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[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <stdbool.h>
7 #include <stddef.h>
8 #include <stdio.h>
9 #include <sys/mount.h>
10 #include <sys/prctl.h>
11 #include <sys/reboot.h>
12 #include <unistd.h>
13
14 #include "sd-bus.h"
15 #include "sd-daemon.h"
16 #include "sd-event.h"
17 #include "sd-login.h"
18
19 #include "alloc-util.h"
20 #include "bootspec.h"
21 #include "bus-common-errors.h"
22 #include "bus-error.h"
23 #include "bus-message.h"
24 #include "bus-unit-procs.h"
25 #include "bus-unit-util.h"
26 #include "bus-util.h"
27 #include "bus-wait-for-jobs.h"
28 #include "bus-wait-for-units.h"
29 #include "cgroup-show.h"
30 #include "cgroup-util.h"
31 #include "copy.h"
32 #include "cpu-set-util.h"
33 #include "dirent-util.h"
34 #include "dropin.h"
35 #include "efi-loader.h"
36 #include "efivars.h"
37 #include "env-util.h"
38 #include "escape.h"
39 #include "exec-util.h"
40 #include "exit-status.h"
41 #include "fd-util.h"
42 #include "format-table.h"
43 #include "format-util.h"
44 #include "fs-util.h"
45 #include "glob-util.h"
46 #include "hexdecoct.h"
47 #include "hostname-util.h"
48 #include "in-addr-util.h"
49 #include "initreq.h"
50 #include "install.h"
51 #include "io-util.h"
52 #include "journal-util.h"
53 #include "list.h"
54 #include "locale-util.h"
55 #include "log.h"
56 #include "logs-show.h"
57 #include "macro.h"
58 #include "main-func.h"
59 #include "memory-util.h"
60 #include "mkdir.h"
61 #include "numa-util.h"
62 #include "pager.h"
63 #include "parse-util.h"
64 #include "path-lookup.h"
65 #include "path-util.h"
66 #include "pretty-print.h"
67 #include "proc-cmdline.h"
68 #include "process-util.h"
69 #include "reboot-util.h"
70 #include "rlimit-util.h"
71 #include "set.h"
72 #include "sigbus.h"
73 #include "signal-util.h"
74 #include "socket-util.h"
75 #include "sort-util.h"
76 #include "spawn-ask-password-agent.h"
77 #include "spawn-polkit-agent.h"
78 #include "special.h"
79 #include "stat-util.h"
80 #include "string-table.h"
81 #include "strv.h"
82 #include "sysv-compat.h"
83 #include "terminal-util.h"
84 #include "tmpfile-util.h"
85 #include "unit-def.h"
86 #include "unit-file.h"
87 #include "unit-name.h"
88 #include "user-util.h"
89 #include "utf8.h"
90 #include "utmp-wtmp.h"
91 #include "verbs.h"
92 #include "virt.h"
93
94 static char **arg_types = NULL;
95 static char **arg_states = NULL;
96 static char **arg_properties = NULL;
97 static bool arg_all = false;
98 static enum dependency {
99 DEPENDENCY_FORWARD,
100 DEPENDENCY_REVERSE,
101 DEPENDENCY_AFTER,
102 DEPENDENCY_BEFORE,
103 _DEPENDENCY_MAX
104 } arg_dependency = DEPENDENCY_FORWARD;
105 static const char *arg_job_mode = "replace";
106 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
107 static bool arg_wait = false;
108 static bool arg_no_block = false;
109 static bool arg_no_legend = false;
110 static PagerFlags arg_pager_flags = 0;
111 static bool arg_no_wtmp = false;
112 static bool arg_no_sync = false;
113 static bool arg_no_wall = false;
114 static bool arg_no_reload = false;
115 static bool arg_value = false;
116 static bool arg_show_types = false;
117 static bool arg_ignore_inhibitors = false;
118 static bool arg_dry_run = false;
119 static bool arg_quiet = false;
120 static bool arg_full = false;
121 static bool arg_recursive = false;
122 static bool arg_with_dependencies = false;
123 static bool arg_show_transaction = false;
124 static int arg_force = 0;
125 static bool arg_ask_password = false;
126 static bool arg_runtime = false;
127 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
128 static char **arg_wall = NULL;
129 static const char *arg_kill_who = NULL;
130 static int arg_signal = SIGTERM;
131 static char *arg_root = NULL;
132 static usec_t arg_when = 0;
133 static const char *arg_reboot_argument = NULL;
134 static enum action {
135 ACTION_SYSTEMCTL,
136 ACTION_HALT,
137 ACTION_POWEROFF,
138 ACTION_REBOOT,
139 ACTION_KEXEC,
140 ACTION_EXIT,
141 ACTION_SUSPEND,
142 ACTION_HIBERNATE,
143 ACTION_HYBRID_SLEEP,
144 ACTION_SUSPEND_THEN_HIBERNATE,
145 ACTION_RUNLEVEL2,
146 ACTION_RUNLEVEL3,
147 ACTION_RUNLEVEL4,
148 ACTION_RUNLEVEL5,
149 ACTION_RESCUE,
150 ACTION_EMERGENCY,
151 ACTION_DEFAULT,
152 ACTION_RELOAD,
153 ACTION_REEXEC,
154 ACTION_RUNLEVEL,
155 ACTION_CANCEL_SHUTDOWN,
156 _ACTION_MAX,
157 _ACTION_INVALID = -1
158 } arg_action = ACTION_SYSTEMCTL;
159 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
160 static const char *arg_host = NULL;
161 static unsigned arg_lines = 10;
162 static OutputMode arg_output = OUTPUT_SHORT;
163 static bool arg_plain = false;
164 static bool arg_firmware_setup = false;
165 static usec_t arg_boot_loader_menu = USEC_INFINITY;
166 static const char *arg_boot_loader_entry = NULL;
167 static bool arg_now = false;
168 static bool arg_jobs_before = false;
169 static bool arg_jobs_after = false;
170 static char **arg_clean_what = NULL;
171
172 /* This is a global cache that will be constructed on first use. */
173 static Hashmap *cached_id_map = NULL;
174 static Hashmap *cached_name_map = NULL;
175
176 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
177 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
178 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
179 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
180 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
181 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
182 STATIC_DESTRUCTOR_REGISTER(cached_id_map, hashmap_freep);
183 STATIC_DESTRUCTOR_REGISTER(cached_name_map, hashmap_freep);
184
185 static int daemon_reload(int argc, char *argv[], void* userdata);
186 static int trivial_method(int argc, char *argv[], void *userdata);
187 static int halt_now(enum action a);
188 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
189
190 static bool original_stdout_is_tty;
191
192 typedef enum BusFocus {
193 BUS_FULL, /* The full bus indicated via --system or --user */
194 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
195 _BUS_FOCUS_MAX
196 } BusFocus;
197
198 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
199
200 static UnitFileFlags args_to_flags(void) {
201 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
202 (arg_force ? UNIT_FILE_FORCE : 0);
203 }
204
205 static int acquire_bus(BusFocus focus, sd_bus **ret) {
206 int r;
207
208 assert(focus < _BUS_FOCUS_MAX);
209 assert(ret);
210
211 /* We only go directly to the manager, if we are using a local transport */
212 if (arg_transport != BUS_TRANSPORT_LOCAL)
213 focus = BUS_FULL;
214
215 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
216 focus = BUS_FULL;
217
218 if (!buses[focus]) {
219 bool user;
220
221 user = arg_scope != UNIT_FILE_SYSTEM;
222
223 if (focus == BUS_MANAGER)
224 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
225 else
226 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
227 if (r < 0)
228 return log_error_errno(r, "Failed to connect to bus: %m");
229
230 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
231 }
232
233 *ret = buses[focus];
234 return 0;
235 }
236
237 static void release_busses(void) {
238 BusFocus w;
239
240 for (w = 0; w < _BUS_FOCUS_MAX; w++)
241 buses[w] = sd_bus_flush_close_unref(buses[w]);
242 }
243
244 static void ask_password_agent_open_maybe(void) {
245 /* Open the password agent as a child process if necessary */
246
247 if (arg_dry_run)
248 return;
249
250 if (arg_scope != UNIT_FILE_SYSTEM)
251 return;
252
253 ask_password_agent_open_if_enabled(arg_transport, arg_ask_password);
254 }
255
256 static void polkit_agent_open_maybe(void) {
257 /* Open the polkit agent as a child process if necessary */
258
259 if (arg_scope != UNIT_FILE_SYSTEM)
260 return;
261
262 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
263 }
264
265 static OutputFlags get_output_flags(void) {
266 return
267 arg_all * OUTPUT_SHOW_ALL |
268 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
269 colors_enabled() * OUTPUT_COLOR |
270 !arg_quiet * OUTPUT_WARN_CUTOFF;
271 }
272
273 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
274 assert(error);
275
276 if (!sd_bus_error_is_set(error))
277 return r;
278
279 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
280 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
281 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
282 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
283 return EXIT_NOPERMISSION;
284
285 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
286 return EXIT_NOTINSTALLED;
287
288 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
289 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
290 return EXIT_NOTIMPLEMENTED;
291
292 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
293 return EXIT_NOTCONFIGURED;
294
295 if (r != 0)
296 return r;
297
298 return EXIT_FAILURE;
299 }
300
301 static bool install_client_side(void) {
302 /* Decides when to execute enable/disable/... operations
303 * client-side rather than server-side. */
304
305 if (running_in_chroot_or_offline())
306 return true;
307
308 if (sd_booted() <= 0)
309 return true;
310
311 if (!isempty(arg_root))
312 return true;
313
314 if (arg_scope == UNIT_FILE_GLOBAL)
315 return true;
316
317 /* Unsupported environment variable, mostly for debugging purposes */
318 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
319 return true;
320
321 return false;
322 }
323
324 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
325 int r;
326
327 /* First, order by machine */
328 r = strcasecmp_ptr(a->machine, b->machine);
329 if (r != 0)
330 return r;
331
332 /* Second, order by unit type */
333 r = strcasecmp_ptr(strrchr(a->id, '.'), strrchr(b->id, '.'));
334 if (r != 0)
335 return r;
336
337 /* Third, order by name */
338 return strcasecmp(a->id, b->id);
339 }
340
341 static const char* unit_type_suffix(const char *name) {
342 const char *dot;
343
344 dot = strrchr(name, '.');
345 if (!dot)
346 return "";
347
348 return dot + 1;
349 }
350
351 static bool output_show_unit(const UnitInfo *u, char **patterns) {
352 assert(u);
353
354 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
355 return false;
356
357 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
358 return false;
359
360 if (arg_all)
361 return true;
362
363 /* Note that '--all' is not purely a state filter, but also a
364 * filter that hides units that "follow" other units (which is
365 * used for device units that appear under different names). */
366 if (!isempty(u->following))
367 return false;
368
369 if (!strv_isempty(arg_states))
370 return true;
371
372 /* By default show all units except the ones in inactive
373 * state and with no pending job */
374 if (u->job_id > 0)
375 return true;
376
377 if (streq(u->active_state, "inactive"))
378 return false;
379
380 return true;
381 }
382
383 static int output_table(Table *table) {
384 int r;
385
386 assert(table);
387
388 if (OUTPUT_MODE_IS_JSON(arg_output))
389 r = table_print_json(table, NULL, output_mode_to_json_format_flags(arg_output) | JSON_FORMAT_COLOR_AUTO);
390 else
391 r = table_print(table, NULL);
392 if (r < 0)
393 return log_error_errno(r, "Failed to show table: %m");
394
395 return 0;
396 }
397
398 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
399 _cleanup_(table_unrefp) Table *table = NULL;
400 int r;
401
402 table = table_new("", "unit", "load", "active", "sub", "job", "description");
403 if (!table)
404 return log_oom();
405
406 table_set_header(table, !arg_no_legend);
407 if (arg_plain) {
408 /* Hide the 'glyph' column when --plain is requested */
409 r = table_hide_column_from_display(table, 0);
410 if (r < 0)
411 return log_error_errno(r, "Failed to hide column: %m");
412 }
413 if (arg_full)
414 table_set_width(table, 0);
415
416 (void) table_set_empty_string(table, "-");
417
418 int job_count = 0;
419 for (const UnitInfo *u = unit_infos; unit_infos && u < unit_infos + c; u++) {
420 _cleanup_free_ char *j = NULL;
421 const char *on_underline = "", *on_loaded = "", *on_active = "";
422 const char *on_circle = "", *id;
423 bool circle = false, underline = false;
424
425 if (u + 1 < unit_infos + c &&
426 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
427 on_underline = ansi_underline();
428 underline = true;
429 }
430
431 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
432 on_circle = underline ? ansi_highlight_yellow_underline() : ansi_highlight_yellow();
433 circle = true;
434 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
435 } else if (streq(u->active_state, "failed") && !arg_plain) {
436 on_circle = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
437 circle = true;
438 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
439 } else {
440 on_circle = on_underline;
441 on_active = on_underline;
442 on_loaded = on_underline;
443 }
444
445 if (u->machine) {
446 j = strjoin(u->machine, ":", u->id);
447 if (!j)
448 return log_oom();
449
450 id = j;
451 } else
452 id = u->id;
453
454 r = table_add_many(table,
455 TABLE_STRING, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ",
456 TABLE_SET_BOTH_COLORS, on_circle,
457 TABLE_STRING, id,
458 TABLE_SET_BOTH_COLORS, on_active,
459 TABLE_STRING, u->load_state,
460 TABLE_SET_BOTH_COLORS, on_loaded,
461 TABLE_STRING, u->active_state,
462 TABLE_SET_BOTH_COLORS, on_active,
463 TABLE_STRING, u->sub_state,
464 TABLE_SET_BOTH_COLORS, on_active,
465 TABLE_STRING, u->job_id ? u->job_type: "",
466 TABLE_SET_BOTH_COLORS, u->job_id ? on_underline : "",
467 TABLE_STRING, u->description,
468 TABLE_SET_BOTH_COLORS, on_underline);
469 if (r < 0)
470 return table_log_add_error(r);
471
472 if (u->job_id != 0)
473 job_count++;
474 }
475
476 if (job_count == 0) {
477 /* There's no data in the JOB column, so let's hide it */
478 r = table_hide_column_from_display(table, 5);
479 if (r < 0)
480 return log_error_errno(r, "Failed to hide column: %m");
481 }
482
483 r = output_table(table);
484 if (r < 0)
485 return r;
486
487 if (!arg_no_legend) {
488 const char *on, *off;
489 size_t records = table_get_rows(table) - 1;
490
491 if (records > 0) {
492 puts("\n"
493 "LOAD = Reflects whether the unit definition was properly loaded.\n"
494 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
495 "SUB = The low-level unit activation state, values depend on unit type.");
496 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
497 on = ansi_highlight();
498 off = ansi_normal();
499 } else {
500 on = ansi_highlight_red();
501 off = ansi_normal();
502 }
503
504 if (arg_all || strv_contains(arg_states, "inactive"))
505 printf("%s%zu loaded units listed.%s\n"
506 "To show all installed unit files use 'systemctl list-unit-files'.\n",
507 on, records, off);
508 else if (!arg_states)
509 printf("%s%zu loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
510 "To show all installed unit files use 'systemctl list-unit-files'.\n",
511 on, records, off);
512 else
513 printf("%zu loaded units listed.\n", records);
514 }
515
516 return 0;
517 }
518
519 static int get_unit_list(
520 sd_bus *bus,
521 const char *machine,
522 char **patterns,
523 UnitInfo **unit_infos,
524 int c,
525 sd_bus_message **_reply) {
526
527 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
528 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
529 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
530 size_t size = c;
531 int r;
532 UnitInfo u;
533 bool fallback = false;
534
535 assert(bus);
536 assert(unit_infos);
537 assert(_reply);
538
539 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "ListUnitsByPatterns");
540 if (r < 0)
541 return bus_log_create_error(r);
542
543 r = sd_bus_message_append_strv(m, arg_states);
544 if (r < 0)
545 return bus_log_create_error(r);
546
547 r = sd_bus_message_append_strv(m, patterns);
548 if (r < 0)
549 return bus_log_create_error(r);
550
551 r = sd_bus_call(bus, m, 0, &error, &reply);
552 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
553 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
554 /* Fallback to legacy ListUnitsFiltered method */
555 fallback = true;
556 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
557 m = sd_bus_message_unref(m);
558 sd_bus_error_free(&error);
559
560 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "ListUnitsFiltered");
561 if (r < 0)
562 return bus_log_create_error(r);
563
564 r = sd_bus_message_append_strv(m, arg_states);
565 if (r < 0)
566 return bus_log_create_error(r);
567
568 r = sd_bus_call(bus, m, 0, &error, &reply);
569 }
570 if (r < 0)
571 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
572
573 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
574 if (r < 0)
575 return bus_log_parse_error(r);
576
577 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
578 u.machine = machine;
579
580 if (!output_show_unit(&u, fallback ? patterns : NULL))
581 continue;
582
583 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
584 return log_oom();
585
586 (*unit_infos)[c++] = u;
587 }
588 if (r < 0)
589 return bus_log_parse_error(r);
590
591 r = sd_bus_message_exit_container(reply);
592 if (r < 0)
593 return bus_log_parse_error(r);
594
595 *_reply = TAKE_PTR(reply);
596
597 return c;
598 }
599
600 static void message_set_freep(Set **set) {
601 set_free_with_destructor(*set, sd_bus_message_unref);
602 }
603
604 static int get_unit_list_recursive(
605 sd_bus *bus,
606 char **patterns,
607 UnitInfo **_unit_infos,
608 Set **_replies,
609 char ***_machines) {
610
611 _cleanup_free_ UnitInfo *unit_infos = NULL;
612 _cleanup_(message_set_freep) Set *replies;
613 sd_bus_message *reply;
614 int c, r;
615
616 assert(bus);
617 assert(_replies);
618 assert(_unit_infos);
619 assert(_machines);
620
621 replies = set_new(NULL);
622 if (!replies)
623 return log_oom();
624
625 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
626 if (c < 0)
627 return c;
628
629 r = set_put(replies, reply);
630 if (r < 0) {
631 sd_bus_message_unref(reply);
632 return log_oom();
633 }
634
635 if (arg_recursive) {
636 _cleanup_strv_free_ char **machines = NULL;
637 char **i;
638
639 r = sd_get_machine_names(&machines);
640 if (r < 0)
641 return log_error_errno(r, "Failed to get machine names: %m");
642
643 STRV_FOREACH(i, machines) {
644 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
645 int k;
646
647 r = sd_bus_open_system_machine(&container, *i);
648 if (r < 0) {
649 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
650 continue;
651 }
652
653 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
654 if (k < 0)
655 return k;
656
657 c = k;
658
659 r = set_put(replies, reply);
660 if (r < 0) {
661 sd_bus_message_unref(reply);
662 return log_oom();
663 }
664 }
665
666 *_machines = TAKE_PTR(machines);
667 } else
668 *_machines = NULL;
669
670 *_unit_infos = TAKE_PTR(unit_infos);
671 *_replies = TAKE_PTR(replies);
672
673 return c;
674 }
675
676 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret, bool *ret_expanded) {
677 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
678 char **name;
679 int r, i;
680
681 assert(bus);
682 assert(ret);
683
684 STRV_FOREACH(name, names) {
685 char *t;
686 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
687
688 r = unit_name_mangle_with_suffix(*name, NULL, options, suffix ?: ".service", &t);
689 if (r < 0)
690 return log_error_errno(r, "Failed to mangle name: %m");
691
692 if (string_is_glob(t))
693 r = strv_consume(&globs, t);
694 else
695 r = strv_consume(&mangled, t);
696 if (r < 0)
697 return log_oom();
698 }
699
700 /* Query the manager only if any of the names are a glob, since
701 * this is fairly expensive */
702 bool expanded = !strv_isempty(globs);
703 if (expanded) {
704 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
705 _cleanup_free_ UnitInfo *unit_infos = NULL;
706 size_t allocated, n;
707
708 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
709 if (r < 0)
710 return r;
711
712 n = strv_length(mangled);
713 allocated = n + 1;
714
715 for (i = 0; i < r; i++) {
716 if (!GREEDY_REALLOC(mangled, allocated, n+2))
717 return log_oom();
718
719 mangled[n] = strdup(unit_infos[i].id);
720 if (!mangled[n])
721 return log_oom();
722
723 mangled[++n] = NULL;
724 }
725 }
726
727 if (ret_expanded)
728 *ret_expanded = expanded;
729
730 *ret = TAKE_PTR(mangled);
731 return 0;
732 }
733
734 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***ret) {
735 _cleanup_strv_free_ char **deps = NULL;
736
737 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
738 [DEPENDENCY_FORWARD] = {
739 { "Requires", "as", NULL, 0 },
740 { "Requisite", "as", NULL, 0 },
741 { "Wants", "as", NULL, 0 },
742 { "ConsistsOf", "as", NULL, 0 },
743 { "BindsTo", "as", NULL, 0 },
744 {}
745 },
746 [DEPENDENCY_REVERSE] = {
747 { "RequiredBy", "as", NULL, 0 },
748 { "RequisiteOf", "as", NULL, 0 },
749 { "WantedBy", "as", NULL, 0 },
750 { "PartOf", "as", NULL, 0 },
751 { "BoundBy", "as", NULL, 0 },
752 {}
753 },
754 [DEPENDENCY_AFTER] = {
755 { "After", "as", NULL, 0 },
756 {}
757 },
758 [DEPENDENCY_BEFORE] = {
759 { "Before", "as", NULL, 0 },
760 {}
761 },
762 };
763
764 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
765 _cleanup_free_ char *dbus_path = NULL;
766 int r;
767
768 assert(bus);
769 assert(name);
770 assert(ret);
771
772 dbus_path = unit_dbus_path_from_name(name);
773 if (!dbus_path)
774 return log_oom();
775
776 r = bus_map_all_properties(bus,
777 "org.freedesktop.systemd1",
778 dbus_path,
779 map[arg_dependency],
780 BUS_MAP_STRDUP,
781 &error,
782 NULL,
783 &deps);
784 if (r < 0)
785 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
786
787 strv_uniq(deps); /* Sometimes a unit might have multiple deps on the other unit,
788 * but we still want to show it just once. */
789 *ret = TAKE_PTR(deps);
790
791 return 0;
792 }
793
794 static int append_unit_dependencies(sd_bus *bus, char **names, char ***ret) {
795 _cleanup_strv_free_ char **with_deps = NULL;
796 char **name;
797
798 assert(bus);
799 assert(ret);
800
801 STRV_FOREACH(name, names) {
802 _cleanup_strv_free_ char **deps = NULL;
803
804 if (strv_extend(&with_deps, *name) < 0)
805 return log_oom();
806
807 (void) list_dependencies_get_dependencies(bus, *name, &deps);
808
809 if (strv_extend_strv(&with_deps, deps, true) < 0)
810 return log_oom();
811 }
812
813 *ret = TAKE_PTR(with_deps);
814
815 return 0;
816 }
817
818 static int maybe_extend_with_unit_dependencies(sd_bus *bus, char ***list) {
819 assert(bus);
820 assert(list);
821
822 if (arg_with_dependencies) {
823 int r;
824 _cleanup_strv_free_ char **list_with_deps = NULL;
825
826 r = append_unit_dependencies(bus, *list, &list_with_deps);
827 if (r < 0)
828 return log_error_errno(r, "Failed to append unit dependencies: %m");
829
830 strv_free(*list);
831 *list = TAKE_PTR(list_with_deps);
832 }
833
834 return 0;
835 }
836
837 static int list_units(int argc, char *argv[], void *userdata) {
838 _cleanup_free_ UnitInfo *unit_infos = NULL;
839 _cleanup_(message_set_freep) Set *replies = NULL;
840 _cleanup_strv_free_ char **machines = NULL;
841 sd_bus *bus;
842 int r;
843
844 r = acquire_bus(BUS_MANAGER, &bus);
845 if (r < 0)
846 return r;
847
848 (void) pager_open(arg_pager_flags);
849
850 if (arg_with_dependencies) {
851 _cleanup_strv_free_ char **names = NULL;
852
853 r = append_unit_dependencies(bus, strv_skip(argv, 1), &names);
854 if (r < 0)
855 return r;
856
857 r = get_unit_list_recursive(bus, names, &unit_infos, &replies, &machines);
858 if (r < 0)
859 return r;
860 } else {
861 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
862 if (r < 0)
863 return r;
864 }
865
866 typesafe_qsort(unit_infos, r, compare_unit_info);
867 return output_units_list(unit_infos, r);
868 }
869
870 static int get_triggered_units(
871 sd_bus *bus,
872 const char* path,
873 char*** ret) {
874
875 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
876 int r;
877
878 assert(bus);
879 assert(path);
880 assert(ret);
881
882 r = sd_bus_get_property_strv(
883 bus,
884 "org.freedesktop.systemd1",
885 path,
886 "org.freedesktop.systemd1.Unit",
887 "Triggers",
888 &error,
889 ret);
890 if (r < 0)
891 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
892
893 return 0;
894 }
895
896 static int get_listening(
897 sd_bus *bus,
898 const char* unit_path,
899 char*** listening) {
900
901 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
902 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
903 const char *type, *path;
904 int r, n = 0;
905
906 r = sd_bus_get_property(
907 bus,
908 "org.freedesktop.systemd1",
909 unit_path,
910 "org.freedesktop.systemd1.Socket",
911 "Listen",
912 &error,
913 &reply,
914 "a(ss)");
915 if (r < 0)
916 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
917
918 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
919 if (r < 0)
920 return bus_log_parse_error(r);
921
922 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
923
924 r = strv_extend(listening, type);
925 if (r < 0)
926 return log_oom();
927
928 r = strv_extend(listening, path);
929 if (r < 0)
930 return log_oom();
931
932 n++;
933 }
934 if (r < 0)
935 return bus_log_parse_error(r);
936
937 r = sd_bus_message_exit_container(reply);
938 if (r < 0)
939 return bus_log_parse_error(r);
940
941 return n;
942 }
943
944 struct socket_info {
945 const char *machine;
946 const char* id;
947
948 char* type;
949 char* path;
950
951 /* Note: triggered is a list here, although it almost certainly
952 * will always be one unit. Nevertheless, dbus API allows for multiple
953 * values, so let's follow that. */
954 char** triggered;
955
956 /* The strv above is shared. free is set only in the first one. */
957 bool own_triggered;
958 };
959
960 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
961 int r;
962
963 assert(a);
964 assert(b);
965
966 r = strcasecmp_ptr(a->machine, b->machine);
967 if (r != 0)
968 return r;
969
970 r = strcmp(a->path, b->path);
971 if (r != 0)
972 return r;
973
974 return strcmp(a->type, b->type);
975 }
976
977 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
978 _cleanup_(table_unrefp) Table *table = NULL;
979 struct socket_info *s;
980 const char *on, *off;
981 int r;
982
983 table = table_new("listen", "type", "unit", "activates");
984 if (!table)
985 return log_oom();
986
987 if (!arg_show_types) {
988 /* Hide the second (TYPE) column */
989 r = table_set_display(table, (size_t) 0, (size_t) 2, (size_t) 3, (size_t) -1);
990 if (r < 0)
991 return log_error_errno(r, "Failed to set columns to display: %m");
992 }
993
994 table_set_header(table, !arg_no_legend);
995 if (arg_full)
996 table_set_width(table, 0);
997
998 (void) table_set_empty_string(table, "-");
999
1000 if (cs) {
1001 for (s = socket_infos; s < socket_infos + cs; s++) {
1002 _cleanup_free_ char *j = NULL;
1003 const char *path;
1004
1005 if (s->machine) {
1006 j = strjoin(s->machine, ":", s->path);
1007 if (!j)
1008 return log_oom();
1009 path = j;
1010 } else
1011 path = s->path;
1012
1013 r = table_add_many(table,
1014 TABLE_STRING, path,
1015 TABLE_STRING, s->type,
1016 TABLE_STRING, s->id);
1017 if (r < 0)
1018 return table_log_add_error(r);
1019
1020 if (strv_isempty(s->triggered))
1021 r = table_add_cell(table, NULL, TABLE_EMPTY, NULL);
1022 else if (strv_length(s->triggered) == 1)
1023 r = table_add_cell(table, NULL, TABLE_STRING, s->triggered[0]);
1024 else
1025 /* This should never happen, currently our socket units can only trigger a
1026 * single unit. But let's handle this anyway, who knows what the future
1027 * brings? */
1028 r = table_add_cell(table, NULL, TABLE_STRV, s->triggered);
1029 if (r < 0)
1030 return table_log_add_error(r);
1031
1032 }
1033
1034 on = ansi_highlight();
1035 off = ansi_normal();
1036 } else {
1037 on = ansi_highlight_red();
1038 off = ansi_normal();
1039 }
1040
1041 r = output_table(table);
1042 if (r < 0)
1043 return r;
1044
1045 if (!arg_no_legend) {
1046 printf("\n%s%u sockets listed.%s\n", on, cs, off);
1047 if (!arg_all)
1048 printf("Pass --all to see loaded but inactive sockets, too.\n");
1049 }
1050
1051 return 0;
1052 }
1053
1054 static int list_sockets(int argc, char *argv[], void *userdata) {
1055 _cleanup_(message_set_freep) Set *replies = NULL;
1056 _cleanup_strv_free_ char **machines = NULL;
1057 _cleanup_strv_free_ char **sockets_with_suffix = NULL;
1058 _cleanup_free_ UnitInfo *unit_infos = NULL;
1059 _cleanup_free_ struct socket_info *socket_infos = NULL;
1060 const UnitInfo *u;
1061 struct socket_info *s;
1062 unsigned cs = 0;
1063 size_t size = 0;
1064 int r = 0, n;
1065 sd_bus *bus;
1066
1067 r = acquire_bus(BUS_MANAGER, &bus);
1068 if (r < 0)
1069 return r;
1070
1071 (void) pager_open(arg_pager_flags);
1072
1073 r = expand_names(bus, strv_skip(argv, 1), ".socket", &sockets_with_suffix, NULL);
1074 if (r < 0)
1075 return r;
1076
1077 if (argc == 1 || sockets_with_suffix) {
1078 n = get_unit_list_recursive(bus, sockets_with_suffix, &unit_infos, &replies, &machines);
1079 if (n < 0)
1080 return n;
1081
1082 for (u = unit_infos; u < unit_infos + n; u++) {
1083 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
1084 int i, c;
1085
1086 if (!endswith(u->id, ".socket"))
1087 continue;
1088
1089 r = get_triggered_units(bus, u->unit_path, &triggered);
1090 if (r < 0)
1091 goto cleanup;
1092
1093 c = get_listening(bus, u->unit_path, &listening);
1094 if (c < 0) {
1095 r = c;
1096 goto cleanup;
1097 }
1098
1099 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
1100 r = log_oom();
1101 goto cleanup;
1102 }
1103
1104 for (i = 0; i < c; i++)
1105 socket_infos[cs + i] = (struct socket_info) {
1106 .machine = u->machine,
1107 .id = u->id,
1108 .type = listening[i*2],
1109 .path = listening[i*2 + 1],
1110 .triggered = triggered,
1111 .own_triggered = i==0,
1112 };
1113
1114 /* from this point on we will cleanup those socket_infos */
1115 cs += c;
1116 free(listening);
1117 listening = triggered = NULL; /* avoid cleanup */
1118 }
1119
1120 typesafe_qsort(socket_infos, cs, socket_info_compare);
1121 }
1122
1123 output_sockets_list(socket_infos, cs);
1124
1125 cleanup:
1126 assert(cs == 0 || socket_infos);
1127 for (s = socket_infos; s < socket_infos + cs; s++) {
1128 free(s->type);
1129 free(s->path);
1130 if (s->own_triggered)
1131 strv_free(s->triggered);
1132 }
1133
1134 return r;
1135 }
1136
1137 static int get_next_elapse(
1138 sd_bus *bus,
1139 const char *path,
1140 dual_timestamp *next) {
1141
1142 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1143 dual_timestamp t;
1144 int r;
1145
1146 assert(bus);
1147 assert(path);
1148 assert(next);
1149
1150 r = sd_bus_get_property_trivial(
1151 bus,
1152 "org.freedesktop.systemd1",
1153 path,
1154 "org.freedesktop.systemd1.Timer",
1155 "NextElapseUSecMonotonic",
1156 &error,
1157 't',
1158 &t.monotonic);
1159 if (r < 0)
1160 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1161
1162 r = sd_bus_get_property_trivial(
1163 bus,
1164 "org.freedesktop.systemd1",
1165 path,
1166 "org.freedesktop.systemd1.Timer",
1167 "NextElapseUSecRealtime",
1168 &error,
1169 't',
1170 &t.realtime);
1171 if (r < 0)
1172 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1173
1174 *next = t;
1175 return 0;
1176 }
1177
1178 static int get_last_trigger(
1179 sd_bus *bus,
1180 const char *path,
1181 usec_t *last) {
1182
1183 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1184 int r;
1185
1186 assert(bus);
1187 assert(path);
1188 assert(last);
1189
1190 r = sd_bus_get_property_trivial(
1191 bus,
1192 "org.freedesktop.systemd1",
1193 path,
1194 "org.freedesktop.systemd1.Timer",
1195 "LastTriggerUSec",
1196 &error,
1197 't',
1198 last);
1199 if (r < 0)
1200 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1201
1202 return 0;
1203 }
1204
1205 struct timer_info {
1206 const char* machine;
1207 const char* id;
1208 usec_t next_elapse;
1209 usec_t last_trigger;
1210 char** triggered;
1211 };
1212
1213 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1214 int r;
1215
1216 assert(a);
1217 assert(b);
1218
1219 r = strcasecmp_ptr(a->machine, b->machine);
1220 if (r != 0)
1221 return r;
1222
1223 r = CMP(a->next_elapse, b->next_elapse);
1224 if (r != 0)
1225 return r;
1226
1227 return strcmp(a->id, b->id);
1228 }
1229
1230 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1231 _cleanup_(table_unrefp) Table *table = NULL;
1232 struct timer_info *t;
1233 const char *on, *off;
1234 int r;
1235
1236 assert(timer_infos || n == 0);
1237
1238 table = table_new("next", "left", "last", "passed", "unit", "activates");
1239 if (!table)
1240 return log_oom();
1241
1242 table_set_header(table, !arg_no_legend);
1243 if (arg_full)
1244 table_set_width(table, 0);
1245
1246 (void) table_set_empty_string(table, "-");
1247
1248 if (n > 0) {
1249 for (t = timer_infos; t < timer_infos + n; t++) {
1250 _cleanup_free_ char *j = NULL, *activates = NULL;
1251 const char *unit;
1252
1253 if (t->machine) {
1254 j = strjoin(t->machine, ":", t->id);
1255 if (!j)
1256 return log_oom();
1257 unit = j;
1258 } else
1259 unit = t->id;
1260
1261 activates = strv_join(t->triggered, ", ");
1262 if (!activates)
1263 return log_oom();
1264
1265 r = table_add_many(table,
1266 TABLE_TIMESTAMP, t->next_elapse,
1267 TABLE_TIMESTAMP_RELATIVE, t->next_elapse,
1268 TABLE_TIMESTAMP, t->last_trigger,
1269 TABLE_TIMESTAMP_RELATIVE, t->last_trigger,
1270 TABLE_STRING, unit,
