719 " show-environment Dump environment\n"
7720 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7721 " unset-environment VARIABLE... Unset one or more environment variables\n"
7722 " import-environment [VARIABLE...] Import all or some environment variables\n"
7723 "\n%3$sManager State Commands:%4$s\n"
7724 " daemon-reload Reload systemd manager configuration\n"
7725 " daemon-reexec Reexecute systemd manager\n"
7726 " log-level [LEVEL] Get/set logging threshold for manager\n"
7727 " log-target [TARGET] Get/set logging target for manager\n"
7728 " service-watchdogs [BOOL] Get/set service watchdog state\n"
7729 "\n%3$sSystem Commands:%4$s\n"
7730 " is-system-running Check whether system is fully running\n"
7731 " default Enter system default mode\n"
7732 " rescue Enter system rescue mode\n"
7733 " emergency Enter system emergency mode\n"
7734 " halt Shut down and halt the system\n"
7735 " poweroff Shut down and power-off the system\n"
7736 " reboot Shut down and reboot the system\n"
7737 " kexec Shut down and reboot the system with kexec\n"
7738 " exit [EXIT_CODE] Request user instance or container exit\n"
7739 " switch-root ROOT [INIT] Change to a different root file system\n"
7740 " suspend Suspend the system\n"
7741 " hibernate Hibernate the system\n"
7742 " hybrid-sleep Hibernate and suspend the system\n"
7743 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7744 " time, and hibernate"
7745 "\n%3$sOptions:%4$s\n"
7746 " -h --help Show this help\n"
7747 " --version Show package version\n"
7748 " --system Connect to system manager\n"
7749 " --user Connect to user service manager\n"
7750 " -H --host=[USER@]HOST Operate on remote host\n"
7751 " -M --machine=CONTAINER Operate on a local container\n"
7752 " -t --type=TYPE List units of a particular type\n"
7753 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7754 " --failed Shortcut for --state=failed\n"
7755 " -p --property=NAME Show only properties by this name\n"
7756 " -P NAME Equivalent to --value --property=NAME\n"
7757 " -a --all Show all properties/all units currently in memory,\n"
7758 " including dead/empty ones. To list all units installed\n"
7759 " on the system, use 'list-unit-files' instead.\n"
7760 " -l --full Don't ellipsize unit names on output\n"
7761 " -r --recursive Show unit list of host and local containers\n"
7762 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7763 " --with-dependencies Show unit dependencies with 'status', 'cat',\n"
7764 " 'list-units', and 'list-unit-files'.\n"
7765 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7766 " queueing a new job\n"
7767 " -T --show-transaction When enqueuing a unit job, show full transaction\n"
7768 " --show-types When showing sockets, explicitly show their type\n"
7769 " --value When showing properties, only print the value\n"
7770 " -i --ignore-inhibitors When shutting down or sleeping, ignore inhibitors\n"
7771 " --kill-who=WHO Whom to send signal to\n"
7772 " -s --signal=SIGNAL Which signal to send\n"
7773 " --what=RESOURCES Which types of resources to remove\n"
7774 " --now Start or stop unit after enabling or disabling it\n"
7775 " --dry-run Only print what would be done\n"
7776 " Currently supported by verbs: halt, poweroff, reboot,\n"
7777 " kexec, suspend, hibernate, suspend-then-hibernate,\n"
7778 " hybrid-sleep, default, rescue, emergency, and exit.\n"
7779 " -q --quiet Suppress output\n"
7780 " --wait For (re)start, wait until service stopped again\n"
7781 " For is-system-running, wait until startup is completed\n"
7782 " --no-block Do not wait until operation finished\n"
7783 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7784 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7785 " --no-legend Do not print a legend (column headers and hints)\n"
7786 " --no-pager Do not pipe output into a pager\n"
7787 " --no-ask-password Do not ask for system passwords\n"
7788 " --global Enable/disable/mask unit files globally\n"
7789 " --runtime Enable/disable/mask unit files temporarily until next\n"
7790 " reboot\n"
7791 " -f --force When enabling unit files, override existing symlinks\n"
7792 " When shutting down, execute action immediately\n"
7793 " --preset-mode= Apply only enable, only disable, or all presets\n"
7794 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7795 " directory\n"
7796 " -n --lines=INTEGER Number of journal entries to show\n"
7797 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7798 " short-iso, short-iso-precise, short-full,\n"
7799 " short-monotonic, short-unix,\n"
7800 " verbose, export, json, json-pretty, json-sse, cat)\n"
7801 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7802 " --boot-loader-menu=TIME\n"
7803 " Boot into boot loader menu on next boot\n"
7804 " --boot-loader-entry=NAME\n"
7805 " Boot into a specific boot loader entry on next boot\n"
7806 " --plain Print unit dependencies as a list instead of a tree\n"
7807 "\nSee the %2$s for details.\n"
7808 , program_invocation_short_name
7809 , link
7810 , ansi_underline(), ansi_normal()
7811 , ansi_highlight(), ansi_normal()
7812 );
7813
7814 return 0;
7815 }
7816
7817 static int halt_help(void) {
7818 _cleanup_free_ char *link = NULL;
7819 int r;
7820
7821 r = terminal_urlify_man("halt", "8", &link);
7822 if (r < 0)
7823 return log_oom();
7824
7825 printf("%s [OPTIONS...]%s\n"
