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tree-wide: invoke rlimit_nofile_safe() before various exec{v,ve,l}() invocations
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 /***
3 Copyright © 2013 Marc-Antoine Perennou
4 ***/
5
6 #include <errno.h>
7 #include <fcntl.h>
8 #include <getopt.h>
9 #include <locale.h>
10 #include <stdbool.h>
11 #include <stddef.h>
12 #include <stdio.h>
13 #include <string.h>
14 #include <sys/prctl.h>
15 #include <sys/reboot.h>
16 #include <sys/socket.h>
17 #include <unistd.h>
18
19 #include "sd-bus.h"
20 #include "sd-daemon.h"
21 #include "sd-event.h"
22 #include "sd-login.h"
23
24 #include "alloc-util.h"
25 #include "bootspec.h"
26 #include "bus-common-errors.h"
27 #include "bus-error.h"
28 #include "bus-message.h"
29 #include "bus-unit-util.h"
30 #include "bus-util.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 "fileio.h"
41 #include "format-util.h"
42 #include "fs-util.h"
43 #include "glob-util.h"
44 #include "hexdecoct.h"
45 #include "hostname-util.h"
46 #include "initreq.h"
47 #include "install.h"
48 #include "io-util.h"
49 #include "list.h"
50 #include "locale-util.h"
51 #include "log.h"
52 #include "logs-show.h"
53 #include "macro.h"
54 #include "main-func.h"
55 #include "mkdir.h"
56 #include "pager.h"
57 #include "parse-util.h"
58 #include "path-lookup.h"
59 #include "path-util.h"
60 #include "pretty-print.h"
61 #include "proc-cmdline.h"
62 #include "process-util.h"
63 #include "reboot-util.h"
64 #include "rlimit-util.h"
65 #include "set.h"
66 #include "sigbus.h"
67 #include "signal-util.h"
68 #include "socket-util.h"
69 #include "spawn-ask-password-agent.h"
70 #include "spawn-polkit-agent.h"
71 #include "special.h"
72 #include "stat-util.h"
73 #include "string-table.h"
74 #include "strv.h"
75 #include "terminal-util.h"
76 #include "unit-def.h"
77 #include "unit-name.h"
78 #include "user-util.h"
79 #include "util.h"
80 #include "utmp-wtmp.h"
81 #include "verbs.h"
82 #include "virt.h"
83
84 /* The init script exit status codes
85 0 program is running or service is OK
86 1 program is dead and /var/run pid file exists
87 2 program is dead and /var/lock lock file exists
88 3 program is not running
89 4 program or service status is unknown
90 5-99 reserved for future LSB use
91 100-149 reserved for distribution use
92 150-199 reserved for application use
93 200-254 reserved
94 */
95 enum {
96 EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0,
97 EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1,
98 EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2,
99 EXIT_PROGRAM_NOT_RUNNING = 3,
100 EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4,
101 };
102
103 static char **arg_types = NULL;
104 static char **arg_states = NULL;
105 static char **arg_properties = NULL;
106 static bool arg_all = false;
107 static enum dependency {
108 DEPENDENCY_FORWARD,
109 DEPENDENCY_REVERSE,
110 DEPENDENCY_AFTER,
111 DEPENDENCY_BEFORE,
112 _DEPENDENCY_MAX
113 } arg_dependency = DEPENDENCY_FORWARD;
114 static const char *arg_job_mode = "replace";
115 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
116 static bool arg_wait = false;
117 static bool arg_no_block = false;
118 static bool arg_no_legend = false;
119 static PagerFlags arg_pager_flags = 0;
120 static bool arg_no_wtmp = false;
121 static bool arg_no_sync = false;
122 static bool arg_no_wall = false;
123 static bool arg_no_reload = false;
124 static bool arg_value = false;
125 static bool arg_show_types = false;
126 static bool arg_ignore_inhibitors = false;
127 static bool arg_dry_run = false;
128 static bool arg_quiet = false;
129 static bool arg_full = false;
130 static bool arg_recursive = false;
131 static int arg_force = 0;
132 static bool arg_ask_password = false;
133 static bool arg_runtime = false;
134 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
135 static char **arg_wall = NULL;
136 static const char *arg_kill_who = NULL;
137 static int arg_signal = SIGTERM;
138 static char *arg_root = NULL;
139 static usec_t arg_when = 0;
140 static char *arg_esp_path = NULL;
141 static char *argv_cmdline = NULL;
142 static enum action {
143 ACTION_SYSTEMCTL,
144 ACTION_HALT,
145 ACTION_POWEROFF,
146 ACTION_REBOOT,
147 ACTION_KEXEC,
148 ACTION_EXIT,
149 ACTION_SUSPEND,
150 ACTION_HIBERNATE,
151 ACTION_HYBRID_SLEEP,
152 ACTION_SUSPEND_THEN_HIBERNATE,
153 ACTION_RUNLEVEL2,
154 ACTION_RUNLEVEL3,
155 ACTION_RUNLEVEL4,
156 ACTION_RUNLEVEL5,
157 ACTION_RESCUE,
158 ACTION_EMERGENCY,
159 ACTION_DEFAULT,
160 ACTION_RELOAD,
161 ACTION_REEXEC,
162 ACTION_RUNLEVEL,
163 ACTION_CANCEL_SHUTDOWN,
164 _ACTION_MAX,
165 _ACTION_INVALID = -1
166 } arg_action = ACTION_SYSTEMCTL;
167 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
168 static const char *arg_host = NULL;
169 static unsigned arg_lines = 10;
170 static OutputMode arg_output = OUTPUT_SHORT;
171 static bool arg_plain = false;
172 static bool arg_firmware_setup = false;
173 static bool arg_now = false;
174 static bool arg_jobs_before = false;
175 static bool arg_jobs_after = false;
176
177 static int daemon_reload(int argc, char *argv[], void* userdata);
178 static int trivial_method(int argc, char *argv[], void *userdata);
179 static int halt_now(enum action a);
180 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
181
182 static bool original_stdout_is_tty;
183
184 typedef enum BusFocus {
185 BUS_FULL, /* The full bus indicated via --system or --user */
186 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
187 _BUS_FOCUS_MAX
188 } BusFocus;
189
190 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
191
192 static UnitFileFlags args_to_flags(void) {
193 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
194 (arg_force ? UNIT_FILE_FORCE : 0);
195 }
196
197 static int acquire_bus(BusFocus focus, sd_bus **ret) {
198 int r;
199
200 assert(focus < _BUS_FOCUS_MAX);
201 assert(ret);
202
203 /* We only go directly to the manager, if we are using a local transport */
204 if (arg_transport != BUS_TRANSPORT_LOCAL)
205 focus = BUS_FULL;
206
207 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
208 focus = BUS_FULL;
209
210 if (!busses[focus]) {
211 bool user;
212
213 user = arg_scope != UNIT_FILE_SYSTEM;
214
215 if (focus == BUS_MANAGER)
216 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
217 else
218 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
219 if (r < 0)
220 return log_error_errno(r, "Failed to connect to bus: %m");
221
222 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
223 }
224
225 *ret = busses[focus];
226 return 0;
227 }
228
229 static void release_busses(void) {
230 BusFocus w;
231
232 for (w = 0; w < _BUS_FOCUS_MAX; w++)
233 busses[w] = sd_bus_flush_close_unref(busses[w]);
234 }
235
236 static void ask_password_agent_open_if_enabled(void) {
237 /* Open the password agent as a child process if necessary */
238
239 if (arg_dry_run)
240 return;
241
242 if (!arg_ask_password)
243 return;
244
245 if (arg_scope != UNIT_FILE_SYSTEM)
246 return;
247
248 if (arg_transport != BUS_TRANSPORT_LOCAL)
249 return;
250
251 ask_password_agent_open();
252 }
253
254 static void polkit_agent_open_maybe(void) {
255 /* Open the polkit agent as a child process if necessary */
256
257 if (arg_scope != UNIT_FILE_SYSTEM)
258 return;
259
260 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
261 }
262
263 static OutputFlags get_output_flags(void) {
264 return
265 arg_all * OUTPUT_SHOW_ALL |
266 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
267 colors_enabled() * OUTPUT_COLOR |
268 !arg_quiet * OUTPUT_WARN_CUTOFF;
269 }
270
271 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
272 assert(error);
273
274 if (!sd_bus_error_is_set(error))
275 return r;
276
277 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
278 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
279 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
280 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
281 return EXIT_NOPERMISSION;
282
283 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
284 return EXIT_NOTINSTALLED;
285
286 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
287 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
288 return EXIT_NOTIMPLEMENTED;
289
290 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
291 return EXIT_NOTCONFIGURED;
292
293 if (r != 0)
294 return r;
295
296 return EXIT_FAILURE;
297 }
298
299 static bool install_client_side(void) {
300 /* Decides when to execute enable/disable/... operations
301 * client-side rather than server-side. */
302
303 if (running_in_chroot_or_offline())
304 return true;
305
306 if (sd_booted() <= 0)
307 return true;
308
309 if (!isempty(arg_root))
310 return true;
311
312 if (arg_scope == UNIT_FILE_GLOBAL)
313 return true;
314
315 /* Unsupported environment variable, mostly for debugging purposes */
316 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
317 return true;
318
319 return false;
320 }
321
322 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
323 const char *d1, *d2;
324 int r;
325
326 /* First, order by machine */
327 if (!a->machine && b->machine)
328 return -1;
329 if (a->machine && !b->machine)
330 return 1;
331 if (a->machine && b->machine) {
332 r = strcasecmp(a->machine, b->machine);
333 if (r != 0)
334 return r;
335 }
336
337 /* Second, order by unit type */
338 d1 = strrchr(a->id, '.');
339 d2 = strrchr(b->id, '.');
340 if (d1 && d2) {
341 r = strcasecmp(d1, d2);
342 if (r != 0)
343 return r;
344 }
345
346 /* Third, order by name */
347 return strcasecmp(a->id, b->id);
348 }
349
350 static const char* unit_type_suffix(const char *name) {
351 const char *dot;
352
353 dot = strrchr(name, '.');
354 if (!dot)
355 return "";
356
357 return dot + 1;
358 }
359
360 static bool output_show_unit(const UnitInfo *u, char **patterns) {
361 assert(u);
362
363 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
364 return false;
365
366 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
367 return false;
368
369 if (arg_all)
370 return true;
371
372 /* Note that '--all' is not purely a state filter, but also a
373 * filter that hides units that "follow" other units (which is
374 * used for device units that appear under different names). */
375 if (!isempty(u->following))
376 return false;
377
378 if (!strv_isempty(arg_states))
379 return true;
380
381 /* By default show all units except the ones in inactive
382 * state and with no pending job */
383 if (u->job_id > 0)
384 return true;
385
386 if (streq(u->active_state, "inactive"))
387 return false;
388
389 return true;
390 }
391
392 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
393 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
394 const UnitInfo *u;
395 unsigned n_shown = 0;
396 int job_count = 0;
397 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
398
399 max_id_len = STRLEN("UNIT");
400 load_len = STRLEN("LOAD");
401 active_len = STRLEN("ACTIVE");
402 sub_len = STRLEN("SUB");
403 job_len = STRLEN("JOB");
404 max_desc_len = STRLEN("DESCRIPTION");
405
406 for (u = unit_infos; u < unit_infos + c; u++) {
407 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
408 load_len = MAX(load_len, strlen(u->load_state));
409 active_len = MAX(active_len, strlen(u->active_state));
410 sub_len = MAX(sub_len, strlen(u->sub_state));
411 max_desc_len = MAX(max_desc_len, strlen(u->description));
412
413 if (u->job_id != 0) {
414 job_len = MAX(job_len, strlen(u->job_type));
415 job_count++;
416 }
417
418 if (!arg_no_legend &&
419 (streq(u->active_state, "failed") ||
420 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
421 circle_len = 2;
422 }
423
424 if (!arg_full && original_stdout_is_tty) {
425 unsigned basic_len;
426
427 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
428 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
429
430 if (job_count)
431 basic_len += job_len + 1;
432
433 if (basic_len < (unsigned) columns()) {
434 unsigned extra_len, incr;
435 extra_len = columns() - basic_len;
436
437 /* Either UNIT already got 25, or is fully satisfied.
438 * Grant up to 25 to DESC now. */
439 incr = MIN(extra_len, 25u);
440 desc_len = incr;
441 extra_len -= incr;
442
443 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
444 * description but not more than it needs. */
445 if (extra_len > 0) {
446 incr = MIN(max_id_len - id_len, extra_len);
447 id_len += incr;
448 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
449 }
450 } else
451 desc_len = 0;
452 } else {
453 id_len = max_id_len;
454 desc_len = max_desc_len;
455 }
456
457 for (u = unit_infos; u < unit_infos + c; u++) {
458 _cleanup_free_ char *e = NULL, *j = NULL;
459 const char *on_underline = "", *off_underline = "";
460 const char *on_loaded = "", *off_loaded = "";
461 const char *on_active = "", *off_active = "";
462 const char *on_circle = "", *off_circle = "";
463 const char *id;
464 bool circle = false, underline = false;
465
466 if (!n_shown && !arg_no_legend) {
467
468 if (circle_len > 0)
469 fputs(" ", stdout);
470
471 printf("%s%-*s %-*s %-*s %-*s ",
472 ansi_underline(),
473 id_len, "UNIT",
474 load_len, "LOAD",
475 active_len, "ACTIVE",
476 sub_len, "SUB");
477
478 if (job_count)
479 printf("%-*s ", job_len, "JOB");
480
481 printf("%-*.*s%s\n",
482 desc_len,
483 full ? -1 : (int) desc_len,
484 "DESCRIPTION",
485 ansi_normal());
486 }
487
488 n_shown++;
489
490 if (u + 1 < unit_infos + c &&
491 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
492 on_underline = ansi_underline();
493 off_underline = ansi_normal();
494 underline = true;
495 }
496
497 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
498 on_circle = ansi_highlight_yellow();
499 off_circle = ansi_normal();
500 circle = true;
501 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
502 off_loaded = underline ? on_underline : ansi_normal();
503 } else if (streq(u->active_state, "failed") && !arg_plain) {
504 on_circle = ansi_highlight_red();
505 off_circle = ansi_normal();
506 circle = true;
507 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
508 off_active = underline ? on_underline : ansi_normal();
509 }
510
511 if (u->machine) {
512 j = strjoin(u->machine, ":", u->id);
513 if (!j)
514 return log_oom();
515
516 id = j;
517 } else
518 id = u->id;
519
520 if (arg_full) {
521 e = ellipsize(id, id_len, 33);
522 if (!e)
523 return log_oom();
524
525 id = e;
526 }
527
528 if (circle_len > 0)
529 printf("%s%s%s ", on_circle, circle ? special_glyph(BLACK_CIRCLE) : " ", off_circle);
530
531 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
532 on_underline,
533 on_active, id_len, id, off_active,
534 on_loaded, load_len, u->load_state, off_loaded,
535 on_active, active_len, u->active_state,
536 sub_len, u->sub_state, off_active,
537 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
538
539 printf("%-*.*s%s\n",
540 desc_len,
541 full ? -1 : (int) desc_len,
542 u->description,
543 off_underline);
544 }
545
546 if (!arg_no_legend) {
547 const char *on, *off;
548
549 if (n_shown) {
550 puts("\n"
551 "LOAD = Reflects whether the unit definition was properly loaded.\n"
552 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
553 "SUB = The low-level unit activation state, values depend on unit type.");
554 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
555 on = ansi_highlight();
556 off = ansi_normal();
557 } else {
558 on = ansi_highlight_red();
559 off = ansi_normal();
560 }
561
562 if (arg_all)
563 printf("%s%u loaded units listed.%s\n"
564 "To show all installed unit files use 'systemctl list-unit-files'.\n",
565 on, n_shown, off);
566 else
567 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
568 "To show all installed unit files use 'systemctl list-unit-files'.\n",
569 on, n_shown, off);
570 }
571
572 return 0;
573 }
574
575 static int get_unit_list(
576 sd_bus *bus,
577 const char *machine,
578 char **patterns,
579 UnitInfo **unit_infos,
580 int c,
581 sd_bus_message **_reply) {
582
583 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
584 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
585 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
586 size_t size = c;
587 int r;
588 UnitInfo u;
589 bool fallback = false;
590
591 assert(bus);
592 assert(unit_infos);
593 assert(_reply);
594
595 r = sd_bus_message_new_method_call(
596 bus,
597 &m,
598 "org.freedesktop.systemd1",
599 "/org/freedesktop/systemd1",
600 "org.freedesktop.systemd1.Manager",
601 "ListUnitsByPatterns");
602 if (r < 0)
603 return bus_log_create_error(r);
604
605 r = sd_bus_message_append_strv(m, arg_states);
606 if (r < 0)
607 return bus_log_create_error(r);
608
609 r = sd_bus_message_append_strv(m, patterns);
610 if (r < 0)
611 return bus_log_create_error(r);
612
613 r = sd_bus_call(bus, m, 0, &error, &reply);
614 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
615 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
616 /* Fallback to legacy ListUnitsFiltered method */
617 fallback = true;
618 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
619 m = sd_bus_message_unref(m);
620 sd_bus_error_free(&error);
621
622 r = sd_bus_message_new_method_call(
623 bus,
624 &m,
625 "org.freedesktop.systemd1",
626 "/org/freedesktop/systemd1",
627 "org.freedesktop.systemd1.Manager",
628 "ListUnitsFiltered");
629 if (r < 0)
630 return bus_log_create_error(r);
631
632 r = sd_bus_message_append_strv(m, arg_states);
633 if (r < 0)
634 return bus_log_create_error(r);
635
636 r = sd_bus_call(bus, m, 0, &error, &reply);
637 }
638 if (r < 0)
639 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
640
641 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
642 if (r < 0)
643 return bus_log_parse_error(r);
644
645 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
646 u.machine = machine;
647
648 if (!output_show_unit(&u, fallback ? patterns : NULL))
649 continue;
650
651 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
652 return log_oom();
653
654 (*unit_infos)[c++] = u;
655 }
656 if (r < 0)
657 return bus_log_parse_error(r);
658
659 r = sd_bus_message_exit_container(reply);
660 if (r < 0)
661 return bus_log_parse_error(r);
662
663 *_reply = TAKE_PTR(reply);
664
665 return c;
666 }
667
668 static void message_set_freep(Set **set) {
669 set_free_with_destructor(*set, sd_bus_message_unref);
670 }
671
672 static int get_unit_list_recursive(
673 sd_bus *bus,
674 char **patterns,
675 UnitInfo **_unit_infos,
676 Set **_replies,
677 char ***_machines) {
678
679 _cleanup_free_ UnitInfo *unit_infos = NULL;
680 _cleanup_(message_set_freep) Set *replies;
681 sd_bus_message *reply;
682 int c, r;
683
684 assert(bus);
685 assert(_replies);
686 assert(_unit_infos);
687 assert(_machines);
688
689 replies = set_new(NULL);
690 if (!replies)
691 return log_oom();
692
693 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
694 if (c < 0)
695 return c;
696
697 r = set_put(replies, reply);
698 if (r < 0) {
699 sd_bus_message_unref(reply);
700 return log_oom();
701 }
702
703 if (arg_recursive) {
704 _cleanup_strv_free_ char **machines = NULL;
705 char **i;
706
707 r = sd_get_machine_names(&machines);
708 if (r < 0)
709 return log_error_errno(r, "Failed to get machine names: %m");
710
711 STRV_FOREACH(i, machines) {
712 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
713 int k;
714
715 r = sd_bus_open_system_machine(&container, *i);
716 if (r < 0) {
717 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
718 continue;
719 }
720
721 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
722 if (k < 0)
723 return k;
724
725 c = k;
726
727 r = set_put(replies, reply);
728 if (r < 0) {
729 sd_bus_message_unref(reply);
730 return log_oom();
731 }
732 }
733
734 *_machines = TAKE_PTR(machines);
735 } else
736 *_machines = NULL;
737
738 *_unit_infos = TAKE_PTR(unit_infos);
739
740 *_replies = TAKE_PTR(replies);
741
742 return c;
743 }
744
745 static int list_units(int argc, char *argv[], void *userdata) {
746 _cleanup_free_ UnitInfo *unit_infos = NULL;
747 _cleanup_(message_set_freep) Set *replies = NULL;
748 _cleanup_strv_free_ char **machines = NULL;
749 sd_bus *bus;
750 int r;
751
752 r = acquire_bus(BUS_MANAGER, &bus);
753 if (r < 0)
754 return r;
755
756 (void) pager_open(arg_pager_flags);
757
758 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
759 if (r < 0)
760 return r;
761
762 typesafe_qsort(unit_infos, r, compare_unit_info);
763 return output_units_list(unit_infos, r);
764 }
765
766 static int get_triggered_units(
767 sd_bus *bus,
768 const char* path,
769 char*** ret) {
770
771 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
772 int r;
773
774 assert(bus);
775 assert(path);
776 assert(ret);
777
778 r = sd_bus_get_property_strv(
779 bus,
780 "org.freedesktop.systemd1",
781 path,
782 "org.freedesktop.systemd1.Unit",
783 "Triggers",
784 &error,
785 ret);
786 if (r < 0)
787 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
788
789 return 0;
790 }
791
792 static int get_listening(
793 sd_bus *bus,
794 const char* unit_path,
795 char*** listening) {
796
797 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
798 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
799 const char *type, *path;
800 int r, n = 0;
801
802 r = sd_bus_get_property(
803 bus,
804 "org.freedesktop.systemd1",