1271 TABLE_STRING, activates);
1272 if (r < 0)
1273 return table_log_add_error(r);
1274 }
1275
1276 on = ansi_highlight();
1277 off = ansi_normal();
1278 } else {
1279 on = ansi_highlight_red();
1280 off = ansi_normal();
1281 }
1282
1283 r = output_table(table);
1284 if (r < 0)
1285 return r;
1286
1287 if (!arg_no_legend) {
1288 printf("\n%s%u timers listed.%s\n", on, n, off);
1289 if (!arg_all)
1290 printf("Pass --all to see loaded but inactive timers, too.\n");
1291 }
1292
1293 return 0;
1294 }
1295
1296 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1297 usec_t next_elapse;
1298
1299 assert(nw);
1300 assert(next);
1301
1302 if (timestamp_is_set(next->monotonic)) {
1303 usec_t converted;
1304
1305 if (next->monotonic > nw->monotonic)
1306 converted = nw->realtime + (next->monotonic - nw->monotonic);
1307 else
1308 converted = nw->realtime - (nw->monotonic - next->monotonic);
1309
1310 if (timestamp_is_set(next->realtime))
1311 next_elapse = MIN(converted, next->realtime);
1312 else
1313 next_elapse = converted;
1314
1315 } else
1316 next_elapse = next->realtime;
1317
1318 return next_elapse;
1319 }
1320
1321 static int list_timers(int argc, char *argv[], void *userdata) {
1322 _cleanup_(message_set_freep) Set *replies = NULL;
1323 _cleanup_strv_free_ char **machines = NULL;
1324 _cleanup_strv_free_ char **timers_with_suffix = NULL;
1325 _cleanup_free_ struct timer_info *timer_infos = NULL;
1326 _cleanup_free_ UnitInfo *unit_infos = NULL;
1327 struct timer_info *t;
1328 const UnitInfo *u;
1329 size_t size = 0;
1330 int n, c = 0;
1331 dual_timestamp nw;
1332 sd_bus *bus;
1333 int r = 0;
1334
1335 r = acquire_bus(BUS_MANAGER, &bus);
1336 if (r < 0)
1337 return r;
1338
1339 (void) pager_open(arg_pager_flags);
1340
1341 r = expand_names(bus, strv_skip(argv, 1), ".timer", &timers_with_suffix, NULL);
1342 if (r < 0)
1343 return r;
1344
1345 if (argc == 1 || timers_with_suffix) {
1346 n = get_unit_list_recursive(bus, timers_with_suffix, &unit_infos, &replies, &machines);
1347 if (n < 0)
1348 return n;
1349
1350 dual_timestamp_get(&nw);
1351
1352 for (u = unit_infos; u < unit_infos + n; u++) {
1353 _cleanup_strv_free_ char **triggered = NULL;
1354 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1355 usec_t m, last = 0;
1356
1357 if (!endswith(u->id, ".timer"))
1358 continue;
1359
1360 r = get_triggered_units(bus, u->unit_path, &triggered);
1361 if (r < 0)
1362 goto cleanup;
1363
1364 r = get_next_elapse(bus, u->unit_path, &next);
1365 if (r < 0)
1366 goto cleanup;
1367
1368 get_last_trigger(bus, u->unit_path, &last);
1369
1370 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1371 r = log_oom();
1372 goto cleanup;
1373 }
1374
1375 m = calc_next_elapse(&nw, &next);
1376
1377 timer_infos[c++] = (struct timer_info) {
1378 .machine = u->machine,
1379 .id = u->id,
1380 .next_elapse = m,
1381 .last_trigger = last,
1382 .triggered = TAKE_PTR(triggered),
1383 };
1384 }
1385
1386 typesafe_qsort(timer_infos, c, timer_info_compare);
1387 }
1388
1389 output_timers_list(timer_infos, c);
1390
1391 cleanup:
1392 for (t = timer_infos; t < timer_infos + c; t++)
1393 strv_free(t->triggered);
1394
1395 return r;
1396 }
1397
1398 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1399 const char *d1, *d2;
1400
1401 d1 = strrchr(a->path, '.');
1402 d2 = strrchr(b->path, '.');
1403
1404 if (d1 && d2) {
1405 int r;
1406
1407 r = strcasecmp(d1, d2);
1408 if (r != 0)
1409 return r;
1410 }
1411
1412 return strcasecmp(basename(a->path), basename(b->path));
1413 }
1414
1415 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1416 assert(u);
1417
1418 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1419 return false;
1420
1421 if (!strv_isempty(arg_types)) {
1422 const char *dot;
1423
1424 dot = strrchr(u->path, '.');
1425 if (!dot)
1426 return false;
1427
1428 if (!strv_find(arg_types, dot+1))
1429 return false;
1430 }
1431
1432 if (!strv_isempty(states) &&
1433 !strv_find(states, unit_file_state_to_string(u->state)))
1434 return false;
1435
1436 return true;
1437 }
1438
1439 static bool show_preset_for_state(UnitFileState state) {
1440 /* Don't show preset state in those unit file states, it'll only confuse users. */
1441 return !IN_SET(state,
1442 UNIT_FILE_ALIAS,
1443 UNIT_FILE_STATIC,
1444 UNIT_FILE_GENERATED,
1445 UNIT_FILE_TRANSIENT);
1446 }
1447
1448 static int output_unit_file_list(const UnitFileList *units, unsigned c) {
1449 _cleanup_(table_unrefp) Table *table = NULL;
1450 _cleanup_(unit_file_presets_freep) UnitFilePresets presets = {};
1451 int r;
1452
1453 table = table_new("unit file", "state", "vendor preset");
1454 if (!table)
1455 return log_oom();
1456
1457 table_set_header(table, !arg_no_legend);
1458 if (arg_full)
1459 table_set_width(table, 0);
1460
1461 (void) table_set_empty_string(table, "-");
1462
1463 for (const UnitFileList *u = units; u < units + c; u++) {
1464 const char *on_underline = NULL, *on_unit_color = NULL, *id;
1465 bool underline;
1466
1467 underline = u + 1 < units + c &&
1468 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1469
1470 if (underline)
1471 on_underline = ansi_underline();
1472
1473 if (IN_SET(u->state,
1474 UNIT_FILE_MASKED,
1475 UNIT_FILE_MASKED_RUNTIME,
1476 UNIT_FILE_DISABLED,
1477 UNIT_FILE_BAD))
1478 on_unit_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1479 else if (IN_SET(u->state,
1480 UNIT_FILE_ENABLED,
1481 UNIT_FILE_ALIAS))
1482 on_unit_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1483 else
1484 on_unit_color = on_underline;
1485
1486 id = basename(u->path);
1487
1488 r = table_add_many(table,
1489 TABLE_STRING, id,
1490 TABLE_SET_BOTH_COLORS, strempty(on_underline),
1491 TABLE_STRING, unit_file_state_to_string(u->state),
1492 TABLE_SET_BOTH_COLORS, strempty(on_unit_color));
1493 if (r < 0)
1494 return table_log_add_error(r);
1495
1496 if (show_preset_for_state(u->state)) {
1497 const char *unit_preset_str, *on_preset_color;
1498
1499 r = unit_file_query_preset(arg_scope, arg_root, id, &presets);
1500 if (r < 0) {
1501 unit_preset_str = "n/a";
1502 on_preset_color = underline ? on_underline : ansi_normal();
1503 } else if (r == 0) {
1504 unit_preset_str = "disabled";
1505 on_preset_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1506 } else {
1507 unit_preset_str = "enabled";
1508 on_preset_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1509 }
1510
1511 r = table_add_many(table,
1512 TABLE_STRING, unit_preset_str,
1513 TABLE_SET_BOTH_COLORS, strempty(on_preset_color));
1514 } else
1515 r = table_add_many(table,
1516 TABLE_EMPTY,
1517 TABLE_SET_BOTH_COLORS, underline ? ansi_grey_underline() : ansi_grey());
1518 if (r < 0)
1519 return table_log_add_error(r);
1520 }
1521
1522 r = output_table(table);
1523 if (r < 0)
1524 return r;
1525
1526 if (!arg_no_legend)
1527 printf("\n%u unit files listed.\n", c);
1528
1529 return 0;
1530 }
1531
1532 static int list_unit_files(int argc, char *argv[], void *userdata) {
1533 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1534 _cleanup_free_ UnitFileList *units = NULL;
1535 UnitFileList *unit;
1536 size_t size = 0;
1537 unsigned c = 0;
1538 const char *state;
1539 char *path;
1540 int r;
1541 bool fallback = false;
1542
1543 if (install_client_side()) {
1544 Hashmap *h;
1545 UnitFileList *u;
1546 Iterator i;
1547 unsigned n_units;
1548
1549 h = hashmap_new(&string_hash_ops);
1550 if (!h)
1551 return log_oom();
1552
1553 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1554 if (r < 0) {
1555 unit_file_list_free(h);
1556 return log_error_errno(r, "Failed to get unit file list: %m");
1557 }
1558
1559 n_units = hashmap_size(h);
1560
1561 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1562 if (!units) {
1563 unit_file_list_free(h);
1564 return log_oom();
1565 }
1566
1567 HASHMAP_FOREACH(u, h, i) {
1568 if (!output_show_unit_file(u, NULL, NULL))
1569 continue;
1570
1571 units[c++] = *u;
1572 free(u);
1573 }
1574
1575 assert(c <= n_units);
1576 hashmap_free(h);
1577
1578 r = 0;
1579 } else {
1580 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1581 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1582 sd_bus *bus;
1583
1584 r = acquire_bus(BUS_MANAGER, &bus);
1585 if (r < 0)
1586 return r;
1587
1588 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "ListUnitFilesByPatterns");
1589 if (r < 0)
1590 return bus_log_create_error(r);
1591
1592 r = sd_bus_message_append_strv(m, arg_states);
1593 if (r < 0)
1594 return bus_log_create_error(r);
1595
1596 if (arg_with_dependencies) {
1597 _cleanup_strv_free_ char **names_with_deps = NULL;
1598
1599 r = append_unit_dependencies(bus, strv_skip(argv, 1), &names_with_deps);
1600 if (r < 0)
1601 return log_error_errno(r, "Failed to append unit dependencies: %m");
1602
1603 r = sd_bus_message_append_strv(m, names_with_deps);
1604 if (r < 0)
1605 return bus_log_create_error(r);
1606 } else {
1607 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1608 if (r < 0)
1609 return bus_log_create_error(r);
1610 }
1611
1612 r = sd_bus_call(bus, m, 0, &error, &reply);
1613 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1614 /* Fallback to legacy ListUnitFiles method */
1615 fallback = true;
1616 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1617 m = sd_bus_message_unref(m);
1618 sd_bus_error_free(&error);
1619
1620 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "ListUnitFiles");
1621 if (r < 0)
1622 return bus_log_create_error(r);
1623
1624 r = sd_bus_call(bus, m, 0, &error, &reply);
1625 }
1626 if (r < 0)
1627 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1628
1629 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1630 if (r < 0)
1631 return bus_log_parse_error(r);
1632
1633 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1634
1635 if (!GREEDY_REALLOC(units, size, c + 1))
1636 return log_oom();
1637
1638 units[c] = (struct UnitFileList) {
1639 path,
1640 unit_file_state_from_string(state)
1641 };
1642
1643 if (output_show_unit_file(&units[c],
1644 fallback ? arg_states : NULL,
1645 fallback ? strv_skip(argv, 1) : NULL))
1646 c++;
1647
1648 }
1649 if (r < 0)
1650 return bus_log_parse_error(r);
1651
1652 r = sd_bus_message_exit_container(reply);
1653 if (r < 0)
1654 return bus_log_parse_error(r);
1655 }
1656
1657 (void) pager_open(arg_pager_flags);
1658
1659 typesafe_qsort(units, c, compare_unit_file_list);
1660 r = output_unit_file_list(units, c);
1661 if (r < 0)
1662 return r;
1663
1664 if (install_client_side())
1665 for (unit = units; unit < units + c; unit++)
1666 free(unit->path);
1667
1668 if (c == 0)
1669 return -ENOENT;
1670
1671 return 0;
1672 }
1673
1674 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1675 _cleanup_free_ char *n = NULL;
1676 size_t max_len = MAX(columns(),20u);
1677 size_t len = 0;
1678 int i;
1679
1680 if (!arg_plain) {
1681
1682 for (i = level - 1; i >= 0; i--) {
1683 len += 2;
1684 if (len > max_len - 3 && !arg_full) {
1685 printf("%s...\n",max_len % 2 ? "" : " ");
1686 return 0;
1687 }
1688 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1689 }
1690 len += 2;
1691
1692 if (len > max_len - 3 && !arg_full) {
1693 printf("%s...\n",max_len % 2 ? "" : " ");
1694 return 0;
1695 }
1696
1697 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1698 }
1699
1700 if (arg_full) {
1701 printf("%s\n", name);
1702 return 0;
1703 }
1704
1705 n = ellipsize(name, max_len-len, 100);
1706 if (!n)
1707 return log_oom();
1708
1709 printf("%s\n", n);
1710 return 0;
1711 }
1712
1713 static int list_dependencies_compare(char * const *a, char * const *b) {
1714 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1715 return 1;
1716 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1717 return -1;
1718
1719 return strcasecmp(*a, *b);
1720 }
1721
1722 static int list_dependencies_one(
1723 sd_bus *bus,
1724 const char *name,
1725 int level,
1726 char ***units,
1727 unsigned branches) {
1728
1729 _cleanup_strv_free_ char **deps = NULL;
1730 char **c;
1731 int r = 0;
1732
1733 assert(bus);
1734 assert(name);
1735 assert(units);
1736
1737 r = strv_extend(units, name);
1738 if (r < 0)
1739 return log_oom();
1740
1741 r = list_dependencies_get_dependencies(bus, name, &deps);
1742 if (r < 0)
1743 return r;
1744
1745 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1746
1747 STRV_FOREACH(c, deps) {
1748 if (strv_contains(*units, *c)) {
1749 if (!arg_plain) {
1750 printf(" ");
1751 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1752 if (r < 0)
1753 return r;
1754 }
1755 continue;
1756 }
1757
1758 if (arg_plain)
1759 printf(" ");
1760 else {
1761 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1762 const char *on;
1763
1764 (void) get_state_one_unit(bus, *c, &active_state);
1765
1766 switch (active_state) {
1767 case UNIT_ACTIVE:
1768 case UNIT_RELOADING:
1769 case UNIT_ACTIVATING:
1770 on = ansi_highlight_green();
1771 break;
1772
1773 case UNIT_INACTIVE:
1774 case UNIT_DEACTIVATING:
1775 on = ansi_normal();
1776 break;
1777
1778 default:
1779 on = ansi_highlight_red();
1780 break;
1781 }
1782
1783 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1784 }
1785
1786 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1787 if (r < 0)
1788 return r;
1789
1790 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1791 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1792 if (r < 0)
1793 return r;
1794 }
1795 }
1796
1797 if (!arg_plain)
1798 strv_remove(*units, name);
1799
1800 return 0;
1801 }
1802
1803 static int list_dependencies(int argc, char *argv[], void *userdata) {
1804 _cleanup_strv_free_ char **units = NULL, **done = NULL;
1805 char **u, **patterns;
1806 sd_bus *bus;
1807 int r;
1808
1809 r = acquire_bus(BUS_MANAGER, &bus);
1810 if (r < 0)
1811 return r;
1812
1813 patterns = strv_skip(argv, 1);
1814 if (strv_isempty(patterns)) {
1815 units = strv_new(SPECIAL_DEFAULT_TARGET);
1816 if (!units)
1817 return log_oom();
1818 } else {
1819 r = expand_names(bus, patterns, NULL, &units, NULL);
1820 if (r < 0)
1821 return log_error_errno(r, "Failed to expand names: %m");
1822 }
1823
1824 (void) pager_open(arg_pager_flags);
1825
1826 STRV_FOREACH(u, units) {
1827 if (u != units)
1828 puts("");
1829
1830 puts(*u);
1831 r = list_dependencies_one(bus, *u, 0, &done, 0);
1832 if (r < 0)
1833 return r;
1834 }
1835
1836 return 0;
1837 }
1838
1839 struct machine_info {
1840 bool is_host;
1841 char *name;
1842 char *state;
1843 char *control_group;
1844 uint32_t n_failed_units;
1845 uint32_t n_jobs;
1846 usec_t timestamp;
1847 };
1848
1849 static const struct bus_properties_map machine_info_property_map[] = {
1850 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1851 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1852 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1853 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1854 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1855 {}
1856 };
1857
1858 static void machine_info_clear(struct machine_info *info) {
1859 assert(info);
1860
1861 free(info->name);
1862 free(info->state);
1863 free(info->control_group);
1864 zero(*info);
1865 }
1866
1867 static void free_machines_list(struct machine_info *machine_infos, int n) {
1868 int i;
1869
1870 if (!machine_infos)
1871 return;
1872
1873 for (i = 0; i < n; i++)
1874 machine_info_clear(&machine_infos[i]);
1875
1876 free(machine_infos);
1877 }
1878
1879 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1880 int r;
1881
1882 r = CMP(b->is_host, a->is_host);
1883 if (r != 0)
1884 return r;
1885
1886 return strcasecmp(a->name, b->name);
1887 }
1888
1889 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1890 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1891 int r;
1892
1893 assert(mi);
1894
1895 if (!bus) {
1896 r = sd_bus_open_system_machine(&container, mi->name);
1897 if (r < 0)
1898 return r;
1899
1900 bus = container;
1901 }
1902
1903 r = bus_map_all_properties(
1904 bus,
1905 "org.freedesktop.systemd1",
1906 "/org/freedesktop/systemd1",
1907 machine_info_property_map,
1908 BUS_MAP_STRDUP,
1909 NULL,
1910 NULL,
1911 mi);
1912 if (r < 0)
1913 return r;
1914
1915 return 0;
1916 }
1917
1918 static bool output_show_machine(const char *name, char **patterns) {
1919 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1920 }
1921
1922 static int get_machine_list(
1923 sd_bus *bus,
1924 struct machine_info **_machine_infos,
1925 char **patterns) {
1926
1927 struct machine_info *machine_infos = NULL;
1928 _cleanup_strv_free_ char **m = NULL;
1929 _cleanup_free_ char *hn = NULL;
1930 size_t sz = 0;
1931 char **i;
1932 int c = 0, r;
1933
1934 hn = gethostname_malloc();
1935 if (!hn)
1936 return log_oom();
1937
1938 if (output_show_machine(hn, patterns)) {
1939 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1940 return log_oom();
1941
1942 machine_infos[c].is_host = true;
1943 machine_infos[c].name = TAKE_PTR(hn);
1944
1945 (void) get_machine_properties(bus, &machine_infos[c]);
1946 c++;
1947 }
1948
1949 r = sd_get_machine_names(&m);
1950 if (r < 0)
1951 return log_error_errno(r, "Failed to get machine list: %m");
1952
1953 STRV_FOREACH(i, m) {
1954 _cleanup_free_ char *class = NULL;
1955
1956 if (!output_show_machine(*i, patterns))
1957 continue;
1958
1959 sd_machine_get_class(*i, &class);
1960 if (!streq_ptr(class, "container"))
1961 continue;
1962
1963 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1964 free_machines_list(machine_infos, c);
1965 return log_oom();
1966 }
1967
1968 machine_infos[c].is_host = false;
1969 machine_infos[c].name = strdup(*i);
1970 if (!machine_infos[c].name) {
1971 free_machines_list(machine_infos, c);
1972 return log_oom();
1973 }
1974
1975 (void) get_machine_properties(NULL, &machine_infos[c]);
1976 c++;
1977 }
1978
1979 *_machine_infos = machine_infos;
1980 return c;
1981 }
1982
1983 static int output_machines_list(struct machine_info *machine_infos, unsigned n) {
1984 _cleanup_(table_unrefp) Table *table = NULL;
1985 struct machine_info *m;
1986 bool state_missing = false;
1987 int r;
1988
1989 assert(machine_infos || n == 0);
1990
1991 table = table_new("", "name", "state", "failed", "jobs");
1992 if (!table)
1993 return log_oom();
1994
1995 table_set_header(table, !arg_no_legend);
1996 if (arg_plain) {
1997 /* Hide the 'glyph' column when --plain is requested */
1998 r = table_hide_column_from_display(table, 0);
1999 if (r < 0)
2000 return log_error_errno(r, "Failed to hide column: %m");
2001 }
2002 if (arg_full)
2003 table_set_width(table, 0);
2004
2005 (void) table_set_empty_string(table, "-");
2006
2007 for (m = machine_infos; m < machine_infos + n; m++) {
2008 _cleanup_free_ char *mname = NULL;
2009 const char *on_state = "", *on_failed = "";
2010 bool circle = false;
2011
2012 if (streq_ptr(m->state, "degraded")) {
2013 on_state = ansi_highlight_red();
2014 circle = true;
2015 } else if (!streq_ptr(m->state, "running")) {
2016 on_state = ansi_highlight_yellow();
2017 circle = true;
2018 }
2019
2020 if (m->n_failed_units > 0)
2021 on_failed = ansi_highlight_red();
2022 else
2023 on_failed = "";
2024
2025 if (!m->state)
2026 state_missing = true;
2027
2028 if (m->is_host)
2029 mname = strjoin(strna(m->name), " (host)");
2030
2031 r = table_add_many(table,
2032 TABLE_STRING, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ",
2033 TABLE_SET_COLOR, on_state,
2034 TABLE_STRING, m->is_host ? mname : strna(m->name),
2035 TABLE_STRING, strna(m->state),
2036 TABLE_SET_COLOR, on_state,
2037 TABLE_UINT32, m->n_failed_units,
2038 TABLE_SET_COLOR, on_failed,
2039 TABLE_UINT32, m->n_jobs);
2040 if (r < 0)
2041 return table_log_add_error(r);
2042 }
2043
2044 r = output_table(table);
2045 if (r < 0)
2046 return r;
2047
2048 if (!arg_no_legend) {
2049 printf("\n");
2050 if (state_missing && geteuid() != 0)
2051 printf("Notice: some information only available to privileged users was not shown.\n");
2052 printf("%u machines listed.\n", n);
2053 }
2054
2055 return 0;
2056 }
2057
2058 static int list_machines(int argc, char *argv[], void *userdata) {
2059 struct machine_info *machine_infos = NULL;
2060 sd_bus *bus;
2061 int r, rc;
2062
2063 r = acquire_bus(BUS_MANAGER, &bus);
2064 if (r < 0)
2065 return r;
2066
2067 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2068 if (r < 0)
2069 return r;
2070
2071 (void) pager_open(arg_pager_flags);
2072
2073 typesafe_qsort(machine_infos, r, compare_machine_info);
2074 rc = output_machines_list(machine_infos, r);
2075 free_machines_list(machine_infos, r);
2076
2077 return rc;
2078 }
2079
2080 static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
2081 char **ret = data;
2082
2083 if (streq(key, "systemd.unit")) {
2084 if (proc_cmdline_value_missing(key, value))
2085 return 0;
2086 if (!unit_name_is_valid(value, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE))
2087 return log_warning("Unit name specified on %s= is not valid, ignoring: %s", key, value);
2088
2089 return free_and_strdup_warn(ret, key);
2090
2091 } else if (!value) {
2092 if (runlevel_to_target(key))
2093 return free_and_strdup_warn(ret, key);
2094 }
2095
2096 return 0;
2097 }
2098
2099 static void emit_cmdline_warning(void) {
2100 if (arg_quiet || arg_root)
2101 /* don't bother checking the commandline if we're operating on a container */
2102 return;
2103
2104 _cleanup_free_ char *override = NULL;
2105 int r;
2106
2107 r = proc_cmdline_parse(parse_proc_cmdline_item, &override, 0);
2108 if (r < 0)
2109 log_debug_errno(r, "Failed to parse kernel command line, ignoring: %m");
2110 if (override)
2111 log_notice("Note: found \"%s\" on the kernel commandline, which overrides the default unit.",
2112 override);
2113 }
2114
2115 static int determine_default(char **ret_name) {
2116 int r;
2117
2118 if (install_client_side()) {
2119 r = unit_file_get_default(arg_scope, arg_root, ret_name);
2120 if (r < 0)
2121 return log_error_errno(r, "Failed to get default target: %m");
2122 return 0;
2123
2124 } else {
2125 sd_bus *bus;
2126 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2127 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2128 const char *name;
2129
2130 r = acquire_bus(BUS_MANAGER, &bus);
2131 if (r < 0)
2132 return r;
2133
2134 r = bus_call_method(bus, bus_systemd_mgr, "GetDefaultTarget", &error, &reply, NULL);
2135 if (r < 0)
2136 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2137
2138 r = sd_bus_message_read(reply, "s", &name);
2139 if (r < 0)
2140 return bus_log_parse_error(r);
2141
2142 return free_and_strdup_warn(ret_name, name);
2143 }
2144 }
2145
2146 static int get_default(int argc, char *argv[], void *userdata) {
2147 _cleanup_free_ char *name = NULL;
2148 int r;
2149
2150 r = determine_default(&name);
2151 if (r < 0)
2152 return r;
2153
2154 printf("%s\n", name);
2155
2156 emit_cmdline_warning();
2157
2158 return 0;
2159 }
2160
2161 static int set_default(int argc, char *argv[], void *userdata) {
2162 _cleanup_free_ char *unit = NULL;
2163 UnitFileChange *changes = NULL;
2164 size_t n_changes = 0;
2165 int r;
2166
2167 assert(argc >= 2);
2168 assert(argv);
2169
2170 r = unit_name_mangle_with_suffix(argv[1], "set-default",
2171 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
2172 ".target", &unit);
2173 if (r < 0)
2174 return log_error_errno(r, "Failed to mangle unit name: %m");
2175
2176 if (install_client_side()) {
2177 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2178 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2179
2180 if (r > 0)
2181 r = 0;
2182 } else {
2183 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2184 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2185 sd_bus *bus;
2186
2187 polkit_agent_open_maybe();
2188
2189 r = acquire_bus(BUS_MANAGER, &bus);
2190 if (r < 0)
2191 return r;
2192
2193 r = bus_call_method(bus, bus_systemd_mgr, "SetDefaultTarget", &error, &reply, "sb", unit, 1);
2194 if (r < 0)
2195 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2196
2197 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2198 if (r < 0)
2199 goto finish;
2200
2201 /* Try to reload if enabled */
2202 if (!arg_no_reload)
2203 r = daemon_reload(argc, argv, userdata);
2204 else
2205 r = 0;
2206 }
2207
2208 emit_cmdline_warning();
2209
2210 if (!arg_quiet) {
2211 _cleanup_free_ char *final = NULL;
2212
2213 r = determine_default(&final);
2214 if (r < 0)
2215 return r;
2216
2217 if (!streq(final, unit))
2218 log_notice("Note: \"%s\" is the default unit (possibly a runtime override).", final);
2219 }
2220
2221 finish:
2222 unit_file_changes_free(changes, n_changes);
2223
2224 return r;
2225 }
2226
2227 static int output_waiting_jobs(sd_bus *bus, Table *table, uint32_t id, const char *method, const char *prefix) {
2228 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2229 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2230 const char *name, *type;
2231 uint32_t other_id;
2232 int r;
2233
2234 assert(bus);
2235
2236 r = bus_call_method(bus, bus_systemd_mgr, method, &error, &reply, "u", id);
2237 if (r < 0)
2238 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2239
2240 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2241 if (r < 0)
2242 return bus_log_parse_error(r);
2243
2244 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0) {
2245 _cleanup_free_ char *row = NULL;
2246 int rc;
2247
2248 if (asprintf(&row, "%s %u (%s/%s)", prefix, other_id, name, type) < 0)
2249 return log_oom();
2250
2251 rc = table_add_many(table,
2252 TABLE_STRING, special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
2253 TABLE_STRING, row,
2254 TABLE_EMPTY,
2255 TABLE_EMPTY);
2256 if (rc < 0)
2257 return table_log_add_error(r);
2258 }
2259
2260 if (r < 0)
2261 return bus_log_parse_error(r);
2262
2263 r = sd_bus_message_exit_container(reply);
2264 if (r < 0)
2265 return bus_log_parse_error(r);
2266
2267 return 0;
2268 }
2269
2270 struct job_info {
2271 uint32_t id;
2272 const char *name, *type, *state;
2273 };
2274
2275 static int output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2276 _cleanup_(table_unrefp) Table *table = NULL;
2277 const struct job_info *j;
2278 const char *on, *off;
2279 int r;
2280
2281 assert(n == 0 || jobs);
2282
2283 if (n == 0) {
2284 if (!arg_no_legend) {
2285 on = ansi_highlight_green();
2286 off = ansi_normal();
2287
2288 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2289 }
2290 return 0;
2291 }
2292
2293 (void) pager_open(arg_pager_flags);
2294
2295 table = table_new("job", "unit", "type", "state");
2296 if (!table)
2297 return log_oom();
2298
2299 table_set_header(table, !arg_no_legend);
2300 if (arg_full)
2301 table_set_width(table, 0);
2302
2303 (void) table_set_empty_string(table, "-");
2304
2305 for (j = jobs; j < jobs + n; j++) {
2306 if (streq(j->state, "running"))
2307 on = ansi_highlight();
2308 else
2309 on = "";
2310
2311 r = table_add_many(table,
2312 TABLE_UINT, j->id,
2313 TABLE_STRING, j->name,
2314 TABLE_SET_COLOR, on,
2315 TABLE_STRING, j->type,
2316 TABLE_STRING, j->state,
2317 TABLE_SET_COLOR, on);
2318 if (r < 0)
2319 return table_log_add_error(r);
2320
2321 if (arg_jobs_after)
2322 output_waiting_jobs(bus, table, j->id, "GetJobAfter", "\twaiting for job");
2323 if (arg_jobs_before)
2324 output_waiting_jobs(bus, table, j->id, "GetJobBefore", "\tblocking job");
2325 }
2326
2327 r = table_print(table, NULL);
2328 if (r < 0)
2329 return log_error_errno(r, "Failed to print the table: %m");
2330
2331 if (!arg_no_legend) {
2332 on = ansi_highlight();
2333 off = ansi_normal();
2334
2335 printf("\n%s%u jobs listed%s.\n", on, n, off);
2336 }
2337
2338 return 0;
2339 }
2340
2341 static bool output_show_job(struct job_info *job, char **patterns) {
2342 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2343 }
2344
2345 static int list_jobs(int argc, char *argv[], void *userdata) {
2346 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2347 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2348 _cleanup_free_ struct job_info *jobs = NULL;
2349 const char *name, *type, *state;
2350 bool skipped = false;
2351 size_t size = 0;
2352 unsigned c = 0;
2353 sd_bus *bus;
2354 uint32_t id;
2355 int r;
2356
2357 r = acquire_bus(BUS_MANAGER, &bus);
2358 if (r < 0)
2359 return r;
2360
2361 r = bus_call_method(bus, bus_systemd_mgr, "ListJobs", &error, &reply, NULL);
2362 if (r < 0)
2363 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2364
2365 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2366 if (r < 0)
2367 return bus_log_parse_error(r);
2368
2369 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2370 struct job_info job = { id, name, type, state };
2371
2372 if (!output_show_job(&job, strv_skip(argv, 1))) {
2373 skipped = true;
2374 continue;
2375 }
2376
2377 if (!GREEDY_REALLOC(jobs, size, c + 1))
2378 return log_oom();
2379
2380 jobs[c++] = job;
2381 }
2382 if (r < 0)
2383 return bus_log_parse_error(r);
2384
2385 r = sd_bus_message_exit_container(reply);
2386 if (r < 0)
2387 return bus_log_parse_error(r);
2388
2389 (void) pager_open(arg_pager_flags);
2390
2391 return output_jobs_list(bus, jobs, c, skipped);
2392 }
2393
2394 static int cancel_job(int argc, char *argv[], void *userdata) {
2395 sd_bus *bus;
2396 char **name;
2397 int r = 0;
2398
2399 if (argc <= 1)
2400 return trivial_method(argc, argv, userdata);
2401
2402 r = acquire_bus(BUS_MANAGER, &bus);
2403 if (r < 0)
2404 return r;
2405
2406 polkit_agent_open_maybe();
2407
2408 STRV_FOREACH(name, strv_skip(argv, 1)) {
2409 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2410 uint32_t id;
2411 int q;
2412
2413 q = safe_atou32(*name, &id);
2414 if (q < 0)
2415 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2416
2417 q = bus_call_method(bus, bus_systemd_mgr, "CancelJob", &error, NULL, "u", id);
2418 if (q < 0) {
2419 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2420 if (r == 0)
2421 r = q;
2422 }
2423 }
2424
2425 return r;
2426 }
2427
2428 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2429 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2430 const char *path;
2431 int b, r;
2432
2433 /* We ignore all errors here, since this is used to show a
2434 * warning only */
2435
2436 /* We don't use unit_dbus_path_from_name() directly since we
2437 * don't want to load the unit if it isn't loaded. */
2438
2439 r = bus_call_method(bus, bus_systemd_mgr, "GetUnit", NULL, &reply, "s", unit);
2440 if (r < 0)
2441 return r;
2442
2443 r = sd_bus_message_read(reply, "o", &path);
2444 if (r < 0)
2445 return r;
2446
2447 r = sd_bus_get_property_trivial(
2448 bus,
2449 "org.freedesktop.systemd1",
2450 path,
2451 "org.freedesktop.systemd1.Unit",
2452 "NeedDaemonReload",
2453 NULL,
2454 'b', &b);
2455 if (r < 0)
2456 return r;
2457
2458 return b;
2459 }
2460
2461 static void warn_unit_file_changed(const char *name) {
2462 assert(name);
2463
2464 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.",
2465 ansi_highlight_red(),
2466 ansi_normal(),
2467 name,
2468 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2469 }
2470
2471 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2472 char **p;
2473
2474 assert(lp);
2475 assert(unit_name);
2476
2477 STRV_FOREACH(p, lp->search_path) {
2478 _cleanup_free_ char *path = NULL, *lpath = NULL;
2479 int r;
2480
2481 path = path_join(*p, unit_name);
2482 if (!path)
2483 return log_oom();
2484
2485 r = chase_symlinks(path, arg_root, 0, &lpath, NULL);
2486 if (r == -ENOENT)
2487 continue;
2488 if (r == -ENOMEM)
2489 return log_oom();
2490 if (r < 0)
2491 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2492
2493 if (ret_unit_path)
2494 *ret_unit_path = TAKE_PTR(lpath);
2495
2496 return 1;
2497 }
2498
2499 if (ret_unit_path)
2500 *ret_unit_path = NULL;
2501
2502 return 0;
2503 }
2504
2505 static int unit_find_template_path(
2506 const char *unit_name,
2507 LookupPaths *lp,
2508 char **ret_fragment_path,
2509 char **ret_template) {
2510
2511 _cleanup_free_ char *t = NULL, *f = NULL;
2512 int r;
2513
2514 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2515
2516 r = unit_file_find_path(lp, unit_name, &f);
2517 if (r < 0)
2518 return r;
2519 if (r > 0) {
2520 if (ret_fragment_path)
2521 *ret_fragment_path = TAKE_PTR(f);
2522 if (ret_template)
2523 *ret_template = NULL;
2524 return r; /* found a real unit */
2525 }
2526
2527 r = unit_name_template(unit_name, &t);
2528 if (r == -EINVAL) {
2529 if (ret_fragment_path)
2530 *ret_fragment_path = NULL;
2531 if (ret_template)
2532 *ret_template = NULL;
2533
2534 return 0; /* not a template, does not exist */
2535 }
2536 if (r < 0)
2537 return log_error_errno(r, "Failed to determine template name: %m");
2538
2539 r = unit_file_find_path(lp, t, ret_fragment_path);
2540 if (r < 0)
2541 return r;
2542
2543 if (ret_template)
2544 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2545
2546 return r;
2547 }
2548
2549 static int unit_find_paths(
2550 sd_bus *bus,
2551 const char *unit_name,
2552 LookupPaths *lp,
2553 bool force_client_side,
2554 char **ret_fragment_path,
2555 char ***ret_dropin_paths) {
2556
2557 _cleanup_strv_free_ char **dropins = NULL;
2558 _cleanup_free_ char *path = NULL;
2559 int r;
2560
2561 /**
2562 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2563 * found, and sets:
2564 * - the path to the unit in *ret_frament_path, if it exists on disk,
2565 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2566 * were found.
