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[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <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 "cgroup-show.h"
32 #include "cgroup-util.h"
33 #include "copy.h"
34 #include "cpu-set-util.h"
35 #include "dropin.h"
36 #include "efivars.h"
37 #include "env-util.h"
38 #include "escape.h"
39 #include "exec-util.h"
40 #include "exit-status.h"
41 #include "fd-util.h"
42 #include "format-util.h"
43 #include "fs-util.h"
44 #include "glob-util.h"
45 #include "hexdecoct.h"
46 #include "hostname-util.h"
47 #include "in-addr-util.h"
48 #include "initreq.h"
49 #include "install.h"
50 #include "io-util.h"
51 #include "journal-util.h"
52 #include "list.h"
53 #include "locale-util.h"
54 #include "log.h"
55 #include "logs-show.h"
56 #include "macro.h"
57 #include "main-func.h"
58 #include "memory-util.h"
59 #include "mkdir.h"
60 #include "pager.h"
61 #include "parse-util.h"
62 #include "path-lookup.h"
63 #include "path-util.h"
64 #include "pretty-print.h"
65 #include "proc-cmdline.h"
66 #include "process-util.h"
67 #include "reboot-util.h"
68 #include "rlimit-util.h"
69 #include "set.h"
70 #include "sigbus.h"
71 #include "signal-util.h"
72 #include "socket-util.h"
73 #include "sort-util.h"
74 #include "spawn-ask-password-agent.h"
75 #include "spawn-polkit-agent.h"
76 #include "special.h"
77 #include "stat-util.h"
78 #include "string-table.h"
79 #include "strv.h"
80 #include "sysv-compat.h"
81 #include "terminal-util.h"
82 #include "tmpfile-util.h"
83 #include "unit-def.h"
84 #include "unit-name.h"
85 #include "user-util.h"
86 #include "utf8.h"
87 #include "utmp-wtmp.h"
88 #include "verbs.h"
89 #include "virt.h"
90
91 static char **arg_types = NULL;
92 static char **arg_states = NULL;
93 static char **arg_properties = NULL;
94 static bool arg_all = false;
95 static enum dependency {
96 DEPENDENCY_FORWARD,
97 DEPENDENCY_REVERSE,
98 DEPENDENCY_AFTER,
99 DEPENDENCY_BEFORE,
100 _DEPENDENCY_MAX
101 } arg_dependency = DEPENDENCY_FORWARD;
102 static const char *arg_job_mode = "replace";
103 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
104 static bool arg_wait = false;
105 static bool arg_no_block = false;
106 static bool arg_no_legend = false;
107 static PagerFlags arg_pager_flags = 0;
108 static bool arg_no_wtmp = false;
109 static bool arg_no_sync = false;
110 static bool arg_no_wall = false;
111 static bool arg_no_reload = false;
112 static bool arg_value = false;
113 static bool arg_show_types = false;
114 static bool arg_ignore_inhibitors = false;
115 static bool arg_dry_run = false;
116 static bool arg_quiet = false;
117 static bool arg_full = false;
118 static bool arg_recursive = false;
119 static bool arg_show_transaction = false;
120 static int arg_force = 0;
121 static bool arg_ask_password = false;
122 static bool arg_runtime = false;
123 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
124 static char **arg_wall = NULL;
125 static const char *arg_kill_who = NULL;
126 static int arg_signal = SIGTERM;
127 static char *arg_root = NULL;
128 static usec_t arg_when = 0;
129 static enum action {
130 ACTION_SYSTEMCTL,
131 ACTION_HALT,
132 ACTION_POWEROFF,
133 ACTION_REBOOT,
134 ACTION_KEXEC,
135 ACTION_EXIT,
136 ACTION_SUSPEND,
137 ACTION_HIBERNATE,
138 ACTION_HYBRID_SLEEP,
139 ACTION_SUSPEND_THEN_HIBERNATE,
140 ACTION_RUNLEVEL2,
141 ACTION_RUNLEVEL3,
142 ACTION_RUNLEVEL4,
143 ACTION_RUNLEVEL5,
144 ACTION_RESCUE,
145 ACTION_EMERGENCY,
146 ACTION_DEFAULT,
147 ACTION_RELOAD,
148 ACTION_REEXEC,
149 ACTION_RUNLEVEL,
150 ACTION_CANCEL_SHUTDOWN,
151 _ACTION_MAX,
152 _ACTION_INVALID = -1
153 } arg_action = ACTION_SYSTEMCTL;
154 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
155 static const char *arg_host = NULL;
156 static unsigned arg_lines = 10;
157 static OutputMode arg_output = OUTPUT_SHORT;
158 static bool arg_plain = false;
159 static bool arg_firmware_setup = false;
160 static usec_t arg_boot_loader_menu = USEC_INFINITY;
161 static const char *arg_boot_loader_entry = NULL;
162 static bool arg_now = false;
163 static bool arg_jobs_before = false;
164 static bool arg_jobs_after = false;
165
166 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
167 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
168 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
169 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
170 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
171
172 static int daemon_reload(int argc, char *argv[], void* userdata);
173 static int trivial_method(int argc, char *argv[], void *userdata);
174 static int halt_now(enum action a);
175 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
176
177 static bool original_stdout_is_tty;
178
179 typedef enum BusFocus {
180 BUS_FULL, /* The full bus indicated via --system or --user */
181 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
182 _BUS_FOCUS_MAX
183 } BusFocus;
184
185 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
186
187 static UnitFileFlags args_to_flags(void) {
188 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
189 (arg_force ? UNIT_FILE_FORCE : 0);
190 }
191
192 static int acquire_bus(BusFocus focus, sd_bus **ret) {
193 int r;
194
195 assert(focus < _BUS_FOCUS_MAX);
196 assert(ret);
197
198 /* We only go directly to the manager, if we are using a local transport */
199 if (arg_transport != BUS_TRANSPORT_LOCAL)
200 focus = BUS_FULL;
201
202 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
203 focus = BUS_FULL;
204
205 if (!buses[focus]) {
206 bool user;
207
208 user = arg_scope != UNIT_FILE_SYSTEM;
209
210 if (focus == BUS_MANAGER)
211 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
212 else
213 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
214 if (r < 0)
215 return log_error_errno(r, "Failed to connect to bus: %m");
216
217 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
218 }
219
220 *ret = buses[focus];
221 return 0;
222 }
223
224 static void release_busses(void) {
225 BusFocus w;
226
227 for (w = 0; w < _BUS_FOCUS_MAX; w++)
228 buses[w] = sd_bus_flush_close_unref(buses[w]);
229 }
230
231 static void ask_password_agent_open_if_enabled(void) {
232 /* Open the password agent as a child process if necessary */
233
234 if (arg_dry_run)
235 return;
236
237 if (!arg_ask_password)
238 return;
239
240 if (arg_scope != UNIT_FILE_SYSTEM)
241 return;
242
243 if (arg_transport != BUS_TRANSPORT_LOCAL)
244 return;
245
246 ask_password_agent_open();
247 }
248
249 static void polkit_agent_open_maybe(void) {
250 /* Open the polkit agent as a child process if necessary */
251
252 if (arg_scope != UNIT_FILE_SYSTEM)
253 return;
254
255 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
256 }
257
258 static OutputFlags get_output_flags(void) {
259 return
260 arg_all * OUTPUT_SHOW_ALL |
261 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
262 colors_enabled() * OUTPUT_COLOR |
263 !arg_quiet * OUTPUT_WARN_CUTOFF;
264 }
265
266 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
267 assert(error);
268
269 if (!sd_bus_error_is_set(error))
270 return r;
271
272 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
273 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
274 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
275 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
276 return EXIT_NOPERMISSION;
277
278 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
279 return EXIT_NOTINSTALLED;
280
281 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
282 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
283 return EXIT_NOTIMPLEMENTED;
284
285 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
286 return EXIT_NOTCONFIGURED;
287
288 if (r != 0)
289 return r;
290
291 return EXIT_FAILURE;
292 }
293
294 static bool install_client_side(void) {
295 /* Decides when to execute enable/disable/... operations
296 * client-side rather than server-side. */
297
298 if (running_in_chroot_or_offline())
299 return true;
300
301 if (sd_booted() <= 0)
302 return true;
303
304 if (!isempty(arg_root))
305 return true;
306
307 if (arg_scope == UNIT_FILE_GLOBAL)
308 return true;
309
310 /* Unsupported environment variable, mostly for debugging purposes */
311 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
312 return true;
313
314 return false;
315 }
316
317 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
318 const char *d1, *d2;
319 int r;
320
321 /* First, order by machine */
322 if (!a->machine && b->machine)
323 return -1;
324 if (a->machine && !b->machine)
325 return 1;
326 if (a->machine && b->machine) {
327 r = strcasecmp(a->machine, b->machine);
328 if (r != 0)
329 return r;
330 }
331
332 /* Second, order by unit type */
333 d1 = strrchr(a->id, '.');
334 d2 = strrchr(b->id, '.');
335 if (d1 && d2) {
336 r = strcasecmp(d1, d2);
337 if (r != 0)
338 return r;
339 }
340
341 /* Third, order by name */
342 return strcasecmp(a->id, b->id);
343 }
344
345 static const char* unit_type_suffix(const char *name) {
346 const char *dot;
347
348 dot = strrchr(name, '.');
349 if (!dot)
350 return "";
351
352 return dot + 1;
353 }
354
355 static bool output_show_unit(const UnitInfo *u, char **patterns) {
356 assert(u);
357
358 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
359 return false;
360
361 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
362 return false;
363
364 if (arg_all)
365 return true;
366
367 /* Note that '--all' is not purely a state filter, but also a
368 * filter that hides units that "follow" other units (which is
369 * used for device units that appear under different names). */
370 if (!isempty(u->following))
371 return false;
372
373 if (!strv_isempty(arg_states))
374 return true;
375
376 /* By default show all units except the ones in inactive
377 * state and with no pending job */
378 if (u->job_id > 0)
379 return true;
380
381 if (streq(u->active_state, "inactive"))
382 return false;
383
384 return true;
385 }
386
387 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
388 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
389 const UnitInfo *u;
390 unsigned n_shown = 0;
391 int job_count = 0;
392 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
393
394 max_id_len = STRLEN("UNIT");
395 load_len = STRLEN("LOAD");
396 active_len = STRLEN("ACTIVE");
397 sub_len = STRLEN("SUB");
398 job_len = STRLEN("JOB");
399 max_desc_len = STRLEN("DESCRIPTION");
400
401 for (u = unit_infos; u < unit_infos + c; u++) {
402 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
403 load_len = MAX(load_len, strlen(u->load_state));
404 active_len = MAX(active_len, strlen(u->active_state));
405 sub_len = MAX(sub_len, strlen(u->sub_state));
406 max_desc_len = MAX(max_desc_len, strlen(u->description));
407
408 if (u->job_id != 0) {
409 job_len = MAX(job_len, strlen(u->job_type));
410 job_count++;
411 }
412
413 if (!arg_no_legend &&
414 (streq(u->active_state, "failed") ||
415 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
416 circle_len = 2;
417 }
418
419 if (!arg_full && original_stdout_is_tty) {
420 unsigned basic_len;
421
422 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
423 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
424
425 if (job_count)
426 basic_len += job_len + 1;
427
428 if (basic_len < (unsigned) columns()) {
429 unsigned extra_len, incr;
430 extra_len = columns() - basic_len;
431
432 /* Either UNIT already got 25, or is fully satisfied.
433 * Grant up to 25 to DESC now. */
434 incr = MIN(extra_len, 25u);
435 desc_len = incr;
436 extra_len -= incr;
437
438 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
439 * description but not more than it needs. */
440 if (extra_len > 0) {
441 incr = MIN(max_id_len - id_len, extra_len);
442 id_len += incr;
443 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
444 }
445 } else
446 desc_len = 0;
447 } else {
448 id_len = max_id_len;
449 desc_len = max_desc_len;
450 }
451
452 for (u = unit_infos; u < unit_infos + c; u++) {
453 _cleanup_free_ char *e = NULL, *j = NULL;
454 const char *on_underline = "", *off_underline = "";
455 const char *on_loaded = "", *off_loaded = "";
456 const char *on_active = "", *off_active = "";
457 const char *on_circle = "", *off_circle = "";
458 const char *id;
459 bool circle = false, underline = false;
460
461 if (!n_shown && !arg_no_legend) {
462
463 if (circle_len > 0)
464 fputs(" ", stdout);
465
466 printf("%s%-*s %-*s %-*s %-*s ",
467 ansi_underline(),
468 id_len, "UNIT",
469 load_len, "LOAD",
470 active_len, "ACTIVE",
471 sub_len, "SUB");
472
473 if (job_count)
474 printf("%-*s ", job_len, "JOB");
475
476 printf("%-*.*s%s\n",
477 desc_len,
478 full ? -1 : (int) desc_len,
479 "DESCRIPTION",
480 ansi_normal());
481 }
482
483 n_shown++;
484
485 if (u + 1 < unit_infos + c &&
486 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
487 on_underline = ansi_underline();
488 off_underline = ansi_normal();
489 underline = true;
490 }
491
492 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
493 on_circle = ansi_highlight_yellow();
494 off_circle = ansi_normal();
495 circle = true;
496 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
497 off_loaded = underline ? on_underline : ansi_normal();
498 } else if (streq(u->active_state, "failed") && !arg_plain) {
499 on_circle = ansi_highlight_red();
500 off_circle = ansi_normal();
501 circle = true;
502 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
503 off_active = underline ? on_underline : ansi_normal();
504 }
505
506 if (u->machine) {
507 j = strjoin(u->machine, ":", u->id);
508 if (!j)
509 return log_oom();
510
511 id = j;
512 } else
513 id = u->id;
514
515 if (arg_full) {
516 e = ellipsize(id, id_len, 33);
517 if (!e)
518 return log_oom();
519
520 id = e;
521 }
522
523 if (circle_len > 0)
524 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
525
526 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
527 on_underline,
528 on_active, id_len, id, off_active,
529 on_loaded, load_len, u->load_state, off_loaded,
530 on_active, active_len, u->active_state,
531 sub_len, u->sub_state, off_active,
532 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
533
534 printf("%-*.*s%s\n",
535 desc_len,
536 full ? -1 : (int) desc_len,
537 u->description,
538 off_underline);
539 }
540
541 if (!arg_no_legend) {
542 const char *on, *off;
543
544 if (n_shown) {
545 puts("\n"
546 "LOAD = Reflects whether the unit definition was properly loaded.\n"
547 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
548 "SUB = The low-level unit activation state, values depend on unit type.");
549 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
550 on = ansi_highlight();
551 off = ansi_normal();
552 } else {
553 on = ansi_highlight_red();
554 off = ansi_normal();
555 }
556
557 if (arg_all)
558 printf("%s%u loaded units listed.%s\n"
559 "To show all installed unit files use 'systemctl list-unit-files'.\n",
560 on, n_shown, off);
561 else
562 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
563 "To show all installed unit files use 'systemctl list-unit-files'.\n",
564 on, n_shown, off);
565 }
566
567 return 0;
568 }
569
570 static int get_unit_list(
571 sd_bus *bus,
572 const char *machine,
573 char **patterns,
574 UnitInfo **unit_infos,
575 int c,
576 sd_bus_message **_reply) {
577
578 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
579 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
580 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
581 size_t size = c;
582 int r;
583 UnitInfo u;
584 bool fallback = false;
585
586 assert(bus);
587 assert(unit_infos);
588 assert(_reply);
589
590 r = sd_bus_message_new_method_call(
591 bus,
592 &m,
593 "org.freedesktop.systemd1",
594 "/org/freedesktop/systemd1",
595 "org.freedesktop.systemd1.Manager",
596 "ListUnitsByPatterns");
597 if (r < 0)
598 return bus_log_create_error(r);
599
600 r = sd_bus_message_append_strv(m, arg_states);
601 if (r < 0)
602 return bus_log_create_error(r);
603
604 r = sd_bus_message_append_strv(m, patterns);
605 if (r < 0)
606 return bus_log_create_error(r);
607
608 r = sd_bus_call(bus, m, 0, &error, &reply);
609 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
610 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
611 /* Fallback to legacy ListUnitsFiltered method */
612 fallback = true;
613 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
614 m = sd_bus_message_unref(m);
615 sd_bus_error_free(&error);
616
617 r = sd_bus_message_new_method_call(
618 bus,
619 &m,
620 "org.freedesktop.systemd1",
621 "/org/freedesktop/systemd1",
622 "org.freedesktop.systemd1.Manager",
623 "ListUnitsFiltered");
624 if (r < 0)
625 return bus_log_create_error(r);
626
627 r = sd_bus_message_append_strv(m, arg_states);
628 if (r < 0)
629 return bus_log_create_error(r);
630
631 r = sd_bus_call(bus, m, 0, &error, &reply);
632 }
633 if (r < 0)
634 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
635
636 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
637 if (r < 0)
638 return bus_log_parse_error(r);
639
640 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
641 u.machine = machine;
642
643 if (!output_show_unit(&u, fallback ? patterns : NULL))
644 continue;
645
646 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
647 return log_oom();
648
649 (*unit_infos)[c++] = u;
650 }
651 if (r < 0)
652 return bus_log_parse_error(r);
653
654 r = sd_bus_message_exit_container(reply);
655 if (r < 0)
656 return bus_log_parse_error(r);
657
658 *_reply = TAKE_PTR(reply);
659
660 return c;
661 }
662
663 static void message_set_freep(Set **set) {
664 set_free_with_destructor(*set, sd_bus_message_unref);
665 }
666
667 static int get_unit_list_recursive(
668 sd_bus *bus,
669 char **patterns,
670 UnitInfo **_unit_infos,
671 Set **_replies,
672 char ***_machines) {
673
674 _cleanup_free_ UnitInfo *unit_infos = NULL;
675 _cleanup_(message_set_freep) Set *replies;
676 sd_bus_message *reply;
677 int c, r;
678
679 assert(bus);
680 assert(_replies);
681 assert(_unit_infos);
682 assert(_machines);
683
684 replies = set_new(NULL);
685 if (!replies)
686 return log_oom();
687
688 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
689 if (c < 0)
690 return c;
691
692 r = set_put(replies, reply);
693 if (r < 0) {
694 sd_bus_message_unref(reply);
695 return log_oom();
696 }
697
698 if (arg_recursive) {
699 _cleanup_strv_free_ char **machines = NULL;
700 char **i;
701
702 r = sd_get_machine_names(&machines);
703 if (r < 0)
704 return log_error_errno(r, "Failed to get machine names: %m");
705
706 STRV_FOREACH(i, machines) {
707 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
708 int k;
709
710 r = sd_bus_open_system_machine(&container, *i);
711 if (r < 0) {
712 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
713 continue;
714 }
715
716 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
717 if (k < 0)
718 return k;
719
720 c = k;
721
722 r = set_put(replies, reply);
723 if (r < 0) {
724 sd_bus_message_unref(reply);
725 return log_oom();
726 }
727 }
728
729 *_machines = TAKE_PTR(machines);
730 } else
731 *_machines = NULL;
732
733 *_unit_infos = TAKE_PTR(unit_infos);
734 *_replies = TAKE_PTR(replies);
735
736 return c;
737 }
738
739 static int list_units(int argc, char *argv[], void *userdata) {
740 _cleanup_free_ UnitInfo *unit_infos = NULL;
741 _cleanup_(message_set_freep) Set *replies = NULL;
742 _cleanup_strv_free_ char **machines = NULL;
743 sd_bus *bus;
744 int r;
745
746 r = acquire_bus(BUS_MANAGER, &bus);
747 if (r < 0)
748 return r;
749
750 (void) pager_open(arg_pager_flags);
751
752 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
753 if (r < 0)
754 return r;
755
756 typesafe_qsort(unit_infos, r, compare_unit_info);
757 return output_units_list(unit_infos, r);
758 }
759
760 static int get_triggered_units(
761 sd_bus *bus,
762 const char* path,
763 char*** ret) {
764
765 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
766 int r;
767
768 assert(bus);
769 assert(path);
770 assert(ret);
771
772 r = sd_bus_get_property_strv(
773 bus,
774 "org.freedesktop.systemd1",
775 path,
776 "org.freedesktop.systemd1.Unit",
777 "Triggers",
778 &error,
779 ret);
780 if (r < 0)
781 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
782
783 return 0;
784 }
785
786 static int get_listening(
787 sd_bus *bus,
788 const char* unit_path,
789 char*** listening) {
790
791 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
792 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
793 const char *type, *path;
794 int r, n = 0;
795
796 r = sd_bus_get_property(
797 bus,
798 "org.freedesktop.systemd1",
799 unit_path,
800 "org.freedesktop.systemd1.Socket",
801 "Listen",
802 &error,
803 &reply,
804 "a(ss)");
805 if (r < 0)
806 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
807
808 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
809 if (r < 0)
810 return bus_log_parse_error(r);
811
812 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
813
814 r = strv_extend(listening, type);
815 if (r < 0)
816 return log_oom();
817
818 r = strv_extend(listening, path);
819 if (r < 0)
820 return log_oom();
821
822 n++;
823 }
824 if (r < 0)
825 return bus_log_parse_error(r);
826
827 r = sd_bus_message_exit_container(reply);
828 if (r < 0)
829 return bus_log_parse_error(r);
830
831 return n;
832 }
833
834 struct socket_info {
835 const char *machine;
836 const char* id;
837
838 char* type;
839 char* path;
840
841 /* Note: triggered is a list here, although it almost certainly
842 * will always be one unit. Nevertheless, dbus API allows for multiple
843 * values, so let's follow that. */
844 char** triggered;
845
846 /* The strv above is shared. free is set only in the first one. */
847 bool own_triggered;
848 };
849
850 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
851 int r;
852
853 assert(a);
854 assert(b);
855
856 if (!a->machine && b->machine)
857 return -1;
858 if (a->machine && !b->machine)
859 return 1;
860 if (a->machine && b->machine) {
861 r = strcasecmp(a->machine, b->machine);
862 if (r != 0)
863 return r;
864 }
865
866 r = strcmp(a->path, b->path);
867 if (r == 0)
868 r = strcmp(a->type, b->type);
869
870 return r;
871 }
872
873 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
874 struct socket_info *s;
875 unsigned pathlen = STRLEN("LISTEN"),
876 typelen = STRLEN("TYPE") * arg_show_types,
877 socklen = STRLEN("UNIT"),
878 servlen = STRLEN("ACTIVATES");
879 const char *on, *off;
880
881 for (s = socket_infos; s < socket_infos + cs; s++) {
882 unsigned tmp = 0;
883 char **a;
884
885 socklen = MAX(socklen, strlen(s->id));
886 if (arg_show_types)
887 typelen = MAX(typelen, strlen(s->type));
888 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
889
890 STRV_FOREACH(a, s->triggered)
891 tmp += strlen(*a) + 2*(a != s->triggered);
892 servlen = MAX(servlen, tmp);
893 }
894
895 if (cs) {
896 if (!arg_no_legend)
897 printf("%-*s %-*.*s%-*s %s\n",
898 pathlen, "LISTEN",
899 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
900 socklen, "UNIT",
901 "ACTIVATES");
902
903 for (s = socket_infos; s < socket_infos + cs; s++) {
904 _cleanup_free_ char *j = NULL;
905 const char *path;
906 char **a;
907
908 if (s->machine) {
909 j = strjoin(s->machine, ":", s->path);
910 if (!j)
911 return log_oom();
912 path = j;
913 } else
914 path = s->path;
915
916 if (arg_show_types)
917 printf("%-*s %-*s %-*s",
918 pathlen, path, typelen, s->type, socklen, s->id);
919 else
920 printf("%-*s %-*s",
921 pathlen, path, socklen, s->id);
922 STRV_FOREACH(a, s->triggered)
923 printf("%s %s",
924 a == s->triggered ? "" : ",", *a);
925 printf("\n");
926 }
927
928 on = ansi_highlight();
929 off = ansi_normal();
930 if (!arg_no_legend)
931 printf("\n");
932 } else {
933 on = ansi_highlight_red();
934 off = ansi_normal();
935 }
936
937 if (!arg_no_legend) {
938 printf("%s%u sockets listed.%s\n", on, cs, off);
939 if (!arg_all)
940 printf("Pass --all to see loaded but inactive sockets, too.\n");
941 }
942
943 return 0;
944 }
945
946 static int list_sockets(int argc, char *argv[], void *userdata) {
947 _cleanup_(message_set_freep) Set *replies = NULL;
948 _cleanup_strv_free_ char **machines = NULL;
949 _cleanup_free_ UnitInfo *unit_infos = NULL;
950 _cleanup_free_ struct socket_info *socket_infos = NULL;
951 const UnitInfo *u;
952 struct socket_info *s;
953 unsigned cs = 0;
954 size_t size = 0;
955 int r = 0, n;
956 sd_bus *bus;
957
958 r = acquire_bus(BUS_MANAGER, &bus);
959 if (r < 0)
960 return r;
961
962 (void) pager_open(arg_pager_flags);
963
964 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
965 if (n < 0)
966 return n;
967
968 for (u = unit_infos; u < unit_infos + n; u++) {
969 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
970 int i, c;
971
972 if (!endswith(u->id, ".socket"))
973 continue;
974
975 r = get_triggered_units(bus, u->unit_path, &triggered);
976 if (r < 0)
977 goto cleanup;
978
979 c = get_listening(bus, u->unit_path, &listening);
980 if (c < 0) {
981 r = c;
982 goto cleanup;
983 }
984
985 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
986 r = log_oom();
987 goto cleanup;
988 }
989
990 for (i = 0; i < c; i++)
991 socket_infos[cs + i] = (struct socket_info) {
992 .machine = u->machine,
993 .id = u->id,
994 .type = listening[i*2],
995 .path = listening[i*2 + 1],
996 .triggered = triggered,
997 .own_triggered = i==0,
998 };
999
1000 /* from this point on we will cleanup those socket_infos */
1001 cs += c;
1002 free(listening);
1003 listening = triggered = NULL; /* avoid cleanup */
1004 }
1005
1006 typesafe_qsort(socket_infos, cs, socket_info_compare);
1007
1008 output_sockets_list(socket_infos, cs);
1009
1010 cleanup:
1011 assert(cs == 0 || socket_infos);
1012 for (s = socket_infos; s < socket_infos + cs; s++) {
1013 free(s->type);
1014 free(s->path);
1015 if (s->own_triggered)
1016 strv_free(s->triggered);
1017 }
1018
1019 return r;
1020 }
1021
1022 static int get_next_elapse(
1023 sd_bus *bus,
1024 const char *path,
1025 dual_timestamp *next) {
1026
1027 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1028 dual_timestamp t;
1029 int r;
1030
1031 assert(bus);
1032 assert(path);
1033 assert(next);
1034
1035 r = sd_bus_get_property_trivial(
1036 bus,
1037 "org.freedesktop.systemd1",
1038 path,
1039 "org.freedesktop.systemd1.Timer",
1040 "NextElapseUSecMonotonic",
1041 &error,
1042 't',
1043 &t.monotonic);
1044 if (r < 0)
1045 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1046
1047 r = sd_bus_get_property_trivial(
1048 bus,
1049 "org.freedesktop.systemd1",
1050 path,
1051 "org.freedesktop.systemd1.Timer",
1052 "NextElapseUSecRealtime",
1053 &error,
1054 't',
1055 &t.realtime);
1056 if (r < 0)
1057 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1058
1059 *next = t;
1060 return 0;
1061 }
1062
1063 static int get_last_trigger(
1064 sd_bus *bus,
1065 const char *path,
1066 usec_t *last) {
1067
1068 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1069 int r;
1070
1071 assert(bus);
1072 assert(path);
1073 assert(last);
1074
1075 r = sd_bus_get_property_trivial(
1076 bus,
1077 "org.freedesktop.systemd1",
1078 path,
1079 "org.freedesktop.systemd1.Timer",
1080 "LastTriggerUSec",
1081 &error,
1082 't',
1083 last);
1084 if (r < 0)
1085 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1086
1087 return 0;
1088 }
1089
1090 struct timer_info {
1091 const char* machine;
1092 const char* id;
1093 usec_t next_elapse;
1094 usec_t last_trigger;
1095 char** triggered;
1096 };
1097
1098 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1099 int r;
1100
1101 assert(a);
1102 assert(b);
1103
1104 if (!a->machine && b->machine)
1105 return -1;
1106 if (a->machine && !b->machine)
1107 return 1;
1108 if (a->machine && b->machine) {
1109 r = strcasecmp(a->machine, b->machine);
1110 if (r != 0)
1111 return r;
1112 }
1113
1114 r = CMP(a->next_elapse, b->next_elapse);
1115 if (r != 0)
1116 return r;
1117
1118 return strcmp(a->id, b->id);
1119 }
1120
1121 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1122 struct timer_info *t;
1123 unsigned
1124 nextlen = STRLEN("NEXT"),
1125 leftlen = STRLEN("LEFT"),
1126 lastlen = STRLEN("LAST"),
1127 passedlen = STRLEN("PASSED"),
1128 unitlen = STRLEN("UNIT"),
1129 activatelen = STRLEN("ACTIVATES");
1130
1131 const char *on, *off;
1132
1133 assert(timer_infos || n == 0);
1134
1135 for (t = timer_infos; t < timer_infos + n; t++) {
1136 unsigned ul = 0;
1137 char **a;
1138
1139 if (t->next_elapse > 0) {
1140 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1141
1142 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1143 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1144
1145 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1146 leftlen = MAX(leftlen, strlen(trel));
1147 }
1148
1149 if (t->last_trigger > 0) {
1150 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1151
1152 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1153 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1154
1155 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1156 passedlen = MAX(passedlen, strlen(trel));
1157 }
1158
1159 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1160
1161 STRV_FOREACH(a, t->triggered)
1162 ul += strlen(*a) + 2*(a != t->triggered);
1163
1164 activatelen = MAX(activatelen, ul);
1165 }
1166
1167 if (n > 0) {
1168 if (!arg_no_legend)
1169 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1170 nextlen, "NEXT",
1171 leftlen, "LEFT",
1172 lastlen, "LAST",
1173 passedlen, "PASSED",
1174 unitlen, "UNIT",
1175 "ACTIVATES");
1176
1177 for (t = timer_infos; t < timer_infos + n; t++) {
1178 _cleanup_free_ char *j = NULL;
1179 const char *unit;
1180 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1181 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1182 char **a;
1183
1184 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1185 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1186
1187 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1188 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1189
1190 if (t->machine) {
1191 j = strjoin(t->machine, ":", t->id);
1192 if (!j)
1193 return log_oom();
1194 unit = j;
1195 } else
1196 unit = t->id;
1197
1198 printf("%-*s %-*s %-*s %-*s %-*s",
1199 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1200
1201 STRV_FOREACH(a, t->triggered)
1202 printf("%s %s",
1203 a == t->triggered ? "" : ",", *a);
1204 printf("\n");
1205 }
1206
1207 on = ansi_highlight();
1208 off = ansi_normal();
1209 if (!arg_no_legend)
1210 printf("\n");
1211 } else {
1212 on = ansi_highlight_red();
1213 off = ansi_normal();
1214 }
1215
1216 if (!arg_no_legend) {
1217 printf("%s%u timers listed.%s\n", on, n, off);
1218 if (!arg_all)
1219 printf("Pass --all to see loaded but inactive timers, too.\n");
1220 }
1221
1222 return 0;
1223 }
1224
1225 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1226 usec_t next_elapse;
1227
1228 assert(nw);
1229 assert(next);
1230
1231 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1232 usec_t converted;
1233
1234 if (next->monotonic > nw->monotonic)
1235 converted = nw->realtime + (next->monotonic - nw->monotonic);
1236 else
1237 converted = nw->realtime - (nw->monotonic - next->monotonic);
1238
1239 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1240 next_elapse = MIN(converted, next->realtime);
1241 else
1242 next_elapse = converted;
1243
1244 } else
1245 next_elapse = next->realtime;
1246
1247 return next_elapse;
1248 }
1249
1250 static int list_timers(int argc, char *argv[], void *userdata) {