805 unit_path,
806 "org.freedesktop.systemd1.Socket",
807 "Listen",
808 &error,
809 &reply,
810 "a(ss)");
811 if (r < 0)
812 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
813
814 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
815 if (r < 0)
816 return bus_log_parse_error(r);
817
818 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
819
820 r = strv_extend(listening, type);
821 if (r < 0)
822 return log_oom();
823
824 r = strv_extend(listening, path);
825 if (r < 0)
826 return log_oom();
827
828 n++;
829 }
830 if (r < 0)
831 return bus_log_parse_error(r);
832
833 r = sd_bus_message_exit_container(reply);
834 if (r < 0)
835 return bus_log_parse_error(r);
836
837 return n;
838 }
839
840 struct socket_info {
841 const char *machine;
842 const char* id;
843
844 char* type;
845 char* path;
846
847 /* Note: triggered is a list here, although it almost certainly
848 * will always be one unit. Nevertheless, dbus API allows for multiple
849 * values, so let's follow that. */
850 char** triggered;
851
852 /* The strv above is shared. free is set only in the first one. */
853 bool own_triggered;
854 };
855
856 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
857 int r;
858
859 assert(a);
860 assert(b);
861
862 if (!a->machine && b->machine)
863 return -1;
864 if (a->machine && !b->machine)
865 return 1;
866 if (a->machine && b->machine) {
867 r = strcasecmp(a->machine, b->machine);
868 if (r != 0)
869 return r;
870 }
871
872 r = strcmp(a->path, b->path);
873 if (r == 0)
874 r = strcmp(a->type, b->type);
875
876 return r;
877 }
878
879 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
880 struct socket_info *s;
881 unsigned pathlen = STRLEN("LISTEN"),
882 typelen = STRLEN("TYPE") * arg_show_types,
883 socklen = STRLEN("UNIT"),
884 servlen = STRLEN("ACTIVATES");
885 const char *on, *off;
886
887 for (s = socket_infos; s < socket_infos + cs; s++) {
888 unsigned tmp = 0;
889 char **a;
890
891 socklen = MAX(socklen, strlen(s->id));
892 if (arg_show_types)
893 typelen = MAX(typelen, strlen(s->type));
894 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
895
896 STRV_FOREACH(a, s->triggered)
897 tmp += strlen(*a) + 2*(a != s->triggered);
898 servlen = MAX(servlen, tmp);
899 }
900
901 if (cs) {
902 if (!arg_no_legend)
903 printf("%-*s %-*.*s%-*s %s\n",
904 pathlen, "LISTEN",
905 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
906 socklen, "UNIT",
907 "ACTIVATES");
908
909 for (s = socket_infos; s < socket_infos + cs; s++) {
910 _cleanup_free_ char *j = NULL;
911 const char *path;
912 char **a;
913
914 if (s->machine) {
915 j = strjoin(s->machine, ":", s->path);
916 if (!j)
917 return log_oom();
918 path = j;
919 } else
920 path = s->path;
921
922 if (arg_show_types)
923 printf("%-*s %-*s %-*s",
924 pathlen, path, typelen, s->type, socklen, s->id);
925 else
926 printf("%-*s %-*s",
927 pathlen, path, socklen, s->id);
928 STRV_FOREACH(a, s->triggered)
929 printf("%s %s",
930 a == s->triggered ? "" : ",", *a);
931 printf("\n");
932 }
933
934 on = ansi_highlight();
935 off = ansi_normal();
936 if (!arg_no_legend)
937 printf("\n");
938 } else {
939 on = ansi_highlight_red();
940 off = ansi_normal();
941 }
942
943 if (!arg_no_legend) {
944 printf("%s%u sockets listed.%s\n", on, cs, off);
945 if (!arg_all)
946 printf("Pass --all to see loaded but inactive sockets, too.\n");
947 }
948
949 return 0;
950 }
951
952 static int list_sockets(int argc, char *argv[], void *userdata) {
953 _cleanup_(message_set_freep) Set *replies = NULL;
954 _cleanup_strv_free_ char **machines = NULL;
955 _cleanup_free_ UnitInfo *unit_infos = NULL;
956 _cleanup_free_ struct socket_info *socket_infos = NULL;
957 const UnitInfo *u;
958 struct socket_info *s;
959 unsigned cs = 0;
960 size_t size = 0;
961 int r = 0, n;
962 sd_bus *bus;
963
964 r = acquire_bus(BUS_MANAGER, &bus);
965 if (r < 0)
966 return r;
967
968 (void) pager_open(arg_pager_flags);
969
970 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
971 if (n < 0)
972 return n;
973
974 for (u = unit_infos; u < unit_infos + n; u++) {
975 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
976 int i, c;
977
978 if (!endswith(u->id, ".socket"))
979 continue;
980
981 r = get_triggered_units(bus, u->unit_path, &triggered);
982 if (r < 0)
983 goto cleanup;
984
985 c = get_listening(bus, u->unit_path, &listening);
986 if (c < 0) {
987 r = c;
988 goto cleanup;
989 }
990
991 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
992 r = log_oom();
993 goto cleanup;
994 }
995
996 for (i = 0; i < c; i++)
997 socket_infos[cs + i] = (struct socket_info) {
998 .machine = u->machine,
999 .id = u->id,
1000 .type = listening[i*2],
1001 .path = listening[i*2 + 1],
1002 .triggered = triggered,
1003 .own_triggered = i==0,
1004 };
1005
1006 /* from this point on we will cleanup those socket_infos */
1007 cs += c;
1008 free(listening);
1009 listening = triggered = NULL; /* avoid cleanup */
1010 }
1011
1012 typesafe_qsort(socket_infos, cs, socket_info_compare);
1013
1014 output_sockets_list(socket_infos, cs);
1015
1016 cleanup:
1017 assert(cs == 0 || socket_infos);
1018 for (s = socket_infos; s < socket_infos + cs; s++) {
1019 free(s->type);
1020 free(s->path);
1021 if (s->own_triggered)
1022 strv_free(s->triggered);
1023 }
1024
1025 return r;
1026 }
1027
1028 static int get_next_elapse(
1029 sd_bus *bus,
1030 const char *path,
1031 dual_timestamp *next) {
1032
1033 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1034 dual_timestamp t;
1035 int r;
1036
1037 assert(bus);
1038 assert(path);
1039 assert(next);
1040
1041 r = sd_bus_get_property_trivial(
1042 bus,
1043 "org.freedesktop.systemd1",
1044 path,
1045 "org.freedesktop.systemd1.Timer",
1046 "NextElapseUSecMonotonic",
1047 &error,
1048 't',
1049 &t.monotonic);
1050 if (r < 0)
1051 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1052
1053 r = sd_bus_get_property_trivial(
1054 bus,
1055 "org.freedesktop.systemd1",
1056 path,
1057 "org.freedesktop.systemd1.Timer",
1058 "NextElapseUSecRealtime",
1059 &error,
1060 't',
1061 &t.realtime);
1062 if (r < 0)
1063 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1064
1065 *next = t;
1066 return 0;
1067 }
1068
1069 static int get_last_trigger(
1070 sd_bus *bus,
1071 const char *path,
1072 usec_t *last) {
1073
1074 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1075 int r;
1076
1077 assert(bus);
1078 assert(path);
1079 assert(last);
1080
1081 r = sd_bus_get_property_trivial(
1082 bus,
1083 "org.freedesktop.systemd1",
1084 path,
1085 "org.freedesktop.systemd1.Timer",
1086 "LastTriggerUSec",
1087 &error,
1088 't',
1089 last);
1090 if (r < 0)
1091 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1092
1093 return 0;
1094 }
1095
1096 struct timer_info {
1097 const char* machine;
1098 const char* id;
1099 usec_t next_elapse;
1100 usec_t last_trigger;
1101 char** triggered;
1102 };
1103
1104 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1105 int r;
1106
1107 assert(a);
1108 assert(b);
1109
1110 if (!a->machine && b->machine)
1111 return -1;
1112 if (a->machine && !b->machine)
1113 return 1;
1114 if (a->machine && b->machine) {
1115 r = strcasecmp(a->machine, b->machine);
1116 if (r != 0)
1117 return r;
1118 }
1119
1120 r = CMP(a->next_elapse, b->next_elapse);
1121 if (r != 0)
1122 return r;
1123
1124 return strcmp(a->id, b->id);
1125 }
1126
1127 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1128 struct timer_info *t;
1129 unsigned
1130 nextlen = STRLEN("NEXT"),
1131 leftlen = STRLEN("LEFT"),
1132 lastlen = STRLEN("LAST"),
1133 passedlen = STRLEN("PASSED"),
1134 unitlen = STRLEN("UNIT"),
1135 activatelen = STRLEN("ACTIVATES");
1136
1137 const char *on, *off;
1138
1139 assert(timer_infos || n == 0);
1140
1141 for (t = timer_infos; t < timer_infos + n; t++) {
1142 unsigned ul = 0;
1143 char **a;
1144
1145 if (t->next_elapse > 0) {
1146 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1147
1148 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1149 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1150
1151 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1152 leftlen = MAX(leftlen, strlen(trel));
1153 }
1154
1155 if (t->last_trigger > 0) {
1156 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1157
1158 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1159 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1160
1161 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1162 passedlen = MAX(passedlen, strlen(trel));
1163 }
1164
1165 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1166
1167 STRV_FOREACH(a, t->triggered)
1168 ul += strlen(*a) + 2*(a != t->triggered);
1169
1170 activatelen = MAX(activatelen, ul);
1171 }
1172
1173 if (n > 0) {
1174 if (!arg_no_legend)
1175 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1176 nextlen, "NEXT",
1177 leftlen, "LEFT",
1178 lastlen, "LAST",
1179 passedlen, "PASSED",
1180 unitlen, "UNIT",
1181 "ACTIVATES");
1182
1183 for (t = timer_infos; t < timer_infos + n; t++) {
1184 _cleanup_free_ char *j = NULL;
1185 const char *unit;
1186 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1187 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1188 char **a;
1189
1190 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1191 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1192
1193 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1194 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1195
1196 if (t->machine) {
1197 j = strjoin(t->machine, ":", t->id);
1198 if (!j)
1199 return log_oom();
1200 unit = j;
1201 } else
1202 unit = t->id;
1203
1204 printf("%-*s %-*s %-*s %-*s %-*s",
1205 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1206
1207 STRV_FOREACH(a, t->triggered)
1208 printf("%s %s",
1209 a == t->triggered ? "" : ",", *a);
1210 printf("\n");
1211 }
1212
1213 on = ansi_highlight();
1214 off = ansi_normal();
1215 if (!arg_no_legend)
1216 printf("\n");
1217 } else {
1218 on = ansi_highlight_red();
1219 off = ansi_normal();
1220 }
1221
1222 if (!arg_no_legend) {
1223 printf("%s%u timers listed.%s\n", on, n, off);
1224 if (!arg_all)
1225 printf("Pass --all to see loaded but inactive timers, too.\n");
1226 }
1227
1228 return 0;
1229 }
1230
1231 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1232 usec_t next_elapse;
1233
1234 assert(nw);
1235 assert(next);
1236
1237 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1238 usec_t converted;
1239
1240 if (next->monotonic > nw->monotonic)
1241 converted = nw->realtime + (next->monotonic - nw->monotonic);
1242 else
1243 converted = nw->realtime - (nw->monotonic - next->monotonic);
1244
1245 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1246 next_elapse = MIN(converted, next->realtime);
1247 else
1248 next_elapse = converted;
1249
1250 } else
1251 next_elapse = next->realtime;
1252
1253 return next_elapse;
1254 }
1255
1256 static int list_timers(int argc, char *argv[], void *userdata) {
1257 _cleanup_(message_set_freep) Set *replies = NULL;
1258 _cleanup_strv_free_ char **machines = NULL;
1259 _cleanup_free_ struct timer_info *timer_infos = NULL;
1260 _cleanup_free_ UnitInfo *unit_infos = NULL;
1261 struct timer_info *t;
1262 const UnitInfo *u;
1263 size_t size = 0;
1264 int n, c = 0;
1265 dual_timestamp nw;
1266 sd_bus *bus;
1267 int r = 0;
1268
1269 r = acquire_bus(BUS_MANAGER, &bus);
1270 if (r < 0)
1271 return r;
1272
1273 (void) pager_open(arg_pager_flags);
1274
1275 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1276 if (n < 0)
1277 return n;
1278
1279 dual_timestamp_get(&nw);
1280
1281 for (u = unit_infos; u < unit_infos + n; u++) {
1282 _cleanup_strv_free_ char **triggered = NULL;
1283 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1284 usec_t m, last = 0;
1285
1286 if (!endswith(u->id, ".timer"))
1287 continue;
1288
1289 r = get_triggered_units(bus, u->unit_path, &triggered);
1290 if (r < 0)
1291 goto cleanup;
1292
1293 r = get_next_elapse(bus, u->unit_path, &next);
1294 if (r < 0)
1295 goto cleanup;
1296
1297 get_last_trigger(bus, u->unit_path, &last);
1298
1299 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1300 r = log_oom();
1301 goto cleanup;
1302 }
1303
1304 m = calc_next_elapse(&nw, &next);
1305
1306 timer_infos[c++] = (struct timer_info) {
1307 .machine = u->machine,
1308 .id = u->id,
1309 .next_elapse = m,
1310 .last_trigger = last,
1311 .triggered = TAKE_PTR(triggered),
1312 };
1313 }
1314
1315 typesafe_qsort(timer_infos, c, timer_info_compare);
1316
1317 output_timers_list(timer_infos, c);
1318
1319 cleanup:
1320 for (t = timer_infos; t < timer_infos + c; t++)
1321 strv_free(t->triggered);
1322
1323 return r;
1324 }
1325
1326 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1327 const char *d1, *d2;
1328
1329 d1 = strrchr(a->path, '.');
1330 d2 = strrchr(b->path, '.');
1331
1332 if (d1 && d2) {
1333 int r;
1334
1335 r = strcasecmp(d1, d2);
1336 if (r != 0)
1337 return r;
1338 }
1339
1340 return strcasecmp(basename(a->path), basename(b->path));
1341 }
1342
1343 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1344 assert(u);
1345
1346 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1347 return false;
1348
1349 if (!strv_isempty(arg_types)) {
1350 const char *dot;
1351
1352 dot = strrchr(u->path, '.');
1353 if (!dot)
1354 return false;
1355
1356 if (!strv_find(arg_types, dot+1))
1357 return false;
1358 }
1359
1360 if (!strv_isempty(states) &&
1361 !strv_find(states, unit_file_state_to_string(u->state)))
1362 return false;
1363
1364 return true;
1365 }
1366
1367 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1368 unsigned max_id_len, id_cols, state_cols;
1369 const UnitFileList *u;
1370
1371 max_id_len = STRLEN("UNIT FILE");
1372 state_cols = STRLEN("STATE");
1373
1374 for (u = units; u < units + c; u++) {
1375 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1376 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1377 }
1378
1379 if (!arg_full) {
1380 unsigned basic_cols;
1381
1382 id_cols = MIN(max_id_len, 25u);
1383 basic_cols = 1 + id_cols + state_cols;
1384 if (basic_cols < (unsigned) columns())
1385 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1386 } else
1387 id_cols = max_id_len;
1388
1389 if (!arg_no_legend && c > 0)
1390 printf("%s%-*s %-*s%s\n",
1391 ansi_underline(),
1392 id_cols, "UNIT FILE",
1393 state_cols, "STATE",
1394 ansi_normal());
1395
1396 for (u = units; u < units + c; u++) {
1397 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1398 _cleanup_free_ char *e = NULL;
1399 bool underline;
1400
1401 underline = u + 1 < units + c &&
1402 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1403
1404 if (underline)
1405 on_underline = ansi_underline();
1406
1407 if (IN_SET(u->state,
1408 UNIT_FILE_MASKED,
1409 UNIT_FILE_MASKED_RUNTIME,
1410 UNIT_FILE_DISABLED,
1411 UNIT_FILE_BAD))
1412 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1413 else if (u->state == UNIT_FILE_ENABLED)
1414 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1415
1416 if (on_underline || on_color)
1417 off = ansi_normal();
1418
1419 id = basename(u->path);
1420
1421 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1422
1423 printf("%s%-*s %s%-*s%s\n",
1424 strempty(on_underline),
1425 id_cols, e ? e : id,
1426 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1427 }
1428
1429 if (!arg_no_legend)
1430 printf("\n%u unit files listed.\n", c);
1431 }
1432
1433 static int list_unit_files(int argc, char *argv[], void *userdata) {
1434 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1435 _cleanup_free_ UnitFileList *units = NULL;
1436 UnitFileList *unit;
1437 size_t size = 0;
1438 unsigned c = 0;
1439 const char *state;
1440 char *path;
1441 int r;
1442 bool fallback = false;
1443
1444 if (install_client_side()) {
1445 Hashmap *h;
1446 UnitFileList *u;
1447 Iterator i;
1448 unsigned n_units;
1449
1450 h = hashmap_new(&string_hash_ops);
1451 if (!h)
1452 return log_oom();
1453
1454 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1455 if (r < 0) {
1456 unit_file_list_free(h);
1457 return log_error_errno(r, "Failed to get unit file list: %m");
1458 }
1459
1460 n_units = hashmap_size(h);
1461
1462 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1463 if (!units) {
1464 unit_file_list_free(h);
1465 return log_oom();
1466 }
1467
1468 HASHMAP_FOREACH(u, h, i) {
1469 if (!output_show_unit_file(u, NULL, NULL))
1470 continue;
1471
1472 units[c++] = *u;
1473 free(u);
1474 }
1475
1476 assert(c <= n_units);
1477 hashmap_free(h);
1478
1479 r = 0;
1480 } else {
1481 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1482 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1483 sd_bus *bus;
1484
1485 r = acquire_bus(BUS_MANAGER, &bus);
1486 if (r < 0)
1487 return r;
1488
1489 r = sd_bus_message_new_method_call(
1490 bus,
1491 &m,
1492 "org.freedesktop.systemd1",
1493 "/org/freedesktop/systemd1",
1494 "org.freedesktop.systemd1.Manager",
1495 "ListUnitFilesByPatterns");
1496 if (r < 0)
1497 return bus_log_create_error(r);
1498
1499 r = sd_bus_message_append_strv(m, arg_states);
1500 if (r < 0)
1501 return bus_log_create_error(r);
1502
1503 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1504 if (r < 0)
1505 return bus_log_create_error(r);
1506
1507 r = sd_bus_call(bus, m, 0, &error, &reply);
1508 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1509 /* Fallback to legacy ListUnitFiles method */
1510 fallback = true;
1511 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1512 m = sd_bus_message_unref(m);
1513 sd_bus_error_free(&error);
1514
1515 r = sd_bus_message_new_method_call(
1516 bus,
1517 &m,
1518 "org.freedesktop.systemd1",
1519 "/org/freedesktop/systemd1",
1520 "org.freedesktop.systemd1.Manager",
1521 "ListUnitFiles");
1522 if (r < 0)
1523 return bus_log_create_error(r);
1524
1525 r = sd_bus_call(bus, m, 0, &error, &reply);
1526 }
1527 if (r < 0)
1528 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1529
1530 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1531 if (r < 0)
1532 return bus_log_parse_error(r);
1533
1534 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1535
1536 if (!GREEDY_REALLOC(units, size, c + 1))
1537 return log_oom();
1538
1539 units[c] = (struct UnitFileList) {
1540 path,
1541 unit_file_state_from_string(state)
1542 };
1543
1544 if (output_show_unit_file(&units[c],
1545 fallback ? arg_states : NULL,
1546 fallback ? strv_skip(argv, 1) : NULL))
1547 c++;
1548
1549 }
1550 if (r < 0)
1551 return bus_log_parse_error(r);
1552
1553 r = sd_bus_message_exit_container(reply);
1554 if (r < 0)
1555 return bus_log_parse_error(r);
1556 }
1557
1558 (void) pager_open(arg_pager_flags);
1559
1560 typesafe_qsort(units, c, compare_unit_file_list);
1561 output_unit_file_list(units, c);
1562
1563 if (install_client_side())
1564 for (unit = units; unit < units + c; unit++)
1565 free(unit->path);
1566
1567 return 0;
1568 }
1569
1570 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1571 _cleanup_free_ char *n = NULL;
1572 size_t max_len = MAX(columns(),20u);
1573 size_t len = 0;
1574 int i;
1575
1576 if (!arg_plain) {
1577
1578 for (i = level - 1; i >= 0; i--) {
1579 len += 2;
1580 if (len > max_len - 3 && !arg_full) {
1581 printf("%s...\n",max_len % 2 ? "" : " ");
1582 return 0;
1583 }
1584 printf("%s", special_glyph(branches & (1 << i) ? TREE_VERTICAL : TREE_SPACE));
1585 }
1586 len += 2;
1587
1588 if (len > max_len - 3 && !arg_full) {
1589 printf("%s...\n",max_len % 2 ? "" : " ");
1590 return 0;
1591 }
1592
1593 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
1594 }
1595
1596 if (arg_full) {
1597 printf("%s\n", name);
1598 return 0;
1599 }
1600
1601 n = ellipsize(name, max_len-len, 100);
1602 if (!n)
1603 return log_oom();
1604
1605 printf("%s\n", n);
1606 return 0;
1607 }
1608
1609 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1610 struct DependencyStatusInfo {
1611 char **dep[5];
1612 } info = {};
1613
1614 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1615 [DEPENDENCY_FORWARD] = {
1616 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1617 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1618 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1619 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1620 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1621 {}
1622 },
1623 [DEPENDENCY_REVERSE] = {
1624 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1625 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1626 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1627 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1628 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1629 {}
1630 },
1631 [DEPENDENCY_AFTER] = {
1632 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1633 {}
1634 },
1635 [DEPENDENCY_BEFORE] = {
1636 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1637 {}
1638 },
1639 };
1640
1641 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1642 _cleanup_strv_free_ char **ret = NULL;
1643 _cleanup_free_ char *path = NULL;
1644 int i, r;
1645
1646 assert(bus);
1647 assert(name);
1648 assert(deps);
1649
1650 path = unit_dbus_path_from_name(name);
1651 if (!path)
1652 return log_oom();
1653
1654 r = bus_map_all_properties(bus,
1655 "org.freedesktop.systemd1",
1656 path,
1657 map[arg_dependency],
1658 BUS_MAP_STRDUP,