2567 *
2568 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2569 * some reason (the latter only applies if we are going through the service manager).
2570 */
2571
2572 assert(unit_name);
2573 assert(ret_fragment_path);
2574 assert(lp);
2575
2576 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2577 if (!force_client_side &&
2578 !install_client_side() &&
2579 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2580 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2581 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2582
2583 dbus_path = unit_dbus_path_from_name(unit_name);
2584 if (!dbus_path)
2585 return log_oom();
2586
2587 r = sd_bus_get_property_string(
2588 bus,
2589 "org.freedesktop.systemd1",
2590 dbus_path,
2591 "org.freedesktop.systemd1.Unit",
2592 "LoadState",
2593 &error,
2594 &load_state);
2595 if (r < 0)
2596 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2597
2598 if (streq(load_state, "masked"))
2599 return -ERFKILL;
2600 if (streq(load_state, "not-found")) {
2601 r = 0;
2602 goto not_found;
2603 }
2604 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2605 return -EKEYREJECTED;
2606
2607 r = sd_bus_get_property_string(
2608 bus,
2609 "org.freedesktop.systemd1",
2610 dbus_path,
2611 "org.freedesktop.systemd1.Unit",
2612 "FragmentPath",
2613 &error,
2614 &path);
2615 if (r < 0)
2616 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2617
2618 if (ret_dropin_paths) {
2619 r = sd_bus_get_property_strv(
2620 bus,
2621 "org.freedesktop.systemd1",
2622 dbus_path,
2623 "org.freedesktop.systemd1.Unit",
2624 "DropInPaths",
2625 &error,
2626 &dropins);
2627 if (r < 0)
2628 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2629 }
2630 } else {
2631 const char *_path;
2632 _cleanup_set_free_free_ Set *names = NULL;
2633
2634 if (!cached_name_map) {
2635 r = unit_file_build_name_map(lp, NULL, &cached_id_map, &cached_name_map, NULL);
2636 if (r < 0)
2637 return r;
2638 }
2639
2640 r = unit_file_find_fragment(cached_id_map, cached_name_map, unit_name, &_path, &names);
2641 if (r < 0)
2642 return r;
2643
2644 if (_path) {
2645 path = strdup(_path);
2646 if (!path)
2647 return log_oom();
2648 }
2649
2650 if (ret_dropin_paths) {
2651 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2652 ".d", ".conf",
2653 NULL, names, &dropins);
2654 if (r < 0)
2655 return r;
2656 }
2657 }
2658
2659 if (isempty(path)) {
2660 *ret_fragment_path = NULL;
2661 r = 0;
2662 } else {
2663 *ret_fragment_path = TAKE_PTR(path);
2664 r = 1;
2665 }
2666
2667 if (ret_dropin_paths) {
2668 if (!strv_isempty(dropins)) {
2669 *ret_dropin_paths = TAKE_PTR(dropins);
2670 r = 1;
2671 } else
2672 *ret_dropin_paths = NULL;
2673 }
2674
2675 not_found:
2676 if (r == 0 && !arg_force)
2677 log_error("No files found for %s.", unit_name);
2678
2679 return r;
2680 }
2681
2682 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2683 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2684 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2685 UnitActiveState state;
2686 int r;
2687
2688 assert(name);
2689 assert(active_state);
2690
2691 dbus_path = unit_dbus_path_from_name(name);
2692 if (!dbus_path)
2693 return log_oom();
2694
2695 r = sd_bus_get_property_string(
2696 bus,
2697 "org.freedesktop.systemd1",
2698 dbus_path,
2699 "org.freedesktop.systemd1.Unit",
2700 "ActiveState",
2701 &error,
2702 &buf);
2703 if (r < 0)
2704 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2705
2706 state = unit_active_state_from_string(buf);
2707 if (state < 0)
2708 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2709
2710 *active_state = state;
2711 return 0;
2712 }
2713
2714 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2715 _cleanup_free_ char *load_state = NULL;
2716 int r;
2717
2718 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2719 _cleanup_free_ char *path = NULL;
2720
2721 /* A template cannot be loaded, but it can be still masked, so
2722 * we need to use a different method. */
2723
2724 r = unit_file_find_path(lp, name, &path);
2725 if (r < 0)
2726 return r;
2727 if (r == 0)
2728 return false;
2729 return null_or_empty_path(path);
2730 }
2731
2732 r = unit_load_state(bus, name, &load_state);
2733 if (r < 0)
2734 return r;
2735
2736 return streq(load_state, "masked");
2737 }
2738
2739 static int check_triggering_units(sd_bus *bus, const char *name) {
2740 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2741 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2742 _cleanup_strv_free_ char **triggered_by = NULL;
2743 bool print_warning_label = true;
2744 UnitActiveState active_state;
2745 char **i;
2746 int r;
2747
2748 r = unit_name_mangle(name, 0, &n);
2749 if (r < 0)
2750 return log_error_errno(r, "Failed to mangle unit name: %m");
2751
2752 r = unit_load_state(bus, name, &load_state);
2753 if (r < 0)
2754 return r;
2755
2756 if (streq(load_state, "masked"))
2757 return 0;
2758
2759 dbus_path = unit_dbus_path_from_name(n);
2760 if (!dbus_path)
2761 return log_oom();
2762
2763 r = sd_bus_get_property_strv(
2764 bus,
2765 "org.freedesktop.systemd1",
2766 dbus_path,
2767 "org.freedesktop.systemd1.Unit",
2768 "TriggeredBy",
2769 &error,
2770 &triggered_by);
2771 if (r < 0)
2772 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2773
2774 STRV_FOREACH(i, triggered_by) {
2775 r = get_state_one_unit(bus, *i, &active_state);
2776 if (r < 0)
2777 return r;
2778
2779 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2780 continue;
2781
2782 if (print_warning_label) {
2783 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2784 print_warning_label = false;
2785 }
2786
2787 log_warning(" %s", *i);
2788 }
2789
2790 return 0;
2791 }
2792
2793 static const struct {
2794 const char *verb; /* systemctl verb */
2795 const char *method; /* Name of the specific D-Bus method */
2796 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2797 } unit_actions[] = {
2798 { "start", "StartUnit", "start" },
2799 { "stop", "StopUnit", "stop" },
2800 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2801 { "reload", "ReloadUnit", "reload" },
2802 { "restart", "RestartUnit", "restart" },
2803 { "try-restart", "TryRestartUnit", "try-restart" },
2804 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2805 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2806 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2807 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2808 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2809 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2810 };
2811
2812 static const char *verb_to_method(const char *verb) {
2813 size_t i;
2814
2815 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2816 if (streq_ptr(unit_actions[i].verb, verb))
2817 return unit_actions[i].method;
2818
2819 return "StartUnit";
2820 }
2821
2822 static const char *verb_to_job_type(const char *verb) {
2823 size_t i;
2824
2825 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2826 if (streq_ptr(unit_actions[i].verb, verb))
2827 return unit_actions[i].job_type;
2828
2829 return "start";
2830 }
2831
2832 static int start_unit_one(
2833 sd_bus *bus,
2834 const char *method, /* When using classic per-job bus methods */
2835 const char *job_type, /* When using new-style EnqueueUnitJob() */
2836 const char *name,
2837 const char *mode,
2838 sd_bus_error *error,
2839 BusWaitForJobs *w,
2840 BusWaitForUnits *wu) {
2841
2842 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2843 const char *path;
2844 bool done = false;
2845 int r;
2846
2847 assert(method);
2848 assert(name);
2849 assert(mode);
2850 assert(error);
2851
2852 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2853 arg_dry_run ? "Would execute" : "Executing",
2854 method, name, mode);
2855
2856 if (arg_dry_run)
2857 return 0;
2858
2859 if (arg_show_transaction) {
2860 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2861
2862 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2863 r = bus_call_method(
2864 bus,
2865 bus_systemd_mgr,
2866 "EnqueueUnitJob",
2867 &enqueue_error,
2868 &reply,
2869 "sss",
2870 name, job_type, mode);
2871 if (r < 0) {
2872 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2873 (void) sd_bus_error_move(error, &enqueue_error);
2874 goto fail;
2875 }
2876
2877 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2878 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2879 } else {
2880 const char *u, *jt;
2881 uint32_t id;
2882
2883 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2884 if (r < 0)
2885 return bus_log_parse_error(r);
2886
2887 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2888
2889 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2890 if (r < 0)
2891 return bus_log_parse_error(r);
2892 for (;;) {
2893 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2894 if (r < 0)
2895 return bus_log_parse_error(r);
2896 if (r == 0)
2897 break;
2898
2899 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2900 }
2901
2902 r = sd_bus_message_exit_container(reply);
2903 if (r < 0)
2904 return bus_log_parse_error(r);
2905
2906 done = true;
2907 }
2908 }
2909
2910 if (!done) {
2911 r = bus_call_method(bus, bus_systemd_mgr, method, error, &reply, "ss", name, mode);
2912 if (r < 0)
2913 goto fail;
2914
2915 r = sd_bus_message_read(reply, "o", &path);
2916 if (r < 0)
2917 return bus_log_parse_error(r);
2918 }
2919
2920 if (need_daemon_reload(bus, name) > 0)
2921 warn_unit_file_changed(name);
2922
2923 if (w) {
2924 log_debug("Adding %s to the set", path);
2925 r = bus_wait_for_jobs_add(w, path);
2926 if (r < 0)
2927 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2928 }
2929
2930 if (wu) {
2931 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2932 if (r < 0)
2933 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2934 }
2935
2936 return 0;
2937
2938 fail:
2939 /* There's always a fallback possible for legacy actions. */
2940 if (arg_action != ACTION_SYSTEMCTL)
2941 return r;
2942
2943 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2944
2945 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2946 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2947 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2948 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2949 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2950 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2951 name[0] == '-' ? " --" : "",
2952 name);
2953
2954 return r;
2955 }
2956
2957 static const struct {
2958 const char *target;
2959 const char *verb;
2960 const char *mode;
2961 } action_table[_ACTION_MAX] = {
2962 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2963 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2964 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2965 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2966 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2967 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2968 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2969 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
2970 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
2971 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
2972 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
2973 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
2974 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
2975 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
2976 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
2977 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
2978 };
2979
2980 static enum action verb_to_action(const char *verb) {
2981 enum action i;
2982
2983 for (i = 0; i < _ACTION_MAX; i++)
2984 if (streq_ptr(action_table[i].verb, verb))
2985 return i;
2986
2987 return _ACTION_INVALID;
2988 }
2989
2990 static const char** make_extra_args(const char *extra_args[static 4]) {
2991 size_t n = 0;
2992
2993 assert(extra_args);
2994
2995 if (arg_scope != UNIT_FILE_SYSTEM)
2996 extra_args[n++] = "--user";
2997
2998 if (arg_transport == BUS_TRANSPORT_REMOTE) {
2999 extra_args[n++] = "-H";
3000 extra_args[n++] = arg_host;
3001 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3002 extra_args[n++] = "-M";
3003 extra_args[n++] = arg_host;
3004 } else
3005 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3006
3007 extra_args[n] = NULL;
3008 return extra_args;
3009 }
3010
3011 static int start_unit(int argc, char *argv[], void *userdata) {
3012 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3013 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3014 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3015 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3016 _cleanup_strv_free_ char **names = NULL;
3017 int r, ret = EXIT_SUCCESS;
3018 sd_bus *bus;
3019 char **name;
3020
3021 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3022 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3023 "--wait may only be used with the 'start' or 'restart' commands.");
3024
3025 /* we cannot do sender tracking on the private bus, so we need the full
3026 * one for RefUnit to implement --wait */
3027 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3028 if (r < 0)
3029 return r;
3030
3031 ask_password_agent_open_maybe();
3032 polkit_agent_open_maybe();
3033
3034 if (arg_action == ACTION_SYSTEMCTL) {
3035 enum action action;
3036
3037 action = verb_to_action(argv[0]);
3038
3039 if (action != _ACTION_INVALID) {
3040 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3041 method = "StartUnit";
3042 job_type = "start";
3043 mode = action_table[action].mode;
3044 one_name = action_table[action].target;
3045 } else {
3046 if (streq(argv[0], "isolate")) {
3047 /* A "systemctl isolate <unit1> <unit2> …" command */
3048 method = "StartUnit";
3049 job_type = "start";
3050 mode = "isolate";
3051 suffix = ".target";
3052 } else {
3053 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3054 method = verb_to_method(argv[0]);
3055 job_type = verb_to_job_type(argv[0]);
3056 mode = arg_job_mode;
3057 }
3058 one_name = NULL;
3059 }
3060 } else {
3061 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3062 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3063 assert(action_table[arg_action].target);
3064 assert(action_table[arg_action].mode);
3065
3066 method = "StartUnit";
3067 job_type = "start";
3068 mode = action_table[arg_action].mode;
3069 one_name = action_table[arg_action].target;
3070 }
3071
3072 if (one_name) {
3073 names = strv_new(one_name);
3074 if (!names)
3075 return log_oom();
3076 } else {
3077 bool expanded;
3078
3079 r = expand_names(bus, strv_skip(argv, 1), suffix, &names, &expanded);
3080 if (r < 0)
3081 return log_error_errno(r, "Failed to expand names: %m");
3082
3083 if (!arg_all && expanded && streq(job_type, "start") && !arg_quiet) {
3084 log_warning("Warning: %ssystemctl start called with a glob pattern.%s",
3085 ansi_highlight_red(),
3086 ansi_normal());
3087 log_notice("Hint: unit globs expand to loaded units, so start will usually have no effect.\n"
3088 " Passing --all will also load units which are pulled in by other units.\n"
3089 " See systemctl(1) for more details.");
3090 }
3091 }
3092
3093 if (!arg_no_block) {
3094 r = bus_wait_for_jobs_new(bus, &w);
3095 if (r < 0)
3096 return log_error_errno(r, "Could not watch jobs: %m");
3097 }
3098
3099 if (arg_wait) {
3100 r = bus_call_method_async(bus, NULL, bus_systemd_mgr, "Subscribe", NULL, NULL, NULL);
3101 if (r < 0)
3102 return log_error_errno(r, "Failed to enable subscription: %m");
3103
3104 r = bus_wait_for_units_new(bus, &wu);
3105 if (r < 0)
3106 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3107 }
3108
3109 STRV_FOREACH(name, names) {
3110 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3111
3112 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3113 if (ret == EXIT_SUCCESS && r < 0)
3114 ret = translate_bus_error_to_exit_status(r, &error);
3115
3116 if (r >= 0 && streq(method, "StopUnit")) {
3117 r = strv_push(&stopped_units, *name);
3118 if (r < 0)
3119 return log_oom();
3120 }
3121 }
3122
3123 if (!arg_no_block) {
3124 const char* extra_args[4];
3125
3126 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3127 if (r < 0)
3128 return r;
3129
3130 /* When stopping units, warn if they can still be triggered by
3131 * another active unit (socket, path, timer) */
3132 if (!arg_quiet)
3133 STRV_FOREACH(name, stopped_units)
3134 (void) check_triggering_units(bus, *name);
3135 }
3136
3137 if (arg_wait) {
3138 r = bus_wait_for_units_run(wu);
3139 if (r < 0)
3140 return log_error_errno(r, "Failed to wait for units: %m");
3141 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3142 ret = EXIT_FAILURE;
3143 }
3144
3145 return ret;
3146 }
3147
3148 #if ENABLE_LOGIND
3149 static int logind_set_wall_message(void) {
3150 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3151 sd_bus *bus;
3152 _cleanup_free_ char *m = NULL;
3153 int r;
3154
3155 r = acquire_bus(BUS_FULL, &bus);
3156 if (r < 0)
3157 return r;
3158
3159 m = strv_join(arg_wall, " ");
3160 if (!m)
3161 return log_oom();
3162
3163 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3164 if (arg_dry_run)
3165 return 0;
3166
3167 r = bus_call_method(bus, bus_login_mgr, "SetWallMessage", &error, NULL, "sb", m, !arg_no_wall);
3168 if (r < 0)
3169 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3170 return 0;
3171 }
3172 #endif
3173
3174 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3175 static int logind_reboot(enum action a) {
3176 #if ENABLE_LOGIND
3177 static const struct {
3178 const char *method;
3179 const char *description;
3180 } actions[_ACTION_MAX] = {
3181 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3182 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3183 [ACTION_HALT] = { "Halt", "halt system" },
3184 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3185 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3186 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3187 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3188 };
3189
3190 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3191 sd_bus *bus;
3192 int r;
3193
3194 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3195 return -EINVAL;
3196
3197 r = acquire_bus(BUS_FULL, &bus);
3198 if (r < 0)
3199 return r;
3200
3201 polkit_agent_open_maybe();
3202 (void) logind_set_wall_message();
3203
3204 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3205
3206 if (arg_dry_run)
3207 return 0;
3208
3209 r = bus_call_method(bus, bus_login_mgr, actions[a].method, &error, NULL, "b", arg_ask_password);
3210 if (r < 0)
3211 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3212
3213 return 0;
3214 #else
3215 return -ENOSYS;
3216 #endif
3217 }
3218
3219 static int logind_check_inhibitors(enum action a) {
3220 #if ENABLE_LOGIND
3221 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3222 _cleanup_strv_free_ char **sessions = NULL;
3223 const char *what, *who, *why, *mode;
3224 uint32_t uid, pid;
3225 sd_bus *bus;
3226 unsigned c = 0;
3227 char **s;
3228 int r;
3229
3230 if (arg_ignore_inhibitors || arg_force > 0)
3231 return 0;
3232
3233 if (arg_when > 0)
3234 return 0;
3235
3236 if (geteuid() == 0)
3237 return 0;
3238
3239 if (!on_tty())
3240 return 0;
3241
3242 if (arg_transport != BUS_TRANSPORT_LOCAL)
3243 return 0;
3244
3245 r = acquire_bus(BUS_FULL, &bus);
3246 if (r < 0)
3247 return r;
3248
3249 r = bus_call_method(bus, bus_login_mgr, "ListInhibitors", NULL, &reply, NULL);
3250 if (r < 0)
3251 /* If logind is not around, then there are no inhibitors... */
3252 return 0;
3253
3254 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3255 if (r < 0)
3256 return bus_log_parse_error(r);
3257
3258 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3259 _cleanup_free_ char *comm = NULL, *user = NULL;
3260 _cleanup_strv_free_ char **sv = NULL;
3261
3262 if (!streq(mode, "block"))
3263 continue;
3264
3265 sv = strv_split(what, ":");
3266 if (!sv)
3267 return log_oom();
3268
3269 if (!pid_is_valid((pid_t) pid))
3270 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3271
3272 if (!strv_contains(sv,
3273 IN_SET(a,
3274 ACTION_HALT,
3275 ACTION_POWEROFF,
3276 ACTION_REBOOT,
3277 ACTION_KEXEC) ? "shutdown" : "sleep"))
3278 continue;
3279
3280 get_process_comm(pid, &comm);
3281 user = uid_to_name(uid);
3282
3283 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3284 who, (pid_t) pid, strna(comm), strna(user), why);
3285
3286 c++;
3287 }
3288 if (r < 0)
3289 return bus_log_parse_error(r);
3290
3291 r = sd_bus_message_exit_container(reply);
3292 if (r < 0)
3293 return bus_log_parse_error(r);
3294
3295 /* Check for current sessions */
3296 sd_get_sessions(&sessions);
3297 STRV_FOREACH(s, sessions) {
3298 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3299
3300 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3301 continue;
3302
3303 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3304 continue;
3305
3306 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3307 continue;
3308
3309 sd_session_get_tty(*s, &tty);
3310 sd_session_get_seat(*s, &seat);
3311 sd_session_get_service(*s, &service);
3312 user = uid_to_name(uid);
3313
3314 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3315 c++;
3316 }
3317
3318 if (c <= 0)
3319 return 0;
3320
3321 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3322 action_table[a].verb);
3323
3324 return -EPERM;
3325 #else
3326 return 0;
3327 #endif
3328 }
3329
3330 static int prepare_firmware_setup(void) {
3331
3332 if (!arg_firmware_setup)
3333 return 0;
3334
3335 #if ENABLE_LOGIND
3336 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3337 sd_bus *bus;
3338 int r;
3339
3340 r = acquire_bus(BUS_FULL, &bus);
3341 if (r < 0)
3342 return r;
3343
3344 r = bus_call_method(bus, bus_login_mgr, "SetRebootToFirmwareSetup", &error, NULL, "b", true);
3345 if (r < 0)
3346 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3347
3348 return 0;
3349 #else
3350 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3351 "Booting into firmware setup not supported.");
3352 #endif
3353 }
3354
3355 static int prepare_boot_loader_menu(void) {
3356
3357 if (arg_boot_loader_menu == USEC_INFINITY)
3358 return 0;
3359
3360 #if ENABLE_LOGIND
3361 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3362 sd_bus *bus;
3363 int r;
3364
3365 r = acquire_bus(BUS_FULL, &bus);
3366 if (r < 0)
3367 return r;
3368
3369 r = bus_call_method(bus, bus_login_mgr, "SetRebootToBootLoaderMenu", &error, NULL, "t", arg_boot_loader_menu);
3370 if (r < 0)
3371 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3372
3373 return 0;
3374 #else
3375 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3376 "Booting into boot loader menu not supported.");
3377 #endif
3378 }
3379
3380 static int prepare_boot_loader_entry(void) {
3381
3382 if (!arg_boot_loader_entry)
3383 return 0;
3384
3385 #if ENABLE_LOGIND
3386 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3387 sd_bus *bus;
3388 int r;
3389
3390 r = acquire_bus(BUS_FULL, &bus);
3391 if (r < 0)
3392 return r;
3393
3394 r = bus_call_method(bus, bus_login_mgr, "SetRebootToBootLoaderEntry", &error, NULL, "s", arg_boot_loader_entry);
3395 if (r < 0)
3396 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3397
3398 return 0;
3399 #else
3400 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3401 "Booting into boot loader entry not supported.");
3402 #endif
3403 }
3404
3405 static int load_kexec_kernel(void) {
3406 _cleanup_(boot_config_free) BootConfig config = {};
3407 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3408 const BootEntry *e;
3409 pid_t pid;
3410 int r;
3411
3412 if (kexec_loaded()) {
3413 log_debug("Kexec kernel already loaded.");
3414 return 0;
3415 }
3416
3417 if (access(KEXEC, X_OK) < 0)
3418 return log_error_errno(errno, KEXEC" is not available: %m");
3419
3420 r = boot_entries_load_config_auto(NULL, NULL, &config);
3421 if (r == -ENOKEY)
3422 /* The call doesn't log about ENOKEY, let's do so here. */
3423 return log_error_errno(r,
3424 "No kexec kernel loaded and autodetection failed.\n%s",
3425 is_efi_boot()
3426 ? "Cannot automatically load kernel: ESP partition mount point not found."
