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Merge pull request #12140 from poettering/copy-early
[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 "dropin.h"
35 #include "efivars.h"
36 #include "env-util.h"
37 #include "escape.h"
38 #include "exit-status.h"
39 #include "fd-util.h"
40 #include "format-util.h"
41 #include "fs-util.h"
42 #include "glob-util.h"
43 #include "hexdecoct.h"
44 #include "hostname-util.h"
45 #include "in-addr-util.h"
46 #include "initreq.h"
47 #include "install.h"
48 #include "io-util.h"
49 #include "journal-util.h"
50 #include "list.h"
51 #include "locale-util.h"
52 #include "log.h"
53 #include "logs-show.h"
54 #include "macro.h"
55 #include "main-func.h"
56 #include "memory-util.h"
57 #include "mkdir.h"
58 #include "pager.h"
59 #include "parse-util.h"
60 #include "path-lookup.h"
61 #include "path-util.h"
62 #include "pretty-print.h"
63 #include "proc-cmdline.h"
64 #include "process-util.h"
65 #include "reboot-util.h"
66 #include "rlimit-util.h"
67 #include "set.h"
68 #include "sigbus.h"
69 #include "signal-util.h"
70 #include "socket-util.h"
71 #include "sort-util.h"
72 #include "spawn-ask-password-agent.h"
73 #include "spawn-polkit-agent.h"
74 #include "special.h"
75 #include "stat-util.h"
76 #include "string-table.h"
77 #include "strv.h"
78 #include "sysv-compat.h"
79 #include "terminal-util.h"
80 #include "tmpfile-util.h"
81 #include "unit-def.h"
82 #include "unit-name.h"
83 #include "user-util.h"
84 #include "utf8.h"
85 #include "utmp-wtmp.h"
86 #include "verbs.h"
87 #include "virt.h"
88
89 static char **arg_types = NULL;
90 static char **arg_states = NULL;
91 static char **arg_properties = NULL;
92 static bool arg_all = false;
93 static enum dependency {
94 DEPENDENCY_FORWARD,
95 DEPENDENCY_REVERSE,
96 DEPENDENCY_AFTER,
97 DEPENDENCY_BEFORE,
98 _DEPENDENCY_MAX
99 } arg_dependency = DEPENDENCY_FORWARD;
100 static const char *arg_job_mode = "replace";
101 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
102 static bool arg_wait = false;
103 static bool arg_no_block = false;
104 static bool arg_no_legend = false;
105 static PagerFlags arg_pager_flags = 0;
106 static bool arg_no_wtmp = false;
107 static bool arg_no_sync = false;
108 static bool arg_no_wall = false;
109 static bool arg_no_reload = false;
110 static bool arg_value = false;
111 static bool arg_show_types = false;
112 static bool arg_ignore_inhibitors = false;
113 static bool arg_dry_run = false;
114 static bool arg_quiet = false;
115 static bool arg_full = false;
116 static bool arg_recursive = false;
117 static bool arg_show_transaction = false;
118 static int arg_force = 0;
119 static bool arg_ask_password = false;
120 static bool arg_runtime = false;
121 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
122 static char **arg_wall = NULL;
123 static const char *arg_kill_who = NULL;
124 static int arg_signal = SIGTERM;
125 static char *arg_root = NULL;
126 static usec_t arg_when = 0;
127 static enum action {
128 ACTION_SYSTEMCTL,
129 ACTION_HALT,
130 ACTION_POWEROFF,
131 ACTION_REBOOT,
132 ACTION_KEXEC,
133 ACTION_EXIT,
134 ACTION_SUSPEND,
135 ACTION_HIBERNATE,
136 ACTION_HYBRID_SLEEP,
137 ACTION_SUSPEND_THEN_HIBERNATE,
138 ACTION_RUNLEVEL2,
139 ACTION_RUNLEVEL3,
140 ACTION_RUNLEVEL4,
141 ACTION_RUNLEVEL5,
142 ACTION_RESCUE,
143 ACTION_EMERGENCY,
144 ACTION_DEFAULT,
145 ACTION_RELOAD,
146 ACTION_REEXEC,
147 ACTION_RUNLEVEL,
148 ACTION_CANCEL_SHUTDOWN,
149 _ACTION_MAX,
150 _ACTION_INVALID = -1
151 } arg_action = ACTION_SYSTEMCTL;
152 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
153 static const char *arg_host = NULL;
154 static unsigned arg_lines = 10;
155 static OutputMode arg_output = OUTPUT_SHORT;
156 static bool arg_plain = false;
157 static bool arg_firmware_setup = false;
158 static usec_t arg_boot_loader_menu = USEC_INFINITY;
159 static const char *arg_boot_loader_entry = NULL;
160 static bool arg_now = false;
161 static bool arg_jobs_before = false;
162 static bool arg_jobs_after = false;
163
164 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
165 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
166 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
167 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
168 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
169
170 static int daemon_reload(int argc, char *argv[], void* userdata);
171 static int trivial_method(int argc, char *argv[], void *userdata);
172 static int halt_now(enum action a);
173 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
174
175 static bool original_stdout_is_tty;
176
177 typedef enum BusFocus {
178 BUS_FULL, /* The full bus indicated via --system or --user */
179 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
180 _BUS_FOCUS_MAX
181 } BusFocus;
182
183 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
184
185 static UnitFileFlags args_to_flags(void) {
186 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
187 (arg_force ? UNIT_FILE_FORCE : 0);
188 }
189
190 static int acquire_bus(BusFocus focus, sd_bus **ret) {
191 int r;
192
193 assert(focus < _BUS_FOCUS_MAX);
194 assert(ret);
195
196 /* We only go directly to the manager, if we are using a local transport */
197 if (arg_transport != BUS_TRANSPORT_LOCAL)
198 focus = BUS_FULL;
199
200 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
201 focus = BUS_FULL;
202
203 if (!busses[focus]) {
204 bool user;
205
206 user = arg_scope != UNIT_FILE_SYSTEM;
207
208 if (focus == BUS_MANAGER)
209 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
210 else
211 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
212 if (r < 0)
213 return log_error_errno(r, "Failed to connect to bus: %m");
214
215 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
216 }
217
218 *ret = busses[focus];
219 return 0;
220 }
221
222 static void release_busses(void) {
223 BusFocus w;
224
225 for (w = 0; w < _BUS_FOCUS_MAX; w++)
226 busses[w] = sd_bus_flush_close_unref(busses[w]);
227 }
228
229 static void ask_password_agent_open_if_enabled(void) {
230 /* Open the password agent as a child process if necessary */
231
232 if (arg_dry_run)
233 return;
234
235 if (!arg_ask_password)
236 return;
237
238 if (arg_scope != UNIT_FILE_SYSTEM)
239 return;
240
241 if (arg_transport != BUS_TRANSPORT_LOCAL)
242 return;
243
244 ask_password_agent_open();
245 }
246
247 static void polkit_agent_open_maybe(void) {
248 /* Open the polkit agent as a child process if necessary */
249
250 if (arg_scope != UNIT_FILE_SYSTEM)
251 return;
252
253 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
254 }
255
256 static OutputFlags get_output_flags(void) {
257 return
258 arg_all * OUTPUT_SHOW_ALL |
259 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
260 colors_enabled() * OUTPUT_COLOR |
261 !arg_quiet * OUTPUT_WARN_CUTOFF;
262 }
263
264 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
265 assert(error);
266
267 if (!sd_bus_error_is_set(error))
268 return r;
269
270 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
271 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
272 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
273 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
274 return EXIT_NOPERMISSION;
275
276 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
277 return EXIT_NOTINSTALLED;
278
279 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
280 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
281 return EXIT_NOTIMPLEMENTED;
282
283 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
284 return EXIT_NOTCONFIGURED;
285
286 if (r != 0)
287 return r;
288
289 return EXIT_FAILURE;
290 }
291
292 static bool install_client_side(void) {
293 /* Decides when to execute enable/disable/... operations
294 * client-side rather than server-side. */
295
296 if (running_in_chroot_or_offline())
297 return true;
298
299 if (sd_booted() <= 0)
300 return true;
301
302 if (!isempty(arg_root))
303 return true;
304
305 if (arg_scope == UNIT_FILE_GLOBAL)
306 return true;
307
308 /* Unsupported environment variable, mostly for debugging purposes */
309 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
310 return true;
311
312 return false;
313 }
314
315 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
316 const char *d1, *d2;
317 int r;
318
319 /* First, order by machine */
320 if (!a->machine && b->machine)
321 return -1;
322 if (a->machine && !b->machine)
323 return 1;
324 if (a->machine && b->machine) {
325 r = strcasecmp(a->machine, b->machine);
326 if (r != 0)
327 return r;
328 }
329
330 /* Second, order by unit type */
331 d1 = strrchr(a->id, '.');
332 d2 = strrchr(b->id, '.');
333 if (d1 && d2) {
334 r = strcasecmp(d1, d2);
335 if (r != 0)
336 return r;
337 }
338
339 /* Third, order by name */
340 return strcasecmp(a->id, b->id);
341 }
342
343 static const char* unit_type_suffix(const char *name) {
344 const char *dot;
345
346 dot = strrchr(name, '.');
347 if (!dot)
348 return "";
349
350 return dot + 1;
351 }
352
353 static bool output_show_unit(const UnitInfo *u, char **patterns) {
354 assert(u);
355
356 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
357 return false;
358
359 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
360 return false;
361
362 if (arg_all)
363 return true;
364
365 /* Note that '--all' is not purely a state filter, but also a
366 * filter that hides units that "follow" other units (which is
367 * used for device units that appear under different names). */
368 if (!isempty(u->following))
369 return false;
370
371 if (!strv_isempty(arg_states))
372 return true;
373
374 /* By default show all units except the ones in inactive
375 * state and with no pending job */
376 if (u->job_id > 0)
377 return true;
378
379 if (streq(u->active_state, "inactive"))
380 return false;
381
382 return true;
383 }
384
385 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
386 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
387 const UnitInfo *u;
388 unsigned n_shown = 0;
389 int job_count = 0;
390 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
391
392 max_id_len = STRLEN("UNIT");
393 load_len = STRLEN("LOAD");
394 active_len = STRLEN("ACTIVE");
395 sub_len = STRLEN("SUB");
396 job_len = STRLEN("JOB");
397 max_desc_len = STRLEN("DESCRIPTION");
398
399 for (u = unit_infos; u < unit_infos + c; u++) {
400 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
401 load_len = MAX(load_len, strlen(u->load_state));
402 active_len = MAX(active_len, strlen(u->active_state));
403 sub_len = MAX(sub_len, strlen(u->sub_state));
404 max_desc_len = MAX(max_desc_len, strlen(u->description));
405
406 if (u->job_id != 0) {
407 job_len = MAX(job_len, strlen(u->job_type));
408 job_count++;
409 }
410
411 if (!arg_no_legend &&
412 (streq(u->active_state, "failed") ||
413 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
414 circle_len = 2;
415 }
416
417 if (!arg_full && original_stdout_is_tty) {
418 unsigned basic_len;
419
420 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
421 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
422
423 if (job_count)
424 basic_len += job_len + 1;
425
426 if (basic_len < (unsigned) columns()) {
427 unsigned extra_len, incr;
428 extra_len = columns() - basic_len;
429
430 /* Either UNIT already got 25, or is fully satisfied.
431 * Grant up to 25 to DESC now. */
432 incr = MIN(extra_len, 25u);
433 desc_len = incr;
434 extra_len -= incr;
435
436 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
437 * description but not more than it needs. */
438 if (extra_len > 0) {
439 incr = MIN(max_id_len - id_len, extra_len);
440 id_len += incr;
441 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
442 }
443 } else
444 desc_len = 0;
445 } else {
446 id_len = max_id_len;
447 desc_len = max_desc_len;
448 }
449
450 for (u = unit_infos; u < unit_infos + c; u++) {
451 _cleanup_free_ char *e = NULL, *j = NULL;
452 const char *on_underline = "", *off_underline = "";
453 const char *on_loaded = "", *off_loaded = "";
454 const char *on_active = "", *off_active = "";
455 const char *on_circle = "", *off_circle = "";
456 const char *id;
457 bool circle = false, underline = false;
458
459 if (!n_shown && !arg_no_legend) {
460
461 if (circle_len > 0)
462 fputs(" ", stdout);
463
464 printf("%s%-*s %-*s %-*s %-*s ",
465 ansi_underline(),
466 id_len, "UNIT",
467 load_len, "LOAD",
468 active_len, "ACTIVE",
469 sub_len, "SUB");
470
471 if (job_count)
472 printf("%-*s ", job_len, "JOB");
473
474 printf("%-*.*s%s\n",
475 desc_len,
476 full ? -1 : (int) desc_len,
477 "DESCRIPTION",
478 ansi_normal());
479 }
480
481 n_shown++;
482
483 if (u + 1 < unit_infos + c &&
484 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
485 on_underline = ansi_underline();
486 off_underline = ansi_normal();
487 underline = true;
488 }
489
490 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
491 on_circle = ansi_highlight_yellow();
492 off_circle = ansi_normal();
493 circle = true;
494 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
495 off_loaded = underline ? on_underline : ansi_normal();
496 } else if (streq(u->active_state, "failed") && !arg_plain) {
497 on_circle = ansi_highlight_red();
498 off_circle = ansi_normal();
499 circle = true;
500 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
501 off_active = underline ? on_underline : ansi_normal();
502 }
503
504 if (u->machine) {
505 j = strjoin(u->machine, ":", u->id);
506 if (!j)
507 return log_oom();
508
509 id = j;
510 } else
511 id = u->id;
512
513 if (arg_full) {
514 e = ellipsize(id, id_len, 33);
515 if (!e)
516 return log_oom();
517
518 id = e;
519 }
520
521 if (circle_len > 0)
522 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
523
524 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
525 on_underline,
526 on_active, id_len, id, off_active,
527 on_loaded, load_len, u->load_state, off_loaded,
528 on_active, active_len, u->active_state,
529 sub_len, u->sub_state, off_active,
530 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
531
532 printf("%-*.*s%s\n",
533 desc_len,
534 full ? -1 : (int) desc_len,
535 u->description,
536 off_underline);
537 }
538
539 if (!arg_no_legend) {
540 const char *on, *off;
541
542 if (n_shown) {
543 puts("\n"
544 "LOAD = Reflects whether the unit definition was properly loaded.\n"
545 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
546 "SUB = The low-level unit activation state, values depend on unit type.");
547 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
548 on = ansi_highlight();
549 off = ansi_normal();
550 } else {
551 on = ansi_highlight_red();
552 off = ansi_normal();
553 }
554
555 if (arg_all)
556 printf("%s%u loaded units listed.%s\n"
557 "To show all installed unit files use 'systemctl list-unit-files'.\n",
558 on, n_shown, off);
559 else
560 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
561 "To show all installed unit files use 'systemctl list-unit-files'.\n",
562 on, n_shown, off);
563 }
564
565 return 0;
566 }
567
568 static int get_unit_list(
569 sd_bus *bus,
570 const char *machine,
571 char **patterns,
572 UnitInfo **unit_infos,
573 int c,
574 sd_bus_message **_reply) {
575
576 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
577 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
578 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
579 size_t size = c;
580 int r;
581 UnitInfo u;
582 bool fallback = false;
583
584 assert(bus);
585 assert(unit_infos);
586 assert(_reply);
587
588 r = sd_bus_message_new_method_call(
589 bus,
590 &m,
591 "org.freedesktop.systemd1",
592 "/org/freedesktop/systemd1",
593 "org.freedesktop.systemd1.Manager",
594 "ListUnitsByPatterns");
595 if (r < 0)
596 return bus_log_create_error(r);
597
598 r = sd_bus_message_append_strv(m, arg_states);
599 if (r < 0)
600 return bus_log_create_error(r);
601
602 r = sd_bus_message_append_strv(m, patterns);
603 if (r < 0)
604 return bus_log_create_error(r);
605
606 r = sd_bus_call(bus, m, 0, &error, &reply);
607 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
608 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
609 /* Fallback to legacy ListUnitsFiltered method */
610 fallback = true;
611 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
612 m = sd_bus_message_unref(m);
613 sd_bus_error_free(&error);
614
615 r = sd_bus_message_new_method_call(
616 bus,
617 &m,
618 "org.freedesktop.systemd1",
619 "/org/freedesktop/systemd1",
620 "org.freedesktop.systemd1.Manager",
621 "ListUnitsFiltered");
622 if (r < 0)
623 return bus_log_create_error(r);
624
625 r = sd_bus_message_append_strv(m, arg_states);
626 if (r < 0)
627 return bus_log_create_error(r);
628
629 r = sd_bus_call(bus, m, 0, &error, &reply);
630 }
631 if (r < 0)
632 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
633
634 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
635 if (r < 0)
636 return bus_log_parse_error(r);
637
638 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
639 u.machine = machine;
640
641 if (!output_show_unit(&u, fallback ? patterns : NULL))
642 continue;
643
644 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
645 return log_oom();
646
647 (*unit_infos)[c++] = u;
648 }
649 if (r < 0)
650 return bus_log_parse_error(r);
651
652 r = sd_bus_message_exit_container(reply);
653 if (r < 0)
654 return bus_log_parse_error(r);
655
656 *_reply = TAKE_PTR(reply);
657
658 return c;
659 }
660
661 static void message_set_freep(Set **set) {
662 set_free_with_destructor(*set, sd_bus_message_unref);
663 }
664
665 static int get_unit_list_recursive(
666 sd_bus *bus,
667 char **patterns,
668 UnitInfo **_unit_infos,
669 Set **_replies,
670 char ***_machines) {
671
672 _cleanup_free_ UnitInfo *unit_infos = NULL;
673 _cleanup_(message_set_freep) Set *replies;
674 sd_bus_message *reply;
675 int c, r;
676
677 assert(bus);
678 assert(_replies);
679 assert(_unit_infos);
680 assert(_machines);
681
682 replies = set_new(NULL);
683 if (!replies)
684 return log_oom();
685
686 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
687 if (c < 0)
688 return c;
689
690 r = set_put(replies, reply);
691 if (r < 0) {
692 sd_bus_message_unref(reply);
693 return log_oom();
694 }
695
696 if (arg_recursive) {
697 _cleanup_strv_free_ char **machines = NULL;
698 char **i;
699
700 r = sd_get_machine_names(&machines);
701 if (r < 0)
702 return log_error_errno(r, "Failed to get machine names: %m");
703
704 STRV_FOREACH(i, machines) {
705 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
706 int k;
707
708 r = sd_bus_open_system_machine(&container, *i);
709 if (r < 0) {
710 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
711 continue;
712 }
713
714 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
715 if (k < 0)
716 return k;
717
718 c = k;
719
720 r = set_put(replies, reply);
721 if (r < 0) {
722 sd_bus_message_unref(reply);
723 return log_oom();
724 }
725 }
726
727 *_machines = TAKE_PTR(machines);
728 } else
729 *_machines = NULL;
730
731 *_unit_infos = TAKE_PTR(unit_infos);
732 *_replies = TAKE_PTR(replies);
733
734 return c;
735 }
736
737 static int list_units(int argc, char *argv[], void *userdata) {
738 _cleanup_free_ UnitInfo *unit_infos = NULL;
739 _cleanup_(message_set_freep) Set *replies = NULL;
740 _cleanup_strv_free_ char **machines = NULL;
741 sd_bus *bus;
742 int r;
743
744 r = acquire_bus(BUS_MANAGER, &bus);
745 if (r < 0)
746 return r;
747
748 (void) pager_open(arg_pager_flags);
749
750 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
751 if (r < 0)
752 return r;
753
754 typesafe_qsort(unit_infos, r, compare_unit_info);
755 return output_units_list(unit_infos, r);
756 }
757
758 static int get_triggered_units(
759 sd_bus *bus,
760 const char* path,
761 char*** ret) {
762
763 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
764 int r;
765
766 assert(bus);
767 assert(path);
768 assert(ret);
769
770 r = sd_bus_get_property_strv(
771 bus,
772 "org.freedesktop.systemd1",
773 path,
774 "org.freedesktop.systemd1.Unit",
775 "Triggers",
776 &error,
777 ret);
778 if (r < 0)
779 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
780
781 return 0;
782 }
783
784 static int get_listening(
785 sd_bus *bus,
786 const char* unit_path,
787 char*** listening) {
788
789 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
790 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
791 const char *type, *path;
792 int r, n = 0;
793
794 r = sd_bus_get_property(
795 bus,
796 "org.freedesktop.systemd1",
797 unit_path,
798 "org.freedesktop.systemd1.Socket",
799 "Listen",
800 &error,
801 &reply,
802 "a(ss)");
803 if (r < 0)
804 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
805
806 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
807 if (r < 0)
808 return bus_log_parse_error(r);
809
810 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
811
812 r = strv_extend(listening, type);
813 if (r < 0)
814 return log_oom();
815
816 r = strv_extend(listening, path);
817 if (r < 0)
818 return log_oom();
819
820 n++;
821 }
822 if (r < 0)
823 return bus_log_parse_error(r);
824
825 r = sd_bus_message_exit_container(reply);
826 if (r < 0)
827 return bus_log_parse_error(r);
828
829 return n;
830 }
831
832 struct socket_info {
833 const char *machine;
834 const char* id;
835
836 char* type;
837 char* path;
838
839 /* Note: triggered is a list here, although it almost certainly
840 * will always be one unit. Nevertheless, dbus API allows for multiple
841 * values, so let's follow that. */
842 char** triggered;
843
844 /* The strv above is shared. free is set only in the first one. */
845 bool own_triggered;
846 };
847
848 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
849 int r;
850
851 assert(a);
852 assert(b);
853
854 if (!a->machine && b->machine)
855 return -1;
856 if (a->machine && !b->machine)
857 return 1;
858 if (a->machine && b->machine) {
859 r = strcasecmp(a->machine, b->machine);
860 if (r != 0)
861 return r;
862 }
863
864 r = strcmp(a->path, b->path);
865 if (r == 0)
866 r = strcmp(a->type, b->type);
867
868 return r;
869 }
870
871 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
872 struct socket_info *s;
873 unsigned pathlen = STRLEN("LISTEN"),
874 typelen = STRLEN("TYPE") * arg_show_types,
875 socklen = STRLEN("UNIT"),
876 servlen = STRLEN("ACTIVATES");
877 const char *on, *off;
878
879 for (s = socket_infos; s < socket_infos + cs; s++) {
880 unsigned tmp = 0;
881 char **a;
882
883 socklen = MAX(socklen, strlen(s->id));
884 if (arg_show_types)
885 typelen = MAX(typelen, strlen(s->type));
886 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
887
888 STRV_FOREACH(a, s->triggered)
889 tmp += strlen(*a) + 2*(a != s->triggered);
890 servlen = MAX(servlen, tmp);
891 }
892
893 if (cs) {
894 if (!arg_no_legend)
895 printf("%-*s %-*.*s%-*s %s\n",
896 pathlen, "LISTEN",
897 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
898 socklen, "UNIT",
899 "ACTIVATES");
900
901 for (s = socket_infos; s < socket_infos + cs; s++) {
902 _cleanup_free_ char *j = NULL;
903 const char *path;
904 char **a;
905
906 if (s->machine) {
907 j = strjoin(s->machine, ":", s->path);
908 if (!j)
909 return log_oom();
910 path = j;
911 } else
912 path = s->path;
913
914 if (arg_show_types)
915 printf("%-*s %-*s %-*s",
916 pathlen, path, typelen, s->type, socklen, s->id);
917 else
918 printf("%-*s %-*s",
919 pathlen, path, socklen, s->id);
920 STRV_FOREACH(a, s->triggered)
921 printf("%s %s",
922 a == s->triggered ? "" : ",", *a);
923 printf("\n");
924 }
925
926 on = ansi_highlight();
927 off = ansi_normal();
928 if (!arg_no_legend)
929 printf("\n");
930 } else {
931 on = ansi_highlight_red();
932 off = ansi_normal();
933 }
934
935 if (!arg_no_legend) {
936 printf("%s%u sockets listed.%s\n", on, cs, off);
937 if (!arg_all)
938 printf("Pass --all to see loaded but inactive sockets, too.\n");
939 }
940
941 return 0;
942 }
943
944 static int list_sockets(int argc, char *argv[], void *userdata) {
945 _cleanup_(message_set_freep) Set *replies = NULL;
946 _cleanup_strv_free_ char **machines = NULL;
947 _cleanup_free_ UnitInfo *unit_infos = NULL;
948 _cleanup_free_ struct socket_info *socket_infos = NULL;
949 const UnitInfo *u;
950 struct socket_info *s;
951 unsigned cs = 0;
952 size_t size = 0;
953 int r = 0, n;
954 sd_bus *bus;
955
956 r = acquire_bus(BUS_MANAGER, &bus);
957 if (r < 0)
958 return r;
959
960 (void) pager_open(arg_pager_flags);
961
962 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
963 if (n < 0)
964 return n;
965
966 for (u = unit_infos; u < unit_infos + n; u++) {
967 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
968 int i, c;
969
970 if (!endswith(u->id, ".socket"))
971 continue;
972
973 r = get_triggered_units(bus, u->unit_path, &triggered);
974 if (r < 0)
975 goto cleanup;
976
977 c = get_listening(bus, u->unit_path, &listening);
978 if (c < 0) {
979 r = c;
980 goto cleanup;
981 }
982
983 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
984 r = log_oom();
985 goto cleanup;
986 }
987
988 for (i = 0; i < c; i++)
989 socket_infos[cs + i] = (struct socket_info) {
990 .machine = u->machine,
991 .id = u->id,
992 .type = listening[i*2],
993 .path = listening[i*2 + 1],
994 .triggered = triggered,
995 .own_triggered = i==0,
996 };
997
998 /* from this point on we will cleanup those socket_infos */
999 cs += c;
1000 free(listening);
1001 listening = triggered = NULL; /* avoid cleanup */
1002 }
1003
1004 typesafe_qsort(socket_infos, cs, socket_info_compare);
1005
1006 output_sockets_list(socket_infos, cs);
1007
1008 cleanup:
1009 assert(cs == 0 || socket_infos);
1010 for (s = socket_infos; s < socket_infos + cs; s++) {
1011 free(s->type);
1012 free(s->path);
1013 if (s->own_triggered)
1014 strv_free(s->triggered);
1015 }
1016
1017 return r;
1018 }
1019
1020 static int get_next_elapse(
1021 sd_bus *bus,
1022 const char *path,
1023 dual_timestamp *next) {
1024
1025 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1026 dual_timestamp t;
1027 int r;
1028
1029 assert(bus);
1030 assert(path);
1031 assert(next);
1032
1033 r = sd_bus_get_property_trivial(
1034 bus,
1035 "org.freedesktop.systemd1",
1036 path,
1037 "org.freedesktop.systemd1.Timer",
1038 "NextElapseUSecMonotonic",
1039 &error,
1040 't',
1041 &t.monotonic);
1042 if (r < 0)
1043 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1044
1045 r = sd_bus_get_property_trivial(
1046 bus,
1047 "org.freedesktop.systemd1",
1048 path,
1049 "org.freedesktop.systemd1.Timer",
1050 "NextElapseUSecRealtime",
1051 &error,
1052 't',
1053 &t.realtime);
1054 if (r < 0)
1055 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1056
1057 *next = t;
1058 return 0;
1059 }
1060
1061 static int get_last_trigger(
1062 sd_bus *bus,
1063 const char *path,
1064 usec_t *last) {
1065
1066 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1067 int r;
1068
1069 assert(bus);
1070 assert(path);
1071 assert(last);
1072
1073 r = sd_bus_get_property_trivial(
1074 bus,
1075 "org.freedesktop.systemd1",
1076 path,
1077 "org.freedesktop.systemd1.Timer",
1078 "LastTriggerUSec",
1079 &error,
1080 't',
1081 last);
1082 if (r < 0)
1083 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1084
1085 return 0;
1086 }
1087
1088 struct timer_info {
1089 const char* machine;
1090 const char* id;
1091 usec_t next_elapse;
1092 usec_t last_trigger;
1093 char** triggered;
1094 };
1095
1096 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1097 int r;
1098
1099 assert(a);
1100 assert(b);
1101
1102 if (!a->machine && b->machine)
1103 return -1;
1104 if (a->machine && !b->machine)
1105 return 1;
1106 if (a->machine && b->machine) {
1107 r = strcasecmp(a->machine, b->machine);
1108 if (r != 0)
1109 return r;
1110 }
1111
1112 r = CMP(a->next_elapse, b->next_elapse);
1113 if (r != 0)
1114 return r;
1115
1116 return strcmp(a->id, b->id);
1117 }
1118
1119 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1120 struct timer_info *t;
1121 unsigned
1122 nextlen = STRLEN("NEXT"),
1123 leftlen = STRLEN("LEFT"),
1124 lastlen = STRLEN("LAST"),
1125 passedlen = STRLEN("PASSED"),
1126 unitlen = STRLEN("UNIT"),
1127 activatelen = STRLEN("ACTIVATES");
1128
1129 const char *on, *off;
1130
1131 assert(timer_infos || n == 0);
1132
1133 for (t = timer_infos; t < timer_infos + n; t++) {
1134 unsigned ul = 0;
1135 char **a;
1136
1137 if (t->next_elapse > 0) {
1138 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1139
1140 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1141 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1142
1143 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1144 leftlen = MAX(leftlen, strlen(trel));
1145 }
1146
1147 if (t->last_trigger > 0) {
1148 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1149
1150 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1151 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1152
1153 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1154 passedlen = MAX(passedlen, strlen(trel));
1155 }
1156
1157 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1158
1159 STRV_FOREACH(a, t->triggered)
1160 ul += strlen(*a) + 2*(a != t->triggered);
1161
1162 activatelen = MAX(activatelen, ul);
1163 }
1164
1165 if (n > 0) {
1166 if (!arg_no_legend)
1167 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1168 nextlen, "NEXT",
1169 leftlen, "LEFT",
1170 lastlen, "LAST",
1171 passedlen, "PASSED",
1172 unitlen, "UNIT",
1173 "ACTIVATES");
1174
1175 for (t = timer_infos; t < timer_infos + n; t++) {
1176 _cleanup_free_ char *j = NULL;
1177 const char *unit;
1178 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1179 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1180 char **a;
1181
1182 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1183 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1184
1185 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1186 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1187
1188 if (t->machine) {
1189 j = strjoin(t->machine, ":", t->id);
1190 if (!j)
1191 return log_oom();
1192 unit = j;
1193 } else
1194 unit = t->id;
1195
1196 printf("%-*s %-*s %-*s %-*s %-*s",
1197 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1198
1199 STRV_FOREACH(a, t->triggered)
1200 printf("%s %s",
1201 a == t->triggered ? "" : ",", *a);
1202 printf("\n");
1203 }
1204
1205 on = ansi_highlight();
1206 off = ansi_normal();
1207 if (!arg_no_legend)
1208 printf("\n");
1209 } else {
1210 on = ansi_highlight_red();
1211 off = ansi_normal();
1212 }
1213
1214 if (!arg_no_legend) {
1215 printf("%s%u timers listed.%s\n", on, n, off);
1216 if (!arg_all)
1217 printf("Pass --all to see loaded but inactive timers, too.\n");
1218 }
1219
1220 return 0;
1221 }
1222
1223 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1224 usec_t next_elapse;
1225
1226 assert(nw);
1227 assert(next);
1228
1229 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1230 usec_t converted;
1231
1232 if (next->monotonic > nw->monotonic)
1233 converted = nw->realtime + (next->monotonic - nw->monotonic);
1234 else
1235 converted = nw->realtime - (nw->monotonic - next->monotonic);
1236
1237 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1238 next_elapse = MIN(converted, next->realtime);
1239 else
1240 next_elapse = converted;
1241
1242 } else
1243 next_elapse = next->realtime;
1244
1245 return next_elapse;
1246 }
1247
1248 static int list_timers(int argc, char *argv[], void *userdata) {
1249 _cleanup_(message_set_freep) Set *replies = NULL;
