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systemctl: Add unit file states to state help message
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/mount.h>
12 #include <sys/prctl.h>
13 #include <sys/reboot.h>
14 #include <sys/socket.h>
15 #include <unistd.h>
16
17 #include "sd-bus.h"
18 #include "sd-daemon.h"
19 #include "sd-event.h"
20 #include "sd-login.h"
21
22 #include "alloc-util.h"
23 #include "bootspec.h"
24 #include "bus-common-errors.h"
25 #include "bus-error.h"
26 #include "bus-message.h"
27 #include "bus-unit-procs.h"
28 #include "bus-unit-util.h"
29 #include "bus-util.h"
30 #include "bus-wait-for-jobs.h"
31 #include "bus-wait-for-units.h"
32 #include "cgroup-show.h"
33 #include "cgroup-util.h"
34 #include "copy.h"
35 #include "cpu-set-util.h"
36 #include "dirent-util.h"
37 #include "dropin.h"
38 #include "efivars.h"
39 #include "env-util.h"
40 #include "escape.h"
41 #include "exec-util.h"
42 #include "exit-status.h"
43 #include "fd-util.h"
44 #include "format-util.h"
45 #include "fs-util.h"
46 #include "glob-util.h"
47 #include "hexdecoct.h"
48 #include "hostname-util.h"
49 #include "in-addr-util.h"
50 #include "initreq.h"
51 #include "install.h"
52 #include "io-util.h"
53 #include "journal-util.h"
54 #include "list.h"
55 #include "locale-util.h"
56 #include "log.h"
57 #include "logs-show.h"
58 #include "macro.h"
59 #include "main-func.h"
60 #include "memory-util.h"
61 #include "mkdir.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_show_transaction = false;
123 static int arg_force = 0;
124 static bool arg_ask_password = false;
125 static bool arg_runtime = false;
126 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
127 static char **arg_wall = NULL;
128 static const char *arg_kill_who = NULL;
129 static int arg_signal = SIGTERM;
130 static char *arg_root = NULL;
131 static usec_t arg_when = 0;
132 static enum action {
133 ACTION_SYSTEMCTL,
134 ACTION_HALT,
135 ACTION_POWEROFF,
136 ACTION_REBOOT,
137 ACTION_KEXEC,
138 ACTION_EXIT,
139 ACTION_SUSPEND,
140 ACTION_HIBERNATE,
141 ACTION_HYBRID_SLEEP,
142 ACTION_SUSPEND_THEN_HIBERNATE,
143 ACTION_RUNLEVEL2,
144 ACTION_RUNLEVEL3,
145 ACTION_RUNLEVEL4,
146 ACTION_RUNLEVEL5,
147 ACTION_RESCUE,
148 ACTION_EMERGENCY,
149 ACTION_DEFAULT,
150 ACTION_RELOAD,
151 ACTION_REEXEC,
152 ACTION_RUNLEVEL,
153 ACTION_CANCEL_SHUTDOWN,
154 _ACTION_MAX,
155 _ACTION_INVALID = -1
156 } arg_action = ACTION_SYSTEMCTL;
157 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
158 static const char *arg_host = NULL;
159 static unsigned arg_lines = 10;
160 static OutputMode arg_output = OUTPUT_SHORT;
161 static bool arg_plain = false;
162 static bool arg_firmware_setup = false;
163 static usec_t arg_boot_loader_menu = USEC_INFINITY;
164 static const char *arg_boot_loader_entry = NULL;
165 static bool arg_now = false;
166 static bool arg_jobs_before = false;
167 static bool arg_jobs_after = false;
168 static char **arg_clean_what = NULL;
169
170 /* This is a global cache that will be constructed on first use. */
171 static Hashmap *cached_id_map = NULL;
172 static Hashmap *cached_name_map = NULL;
173
174 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
175 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
176 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
177 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
178 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
179 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
180 STATIC_DESTRUCTOR_REGISTER(cached_id_map, hashmap_freep);
181 STATIC_DESTRUCTOR_REGISTER(cached_name_map, hashmap_freep);
182
183 static int daemon_reload(int argc, char *argv[], void* userdata);
184 static int trivial_method(int argc, char *argv[], void *userdata);
185 static int halt_now(enum action a);
186 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
187
188 static bool original_stdout_is_tty;
189
190 typedef enum BusFocus {
191 BUS_FULL, /* The full bus indicated via --system or --user */
192 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
193 _BUS_FOCUS_MAX
194 } BusFocus;
195
196 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
197
198 static UnitFileFlags args_to_flags(void) {
199 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
200 (arg_force ? UNIT_FILE_FORCE : 0);
201 }
202
203 static int acquire_bus(BusFocus focus, sd_bus **ret) {
204 int r;
205
206 assert(focus < _BUS_FOCUS_MAX);
207 assert(ret);
208
209 /* We only go directly to the manager, if we are using a local transport */
210 if (arg_transport != BUS_TRANSPORT_LOCAL)
211 focus = BUS_FULL;
212
213 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
214 focus = BUS_FULL;
215
216 if (!buses[focus]) {
217 bool user;
218
219 user = arg_scope != UNIT_FILE_SYSTEM;
220
221 if (focus == BUS_MANAGER)
222 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
223 else
224 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
225 if (r < 0)
226 return log_error_errno(r, "Failed to connect to bus: %m");
227
228 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
229 }
230
231 *ret = buses[focus];
232 return 0;
233 }
234
235 static void release_busses(void) {
236 BusFocus w;
237
238 for (w = 0; w < _BUS_FOCUS_MAX; w++)
239 buses[w] = sd_bus_flush_close_unref(buses[w]);
240 }
241
242 static void ask_password_agent_open_if_enabled(void) {
243 /* Open the password agent as a child process if necessary */
244
245 if (arg_dry_run)
246 return;
247
248 if (!arg_ask_password)
249 return;
250
251 if (arg_scope != UNIT_FILE_SYSTEM)
252 return;
253
254 if (arg_transport != BUS_TRANSPORT_LOCAL)
255 return;
256
257 ask_password_agent_open();
258 }
259
260 static void polkit_agent_open_maybe(void) {
261 /* Open the polkit agent as a child process if necessary */
262
263 if (arg_scope != UNIT_FILE_SYSTEM)
264 return;
265
266 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
267 }
268
269 static OutputFlags get_output_flags(void) {
270 return
271 arg_all * OUTPUT_SHOW_ALL |
272 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
273 colors_enabled() * OUTPUT_COLOR |
274 !arg_quiet * OUTPUT_WARN_CUTOFF;
275 }
276
277 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
278 assert(error);
279
280 if (!sd_bus_error_is_set(error))
281 return r;
282
283 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
284 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
285 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
286 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
287 return EXIT_NOPERMISSION;
288
289 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
290 return EXIT_NOTINSTALLED;
291
292 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
293 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
294 return EXIT_NOTIMPLEMENTED;
295
296 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
297 return EXIT_NOTCONFIGURED;
298
299 if (r != 0)
300 return r;
301
302 return EXIT_FAILURE;
303 }
304
305 static bool install_client_side(void) {
306 /* Decides when to execute enable/disable/... operations
307 * client-side rather than server-side. */
308
309 if (running_in_chroot_or_offline())
310 return true;
311
312 if (sd_booted() <= 0)
313 return true;
314
315 if (!isempty(arg_root))
316 return true;
317
318 if (arg_scope == UNIT_FILE_GLOBAL)
319 return true;
320
321 /* Unsupported environment variable, mostly for debugging purposes */
322 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
323 return true;
324
325 return false;
326 }
327
328 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
329 const char *d1, *d2;
330 int r;
331
332 /* First, order by machine */
333 if (!a->machine && b->machine)
334 return -1;
335 if (a->machine && !b->machine)
336 return 1;
337 if (a->machine && b->machine) {
338 r = strcasecmp(a->machine, b->machine);
339 if (r != 0)
340 return r;
341 }
342
343 /* Second, order by unit type */
344 d1 = strrchr(a->id, '.');
345 d2 = strrchr(b->id, '.');
346 if (d1 && d2) {
347 r = strcasecmp(d1, d2);
348 if (r != 0)
349 return r;
350 }
351
352 /* Third, order by name */
353 return strcasecmp(a->id, b->id);
354 }
355
356 static const char* unit_type_suffix(const char *name) {
357 const char *dot;
358
359 dot = strrchr(name, '.');
360 if (!dot)
361 return "";
362
363 return dot + 1;
364 }
365
366 static bool output_show_unit(const UnitInfo *u, char **patterns) {
367 assert(u);
368
369 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
370 return false;
371
372 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
373 return false;
374
375 if (arg_all)
376 return true;
377
378 /* Note that '--all' is not purely a state filter, but also a
379 * filter that hides units that "follow" other units (which is
380 * used for device units that appear under different names). */
381 if (!isempty(u->following))
382 return false;
383
384 if (!strv_isempty(arg_states))
385 return true;
386
387 /* By default show all units except the ones in inactive
388 * state and with no pending job */
389 if (u->job_id > 0)
390 return true;
391
392 if (streq(u->active_state, "inactive"))
393 return false;
394
395 return true;
396 }
397
398 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
399 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
400 const UnitInfo *u;
401 unsigned n_shown = 0;
402 int job_count = 0;
403 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
404
405 max_id_len = STRLEN("UNIT");
406 load_len = STRLEN("LOAD");
407 active_len = STRLEN("ACTIVE");
408 sub_len = STRLEN("SUB");
409 job_len = STRLEN("JOB");
410 max_desc_len = STRLEN("DESCRIPTION");
411
412 for (u = unit_infos; u < unit_infos + c; u++) {
413 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
414 load_len = MAX(load_len, strlen(u->load_state));
415 active_len = MAX(active_len, strlen(u->active_state));
416 sub_len = MAX(sub_len, strlen(u->sub_state));
417 max_desc_len = MAX(max_desc_len, strlen(u->description));
418
419 if (u->job_id != 0) {
420 job_len = MAX(job_len, strlen(u->job_type));
421 job_count++;
422 }
423
424 if (!arg_no_legend &&
425 (streq(u->active_state, "failed") ||
426 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
427 circle_len = 2;
428 }
429
430 if (!arg_full && original_stdout_is_tty) {
431 unsigned basic_len;
432
433 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
434 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
435
436 if (job_count)
437 basic_len += job_len + 1;
438
439 if (basic_len < (unsigned) columns()) {
440 unsigned extra_len, incr;
441 extra_len = columns() - basic_len;
442
443 /* Either UNIT already got 25, or is fully satisfied.
444 * Grant up to 25 to DESC now. */
445 incr = MIN(extra_len, 25u);
446 desc_len = incr;
447 extra_len -= incr;
448
449 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
450 * description but not more than it needs. */
451 if (extra_len > 0) {
452 incr = MIN(max_id_len - id_len, extra_len);
453 id_len += incr;
454 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
455 }
456 } else
457 desc_len = 0;
458 } else {
459 id_len = max_id_len;
460 desc_len = max_desc_len;
461 }
462
463 for (u = unit_infos; u < unit_infos + c; u++) {
464 _cleanup_free_ char *e = NULL, *j = NULL;
465 const char *on_underline = "", *off_underline = "";
466 const char *on_loaded = "", *off_loaded = "";
467 const char *on_active = "", *off_active = "";
468 const char *on_circle = "", *off_circle = "";
469 const char *id;
470 bool circle = false, underline = false;
471
472 if (!n_shown && !arg_no_legend) {
473
474 if (circle_len > 0)
475 fputs(" ", stdout);
476
477 printf("%s%-*s %-*s %-*s %-*s ",
478 ansi_underline(),
479 id_len, "UNIT",
480 load_len, "LOAD",
481 active_len, "ACTIVE",
482 sub_len, "SUB");
483
484 if (job_count)
485 printf("%-*s ", job_len, "JOB");
486
487 printf("%-*.*s%s\n",
488 desc_len,
489 full ? -1 : (int) desc_len,
490 "DESCRIPTION",
491 ansi_normal());
492 }
493
494 n_shown++;
495
496 if (u + 1 < unit_infos + c &&
497 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
498 on_underline = ansi_underline();
499 off_underline = ansi_normal();
500 underline = true;
501 }
502
503 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
504 on_circle = ansi_highlight_yellow();
505 off_circle = ansi_normal();
506 circle = true;
507 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
508 off_loaded = underline ? on_underline : ansi_normal();
509 } else if (streq(u->active_state, "failed") && !arg_plain) {
510 on_circle = ansi_highlight_red();
511 off_circle = ansi_normal();
512 circle = true;
513 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
514 off_active = underline ? on_underline : ansi_normal();
515 }
516
517 if (u->machine) {
518 j = strjoin(u->machine, ":", u->id);
519 if (!j)
520 return log_oom();
521
522 id = j;
523 } else
524 id = u->id;
525
526 if (arg_full) {
527 e = ellipsize(id, id_len, 33);
528 if (!e)
529 return log_oom();
530
531 id = e;
532 }
533
534 if (circle_len > 0)
535 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
536
537 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
538 on_underline,
539 on_active, id_len, id, off_active,
540 on_loaded, load_len, u->load_state, off_loaded,
541 on_active, active_len, u->active_state,
542 sub_len, u->sub_state, off_active,
543 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
544
545 printf("%-*.*s%s\n",
546 desc_len,
547 full ? -1 : (int) desc_len,
548 u->description,
549 off_underline);
550 }
551
552 if (!arg_no_legend) {
553 const char *on, *off;
554
555 if (n_shown) {
556 puts("\n"
557 "LOAD = Reflects whether the unit definition was properly loaded.\n"
558 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
559 "SUB = The low-level unit activation state, values depend on unit type.");
560 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
561 on = ansi_highlight();
562 off = ansi_normal();
563 } else {
564 on = ansi_highlight_red();
565 off = ansi_normal();
566 }
567
568 if (arg_all || strv_contains(arg_states, "inactive"))
569 printf("%s%u loaded units listed.%s\n"
570 "To show all installed unit files use 'systemctl list-unit-files'.\n",
571 on, n_shown, off);
572 else if (!arg_states)
573 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
574 "To show all installed unit files use 'systemctl list-unit-files'.\n",
575 on, n_shown, off);
576 else
577 printf("%u loaded units listed.\n", n_shown);
578 }
579
580 return 0;
581 }
582
583 static int get_unit_list(
584 sd_bus *bus,
585 const char *machine,
586 char **patterns,
587 UnitInfo **unit_infos,
588 int c,
589 sd_bus_message **_reply) {
590
591 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
592 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
593 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
594 size_t size = c;
595 int r;
596 UnitInfo u;
597 bool fallback = false;
598
599 assert(bus);
600 assert(unit_infos);
601 assert(_reply);
602
603 r = sd_bus_message_new_method_call(
604 bus,
605 &m,
606 "org.freedesktop.systemd1",
607 "/org/freedesktop/systemd1",
608 "org.freedesktop.systemd1.Manager",
609 "ListUnitsByPatterns");
610 if (r < 0)
611 return bus_log_create_error(r);
612
613 r = sd_bus_message_append_strv(m, arg_states);
614 if (r < 0)
615 return bus_log_create_error(r);
616
617 r = sd_bus_message_append_strv(m, patterns);
618 if (r < 0)
619 return bus_log_create_error(r);
620
621 r = sd_bus_call(bus, m, 0, &error, &reply);
622 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
623 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
624 /* Fallback to legacy ListUnitsFiltered method */
625 fallback = true;
626 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
627 m = sd_bus_message_unref(m);
628 sd_bus_error_free(&error);
629
630 r = sd_bus_message_new_method_call(
631 bus,
632 &m,
633 "org.freedesktop.systemd1",
634 "/org/freedesktop/systemd1",
635 "org.freedesktop.systemd1.Manager",
636 "ListUnitsFiltered");
637 if (r < 0)
638 return bus_log_create_error(r);
639
640 r = sd_bus_message_append_strv(m, arg_states);
641 if (r < 0)
642 return bus_log_create_error(r);
643
644 r = sd_bus_call(bus, m, 0, &error, &reply);
645 }
646 if (r < 0)
647 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
648
649 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
650 if (r < 0)
651 return bus_log_parse_error(r);
652
653 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
654 u.machine = machine;
655
656 if (!output_show_unit(&u, fallback ? patterns : NULL))
657 continue;
658
659 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
660 return log_oom();
661
662 (*unit_infos)[c++] = u;
663 }
664 if (r < 0)
665 return bus_log_parse_error(r);
666
667 r = sd_bus_message_exit_container(reply);
668 if (r < 0)
669 return bus_log_parse_error(r);
670
671 *_reply = TAKE_PTR(reply);
672
673 return c;
674 }
675
676 static void message_set_freep(Set **set) {
677 set_free_with_destructor(*set, sd_bus_message_unref);
678 }
679
680 static int get_unit_list_recursive(
681 sd_bus *bus,
682 char **patterns,
683 UnitInfo **_unit_infos,
684 Set **_replies,
685 char ***_machines) {
686
687 _cleanup_free_ UnitInfo *unit_infos = NULL;
688 _cleanup_(message_set_freep) Set *replies;
689 sd_bus_message *reply;
690 int c, r;
691
692 assert(bus);
693 assert(_replies);
694 assert(_unit_infos);
695 assert(_machines);
696
697 replies = set_new(NULL);
698 if (!replies)
699 return log_oom();
700
701 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
702 if (c < 0)
703 return c;
704
705 r = set_put(replies, reply);
706 if (r < 0) {
707 sd_bus_message_unref(reply);
708 return log_oom();
709 }
710
711 if (arg_recursive) {
712 _cleanup_strv_free_ char **machines = NULL;
713 char **i;
714
715 r = sd_get_machine_names(&machines);
716 if (r < 0)
717 return log_error_errno(r, "Failed to get machine names: %m");
718
719 STRV_FOREACH(i, machines) {
720 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
721 int k;
722
723 r = sd_bus_open_system_machine(&container, *i);
724 if (r < 0) {
725 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
726 continue;
727 }
728
729 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
730 if (k < 0)
731 return k;
732
733 c = k;
734
735 r = set_put(replies, reply);
736 if (r < 0) {
737 sd_bus_message_unref(reply);
738 return log_oom();
739 }
740 }
741
742 *_machines = TAKE_PTR(machines);
743 } else
744 *_machines = NULL;
745
746 *_unit_infos = TAKE_PTR(unit_infos);
747 *_replies = TAKE_PTR(replies);
748
749 return c;
750 }
751
752 static int list_units(int argc, char *argv[], void *userdata) {
753 _cleanup_free_ UnitInfo *unit_infos = NULL;
754 _cleanup_(message_set_freep) Set *replies = NULL;
755 _cleanup_strv_free_ char **machines = NULL;
756 sd_bus *bus;
757 int r;
758
759 r = acquire_bus(BUS_MANAGER, &bus);
760 if (r < 0)
761 return r;
762
763 (void) pager_open(arg_pager_flags);
764
765 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
766 if (r < 0)
767 return r;
768
769 typesafe_qsort(unit_infos, r, compare_unit_info);
770 return output_units_list(unit_infos, r);
771 }
772
773 static int get_triggered_units(
774 sd_bus *bus,
775 const char* path,
776 char*** ret) {
777
778 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
779 int r;
780
781 assert(bus);
782 assert(path);
783 assert(ret);
784
785 r = sd_bus_get_property_strv(
786 bus,
787 "org.freedesktop.systemd1",
788 path,
789 "org.freedesktop.systemd1.Unit",
790 "Triggers",
791 &error,
792 ret);
793 if (r < 0)
794 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
795
796 return 0;
797 }
798
799 static int get_listening(
800 sd_bus *bus,
801 const char* unit_path,
802 char*** listening) {
803
804 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
805 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
806 const char *type, *path;
807 int r, n = 0;
808
809 r = sd_bus_get_property(
810 bus,
811 "org.freedesktop.systemd1",
812 unit_path,
813 "org.freedesktop.systemd1.Socket",
814 "Listen",
815 &error,
816 &reply,
817 "a(ss)");
818 if (r < 0)
819 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
820
821 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
822 if (r < 0)
823 return bus_log_parse_error(r);
824
825 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
826
827 r = strv_extend(listening, type);
828 if (r < 0)
829 return log_oom();
830
831 r = strv_extend(listening, path);
832 if (r < 0)
833 return log_oom();
834
835 n++;
836 }
837 if (r < 0)
838 return bus_log_parse_error(r);
839
840 r = sd_bus_message_exit_container(reply);
841 if (r < 0)
842 return bus_log_parse_error(r);
843
844 return n;
845 }
846
847 struct socket_info {
848 const char *machine;
849 const char* id;
850
851 char* type;
852 char* path;
853
854 /* Note: triggered is a list here, although it almost certainly
855 * will always be one unit. Nevertheless, dbus API allows for multiple
856 * values, so let's follow that. */
857 char** triggered;
858
859 /* The strv above is shared. free is set only in the first one. */
860 bool own_triggered;
861 };
862
863 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
864 int r;
865
866 assert(a);
867 assert(b);
868
869 if (!a->machine && b->machine)
870 return -1;
871 if (a->machine && !b->machine)
872 return 1;
873 if (a->machine && b->machine) {
874 r = strcasecmp(a->machine, b->machine);
875 if (r != 0)
876 return r;
877 }
878
879 r = strcmp(a->path, b->path);
880 if (r == 0)
881 r = strcmp(a->type, b->type);
882
883 return r;
884 }
885
886 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
887 struct socket_info *s;
888 unsigned pathlen = STRLEN("LISTEN"),
889 typelen = STRLEN("TYPE") * arg_show_types,
890 socklen = STRLEN("UNIT"),
891 servlen = STRLEN("ACTIVATES");
892 const char *on, *off;
893
894 for (s = socket_infos; s < socket_infos + cs; s++) {
895 unsigned tmp = 0;
896 char **a;
897
898 socklen = MAX(socklen, strlen(s->id));
899 if (arg_show_types)
900 typelen = MAX(typelen, strlen(s->type));
901 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
902
903 STRV_FOREACH(a, s->triggered)
904 tmp += strlen(*a) + 2*(a != s->triggered);
905 servlen = MAX(servlen, tmp);
906 }
907
908 if (cs) {
909 if (!arg_no_legend)
910 printf("%-*s %-*.*s%-*s %s\n",
911 pathlen, "LISTEN",
912 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
913 socklen, "UNIT",
914 "ACTIVATES");
915
916 for (s = socket_infos; s < socket_infos + cs; s++) {
917 _cleanup_free_ char *j = NULL;
918 const char *path;
919 char **a;
920
921 if (s->machine) {
922 j = strjoin(s->machine, ":", s->path);
923 if (!j)
924 return log_oom();
925 path = j;
926 } else
927 path = s->path;
928
929 if (arg_show_types)
930 printf("%-*s %-*s %-*s",
931 pathlen, path, typelen, s->type, socklen, s->id);
932 else
933 printf("%-*s %-*s",
934 pathlen, path, socklen, s->id);
935 STRV_FOREACH(a, s->triggered)
936 printf("%s %s",
937 a == s->triggered ? "" : ",", *a);
938 printf("\n");
939 }
940
941 on = ansi_highlight();
942 off = ansi_normal();
943 if (!arg_no_legend)
944 printf("\n");
945 } else {
946 on = ansi_highlight_red();
947 off = ansi_normal();
948 }
949
950 if (!arg_no_legend) {
951 printf("%s%u sockets listed.%s\n", on, cs, off);
952 if (!arg_all)
953 printf("Pass --all to see loaded but inactive sockets, too.\n");
954 }
955
956 return 0;
957 }
958
959 static int list_sockets(int argc, char *argv[], void *userdata) {
960 _cleanup_(message_set_freep) Set *replies = NULL;
961 _cleanup_strv_free_ char **machines = NULL;
962 _cleanup_free_ UnitInfo *unit_infos = NULL;
963 _cleanup_free_ struct socket_info *socket_infos = NULL;
964 const UnitInfo *u;
965 struct socket_info *s;
966 unsigned cs = 0;
967 size_t size = 0;
968 int r = 0, n;
969 sd_bus *bus;
970
971 r = acquire_bus(BUS_MANAGER, &bus);
972 if (r < 0)
973 return r;
974
975 (void) pager_open(arg_pager_flags);
976
977 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
978 if (n < 0)
979 return n;
980
981 for (u = unit_infos; u < unit_infos + n; u++) {
982 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
983 int i, c;
984
985 if (!endswith(u->id, ".socket"))
986 continue;
987
988 r = get_triggered_units(bus, u->unit_path, &triggered);
989 if (r < 0)
990 goto cleanup;
991
992 c = get_listening(bus, u->unit_path, &listening);
993 if (c < 0) {
994 r = c;
995 goto cleanup;
996 }
997
998 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
999 r = log_oom();
1000 goto cleanup;
1001 }
1002
1003 for (i = 0; i < c; i++)
1004 socket_infos[cs + i] = (struct socket_info) {
1005 .machine = u->machine,
1006 .id = u->id,
1007 .type = listening[i*2],
1008 .path = listening[i*2 + 1],
1009 .triggered = triggered,
1010 .own_triggered = i==0,
1011 };
1012
1013 /* from this point on we will cleanup those socket_infos */
1014 cs += c;
1015 free(listening);
1016 listening = triggered = NULL; /* avoid cleanup */
1017 }
1018
1019 typesafe_qsort(socket_infos, cs, socket_info_compare);
1020
1021 output_sockets_list(socket_infos, cs);
1022
1023 cleanup:
1024 assert(cs == 0 || socket_infos);
1025 for (s = socket_infos; s < socket_infos + cs; s++) {
1026 free(s->type);
1027 free(s->path);
1028 if (s->own_triggered)
1029 strv_free(s->triggered);
1030 }
1031
1032 return r;
1033 }
1034
1035 static int get_next_elapse(
1036 sd_bus *bus,
1037 const char *path,
1038 dual_timestamp *next) {
1039
1040 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1041 dual_timestamp t;
1042 int r;
1043
1044 assert(bus);
1045 assert(path);
1046 assert(next);
1047
1048 r = sd_bus_get_property_trivial(
1049 bus,
1050 "org.freedesktop.systemd1",
1051 path,
1052 "org.freedesktop.systemd1.Timer",
1053 "NextElapseUSecMonotonic",
1054 &error,
1055 't',
1056 &t.monotonic);
1057 if (r < 0)
1058 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1059
1060 r = sd_bus_get_property_trivial(
1061 bus,
1062 "org.freedesktop.systemd1",
1063 path,
1064 "org.freedesktop.systemd1.Timer",
1065 "NextElapseUSecRealtime",
1066 &error,
1067 't',
1068 &t.realtime);
1069 if (r < 0)
1070 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1071
1072 *next = t;
1073 return 0;
1074 }
1075
1076 static int get_last_trigger(
1077 sd_bus *bus,
1078 const char *path,
1079 usec_t *last) {
1080
1081 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1082 int r;
1083
1084 assert(bus);
1085 assert(path);
1086 assert(last);
1087
1088 r = sd_bus_get_property_trivial(
1089 bus,
1090 "org.freedesktop.systemd1",
1091 path,
1092 "org.freedesktop.systemd1.Timer",
1093 "LastTriggerUSec",
1094 &error,
1095 't',
1096 last);
1097 if (r < 0)
1098 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1099
1100 return 0;
1101 }
1102
1103 struct timer_info {
1104 const char* machine;
1105 const char* id;
1106 usec_t next_elapse;
1107 usec_t last_trigger;
1108 char** triggered;
1109 };
1110
1111 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1112 int r;
1113
1114 assert(a);
1115 assert(b);
1116
1117 if (!a->machine && b->machine)
1118 return -1;
1119 if (a->machine && !b->machine)
1120 return 1;
1121 if (a->machine && b->machine) {
1122 r = strcasecmp(a->machine, b->machine);
1123 if (r != 0)
1124 return r;
1125 }
1126
1127 r = CMP(a->next_elapse, b->next_elapse);
1128 if (r != 0)
1129 return r;
1130
1131 return strcmp(a->id, b->id);
1132 }
1133
1134 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1135 struct timer_info *t;
1136 unsigned
1137 nextlen = STRLEN("NEXT"),
1138 leftlen = STRLEN("LEFT"),
1139 lastlen = STRLEN("LAST"),
1140 passedlen = STRLEN("PASSED"),
1141 unitlen = STRLEN("UNIT"),
1142 activatelen = STRLEN("ACTIVATES");
1143
1144 const char *on, *off;
1145
1146 assert(timer_infos || n == 0);
1147
1148 for (t = timer_infos; t < timer_infos + n; t++) {
1149 unsigned ul = 0;
1150 char **a;
1151
1152 if (t->next_elapse > 0) {
1153 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1154
1155 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1156 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1157
1158 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1159 leftlen = MAX(leftlen, strlen(trel));
1160 }
1161
1162 if (t->last_trigger > 0) {
1163 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1164
1165 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1166 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1167
1168 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1169 passedlen = MAX(passedlen, strlen(trel));
1170 }
1171
1172 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1173
1174 STRV_FOREACH(a, t->triggered)
1175 ul += strlen(*a) + 2*(a != t->triggered);
1176
1177 activatelen = MAX(activatelen, ul);
1178 }
1179
1180 if (n > 0) {
1181 if (!arg_no_legend)
1182 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1183 nextlen, "NEXT",
1184 leftlen, "LEFT",
1185 lastlen, "LAST",
1186 passedlen, "PASSED",
1187 unitlen, "UNIT",
1188 "ACTIVATES");
1189
1190 for (t = timer_infos; t < timer_infos + n; t++) {
1191 _cleanup_free_ char *j = NULL;
1192 const char *unit;
1193 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1194 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1195 char **a;
1196
1197 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1198 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1199
1200 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1201 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1202
1203 if (t->machine) {
1204 j = strjoin(t->machine, ":", t->id);
1205 if (!j)
1206 return log_oom();
1207 unit = j;
1208 } else
1209 unit = t->id;
1210
1211 printf("%-*s %-*s %-*s %-*s %-*s",
1212 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1213
1214 STRV_FOREACH(a, t->triggered)
1215 printf("%s %s",
1216 a == t->triggered ? "" : ",", *a);
1217 printf("\n");
1218 }
1219
1220 on = ansi_highlight();
1221 off = ansi_normal();
1222 if (!arg_no_legend)
1223 printf("\n");
1224 } else {
1225 on = ansi_highlight_red();
1226 off = ansi_normal();
1227 }
1228
1229 if (!arg_no_legend) {
1230 printf("%s%u timers listed.%s\n", on, n, off);
1231 if (!arg_all)
1232 printf("Pass --all to see loaded but inactive timers, too.\n");
1233 }
1234
1235 return 0;
1236 }
1237
1238 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1239 usec_t next_elapse;
1240
1241 assert(nw);
1242 assert(next);
1243
1244 if (timestamp_is_set(next->monotonic)) {
1245 usec_t converted;
1246
1247 if (next->monotonic > nw->monotonic)
1248 converted = nw->realtime + (next->monotonic - nw->monotonic);
1249 else
1250 converted = nw->realtime - (nw->monotonic - next->monotonic);
1251
1252 if (timestamp_is_set(next->realtime))
1253 next_elapse = MIN(converted, next->realtime);
1254 else
1255 next_elapse = converted;
1256
1257 } else
1258 next_elapse = next->realtime;
1259
1260 return next_elapse;
1261 }
1262
1263 static int list_timers(int argc, char *argv[], void *userdata) {
1264 _cleanup_(message_set_freep) Set *replies = NULL;
1265 _cleanup_strv_free_ char **machines = NULL;
1266 _cleanup_free_ struct timer_info *timer_infos = NULL;
1267 _cleanup_free_ UnitInfo *unit_infos = NULL;
1268 struct timer_info *t;
1269 const UnitInfo *u;
1270 size_t size = 0;
1271 int n, c = 0;
1272 dual_timestamp nw;
1273 sd_bus *bus;
1274 int r = 0;
1275
1276 r = acquire_bus(BUS_MANAGER, &bus);
1277 if (r < 0)
1278 return r;
1279
1280 (void) pager_open(arg_pager_flags);
1281