3427 : "Automatic loading works only on systems booted with EFI.");
3428 if (r < 0)
3429 return r;
3430
3431 e = boot_config_default_entry(&config);
3432 if (!e)
3433 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3434 "No boot loader entry suitable as default, refusing to guess.");
3435
3436 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3437
3438 if (!e->kernel)
3439 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3440 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3441 if (strv_length(e->initrd) > 1)
3442 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3443 "Boot entry specifies multiple initrds, which is not supported currently.");
3444
3445 kernel = path_join(e->root, e->kernel);
3446 if (!kernel)
3447 return log_oom();
3448
3449 if (!strv_isempty(e->initrd)) {
3450 initrd = path_join(e->root, e->initrd[0]);
3451 if (!initrd)
3452 return log_oom();
3453 }
3454
3455 options = strv_join(e->options, " ");
3456 if (!options)
3457 return log_oom();
3458
3459 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3460 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3461 arg_dry_run ? "Would run" : "Running",
3462 kernel,
3463 options,
3464 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3465 if (arg_dry_run)
3466 return 0;
3467
3468 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3469 if (r < 0)
3470 return r;
3471 if (r == 0) {
3472 const char* const args[] = {
3473 KEXEC,
3474 "--load", kernel,
3475 "--append", options,
3476 initrd ? "--initrd" : NULL, initrd,
3477 NULL
3478 };
3479
3480 /* Child */
3481 execv(args[0], (char * const *) args);
3482 _exit(EXIT_FAILURE);
3483 }
3484
3485 return 0;
3486 }
3487
3488 static int set_exit_code(uint8_t code) {
3489 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3490 sd_bus *bus;
3491 int r;
3492
3493 r = acquire_bus(BUS_MANAGER, &bus);
3494 if (r < 0)
3495 return r;
3496
3497 r = bus_call_method(bus, bus_systemd_mgr, "SetExitCode", &error, NULL, "y", code);
3498 if (r < 0)
3499 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3500
3501 return 0;
3502 }
3503
3504 static int start_special(int argc, char *argv[], void *userdata) {
3505 enum action a;
3506 int r;
3507 bool termination_action; /* an action that terminates the manager,
3508 * can be performed also by signal. */
3509
3510 assert(argv);
3511
3512 a = verb_to_action(argv[0]);
3513
3514 r = logind_check_inhibitors(a);
3515 if (r < 0)
3516 return r;
3517
3518 if (arg_force >= 2) {
3519 r = must_be_root();
3520 if (r < 0)
3521 return r;
3522 }
3523
3524 r = prepare_firmware_setup();
3525 if (r < 0)
3526 return r;
3527
3528 r = prepare_boot_loader_menu();
3529 if (r < 0)
3530 return r;
3531
3532 r = prepare_boot_loader_entry();
3533 if (r < 0)
3534 return r;
3535
3536 if (a == ACTION_REBOOT) {
3537 const char *arg = NULL;
3538
3539 if (argc > 1) {
3540 if (arg_reboot_argument)
3541 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Both --reboot-argument= and positional argument passed to reboot command, refusing.");
3542
3543 log_notice("Positional argument to reboot command is deprecated, please use --reboot-argument= instead. Accepting anyway.");
3544 arg = argv[1];
3545 } else
3546 arg = arg_reboot_argument;
3547
3548 if (arg) {
3549 r = update_reboot_parameter_and_warn(arg, false);
3550 if (r < 0)
3551 return r;
3552 }
3553
3554 } else if (a == ACTION_KEXEC) {
3555 r = load_kexec_kernel();
3556 if (r < 0 && arg_force >= 1)
3557 log_notice("Failed to load kexec kernel, continuing without.");
3558 else if (r < 0)
3559 return r;
3560
3561 } else if (a == ACTION_EXIT && argc > 1) {
3562 uint8_t code;
3563
3564 /* If the exit code is not given on the command line,
3565 * don't reset it to zero: just keep it as it might
3566 * have been set previously. */
3567
3568 r = safe_atou8(argv[1], &code);
3569 if (r < 0)
3570 return log_error_errno(r, "Invalid exit code.");
3571
3572 r = set_exit_code(code);
3573 if (r < 0)
3574 return r;
3575 }
3576
3577 termination_action = IN_SET(a,
3578 ACTION_HALT,
3579 ACTION_POWEROFF,
3580 ACTION_REBOOT);
3581 if (termination_action && arg_force >= 2)
3582 return halt_now(a);
3583
3584 if (arg_force >= 1 &&
3585 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3586 r = trivial_method(argc, argv, userdata);
3587 else {
3588 /* First try logind, to allow authentication with polkit */
3589 if (IN_SET(a,
3590 ACTION_POWEROFF,
3591 ACTION_REBOOT,
3592 ACTION_HALT,
3593 ACTION_SUSPEND,
3594 ACTION_HIBERNATE,
3595 ACTION_HYBRID_SLEEP,
3596 ACTION_SUSPEND_THEN_HIBERNATE)) {
3597
3598 r = logind_reboot(a);
3599 if (r >= 0)
3600 return r;
3601 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3602 /* requested operation is not supported or already in progress */
3603 return r;
3604
3605 /* On all other errors, try low-level operation. In order to minimize the difference between
3606 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3607 * logind's shutdown operations are always non-blocking. */
3608
3609 arg_no_block = true;
3610
3611 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3612 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3613 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3614 arg_no_block = true;
3615
3616 r = start_unit(argc, argv, userdata);
3617 }
3618
3619 if (termination_action && arg_force < 2 &&
3620 IN_SET(r, -ENOENT, -ETIMEDOUT))
3621 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3622
3623 return r;
3624 }
3625
3626 static int start_system_special(int argc, char *argv[], void *userdata) {
3627 /* Like start_special above, but raises an error when running in user mode */
3628
3629 if (arg_scope != UNIT_FILE_SYSTEM)
3630 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3631 "Bad action for %s mode.",
3632 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3633
3634 return start_special(argc, argv, userdata);
3635 }
3636
3637 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3638 _cleanup_strv_free_ char **names = NULL;
3639 UnitActiveState active_state;
3640 sd_bus *bus;
3641 char **name;
3642 int r, i;
3643 bool found = false;
3644
3645 r = acquire_bus(BUS_MANAGER, &bus);
3646 if (r < 0)
3647 return r;
3648
3649 r = expand_names(bus, args, NULL, &names, NULL);
3650 if (r < 0)
3651 return log_error_errno(r, "Failed to expand names: %m");
3652
3653 STRV_FOREACH(name, names) {
3654 r = get_state_one_unit(bus, *name, &active_state);
3655 if (r < 0)
3656 return r;
3657
3658 if (!arg_quiet)
3659 puts(unit_active_state_to_string(active_state));
3660
3661 for (i = 0; i < nb_states; ++i)
3662 if (good_states[i] == active_state)
3663 found = true;
3664 }
3665
3666 /* use the given return code for the case that we won't find
3667 * any unit which matches the list */
3668 return found ? 0 : code;
3669 }
3670
3671 static int check_unit_active(int argc, char *argv[], void *userdata) {
3672 static const UnitActiveState states[] = {
3673 UNIT_ACTIVE,
3674 UNIT_RELOADING,
3675 };
3676
3677 /* According to LSB: 3, "program is not running" */
3678 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3679 }
3680
3681 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3682 static const UnitActiveState states[] = {
3683 UNIT_FAILED,
3684 };
3685
3686 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3687 }
3688
3689 static int kill_unit(int argc, char *argv[], void *userdata) {
3690 _cleanup_strv_free_ char **names = NULL;
3691 char *kill_who = NULL, **name;
3692 sd_bus *bus;
3693 int r, q;
3694
3695 r = acquire_bus(BUS_MANAGER, &bus);
3696 if (r < 0)
3697 return r;
3698
3699 polkit_agent_open_maybe();
3700
3701 if (!arg_kill_who)
3702 arg_kill_who = "all";
3703
3704 /* --fail was specified */
3705 if (streq(arg_job_mode, "fail"))
3706 kill_who = strjoina(arg_kill_who, "-fail");
3707
3708 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3709 if (r < 0)
3710 return log_error_errno(r, "Failed to expand names: %m");
3711
3712 STRV_FOREACH(name, names) {
3713 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3714
3715 q = bus_call_method(
3716 bus,
3717 bus_systemd_mgr,
3718 "KillUnit",
3719 &error,
3720 NULL,
3721 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3722 if (q < 0) {
3723 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3724 if (r == 0)
3725 r = q;
3726 }
3727 }
3728
3729 return r;
3730 }
3731
3732 static int clean_or_freeze_unit(int argc, char *argv[], void *userdata) {
3733 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3734 _cleanup_strv_free_ char **names = NULL;
3735 int r, ret = EXIT_SUCCESS;
3736 char **name;
3737 const char *method;
3738 sd_bus *bus;
3739
3740 r = acquire_bus(BUS_FULL, &bus);
3741 if (r < 0)
3742 return r;
3743
3744 polkit_agent_open_maybe();
3745
3746 if (!arg_clean_what) {
3747 arg_clean_what = strv_new("cache", "runtime");
3748 if (!arg_clean_what)
3749 return log_oom();
3750 }
3751
3752 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3753 if (r < 0)
3754 return log_error_errno(r, "Failed to expand names: %m");
3755
3756 if (!arg_no_block) {
3757 r = bus_wait_for_units_new(bus, &w);
3758 if (r < 0)
3759 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3760 }
3761
3762 if (streq(argv[0], "clean"))
3763 method = "CleanUnit";
3764 else if (streq(argv[0], "freeze"))
3765 method = "FreezeUnit";
3766 else if (streq(argv[0], "thaw"))
3767 method = "ThawUnit";
3768 else
3769 assert_not_reached("Unhandled method");
3770
3771 STRV_FOREACH(name, names) {
3772 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3773 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3774
3775 if (w) {
3776 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3777 r = bus_call_method(bus, bus_systemd_mgr, "RefUnit", &error, NULL, "s", *name);
3778 if (r < 0) {
3779 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3780 if (ret == EXIT_SUCCESS)
3781 ret = r;
3782 continue;
3783 }
3784 }
3785
3786 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
3787 if (r < 0)
3788 return bus_log_create_error(r);
3789
3790 r = sd_bus_message_append(m, "s", *name);
3791 if (r < 0)
3792 return bus_log_create_error(r);
3793
3794 if (streq(method, "CleanUnit")) {
3795 r = sd_bus_message_append_strv(m, arg_clean_what);
3796 if (r < 0)
3797 return bus_log_create_error(r);
3798 }
3799
3800 r = sd_bus_call(bus, m, 0, &error, NULL);
3801 if (r < 0) {
3802 log_error_errno(r, "Failed to %s unit %s: %s", argv[0], *name, bus_error_message(&error, r));
3803 if (ret == EXIT_SUCCESS) {
3804 ret = r;
3805 continue;
3806 }
3807 }
3808
3809 if (w) {
3810 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3811 if (r < 0)
3812 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3813 }
3814 }
3815
3816 r = bus_wait_for_units_run(w);
3817 if (r < 0)
3818 return log_error_errno(r, "Failed to wait for units: %m");
3819 if (r == BUS_WAIT_FAILURE)
3820 ret = EXIT_FAILURE;
3821
3822 return ret;
3823 }
3824
3825 typedef struct ExecStatusInfo {
3826 char *name;
3827
3828 char *path;
3829 char **argv;
3830
3831 bool ignore;
3832
3833 usec_t start_timestamp;
3834 usec_t exit_timestamp;
3835 pid_t pid;
3836 int code;
3837 int status;
3838
3839 ExecCommandFlags flags;
3840
3841 LIST_FIELDS(struct ExecStatusInfo, exec);
3842 } ExecStatusInfo;
3843
3844 static void exec_status_info_free(ExecStatusInfo *i) {
3845 assert(i);
3846
3847 free(i->name);
3848 free(i->path);
3849 strv_free(i->argv);
3850 free(i);
3851 }
3852
3853 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3854 _cleanup_strv_free_ char **ex_opts = NULL;
3855 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3856 const char *path;
3857 uint32_t pid;
3858 int32_t code, status;
3859 int ignore, r;
3860
3861 assert(m);
3862 assert(i);
3863
3864 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3865 if (r < 0)
3866 return bus_log_parse_error(r);
3867 else if (r == 0)
3868 return 0;
3869
3870 r = sd_bus_message_read(m, "s", &path);
3871 if (r < 0)
3872 return bus_log_parse_error(r);
3873
3874 i->path = strdup(path);
3875 if (!i->path)
3876 return log_oom();
3877
3878 r = sd_bus_message_read_strv(m, &i->argv);
3879 if (r < 0)
3880 return bus_log_parse_error(r);
3881
3882 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3883 if (r < 0)
3884 return bus_log_parse_error(r);
3885
3886 r = sd_bus_message_read(m,
3887 "ttttuii",
3888 &start_timestamp, &start_timestamp_monotonic,
3889 &exit_timestamp, &exit_timestamp_monotonic,
3890 &pid,
3891 &code, &status);
3892 if (r < 0)
3893 return bus_log_parse_error(r);
3894
3895 if (is_ex_prop) {
3896 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3897 if (r < 0)
3898 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3899
3900 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3901 } else
3902 i->ignore = ignore;
3903
3904 i->start_timestamp = (usec_t) start_timestamp;
3905 i->exit_timestamp = (usec_t) exit_timestamp;
3906 i->pid = (pid_t) pid;
3907 i->code = code;
3908 i->status = status;
3909
3910 r = sd_bus_message_exit_container(m);
3911 if (r < 0)
3912 return bus_log_parse_error(r);
3913
3914 return 1;
3915 }
3916
3917 typedef struct UnitCondition {
3918 char *name;
3919 char *param;
3920 bool trigger;
3921 bool negate;
3922 int tristate;
3923
3924 LIST_FIELDS(struct UnitCondition, conditions);
3925 } UnitCondition;
3926
3927 static void unit_condition_free(UnitCondition *c) {
3928 if (!c)
3929 return;
3930
3931 free(c->name);
3932 free(c->param);
3933 free(c);
3934 }
3935
3936 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3937
3938 typedef struct UnitStatusInfo {
3939 const char *id;
3940 const char *load_state;
3941 const char *active_state;
3942 const char *freezer_state;
3943 const char *sub_state;
3944 const char *unit_file_state;
3945 const char *unit_file_preset;
3946
3947 const char *description;
3948 const char *following;
3949
3950 char **documentation;
3951
3952 const char *fragment_path;
3953 const char *source_path;
3954 const char *control_group;
3955
3956 char **dropin_paths;
3957
3958 char **triggered_by;
3959 char **triggers;
3960
3961 const char *load_error;
3962 const char *result;
3963
3964 usec_t inactive_exit_timestamp;
3965 usec_t inactive_exit_timestamp_monotonic;
3966 usec_t active_enter_timestamp;
3967 usec_t active_exit_timestamp;
3968 usec_t inactive_enter_timestamp;
3969
3970 bool need_daemon_reload;
3971 bool transient;
3972
3973 /* Service */
3974 pid_t main_pid;
3975 pid_t control_pid;
3976 const char *status_text;
3977 const char *pid_file;
3978 bool running:1;
3979 int status_errno;
3980
3981 usec_t start_timestamp;
3982 usec_t exit_timestamp;
3983
3984 int exit_code, exit_status;
3985
3986 const char *log_namespace;
3987
3988 usec_t condition_timestamp;
3989 bool condition_result;
3990 LIST_HEAD(UnitCondition, conditions);
3991
3992 usec_t assert_timestamp;
3993 bool assert_result;
3994 bool failed_assert_trigger;
3995 bool failed_assert_negate;
3996 const char *failed_assert;
3997 const char *failed_assert_parameter;
3998 usec_t next_elapse_real;
3999 usec_t next_elapse_monotonic;
4000
4001 /* Socket */
4002 unsigned n_accepted;
4003 unsigned n_connections;
4004 unsigned n_refused;
4005 bool accept;
4006
4007 /* Pairs of type, path */
4008 char **listen;
4009
4010 /* Device */
4011 const char *sysfs_path;
4012
4013 /* Mount, Automount */
4014 const char *where;
4015
4016 /* Swap */
4017 const char *what;
4018
4019 /* CGroup */
4020 uint64_t memory_current;
4021 uint64_t memory_min;
4022 uint64_t memory_low;
4023 uint64_t memory_high;
4024 uint64_t memory_max;
4025 uint64_t memory_swap_max;
4026 uint64_t memory_limit;
4027 uint64_t cpu_usage_nsec;
4028 uint64_t tasks_current;
4029 uint64_t tasks_max;
4030 uint64_t ip_ingress_bytes;
4031 uint64_t ip_egress_bytes;
4032 uint64_t io_read_bytes;
4033 uint64_t io_write_bytes;
4034
4035 uint64_t default_memory_min;
4036 uint64_t default_memory_low;
4037
4038 LIST_HEAD(ExecStatusInfo, exec);
4039 } UnitStatusInfo;
4040
4041 static void unit_status_info_free(UnitStatusInfo *info) {
4042 ExecStatusInfo *p;
4043 UnitCondition *c;
4044
4045 strv_free(info->documentation);
4046 strv_free(info->dropin_paths);
4047 strv_free(info->triggered_by);
4048 strv_free(info->triggers);
4049 strv_free(info->listen);
4050
4051 while ((c = info->conditions)) {
4052 LIST_REMOVE(conditions, info->conditions, c);
4053 unit_condition_free(c);
4054 }
4055
4056 while ((p = info->exec)) {
4057 LIST_REMOVE(exec, info->exec, p);
4058 exec_status_info_free(p);
4059 }
4060 }
4061
4062 static void format_active_state(const char *active_state, const char **active_on, const char **active_off) {
4063 if (streq_ptr(active_state, "failed")) {
4064 *active_on = ansi_highlight_red();
4065 *active_off = ansi_normal();
4066 } else if (STRPTR_IN_SET(active_state, "active", "reloading")) {
4067 *active_on = ansi_highlight_green();
4068 *active_off = ansi_normal();
4069 } else
4070 *active_on = *active_off = "";
4071 }
4072
4073 static void print_status_info(
4074 sd_bus *bus,
4075 UnitStatusInfo *i,
4076 bool *ellipsized) {
4077
4078 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4079 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss, *fs;
4080 _cleanup_free_ char *formatted_path = NULL;
4081 ExecStatusInfo *p;
4082 usec_t timestamp;
4083 const char *path;
4084 char **t, **t2;
4085 int r;
4086
4087 assert(i);
4088
4089 /* This shows pretty information about a unit. See
4090 * print_property() for a low-level property printer */
4091
4092 format_active_state(i->active_state, &active_on, &active_off);
4093
4094 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4095
4096 if (i->description && !streq_ptr(i->id, i->description))
4097 printf(" - %s", i->description);
4098
4099 printf("\n");
4100
4101 if (i->following)
4102 printf(" Follow: unit currently follows state of %s\n", i->following);
4103
4104 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4105 on = ansi_highlight_red();
4106 off = ansi_normal();
4107 } else
4108 on = off = "";
4109
4110 path = i->source_path ?: i->fragment_path;
4111 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4112 path = formatted_path;
4113
4114 if (!isempty(i->load_error))
4115 printf(" Loaded: %s%s%s (Reason: %s)\n",
4116 on, strna(i->load_state), off, i->load_error);
4117 else if (path && !isempty(i->unit_file_state)) {
4118 bool show_preset = !isempty(i->unit_file_preset) &&
4119 show_preset_for_state(unit_file_state_from_string(i->unit_file_state));
4120
4121 printf(" Loaded: %s%s%s (%s; %s%s%s)\n",
4122 on, strna(i->load_state), off,
4123 path,
4124 i->unit_file_state,
4125 show_preset ? "; vendor preset: " : "",
4126 show_preset ? i->unit_file_preset : "");
4127
4128 } else if (path)
4129 printf(" Loaded: %s%s%s (%s)\n",
4130 on, strna(i->load_state), off, path);
4131 else
4132 printf(" Loaded: %s%s%s\n",
4133 on, strna(i->load_state), off);
4134
4135 if (i->transient)
4136 printf(" Transient: yes\n");
4137
4138 if (!strv_isempty(i->dropin_paths)) {
4139 _cleanup_free_ char *dir = NULL;
4140 bool last = false;
4141 char ** dropin;
4142
4143 STRV_FOREACH(dropin, i->dropin_paths) {
4144 _cleanup_free_ char *dropin_formatted = NULL;
4145 const char *df;
4146
4147 if (!dir || last) {
4148 printf(dir ? " " :
4149 " Drop-In: ");
4150
4151 dir = mfree(dir);
4152
4153 dir = dirname_malloc(*dropin);
4154 if (!dir) {
4155 log_oom();
4156 return;
4157 }
4158
4159 printf("%s\n"
4160 " %s", dir,
4161 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4162 }
4163
4164 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4165
4166 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4167 df = dropin_formatted;
4168 else
4169 df = *dropin;
4170
4171 printf("%s%s", df, last ? "\n" : ", ");
4172 }
4173 }
4174
4175 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4176 if (ss)
4177 printf(" Active: %s%s (%s)%s",
4178 active_on, strna(i->active_state), ss, active_off);
4179 else
4180 printf(" Active: %s%s%s",
4181 active_on, strna(i->active_state), active_off);
4182
4183 fs = !isempty(i->freezer_state) && !streq(i->freezer_state, "running") ? i->freezer_state : NULL;
4184 if (fs)
4185 printf(" %s(%s)%s", ansi_highlight_yellow(), fs, ansi_normal());
4186
4187 if (!isempty(i->result) && !streq(i->result, "success"))
4188 printf(" (Result: %s)", i->result);
4189
4190 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4191 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4192 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4193 i->active_exit_timestamp;
4194
4195 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4196 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4197
4198 if (s1)
4199 printf(" since %s; %s\n", s2, s1);
4200 else if (s2)
4201 printf(" since %s\n", s2);
4202 else
4203 printf("\n");
4204
4205 STRV_FOREACH(t, i->triggered_by) {
4206 UnitActiveState state = _UNIT_ACTIVE_STATE_INVALID;
4207
4208 (void) get_state_one_unit(bus, *t, &state);
4209 format_active_state(unit_active_state_to_string(state), &on, &off);
4210
4211 printf("%s %s%s%s %s\n",
4212 t == i->triggered_by ? "TriggeredBy:" : " ",
4213 on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off,
4214 *t);
4215 }
4216
4217 if (endswith(i->id, ".timer")) {
4218 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4219 tstamp2[FORMAT_TIMESTAMP_MAX];
4220 const char *next_rel_time, *next_time;
4221 dual_timestamp nw, next = {i->next_elapse_real,
4222 i->next_elapse_monotonic};
4223 usec_t next_elapse;
4224
4225 printf(" Trigger: ");
4226
4227 dual_timestamp_get(&nw);
4228 next_elapse = calc_next_elapse(&nw, &next);
4229 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4230 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4231
4232 if (next_time && next_rel_time)
4233 printf("%s; %s\n", next_time, next_rel_time);
4234 else
4235 printf("n/a\n");
4236 }
4237
4238 STRV_FOREACH(t, i->triggers) {
4239 UnitActiveState state = _UNIT_ACTIVE_STATE_INVALID;
4240
4241 (void) get_state_one_unit(bus, *t, &state);
4242 format_active_state(unit_active_state_to_string(state), &on, &off);
4243
4244 printf("%s %s%s%s %s\n",
4245 t == i->triggers ? " Triggers:" : " ",
4246 on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off,
4247 *t);
4248 }
4249
4250 if (!i->condition_result && i->condition_timestamp > 0) {
4251 UnitCondition *c;
4252 int n = 0;
4253
4254 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4255 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4256
4257 printf(" Condition: start %scondition failed%s at %s%s%s\n",
4258 ansi_highlight_yellow(), ansi_normal(),
4259 s2, s1 ? "; " : "", strempty(s1));
4260
4261 LIST_FOREACH(conditions, c, i->conditions)
4262 if (c->tristate < 0)
4263 n++;
4264
4265 LIST_FOREACH(conditions, c, i->conditions)
4266 if (c->tristate < 0)
4267 printf(" %s %s=%s%s%s was not met\n",
4268 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4269 c->name,
4270 c->trigger ? "|" : "",
4271 c->negate ? "!" : "",
4272 c->param);
4273 }
4274
4275 if (!i->assert_result && i->assert_timestamp > 0) {
4276 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4277 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4278
4279 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4280 ansi_highlight_red(), ansi_normal(),
4281 s2, s1 ? "; " : "", strempty(s1));
4282 if (i->failed_assert_trigger)
4283 printf(" none of the trigger assertions were met\n");
4284 else if (i->failed_assert)
4285 printf(" %s=%s%s was not met\n",
4286 i->failed_assert,
4287 i->failed_assert_negate ? "!" : "",
4288 i->failed_assert_parameter);
4289 }
4290
4291 if (i->sysfs_path)
4292 printf(" Device: %s\n", i->sysfs_path);
4293 if (i->where)
4294 printf(" Where: %s\n", i->where);
4295 if (i->what)
4296 printf(" What: %s\n", i->what);
4297
4298 STRV_FOREACH(t, i->documentation) {
4299 _cleanup_free_ char *formatted = NULL;
4300 const char *q;
4301
4302 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4303 q = formatted;
4304 else
4305 q = *t;
4306
4307 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4308 }
4309
4310 STRV_FOREACH_PAIR(t, t2, i->listen)
4311 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4312
4313 if (i->accept) {
4314 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4315 if (i->n_refused)
4316 printf(" Refused: %u", i->n_refused);
4317 printf("\n");
4318 }
4319
4320 LIST_FOREACH(exec, p, i->exec) {
4321 _cleanup_free_ char *argv = NULL;
4322 bool good;
4323
4324 /* Only show exited processes here */
4325 if (p->code == 0)
4326 continue;
4327
4328 /* Don't print ExecXYZEx= properties here since it will appear as a
4329 * duplicate of the non-Ex= variant. */
4330 if (endswith(p->name, "Ex"))
4331 continue;
4332
4333 argv = strv_join(p->argv, " ");
4334 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4335
4336 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4337 if (!good) {
4338 on = ansi_highlight_red();
4339 off = ansi_normal();
4340 } else
4341 on = off = "";
4342
4343 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4344
4345 if (p->code == CLD_EXITED) {
4346 const char *c;
4347
4348 printf("status=%i", p->status);
4349
4350 c = exit_status_to_string(p->status, EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4351 if (c)
4352 printf("/%s", c);
4353
4354 } else
4355 printf("signal=%s", signal_to_string(p->status));
4356
4357 printf(")%s\n", off);
4358
4359 if (i->main_pid == p->pid &&
4360 i->start_timestamp == p->start_timestamp &&
4361 i->exit_timestamp == p->start_timestamp)
4362 /* Let's not show this twice */
4363 i->main_pid = 0;
4364
4365 if (p->pid == i->control_pid)
4366 i->control_pid = 0;
4367 }
4368
4369 if (i->main_pid > 0 || i->control_pid > 0) {
4370 if (i->main_pid > 0) {
4371 printf(" Main PID: "PID_FMT, i->main_pid);
4372
4373 if (i->running) {
4374
4375 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4376 _cleanup_free_ char *comm = NULL;
4377
4378 (void) get_process_comm(i->main_pid, &comm);
4379 if (comm)
4380 printf(" (%s)", comm);
4381 }
4382
4383 } else if (i->exit_code > 0) {
4384 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4385
4386 if (i->exit_code == CLD_EXITED) {
4387 const char *c;
4388
4389 printf("status=%i", i->exit_status);
4390
4391 c = exit_status_to_string(i->exit_status,
4392 EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4393 if (c)
4394 printf("/%s", c);
4395
4396 } else
4397 printf("signal=%s", signal_to_string(i->exit_status));
4398 printf(")");
4399 }
4400 }
4401
4402 if (i->control_pid > 0) {
4403 _cleanup_free_ char *c = NULL;
4404
4405 if (i->main_pid > 0)
4406 fputs("; Control PID: ", stdout);
4407 else
4408 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4409
4410 printf(PID_FMT, i->control_pid);
4411
4412 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4413 (void) get_process_comm(i->control_pid, &c);
4414 if (c)
4415 printf(" (%s)", c);
4416 }
4417 }
4418
4419 printf("\n");
4420 }
4421
4422 if (i->status_text)
4423 printf(" Status: \"%s\"\n", i->status_text);
4424 if (i->status_errno > 0)
4425 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4426
4427 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4428 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4429
4430 printf(" IP: %s in, %s out\n",
4431 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4432 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4433 }
4434
4435 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4436 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4437
4438 printf(" IO: %s read, %s written\n",
4439 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4440 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4441 }
4442
4443 if (i->tasks_current != (uint64_t) -1) {
4444 printf(" Tasks: %" PRIu64, i->tasks_current);
4445
4446 if (i->tasks_max != (uint64_t) -1)
4447 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4448 else
4449 printf("\n");
4450 }
4451
4452 if (i->memory_current != (uint64_t) -1) {
4453 char buf[FORMAT_BYTES_MAX];
4454
4455 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4456
4457 if (i->memory_min > 0 || i->memory_low > 0 ||
4458 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4459 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4460 i->memory_limit != CGROUP_LIMIT_MAX) {
4461 const char *prefix = "";
4462
4463 printf(" (");
4464 if (i->memory_min > 0) {
4465 printf("%smin: %s", prefix, format_bytes_cgroup_protection(buf, sizeof(buf), i->memory_min));
4466 prefix = " ";
4467 }
4468 if (i->memory_low > 0) {
4469 printf("%slow: %s", prefix, format_bytes_cgroup_protection(buf, sizeof(buf), i->memory_low));
4470 prefix = " ";
4471 }
4472 if (i->memory_high != CGROUP_LIMIT_MAX) {
4473 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4474 prefix = " ";
4475 }
4476 if (i->memory_max != CGROUP_LIMIT_MAX) {
4477 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4478 prefix = " ";
4479 }
4480 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4481 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4482 prefix = " ";
4483 }
4484 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4485 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4486 prefix = " ";
4487 }
4488 printf(")");
4489 }
4490 printf("\n");
4491 }
4492
4493 if (i->cpu_usage_nsec != (uint64_t) -1) {
4494 char buf[FORMAT_TIMESPAN_MAX];
4495 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4496 }
4497
4498 if (i->control_group) {
4499 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4500 static const char prefix[] = " ";
4501 unsigned c;
4502
4503 printf(" CGroup: %s\n", i->control_group);
4504
4505 c = columns();
4506 if (c > sizeof(prefix) - 1)
4507 c -= sizeof(prefix) - 1;
4508 else
4509 c = 0;
4510
4511 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4512 if (r == -EBADR) {
4513 unsigned k = 0;
4514 pid_t extra[2];
4515
4516 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4517
4518 if (i->main_pid > 0)
4519 extra[k++] = i->main_pid;
4520
4521 if (i->control_pid > 0)
4522 extra[k++] = i->control_pid;
4523
4524 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4525 } else if (r < 0)
4526 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4527 i->id, bus_error_message(&error, r));
4528 }
4529
4530 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4531 show_journal_by_unit(
4532 stdout,
4533 i->id,
4534 i->log_namespace,
4535 arg_output,
4536 0,
4537 i->inactive_exit_timestamp_monotonic,
4538 arg_lines,
4539 getuid(),
4540 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4541 SD_JOURNAL_LOCAL_ONLY,
4542 arg_scope == UNIT_FILE_SYSTEM,
4543 ellipsized);
4544
4545 if (i->need_daemon_reload)
4546 warn_unit_file_changed(i->id);
4547 }
4548
4549 static void show_unit_help(UnitStatusInfo *i) {
4550 char **p;
4551
4552 assert(i);
4553
4554 if (!i->documentation) {
4555 log_info("Documentation for %s not known.", i->id);
4556 return;
4557 }
4558
4559 STRV_FOREACH(p, i->documentation)
4560 if (startswith(*p, "man:"))
4561 show_man_page(*p + 4, false);
4562 else
4563 log_info("Can't show: %s", *p);
4564 }
4565
4566 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4567 UnitStatusInfo *i = userdata;
4568 uint32_t u;
4569 int r;
4570
4571 r = sd_bus_message_read(m, "u", &u);
4572 if (r < 0)
4573 return r;
4574
4575 i->main_pid = (pid_t) u;
4576 i->running = u > 0;
4577
4578 return 0;
4579 }
4580
4581 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4582 const char *message, **p = userdata;
4583 int r;
4584
4585 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4586 if (r < 0)
4587 return r;
4588
4589 if (!isempty(message))
4590 *p = message;
4591
4592 return 0;
4593 }
4594
4595 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4596 const char *type, *path;
4597 char ***p = userdata;
4598 int r;
4599
4600 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4601 if (r < 0)
4602 return r;
4603
4604 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4605
4606 r = strv_extend(p, type);
4607 if (r < 0)
4608 return r;
4609
4610 r = strv_extend(p, path);
4611 if (r < 0)
4612 return r;
4613 }
4614 if (r < 0)
4615 return r;
4616
4617 r = sd_bus_message_exit_container(m);
4618 if (r < 0)
4619 return r;
4620
4621 return 0;
4622 }
4623
4624 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4625 UnitStatusInfo *i = userdata;
4626 const char *cond, *param;
4627 int trigger, negate;
4628 int32_t state;
4629 int r;
4630
4631 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4632 if (r < 0)
4633 return r;
4634
4635 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4636 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4637
4638 c = new(UnitCondition, 1);
4639 if (!c)
4640 return -ENOMEM;
4641
4642 *c = (UnitCondition) {
4643 .name = strdup(cond),
4644 .param = strdup(param),
4645 .trigger = trigger,
4646 .negate = negate,
4647 .tristate = state,
4648 };
4649
4650 if (!c->name || !c->param)
4651 return -ENOMEM;
4652
4653 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4654 }
4655 if (r < 0)
4656 return r;
4657
4658 r = sd_bus_message_exit_container(m);
4659 if (r < 0)
4660 return r;
4661
4662 return 0;
4663 }
4664
4665 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4666 UnitStatusInfo *i = userdata;
4667 const char *cond, *param;
4668 int trigger, negate;
4669 int32_t state;
4670 int r;
4671
4672 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4673 if (r < 0)
4674 return r;
4675
4676 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4677 if (state < 0 && (!trigger || !i->failed_assert)) {
4678 i->failed_assert = cond;
4679 i->failed_assert_trigger = trigger;
4680 i->failed_assert_negate = negate;
4681 i->failed_assert_parameter = param;
4682 }
4683 }
4684 if (r < 0)
4685 return r;
4686
4687 r = sd_bus_message_exit_container(m);
4688 if (r < 0)
4689 return r;
4690
4691 return 0;
4692 }
4693
4694 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4695 _cleanup_free_ ExecStatusInfo *info = NULL;
4696 ExecStatusInfo *last;
4697 UnitStatusInfo *i = userdata;
4698 bool is_ex_prop = endswith(member, "Ex");
4699 int r;
4700
4701 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4702 if (r < 0)
4703 return r;
4704
4705 info = new0(ExecStatusInfo, 1);
4706 if (!info)
4707 return -ENOMEM;
4708
4709 LIST_FIND_TAIL(exec, i->exec, last);
4710
4711 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4712
4713 info->name = strdup(member);
4714 if (!info->name)
4715 return -ENOMEM;
4716
4717 LIST_INSERT_AFTER(exec, i->exec, last, info);
4718 last = info;
4719
4720 info = new0(ExecStatusInfo, 1);
4721 if (!info)
4722 return -ENOMEM;
4723 }
4724 if (r < 0)
4725 return r;
4726
4727 r = sd_bus_message_exit_container(m);
4728 if (r < 0)
4729 return r;
4730
4731 return 0;
4732 }
4733
4734 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4735 char bus_type;
4736 const char *contents;
4737 int r;
4738
4739 assert(name);
4740 assert(m);
4741
4742 /* This is a low-level property printer, see
4743 * print_status_info() for the nicer output */
4744
4745 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4746 if (r < 0)
4747 return r;
4748
4749 switch (bus_type) {
4750
4751 case SD_BUS_TYPE_INT32:
4752 if (endswith(name, "ActionExitStatus")) {
4753 int32_t i;
4754
4755 r = sd_bus_message_read_basic(m, bus_type, &i);
4756 if (r < 0)
4757 return r;
4758
4759 if (i >= 0 && i <= 255)
4760 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4761 else if (all)
4762 bus_print_property_value(name, expected_value, value, "[not set]");
4763
4764 return 1;
4765 } else if (streq(name, "NUMAPolicy")) {
4766 int32_t i;
4767
4768 r = sd_bus_message_read_basic(m, bus_type, &i);
4769 if (r < 0)
4770 return r;
4771
4772 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4773
4774 return 1;
4775 }
4776 break;
4777
4778 case SD_BUS_TYPE_STRUCT:
4779
4780 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4781 uint32_t u;
4782
4783 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4784 if (r < 0)
4785 return bus_log_parse_error(r);
4786
4787 if (u > 0)
4788 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4789 else if (all)
4790 bus_print_property_value(name, expected_value, value, "");
4791
4792 return 1;
4793
4794 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4795 const char *s;
4796
4797 r = sd_bus_message_read(m, "(so)", &s, NULL);
4798 if (r < 0)
4799 return bus_log_parse_error(r);
4800
4801 if (all || !isempty(s))
4802 bus_print_property_value(name, expected_value, value, s);
4803
4804 return 1;
4805
4806 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4807 const char *a = NULL, *b = NULL;
4808
4809 r = sd_bus_message_read(m, "(ss)", &a, &b);
4810 if (r < 0)
4811 return bus_log_parse_error(r);
4812
4813 if (!isempty(a) || !isempty(b))
4814 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4815 else if (all)
4816 bus_print_property_value(name, expected_value, value, "");
4817
4818 return 1;
4819
4820 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4821 _cleanup_strv_free_ char **l = NULL;
4822 int whitelist;
4823
4824 r = sd_bus_message_enter_container(m, 'r', "bas");
4825 if (r < 0)
4826 return bus_log_parse_error(r);
4827
4828 r = sd_bus_message_read(m, "b", &whitelist);
4829 if (r < 0)
4830 return bus_log_parse_error(r);
4831
4832 r = sd_bus_message_read_strv(m, &l);
4833 if (r < 0)
4834 return bus_log_parse_error(r);
4835
4836 r = sd_bus_message_exit_container(m);
4837 if (r < 0)
4838 return bus_log_parse_error(r);
4839
4840 if (all || whitelist || !strv_isempty(l)) {
4841 bool first = true;
4842 char **i;
4843
4844 if (!value) {
4845 fputs(name, stdout);
4846 fputc('=', stdout);
4847 }
4848
4849 if (!whitelist)
4850 fputc('~', stdout);
4851
4852 STRV_FOREACH(i, l) {
4853 if (first)
4854 first = false;
4855 else
4856 fputc(' ', stdout);
4857
4858 fputs(*i, stdout);
4859 }
4860 fputc('\n', stdout);
4861 }
4862
4863 return 1;
4864
4865 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4866 int ignore;
4867 const char *s;
4868
4869 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4870 if (r < 0)
4871 return bus_log_parse_error(r);
4872
4873 if (!isempty(s))
4874 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4875 else if (all)
4876 bus_print_property_value(name, expected_value, value, "");
4877
4878 return 1;
4879
4880 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4881 const int32_t *status, *signal;
4882 size_t n_status, n_signal, i;
4883
4884 r = sd_bus_message_enter_container(m, 'r', "aiai");
4885 if (r < 0)
4886 return bus_log_parse_error(r);
4887
4888 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status);
4889 if (r < 0)
4890 return bus_log_parse_error(r);
4891