7826 "\n%s%s the system.%s\n"
7827 "\nOptions:\n"
7828 " --help Show this help\n"
7829 " --halt Halt the machine\n"
7830 " -p --poweroff Switch off the machine\n"
7831 " --reboot Reboot the machine\n"
7832 " -f --force Force immediate halt/power-off/reboot\n"
7833 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7834 " -d --no-wtmp Don't write wtmp record\n"
7835 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7836 "\nSee the %s for details.\n"
7837 , program_invocation_short_name
7838 , arg_action == ACTION_REBOOT ? " [ARG]" : ""
7839 , ansi_highlight()
7840 , arg_action == ACTION_REBOOT ? "Reboot" :
7841 arg_action == ACTION_POWEROFF ? "Power off" :
7842 "Halt"
7843 , ansi_normal()
7844 , link
7845 );
7846
7847 return 0;
7848 }
7849
7850 static int shutdown_help(void) {
7851 _cleanup_free_ char *link = NULL;
7852 int r;
7853
7854 r = terminal_urlify_man("shutdown", "8", &link);
7855 if (r < 0)
7856 return log_oom();
7857
7858 printf("%s [OPTIONS...] [TIME] [WALL...]\n"
7859 "\n%sShut down the system.%s\n"
7860 "\nOptions:\n"
7861 " --help Show this help\n"
7862 " -H --halt Halt the machine\n"
7863 " -P --poweroff Power-off the machine\n"
7864 " -r --reboot Reboot the machine\n"
7865 " -h Equivalent to --poweroff, overridden by --halt\n"
7866 " -k Don't halt/power-off/reboot, just send warnings\n"
7867 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7868 " -c Cancel a pending shutdown\n"
7869 "\nSee the %s for details.\n"
7870 , program_invocation_short_name
7871 , ansi_highlight(), ansi_normal()
7872 , link
7873 );
7874
7875 return 0;
7876 }
7877
7878 static int telinit_help(void) {
7879 _cleanup_free_ char *link = NULL;
7880 int r;
7881
7882 r = terminal_urlify_man("telinit", "8", &link);
7883 if (r < 0)
7884 return log_oom();
7885
7886 printf("%s [OPTIONS...] COMMAND\n\n"
7887 "%sSend control commands to the init daemon.%s\n"
7888 "\nCommands:\n"
7889 " 0 Power-off the machine\n"
7890 " 6 Reboot the machine\n"
7891 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7892 " 1, s, S Enter rescue mode\n"
7893 " q, Q Reload init daemon configuration\n"
7894 " u, U Reexecute init daemon\n"
7895 "\nOptions:\n"
7896 " --help Show this help\n"
7897 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7898 "\nSee the %s for details.\n"
7899 , program_invocation_short_name
7900 , ansi_highlight(), ansi_normal()
7901 , link
7902 );
7903
7904 return 0;
7905 }
7906
7907 static int runlevel_help(void) {
7908 _cleanup_free_ char *link = NULL;
7909 int r;
7910
7911 r = terminal_urlify_man("runlevel", "8", &link);
7912 if (r < 0)
7913 return log_oom();
7914
7915 printf("%s [OPTIONS...]\n"
7916 "\n%sPrints the previous and current runlevel of the init system.%s\n"
7917 "\nOptions:\n"
7918 " --help Show this help\n"
7919 "\nSee the %s for details.\n"
7920 , program_invocation_short_name
7921 , ansi_highlight(), ansi_normal()
7922 , link
7923 );
7924
7925 return 0;
7926 }
7927
7928 static void help_types(void) {
7929 if (!arg_no_legend)
7930 puts("Available unit types:");
7931
7932 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7933 }
7934
7935 static void help_states(void) {
7936 if (!arg_no_legend)
7937 puts("Available unit load states:");
7938 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7939
7940 if (!arg_no_legend)
7941 puts("\nAvailable unit active states:");
7942 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7943
7944 if (!arg_no_legend)
7945 puts("\nAvailable unit file states:");
7946 DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX);
7947
7948 if (!arg_no_legend)
7949 puts("\nAvailable automount unit substates:");
7950 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7951
7952 if (!arg_no_legend)
7953 puts("\nAvailable device unit substates:");
7954 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7955
7956 if (!arg_no_legend)
7957 puts("\nAvailable mount unit substates:");
7958 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7959
7960 if (!arg_no_legend)
7961 puts("\nAvailable path unit substates:");
7962 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7963
7964 if (!arg_no_legend)
7965 puts("\nAvailable scope unit substates:");
7966 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7967
7968 if (!arg_no_legend)
7969 puts("\nAvailable service unit substates:");
7970 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7971
7972 if (!arg_no_legend)
7973 puts("\nAvailable slice unit substates:");
7974 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7975
7976 if (!arg_no_legend)
7977 puts("\nAvailable socket unit substates:");
7978 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7979
7980 if (!arg_no_legend)
7981 puts("\nAvailable swap unit substates:");
7982 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7983
7984 if (!arg_no_legend)
7985 puts("\nAvailable target unit substates:");
7986 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7987
7988 if (!arg_no_legend)
7989 puts("\nAvailable timer unit substates:");
7990 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7991 }
7992
7993 static int help_boot_loader_entry(void) {
7994 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7995 _cleanup_strv_free_ char **l = NULL;
7996 sd_bus *bus;
7997 char **i;
7998 int r;
7999
8000 r = acquire_bus(BUS_FULL, &bus);
8001 if (r < 0)
8002 return r;
8003