1282 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1283 if (n < 0)
1284 return n;
1285
1286 dual_timestamp_get(&nw);
1287
1288 for (u = unit_infos; u < unit_infos + n; u++) {
1289 _cleanup_strv_free_ char **triggered = NULL;
1290 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1291 usec_t m, last = 0;
1292
1293 if (!endswith(u->id, ".timer"))
1294 continue;
1295
1296 r = get_triggered_units(bus, u->unit_path, &triggered);
1297 if (r < 0)
1298 goto cleanup;
1299
1300 r = get_next_elapse(bus, u->unit_path, &next);
1301 if (r < 0)
1302 goto cleanup;
1303
1304 get_last_trigger(bus, u->unit_path, &last);
1305
1306 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1307 r = log_oom();
1308 goto cleanup;
1309 }
1310
1311 m = calc_next_elapse(&nw, &next);
1312
1313 timer_infos[c++] = (struct timer_info) {
1314 .machine = u->machine,
1315 .id = u->id,
1316 .next_elapse = m,
1317 .last_trigger = last,
1318 .triggered = TAKE_PTR(triggered),
1319 };
1320 }
1321
1322 typesafe_qsort(timer_infos, c, timer_info_compare);
1323
1324 output_timers_list(timer_infos, c);
1325
1326 cleanup:
1327 for (t = timer_infos; t < timer_infos + c; t++)
1328 strv_free(t->triggered);
1329
1330 return r;
1331 }
1332
1333 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1334 const char *d1, *d2;
1335
1336 d1 = strrchr(a->path, '.');
1337 d2 = strrchr(b->path, '.');
1338
1339 if (d1 && d2) {
1340 int r;
1341
1342 r = strcasecmp(d1, d2);
1343 if (r != 0)
1344 return r;
1345 }
1346
1347 return strcasecmp(basename(a->path), basename(b->path));
1348 }
1349
1350 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1351 assert(u);
1352
1353 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1354 return false;
1355
1356 if (!strv_isempty(arg_types)) {
1357 const char *dot;
1358
1359 dot = strrchr(u->path, '.');
1360 if (!dot)
1361 return false;
1362
1363 if (!strv_find(arg_types, dot+1))
1364 return false;
1365 }
1366
1367 if (!strv_isempty(states) &&
1368 !strv_find(states, unit_file_state_to_string(u->state)))
1369 return false;
1370
1371 return true;
1372 }
1373
1374 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1375 unsigned max_id_len, id_cols, state_cols;
1376 const UnitFileList *u;
1377
1378 max_id_len = STRLEN("UNIT FILE");
1379 state_cols = STRLEN("STATE");
1380
1381 for (u = units; u < units + c; u++) {
1382 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1383 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1384 }
1385
1386 if (!arg_full) {
1387 unsigned basic_cols;
1388
1389 id_cols = MIN(max_id_len, 25u);
1390 basic_cols = 1 + id_cols + state_cols;
1391 if (basic_cols < (unsigned) columns())
1392 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1393 } else
1394 id_cols = max_id_len;
1395
1396 if (!arg_no_legend && c > 0)
1397 printf("%s%-*s %-*s%s\n",
1398 ansi_underline(),
1399 id_cols, "UNIT FILE",
1400 state_cols, "STATE",
1401 ansi_normal());
1402
1403 for (u = units; u < units + c; u++) {
1404 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1405 _cleanup_free_ char *e = NULL;
1406 bool underline;
1407
1408 underline = u + 1 < units + c &&
1409 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1410
1411 if (underline)
1412 on_underline = ansi_underline();
1413
1414 if (IN_SET(u->state,
1415 UNIT_FILE_MASKED,
1416 UNIT_FILE_MASKED_RUNTIME,
1417 UNIT_FILE_DISABLED,
1418 UNIT_FILE_BAD))
1419 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1420 else if (u->state == UNIT_FILE_ENABLED)
1421 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1422
1423 if (on_underline || on_color)
1424 off = ansi_normal();
1425
1426 id = basename(u->path);
1427
1428 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1429
1430 printf("%s%-*s %s%-*s%s\n",
1431 strempty(on_underline),
1432 id_cols, e ? e : id,
1433 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1434 }
1435
1436 if (!arg_no_legend)
1437 printf("\n%u unit files listed.\n", c);
1438 }
1439
1440 static int list_unit_files(int argc, char *argv[], void *userdata) {
1441 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1442 _cleanup_free_ UnitFileList *units = NULL;
1443 UnitFileList *unit;
1444 size_t size = 0;
1445 unsigned c = 0;
1446 const char *state;
1447 char *path;
1448 int r;
1449 bool fallback = false;
1450
1451 if (install_client_side()) {
1452 Hashmap *h;
1453 UnitFileList *u;
1454 Iterator i;
1455 unsigned n_units;
1456
1457 h = hashmap_new(&string_hash_ops);
1458 if (!h)
1459 return log_oom();
1460
1461 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1462 if (r < 0) {
1463 unit_file_list_free(h);
1464 return log_error_errno(r, "Failed to get unit file list: %m");
1465 }
1466
1467 n_units = hashmap_size(h);
1468
1469 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1470 if (!units) {
1471 unit_file_list_free(h);
1472 return log_oom();
1473 }
1474
1475 HASHMAP_FOREACH(u, h, i) {
1476 if (!output_show_unit_file(u, NULL, NULL))
1477 continue;
1478
1479 units[c++] = *u;
1480 free(u);
1481 }
1482
1483 assert(c <= n_units);
1484 hashmap_free(h);
1485
1486 r = 0;
1487 } else {
1488 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1489 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1490 sd_bus *bus;
1491
1492 r = acquire_bus(BUS_MANAGER, &bus);
1493 if (r < 0)
1494 return r;
1495
1496 r = sd_bus_message_new_method_call(
1497 bus,
1498 &m,
1499 "org.freedesktop.systemd1",
1500 "/org/freedesktop/systemd1",
1501 "org.freedesktop.systemd1.Manager",
1502 "ListUnitFilesByPatterns");
1503 if (r < 0)
1504 return bus_log_create_error(r);
1505
1506 r = sd_bus_message_append_strv(m, arg_states);
1507 if (r < 0)
1508 return bus_log_create_error(r);
1509
1510 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1511 if (r < 0)
1512 return bus_log_create_error(r);
1513
1514 r = sd_bus_call(bus, m, 0, &error, &reply);
1515 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1516 /* Fallback to legacy ListUnitFiles method */
1517 fallback = true;
1518 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1519 m = sd_bus_message_unref(m);
1520 sd_bus_error_free(&error);
1521
1522 r = sd_bus_message_new_method_call(
1523 bus,
1524 &m,
1525 "org.freedesktop.systemd1",
1526 "/org/freedesktop/systemd1",
1527 "org.freedesktop.systemd1.Manager",
1528 "ListUnitFiles");
1529 if (r < 0)
1530 return bus_log_create_error(r);
1531
1532 r = sd_bus_call(bus, m, 0, &error, &reply);
1533 }
1534 if (r < 0)
1535 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1536
1537 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1538 if (r < 0)
1539 return bus_log_parse_error(r);
1540
1541 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1542
1543 if (!GREEDY_REALLOC(units, size, c + 1))
1544 return log_oom();
1545
1546 units[c] = (struct UnitFileList) {
1547 path,
1548 unit_file_state_from_string(state)
1549 };
1550
1551 if (output_show_unit_file(&units[c],
1552 fallback ? arg_states : NULL,
1553 fallback ? strv_skip(argv, 1) : NULL))
1554 c++;
1555
1556 }
1557 if (r < 0)
1558 return bus_log_parse_error(r);
1559
1560 r = sd_bus_message_exit_container(reply);
1561 if (r < 0)
1562 return bus_log_parse_error(r);
1563 }
1564
1565 (void) pager_open(arg_pager_flags);
1566
1567 typesafe_qsort(units, c, compare_unit_file_list);
1568 output_unit_file_list(units, c);
1569
1570 if (install_client_side())
1571 for (unit = units; unit < units + c; unit++)
1572 free(unit->path);
1573
1574 return 0;
1575 }
1576
1577 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1578 _cleanup_free_ char *n = NULL;
1579 size_t max_len = MAX(columns(),20u);
1580 size_t len = 0;
1581 int i;
1582
1583 if (!arg_plain) {
1584
1585 for (i = level - 1; i >= 0; i--) {
1586 len += 2;
1587 if (len > max_len - 3 && !arg_full) {
1588 printf("%s...\n",max_len % 2 ? "" : " ");
1589 return 0;
1590 }
1591 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1592 }
1593 len += 2;
1594
1595 if (len > max_len - 3 && !arg_full) {
1596 printf("%s...\n",max_len % 2 ? "" : " ");
1597 return 0;
1598 }
1599
1600 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1601 }
1602
1603 if (arg_full) {
1604 printf("%s\n", name);
1605 return 0;
1606 }
1607
1608 n = ellipsize(name, max_len-len, 100);
1609 if (!n)
1610 return log_oom();
1611
1612 printf("%s\n", n);
1613 return 0;
1614 }
1615
1616 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1617 struct DependencyStatusInfo {
1618 char **dep[5];
1619 } info = {};
1620
1621 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1622 [DEPENDENCY_FORWARD] = {
1623 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1624 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1625 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1626 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1627 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1628 {}
1629 },
1630 [DEPENDENCY_REVERSE] = {
1631 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1632 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1633 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1634 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1635 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1636 {}
1637 },
1638 [DEPENDENCY_AFTER] = {
1639 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1640 {}
1641 },
1642 [DEPENDENCY_BEFORE] = {
1643 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1644 {}
1645 },
1646 };
1647
1648 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1649 _cleanup_strv_free_ char **ret = NULL;
1650 _cleanup_free_ char *dbus_path = NULL;
1651 int i, r;
1652
1653 assert(bus);
1654 assert(name);
1655 assert(deps);
1656
1657 dbus_path = unit_dbus_path_from_name(name);
1658 if (!dbus_path)
1659 return log_oom();
1660
1661 r = bus_map_all_properties(bus,
1662 "org.freedesktop.systemd1",
1663 dbus_path,
1664 map[arg_dependency],
1665 BUS_MAP_STRDUP,
1666 &error,
1667 NULL,
1668 &info);
1669 if (r < 0)
1670 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1671
1672 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1673 *deps = info.dep[0];
1674 return 0;
1675 }
1676
1677 for (i = 0; i < 5; i++) {
1678 r = strv_extend_strv(&ret, info.dep[i], true);
1679 if (r < 0)
1680 return log_oom();
1681 info.dep[i] = strv_free(info.dep[i]);
1682 }
1683
1684 *deps = TAKE_PTR(ret);
1685
1686 return 0;
1687 }
1688
1689 static int list_dependencies_compare(char * const *a, char * const *b) {
1690 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1691 return 1;
1692 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1693 return -1;
1694
1695 return strcasecmp(*a, *b);
1696 }
1697
1698 static int list_dependencies_one(
1699 sd_bus *bus,
1700 const char *name,
1701 int level,
1702 char ***units,
1703 unsigned branches) {
1704
1705 _cleanup_strv_free_ char **deps = NULL;
1706 char **c;
1707 int r = 0;
1708
1709 assert(bus);
1710 assert(name);
1711 assert(units);
1712
1713 r = strv_extend(units, name);
1714 if (r < 0)
1715 return log_oom();
1716
1717 r = list_dependencies_get_dependencies(bus, name, &deps);
1718 if (r < 0)
1719 return r;
1720
1721 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1722
1723 STRV_FOREACH(c, deps) {
1724 if (strv_contains(*units, *c)) {
1725 if (!arg_plain) {
1726 printf(" ");
1727 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1728 if (r < 0)
1729 return r;
1730 }
1731 continue;
1732 }
1733
1734 if (arg_plain)
1735 printf(" ");
1736 else {
1737 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1738 const char *on;
1739
1740 (void) get_state_one_unit(bus, *c, &active_state);
1741
1742 switch (active_state) {
1743 case UNIT_ACTIVE:
1744 case UNIT_RELOADING:
1745 case UNIT_ACTIVATING:
1746 on = ansi_highlight_green();
1747 break;
1748
1749 case UNIT_INACTIVE:
1750 case UNIT_DEACTIVATING:
1751 on = ansi_normal();
1752 break;
1753
1754 default:
1755 on = ansi_highlight_red();
1756 break;
1757 }
1758
1759 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1760 }
1761
1762 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1763 if (r < 0)
1764 return r;
1765
1766 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1767 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1768 if (r < 0)
1769 return r;
1770 }
1771 }
1772
1773 if (!arg_plain)
1774 strv_remove(*units, name);
1775
1776 return 0;
1777 }
1778
1779 static int list_dependencies(int argc, char *argv[], void *userdata) {
1780 _cleanup_strv_free_ char **units = NULL;
1781 _cleanup_free_ char *unit = NULL;
1782 const char *u;
1783 sd_bus *bus;
1784 int r;
1785
1786 if (argv[1]) {
1787 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1788 if (r < 0)
1789 return log_error_errno(r, "Failed to mangle unit name: %m");
1790
1791 u = unit;
1792 } else
1793 u = SPECIAL_DEFAULT_TARGET;
1794
1795 r = acquire_bus(BUS_MANAGER, &bus);
1796 if (r < 0)
1797 return r;
1798
1799 (void) pager_open(arg_pager_flags);
1800
1801 puts(u);
1802
1803 return list_dependencies_one(bus, u, 0, &units, 0);
1804 }
1805
1806 struct machine_info {
1807 bool is_host;
1808 char *name;
1809 char *state;
1810 char *control_group;
1811 uint32_t n_failed_units;
1812 uint32_t n_jobs;
1813 usec_t timestamp;
1814 };
1815
1816 static const struct bus_properties_map machine_info_property_map[] = {
1817 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1818 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1819 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1820 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1821 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1822 {}
1823 };
1824
1825 static void machine_info_clear(struct machine_info *info) {
1826 assert(info);
1827
1828 free(info->name);
1829 free(info->state);
1830 free(info->control_group);
1831 zero(*info);
1832 }
1833
1834 static void free_machines_list(struct machine_info *machine_infos, int n) {
1835 int i;
1836
1837 if (!machine_infos)
1838 return;
1839
1840 for (i = 0; i < n; i++)
1841 machine_info_clear(&machine_infos[i]);
1842
1843 free(machine_infos);
1844 }
1845
1846 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1847 int r;
1848
1849 r = CMP(b->is_host, a->is_host);
1850 if (r != 0)
1851 return r;
1852
1853 return strcasecmp(a->name, b->name);
1854 }
1855
1856 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1857 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1858 int r;
1859
1860 assert(mi);
1861
1862 if (!bus) {
1863 r = sd_bus_open_system_machine(&container, mi->name);
1864 if (r < 0)
1865 return r;
1866
1867 bus = container;
1868 }
1869
1870 r = bus_map_all_properties(
1871 bus,
1872 "org.freedesktop.systemd1",
1873 "/org/freedesktop/systemd1",
1874 machine_info_property_map,
1875 BUS_MAP_STRDUP,
1876 NULL,
1877 NULL,
1878 mi);
1879 if (r < 0)
1880 return r;
1881
1882 return 0;
1883 }
1884
1885 static bool output_show_machine(const char *name, char **patterns) {
1886 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1887 }
1888
1889 static int get_machine_list(
1890 sd_bus *bus,
1891 struct machine_info **_machine_infos,
1892 char **patterns) {
1893
1894 struct machine_info *machine_infos = NULL;
1895 _cleanup_strv_free_ char **m = NULL;
1896 _cleanup_free_ char *hn = NULL;
1897 size_t sz = 0;
1898 char **i;
1899 int c = 0, r;
1900
1901 hn = gethostname_malloc();
1902 if (!hn)
1903 return log_oom();
1904
1905 if (output_show_machine(hn, patterns)) {
1906 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1907 return log_oom();
1908
1909 machine_infos[c].is_host = true;
1910 machine_infos[c].name = TAKE_PTR(hn);
1911
1912 (void) get_machine_properties(bus, &machine_infos[c]);
1913 c++;
1914 }
1915
1916 r = sd_get_machine_names(&m);
1917 if (r < 0)
1918 return log_error_errno(r, "Failed to get machine list: %m");
1919
1920 STRV_FOREACH(i, m) {
1921 _cleanup_free_ char *class = NULL;
1922
1923 if (!output_show_machine(*i, patterns))
1924 continue;
1925
1926 sd_machine_get_class(*i, &class);
1927 if (!streq_ptr(class, "container"))
1928 continue;
1929
1930 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1931 free_machines_list(machine_infos, c);
1932 return log_oom();
1933 }
1934
1935 machine_infos[c].is_host = false;
1936 machine_infos[c].name = strdup(*i);
1937 if (!machine_infos[c].name) {
1938 free_machines_list(machine_infos, c);
1939 return log_oom();
1940 }
1941
1942 (void) get_machine_properties(NULL, &machine_infos[c]);
1943 c++;
1944 }
1945
1946 *_machine_infos = machine_infos;
1947 return c;
1948 }
1949
1950 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1951 struct machine_info *m;
1952 unsigned
1953 circle_len = 0,
1954 namelen = STRLEN("NAME"),
1955 statelen = STRLEN("STATE"),
1956 failedlen = STRLEN("FAILED"),
1957 jobslen = STRLEN("JOBS");
1958 bool state_missing = false;
1959
1960 assert(machine_infos || n == 0);
1961
1962 for (m = machine_infos; m < machine_infos + n; m++) {
1963 namelen = MAX(namelen,
1964 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1965 statelen = MAX(statelen, strlen_ptr(m->state));
1966 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1967 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1968
1969 if (!arg_plain && m->state && !streq(m->state, "running"))
1970 circle_len = 2;
1971 }
1972
1973 if (!arg_no_legend) {
1974 if (circle_len > 0)
1975 fputs(" ", stdout);
1976
1977 printf("%-*s %-*s %-*s %-*s\n",
1978 namelen, "NAME",
1979 statelen, "STATE",
1980 failedlen, "FAILED",
1981 jobslen, "JOBS");
1982 }
1983
1984 for (m = machine_infos; m < machine_infos + n; m++) {
1985 const char *on_state = "", *off_state = "";
1986 const char *on_failed = "", *off_failed = "";
1987 bool circle = false;
1988
1989 if (streq_ptr(m->state, "degraded")) {
1990 on_state = ansi_highlight_red();
1991 off_state = ansi_normal();
1992 circle = true;
1993 } else if (!streq_ptr(m->state, "running")) {
1994 on_state = ansi_highlight_yellow();
1995 off_state = ansi_normal();
1996 circle = true;
1997 }
1998
1999 if (m->n_failed_units > 0) {
2000 on_failed = ansi_highlight_red();
2001 off_failed = ansi_normal();
2002 } else
2003 on_failed = off_failed = "";
2004
2005 if (circle_len > 0)
2006 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
2007
2008 if (!m->state)
2009 state_missing = true;
2010
2011 if (m->is_host)
2012 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2013 (int) (namelen - strlen(" (host)")),
2014 strna(m->name),
2015 on_state, statelen, strna(m->state), off_state,
2016 on_failed, failedlen, m->n_failed_units, off_failed,
2017 jobslen, m->n_jobs);
2018 else
2019 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2020 namelen, strna(m->name),
2021 on_state, statelen, strna(m->state), off_state,
2022 on_failed, failedlen, m->n_failed_units, off_failed,
2023 jobslen, m->n_jobs);
2024 }
2025
2026 if (!arg_no_legend) {
2027 printf("\n");
2028 if (state_missing && geteuid() != 0)
2029 printf("Notice: some information only available to privileged users was not shown.\n");
2030 printf("%u machines listed.\n", n);
2031 }
2032 }
2033
2034 static int list_machines(int argc, char *argv[], void *userdata) {
2035 struct machine_info *machine_infos = NULL;
2036 sd_bus *bus;
2037 int r;
2038
2039 r = acquire_bus(BUS_MANAGER, &bus);
2040 if (r < 0)
2041 return r;
2042
2043 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2044 if (r < 0)
2045 return r;
2046
2047 (void) pager_open(arg_pager_flags);
2048
2049 typesafe_qsort(machine_infos, r, compare_machine_info);
2050 output_machines_list(machine_infos, r);
2051 free_machines_list(machine_infos, r);
2052
2053 return 0;
2054 }
2055
2056 static int get_default(int argc, char *argv[], void *userdata) {
2057 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2058 _cleanup_free_ char *_path = NULL;
2059 const char *path;
2060 int r;
2061
2062 if (install_client_side()) {
2063 r = unit_file_get_default(arg_scope, arg_root, &_path);
2064 if (r < 0)
2065 return log_error_errno(r, "Failed to get default target: %m");
2066 path = _path;
2067
2068 r = 0;
2069 } else {
2070 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2071 sd_bus *bus;
2072
2073 r = acquire_bus(BUS_MANAGER, &bus);
2074 if (r < 0)
2075 return r;
2076
2077 r = sd_bus_call_method(
2078 bus,
2079 "org.freedesktop.systemd1",
2080 "/org/freedesktop/systemd1",
2081 "org.freedesktop.systemd1.Manager",
2082 "GetDefaultTarget",
2083 &error,
2084 &reply,
2085 NULL);
2086 if (r < 0)
2087 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2088
2089 r = sd_bus_message_read(reply, "s", &path);
2090 if (r < 0)
2091 return bus_log_parse_error(r);
2092 }
2093
2094 if (path)
2095 printf("%s\n", path);
2096
2097 return 0;
2098 }
2099
2100 static int set_default(int argc, char *argv[], void *userdata) {
2101 _cleanup_free_ char *unit = NULL;
2102 UnitFileChange *changes = NULL;
2103 size_t n_changes = 0;
2104 int r;
2105
2106 assert(argc >= 2);
2107 assert(argv);
2108
2109 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2110 if (r < 0)
2111 return log_error_errno(r, "Failed to mangle unit name: %m");
2112
2113 if (install_client_side()) {
2114 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2115 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2116
2117 if (r > 0)
2118 r = 0;
2119 } else {
2120 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2121 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2122 sd_bus *bus;
2123
2124 polkit_agent_open_maybe();
2125
2126 r = acquire_bus(BUS_MANAGER, &bus);
2127 if (r < 0)
2128 return r;
2129
2130 r = sd_bus_call_method(
2131 bus,
2132 "org.freedesktop.systemd1",
2133 "/org/freedesktop/systemd1",
2134 "org.freedesktop.systemd1.Manager",
2135 "SetDefaultTarget",
2136 &error,
2137 &reply,
2138 "sb", unit, 1);
2139 if (r < 0)
2140 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2141
2142 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2143 if (r < 0)
2144 goto finish;
2145
2146 /* Try to reload if enabled */
2147 if (!arg_no_reload)
2148 r = daemon_reload(argc, argv, userdata);
2149 else
2150 r = 0;
2151 }
2152
2153 finish:
2154 unit_file_changes_free(changes, n_changes);
2155
2156 return r;
2157 }
2158
2159 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2160 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2161 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2162 const char *name, *type;
2163 uint32_t other_id;
2164 int r;
2165
2166 assert(bus);
2167
2168 r = sd_bus_call_method(
2169 bus,
2170 "org.freedesktop.systemd1",
2171 "/org/freedesktop/systemd1",
2172 "org.freedesktop.systemd1.Manager",
2173 method,
2174 &error,
2175 &reply,
2176 "u", id);
2177 if (r < 0)
2178 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2179
2180 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2181 if (r < 0)
2182 return bus_log_parse_error(r);
2183
2184 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2185 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2186 if (r < 0)
2187 return bus_log_parse_error(r);
2188
2189 r = sd_bus_message_exit_container(reply);
2190 if (r < 0)
2191 return bus_log_parse_error(r);
2192
2193 return 0;
2194 }
2195
2196 struct job_info {
2197 uint32_t id;
2198 const char *name, *type, *state;
2199 };
2200
2201 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2202 unsigned id_len, unit_len, type_len, state_len;
2203 const struct job_info *j;
2204 const char *on, *off;
2205 bool shorten = false;
2206
2207 assert(n == 0 || jobs);
2208
2209 if (n == 0) {
2210 if (!arg_no_legend) {
2211 on = ansi_highlight_green();
2212 off = ansi_normal();
2213
2214 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2215 }
2216 return;
2217 }
2218
2219 (void) pager_open(arg_pager_flags);
2220
2221 id_len = STRLEN("JOB");
2222 unit_len = STRLEN("UNIT");
2223 type_len = STRLEN("TYPE");
2224 state_len = STRLEN("STATE");
2225
2226 for (j = jobs; j < jobs + n; j++) {
2227 uint32_t id = j->id;
2228 assert(j->name && j->type && j->state);
2229
2230 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2231 unit_len = MAX(unit_len, strlen(j->name));
2232 type_len = MAX(type_len, strlen(j->type));
2233 state_len = MAX(state_len, strlen(j->state));
2234 }
2235
2236 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2237 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2238 shorten = true;
2239 }
2240
2241 if (!arg_no_legend)
2242 printf("%*s %-*s %-*s %-*s\n",
2243 id_len, "JOB",
2244 unit_len, "UNIT",
2245 type_len, "TYPE",
2246 state_len, "STATE");
2247
2248 for (j = jobs; j < jobs + n; j++) {
2249 _cleanup_free_ char *e = NULL;
2250
2251 if (streq(j->state, "running")) {
2252 on = ansi_highlight();
2253 off = ansi_normal();
2254 } else
2255 on = off = "";
2256
2257 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2258 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2259 id_len, j->id,
2260 on, unit_len, e ? e : j->name, off,
2261 type_len, j->type,
2262 on, state_len, j->state, off);
2263
2264 if (arg_jobs_after)
2265 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2266 if (arg_jobs_before)
2267 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2268 }
2269
2270 if (!arg_no_legend) {
2271 on = ansi_highlight();
2272 off = ansi_normal();
2273
2274 printf("\n%s%u jobs listed%s.\n", on, n, off);
2275 }
2276 }
2277
2278 static bool output_show_job(struct job_info *job, char **patterns) {
2279 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2280 }
2281
2282 static int list_jobs(int argc, char *argv[], void *userdata) {
2283 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2284 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2285 _cleanup_free_ struct job_info *jobs = NULL;
2286 const char *name, *type, *state;
2287 bool skipped = false;
2288 size_t size = 0;
2289 unsigned c = 0;
2290 sd_bus *bus;
2291 uint32_t id;
2292 int r;
2293
2294 r = acquire_bus(BUS_MANAGER, &bus);
2295 if (r < 0)
2296 return r;
2297
2298 r = sd_bus_call_method(
2299 bus,
2300 "org.freedesktop.systemd1",
2301 "/org/freedesktop/systemd1",
2302 "org.freedesktop.systemd1.Manager",
2303 "ListJobs",
2304 &error,
2305 &reply,
2306 NULL);
2307 if (r < 0)
2308 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2309
2310 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2311 if (r < 0)
2312 return bus_log_parse_error(r);
2313
2314 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2315 struct job_info job = { id, name, type, state };
2316
2317 if (!output_show_job(&job, strv_skip(argv, 1))) {
2318 skipped = true;
2319 continue;
2320 }
2321
2322 if (!GREEDY_REALLOC(jobs, size, c + 1))
2323 return log_oom();
2324
2325 jobs[c++] = job;
2326 }
2327 if (r < 0)
2328 return bus_log_parse_error(r);
2329
2330 r = sd_bus_message_exit_container(reply);
2331 if (r < 0)
2332 return bus_log_parse_error(r);
2333
2334 (void) pager_open(arg_pager_flags);
2335
2336 output_jobs_list(bus, jobs, c, skipped);
2337 return 0;
2338 }
2339
2340 static int cancel_job(int argc, char *argv[], void *userdata) {
2341 sd_bus *bus;
2342 char **name;
2343 int r = 0;
2344
2345 if (argc <= 1)
2346 return trivial_method(argc, argv, userdata);
2347
2348 r = acquire_bus(BUS_MANAGER, &bus);
2349 if (r < 0)
2350 return r;
2351
2352 polkit_agent_open_maybe();
2353
2354 STRV_FOREACH(name, strv_skip(argv, 1)) {
2355 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2356 uint32_t id;
2357 int q;
2358
2359 q = safe_atou32(*name, &id);
2360 if (q < 0)
2361 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2362
2363 q = sd_bus_call_method(
2364 bus,
2365 "org.freedesktop.systemd1",
2366 "/org/freedesktop/systemd1",
2367 "org.freedesktop.systemd1.Manager",
2368 "CancelJob",
2369 &error,
2370 NULL,
2371 "u", id);
2372 if (q < 0) {
2373 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2374 if (r == 0)
2375 r = q;
2376 }
2377 }
2378
2379 return r;
2380 }
2381
2382 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2383 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2384 const char *path;
2385 int b, r;
2386
2387 /* We ignore all errors here, since this is used to show a
2388 * warning only */
2389
2390 /* We don't use unit_dbus_path_from_name() directly since we
2391 * don't want to load the unit if it isn't loaded. */
2392
2393 r = sd_bus_call_method(
2394 bus,
2395 "org.freedesktop.systemd1",
2396 "/org/freedesktop/systemd1",
2397 "org.freedesktop.systemd1.Manager",
2398 "GetUnit",
2399 NULL,
2400 &reply,
2401 "s", unit);
2402 if (r < 0)
2403 return r;
2404
2405 r = sd_bus_message_read(reply, "o", &path);
2406 if (r < 0)
2407 return r;
2408
2409 r = sd_bus_get_property_trivial(
2410 bus,
2411 "org.freedesktop.systemd1",
2412 path,
2413 "org.freedesktop.systemd1.Unit",
2414 "NeedDaemonReload",
2415 NULL,
2416 'b', &b);
2417 if (r < 0)
2418 return r;
2419
2420 return b;
2421 }
2422
2423 static void warn_unit_file_changed(const char *name) {
2424 assert(name);
2425
2426 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.",
2427 ansi_highlight_red(),
2428 ansi_normal(),
2429 name,
2430 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2431 }
2432
2433 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2434 char **p;
2435
2436 assert(lp);
2437 assert(unit_name);
2438
2439 STRV_FOREACH(p, lp->search_path) {
2440 _cleanup_free_ char *path = NULL, *lpath = NULL;
2441 int r;
2442
2443 path = path_join(*p, unit_name);
2444 if (!path)
2445 return log_oom();
2446
2447 r = chase_symlinks(path, arg_root, 0, &lpath);
2448 if (r == -ENOENT)
2449 continue;
2450 if (r == -ENOMEM)
2451 return log_oom();
2452 if (r < 0)
2453 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2454
2455 if (ret_unit_path)
2456 *ret_unit_path = TAKE_PTR(lpath);
2457
2458 return 1;
2459 }
2460
2461 if (ret_unit_path)
2462 *ret_unit_path = NULL;
2463
2464 return 0;
2465 }
2466
2467 static int unit_find_template_path(
2468 const char *unit_name,
2469 LookupPaths *lp,
2470 char **ret_fragment_path,
2471 char **ret_template) {
2472
2473 _cleanup_free_ char *t = NULL, *f = NULL;
2474 int r;
2475
2476 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2477
2478 r = unit_file_find_path(lp, unit_name, &f);
2479 if (r < 0)
2480 return r;
2481 if (r > 0) {
2482 if (ret_fragment_path)
2483 *ret_fragment_path = TAKE_PTR(f);
2484 if (ret_template)
2485 *ret_template = NULL;
2486 return r; /* found a real unit */
2487 }
2488
2489 r = unit_name_template(unit_name, &t);
2490 if (r == -EINVAL) {
2491 if (ret_fragment_path)
2492 *ret_fragment_path = NULL;
2493 if (ret_template)
2494 *ret_template = NULL;
2495
2496 return 0; /* not a template, does not exist */
2497 }
2498 if (r < 0)
2499 return log_error_errno(r, "Failed to determine template name: %m");
2500
2501 r = unit_file_find_path(lp, t, ret_fragment_path);
2502 if (r < 0)
2503 return r;
2504
2505 if (ret_template)
2506 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2507
2508 return r;
2509 }
2510
2511 static int unit_find_paths(
2512 sd_bus *bus,
2513 const char *unit_name,
2514 LookupPaths *lp,
2515 bool force_client_side,
2516 char **ret_fragment_path,
2517 char ***ret_dropin_paths) {
2518
2519 _cleanup_strv_free_ char **dropins = NULL;
2520 _cleanup_free_ char *path = NULL;
2521 int r;
2522
2523 /**
2524 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2525 * found, and sets:
2526 * - the path to the unit in *ret_frament_path, if it exists on disk,
2527 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2528 * were found.