1250 _cleanup_strv_free_ char **machines = NULL;
1251 _cleanup_free_ struct timer_info *timer_infos = NULL;
1252 _cleanup_free_ UnitInfo *unit_infos = NULL;
1253 struct timer_info *t;
1254 const UnitInfo *u;
1255 size_t size = 0;
1256 int n, c = 0;
1257 dual_timestamp nw;
1258 sd_bus *bus;
1259 int r = 0;
1260
1261 r = acquire_bus(BUS_MANAGER, &bus);
1262 if (r < 0)
1263 return r;
1264
1265 (void) pager_open(arg_pager_flags);
1266
1267 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1268 if (n < 0)
1269 return n;
1270
1271 dual_timestamp_get(&nw);
1272
1273 for (u = unit_infos; u < unit_infos + n; u++) {
1274 _cleanup_strv_free_ char **triggered = NULL;
1275 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1276 usec_t m, last = 0;
1277
1278 if (!endswith(u->id, ".timer"))
1279 continue;
1280
1281 r = get_triggered_units(bus, u->unit_path, &triggered);
1282 if (r < 0)
1283 goto cleanup;
1284
1285 r = get_next_elapse(bus, u->unit_path, &next);
1286 if (r < 0)
1287 goto cleanup;
1288
1289 get_last_trigger(bus, u->unit_path, &last);
1290
1291 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1292 r = log_oom();
1293 goto cleanup;
1294 }
1295
1296 m = calc_next_elapse(&nw, &next);
1297
1298 timer_infos[c++] = (struct timer_info) {
1299 .machine = u->machine,
1300 .id = u->id,
1301 .next_elapse = m,
1302 .last_trigger = last,
1303 .triggered = TAKE_PTR(triggered),
1304 };
1305 }
1306
1307 typesafe_qsort(timer_infos, c, timer_info_compare);
1308
1309 output_timers_list(timer_infos, c);
1310
1311 cleanup:
1312 for (t = timer_infos; t < timer_infos + c; t++)
1313 strv_free(t->triggered);
1314
1315 return r;
1316 }
1317
1318 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1319 const char *d1, *d2;
1320
1321 d1 = strrchr(a->path, '.');
1322 d2 = strrchr(b->path, '.');
1323
1324 if (d1 && d2) {
1325 int r;
1326
1327 r = strcasecmp(d1, d2);
1328 if (r != 0)
1329 return r;
1330 }
1331
1332 return strcasecmp(basename(a->path), basename(b->path));
1333 }
1334
1335 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1336 assert(u);
1337
1338 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1339 return false;
1340
1341 if (!strv_isempty(arg_types)) {
1342 const char *dot;
1343
1344 dot = strrchr(u->path, '.');
1345 if (!dot)
1346 return false;
1347
1348 if (!strv_find(arg_types, dot+1))
1349 return false;
1350 }
1351
1352 if (!strv_isempty(states) &&
1353 !strv_find(states, unit_file_state_to_string(u->state)))
1354 return false;
1355
1356 return true;
1357 }
1358
1359 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1360 unsigned max_id_len, id_cols, state_cols;
1361 const UnitFileList *u;
1362
1363 max_id_len = STRLEN("UNIT FILE");
1364 state_cols = STRLEN("STATE");
1365
1366 for (u = units; u < units + c; u++) {
1367 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1368 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1369 }
1370
1371 if (!arg_full) {
1372 unsigned basic_cols;
1373
1374 id_cols = MIN(max_id_len, 25u);
1375 basic_cols = 1 + id_cols + state_cols;
1376 if (basic_cols < (unsigned) columns())
1377 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1378 } else
1379 id_cols = max_id_len;
1380
1381 if (!arg_no_legend && c > 0)
1382 printf("%s%-*s %-*s%s\n",
1383 ansi_underline(),
1384 id_cols, "UNIT FILE",
1385 state_cols, "STATE",
1386 ansi_normal());
1387
1388 for (u = units; u < units + c; u++) {
1389 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1390 _cleanup_free_ char *e = NULL;
1391 bool underline;
1392
1393 underline = u + 1 < units + c &&
1394 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1395
1396 if (underline)
1397 on_underline = ansi_underline();
1398
1399 if (IN_SET(u->state,
1400 UNIT_FILE_MASKED,
1401 UNIT_FILE_MASKED_RUNTIME,
1402 UNIT_FILE_DISABLED,
1403 UNIT_FILE_BAD))
1404 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1405 else if (u->state == UNIT_FILE_ENABLED)
1406 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1407
1408 if (on_underline || on_color)
1409 off = ansi_normal();
1410
1411 id = basename(u->path);
1412
1413 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1414
1415 printf("%s%-*s %s%-*s%s\n",
1416 strempty(on_underline),
1417 id_cols, e ? e : id,
1418 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1419 }
1420
1421 if (!arg_no_legend)
1422 printf("\n%u unit files listed.\n", c);
1423 }
1424
1425 static int list_unit_files(int argc, char *argv[], void *userdata) {
1426 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1427 _cleanup_free_ UnitFileList *units = NULL;
1428 UnitFileList *unit;
1429 size_t size = 0;
1430 unsigned c = 0;
1431 const char *state;
1432 char *path;
1433 int r;
1434 bool fallback = false;
1435
1436 if (install_client_side()) {
1437 Hashmap *h;
1438 UnitFileList *u;
1439 Iterator i;
1440 unsigned n_units;
1441
1442 h = hashmap_new(&string_hash_ops);
1443 if (!h)
1444 return log_oom();
1445
1446 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1447 if (r < 0) {
1448 unit_file_list_free(h);
1449 return log_error_errno(r, "Failed to get unit file list: %m");
1450 }
1451
1452 n_units = hashmap_size(h);
1453
1454 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1455 if (!units) {
1456 unit_file_list_free(h);
1457 return log_oom();
1458 }
1459
1460 HASHMAP_FOREACH(u, h, i) {
1461 if (!output_show_unit_file(u, NULL, NULL))
1462 continue;
1463
1464 units[c++] = *u;
1465 free(u);
1466 }
1467
1468 assert(c <= n_units);
1469 hashmap_free(h);
1470
1471 r = 0;
1472 } else {
1473 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1474 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1475 sd_bus *bus;
1476
1477 r = acquire_bus(BUS_MANAGER, &bus);
1478 if (r < 0)
1479 return r;
1480
1481 r = sd_bus_message_new_method_call(
1482 bus,
1483 &m,
1484 "org.freedesktop.systemd1",
1485 "/org/freedesktop/systemd1",
1486 "org.freedesktop.systemd1.Manager",
1487 "ListUnitFilesByPatterns");
1488 if (r < 0)
1489 return bus_log_create_error(r);
1490
1491 r = sd_bus_message_append_strv(m, arg_states);
1492 if (r < 0)
1493 return bus_log_create_error(r);
1494
1495 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1496 if (r < 0)
1497 return bus_log_create_error(r);
1498
1499 r = sd_bus_call(bus, m, 0, &error, &reply);
1500 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1501 /* Fallback to legacy ListUnitFiles method */
1502 fallback = true;
1503 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1504 m = sd_bus_message_unref(m);
1505 sd_bus_error_free(&error);
1506
1507 r = sd_bus_message_new_method_call(
1508 bus,
1509 &m,
1510 "org.freedesktop.systemd1",
1511 "/org/freedesktop/systemd1",
1512 "org.freedesktop.systemd1.Manager",
1513 "ListUnitFiles");
1514 if (r < 0)
1515 return bus_log_create_error(r);
1516
1517 r = sd_bus_call(bus, m, 0, &error, &reply);
1518 }
1519 if (r < 0)
1520 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1521
1522 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1523 if (r < 0)
1524 return bus_log_parse_error(r);
1525
1526 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1527
1528 if (!GREEDY_REALLOC(units, size, c + 1))
1529 return log_oom();
1530
1531 units[c] = (struct UnitFileList) {
1532 path,
1533 unit_file_state_from_string(state)
1534 };
1535
1536 if (output_show_unit_file(&units[c],
1537 fallback ? arg_states : NULL,
1538 fallback ? strv_skip(argv, 1) : NULL))
1539 c++;
1540
1541 }
1542 if (r < 0)
1543 return bus_log_parse_error(r);
1544
1545 r = sd_bus_message_exit_container(reply);
1546 if (r < 0)
1547 return bus_log_parse_error(r);
1548 }
1549
1550 (void) pager_open(arg_pager_flags);
1551
1552 typesafe_qsort(units, c, compare_unit_file_list);
1553 output_unit_file_list(units, c);
1554
1555 if (install_client_side())
1556 for (unit = units; unit < units + c; unit++)
1557 free(unit->path);
1558
1559 return 0;
1560 }
1561
1562 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1563 _cleanup_free_ char *n = NULL;
1564 size_t max_len = MAX(columns(),20u);
1565 size_t len = 0;
1566 int i;
1567
1568 if (!arg_plain) {
1569
1570 for (i = level - 1; i >= 0; i--) {
1571 len += 2;
1572 if (len > max_len - 3 && !arg_full) {
1573 printf("%s...\n",max_len % 2 ? "" : " ");
1574 return 0;
1575 }
1576 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1577 }
1578 len += 2;
1579
1580 if (len > max_len - 3 && !arg_full) {
1581 printf("%s...\n",max_len % 2 ? "" : " ");
1582 return 0;
1583 }
1584
1585 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1586 }
1587
1588 if (arg_full) {
1589 printf("%s\n", name);
1590 return 0;
1591 }
1592
1593 n = ellipsize(name, max_len-len, 100);
1594 if (!n)
1595 return log_oom();
1596
1597 printf("%s\n", n);
1598 return 0;
1599 }
1600
1601 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1602 struct DependencyStatusInfo {
1603 char **dep[5];
1604 } info = {};
1605
1606 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1607 [DEPENDENCY_FORWARD] = {
1608 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1609 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1610 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1611 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1612 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1613 {}
1614 },
1615 [DEPENDENCY_REVERSE] = {
1616 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1617 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1618 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1619 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1620 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1621 {}
1622 },
1623 [DEPENDENCY_AFTER] = {
1624 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1625 {}
1626 },
1627 [DEPENDENCY_BEFORE] = {
1628 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1629 {}
1630 },
1631 };
1632
1633 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1634 _cleanup_strv_free_ char **ret = NULL;
1635 _cleanup_free_ char *path = NULL;
1636 int i, r;
1637
1638 assert(bus);
1639 assert(name);
1640 assert(deps);
1641
1642 path = unit_dbus_path_from_name(name);
1643 if (!path)
1644 return log_oom();
1645
1646 r = bus_map_all_properties(bus,
1647 "org.freedesktop.systemd1",
1648 path,
1649 map[arg_dependency],
1650 BUS_MAP_STRDUP,
1651 &error,
1652 NULL,
1653 &info);
1654 if (r < 0)
1655 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1656
1657 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1658 *deps = info.dep[0];
1659 return 0;
1660 }
1661
1662 for (i = 0; i < 5; i++) {
1663 r = strv_extend_strv(&ret, info.dep[i], true);
1664 if (r < 0)
1665 return log_oom();
1666 info.dep[i] = strv_free(info.dep[i]);
1667 }
1668
1669 *deps = TAKE_PTR(ret);
1670
1671 return 0;
1672 }
1673
1674 static int list_dependencies_compare(char * const *a, char * const *b) {
1675 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1676 return 1;
1677 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1678 return -1;
1679
1680 return strcasecmp(*a, *b);
1681 }
1682
1683 static int list_dependencies_one(
1684 sd_bus *bus,
1685 const char *name,
1686 int level,
1687 char ***units,
1688 unsigned branches) {
1689
1690 _cleanup_strv_free_ char **deps = NULL;
1691 char **c;
1692 int r = 0;
1693
1694 assert(bus);
1695 assert(name);
1696 assert(units);
1697
1698 r = strv_extend(units, name);
1699 if (r < 0)
1700 return log_oom();
1701
1702 r = list_dependencies_get_dependencies(bus, name, &deps);
1703 if (r < 0)
1704 return r;
1705
1706 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1707
1708 STRV_FOREACH(c, deps) {
1709 if (strv_contains(*units, *c)) {
1710 if (!arg_plain) {
1711 printf(" ");
1712 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1713 if (r < 0)
1714 return r;
1715 }
1716 continue;
1717 }
1718
1719 if (arg_plain)
1720 printf(" ");
1721 else {
1722 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1723 const char *on;
1724
1725 (void) get_state_one_unit(bus, *c, &active_state);
1726
1727 switch (active_state) {
1728 case UNIT_ACTIVE:
1729 case UNIT_RELOADING:
1730 case UNIT_ACTIVATING:
1731 on = ansi_highlight_green();
1732 break;
1733
1734 case UNIT_INACTIVE:
1735 case UNIT_DEACTIVATING:
1736 on = ansi_normal();
1737 break;
1738
1739 default:
1740 on = ansi_highlight_red();
1741 break;
1742 }
1743
1744 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1745 }
1746
1747 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1748 if (r < 0)
1749 return r;
1750
1751 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1752 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1753 if (r < 0)
1754 return r;
1755 }
1756 }
1757
1758 if (!arg_plain)
1759 strv_remove(*units, name);
1760
1761 return 0;
1762 }
1763
1764 static int list_dependencies(int argc, char *argv[], void *userdata) {
1765 _cleanup_strv_free_ char **units = NULL;
1766 _cleanup_free_ char *unit = NULL;
1767 const char *u;
1768 sd_bus *bus;
1769 int r;
1770
1771 if (argv[1]) {
1772 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1773 if (r < 0)
1774 return log_error_errno(r, "Failed to mangle unit name: %m");
1775
1776 u = unit;
1777 } else
1778 u = SPECIAL_DEFAULT_TARGET;
1779
1780 r = acquire_bus(BUS_MANAGER, &bus);
1781 if (r < 0)
1782 return r;
1783
1784 (void) pager_open(arg_pager_flags);
1785
1786 puts(u);
1787
1788 return list_dependencies_one(bus, u, 0, &units, 0);
1789 }
1790
1791 struct machine_info {
1792 bool is_host;
1793 char *name;
1794 char *state;
1795 char *control_group;
1796 uint32_t n_failed_units;
1797 uint32_t n_jobs;
1798 usec_t timestamp;
1799 };
1800
1801 static const struct bus_properties_map machine_info_property_map[] = {
1802 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1803 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1804 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1805 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1806 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1807 {}
1808 };
1809
1810 static void machine_info_clear(struct machine_info *info) {
1811 assert(info);
1812
1813 free(info->name);
1814 free(info->state);
1815 free(info->control_group);
1816 zero(*info);
1817 }
1818
1819 static void free_machines_list(struct machine_info *machine_infos, int n) {
1820 int i;
1821
1822 if (!machine_infos)
1823 return;
1824
1825 for (i = 0; i < n; i++)
1826 machine_info_clear(&machine_infos[i]);
1827
1828 free(machine_infos);
1829 }
1830
1831 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1832 int r;
1833
1834 r = CMP(b->is_host, a->is_host);
1835 if (r != 0)
1836 return r;
1837
1838 return strcasecmp(a->name, b->name);
1839 }
1840
1841 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1842 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1843 int r;
1844
1845 assert(mi);
1846
1847 if (!bus) {
1848 r = sd_bus_open_system_machine(&container, mi->name);
1849 if (r < 0)
1850 return r;
1851
1852 bus = container;
1853 }
1854
1855 r = bus_map_all_properties(
1856 bus,
1857 "org.freedesktop.systemd1",
1858 "/org/freedesktop/systemd1",
1859 machine_info_property_map,
1860 BUS_MAP_STRDUP,
1861 NULL,
1862 NULL,
1863 mi);
1864 if (r < 0)
1865 return r;
1866
1867 return 0;
1868 }
1869
1870 static bool output_show_machine(const char *name, char **patterns) {
1871 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1872 }
1873
1874 static int get_machine_list(
1875 sd_bus *bus,
1876 struct machine_info **_machine_infos,
1877 char **patterns) {
1878
1879 struct machine_info *machine_infos = NULL;
1880 _cleanup_strv_free_ char **m = NULL;
1881 _cleanup_free_ char *hn = NULL;
1882 size_t sz = 0;
1883 char **i;
1884 int c = 0, r;
1885
1886 hn = gethostname_malloc();
1887 if (!hn)
1888 return log_oom();
1889
1890 if (output_show_machine(hn, patterns)) {
1891 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1892 return log_oom();
1893
1894 machine_infos[c].is_host = true;
1895 machine_infos[c].name = TAKE_PTR(hn);
1896
1897 (void) get_machine_properties(bus, &machine_infos[c]);
1898 c++;
1899 }
1900
1901 r = sd_get_machine_names(&m);
1902 if (r < 0)
1903 return log_error_errno(r, "Failed to get machine list: %m");
1904
1905 STRV_FOREACH(i, m) {
1906 _cleanup_free_ char *class = NULL;
1907
1908 if (!output_show_machine(*i, patterns))
1909 continue;
1910
1911 sd_machine_get_class(*i, &class);
1912 if (!streq_ptr(class, "container"))
1913 continue;
1914
1915 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1916 free_machines_list(machine_infos, c);
1917 return log_oom();
1918 }
1919
1920 machine_infos[c].is_host = false;
1921 machine_infos[c].name = strdup(*i);
1922 if (!machine_infos[c].name) {
1923 free_machines_list(machine_infos, c);
1924 return log_oom();
1925 }
1926
1927 (void) get_machine_properties(NULL, &machine_infos[c]);
1928 c++;
1929 }
1930
1931 *_machine_infos = machine_infos;
1932 return c;
1933 }
1934
1935 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1936 struct machine_info *m;
1937 unsigned
1938 circle_len = 0,
1939 namelen = STRLEN("NAME"),
1940 statelen = STRLEN("STATE"),
1941 failedlen = STRLEN("FAILED"),
1942 jobslen = STRLEN("JOBS");
1943
1944 assert(machine_infos || n == 0);
1945
1946 for (m = machine_infos; m < machine_infos + n; m++) {
1947 namelen = MAX(namelen,
1948 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1949 statelen = MAX(statelen, strlen_ptr(m->state));
1950 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1951 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1952
1953 if (!arg_plain && !streq_ptr(m->state, "running"))
1954 circle_len = 2;
1955 }
1956
1957 if (!arg_no_legend) {
1958 if (circle_len > 0)
1959 fputs(" ", stdout);
1960
1961 printf("%-*s %-*s %-*s %-*s\n",
1962 namelen, "NAME",
1963 statelen, "STATE",
1964 failedlen, "FAILED",
1965 jobslen, "JOBS");
1966 }
1967
1968 for (m = machine_infos; m < machine_infos + n; m++) {
1969 const char *on_state = "", *off_state = "";
1970 const char *on_failed = "", *off_failed = "";
1971 bool circle = false;
1972
1973 if (streq_ptr(m->state, "degraded")) {
1974 on_state = ansi_highlight_red();
1975 off_state = ansi_normal();
1976 circle = true;
1977 } else if (!streq_ptr(m->state, "running")) {
1978 on_state = ansi_highlight_yellow();
1979 off_state = ansi_normal();
1980 circle = true;
1981 }
1982
1983 if (m->n_failed_units > 0) {
1984 on_failed = ansi_highlight_red();
1985 off_failed = ansi_normal();
1986 } else
1987 on_failed = off_failed = "";
1988
1989 if (circle_len > 0)
1990 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
1991
1992 if (m->is_host)
1993 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
1994 (int) (namelen - (STRLEN(" (host)"))),
1995 strna(m->name),
1996 on_state, statelen, strna(m->state), off_state,
1997 on_failed, failedlen, m->n_failed_units, off_failed,
1998 jobslen, m->n_jobs);
1999 else
2000 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2001 namelen, strna(m->name),
2002 on_state, statelen, strna(m->state), off_state,
2003 on_failed, failedlen, m->n_failed_units, off_failed,
2004 jobslen, m->n_jobs);
2005 }
2006
2007 if (!arg_no_legend)
2008 printf("\n%u machines listed.\n", n);
2009 }
2010
2011 static int list_machines(int argc, char *argv[], void *userdata) {
2012 struct machine_info *machine_infos = NULL;
2013 sd_bus *bus;
2014 int r;
2015
2016 r = acquire_bus(BUS_MANAGER, &bus);
2017 if (r < 0)
2018 return r;
2019
2020 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2021 if (r < 0)
2022 return r;
2023
2024 (void) pager_open(arg_pager_flags);
2025
2026 typesafe_qsort(machine_infos, r, compare_machine_info);
2027 output_machines_list(machine_infos, r);
2028 free_machines_list(machine_infos, r);
2029
2030 return 0;
2031 }
2032
2033 static int get_default(int argc, char *argv[], void *userdata) {
2034 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2035 _cleanup_free_ char *_path = NULL;
2036 const char *path;
2037 int r;
2038
2039 if (install_client_side()) {
2040 r = unit_file_get_default(arg_scope, arg_root, &_path);
2041 if (r < 0)
2042 return log_error_errno(r, "Failed to get default target: %m");
2043 path = _path;
2044
2045 r = 0;
2046 } else {
2047 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2048 sd_bus *bus;
2049
2050 r = acquire_bus(BUS_MANAGER, &bus);
2051 if (r < 0)
2052 return r;
2053
2054 r = sd_bus_call_method(
2055 bus,
2056 "org.freedesktop.systemd1",
2057 "/org/freedesktop/systemd1",
2058 "org.freedesktop.systemd1.Manager",
2059 "GetDefaultTarget",
2060 &error,
2061 &reply,
2062 NULL);
2063 if (r < 0)
2064 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2065
2066 r = sd_bus_message_read(reply, "s", &path);
2067 if (r < 0)
2068 return bus_log_parse_error(r);
2069 }
2070
2071 if (path)
2072 printf("%s\n", path);
2073
2074 return 0;
2075 }
2076
2077 static int set_default(int argc, char *argv[], void *userdata) {
2078 _cleanup_free_ char *unit = NULL;
2079 UnitFileChange *changes = NULL;
2080 size_t n_changes = 0;
2081 int r;
2082
2083 assert(argc >= 2);
2084 assert(argv);
2085
2086 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2087 if (r < 0)
2088 return log_error_errno(r, "Failed to mangle unit name: %m");
2089
2090 if (install_client_side()) {
2091 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2092 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2093
2094 if (r > 0)
2095 r = 0;
2096 } else {
2097 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2098 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2099 sd_bus *bus;
2100
2101 polkit_agent_open_maybe();
2102
2103 r = acquire_bus(BUS_MANAGER, &bus);
2104 if (r < 0)
2105 return r;
2106
2107 r = sd_bus_call_method(
2108 bus,
2109 "org.freedesktop.systemd1",
2110 "/org/freedesktop/systemd1",
2111 "org.freedesktop.systemd1.Manager",
2112 "SetDefaultTarget",
2113 &error,
2114 &reply,
2115 "sb", unit, 1);
2116 if (r < 0)
2117 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2118
2119 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2120 if (r < 0)
2121 goto finish;
2122
2123 /* Try to reload if enabled */
2124 if (!arg_no_reload)
2125 r = daemon_reload(argc, argv, userdata);
2126 else
2127 r = 0;
2128 }
2129
2130 finish:
2131 unit_file_changes_free(changes, n_changes);
2132
2133 return r;
2134 }
2135
2136 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2137 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2138 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2139 const char *name, *type;
2140 uint32_t other_id;
2141 int r;
2142
2143 assert(bus);
2144
2145 r = sd_bus_call_method(
2146 bus,
2147 "org.freedesktop.systemd1",
2148 "/org/freedesktop/systemd1",
2149 "org.freedesktop.systemd1.Manager",
2150 method,
2151 &error,
2152 &reply,
2153 "u", id);
2154 if (r < 0)
2155 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2156
2157 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2158 if (r < 0)
2159 return bus_log_parse_error(r);
2160
2161 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2162 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2163 if (r < 0)
2164 return bus_log_parse_error(r);
2165
2166 r = sd_bus_message_exit_container(reply);
2167 if (r < 0)
2168 return bus_log_parse_error(r);
2169
2170 return 0;
2171 }
2172
2173 struct job_info {
2174 uint32_t id;
2175 const char *name, *type, *state;
2176 };
2177
2178 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2179 unsigned id_len, unit_len, type_len, state_len;
2180 const struct job_info *j;
2181 const char *on, *off;
2182 bool shorten = false;
2183
2184 assert(n == 0 || jobs);
2185
2186 if (n == 0) {
2187 if (!arg_no_legend) {
2188 on = ansi_highlight_green();
2189 off = ansi_normal();
2190
2191 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2192 }
2193 return;
2194 }
2195
2196 (void) pager_open(arg_pager_flags);
2197
2198 id_len = STRLEN("JOB");
2199 unit_len = STRLEN("UNIT");
2200 type_len = STRLEN("TYPE");
2201 state_len = STRLEN("STATE");
2202
2203 for (j = jobs; j < jobs + n; j++) {
2204 uint32_t id = j->id;
2205 assert(j->name && j->type && j->state);
2206
2207 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2208 unit_len = MAX(unit_len, strlen(j->name));
2209 type_len = MAX(type_len, strlen(j->type));
2210 state_len = MAX(state_len, strlen(j->state));
2211 }
2212
2213 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2214 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2215 shorten = true;
2216 }
2217
2218 if (!arg_no_legend)
2219 printf("%*s %-*s %-*s %-*s\n",
2220 id_len, "JOB",
2221 unit_len, "UNIT",
2222 type_len, "TYPE",
2223 state_len, "STATE");
2224
2225 for (j = jobs; j < jobs + n; j++) {
2226 _cleanup_free_ char *e = NULL;
2227
2228 if (streq(j->state, "running")) {
2229 on = ansi_highlight();
2230 off = ansi_normal();
2231 } else
2232 on = off = "";
2233
2234 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2235 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2236 id_len, j->id,
2237 on, unit_len, e ? e : j->name, off,
2238 type_len, j->type,
2239 on, state_len, j->state, off);
2240
2241 if (arg_jobs_after)
2242 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2243 if (arg_jobs_before)
2244 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2245 }
2246
2247 if (!arg_no_legend) {
2248 on = ansi_highlight();
2249 off = ansi_normal();
2250
2251 printf("\n%s%u jobs listed%s.\n", on, n, off);
2252 }
2253 }
2254
2255 static bool output_show_job(struct job_info *job, char **patterns) {
2256 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2257 }
2258
2259 static int list_jobs(int argc, char *argv[], void *userdata) {
2260 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2261 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2262 _cleanup_free_ struct job_info *jobs = NULL;
2263 const char *name, *type, *state;
2264 bool skipped = false;
2265 size_t size = 0;
2266 unsigned c = 0;
2267 sd_bus *bus;
2268 uint32_t id;
2269 int r;
2270
2271 r = acquire_bus(BUS_MANAGER, &bus);
2272 if (r < 0)
2273 return r;
2274
2275 r = sd_bus_call_method(
2276 bus,
2277 "org.freedesktop.systemd1",
2278 "/org/freedesktop/systemd1",
2279 "org.freedesktop.systemd1.Manager",
2280 "ListJobs",
2281 &error,
2282 &reply,
2283 NULL);
2284 if (r < 0)
2285 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2286
2287 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2288 if (r < 0)
2289 return bus_log_parse_error(r);
2290
2291 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2292 struct job_info job = { id, name, type, state };
2293
2294 if (!output_show_job(&job, strv_skip(argv, 1))) {
2295 skipped = true;
2296 continue;
2297 }
2298
2299 if (!GREEDY_REALLOC(jobs, size, c + 1))
2300 return log_oom();
2301
2302 jobs[c++] = job;
2303 }
2304 if (r < 0)
2305 return bus_log_parse_error(r);
2306
2307 r = sd_bus_message_exit_container(reply);
2308 if (r < 0)
2309 return bus_log_parse_error(r);
2310
2311 (void) pager_open(arg_pager_flags);
2312
2313 output_jobs_list(bus, jobs, c, skipped);
2314 return 0;
2315 }
2316
2317 static int cancel_job(int argc, char *argv[], void *userdata) {
2318 sd_bus *bus;
2319 char **name;
2320 int r = 0;
2321
2322 if (argc <= 1)
2323 return trivial_method(argc, argv, userdata);
2324
2325 r = acquire_bus(BUS_MANAGER, &bus);
2326 if (r < 0)
2327 return r;
2328
2329 polkit_agent_open_maybe();
2330
2331 STRV_FOREACH(name, strv_skip(argv, 1)) {
2332 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2333 uint32_t id;
2334 int q;
2335
2336 q = safe_atou32(*name, &id);
2337 if (q < 0)
2338 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2339
2340 q = sd_bus_call_method(
2341 bus,
2342 "org.freedesktop.systemd1",
2343 "/org/freedesktop/systemd1",
2344 "org.freedesktop.systemd1.Manager",
2345 "CancelJob",
2346 &error,
2347 NULL,
2348 "u", id);
2349 if (q < 0) {
2350 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2351 if (r == 0)
2352 r = q;
2353 }
2354 }
2355
2356 return r;
2357 }
2358
2359 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2360 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2361 const char *path;
2362 int b, r;
2363
2364 /* We ignore all errors here, since this is used to show a
2365 * warning only */
2366
2367 /* We don't use unit_dbus_path_from_name() directly since we
2368 * don't want to load the unit if it isn't loaded. */
2369
2370 r = sd_bus_call_method(
2371 bus,
2372 "org.freedesktop.systemd1",
2373 "/org/freedesktop/systemd1",
2374 "org.freedesktop.systemd1.Manager",
2375 "GetUnit",
2376 NULL,
2377 &reply,
2378 "s", unit);
2379 if (r < 0)
2380 return r;
2381
2382 r = sd_bus_message_read(reply, "o", &path);
2383 if (r < 0)
2384 return r;
2385
2386 r = sd_bus_get_property_trivial(
2387 bus,
2388 "org.freedesktop.systemd1",
2389 path,
2390 "org.freedesktop.systemd1.Unit",
2391 "NeedDaemonReload",
2392 NULL,
2393 'b', &b);
2394 if (r < 0)
2395 return r;
2396
2397 return b;
2398 }
2399
2400 static void warn_unit_file_changed(const char *name) {
2401 assert(name);
2402
2403 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.",
2404 ansi_highlight_red(),
2405 ansi_normal(),
2406 name,
2407 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2408 }
2409
2410 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2411 char **p;
2412
2413 assert(lp);
2414 assert(unit_name);
2415
2416 STRV_FOREACH(p, lp->search_path) {
2417 _cleanup_free_ char *path = NULL, *lpath = NULL;
2418 int r;
2419
2420 path = path_join(*p, unit_name);
2421 if (!path)
2422 return log_oom();
2423
2424 r = chase_symlinks(path, arg_root, 0, &lpath);
2425 if (r == -ENOENT)
2426 continue;
2427 if (r == -ENOMEM)
2428 return log_oom();
2429 if (r < 0)
2430 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2431
2432 if (ret_unit_path)
2433 *ret_unit_path = TAKE_PTR(lpath);
2434
2435 return 1;
2436 }
2437
2438 if (ret_unit_path)
2439 *ret_unit_path = NULL;
2440
2441 return 0;
2442 }
2443
2444 static int unit_find_template_path(
2445 const char *unit_name,
2446 LookupPaths *lp,
2447 char **ret_fragment_path,
2448 char **ret_template) {
2449
2450 _cleanup_free_ char *t = NULL, *f = NULL;
2451 int r;
2452
2453 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2454
2455 r = unit_file_find_path(lp, unit_name, &f);
2456 if (r < 0)
2457 return r;
2458 if (r > 0) {
2459 if (ret_fragment_path)
2460 *ret_fragment_path = TAKE_PTR(f);
2461 if (ret_template)
2462 *ret_template = NULL;
2463 return r; /* found a real unit */
2464 }
2465
2466 r = unit_name_template(unit_name, &t);
2467 if (r == -EINVAL) {
2468 if (ret_fragment_path)
2469 *ret_fragment_path = NULL;
2470 if (ret_template)
2471 *ret_template = NULL;
2472
2473 return 0; /* not a template, does not exist */
2474 }
2475 if (r < 0)
2476 return log_error_errno(r, "Failed to determine template name: %m");
2477
2478 r = unit_file_find_path(lp, t, ret_fragment_path);
2479 if (r < 0)
2480 return r;
2481
2482 if (ret_template)
2483 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2484
2485 return r;
2486 }
2487
2488 static int unit_find_paths(
2489 sd_bus *bus,
2490 const char *unit_name,
2491 LookupPaths *lp,
2492 bool force_client_side,
2493 char **ret_fragment_path,
2494 char ***ret_dropin_paths) {
2495
2496 _cleanup_strv_free_ char **dropins = NULL;
2497 _cleanup_free_ char *path = NULL;
2498 int r;
2499
2500 /**
2501 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is found, and
2502 * sets:
2503 * - the path to the unit in *ret_frament_path, if it exists on disk,
2504 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins were found.