8004 r = bus_get_property_strv(bus, bus_login_mgr, "BootLoaderEntries", &error, &l);
8005 if (r < 0)
8006 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
8007
8008 if (strv_isempty(l))
8009 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
8010
8011 STRV_FOREACH(i, l)
8012 puts(*i);
8013
8014 return 0;
8015 }
8016
8017 static int systemctl_parse_argv(int argc, char *argv[]) {
8018 enum {
8019 ARG_FAIL = 0x100,
8020 ARG_REVERSE,
8021 ARG_AFTER,
8022 ARG_BEFORE,
8023 ARG_DRY_RUN,
8024 ARG_SHOW_TYPES,
8025 ARG_IRREVERSIBLE,
8026 ARG_IGNORE_DEPENDENCIES,
8027 ARG_VALUE,
8028 ARG_VERSION,
8029 ARG_USER,
8030 ARG_SYSTEM,
8031 ARG_GLOBAL,
8032 ARG_NO_BLOCK,
8033 ARG_NO_LEGEND,
8034 ARG_NO_PAGER,
8035 ARG_NO_WALL,
8036 ARG_ROOT,
8037 ARG_NO_RELOAD,
8038 ARG_KILL_WHO,
8039 ARG_NO_ASK_PASSWORD,
8040 ARG_FAILED,
8041 ARG_RUNTIME,
8042 ARG_PLAIN,
8043 ARG_STATE,
8044 ARG_JOB_MODE,
8045 ARG_PRESET_MODE,
8046 ARG_FIRMWARE_SETUP,
8047 ARG_BOOT_LOADER_MENU,
8048 ARG_BOOT_LOADER_ENTRY,
8049 ARG_NOW,
8050 ARG_MESSAGE,
8051 ARG_WITH_DEPENDENCIES,
8052 ARG_WAIT,
8053 ARG_WHAT,
8054 ARG_REBOOT_ARG,
8055 };
8056
8057 static const struct option options[] = {
8058 { "help", no_argument, NULL, 'h' },
8059 { "version", no_argument, NULL, ARG_VERSION },
8060 { "type", required_argument, NULL, 't' },
8061 { "property", required_argument, NULL, 'p' },
8062 { "all", no_argument, NULL, 'a' },
8063 { "reverse", no_argument, NULL, ARG_REVERSE },
8064 { "after", no_argument, NULL, ARG_AFTER },
8065 { "before", no_argument, NULL, ARG_BEFORE },
8066 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8067 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8068 { "full", no_argument, NULL, 'l' },
8069 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8070 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8071 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8072 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8073 { "ignore-inhibitors", no_argument, NULL, 'i' },
8074 { "value", no_argument, NULL, ARG_VALUE },
8075 { "user", no_argument, NULL, ARG_USER },
8076 { "system", no_argument, NULL, ARG_SYSTEM },
8077 { "global", no_argument, NULL, ARG_GLOBAL },
8078 { "wait", no_argument, NULL, ARG_WAIT },
8079 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8080 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8081 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8082 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8083 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8084 { "quiet", no_argument, NULL, 'q' },
8085 { "root", required_argument, NULL, ARG_ROOT },
8086 { "force", no_argument, NULL, 'f' },
8087 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8088 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8089 { "signal", required_argument, NULL, 's' },
8090 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8091 { "host", required_argument, NULL, 'H' },
8092 { "machine", required_argument, NULL, 'M' },
8093 { "runtime", no_argument, NULL, ARG_RUNTIME },
8094 { "lines", required_argument, NULL, 'n' },
8095 { "output", required_argument, NULL, 'o' },
8096 { "plain", no_argument, NULL, ARG_PLAIN },
8097 { "state", required_argument, NULL, ARG_STATE },
8098 { "recursive", no_argument, NULL, 'r' },
8099 { "with-dependencies", no_argument, NULL, ARG_WITH_DEPENDENCIES },
8100 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8101 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8102 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8103 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8104 { "now", no_argument, NULL, ARG_NOW },
8105 { "message", required_argument, NULL, ARG_MESSAGE },
8106 { "show-transaction", no_argument, NULL, 'T' },
8107 { "what", required_argument, NULL, ARG_WHAT },
8108 { "reboot-argument", required_argument, NULL, ARG_REBOOT_ARG },
8109 {}
8110 };
8111
8112 int c, r;
8113
8114 assert(argc >= 0);
8115 assert(argv);
8116
8117 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8118 arg_ask_password = true;
8119
8120 while ((c = getopt_long(argc, argv, "ht:p:P:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8121
8122 switch (c) {
8123
8124 case 'h':
8125 return systemctl_help();
8126
8127 case ARG_VERSION:
8128 return version();
8129
8130 case 't': {
8131 const char *p;
8132
8133 if (isempty(optarg))
8134 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8135 "--type= requires arguments.");
8136
8137 for (p = optarg;;) {
8138 _cleanup_free_ char *type = NULL;
8139
8140 r = extract_first_word(&p, &type, ",", 0);
8141 if (r < 0)
8142 return log_error_errno(r, "Failed to parse type: %s", optarg);
8143 if (r == 0)
8144 break;
8145
8146 if (streq(type, "help")) {
8147 help_types();
8148 return 0;
8149 }
8150
8151 if (unit_type_from_string(type) >= 0) {
8152 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8153 return log_oom();
8154 continue;
8155 }
8156
8157 /* It's much nicer to use --state= for
8158 * load states, but let's support this
8159 * in --types= too for compatibility
8160 * with old versions */
8161 if (unit_load_state_from_string(type) >= 0) {
8162 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8163 return log_oom();
8164 continue;
8165 }
8166
8167 log_error("Unknown unit type or load state '%s'.", type);
8168 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8169 "Use -t help to see a list of allowed values.");