2529 *
2530 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2531 * some reason (the latter only applies if we are going through the service manager).
2532 */
2533
2534 assert(unit_name);
2535 assert(ret_fragment_path);
2536 assert(lp);
2537
2538 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2539 if (!force_client_side &&
2540 !install_client_side() &&
2541 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2542 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2543 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2544
2545 dbus_path = unit_dbus_path_from_name(unit_name);
2546 if (!dbus_path)
2547 return log_oom();
2548
2549 r = sd_bus_get_property_string(
2550 bus,
2551 "org.freedesktop.systemd1",
2552 dbus_path,
2553 "org.freedesktop.systemd1.Unit",
2554 "LoadState",
2555 &error,
2556 &load_state);
2557 if (r < 0)
2558 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2559
2560 if (streq(load_state, "masked"))
2561 return -ERFKILL;
2562 if (streq(load_state, "not-found")) {
2563 r = 0;
2564 goto not_found;
2565 }
2566 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2567 return -EKEYREJECTED;
2568
2569 r = sd_bus_get_property_string(
2570 bus,
2571 "org.freedesktop.systemd1",
2572 dbus_path,
2573 "org.freedesktop.systemd1.Unit",
2574 "FragmentPath",
2575 &error,
2576 &path);
2577 if (r < 0)
2578 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2579
2580 if (ret_dropin_paths) {
2581 r = sd_bus_get_property_strv(
2582 bus,
2583 "org.freedesktop.systemd1",
2584 dbus_path,
2585 "org.freedesktop.systemd1.Unit",
2586 "DropInPaths",
2587 &error,
2588 &dropins);
2589 if (r < 0)
2590 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2591 }
2592 } else {
2593 const char *_path;
2594 _cleanup_set_free_free_ Set *names = NULL;
2595
2596 if (!cached_name_map) {
2597 r = unit_file_build_name_map(lp, NULL, &cached_id_map, &cached_name_map, NULL);
2598 if (r < 0)
2599 return r;
2600 }
2601
2602 r = unit_file_find_fragment(cached_id_map, cached_name_map, unit_name, &_path, &names);
2603 if (r < 0)
2604 return r;
2605
2606 if (_path) {
2607 path = strdup(_path);
2608 if (!path)
2609 return log_oom();
2610 }
2611
2612 if (ret_dropin_paths) {
2613 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2614 ".d", ".conf",
2615 names, &dropins);
2616 if (r < 0)
2617 return r;
2618 }
2619 }
2620
2621 if (isempty(path)) {
2622 *ret_fragment_path = NULL;
2623 r = 0;
2624 } else {
2625 *ret_fragment_path = TAKE_PTR(path);
2626 r = 1;
2627 }
2628
2629 if (ret_dropin_paths) {
2630 if (!strv_isempty(dropins)) {
2631 *ret_dropin_paths = TAKE_PTR(dropins);
2632 r = 1;
2633 } else
2634 *ret_dropin_paths = NULL;
2635 }
2636
2637 not_found:
2638 if (r == 0 && !arg_force)
2639 log_error("No files found for %s.", unit_name);
2640
2641 return r;
2642 }
2643
2644 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2645 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2646 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2647 UnitActiveState state;
2648 int r;
2649
2650 assert(name);
2651 assert(active_state);
2652
2653 dbus_path = unit_dbus_path_from_name(name);
2654 if (!dbus_path)
2655 return log_oom();
2656
2657 r = sd_bus_get_property_string(
2658 bus,
2659 "org.freedesktop.systemd1",
2660 dbus_path,
2661 "org.freedesktop.systemd1.Unit",
2662 "ActiveState",
2663 &error,
2664 &buf);
2665 if (r < 0)
2666 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2667
2668 state = unit_active_state_from_string(buf);
2669 if (state < 0)
2670 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2671
2672 *active_state = state;
2673 return 0;
2674 }
2675
2676 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2677 _cleanup_free_ char *load_state = NULL;
2678 int r;
2679
2680 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2681 _cleanup_free_ char *path = NULL;
2682
2683 /* A template cannot be loaded, but it can be still masked, so
2684 * we need to use a different method. */
2685
2686 r = unit_file_find_path(lp, name, &path);
2687 if (r < 0)
2688 return r;
2689 if (r == 0)
2690 return false;
2691 return null_or_empty_path(path);
2692 }
2693
2694 r = unit_load_state(bus, name, &load_state);
2695 if (r < 0)
2696 return r;
2697
2698 return streq(load_state, "masked");
2699 }
2700
2701 static int check_triggering_units(sd_bus *bus, const char *name) {
2702 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2703 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2704 _cleanup_strv_free_ char **triggered_by = NULL;
2705 bool print_warning_label = true;
2706 UnitActiveState active_state;
2707 char **i;
2708 int r;
2709
2710 r = unit_name_mangle(name, 0, &n);
2711 if (r < 0)
2712 return log_error_errno(r, "Failed to mangle unit name: %m");
2713
2714 r = unit_load_state(bus, name, &load_state);
2715 if (r < 0)
2716 return r;
2717
2718 if (streq(load_state, "masked"))
2719 return 0;
2720
2721 dbus_path = unit_dbus_path_from_name(n);
2722 if (!dbus_path)
2723 return log_oom();
2724
2725 r = sd_bus_get_property_strv(
2726 bus,
2727 "org.freedesktop.systemd1",
2728 dbus_path,
2729 "org.freedesktop.systemd1.Unit",
2730 "TriggeredBy",
2731 &error,
2732 &triggered_by);
2733 if (r < 0)
2734 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2735
2736 STRV_FOREACH(i, triggered_by) {
2737 r = get_state_one_unit(bus, *i, &active_state);
2738 if (r < 0)
2739 return r;
2740
2741 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2742 continue;
2743
2744 if (print_warning_label) {
2745 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2746 print_warning_label = false;
2747 }
2748
2749 log_warning(" %s", *i);
2750 }
2751
2752 return 0;
2753 }
2754
2755 static const struct {
2756 const char *verb; /* systemctl verb */
2757 const char *method; /* Name of the specific D-Bus method */
2758 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2759 } unit_actions[] = {
2760 { "start", "StartUnit", "start" },
2761 { "stop", "StopUnit", "stop" },
2762 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2763 { "reload", "ReloadUnit", "reload" },
2764 { "restart", "RestartUnit", "restart" },
2765 { "try-restart", "TryRestartUnit", "try-restart" },
2766 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2767 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2768 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2769 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2770 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2771 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2772 };
2773
2774 static const char *verb_to_method(const char *verb) {
2775 size_t i;
2776
2777 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2778 if (streq_ptr(unit_actions[i].verb, verb))
2779 return unit_actions[i].method;
2780
2781 return "StartUnit";
2782 }
2783
2784 static const char *verb_to_job_type(const char *verb) {
2785 size_t i;
2786
2787 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2788 if (streq_ptr(unit_actions[i].verb, verb))
2789 return unit_actions[i].job_type;
2790
2791 return "start";
2792 }
2793
2794 static int start_unit_one(
2795 sd_bus *bus,
2796 const char *method, /* When using classic per-job bus methods */
2797 const char *job_type, /* When using new-style EnqueueUnitJob() */
2798 const char *name,
2799 const char *mode,
2800 sd_bus_error *error,
2801 BusWaitForJobs *w,
2802 BusWaitForUnits *wu) {
2803
2804 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2805 const char *path;
2806 bool done = false;
2807 int r;
2808
2809 assert(method);
2810 assert(name);
2811 assert(mode);
2812 assert(error);
2813
2814 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2815 arg_dry_run ? "Would execute" : "Executing",
2816 method, name, mode);
2817
2818 if (arg_dry_run)
2819 return 0;
2820
2821 if (arg_show_transaction) {
2822 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2823
2824 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2825 r = sd_bus_call_method(
2826 bus,
2827 "org.freedesktop.systemd1",
2828 "/org/freedesktop/systemd1",
2829 "org.freedesktop.systemd1.Manager",
2830 "EnqueueUnitJob",
2831 &enqueue_error,
2832 &reply,
2833 "sss",
2834 name, job_type, mode);
2835 if (r < 0) {
2836 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2837 (void) sd_bus_error_move(error, &enqueue_error);
2838 goto fail;
2839 }
2840
2841 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2842 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2843 } else {
2844 const char *u, *jt;
2845 uint32_t id;
2846
2847 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2848 if (r < 0)
2849 return bus_log_parse_error(r);
2850
2851 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2852
2853 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2854 if (r < 0)
2855 return bus_log_parse_error(r);
2856 for (;;) {
2857 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2858 if (r < 0)
2859 return bus_log_parse_error(r);
2860 if (r == 0)
2861 break;
2862
2863 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2864 }
2865
2866 r = sd_bus_message_exit_container(reply);
2867 if (r < 0)
2868 return bus_log_parse_error(r);
2869
2870 done = true;
2871 }
2872 }
2873
2874 if (!done) {
2875 r = sd_bus_call_method(
2876 bus,
2877 "org.freedesktop.systemd1",
2878 "/org/freedesktop/systemd1",
2879 "org.freedesktop.systemd1.Manager",
2880 method,
2881 error,
2882 &reply,
2883 "ss", name, mode);
2884 if (r < 0)
2885 goto fail;
2886
2887 r = sd_bus_message_read(reply, "o", &path);
2888 if (r < 0)
2889 return bus_log_parse_error(r);
2890 }
2891
2892 if (need_daemon_reload(bus, name) > 0)
2893 warn_unit_file_changed(name);
2894
2895 if (w) {
2896 log_debug("Adding %s to the set", path);
2897 r = bus_wait_for_jobs_add(w, path);
2898 if (r < 0)
2899 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2900 }
2901
2902 if (wu) {
2903 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2904 if (r < 0)
2905 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2906 }
2907
2908 return 0;
2909
2910 fail:
2911 /* There's always a fallback possible for legacy actions. */
2912 if (arg_action != ACTION_SYSTEMCTL)
2913 return r;
2914
2915 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2916
2917 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2918 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2919 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2920 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2921 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2922 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2923 name[0] == '-' ? " --" : "",
2924 name);
2925
2926 return r;
2927 }
2928
2929 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2930 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2931 char **name;
2932 int r, i;
2933
2934 assert(bus);
2935 assert(ret);
2936
2937 STRV_FOREACH(name, names) {
2938 char *t;
2939 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2940
2941 if (suffix)
2942 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2943 else
2944 r = unit_name_mangle(*name, options, &t);
2945 if (r < 0)
2946 return log_error_errno(r, "Failed to mangle name: %m");
2947
2948 if (string_is_glob(t))
2949 r = strv_consume(&globs, t);
2950 else
2951 r = strv_consume(&mangled, t);
2952 if (r < 0)
2953 return log_oom();
2954 }
2955
2956 /* Query the manager only if any of the names are a glob, since
2957 * this is fairly expensive */
2958 if (!strv_isempty(globs)) {
2959 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2960 _cleanup_free_ UnitInfo *unit_infos = NULL;
2961 size_t allocated, n;
2962
2963 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2964 if (r < 0)
2965 return r;
2966
2967 n = strv_length(mangled);
2968 allocated = n + 1;
2969
2970 for (i = 0; i < r; i++) {
2971 if (!GREEDY_REALLOC(mangled, allocated, n+2))
2972 return log_oom();
2973
2974 mangled[n] = strdup(unit_infos[i].id);
2975 if (!mangled[n])
2976 return log_oom();
2977
2978 mangled[++n] = NULL;
2979 }
2980 }
2981
2982 *ret = TAKE_PTR(mangled);
2983 return 0;
2984 }
2985
2986 static const struct {
2987 const char *target;
2988 const char *verb;
2989 const char *mode;
2990 } action_table[_ACTION_MAX] = {
2991 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2992 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2993 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2994 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2995 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2996 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2997 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2998 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
2999 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3000 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3001 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3002 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3003 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3004 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3005 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3006 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3007 };
3008
3009 static enum action verb_to_action(const char *verb) {
3010 enum action i;
3011
3012 for (i = 0; i < _ACTION_MAX; i++)
3013 if (streq_ptr(action_table[i].verb, verb))
3014 return i;
3015
3016 return _ACTION_INVALID;
3017 }
3018
3019 static const char** make_extra_args(const char *extra_args[static 4]) {
3020 size_t n = 0;
3021
3022 assert(extra_args);
3023
3024 if (arg_scope != UNIT_FILE_SYSTEM)
3025 extra_args[n++] = "--user";
3026
3027 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3028 extra_args[n++] = "-H";
3029 extra_args[n++] = arg_host;
3030 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3031 extra_args[n++] = "-M";
3032 extra_args[n++] = arg_host;
3033 } else
3034 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3035
3036 extra_args[n] = NULL;
3037 return extra_args;
3038 }
3039
3040 static int start_unit(int argc, char *argv[], void *userdata) {
3041 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3042 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3043 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3044 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3045 _cleanup_strv_free_ char **names = NULL;
3046 int r, ret = EXIT_SUCCESS;
3047 sd_bus *bus;
3048 char **name;
3049
3050 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3051 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3052 "--wait may only be used with the 'start' or 'restart' commands.");
3053
3054 /* we cannot do sender tracking on the private bus, so we need the full
3055 * one for RefUnit to implement --wait */
3056 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3057 if (r < 0)
3058 return r;
3059
3060 ask_password_agent_open_if_enabled();
3061 polkit_agent_open_maybe();
3062
3063 if (arg_action == ACTION_SYSTEMCTL) {
3064 enum action action;
3065
3066 action = verb_to_action(argv[0]);
3067
3068 if (action != _ACTION_INVALID) {
3069 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3070 method = "StartUnit";
3071 job_type = "start";
3072 mode = action_table[action].mode;
3073 one_name = action_table[action].target;
3074 } else {
3075 if (streq(argv[0], "isolate")) {
3076 /* A "systemctl isolate <unit1> <unit2> …" command */
3077 method = "StartUnit";
3078 job_type = "start";
3079 mode = "isolate";
3080 suffix = ".target";
3081 } else {
3082 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3083 method = verb_to_method(argv[0]);
3084 job_type = verb_to_job_type(argv[0]);
3085 mode = arg_job_mode;
3086 }
3087 one_name = NULL;
3088 }
3089 } else {
3090 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3091 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3092 assert(action_table[arg_action].target);
3093 assert(action_table[arg_action].mode);
3094
3095 method = "StartUnit";
3096 job_type = "start";
3097 mode = action_table[arg_action].mode;
3098 one_name = action_table[arg_action].target;
3099 }
3100
3101 if (one_name) {
3102 names = strv_new(one_name);
3103 if (!names)
3104 return log_oom();
3105 } else {
3106 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3107 if (r < 0)
3108 return log_error_errno(r, "Failed to expand names: %m");
3109 }
3110
3111 if (!arg_no_block) {
3112 r = bus_wait_for_jobs_new(bus, &w);
3113 if (r < 0)
3114 return log_error_errno(r, "Could not watch jobs: %m");
3115 }
3116
3117 if (arg_wait) {
3118 r = sd_bus_call_method_async(
3119 bus,
3120 NULL,
3121 "org.freedesktop.systemd1",
3122 "/org/freedesktop/systemd1",
3123 "org.freedesktop.systemd1.Manager",
3124 "Subscribe",
3125 NULL, NULL,
3126 NULL);
3127 if (r < 0)
3128 return log_error_errno(r, "Failed to enable subscription: %m");
3129
3130 r = bus_wait_for_units_new(bus, &wu);
3131 if (r < 0)
3132 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3133 }
3134
3135 STRV_FOREACH(name, names) {
3136 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3137
3138 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3139 if (ret == EXIT_SUCCESS && r < 0)
3140 ret = translate_bus_error_to_exit_status(r, &error);
3141
3142 if (r >= 0 && streq(method, "StopUnit")) {
3143 r = strv_push(&stopped_units, *name);
3144 if (r < 0)
3145 return log_oom();
3146 }
3147 }
3148
3149 if (!arg_no_block) {
3150 const char* extra_args[4];
3151
3152 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3153 if (r < 0)
3154 return r;
3155
3156 /* When stopping units, warn if they can still be triggered by
3157 * another active unit (socket, path, timer) */
3158 if (!arg_quiet)
3159 STRV_FOREACH(name, stopped_units)
3160 (void) check_triggering_units(bus, *name);
3161 }
3162
3163 if (arg_wait) {
3164 r = bus_wait_for_units_run(wu);
3165 if (r < 0)
3166 return log_error_errno(r, "Failed to wait for units: %m");
3167 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3168 ret = EXIT_FAILURE;
3169 }
3170
3171 return ret;
3172 }
3173
3174 #if ENABLE_LOGIND
3175 static int logind_set_wall_message(void) {
3176 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3177 sd_bus *bus;
3178 _cleanup_free_ char *m = NULL;
3179 int r;
3180
3181 r = acquire_bus(BUS_FULL, &bus);
3182 if (r < 0)
3183 return r;
3184
3185 m = strv_join(arg_wall, " ");
3186 if (!m)
3187 return log_oom();
3188
3189 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3190 if (arg_dry_run)
3191 return 0;
3192
3193 r = sd_bus_call_method(
3194 bus,
3195 "org.freedesktop.login1",
3196 "/org/freedesktop/login1",
3197 "org.freedesktop.login1.Manager",
3198 "SetWallMessage",
3199 &error,
3200 NULL,
3201 "sb",
3202 m,
3203 !arg_no_wall);
3204
3205 if (r < 0)
3206 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3207 return 0;
3208 }
3209 #endif
3210
3211 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3212 static int logind_reboot(enum action a) {
3213 #if ENABLE_LOGIND
3214 static const struct {
3215 const char *method;
3216 const char *description;
3217 } actions[_ACTION_MAX] = {
3218 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3219 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3220 [ACTION_HALT] = { "Halt", "halt system" },
3221 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3222 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3223 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3224 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3225 };
3226
3227 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3228 sd_bus *bus;
3229 int r;
3230
3231 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3232 return -EINVAL;
3233
3234 r = acquire_bus(BUS_FULL, &bus);
3235 if (r < 0)
3236 return r;
3237
3238 polkit_agent_open_maybe();
3239 (void) logind_set_wall_message();
3240
3241 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3242
3243 if (arg_dry_run)
3244 return 0;
3245
3246 r = sd_bus_call_method(
3247 bus,
3248 "org.freedesktop.login1",
3249 "/org/freedesktop/login1",
3250 "org.freedesktop.login1.Manager",
3251 actions[a].method,
3252 &error,
3253 NULL,
3254 "b", arg_ask_password);
3255 if (r < 0)
3256 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3257
3258 return 0;
3259 #else
3260 return -ENOSYS;
3261 #endif
3262 }
3263
3264 static int logind_check_inhibitors(enum action a) {
3265 #if ENABLE_LOGIND
3266 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3267 _cleanup_strv_free_ char **sessions = NULL;
3268 const char *what, *who, *why, *mode;
3269 uint32_t uid, pid;
3270 sd_bus *bus;
3271 unsigned c = 0;
3272 char **s;
3273 int r;
3274
3275 if (arg_ignore_inhibitors || arg_force > 0)
3276 return 0;
3277
3278 if (arg_when > 0)
3279 return 0;
3280
3281 if (geteuid() == 0)
3282 return 0;
3283
3284 if (!on_tty())
3285 return 0;
3286
3287 if (arg_transport != BUS_TRANSPORT_LOCAL)
3288 return 0;
3289
3290 r = acquire_bus(BUS_FULL, &bus);
3291 if (r < 0)
3292 return r;
3293
3294 r = sd_bus_call_method(
3295 bus,
3296 "org.freedesktop.login1",
3297 "/org/freedesktop/login1",
3298 "org.freedesktop.login1.Manager",
3299 "ListInhibitors",
3300 NULL,
3301 &reply,
3302 NULL);
3303 if (r < 0)
3304 /* If logind is not around, then there are no inhibitors... */
3305 return 0;
3306
3307 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3308 if (r < 0)
3309 return bus_log_parse_error(r);
3310
3311 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3312 _cleanup_free_ char *comm = NULL, *user = NULL;
3313 _cleanup_strv_free_ char **sv = NULL;
3314
3315 if (!streq(mode, "block"))
3316 continue;
3317
3318 sv = strv_split(what, ":");
3319 if (!sv)
3320 return log_oom();
3321
3322 if (!pid_is_valid((pid_t) pid))
3323 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3324
3325 if (!strv_contains(sv,
3326 IN_SET(a,
3327 ACTION_HALT,
3328 ACTION_POWEROFF,
3329 ACTION_REBOOT,
3330 ACTION_KEXEC) ? "shutdown" : "sleep"))
3331 continue;
3332
3333 get_process_comm(pid, &comm);
3334 user = uid_to_name(uid);
3335
3336 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3337 who, (pid_t) pid, strna(comm), strna(user), why);
3338
3339 c++;
3340 }
3341 if (r < 0)
3342 return bus_log_parse_error(r);
3343
3344 r = sd_bus_message_exit_container(reply);
3345 if (r < 0)
3346 return bus_log_parse_error(r);
3347
3348 /* Check for current sessions */
3349 sd_get_sessions(&sessions);
3350 STRV_FOREACH(s, sessions) {
3351 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3352
3353 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3354 continue;
3355
3356 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3357 continue;
3358
3359 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3360 continue;
3361
3362 sd_session_get_tty(*s, &tty);
3363 sd_session_get_seat(*s, &seat);
3364 sd_session_get_service(*s, &service);
3365 user = uid_to_name(uid);
3366
3367 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3368 c++;
3369 }
3370
3371 if (c <= 0)
3372 return 0;
3373
3374 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3375 action_table[a].verb);
3376
3377 return -EPERM;
3378 #else
3379 return 0;
3380 #endif
3381 }
3382
3383 static int prepare_firmware_setup(void) {
3384
3385 if (!arg_firmware_setup)
3386 return 0;
3387
3388 #if ENABLE_LOGIND
3389 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3390 sd_bus *bus;
3391 int r;
3392
3393 r = acquire_bus(BUS_FULL, &bus);
3394 if (r < 0)
3395 return r;
3396
3397 r = sd_bus_call_method(
3398 bus,
3399 "org.freedesktop.login1",
3400 "/org/freedesktop/login1",
3401 "org.freedesktop.login1.Manager",
3402 "SetRebootToFirmwareSetup",
3403 &error,
3404 NULL,
3405 "b", true);
3406 if (r < 0)
3407 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3408
3409 return 0;
3410 #else
3411 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3412 "Booting into firmware setup not supported.");
3413 #endif
3414 }
3415
3416 static int prepare_boot_loader_menu(void) {
3417
3418 if (arg_boot_loader_menu == USEC_INFINITY)
3419 return 0;
3420
3421 #if ENABLE_LOGIND
3422 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3423 sd_bus *bus;
3424 int r;
3425
3426 r = acquire_bus(BUS_FULL, &bus);
3427 if (r < 0)
3428 return r;
3429
3430 r = sd_bus_call_method(
3431 bus,
3432 "org.freedesktop.login1",
3433 "/org/freedesktop/login1",
3434 "org.freedesktop.login1.Manager",
3435 "SetRebootToBootLoaderMenu",
3436 &error,
3437 NULL,
3438 "t", arg_boot_loader_menu);
3439 if (r < 0)
3440 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3441
3442 return 0;
3443 #else
3444 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3445 "Booting into boot loader menu not supported.");
3446 #endif
3447 }
3448
3449 static int prepare_boot_loader_entry(void) {
3450
3451 if (!arg_boot_loader_entry)
3452 return 0;
3453
3454 #if ENABLE_LOGIND
3455 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3456 sd_bus *bus;
3457 int r;
3458
3459 r = acquire_bus(BUS_FULL, &bus);
3460 if (r < 0)
3461 return r;
3462
3463 r = sd_bus_call_method(
3464 bus,
3465 "org.freedesktop.login1",
3466 "/org/freedesktop/login1",
3467 "org.freedesktop.login1.Manager",
3468 "SetRebootToBootLoaderEntry",
3469 &error,
3470 NULL,
3471 "s", arg_boot_loader_entry);
3472 if (r < 0)
3473 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3474
3475 return 0;
3476 #else
3477 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3478 "Booting into boot loader entry not supported.");
3479 #endif
3480 }
3481
3482 static int load_kexec_kernel(void) {
3483 _cleanup_(boot_config_free) BootConfig config = {};
3484 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3485 const BootEntry *e;
3486 pid_t pid;
3487 int r;
3488
3489 if (kexec_loaded()) {
3490 log_debug("Kexec kernel already loaded.");
3491 return 0;
3492 }
3493
3494 if (access(KEXEC, X_OK) < 0)
3495 return log_error_errno(errno, KEXEC" is not available: %m");
3496
3497 r = boot_entries_load_config_auto(NULL, NULL, &config);
3498 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3499 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3500 if (r < 0)
3501 return r;
3502
3503 e = boot_config_default_entry(&config);
3504 if (!e)
3505 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3506 "No boot loader entry suitable as default, refusing to guess.");
3507
3508 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3509
3510 if (!e->kernel)
3511 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3512 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3513 if (strv_length(e->initrd) > 1)
3514 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3515 "Boot entry specifies multiple initrds, which is not supported currently.");
3516
3517 kernel = path_join(e->root, e->kernel);
3518 if (!kernel)
3519 return log_oom();
3520
3521 if (!strv_isempty(e->initrd)) {
3522 initrd = path_join(e->root, e->initrd[0]);
3523 if (!initrd)
3524 return log_oom();
3525 }
3526
3527 options = strv_join(e->options, " ");
3528 if (!options)
3529 return log_oom();
3530
3531 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3532 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3533 arg_dry_run ? "Would run" : "Running",
3534 kernel,
3535 options,
3536 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3537 if (arg_dry_run)
3538 return 0;
3539
3540 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3541 if (r < 0)
3542 return r;
3543 if (r == 0) {
3544 const char* const args[] = {
3545 KEXEC,
3546 "--load", kernel,
3547 "--append", options,
3548 initrd ? "--initrd" : NULL, initrd,
3549 NULL
3550 };
3551
3552 /* Child */
3553 execv(args[0], (char * const *) args);
3554 _exit(EXIT_FAILURE);
3555 }
3556
3557 return 0;
3558 }
3559
3560 static int set_exit_code(uint8_t code) {
3561 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3562 sd_bus *bus;
3563 int r;
3564
3565 r = acquire_bus(BUS_MANAGER, &bus);
3566 if (r < 0)
3567 return r;
3568
3569 r = sd_bus_call_method(
3570 bus,
3571 "org.freedesktop.systemd1",
3572 "/org/freedesktop/systemd1",
3573 "org.freedesktop.systemd1.Manager",
3574 "SetExitCode",
3575 &error,
3576 NULL,
3577 "y", code);
3578 if (r < 0)
3579 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3580
3581 return 0;
3582 }
3583
3584 static int start_special(int argc, char *argv[], void *userdata) {
3585 enum action a;
3586 int r;
3587 bool termination_action; /* an action that terminates the manager,
3588 * can be performed also by signal. */
3589
3590 assert(argv);
3591
3592 a = verb_to_action(argv[0]);
3593
3594 r = logind_check_inhibitors(a);
3595 if (r < 0)
3596 return r;
3597
3598 if (arg_force >= 2) {
3599 r = must_be_root();
3600 if (r < 0)
3601 return r;
3602 }
3603
3604 r = prepare_firmware_setup();
3605 if (r < 0)
3606 return r;
3607
3608 r = prepare_boot_loader_menu();
3609 if (r < 0)
3610 return r;
3611
3612 r = prepare_boot_loader_entry();
3613 if (r < 0)
3614 return r;
3615
3616 if (a == ACTION_REBOOT && argc > 1) {
3617 r = update_reboot_parameter_and_warn(argv[1], false);
3618 if (r < 0)
3619 return r;
3620
3621 } else if (a == ACTION_KEXEC) {
3622 r = load_kexec_kernel();
3623 if (r < 0 && arg_force >= 1)
3624 log_notice("Failed to load kexec kernel, continuing without.");
3625 else if (r < 0)
3626 return r;
3627
3628 } else if (a == ACTION_EXIT && argc > 1) {
3629 uint8_t code;
3630
3631 /* If the exit code is not given on the command line,
3632 * don't reset it to zero: just keep it as it might
3633 * have been set previously. */
3634
3635 r = safe_atou8(argv[1], &code);
3636 if (r < 0)
3637 return log_error_errno(r, "Invalid exit code.");
3638
3639 r = set_exit_code(code);
3640 if (r < 0)
3641 return r;
3642 }
3643
3644 termination_action = IN_SET(a,
3645 ACTION_HALT,
3646 ACTION_POWEROFF,
3647 ACTION_REBOOT);
3648 if (termination_action && arg_force >= 2)
3649 return halt_now(a);
3650
3651 if (arg_force >= 1 &&
3652 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3653 r = trivial_method(argc, argv, userdata);
3654 else {
3655 /* First try logind, to allow authentication with polkit */
3656 if (IN_SET(a,
3657 ACTION_POWEROFF,
3658 ACTION_REBOOT,
3659 ACTION_HALT,
3660 ACTION_SUSPEND,
3661 ACTION_HIBERNATE,
3662 ACTION_HYBRID_SLEEP,
3663 ACTION_SUSPEND_THEN_HIBERNATE)) {
3664
3665 r = logind_reboot(a);
3666 if (r >= 0)
3667 return r;
3668 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3669 /* requested operation is not supported or already in progress */
3670 return r;
3671
3672 /* On all other errors, try low-level operation. In order to minimize the difference between
3673 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3674 * logind's shutdown operations are always non-blocking. */
3675
3676 arg_no_block = true;
3677
3678 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3679 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3680 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3681 arg_no_block = true;
3682
3683 r = start_unit(argc, argv, userdata);
3684 }
3685
3686 if (termination_action && arg_force < 2 &&
3687 IN_SET(r, -ENOENT, -ETIMEDOUT))
3688 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3689
3690 return r;
3691 }
3692
3693 static int start_system_special(int argc, char *argv[], void *userdata) {
3694 /* Like start_special above, but raises an error when running in user mode */
3695
3696 if (arg_scope != UNIT_FILE_SYSTEM)
3697 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3698 "Bad action for %s mode.",
3699 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3700
3701 return start_special(argc, argv, userdata);
3702 }
3703
3704 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3705 _cleanup_strv_free_ char **names = NULL;
3706 UnitActiveState active_state;
3707 sd_bus *bus;
3708 char **name;
3709 int r, i;
3710 bool found = false;
3711
3712 r = acquire_bus(BUS_MANAGER, &bus);
3713 if (r < 0)
3714 return r;
3715
3716 r = expand_names(bus, args, NULL, &names);
3717 if (r < 0)
3718 return log_error_errno(r, "Failed to expand names: %m");
3719
3720 STRV_FOREACH(name, names) {
3721 r = get_state_one_unit(bus, *name, &active_state);
3722 if (r < 0)
3723 return r;
3724
3725 if (!arg_quiet)
3726 puts(unit_active_state_to_string(active_state));
3727
3728 for (i = 0; i < nb_states; ++i)
3729 if (good_states[i] == active_state)
3730 found = true;
3731 }
3732
3733 /* use the given return code for the case that we won't find
3734 * any unit which matches the list */
3735 return found ? 0 : code;
3736 }
3737
3738 static int check_unit_active(int argc, char *argv[], void *userdata) {
3739 static const UnitActiveState states[] = {
3740 UNIT_ACTIVE,
3741 UNIT_RELOADING,
3742 };
3743
3744 /* According to LSB: 3, "program is not running" */
3745 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3746 }
3747
3748 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3749 static const UnitActiveState states[] = {
3750 UNIT_FAILED,
3751 };
3752
3753 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3754 }
3755
3756 static int kill_unit(int argc, char *argv[], void *userdata) {
3757 _cleanup_strv_free_ char **names = NULL;
3758 char *kill_who = NULL, **name;
3759 sd_bus *bus;
3760 int r, q;
3761
3762 r = acquire_bus(BUS_MANAGER, &bus);
3763 if (r < 0)
3764 return r;
3765
3766 polkit_agent_open_maybe();
3767
3768 if (!arg_kill_who)
3769 arg_kill_who = "all";
3770
3771 /* --fail was specified */
3772 if (streq(arg_job_mode, "fail"))
3773 kill_who = strjoina(arg_kill_who, "-fail");
3774
3775 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3776 if (r < 0)
3777 return log_error_errno(r, "Failed to expand names: %m");
3778
3779 STRV_FOREACH(name, names) {
3780 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3781