4892 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal);
4893 if (r < 0)
4894 return bus_log_parse_error(r);
4895
4896 r = sd_bus_message_exit_container(m);
4897 if (r < 0)
4898 return bus_log_parse_error(r);
4899
4900 n_status /= sizeof(int32_t);
4901 n_signal /= sizeof(int32_t);
4902
4903 if (all || n_status > 0 || n_signal > 0) {
4904 bool first = true;
4905
4906 if (!value) {
4907 fputs(name, stdout);
4908 fputc('=', stdout);
4909 }
4910
4911 for (i = 0; i < n_status; i++) {
4912 if (first)
4913 first = false;
4914 else
4915 fputc(' ', stdout);
4916
4917 printf("%"PRIi32, status[i]);
4918 }
4919
4920 for (i = 0; i < n_signal; i++) {
4921 const char *str;
4922
4923 str = signal_to_string((int) signal[i]);
4924
4925 if (first)
4926 first = false;
4927 else
4928 fputc(' ', stdout);
4929
4930 if (str)
4931 fputs(str, stdout);
4932 else
4933 printf("%"PRIi32, status[i]);
4934 }
4935
4936 fputc('\n', stdout);
4937 }
4938 return 1;
4939 }
4940
4941 break;
4942
4943 case SD_BUS_TYPE_ARRAY:
4944
4945 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4946 const char *path;
4947 int ignore;
4948
4949 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4950 if (r < 0)
4951 return bus_log_parse_error(r);
4952
4953 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4954 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4955
4956 if (r < 0)
4957 return bus_log_parse_error(r);
4958
4959 r = sd_bus_message_exit_container(m);
4960 if (r < 0)
4961 return bus_log_parse_error(r);
4962
4963 return 1;
4964
4965 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4966 const char *type, *path;
4967
4968 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4969 if (r < 0)
4970 return bus_log_parse_error(r);
4971
4972 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4973 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
4974 if (r < 0)
4975 return bus_log_parse_error(r);
4976
4977 r = sd_bus_message_exit_container(m);
4978 if (r < 0)
4979 return bus_log_parse_error(r);
4980
4981 return 1;
4982
4983 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4984 const char *type, *path;
4985
4986 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4987 if (r < 0)
4988 return bus_log_parse_error(r);
4989
4990 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4991 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
4992 if (r < 0)
4993 return bus_log_parse_error(r);
4994
4995 r = sd_bus_message_exit_container(m);
4996 if (r < 0)
4997 return bus_log_parse_error(r);
4998
4999 return 1;
5000
5001 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5002 const char *base;
5003 uint64_t v, next_elapse;
5004
5005 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5006 if (r < 0)
5007 return bus_log_parse_error(r);
5008
5009 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5010 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5011
5012 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5013 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5014
5015 bus_print_property_valuef(name, expected_value, value,
5016 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5017 }
5018 if (r < 0)
5019 return bus_log_parse_error(r);
5020
5021 r = sd_bus_message_exit_container(m);
5022 if (r < 0)
5023 return bus_log_parse_error(r);
5024
5025 return 1;
5026
5027 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5028 const char *base, *spec;
5029 uint64_t next_elapse;
5030
5031 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5032 if (r < 0)
5033 return bus_log_parse_error(r);
5034
5035 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5036 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5037
5038 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5039 bus_print_property_valuef(name, expected_value, value,
5040 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5041 }
5042 if (r < 0)
5043 return bus_log_parse_error(r);
5044
5045 r = sd_bus_message_exit_container(m);
5046 if (r < 0)
5047 return bus_log_parse_error(r);
5048
5049 return 1;
5050
5051 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5052 ExecStatusInfo info = {};
5053 bool is_ex_prop = endswith(name, "Ex");
5054
5055 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5056 if (r < 0)
5057 return bus_log_parse_error(r);
5058
5059 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5060 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5061 _cleanup_strv_free_ char **optv = NULL;
5062 _cleanup_free_ char *tt, *o = NULL;
5063
5064 tt = strv_join(info.argv, " ");
5065
5066 if (is_ex_prop) {
5067 r = exec_command_flags_to_strv(info.flags, &optv);
5068 if (r < 0)
5069 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5070
5071 o = strv_join(optv, " ");
5072
5073 bus_print_property_valuef(name, expected_value, value,
5074 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5075 strna(info.path),
5076 strna(tt),
5077 strna(o),
5078 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5079 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5080 info.pid,
5081 sigchld_code_to_string(info.code),
5082 info.status,
5083 info.code == CLD_EXITED ? "" : "/",
5084 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5085 } else
5086 bus_print_property_valuef(name, expected_value, value,
5087 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5088 strna(info.path),
5089 strna(tt),
5090 yes_no(info.ignore),
5091 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5092 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5093 info.pid,
5094 sigchld_code_to_string(info.code),
5095 info.status,
5096 info.code == CLD_EXITED ? "" : "/",
5097 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5098
5099 free(info.path);
5100 strv_free(info.argv);
5101 zero(info);
5102 }
5103
5104 r = sd_bus_message_exit_container(m);
5105 if (r < 0)
5106 return bus_log_parse_error(r);
5107
5108 return 1;
5109
5110 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5111 const char *path, *rwm;
5112
5113 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5114 if (r < 0)
5115 return bus_log_parse_error(r);
5116
5117 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5118 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5119 if (r < 0)
5120 return bus_log_parse_error(r);
5121
5122 r = sd_bus_message_exit_container(m);
5123 if (r < 0)
5124 return bus_log_parse_error(r);
5125
5126 return 1;
5127
5128 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5129 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5130 const char *path;
5131 uint64_t weight;
5132
5133 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5134 if (r < 0)
5135 return bus_log_parse_error(r);
5136
5137 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5138 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5139 if (r < 0)
5140 return bus_log_parse_error(r);
5141
5142 r = sd_bus_message_exit_container(m);
5143 if (r < 0)
5144 return bus_log_parse_error(r);
5145
5146 return 1;
5147
5148 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5149 (cgroup_io_limit_type_from_string(name) >= 0 ||
5150 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5151 const char *path;
5152 uint64_t bandwidth;
5153
5154 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5155 if (r < 0)
5156 return bus_log_parse_error(r);
5157
5158 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5159 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5160 if (r < 0)
5161 return bus_log_parse_error(r);
5162
5163 r = sd_bus_message_exit_container(m);
5164 if (r < 0)
5165 return bus_log_parse_error(r);
5166
5167 return 1;
5168
5169 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5170 streq(name, "IODeviceLatencyTargetUSec")) {
5171 char ts[FORMAT_TIMESPAN_MAX];
5172 const char *path;
5173 uint64_t target;
5174
5175 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5176 if (r < 0)
5177 return bus_log_parse_error(r);
5178
5179 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5180 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5181 format_timespan(ts, sizeof(ts), target, 1));
5182 if (r < 0)
5183 return bus_log_parse_error(r);
5184
5185 r = sd_bus_message_exit_container(m);
5186 if (r < 0)
5187 return bus_log_parse_error(r);
5188
5189 return 1;
5190
5191 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5192 _cleanup_free_ char *h = NULL;
5193 const void *p;
5194 size_t sz;
5195 ssize_t n;
5196
5197 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5198 if (r < 0)
5199 return bus_log_parse_error(r);
5200
5201 n = base64mem(p, sz, &h);
5202 if (n < 0)
5203 return log_oom();
5204
5205 bus_print_property_value(name, expected_value, value, h);
5206
5207 return 1;
5208
5209 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5210 _cleanup_free_ char *addresses = NULL;
5211
5212 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5213 if (r < 0)
5214 return bus_log_parse_error(r);
5215
5216 for (;;) {
5217 _cleanup_free_ char *str = NULL;
5218 uint32_t prefixlen;
5219 int32_t family;
5220 const void *ap;
5221 size_t an;
5222
5223 r = sd_bus_message_enter_container(m, 'r', "iayu");
5224 if (r < 0)
5225 return bus_log_parse_error(r);
5226 if (r == 0)
5227 break;
5228
5229 r = sd_bus_message_read(m, "i", &family);
5230 if (r < 0)
5231 return bus_log_parse_error(r);
5232
5233 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5234 if (r < 0)
5235 return bus_log_parse_error(r);
5236
5237 r = sd_bus_message_read(m, "u", &prefixlen);
5238 if (r < 0)
5239 return bus_log_parse_error(r);
5240
5241 r = sd_bus_message_exit_container(m);
5242 if (r < 0)
5243 return bus_log_parse_error(r);
5244
5245 if (!IN_SET(family, AF_INET, AF_INET6))
5246 continue;
5247
5248 if (an != FAMILY_ADDRESS_SIZE(family))
5249 continue;
5250
5251 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5252 continue;
5253
5254 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5255 continue;
5256
5257 if (!strextend_with_separator(&addresses, " ", str, NULL))
5258 return log_oom();
5259 }
5260
5261 r = sd_bus_message_exit_container(m);
5262 if (r < 0)
5263 return bus_log_parse_error(r);
5264
5265 if (all || !isempty(addresses))
5266 bus_print_property_value(name, expected_value, value, strempty(addresses));
5267
5268 return 1;
5269
5270 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5271 _cleanup_free_ char *paths = NULL;
5272 const char *source, *dest;
5273 int ignore_enoent;
5274 uint64_t rbind;
5275
5276 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5277 if (r < 0)
5278 return bus_log_parse_error(r);
5279
5280 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5281 _cleanup_free_ char *str = NULL;
5282
5283 if (isempty(source))
5284 continue;
5285
5286 if (asprintf(&str, "%s%s%s%s%s",
5287 ignore_enoent ? "-" : "",
5288 source,
5289 isempty(dest) ? "" : ":",
5290 strempty(dest),
5291 rbind == MS_REC ? ":rbind" : "") < 0)
5292 return log_oom();
5293
5294 if (!strextend_with_separator(&paths, " ", str, NULL))
5295 return log_oom();
5296 }
5297 if (r < 0)
5298 return bus_log_parse_error(r);
5299
5300 r = sd_bus_message_exit_container(m);
5301 if (r < 0)
5302 return bus_log_parse_error(r);
5303
5304 if (all || !isempty(paths))
5305 bus_print_property_value(name, expected_value, value, strempty(paths));
5306
5307 return 1;
5308
5309 } else if (streq(name, "TemporaryFileSystem")) {
5310 _cleanup_free_ char *paths = NULL;
5311 const char *target, *option;
5312
5313 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5314 if (r < 0)
5315 return bus_log_parse_error(r);
5316
5317 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5318 _cleanup_free_ char *str = NULL;
5319
5320 if (isempty(target))
5321 continue;
5322
5323 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5324 return log_oom();
5325
5326 if (!strextend_with_separator(&paths, " ", str, NULL))
5327 return log_oom();
5328 }
5329 if (r < 0)
5330 return bus_log_parse_error(r);
5331
5332 r = sd_bus_message_exit_container(m);
5333 if (r < 0)
5334 return bus_log_parse_error(r);
5335
5336 if (all || !isempty(paths))
5337 bus_print_property_value(name, expected_value, value, strempty(paths));
5338
5339 return 1;
5340
5341 } else if (streq(name, "LogExtraFields")) {
5342 _cleanup_free_ char *fields = NULL;
5343 const void *p;
5344 size_t sz;
5345
5346 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5347 if (r < 0)
5348 return bus_log_parse_error(r);
5349
5350 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5351 _cleanup_free_ char *str = NULL;
5352 const char *eq;
5353
5354 if (memchr(p, 0, sz))
5355 continue;
5356
5357 eq = memchr(p, '=', sz);
5358 if (!eq)
5359 continue;
5360
5361 if (!journal_field_valid(p, eq - (const char*) p, false))
5362 continue;
5363
5364 str = malloc(sz + 1);
5365 if (!str)
5366 return log_oom();
5367
5368 memcpy(str, p, sz);
5369 str[sz] = '\0';
5370
5371 if (!utf8_is_valid(str))
5372 continue;
5373
5374 if (!strextend_with_separator(&fields, " ", str, NULL))
5375 return log_oom();
5376 }
5377 if (r < 0)
5378 return bus_log_parse_error(r);
5379
5380 r = sd_bus_message_exit_container(m);
5381 if (r < 0)
5382 return bus_log_parse_error(r);
5383
5384 if (all || !isempty(fields))
5385 bus_print_property_value(name, expected_value, value, strempty(fields));
5386
5387 return 1;
5388 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask", "AllowedCPUs", "AllowedMemoryNodes", "EffectiveCPUs", "EffectiveMemoryNodes")) {
5389 _cleanup_free_ char *affinity = NULL;
5390 _cleanup_(cpu_set_reset) CPUSet set = {};
5391 const void *a;
5392 size_t n;
5393
5394 r = sd_bus_message_read_array(m, 'y', &a, &n);
5395 if (r < 0)
5396 return bus_log_parse_error(r);
5397
5398 r = cpu_set_from_dbus(a, n, &set);
5399 if (r < 0)
5400 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5401
5402 affinity = cpu_set_to_range_string(&set);
5403 if (!affinity)
5404 return log_oom();
5405
5406 bus_print_property_value(name, expected_value, value, affinity);
5407
5408 return 1;
5409 }
5410
5411 break;
5412 }
5413
5414 return 0;
5415 }
5416
5417 typedef enum SystemctlShowMode{
5418 SYSTEMCTL_SHOW_PROPERTIES,
5419 SYSTEMCTL_SHOW_STATUS,
5420 SYSTEMCTL_SHOW_HELP,
5421 _SYSTEMCTL_SHOW_MODE_MAX,
5422 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5423 } SystemctlShowMode;
5424
5425 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5426 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5427 [SYSTEMCTL_SHOW_STATUS] = "status",
5428 [SYSTEMCTL_SHOW_HELP] = "help",
5429 };
5430
5431 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5432
5433 static int show_one(
5434 sd_bus *bus,
5435 const char *path,
5436 const char *unit,
5437 SystemctlShowMode show_mode,
5438 bool *new_line,
5439 bool *ellipsized) {
5440
5441 static const struct bus_properties_map property_map[] = {
5442 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5443 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5444 { "FreezerState", "s", NULL, offsetof(UnitStatusInfo, freezer_state) },
5445 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5446 {}
5447 }, status_map[] = {
5448 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5449 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5450 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5451 { "FreezerState", "s", NULL, offsetof(UnitStatusInfo, freezer_state) },
5452 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5453 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5454 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5455 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5456 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5457 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5458 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5459 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5460 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5461 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5462 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5463 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5464 { "TriggeredBy", "as", NULL, offsetof(UnitStatusInfo, triggered_by) },
5465 { "Triggers", "as", NULL, offsetof(UnitStatusInfo, triggers) },
5466 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5467 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5468 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5469 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5470 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5471 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5472 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5473 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5474 { "MainPID", "u", map_main_pid, 0 },
5475 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5476 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5477 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5478 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5479 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5480 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5481 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5482 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5483 { "LogNamespace", "s", NULL, offsetof(UnitStatusInfo, log_namespace) },
5484 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5485 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5486 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5487 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5488 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5489 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5490 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5491 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5492 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5493 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5494 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5495 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5496 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5497 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5498 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5499 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5500 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5501 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5502 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5503 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5504 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5505 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5506 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5507 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5508 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5509 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5510 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5511 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5512 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5513 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5514 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5515 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5516 { "ExecCondition", "a(sasbttttuii)", map_exec, 0 },
5517 { "ExecConditionEx", "a(sasasttttuii)", map_exec, 0 },
5518 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5519 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5520 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5521 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5522 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5523 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5524 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5525 { "ExecReloadEx", "a(sasasttttuii)", map_exec, 0 },
5526 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5527 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5528 { "ExecStopEx", "a(sasasttttuii)", map_exec, 0 },
5529 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5530 { "ExecStopPostEx", "a(sasasttttuii)", map_exec, 0 },
5531 {}
5532 };
5533
5534 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5535 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5536 _cleanup_set_free_ Set *found_properties = NULL;
5537 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5538 .memory_current = (uint64_t) -1,
5539 .memory_high = CGROUP_LIMIT_MAX,
5540 .memory_max = CGROUP_LIMIT_MAX,
5541 .memory_swap_max = CGROUP_LIMIT_MAX,
5542 .memory_limit = (uint64_t) -1,
5543 .cpu_usage_nsec = (uint64_t) -1,
5544 .tasks_current = (uint64_t) -1,
5545 .tasks_max = (uint64_t) -1,
5546 .ip_ingress_bytes = (uint64_t) -1,
5547 .ip_egress_bytes = (uint64_t) -1,
5548 .io_read_bytes = UINT64_MAX,
5549 .io_write_bytes = UINT64_MAX,
5550 };
5551 char **pp;
5552 int r;
5553
5554 assert(path);
5555 assert(new_line);
5556
5557 log_debug("Showing one %s", path);
5558
5559 r = bus_map_all_properties(
5560 bus,
5561 "org.freedesktop.systemd1",
5562 path,
5563 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5564 BUS_MAP_BOOLEAN_AS_BOOL,
5565 &error,
5566 &reply,
5567 &info);
5568 if (r < 0)
5569 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5570
5571 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5572 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5573 "Unit %s could not be found.", unit);
5574
5575 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5576 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5577 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5578 return -ENOENT;
5579 }
5580
5581 if (*new_line)
5582 printf("\n");
5583
5584 *new_line = true;
5585
5586 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5587 print_status_info(bus, &info, ellipsized);
5588
5589 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5590 return EXIT_PROGRAM_NOT_RUNNING;
5591
5592 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5593
5594 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5595 show_unit_help(&info);
5596 return 0;
5597 }
5598
5599 r = sd_bus_message_rewind(reply, true);
5600 if (r < 0)
5601 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5602
5603 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5604 if (r < 0)
5605 return bus_log_parse_error(r);
5606
5607 STRV_FOREACH(pp, arg_properties)
5608 if (!set_contains(found_properties, *pp))
5609 log_debug("Property %s does not exist.", *pp);
5610
5611 return 0;
5612 }
5613
5614 static int get_unit_dbus_path_by_pid(
5615 sd_bus *bus,
5616 uint32_t pid,
5617 char **unit) {
5618
5619 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5620 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5621 char *u;
5622 int r;
5623
5624 r = bus_call_method(bus, bus_systemd_mgr, "GetUnitByPID", &error, &reply, "u", pid);
5625 if (r < 0)
5626 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5627
5628 r = sd_bus_message_read(reply, "o", &u);
5629 if (r < 0)
5630 return bus_log_parse_error(r);
5631
5632 u = strdup(u);
5633 if (!u)
5634 return log_oom();
5635
5636 *unit = u;
5637 return 0;
5638 }
5639
5640 static int show_all(
5641 sd_bus *bus,
5642 bool *new_line,
5643 bool *ellipsized) {
5644
5645 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5646 _cleanup_free_ UnitInfo *unit_infos = NULL;
5647 const UnitInfo *u;
5648 unsigned c;
5649 int r, ret = 0;
5650
5651 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5652 if (r < 0)
5653 return r;
5654
5655 (void) pager_open(arg_pager_flags);
5656
5657 c = (unsigned) r;
5658
5659 typesafe_qsort(unit_infos, c, compare_unit_info);
5660
5661 for (u = unit_infos; u < unit_infos + c; u++) {
5662 _cleanup_free_ char *p = NULL;
5663
5664 p = unit_dbus_path_from_name(u->id);
5665 if (!p)
5666 return log_oom();
5667
5668 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5669 if (r < 0)
5670 return r;
5671 else if (r > 0 && ret == 0)
5672 ret = r;
5673 }
5674
5675 return ret;
5676 }
5677
5678 static int show_system_status(sd_bus *bus) {
5679 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5680 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5681 _cleanup_(machine_info_clear) struct machine_info mi = {};
5682 _cleanup_free_ char *hn = NULL;
5683 const char *on, *off;
5684 int r;
5685
5686 hn = gethostname_malloc();
5687 if (!hn)
5688 return log_oom();
5689
5690 r = bus_map_all_properties(
5691 bus,
5692 "org.freedesktop.systemd1",
5693 "/org/freedesktop/systemd1",
5694 machine_info_property_map,
5695 BUS_MAP_STRDUP,
5696 &error,
5697 NULL,
5698 &mi);
5699 if (r < 0)
5700 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5701
5702 if (streq_ptr(mi.state, "degraded")) {
5703 on = ansi_highlight_red();
5704 off = ansi_normal();
5705 } else if (streq_ptr(mi.state, "running")) {
5706 on = ansi_highlight_green();
5707 off = ansi_normal();
5708 } else {
5709 on = ansi_highlight_yellow();
5710 off = ansi_normal();
5711 }
5712
5713 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5714
5715 printf(" State: %s%s%s\n",
5716 on, strna(mi.state), off);
5717
5718 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5719 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5720
5721 printf(" Since: %s; %s\n",
5722 format_timestamp(since2, sizeof(since2), mi.timestamp),
5723 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5724
5725 printf(" CGroup: %s\n", mi.control_group ?: "/");
5726 if (IN_SET(arg_transport,
5727 BUS_TRANSPORT_LOCAL,
5728 BUS_TRANSPORT_MACHINE)) {
5729 static const char prefix[] = " ";
5730 unsigned c;
5731
5732 c = columns();
5733 if (c > sizeof(prefix) - 1)
5734 c -= sizeof(prefix) - 1;
5735 else
5736 c = 0;
5737
5738 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5739 }
5740
5741 return 0;
5742 }
5743
5744 static int show(int argc, char *argv[], void *userdata) {
5745 bool new_line = false, ellipsized = false;
5746 SystemctlShowMode show_mode;
5747 int r, ret = 0;
5748 sd_bus *bus;
5749
5750 assert(argv);
5751
5752 show_mode = systemctl_show_mode_from_string(argv[0]);
5753 if (show_mode < 0)
5754 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5755 "Invalid argument.");
5756
5757 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5758 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5759 "'help' command expects one or more unit names.\n"
5760 "(Alternatively, help for systemctl itself may be shown with --help)");
5761
5762 r = acquire_bus(BUS_MANAGER, &bus);
5763 if (r < 0)
5764 return r;
5765
5766 (void) pager_open(arg_pager_flags);
5767
5768 /* If no argument is specified inspect the manager itself */
5769 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5770 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5771
5772 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5773
5774 show_system_status(bus);
5775 new_line = true;
5776
5777 if (arg_all)
5778 ret = show_all(bus, &new_line, &ellipsized);
5779 } else {
5780 _cleanup_free_ char **patterns = NULL;
5781 char **name;
5782
5783 STRV_FOREACH(name, strv_skip(argv, 1)) {
5784 _cleanup_free_ char *path = NULL, *unit = NULL;
5785 uint32_t id;
5786
5787 if (safe_atou32(*name, &id) < 0) {
5788 if (strv_push(&patterns, *name) < 0)
5789 return log_oom();
5790
5791 continue;
5792 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5793 /* Interpret as job id */
5794 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5795 return log_oom();
5796
5797 } else {
5798 /* Interpret as PID */
5799 r = get_unit_dbus_path_by_pid(bus, id, &path);
5800 if (r < 0) {
5801 ret = r;
5802 continue;
5803 }
5804
5805 r = unit_name_from_dbus_path(path, &unit);
5806 if (r < 0)
5807 return log_oom();
5808 }
5809
5810 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5811 if (r < 0)
5812 return r;
5813 else if (r > 0 && ret == 0)
5814 ret = r;
5815 }
5816
5817 if (!strv_isempty(patterns)) {
5818 _cleanup_strv_free_ char **names = NULL;
5819
5820 r = expand_names(bus, patterns, NULL, &names, NULL);
5821 if (r < 0)
5822 return log_error_errno(r, "Failed to expand names: %m");
5823
5824 r = maybe_extend_with_unit_dependencies(bus, &names);
5825 if (r < 0)
5826 return r;
5827
5828 STRV_FOREACH(name, names) {
5829 _cleanup_free_ char *path;
5830
5831 path = unit_dbus_path_from_name(*name);
5832 if (!path)
5833 return log_oom();
5834
5835 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5836 if (r < 0)
5837 return r;
5838 if (r > 0 && ret == 0)
5839 ret = r;
5840 }
5841 }
5842 }
5843
5844 if (ellipsized && !arg_quiet)
5845 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5846
5847 return ret;
5848 }
5849
5850 static int cat(int argc, char *argv[], void *userdata) {
5851 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5852 _cleanup_strv_free_ char **names = NULL;
5853 char **name;
5854 sd_bus *bus;
5855 bool first = true;
5856 int r, rc = 0;
5857
5858 /* Include all units by default — i.e. continue as if the --all
5859 * option was used */
5860 if (strv_isempty(arg_states))
5861 arg_all = true;
5862
5863 if (arg_transport != BUS_TRANSPORT_LOCAL)
5864 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5865
5866 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5867 if (r < 0)
5868 return log_error_errno(r, "Failed to determine unit paths: %m");
5869
5870 r = acquire_bus(BUS_MANAGER, &bus);
5871 if (r < 0)
5872 return r;
5873
5874 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
5875 if (r < 0)
5876 return log_error_errno(r, "Failed to expand names: %m");
5877
5878 r = maybe_extend_with_unit_dependencies(bus, &names);
5879 if (r < 0)
5880 return r;
5881
5882 (void) pager_open(arg_pager_flags);
5883
5884 STRV_FOREACH(name, names) {
5885 _cleanup_free_ char *fragment_path = NULL;
5886 _cleanup_strv_free_ char **dropin_paths = NULL;
5887
5888 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5889 if (r == -ERFKILL) {
5890 printf("%s# Unit %s is masked%s.\n",
5891 ansi_highlight_magenta(),
5892 *name,
5893 ansi_normal());
5894 continue;
5895 }
5896 if (r == -EKEYREJECTED) {
5897 printf("%s# Unit %s could not be loaded.%s\n",
5898 ansi_highlight_magenta(),
5899 *name,
5900 ansi_normal());
5901 continue;
5902 }
5903 if (r < 0)
5904 return r;
5905 if (r == 0) {
5906 /* Skip units which have no on-disk counterpart, but
5907 * propagate the error to the user */
5908 rc = -ENOENT;
5909 continue;
5910 }
5911
5912 if (first)
5913 first = false;
5914 else
5915 puts("");
5916
5917 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5918 fprintf(stderr,
5919 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5920 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5921 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5922 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5923 ansi_highlight_red(),
5924 *name,
5925 ansi_highlight_red(),
5926 ansi_highlight_red(),
5927 ansi_highlight_red(),
5928 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5929 ansi_normal());
5930
5931 r = cat_files(fragment_path, dropin_paths, 0);
5932 if (r < 0)
5933 return r;
5934 }
5935
5936 return rc;
5937 }
5938
5939 static int set_property(int argc, char *argv[], void *userdata) {
5940 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5941 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5942 _cleanup_free_ char *n = NULL;
5943 UnitType t;
5944 sd_bus *bus;
5945 int r;
5946
5947 r = acquire_bus(BUS_MANAGER, &bus);
5948 if (r < 0)
5949 return r;
5950
5951 polkit_agent_open_maybe();
5952
5953 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "SetUnitProperties");
5954 if (r < 0)
5955 return bus_log_create_error(r);
5956
5957 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5958 if (r < 0)
5959 return log_error_errno(r, "Failed to mangle unit name: %m");
5960
5961 t = unit_name_to_type(n);
5962 if (t < 0)
5963 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
5964
5965 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5966 if (r < 0)
5967 return bus_log_create_error(r);
5968
5969 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5970 if (r < 0)
5971 return bus_log_create_error(r);
5972
5973 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5974 if (r < 0)
5975 return r;
5976
5977 r = sd_bus_message_close_container(m);
5978 if (r < 0)
5979 return bus_log_create_error(r);
5980
5981 r = sd_bus_call(bus, m, 0, &error, NULL);
5982 if (r < 0)
5983 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5984
5985 return 0;
5986 }
5987
5988 static int daemon_reload(int argc, char *argv[], void *userdata) {
5989 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5990 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5991 const char *method;
5992 sd_bus *bus;
5993 int r;
5994
5995 r = acquire_bus(BUS_MANAGER, &bus);
5996 if (r < 0)
5997 return r;
5998
5999 polkit_agent_open_maybe();
6000
6001 switch (arg_action) {
6002
6003 case ACTION_RELOAD:
6004 method = "Reload";
6005 break;
6006
6007 case ACTION_REEXEC:
6008 method = "Reexecute";
6009 break;
6010
6011 case ACTION_SYSTEMCTL:
6012 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6013 /* "daemon-reload" */ "Reload";
6014 break;
6015
6016 default:
6017 assert_not_reached("Unexpected action");
6018 }
6019
6020 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
6021 if (r < 0)
6022 return bus_log_create_error(r);
6023
6024 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6025 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6026 * their timeout, and for everything else there's the same time budget in place. */
6027
6028 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6029
6030 /* On reexecution, we expect a disconnect, not a reply */
6031 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6032 r = 0;
6033
6034 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6035 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6036
6037 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6038 * old ways of doing things, hence don't log any error in that case here. */
6039
6040 return r < 0 ? r : 0;
6041 }
6042
6043 static int trivial_method(int argc, char *argv[], void *userdata) {
6044 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6045 const char *method;
6046 sd_bus *bus;
6047 int r;
6048
6049 if (arg_dry_run)
6050 return 0;
6051
6052 r = acquire_bus(BUS_MANAGER, &bus);
6053 if (r < 0)
6054 return r;
6055
6056 polkit_agent_open_maybe();
6057
6058 method =
6059 streq(argv[0], "clear-jobs") ||
6060 streq(argv[0], "cancel") ? "ClearJobs" :
6061 streq(argv[0], "reset-failed") ? "ResetFailed" :
6062 streq(argv[0], "halt") ? "Halt" :
6063 streq(argv[0], "reboot") ? "Reboot" :
6064 streq(argv[0], "kexec") ? "KExec" :
6065 streq(argv[0], "exit") ? "Exit" :
6066 /* poweroff */ "PowerOff";
6067
6068 r = bus_call_method(bus, bus_systemd_mgr, method, &error, NULL, NULL);
6069 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6070 return log_error_errno(r, "Failed to execute operation: %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 reset_failed(int argc, char *argv[], void *userdata) {
6079 _cleanup_strv_free_ char **names = NULL;
6080 sd_bus *bus;
6081 char **name;
6082 int r, q;
6083
6084 if (argc <= 1)
6085 return trivial_method(argc, argv, userdata);
6086
6087 r = acquire_bus(BUS_MANAGER, &bus);
6088 if (r < 0)
6089 return r;
6090
6091 polkit_agent_open_maybe();
6092
6093 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
6094 if (r < 0)
6095 return log_error_errno(r, "Failed to expand names: %m");
6096
6097 STRV_FOREACH(name, names) {
6098 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6099
6100 q = bus_call_method(bus, bus_systemd_mgr, "ResetFailedUnit", &error, NULL, "s", *name);
6101 if (q < 0) {
6102 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6103 if (r == 0)
6104 r = q;
6105 }
6106 }
6107
6108 return r;
6109 }
6110
6111 static int print_variable(const char *s) {
6112 const char *sep;
6113 _cleanup_free_ char *esc = NULL;
6114
6115 sep = strchr(s, '=');
6116 if (!sep)
6117 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6118 "Invalid environment block");
6119
6120 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6121 if (!esc)
6122 return log_oom();
6123
6124 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6125 return 0;
6126 }
6127
6128 static int show_environment(int argc, char *argv[], void *userdata) {
6129 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6130 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6131 const char *text;
6132 sd_bus *bus;
6133 int r;
6134
6135 r = acquire_bus(BUS_MANAGER, &bus);
6136 if (r < 0)
6137 return r;
6138
6139 (void) pager_open(arg_pager_flags);
6140
6141 r = bus_get_property(bus, bus_systemd_mgr, "Environment", &error, &reply, "as");
6142 if (r < 0)
6143 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6144
6145 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6146 if (r < 0)
6147 return bus_log_parse_error(r);
6148
6149 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6150 r = print_variable(text);
6151 if (r < 0)
6152 return r;
6153 }
6154 if (r < 0)
6155 return bus_log_parse_error(r);
6156
6157 r = sd_bus_message_exit_container(reply);
6158 if (r < 0)
6159 return bus_log_parse_error(r);
6160
6161 return 0;
6162 }
6163
6164 static int switch_root(int argc, char *argv[], void *userdata) {
6165 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6166 _cleanup_free_ char *cmdline_init = NULL;
6167 const char *root, *init;
6168 sd_bus *bus;
6169 int r;
6170
6171 if (arg_transport != BUS_TRANSPORT_LOCAL)
6172 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6173
6174 if (argc < 2 || argc > 3)
6175 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6176
6177 root = argv[1];
6178
6179 if (argc >= 3)
6180 init = argv[2];
6181 else {
6182 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6183 if (r < 0)
6184 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6185
6186 init = cmdline_init;
6187 }
6188
6189 init = empty_to_null(init);
6190 if (init) {
6191 const char *root_systemd_path = NULL, *root_init_path = NULL;
6192
6193 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6194 root_init_path = prefix_roota(root, init);
6195
6196 /* If the passed init is actually the same as the
6197 * systemd binary, then let's suppress it. */
6198 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6199 init = NULL;
6200 }
6201
6202 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6203 * would exit with a failure status even though the switch to the new root has succeed. */
6204 assert(saved_argv);
6205 assert(saved_argv[0]);
6206 saved_argv[0][0] = '@';
6207
6208 r = acquire_bus(BUS_MANAGER, &bus);
6209 if (r < 0)
6210 return r;
6211
6212 /* If we are slow to exit after the root switch, the new systemd instance
6213 * will send us a signal to terminate. Just ignore it and exit normally.