8170 }
8171
8172 break;
8173 }
8174
8175 case 'P':
8176 arg_value = true;
8177 _fallthrough_;
8178
8179 case 'p':
8180 /* Make sure that if the empty property list was specified, we won't show any
8181 properties. */
8182 if (isempty(optarg) && !arg_properties) {
8183 arg_properties = new0(char*, 1);
8184 if (!arg_properties)
8185 return log_oom();
8186 } else {
8187 const char *p;
8188
8189 for (p = optarg;;) {
8190 _cleanup_free_ char *prop = NULL;
8191
8192 r = extract_first_word(&p, &prop, ",", 0);
8193 if (r < 0)
8194 return log_error_errno(r, "Failed to parse property: %s", optarg);
8195 if (r == 0)
8196 break;
8197
8198 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8199 return log_oom();
8200 }
8201 }
8202
8203 /* If the user asked for a particular property, show it, even if it is empty. */
8204 arg_all = true;
8205
8206 break;
8207
8208 case 'a':
8209 arg_all = true;
8210 break;
8211
8212 case ARG_REVERSE:
8213 arg_dependency = DEPENDENCY_REVERSE;
8214 break;
8215
8216 case ARG_AFTER:
8217 arg_dependency = DEPENDENCY_AFTER;
8218 arg_jobs_after = true;
8219 break;
8220
8221 case ARG_BEFORE:
8222 arg_dependency = DEPENDENCY_BEFORE;
8223 arg_jobs_before = true;
8224 break;
8225
8226 case ARG_SHOW_TYPES:
8227 arg_show_types = true;
8228 break;
8229
8230 case ARG_VALUE:
8231 arg_value = true;
8232 break;
8233
8234 case ARG_JOB_MODE:
8235 arg_job_mode = optarg;
8236 break;
8237
8238 case ARG_FAIL:
8239 arg_job_mode = "fail";
8240 break;
8241
8242 case ARG_IRREVERSIBLE:
8243 arg_job_mode = "replace-irreversibly";
8244 break;
8245
8246 case ARG_IGNORE_DEPENDENCIES:
8247 arg_job_mode = "ignore-dependencies";
8248 break;
8249
8250 case ARG_USER:
8251 arg_scope = UNIT_FILE_USER;
8252 break;
8253
8254 case ARG_SYSTEM:
8255 arg_scope = UNIT_FILE_SYSTEM;
8256 break;
8257
8258 case ARG_GLOBAL:
8259 arg_scope = UNIT_FILE_GLOBAL;
8260 break;
8261
8262 case ARG_WAIT:
8263 arg_wait = true;
8264 break;
8265
8266 case ARG_NO_BLOCK:
8267 arg_no_block = true;
8268 break;
8269
8270 case ARG_NO_LEGEND:
8271 arg_no_legend = true;
8272 break;
8273
8274 case ARG_NO_PAGER:
8275 arg_pager_flags |= PAGER_DISABLE;
8276 break;
8277
8278 case ARG_NO_WALL:
8279 arg_no_wall = true;
8280 break;
8281
8282 case ARG_ROOT:
8283 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8284 if (r < 0)
8285 return r;
8286 break;
8287
8288 case 'l':
8289 arg_full = true;
8290 break;
8291
8292 case ARG_FAILED:
8293 if (strv_extend(&arg_states, "failed") < 0)
8294 return log_oom();
8295
8296 break;
8297
8298 case ARG_DRY_RUN:
8299 arg_dry_run = true;
8300 break;
8301
8302 case 'q':
8303 arg_quiet = true;
8304 break;
8305
8306 case 'f':
8307 arg_force++;
8308 break;
8309
8310 case ARG_NO_RELOAD:
8311 arg_no_reload = true;
8312 break;
8313
8314 case ARG_KILL_WHO:
8315 arg_kill_who = optarg;
8316 break;
8317
8318 case 's':
8319 if (streq(optarg, "help")) {
8320 DUMP_STRING_TABLE(signal, int, _NSIG);
8321 return 0;
8322 }
8323
8324 arg_signal = signal_from_string(optarg);
8325 if (arg_signal < 0)
8326 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8327 "Failed to parse signal string %s.",
8328 optarg);
8329 break;
8330
8331 case ARG_NO_ASK_PASSWORD:
8332 arg_ask_password = false;
8333 break;
8334
8335 case 'H':
8336 arg_transport = BUS_TRANSPORT_REMOTE;
8337 arg_host = optarg;
8338 break;
8339
8340 case 'M':
8341 arg_transport = BUS_TRANSPORT_MACHINE;
8342 arg_host = optarg;
8343 break;
8344
8345 case ARG_RUNTIME:
8346 arg_runtime = true;
8347 break;
8348
8349 case 'n':
8350 if (safe_atou(optarg, &arg_lines) < 0)
8351 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8352 "Failed to parse lines '%s'",
8353 optarg);
8354 break;
8355
8356 case 'o':
8357 if (streq(optarg, "help")) {
8358 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8359 return 0;
8360 }
8361
8362 arg_output = output_mode_from_string(optarg);
8363 if (arg_output < 0)
8364 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8365 "Unknown output '%s'.",
8366 optarg);
8367
8368 if (OUTPUT_MODE_IS_JSON(arg_output)) {
8369 arg_no_legend = true;
8370 arg_plain = true;
8371 }
8372 break;
8373
8374 case 'i':
8375 arg_ignore_inhibitors = true;
8376 break;
8377
8378 case ARG_PLAIN:
8379 arg_plain = true;
8380 break;
8381
8382 case ARG_FIRMWARE_SETUP:
8383 arg_firmware_setup = true;
8384 break;
8385
8386 case ARG_BOOT_LOADER_MENU:
8387
8388 r = parse_sec(optarg, &arg_boot_loader_menu);
8389 if (r < 0)
8390 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8391
8392 break;
8393
8394 case ARG_BOOT_LOADER_ENTRY:
8395
8396 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8397 r = help_boot_loader_entry();
8398 if (r < 0)
8399 return r;
8400
8401 return 0;
8402 }
8403
8404 arg_boot_loader_entry = empty_to_null(optarg);
8405 break;
8406
8407 case ARG_STATE: {
8408 const char *p;
8409
8410 if (isempty(optarg))
8411 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8412 "--state= requires arguments.");
8413
8414 for (p = optarg;;) {
8415 _cleanup_free_ char *s = NULL;
8416
8417 r = extract_first_word(&p, &s, ",", 0);
8418 if (r < 0)
8419 return log_error_errno(r, "Failed to parse state: %s", optarg);
8420 if (r == 0)
8421 break;
8422
8423 if (streq(s, "help")) {
8424 help_states();
8425 return 0;
8426 }
8427
8428 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8429 return log_oom();
