]> git.ipfire.org Git - thirdparty/systemd.git/blob - src/systemctl/systemctl.c
projects / thirdparty / systemd.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge pull request #13038 from poettering/pam-fixes
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/mount.h>
12 #include <sys/prctl.h>
13 #include <sys/reboot.h>
14 #include <sys/socket.h>
15 #include <unistd.h>
16
17 #include "sd-bus.h"
18 #include "sd-daemon.h"
19 #include "sd-event.h"
20 #include "sd-login.h"
21
22 #include "alloc-util.h"
23 #include "bootspec.h"
24 #include "bus-common-errors.h"
25 #include "bus-error.h"
26 #include "bus-message.h"
27 #include "bus-unit-procs.h"
28 #include "bus-unit-util.h"
29 #include "bus-util.h"
30 #include "bus-wait-for-jobs.h"
31 #include "bus-wait-for-units.h"
32 #include "cgroup-show.h"
33 #include "cgroup-util.h"
34 #include "copy.h"
35 #include "cpu-set-util.h"
36 #include "dropin.h"
37 #include "efivars.h"
38 #include "env-util.h"
39 #include "escape.h"
40 #include "exec-util.h"
41 #include "exit-status.h"
42 #include "fd-util.h"
43 #include "format-util.h"
44 #include "fs-util.h"
45 #include "glob-util.h"
46 #include "hexdecoct.h"
47 #include "hostname-util.h"
48 #include "in-addr-util.h"
49 #include "initreq.h"
50 #include "install.h"
51 #include "io-util.h"
52 #include "journal-util.h"
53 #include "list.h"
54 #include "locale-util.h"
55 #include "log.h"
56 #include "logs-show.h"
57 #include "macro.h"
58 #include "main-func.h"
59 #include "memory-util.h"
60 #include "mkdir.h"
61 #include "pager.h"
62 #include "parse-util.h"
63 #include "path-lookup.h"
64 #include "path-util.h"
65 #include "pretty-print.h"
66 #include "proc-cmdline.h"
67 #include "process-util.h"
68 #include "reboot-util.h"
69 #include "rlimit-util.h"
70 #include "set.h"
71 #include "sigbus.h"
72 #include "signal-util.h"
73 #include "socket-util.h"
74 #include "sort-util.h"
75 #include "spawn-ask-password-agent.h"
76 #include "spawn-polkit-agent.h"
77 #include "special.h"
78 #include "stat-util.h"
79 #include "string-table.h"
80 #include "strv.h"
81 #include "sysv-compat.h"
82 #include "terminal-util.h"
83 #include "tmpfile-util.h"
84 #include "unit-def.h"
85 #include "unit-name.h"
86 #include "user-util.h"
87 #include "utf8.h"
88 #include "utmp-wtmp.h"
89 #include "verbs.h"
90 #include "virt.h"
91
92 static char **arg_types = NULL;
93 static char **arg_states = NULL;
94 static char **arg_properties = NULL;
95 static bool arg_all = false;
96 static enum dependency {
97 DEPENDENCY_FORWARD,
98 DEPENDENCY_REVERSE,
99 DEPENDENCY_AFTER,
100 DEPENDENCY_BEFORE,
101 _DEPENDENCY_MAX
102 } arg_dependency = DEPENDENCY_FORWARD;
103 static const char *arg_job_mode = "replace";
104 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
105 static bool arg_wait = false;
106 static bool arg_no_block = false;
107 static bool arg_no_legend = false;
108 static PagerFlags arg_pager_flags = 0;
109 static bool arg_no_wtmp = false;
110 static bool arg_no_sync = false;
111 static bool arg_no_wall = false;
112 static bool arg_no_reload = false;
113 static bool arg_value = false;
114 static bool arg_show_types = false;
115 static bool arg_ignore_inhibitors = false;
116 static bool arg_dry_run = false;
117 static bool arg_quiet = false;
118 static bool arg_full = false;
119 static bool arg_recursive = false;
120 static bool arg_show_transaction = false;
121 static int arg_force = 0;
122 static bool arg_ask_password = false;
123 static bool arg_runtime = false;
124 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
125 static char **arg_wall = NULL;
126 static const char *arg_kill_who = NULL;
127 static int arg_signal = SIGTERM;
128 static char *arg_root = NULL;
129 static usec_t arg_when = 0;
130 static enum action {
131 ACTION_SYSTEMCTL,
132 ACTION_HALT,
133 ACTION_POWEROFF,
134 ACTION_REBOOT,
135 ACTION_KEXEC,
136 ACTION_EXIT,
137 ACTION_SUSPEND,
138 ACTION_HIBERNATE,
139 ACTION_HYBRID_SLEEP,
140 ACTION_SUSPEND_THEN_HIBERNATE,
141 ACTION_RUNLEVEL2,
142 ACTION_RUNLEVEL3,
143 ACTION_RUNLEVEL4,
144 ACTION_RUNLEVEL5,
145 ACTION_RESCUE,
146 ACTION_EMERGENCY,
147 ACTION_DEFAULT,
148 ACTION_RELOAD,
149 ACTION_REEXEC,
150 ACTION_RUNLEVEL,
151 ACTION_CANCEL_SHUTDOWN,
152 _ACTION_MAX,
153 _ACTION_INVALID = -1
154 } arg_action = ACTION_SYSTEMCTL;
155 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
156 static const char *arg_host = NULL;
157 static unsigned arg_lines = 10;
158 static OutputMode arg_output = OUTPUT_SHORT;
159 static bool arg_plain = false;
160 static bool arg_firmware_setup = false;
161 static usec_t arg_boot_loader_menu = USEC_INFINITY;
162 static const char *arg_boot_loader_entry = NULL;
163 static bool arg_now = false;
164 static bool arg_jobs_before = false;
165 static bool arg_jobs_after = false;
166 static char **arg_clean_what = NULL;
167
168 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
169 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
170 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
171 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
172 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
173 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
174
175 static int daemon_reload(int argc, char *argv[], void* userdata);
176 static int trivial_method(int argc, char *argv[], void *userdata);
177 static int halt_now(enum action a);
178 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
179
180 static bool original_stdout_is_tty;
181
182 typedef enum BusFocus {
183 BUS_FULL, /* The full bus indicated via --system or --user */
184 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
185 _BUS_FOCUS_MAX
186 } BusFocus;
187
188 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
189
190 static UnitFileFlags args_to_flags(void) {
191 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
192 (arg_force ? UNIT_FILE_FORCE : 0);
193 }
194
195 static int acquire_bus(BusFocus focus, sd_bus **ret) {
196 int r;
197
198 assert(focus < _BUS_FOCUS_MAX);
199 assert(ret);
200
201 /* We only go directly to the manager, if we are using a local transport */
202 if (arg_transport != BUS_TRANSPORT_LOCAL)
203 focus = BUS_FULL;
204
205 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
206 focus = BUS_FULL;
207
208 if (!buses[focus]) {
209 bool user;
210
211 user = arg_scope != UNIT_FILE_SYSTEM;
212
213 if (focus == BUS_MANAGER)
214 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
215 else
216 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
217 if (r < 0)
218 return log_error_errno(r, "Failed to connect to bus: %m");
219
220 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
221 }
222
223 *ret = buses[focus];
224 return 0;
225 }
226
227 static void release_busses(void) {
228 BusFocus w;
229
230 for (w = 0; w < _BUS_FOCUS_MAX; w++)
231 buses[w] = sd_bus_flush_close_unref(buses[w]);
232 }
233
234 static void ask_password_agent_open_if_enabled(void) {
235 /* Open the password agent as a child process if necessary */
236
237 if (arg_dry_run)
238 return;
239
240 if (!arg_ask_password)
241 return;
242
243 if (arg_scope != UNIT_FILE_SYSTEM)
244 return;
245
246 if (arg_transport != BUS_TRANSPORT_LOCAL)
247 return;
248
249 ask_password_agent_open();
250 }
251
252 static void polkit_agent_open_maybe(void) {
253 /* Open the polkit agent as a child process if necessary */
254
255 if (arg_scope != UNIT_FILE_SYSTEM)
256 return;
257
258 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
259 }
260
261 static OutputFlags get_output_flags(void) {
262 return
263 arg_all * OUTPUT_SHOW_ALL |
264 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
265 colors_enabled() * OUTPUT_COLOR |
266 !arg_quiet * OUTPUT_WARN_CUTOFF;
267 }
268
269 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
270 assert(error);
271
272 if (!sd_bus_error_is_set(error))
273 return r;
274
275 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
276 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
277 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
278 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
279 return EXIT_NOPERMISSION;
280
281 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
282 return EXIT_NOTINSTALLED;
283
284 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
285 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
286 return EXIT_NOTIMPLEMENTED;
287
288 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
289 return EXIT_NOTCONFIGURED;
290
291 if (r != 0)
292 return r;
293
294 return EXIT_FAILURE;
295 }
296
297 static bool install_client_side(void) {
298 /* Decides when to execute enable/disable/... operations
299 * client-side rather than server-side. */
300
301 if (running_in_chroot_or_offline())
302 return true;
303
304 if (sd_booted() <= 0)
305 return true;
306
307 if (!isempty(arg_root))
308 return true;
309
310 if (arg_scope == UNIT_FILE_GLOBAL)
311 return true;
312
313 /* Unsupported environment variable, mostly for debugging purposes */
314 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
315 return true;
316
317 return false;
318 }
319
320 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
321 const char *d1, *d2;
322 int r;
323
324 /* First, order by machine */
325 if (!a->machine && b->machine)
326 return -1;
327 if (a->machine && !b->machine)
328 return 1;
329 if (a->machine && b->machine) {
330 r = strcasecmp(a->machine, b->machine);
331 if (r != 0)
332 return r;
333 }
334
335 /* Second, order by unit type */
336 d1 = strrchr(a->id, '.');
337 d2 = strrchr(b->id, '.');
338 if (d1 && d2) {
339 r = strcasecmp(d1, d2);
340 if (r != 0)
341 return r;
342 }
343
344 /* Third, order by name */
345 return strcasecmp(a->id, b->id);
346 }
347
348 static const char* unit_type_suffix(const char *name) {
349 const char *dot;
350
351 dot = strrchr(name, '.');
352 if (!dot)
353 return "";
354
355 return dot + 1;
356 }
357
358 static bool output_show_unit(const UnitInfo *u, char **patterns) {
359 assert(u);
360
361 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
362 return false;
363
364 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
365 return false;
366
367 if (arg_all)
368 return true;
369
370 /* Note that '--all' is not purely a state filter, but also a
371 * filter that hides units that "follow" other units (which is
372 * used for device units that appear under different names). */
373 if (!isempty(u->following))
374 return false;
375
376 if (!strv_isempty(arg_states))
377 return true;
378
379 /* By default show all units except the ones in inactive
380 * state and with no pending job */
381 if (u->job_id > 0)
382 return true;
383
384 if (streq(u->active_state, "inactive"))
385 return false;
386
387 return true;
388 }
389
390 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
391 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
392 const UnitInfo *u;
393 unsigned n_shown = 0;
394 int job_count = 0;
395 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
396
397 max_id_len = STRLEN("UNIT");
398 load_len = STRLEN("LOAD");
399 active_len = STRLEN("ACTIVE");
400 sub_len = STRLEN("SUB");
401 job_len = STRLEN("JOB");
402 max_desc_len = STRLEN("DESCRIPTION");
403
404 for (u = unit_infos; u < unit_infos + c; u++) {
405 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
406 load_len = MAX(load_len, strlen(u->load_state));
407 active_len = MAX(active_len, strlen(u->active_state));
408 sub_len = MAX(sub_len, strlen(u->sub_state));
409 max_desc_len = MAX(max_desc_len, strlen(u->description));
410
411 if (u->job_id != 0) {
412 job_len = MAX(job_len, strlen(u->job_type));
413 job_count++;
414 }
415
416 if (!arg_no_legend &&
417 (streq(u->active_state, "failed") ||
418 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
419 circle_len = 2;
420 }
421
422 if (!arg_full && original_stdout_is_tty) {
423 unsigned basic_len;
424
425 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
426 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
427
428 if (job_count)
429 basic_len += job_len + 1;
430
431 if (basic_len < (unsigned) columns()) {
432 unsigned extra_len, incr;
433 extra_len = columns() - basic_len;
434
435 /* Either UNIT already got 25, or is fully satisfied.
436 * Grant up to 25 to DESC now. */
437 incr = MIN(extra_len, 25u);
438 desc_len = incr;
439 extra_len -= incr;
440
441 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
442 * description but not more than it needs. */
443 if (extra_len > 0) {
444 incr = MIN(max_id_len - id_len, extra_len);
445 id_len += incr;
446 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
447 }
448 } else
449 desc_len = 0;
450 } else {
451 id_len = max_id_len;
452 desc_len = max_desc_len;
453 }
454
455 for (u = unit_infos; u < unit_infos + c; u++) {
456 _cleanup_free_ char *e = NULL, *j = NULL;
457 const char *on_underline = "", *off_underline = "";
458 const char *on_loaded = "", *off_loaded = "";
459 const char *on_active = "", *off_active = "";
460 const char *on_circle = "", *off_circle = "";
461 const char *id;
462 bool circle = false, underline = false;
463
464 if (!n_shown && !arg_no_legend) {
465
466 if (circle_len > 0)
467 fputs(" ", stdout);
468
469 printf("%s%-*s %-*s %-*s %-*s ",
470 ansi_underline(),
471 id_len, "UNIT",
472 load_len, "LOAD",
473 active_len, "ACTIVE",
474 sub_len, "SUB");
475
476 if (job_count)
477 printf("%-*s ", job_len, "JOB");
478
479 printf("%-*.*s%s\n",
480 desc_len,
481 full ? -1 : (int) desc_len,
482 "DESCRIPTION",
483 ansi_normal());
484 }
485
486 n_shown++;
487
488 if (u + 1 < unit_infos + c &&
489 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
490 on_underline = ansi_underline();
491 off_underline = ansi_normal();
492 underline = true;
493 }
494
495 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
496 on_circle = ansi_highlight_yellow();
497 off_circle = ansi_normal();
498 circle = true;
499 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
500 off_loaded = underline ? on_underline : ansi_normal();
501 } else if (streq(u->active_state, "failed") && !arg_plain) {
502 on_circle = ansi_highlight_red();
503 off_circle = ansi_normal();
504 circle = true;
505 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
506 off_active = underline ? on_underline : ansi_normal();
507 }
508
509 if (u->machine) {
510 j = strjoin(u->machine, ":", u->id);
511 if (!j)
512 return log_oom();
513
514 id = j;
515 } else
516 id = u->id;
517
518 if (arg_full) {
519 e = ellipsize(id, id_len, 33);
520 if (!e)
521 return log_oom();
522
523 id = e;
524 }
525
526 if (circle_len > 0)
527 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
528
529 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
530 on_underline,
531 on_active, id_len, id, off_active,
532 on_loaded, load_len, u->load_state, off_loaded,
533 on_active, active_len, u->active_state,
534 sub_len, u->sub_state, off_active,
535 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
536
537 printf("%-*.*s%s\n",
538 desc_len,
539 full ? -1 : (int) desc_len,
540 u->description,
541 off_underline);
542 }
543
544 if (!arg_no_legend) {
545 const char *on, *off;
546
547 if (n_shown) {
548 puts("\n"
549 "LOAD = Reflects whether the unit definition was properly loaded.\n"
550 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
551 "SUB = The low-level unit activation state, values depend on unit type.");
552 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
553 on = ansi_highlight();
554 off = ansi_normal();
555 } else {
556 on = ansi_highlight_red();
557 off = ansi_normal();
558 }
559
560 if (arg_all || strv_contains(arg_states, "inactive"))
561 printf("%s%u loaded units listed.%s\n"
562 "To show all installed unit files use 'systemctl list-unit-files'.\n",
563 on, n_shown, off);
564 else if (!arg_states)
565 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
566 "To show all installed unit files use 'systemctl list-unit-files'.\n",
567 on, n_shown, off);
568 else
569 printf("%u loaded units listed.\n", n_shown);
570 }
571
572 return 0;
573 }
574
575 static int get_unit_list(
576 sd_bus *bus,
577 const char *machine,
578 char **patterns,
579 UnitInfo **unit_infos,
580 int c,
581 sd_bus_message **_reply) {
582
583 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
584 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
585 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
586 size_t size = c;
587 int r;
588 UnitInfo u;
589 bool fallback = false;
590
591 assert(bus);
592 assert(unit_infos);
593 assert(_reply);
594
595 r = sd_bus_message_new_method_call(
596 bus,
597 &m,
598 "org.freedesktop.systemd1",
599 "/org/freedesktop/systemd1",
600 "org.freedesktop.systemd1.Manager",
601 "ListUnitsByPatterns");
602 if (r < 0)
603 return bus_log_create_error(r);
604
605 r = sd_bus_message_append_strv(m, arg_states);
606 if (r < 0)
607 return bus_log_create_error(r);
608
609 r = sd_bus_message_append_strv(m, patterns);
610 if (r < 0)
611 return bus_log_create_error(r);
612
613 r = sd_bus_call(bus, m, 0, &error, &reply);
614 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
615 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
616 /* Fallback to legacy ListUnitsFiltered method */
617 fallback = true;
618 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
619 m = sd_bus_message_unref(m);
620 sd_bus_error_free(&error);
621
622 r = sd_bus_message_new_method_call(
623 bus,
624 &m,
625 "org.freedesktop.systemd1",
626 "/org/freedesktop/systemd1",
627 "org.freedesktop.systemd1.Manager",
628 "ListUnitsFiltered");
629 if (r < 0)
630 return bus_log_create_error(r);
631
632 r = sd_bus_message_append_strv(m, arg_states);
633 if (r < 0)
634 return bus_log_create_error(r);
635
636 r = sd_bus_call(bus, m, 0, &error, &reply);
637 }
638 if (r < 0)
639 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
640
641 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
642 if (r < 0)
643 return bus_log_parse_error(r);
644
645 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
646 u.machine = machine;
647
648 if (!output_show_unit(&u, fallback ? patterns : NULL))
649 continue;
650
651 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
652 return log_oom();
653
654 (*unit_infos)[c++] = u;
655 }
656 if (r < 0)
657 return bus_log_parse_error(r);
658
659 r = sd_bus_message_exit_container(reply);
660 if (r < 0)
661 return bus_log_parse_error(r);
662
663 *_reply = TAKE_PTR(reply);
664
665 return c;
666 }
667
668 static void message_set_freep(Set **set) {
669 set_free_with_destructor(*set, sd_bus_message_unref);
670 }
671
672 static int get_unit_list_recursive(
673 sd_bus *bus,
674 char **patterns,
675 UnitInfo **_unit_infos,
676 Set **_replies,
677 char ***_machines) {
678
679 _cleanup_free_ UnitInfo *unit_infos = NULL;
680 _cleanup_(message_set_freep) Set *replies;
681 sd_bus_message *reply;
682 int c, r;
683
684 assert(bus);
685 assert(_replies);
686 assert(_unit_infos);
687 assert(_machines);
688
689 replies = set_new(NULL);
690 if (!replies)
691 return log_oom();
692
693 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
694 if (c < 0)
695 return c;
696
697 r = set_put(replies, reply);
698 if (r < 0) {
699 sd_bus_message_unref(reply);
700 return log_oom();
701 }
702
703 if (arg_recursive) {
704 _cleanup_strv_free_ char **machines = NULL;
705 char **i;
706
707 r = sd_get_machine_names(&machines);
708 if (r < 0)
709 return log_error_errno(r, "Failed to get machine names: %m");
710
711 STRV_FOREACH(i, machines) {
712 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
713 int k;
714
715 r = sd_bus_open_system_machine(&container, *i);
716 if (r < 0) {
717 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
718 continue;
719 }
720
721 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
722 if (k < 0)
723 return k;
724
725 c = k;
726
727 r = set_put(replies, reply);
728 if (r < 0) {
729 sd_bus_message_unref(reply);
730 return log_oom();
731 }
732 }
733
734 *_machines = TAKE_PTR(machines);
735 } else
736 *_machines = NULL;
737
738 *_unit_infos = TAKE_PTR(unit_infos);
739 *_replies = TAKE_PTR(replies);
740
741 return c;
742 }
743
744 static int list_units(int argc, char *argv[], void *userdata) {
745 _cleanup_free_ UnitInfo *unit_infos = NULL;
746 _cleanup_(message_set_freep) Set *replies = NULL;
747 _cleanup_strv_free_ char **machines = NULL;
748 sd_bus *bus;
749 int r;
750
751 r = acquire_bus(BUS_MANAGER, &bus);
752 if (r < 0)
753 return r;
754
755 (void) pager_open(arg_pager_flags);
756
757 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
758 if (r < 0)
759 return r;
760
761 typesafe_qsort(unit_infos, r, compare_unit_info);
762 return output_units_list(unit_infos, r);
763 }
764
765 static int get_triggered_units(
766 sd_bus *bus,
767 const char* path,
768 char*** ret) {
769
770 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
771 int r;
772
773 assert(bus);
774 assert(path);
775 assert(ret);
776
777 r = sd_bus_get_property_strv(
778 bus,
779 "org.freedesktop.systemd1",
780 path,
781 "org.freedesktop.systemd1.Unit",
782 "Triggers",
783 &error,
784 ret);
785 if (r < 0)
786 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
787
788 return 0;
789 }
790
791 static int get_listening(
792 sd_bus *bus,
793 const char* unit_path,
794 char*** listening) {
795
796 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
797 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
798 const char *type, *path;
799 int r, n = 0;
800
801 r = sd_bus_get_property(
802 bus,
803 "org.freedesktop.systemd1",
804 unit_path,
805 "org.freedesktop.systemd1.Socket",
806 "Listen",
807 &error,
808 &reply,
809 "a(ss)");
810 if (r < 0)
811 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
812
813 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
814 if (r < 0)
815 return bus_log_parse_error(r);
816
817 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
818
819 r = strv_extend(listening, type);
820 if (r < 0)
821 return log_oom();
822
823 r = strv_extend(listening, path);
824 if (r < 0)
825 return log_oom();
826
827 n++;
828 }
829 if (r < 0)
830 return bus_log_parse_error(r);
831
832 r = sd_bus_message_exit_container(reply);
833 if (r < 0)
834 return bus_log_parse_error(r);
835
836 return n;
837 }
838
839 struct socket_info {
840 const char *machine;
841 const char* id;
842
843 char* type;
844 char* path;
845
846 /* Note: triggered is a list here, although it almost certainly
847 * will always be one unit. Nevertheless, dbus API allows for multiple
848 * values, so let's follow that. */
849 char** triggered;
850
851 /* The strv above is shared. free is set only in the first one. */
852 bool own_triggered;
853 };
854
855 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
856 int r;
857
858 assert(a);
859 assert(b);
860
861 if (!a->machine && b->machine)
862 return -1;
863 if (a->machine && !b->machine)
864 return 1;
865 if (a->machine && b->machine) {
866 r = strcasecmp(a->machine, b->machine);
867 if (r != 0)
868 return r;
869 }
870
871 r = strcmp(a->path, b->path);
872 if (r == 0)
873 r = strcmp(a->type, b->type);
874
875 return r;
876 }
877
878 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
879 struct socket_info *s;
880 unsigned pathlen = STRLEN("LISTEN"),
881 typelen = STRLEN("TYPE") * arg_show_types,
882 socklen = STRLEN("UNIT"),
883 servlen = STRLEN("ACTIVATES");
884 const char *on, *off;
885
886 for (s = socket_infos; s < socket_infos + cs; s++) {
887 unsigned tmp = 0;
888 char **a;
889
890 socklen = MAX(socklen, strlen(s->id));
891 if (arg_show_types)
892 typelen = MAX(typelen, strlen(s->type));
893 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
894
895 STRV_FOREACH(a, s->triggered)
896 tmp += strlen(*a) + 2*(a != s->triggered);
897 servlen = MAX(servlen, tmp);
898 }
899
900 if (cs) {
901 if (!arg_no_legend)
902 printf("%-*s %-*.*s%-*s %s\n",
903 pathlen, "LISTEN",
904 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
905 socklen, "UNIT",
906 "ACTIVATES");
907
908 for (s = socket_infos; s < socket_infos + cs; s++) {
909 _cleanup_free_ char *j = NULL;
910 const char *path;
911 char **a;
912
913 if (s->machine) {
914 j = strjoin(s->machine, ":", s->path);
915 if (!j)
916 return log_oom();
917 path = j;
918 } else
919 path = s->path;
920
921 if (arg_show_types)
922 printf("%-*s %-*s %-*s",
923 pathlen, path, typelen, s->type, socklen, s->id);
924 else
925 printf("%-*s %-*s",
926 pathlen, path, socklen, s->id);
927 STRV_FOREACH(a, s->triggered)
928 printf("%s %s",
929 a == s->triggered ? "" : ",", *a);
930 printf("\n");
931 }
932
933 on = ansi_highlight();
934 off = ansi_normal();
935 if (!arg_no_legend)
936 printf("\n");
937 } else {
938 on = ansi_highlight_red();
939 off = ansi_normal();
940 }
941
942 if (!arg_no_legend) {
943 printf("%s%u sockets listed.%s\n", on, cs, off);
944 if (!arg_all)
945 printf("Pass --all to see loaded but inactive sockets, too.\n");
946 }
947
948 return 0;
949 }
950
951 static int list_sockets(int argc, char *argv[], void *userdata) {
952 _cleanup_(message_set_freep) Set *replies = NULL;
953 _cleanup_strv_free_ char **machines = NULL;
954 _cleanup_free_ UnitInfo *unit_infos = NULL;
955 _cleanup_free_ struct socket_info *socket_infos = NULL;
956 const UnitInfo *u;
957 struct socket_info *s;
958 unsigned cs = 0;
959 size_t size = 0;
960 int r = 0, n;
961 sd_bus *bus;
962
963 r = acquire_bus(BUS_MANAGER, &bus);
964 if (r < 0)
965 return r;
966
967 (void) pager_open(arg_pager_flags);
968
969 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
970 if (n < 0)
971 return n;
972
973 for (u = unit_infos; u < unit_infos + n; u++) {
974 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
975 int i, c;
976
977 if (!endswith(u->id, ".socket"))
978 continue;
979
980 r = get_triggered_units(bus, u->unit_path, &triggered);
981 if (r < 0)
982 goto cleanup;
983
984 c = get_listening(bus, u->unit_path, &listening);
985 if (c < 0) {
986 r = c;
987 goto cleanup;
988 }
989
990 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
991 r = log_oom();
992 goto cleanup;
993 }
994
995 for (i = 0; i < c; i++)
996 socket_infos[cs + i] = (struct socket_info) {
997 .machine = u->machine,
998 .id = u->id,
999 .type = listening[i*2],
1000 .path = listening[i*2 + 1],
1001 .triggered = triggered,
1002 .own_triggered = i==0,
1003 };
1004
1005 /* from this point on we will cleanup those socket_infos */
1006 cs += c;
1007 free(listening);
1008 listening = triggered = NULL; /* avoid cleanup */
1009 }
1010
1011 typesafe_qsort(socket_infos, cs, socket_info_compare);
1012
1013 output_sockets_list(socket_infos, cs);
1014
1015 cleanup:
1016 assert(cs == 0 || socket_infos);
1017 for (s = socket_infos; s < socket_infos + cs; s++) {
1018 free(s->type);
1019 free(s->path);
1020 if (s->own_triggered)
1021 strv_free(s->triggered);
1022 }
1023
1024 return r;
1025 }
1026
1027 static int get_next_elapse(
1028 sd_bus *bus,
1029 const char *path,
1030 dual_timestamp *next) {
1031
1032 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1033 dual_timestamp t;
1034 int r;
1035
1036 assert(bus);
1037 assert(path);
1038 assert(next);
1039
1040 r = sd_bus_get_property_trivial(
1041 bus,
1042 "org.freedesktop.systemd1",
1043 path,
1044 "org.freedesktop.systemd1.Timer",
1045 "NextElapseUSecMonotonic",
1046 &error,
1047 't',
1048 &t.monotonic);
1049 if (r < 0)
1050 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1051
1052 r = sd_bus_get_property_trivial(
1053 bus,
1054 "org.freedesktop.systemd1",
1055 path,
1056 "org.freedesktop.systemd1.Timer",
1057 "NextElapseUSecRealtime",
1058 &error,
1059 't',
1060 &t.realtime);
1061 if (r < 0)
1062 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1063
1064 *next = t;
1065 return 0;
1066 }
1067
1068 static int get_last_trigger(
1069 sd_bus *bus,
1070 const char *path,
1071 usec_t *last) {
1072
1073 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1074 int r;
1075
1076 assert(bus);
1077 assert(path);
1078 assert(last);
1079
1080 r = sd_bus_get_property_trivial(
1081 bus,
1082 "org.freedesktop.systemd1",
1083 path,
1084 "org.freedesktop.systemd1.Timer",
1085 "LastTriggerUSec",
1086 &error,
1087 't',
1088 last);
1089 if (r < 0)
1090 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1091
1092 return 0;
1093 }
1094
1095 struct timer_info {
1096 const char* machine;
1097 const char* id;
1098 usec_t next_elapse;
1099 usec_t last_trigger;
1100 char** triggered;
1101 };
1102
1103 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1104 int r;
1105
1106 assert(a);
1107 assert(b);
1108
1109 if (!a->machine && b->machine)
1110 return -1;
1111 if (a->machine && !b->machine)
1112 return 1;
1113 if (a->machine && b->machine) {
1114 r = strcasecmp(a->machine, b->machine);
1115 if (r != 0)
1116 return r;
1117 }
1118
1119 r = CMP(a->next_elapse, b->next_elapse);
1120 if (r != 0)
1121 return r;
1122
1123 return strcmp(a->id, b->id);
1124 }
1125
1126 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1127 struct timer_info *t;
1128 unsigned
1129 nextlen = STRLEN("NEXT"),
1130 leftlen = STRLEN("LEFT"),
1131 lastlen = STRLEN("LAST"),
1132 passedlen = STRLEN("PASSED"),
1133 unitlen = STRLEN("UNIT"),
1134 activatelen = STRLEN("ACTIVATES");
1135
1136 const char *on, *off;
1137
1138 assert(timer_infos || n == 0);
1139
1140 for (t = timer_infos; t < timer_infos + n; t++) {
1141 unsigned ul = 0;
1142 char **a;
1143
1144 if (t->next_elapse > 0) {
1145 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1146
1147 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1148 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1149
1150 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1151 leftlen = MAX(leftlen, strlen(trel));
1152 }
1153
1154 if (t->last_trigger > 0) {
1155 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1156
1157 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1158 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1159
1160 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1161 passedlen = MAX(passedlen, strlen(trel));
1162 }
1163
1164 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1165
1166 STRV_FOREACH(a, t->triggered)
1167 ul += strlen(*a) + 2*(a != t->triggered);
1168
1169 activatelen = MAX(activatelen, ul);
1170 }
1171
1172 if (n > 0) {
1173 if (!arg_no_legend)
1174 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1175 nextlen, "NEXT",
1176 leftlen, "LEFT",
1177 lastlen, "LAST",
1178 passedlen, "PASSED",
1179 unitlen, "UNIT",
1180 "ACTIVATES");
1181
1182 for (t = timer_infos; t < timer_infos + n; t++) {
1183 _cleanup_free_ char *j = NULL;
1184 const char *unit;
1185 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1186 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1187 char **a;
1188
1189 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1190 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1191
1192 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1193 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1194
1195 if (t->machine) {
1196 j = strjoin(t->machine, ":", t->id);
1197 if (!j)
1198 return log_oom();
1199 unit = j;
1200 } else
1201 unit = t->id;
1202
1203 printf("%-*s %-*s %-*s %-*s %-*s",
1204 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1205
1206 STRV_FOREACH(a, t->triggered)
1207 printf("%s %s",
1208 a == t->triggered ? "" : ",", *a);
1209 printf("\n");
1210 }
1211
1212 on = ansi_highlight();
1213 off = ansi_normal();
1214 if (!arg_no_legend)
1215 printf("\n");
1216 } else {
1217 on = ansi_highlight_red();
1218 off = ansi_normal();
1219 }
1220
1221 if (!arg_no_legend) {
1222 printf("%s%u timers listed.%s\n", on, n, off);
1223 if (!arg_all)
1224 printf("Pass --all to see loaded but inactive timers, too.\n");
1225 }
1226
1227 return 0;
1228 }
1229
1230 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1231 usec_t next_elapse;
1232
1233 assert(nw);
1234 assert(next);
1235
1236 if (timestamp_is_set(next->monotonic)) {
1237 usec_t converted;
1238
1239 if (next->monotonic > nw->monotonic)
1240 converted = nw->realtime + (next->monotonic - nw->monotonic);
1241 else
1242 converted = nw->realtime - (nw->monotonic - next->monotonic);
1243
1244 if (timestamp_is_set(next->realtime))