6214 * This way the unit does not end up as failed.
6215 */
6216 r = ignore_signals(SIGTERM, -1);
6217 if (r < 0)
6218 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6219
6220 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6221
6222 r = bus_call_method(bus, bus_systemd_mgr, "SwitchRoot", &error, NULL, "ss", root, init);
6223 if (r < 0) {
6224 (void) default_signals(SIGTERM, -1);
6225
6226 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6227 }
6228
6229 return 0;
6230 }
6231
6232 static int log_level(int argc, char *argv[], void *userdata) {
6233 sd_bus *bus;
6234 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6235 int r;
6236
6237 r = acquire_bus(BUS_MANAGER, &bus);
6238 if (r < 0)
6239 return r;
6240
6241 if (argc == 1) {
6242 _cleanup_free_ char *level = NULL;
6243
6244 r = bus_get_property_string(bus, bus_systemd_mgr, "LogLevel", &error, &level);
6245 if (r < 0)
6246 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
6247
6248 puts(level);
6249
6250 } else {
6251 assert(argc == 2);
6252
6253 r = bus_set_property(bus, bus_systemd_mgr, "LogLevel", &error, "s", argv[1]);
6254 if (r < 0)
6255 return log_error_errno(r, "Failed to set log level: %s", bus_error_message(&error, r));
6256 }
6257
6258 return 0;
6259 }
6260
6261 static int log_target(int argc, char *argv[], void *userdata) {
6262 sd_bus *bus;
6263 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6264 int r;
6265
6266 r = acquire_bus(BUS_MANAGER, &bus);
6267 if (r < 0)
6268 return r;
6269
6270 if (argc == 1) {
6271 _cleanup_free_ char *target = NULL;
6272
6273 r = bus_get_property_string(bus, bus_systemd_mgr, "LogTarget", &error, &target);
6274 if (r < 0)
6275 return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
6276
6277 puts(target);
6278
6279 } else {
6280 assert(argc == 2);
6281
6282 r = bus_set_property(bus, bus_systemd_mgr, "LogTarget", &error, "s", argv[1]);
6283 if (r < 0)
6284 return log_error_errno(r, "Failed to set log target: %s", bus_error_message(&error, r));
6285 }
6286
6287 return 0;
6288 }
6289
6290 static int service_watchdogs(int argc, char *argv[], void *userdata) {
6291 sd_bus *bus;
6292 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6293 int b, r;
6294
6295 assert(argv);
6296
6297 r = acquire_bus(BUS_MANAGER, &bus);
6298 if (r < 0)
6299 return r;
6300
6301 if (argc == 1) {
6302 /* get ServiceWatchdogs */
6303 r = bus_get_property_trivial(bus, bus_systemd_mgr, "ServiceWatchdogs", &error, 'b', &b);
6304 if (r < 0)
6305 return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
6306
6307 printf("%s\n", yes_no(!!b));
6308
6309 } else {
6310 /* set ServiceWatchdogs */
6311 assert(argc == 2);
6312
6313 b = parse_boolean(argv[1]);
6314 if (b < 0)
6315 return log_error_errno(b, "Failed to parse service-watchdogs argument: %m");
6316
6317 r = bus_set_property(bus, bus_systemd_mgr, "ServiceWatchdogs", &error, "b", b);
6318 if (r < 0)
6319 return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
6320 }
6321
6322 return 0;
6323 }
6324
6325 static int set_environment(int argc, char *argv[], void *userdata) {
6326 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6327 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6328 const char *method;
6329 sd_bus *bus;
6330 int r;
6331
6332 assert(argc > 1);
6333 assert(argv);
6334
6335 r = acquire_bus(BUS_MANAGER, &bus);
6336 if (r < 0)
6337 return r;
6338
6339 polkit_agent_open_maybe();
6340
6341 method = streq(argv[0], "set-environment")
6342 ? "SetEnvironment"
6343 : "UnsetEnvironment";
6344
6345 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
6346 if (r < 0)
6347 return bus_log_create_error(r);
6348
6349 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6350 if (r < 0)
6351 return bus_log_create_error(r);
6352
6353 r = sd_bus_call(bus, m, 0, &error, NULL);
6354 if (r < 0)
6355 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6356
6357 return 0;
6358 }
6359
6360 static int import_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 sd_bus *bus;
6364 int r;
6365
6366 r = acquire_bus(BUS_MANAGER, &bus);
6367 if (r < 0)
6368 return r;
6369
6370 polkit_agent_open_maybe();
6371
6372 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "SetEnvironment");
6373 if (r < 0)
6374 return bus_log_create_error(r);
6375
6376 if (argc < 2)
6377 r = sd_bus_message_append_strv(m, environ);
6378 else {
6379 char **a, **b;
6380
6381 r = sd_bus_message_open_container(m, 'a', "s");
6382 if (r < 0)
6383 return bus_log_create_error(r);
6384
6385 STRV_FOREACH(a, strv_skip(argv, 1)) {
6386
6387 if (!env_name_is_valid(*a))
6388 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6389
6390 STRV_FOREACH(b, environ) {
6391 const char *eq;
6392
6393 eq = startswith(*b, *a);
6394 if (eq && *eq == '=') {
6395
6396 r = sd_bus_message_append(m, "s", *b);
6397 if (r < 0)
6398 return bus_log_create_error(r);
6399
6400 break;
6401 }
6402 }
6403 }
6404
6405 r = sd_bus_message_close_container(m);
6406 }
6407 if (r < 0)
6408 return bus_log_create_error(r);
6409
6410 r = sd_bus_call(bus, m, 0, &error, NULL);
6411 if (r < 0)
6412 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6413
6414 return 0;
6415 }
6416
6417 static int enable_sysv_units(const char *verb, char **args) {
6418 int r = 0;
6419
6420 #if HAVE_SYSV_COMPAT
6421 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6422 unsigned f = 0;
6423
6424 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6425
6426 if (arg_scope != UNIT_FILE_SYSTEM)
6427 return 0;
6428
6429 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6430 return 0;
6431
6432 if (!STR_IN_SET(verb,
6433 "enable",
6434 "disable",
6435 "is-enabled"))
6436 return 0;
6437
6438 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6439 if (r < 0)
6440 return r;
6441
6442 r = 0;
6443 while (args[f]) {
6444
6445 const char *argv[] = {
6446 ROOTLIBEXECDIR "/systemd-sysv-install",
6447 NULL, /* --root= */
6448 NULL, /* verb */
6449 NULL, /* service */
6450 NULL,
6451 };
6452
6453 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6454 bool found_native = false, found_sysv;
6455 const char *name;
6456 unsigned c = 1;
6457 pid_t pid;
6458 int j;
6459
6460 name = args[f++];
6461
6462 if (!endswith(name, ".service"))
6463 continue;
6464
6465 if (path_is_absolute(name))
6466 continue;
6467
6468 j = unit_file_exists(arg_scope, &paths, name);
6469 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6470 return log_error_errno(j, "Failed to look up unit file state: %m");
6471 found_native = j != 0;
6472
6473 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6474 * prefer the native unit */
6475 if (found_native && streq(verb, "is-enabled"))
6476 continue;
6477
6478 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6479 if (!p)
6480 return log_oom();
6481
6482 p[strlen(p) - STRLEN(".service")] = 0;
6483 found_sysv = access(p, F_OK) >= 0;
6484 if (!found_sysv)
6485 continue;
6486
6487 if (!arg_quiet) {
6488 if (found_native)
6489 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6490 else
6491 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6492 }
6493
6494 if (!isempty(arg_root)) {
6495 q = strjoin("--root=", arg_root);
6496 if (!q)
6497 return log_oom();
6498
6499 argv[c++] = q;
6500 }
6501
6502 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6503 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6504 v = strdup(verb);
6505 if (!v)
6506 return log_oom();
6507
6508 argv[c++] = v;
6509 argv[c++] = basename(p);
6510 argv[c] = NULL;
6511
6512 l = strv_join((char**)argv, " ");
6513 if (!l)
6514 return log_oom();
6515
6516 if (!arg_quiet)
6517 log_info("Executing: %s", l);
6518
6519 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6520 if (j < 0)
6521 return j;
6522 if (j == 0) {
6523 /* Child */
6524 execv(argv[0], (char**) argv);
6525 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6526 _exit(EXIT_FAILURE);
6527 }
6528
6529 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6530 if (j < 0)
6531 return j;
6532 if (streq(verb, "is-enabled")) {
6533 if (j == EXIT_SUCCESS) {
6534 if (!arg_quiet)
6535 puts("enabled");
6536 r = 1;
6537 } else {
6538 if (!arg_quiet)
6539 puts("disabled");
6540 }
6541
6542 } else if (j != EXIT_SUCCESS)
6543 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6544
6545 if (found_native)
6546 continue;
6547
6548 /* Remove this entry, so that we don't try enabling it as native unit */
6549 assert(f > 0);
6550 f--;
6551 assert(args[f] == name);
6552 strv_remove(args + f, name);
6553 }
6554
6555 #endif
6556 return r;
6557 }
6558
6559 static int mangle_names(const char *operation, char **original_names, char ***mangled_names) {
6560 char **i, **l, **name;
6561 int r;
6562
6563 l = i = new(char*, strv_length(original_names) + 1);
6564 if (!l)
6565 return log_oom();
6566
6567 STRV_FOREACH(name, original_names) {
6568
6569 /* When enabling units qualified path names are OK,
6570 * too, hence allow them explicitly. */
6571
6572 if (is_path(*name)) {
6573 *i = strdup(*name);
6574 if (!*i) {
6575 strv_free(l);
6576 return log_oom();
6577 }
6578 } else {
6579 r = unit_name_mangle_with_suffix(*name, operation,
6580 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
6581 ".service", i);
6582 if (r < 0) {
6583 *i = NULL;
6584 strv_free(l);
6585 return log_error_errno(r, "Failed to mangle unit name: %m");
6586 }
6587 }
6588
6589 i++;
6590 }
6591
6592 *i = NULL;
6593 *mangled_names = l;
6594
6595 return 0;
6596 }
6597
6598 static int normalize_filenames(char **names) {
6599 char **u;
6600 int r;
6601
6602 STRV_FOREACH(u, names)
6603 if (!path_is_absolute(*u)) {
6604 char* normalized_path;
6605
6606 if (!isempty(arg_root))
6607 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6608 "Non-absolute paths are not allowed when --root is used: %s",
6609 *u);
6610
6611 if (!strchr(*u,'/'))
6612 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6613 "Link argument does contain at least one directory separator: %s",
6614 *u);
6615
6616 r = path_make_absolute_cwd(*u, &normalized_path);
6617 if (r < 0)
6618 return r;
6619
6620 free_and_replace(*u, normalized_path);
6621 }
6622
6623 return 0;
6624 }
6625
6626 static int normalize_names(char **names, bool warn_if_path) {
6627 char **u;
6628 bool was_path = false;
6629
6630 STRV_FOREACH(u, names) {
6631 int r;
6632
6633 if (!is_path(*u))
6634 continue;
6635
6636 r = free_and_strdup(u, basename(*u));
6637 if (r < 0)
6638 return log_error_errno(r, "Failed to normalize unit file path: %m");
6639
6640 was_path = true;
6641 }
6642
6643 if (warn_if_path && was_path)
6644 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6645
6646 return 0;
6647 }
6648
6649 static int unit_exists(LookupPaths *lp, const char *unit) {
6650 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6651 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6652 _cleanup_free_ char *path = NULL;
6653 static const struct bus_properties_map property_map[] = {
6654 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6655 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6656 {},
6657 };
6658 UnitStatusInfo info = {};
6659 sd_bus *bus;
6660 int r;
6661
6662 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6663 return unit_find_template_path(unit, lp, NULL, NULL);
6664
6665 path = unit_dbus_path_from_name(unit);
6666 if (!path)
6667 return log_oom();
6668
6669 r = acquire_bus(BUS_MANAGER, &bus);
6670 if (r < 0)
6671 return r;
6672
6673 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6674 if (r < 0)
6675 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6676
6677 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6678 }
6679
6680 static int enable_unit(int argc, char *argv[], void *userdata) {
6681 _cleanup_strv_free_ char **names = NULL;
6682 const char *verb = argv[0];
6683 UnitFileChange *changes = NULL;
6684 size_t n_changes = 0;
6685 int carries_install_info = -1;
6686 bool ignore_carries_install_info = arg_quiet;
6687 int r;
6688
6689 if (!argv[1])
6690 return 0;
6691
6692 r = mangle_names("to enable", strv_skip(argv, 1), &names);
6693 if (r < 0)
6694 return r;
6695
6696 r = enable_sysv_units(verb, names);
6697 if (r < 0)
6698 return r;
6699
6700 /* If the operation was fully executed by the SysV compat, let's finish early */
6701 if (strv_isempty(names)) {
6702 if (arg_no_reload || install_client_side())
6703 return 0;
6704 return daemon_reload(argc, argv, userdata);
6705 }
6706
6707 if (streq(verb, "disable")) {
6708 r = normalize_names(names, true);
6709 if (r < 0)
6710 return r;
6711 }
6712
6713 if (streq(verb, "link")) {
6714 r = normalize_filenames(names);
6715 if (r < 0)
6716 return r;
6717 }
6718
6719 if (install_client_side()) {
6720 UnitFileFlags flags;
6721
6722 flags = args_to_flags();
6723 if (streq(verb, "enable")) {
6724 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6725 carries_install_info = r;
6726 } else if (streq(verb, "disable"))
6727 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6728 else if (streq(verb, "reenable")) {
6729 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6730 carries_install_info = r;
6731 } else if (streq(verb, "link"))
6732 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6733 else if (streq(verb, "preset")) {
6734 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6735 } else if (streq(verb, "mask"))
6736 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6737 else if (streq(verb, "unmask"))
6738 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6739 else if (streq(verb, "revert"))
6740 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6741 else
6742 assert_not_reached("Unknown verb");
6743
6744 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6745 if (r < 0)
6746 goto finish;
6747 r = 0;
6748 } else {
6749 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6750 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6751 bool expect_carries_install_info = false;
6752 bool send_runtime = true, send_force = true, send_preset_mode = false;
6753 const char *method;
6754 sd_bus *bus;
6755
6756 if (STR_IN_SET(verb, "mask", "unmask")) {
6757 char **name;
6758 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6759
6760 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6761 if (r < 0)
6762 return r;
6763
6764 STRV_FOREACH(name, names) {
6765 r = unit_exists(&lp, *name);
6766 if (r < 0)
6767 return r;
6768 if (r == 0)
6769 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6770 }
6771 }
6772
6773 r = acquire_bus(BUS_MANAGER, &bus);
6774 if (r < 0)
6775 return r;
6776
6777 polkit_agent_open_maybe();
6778
6779 if (streq(verb, "enable")) {
6780 method = "EnableUnitFiles";
6781 expect_carries_install_info = true;
6782 } else if (streq(verb, "disable")) {
6783 method = "DisableUnitFiles";
6784 send_force = false;
6785 } else if (streq(verb, "reenable")) {
6786 method = "ReenableUnitFiles";
6787 expect_carries_install_info = true;
6788 } else if (streq(verb, "link"))
6789 method = "LinkUnitFiles";
6790 else if (streq(verb, "preset")) {
6791
6792 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6793 method = "PresetUnitFilesWithMode";
6794 send_preset_mode = true;
6795 } else
6796 method = "PresetUnitFiles";
6797
6798 expect_carries_install_info = true;
6799 ignore_carries_install_info = true;
6800 } else if (streq(verb, "mask"))
6801 method = "MaskUnitFiles";
6802 else if (streq(verb, "unmask")) {
6803 method = "UnmaskUnitFiles";
6804 send_force = false;
6805 } else if (streq(verb, "revert")) {
6806 method = "RevertUnitFiles";
6807 send_runtime = send_force = false;
6808 } else
6809 assert_not_reached("Unknown verb");
6810
6811 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method);
6812 if (r < 0)
6813 return bus_log_create_error(r);
6814
6815 r = sd_bus_message_append_strv(m, names);
6816 if (r < 0)
6817 return bus_log_create_error(r);
6818
6819 if (send_preset_mode) {
6820 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6821 if (r < 0)
6822 return bus_log_create_error(r);
6823 }
6824
6825 if (send_runtime) {
6826 r = sd_bus_message_append(m, "b", arg_runtime);
6827 if (r < 0)
6828 return bus_log_create_error(r);
6829 }
6830
6831 if (send_force) {
6832 r = sd_bus_message_append(m, "b", arg_force);
6833 if (r < 0)
6834 return bus_log_create_error(r);
6835 }
6836
6837 r = sd_bus_call(bus, m, 0, &error, &reply);
6838 if (r < 0)
6839 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6840
6841 if (expect_carries_install_info) {
6842 r = sd_bus_message_read(reply, "b", &carries_install_info);
6843 if (r < 0)
6844 return bus_log_parse_error(r);
6845 }
6846
6847 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6848 if (r < 0)
6849 goto finish;
6850
6851 /* Try to reload if enabled */
6852 if (!arg_no_reload)
6853 r = daemon_reload(argc, argv, userdata);
6854 else
6855 r = 0;
6856 }
6857
6858 if (carries_install_info == 0 && !ignore_carries_install_info)
6859 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6860 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6861 "units). This means they are not meant to be enabled using systemctl.\n"
6862 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6863 "Possible reasons for having this kind of units are:\n"
6864 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6865 " .wants/ or .requires/ directory.\n"
6866 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6867 " a requirement dependency on it.\n"
6868 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6869 " D-Bus, udev, scripted systemctl call, ...).\n"
6870 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6871 " instance name specified.",
6872 special_glyph(SPECIAL_GLYPH_BULLET));
6873
6874 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6875 sd_bus *bus;
6876 size_t len, i;
6877
6878 r = acquire_bus(BUS_MANAGER, &bus);
6879 if (r < 0)
6880 goto finish;
6881
6882 len = strv_length(names);
6883 {
6884 char *new_args[len + 2];
6885
6886 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6887 for (i = 0; i < len; i++)
6888 new_args[i + 1] = basename(names[i]);
6889 new_args[i + 1] = NULL;
6890
6891 r = start_unit(len + 1, new_args, userdata);
6892 }
6893 }
6894
6895 finish:
6896 unit_file_changes_free(changes, n_changes);
6897
6898 return r;
6899 }
6900
6901 static int add_dependency(int argc, char *argv[], void *userdata) {
6902 _cleanup_strv_free_ char **names = NULL;
6903 _cleanup_free_ char *target = NULL;
6904 const char *verb = argv[0];
6905 UnitFileChange *changes = NULL;
6906 size_t n_changes = 0;
6907 UnitDependency dep;
6908 int r = 0;
6909
6910 if (!argv[1])
6911 return 0;
6912
6913 r = unit_name_mangle_with_suffix(argv[1], "as target",
6914 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
6915 ".target", &target);
6916 if (r < 0)
6917 return log_error_errno(r, "Failed to mangle unit name: %m");
6918
6919 r = mangle_names("as dependency", strv_skip(argv, 2), &names);
6920 if (r < 0)
6921 return r;
6922
6923 if (streq(verb, "add-wants"))
6924 dep = UNIT_WANTS;
6925 else if (streq(verb, "add-requires"))
6926 dep = UNIT_REQUIRES;
6927 else
6928 assert_not_reached("Unknown verb");
6929
6930 if (install_client_side()) {
6931 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6932 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6933
6934 if (r > 0)
6935 r = 0;
6936 } else {
6937 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6938 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6939 sd_bus *bus;
6940
6941 r = acquire_bus(BUS_MANAGER, &bus);
6942 if (r < 0)
6943 return r;
6944
6945 polkit_agent_open_maybe();
6946
6947 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "AddDependencyUnitFiles");
6948 if (r < 0)
6949 return bus_log_create_error(r);
6950
6951 r = sd_bus_message_append_strv(m, names);
6952 if (r < 0)
6953 return bus_log_create_error(r);
6954
6955 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6956 if (r < 0)
6957 return bus_log_create_error(r);
6958
6959 r = sd_bus_call(bus, m, 0, &error, &reply);
6960 if (r < 0)
6961 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6962
6963 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6964 if (r < 0)
6965 goto finish;
6966
6967 if (arg_no_reload) {
6968 r = 0;
6969 goto finish;
6970 }
6971
6972 r = daemon_reload(argc, argv, userdata);
6973 }
6974
6975 finish:
6976 unit_file_changes_free(changes, n_changes);
6977
6978 return r;
6979 }
6980
6981 static int preset_all(int argc, char *argv[], void *userdata) {
6982 UnitFileChange *changes = NULL;
6983 size_t n_changes = 0;
6984 int r;
6985
6986 if (install_client_side()) {
6987 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6988 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6989
6990 if (r > 0)
6991 r = 0;
6992 } else {
6993 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6994 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6995 sd_bus *bus;
6996
6997 r = acquire_bus(BUS_MANAGER, &bus);
6998 if (r < 0)
6999 return r;
7000
7001 polkit_agent_open_maybe();
7002
7003 r = bus_call_method(
7004 bus,
7005 bus_systemd_mgr,
7006 "PresetAllUnitFiles",
7007 &error,
7008 &reply,
7009 "sbb",
7010 unit_file_preset_mode_to_string(arg_preset_mode),
7011 arg_runtime,
7012 arg_force);
7013 if (r < 0)
7014 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
7015
7016 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7017 if (r < 0)
7018 goto finish;
7019
7020 if (arg_no_reload) {
7021 r = 0;
7022 goto finish;
7023 }
7024
7025 r = daemon_reload(argc, argv, userdata);
7026 }
7027
7028 finish:
7029 unit_file_changes_free(changes, n_changes);
7030
7031 return r;
7032 }
7033
7034 static int show_installation_targets_client_side(const char *name) {
7035 UnitFileChange *changes = NULL;
7036 size_t n_changes = 0, i;
7037 UnitFileFlags flags;
7038 char **p;
7039 int r;
7040
7041 p = STRV_MAKE(name);
7042 flags = UNIT_FILE_DRY_RUN |
7043 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7044
7045 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7046 if (r < 0)
7047 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7048
7049 for (i = 0; i < n_changes; i++)
7050 if (changes[i].type == UNIT_FILE_UNLINK)
7051 printf(" %s\n", changes[i].path);
7052
7053 return 0;
7054 }
7055
7056 static int show_installation_targets(sd_bus *bus, const char *name) {
7057 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7058 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7059 const char *link;
7060 int r;
7061
7062 r = bus_call_method(bus, bus_systemd_mgr, "GetUnitFileLinks", &error, &reply, "sb", name, arg_runtime);
7063 if (r < 0)
7064 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7065
7066 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7067 if (r < 0)
7068 return bus_log_parse_error(r);
7069
7070 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7071 printf(" %s\n", link);
7072
7073 if (r < 0)
7074 return bus_log_parse_error(r);
7075
7076 r = sd_bus_message_exit_container(reply);
7077 if (r < 0)
7078 return bus_log_parse_error(r);
7079
7080 return 0;
7081 }
7082
7083 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7084 _cleanup_strv_free_ char **names = NULL;
7085 bool enabled;
7086 char **name;
7087 int r;
7088
7089 r = mangle_names("to check", strv_skip(argv, 1), &names);
7090 if (r < 0)
7091 return r;
7092
7093 r = enable_sysv_units(argv[0], names);
7094 if (r < 0)
7095 return r;
7096
7097 enabled = r > 0;
7098
7099 if (install_client_side()) {
7100 STRV_FOREACH(name, names) {
7101 UnitFileState state;
7102
7103 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7104 if (r < 0)
7105 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7106
7107 if (IN_SET(state,
7108 UNIT_FILE_ENABLED,
7109 UNIT_FILE_ENABLED_RUNTIME,
7110 UNIT_FILE_STATIC,
7111 UNIT_FILE_ALIAS,
7112 UNIT_FILE_INDIRECT,
7113 UNIT_FILE_GENERATED))
7114 enabled = true;
7115
7116 if (!arg_quiet) {
7117 puts(unit_file_state_to_string(state));
7118 if (arg_full) {
7119 r = show_installation_targets_client_side(*name);
7120 if (r < 0)
7121 return r;
7122 }
7123 }
7124 }
7125
7126 r = 0;
7127 } else {
7128 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7129 sd_bus *bus;
7130
7131 r = acquire_bus(BUS_MANAGER, &bus);
7132 if (r < 0)
7133 return r;
7134
7135 STRV_FOREACH(name, names) {
7136 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7137 const char *s;
7138
7139 r = bus_call_method(bus, bus_systemd_mgr, "GetUnitFileState", &error, &reply, "s", *name);
7140 if (r < 0)
7141 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7142
7143 r = sd_bus_message_read(reply, "s", &s);
7144 if (r < 0)
7145 return bus_log_parse_error(r);
7146
7147 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7148 enabled = true;
7149
7150 if (!arg_quiet) {
7151 puts(s);
7152 if (arg_full) {
7153 r = show_installation_targets(bus, *name);
7154 if (r < 0)
7155 return r;
7156 }
7157 }
7158 }
7159 }
7160
7161 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7162 }
7163
7164 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7165 char **state = userdata;
7166 int r;
7167
7168 assert(state);
7169
7170 r = bus_get_property_string(sd_bus_message_get_bus(m), bus_systemd_mgr, "SystemState", NULL, state);
7171
7172 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7173 return 0;
7174 }
7175
7176 static int is_system_running(int argc, char *argv[], void *userdata) {
7177 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7178 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7179 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7180 _cleanup_free_ char *state = NULL;
7181 sd_bus *bus;
7182 int r;
7183
7184 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7185 if (!arg_quiet)
7186 puts("offline");
7187 return EXIT_FAILURE;
7188 }
7189
7190 r = acquire_bus(BUS_MANAGER, &bus);
7191 if (r < 0)
7192 return r;
7193
7194 if (arg_wait) {
7195 r = sd_event_default(&event);
7196 if (r >= 0)
7197 r = sd_bus_attach_event(bus, event, 0);
7198 if (r >= 0)
7199 r = bus_match_signal_async(
7200 bus,
7201 &slot_startup_finished,
7202 bus_systemd_mgr,
7203 "StartupFinished",
7204 match_startup_finished, NULL, &state);
7205 if (r < 0) {
7206 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7207 arg_wait = false;
7208 }
7209 }
7210
7211 r = bus_get_property_string(bus, bus_systemd_mgr, "SystemState", &error, &state);
7212 if (r < 0) {
7213 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7214
7215 if (!arg_quiet)
7216 puts("unknown");
7217 return EXIT_FAILURE;
7218 }
7219
7220 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7221 r = sd_event_loop(event);
7222 if (r < 0) {
7223 log_warning_errno(r, "Failed to get property from event loop: %m");
7224 if (!arg_quiet)
7225 puts("unknown");
7226 return EXIT_FAILURE;
7227 }
7228 }
7229
7230 if (!arg_quiet)
7231 puts(state);
7232
7233 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7234 }
7235
7236 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7237 _cleanup_free_ char *t = NULL;
7238 int r;
7239
7240 assert(new_path);
7241 assert(original_path);
7242 assert(ret_tmp_fn);
7243
7244 r = tempfn_random(new_path, NULL, &t);
7245 if (r < 0)
7246 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7247
7248 r = mkdir_parents(new_path, 0755);
7249 if (r < 0)
7250 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7251
7252 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7253 if (r == -ENOENT) {
7254
7255 r = touch(t);
7256 if (r < 0)
7257 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7258
7259 } else if (r < 0)
7260 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7261
7262 *ret_tmp_fn = TAKE_PTR(t);
7263
7264 return 0;
7265 }
7266
7267 static int get_file_to_edit(
7268 const LookupPaths *paths,
7269 const char *name,
7270 char **ret_path) {
7271
7272 _cleanup_free_ char *path = NULL, *run = NULL;
7273
7274 assert(name);
7275 assert(ret_path);
7276
7277 path = path_join(paths->persistent_config, name);
7278 if (!path)
7279 return log_oom();
7280
7281 if (arg_runtime) {
7282 run = path_join(paths->runtime_config, name);
7283 if (!run)
7284 return log_oom();
7285 }
7286
7287 if (arg_runtime) {
7288 if (access(path, F_OK) >= 0)
7289 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7290 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7291 run, path);
7292
7293 *ret_path = TAKE_PTR(run);
7294 } else
7295 *ret_path = TAKE_PTR(path);
7296
7297 return 0;
7298 }
7299
7300 static int unit_file_create_new(
7301 const LookupPaths *paths,
7302 const char *unit_name,
7303 const char *suffix,
7304 char **ret_new_path,
7305 char **ret_tmp_path) {
7306
7307 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7308 const char *ending;
7309 int r;
7310
7311 assert(unit_name);
7312 assert(ret_new_path);
7313 assert(ret_tmp_path);
7314
7315 ending = strjoina(unit_name, suffix);
7316 r = get_file_to_edit(paths, ending, &new_path);
7317 if (r < 0)
7318 return r;
7319
7320 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7321 if (r < 0)
7322 return r;
7323
7324 *ret_new_path = TAKE_PTR(new_path);
7325 *ret_tmp_path = TAKE_PTR(tmp_path);
7326
7327 return 0;
7328 }
7329
7330 static int unit_file_create_copy(
7331 const LookupPaths *paths,
7332 const char *unit_name,
7333 const char *fragment_path,
7334 char **ret_new_path,
7335 char **ret_tmp_path) {
7336
7337 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7338 int r;
7339
7340 assert(fragment_path);
7341 assert(unit_name);
7342 assert(ret_new_path);
7343 assert(ret_tmp_path);
7344
7345 r = get_file_to_edit(paths, unit_name, &new_path);
7346 if (r < 0)
7347 return r;
7348
7349 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7350 char response;
7351
7352 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7353 if (r < 0)
7354 return r;
7355 if (response != 'y')
7356 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7357 }
7358
7359 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7360 if (r < 0)
7361 return r;
7362
7363 *ret_new_path = TAKE_PTR(new_path);
7364 *ret_tmp_path = TAKE_PTR(tmp_path);
7365
7366 return 0;
7367 }
7368
7369 static int run_editor(char **paths) {
7370 int r;
7371
7372 assert(paths);
7373
7374 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7375 if (r < 0)
7376 return r;
7377 if (r == 0) {
7378 char **editor_args = NULL, **tmp_path, **original_path;
7379 size_t n_editor_args = 0, i = 1, argc;
7380 const char **args, *editor, *p;
7381
7382 argc = strv_length(paths)/2 + 1;
7383
7384 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7385 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7386 * we try to execute well known editors
7387 */
7388 editor = getenv("SYSTEMD_EDITOR");
7389 if (!editor)
7390 editor = getenv("EDITOR");
7391 if (!editor)
7392 editor = getenv("VISUAL");
7393
7394 if (!isempty(editor)) {
7395 editor_args = strv_split(editor, WHITESPACE);
7396 if (!editor_args) {
7397 (void) log_oom();
7398 _exit(EXIT_FAILURE);
7399 }
7400 n_editor_args = strv_length(editor_args);
7401 argc += n_editor_args - 1;
7402 }
7403
7404 args = newa(const char*, argc + 1);
7405
7406 if (n_editor_args > 0) {
7407 args[0] = editor_args[0];
7408 for (; i < n_editor_args; i++)
7409 args[i] = editor_args[i];
7410 }
7411
7412 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7413 args[i++] = *tmp_path;
7414 args[i] = NULL;
7415
7416 if (n_editor_args > 0)
7417 execvp(args[0], (char* const*) args);
7418
7419 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7420 args[0] = p;
7421 execvp(p, (char* const*) args);
7422 /* We do not fail if the editor doesn't exist
7423 * because we want to try each one of them before
7424 * failing.