2505 *
2506 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for some
2507 * reason (the latter only applies if we are going through the service manager)
2508 */
2509
2510 assert(unit_name);
2511 assert(ret_fragment_path);
2512 assert(lp);
2513
2514 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2515 if (!force_client_side &&
2516 !install_client_side() &&
2517 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2518 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2519 _cleanup_free_ char *load_state = NULL, *unit = NULL;
2520
2521 unit = unit_dbus_path_from_name(unit_name);
2522 if (!unit)
2523 return log_oom();
2524
2525 r = sd_bus_get_property_string(
2526 bus,
2527 "org.freedesktop.systemd1",
2528 unit,
2529 "org.freedesktop.systemd1.Unit",
2530 "LoadState",
2531 &error,
2532 &load_state);
2533 if (r < 0)
2534 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2535
2536 if (streq(load_state, "masked"))
2537 return -ERFKILL;
2538 if (streq(load_state, "not-found")) {
2539 r = 0;
2540 goto not_found;
2541 }
2542 if (!streq(load_state, "loaded"))
2543 return -EKEYREJECTED;
2544
2545 r = sd_bus_get_property_string(
2546 bus,
2547 "org.freedesktop.systemd1",
2548 unit,
2549 "org.freedesktop.systemd1.Unit",
2550 "FragmentPath",
2551 &error,
2552 &path);
2553 if (r < 0)
2554 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2555
2556 if (ret_dropin_paths) {
2557 r = sd_bus_get_property_strv(
2558 bus,
2559 "org.freedesktop.systemd1",
2560 unit,
2561 "org.freedesktop.systemd1.Unit",
2562 "DropInPaths",
2563 &error,
2564 &dropins);
2565 if (r < 0)
2566 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2567 }
2568 } else {
2569 _cleanup_set_free_ Set *names = NULL;
2570 _cleanup_free_ char *template = NULL;
2571
2572 names = set_new(NULL);
2573 if (!names)
2574 return log_oom();
2575
2576 r = unit_find_template_path(unit_name, lp, &path, &template);
2577 if (r < 0)
2578 return r;
2579 if (r > 0) {
2580 if (null_or_empty_path(path))
2581 /* The template is masked. Let's cut the process short. */
2582 return -ERFKILL;
2583
2584 /* We found the unit file. If we followed symlinks, this name might be
2585 * different then the unit_name with started with. Look for dropins matching
2586 * that "final" name. */
2587 r = set_put(names, basename(path));
2588 } else if (!template)
2589 /* No unit file, let's look for dropins matching the original name.
2590 * systemd has fairly complicated rules (based on unit type and provenience),
2591 * which units are allowed not to have the main unit file. We err on the
2592 * side of including too many files, and always try to load dropins. */
2593 r = set_put(names, unit_name);
2594 else
2595 /* The cases where we allow a unit to exist without the main file are
2596 * never valid for templates. Don't try to load dropins in this case. */
2597 goto not_found;
2598
2599 if (r < 0)
2600 return log_error_errno(r, "Failed to add unit name: %m");
2601
2602 if (ret_dropin_paths) {
2603 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, NULL, names, &dropins);
2604 if (r < 0)
2605 return r;
2606 }
2607 }
2608
2609 r = 0;
2610
2611 if (!isempty(path)) {
2612 *ret_fragment_path = TAKE_PTR(path);
2613 r = 1;
2614 } else
2615 *ret_fragment_path = NULL;
2616
2617 if (ret_dropin_paths) {
2618 if (!strv_isempty(dropins)) {
2619 *ret_dropin_paths = TAKE_PTR(dropins);
2620 r = 1;
2621 } else
2622 *ret_dropin_paths = NULL;
2623 }
2624
2625 not_found:
2626 if (r == 0 && !arg_force)
2627 log_error("No files found for %s.", unit_name);
2628
2629 return r;
2630 }
2631
2632 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2633 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2634 _cleanup_free_ char *buf = NULL, *path = NULL;
2635 UnitActiveState state;
2636 int r;
2637
2638 assert(name);
2639 assert(active_state);
2640
2641 path = unit_dbus_path_from_name(name);
2642 if (!path)
2643 return log_oom();
2644
2645 r = sd_bus_get_property_string(
2646 bus,
2647 "org.freedesktop.systemd1",
2648 path,
2649 "org.freedesktop.systemd1.Unit",
2650 "ActiveState",
2651 &error,
2652 &buf);
2653 if (r < 0)
2654 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2655
2656 state = unit_active_state_from_string(buf);
2657 if (state < 0)
2658 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2659
2660 *active_state = state;
2661 return 0;
2662 }
2663
2664 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2665 _cleanup_free_ char *load_state = NULL;
2666 int r;
2667
2668 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2669 _cleanup_free_ char *path = NULL;
2670
2671 /* A template cannot be loaded, but it can be still masked, so
2672 * we need to use a different method. */
2673
2674 r = unit_file_find_path(lp, name, &path);
2675 if (r < 0)
2676 return r;
2677 if (r == 0)
2678 return false;
2679 return null_or_empty_path(path);
2680 }
2681
2682 r = unit_load_state(bus, name, &load_state);
2683 if (r < 0)
2684 return r;
2685
2686 return streq(load_state, "masked");
2687 }
2688
2689 static int check_triggering_units(sd_bus *bus, const char *name) {
2690 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2691 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2692 _cleanup_strv_free_ char **triggered_by = NULL;
2693 bool print_warning_label = true;
2694 UnitActiveState active_state;
2695 char **i;
2696 int r;
2697
2698 r = unit_name_mangle(name, 0, &n);
2699 if (r < 0)
2700 return log_error_errno(r, "Failed to mangle unit name: %m");
2701
2702 r = unit_load_state(bus, name, &load_state);
2703 if (r < 0)
2704 return r;
2705
2706 if (streq(load_state, "masked"))
2707 return 0;
2708
2709 path = unit_dbus_path_from_name(n);
2710 if (!path)
2711 return log_oom();
2712
2713 r = sd_bus_get_property_strv(
2714 bus,
2715 "org.freedesktop.systemd1",
2716 path,
2717 "org.freedesktop.systemd1.Unit",
2718 "TriggeredBy",
2719 &error,
2720 &triggered_by);
2721 if (r < 0)
2722 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2723
2724 STRV_FOREACH(i, triggered_by) {
2725 r = get_state_one_unit(bus, *i, &active_state);
2726 if (r < 0)
2727 return r;
2728
2729 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2730 continue;
2731
2732 if (print_warning_label) {
2733 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2734 print_warning_label = false;
2735 }
2736
2737 log_warning(" %s", *i);
2738 }
2739
2740 return 0;
2741 }
2742
2743 static const struct {
2744 const char *verb; /* systemctl verb */
2745 const char *method; /* Name of the specific D-Bus method */
2746 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2747 } unit_actions[] = {
2748 { "start", "StartUnit", "start" },
2749 { "stop", "StopUnit", "stop" },
2750 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2751 { "reload", "ReloadUnit", "reload" },
2752 { "restart", "RestartUnit", "restart" },
2753 { "try-restart", "TryRestartUnit", "try-restart" },
2754 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2755 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2756 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2757 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2758 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2759 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2760 };
2761
2762 static const char *verb_to_method(const char *verb) {
2763 size_t i;
2764
2765 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2766 if (streq_ptr(unit_actions[i].verb, verb))
2767 return unit_actions[i].method;
2768
2769 return "StartUnit";
2770 }
2771
2772 static const char *verb_to_job_type(const char *verb) {
2773 size_t i;
2774
2775 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2776 if (streq_ptr(unit_actions[i].verb, verb))
2777 return unit_actions[i].job_type;
2778
2779 return "start";
2780 }
2781
2782 typedef struct {
2783 sd_bus_slot *match;
2784 sd_event *event;
2785 Set *unit_paths;
2786 bool any_failed;
2787 } WaitContext;
2788
2789 static void wait_context_free(WaitContext *c) {
2790 c->match = sd_bus_slot_unref(c->match);
2791 c->event = sd_event_unref(c->event);
2792 c->unit_paths = set_free_free(c->unit_paths);
2793 }
2794
2795 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2796 const char *path, *interface, *active_state = NULL, *job_path = NULL;
2797 WaitContext *c = userdata;
2798 bool is_failed;
2799 int r;
2800
2801 /* Called whenever we get a PropertiesChanged signal. Checks if ActiveState changed to inactive/failed.
2802 *
2803 * Signal parameters: (s interface, a{sv} changed_properties, as invalidated_properties) */
2804
2805 path = sd_bus_message_get_path(m);
2806 if (!set_contains(c->unit_paths, path))
2807 return 0;
2808
2809 r = sd_bus_message_read(m, "s", &interface);
2810 if (r < 0)
2811 return bus_log_parse_error(r);
2812
2813 if (!streq(interface, "org.freedesktop.systemd1.Unit")) /* ActiveState is on the Unit interface */
2814 return 0;
2815
2816 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2817 if (r < 0)
2818 return bus_log_parse_error(r);
2819
2820 for (;;) {
2821 const char *s;
2822
2823 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv");
2824 if (r < 0)
2825 return bus_log_parse_error(r);
2826 if (r == 0) /* end of array */
2827 break;
2828
2829 r = sd_bus_message_read(m, "s", &s); /* Property name */
2830 if (r < 0)
2831 return bus_log_parse_error(r);
2832
2833 if (streq(s, "ActiveState")) {
2834 r = sd_bus_message_read(m, "v", "s", &active_state);
2835 if (r < 0)
2836 return bus_log_parse_error(r);
2837
2838 if (job_path) /* Found everything we need */
2839 break;
2840
2841 } else if (streq(s, "Job")) {
2842 uint32_t job_id;
2843
2844 r = sd_bus_message_read(m, "v", "(uo)", &job_id, &job_path);
2845 if (r < 0)
2846 return bus_log_parse_error(r);
2847
2848 /* There's still a job pending for this unit, let's ignore this for now, and return right-away. */
2849 if (job_id != 0)
2850 return 0;
2851
2852 if (active_state) /* Found everything we need */
2853 break;
2854
2855 } else {
2856 r = sd_bus_message_skip(m, "v"); /* Other property */
2857 if (r < 0)
2858 return bus_log_parse_error(r);
2859 }
2860
2861 r = sd_bus_message_exit_container(m);
2862 if (r < 0)
2863 return bus_log_parse_error(r);
2864 }
2865
2866 /* If this didn't contain the ActiveState property we can't do anything */
2867 if (!active_state)
2868 return 0;
2869
2870 is_failed = streq(active_state, "failed");
2871 if (streq(active_state, "inactive") || is_failed) {
2872 log_debug("%s became %s, dropping from --wait tracking", path, active_state);
2873 free(set_remove(c->unit_paths, path));
2874 c->any_failed = c->any_failed || is_failed;
2875 } else
2876 log_debug("ActiveState on %s changed to %s", path, active_state);
2877
2878 if (set_isempty(c->unit_paths))
2879 sd_event_exit(c->event, EXIT_SUCCESS);
2880
2881 return 0;
2882 }
2883
2884 static int wait_context_watch(
2885 WaitContext *wait_context,
2886 sd_bus *bus,
2887 const char *name) {
2888
2889 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2890 _cleanup_free_ char *unit_path = NULL;
2891 int r;
2892
2893 assert(wait_context);
2894 assert(name);
2895
2896 log_debug("Watching for property changes of %s", name);
2897 r = sd_bus_call_method(
2898 bus,
2899 "org.freedesktop.systemd1",
2900 "/org/freedesktop/systemd1",
2901 "org.freedesktop.systemd1.Manager",
2902 "RefUnit",
2903 &error,
2904 NULL,
2905 "s", name);
2906 if (r < 0)
2907 return log_error_errno(r, "Failed to add reference to unit %s: %s", name, bus_error_message(&error, r));
2908
2909 unit_path = unit_dbus_path_from_name(name);
2910 if (!unit_path)
2911 return log_oom();
2912
2913 r = set_ensure_allocated(&wait_context->unit_paths, &string_hash_ops);
2914 if (r < 0)
2915 return log_oom();
2916
2917 r = set_put_strdup(wait_context->unit_paths, unit_path);
2918 if (r < 0)
2919 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2920
2921 r = sd_bus_match_signal_async(bus,
2922 &wait_context->match,
2923 NULL,
2924 unit_path,
2925 "org.freedesktop.DBus.Properties",
2926 "PropertiesChanged",
2927 on_properties_changed, NULL, wait_context);
2928 if (r < 0)
2929 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2930
2931 return 0;
2932 }
2933
2934 static int start_unit_one(
2935 sd_bus *bus,
2936 const char *method, /* When using classic per-job bus methods */
2937 const char *job_type, /* When using new-style EnqueueUnitJob() */
2938 const char *name,
2939 const char *mode,
2940 sd_bus_error *error,
2941 BusWaitForJobs *w,
2942 WaitContext *wait_context) {
2943
2944 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2945 const char *path;
2946 bool done = false;
2947 int r;
2948
2949 assert(method);
2950 assert(name);
2951 assert(mode);
2952 assert(error);
2953
2954 if (wait_context) {
2955 r = wait_context_watch(wait_context, bus, name);
2956 if (r < 0)
2957 return r;
2958 }
2959
2960 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2961 arg_dry_run ? "Would execute" : "Executing",
2962 method, name, mode);
2963
2964 if (arg_dry_run)
2965 return 0;
2966
2967 if (arg_show_transaction) {
2968 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2969
2970 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2971 r = sd_bus_call_method(
2972 bus,
2973 "org.freedesktop.systemd1",
2974 "/org/freedesktop/systemd1",
2975 "org.freedesktop.systemd1.Manager",
2976 "EnqueueUnitJob",
2977 &enqueue_error,
2978 &reply,
2979 "sss",
2980 name, job_type, mode);
2981 if (r < 0) {
2982 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2983 (void) sd_bus_error_move(error, &enqueue_error);
2984 goto fail;
2985 }
2986
2987 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2988 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2989 } else {
2990 const char *u, *jt;
2991 uint32_t id;
2992
2993 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2994 if (r < 0)
2995 return bus_log_parse_error(r);
2996
2997 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2998
2999 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
3000 if (r < 0)
3001 return bus_log_parse_error(r);
3002 for (;;) {
3003 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
3004 if (r < 0)
3005 return bus_log_parse_error(r);
3006 if (r == 0)
3007 break;
3008
3009 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
3010 }
3011
3012 r = sd_bus_message_exit_container(reply);
3013 if (r < 0)
3014 return bus_log_parse_error(r);
3015
3016 done = true;
3017 }
3018 }
3019
3020 if (!done) {
3021 r = sd_bus_call_method(
3022 bus,
3023 "org.freedesktop.systemd1",
3024 "/org/freedesktop/systemd1",
3025 "org.freedesktop.systemd1.Manager",
3026 method,
3027 error,
3028 &reply,
3029 "ss", name, mode);
3030 if (r < 0)
3031 goto fail;
3032
3033 r = sd_bus_message_read(reply, "o", &path);
3034 if (r < 0)
3035 return bus_log_parse_error(r);
3036 }
3037
3038 if (need_daemon_reload(bus, name) > 0)
3039 warn_unit_file_changed(name);
3040
3041 if (w) {
3042 log_debug("Adding %s to the set", path);
3043 r = bus_wait_for_jobs_add(w, path);
3044 if (r < 0)
3045 return log_oom();
3046 }
3047
3048 return 0;
3049
3050 fail:
3051 /* There's always a fallback possible for legacy actions. */
3052 if (arg_action != ACTION_SYSTEMCTL)
3053 return r;
3054
3055 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
3056
3057 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
3058 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
3059 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
3060 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
3061 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
3062 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
3063 name[0] == '-' ? " --" : "",
3064 name);
3065
3066 return r;
3067 }
3068
3069 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
3070 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
3071 char **name;
3072 int r, i;
3073
3074 assert(bus);
3075 assert(ret);
3076
3077 STRV_FOREACH(name, names) {
3078 char *t;
3079 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
3080
3081 if (suffix)
3082 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
3083 else
3084 r = unit_name_mangle(*name, options, &t);
3085 if (r < 0)
3086 return log_error_errno(r, "Failed to mangle name: %m");
3087
3088 if (string_is_glob(t))
3089 r = strv_consume(&globs, t);
3090 else
3091 r = strv_consume(&mangled, t);
3092 if (r < 0)
3093 return log_oom();
3094 }
3095
3096 /* Query the manager only if any of the names are a glob, since
3097 * this is fairly expensive */
3098 if (!strv_isempty(globs)) {
3099 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3100 _cleanup_free_ UnitInfo *unit_infos = NULL;
3101 size_t allocated, n;
3102
3103 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
3104 if (r < 0)
3105 return r;
3106
3107 n = strv_length(mangled);
3108 allocated = n + 1;
3109
3110 for (i = 0; i < r; i++) {
3111 if (!GREEDY_REALLOC(mangled, allocated, n+2))
3112 return log_oom();
3113
3114 mangled[n] = strdup(unit_infos[i].id);
3115 if (!mangled[n])
3116 return log_oom();
3117
3118 mangled[++n] = NULL;
3119 }
3120 }
3121
3122 *ret = TAKE_PTR(mangled);
3123 return 0;
3124 }
3125
3126 static const struct {
3127 const char *target;
3128 const char *verb;
3129 const char *mode;
3130 } action_table[_ACTION_MAX] = {
3131 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3132 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3133 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3134 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3135 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3136 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3137 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3138 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3139 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3140 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3141 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3142 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3143 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3144 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3145 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3146 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3147 };
3148
3149 static enum action verb_to_action(const char *verb) {
3150 enum action i;
3151
3152 for (i = 0; i < _ACTION_MAX; i++)
3153 if (streq_ptr(action_table[i].verb, verb))
3154 return i;
3155
3156 return _ACTION_INVALID;
3157 }
3158
3159 static const char** make_extra_args(const char *extra_args[static 4]) {
3160 size_t n = 0;
3161
3162 if (arg_scope != UNIT_FILE_SYSTEM)
3163 extra_args[n++] = "--user";
3164
3165 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3166 extra_args[n++] = "-H";
3167 extra_args[n++] = arg_host;
3168 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3169 extra_args[n++] = "-M";
3170 extra_args[n++] = arg_host;
3171 } else
3172 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3173
3174 extra_args[n] = NULL;
3175 return extra_args;
3176 }
3177
3178 static int start_unit(int argc, char *argv[], void *userdata) {
3179 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3180 _cleanup_(wait_context_free) WaitContext wait_context = {};
3181 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3182 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3183 _cleanup_strv_free_ char **names = NULL;
3184 int r, ret = EXIT_SUCCESS;
3185 sd_bus *bus;
3186 char **name;
3187
3188 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3189 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3190 "--wait may only be used with the 'start' or 'restart' commands.");
3191
3192 /* we cannot do sender tracking on the private bus, so we need the full
3193 * one for RefUnit to implement --wait */
3194 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3195 if (r < 0)
3196 return r;
3197
3198 ask_password_agent_open_if_enabled();
3199 polkit_agent_open_maybe();
3200
3201 if (arg_action == ACTION_SYSTEMCTL) {
3202 enum action action;
3203
3204 action = verb_to_action(argv[0]);
3205
3206 if (action != _ACTION_INVALID) {
3207 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3208 method = "StartUnit";
3209 job_type = "start";
3210 mode = action_table[action].mode;
3211 one_name = action_table[action].target;
3212 } else {
3213 if (streq(argv[0], "isolate")) {
3214 /* A "systemctl isolate <unit1> <unit2> …" command */
3215 method = "StartUnit";
3216 job_type = "start";
3217 mode = "isolate";
3218 suffix = ".target";
3219 } else {
3220 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3221 method = verb_to_method(argv[0]);
3222 job_type = verb_to_job_type(argv[0]);
3223 mode = arg_job_mode;
3224 }
3225 one_name = NULL;
3226 }
3227 } else {
3228 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3229 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3230 assert(action_table[arg_action].target);
3231 assert(action_table[arg_action].mode);
3232
3233 method = "StartUnit";
3234 job_type = "start";
3235 mode = action_table[arg_action].mode;
3236 one_name = action_table[arg_action].target;
3237 }
3238
3239 if (one_name) {
3240 names = strv_new(one_name);
3241 if (!names)
3242 return log_oom();
3243 } else {
3244 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3245 if (r < 0)
3246 return log_error_errno(r, "Failed to expand names: %m");
3247 }
3248
3249 if (!arg_no_block) {
3250 r = bus_wait_for_jobs_new(bus, &w);
3251 if (r < 0)
3252 return log_error_errno(r, "Could not watch jobs: %m");
3253 }
3254
3255 if (arg_wait) {
3256 r = sd_bus_call_method_async(
3257 bus,
3258 NULL,
3259 "org.freedesktop.systemd1",
3260 "/org/freedesktop/systemd1",
3261 "org.freedesktop.systemd1.Manager",
3262 "Subscribe",
3263 NULL, NULL,
3264 NULL);
3265 if (r < 0)
3266 return log_error_errno(r, "Failed to enable subscription: %m");
3267
3268 r = sd_event_default(&wait_context.event);
3269 if (r < 0)
3270 return log_error_errno(r, "Failed to allocate event loop: %m");
3271
3272 r = sd_bus_attach_event(bus, wait_context.event, 0);
3273 if (r < 0)
3274 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3275 }
3276
3277 STRV_FOREACH(name, names) {
3278 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3279
3280 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3281 if (ret == EXIT_SUCCESS && r < 0)
3282 ret = translate_bus_error_to_exit_status(r, &error);
3283
3284 if (r >= 0 && streq(method, "StopUnit")) {
3285 r = strv_push(&stopped_units, *name);
3286 if (r < 0)
3287 return log_oom();
3288 }
3289 }
3290
3291 if (!arg_no_block) {
3292 const char* extra_args[4];
3293
3294 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3295 if (r < 0)
3296 return r;
3297
3298 /* When stopping units, warn if they can still be triggered by
3299 * another active unit (socket, path, timer) */
3300 if (!arg_quiet)
3301 STRV_FOREACH(name, stopped_units)
3302 (void) check_triggering_units(bus, *name);
3303 }
3304
3305 if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) {
3306 r = sd_event_loop(wait_context.event);
3307 if (r < 0)
3308 return log_error_errno(r, "Failed to run event loop: %m");
3309 if (wait_context.any_failed)
3310 ret = EXIT_FAILURE;
3311 }
3312
3313 return ret;
3314 }
3315
3316 #if ENABLE_LOGIND
3317 static int logind_set_wall_message(void) {
3318 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3319 sd_bus *bus;
3320 _cleanup_free_ char *m = NULL;
3321 int r;
3322
3323 r = acquire_bus(BUS_FULL, &bus);
3324 if (r < 0)
3325 return r;
3326
3327 m = strv_join(arg_wall, " ");
3328 if (!m)
3329 return log_oom();
3330
3331 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3332 if (arg_dry_run)
3333 return 0;
3334
3335 r = sd_bus_call_method(
3336 bus,
3337 "org.freedesktop.login1",
3338 "/org/freedesktop/login1",
3339 "org.freedesktop.login1.Manager",
3340 "SetWallMessage",
3341 &error,
3342 NULL,
3343 "sb",
3344 m,
3345 !arg_no_wall);
3346
3347 if (r < 0)
3348 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3349 return 0;
3350 }
3351 #endif
3352
3353 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3354 static int logind_reboot(enum action a) {
3355 #if ENABLE_LOGIND
3356 static const struct {
3357 const char *method;
3358 const char *description;
3359 } actions[_ACTION_MAX] = {
3360 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3361 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3362 [ACTION_HALT] = { "Halt", "halt system" },
3363 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3364 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3365 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3366 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3367 };
3368
3369 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3370 sd_bus *bus;
3371 int r;
3372
3373 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3374 return -EINVAL;
3375
3376 r = acquire_bus(BUS_FULL, &bus);
3377 if (r < 0)
3378 return r;
3379
3380 polkit_agent_open_maybe();
3381 (void) logind_set_wall_message();
3382
3383 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3384
3385 if (arg_dry_run)
3386 return 0;
3387
3388 r = sd_bus_call_method(
3389 bus,
3390 "org.freedesktop.login1",
3391 "/org/freedesktop/login1",
3392 "org.freedesktop.login1.Manager",
3393 actions[a].method,
3394 &error,
3395 NULL,
3396 "b", arg_ask_password);
3397 if (r < 0)
3398 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3399
3400 return 0;
3401 #else
3402 return -ENOSYS;
3403 #endif
3404 }
3405
3406 static int logind_check_inhibitors(enum action a) {
3407 #if ENABLE_LOGIND
3408 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3409 _cleanup_strv_free_ char **sessions = NULL;
3410 const char *what, *who, *why, *mode;
3411 uint32_t uid, pid;
3412 sd_bus *bus;
3413 unsigned c = 0;
3414 char **s;
3415 int r;
3416
3417 if (arg_ignore_inhibitors || arg_force > 0)
3418 return 0;
3419
3420 if (arg_when > 0)
3421 return 0;
3422
3423 if (geteuid() == 0)
3424 return 0;
3425
3426 if (!on_tty())
3427 return 0;
3428
3429 if (arg_transport != BUS_TRANSPORT_LOCAL)
3430 return 0;
3431
3432 r = acquire_bus(BUS_FULL, &bus);
3433 if (r < 0)
3434 return r;
3435
3436 r = sd_bus_call_method(
3437 bus,
3438 "org.freedesktop.login1",
3439 "/org/freedesktop/login1",
3440 "org.freedesktop.login1.Manager",
3441 "ListInhibitors",
3442 NULL,
3443 &reply,
3444 NULL);
3445 if (r < 0)
3446 /* If logind is not around, then there are no inhibitors... */
3447 return 0;
3448
3449 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3450 if (r < 0)
3451 return bus_log_parse_error(r);
3452
3453 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3454 _cleanup_free_ char *comm = NULL, *user = NULL;
3455 _cleanup_strv_free_ char **sv = NULL;
3456
3457 if (!streq(mode, "block"))
3458 continue;
3459
3460 sv = strv_split(what, ":");
3461 if (!sv)
3462 return log_oom();
3463
3464 if (!pid_is_valid((pid_t) pid))
3465 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3466
3467 if (!strv_contains(sv,
3468 IN_SET(a,
3469 ACTION_HALT,
3470 ACTION_POWEROFF,
3471 ACTION_REBOOT,
3472 ACTION_KEXEC) ? "shutdown" : "sleep"))
3473 continue;
3474
3475 get_process_comm(pid, &comm);
3476 user = uid_to_name(uid);
3477
3478 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3479 who, (pid_t) pid, strna(comm), strna(user), why);
3480
3481 c++;
3482 }
3483 if (r < 0)
3484 return bus_log_parse_error(r);
3485
3486 r = sd_bus_message_exit_container(reply);
3487 if (r < 0)
3488 return bus_log_parse_error(r);
3489
3490 /* Check for current sessions */
3491 sd_get_sessions(&sessions);
3492 STRV_FOREACH(s, sessions) {
3493 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3494
3495 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3496 continue;
3497
3498 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3499 continue;
3500
3501 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3502 continue;
3503
3504 sd_session_get_tty(*s, &tty);
3505 sd_session_get_seat(*s, &seat);
3506 sd_session_get_service(*s, &service);
3507 user = uid_to_name(uid);
3508
3509 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3510 c++;
3511 }
3512
3513 if (c <= 0)
3514 return 0;
3515
3516 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3517 action_table[a].verb);
3518
3519 return -EPERM;
3520 #else
3521 return 0;
3522 #endif
3523 }
3524
3525 static int prepare_firmware_setup(void) {
3526
3527 if (!arg_firmware_setup)
3528 return 0;
3529
3530 #if ENABLE_LOGIND
3531 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3532 sd_bus *bus;
3533 int r;
3534
3535 r = acquire_bus(BUS_FULL, &bus);
3536 if (r < 0)
3537 return r;
3538
3539 r = sd_bus_call_method(
3540 bus,
3541 "org.freedesktop.login1",
3542 "/org/freedesktop/login1",
3543 "org.freedesktop.login1.Manager",
3544 "SetRebootToFirmwareSetup",
3545 &error,
3546 NULL,
3547 "b", true);
3548 if (r < 0)
3549 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3550
3551 return 0;
3552 #else
3553 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3554 "Booting into firmware setup not supported.");
3555 #endif
3556 }
3557
3558 static int prepare_boot_loader_menu(void) {
3559
3560 if (arg_boot_loader_menu == USEC_INFINITY)
3561 return 0;
3562
3563 #if ENABLE_LOGIND
3564 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3565 sd_bus *bus;
3566 int r;
3567
3568 r = acquire_bus(BUS_FULL, &bus);
3569 if (r < 0)
3570 return r;
3571
3572 r = sd_bus_call_method(
3573 bus,
3574 "org.freedesktop.login1",
3575 "/org/freedesktop/login1",
3576 "org.freedesktop.login1.Manager",
3577 "SetRebootToBootLoaderMenu",
3578 &error,
3579 NULL,
3580 "t", arg_boot_loader_menu);
3581 if (r < 0)
3582 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3583
3584 return 0;
3585 #else
3586 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3587 "Booting into boot loader menu not supported.");
3588 #endif
3589 }
3590
3591 static int prepare_boot_loader_entry(void) {
3592
3593 if (!arg_boot_loader_entry)
3594 return 0;
3595
3596 #if ENABLE_LOGIND
3597 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3598 sd_bus *bus;
3599 int r;
3600
3601 r = acquire_bus(BUS_FULL, &bus);
3602 if (r < 0)
3603 return r;
3604
3605 r = sd_bus_call_method(
3606 bus,
3607 "org.freedesktop.login1",
3608 "/org/freedesktop/login1",
3609 "org.freedesktop.login1.Manager",
3610 "SetRebootToBootLoaderEntry",
3611 &error,
3612 NULL,
3613 "s", arg_boot_loader_entry);
3614 if (r < 0)