1245 next_elapse = MIN(converted, next->realtime);
1246 else
1247 next_elapse = converted;
1248
1249 } else
1250 next_elapse = next->realtime;
1251
1252 return next_elapse;
1253 }
1254
1255 static int list_timers(int argc, char *argv[], void *userdata) {
1256 _cleanup_(message_set_freep) Set *replies = NULL;
1257 _cleanup_strv_free_ char **machines = NULL;
1258 _cleanup_free_ struct timer_info *timer_infos = NULL;
1259 _cleanup_free_ UnitInfo *unit_infos = NULL;
1260 struct timer_info *t;
1261 const UnitInfo *u;
1262 size_t size = 0;
1263 int n, c = 0;
1264 dual_timestamp nw;
1265 sd_bus *bus;
1266 int r = 0;
1267
1268 r = acquire_bus(BUS_MANAGER, &bus);
1269 if (r < 0)
1270 return r;
1271
1272 (void) pager_open(arg_pager_flags);
1273
1274 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1275 if (n < 0)
1276 return n;
1277
1278 dual_timestamp_get(&nw);
1279
1280 for (u = unit_infos; u < unit_infos + n; u++) {
1281 _cleanup_strv_free_ char **triggered = NULL;
1282 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1283 usec_t m, last = 0;
1284
1285 if (!endswith(u->id, ".timer"))
1286 continue;
1287
1288 r = get_triggered_units(bus, u->unit_path, &triggered);
1289 if (r < 0)
1290 goto cleanup;
1291
1292 r = get_next_elapse(bus, u->unit_path, &next);
1293 if (r < 0)
1294 goto cleanup;
1295
1296 get_last_trigger(bus, u->unit_path, &last);
1297
1298 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1299 r = log_oom();
1300 goto cleanup;
1301 }
1302
1303 m = calc_next_elapse(&nw, &next);
1304
1305 timer_infos[c++] = (struct timer_info) {
1306 .machine = u->machine,
1307 .id = u->id,
1308 .next_elapse = m,
1309 .last_trigger = last,
1310 .triggered = TAKE_PTR(triggered),
1311 };
1312 }
1313
1314 typesafe_qsort(timer_infos, c, timer_info_compare);
1315
1316 output_timers_list(timer_infos, c);
1317
1318 cleanup:
1319 for (t = timer_infos; t < timer_infos + c; t++)
1320 strv_free(t->triggered);
1321
1322 return r;
1323 }
1324
1325 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1326 const char *d1, *d2;
1327
1328 d1 = strrchr(a->path, '.');
1329 d2 = strrchr(b->path, '.');
1330
1331 if (d1 && d2) {
1332 int r;
1333
1334 r = strcasecmp(d1, d2);
1335 if (r != 0)
1336 return r;
1337 }
1338
1339 return strcasecmp(basename(a->path), basename(b->path));
1340 }
1341
1342 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1343 assert(u);
1344
1345 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1346 return false;
1347
1348 if (!strv_isempty(arg_types)) {
1349 const char *dot;
1350
1351 dot = strrchr(u->path, '.');
1352 if (!dot)
1353 return false;
1354
1355 if (!strv_find(arg_types, dot+1))
1356 return false;
1357 }
1358
1359 if (!strv_isempty(states) &&
1360 !strv_find(states, unit_file_state_to_string(u->state)))
1361 return false;
1362
1363 return true;
1364 }
1365
1366 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1367 unsigned max_id_len, id_cols, state_cols;
1368 const UnitFileList *u;
1369
1370 max_id_len = STRLEN("UNIT FILE");
1371 state_cols = STRLEN("STATE");
1372
1373 for (u = units; u < units + c; u++) {
1374 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1375 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1376 }
1377
1378 if (!arg_full) {
1379 unsigned basic_cols;
1380
1381 id_cols = MIN(max_id_len, 25u);
1382 basic_cols = 1 + id_cols + state_cols;
1383 if (basic_cols < (unsigned) columns())
1384 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1385 } else
1386 id_cols = max_id_len;
1387
1388 if (!arg_no_legend && c > 0)
1389 printf("%s%-*s %-*s%s\n",
1390 ansi_underline(),
1391 id_cols, "UNIT FILE",
1392 state_cols, "STATE",
1393 ansi_normal());
1394
1395 for (u = units; u < units + c; u++) {
1396 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1397 _cleanup_free_ char *e = NULL;
1398 bool underline;
1399
1400 underline = u + 1 < units + c &&
1401 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1402
1403 if (underline)
1404 on_underline = ansi_underline();
1405
1406 if (IN_SET(u->state,
1407 UNIT_FILE_MASKED,
1408 UNIT_FILE_MASKED_RUNTIME,
1409 UNIT_FILE_DISABLED,
1410 UNIT_FILE_BAD))
1411 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1412 else if (u->state == UNIT_FILE_ENABLED)
1413 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1414
1415 if (on_underline || on_color)
1416 off = ansi_normal();
1417
1418 id = basename(u->path);
1419
1420 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1421
1422 printf("%s%-*s %s%-*s%s\n",
1423 strempty(on_underline),
1424 id_cols, e ? e : id,
1425 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1426 }
1427
1428 if (!arg_no_legend)
1429 printf("\n%u unit files listed.\n", c);
1430 }
1431
1432 static int list_unit_files(int argc, char *argv[], void *userdata) {
1433 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1434 _cleanup_free_ UnitFileList *units = NULL;
1435 UnitFileList *unit;
1436 size_t size = 0;
1437 unsigned c = 0;
1438 const char *state;
1439 char *path;
1440 int r;
1441 bool fallback = false;
1442
1443 if (install_client_side()) {
1444 Hashmap *h;
1445 UnitFileList *u;
1446 Iterator i;
1447 unsigned n_units;
1448
1449 h = hashmap_new(&string_hash_ops);
1450 if (!h)
1451 return log_oom();
1452
1453 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1454 if (r < 0) {
1455 unit_file_list_free(h);
1456 return log_error_errno(r, "Failed to get unit file list: %m");
1457 }
1458
1459 n_units = hashmap_size(h);
1460
1461 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1462 if (!units) {
1463 unit_file_list_free(h);
1464 return log_oom();
1465 }
1466
1467 HASHMAP_FOREACH(u, h, i) {
1468 if (!output_show_unit_file(u, NULL, NULL))
1469 continue;
1470
1471 units[c++] = *u;
1472 free(u);
1473 }
1474
1475 assert(c <= n_units);
1476 hashmap_free(h);
1477
1478 r = 0;
1479 } else {
1480 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1481 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1482 sd_bus *bus;
1483
1484 r = acquire_bus(BUS_MANAGER, &bus);
1485 if (r < 0)
1486 return r;
1487
1488 r = sd_bus_message_new_method_call(
1489 bus,
1490 &m,
1491 "org.freedesktop.systemd1",
1492 "/org/freedesktop/systemd1",
1493 "org.freedesktop.systemd1.Manager",
1494 "ListUnitFilesByPatterns");
1495 if (r < 0)
1496 return bus_log_create_error(r);
1497
1498 r = sd_bus_message_append_strv(m, arg_states);
1499 if (r < 0)
1500 return bus_log_create_error(r);
1501
1502 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1503 if (r < 0)
1504 return bus_log_create_error(r);
1505
1506 r = sd_bus_call(bus, m, 0, &error, &reply);
1507 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1508 /* Fallback to legacy ListUnitFiles method */
1509 fallback = true;
1510 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1511 m = sd_bus_message_unref(m);
1512 sd_bus_error_free(&error);
1513
1514 r = sd_bus_message_new_method_call(
1515 bus,
1516 &m,
1517 "org.freedesktop.systemd1",
1518 "/org/freedesktop/systemd1",
1519 "org.freedesktop.systemd1.Manager",
1520 "ListUnitFiles");
1521 if (r < 0)
1522 return bus_log_create_error(r);
1523
1524 r = sd_bus_call(bus, m, 0, &error, &reply);
1525 }
1526 if (r < 0)
1527 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1528
1529 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1530 if (r < 0)
1531 return bus_log_parse_error(r);
1532
1533 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1534
1535 if (!GREEDY_REALLOC(units, size, c + 1))
1536 return log_oom();
1537
1538 units[c] = (struct UnitFileList) {
1539 path,
1540 unit_file_state_from_string(state)
1541 };
1542
1543 if (output_show_unit_file(&units[c],
1544 fallback ? arg_states : NULL,
1545 fallback ? strv_skip(argv, 1) : NULL))
1546 c++;
1547
1548 }
1549 if (r < 0)
1550 return bus_log_parse_error(r);
1551
1552 r = sd_bus_message_exit_container(reply);
1553 if (r < 0)
1554 return bus_log_parse_error(r);
1555 }
1556
1557 (void) pager_open(arg_pager_flags);
1558
1559 typesafe_qsort(units, c, compare_unit_file_list);
1560 output_unit_file_list(units, c);
1561
1562 if (install_client_side())
1563 for (unit = units; unit < units + c; unit++)
1564 free(unit->path);
1565
1566 return 0;
1567 }
1568
1569 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1570 _cleanup_free_ char *n = NULL;
1571 size_t max_len = MAX(columns(),20u);
1572 size_t len = 0;
1573 int i;
1574
1575 if (!arg_plain) {
1576
1577 for (i = level - 1; i >= 0; i--) {
1578 len += 2;
1579 if (len > max_len - 3 && !arg_full) {
1580 printf("%s...\n",max_len % 2 ? "" : " ");
1581 return 0;
1582 }
1583 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1584 }
1585 len += 2;
1586
1587 if (len > max_len - 3 && !arg_full) {
1588 printf("%s...\n",max_len % 2 ? "" : " ");
1589 return 0;
1590 }
1591
1592 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1593 }
1594
1595 if (arg_full) {
1596 printf("%s\n", name);
1597 return 0;
1598 }
1599
1600 n = ellipsize(name, max_len-len, 100);
1601 if (!n)
1602 return log_oom();
1603
1604 printf("%s\n", n);
1605 return 0;
1606 }
1607
1608 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1609 struct DependencyStatusInfo {
1610 char **dep[5];
1611 } info = {};
1612
1613 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1614 [DEPENDENCY_FORWARD] = {
1615 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1616 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1617 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1618 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1619 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1620 {}
1621 },
1622 [DEPENDENCY_REVERSE] = {
1623 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1624 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1625 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1626 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1627 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1628 {}
1629 },
1630 [DEPENDENCY_AFTER] = {
1631 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1632 {}
1633 },
1634 [DEPENDENCY_BEFORE] = {
1635 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1636 {}
1637 },
1638 };
1639
1640 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1641 _cleanup_strv_free_ char **ret = NULL;
1642 _cleanup_free_ char *path = NULL;
1643 int i, r;
1644
1645 assert(bus);
1646 assert(name);
1647 assert(deps);
1648
1649 path = unit_dbus_path_from_name(name);
1650 if (!path)
1651 return log_oom();
1652
1653 r = bus_map_all_properties(bus,
1654 "org.freedesktop.systemd1",
1655 path,
1656 map[arg_dependency],
1657 BUS_MAP_STRDUP,
1658 &error,
1659 NULL,
1660 &info);
1661 if (r < 0)
1662 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1663
1664 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1665 *deps = info.dep[0];
1666 return 0;
1667 }
1668
1669 for (i = 0; i < 5; i++) {
1670 r = strv_extend_strv(&ret, info.dep[i], true);
1671 if (r < 0)
1672 return log_oom();
1673 info.dep[i] = strv_free(info.dep[i]);
1674 }
1675
1676 *deps = TAKE_PTR(ret);
1677
1678 return 0;
1679 }
1680
1681 static int list_dependencies_compare(char * const *a, char * const *b) {
1682 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1683 return 1;
1684 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1685 return -1;
1686
1687 return strcasecmp(*a, *b);
1688 }
1689
1690 static int list_dependencies_one(
1691 sd_bus *bus,
1692 const char *name,
1693 int level,
1694 char ***units,
1695 unsigned branches) {
1696
1697 _cleanup_strv_free_ char **deps = NULL;
1698 char **c;
1699 int r = 0;
1700
1701 assert(bus);
1702 assert(name);
1703 assert(units);
1704
1705 r = strv_extend(units, name);
1706 if (r < 0)
1707 return log_oom();
1708
1709 r = list_dependencies_get_dependencies(bus, name, &deps);
1710 if (r < 0)
1711 return r;
1712
1713 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1714
1715 STRV_FOREACH(c, deps) {
1716 if (strv_contains(*units, *c)) {
1717 if (!arg_plain) {
1718 printf(" ");
1719 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1720 if (r < 0)
1721 return r;
1722 }
1723 continue;
1724 }
1725
1726 if (arg_plain)
1727 printf(" ");
1728 else {
1729 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1730 const char *on;
1731
1732 (void) get_state_one_unit(bus, *c, &active_state);
1733
1734 switch (active_state) {
1735 case UNIT_ACTIVE:
1736 case UNIT_RELOADING:
1737 case UNIT_ACTIVATING:
1738 on = ansi_highlight_green();
1739 break;
1740
1741 case UNIT_INACTIVE:
1742 case UNIT_DEACTIVATING:
1743 on = ansi_normal();
1744 break;
1745
1746 default:
1747 on = ansi_highlight_red();
1748 break;
1749 }
1750
1751 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1752 }
1753
1754 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1755 if (r < 0)
1756 return r;
1757
1758 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1759 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1760 if (r < 0)
1761 return r;
1762 }
1763 }
1764
1765 if (!arg_plain)
1766 strv_remove(*units, name);
1767
1768 return 0;
1769 }
1770
1771 static int list_dependencies(int argc, char *argv[], void *userdata) {
1772 _cleanup_strv_free_ char **units = NULL;
1773 _cleanup_free_ char *unit = NULL;
1774 const char *u;
1775 sd_bus *bus;
1776 int r;
1777
1778 if (argv[1]) {
1779 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1780 if (r < 0)
1781 return log_error_errno(r, "Failed to mangle unit name: %m");
1782
1783 u = unit;
1784 } else
1785 u = SPECIAL_DEFAULT_TARGET;
1786
1787 r = acquire_bus(BUS_MANAGER, &bus);
1788 if (r < 0)
1789 return r;
1790
1791 (void) pager_open(arg_pager_flags);
1792
1793 puts(u);
1794
1795 return list_dependencies_one(bus, u, 0, &units, 0);
1796 }
1797
1798 struct machine_info {
1799 bool is_host;
1800 char *name;
1801 char *state;
1802 char *control_group;
1803 uint32_t n_failed_units;
1804 uint32_t n_jobs;
1805 usec_t timestamp;
1806 };
1807
1808 static const struct bus_properties_map machine_info_property_map[] = {
1809 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1810 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1811 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1812 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1813 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1814 {}
1815 };
1816
1817 static void machine_info_clear(struct machine_info *info) {
1818 assert(info);
1819
1820 free(info->name);
1821 free(info->state);
1822 free(info->control_group);
1823 zero(*info);
1824 }
1825
1826 static void free_machines_list(struct machine_info *machine_infos, int n) {
1827 int i;
1828
1829 if (!machine_infos)
1830 return;
1831
1832 for (i = 0; i < n; i++)
1833 machine_info_clear(&machine_infos[i]);
1834
1835 free(machine_infos);
1836 }
1837
1838 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1839 int r;
1840
1841 r = CMP(b->is_host, a->is_host);
1842 if (r != 0)
1843 return r;
1844
1845 return strcasecmp(a->name, b->name);
1846 }
1847
1848 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1849 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1850 int r;
1851
1852 assert(mi);
1853
1854 if (!bus) {
1855 r = sd_bus_open_system_machine(&container, mi->name);
1856 if (r < 0)
1857 return r;
1858
1859 bus = container;
1860 }
1861
1862 r = bus_map_all_properties(
1863 bus,
1864 "org.freedesktop.systemd1",
1865 "/org/freedesktop/systemd1",
1866 machine_info_property_map,
1867 BUS_MAP_STRDUP,
1868 NULL,
1869 NULL,
1870 mi);
1871 if (r < 0)
1872 return r;
1873
1874 return 0;
1875 }
1876
1877 static bool output_show_machine(const char *name, char **patterns) {
1878 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1879 }
1880
1881 static int get_machine_list(
1882 sd_bus *bus,
1883 struct machine_info **_machine_infos,
1884 char **patterns) {
1885
1886 struct machine_info *machine_infos = NULL;
1887 _cleanup_strv_free_ char **m = NULL;
1888 _cleanup_free_ char *hn = NULL;
1889 size_t sz = 0;
1890 char **i;
1891 int c = 0, r;
1892
1893 hn = gethostname_malloc();
1894 if (!hn)
1895 return log_oom();
1896
1897 if (output_show_machine(hn, patterns)) {
1898 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1899 return log_oom();
1900
1901 machine_infos[c].is_host = true;
1902 machine_infos[c].name = TAKE_PTR(hn);
1903
1904 (void) get_machine_properties(bus, &machine_infos[c]);
1905 c++;
1906 }
1907
1908 r = sd_get_machine_names(&m);
1909 if (r < 0)
1910 return log_error_errno(r, "Failed to get machine list: %m");
1911
1912 STRV_FOREACH(i, m) {
1913 _cleanup_free_ char *class = NULL;
1914
1915 if (!output_show_machine(*i, patterns))
1916 continue;
1917
1918 sd_machine_get_class(*i, &class);
1919 if (!streq_ptr(class, "container"))
1920 continue;
1921
1922 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1923 free_machines_list(machine_infos, c);
1924 return log_oom();
1925 }
1926
1927 machine_infos[c].is_host = false;
1928 machine_infos[c].name = strdup(*i);
1929 if (!machine_infos[c].name) {
1930 free_machines_list(machine_infos, c);
1931 return log_oom();
1932 }
1933
1934 (void) get_machine_properties(NULL, &machine_infos[c]);
1935 c++;
1936 }
1937
1938 *_machine_infos = machine_infos;
1939 return c;
1940 }
1941
1942 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1943 struct machine_info *m;
1944 unsigned
1945 circle_len = 0,
1946 namelen = STRLEN("NAME"),
1947 statelen = STRLEN("STATE"),
1948 failedlen = STRLEN("FAILED"),
1949 jobslen = STRLEN("JOBS");
1950 bool state_missing = false;
1951
1952 assert(machine_infos || n == 0);
1953
1954 for (m = machine_infos; m < machine_infos + n; m++) {
1955 namelen = MAX(namelen,
1956 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1957 statelen = MAX(statelen, strlen_ptr(m->state));
1958 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1959 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1960
1961 if (!arg_plain && m->state && !streq(m->state, "running"))
1962 circle_len = 2;
1963 }
1964
1965 if (!arg_no_legend) {
1966 if (circle_len > 0)
1967 fputs(" ", stdout);
1968
1969 printf("%-*s %-*s %-*s %-*s\n",
1970 namelen, "NAME",
1971 statelen, "STATE",
1972 failedlen, "FAILED",
1973 jobslen, "JOBS");
1974 }
1975
1976 for (m = machine_infos; m < machine_infos + n; m++) {
1977 const char *on_state = "", *off_state = "";
1978 const char *on_failed = "", *off_failed = "";
1979 bool circle = false;
1980
1981 if (streq_ptr(m->state, "degraded")) {
1982 on_state = ansi_highlight_red();
1983 off_state = ansi_normal();
1984 circle = true;
1985 } else if (!streq_ptr(m->state, "running")) {
1986 on_state = ansi_highlight_yellow();
1987 off_state = ansi_normal();
1988 circle = true;
1989 }
1990
1991 if (m->n_failed_units > 0) {
1992 on_failed = ansi_highlight_red();
1993 off_failed = ansi_normal();
1994 } else
1995 on_failed = off_failed = "";
1996
1997 if (circle_len > 0)
1998 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
1999
2000 if (!m->state)
2001 state_missing = true;
2002
2003 if (m->is_host)
2004 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2005 (int) (namelen - strlen(" (host)")),
2006 strna(m->name),
2007 on_state, statelen, strna(m->state), off_state,
2008 on_failed, failedlen, m->n_failed_units, off_failed,
2009 jobslen, m->n_jobs);
2010 else
2011 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2012 namelen, strna(m->name),
2013 on_state, statelen, strna(m->state), off_state,
2014 on_failed, failedlen, m->n_failed_units, off_failed,
2015 jobslen, m->n_jobs);
2016 }
2017
2018 if (!arg_no_legend) {
2019 printf("\n");
2020 if (state_missing && geteuid() != 0)
2021 printf("Notice: some information only available to privileged users was not shown.\n");
2022 printf("%u machines listed.\n", n);
2023 }
2024 }
2025
2026 static int list_machines(int argc, char *argv[], void *userdata) {
2027 struct machine_info *machine_infos = NULL;
2028 sd_bus *bus;
2029 int r;
2030
2031 r = acquire_bus(BUS_MANAGER, &bus);
2032 if (r < 0)
2033 return r;
2034
2035 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2036 if (r < 0)
2037 return r;
2038
2039 (void) pager_open(arg_pager_flags);
2040
2041 typesafe_qsort(machine_infos, r, compare_machine_info);
2042 output_machines_list(machine_infos, r);
2043 free_machines_list(machine_infos, r);
2044
2045 return 0;
2046 }
2047
2048 static int get_default(int argc, char *argv[], void *userdata) {
2049 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2050 _cleanup_free_ char *_path = NULL;
2051 const char *path;
2052 int r;
2053
2054 if (install_client_side()) {
2055 r = unit_file_get_default(arg_scope, arg_root, &_path);
2056 if (r < 0)
2057 return log_error_errno(r, "Failed to get default target: %m");
2058 path = _path;
2059
2060 r = 0;
2061 } else {
2062 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2063 sd_bus *bus;
2064
2065 r = acquire_bus(BUS_MANAGER, &bus);
2066 if (r < 0)
2067 return r;
2068
2069 r = sd_bus_call_method(
2070 bus,
2071 "org.freedesktop.systemd1",
2072 "/org/freedesktop/systemd1",
2073 "org.freedesktop.systemd1.Manager",
2074 "GetDefaultTarget",
2075 &error,
2076 &reply,
2077 NULL);
2078 if (r < 0)
2079 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2080
2081 r = sd_bus_message_read(reply, "s", &path);
2082 if (r < 0)
2083 return bus_log_parse_error(r);
2084 }
2085
2086 if (path)
2087 printf("%s\n", path);
2088
2089 return 0;
2090 }
2091
2092 static int set_default(int argc, char *argv[], void *userdata) {
2093 _cleanup_free_ char *unit = NULL;
2094 UnitFileChange *changes = NULL;
2095 size_t n_changes = 0;
2096 int r;
2097
2098 assert(argc >= 2);
2099 assert(argv);
2100
2101 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2102 if (r < 0)
2103 return log_error_errno(r, "Failed to mangle unit name: %m");
2104
2105 if (install_client_side()) {
2106 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2107 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2108
2109 if (r > 0)
2110 r = 0;
2111 } else {
2112 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2113 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2114 sd_bus *bus;
2115
2116 polkit_agent_open_maybe();
2117
2118 r = acquire_bus(BUS_MANAGER, &bus);
2119 if (r < 0)
2120 return r;
2121
2122 r = sd_bus_call_method(
2123 bus,
2124 "org.freedesktop.systemd1",
2125 "/org/freedesktop/systemd1",
2126 "org.freedesktop.systemd1.Manager",
2127 "SetDefaultTarget",
2128 &error,
2129 &reply,
2130 "sb", unit, 1);
2131 if (r < 0)
2132 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2133
2134 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2135 if (r < 0)
2136 goto finish;
2137
2138 /* Try to reload if enabled */
2139 if (!arg_no_reload)
2140 r = daemon_reload(argc, argv, userdata);
2141 else
2142 r = 0;
2143 }
2144
2145 finish:
2146 unit_file_changes_free(changes, n_changes);
2147
2148 return r;
2149 }
2150
2151 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2152 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2153 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2154 const char *name, *type;
2155 uint32_t other_id;
2156 int r;
2157
2158 assert(bus);
2159
2160 r = sd_bus_call_method(
2161 bus,
2162 "org.freedesktop.systemd1",
2163 "/org/freedesktop/systemd1",
2164 "org.freedesktop.systemd1.Manager",
2165 method,
2166 &error,
2167 &reply,
2168 "u", id);
2169 if (r < 0)
2170 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2171
2172 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2173 if (r < 0)
2174 return bus_log_parse_error(r);
2175
2176 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2177 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2178 if (r < 0)
2179 return bus_log_parse_error(r);
2180
2181 r = sd_bus_message_exit_container(reply);
2182 if (r < 0)
2183 return bus_log_parse_error(r);
2184
2185 return 0;
2186 }
2187
2188 struct job_info {
2189 uint32_t id;
2190 const char *name, *type, *state;
2191 };
2192
2193 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2194 unsigned id_len, unit_len, type_len, state_len;
2195 const struct job_info *j;
2196 const char *on, *off;
2197 bool shorten = false;
2198
2199 assert(n == 0 || jobs);
2200
2201 if (n == 0) {
2202 if (!arg_no_legend) {
2203 on = ansi_highlight_green();
2204 off = ansi_normal();
2205
2206 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2207 }
2208 return;
2209 }
2210
2211 (void) pager_open(arg_pager_flags);
2212
2213 id_len = STRLEN("JOB");
2214 unit_len = STRLEN("UNIT");
2215 type_len = STRLEN("TYPE");
2216 state_len = STRLEN("STATE");
2217
2218 for (j = jobs; j < jobs + n; j++) {
2219 uint32_t id = j->id;
2220 assert(j->name && j->type && j->state);
2221
2222 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2223 unit_len = MAX(unit_len, strlen(j->name));
2224 type_len = MAX(type_len, strlen(j->type));
2225 state_len = MAX(state_len, strlen(j->state));
2226 }
2227
2228 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2229 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2230 shorten = true;
2231 }
2232
2233 if (!arg_no_legend)
2234 printf("%*s %-*s %-*s %-*s\n",
2235 id_len, "JOB",
2236 unit_len, "UNIT",
2237 type_len, "TYPE",
2238 state_len, "STATE");
2239
2240 for (j = jobs; j < jobs + n; j++) {
2241 _cleanup_free_ char *e = NULL;
2242
2243 if (streq(j->state, "running")) {
2244 on = ansi_highlight();
2245 off = ansi_normal();
2246 } else
2247 on = off = "";
2248
2249 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2250 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2251 id_len, j->id,
2252 on, unit_len, e ? e : j->name, off,
2253 type_len, j->type,
2254 on, state_len, j->state, off);
2255
2256 if (arg_jobs_after)
2257 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2258 if (arg_jobs_before)
2259 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2260 }
2261
2262 if (!arg_no_legend) {
2263 on = ansi_highlight();
2264 off = ansi_normal();
2265
2266 printf("\n%s%u jobs listed%s.\n", on, n, off);
2267 }
2268 }
2269
2270 static bool output_show_job(struct job_info *job, char **patterns) {
2271 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2272 }
2273
2274 static int list_jobs(int argc, char *argv[], void *userdata) {
2275 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2276 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2277 _cleanup_free_ struct job_info *jobs = NULL;
2278 const char *name, *type, *state;
2279 bool skipped = false;
2280 size_t size = 0;
2281 unsigned c = 0;
2282 sd_bus *bus;
2283 uint32_t id;
2284 int r;
2285
2286 r = acquire_bus(BUS_MANAGER, &bus);
2287 if (r < 0)
2288 return r;
2289
2290 r = sd_bus_call_method(
2291 bus,
2292 "org.freedesktop.systemd1",
2293 "/org/freedesktop/systemd1",
2294 "org.freedesktop.systemd1.Manager",
2295 "ListJobs",
2296 &error,
2297 &reply,
2298 NULL);
2299 if (r < 0)
2300 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2301
2302 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2303 if (r < 0)
2304 return bus_log_parse_error(r);
2305
2306 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2307 struct job_info job = { id, name, type, state };
2308
2309 if (!output_show_job(&job, strv_skip(argv, 1))) {
2310 skipped = true;
2311 continue;
2312 }
2313
2314 if (!GREEDY_REALLOC(jobs, size, c + 1))
2315 return log_oom();
2316
2317 jobs[c++] = job;
2318 }
2319 if (r < 0)
2320 return bus_log_parse_error(r);
2321
2322 r = sd_bus_message_exit_container(reply);
2323 if (r < 0)
2324 return bus_log_parse_error(r);
2325
2326 (void) pager_open(arg_pager_flags);
2327
2328 output_jobs_list(bus, jobs, c, skipped);
2329 return 0;
2330 }
2331
2332 static int cancel_job(int argc, char *argv[], void *userdata) {
2333 sd_bus *bus;
2334 char **name;
2335 int r = 0;
2336
2337 if (argc <= 1)
2338 return trivial_method(argc, argv, userdata);
2339
2340 r = acquire_bus(BUS_MANAGER, &bus);
2341 if (r < 0)
2342 return r;
2343
2344 polkit_agent_open_maybe();
2345
2346 STRV_FOREACH(name, strv_skip(argv, 1)) {
2347 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2348 uint32_t id;
2349 int q;
2350
2351 q = safe_atou32(*name, &id);
2352 if (q < 0)
2353 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2354
2355 q = sd_bus_call_method(
2356 bus,
2357 "org.freedesktop.systemd1",
2358 "/org/freedesktop/systemd1",
2359 "org.freedesktop.systemd1.Manager",
2360 "CancelJob",
2361 &error,
2362 NULL,
2363 "u", id);
2364 if (q < 0) {
2365 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2366 if (r == 0)
2367 r = q;
2368 }
2369 }
2370
2371 return r;
2372 }
2373
2374 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2375 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2376 const char *path;
2377 int b, r;
2378
2379 /* We ignore all errors here, since this is used to show a
2380 * warning only */
2381
2382 /* We don't use unit_dbus_path_from_name() directly since we
2383 * don't want to load the unit if it isn't loaded. */
2384
2385 r = sd_bus_call_method(
2386 bus,
2387 "org.freedesktop.systemd1",
2388 "/org/freedesktop/systemd1",
2389 "org.freedesktop.systemd1.Manager",
2390 "GetUnit",
2391 NULL,
2392 &reply,
2393 "s", unit);
2394 if (r < 0)
2395 return r;
2396
2397 r = sd_bus_message_read(reply, "o", &path);
2398 if (r < 0)
2399 return r;
2400
2401 r = sd_bus_get_property_trivial(
2402 bus,
2403 "org.freedesktop.systemd1",
2404 path,
2405 "org.freedesktop.systemd1.Unit",
2406 "NeedDaemonReload",
2407 NULL,
2408 'b', &b);
2409 if (r < 0)
2410 return r;
2411
2412 return b;
2413 }
2414
2415 static void warn_unit_file_changed(const char *name) {
2416 assert(name);
2417
2418 log_warning("%sWarning:%s The unit file, source configuration file or drop-ins of %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.",
2419 ansi_highlight_red(),
2420 ansi_normal(),
2421 name,
2422 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2423 }
2424
2425 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2426 char **p;
2427
2428 assert(lp);
2429 assert(unit_name);
2430
2431 STRV_FOREACH(p, lp->search_path) {
2432 _cleanup_free_ char *path = NULL, *lpath = NULL;
2433 int r;
2434
2435 path = path_join(*p, unit_name);
2436 if (!path)
2437 return log_oom();
2438
2439 r = chase_symlinks(path, arg_root, 0, &lpath);
2440 if (r == -ENOENT)
2441 continue;
2442 if (r == -ENOMEM)
2443 return log_oom();
2444 if (r < 0)
2445 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2446
2447 if (ret_unit_path)
2448 *ret_unit_path = TAKE_PTR(lpath);
2449
2450 return 1;
2451 }
2452
2453 if (ret_unit_path)
2454 *ret_unit_path = NULL;
2455
2456 return 0;
2457 }
2458
2459 static int unit_find_template_path(
2460 const char *unit_name,
2461 LookupPaths *lp,
2462 char **ret_fragment_path,
2463 char **ret_template) {
2464
2465 _cleanup_free_ char *t = NULL, *f = NULL;
2466 int r;
2467
2468 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2469
2470 r = unit_file_find_path(lp, unit_name, &f);
2471 if (r < 0)
2472 return r;
2473 if (r > 0) {
2474 if (ret_fragment_path)
2475 *ret_fragment_path = TAKE_PTR(f);
2476 if (ret_template)
2477 *ret_template = NULL;
2478 return r; /* found a real unit */
2479 }
2480
2481 r = unit_name_template(unit_name, &t);
2482 if (r == -EINVAL) {
2483 if (ret_fragment_path)
2484 *ret_fragment_path = NULL;
2485 if (ret_template)
2486 *ret_template = NULL;
2487
2488 return 0; /* not a template, does not exist */
2489 }
2490 if (r < 0)
2491 return log_error_errno(r, "Failed to determine template name: %m");
2492
2493 r = unit_file_find_path(lp, t, ret_fragment_path);
2494 if (r < 0)
2495 return r;
2496
2497 if (ret_template)
2498 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2499
2500 return r;
2501 }
2502
2503 static int unit_find_paths(
2504 sd_bus *bus,
2505 const char *unit_name,
2506 LookupPaths *lp,
2507 bool force_client_side,
2508 char **ret_fragment_path,
2509 char ***ret_dropin_paths) {
2510
2511 _cleanup_strv_free_ char **dropins = NULL;
2512 _cleanup_free_ char *path = NULL;
2513 int r;
2514
2515 /**
2516 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2517 * found, and sets:
2518 * - the path to the unit in *ret_frament_path, if it exists on disk,
2519 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2520 * were found.