7425 */
7426 if (errno != ENOENT) {
7427 log_error_errno(errno, "Failed to execute %s: %m", editor);
7428 _exit(EXIT_FAILURE);
7429 }
7430 }
7431
7432 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7433 _exit(EXIT_FAILURE);
7434 }
7435
7436 return 0;
7437 }
7438
7439 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7440 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7441 char **name;
7442 int r;
7443
7444 assert(names);
7445 assert(paths);
7446
7447 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7448 if (r < 0)
7449 return r;
7450
7451 STRV_FOREACH(name, names) {
7452 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7453 const char *unit_name;
7454
7455 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7456 if (r == -EKEYREJECTED) {
7457 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7458 * file path. In that case, find the file client side. */
7459 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7460 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7461 }
7462 if (r == -ERFKILL)
7463 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7464 if (r < 0)
7465 return r;
7466
7467 if (r == 0) {
7468 assert(!path);
7469
7470 if (!arg_force) {
7471 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7472 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7473 arg_scope == UNIT_FILE_USER ? " --user" : "",
7474 *name);
7475 return -ENOENT;
7476 }
7477
7478 /* Create a new unit from scratch */
7479 unit_name = *name;
7480 r = unit_file_create_new(&lp, unit_name,
7481 arg_full ? NULL : ".d/override.conf",
7482 &new_path, &tmp_path);
7483 } else {
7484 assert(path);
7485
7486 unit_name = basename(path);
7487 /* We follow unit aliases, but we need to propagate the instance */
7488 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7489 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7490 _cleanup_free_ char *instance = NULL;
7491
7492 r = unit_name_to_instance(*name, &instance);
7493 if (r < 0)
7494 return r;
7495
7496 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7497 if (r < 0)
7498 return r;
7499
7500 unit_name = tmp_name;
7501 }
7502
7503 if (arg_full)
7504 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7505 else
7506 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7507 }
7508 if (r < 0)
7509 return r;
7510
7511 r = strv_push_pair(paths, new_path, tmp_path);
7512 if (r < 0)
7513 return log_oom();
7514
7515 new_path = tmp_path = NULL;
7516 }
7517
7518 return 0;
7519 }
7520
7521 static int edit(int argc, char *argv[], void *userdata) {
7522 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7523 _cleanup_strv_free_ char **names = NULL;
7524 _cleanup_strv_free_ char **paths = NULL;
7525 char **original, **tmp;
7526 sd_bus *bus;
7527 int r;
7528
7529 if (!on_tty())
7530 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7531
7532 if (arg_transport != BUS_TRANSPORT_LOCAL)
7533 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7534
7535 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7536 if (r < 0)
7537 return log_error_errno(r, "Failed to determine unit paths: %m");
7538
7539 r = acquire_bus(BUS_MANAGER, &bus);
7540 if (r < 0)
7541 return r;
7542
7543 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
7544 if (r < 0)
7545 return log_error_errno(r, "Failed to expand names: %m");
7546
7547 STRV_FOREACH(tmp, names) {
7548 r = unit_is_masked(bus, &lp, *tmp);
7549 if (r < 0)
7550 return r;
7551 if (r > 0)
7552 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7553 }
7554
7555 r = find_paths_to_edit(bus, names, &paths);
7556 if (r < 0)
7557 return r;
7558
7559 if (strv_isempty(paths))
7560 return -ENOENT;
7561
7562 r = run_editor(paths);
7563 if (r < 0)
7564 goto end;
7565
7566 STRV_FOREACH_PAIR(original, tmp, paths) {
7567 /* If the temporary file is empty we ignore it.
7568 * This allows the user to cancel the modification.
7569 */
7570 if (null_or_empty_path(*tmp)) {
7571 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7572 continue;
7573 }
7574
7575 r = rename(*tmp, *original);
7576 if (r < 0) {
7577 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7578 goto end;
7579 }
7580 }
7581
7582 r = 0;
7583
7584 if (!arg_no_reload && !install_client_side())
7585 r = daemon_reload(argc, argv, userdata);
7586
7587 end:
7588 STRV_FOREACH_PAIR(original, tmp, paths) {
7589 (void) unlink(*tmp);
7590
7591 /* Removing empty dropin dirs */
7592 if (!arg_full) {
7593 _cleanup_free_ char *dir;
7594
7595 dir = dirname_malloc(*original);
7596 if (!dir)
7597 return log_oom();
7598
7599 /* no need to check if the dir is empty, rmdir
7600 * does nothing if it is not the case.
7601 */
7602 (void) rmdir(dir);
7603 }
7604 }
7605
7606 return r;
7607 }
7608
7609 static int systemctl_help(void) {
7610 _cleanup_free_ char *link = NULL;
7611 int r;
7612
7613 (void) pager_open(arg_pager_flags);
7614
7615 r = terminal_urlify_man("systemctl", "1", &link);
7616 if (r < 0)
7617 return log_oom();
7618
7619 printf("%1$s [OPTIONS...] COMMAND ...\n\n"
7620 "%5$sQuery or send control commands to the system manager.%6$s\n"
7621 "\n%3$sUnit Commands:%4$s\n"
7622 " list-units [PATTERN...] List units currently in memory\n"
7623 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7624 " ordered by address\n"
7625 " list-timers [PATTERN...] List timer units currently in memory,\n"
7626 " ordered by next elapse\n"
7627 " start UNIT... Start (activate) one or more units\n"
7628 " stop UNIT... Stop (deactivate) one or more units\n"
7629 " reload UNIT... Reload one or more units\n"
7630 " restart UNIT... Start or restart one or more units\n"
7631 " try-restart UNIT... Restart one or more units if active\n"
7632 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7633 " otherwise start or restart\n"
7634 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7635 " if supported, otherwise restart\n"
7636 " isolate UNIT Start one unit and stop all others\n"
7637 " kill UNIT... Send signal to processes of a unit\n"
7638 " clean UNIT... Clean runtime, cache, state, logs or\n"
7639 " configuration of unit\n"
7640 " freeze PATTERN... Freeze execution of unit processes\n"
7641 " thaw PATTERN... Resume execution of a frozen unit\n"
7642 " is-active PATTERN... Check whether units are active\n"
7643 " is-failed PATTERN... Check whether units are failed\n"
7644 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7645 " show [PATTERN...|JOB...] Show properties of one or more\n"
7646 " units/jobs or the manager\n"
7647 " cat PATTERN... Show files and drop-ins of specified units\n"
7648 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7649 " help PATTERN...|PID... Show manual for one or more units\n"
7650 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7651 " units\n"
7652 " list-dependencies [UNIT...] Recursively show units which are required\n"
7653 " or wanted by the units or by which those\n"
7654 " units are required or wanted"
7655 "\n%3$sUnit File Commands:%4$s\n"
7656 " list-unit-files [PATTERN...] List installed unit files\n"
7657 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7658 " disable UNIT... Disable one or more unit files\n"
7659 " reenable UNIT... Reenable one or more unit files\n"
7660 " preset UNIT... Enable/disable one or more unit files\n"
7661 " based on preset configuration\n"
7662 " preset-all Enable/disable all unit files based on\n"
7663 " preset configuration\n"
7664 " is-enabled UNIT... Check whether unit files are enabled\n"
7665 " mask UNIT... Mask one or more units\n"
7666 " unmask UNIT... Unmask one or more units\n"
7667 " link PATH... Link one or more units files into\n"
7668 " the search path\n"
7669 " revert UNIT... Revert one or more unit files to vendor\n"
7670 " version\n"
7671 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7672 " on specified one or more units\n"
7673 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7674 " on specified one or more units\n"
7675 " edit UNIT... Edit one or more unit files\n"
7676 " get-default Get the name of the default target\n"
7677 " set-default TARGET Set the default target\n"
7678 "\n%3$sMachine Commands:%4$s\n"
7679 " list-machines [PATTERN...] List local containers and host\n"
7680 "\n%3$sJob Commands:%4$s\n"
7681 " list-jobs [PATTERN...] List jobs\n"
7682 " cancel [JOB...] Cancel all, one, or more jobs\n"
7683 "\n%3$sEnvironment Commands:%4$s\n"
7684 " show-environment Dump environment\n"
7685 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7686 " unset-environment VARIABLE... Unset one or more environment variables\n"
7687 " import-environment [VARIABLE...] Import all or some environment variables\n"
7688 "\n%3$sManager State Commands:%4$s\n"
7689 " daemon-reload Reload systemd manager configuration\n"
7690 " daemon-reexec Reexecute systemd manager\n"
7691 " log-level [LEVEL] Get/set logging threshold for manager\n"
7692 " log-target [TARGET] Get/set logging target for manager\n"
7693 " service-watchdogs [BOOL] Get/set service watchdog state\n"
7694 "\n%3$sSystem Commands:%4$s\n"
7695 " is-system-running Check whether system is fully running\n"
7696 " default Enter system default mode\n"
7697 " rescue Enter system rescue mode\n"
7698 " emergency Enter system emergency mode\n"
7699 " halt Shut down and halt the system\n"
7700 " poweroff Shut down and power-off the system\n"
7701 " reboot Shut down and reboot the system\n"
7702 " kexec Shut down and reboot the system with kexec\n"
7703 " exit [EXIT_CODE] Request user instance or container exit\n"
7704 " switch-root ROOT [INIT] Change to a different root file system\n"
7705 " suspend Suspend the system\n"
7706 " hibernate Hibernate the system\n"
7707 " hybrid-sleep Hibernate and suspend the system\n"
7708 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7709 " time, and hibernate"
7710 "\n%3$sOptions:%4$s\n"
7711 " -h --help Show this help\n"
7712 " --version Show package version\n"
7713 " --system Connect to system manager\n"
7714 " --user Connect to user service manager\n"
7715 " -H --host=[USER@]HOST Operate on remote host\n"
7716 " -M --machine=CONTAINER Operate on a local container\n"
7717 " -t --type=TYPE List units of a particular type\n"
7718 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7719 " --failed Shorcut for --state=failed\n"
7720 " -p --property=NAME Show only properties by this name\n"
7721 " -P NAME Equivalent to --value --property=NAME\n"
7722 " -a --all Show all properties/all units currently in memory,\n"
7723 " including dead/empty ones. To list all units installed\n"
7724 " on the system, use 'list-unit-files' instead.\n"
7725 " -l --full Don't ellipsize unit names on output\n"
7726 " -r --recursive Show unit list of host and local containers\n"
7727 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7728 " --with-dependencies Show unit dependencies with 'status', 'cat',\n"
7729 " 'list-units', and 'list-unit-files'.\n"
7730 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7731 " queueing a new job\n"
7732 " -T --show-transaction When enqueuing a unit job, show full transaction\n"
7733 " --show-types When showing sockets, explicitly show their type\n"
7734 " --value When showing properties, only print the value\n"
7735 " -i --ignore-inhibitors When shutting down or sleeping, ignore inhibitors\n"
7736 " --kill-who=WHO Whom to send signal to\n"
7737 " -s --signal=SIGNAL Which signal to send\n"
7738 " --what=RESOURCES Which types of resources to remove\n"
7739 " --now Start or stop unit after enabling or disabling it\n"
7740 " --dry-run Only print what would be done\n"
7741 " Currently supported by verbs: halt, poweroff, reboot,\n"
7742 " kexec, suspend, hibernate, suspend-then-hibernate,\n"
7743 " hybrid-sleep, default, rescue, emergency, and exit.\n"
7744 " -q --quiet Suppress output\n"
7745 " --wait For (re)start, wait until service stopped again\n"
7746 " For is-system-running, wait until startup is completed\n"
7747 " --no-block Do not wait until operation finished\n"
7748 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7749 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7750 " --no-legend Do not print a legend (column headers and hints)\n"
7751 " --no-pager Do not pipe output into a pager\n"
7752 " --no-ask-password Do not ask for system passwords\n"
7753 " --global Enable/disable/mask unit files globally\n"
7754 " --runtime Enable/disable/mask unit files temporarily until next\n"
7755 " reboot\n"
7756 " -f --force When enabling unit files, override existing symlinks\n"
7757 " When shutting down, execute action immediately\n"
7758 " --preset-mode= Apply only enable, only disable, or all presets\n"
7759 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7760 " directory\n"
7761 " -n --lines=INTEGER Number of journal entries to show\n"
7762 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7763 " short-iso, short-iso-precise, short-full,\n"
7764 " short-monotonic, short-unix,\n"
7765 " verbose, export, json, json-pretty, json-sse, cat)\n"
7766 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7767 " --boot-loader-menu=TIME\n"
7768 " Boot into boot loader menu on next boot\n"
7769 " --boot-loader-entry=NAME\n"
7770 " Boot into a specific boot loader entry on next boot\n"
7771 " --plain Print unit dependencies as a list instead of a tree\n"
7772 "\nSee the %2$s for details.\n"
7773 , program_invocation_short_name
7774 , link
7775 , ansi_underline(), ansi_normal()
7776 , ansi_highlight(), ansi_normal()
7777 );
7778
7779 return 0;
7780 }
7781
7782 static int halt_help(void) {
7783 _cleanup_free_ char *link = NULL;
7784 int r;
7785
7786 r = terminal_urlify_man("halt", "8", &link);
7787 if (r < 0)
7788 return log_oom();
7789
7790 printf("%s [OPTIONS...]%s\n"
7791 "\n%s%s the system.%s\n"
7792 "\nOptions:\n"
7793 " --help Show this help\n"
7794 " --halt Halt the machine\n"
7795 " -p --poweroff Switch off the machine\n"
7796 " --reboot Reboot the machine\n"
7797 " -f --force Force immediate halt/power-off/reboot\n"
7798 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7799 " -d --no-wtmp Don't write wtmp record\n"
7800 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7801 "\nSee the %s for details.\n"
7802 , program_invocation_short_name
7803 , arg_action == ACTION_REBOOT ? " [ARG]" : ""
7804 , ansi_highlight()
7805 , arg_action == ACTION_REBOOT ? "Reboot" :
7806 arg_action == ACTION_POWEROFF ? "Power off" :
7807 "Halt"
7808 , ansi_normal()
7809 , link
7810 );
7811
7812 return 0;
7813 }
7814
7815 static int shutdown_help(void) {
7816 _cleanup_free_ char *link = NULL;
7817 int r;
7818
7819 r = terminal_urlify_man("shutdown", "8", &link);
7820 if (r < 0)
7821 return log_oom();
7822
7823 printf("%s [OPTIONS...] [TIME] [WALL...]\n"
7824 "\n%sShut down the system.%s\n"
7825 "\nOptions:\n"
7826 " --help Show this help\n"
7827 " -H --halt Halt the machine\n"
7828 " -P --poweroff Power-off the machine\n"
7829 " -r --reboot Reboot the machine\n"
7830 " -h Equivalent to --poweroff, overridden by --halt\n"
7831 " -k Don't halt/power-off/reboot, just send warnings\n"
7832 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7833 " -c Cancel a pending shutdown\n"
7834 "\nSee the %s for details.\n"
7835 , program_invocation_short_name
7836 , ansi_highlight(), ansi_normal()
7837 , link
7838 );
7839
7840 return 0;
7841 }
7842
7843 static int telinit_help(void) {
7844 _cleanup_free_ char *link = NULL;
7845 int r;
7846
7847 r = terminal_urlify_man("telinit", "8", &link);
7848 if (r < 0)
7849 return log_oom();
7850
7851 printf("%s [OPTIONS...] COMMAND\n\n"
7852 "%sSend control commands to the init daemon.%s\n"
7853 "\nCommands:\n"
7854 " 0 Power-off the machine\n"
7855 " 6 Reboot the machine\n"
7856 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7857 " 1, s, S Enter rescue mode\n"
7858 " q, Q Reload init daemon configuration\n"
7859 " u, U Reexecute init daemon\n"
7860 "\nOptions:\n"
7861 " --help Show this help\n"
7862 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7863 "\nSee the %s for details.\n"
7864 , program_invocation_short_name
7865 , ansi_highlight(), ansi_normal()
7866 , link
7867 );
7868
7869 return 0;
7870 }
7871
7872 static int runlevel_help(void) {
7873 _cleanup_free_ char *link = NULL;
7874 int r;
7875
7876 r = terminal_urlify_man("runlevel", "8", &link);
7877 if (r < 0)
7878 return log_oom();
7879
7880 printf("%s [OPTIONS...]\n"
7881 "\n%sPrints the previous and current runlevel of the init system.%s\n"
7882 "\nOptions:\n"
7883 " --help Show this help\n"
7884 "\nSee the %s for details.\n"
7885 , program_invocation_short_name
7886 , ansi_highlight(), ansi_normal()
7887 , link
7888 );
7889
7890 return 0;
7891 }
7892
7893 static void help_types(void) {
7894 if (!arg_no_legend)
7895 puts("Available unit types:");
7896
7897 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7898 }
7899
7900 static void help_states(void) {
7901 if (!arg_no_legend)
7902 puts("Available unit load states:");
7903 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7904
7905 if (!arg_no_legend)
7906 puts("\nAvailable unit active states:");
7907 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7908
7909 if (!arg_no_legend)
7910 puts("\nAvailable unit file states:");
7911 DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX);
7912
7913 if (!arg_no_legend)
7914 puts("\nAvailable automount unit substates:");
7915 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7916
7917 if (!arg_no_legend)
7918 puts("\nAvailable device unit substates:");
7919 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7920
7921 if (!arg_no_legend)
7922 puts("\nAvailable mount unit substates:");
7923 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7924
7925 if (!arg_no_legend)
7926 puts("\nAvailable path unit substates:");
7927 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7928
7929 if (!arg_no_legend)
7930 puts("\nAvailable scope unit substates:");
7931 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7932
7933 if (!arg_no_legend)
7934 puts("\nAvailable service unit substates:");
7935 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7936
7937 if (!arg_no_legend)
7938 puts("\nAvailable slice unit substates:");
7939 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7940
7941 if (!arg_no_legend)
7942 puts("\nAvailable socket unit substates:");
7943 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7944
7945 if (!arg_no_legend)
7946 puts("\nAvailable swap unit substates:");
7947 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7948
7949 if (!arg_no_legend)
7950 puts("\nAvailable target unit substates:");
7951 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7952
7953 if (!arg_no_legend)
7954 puts("\nAvailable timer unit substates:");
7955 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7956 }
7957
7958 static int help_boot_loader_entry(void) {
7959 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7960 _cleanup_strv_free_ char **l = NULL;
7961 sd_bus *bus;
7962 char **i;
7963 int r;
7964
7965 r = acquire_bus(BUS_FULL, &bus);
7966 if (r < 0)
7967 return r;
7968
7969 r = bus_get_property_strv(bus, bus_login_mgr, "BootLoaderEntries", &error, &l);
7970 if (r < 0)
7971 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
7972
7973 if (strv_isempty(l))
7974 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
7975
7976 STRV_FOREACH(i, l)
7977 puts(*i);
7978
7979 return 0;
7980 }
7981
7982 static int systemctl_parse_argv(int argc, char *argv[]) {
7983 enum {
7984 ARG_FAIL = 0x100,
7985 ARG_REVERSE,
7986 ARG_AFTER,
7987 ARG_BEFORE,
7988 ARG_DRY_RUN,
7989 ARG_SHOW_TYPES,
7990 ARG_IRREVERSIBLE,
7991 ARG_IGNORE_DEPENDENCIES,
7992 ARG_VALUE,
7993 ARG_VERSION,
7994 ARG_USER,
7995 ARG_SYSTEM,
7996 ARG_GLOBAL,
7997 ARG_NO_BLOCK,
7998 ARG_NO_LEGEND,
7999 ARG_NO_PAGER,
8000 ARG_NO_WALL,
8001 ARG_ROOT,
8002 ARG_NO_RELOAD,
8003 ARG_KILL_WHO,
8004 ARG_NO_ASK_PASSWORD,
8005 ARG_FAILED,
8006 ARG_RUNTIME,
8007 ARG_PLAIN,
8008 ARG_STATE,
8009 ARG_JOB_MODE,
8010 ARG_PRESET_MODE,
8011 ARG_FIRMWARE_SETUP,
8012 ARG_BOOT_LOADER_MENU,
8013 ARG_BOOT_LOADER_ENTRY,
8014 ARG_NOW,
8015 ARG_MESSAGE,
8016 ARG_WITH_DEPENDENCIES,
8017 ARG_WAIT,
8018 ARG_WHAT,
8019 ARG_REBOOT_ARG,
8020 };
8021
8022 static const struct option options[] = {
8023 { "help", no_argument, NULL, 'h' },
8024 { "version", no_argument, NULL, ARG_VERSION },
8025 { "type", required_argument, NULL, 't' },
8026 { "property", required_argument, NULL, 'p' },
8027 { "all", no_argument, NULL, 'a' },
8028 { "reverse", no_argument, NULL, ARG_REVERSE },
8029 { "after", no_argument, NULL, ARG_AFTER },
8030 { "before", no_argument, NULL, ARG_BEFORE },
8031 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8032 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8033 { "full", no_argument, NULL, 'l' },
8034 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8035 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8036 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8037 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8038 { "ignore-inhibitors", no_argument, NULL, 'i' },
8039 { "value", no_argument, NULL, ARG_VALUE },
8040 { "user", no_argument, NULL, ARG_USER },
8041 { "system", no_argument, NULL, ARG_SYSTEM },
8042 { "global", no_argument, NULL, ARG_GLOBAL },
8043 { "wait", no_argument, NULL, ARG_WAIT },
8044 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8045 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8046 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8047 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8048 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8049 { "quiet", no_argument, NULL, 'q' },
8050 { "root", required_argument, NULL, ARG_ROOT },
8051 { "force", no_argument, NULL, 'f' },
8052 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8053 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8054 { "signal", required_argument, NULL, 's' },
8055 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8056 { "host", required_argument, NULL, 'H' },
8057 { "machine", required_argument, NULL, 'M' },
8058 { "runtime", no_argument, NULL, ARG_RUNTIME },
8059 { "lines", required_argument, NULL, 'n' },
8060 { "output", required_argument, NULL, 'o' },
8061 { "plain", no_argument, NULL, ARG_PLAIN },
8062 { "state", required_argument, NULL, ARG_STATE },
8063 { "recursive", no_argument, NULL, 'r' },
8064 { "with-dependencies", no_argument, NULL, ARG_WITH_DEPENDENCIES },
8065 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8066 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8067 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8068 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8069 { "now", no_argument, NULL, ARG_NOW },
8070 { "message", required_argument, NULL, ARG_MESSAGE },
8071 { "show-transaction", no_argument, NULL, 'T' },
8072 { "what", required_argument, NULL, ARG_WHAT },
8073 { "reboot-argument", required_argument, NULL, ARG_REBOOT_ARG },
8074 {}
8075 };
8076
8077 int c, r;
8078
8079 assert(argc >= 0);
8080 assert(argv);
8081
8082 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8083 arg_ask_password = true;
8084
8085 while ((c = getopt_long(argc, argv, "ht:p:P:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8086
8087 switch (c) {
8088
8089 case 'h':
8090 return systemctl_help();
8091
8092 case ARG_VERSION:
8093 return version();
8094
8095 case 't': {
8096 const char *p;
8097
8098 if (isempty(optarg))
8099 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8100 "--type= requires arguments.");
8101
8102 for (p = optarg;;) {
8103 _cleanup_free_ char *type = NULL;
8104
8105 r = extract_first_word(&p, &type, ",", 0);
8106 if (r < 0)
8107 return log_error_errno(r, "Failed to parse type: %s", optarg);
8108 if (r == 0)
8109 break;
8110
8111 if (streq(type, "help")) {
8112 help_types();
8113 return 0;
8114 }
8115
8116 if (unit_type_from_string(type) >= 0) {
8117 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8118 return log_oom();
8119 continue;
8120 }
8121
8122 /* It's much nicer to use --state= for
8123 * load states, but let's support this
8124 * in --types= too for compatibility
8125 * with old versions */
8126 if (unit_load_state_from_string(type) >= 0) {
8127 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8128 return log_oom();
8129 continue;
8130 }
8131
8132 log_error("Unknown unit type or load state '%s'.", type);
8133 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8134 "Use -t help to see a list of allowed values.");
8135 }
8136
8137 break;
8138 }
8139
8140 case 'P':
8141 arg_value = true;
8142 _fallthrough_;
8143
8144 case 'p':
8145 /* Make sure that if the empty property list was specified, we won't show any
8146 properties. */
8147 if (isempty(optarg) && !arg_properties) {
8148 arg_properties = new0(char*, 1);
8149 if (!arg_properties)
8150 return log_oom();
8151 } else {
8152 const char *p;
8153
8154 for (p = optarg;;) {
8155 _cleanup_free_ char *prop = NULL;
8156
8157 r = extract_first_word(&p, &prop, ",", 0);
8158 if (r < 0)
8159 return log_error_errno(r, "Failed to parse property: %s", optarg);
8160 if (r == 0)
8161 break;
8162
8163 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8164 return log_oom();
8165 }
8166 }
8167
8168 /* If the user asked for a particular property, show it, even if it is empty. */
8169 arg_all = true;
8170
8171 break;
8172
8173 case 'a':
8174 arg_all = true;
8175 break;
8176
8177 case ARG_REVERSE:
8178 arg_dependency = DEPENDENCY_REVERSE;
8179 break;
8180
8181 case ARG_AFTER:
8182 arg_dependency = DEPENDENCY_AFTER;
8183 arg_jobs_after = true;
8184 break;
8185
8186 case ARG_BEFORE:
8187 arg_dependency = DEPENDENCY_BEFORE;
8188 arg_jobs_before = true;
8189 break;
8190
8191 case ARG_SHOW_TYPES:
8192 arg_show_types = true;
8193 break;
8194
8195 case ARG_VALUE:
8196 arg_value = true;
8197 break;
8198
8199 case ARG_JOB_MODE:
8200 arg_job_mode = optarg;
8201 break;
8202
8203 case ARG_FAIL:
8204 arg_job_mode = "fail";
8205 break;
8206
8207 case ARG_IRREVERSIBLE:
8208 arg_job_mode = "replace-irreversibly";
8209 break;
8210
8211 case ARG_IGNORE_DEPENDENCIES:
8212 arg_job_mode = "ignore-dependencies";
8213 break;
8214
8215 case ARG_USER:
8216 arg_scope = UNIT_FILE_USER;
8217 break;
8218
8219 case ARG_SYSTEM:
8220 arg_scope = UNIT_FILE_SYSTEM;
8221 break;
8222
8223 case ARG_GLOBAL:
8224 arg_scope = UNIT_FILE_GLOBAL;
8225 break;
8226
8227 case ARG_WAIT:
8228 arg_wait = true;
8229 break;
8230
8231 case ARG_NO_BLOCK:
8232 arg_no_block = true;
8233 break;
8234
8235 case ARG_NO_LEGEND:
8236 arg_no_legend = true;
8237 break;
8238
8239 case ARG_NO_PAGER:
8240 arg_pager_flags |= PAGER_DISABLE;
8241 break;
8242
8243 case ARG_NO_WALL:
8244 arg_no_wall = true;
8245 break;
8246
8247 case ARG_ROOT:
8248 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8249 if (r < 0)
8250 return r;
8251 break;
8252
8253 case 'l':
8254 arg_full = true;
8255 break;
8256
8257 case ARG_FAILED:
8258 if (strv_extend(&arg_states, "failed") < 0)
8259 return log_oom();
8260
8261 break;
8262
8263 case ARG_DRY_RUN:
8264 arg_dry_run = true;
8265 break;
8266
8267 case 'q':
8268 arg_quiet = true;
8269 break;
8270
8271 case 'f':
8272 arg_force++;
8273 break;
8274
8275 case ARG_NO_RELOAD:
8276 arg_no_reload = true;
8277 break;
8278
8279 case ARG_KILL_WHO:
8280 arg_kill_who = optarg;
8281 break;
8282
8283 case 's':
8284 if (streq(optarg, "help")) {
8285 DUMP_STRING_TABLE(signal, int, _NSIG);
8286 return 0;
8287 }
8288