1659 &error,
1660 NULL,
1661 &info);
1662 if (r < 0)
1663 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1664
1665 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1666 *deps = info.dep[0];
1667 return 0;
1668 }
1669
1670 for (i = 0; i < 5; i++) {
1671 r = strv_extend_strv(&ret, info.dep[i], true);
1672 if (r < 0)
1673 return log_oom();
1674 info.dep[i] = strv_free(info.dep[i]);
1675 }
1676
1677 *deps = TAKE_PTR(ret);
1678
1679 return 0;
1680 }
1681
1682 static int list_dependencies_compare(char * const *a, char * const *b) {
1683 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1684 return 1;
1685 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1686 return -1;
1687
1688 return strcasecmp(*a, *b);
1689 }
1690
1691 static int list_dependencies_one(
1692 sd_bus *bus,
1693 const char *name,
1694 int level,
1695 char ***units,
1696 unsigned branches) {
1697
1698 _cleanup_strv_free_ char **deps = NULL;
1699 char **c;
1700 int r = 0;
1701
1702 assert(bus);
1703 assert(name);
1704 assert(units);
1705
1706 r = strv_extend(units, name);
1707 if (r < 0)
1708 return log_oom();
1709
1710 r = list_dependencies_get_dependencies(bus, name, &deps);
1711 if (r < 0)
1712 return r;
1713
1714 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1715
1716 STRV_FOREACH(c, deps) {
1717 if (strv_contains(*units, *c)) {
1718 if (!arg_plain) {
1719 printf(" ");
1720 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1721 if (r < 0)
1722 return r;
1723 }
1724 continue;
1725 }
1726
1727 if (arg_plain)
1728 printf(" ");
1729 else {
1730 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1731 const char *on;
1732
1733 (void) get_state_one_unit(bus, *c, &active_state);
1734
1735 switch (active_state) {
1736 case UNIT_ACTIVE:
1737 case UNIT_RELOADING:
1738 case UNIT_ACTIVATING:
1739 on = ansi_highlight_green();
1740 break;
1741
1742 case UNIT_INACTIVE:
1743 case UNIT_DEACTIVATING:
1744 on = ansi_normal();
1745 break;
1746
1747 default:
1748 on = ansi_highlight_red();
1749 break;
1750 }
1751
1752 printf("%s%s%s ", on, special_glyph(BLACK_CIRCLE), ansi_normal());
1753 }
1754
1755 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1756 if (r < 0)
1757 return r;
1758
1759 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1760 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1761 if (r < 0)
1762 return r;
1763 }
1764 }
1765
1766 if (!arg_plain)
1767 strv_remove(*units, name);
1768
1769 return 0;
1770 }
1771
1772 static int list_dependencies(int argc, char *argv[], void *userdata) {
1773 _cleanup_strv_free_ char **units = NULL;
1774 _cleanup_free_ char *unit = NULL;
1775 const char *u;
1776 sd_bus *bus;
1777 int r;
1778
1779 if (argv[1]) {
1780 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1781 if (r < 0)
1782 return log_error_errno(r, "Failed to mangle unit name: %m");
1783
1784 u = unit;
1785 } else
1786 u = SPECIAL_DEFAULT_TARGET;
1787
1788 r = acquire_bus(BUS_MANAGER, &bus);
1789 if (r < 0)
1790 return r;
1791
1792 (void) pager_open(arg_pager_flags);
1793
1794 puts(u);
1795
1796 return list_dependencies_one(bus, u, 0, &units, 0);
1797 }
1798
1799 struct machine_info {
1800 bool is_host;
1801 char *name;
1802 char *state;
1803 char *control_group;
1804 uint32_t n_failed_units;
1805 uint32_t n_jobs;
1806 usec_t timestamp;
1807 };
1808
1809 static const struct bus_properties_map machine_info_property_map[] = {
1810 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1811 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1812 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1813 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1814 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1815 {}
1816 };
1817
1818 static void machine_info_clear(struct machine_info *info) {
1819 assert(info);
1820
1821 free(info->name);
1822 free(info->state);
1823 free(info->control_group);
1824 zero(*info);
1825 }
1826
1827 static void free_machines_list(struct machine_info *machine_infos, int n) {
1828 int i;
1829
1830 if (!machine_infos)
1831 return;
1832
1833 for (i = 0; i < n; i++)
1834 machine_info_clear(&machine_infos[i]);
1835
1836 free(machine_infos);
1837 }
1838
1839 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1840 int r;
1841
1842 r = CMP(b->is_host, a->is_host);
1843 if (r != 0)
1844 return r;
1845
1846 return strcasecmp(a->name, b->name);
1847 }
1848
1849 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1850 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1851 int r;
1852
1853 assert(mi);
1854
1855 if (!bus) {
1856 r = sd_bus_open_system_machine(&container, mi->name);
1857 if (r < 0)
1858 return r;
1859
1860 bus = container;
1861 }
1862
1863 r = bus_map_all_properties(
1864 bus,
1865 "org.freedesktop.systemd1",
1866 "/org/freedesktop/systemd1",
1867 machine_info_property_map,
1868 BUS_MAP_STRDUP,
1869 NULL,
1870 NULL,
1871 mi);
1872 if (r < 0)
1873 return r;
1874
1875 return 0;
1876 }
1877
1878 static bool output_show_machine(const char *name, char **patterns) {
1879 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1880 }
1881
1882 static int get_machine_list(
1883 sd_bus *bus,
1884 struct machine_info **_machine_infos,
1885 char **patterns) {
1886
1887 struct machine_info *machine_infos = NULL;
1888 _cleanup_strv_free_ char **m = NULL;
1889 _cleanup_free_ char *hn = NULL;
1890 size_t sz = 0;
1891 char **i;
1892 int c = 0, r;
1893
1894 hn = gethostname_malloc();
1895 if (!hn)
1896 return log_oom();
1897
1898 if (output_show_machine(hn, patterns)) {
1899 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1900 return log_oom();
1901
1902 machine_infos[c].is_host = true;
1903 machine_infos[c].name = TAKE_PTR(hn);
1904
1905 (void) get_machine_properties(bus, &machine_infos[c]);
1906 c++;
1907 }
1908
1909 r = sd_get_machine_names(&m);
1910 if (r < 0)
1911 return log_error_errno(r, "Failed to get machine list: %m");
1912
1913 STRV_FOREACH(i, m) {
1914 _cleanup_free_ char *class = NULL;
1915
1916 if (!output_show_machine(*i, patterns))
1917 continue;
1918
1919 sd_machine_get_class(*i, &class);
1920 if (!streq_ptr(class, "container"))
1921 continue;
1922
1923 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1924 free_machines_list(machine_infos, c);
1925 return log_oom();
1926 }
1927
1928 machine_infos[c].is_host = false;
1929 machine_infos[c].name = strdup(*i);
1930 if (!machine_infos[c].name) {
1931 free_machines_list(machine_infos, c);
1932 return log_oom();
1933 }
1934
1935 (void) get_machine_properties(NULL, &machine_infos[c]);
1936 c++;
1937 }
1938
1939 *_machine_infos = machine_infos;
1940 return c;
1941 }
1942
1943 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1944 struct machine_info *m;
1945 unsigned
1946 circle_len = 0,
1947 namelen = STRLEN("NAME"),
1948 statelen = STRLEN("STATE"),
1949 failedlen = STRLEN("FAILED"),
1950 jobslen = STRLEN("JOBS");
1951
1952 assert(machine_infos || n == 0);
1953
1954 for (m = machine_infos; m < machine_infos + n; m++) {
1955 namelen = MAX(namelen,
1956 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1957 statelen = MAX(statelen, strlen_ptr(m->state));
1958 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1959 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1960
1961 if (!arg_plain && !streq_ptr(m->state, "running"))
1962 circle_len = 2;
1963 }
1964
1965 if (!arg_no_legend) {
1966 if (circle_len > 0)
1967 fputs(" ", stdout);
1968
1969 printf("%-*s %-*s %-*s %-*s\n",
1970 namelen, "NAME",
1971 statelen, "STATE",
1972 failedlen, "FAILED",
1973 jobslen, "JOBS");
1974 }
1975
1976 for (m = machine_infos; m < machine_infos + n; m++) {
1977 const char *on_state = "", *off_state = "";
1978 const char *on_failed = "", *off_failed = "";
1979 bool circle = false;
1980
1981 if (streq_ptr(m->state, "degraded")) {
1982 on_state = ansi_highlight_red();
1983 off_state = ansi_normal();
1984 circle = true;
1985 } else if (!streq_ptr(m->state, "running")) {
1986 on_state = ansi_highlight_yellow();
1987 off_state = ansi_normal();
1988 circle = true;
1989 }
1990
1991 if (m->n_failed_units > 0) {
1992 on_failed = ansi_highlight_red();
1993 off_failed = ansi_normal();
1994 } else
1995 on_failed = off_failed = "";
1996
1997 if (circle_len > 0)
1998 printf("%s%s%s ", on_state, circle ? special_glyph(BLACK_CIRCLE) : " ", off_state);
1999
2000 if (m->is_host)
2001 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2002 (int) (namelen - (STRLEN(" (host)"))),
2003 strna(m->name),
2004 on_state, statelen, strna(m->state), off_state,
2005 on_failed, failedlen, m->n_failed_units, off_failed,
2006 jobslen, m->n_jobs);
2007 else
2008 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2009 namelen, strna(m->name),
2010 on_state, statelen, strna(m->state), off_state,
2011 on_failed, failedlen, m->n_failed_units, off_failed,
2012 jobslen, m->n_jobs);
2013 }
2014
2015 if (!arg_no_legend)
2016 printf("\n%u machines listed.\n", n);
2017 }
2018
2019 static int list_machines(int argc, char *argv[], void *userdata) {
2020 struct machine_info *machine_infos = NULL;
2021 sd_bus *bus;
2022 int r;
2023
2024 r = acquire_bus(BUS_MANAGER, &bus);
2025 if (r < 0)
2026 return r;
2027
2028 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2029 if (r < 0)
2030 return r;
2031
2032 (void) pager_open(arg_pager_flags);
2033
2034 typesafe_qsort(machine_infos, r, compare_machine_info);
2035 output_machines_list(machine_infos, r);
2036 free_machines_list(machine_infos, r);
2037
2038 return 0;
2039 }
2040
2041 static int get_default(int argc, char *argv[], void *userdata) {
2042 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2043 _cleanup_free_ char *_path = NULL;
2044 const char *path;
2045 int r;
2046
2047 if (install_client_side()) {
2048 r = unit_file_get_default(arg_scope, arg_root, &_path);
2049 if (r < 0)
2050 return log_error_errno(r, "Failed to get default target: %m");
2051 path = _path;
2052
2053 r = 0;
2054 } else {
2055 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2056 sd_bus *bus;
2057
2058 r = acquire_bus(BUS_MANAGER, &bus);
2059 if (r < 0)
2060 return r;
2061
2062 r = sd_bus_call_method(
2063 bus,
2064 "org.freedesktop.systemd1",
2065 "/org/freedesktop/systemd1",
2066 "org.freedesktop.systemd1.Manager",
2067 "GetDefaultTarget",
2068 &error,
2069 &reply,
2070 NULL);
2071 if (r < 0)
2072 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2073
2074 r = sd_bus_message_read(reply, "s", &path);
2075 if (r < 0)
2076 return bus_log_parse_error(r);
2077 }
2078
2079 if (path)
2080 printf("%s\n", path);
2081
2082 return 0;
2083 }
2084
2085 static int set_default(int argc, char *argv[], void *userdata) {
2086 _cleanup_free_ char *unit = NULL;
2087 UnitFileChange *changes = NULL;
2088 size_t n_changes = 0;
2089 int r;
2090
2091 assert(argc >= 2);
2092 assert(argv);
2093
2094 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2095 if (r < 0)
2096 return log_error_errno(r, "Failed to mangle unit name: %m");
2097
2098 if (install_client_side()) {
2099 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2100 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2101
2102 if (r > 0)
2103 r = 0;
2104 } else {
2105 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2106 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2107 sd_bus *bus;
2108
2109 polkit_agent_open_maybe();
2110
2111 r = acquire_bus(BUS_MANAGER, &bus);
2112 if (r < 0)
2113 return r;
2114
2115 r = sd_bus_call_method(
2116 bus,
2117 "org.freedesktop.systemd1",
2118 "/org/freedesktop/systemd1",
2119 "org.freedesktop.systemd1.Manager",
2120 "SetDefaultTarget",
2121 &error,
2122 &reply,
2123 "sb", unit, 1);
2124 if (r < 0)
2125 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2126
2127 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2128 if (r < 0)
2129 goto finish;
2130
2131 /* Try to reload if enabled */
2132 if (!arg_no_reload)
2133 r = daemon_reload(argc, argv, userdata);
2134 else
2135 r = 0;
2136 }
2137
2138 finish:
2139 unit_file_changes_free(changes, n_changes);
2140
2141 return r;
2142 }
2143
2144 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2145 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2146 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2147 const char *name, *type;
2148 uint32_t other_id;
2149 int r;
2150
2151 assert(bus);
2152
2153 r = sd_bus_call_method(
2154 bus,
2155 "org.freedesktop.systemd1",
2156 "/org/freedesktop/systemd1",
2157 "org.freedesktop.systemd1.Manager",
2158 method,
2159 &error,
2160 &reply,
2161 "u", id);
2162 if (r < 0)
2163 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2164
2165 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2166 if (r < 0)
2167 return bus_log_parse_error(r);
2168
2169 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2170 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2171 if (r < 0)
2172 return bus_log_parse_error(r);
2173
2174 r = sd_bus_message_exit_container(reply);
2175 if (r < 0)
2176 return bus_log_parse_error(r);
2177
2178 return 0;
2179 }
2180
2181 struct job_info {
2182 uint32_t id;
2183 const char *name, *type, *state;
2184 };
2185
2186 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2187 unsigned id_len, unit_len, type_len, state_len;
2188 const struct job_info *j;
2189 const char *on, *off;
2190 bool shorten = false;
2191
2192 assert(n == 0 || jobs);
2193
2194 if (n == 0) {
2195 if (!arg_no_legend) {
2196 on = ansi_highlight_green();
2197 off = ansi_normal();
2198
2199 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2200 }
2201 return;
2202 }
2203
2204 (void) pager_open(arg_pager_flags);
2205
2206 id_len = STRLEN("JOB");
2207 unit_len = STRLEN("UNIT");
2208 type_len = STRLEN("TYPE");
2209 state_len = STRLEN("STATE");
2210
2211 for (j = jobs; j < jobs + n; j++) {
2212 uint32_t id = j->id;
2213 assert(j->name && j->type && j->state);
2214
2215 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2216 unit_len = MAX(unit_len, strlen(j->name));
2217 type_len = MAX(type_len, strlen(j->type));
2218 state_len = MAX(state_len, strlen(j->state));
2219 }
2220
2221 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2222 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2223 shorten = true;
2224 }
2225
2226 if (!arg_no_legend)
2227 printf("%*s %-*s %-*s %-*s\n",
2228 id_len, "JOB",
2229 unit_len, "UNIT",
2230 type_len, "TYPE",
2231 state_len, "STATE");
2232
2233 for (j = jobs; j < jobs + n; j++) {
2234 _cleanup_free_ char *e = NULL;
2235
2236 if (streq(j->state, "running")) {
2237 on = ansi_highlight();
2238 off = ansi_normal();
2239 } else
2240 on = off = "";
2241
2242 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2243 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2244 id_len, j->id,
2245 on, unit_len, e ? e : j->name, off,
2246 type_len, j->type,
2247 on, state_len, j->state, off);
2248
2249 if (arg_jobs_after)
2250 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2251 if (arg_jobs_before)
2252 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2253 }
2254
2255 if (!arg_no_legend) {
2256 on = ansi_highlight();
2257 off = ansi_normal();
2258
2259 printf("\n%s%u jobs listed%s.\n", on, n, off);
2260 }
2261 }
2262
2263 static bool output_show_job(struct job_info *job, char **patterns) {
2264 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2265 }
2266
2267 static int list_jobs(int argc, char *argv[], void *userdata) {
2268 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2269 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2270 _cleanup_free_ struct job_info *jobs = NULL;
2271 const char *name, *type, *state;
2272 bool skipped = false;
2273 size_t size = 0;
2274 unsigned c = 0;
2275 sd_bus *bus;
2276 uint32_t id;
2277 int r;
2278
2279 r = acquire_bus(BUS_MANAGER, &bus);
2280 if (r < 0)
2281 return r;
2282
2283 r = sd_bus_call_method(
2284 bus,
2285 "org.freedesktop.systemd1",
2286 "/org/freedesktop/systemd1",
2287 "org.freedesktop.systemd1.Manager",
2288 "ListJobs",
2289 &error,
2290 &reply,
2291 NULL);
2292 if (r < 0)
2293 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2294
2295 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2296 if (r < 0)
2297 return bus_log_parse_error(r);
2298
2299 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2300 struct job_info job = { id, name, type, state };
2301
2302 if (!output_show_job(&job, strv_skip(argv, 1))) {
2303 skipped = true;
2304 continue;
2305 }
2306
2307 if (!GREEDY_REALLOC(jobs, size, c + 1))
2308 return log_oom();
2309
2310 jobs[c++] = job;
2311 }
2312 if (r < 0)
2313 return bus_log_parse_error(r);
2314
2315 r = sd_bus_message_exit_container(reply);
2316 if (r < 0)
2317 return bus_log_parse_error(r);
2318
2319 (void) pager_open(arg_pager_flags);
2320
2321 output_jobs_list(bus, jobs, c, skipped);
2322 return 0;
2323 }
2324
2325 static int cancel_job(int argc, char *argv[], void *userdata) {
2326 sd_bus *bus;
2327 char **name;
2328 int r = 0;
2329
2330 if (argc <= 1)
2331 return trivial_method(argc, argv, userdata);
2332
2333 r = acquire_bus(BUS_MANAGER, &bus);
2334 if (r < 0)
2335 return r;
2336
2337 polkit_agent_open_maybe();
2338
2339 STRV_FOREACH(name, strv_skip(argv, 1)) {
2340 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2341 uint32_t id;
2342 int q;
2343
2344 q = safe_atou32(*name, &id);
2345 if (q < 0)
2346 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2347
2348 q = sd_bus_call_method(
2349 bus,
2350 "org.freedesktop.systemd1",
2351 "/org/freedesktop/systemd1",
2352 "org.freedesktop.systemd1.Manager",
2353 "CancelJob",
2354 &error,
2355 NULL,
2356 "u", id);
2357 if (q < 0) {
2358 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2359 if (r == 0)
2360 r = q;
2361 }
2362 }
2363
2364 return r;
2365 }
2366
2367 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2368 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2369 const char *path;
2370 int b, r;
2371
2372 /* We ignore all errors here, since this is used to show a
2373 * warning only */
2374
2375 /* We don't use unit_dbus_path_from_name() directly since we
2376 * don't want to load the unit if it isn't loaded. */
2377
2378 r = sd_bus_call_method(
2379 bus,
2380 "org.freedesktop.systemd1",
2381 "/org/freedesktop/systemd1",
2382 "org.freedesktop.systemd1.Manager",
2383 "GetUnit",
2384 NULL,
2385 &reply,
2386 "s", unit);
2387 if (r < 0)
2388 return r;
2389
2390 r = sd_bus_message_read(reply, "o", &path);
2391 if (r < 0)
2392 return r;
2393
2394 r = sd_bus_get_property_trivial(
2395 bus,
2396 "org.freedesktop.systemd1",
2397 path,
2398 "org.freedesktop.systemd1.Unit",
2399 "NeedDaemonReload",
2400 NULL,
2401 'b', &b);
2402 if (r < 0)
2403 return r;
2404
2405 return b;
2406 }
2407
2408 static void warn_unit_file_changed(const char *name) {
2409 assert(name);
2410
2411 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.",
2412 ansi_highlight_red(),
2413 ansi_normal(),
2414 name,
2415 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2416 }
2417
2418 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2419 char **p;
2420
2421 assert(lp);
2422 assert(unit_name);
2423
2424 STRV_FOREACH(p, lp->search_path) {
2425 _cleanup_free_ char *path = NULL, *lpath = NULL;
2426 int r;
2427
2428 path = path_join(*p, unit_name);
2429 if (!path)
2430 return log_oom();
2431
2432 r = chase_symlinks(path, arg_root, 0, &lpath);
2433 if (r == -ENOENT)
2434 continue;
2435 if (r == -ENOMEM)
2436 return log_oom();
2437 if (r < 0)
2438 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2439
2440 if (ret_unit_path)
2441 *ret_unit_path = TAKE_PTR(lpath);
2442
2443 return 1;
2444 }
2445
2446 if (ret_unit_path)
2447 *ret_unit_path = NULL;
2448
2449 return 0;
2450 }
2451
2452 static int unit_find_template_path(
2453 const char *unit_name,
2454 LookupPaths *lp,
2455 char **ret_fragment_path,
2456 char **ret_template) {
2457
2458 _cleanup_free_ char *t = NULL, *f = NULL;
2459 int r;
2460
2461 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2462
2463 r = unit_file_find_path(lp, unit_name, &f);
2464 if (r < 0)
2465 return r;
2466 if (r > 0) {
2467 if (ret_fragment_path)
2468 *ret_fragment_path = TAKE_PTR(f);
2469 if (ret_template)
2470 *ret_template = NULL;
2471 return r; /* found a real unit */
2472 }
2473
2474 r = unit_name_template(unit_name, &t);
2475 if (r == -EINVAL) {
2476 if (ret_fragment_path)
2477 *ret_fragment_path = NULL;
2478 if (ret_template)
2479 *ret_template = NULL;
2480
2481 return 0; /* not a template, does not exist */
2482 }
2483 if (r < 0)
2484 return log_error_errno(r, "Failed to determine template name: %m");
2485
2486 r = unit_file_find_path(lp, t, ret_fragment_path);
2487 if (r < 0)
2488 return r;
2489
2490 if (ret_template)
2491 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2492
2493 return r;
2494 }
2495
2496 static int unit_find_paths(
2497 sd_bus *bus,
2498 const char *unit_name,
2499 LookupPaths *lp,
2500 bool force_client_side,
2501 char **ret_fragment_path,
2502 char ***ret_dropin_paths) {
2503
2504 _cleanup_strv_free_ char **dropins = NULL;
2505 _cleanup_free_ char *path = NULL;
2506 int r;
2507
2508 /**
2509 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is found, and
2510 * sets:
2511 * - the path to the unit in *ret_frament_path, if it exists on disk,
2512 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins were found.