2521 *
2522 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2523 * some reason (the latter only applies if we are going through the service manager).
2524 */
2525
2526 assert(unit_name);
2527 assert(ret_fragment_path);
2528 assert(lp);
2529
2530 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2531 if (!force_client_side &&
2532 !install_client_side() &&
2533 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2534 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2535 _cleanup_free_ char *load_state = NULL, *unit = NULL;
2536
2537 unit = unit_dbus_path_from_name(unit_name);
2538 if (!unit)
2539 return log_oom();
2540
2541 r = sd_bus_get_property_string(
2542 bus,
2543 "org.freedesktop.systemd1",
2544 unit,
2545 "org.freedesktop.systemd1.Unit",
2546 "LoadState",
2547 &error,
2548 &load_state);
2549 if (r < 0)
2550 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2551
2552 if (streq(load_state, "masked"))
2553 return -ERFKILL;
2554 if (streq(load_state, "not-found")) {
2555 r = 0;
2556 goto not_found;
2557 }
2558 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2559 return -EKEYREJECTED;
2560
2561 r = sd_bus_get_property_string(
2562 bus,
2563 "org.freedesktop.systemd1",
2564 unit,
2565 "org.freedesktop.systemd1.Unit",
2566 "FragmentPath",
2567 &error,
2568 &path);
2569 if (r < 0)
2570 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2571
2572 if (ret_dropin_paths) {
2573 r = sd_bus_get_property_strv(
2574 bus,
2575 "org.freedesktop.systemd1",
2576 unit,
2577 "org.freedesktop.systemd1.Unit",
2578 "DropInPaths",
2579 &error,
2580 &dropins);
2581 if (r < 0)
2582 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2583 }
2584 } else {
2585 _cleanup_set_free_ Set *names = NULL;
2586 _cleanup_free_ char *template = NULL;
2587
2588 names = set_new(NULL);
2589 if (!names)
2590 return log_oom();
2591
2592 r = unit_find_template_path(unit_name, lp, &path, &template);
2593 if (r < 0)
2594 return r;
2595 if (r > 0) {
2596 if (null_or_empty_path(path))
2597 /* The template is masked. Let's cut the process short. */
2598 return -ERFKILL;
2599
2600 /* We found the unit file. If we followed symlinks, this name might be
2601 * different then the unit_name with started with. Look for dropins matching
2602 * that "final" name. */
2603 r = set_put(names, basename(path));
2604 } else if (!template)
2605 /* No unit file, let's look for dropins matching the original name.
2606 * systemd has fairly complicated rules (based on unit type and provenience),
2607 * which units are allowed not to have the main unit file. We err on the
2608 * side of including too many files, and always try to load dropins. */
2609 r = set_put(names, unit_name);
2610 else
2611 /* The cases where we allow a unit to exist without the main file are
2612 * never valid for templates. Don't try to load dropins in this case. */
2613 goto not_found;
2614
2615 if (r < 0)
2616 return log_error_errno(r, "Failed to add unit name: %m");
2617
2618 if (ret_dropin_paths) {
2619 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, NULL, names, &dropins);
2620 if (r < 0)
2621 return r;
2622 }
2623 }
2624
2625 r = 0;
2626
2627 if (!isempty(path)) {
2628 *ret_fragment_path = TAKE_PTR(path);
2629 r = 1;
2630 } else
2631 *ret_fragment_path = NULL;
2632
2633 if (ret_dropin_paths) {
2634 if (!strv_isempty(dropins)) {
2635 *ret_dropin_paths = TAKE_PTR(dropins);
2636 r = 1;
2637 } else
2638 *ret_dropin_paths = NULL;
2639 }
2640
2641 not_found:
2642 if (r == 0 && !arg_force)
2643 log_error("No files found for %s.", unit_name);
2644
2645 return r;
2646 }
2647
2648 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2649 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2650 _cleanup_free_ char *buf = NULL, *path = NULL;
2651 UnitActiveState state;
2652 int r;
2653
2654 assert(name);
2655 assert(active_state);
2656
2657 path = unit_dbus_path_from_name(name);
2658 if (!path)
2659 return log_oom();
2660
2661 r = sd_bus_get_property_string(
2662 bus,
2663 "org.freedesktop.systemd1",
2664 path,
2665 "org.freedesktop.systemd1.Unit",
2666 "ActiveState",
2667 &error,
2668 &buf);
2669 if (r < 0)
2670 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2671
2672 state = unit_active_state_from_string(buf);
2673 if (state < 0)
2674 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2675
2676 *active_state = state;
2677 return 0;
2678 }
2679
2680 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2681 _cleanup_free_ char *load_state = NULL;
2682 int r;
2683
2684 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2685 _cleanup_free_ char *path = NULL;
2686
2687 /* A template cannot be loaded, but it can be still masked, so
2688 * we need to use a different method. */
2689
2690 r = unit_file_find_path(lp, name, &path);
2691 if (r < 0)
2692 return r;
2693 if (r == 0)
2694 return false;
2695 return null_or_empty_path(path);
2696 }
2697
2698 r = unit_load_state(bus, name, &load_state);
2699 if (r < 0)
2700 return r;
2701
2702 return streq(load_state, "masked");
2703 }
2704
2705 static int check_triggering_units(sd_bus *bus, const char *name) {
2706 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2707 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2708 _cleanup_strv_free_ char **triggered_by = NULL;
2709 bool print_warning_label = true;
2710 UnitActiveState active_state;
2711 char **i;
2712 int r;
2713
2714 r = unit_name_mangle(name, 0, &n);
2715 if (r < 0)
2716 return log_error_errno(r, "Failed to mangle unit name: %m");
2717
2718 r = unit_load_state(bus, name, &load_state);
2719 if (r < 0)
2720 return r;
2721
2722 if (streq(load_state, "masked"))
2723 return 0;
2724
2725 path = unit_dbus_path_from_name(n);
2726 if (!path)
2727 return log_oom();
2728
2729 r = sd_bus_get_property_strv(
2730 bus,
2731 "org.freedesktop.systemd1",
2732 path,
2733 "org.freedesktop.systemd1.Unit",
2734 "TriggeredBy",
2735 &error,
2736 &triggered_by);
2737 if (r < 0)
2738 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2739
2740 STRV_FOREACH(i, triggered_by) {
2741 r = get_state_one_unit(bus, *i, &active_state);
2742 if (r < 0)
2743 return r;
2744
2745 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2746 continue;
2747
2748 if (print_warning_label) {
2749 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2750 print_warning_label = false;
2751 }
2752
2753 log_warning(" %s", *i);
2754 }
2755
2756 return 0;
2757 }
2758
2759 static const struct {
2760 const char *verb; /* systemctl verb */
2761 const char *method; /* Name of the specific D-Bus method */
2762 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2763 } unit_actions[] = {
2764 { "start", "StartUnit", "start" },
2765 { "stop", "StopUnit", "stop" },
2766 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2767 { "reload", "ReloadUnit", "reload" },
2768 { "restart", "RestartUnit", "restart" },
2769 { "try-restart", "TryRestartUnit", "try-restart" },
2770 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2771 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2772 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2773 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2774 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2775 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2776 };
2777
2778 static const char *verb_to_method(const char *verb) {
2779 size_t i;
2780
2781 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2782 if (streq_ptr(unit_actions[i].verb, verb))
2783 return unit_actions[i].method;
2784
2785 return "StartUnit";
2786 }
2787
2788 static const char *verb_to_job_type(const char *verb) {
2789 size_t i;
2790
2791 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2792 if (streq_ptr(unit_actions[i].verb, verb))
2793 return unit_actions[i].job_type;
2794
2795 return "start";
2796 }
2797
2798 static int start_unit_one(
2799 sd_bus *bus,
2800 const char *method, /* When using classic per-job bus methods */
2801 const char *job_type, /* When using new-style EnqueueUnitJob() */
2802 const char *name,
2803 const char *mode,
2804 sd_bus_error *error,
2805 BusWaitForJobs *w,
2806 BusWaitForUnits *wu) {
2807
2808 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2809 const char *path;
2810 bool done = false;
2811 int r;
2812
2813 assert(method);
2814 assert(name);
2815 assert(mode);
2816 assert(error);
2817
2818 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2819 arg_dry_run ? "Would execute" : "Executing",
2820 method, name, mode);
2821
2822 if (arg_dry_run)
2823 return 0;
2824
2825 if (arg_show_transaction) {
2826 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2827
2828 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2829 r = sd_bus_call_method(
2830 bus,
2831 "org.freedesktop.systemd1",
2832 "/org/freedesktop/systemd1",
2833 "org.freedesktop.systemd1.Manager",
2834 "EnqueueUnitJob",
2835 &enqueue_error,
2836 &reply,
2837 "sss",
2838 name, job_type, mode);
2839 if (r < 0) {
2840 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2841 (void) sd_bus_error_move(error, &enqueue_error);
2842 goto fail;
2843 }
2844
2845 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2846 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2847 } else {
2848 const char *u, *jt;
2849 uint32_t id;
2850
2851 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2852 if (r < 0)
2853 return bus_log_parse_error(r);
2854
2855 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2856
2857 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2858 if (r < 0)
2859 return bus_log_parse_error(r);
2860 for (;;) {
2861 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2862 if (r < 0)
2863 return bus_log_parse_error(r);
2864 if (r == 0)
2865 break;
2866
2867 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2868 }
2869
2870 r = sd_bus_message_exit_container(reply);
2871 if (r < 0)
2872 return bus_log_parse_error(r);
2873
2874 done = true;
2875 }
2876 }
2877
2878 if (!done) {
2879 r = sd_bus_call_method(
2880 bus,
2881 "org.freedesktop.systemd1",
2882 "/org/freedesktop/systemd1",
2883 "org.freedesktop.systemd1.Manager",
2884 method,
2885 error,
2886 &reply,
2887 "ss", name, mode);
2888 if (r < 0)
2889 goto fail;
2890
2891 r = sd_bus_message_read(reply, "o", &path);
2892 if (r < 0)
2893 return bus_log_parse_error(r);
2894 }
2895
2896 if (need_daemon_reload(bus, name) > 0)
2897 warn_unit_file_changed(name);
2898
2899 if (w) {
2900 log_debug("Adding %s to the set", path);
2901 r = bus_wait_for_jobs_add(w, path);
2902 if (r < 0)
2903 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2904 }
2905
2906 if (wu) {
2907 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2908 if (r < 0)
2909 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2910 }
2911
2912 return 0;
2913
2914 fail:
2915 /* There's always a fallback possible for legacy actions. */
2916 if (arg_action != ACTION_SYSTEMCTL)
2917 return r;
2918
2919 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2920
2921 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2922 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2923 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2924 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2925 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2926 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2927 name[0] == '-' ? " --" : "",
2928 name);
2929
2930 return r;
2931 }
2932
2933 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2934 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2935 char **name;
2936 int r, i;
2937
2938 assert(bus);
2939 assert(ret);
2940
2941 STRV_FOREACH(name, names) {
2942 char *t;
2943 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2944
2945 if (suffix)
2946 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2947 else
2948 r = unit_name_mangle(*name, options, &t);
2949 if (r < 0)
2950 return log_error_errno(r, "Failed to mangle name: %m");
2951
2952 if (string_is_glob(t))
2953 r = strv_consume(&globs, t);
2954 else
2955 r = strv_consume(&mangled, t);
2956 if (r < 0)
2957 return log_oom();
2958 }
2959
2960 /* Query the manager only if any of the names are a glob, since
2961 * this is fairly expensive */
2962 if (!strv_isempty(globs)) {
2963 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2964 _cleanup_free_ UnitInfo *unit_infos = NULL;
2965 size_t allocated, n;
2966
2967 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2968 if (r < 0)
2969 return r;
2970
2971 n = strv_length(mangled);
2972 allocated = n + 1;
2973
2974 for (i = 0; i < r; i++) {
2975 if (!GREEDY_REALLOC(mangled, allocated, n+2))
2976 return log_oom();
2977
2978 mangled[n] = strdup(unit_infos[i].id);
2979 if (!mangled[n])
2980 return log_oom();
2981
2982 mangled[++n] = NULL;
2983 }
2984 }
2985
2986 *ret = TAKE_PTR(mangled);
2987 return 0;
2988 }
2989
2990 static const struct {
2991 const char *target;
2992 const char *verb;
2993 const char *mode;
2994 } action_table[_ACTION_MAX] = {
2995 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2996 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2997 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2998 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2999 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3000 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3001 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3002 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3003 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3004 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3005 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3006 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3007 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3008 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3009 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3010 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3011 };
3012
3013 static enum action verb_to_action(const char *verb) {
3014 enum action i;
3015
3016 for (i = 0; i < _ACTION_MAX; i++)
3017 if (streq_ptr(action_table[i].verb, verb))
3018 return i;
3019
3020 return _ACTION_INVALID;
3021 }
3022
3023 static const char** make_extra_args(const char *extra_args[static 4]) {
3024 size_t n = 0;
3025
3026 assert(extra_args);
3027
3028 if (arg_scope != UNIT_FILE_SYSTEM)
3029 extra_args[n++] = "--user";
3030
3031 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3032 extra_args[n++] = "-H";
3033 extra_args[n++] = arg_host;
3034 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3035 extra_args[n++] = "-M";
3036 extra_args[n++] = arg_host;
3037 } else
3038 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3039
3040 extra_args[n] = NULL;
3041 return extra_args;
3042 }
3043
3044 static int start_unit(int argc, char *argv[], void *userdata) {
3045 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3046 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3047 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3048 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3049 _cleanup_strv_free_ char **names = NULL;
3050 int r, ret = EXIT_SUCCESS;
3051 sd_bus *bus;
3052 char **name;
3053
3054 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3055 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3056 "--wait may only be used with the 'start' or 'restart' commands.");
3057
3058 /* we cannot do sender tracking on the private bus, so we need the full
3059 * one for RefUnit to implement --wait */
3060 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3061 if (r < 0)
3062 return r;
3063
3064 ask_password_agent_open_if_enabled();
3065 polkit_agent_open_maybe();
3066
3067 if (arg_action == ACTION_SYSTEMCTL) {
3068 enum action action;
3069
3070 action = verb_to_action(argv[0]);
3071
3072 if (action != _ACTION_INVALID) {
3073 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3074 method = "StartUnit";
3075 job_type = "start";
3076 mode = action_table[action].mode;
3077 one_name = action_table[action].target;
3078 } else {
3079 if (streq(argv[0], "isolate")) {
3080 /* A "systemctl isolate <unit1> <unit2> …" command */
3081 method = "StartUnit";
3082 job_type = "start";
3083 mode = "isolate";
3084 suffix = ".target";
3085 } else {
3086 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3087 method = verb_to_method(argv[0]);
3088 job_type = verb_to_job_type(argv[0]);
3089 mode = arg_job_mode;
3090 }
3091 one_name = NULL;
3092 }
3093 } else {
3094 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3095 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3096 assert(action_table[arg_action].target);
3097 assert(action_table[arg_action].mode);
3098
3099 method = "StartUnit";
3100 job_type = "start";
3101 mode = action_table[arg_action].mode;
3102 one_name = action_table[arg_action].target;
3103 }
3104
3105 if (one_name) {
3106 names = strv_new(one_name);
3107 if (!names)
3108 return log_oom();
3109 } else {
3110 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3111 if (r < 0)
3112 return log_error_errno(r, "Failed to expand names: %m");
3113 }
3114
3115 if (!arg_no_block) {
3116 r = bus_wait_for_jobs_new(bus, &w);
3117 if (r < 0)
3118 return log_error_errno(r, "Could not watch jobs: %m");
3119 }
3120
3121 if (arg_wait) {
3122 r = sd_bus_call_method_async(
3123 bus,
3124 NULL,
3125 "org.freedesktop.systemd1",
3126 "/org/freedesktop/systemd1",
3127 "org.freedesktop.systemd1.Manager",
3128 "Subscribe",
3129 NULL, NULL,
3130 NULL);
3131 if (r < 0)
3132 return log_error_errno(r, "Failed to enable subscription: %m");
3133
3134 r = bus_wait_for_units_new(bus, &wu);
3135 if (r < 0)
3136 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3137 }
3138
3139 STRV_FOREACH(name, names) {
3140 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3141
3142 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3143 if (ret == EXIT_SUCCESS && r < 0)
3144 ret = translate_bus_error_to_exit_status(r, &error);
3145
3146 if (r >= 0 && streq(method, "StopUnit")) {
3147 r = strv_push(&stopped_units, *name);
3148 if (r < 0)
3149 return log_oom();
3150 }
3151 }
3152
3153 if (!arg_no_block) {
3154 const char* extra_args[4];
3155
3156 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3157 if (r < 0)
3158 return r;
3159
3160 /* When stopping units, warn if they can still be triggered by
3161 * another active unit (socket, path, timer) */
3162 if (!arg_quiet)
3163 STRV_FOREACH(name, stopped_units)
3164 (void) check_triggering_units(bus, *name);
3165 }
3166
3167 if (arg_wait) {
3168 r = bus_wait_for_units_run(wu);
3169 if (r < 0)
3170 return log_error_errno(r, "Failed to wait for units: %m");
3171 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3172 ret = EXIT_FAILURE;
3173 }
3174
3175 return ret;
3176 }
3177
3178 #if ENABLE_LOGIND
3179 static int logind_set_wall_message(void) {
3180 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3181 sd_bus *bus;
3182 _cleanup_free_ char *m = NULL;
3183 int r;
3184
3185 r = acquire_bus(BUS_FULL, &bus);
3186 if (r < 0)
3187 return r;
3188
3189 m = strv_join(arg_wall, " ");
3190 if (!m)
3191 return log_oom();
3192
3193 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3194 if (arg_dry_run)
3195 return 0;
3196
3197 r = sd_bus_call_method(
3198 bus,
3199 "org.freedesktop.login1",
3200 "/org/freedesktop/login1",
3201 "org.freedesktop.login1.Manager",
3202 "SetWallMessage",
3203 &error,
3204 NULL,
3205 "sb",
3206 m,
3207 !arg_no_wall);
3208
3209 if (r < 0)
3210 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3211 return 0;
3212 }
3213 #endif
3214
3215 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3216 static int logind_reboot(enum action a) {
3217 #if ENABLE_LOGIND
3218 static const struct {
3219 const char *method;
3220 const char *description;
3221 } actions[_ACTION_MAX] = {
3222 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3223 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3224 [ACTION_HALT] = { "Halt", "halt system" },
3225 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3226 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3227 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3228 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3229 };
3230
3231 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3232 sd_bus *bus;
3233 int r;
3234
3235 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3236 return -EINVAL;
3237
3238 r = acquire_bus(BUS_FULL, &bus);
3239 if (r < 0)
3240 return r;
3241
3242 polkit_agent_open_maybe();
3243 (void) logind_set_wall_message();
3244
3245 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3246
3247 if (arg_dry_run)
3248 return 0;
3249
3250 r = sd_bus_call_method(
3251 bus,
3252 "org.freedesktop.login1",
3253 "/org/freedesktop/login1",
3254 "org.freedesktop.login1.Manager",
3255 actions[a].method,
3256 &error,
3257 NULL,
3258 "b", arg_ask_password);
3259 if (r < 0)
3260 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3261
3262 return 0;
3263 #else
3264 return -ENOSYS;
3265 #endif
3266 }
3267
3268 static int logind_check_inhibitors(enum action a) {
3269 #if ENABLE_LOGIND
3270 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3271 _cleanup_strv_free_ char **sessions = NULL;
3272 const char *what, *who, *why, *mode;
3273 uint32_t uid, pid;
3274 sd_bus *bus;
3275 unsigned c = 0;
3276 char **s;
3277 int r;
3278
3279 if (arg_ignore_inhibitors || arg_force > 0)
3280 return 0;
3281
3282 if (arg_when > 0)
3283 return 0;
3284
3285 if (geteuid() == 0)
3286 return 0;
3287
3288 if (!on_tty())
3289 return 0;
3290
3291 if (arg_transport != BUS_TRANSPORT_LOCAL)
3292 return 0;
3293
3294 r = acquire_bus(BUS_FULL, &bus);
3295 if (r < 0)
3296 return r;
3297
3298 r = sd_bus_call_method(
3299 bus,
3300 "org.freedesktop.login1",
3301 "/org/freedesktop/login1",
3302 "org.freedesktop.login1.Manager",
3303 "ListInhibitors",
3304 NULL,
3305 &reply,
3306 NULL);
3307 if (r < 0)
3308 /* If logind is not around, then there are no inhibitors... */
3309 return 0;
3310
3311 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3312 if (r < 0)
3313 return bus_log_parse_error(r);
3314
3315 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3316 _cleanup_free_ char *comm = NULL, *user = NULL;
3317 _cleanup_strv_free_ char **sv = NULL;
3318
3319 if (!streq(mode, "block"))
3320 continue;
3321
3322 sv = strv_split(what, ":");
3323 if (!sv)
3324 return log_oom();
3325
3326 if (!pid_is_valid((pid_t) pid))
3327 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3328
3329 if (!strv_contains(sv,
3330 IN_SET(a,
3331 ACTION_HALT,
3332 ACTION_POWEROFF,
3333 ACTION_REBOOT,
3334 ACTION_KEXEC) ? "shutdown" : "sleep"))
3335 continue;
3336
3337 get_process_comm(pid, &comm);
3338 user = uid_to_name(uid);
3339
3340 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3341 who, (pid_t) pid, strna(comm), strna(user), why);
3342
3343 c++;
3344 }
3345 if (r < 0)
3346 return bus_log_parse_error(r);
3347
3348 r = sd_bus_message_exit_container(reply);
3349 if (r < 0)
3350 return bus_log_parse_error(r);
3351
3352 /* Check for current sessions */
3353 sd_get_sessions(&sessions);
3354 STRV_FOREACH(s, sessions) {
3355 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3356
3357 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3358 continue;
3359
3360 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3361 continue;
3362
3363 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3364 continue;
3365
3366 sd_session_get_tty(*s, &tty);
3367 sd_session_get_seat(*s, &seat);
3368 sd_session_get_service(*s, &service);
3369 user = uid_to_name(uid);
3370
3371 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3372 c++;
3373 }
3374
3375 if (c <= 0)
3376 return 0;
3377
3378 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3379 action_table[a].verb);
3380
3381 return -EPERM;
3382 #else
3383 return 0;
3384 #endif
3385 }
3386
3387 static int prepare_firmware_setup(void) {
3388
3389 if (!arg_firmware_setup)
3390 return 0;
3391
3392 #if ENABLE_LOGIND
3393 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3394 sd_bus *bus;
3395 int r;
3396
3397 r = acquire_bus(BUS_FULL, &bus);
3398 if (r < 0)
3399 return r;
3400
3401 r = sd_bus_call_method(
3402 bus,
3403 "org.freedesktop.login1",
3404 "/org/freedesktop/login1",
3405 "org.freedesktop.login1.Manager",
3406 "SetRebootToFirmwareSetup",
3407 &error,
3408 NULL,
3409 "b", true);
3410 if (r < 0)
3411 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3412
3413 return 0;
3414 #else
3415 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3416 "Booting into firmware setup not supported.");
3417 #endif
3418 }
3419
3420 static int prepare_boot_loader_menu(void) {
3421
3422 if (arg_boot_loader_menu == USEC_INFINITY)
3423 return 0;
3424
3425 #if ENABLE_LOGIND
3426 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3427 sd_bus *bus;
3428 int r;
3429
3430 r = acquire_bus(BUS_FULL, &bus);
3431 if (r < 0)
3432 return r;
3433
3434 r = sd_bus_call_method(
3435 bus,
3436 "org.freedesktop.login1",
3437 "/org/freedesktop/login1",
3438 "org.freedesktop.login1.Manager",
3439 "SetRebootToBootLoaderMenu",
3440 &error,
3441 NULL,
3442 "t", arg_boot_loader_menu);
3443 if (r < 0)
3444 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3445
3446 return 0;
3447 #else
3448 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3449 "Booting into boot loader menu not supported.");
3450 #endif
3451 }
3452
3453 static int prepare_boot_loader_entry(void) {
3454
3455 if (!arg_boot_loader_entry)
3456 return 0;
3457
3458 #if ENABLE_LOGIND
3459 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3460 sd_bus *bus;
3461 int r;
3462
3463 r = acquire_bus(BUS_FULL, &bus);
3464 if (r < 0)
3465 return r;
3466
3467 r = sd_bus_call_method(
3468 bus,
3469 "org.freedesktop.login1",
3470 "/org/freedesktop/login1",
3471 "org.freedesktop.login1.Manager",
3472 "SetRebootToBootLoaderEntry",
3473 &error,
3474 NULL,
3475 "s", arg_boot_loader_entry);
3476 if (r < 0)
3477 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3478
3479 return 0;
3480 #else
3481 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3482 "Booting into boot loader entry not supported.");
3483 #endif
3484 }
3485
3486 static int load_kexec_kernel(void) {
3487 _cleanup_(boot_config_free) BootConfig config = {};
3488 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3489 const BootEntry *e;
3490 pid_t pid;
3491 int r;
3492
3493 if (kexec_loaded()) {
3494 log_debug("Kexec kernel already loaded.");
3495 return 0;
3496 }
3497
3498 if (access(KEXEC, X_OK) < 0)
3499 return log_error_errno(errno, KEXEC" is not available: %m");
3500
3501 r = boot_entries_load_config_auto(NULL, NULL, &config);
3502 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3503 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3504 if (r < 0)
3505 return r;
3506
3507 e = boot_config_default_entry(&config);
3508 if (!e)
3509 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3510 "No boot loader entry suitable as default, refusing to guess.");
3511
3512 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3513
3514 if (!e->kernel)
3515 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3516 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3517 if (strv_length(e->initrd) > 1)
3518 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3519 "Boot entry specifies multiple initrds, which is not supported currently.");
3520
3521 kernel = path_join(e->root, e->kernel);
3522 if (!kernel)
3523 return log_oom();
3524
3525 if (!strv_isempty(e->initrd)) {
3526 initrd = path_join(e->root, e->initrd[0]);
3527 if (!initrd)
3528 return log_oom();
3529 }
3530
3531 options = strv_join(e->options, " ");
3532 if (!options)
3533 return log_oom();
3534
3535 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3536 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3537 arg_dry_run ? "Would run" : "Running",
3538 kernel,
3539 options,
3540 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3541 if (arg_dry_run)
3542 return 0;
3543
3544 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3545 if (r < 0)
3546 return r;
3547 if (r == 0) {
3548 const char* const args[] = {
3549 KEXEC,
3550 "--load", kernel,
3551 "--append", options,
3552 initrd ? "--initrd" : NULL, initrd,
3553 NULL
3554 };
3555
3556 /* Child */
3557 execv(args[0], (char * const *) args);
3558 _exit(EXIT_FAILURE);
3559 }
3560
3561 return 0;
3562 }
3563
3564 static int set_exit_code(uint8_t code) {
3565 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3566 sd_bus *bus;
3567 int r;
3568
3569 r = acquire_bus(BUS_MANAGER, &bus);
3570 if (r < 0)
3571 return r;
3572
3573 r = sd_bus_call_method(
3574 bus,
3575 "org.freedesktop.systemd1",
3576 "/org/freedesktop/systemd1",
3577 "org.freedesktop.systemd1.Manager",
3578 "SetExitCode",
3579 &error,
3580 NULL,
3581 "y", code);
3582 if (r < 0)
3583 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3584
3585 return 0;
3586 }
3587
3588 static int start_special(int argc, char *argv[], void *userdata) {
3589 enum action a;
3590 int r;
3591 bool termination_action; /* an action that terminates the manager,
3592 * can be performed also by signal. */
3593
3594 assert(argv);
3595
3596 a = verb_to_action(argv[0]);
3597
3598 r = logind_check_inhibitors(a);
3599 if (r < 0)
3600 return r;
3601
3602 if (arg_force >= 2) {
3603 r = must_be_root();
3604 if (r < 0)
3605 return r;
3606 }
3607
3608 r = prepare_firmware_setup();
3609 if (r < 0)
3610 return r;
3611
3612 r = prepare_boot_loader_menu();
3613 if (r < 0)
3614 return r;
3615
3616 r = prepare_boot_loader_entry();
3617 if (r < 0)
3618 return r;
3619
3620 if (a == ACTION_REBOOT && argc > 1) {
3621 r = update_reboot_parameter_and_warn(argv[1], false);
3622 if (r < 0)
3623 return r;
3624
3625 } else if (a == ACTION_KEXEC) {
3626 r = load_kexec_kernel();
3627 if (r < 0 && arg_force >= 1)
3628 log_notice("Failed to load kexec kernel, continuing without.");
3629 else if (r < 0)
3630 return r;
3631
3632 } else if (a == ACTION_EXIT && argc > 1) {
3633 uint8_t code;
3634
3635 /* If the exit code is not given on the command line,
3636 * don't reset it to zero: just keep it as it might
3637 * have been set previously. */
3638
3639 r = safe_atou8(argv[1], &code);
3640 if (r < 0)
3641 return log_error_errno(r, "Invalid exit code.");
3642
3643 r = set_exit_code(code);
3644 if (r < 0)
3645 return r;
3646 }
3647
3648 termination_action = IN_SET(a,
3649 ACTION_HALT,
3650 ACTION_POWEROFF,
3651 ACTION_REBOOT);
3652 if (termination_action && arg_force >= 2)
3653 return halt_now(a);
3654
3655 if (arg_force >= 1 &&
3656 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3657 r = trivial_method(argc, argv, userdata);
3658 else {
3659 /* First try logind, to allow authentication with polkit */
3660 if (IN_SET(a,
3661 ACTION_POWEROFF,
3662 ACTION_REBOOT,
3663 ACTION_HALT,
3664 ACTION_SUSPEND,
3665 ACTION_HIBERNATE,
3666 ACTION_HYBRID_SLEEP,
3667 ACTION_SUSPEND_THEN_HIBERNATE)) {
3668
3669 r = logind_reboot(a);
3670 if (r >= 0)
3671 return r;
3672 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3673 /* requested operation is not supported or already in progress */
3674 return r;
3675
3676 /* On all other errors, try low-level operation. In order to minimize the difference between
3677 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3678 * logind's shutdown operations are always non-blocking. */
3679
3680 arg_no_block = true;
3681
3682 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3683 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3684 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3685 arg_no_block = true;
3686
3687 r = start_unit(argc, argv, userdata);
3688 }
3689
3690 if (termination_action && arg_force < 2 &&
3691 IN_SET(r, -ENOENT, -ETIMEDOUT))
3692 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3693
3694 return r;
3695 }
3696
3697 static int start_system_special(int argc, char *argv[], void *userdata) {
3698 /* Like start_special above, but raises an error when running in user mode */
3699
3700 if (arg_scope != UNIT_FILE_SYSTEM)
3701 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3702 "Bad action for %s mode.",
3703 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3704
3705 return start_special(argc, argv, userdata);
3706 }
3707
3708 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3709 _cleanup_strv_free_ char **names = NULL;
3710 UnitActiveState active_state;
3711 sd_bus *bus;
3712 char **name;
3713 int r, i;
3714 bool found = false;
3715
3716 r = acquire_bus(BUS_MANAGER, &bus);
3717 if (r < 0)
3718 return r;
3719
3720 r = expand_names(bus, args, NULL, &names);
3721 if (r < 0)
3722 return log_error_errno(r, "Failed to expand names: %m");
3723
3724 STRV_FOREACH(name, names) {
3725 r = get_state_one_unit(bus, *name, &active_state);
3726 if (r < 0)
3727 return r;
3728
3729 if (!arg_quiet)
3730 puts(unit_active_state_to_string(active_state));
3731
3732 for (i = 0; i < nb_states; ++i)
3733 if (good_states[i] == active_state)
3734 found = true;
3735 }
3736
3737 /* use the given return code for the case that we won't find
3738 * any unit which matches the list */
3739 return found ? 0 : code;
3740 }
3741
3742 static int check_unit_active(int argc, char *argv[], void *userdata) {