3615 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3616
3617 return 0;
3618 #else
3619 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3620 "Booting into boot loader entry not supported.");
3621 #endif
3622 }
3623
3624 static int load_kexec_kernel(void) {
3625 _cleanup_(boot_config_free) BootConfig config = {};
3626 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3627 const BootEntry *e;
3628 pid_t pid;
3629 int r;
3630
3631 if (kexec_loaded()) {
3632 log_debug("Kexec kernel already loaded.");
3633 return 0;
3634 }
3635
3636 if (access(KEXEC, X_OK) < 0)
3637 return log_error_errno(errno, KEXEC" is not available: %m");
3638
3639 r = boot_entries_load_config_auto(NULL, NULL, &config);
3640 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3641 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3642 if (r < 0)
3643 return r;
3644
3645 e = boot_config_default_entry(&config);
3646 if (!e)
3647 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3648 "No boot loader entry suitable as default, refusing to guess.");
3649
3650 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3651
3652 if (!e->kernel)
3653 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3654 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3655 if (strv_length(e->initrd) > 1)
3656 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3657 "Boot entry specifies multiple initrds, which is not supported currently.");
3658
3659 kernel = path_join(e->root, e->kernel);
3660 if (!kernel)
3661 return log_oom();
3662
3663 if (!strv_isempty(e->initrd)) {
3664 initrd = path_join(e->root, e->initrd[0]);
3665 if (!initrd)
3666 return log_oom();
3667 }
3668
3669 options = strv_join(e->options, " ");
3670 if (!options)
3671 return log_oom();
3672
3673 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3674 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3675 arg_dry_run ? "Would run" : "Running",
3676 kernel,
3677 options,
3678 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3679 if (arg_dry_run)
3680 return 0;
3681
3682 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3683 if (r < 0)
3684 return r;
3685 if (r == 0) {
3686 const char* const args[] = {
3687 KEXEC,
3688 "--load", kernel,
3689 "--append", options,
3690 initrd ? "--initrd" : NULL, initrd,
3691 NULL
3692 };
3693
3694 /* Child */
3695 execv(args[0], (char * const *) args);
3696 _exit(EXIT_FAILURE);
3697 }
3698
3699 return 0;
3700 }
3701
3702 static int set_exit_code(uint8_t code) {
3703 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3704 sd_bus *bus;
3705 int r;
3706
3707 r = acquire_bus(BUS_MANAGER, &bus);
3708 if (r < 0)
3709 return r;
3710
3711 r = sd_bus_call_method(
3712 bus,
3713 "org.freedesktop.systemd1",
3714 "/org/freedesktop/systemd1",
3715 "org.freedesktop.systemd1.Manager",
3716 "SetExitCode",
3717 &error,
3718 NULL,
3719 "y", code);
3720 if (r < 0)
3721 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3722
3723 return 0;
3724 }
3725
3726 static int start_special(int argc, char *argv[], void *userdata) {
3727 enum action a;
3728 int r;
3729 bool termination_action; /* an action that terminates the manager,
3730 * can be performed also by signal. */
3731
3732 assert(argv);
3733
3734 a = verb_to_action(argv[0]);
3735
3736 r = logind_check_inhibitors(a);
3737 if (r < 0)
3738 return r;
3739
3740 if (arg_force >= 2) {
3741 r = must_be_root();
3742 if (r < 0)
3743 return r;
3744 }
3745
3746 r = prepare_firmware_setup();
3747 if (r < 0)
3748 return r;
3749
3750 r = prepare_boot_loader_menu();
3751 if (r < 0)
3752 return r;
3753
3754 r = prepare_boot_loader_entry();
3755 if (r < 0)
3756 return r;
3757
3758 if (a == ACTION_REBOOT && argc > 1) {
3759 r = update_reboot_parameter_and_warn(argv[1], false);
3760 if (r < 0)
3761 return r;
3762
3763 } else if (a == ACTION_KEXEC) {
3764 r = load_kexec_kernel();
3765 if (r < 0 && arg_force >= 1)
3766 log_notice("Failed to load kexec kernel, continuing without.");
3767 else if (r < 0)
3768 return r;
3769
3770 } else if (a == ACTION_EXIT && argc > 1) {
3771 uint8_t code;
3772
3773 /* If the exit code is not given on the command line,
3774 * don't reset it to zero: just keep it as it might
3775 * have been set previously. */
3776
3777 r = safe_atou8(argv[1], &code);
3778 if (r < 0)
3779 return log_error_errno(r, "Invalid exit code.");
3780
3781 r = set_exit_code(code);
3782 if (r < 0)
3783 return r;
3784 }
3785
3786 termination_action = IN_SET(a,
3787 ACTION_HALT,
3788 ACTION_POWEROFF,
3789 ACTION_REBOOT);
3790 if (termination_action && arg_force >= 2)
3791 return halt_now(a);
3792
3793 if (arg_force >= 1 &&
3794 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3795 r = trivial_method(argc, argv, userdata);
3796 else {
3797 /* First try logind, to allow authentication with polkit */
3798 if (IN_SET(a,
3799 ACTION_POWEROFF,
3800 ACTION_REBOOT,
3801 ACTION_HALT,
3802 ACTION_SUSPEND,
3803 ACTION_HIBERNATE,
3804 ACTION_HYBRID_SLEEP,
3805 ACTION_SUSPEND_THEN_HIBERNATE)) {
3806
3807 r = logind_reboot(a);
3808 if (r >= 0)
3809 return r;
3810 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3811 /* requested operation is not supported or already in progress */
3812 return r;
3813
3814 /* On all other errors, try low-level operation. In order to minimize the difference between
3815 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3816 * logind's shutdown operations are always non-blocking. */
3817
3818 arg_no_block = true;
3819
3820 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3821 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3822 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3823 arg_no_block = true;
3824
3825 r = start_unit(argc, argv, userdata);
3826 }
3827
3828 if (termination_action && arg_force < 2 &&
3829 IN_SET(r, -ENOENT, -ETIMEDOUT))
3830 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3831
3832 return r;
3833 }
3834
3835 static int start_system_special(int argc, char *argv[], void *userdata) {
3836 /* Like start_special above, but raises an error when running in user mode */
3837
3838 if (arg_scope != UNIT_FILE_SYSTEM)
3839 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3840 "Bad action for %s mode.",
3841 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3842
3843 return start_special(argc, argv, userdata);
3844 }
3845
3846 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3847 _cleanup_strv_free_ char **names = NULL;
3848 UnitActiveState active_state;
3849 sd_bus *bus;
3850 char **name;
3851 int r, i;
3852 bool found = false;
3853
3854 r = acquire_bus(BUS_MANAGER, &bus);
3855 if (r < 0)
3856 return r;
3857
3858 r = expand_names(bus, args, NULL, &names);
3859 if (r < 0)
3860 return log_error_errno(r, "Failed to expand names: %m");
3861
3862 STRV_FOREACH(name, names) {
3863 r = get_state_one_unit(bus, *name, &active_state);
3864 if (r < 0)
3865 return r;
3866
3867 if (!arg_quiet)
3868 puts(unit_active_state_to_string(active_state));
3869
3870 for (i = 0; i < nb_states; ++i)
3871 if (good_states[i] == active_state)
3872 found = true;
3873 }
3874
3875 /* use the given return code for the case that we won't find
3876 * any unit which matches the list */
3877 return found ? 0 : code;
3878 }
3879
3880 static int check_unit_active(int argc, char *argv[], void *userdata) {
3881 static const UnitActiveState states[] = {
3882 UNIT_ACTIVE,
3883 UNIT_RELOADING,
3884 };
3885
3886 /* According to LSB: 3, "program is not running" */
3887 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3888 }
3889
3890 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3891 static const UnitActiveState states[] = {
3892 UNIT_FAILED,
3893 };
3894
3895 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3896 }
3897
3898 static int kill_unit(int argc, char *argv[], void *userdata) {
3899 _cleanup_strv_free_ char **names = NULL;
3900 char *kill_who = NULL, **name;
3901 sd_bus *bus;
3902 int r, q;
3903
3904 r = acquire_bus(BUS_MANAGER, &bus);
3905 if (r < 0)
3906 return r;
3907
3908 polkit_agent_open_maybe();
3909
3910 if (!arg_kill_who)
3911 arg_kill_who = "all";
3912
3913 /* --fail was specified */
3914 if (streq(arg_job_mode, "fail"))
3915 kill_who = strjoina(arg_kill_who, "-fail");
3916
3917 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3918 if (r < 0)
3919 return log_error_errno(r, "Failed to expand names: %m");
3920
3921 STRV_FOREACH(name, names) {
3922 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3923
3924 q = sd_bus_call_method(
3925 bus,
3926 "org.freedesktop.systemd1",
3927 "/org/freedesktop/systemd1",
3928 "org.freedesktop.systemd1.Manager",
3929 "KillUnit",
3930 &error,
3931 NULL,
3932 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3933 if (q < 0) {
3934 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3935 if (r == 0)
3936 r = q;
3937 }
3938 }
3939
3940 return r;
3941 }
3942
3943 typedef struct ExecStatusInfo {
3944 char *name;
3945
3946 char *path;
3947 char **argv;
3948
3949 bool ignore;
3950
3951 usec_t start_timestamp;
3952 usec_t exit_timestamp;
3953 pid_t pid;
3954 int code;
3955 int status;
3956
3957 LIST_FIELDS(struct ExecStatusInfo, exec);
3958 } ExecStatusInfo;
3959
3960 static void exec_status_info_free(ExecStatusInfo *i) {
3961 assert(i);
3962
3963 free(i->name);
3964 free(i->path);
3965 strv_free(i->argv);
3966 free(i);
3967 }
3968
3969 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3970 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3971 const char *path;
3972 uint32_t pid;
3973 int32_t code, status;
3974 int ignore, r;
3975
3976 assert(m);
3977 assert(i);
3978
3979 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3980 if (r < 0)
3981 return bus_log_parse_error(r);
3982 else if (r == 0)
3983 return 0;
3984
3985 r = sd_bus_message_read(m, "s", &path);
3986 if (r < 0)
3987 return bus_log_parse_error(r);
3988
3989 i->path = strdup(path);
3990 if (!i->path)
3991 return log_oom();
3992
3993 r = sd_bus_message_read_strv(m, &i->argv);
3994 if (r < 0)
3995 return bus_log_parse_error(r);
3996
3997 r = sd_bus_message_read(m,
3998 "bttttuii",
3999 &ignore,
4000 &start_timestamp, &start_timestamp_monotonic,
4001 &exit_timestamp, &exit_timestamp_monotonic,
4002 &pid,
4003 &code, &status);
4004 if (r < 0)
4005 return bus_log_parse_error(r);
4006
4007 i->ignore = ignore;
4008 i->start_timestamp = (usec_t) start_timestamp;
4009 i->exit_timestamp = (usec_t) exit_timestamp;
4010 i->pid = (pid_t) pid;
4011 i->code = code;
4012 i->status = status;
4013
4014 r = sd_bus_message_exit_container(m);
4015 if (r < 0)
4016 return bus_log_parse_error(r);
4017
4018 return 1;
4019 }
4020
4021 typedef struct UnitCondition {
4022 char *name;
4023 char *param;
4024 bool trigger;
4025 bool negate;
4026 int tristate;
4027
4028 LIST_FIELDS(struct UnitCondition, conditions);
4029 } UnitCondition;
4030
4031 static void unit_condition_free(UnitCondition *c) {
4032 if (!c)
4033 return;
4034
4035 free(c->name);
4036 free(c->param);
4037 free(c);
4038 }
4039
4040 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4041
4042 typedef struct UnitStatusInfo {
4043 const char *id;
4044 const char *load_state;
4045 const char *active_state;
4046 const char *sub_state;
4047 const char *unit_file_state;
4048 const char *unit_file_preset;
4049
4050 const char *description;
4051 const char *following;
4052
4053 char **documentation;
4054
4055 const char *fragment_path;
4056 const char *source_path;
4057 const char *control_group;
4058
4059 char **dropin_paths;
4060
4061 const char *load_error;
4062 const char *result;
4063
4064 usec_t inactive_exit_timestamp;
4065 usec_t inactive_exit_timestamp_monotonic;
4066 usec_t active_enter_timestamp;
4067 usec_t active_exit_timestamp;
4068 usec_t inactive_enter_timestamp;
4069
4070 bool need_daemon_reload;
4071 bool transient;
4072
4073 /* Service */
4074 pid_t main_pid;
4075 pid_t control_pid;
4076 const char *status_text;
4077 const char *pid_file;
4078 bool running:1;
4079 int status_errno;
4080
4081 usec_t start_timestamp;
4082 usec_t exit_timestamp;
4083
4084 int exit_code, exit_status;
4085
4086 usec_t condition_timestamp;
4087 bool condition_result;
4088 LIST_HEAD(UnitCondition, conditions);
4089
4090 usec_t assert_timestamp;
4091 bool assert_result;
4092 bool failed_assert_trigger;
4093 bool failed_assert_negate;
4094 const char *failed_assert;
4095 const char *failed_assert_parameter;
4096 usec_t next_elapse_real;
4097 usec_t next_elapse_monotonic;
4098
4099 /* Socket */
4100 unsigned n_accepted;
4101 unsigned n_connections;
4102 unsigned n_refused;
4103 bool accept;
4104
4105 /* Pairs of type, path */
4106 char **listen;
4107
4108 /* Device */
4109 const char *sysfs_path;
4110
4111 /* Mount, Automount */
4112 const char *where;
4113
4114 /* Swap */
4115 const char *what;
4116
4117 /* CGroup */
4118 uint64_t memory_current;
4119 uint64_t memory_min;
4120 uint64_t memory_low;
4121 uint64_t memory_high;
4122 uint64_t memory_max;
4123 uint64_t memory_swap_max;
4124 uint64_t memory_limit;
4125 uint64_t cpu_usage_nsec;
4126 uint64_t tasks_current;
4127 uint64_t tasks_max;
4128
4129 uint64_t ip_ingress_bytes;
4130 uint64_t ip_egress_bytes;
4131
4132 LIST_HEAD(ExecStatusInfo, exec);
4133 } UnitStatusInfo;
4134
4135 static void unit_status_info_free(UnitStatusInfo *info) {
4136 ExecStatusInfo *p;
4137 UnitCondition *c;
4138
4139 strv_free(info->documentation);
4140 strv_free(info->dropin_paths);
4141 strv_free(info->listen);
4142
4143 while ((c = info->conditions)) {
4144 LIST_REMOVE(conditions, info->conditions, c);
4145 unit_condition_free(c);
4146 }
4147
4148 while ((p = info->exec)) {
4149 LIST_REMOVE(exec, info->exec, p);
4150 exec_status_info_free(p);
4151 }
4152 }
4153
4154 static void print_status_info(
4155 sd_bus *bus,
4156 UnitStatusInfo *i,
4157 bool *ellipsized) {
4158
4159 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4160 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4161 _cleanup_free_ char *formatted_path = NULL;
4162 ExecStatusInfo *p;
4163 usec_t timestamp;
4164 const char *path;
4165 char **t, **t2;
4166 int r;
4167
4168 assert(i);
4169
4170 /* This shows pretty information about a unit. See
4171 * print_property() for a low-level property printer */
4172
4173 if (streq_ptr(i->active_state, "failed")) {
4174 active_on = ansi_highlight_red();
4175 active_off = ansi_normal();
4176 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4177 active_on = ansi_highlight_green();
4178 active_off = ansi_normal();
4179 } else
4180 active_on = active_off = "";
4181
4182 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4183
4184 if (i->description && !streq_ptr(i->id, i->description))
4185 printf(" - %s", i->description);
4186
4187 printf("\n");
4188
4189 if (i->following)
4190 printf(" Follow: unit currently follows state of %s\n", i->following);
4191
4192 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4193 on = ansi_highlight_red();
4194 off = ansi_normal();
4195 } else
4196 on = off = "";
4197
4198 path = i->source_path ?: i->fragment_path;
4199 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4200 path = formatted_path;
4201
4202 if (!isempty(i->load_error))
4203 printf(" Loaded: %s%s%s (Reason: %s)\n",
4204 on, strna(i->load_state), off, i->load_error);
4205 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4206 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4207 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4208 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4209 else if (path && !isempty(i->unit_file_state))
4210 printf(" Loaded: %s%s%s (%s; %s)\n",
4211 on, strna(i->load_state), off, path, i->unit_file_state);
4212 else if (path)
4213 printf(" Loaded: %s%s%s (%s)\n",
4214 on, strna(i->load_state), off, path);
4215 else
4216 printf(" Loaded: %s%s%s\n",
4217 on, strna(i->load_state), off);
4218
4219 if (i->transient)
4220 printf("Transient: yes\n");
4221
4222 if (!strv_isempty(i->dropin_paths)) {
4223 _cleanup_free_ char *dir = NULL;
4224 bool last = false;
4225 char ** dropin;
4226
4227 STRV_FOREACH(dropin, i->dropin_paths) {
4228 _cleanup_free_ char *dropin_formatted = NULL;
4229 const char *df;
4230
4231 if (!dir || last) {
4232 printf(dir ? " " :
4233 " Drop-In: ");
4234
4235 dir = mfree(dir);
4236
4237 dir = dirname_malloc(*dropin);
4238 if (!dir) {
4239 log_oom();
4240 return;
4241 }
4242
4243 printf("%s\n"
4244 " %s", dir,
4245 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4246 }
4247
4248 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4249
4250 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4251 df = dropin_formatted;
4252 else
4253 df = *dropin;
4254
4255 printf("%s%s", df, last ? "\n" : ", ");
4256 }
4257 }
4258
4259 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4260 if (ss)
4261 printf(" Active: %s%s (%s)%s",
4262 active_on, strna(i->active_state), ss, active_off);
4263 else
4264 printf(" Active: %s%s%s",
4265 active_on, strna(i->active_state), active_off);
4266
4267 if (!isempty(i->result) && !streq(i->result, "success"))
4268 printf(" (Result: %s)", i->result);
4269
4270 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4271 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4272 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4273 i->active_exit_timestamp;
4274
4275 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4276 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4277
4278 if (s1)
4279 printf(" since %s; %s\n", s2, s1);
4280 else if (s2)
4281 printf(" since %s\n", s2);
4282 else
4283 printf("\n");
4284
4285 if (endswith(i->id, ".timer")) {
4286 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4287 tstamp2[FORMAT_TIMESTAMP_MAX];
4288 const char *next_rel_time, *next_time;
4289 dual_timestamp nw, next = {i->next_elapse_real,
4290 i->next_elapse_monotonic};
4291 usec_t next_elapse;
4292
4293 printf(" Trigger: ");
4294
4295 dual_timestamp_get(&nw);
4296 next_elapse = calc_next_elapse(&nw, &next);
4297 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4298 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4299
4300 if (next_time && next_rel_time)
4301 printf("%s; %s\n", next_time, next_rel_time);
4302 else
4303 printf("n/a\n");
4304 }
4305
4306 if (!i->condition_result && i->condition_timestamp > 0) {
4307 UnitCondition *c;
4308 int n = 0;
4309
4310 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4311 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4312
4313 printf("Condition: start %scondition failed%s at %s%s%s\n",
4314 ansi_highlight_yellow(), ansi_normal(),
4315 s2, s1 ? "; " : "", strempty(s1));
4316
4317 LIST_FOREACH(conditions, c, i->conditions)
4318 if (c->tristate < 0)
4319 n++;
4320
4321 LIST_FOREACH(conditions, c, i->conditions)
4322 if (c->tristate < 0)
4323 printf(" %s %s=%s%s%s was not met\n",
4324 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4325 c->name,
4326 c->trigger ? "|" : "",
4327 c->negate ? "!" : "",
4328 c->param);
4329 }
4330
4331 if (!i->assert_result && i->assert_timestamp > 0) {
4332 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4333 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4334
4335 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4336 ansi_highlight_red(), ansi_normal(),
4337 s2, s1 ? "; " : "", strempty(s1));
4338 if (i->failed_assert_trigger)
4339 printf(" none of the trigger assertions were met\n");
4340 else if (i->failed_assert)
4341 printf(" %s=%s%s was not met\n",
4342 i->failed_assert,
4343 i->failed_assert_negate ? "!" : "",
4344 i->failed_assert_parameter);
4345 }
4346
4347 if (i->sysfs_path)
4348 printf(" Device: %s\n", i->sysfs_path);
4349 if (i->where)
4350 printf(" Where: %s\n", i->where);
4351 if (i->what)
4352 printf(" What: %s\n", i->what);
4353
4354 STRV_FOREACH(t, i->documentation) {
4355 _cleanup_free_ char *formatted = NULL;
4356 const char *q;
4357
4358 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4359 q = formatted;
4360 else
4361 q = *t;
4362
4363 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4364 }
4365
4366 STRV_FOREACH_PAIR(t, t2, i->listen)
4367 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4368
4369 if (i->accept) {
4370 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4371 if (i->n_refused)
4372 printf(" Refused: %u", i->n_refused);
4373 printf("\n");
4374 }
4375
4376 LIST_FOREACH(exec, p, i->exec) {
4377 _cleanup_free_ char *argv = NULL;
4378 bool good;
4379
4380 /* Only show exited processes here */
4381 if (p->code == 0)
4382 continue;
4383
4384 argv = strv_join(p->argv, " ");
4385 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4386
4387 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4388 if (!good) {
4389 on = ansi_highlight_red();
4390 off = ansi_normal();
4391 } else
4392 on = off = "";
4393
4394 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4395
4396 if (p->code == CLD_EXITED) {
4397 const char *c;
4398
4399 printf("status=%i", p->status);
4400
4401 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4402 if (c)
4403 printf("/%s", c);
4404
4405 } else
4406 printf("signal=%s", signal_to_string(p->status));
4407
4408 printf(")%s\n", off);
4409
4410 if (i->main_pid == p->pid &&
4411 i->start_timestamp == p->start_timestamp &&
4412 i->exit_timestamp == p->start_timestamp)
4413 /* Let's not show this twice */
4414 i->main_pid = 0;
4415
4416 if (p->pid == i->control_pid)
4417 i->control_pid = 0;
4418 }
4419
4420 if (i->main_pid > 0 || i->control_pid > 0) {
4421 if (i->main_pid > 0) {
4422 printf(" Main PID: "PID_FMT, i->main_pid);
4423
4424 if (i->running) {
4425
4426 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4427 _cleanup_free_ char *comm = NULL;
4428
4429 (void) get_process_comm(i->main_pid, &comm);
4430 if (comm)
4431 printf(" (%s)", comm);
4432 }
4433
4434 } else if (i->exit_code > 0) {
4435 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4436
4437 if (i->exit_code == CLD_EXITED) {
4438 const char *c;
4439
4440 printf("status=%i", i->exit_status);
4441
4442 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4443 if (c)
4444 printf("/%s", c);
4445
4446 } else
4447 printf("signal=%s", signal_to_string(i->exit_status));
4448 printf(")");
4449 }
4450 }
4451
4452 if (i->control_pid > 0) {
4453 _cleanup_free_ char *c = NULL;
4454
4455 if (i->main_pid > 0)
4456 fputs("; Control PID: ", stdout);
4457 else
4458 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4459
4460 printf(PID_FMT, i->control_pid);
4461
4462 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4463 (void) get_process_comm(i->control_pid, &c);
4464 if (c)
4465 printf(" (%s)", c);
4466 }
4467 }
4468
4469 printf("\n");
4470 }
4471
4472 if (i->status_text)
4473 printf(" Status: \"%s\"\n", i->status_text);
4474 if (i->status_errno > 0)
4475 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4476
4477 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4478 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4479
4480 printf(" IP: %s in, %s out\n",
4481 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4482 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4483 }
4484
4485 if (i->tasks_current != (uint64_t) -1) {
4486 printf(" Tasks: %" PRIu64, i->tasks_current);
4487
4488 if (i->tasks_max != (uint64_t) -1)
4489 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4490 else
4491 printf("\n");
4492 }
4493
4494 if (i->memory_current != (uint64_t) -1) {
4495 char buf[FORMAT_BYTES_MAX];
4496
4497 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4498
4499 if (i->memory_min > 0 || i->memory_low > 0 ||
4500 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4501 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4502 i->memory_limit != CGROUP_LIMIT_MAX) {
4503 const char *prefix = "";
4504
4505 printf(" (");
4506 if (i->memory_min > 0) {
4507 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4508 prefix = " ";
4509 }
4510 if (i->memory_low > 0) {
4511 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4512 prefix = " ";
4513 }
4514 if (i->memory_high != CGROUP_LIMIT_MAX) {
4515 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4516 prefix = " ";
4517 }
4518 if (i->memory_max != CGROUP_LIMIT_MAX) {
4519 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4520 prefix = " ";
4521 }
4522 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4523 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4524 prefix = " ";
4525 }
4526 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4527 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4528 prefix = " ";
4529 }
4530 printf(")");
4531 }
4532 printf("\n");
4533 }
4534
4535 if (i->cpu_usage_nsec != (uint64_t) -1) {
4536 char buf[FORMAT_TIMESPAN_MAX];
4537 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4538 }
4539
4540 if (i->control_group) {
4541 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4542 static const char prefix[] = " ";
4543 unsigned c;
4544
4545 printf(" CGroup: %s\n", i->control_group);
4546
4547 c = columns();
4548 if (c > sizeof(prefix) - 1)
4549 c -= sizeof(prefix) - 1;
4550 else
4551 c = 0;
4552
4553 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4554 if (r == -EBADR) {
4555 unsigned k = 0;
4556 pid_t extra[2];
4557
4558 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4559
4560 if (i->main_pid > 0)
4561 extra[k++] = i->main_pid;
4562
4563 if (i->control_pid > 0)
4564 extra[k++] = i->control_pid;
4565
4566 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4567 } else if (r < 0)
4568 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4569 }
4570
4571 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4572 show_journal_by_unit(
4573 stdout,
4574 i->id,
4575 arg_output,
4576 0,
4577 i->inactive_exit_timestamp_monotonic,
4578 arg_lines,
4579 getuid(),
4580 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4581 SD_JOURNAL_LOCAL_ONLY,
4582 arg_scope == UNIT_FILE_SYSTEM,
4583 ellipsized);
4584
4585 if (i->need_daemon_reload)
4586 warn_unit_file_changed(i->id);
4587 }
4588
4589 static void show_unit_help(UnitStatusInfo *i) {
4590 char **p;
4591
4592 assert(i);
4593
4594 if (!i->documentation) {
4595 log_info("Documentation for %s not known.", i->id);
4596 return;
4597 }
4598
4599 STRV_FOREACH(p, i->documentation)
4600 if (startswith(*p, "man:"))
4601 show_man_page(*p + 4, false);
4602 else
4603 log_info("Can't show: %s", *p);
4604 }
4605
4606 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4607 UnitStatusInfo *i = userdata;
4608 uint32_t u;
4609 int r;
4610
4611 r = sd_bus_message_read(m, "u", &u);
4612 if (r < 0)
4613 return r;
4614
4615 i->main_pid = (pid_t) u;
4616 i->running = u > 0;
4617
4618 return 0;
4619 }
4620
4621 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4622 const char *message, **p = userdata;
4623 int r;
4624
4625 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4626 if (r < 0)
4627 return r;
4628
4629 if (!isempty(message))
4630 *p = message;
4631
4632 return 0;
4633 }
4634
4635 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4636 const char *type, *path;
4637 char ***p = userdata;
4638 int r;
4639
4640 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4641 if (r < 0)
4642 return r;
4643
4644 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4645
4646 r = strv_extend(p, type);
4647 if (r < 0)
4648 return r;
4649
4650 r = strv_extend(p, path);
4651 if (r < 0)
4652 return r;
4653 }
4654 if (r < 0)
4655 return r;
4656
4657 r = sd_bus_message_exit_container(m);
4658 if (r < 0)
4659 return r;
4660
4661 return 0;
4662 }
4663
4664 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4665 UnitStatusInfo *i = userdata;
4666 const char *cond, *param;
4667 int trigger, negate;
4668 int32_t state;
4669 int r;
4670
4671 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4672 if (r < 0)
4673 return r;
4674
4675 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4676 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4677
4678 c = new(UnitCondition, 1);
4679 if (!c)
4680 return -ENOMEM;
4681
4682 *c = (UnitCondition) {
4683 .name = strdup(cond),
4684 .param = strdup(param),
4685 .trigger = trigger,
4686 .negate = negate,
4687 .tristate = state,
4688 };
4689
4690 if (!c->name || !c->param)
4691 return -ENOMEM;
4692
4693
4694 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4695 }
4696 if (r < 0)
4697 return r;
4698
4699 r = sd_bus_message_exit_container(m);
4700 if (r < 0)
4701 return r;
4702
4703 return 0;
4704 }
4705
4706 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4707 UnitStatusInfo *i = userdata;
4708 const char *cond, *param;
4709 int trigger, negate;
4710 int32_t state;
4711 int r;
4712
4713 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4714 if (r < 0)
4715 return r;
4716
4717 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4718 if (state < 0 && (!trigger || !i->failed_assert)) {
4719 i->failed_assert = cond;
4720 i->failed_assert_trigger = trigger;
4721 i->failed_assert_negate = negate;
4722 i->failed_assert_parameter = param;
4723 }
4724 }
4725 if (r < 0)
4726 return r;
4727
4728 r = sd_bus_message_exit_container(m);
4729 if (r < 0)
4730 return r;
4731
4732 return 0;
4733 }
4734
4735 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4736 _cleanup_free_ ExecStatusInfo *info = NULL;
4737 ExecStatusInfo *last;
4738 UnitStatusInfo *i = userdata;
4739 int r;
4740
4741 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4742 if (r < 0)
4743 return r;
4744
4745 info = new0(ExecStatusInfo, 1);
4746 if (!info)
4747 return -ENOMEM;
4748
4749 LIST_FIND_TAIL(exec, i->exec, last);
4750
4751 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4752
4753 info->name = strdup(member);
4754 if (!info->name)
4755 return -ENOMEM;
4756
4757 LIST_INSERT_AFTER(exec, i->exec, last, info);
4758 last = info;
4759
4760 info = new0(ExecStatusInfo, 1);
4761 if (!info)
4762 return -ENOMEM;
4763 }
4764 if (r < 0)
4765 return r;
4766
4767 r = sd_bus_message_exit_container(m);
4768 if (r < 0)
4769 return r;
4770
4771 return 0;
4772 }
4773
4774 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4775 char bus_type;
4776 const char *contents;
4777 int r;
4778
4779 assert(name);
4780 assert(m);
4781
4782 /* This is a low-level property printer, see
4783 * print_status_info() for the nicer output */
4784
4785 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4786 if (r < 0)
4787 return r;
4788
4789 switch (bus_type) {
4790
4791 case SD_BUS_TYPE_INT32:
4792 if (endswith(name, "ActionExitStatus")) {
4793 int32_t i;
4794
4795 r = sd_bus_message_read_basic(m, bus_type, &i);
4796 if (r < 0)
4797 return r;
4798
4799 if (i >= 0 && i <= 255)
4800 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4801 else if (all)
4802 bus_print_property_value(name, expected_value, value, "[not set]");
4803
4804 return 1;
4805 }
4806 break;
4807
4808 case SD_BUS_TYPE_STRUCT:
4809
4810 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4811 uint32_t u;
4812
4813 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4814 if (r < 0)
4815 return bus_log_parse_error(r);
4816
4817 if (u > 0)
4818 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4819 else if (all)
4820 bus_print_property_value(name, expected_value, value, "");
4821
4822 return 1;
4823
4824 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4825 const char *s;
4826
4827 r = sd_bus_message_read(m, "(so)", &s, NULL);
4828 if (r < 0)
4829 return bus_log_parse_error(r);
4830
4831 if (all || !isempty(s))
4832 bus_print_property_value(name, expected_value, value, s);
4833
4834 return 1;
4835
4836 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4837 const char *a = NULL, *b = NULL;
4838
4839 r = sd_bus_message_read(m, "(ss)", &a, &b);
4840 if (r < 0)
4841 return bus_log_parse_error(r);
4842
4843 if (!isempty(a) || !isempty(b))
4844 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4845 else if (all)
4846 bus_print_property_value(name, expected_value, value, "");
4847
4848 return 1;
4849
4850 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4851 _cleanup_strv_free_ char **l = NULL;
4852 int whitelist;
4853
4854 r = sd_bus_message_enter_container(m, 'r', "bas");
4855 if (r < 0)
4856 return bus_log_parse_error(r);
4857
4858 r = sd_bus_message_read(m, "b", &whitelist);
4859 if (r < 0)
4860 return bus_log_parse_error(r);
4861
4862 r = sd_bus_message_read_strv(m, &l);
4863 if (r < 0)
4864 return bus_log_parse_error(r);
4865
4866 r = sd_bus_message_exit_container(m);
4867 if (r < 0)
4868 return bus_log_parse_error(r);
4869
4870 if (all || whitelist || !strv_isempty(l)) {
4871 bool first = true;
4872 char **i;
4873
4874 if (!value) {
4875 fputs(name, stdout);
4876 fputc('=', stdout);
4877 }
4878
4879 if (!whitelist)
4880 fputc('~', stdout);
4881
4882 STRV_FOREACH(i, l) {
4883 if (first)
4884 first = false;
4885 else
4886 fputc(' ', stdout);
4887
4888 fputs(*i, stdout);
4889 }
4890 fputc('\n', stdout);
4891 }
4892
4893 return 1;
4894
4895 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4896 int ignore;
4897 const char *s;
4898
4899 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4900 if (r < 0)
4901 return bus_log_parse_error(r);
4902
4903 if (!isempty(s))
4904 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4905 else if (all)
4906 bus_print_property_value(name, expected_value, value, "");
4907
4908 return 1;
4909
4910 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4911 const int32_t *status, *signal;
4912 size_t sz_status, sz_signal, i;
4913
4914 r = sd_bus_message_enter_container(m, 'r', "aiai");
4915 if (r < 0)
4916 return bus_log_parse_error(r);
4917
4918 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &sz_status);
4919 if (r < 0)
4920 return bus_log_parse_error(r);
4921
4922 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &sz_signal);
4923 if (r < 0)
4924 return bus_log_parse_error(r);
4925
4926 r = sd_bus_message_exit_container(m);
4927 if (r < 0)
4928 return bus_log_parse_error(r);
4929
4930 sz_status /= sizeof(int32_t);
4931 sz_signal /= sizeof(int32_t);
4932
4933 if (all || sz_status > 0 || sz_signal > 0) {
4934 bool first = true;
4935
4936 if (!value) {
4937 fputs(name, stdout);
4938 fputc('=', stdout);
4939 }
4940
4941 for (i = 0; i < sz_status; i++) {
4942 if (status[i] < 0 || status[i] > 255)
4943 continue;
4944
4945 if (first)
4946 first = false;
4947 else
4948 fputc(' ', stdout);
4949
4950 printf("%"PRIi32, status[i]);
4951 }
4952
4953 for (i = 0; i < sz_signal; i++) {
4954 const char *str;
4955
4956 str = signal_to_string((int) signal[i]);
4957 if (!str)
4958 continue;
4959
4960 if (first)
4961 first = false;
4962 else
4963 fputc(' ', stdout);
4964
4965 fputs(str, stdout);
4966 }
4967
4968 fputc('\n', stdout);
4969 }
4970 return 1;
4971 }
4972
4973 break;
4974
4975 case SD_BUS_TYPE_ARRAY:
4976
4977 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4978 const char *path;
4979 int ignore;
4980
4981 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4982 if (r < 0)
4983 return bus_log_parse_error(r);
4984
4985 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4986 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4987
4988 if (r < 0)
4989 return bus_log_parse_error(r);
4990
4991 r = sd_bus_message_exit_container(m);
4992 if (r < 0)
4993 return bus_log_parse_error(r);
4994
4995 return 1;
4996
4997 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4998 const char *type, *path;
4999
5000 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5001 if (r < 0)
5002 return bus_log_parse_error(r);
5003
5004 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5005 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5006 if (r < 0)
5007 return bus_log_parse_error(r);
5008
5009 r = sd_bus_message_exit_container(m);
5010 if (r < 0)
5011 return bus_log_parse_error(r);
5012
5013 return 1;
5014
5015 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5016 const char *type, *path;
5017
5018 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5019 if (r < 0)
5020 return bus_log_parse_error(r);
5021
5022 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5023 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5024 if (r < 0)
5025 return bus_log_parse_error(r);
5026
5027 r = sd_bus_message_exit_container(m);
5028 if (r < 0)
5029 return bus_log_parse_error(r);
5030
5031 return 1;
5032
5033 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5034 const char *base;
5035 uint64_t v, next_elapse;
5036
5037 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5038 if (r < 0)
5039 return bus_log_parse_error(r);
5040
5041 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5042 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
5043
5044 bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
5045 format_timespan(timespan1, sizeof(timespan1), v, 0),
5046 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
5047 }
5048 if (r < 0)
5049 return bus_log_parse_error(r);
5050
5051 r = sd_bus_message_exit_container(m);
5052 if (r < 0)
5053 return bus_log_parse_error(r);
5054
5055 return 1;
5056
5057 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5058 const char *base, *spec;
5059 uint64_t next_elapse;
5060
5061 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5062 if (r < 0)
5063 return bus_log_parse_error(r);
5064
5065 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5066 char timestamp[FORMAT_TIMESTAMP_MAX];
5067
5068 bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
5069 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
5070 }
5071 if (r < 0)
5072 return bus_log_parse_error(r);
5073
5074 r = sd_bus_message_exit_container(m);
5075 if (r < 0)
5076 return bus_log_parse_error(r);
5077
5078 return 1;
5079
5080 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5081 ExecStatusInfo info = {};
5082
5083 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
5084 if (r < 0)
5085 return bus_log_parse_error(r);
5086
5087 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
5088 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5089 _cleanup_free_ char *tt;
5090
5091 tt = strv_join(info.argv, " ");
5092
5093 bus_print_property_valuef(name, expected_value, value,
5094 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5095 strna(info.path),
5096 strna(tt),
5097 yes_no(info.ignore),
5098 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5099 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5100 info.pid,
5101 sigchld_code_to_string(info.code),
5102 info.status,
5103 info.code == CLD_EXITED ? "" : "/",
5104 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5105
5106 free(info.path);
5107 strv_free(info.argv);
5108 zero(info);
5109 }
5110
5111 r = sd_bus_message_exit_container(m);
5112 if (r < 0)
5113 return bus_log_parse_error(r);
5114
5115 return 1;
5116
5117 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5118 const char *path, *rwm;
5119
5120 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5121 if (r < 0)
5122 return bus_log_parse_error(r);
5123
5124 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5125 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5126 if (r < 0)
5127 return bus_log_parse_error(r);
5128
5129 r = sd_bus_message_exit_container(m);
5130 if (r < 0)
5131 return bus_log_parse_error(r);
5132
5133 return 1;
5134
5135 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5136 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5137 const char *path;
5138 uint64_t weight;
5139
5140 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5141 if (r < 0)
5142 return bus_log_parse_error(r);
5143
5144 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5145 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5146 if (r < 0)
5147 return bus_log_parse_error(r);
5148
5149 r = sd_bus_message_exit_container(m);
5150 if (r < 0)
5151 return bus_log_parse_error(r);
5152
5153 return 1;
5154
5155 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5156 (cgroup_io_limit_type_from_string(name) >= 0 ||
5157 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5158 const char *path;
5159 uint64_t bandwidth;
5160
5161 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5162 if (r < 0)
5163 return bus_log_parse_error(r);
5164
5165 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5166 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5167 if (r < 0)
5168 return bus_log_parse_error(r);
5169
5170 r = sd_bus_message_exit_container(m);
5171 if (r < 0)
5172 return bus_log_parse_error(r);
5173
5174 return 1;
5175
5176 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5177 streq(name, "IODeviceLatencyTargetUSec")) {
5178 char ts[FORMAT_TIMESPAN_MAX];
5179 const char *path;
5180 uint64_t target;
5181
5182 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5183 if (r < 0)
5184 return bus_log_parse_error(r);
5185
5186 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5187 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5188 format_timespan(ts, sizeof(ts), target, 1));
5189 if (r < 0)
5190 return bus_log_parse_error(r);
5191
5192 r = sd_bus_message_exit_container(m);
5193 if (r < 0)
5194 return bus_log_parse_error(r);
5195
5196 return 1;
5197
5198 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5199 _cleanup_free_ char *h = NULL;
5200 const void *p;
5201 size_t sz;
5202 ssize_t n;
5203
5204 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5205 if (r < 0)
5206 return bus_log_parse_error(r);
5207
5208 n = base64mem(p, sz, &h);
5209 if (n < 0)
5210 return log_oom();
5211
5212 bus_print_property_value(name, expected_value, value, h);
5213
5214 return 1;
5215
5216 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5217 _cleanup_free_ char *addresses = NULL;
5218
5219 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5220 if (r < 0)
5221 return bus_log_parse_error(r);
5222
5223 for (;;) {
5224 _cleanup_free_ char *str = NULL;
5225 uint32_t prefixlen;
5226 int32_t family;
5227 const void *ap;
5228 size_t an;
5229
5230 r = sd_bus_message_enter_container(m, 'r', "iayu");
5231 if (r < 0)
5232 return bus_log_parse_error(r);
5233 if (r == 0)
5234 break;
5235
5236 r = sd_bus_message_read(m, "i", &family);
5237 if (r < 0)
5238 return bus_log_parse_error(r);
5239
5240 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5241 if (r < 0)
5242 return bus_log_parse_error(r);
5243
5244 r = sd_bus_message_read(m, "u", &prefixlen);
5245 if (r < 0)
5246 return bus_log_parse_error(r);
5247
5248 r = sd_bus_message_exit_container(m);
5249 if (r < 0)
5250 return bus_log_parse_error(r);
5251
5252 if (!IN_SET(family, AF_INET, AF_INET6))
5253 continue;
5254
5255 if (an != FAMILY_ADDRESS_SIZE(family))
5256 continue;
5257
5258 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5259 continue;
5260
5261 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5262 continue;
5263
5264 if (!strextend_with_separator(&addresses, " ", str, NULL))
5265 return log_oom();
5266 }
5267
5268 r = sd_bus_message_exit_container(m);
5269 if (r < 0)
5270 return bus_log_parse_error(r);
5271
5272 if (all || !isempty(addresses))
5273 bus_print_property_value(name, expected_value, value, strempty(addresses));
5274
5275 return 1;
5276
5277 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5278 _cleanup_free_ char *paths = NULL;
5279 const char *source, *dest;
5280 int ignore_enoent;
5281 uint64_t rbind;
5282
5283 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5284 if (r < 0)
5285 return bus_log_parse_error(r);
5286
5287 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5288 _cleanup_free_ char *str = NULL;
5289
5290 if (isempty(source))
5291 continue;
5292
5293 if (asprintf(&str, "%s%s%s%s%s",
5294 ignore_enoent ? "-" : "",
5295 source,
5296 isempty(dest) ? "" : ":",
5297 strempty(dest),
5298 rbind == MS_REC ? ":rbind" : "") < 0)
5299 return log_oom();
5300
5301 if (!strextend_with_separator(&paths, " ", str, NULL))
5302 return log_oom();
5303 }
5304 if (r < 0)
5305 return bus_log_parse_error(r);
5306
5307 r = sd_bus_message_exit_container(m);
5308 if (r < 0)
5309 return bus_log_parse_error(r);
5310
5311 if (all || !isempty(paths))
5312 bus_print_property_value(name, expected_value, value, strempty(paths));
5313
5314 return 1;
5315
5316 } else if (streq(name, "TemporaryFileSystem")) {
5317 _cleanup_free_ char *paths = NULL;
5318 const char *target, *option;
5319
5320 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5321 if (r < 0)
5322 return bus_log_parse_error(r);
5323
5324 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5325 _cleanup_free_ char *str = NULL;
5326
5327 if (isempty(target))
5328 continue;
5329
5330 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5331 return log_oom();
5332
5333 if (!strextend_with_separator(&paths, " ", str, NULL))
5334 return log_oom();
5335 }
5336 if (r < 0)
5337 return bus_log_parse_error(r);
5338
5339 r = sd_bus_message_exit_container(m);
5340 if (r < 0)
5341 return bus_log_parse_error(r);
5342
5343 if (all || !isempty(paths))
5344 bus_print_property_value(name, expected_value, value, strempty(paths));
5345
5346 return 1;
5347
5348 } else if (streq(name, "LogExtraFields")) {
5349 _cleanup_free_ char *fields = NULL;
5350 const void *p;
5351 size_t sz;
5352
5353 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5354 if (r < 0)
5355 return bus_log_parse_error(r);
5356
5357 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5358 _cleanup_free_ char *str = NULL;
5359 const char *eq;
5360
5361 if (memchr(p, 0, sz))
5362 continue;
5363
5364 eq = memchr(p, '=', sz);
5365 if (!eq)
5366 continue;
5367
5368 if (!journal_field_valid(p, eq - (const char*) p, false))
5369 continue;
5370
5371 str = malloc(sz + 1);
5372 if (!str)
5373 return log_oom();
5374
5375 memcpy(str, p, sz);
5376 str[sz] = '\0';
5377
5378 if (!utf8_is_valid(str))
5379 continue;
5380
5381 if (!strextend_with_separator(&fields, " ", str, NULL))
5382 return log_oom();
5383 }
5384 if (r < 0)
5385 return bus_log_parse_error(r);
5386
5387 r = sd_bus_message_exit_container(m);
5388 if (r < 0)
5389 return bus_log_parse_error(r);
5390
5391 if (all || !isempty(fields))
5392 bus_print_property_value(name, expected_value, value, strempty(fields));
5393
5394 return 1;
5395 }
5396
5397 break;
5398 }
5399
5400 return 0;
5401 }
5402
5403 typedef enum SystemctlShowMode{
5404 SYSTEMCTL_SHOW_PROPERTIES,
5405 SYSTEMCTL_SHOW_STATUS,
5406 SYSTEMCTL_SHOW_HELP,
5407 _SYSTEMCTL_SHOW_MODE_MAX,
5408 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5409 } SystemctlShowMode;
5410
5411 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5412 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5413 [SYSTEMCTL_SHOW_STATUS] = "status",
5414 [SYSTEMCTL_SHOW_HELP] = "help",
5415 };
5416
5417 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5418
5419 static int show_one(
5420 sd_bus *bus,
5421 const char *path,
5422 const char *unit,
5423 SystemctlShowMode show_mode,
5424 bool *new_line,
5425 bool *ellipsized) {
5426
5427 static const struct bus_properties_map property_map[] = {
5428 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5429 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5430 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5431 {}
5432 }, status_map[] = {
5433 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5434 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5435 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5436 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5437 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5438 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5439 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5440 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5441 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5442 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5443 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5444 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5445 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5446 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5447 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5448 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5449 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5450 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5451 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5452 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5453 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5454 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5455 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5456 { "MainPID", "u", map_main_pid, 0 },
5457 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5458 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5459 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5460 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5461 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5462 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5463 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5464 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5465 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5466 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5467 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5468 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5469 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5470 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5471 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5472 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5473 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5474 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5475 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5476 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5477 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5478 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5479 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5480 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5481 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5482 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5483 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5484 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5485 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5486 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5487 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5488 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5489 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5490 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5491 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5492 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5493 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5494 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5495 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5496 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5497 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5498 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5499 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5500 {}
5501 };
5502
5503 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5504 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5505 _cleanup_set_free_ Set *found_properties = NULL;
5506 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5507 .memory_current = (uint64_t) -1,
5508 .memory_high = CGROUP_LIMIT_MAX,
5509 .memory_max = CGROUP_LIMIT_MAX,
5510 .memory_swap_max = CGROUP_LIMIT_MAX,
5511 .memory_limit = (uint64_t) -1,
5512 .cpu_usage_nsec = (uint64_t) -1,
5513 .tasks_current = (uint64_t) -1,
5514 .tasks_max = (uint64_t) -1,
5515 .ip_ingress_bytes = (uint64_t) -1,
5516 .ip_egress_bytes = (uint64_t) -1,
5517 };
5518 char **pp;
5519 int r;
5520
5521 assert(path);
5522 assert(new_line);
5523
5524 log_debug("Showing one %s", path);
5525
5526 r = bus_map_all_properties(
5527 bus,
5528 "org.freedesktop.systemd1",
5529 path,
5530 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5531 BUS_MAP_BOOLEAN_AS_BOOL,
5532 &error,
5533 &reply,
5534 &info);
5535 if (r < 0)
5536 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5537
5538 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5539 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5540 "Unit %s could not be found.", unit);
5541
5542 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5543 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5544 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5545 return -ENOENT;
5546 }
5547
5548 if (*new_line)
5549 printf("\n");
5550
5551 *new_line = true;
5552
5553 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5554 print_status_info(bus, &info, ellipsized);
5555
5556 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5557 return EXIT_PROGRAM_NOT_RUNNING;
5558
5559 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5560
5561 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5562 show_unit_help(&info);
5563 return 0;
5564 }
5565
5566 r = sd_bus_message_rewind(reply, true);
5567 if (r < 0)
5568 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5569
5570 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5571 if (r < 0)
5572 return bus_log_parse_error(r);
5573
5574 STRV_FOREACH(pp, arg_properties)
5575 if (!set_contains(found_properties, *pp))
5576 log_debug("Property %s does not exist.", *pp);
5577
5578 return 0;
5579 }
5580
5581 static int get_unit_dbus_path_by_pid(
5582 sd_bus *bus,
5583 uint32_t pid,
5584 char **unit) {
5585
5586 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5587 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5588 char *u;
5589 int r;
5590
5591 r = sd_bus_call_method(
5592 bus,
5593 "org.freedesktop.systemd1",
5594 "/org/freedesktop/systemd1",
5595 "org.freedesktop.systemd1.Manager",
5596 "GetUnitByPID",
5597 &error,
5598 &reply,
5599 "u", pid);
5600 if (r < 0)
5601 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5602
5603 r = sd_bus_message_read(reply, "o", &u);
5604 if (r < 0)
5605 return bus_log_parse_error(r);
5606
5607 u = strdup(u);
5608 if (!u)
5609 return log_oom();
5610
5611 *unit = u;
5612 return 0;
5613 }
5614
5615 static int show_all(
5616 sd_bus *bus,
5617 bool *new_line,
5618 bool *ellipsized) {
5619
5620 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5621 _cleanup_free_ UnitInfo *unit_infos = NULL;
5622 const UnitInfo *u;
5623 unsigned c;
5624 int r, ret = 0;
5625
5626 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5627 if (r < 0)
5628 return r;
5629
5630 (void) pager_open(arg_pager_flags);
5631
5632 c = (unsigned) r;
5633
5634 typesafe_qsort(unit_infos, c, compare_unit_info);
5635
5636 for (u = unit_infos; u < unit_infos + c; u++) {
5637 _cleanup_free_ char *p = NULL;
5638
5639 p = unit_dbus_path_from_name(u->id);
5640 if (!p)
5641 return log_oom();
5642
5643 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5644 if (r < 0)
5645 return r;
5646 else if (r > 0 && ret == 0)
5647 ret = r;
5648 }
5649
5650 return ret;
5651 }
5652
5653 static int show_system_status(sd_bus *bus) {
5654 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5655 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5656 _cleanup_(machine_info_clear) struct machine_info mi = {};
5657 _cleanup_free_ char *hn = NULL;
5658 const char *on, *off;
5659 int r;
5660
5661 hn = gethostname_malloc();
5662 if (!hn)
5663 return log_oom();
5664
5665 r = bus_map_all_properties(
5666 bus,
5667 "org.freedesktop.systemd1",
5668 "/org/freedesktop/systemd1",
5669 machine_info_property_map,
5670 BUS_MAP_STRDUP,
5671 &error,
5672 NULL,
5673 &mi);
5674 if (r < 0)
5675 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5676
5677 if (streq_ptr(mi.state, "degraded")) {
5678 on = ansi_highlight_red();
5679 off = ansi_normal();
5680 } else if (streq_ptr(mi.state, "running")) {
5681 on = ansi_highlight_green();
5682 off = ansi_normal();
5683 } else {
5684 on = ansi_highlight_yellow();
5685 off = ansi_normal();
5686 }
5687
5688 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5689
5690 printf(" State: %s%s%s\n",
5691 on, strna(mi.state), off);
5692
5693 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5694 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5695
5696 printf(" Since: %s; %s\n",
5697 format_timestamp(since2, sizeof(since2), mi.timestamp),
5698 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5699
5700 printf(" CGroup: %s\n", mi.control_group ?: "/");
5701 if (IN_SET(arg_transport,
5702 BUS_TRANSPORT_LOCAL,
5703 BUS_TRANSPORT_MACHINE)) {
5704 static const char prefix[] = " ";
5705 unsigned c;
5706
5707 c = columns();
5708 if (c > sizeof(prefix) - 1)
5709 c -= sizeof(prefix) - 1;
5710 else
5711 c = 0;
5712
5713 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5714 }
5715
5716 return 0;
5717 }
5718
5719 static int show(int argc, char *argv[], void *userdata) {
5720 bool new_line = false, ellipsized = false;
5721 SystemctlShowMode show_mode;
5722 int r, ret = 0;
5723 sd_bus *bus;
5724
5725 assert(argv);
5726
5727 show_mode = systemctl_show_mode_from_string(argv[0]);
5728 if (show_mode < 0)
5729 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5730 "Invalid argument.");
5731
5732 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5733 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5734 "This command expects one or more unit names. Did you mean --help?");
5735
5736 r = acquire_bus(BUS_MANAGER, &bus);
5737 if (r < 0)
5738 return r;
5739
5740 (void) pager_open(arg_pager_flags);
5741
5742 /* If no argument is specified inspect the manager itself */
5743 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5744 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5745
5746 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5747
5748 show_system_status(bus);
5749 new_line = true;
5750
5751 if (arg_all)
5752 ret = show_all(bus, &new_line, &ellipsized);
5753 } else {
5754 _cleanup_free_ char **patterns = NULL;
5755 char **name;
5756
5757 STRV_FOREACH(name, strv_skip(argv, 1)) {
5758 _cleanup_free_ char *path = NULL, *unit = NULL;
5759 uint32_t id;
5760
5761 if (safe_atou32(*name, &id) < 0) {
5762 if (strv_push(&patterns, *name) < 0)
5763 return log_oom();
5764
5765 continue;
5766 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5767 /* Interpret as job id */
5768 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5769 return log_oom();
5770
5771 } else {
5772 /* Interpret as PID */
5773 r = get_unit_dbus_path_by_pid(bus, id, &path);
5774 if (r < 0) {
5775 ret = r;
5776 continue;
5777 }
5778
5779 r = unit_name_from_dbus_path(path, &unit);
5780 if (r < 0)
5781 return log_oom();
5782 }
5783
5784 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5785 if (r < 0)
5786 return r;
5787 else if (r > 0 && ret == 0)
5788 ret = r;
5789 }
5790
5791 if (!strv_isempty(patterns)) {
5792 _cleanup_strv_free_ char **names = NULL;
5793
5794 r = expand_names(bus, patterns, NULL, &names);
5795 if (r < 0)
5796 return log_error_errno(r, "Failed to expand names: %m");
5797
5798 STRV_FOREACH(name, names) {
5799 _cleanup_free_ char *path;
5800
5801 path = unit_dbus_path_from_name(*name);
5802 if (!path)
5803 return log_oom();
5804
5805 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5806 if (r < 0)
5807 return r;
5808 if (r > 0 && ret == 0)
5809 ret = r;
5810 }
5811 }
5812 }
5813
5814 if (ellipsized && !arg_quiet)
5815 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5816
5817 return ret;
5818 }
5819
5820 static int cat(int argc, char *argv[], void *userdata) {
5821 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5822 _cleanup_strv_free_ char **names = NULL;
5823 char **name;
5824 sd_bus *bus;
5825 bool first = true;
5826 int r;
5827
5828 if (arg_transport != BUS_TRANSPORT_LOCAL)
5829 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5830
5831 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5832 if (r < 0)
5833 return log_error_errno(r, "Failed to determine unit paths: %m");
5834
5835 r = acquire_bus(BUS_MANAGER, &bus);
5836 if (r < 0)
5837 return r;
5838
5839 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5840 if (r < 0)
5841 return log_error_errno(r, "Failed to expand names: %m");
5842
5843 (void) pager_open(arg_pager_flags);
5844
5845 STRV_FOREACH(name, names) {
5846 _cleanup_free_ char *fragment_path = NULL;
5847 _cleanup_strv_free_ char **dropin_paths = NULL;
5848
5849 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5850 if (r == -ERFKILL) {
5851 printf("%s# Unit %s is masked%s.\n",
5852 ansi_highlight_magenta(),
5853 *name,
5854 ansi_normal());
5855 continue;
5856 }
5857 if (r == -EKEYREJECTED) {
5858 printf("%s# Unit %s could not be loaded.%s\n",
5859 ansi_highlight_magenta(),
5860 *name,
5861 ansi_normal());
5862 continue;
5863 }
5864 if (r < 0)
5865 return r;
5866 if (r == 0)
5867 return -ENOENT;
5868
5869 if (first)
5870 first = false;
5871 else