3782 q = sd_bus_call_method(
3783 bus,
3784 "org.freedesktop.systemd1",
3785 "/org/freedesktop/systemd1",
3786 "org.freedesktop.systemd1.Manager",
3787 "KillUnit",
3788 &error,
3789 NULL,
3790 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3791 if (q < 0) {
3792 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3793 if (r == 0)
3794 r = q;
3795 }
3796 }
3797
3798 return r;
3799 }
3800
3801 static int clean_unit(int argc, char *argv[], void *userdata) {
3802 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3803 _cleanup_strv_free_ char **names = NULL;
3804 int r, ret = EXIT_SUCCESS;
3805 char **name;
3806 sd_bus *bus;
3807
3808 r = acquire_bus(BUS_FULL, &bus);
3809 if (r < 0)
3810 return r;
3811
3812 polkit_agent_open_maybe();
3813
3814 if (!arg_clean_what) {
3815 arg_clean_what = strv_new("cache", "runtime");
3816 if (!arg_clean_what)
3817 return log_oom();
3818 }
3819
3820 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3821 if (r < 0)
3822 return log_error_errno(r, "Failed to expand names: %m");
3823
3824 if (!arg_no_block) {
3825 r = bus_wait_for_units_new(bus, &w);
3826 if (r < 0)
3827 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3828 }
3829
3830 STRV_FOREACH(name, names) {
3831 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3832 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3833
3834 if (w) {
3835 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3836 r = sd_bus_call_method(
3837 bus,
3838 "org.freedesktop.systemd1",
3839 "/org/freedesktop/systemd1",
3840 "org.freedesktop.systemd1.Manager",
3841 "RefUnit",
3842 &error,
3843 NULL,
3844 "s", *name);
3845 if (r < 0) {
3846 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3847 if (ret == EXIT_SUCCESS)
3848 ret = r;
3849 continue;
3850 }
3851 }
3852
3853 r = sd_bus_message_new_method_call(
3854 bus,
3855 &m,
3856 "org.freedesktop.systemd1",
3857 "/org/freedesktop/systemd1",
3858 "org.freedesktop.systemd1.Manager",
3859 "CleanUnit");
3860 if (r < 0)
3861 return bus_log_create_error(r);
3862
3863 r = sd_bus_message_append(m, "s", *name);
3864 if (r < 0)
3865 return bus_log_create_error(r);
3866
3867 r = sd_bus_message_append_strv(m, arg_clean_what);
3868 if (r < 0)
3869 return bus_log_create_error(r);
3870
3871 r = sd_bus_call(bus, m, 0, &error, NULL);
3872 if (r < 0) {
3873 log_error_errno(r, "Failed to clean unit %s: %s", *name, bus_error_message(&error, r));
3874 if (ret == EXIT_SUCCESS) {
3875 ret = r;
3876 continue;
3877 }
3878 }
3879
3880 if (w) {
3881 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3882 if (r < 0)
3883 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3884 }
3885 }
3886
3887 r = bus_wait_for_units_run(w);
3888 if (r < 0)
3889 return log_error_errno(r, "Failed to wait for units: %m");
3890 if (r == BUS_WAIT_FAILURE)
3891 ret = EXIT_FAILURE;
3892
3893 return ret;
3894 }
3895
3896 typedef struct ExecStatusInfo {
3897 char *name;
3898
3899 char *path;
3900 char **argv;
3901
3902 bool ignore;
3903
3904 usec_t start_timestamp;
3905 usec_t exit_timestamp;
3906 pid_t pid;
3907 int code;
3908 int status;
3909
3910 ExecCommandFlags flags;
3911
3912 LIST_FIELDS(struct ExecStatusInfo, exec);
3913 } ExecStatusInfo;
3914
3915 static void exec_status_info_free(ExecStatusInfo *i) {
3916 assert(i);
3917
3918 free(i->name);
3919 free(i->path);
3920 strv_free(i->argv);
3921 free(i);
3922 }
3923
3924 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3925 _cleanup_strv_free_ char **ex_opts = NULL;
3926 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3927 const char *path;
3928 uint32_t pid;
3929 int32_t code, status;
3930 int ignore, r;
3931
3932 assert(m);
3933 assert(i);
3934
3935 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3936 if (r < 0)
3937 return bus_log_parse_error(r);
3938 else if (r == 0)
3939 return 0;
3940
3941 r = sd_bus_message_read(m, "s", &path);
3942 if (r < 0)
3943 return bus_log_parse_error(r);
3944
3945 i->path = strdup(path);
3946 if (!i->path)
3947 return log_oom();
3948
3949 r = sd_bus_message_read_strv(m, &i->argv);
3950 if (r < 0)
3951 return bus_log_parse_error(r);
3952
3953 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3954 if (r < 0)
3955 return bus_log_parse_error(r);
3956
3957 r = sd_bus_message_read(m,
3958 "ttttuii",
3959 &start_timestamp, &start_timestamp_monotonic,
3960 &exit_timestamp, &exit_timestamp_monotonic,
3961 &pid,
3962 &code, &status);
3963 if (r < 0)
3964 return bus_log_parse_error(r);
3965
3966 if (is_ex_prop) {
3967 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3968 if (r < 0)
3969 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3970
3971 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3972 } else
3973 i->ignore = ignore;
3974
3975 i->start_timestamp = (usec_t) start_timestamp;
3976 i->exit_timestamp = (usec_t) exit_timestamp;
3977 i->pid = (pid_t) pid;
3978 i->code = code;
3979 i->status = status;
3980
3981 r = sd_bus_message_exit_container(m);
3982 if (r < 0)
3983 return bus_log_parse_error(r);
3984
3985 return 1;
3986 }
3987
3988 typedef struct UnitCondition {
3989 char *name;
3990 char *param;
3991 bool trigger;
3992 bool negate;
3993 int tristate;
3994
3995 LIST_FIELDS(struct UnitCondition, conditions);
3996 } UnitCondition;
3997
3998 static void unit_condition_free(UnitCondition *c) {
3999 if (!c)
4000 return;
4001
4002 free(c->name);
4003 free(c->param);
4004 free(c);
4005 }
4006
4007 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4008
4009 typedef struct UnitStatusInfo {
4010 const char *id;
4011 const char *load_state;
4012 const char *active_state;
4013 const char *sub_state;
4014 const char *unit_file_state;
4015 const char *unit_file_preset;
4016
4017 const char *description;
4018 const char *following;
4019
4020 char **documentation;
4021
4022 const char *fragment_path;
4023 const char *source_path;
4024 const char *control_group;
4025
4026 char **dropin_paths;
4027
4028 const char *load_error;
4029 const char *result;
4030
4031 usec_t inactive_exit_timestamp;
4032 usec_t inactive_exit_timestamp_monotonic;
4033 usec_t active_enter_timestamp;
4034 usec_t active_exit_timestamp;
4035 usec_t inactive_enter_timestamp;
4036
4037 bool need_daemon_reload;
4038 bool transient;
4039
4040 /* Service */
4041 pid_t main_pid;
4042 pid_t control_pid;
4043 const char *status_text;
4044 const char *pid_file;
4045 bool running:1;
4046 int status_errno;
4047
4048 usec_t start_timestamp;
4049 usec_t exit_timestamp;
4050
4051 int exit_code, exit_status;
4052
4053 usec_t condition_timestamp;
4054 bool condition_result;
4055 LIST_HEAD(UnitCondition, conditions);
4056
4057 usec_t assert_timestamp;
4058 bool assert_result;
4059 bool failed_assert_trigger;
4060 bool failed_assert_negate;
4061 const char *failed_assert;
4062 const char *failed_assert_parameter;
4063 usec_t next_elapse_real;
4064 usec_t next_elapse_monotonic;
4065
4066 /* Socket */
4067 unsigned n_accepted;
4068 unsigned n_connections;
4069 unsigned n_refused;
4070 bool accept;
4071
4072 /* Pairs of type, path */
4073 char **listen;
4074
4075 /* Device */
4076 const char *sysfs_path;
4077
4078 /* Mount, Automount */
4079 const char *where;
4080
4081 /* Swap */
4082 const char *what;
4083
4084 /* CGroup */
4085 uint64_t memory_current;
4086 uint64_t memory_min;
4087 uint64_t memory_low;
4088 uint64_t memory_high;
4089 uint64_t memory_max;
4090 uint64_t memory_swap_max;
4091 uint64_t memory_limit;
4092 uint64_t cpu_usage_nsec;
4093 uint64_t tasks_current;
4094 uint64_t tasks_max;
4095 uint64_t ip_ingress_bytes;
4096 uint64_t ip_egress_bytes;
4097 uint64_t io_read_bytes;
4098 uint64_t io_write_bytes;
4099
4100 uint64_t default_memory_min;
4101 uint64_t default_memory_low;
4102
4103 LIST_HEAD(ExecStatusInfo, exec);
4104 } UnitStatusInfo;
4105
4106 static void unit_status_info_free(UnitStatusInfo *info) {
4107 ExecStatusInfo *p;
4108 UnitCondition *c;
4109
4110 strv_free(info->documentation);
4111 strv_free(info->dropin_paths);
4112 strv_free(info->listen);
4113
4114 while ((c = info->conditions)) {
4115 LIST_REMOVE(conditions, info->conditions, c);
4116 unit_condition_free(c);
4117 }
4118
4119 while ((p = info->exec)) {
4120 LIST_REMOVE(exec, info->exec, p);
4121 exec_status_info_free(p);
4122 }
4123 }
4124
4125 static void print_status_info(
4126 sd_bus *bus,
4127 UnitStatusInfo *i,
4128 bool *ellipsized) {
4129
4130 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4131 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4132 _cleanup_free_ char *formatted_path = NULL;
4133 ExecStatusInfo *p;
4134 usec_t timestamp;
4135 const char *path;
4136 char **t, **t2;
4137 int r;
4138
4139 assert(i);
4140
4141 /* This shows pretty information about a unit. See
4142 * print_property() for a low-level property printer */
4143
4144 if (streq_ptr(i->active_state, "failed")) {
4145 active_on = ansi_highlight_red();
4146 active_off = ansi_normal();
4147 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4148 active_on = ansi_highlight_green();
4149 active_off = ansi_normal();
4150 } else
4151 active_on = active_off = "";
4152
4153 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4154
4155 if (i->description && !streq_ptr(i->id, i->description))
4156 printf(" - %s", i->description);
4157
4158 printf("\n");
4159
4160 if (i->following)
4161 printf(" Follow: unit currently follows state of %s\n", i->following);
4162
4163 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4164 on = ansi_highlight_red();
4165 off = ansi_normal();
4166 } else
4167 on = off = "";
4168
4169 path = i->source_path ?: i->fragment_path;
4170 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4171 path = formatted_path;
4172
4173 if (!isempty(i->load_error))
4174 printf(" Loaded: %s%s%s (Reason: %s)\n",
4175 on, strna(i->load_state), off, i->load_error);
4176 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4177 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4178 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4179 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4180 else if (path && !isempty(i->unit_file_state))
4181 printf(" Loaded: %s%s%s (%s; %s)\n",
4182 on, strna(i->load_state), off, path, i->unit_file_state);
4183 else if (path)
4184 printf(" Loaded: %s%s%s (%s)\n",
4185 on, strna(i->load_state), off, path);
4186 else
4187 printf(" Loaded: %s%s%s\n",
4188 on, strna(i->load_state), off);
4189
4190 if (i->transient)
4191 printf("Transient: yes\n");
4192
4193 if (!strv_isempty(i->dropin_paths)) {
4194 _cleanup_free_ char *dir = NULL;
4195 bool last = false;
4196 char ** dropin;
4197
4198 STRV_FOREACH(dropin, i->dropin_paths) {
4199 _cleanup_free_ char *dropin_formatted = NULL;
4200 const char *df;
4201
4202 if (!dir || last) {
4203 printf(dir ? " " :
4204 " Drop-In: ");
4205
4206 dir = mfree(dir);
4207
4208 dir = dirname_malloc(*dropin);
4209 if (!dir) {
4210 log_oom();
4211 return;
4212 }
4213
4214 printf("%s\n"
4215 " %s", dir,
4216 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4217 }
4218
4219 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4220
4221 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4222 df = dropin_formatted;
4223 else
4224 df = *dropin;
4225
4226 printf("%s%s", df, last ? "\n" : ", ");
4227 }
4228 }
4229
4230 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4231 if (ss)
4232 printf(" Active: %s%s (%s)%s",
4233 active_on, strna(i->active_state), ss, active_off);
4234 else
4235 printf(" Active: %s%s%s",
4236 active_on, strna(i->active_state), active_off);
4237
4238 if (!isempty(i->result) && !streq(i->result, "success"))
4239 printf(" (Result: %s)", i->result);
4240
4241 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4242 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4243 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4244 i->active_exit_timestamp;
4245
4246 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4247 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4248
4249 if (s1)
4250 printf(" since %s; %s\n", s2, s1);
4251 else if (s2)
4252 printf(" since %s\n", s2);
4253 else
4254 printf("\n");
4255
4256 if (endswith(i->id, ".timer")) {
4257 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4258 tstamp2[FORMAT_TIMESTAMP_MAX];
4259 const char *next_rel_time, *next_time;
4260 dual_timestamp nw, next = {i->next_elapse_real,
4261 i->next_elapse_monotonic};
4262 usec_t next_elapse;
4263
4264 printf(" Trigger: ");
4265
4266 dual_timestamp_get(&nw);
4267 next_elapse = calc_next_elapse(&nw, &next);
4268 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4269 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4270
4271 if (next_time && next_rel_time)
4272 printf("%s; %s\n", next_time, next_rel_time);
4273 else
4274 printf("n/a\n");
4275 }
4276
4277 if (!i->condition_result && i->condition_timestamp > 0) {
4278 UnitCondition *c;
4279 int n = 0;
4280
4281 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4282 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4283
4284 printf("Condition: start %scondition failed%s at %s%s%s\n",
4285 ansi_highlight_yellow(), ansi_normal(),
4286 s2, s1 ? "; " : "", strempty(s1));
4287
4288 LIST_FOREACH(conditions, c, i->conditions)
4289 if (c->tristate < 0)
4290 n++;
4291
4292 LIST_FOREACH(conditions, c, i->conditions)
4293 if (c->tristate < 0)
4294 printf(" %s %s=%s%s%s was not met\n",
4295 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4296 c->name,
4297 c->trigger ? "|" : "",
4298 c->negate ? "!" : "",
4299 c->param);
4300 }
4301
4302 if (!i->assert_result && i->assert_timestamp > 0) {
4303 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4304 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4305
4306 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4307 ansi_highlight_red(), ansi_normal(),
4308 s2, s1 ? "; " : "", strempty(s1));
4309 if (i->failed_assert_trigger)
4310 printf(" none of the trigger assertions were met\n");
4311 else if (i->failed_assert)
4312 printf(" %s=%s%s was not met\n",
4313 i->failed_assert,
4314 i->failed_assert_negate ? "!" : "",
4315 i->failed_assert_parameter);
4316 }
4317
4318 if (i->sysfs_path)
4319 printf(" Device: %s\n", i->sysfs_path);
4320 if (i->where)
4321 printf(" Where: %s\n", i->where);
4322 if (i->what)
4323 printf(" What: %s\n", i->what);
4324
4325 STRV_FOREACH(t, i->documentation) {
4326 _cleanup_free_ char *formatted = NULL;
4327 const char *q;
4328
4329 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4330 q = formatted;
4331 else
4332 q = *t;
4333
4334 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4335 }
4336
4337 STRV_FOREACH_PAIR(t, t2, i->listen)
4338 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4339
4340 if (i->accept) {
4341 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4342 if (i->n_refused)
4343 printf(" Refused: %u", i->n_refused);
4344 printf("\n");
4345 }
4346
4347 LIST_FOREACH(exec, p, i->exec) {
4348 _cleanup_free_ char *argv = NULL;
4349 bool good;
4350
4351 /* Only show exited processes here */
4352 if (p->code == 0)
4353 continue;
4354
4355 /* Don't print ExecXYZEx= properties here since it will appear as a
4356 * duplicate of the non-Ex= variant. */
4357 if (endswith(p->name, "Ex"))
4358 continue;
4359
4360 argv = strv_join(p->argv, " ");
4361 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4362
4363 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4364 if (!good) {
4365 on = ansi_highlight_red();
4366 off = ansi_normal();
4367 } else
4368 on = off = "";
4369
4370 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4371
4372 if (p->code == CLD_EXITED) {
4373 const char *c;
4374
4375 printf("status=%i", p->status);
4376
4377 c = exit_status_to_string(p->status, EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4378 if (c)
4379 printf("/%s", c);
4380
4381 } else
4382 printf("signal=%s", signal_to_string(p->status));
4383
4384 printf(")%s\n", off);
4385
4386 if (i->main_pid == p->pid &&
4387 i->start_timestamp == p->start_timestamp &&
4388 i->exit_timestamp == p->start_timestamp)
4389 /* Let's not show this twice */
4390 i->main_pid = 0;
4391
4392 if (p->pid == i->control_pid)
4393 i->control_pid = 0;
4394 }
4395
4396 if (i->main_pid > 0 || i->control_pid > 0) {
4397 if (i->main_pid > 0) {
4398 printf(" Main PID: "PID_FMT, i->main_pid);
4399
4400 if (i->running) {
4401
4402 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4403 _cleanup_free_ char *comm = NULL;
4404
4405 (void) get_process_comm(i->main_pid, &comm);
4406 if (comm)
4407 printf(" (%s)", comm);
4408 }
4409
4410 } else if (i->exit_code > 0) {
4411 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4412
4413 if (i->exit_code == CLD_EXITED) {
4414 const char *c;
4415
4416 printf("status=%i", i->exit_status);
4417
4418 c = exit_status_to_string(i->exit_status,
4419 EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4420 if (c)
4421 printf("/%s", c);
4422
4423 } else
4424 printf("signal=%s", signal_to_string(i->exit_status));
4425 printf(")");
4426 }
4427 }
4428
4429 if (i->control_pid > 0) {
4430 _cleanup_free_ char *c = NULL;
4431
4432 if (i->main_pid > 0)
4433 fputs("; Control PID: ", stdout);
4434 else
4435 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4436
4437 printf(PID_FMT, i->control_pid);
4438
4439 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4440 (void) get_process_comm(i->control_pid, &c);
4441 if (c)
4442 printf(" (%s)", c);
4443 }
4444 }
4445
4446 printf("\n");
4447 }
4448
4449 if (i->status_text)
4450 printf(" Status: \"%s\"\n", i->status_text);
4451 if (i->status_errno > 0)
4452 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4453
4454 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4455 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4456
4457 printf(" IP: %s in, %s out\n",
4458 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4459 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4460 }
4461
4462 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4463 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4464
4465 printf(" IO: %s read, %s written\n",
4466 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4467 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4468 }
4469
4470 if (i->tasks_current != (uint64_t) -1) {
4471 printf(" Tasks: %" PRIu64, i->tasks_current);
4472
4473 if (i->tasks_max != (uint64_t) -1)
4474 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4475 else
4476 printf("\n");
4477 }
4478
4479 if (i->memory_current != (uint64_t) -1) {
4480 char buf[FORMAT_BYTES_MAX];
4481
4482 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4483
4484 if (i->memory_min > 0 || i->memory_low > 0 ||
4485 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4486 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4487 i->memory_limit != CGROUP_LIMIT_MAX) {
4488 const char *prefix = "";
4489
4490 printf(" (");
4491 if (i->memory_min > 0) {
4492 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4493 prefix = " ";
4494 }
4495 if (i->memory_low > 0) {
4496 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4497 prefix = " ";
4498 }
4499 if (i->memory_high != CGROUP_LIMIT_MAX) {
4500 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4501 prefix = " ";
4502 }
4503 if (i->memory_max != CGROUP_LIMIT_MAX) {
4504 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4505 prefix = " ";
4506 }
4507 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4508 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4509 prefix = " ";
4510 }
4511 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4512 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4513 prefix = " ";
4514 }
4515 printf(")");
4516 }
4517 printf("\n");
4518 }
4519
4520 if (i->cpu_usage_nsec != (uint64_t) -1) {
4521 char buf[FORMAT_TIMESPAN_MAX];
4522 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4523 }
4524
4525 if (i->control_group) {
4526 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4527 static const char prefix[] = " ";
4528 unsigned c;
4529
4530 printf(" CGroup: %s\n", i->control_group);
4531
4532 c = columns();
4533 if (c > sizeof(prefix) - 1)
4534 c -= sizeof(prefix) - 1;
4535 else
4536 c = 0;
4537
4538 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4539 if (r == -EBADR) {
4540 unsigned k = 0;
4541 pid_t extra[2];
4542
4543 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4544
4545 if (i->main_pid > 0)
4546 extra[k++] = i->main_pid;
4547
4548 if (i->control_pid > 0)
4549 extra[k++] = i->control_pid;
4550
4551 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4552 } else if (r < 0)
4553 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4554 i->id, bus_error_message(&error, r));
4555 }
4556
4557 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4558 show_journal_by_unit(
4559 stdout,
4560 i->id,
4561 arg_output,
4562 0,
4563 i->inactive_exit_timestamp_monotonic,
4564 arg_lines,
4565 getuid(),
4566 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4567 SD_JOURNAL_LOCAL_ONLY,
4568 arg_scope == UNIT_FILE_SYSTEM,
4569 ellipsized);
4570
4571 if (i->need_daemon_reload)
4572 warn_unit_file_changed(i->id);
4573 }
4574
4575 static void show_unit_help(UnitStatusInfo *i) {
4576 char **p;
4577
4578 assert(i);
4579
4580 if (!i->documentation) {
4581 log_info("Documentation for %s not known.", i->id);
4582 return;
4583 }
4584
4585 STRV_FOREACH(p, i->documentation)
4586 if (startswith(*p, "man:"))
4587 show_man_page(*p + 4, false);
4588 else
4589 log_info("Can't show: %s", *p);
4590 }
4591
4592 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4593 UnitStatusInfo *i = userdata;
4594 uint32_t u;
4595 int r;
4596
4597 r = sd_bus_message_read(m, "u", &u);
4598 if (r < 0)
4599 return r;
4600
4601 i->main_pid = (pid_t) u;
4602 i->running = u > 0;
4603
4604 return 0;
4605 }
4606
4607 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4608 const char *message, **p = userdata;
4609 int r;
4610
4611 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4612 if (r < 0)
4613 return r;
4614
4615 if (!isempty(message))
4616 *p = message;
4617
4618 return 0;
4619 }
4620
4621 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4622 const char *type, *path;
4623 char ***p = userdata;
4624 int r;
4625
4626 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4627 if (r < 0)
4628 return r;
4629
4630 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4631
4632 r = strv_extend(p, type);
4633 if (r < 0)
4634 return r;
4635
4636 r = strv_extend(p, path);
4637 if (r < 0)
4638 return r;
4639 }
4640 if (r < 0)
4641 return r;
4642
4643 r = sd_bus_message_exit_container(m);
4644 if (r < 0)
4645 return r;
4646
4647 return 0;
4648 }
4649
4650 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4651 UnitStatusInfo *i = userdata;
4652 const char *cond, *param;
4653 int trigger, negate;
4654 int32_t state;
4655 int r;
4656
4657 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4658 if (r < 0)
4659 return r;
4660
4661 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4662 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4663
4664 c = new(UnitCondition, 1);
4665 if (!c)
4666 return -ENOMEM;
4667
4668 *c = (UnitCondition) {
4669 .name = strdup(cond),
4670 .param = strdup(param),
4671 .trigger = trigger,
4672 .negate = negate,
4673 .tristate = state,
4674 };
4675
4676 if (!c->name || !c->param)
4677 return -ENOMEM;
4678
4679 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4680 }
4681 if (r < 0)
4682 return r;
4683
4684 r = sd_bus_message_exit_container(m);
4685 if (r < 0)
4686 return r;
4687
4688 return 0;
4689 }
4690
4691 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4692 UnitStatusInfo *i = userdata;
4693 const char *cond, *param;
4694 int trigger, negate;
4695 int32_t state;
4696 int r;
4697
4698 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4699 if (r < 0)
4700 return r;
4701
4702 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4703 if (state < 0 && (!trigger || !i->failed_assert)) {
4704 i->failed_assert = cond;
4705 i->failed_assert_trigger = trigger;
4706 i->failed_assert_negate = negate;
4707 i->failed_assert_parameter = param;
4708 }
4709 }
4710 if (r < 0)
4711 return r;
4712
4713 r = sd_bus_message_exit_container(m);
4714 if (r < 0)
4715 return r;
4716
4717 return 0;
4718 }
4719
4720 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4721 _cleanup_free_ ExecStatusInfo *info = NULL;
4722 ExecStatusInfo *last;
4723 UnitStatusInfo *i = userdata;
4724 bool is_ex_prop = endswith(member, "Ex");
4725 int r;
4726
4727 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4728 if (r < 0)
4729 return r;
4730
4731 info = new0(ExecStatusInfo, 1);
4732 if (!info)
4733 return -ENOMEM;
4734
4735 LIST_FIND_TAIL(exec, i->exec, last);
4736
4737 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4738
4739 info->name = strdup(member);
4740 if (!info->name)
4741 return -ENOMEM;
4742
4743 LIST_INSERT_AFTER(exec, i->exec, last, info);
4744 last = info;
4745
4746 info = new0(ExecStatusInfo, 1);
4747 if (!info)
4748 return -ENOMEM;
4749 }
4750 if (r < 0)
4751 return r;
4752
4753 r = sd_bus_message_exit_container(m);
4754 if (r < 0)
4755 return r;
4756
4757 return 0;
4758 }
4759
4760 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4761 char bus_type;
4762 const char *contents;
4763 int r;
4764
4765 assert(name);
4766 assert(m);
4767
4768 /* This is a low-level property printer, see
4769 * print_status_info() for the nicer output */
4770
4771 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4772 if (r < 0)
4773 return r;
4774
4775 switch (bus_type) {
4776
4777 case SD_BUS_TYPE_INT32:
4778 if (endswith(name, "ActionExitStatus")) {
4779 int32_t i;
4780
4781 r = sd_bus_message_read_basic(m, bus_type, &i);
4782 if (r < 0)
4783 return r;
4784
4785 if (i >= 0 && i <= 255)
4786 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4787 else if (all)
4788 bus_print_property_value(name, expected_value, value, "[not set]");
4789
4790 return 1;
4791 } else if (streq(name, "NUMAPolicy")) {
4792 int32_t i;
4793
4794 r = sd_bus_message_read_basic(m, bus_type, &i);
4795 if (r < 0)
4796 return r;
4797
4798 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4799
4800 return 1;
4801 }
4802 break;
4803
4804 case SD_BUS_TYPE_STRUCT:
4805
4806 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4807 uint32_t u;
4808
4809 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4810 if (r < 0)
4811 return bus_log_parse_error(r);
4812
4813 if (u > 0)
4814 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4815 else if (all)
4816 bus_print_property_value(name, expected_value, value, "");
4817
4818 return 1;
4819
4820 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4821 const char *s;
4822
4823 r = sd_bus_message_read(m, "(so)", &s, NULL);
4824 if (r < 0)
4825 return bus_log_parse_error(r);
4826
4827 if (all || !isempty(s))
4828 bus_print_property_value(name, expected_value, value, s);
4829
4830 return 1;
4831
4832 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4833 const char *a = NULL, *b = NULL;
4834
4835 r = sd_bus_message_read(m, "(ss)", &a, &b);
4836 if (r < 0)
4837 return bus_log_parse_error(r);
4838
4839 if (!isempty(a) || !isempty(b))
4840 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4841 else if (all)
4842 bus_print_property_value(name, expected_value, value, "");
4843
4844 return 1;
4845
4846 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4847 _cleanup_strv_free_ char **l = NULL;
4848 int whitelist;
4849
4850 r = sd_bus_message_enter_container(m, 'r', "bas");
4851 if (r < 0)
4852 return bus_log_parse_error(r);
4853
4854 r = sd_bus_message_read(m, "b", &whitelist);
4855 if (r < 0)
4856 return bus_log_parse_error(r);
4857
4858 r = sd_bus_message_read_strv(m, &l);
4859 if (r < 0)
4860 return bus_log_parse_error(r);
4861
4862 r = sd_bus_message_exit_container(m);
4863 if (r < 0)
4864 return bus_log_parse_error(r);
4865
4866 if (all || whitelist || !strv_isempty(l)) {
4867 bool first = true;
4868 char **i;
4869
4870 if (!value) {
4871 fputs(name, stdout);
4872 fputc('=', stdout);
4873 }
4874
4875 if (!whitelist)
4876 fputc('~', stdout);
4877
4878 STRV_FOREACH(i, l) {
4879 if (first)
4880 first = false;
4881 else
4882 fputc(' ', stdout);
4883
4884 fputs(*i, stdout);
4885 }
4886 fputc('\n', stdout);
4887 }
4888
4889 return 1;
4890
4891 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4892 int ignore;
4893 const char *s;
4894
4895 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4896 if (r < 0)
4897 return bus_log_parse_error(r);
4898
4899 if (!isempty(s))
4900 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4901 else if (all)
4902 bus_print_property_value(name, expected_value, value, "");
4903
4904 return 1;
4905
4906 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4907 const int32_t *status, *signal;
4908 size_t n_status, n_signal, i;
4909
4910 r = sd_bus_message_enter_container(m, 'r', "aiai");
4911 if (r < 0)
4912 return bus_log_parse_error(r);
4913
4914 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status);
4915 if (r < 0)
4916 return bus_log_parse_error(r);
4917
4918 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal);
4919 if (r < 0)
4920 return bus_log_parse_error(r);
4921
4922 r = sd_bus_message_exit_container(m);
4923 if (r < 0)
4924 return bus_log_parse_error(r);
4925
4926 n_status /= sizeof(int32_t);
4927 n_signal /= sizeof(int32_t);
4928
4929 if (all || n_status > 0 || n_signal > 0) {
4930 bool first = true;
4931
4932 if (!value) {
4933 fputs(name, stdout);
4934 fputc('=', stdout);
4935 }
4936
4937 for (i = 0; i < n_status; i++) {
4938 if (first)
4939 first = false;
4940 else
4941 fputc(' ', stdout);
4942
4943 printf("%"PRIi32, status[i]);
4944 }
4945
4946 for (i = 0; i < n_signal; i++) {
4947 const char *str;
4948
4949 str = signal_to_string((int) signal[i]);
4950
4951 if (first)
4952 first = false;
4953 else
4954 fputc(' ', stdout);
4955
4956 if (str)
4957 fputs(str, stdout);
4958 else
4959 printf("%"PRIi32, status[i]);
4960 }
4961
4962 fputc('\n', stdout);
4963 }
4964 return 1;
4965 }
4966
4967 break;
4968
4969 case SD_BUS_TYPE_ARRAY:
4970
4971 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4972 const char *path;
4973 int ignore;
4974
4975 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4976 if (r < 0)
4977 return bus_log_parse_error(r);
4978
4979 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4980 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4981
4982 if (r < 0)
4983 return bus_log_parse_error(r);
4984
4985 r = sd_bus_message_exit_container(m);
4986 if (r < 0)
4987 return bus_log_parse_error(r);
4988
4989 return 1;
4990
4991 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4992 const char *type, *path;
4993
4994 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4995 if (r < 0)
4996 return bus_log_parse_error(r);
4997
4998 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4999 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5000 if (r < 0)
5001 return bus_log_parse_error(r);
5002
5003 r = sd_bus_message_exit_container(m);
5004 if (r < 0)
5005 return bus_log_parse_error(r);
5006
5007 return 1;
5008
5009 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5010 const char *type, *path;
5011
5012 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5013 if (r < 0)
5014 return bus_log_parse_error(r);
5015
5016 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5017 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
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, "TimersMonotonic")) {
5028 const char *base;
5029 uint64_t v, next_elapse;
5030
5031 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5032 if (r < 0)
5033 return bus_log_parse_error(r);
5034
5035 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5036 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5037
5038 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5039 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5040
5041 bus_print_property_valuef(name, expected_value, value,
5042 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5043 }
5044 if (r < 0)
5045 return bus_log_parse_error(r);
5046
5047 r = sd_bus_message_exit_container(m);
5048 if (r < 0)
5049 return bus_log_parse_error(r);
5050
5051 return 1;
5052
5053 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5054 const char *base, *spec;
5055 uint64_t next_elapse;
5056
5057 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5058 if (r < 0)
5059 return bus_log_parse_error(r);
5060
5061 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5062 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5063
5064 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5065 bus_print_property_valuef(name, expected_value, value,
5066 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5067 }
5068 if (r < 0)
5069 return bus_log_parse_error(r);
5070
5071 r = sd_bus_message_exit_container(m);
5072 if (r < 0)
5073 return bus_log_parse_error(r);
5074
5075 return 1;
5076
5077 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5078 ExecStatusInfo info = {};
5079 bool is_ex_prop = endswith(name, "Ex");
5080
5081 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5082 if (r < 0)
5083 return bus_log_parse_error(r);
5084
5085 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5086 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5087 _cleanup_strv_free_ char **optv = NULL;
5088 _cleanup_free_ char *tt, *o = NULL;
5089
5090 tt = strv_join(info.argv, " ");
5091
5092 if (is_ex_prop) {
5093 r = exec_command_flags_to_strv(info.flags, &optv);
5094 if (r < 0)
5095 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5096
5097 o = strv_join(optv, " ");
5098