3743 static const UnitActiveState states[] = {
3744 UNIT_ACTIVE,
3745 UNIT_RELOADING,
3746 };
3747
3748 /* According to LSB: 3, "program is not running" */
3749 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3750 }
3751
3752 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3753 static const UnitActiveState states[] = {
3754 UNIT_FAILED,
3755 };
3756
3757 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3758 }
3759
3760 static int kill_unit(int argc, char *argv[], void *userdata) {
3761 _cleanup_strv_free_ char **names = NULL;
3762 char *kill_who = NULL, **name;
3763 sd_bus *bus;
3764 int r, q;
3765
3766 r = acquire_bus(BUS_MANAGER, &bus);
3767 if (r < 0)
3768 return r;
3769
3770 polkit_agent_open_maybe();
3771
3772 if (!arg_kill_who)
3773 arg_kill_who = "all";
3774
3775 /* --fail was specified */
3776 if (streq(arg_job_mode, "fail"))
3777 kill_who = strjoina(arg_kill_who, "-fail");
3778
3779 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3780 if (r < 0)
3781 return log_error_errno(r, "Failed to expand names: %m");
3782
3783 STRV_FOREACH(name, names) {
3784 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3785
3786 q = sd_bus_call_method(
3787 bus,
3788 "org.freedesktop.systemd1",
3789 "/org/freedesktop/systemd1",
3790 "org.freedesktop.systemd1.Manager",
3791 "KillUnit",
3792 &error,
3793 NULL,
3794 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3795 if (q < 0) {
3796 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3797 if (r == 0)
3798 r = q;
3799 }
3800 }
3801
3802 return r;
3803 }
3804
3805 static int clean_unit(int argc, char *argv[], void *userdata) {
3806 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3807 _cleanup_strv_free_ char **names = NULL;
3808 int r, ret = EXIT_SUCCESS;
3809 char **name;
3810 sd_bus *bus;
3811
3812 r = acquire_bus(BUS_FULL, &bus);
3813 if (r < 0)
3814 return r;
3815
3816 polkit_agent_open_maybe();
3817
3818 if (!arg_clean_what) {
3819 arg_clean_what = strv_new("cache", "runtime");
3820 if (!arg_clean_what)
3821 return log_oom();
3822 }
3823
3824 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3825 if (r < 0)
3826 return log_error_errno(r, "Failed to expand names: %m");
3827
3828 if (!arg_no_block) {
3829 r = bus_wait_for_units_new(bus, &w);
3830 if (r < 0)
3831 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3832 }
3833
3834 STRV_FOREACH(name, names) {
3835 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3836 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3837
3838 if (w) {
3839 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3840 r = sd_bus_call_method(
3841 bus,
3842 "org.freedesktop.systemd1",
3843 "/org/freedesktop/systemd1",
3844 "org.freedesktop.systemd1.Manager",
3845 "RefUnit",
3846 &error,
3847 NULL,
3848 "s", *name);
3849 if (r < 0) {
3850 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3851 if (ret == EXIT_SUCCESS)
3852 ret = r;
3853 continue;
3854 }
3855 }
3856
3857 r = sd_bus_message_new_method_call(
3858 bus,
3859 &m,
3860 "org.freedesktop.systemd1",
3861 "/org/freedesktop/systemd1",
3862 "org.freedesktop.systemd1.Manager",
3863 "CleanUnit");
3864 if (r < 0)
3865 return bus_log_create_error(r);
3866
3867 r = sd_bus_message_append(m, "s", *name);
3868 if (r < 0)
3869 return bus_log_create_error(r);
3870
3871 r = sd_bus_message_append_strv(m, arg_clean_what);
3872 if (r < 0)
3873 return bus_log_create_error(r);
3874
3875 r = sd_bus_call(bus, m, 0, &error, NULL);
3876 if (r < 0) {
3877 log_error_errno(r, "Failed to clean unit %s: %s", *name, bus_error_message(&error, r));
3878 if (ret == EXIT_SUCCESS) {
3879 ret = r;
3880 continue;
3881 }
3882 }
3883
3884 if (w) {
3885 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3886 if (r < 0)
3887 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3888 }
3889 }
3890
3891 r = bus_wait_for_units_run(w);
3892 if (r < 0)
3893 return log_error_errno(r, "Failed to wait for units: %m");
3894 if (r == BUS_WAIT_FAILURE)
3895 ret = EXIT_FAILURE;
3896
3897 return ret;
3898 }
3899
3900 typedef struct ExecStatusInfo {
3901 char *name;
3902
3903 char *path;
3904 char **argv;
3905
3906 bool ignore;
3907
3908 usec_t start_timestamp;
3909 usec_t exit_timestamp;
3910 pid_t pid;
3911 int code;
3912 int status;
3913
3914 ExecCommandFlags flags;
3915
3916 LIST_FIELDS(struct ExecStatusInfo, exec);
3917 } ExecStatusInfo;
3918
3919 static void exec_status_info_free(ExecStatusInfo *i) {
3920 assert(i);
3921
3922 free(i->name);
3923 free(i->path);
3924 strv_free(i->argv);
3925 free(i);
3926 }
3927
3928 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3929 _cleanup_strv_free_ char **ex_opts = NULL;
3930 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3931 const char *path;
3932 uint32_t pid;
3933 int32_t code, status;
3934 int ignore, r;
3935
3936 assert(m);
3937 assert(i);
3938
3939 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3940 if (r < 0)
3941 return bus_log_parse_error(r);
3942 else if (r == 0)
3943 return 0;
3944
3945 r = sd_bus_message_read(m, "s", &path);
3946 if (r < 0)
3947 return bus_log_parse_error(r);
3948
3949 i->path = strdup(path);
3950 if (!i->path)
3951 return log_oom();
3952
3953 r = sd_bus_message_read_strv(m, &i->argv);
3954 if (r < 0)
3955 return bus_log_parse_error(r);
3956
3957 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3958 if (r < 0)
3959 return bus_log_parse_error(r);
3960
3961 r = sd_bus_message_read(m,
3962 "ttttuii",
3963 &start_timestamp, &start_timestamp_monotonic,
3964 &exit_timestamp, &exit_timestamp_monotonic,
3965 &pid,
3966 &code, &status);
3967 if (r < 0)
3968 return bus_log_parse_error(r);
3969
3970 if (is_ex_prop) {
3971 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3972 if (r < 0)
3973 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3974
3975 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3976 } else
3977 i->ignore = ignore;
3978
3979 i->start_timestamp = (usec_t) start_timestamp;
3980 i->exit_timestamp = (usec_t) exit_timestamp;
3981 i->pid = (pid_t) pid;
3982 i->code = code;
3983 i->status = status;
3984
3985 r = sd_bus_message_exit_container(m);
3986 if (r < 0)
3987 return bus_log_parse_error(r);
3988
3989 return 1;
3990 }
3991
3992 typedef struct UnitCondition {
3993 char *name;
3994 char *param;
3995 bool trigger;
3996 bool negate;
3997 int tristate;
3998
3999 LIST_FIELDS(struct UnitCondition, conditions);
4000 } UnitCondition;
4001
4002 static void unit_condition_free(UnitCondition *c) {
4003 if (!c)
4004 return;
4005
4006 free(c->name);
4007 free(c->param);
4008 free(c);
4009 }
4010
4011 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4012
4013 typedef struct UnitStatusInfo {
4014 const char *id;
4015 const char *load_state;
4016 const char *active_state;
4017 const char *sub_state;
4018 const char *unit_file_state;
4019 const char *unit_file_preset;
4020
4021 const char *description;
4022 const char *following;
4023
4024 char **documentation;
4025
4026 const char *fragment_path;
4027 const char *source_path;
4028 const char *control_group;
4029
4030 char **dropin_paths;
4031
4032 const char *load_error;
4033 const char *result;
4034
4035 usec_t inactive_exit_timestamp;
4036 usec_t inactive_exit_timestamp_monotonic;
4037 usec_t active_enter_timestamp;
4038 usec_t active_exit_timestamp;
4039 usec_t inactive_enter_timestamp;
4040
4041 bool need_daemon_reload;
4042 bool transient;
4043
4044 /* Service */
4045 pid_t main_pid;
4046 pid_t control_pid;
4047 const char *status_text;
4048 const char *pid_file;
4049 bool running:1;
4050 int status_errno;
4051
4052 usec_t start_timestamp;
4053 usec_t exit_timestamp;
4054
4055 int exit_code, exit_status;
4056
4057 usec_t condition_timestamp;
4058 bool condition_result;
4059 LIST_HEAD(UnitCondition, conditions);
4060
4061 usec_t assert_timestamp;
4062 bool assert_result;
4063 bool failed_assert_trigger;
4064 bool failed_assert_negate;
4065 const char *failed_assert;
4066 const char *failed_assert_parameter;
4067 usec_t next_elapse_real;
4068 usec_t next_elapse_monotonic;
4069
4070 /* Socket */
4071 unsigned n_accepted;
4072 unsigned n_connections;
4073 unsigned n_refused;
4074 bool accept;
4075
4076 /* Pairs of type, path */
4077 char **listen;
4078
4079 /* Device */
4080 const char *sysfs_path;
4081
4082 /* Mount, Automount */
4083 const char *where;
4084
4085 /* Swap */
4086 const char *what;
4087
4088 /* CGroup */
4089 uint64_t memory_current;
4090 uint64_t memory_min;
4091 uint64_t memory_low;
4092 uint64_t memory_high;
4093 uint64_t memory_max;
4094 uint64_t memory_swap_max;
4095 uint64_t memory_limit;
4096 uint64_t cpu_usage_nsec;
4097 uint64_t tasks_current;
4098 uint64_t tasks_max;
4099 uint64_t ip_ingress_bytes;
4100 uint64_t ip_egress_bytes;
4101 uint64_t io_read_bytes;
4102 uint64_t io_write_bytes;
4103
4104 uint64_t default_memory_min;
4105 uint64_t default_memory_low;
4106
4107 LIST_HEAD(ExecStatusInfo, exec);
4108 } UnitStatusInfo;
4109
4110 static void unit_status_info_free(UnitStatusInfo *info) {
4111 ExecStatusInfo *p;
4112 UnitCondition *c;
4113
4114 strv_free(info->documentation);
4115 strv_free(info->dropin_paths);
4116 strv_free(info->listen);
4117
4118 while ((c = info->conditions)) {
4119 LIST_REMOVE(conditions, info->conditions, c);
4120 unit_condition_free(c);
4121 }
4122
4123 while ((p = info->exec)) {
4124 LIST_REMOVE(exec, info->exec, p);
4125 exec_status_info_free(p);
4126 }
4127 }
4128
4129 static void print_status_info(
4130 sd_bus *bus,
4131 UnitStatusInfo *i,
4132 bool *ellipsized) {
4133
4134 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4135 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4136 _cleanup_free_ char *formatted_path = NULL;
4137 ExecStatusInfo *p;
4138 usec_t timestamp;
4139 const char *path;
4140 char **t, **t2;
4141 int r;
4142
4143 assert(i);
4144
4145 /* This shows pretty information about a unit. See
4146 * print_property() for a low-level property printer */
4147
4148 if (streq_ptr(i->active_state, "failed")) {
4149 active_on = ansi_highlight_red();
4150 active_off = ansi_normal();
4151 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4152 active_on = ansi_highlight_green();
4153 active_off = ansi_normal();
4154 } else
4155 active_on = active_off = "";
4156
4157 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4158
4159 if (i->description && !streq_ptr(i->id, i->description))
4160 printf(" - %s", i->description);
4161
4162 printf("\n");
4163
4164 if (i->following)
4165 printf(" Follow: unit currently follows state of %s\n", i->following);
4166
4167 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4168 on = ansi_highlight_red();
4169 off = ansi_normal();
4170 } else
4171 on = off = "";
4172
4173 path = i->source_path ?: i->fragment_path;
4174 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4175 path = formatted_path;
4176
4177 if (!isempty(i->load_error))
4178 printf(" Loaded: %s%s%s (Reason: %s)\n",
4179 on, strna(i->load_state), off, i->load_error);
4180 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4181 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4182 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4183 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4184 else if (path && !isempty(i->unit_file_state))
4185 printf(" Loaded: %s%s%s (%s; %s)\n",
4186 on, strna(i->load_state), off, path, i->unit_file_state);
4187 else if (path)
4188 printf(" Loaded: %s%s%s (%s)\n",
4189 on, strna(i->load_state), off, path);
4190 else
4191 printf(" Loaded: %s%s%s\n",
4192 on, strna(i->load_state), off);
4193
4194 if (i->transient)
4195 printf("Transient: yes\n");
4196
4197 if (!strv_isempty(i->dropin_paths)) {
4198 _cleanup_free_ char *dir = NULL;
4199 bool last = false;
4200 char ** dropin;
4201
4202 STRV_FOREACH(dropin, i->dropin_paths) {
4203 _cleanup_free_ char *dropin_formatted = NULL;
4204 const char *df;
4205
4206 if (!dir || last) {
4207 printf(dir ? " " :
4208 " Drop-In: ");
4209
4210 dir = mfree(dir);
4211
4212 dir = dirname_malloc(*dropin);
4213 if (!dir) {
4214 log_oom();
4215 return;
4216 }
4217
4218 printf("%s\n"
4219 " %s", dir,
4220 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4221 }
4222
4223 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4224
4225 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4226 df = dropin_formatted;
4227 else
4228 df = *dropin;
4229
4230 printf("%s%s", df, last ? "\n" : ", ");
4231 }
4232 }
4233
4234 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4235 if (ss)
4236 printf(" Active: %s%s (%s)%s",
4237 active_on, strna(i->active_state), ss, active_off);
4238 else
4239 printf(" Active: %s%s%s",
4240 active_on, strna(i->active_state), active_off);
4241
4242 if (!isempty(i->result) && !streq(i->result, "success"))
4243 printf(" (Result: %s)", i->result);
4244
4245 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4246 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4247 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4248 i->active_exit_timestamp;
4249
4250 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4251 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4252
4253 if (s1)
4254 printf(" since %s; %s\n", s2, s1);
4255 else if (s2)
4256 printf(" since %s\n", s2);
4257 else
4258 printf("\n");
4259
4260 if (endswith(i->id, ".timer")) {
4261 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4262 tstamp2[FORMAT_TIMESTAMP_MAX];
4263 const char *next_rel_time, *next_time;
4264 dual_timestamp nw, next = {i->next_elapse_real,
4265 i->next_elapse_monotonic};
4266 usec_t next_elapse;
4267
4268 printf(" Trigger: ");
4269
4270 dual_timestamp_get(&nw);
4271 next_elapse = calc_next_elapse(&nw, &next);
4272 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4273 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4274
4275 if (next_time && next_rel_time)
4276 printf("%s; %s\n", next_time, next_rel_time);
4277 else
4278 printf("n/a\n");
4279 }
4280
4281 if (!i->condition_result && i->condition_timestamp > 0) {
4282 UnitCondition *c;
4283 int n = 0;
4284
4285 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4286 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4287
4288 printf("Condition: start %scondition failed%s at %s%s%s\n",
4289 ansi_highlight_yellow(), ansi_normal(),
4290 s2, s1 ? "; " : "", strempty(s1));
4291
4292 LIST_FOREACH(conditions, c, i->conditions)
4293 if (c->tristate < 0)
4294 n++;
4295
4296 LIST_FOREACH(conditions, c, i->conditions)
4297 if (c->tristate < 0)
4298 printf(" %s %s=%s%s%s was not met\n",
4299 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4300 c->name,
4301 c->trigger ? "|" : "",
4302 c->negate ? "!" : "",
4303 c->param);
4304 }
4305
4306 if (!i->assert_result && i->assert_timestamp > 0) {
4307 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4308 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4309
4310 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4311 ansi_highlight_red(), ansi_normal(),
4312 s2, s1 ? "; " : "", strempty(s1));
4313 if (i->failed_assert_trigger)
4314 printf(" none of the trigger assertions were met\n");
4315 else if (i->failed_assert)
4316 printf(" %s=%s%s was not met\n",
4317 i->failed_assert,
4318 i->failed_assert_negate ? "!" : "",
4319 i->failed_assert_parameter);
4320 }
4321
4322 if (i->sysfs_path)
4323 printf(" Device: %s\n", i->sysfs_path);
4324 if (i->where)
4325 printf(" Where: %s\n", i->where);
4326 if (i->what)
4327 printf(" What: %s\n", i->what);
4328
4329 STRV_FOREACH(t, i->documentation) {
4330 _cleanup_free_ char *formatted = NULL;
4331 const char *q;
4332
4333 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4334 q = formatted;
4335 else
4336 q = *t;
4337
4338 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4339 }
4340
4341 STRV_FOREACH_PAIR(t, t2, i->listen)
4342 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4343
4344 if (i->accept) {
4345 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4346 if (i->n_refused)
4347 printf(" Refused: %u", i->n_refused);
4348 printf("\n");
4349 }
4350
4351 LIST_FOREACH(exec, p, i->exec) {
4352 _cleanup_free_ char *argv = NULL;
4353 bool good;
4354
4355 /* Only show exited processes here */
4356 if (p->code == 0)
4357 continue;
4358
4359 argv = strv_join(p->argv, " ");
4360 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4361
4362 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4363 if (!good) {
4364 on = ansi_highlight_red();
4365 off = ansi_normal();
4366 } else
4367 on = off = "";
4368
4369 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4370
4371 if (p->code == CLD_EXITED) {
4372 const char *c;
4373
4374 printf("status=%i", p->status);
4375
4376 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4377 if (c)
4378 printf("/%s", c);
4379
4380 } else
4381 printf("signal=%s", signal_to_string(p->status));
4382
4383 printf(")%s\n", off);
4384
4385 if (i->main_pid == p->pid &&
4386 i->start_timestamp == p->start_timestamp &&
4387 i->exit_timestamp == p->start_timestamp)
4388 /* Let's not show this twice */
4389 i->main_pid = 0;
4390
4391 if (p->pid == i->control_pid)
4392 i->control_pid = 0;
4393 }
4394
4395 if (i->main_pid > 0 || i->control_pid > 0) {
4396 if (i->main_pid > 0) {
4397 printf(" Main PID: "PID_FMT, i->main_pid);
4398
4399 if (i->running) {
4400
4401 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4402 _cleanup_free_ char *comm = NULL;
4403
4404 (void) get_process_comm(i->main_pid, &comm);
4405 if (comm)
4406 printf(" (%s)", comm);
4407 }
4408
4409 } else if (i->exit_code > 0) {
4410 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4411
4412 if (i->exit_code == CLD_EXITED) {
4413 const char *c;
4414
4415 printf("status=%i", i->exit_status);
4416
4417 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4418 if (c)
4419 printf("/%s", c);
4420
4421 } else
4422 printf("signal=%s", signal_to_string(i->exit_status));
4423 printf(")");
4424 }
4425 }
4426
4427 if (i->control_pid > 0) {
4428 _cleanup_free_ char *c = NULL;
4429
4430 if (i->main_pid > 0)
4431 fputs("; Control PID: ", stdout);
4432 else
4433 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4434
4435 printf(PID_FMT, i->control_pid);
4436
4437 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4438 (void) get_process_comm(i->control_pid, &c);
4439 if (c)
4440 printf(" (%s)", c);
4441 }
4442 }
4443
4444 printf("\n");
4445 }
4446
4447 if (i->status_text)
4448 printf(" Status: \"%s\"\n", i->status_text);
4449 if (i->status_errno > 0)
4450 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4451
4452 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4453 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4454
4455 printf(" IP: %s in, %s out\n",
4456 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4457 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4458 }
4459
4460 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4461 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4462
4463 printf(" IO: %s read, %s written\n",
4464 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4465 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4466 }
4467
4468 if (i->tasks_current != (uint64_t) -1) {
4469 printf(" Tasks: %" PRIu64, i->tasks_current);
4470
4471 if (i->tasks_max != (uint64_t) -1)
4472 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4473 else
4474 printf("\n");
4475 }
4476
4477 if (i->memory_current != (uint64_t) -1) {
4478 char buf[FORMAT_BYTES_MAX];
4479
4480 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4481
4482 if (i->memory_min > 0 || i->memory_low > 0 ||
4483 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4484 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4485 i->memory_limit != CGROUP_LIMIT_MAX) {
4486 const char *prefix = "";
4487
4488 printf(" (");
4489 if (i->memory_min > 0) {
4490 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4491 prefix = " ";
4492 }
4493 if (i->memory_low > 0) {
4494 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4495 prefix = " ";
4496 }
4497 if (i->memory_high != CGROUP_LIMIT_MAX) {
4498 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4499 prefix = " ";
4500 }
4501 if (i->memory_max != CGROUP_LIMIT_MAX) {
4502 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4503 prefix = " ";
4504 }
4505 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4506 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4507 prefix = " ";
4508 }
4509 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4510 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4511 prefix = " ";
4512 }
4513 printf(")");
4514 }
4515 printf("\n");
4516 }
4517
4518 if (i->cpu_usage_nsec != (uint64_t) -1) {
4519 char buf[FORMAT_TIMESPAN_MAX];
4520 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4521 }
4522
4523 if (i->control_group) {
4524 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4525 static const char prefix[] = " ";
4526 unsigned c;
4527
4528 printf(" CGroup: %s\n", i->control_group);
4529
4530 c = columns();
4531 if (c > sizeof(prefix) - 1)
4532 c -= sizeof(prefix) - 1;
4533 else
4534 c = 0;
4535
4536 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4537 if (r == -EBADR) {
4538 unsigned k = 0;
4539 pid_t extra[2];
4540
4541 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4542
4543 if (i->main_pid > 0)
4544 extra[k++] = i->main_pid;
4545
4546 if (i->control_pid > 0)
4547 extra[k++] = i->control_pid;
4548
4549 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4550 } else if (r < 0)
4551 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4552 i->id, bus_error_message(&error, r));
4553 }
4554
4555 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4556 show_journal_by_unit(
4557 stdout,
4558 i->id,
4559 arg_output,
4560 0,
4561 i->inactive_exit_timestamp_monotonic,
4562 arg_lines,
4563 getuid(),
4564 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4565 SD_JOURNAL_LOCAL_ONLY,
4566 arg_scope == UNIT_FILE_SYSTEM,
4567 ellipsized);
4568
4569 if (i->need_daemon_reload)
4570 warn_unit_file_changed(i->id);
4571 }
4572
4573 static void show_unit_help(UnitStatusInfo *i) {
4574 char **p;
4575
4576 assert(i);
4577
4578 if (!i->documentation) {
4579 log_info("Documentation for %s not known.", i->id);
4580 return;
4581 }
4582
4583 STRV_FOREACH(p, i->documentation)
4584 if (startswith(*p, "man:"))
4585 show_man_page(*p + 4, false);
4586 else
4587 log_info("Can't show: %s", *p);
4588 }
4589
4590 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4591 UnitStatusInfo *i = userdata;
4592 uint32_t u;
4593 int r;
4594
4595 r = sd_bus_message_read(m, "u", &u);
4596 if (r < 0)
4597 return r;
4598
4599 i->main_pid = (pid_t) u;
4600 i->running = u > 0;
4601
4602 return 0;
4603 }
4604
4605 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4606 const char *message, **p = userdata;
4607 int r;
4608
4609 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4610 if (r < 0)
4611 return r;
4612
4613 if (!isempty(message))
4614 *p = message;
4615
4616 return 0;
4617 }
4618
4619 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4620 const char *type, *path;
4621 char ***p = userdata;
4622 int r;
4623
4624 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4625 if (r < 0)
4626 return r;
4627
4628 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4629
4630 r = strv_extend(p, type);
4631 if (r < 0)
4632 return r;
4633
4634 r = strv_extend(p, path);
4635 if (r < 0)
4636 return r;
4637 }
4638 if (r < 0)
4639 return r;
4640
4641 r = sd_bus_message_exit_container(m);
4642 if (r < 0)
4643 return r;
4644
4645 return 0;
4646 }
4647
4648 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4649 UnitStatusInfo *i = userdata;
4650 const char *cond, *param;
4651 int trigger, negate;
4652 int32_t state;
4653 int r;
4654
4655 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4656 if (r < 0)
4657 return r;
4658
4659 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4660 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4661
4662 c = new(UnitCondition, 1);
4663 if (!c)
4664 return -ENOMEM;
4665
4666 *c = (UnitCondition) {
4667 .name = strdup(cond),
4668 .param = strdup(param),
4669 .trigger = trigger,
4670 .negate = negate,
4671 .tristate = state,
4672 };
4673
4674 if (!c->name || !c->param)
4675 return -ENOMEM;
4676
4677 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4678 }
4679 if (r < 0)
4680 return r;
4681
4682 r = sd_bus_message_exit_container(m);
4683 if (r < 0)
4684 return r;
4685
4686 return 0;
4687 }
4688
4689 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4690 UnitStatusInfo *i = userdata;
4691 const char *cond, *param;
4692 int trigger, negate;
4693 int32_t state;
4694 int r;
4695
4696 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4697 if (r < 0)
4698 return r;
4699
4700 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4701 if (state < 0 && (!trigger || !i->failed_assert)) {
4702 i->failed_assert = cond;
4703 i->failed_assert_trigger = trigger;
4704 i->failed_assert_negate = negate;
4705 i->failed_assert_parameter = param;
4706 }
4707 }
4708 if (r < 0)
4709 return r;
4710
4711 r = sd_bus_message_exit_container(m);
4712 if (r < 0)
4713 return r;
4714
4715 return 0;
4716 }
4717
4718 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4719 _cleanup_free_ ExecStatusInfo *info = NULL;
4720 ExecStatusInfo *last;
4721 UnitStatusInfo *i = userdata;
4722 bool is_ex_prop = endswith(member, "Ex");
4723 int r;
4724
4725 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4726 if (r < 0)
4727 return r;
4728
4729 info = new0(ExecStatusInfo, 1);
4730 if (!info)
4731 return -ENOMEM;
4732
4733 LIST_FIND_TAIL(exec, i->exec, last);
4734
4735 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4736
4737 info->name = strdup(member);
4738 if (!info->name)
4739 return -ENOMEM;
4740
4741 LIST_INSERT_AFTER(exec, i->exec, last, info);
4742 last = info;
4743
4744 info = new0(ExecStatusInfo, 1);
4745 if (!info)
4746 return -ENOMEM;
4747 }
4748 if (r < 0)
4749 return r;
4750
4751 r = sd_bus_message_exit_container(m);
4752 if (r < 0)
4753 return r;
4754
4755 return 0;
4756 }
4757
4758 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4759 char bus_type;
4760 const char *contents;
4761 int r;
4762
4763 assert(name);
4764 assert(m);
4765
4766 /* This is a low-level property printer, see
4767 * print_status_info() for the nicer output */
4768
4769 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4770 if (r < 0)
4771 return r;
4772
4773 switch (bus_type) {
4774
4775 case SD_BUS_TYPE_INT32:
4776 if (endswith(name, "ActionExitStatus")) {
4777 int32_t i;
4778
4779 r = sd_bus_message_read_basic(m, bus_type, &i);
4780 if (r < 0)
4781 return r;
4782
4783 if (i >= 0 && i <= 255)
4784 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4785 else if (all)
4786 bus_print_property_value(name, expected_value, value, "[not set]");
4787
4788 return 1;
4789 } else if (streq(name, "NUMAPolicy")) {
4790 int32_t i;
4791
4792 r = sd_bus_message_read_basic(m, bus_type, &i);
4793 if (r < 0)
4794 return r;
4795
4796 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4797
4798 return 1;
4799 }
4800 break;
4801
4802 case SD_BUS_TYPE_STRUCT:
4803
4804 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4805 uint32_t u;
4806
4807 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4808 if (r < 0)
4809 return bus_log_parse_error(r);
4810
4811 if (u > 0)
4812 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4813 else if (all)
4814 bus_print_property_value(name, expected_value, value, "");
4815
4816 return 1;
4817
4818 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4819 const char *s;
4820
4821 r = sd_bus_message_read(m, "(so)", &s, NULL);
4822 if (r < 0)
4823 return bus_log_parse_error(r);
4824
4825 if (all || !isempty(s))
4826 bus_print_property_value(name, expected_value, value, s);
4827
4828 return 1;
4829
4830 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4831 const char *a = NULL, *b = NULL;
4832
4833 r = sd_bus_message_read(m, "(ss)", &a, &b);
4834 if (r < 0)
4835 return bus_log_parse_error(r);
4836
4837 if (!isempty(a) || !isempty(b))
4838 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4839 else if (all)
4840 bus_print_property_value(name, expected_value, value, "");
4841
4842 return 1;
4843
4844 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4845 _cleanup_strv_free_ char **l = NULL;
4846 int whitelist;
4847
4848 r = sd_bus_message_enter_container(m, 'r', "bas");
4849 if (r < 0)
4850 return bus_log_parse_error(r);
4851
4852 r = sd_bus_message_read(m, "b", &whitelist);
4853 if (r < 0)
4854 return bus_log_parse_error(r);
4855
4856 r = sd_bus_message_read_strv(m, &l);
4857 if (r < 0)
4858 return bus_log_parse_error(r);
4859
4860 r = sd_bus_message_exit_container(m);
4861 if (r < 0)
4862 return bus_log_parse_error(r);
4863
4864 if (all || whitelist || !strv_isempty(l)) {
4865 bool first = true;
4866 char **i;
4867
4868 if (!value) {
4869 fputs(name, stdout);
4870 fputc('=', stdout);
4871 }
4872
4873 if (!whitelist)
4874 fputc('~', stdout);
4875
4876 STRV_FOREACH(i, l) {
4877 if (first)
4878 first = false;
4879 else
4880 fputc(' ', stdout);
4881
4882 fputs(*i, stdout);
4883 }
4884 fputc('\n', stdout);
4885 }
4886
4887 return 1;
4888
4889 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4890 int ignore;
4891 const char *s;
4892
4893 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4894 if (r < 0)
4895 return bus_log_parse_error(r);
4896
4897 if (!isempty(s))
4898 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4899 else if (all)
4900 bus_print_property_value(name, expected_value, value, "");
4901
4902 return 1;
4903
4904 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4905 const int32_t *status, *signal;
4906 size_t sz_status, sz_signal, i;
4907
4908 r = sd_bus_message_enter_container(m, 'r', "aiai");
4909 if (r < 0)
4910 return bus_log_parse_error(r);
4911
4912 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &sz_status);
4913 if (r < 0)
4914 return bus_log_parse_error(r);
4915
4916 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &sz_signal);
4917 if (r < 0)
4918 return bus_log_parse_error(r);
4919
4920 r = sd_bus_message_exit_container(m);
4921 if (r < 0)
4922 return bus_log_parse_error(r);
4923
4924 sz_status /= sizeof(int32_t);
4925 sz_signal /= sizeof(int32_t);
4926
4927 if (all || sz_status > 0 || sz_signal > 0) {
4928 bool first = true;
4929
4930 if (!value) {
4931 fputs(name, stdout);
4932 fputc('=', stdout);
4933 }
4934
4935 for (i = 0; i < sz_status; i++) {
4936 if (status[i] < 0 || status[i] > 255)
4937 continue;
4938
4939 if (first)
4940 first = false;
4941 else
4942 fputc(' ', stdout);
4943
4944 printf("%"PRIi32, status[i]);
4945 }
4946
4947 for (i = 0; i < sz_signal; i++) {
4948 const char *str;
4949
4950 str = signal_to_string((int) signal[i]);
4951 if (!str)
4952 continue;
4953
4954 if (first)
4955 first = false;
4956 else
4957 fputc(' ', stdout);
4958
4959 fputs(str, stdout);
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], timespan2[FORMAT_TIMESPAN_MAX];
5037
5038 bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
5039 format_timespan(timespan1, sizeof(timespan1), v, 0),
5040 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
5041 }
5042 if (r < 0)
5043 return bus_log_parse_error(r);
5044
5045 r = sd_bus_message_exit_container(m);
5046 if (r < 0)
5047 return bus_log_parse_error(r);
5048
5049 return 1;
5050
5051 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5052 const char *base, *spec;
5053 uint64_t next_elapse;
5054
5055 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5056 if (r < 0)
5057 return bus_log_parse_error(r);
5058
5059 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5060 char timestamp[FORMAT_TIMESTAMP_MAX];
5061
5062 bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
5063 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
5064 }
5065 if (r < 0)
5066 return bus_log_parse_error(r);
5067
5068 r = sd_bus_message_exit_container(m);
5069 if (r < 0)
5070 return bus_log_parse_error(r);
5071
5072 return 1;
5073
5074 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5075 ExecStatusInfo info = {};
5076 bool is_ex_prop = endswith(name, "Ex");
5077
5078 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5079 if (r < 0)
5080 return bus_log_parse_error(r);
5081
5082 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5083 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5084 _cleanup_strv_free_ char **optv = NULL;
5085 _cleanup_free_ char *tt, *o = NULL;
5086
5087 tt = strv_join(info.argv, " ");
5088
5089 if (is_ex_prop) {
5090 r = exec_command_flags_to_strv(info.flags, &optv);
5091 if (r < 0)
5092 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5093
5094 o = strv_join(optv, " ");
5095
5096 bus_print_property_valuef(name, expected_value, value,
5097 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5098 strna(info.path),
5099 strna(tt),
5100 strna(o),
5101 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5102 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5103 info.pid,
5104 sigchld_code_to_string(info.code),
5105 info.status,
5106 info.code == CLD_EXITED ? "" : "/",
5107 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5108 } else