1251 _cleanup_(message_set_freep) Set *replies = NULL;
1252 _cleanup_strv_free_ char **machines = NULL;
1253 _cleanup_free_ struct timer_info *timer_infos = NULL;
1254 _cleanup_free_ UnitInfo *unit_infos = NULL;
1255 struct timer_info *t;
1256 const UnitInfo *u;
1257 size_t size = 0;
1258 int n, c = 0;
1259 dual_timestamp nw;
1260 sd_bus *bus;
1261 int r = 0;
1262
1263 r = acquire_bus(BUS_MANAGER, &bus);
1264 if (r < 0)
1265 return r;
1266
1267 (void) pager_open(arg_pager_flags);
1268
1269 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1270 if (n < 0)
1271 return n;
1272
1273 dual_timestamp_get(&nw);
1274
1275 for (u = unit_infos; u < unit_infos + n; u++) {
1276 _cleanup_strv_free_ char **triggered = NULL;
1277 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1278 usec_t m, last = 0;
1279
1280 if (!endswith(u->id, ".timer"))
1281 continue;
1282
1283 r = get_triggered_units(bus, u->unit_path, &triggered);
1284 if (r < 0)
1285 goto cleanup;
1286
1287 r = get_next_elapse(bus, u->unit_path, &next);
1288 if (r < 0)
1289 goto cleanup;
1290
1291 get_last_trigger(bus, u->unit_path, &last);
1292
1293 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1294 r = log_oom();
1295 goto cleanup;
1296 }
1297
1298 m = calc_next_elapse(&nw, &next);
1299
1300 timer_infos[c++] = (struct timer_info) {
1301 .machine = u->machine,
1302 .id = u->id,
1303 .next_elapse = m,
1304 .last_trigger = last,
1305 .triggered = TAKE_PTR(triggered),
1306 };
1307 }
1308
1309 typesafe_qsort(timer_infos, c, timer_info_compare);
1310
1311 output_timers_list(timer_infos, c);
1312
1313 cleanup:
1314 for (t = timer_infos; t < timer_infos + c; t++)
1315 strv_free(t->triggered);
1316
1317 return r;
1318 }
1319
1320 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1321 const char *d1, *d2;
1322
1323 d1 = strrchr(a->path, '.');
1324 d2 = strrchr(b->path, '.');
1325
1326 if (d1 && d2) {
1327 int r;
1328
1329 r = strcasecmp(d1, d2);
1330 if (r != 0)
1331 return r;
1332 }
1333
1334 return strcasecmp(basename(a->path), basename(b->path));
1335 }
1336
1337 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1338 assert(u);
1339
1340 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1341 return false;
1342
1343 if (!strv_isempty(arg_types)) {
1344 const char *dot;
1345
1346 dot = strrchr(u->path, '.');
1347 if (!dot)
1348 return false;
1349
1350 if (!strv_find(arg_types, dot+1))
1351 return false;
1352 }
1353
1354 if (!strv_isempty(states) &&
1355 !strv_find(states, unit_file_state_to_string(u->state)))
1356 return false;
1357
1358 return true;
1359 }
1360
1361 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1362 unsigned max_id_len, id_cols, state_cols;
1363 const UnitFileList *u;
1364
1365 max_id_len = STRLEN("UNIT FILE");
1366 state_cols = STRLEN("STATE");
1367
1368 for (u = units; u < units + c; u++) {
1369 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1370 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1371 }
1372
1373 if (!arg_full) {
1374 unsigned basic_cols;
1375
1376 id_cols = MIN(max_id_len, 25u);
1377 basic_cols = 1 + id_cols + state_cols;
1378 if (basic_cols < (unsigned) columns())
1379 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1380 } else
1381 id_cols = max_id_len;
1382
1383 if (!arg_no_legend && c > 0)
1384 printf("%s%-*s %-*s%s\n",
1385 ansi_underline(),
1386 id_cols, "UNIT FILE",
1387 state_cols, "STATE",
1388 ansi_normal());
1389
1390 for (u = units; u < units + c; u++) {
1391 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1392 _cleanup_free_ char *e = NULL;
1393 bool underline;
1394
1395 underline = u + 1 < units + c &&
1396 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1397
1398 if (underline)
1399 on_underline = ansi_underline();
1400
1401 if (IN_SET(u->state,
1402 UNIT_FILE_MASKED,
1403 UNIT_FILE_MASKED_RUNTIME,
1404 UNIT_FILE_DISABLED,
1405 UNIT_FILE_BAD))
1406 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1407 else if (u->state == UNIT_FILE_ENABLED)
1408 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1409
1410 if (on_underline || on_color)
1411 off = ansi_normal();
1412
1413 id = basename(u->path);
1414
1415 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1416
1417 printf("%s%-*s %s%-*s%s\n",
1418 strempty(on_underline),
1419 id_cols, e ? e : id,
1420 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1421 }
1422
1423 if (!arg_no_legend)
1424 printf("\n%u unit files listed.\n", c);
1425 }
1426
1427 static int list_unit_files(int argc, char *argv[], void *userdata) {
1428 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1429 _cleanup_free_ UnitFileList *units = NULL;
1430 UnitFileList *unit;
1431 size_t size = 0;
1432 unsigned c = 0;
1433 const char *state;
1434 char *path;
1435 int r;
1436 bool fallback = false;
1437
1438 if (install_client_side()) {
1439 Hashmap *h;
1440 UnitFileList *u;
1441 Iterator i;
1442 unsigned n_units;
1443
1444 h = hashmap_new(&string_hash_ops);
1445 if (!h)
1446 return log_oom();
1447
1448 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1449 if (r < 0) {
1450 unit_file_list_free(h);
1451 return log_error_errno(r, "Failed to get unit file list: %m");
1452 }
1453
1454 n_units = hashmap_size(h);
1455
1456 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1457 if (!units) {
1458 unit_file_list_free(h);
1459 return log_oom();
1460 }
1461
1462 HASHMAP_FOREACH(u, h, i) {
1463 if (!output_show_unit_file(u, NULL, NULL))
1464 continue;
1465
1466 units[c++] = *u;
1467 free(u);
1468 }
1469
1470 assert(c <= n_units);
1471 hashmap_free(h);
1472
1473 r = 0;
1474 } else {
1475 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1476 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1477 sd_bus *bus;
1478
1479 r = acquire_bus(BUS_MANAGER, &bus);
1480 if (r < 0)
1481 return r;
1482
1483 r = sd_bus_message_new_method_call(
1484 bus,
1485 &m,
1486 "org.freedesktop.systemd1",
1487 "/org/freedesktop/systemd1",
1488 "org.freedesktop.systemd1.Manager",
1489 "ListUnitFilesByPatterns");
1490 if (r < 0)
1491 return bus_log_create_error(r);
1492
1493 r = sd_bus_message_append_strv(m, arg_states);
1494 if (r < 0)
1495 return bus_log_create_error(r);
1496
1497 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1498 if (r < 0)
1499 return bus_log_create_error(r);
1500
1501 r = sd_bus_call(bus, m, 0, &error, &reply);
1502 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1503 /* Fallback to legacy ListUnitFiles method */
1504 fallback = true;
1505 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1506 m = sd_bus_message_unref(m);
1507 sd_bus_error_free(&error);
1508
1509 r = sd_bus_message_new_method_call(
1510 bus,
1511 &m,
1512 "org.freedesktop.systemd1",
1513 "/org/freedesktop/systemd1",
1514 "org.freedesktop.systemd1.Manager",
1515 "ListUnitFiles");
1516 if (r < 0)
1517 return bus_log_create_error(r);
1518
1519 r = sd_bus_call(bus, m, 0, &error, &reply);
1520 }
1521 if (r < 0)
1522 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1523
1524 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1525 if (r < 0)
1526 return bus_log_parse_error(r);
1527
1528 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1529
1530 if (!GREEDY_REALLOC(units, size, c + 1))
1531 return log_oom();
1532
1533 units[c] = (struct UnitFileList) {
1534 path,
1535 unit_file_state_from_string(state)
1536 };
1537
1538 if (output_show_unit_file(&units[c],
1539 fallback ? arg_states : NULL,
1540 fallback ? strv_skip(argv, 1) : NULL))
1541 c++;
1542
1543 }
1544 if (r < 0)
1545 return bus_log_parse_error(r);
1546
1547 r = sd_bus_message_exit_container(reply);
1548 if (r < 0)
1549 return bus_log_parse_error(r);
1550 }
1551
1552 (void) pager_open(arg_pager_flags);
1553
1554 typesafe_qsort(units, c, compare_unit_file_list);
1555 output_unit_file_list(units, c);
1556
1557 if (install_client_side())
1558 for (unit = units; unit < units + c; unit++)
1559 free(unit->path);
1560
1561 return 0;
1562 }
1563
1564 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1565 _cleanup_free_ char *n = NULL;
1566 size_t max_len = MAX(columns(),20u);
1567 size_t len = 0;
1568 int i;
1569
1570 if (!arg_plain) {
1571
1572 for (i = level - 1; i >= 0; i--) {
1573 len += 2;
1574 if (len > max_len - 3 && !arg_full) {
1575 printf("%s...\n",max_len % 2 ? "" : " ");
1576 return 0;
1577 }
1578 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1579 }
1580 len += 2;
1581
1582 if (len > max_len - 3 && !arg_full) {
1583 printf("%s...\n",max_len % 2 ? "" : " ");
1584 return 0;
1585 }
1586
1587 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1588 }
1589
1590 if (arg_full) {
1591 printf("%s\n", name);
1592 return 0;
1593 }
1594
1595 n = ellipsize(name, max_len-len, 100);
1596 if (!n)
1597 return log_oom();
1598
1599 printf("%s\n", n);
1600 return 0;
1601 }
1602
1603 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1604 struct DependencyStatusInfo {
1605 char **dep[5];
1606 } info = {};
1607
1608 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1609 [DEPENDENCY_FORWARD] = {
1610 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1611 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1612 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1613 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1614 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1615 {}
1616 },
1617 [DEPENDENCY_REVERSE] = {
1618 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1619 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1620 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1621 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1622 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1623 {}
1624 },
1625 [DEPENDENCY_AFTER] = {
1626 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1627 {}
1628 },
1629 [DEPENDENCY_BEFORE] = {
1630 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1631 {}
1632 },
1633 };
1634
1635 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1636 _cleanup_strv_free_ char **ret = NULL;
1637 _cleanup_free_ char *path = NULL;
1638 int i, r;
1639
1640 assert(bus);
1641 assert(name);
1642 assert(deps);
1643
1644 path = unit_dbus_path_from_name(name);
1645 if (!path)
1646 return log_oom();
1647
1648 r = bus_map_all_properties(bus,
1649 "org.freedesktop.systemd1",
1650 path,
1651 map[arg_dependency],
1652 BUS_MAP_STRDUP,
1653 &error,
1654 NULL,
1655 &info);
1656 if (r < 0)
1657 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1658
1659 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1660 *deps = info.dep[0];
1661 return 0;
1662 }
1663
1664 for (i = 0; i < 5; i++) {
1665 r = strv_extend_strv(&ret, info.dep[i], true);
1666 if (r < 0)
1667 return log_oom();
1668 info.dep[i] = strv_free(info.dep[i]);
1669 }
1670
1671 *deps = TAKE_PTR(ret);
1672
1673 return 0;
1674 }
1675
1676 static int list_dependencies_compare(char * const *a, char * const *b) {
1677 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1678 return 1;
1679 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1680 return -1;
1681
1682 return strcasecmp(*a, *b);
1683 }
1684
1685 static int list_dependencies_one(
1686 sd_bus *bus,
1687 const char *name,
1688 int level,
1689 char ***units,
1690 unsigned branches) {
1691
1692 _cleanup_strv_free_ char **deps = NULL;
1693 char **c;
1694 int r = 0;
1695
1696 assert(bus);
1697 assert(name);
1698 assert(units);
1699
1700 r = strv_extend(units, name);
1701 if (r < 0)
1702 return log_oom();
1703
1704 r = list_dependencies_get_dependencies(bus, name, &deps);
1705 if (r < 0)
1706 return r;
1707
1708 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1709
1710 STRV_FOREACH(c, deps) {
1711 if (strv_contains(*units, *c)) {
1712 if (!arg_plain) {
1713 printf(" ");
1714 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1715 if (r < 0)
1716 return r;
1717 }
1718 continue;
1719 }
1720
1721 if (arg_plain)
1722 printf(" ");
1723 else {
1724 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1725 const char *on;
1726
1727 (void) get_state_one_unit(bus, *c, &active_state);
1728
1729 switch (active_state) {
1730 case UNIT_ACTIVE:
1731 case UNIT_RELOADING:
1732 case UNIT_ACTIVATING:
1733 on = ansi_highlight_green();
1734 break;
1735
1736 case UNIT_INACTIVE:
1737 case UNIT_DEACTIVATING:
1738 on = ansi_normal();
1739 break;
1740
1741 default:
1742 on = ansi_highlight_red();
1743 break;
1744 }
1745
1746 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1747 }
1748
1749 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1750 if (r < 0)
1751 return r;
1752
1753 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1754 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1755 if (r < 0)
1756 return r;
1757 }
1758 }
1759
1760 if (!arg_plain)
1761 strv_remove(*units, name);
1762
1763 return 0;
1764 }
1765
1766 static int list_dependencies(int argc, char *argv[], void *userdata) {
1767 _cleanup_strv_free_ char **units = NULL;
1768 _cleanup_free_ char *unit = NULL;
1769 const char *u;
1770 sd_bus *bus;
1771 int r;
1772
1773 if (argv[1]) {
1774 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1775 if (r < 0)
1776 return log_error_errno(r, "Failed to mangle unit name: %m");
1777
1778 u = unit;
1779 } else
1780 u = SPECIAL_DEFAULT_TARGET;
1781
1782 r = acquire_bus(BUS_MANAGER, &bus);
1783 if (r < 0)
1784 return r;
1785
1786 (void) pager_open(arg_pager_flags);
1787
1788 puts(u);
1789
1790 return list_dependencies_one(bus, u, 0, &units, 0);
1791 }
1792
1793 struct machine_info {
1794 bool is_host;
1795 char *name;
1796 char *state;
1797 char *control_group;
1798 uint32_t n_failed_units;
1799 uint32_t n_jobs;
1800 usec_t timestamp;
1801 };
1802
1803 static const struct bus_properties_map machine_info_property_map[] = {
1804 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1805 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1806 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1807 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1808 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1809 {}
1810 };
1811
1812 static void machine_info_clear(struct machine_info *info) {
1813 assert(info);
1814
1815 free(info->name);
1816 free(info->state);
1817 free(info->control_group);
1818 zero(*info);
1819 }
1820
1821 static void free_machines_list(struct machine_info *machine_infos, int n) {
1822 int i;
1823
1824 if (!machine_infos)
1825 return;
1826
1827 for (i = 0; i < n; i++)
1828 machine_info_clear(&machine_infos[i]);
1829
1830 free(machine_infos);
1831 }
1832
1833 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1834 int r;
1835
1836 r = CMP(b->is_host, a->is_host);
1837 if (r != 0)
1838 return r;
1839
1840 return strcasecmp(a->name, b->name);
1841 }
1842
1843 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1844 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1845 int r;
1846
1847 assert(mi);
1848
1849 if (!bus) {
1850 r = sd_bus_open_system_machine(&container, mi->name);
1851 if (r < 0)
1852 return r;
1853
1854 bus = container;
1855 }
1856
1857 r = bus_map_all_properties(
1858 bus,
1859 "org.freedesktop.systemd1",
1860 "/org/freedesktop/systemd1",
1861 machine_info_property_map,
1862 BUS_MAP_STRDUP,
1863 NULL,
1864 NULL,
1865 mi);
1866 if (r < 0)
1867 return r;
1868
1869 return 0;
1870 }
1871
1872 static bool output_show_machine(const char *name, char **patterns) {
1873 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1874 }
1875
1876 static int get_machine_list(
1877 sd_bus *bus,
1878 struct machine_info **_machine_infos,
1879 char **patterns) {
1880
1881 struct machine_info *machine_infos = NULL;
1882 _cleanup_strv_free_ char **m = NULL;
1883 _cleanup_free_ char *hn = NULL;
1884 size_t sz = 0;
1885 char **i;
1886 int c = 0, r;
1887
1888 hn = gethostname_malloc();
1889 if (!hn)
1890 return log_oom();
1891
1892 if (output_show_machine(hn, patterns)) {
1893 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1894 return log_oom();
1895
1896 machine_infos[c].is_host = true;
1897 machine_infos[c].name = TAKE_PTR(hn);
1898
1899 (void) get_machine_properties(bus, &machine_infos[c]);
1900 c++;
1901 }
1902
1903 r = sd_get_machine_names(&m);
1904 if (r < 0)
1905 return log_error_errno(r, "Failed to get machine list: %m");
1906
1907 STRV_FOREACH(i, m) {
1908 _cleanup_free_ char *class = NULL;
1909
1910 if (!output_show_machine(*i, patterns))
1911 continue;
1912
1913 sd_machine_get_class(*i, &class);
1914 if (!streq_ptr(class, "container"))
1915 continue;
1916
1917 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1918 free_machines_list(machine_infos, c);
1919 return log_oom();
1920 }
1921
1922 machine_infos[c].is_host = false;
1923 machine_infos[c].name = strdup(*i);
1924 if (!machine_infos[c].name) {
1925 free_machines_list(machine_infos, c);
1926 return log_oom();
1927 }
1928
1929 (void) get_machine_properties(NULL, &machine_infos[c]);
1930 c++;
1931 }
1932
1933 *_machine_infos = machine_infos;
1934 return c;
1935 }
1936
1937 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1938 struct machine_info *m;
1939 unsigned
1940 circle_len = 0,
1941 namelen = STRLEN("NAME"),
1942 statelen = STRLEN("STATE"),
1943 failedlen = STRLEN("FAILED"),
1944 jobslen = STRLEN("JOBS");
1945
1946 assert(machine_infos || n == 0);
1947
1948 for (m = machine_infos; m < machine_infos + n; m++) {
1949 namelen = MAX(namelen,
1950 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1951 statelen = MAX(statelen, strlen_ptr(m->state));
1952 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1953 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1954
1955 if (!arg_plain && !streq_ptr(m->state, "running"))
1956 circle_len = 2;
1957 }
1958
1959 if (!arg_no_legend) {
1960 if (circle_len > 0)
1961 fputs(" ", stdout);
1962
1963 printf("%-*s %-*s %-*s %-*s\n",
1964 namelen, "NAME",
1965 statelen, "STATE",
1966 failedlen, "FAILED",
1967 jobslen, "JOBS");
1968 }
1969
1970 for (m = machine_infos; m < machine_infos + n; m++) {
1971 const char *on_state = "", *off_state = "";
1972 const char *on_failed = "", *off_failed = "";
1973 bool circle = false;
1974
1975 if (streq_ptr(m->state, "degraded")) {
1976 on_state = ansi_highlight_red();
1977 off_state = ansi_normal();
1978 circle = true;
1979 } else if (!streq_ptr(m->state, "running")) {
1980 on_state = ansi_highlight_yellow();
1981 off_state = ansi_normal();
1982 circle = true;
1983 }
1984
1985 if (m->n_failed_units > 0) {
1986 on_failed = ansi_highlight_red();
1987 off_failed = ansi_normal();
1988 } else
1989 on_failed = off_failed = "";
1990
1991 if (circle_len > 0)
1992 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
1993
1994 if (m->is_host)
1995 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
1996 (int) (namelen - (STRLEN(" (host)"))),
1997 strna(m->name),
1998 on_state, statelen, strna(m->state), off_state,
1999 on_failed, failedlen, m->n_failed_units, off_failed,
2000 jobslen, m->n_jobs);
2001 else
2002 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2003 namelen, strna(m->name),
2004 on_state, statelen, strna(m->state), off_state,
2005 on_failed, failedlen, m->n_failed_units, off_failed,
2006 jobslen, m->n_jobs);
2007 }
2008
2009 if (!arg_no_legend)
2010 printf("\n%u machines listed.\n", n);
2011 }
2012
2013 static int list_machines(int argc, char *argv[], void *userdata) {
2014 struct machine_info *machine_infos = NULL;
2015 sd_bus *bus;
2016 int r;
2017
2018 r = acquire_bus(BUS_MANAGER, &bus);
2019 if (r < 0)
2020 return r;
2021
2022 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2023 if (r < 0)
2024 return r;
2025
2026 (void) pager_open(arg_pager_flags);
2027
2028 typesafe_qsort(machine_infos, r, compare_machine_info);
2029 output_machines_list(machine_infos, r);
2030 free_machines_list(machine_infos, r);
2031
2032 return 0;
2033 }
2034
2035 static int get_default(int argc, char *argv[], void *userdata) {
2036 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2037 _cleanup_free_ char *_path = NULL;
2038 const char *path;
2039 int r;
2040
2041 if (install_client_side()) {
2042 r = unit_file_get_default(arg_scope, arg_root, &_path);
2043 if (r < 0)
2044 return log_error_errno(r, "Failed to get default target: %m");
2045 path = _path;
2046
2047 r = 0;
2048 } else {
2049 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2050 sd_bus *bus;
2051
2052 r = acquire_bus(BUS_MANAGER, &bus);
2053 if (r < 0)
2054 return r;
2055
2056 r = sd_bus_call_method(
2057 bus,
2058 "org.freedesktop.systemd1",
2059 "/org/freedesktop/systemd1",
2060 "org.freedesktop.systemd1.Manager",
2061 "GetDefaultTarget",
2062 &error,
2063 &reply,
2064 NULL);
2065 if (r < 0)
2066 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2067
2068 r = sd_bus_message_read(reply, "s", &path);
2069 if (r < 0)
2070 return bus_log_parse_error(r);
2071 }
2072
2073 if (path)
2074 printf("%s\n", path);
2075
2076 return 0;
2077 }
2078
2079 static int set_default(int argc, char *argv[], void *userdata) {
2080 _cleanup_free_ char *unit = NULL;
2081 UnitFileChange *changes = NULL;
2082 size_t n_changes = 0;
2083 int r;
2084
2085 assert(argc >= 2);
2086 assert(argv);
2087
2088 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2089 if (r < 0)
2090 return log_error_errno(r, "Failed to mangle unit name: %m");
2091
2092 if (install_client_side()) {
2093 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2094 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2095
2096 if (r > 0)
2097 r = 0;
2098 } else {
2099 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2100 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2101 sd_bus *bus;
2102
2103 polkit_agent_open_maybe();
2104
2105 r = acquire_bus(BUS_MANAGER, &bus);
2106 if (r < 0)
2107 return r;
2108
2109 r = sd_bus_call_method(
2110 bus,
2111 "org.freedesktop.systemd1",
2112 "/org/freedesktop/systemd1",
2113 "org.freedesktop.systemd1.Manager",
2114 "SetDefaultTarget",
2115 &error,
2116 &reply,
2117 "sb", unit, 1);
2118 if (r < 0)
2119 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2120
2121 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2122 if (r < 0)
2123 goto finish;
2124
2125 /* Try to reload if enabled */
2126 if (!arg_no_reload)
2127 r = daemon_reload(argc, argv, userdata);
2128 else
2129 r = 0;
2130 }
2131
2132 finish:
2133 unit_file_changes_free(changes, n_changes);
2134
2135 return r;
2136 }
2137
2138 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2139 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2140 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2141 const char *name, *type;
2142 uint32_t other_id;
2143 int r;
2144
2145 assert(bus);
2146
2147 r = sd_bus_call_method(
2148 bus,
2149 "org.freedesktop.systemd1",
2150 "/org/freedesktop/systemd1",
2151 "org.freedesktop.systemd1.Manager",
2152 method,
2153 &error,
2154 &reply,
2155 "u", id);
2156 if (r < 0)
2157 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2158
2159 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2160 if (r < 0)
2161 return bus_log_parse_error(r);
2162
2163 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2164 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2165 if (r < 0)
2166 return bus_log_parse_error(r);
2167
2168 r = sd_bus_message_exit_container(reply);
2169 if (r < 0)
2170 return bus_log_parse_error(r);
2171
2172 return 0;
2173 }
2174
2175 struct job_info {
2176 uint32_t id;
2177 const char *name, *type, *state;
2178 };
2179
2180 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2181 unsigned id_len, unit_len, type_len, state_len;
2182 const struct job_info *j;
2183 const char *on, *off;
2184 bool shorten = false;
2185
2186 assert(n == 0 || jobs);
2187
2188 if (n == 0) {
2189 if (!arg_no_legend) {
2190 on = ansi_highlight_green();
2191 off = ansi_normal();
2192
2193 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2194 }
2195 return;
2196 }
2197
2198 (void) pager_open(arg_pager_flags);
2199
2200 id_len = STRLEN("JOB");
2201 unit_len = STRLEN("UNIT");
2202 type_len = STRLEN("TYPE");
2203 state_len = STRLEN("STATE");
2204
2205 for (j = jobs; j < jobs + n; j++) {
2206 uint32_t id = j->id;
2207 assert(j->name && j->type && j->state);
2208
2209 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2210 unit_len = MAX(unit_len, strlen(j->name));
2211 type_len = MAX(type_len, strlen(j->type));
2212 state_len = MAX(state_len, strlen(j->state));
2213 }
2214
2215 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2216 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2217 shorten = true;
2218 }
2219
2220 if (!arg_no_legend)
2221 printf("%*s %-*s %-*s %-*s\n",
2222 id_len, "JOB",
2223 unit_len, "UNIT",
2224 type_len, "TYPE",
2225 state_len, "STATE");
2226
2227 for (j = jobs; j < jobs + n; j++) {
2228 _cleanup_free_ char *e = NULL;
2229
2230 if (streq(j->state, "running")) {
2231 on = ansi_highlight();
2232 off = ansi_normal();
2233 } else
2234 on = off = "";
2235
2236 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2237 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2238 id_len, j->id,
2239 on, unit_len, e ? e : j->name, off,
2240 type_len, j->type,
2241 on, state_len, j->state, off);
2242
2243 if (arg_jobs_after)
2244 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2245 if (arg_jobs_before)
2246 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2247 }
2248
2249 if (!arg_no_legend) {
2250 on = ansi_highlight();
2251 off = ansi_normal();
2252
2253 printf("\n%s%u jobs listed%s.\n", on, n, off);
2254 }
2255 }
2256
2257 static bool output_show_job(struct job_info *job, char **patterns) {
2258 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2259 }
2260
2261 static int list_jobs(int argc, char *argv[], void *userdata) {
2262 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2263 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2264 _cleanup_free_ struct job_info *jobs = NULL;
2265 const char *name, *type, *state;
2266 bool skipped = false;
2267 size_t size = 0;
2268 unsigned c = 0;
2269 sd_bus *bus;
2270 uint32_t id;
2271 int r;
2272
2273 r = acquire_bus(BUS_MANAGER, &bus);
2274 if (r < 0)
2275 return r;
2276
2277 r = sd_bus_call_method(
2278 bus,
2279 "org.freedesktop.systemd1",
2280 "/org/freedesktop/systemd1",
2281 "org.freedesktop.systemd1.Manager",
2282 "ListJobs",
2283 &error,
2284 &reply,
2285 NULL);
2286 if (r < 0)
2287 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2288
2289 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2290 if (r < 0)
2291 return bus_log_parse_error(r);
2292
2293 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2294 struct job_info job = { id, name, type, state };
2295
2296 if (!output_show_job(&job, strv_skip(argv, 1))) {
2297 skipped = true;
2298 continue;
2299 }
2300
2301 if (!GREEDY_REALLOC(jobs, size, c + 1))
2302 return log_oom();
2303
2304 jobs[c++] = job;
2305 }
2306 if (r < 0)
2307 return bus_log_parse_error(r);
2308
2309 r = sd_bus_message_exit_container(reply);
2310 if (r < 0)
2311 return bus_log_parse_error(r);
2312
2313 (void) pager_open(arg_pager_flags);
2314
2315 output_jobs_list(bus, jobs, c, skipped);
2316 return 0;
2317 }
2318
2319 static int cancel_job(int argc, char *argv[], void *userdata) {
2320 sd_bus *bus;
2321 char **name;
2322 int r = 0;
2323
2324 if (argc <= 1)
2325 return trivial_method(argc, argv, userdata);
2326
2327 r = acquire_bus(BUS_MANAGER, &bus);
2328 if (r < 0)
2329 return r;
2330
2331 polkit_agent_open_maybe();
2332
2333 STRV_FOREACH(name, strv_skip(argv, 1)) {
2334 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2335 uint32_t id;
2336 int q;
2337
2338 q = safe_atou32(*name, &id);
2339 if (q < 0)
2340 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2341
2342 q = sd_bus_call_method(
2343 bus,
2344 "org.freedesktop.systemd1",
2345 "/org/freedesktop/systemd1",
2346 "org.freedesktop.systemd1.Manager",
2347 "CancelJob",
2348 &error,
2349 NULL,
2350 "u", id);
2351 if (q < 0) {
2352 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2353 if (r == 0)
2354 r = q;
2355 }
2356 }
2357
2358 return r;
2359 }
2360
2361 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2362 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2363 const char *path;
2364 int b, r;
2365
2366 /* We ignore all errors here, since this is used to show a
2367 * warning only */
2368
2369 /* We don't use unit_dbus_path_from_name() directly since we
2370 * don't want to load the unit if it isn't loaded. */
2371
2372 r = sd_bus_call_method(
2373 bus,
2374 "org.freedesktop.systemd1",
2375 "/org/freedesktop/systemd1",
2376 "org.freedesktop.systemd1.Manager",
2377 "GetUnit",
2378 NULL,
2379 &reply,
2380 "s", unit);
2381 if (r < 0)
2382 return r;
2383
2384 r = sd_bus_message_read(reply, "o", &path);
2385 if (r < 0)
2386 return r;
2387
2388 r = sd_bus_get_property_trivial(
2389 bus,
2390 "org.freedesktop.systemd1",
2391 path,
2392 "org.freedesktop.systemd1.Unit",
2393 "NeedDaemonReload",
2394 NULL,
2395 'b', &b);
2396 if (r < 0)
2397 return r;
2398
2399 return b;
2400 }
2401
2402 static void warn_unit_file_changed(const char *name) {
2403 assert(name);
2404
2405 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.",
2406 ansi_highlight_red(),
2407 ansi_normal(),
2408 name,
2409 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2410 }
2411
2412 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2413 char **p;
2414
2415 assert(lp);
2416 assert(unit_name);
2417
2418 STRV_FOREACH(p, lp->search_path) {
2419 _cleanup_free_ char *path = NULL, *lpath = NULL;
2420 int r;
2421
2422 path = path_join(*p, unit_name);
2423 if (!path)
2424 return log_oom();
2425
2426 r = chase_symlinks(path, arg_root, 0, &lpath);
2427 if (r == -ENOENT)
2428 continue;
2429 if (r == -ENOMEM)
2430 return log_oom();
2431 if (r < 0)
2432 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2433
2434 if (ret_unit_path)
2435 *ret_unit_path = TAKE_PTR(lpath);
2436
2437 return 1;
2438 }
2439
2440 if (ret_unit_path)
2441 *ret_unit_path = NULL;
2442
2443 return 0;
2444 }
2445
2446 static int unit_find_template_path(
2447 const char *unit_name,
2448 LookupPaths *lp,
2449 char **ret_fragment_path,
2450 char **ret_template) {
2451
2452 _cleanup_free_ char *t = NULL, *f = NULL;
2453 int r;
2454
2455 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2456
2457 r = unit_file_find_path(lp, unit_name, &f);
2458 if (r < 0)
2459 return r;
2460 if (r > 0) {
2461 if (ret_fragment_path)
2462 *ret_fragment_path = TAKE_PTR(f);
2463 if (ret_template)
2464 *ret_template = NULL;
2465 return r; /* found a real unit */
2466 }
2467
2468 r = unit_name_template(unit_name, &t);
2469 if (r == -EINVAL) {
2470 if (ret_fragment_path)
2471 *ret_fragment_path = NULL;
2472 if (ret_template)
2473 *ret_template = NULL;
2474
2475 return 0; /* not a template, does not exist */
2476 }
2477 if (r < 0)
2478 return log_error_errno(r, "Failed to determine template name: %m");
2479
2480 r = unit_file_find_path(lp, t, ret_fragment_path);
2481 if (r < 0)
2482 return r;
2483
2484 if (ret_template)
2485 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2486
2487 return r;
2488 }
2489
2490 static int unit_find_paths(
2491 sd_bus *bus,
2492 const char *unit_name,
2493 LookupPaths *lp,
2494 bool force_client_side,
2495 char **ret_fragment_path,
2496 char ***ret_dropin_paths) {
2497
2498 _cleanup_strv_free_ char **dropins = NULL;
2499 _cleanup_free_ char *path = NULL;
2500 int r;
2501
2502 /**
2503 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is found, and
2504 * sets:
2505 * - the path to the unit in *ret_frament_path, if it exists on disk,
2506 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins were found.