5872 puts("");
5873
5874 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5875 fprintf(stderr,
5876 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5877 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5878 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5879 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5880 ansi_highlight_red(),
5881 *name,
5882 ansi_highlight_red(),
5883 ansi_highlight_red(),
5884 ansi_highlight_red(),
5885 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5886 ansi_normal());
5887
5888 r = cat_files(fragment_path, dropin_paths, 0);
5889 if (r < 0)
5890 return r;
5891 }
5892
5893 return 0;
5894 }
5895
5896 static int set_property(int argc, char *argv[], void *userdata) {
5897 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5898 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5899 _cleanup_free_ char *n = NULL;
5900 UnitType t;
5901 sd_bus *bus;
5902 int r;
5903
5904 r = acquire_bus(BUS_MANAGER, &bus);
5905 if (r < 0)
5906 return r;
5907
5908 polkit_agent_open_maybe();
5909
5910 r = sd_bus_message_new_method_call(
5911 bus,
5912 &m,
5913 "org.freedesktop.systemd1",
5914 "/org/freedesktop/systemd1",
5915 "org.freedesktop.systemd1.Manager",
5916 "SetUnitProperties");
5917 if (r < 0)
5918 return bus_log_create_error(r);
5919
5920 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5921 if (r < 0)
5922 return log_error_errno(r, "Failed to mangle unit name: %m");
5923
5924 t = unit_name_to_type(n);
5925 if (t < 0)
5926 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
5927
5928 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5929 if (r < 0)
5930 return bus_log_create_error(r);
5931
5932 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5933 if (r < 0)
5934 return bus_log_create_error(r);
5935
5936 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5937 if (r < 0)
5938 return r;
5939
5940 r = sd_bus_message_close_container(m);
5941 if (r < 0)
5942 return bus_log_create_error(r);
5943
5944 r = sd_bus_call(bus, m, 0, &error, NULL);
5945 if (r < 0)
5946 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5947
5948 return 0;
5949 }
5950
5951 static int daemon_reload(int argc, char *argv[], void *userdata) {
5952 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5953 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5954 const char *method;
5955 sd_bus *bus;
5956 int r;
5957
5958 r = acquire_bus(BUS_MANAGER, &bus);
5959 if (r < 0)
5960 return r;
5961
5962 polkit_agent_open_maybe();
5963
5964 switch (arg_action) {
5965
5966 case ACTION_RELOAD:
5967 method = "Reload";
5968 break;
5969
5970 case ACTION_REEXEC:
5971 method = "Reexecute";
5972 break;
5973
5974 case ACTION_SYSTEMCTL:
5975 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5976 /* "daemon-reload" */ "Reload";
5977 break;
5978
5979 default:
5980 assert_not_reached("Unexpected action");
5981 }
5982
5983 r = sd_bus_message_new_method_call(
5984 bus,
5985 &m,
5986 "org.freedesktop.systemd1",
5987 "/org/freedesktop/systemd1",
5988 "org.freedesktop.systemd1.Manager",
5989 method);
5990 if (r < 0)
5991 return bus_log_create_error(r);
5992
5993 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5994 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5995 * their timeout, and for everything else there's the same time budget in place. */
5996
5997 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5998
5999 /* On reexecution, we expect a disconnect, not a reply */
6000 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6001 r = 0;
6002
6003 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6004 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6005
6006 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6007 * old ways of doing things, hence don't log any error in that case here. */
6008
6009 return r < 0 ? r : 0;
6010 }
6011
6012 static int trivial_method(int argc, char *argv[], void *userdata) {
6013 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6014 const char *method;
6015 sd_bus *bus;
6016 int r;
6017
6018 if (arg_dry_run)
6019 return 0;
6020
6021 r = acquire_bus(BUS_MANAGER, &bus);
6022 if (r < 0)
6023 return r;
6024
6025 polkit_agent_open_maybe();
6026
6027 method =
6028 streq(argv[0], "clear-jobs") ||
6029 streq(argv[0], "cancel") ? "ClearJobs" :
6030 streq(argv[0], "reset-failed") ? "ResetFailed" :
6031 streq(argv[0], "halt") ? "Halt" :
6032 streq(argv[0], "reboot") ? "Reboot" :
6033 streq(argv[0], "kexec") ? "KExec" :
6034 streq(argv[0], "exit") ? "Exit" :
6035 /* poweroff */ "PowerOff";
6036
6037 r = sd_bus_call_method(
6038 bus,
6039 "org.freedesktop.systemd1",
6040 "/org/freedesktop/systemd1",
6041 "org.freedesktop.systemd1.Manager",
6042 method,
6043 &error,
6044 NULL,
6045 NULL);
6046 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6047 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6048
6049 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6050 * old ways of doing things, hence don't log any error in that case here. */
6051
6052 return r < 0 ? r : 0;
6053 }
6054
6055 static int reset_failed(int argc, char *argv[], void *userdata) {
6056 _cleanup_strv_free_ char **names = NULL;
6057 sd_bus *bus;
6058 char **name;
6059 int r, q;
6060
6061 if (argc <= 1)
6062 return trivial_method(argc, argv, userdata);
6063
6064 r = acquire_bus(BUS_MANAGER, &bus);
6065 if (r < 0)
6066 return r;
6067
6068 polkit_agent_open_maybe();
6069
6070 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6071 if (r < 0)
6072 return log_error_errno(r, "Failed to expand names: %m");
6073
6074 STRV_FOREACH(name, names) {
6075 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6076
6077 q = sd_bus_call_method(
6078 bus,
6079 "org.freedesktop.systemd1",
6080 "/org/freedesktop/systemd1",
6081 "org.freedesktop.systemd1.Manager",
6082 "ResetFailedUnit",
6083 &error,
6084 NULL,
6085 "s", *name);
6086 if (q < 0) {
6087 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6088 if (r == 0)
6089 r = q;
6090 }
6091 }
6092
6093 return r;
6094 }
6095
6096 static int print_variable(const char *s) {
6097 const char *sep;
6098 _cleanup_free_ char *esc = NULL;
6099
6100 sep = strchr(s, '=');
6101 if (!sep)
6102 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6103 "Invalid environment block");
6104
6105 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6106 if (!esc)
6107 return log_oom();
6108
6109 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6110 return 0;
6111 }
6112
6113 static int show_environment(int argc, char *argv[], void *userdata) {
6114 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6115 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6116 const char *text;
6117 sd_bus *bus;
6118 int r;
6119
6120 r = acquire_bus(BUS_MANAGER, &bus);
6121 if (r < 0)
6122 return r;
6123
6124 (void) pager_open(arg_pager_flags);
6125
6126 r = sd_bus_get_property(
6127 bus,
6128 "org.freedesktop.systemd1",
6129 "/org/freedesktop/systemd1",
6130 "org.freedesktop.systemd1.Manager",
6131 "Environment",
6132 &error,
6133 &reply,
6134 "as");
6135 if (r < 0)
6136 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6137
6138 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6139 if (r < 0)
6140 return bus_log_parse_error(r);
6141
6142 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6143 r = print_variable(text);
6144 if (r < 0)
6145 return r;
6146 }
6147 if (r < 0)
6148 return bus_log_parse_error(r);
6149
6150 r = sd_bus_message_exit_container(reply);
6151 if (r < 0)
6152 return bus_log_parse_error(r);
6153
6154 return 0;
6155 }
6156
6157 static int switch_root(int argc, char *argv[], void *userdata) {
6158 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6159 _cleanup_free_ char *cmdline_init = NULL;
6160 const char *root, *init;
6161 sd_bus *bus;
6162 int r;
6163
6164 if (arg_transport != BUS_TRANSPORT_LOCAL)
6165 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6166
6167 if (argc < 2 || argc > 3)
6168 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6169
6170 root = argv[1];
6171
6172 if (argc >= 3)
6173 init = argv[2];
6174 else {
6175 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6176 if (r < 0)
6177 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6178
6179 init = cmdline_init;
6180 }
6181
6182 init = empty_to_null(init);
6183 if (init) {
6184 const char *root_systemd_path = NULL, *root_init_path = NULL;
6185
6186 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
6187 root_init_path = strjoina(root, "/", init);
6188
6189 /* If the passed init is actually the same as the
6190 * systemd binary, then let's suppress it. */
6191 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6192 init = NULL;
6193 }
6194
6195 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6196 * would exit with a failure status even though the switch to the new root has succeed. */
6197 assert(saved_argv);
6198 assert(saved_argv[0]);
6199 saved_argv[0][0] = '@';
6200
6201 r = acquire_bus(BUS_MANAGER, &bus);
6202 if (r < 0)
6203 return r;
6204
6205 /* If we are slow to exit after the root switch, the new systemd instance
6206 * will send us a signal to terminate. Just ignore it and exit normally.
6207 * This way the unit does not end up as failed.
6208 */
6209 r = ignore_signals(SIGTERM, -1);
6210 if (r < 0)
6211 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6212
6213 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6214
6215 r = sd_bus_call_method(
6216 bus,
6217 "org.freedesktop.systemd1",
6218 "/org/freedesktop/systemd1",
6219 "org.freedesktop.systemd1.Manager",
6220 "SwitchRoot",
6221 &error,
6222 NULL,
6223 "ss", root, init);
6224 if (r < 0) {
6225 (void) default_signals(SIGTERM, -1);
6226
6227 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6228 }
6229
6230 return 0;
6231 }
6232
6233 static int set_environment(int argc, char *argv[], void *userdata) {
6234 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6235 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6236 const char *method;
6237 sd_bus *bus;
6238 int r;
6239
6240 assert(argc > 1);
6241 assert(argv);
6242
6243 r = acquire_bus(BUS_MANAGER, &bus);
6244 if (r < 0)
6245 return r;
6246
6247 polkit_agent_open_maybe();
6248
6249 method = streq(argv[0], "set-environment")
6250 ? "SetEnvironment"
6251 : "UnsetEnvironment";
6252
6253 r = sd_bus_message_new_method_call(
6254 bus,
6255 &m,
6256 "org.freedesktop.systemd1",
6257 "/org/freedesktop/systemd1",
6258 "org.freedesktop.systemd1.Manager",
6259 method);
6260 if (r < 0)
6261 return bus_log_create_error(r);
6262
6263 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6264 if (r < 0)
6265 return bus_log_create_error(r);
6266
6267 r = sd_bus_call(bus, m, 0, &error, NULL);
6268 if (r < 0)
6269 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6270
6271 return 0;
6272 }
6273
6274 static int import_environment(int argc, char *argv[], void *userdata) {
6275 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6276 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6277 sd_bus *bus;
6278 int r;
6279
6280 r = acquire_bus(BUS_MANAGER, &bus);
6281 if (r < 0)
6282 return r;
6283
6284 polkit_agent_open_maybe();
6285
6286 r = sd_bus_message_new_method_call(
6287 bus,
6288 &m,
6289 "org.freedesktop.systemd1",
6290 "/org/freedesktop/systemd1",
6291 "org.freedesktop.systemd1.Manager",
6292 "SetEnvironment");
6293 if (r < 0)
6294 return bus_log_create_error(r);
6295
6296 if (argc < 2)
6297 r = sd_bus_message_append_strv(m, environ);
6298 else {
6299 char **a, **b;
6300
6301 r = sd_bus_message_open_container(m, 'a', "s");
6302 if (r < 0)
6303 return bus_log_create_error(r);
6304
6305 STRV_FOREACH(a, strv_skip(argv, 1)) {
6306
6307 if (!env_name_is_valid(*a))
6308 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6309
6310 STRV_FOREACH(b, environ) {
6311 const char *eq;
6312
6313 eq = startswith(*b, *a);
6314 if (eq && *eq == '=') {
6315
6316 r = sd_bus_message_append(m, "s", *b);
6317 if (r < 0)
6318 return bus_log_create_error(r);
6319
6320 break;
6321 }
6322 }
6323 }
6324
6325 r = sd_bus_message_close_container(m);
6326 }
6327 if (r < 0)
6328 return bus_log_create_error(r);
6329
6330 r = sd_bus_call(bus, m, 0, &error, NULL);
6331 if (r < 0)
6332 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6333
6334 return 0;
6335 }
6336
6337 static int enable_sysv_units(const char *verb, char **args) {
6338 int r = 0;
6339
6340 #if HAVE_SYSV_COMPAT
6341 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6342 unsigned f = 0;
6343
6344 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6345
6346 if (arg_scope != UNIT_FILE_SYSTEM)
6347 return 0;
6348
6349 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6350 return 0;
6351
6352 if (!STR_IN_SET(verb,
6353 "enable",
6354 "disable",
6355 "is-enabled"))
6356 return 0;
6357
6358 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6359 if (r < 0)
6360 return r;
6361
6362 r = 0;
6363 while (args[f]) {
6364
6365 const char *argv[] = {
6366 ROOTLIBEXECDIR "/systemd-sysv-install",
6367 NULL, /* --root= */
6368 NULL, /* verb */
6369 NULL, /* service */
6370 NULL,
6371 };
6372
6373 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6374 bool found_native = false, found_sysv;
6375 const char *name;
6376 unsigned c = 1;
6377 pid_t pid;
6378 int j;
6379
6380 name = args[f++];
6381
6382 if (!endswith(name, ".service"))
6383 continue;
6384
6385 if (path_is_absolute(name))
6386 continue;
6387
6388 j = unit_file_exists(arg_scope, &paths, name);
6389 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6390 return log_error_errno(j, "Failed to lookup unit file state: %m");
6391 found_native = j != 0;
6392
6393 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6394 * prefer the native unit */
6395 if (found_native && streq(verb, "is-enabled"))
6396 continue;
6397
6398 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6399 if (!p)
6400 return log_oom();
6401
6402 p[strlen(p) - STRLEN(".service")] = 0;
6403 found_sysv = access(p, F_OK) >= 0;
6404 if (!found_sysv)
6405 continue;
6406
6407 if (!arg_quiet) {
6408 if (found_native)
6409 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6410 else
6411 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6412 }
6413
6414 if (!isempty(arg_root)) {
6415 q = strappend("--root=", arg_root);
6416 if (!q)
6417 return log_oom();
6418
6419 argv[c++] = q;
6420 }
6421
6422 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6423 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6424 v = strdup(verb);
6425 if (!v)
6426 return log_oom();
6427
6428 argv[c++] = v;
6429 argv[c++] = basename(p);
6430 argv[c] = NULL;
6431
6432 l = strv_join((char**)argv, " ");
6433 if (!l)
6434 return log_oom();
6435
6436 if (!arg_quiet)
6437 log_info("Executing: %s", l);
6438
6439 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6440 if (j < 0)
6441 return j;
6442 if (j == 0) {
6443 /* Child */
6444 execv(argv[0], (char**) argv);
6445 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6446 _exit(EXIT_FAILURE);
6447 }
6448
6449 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6450 if (j < 0)
6451 return j;
6452 if (streq(verb, "is-enabled")) {
6453 if (j == EXIT_SUCCESS) {
6454 if (!arg_quiet)
6455 puts("enabled");
6456 r = 1;
6457 } else {
6458 if (!arg_quiet)
6459 puts("disabled");
6460 }
6461
6462 } else if (j != EXIT_SUCCESS)
6463 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6464
6465 if (found_native)
6466 continue;
6467
6468 /* Remove this entry, so that we don't try enabling it as native unit */
6469 assert(f > 0);
6470 f--;
6471 assert(args[f] == name);
6472 strv_remove(args + f, name);
6473 }
6474
6475 #endif
6476 return r;
6477 }
6478
6479 static int mangle_names(char **original_names, char ***mangled_names) {
6480 char **i, **l, **name;
6481 int r;
6482
6483 l = i = new(char*, strv_length(original_names) + 1);
6484 if (!l)
6485 return log_oom();
6486
6487 STRV_FOREACH(name, original_names) {
6488
6489 /* When enabling units qualified path names are OK,
6490 * too, hence allow them explicitly. */
6491
6492 if (is_path(*name)) {
6493 *i = strdup(*name);
6494 if (!*i) {
6495 strv_free(l);
6496 return log_oom();
6497 }
6498 } else {
6499 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6500 if (r < 0) {
6501 *i = NULL;
6502 strv_free(l);
6503 return log_error_errno(r, "Failed to mangle unit name: %m");
6504 }
6505 }
6506
6507 i++;
6508 }
6509
6510 *i = NULL;
6511 *mangled_names = l;
6512
6513 return 0;
6514 }
6515
6516 static int normalize_filenames(char **names) {
6517 char **u;
6518 int r;
6519
6520 STRV_FOREACH(u, names)
6521 if (!path_is_absolute(*u)) {
6522 char* normalized_path;
6523
6524 if (!isempty(arg_root))
6525 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6526 "Non-absolute paths are not allowed when --root is used: %s",
6527 *u);
6528
6529 if (!strchr(*u,'/'))
6530 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6531 "Link argument does contain at least one directory separator: %s",
6532 *u);
6533
6534 r = path_make_absolute_cwd(*u, &normalized_path);
6535 if (r < 0)
6536 return r;
6537
6538 free_and_replace(*u, normalized_path);
6539 }
6540
6541 return 0;
6542 }
6543
6544 static int normalize_names(char **names, bool warn_if_path) {
6545 char **u;
6546 bool was_path = false;
6547
6548 STRV_FOREACH(u, names) {
6549 int r;
6550
6551 if (!is_path(*u))
6552 continue;
6553
6554 r = free_and_strdup(u, basename(*u));
6555 if (r < 0)
6556 return log_error_errno(r, "Failed to normalize unit file path: %m");
6557
6558 was_path = true;
6559 }
6560
6561 if (warn_if_path && was_path)
6562 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6563
6564 return 0;
6565 }
6566
6567 static int unit_exists(LookupPaths *lp, const char *unit) {
6568 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6569 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6570 _cleanup_free_ char *path = NULL;
6571 static const struct bus_properties_map property_map[] = {
6572 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6573 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6574 {},
6575 };
6576 UnitStatusInfo info = {};
6577 sd_bus *bus;
6578 int r;
6579
6580 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6581 return unit_find_template_path(unit, lp, NULL, NULL);
6582
6583 path = unit_dbus_path_from_name(unit);
6584 if (!path)
6585 return log_oom();
6586
6587 r = acquire_bus(BUS_MANAGER, &bus);
6588 if (r < 0)
6589 return r;
6590
6591 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6592 if (r < 0)
6593 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6594
6595 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6596 }
6597
6598 static int enable_unit(int argc, char *argv[], void *userdata) {
6599 _cleanup_strv_free_ char **names = NULL;
6600 const char *verb = argv[0];
6601 UnitFileChange *changes = NULL;
6602 size_t n_changes = 0;
6603 int carries_install_info = -1;
6604 bool ignore_carries_install_info = arg_quiet;
6605 int r;
6606
6607 if (!argv[1])
6608 return 0;
6609
6610 r = mangle_names(strv_skip(argv, 1), &names);
6611 if (r < 0)
6612 return r;
6613
6614 r = enable_sysv_units(verb, names);
6615 if (r < 0)
6616 return r;
6617
6618 /* If the operation was fully executed by the SysV compat, let's finish early */
6619 if (strv_isempty(names)) {
6620 if (arg_no_reload || install_client_side())
6621 return 0;
6622 return daemon_reload(argc, argv, userdata);
6623 }
6624
6625 if (streq(verb, "disable")) {
6626 r = normalize_names(names, true);
6627 if (r < 0)
6628 return r;
6629 }
6630
6631 if (streq(verb, "link")) {
6632 r = normalize_filenames(names);
6633 if (r < 0)
6634 return r;
6635 }
6636
6637 if (install_client_side()) {
6638 UnitFileFlags flags;
6639
6640 flags = args_to_flags();
6641 if (streq(verb, "enable")) {
6642 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6643 carries_install_info = r;
6644 } else if (streq(verb, "disable"))
6645 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6646 else if (streq(verb, "reenable")) {
6647 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6648 carries_install_info = r;
6649 } else if (streq(verb, "link"))
6650 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6651 else if (streq(verb, "preset")) {
6652 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6653 } else if (streq(verb, "mask"))
6654 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6655 else if (streq(verb, "unmask"))
6656 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6657 else if (streq(verb, "revert"))
6658 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6659 else
6660 assert_not_reached("Unknown verb");
6661
6662 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6663 if (r < 0)
6664 goto finish;
6665 r = 0;
6666 } else {
6667 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6668 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6669 bool expect_carries_install_info = false;
6670 bool send_runtime = true, send_force = true, send_preset_mode = false;
6671 const char *method;
6672 sd_bus *bus;
6673
6674 if (STR_IN_SET(verb, "mask", "unmask")) {
6675 char **name;
6676 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6677
6678 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6679 if (r < 0)
6680 return r;
6681
6682 STRV_FOREACH(name, names) {
6683 r = unit_exists(&lp, *name);
6684 if (r < 0)
6685 return r;
6686 if (r == 0)
6687 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6688 }
6689 }
6690
6691 r = acquire_bus(BUS_MANAGER, &bus);
6692 if (r < 0)
6693 return r;
6694
6695 polkit_agent_open_maybe();
6696
6697 if (streq(verb, "enable")) {
6698 method = "EnableUnitFiles";
6699 expect_carries_install_info = true;
6700 } else if (streq(verb, "disable")) {
6701 method = "DisableUnitFiles";
6702 send_force = false;
6703 } else if (streq(verb, "reenable")) {
6704 method = "ReenableUnitFiles";
6705 expect_carries_install_info = true;
6706 } else if (streq(verb, "link"))
6707 method = "LinkUnitFiles";
6708 else if (streq(verb, "preset")) {
6709
6710 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6711 method = "PresetUnitFilesWithMode";
6712 send_preset_mode = true;
6713 } else
6714 method = "PresetUnitFiles";
6715
6716 expect_carries_install_info = true;
6717 ignore_carries_install_info = true;
6718 } else if (streq(verb, "mask"))
6719 method = "MaskUnitFiles";
6720 else if (streq(verb, "unmask")) {
6721 method = "UnmaskUnitFiles";
6722 send_force = false;
6723 } else if (streq(verb, "revert")) {
6724 method = "RevertUnitFiles";
6725 send_runtime = send_force = false;
6726 } else
6727 assert_not_reached("Unknown verb");
6728
6729 r = sd_bus_message_new_method_call(
6730 bus,
6731 &m,
6732 "org.freedesktop.systemd1",
6733 "/org/freedesktop/systemd1",
6734 "org.freedesktop.systemd1.Manager",
6735 method);
6736 if (r < 0)
6737 return bus_log_create_error(r);
6738
6739 r = sd_bus_message_append_strv(m, names);
6740 if (r < 0)
6741 return bus_log_create_error(r);
6742
6743 if (send_preset_mode) {
6744 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6745 if (r < 0)
6746 return bus_log_create_error(r);
6747 }
6748
6749 if (send_runtime) {
6750 r = sd_bus_message_append(m, "b", arg_runtime);
6751 if (r < 0)
6752 return bus_log_create_error(r);
6753 }
6754
6755 if (send_force) {
6756 r = sd_bus_message_append(m, "b", arg_force);
6757 if (r < 0)
6758 return bus_log_create_error(r);
6759 }
6760
6761 r = sd_bus_call(bus, m, 0, &error, &reply);
6762 if (r < 0)
6763 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6764
6765 if (expect_carries_install_info) {
6766 r = sd_bus_message_read(reply, "b", &carries_install_info);
6767 if (r < 0)
6768 return bus_log_parse_error(r);
6769 }
6770
6771 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6772 if (r < 0)
6773 goto finish;
6774
6775 /* Try to reload if enabled */
6776 if (!arg_no_reload)
6777 r = daemon_reload(argc, argv, userdata);
6778 else
6779 r = 0;
6780 }
6781
6782 if (carries_install_info == 0 && !ignore_carries_install_info)
6783 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6784 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6785 "units). This means they are not meant to be enabled using systemctl.\n"
6786 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6787 "Possible reasons for having this kind of units are:\n"
6788 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6789 " .wants/ or .requires/ directory.\n"
6790 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6791 " a requirement dependency on it.\n"
6792 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6793 " D-Bus, udev, scripted systemctl call, ...).\n"
6794 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6795 " instance name specified.",
6796 special_glyph(SPECIAL_GLYPH_BULLET));
6797
6798 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6799 sd_bus *bus;
6800 size_t len, i;
6801
6802 r = acquire_bus(BUS_MANAGER, &bus);
6803 if (r < 0)
6804 goto finish;
6805
6806 len = strv_length(names);
6807 {
6808 char *new_args[len + 2];
6809
6810 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6811 for (i = 0; i < len; i++)
6812 new_args[i + 1] = basename(names[i]);
6813 new_args[i + 1] = NULL;
6814
6815 r = start_unit(len + 1, new_args, userdata);
6816 }
6817 }
6818
6819 finish:
6820 unit_file_changes_free(changes, n_changes);
6821
6822 return r;
6823 }
6824
6825 static int add_dependency(int argc, char *argv[], void *userdata) {
6826 _cleanup_strv_free_ char **names = NULL;
6827 _cleanup_free_ char *target = NULL;
6828 const char *verb = argv[0];
6829 UnitFileChange *changes = NULL;
6830 size_t n_changes = 0;
6831 UnitDependency dep;
6832 int r = 0;
6833
6834 if (!argv[1])
6835 return 0;
6836
6837 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6838 if (r < 0)
6839 return log_error_errno(r, "Failed to mangle unit name: %m");
6840
6841 r = mangle_names(strv_skip(argv, 2), &names);
6842 if (r < 0)
6843 return r;
6844
6845 if (streq(verb, "add-wants"))
6846 dep = UNIT_WANTS;
6847 else if (streq(verb, "add-requires"))
6848 dep = UNIT_REQUIRES;
6849 else
6850 assert_not_reached("Unknown verb");
6851
6852 if (install_client_side()) {
6853 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6854 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6855
6856 if (r > 0)
6857 r = 0;
6858 } else {
6859 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6860 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6861 sd_bus *bus;
6862
6863 r = acquire_bus(BUS_MANAGER, &bus);
6864 if (r < 0)
6865 return r;
6866
6867 polkit_agent_open_maybe();
6868
6869 r = sd_bus_message_new_method_call(
6870 bus,
6871 &m,
6872 "org.freedesktop.systemd1",
6873 "/org/freedesktop/systemd1",
6874 "org.freedesktop.systemd1.Manager",
6875 "AddDependencyUnitFiles");
6876 if (r < 0)
6877 return bus_log_create_error(r);
6878
6879 r = sd_bus_message_append_strv(m, names);
6880 if (r < 0)
6881 return bus_log_create_error(r);
6882
6883 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6884 if (r < 0)
6885 return bus_log_create_error(r);
6886
6887 r = sd_bus_call(bus, m, 0, &error, &reply);
6888 if (r < 0)
6889 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6890
6891 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6892 if (r < 0)
6893 goto finish;
6894
6895 if (arg_no_reload) {
6896 r = 0;
6897 goto finish;
6898 }
6899
6900 r = daemon_reload(argc, argv, userdata);
6901 }
6902
6903 finish:
6904 unit_file_changes_free(changes, n_changes);
6905
6906 return r;
6907 }
6908
6909 static int preset_all(int argc, char *argv[], void *userdata) {
6910 UnitFileChange *changes = NULL;
6911 size_t n_changes = 0;
6912 int r;
6913
6914 if (install_client_side()) {
6915 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6916 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6917
6918 if (r > 0)
6919 r = 0;
6920 } else {
6921 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6922 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6923 sd_bus *bus;
6924
6925 r = acquire_bus(BUS_MANAGER, &bus);
6926 if (r < 0)
6927 return r;
6928
6929 polkit_agent_open_maybe();
6930
6931 r = sd_bus_call_method(
6932 bus,
6933 "org.freedesktop.systemd1",
6934 "/org/freedesktop/systemd1",
6935 "org.freedesktop.systemd1.Manager",
6936 "PresetAllUnitFiles",
6937 &error,
6938 &reply,
6939 "sbb",
6940 unit_file_preset_mode_to_string(arg_preset_mode),
6941 arg_runtime,
6942 arg_force);
6943 if (r < 0)
6944 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6945
6946 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6947 if (r < 0)
6948 goto finish;
6949
6950 if (arg_no_reload) {
6951 r = 0;
6952 goto finish;
6953 }
6954
6955 r = daemon_reload(argc, argv, userdata);
6956 }
6957
6958 finish:
6959 unit_file_changes_free(changes, n_changes);
6960
6961 return r;
6962 }
6963
6964 static int show_installation_targets_client_side(const char *name) {
6965 UnitFileChange *changes = NULL;
6966 size_t n_changes = 0, i;
6967 UnitFileFlags flags;
6968 char **p;
6969 int r;
6970
6971 p = STRV_MAKE(name);
6972 flags = UNIT_FILE_DRY_RUN |
6973 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6974
6975 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6976 if (r < 0)
6977 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6978
6979 for (i = 0; i < n_changes; i++)
6980 if (changes[i].type == UNIT_FILE_UNLINK)
6981 printf(" %s\n", changes[i].path);
6982
6983 return 0;
6984 }
6985
6986 static int show_installation_targets(sd_bus *bus, const char *name) {
6987 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6988 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6989 const char *link;
6990 int r;
6991
6992 r = sd_bus_call_method(
6993 bus,
6994 "org.freedesktop.systemd1",
6995 "/org/freedesktop/systemd1",
6996 "org.freedesktop.systemd1.Manager",
6997 "GetUnitFileLinks",
6998 &error,
6999 &reply,
7000 "sb", name, arg_runtime);
7001 if (r < 0)
7002 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7003
7004 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7005 if (r < 0)
7006 return bus_log_parse_error(r);
7007
7008 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7009 printf(" %s\n", link);
7010
7011 if (r < 0)
7012 return bus_log_parse_error(r);
7013
7014 r = sd_bus_message_exit_container(reply);
7015 if (r < 0)
7016 return bus_log_parse_error(r);
7017
7018 return 0;
7019 }
7020