5109 bus_print_property_valuef(name, expected_value, value,
5110 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5111 strna(info.path),
5112 strna(tt),
5113 yes_no(info.ignore),
5114 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5115 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5116 info.pid,
5117 sigchld_code_to_string(info.code),
5118 info.status,
5119 info.code == CLD_EXITED ? "" : "/",
5120 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5121
5122 free(info.path);
5123 strv_free(info.argv);
5124 zero(info);
5125 }
5126
5127 r = sd_bus_message_exit_container(m);
5128 if (r < 0)
5129 return bus_log_parse_error(r);
5130
5131 return 1;
5132
5133 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5134 const char *path, *rwm;
5135
5136 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5137 if (r < 0)
5138 return bus_log_parse_error(r);
5139
5140 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5141 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5142 if (r < 0)
5143 return bus_log_parse_error(r);
5144
5145 r = sd_bus_message_exit_container(m);
5146 if (r < 0)
5147 return bus_log_parse_error(r);
5148
5149 return 1;
5150
5151 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5152 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5153 const char *path;
5154 uint64_t weight;
5155
5156 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5157 if (r < 0)
5158 return bus_log_parse_error(r);
5159
5160 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5161 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5162 if (r < 0)
5163 return bus_log_parse_error(r);
5164
5165 r = sd_bus_message_exit_container(m);
5166 if (r < 0)
5167 return bus_log_parse_error(r);
5168
5169 return 1;
5170
5171 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5172 (cgroup_io_limit_type_from_string(name) >= 0 ||
5173 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5174 const char *path;
5175 uint64_t bandwidth;
5176
5177 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5178 if (r < 0)
5179 return bus_log_parse_error(r);
5180
5181 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5182 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5183 if (r < 0)
5184 return bus_log_parse_error(r);
5185
5186 r = sd_bus_message_exit_container(m);
5187 if (r < 0)
5188 return bus_log_parse_error(r);
5189
5190 return 1;
5191
5192 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5193 streq(name, "IODeviceLatencyTargetUSec")) {
5194 char ts[FORMAT_TIMESPAN_MAX];
5195 const char *path;
5196 uint64_t target;
5197
5198 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5199 if (r < 0)
5200 return bus_log_parse_error(r);
5201
5202 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5203 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5204 format_timespan(ts, sizeof(ts), target, 1));
5205 if (r < 0)
5206 return bus_log_parse_error(r);
5207
5208 r = sd_bus_message_exit_container(m);
5209 if (r < 0)
5210 return bus_log_parse_error(r);
5211
5212 return 1;
5213
5214 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5215 _cleanup_free_ char *h = NULL;
5216 const void *p;
5217 size_t sz;
5218 ssize_t n;
5219
5220 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5221 if (r < 0)
5222 return bus_log_parse_error(r);
5223
5224 n = base64mem(p, sz, &h);
5225 if (n < 0)
5226 return log_oom();
5227
5228 bus_print_property_value(name, expected_value, value, h);
5229
5230 return 1;
5231
5232 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5233 _cleanup_free_ char *addresses = NULL;
5234
5235 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5236 if (r < 0)
5237 return bus_log_parse_error(r);
5238
5239 for (;;) {
5240 _cleanup_free_ char *str = NULL;
5241 uint32_t prefixlen;
5242 int32_t family;
5243 const void *ap;
5244 size_t an;
5245
5246 r = sd_bus_message_enter_container(m, 'r', "iayu");
5247 if (r < 0)
5248 return bus_log_parse_error(r);
5249 if (r == 0)
5250 break;
5251
5252 r = sd_bus_message_read(m, "i", &family);
5253 if (r < 0)
5254 return bus_log_parse_error(r);
5255
5256 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5257 if (r < 0)
5258 return bus_log_parse_error(r);
5259
5260 r = sd_bus_message_read(m, "u", &prefixlen);
5261 if (r < 0)
5262 return bus_log_parse_error(r);
5263
5264 r = sd_bus_message_exit_container(m);
5265 if (r < 0)
5266 return bus_log_parse_error(r);
5267
5268 if (!IN_SET(family, AF_INET, AF_INET6))
5269 continue;
5270
5271 if (an != FAMILY_ADDRESS_SIZE(family))
5272 continue;
5273
5274 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5275 continue;
5276
5277 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5278 continue;
5279
5280 if (!strextend_with_separator(&addresses, " ", str, NULL))
5281 return log_oom();
5282 }
5283
5284 r = sd_bus_message_exit_container(m);
5285 if (r < 0)
5286 return bus_log_parse_error(r);
5287
5288 if (all || !isempty(addresses))
5289 bus_print_property_value(name, expected_value, value, strempty(addresses));
5290
5291 return 1;
5292
5293 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5294 _cleanup_free_ char *paths = NULL;
5295 const char *source, *dest;
5296 int ignore_enoent;
5297 uint64_t rbind;
5298
5299 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5300 if (r < 0)
5301 return bus_log_parse_error(r);
5302
5303 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5304 _cleanup_free_ char *str = NULL;
5305
5306 if (isempty(source))
5307 continue;
5308
5309 if (asprintf(&str, "%s%s%s%s%s",
5310 ignore_enoent ? "-" : "",
5311 source,
5312 isempty(dest) ? "" : ":",
5313 strempty(dest),
5314 rbind == MS_REC ? ":rbind" : "") < 0)
5315 return log_oom();
5316
5317 if (!strextend_with_separator(&paths, " ", str, NULL))
5318 return log_oom();
5319 }
5320 if (r < 0)
5321 return bus_log_parse_error(r);
5322
5323 r = sd_bus_message_exit_container(m);
5324 if (r < 0)
5325 return bus_log_parse_error(r);
5326
5327 if (all || !isempty(paths))
5328 bus_print_property_value(name, expected_value, value, strempty(paths));
5329
5330 return 1;
5331
5332 } else if (streq(name, "TemporaryFileSystem")) {
5333 _cleanup_free_ char *paths = NULL;
5334 const char *target, *option;
5335
5336 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5337 if (r < 0)
5338 return bus_log_parse_error(r);
5339
5340 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5341 _cleanup_free_ char *str = NULL;
5342
5343 if (isempty(target))
5344 continue;
5345
5346 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5347 return log_oom();
5348
5349 if (!strextend_with_separator(&paths, " ", str, NULL))
5350 return log_oom();
5351 }
5352 if (r < 0)
5353 return bus_log_parse_error(r);
5354
5355 r = sd_bus_message_exit_container(m);
5356 if (r < 0)
5357 return bus_log_parse_error(r);
5358
5359 if (all || !isempty(paths))
5360 bus_print_property_value(name, expected_value, value, strempty(paths));
5361
5362 return 1;
5363
5364 } else if (streq(name, "LogExtraFields")) {
5365 _cleanup_free_ char *fields = NULL;
5366 const void *p;
5367 size_t sz;
5368
5369 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5370 if (r < 0)
5371 return bus_log_parse_error(r);
5372
5373 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5374 _cleanup_free_ char *str = NULL;
5375 const char *eq;
5376
5377 if (memchr(p, 0, sz))
5378 continue;
5379
5380 eq = memchr(p, '=', sz);
5381 if (!eq)
5382 continue;
5383
5384 if (!journal_field_valid(p, eq - (const char*) p, false))
5385 continue;
5386
5387 str = malloc(sz + 1);
5388 if (!str)
5389 return log_oom();
5390
5391 memcpy(str, p, sz);
5392 str[sz] = '\0';
5393
5394 if (!utf8_is_valid(str))
5395 continue;
5396
5397 if (!strextend_with_separator(&fields, " ", str, NULL))
5398 return log_oom();
5399 }
5400 if (r < 0)
5401 return bus_log_parse_error(r);
5402
5403 r = sd_bus_message_exit_container(m);
5404 if (r < 0)
5405 return bus_log_parse_error(r);
5406
5407 if (all || !isempty(fields))
5408 bus_print_property_value(name, expected_value, value, strempty(fields));
5409
5410 return 1;
5411 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask")) {
5412 _cleanup_free_ char *affinity = NULL;
5413 _cleanup_(cpu_set_reset) CPUSet set = {};
5414 const void *a;
5415 size_t n;
5416
5417 r = sd_bus_message_read_array(m, 'y', &a, &n);
5418 if (r < 0)
5419 return bus_log_parse_error(r);
5420
5421 r = cpu_set_from_dbus(a, n, &set);
5422 if (r < 0)
5423 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5424
5425 affinity = cpu_set_to_range_string(&set);
5426 if (!affinity)
5427 return log_oom();
5428
5429 bus_print_property_value(name, expected_value, value, affinity);
5430
5431 return 1;
5432 }
5433
5434 break;
5435 }
5436
5437 return 0;
5438 }
5439
5440 typedef enum SystemctlShowMode{
5441 SYSTEMCTL_SHOW_PROPERTIES,
5442 SYSTEMCTL_SHOW_STATUS,
5443 SYSTEMCTL_SHOW_HELP,
5444 _SYSTEMCTL_SHOW_MODE_MAX,
5445 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5446 } SystemctlShowMode;
5447
5448 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5449 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5450 [SYSTEMCTL_SHOW_STATUS] = "status",
5451 [SYSTEMCTL_SHOW_HELP] = "help",
5452 };
5453
5454 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5455
5456 static int show_one(
5457 sd_bus *bus,
5458 const char *path,
5459 const char *unit,
5460 SystemctlShowMode show_mode,
5461 bool *new_line,
5462 bool *ellipsized) {
5463
5464 static const struct bus_properties_map property_map[] = {
5465 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5466 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5467 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5468 {}
5469 }, status_map[] = {
5470 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5471 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5472 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5473 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5474 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5475 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5476 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5477 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5478 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5479 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5480 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5481 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5482 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5483 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5484 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5485 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5486 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5487 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5488 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5489 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5490 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5491 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5492 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5493 { "MainPID", "u", map_main_pid, 0 },
5494 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5495 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5496 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5497 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5498 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5499 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5500 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5501 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5502 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5503 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5504 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5505 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5506 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5507 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5508 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5509 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5510 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5511 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5512 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5513 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5514 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5515 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5516 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5517 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5518 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5519 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5520 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5521 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5522 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5523 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5524 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5525 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5526 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5527 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5528 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5529 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5530 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5531 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5532 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5533 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5534 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5535 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5536 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5537 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5538 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5539 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5540 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5541 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5542 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5543 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5544 {}
5545 };
5546
5547 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5548 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5549 _cleanup_set_free_ Set *found_properties = NULL;
5550 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5551 .memory_current = (uint64_t) -1,
5552 .memory_high = CGROUP_LIMIT_MAX,
5553 .memory_max = CGROUP_LIMIT_MAX,
5554 .memory_swap_max = CGROUP_LIMIT_MAX,
5555 .memory_limit = (uint64_t) -1,
5556 .cpu_usage_nsec = (uint64_t) -1,
5557 .tasks_current = (uint64_t) -1,
5558 .tasks_max = (uint64_t) -1,
5559 .ip_ingress_bytes = (uint64_t) -1,
5560 .ip_egress_bytes = (uint64_t) -1,
5561 .io_read_bytes = UINT64_MAX,
5562 .io_write_bytes = UINT64_MAX,
5563 };
5564 char **pp;
5565 int r;
5566
5567 assert(path);
5568 assert(new_line);
5569
5570 log_debug("Showing one %s", path);
5571
5572 r = bus_map_all_properties(
5573 bus,
5574 "org.freedesktop.systemd1",
5575 path,
5576 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5577 BUS_MAP_BOOLEAN_AS_BOOL,
5578 &error,
5579 &reply,
5580 &info);
5581 if (r < 0)
5582 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5583
5584 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5585 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5586 "Unit %s could not be found.", unit);
5587
5588 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5589 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5590 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5591 return -ENOENT;
5592 }
5593
5594 if (*new_line)
5595 printf("\n");
5596
5597 *new_line = true;
5598
5599 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5600 print_status_info(bus, &info, ellipsized);
5601
5602 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5603 return EXIT_PROGRAM_NOT_RUNNING;
5604
5605 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5606
5607 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5608 show_unit_help(&info);
5609 return 0;
5610 }
5611
5612 r = sd_bus_message_rewind(reply, true);
5613 if (r < 0)
5614 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5615
5616 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5617 if (r < 0)
5618 return bus_log_parse_error(r);
5619
5620 STRV_FOREACH(pp, arg_properties)
5621 if (!set_contains(found_properties, *pp))
5622 log_debug("Property %s does not exist.", *pp);
5623
5624 return 0;
5625 }
5626
5627 static int get_unit_dbus_path_by_pid(
5628 sd_bus *bus,
5629 uint32_t pid,
5630 char **unit) {
5631
5632 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5633 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5634 char *u;
5635 int r;
5636
5637 r = sd_bus_call_method(
5638 bus,
5639 "org.freedesktop.systemd1",
5640 "/org/freedesktop/systemd1",
5641 "org.freedesktop.systemd1.Manager",
5642 "GetUnitByPID",
5643 &error,
5644 &reply,
5645 "u", pid);
5646 if (r < 0)
5647 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5648
5649 r = sd_bus_message_read(reply, "o", &u);
5650 if (r < 0)
5651 return bus_log_parse_error(r);
5652
5653 u = strdup(u);
5654 if (!u)
5655 return log_oom();
5656
5657 *unit = u;
5658 return 0;
5659 }
5660
5661 static int show_all(
5662 sd_bus *bus,
5663 bool *new_line,
5664 bool *ellipsized) {
5665
5666 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5667 _cleanup_free_ UnitInfo *unit_infos = NULL;
5668 const UnitInfo *u;
5669 unsigned c;
5670 int r, ret = 0;
5671
5672 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5673 if (r < 0)
5674 return r;
5675
5676 (void) pager_open(arg_pager_flags);
5677
5678 c = (unsigned) r;
5679
5680 typesafe_qsort(unit_infos, c, compare_unit_info);
5681
5682 for (u = unit_infos; u < unit_infos + c; u++) {
5683 _cleanup_free_ char *p = NULL;
5684
5685 p = unit_dbus_path_from_name(u->id);
5686 if (!p)
5687 return log_oom();
5688
5689 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5690 if (r < 0)
5691 return r;
5692 else if (r > 0 && ret == 0)
5693 ret = r;
5694 }
5695
5696 return ret;
5697 }
5698
5699 static int show_system_status(sd_bus *bus) {
5700 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5701 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5702 _cleanup_(machine_info_clear) struct machine_info mi = {};
5703 _cleanup_free_ char *hn = NULL;
5704 const char *on, *off;
5705 int r;
5706
5707 hn = gethostname_malloc();
5708 if (!hn)
5709 return log_oom();
5710
5711 r = bus_map_all_properties(
5712 bus,
5713 "org.freedesktop.systemd1",
5714 "/org/freedesktop/systemd1",
5715 machine_info_property_map,
5716 BUS_MAP_STRDUP,
5717 &error,
5718 NULL,
5719 &mi);
5720 if (r < 0)
5721 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5722
5723 if (streq_ptr(mi.state, "degraded")) {
5724 on = ansi_highlight_red();
5725 off = ansi_normal();
5726 } else if (streq_ptr(mi.state, "running")) {
5727 on = ansi_highlight_green();
5728 off = ansi_normal();
5729 } else {
5730 on = ansi_highlight_yellow();
5731 off = ansi_normal();
5732 }
5733
5734 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5735
5736 printf(" State: %s%s%s\n",
5737 on, strna(mi.state), off);
5738
5739 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5740 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5741
5742 printf(" Since: %s; %s\n",
5743 format_timestamp(since2, sizeof(since2), mi.timestamp),
5744 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5745
5746 printf(" CGroup: %s\n", mi.control_group ?: "/");
5747 if (IN_SET(arg_transport,
5748 BUS_TRANSPORT_LOCAL,
5749 BUS_TRANSPORT_MACHINE)) {
5750 static const char prefix[] = " ";
5751 unsigned c;
5752
5753 c = columns();
5754 if (c > sizeof(prefix) - 1)
5755 c -= sizeof(prefix) - 1;
5756 else
5757 c = 0;
5758
5759 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5760 }
5761
5762 return 0;
5763 }
5764
5765 static int show(int argc, char *argv[], void *userdata) {
5766 bool new_line = false, ellipsized = false;
5767 SystemctlShowMode show_mode;
5768 int r, ret = 0;
5769 sd_bus *bus;
5770
5771 assert(argv);
5772
5773 show_mode = systemctl_show_mode_from_string(argv[0]);
5774 if (show_mode < 0)
5775 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5776 "Invalid argument.");
5777
5778 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5779 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5780 "This command expects one or more unit names. Did you mean --help?");
5781
5782 r = acquire_bus(BUS_MANAGER, &bus);
5783 if (r < 0)
5784 return r;
5785
5786 (void) pager_open(arg_pager_flags);
5787
5788 /* If no argument is specified inspect the manager itself */
5789 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5790 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5791
5792 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5793
5794 show_system_status(bus);
5795 new_line = true;
5796
5797 if (arg_all)
5798 ret = show_all(bus, &new_line, &ellipsized);
5799 } else {
5800 _cleanup_free_ char **patterns = NULL;
5801 char **name;
5802
5803 STRV_FOREACH(name, strv_skip(argv, 1)) {
5804 _cleanup_free_ char *path = NULL, *unit = NULL;
5805 uint32_t id;
5806
5807 if (safe_atou32(*name, &id) < 0) {
5808 if (strv_push(&patterns, *name) < 0)
5809 return log_oom();
5810
5811 continue;
5812 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5813 /* Interpret as job id */
5814 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5815 return log_oom();
5816
5817 } else {
5818 /* Interpret as PID */
5819 r = get_unit_dbus_path_by_pid(bus, id, &path);
5820 if (r < 0) {
5821 ret = r;
5822 continue;
5823 }
5824
5825 r = unit_name_from_dbus_path(path, &unit);
5826 if (r < 0)
5827 return log_oom();
5828 }
5829
5830 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5831 if (r < 0)
5832 return r;
5833 else if (r > 0 && ret == 0)
5834 ret = r;
5835 }
5836
5837 if (!strv_isempty(patterns)) {
5838 _cleanup_strv_free_ char **names = NULL;
5839
5840 r = expand_names(bus, patterns, NULL, &names);
5841 if (r < 0)
5842 return log_error_errno(r, "Failed to expand names: %m");
5843
5844 STRV_FOREACH(name, names) {
5845 _cleanup_free_ char *path;
5846
5847 path = unit_dbus_path_from_name(*name);
5848 if (!path)
5849 return log_oom();
5850
5851 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5852 if (r < 0)
5853 return r;
5854 if (r > 0 && ret == 0)
5855 ret = r;
5856 }
5857 }
5858 }
5859
5860 if (ellipsized && !arg_quiet)
5861 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5862
5863 return ret;
5864 }
5865
5866 static int cat(int argc, char *argv[], void *userdata) {
5867 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5868 _cleanup_strv_free_ char **names = NULL;
5869 char **name;
5870 sd_bus *bus;
5871 bool first = true;
5872 int r;
5873
5874 /* Include all units by default - i.e. continue as if the --all
5875 * option was used */
5876 if (strv_isempty(arg_states))
5877 arg_all = true;
5878
5879 if (arg_transport != BUS_TRANSPORT_LOCAL)
5880 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5881
5882 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5883 if (r < 0)
5884 return log_error_errno(r, "Failed to determine unit paths: %m");
5885
5886 r = acquire_bus(BUS_MANAGER, &bus);
5887 if (r < 0)
5888 return r;
5889
5890 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5891 if (r < 0)
5892 return log_error_errno(r, "Failed to expand names: %m");
5893
5894 (void) pager_open(arg_pager_flags);
5895
5896 STRV_FOREACH(name, names) {
5897 _cleanup_free_ char *fragment_path = NULL;
5898 _cleanup_strv_free_ char **dropin_paths = NULL;
5899
5900 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5901 if (r == -ERFKILL) {
5902 printf("%s# Unit %s is masked%s.\n",
5903 ansi_highlight_magenta(),
5904 *name,
5905 ansi_normal());
5906 continue;
5907 }
5908 if (r == -EKEYREJECTED) {
5909 printf("%s# Unit %s could not be loaded.%s\n",
5910 ansi_highlight_magenta(),
5911 *name,
5912 ansi_normal());
5913 continue;
5914 }
5915 if (r < 0)
5916 return r;
5917 if (r == 0)
5918 return -ENOENT;
5919
5920 if (first)
5921 first = false;
5922 else
5923 puts("");
5924
5925 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5926 fprintf(stderr,
5927 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5928 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5929 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5930 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5931 ansi_highlight_red(),
5932 *name,
5933 ansi_highlight_red(),
5934 ansi_highlight_red(),
5935 ansi_highlight_red(),
5936 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5937 ansi_normal());
5938
5939 r = cat_files(fragment_path, dropin_paths, 0);
5940 if (r < 0)
5941 return r;
5942 }
5943
5944 return 0;
5945 }
5946
5947 static int set_property(int argc, char *argv[], void *userdata) {
5948 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5949 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5950 _cleanup_free_ char *n = NULL;
5951 UnitType t;
5952 sd_bus *bus;
5953 int r;
5954
5955 r = acquire_bus(BUS_MANAGER, &bus);
5956 if (r < 0)
5957 return r;
5958
5959 polkit_agent_open_maybe();
5960
5961 r = sd_bus_message_new_method_call(
5962 bus,
5963 &m,
5964 "org.freedesktop.systemd1",
5965 "/org/freedesktop/systemd1",
5966 "org.freedesktop.systemd1.Manager",
5967 "SetUnitProperties");
5968 if (r < 0)
5969 return bus_log_create_error(r);
5970
5971 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5972 if (r < 0)
5973 return log_error_errno(r, "Failed to mangle unit name: %m");
5974
5975 t = unit_name_to_type(n);
5976 if (t < 0)
5977 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
5978
5979 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5980 if (r < 0)
5981 return bus_log_create_error(r);
5982
5983 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5984 if (r < 0)
5985 return bus_log_create_error(r);
5986
5987 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5988 if (r < 0)
5989 return r;
5990
5991 r = sd_bus_message_close_container(m);
5992 if (r < 0)
5993 return bus_log_create_error(r);
5994
5995 r = sd_bus_call(bus, m, 0, &error, NULL);
5996 if (r < 0)
5997 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5998
5999 return 0;
6000 }
6001
6002 static int daemon_reload(int argc, char *argv[], void *userdata) {
6003 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6004 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6005 const char *method;
6006 sd_bus *bus;
6007 int r;
6008
6009 r = acquire_bus(BUS_MANAGER, &bus);
6010 if (r < 0)
6011 return r;
6012
6013 polkit_agent_open_maybe();
6014
6015 switch (arg_action) {
6016
6017 case ACTION_RELOAD:
6018 method = "Reload";
6019 break;
6020
6021 case ACTION_REEXEC:
6022 method = "Reexecute";
6023 break;
6024
6025 case ACTION_SYSTEMCTL:
6026 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6027 /* "daemon-reload" */ "Reload";
6028 break;
6029
6030 default:
6031 assert_not_reached("Unexpected action");
6032 }
6033
6034 r = sd_bus_message_new_method_call(
6035 bus,
6036 &m,
6037 "org.freedesktop.systemd1",
6038 "/org/freedesktop/systemd1",
6039 "org.freedesktop.systemd1.Manager",
6040 method);
6041 if (r < 0)
6042 return bus_log_create_error(r);
6043
6044 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6045 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6046 * their timeout, and for everything else there's the same time budget in place. */
6047
6048 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6049
6050 /* On reexecution, we expect a disconnect, not a reply */
6051 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6052 r = 0;
6053
6054 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6055 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6056
6057 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6058 * old ways of doing things, hence don't log any error in that case here. */
6059
6060 return r < 0 ? r : 0;
6061 }
6062
6063 static int trivial_method(int argc, char *argv[], void *userdata) {
6064 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6065 const char *method;
6066 sd_bus *bus;
6067 int r;
6068
6069 if (arg_dry_run)
6070 return 0;
6071
6072 r = acquire_bus(BUS_MANAGER, &bus);
6073 if (r < 0)
6074 return r;
6075
6076 polkit_agent_open_maybe();
6077
6078 method =
6079 streq(argv[0], "clear-jobs") ||
6080 streq(argv[0], "cancel") ? "ClearJobs" :
6081 streq(argv[0], "reset-failed") ? "ResetFailed" :
6082 streq(argv[0], "halt") ? "Halt" :
6083 streq(argv[0], "reboot") ? "Reboot" :
6084 streq(argv[0], "kexec") ? "KExec" :
6085 streq(argv[0], "exit") ? "Exit" :
6086 /* poweroff */ "PowerOff";
6087
6088 r = sd_bus_call_method(
6089 bus,
6090 "org.freedesktop.systemd1",
6091 "/org/freedesktop/systemd1",
6092 "org.freedesktop.systemd1.Manager",
6093 method,
6094 &error,
6095 NULL,
6096 NULL);
6097 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6098 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6099
6100 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6101 * old ways of doing things, hence don't log any error in that case here. */
6102
6103 return r < 0 ? r : 0;
6104 }
6105
6106 static int reset_failed(int argc, char *argv[], void *userdata) {
6107 _cleanup_strv_free_ char **names = NULL;
6108 sd_bus *bus;
6109 char **name;
6110 int r, q;
6111
6112 if (argc <= 1)
6113 return trivial_method(argc, argv, userdata);
6114
6115 r = acquire_bus(BUS_MANAGER, &bus);
6116 if (r < 0)
6117 return r;
6118
6119 polkit_agent_open_maybe();
6120
6121 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6122 if (r < 0)
6123 return log_error_errno(r, "Failed to expand names: %m");
6124
6125 STRV_FOREACH(name, names) {
6126 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6127
6128 q = sd_bus_call_method(
6129 bus,
6130 "org.freedesktop.systemd1",
6131 "/org/freedesktop/systemd1",
6132 "org.freedesktop.systemd1.Manager",
6133 "ResetFailedUnit",
6134 &error,
6135 NULL,
6136 "s", *name);
6137 if (q < 0) {
6138 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6139 if (r == 0)
6140 r = q;
6141 }
6142 }
6143
6144 return r;
6145 }
6146
6147 static int print_variable(const char *s) {
6148 const char *sep;
6149 _cleanup_free_ char *esc = NULL;
6150
6151 sep = strchr(s, '=');
6152 if (!sep)
6153 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6154 "Invalid environment block");
6155
6156 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6157 if (!esc)
6158 return log_oom();
6159
6160 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6161 return 0;
6162 }
6163
6164 static int show_environment(int argc, char *argv[], void *userdata) {
6165 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6166 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6167 const char *text;
6168 sd_bus *bus;
6169 int r;
6170
6171 r = acquire_bus(BUS_MANAGER, &bus);
6172 if (r < 0)
6173 return r;
6174
6175 (void) pager_open(arg_pager_flags);
6176
6177 r = sd_bus_get_property(
6178 bus,
6179 "org.freedesktop.systemd1",
6180 "/org/freedesktop/systemd1",
6181 "org.freedesktop.systemd1.Manager",
6182 "Environment",
6183 &error,
6184 &reply,
6185 "as");
6186 if (r < 0)
6187 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6188
6189 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6190 if (r < 0)
6191 return bus_log_parse_error(r);
6192
6193 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6194 r = print_variable(text);
6195 if (r < 0)
6196 return r;
6197 }
6198 if (r < 0)
6199 return bus_log_parse_error(r);
6200
6201 r = sd_bus_message_exit_container(reply);
6202 if (r < 0)
6203 return bus_log_parse_error(r);
6204
6205 return 0;
6206 }
6207
6208 static int switch_root(int argc, char *argv[], void *userdata) {
6209 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6210 _cleanup_free_ char *cmdline_init = NULL;
6211 const char *root, *init;
6212 sd_bus *bus;
6213 int r;
6214
6215 if (arg_transport != BUS_TRANSPORT_LOCAL)
6216 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6217
6218 if (argc < 2 || argc > 3)
6219 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6220
6221 root = argv[1];
6222
6223 if (argc >= 3)
6224 init = argv[2];
6225 else {
6226 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6227 if (r < 0)
6228 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6229
6230 init = cmdline_init;
6231 }
6232
6233 init = empty_to_null(init);
6234 if (init) {
6235 const char *root_systemd_path = NULL, *root_init_path = NULL;
6236
6237 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6238 root_init_path = prefix_roota(root, init);
6239
6240 /* If the passed init is actually the same as the
6241 * systemd binary, then let's suppress it. */
6242 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6243 init = NULL;
6244 }
6245
6246 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6247 * would exit with a failure status even though the switch to the new root has succeed. */
6248 assert(saved_argv);
6249 assert(saved_argv[0]);
6250 saved_argv[0][0] = '@';
6251
6252 r = acquire_bus(BUS_MANAGER, &bus);
6253 if (r < 0)
6254 return r;
6255
6256 /* If we are slow to exit after the root switch, the new systemd instance
6257 * will send us a signal to terminate. Just ignore it and exit normally.