8289 arg_signal = signal_from_string(optarg);
8290 if (arg_signal < 0)
8291 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8292 "Failed to parse signal string %s.",
8293 optarg);
8294 break;
8295
8296 case ARG_NO_ASK_PASSWORD:
8297 arg_ask_password = false;
8298 break;
8299
8300 case 'H':
8301 arg_transport = BUS_TRANSPORT_REMOTE;
8302 arg_host = optarg;
8303 break;
8304
8305 case 'M':
8306 arg_transport = BUS_TRANSPORT_MACHINE;
8307 arg_host = optarg;
8308 break;
8309
8310 case ARG_RUNTIME:
8311 arg_runtime = true;
8312 break;
8313
8314 case 'n':
8315 if (safe_atou(optarg, &arg_lines) < 0)
8316 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8317 "Failed to parse lines '%s'",
8318 optarg);
8319 break;
8320
8321 case 'o':
8322 if (streq(optarg, "help")) {
8323 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8324 return 0;
8325 }
8326
8327 arg_output = output_mode_from_string(optarg);
8328 if (arg_output < 0)
8329 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8330 "Unknown output '%s'.",
8331 optarg);
8332
8333 if (OUTPUT_MODE_IS_JSON(arg_output)) {
8334 arg_no_legend = true;
8335 arg_plain = true;
8336 }
8337 break;
8338
8339 case 'i':
8340 arg_ignore_inhibitors = true;
8341 break;
8342
8343 case ARG_PLAIN:
8344 arg_plain = true;
8345 break;
8346
8347 case ARG_FIRMWARE_SETUP:
8348 arg_firmware_setup = true;
8349 break;
8350
8351 case ARG_BOOT_LOADER_MENU:
8352
8353 r = parse_sec(optarg, &arg_boot_loader_menu);
8354 if (r < 0)
8355 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8356
8357 break;
8358
8359 case ARG_BOOT_LOADER_ENTRY:
8360
8361 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8362 r = help_boot_loader_entry();
8363 if (r < 0)
8364 return r;
8365
8366 return 0;
8367 }
8368
8369 arg_boot_loader_entry = empty_to_null(optarg);
8370 break;
8371
8372 case ARG_STATE: {
8373 const char *p;
8374
8375 if (isempty(optarg))
8376 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8377 "--state= requires arguments.");
8378
8379 for (p = optarg;;) {
8380 _cleanup_free_ char *s = NULL;
8381
8382 r = extract_first_word(&p, &s, ",", 0);
8383 if (r < 0)
8384 return log_error_errno(r, "Failed to parse state: %s", optarg);
8385 if (r == 0)
8386 break;
8387
8388 if (streq(s, "help")) {
8389 help_states();
8390 return 0;
8391 }
8392
8393 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8394 return log_oom();
8395 }
8396 break;
8397 }
8398
8399 case 'r':
8400 if (geteuid() != 0)
8401 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8402 "--recursive requires root privileges.");
8403
8404 arg_recursive = true;
8405 break;
8406
8407 case ARG_PRESET_MODE:
8408 if (streq(optarg, "help")) {
8409 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8410 return 0;
8411 }
8412
8413 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8414 if (arg_preset_mode < 0)
8415 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8416 "Failed to parse preset mode: %s.", optarg);
8417
8418 break;
8419
8420 case ARG_NOW:
8421 arg_now = true;
8422 break;
8423
8424 case ARG_MESSAGE:
8425 if (strv_extend(&arg_wall, optarg) < 0)
8426 return log_oom();
8427 break;
8428
8429 case 'T':
8430 arg_show_transaction = true;
8431 break;
8432
8433 case ARG_WITH_DEPENDENCIES:
8434 arg_with_dependencies = true;
8435 break;
8436
8437 case ARG_WHAT: {
8438 const char *p;
8439
8440 if (isempty(optarg))
8441 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8442
8443 for (p = optarg;;) {
8444 _cleanup_free_ char *k = NULL;
8445
8446 r = extract_first_word(&p, &k, ",", 0);
8447 if (r < 0)
8448 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8449 if (r == 0)
8450 break;
8451
8452 if (streq(k, "help")) {
8453 puts("runtime\n"
8454 "state\n"
8455 "cache\n"
8456 "logs\n"
8457 "configuration");
8458 return 0;
8459 }
8460
8461 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8462 if (r < 0)
8463 return log_oom();
8464 }
8465
8466 break;
8467 }
8468
8469 case ARG_REBOOT_ARG:
8470 arg_reboot_argument = optarg;
8471 break;
8472
8473 case '.':
8474 /* Output an error mimicking getopt, and print a hint afterwards */
8475 log_error("%s: invalid option -- '.'", program_invocation_name);
8476 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8477 " %s [OPTIONS...] COMMAND -- -.%s ...",
8478 program_invocation_name, optarg ?: "mount");
8479 _fallthrough_;
8480
8481 case '?':
8482 return -EINVAL;
8483
8484 default:
8485 assert_not_reached("Unhandled option");
8486 }
8487
8488 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8489 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8490 "Cannot access user instance remotely.");
8491
8492 if (arg_wait && arg_no_block)
8493 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8494 "--wait may not be combined with --no-block.");
8495
8496 return 1;
8497 }
8498
8499 static int halt_parse_argv(int argc, char *argv[]) {
8500 enum {
8501 ARG_HELP = 0x100,
8502 ARG_HALT,
8503 ARG_REBOOT,
8504 ARG_NO_WALL
8505 };
8506
8507 static const struct option options[] = {
8508 { "help", no_argument, NULL, ARG_HELP },
8509 { "halt", no_argument, NULL, ARG_HALT },
8510 { "poweroff", no_argument, NULL, 'p' },
8511 { "reboot", no_argument, NULL, ARG_REBOOT },
8512 { "force", no_argument, NULL, 'f' },
8513 { "wtmp-only", no_argument, NULL, 'w' },
8514 { "no-wtmp", no_argument, NULL, 'd' },
8515 { "no-sync", no_argument, NULL, 'n' },
8516 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8517 {}
8518 };
8519
8520 int c, r, runlevel;
8521
8522 assert(argc >= 0);
8523 assert(argv);
8524
8525 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8526 if (IN_SET(runlevel, '0', '6'))
8527 arg_force = 2;
8528
8529 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8530 switch (c) {
8531
8532 case ARG_HELP:
8533 return halt_help();
8534
8535 case ARG_HALT:
8536 arg_action = ACTION_HALT;
8537 break;
8538
8539 case 'p':
8540 if (arg_action != ACTION_REBOOT)
8541 arg_action = ACTION_POWEROFF;
8542 break;
8543
8544 case ARG_REBOOT:
8545 arg_action = ACTION_REBOOT;
8546 break;
8547
8548 case 'f':
8549 arg_force = 2;
8550 break;
8551
8552 case 'w':
8553 arg_dry_run = true;
8554 break;
8555
8556 case 'd':
8557 arg_no_wtmp = true;
8558 break;
8559
8560 case 'n':
8561 arg_no_sync = true;
8562 break;
8563
8564 case ARG_NO_WALL:
8565 arg_no_wall = true;
8566 break;
8567
8568 case 'i':
8569 case 'h':
8570 /* Compatibility nops */
8571 break;
8572
8573 case '?':
8574 return -EINVAL;
8575
8576 default:
8577 assert_not_reached("Unhandled option");
8578 }
8579
8580 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8581 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8582 if (r < 0)
8583 return r;
8584 } else if (optind < argc)
8585 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8586 "Too many arguments.");
8587
8588 return 1;
8589 }
8590
8591 static int shutdown_parse_argv(int argc, char *argv[]) {
8592 enum {
8593 ARG_HELP = 0x100,
8594 ARG_NO_WALL
8595 };
8596
8597 static const struct option options[] = {
8598 { "help", no_argument, NULL, ARG_HELP },
8599 { "halt", no_argument, NULL, 'H' },
8600 { "poweroff", no_argument, NULL, 'P' },
8601 { "reboot", no_argument, NULL, 'r' },
8602 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8603 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8604 {}
8605 };
8606
8607 char **wall = NULL;
8608 int c, r;
8609
8610 assert(argc >= 0);
8611 assert(argv);
8612
8613 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8614 switch (c) {
8615
8616 case ARG_HELP:
8617 return shutdown_help();
8618
8619 case 'H':
8620 arg_action = ACTION_HALT;
8621 break;
8622
8623 case 'P':
8624 arg_action = ACTION_POWEROFF;
8625 break;
8626
8627 case 'r':
8628 if (kexec_loaded())
8629 arg_action = ACTION_KEXEC;
8630 else
8631 arg_action = ACTION_REBOOT;
8632 break;
8633
8634 case 'K':
8635 arg_action = ACTION_KEXEC;
8636 break;
8637
8638 case 'h':
8639 if (arg_action != ACTION_HALT)
8640 arg_action = ACTION_POWEROFF;
8641 break;
8642
8643 case 'k':
8644 arg_dry_run = true;
8645 break;
8646
8647 case ARG_NO_WALL:
8648 arg_no_wall = true;
8649 break;
8650
8651 case 'a':
8652 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8653 case 'f':
8654 case 'F':
8655 /* Compatibility nops */
8656 break;
8657
8658 case 'c':
8659 arg_action = ACTION_CANCEL_SHUTDOWN;
8660 break;
8661
8662 case '?':
8663 return -EINVAL;
8664
8665 default:
8666 assert_not_reached("Unhandled option");
8667 }
8668
8669 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8670 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8671 if (r < 0) {
8672 log_error("Failed to parse time specification: %s", argv[optind]);
8673 return r;
8674 }
8675 } else
8676 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8677
8678 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8679 /* No time argument for shutdown cancel */
8680 wall = argv + optind;
8681 else if (argc > optind + 1)
8682 /* We skip the time argument */
8683 wall = argv + optind + 1;
8684
8685 if (wall) {
8686 arg_wall = strv_copy(wall);
8687 if (!arg_wall)
8688 return log_oom();
8689 }
8690
8691 optind = argc;
8692
8693 return 1;
8694 }
8695
8696 static int telinit_parse_argv(int argc, char *argv[]) {
8697 enum {
8698 ARG_HELP = 0x100,
8699 ARG_NO_WALL
8700 };
8701
8702 static const struct option options[] = {
8703 { "help", no_argument, NULL, ARG_HELP },
8704 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8705 {}
8706 };
8707
8708 static const struct {
8709 char from;
8710 enum action to;
8711 } table[] = {
8712 { '0', ACTION_POWEROFF },
8713 { '6', ACTION_REBOOT },
8714 { '1', ACTION_RESCUE },
8715 { '2', ACTION_RUNLEVEL2 },
8716 { '3', ACTION_RUNLEVEL3 },
8717 { '4', ACTION_RUNLEVEL4 },
8718 { '5', ACTION_RUNLEVEL5 },
8719 { 's', ACTION_RESCUE },
8720 { 'S', ACTION_RESCUE },
8721 { 'q', ACTION_RELOAD },
8722 { 'Q', ACTION_RELOAD },
8723 { 'u', ACTION_REEXEC },
8724 { 'U', ACTION_REEXEC }
8725 };
8726
8727 unsigned i;
8728 int c;
8729
8730 assert(argc >= 0);
8731 assert(argv);
8732
8733 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8734 switch (c) {
8735
8736 case ARG_HELP:
8737 return telinit_help();
8738
8739 case ARG_NO_WALL:
8740 arg_no_wall = true;
8741 break;
8742
8743 case '?':
8744 return -EINVAL;
8745
8746 default:
8747 assert_not_reached("Unhandled option");
8748 }
8749
8750 if (optind >= argc)
8751 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8752 "%s: required argument missing.",
8753 program_invocation_short_name);
8754
8755 if (optind + 1 < argc)
8756 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8757 "Too many arguments.");
8758
8759 if (strlen(argv[optind]) != 1)
8760 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8761 "Expected single character argument.");
8762
8763 for (i = 0; i < ELEMENTSOF(table); i++)
8764 if (table[i].from == argv[optind][0])
8765 break;
8766
8767 if (i >= ELEMENTSOF(table))
8768 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8769 "Unknown command '%s'.", argv[optind]);
8770
8771 arg_action = table[i].to;
8772
8773 optind++;
8774
8775 return 1;
8776 }
8777
8778 static int runlevel_parse_argv(int argc, char *argv[]) {
8779 enum {
8780 ARG_HELP = 0x100,
8781 };
8782
8783 static const struct option options[] = {
8784 { "help", no_argument, NULL, ARG_HELP },
8785 {}
8786 };
8787
8788 int c;
8789
8790 assert(argc >= 0);
8791 assert(argv);
8792
8793 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8794 switch (c) {
8795
8796 case ARG_HELP:
8797 return runlevel_help();
8798
8799 case '?':
8800 return -EINVAL;
8801
8802 default:
8803 assert_not_reached("Unhandled option");
8804 }
8805
8806 if (optind < argc)
8807 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8808 "Too many arguments.");
8809
8810 return 1;
8811 }
8812
8813 static int parse_argv(int argc, char *argv[]) {
8814 assert(argc >= 0);
8815 assert(argv);
8816
8817 if (program_invocation_short_name) {
8818
8819 if (strstr(program_invocation_short_name, "halt")) {
8820 arg_action = ACTION_HALT;
8821 return halt_parse_argv(argc, argv);
8822
8823 } else if (strstr(program_invocation_short_name, "poweroff")) {
8824 arg_action = ACTION_POWEROFF;
8825 return halt_parse_argv(argc, argv);
8826
8827 } else if (strstr(program_invocation_short_name, "reboot")) {
8828 if (kexec_loaded())
8829 arg_action = ACTION_KEXEC;
8830 else
8831 arg_action = ACTION_REBOOT;
8832 return halt_parse_argv(argc, argv);
8833
8834 } else if (strstr(program_invocation_short_name, "shutdown")) {
8835 arg_action = ACTION_POWEROFF;
8836 return shutdown_parse_argv(argc, argv);
8837
8838 } else if (strstr(program_invocation_short_name, "init")) {
8839
8840 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8841 * 1 on SysV.
8842 *
8843 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8844 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8845 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8846 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8847 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8848 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8849 * quick way to match both.
8850 *
8851 * Also see redirect_telinit() in src/core/main.c. */
8852
8853 if (sd_booted() > 0) {
8854 arg_action = _ACTION_INVALID;
8855 return telinit_parse_argv(argc, argv);
8856 } else {
8857 /* Hmm, so some other init system is running, we need to forward this request to
8858 * it. For now we simply guess that it is Upstart. */
8859
8860 (void) rlimit_nofile_safe();
8861 execv(TELINIT, argv);
8862
8863 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8864 "Couldn't find an alternative telinit implementation to spawn.");
8865 }
8866
8867 } else if (strstr(program_invocation_short_name, "runlevel")) {
8868 arg_action = ACTION_RUNLEVEL;
8869 return runlevel_parse_argv(argc, argv);
8870 }
8871 }
8872
8873 arg_action = ACTION_SYSTEMCTL;
8874 return systemctl_parse_argv(argc, argv);
8875 }
8876
8877 #if HAVE_SYSV_COMPAT
8878 _pure_ static int action_to_runlevel(void) {
8879 static const char table[_ACTION_MAX] = {
8880 [ACTION_HALT] = '0',
8881 [ACTION_POWEROFF] = '0',
8882 [ACTION_REBOOT] = '6',
8883 [ACTION_RUNLEVEL2] = '2',
8884 [ACTION_RUNLEVEL3] = '3',
8885 [ACTION_RUNLEVEL4] = '4',
8886 [ACTION_RUNLEVEL5] = '5',
8887 [ACTION_RESCUE] = '1'
8888 };
8889
8890 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8891 return table[arg_action];
8892 }
8893 #endif
8894
8895 static int systemctl_main(int argc, char *argv[]) {
8896 static const Verb verbs[] = {
8897 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8898 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8899 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8900 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8901 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8902 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8903 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8904 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8905 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8906 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8907 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8908 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8909 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8910 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8911 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8912 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8913 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8914 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8915 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8916 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8917 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8918 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8919 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit },
8920 { "freeze", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit },
8921 { "thaw", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit },
8922 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8923 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8924 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8925 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8926 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8927 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8928 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8929 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8930 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8931 { "log-level", VERB_ANY, 2, VERB_ONLINE_ONLY, log_level },
8932 { "log-target", VERB_ANY, 2, VERB_ONLINE_ONLY, log_target },
8933 { "service-watchdogs", VERB_ANY, 2, VERB_ONLINE_ONLY, service_watchdogs },
8934 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8935 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8936 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8937 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8938 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8939 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8940 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8941 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8942 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8943 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8944 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8945 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8946 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8947 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8948 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8949 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8950 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8951 { "enable", 2, VERB_ANY, 0, enable_unit },
8952 { "disable", 2, VERB_ANY, 0, enable_unit },
8953 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8954 { "reenable", 2, VERB_ANY, 0, enable_unit },
8955 { "preset", 2, VERB_ANY, 0, enable_unit },
8956 { "preset-all", VERB_ANY, 1, 0, preset_all },
8957 { "mask", 2, VERB_ANY, 0, enable_unit },
8958 { "unmask", 2, VERB_ANY, 0, enable_unit },
8959 { "link", 2, VERB_ANY, 0, enable_unit },
8960 { "revert", 2, VERB_ANY, 0, enable_unit },
8961 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8962 { "list-dependencies", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_dependencies },
8963 { "set-default", 2, 2, 0, set_default },
8964 { "get-default", VERB_ANY, 1, 0, get_default },
8965 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8966 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8967 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8968 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8969 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8970 {}
8971 };
8972
8973 const Verb *verb = verbs_find_verb(argv[optind], verbs);
8974 if (verb && (verb->flags & VERB_ONLINE_ONLY) && arg_root)
8975 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8976 "Verb '%s' cannot be used with --root=.",
8977 argv[optind] ?: verb->verb);
8978
8979 return dispatch_verb(argc, argv, verbs, NULL);
8980 }
8981
8982 static int reload_with_fallback(void) {
8983 /* First, try systemd via D-Bus. */
8984 if (daemon_reload(0, NULL, NULL) >= 0)
8985 return 0;
8986
8987 /* Nothing else worked, so let's try signals */
8988 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8989
8990 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8991 return log_error_errno(errno, "kill() failed: %m");
8992
8993 return 0;
8994 }
8995
8996 static int start_with_fallback(void) {
8997 /* First, try systemd via D-Bus. */
8998 if (start_unit(0, NULL, NULL) == 0)
8999 return 0;
9000
9001 #if HAVE_SYSV_COMPAT
9002 /* Nothing else worked, so let's try /dev/initctl */
9003 if (talk_initctl(action_to_runlevel()) > 0)
9004 return 0;
9005 #endif
9006
9007 return log_error_errno(SYNTHETIC_ERRNO(EIO),
9008 "Failed to talk to init daemon.");
9009 }
9010
9011 static int halt_now(enum action a) {
9012 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
9013 * synced explicitly in advance. */
9014 if (!arg_no_sync && !arg_dry_run)
9015 (void) sync();
9016
9017 /* Make sure C-A-D is handled by the kernel from this point on... */
9018 if (!arg_dry_run)
9019 (void) reboot(RB_ENABLE_CAD);
9020
9021 switch (a) {
9022
9023 case ACTION_HALT:
9024 if (!arg_quiet)
9025 log_info("Halting.");
9026 if (arg_dry_run)
9027 return 0;
9028 (void) reboot(RB_HALT_SYSTEM);
9029 return -errno;
9030
9031 case ACTION_POWEROFF:
9032 if (!arg_quiet)
9033 log_info("Powering off.");
9034 if (arg_dry_run)
9035 return 0;
9036 (void) reboot(RB_POWER_OFF);
9037 return -errno;
9038
9039 case ACTION_KEXEC:
9040 case ACTION_REBOOT:
9041 return reboot_with_parameter(REBOOT_FALLBACK |
9042 (arg_quiet ? 0 : REBOOT_LOG) |
9043 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9044
9045 default:
9046 assert_not_reached("Unknown action.");
9047 }
9048 }
9049
9050 static int logind_schedule_shutdown(void) {
9051
9052 #if ENABLE_LOGIND
9053 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9054 char date[FORMAT_TIMESTAMP_MAX];
9055 const char *action;
9056 const char *log_action;
9057 sd_bus *bus;
9058 int r;
9059
9060 r = acquire_bus(BUS_FULL, &bus);
9061 if (r < 0)
9062 return r;
9063
9064 switch (arg_action) {
9065 case ACTION_HALT:
9066 action = "halt";
9067 log_action = "Shutdown";
9068 break;
9069 case ACTION_POWEROFF:
9070 action = "poweroff";
9071 log_action = "Shutdown";
9072 break;
9073 case ACTION_KEXEC:
9074 action = "kexec";
9075 log_action = "Reboot via kexec";
9076 break;
9077 case ACTION_EXIT:
9078 action = "exit";
9079 log_action = "Shutdown";
9080 break;
9081 case ACTION_REBOOT:
9082 default:
9083 action = "reboot";
9084 log_action = "Reboot";
9085 break;
9086 }
9087
9088 if (arg_dry_run)
9089 action = strjoina("dry-", action);
9090
9091 (void) logind_set_wall_message();
9092
9093 r = bus_call_method(bus, bus_login_mgr, "ScheduleShutdown", &error, NULL, "st", action, arg_when);
9094 if (r < 0)
9095 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9096
9097 if (!arg_quiet)
9098 log_info("%s scheduled for %s, use 'shutdown -c' to cancel.", log_action, format_timestamp(date, sizeof(date), arg_when));
9099 return 0;
9100 #else
9101 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9102 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9103 #endif
9104 }
9105
9106 static int halt_main(void) {
9107 int r;
9108
9109 r = logind_check_inhibitors(arg_action);
9110 if (r < 0)
9111 return r;
9112
9113 /* Delayed shutdown requested, and was successful */
9114 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9115 return 0;
9116 /* no delay, or logind failed or is not at all available */
9117
9118 if (geteuid() != 0) {
9119 if (arg_dry_run || arg_force > 0) {
9120 (void) must_be_root();
9121 return -EPERM;
9122 }
9123
9124 /* Try logind if we are a normal user and no special
9125 * mode applies. Maybe polkit allows us to shutdown
9126 * the machine. */
9127 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9128 r = logind_reboot(arg_action);
9129 if (r >= 0)
9130 return r;
9131 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9132 /* requested operation is not
9133 * supported on the local system or
9134 * already in progress */
9135 return r;
9136 /* on all other errors, try low-level operation */
9137 }
9138 }
9139
9140 /* In order to minimize the difference between operation with and
9141 * without logind, we explicitly enable non-blocking mode for this,
9142 * as logind's shutdown operations are always non-blocking. */
9143 arg_no_block = true;
9144
9145 if (!arg_dry_run && !arg_force)
9146 return start_with_fallback();
9147
9148 assert(geteuid() == 0);
9149
9150 if (!arg_no_wtmp) {
9151 if (sd_booted() > 0)
9152 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9153 else {
9154 r = utmp_put_shutdown();
9155 if (r < 0)
9156 log_warning_errno(r, "Failed to write utmp record: %m");
9157 }
9158 }
9159
9160 if (arg_dry_run)
9161 return 0;
9162
9163 r = halt_now(arg_action);
9164 return log_error_errno(r, "Failed to reboot: %m");
9165 }
9166
9167 static int runlevel_main(void) {
9168 int r, runlevel, previous;
9169
9170 r = utmp_get_runlevel(&runlevel, &previous);
9171 if (r < 0) {
9172 puts("unknown");
9173 return r;
9174 }
9175
9176 printf("%c %c\n",
9177 previous <= 0 ? 'N' : previous,
9178 runlevel <= 0 ? 'N' : runlevel);
9179
9180 return 0;
9181 }
9182
9183 static int logind_cancel_shutdown(void) {
9184 #if ENABLE_LOGIND
9185 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9186 sd_bus *bus;
9187 int r;
9188
9189 r = acquire_bus(BUS_FULL, &bus);
9190 if (r < 0)
9191 return r;
9192
9193 (void) logind_set_wall_message();
9194
9195 r = bus_call_method(bus, bus_login_mgr, "CancelScheduledShutdown", &error, NULL, NULL);
9196 if (r < 0)
9197 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9198
9199 return 0;
9200 #else
9201 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9202 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9203 #endif
9204 }
9205
9206 static int run(int argc, char *argv[]) {
9207 int r;
9208
9209 setlocale(LC_ALL, "");
9210 log_parse_environment_cli();
9211 log_open();
9212
9213 /* The journal merging logic potentially needs a lot of fds. */
9214 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9215
9216 sigbus_install();
9217
9218 /* Explicitly not on_tty() to avoid setting cached value.
9219 * This becomes relevant for piping output which might be
9220 * ellipsized. */
9221 original_stdout_is_tty = isatty(STDOUT_FILENO);
9222
9223 r = parse_argv(argc, argv);
9224 if (r <= 0)
9225 goto finish;
9226
9227 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9228 if (!arg_quiet)
9229 log_info("Running in chroot, ignoring request.");
9230 r = 0;
9231 goto finish;
9232 }
9233
9234 /* systemctl_main() will print an error message for the bus
9235 * connection, but only if it needs to */
9236
9237 switch (arg_action) {
9238
9239 case ACTION_SYSTEMCTL:
9240 r = systemctl_main(argc, argv);
9241 break;
9242
9243 /* Legacy command aliases set arg_action. They provide some fallbacks,
9244 * e.g. to tell sysvinit to reboot after you have installed systemd
9245 * binaries. */
9246
9247 case ACTION_HALT:
9248 case ACTION_POWEROFF:
9249 case ACTION_REBOOT:
9250 case ACTION_KEXEC:
9251 r = halt_main();
9252 break;
9253
9254 case ACTION_RUNLEVEL2:
9255 case ACTION_RUNLEVEL3:
9256 case ACTION_RUNLEVEL4:
9257 case ACTION_RUNLEVEL5:
9258 case ACTION_RESCUE:
9259 r = start_with_fallback();
9260 break;
9261
9262 case ACTION_RELOAD:
9263 case ACTION_REEXEC:
9264 r = reload_with_fallback();
9265 break;
9266
9267 case ACTION_CANCEL_SHUTDOWN:
9268 r = logind_cancel_shutdown();
9269 break;
9270
9271 case ACTION_RUNLEVEL:
9272 r = runlevel_main();
9273 break;
9274
9275 case ACTION_EXIT:
9276 case ACTION_SUSPEND:
9277 case ACTION_HIBERNATE:
9278 case ACTION_HYBRID_SLEEP:
9279 case ACTION_SUSPEND_THEN_HIBERNATE:
9280 case ACTION_EMERGENCY:
9281 case ACTION_DEFAULT:
9282 /* systemctl verbs with no equivalent in the legacy commands.
9283 * These cannot appear in arg_action. Fall through. */
9284
9285 case _ACTION_INVALID:
9286 default:
9287 assert_not_reached("Unknown action");
9288 }
9289
9290 finish:
9291 release_busses();
9292
9293 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9294 return r;
9295 }
9296
9297 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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