7021 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7022 _cleanup_strv_free_ char **names = NULL;
7023 bool enabled;
7024 char **name;
7025 int r;
7026
7027 r = mangle_names(strv_skip(argv, 1), &names);
7028 if (r < 0)
7029 return r;
7030
7031 r = enable_sysv_units(argv[0], names);
7032 if (r < 0)
7033 return r;
7034
7035 enabled = r > 0;
7036
7037 if (install_client_side()) {
7038 STRV_FOREACH(name, names) {
7039 UnitFileState state;
7040
7041 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7042 if (r < 0)
7043 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7044
7045 if (IN_SET(state,
7046 UNIT_FILE_ENABLED,
7047 UNIT_FILE_ENABLED_RUNTIME,
7048 UNIT_FILE_STATIC,
7049 UNIT_FILE_INDIRECT,
7050 UNIT_FILE_GENERATED))
7051 enabled = true;
7052
7053 if (!arg_quiet) {
7054 puts(unit_file_state_to_string(state));
7055 if (arg_full) {
7056 r = show_installation_targets_client_side(*name);
7057 if (r < 0)
7058 return r;
7059 }
7060 }
7061 }
7062
7063 r = 0;
7064 } else {
7065 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7066 sd_bus *bus;
7067
7068 r = acquire_bus(BUS_MANAGER, &bus);
7069 if (r < 0)
7070 return r;
7071
7072 STRV_FOREACH(name, names) {
7073 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7074 const char *s;
7075
7076 r = sd_bus_call_method(
7077 bus,
7078 "org.freedesktop.systemd1",
7079 "/org/freedesktop/systemd1",
7080 "org.freedesktop.systemd1.Manager",
7081 "GetUnitFileState",
7082 &error,
7083 &reply,
7084 "s", *name);
7085 if (r < 0)
7086 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7087
7088 r = sd_bus_message_read(reply, "s", &s);
7089 if (r < 0)
7090 return bus_log_parse_error(r);
7091
7092 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7093 enabled = true;
7094
7095 if (!arg_quiet) {
7096 puts(s);
7097 if (arg_full) {
7098 r = show_installation_targets(bus, *name);
7099 if (r < 0)
7100 return r;
7101 }
7102 }
7103 }
7104 }
7105
7106 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7107 }
7108
7109 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7110 char **state = userdata;
7111 int r;
7112
7113 assert(state);
7114
7115 r = sd_bus_get_property_string(
7116 sd_bus_message_get_bus(m),
7117 "org.freedesktop.systemd1",
7118 "/org/freedesktop/systemd1",
7119 "org.freedesktop.systemd1.Manager",
7120 "SystemState",
7121 NULL,
7122 state);
7123
7124 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7125 return 0;
7126 }
7127
7128 static int is_system_running(int argc, char *argv[], void *userdata) {
7129 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7130 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7131 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7132 _cleanup_free_ char *state = NULL;
7133 sd_bus *bus;
7134 int r;
7135
7136 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7137 if (!arg_quiet)
7138 puts("offline");
7139 return EXIT_FAILURE;
7140 }
7141
7142 r = acquire_bus(BUS_MANAGER, &bus);
7143 if (r < 0)
7144 return r;
7145
7146 if (arg_wait) {
7147 r = sd_event_default(&event);
7148 if (r >= 0)
7149 r = sd_bus_attach_event(bus, event, 0);
7150 if (r >= 0)
7151 r = sd_bus_match_signal_async(
7152 bus,
7153 &slot_startup_finished,
7154 "org.freedesktop.systemd1",
7155 "/org/freedesktop/systemd1",
7156 "org.freedesktop.systemd1.Manager",
7157 "StartupFinished",
7158 match_startup_finished, NULL, &state);
7159 if (r < 0) {
7160 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7161 arg_wait = false;
7162 }
7163 }
7164
7165 r = sd_bus_get_property_string(
7166 bus,
7167 "org.freedesktop.systemd1",
7168 "/org/freedesktop/systemd1",
7169 "org.freedesktop.systemd1.Manager",
7170 "SystemState",
7171 &error,
7172 &state);
7173 if (r < 0) {
7174 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7175
7176 if (!arg_quiet)
7177 puts("unknown");
7178 return EXIT_FAILURE;
7179 }
7180
7181 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7182 r = sd_event_loop(event);
7183 if (r < 0) {
7184 log_warning_errno(r, "Failed to get property from event loop: %m");
7185 if (!arg_quiet)
7186 puts("unknown");
7187 return EXIT_FAILURE;
7188 }
7189 }
7190
7191 if (!arg_quiet)
7192 puts(state);
7193
7194 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7195 }
7196
7197 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7198 _cleanup_free_ char *t = NULL;
7199 int r;
7200
7201 assert(new_path);
7202 assert(original_path);
7203 assert(ret_tmp_fn);
7204
7205 r = tempfn_random(new_path, NULL, &t);
7206 if (r < 0)
7207 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7208
7209 r = mkdir_parents(new_path, 0755);
7210 if (r < 0)
7211 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7212
7213 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7214 if (r == -ENOENT) {
7215
7216 r = touch(t);
7217 if (r < 0)
7218 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7219
7220 } else if (r < 0)
7221 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7222
7223 *ret_tmp_fn = TAKE_PTR(t);
7224
7225 return 0;
7226 }
7227
7228 static int get_file_to_edit(
7229 const LookupPaths *paths,
7230 const char *name,
7231 char **ret_path) {
7232
7233 _cleanup_free_ char *path = NULL, *run = NULL;
7234
7235 assert(name);
7236 assert(ret_path);
7237
7238 path = strjoin(paths->persistent_config, "/", name);
7239 if (!path)
7240 return log_oom();
7241
7242 if (arg_runtime) {
7243 run = strjoin(paths->runtime_config, "/", name);
7244 if (!run)
7245 return log_oom();
7246 }
7247
7248 if (arg_runtime) {
7249 if (access(path, F_OK) >= 0)
7250 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7251 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7252 run, path);
7253
7254 *ret_path = TAKE_PTR(run);
7255 } else
7256 *ret_path = TAKE_PTR(path);
7257
7258 return 0;
7259 }
7260
7261 static int unit_file_create_new(
7262 const LookupPaths *paths,
7263 const char *unit_name,
7264 const char *suffix,
7265 char **ret_new_path,
7266 char **ret_tmp_path) {
7267
7268 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7269 const char *ending;
7270 int r;
7271
7272 assert(unit_name);
7273 assert(ret_new_path);
7274 assert(ret_tmp_path);
7275
7276 ending = strjoina(unit_name, suffix);
7277 r = get_file_to_edit(paths, ending, &new_path);
7278 if (r < 0)
7279 return r;
7280
7281 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7282 if (r < 0)
7283 return r;
7284
7285 *ret_new_path = TAKE_PTR(new_path);
7286 *ret_tmp_path = TAKE_PTR(tmp_path);
7287
7288 return 0;
7289 }
7290
7291 static int unit_file_create_copy(
7292 const LookupPaths *paths,
7293 const char *unit_name,
7294 const char *fragment_path,
7295 char **ret_new_path,
7296 char **ret_tmp_path) {
7297
7298 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7299 int r;
7300
7301 assert(fragment_path);
7302 assert(unit_name);
7303 assert(ret_new_path);
7304 assert(ret_tmp_path);
7305
7306 r = get_file_to_edit(paths, unit_name, &new_path);
7307 if (r < 0)
7308 return r;
7309
7310 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7311 char response;
7312
7313 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7314 if (r < 0)
7315 return r;
7316 if (response != 'y')
7317 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7318 }
7319
7320 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7321 if (r < 0)
7322 return r;
7323
7324 *ret_new_path = TAKE_PTR(new_path);
7325 *ret_tmp_path = TAKE_PTR(tmp_path);
7326
7327 return 0;
7328 }
7329
7330 static int run_editor(char **paths) {
7331 int r;
7332
7333 assert(paths);
7334
7335 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7336 if (r < 0)
7337 return r;
7338 if (r == 0) {
7339 char **editor_args = NULL, **tmp_path, **original_path;
7340 size_t n_editor_args = 0, i = 1, argc;
7341 const char **args, *editor, *p;
7342
7343 argc = strv_length(paths)/2 + 1;
7344
7345 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7346 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7347 * we try to execute well known editors
7348 */
7349 editor = getenv("SYSTEMD_EDITOR");
7350 if (!editor)
7351 editor = getenv("EDITOR");
7352 if (!editor)
7353 editor = getenv("VISUAL");
7354
7355 if (!isempty(editor)) {
7356 editor_args = strv_split(editor, WHITESPACE);
7357 if (!editor_args) {
7358 (void) log_oom();
7359 _exit(EXIT_FAILURE);
7360 }
7361 n_editor_args = strv_length(editor_args);
7362 argc += n_editor_args - 1;
7363 }
7364
7365 args = newa(const char*, argc + 1);
7366
7367 if (n_editor_args > 0) {
7368 args[0] = editor_args[0];
7369 for (; i < n_editor_args; i++)
7370 args[i] = editor_args[i];
7371 }
7372
7373 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7374 args[i++] = *tmp_path;
7375 args[i] = NULL;
7376
7377 if (n_editor_args > 0)
7378 execvp(args[0], (char* const*) args);
7379
7380 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7381 args[0] = p;
7382 execvp(p, (char* const*) args);
7383 /* We do not fail if the editor doesn't exist
7384 * because we want to try each one of them before
7385 * failing.
7386 */
7387 if (errno != ENOENT) {
7388 log_error_errno(errno, "Failed to execute %s: %m", editor);
7389 _exit(EXIT_FAILURE);
7390 }
7391 }
7392
7393 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7394 _exit(EXIT_FAILURE);
7395 }
7396
7397 return 0;
7398 }
7399
7400 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7401 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7402 char **name;
7403 int r;
7404
7405 assert(names);
7406 assert(paths);
7407
7408 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7409 if (r < 0)
7410 return r;
7411
7412 STRV_FOREACH(name, names) {
7413 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7414 const char *unit_name;
7415
7416 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7417 if (r == -EKEYREJECTED) {
7418 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7419 * file path. In that case, find the file client side. */
7420 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7421 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7422 }
7423 if (r == -ERFKILL)
7424 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7425 if (r < 0)
7426 return r;
7427
7428 if (r == 0) {
7429 assert(!path);
7430
7431 if (!arg_force) {
7432 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7433 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7434 arg_scope == UNIT_FILE_USER ? " --user" : "",
7435 *name);
7436 return -ENOENT;
7437 }
7438
7439 /* Create a new unit from scratch */
7440 unit_name = *name;
7441 r = unit_file_create_new(&lp, unit_name,
7442 arg_full ? NULL : ".d/override.conf",
7443 &new_path, &tmp_path);
7444 } else {
7445 assert(path);
7446
7447 unit_name = basename(path);
7448 /* We follow unit aliases, but we need to propagate the instance */
7449 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7450 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7451 _cleanup_free_ char *instance = NULL;
7452
7453 r = unit_name_to_instance(*name, &instance);
7454 if (r < 0)
7455 return r;
7456
7457 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7458 if (r < 0)
7459 return r;
7460
7461 unit_name = tmp_name;
7462 }
7463
7464 if (arg_full)
7465 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7466 else
7467 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7468 }
7469 if (r < 0)
7470 return r;
7471
7472 r = strv_push_pair(paths, new_path, tmp_path);
7473 if (r < 0)
7474 return log_oom();
7475
7476 new_path = tmp_path = NULL;
7477 }
7478
7479 return 0;
7480 }
7481
7482 static int edit(int argc, char *argv[], void *userdata) {
7483 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7484 _cleanup_strv_free_ char **names = NULL;
7485 _cleanup_strv_free_ char **paths = NULL;
7486 char **original, **tmp;
7487 sd_bus *bus;
7488 int r;
7489
7490 if (!on_tty())
7491 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7492
7493 if (arg_transport != BUS_TRANSPORT_LOCAL)
7494 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7495
7496 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7497 if (r < 0)
7498 return log_error_errno(r, "Failed to determine unit paths: %m");
7499
7500 r = acquire_bus(BUS_MANAGER, &bus);
7501 if (r < 0)
7502 return r;
7503
7504 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7505 if (r < 0)
7506 return log_error_errno(r, "Failed to expand names: %m");
7507
7508 STRV_FOREACH(tmp, names) {
7509 r = unit_is_masked(bus, &lp, *tmp);
7510 if (r < 0)
7511 return r;
7512 if (r > 0)
7513 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7514 }
7515
7516 r = find_paths_to_edit(bus, names, &paths);
7517 if (r < 0)
7518 return r;
7519
7520 if (strv_isempty(paths))
7521 return -ENOENT;
7522
7523 r = run_editor(paths);
7524 if (r < 0)
7525 goto end;
7526
7527 STRV_FOREACH_PAIR(original, tmp, paths) {
7528 /* If the temporary file is empty we ignore it.
7529 * This allows the user to cancel the modification.
7530 */
7531 if (null_or_empty_path(*tmp)) {
7532 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7533 continue;
7534 }
7535
7536 r = rename(*tmp, *original);
7537 if (r < 0) {
7538 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7539 goto end;
7540 }
7541 }
7542
7543 r = 0;
7544
7545 if (!arg_no_reload && !install_client_side())
7546 r = daemon_reload(argc, argv, userdata);
7547
7548 end:
7549 STRV_FOREACH_PAIR(original, tmp, paths) {
7550 (void) unlink(*tmp);
7551
7552 /* Removing empty dropin dirs */
7553 if (!arg_full) {
7554 _cleanup_free_ char *dir;
7555
7556 dir = dirname_malloc(*original);
7557 if (!dir)
7558 return log_oom();
7559
7560 /* no need to check if the dir is empty, rmdir
7561 * does nothing if it is not the case.
7562 */
7563 (void) rmdir(dir);
7564 }
7565 }
7566
7567 return r;
7568 }
7569
7570 static int systemctl_help(void) {
7571 _cleanup_free_ char *link = NULL;
7572 int r;
7573
7574 (void) pager_open(arg_pager_flags);
7575
7576 r = terminal_urlify_man("systemctl", "1", &link);
7577 if (r < 0)
7578 return log_oom();
7579
7580 printf("%1$s [OPTIONS...] {COMMAND} ...\n\n"
7581 "Query or send control commands to the systemd manager.\n\n"
7582 " -h --help Show this help\n"
7583 " --version Show package version\n"
7584 " --system Connect to system manager\n"
7585 " --user Connect to user service manager\n"
7586 " -H --host=[USER@]HOST\n"
7587 " Operate on remote host\n"
7588 " -M --machine=CONTAINER\n"
7589 " Operate on local container\n"
7590 " -t --type=TYPE List units of a particular type\n"
7591 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7592 " --failed Shorcut for --state=failed\n"
7593 " -p --property=NAME Show only properties by this name\n"
7594 " -a --all Show all properties/all units currently in memory,\n"
7595 " including dead/empty ones. To list all units installed on\n"
7596 " the system, use the 'list-unit-files' command instead.\n"
7597 " -l --full Don't ellipsize unit names on output\n"
7598 " -r --recursive Show unit list of host and local containers\n"
7599 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7600 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7601 " queueing a new job\n"
7602 " -T --show-transaction\n"
7603 " When enqueuing a unit job, show full transaction\n"
7604 " --show-types When showing sockets, explicitly show their type\n"
7605 " --value When showing properties, only print the value\n"
7606 " -i --ignore-inhibitors\n"
7607 " When shutting down or sleeping, ignore inhibitors\n"
7608 " --kill-who=WHO Who to send signal to\n"
7609 " -s --signal=SIGNAL Which signal to send\n"
7610 " --now Start or stop unit in addition to enabling or disabling it\n"
7611 " --dry-run Only print what would be done\n"
7612 " -q --quiet Suppress output\n"
7613 " --wait For (re)start, wait until service stopped again\n"
7614 " For is-system-running, wait until startup is completed\n"
7615 " --no-block Do not wait until operation finished\n"
7616 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7617 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7618 " --no-legend Do not print a legend (column headers and hints)\n"
7619 " --no-pager Do not pipe output into a pager\n"
7620 " --no-ask-password\n"
7621 " Do not ask for system passwords\n"
7622 " --global Enable/disable/mask unit files globally\n"
7623 " --runtime Enable/disable/mask unit files temporarily until next\n"
7624 " reboot\n"
7625 " -f --force When enabling unit files, override existing symlinks\n"
7626 " When shutting down, execute action immediately\n"
7627 " --preset-mode= Apply only enable, only disable, or all presets\n"
7628 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7629 " directory\n"
7630 " -n --lines=INTEGER Number of journal entries to show\n"
7631 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7632 " short-iso, short-iso-precise, short-full,\n"
7633 " short-monotonic, short-unix,\n"
7634 " verbose, export, json, json-pretty, json-sse, cat)\n"
7635 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7636 " --boot-loader-menu=TIME\n"
7637 " Boot into boot loader menu on next boot\n"
7638 " --boot-loader-entry=NAME\n"
7639 " Boot into a specific boot loader entry on next boot\n"
7640 " --plain Print unit dependencies as a list instead of a tree\n\n"
7641 "%3$sUnit Commands:%4$s\n"
7642 " list-units [PATTERN...] List units currently in memory\n"
7643 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7644 " ordered by address\n"
7645 " list-timers [PATTERN...] List timer units currently in memory,\n"
7646 " ordered by next elapse\n"
7647 " start UNIT... Start (activate) one or more units\n"
7648 " stop UNIT... Stop (deactivate) one or more units\n"
7649 " reload UNIT... Reload one or more units\n"
7650 " restart UNIT... Start or restart one or more units\n"
7651 " try-restart UNIT... Restart one or more units if active\n"
7652 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7653 " otherwise start or restart\n"
7654 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7655 " if supported, otherwise restart\n"
7656 " isolate UNIT Start one unit and stop all others\n"
7657 " kill UNIT... Send signal to processes of a unit\n"
7658 " is-active PATTERN... Check whether units are active\n"
7659 " is-failed PATTERN... Check whether units are failed\n"
7660 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7661 " show [PATTERN...|JOB...] Show properties of one or more\n"
7662 " units/jobs or the manager\n"
7663 " cat PATTERN... Show files and drop-ins of specified units\n"
7664 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7665 " help PATTERN...|PID... Show manual for one or more units\n"
7666 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7667 " units\n"
7668 " list-dependencies [UNIT] Recursively show units which are required\n"
7669 " or wanted by this unit or by which this\n"
7670 " unit is required or wanted\n\n"
7671 "%3$sUnit File Commands:%4$s\n"
7672 " list-unit-files [PATTERN...] List installed unit files\n"
7673 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7674 " disable UNIT... Disable one or more unit files\n"
7675 " reenable UNIT... Reenable one or more unit files\n"
7676 " preset UNIT... Enable/disable one or more unit files\n"
7677 " based on preset configuration\n"
7678 " preset-all Enable/disable all unit files based on\n"
7679 " preset configuration\n"
7680 " is-enabled UNIT... Check whether unit files are enabled\n"
7681 " mask UNIT... Mask one or more units\n"
7682 " unmask UNIT... Unmask one or more units\n"
7683 " link PATH... Link one or more units files into\n"
7684 " the search path\n"
7685 " revert UNIT... Revert one or more unit files to vendor\n"
7686 " version\n"
7687 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7688 " on specified one or more units\n"
7689 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7690 " on specified one or more units\n"
7691 " edit UNIT... Edit one or more unit files\n"
7692 " get-default Get the name of the default target\n"
7693 " set-default TARGET Set the default target\n\n"
7694 "%3$sMachine Commands:%4$s\n"
7695 " list-machines [PATTERN...] List local containers and host\n\n"
7696 "%3$sJob Commands:%4$s\n"
7697 " list-jobs [PATTERN...] List jobs\n"
7698 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7699 "%3$sEnvironment Commands:%4$s\n"
7700 " show-environment Dump environment\n"
7701 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7702 " unset-environment VARIABLE... Unset one or more environment variables\n"
7703 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7704 "%3$sManager Lifecycle Commands:%4$s\n"
7705 " daemon-reload Reload systemd manager configuration\n"
7706 " daemon-reexec Reexecute systemd manager\n\n"
7707 "%3$sSystem Commands:%4$s\n"
7708 " is-system-running Check whether system is fully running\n"
7709 " default Enter system default mode\n"
7710 " rescue Enter system rescue mode\n"
7711 " emergency Enter system emergency mode\n"
7712 " halt Shut down and halt the system\n"
7713 " poweroff Shut down and power-off the system\n"
7714 " reboot [ARG] Shut down and reboot the system\n"
7715 " kexec Shut down and reboot the system with kexec\n"
7716 " exit [EXIT_CODE] Request user instance or container exit\n"
7717 " switch-root ROOT [INIT] Change to a different root file system\n"
7718 " suspend Suspend the system\n"
7719 " hibernate Hibernate the system\n"
7720 " hybrid-sleep Hibernate and suspend the system\n"
7721 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7722 " time and put it into hibernate\n"
7723 "\nSee the %2$s for details.\n"
7724 , program_invocation_short_name
7725 , link
7726 , ansi_underline(), ansi_normal()
7727 );
7728
7729 return 0;
7730 }
7731
7732 static int halt_help(void) {
7733 _cleanup_free_ char *link = NULL;
7734 int r;
7735
7736 r = terminal_urlify_man("halt", "8", &link);
7737 if (r < 0)
7738 return log_oom();
7739
7740 printf("%s [OPTIONS...]%s\n\n"
7741 "%s the system.\n\n"
7742 " --help Show this help\n"
7743 " --halt Halt the machine\n"
7744 " -p --poweroff Switch off the machine\n"
7745 " --reboot Reboot the machine\n"
7746 " -f --force Force immediate halt/power-off/reboot\n"
7747 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7748 " -d --no-wtmp Don't write wtmp record\n"
7749 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7750 "\nSee the %s for details.\n"
7751 , program_invocation_short_name
7752 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7753 arg_action == ACTION_REBOOT ? "Reboot" :
7754 arg_action == ACTION_POWEROFF ? "Power off" :
7755 "Halt"
7756 , link
7757 );
7758
7759 return 0;
7760 }
7761
7762 static int shutdown_help(void) {
7763 _cleanup_free_ char *link = NULL;
7764 int r;
7765
7766 r = terminal_urlify_man("shutdown", "8", &link);
7767 if (r < 0)
7768 return log_oom();
7769
7770 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7771 "Shut down the system.\n\n"
7772 " --help Show this help\n"
7773 " -H --halt Halt the machine\n"
7774 " -P --poweroff Power-off the machine\n"
7775 " -r --reboot Reboot the machine\n"
7776 " -h Equivalent to --poweroff, overridden by --halt\n"
7777 " -k Don't halt/power-off/reboot, just send warnings\n"
7778 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7779 " -c Cancel a pending shutdown\n"
7780 "\nSee the %s for details.\n"
7781 , program_invocation_short_name
7782 , link
7783 );
7784
7785 return 0;
7786 }
7787
7788 static int telinit_help(void) {
7789 _cleanup_free_ char *link = NULL;
7790 int r;
7791
7792 r = terminal_urlify_man("telinit", "8", &link);
7793 if (r < 0)
7794 return log_oom();
7795
7796 printf("%s [OPTIONS...] {COMMAND}\n\n"
7797 "Send control commands to the init daemon.\n\n"
7798 " --help Show this help\n"
7799 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7800 "Commands:\n"
7801 " 0 Power-off the machine\n"
7802 " 6 Reboot the machine\n"
7803 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7804 " 1, s, S Enter rescue mode\n"
7805 " q, Q Reload init daemon configuration\n"
7806 " u, U Reexecute init daemon\n"
7807 "\nSee the %s for details.\n"
7808 , program_invocation_short_name
7809 , link
7810 );
7811
7812 return 0;
7813 }
7814
7815 static int runlevel_help(void) {
7816 _cleanup_free_ char *link = NULL;
7817 int r;
7818
7819 r = terminal_urlify_man("runlevel", "8", &link);
7820 if (r < 0)
7821 return log_oom();
7822
7823 printf("%s [OPTIONS...]\n\n"
7824 "Prints the previous and current runlevel of the init system.\n\n"
7825 " --help Show this help\n"
7826 "\nSee the %s for details.\n"
7827 , program_invocation_short_name
7828 , link
7829 );
7830
7831 return 0;
7832 }
7833
7834 static void help_types(void) {
7835 if (!arg_no_legend)
7836 puts("Available unit types:");
7837
7838 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7839 }
7840
7841 static void help_states(void) {
7842 if (!arg_no_legend)
7843 puts("Available unit load states:");
7844 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7845
7846 if (!arg_no_legend)
7847 puts("\nAvailable unit active states:");
7848 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7849
7850 if (!arg_no_legend)
7851 puts("\nAvailable automount unit substates:");
7852 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7853
7854 if (!arg_no_legend)
7855 puts("\nAvailable device unit substates:");
7856 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7857
7858 if (!arg_no_legend)
7859 puts("\nAvailable mount unit substates:");
7860 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7861
7862 if (!arg_no_legend)
7863 puts("\nAvailable path unit substates:");
7864 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7865
7866 if (!arg_no_legend)
7867 puts("\nAvailable scope unit substates:");
7868 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7869
7870 if (!arg_no_legend)
7871 puts("\nAvailable service unit substates:");
7872 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7873
7874 if (!arg_no_legend)
7875 puts("\nAvailable slice unit substates:");
7876 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7877
7878 if (!arg_no_legend)
7879 puts("\nAvailable socket unit substates:");
7880 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7881
7882 if (!arg_no_legend)
7883 puts("\nAvailable swap unit substates:");
7884 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7885
7886 if (!arg_no_legend)
7887 puts("\nAvailable target unit substates:");
7888 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7889
7890 if (!arg_no_legend)
7891 puts("\nAvailable timer unit substates:");
7892 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7893 }
7894
7895 static int help_boot_loader_entry(void) {
7896 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7897 _cleanup_free_ char **l = NULL;
7898 sd_bus *bus;
7899 char **i;
7900 int r;
7901
7902 r = acquire_bus(BUS_FULL, &bus);
7903 if (r < 0)
7904 return r;
7905
7906 r = sd_bus_get_property_strv(
7907 bus,
7908 "org.freedesktop.login1",
7909 "/org/freedesktop/login1",
7910 "org.freedesktop.login1.Manager",
7911 "BootLoaderEntries",
7912 &error,
7913 &l);
7914 if (r < 0)
7915 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
7916
7917 if (strv_isempty(l))
7918 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
7919
7920 STRV_FOREACH(i, l)
7921 puts(*i);
7922
7923 return 0;
7924 }
7925
7926 static int systemctl_parse_argv(int argc, char *argv[]) {
7927 enum {
7928 ARG_FAIL = 0x100,
7929 ARG_REVERSE,
7930 ARG_AFTER,
7931 ARG_BEFORE,
7932 ARG_DRY_RUN,
7933 ARG_SHOW_TYPES,
7934 ARG_IRREVERSIBLE,
7935 ARG_IGNORE_DEPENDENCIES,
7936 ARG_VALUE,
7937 ARG_VERSION,
7938 ARG_USER,
7939 ARG_SYSTEM,
7940 ARG_GLOBAL,
7941 ARG_NO_BLOCK,
7942 ARG_NO_LEGEND,
7943 ARG_NO_PAGER,
7944 ARG_NO_WALL,
7945 ARG_ROOT,
7946 ARG_NO_RELOAD,
7947 ARG_KILL_WHO,
7948 ARG_NO_ASK_PASSWORD,
7949 ARG_FAILED,
7950 ARG_RUNTIME,
7951 ARG_PLAIN,
7952 ARG_STATE,
7953 ARG_JOB_MODE,
7954 ARG_PRESET_MODE,
7955 ARG_FIRMWARE_SETUP,
7956 ARG_BOOT_LOADER_MENU,
7957 ARG_BOOT_LOADER_ENTRY,
7958 ARG_NOW,
7959 ARG_MESSAGE,
7960 ARG_WAIT,
7961 };
7962
7963 static const struct option options[] = {
7964 { "help", no_argument, NULL, 'h' },
7965 { "version", no_argument, NULL, ARG_VERSION },
7966 { "type", required_argument, NULL, 't' },
7967 { "property", required_argument, NULL, 'p' },
7968 { "all", no_argument, NULL, 'a' },
7969 { "reverse", no_argument, NULL, ARG_REVERSE },
7970 { "after", no_argument, NULL, ARG_AFTER },
7971 { "before", no_argument, NULL, ARG_BEFORE },
7972 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7973 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7974 { "full", no_argument, NULL, 'l' },
7975 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7976 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7977 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7978 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7979 { "ignore-inhibitors", no_argument, NULL, 'i' },
7980 { "value", no_argument, NULL, ARG_VALUE },
7981 { "user", no_argument, NULL, ARG_USER },
7982 { "system", no_argument, NULL, ARG_SYSTEM },
7983 { "global", no_argument, NULL, ARG_GLOBAL },
7984 { "wait", no_argument, NULL, ARG_WAIT },
7985 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7986 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7987 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7988 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7989 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7990 { "quiet", no_argument, NULL, 'q' },
7991 { "root", required_argument, NULL, ARG_ROOT },
7992 { "force", no_argument, NULL, 'f' },
7993 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7994 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7995 { "signal", required_argument, NULL, 's' },
7996 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7997 { "host", required_argument, NULL, 'H' },
7998 { "machine", required_argument, NULL, 'M' },
7999 { "runtime", no_argument, NULL, ARG_RUNTIME },
8000 { "lines", required_argument, NULL, 'n' },
8001 { "output", required_argument, NULL, 'o' },
8002 { "plain", no_argument, NULL, ARG_PLAIN },
8003 { "state", required_argument, NULL, ARG_STATE },
8004 { "recursive", no_argument, NULL, 'r' },
8005 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8006 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8007 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8008 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8009 { "now", no_argument, NULL, ARG_NOW },