6258 * This way the unit does not end up as failed.
6259 */
6260 r = ignore_signals(SIGTERM, -1);
6261 if (r < 0)
6262 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6263
6264 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6265
6266 r = sd_bus_call_method(
6267 bus,
6268 "org.freedesktop.systemd1",
6269 "/org/freedesktop/systemd1",
6270 "org.freedesktop.systemd1.Manager",
6271 "SwitchRoot",
6272 &error,
6273 NULL,
6274 "ss", root, init);
6275 if (r < 0) {
6276 (void) default_signals(SIGTERM, -1);
6277
6278 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6279 }
6280
6281 return 0;
6282 }
6283
6284 static int set_environment(int argc, char *argv[], void *userdata) {
6285 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6286 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6287 const char *method;
6288 sd_bus *bus;
6289 int r;
6290
6291 assert(argc > 1);
6292 assert(argv);
6293
6294 r = acquire_bus(BUS_MANAGER, &bus);
6295 if (r < 0)
6296 return r;
6297
6298 polkit_agent_open_maybe();
6299
6300 method = streq(argv[0], "set-environment")
6301 ? "SetEnvironment"
6302 : "UnsetEnvironment";
6303
6304 r = sd_bus_message_new_method_call(
6305 bus,
6306 &m,
6307 "org.freedesktop.systemd1",
6308 "/org/freedesktop/systemd1",
6309 "org.freedesktop.systemd1.Manager",
6310 method);
6311 if (r < 0)
6312 return bus_log_create_error(r);
6313
6314 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6315 if (r < 0)
6316 return bus_log_create_error(r);
6317
6318 r = sd_bus_call(bus, m, 0, &error, NULL);
6319 if (r < 0)
6320 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6321
6322 return 0;
6323 }
6324
6325 static int import_environment(int argc, char *argv[], void *userdata) {
6326 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6327 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6328 sd_bus *bus;
6329 int r;
6330
6331 r = acquire_bus(BUS_MANAGER, &bus);
6332 if (r < 0)
6333 return r;
6334
6335 polkit_agent_open_maybe();
6336
6337 r = sd_bus_message_new_method_call(
6338 bus,
6339 &m,
6340 "org.freedesktop.systemd1",
6341 "/org/freedesktop/systemd1",
6342 "org.freedesktop.systemd1.Manager",
6343 "SetEnvironment");
6344 if (r < 0)
6345 return bus_log_create_error(r);
6346
6347 if (argc < 2)
6348 r = sd_bus_message_append_strv(m, environ);
6349 else {
6350 char **a, **b;
6351
6352 r = sd_bus_message_open_container(m, 'a', "s");
6353 if (r < 0)
6354 return bus_log_create_error(r);
6355
6356 STRV_FOREACH(a, strv_skip(argv, 1)) {
6357
6358 if (!env_name_is_valid(*a))
6359 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6360
6361 STRV_FOREACH(b, environ) {
6362 const char *eq;
6363
6364 eq = startswith(*b, *a);
6365 if (eq && *eq == '=') {
6366
6367 r = sd_bus_message_append(m, "s", *b);
6368 if (r < 0)
6369 return bus_log_create_error(r);
6370
6371 break;
6372 }
6373 }
6374 }
6375
6376 r = sd_bus_message_close_container(m);
6377 }
6378 if (r < 0)
6379 return bus_log_create_error(r);
6380
6381 r = sd_bus_call(bus, m, 0, &error, NULL);
6382 if (r < 0)
6383 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6384
6385 return 0;
6386 }
6387
6388 static int enable_sysv_units(const char *verb, char **args) {
6389 int r = 0;
6390
6391 #if HAVE_SYSV_COMPAT
6392 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6393 unsigned f = 0;
6394
6395 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6396
6397 if (arg_scope != UNIT_FILE_SYSTEM)
6398 return 0;
6399
6400 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6401 return 0;
6402
6403 if (!STR_IN_SET(verb,
6404 "enable",
6405 "disable",
6406 "is-enabled"))
6407 return 0;
6408
6409 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6410 if (r < 0)
6411 return r;
6412
6413 r = 0;
6414 while (args[f]) {
6415
6416 const char *argv[] = {
6417 ROOTLIBEXECDIR "/systemd-sysv-install",
6418 NULL, /* --root= */
6419 NULL, /* verb */
6420 NULL, /* service */
6421 NULL,
6422 };
6423
6424 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6425 bool found_native = false, found_sysv;
6426 const char *name;
6427 unsigned c = 1;
6428 pid_t pid;
6429 int j;
6430
6431 name = args[f++];
6432
6433 if (!endswith(name, ".service"))
6434 continue;
6435
6436 if (path_is_absolute(name))
6437 continue;
6438
6439 j = unit_file_exists(arg_scope, &paths, name);
6440 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6441 return log_error_errno(j, "Failed to lookup unit file state: %m");
6442 found_native = j != 0;
6443
6444 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6445 * prefer the native unit */
6446 if (found_native && streq(verb, "is-enabled"))
6447 continue;
6448
6449 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6450 if (!p)
6451 return log_oom();
6452
6453 p[strlen(p) - STRLEN(".service")] = 0;
6454 found_sysv = access(p, F_OK) >= 0;
6455 if (!found_sysv)
6456 continue;
6457
6458 if (!arg_quiet) {
6459 if (found_native)
6460 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6461 else
6462 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6463 }
6464
6465 if (!isempty(arg_root)) {
6466 q = strjoin("--root=", arg_root);
6467 if (!q)
6468 return log_oom();
6469
6470 argv[c++] = q;
6471 }
6472
6473 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6474 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6475 v = strdup(verb);
6476 if (!v)
6477 return log_oom();
6478
6479 argv[c++] = v;
6480 argv[c++] = basename(p);
6481 argv[c] = NULL;
6482
6483 l = strv_join((char**)argv, " ");
6484 if (!l)
6485 return log_oom();
6486
6487 if (!arg_quiet)
6488 log_info("Executing: %s", l);
6489
6490 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6491 if (j < 0)
6492 return j;
6493 if (j == 0) {
6494 /* Child */
6495 execv(argv[0], (char**) argv);
6496 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6497 _exit(EXIT_FAILURE);
6498 }
6499
6500 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6501 if (j < 0)
6502 return j;
6503 if (streq(verb, "is-enabled")) {
6504 if (j == EXIT_SUCCESS) {
6505 if (!arg_quiet)
6506 puts("enabled");
6507 r = 1;
6508 } else {
6509 if (!arg_quiet)
6510 puts("disabled");
6511 }
6512
6513 } else if (j != EXIT_SUCCESS)
6514 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6515
6516 if (found_native)
6517 continue;
6518
6519 /* Remove this entry, so that we don't try enabling it as native unit */
6520 assert(f > 0);
6521 f--;
6522 assert(args[f] == name);
6523 strv_remove(args + f, name);
6524 }
6525
6526 #endif
6527 return r;
6528 }
6529
6530 static int mangle_names(char **original_names, char ***mangled_names) {
6531 char **i, **l, **name;
6532 int r;
6533
6534 l = i = new(char*, strv_length(original_names) + 1);
6535 if (!l)
6536 return log_oom();
6537
6538 STRV_FOREACH(name, original_names) {
6539
6540 /* When enabling units qualified path names are OK,
6541 * too, hence allow them explicitly. */
6542
6543 if (is_path(*name)) {
6544 *i = strdup(*name);
6545 if (!*i) {
6546 strv_free(l);
6547 return log_oom();
6548 }
6549 } else {
6550 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6551 if (r < 0) {
6552 *i = NULL;
6553 strv_free(l);
6554 return log_error_errno(r, "Failed to mangle unit name: %m");
6555 }
6556 }
6557
6558 i++;
6559 }
6560
6561 *i = NULL;
6562 *mangled_names = l;
6563
6564 return 0;
6565 }
6566
6567 static int normalize_filenames(char **names) {
6568 char **u;
6569 int r;
6570
6571 STRV_FOREACH(u, names)
6572 if (!path_is_absolute(*u)) {
6573 char* normalized_path;
6574
6575 if (!isempty(arg_root))
6576 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6577 "Non-absolute paths are not allowed when --root is used: %s",
6578 *u);
6579
6580 if (!strchr(*u,'/'))
6581 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6582 "Link argument does contain at least one directory separator: %s",
6583 *u);
6584
6585 r = path_make_absolute_cwd(*u, &normalized_path);
6586 if (r < 0)
6587 return r;
6588
6589 free_and_replace(*u, normalized_path);
6590 }
6591
6592 return 0;
6593 }
6594
6595 static int normalize_names(char **names, bool warn_if_path) {
6596 char **u;
6597 bool was_path = false;
6598
6599 STRV_FOREACH(u, names) {
6600 int r;
6601
6602 if (!is_path(*u))
6603 continue;
6604
6605 r = free_and_strdup(u, basename(*u));
6606 if (r < 0)
6607 return log_error_errno(r, "Failed to normalize unit file path: %m");
6608
6609 was_path = true;
6610 }
6611
6612 if (warn_if_path && was_path)
6613 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6614
6615 return 0;
6616 }
6617
6618 static int unit_exists(LookupPaths *lp, const char *unit) {
6619 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6620 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6621 _cleanup_free_ char *path = NULL;
6622 static const struct bus_properties_map property_map[] = {
6623 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6624 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6625 {},
6626 };
6627 UnitStatusInfo info = {};
6628 sd_bus *bus;
6629 int r;
6630
6631 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6632 return unit_find_template_path(unit, lp, NULL, NULL);
6633
6634 path = unit_dbus_path_from_name(unit);
6635 if (!path)
6636 return log_oom();
6637
6638 r = acquire_bus(BUS_MANAGER, &bus);
6639 if (r < 0)
6640 return r;
6641
6642 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6643 if (r < 0)
6644 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6645
6646 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6647 }
6648
6649 static int enable_unit(int argc, char *argv[], void *userdata) {
6650 _cleanup_strv_free_ char **names = NULL;
6651 const char *verb = argv[0];
6652 UnitFileChange *changes = NULL;
6653 size_t n_changes = 0;
6654 int carries_install_info = -1;
6655 bool ignore_carries_install_info = arg_quiet;
6656 int r;
6657
6658 if (!argv[1])
6659 return 0;
6660
6661 r = mangle_names(strv_skip(argv, 1), &names);
6662 if (r < 0)
6663 return r;
6664
6665 r = enable_sysv_units(verb, names);
6666 if (r < 0)
6667 return r;
6668
6669 /* If the operation was fully executed by the SysV compat, let's finish early */
6670 if (strv_isempty(names)) {
6671 if (arg_no_reload || install_client_side())
6672 return 0;
6673 return daemon_reload(argc, argv, userdata);
6674 }
6675
6676 if (streq(verb, "disable")) {
6677 r = normalize_names(names, true);
6678 if (r < 0)
6679 return r;
6680 }
6681
6682 if (streq(verb, "link")) {
6683 r = normalize_filenames(names);
6684 if (r < 0)
6685 return r;
6686 }
6687
6688 if (install_client_side()) {
6689 UnitFileFlags flags;
6690
6691 flags = args_to_flags();
6692 if (streq(verb, "enable")) {
6693 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6694 carries_install_info = r;
6695 } else if (streq(verb, "disable"))
6696 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6697 else if (streq(verb, "reenable")) {
6698 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6699 carries_install_info = r;
6700 } else if (streq(verb, "link"))
6701 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6702 else if (streq(verb, "preset")) {
6703 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6704 } else if (streq(verb, "mask"))
6705 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6706 else if (streq(verb, "unmask"))
6707 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6708 else if (streq(verb, "revert"))
6709 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6710 else
6711 assert_not_reached("Unknown verb");
6712
6713 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6714 if (r < 0)
6715 goto finish;
6716 r = 0;
6717 } else {
6718 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6719 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6720 bool expect_carries_install_info = false;
6721 bool send_runtime = true, send_force = true, send_preset_mode = false;
6722 const char *method;
6723 sd_bus *bus;
6724
6725 if (STR_IN_SET(verb, "mask", "unmask")) {
6726 char **name;
6727 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6728
6729 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6730 if (r < 0)
6731 return r;
6732
6733 STRV_FOREACH(name, names) {
6734 r = unit_exists(&lp, *name);
6735 if (r < 0)
6736 return r;
6737 if (r == 0)
6738 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6739 }
6740 }
6741
6742 r = acquire_bus(BUS_MANAGER, &bus);
6743 if (r < 0)
6744 return r;
6745
6746 polkit_agent_open_maybe();
6747
6748 if (streq(verb, "enable")) {
6749 method = "EnableUnitFiles";
6750 expect_carries_install_info = true;
6751 } else if (streq(verb, "disable")) {
6752 method = "DisableUnitFiles";
6753 send_force = false;
6754 } else if (streq(verb, "reenable")) {
6755 method = "ReenableUnitFiles";
6756 expect_carries_install_info = true;
6757 } else if (streq(verb, "link"))
6758 method = "LinkUnitFiles";
6759 else if (streq(verb, "preset")) {
6760
6761 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6762 method = "PresetUnitFilesWithMode";
6763 send_preset_mode = true;
6764 } else
6765 method = "PresetUnitFiles";
6766
6767 expect_carries_install_info = true;
6768 ignore_carries_install_info = true;
6769 } else if (streq(verb, "mask"))
6770 method = "MaskUnitFiles";
6771 else if (streq(verb, "unmask")) {
6772 method = "UnmaskUnitFiles";
6773 send_force = false;
6774 } else if (streq(verb, "revert")) {
6775 method = "RevertUnitFiles";
6776 send_runtime = send_force = false;
6777 } else
6778 assert_not_reached("Unknown verb");
6779
6780 r = sd_bus_message_new_method_call(
6781 bus,
6782 &m,
6783 "org.freedesktop.systemd1",
6784 "/org/freedesktop/systemd1",
6785 "org.freedesktop.systemd1.Manager",
6786 method);
6787 if (r < 0)
6788 return bus_log_create_error(r);
6789
6790 r = sd_bus_message_append_strv(m, names);
6791 if (r < 0)
6792 return bus_log_create_error(r);
6793
6794 if (send_preset_mode) {
6795 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6796 if (r < 0)
6797 return bus_log_create_error(r);
6798 }
6799
6800 if (send_runtime) {
6801 r = sd_bus_message_append(m, "b", arg_runtime);
6802 if (r < 0)
6803 return bus_log_create_error(r);
6804 }
6805
6806 if (send_force) {
6807 r = sd_bus_message_append(m, "b", arg_force);
6808 if (r < 0)
6809 return bus_log_create_error(r);
6810 }
6811
6812 r = sd_bus_call(bus, m, 0, &error, &reply);
6813 if (r < 0)
6814 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6815
6816 if (expect_carries_install_info) {
6817 r = sd_bus_message_read(reply, "b", &carries_install_info);
6818 if (r < 0)
6819 return bus_log_parse_error(r);
6820 }
6821
6822 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6823 if (r < 0)
6824 goto finish;
6825
6826 /* Try to reload if enabled */
6827 if (!arg_no_reload)
6828 r = daemon_reload(argc, argv, userdata);
6829 else
6830 r = 0;
6831 }
6832
6833 if (carries_install_info == 0 && !ignore_carries_install_info)
6834 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6835 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6836 "units). This means they are not meant to be enabled using systemctl.\n"
6837 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6838 "Possible reasons for having this kind of units are:\n"
6839 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6840 " .wants/ or .requires/ directory.\n"
6841 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6842 " a requirement dependency on it.\n"
6843 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6844 " D-Bus, udev, scripted systemctl call, ...).\n"
6845 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6846 " instance name specified.",
6847 special_glyph(SPECIAL_GLYPH_BULLET));
6848
6849 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6850 sd_bus *bus;
6851 size_t len, i;
6852
6853 r = acquire_bus(BUS_MANAGER, &bus);
6854 if (r < 0)
6855 goto finish;
6856
6857 len = strv_length(names);
6858 {
6859 char *new_args[len + 2];
6860
6861 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6862 for (i = 0; i < len; i++)
6863 new_args[i + 1] = basename(names[i]);
6864 new_args[i + 1] = NULL;
6865
6866 r = start_unit(len + 1, new_args, userdata);
6867 }
6868 }
6869
6870 finish:
6871 unit_file_changes_free(changes, n_changes);
6872
6873 return r;
6874 }
6875
6876 static int add_dependency(int argc, char *argv[], void *userdata) {
6877 _cleanup_strv_free_ char **names = NULL;
6878 _cleanup_free_ char *target = NULL;
6879 const char *verb = argv[0];
6880 UnitFileChange *changes = NULL;
6881 size_t n_changes = 0;
6882 UnitDependency dep;
6883 int r = 0;
6884
6885 if (!argv[1])
6886 return 0;
6887
6888 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6889 if (r < 0)
6890 return log_error_errno(r, "Failed to mangle unit name: %m");
6891
6892 r = mangle_names(strv_skip(argv, 2), &names);
6893 if (r < 0)
6894 return r;
6895
6896 if (streq(verb, "add-wants"))
6897 dep = UNIT_WANTS;
6898 else if (streq(verb, "add-requires"))
6899 dep = UNIT_REQUIRES;
6900 else
6901 assert_not_reached("Unknown verb");
6902
6903 if (install_client_side()) {
6904 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6905 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6906
6907 if (r > 0)
6908 r = 0;
6909 } else {
6910 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6911 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6912 sd_bus *bus;
6913
6914 r = acquire_bus(BUS_MANAGER, &bus);
6915 if (r < 0)
6916 return r;
6917
6918 polkit_agent_open_maybe();
6919
6920 r = sd_bus_message_new_method_call(
6921 bus,
6922 &m,
6923 "org.freedesktop.systemd1",
6924 "/org/freedesktop/systemd1",
6925 "org.freedesktop.systemd1.Manager",
6926 "AddDependencyUnitFiles");
6927 if (r < 0)
6928 return bus_log_create_error(r);
6929
6930 r = sd_bus_message_append_strv(m, names);
6931 if (r < 0)
6932 return bus_log_create_error(r);
6933
6934 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6935 if (r < 0)
6936 return bus_log_create_error(r);
6937
6938 r = sd_bus_call(bus, m, 0, &error, &reply);
6939 if (r < 0)
6940 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6941
6942 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6943 if (r < 0)
6944 goto finish;
6945
6946 if (arg_no_reload) {
6947 r = 0;
6948 goto finish;
6949 }
6950
6951 r = daemon_reload(argc, argv, userdata);
6952 }
6953
6954 finish:
6955 unit_file_changes_free(changes, n_changes);
6956
6957 return r;
6958 }
6959
6960 static int preset_all(int argc, char *argv[], void *userdata) {
6961 UnitFileChange *changes = NULL;
6962 size_t n_changes = 0;
6963 int r;
6964
6965 if (install_client_side()) {
6966 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6967 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6968
6969 if (r > 0)
6970 r = 0;
6971 } else {
6972 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6973 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6974 sd_bus *bus;
6975
6976 r = acquire_bus(BUS_MANAGER, &bus);
6977 if (r < 0)
6978 return r;
6979
6980 polkit_agent_open_maybe();
6981
6982 r = sd_bus_call_method(
6983 bus,
6984 "org.freedesktop.systemd1",
6985 "/org/freedesktop/systemd1",
6986 "org.freedesktop.systemd1.Manager",
6987 "PresetAllUnitFiles",
6988 &error,
6989 &reply,
6990 "sbb",
6991 unit_file_preset_mode_to_string(arg_preset_mode),
6992 arg_runtime,
6993 arg_force);
6994 if (r < 0)
6995 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6996
6997 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6998 if (r < 0)
6999 goto finish;
7000
7001 if (arg_no_reload) {
7002 r = 0;
7003 goto finish;
7004 }
7005
7006 r = daemon_reload(argc, argv, userdata);
7007 }
7008
7009 finish:
7010 unit_file_changes_free(changes, n_changes);
7011
7012 return r;
7013 }
7014
7015 static int show_installation_targets_client_side(const char *name) {
7016 UnitFileChange *changes = NULL;
7017 size_t n_changes = 0, i;
7018 UnitFileFlags flags;
7019 char **p;
7020 int r;
7021
7022 p = STRV_MAKE(name);
7023 flags = UNIT_FILE_DRY_RUN |
7024 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7025
7026 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7027 if (r < 0)
7028 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7029
7030 for (i = 0; i < n_changes; i++)
7031 if (changes[i].type == UNIT_FILE_UNLINK)
7032 printf(" %s\n", changes[i].path);
7033
7034 return 0;
7035 }
7036
7037 static int show_installation_targets(sd_bus *bus, const char *name) {
7038 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7039 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7040 const char *link;
7041 int r;
7042
7043 r = sd_bus_call_method(
7044 bus,
7045 "org.freedesktop.systemd1",
7046 "/org/freedesktop/systemd1",
7047 "org.freedesktop.systemd1.Manager",
7048 "GetUnitFileLinks",
7049 &error,
7050 &reply,
7051 "sb", name, arg_runtime);
7052 if (r < 0)
7053 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7054
7055 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7056 if (r < 0)
7057 return bus_log_parse_error(r);
7058
7059 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7060 printf(" %s\n", link);
7061
7062 if (r < 0)
7063 return bus_log_parse_error(r);
7064
7065 r = sd_bus_message_exit_container(reply);
7066 if (r < 0)
7067 return bus_log_parse_error(r);
7068
7069 return 0;
7070 }
7071
7072 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7073 _cleanup_strv_free_ char **names = NULL;
7074 bool enabled;
7075 char **name;
7076 int r;
7077
7078 r = mangle_names(strv_skip(argv, 1), &names);
7079 if (r < 0)
7080 return r;
7081
7082 r = enable_sysv_units(argv[0], names);
7083 if (r < 0)
7084 return r;
7085
7086 enabled = r > 0;
7087
7088 if (install_client_side()) {
7089 STRV_FOREACH(name, names) {
7090 UnitFileState state;
7091
7092 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7093 if (r < 0)
7094 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7095
7096 if (IN_SET(state,
7097 UNIT_FILE_ENABLED,
7098 UNIT_FILE_ENABLED_RUNTIME,
7099 UNIT_FILE_STATIC,
7100 UNIT_FILE_INDIRECT,
7101 UNIT_FILE_GENERATED))
7102 enabled = true;
7103
7104 if (!arg_quiet) {
7105 puts(unit_file_state_to_string(state));
7106 if (arg_full) {
7107 r = show_installation_targets_client_side(*name);
7108 if (r < 0)
7109 return r;
7110 }
7111 }
7112 }
7113
7114 r = 0;
7115 } else {
7116 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7117 sd_bus *bus;
7118
7119 r = acquire_bus(BUS_MANAGER, &bus);
7120 if (r < 0)
7121 return r;
7122
7123 STRV_FOREACH(name, names) {
7124 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7125 const char *s;
7126
7127 r = sd_bus_call_method(
7128 bus,
7129 "org.freedesktop.systemd1",
7130 "/org/freedesktop/systemd1",
7131 "org.freedesktop.systemd1.Manager",
7132 "GetUnitFileState",
7133 &error,
7134 &reply,
7135 "s", *name);
7136 if (r < 0)
7137 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7138
7139 r = sd_bus_message_read(reply, "s", &s);
7140 if (r < 0)
7141 return bus_log_parse_error(r);
7142
7143 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7144 enabled = true;
7145
7146 if (!arg_quiet) {
7147 puts(s);
7148 if (arg_full) {
7149 r = show_installation_targets(bus, *name);
7150 if (r < 0)
7151 return r;
7152 }
7153 }
7154 }
7155 }
7156
7157 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7158 }
7159
7160 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7161 char **state = userdata;
7162 int r;
7163
7164 assert(state);
7165
7166 r = sd_bus_get_property_string(
7167 sd_bus_message_get_bus(m),
7168 "org.freedesktop.systemd1",
7169 "/org/freedesktop/systemd1",
7170 "org.freedesktop.systemd1.Manager",
7171 "SystemState",
7172 NULL,
7173 state);
7174
7175 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7176 return 0;
7177 }
7178
7179 static int is_system_running(int argc, char *argv[], void *userdata) {
7180 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7181 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7182 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7183 _cleanup_free_ char *state = NULL;
7184 sd_bus *bus;
7185 int r;
7186
7187 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7188 if (!arg_quiet)
7189 puts("offline");
7190 return EXIT_FAILURE;
7191 }
7192
7193 r = acquire_bus(BUS_MANAGER, &bus);
7194 if (r < 0)
7195 return r;
7196
7197 if (arg_wait) {
7198 r = sd_event_default(&event);
7199 if (r >= 0)
7200 r = sd_bus_attach_event(bus, event, 0);
7201 if (r >= 0)
7202 r = sd_bus_match_signal_async(
7203 bus,
7204 &slot_startup_finished,
7205 "org.freedesktop.systemd1",
7206 "/org/freedesktop/systemd1",
7207 "org.freedesktop.systemd1.Manager",
7208 "StartupFinished",
7209 match_startup_finished, NULL, &state);
7210 if (r < 0) {
7211 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7212 arg_wait = false;
7213 }
7214 }
7215
7216 r = sd_bus_get_property_string(
7217 bus,
7218 "org.freedesktop.systemd1",
7219 "/org/freedesktop/systemd1",
7220 "org.freedesktop.systemd1.Manager",
7221 "SystemState",
7222 &error,
7223 &state);
7224 if (r < 0) {
7225 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7226
7227 if (!arg_quiet)
7228 puts("unknown");
7229 return EXIT_FAILURE;
7230 }
7231
7232 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7233 r = sd_event_loop(event);
7234 if (r < 0) {
7235 log_warning_errno(r, "Failed to get property from event loop: %m");
7236 if (!arg_quiet)
7237 puts("unknown");
7238 return EXIT_FAILURE;
7239 }
7240 }
7241
7242 if (!arg_quiet)
7243 puts(state);
7244
7245 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7246 }
7247
7248 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7249 _cleanup_free_ char *t = NULL;
7250 int r;
7251
7252 assert(new_path);
7253 assert(original_path);
7254 assert(ret_tmp_fn);
7255
7256 r = tempfn_random(new_path, NULL, &t);
7257 if (r < 0)
7258 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7259
7260 r = mkdir_parents(new_path, 0755);
7261 if (r < 0)
7262 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7263
7264 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7265 if (r == -ENOENT) {
7266
7267 r = touch(t);
7268 if (r < 0)
7269 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7270
7271 } else if (r < 0)
7272 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7273
7274 *ret_tmp_fn = TAKE_PTR(t);
7275
7276 return 0;
7277 }
7278
7279 static int get_file_to_edit(
7280 const LookupPaths *paths,
7281 const char *name,
7282 char **ret_path) {
7283
7284 _cleanup_free_ char *path = NULL, *run = NULL;
7285
7286 assert(name);
7287 assert(ret_path);
7288
7289 path = path_join(paths->persistent_config, name);
7290 if (!path)
7291 return log_oom();
7292
7293 if (arg_runtime) {
7294 run = path_join(paths->runtime_config, name);
7295 if (!run)
7296 return log_oom();
7297 }
7298
7299 if (arg_runtime) {
7300 if (access(path, F_OK) >= 0)
7301 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7302 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7303 run, path);
7304
7305 *ret_path = TAKE_PTR(run);
7306 } else
7307 *ret_path = TAKE_PTR(path);
7308
7309 return 0;
7310 }
7311
7312 static int unit_file_create_new(
7313 const LookupPaths *paths,
7314 const char *unit_name,
7315 const char *suffix,
7316 char **ret_new_path,
7317 char **ret_tmp_path) {
7318
7319 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7320 const char *ending;
7321 int r;
7322
7323 assert(unit_name);
7324 assert(ret_new_path);
7325 assert(ret_tmp_path);
7326
7327 ending = strjoina(unit_name, suffix);
7328 r = get_file_to_edit(paths, ending, &new_path);
7329 if (r < 0)
7330 return r;
7331
7332 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7333 if (r < 0)
7334 return r;
7335
7336 *ret_new_path = TAKE_PTR(new_path);
7337 *ret_tmp_path = TAKE_PTR(tmp_path);
7338
7339 return 0;
7340 }
7341
7342 static int unit_file_create_copy(
7343 const LookupPaths *paths,
7344 const char *unit_name,
7345 const char *fragment_path,
7346 char **ret_new_path,
7347 char **ret_tmp_path) {
7348
7349 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7350 int r;
7351
7352 assert(fragment_path);
7353 assert(unit_name);
7354 assert(ret_new_path);
7355 assert(ret_tmp_path);
7356
7357 r = get_file_to_edit(paths, unit_name, &new_path);
7358 if (r < 0)
7359 return r;
7360
7361 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7362 char response;
7363
7364 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7365 if (r < 0)
7366 return r;
7367 if (response != 'y')
7368 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7369 }
7370
7371 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7372 if (r < 0)
7373 return r;
7374
7375 *ret_new_path = TAKE_PTR(new_path);
7376 *ret_tmp_path = TAKE_PTR(tmp_path);
7377
7378 return 0;
7379 }
7380
7381 static int run_editor(char **paths) {
7382 int r;
7383
7384 assert(paths);
7385
7386 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7387 if (r < 0)
7388 return r;
7389 if (r == 0) {
7390 char **editor_args = NULL, **tmp_path, **original_path;
7391 size_t n_editor_args = 0, i = 1, argc;
7392 const char **args, *editor, *p;
7393
7394 argc = strv_length(paths)/2 + 1;
7395
7396 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7397 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7398 * we try to execute well known editors
7399 */
7400 editor = getenv("SYSTEMD_EDITOR");
7401 if (!editor)
7402 editor = getenv("EDITOR");
7403 if (!editor)
7404 editor = getenv("VISUAL");
7405
7406 if (!isempty(editor)) {
7407 editor_args = strv_split(editor, WHITESPACE);
7408 if (!editor_args) {
7409 (void) log_oom();
7410 _exit(EXIT_FAILURE);
7411 }
7412 n_editor_args = strv_length(editor_args);
7413 argc += n_editor_args - 1;
7414 }
7415
7416 args = newa(const char*, argc + 1);
7417
7418 if (n_editor_args > 0) {
7419 args[0] = editor_args[0];
7420 for (; i < n_editor_args; i++)
7421 args[i] = editor_args[i];
7422 }
7423
7424 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7425 args[i++] = *tmp_path;
7426 args[i] = NULL;
7427
7428 if (n_editor_args > 0)
7429 execvp(args[0], (char* const*) args);
7430
7431 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7432 args[0] = p;
7433 execvp(p, (char* const*) args);
7434 /* We do not fail if the editor doesn't exist
7435 * because we want to try each one of them before
7436 * failing.