5099 bus_print_property_valuef(name, expected_value, value,
5100 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5101 strna(info.path),
5102 strna(tt),
5103 strna(o),
5104 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5105 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5106 info.pid,
5107 sigchld_code_to_string(info.code),
5108 info.status,
5109 info.code == CLD_EXITED ? "" : "/",
5110 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5111 } else
5112 bus_print_property_valuef(name, expected_value, value,
5113 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5114 strna(info.path),
5115 strna(tt),
5116 yes_no(info.ignore),
5117 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5118 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5119 info.pid,
5120 sigchld_code_to_string(info.code),
5121 info.status,
5122 info.code == CLD_EXITED ? "" : "/",
5123 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5124
5125 free(info.path);
5126 strv_free(info.argv);
5127 zero(info);
5128 }
5129
5130 r = sd_bus_message_exit_container(m);
5131 if (r < 0)
5132 return bus_log_parse_error(r);
5133
5134 return 1;
5135
5136 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5137 const char *path, *rwm;
5138
5139 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5140 if (r < 0)
5141 return bus_log_parse_error(r);
5142
5143 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5144 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5145 if (r < 0)
5146 return bus_log_parse_error(r);
5147
5148 r = sd_bus_message_exit_container(m);
5149 if (r < 0)
5150 return bus_log_parse_error(r);
5151
5152 return 1;
5153
5154 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5155 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5156 const char *path;
5157 uint64_t weight;
5158
5159 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5160 if (r < 0)
5161 return bus_log_parse_error(r);
5162
5163 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5164 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5165 if (r < 0)
5166 return bus_log_parse_error(r);
5167
5168 r = sd_bus_message_exit_container(m);
5169 if (r < 0)
5170 return bus_log_parse_error(r);
5171
5172 return 1;
5173
5174 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5175 (cgroup_io_limit_type_from_string(name) >= 0 ||
5176 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5177 const char *path;
5178 uint64_t bandwidth;
5179
5180 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5181 if (r < 0)
5182 return bus_log_parse_error(r);
5183
5184 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5185 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5186 if (r < 0)
5187 return bus_log_parse_error(r);
5188
5189 r = sd_bus_message_exit_container(m);
5190 if (r < 0)
5191 return bus_log_parse_error(r);
5192
5193 return 1;
5194
5195 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5196 streq(name, "IODeviceLatencyTargetUSec")) {
5197 char ts[FORMAT_TIMESPAN_MAX];
5198 const char *path;
5199 uint64_t target;
5200
5201 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5202 if (r < 0)
5203 return bus_log_parse_error(r);
5204
5205 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5206 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5207 format_timespan(ts, sizeof(ts), target, 1));
5208 if (r < 0)
5209 return bus_log_parse_error(r);
5210
5211 r = sd_bus_message_exit_container(m);
5212 if (r < 0)
5213 return bus_log_parse_error(r);
5214
5215 return 1;
5216
5217 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5218 _cleanup_free_ char *h = NULL;
5219 const void *p;
5220 size_t sz;
5221 ssize_t n;
5222
5223 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5224 if (r < 0)
5225 return bus_log_parse_error(r);
5226
5227 n = base64mem(p, sz, &h);
5228 if (n < 0)
5229 return log_oom();
5230
5231 bus_print_property_value(name, expected_value, value, h);
5232
5233 return 1;
5234
5235 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5236 _cleanup_free_ char *addresses = NULL;
5237
5238 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5239 if (r < 0)
5240 return bus_log_parse_error(r);
5241
5242 for (;;) {
5243 _cleanup_free_ char *str = NULL;
5244 uint32_t prefixlen;
5245 int32_t family;
5246 const void *ap;
5247 size_t an;
5248
5249 r = sd_bus_message_enter_container(m, 'r', "iayu");
5250 if (r < 0)
5251 return bus_log_parse_error(r);
5252 if (r == 0)
5253 break;
5254
5255 r = sd_bus_message_read(m, "i", &family);
5256 if (r < 0)
5257 return bus_log_parse_error(r);
5258
5259 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5260 if (r < 0)
5261 return bus_log_parse_error(r);
5262
5263 r = sd_bus_message_read(m, "u", &prefixlen);
5264 if (r < 0)
5265 return bus_log_parse_error(r);
5266
5267 r = sd_bus_message_exit_container(m);
5268 if (r < 0)
5269 return bus_log_parse_error(r);
5270
5271 if (!IN_SET(family, AF_INET, AF_INET6))
5272 continue;
5273
5274 if (an != FAMILY_ADDRESS_SIZE(family))
5275 continue;
5276
5277 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5278 continue;
5279
5280 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5281 continue;
5282
5283 if (!strextend_with_separator(&addresses, " ", str, NULL))
5284 return log_oom();
5285 }
5286
5287 r = sd_bus_message_exit_container(m);
5288 if (r < 0)
5289 return bus_log_parse_error(r);
5290
5291 if (all || !isempty(addresses))
5292 bus_print_property_value(name, expected_value, value, strempty(addresses));
5293
5294 return 1;
5295
5296 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5297 _cleanup_free_ char *paths = NULL;
5298 const char *source, *dest;
5299 int ignore_enoent;
5300 uint64_t rbind;
5301
5302 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5303 if (r < 0)
5304 return bus_log_parse_error(r);
5305
5306 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5307 _cleanup_free_ char *str = NULL;
5308
5309 if (isempty(source))
5310 continue;
5311
5312 if (asprintf(&str, "%s%s%s%s%s",
5313 ignore_enoent ? "-" : "",
5314 source,
5315 isempty(dest) ? "" : ":",
5316 strempty(dest),
5317 rbind == MS_REC ? ":rbind" : "") < 0)
5318 return log_oom();
5319
5320 if (!strextend_with_separator(&paths, " ", str, NULL))
5321 return log_oom();
5322 }
5323 if (r < 0)
5324 return bus_log_parse_error(r);
5325
5326 r = sd_bus_message_exit_container(m);
5327 if (r < 0)
5328 return bus_log_parse_error(r);
5329
5330 if (all || !isempty(paths))
5331 bus_print_property_value(name, expected_value, value, strempty(paths));
5332
5333 return 1;
5334
5335 } else if (streq(name, "TemporaryFileSystem")) {
5336 _cleanup_free_ char *paths = NULL;
5337 const char *target, *option;
5338
5339 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5340 if (r < 0)
5341 return bus_log_parse_error(r);
5342
5343 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5344 _cleanup_free_ char *str = NULL;
5345
5346 if (isempty(target))
5347 continue;
5348
5349 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5350 return log_oom();
5351
5352 if (!strextend_with_separator(&paths, " ", str, NULL))
5353 return log_oom();
5354 }
5355 if (r < 0)
5356 return bus_log_parse_error(r);
5357
5358 r = sd_bus_message_exit_container(m);
5359 if (r < 0)
5360 return bus_log_parse_error(r);
5361
5362 if (all || !isempty(paths))
5363 bus_print_property_value(name, expected_value, value, strempty(paths));
5364
5365 return 1;
5366
5367 } else if (streq(name, "LogExtraFields")) {
5368 _cleanup_free_ char *fields = NULL;
5369 const void *p;
5370 size_t sz;
5371
5372 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5373 if (r < 0)
5374 return bus_log_parse_error(r);
5375
5376 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5377 _cleanup_free_ char *str = NULL;
5378 const char *eq;
5379
5380 if (memchr(p, 0, sz))
5381 continue;
5382
5383 eq = memchr(p, '=', sz);
5384 if (!eq)
5385 continue;
5386
5387 if (!journal_field_valid(p, eq - (const char*) p, false))
5388 continue;
5389
5390 str = malloc(sz + 1);
5391 if (!str)
5392 return log_oom();
5393
5394 memcpy(str, p, sz);
5395 str[sz] = '\0';
5396
5397 if (!utf8_is_valid(str))
5398 continue;
5399
5400 if (!strextend_with_separator(&fields, " ", str, NULL))
5401 return log_oom();
5402 }
5403 if (r < 0)
5404 return bus_log_parse_error(r);
5405
5406 r = sd_bus_message_exit_container(m);
5407 if (r < 0)
5408 return bus_log_parse_error(r);
5409
5410 if (all || !isempty(fields))
5411 bus_print_property_value(name, expected_value, value, strempty(fields));
5412
5413 return 1;
5414 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask")) {
5415 _cleanup_free_ char *affinity = NULL;
5416 _cleanup_(cpu_set_reset) CPUSet set = {};
5417 const void *a;
5418 size_t n;
5419
5420 r = sd_bus_message_read_array(m, 'y', &a, &n);
5421 if (r < 0)
5422 return bus_log_parse_error(r);
5423
5424 r = cpu_set_from_dbus(a, n, &set);
5425 if (r < 0)
5426 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5427
5428 affinity = cpu_set_to_range_string(&set);
5429 if (!affinity)
5430 return log_oom();
5431
5432 bus_print_property_value(name, expected_value, value, affinity);
5433
5434 return 1;
5435 }
5436
5437 break;
5438 }
5439
5440 return 0;
5441 }
5442
5443 typedef enum SystemctlShowMode{
5444 SYSTEMCTL_SHOW_PROPERTIES,
5445 SYSTEMCTL_SHOW_STATUS,
5446 SYSTEMCTL_SHOW_HELP,
5447 _SYSTEMCTL_SHOW_MODE_MAX,
5448 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5449 } SystemctlShowMode;
5450
5451 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5452 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5453 [SYSTEMCTL_SHOW_STATUS] = "status",
5454 [SYSTEMCTL_SHOW_HELP] = "help",
5455 };
5456
5457 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5458
5459 static int show_one(
5460 sd_bus *bus,
5461 const char *path,
5462 const char *unit,
5463 SystemctlShowMode show_mode,
5464 bool *new_line,
5465 bool *ellipsized) {
5466
5467 static const struct bus_properties_map property_map[] = {
5468 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5469 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5470 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5471 {}
5472 }, status_map[] = {
5473 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5474 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5475 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5476 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5477 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5478 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5479 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5480 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5481 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5482 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5483 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5484 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5485 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5486 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5487 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5488 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5489 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5490 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5491 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5492 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5493 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5494 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5495 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5496 { "MainPID", "u", map_main_pid, 0 },
5497 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5498 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5499 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5500 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5501 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5502 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5503 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5504 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5505 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5506 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5507 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5508 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5509 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5510 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5511 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5512 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5513 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5514 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5515 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5516 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5517 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5518 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5519 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5520 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5521 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5522 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5523 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5524 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5525 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5526 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5527 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5528 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5529 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5530 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5531 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5532 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5533 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5534 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5535 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5536 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5537 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5538 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5539 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5540 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5541 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5542 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5543 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5544 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5545 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5546 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5547 {}
5548 };
5549
5550 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5551 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5552 _cleanup_set_free_ Set *found_properties = NULL;
5553 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5554 .memory_current = (uint64_t) -1,
5555 .memory_high = CGROUP_LIMIT_MAX,
5556 .memory_max = CGROUP_LIMIT_MAX,
5557 .memory_swap_max = CGROUP_LIMIT_MAX,
5558 .memory_limit = (uint64_t) -1,
5559 .cpu_usage_nsec = (uint64_t) -1,
5560 .tasks_current = (uint64_t) -1,
5561 .tasks_max = (uint64_t) -1,
5562 .ip_ingress_bytes = (uint64_t) -1,
5563 .ip_egress_bytes = (uint64_t) -1,
5564 .io_read_bytes = UINT64_MAX,
5565 .io_write_bytes = UINT64_MAX,
5566 };
5567 char **pp;
5568 int r;
5569
5570 assert(path);
5571 assert(new_line);
5572
5573 log_debug("Showing one %s", path);
5574
5575 r = bus_map_all_properties(
5576 bus,
5577 "org.freedesktop.systemd1",
5578 path,
5579 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5580 BUS_MAP_BOOLEAN_AS_BOOL,
5581 &error,
5582 &reply,
5583 &info);
5584 if (r < 0)
5585 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5586
5587 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5588 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5589 "Unit %s could not be found.", unit);
5590
5591 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5592 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5593 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5594 return -ENOENT;
5595 }
5596
5597 if (*new_line)
5598 printf("\n");
5599
5600 *new_line = true;
5601
5602 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5603 print_status_info(bus, &info, ellipsized);
5604
5605 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5606 return EXIT_PROGRAM_NOT_RUNNING;
5607
5608 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5609
5610 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5611 show_unit_help(&info);
5612 return 0;
5613 }
5614
5615 r = sd_bus_message_rewind(reply, true);
5616 if (r < 0)
5617 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5618
5619 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5620 if (r < 0)
5621 return bus_log_parse_error(r);
5622
5623 STRV_FOREACH(pp, arg_properties)
5624 if (!set_contains(found_properties, *pp))
5625 log_debug("Property %s does not exist.", *pp);
5626
5627 return 0;
5628 }
5629
5630 static int get_unit_dbus_path_by_pid(
5631 sd_bus *bus,
5632 uint32_t pid,
5633 char **unit) {
5634
5635 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5636 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5637 char *u;
5638 int r;
5639
5640 r = sd_bus_call_method(
5641 bus,
5642 "org.freedesktop.systemd1",
5643 "/org/freedesktop/systemd1",
5644 "org.freedesktop.systemd1.Manager",
5645 "GetUnitByPID",
5646 &error,
5647 &reply,
5648 "u", pid);
5649 if (r < 0)
5650 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5651
5652 r = sd_bus_message_read(reply, "o", &u);
5653 if (r < 0)
5654 return bus_log_parse_error(r);
5655
5656 u = strdup(u);
5657 if (!u)
5658 return log_oom();
5659
5660 *unit = u;
5661 return 0;
5662 }
5663
5664 static int show_all(
5665 sd_bus *bus,
5666 bool *new_line,
5667 bool *ellipsized) {
5668
5669 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5670 _cleanup_free_ UnitInfo *unit_infos = NULL;
5671 const UnitInfo *u;
5672 unsigned c;
5673 int r, ret = 0;
5674
5675 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5676 if (r < 0)
5677 return r;
5678
5679 (void) pager_open(arg_pager_flags);
5680
5681 c = (unsigned) r;
5682
5683 typesafe_qsort(unit_infos, c, compare_unit_info);
5684
5685 for (u = unit_infos; u < unit_infos + c; u++) {
5686 _cleanup_free_ char *p = NULL;
5687
5688 p = unit_dbus_path_from_name(u->id);
5689 if (!p)
5690 return log_oom();
5691
5692 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5693 if (r < 0)
5694 return r;
5695 else if (r > 0 && ret == 0)
5696 ret = r;
5697 }
5698
5699 return ret;
5700 }
5701
5702 static int show_system_status(sd_bus *bus) {
5703 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5704 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5705 _cleanup_(machine_info_clear) struct machine_info mi = {};
5706 _cleanup_free_ char *hn = NULL;
5707 const char *on, *off;
5708 int r;
5709
5710 hn = gethostname_malloc();
5711 if (!hn)
5712 return log_oom();
5713
5714 r = bus_map_all_properties(
5715 bus,
5716 "org.freedesktop.systemd1",
5717 "/org/freedesktop/systemd1",
5718 machine_info_property_map,
5719 BUS_MAP_STRDUP,
5720 &error,
5721 NULL,
5722 &mi);
5723 if (r < 0)
5724 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5725
5726 if (streq_ptr(mi.state, "degraded")) {
5727 on = ansi_highlight_red();
5728 off = ansi_normal();
5729 } else if (streq_ptr(mi.state, "running")) {
5730 on = ansi_highlight_green();
5731 off = ansi_normal();
5732 } else {
5733 on = ansi_highlight_yellow();
5734 off = ansi_normal();
5735 }
5736
5737 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5738
5739 printf(" State: %s%s%s\n",
5740 on, strna(mi.state), off);
5741
5742 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5743 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5744
5745 printf(" Since: %s; %s\n",
5746 format_timestamp(since2, sizeof(since2), mi.timestamp),
5747 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5748
5749 printf(" CGroup: %s\n", mi.control_group ?: "/");
5750 if (IN_SET(arg_transport,
5751 BUS_TRANSPORT_LOCAL,
5752 BUS_TRANSPORT_MACHINE)) {
5753 static const char prefix[] = " ";
5754 unsigned c;
5755
5756 c = columns();
5757 if (c > sizeof(prefix) - 1)
5758 c -= sizeof(prefix) - 1;
5759 else
5760 c = 0;
5761
5762 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5763 }
5764
5765 return 0;
5766 }
5767
5768 static int show(int argc, char *argv[], void *userdata) {
5769 bool new_line = false, ellipsized = false;
5770 SystemctlShowMode show_mode;
5771 int r, ret = 0;
5772 sd_bus *bus;
5773
5774 assert(argv);
5775
5776 show_mode = systemctl_show_mode_from_string(argv[0]);
5777 if (show_mode < 0)
5778 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5779 "Invalid argument.");
5780
5781 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5782 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5783 "This command expects one or more unit names. Did you mean --help?");
5784
5785 r = acquire_bus(BUS_MANAGER, &bus);
5786 if (r < 0)
5787 return r;
5788
5789 (void) pager_open(arg_pager_flags);
5790
5791 /* If no argument is specified inspect the manager itself */
5792 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5793 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5794
5795 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5796
5797 show_system_status(bus);
5798 new_line = true;
5799
5800 if (arg_all)
5801 ret = show_all(bus, &new_line, &ellipsized);
5802 } else {
5803 _cleanup_free_ char **patterns = NULL;
5804 char **name;
5805
5806 STRV_FOREACH(name, strv_skip(argv, 1)) {
5807 _cleanup_free_ char *path = NULL, *unit = NULL;
5808 uint32_t id;
5809
5810 if (safe_atou32(*name, &id) < 0) {
5811 if (strv_push(&patterns, *name) < 0)
5812 return log_oom();
5813
5814 continue;
5815 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5816 /* Interpret as job id */
5817 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5818 return log_oom();
5819
5820 } else {
5821 /* Interpret as PID */
5822 r = get_unit_dbus_path_by_pid(bus, id, &path);
5823 if (r < 0) {
5824 ret = r;
5825 continue;
5826 }
5827
5828 r = unit_name_from_dbus_path(path, &unit);
5829 if (r < 0)
5830 return log_oom();
5831 }
5832
5833 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5834 if (r < 0)
5835 return r;
5836 else if (r > 0 && ret == 0)
5837 ret = r;
5838 }
5839
5840 if (!strv_isempty(patterns)) {
5841 _cleanup_strv_free_ char **names = NULL;
5842
5843 r = expand_names(bus, patterns, NULL, &names);
5844 if (r < 0)
5845 return log_error_errno(r, "Failed to expand names: %m");
5846
5847 STRV_FOREACH(name, names) {
5848 _cleanup_free_ char *path;
5849
5850 path = unit_dbus_path_from_name(*name);
5851 if (!path)
5852 return log_oom();
5853
5854 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5855 if (r < 0)
5856 return r;
5857 if (r > 0 && ret == 0)
5858 ret = r;
5859 }
5860 }
5861 }
5862
5863 if (ellipsized && !arg_quiet)
5864 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5865
5866 return ret;
5867 }
5868
5869 static int cat(int argc, char *argv[], void *userdata) {
5870 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5871 _cleanup_strv_free_ char **names = NULL;
5872 char **name;
5873 sd_bus *bus;
5874 bool first = true;
5875 int r;
5876
5877 /* Include all units by default - i.e. continue as if the --all
5878 * option was used */
5879 if (strv_isempty(arg_states))
5880 arg_all = true;
5881
5882 if (arg_transport != BUS_TRANSPORT_LOCAL)
5883 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5884
5885 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5886 if (r < 0)
5887 return log_error_errno(r, "Failed to determine unit paths: %m");
5888
5889 r = acquire_bus(BUS_MANAGER, &bus);
5890 if (r < 0)
5891 return r;
5892
5893 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5894 if (r < 0)
5895 return log_error_errno(r, "Failed to expand names: %m");
5896
5897 (void) pager_open(arg_pager_flags);
5898
5899 STRV_FOREACH(name, names) {
5900 _cleanup_free_ char *fragment_path = NULL;
5901 _cleanup_strv_free_ char **dropin_paths = NULL;
5902
5903 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5904 if (r == -ERFKILL) {
5905 printf("%s# Unit %s is masked%s.\n",
5906 ansi_highlight_magenta(),
5907 *name,
5908 ansi_normal());
5909 continue;
5910 }
5911 if (r == -EKEYREJECTED) {
5912 printf("%s# Unit %s could not be loaded.%s\n",
5913 ansi_highlight_magenta(),
5914 *name,
5915 ansi_normal());
5916 continue;
5917 }
5918 if (r < 0)
5919 return r;
5920 if (r == 0)
5921 return -ENOENT;
5922
5923 if (first)
5924 first = false;
5925 else
5926 puts("");
5927
5928 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5929 fprintf(stderr,
5930 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5931 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5932 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5933 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5934 ansi_highlight_red(),
5935 *name,
5936 ansi_highlight_red(),
5937 ansi_highlight_red(),
5938 ansi_highlight_red(),
5939 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5940 ansi_normal());
5941
5942 r = cat_files(fragment_path, dropin_paths, 0);
5943 if (r < 0)
5944 return r;
5945 }
5946
5947 return 0;
5948 }
5949
5950 static int set_property(int argc, char *argv[], void *userdata) {
5951 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5952 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5953 _cleanup_free_ char *n = NULL;
5954 UnitType t;
5955 sd_bus *bus;
5956 int r;
5957
5958 r = acquire_bus(BUS_MANAGER, &bus);
5959 if (r < 0)
5960 return r;
5961
5962 polkit_agent_open_maybe();
5963
5964 r = sd_bus_message_new_method_call(
5965 bus,
5966 &m,
5967 "org.freedesktop.systemd1",
5968 "/org/freedesktop/systemd1",
5969 "org.freedesktop.systemd1.Manager",
5970 "SetUnitProperties");
5971 if (r < 0)
5972 return bus_log_create_error(r);
5973
5974 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5975 if (r < 0)
5976 return log_error_errno(r, "Failed to mangle unit name: %m");
5977
5978 t = unit_name_to_type(n);
5979 if (t < 0)
5980 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
5981
5982 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5983 if (r < 0)
5984 return bus_log_create_error(r);
5985
5986 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5987 if (r < 0)
5988 return bus_log_create_error(r);
5989
5990 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5991 if (r < 0)
5992 return r;
5993
5994 r = sd_bus_message_close_container(m);
5995 if (r < 0)
5996 return bus_log_create_error(r);
5997
5998 r = sd_bus_call(bus, m, 0, &error, NULL);
5999 if (r < 0)
6000 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
6001
6002 return 0;
6003 }
6004
6005 static int daemon_reload(int argc, char *argv[], void *userdata) {
6006 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6007 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6008 const char *method;
6009 sd_bus *bus;
6010 int r;
6011
6012 r = acquire_bus(BUS_MANAGER, &bus);
6013 if (r < 0)
6014 return r;
6015
6016 polkit_agent_open_maybe();
6017
6018 switch (arg_action) {
6019
6020 case ACTION_RELOAD:
6021 method = "Reload";
6022 break;
6023
6024 case ACTION_REEXEC:
6025 method = "Reexecute";
6026 break;
6027
6028 case ACTION_SYSTEMCTL:
6029 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6030 /* "daemon-reload" */ "Reload";
6031 break;
6032
6033 default:
6034 assert_not_reached("Unexpected action");
6035 }
6036
6037 r = sd_bus_message_new_method_call(
6038 bus,
6039 &m,
6040 "org.freedesktop.systemd1",
6041 "/org/freedesktop/systemd1",
6042 "org.freedesktop.systemd1.Manager",
6043 method);
6044 if (r < 0)
6045 return bus_log_create_error(r);
6046
6047 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6048 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6049 * their timeout, and for everything else there's the same time budget in place. */
6050
6051 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6052
6053 /* On reexecution, we expect a disconnect, not a reply */
6054 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6055 r = 0;
6056
6057 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6058 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6059
6060 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6061 * old ways of doing things, hence don't log any error in that case here. */
6062
6063 return r < 0 ? r : 0;
6064 }
6065
6066 static int trivial_method(int argc, char *argv[], void *userdata) {
6067 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6068 const char *method;
6069 sd_bus *bus;
6070 int r;
6071
6072 if (arg_dry_run)
6073 return 0;
6074
6075 r = acquire_bus(BUS_MANAGER, &bus);
6076 if (r < 0)
6077 return r;
6078
6079 polkit_agent_open_maybe();
6080
6081 method =
6082 streq(argv[0], "clear-jobs") ||
6083 streq(argv[0], "cancel") ? "ClearJobs" :
6084 streq(argv[0], "reset-failed") ? "ResetFailed" :
6085 streq(argv[0], "halt") ? "Halt" :
6086 streq(argv[0], "reboot") ? "Reboot" :
6087 streq(argv[0], "kexec") ? "KExec" :
6088 streq(argv[0], "exit") ? "Exit" :
6089 /* poweroff */ "PowerOff";
6090
6091 r = sd_bus_call_method(
6092 bus,
6093 "org.freedesktop.systemd1",
6094 "/org/freedesktop/systemd1",
6095 "org.freedesktop.systemd1.Manager",
6096 method,
6097 &error,
6098 NULL,
6099 NULL);
6100 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6101 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6102
6103 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6104 * old ways of doing things, hence don't log any error in that case here. */
6105
6106 return r < 0 ? r : 0;
6107 }
6108
6109 static int reset_failed(int argc, char *argv[], void *userdata) {
6110 _cleanup_strv_free_ char **names = NULL;
6111 sd_bus *bus;
6112 char **name;
6113 int r, q;
6114
6115 if (argc <= 1)
6116 return trivial_method(argc, argv, userdata);
6117
6118 r = acquire_bus(BUS_MANAGER, &bus);
6119 if (r < 0)
6120 return r;
6121
6122 polkit_agent_open_maybe();
6123
6124 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6125 if (r < 0)
6126 return log_error_errno(r, "Failed to expand names: %m");
6127
6128 STRV_FOREACH(name, names) {
6129 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6130
6131 q = sd_bus_call_method(
6132 bus,
6133 "org.freedesktop.systemd1",
6134 "/org/freedesktop/systemd1",
6135 "org.freedesktop.systemd1.Manager",
6136 "ResetFailedUnit",
6137 &error,
6138 NULL,
6139 "s", *name);
6140 if (q < 0) {
6141 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6142 if (r == 0)
6143 r = q;
6144 }
6145 }
6146
6147 return r;
6148 }
6149
6150 static int print_variable(const char *s) {
6151 const char *sep;
6152 _cleanup_free_ char *esc = NULL;
6153
6154 sep = strchr(s, '=');
6155 if (!sep)
6156 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6157 "Invalid environment block");
6158
6159 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6160 if (!esc)
6161 return log_oom();
6162
6163 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6164 return 0;
6165 }
6166
6167 static int show_environment(int argc, char *argv[], void *userdata) {
6168 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6169 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6170 const char *text;
6171 sd_bus *bus;
6172 int r;
6173
6174 r = acquire_bus(BUS_MANAGER, &bus);
6175 if (r < 0)
6176 return r;
6177
6178 (void) pager_open(arg_pager_flags);
6179
6180 r = sd_bus_get_property(
6181 bus,
6182 "org.freedesktop.systemd1",
6183 "/org/freedesktop/systemd1",
6184 "org.freedesktop.systemd1.Manager",
6185 "Environment",
6186 &error,
6187 &reply,
6188 "as");
6189 if (r < 0)
6190 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6191
6192 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6193 if (r < 0)
6194 return bus_log_parse_error(r);
6195
6196 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6197 r = print_variable(text);
6198 if (r < 0)
6199 return r;
6200 }
6201 if (r < 0)
6202 return bus_log_parse_error(r);
6203
6204 r = sd_bus_message_exit_container(reply);
6205 if (r < 0)
6206 return bus_log_parse_error(r);
6207
6208 return 0;
6209 }
6210
6211 static int switch_root(int argc, char *argv[], void *userdata) {
6212 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6213 _cleanup_free_ char *cmdline_init = NULL;
6214 const char *root, *init;
6215 sd_bus *bus;
6216 int r;
6217
6218 if (arg_transport != BUS_TRANSPORT_LOCAL)
6219 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6220
6221 if (argc < 2 || argc > 3)
6222 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6223
6224 root = argv[1];
6225
6226 if (argc >= 3)
6227 init = argv[2];
6228 else {
6229 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6230 if (r < 0)
6231 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6232
6233 init = cmdline_init;
6234 }
6235
6236 init = empty_to_null(init);
6237 if (init) {
6238 const char *root_systemd_path = NULL, *root_init_path = NULL;
6239
6240 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6241 root_init_path = prefix_roota(root, init);
6242
6243 /* If the passed init is actually the same as the
6244 * systemd binary, then let's suppress it. */
6245 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6246 init = NULL;
6247 }
6248
6249 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6250 * would exit with a failure status even though the switch to the new root has succeed. */
6251 assert(saved_argv);
6252 assert(saved_argv[0]);
6253 saved_argv[0][0] = '@';
6254
6255 r = acquire_bus(BUS_MANAGER, &bus);
6256 if (r < 0)
6257 return r;
6258
6259 /* If we are slow to exit after the root switch, the new systemd instance
6260 * will send us a signal to terminate. Just ignore it and exit normally.