2507 *
2508 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for some
2509 * reason (the latter only applies if we are going through the service manager)
2510 */
2511
2512 assert(unit_name);
2513 assert(ret_fragment_path);
2514 assert(lp);
2515
2516 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2517 if (!force_client_side &&
2518 !install_client_side() &&
2519 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2520 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2521 _cleanup_free_ char *load_state = NULL, *unit = NULL;
2522
2523 unit = unit_dbus_path_from_name(unit_name);
2524 if (!unit)
2525 return log_oom();
2526
2527 r = sd_bus_get_property_string(
2528 bus,
2529 "org.freedesktop.systemd1",
2530 unit,
2531 "org.freedesktop.systemd1.Unit",
2532 "LoadState",
2533 &error,
2534 &load_state);
2535 if (r < 0)
2536 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2537
2538 if (streq(load_state, "masked"))
2539 return -ERFKILL;
2540 if (streq(load_state, "not-found")) {
2541 r = 0;
2542 goto not_found;
2543 }
2544 if (!streq(load_state, "loaded"))
2545 return -EKEYREJECTED;
2546
2547 r = sd_bus_get_property_string(
2548 bus,
2549 "org.freedesktop.systemd1",
2550 unit,
2551 "org.freedesktop.systemd1.Unit",
2552 "FragmentPath",
2553 &error,
2554 &path);
2555 if (r < 0)
2556 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2557
2558 if (ret_dropin_paths) {
2559 r = sd_bus_get_property_strv(
2560 bus,
2561 "org.freedesktop.systemd1",
2562 unit,
2563 "org.freedesktop.systemd1.Unit",
2564 "DropInPaths",
2565 &error,
2566 &dropins);
2567 if (r < 0)
2568 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2569 }
2570 } else {
2571 _cleanup_set_free_ Set *names = NULL;
2572 _cleanup_free_ char *template = NULL;
2573
2574 names = set_new(NULL);
2575 if (!names)
2576 return log_oom();
2577
2578 r = unit_find_template_path(unit_name, lp, &path, &template);
2579 if (r < 0)
2580 return r;
2581 if (r > 0) {
2582 if (null_or_empty_path(path))
2583 /* The template is masked. Let's cut the process short. */
2584 return -ERFKILL;
2585
2586 /* We found the unit file. If we followed symlinks, this name might be
2587 * different then the unit_name with started with. Look for dropins matching
2588 * that "final" name. */
2589 r = set_put(names, basename(path));
2590 } else if (!template)
2591 /* No unit file, let's look for dropins matching the original name.
2592 * systemd has fairly complicated rules (based on unit type and provenience),
2593 * which units are allowed not to have the main unit file. We err on the
2594 * side of including too many files, and always try to load dropins. */
2595 r = set_put(names, unit_name);
2596 else
2597 /* The cases where we allow a unit to exist without the main file are
2598 * never valid for templates. Don't try to load dropins in this case. */
2599 goto not_found;
2600
2601 if (r < 0)
2602 return log_error_errno(r, "Failed to add unit name: %m");
2603
2604 if (ret_dropin_paths) {
2605 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, NULL, names, &dropins);
2606 if (r < 0)
2607 return r;
2608 }
2609 }
2610
2611 r = 0;
2612
2613 if (!isempty(path)) {
2614 *ret_fragment_path = TAKE_PTR(path);
2615 r = 1;
2616 } else
2617 *ret_fragment_path = NULL;
2618
2619 if (ret_dropin_paths) {
2620 if (!strv_isempty(dropins)) {
2621 *ret_dropin_paths = TAKE_PTR(dropins);
2622 r = 1;
2623 } else
2624 *ret_dropin_paths = NULL;
2625 }
2626
2627 not_found:
2628 if (r == 0 && !arg_force)
2629 log_error("No files found for %s.", unit_name);
2630
2631 return r;
2632 }
2633
2634 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2635 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2636 _cleanup_free_ char *buf = NULL, *path = NULL;
2637 UnitActiveState state;
2638 int r;
2639
2640 assert(name);
2641 assert(active_state);
2642
2643 path = unit_dbus_path_from_name(name);
2644 if (!path)
2645 return log_oom();
2646
2647 r = sd_bus_get_property_string(
2648 bus,
2649 "org.freedesktop.systemd1",
2650 path,
2651 "org.freedesktop.systemd1.Unit",
2652 "ActiveState",
2653 &error,
2654 &buf);
2655 if (r < 0)
2656 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2657
2658 state = unit_active_state_from_string(buf);
2659 if (state < 0)
2660 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2661
2662 *active_state = state;
2663 return 0;
2664 }
2665
2666 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2667 _cleanup_free_ char *load_state = NULL;
2668 int r;
2669
2670 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2671 _cleanup_free_ char *path = NULL;
2672
2673 /* A template cannot be loaded, but it can be still masked, so
2674 * we need to use a different method. */
2675
2676 r = unit_file_find_path(lp, name, &path);
2677 if (r < 0)
2678 return r;
2679 if (r == 0)
2680 return false;
2681 return null_or_empty_path(path);
2682 }
2683
2684 r = unit_load_state(bus, name, &load_state);
2685 if (r < 0)
2686 return r;
2687
2688 return streq(load_state, "masked");
2689 }
2690
2691 static int check_triggering_units(sd_bus *bus, const char *name) {
2692 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2693 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2694 _cleanup_strv_free_ char **triggered_by = NULL;
2695 bool print_warning_label = true;
2696 UnitActiveState active_state;
2697 char **i;
2698 int r;
2699
2700 r = unit_name_mangle(name, 0, &n);
2701 if (r < 0)
2702 return log_error_errno(r, "Failed to mangle unit name: %m");
2703
2704 r = unit_load_state(bus, name, &load_state);
2705 if (r < 0)
2706 return r;
2707
2708 if (streq(load_state, "masked"))
2709 return 0;
2710
2711 path = unit_dbus_path_from_name(n);
2712 if (!path)
2713 return log_oom();
2714
2715 r = sd_bus_get_property_strv(
2716 bus,
2717 "org.freedesktop.systemd1",
2718 path,
2719 "org.freedesktop.systemd1.Unit",
2720 "TriggeredBy",
2721 &error,
2722 &triggered_by);
2723 if (r < 0)
2724 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2725
2726 STRV_FOREACH(i, triggered_by) {
2727 r = get_state_one_unit(bus, *i, &active_state);
2728 if (r < 0)
2729 return r;
2730
2731 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2732 continue;
2733
2734 if (print_warning_label) {
2735 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2736 print_warning_label = false;
2737 }
2738
2739 log_warning(" %s", *i);
2740 }
2741
2742 return 0;
2743 }
2744
2745 static const struct {
2746 const char *verb; /* systemctl verb */
2747 const char *method; /* Name of the specific D-Bus method */
2748 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2749 } unit_actions[] = {
2750 { "start", "StartUnit", "start" },
2751 { "stop", "StopUnit", "stop" },
2752 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2753 { "reload", "ReloadUnit", "reload" },
2754 { "restart", "RestartUnit", "restart" },
2755 { "try-restart", "TryRestartUnit", "try-restart" },
2756 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2757 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2758 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2759 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2760 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2761 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2762 };
2763
2764 static const char *verb_to_method(const char *verb) {
2765 size_t i;
2766
2767 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2768 if (streq_ptr(unit_actions[i].verb, verb))
2769 return unit_actions[i].method;
2770
2771 return "StartUnit";
2772 }
2773
2774 static const char *verb_to_job_type(const char *verb) {
2775 size_t i;
2776
2777 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2778 if (streq_ptr(unit_actions[i].verb, verb))
2779 return unit_actions[i].job_type;
2780
2781 return "start";
2782 }
2783
2784 typedef struct {
2785 sd_bus_slot *match;
2786 sd_event *event;
2787 Set *unit_paths;
2788 bool any_failed;
2789 } WaitContext;
2790
2791 static void wait_context_free(WaitContext *c) {
2792 c->match = sd_bus_slot_unref(c->match);
2793 c->event = sd_event_unref(c->event);
2794 c->unit_paths = set_free_free(c->unit_paths);
2795 }
2796
2797 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2798 const char *path, *interface, *active_state = NULL, *job_path = NULL;
2799 WaitContext *c = userdata;
2800 bool is_failed;
2801 int r;
2802
2803 /* Called whenever we get a PropertiesChanged signal. Checks if ActiveState changed to inactive/failed.
2804 *
2805 * Signal parameters: (s interface, a{sv} changed_properties, as invalidated_properties) */
2806
2807 path = sd_bus_message_get_path(m);
2808 if (!set_contains(c->unit_paths, path))
2809 return 0;
2810
2811 r = sd_bus_message_read(m, "s", &interface);
2812 if (r < 0)
2813 return bus_log_parse_error(r);
2814
2815 if (!streq(interface, "org.freedesktop.systemd1.Unit")) /* ActiveState is on the Unit interface */
2816 return 0;
2817
2818 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2819 if (r < 0)
2820 return bus_log_parse_error(r);
2821
2822 for (;;) {
2823 const char *s;
2824
2825 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv");
2826 if (r < 0)
2827 return bus_log_parse_error(r);
2828 if (r == 0) /* end of array */
2829 break;
2830
2831 r = sd_bus_message_read(m, "s", &s); /* Property name */
2832 if (r < 0)
2833 return bus_log_parse_error(r);
2834
2835 if (streq(s, "ActiveState")) {
2836 r = sd_bus_message_read(m, "v", "s", &active_state);
2837 if (r < 0)
2838 return bus_log_parse_error(r);
2839
2840 if (job_path) /* Found everything we need */
2841 break;
2842
2843 } else if (streq(s, "Job")) {
2844 uint32_t job_id;
2845
2846 r = sd_bus_message_read(m, "v", "(uo)", &job_id, &job_path);
2847 if (r < 0)
2848 return bus_log_parse_error(r);
2849
2850 /* There's still a job pending for this unit, let's ignore this for now, and return right-away. */
2851 if (job_id != 0)
2852 return 0;
2853
2854 if (active_state) /* Found everything we need */
2855 break;
2856
2857 } else {
2858 r = sd_bus_message_skip(m, "v"); /* Other property */
2859 if (r < 0)
2860 return bus_log_parse_error(r);
2861 }
2862
2863 r = sd_bus_message_exit_container(m);
2864 if (r < 0)
2865 return bus_log_parse_error(r);
2866 }
2867
2868 /* If this didn't contain the ActiveState property we can't do anything */
2869 if (!active_state)
2870 return 0;
2871
2872 is_failed = streq(active_state, "failed");
2873 if (streq(active_state, "inactive") || is_failed) {
2874 log_debug("%s became %s, dropping from --wait tracking", path, active_state);
2875 free(set_remove(c->unit_paths, path));
2876 c->any_failed = c->any_failed || is_failed;
2877 } else
2878 log_debug("ActiveState on %s changed to %s", path, active_state);
2879
2880 if (set_isempty(c->unit_paths))
2881 sd_event_exit(c->event, EXIT_SUCCESS);
2882
2883 return 0;
2884 }
2885
2886 static int wait_context_watch(
2887 WaitContext *wait_context,
2888 sd_bus *bus,
2889 const char *name) {
2890
2891 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2892 _cleanup_free_ char *unit_path = NULL;
2893 int r;
2894
2895 assert(wait_context);
2896 assert(name);
2897
2898 log_debug("Watching for property changes of %s", name);
2899 r = sd_bus_call_method(
2900 bus,
2901 "org.freedesktop.systemd1",
2902 "/org/freedesktop/systemd1",
2903 "org.freedesktop.systemd1.Manager",
2904 "RefUnit",
2905 &error,
2906 NULL,
2907 "s", name);
2908 if (r < 0)
2909 return log_error_errno(r, "Failed to add reference to unit %s: %s", name, bus_error_message(&error, r));
2910
2911 unit_path = unit_dbus_path_from_name(name);
2912 if (!unit_path)
2913 return log_oom();
2914
2915 r = set_ensure_allocated(&wait_context->unit_paths, &string_hash_ops);
2916 if (r < 0)
2917 return log_oom();
2918
2919 r = set_put_strdup(wait_context->unit_paths, unit_path);
2920 if (r < 0)
2921 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2922
2923 r = sd_bus_match_signal_async(bus,
2924 &wait_context->match,
2925 NULL,
2926 unit_path,
2927 "org.freedesktop.DBus.Properties",
2928 "PropertiesChanged",
2929 on_properties_changed, NULL, wait_context);
2930 if (r < 0)
2931 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2932
2933 return 0;
2934 }
2935
2936 static int start_unit_one(
2937 sd_bus *bus,
2938 const char *method, /* When using classic per-job bus methods */
2939 const char *job_type, /* When using new-style EnqueueUnitJob() */
2940 const char *name,
2941 const char *mode,
2942 sd_bus_error *error,
2943 BusWaitForJobs *w,
2944 WaitContext *wait_context) {
2945
2946 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2947 const char *path;
2948 bool done = false;
2949 int r;
2950
2951 assert(method);
2952 assert(name);
2953 assert(mode);
2954 assert(error);
2955
2956 if (wait_context) {
2957 r = wait_context_watch(wait_context, bus, name);
2958 if (r < 0)
2959 return r;
2960 }
2961
2962 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2963 arg_dry_run ? "Would execute" : "Executing",
2964 method, name, mode);
2965
2966 if (arg_dry_run)
2967 return 0;
2968
2969 if (arg_show_transaction) {
2970 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2971
2972 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2973 r = sd_bus_call_method(
2974 bus,
2975 "org.freedesktop.systemd1",
2976 "/org/freedesktop/systemd1",
2977 "org.freedesktop.systemd1.Manager",
2978 "EnqueueUnitJob",
2979 &enqueue_error,
2980 &reply,
2981 "sss",
2982 name, job_type, mode);
2983 if (r < 0) {
2984 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2985 (void) sd_bus_error_move(error, &enqueue_error);
2986 goto fail;
2987 }
2988
2989 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2990 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2991 } else {
2992 const char *u, *jt;
2993 uint32_t id;
2994
2995 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2996 if (r < 0)
2997 return bus_log_parse_error(r);
2998
2999 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
3000
3001 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
3002 if (r < 0)
3003 return bus_log_parse_error(r);
3004 for (;;) {
3005 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
3006 if (r < 0)
3007 return bus_log_parse_error(r);
3008 if (r == 0)
3009 break;
3010
3011 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
3012 }
3013
3014 r = sd_bus_message_exit_container(reply);
3015 if (r < 0)
3016 return bus_log_parse_error(r);
3017
3018 done = true;
3019 }
3020 }
3021
3022 if (!done) {
3023 r = sd_bus_call_method(
3024 bus,
3025 "org.freedesktop.systemd1",
3026 "/org/freedesktop/systemd1",
3027 "org.freedesktop.systemd1.Manager",
3028 method,
3029 error,
3030 &reply,
3031 "ss", name, mode);
3032 if (r < 0)
3033 goto fail;
3034
3035 r = sd_bus_message_read(reply, "o", &path);
3036 if (r < 0)
3037 return bus_log_parse_error(r);
3038 }
3039
3040 if (need_daemon_reload(bus, name) > 0)
3041 warn_unit_file_changed(name);
3042
3043 if (w) {
3044 log_debug("Adding %s to the set", path);
3045 r = bus_wait_for_jobs_add(w, path);
3046 if (r < 0)
3047 return log_error_errno(r, "Failed to watch job for %s: %m", name);
3048 }
3049
3050 return 0;
3051
3052 fail:
3053 /* There's always a fallback possible for legacy actions. */
3054 if (arg_action != ACTION_SYSTEMCTL)
3055 return r;
3056
3057 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
3058
3059 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
3060 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
3061 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
3062 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
3063 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
3064 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
3065 name[0] == '-' ? " --" : "",
3066 name);
3067
3068 return r;
3069 }
3070
3071 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
3072 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
3073 char **name;
3074 int r, i;
3075
3076 assert(bus);
3077 assert(ret);
3078
3079 STRV_FOREACH(name, names) {
3080 char *t;
3081 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
3082
3083 if (suffix)
3084 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
3085 else
3086 r = unit_name_mangle(*name, options, &t);
3087 if (r < 0)
3088 return log_error_errno(r, "Failed to mangle name: %m");
3089
3090 if (string_is_glob(t))
3091 r = strv_consume(&globs, t);
3092 else
3093 r = strv_consume(&mangled, t);
3094 if (r < 0)
3095 return log_oom();
3096 }
3097
3098 /* Query the manager only if any of the names are a glob, since
3099 * this is fairly expensive */
3100 if (!strv_isempty(globs)) {
3101 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3102 _cleanup_free_ UnitInfo *unit_infos = NULL;
3103 size_t allocated, n;
3104
3105 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
3106 if (r < 0)
3107 return r;
3108
3109 n = strv_length(mangled);
3110 allocated = n + 1;
3111
3112 for (i = 0; i < r; i++) {
3113 if (!GREEDY_REALLOC(mangled, allocated, n+2))
3114 return log_oom();
3115
3116 mangled[n] = strdup(unit_infos[i].id);
3117 if (!mangled[n])
3118 return log_oom();
3119
3120 mangled[++n] = NULL;
3121 }
3122 }
3123
3124 *ret = TAKE_PTR(mangled);
3125 return 0;
3126 }
3127
3128 static const struct {
3129 const char *target;
3130 const char *verb;
3131 const char *mode;
3132 } action_table[_ACTION_MAX] = {
3133 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3134 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3135 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3136 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3137 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3138 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3139 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3140 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3141 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3142 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3143 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3144 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3145 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3146 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3147 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3148 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3149 };
3150
3151 static enum action verb_to_action(const char *verb) {
3152 enum action i;
3153
3154 for (i = 0; i < _ACTION_MAX; i++)
3155 if (streq_ptr(action_table[i].verb, verb))
3156 return i;
3157
3158 return _ACTION_INVALID;
3159 }
3160
3161 static const char** make_extra_args(const char *extra_args[static 4]) {
3162 size_t n = 0;
3163
3164 if (arg_scope != UNIT_FILE_SYSTEM)
3165 extra_args[n++] = "--user";
3166
3167 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3168 extra_args[n++] = "-H";
3169 extra_args[n++] = arg_host;
3170 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3171 extra_args[n++] = "-M";
3172 extra_args[n++] = arg_host;
3173 } else
3174 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3175
3176 extra_args[n] = NULL;
3177 return extra_args;
3178 }
3179
3180 static int start_unit(int argc, char *argv[], void *userdata) {
3181 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3182 _cleanup_(wait_context_free) WaitContext wait_context = {};
3183 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3184 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3185 _cleanup_strv_free_ char **names = NULL;
3186 int r, ret = EXIT_SUCCESS;
3187 sd_bus *bus;
3188 char **name;
3189
3190 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3191 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3192 "--wait may only be used with the 'start' or 'restart' commands.");
3193
3194 /* we cannot do sender tracking on the private bus, so we need the full
3195 * one for RefUnit to implement --wait */
3196 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3197 if (r < 0)
3198 return r;
3199
3200 ask_password_agent_open_if_enabled();
3201 polkit_agent_open_maybe();
3202
3203 if (arg_action == ACTION_SYSTEMCTL) {
3204 enum action action;
3205
3206 action = verb_to_action(argv[0]);
3207
3208 if (action != _ACTION_INVALID) {
3209 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3210 method = "StartUnit";
3211 job_type = "start";
3212 mode = action_table[action].mode;
3213 one_name = action_table[action].target;
3214 } else {
3215 if (streq(argv[0], "isolate")) {
3216 /* A "systemctl isolate <unit1> <unit2> …" command */
3217 method = "StartUnit";
3218 job_type = "start";
3219 mode = "isolate";
3220 suffix = ".target";
3221 } else {
3222 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3223 method = verb_to_method(argv[0]);
3224 job_type = verb_to_job_type(argv[0]);
3225 mode = arg_job_mode;
3226 }
3227 one_name = NULL;
3228 }
3229 } else {
3230 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3231 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3232 assert(action_table[arg_action].target);
3233 assert(action_table[arg_action].mode);
3234
3235 method = "StartUnit";
3236 job_type = "start";
3237 mode = action_table[arg_action].mode;
3238 one_name = action_table[arg_action].target;
3239 }
3240
3241 if (one_name) {
3242 names = strv_new(one_name);
3243 if (!names)
3244 return log_oom();
3245 } else {
3246 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3247 if (r < 0)
3248 return log_error_errno(r, "Failed to expand names: %m");
3249 }
3250
3251 if (!arg_no_block) {
3252 r = bus_wait_for_jobs_new(bus, &w);
3253 if (r < 0)
3254 return log_error_errno(r, "Could not watch jobs: %m");
3255 }
3256
3257 if (arg_wait) {
3258 r = sd_bus_call_method_async(
3259 bus,
3260 NULL,
3261 "org.freedesktop.systemd1",
3262 "/org/freedesktop/systemd1",
3263 "org.freedesktop.systemd1.Manager",
3264 "Subscribe",
3265 NULL, NULL,
3266 NULL);
3267 if (r < 0)
3268 return log_error_errno(r, "Failed to enable subscription: %m");
3269
3270 r = sd_event_default(&wait_context.event);
3271 if (r < 0)
3272 return log_error_errno(r, "Failed to allocate event loop: %m");
3273
3274 r = sd_bus_attach_event(bus, wait_context.event, 0);
3275 if (r < 0)
3276 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3277 }
3278
3279 STRV_FOREACH(name, names) {
3280 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3281
3282 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3283 if (ret == EXIT_SUCCESS && r < 0)
3284 ret = translate_bus_error_to_exit_status(r, &error);
3285
3286 if (r >= 0 && streq(method, "StopUnit")) {
3287 r = strv_push(&stopped_units, *name);
3288 if (r < 0)
3289 return log_oom();
3290 }
3291 }
3292
3293 if (!arg_no_block) {
3294 const char* extra_args[4];
3295
3296 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3297 if (r < 0)
3298 return r;
3299
3300 /* When stopping units, warn if they can still be triggered by
3301 * another active unit (socket, path, timer) */
3302 if (!arg_quiet)
3303 STRV_FOREACH(name, stopped_units)
3304 (void) check_triggering_units(bus, *name);
3305 }
3306
3307 if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) {
3308 r = sd_event_loop(wait_context.event);
3309 if (r < 0)
3310 return log_error_errno(r, "Failed to run event loop: %m");
3311 if (wait_context.any_failed)
3312 ret = EXIT_FAILURE;
3313 }
3314
3315 return ret;
3316 }
3317
3318 #if ENABLE_LOGIND
3319 static int logind_set_wall_message(void) {
3320 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3321 sd_bus *bus;
3322 _cleanup_free_ char *m = NULL;
3323 int r;
3324
3325 r = acquire_bus(BUS_FULL, &bus);
3326 if (r < 0)
3327 return r;
3328
3329 m = strv_join(arg_wall, " ");
3330 if (!m)
3331 return log_oom();
3332
3333 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3334 if (arg_dry_run)
3335 return 0;
3336
3337 r = sd_bus_call_method(
3338 bus,
3339 "org.freedesktop.login1",
3340 "/org/freedesktop/login1",
3341 "org.freedesktop.login1.Manager",
3342 "SetWallMessage",
3343 &error,
3344 NULL,
3345 "sb",
3346 m,
3347 !arg_no_wall);
3348
3349 if (r < 0)
3350 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3351 return 0;
3352 }
3353 #endif
3354
3355 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3356 static int logind_reboot(enum action a) {
3357 #if ENABLE_LOGIND
3358 static const struct {
3359 const char *method;
3360 const char *description;
3361 } actions[_ACTION_MAX] = {
3362 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3363 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3364 [ACTION_HALT] = { "Halt", "halt system" },
3365 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3366 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3367 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3368 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3369 };
3370
3371 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3372 sd_bus *bus;
3373 int r;
3374
3375 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3376 return -EINVAL;
3377
3378 r = acquire_bus(BUS_FULL, &bus);
3379 if (r < 0)
3380 return r;
3381
3382 polkit_agent_open_maybe();
3383 (void) logind_set_wall_message();
3384
3385 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3386
3387 if (arg_dry_run)
3388 return 0;
3389
3390 r = sd_bus_call_method(
3391 bus,
3392 "org.freedesktop.login1",
3393 "/org/freedesktop/login1",
3394 "org.freedesktop.login1.Manager",
3395 actions[a].method,
3396 &error,
3397 NULL,
3398 "b", arg_ask_password);
3399 if (r < 0)
3400 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3401
3402 return 0;
3403 #else
3404 return -ENOSYS;
3405 #endif
3406 }
3407
3408 static int logind_check_inhibitors(enum action a) {
3409 #if ENABLE_LOGIND
3410 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3411 _cleanup_strv_free_ char **sessions = NULL;
3412 const char *what, *who, *why, *mode;
3413 uint32_t uid, pid;
3414 sd_bus *bus;
3415 unsigned c = 0;
3416 char **s;
3417 int r;
3418
3419 if (arg_ignore_inhibitors || arg_force > 0)
3420 return 0;
3421
3422 if (arg_when > 0)
3423 return 0;
3424
3425 if (geteuid() == 0)
3426 return 0;
3427
3428 if (!on_tty())
3429 return 0;
3430
3431 if (arg_transport != BUS_TRANSPORT_LOCAL)
3432 return 0;
3433
3434 r = acquire_bus(BUS_FULL, &bus);
3435 if (r < 0)
3436 return r;
3437
3438 r = sd_bus_call_method(
3439 bus,
3440 "org.freedesktop.login1",
3441 "/org/freedesktop/login1",
3442 "org.freedesktop.login1.Manager",
3443 "ListInhibitors",
3444 NULL,
3445 &reply,
3446 NULL);
3447 if (r < 0)
3448 /* If logind is not around, then there are no inhibitors... */
3449 return 0;
3450
3451 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3452 if (r < 0)
3453 return bus_log_parse_error(r);
3454
3455 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3456 _cleanup_free_ char *comm = NULL, *user = NULL;
3457 _cleanup_strv_free_ char **sv = NULL;
3458
3459 if (!streq(mode, "block"))
3460 continue;
3461
3462 sv = strv_split(what, ":");
3463 if (!sv)
3464 return log_oom();
3465
3466 if (!pid_is_valid((pid_t) pid))
3467 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3468
3469 if (!strv_contains(sv,
3470 IN_SET(a,
3471 ACTION_HALT,
3472 ACTION_POWEROFF,
3473 ACTION_REBOOT,
3474 ACTION_KEXEC) ? "shutdown" : "sleep"))
3475 continue;
3476
3477 get_process_comm(pid, &comm);
3478 user = uid_to_name(uid);
3479
3480 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3481 who, (pid_t) pid, strna(comm), strna(user), why);
3482
3483 c++;
3484 }
3485 if (r < 0)
3486 return bus_log_parse_error(r);
3487
3488 r = sd_bus_message_exit_container(reply);
3489 if (r < 0)
3490 return bus_log_parse_error(r);
3491
3492 /* Check for current sessions */
3493 sd_get_sessions(&sessions);
3494 STRV_FOREACH(s, sessions) {
3495 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3496
3497 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3498 continue;
3499
3500 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3501 continue;
3502
3503 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3504 continue;
3505
3506 sd_session_get_tty(*s, &tty);
3507 sd_session_get_seat(*s, &seat);
3508 sd_session_get_service(*s, &service);
3509 user = uid_to_name(uid);
3510
3511 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3512 c++;
3513 }
3514
3515 if (c <= 0)
3516 return 0;
3517
3518 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3519 action_table[a].verb);
3520
3521 return -EPERM;
3522 #else
3523 return 0;
3524 #endif
3525 }
3526
3527 static int prepare_firmware_setup(void) {
3528
3529 if (!arg_firmware_setup)
3530 return 0;
3531
3532 #if ENABLE_LOGIND
3533 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3534 sd_bus *bus;
3535 int r;
3536
3537 r = acquire_bus(BUS_FULL, &bus);
3538 if (r < 0)
3539 return r;
3540
3541 r = sd_bus_call_method(
3542 bus,
3543 "org.freedesktop.login1",
3544 "/org/freedesktop/login1",
3545 "org.freedesktop.login1.Manager",
3546 "SetRebootToFirmwareSetup",
3547 &error,
3548 NULL,
3549 "b", true);
3550 if (r < 0)
3551 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3552
3553 return 0;
3554 #else
3555 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3556 "Booting into firmware setup not supported.");
3557 #endif
3558 }
3559
3560 static int prepare_boot_loader_menu(void) {
3561
3562 if (arg_boot_loader_menu == USEC_INFINITY)
3563 return 0;
3564
3565 #if ENABLE_LOGIND
3566 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3567 sd_bus *bus;
3568 int r;
3569
3570 r = acquire_bus(BUS_FULL, &bus);
3571 if (r < 0)
3572 return r;
3573
3574 r = sd_bus_call_method(
3575 bus,
3576 "org.freedesktop.login1",
3577 "/org/freedesktop/login1",
3578 "org.freedesktop.login1.Manager",
3579 "SetRebootToBootLoaderMenu",
3580 &error,
3581 NULL,
3582 "t", arg_boot_loader_menu);
3583 if (r < 0)
3584 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3585
3586 return 0;
3587 #else
3588 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3589 "Booting into boot loader menu not supported.");
3590 #endif
3591 }
3592
3593 static int prepare_boot_loader_entry(void) {
3594
3595 if (!arg_boot_loader_entry)
3596 return 0;
3597
3598 #if ENABLE_LOGIND
3599 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3600 sd_bus *bus;
3601 int r;
3602
3603 r = acquire_bus(BUS_FULL, &bus);
3604 if (r < 0)
3605 return r;
3606
3607 r = sd_bus_call_method(
3608 bus,
3609 "org.freedesktop.login1",
3610 "/org/freedesktop/login1",
3611 "org.freedesktop.login1.Manager",
3612 "SetRebootToBootLoaderEntry",
3613 &error,
3614 NULL,
3615 "s", arg_boot_loader_entry);
3616 if (r < 0)
3617 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3618
3619 return 0;
3620 #else
3621 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3622 "Booting into boot loader entry not supported.");
3623 #endif
3624 }
3625
3626 static int load_kexec_kernel(void) {
3627 _cleanup_(boot_config_free) BootConfig config = {};
3628 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3629 const BootEntry *e;
3630 pid_t pid;
3631 int r;
3632