2513 *
2514 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for some
2515 * reason (the latter only applies if we are going through the service manager)
2516 */
2517
2518 assert(unit_name);
2519 assert(ret_fragment_path);
2520 assert(lp);
2521
2522 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2523 if (!force_client_side &&
2524 !install_client_side() &&
2525 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2526 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2527 _cleanup_free_ char *load_state = NULL, *unit = NULL;
2528
2529 unit = unit_dbus_path_from_name(unit_name);
2530 if (!unit)
2531 return log_oom();
2532
2533 r = sd_bus_get_property_string(
2534 bus,
2535 "org.freedesktop.systemd1",
2536 unit,
2537 "org.freedesktop.systemd1.Unit",
2538 "LoadState",
2539 &error,
2540 &load_state);
2541 if (r < 0)
2542 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2543
2544 if (streq(load_state, "masked"))
2545 return -ERFKILL;
2546 if (streq(load_state, "not-found")) {
2547 r = 0;
2548 goto not_found;
2549 }
2550 if (!streq(load_state, "loaded"))
2551 return -EKEYREJECTED;
2552
2553 r = sd_bus_get_property_string(
2554 bus,
2555 "org.freedesktop.systemd1",
2556 unit,
2557 "org.freedesktop.systemd1.Unit",
2558 "FragmentPath",
2559 &error,
2560 &path);
2561 if (r < 0)
2562 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2563
2564 if (ret_dropin_paths) {
2565 r = sd_bus_get_property_strv(
2566 bus,
2567 "org.freedesktop.systemd1",
2568 unit,
2569 "org.freedesktop.systemd1.Unit",
2570 "DropInPaths",
2571 &error,
2572 &dropins);
2573 if (r < 0)
2574 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2575 }
2576 } else {
2577 _cleanup_set_free_ Set *names = NULL;
2578 _cleanup_free_ char *template = NULL;
2579
2580 names = set_new(NULL);
2581 if (!names)
2582 return log_oom();
2583
2584 r = unit_find_template_path(unit_name, lp, &path, &template);
2585 if (r < 0)
2586 return r;
2587 if (r > 0) {
2588 if (null_or_empty_path(path))
2589 /* The template is masked. Let's cut the process short. */
2590 return -ERFKILL;
2591
2592 /* We found the unit file. If we followed symlinks, this name might be
2593 * different then the unit_name with started with. Look for dropins matching
2594 * that "final" name. */
2595 r = set_put(names, basename(path));
2596 } else if (!template)
2597 /* No unit file, let's look for dropins matching the original name.
2598 * systemd has fairly complicated rules (based on unit type and provenience),
2599 * which units are allowed not to have the main unit file. We err on the
2600 * side of including too many files, and always try to load dropins. */
2601 r = set_put(names, unit_name);
2602 else
2603 /* The cases where we allow a unit to exist without the main file are
2604 * never valid for templates. Don't try to load dropins in this case. */
2605 goto not_found;
2606
2607 if (r < 0)
2608 return log_error_errno(r, "Failed to add unit name: %m");
2609
2610 if (ret_dropin_paths) {
2611 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, NULL, names, &dropins);
2612 if (r < 0)
2613 return r;
2614 }
2615 }
2616
2617 r = 0;
2618
2619 if (!isempty(path)) {
2620 *ret_fragment_path = TAKE_PTR(path);
2621 r = 1;
2622 } else
2623 *ret_fragment_path = NULL;
2624
2625 if (ret_dropin_paths) {
2626 if (!strv_isempty(dropins)) {
2627 *ret_dropin_paths = TAKE_PTR(dropins);
2628 r = 1;
2629 } else
2630 *ret_dropin_paths = NULL;
2631 }
2632
2633 not_found:
2634 if (r == 0 && !arg_force)
2635 log_error("No files found for %s.", unit_name);
2636
2637 return r;
2638 }
2639
2640 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2641 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2642 _cleanup_free_ char *buf = NULL, *path = NULL;
2643 UnitActiveState state;
2644 int r;
2645
2646 assert(name);
2647 assert(active_state);
2648
2649 path = unit_dbus_path_from_name(name);
2650 if (!path)
2651 return log_oom();
2652
2653 r = sd_bus_get_property_string(
2654 bus,
2655 "org.freedesktop.systemd1",
2656 path,
2657 "org.freedesktop.systemd1.Unit",
2658 "ActiveState",
2659 &error,
2660 &buf);
2661 if (r < 0)
2662 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2663
2664 state = unit_active_state_from_string(buf);
2665 if (state == _UNIT_ACTIVE_STATE_INVALID) {
2666 log_error("Invalid unit state '%s' for: %s", buf, name);
2667 return -EINVAL;
2668 }
2669
2670 *active_state = state;
2671 return 0;
2672 }
2673
2674 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2675 _cleanup_free_ char *load_state = NULL;
2676 int r;
2677
2678 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2679 _cleanup_free_ char *path = NULL;
2680
2681 /* A template cannot be loaded, but it can be still masked, so
2682 * we need to use a different method. */
2683
2684 r = unit_file_find_path(lp, name, &path);
2685 if (r < 0)
2686 return r;
2687 if (r == 0)
2688 return false;
2689 return null_or_empty_path(path);
2690 }
2691
2692 r = unit_load_state(bus, name, &load_state);
2693 if (r < 0)
2694 return r;
2695
2696 return streq(load_state, "masked");
2697 }
2698
2699 static int check_triggering_units(sd_bus *bus, const char *name) {
2700 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2701 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2702 _cleanup_strv_free_ char **triggered_by = NULL;
2703 bool print_warning_label = true;
2704 UnitActiveState active_state;
2705 char **i;
2706 int r;
2707
2708 r = unit_name_mangle(name, 0, &n);
2709 if (r < 0)
2710 return log_error_errno(r, "Failed to mangle unit name: %m");
2711
2712 r = unit_load_state(bus, name, &load_state);
2713 if (r < 0)
2714 return r;
2715
2716 if (streq(load_state, "masked"))
2717 return 0;
2718
2719 path = unit_dbus_path_from_name(n);
2720 if (!path)
2721 return log_oom();
2722
2723 r = sd_bus_get_property_strv(
2724 bus,
2725 "org.freedesktop.systemd1",
2726 path,
2727 "org.freedesktop.systemd1.Unit",
2728 "TriggeredBy",
2729 &error,
2730 &triggered_by);
2731 if (r < 0)
2732 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2733
2734 STRV_FOREACH(i, triggered_by) {
2735 r = get_state_one_unit(bus, *i, &active_state);
2736 if (r < 0)
2737 return r;
2738
2739 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2740 continue;
2741
2742 if (print_warning_label) {
2743 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2744 print_warning_label = false;
2745 }
2746
2747 log_warning(" %s", *i);
2748 }
2749
2750 return 0;
2751 }
2752
2753 static const struct {
2754 const char *verb;
2755 const char *method;
2756 } unit_actions[] = {
2757 { "start", "StartUnit" },
2758 { "stop", "StopUnit" },
2759 { "condstop", "StopUnit" },
2760 { "reload", "ReloadUnit" },
2761 { "restart", "RestartUnit" },
2762 { "try-restart", "TryRestartUnit" },
2763 { "condrestart", "TryRestartUnit" },
2764 { "reload-or-restart", "ReloadOrRestartUnit" },
2765 { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
2766 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2767 { "condreload", "ReloadOrTryRestartUnit" },
2768 { "force-reload", "ReloadOrTryRestartUnit" }
2769 };
2770
2771 static const char *verb_to_method(const char *verb) {
2772 uint i;
2773
2774 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2775 if (streq_ptr(unit_actions[i].verb, verb))
2776 return unit_actions[i].method;
2777
2778 return "StartUnit";
2779 }
2780
2781 static const char *method_to_verb(const char *method) {
2782 uint i;
2783
2784 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2785 if (streq_ptr(unit_actions[i].method, method))
2786 return unit_actions[i].verb;
2787
2788 return "n/a";
2789 }
2790
2791 typedef struct {
2792 sd_bus_slot *match;
2793 sd_event *event;
2794 Set *unit_paths;
2795 bool any_failed;
2796 } WaitContext;
2797
2798 static void wait_context_free(WaitContext *c) {
2799 c->match = sd_bus_slot_unref(c->match);
2800 c->event = sd_event_unref(c->event);
2801 c->unit_paths = set_free_free(c->unit_paths);
2802 }
2803
2804 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2805 WaitContext *c = userdata;
2806 const char *path;
2807 int r;
2808
2809 path = sd_bus_message_get_path(m);
2810 if (!set_contains(c->unit_paths, path))
2811 return 0;
2812
2813 /* Check if ActiveState changed to inactive/failed */
2814 /* (s interface, a{sv} changed_properties, as invalidated_properties) */
2815 r = sd_bus_message_skip(m, "s");
2816 if (r < 0)
2817 return bus_log_parse_error(r);
2818
2819 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2820 if (r < 0)
2821 return bus_log_parse_error(r);
2822
2823 while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
2824 const char *s;
2825
2826 r = sd_bus_message_read(m, "s", &s);
2827 if (r < 0)
2828 return bus_log_parse_error(r);
2829
2830 if (streq(s, "ActiveState")) {
2831 bool is_failed;
2832
2833 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, "s");
2834 if (r < 0)
2835 return bus_log_parse_error(r);
2836
2837 r = sd_bus_message_read(m, "s", &s);
2838 if (r < 0)
2839 return bus_log_parse_error(r);
2840
2841 is_failed = streq(s, "failed");
2842 if (streq(s, "inactive") || is_failed) {
2843 log_debug("%s became %s, dropping from --wait tracking", path, s);
2844 free(set_remove(c->unit_paths, path));
2845 c->any_failed = c->any_failed || is_failed;
2846 } else
2847 log_debug("ActiveState on %s changed to %s", path, s);
2848
2849 break; /* no need to dissect the rest of the message */
2850 } else {
2851 /* other property */
2852 r = sd_bus_message_skip(m, "v");
2853 if (r < 0)
2854 return bus_log_parse_error(r);
2855 }
2856 r = sd_bus_message_exit_container(m);
2857 if (r < 0)
2858 return bus_log_parse_error(r);
2859 }
2860 if (r < 0)
2861 return bus_log_parse_error(r);
2862
2863 if (set_isempty(c->unit_paths))
2864 sd_event_exit(c->event, EXIT_SUCCESS);
2865
2866 return 0;
2867 }
2868
2869 static int start_unit_one(
2870 sd_bus *bus,
2871 const char *method,
2872 const char *name,
2873 const char *mode,
2874 sd_bus_error *error,
2875 BusWaitForJobs *w,
2876 WaitContext *wait_context) {
2877
2878 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2879 const char *path;
2880 int r;
2881
2882 assert(method);
2883 assert(name);
2884 assert(mode);
2885 assert(error);
2886
2887 if (wait_context) {
2888 _cleanup_free_ char *unit_path = NULL;
2889
2890 log_debug("Watching for property changes of %s", name);
2891 r = sd_bus_call_method(
2892 bus,
2893 "org.freedesktop.systemd1",
2894 "/org/freedesktop/systemd1",
2895 "org.freedesktop.systemd1.Manager",
2896 "RefUnit",
2897 error,
2898 NULL,
2899 "s", name);
2900 if (r < 0)
2901 return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r));
2902
2903 unit_path = unit_dbus_path_from_name(name);
2904 if (!unit_path)
2905 return log_oom();
2906
2907 r = set_put_strdup(wait_context->unit_paths, unit_path);
2908 if (r < 0)
2909 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2910
2911 r = sd_bus_match_signal_async(bus,
2912 &wait_context->match,
2913 NULL,
2914 unit_path,
2915 "org.freedesktop.DBus.Properties",
2916 "PropertiesChanged",
2917 on_properties_changed, NULL, wait_context);
2918 if (r < 0)
2919 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2920 }
2921
2922 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2923 arg_dry_run ? "Would execute" : "Executing",
2924 method, name, mode);
2925 if (arg_dry_run)
2926 return 0;
2927
2928 r = sd_bus_call_method(
2929 bus,
2930 "org.freedesktop.systemd1",
2931 "/org/freedesktop/systemd1",
2932 "org.freedesktop.systemd1.Manager",
2933 method,
2934 error,
2935 &reply,
2936 "ss", name, mode);
2937 if (r < 0) {
2938 const char *verb;
2939
2940 /* There's always a fallback possible for legacy actions. */
2941 if (arg_action != ACTION_SYSTEMCTL)
2942 return r;
2943
2944 verb = method_to_verb(method);
2945
2946 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2947
2948 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2949 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2950 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2951 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2952 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2953 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2954 name[0] == '-' ? " --" : "",
2955 name);
2956
2957 return r;
2958 }
2959
2960 r = sd_bus_message_read(reply, "o", &path);
2961 if (r < 0)
2962 return bus_log_parse_error(r);
2963
2964 if (need_daemon_reload(bus, name) > 0)
2965 warn_unit_file_changed(name);
2966
2967 if (w) {
2968 log_debug("Adding %s to the set", path);
2969 r = bus_wait_for_jobs_add(w, path);
2970 if (r < 0)
2971 return log_oom();
2972 }
2973
2974 return 0;
2975 }
2976
2977 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2978 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2979 char **name;
2980 int r, i;
2981
2982 assert(bus);
2983 assert(ret);
2984
2985 STRV_FOREACH(name, names) {
2986 char *t;
2987 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2988
2989 if (suffix)
2990 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2991 else
2992 r = unit_name_mangle(*name, options, &t);
2993 if (r < 0)
2994 return log_error_errno(r, "Failed to mangle name: %m");
2995
2996 if (string_is_glob(t))
2997 r = strv_consume(&globs, t);
2998 else
2999 r = strv_consume(&mangled, t);
3000 if (r < 0)
3001 return log_oom();
3002 }
3003
3004 /* Query the manager only if any of the names are a glob, since
3005 * this is fairly expensive */
3006 if (!strv_isempty(globs)) {
3007 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3008 _cleanup_free_ UnitInfo *unit_infos = NULL;
3009 size_t allocated, n;
3010
3011 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
3012 if (r < 0)
3013 return r;
3014
3015 n = strv_length(mangled);
3016 allocated = n + 1;
3017
3018 for (i = 0; i < r; i++) {
3019 if (!GREEDY_REALLOC(mangled, allocated, n+2))
3020 return log_oom();
3021
3022 mangled[n] = strdup(unit_infos[i].id);
3023 if (!mangled[n])
3024 return log_oom();
3025
3026 mangled[++n] = NULL;
3027 }
3028 }
3029
3030 *ret = TAKE_PTR(mangled);
3031
3032 return 0;
3033 }
3034
3035 static const struct {
3036 const char *target;
3037 const char *verb;
3038 const char *mode;
3039 } action_table[_ACTION_MAX] = {
3040 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3041 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3042 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3043 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3044 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3045 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3046 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3047 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3048 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3049 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3050 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3051 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3052 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3053 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3054 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3055 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3056 };
3057
3058 static enum action verb_to_action(const char *verb) {
3059 enum action i;
3060
3061 for (i = 0; i < _ACTION_MAX; i++)
3062 if (streq_ptr(action_table[i].verb, verb))
3063 return i;
3064
3065 return _ACTION_INVALID;
3066 }
3067
3068 static int start_unit(int argc, char *argv[], void *userdata) {
3069 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3070 _cleanup_(wait_context_free) WaitContext wait_context = {};
3071 const char *method, *mode, *one_name, *suffix = NULL;
3072 _cleanup_strv_free_ char **names = NULL;
3073 int r, ret = EXIT_SUCCESS;
3074 sd_bus *bus;
3075 char **name;
3076
3077 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3078 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3079 return -EINVAL;
3080 }
3081
3082 /* we cannot do sender tracking on the private bus, so we need the full
3083 * one for RefUnit to implement --wait */
3084 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3085 if (r < 0)
3086 return r;
3087
3088 ask_password_agent_open_if_enabled();
3089 polkit_agent_open_maybe();
3090
3091 if (arg_action == ACTION_SYSTEMCTL) {
3092 enum action action;
3093
3094 action = verb_to_action(argv[0]);
3095
3096 if (action != _ACTION_INVALID) {
3097 method = "StartUnit";
3098 mode = action_table[action].mode;
3099 one_name = action_table[action].target;
3100 } else {
3101 if (streq(argv[0], "isolate")) {
3102 method = "StartUnit";
3103 mode = "isolate";
3104
3105 suffix = ".target";
3106 } else {
3107 method = verb_to_method(argv[0]);
3108 mode = arg_job_mode;
3109 }
3110 one_name = NULL;
3111 }
3112 } else {
3113 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3114 assert(action_table[arg_action].target);
3115 assert(action_table[arg_action].mode);
3116
3117 method = "StartUnit";
3118 mode = action_table[arg_action].mode;
3119 one_name = action_table[arg_action].target;
3120 }
3121
3122 if (one_name) {
3123 names = strv_new(one_name);
3124 if (!names)
3125 return log_oom();
3126 } else {
3127 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3128 if (r < 0)
3129 return log_error_errno(r, "Failed to expand names: %m");
3130 }
3131
3132 if (!arg_no_block) {
3133 r = bus_wait_for_jobs_new(bus, &w);
3134 if (r < 0)
3135 return log_error_errno(r, "Could not watch jobs: %m");
3136 }
3137
3138 if (arg_wait) {
3139 wait_context.unit_paths = set_new(&string_hash_ops);
3140 if (!wait_context.unit_paths)
3141 return log_oom();
3142
3143 r = sd_bus_call_method_async(
3144 bus,
3145 NULL,
3146 "org.freedesktop.systemd1",
3147 "/org/freedesktop/systemd1",
3148 "org.freedesktop.systemd1.Manager",
3149 "Subscribe",
3150 NULL, NULL,
3151 NULL);
3152 if (r < 0)
3153 return log_error_errno(r, "Failed to enable subscription: %m");
3154 r = sd_event_default(&wait_context.event);
3155 if (r < 0)
3156 return log_error_errno(r, "Failed to allocate event loop: %m");
3157 r = sd_bus_attach_event(bus, wait_context.event, 0);
3158 if (r < 0)
3159 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3160 }
3161
3162 STRV_FOREACH(name, names) {
3163 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3164
3165 r = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3166 if (ret == EXIT_SUCCESS && r < 0)
3167 ret = translate_bus_error_to_exit_status(r, &error);
3168 }
3169
3170 if (!arg_no_block) {
3171 const char* extra_args[4] = {};
3172 int arg_count = 0;
3173
3174 if (arg_scope != UNIT_FILE_SYSTEM)
3175 extra_args[arg_count++] = "--user";
3176
3177 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3178 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3179 extra_args[arg_count++] = "-H";
3180 extra_args[arg_count++] = arg_host;
3181 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3182 extra_args[arg_count++] = "-M";
3183 extra_args[arg_count++] = arg_host;
3184 }
3185
3186 r = bus_wait_for_jobs(w, arg_quiet, extra_args);
3187 if (r < 0)
3188 return r;
3189
3190 /* When stopping units, warn if they can still be triggered by
3191 * another active unit (socket, path, timer) */
3192 if (!arg_quiet && streq(method, "StopUnit"))
3193 STRV_FOREACH(name, names)
3194 (void) check_triggering_units(bus, *name);
3195 }
3196
3197 if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) {
3198 r = sd_event_loop(wait_context.event);
3199 if (r < 0)
3200 return log_error_errno(r, "Failed to run event loop: %m");
3201 if (wait_context.any_failed)
3202 ret = EXIT_FAILURE;
3203 }
3204
3205 return ret;
3206 }
3207
3208 #if ENABLE_LOGIND
3209 static int logind_set_wall_message(void) {
3210 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3211 sd_bus *bus;
3212 _cleanup_free_ char *m = NULL;
3213 int r;
3214
3215 r = acquire_bus(BUS_FULL, &bus);
3216 if (r < 0)
3217 return r;
3218
3219 m = strv_join(arg_wall, " ");
3220 if (!m)
3221 return log_oom();
3222
3223 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3224 if (arg_dry_run)
3225 return 0;
3226
3227 r = sd_bus_call_method(
3228 bus,
3229 "org.freedesktop.login1",
3230 "/org/freedesktop/login1",
3231 "org.freedesktop.login1.Manager",
3232 "SetWallMessage",
3233 &error,
3234 NULL,
3235 "sb",
3236 m,
3237 !arg_no_wall);
3238
3239 if (r < 0)
3240 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3241 return 0;
3242 }
3243 #endif
3244
3245 /* Ask systemd-logind, which might grant access to unprivileged users
3246 * through polkit */
3247 static int logind_reboot(enum action a) {
3248 #if ENABLE_LOGIND
3249 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3250 const char *method, *description;
3251 sd_bus *bus;
3252 int r;
3253
3254 r = acquire_bus(BUS_FULL, &bus);
3255 if (r < 0)
3256 return r;
3257
3258 switch (a) {
3259
3260 case ACTION_POWEROFF:
3261 method = "PowerOff";
3262 description = "power off system";
3263 break;
3264
3265 case ACTION_REBOOT:
3266 method = "Reboot";
3267 description = "reboot system";
3268 break;
3269
3270 case ACTION_HALT:
3271 method = "Halt";
3272 description = "halt system";
3273 break;
3274
3275 case ACTION_SUSPEND:
3276 method = "Suspend";
3277 description = "suspend system";
3278 break;
3279
3280 case ACTION_HIBERNATE:
3281 method = "Hibernate";
3282 description = "hibernate system";
3283 break;
3284
3285 case ACTION_HYBRID_SLEEP:
3286 method = "HybridSleep";
3287 description = "put system into hybrid sleep";
3288 break;
3289
3290 case ACTION_SUSPEND_THEN_HIBERNATE:
3291 method = "SuspendThenHibernate";
3292 description = "put system into suspend followed by hibernate";
3293 break;
3294
3295 default:
3296 return -EINVAL;
3297 }
3298
3299 polkit_agent_open_maybe();
3300 (void) logind_set_wall_message();
3301
3302 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3303 if (arg_dry_run)
3304 return 0;
3305
3306 r = sd_bus_call_method(
3307 bus,
3308 "org.freedesktop.login1",
3309 "/org/freedesktop/login1",
3310 "org.freedesktop.login1.Manager",
3311 method,
3312 &error,
3313 NULL,
3314 "b", arg_ask_password);
3315 if (r < 0)
3316 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3317
3318 return 0;
3319 #else
3320 return -ENOSYS;
3321 #endif
3322 }
3323
3324 static int logind_check_inhibitors(enum action a) {