8010 { "message", required_argument, NULL, ARG_MESSAGE },
8011 { "show-transaction", no_argument, NULL, 'T' },
8012 {}
8013 };
8014
8015 int c, r;
8016
8017 assert(argc >= 0);
8018 assert(argv);
8019
8020 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8021 arg_ask_password = true;
8022
8023 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8024
8025 switch (c) {
8026
8027 case 'h':
8028 return systemctl_help();
8029
8030 case ARG_VERSION:
8031 return version();
8032
8033 case 't': {
8034 const char *p;
8035
8036 if (isempty(optarg))
8037 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8038 "--type= requires arguments.");
8039
8040 for (p = optarg;;) {
8041 _cleanup_free_ char *type = NULL;
8042
8043 r = extract_first_word(&p, &type, ",", 0);
8044 if (r < 0)
8045 return log_error_errno(r, "Failed to parse type: %s", optarg);
8046 if (r == 0)
8047 break;
8048
8049 if (streq(type, "help")) {
8050 help_types();
8051 return 0;
8052 }
8053
8054 if (unit_type_from_string(type) >= 0) {
8055 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8056 return log_oom();
8057 continue;
8058 }
8059
8060 /* It's much nicer to use --state= for
8061 * load states, but let's support this
8062 * in --types= too for compatibility
8063 * with old versions */
8064 if (unit_load_state_from_string(type) >= 0) {
8065 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8066 return log_oom();
8067 continue;
8068 }
8069
8070 log_error("Unknown unit type or load state '%s'.", type);
8071 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8072 "Use -t help to see a list of allowed values.");
8073 }
8074
8075 break;
8076 }
8077
8078 case 'p':
8079 /* Make sure that if the empty property list was specified, we won't show any
8080 properties. */
8081 if (isempty(optarg) && !arg_properties) {
8082 arg_properties = new0(char*, 1);
8083 if (!arg_properties)
8084 return log_oom();
8085 } else {
8086 const char *p;
8087
8088 for (p = optarg;;) {
8089 _cleanup_free_ char *prop = NULL;
8090
8091 r = extract_first_word(&p, &prop, ",", 0);
8092 if (r < 0)
8093 return log_error_errno(r, "Failed to parse property: %s", optarg);
8094 if (r == 0)
8095 break;
8096
8097 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8098 return log_oom();
8099 }
8100 }
8101
8102 /* If the user asked for a particular
8103 * property, show it to him, even if it is
8104 * empty. */
8105 arg_all = true;
8106
8107 break;
8108
8109 case 'a':
8110 arg_all = true;
8111 break;
8112
8113 case ARG_REVERSE:
8114 arg_dependency = DEPENDENCY_REVERSE;
8115 break;
8116
8117 case ARG_AFTER:
8118 arg_dependency = DEPENDENCY_AFTER;
8119 arg_jobs_after = true;
8120 break;
8121
8122 case ARG_BEFORE:
8123 arg_dependency = DEPENDENCY_BEFORE;
8124 arg_jobs_before = true;
8125 break;
8126
8127 case ARG_SHOW_TYPES:
8128 arg_show_types = true;
8129 break;
8130
8131 case ARG_VALUE:
8132 arg_value = true;
8133 break;
8134
8135 case ARG_JOB_MODE:
8136 arg_job_mode = optarg;
8137 break;
8138
8139 case ARG_FAIL:
8140 arg_job_mode = "fail";
8141 break;
8142
8143 case ARG_IRREVERSIBLE:
8144 arg_job_mode = "replace-irreversibly";
8145 break;
8146
8147 case ARG_IGNORE_DEPENDENCIES:
8148 arg_job_mode = "ignore-dependencies";
8149 break;
8150
8151 case ARG_USER:
8152 arg_scope = UNIT_FILE_USER;
8153 break;
8154
8155 case ARG_SYSTEM:
8156 arg_scope = UNIT_FILE_SYSTEM;
8157 break;
8158
8159 case ARG_GLOBAL:
8160 arg_scope = UNIT_FILE_GLOBAL;
8161 break;
8162
8163 case ARG_WAIT:
8164 arg_wait = true;
8165 break;
8166
8167 case ARG_NO_BLOCK:
8168 arg_no_block = true;
8169 break;
8170
8171 case ARG_NO_LEGEND:
8172 arg_no_legend = true;
8173 break;
8174
8175 case ARG_NO_PAGER:
8176 arg_pager_flags |= PAGER_DISABLE;
8177 break;
8178
8179 case ARG_NO_WALL:
8180 arg_no_wall = true;
8181 break;
8182
8183 case ARG_ROOT:
8184 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8185 if (r < 0)
8186 return r;
8187 break;
8188
8189 case 'l':
8190 arg_full = true;
8191 break;
8192
8193 case ARG_FAILED:
8194 if (strv_extend(&arg_states, "failed") < 0)
8195 return log_oom();
8196
8197 break;
8198
8199 case ARG_DRY_RUN:
8200 arg_dry_run = true;
8201 break;
8202
8203 case 'q':
8204 arg_quiet = true;
8205 break;
8206
8207 case 'f':
8208 arg_force++;
8209 break;
8210
8211 case ARG_NO_RELOAD:
8212 arg_no_reload = true;
8213 break;
8214
8215 case ARG_KILL_WHO:
8216 arg_kill_who = optarg;
8217 break;
8218
8219 case 's':
8220 if (streq(optarg, "help")) {
8221 DUMP_STRING_TABLE(signal, int, _NSIG);
8222 return 0;
8223 }
8224
8225 arg_signal = signal_from_string(optarg);
8226 if (arg_signal < 0)
8227 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8228 "Failed to parse signal string %s.",
8229 optarg);
8230 break;
8231
8232 case ARG_NO_ASK_PASSWORD:
8233 arg_ask_password = false;
8234 break;
8235
8236 case 'H':
8237 arg_transport = BUS_TRANSPORT_REMOTE;
8238 arg_host = optarg;
8239 break;
8240
8241 case 'M':
8242 arg_transport = BUS_TRANSPORT_MACHINE;
8243 arg_host = optarg;
8244 break;
8245
8246 case ARG_RUNTIME:
8247 arg_runtime = true;
8248 break;
8249
8250 case 'n':
8251 if (safe_atou(optarg, &arg_lines) < 0)
8252 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8253 "Failed to parse lines '%s'",
8254 optarg);
8255 break;
8256
8257 case 'o':
8258 if (streq(optarg, "help")) {
8259 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8260 return 0;
8261 }
8262
8263 arg_output = output_mode_from_string(optarg);
8264 if (arg_output < 0)
8265 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8266 "Unknown output '%s'.",
8267 optarg);
8268 break;
8269
8270 case 'i':
8271 arg_ignore_inhibitors = true;
8272 break;
8273
8274 case ARG_PLAIN:
8275 arg_plain = true;
8276 break;
8277
8278 case ARG_FIRMWARE_SETUP:
8279 arg_firmware_setup = true;
8280 break;
8281
8282 case ARG_BOOT_LOADER_MENU:
8283
8284 r = parse_sec(optarg, &arg_boot_loader_menu);
8285 if (r < 0)
8286 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8287
8288 break;
8289
8290 case ARG_BOOT_LOADER_ENTRY:
8291
8292 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8293 r = help_boot_loader_entry();
8294 if (r < 0)
8295 return r;
8296
8297 return 0;
8298 }
8299
8300 arg_boot_loader_entry = empty_to_null(optarg);
8301 break;
8302
8303 case ARG_STATE: {
8304 const char *p;
8305
8306 if (isempty(optarg))
8307 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8308 "--state= requires arguments.");
8309
8310 for (p = optarg;;) {
8311 _cleanup_free_ char *s = NULL;
8312
8313 r = extract_first_word(&p, &s, ",", 0);
8314 if (r < 0)
8315 return log_error_errno(r, "Failed to parse state: %s", optarg);
8316 if (r == 0)
8317 break;
8318
8319 if (streq(s, "help")) {
8320 help_states();
8321 return 0;
8322 }
8323
8324 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8325 return log_oom();
8326 }
8327 break;
8328 }
8329
8330 case 'r':
8331 if (geteuid() != 0)
8332 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8333 "--recursive requires root privileges.");
8334
8335 arg_recursive = true;
8336 break;
8337
8338 case ARG_PRESET_MODE:
8339 if (streq(optarg, "help")) {
8340 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8341 return 0;
8342 }
8343
8344 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8345 if (arg_preset_mode < 0)
8346 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8347 "Failed to parse preset mode: %s.", optarg);
8348
8349 break;
8350
8351 case ARG_NOW:
8352 arg_now = true;
8353 break;
8354
8355 case ARG_MESSAGE:
8356 if (strv_extend(&arg_wall, optarg) < 0)
8357 return log_oom();
8358 break;
8359
8360 case 'T':
8361 arg_show_transaction = true;
8362 break;
8363
8364 case '.':
8365 /* Output an error mimicking getopt, and print a hint afterwards */
8366 log_error("%s: invalid option -- '.'", program_invocation_name);
8367 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8368 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8369 program_invocation_name, optarg ?: "mount");
8370 _fallthrough_;
8371
8372 case '?':
8373 return -EINVAL;
8374
8375 default:
8376 assert_not_reached("Unhandled option");
8377 }
8378
8379 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8380 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8381 "Cannot access user instance remotely.");
8382
8383 if (arg_wait && arg_no_block)
8384 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8385 "--wait may not be combined with --no-block.");
8386
8387 return 1;
8388 }
8389
8390 static int halt_parse_argv(int argc, char *argv[]) {
8391 enum {
8392 ARG_HELP = 0x100,
8393 ARG_HALT,
8394 ARG_REBOOT,
8395 ARG_NO_WALL
8396 };
8397
8398 static const struct option options[] = {
8399 { "help", no_argument, NULL, ARG_HELP },
8400 { "halt", no_argument, NULL, ARG_HALT },
8401 { "poweroff", no_argument, NULL, 'p' },
8402 { "reboot", no_argument, NULL, ARG_REBOOT },
8403 { "force", no_argument, NULL, 'f' },
8404 { "wtmp-only", no_argument, NULL, 'w' },
8405 { "no-wtmp", no_argument, NULL, 'd' },
8406 { "no-sync", no_argument, NULL, 'n' },
8407 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8408 {}
8409 };
8410
8411 int c, r, runlevel;
8412
8413 assert(argc >= 0);
8414 assert(argv);
8415
8416 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8417 if (IN_SET(runlevel, '0', '6'))
8418 arg_force = 2;
8419
8420 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8421 switch (c) {
8422
8423 case ARG_HELP:
8424 return halt_help();
8425
8426 case ARG_HALT:
8427 arg_action = ACTION_HALT;
8428 break;
8429
8430 case 'p':
8431 if (arg_action != ACTION_REBOOT)
8432 arg_action = ACTION_POWEROFF;
8433 break;
8434
8435 case ARG_REBOOT:
8436 arg_action = ACTION_REBOOT;
8437 break;
8438
8439 case 'f':
8440 arg_force = 2;
8441 break;
8442
8443 case 'w':
8444 arg_dry_run = true;
8445 break;
8446
8447 case 'd':
8448 arg_no_wtmp = true;
8449 break;
8450
8451 case 'n':
8452 arg_no_sync = true;
8453 break;
8454
8455 case ARG_NO_WALL:
8456 arg_no_wall = true;
8457 break;
8458
8459 case 'i':
8460 case 'h':
8461 /* Compatibility nops */
8462 break;
8463
8464 case '?':
8465 return -EINVAL;
8466
8467 default:
8468 assert_not_reached("Unhandled option");
8469 }
8470
8471 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8472 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8473 if (r < 0)
8474 return r;
8475 } else if (optind < argc)
8476 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8477 "Too many arguments.");
8478
8479 return 1;
8480 }
8481
8482 static int shutdown_parse_argv(int argc, char *argv[]) {
8483 enum {
8484 ARG_HELP = 0x100,
8485 ARG_NO_WALL
8486 };
8487
8488 static const struct option options[] = {
8489 { "help", no_argument, NULL, ARG_HELP },
8490 { "halt", no_argument, NULL, 'H' },
8491 { "poweroff", no_argument, NULL, 'P' },
8492 { "reboot", no_argument, NULL, 'r' },
8493 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8494 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8495 {}
8496 };
8497
8498 char **wall = NULL;
8499 int c, r;
8500
8501 assert(argc >= 0);
8502 assert(argv);
8503
8504 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8505 switch (c) {
8506
8507 case ARG_HELP:
8508 return shutdown_help();
8509
8510 case 'H':
8511 arg_action = ACTION_HALT;
8512 break;
8513
8514 case 'P':
8515 arg_action = ACTION_POWEROFF;
8516 break;
8517
8518 case 'r':
8519 if (kexec_loaded())
8520 arg_action = ACTION_KEXEC;
8521 else
8522 arg_action = ACTION_REBOOT;
8523 break;
8524
8525 case 'K':
8526 arg_action = ACTION_KEXEC;
8527 break;
8528
8529 case 'h':
8530 if (arg_action != ACTION_HALT)
8531 arg_action = ACTION_POWEROFF;
8532 break;
8533
8534 case 'k':
8535 arg_dry_run = true;
8536 break;
8537
8538 case ARG_NO_WALL:
8539 arg_no_wall = true;
8540 break;
8541
8542 case 'a':
8543 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8544 case 'f':
8545 case 'F':
8546 /* Compatibility nops */
8547 break;
8548
8549 case 'c':
8550 arg_action = ACTION_CANCEL_SHUTDOWN;
8551 break;
8552
8553 case '?':
8554 return -EINVAL;
8555
8556 default:
8557 assert_not_reached("Unhandled option");
8558 }
8559
8560 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8561 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8562 if (r < 0) {
8563 log_error("Failed to parse time specification: %s", argv[optind]);
8564 return r;
8565 }
8566 } else
8567 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8568
8569 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8570 /* No time argument for shutdown cancel */
8571 wall = argv + optind;
8572 else if (argc > optind + 1)
8573 /* We skip the time argument */
8574 wall = argv + optind + 1;
8575
8576 if (wall) {
8577 arg_wall = strv_copy(wall);
8578 if (!arg_wall)
8579 return log_oom();
8580 }
8581
8582 optind = argc;
8583
8584 return 1;
8585 }
8586
8587 static int telinit_parse_argv(int argc, char *argv[]) {
8588 enum {
8589 ARG_HELP = 0x100,
8590 ARG_NO_WALL
8591 };
8592
8593 static const struct option options[] = {
8594 { "help", no_argument, NULL, ARG_HELP },
8595 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8596 {}
8597 };
8598
8599 static const struct {
8600 char from;
8601 enum action to;
8602 } table[] = {
8603 { '0', ACTION_POWEROFF },
8604 { '6', ACTION_REBOOT },
8605 { '1', ACTION_RESCUE },
8606 { '2', ACTION_RUNLEVEL2 },
8607 { '3', ACTION_RUNLEVEL3 },
8608 { '4', ACTION_RUNLEVEL4 },
8609 { '5', ACTION_RUNLEVEL5 },
8610 { 's', ACTION_RESCUE },
8611 { 'S', ACTION_RESCUE },
8612 { 'q', ACTION_RELOAD },
8613 { 'Q', ACTION_RELOAD },
8614 { 'u', ACTION_REEXEC },
8615 { 'U', ACTION_REEXEC }
8616 };
8617
8618 unsigned i;
8619 int c;
8620
8621 assert(argc >= 0);
8622 assert(argv);
8623
8624 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8625 switch (c) {
8626
8627 case ARG_HELP:
8628 return telinit_help();
8629
8630 case ARG_NO_WALL:
8631 arg_no_wall = true;
8632 break;
8633
8634 case '?':
8635 return -EINVAL;
8636
8637 default:
8638 assert_not_reached("Unhandled option");
8639 }
8640
8641 if (optind >= argc)
8642 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8643 "%s: required argument missing.",
8644 program_invocation_short_name);
8645
8646 if (optind + 1 < argc)
8647 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8648 "Too many arguments.");
8649
8650 if (strlen(argv[optind]) != 1)
8651 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8652 "Expected single character argument.");
8653
8654 for (i = 0; i < ELEMENTSOF(table); i++)
8655 if (table[i].from == argv[optind][0])
8656 break;
8657
8658 if (i >= ELEMENTSOF(table))
8659 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8660 "Unknown command '%s'.", argv[optind]);
8661
8662 arg_action = table[i].to;
8663
8664 optind++;
8665
8666 return 1;
8667 }
8668
8669 static int runlevel_parse_argv(int argc, char *argv[]) {
8670 enum {
8671 ARG_HELP = 0x100,
8672 };
8673
8674 static const struct option options[] = {
8675 { "help", no_argument, NULL, ARG_HELP },
8676 {}
8677 };
8678
8679 int c;
8680
8681 assert(argc >= 0);
8682 assert(argv);
8683
8684 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8685 switch (c) {
8686
8687 case ARG_HELP:
8688 return runlevel_help();
8689
8690 case '?':
8691 return -EINVAL;
8692
8693 default:
8694 assert_not_reached("Unhandled option");
8695 }
8696
8697 if (optind < argc)
8698 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8699 "Too many arguments.");
8700
8701 return 1;
8702 }
8703
8704 static int parse_argv(int argc, char *argv[]) {
8705 assert(argc >= 0);
8706 assert(argv);
8707
8708 if (program_invocation_short_name) {
8709
8710 if (strstr(program_invocation_short_name, "halt")) {
8711 arg_action = ACTION_HALT;
8712 return halt_parse_argv(argc, argv);
8713
8714 } else if (strstr(program_invocation_short_name, "poweroff")) {
8715 arg_action = ACTION_POWEROFF;
8716 return halt_parse_argv(argc, argv);
8717
8718 } else if (strstr(program_invocation_short_name, "reboot")) {
8719 if (kexec_loaded())
8720 arg_action = ACTION_KEXEC;
8721 else
8722 arg_action = ACTION_REBOOT;
8723 return halt_parse_argv(argc, argv);
8724
8725 } else if (strstr(program_invocation_short_name, "shutdown")) {
8726 arg_action = ACTION_POWEROFF;
8727 return shutdown_parse_argv(argc, argv);
8728
8729 } else if (strstr(program_invocation_short_name, "init")) {
8730
8731 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8732 * 1 on SysV.
8733 *
8734 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8735 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8736 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8737 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8738 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8739 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8740 * quick way to match both.
8741 *
8742 * Also see redirect_telinit() in src/core/main.c. */
8743
8744 if (sd_booted() > 0) {
8745 arg_action = _ACTION_INVALID;
8746 return telinit_parse_argv(argc, argv);
8747 } else {
8748 /* Hmm, so some other init system is running, we need to forward this request to
8749 * it. For now we simply guess that it is Upstart. */
8750
8751 (void) rlimit_nofile_safe();
8752 execv(TELINIT, argv);
8753
8754 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8755 "Couldn't find an alternative telinit implementation to spawn.");
8756 }
8757
8758 } else if (strstr(program_invocation_short_name, "runlevel")) {
8759 arg_action = ACTION_RUNLEVEL;
8760 return runlevel_parse_argv(argc, argv);
8761 }
8762 }
8763
8764 arg_action = ACTION_SYSTEMCTL;
8765 return systemctl_parse_argv(argc, argv);
8766 }
8767
8768 #if HAVE_SYSV_COMPAT
8769 _pure_ static int action_to_runlevel(void) {
8770 static const char table[_ACTION_MAX] = {
8771 [ACTION_HALT] = '0',
8772 [ACTION_POWEROFF] = '0',
8773 [ACTION_REBOOT] = '6',
8774 [ACTION_RUNLEVEL2] = '2',
8775 [ACTION_RUNLEVEL3] = '3',
8776 [ACTION_RUNLEVEL4] = '4',
8777 [ACTION_RUNLEVEL5] = '5',
8778 [ACTION_RESCUE] = '1'
8779 };
8780
8781 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8782 return table[arg_action];
8783 }
8784 #endif
8785
8786 static int systemctl_main(int argc, char *argv[]) {
8787 static const Verb verbs[] = {
8788 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8789 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8790 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8791 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8792 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8793 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8794 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8795 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8796 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8797 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8798 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8799 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8800 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8801 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8802 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8803 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8804 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8805 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8806 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8807 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8808 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8809 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8810 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8811 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8812 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8813 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8814 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8815 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8816 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8817 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8818 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8819 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8820 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8821 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8822 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8823 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8824 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8825 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8826 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8827 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8828 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8829 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8830 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8831 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8832 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8833 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8834 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8835 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8836 { "enable", 2, VERB_ANY, 0, enable_unit },
8837 { "disable", 2, VERB_ANY, 0, enable_unit },
8838 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8839 { "reenable", 2, VERB_ANY, 0, enable_unit },
8840 { "preset", 2, VERB_ANY, 0, enable_unit },
8841 { "preset-all", VERB_ANY, 1, 0, preset_all },
8842 { "mask", 2, VERB_ANY, 0, enable_unit },
8843 { "unmask", 2, VERB_ANY, 0, enable_unit },
8844 { "link", 2, VERB_ANY, 0, enable_unit },
8845 { "revert", 2, VERB_ANY, 0, enable_unit },
8846 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8847 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8848 { "set-default", 2, 2, 0, set_default },
8849 { "get-default", VERB_ANY, 1, 0, get_default },
8850 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8851 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8852 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8853 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8854 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8855 {}
8856 };
8857
8858 return dispatch_verb(argc, argv, verbs, NULL);
8859 }
8860
8861 static int reload_with_fallback(void) {
8862 /* First, try systemd via D-Bus. */
8863 if (daemon_reload(0, NULL, NULL) >= 0)
8864 return 0;
8865
8866 /* Nothing else worked, so let's try signals */
8867 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8868
8869 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8870 return log_error_errno(errno, "kill() failed: %m");
8871
8872 return 0;
8873 }
8874
8875 static int start_with_fallback(void) {
8876 /* First, try systemd via D-Bus. */
8877 if (start_unit(0, NULL, NULL) == 0)
8878 return 0;
8879
8880 #if HAVE_SYSV_COMPAT
8881 /* Nothing else worked, so let's try /dev/initctl */
8882 if (talk_initctl(action_to_runlevel()) > 0)
8883 return 0;
8884 #endif
8885
8886 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8887 "Failed to talk to init daemon.");
8888 }
8889
8890 static int halt_now(enum action a) {
8891 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8892 * synced explicitly in advance. */
8893 if (!arg_no_sync && !arg_dry_run)
8894 (void) sync();
8895
8896 /* Make sure C-A-D is handled by the kernel from this point on... */
8897 if (!arg_dry_run)
8898 (void) reboot(RB_ENABLE_CAD);
8899
8900 switch (a) {
8901
8902 case ACTION_HALT:
8903 if (!arg_quiet)
8904 log_info("Halting.");
8905 if (arg_dry_run)
8906 return 0;
8907 (void) reboot(RB_HALT_SYSTEM);
8908 return -errno;
8909
8910 case ACTION_POWEROFF:
8911 if (!arg_quiet)
8912 log_info("Powering off.");
8913 if (arg_dry_run)
8914 return 0;
8915 (void) reboot(RB_POWER_OFF);
8916 return -errno;
8917
8918 case ACTION_KEXEC:
8919 case ACTION_REBOOT:
8920 return reboot_with_parameter(REBOOT_FALLBACK |
8921 (arg_quiet ? 0 : REBOOT_LOG) |
8922 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8923
8924 default:
8925 assert_not_reached("Unknown action.");
8926 }
8927 }
8928
8929 static int logind_schedule_shutdown(void) {
8930
8931 #if ENABLE_LOGIND
8932 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8933 char date[FORMAT_TIMESTAMP_MAX];
8934 const char *action;
8935 sd_bus *bus;
8936 int r;
8937
8938 r = acquire_bus(BUS_FULL, &bus);
8939 if (r < 0)
8940 return r;
8941
8942 switch (arg_action) {
8943 case ACTION_HALT:
8944 action = "halt";
8945 break;
8946 case ACTION_POWEROFF:
8947 action = "poweroff";
8948 break;
8949 case ACTION_KEXEC:
8950 action = "kexec";
8951 break;
8952 case ACTION_EXIT:
8953 action = "exit";
8954 break;
8955 case ACTION_REBOOT:
8956 default:
8957 action = "reboot";
8958 break;
8959 }
8960
8961 if (arg_dry_run)
8962 action = strjoina("dry-", action);
8963
8964 (void) logind_set_wall_message();
8965
8966 r = sd_bus_call_method(
8967 bus,
8968 "org.freedesktop.login1",
8969 "/org/freedesktop/login1",
8970 "org.freedesktop.login1.Manager",
8971 "ScheduleShutdown",
8972 &error,
8973 NULL,
8974 "st",
8975 action,
8976 arg_when);
8977 if (r < 0)
8978 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8979
8980 if (!arg_quiet)
8981 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8982 return 0;
8983 #else
8984 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
8985 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8986 #endif
8987 }
8988
8989 static int halt_main(void) {
8990 int r;
8991
8992 r = logind_check_inhibitors(arg_action);
8993 if (r < 0)
8994 return r;
8995
8996 /* Delayed shutdown requested, and was successful */
8997 if (arg_when > 0 && logind_schedule_shutdown() == 0)
8998 return 0;
8999 /* no delay, or logind failed or is not at all available */
9000
9001 if (geteuid() != 0) {
9002 if (arg_dry_run || arg_force > 0) {
9003 (void) must_be_root();
9004 return -EPERM;
9005 }
9006
9007 /* Try logind if we are a normal user and no special
9008 * mode applies. Maybe polkit allows us to shutdown
9009 * the machine. */
9010 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9011 r = logind_reboot(arg_action);
9012 if (r >= 0)
9013 return r;
9014 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9015 /* requested operation is not
9016 * supported on the local system or
9017 * already in progress */
9018 return r;
9019 /* on all other errors, try low-level operation */
9020 }
9021 }
9022
9023 /* In order to minimize the difference between operation with and
9024 * without logind, we explicitly enable non-blocking mode for this,
9025 * as logind's shutdown operations are always non-blocking. */
9026 arg_no_block = true;
9027
9028 if (!arg_dry_run && !arg_force)
9029 return start_with_fallback();
9030
9031 assert(geteuid() == 0);
9032
9033 if (!arg_no_wtmp) {
9034 if (sd_booted() > 0)
9035 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9036 else {
9037 r = utmp_put_shutdown();
9038 if (r < 0)
9039 log_warning_errno(r, "Failed to write utmp record: %m");
9040 }
9041 }
9042
9043 if (arg_dry_run)
9044 return 0;
9045
9046 r = halt_now(arg_action);
9047 return log_error_errno(r, "Failed to reboot: %m");
9048 }
9049
9050 static int runlevel_main(void) {
9051 int r, runlevel, previous;
9052
9053 r = utmp_get_runlevel(&runlevel, &previous);
9054 if (r < 0) {
9055 puts("unknown");
9056 return r;
9057 }
9058
9059 printf("%c %c\n",
9060 previous <= 0 ? 'N' : previous,
9061 runlevel <= 0 ? 'N' : runlevel);
9062
9063 return 0;
9064 }
9065
9066 static int logind_cancel_shutdown(void) {
9067 #if ENABLE_LOGIND
9068 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9069 sd_bus *bus;
9070 int r;
9071
9072 r = acquire_bus(BUS_FULL, &bus);
9073 if (r < 0)
9074 return r;
9075
9076 (void) logind_set_wall_message();
9077
9078 r = sd_bus_call_method(
9079 bus,
9080 "org.freedesktop.login1",
9081 "/org/freedesktop/login1",
9082 "org.freedesktop.login1.Manager",
9083 "CancelScheduledShutdown",
9084 &error,
9085 NULL, NULL);
9086 if (r < 0)
9087 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9088
9089 return 0;
9090 #else
9091 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9092 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9093 #endif
9094 }
9095
9096 static int run(int argc, char *argv[]) {
9097 int r;
9098
9099 setlocale(LC_ALL, "");
9100 log_parse_environment();
9101 log_open();
9102
9103 /* The journal merging logic potentially needs a lot of fds. */
9104 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9105
9106 sigbus_install();
9107
9108 /* Explicitly not on_tty() to avoid setting cached value.
9109 * This becomes relevant for piping output which might be
9110 * ellipsized. */
9111 original_stdout_is_tty = isatty(STDOUT_FILENO);
9112
9113 r = parse_argv(argc, argv);
9114 if (r <= 0)
9115 goto finish;
9116
9117 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9118 if (!arg_quiet)
9119 log_info("Running in chroot, ignoring request.");
9120 r = 0;
9121 goto finish;
9122 }
9123
9124 /* systemctl_main() will print an error message for the bus
9125 * connection, but only if it needs to */
9126
9127 switch (arg_action) {
9128
9129 case ACTION_SYSTEMCTL:
9130 r = systemctl_main(argc, argv);
9131 break;
9132
9133 /* Legacy command aliases set arg_action. They provide some fallbacks,
9134 * e.g. to tell sysvinit to reboot after you have installed systemd
9135 * binaries. */
9136
9137 case ACTION_HALT:
9138 case ACTION_POWEROFF:
9139 case ACTION_REBOOT:
9140 case ACTION_KEXEC:
9141 r = halt_main();
9142 break;
9143
9144 case ACTION_RUNLEVEL2:
9145 case ACTION_RUNLEVEL3:
9146 case ACTION_RUNLEVEL4:
9147 case ACTION_RUNLEVEL5:
9148 case ACTION_RESCUE:
9149 r = start_with_fallback();
9150 break;
9151
9152 case ACTION_RELOAD:
9153 case ACTION_REEXEC:
9154 r = reload_with_fallback();
9155 break;
9156
9157 case ACTION_CANCEL_SHUTDOWN:
9158 r = logind_cancel_shutdown();
9159 break;
9160
9161 case ACTION_RUNLEVEL:
9162 r = runlevel_main();
9163 break;
9164
9165 case ACTION_EXIT:
9166 case ACTION_SUSPEND:
9167 case ACTION_HIBERNATE:
9168 case ACTION_HYBRID_SLEEP:
9169 case ACTION_SUSPEND_THEN_HIBERNATE:
9170 case ACTION_EMERGENCY:
9171 case ACTION_DEFAULT:
9172 /* systemctl verbs with no equivalent in the legacy commands.
9173 * These cannot appear in arg_action. Fall through. */
9174
9175 case _ACTION_INVALID:
9176 default:
9177 assert_not_reached("Unknown action");
9178 }
9179
9180 finish:
9181 release_busses();
9182
9183 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9184 return r;
9185 }
9186
9187 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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