3633 if (kexec_loaded()) {
3634 log_debug("Kexec kernel already loaded.");
3635 return 0;
3636 }
3637
3638 if (access(KEXEC, X_OK) < 0)
3639 return log_error_errno(errno, KEXEC" is not available: %m");
3640
3641 r = boot_entries_load_config_auto(NULL, NULL, &config);
3642 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3643 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3644 if (r < 0)
3645 return r;
3646
3647 e = boot_config_default_entry(&config);
3648 if (!e)
3649 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3650 "No boot loader entry suitable as default, refusing to guess.");
3651
3652 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3653
3654 if (!e->kernel)
3655 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3656 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3657 if (strv_length(e->initrd) > 1)
3658 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3659 "Boot entry specifies multiple initrds, which is not supported currently.");
3660
3661 kernel = path_join(e->root, e->kernel);
3662 if (!kernel)
3663 return log_oom();
3664
3665 if (!strv_isempty(e->initrd)) {
3666 initrd = path_join(e->root, e->initrd[0]);
3667 if (!initrd)
3668 return log_oom();
3669 }
3670
3671 options = strv_join(e->options, " ");
3672 if (!options)
3673 return log_oom();
3674
3675 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3676 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3677 arg_dry_run ? "Would run" : "Running",
3678 kernel,
3679 options,
3680 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3681 if (arg_dry_run)
3682 return 0;
3683
3684 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3685 if (r < 0)
3686 return r;
3687 if (r == 0) {
3688 const char* const args[] = {
3689 KEXEC,
3690 "--load", kernel,
3691 "--append", options,
3692 initrd ? "--initrd" : NULL, initrd,
3693 NULL
3694 };
3695
3696 /* Child */
3697 execv(args[0], (char * const *) args);
3698 _exit(EXIT_FAILURE);
3699 }
3700
3701 return 0;
3702 }
3703
3704 static int set_exit_code(uint8_t code) {
3705 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3706 sd_bus *bus;
3707 int r;
3708
3709 r = acquire_bus(BUS_MANAGER, &bus);
3710 if (r < 0)
3711 return r;
3712
3713 r = sd_bus_call_method(
3714 bus,
3715 "org.freedesktop.systemd1",
3716 "/org/freedesktop/systemd1",
3717 "org.freedesktop.systemd1.Manager",
3718 "SetExitCode",
3719 &error,
3720 NULL,
3721 "y", code);
3722 if (r < 0)
3723 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3724
3725 return 0;
3726 }
3727
3728 static int start_special(int argc, char *argv[], void *userdata) {
3729 enum action a;
3730 int r;
3731 bool termination_action; /* an action that terminates the manager,
3732 * can be performed also by signal. */
3733
3734 assert(argv);
3735
3736 a = verb_to_action(argv[0]);
3737
3738 r = logind_check_inhibitors(a);
3739 if (r < 0)
3740 return r;
3741
3742 if (arg_force >= 2) {
3743 r = must_be_root();
3744 if (r < 0)
3745 return r;
3746 }
3747
3748 r = prepare_firmware_setup();
3749 if (r < 0)
3750 return r;
3751
3752 r = prepare_boot_loader_menu();
3753 if (r < 0)
3754 return r;
3755
3756 r = prepare_boot_loader_entry();
3757 if (r < 0)
3758 return r;
3759
3760 if (a == ACTION_REBOOT && argc > 1) {
3761 r = update_reboot_parameter_and_warn(argv[1], false);
3762 if (r < 0)
3763 return r;
3764
3765 } else if (a == ACTION_KEXEC) {
3766 r = load_kexec_kernel();
3767 if (r < 0 && arg_force >= 1)
3768 log_notice("Failed to load kexec kernel, continuing without.");
3769 else if (r < 0)
3770 return r;
3771
3772 } else if (a == ACTION_EXIT && argc > 1) {
3773 uint8_t code;
3774
3775 /* If the exit code is not given on the command line,
3776 * don't reset it to zero: just keep it as it might
3777 * have been set previously. */
3778
3779 r = safe_atou8(argv[1], &code);
3780 if (r < 0)
3781 return log_error_errno(r, "Invalid exit code.");
3782
3783 r = set_exit_code(code);
3784 if (r < 0)
3785 return r;
3786 }
3787
3788 termination_action = IN_SET(a,
3789 ACTION_HALT,
3790 ACTION_POWEROFF,
3791 ACTION_REBOOT);
3792 if (termination_action && arg_force >= 2)
3793 return halt_now(a);
3794
3795 if (arg_force >= 1 &&
3796 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3797 r = trivial_method(argc, argv, userdata);
3798 else {
3799 /* First try logind, to allow authentication with polkit */
3800 if (IN_SET(a,
3801 ACTION_POWEROFF,
3802 ACTION_REBOOT,
3803 ACTION_HALT,
3804 ACTION_SUSPEND,
3805 ACTION_HIBERNATE,
3806 ACTION_HYBRID_SLEEP,
3807 ACTION_SUSPEND_THEN_HIBERNATE)) {
3808
3809 r = logind_reboot(a);
3810 if (r >= 0)
3811 return r;
3812 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3813 /* requested operation is not supported or already in progress */
3814 return r;
3815
3816 /* On all other errors, try low-level operation. In order to minimize the difference between
3817 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3818 * logind's shutdown operations are always non-blocking. */
3819
3820 arg_no_block = true;
3821
3822 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3823 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3824 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3825 arg_no_block = true;
3826
3827 r = start_unit(argc, argv, userdata);
3828 }
3829
3830 if (termination_action && arg_force < 2 &&
3831 IN_SET(r, -ENOENT, -ETIMEDOUT))
3832 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3833
3834 return r;
3835 }
3836
3837 static int start_system_special(int argc, char *argv[], void *userdata) {
3838 /* Like start_special above, but raises an error when running in user mode */
3839
3840 if (arg_scope != UNIT_FILE_SYSTEM)
3841 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3842 "Bad action for %s mode.",
3843 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3844
3845 return start_special(argc, argv, userdata);
3846 }
3847
3848 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3849 _cleanup_strv_free_ char **names = NULL;
3850 UnitActiveState active_state;
3851 sd_bus *bus;
3852 char **name;
3853 int r, i;
3854 bool found = false;
3855
3856 r = acquire_bus(BUS_MANAGER, &bus);
3857 if (r < 0)
3858 return r;
3859
3860 r = expand_names(bus, args, NULL, &names);
3861 if (r < 0)
3862 return log_error_errno(r, "Failed to expand names: %m");
3863
3864 STRV_FOREACH(name, names) {
3865 r = get_state_one_unit(bus, *name, &active_state);
3866 if (r < 0)
3867 return r;
3868
3869 if (!arg_quiet)
3870 puts(unit_active_state_to_string(active_state));
3871
3872 for (i = 0; i < nb_states; ++i)
3873 if (good_states[i] == active_state)
3874 found = true;
3875 }
3876
3877 /* use the given return code for the case that we won't find
3878 * any unit which matches the list */
3879 return found ? 0 : code;
3880 }
3881
3882 static int check_unit_active(int argc, char *argv[], void *userdata) {
3883 static const UnitActiveState states[] = {
3884 UNIT_ACTIVE,
3885 UNIT_RELOADING,
3886 };
3887
3888 /* According to LSB: 3, "program is not running" */
3889 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3890 }
3891
3892 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3893 static const UnitActiveState states[] = {
3894 UNIT_FAILED,
3895 };
3896
3897 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3898 }
3899
3900 static int kill_unit(int argc, char *argv[], void *userdata) {
3901 _cleanup_strv_free_ char **names = NULL;
3902 char *kill_who = NULL, **name;
3903 sd_bus *bus;
3904 int r, q;
3905
3906 r = acquire_bus(BUS_MANAGER, &bus);
3907 if (r < 0)
3908 return r;
3909
3910 polkit_agent_open_maybe();
3911
3912 if (!arg_kill_who)
3913 arg_kill_who = "all";
3914
3915 /* --fail was specified */
3916 if (streq(arg_job_mode, "fail"))
3917 kill_who = strjoina(arg_kill_who, "-fail");
3918
3919 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3920 if (r < 0)
3921 return log_error_errno(r, "Failed to expand names: %m");
3922
3923 STRV_FOREACH(name, names) {
3924 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3925
3926 q = sd_bus_call_method(
3927 bus,
3928 "org.freedesktop.systemd1",
3929 "/org/freedesktop/systemd1",
3930 "org.freedesktop.systemd1.Manager",
3931 "KillUnit",
3932 &error,
3933 NULL,
3934 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3935 if (q < 0) {
3936 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3937 if (r == 0)
3938 r = q;
3939 }
3940 }
3941
3942 return r;
3943 }
3944
3945 typedef struct ExecStatusInfo {
3946 char *name;
3947
3948 char *path;
3949 char **argv;
3950
3951 bool ignore;
3952
3953 usec_t start_timestamp;
3954 usec_t exit_timestamp;
3955 pid_t pid;
3956 int code;
3957 int status;
3958
3959 ExecCommandFlags flags;
3960
3961 LIST_FIELDS(struct ExecStatusInfo, exec);
3962 } ExecStatusInfo;
3963
3964 static void exec_status_info_free(ExecStatusInfo *i) {
3965 assert(i);
3966
3967 free(i->name);
3968 free(i->path);
3969 strv_free(i->argv);
3970 free(i);
3971 }
3972
3973 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3974 _cleanup_strv_free_ char **ex_opts = NULL;
3975 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3976 const char *path;
3977 uint32_t pid;
3978 int32_t code, status;
3979 int ignore, r;
3980
3981 assert(m);
3982 assert(i);
3983
3984 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3985 if (r < 0)
3986 return bus_log_parse_error(r);
3987 else if (r == 0)
3988 return 0;
3989
3990 r = sd_bus_message_read(m, "s", &path);
3991 if (r < 0)
3992 return bus_log_parse_error(r);
3993
3994 i->path = strdup(path);
3995 if (!i->path)
3996 return log_oom();
3997
3998 r = sd_bus_message_read_strv(m, &i->argv);
3999 if (r < 0)
4000 return bus_log_parse_error(r);
4001
4002 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
4003 if (r < 0)
4004 return bus_log_parse_error(r);
4005
4006 r = sd_bus_message_read(m,
4007 "ttttuii",
4008 &start_timestamp, &start_timestamp_monotonic,
4009 &exit_timestamp, &exit_timestamp_monotonic,
4010 &pid,
4011 &code, &status);
4012 if (r < 0)
4013 return bus_log_parse_error(r);
4014
4015 if (is_ex_prop) {
4016 r = exec_command_flags_from_strv(ex_opts, &i->flags);
4017 if (r < 0)
4018 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
4019
4020 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
4021 } else
4022 i->ignore = ignore;
4023
4024 i->start_timestamp = (usec_t) start_timestamp;
4025 i->exit_timestamp = (usec_t) exit_timestamp;
4026 i->pid = (pid_t) pid;
4027 i->code = code;
4028 i->status = status;
4029
4030 r = sd_bus_message_exit_container(m);
4031 if (r < 0)
4032 return bus_log_parse_error(r);
4033
4034 return 1;
4035 }
4036
4037 typedef struct UnitCondition {
4038 char *name;
4039 char *param;
4040 bool trigger;
4041 bool negate;
4042 int tristate;
4043
4044 LIST_FIELDS(struct UnitCondition, conditions);
4045 } UnitCondition;
4046
4047 static void unit_condition_free(UnitCondition *c) {
4048 if (!c)
4049 return;
4050
4051 free(c->name);
4052 free(c->param);
4053 free(c);
4054 }
4055
4056 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4057
4058 typedef struct UnitStatusInfo {
4059 const char *id;
4060 const char *load_state;
4061 const char *active_state;
4062 const char *sub_state;
4063 const char *unit_file_state;
4064 const char *unit_file_preset;
4065
4066 const char *description;
4067 const char *following;
4068
4069 char **documentation;
4070
4071 const char *fragment_path;
4072 const char *source_path;
4073 const char *control_group;
4074
4075 char **dropin_paths;
4076
4077 const char *load_error;
4078 const char *result;
4079
4080 usec_t inactive_exit_timestamp;
4081 usec_t inactive_exit_timestamp_monotonic;
4082 usec_t active_enter_timestamp;
4083 usec_t active_exit_timestamp;
4084 usec_t inactive_enter_timestamp;
4085
4086 bool need_daemon_reload;
4087 bool transient;
4088
4089 /* Service */
4090 pid_t main_pid;
4091 pid_t control_pid;
4092 const char *status_text;
4093 const char *pid_file;
4094 bool running:1;
4095 int status_errno;
4096
4097 usec_t start_timestamp;
4098 usec_t exit_timestamp;
4099
4100 int exit_code, exit_status;
4101
4102 usec_t condition_timestamp;
4103 bool condition_result;
4104 LIST_HEAD(UnitCondition, conditions);
4105
4106 usec_t assert_timestamp;
4107 bool assert_result;
4108 bool failed_assert_trigger;
4109 bool failed_assert_negate;
4110 const char *failed_assert;
4111 const char *failed_assert_parameter;
4112 usec_t next_elapse_real;
4113 usec_t next_elapse_monotonic;
4114
4115 /* Socket */
4116 unsigned n_accepted;
4117 unsigned n_connections;
4118 unsigned n_refused;
4119 bool accept;
4120
4121 /* Pairs of type, path */
4122 char **listen;
4123
4124 /* Device */
4125 const char *sysfs_path;
4126
4127 /* Mount, Automount */
4128 const char *where;
4129
4130 /* Swap */
4131 const char *what;
4132
4133 /* CGroup */
4134 uint64_t memory_current;
4135 uint64_t memory_min;
4136 uint64_t memory_low;
4137 uint64_t memory_high;
4138 uint64_t memory_max;
4139 uint64_t memory_swap_max;
4140 uint64_t memory_limit;
4141 uint64_t cpu_usage_nsec;
4142 uint64_t tasks_current;
4143 uint64_t tasks_max;
4144 uint64_t ip_ingress_bytes;
4145 uint64_t ip_egress_bytes;
4146 uint64_t io_read_bytes;
4147 uint64_t io_write_bytes;
4148
4149 uint64_t default_memory_min;
4150 uint64_t default_memory_low;
4151
4152 LIST_HEAD(ExecStatusInfo, exec);
4153 } UnitStatusInfo;
4154
4155 static void unit_status_info_free(UnitStatusInfo *info) {
4156 ExecStatusInfo *p;
4157 UnitCondition *c;
4158
4159 strv_free(info->documentation);
4160 strv_free(info->dropin_paths);
4161 strv_free(info->listen);
4162
4163 while ((c = info->conditions)) {
4164 LIST_REMOVE(conditions, info->conditions, c);
4165 unit_condition_free(c);
4166 }
4167
4168 while ((p = info->exec)) {
4169 LIST_REMOVE(exec, info->exec, p);
4170 exec_status_info_free(p);
4171 }
4172 }
4173
4174 static void print_status_info(
4175 sd_bus *bus,
4176 UnitStatusInfo *i,
4177 bool *ellipsized) {
4178
4179 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4180 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4181 _cleanup_free_ char *formatted_path = NULL;
4182 ExecStatusInfo *p;
4183 usec_t timestamp;
4184 const char *path;
4185 char **t, **t2;
4186 int r;
4187
4188 assert(i);
4189
4190 /* This shows pretty information about a unit. See
4191 * print_property() for a low-level property printer */
4192
4193 if (streq_ptr(i->active_state, "failed")) {
4194 active_on = ansi_highlight_red();
4195 active_off = ansi_normal();
4196 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4197 active_on = ansi_highlight_green();
4198 active_off = ansi_normal();
4199 } else
4200 active_on = active_off = "";
4201
4202 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4203
4204 if (i->description && !streq_ptr(i->id, i->description))
4205 printf(" - %s", i->description);
4206
4207 printf("\n");
4208
4209 if (i->following)
4210 printf(" Follow: unit currently follows state of %s\n", i->following);
4211
4212 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4213 on = ansi_highlight_red();
4214 off = ansi_normal();
4215 } else
4216 on = off = "";
4217
4218 path = i->source_path ?: i->fragment_path;
4219 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4220 path = formatted_path;
4221
4222 if (!isempty(i->load_error))
4223 printf(" Loaded: %s%s%s (Reason: %s)\n",
4224 on, strna(i->load_state), off, i->load_error);
4225 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4226 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4227 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4228 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4229 else if (path && !isempty(i->unit_file_state))
4230 printf(" Loaded: %s%s%s (%s; %s)\n",
4231 on, strna(i->load_state), off, path, i->unit_file_state);
4232 else if (path)
4233 printf(" Loaded: %s%s%s (%s)\n",
4234 on, strna(i->load_state), off, path);
4235 else
4236 printf(" Loaded: %s%s%s\n",
4237 on, strna(i->load_state), off);
4238
4239 if (i->transient)
4240 printf("Transient: yes\n");
4241
4242 if (!strv_isempty(i->dropin_paths)) {
4243 _cleanup_free_ char *dir = NULL;
4244 bool last = false;
4245 char ** dropin;
4246
4247 STRV_FOREACH(dropin, i->dropin_paths) {
4248 _cleanup_free_ char *dropin_formatted = NULL;
4249 const char *df;
4250
4251 if (!dir || last) {
4252 printf(dir ? " " :
4253 " Drop-In: ");
4254
4255 dir = mfree(dir);
4256
4257 dir = dirname_malloc(*dropin);
4258 if (!dir) {
4259 log_oom();
4260 return;
4261 }
4262
4263 printf("%s\n"
4264 " %s", dir,
4265 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4266 }
4267
4268 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4269
4270 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4271 df = dropin_formatted;
4272 else
4273 df = *dropin;
4274
4275 printf("%s%s", df, last ? "\n" : ", ");
4276 }
4277 }
4278
4279 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4280 if (ss)
4281 printf(" Active: %s%s (%s)%s",
4282 active_on, strna(i->active_state), ss, active_off);
4283 else
4284 printf(" Active: %s%s%s",
4285 active_on, strna(i->active_state), active_off);
4286
4287 if (!isempty(i->result) && !streq(i->result, "success"))
4288 printf(" (Result: %s)", i->result);
4289
4290 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4291 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4292 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4293 i->active_exit_timestamp;
4294
4295 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4296 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4297
4298 if (s1)
4299 printf(" since %s; %s\n", s2, s1);
4300 else if (s2)
4301 printf(" since %s\n", s2);
4302 else
4303 printf("\n");
4304
4305 if (endswith(i->id, ".timer")) {
4306 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4307 tstamp2[FORMAT_TIMESTAMP_MAX];
4308 const char *next_rel_time, *next_time;
4309 dual_timestamp nw, next = {i->next_elapse_real,
4310 i->next_elapse_monotonic};
4311 usec_t next_elapse;
4312
4313 printf(" Trigger: ");
4314
4315 dual_timestamp_get(&nw);
4316 next_elapse = calc_next_elapse(&nw, &next);
4317 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4318 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4319
4320 if (next_time && next_rel_time)
4321 printf("%s; %s\n", next_time, next_rel_time);
4322 else
4323 printf("n/a\n");
4324 }
4325
4326 if (!i->condition_result && i->condition_timestamp > 0) {
4327 UnitCondition *c;
4328 int n = 0;
4329
4330 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4331 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4332
4333 printf("Condition: start %scondition failed%s at %s%s%s\n",
4334 ansi_highlight_yellow(), ansi_normal(),
4335 s2, s1 ? "; " : "", strempty(s1));
4336
4337 LIST_FOREACH(conditions, c, i->conditions)
4338 if (c->tristate < 0)
4339 n++;
4340
4341 LIST_FOREACH(conditions, c, i->conditions)
4342 if (c->tristate < 0)
4343 printf(" %s %s=%s%s%s was not met\n",
4344 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4345 c->name,
4346 c->trigger ? "|" : "",
4347 c->negate ? "!" : "",
4348 c->param);
4349 }
4350
4351 if (!i->assert_result && i->assert_timestamp > 0) {
4352 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4353 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4354
4355 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4356 ansi_highlight_red(), ansi_normal(),
4357 s2, s1 ? "; " : "", strempty(s1));
4358 if (i->failed_assert_trigger)
4359 printf(" none of the trigger assertions were met\n");
4360 else if (i->failed_assert)
4361 printf(" %s=%s%s was not met\n",
4362 i->failed_assert,
4363 i->failed_assert_negate ? "!" : "",
4364 i->failed_assert_parameter);
4365 }
4366
4367 if (i->sysfs_path)
4368 printf(" Device: %s\n", i->sysfs_path);
4369 if (i->where)
4370 printf(" Where: %s\n", i->where);
4371 if (i->what)
4372 printf(" What: %s\n", i->what);
4373
4374 STRV_FOREACH(t, i->documentation) {
4375 _cleanup_free_ char *formatted = NULL;
4376 const char *q;
4377
4378 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4379 q = formatted;
4380 else
4381 q = *t;
4382
4383 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4384 }
4385
4386 STRV_FOREACH_PAIR(t, t2, i->listen)
4387 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4388
4389 if (i->accept) {
4390 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4391 if (i->n_refused)
4392 printf(" Refused: %u", i->n_refused);
4393 printf("\n");
4394 }
4395
4396 LIST_FOREACH(exec, p, i->exec) {
4397 _cleanup_free_ char *argv = NULL;
4398 bool good;
4399
4400 /* Only show exited processes here */
4401 if (p->code == 0)
4402 continue;
4403
4404 argv = strv_join(p->argv, " ");
4405 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4406
4407 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4408 if (!good) {
4409 on = ansi_highlight_red();
4410 off = ansi_normal();
4411 } else
4412 on = off = "";
4413
4414 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4415
4416 if (p->code == CLD_EXITED) {
4417 const char *c;
4418
4419 printf("status=%i", p->status);
4420
4421 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4422 if (c)
4423 printf("/%s", c);
4424
4425 } else
4426 printf("signal=%s", signal_to_string(p->status));
4427
4428 printf(")%s\n", off);
4429
4430 if (i->main_pid == p->pid &&
4431 i->start_timestamp == p->start_timestamp &&
4432 i->exit_timestamp == p->start_timestamp)
4433 /* Let's not show this twice */
4434 i->main_pid = 0;
4435
4436 if (p->pid == i->control_pid)
4437 i->control_pid = 0;
4438 }
4439
4440 if (i->main_pid > 0 || i->control_pid > 0) {
4441 if (i->main_pid > 0) {
4442 printf(" Main PID: "PID_FMT, i->main_pid);
4443
4444 if (i->running) {
4445
4446 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4447 _cleanup_free_ char *comm = NULL;
4448
4449 (void) get_process_comm(i->main_pid, &comm);
4450 if (comm)
4451 printf(" (%s)", comm);
4452 }
4453
4454 } else if (i->exit_code > 0) {
4455 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4456
4457 if (i->exit_code == CLD_EXITED) {
4458 const char *c;
4459
4460 printf("status=%i", i->exit_status);
4461
4462 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4463 if (c)
4464 printf("/%s", c);
4465
4466 } else
4467 printf("signal=%s", signal_to_string(i->exit_status));
4468 printf(")");
4469 }
4470 }
4471
4472 if (i->control_pid > 0) {
4473 _cleanup_free_ char *c = NULL;
4474
4475 if (i->main_pid > 0)
4476 fputs("; Control PID: ", stdout);
4477 else
4478 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4479
4480 printf(PID_FMT, i->control_pid);
4481
4482 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4483 (void) get_process_comm(i->control_pid, &c);
4484 if (c)
4485 printf(" (%s)", c);
4486 }
4487 }
4488
4489 printf("\n");
4490 }
4491
4492 if (i->status_text)
4493 printf(" Status: \"%s\"\n", i->status_text);
4494 if (i->status_errno > 0)
4495 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4496
4497 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4498 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4499
4500 printf(" IP: %s in, %s out\n",
4501 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4502 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4503 }
4504
4505 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4506 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4507
4508 printf(" IO: %s read, %s written\n",
4509 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4510 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4511 }
4512
4513 if (i->tasks_current != (uint64_t) -1) {
4514 printf(" Tasks: %" PRIu64, i->tasks_current);
4515
4516 if (i->tasks_max != (uint64_t) -1)
4517 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4518 else
4519 printf("\n");
4520 }
4521
4522 if (i->memory_current != (uint64_t) -1) {
4523 char buf[FORMAT_BYTES_MAX];
4524
4525 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4526
4527 if (i->memory_min > 0 || i->memory_low > 0 ||
4528 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4529 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4530 i->memory_limit != CGROUP_LIMIT_MAX) {
4531 const char *prefix = "";
4532
4533 printf(" (");
4534 if (i->memory_min > 0) {
4535 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4536 prefix = " ";
4537 }
4538 if (i->memory_low > 0) {
4539 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4540 prefix = " ";
4541 }
4542 if (i->memory_high != CGROUP_LIMIT_MAX) {
4543 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4544 prefix = " ";
4545 }
4546 if (i->memory_max != CGROUP_LIMIT_MAX) {
4547 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4548 prefix = " ";
4549 }
4550 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4551 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4552 prefix = " ";
4553 }
4554 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4555 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4556 prefix = " ";
4557 }
4558 printf(")");
4559 }
4560 printf("\n");
4561 }
4562
4563 if (i->cpu_usage_nsec != (uint64_t) -1) {
4564 char buf[FORMAT_TIMESPAN_MAX];
4565 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4566 }
4567
4568 if (i->control_group) {
4569 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4570 static const char prefix[] = " ";
4571 unsigned c;
4572
4573 printf(" CGroup: %s\n", i->control_group);
4574
4575 c = columns();
4576 if (c > sizeof(prefix) - 1)
4577 c -= sizeof(prefix) - 1;
4578 else
4579 c = 0;
4580
4581 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4582 if (r == -EBADR) {
4583 unsigned k = 0;
4584 pid_t extra[2];
4585
4586 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4587
4588 if (i->main_pid > 0)
4589 extra[k++] = i->main_pid;
4590
4591 if (i->control_pid > 0)
4592 extra[k++] = i->control_pid;
4593
4594 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4595 } else if (r < 0)
4596 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4597 }
4598
4599 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4600 show_journal_by_unit(
4601 stdout,
4602 i->id,
4603 arg_output,
4604 0,
4605 i->inactive_exit_timestamp_monotonic,
4606 arg_lines,
4607 getuid(),
4608 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4609 SD_JOURNAL_LOCAL_ONLY,
4610 arg_scope == UNIT_FILE_SYSTEM,
4611 ellipsized);
4612
4613 if (i->need_daemon_reload)
4614 warn_unit_file_changed(i->id);
4615 }
4616
4617 static void show_unit_help(UnitStatusInfo *i) {
4618 char **p;
4619
4620 assert(i);
4621
4622 if (!i->documentation) {
4623 log_info("Documentation for %s not known.", i->id);
4624 return;
4625 }
4626
4627 STRV_FOREACH(p, i->documentation)
4628 if (startswith(*p, "man:"))
4629 show_man_page(*p + 4, false);
4630 else
4631 log_info("Can't show: %s", *p);
4632 }
4633
4634 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4635 UnitStatusInfo *i = userdata;
4636 uint32_t u;
4637 int r;
4638
4639 r = sd_bus_message_read(m, "u", &u);
4640 if (r < 0)
4641 return r;
4642
4643 i->main_pid = (pid_t) u;
4644 i->running = u > 0;
4645
4646 return 0;
4647 }
4648
4649 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4650 const char *message, **p = userdata;
4651 int r;
4652
4653 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4654 if (r < 0)
4655 return r;
4656
4657 if (!isempty(message))
4658 *p = message;
4659
4660 return 0;
4661 }
4662
4663 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4664 const char *type, *path;
4665 char ***p = userdata;
4666 int r;
4667
4668 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4669 if (r < 0)
4670 return r;
4671
4672 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4673
4674 r = strv_extend(p, type);
4675 if (r < 0)
4676 return r;
4677
4678 r = strv_extend(p, path);
4679 if (r < 0)
4680 return r;
4681 }
4682 if (r < 0)
4683 return r;
4684
4685 r = sd_bus_message_exit_container(m);
4686 if (r < 0)
4687 return r;
4688
4689 return 0;
4690 }
4691
4692 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4693 UnitStatusInfo *i = userdata;
4694 const char *cond, *param;
4695 int trigger, negate;
4696 int32_t state;
4697 int r;
4698
4699 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4700 if (r < 0)
4701 return r;
4702
4703 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4704 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4705
4706 c = new(UnitCondition, 1);
4707 if (!c)
4708 return -ENOMEM;
4709
4710 *c = (UnitCondition) {
4711 .name = strdup(cond),
4712 .param = strdup(param),
4713 .trigger = trigger,
4714 .negate = negate,
4715 .tristate = state,
4716 };
4717
4718 if (!c->name || !c->param)
4719 return -ENOMEM;
4720
4721
4722 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4723 }
4724 if (r < 0)
4725 return r;
4726
4727 r = sd_bus_message_exit_container(m);
4728 if (r < 0)
4729 return r;
4730
4731 return 0;
4732 }
4733
4734 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4735 UnitStatusInfo *i = userdata;
4736 const char *cond, *param;
4737 int trigger, negate;
4738 int32_t state;
4739 int r;
4740
4741 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4742 if (r < 0)
4743 return r;
4744
4745 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4746 if (state < 0 && (!trigger || !i->failed_assert)) {
4747 i->failed_assert = cond;
4748 i->failed_assert_trigger = trigger;
4749 i->failed_assert_negate = negate;
4750 i->failed_assert_parameter = param;
4751 }
4752 }
4753 if (r < 0)
4754 return r;
4755
4756 r = sd_bus_message_exit_container(m);
4757 if (r < 0)
4758 return r;
4759
4760 return 0;
4761 }
4762
4763 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4764 _cleanup_free_ ExecStatusInfo *info = NULL;
4765 ExecStatusInfo *last;
4766 UnitStatusInfo *i = userdata;
4767 bool is_ex_prop = endswith(member, "Ex");
4768 int r;
4769
4770 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4771 if (r < 0)
4772 return r;
4773
4774 info = new0(ExecStatusInfo, 1);
4775 if (!info)
4776 return -ENOMEM;
4777
4778 LIST_FIND_TAIL(exec, i->exec, last);
4779
4780 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4781
4782 info->name = strdup(member);
4783 if (!info->name)
4784 return -ENOMEM;
4785
4786 LIST_INSERT_AFTER(exec, i->exec, last, info);
4787 last = info;
4788
4789 info = new0(ExecStatusInfo, 1);
4790 if (!info)
4791 return -ENOMEM;
4792 }
4793 if (r < 0)
4794 return r;
4795
4796 r = sd_bus_message_exit_container(m);
4797 if (r < 0)
4798 return r;
4799
4800 return 0;
4801 }
4802
4803 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4804 char bus_type;
4805 const char *contents;
4806 int r;
4807
4808 assert(name);
4809 assert(m);
4810
4811 /* This is a low-level property printer, see
4812 * print_status_info() for the nicer output */
4813
4814 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4815 if (r < 0)
4816 return r;
4817
4818 switch (bus_type) {
4819
4820 case SD_BUS_TYPE_INT32:
4821 if (endswith(name, "ActionExitStatus")) {
4822 int32_t i;