6261 * This way the unit does not end up as failed.
6262 */
6263 r = ignore_signals(SIGTERM, -1);
6264 if (r < 0)
6265 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6266
6267 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6268
6269 r = sd_bus_call_method(
6270 bus,
6271 "org.freedesktop.systemd1",
6272 "/org/freedesktop/systemd1",
6273 "org.freedesktop.systemd1.Manager",
6274 "SwitchRoot",
6275 &error,
6276 NULL,
6277 "ss", root, init);
6278 if (r < 0) {
6279 (void) default_signals(SIGTERM, -1);
6280
6281 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6282 }
6283
6284 return 0;
6285 }
6286
6287 static int set_environment(int argc, char *argv[], void *userdata) {
6288 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6289 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6290 const char *method;
6291 sd_bus *bus;
6292 int r;
6293
6294 assert(argc > 1);
6295 assert(argv);
6296
6297 r = acquire_bus(BUS_MANAGER, &bus);
6298 if (r < 0)
6299 return r;
6300
6301 polkit_agent_open_maybe();
6302
6303 method = streq(argv[0], "set-environment")
6304 ? "SetEnvironment"
6305 : "UnsetEnvironment";
6306
6307 r = sd_bus_message_new_method_call(
6308 bus,
6309 &m,
6310 "org.freedesktop.systemd1",
6311 "/org/freedesktop/systemd1",
6312 "org.freedesktop.systemd1.Manager",
6313 method);
6314 if (r < 0)
6315 return bus_log_create_error(r);
6316
6317 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6318 if (r < 0)
6319 return bus_log_create_error(r);
6320
6321 r = sd_bus_call(bus, m, 0, &error, NULL);
6322 if (r < 0)
6323 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6324
6325 return 0;
6326 }
6327
6328 static int import_environment(int argc, char *argv[], void *userdata) {
6329 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6330 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6331 sd_bus *bus;
6332 int r;
6333
6334 r = acquire_bus(BUS_MANAGER, &bus);
6335 if (r < 0)
6336 return r;
6337
6338 polkit_agent_open_maybe();
6339
6340 r = sd_bus_message_new_method_call(
6341 bus,
6342 &m,
6343 "org.freedesktop.systemd1",
6344 "/org/freedesktop/systemd1",
6345 "org.freedesktop.systemd1.Manager",
6346 "SetEnvironment");
6347 if (r < 0)
6348 return bus_log_create_error(r);
6349
6350 if (argc < 2)
6351 r = sd_bus_message_append_strv(m, environ);
6352 else {
6353 char **a, **b;
6354
6355 r = sd_bus_message_open_container(m, 'a', "s");
6356 if (r < 0)
6357 return bus_log_create_error(r);
6358
6359 STRV_FOREACH(a, strv_skip(argv, 1)) {
6360
6361 if (!env_name_is_valid(*a))
6362 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6363
6364 STRV_FOREACH(b, environ) {
6365 const char *eq;
6366
6367 eq = startswith(*b, *a);
6368 if (eq && *eq == '=') {
6369
6370 r = sd_bus_message_append(m, "s", *b);
6371 if (r < 0)
6372 return bus_log_create_error(r);
6373
6374 break;
6375 }
6376 }
6377 }
6378
6379 r = sd_bus_message_close_container(m);
6380 }
6381 if (r < 0)
6382 return bus_log_create_error(r);
6383
6384 r = sd_bus_call(bus, m, 0, &error, NULL);
6385 if (r < 0)
6386 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6387
6388 return 0;
6389 }
6390
6391 static int enable_sysv_units(const char *verb, char **args) {
6392 int r = 0;
6393
6394 #if HAVE_SYSV_COMPAT
6395 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6396 unsigned f = 0;
6397
6398 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6399
6400 if (arg_scope != UNIT_FILE_SYSTEM)
6401 return 0;
6402
6403 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6404 return 0;
6405
6406 if (!STR_IN_SET(verb,
6407 "enable",
6408 "disable",
6409 "is-enabled"))
6410 return 0;
6411
6412 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6413 if (r < 0)
6414 return r;
6415
6416 r = 0;
6417 while (args[f]) {
6418
6419 const char *argv[] = {
6420 ROOTLIBEXECDIR "/systemd-sysv-install",
6421 NULL, /* --root= */
6422 NULL, /* verb */
6423 NULL, /* service */
6424 NULL,
6425 };
6426
6427 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6428 bool found_native = false, found_sysv;
6429 const char *name;
6430 unsigned c = 1;
6431 pid_t pid;
6432 int j;
6433
6434 name = args[f++];
6435
6436 if (!endswith(name, ".service"))
6437 continue;
6438
6439 if (path_is_absolute(name))
6440 continue;
6441
6442 j = unit_file_exists(arg_scope, &paths, name);
6443 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6444 return log_error_errno(j, "Failed to lookup unit file state: %m");
6445 found_native = j != 0;
6446
6447 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6448 * prefer the native unit */
6449 if (found_native && streq(verb, "is-enabled"))
6450 continue;
6451
6452 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6453 if (!p)
6454 return log_oom();
6455
6456 p[strlen(p) - STRLEN(".service")] = 0;
6457 found_sysv = access(p, F_OK) >= 0;
6458 if (!found_sysv)
6459 continue;
6460
6461 if (!arg_quiet) {
6462 if (found_native)
6463 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6464 else
6465 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6466 }
6467
6468 if (!isempty(arg_root)) {
6469 q = strjoin("--root=", arg_root);
6470 if (!q)
6471 return log_oom();
6472
6473 argv[c++] = q;
6474 }
6475
6476 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6477 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6478 v = strdup(verb);
6479 if (!v)
6480 return log_oom();
6481
6482 argv[c++] = v;
6483 argv[c++] = basename(p);
6484 argv[c] = NULL;
6485
6486 l = strv_join((char**)argv, " ");
6487 if (!l)
6488 return log_oom();
6489
6490 if (!arg_quiet)
6491 log_info("Executing: %s", l);
6492
6493 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6494 if (j < 0)
6495 return j;
6496 if (j == 0) {
6497 /* Child */
6498 execv(argv[0], (char**) argv);
6499 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6500 _exit(EXIT_FAILURE);
6501 }
6502
6503 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6504 if (j < 0)
6505 return j;
6506 if (streq(verb, "is-enabled")) {
6507 if (j == EXIT_SUCCESS) {
6508 if (!arg_quiet)
6509 puts("enabled");
6510 r = 1;
6511 } else {
6512 if (!arg_quiet)
6513 puts("disabled");
6514 }
6515
6516 } else if (j != EXIT_SUCCESS)
6517 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6518
6519 if (found_native)
6520 continue;
6521
6522 /* Remove this entry, so that we don't try enabling it as native unit */
6523 assert(f > 0);
6524 f--;
6525 assert(args[f] == name);
6526 strv_remove(args + f, name);
6527 }
6528
6529 #endif
6530 return r;
6531 }
6532
6533 static int mangle_names(char **original_names, char ***mangled_names) {
6534 char **i, **l, **name;
6535 int r;
6536
6537 l = i = new(char*, strv_length(original_names) + 1);
6538 if (!l)
6539 return log_oom();
6540
6541 STRV_FOREACH(name, original_names) {
6542
6543 /* When enabling units qualified path names are OK,
6544 * too, hence allow them explicitly. */
6545
6546 if (is_path(*name)) {
6547 *i = strdup(*name);
6548 if (!*i) {
6549 strv_free(l);
6550 return log_oom();
6551 }
6552 } else {
6553 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6554 if (r < 0) {
6555 *i = NULL;
6556 strv_free(l);
6557 return log_error_errno(r, "Failed to mangle unit name: %m");
6558 }
6559 }
6560
6561 i++;
6562 }
6563
6564 *i = NULL;
6565 *mangled_names = l;
6566
6567 return 0;
6568 }
6569
6570 static int normalize_filenames(char **names) {
6571 char **u;
6572 int r;
6573
6574 STRV_FOREACH(u, names)
6575 if (!path_is_absolute(*u)) {
6576 char* normalized_path;
6577
6578 if (!isempty(arg_root))
6579 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6580 "Non-absolute paths are not allowed when --root is used: %s",
6581 *u);
6582
6583 if (!strchr(*u,'/'))
6584 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6585 "Link argument does contain at least one directory separator: %s",
6586 *u);
6587
6588 r = path_make_absolute_cwd(*u, &normalized_path);
6589 if (r < 0)
6590 return r;
6591
6592 free_and_replace(*u, normalized_path);
6593 }
6594
6595 return 0;
6596 }
6597
6598 static int normalize_names(char **names, bool warn_if_path) {
6599 char **u;
6600 bool was_path = false;
6601
6602 STRV_FOREACH(u, names) {
6603 int r;
6604
6605 if (!is_path(*u))
6606 continue;
6607
6608 r = free_and_strdup(u, basename(*u));
6609 if (r < 0)
6610 return log_error_errno(r, "Failed to normalize unit file path: %m");
6611
6612 was_path = true;
6613 }
6614
6615 if (warn_if_path && was_path)
6616 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6617
6618 return 0;
6619 }
6620
6621 static int unit_exists(LookupPaths *lp, const char *unit) {
6622 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6623 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6624 _cleanup_free_ char *path = NULL;
6625 static const struct bus_properties_map property_map[] = {
6626 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6627 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6628 {},
6629 };
6630 UnitStatusInfo info = {};
6631 sd_bus *bus;
6632 int r;
6633
6634 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6635 return unit_find_template_path(unit, lp, NULL, NULL);
6636
6637 path = unit_dbus_path_from_name(unit);
6638 if (!path)
6639 return log_oom();
6640
6641 r = acquire_bus(BUS_MANAGER, &bus);
6642 if (r < 0)
6643 return r;
6644
6645 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6646 if (r < 0)
6647 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6648
6649 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6650 }
6651
6652 static int enable_unit(int argc, char *argv[], void *userdata) {
6653 _cleanup_strv_free_ char **names = NULL;
6654 const char *verb = argv[0];
6655 UnitFileChange *changes = NULL;
6656 size_t n_changes = 0;
6657 int carries_install_info = -1;
6658 bool ignore_carries_install_info = arg_quiet;
6659 int r;
6660
6661 if (!argv[1])
6662 return 0;
6663
6664 r = mangle_names(strv_skip(argv, 1), &names);
6665 if (r < 0)
6666 return r;
6667
6668 r = enable_sysv_units(verb, names);
6669 if (r < 0)
6670 return r;
6671
6672 /* If the operation was fully executed by the SysV compat, let's finish early */
6673 if (strv_isempty(names)) {
6674 if (arg_no_reload || install_client_side())
6675 return 0;
6676 return daemon_reload(argc, argv, userdata);
6677 }
6678
6679 if (streq(verb, "disable")) {
6680 r = normalize_names(names, true);
6681 if (r < 0)
6682 return r;
6683 }
6684
6685 if (streq(verb, "link")) {
6686 r = normalize_filenames(names);
6687 if (r < 0)
6688 return r;
6689 }
6690
6691 if (install_client_side()) {
6692 UnitFileFlags flags;
6693
6694 flags = args_to_flags();
6695 if (streq(verb, "enable")) {
6696 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6697 carries_install_info = r;
6698 } else if (streq(verb, "disable"))
6699 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6700 else if (streq(verb, "reenable")) {
6701 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6702 carries_install_info = r;
6703 } else if (streq(verb, "link"))
6704 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6705 else if (streq(verb, "preset")) {
6706 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6707 } else if (streq(verb, "mask"))
6708 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6709 else if (streq(verb, "unmask"))
6710 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6711 else if (streq(verb, "revert"))
6712 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6713 else
6714 assert_not_reached("Unknown verb");
6715
6716 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6717 if (r < 0)
6718 goto finish;
6719 r = 0;
6720 } else {
6721 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6722 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6723 bool expect_carries_install_info = false;
6724 bool send_runtime = true, send_force = true, send_preset_mode = false;
6725 const char *method;
6726 sd_bus *bus;
6727
6728 if (STR_IN_SET(verb, "mask", "unmask")) {
6729 char **name;
6730 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6731
6732 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6733 if (r < 0)
6734 return r;
6735
6736 STRV_FOREACH(name, names) {
6737 r = unit_exists(&lp, *name);
6738 if (r < 0)
6739 return r;
6740 if (r == 0)
6741 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6742 }
6743 }
6744
6745 r = acquire_bus(BUS_MANAGER, &bus);
6746 if (r < 0)
6747 return r;
6748
6749 polkit_agent_open_maybe();
6750
6751 if (streq(verb, "enable")) {
6752 method = "EnableUnitFiles";
6753 expect_carries_install_info = true;
6754 } else if (streq(verb, "disable")) {
6755 method = "DisableUnitFiles";
6756 send_force = false;
6757 } else if (streq(verb, "reenable")) {
6758 method = "ReenableUnitFiles";
6759 expect_carries_install_info = true;
6760 } else if (streq(verb, "link"))
6761 method = "LinkUnitFiles";
6762 else if (streq(verb, "preset")) {
6763
6764 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6765 method = "PresetUnitFilesWithMode";
6766 send_preset_mode = true;
6767 } else
6768 method = "PresetUnitFiles";
6769
6770 expect_carries_install_info = true;
6771 ignore_carries_install_info = true;
6772 } else if (streq(verb, "mask"))
6773 method = "MaskUnitFiles";
6774 else if (streq(verb, "unmask")) {
6775 method = "UnmaskUnitFiles";
6776 send_force = false;
6777 } else if (streq(verb, "revert")) {
6778 method = "RevertUnitFiles";
6779 send_runtime = send_force = false;
6780 } else
6781 assert_not_reached("Unknown verb");
6782
6783 r = sd_bus_message_new_method_call(
6784 bus,
6785 &m,
6786 "org.freedesktop.systemd1",
6787 "/org/freedesktop/systemd1",
6788 "org.freedesktop.systemd1.Manager",
6789 method);
6790 if (r < 0)
6791 return bus_log_create_error(r);
6792
6793 r = sd_bus_message_append_strv(m, names);
6794 if (r < 0)
6795 return bus_log_create_error(r);
6796
6797 if (send_preset_mode) {
6798 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6799 if (r < 0)
6800 return bus_log_create_error(r);
6801 }
6802
6803 if (send_runtime) {
6804 r = sd_bus_message_append(m, "b", arg_runtime);
6805 if (r < 0)
6806 return bus_log_create_error(r);
6807 }
6808
6809 if (send_force) {
6810 r = sd_bus_message_append(m, "b", arg_force);
6811 if (r < 0)
6812 return bus_log_create_error(r);
6813 }
6814
6815 r = sd_bus_call(bus, m, 0, &error, &reply);
6816 if (r < 0)
6817 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6818
6819 if (expect_carries_install_info) {
6820 r = sd_bus_message_read(reply, "b", &carries_install_info);
6821 if (r < 0)
6822 return bus_log_parse_error(r);
6823 }
6824
6825 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6826 if (r < 0)
6827 goto finish;
6828
6829 /* Try to reload if enabled */
6830 if (!arg_no_reload)
6831 r = daemon_reload(argc, argv, userdata);
6832 else
6833 r = 0;
6834 }
6835
6836 if (carries_install_info == 0 && !ignore_carries_install_info)
6837 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6838 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6839 "units). This means they are not meant to be enabled using systemctl.\n"
6840 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6841 "Possible reasons for having this kind of units are:\n"
6842 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6843 " .wants/ or .requires/ directory.\n"
6844 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6845 " a requirement dependency on it.\n"
6846 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6847 " D-Bus, udev, scripted systemctl call, ...).\n"
6848 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6849 " instance name specified.",
6850 special_glyph(SPECIAL_GLYPH_BULLET));
6851
6852 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6853 sd_bus *bus;
6854 size_t len, i;
6855
6856 r = acquire_bus(BUS_MANAGER, &bus);
6857 if (r < 0)
6858 goto finish;
6859
6860 len = strv_length(names);
6861 {
6862 char *new_args[len + 2];
6863
6864 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6865 for (i = 0; i < len; i++)
6866 new_args[i + 1] = basename(names[i]);
6867 new_args[i + 1] = NULL;
6868
6869 r = start_unit(len + 1, new_args, userdata);
6870 }
6871 }
6872
6873 finish:
6874 unit_file_changes_free(changes, n_changes);
6875
6876 return r;
6877 }
6878
6879 static int add_dependency(int argc, char *argv[], void *userdata) {
6880 _cleanup_strv_free_ char **names = NULL;
6881 _cleanup_free_ char *target = NULL;
6882 const char *verb = argv[0];
6883 UnitFileChange *changes = NULL;
6884 size_t n_changes = 0;
6885 UnitDependency dep;
6886 int r = 0;
6887
6888 if (!argv[1])
6889 return 0;
6890
6891 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6892 if (r < 0)
6893 return log_error_errno(r, "Failed to mangle unit name: %m");
6894
6895 r = mangle_names(strv_skip(argv, 2), &names);
6896 if (r < 0)
6897 return r;
6898
6899 if (streq(verb, "add-wants"))
6900 dep = UNIT_WANTS;
6901 else if (streq(verb, "add-requires"))
6902 dep = UNIT_REQUIRES;
6903 else
6904 assert_not_reached("Unknown verb");
6905
6906 if (install_client_side()) {
6907 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6908 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6909
6910 if (r > 0)
6911 r = 0;
6912 } else {
6913 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6914 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6915 sd_bus *bus;
6916
6917 r = acquire_bus(BUS_MANAGER, &bus);
6918 if (r < 0)
6919 return r;
6920
6921 polkit_agent_open_maybe();
6922
6923 r = sd_bus_message_new_method_call(
6924 bus,
6925 &m,
6926 "org.freedesktop.systemd1",
6927 "/org/freedesktop/systemd1",
6928 "org.freedesktop.systemd1.Manager",
6929 "AddDependencyUnitFiles");
6930 if (r < 0)
6931 return bus_log_create_error(r);
6932
6933 r = sd_bus_message_append_strv(m, names);
6934 if (r < 0)
6935 return bus_log_create_error(r);
6936
6937 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6938 if (r < 0)
6939 return bus_log_create_error(r);
6940
6941 r = sd_bus_call(bus, m, 0, &error, &reply);
6942 if (r < 0)
6943 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6944
6945 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6946 if (r < 0)
6947 goto finish;
6948
6949 if (arg_no_reload) {
6950 r = 0;
6951 goto finish;
6952 }
6953
6954 r = daemon_reload(argc, argv, userdata);
6955 }
6956
6957 finish:
6958 unit_file_changes_free(changes, n_changes);
6959
6960 return r;
6961 }
6962
6963 static int preset_all(int argc, char *argv[], void *userdata) {
6964 UnitFileChange *changes = NULL;
6965 size_t n_changes = 0;
6966 int r;
6967
6968 if (install_client_side()) {
6969 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6970 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6971
6972 if (r > 0)
6973 r = 0;
6974 } else {
6975 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6976 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6977 sd_bus *bus;
6978
6979 r = acquire_bus(BUS_MANAGER, &bus);
6980 if (r < 0)
6981 return r;
6982
6983 polkit_agent_open_maybe();
6984
6985 r = sd_bus_call_method(
6986 bus,
6987 "org.freedesktop.systemd1",
6988 "/org/freedesktop/systemd1",
6989 "org.freedesktop.systemd1.Manager",
6990 "PresetAllUnitFiles",
6991 &error,
6992 &reply,
6993 "sbb",
6994 unit_file_preset_mode_to_string(arg_preset_mode),
6995 arg_runtime,
6996 arg_force);
6997 if (r < 0)
6998 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6999
7000 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7001 if (r < 0)
7002 goto finish;
7003
7004 if (arg_no_reload) {
7005 r = 0;
7006 goto finish;
7007 }
7008
7009 r = daemon_reload(argc, argv, userdata);
7010 }
7011
7012 finish:
7013 unit_file_changes_free(changes, n_changes);
7014
7015 return r;
7016 }
7017
7018 static int show_installation_targets_client_side(const char *name) {
7019 UnitFileChange *changes = NULL;
7020 size_t n_changes = 0, i;
7021 UnitFileFlags flags;
7022 char **p;
7023 int r;
7024
7025 p = STRV_MAKE(name);
7026 flags = UNIT_FILE_DRY_RUN |
7027 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7028
7029 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7030 if (r < 0)
7031 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7032
7033 for (i = 0; i < n_changes; i++)
7034 if (changes[i].type == UNIT_FILE_UNLINK)
7035 printf(" %s\n", changes[i].path);
7036
7037 return 0;
7038 }
7039
7040 static int show_installation_targets(sd_bus *bus, const char *name) {
7041 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7042 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7043 const char *link;
7044 int r;
7045
7046 r = sd_bus_call_method(
7047 bus,
7048 "org.freedesktop.systemd1",
7049 "/org/freedesktop/systemd1",
7050 "org.freedesktop.systemd1.Manager",
7051 "GetUnitFileLinks",
7052 &error,
7053 &reply,
7054 "sb", name, arg_runtime);
7055 if (r < 0)
7056 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7057
7058 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7059 if (r < 0)
7060 return bus_log_parse_error(r);
7061
7062 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7063 printf(" %s\n", link);
7064
7065 if (r < 0)
7066 return bus_log_parse_error(r);
7067
7068 r = sd_bus_message_exit_container(reply);
7069 if (r < 0)
7070 return bus_log_parse_error(r);
7071
7072 return 0;
7073 }
7074
7075 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7076 _cleanup_strv_free_ char **names = NULL;
7077 bool enabled;
7078 char **name;
7079 int r;
7080
7081 r = mangle_names(strv_skip(argv, 1), &names);
7082 if (r < 0)
7083 return r;
7084
7085 r = enable_sysv_units(argv[0], names);
7086 if (r < 0)
7087 return r;
7088
7089 enabled = r > 0;
7090
7091 if (install_client_side()) {
7092 STRV_FOREACH(name, names) {
7093 UnitFileState state;
7094
7095 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7096 if (r < 0)
7097 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7098
7099 if (IN_SET(state,
7100 UNIT_FILE_ENABLED,
7101 UNIT_FILE_ENABLED_RUNTIME,
7102 UNIT_FILE_STATIC,
7103 UNIT_FILE_INDIRECT,
7104 UNIT_FILE_GENERATED))
7105 enabled = true;
7106
7107 if (!arg_quiet) {
7108 puts(unit_file_state_to_string(state));
7109 if (arg_full) {
7110 r = show_installation_targets_client_side(*name);
7111 if (r < 0)
7112 return r;
7113 }
7114 }
7115 }
7116
7117 r = 0;
7118 } else {
7119 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7120 sd_bus *bus;
7121
7122 r = acquire_bus(BUS_MANAGER, &bus);
7123 if (r < 0)
7124 return r;
7125
7126 STRV_FOREACH(name, names) {
7127 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7128 const char *s;
7129
7130 r = sd_bus_call_method(
7131 bus,
7132 "org.freedesktop.systemd1",
7133 "/org/freedesktop/systemd1",
7134 "org.freedesktop.systemd1.Manager",
7135 "GetUnitFileState",
7136 &error,
7137 &reply,
7138 "s", *name);
7139 if (r < 0)
7140 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7141
7142 r = sd_bus_message_read(reply, "s", &s);
7143 if (r < 0)
7144 return bus_log_parse_error(r);
7145
7146 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7147 enabled = true;
7148
7149 if (!arg_quiet) {
7150 puts(s);
7151 if (arg_full) {
7152 r = show_installation_targets(bus, *name);
7153 if (r < 0)
7154 return r;
7155 }
7156 }
7157 }
7158 }
7159
7160 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7161 }
7162
7163 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7164 char **state = userdata;
7165 int r;
7166
7167 assert(state);
7168
7169 r = sd_bus_get_property_string(
7170 sd_bus_message_get_bus(m),
7171 "org.freedesktop.systemd1",
7172 "/org/freedesktop/systemd1",
7173 "org.freedesktop.systemd1.Manager",
7174 "SystemState",
7175 NULL,
7176 state);
7177
7178 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7179 return 0;
7180 }
7181
7182 static int is_system_running(int argc, char *argv[], void *userdata) {
7183 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7184 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7185 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7186 _cleanup_free_ char *state = NULL;
7187 sd_bus *bus;
7188 int r;
7189
7190 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7191 if (!arg_quiet)
7192 puts("offline");
7193 return EXIT_FAILURE;
7194 }
7195
7196 r = acquire_bus(BUS_MANAGER, &bus);
7197 if (r < 0)
7198 return r;
7199
7200 if (arg_wait) {
7201 r = sd_event_default(&event);
7202 if (r >= 0)
7203 r = sd_bus_attach_event(bus, event, 0);
7204 if (r >= 0)
7205 r = sd_bus_match_signal_async(
7206 bus,
7207 &slot_startup_finished,
7208 "org.freedesktop.systemd1",
7209 "/org/freedesktop/systemd1",
7210 "org.freedesktop.systemd1.Manager",
7211 "StartupFinished",
7212 match_startup_finished, NULL, &state);
7213 if (r < 0) {
7214 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7215 arg_wait = false;
7216 }
7217 }
7218
7219 r = sd_bus_get_property_string(
7220 bus,
7221 "org.freedesktop.systemd1",
7222 "/org/freedesktop/systemd1",
7223 "org.freedesktop.systemd1.Manager",
7224 "SystemState",
7225 &error,
7226 &state);
7227 if (r < 0) {
7228 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7229
7230 if (!arg_quiet)
7231 puts("unknown");
7232 return EXIT_FAILURE;
7233 }
7234
7235 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7236 r = sd_event_loop(event);
7237 if (r < 0) {
7238 log_warning_errno(r, "Failed to get property from event loop: %m");
7239 if (!arg_quiet)
7240 puts("unknown");
7241 return EXIT_FAILURE;
7242 }
7243 }
7244
7245 if (!arg_quiet)
7246 puts(state);
7247
7248 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7249 }
7250
7251 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7252 _cleanup_free_ char *t = NULL;
7253 int r;
7254
7255 assert(new_path);
7256 assert(original_path);
7257 assert(ret_tmp_fn);
7258
7259 r = tempfn_random(new_path, NULL, &t);
7260 if (r < 0)
7261 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7262
7263 r = mkdir_parents(new_path, 0755);
7264 if (r < 0)
7265 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7266
7267 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7268 if (r == -ENOENT) {
7269
7270 r = touch(t);
7271 if (r < 0)
7272 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7273
7274 } else if (r < 0)
7275 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7276
7277 *ret_tmp_fn = TAKE_PTR(t);
7278
7279 return 0;
7280 }
7281
7282 static int get_file_to_edit(
7283 const LookupPaths *paths,
7284 const char *name,
7285 char **ret_path) {
7286
7287 _cleanup_free_ char *path = NULL, *run = NULL;
7288
7289 assert(name);
7290 assert(ret_path);
7291
7292 path = path_join(paths->persistent_config, name);
7293 if (!path)
7294 return log_oom();
7295
7296 if (arg_runtime) {
7297 run = path_join(paths->runtime_config, name);
7298 if (!run)
7299 return log_oom();
7300 }
7301
7302 if (arg_runtime) {
7303 if (access(path, F_OK) >= 0)
7304 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7305 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7306 run, path);
7307
7308 *ret_path = TAKE_PTR(run);
7309 } else
7310 *ret_path = TAKE_PTR(path);
7311
7312 return 0;
7313 }
7314
7315 static int unit_file_create_new(
7316 const LookupPaths *paths,
7317 const char *unit_name,
7318 const char *suffix,
7319 char **ret_new_path,
7320 char **ret_tmp_path) {
7321
7322 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7323 const char *ending;
7324 int r;
7325
7326 assert(unit_name);
7327 assert(ret_new_path);
7328 assert(ret_tmp_path);
7329
7330 ending = strjoina(unit_name, suffix);
7331 r = get_file_to_edit(paths, ending, &new_path);
7332 if (r < 0)
7333 return r;
7334
7335 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7336 if (r < 0)
7337 return r;
7338
7339 *ret_new_path = TAKE_PTR(new_path);
7340 *ret_tmp_path = TAKE_PTR(tmp_path);
7341
7342 return 0;
7343 }
7344
7345 static int unit_file_create_copy(
7346 const LookupPaths *paths,
7347 const char *unit_name,
7348 const char *fragment_path,
7349 char **ret_new_path,
7350 char **ret_tmp_path) {
7351
7352 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7353 int r;
7354
7355 assert(fragment_path);
7356 assert(unit_name);
7357 assert(ret_new_path);
7358 assert(ret_tmp_path);
7359
7360 r = get_file_to_edit(paths, unit_name, &new_path);
7361 if (r < 0)
7362 return r;
7363
7364 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7365 char response;
7366
7367 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7368 if (r < 0)
7369 return r;
7370 if (response != 'y')
7371 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7372 }
7373
7374 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7375 if (r < 0)
7376 return r;
7377
7378 *ret_new_path = TAKE_PTR(new_path);
7379 *ret_tmp_path = TAKE_PTR(tmp_path);
7380
7381 return 0;
7382 }
7383
7384 static int run_editor(char **paths) {
7385 int r;
7386
7387 assert(paths);
7388
7389 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7390 if (r < 0)
7391 return r;
7392 if (r == 0) {
7393 char **editor_args = NULL, **tmp_path, **original_path;
7394 size_t n_editor_args = 0, i = 1, argc;
7395 const char **args, *editor, *p;
7396
7397 argc = strv_length(paths)/2 + 1;
7398
7399 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7400 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7401 * we try to execute well known editors
7402 */
7403 editor = getenv("SYSTEMD_EDITOR");
7404 if (!editor)
7405 editor = getenv("EDITOR");
7406 if (!editor)
7407 editor = getenv("VISUAL");
7408
7409 if (!isempty(editor)) {
7410 editor_args = strv_split(editor, WHITESPACE);
7411 if (!editor_args) {
7412 (void) log_oom();
7413 _exit(EXIT_FAILURE);
7414 }
7415 n_editor_args = strv_length(editor_args);
7416 argc += n_editor_args - 1;
7417 }
7418
7419 args = newa(const char*, argc + 1);
7420
7421 if (n_editor_args > 0) {
7422 args[0] = editor_args[0];
7423 for (; i < n_editor_args; i++)
7424 args[i] = editor_args[i];
7425 }
7426
7427 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7428 args[i++] = *tmp_path;
7429 args[i] = NULL;
7430
7431 if (n_editor_args > 0)
7432 execvp(args[0], (char* const*) args);
7433
7434 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7435 args[0] = p;
7436 execvp(p, (char* const*) args);
7437 /* We do not fail if the editor doesn't exist
7438 * because we want to try each one of them before
7439 * failing.