3325 #if ENABLE_LOGIND
3326 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3327 _cleanup_strv_free_ char **sessions = NULL;
3328 const char *what, *who, *why, *mode;
3329 uint32_t uid, pid;
3330 sd_bus *bus;
3331 unsigned c = 0;
3332 char **s;
3333 int r;
3334
3335 if (arg_ignore_inhibitors || arg_force > 0)
3336 return 0;
3337
3338 if (arg_when > 0)
3339 return 0;
3340
3341 if (geteuid() == 0)
3342 return 0;
3343
3344 if (!on_tty())
3345 return 0;
3346
3347 if (arg_transport != BUS_TRANSPORT_LOCAL)
3348 return 0;
3349
3350 r = acquire_bus(BUS_FULL, &bus);
3351 if (r < 0)
3352 return r;
3353
3354 r = sd_bus_call_method(
3355 bus,
3356 "org.freedesktop.login1",
3357 "/org/freedesktop/login1",
3358 "org.freedesktop.login1.Manager",
3359 "ListInhibitors",
3360 NULL,
3361 &reply,
3362 NULL);
3363 if (r < 0)
3364 /* If logind is not around, then there are no inhibitors... */
3365 return 0;
3366
3367 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3368 if (r < 0)
3369 return bus_log_parse_error(r);
3370
3371 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3372 _cleanup_free_ char *comm = NULL, *user = NULL;
3373 _cleanup_strv_free_ char **sv = NULL;
3374
3375 if (!streq(mode, "block"))
3376 continue;
3377
3378 sv = strv_split(what, ":");
3379 if (!sv)
3380 return log_oom();
3381
3382 if (!pid_is_valid((pid_t) pid)) {
3383 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3384 return -ERANGE;
3385 }
3386
3387 if (!strv_contains(sv,
3388 IN_SET(a,
3389 ACTION_HALT,
3390 ACTION_POWEROFF,
3391 ACTION_REBOOT,
3392 ACTION_KEXEC) ? "shutdown" : "sleep"))
3393 continue;
3394
3395 get_process_comm(pid, &comm);
3396 user = uid_to_name(uid);
3397
3398 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3399 who, (pid_t) pid, strna(comm), strna(user), why);
3400
3401 c++;
3402 }
3403 if (r < 0)
3404 return bus_log_parse_error(r);
3405
3406 r = sd_bus_message_exit_container(reply);
3407 if (r < 0)
3408 return bus_log_parse_error(r);
3409
3410 /* Check for current sessions */
3411 sd_get_sessions(&sessions);
3412 STRV_FOREACH(s, sessions) {
3413 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3414
3415 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3416 continue;
3417
3418 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3419 continue;
3420
3421 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3422 continue;
3423
3424 sd_session_get_tty(*s, &tty);
3425 sd_session_get_seat(*s, &seat);
3426 sd_session_get_service(*s, &service);
3427 user = uid_to_name(uid);
3428
3429 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3430 c++;
3431 }
3432
3433 if (c <= 0)
3434 return 0;
3435
3436 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3437 action_table[a].verb);
3438
3439 return -EPERM;
3440 #else
3441 return 0;
3442 #endif
3443 }
3444
3445 static int logind_prepare_firmware_setup(void) {
3446 #if ENABLE_LOGIND
3447 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3448 sd_bus *bus;
3449 int r;
3450
3451 r = acquire_bus(BUS_FULL, &bus);
3452 if (r < 0)
3453 return r;
3454
3455 r = sd_bus_call_method(
3456 bus,
3457 "org.freedesktop.login1",
3458 "/org/freedesktop/login1",
3459 "org.freedesktop.login1.Manager",
3460 "SetRebootToFirmwareSetup",
3461 &error,
3462 NULL,
3463 "b", true);
3464 if (r < 0)
3465 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3466
3467 return 0;
3468 #else
3469 log_error("Cannot remotely indicate to EFI to boot into setup mode.");
3470 return -ENOSYS;
3471 #endif
3472 }
3473
3474 static int prepare_firmware_setup(void) {
3475 int r;
3476
3477 if (!arg_firmware_setup)
3478 return 0;
3479
3480 if (arg_transport == BUS_TRANSPORT_LOCAL) {
3481
3482 r = efi_set_reboot_to_firmware(true);
3483 if (r < 0)
3484 log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
3485 else
3486 return r;
3487 }
3488
3489 return logind_prepare_firmware_setup();
3490 }
3491
3492 static int load_kexec_kernel(void) {
3493 _cleanup_(boot_config_free) BootConfig config = {};
3494 _cleanup_free_ char *where = NULL, *kernel = NULL, *initrd = NULL, *options = NULL;
3495 const BootEntry *e;
3496 pid_t pid;
3497 int r;
3498
3499 if (kexec_loaded()) {
3500 log_debug("Kexec kernel already loaded.");
3501 return 0;
3502 }
3503
3504 if (access(KEXEC, X_OK) < 0)
3505 return log_error_errno(errno, KEXEC" is not available: %m");
3506
3507 r = find_default_boot_entry(arg_esp_path, &where, &config, &e);
3508 if (r == -ENOKEY) /* find_default_boot_entry() doesn't warn about this case */
3509 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3510 if (r < 0)
3511 /* But it logs about all these cases, hence don't log here again */
3512 return r;
3513
3514 if (strv_length(e->initrd) > 1) {
3515 log_error("Boot entry specifies multiple initrds, which is not supported currently.");
3516 return -EINVAL;
3517 }
3518
3519 kernel = path_join(where, e->kernel);
3520 if (!strv_isempty(e->initrd))
3521 initrd = path_join(where, *e->initrd);
3522 options = strv_join(e->options, " ");
3523 if (!options)
3524 return log_oom();
3525
3526 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3527 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3528 arg_dry_run ? "Would run" : "Running",
3529 kernel,
3530 options,
3531 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3532 if (arg_dry_run)
3533 return 0;
3534
3535 r = safe_fork("(kexec)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
3536 if (r < 0)
3537 return r;
3538 if (r == 0) {
3539 const char* const args[] = {
3540 KEXEC,
3541 "--load", kernel,
3542 "--append", options,
3543 initrd ? "--initrd" : NULL, initrd,
3544 NULL };
3545
3546 /* Child */
3547 execv(args[0], (char * const *) args);
3548 _exit(EXIT_FAILURE);
3549 }
3550
3551 r = wait_for_terminate_and_check("kexec", pid, WAIT_LOG);
3552 if (r < 0)
3553 return r;
3554 if (r > 0)
3555 /* Command failed */
3556 return -EPROTO;
3557 return 0;
3558 }
3559
3560 static int set_exit_code(uint8_t code) {
3561 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3562 sd_bus *bus;
3563 int r;
3564
3565 r = acquire_bus(BUS_MANAGER, &bus);
3566 if (r < 0)
3567 return r;
3568
3569 r = sd_bus_call_method(
3570 bus,
3571 "org.freedesktop.systemd1",
3572 "/org/freedesktop/systemd1",
3573 "org.freedesktop.systemd1.Manager",
3574 "SetExitCode",
3575 &error,
3576 NULL,
3577 "y", code);
3578 if (r < 0)
3579 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3580
3581 return 0;
3582 }
3583
3584 static int start_special(int argc, char *argv[], void *userdata) {
3585 enum action a;
3586 int r;
3587 bool termination_action; /* an action that terminates the manager,
3588 * can be performed also by signal. */
3589
3590 assert(argv);
3591
3592 a = verb_to_action(argv[0]);
3593
3594 r = logind_check_inhibitors(a);
3595 if (r < 0)
3596 return r;
3597
3598 if (arg_force >= 2) {
3599 r = must_be_root();
3600 if (r < 0)
3601 return r;
3602 }
3603
3604 r = prepare_firmware_setup();
3605 if (r < 0)
3606 return r;
3607
3608 if (a == ACTION_REBOOT && argc > 1) {
3609 r = update_reboot_parameter_and_warn(argv[1]);
3610 if (r < 0)
3611 return r;
3612
3613 } else if (a == ACTION_KEXEC) {
3614 r = load_kexec_kernel();
3615 if (r < 0 && arg_force >= 1)
3616 log_notice("Failed to load kexec kernel, continuing without.");
3617 else if (r < 0)
3618 return r;
3619
3620 } else if (a == ACTION_EXIT && argc > 1) {
3621 uint8_t code;
3622
3623 /* If the exit code is not given on the command line,
3624 * don't reset it to zero: just keep it as it might
3625 * have been set previously. */
3626
3627 r = safe_atou8(argv[1], &code);
3628 if (r < 0)
3629 return log_error_errno(r, "Invalid exit code.");
3630
3631 r = set_exit_code(code);
3632 if (r < 0)
3633 return r;
3634 }
3635
3636 termination_action = IN_SET(a,
3637 ACTION_HALT,
3638 ACTION_POWEROFF,
3639 ACTION_REBOOT);
3640 if (termination_action && arg_force >= 2)
3641 return halt_now(a);
3642
3643 if (arg_force >= 1 &&
3644 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3645 r = trivial_method(argc, argv, userdata);
3646 else {
3647 /* First try logind, to allow authentication with polkit */
3648 if (IN_SET(a,
3649 ACTION_POWEROFF,
3650 ACTION_REBOOT,
3651 ACTION_HALT,
3652 ACTION_SUSPEND,
3653 ACTION_HIBERNATE,
3654 ACTION_HYBRID_SLEEP,
3655 ACTION_SUSPEND_THEN_HIBERNATE)) {
3656
3657 r = logind_reboot(a);
3658 if (r >= 0)
3659 return r;
3660 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3661 /* requested operation is not supported or already in progress */
3662 return r;
3663
3664 /* On all other errors, try low-level operation. In order to minimize the difference between
3665 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3666 * logind's shutdown operations are always non-blocking. */
3667
3668 arg_no_block = true;
3669
3670 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3671 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3672 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3673 arg_no_block = true;
3674
3675 r = start_unit(argc, argv, userdata);
3676 }
3677
3678 if (termination_action && arg_force < 2 &&
3679 IN_SET(r, -ENOENT, -ETIMEDOUT))
3680 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3681
3682 return r;
3683 }
3684
3685 static int start_system_special(int argc, char *argv[], void *userdata) {
3686 /* Like start_special above, but raises an error when running in user mode */
3687
3688 if (arg_scope != UNIT_FILE_SYSTEM)
3689 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3690 "Bad action for %s mode.",
3691 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3692
3693 return start_special(argc, argv, userdata);
3694 }
3695
3696 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3697 _cleanup_strv_free_ char **names = NULL;
3698 UnitActiveState active_state;
3699 sd_bus *bus;
3700 char **name;
3701 int r, i;
3702 bool found = false;
3703
3704 r = acquire_bus(BUS_MANAGER, &bus);
3705 if (r < 0)
3706 return r;
3707
3708 r = expand_names(bus, args, NULL, &names);
3709 if (r < 0)
3710 return log_error_errno(r, "Failed to expand names: %m");
3711
3712 STRV_FOREACH(name, names) {
3713 r = get_state_one_unit(bus, *name, &active_state);
3714 if (r < 0)
3715 return r;
3716
3717 if (!arg_quiet)
3718 puts(unit_active_state_to_string(active_state));
3719
3720 for (i = 0; i < nb_states; ++i)
3721 if (good_states[i] == active_state)
3722 found = true;
3723 }
3724
3725 /* use the given return code for the case that we won't find
3726 * any unit which matches the list */
3727 return found ? 0 : code;
3728 }
3729
3730 static int check_unit_active(int argc, char *argv[], void *userdata) {
3731 static const UnitActiveState states[] = {
3732 UNIT_ACTIVE,
3733 UNIT_RELOADING,
3734 };
3735
3736 /* According to LSB: 3, "program is not running" */
3737 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3738 }
3739
3740 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3741 static const UnitActiveState states[] = {
3742 UNIT_FAILED,
3743 };
3744
3745 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3746 }
3747
3748 static int kill_unit(int argc, char *argv[], void *userdata) {
3749 _cleanup_strv_free_ char **names = NULL;
3750 char *kill_who = NULL, **name;
3751 sd_bus *bus;
3752 int r, q;
3753
3754 r = acquire_bus(BUS_MANAGER, &bus);
3755 if (r < 0)
3756 return r;
3757
3758 polkit_agent_open_maybe();
3759
3760 if (!arg_kill_who)
3761 arg_kill_who = "all";
3762
3763 /* --fail was specified */
3764 if (streq(arg_job_mode, "fail"))
3765 kill_who = strjoina(arg_kill_who, "-fail");
3766
3767 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3768 if (r < 0)
3769 return log_error_errno(r, "Failed to expand names: %m");
3770
3771 STRV_FOREACH(name, names) {
3772 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3773
3774 q = sd_bus_call_method(
3775 bus,
3776 "org.freedesktop.systemd1",
3777 "/org/freedesktop/systemd1",
3778 "org.freedesktop.systemd1.Manager",
3779 "KillUnit",
3780 &error,
3781 NULL,
3782 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3783 if (q < 0) {
3784 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3785 if (r == 0)
3786 r = q;
3787 }
3788 }
3789
3790 return r;
3791 }
3792
3793 typedef struct ExecStatusInfo {
3794 char *name;
3795
3796 char *path;
3797 char **argv;
3798
3799 bool ignore;
3800
3801 usec_t start_timestamp;
3802 usec_t exit_timestamp;
3803 pid_t pid;
3804 int code;
3805 int status;
3806
3807 LIST_FIELDS(struct ExecStatusInfo, exec);
3808 } ExecStatusInfo;
3809
3810 static void exec_status_info_free(ExecStatusInfo *i) {
3811 assert(i);
3812
3813 free(i->name);
3814 free(i->path);
3815 strv_free(i->argv);
3816 free(i);
3817 }
3818
3819 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3820 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3821 const char *path;
3822 uint32_t pid;
3823 int32_t code, status;
3824 int ignore, r;
3825
3826 assert(m);
3827 assert(i);
3828
3829 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3830 if (r < 0)
3831 return bus_log_parse_error(r);
3832 else if (r == 0)
3833 return 0;
3834
3835 r = sd_bus_message_read(m, "s", &path);
3836 if (r < 0)
3837 return bus_log_parse_error(r);
3838
3839 i->path = strdup(path);
3840 if (!i->path)
3841 return log_oom();
3842
3843 r = sd_bus_message_read_strv(m, &i->argv);
3844 if (r < 0)
3845 return bus_log_parse_error(r);
3846
3847 r = sd_bus_message_read(m,
3848 "bttttuii",
3849 &ignore,
3850 &start_timestamp, &start_timestamp_monotonic,
3851 &exit_timestamp, &exit_timestamp_monotonic,
3852 &pid,
3853 &code, &status);
3854 if (r < 0)
3855 return bus_log_parse_error(r);
3856
3857 i->ignore = ignore;
3858 i->start_timestamp = (usec_t) start_timestamp;
3859 i->exit_timestamp = (usec_t) exit_timestamp;
3860 i->pid = (pid_t) pid;
3861 i->code = code;
3862 i->status = status;
3863
3864 r = sd_bus_message_exit_container(m);
3865 if (r < 0)
3866 return bus_log_parse_error(r);
3867
3868 return 1;
3869 }
3870
3871 typedef struct UnitCondition {
3872 char *name;
3873 char *param;
3874 bool trigger;
3875 bool negate;
3876 int tristate;
3877
3878 LIST_FIELDS(struct UnitCondition, conditions);
3879 } UnitCondition;
3880
3881 static void unit_condition_free(UnitCondition *c) {
3882 if (!c)
3883 return;
3884
3885 free(c->name);
3886 free(c->param);
3887 free(c);
3888 }
3889
3890 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3891
3892 typedef struct UnitStatusInfo {
3893 const char *id;
3894 const char *load_state;
3895 const char *active_state;
3896 const char *sub_state;
3897 const char *unit_file_state;
3898 const char *unit_file_preset;
3899
3900 const char *description;
3901 const char *following;
3902
3903 char **documentation;
3904
3905 const char *fragment_path;
3906 const char *source_path;
3907 const char *control_group;
3908
3909 char **dropin_paths;
3910
3911 const char *load_error;
3912 const char *result;
3913
3914 usec_t inactive_exit_timestamp;
3915 usec_t inactive_exit_timestamp_monotonic;
3916 usec_t active_enter_timestamp;
3917 usec_t active_exit_timestamp;
3918 usec_t inactive_enter_timestamp;
3919
3920 bool need_daemon_reload;
3921 bool transient;
3922
3923 /* Service */
3924 pid_t main_pid;
3925 pid_t control_pid;
3926 const char *status_text;
3927 const char *pid_file;
3928 bool running:1;
3929 int status_errno;
3930
3931 usec_t start_timestamp;
3932 usec_t exit_timestamp;
3933
3934 int exit_code, exit_status;
3935
3936 usec_t condition_timestamp;
3937 bool condition_result;
3938 LIST_HEAD(UnitCondition, conditions);
3939
3940 usec_t assert_timestamp;
3941 bool assert_result;
3942 bool failed_assert_trigger;
3943 bool failed_assert_negate;
3944 const char *failed_assert;
3945 const char *failed_assert_parameter;
3946 usec_t next_elapse_real;
3947 usec_t next_elapse_monotonic;
3948
3949 /* Socket */
3950 unsigned n_accepted;
3951 unsigned n_connections;
3952 unsigned n_refused;
3953 bool accept;
3954
3955 /* Pairs of type, path */
3956 char **listen;
3957
3958 /* Device */
3959 const char *sysfs_path;
3960
3961 /* Mount, Automount */
3962 const char *where;
3963
3964 /* Swap */
3965 const char *what;
3966
3967 /* CGroup */
3968 uint64_t memory_current;
3969 uint64_t memory_min;
3970 uint64_t memory_low;
3971 uint64_t memory_high;
3972 uint64_t memory_max;
3973 uint64_t memory_swap_max;
3974 uint64_t memory_limit;
3975 uint64_t cpu_usage_nsec;
3976 uint64_t tasks_current;
3977 uint64_t tasks_max;
3978
3979 uint64_t ip_ingress_bytes;
3980 uint64_t ip_egress_bytes;
3981
3982 LIST_HEAD(ExecStatusInfo, exec);
3983 } UnitStatusInfo;
3984
3985 static void unit_status_info_free(UnitStatusInfo *info) {
3986 ExecStatusInfo *p;
3987 UnitCondition *c;
3988
3989 strv_free(info->documentation);
3990 strv_free(info->dropin_paths);
3991 strv_free(info->listen);
3992
3993 while ((c = info->conditions)) {
3994 LIST_REMOVE(conditions, info->conditions, c);
3995 unit_condition_free(c);
3996 }
3997
3998 while ((p = info->exec)) {
3999 LIST_REMOVE(exec, info->exec, p);
4000 exec_status_info_free(p);
4001 }
4002 }
4003
4004 static void print_status_info(
4005 sd_bus *bus,
4006 UnitStatusInfo *i,
4007 bool *ellipsized) {
4008
4009 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4010 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4011 _cleanup_free_ char *formatted_path = NULL;
4012 ExecStatusInfo *p;
4013 usec_t timestamp;
4014 const char *path;
4015 char **t, **t2;
4016 int r;
4017
4018 assert(i);
4019
4020 /* This shows pretty information about a unit. See
4021 * print_property() for a low-level property printer */
4022
4023 if (streq_ptr(i->active_state, "failed")) {
4024 active_on = ansi_highlight_red();
4025 active_off = ansi_normal();
4026 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4027 active_on = ansi_highlight_green();
4028 active_off = ansi_normal();
4029 } else
4030 active_on = active_off = "";
4031
4032 printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id));
4033
4034 if (i->description && !streq_ptr(i->id, i->description))
4035 printf(" - %s", i->description);
4036
4037 printf("\n");
4038
4039 if (i->following)
4040 printf(" Follow: unit currently follows state of %s\n", i->following);
4041
4042 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4043 on = ansi_highlight_red();
4044 off = ansi_normal();
4045 } else
4046 on = off = "";
4047
4048 path = i->source_path ?: i->fragment_path;
4049 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4050 path = formatted_path;
4051
4052 if (!isempty(i->load_error))
4053 printf(" Loaded: %s%s%s (Reason: %s)\n",
4054 on, strna(i->load_state), off, i->load_error);
4055 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4056 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4057 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4058 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4059 else if (path && !isempty(i->unit_file_state))
4060 printf(" Loaded: %s%s%s (%s; %s)\n",
4061 on, strna(i->load_state), off, path, i->unit_file_state);
4062 else if (path)
4063 printf(" Loaded: %s%s%s (%s)\n",
4064 on, strna(i->load_state), off, path);
4065 else
4066 printf(" Loaded: %s%s%s\n",
4067 on, strna(i->load_state), off);
4068
4069 if (i->transient)
4070 printf("Transient: yes\n");
4071
4072 if (!strv_isempty(i->dropin_paths)) {
4073 _cleanup_free_ char *dir = NULL;
4074 bool last = false;
4075 char ** dropin;
4076
4077 STRV_FOREACH(dropin, i->dropin_paths) {
4078 _cleanup_free_ char *dropin_formatted = NULL;
4079 const char *df;
4080
4081 if (!dir || last) {
4082 printf(dir ? " " :
4083 " Drop-In: ");
4084
4085 dir = mfree(dir);
4086
4087 dir = dirname_malloc(*dropin);
4088 if (!dir) {
4089 log_oom();
4090 return;
4091 }
4092
4093 printf("%s\n"
4094 " %s", dir,
4095 special_glyph(TREE_RIGHT));
4096 }
4097
4098 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4099
4100 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4101 df = dropin_formatted;
4102 else
4103 df = *dropin;
4104
4105 printf("%s%s", df, last ? "\n" : ", ");
4106 }
4107 }
4108
4109 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4110 if (ss)
4111 printf(" Active: %s%s (%s)%s",
4112 active_on, strna(i->active_state), ss, active_off);
4113 else
4114 printf(" Active: %s%s%s",
4115 active_on, strna(i->active_state), active_off);
4116
4117 if (!isempty(i->result) && !streq(i->result, "success"))
4118 printf(" (Result: %s)", i->result);
4119
4120 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4121 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4122 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4123 i->active_exit_timestamp;
4124
4125 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4126 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4127
4128 if (s1)
4129 printf(" since %s; %s\n", s2, s1);
4130 else if (s2)
4131 printf(" since %s\n", s2);
4132 else
4133 printf("\n");
4134
4135 if (endswith(i->id, ".timer")) {
4136 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4137 tstamp2[FORMAT_TIMESTAMP_MAX];
4138 const char *next_rel_time, *next_time;
4139 dual_timestamp nw, next = {i->next_elapse_real,
4140 i->next_elapse_monotonic};
4141 usec_t next_elapse;
4142
4143 printf(" Trigger: ");
4144
4145 dual_timestamp_get(&nw);
4146 next_elapse = calc_next_elapse(&nw, &next);
4147 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4148 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4149
4150 if (next_time && next_rel_time)
4151 printf("%s; %s\n", next_time, next_rel_time);
4152 else
4153 printf("n/a\n");
4154 }
4155
4156 if (!i->condition_result && i->condition_timestamp > 0) {
4157 UnitCondition *c;
4158 int n = 0;
4159
4160 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4161 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4162
4163 printf("Condition: start %scondition failed%s at %s%s%s\n",
4164 ansi_highlight_yellow(), ansi_normal(),
4165 s2, s1 ? "; " : "", strempty(s1));
4166
4167 LIST_FOREACH(conditions, c, i->conditions)
4168 if (c->tristate < 0)
4169 n++;
4170
4171 LIST_FOREACH(conditions, c, i->conditions)
4172 if (c->tristate < 0)
4173 printf(" %s %s=%s%s%s was not met\n",
4174 --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT),
4175 c->name,
4176 c->trigger ? "|" : "",