4823
4824 r = sd_bus_message_read_basic(m, bus_type, &i);
4825 if (r < 0)
4826 return r;
4827
4828 if (i >= 0 && i <= 255)
4829 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4830 else if (all)
4831 bus_print_property_value(name, expected_value, value, "[not set]");
4832
4833 return 1;
4834 }
4835 break;
4836
4837 case SD_BUS_TYPE_STRUCT:
4838
4839 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4840 uint32_t u;
4841
4842 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4843 if (r < 0)
4844 return bus_log_parse_error(r);
4845
4846 if (u > 0)
4847 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4848 else if (all)
4849 bus_print_property_value(name, expected_value, value, "");
4850
4851 return 1;
4852
4853 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4854 const char *s;
4855
4856 r = sd_bus_message_read(m, "(so)", &s, NULL);
4857 if (r < 0)
4858 return bus_log_parse_error(r);
4859
4860 if (all || !isempty(s))
4861 bus_print_property_value(name, expected_value, value, s);
4862
4863 return 1;
4864
4865 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4866 const char *a = NULL, *b = NULL;
4867
4868 r = sd_bus_message_read(m, "(ss)", &a, &b);
4869 if (r < 0)
4870 return bus_log_parse_error(r);
4871
4872 if (!isempty(a) || !isempty(b))
4873 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4874 else if (all)
4875 bus_print_property_value(name, expected_value, value, "");
4876
4877 return 1;
4878
4879 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4880 _cleanup_strv_free_ char **l = NULL;
4881 int whitelist;
4882
4883 r = sd_bus_message_enter_container(m, 'r', "bas");
4884 if (r < 0)
4885 return bus_log_parse_error(r);
4886
4887 r = sd_bus_message_read(m, "b", &whitelist);
4888 if (r < 0)
4889 return bus_log_parse_error(r);
4890
4891 r = sd_bus_message_read_strv(m, &l);
4892 if (r < 0)
4893 return bus_log_parse_error(r);
4894
4895 r = sd_bus_message_exit_container(m);
4896 if (r < 0)
4897 return bus_log_parse_error(r);
4898
4899 if (all || whitelist || !strv_isempty(l)) {
4900 bool first = true;
4901 char **i;
4902
4903 if (!value) {
4904 fputs(name, stdout);
4905 fputc('=', stdout);
4906 }
4907
4908 if (!whitelist)
4909 fputc('~', stdout);
4910
4911 STRV_FOREACH(i, l) {
4912 if (first)
4913 first = false;
4914 else
4915 fputc(' ', stdout);
4916
4917 fputs(*i, stdout);
4918 }
4919 fputc('\n', stdout);
4920 }
4921
4922 return 1;
4923
4924 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4925 int ignore;
4926 const char *s;
4927
4928 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4929 if (r < 0)
4930 return bus_log_parse_error(r);
4931
4932 if (!isempty(s))
4933 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4934 else if (all)
4935 bus_print_property_value(name, expected_value, value, "");
4936
4937 return 1;
4938
4939 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4940 const int32_t *status, *signal;
4941 size_t sz_status, sz_signal, i;
4942
4943 r = sd_bus_message_enter_container(m, 'r', "aiai");
4944 if (r < 0)
4945 return bus_log_parse_error(r);
4946
4947 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &sz_status);
4948 if (r < 0)
4949 return bus_log_parse_error(r);
4950
4951 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &sz_signal);
4952 if (r < 0)
4953 return bus_log_parse_error(r);
4954
4955 r = sd_bus_message_exit_container(m);
4956 if (r < 0)
4957 return bus_log_parse_error(r);
4958
4959 sz_status /= sizeof(int32_t);
4960 sz_signal /= sizeof(int32_t);
4961
4962 if (all || sz_status > 0 || sz_signal > 0) {
4963 bool first = true;
4964
4965 if (!value) {
4966 fputs(name, stdout);
4967 fputc('=', stdout);
4968 }
4969
4970 for (i = 0; i < sz_status; i++) {
4971 if (status[i] < 0 || status[i] > 255)
4972 continue;
4973
4974 if (first)
4975 first = false;
4976 else
4977 fputc(' ', stdout);
4978
4979 printf("%"PRIi32, status[i]);
4980 }
4981
4982 for (i = 0; i < sz_signal; i++) {
4983 const char *str;
4984
4985 str = signal_to_string((int) signal[i]);
4986 if (!str)
4987 continue;
4988
4989 if (first)
4990 first = false;
4991 else
4992 fputc(' ', stdout);
4993
4994 fputs(str, stdout);
4995 }
4996
4997 fputc('\n', stdout);
4998 }
4999 return 1;
5000 }
5001
5002 break;
5003
5004 case SD_BUS_TYPE_ARRAY:
5005
5006 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
5007 const char *path;
5008 int ignore;
5009
5010 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
5011 if (r < 0)
5012 return bus_log_parse_error(r);
5013
5014 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
5015 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
5016
5017 if (r < 0)
5018 return bus_log_parse_error(r);
5019
5020 r = sd_bus_message_exit_container(m);
5021 if (r < 0)
5022 return bus_log_parse_error(r);
5023
5024 return 1;
5025
5026 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
5027 const char *type, *path;
5028
5029 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5030 if (r < 0)
5031 return bus_log_parse_error(r);
5032
5033 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5034 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5035 if (r < 0)
5036 return bus_log_parse_error(r);
5037
5038 r = sd_bus_message_exit_container(m);
5039 if (r < 0)
5040 return bus_log_parse_error(r);
5041
5042 return 1;
5043
5044 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5045 const char *type, *path;
5046
5047 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5048 if (r < 0)
5049 return bus_log_parse_error(r);
5050
5051 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5052 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5053 if (r < 0)
5054 return bus_log_parse_error(r);
5055
5056 r = sd_bus_message_exit_container(m);
5057 if (r < 0)
5058 return bus_log_parse_error(r);
5059
5060 return 1;
5061
5062 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5063 const char *base;
5064 uint64_t v, next_elapse;
5065
5066 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5067 if (r < 0)
5068 return bus_log_parse_error(r);
5069
5070 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5071 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
5072
5073 bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
5074 format_timespan(timespan1, sizeof(timespan1), v, 0),
5075 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
5076 }
5077 if (r < 0)
5078 return bus_log_parse_error(r);
5079
5080 r = sd_bus_message_exit_container(m);
5081 if (r < 0)
5082 return bus_log_parse_error(r);
5083
5084 return 1;
5085
5086 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5087 const char *base, *spec;
5088 uint64_t next_elapse;
5089
5090 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5091 if (r < 0)
5092 return bus_log_parse_error(r);
5093
5094 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5095 char timestamp[FORMAT_TIMESTAMP_MAX];
5096
5097 bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
5098 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
5099 }
5100 if (r < 0)
5101 return bus_log_parse_error(r);
5102
5103 r = sd_bus_message_exit_container(m);
5104 if (r < 0)
5105 return bus_log_parse_error(r);
5106
5107 return 1;
5108
5109 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5110 ExecStatusInfo info = {};
5111 bool is_ex_prop = endswith(name, "Ex");
5112
5113 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5114 if (r < 0)
5115 return bus_log_parse_error(r);
5116
5117 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5118 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5119 _cleanup_strv_free_ char **optv = NULL;
5120 _cleanup_free_ char *tt, *o = NULL;
5121
5122 tt = strv_join(info.argv, " ");
5123
5124 if (is_ex_prop) {
5125 r = exec_command_flags_to_strv(info.flags, &optv);
5126 if (r < 0)
5127 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5128
5129 o = strv_join(optv, " ");
5130
5131 bus_print_property_valuef(name, expected_value, value,
5132 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5133 strna(info.path),
5134 strna(tt),
5135 strna(o),
5136 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5137 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5138 info.pid,
5139 sigchld_code_to_string(info.code),
5140 info.status,
5141 info.code == CLD_EXITED ? "" : "/",
5142 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5143 } else
5144 bus_print_property_valuef(name, expected_value, value,
5145 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5146 strna(info.path),
5147 strna(tt),
5148 yes_no(info.ignore),
5149 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5150 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5151 info.pid,
5152 sigchld_code_to_string(info.code),
5153 info.status,
5154 info.code == CLD_EXITED ? "" : "/",
5155 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5156
5157 free(info.path);
5158 strv_free(info.argv);
5159 zero(info);
5160 }
5161
5162 r = sd_bus_message_exit_container(m);
5163 if (r < 0)
5164 return bus_log_parse_error(r);
5165
5166 return 1;
5167
5168 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5169 const char *path, *rwm;
5170
5171 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5172 if (r < 0)
5173 return bus_log_parse_error(r);
5174
5175 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5176 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5177 if (r < 0)
5178 return bus_log_parse_error(r);
5179
5180 r = sd_bus_message_exit_container(m);
5181 if (r < 0)
5182 return bus_log_parse_error(r);
5183
5184 return 1;
5185
5186 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5187 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5188 const char *path;
5189 uint64_t weight;
5190
5191 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5192 if (r < 0)
5193 return bus_log_parse_error(r);
5194
5195 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5196 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5197 if (r < 0)
5198 return bus_log_parse_error(r);
5199
5200 r = sd_bus_message_exit_container(m);
5201 if (r < 0)
5202 return bus_log_parse_error(r);
5203
5204 return 1;
5205
5206 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5207 (cgroup_io_limit_type_from_string(name) >= 0 ||
5208 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5209 const char *path;
5210 uint64_t bandwidth;
5211
5212 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5213 if (r < 0)
5214 return bus_log_parse_error(r);
5215
5216 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5217 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5218 if (r < 0)
5219 return bus_log_parse_error(r);
5220
5221 r = sd_bus_message_exit_container(m);
5222 if (r < 0)
5223 return bus_log_parse_error(r);
5224
5225 return 1;
5226
5227 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5228 streq(name, "IODeviceLatencyTargetUSec")) {
5229 char ts[FORMAT_TIMESPAN_MAX];
5230 const char *path;
5231 uint64_t target;
5232
5233 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5234 if (r < 0)
5235 return bus_log_parse_error(r);
5236
5237 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5238 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5239 format_timespan(ts, sizeof(ts), target, 1));
5240 if (r < 0)
5241 return bus_log_parse_error(r);
5242
5243 r = sd_bus_message_exit_container(m);
5244 if (r < 0)
5245 return bus_log_parse_error(r);
5246
5247 return 1;
5248
5249 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5250 _cleanup_free_ char *h = NULL;
5251 const void *p;
5252 size_t sz;
5253 ssize_t n;
5254
5255 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5256 if (r < 0)
5257 return bus_log_parse_error(r);
5258
5259 n = base64mem(p, sz, &h);
5260 if (n < 0)
5261 return log_oom();
5262
5263 bus_print_property_value(name, expected_value, value, h);
5264
5265 return 1;
5266
5267 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5268 _cleanup_free_ char *addresses = NULL;
5269
5270 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5271 if (r < 0)
5272 return bus_log_parse_error(r);
5273
5274 for (;;) {
5275 _cleanup_free_ char *str = NULL;
5276 uint32_t prefixlen;
5277 int32_t family;
5278 const void *ap;
5279 size_t an;
5280
5281 r = sd_bus_message_enter_container(m, 'r', "iayu");
5282 if (r < 0)
5283 return bus_log_parse_error(r);
5284 if (r == 0)
5285 break;
5286
5287 r = sd_bus_message_read(m, "i", &family);
5288 if (r < 0)
5289 return bus_log_parse_error(r);
5290
5291 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5292 if (r < 0)
5293 return bus_log_parse_error(r);
5294
5295 r = sd_bus_message_read(m, "u", &prefixlen);
5296 if (r < 0)
5297 return bus_log_parse_error(r);
5298
5299 r = sd_bus_message_exit_container(m);
5300 if (r < 0)
5301 return bus_log_parse_error(r);
5302
5303 if (!IN_SET(family, AF_INET, AF_INET6))
5304 continue;
5305
5306 if (an != FAMILY_ADDRESS_SIZE(family))
5307 continue;
5308
5309 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5310 continue;
5311
5312 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5313 continue;
5314
5315 if (!strextend_with_separator(&addresses, " ", str, NULL))
5316 return log_oom();
5317 }
5318
5319 r = sd_bus_message_exit_container(m);
5320 if (r < 0)
5321 return bus_log_parse_error(r);
5322
5323 if (all || !isempty(addresses))
5324 bus_print_property_value(name, expected_value, value, strempty(addresses));
5325
5326 return 1;
5327
5328 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5329 _cleanup_free_ char *paths = NULL;
5330 const char *source, *dest;
5331 int ignore_enoent;
5332 uint64_t rbind;
5333
5334 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5335 if (r < 0)
5336 return bus_log_parse_error(r);
5337
5338 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5339 _cleanup_free_ char *str = NULL;
5340
5341 if (isempty(source))
5342 continue;
5343
5344 if (asprintf(&str, "%s%s%s%s%s",
5345 ignore_enoent ? "-" : "",
5346 source,
5347 isempty(dest) ? "" : ":",
5348 strempty(dest),
5349 rbind == MS_REC ? ":rbind" : "") < 0)
5350 return log_oom();
5351
5352 if (!strextend_with_separator(&paths, " ", str, NULL))
5353 return log_oom();
5354 }
5355 if (r < 0)
5356 return bus_log_parse_error(r);
5357
5358 r = sd_bus_message_exit_container(m);
5359 if (r < 0)
5360 return bus_log_parse_error(r);
5361
5362 if (all || !isempty(paths))
5363 bus_print_property_value(name, expected_value, value, strempty(paths));
5364
5365 return 1;
5366
5367 } else if (streq(name, "TemporaryFileSystem")) {
5368 _cleanup_free_ char *paths = NULL;
5369 const char *target, *option;
5370
5371 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5372 if (r < 0)
5373 return bus_log_parse_error(r);
5374
5375 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5376 _cleanup_free_ char *str = NULL;
5377
5378 if (isempty(target))
5379 continue;
5380
5381 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5382 return log_oom();
5383
5384 if (!strextend_with_separator(&paths, " ", str, NULL))
5385 return log_oom();
5386 }
5387 if (r < 0)
5388 return bus_log_parse_error(r);
5389
5390 r = sd_bus_message_exit_container(m);
5391 if (r < 0)
5392 return bus_log_parse_error(r);
5393
5394 if (all || !isempty(paths))
5395 bus_print_property_value(name, expected_value, value, strempty(paths));
5396
5397 return 1;
5398
5399 } else if (streq(name, "LogExtraFields")) {
5400 _cleanup_free_ char *fields = NULL;
5401 const void *p;
5402 size_t sz;
5403
5404 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5405 if (r < 0)
5406 return bus_log_parse_error(r);
5407
5408 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5409 _cleanup_free_ char *str = NULL;
5410 const char *eq;
5411
5412 if (memchr(p, 0, sz))
5413 continue;
5414
5415 eq = memchr(p, '=', sz);
5416 if (!eq)
5417 continue;
5418
5419 if (!journal_field_valid(p, eq - (const char*) p, false))
5420 continue;
5421
5422 str = malloc(sz + 1);
5423 if (!str)
5424 return log_oom();
5425
5426 memcpy(str, p, sz);
5427 str[sz] = '\0';
5428
5429 if (!utf8_is_valid(str))
5430 continue;
5431
5432 if (!strextend_with_separator(&fields, " ", str, NULL))
5433 return log_oom();
5434 }
5435 if (r < 0)
5436 return bus_log_parse_error(r);
5437
5438 r = sd_bus_message_exit_container(m);
5439 if (r < 0)
5440 return bus_log_parse_error(r);
5441
5442 if (all || !isempty(fields))
5443 bus_print_property_value(name, expected_value, value, strempty(fields));
5444
5445 return 1;
5446 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "CPUAffinity")) {
5447 _cleanup_free_ char *affinity = NULL;
5448 _cleanup_(cpu_set_reset) CPUSet set = {};
5449 const void *a;
5450 size_t n;
5451
5452 r = sd_bus_message_read_array(m, 'y', &a, &n);
5453 if (r < 0)
5454 return bus_log_parse_error(r);
5455
5456 r = cpu_set_from_dbus(a, n, &set);
5457 if (r < 0)
5458 return log_error_errno(r, "Failed to deserialize CPUAffinity: %m");
5459
5460 affinity = cpu_set_to_range_string(&set);
5461 if (!affinity)
5462 return log_oom();
5463
5464 bus_print_property_value(name, expected_value, value, affinity);
5465
5466 return 1;
5467 }
5468
5469 break;
5470 }
5471
5472 return 0;
5473 }
5474
5475 typedef enum SystemctlShowMode{
5476 SYSTEMCTL_SHOW_PROPERTIES,
5477 SYSTEMCTL_SHOW_STATUS,
5478 SYSTEMCTL_SHOW_HELP,
5479 _SYSTEMCTL_SHOW_MODE_MAX,
5480 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5481 } SystemctlShowMode;
5482
5483 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5484 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5485 [SYSTEMCTL_SHOW_STATUS] = "status",
5486 [SYSTEMCTL_SHOW_HELP] = "help",
5487 };
5488
5489 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5490
5491 static int show_one(
5492 sd_bus *bus,
5493 const char *path,
5494 const char *unit,
5495 SystemctlShowMode show_mode,
5496 bool *new_line,
5497 bool *ellipsized) {
5498
5499 static const struct bus_properties_map property_map[] = {
5500 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5501 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5502 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5503 {}
5504 }, status_map[] = {
5505 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5506 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5507 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5508 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5509 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5510 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5511 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5512 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5513 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5514 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5515 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5516 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5517 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5518 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5519 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5520 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5521 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5522 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5523 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5524 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5525 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5526 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5527 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5528 { "MainPID", "u", map_main_pid, 0 },
5529 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5530 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5531 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5532 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5533 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5534 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5535 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5536 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5537 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5538 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5539 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5540 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5541 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5542 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5543 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5544 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5545 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5546 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5547 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5548 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5549 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5550 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5551 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5552 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5553 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5554 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5555 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5556 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5557 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5558 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5559 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5560 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5561 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5562 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5563 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5564 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5565 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5566 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5567 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5568 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5569 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5570 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5571 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5572 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5573 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5574 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5575 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5576 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5577 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5578 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5579 {}
5580 };
5581
5582 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5583 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5584 _cleanup_set_free_ Set *found_properties = NULL;
5585 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5586 .memory_current = (uint64_t) -1,
5587 .memory_high = CGROUP_LIMIT_MAX,
5588 .memory_max = CGROUP_LIMIT_MAX,
5589 .memory_swap_max = CGROUP_LIMIT_MAX,
5590 .memory_limit = (uint64_t) -1,
5591 .cpu_usage_nsec = (uint64_t) -1,
5592 .tasks_current = (uint64_t) -1,
5593 .tasks_max = (uint64_t) -1,
5594 .ip_ingress_bytes = (uint64_t) -1,
5595 .ip_egress_bytes = (uint64_t) -1,
5596 .io_read_bytes = UINT64_MAX,
5597 .io_write_bytes = UINT64_MAX,
5598 };
5599 char **pp;
5600 int r;
5601
5602 assert(path);
5603 assert(new_line);
5604
5605 log_debug("Showing one %s", path);
5606
5607 r = bus_map_all_properties(
5608 bus,
5609 "org.freedesktop.systemd1",
5610 path,
5611 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5612 BUS_MAP_BOOLEAN_AS_BOOL,
5613 &error,
5614 &reply,
5615 &info);
5616 if (r < 0)
5617 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5618
5619 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5620 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5621 "Unit %s could not be found.", unit);
5622
5623 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5624 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5625 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5626 return -ENOENT;
5627 }
5628
5629 if (*new_line)
5630 printf("\n");
5631
5632 *new_line = true;
5633
5634 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5635 print_status_info(bus, &info, ellipsized);
5636
5637 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5638 return EXIT_PROGRAM_NOT_RUNNING;
5639
5640 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5641
5642 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5643 show_unit_help(&info);
5644 return 0;
5645 }
5646
5647 r = sd_bus_message_rewind(reply, true);
5648 if (r < 0)
5649 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5650
5651 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5652 if (r < 0)
5653 return bus_log_parse_error(r);
5654
5655 STRV_FOREACH(pp, arg_properties)
5656 if (!set_contains(found_properties, *pp))
5657 log_debug("Property %s does not exist.", *pp);
5658
5659 return 0;
5660 }
5661
5662 static int get_unit_dbus_path_by_pid(
5663 sd_bus *bus,
5664 uint32_t pid,
5665 char **unit) {
5666
5667 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5668 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5669 char *u;
5670 int r;
5671
5672 r = sd_bus_call_method(
5673 bus,
5674 "org.freedesktop.systemd1",
5675 "/org/freedesktop/systemd1",
5676 "org.freedesktop.systemd1.Manager",
5677 "GetUnitByPID",
5678 &error,
5679 &reply,
5680 "u", pid);
5681 if (r < 0)
5682 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5683
5684 r = sd_bus_message_read(reply, "o", &u);
5685 if (r < 0)
5686 return bus_log_parse_error(r);
5687
5688 u = strdup(u);
5689 if (!u)
5690 return log_oom();
5691
5692 *unit = u;
5693 return 0;
5694 }
5695
5696 static int show_all(
5697 sd_bus *bus,
5698 bool *new_line,
5699 bool *ellipsized) {
5700
5701 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5702 _cleanup_free_ UnitInfo *unit_infos = NULL;
5703 const UnitInfo *u;
5704 unsigned c;
5705 int r, ret = 0;
5706
5707 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5708 if (r < 0)
5709 return r;
5710
5711 (void) pager_open(arg_pager_flags);
5712
5713 c = (unsigned) r;
5714
5715 typesafe_qsort(unit_infos, c, compare_unit_info);
5716
5717 for (u = unit_infos; u < unit_infos + c; u++) {
5718 _cleanup_free_ char *p = NULL;
5719
5720 p = unit_dbus_path_from_name(u->id);
5721 if (!p)
5722 return log_oom();
5723
5724 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5725 if (r < 0)
5726 return r;
5727 else if (r > 0 && ret == 0)
5728 ret = r;
5729 }
5730
5731 return ret;
5732 }
5733
5734 static int show_system_status(sd_bus *bus) {
5735 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5736 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5737 _cleanup_(machine_info_clear) struct machine_info mi = {};
5738 _cleanup_free_ char *hn = NULL;
5739 const char *on, *off;
5740 int r;
5741
5742 hn = gethostname_malloc();
5743 if (!hn)
5744 return log_oom();
5745
5746 r = bus_map_all_properties(
5747 bus,
5748 "org.freedesktop.systemd1",
5749 "/org/freedesktop/systemd1",
5750 machine_info_property_map,
5751 BUS_MAP_STRDUP,
5752 &error,
5753 NULL,
5754 &mi);
5755 if (r < 0)
5756 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5757
5758 if (streq_ptr(mi.state, "degraded")) {
5759 on = ansi_highlight_red();
5760 off = ansi_normal();
5761 } else if (streq_ptr(mi.state, "running")) {
5762 on = ansi_highlight_green();
5763 off = ansi_normal();
5764 } else {
5765 on = ansi_highlight_yellow();
5766 off = ansi_normal();
5767 }
5768
5769 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5770
5771 printf(" State: %s%s%s\n",
5772 on, strna(mi.state), off);
5773
5774 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5775 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5776
5777 printf(" Since: %s; %s\n",
5778 format_timestamp(since2, sizeof(since2), mi.timestamp),
5779 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5780
5781 printf(" CGroup: %s\n", mi.control_group ?: "/");
5782 if (IN_SET(arg_transport,
5783 BUS_TRANSPORT_LOCAL,
5784 BUS_TRANSPORT_MACHINE)) {
5785 static const char prefix[] = " ";
5786 unsigned c;
5787
5788 c = columns();
5789 if (c > sizeof(prefix) - 1)
5790 c -= sizeof(prefix) - 1;
5791 else
5792 c = 0;
5793
5794 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5795 }
5796
5797 return 0;
5798 }
5799
5800 static int show(int argc, char *argv[], void *userdata) {
5801 bool new_line = false, ellipsized = false;
5802 SystemctlShowMode show_mode;
5803 int r, ret = 0;
5804 sd_bus *bus;
5805
5806 assert(argv);
5807
5808 show_mode = systemctl_show_mode_from_string(argv[0]);
5809 if (show_mode < 0)
5810 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5811 "Invalid argument.");
5812
5813 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5814 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5815 "This command expects one or more unit names. Did you mean --help?");
5816
5817 r = acquire_bus(BUS_MANAGER, &bus);
5818 if (r < 0)
5819 return r;
5820
5821 (void) pager_open(arg_pager_flags);
5822
5823 /* If no argument is specified inspect the manager itself */
5824 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5825 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5826
5827 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5828
5829 show_system_status(bus);
5830 new_line = true;
5831
5832 if (arg_all)
5833 ret = show_all(bus, &new_line, &ellipsized);
5834 } else {
5835 _cleanup_free_ char **patterns = NULL;
5836 char **name;
5837
5838 STRV_FOREACH(name, strv_skip(argv, 1)) {
5839 _cleanup_free_ char *path = NULL, *unit = NULL;
5840 uint32_t id;
5841
5842 if (safe_atou32(*name, &id) < 0) {
5843 if (strv_push(&patterns, *name) < 0)
5844 return log_oom();
5845
5846 continue;
5847 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5848 /* Interpret as job id */
5849 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5850 return log_oom();
5851
5852 } else {
5853 /* Interpret as PID */
5854 r = get_unit_dbus_path_by_pid(bus, id, &path);
5855 if (r < 0) {
5856 ret = r;
5857 continue;
5858 }
5859
5860 r = unit_name_from_dbus_path(path, &unit);
5861 if (r < 0)
5862 return log_oom();
5863 }
5864
5865 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5866 if (r < 0)
5867 return r;
5868 else if (r > 0 && ret == 0)
5869 ret = r;
5870 }
5871
5872 if (!strv_isempty(patterns)) {
5873 _cleanup_strv_free_ char **names = NULL;
5874
5875 r = expand_names(bus, patterns, NULL, &names);
5876 if (r < 0)
5877 return log_error_errno(r, "Failed to expand names: %m");
5878
5879 STRV_FOREACH(name, names) {
5880 _cleanup_free_ char *path;
5881
5882 path = unit_dbus_path_from_name(*name);
5883 if (!path)
5884 return log_oom();
5885
5886 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5887 if (r < 0)
5888 return r;
5889 if (r > 0 && ret == 0)
5890 ret = r;
5891 }
5892 }
5893 }
5894
5895 if (ellipsized && !arg_quiet)
5896 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5897
5898 return ret;
5899 }
5900
5901 static int cat(int argc, char *argv[], void *userdata) {