7440 */
7441 if (errno != ENOENT) {
7442 log_error_errno(errno, "Failed to execute %s: %m", editor);
7443 _exit(EXIT_FAILURE);
7444 }
7445 }
7446
7447 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7448 _exit(EXIT_FAILURE);
7449 }
7450
7451 return 0;
7452 }
7453
7454 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7455 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7456 char **name;
7457 int r;
7458
7459 assert(names);
7460 assert(paths);
7461
7462 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7463 if (r < 0)
7464 return r;
7465
7466 STRV_FOREACH(name, names) {
7467 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7468 const char *unit_name;
7469
7470 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7471 if (r == -EKEYREJECTED) {
7472 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7473 * file path. In that case, find the file client side. */
7474 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7475 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7476 }
7477 if (r == -ERFKILL)
7478 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7479 if (r < 0)
7480 return r;
7481
7482 if (r == 0) {
7483 assert(!path);
7484
7485 if (!arg_force) {
7486 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7487 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7488 arg_scope == UNIT_FILE_USER ? " --user" : "",
7489 *name);
7490 return -ENOENT;
7491 }
7492
7493 /* Create a new unit from scratch */
7494 unit_name = *name;
7495 r = unit_file_create_new(&lp, unit_name,
7496 arg_full ? NULL : ".d/override.conf",
7497 &new_path, &tmp_path);
7498 } else {
7499 assert(path);
7500
7501 unit_name = basename(path);
7502 /* We follow unit aliases, but we need to propagate the instance */
7503 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7504 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7505 _cleanup_free_ char *instance = NULL;
7506
7507 r = unit_name_to_instance(*name, &instance);
7508 if (r < 0)
7509 return r;
7510
7511 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7512 if (r < 0)
7513 return r;
7514
7515 unit_name = tmp_name;
7516 }
7517
7518 if (arg_full)
7519 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7520 else
7521 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7522 }
7523 if (r < 0)
7524 return r;
7525
7526 r = strv_push_pair(paths, new_path, tmp_path);
7527 if (r < 0)
7528 return log_oom();
7529
7530 new_path = tmp_path = NULL;
7531 }
7532
7533 return 0;
7534 }
7535
7536 static int edit(int argc, char *argv[], void *userdata) {
7537 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7538 _cleanup_strv_free_ char **names = NULL;
7539 _cleanup_strv_free_ char **paths = NULL;
7540 char **original, **tmp;
7541 sd_bus *bus;
7542 int r;
7543
7544 if (!on_tty())
7545 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7546
7547 if (arg_transport != BUS_TRANSPORT_LOCAL)
7548 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7549
7550 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7551 if (r < 0)
7552 return log_error_errno(r, "Failed to determine unit paths: %m");
7553
7554 r = acquire_bus(BUS_MANAGER, &bus);
7555 if (r < 0)
7556 return r;
7557
7558 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7559 if (r < 0)
7560 return log_error_errno(r, "Failed to expand names: %m");
7561
7562 STRV_FOREACH(tmp, names) {
7563 r = unit_is_masked(bus, &lp, *tmp);
7564 if (r < 0)
7565 return r;
7566 if (r > 0)
7567 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7568 }
7569
7570 r = find_paths_to_edit(bus, names, &paths);
7571 if (r < 0)
7572 return r;
7573
7574 if (strv_isempty(paths))
7575 return -ENOENT;
7576
7577 r = run_editor(paths);
7578 if (r < 0)
7579 goto end;
7580
7581 STRV_FOREACH_PAIR(original, tmp, paths) {
7582 /* If the temporary file is empty we ignore it.
7583 * This allows the user to cancel the modification.
7584 */
7585 if (null_or_empty_path(*tmp)) {
7586 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7587 continue;
7588 }
7589
7590 r = rename(*tmp, *original);
7591 if (r < 0) {
7592 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7593 goto end;
7594 }
7595 }
7596
7597 r = 0;
7598
7599 if (!arg_no_reload && !install_client_side())
7600 r = daemon_reload(argc, argv, userdata);
7601
7602 end:
7603 STRV_FOREACH_PAIR(original, tmp, paths) {
7604 (void) unlink(*tmp);
7605
7606 /* Removing empty dropin dirs */
7607 if (!arg_full) {
7608 _cleanup_free_ char *dir;
7609
7610 dir = dirname_malloc(*original);
7611 if (!dir)
7612 return log_oom();
7613
7614 /* no need to check if the dir is empty, rmdir
7615 * does nothing if it is not the case.
7616 */
7617 (void) rmdir(dir);
7618 }
7619 }
7620
7621 return r;
7622 }
7623
7624 static int systemctl_help(void) {
7625 _cleanup_free_ char *link = NULL;
7626 int r;
7627
7628 (void) pager_open(arg_pager_flags);
7629
7630 r = terminal_urlify_man("systemctl", "1", &link);
7631 if (r < 0)
7632 return log_oom();
7633
7634 printf("%1$s [OPTIONS...] {COMMAND} ...\n\n"
7635 "Query or send control commands to the systemd manager.\n\n"
7636 " -h --help Show this help\n"
7637 " --version Show package version\n"
7638 " --system Connect to system manager\n"
7639 " --user Connect to user service manager\n"
7640 " -H --host=[USER@]HOST\n"
7641 " Operate on remote host\n"
7642 " -M --machine=CONTAINER\n"
7643 " Operate on local container\n"
7644 " -t --type=TYPE List units of a particular type\n"
7645 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7646 " --failed Shorcut for --state=failed\n"
7647 " -p --property=NAME Show only properties by this name\n"
7648 " -a --all Show all properties/all units currently in memory,\n"
7649 " including dead/empty ones. To list all units installed on\n"
7650 " the system, use the 'list-unit-files' command instead.\n"
7651 " -l --full Don't ellipsize unit names on output\n"
7652 " -r --recursive Show unit list of host and local containers\n"
7653 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7654 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7655 " queueing a new job\n"
7656 " -T --show-transaction\n"
7657 " When enqueuing a unit job, show full transaction\n"
7658 " --show-types When showing sockets, explicitly show their type\n"
7659 " --value When showing properties, only print the value\n"
7660 " -i --ignore-inhibitors\n"
7661 " When shutting down or sleeping, ignore inhibitors\n"
7662 " --kill-who=WHO Who to send signal to\n"
7663 " -s --signal=SIGNAL Which signal to send\n"
7664 " --what=RESOURCES Which types of resources to remove\n"
7665 " --now Start or stop unit in addition to enabling or disabling it\n"
7666 " --dry-run Only print what would be done\n"
7667 " -q --quiet Suppress output\n"
7668 " --wait For (re)start, wait until service stopped again\n"
7669 " For is-system-running, wait until startup is completed\n"
7670 " --no-block Do not wait until operation finished\n"
7671 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7672 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7673 " --no-legend Do not print a legend (column headers and hints)\n"
7674 " --no-pager Do not pipe output into a pager\n"
7675 " --no-ask-password\n"
7676 " Do not ask for system passwords\n"
7677 " --global Enable/disable/mask unit files globally\n"
7678 " --runtime Enable/disable/mask unit files temporarily until next\n"
7679 " reboot\n"
7680 " -f --force When enabling unit files, override existing symlinks\n"
7681 " When shutting down, execute action immediately\n"
7682 " --preset-mode= Apply only enable, only disable, or all presets\n"
7683 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7684 " directory\n"
7685 " -n --lines=INTEGER Number of journal entries to show\n"
7686 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7687 " short-iso, short-iso-precise, short-full,\n"
7688 " short-monotonic, short-unix,\n"
7689 " verbose, export, json, json-pretty, json-sse, cat)\n"
7690 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7691 " --boot-loader-menu=TIME\n"
7692 " Boot into boot loader menu on next boot\n"
7693 " --boot-loader-entry=NAME\n"
7694 " Boot into a specific boot loader entry on next boot\n"
7695 " --plain Print unit dependencies as a list instead of a tree\n\n"
7696 "%3$sUnit Commands:%4$s\n"
7697 " list-units [PATTERN...] List units currently in memory\n"
7698 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7699 " ordered by address\n"
7700 " list-timers [PATTERN...] List timer units currently in memory,\n"
7701 " ordered by next elapse\n"
7702 " start UNIT... Start (activate) one or more units\n"
7703 " stop UNIT... Stop (deactivate) one or more units\n"
7704 " reload UNIT... Reload one or more units\n"
7705 " restart UNIT... Start or restart one or more units\n"
7706 " try-restart UNIT... Restart one or more units if active\n"
7707 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7708 " otherwise start or restart\n"
7709 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7710 " if supported, otherwise restart\n"
7711 " isolate UNIT Start one unit and stop all others\n"
7712 " kill UNIT... Send signal to processes of a unit\n"
7713 " clean UNIT... Clean runtime, cache, state, logs or\n"
7714 " or configuration of unit\n"
7715 " is-active PATTERN... Check whether units are active\n"
7716 " is-failed PATTERN... Check whether units are failed\n"
7717 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7718 " show [PATTERN...|JOB...] Show properties of one or more\n"
7719 " units/jobs or the manager\n"
7720 " cat PATTERN... Show files and drop-ins of specified units\n"
7721 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7722 " help PATTERN...|PID... Show manual for one or more units\n"
7723 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7724 " units\n"
7725 " list-dependencies [UNIT] Recursively show units which are required\n"
7726 " or wanted by this unit or by which this\n"
7727 " unit is required or wanted\n\n"
7728 "%3$sUnit File Commands:%4$s\n"
7729 " list-unit-files [PATTERN...] List installed unit files\n"
7730 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7731 " disable UNIT... Disable one or more unit files\n"
7732 " reenable UNIT... Reenable one or more unit files\n"
7733 " preset UNIT... Enable/disable one or more unit files\n"
7734 " based on preset configuration\n"
7735 " preset-all Enable/disable all unit files based on\n"
7736 " preset configuration\n"
7737 " is-enabled UNIT... Check whether unit files are enabled\n"
7738 " mask UNIT... Mask one or more units\n"
7739 " unmask UNIT... Unmask one or more units\n"
7740 " link PATH... Link one or more units files into\n"
7741 " the search path\n"
7742 " revert UNIT... Revert one or more unit files to vendor\n"
7743 " version\n"
7744 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7745 " on specified one or more units\n"
7746 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7747 " on specified one or more units\n"
7748 " edit UNIT... Edit one or more unit files\n"
7749 " get-default Get the name of the default target\n"
7750 " set-default TARGET Set the default target\n\n"
7751 "%3$sMachine Commands:%4$s\n"
7752 " list-machines [PATTERN...] List local containers and host\n\n"
7753 "%3$sJob Commands:%4$s\n"
7754 " list-jobs [PATTERN...] List jobs\n"
7755 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7756 "%3$sEnvironment Commands:%4$s\n"
7757 " show-environment Dump environment\n"
7758 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7759 " unset-environment VARIABLE... Unset one or more environment variables\n"
7760 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7761 "%3$sManager Lifecycle Commands:%4$s\n"
7762 " daemon-reload Reload systemd manager configuration\n"
7763 " daemon-reexec Reexecute systemd manager\n\n"
7764 "%3$sSystem Commands:%4$s\n"
7765 " is-system-running Check whether system is fully running\n"
7766 " default Enter system default mode\n"
7767 " rescue Enter system rescue mode\n"
7768 " emergency Enter system emergency mode\n"
7769 " halt Shut down and halt the system\n"
7770 " poweroff Shut down and power-off the system\n"
7771 " reboot [ARG] Shut down and reboot the system\n"
7772 " kexec Shut down and reboot the system with kexec\n"
7773 " exit [EXIT_CODE] Request user instance or container exit\n"
7774 " switch-root ROOT [INIT] Change to a different root file system\n"
7775 " suspend Suspend the system\n"
7776 " hibernate Hibernate the system\n"
7777 " hybrid-sleep Hibernate and suspend the system\n"
7778 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7779 " time and put it into hibernate\n"
7780 "\nSee the %2$s for details.\n"
7781 , program_invocation_short_name
7782 , link
7783 , ansi_underline(), ansi_normal()
7784 );
7785
7786 return 0;
7787 }
7788
7789 static int halt_help(void) {
7790 _cleanup_free_ char *link = NULL;
7791 int r;
7792
7793 r = terminal_urlify_man("halt", "8", &link);
7794 if (r < 0)
7795 return log_oom();
7796
7797 printf("%s [OPTIONS...]%s\n\n"
7798 "%s the system.\n\n"
7799 " --help Show this help\n"
7800 " --halt Halt the machine\n"
7801 " -p --poweroff Switch off the machine\n"
7802 " --reboot Reboot the machine\n"
7803 " -f --force Force immediate halt/power-off/reboot\n"
7804 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7805 " -d --no-wtmp Don't write wtmp record\n"
7806 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7807 "\nSee the %s for details.\n"
7808 , program_invocation_short_name
7809 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7810 arg_action == ACTION_REBOOT ? "Reboot" :
7811 arg_action == ACTION_POWEROFF ? "Power off" :
7812 "Halt"
7813 , link
7814 );
7815
7816 return 0;
7817 }
7818
7819 static int shutdown_help(void) {
7820 _cleanup_free_ char *link = NULL;
7821 int r;
7822
7823 r = terminal_urlify_man("shutdown", "8", &link);
7824 if (r < 0)
7825 return log_oom();
7826
7827 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7828 "Shut down the system.\n\n"
7829 " --help Show this help\n"
7830 " -H --halt Halt the machine\n"
7831 " -P --poweroff Power-off the machine\n"
7832 " -r --reboot Reboot the machine\n"
7833 " -h Equivalent to --poweroff, overridden by --halt\n"
7834 " -k Don't halt/power-off/reboot, just send warnings\n"
7835 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7836 " -c Cancel a pending shutdown\n"
7837 "\nSee the %s for details.\n"
7838 , program_invocation_short_name
7839 , link
7840 );
7841
7842 return 0;
7843 }
7844
7845 static int telinit_help(void) {
7846 _cleanup_free_ char *link = NULL;
7847 int r;
7848
7849 r = terminal_urlify_man("telinit", "8", &link);
7850 if (r < 0)
7851 return log_oom();
7852
7853 printf("%s [OPTIONS...] {COMMAND}\n\n"
7854 "Send control commands to the init daemon.\n\n"
7855 " --help Show this help\n"
7856 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7857 "Commands:\n"
7858 " 0 Power-off the machine\n"
7859 " 6 Reboot the machine\n"
7860 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7861 " 1, s, S Enter rescue mode\n"
7862 " q, Q Reload init daemon configuration\n"
7863 " u, U Reexecute init daemon\n"
7864 "\nSee the %s for details.\n"
7865 , program_invocation_short_name
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\n"
7881 "Prints the previous and current runlevel of the init system.\n\n"
7882 " --help Show this help\n"
7883 "\nSee the %s for details.\n"
7884 , program_invocation_short_name
7885 , link
7886 );
7887
7888 return 0;
7889 }
7890
7891 static void help_types(void) {
7892 if (!arg_no_legend)
7893 puts("Available unit types:");
7894
7895 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7896 }
7897
7898 static void help_states(void) {
7899 if (!arg_no_legend)
7900 puts("Available unit load states:");
7901 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7902
7903 if (!arg_no_legend)
7904 puts("\nAvailable unit active states:");
7905 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7906
7907 if (!arg_no_legend)
7908 puts("\nAvailable unit file states:");
7909 DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX);
7910
7911 if (!arg_no_legend)
7912 puts("\nAvailable automount unit substates:");
7913 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7914
7915 if (!arg_no_legend)
7916 puts("\nAvailable device unit substates:");
7917 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7918
7919 if (!arg_no_legend)
7920 puts("\nAvailable mount unit substates:");
7921 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7922
7923 if (!arg_no_legend)
7924 puts("\nAvailable path unit substates:");
7925 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7926
7927 if (!arg_no_legend)
7928 puts("\nAvailable scope unit substates:");
7929 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7930
7931 if (!arg_no_legend)
7932 puts("\nAvailable service unit substates:");
7933 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7934
7935 if (!arg_no_legend)
7936 puts("\nAvailable slice unit substates:");
7937 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7938
7939 if (!arg_no_legend)
7940 puts("\nAvailable socket unit substates:");
7941 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7942
7943 if (!arg_no_legend)
7944 puts("\nAvailable swap unit substates:");
7945 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7946
7947 if (!arg_no_legend)
7948 puts("\nAvailable target unit substates:");
7949 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7950
7951 if (!arg_no_legend)
7952 puts("\nAvailable timer unit substates:");
7953 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7954 }
7955
7956 static int help_boot_loader_entry(void) {
7957 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7958 _cleanup_free_ char **l = NULL;
7959 sd_bus *bus;
7960 char **i;
7961 int r;
7962
7963 r = acquire_bus(BUS_FULL, &bus);
7964 if (r < 0)
7965 return r;
7966
7967 r = sd_bus_get_property_strv(
7968 bus,
7969 "org.freedesktop.login1",
7970 "/org/freedesktop/login1",
7971 "org.freedesktop.login1.Manager",
7972 "BootLoaderEntries",
7973 &error,
7974 &l);
7975 if (r < 0)
7976 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
7977
7978 if (strv_isempty(l))
7979 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
7980
7981 STRV_FOREACH(i, l)
7982 puts(*i);
7983
7984 return 0;
7985 }
7986
7987 static int systemctl_parse_argv(int argc, char *argv[]) {
7988 enum {
7989 ARG_FAIL = 0x100,
7990 ARG_REVERSE,
7991 ARG_AFTER,
7992 ARG_BEFORE,
7993 ARG_DRY_RUN,
7994 ARG_SHOW_TYPES,
7995 ARG_IRREVERSIBLE,
7996 ARG_IGNORE_DEPENDENCIES,
7997 ARG_VALUE,
7998 ARG_VERSION,
7999 ARG_USER,
8000 ARG_SYSTEM,
8001 ARG_GLOBAL,
8002 ARG_NO_BLOCK,
8003 ARG_NO_LEGEND,
8004 ARG_NO_PAGER,
8005 ARG_NO_WALL,
8006 ARG_ROOT,
8007 ARG_NO_RELOAD,
8008 ARG_KILL_WHO,
8009 ARG_NO_ASK_PASSWORD,
8010 ARG_FAILED,
8011 ARG_RUNTIME,
8012 ARG_PLAIN,
8013 ARG_STATE,
8014 ARG_JOB_MODE,
8015 ARG_PRESET_MODE,
8016 ARG_FIRMWARE_SETUP,
8017 ARG_BOOT_LOADER_MENU,
8018 ARG_BOOT_LOADER_ENTRY,
8019 ARG_NOW,
8020 ARG_MESSAGE,
8021 ARG_WAIT,
8022 ARG_WHAT,
8023 };
8024
8025 static const struct option options[] = {
8026 { "help", no_argument, NULL, 'h' },
8027 { "version", no_argument, NULL, ARG_VERSION },
8028 { "type", required_argument, NULL, 't' },
8029 { "property", required_argument, NULL, 'p' },
8030 { "all", no_argument, NULL, 'a' },
8031 { "reverse", no_argument, NULL, ARG_REVERSE },
8032 { "after", no_argument, NULL, ARG_AFTER },
8033 { "before", no_argument, NULL, ARG_BEFORE },
8034 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8035 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8036 { "full", no_argument, NULL, 'l' },
8037 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8038 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8039 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8040 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8041 { "ignore-inhibitors", no_argument, NULL, 'i' },
8042 { "value", no_argument, NULL, ARG_VALUE },
8043 { "user", no_argument, NULL, ARG_USER },
8044 { "system", no_argument, NULL, ARG_SYSTEM },
8045 { "global", no_argument, NULL, ARG_GLOBAL },
8046 { "wait", no_argument, NULL, ARG_WAIT },
8047 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8048 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8049 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8050 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8051 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8052 { "quiet", no_argument, NULL, 'q' },
8053 { "root", required_argument, NULL, ARG_ROOT },
8054 { "force", no_argument, NULL, 'f' },
8055 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8056 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8057 { "signal", required_argument, NULL, 's' },
8058 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8059 { "host", required_argument, NULL, 'H' },
8060 { "machine", required_argument, NULL, 'M' },
8061 { "runtime", no_argument, NULL, ARG_RUNTIME },
8062 { "lines", required_argument, NULL, 'n' },
8063 { "output", required_argument, NULL, 'o' },
8064 { "plain", no_argument, NULL, ARG_PLAIN },
8065 { "state", required_argument, NULL, ARG_STATE },
8066 { "recursive", no_argument, NULL, 'r' },
8067 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8068 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8069 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8070 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8071 { "now", no_argument, NULL, ARG_NOW },
8072 { "message", required_argument, NULL, ARG_MESSAGE },
8073 { "show-transaction", no_argument, NULL, 'T' },
8074 { "what", required_argument, NULL, ARG_WHAT },
8075 {}
8076 };
8077
8078 int c, r;
8079
8080 assert(argc >= 0);
8081 assert(argv);
8082
8083 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8084 arg_ask_password = true;
8085
8086 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8087
8088 switch (c) {
8089
8090 case 'h':
8091 return systemctl_help();
8092
8093 case ARG_VERSION:
8094 return version();
8095
8096 case 't': {
8097 const char *p;
8098
8099 if (isempty(optarg))
8100 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8101 "--type= requires arguments.");
8102
8103 for (p = optarg;;) {
8104 _cleanup_free_ char *type = NULL;
8105
8106 r = extract_first_word(&p, &type, ",", 0);
8107 if (r < 0)
8108 return log_error_errno(r, "Failed to parse type: %s", optarg);
8109 if (r == 0)
8110 break;
8111
8112 if (streq(type, "help")) {
8113 help_types();
8114 return 0;
8115 }
8116
8117 if (unit_type_from_string(type) >= 0) {
8118 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8119 return log_oom();
8120 continue;
8121 }
8122
8123 /* It's much nicer to use --state= for
8124 * load states, but let's support this
8125 * in --types= too for compatibility
8126 * with old versions */
8127 if (unit_load_state_from_string(type) >= 0) {
8128 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8129 return log_oom();
8130 continue;
8131 }
8132
8133 log_error("Unknown unit type or load state '%s'.", type);
8134 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8135 "Use -t help to see a list of allowed values.");
8136 }
8137
8138 break;
8139 }
8140
8141 case 'p':
8142 /* Make sure that if the empty property list was specified, we won't show any
8143 properties. */
8144 if (isempty(optarg) && !arg_properties) {
8145 arg_properties = new0(char*, 1);
8146 if (!arg_properties)
8147 return log_oom();
8148 } else {
8149 const char *p;
8150
8151 for (p = optarg;;) {
8152 _cleanup_free_ char *prop = NULL;
8153
8154 r = extract_first_word(&p, &prop, ",", 0);
8155 if (r < 0)
8156 return log_error_errno(r, "Failed to parse property: %s", optarg);
8157 if (r == 0)
8158 break;
8159
8160 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8161 return log_oom();
8162 }
8163 }
8164
8165 /* If the user asked for a particular
8166 * property, show it to him, even if it is
8167 * empty. */
8168 arg_all = true;
8169
8170 break;
8171
8172 case 'a':
8173 arg_all = true;
8174 break;
8175
8176 case ARG_REVERSE:
8177 arg_dependency = DEPENDENCY_REVERSE;
8178 break;
8179
8180 case ARG_AFTER:
8181 arg_dependency = DEPENDENCY_AFTER;
8182 arg_jobs_after = true;
8183 break;
8184
8185 case ARG_BEFORE:
8186 arg_dependency = DEPENDENCY_BEFORE;
8187 arg_jobs_before = true;
8188 break;
8189
8190 case ARG_SHOW_TYPES:
8191 arg_show_types = true;
8192 break;
8193
8194 case ARG_VALUE:
8195 arg_value = true;
8196 break;
8197
8198 case ARG_JOB_MODE:
8199 arg_job_mode = optarg;
8200 break;
8201
8202 case ARG_FAIL:
8203 arg_job_mode = "fail";
8204 break;
8205
8206 case ARG_IRREVERSIBLE:
8207 arg_job_mode = "replace-irreversibly";
8208 break;
8209
8210 case ARG_IGNORE_DEPENDENCIES:
8211 arg_job_mode = "ignore-dependencies";
8212 break;
8213
8214 case ARG_USER:
8215 arg_scope = UNIT_FILE_USER;
8216 break;
8217
8218 case ARG_SYSTEM:
8219 arg_scope = UNIT_FILE_SYSTEM;
8220 break;
8221
8222 case ARG_GLOBAL:
8223 arg_scope = UNIT_FILE_GLOBAL;
8224 break;
8225
8226 case ARG_WAIT:
8227 arg_wait = true;
8228 break;
8229
8230 case ARG_NO_BLOCK:
8231 arg_no_block = true;
8232 break;
8233
8234 case ARG_NO_LEGEND:
8235 arg_no_legend = true;
8236 break;
8237
8238 case ARG_NO_PAGER:
8239 arg_pager_flags |= PAGER_DISABLE;
8240 break;
8241
8242 case ARG_NO_WALL:
8243 arg_no_wall = true;
8244 break;
8245
8246 case ARG_ROOT:
8247 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8248 if (r < 0)
8249 return r;
8250 break;
8251
8252 case 'l':
8253 arg_full = true;
8254 break;
8255
8256 case ARG_FAILED:
8257 if (strv_extend(&arg_states, "failed") < 0)
8258 return log_oom();
8259
8260 break;
8261
8262 case ARG_DRY_RUN:
8263 arg_dry_run = true;
8264 break;
8265
8266 case 'q':
8267 arg_quiet = true;
8268 break;
8269
8270 case 'f':
8271 arg_force++;
8272 break;
8273
8274 case ARG_NO_RELOAD:
8275 arg_no_reload = true;
8276 break;
8277
8278 case ARG_KILL_WHO:
8279 arg_kill_who = optarg;
8280 break;
8281
8282 case 's':
8283 if (streq(optarg, "help")) {
8284 DUMP_STRING_TABLE(signal, int, _NSIG);
8285 return 0;
8286 }
8287
8288 arg_signal = signal_from_string(optarg);
8289 if (arg_signal < 0)
8290 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8291 "Failed to parse signal string %s.",
8292 optarg);
8293 break;
8294