8430 }
8431 break;
8432 }
8433
8434 case 'r':
8435 if (geteuid() != 0)
8436 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8437 "--recursive requires root privileges.");
8438
8439 arg_recursive = true;
8440 break;
8441
8442 case ARG_PRESET_MODE:
8443 if (streq(optarg, "help")) {
8444 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8445 return 0;
8446 }
8447
8448 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8449 if (arg_preset_mode < 0)
8450 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8451 "Failed to parse preset mode: %s.", optarg);
8452
8453 break;
8454
8455 case ARG_NOW:
8456 arg_now = true;
8457 break;
8458
8459 case ARG_MESSAGE:
8460 if (strv_extend(&arg_wall, optarg) < 0)
8461 return log_oom();
8462 break;
8463
8464 case 'T':
8465 arg_show_transaction = true;
8466 break;
8467
8468 case ARG_WITH_DEPENDENCIES:
8469 arg_with_dependencies = true;
8470 break;
8471
8472 case ARG_WHAT: {
8473 const char *p;
8474
8475 if (isempty(optarg))
8476 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8477
8478 for (p = optarg;;) {
8479 _cleanup_free_ char *k = NULL;
8480
8481 r = extract_first_word(&p, &k, ",", 0);
8482 if (r < 0)
8483 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8484 if (r == 0)
8485 break;
8486
8487 if (streq(k, "help")) {
8488 puts("runtime\n"
8489 "state\n"
8490 "cache\n"
8491 "logs\n"
8492 "configuration");
8493 return 0;
8494 }
8495
8496 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8497 if (r < 0)
8498 return log_oom();
8499 }
8500
8501 break;
8502 }
8503
8504 case ARG_REBOOT_ARG:
8505 arg_reboot_argument = optarg;
8506 break;
8507
8508 case '.':
8509 /* Output an error mimicking getopt, and print a hint afterwards */
8510 log_error("%s: invalid option -- '.'", program_invocation_name);
8511 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8512 " %s [OPTIONS...] COMMAND -- -.%s ...",
8513 program_invocation_name, optarg ?: "mount");
8514 _fallthrough_;
8515
8516 case '?':
8517 return -EINVAL;
8518
8519 default:
8520 assert_not_reached("Unhandled option");
8521 }
8522
8523 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8524 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8525 "Cannot access user instance remotely.");
8526
8527 if (arg_wait && arg_no_block)
8528 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8529 "--wait may not be combined with --no-block.");
8530
8531 return 1;
8532 }
8533
8534 static int halt_parse_argv(int argc, char *argv[]) {
8535 enum {
8536 ARG_HELP = 0x100,
8537 ARG_HALT,
8538 ARG_REBOOT,
8539 ARG_NO_WALL
8540 };
8541
8542 static const struct option options[] = {
8543 { "help", no_argument, NULL, ARG_HELP },
8544 { "halt", no_argument, NULL, ARG_HALT },
8545 { "poweroff", no_argument, NULL, 'p' },
8546 { "reboot", no_argument, NULL, ARG_REBOOT },
8547 { "force", no_argument, NULL, 'f' },
8548 { "wtmp-only", no_argument, NULL, 'w' },
8549 { "no-wtmp", no_argument, NULL, 'd' },
8550 { "no-sync", no_argument, NULL, 'n' },
8551 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8552 {}
8553 };
8554
8555 int c, r, runlevel;
8556
8557 assert(argc >= 0);
8558 assert(argv);
8559
8560 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8561 if (IN_SET(runlevel, '0', '6'))
8562 arg_force = 2;
8563
8564 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8565 switch (c) {
8566
8567 case ARG_HELP:
8568 return halt_help();
8569
8570 case ARG_HALT:
8571 arg_action = ACTION_HALT;
8572 break;
8573
8574 case 'p':
8575 if (arg_action != ACTION_REBOOT)
8576 arg_action = ACTION_POWEROFF;
8577 break;
8578
8579 case ARG_REBOOT:
8580 arg_action = ACTION_REBOOT;
8581 break;
8582
8583 case 'f':
8584 arg_force = 2;
8585 break;
8586
8587 case 'w':
8588 arg_dry_run = true;
8589 break;
8590
8591 case 'd':
8592 arg_no_wtmp = true;
8593 break;
8594
8595 case 'n':
8596 arg_no_sync = true;
8597 break;
8598
8599 case ARG_NO_WALL:
8600 arg_no_wall = true;
8601 break;
8602
8603 case 'i':
8604 case 'h':
8605 /* Compatibility nops */
8606 break;
8607
8608 case '?':
8609 return -EINVAL;
8610
8611 default:
8612 assert_not_reached("Unhandled option");
8613 }
8614
8615 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8616 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8617 if (r < 0)
8618 return r;
8619 } else if (optind < argc)
8620 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8621 "Too many arguments.");
8622
8623 return 1;
8624 }
8625
8626 static int shutdown_parse_argv(int argc, char *argv[]) {
8627 enum {
8628 ARG_HELP = 0x100,
8629 ARG_NO_WALL
8630 };
8631
8632 static const struct option options[] = {
8633 { "help", no_argument, NULL, ARG_HELP },
8634 { "halt", no_argument, NULL, 'H' },
8635 { "poweroff", no_argument, NULL, 'P' },
8636 { "reboot", no_argument, NULL, 'r' },
8637 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8638 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8639 {}
8640 };
8641
8642 char **wall = NULL;
8643 int c, r;
8644
8645 assert(argc >= 0);
8646 assert(argv);
8647
8648 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8649 switch (c) {
8650
8651 case ARG_HELP:
8652 return shutdown_help();
8653
8654 case 'H':
8655 arg_action = ACTION_HALT;
8656 break;
8657
8658 case 'P':
8659 arg_action = ACTION_POWEROFF;
8660 break;
8661
8662 case 'r':
8663 if (kexec_loaded())
8664 arg_action = ACTION_KEXEC;