4177 c->negate ? "!" : "",
4178 c->param);
4179 }
4180
4181 if (!i->assert_result && i->assert_timestamp > 0) {
4182 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4183 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4184
4185 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4186 ansi_highlight_red(), ansi_normal(),
4187 s2, s1 ? "; " : "", strempty(s1));
4188 if (i->failed_assert_trigger)
4189 printf(" none of the trigger assertions were met\n");
4190 else if (i->failed_assert)
4191 printf(" %s=%s%s was not met\n",
4192 i->failed_assert,
4193 i->failed_assert_negate ? "!" : "",
4194 i->failed_assert_parameter);
4195 }
4196
4197 if (i->sysfs_path)
4198 printf(" Device: %s\n", i->sysfs_path);
4199 if (i->where)
4200 printf(" Where: %s\n", i->where);
4201 if (i->what)
4202 printf(" What: %s\n", i->what);
4203
4204 STRV_FOREACH(t, i->documentation) {
4205 _cleanup_free_ char *formatted = NULL;
4206 const char *q;
4207
4208 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4209 q = formatted;
4210 else
4211 q = *t;
4212
4213 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4214 }
4215
4216 STRV_FOREACH_PAIR(t, t2, i->listen)
4217 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4218
4219 if (i->accept) {
4220 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4221 if (i->n_refused)
4222 printf(" Refused: %u", i->n_refused);
4223 printf("\n");
4224 }
4225
4226 LIST_FOREACH(exec, p, i->exec) {
4227 _cleanup_free_ char *argv = NULL;
4228 bool good;
4229
4230 /* Only show exited processes here */
4231 if (p->code == 0)
4232 continue;
4233
4234 argv = strv_join(p->argv, " ");
4235 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4236
4237 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4238 if (!good) {
4239 on = ansi_highlight_red();
4240 off = ansi_normal();
4241 } else
4242 on = off = "";
4243
4244 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4245
4246 if (p->code == CLD_EXITED) {
4247 const char *c;
4248
4249 printf("status=%i", p->status);
4250
4251 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4252 if (c)
4253 printf("/%s", c);
4254
4255 } else
4256 printf("signal=%s", signal_to_string(p->status));
4257
4258 printf(")%s\n", off);
4259
4260 if (i->main_pid == p->pid &&
4261 i->start_timestamp == p->start_timestamp &&
4262 i->exit_timestamp == p->start_timestamp)
4263 /* Let's not show this twice */
4264 i->main_pid = 0;
4265
4266 if (p->pid == i->control_pid)
4267 i->control_pid = 0;
4268 }
4269
4270 if (i->main_pid > 0 || i->control_pid > 0) {
4271 if (i->main_pid > 0) {
4272 printf(" Main PID: "PID_FMT, i->main_pid);
4273
4274 if (i->running) {
4275
4276 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4277 _cleanup_free_ char *comm = NULL;
4278
4279 (void) get_process_comm(i->main_pid, &comm);
4280 if (comm)
4281 printf(" (%s)", comm);
4282 }
4283
4284 } else if (i->exit_code > 0) {
4285 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4286
4287 if (i->exit_code == CLD_EXITED) {
4288 const char *c;
4289
4290 printf("status=%i", i->exit_status);
4291
4292 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4293 if (c)
4294 printf("/%s", c);
4295
4296 } else
4297 printf("signal=%s", signal_to_string(i->exit_status));
4298 printf(")");
4299 }
4300 }
4301
4302 if (i->control_pid > 0) {
4303 _cleanup_free_ char *c = NULL;
4304
4305 if (i->main_pid > 0)
4306 fputs("; Control PID: ", stdout);
4307 else
4308 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4309
4310 printf(PID_FMT, i->control_pid);
4311
4312 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4313 (void) get_process_comm(i->control_pid, &c);
4314 if (c)
4315 printf(" (%s)", c);
4316 }
4317 }
4318
4319 printf("\n");
4320 }
4321
4322 if (i->status_text)
4323 printf(" Status: \"%s\"\n", i->status_text);
4324 if (i->status_errno > 0)
4325 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4326
4327 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4328 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4329
4330 printf(" IP: %s in, %s out\n",
4331 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4332 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4333 }
4334
4335 if (i->tasks_current != (uint64_t) -1) {
4336 printf(" Tasks: %" PRIu64, i->tasks_current);
4337
4338 if (i->tasks_max != (uint64_t) -1)
4339 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4340 else
4341 printf("\n");
4342 }
4343
4344 if (i->memory_current != (uint64_t) -1) {
4345 char buf[FORMAT_BYTES_MAX];
4346
4347 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4348
4349 if (i->memory_min > 0 || i->memory_low > 0 ||
4350 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4351 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4352 i->memory_limit != CGROUP_LIMIT_MAX) {
4353 const char *prefix = "";
4354
4355 printf(" (");
4356 if (i->memory_min > 0) {
4357 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4358 prefix = " ";
4359 }
4360 if (i->memory_low > 0) {
4361 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4362 prefix = " ";
4363 }
4364 if (i->memory_high != CGROUP_LIMIT_MAX) {
4365 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4366 prefix = " ";
4367 }
4368 if (i->memory_max != CGROUP_LIMIT_MAX) {
4369 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4370 prefix = " ";
4371 }
4372 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4373 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4374 prefix = " ";
4375 }
4376 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4377 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4378 prefix = " ";
4379 }
4380 printf(")");
4381 }
4382 printf("\n");
4383 }
4384
4385 if (i->cpu_usage_nsec != (uint64_t) -1) {
4386 char buf[FORMAT_TIMESPAN_MAX];
4387 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4388 }
4389
4390 if (i->control_group) {
4391 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4392 static const char prefix[] = " ";
4393 unsigned c;
4394
4395 printf(" CGroup: %s\n", i->control_group);
4396
4397 c = columns();
4398 if (c > sizeof(prefix) - 1)
4399 c -= sizeof(prefix) - 1;
4400 else
4401 c = 0;
4402
4403 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4404 if (r == -EBADR) {
4405 unsigned k = 0;
4406 pid_t extra[2];
4407
4408 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4409
4410 if (i->main_pid > 0)
4411 extra[k++] = i->main_pid;
4412
4413 if (i->control_pid > 0)
4414 extra[k++] = i->control_pid;
4415
4416 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4417 } else if (r < 0)
4418 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4419 }
4420
4421 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4422 show_journal_by_unit(
4423 stdout,
4424 i->id,
4425 arg_output,
4426 0,
4427 i->inactive_exit_timestamp_monotonic,
4428 arg_lines,
4429 getuid(),
4430 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4431 SD_JOURNAL_LOCAL_ONLY,
4432 arg_scope == UNIT_FILE_SYSTEM,
4433 ellipsized);
4434
4435 if (i->need_daemon_reload)
4436 warn_unit_file_changed(i->id);
4437 }
4438
4439 static void show_unit_help(UnitStatusInfo *i) {
4440 char **p;
4441
4442 assert(i);
4443
4444 if (!i->documentation) {
4445 log_info("Documentation for %s not known.", i->id);
4446 return;
4447 }
4448
4449 STRV_FOREACH(p, i->documentation)
4450 if (startswith(*p, "man:"))
4451 show_man_page(*p + 4, false);
4452 else
4453 log_info("Can't show: %s", *p);
4454 }
4455
4456 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4457 UnitStatusInfo *i = userdata;
4458 uint32_t u;
4459 int r;
4460
4461 r = sd_bus_message_read(m, "u", &u);
4462 if (r < 0)
4463 return r;
4464
4465 i->main_pid = (pid_t) u;
4466 i->running = u > 0;
4467
4468 return 0;
4469 }
4470
4471 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4472 const char *message, **p = userdata;
4473 int r;
4474
4475 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4476 if (r < 0)
4477 return r;
4478
4479 if (!isempty(message))
4480 *p = message;
4481
4482 return 0;
4483 }
4484
4485 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4486 const char *type, *path;
4487 char ***p = userdata;
4488 int r;
4489
4490 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4491 if (r < 0)
4492 return r;
4493
4494 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4495
4496 r = strv_extend(p, type);
4497 if (r < 0)
4498 return r;
4499
4500 r = strv_extend(p, path);
4501 if (r < 0)
4502 return r;
4503 }
4504 if (r < 0)
4505 return r;
4506
4507 r = sd_bus_message_exit_container(m);
4508 if (r < 0)
4509 return r;
4510
4511 return 0;
4512 }
4513
4514 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4515 UnitStatusInfo *i = userdata;
4516 const char *cond, *param;
4517 int trigger, negate;
4518 int32_t state;
4519 int r;
4520
4521 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4522 if (r < 0)
4523 return r;
4524
4525 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4526 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4527
4528 c = new0(UnitCondition, 1);
4529 if (!c)
4530 return -ENOMEM;
4531
4532 c->name = strdup(cond);
4533 c->param = strdup(param);
4534 if (!c->name || !c->param)
4535 return -ENOMEM;
4536
4537 c->trigger = trigger;
4538 c->negate = negate;
4539 c->tristate = state;
4540
4541 LIST_PREPEND(conditions, i->conditions, c);
4542 c = NULL;
4543 }
4544 if (r < 0)
4545 return r;
4546
4547 r = sd_bus_message_exit_container(m);
4548 if (r < 0)
4549 return r;
4550
4551 return 0;
4552 }
4553
4554 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4555 UnitStatusInfo *i = userdata;
4556 const char *cond, *param;
4557 int trigger, negate;
4558 int32_t state;
4559 int r;
4560
4561 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4562 if (r < 0)
4563 return r;
4564
4565 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4566 if (state < 0 && (!trigger || !i->failed_assert)) {
4567 i->failed_assert = cond;
4568 i->failed_assert_trigger = trigger;
4569 i->failed_assert_negate = negate;
4570 i->failed_assert_parameter = param;
4571 }
4572 }
4573 if (r < 0)
4574 return r;
4575
4576 r = sd_bus_message_exit_container(m);
4577 if (r < 0)
4578 return r;
4579
4580 return 0;
4581 }
4582
4583 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4584 _cleanup_free_ ExecStatusInfo *info = NULL;
4585 ExecStatusInfo *last;
4586 UnitStatusInfo *i = userdata;
4587 int r;
4588
4589 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4590 if (r < 0)
4591 return r;
4592
4593 info = new0(ExecStatusInfo, 1);
4594 if (!info)
4595 return -ENOMEM;
4596
4597 LIST_FIND_TAIL(exec, i->exec, last);
4598
4599 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4600
4601 info->name = strdup(member);
4602 if (!info->name)
4603 return -ENOMEM;
4604
4605 LIST_INSERT_AFTER(exec, i->exec, last, info);
4606 last = info;
4607
4608 info = new0(ExecStatusInfo, 1);
4609 if (!info)
4610 return -ENOMEM;
4611 }
4612 if (r < 0)
4613 return r;
4614
4615 r = sd_bus_message_exit_container(m);
4616 if (r < 0)
4617 return r;
4618
4619 return 0;
4620 }
4621
4622 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4623 char bus_type;
4624 const char *contents;
4625 int r;
4626
4627 assert(name);
4628 assert(m);
4629
4630 /* This is a low-level property printer, see
4631 * print_status_info() for the nicer output */
4632
4633 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4634 if (r < 0)
4635 return r;
4636
4637 switch (bus_type) {
4638
4639 case SD_BUS_TYPE_STRUCT:
4640
4641 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4642 uint32_t u;
4643
4644 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4645 if (r < 0)
4646 return bus_log_parse_error(r);
4647
4648 if (u > 0)
4649 bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
4650 else if (all)
4651 bus_print_property_value(name, expected_value, value, "%s", "");
4652
4653 return 1;
4654
4655 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4656 const char *s;
4657
4658 r = sd_bus_message_read(m, "(so)", &s, NULL);
4659 if (r < 0)
4660 return bus_log_parse_error(r);
4661
4662 if (all || !isempty(s))
4663 bus_print_property_value(name, expected_value, value, "%s", s);
4664
4665 return 1;
4666
4667 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4668 const char *a = NULL, *b = NULL;
4669
4670 r = sd_bus_message_read(m, "(ss)", &a, &b);
4671 if (r < 0)
4672 return bus_log_parse_error(r);
4673
4674 if (all || !isempty(a) || !isempty(b))
4675 bus_print_property_value(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4676
4677 return 1;
4678 } else if (streq_ptr(name, "SystemCallFilter")) {
4679 _cleanup_strv_free_ char **l = NULL;
4680 int whitelist;
4681
4682 r = sd_bus_message_enter_container(m, 'r', "bas");
4683 if (r < 0)
4684 return bus_log_parse_error(r);
4685
4686 r = sd_bus_message_read(m, "b", &whitelist);
4687 if (r < 0)
4688 return bus_log_parse_error(r);
4689
4690 r = sd_bus_message_read_strv(m, &l);
4691 if (r < 0)
4692 return bus_log_parse_error(r);
4693
4694 r = sd_bus_message_exit_container(m);
4695 if (r < 0)
4696 return bus_log_parse_error(r);
4697
4698 if (all || whitelist || !strv_isempty(l)) {
4699 bool first = true;
4700 char **i;
4701
4702 if (!value) {
4703 fputs(name, stdout);
4704 fputc('=', stdout);
4705 }
4706
4707 if (!whitelist)
4708 fputc('~', stdout);
4709
4710 STRV_FOREACH(i, l) {
4711 if (first)
4712 first = false;
4713 else
4714 fputc(' ', stdout);
4715
4716 fputs(*i, stdout);
4717 }
4718 fputc('\n', stdout);
4719 }
4720
4721 return 1;
4722 }
4723
4724 break;
4725
4726 case SD_BUS_TYPE_ARRAY:
4727
4728 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4729 const char *path;
4730 int ignore;
4731
4732 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4733 if (r < 0)
4734 return bus_log_parse_error(r);
4735
4736 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4737 bus_print_property_value(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4738
4739 if (r < 0)
4740 return bus_log_parse_error(r);
4741
4742 r = sd_bus_message_exit_container(m);
4743 if (r < 0)
4744 return bus_log_parse_error(r);
4745
4746 return 1;
4747
4748 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4749 const char *type, *path;
4750
4751 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4752 if (r < 0)
4753 return bus_log_parse_error(r);
4754
4755 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4756 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4757 if (r < 0)
4758 return bus_log_parse_error(r);
4759
4760 r = sd_bus_message_exit_container(m);
4761 if (r < 0)
4762 return bus_log_parse_error(r);
4763
4764 return 1;
4765
4766 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4767 const char *type, *path;
4768
4769 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4770 if (r < 0)
4771 return bus_log_parse_error(r);
4772
4773 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4774 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4775 if (r < 0)
4776 return bus_log_parse_error(r);
4777
4778 r = sd_bus_message_exit_container(m);
4779 if (r < 0)
4780 return bus_log_parse_error(r);
4781
4782 return 1;
4783
4784 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4785 const char *base;
4786 uint64_t v, next_elapse;
4787
4788 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4789 if (r < 0)
4790 return bus_log_parse_error(r);
4791
4792 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4793 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4794
4795 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
4796 format_timespan(timespan1, sizeof(timespan1), v, 0),
4797 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4798 }
4799 if (r < 0)
4800 return bus_log_parse_error(r);
4801
4802 r = sd_bus_message_exit_container(m);
4803 if (r < 0)
4804 return bus_log_parse_error(r);
4805
4806 return 1;
4807
4808 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
4809 const char *base, *spec;
4810 uint64_t next_elapse;
4811
4812 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
4813 if (r < 0)
4814 return bus_log_parse_error(r);
4815
4816 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
4817 char timestamp[FORMAT_TIMESTAMP_MAX];
4818
4819 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
4820 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
4821 }
4822 if (r < 0)
4823 return bus_log_parse_error(r);
4824
4825 r = sd_bus_message_exit_container(m);
4826 if (r < 0)
4827 return bus_log_parse_error(r);
4828
4829 return 1;
4830
4831 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4832 ExecStatusInfo info = {};
4833
4834 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4835 if (r < 0)
4836 return bus_log_parse_error(r);
4837
4838 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4839 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4840 _cleanup_free_ char *tt;
4841
4842 tt = strv_join(info.argv, " ");
4843
4844 bus_print_property_value(name, expected_value, value,
4845 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
4846 strna(info.path),
4847 strna(tt),
4848 yes_no(info.ignore),
4849 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4850 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4851 info.pid,
4852 sigchld_code_to_string(info.code),
4853 info.status,
4854 info.code == CLD_EXITED ? "" : "/",
4855 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4856
4857 free(info.path);
4858 strv_free(info.argv);
4859 zero(info);
4860 }
4861
4862 r = sd_bus_message_exit_container(m);
4863 if (r < 0)
4864 return bus_log_parse_error(r);
4865
4866 return 1;
4867
4868 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4869 const char *path, *rwm;
4870
4871 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4872 if (r < 0)
4873 return bus_log_parse_error(r);
4874
4875 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4876 bus_print_property_value(name, expected_value, value, "%s %s", strna(path), strna(rwm));
4877 if (r < 0)
4878 return bus_log_parse_error(r);
4879
4880 r = sd_bus_message_exit_container(m);
4881 if (r < 0)
4882 return bus_log_parse_error(r);
4883
4884 return 1;
4885
4886 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4887 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
4888 const char *path;
4889 uint64_t weight;
4890
4891 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4892 if (r < 0)
4893 return bus_log_parse_error(r);
4894
4895 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4896 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
4897 if (r < 0)
4898 return bus_log_parse_error(r);
4899
4900 r = sd_bus_message_exit_container(m);
4901 if (r < 0)
4902 return bus_log_parse_error(r);
4903
4904 return 1;
4905
4906 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4907 (cgroup_io_limit_type_from_string(name) >= 0 ||
4908 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
4909 const char *path;
4910 uint64_t bandwidth;
4911
4912 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4913 if (r < 0)
4914 return bus_log_parse_error(r);
4915
4916 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
4917 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
4918 if (r < 0)
4919 return bus_log_parse_error(r);
4920
4921 r = sd_bus_message_exit_container(m);
4922 if (r < 0)
4923 return bus_log_parse_error(r);
4924
4925 return 1;
4926
4927 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4928 streq(name, "IODeviceLatencyTargetUSec")) {
4929 char ts[FORMAT_TIMESPAN_MAX];
4930 const char *path;
4931 uint64_t target;
4932
4933 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4934 if (r < 0)
4935 return bus_log_parse_error(r);
4936
4937 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
4938 bus_print_property_value(name, expected_value, value, "%s %s", strna(path),
4939 format_timespan(ts, sizeof(ts), target, 1));
4940 if (r < 0)
4941 return bus_log_parse_error(r);
4942
4943 r = sd_bus_message_exit_container(m);
4944 if (r < 0)
4945 return bus_log_parse_error(r);
4946
4947 return 1;
4948
4949 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
4950 _cleanup_free_ char *h = NULL;
4951 const void *p;
4952 size_t sz;
4953 ssize_t n;
4954
4955 r = sd_bus_message_read_array(m, 'y', &p, &sz);
4956 if (r < 0)
4957 return bus_log_parse_error(r);
4958
4959 n = base64mem(p, sz, &h);
4960 if (n < 0)
4961 return log_oom();
4962
4963 bus_print_property_value(name, expected_value, value, "%s", h);
4964
4965 return 1;
4966 }
4967
4968 break;
4969 }
4970
4971 return 0;
4972 }
4973
4974 typedef enum SystemctlShowMode{
4975 SYSTEMCTL_SHOW_PROPERTIES,
4976 SYSTEMCTL_SHOW_STATUS,
4977 SYSTEMCTL_SHOW_HELP,
4978 _SYSTEMCTL_SHOW_MODE_MAX,
4979 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
4980 } SystemctlShowMode;
4981
4982 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
4983 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
4984 [SYSTEMCTL_SHOW_STATUS] = "status",
4985 [SYSTEMCTL_SHOW_HELP] = "help",
4986 };
4987
4988 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
4989
4990 static int show_one(
4991 sd_bus *bus,
4992 const char *path,
4993 const char *unit,
4994 SystemctlShowMode show_mode,
4995 bool *new_line,
4996 bool *ellipsized) {
4997
4998 static const struct bus_properties_map property_map[] = {
4999 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5000 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5001 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5002 {}
5003 }, status_map[] = {
5004 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5005 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5006 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5007 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5008 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5009 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5010 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5011 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5012 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5013 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5014 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5015 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5016 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5017 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5018 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5019 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5020 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5021 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5022 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5023 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5024 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5025 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5026 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5027 { "MainPID", "u", map_main_pid, 0 },