7437 */
7438 if (errno != ENOENT) {
7439 log_error_errno(errno, "Failed to execute %s: %m", editor);
7440 _exit(EXIT_FAILURE);
7441 }
7442 }
7443
7444 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7445 _exit(EXIT_FAILURE);
7446 }
7447
7448 return 0;
7449 }
7450
7451 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7452 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7453 char **name;
7454 int r;
7455
7456 assert(names);
7457 assert(paths);
7458
7459 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7460 if (r < 0)
7461 return r;
7462
7463 STRV_FOREACH(name, names) {
7464 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7465 const char *unit_name;
7466
7467 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7468 if (r == -EKEYREJECTED) {
7469 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7470 * file path. In that case, find the file client side. */
7471 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7472 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7473 }
7474 if (r == -ERFKILL)
7475 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7476 if (r < 0)
7477 return r;
7478
7479 if (r == 0) {
7480 assert(!path);
7481
7482 if (!arg_force) {
7483 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7484 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7485 arg_scope == UNIT_FILE_USER ? " --user" : "",
7486 *name);
7487 return -ENOENT;
7488 }
7489
7490 /* Create a new unit from scratch */
7491 unit_name = *name;
7492 r = unit_file_create_new(&lp, unit_name,
7493 arg_full ? NULL : ".d/override.conf",
7494 &new_path, &tmp_path);
7495 } else {
7496 assert(path);
7497
7498 unit_name = basename(path);
7499 /* We follow unit aliases, but we need to propagate the instance */
7500 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7501 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7502 _cleanup_free_ char *instance = NULL;
7503
7504 r = unit_name_to_instance(*name, &instance);
7505 if (r < 0)
7506 return r;
7507
7508 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7509 if (r < 0)
7510 return r;
7511
7512 unit_name = tmp_name;
7513 }
7514
7515 if (arg_full)
7516 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7517 else
7518 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7519 }
7520 if (r < 0)
7521 return r;
7522
7523 r = strv_push_pair(paths, new_path, tmp_path);
7524 if (r < 0)
7525 return log_oom();
7526
7527 new_path = tmp_path = NULL;
7528 }
7529
7530 return 0;
7531 }
7532
7533 static int edit(int argc, char *argv[], void *userdata) {
7534 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7535 _cleanup_strv_free_ char **names = NULL;
7536 _cleanup_strv_free_ char **paths = NULL;
7537 char **original, **tmp;
7538 sd_bus *bus;
7539 int r;
7540
7541 if (!on_tty())
7542 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7543
7544 if (arg_transport != BUS_TRANSPORT_LOCAL)
7545 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7546
7547 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7548 if (r < 0)
7549 return log_error_errno(r, "Failed to determine unit paths: %m");
7550
7551 r = acquire_bus(BUS_MANAGER, &bus);
7552 if (r < 0)
7553 return r;
7554
7555 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7556 if (r < 0)
7557 return log_error_errno(r, "Failed to expand names: %m");
7558
7559 STRV_FOREACH(tmp, names) {
7560 r = unit_is_masked(bus, &lp, *tmp);
7561 if (r < 0)
7562 return r;
7563 if (r > 0)
7564 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7565 }
7566
7567 r = find_paths_to_edit(bus, names, &paths);
7568 if (r < 0)
7569 return r;
7570
7571 if (strv_isempty(paths))
7572 return -ENOENT;
7573
7574 r = run_editor(paths);
7575 if (r < 0)
7576 goto end;
7577
7578 STRV_FOREACH_PAIR(original, tmp, paths) {
7579 /* If the temporary file is empty we ignore it.
7580 * This allows the user to cancel the modification.
7581 */
7582 if (null_or_empty_path(*tmp)) {
7583 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7584 continue;
7585 }
7586
7587 r = rename(*tmp, *original);
7588 if (r < 0) {
7589 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7590 goto end;
7591 }
7592 }
7593
7594 r = 0;
7595
7596 if (!arg_no_reload && !install_client_side())
7597 r = daemon_reload(argc, argv, userdata);
7598
7599 end:
7600 STRV_FOREACH_PAIR(original, tmp, paths) {
7601 (void) unlink(*tmp);
7602
7603 /* Removing empty dropin dirs */
7604 if (!arg_full) {
7605 _cleanup_free_ char *dir;
7606
7607 dir = dirname_malloc(*original);
7608 if (!dir)
7609 return log_oom();
7610
7611 /* no need to check if the dir is empty, rmdir
7612 * does nothing if it is not the case.
7613 */
7614 (void) rmdir(dir);
7615 }
7616 }
7617
7618 return r;
7619 }
7620
7621 static int systemctl_help(void) {
7622 _cleanup_free_ char *link = NULL;
7623 int r;
7624
7625 (void) pager_open(arg_pager_flags);
7626
7627 r = terminal_urlify_man("systemctl", "1", &link);
7628 if (r < 0)
7629 return log_oom();
7630
7631 printf("%1$s [OPTIONS...] {COMMAND} ...\n\n"
7632 "Query or send control commands to the systemd manager.\n\n"
7633 " -h --help Show this help\n"
7634 " --version Show package version\n"
7635 " --system Connect to system manager\n"
7636 " --user Connect to user service manager\n"
7637 " -H --host=[USER@]HOST\n"
7638 " Operate on remote host\n"
7639 " -M --machine=CONTAINER\n"
7640 " Operate on local container\n"
7641 " -t --type=TYPE List units of a particular type\n"
7642 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7643 " --failed Shorcut for --state=failed\n"
7644 " -p --property=NAME Show only properties by this name\n"
7645 " -a --all Show all properties/all units currently in memory,\n"
7646 " including dead/empty ones. To list all units installed on\n"
7647 " the system, use the 'list-unit-files' command instead.\n"
7648 " -l --full Don't ellipsize unit names on output\n"
7649 " -r --recursive Show unit list of host and local containers\n"
7650 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7651 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7652 " queueing a new job\n"
7653 " -T --show-transaction\n"
7654 " When enqueuing a unit job, show full transaction\n"
7655 " --show-types When showing sockets, explicitly show their type\n"
7656 " --value When showing properties, only print the value\n"
7657 " -i --ignore-inhibitors\n"
7658 " When shutting down or sleeping, ignore inhibitors\n"
7659 " --kill-who=WHO Who to send signal to\n"
7660 " -s --signal=SIGNAL Which signal to send\n"
7661 " --what=RESOURCES Which types of resources to remove\n"
7662 " --now Start or stop unit in addition to enabling or disabling it\n"
7663 " --dry-run Only print what would be done\n"
7664 " -q --quiet Suppress output\n"
7665 " --wait For (re)start, wait until service stopped again\n"
7666 " For is-system-running, wait until startup is completed\n"
7667 " --no-block Do not wait until operation finished\n"
7668 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7669 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7670 " --no-legend Do not print a legend (column headers and hints)\n"
7671 " --no-pager Do not pipe output into a pager\n"
7672 " --no-ask-password\n"
7673 " Do not ask for system passwords\n"
7674 " --global Enable/disable/mask unit files globally\n"
7675 " --runtime Enable/disable/mask unit files temporarily until next\n"
7676 " reboot\n"
7677 " -f --force When enabling unit files, override existing symlinks\n"
7678 " When shutting down, execute action immediately\n"
7679 " --preset-mode= Apply only enable, only disable, or all presets\n"
7680 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7681 " directory\n"
7682 " -n --lines=INTEGER Number of journal entries to show\n"
7683 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7684 " short-iso, short-iso-precise, short-full,\n"
7685 " short-monotonic, short-unix,\n"
7686 " verbose, export, json, json-pretty, json-sse, cat)\n"
7687 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7688 " --boot-loader-menu=TIME\n"
7689 " Boot into boot loader menu on next boot\n"
7690 " --boot-loader-entry=NAME\n"
7691 " Boot into a specific boot loader entry on next boot\n"
7692 " --plain Print unit dependencies as a list instead of a tree\n\n"
7693 "%3$sUnit Commands:%4$s\n"
7694 " list-units [PATTERN...] List units currently in memory\n"
7695 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7696 " ordered by address\n"
7697 " list-timers [PATTERN...] List timer units currently in memory,\n"
7698 " ordered by next elapse\n"
7699 " start UNIT... Start (activate) one or more units\n"
7700 " stop UNIT... Stop (deactivate) one or more units\n"
7701 " reload UNIT... Reload one or more units\n"
7702 " restart UNIT... Start or restart one or more units\n"
7703 " try-restart UNIT... Restart one or more units if active\n"
7704 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7705 " otherwise start or restart\n"
7706 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7707 " if supported, otherwise restart\n"
7708 " isolate UNIT Start one unit and stop all others\n"
7709 " kill UNIT... Send signal to processes of a unit\n"
7710 " clean UNIT... Clean runtime, cache, state, logs or\n"
7711 " or configuration of unit\n"
7712 " is-active PATTERN... Check whether units are active\n"
7713 " is-failed PATTERN... Check whether units are failed\n"
7714 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7715 " show [PATTERN...|JOB...] Show properties of one or more\n"
7716 " units/jobs or the manager\n"
7717 " cat PATTERN... Show files and drop-ins of specified units\n"
7718 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7719 " help PATTERN...|PID... Show manual for one or more units\n"
7720 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7721 " units\n"
7722 " list-dependencies [UNIT] Recursively show units which are required\n"
7723 " or wanted by this unit or by which this\n"
7724 " unit is required or wanted\n\n"
7725 "%3$sUnit File Commands:%4$s\n"
7726 " list-unit-files [PATTERN...] List installed unit files\n"
7727 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7728 " disable UNIT... Disable one or more unit files\n"
7729 " reenable UNIT... Reenable one or more unit files\n"
7730 " preset UNIT... Enable/disable one or more unit files\n"
7731 " based on preset configuration\n"
7732 " preset-all Enable/disable all unit files based on\n"
7733 " preset configuration\n"
7734 " is-enabled UNIT... Check whether unit files are enabled\n"
7735 " mask UNIT... Mask one or more units\n"
7736 " unmask UNIT... Unmask one or more units\n"
7737 " link PATH... Link one or more units files into\n"
7738 " the search path\n"
7739 " revert UNIT... Revert one or more unit files to vendor\n"
7740 " version\n"
7741 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7742 " on specified one or more units\n"
7743 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7744 " on specified one or more units\n"
7745 " edit UNIT... Edit one or more unit files\n"
7746 " get-default Get the name of the default target\n"
7747 " set-default TARGET Set the default target\n\n"
7748 "%3$sMachine Commands:%4$s\n"
7749 " list-machines [PATTERN...] List local containers and host\n\n"
7750 "%3$sJob Commands:%4$s\n"
7751 " list-jobs [PATTERN...] List jobs\n"
7752 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7753 "%3$sEnvironment Commands:%4$s\n"
7754 " show-environment Dump environment\n"
7755 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7756 " unset-environment VARIABLE... Unset one or more environment variables\n"
7757 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7758 "%3$sManager Lifecycle Commands:%4$s\n"
7759 " daemon-reload Reload systemd manager configuration\n"
7760 " daemon-reexec Reexecute systemd manager\n\n"
7761 "%3$sSystem Commands:%4$s\n"
7762 " is-system-running Check whether system is fully running\n"
7763 " default Enter system default mode\n"
7764 " rescue Enter system rescue mode\n"
7765 " emergency Enter system emergency mode\n"
7766 " halt Shut down and halt the system\n"
7767 " poweroff Shut down and power-off the system\n"
7768 " reboot [ARG] Shut down and reboot the system\n"
7769 " kexec Shut down and reboot the system with kexec\n"
7770 " exit [EXIT_CODE] Request user instance or container exit\n"
7771 " switch-root ROOT [INIT] Change to a different root file system\n"
7772 " suspend Suspend the system\n"
7773 " hibernate Hibernate the system\n"
7774 " hybrid-sleep Hibernate and suspend the system\n"
7775 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7776 " time and put it into hibernate\n"
7777 "\nSee the %2$s for details.\n"
7778 , program_invocation_short_name
7779 , link
7780 , ansi_underline(), ansi_normal()
7781 );
7782
7783 return 0;
7784 }
7785
7786 static int halt_help(void) {
7787 _cleanup_free_ char *link = NULL;
7788 int r;
7789
7790 r = terminal_urlify_man("halt", "8", &link);
7791 if (r < 0)
7792 return log_oom();
7793
7794 printf("%s [OPTIONS...]%s\n\n"
7795 "%s the system.\n\n"
7796 " --help Show this help\n"
7797 " --halt Halt the machine\n"
7798 " -p --poweroff Switch off the machine\n"
7799 " --reboot Reboot the machine\n"
7800 " -f --force Force immediate halt/power-off/reboot\n"
7801 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7802 " -d --no-wtmp Don't write wtmp record\n"
7803 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7804 "\nSee the %s for details.\n"
7805 , program_invocation_short_name
7806 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7807 arg_action == ACTION_REBOOT ? "Reboot" :
7808 arg_action == ACTION_POWEROFF ? "Power off" :
7809 "Halt"
7810 , link
7811 );
7812
7813 return 0;
7814 }
7815
7816 static int shutdown_help(void) {
7817 _cleanup_free_ char *link = NULL;
7818 int r;
7819
7820 r = terminal_urlify_man("shutdown", "8", &link);
7821 if (r < 0)
7822 return log_oom();
7823
7824 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7825 "Shut down the system.\n\n"
7826 " --help Show this help\n"
7827 " -H --halt Halt the machine\n"
7828 " -P --poweroff Power-off the machine\n"
7829 " -r --reboot Reboot the machine\n"
7830 " -h Equivalent to --poweroff, overridden by --halt\n"
7831 " -k Don't halt/power-off/reboot, just send warnings\n"
7832 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7833 " -c Cancel a pending shutdown\n"
7834 "\nSee the %s for details.\n"
7835 , program_invocation_short_name
7836 , link
7837 );
7838
7839 return 0;
7840 }
7841
7842 static int telinit_help(void) {
7843 _cleanup_free_ char *link = NULL;
7844 int r;
7845
7846 r = terminal_urlify_man("telinit", "8", &link);
7847 if (r < 0)
7848 return log_oom();
7849
7850 printf("%s [OPTIONS...] {COMMAND}\n\n"
7851 "Send control commands to the init daemon.\n\n"
7852 " --help Show this help\n"
7853 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7854 "Commands:\n"
7855 " 0 Power-off the machine\n"
7856 " 6 Reboot the machine\n"
7857 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7858 " 1, s, S Enter rescue mode\n"
7859 " q, Q Reload init daemon configuration\n"
7860 " u, U Reexecute init daemon\n"
7861 "\nSee the %s for details.\n"
7862 , program_invocation_short_name
7863 , link
7864 );
7865
7866 return 0;
7867 }
7868
7869 static int runlevel_help(void) {
7870 _cleanup_free_ char *link = NULL;
7871 int r;
7872
7873 r = terminal_urlify_man("runlevel", "8", &link);
7874 if (r < 0)
7875 return log_oom();
7876
7877 printf("%s [OPTIONS...]\n\n"
7878 "Prints the previous and current runlevel of the init system.\n\n"
7879 " --help Show this help\n"
7880 "\nSee the %s for details.\n"
7881 , program_invocation_short_name
7882 , link
7883 );
7884
7885 return 0;
7886 }
7887
7888 static void help_types(void) {
7889 if (!arg_no_legend)
7890 puts("Available unit types:");
7891
7892 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7893 }
7894
7895 static void help_states(void) {
7896 if (!arg_no_legend)
7897 puts("Available unit load states:");
7898 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7899
7900 if (!arg_no_legend)
7901 puts("\nAvailable unit active states:");
7902 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7903
7904 if (!arg_no_legend)
7905 puts("\nAvailable automount unit substates:");
7906 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7907
7908 if (!arg_no_legend)
7909 puts("\nAvailable device unit substates:");
7910 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7911
7912 if (!arg_no_legend)
7913 puts("\nAvailable mount unit substates:");
7914 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7915
7916 if (!arg_no_legend)
7917 puts("\nAvailable path unit substates:");
7918 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7919
7920 if (!arg_no_legend)
7921 puts("\nAvailable scope unit substates:");
7922 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7923
7924 if (!arg_no_legend)
7925 puts("\nAvailable service unit substates:");
7926 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7927
7928 if (!arg_no_legend)
7929 puts("\nAvailable slice unit substates:");
7930 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7931
7932 if (!arg_no_legend)
7933 puts("\nAvailable socket unit substates:");
7934 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7935
7936 if (!arg_no_legend)
7937 puts("\nAvailable swap unit substates:");
7938 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7939
7940 if (!arg_no_legend)
7941 puts("\nAvailable target unit substates:");
7942 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7943
7944 if (!arg_no_legend)
7945 puts("\nAvailable timer unit substates:");
7946 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7947 }
7948
7949 static int help_boot_loader_entry(void) {
7950 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7951 _cleanup_free_ char **l = NULL;
7952 sd_bus *bus;
7953 char **i;
7954 int r;
7955
7956 r = acquire_bus(BUS_FULL, &bus);
7957 if (r < 0)
7958 return r;
7959
7960 r = sd_bus_get_property_strv(
7961 bus,
7962 "org.freedesktop.login1",
7963 "/org/freedesktop/login1",
7964 "org.freedesktop.login1.Manager",
7965 "BootLoaderEntries",
7966 &error,
7967 &l);
7968 if (r < 0)
7969 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
7970
7971 if (strv_isempty(l))
7972 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
7973
7974 STRV_FOREACH(i, l)
7975 puts(*i);
7976
7977 return 0;
7978 }
7979
7980 static int systemctl_parse_argv(int argc, char *argv[]) {
7981 enum {
7982 ARG_FAIL = 0x100,
7983 ARG_REVERSE,
7984 ARG_AFTER,
7985 ARG_BEFORE,
7986 ARG_DRY_RUN,
7987 ARG_SHOW_TYPES,
7988 ARG_IRREVERSIBLE,
7989 ARG_IGNORE_DEPENDENCIES,
7990 ARG_VALUE,
7991 ARG_VERSION,
7992 ARG_USER,
7993 ARG_SYSTEM,
7994 ARG_GLOBAL,
7995 ARG_NO_BLOCK,
7996 ARG_NO_LEGEND,
7997 ARG_NO_PAGER,
7998 ARG_NO_WALL,
7999 ARG_ROOT,
8000 ARG_NO_RELOAD,
8001 ARG_KILL_WHO,
8002 ARG_NO_ASK_PASSWORD,
8003 ARG_FAILED,
8004 ARG_RUNTIME,
8005 ARG_PLAIN,
8006 ARG_STATE,
8007 ARG_JOB_MODE,
8008 ARG_PRESET_MODE,
8009 ARG_FIRMWARE_SETUP,
8010 ARG_BOOT_LOADER_MENU,
8011 ARG_BOOT_LOADER_ENTRY,
8012 ARG_NOW,
8013 ARG_MESSAGE,
8014 ARG_WAIT,
8015 ARG_WHAT,
8016 };
8017
8018 static const struct option options[] = {
8019 { "help", no_argument, NULL, 'h' },
8020 { "version", no_argument, NULL, ARG_VERSION },
8021 { "type", required_argument, NULL, 't' },
8022 { "property", required_argument, NULL, 'p' },
8023 { "all", no_argument, NULL, 'a' },
8024 { "reverse", no_argument, NULL, ARG_REVERSE },
8025 { "after", no_argument, NULL, ARG_AFTER },
8026 { "before", no_argument, NULL, ARG_BEFORE },
8027 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8028 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8029 { "full", no_argument, NULL, 'l' },
8030 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8031 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8032 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8033 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8034 { "ignore-inhibitors", no_argument, NULL, 'i' },
8035 { "value", no_argument, NULL, ARG_VALUE },
8036 { "user", no_argument, NULL, ARG_USER },
8037 { "system", no_argument, NULL, ARG_SYSTEM },
8038 { "global", no_argument, NULL, ARG_GLOBAL },
8039 { "wait", no_argument, NULL, ARG_WAIT },
8040 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8041 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8042 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8043 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8044 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8045 { "quiet", no_argument, NULL, 'q' },
8046 { "root", required_argument, NULL, ARG_ROOT },
8047 { "force", no_argument, NULL, 'f' },
8048 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8049 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8050 { "signal", required_argument, NULL, 's' },
8051 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8052 { "host", required_argument, NULL, 'H' },
8053 { "machine", required_argument, NULL, 'M' },
8054 { "runtime", no_argument, NULL, ARG_RUNTIME },
8055 { "lines", required_argument, NULL, 'n' },
8056 { "output", required_argument, NULL, 'o' },
8057 { "plain", no_argument, NULL, ARG_PLAIN },
8058 { "state", required_argument, NULL, ARG_STATE },
8059 { "recursive", no_argument, NULL, 'r' },
8060 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8061 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8062 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8063 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8064 { "now", no_argument, NULL, ARG_NOW },
8065 { "message", required_argument, NULL, ARG_MESSAGE },
8066 { "show-transaction", no_argument, NULL, 'T' },
8067 { "what", required_argument, NULL, ARG_WHAT },
8068 {}
8069 };
8070
8071 int c, r;
8072
8073 assert(argc >= 0);
8074 assert(argv);
8075
8076 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8077 arg_ask_password = true;
8078
8079 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8080
8081 switch (c) {
8082
8083 case 'h':
8084 return systemctl_help();
8085
8086 case ARG_VERSION:
8087 return version();
8088
8089 case 't': {
8090 const char *p;
8091
8092 if (isempty(optarg))
8093 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8094 "--type= requires arguments.");
8095
8096 for (p = optarg;;) {
8097 _cleanup_free_ char *type = NULL;
8098
8099 r = extract_first_word(&p, &type, ",", 0);
8100 if (r < 0)
8101 return log_error_errno(r, "Failed to parse type: %s", optarg);
8102 if (r == 0)
8103 break;
8104
8105 if (streq(type, "help")) {
8106 help_types();
8107 return 0;
8108 }
8109
8110 if (unit_type_from_string(type) >= 0) {
8111 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8112 return log_oom();
8113 continue;
8114 }
8115
8116 /* It's much nicer to use --state= for
8117 * load states, but let's support this
8118 * in --types= too for compatibility
8119 * with old versions */
8120 if (unit_load_state_from_string(type) >= 0) {
8121 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8122 return log_oom();
8123 continue;
8124 }
8125
8126 log_error("Unknown unit type or load state '%s'.", type);
8127 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8128 "Use -t help to see a list of allowed values.");
8129 }
8130
8131 break;
8132 }
8133
8134 case 'p':
8135 /* Make sure that if the empty property list was specified, we won't show any
8136 properties. */
8137 if (isempty(optarg) && !arg_properties) {
8138 arg_properties = new0(char*, 1);
8139 if (!arg_properties)
8140 return log_oom();
8141 } else {
8142 const char *p;
8143
8144 for (p = optarg;;) {
8145 _cleanup_free_ char *prop = NULL;
8146
8147 r = extract_first_word(&p, &prop, ",", 0);
8148 if (r < 0)
8149 return log_error_errno(r, "Failed to parse property: %s", optarg);
8150 if (r == 0)
8151 break;
8152
8153 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8154 return log_oom();
8155 }
8156 }
8157
8158 /* If the user asked for a particular
8159 * property, show it to him, even if it is
8160 * empty. */
8161 arg_all = true;
8162
8163 break;
8164
8165 case 'a':
8166 arg_all = true;
8167 break;
8168
8169 case ARG_REVERSE:
8170 arg_dependency = DEPENDENCY_REVERSE;
8171 break;
8172
8173 case ARG_AFTER:
8174 arg_dependency = DEPENDENCY_AFTER;
8175 arg_jobs_after = true;
8176 break;
8177
8178 case ARG_BEFORE:
8179 arg_dependency = DEPENDENCY_BEFORE;
8180 arg_jobs_before = true;
8181 break;
8182
8183 case ARG_SHOW_TYPES:
8184 arg_show_types = true;
8185 break;
8186
8187 case ARG_VALUE:
8188 arg_value = true;
8189 break;
8190
8191 case ARG_JOB_MODE:
8192 arg_job_mode = optarg;
8193 break;
8194
8195 case ARG_FAIL:
8196 arg_job_mode = "fail";
8197 break;
8198
8199 case ARG_IRREVERSIBLE:
8200 arg_job_mode = "replace-irreversibly";
8201 break;
8202
8203 case ARG_IGNORE_DEPENDENCIES:
8204 arg_job_mode = "ignore-dependencies";
8205 break;
8206
8207 case ARG_USER:
8208 arg_scope = UNIT_FILE_USER;
8209 break;
8210
8211 case ARG_SYSTEM:
8212 arg_scope = UNIT_FILE_SYSTEM;
8213 break;
8214
8215 case ARG_GLOBAL:
8216 arg_scope = UNIT_FILE_GLOBAL;
8217 break;
8218
8219 case ARG_WAIT:
8220 arg_wait = true;
8221 break;
8222
8223 case ARG_NO_BLOCK:
8224 arg_no_block = true;
8225 break;
8226
8227 case ARG_NO_LEGEND:
8228 arg_no_legend = true;
8229 break;
8230
8231 case ARG_NO_PAGER:
8232 arg_pager_flags |= PAGER_DISABLE;
8233 break;
8234
8235 case ARG_NO_WALL:
8236 arg_no_wall = true;
8237 break;
8238
8239 case ARG_ROOT:
8240 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8241 if (r < 0)
8242 return r;
8243 break;
8244
8245 case 'l':
8246 arg_full = true;
8247 break;
8248
8249 case ARG_FAILED:
8250 if (strv_extend(&arg_states, "failed") < 0)
8251 return log_oom();
8252
8253 break;
8254
8255 case ARG_DRY_RUN:
8256 arg_dry_run = true;
8257 break;
8258
8259 case 'q':
8260 arg_quiet = true;
8261 break;
8262
8263 case 'f':
8264 arg_force++;
8265 break;
8266
8267 case ARG_NO_RELOAD:
8268 arg_no_reload = true;
8269 break;
8270
8271 case ARG_KILL_WHO:
8272 arg_kill_who = optarg;
8273 break;
8274
8275 case 's':
8276 if (streq(optarg, "help")) {
8277 DUMP_STRING_TABLE(signal, int, _NSIG);
8278 return 0;
8279 }
8280
8281 arg_signal = signal_from_string(optarg);
8282 if (arg_signal < 0)
8283 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8284 "Failed to parse signal string %s.",
8285 optarg);