8665 else
8666 arg_action = ACTION_REBOOT;
8667 break;
8668
8669 case 'K':
8670 arg_action = ACTION_KEXEC;
8671 break;
8672
8673 case 'h':
8674 if (arg_action != ACTION_HALT)
8675 arg_action = ACTION_POWEROFF;
8676 break;
8677
8678 case 'k':
8679 arg_dry_run = true;
8680 break;
8681
8682 case ARG_NO_WALL:
8683 arg_no_wall = true;
8684 break;
8685
8686 case 'a':
8687 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8688 case 'f':
8689 case 'F':
8690 /* Compatibility nops */
8691 break;
8692
8693 case 'c':
8694 arg_action = ACTION_CANCEL_SHUTDOWN;
8695 break;
8696
8697 case '?':
8698 return -EINVAL;
8699
8700 default:
8701 assert_not_reached("Unhandled option");
8702 }
8703
8704 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8705 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8706 if (r < 0) {
8707 log_error("Failed to parse time specification: %s", argv[optind]);
8708 return r;
8709 }
8710 } else
8711 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8712
8713 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8714 /* No time argument for shutdown cancel */
8715 wall = argv + optind;
8716 else if (argc > optind + 1)
8717 /* We skip the time argument */
8718 wall = argv + optind + 1;
8719
8720 if (wall) {
8721 arg_wall = strv_copy(wall);
8722 if (!arg_wall)
8723 return log_oom();
8724 }
8725
8726 optind = argc;
8727
8728 return 1;
8729 }
8730
8731 static int telinit_parse_argv(int argc, char *argv[]) {
8732 enum {
8733 ARG_HELP = 0x100,
8734 ARG_NO_WALL
8735 };
8736
8737 static const struct option options[] = {
8738 { "help", no_argument, NULL, ARG_HELP },
8739 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8740 {}
8741 };
8742
8743 static const struct {
8744 char from;
8745 enum action to;
8746 } table[] = {
8747 { '0', ACTION_POWEROFF },
8748 { '6', ACTION_REBOOT },
8749 { '1', ACTION_RESCUE },
8750 { '2', ACTION_RUNLEVEL2 },
8751 { '3', ACTION_RUNLEVEL3 },
8752 { '4', ACTION_RUNLEVEL4 },
8753 { '5', ACTION_RUNLEVEL5 },
8754 { 's', ACTION_RESCUE },
8755 { 'S', ACTION_RESCUE },
8756 { 'q', ACTION_RELOAD },
8757 { 'Q', ACTION_RELOAD },
8758 { 'u', ACTION_REEXEC },
8759 { 'U', ACTION_REEXEC }
8760 };
8761
8762 unsigned i;
8763 int c;
8764
8765 assert(argc >= 0);
8766 assert(argv);
8767
8768 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8769 switch (c) {
8770
8771 case ARG_HELP:
8772 return telinit_help();
8773
8774 case ARG_NO_WALL:
8775 arg_no_wall = true;
8776 break;
8777
8778 case '?':
8779 return -EINVAL;
8780
8781 default:
8782 assert_not_reached("Unhandled option");
8783 }
8784
8785 if (optind >= argc)
8786 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8787 "%s: required argument missing.",
8788 program_invocation_short_name);
8789
8790 if (optind + 1 < argc)
8791 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8792 "Too many arguments.");
8793
8794 if (strlen(argv[optind]) != 1)
8795 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8796 "Expected single character argument.");
8797
8798 for (i = 0; i < ELEMENTSOF(table); i++)
8799 if (table[i].from == argv[optind][0])
8800 break;
8801
8802 if (i >= ELEMENTSOF(table))
8803 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8804 "Unknown command '%s'.", argv[optind]);
8805
8806 arg_action = table[i].to;
8807
8808 optind++;
8809
8810 return 1;
8811 }
8812
8813 static int runlevel_parse_argv(int argc, char *argv[]) {
8814 enum {
8815 ARG_HELP = 0x100,
8816 };
8817
8818 static const struct option options[] = {
8819 { "help", no_argument, NULL, ARG_HELP },
8820 {}
8821 };
8822
8823 int c;
8824
8825 assert(argc >= 0);
8826 assert(argv);
8827
8828 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8829 switch (c) {
8830
8831 case ARG_HELP:
8832 return runlevel_help();
8833
8834 case '?':
8835 return -EINVAL;
8836
8837 default:
8838 assert_not_reached("Unhandled option");
8839 }
8840
8841 if (optind < argc)
8842 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8843 "Too many arguments.");
8844
8845 return 1;
8846 }
8847
8848 static int parse_argv(int argc, char *argv[]) {
8849 assert(argc >= 0);
8850 assert(argv);
8851
8852 if (program_invocation_short_name) {
8853
8854 if (strstr(program_invocation_short_name, "halt")) {
8855 arg_action = ACTION_HALT;
8856 return halt_parse_argv(argc, argv);
8857
8858 } else if (strstr(program_invocation_short_name, "poweroff")) {
8859 arg_action = ACTION_POWEROFF;
8860 return halt_parse_argv(argc, argv);
8861
8862 } else if (strstr(program_invocation_short_name, "reboot")) {
8863 if (kexec_loaded())
8864 arg_action = ACTION_KEXEC;
8865 else
8866 arg_action = ACTION_REBOOT;
8867 return halt_parse_argv(argc, argv);
8868
8869 } else if (strstr(program_invocation_short_name, "shutdown")) {
8870 arg_action = ACTION_POWEROFF;
8871 return shutdown_parse_argv(argc, argv);
8872
8873 } else if (strstr(program_invocation_short_name, "init")) {
8874
8875 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8876 * 1 on SysV.
8877 *
8878 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8879 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8880 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8881 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8882 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8883 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8884 * quick way to match both.