5028 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5029 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5030 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5031 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5032 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5033 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5034 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5035 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5036 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5037 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5038 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5039 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5040 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5041 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5042 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5043 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5044 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5045 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5046 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5047 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5048 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5049 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5050 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5051 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5052 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5053 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5054 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5055 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5056 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5057 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5058 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5059 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5060 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5061 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5062 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5063 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5064 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5065 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5066 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5067 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5068 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5069 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5070 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5071 {}
5072 };
5073
5074 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5075 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5076 _cleanup_set_free_ Set *found_properties = NULL;
5077 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5078 .memory_current = (uint64_t) -1,
5079 .memory_high = CGROUP_LIMIT_MAX,
5080 .memory_max = CGROUP_LIMIT_MAX,
5081 .memory_swap_max = CGROUP_LIMIT_MAX,
5082 .memory_limit = (uint64_t) -1,
5083 .cpu_usage_nsec = (uint64_t) -1,
5084 .tasks_current = (uint64_t) -1,
5085 .tasks_max = (uint64_t) -1,
5086 .ip_ingress_bytes = (uint64_t) -1,
5087 .ip_egress_bytes = (uint64_t) -1,
5088 };
5089 char **pp;
5090 int r;
5091
5092 assert(path);
5093 assert(new_line);
5094
5095 log_debug("Showing one %s", path);
5096
5097 r = bus_map_all_properties(
5098 bus,
5099 "org.freedesktop.systemd1",
5100 path,
5101 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5102 BUS_MAP_BOOLEAN_AS_BOOL,
5103 &error,
5104 &reply,
5105 &info);
5106 if (r < 0)
5107 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5108
5109 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5110 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5111 "Unit %s could not be found.", unit);
5112
5113 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5114 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5115 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5116 return -ENOENT;
5117 }
5118
5119 if (*new_line)
5120 printf("\n");
5121
5122 *new_line = true;
5123
5124 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5125 print_status_info(bus, &info, ellipsized);
5126
5127 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5128 return EXIT_PROGRAM_NOT_RUNNING;
5129
5130 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5131
5132 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5133 show_unit_help(&info);
5134 return 0;
5135 }
5136
5137 r = sd_bus_message_rewind(reply, true);
5138 if (r < 0)
5139 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5140
5141 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5142 if (r < 0)
5143 return bus_log_parse_error(r);
5144
5145 STRV_FOREACH(pp, arg_properties)
5146 if (!set_contains(found_properties, *pp))
5147 log_debug("Property %s does not exist.", *pp);
5148
5149 return 0;
5150 }
5151
5152 static int get_unit_dbus_path_by_pid(
5153 sd_bus *bus,
5154 uint32_t pid,
5155 char **unit) {
5156
5157 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5158 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5159 char *u;
5160 int r;
5161
5162 r = sd_bus_call_method(
5163 bus,
5164 "org.freedesktop.systemd1",
5165 "/org/freedesktop/systemd1",
5166 "org.freedesktop.systemd1.Manager",
5167 "GetUnitByPID",
5168 &error,
5169 &reply,
5170 "u", pid);
5171 if (r < 0)
5172 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5173
5174 r = sd_bus_message_read(reply, "o", &u);
5175 if (r < 0)
5176 return bus_log_parse_error(r);
5177
5178 u = strdup(u);
5179 if (!u)
5180 return log_oom();
5181
5182 *unit = u;
5183 return 0;
5184 }
5185
5186 static int show_all(
5187 sd_bus *bus,
5188 bool *new_line,
5189 bool *ellipsized) {
5190
5191 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5192 _cleanup_free_ UnitInfo *unit_infos = NULL;
5193 const UnitInfo *u;
5194 unsigned c;
5195 int r, ret = 0;
5196
5197 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5198 if (r < 0)
5199 return r;
5200
5201 (void) pager_open(arg_pager_flags);
5202
5203 c = (unsigned) r;
5204
5205 typesafe_qsort(unit_infos, c, compare_unit_info);
5206
5207 for (u = unit_infos; u < unit_infos + c; u++) {
5208 _cleanup_free_ char *p = NULL;
5209
5210 p = unit_dbus_path_from_name(u->id);
5211 if (!p)
5212 return log_oom();
5213
5214 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5215 if (r < 0)
5216 return r;
5217 else if (r > 0 && ret == 0)
5218 ret = r;
5219 }
5220
5221 return ret;
5222 }
5223
5224 static int show_system_status(sd_bus *bus) {
5225 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5226 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5227 _cleanup_(machine_info_clear) struct machine_info mi = {};
5228 _cleanup_free_ char *hn = NULL;
5229 const char *on, *off;
5230 int r;
5231
5232 hn = gethostname_malloc();
5233 if (!hn)
5234 return log_oom();
5235
5236 r = bus_map_all_properties(
5237 bus,
5238 "org.freedesktop.systemd1",
5239 "/org/freedesktop/systemd1",
5240 machine_info_property_map,
5241 BUS_MAP_STRDUP,
5242 &error,
5243 NULL,
5244 &mi);
5245 if (r < 0)
5246 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5247
5248 if (streq_ptr(mi.state, "degraded")) {
5249 on = ansi_highlight_red();
5250 off = ansi_normal();
5251 } else if (streq_ptr(mi.state, "running")) {
5252 on = ansi_highlight_green();
5253 off = ansi_normal();
5254 } else {
5255 on = ansi_highlight_yellow();
5256 off = ansi_normal();
5257 }
5258
5259 printf("%s%s%s %s\n", on, special_glyph(BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5260
5261 printf(" State: %s%s%s\n",
5262 on, strna(mi.state), off);
5263
5264 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5265 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5266
5267 printf(" Since: %s; %s\n",
5268 format_timestamp(since2, sizeof(since2), mi.timestamp),
5269 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5270
5271 printf(" CGroup: %s\n", mi.control_group ?: "/");
5272 if (IN_SET(arg_transport,
5273 BUS_TRANSPORT_LOCAL,
5274 BUS_TRANSPORT_MACHINE)) {
5275 static const char prefix[] = " ";
5276 unsigned c;
5277
5278 c = columns();
5279 if (c > sizeof(prefix) - 1)
5280 c -= sizeof(prefix) - 1;
5281 else
5282 c = 0;
5283
5284 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5285 }
5286
5287 return 0;
5288 }
5289
5290 static int show(int argc, char *argv[], void *userdata) {
5291 bool new_line = false, ellipsized = false;
5292 SystemctlShowMode show_mode;
5293 int r, ret = 0;
5294 sd_bus *bus;
5295
5296 assert(argv);
5297
5298 show_mode = systemctl_show_mode_from_string(argv[0]);
5299 if (show_mode < 0)
5300 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5301 "Invalid argument.");
5302
5303 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5304 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5305 "This command expects one or more unit names. Did you mean --help?");
5306
5307 r = acquire_bus(BUS_MANAGER, &bus);
5308 if (r < 0)
5309 return r;
5310
5311 (void) pager_open(arg_pager_flags);
5312
5313 /* If no argument is specified inspect the manager itself */
5314 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5315 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5316
5317 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5318
5319 show_system_status(bus);
5320 new_line = true;
5321
5322 if (arg_all)
5323 ret = show_all(bus, &new_line, &ellipsized);
5324 } else {
5325 _cleanup_free_ char **patterns = NULL;
5326 char **name;
5327
5328 STRV_FOREACH(name, strv_skip(argv, 1)) {
5329 _cleanup_free_ char *path = NULL, *unit = NULL;
5330 uint32_t id;
5331
5332 if (safe_atou32(*name, &id) < 0) {
5333 if (strv_push(&patterns, *name) < 0)
5334 return log_oom();
5335
5336 continue;
5337 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5338 /* Interpret as job id */
5339 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5340 return log_oom();
5341
5342 } else {
5343 /* Interpret as PID */
5344 r = get_unit_dbus_path_by_pid(bus, id, &path);
5345 if (r < 0) {
5346 ret = r;
5347 continue;
5348 }
5349
5350 r = unit_name_from_dbus_path(path, &unit);
5351 if (r < 0)
5352 return log_oom();
5353 }
5354
5355 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5356 if (r < 0)
5357 return r;
5358 else if (r > 0 && ret == 0)
5359 ret = r;
5360 }
5361
5362 if (!strv_isempty(patterns)) {
5363 _cleanup_strv_free_ char **names = NULL;
5364
5365 r = expand_names(bus, patterns, NULL, &names);
5366 if (r < 0)
5367 return log_error_errno(r, "Failed to expand names: %m");
5368
5369 STRV_FOREACH(name, names) {
5370 _cleanup_free_ char *path;
5371
5372 path = unit_dbus_path_from_name(*name);
5373 if (!path)
5374 return log_oom();
5375
5376 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5377 if (r < 0)
5378 return r;
5379 if (r > 0 && ret == 0)
5380 ret = r;
5381 }
5382 }
5383 }
5384
5385 if (ellipsized && !arg_quiet)
5386 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5387
5388 return ret;
5389 }
5390
5391 static int cat(int argc, char *argv[], void *userdata) {
5392 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5393 _cleanup_strv_free_ char **names = NULL;
5394 char **name;
5395 sd_bus *bus;
5396 bool first = true;
5397 int r;
5398
5399 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5400 log_error("Cannot remotely cat units.");
5401 return -EINVAL;
5402 }
5403
5404 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5405 if (r < 0)
5406 return log_error_errno(r, "Failed to determine unit paths: %m");
5407
5408 r = acquire_bus(BUS_MANAGER, &bus);
5409 if (r < 0)
5410 return r;
5411
5412 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5413 if (r < 0)
5414 return log_error_errno(r, "Failed to expand names: %m");
5415
5416 (void) pager_open(arg_pager_flags);
5417
5418 STRV_FOREACH(name, names) {
5419 _cleanup_free_ char *fragment_path = NULL;
5420 _cleanup_strv_free_ char **dropin_paths = NULL;
5421
5422 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5423 if (r == -ERFKILL) {
5424 printf("%s# Unit %s is masked%s.\n",
5425 ansi_highlight_magenta(),
5426 *name,
5427 ansi_normal());
5428 continue;
5429 }
5430 if (r == -EKEYREJECTED) {
5431 printf("%s# Unit %s could not be loaded.%s\n",
5432 ansi_highlight_magenta(),
5433 *name,
5434 ansi_normal());
5435 continue;
5436 }
5437 if (r < 0)
5438 return r;
5439 if (r == 0)
5440 return -ENOENT;
5441
5442 if (first)
5443 first = false;
5444 else
5445 puts("");
5446
5447 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5448 fprintf(stderr,
5449 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5450 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5451 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5452 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5453 ansi_highlight_red(),
5454 *name,
5455 ansi_highlight_red(),
5456 ansi_highlight_red(),
5457 ansi_highlight_red(),
5458 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5459 ansi_normal());
5460
5461 r = cat_files(fragment_path, dropin_paths, 0);
5462 if (r < 0)
5463 return r;
5464 }
5465
5466 return 0;
5467 }
5468
5469 static int set_property(int argc, char *argv[], void *userdata) {
5470 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5471 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5472 _cleanup_free_ char *n = NULL;
5473 UnitType t;
5474 sd_bus *bus;
5475 int r;
5476
5477 r = acquire_bus(BUS_MANAGER, &bus);
5478 if (r < 0)
5479 return r;
5480
5481 polkit_agent_open_maybe();
5482
5483 r = sd_bus_message_new_method_call(
5484 bus,
5485 &m,
5486 "org.freedesktop.systemd1",
5487 "/org/freedesktop/systemd1",
5488 "org.freedesktop.systemd1.Manager",
5489 "SetUnitProperties");
5490 if (r < 0)
5491 return bus_log_create_error(r);
5492
5493 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5494 if (r < 0)
5495 return log_error_errno(r, "Failed to mangle unit name: %m");
5496
5497 t = unit_name_to_type(n);
5498 if (t < 0) {
5499 log_error("Invalid unit type: %s", n);
5500 return -EINVAL;
5501 }
5502
5503 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5504 if (r < 0)
5505 return bus_log_create_error(r);
5506
5507 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5508 if (r < 0)
5509 return bus_log_create_error(r);
5510
5511 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5512 if (r < 0)
5513 return r;
5514
5515 r = sd_bus_message_close_container(m);
5516 if (r < 0)
5517 return bus_log_create_error(r);
5518
5519 r = sd_bus_call(bus, m, 0, &error, NULL);
5520 if (r < 0)
5521 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5522
5523 return 0;
5524 }
5525
5526 static int daemon_reload(int argc, char *argv[], void *userdata) {
5527 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5528 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5529 const char *method;
5530 sd_bus *bus;
5531 int r;
5532
5533 r = acquire_bus(BUS_MANAGER, &bus);
5534 if (r < 0)
5535 return r;
5536
5537 polkit_agent_open_maybe();
5538
5539 switch (arg_action) {
5540
5541 case ACTION_RELOAD:
5542 method = "Reload";
5543 break;
5544
5545 case ACTION_REEXEC:
5546 method = "Reexecute";
5547 break;
5548
5549 case ACTION_SYSTEMCTL:
5550 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5551 /* "daemon-reload" */ "Reload";
5552 break;
5553
5554 default:
5555 assert_not_reached("Unexpected action");
5556 }
5557
5558 r = sd_bus_message_new_method_call(
5559 bus,
5560 &m,
5561 "org.freedesktop.systemd1",
5562 "/org/freedesktop/systemd1",
5563 "org.freedesktop.systemd1.Manager",
5564 method);
5565 if (r < 0)
5566 return bus_log_create_error(r);
5567
5568 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5569 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5570 * their timeout, and for everything else there's the same time budget in place. */
5571
5572 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5573
5574 /* On reexecution, we expect a disconnect, not a reply */
5575 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
5576 r = 0;
5577
5578 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5579 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
5580
5581 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5582 * old ways of doing things, hence don't log any error in that case here. */
5583
5584 return r < 0 ? r : 0;
5585 }
5586
5587 static int trivial_method(int argc, char *argv[], void *userdata) {
5588 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5589 const char *method;
5590 sd_bus *bus;
5591 int r;
5592
5593 if (arg_dry_run)
5594 return 0;
5595
5596 r = acquire_bus(BUS_MANAGER, &bus);
5597 if (r < 0)
5598 return r;
5599
5600 polkit_agent_open_maybe();
5601
5602 method =
5603 streq(argv[0], "clear-jobs") ||
5604 streq(argv[0], "cancel") ? "ClearJobs" :
5605 streq(argv[0], "reset-failed") ? "ResetFailed" :
5606 streq(argv[0], "halt") ? "Halt" :
5607 streq(argv[0], "reboot") ? "Reboot" :
5608 streq(argv[0], "kexec") ? "KExec" :
5609 streq(argv[0], "exit") ? "Exit" :
5610 /* poweroff */ "PowerOff";
5611
5612 r = sd_bus_call_method(
5613 bus,
5614 "org.freedesktop.systemd1",
5615 "/org/freedesktop/systemd1",
5616 "org.freedesktop.systemd1.Manager",
5617 method,
5618 &error,
5619 NULL,
5620 NULL);
5621 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5622 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
5623
5624 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5625 * old ways of doing things, hence don't log any error in that case here. */
5626
5627 return r < 0 ? r : 0;
5628 }
5629
5630 static int reset_failed(int argc, char *argv[], void *userdata) {
5631 _cleanup_strv_free_ char **names = NULL;
5632 sd_bus *bus;
5633 char **name;
5634 int r, q;
5635
5636 if (argc <= 1)
5637 return trivial_method(argc, argv, userdata);
5638
5639 r = acquire_bus(BUS_MANAGER, &bus);
5640 if (r < 0)
5641 return r;
5642
5643 polkit_agent_open_maybe();
5644
5645 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5646 if (r < 0)
5647 return log_error_errno(r, "Failed to expand names: %m");
5648
5649 STRV_FOREACH(name, names) {
5650 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5651
5652 q = sd_bus_call_method(
5653 bus,
5654 "org.freedesktop.systemd1",
5655 "/org/freedesktop/systemd1",
5656 "org.freedesktop.systemd1.Manager",
5657 "ResetFailedUnit",
5658 &error,
5659 NULL,
5660 "s", *name);
5661 if (q < 0) {
5662 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
5663 if (r == 0)
5664 r = q;
5665 }
5666 }
5667
5668 return r;
5669 }
5670
5671 static int print_variable(const char *s) {
5672 const char *sep;
5673 _cleanup_free_ char *esc = NULL;
5674
5675 sep = strchr(s, '=');
5676 if (!sep)
5677 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
5678 "Invalid environment block");
5679
5680 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
5681 if (!esc)
5682 return log_oom();
5683
5684 printf("%.*s=%s\n", (int)(sep-s), s, esc);
5685 return 0;
5686 }
5687
5688 static int show_environment(int argc, char *argv[], void *userdata) {
5689 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5690 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5691 const char *text;
5692 sd_bus *bus;
5693 int r;
5694
5695 r = acquire_bus(BUS_MANAGER, &bus);
5696 if (r < 0)
5697 return r;
5698
5699 (void) pager_open(arg_pager_flags);
5700
5701 r = sd_bus_get_property(
5702 bus,
5703 "org.freedesktop.systemd1",
5704 "/org/freedesktop/systemd1",
5705 "org.freedesktop.systemd1.Manager",
5706 "Environment",
5707 &error,
5708 &reply,
5709 "as");
5710 if (r < 0)
5711 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
5712
5713 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
5714 if (r < 0)
5715 return bus_log_parse_error(r);
5716
5717 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
5718 r = print_variable(text);
5719 if (r < 0)
5720 return r;
5721 }
5722 if (r < 0)
5723 return bus_log_parse_error(r);
5724
5725 r = sd_bus_message_exit_container(reply);
5726 if (r < 0)
5727 return bus_log_parse_error(r);
5728
5729 return 0;
5730 }
5731
5732 static int switch_root(int argc, char *argv[], void *userdata) {
5733 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5734 _cleanup_free_ char *cmdline_init = NULL;
5735 const char *root, *init;
5736 sd_bus *bus;
5737 int r;
5738
5739 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5740 log_error("Cannot switch root remotely.");
5741 return -EINVAL;
5742 }
5743
5744 if (argc < 2 || argc > 3) {
5745 log_error("Wrong number of arguments.");
5746 return -EINVAL;
5747 }
5748
5749 root = argv[1];
5750
5751 if (argc >= 3)
5752 init = argv[2];
5753 else {
5754 r = proc_cmdline_get_key("init", 0, &cmdline_init);
5755 if (r < 0)
5756 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
5757
5758 init = cmdline_init;
5759 }
5760
5761 init = empty_to_null(init);
5762 if (init) {
5763 const char *root_systemd_path = NULL, *root_init_path = NULL;
5764
5765 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
5766 root_init_path = strjoina(root, "/", init);
5767
5768 /* If the passed init is actually the same as the
5769 * systemd binary, then let's suppress it. */
5770 if (files_same(root_init_path, root_systemd_path, 0) > 0)
5771 init = NULL;
5772 }
5773
5774 /* Instruct PID1 to exclude us from its killing spree applied during
5775 * the transition. Otherwise we would exit with a failure status even
5776 * though the switch to the new root has succeed. */
5777 argv_cmdline[0] = '@';
5778
5779 r = acquire_bus(BUS_MANAGER, &bus);
5780 if (r < 0)
5781 return r;
5782
5783 /* If we are slow to exit after the root switch, the new systemd instance
5784 * will send us a signal to terminate. Just ignore it and exit normally.
5785 * This way the unit does not end up as failed.