5902 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5903 _cleanup_strv_free_ char **names = NULL;
5904 char **name;
5905 sd_bus *bus;
5906 bool first = true;
5907 int r;
5908
5909 /* Include all units by default - i.e. continue as if the --all
5910 * option was used */
5911 if (strv_isempty(arg_states))
5912 arg_all = true;
5913
5914 if (arg_transport != BUS_TRANSPORT_LOCAL)
5915 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5916
5917 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5918 if (r < 0)
5919 return log_error_errno(r, "Failed to determine unit paths: %m");
5920
5921 r = acquire_bus(BUS_MANAGER, &bus);
5922 if (r < 0)
5923 return r;
5924
5925 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5926 if (r < 0)
5927 return log_error_errno(r, "Failed to expand names: %m");
5928
5929 (void) pager_open(arg_pager_flags);
5930
5931 STRV_FOREACH(name, names) {
5932 _cleanup_free_ char *fragment_path = NULL;
5933 _cleanup_strv_free_ char **dropin_paths = NULL;
5934
5935 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5936 if (r == -ERFKILL) {
5937 printf("%s# Unit %s is masked%s.\n",
5938 ansi_highlight_magenta(),
5939 *name,
5940 ansi_normal());
5941 continue;
5942 }
5943 if (r == -EKEYREJECTED) {
5944 printf("%s# Unit %s could not be loaded.%s\n",
5945 ansi_highlight_magenta(),
5946 *name,
5947 ansi_normal());
5948 continue;
5949 }
5950 if (r < 0)
5951 return r;
5952 if (r == 0)
5953 return -ENOENT;
5954
5955 if (first)
5956 first = false;
5957 else
5958 puts("");
5959
5960 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5961 fprintf(stderr,
5962 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5963 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5964 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5965 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5966 ansi_highlight_red(),
5967 *name,
5968 ansi_highlight_red(),
5969 ansi_highlight_red(),
5970 ansi_highlight_red(),
5971 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5972 ansi_normal());
5973
5974 r = cat_files(fragment_path, dropin_paths, 0);
5975 if (r < 0)
5976 return r;
5977 }
5978
5979 return 0;
5980 }
5981
5982 static int set_property(int argc, char *argv[], void *userdata) {
5983 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5984 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5985 _cleanup_free_ char *n = NULL;
5986 UnitType t;
5987 sd_bus *bus;
5988 int r;
5989
5990 r = acquire_bus(BUS_MANAGER, &bus);
5991 if (r < 0)
5992 return r;
5993
5994 polkit_agent_open_maybe();
5995
5996 r = sd_bus_message_new_method_call(
5997 bus,
5998 &m,
5999 "org.freedesktop.systemd1",
6000 "/org/freedesktop/systemd1",
6001 "org.freedesktop.systemd1.Manager",
6002 "SetUnitProperties");
6003 if (r < 0)
6004 return bus_log_create_error(r);
6005
6006 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
6007 if (r < 0)
6008 return log_error_errno(r, "Failed to mangle unit name: %m");
6009
6010 t = unit_name_to_type(n);
6011 if (t < 0)
6012 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
6013
6014 r = sd_bus_message_append(m, "sb", n, arg_runtime);
6015 if (r < 0)
6016 return bus_log_create_error(r);
6017
6018 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
6019 if (r < 0)
6020 return bus_log_create_error(r);
6021
6022 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
6023 if (r < 0)
6024 return r;
6025
6026 r = sd_bus_message_close_container(m);
6027 if (r < 0)
6028 return bus_log_create_error(r);
6029
6030 r = sd_bus_call(bus, m, 0, &error, NULL);
6031 if (r < 0)
6032 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
6033
6034 return 0;
6035 }
6036
6037 static int daemon_reload(int argc, char *argv[], void *userdata) {
6038 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6039 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6040 const char *method;
6041 sd_bus *bus;
6042 int r;
6043
6044 r = acquire_bus(BUS_MANAGER, &bus);
6045 if (r < 0)
6046 return r;
6047
6048 polkit_agent_open_maybe();
6049
6050 switch (arg_action) {
6051
6052 case ACTION_RELOAD:
6053 method = "Reload";
6054 break;
6055
6056 case ACTION_REEXEC:
6057 method = "Reexecute";
6058 break;
6059
6060 case ACTION_SYSTEMCTL:
6061 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6062 /* "daemon-reload" */ "Reload";
6063 break;
6064
6065 default:
6066 assert_not_reached("Unexpected action");
6067 }
6068
6069 r = sd_bus_message_new_method_call(
6070 bus,
6071 &m,
6072 "org.freedesktop.systemd1",
6073 "/org/freedesktop/systemd1",
6074 "org.freedesktop.systemd1.Manager",
6075 method);
6076 if (r < 0)
6077 return bus_log_create_error(r);
6078
6079 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6080 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6081 * their timeout, and for everything else there's the same time budget in place. */
6082
6083 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6084
6085 /* On reexecution, we expect a disconnect, not a reply */
6086 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6087 r = 0;
6088
6089 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6090 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6091
6092 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6093 * old ways of doing things, hence don't log any error in that case here. */
6094
6095 return r < 0 ? r : 0;
6096 }
6097
6098 static int trivial_method(int argc, char *argv[], void *userdata) {
6099 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6100 const char *method;
6101 sd_bus *bus;
6102 int r;
6103
6104 if (arg_dry_run)
6105 return 0;
6106
6107 r = acquire_bus(BUS_MANAGER, &bus);
6108 if (r < 0)
6109 return r;
6110
6111 polkit_agent_open_maybe();
6112
6113 method =
6114 streq(argv[0], "clear-jobs") ||
6115 streq(argv[0], "cancel") ? "ClearJobs" :
6116 streq(argv[0], "reset-failed") ? "ResetFailed" :
6117 streq(argv[0], "halt") ? "Halt" :
6118 streq(argv[0], "reboot") ? "Reboot" :
6119 streq(argv[0], "kexec") ? "KExec" :
6120 streq(argv[0], "exit") ? "Exit" :
6121 /* poweroff */ "PowerOff";
6122
6123 r = sd_bus_call_method(
6124 bus,
6125 "org.freedesktop.systemd1",
6126 "/org/freedesktop/systemd1",
6127 "org.freedesktop.systemd1.Manager",
6128 method,
6129 &error,
6130 NULL,
6131 NULL);
6132 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6133 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6134
6135 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6136 * old ways of doing things, hence don't log any error in that case here. */
6137
6138 return r < 0 ? r : 0;
6139 }
6140
6141 static int reset_failed(int argc, char *argv[], void *userdata) {
6142 _cleanup_strv_free_ char **names = NULL;
6143 sd_bus *bus;
6144 char **name;
6145 int r, q;
6146
6147 if (argc <= 1)
6148 return trivial_method(argc, argv, userdata);
6149
6150 r = acquire_bus(BUS_MANAGER, &bus);
6151 if (r < 0)
6152 return r;
6153
6154 polkit_agent_open_maybe();
6155
6156 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6157 if (r < 0)
6158 return log_error_errno(r, "Failed to expand names: %m");
6159
6160 STRV_FOREACH(name, names) {
6161 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6162
6163 q = sd_bus_call_method(
6164 bus,
6165 "org.freedesktop.systemd1",
6166 "/org/freedesktop/systemd1",
6167 "org.freedesktop.systemd1.Manager",
6168 "ResetFailedUnit",
6169 &error,
6170 NULL,
6171 "s", *name);
6172 if (q < 0) {
6173 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6174 if (r == 0)
6175 r = q;
6176 }
6177 }
6178
6179 return r;
6180 }
6181
6182 static int print_variable(const char *s) {
6183 const char *sep;
6184 _cleanup_free_ char *esc = NULL;
6185
6186 sep = strchr(s, '=');
6187 if (!sep)
6188 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6189 "Invalid environment block");
6190
6191 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6192 if (!esc)
6193 return log_oom();
6194
6195 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6196 return 0;
6197 }
6198
6199 static int show_environment(int argc, char *argv[], void *userdata) {
6200 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6201 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6202 const char *text;
6203 sd_bus *bus;
6204 int r;
6205
6206 r = acquire_bus(BUS_MANAGER, &bus);
6207 if (r < 0)
6208 return r;
6209
6210 (void) pager_open(arg_pager_flags);
6211
6212 r = sd_bus_get_property(
6213 bus,
6214 "org.freedesktop.systemd1",
6215 "/org/freedesktop/systemd1",
6216 "org.freedesktop.systemd1.Manager",
6217 "Environment",
6218 &error,
6219 &reply,
6220 "as");
6221 if (r < 0)
6222 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6223
6224 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6225 if (r < 0)
6226 return bus_log_parse_error(r);
6227
6228 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6229 r = print_variable(text);
6230 if (r < 0)
6231 return r;
6232 }
6233 if (r < 0)
6234 return bus_log_parse_error(r);
6235
6236 r = sd_bus_message_exit_container(reply);
6237 if (r < 0)
6238 return bus_log_parse_error(r);
6239
6240 return 0;
6241 }
6242
6243 static int switch_root(int argc, char *argv[], void *userdata) {
6244 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6245 _cleanup_free_ char *cmdline_init = NULL;
6246 const char *root, *init;
6247 sd_bus *bus;
6248 int r;
6249
6250 if (arg_transport != BUS_TRANSPORT_LOCAL)
6251 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6252
6253 if (argc < 2 || argc > 3)
6254 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6255
6256 root = argv[1];
6257
6258 if (argc >= 3)
6259 init = argv[2];
6260 else {
6261 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6262 if (r < 0)
6263 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6264
6265 init = cmdline_init;
6266 }
6267
6268 init = empty_to_null(init);
6269 if (init) {
6270 const char *root_systemd_path = NULL, *root_init_path = NULL;
6271
6272 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
6273 root_init_path = strjoina(root, "/", init);
6274
6275 /* If the passed init is actually the same as the
6276 * systemd binary, then let's suppress it. */
6277 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6278 init = NULL;
6279 }
6280
6281 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6282 * would exit with a failure status even though the switch to the new root has succeed. */
6283 assert(saved_argv);
6284 assert(saved_argv[0]);
6285 saved_argv[0][0] = '@';
6286
6287 r = acquire_bus(BUS_MANAGER, &bus);
6288 if (r < 0)
6289 return r;
6290
6291 /* If we are slow to exit after the root switch, the new systemd instance
6292 * will send us a signal to terminate. Just ignore it and exit normally.
6293 * This way the unit does not end up as failed.
6294 */
6295 r = ignore_signals(SIGTERM, -1);
6296 if (r < 0)
6297 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6298
6299 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6300
6301 r = sd_bus_call_method(
6302 bus,
6303 "org.freedesktop.systemd1",
6304 "/org/freedesktop/systemd1",
6305 "org.freedesktop.systemd1.Manager",
6306 "SwitchRoot",
6307 &error,
6308 NULL,
6309 "ss", root, init);
6310 if (r < 0) {
6311 (void) default_signals(SIGTERM, -1);
6312
6313 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6314 }
6315
6316 return 0;
6317 }
6318
6319 static int set_environment(int argc, char *argv[], void *userdata) {
6320 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6321 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6322 const char *method;
6323 sd_bus *bus;
6324 int r;
6325
6326 assert(argc > 1);
6327 assert(argv);
6328
6329 r = acquire_bus(BUS_MANAGER, &bus);
6330 if (r < 0)
6331 return r;
6332
6333 polkit_agent_open_maybe();
6334
6335 method = streq(argv[0], "set-environment")
6336 ? "SetEnvironment"
6337 : "UnsetEnvironment";
6338
6339 r = sd_bus_message_new_method_call(
6340 bus,
6341 &m,
6342 "org.freedesktop.systemd1",
6343 "/org/freedesktop/systemd1",
6344 "org.freedesktop.systemd1.Manager",
6345 method);
6346 if (r < 0)
6347 return bus_log_create_error(r);
6348
6349 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6350 if (r < 0)
6351 return bus_log_create_error(r);
6352
6353 r = sd_bus_call(bus, m, 0, &error, NULL);
6354 if (r < 0)
6355 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6356
6357 return 0;
6358 }
6359
6360 static int import_environment(int argc, char *argv[], void *userdata) {
6361 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6362 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6363 sd_bus *bus;
6364 int r;
6365
6366 r = acquire_bus(BUS_MANAGER, &bus);
6367 if (r < 0)
6368 return r;
6369
6370 polkit_agent_open_maybe();
6371
6372 r = sd_bus_message_new_method_call(
6373 bus,
6374 &m,
6375 "org.freedesktop.systemd1",
6376 "/org/freedesktop/systemd1",
6377 "org.freedesktop.systemd1.Manager",
6378 "SetEnvironment");
6379 if (r < 0)
6380 return bus_log_create_error(r);
6381
6382 if (argc < 2)
6383 r = sd_bus_message_append_strv(m, environ);
6384 else {
6385 char **a, **b;
6386
6387 r = sd_bus_message_open_container(m, 'a', "s");
6388 if (r < 0)
6389 return bus_log_create_error(r);
6390
6391 STRV_FOREACH(a, strv_skip(argv, 1)) {
6392
6393 if (!env_name_is_valid(*a))
6394 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6395
6396 STRV_FOREACH(b, environ) {
6397 const char *eq;
6398
6399 eq = startswith(*b, *a);
6400 if (eq && *eq == '=') {
6401
6402 r = sd_bus_message_append(m, "s", *b);
6403 if (r < 0)
6404 return bus_log_create_error(r);
6405
6406 break;
6407 }
6408 }
6409 }
6410
6411 r = sd_bus_message_close_container(m);
6412 }
6413 if (r < 0)
6414 return bus_log_create_error(r);
6415
6416 r = sd_bus_call(bus, m, 0, &error, NULL);
6417 if (r < 0)
6418 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6419
6420 return 0;
6421 }
6422
6423 static int enable_sysv_units(const char *verb, char **args) {
6424 int r = 0;
6425
6426 #if HAVE_SYSV_COMPAT
6427 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6428 unsigned f = 0;
6429
6430 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6431
6432 if (arg_scope != UNIT_FILE_SYSTEM)
6433 return 0;
6434
6435 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6436 return 0;
6437
6438 if (!STR_IN_SET(verb,
6439 "enable",
6440 "disable",
6441 "is-enabled"))
6442 return 0;
6443
6444 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6445 if (r < 0)
6446 return r;
6447
6448 r = 0;
6449 while (args[f]) {
6450
6451 const char *argv[] = {
6452 ROOTLIBEXECDIR "/systemd-sysv-install",
6453 NULL, /* --root= */
6454 NULL, /* verb */
6455 NULL, /* service */
6456 NULL,
6457 };
6458
6459 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6460 bool found_native = false, found_sysv;
6461 const char *name;
6462 unsigned c = 1;
6463 pid_t pid;
6464 int j;
6465
6466 name = args[f++];
6467
6468 if (!endswith(name, ".service"))
6469 continue;
6470
6471 if (path_is_absolute(name))
6472 continue;
6473
6474 j = unit_file_exists(arg_scope, &paths, name);
6475 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6476 return log_error_errno(j, "Failed to lookup unit file state: %m");
6477 found_native = j != 0;
6478
6479 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6480 * prefer the native unit */
6481 if (found_native && streq(verb, "is-enabled"))
6482 continue;
6483
6484 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6485 if (!p)
6486 return log_oom();
6487
6488 p[strlen(p) - STRLEN(".service")] = 0;
6489 found_sysv = access(p, F_OK) >= 0;
6490 if (!found_sysv)
6491 continue;
6492
6493 if (!arg_quiet) {
6494 if (found_native)
6495 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6496 else
6497 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6498 }
6499
6500 if (!isempty(arg_root)) {
6501 q = strappend("--root=", arg_root);
6502 if (!q)
6503 return log_oom();
6504
6505 argv[c++] = q;
6506 }
6507
6508 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6509 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6510 v = strdup(verb);
6511 if (!v)
6512 return log_oom();
6513
6514 argv[c++] = v;
6515 argv[c++] = basename(p);
6516 argv[c] = NULL;
6517
6518 l = strv_join((char**)argv, " ");
6519 if (!l)
6520 return log_oom();
6521
6522 if (!arg_quiet)
6523 log_info("Executing: %s", l);
6524
6525 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6526 if (j < 0)
6527 return j;
6528 if (j == 0) {
6529 /* Child */
6530 execv(argv[0], (char**) argv);
6531 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6532 _exit(EXIT_FAILURE);
6533 }
6534
6535 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6536 if (j < 0)
6537 return j;
6538 if (streq(verb, "is-enabled")) {
6539 if (j == EXIT_SUCCESS) {
6540 if (!arg_quiet)
6541 puts("enabled");
6542 r = 1;
6543 } else {
6544 if (!arg_quiet)
6545 puts("disabled");
6546 }
6547
6548 } else if (j != EXIT_SUCCESS)
6549 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6550
6551 if (found_native)
6552 continue;
6553
6554 /* Remove this entry, so that we don't try enabling it as native unit */
6555 assert(f > 0);
6556 f--;
6557 assert(args[f] == name);
6558 strv_remove(args + f, name);
6559 }
6560
6561 #endif
6562 return r;
6563 }
6564
6565 static int mangle_names(char **original_names, char ***mangled_names) {
6566 char **i, **l, **name;
6567 int r;
6568
6569 l = i = new(char*, strv_length(original_names) + 1);
6570 if (!l)
6571 return log_oom();
6572
6573 STRV_FOREACH(name, original_names) {
6574
6575 /* When enabling units qualified path names are OK,
6576 * too, hence allow them explicitly. */
6577
6578 if (is_path(*name)) {
6579 *i = strdup(*name);
6580 if (!*i) {
6581 strv_free(l);
6582 return log_oom();
6583 }
6584 } else {
6585 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6586 if (r < 0) {
6587 *i = NULL;
6588 strv_free(l);
6589 return log_error_errno(r, "Failed to mangle unit name: %m");
6590 }
6591 }
6592
6593 i++;
6594 }
6595
6596 *i = NULL;
6597 *mangled_names = l;
6598
6599 return 0;
6600 }
6601
6602 static int normalize_filenames(char **names) {
6603 char **u;
6604 int r;
6605
6606 STRV_FOREACH(u, names)
6607 if (!path_is_absolute(*u)) {
6608 char* normalized_path;
6609
6610 if (!isempty(arg_root))
6611 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6612 "Non-absolute paths are not allowed when --root is used: %s",
6613 *u);
6614
6615 if (!strchr(*u,'/'))
6616 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6617 "Link argument does contain at least one directory separator: %s",
6618 *u);
6619
6620 r = path_make_absolute_cwd(*u, &normalized_path);
6621 if (r < 0)
6622 return r;
6623
6624 free_and_replace(*u, normalized_path);
6625 }
6626
6627 return 0;
6628 }
6629
6630 static int normalize_names(char **names, bool warn_if_path) {
6631 char **u;
6632 bool was_path = false;
6633
6634 STRV_FOREACH(u, names) {
6635 int r;
6636
6637 if (!is_path(*u))
6638 continue;
6639
6640 r = free_and_strdup(u, basename(*u));
6641 if (r < 0)
6642 return log_error_errno(r, "Failed to normalize unit file path: %m");
6643
6644 was_path = true;
6645 }
6646
6647 if (warn_if_path && was_path)
6648 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6649
6650 return 0;
6651 }
6652
6653 static int unit_exists(LookupPaths *lp, const char *unit) {
6654 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6655 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6656 _cleanup_free_ char *path = NULL;
6657 static const struct bus_properties_map property_map[] = {
6658 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6659 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6660 {},
6661 };
6662 UnitStatusInfo info = {};
6663 sd_bus *bus;
6664 int r;
6665
6666 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6667 return unit_find_template_path(unit, lp, NULL, NULL);
6668
6669 path = unit_dbus_path_from_name(unit);
6670 if (!path)
6671 return log_oom();
6672
6673 r = acquire_bus(BUS_MANAGER, &bus);
6674 if (r < 0)
6675 return r;
6676
6677 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6678 if (r < 0)
6679 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6680
6681 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6682 }
6683
6684 static int enable_unit(int argc, char *argv[], void *userdata) {
6685 _cleanup_strv_free_ char **names = NULL;
6686 const char *verb = argv[0];
6687 UnitFileChange *changes = NULL;
6688 size_t n_changes = 0;
6689 int carries_install_info = -1;
6690 bool ignore_carries_install_info = arg_quiet;
6691 int r;
6692
6693 if (!argv[1])
6694 return 0;
6695
6696 r = mangle_names(strv_skip(argv, 1), &names);
6697 if (r < 0)
6698 return r;
6699
6700 r = enable_sysv_units(verb, names);
6701 if (r < 0)
6702 return r;
6703
6704 /* If the operation was fully executed by the SysV compat, let's finish early */
6705 if (strv_isempty(names)) {
6706 if (arg_no_reload || install_client_side())
6707 return 0;
6708 return daemon_reload(argc, argv, userdata);
6709 }
6710
6711 if (streq(verb, "disable")) {
6712 r = normalize_names(names, true);
6713 if (r < 0)
6714 return r;
6715 }
6716
6717 if (streq(verb, "link")) {
6718 r = normalize_filenames(names);
6719 if (r < 0)
6720 return r;
6721 }
6722
6723 if (install_client_side()) {
6724 UnitFileFlags flags;
6725
6726 flags = args_to_flags();
6727 if (streq(verb, "enable")) {
6728 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6729 carries_install_info = r;
6730 } else if (streq(verb, "disable"))
6731 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6732 else if (streq(verb, "reenable")) {
6733 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6734 carries_install_info = r;
6735 } else if (streq(verb, "link"))
6736 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6737 else if (streq(verb, "preset")) {
6738 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6739 } else if (streq(verb, "mask"))
6740 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6741 else if (streq(verb, "unmask"))
6742 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6743 else if (streq(verb, "revert"))
6744 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6745 else
6746 assert_not_reached("Unknown verb");
6747
6748 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6749 if (r < 0)
6750 goto finish;
6751 r = 0;
6752 } else {
6753 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6754 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6755 bool expect_carries_install_info = false;
6756 bool send_runtime = true, send_force = true, send_preset_mode = false;
6757 const char *method;
6758 sd_bus *bus;
6759
6760 if (STR_IN_SET(verb, "mask", "unmask")) {
6761 char **name;
6762 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6763
6764 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6765 if (r < 0)
6766 return r;
6767
6768 STRV_FOREACH(name, names) {
6769 r = unit_exists(&lp, *name);
6770 if (r < 0)
6771 return r;
6772 if (r == 0)
6773 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6774 }
6775 }
6776
6777 r = acquire_bus(BUS_MANAGER, &bus);
6778 if (r < 0)
6779 return r;
6780
6781 polkit_agent_open_maybe();
6782
6783 if (streq(verb, "enable")) {
6784 method = "EnableUnitFiles";
6785 expect_carries_install_info = true;
6786 } else if (streq(verb, "disable")) {
6787 method = "DisableUnitFiles";
6788 send_force = false;
6789 } else if (streq(verb, "reenable")) {
6790 method = "ReenableUnitFiles";
6791 expect_carries_install_info = true;
6792 } else if (streq(verb, "link"))
6793 method = "LinkUnitFiles";
6794 else if (streq(verb, "preset")) {
6795
6796 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6797 method = "PresetUnitFilesWithMode";
6798 send_preset_mode = true;
6799 } else
6800 method = "PresetUnitFiles";
6801
6802 expect_carries_install_info = true;
6803 ignore_carries_install_info = true;
6804 } else if (streq(verb, "mask"))
6805 method = "MaskUnitFiles";
6806 else if (streq(verb, "unmask")) {
6807 method = "UnmaskUnitFiles";
6808 send_force = false;
6809 } else if (streq(verb, "revert")) {
6810 method = "RevertUnitFiles";
6811 send_runtime = send_force = false;
6812 } else
6813 assert_not_reached("Unknown verb");
6814
6815 r = sd_bus_message_new_method_call(
6816 bus,
6817 &m,
6818 "org.freedesktop.systemd1",
6819 "/org/freedesktop/systemd1",
6820 "org.freedesktop.systemd1.Manager",
6821 method);
6822 if (r < 0)
6823 return bus_log_create_error(r);
6824
6825 r = sd_bus_message_append_strv(m, names);
6826 if (r < 0)
6827 return bus_log_create_error(r);
6828
6829 if (send_preset_mode) {
6830 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6831 if (r < 0)
6832 return bus_log_create_error(r);
6833 }
6834
6835 if (send_runtime) {
6836 r = sd_bus_message_append(m, "b", arg_runtime);
6837 if (r < 0)
6838 return bus_log_create_error(r);
6839 }
6840
6841 if (send_force) {
6842 r = sd_bus_message_append(m, "b", arg_force);
6843 if (r < 0)
6844 return bus_log_create_error(r);
6845 }
6846
6847 r = sd_bus_call(bus, m, 0, &error, &reply);
6848 if (r < 0)
6849 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6850
6851 if (expect_carries_install_info) {
6852 r = sd_bus_message_read(reply, "b", &carries_install_info);
6853 if (r < 0)
6854 return bus_log_parse_error(r);
6855 }
6856
6857 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6858 if (r < 0)
6859 goto finish;
6860
6861 /* Try to reload if enabled */
6862 if (!arg_no_reload)
6863 r = daemon_reload(argc, argv, userdata);
6864 else
6865 r = 0;
6866 }
6867
6868 if (carries_install_info == 0 && !ignore_carries_install_info)
6869 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6870 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6871 "units). This means they are not meant to be enabled using systemctl.\n"
6872 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6873 "Possible reasons for having this kind of units are:\n"
6874 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6875 " .wants/ or .requires/ directory.\n"
6876 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6877 " a requirement dependency on it.\n"
6878 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6879 " D-Bus, udev, scripted systemctl call, ...).\n"
6880 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6881 " instance name specified.",
6882 special_glyph(SPECIAL_GLYPH_BULLET));
6883
6884 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6885 sd_bus *bus;
6886 size_t len, i;
6887
6888 r = acquire_bus(BUS_MANAGER, &bus);
6889 if (r < 0)
6890 goto finish;
6891
6892 len = strv_length(names);
6893 {
6894 char *new_args[len + 2];
6895
6896 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6897 for (i = 0; i < len; i++)
6898 new_args[i + 1] = basename(names[i]);
6899 new_args[i + 1] = NULL;
6900
6901 r = start_unit(len + 1, new_args, userdata);
6902 }
6903 }
6904
6905 finish:
6906 unit_file_changes_free(changes, n_changes);
6907
6908 return r;
6909 }
6910
6911 static int add_dependency(int argc, char *argv[], void *userdata) {
6912 _cleanup_strv_free_ char **names = NULL;
6913 _cleanup_free_ char *target = NULL;
6914 const char *verb = argv[0];
6915 UnitFileChange *changes = NULL;
6916 size_t n_changes = 0;
6917 UnitDependency dep;
6918 int r = 0;
6919
6920 if (!argv[1])
6921 return 0;
6922
6923 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6924 if (r < 0)
6925 return log_error_errno(r, "Failed to mangle unit name: %m");
6926
6927 r = mangle_names(strv_skip(argv, 2), &names);
6928 if (r < 0)
6929 return r;
6930
6931 if (streq(verb, "add-wants"))
6932 dep = UNIT_WANTS;
6933 else if (streq(verb, "add-requires"))
6934 dep = UNIT_REQUIRES;
6935 else
6936 assert_not_reached("Unknown verb");
6937
6938 if (install_client_side()) {
6939 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6940 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6941
6942 if (r > 0)
6943 r = 0;
6944 } else {
6945 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6946 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6947 sd_bus *bus;
6948
6949 r = acquire_bus(BUS_MANAGER, &bus);
6950 if (r < 0)
6951 return r;
6952
6953 polkit_agent_open_maybe();
6954
6955 r = sd_bus_message_new_method_call(
6956 bus,
6957 &m,
6958 "org.freedesktop.systemd1",
6959 "/org/freedesktop/systemd1",
6960 "org.freedesktop.systemd1.Manager",
6961 "AddDependencyUnitFiles");
6962 if (r < 0)
6963 return bus_log_create_error(r);
6964
6965 r = sd_bus_message_append_strv(m, names);
6966 if (r < 0)
6967 return bus_log_create_error(r);
6968
6969 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6970 if (r < 0)
6971 return bus_log_create_error(r);
6972
6973 r = sd_bus_call(bus, m, 0, &error, &reply);
6974 if (r < 0)
6975 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6976
6977 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6978 if (r < 0)
6979 goto finish;
6980
6981 if (arg_no_reload) {
6982 r = 0;
6983 goto finish;
6984 }
6985
6986 r = daemon_reload(argc, argv, userdata);
6987 }
6988
6989 finish:
6990 unit_file_changes_free(changes, n_changes);
6991
6992 return r;
6993 }
6994
6995 static int preset_all(int argc, char *argv[], void *userdata) {
6996 UnitFileChange *changes = NULL;
6997 size_t n_changes = 0;
6998 int r;
6999
7000 if (install_client_side()) {
7001 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
7002 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
7003
7004 if (r > 0)
7005 r = 0;
7006 } else {
7007 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7008 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7009 sd_bus *bus;
7010
7011 r = acquire_bus(BUS_MANAGER, &bus);
7012 if (r < 0)
7013 return r;
7014
7015 polkit_agent_open_maybe();
7016
7017 r = sd_bus_call_method(
7018 bus,
7019 "org.freedesktop.systemd1",
7020 "/org/freedesktop/systemd1",
7021 "org.freedesktop.systemd1.Manager",
7022 "PresetAllUnitFiles",
7023 &error,
7024 &reply,
7025 "sbb",
7026 unit_file_preset_mode_to_string(arg_preset_mode),
7027 arg_runtime,
7028 arg_force);
7029 if (r < 0)
7030 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
7031
7032 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7033 if (r < 0)
7034 goto finish;
7035
7036 if (arg_no_reload) {
7037 r = 0;
7038 goto finish;
7039 }
7040
7041 r = daemon_reload(argc, argv, userdata);
7042 }
7043
7044 finish:
7045 unit_file_changes_free(changes, n_changes);
7046
7047 return r;
7048 }
7049
7050 static int show_installation_targets_client_side(const char *name) {
7051 UnitFileChange *changes = NULL;
7052 size_t n_changes = 0, i;
7053 UnitFileFlags flags;
7054 char **p;
7055 int r;
7056
7057 p = STRV_MAKE(name);
7058 flags = UNIT_FILE_DRY_RUN |
7059 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7060
7061 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7062 if (r < 0)
7063 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7064
7065 for (i = 0; i < n_changes; i++)
7066 if (changes[i].type == UNIT_FILE_UNLINK)
7067 printf(" %s\n", changes[i].path);
7068