8885 *
8886 * Also see redirect_telinit() in src/core/main.c. */
8887
8888 if (sd_booted() > 0) {
8889 arg_action = _ACTION_INVALID;
8890 return telinit_parse_argv(argc, argv);
8891 } else {
8892 /* Hmm, so some other init system is running, we need to forward this request to
8893 * it. For now we simply guess that it is Upstart. */
8894
8895 (void) rlimit_nofile_safe();
8896 execv(TELINIT, argv);
8897
8898 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8899 "Couldn't find an alternative telinit implementation to spawn.");
8900 }
8901
8902 } else if (strstr(program_invocation_short_name, "runlevel")) {
8903 arg_action = ACTION_RUNLEVEL;
8904 return runlevel_parse_argv(argc, argv);
8905 }
8906 }
8907
8908 arg_action = ACTION_SYSTEMCTL;
8909 return systemctl_parse_argv(argc, argv);
8910 }
8911
8912 #if HAVE_SYSV_COMPAT
8913 _pure_ static int action_to_runlevel(void) {
8914 static const char table[_ACTION_MAX] = {
8915 [ACTION_HALT] = '0',
8916 [ACTION_POWEROFF] = '0',
8917 [ACTION_REBOOT] = '6',
8918 [ACTION_RUNLEVEL2] = '2',
8919 [ACTION_RUNLEVEL3] = '3',
8920 [ACTION_RUNLEVEL4] = '4',
8921 [ACTION_RUNLEVEL5] = '5',
8922 [ACTION_RESCUE] = '1'
8923 };
8924
8925 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8926 return table[arg_action];
8927 }
8928 #endif
8929
8930 static int systemctl_main(int argc, char *argv[]) {
8931 static const Verb verbs[] = {
8932 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8933 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8934 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8935 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8936 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8937 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8938 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8939 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8940 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8941 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8942 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8943 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8944 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8945 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8946 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8947 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8948 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8949 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8950 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8951 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8952 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8953 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8954 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit },
8955 { "freeze", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit },
8956 { "thaw", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit },
8957 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8958 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8959 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8960 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8961 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8962 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8963 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8964 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8965 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8966 { "log-level", VERB_ANY, 2, VERB_ONLINE_ONLY, log_level },
8967 { "log-target", VERB_ANY, 2, VERB_ONLINE_ONLY, log_target },
8968 { "service-watchdogs", VERB_ANY, 2, VERB_ONLINE_ONLY, service_watchdogs },
8969 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8970 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8971 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8972 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8973 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8974 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8975 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8976 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8977 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8978 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8979 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8980 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8981 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8982 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8983 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8984 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8985 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8986 { "enable", 2, VERB_ANY, 0, enable_unit },
8987 { "disable", 2, VERB_ANY, 0, enable_unit },
8988 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8989 { "reenable", 2, VERB_ANY, 0, enable_unit },
8990 { "preset", 2, VERB_ANY, 0, enable_unit },
8991 { "preset-all", VERB_ANY, 1, 0, preset_all },
8992 { "mask", 2, VERB_ANY, 0, enable_unit },
8993 { "unmask", 2, VERB_ANY, 0, enable_unit },
8994 { "link", 2, VERB_ANY, 0, enable_unit },
8995 { "revert", 2, VERB_ANY, 0, enable_unit },
8996 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8997 { "list-dependencies", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_dependencies },
8998 { "set-default", 2, 2, 0, set_default },
8999 { "get-default", VERB_ANY, 1, 0, get_default },
9000 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
9001 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
9002 { "add-wants", 3, VERB_ANY, 0, add_dependency },
9003 { "add-requires", 3, VERB_ANY, 0, add_dependency },
9004 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
9005 {}
9006 };
9007
9008 const Verb *verb = verbs_find_verb(argv[optind], verbs);
9009 if (verb && (verb->flags & VERB_ONLINE_ONLY) && arg_root)
9010 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
9011 "Verb '%s' cannot be used with --root=.",
9012 argv[optind] ?: verb->verb);
9013
9014 return dispatch_verb(argc, argv, verbs, NULL);
9015 }
9016
9017 static int reload_with_fallback(void) {
9018 /* First, try systemd via D-Bus. */
9019 if (daemon_reload(0, NULL, NULL) >= 0)
9020 return 0;
9021
9022 /* Nothing else worked, so let's try signals */
9023 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
9024
9025 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
9026 return log_error_errno(errno, "kill() failed: %m");
9027
9028 return 0;
9029 }
9030
9031 static int start_with_fallback(void) {
9032 /* First, try systemd via D-Bus. */
9033 if (start_unit(0, NULL, NULL) == 0)
9034 return 0;
9035
9036 #if HAVE_SYSV_COMPAT
9037 /* Nothing else worked, so let's try /dev/initctl */
9038 if (talk_initctl(action_to_runlevel()) > 0)
9039 return 0;
9040 #endif
9041
9042 return log_error_errno(SYNTHETIC_ERRNO(EIO),
9043 "Failed to talk to init daemon.");
9044 }
9045
9046 static int halt_now(enum action a) {
9047 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
9048 * synced explicitly in advance. */
9049 if (!arg_no_sync && !arg_dry_run)
9050 (void) sync();
9051
9052 /* Make sure C-A-D is handled by the kernel from this point on... */
9053 if (!arg_dry_run)
9054 (void) reboot(RB_ENABLE_CAD);
9055
9056 switch (a) {