8295 case ARG_NO_ASK_PASSWORD:
8296 arg_ask_password = false;
8297 break;
8298
8299 case 'H':
8300 arg_transport = BUS_TRANSPORT_REMOTE;
8301 arg_host = optarg;
8302 break;
8303
8304 case 'M':
8305 arg_transport = BUS_TRANSPORT_MACHINE;
8306 arg_host = optarg;
8307 break;
8308
8309 case ARG_RUNTIME:
8310 arg_runtime = true;
8311 break;
8312
8313 case 'n':
8314 if (safe_atou(optarg, &arg_lines) < 0)
8315 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8316 "Failed to parse lines '%s'",
8317 optarg);
8318 break;
8319
8320 case 'o':
8321 if (streq(optarg, "help")) {
8322 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8323 return 0;
8324 }
8325
8326 arg_output = output_mode_from_string(optarg);
8327 if (arg_output < 0)
8328 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8329 "Unknown output '%s'.",
8330 optarg);
8331 break;
8332
8333 case 'i':
8334 arg_ignore_inhibitors = true;
8335 break;
8336
8337 case ARG_PLAIN:
8338 arg_plain = true;
8339 break;
8340
8341 case ARG_FIRMWARE_SETUP:
8342 arg_firmware_setup = true;
8343 break;
8344
8345 case ARG_BOOT_LOADER_MENU:
8346
8347 r = parse_sec(optarg, &arg_boot_loader_menu);
8348 if (r < 0)
8349 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8350
8351 break;
8352
8353 case ARG_BOOT_LOADER_ENTRY:
8354
8355 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8356 r = help_boot_loader_entry();
8357 if (r < 0)
8358 return r;
8359
8360 return 0;
8361 }
8362
8363 arg_boot_loader_entry = empty_to_null(optarg);
8364 break;
8365
8366 case ARG_STATE: {
8367 const char *p;
8368
8369 if (isempty(optarg))
8370 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8371 "--state= requires arguments.");
8372
8373 for (p = optarg;;) {
8374 _cleanup_free_ char *s = NULL;
8375
8376 r = extract_first_word(&p, &s, ",", 0);
8377 if (r < 0)
8378 return log_error_errno(r, "Failed to parse state: %s", optarg);
8379 if (r == 0)
8380 break;
8381
8382 if (streq(s, "help")) {
8383 help_states();
8384 return 0;
8385 }
8386
8387 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8388 return log_oom();
8389 }
8390 break;
8391 }
8392
8393 case 'r':
8394 if (geteuid() != 0)
8395 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8396 "--recursive requires root privileges.");
8397
8398 arg_recursive = true;
8399 break;
8400
8401 case ARG_PRESET_MODE:
8402 if (streq(optarg, "help")) {
8403 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8404 return 0;
8405 }
8406
8407 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8408 if (arg_preset_mode < 0)
8409 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8410 "Failed to parse preset mode: %s.", optarg);
8411
8412 break;
8413
8414 case ARG_NOW:
8415 arg_now = true;
8416 break;
8417
8418 case ARG_MESSAGE:
8419 if (strv_extend(&arg_wall, optarg) < 0)
8420 return log_oom();
8421 break;
8422
8423 case 'T':
8424 arg_show_transaction = true;
8425 break;
8426
8427 case ARG_WHAT: {
8428 const char *p;
8429
8430 if (isempty(optarg))
8431 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8432
8433 for (p = optarg;;) {
8434 _cleanup_free_ char *k = NULL;
8435
8436 r = extract_first_word(&p, &k, ",", 0);
8437 if (r < 0)
8438 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8439 if (r == 0)
8440 break;
8441
8442 if (streq(k, "help")) {
8443 puts("runtime\n"
8444 "state\n"
8445 "cache\n"
8446 "logs\n"
8447 "configuration");
8448 return 0;
8449 }
8450
8451 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8452 if (r < 0)
8453 return log_oom();
8454 }
8455
8456 break;
8457 }
8458
8459 case '.':
8460 /* Output an error mimicking getopt, and print a hint afterwards */
8461 log_error("%s: invalid option -- '.'", program_invocation_name);
8462 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8463 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8464 program_invocation_name, optarg ?: "mount");
8465 _fallthrough_;
8466
8467 case '?':
8468 return -EINVAL;
8469
8470 default:
8471 assert_not_reached("Unhandled option");
8472 }
8473
8474 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8475 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8476 "Cannot access user instance remotely.");
8477
8478 if (arg_wait && arg_no_block)
8479 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8480 "--wait may not be combined with --no-block.");
8481
8482 return 1;
8483 }
8484
8485 static int halt_parse_argv(int argc, char *argv[]) {
8486 enum {
8487 ARG_HELP = 0x100,
8488 ARG_HALT,
8489 ARG_REBOOT,
8490 ARG_NO_WALL
8491 };
8492
8493 static const struct option options[] = {
8494 { "help", no_argument, NULL, ARG_HELP },
8495 { "halt", no_argument, NULL, ARG_HALT },
8496 { "poweroff", no_argument, NULL, 'p' },
8497 { "reboot", no_argument, NULL, ARG_REBOOT },
8498 { "force", no_argument, NULL, 'f' },
8499 { "wtmp-only", no_argument, NULL, 'w' },
8500 { "no-wtmp", no_argument, NULL, 'd' },
8501 { "no-sync", no_argument, NULL, 'n' },
8502 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8503 {}
8504 };
8505
8506 int c, r, runlevel;
8507
8508 assert(argc >= 0);
8509 assert(argv);
8510
8511 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8512 if (IN_SET(runlevel, '0', '6'))
8513 arg_force = 2;
8514
8515 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8516 switch (c) {
8517
8518 case ARG_HELP:
8519 return halt_help();
8520
8521 case ARG_HALT:
8522 arg_action = ACTION_HALT;
8523 break;
8524
8525 case 'p':
8526 if (arg_action != ACTION_REBOOT)
8527 arg_action = ACTION_POWEROFF;
8528 break;
8529
8530 case ARG_REBOOT:
8531 arg_action = ACTION_REBOOT;
8532 break;
8533
8534 case 'f':
8535 arg_force = 2;
8536 break;
8537
8538 case 'w':
8539 arg_dry_run = true;
8540 break;
8541
8542 case 'd':
8543 arg_no_wtmp = true;
8544 break;
8545
8546 case 'n':
8547 arg_no_sync = true;
8548 break;
8549
8550 case ARG_NO_WALL:
8551 arg_no_wall = true;
8552 break;
8553
8554 case 'i':
8555 case 'h':
8556 /* Compatibility nops */
8557 break;
8558
8559 case '?':
8560 return -EINVAL;
8561
8562 default:
8563 assert_not_reached("Unhandled option");
8564 }
8565
8566 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8567 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8568 if (r < 0)
8569 return r;
8570 } else if (optind < argc)
8571 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8572 "Too many arguments.");
8573
8574 return 1;
8575 }
8576
8577 static int shutdown_parse_argv(int argc, char *argv[]) {
8578 enum {
8579 ARG_HELP = 0x100,
8580 ARG_NO_WALL
8581 };
8582
8583 static const struct option options[] = {
8584 { "help", no_argument, NULL, ARG_HELP },
8585 { "halt", no_argument, NULL, 'H' },
8586 { "poweroff", no_argument, NULL, 'P' },
8587 { "reboot", no_argument, NULL, 'r' },
8588 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8589 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8590 {}
8591 };
8592
8593 char **wall = NULL;
8594 int c, r;
8595
8596 assert(argc >= 0);
8597 assert(argv);
8598
8599 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8600 switch (c) {
8601
8602 case ARG_HELP:
8603 return shutdown_help();
8604
8605 case 'H':
8606 arg_action = ACTION_HALT;
8607 break;
8608
8609 case 'P':
8610 arg_action = ACTION_POWEROFF;
8611 break;
8612
8613 case 'r':
8614 if (kexec_loaded())
8615 arg_action = ACTION_KEXEC;
8616 else
8617 arg_action = ACTION_REBOOT;
8618 break;
8619
8620 case 'K':
8621 arg_action = ACTION_KEXEC;
8622 break;
8623
8624 case 'h':
8625 if (arg_action != ACTION_HALT)
8626 arg_action = ACTION_POWEROFF;
8627 break;
8628
8629 case 'k':
8630 arg_dry_run = true;
8631 break;
8632
8633 case ARG_NO_WALL:
8634 arg_no_wall = true;
8635 break;
8636
8637 case 'a':
8638 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8639 case 'f':
8640 case 'F':
8641 /* Compatibility nops */
8642 break;
8643
8644 case 'c':
8645 arg_action = ACTION_CANCEL_SHUTDOWN;
8646 break;
8647
8648 case '?':
8649 return -EINVAL;
8650
8651 default:
8652 assert_not_reached("Unhandled option");
8653 }
8654
8655 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8656 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8657 if (r < 0) {
8658 log_error("Failed to parse time specification: %s", argv[optind]);
8659 return r;
8660 }
8661 } else
8662 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8663
8664 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8665 /* No time argument for shutdown cancel */
8666 wall = argv + optind;
8667 else if (argc > optind + 1)
8668 /* We skip the time argument */
8669 wall = argv + optind + 1;
8670
8671 if (wall) {
8672 arg_wall = strv_copy(wall);
8673 if (!arg_wall)
8674 return log_oom();
8675 }
8676
8677 optind = argc;
8678
8679 return 1;
8680 }
8681
8682 static int telinit_parse_argv(int argc, char *argv[]) {
8683 enum {
8684 ARG_HELP = 0x100,
8685 ARG_NO_WALL
8686 };
8687
8688 static const struct option options[] = {
8689 { "help", no_argument, NULL, ARG_HELP },
8690 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8691 {}
8692 };
8693
8694 static const struct {
8695 char from;
8696 enum action to;
8697 } table[] = {
8698 { '0', ACTION_POWEROFF },
8699 { '6', ACTION_REBOOT },
8700 { '1', ACTION_RESCUE },
8701 { '2', ACTION_RUNLEVEL2 },
8702 { '3', ACTION_RUNLEVEL3 },
8703 { '4', ACTION_RUNLEVEL4 },
8704 { '5', ACTION_RUNLEVEL5 },
8705 { 's', ACTION_RESCUE },
8706 { 'S', ACTION_RESCUE },
8707 { 'q', ACTION_RELOAD },
8708 { 'Q', ACTION_RELOAD },
8709 { 'u', ACTION_REEXEC },
8710 { 'U', ACTION_REEXEC }
8711 };
8712
8713 unsigned i;
8714 int c;
8715
8716 assert(argc >= 0);
8717 assert(argv);
8718
8719 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8720 switch (c) {
8721
8722 case ARG_HELP:
8723 return telinit_help();
8724
8725 case ARG_NO_WALL:
8726 arg_no_wall = true;
8727 break;
8728
8729 case '?':
8730 return -EINVAL;
8731
8732 default:
8733 assert_not_reached("Unhandled option");
8734 }
8735
8736 if (optind >= argc)
8737 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8738 "%s: required argument missing.",
8739 program_invocation_short_name);
8740
8741 if (optind + 1 < argc)
8742 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8743 "Too many arguments.");
8744
8745 if (strlen(argv[optind]) != 1)
8746 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8747 "Expected single character argument.");
8748
8749 for (i = 0; i < ELEMENTSOF(table); i++)
8750 if (table[i].from == argv[optind][0])
8751 break;
8752
8753 if (i >= ELEMENTSOF(table))
8754 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8755 "Unknown command '%s'.", argv[optind]);
8756
8757 arg_action = table[i].to;
8758
8759 optind++;
8760
8761 return 1;
8762 }
8763
8764 static int runlevel_parse_argv(int argc, char *argv[]) {
8765 enum {
8766 ARG_HELP = 0x100,
8767 };
8768
8769 static const struct option options[] = {
8770 { "help", no_argument, NULL, ARG_HELP },
8771 {}
8772 };
8773
8774 int c;
8775
8776 assert(argc >= 0);
8777 assert(argv);
8778
8779 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8780 switch (c) {
8781
8782 case ARG_HELP:
8783 return runlevel_help();
8784
8785 case '?':
8786 return -EINVAL;
8787
8788 default:
8789 assert_not_reached("Unhandled option");
8790 }
8791
8792 if (optind < argc)
8793 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8794 "Too many arguments.");
8795
8796 return 1;
8797 }
8798
8799 static int parse_argv(int argc, char *argv[]) {
8800 assert(argc >= 0);
8801 assert(argv);
8802
8803 if (program_invocation_short_name) {
8804
8805 if (strstr(program_invocation_short_name, "halt")) {
8806 arg_action = ACTION_HALT;
8807 return halt_parse_argv(argc, argv);
8808
8809 } else if (strstr(program_invocation_short_name, "poweroff")) {
8810 arg_action = ACTION_POWEROFF;
8811 return halt_parse_argv(argc, argv);
8812
8813 } else if (strstr(program_invocation_short_name, "reboot")) {
8814 if (kexec_loaded())
8815 arg_action = ACTION_KEXEC;
8816 else
8817 arg_action = ACTION_REBOOT;
8818 return halt_parse_argv(argc, argv);
8819
8820 } else if (strstr(program_invocation_short_name, "shutdown")) {
8821 arg_action = ACTION_POWEROFF;
8822 return shutdown_parse_argv(argc, argv);
8823
8824 } else if (strstr(program_invocation_short_name, "init")) {
8825
8826 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8827 * 1 on SysV.
8828 *
8829 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8830 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8831 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8832 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8833 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8834 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8835 * quick way to match both.
8836 *
8837 * Also see redirect_telinit() in src/core/main.c. */
8838
8839 if (sd_booted() > 0) {
8840 arg_action = _ACTION_INVALID;
8841 return telinit_parse_argv(argc, argv);
8842 } else {
8843 /* Hmm, so some other init system is running, we need to forward this request to
8844 * it. For now we simply guess that it is Upstart. */
8845
8846 (void) rlimit_nofile_safe();
8847 execv(TELINIT, argv);
8848
8849 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8850 "Couldn't find an alternative telinit implementation to spawn.");
8851 }
8852
8853 } else if (strstr(program_invocation_short_name, "runlevel")) {
8854 arg_action = ACTION_RUNLEVEL;
8855 return runlevel_parse_argv(argc, argv);
8856 }
8857 }
8858
8859 arg_action = ACTION_SYSTEMCTL;
8860 return systemctl_parse_argv(argc, argv);
8861 }
8862
8863 #if HAVE_SYSV_COMPAT
8864 _pure_ static int action_to_runlevel(void) {
8865 static const char table[_ACTION_MAX] = {
8866 [ACTION_HALT] = '0',
8867 [ACTION_POWEROFF] = '0',
8868 [ACTION_REBOOT] = '6',
8869 [ACTION_RUNLEVEL2] = '2',
8870 [ACTION_RUNLEVEL3] = '3',
8871 [ACTION_RUNLEVEL4] = '4',
8872 [ACTION_RUNLEVEL5] = '5',
8873 [ACTION_RESCUE] = '1'
8874 };
8875
8876 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8877 return table[arg_action];
8878 }
8879 #endif
8880
8881 static int systemctl_main(int argc, char *argv[]) {
8882 static const Verb verbs[] = {
8883 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8884 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8885 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8886 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8887 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8888 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8889 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8890 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8891 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8892 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8893 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8894 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8895 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8896 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8897 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8898 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8899 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8900 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8901 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8902 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8903 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8904 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8905 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_unit },
8906 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8907 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8908 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8909 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8910 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8911 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8912 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8913 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8914 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8915 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8916 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8917 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8918 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8919 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8920 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8921 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8922 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8923 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8924 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8925 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8926 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8927 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8928 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8929 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8930 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8931 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8932 { "enable", 2, VERB_ANY, 0, enable_unit },
8933 { "disable", 2, VERB_ANY, 0, enable_unit },
8934 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8935 { "reenable", 2, VERB_ANY, 0, enable_unit },
8936 { "preset", 2, VERB_ANY, 0, enable_unit },
8937 { "preset-all", VERB_ANY, 1, 0, preset_all },
8938 { "mask", 2, VERB_ANY, 0, enable_unit },
8939 { "unmask", 2, VERB_ANY, 0, enable_unit },
8940 { "link", 2, VERB_ANY, 0, enable_unit },
8941 { "revert", 2, VERB_ANY, 0, enable_unit },
8942 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8943 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8944 { "set-default", 2, 2, 0, set_default },
8945 { "get-default", VERB_ANY, 1, 0, get_default },
8946 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8947 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8948 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8949 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8950 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8951 {}
8952 };
8953
8954 return dispatch_verb(argc, argv, verbs, NULL);
8955 }
8956
8957 static int reload_with_fallback(void) {
8958 /* First, try systemd via D-Bus. */
8959 if (daemon_reload(0, NULL, NULL) >= 0)
8960 return 0;
8961
8962 /* Nothing else worked, so let's try signals */
8963 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8964
8965 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8966 return log_error_errno(errno, "kill() failed: %m");
8967
8968 return 0;
8969 }
8970
8971 static int start_with_fallback(void) {
8972 /* First, try systemd via D-Bus. */
8973 if (start_unit(0, NULL, NULL) == 0)
8974 return 0;
8975
8976 #if HAVE_SYSV_COMPAT
8977 /* Nothing else worked, so let's try /dev/initctl */
8978 if (talk_initctl(action_to_runlevel()) > 0)
8979 return 0;
8980 #endif
8981
8982 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8983 "Failed to talk to init daemon.");
8984 }
8985
8986 static int halt_now(enum action a) {
8987 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8988 * synced explicitly in advance. */
8989 if (!arg_no_sync && !arg_dry_run)
8990 (void) sync();
8991
8992 /* Make sure C-A-D is handled by the kernel from this point on... */
8993 if (!arg_dry_run)
8994 (void) reboot(RB_ENABLE_CAD);
8995
8996 switch (a) {
8997
8998 case ACTION_HALT:
8999 if (!arg_quiet)
9000 log_info("Halting.");
9001 if (arg_dry_run)
9002 return 0;
9003 (void) reboot(RB_HALT_SYSTEM);
9004 return -errno;
9005
9006 case ACTION_POWEROFF:
9007 if (!arg_quiet)
9008 log_info("Powering off.");
9009 if (arg_dry_run)
9010 return 0;
9011 (void) reboot(RB_POWER_OFF);
9012 return -errno;
9013
9014 case ACTION_KEXEC:
9015 case ACTION_REBOOT:
9016 return reboot_with_parameter(REBOOT_FALLBACK |
9017 (arg_quiet ? 0 : REBOOT_LOG) |
9018 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9019
9020 default:
9021 assert_not_reached("Unknown action.");
9022 }
9023 }
9024
9025 static int logind_schedule_shutdown(void) {
9026
9027 #if ENABLE_LOGIND
9028 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9029 char date[FORMAT_TIMESTAMP_MAX];
9030 const char *action;
9031 sd_bus *bus;
9032 int r;
9033
9034 r = acquire_bus(BUS_FULL, &bus);
9035 if (r < 0)
9036 return r;
9037
9038 switch (arg_action) {
9039 case ACTION_HALT:
9040 action = "halt";
9041 break;
9042 case ACTION_POWEROFF:
9043 action = "poweroff";
9044 break;
9045 case ACTION_KEXEC:
9046 action = "kexec";
9047 break;
9048 case ACTION_EXIT:
9049 action = "exit";
9050 break;
9051 case ACTION_REBOOT:
9052 default:
9053 action = "reboot";
9054 break;
9055 }
9056
9057 if (arg_dry_run)
9058 action = strjoina("dry-", action);
9059
9060 (void) logind_set_wall_message();
9061
9062 r = sd_bus_call_method(
9063 bus,
9064 "org.freedesktop.login1",
9065 "/org/freedesktop/login1",
9066 "org.freedesktop.login1.Manager",
9067 "ScheduleShutdown",
9068 &error,
9069 NULL,
9070 "st",
9071 action,
9072 arg_when);
9073 if (r < 0)
9074 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9075
9076 if (!arg_quiet)
9077 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9078 return 0;
9079 #else
9080 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9081 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9082 #endif
9083 }
9084
9085 static int halt_main(void) {
9086 int r;
9087
9088 r = logind_check_inhibitors(arg_action);
9089 if (r < 0)
9090 return r;
9091
9092 /* Delayed shutdown requested, and was successful */
9093 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9094 return 0;
9095 /* no delay, or logind failed or is not at all available */
9096
9097 if (geteuid() != 0) {
9098 if (arg_dry_run || arg_force > 0) {
9099 (void) must_be_root();
9100 return -EPERM;
9101 }
9102
9103 /* Try logind if we are a normal user and no special
9104 * mode applies. Maybe polkit allows us to shutdown
9105 * the machine. */
9106 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9107 r = logind_reboot(arg_action);
9108 if (r >= 0)
9109 return r;
9110 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9111 /* requested operation is not
9112 * supported on the local system or
9113 * already in progress */
9114 return r;
9115 /* on all other errors, try low-level operation */
9116 }
9117 }
9118
9119 /* In order to minimize the difference between operation with and
9120 * without logind, we explicitly enable non-blocking mode for this,
9121 * as logind's shutdown operations are always non-blocking. */
9122 arg_no_block = true;
9123
9124 if (!arg_dry_run && !arg_force)
9125 return start_with_fallback();
9126
9127 assert(geteuid() == 0);
9128
9129 if (!arg_no_wtmp) {
9130 if (sd_booted() > 0)
9131 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9132 else {
9133 r = utmp_put_shutdown();
9134 if (r < 0)
9135 log_warning_errno(r, "Failed to write utmp record: %m");
9136 }
9137 }
9138
9139 if (arg_dry_run)
9140 return 0;
9141
9142 r = halt_now(arg_action);
9143 return log_error_errno(r, "Failed to reboot: %m");
9144 }
9145
9146 static int runlevel_main(void) {
9147 int r, runlevel, previous;
9148
9149 r = utmp_get_runlevel(&runlevel, &previous);
9150 if (r < 0) {
9151 puts("unknown");
9152 return r;
9153 }
9154
9155 printf("%c %c\n",
9156 previous <= 0 ? 'N' : previous,
9157 runlevel <= 0 ? 'N' : runlevel);
9158
9159 return 0;
9160 }
9161
9162 static int logind_cancel_shutdown(void) {
9163 #if ENABLE_LOGIND
9164 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9165 sd_bus *bus;
9166 int r;
9167
9168 r = acquire_bus(BUS_FULL, &bus);
9169 if (r < 0)
9170 return r;
9171
9172 (void) logind_set_wall_message();
9173
9174 r = sd_bus_call_method(
9175 bus,
9176 "org.freedesktop.login1",
9177 "/org/freedesktop/login1",
9178 "org.freedesktop.login1.Manager",
9179 "CancelScheduledShutdown",
9180 &error,
9181 NULL, NULL);
9182 if (r < 0)
9183 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9184
9185 return 0;
9186 #else
9187 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9188 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9189 #endif
9190 }
9191
9192 static int run(int argc, char *argv[]) {
9193 int r;
9194
9195 setlocale(LC_ALL, "");
9196 log_parse_environment();
9197 log_open();
9198
9199 /* The journal merging logic potentially needs a lot of fds. */
9200 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9201
9202 sigbus_install();
9203
9204 /* Explicitly not on_tty() to avoid setting cached value.
9205 * This becomes relevant for piping output which might be
9206 * ellipsized. */
9207 original_stdout_is_tty = isatty(STDOUT_FILENO);
9208
9209 r = parse_argv(argc, argv);
9210 if (r <= 0)
9211 goto finish;
9212
9213 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9214 if (!arg_quiet)
9215 log_info("Running in chroot, ignoring request.");
9216 r = 0;
9217 goto finish;
9218 }
9219
9220 /* systemctl_main() will print an error message for the bus
9221 * connection, but only if it needs to */
9222
9223 switch (arg_action) {
9224
9225 case ACTION_SYSTEMCTL:
9226 r = systemctl_main(argc, argv);
9227 break;
9228
9229 /* Legacy command aliases set arg_action. They provide some fallbacks,
9230 * e.g. to tell sysvinit to reboot after you have installed systemd
9231 * binaries. */
9232
9233 case ACTION_HALT:
9234 case ACTION_POWEROFF:
9235 case ACTION_REBOOT:
9236 case ACTION_KEXEC:
9237 r = halt_main();
9238 break;
9239
9240 case ACTION_RUNLEVEL2:
9241 case ACTION_RUNLEVEL3:
9242 case ACTION_RUNLEVEL4:
9243 case ACTION_RUNLEVEL5:
9244 case ACTION_RESCUE:
9245 r = start_with_fallback();
9246 break;
9247
9248 case ACTION_RELOAD:
9249 case ACTION_REEXEC:
9250 r = reload_with_fallback();
9251 break;
9252
9253 case ACTION_CANCEL_SHUTDOWN:
9254 r = logind_cancel_shutdown();
9255 break;
9256
9257 case ACTION_RUNLEVEL:
9258 r = runlevel_main();
9259 break;
9260
9261 case ACTION_EXIT:
9262 case ACTION_SUSPEND:
9263 case ACTION_HIBERNATE:
9264 case ACTION_HYBRID_SLEEP:
9265 case ACTION_SUSPEND_THEN_HIBERNATE:
9266 case ACTION_EMERGENCY:
9267 case ACTION_DEFAULT:
9268 /* systemctl verbs with no equivalent in the legacy commands.
9269 * These cannot appear in arg_action. Fall through. */
9270
9271 case _ACTION_INVALID:
9272 default:
9273 assert_not_reached("Unknown action");
9274 }
9275
9276 finish:
9277 release_busses();
9278
9279 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9280 return r;
9281 }
9282
9283 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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