7069 return 0;
7070 }
7071
7072 static int show_installation_targets(sd_bus *bus, const char *name) {
7073 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7074 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7075 const char *link;
7076 int r;
7077
7078 r = sd_bus_call_method(
7079 bus,
7080 "org.freedesktop.systemd1",
7081 "/org/freedesktop/systemd1",
7082 "org.freedesktop.systemd1.Manager",
7083 "GetUnitFileLinks",
7084 &error,
7085 &reply,
7086 "sb", name, arg_runtime);
7087 if (r < 0)
7088 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7089
7090 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7091 if (r < 0)
7092 return bus_log_parse_error(r);
7093
7094 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7095 printf(" %s\n", link);
7096
7097 if (r < 0)
7098 return bus_log_parse_error(r);
7099
7100 r = sd_bus_message_exit_container(reply);
7101 if (r < 0)
7102 return bus_log_parse_error(r);
7103
7104 return 0;
7105 }
7106
7107 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7108 _cleanup_strv_free_ char **names = NULL;
7109 bool enabled;
7110 char **name;
7111 int r;
7112
7113 r = mangle_names(strv_skip(argv, 1), &names);
7114 if (r < 0)
7115 return r;
7116
7117 r = enable_sysv_units(argv[0], names);
7118 if (r < 0)
7119 return r;
7120
7121 enabled = r > 0;
7122
7123 if (install_client_side()) {
7124 STRV_FOREACH(name, names) {
7125 UnitFileState state;
7126
7127 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7128 if (r < 0)
7129 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7130
7131 if (IN_SET(state,
7132 UNIT_FILE_ENABLED,
7133 UNIT_FILE_ENABLED_RUNTIME,
7134 UNIT_FILE_STATIC,
7135 UNIT_FILE_INDIRECT,
7136 UNIT_FILE_GENERATED))
7137 enabled = true;
7138
7139 if (!arg_quiet) {
7140 puts(unit_file_state_to_string(state));
7141 if (arg_full) {
7142 r = show_installation_targets_client_side(*name);
7143 if (r < 0)
7144 return r;
7145 }
7146 }
7147 }
7148
7149 r = 0;
7150 } else {
7151 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7152 sd_bus *bus;
7153
7154 r = acquire_bus(BUS_MANAGER, &bus);
7155 if (r < 0)
7156 return r;
7157
7158 STRV_FOREACH(name, names) {
7159 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7160 const char *s;
7161
7162 r = sd_bus_call_method(
7163 bus,
7164 "org.freedesktop.systemd1",
7165 "/org/freedesktop/systemd1",
7166 "org.freedesktop.systemd1.Manager",
7167 "GetUnitFileState",
7168 &error,
7169 &reply,
7170 "s", *name);
7171 if (r < 0)
7172 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7173
7174 r = sd_bus_message_read(reply, "s", &s);
7175 if (r < 0)
7176 return bus_log_parse_error(r);
7177
7178 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7179 enabled = true;
7180
7181 if (!arg_quiet) {
7182 puts(s);
7183 if (arg_full) {
7184 r = show_installation_targets(bus, *name);
7185 if (r < 0)
7186 return r;
7187 }
7188 }
7189 }
7190 }
7191
7192 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7193 }
7194
7195 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7196 char **state = userdata;
7197 int r;
7198
7199 assert(state);
7200
7201 r = sd_bus_get_property_string(
7202 sd_bus_message_get_bus(m),
7203 "org.freedesktop.systemd1",
7204 "/org/freedesktop/systemd1",
7205 "org.freedesktop.systemd1.Manager",
7206 "SystemState",
7207 NULL,
7208 state);
7209
7210 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7211 return 0;
7212 }
7213
7214 static int is_system_running(int argc, char *argv[], void *userdata) {
7215 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7216 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7217 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7218 _cleanup_free_ char *state = NULL;
7219 sd_bus *bus;
7220 int r;
7221
7222 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7223 if (!arg_quiet)
7224 puts("offline");
7225 return EXIT_FAILURE;
7226 }
7227
7228 r = acquire_bus(BUS_MANAGER, &bus);
7229 if (r < 0)
7230 return r;
7231
7232 if (arg_wait) {
7233 r = sd_event_default(&event);
7234 if (r >= 0)
7235 r = sd_bus_attach_event(bus, event, 0);
7236 if (r >= 0)
7237 r = sd_bus_match_signal_async(
7238 bus,
7239 &slot_startup_finished,
7240 "org.freedesktop.systemd1",
7241 "/org/freedesktop/systemd1",
7242 "org.freedesktop.systemd1.Manager",
7243 "StartupFinished",
7244 match_startup_finished, NULL, &state);
7245 if (r < 0) {
7246 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7247 arg_wait = false;
7248 }
7249 }
7250
7251 r = sd_bus_get_property_string(
7252 bus,
7253 "org.freedesktop.systemd1",
7254 "/org/freedesktop/systemd1",
7255 "org.freedesktop.systemd1.Manager",
7256 "SystemState",
7257 &error,
7258 &state);
7259 if (r < 0) {
7260 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7261
7262 if (!arg_quiet)
7263 puts("unknown");
7264 return EXIT_FAILURE;
7265 }
7266
7267 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7268 r = sd_event_loop(event);
7269 if (r < 0) {
7270 log_warning_errno(r, "Failed to get property from event loop: %m");
7271 if (!arg_quiet)
7272 puts("unknown");
7273 return EXIT_FAILURE;
7274 }
7275 }
7276
7277 if (!arg_quiet)
7278 puts(state);
7279
7280 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7281 }
7282
7283 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7284 _cleanup_free_ char *t = NULL;
7285 int r;
7286
7287 assert(new_path);
7288 assert(original_path);
7289 assert(ret_tmp_fn);
7290
7291 r = tempfn_random(new_path, NULL, &t);
7292 if (r < 0)
7293 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7294
7295 r = mkdir_parents(new_path, 0755);
7296 if (r < 0)
7297 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7298
7299 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7300 if (r == -ENOENT) {
7301
7302 r = touch(t);
7303 if (r < 0)
7304 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7305
7306 } else if (r < 0)
7307 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7308
7309 *ret_tmp_fn = TAKE_PTR(t);
7310
7311 return 0;
7312 }
7313
7314 static int get_file_to_edit(
7315 const LookupPaths *paths,
7316 const char *name,
7317 char **ret_path) {
7318
7319 _cleanup_free_ char *path = NULL, *run = NULL;
7320
7321 assert(name);
7322 assert(ret_path);
7323
7324 path = strjoin(paths->persistent_config, "/", name);
7325 if (!path)
7326 return log_oom();
7327
7328 if (arg_runtime) {
7329 run = strjoin(paths->runtime_config, "/", name);
7330 if (!run)
7331 return log_oom();
7332 }
7333
7334 if (arg_runtime) {
7335 if (access(path, F_OK) >= 0)
7336 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7337 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7338 run, path);
7339
7340 *ret_path = TAKE_PTR(run);
7341 } else
7342 *ret_path = TAKE_PTR(path);
7343
7344 return 0;
7345 }
7346
7347 static int unit_file_create_new(
7348 const LookupPaths *paths,
7349 const char *unit_name,
7350 const char *suffix,
7351 char **ret_new_path,
7352 char **ret_tmp_path) {
7353
7354 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7355 const char *ending;
7356 int r;
7357
7358 assert(unit_name);
7359 assert(ret_new_path);
7360 assert(ret_tmp_path);
7361
7362 ending = strjoina(unit_name, suffix);
7363 r = get_file_to_edit(paths, ending, &new_path);
7364 if (r < 0)
7365 return r;
7366
7367 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7368 if (r < 0)
7369 return r;
7370
7371 *ret_new_path = TAKE_PTR(new_path);
7372 *ret_tmp_path = TAKE_PTR(tmp_path);
7373
7374 return 0;
7375 }
7376
7377 static int unit_file_create_copy(
7378 const LookupPaths *paths,
7379 const char *unit_name,
7380 const char *fragment_path,
7381 char **ret_new_path,
7382 char **ret_tmp_path) {
7383
7384 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7385 int r;
7386
7387 assert(fragment_path);
7388 assert(unit_name);
7389 assert(ret_new_path);
7390 assert(ret_tmp_path);
7391
7392 r = get_file_to_edit(paths, unit_name, &new_path);
7393 if (r < 0)
7394 return r;
7395
7396 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7397 char response;
7398
7399 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7400 if (r < 0)
7401 return r;
7402 if (response != 'y')
7403 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7404 }
7405
7406 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7407 if (r < 0)
7408 return r;
7409
7410 *ret_new_path = TAKE_PTR(new_path);
7411 *ret_tmp_path = TAKE_PTR(tmp_path);
7412
7413 return 0;
7414 }
7415
7416 static int run_editor(char **paths) {
7417 int r;
7418
7419 assert(paths);
7420
7421 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7422 if (r < 0)
7423 return r;
7424 if (r == 0) {
7425 char **editor_args = NULL, **tmp_path, **original_path;
7426 size_t n_editor_args = 0, i = 1, argc;
7427 const char **args, *editor, *p;
7428
7429 argc = strv_length(paths)/2 + 1;
7430
7431 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7432 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7433 * we try to execute well known editors
7434 */
7435 editor = getenv("SYSTEMD_EDITOR");
7436 if (!editor)
7437 editor = getenv("EDITOR");
7438 if (!editor)
7439 editor = getenv("VISUAL");
7440
7441 if (!isempty(editor)) {
7442 editor_args = strv_split(editor, WHITESPACE);
7443 if (!editor_args) {
7444 (void) log_oom();
7445 _exit(EXIT_FAILURE);
7446 }
7447 n_editor_args = strv_length(editor_args);
7448 argc += n_editor_args - 1;
7449 }
7450
7451 args = newa(const char*, argc + 1);
7452
7453 if (n_editor_args > 0) {
7454 args[0] = editor_args[0];
7455 for (; i < n_editor_args; i++)
7456 args[i] = editor_args[i];
7457 }
7458
7459 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7460 args[i++] = *tmp_path;
7461 args[i] = NULL;
7462
7463 if (n_editor_args > 0)
7464 execvp(args[0], (char* const*) args);
7465
7466 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7467 args[0] = p;
7468 execvp(p, (char* const*) args);
7469 /* We do not fail if the editor doesn't exist
7470 * because we want to try each one of them before
7471 * failing.
7472 */
7473 if (errno != ENOENT) {
7474 log_error_errno(errno, "Failed to execute %s: %m", editor);
7475 _exit(EXIT_FAILURE);
7476 }
7477 }
7478
7479 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7480 _exit(EXIT_FAILURE);
7481 }
7482
7483 return 0;
7484 }
7485
7486 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7487 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7488 char **name;
7489 int r;
7490
7491 assert(names);
7492 assert(paths);
7493
7494 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7495 if (r < 0)
7496 return r;
7497
7498 STRV_FOREACH(name, names) {
7499 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7500 const char *unit_name;
7501
7502 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7503 if (r == -EKEYREJECTED) {
7504 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7505 * file path. In that case, find the file client side. */
7506 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7507 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7508 }
7509 if (r == -ERFKILL)
7510 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7511 if (r < 0)
7512 return r;
7513
7514 if (r == 0) {
7515 assert(!path);
7516
7517 if (!arg_force) {
7518 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7519 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7520 arg_scope == UNIT_FILE_USER ? " --user" : "",
7521 *name);
7522 return -ENOENT;
7523 }
7524
7525 /* Create a new unit from scratch */
7526 unit_name = *name;
7527 r = unit_file_create_new(&lp, unit_name,
7528 arg_full ? NULL : ".d/override.conf",
7529 &new_path, &tmp_path);
7530 } else {
7531 assert(path);
7532
7533 unit_name = basename(path);
7534 /* We follow unit aliases, but we need to propagate the instance */
7535 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7536 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7537 _cleanup_free_ char *instance = NULL;
7538
7539 r = unit_name_to_instance(*name, &instance);
7540 if (r < 0)
7541 return r;
7542
7543 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7544 if (r < 0)
7545 return r;
7546
7547 unit_name = tmp_name;
7548 }
7549
7550 if (arg_full)
7551 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7552 else
7553 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7554 }
7555 if (r < 0)
7556 return r;
7557
7558 r = strv_push_pair(paths, new_path, tmp_path);
7559 if (r < 0)
7560 return log_oom();
7561
7562 new_path = tmp_path = NULL;
7563 }
7564
7565 return 0;
7566 }
7567
7568 static int edit(int argc, char *argv[], void *userdata) {
7569 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7570 _cleanup_strv_free_ char **names = NULL;
7571 _cleanup_strv_free_ char **paths = NULL;
7572 char **original, **tmp;
7573 sd_bus *bus;
7574 int r;
7575
7576 if (!on_tty())
7577 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7578
7579 if (arg_transport != BUS_TRANSPORT_LOCAL)
7580 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7581
7582 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7583 if (r < 0)
7584 return log_error_errno(r, "Failed to determine unit paths: %m");
7585
7586 r = acquire_bus(BUS_MANAGER, &bus);
7587 if (r < 0)
7588 return r;
7589
7590 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7591 if (r < 0)
7592 return log_error_errno(r, "Failed to expand names: %m");
7593
7594 STRV_FOREACH(tmp, names) {
7595 r = unit_is_masked(bus, &lp, *tmp);
7596 if (r < 0)
7597 return r;
7598 if (r > 0)
7599 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7600 }
7601
7602 r = find_paths_to_edit(bus, names, &paths);
7603 if (r < 0)
7604 return r;
7605
7606 if (strv_isempty(paths))
7607 return -ENOENT;
7608
7609 r = run_editor(paths);
7610 if (r < 0)
7611 goto end;
7612
7613 STRV_FOREACH_PAIR(original, tmp, paths) {
7614 /* If the temporary file is empty we ignore it.
7615 * This allows the user to cancel the modification.
7616 */
7617 if (null_or_empty_path(*tmp)) {
7618 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7619 continue;
7620 }
7621
7622 r = rename(*tmp, *original);
7623 if (r < 0) {
7624 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7625 goto end;
7626 }
7627 }
7628
7629 r = 0;
7630
7631 if (!arg_no_reload && !install_client_side())
7632 r = daemon_reload(argc, argv, userdata);
7633
7634 end:
7635 STRV_FOREACH_PAIR(original, tmp, paths) {
7636 (void) unlink(*tmp);
7637
7638 /* Removing empty dropin dirs */
7639 if (!arg_full) {
7640 _cleanup_free_ char *dir;
7641
7642 dir = dirname_malloc(*original);
7643 if (!dir)
7644 return log_oom();
7645
7646 /* no need to check if the dir is empty, rmdir
7647 * does nothing if it is not the case.
7648 */
7649 (void) rmdir(dir);
7650 }
7651 }
7652
7653 return r;
7654 }
7655
7656 static int systemctl_help(void) {
7657 _cleanup_free_ char *link = NULL;
7658 int r;
7659
7660 (void) pager_open(arg_pager_flags);
7661
7662 r = terminal_urlify_man("systemctl", "1", &link);
7663 if (r < 0)
7664 return log_oom();
7665
7666 printf("%1$s [OPTIONS...] {COMMAND} ...\n\n"
7667 "Query or send control commands to the systemd manager.\n\n"
7668 " -h --help Show this help\n"
7669 " --version Show package version\n"
7670 " --system Connect to system manager\n"
7671 " --user Connect to user service manager\n"
7672 " -H --host=[USER@]HOST\n"
7673 " Operate on remote host\n"
7674 " -M --machine=CONTAINER\n"
7675 " Operate on local container\n"
7676 " -t --type=TYPE List units of a particular type\n"
7677 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7678 " --failed Shorcut for --state=failed\n"
7679 " -p --property=NAME Show only properties by this name\n"
7680 " -a --all Show all properties/all units currently in memory,\n"
7681 " including dead/empty ones. To list all units installed on\n"
7682 " the system, use the 'list-unit-files' command instead.\n"
7683 " -l --full Don't ellipsize unit names on output\n"
7684 " -r --recursive Show unit list of host and local containers\n"
7685 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7686 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7687 " queueing a new job\n"
7688 " -T --show-transaction\n"
7689 " When enqueuing a unit job, show full transaction\n"
7690 " --show-types When showing sockets, explicitly show their type\n"
7691 " --value When showing properties, only print the value\n"
7692 " -i --ignore-inhibitors\n"
7693 " When shutting down or sleeping, ignore inhibitors\n"
7694 " --kill-who=WHO Who to send signal to\n"
7695 " -s --signal=SIGNAL Which signal to send\n"
7696 " --now Start or stop unit in addition to enabling or disabling it\n"
7697 " --dry-run Only print what would be done\n"
7698 " -q --quiet Suppress output\n"
7699 " --wait For (re)start, wait until service stopped again\n"
7700 " For is-system-running, wait until startup is completed\n"
7701 " --no-block Do not wait until operation finished\n"
7702 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7703 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7704 " --no-legend Do not print a legend (column headers and hints)\n"
7705 " --no-pager Do not pipe output into a pager\n"
7706 " --no-ask-password\n"
7707 " Do not ask for system passwords\n"
7708 " --global Enable/disable/mask unit files globally\n"
7709 " --runtime Enable/disable/mask unit files temporarily until next\n"
7710 " reboot\n"
7711 " -f --force When enabling unit files, override existing symlinks\n"
7712 " When shutting down, execute action immediately\n"
7713 " --preset-mode= Apply only enable, only disable, or all presets\n"
7714 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7715 " directory\n"
7716 " -n --lines=INTEGER Number of journal entries to show\n"
7717 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7718 " short-iso, short-iso-precise, short-full,\n"
7719 " short-monotonic, short-unix,\n"
7720 " verbose, export, json, json-pretty, json-sse, cat)\n"
7721 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7722 " --boot-loader-menu=TIME\n"
7723 " Boot into boot loader menu on next boot\n"
7724 " --boot-loader-entry=NAME\n"
7725 " Boot into a specific boot loader entry on next boot\n"
7726 " --plain Print unit dependencies as a list instead of a tree\n\n"
7727 "%3$sUnit Commands:%4$s\n"
7728 " list-units [PATTERN...] List units currently in memory\n"
7729 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7730 " ordered by address\n"
7731 " list-timers [PATTERN...] List timer units currently in memory,\n"
7732 " ordered by next elapse\n"
7733 " start UNIT... Start (activate) one or more units\n"
7734 " stop UNIT... Stop (deactivate) one or more units\n"
7735 " reload UNIT... Reload one or more units\n"
7736 " restart UNIT... Start or restart one or more units\n"
7737 " try-restart UNIT... Restart one or more units if active\n"
7738 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7739 " otherwise start or restart\n"
7740 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7741 " if supported, otherwise restart\n"
7742 " isolate UNIT Start one unit and stop all others\n"
7743 " kill UNIT... Send signal to processes of a unit\n"
7744 " is-active PATTERN... Check whether units are active\n"
7745 " is-failed PATTERN... Check whether units are failed\n"
7746 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7747 " show [PATTERN...|JOB...] Show properties of one or more\n"
7748 " units/jobs or the manager\n"
7749 " cat PATTERN... Show files and drop-ins of specified units\n"
7750 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7751 " help PATTERN...|PID... Show manual for one or more units\n"
7752 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7753 " units\n"
7754 " list-dependencies [UNIT] Recursively show units which are required\n"
7755 " or wanted by this unit or by which this\n"
7756 " unit is required or wanted\n\n"
7757 "%3$sUnit File Commands:%4$s\n"
7758 " list-unit-files [PATTERN...] List installed unit files\n"
7759 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7760 " disable UNIT... Disable one or more unit files\n"
7761 " reenable UNIT... Reenable one or more unit files\n"
7762 " preset UNIT... Enable/disable one or more unit files\n"
7763 " based on preset configuration\n"
7764 " preset-all Enable/disable all unit files based on\n"
7765 " preset configuration\n"
7766 " is-enabled UNIT... Check whether unit files are enabled\n"
7767 " mask UNIT... Mask one or more units\n"
7768 " unmask UNIT... Unmask one or more units\n"
7769 " link PATH... Link one or more units files into\n"
7770 " the search path\n"
7771 " revert UNIT... Revert one or more unit files to vendor\n"
7772 " version\n"
7773 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7774 " on specified one or more units\n"
7775 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7776 " on specified one or more units\n"
7777 " edit UNIT... Edit one or more unit files\n"
7778 " get-default Get the name of the default target\n"
7779 " set-default TARGET Set the default target\n\n"
7780 "%3$sMachine Commands:%4$s\n"
7781 " list-machines [PATTERN...] List local containers and host\n\n"
7782 "%3$sJob Commands:%4$s\n"
7783 " list-jobs [PATTERN...] List jobs\n"
7784 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7785 "%3$sEnvironment Commands:%4$s\n"
7786 " show-environment Dump environment\n"
7787 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7788 " unset-environment VARIABLE... Unset one or more environment variables\n"
7789 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7790 "%3$sManager Lifecycle Commands:%4$s\n"
7791 " daemon-reload Reload systemd manager configuration\n"
7792 " daemon-reexec Reexecute systemd manager\n\n"
7793 "%3$sSystem Commands:%4$s\n"
7794 " is-system-running Check whether system is fully running\n"
7795 " default Enter system default mode\n"
7796 " rescue Enter system rescue mode\n"
7797 " emergency Enter system emergency mode\n"
7798 " halt Shut down and halt the system\n"
7799 " poweroff Shut down and power-off the system\n"
7800 " reboot [ARG] Shut down and reboot the system\n"
7801 " kexec Shut down and reboot the system with kexec\n"
7802 " exit [EXIT_CODE] Request user instance or container exit\n"
7803 " switch-root ROOT [INIT] Change to a different root file system\n"
7804 " suspend Suspend the system\n"
7805 " hibernate Hibernate the system\n"
7806 " hybrid-sleep Hibernate and suspend the system\n"
7807 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7808 " time and put it into hibernate\n"
7809 "\nSee the %2$s for details.\n"
7810 , program_invocation_short_name
7811 , link
7812 , ansi_underline(), ansi_normal()
7813 );
7814
7815 return 0;
7816 }
7817
7818 static int halt_help(void) {
7819 _cleanup_free_ char *link = NULL;
7820 int r;
7821
7822 r = terminal_urlify_man("halt", "8", &link);
7823 if (r < 0)
7824 return log_oom();
7825
7826 printf("%s [OPTIONS...]%s\n\n"
7827 "%s the system.\n\n"
7828 " --help Show this help\n"
7829 " --halt Halt the machine\n"
7830 " -p --poweroff Switch off the machine\n"
7831 " --reboot Reboot the machine\n"
7832 " -f --force Force immediate halt/power-off/reboot\n"
7833 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7834 " -d --no-wtmp Don't write wtmp record\n"
7835 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7836 "\nSee the %s for details.\n"
7837 , program_invocation_short_name
7838 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7839 arg_action == ACTION_REBOOT ? "Reboot" :
7840 arg_action == ACTION_POWEROFF ? "Power off" :
7841 "Halt"
7842 , link
7843 );
7844
7845 return 0;
7846 }
7847
7848 static int shutdown_help(void) {
7849 _cleanup_free_ char *link = NULL;
7850 int r;
7851
7852 r = terminal_urlify_man("shutdown", "8", &link);
7853 if (r < 0)
7854 return log_oom();
7855
7856 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7857 "Shut down the system.\n\n"
7858 " --help Show this help\n"
7859 " -H --halt Halt the machine\n"
7860 " -P --poweroff Power-off the machine\n"
7861 " -r --reboot Reboot the machine\n"
7862 " -h Equivalent to --poweroff, overridden by --halt\n"
7863 " -k Don't halt/power-off/reboot, just send warnings\n"
7864 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7865 " -c Cancel a pending shutdown\n"
7866 "\nSee the %s for details.\n"
7867 , program_invocation_short_name
7868 , link
7869 );
7870
7871 return 0;
7872 }
7873
7874 static int telinit_help(void) {
7875 _cleanup_free_ char *link = NULL;
7876 int r;
7877
7878 r = terminal_urlify_man("telinit", "8", &link);
7879 if (r < 0)
7880 return log_oom();
7881
7882 printf("%s [OPTIONS...] {COMMAND}\n\n"
7883 "Send control commands to the init daemon.\n\n"
7884 " --help Show this help\n"
7885 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7886 "Commands:\n"
7887 " 0 Power-off the machine\n"
7888 " 6 Reboot the machine\n"
7889 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7890 " 1, s, S Enter rescue mode\n"
7891 " q, Q Reload init daemon configuration\n"
7892 " u, U Reexecute init daemon\n"
7893 "\nSee the %s for details.\n"
7894 , program_invocation_short_name
7895 , link
7896 );
7897
7898 return 0;
7899 }
7900
7901 static int runlevel_help(void) {
7902 _cleanup_free_ char *link = NULL;
7903 int r;
7904
7905 r = terminal_urlify_man("runlevel", "8", &link);
7906 if (r < 0)
7907 return log_oom();
7908
7909 printf("%s [OPTIONS...]\n\n"
7910 "Prints the previous and current runlevel of the init system.\n\n"
7911 " --help Show this help\n"
7912 "\nSee the %s for details.\n"
7913 , program_invocation_short_name
7914 , link
7915 );
7916
7917 return 0;
7918 }
7919
7920 static void help_types(void) {
7921 if (!arg_no_legend)
7922 puts("Available unit types:");
7923
7924 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7925 }
7926
7927 static void help_states(void) {
7928 if (!arg_no_legend)
7929 puts("Available unit load states:");
7930 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7931
7932 if (!arg_no_legend)
7933 puts("\nAvailable unit active states:");
7934 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7935
7936 if (!arg_no_legend)
7937 puts("\nAvailable automount unit substates:");
7938 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7939
7940 if (!arg_no_legend)
7941 puts("\nAvailable device unit substates:");
7942 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7943
7944 if (!arg_no_legend)
7945 puts("\nAvailable mount unit substates:");
7946 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7947
7948 if (!arg_no_legend)
7949 puts("\nAvailable path unit substates:");
7950 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7951
7952 if (!arg_no_legend)
7953 puts("\nAvailable scope unit substates:");
7954 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7955
7956 if (!arg_no_legend)
7957 puts("\nAvailable service unit substates:");
7958 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7959
7960 if (!arg_no_legend)
7961 puts("\nAvailable slice unit substates:");
7962 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7963
7964 if (!arg_no_legend)
7965 puts("\nAvailable socket unit substates:");
7966 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7967
7968 if (!arg_no_legend)
7969 puts("\nAvailable swap unit substates:");
7970 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7971
7972 if (!arg_no_legend)
7973 puts("\nAvailable target unit substates:");
7974 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7975
7976 if (!arg_no_legend)
7977 puts("\nAvailable timer unit substates:");
7978 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7979 }
7980
7981 static int help_boot_loader_entry(void) {
7982 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7983 _cleanup_free_ char **l = NULL;
7984 sd_bus *bus;
7985 char **i;
7986 int r;
7987
7988 r = acquire_bus(BUS_FULL, &bus);
7989 if (r < 0)
7990 return r;
7991
7992 r = sd_bus_get_property_strv(
7993 bus,
7994 "org.freedesktop.login1",
7995 "/org/freedesktop/login1",
7996 "org.freedesktop.login1.Manager",
7997 "BootLoaderEntries",
7998 &error,
7999 &l);
8000 if (r < 0)
8001 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
8002
8003 if (strv_isempty(l))
8004 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
8005
8006 STRV_FOREACH(i, l)
8007 puts(*i);
8008
8009 return 0;
8010 }
8011
8012 static int systemctl_parse_argv(int argc, char *argv[]) {
8013 enum {
8014 ARG_FAIL = 0x100,
8015 ARG_REVERSE,
8016 ARG_AFTER,
8017 ARG_BEFORE,
8018 ARG_DRY_RUN,
8019 ARG_SHOW_TYPES,
8020 ARG_IRREVERSIBLE,
8021 ARG_IGNORE_DEPENDENCIES,
8022 ARG_VALUE,
8023 ARG_VERSION,
8024 ARG_USER,
8025 ARG_SYSTEM,
8026 ARG_GLOBAL,
8027 ARG_NO_BLOCK,
8028 ARG_NO_LEGEND,
8029 ARG_NO_PAGER,
8030 ARG_NO_WALL,
8031 ARG_ROOT,
8032 ARG_NO_RELOAD,
8033 ARG_KILL_WHO,
8034 ARG_NO_ASK_PASSWORD,
8035 ARG_FAILED,
8036 ARG_RUNTIME,
8037 ARG_PLAIN,
8038 ARG_STATE,
8039 ARG_JOB_MODE,
8040 ARG_PRESET_MODE,
8041 ARG_FIRMWARE_SETUP,
8042 ARG_BOOT_LOADER_MENU,
8043 ARG_BOOT_LOADER_ENTRY,
8044 ARG_NOW,
8045 ARG_MESSAGE,
8046 ARG_WAIT,
8047 };
8048
8049 static const struct option options[] = {
8050 { "help", no_argument, NULL, 'h' },
8051 { "version", no_argument, NULL, ARG_VERSION },
8052 { "type", required_argument, NULL, 't' },
8053 { "property", required_argument, NULL, 'p' },
8054 { "all", no_argument, NULL, 'a' },
8055 { "reverse", no_argument, NULL, ARG_REVERSE },
8056 { "after", no_argument, NULL, ARG_AFTER },
8057 { "before", no_argument, NULL, ARG_BEFORE },
8058 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8059 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8060 { "full", no_argument, NULL, 'l' },
8061 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8062 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8063 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8064 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8065 { "ignore-inhibitors", no_argument, NULL, 'i' },
8066 { "value", no_argument, NULL, ARG_VALUE },
8067 { "user", no_argument, NULL, ARG_USER },
8068 { "system", no_argument, NULL, ARG_SYSTEM },
8069 { "global", no_argument, NULL, ARG_GLOBAL },
8070 { "wait", no_argument, NULL, ARG_WAIT },
8071 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8072 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8073 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8074 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8075 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8076 { "quiet", no_argument, NULL, 'q' },
8077 { "root", required_argument, NULL, ARG_ROOT },
8078 { "force", no_argument, NULL, 'f' },
8079 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8080 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8081 { "signal", required_argument, NULL, 's' },
8082 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8083 { "host", required_argument, NULL, 'H' },
8084 { "machine", required_argument, NULL, 'M' },
8085 { "runtime", no_argument, NULL, ARG_RUNTIME },