9057
9058 case ACTION_HALT:
9059 if (!arg_quiet)
9060 log_info("Halting.");
9061 if (arg_dry_run)
9062 return 0;
9063 (void) reboot(RB_HALT_SYSTEM);
9064 return -errno;
9065
9066 case ACTION_POWEROFF:
9067 if (!arg_quiet)
9068 log_info("Powering off.");
9069 if (arg_dry_run)
9070 return 0;
9071 (void) reboot(RB_POWER_OFF);
9072 return -errno;
9073
9074 case ACTION_KEXEC:
9075 case ACTION_REBOOT:
9076 return reboot_with_parameter(REBOOT_FALLBACK |
9077 (arg_quiet ? 0 : REBOOT_LOG) |
9078 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9079
9080 default:
9081 assert_not_reached("Unknown action.");
9082 }
9083 }
9084
9085 static int logind_schedule_shutdown(void) {
9086
9087 #if ENABLE_LOGIND
9088 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9089 char date[FORMAT_TIMESTAMP_MAX];
9090 const char *action;
9091 const char *log_action;
9092 sd_bus *bus;
9093 int r;
9094
9095 r = acquire_bus(BUS_FULL, &bus);
9096 if (r < 0)
9097 return r;
9098
9099 switch (arg_action) {
9100 case ACTION_HALT:
9101 action = "halt";
9102 log_action = "Shutdown";
9103 break;
9104 case ACTION_POWEROFF:
9105 action = "poweroff";
9106 log_action = "Shutdown";
9107 break;
9108 case ACTION_KEXEC:
9109 action = "kexec";
9110 log_action = "Reboot via kexec";
9111 break;
9112 case ACTION_EXIT:
9113 action = "exit";
9114 log_action = "Shutdown";
9115 break;
9116 case ACTION_REBOOT:
9117 default:
9118 action = "reboot";
9119 log_action = "Reboot";
9120 break;
9121 }
9122
9123 if (arg_dry_run)
9124 action = strjoina("dry-", action);
9125
9126 (void) logind_set_wall_message();
9127
9128 r = bus_call_method(bus, bus_login_mgr, "ScheduleShutdown", &error, NULL, "st", action, arg_when);
9129 if (r < 0)
9130 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9131
9132 if (!arg_quiet)
9133 log_info("%s scheduled for %s, use 'shutdown -c' to cancel.", log_action, format_timestamp(date, sizeof(date), arg_when));
9134 return 0;
9135 #else
9136 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9137 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9138 #endif
9139 }
9140
9141 static int halt_main(void) {
9142 int r;
9143
9144 r = logind_check_inhibitors(arg_action);
9145 if (r < 0)
9146 return r;
9147
9148 /* Delayed shutdown requested, and was successful */
9149 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9150 return 0;
9151 /* no delay, or logind failed or is not at all available */
9152
9153 if (geteuid() != 0) {
9154 if (arg_dry_run || arg_force > 0) {
9155 (void) must_be_root();
9156 return -EPERM;
9157 }
9158
9159 /* Try logind if we are a normal user and no special
9160 * mode applies. Maybe polkit allows us to shutdown
9161 * the machine. */
9162 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9163 r = logind_reboot(arg_action);
9164 if (r >= 0)
9165 return r;
9166 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9167 /* requested operation is not
9168 * supported on the local system or
9169 * already in progress */
9170 return r;
9171 /* on all other errors, try low-level operation */
9172 }
9173 }
9174
9175 /* In order to minimize the difference between operation with and
9176 * without logind, we explicitly enable non-blocking mode for this,
9177 * as logind's shutdown operations are always non-blocking. */
9178 arg_no_block = true;
9179
9180 if (!arg_dry_run && !arg_force)
9181 return start_with_fallback();
9182
9183 assert(geteuid() == 0);
9184
9185 if (!arg_no_wtmp) {
9186 if (sd_booted() > 0)
9187 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9188 else {
9189 r = utmp_put_shutdown();
9190 if (r < 0)
9191 log_warning_errno(r, "Failed to write utmp record: %m");
9192 }
9193 }
9194
9195 if (arg_dry_run)
9196 return 0;
9197
9198 r = halt_now(arg_action);
9199 return log_error_errno(r, "Failed to reboot: %m");
9200 }
9201
9202 static int runlevel_main(void) {
9203 int r, runlevel, previous;
9204
9205 r = utmp_get_runlevel(&runlevel, &previous);
9206 if (r < 0) {
9207 puts("unknown");
9208 return r;
9209 }
9210
9211 printf("%c %c\n",
9212 previous <= 0 ? 'N' : previous,
9213 runlevel <= 0 ? 'N' : runlevel);
9214
9215 return 0;
9216 }
9217
9218 static int logind_cancel_shutdown(void) {
9219 #if ENABLE_LOGIND
9220 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9221 sd_bus *bus;
9222 int r;
9223
9224 r = acquire_bus(BUS_FULL, &bus);
9225 if (r < 0)
9226 return r;
9227
9228 (void) logind_set_wall_message();
9229
9230 r = bus_call_method(bus, bus_login_mgr, "CancelScheduledShutdown", &error, NULL, NULL);
9231 if (r < 0)
9232 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9233
9234 return 0;
9235 #else
9236 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9237 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9238 #endif
9239 }
9240
9241 static int run(int argc, char *argv[]) {
9242 int r;
9243
9244 setlocale(LC_ALL, "");
9245 log_parse_environment_cli();
9246 log_open();
9247
9248 /* The journal merging logic potentially needs a lot of fds. */
9249 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9250
9251 sigbus_install();
9252
9253 /* Explicitly not on_tty() to avoid setting cached value.
9254 * This becomes relevant for piping output which might be
9255 * ellipsized. */
9256 original_stdout_is_tty = isatty(STDOUT_FILENO);
9257
9258 r = parse_argv(argc, argv);
9259 if (r <= 0)
9260 goto finish;
9261
9262 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9263 if (!arg_quiet)
9264 log_info("Running in chroot, ignoring request.");
9265 r = 0;
9266 goto finish;
9267 }
9268
9269 /* systemctl_main() will print an error message for the bus
9270 * connection, but only if it needs to */
9271
9272 switch (arg_action) {
9273
9274 case ACTION_SYSTEMCTL:
9275 r = systemctl_main(argc, argv);
9276 break;
9277
9278 /* Legacy command aliases set arg_action. They provide some fallbacks,
9279 * e.g. to tell sysvinit to reboot after you have installed systemd
9280 * binaries. */
9281
9282 case ACTION_HALT:
9283 case ACTION_POWEROFF:
9284 case ACTION_REBOOT:
9285 case ACTION_KEXEC:
9286 r = halt_main();
9287 break;
9288
9289 case ACTION_RUNLEVEL2:
9290 case ACTION_RUNLEVEL3:
9291 case ACTION_RUNLEVEL4:
9292 case ACTION_RUNLEVEL5:
9293 case ACTION_RESCUE:
9294 r = start_with_fallback();
9295 break;
9296
9297 case ACTION_RELOAD:
9298 case ACTION_REEXEC:
9299 r = reload_with_fallback();
9300 break;
9301
9302 case ACTION_CANCEL_SHUTDOWN:
9303 r = logind_cancel_shutdown();
9304 break;
9305
9306 case ACTION_RUNLEVEL:
9307 r = runlevel_main();
9308 break;
9309
9310 case ACTION_EXIT:
9311 case ACTION_SUSPEND:
9312 case ACTION_HIBERNATE:
9313 case ACTION_HYBRID_SLEEP:
9314 case ACTION_SUSPEND_THEN_HIBERNATE:
9315 case ACTION_EMERGENCY:
9316 case ACTION_DEFAULT:
9317 /* systemctl verbs with no equivalent in the legacy commands.
9318 * These cannot appear in arg_action. Fall through. */
9319
9320 case _ACTION_INVALID:
9321 default:
9322 assert_not_reached("Unknown action");
9323 }
9324
9325 finish:
9326 release_busses();
9327
9328 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9329 return r;
9330 }
9331
9332 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
Unnamed repository; edit this file 'description' to name the repository.