8286 break;
8287
8288 case ARG_NO_ASK_PASSWORD:
8289 arg_ask_password = false;
8290 break;
8291
8292 case 'H':
8293 arg_transport = BUS_TRANSPORT_REMOTE;
8294 arg_host = optarg;
8295 break;
8296
8297 case 'M':
8298 arg_transport = BUS_TRANSPORT_MACHINE;
8299 arg_host = optarg;
8300 break;
8301
8302 case ARG_RUNTIME:
8303 arg_runtime = true;
8304 break;
8305
8306 case 'n':
8307 if (safe_atou(optarg, &arg_lines) < 0)
8308 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8309 "Failed to parse lines '%s'",
8310 optarg);
8311 break;
8312
8313 case 'o':
8314 if (streq(optarg, "help")) {
8315 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8316 return 0;
8317 }
8318
8319 arg_output = output_mode_from_string(optarg);
8320 if (arg_output < 0)
8321 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8322 "Unknown output '%s'.",
8323 optarg);
8324 break;
8325
8326 case 'i':
8327 arg_ignore_inhibitors = true;
8328 break;
8329
8330 case ARG_PLAIN:
8331 arg_plain = true;
8332 break;
8333
8334 case ARG_FIRMWARE_SETUP:
8335 arg_firmware_setup = true;
8336 break;
8337
8338 case ARG_BOOT_LOADER_MENU:
8339
8340 r = parse_sec(optarg, &arg_boot_loader_menu);
8341 if (r < 0)
8342 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8343
8344 break;
8345
8346 case ARG_BOOT_LOADER_ENTRY:
8347
8348 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8349 r = help_boot_loader_entry();
8350 if (r < 0)
8351 return r;
8352
8353 return 0;
8354 }
8355
8356 arg_boot_loader_entry = empty_to_null(optarg);
8357 break;
8358
8359 case ARG_STATE: {
8360 const char *p;
8361
8362 if (isempty(optarg))
8363 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8364 "--state= requires arguments.");
8365
8366 for (p = optarg;;) {
8367 _cleanup_free_ char *s = NULL;
8368
8369 r = extract_first_word(&p, &s, ",", 0);
8370 if (r < 0)
8371 return log_error_errno(r, "Failed to parse state: %s", optarg);
8372 if (r == 0)
8373 break;
8374
8375 if (streq(s, "help")) {
8376 help_states();
8377 return 0;
8378 }
8379
8380 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8381 return log_oom();
8382 }
8383 break;
8384 }
8385
8386 case 'r':
8387 if (geteuid() != 0)
8388 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8389 "--recursive requires root privileges.");
8390
8391 arg_recursive = true;
8392 break;
8393
8394 case ARG_PRESET_MODE:
8395 if (streq(optarg, "help")) {
8396 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8397 return 0;
8398 }
8399
8400 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8401 if (arg_preset_mode < 0)
8402 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8403 "Failed to parse preset mode: %s.", optarg);
8404
8405 break;
8406
8407 case ARG_NOW:
8408 arg_now = true;
8409 break;
8410
8411 case ARG_MESSAGE:
8412 if (strv_extend(&arg_wall, optarg) < 0)
8413 return log_oom();
8414 break;
8415
8416 case 'T':
8417 arg_show_transaction = true;
8418 break;
8419
8420 case ARG_WHAT: {
8421 const char *p;
8422
8423 if (isempty(optarg))
8424 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8425
8426 for (p = optarg;;) {
8427 _cleanup_free_ char *k = NULL;
8428
8429 r = extract_first_word(&p, &k, ",", 0);
8430 if (r < 0)
8431 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8432 if (r == 0)
8433 break;
8434
8435 if (streq(k, "help")) {
8436 puts("runtime\n"
8437 "state\n"
8438 "cache\n"
8439 "logs\n"
8440 "configuration");
8441 return 0;
8442 }
8443
8444 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8445 if (r < 0)
8446 return log_oom();
8447 }
8448
8449 break;
8450 }
8451
8452 case '.':
8453 /* Output an error mimicking getopt, and print a hint afterwards */
8454 log_error("%s: invalid option -- '.'", program_invocation_name);
8455 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8456 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8457 program_invocation_name, optarg ?: "mount");
8458 _fallthrough_;
8459
8460 case '?':
8461 return -EINVAL;
8462
8463 default:
8464 assert_not_reached("Unhandled option");
8465 }
8466
8467 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8468 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8469 "Cannot access user instance remotely.");
8470
8471 if (arg_wait && arg_no_block)
8472 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8473 "--wait may not be combined with --no-block.");
8474
8475 return 1;
8476 }
8477
8478 static int halt_parse_argv(int argc, char *argv[]) {
8479 enum {
8480 ARG_HELP = 0x100,
8481 ARG_HALT,
8482 ARG_REBOOT,
8483 ARG_NO_WALL
8484 };
8485
8486 static const struct option options[] = {
8487 { "help", no_argument, NULL, ARG_HELP },
8488 { "halt", no_argument, NULL, ARG_HALT },
8489 { "poweroff", no_argument, NULL, 'p' },
8490 { "reboot", no_argument, NULL, ARG_REBOOT },
8491 { "force", no_argument, NULL, 'f' },
8492 { "wtmp-only", no_argument, NULL, 'w' },
8493 { "no-wtmp", no_argument, NULL, 'd' },
8494 { "no-sync", no_argument, NULL, 'n' },
8495 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8496 {}
8497 };
8498
8499 int c, r, runlevel;
8500
8501 assert(argc >= 0);
8502 assert(argv);
8503
8504 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8505 if (IN_SET(runlevel, '0', '6'))
8506 arg_force = 2;
8507
8508 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8509 switch (c) {
8510
8511 case ARG_HELP:
8512 return halt_help();
8513
8514 case ARG_HALT:
8515 arg_action = ACTION_HALT;
8516 break;
8517
8518 case 'p':
8519 if (arg_action != ACTION_REBOOT)
8520 arg_action = ACTION_POWEROFF;
8521 break;
8522
8523 case ARG_REBOOT:
8524 arg_action = ACTION_REBOOT;
8525 break;
8526
8527 case 'f':
8528 arg_force = 2;
8529 break;
8530
8531 case 'w':
8532 arg_dry_run = true;
8533 break;
8534
8535 case 'd':
8536 arg_no_wtmp = true;
8537 break;
8538
8539 case 'n':
8540 arg_no_sync = true;
8541 break;
8542
8543 case ARG_NO_WALL:
8544 arg_no_wall = true;
8545 break;
8546
8547 case 'i':
8548 case 'h':
8549 /* Compatibility nops */
8550 break;
8551
8552 case '?':
8553 return -EINVAL;
8554
8555 default:
8556 assert_not_reached("Unhandled option");
8557 }
8558
8559 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8560 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8561 if (r < 0)
8562 return r;
8563 } else if (optind < argc)
8564 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8565 "Too many arguments.");
8566
8567 return 1;
8568 }
8569
8570 static int shutdown_parse_argv(int argc, char *argv[]) {
8571 enum {
8572 ARG_HELP = 0x100,
8573 ARG_NO_WALL
8574 };
8575
8576 static const struct option options[] = {
8577 { "help", no_argument, NULL, ARG_HELP },
8578 { "halt", no_argument, NULL, 'H' },
8579 { "poweroff", no_argument, NULL, 'P' },
8580 { "reboot", no_argument, NULL, 'r' },
8581 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8582 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8583 {}
8584 };
8585
8586 char **wall = NULL;
8587 int c, r;
8588
8589 assert(argc >= 0);
8590 assert(argv);
8591
8592 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8593 switch (c) {
8594
8595 case ARG_HELP:
8596 return shutdown_help();
8597
8598 case 'H':
8599 arg_action = ACTION_HALT;
8600 break;
8601
8602 case 'P':
8603 arg_action = ACTION_POWEROFF;
8604 break;
8605
8606 case 'r':
8607 if (kexec_loaded())
8608 arg_action = ACTION_KEXEC;
8609 else
8610 arg_action = ACTION_REBOOT;
8611 break;
8612
8613 case 'K':
8614 arg_action = ACTION_KEXEC;
8615 break;
8616
8617 case 'h':
8618 if (arg_action != ACTION_HALT)
8619 arg_action = ACTION_POWEROFF;
8620 break;
8621
8622 case 'k':
8623 arg_dry_run = true;
8624 break;
8625
8626 case ARG_NO_WALL:
8627 arg_no_wall = true;
8628 break;
8629
8630 case 'a':
8631 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8632 case 'f':
8633 case 'F':
8634 /* Compatibility nops */
8635 break;
8636
8637 case 'c':
8638 arg_action = ACTION_CANCEL_SHUTDOWN;
8639 break;
8640
8641 case '?':
8642 return -EINVAL;
8643
8644 default:
8645 assert_not_reached("Unhandled option");
8646 }
8647
8648 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8649 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8650 if (r < 0) {
8651 log_error("Failed to parse time specification: %s", argv[optind]);
8652 return r;
8653 }
8654 } else
8655 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8656
8657 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8658 /* No time argument for shutdown cancel */
8659 wall = argv + optind;
8660 else if (argc > optind + 1)
8661 /* We skip the time argument */
8662 wall = argv + optind + 1;
8663
8664 if (wall) {
8665 arg_wall = strv_copy(wall);
8666 if (!arg_wall)
8667 return log_oom();
8668 }
8669
8670 optind = argc;
8671
8672 return 1;
8673 }
8674
8675 static int telinit_parse_argv(int argc, char *argv[]) {
8676 enum {
8677 ARG_HELP = 0x100,
8678 ARG_NO_WALL
8679 };
8680
8681 static const struct option options[] = {
8682 { "help", no_argument, NULL, ARG_HELP },
8683 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8684 {}
8685 };
8686
8687 static const struct {
8688 char from;
8689 enum action to;
8690 } table[] = {
8691 { '0', ACTION_POWEROFF },
8692 { '6', ACTION_REBOOT },
8693 { '1', ACTION_RESCUE },
8694 { '2', ACTION_RUNLEVEL2 },
8695 { '3', ACTION_RUNLEVEL3 },
8696 { '4', ACTION_RUNLEVEL4 },
8697 { '5', ACTION_RUNLEVEL5 },
8698 { 's', ACTION_RESCUE },
8699 { 'S', ACTION_RESCUE },
8700 { 'q', ACTION_RELOAD },
8701 { 'Q', ACTION_RELOAD },
8702 { 'u', ACTION_REEXEC },
8703 { 'U', ACTION_REEXEC }
8704 };
8705
8706 unsigned i;
8707 int c;
8708
8709 assert(argc >= 0);
8710 assert(argv);
8711
8712 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8713 switch (c) {
8714
8715 case ARG_HELP:
8716 return telinit_help();
8717
8718 case ARG_NO_WALL:
8719 arg_no_wall = true;
8720 break;
8721
8722 case '?':
8723 return -EINVAL;
8724
8725 default:
8726 assert_not_reached("Unhandled option");
8727 }
8728
8729 if (optind >= argc)
8730 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8731 "%s: required argument missing.",
8732 program_invocation_short_name);
8733
8734 if (optind + 1 < argc)
8735 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8736 "Too many arguments.");
8737
8738 if (strlen(argv[optind]) != 1)
8739 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8740 "Expected single character argument.");
8741
8742 for (i = 0; i < ELEMENTSOF(table); i++)
8743 if (table[i].from == argv[optind][0])
8744 break;
8745
8746 if (i >= ELEMENTSOF(table))
8747 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8748 "Unknown command '%s'.", argv[optind]);
8749
8750 arg_action = table[i].to;
8751
8752 optind++;
8753
8754 return 1;
8755 }
8756
8757 static int runlevel_parse_argv(int argc, char *argv[]) {
8758 enum {
8759 ARG_HELP = 0x100,
8760 };
8761
8762 static const struct option options[] = {
8763 { "help", no_argument, NULL, ARG_HELP },
8764 {}
8765 };
8766
8767 int c;
8768
8769 assert(argc >= 0);
8770 assert(argv);
8771
8772 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8773 switch (c) {
8774
8775 case ARG_HELP:
8776 return runlevel_help();
8777
8778 case '?':
8779 return -EINVAL;
8780
8781 default:
8782 assert_not_reached("Unhandled option");
8783 }
8784
8785 if (optind < argc)
8786 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8787 "Too many arguments.");
8788
8789 return 1;
8790 }
8791
8792 static int parse_argv(int argc, char *argv[]) {
8793 assert(argc >= 0);
8794 assert(argv);
8795
8796 if (program_invocation_short_name) {
8797
8798 if (strstr(program_invocation_short_name, "halt")) {
8799 arg_action = ACTION_HALT;
8800 return halt_parse_argv(argc, argv);
8801
8802 } else if (strstr(program_invocation_short_name, "poweroff")) {
8803 arg_action = ACTION_POWEROFF;
8804 return halt_parse_argv(argc, argv);
8805
8806 } else if (strstr(program_invocation_short_name, "reboot")) {
8807 if (kexec_loaded())
8808 arg_action = ACTION_KEXEC;
8809 else
8810 arg_action = ACTION_REBOOT;
8811 return halt_parse_argv(argc, argv);
8812
8813 } else if (strstr(program_invocation_short_name, "shutdown")) {
8814 arg_action = ACTION_POWEROFF;
8815 return shutdown_parse_argv(argc, argv);
8816
8817 } else if (strstr(program_invocation_short_name, "init")) {
8818
8819 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8820 * 1 on SysV.
8821 *
8822 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8823 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8824 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8825 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8826 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8827 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8828 * quick way to match both.
8829 *
8830 * Also see redirect_telinit() in src/core/main.c. */
8831
8832 if (sd_booted() > 0) {
8833 arg_action = _ACTION_INVALID;
8834 return telinit_parse_argv(argc, argv);
8835 } else {
8836 /* Hmm, so some other init system is running, we need to forward this request to
8837 * it. For now we simply guess that it is Upstart. */
8838
8839 (void) rlimit_nofile_safe();
8840 execv(TELINIT, argv);
8841
8842 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8843 "Couldn't find an alternative telinit implementation to spawn.");
8844 }
8845
8846 } else if (strstr(program_invocation_short_name, "runlevel")) {
8847 arg_action = ACTION_RUNLEVEL;
8848 return runlevel_parse_argv(argc, argv);
8849 }
8850 }
8851
8852 arg_action = ACTION_SYSTEMCTL;
8853 return systemctl_parse_argv(argc, argv);
8854 }
8855
8856 #if HAVE_SYSV_COMPAT
8857 _pure_ static int action_to_runlevel(void) {
8858 static const char table[_ACTION_MAX] = {
8859 [ACTION_HALT] = '0',
8860 [ACTION_POWEROFF] = '0',
8861 [ACTION_REBOOT] = '6',
8862 [ACTION_RUNLEVEL2] = '2',
8863 [ACTION_RUNLEVEL3] = '3',
8864 [ACTION_RUNLEVEL4] = '4',
8865 [ACTION_RUNLEVEL5] = '5',
8866 [ACTION_RESCUE] = '1'
8867 };
8868
8869 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8870 return table[arg_action];
8871 }
8872 #endif
8873
8874 static int systemctl_main(int argc, char *argv[]) {
8875 static const Verb verbs[] = {
8876 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8877 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8878 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8879 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8880 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8881 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8882 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8883 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8884 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8885 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8886 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8887 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8888 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8889 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8890 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8891 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8892 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8893 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8894 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8895 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8896 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8897 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8898 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_unit },
8899 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8900 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8901 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8902 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8903 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8904 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8905 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8906 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8907 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8908 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8909 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8910 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8911 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8912 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8913 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8914 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8915 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8916 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8917 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8918 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8919 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8920 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8921 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8922 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8923 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8924 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8925 { "enable", 2, VERB_ANY, 0, enable_unit },
8926 { "disable", 2, VERB_ANY, 0, enable_unit },
8927 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8928 { "reenable", 2, VERB_ANY, 0, enable_unit },
8929 { "preset", 2, VERB_ANY, 0, enable_unit },
8930 { "preset-all", VERB_ANY, 1, 0, preset_all },
8931 { "mask", 2, VERB_ANY, 0, enable_unit },
8932 { "unmask", 2, VERB_ANY, 0, enable_unit },
8933 { "link", 2, VERB_ANY, 0, enable_unit },
8934 { "revert", 2, VERB_ANY, 0, enable_unit },
8935 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8936 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8937 { "set-default", 2, 2, 0, set_default },
8938 { "get-default", VERB_ANY, 1, 0, get_default },
8939 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8940 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8941 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8942 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8943 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8944 {}
8945 };
8946
8947 return dispatch_verb(argc, argv, verbs, NULL);
8948 }
8949
8950 static int reload_with_fallback(void) {
8951 /* First, try systemd via D-Bus. */
8952 if (daemon_reload(0, NULL, NULL) >= 0)
8953 return 0;
8954
8955 /* Nothing else worked, so let's try signals */
8956 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8957
8958 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8959 return log_error_errno(errno, "kill() failed: %m");
8960
8961 return 0;
8962 }
8963
8964 static int start_with_fallback(void) {
8965 /* First, try systemd via D-Bus. */
8966 if (start_unit(0, NULL, NULL) == 0)
8967 return 0;
8968
8969 #if HAVE_SYSV_COMPAT
8970 /* Nothing else worked, so let's try /dev/initctl */
8971 if (talk_initctl(action_to_runlevel()) > 0)
8972 return 0;
8973 #endif
8974
8975 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8976 "Failed to talk to init daemon.");
8977 }
8978
8979 static int halt_now(enum action a) {
8980 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8981 * synced explicitly in advance. */
8982 if (!arg_no_sync && !arg_dry_run)
8983 (void) sync();
8984
8985 /* Make sure C-A-D is handled by the kernel from this point on... */
8986 if (!arg_dry_run)
8987 (void) reboot(RB_ENABLE_CAD);
8988
8989 switch (a) {
8990
8991 case ACTION_HALT:
8992 if (!arg_quiet)
8993 log_info("Halting.");
8994 if (arg_dry_run)
8995 return 0;
8996 (void) reboot(RB_HALT_SYSTEM);
8997 return -errno;
8998
8999 case ACTION_POWEROFF:
9000 if (!arg_quiet)
9001 log_info("Powering off.");
9002 if (arg_dry_run)
9003 return 0;
9004 (void) reboot(RB_POWER_OFF);
9005 return -errno;
9006
9007 case ACTION_KEXEC:
9008 case ACTION_REBOOT:
9009 return reboot_with_parameter(REBOOT_FALLBACK |
9010 (arg_quiet ? 0 : REBOOT_LOG) |
9011 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9012
9013 default:
9014 assert_not_reached("Unknown action.");
9015 }
9016 }
9017
9018 static int logind_schedule_shutdown(void) {
9019
9020 #if ENABLE_LOGIND
9021 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9022 char date[FORMAT_TIMESTAMP_MAX];
9023 const char *action;
9024 sd_bus *bus;
9025 int r;
9026
9027 r = acquire_bus(BUS_FULL, &bus);
9028 if (r < 0)
9029 return r;
9030
9031 switch (arg_action) {
9032 case ACTION_HALT:
9033 action = "halt";
9034 break;
9035 case ACTION_POWEROFF:
9036 action = "poweroff";
9037 break;
9038 case ACTION_KEXEC:
9039 action = "kexec";
9040 break;
9041 case ACTION_EXIT:
9042 action = "exit";
9043 break;
9044 case ACTION_REBOOT:
9045 default:
9046 action = "reboot";
9047 break;
9048 }
9049
9050 if (arg_dry_run)
9051 action = strjoina("dry-", action);
9052
9053 (void) logind_set_wall_message();
9054
9055 r = sd_bus_call_method(
9056 bus,
9057 "org.freedesktop.login1",
9058 "/org/freedesktop/login1",
9059 "org.freedesktop.login1.Manager",
9060 "ScheduleShutdown",
9061 &error,
9062 NULL,
9063 "st",
9064 action,
9065 arg_when);
9066 if (r < 0)
9067 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9068
9069 if (!arg_quiet)
9070 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9071 return 0;
9072 #else
9073 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9074 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9075 #endif
9076 }
9077
9078 static int halt_main(void) {
9079 int r;
9080
9081 r = logind_check_inhibitors(arg_action);
9082 if (r < 0)
9083 return r;
9084
9085 /* Delayed shutdown requested, and was successful */
9086 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9087 return 0;
9088 /* no delay, or logind failed or is not at all available */
9089
9090 if (geteuid() != 0) {
9091 if (arg_dry_run || arg_force > 0) {
9092 (void) must_be_root();
9093 return -EPERM;
9094 }
9095
9096 /* Try logind if we are a normal user and no special
9097 * mode applies. Maybe polkit allows us to shutdown
9098 * the machine. */
9099 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9100 r = logind_reboot(arg_action);
9101 if (r >= 0)
9102 return r;
9103 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9104 /* requested operation is not
9105 * supported on the local system or
9106 * already in progress */
9107 return r;
9108 /* on all other errors, try low-level operation */
9109 }
9110 }
9111
9112 /* In order to minimize the difference between operation with and
9113 * without logind, we explicitly enable non-blocking mode for this,
9114 * as logind's shutdown operations are always non-blocking. */
9115 arg_no_block = true;
9116
9117 if (!arg_dry_run && !arg_force)
9118 return start_with_fallback();
9119
9120 assert(geteuid() == 0);
9121
9122 if (!arg_no_wtmp) {
9123 if (sd_booted() > 0)
9124 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9125 else {
9126 r = utmp_put_shutdown();
9127 if (r < 0)
9128 log_warning_errno(r, "Failed to write utmp record: %m");
9129 }
9130 }
9131
9132 if (arg_dry_run)
9133 return 0;
9134
9135 r = halt_now(arg_action);
9136 return log_error_errno(r, "Failed to reboot: %m");
9137 }
9138
9139 static int runlevel_main(void) {
9140 int r, runlevel, previous;
9141
9142 r = utmp_get_runlevel(&runlevel, &previous);
9143 if (r < 0) {
9144 puts("unknown");
9145 return r;
9146 }
9147
9148 printf("%c %c\n",
9149 previous <= 0 ? 'N' : previous,
9150 runlevel <= 0 ? 'N' : runlevel);
9151
9152 return 0;
9153 }
9154
9155 static int logind_cancel_shutdown(void) {
9156 #if ENABLE_LOGIND
9157 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9158 sd_bus *bus;
9159 int r;
9160
9161 r = acquire_bus(BUS_FULL, &bus);
9162 if (r < 0)
9163 return r;
9164
9165 (void) logind_set_wall_message();
9166
9167 r = sd_bus_call_method(
9168 bus,
9169 "org.freedesktop.login1",
9170 "/org/freedesktop/login1",
9171 "org.freedesktop.login1.Manager",
9172 "CancelScheduledShutdown",
9173 &error,
9174 NULL, NULL);
9175 if (r < 0)
9176 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9177
9178 return 0;
9179 #else
9180 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9181 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9182 #endif
9183 }
9184
9185 static int run(int argc, char *argv[]) {
9186 int r;
9187
9188 setlocale(LC_ALL, "");
9189 log_parse_environment();
9190 log_open();
9191
9192 /* The journal merging logic potentially needs a lot of fds. */
9193 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9194
9195 sigbus_install();
9196
9197 /* Explicitly not on_tty() to avoid setting cached value.
9198 * This becomes relevant for piping output which might be
9199 * ellipsized. */
9200 original_stdout_is_tty = isatty(STDOUT_FILENO);
9201
9202 r = parse_argv(argc, argv);
9203 if (r <= 0)
9204 goto finish;
9205
9206 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9207 if (!arg_quiet)
9208 log_info("Running in chroot, ignoring request.");
9209 r = 0;
9210 goto finish;
9211 }
9212
9213 /* systemctl_main() will print an error message for the bus
9214 * connection, but only if it needs to */
9215
9216 switch (arg_action) {
9217
9218 case ACTION_SYSTEMCTL:
9219 r = systemctl_main(argc, argv);
9220 break;
9221
9222 /* Legacy command aliases set arg_action. They provide some fallbacks,
9223 * e.g. to tell sysvinit to reboot after you have installed systemd
9224 * binaries. */
9225
9226 case ACTION_HALT:
9227 case ACTION_POWEROFF:
9228 case ACTION_REBOOT:
9229 case ACTION_KEXEC:
9230 r = halt_main();
9231 break;
9232
9233 case ACTION_RUNLEVEL2:
9234 case ACTION_RUNLEVEL3:
9235 case ACTION_RUNLEVEL4:
9236 case ACTION_RUNLEVEL5:
9237 case ACTION_RESCUE:
9238 r = start_with_fallback();
9239 break;
9240
9241 case ACTION_RELOAD:
9242 case ACTION_REEXEC:
9243 r = reload_with_fallback();
9244 break;
9245
9246 case ACTION_CANCEL_SHUTDOWN:
9247 r = logind_cancel_shutdown();
9248 break;
9249
9250 case ACTION_RUNLEVEL:
9251 r = runlevel_main();
9252 break;
9253
9254 case ACTION_EXIT:
9255 case ACTION_SUSPEND:
9256 case ACTION_HIBERNATE:
9257 case ACTION_HYBRID_SLEEP:
9258 case ACTION_SUSPEND_THEN_HIBERNATE:
9259 case ACTION_EMERGENCY:
9260 case ACTION_DEFAULT:
9261 /* systemctl verbs with no equivalent in the legacy commands.
9262 * These cannot appear in arg_action. Fall through. */
9263
9264 case _ACTION_INVALID:
9265 default:
9266 assert_not_reached("Unknown action");
9267 }
9268
9269 finish:
9270 release_busses();
9271
9272 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9273 return r;
9274 }
9275
9276 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
Unnamed repository; edit this file 'description' to name the repository.