8086 { "lines", required_argument, NULL, 'n' },
8087 { "output", required_argument, NULL, 'o' },
8088 { "plain", no_argument, NULL, ARG_PLAIN },
8089 { "state", required_argument, NULL, ARG_STATE },
8090 { "recursive", no_argument, NULL, 'r' },
8091 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8092 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8093 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8094 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8095 { "now", no_argument, NULL, ARG_NOW },
8096 { "message", required_argument, NULL, ARG_MESSAGE },
8097 { "show-transaction", no_argument, NULL, 'T' },
8098 {}
8099 };
8100
8101 int c, r;
8102
8103 assert(argc >= 0);
8104 assert(argv);
8105
8106 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8107 arg_ask_password = true;
8108
8109 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8110
8111 switch (c) {
8112
8113 case 'h':
8114 return systemctl_help();
8115
8116 case ARG_VERSION:
8117 return version();
8118
8119 case 't': {
8120 const char *p;
8121
8122 if (isempty(optarg))
8123 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8124 "--type= requires arguments.");
8125
8126 for (p = optarg;;) {
8127 _cleanup_free_ char *type = NULL;
8128
8129 r = extract_first_word(&p, &type, ",", 0);
8130 if (r < 0)
8131 return log_error_errno(r, "Failed to parse type: %s", optarg);
8132 if (r == 0)
8133 break;
8134
8135 if (streq(type, "help")) {
8136 help_types();
8137 return 0;
8138 }
8139
8140 if (unit_type_from_string(type) >= 0) {
8141 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8142 return log_oom();
8143 continue;
8144 }
8145
8146 /* It's much nicer to use --state= for
8147 * load states, but let's support this
8148 * in --types= too for compatibility
8149 * with old versions */
8150 if (unit_load_state_from_string(type) >= 0) {
8151 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8152 return log_oom();
8153 continue;
8154 }
8155
8156 log_error("Unknown unit type or load state '%s'.", type);
8157 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8158 "Use -t help to see a list of allowed values.");
8159 }
8160
8161 break;
8162 }
8163
8164 case 'p':
8165 /* Make sure that if the empty property list was specified, we won't show any
8166 properties. */
8167 if (isempty(optarg) && !arg_properties) {
8168 arg_properties = new0(char*, 1);
8169 if (!arg_properties)
8170 return log_oom();
8171 } else {
8172 const char *p;
8173
8174 for (p = optarg;;) {
8175 _cleanup_free_ char *prop = NULL;
8176
8177 r = extract_first_word(&p, &prop, ",", 0);
8178 if (r < 0)
8179 return log_error_errno(r, "Failed to parse property: %s", optarg);
8180 if (r == 0)
8181 break;
8182
8183 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8184 return log_oom();
8185 }
8186 }
8187
8188 /* If the user asked for a particular
8189 * property, show it to him, even if it is
8190 * empty. */
8191 arg_all = true;
8192
8193 break;
8194
8195 case 'a':
8196 arg_all = true;
8197 break;
8198
8199 case ARG_REVERSE:
8200 arg_dependency = DEPENDENCY_REVERSE;
8201 break;
8202
8203 case ARG_AFTER:
8204 arg_dependency = DEPENDENCY_AFTER;
8205 arg_jobs_after = true;
8206 break;
8207
8208 case ARG_BEFORE:
8209 arg_dependency = DEPENDENCY_BEFORE;
8210 arg_jobs_before = true;
8211 break;
8212
8213 case ARG_SHOW_TYPES:
8214 arg_show_types = true;
8215 break;
8216
8217 case ARG_VALUE:
8218 arg_value = true;
8219 break;
8220
8221 case ARG_JOB_MODE:
8222 arg_job_mode = optarg;
8223 break;
8224
8225 case ARG_FAIL:
8226 arg_job_mode = "fail";
8227 break;
8228
8229 case ARG_IRREVERSIBLE:
8230 arg_job_mode = "replace-irreversibly";
8231 break;
8232
8233 case ARG_IGNORE_DEPENDENCIES:
8234 arg_job_mode = "ignore-dependencies";
8235 break;
8236
8237 case ARG_USER:
8238 arg_scope = UNIT_FILE_USER;
8239 break;
8240
8241 case ARG_SYSTEM:
8242 arg_scope = UNIT_FILE_SYSTEM;
8243 break;
8244
8245 case ARG_GLOBAL:
8246 arg_scope = UNIT_FILE_GLOBAL;
8247 break;
8248
8249 case ARG_WAIT:
8250 arg_wait = true;
8251 break;
8252
8253 case ARG_NO_BLOCK:
8254 arg_no_block = true;
8255 break;
8256
8257 case ARG_NO_LEGEND:
8258 arg_no_legend = true;
8259 break;
8260
8261 case ARG_NO_PAGER:
8262 arg_pager_flags |= PAGER_DISABLE;
8263 break;
8264
8265 case ARG_NO_WALL:
8266 arg_no_wall = true;
8267 break;
8268
8269 case ARG_ROOT:
8270 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8271 if (r < 0)
8272 return r;
8273 break;
8274
8275 case 'l':
8276 arg_full = true;
8277 break;
8278
8279 case ARG_FAILED:
8280 if (strv_extend(&arg_states, "failed") < 0)
8281 return log_oom();
8282
8283 break;
8284
8285 case ARG_DRY_RUN:
8286 arg_dry_run = true;
8287 break;
8288
8289 case 'q':
8290 arg_quiet = true;
8291 break;
8292
8293 case 'f':
8294 arg_force++;
8295 break;
8296
8297 case ARG_NO_RELOAD:
8298 arg_no_reload = true;
8299 break;
8300
8301 case ARG_KILL_WHO:
8302 arg_kill_who = optarg;
8303 break;
8304
8305 case 's':
8306 if (streq(optarg, "help")) {
8307 DUMP_STRING_TABLE(signal, int, _NSIG);
8308 return 0;
8309 }
8310
8311 arg_signal = signal_from_string(optarg);
8312 if (arg_signal < 0)
8313 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8314 "Failed to parse signal string %s.",
8315 optarg);
8316 break;
8317
8318 case ARG_NO_ASK_PASSWORD:
8319 arg_ask_password = false;
8320 break;
8321
8322 case 'H':
8323 arg_transport = BUS_TRANSPORT_REMOTE;
8324 arg_host = optarg;
8325 break;
8326
8327 case 'M':
8328 arg_transport = BUS_TRANSPORT_MACHINE;
8329 arg_host = optarg;
8330 break;
8331
8332 case ARG_RUNTIME:
8333 arg_runtime = true;
8334 break;
8335
8336 case 'n':
8337 if (safe_atou(optarg, &arg_lines) < 0)
8338 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8339 "Failed to parse lines '%s'",
8340 optarg);
8341 break;
8342
8343 case 'o':
8344 if (streq(optarg, "help")) {
8345 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8346 return 0;
8347 }
8348
8349 arg_output = output_mode_from_string(optarg);
8350 if (arg_output < 0)
8351 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8352 "Unknown output '%s'.",
8353 optarg);
8354 break;
8355
8356 case 'i':
8357 arg_ignore_inhibitors = true;
8358 break;
8359
8360 case ARG_PLAIN:
8361 arg_plain = true;
8362 break;
8363
8364 case ARG_FIRMWARE_SETUP:
8365 arg_firmware_setup = true;
8366 break;
8367
8368 case ARG_BOOT_LOADER_MENU:
8369
8370 r = parse_sec(optarg, &arg_boot_loader_menu);
8371 if (r < 0)
8372 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8373
8374 break;
8375
8376 case ARG_BOOT_LOADER_ENTRY:
8377
8378 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8379 r = help_boot_loader_entry();
8380 if (r < 0)
8381 return r;
8382
8383 return 0;
8384 }
8385
8386 arg_boot_loader_entry = empty_to_null(optarg);
8387 break;
8388
8389 case ARG_STATE: {
8390 const char *p;
8391
8392 if (isempty(optarg))
8393 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8394 "--state= requires arguments.");
8395
8396 for (p = optarg;;) {
8397 _cleanup_free_ char *s = NULL;
8398
8399 r = extract_first_word(&p, &s, ",", 0);
8400 if (r < 0)
8401 return log_error_errno(r, "Failed to parse state: %s", optarg);
8402 if (r == 0)
8403 break;
8404
8405 if (streq(s, "help")) {
8406 help_states();
8407 return 0;
8408 }
8409
8410 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8411 return log_oom();
8412 }
8413 break;
8414 }
8415
8416 case 'r':
8417 if (geteuid() != 0)
8418 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8419 "--recursive requires root privileges.");
8420
8421 arg_recursive = true;
8422 break;
8423
8424 case ARG_PRESET_MODE:
8425 if (streq(optarg, "help")) {
8426 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8427 return 0;
8428 }
8429
8430 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8431 if (arg_preset_mode < 0)
8432 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8433 "Failed to parse preset mode: %s.", optarg);
8434
8435 break;
8436
8437 case ARG_NOW:
8438 arg_now = true;
8439 break;
8440
8441 case ARG_MESSAGE:
8442 if (strv_extend(&arg_wall, optarg) < 0)
8443 return log_oom();
8444 break;
8445
8446 case 'T':
8447 arg_show_transaction = true;
8448 break;
8449
8450 case '.':
8451 /* Output an error mimicking getopt, and print a hint afterwards */
8452 log_error("%s: invalid option -- '.'", program_invocation_name);
8453 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8454 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8455 program_invocation_name, optarg ?: "mount");
8456 _fallthrough_;
8457
8458 case '?':
8459 return -EINVAL;
8460
8461 default:
8462 assert_not_reached("Unhandled option");
8463 }
8464
8465 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8466 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8467 "Cannot access user instance remotely.");
8468
8469 if (arg_wait && arg_no_block)
8470 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8471 "--wait may not be combined with --no-block.");
8472
8473 return 1;
8474 }
8475
8476 static int halt_parse_argv(int argc, char *argv[]) {
8477 enum {
8478 ARG_HELP = 0x100,
8479 ARG_HALT,
8480 ARG_REBOOT,
8481 ARG_NO_WALL
8482 };
8483
8484 static const struct option options[] = {
8485 { "help", no_argument, NULL, ARG_HELP },
8486 { "halt", no_argument, NULL, ARG_HALT },
8487 { "poweroff", no_argument, NULL, 'p' },
8488 { "reboot", no_argument, NULL, ARG_REBOOT },
8489 { "force", no_argument, NULL, 'f' },
8490 { "wtmp-only", no_argument, NULL, 'w' },
8491 { "no-wtmp", no_argument, NULL, 'd' },
8492 { "no-sync", no_argument, NULL, 'n' },
8493 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8494 {}
8495 };
8496
8497 int c, r, runlevel;
8498
8499 assert(argc >= 0);
8500 assert(argv);
8501
8502 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8503 if (IN_SET(runlevel, '0', '6'))
8504 arg_force = 2;
8505
8506 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8507 switch (c) {
8508
8509 case ARG_HELP:
8510 return halt_help();
8511
8512 case ARG_HALT:
8513 arg_action = ACTION_HALT;
8514 break;
8515
8516 case 'p':
8517 if (arg_action != ACTION_REBOOT)
8518 arg_action = ACTION_POWEROFF;
8519 break;
8520
8521 case ARG_REBOOT:
8522 arg_action = ACTION_REBOOT;
8523 break;
8524
8525 case 'f':
8526 arg_force = 2;
8527 break;
8528
8529 case 'w':
8530 arg_dry_run = true;
8531 break;
8532
8533 case 'd':
8534 arg_no_wtmp = true;
8535 break;
8536
8537 case 'n':
8538 arg_no_sync = true;
8539 break;
8540
8541 case ARG_NO_WALL:
8542 arg_no_wall = true;
8543 break;
8544
8545 case 'i':
8546 case 'h':
8547 /* Compatibility nops */
8548 break;
8549
8550 case '?':
8551 return -EINVAL;
8552
8553 default:
8554 assert_not_reached("Unhandled option");
8555 }
8556
8557 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8558 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8559 if (r < 0)
8560 return r;
8561 } else if (optind < argc)
8562 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8563 "Too many arguments.");
8564
8565 return 1;
8566 }
8567
8568 static int shutdown_parse_argv(int argc, char *argv[]) {
8569 enum {
8570 ARG_HELP = 0x100,
8571 ARG_NO_WALL
8572 };
8573
8574 static const struct option options[] = {
8575 { "help", no_argument, NULL, ARG_HELP },
8576 { "halt", no_argument, NULL, 'H' },
8577 { "poweroff", no_argument, NULL, 'P' },
8578 { "reboot", no_argument, NULL, 'r' },
8579 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8580 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8581 {}
8582 };
8583
8584 char **wall = NULL;
8585 int c, r;
8586
8587 assert(argc >= 0);
8588 assert(argv);
8589
8590 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8591 switch (c) {
8592
8593 case ARG_HELP:
8594 return shutdown_help();
8595
8596 case 'H':
8597 arg_action = ACTION_HALT;
8598 break;
8599
8600 case 'P':
8601 arg_action = ACTION_POWEROFF;
8602 break;
8603
8604 case 'r':
8605 if (kexec_loaded())
8606 arg_action = ACTION_KEXEC;
8607 else
8608 arg_action = ACTION_REBOOT;
8609 break;
8610
8611 case 'K':
8612 arg_action = ACTION_KEXEC;
8613 break;
8614
8615 case 'h':
8616 if (arg_action != ACTION_HALT)
8617 arg_action = ACTION_POWEROFF;
8618 break;
8619
8620 case 'k':
8621 arg_dry_run = true;
8622 break;
8623
8624 case ARG_NO_WALL:
8625 arg_no_wall = true;
8626 break;
8627
8628 case 'a':
8629 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8630 case 'f':
8631 case 'F':
8632 /* Compatibility nops */
8633 break;
8634
8635 case 'c':
8636 arg_action = ACTION_CANCEL_SHUTDOWN;
8637 break;
8638
8639 case '?':
8640 return -EINVAL;
8641
8642 default:
8643 assert_not_reached("Unhandled option");
8644 }
8645
8646 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8647 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8648 if (r < 0) {
8649 log_error("Failed to parse time specification: %s", argv[optind]);
8650 return r;
8651 }
8652 } else
8653 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8654
8655 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8656 /* No time argument for shutdown cancel */
8657 wall = argv + optind;
8658 else if (argc > optind + 1)
8659 /* We skip the time argument */
8660 wall = argv + optind + 1;
8661
8662 if (wall) {
8663 arg_wall = strv_copy(wall);
8664 if (!arg_wall)
8665 return log_oom();
8666 }
8667
8668 optind = argc;
8669
8670 return 1;
8671 }
8672
8673 static int telinit_parse_argv(int argc, char *argv[]) {
8674 enum {
8675 ARG_HELP = 0x100,
8676 ARG_NO_WALL
8677 };
8678
8679 static const struct option options[] = {
8680 { "help", no_argument, NULL, ARG_HELP },
8681 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8682 {}
8683 };
8684
8685 static const struct {
8686 char from;
8687 enum action to;
8688 } table[] = {
8689 { '0', ACTION_POWEROFF },
8690 { '6', ACTION_REBOOT },
8691 { '1', ACTION_RESCUE },
8692 { '2', ACTION_RUNLEVEL2 },
8693 { '3', ACTION_RUNLEVEL3 },
8694 { '4', ACTION_RUNLEVEL4 },
8695 { '5', ACTION_RUNLEVEL5 },
8696 { 's', ACTION_RESCUE },
8697 { 'S', ACTION_RESCUE },
8698 { 'q', ACTION_RELOAD },
8699 { 'Q', ACTION_RELOAD },
8700 { 'u', ACTION_REEXEC },
8701 { 'U', ACTION_REEXEC }
8702 };
8703
8704 unsigned i;
8705 int c;
8706
8707 assert(argc >= 0);
8708 assert(argv);
8709
8710 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8711 switch (c) {
8712
8713 case ARG_HELP:
8714 return telinit_help();
8715
8716 case ARG_NO_WALL:
8717 arg_no_wall = true;
8718 break;
8719
8720 case '?':
8721 return -EINVAL;
8722
8723 default:
8724 assert_not_reached("Unhandled option");
8725 }
8726
8727 if (optind >= argc)
8728 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8729 "%s: required argument missing.",
8730 program_invocation_short_name);
8731
8732 if (optind + 1 < argc)
8733 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8734 "Too many arguments.");
8735
8736 if (strlen(argv[optind]) != 1)
8737 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8738 "Expected single character argument.");
8739
8740 for (i = 0; i < ELEMENTSOF(table); i++)
8741 if (table[i].from == argv[optind][0])
8742 break;
8743
8744 if (i >= ELEMENTSOF(table))
8745 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8746 "Unknown command '%s'.", argv[optind]);
8747
8748 arg_action = table[i].to;
8749
8750 optind++;
8751
8752 return 1;
8753 }
8754
8755 static int runlevel_parse_argv(int argc, char *argv[]) {
8756 enum {
8757 ARG_HELP = 0x100,
8758 };
8759
8760 static const struct option options[] = {
8761 { "help", no_argument, NULL, ARG_HELP },
8762 {}
8763 };
8764
8765 int c;
8766
8767 assert(argc >= 0);
8768 assert(argv);
8769
8770 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8771 switch (c) {
8772
8773 case ARG_HELP:
8774 return runlevel_help();
8775
8776 case '?':
8777 return -EINVAL;
8778
8779 default:
8780 assert_not_reached("Unhandled option");
8781 }
8782
8783 if (optind < argc)
8784 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8785 "Too many arguments.");
8786
8787 return 1;
8788 }
8789
8790 static int parse_argv(int argc, char *argv[]) {
8791 assert(argc >= 0);
8792 assert(argv);
8793
8794 if (program_invocation_short_name) {
8795
8796 if (strstr(program_invocation_short_name, "halt")) {
8797 arg_action = ACTION_HALT;
8798 return halt_parse_argv(argc, argv);
8799
8800 } else if (strstr(program_invocation_short_name, "poweroff")) {
8801 arg_action = ACTION_POWEROFF;
8802 return halt_parse_argv(argc, argv);
8803
8804 } else if (strstr(program_invocation_short_name, "reboot")) {
8805 if (kexec_loaded())
8806 arg_action = ACTION_KEXEC;
8807 else
8808 arg_action = ACTION_REBOOT;
8809 return halt_parse_argv(argc, argv);
8810
8811 } else if (strstr(program_invocation_short_name, "shutdown")) {
8812 arg_action = ACTION_POWEROFF;
8813 return shutdown_parse_argv(argc, argv);
8814
8815 } else if (strstr(program_invocation_short_name, "init")) {
8816
8817 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8818 * 1 on SysV.
8819 *
8820 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8821 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8822 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8823 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8824 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8825 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8826 * quick way to match both.
8827 *
8828 * Also see redirect_telinit() in src/core/main.c. */
8829
8830 if (sd_booted() > 0) {
8831 arg_action = _ACTION_INVALID;
8832 return telinit_parse_argv(argc, argv);
8833 } else {
8834 /* Hmm, so some other init system is running, we need to forward this request to
8835 * it. For now we simply guess that it is Upstart. */
8836
8837 (void) rlimit_nofile_safe();
8838 execv(TELINIT, argv);
8839
8840 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8841 "Couldn't find an alternative telinit implementation to spawn.");
8842 }
8843
8844 } else if (strstr(program_invocation_short_name, "runlevel")) {
8845 arg_action = ACTION_RUNLEVEL;
8846 return runlevel_parse_argv(argc, argv);
8847 }
8848 }
8849
8850 arg_action = ACTION_SYSTEMCTL;
8851 return systemctl_parse_argv(argc, argv);
8852 }
8853
8854 #if HAVE_SYSV_COMPAT
8855 _pure_ static int action_to_runlevel(void) {
8856 static const char table[_ACTION_MAX] = {
8857 [ACTION_HALT] = '0',
8858 [ACTION_POWEROFF] = '0',
8859 [ACTION_REBOOT] = '6',
8860 [ACTION_RUNLEVEL2] = '2',
8861 [ACTION_RUNLEVEL3] = '3',
8862 [ACTION_RUNLEVEL4] = '4',
8863 [ACTION_RUNLEVEL5] = '5',
8864 [ACTION_RESCUE] = '1'
8865 };
8866
8867 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8868 return table[arg_action];
8869 }
8870 #endif
8871
8872 static int systemctl_main(int argc, char *argv[]) {
8873 static const Verb verbs[] = {
8874 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8875 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8876 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8877 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8878 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8879 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8880 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8881 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8882 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8883 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8884 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8885 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8886 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8887 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8888 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8889 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8890 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8891 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8892 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8893 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8894 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8895 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8896 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8897 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8898 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8899 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8900 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8901 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8902 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8903 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8904 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8905 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8906 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8907 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8908 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8909 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8910 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8911 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8912 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8913 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8914 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8915 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8916 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8917 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8918 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8919 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8920 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8921 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8922 { "enable", 2, VERB_ANY, 0, enable_unit },
8923 { "disable", 2, VERB_ANY, 0, enable_unit },
8924 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8925 { "reenable", 2, VERB_ANY, 0, enable_unit },
8926 { "preset", 2, VERB_ANY, 0, enable_unit },
8927 { "preset-all", VERB_ANY, 1, 0, preset_all },
8928 { "mask", 2, VERB_ANY, 0, enable_unit },
8929 { "unmask", 2, VERB_ANY, 0, enable_unit },
8930 { "link", 2, VERB_ANY, 0, enable_unit },
8931 { "revert", 2, VERB_ANY, 0, enable_unit },
8932 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8933 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8934 { "set-default", 2, 2, 0, set_default },
8935 { "get-default", VERB_ANY, 1, 0, get_default },
8936 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8937 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8938 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8939 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8940 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8941 {}
8942 };
8943
8944 return dispatch_verb(argc, argv, verbs, NULL);
8945 }
8946
8947 static int reload_with_fallback(void) {
8948 /* First, try systemd via D-Bus. */
8949 if (daemon_reload(0, NULL, NULL) >= 0)
8950 return 0;
8951
8952 /* Nothing else worked, so let's try signals */
8953 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8954
8955 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8956 return log_error_errno(errno, "kill() failed: %m");
8957
8958 return 0;
8959 }
8960
8961 static int start_with_fallback(void) {
8962 /* First, try systemd via D-Bus. */
8963 if (start_unit(0, NULL, NULL) == 0)
8964 return 0;
8965
8966 #if HAVE_SYSV_COMPAT
8967 /* Nothing else worked, so let's try /dev/initctl */
8968 if (talk_initctl(action_to_runlevel()) > 0)
8969 return 0;
8970 #endif
8971
8972 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8973 "Failed to talk to init daemon.");
8974 }
8975
8976 static int halt_now(enum action a) {
8977 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8978 * synced explicitly in advance. */
8979 if (!arg_no_sync && !arg_dry_run)
8980 (void) sync();
8981
8982 /* Make sure C-A-D is handled by the kernel from this point on... */
8983 if (!arg_dry_run)
8984 (void) reboot(RB_ENABLE_CAD);
8985
8986 switch (a) {
8987
8988 case ACTION_HALT:
8989 if (!arg_quiet)
8990 log_info("Halting.");
8991 if (arg_dry_run)
8992 return 0;
8993 (void) reboot(RB_HALT_SYSTEM);
8994 return -errno;
8995
8996 case ACTION_POWEROFF:
8997 if (!arg_quiet)
8998 log_info("Powering off.");
8999 if (arg_dry_run)
9000 return 0;
9001 (void) reboot(RB_POWER_OFF);
9002 return -errno;
9003
9004 case ACTION_KEXEC:
9005 case ACTION_REBOOT:
9006 return reboot_with_parameter(REBOOT_FALLBACK |
9007 (arg_quiet ? 0 : REBOOT_LOG) |
9008 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9009
9010 default:
9011 assert_not_reached("Unknown action.");
9012 }
9013 }
9014
9015 static int logind_schedule_shutdown(void) {
9016
9017 #if ENABLE_LOGIND
9018 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9019 char date[FORMAT_TIMESTAMP_MAX];
9020 const char *action;
9021 sd_bus *bus;
9022 int r;
9023
9024 r = acquire_bus(BUS_FULL, &bus);
9025 if (r < 0)
9026 return r;
9027
9028 switch (arg_action) {
9029 case ACTION_HALT:
9030 action = "halt";
9031 break;
9032 case ACTION_POWEROFF:
9033 action = "poweroff";
9034 break;
9035 case ACTION_KEXEC:
9036 action = "kexec";
9037 break;
9038 case ACTION_EXIT:
9039 action = "exit";
9040 break;
9041 case ACTION_REBOOT:
9042 default:
9043 action = "reboot";
9044 break;
9045 }
9046
9047 if (arg_dry_run)
9048 action = strjoina("dry-", action);
9049
9050 (void) logind_set_wall_message();
9051
9052 r = sd_bus_call_method(
9053 bus,
9054 "org.freedesktop.login1",
9055 "/org/freedesktop/login1",
9056 "org.freedesktop.login1.Manager",
9057 "ScheduleShutdown",
9058 &error,
9059 NULL,
9060 "st",
9061 action,
9062 arg_when);
9063 if (r < 0)
9064 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9065
9066 if (!arg_quiet)
9067 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9068 return 0;
9069 #else
9070 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9071 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9072 #endif
9073 }
9074
9075 static int halt_main(void) {
9076 int r;
9077
9078 r = logind_check_inhibitors(arg_action);
9079 if (r < 0)
9080 return r;
9081
9082 /* Delayed shutdown requested, and was successful */
9083 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9084 return 0;
9085 /* no delay, or logind failed or is not at all available */
9086
9087 if (geteuid() != 0) {
9088 if (arg_dry_run || arg_force > 0) {
9089 (void) must_be_root();
9090 return -EPERM;
9091 }
9092
9093 /* Try logind if we are a normal user and no special
9094 * mode applies. Maybe polkit allows us to shutdown
9095 * the machine. */
9096 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9097 r = logind_reboot(arg_action);
9098 if (r >= 0)
9099 return r;
9100 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9101 /* requested operation is not
9102 * supported on the local system or
9103 * already in progress */
9104 return r;
9105 /* on all other errors, try low-level operation */
9106 }
9107 }
9108
9109 /* In order to minimize the difference between operation with and
9110 * without logind, we explicitly enable non-blocking mode for this,
9111 * as logind's shutdown operations are always non-blocking. */
9112 arg_no_block = true;
9113
9114 if (!arg_dry_run && !arg_force)
9115 return start_with_fallback();
9116
9117 assert(geteuid() == 0);
9118
9119 if (!arg_no_wtmp) {
9120 if (sd_booted() > 0)
9121 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9122 else {
9123 r = utmp_put_shutdown();
9124 if (r < 0)
9125 log_warning_errno(r, "Failed to write utmp record: %m");
9126 }
9127 }
9128
9129 if (arg_dry_run)
9130 return 0;
9131
9132 r = halt_now(arg_action);
9133 return log_error_errno(r, "Failed to reboot: %m");
9134 }
9135
9136 static int runlevel_main(void) {
9137 int r, runlevel, previous;
9138
9139 r = utmp_get_runlevel(&runlevel, &previous);
9140 if (r < 0) {
9141 puts("unknown");
9142 return r;
9143 }
9144
9145 printf("%c %c\n",
9146 previous <= 0 ? 'N' : previous,
9147 runlevel <= 0 ? 'N' : runlevel);
9148
9149 return 0;
9150 }
9151
9152 static int logind_cancel_shutdown(void) {
9153 #if ENABLE_LOGIND
9154 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9155 sd_bus *bus;
9156 int r;
9157
9158 r = acquire_bus(BUS_FULL, &bus);
9159 if (r < 0)
9160 return r;
9161
9162 (void) logind_set_wall_message();
9163
9164 r = sd_bus_call_method(
9165 bus,
9166 "org.freedesktop.login1",
9167 "/org/freedesktop/login1",
9168 "org.freedesktop.login1.Manager",
9169 "CancelScheduledShutdown",
9170 &error,
9171 NULL, NULL);
9172 if (r < 0)
9173 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9174
9175 return 0;
9176 #else
9177 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9178 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9179 #endif
9180 }
9181
9182 static int run(int argc, char *argv[]) {
9183 int r;
9184
9185 setlocale(LC_ALL, "");
9186 log_parse_environment();
9187 log_open();
9188
9189 /* The journal merging logic potentially needs a lot of fds. */
9190 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9191
9192 sigbus_install();
9193
9194 /* Explicitly not on_tty() to avoid setting cached value.
9195 * This becomes relevant for piping output which might be
9196 * ellipsized. */
9197 original_stdout_is_tty = isatty(STDOUT_FILENO);
9198
9199 r = parse_argv(argc, argv);
9200 if (r <= 0)
9201 goto finish;
9202
9203 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9204 if (!arg_quiet)
9205 log_info("Running in chroot, ignoring request.");
9206 r = 0;
9207 goto finish;
9208 }
9209
9210 /* systemctl_main() will print an error message for the bus
9211 * connection, but only if it needs to */
9212
9213 switch (arg_action) {
9214
9215 case ACTION_SYSTEMCTL:
9216 r = systemctl_main(argc, argv);
9217 break;
9218
9219 /* Legacy command aliases set arg_action. They provide some fallbacks,
9220 * e.g. to tell sysvinit to reboot after you have installed systemd
9221 * binaries. */
9222
9223 case ACTION_HALT:
9224 case ACTION_POWEROFF:
9225 case ACTION_REBOOT:
9226 case ACTION_KEXEC:
9227 r = halt_main();
9228 break;
9229
9230 case ACTION_RUNLEVEL2:
9231 case ACTION_RUNLEVEL3:
9232 case ACTION_RUNLEVEL4:
9233 case ACTION_RUNLEVEL5:
9234 case ACTION_RESCUE:
9235 r = start_with_fallback();
9236 break;
9237
9238 case ACTION_RELOAD:
9239 case ACTION_REEXEC:
9240 r = reload_with_fallback();
9241 break;
9242
9243 case ACTION_CANCEL_SHUTDOWN:
9244 r = logind_cancel_shutdown();
9245 break;
9246
9247 case ACTION_RUNLEVEL:
9248 r = runlevel_main();
9249 break;
9250
9251 case ACTION_EXIT:
9252 case ACTION_SUSPEND:
9253 case ACTION_HIBERNATE:
9254 case ACTION_HYBRID_SLEEP:
9255 case ACTION_SUSPEND_THEN_HIBERNATE:
9256 case ACTION_EMERGENCY:
9257 case ACTION_DEFAULT:
9258 /* systemctl verbs with no equivalent in the legacy commands.
9259 * These cannot appear in arg_action. Fall through. */
9260
9261 case _ACTION_INVALID:
9262 default:
9263 assert_not_reached("Unknown action");
9264 }
9265
9266 finish:
9267 release_busses();
9268
9269 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9270 return r;
9271 }
9272
9273 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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