5786 */
5787 r = ignore_signals(SIGTERM, -1);
5788 if (r < 0)
5789 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
5790
5791 log_debug("Switching root - root: %s; init: %s", root, strna(init));
5792
5793 r = sd_bus_call_method(
5794 bus,
5795 "org.freedesktop.systemd1",
5796 "/org/freedesktop/systemd1",
5797 "org.freedesktop.systemd1.Manager",
5798 "SwitchRoot",
5799 &error,
5800 NULL,
5801 "ss", root, init);
5802 if (r < 0) {
5803 (void) default_signals(SIGTERM, -1);
5804
5805 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
5806 }
5807
5808 return 0;
5809 }
5810
5811 static int set_environment(int argc, char *argv[], void *userdata) {
5812 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5813 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5814 const char *method;
5815 sd_bus *bus;
5816 int r;
5817
5818 assert(argc > 1);
5819 assert(argv);
5820
5821 r = acquire_bus(BUS_MANAGER, &bus);
5822 if (r < 0)
5823 return r;
5824
5825 polkit_agent_open_maybe();
5826
5827 method = streq(argv[0], "set-environment")
5828 ? "SetEnvironment"
5829 : "UnsetEnvironment";
5830
5831 r = sd_bus_message_new_method_call(
5832 bus,
5833 &m,
5834 "org.freedesktop.systemd1",
5835 "/org/freedesktop/systemd1",
5836 "org.freedesktop.systemd1.Manager",
5837 method);
5838 if (r < 0)
5839 return bus_log_create_error(r);
5840
5841 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
5842 if (r < 0)
5843 return bus_log_create_error(r);
5844
5845 r = sd_bus_call(bus, m, 0, &error, NULL);
5846 if (r < 0)
5847 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
5848
5849 return 0;
5850 }
5851
5852 static int import_environment(int argc, char *argv[], void *userdata) {
5853 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5854 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5855 sd_bus *bus;
5856 int r;
5857
5858 r = acquire_bus(BUS_MANAGER, &bus);
5859 if (r < 0)
5860 return r;
5861
5862 polkit_agent_open_maybe();
5863
5864 r = sd_bus_message_new_method_call(
5865 bus,
5866 &m,
5867 "org.freedesktop.systemd1",
5868 "/org/freedesktop/systemd1",
5869 "org.freedesktop.systemd1.Manager",
5870 "SetEnvironment");
5871 if (r < 0)
5872 return bus_log_create_error(r);
5873
5874 if (argc < 2)
5875 r = sd_bus_message_append_strv(m, environ);
5876 else {
5877 char **a, **b;
5878
5879 r = sd_bus_message_open_container(m, 'a', "s");
5880 if (r < 0)
5881 return bus_log_create_error(r);
5882
5883 STRV_FOREACH(a, strv_skip(argv, 1)) {
5884
5885 if (!env_name_is_valid(*a)) {
5886 log_error("Not a valid environment variable name: %s", *a);
5887 return -EINVAL;
5888 }
5889
5890 STRV_FOREACH(b, environ) {
5891 const char *eq;
5892
5893 eq = startswith(*b, *a);
5894 if (eq && *eq == '=') {
5895
5896 r = sd_bus_message_append(m, "s", *b);
5897 if (r < 0)
5898 return bus_log_create_error(r);
5899
5900 break;
5901 }
5902 }
5903 }
5904
5905 r = sd_bus_message_close_container(m);
5906 }
5907 if (r < 0)
5908 return bus_log_create_error(r);
5909
5910 r = sd_bus_call(bus, m, 0, &error, NULL);
5911 if (r < 0)
5912 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
5913
5914 return 0;
5915 }
5916
5917 static int enable_sysv_units(const char *verb, char **args) {
5918 int r = 0;
5919
5920 #if HAVE_SYSV_COMPAT
5921 _cleanup_(lookup_paths_free) LookupPaths paths = {};
5922 unsigned f = 0;
5923
5924 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
5925
5926 if (arg_scope != UNIT_FILE_SYSTEM)
5927 return 0;
5928
5929 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
5930 return 0;
5931
5932 if (!STR_IN_SET(verb,
5933 "enable",
5934 "disable",
5935 "is-enabled"))
5936 return 0;
5937
5938 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
5939 if (r < 0)
5940 return r;
5941
5942 r = 0;
5943 while (args[f]) {
5944
5945 const char *argv[] = {
5946 ROOTLIBEXECDIR "/systemd-sysv-install",
5947 NULL,
5948 NULL,
5949 NULL,
5950 NULL,
5951 };
5952
5953 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5954 bool found_native = false, found_sysv;
5955 const char *name;
5956 unsigned c = 1;
5957 pid_t pid;
5958 int j;
5959
5960 name = args[f++];
5961
5962 if (!endswith(name, ".service"))
5963 continue;
5964
5965 if (path_is_absolute(name))
5966 continue;
5967
5968 j = unit_file_exists(arg_scope, &paths, name);
5969 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
5970 return log_error_errno(j, "Failed to lookup unit file state: %m");
5971 found_native = j != 0;
5972
5973 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
5974 * prefer the native unit */
5975 if (found_native && streq(verb, "is-enabled"))
5976 continue;
5977
5978 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
5979 if (!p)
5980 return log_oom();
5981
5982 p[strlen(p) - STRLEN(".service")] = 0;
5983 found_sysv = access(p, F_OK) >= 0;
5984 if (!found_sysv)
5985 continue;
5986
5987 if (!arg_quiet) {
5988 if (found_native)
5989 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
5990 else
5991 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
5992 }
5993
5994 if (!isempty(arg_root))
5995 argv[c++] = q = strappend("--root=", arg_root);
5996
5997 argv[c++] = verb;
5998 argv[c++] = basename(p);
5999 argv[c] = NULL;
6000
6001 l = strv_join((char**)argv, " ");
6002 if (!l)
6003 return log_oom();
6004
6005 if (!arg_quiet)
6006 log_info("Executing: %s", l);
6007
6008 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
6009 if (j < 0)
6010 return j;
6011 if (j == 0) {
6012 /* Child */
6013 execv(argv[0], (char**) argv);
6014 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6015 _exit(EXIT_FAILURE);
6016 }
6017
6018 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6019 if (j < 0)
6020 return j;
6021 if (streq(verb, "is-enabled")) {
6022 if (j == EXIT_SUCCESS) {
6023 if (!arg_quiet)
6024 puts("enabled");
6025 r = 1;
6026 } else {
6027 if (!arg_quiet)
6028 puts("disabled");
6029 }
6030
6031 } else if (j != EXIT_SUCCESS)
6032 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6033
6034 if (found_native)
6035 continue;
6036
6037 /* Remove this entry, so that we don't try enabling it as native unit */
6038 assert(f > 0);
6039 f--;
6040 assert(args[f] == name);
6041 strv_remove(args, name);
6042 }
6043
6044 #endif
6045 return r;
6046 }
6047
6048 static int mangle_names(char **original_names, char ***mangled_names) {
6049 char **i, **l, **name;
6050 int r;
6051
6052 l = i = new(char*, strv_length(original_names) + 1);
6053 if (!l)
6054 return log_oom();
6055
6056 STRV_FOREACH(name, original_names) {
6057
6058 /* When enabling units qualified path names are OK,
6059 * too, hence allow them explicitly. */
6060
6061 if (is_path(*name)) {
6062 *i = strdup(*name);
6063 if (!*i) {
6064 strv_free(l);
6065 return log_oom();
6066 }
6067 } else {
6068 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6069 if (r < 0) {
6070 *i = NULL;
6071 strv_free(l);
6072 return log_error_errno(r, "Failed to mangle unit name: %m");
6073 }
6074 }
6075
6076 i++;
6077 }
6078
6079 *i = NULL;
6080 *mangled_names = l;
6081
6082 return 0;
6083 }
6084
6085 static int normalize_filenames(char **names) {
6086 char **u;
6087 int r;
6088
6089 STRV_FOREACH(u, names)
6090 if (!path_is_absolute(*u)) {
6091 char* normalized_path;
6092
6093 if (!isempty(arg_root))
6094 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6095 "Non-absolute paths are not allowed when --root is used: %s",
6096 *u);
6097
6098 if (!strchr(*u,'/'))
6099 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6100 "Link argument does contain at least one directory separator: %s",
6101 *u);
6102
6103 r = path_make_absolute_cwd(*u, &normalized_path);
6104 if (r < 0)
6105 return r;
6106
6107 free_and_replace(*u, normalized_path);
6108 }
6109
6110 return 0;
6111 }
6112
6113 static int normalize_names(char **names, bool warn_if_path) {
6114 char **u;
6115 bool was_path = false;
6116
6117 STRV_FOREACH(u, names) {
6118 int r;
6119
6120 if (!is_path(*u))
6121 continue;
6122
6123 r = free_and_strdup(u, basename(*u));
6124 if (r < 0)
6125 return log_error_errno(r, "Failed to normalize unit file path: %m");
6126
6127 was_path = true;
6128 }
6129
6130 if (warn_if_path && was_path)
6131 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6132
6133 return 0;
6134 }
6135
6136 static int unit_exists(LookupPaths *lp, const char *unit) {
6137 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6138 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6139 _cleanup_free_ char *path = NULL;
6140 static const struct bus_properties_map property_map[] = {
6141 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6142 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6143 {},
6144 };
6145 UnitStatusInfo info = {};
6146 sd_bus *bus;
6147 int r;
6148
6149 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6150 return unit_find_template_path(unit, lp, NULL, NULL);
6151
6152 path = unit_dbus_path_from_name(unit);
6153 if (!path)
6154 return log_oom();
6155
6156 r = acquire_bus(BUS_MANAGER, &bus);
6157 if (r < 0)
6158 return r;
6159
6160 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6161 if (r < 0)
6162 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6163
6164 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6165 }
6166
6167 static int enable_unit(int argc, char *argv[], void *userdata) {
6168 _cleanup_strv_free_ char **names = NULL;
6169 const char *verb = argv[0];
6170 UnitFileChange *changes = NULL;
6171 size_t n_changes = 0;
6172 int carries_install_info = -1;
6173 bool ignore_carries_install_info = arg_quiet;
6174 int r;
6175
6176 if (!argv[1])
6177 return 0;
6178
6179 r = mangle_names(strv_skip(argv, 1), &names);
6180 if (r < 0)
6181 return r;
6182
6183 r = enable_sysv_units(verb, names);
6184 if (r < 0)
6185 return r;
6186
6187 /* If the operation was fully executed by the SysV compat, let's finish early */
6188 if (strv_isempty(names)) {
6189 if (arg_no_reload || install_client_side())
6190 return 0;
6191 return daemon_reload(argc, argv, userdata);
6192 }
6193
6194 if (streq(verb, "disable")) {
6195 r = normalize_names(names, true);
6196 if (r < 0)
6197 return r;
6198 }
6199
6200 if (streq(verb, "link")) {
6201 r = normalize_filenames(names);
6202 if (r < 0)
6203 return r;
6204 }
6205
6206 if (install_client_side()) {
6207 UnitFileFlags flags;
6208
6209 flags = args_to_flags();
6210 if (streq(verb, "enable")) {
6211 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6212 carries_install_info = r;
6213 } else if (streq(verb, "disable"))
6214 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6215 else if (streq(verb, "reenable")) {
6216 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6217 carries_install_info = r;
6218 } else if (streq(verb, "link"))
6219 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6220 else if (streq(verb, "preset")) {
6221 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6222 } else if (streq(verb, "mask"))
6223 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6224 else if (streq(verb, "unmask"))
6225 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6226 else if (streq(verb, "revert"))
6227 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6228 else
6229 assert_not_reached("Unknown verb");
6230
6231 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6232 if (r < 0)
6233 goto finish;
6234 r = 0;
6235 } else {
6236 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6237 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6238 bool expect_carries_install_info = false;
6239 bool send_runtime = true, send_force = true, send_preset_mode = false;
6240 const char *method;
6241 sd_bus *bus;
6242
6243 if (STR_IN_SET(verb, "mask", "unmask")) {
6244 char **name;
6245 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6246
6247 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6248 if (r < 0)
6249 return r;
6250
6251 STRV_FOREACH(name, names) {
6252 r = unit_exists(&lp, *name);
6253 if (r < 0)
6254 return r;
6255 if (r == 0)
6256 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6257 }
6258 }
6259
6260 r = acquire_bus(BUS_MANAGER, &bus);
6261 if (r < 0)
6262 return r;
6263
6264 polkit_agent_open_maybe();
6265
6266 if (streq(verb, "enable")) {
6267 method = "EnableUnitFiles";
6268 expect_carries_install_info = true;
6269 } else if (streq(verb, "disable")) {
6270 method = "DisableUnitFiles";
6271 send_force = false;
6272 } else if (streq(verb, "reenable")) {
6273 method = "ReenableUnitFiles";
6274 expect_carries_install_info = true;
6275 } else if (streq(verb, "link"))
6276 method = "LinkUnitFiles";
6277 else if (streq(verb, "preset")) {
6278
6279 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6280 method = "PresetUnitFilesWithMode";
6281 send_preset_mode = true;
6282 } else
6283 method = "PresetUnitFiles";
6284
6285 expect_carries_install_info = true;
6286 ignore_carries_install_info = true;
6287 } else if (streq(verb, "mask"))
6288 method = "MaskUnitFiles";
6289 else if (streq(verb, "unmask")) {
6290 method = "UnmaskUnitFiles";
6291 send_force = false;
6292 } else if (streq(verb, "revert")) {
6293 method = "RevertUnitFiles";
6294 send_runtime = send_force = false;
6295 } else
6296 assert_not_reached("Unknown verb");
6297
6298 r = sd_bus_message_new_method_call(
6299 bus,
6300 &m,
6301 "org.freedesktop.systemd1",
6302 "/org/freedesktop/systemd1",
6303 "org.freedesktop.systemd1.Manager",
6304 method);
6305 if (r < 0)
6306 return bus_log_create_error(r);
6307
6308 r = sd_bus_message_append_strv(m, names);
6309 if (r < 0)
6310 return bus_log_create_error(r);
6311
6312 if (send_preset_mode) {
6313 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6314 if (r < 0)
6315 return bus_log_create_error(r);
6316 }
6317
6318 if (send_runtime) {
6319 r = sd_bus_message_append(m, "b", arg_runtime);
6320 if (r < 0)
6321 return bus_log_create_error(r);
6322 }
6323
6324 if (send_force) {
6325 r = sd_bus_message_append(m, "b", arg_force);
6326 if (r < 0)
6327 return bus_log_create_error(r);
6328 }
6329
6330 r = sd_bus_call(bus, m, 0, &error, &reply);
6331 if (r < 0)
6332 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6333
6334 if (expect_carries_install_info) {
6335 r = sd_bus_message_read(reply, "b", &carries_install_info);
6336 if (r < 0)
6337 return bus_log_parse_error(r);
6338 }
6339
6340 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6341 if (r < 0)
6342 goto finish;
6343
6344 /* Try to reload if enabled */
6345 if (!arg_no_reload)
6346 r = daemon_reload(argc, argv, userdata);
6347 else
6348 r = 0;
6349 }
6350
6351 if (carries_install_info == 0 && !ignore_carries_install_info)
6352 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6353 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6354 "units). This means they are not meant to be enabled using systemctl.\n \n"
6355 "Possible reasons for having this kind of units are:\n"
6356 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6357 " .wants/ or .requires/ directory.\n"
6358 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6359 " a requirement dependency on it.\n"
6360 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6361 " D-Bus, udev, scripted systemctl call, ...).\n"
6362 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6363 " instance name specified.",
6364 special_glyph(BULLET));
6365
6366 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6367 sd_bus *bus;
6368 size_t len, i;
6369
6370 r = acquire_bus(BUS_MANAGER, &bus);
6371 if (r < 0)
6372 goto finish;
6373
6374 len = strv_length(names);
6375 {
6376 char *new_args[len + 2];
6377
6378 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6379 for (i = 0; i < len; i++)
6380 new_args[i + 1] = basename(names[i]);
6381 new_args[i + 1] = NULL;
6382
6383 r = start_unit(len + 1, new_args, userdata);
6384 }
6385 }
6386
6387 finish:
6388 unit_file_changes_free(changes, n_changes);
6389
6390 return r;
6391 }
6392
6393 static int add_dependency(int argc, char *argv[], void *userdata) {
6394 _cleanup_strv_free_ char **names = NULL;
6395 _cleanup_free_ char *target = NULL;
6396 const char *verb = argv[0];
6397 UnitFileChange *changes = NULL;
6398 size_t n_changes = 0;
6399 UnitDependency dep;
6400 int r = 0;
6401
6402 if (!argv[1])
6403 return 0;
6404
6405 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6406 if (r < 0)
6407 return log_error_errno(r, "Failed to mangle unit name: %m");
6408
6409 r = mangle_names(strv_skip(argv, 2), &names);
6410 if (r < 0)
6411 return r;
6412
6413 if (streq(verb, "add-wants"))
6414 dep = UNIT_WANTS;
6415 else if (streq(verb, "add-requires"))
6416 dep = UNIT_REQUIRES;
6417 else
6418 assert_not_reached("Unknown verb");
6419
6420 if (install_client_side()) {
6421 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6422 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6423
6424 if (r > 0)
6425 r = 0;
6426 } else {
6427 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6428 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6429 sd_bus *bus;
6430
6431 r = acquire_bus(BUS_MANAGER, &bus);
6432 if (r < 0)
6433 return r;
6434
6435 polkit_agent_open_maybe();
6436
6437 r = sd_bus_message_new_method_call(
6438 bus,
6439 &m,
6440 "org.freedesktop.systemd1",
6441 "/org/freedesktop/systemd1",
6442 "org.freedesktop.systemd1.Manager",
6443 "AddDependencyUnitFiles");
6444 if (r < 0)
6445 return bus_log_create_error(r);
6446
6447 r = sd_bus_message_append_strv(m, names);
6448 if (r < 0)
6449 return bus_log_create_error(r);
6450
6451 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6452 if (r < 0)
6453 return bus_log_create_error(r);
6454
6455 r = sd_bus_call(bus, m, 0, &error, &reply);
6456 if (r < 0)
6457 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6458
6459 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6460 if (r < 0)
6461 goto finish;
6462
6463 if (arg_no_reload) {
6464 r = 0;
6465 goto finish;
6466 }
6467
6468 r = daemon_reload(argc, argv, userdata);
6469 }
6470
6471 finish:
6472 unit_file_changes_free(changes, n_changes);
6473
6474 return r;
6475 }
6476
6477 static int preset_all(int argc, char *argv[], void *userdata) {
6478 UnitFileChange *changes = NULL;
6479 size_t n_changes = 0;
6480 int r;
6481
6482 if (install_client_side()) {
6483 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6484 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6485
6486 if (r > 0)
6487 r = 0;
6488 } else {
6489 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6490 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6491 sd_bus *bus;
6492
6493 r = acquire_bus(BUS_MANAGER, &bus);
6494 if (r < 0)
6495 return r;
6496
6497 polkit_agent_open_maybe();
6498
6499 r = sd_bus_call_method(
6500 bus,
6501 "org.freedesktop.systemd1",
6502 "/org/freedesktop/systemd1",
6503 "org.freedesktop.systemd1.Manager",
6504 "PresetAllUnitFiles",
6505 &error,
6506 &reply,
6507 "sbb",
6508 unit_file_preset_mode_to_string(arg_preset_mode),
6509 arg_runtime,
6510 arg_force);
6511 if (r < 0)
6512 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6513
6514 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6515 if (r < 0)
6516 goto finish;
6517
6518 if (arg_no_reload) {
6519 r = 0;
6520 goto finish;
6521 }
6522
6523 r = daemon_reload(argc, argv, userdata);
6524 }
6525
6526 finish:
6527 unit_file_changes_free(changes, n_changes);
6528
6529 return r;
6530 }
6531
6532 static int show_installation_targets_client_side(const char *name) {
6533 UnitFileChange *changes = NULL;
6534 size_t n_changes = 0, i;
6535 UnitFileFlags flags;
6536 char **p;
6537 int r;
6538
6539 p = STRV_MAKE(name);
6540 flags = UNIT_FILE_DRY_RUN |
6541 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6542
6543 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6544 if (r < 0)
6545 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6546
6547 for (i = 0; i < n_changes; i++)
6548 if (changes[i].type == UNIT_FILE_UNLINK)
6549 printf(" %s\n", changes[i].path);
6550
6551 return 0;
6552 }
6553
6554 static int show_installation_targets(sd_bus *bus, const char *name) {
6555 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6556 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6557 const char *link;
6558 int r;
6559
6560 r = sd_bus_call_method(
6561 bus,
6562 "org.freedesktop.systemd1",
6563 "/org/freedesktop/systemd1",
6564 "org.freedesktop.systemd1.Manager",
6565 "GetUnitFileLinks",
6566 &error,
6567 &reply,
6568 "sb", name, arg_runtime);
6569 if (r < 0)
6570 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
6571
6572 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6573 if (r < 0)
6574 return bus_log_parse_error(r);
6575
6576 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
6577 printf(" %s\n", link);
6578
6579 if (r < 0)
6580 return bus_log_parse_error(r);
6581
6582 r = sd_bus_message_exit_container(reply);
6583 if (r < 0)
6584 return bus_log_parse_error(r);
6585
6586 return 0;
6587 }
6588
6589 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
6590 _cleanup_strv_free_ char **names = NULL;
6591 bool enabled;
6592 char **name;
6593 int r;
6594
6595 r = mangle_names(strv_skip(argv, 1), &names);
6596 if (r < 0)
6597 return r;
6598
6599 r = enable_sysv_units(argv[0], names);
6600 if (r < 0)
6601 return r;
6602
6603 enabled = r > 0;
6604
6605 if (install_client_side()) {
6606 STRV_FOREACH(name, names) {
6607 UnitFileState state;
6608
6609 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
6610 if (r < 0)
6611 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
6612
6613 if (IN_SET(state,
6614 UNIT_FILE_ENABLED,
6615 UNIT_FILE_ENABLED_RUNTIME,
6616 UNIT_FILE_STATIC,
6617 UNIT_FILE_INDIRECT,
6618 UNIT_FILE_GENERATED))
6619 enabled = true;
6620
6621 if (!arg_quiet) {
6622 puts(unit_file_state_to_string(state));
6623 if (arg_full) {
6624 r = show_installation_targets_client_side(*name);
6625 if (r < 0)
6626 return r;
6627 }
6628 }
6629 }
6630
6631 r = 0;
6632 } else {
6633 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6634 sd_bus *bus;
6635
6636 r = acquire_bus(BUS_MANAGER, &bus);
6637 if (r < 0)
6638 return r;
6639
6640 STRV_FOREACH(name, names) {
6641 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6642 const char *s;
6643
6644 r = sd_bus_call_method(
6645 bus,
6646 "org.freedesktop.systemd1",
6647 "/org/freedesktop/systemd1",
6648 "org.freedesktop.systemd1.Manager",
6649 "GetUnitFileState",
6650 &error,
6651 &reply,
6652 "s", *name);
6653 if (r < 0)
6654 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
6655
6656 r = sd_bus_message_read(reply, "s", &s);
6657 if (r < 0)
6658 return bus_log_parse_error(r);
6659
6660 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
6661 enabled = true;
6662
6663 if (!arg_quiet) {
6664 puts(s);
6665 if (arg_full) {
6666 r = show_installation_targets(bus, *name);
6667 if (r < 0)
6668 return r;
6669 }
6670 }
6671 }
6672 }
6673
6674 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
6675 }
6676
6677 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
6678 char **state = userdata;
6679 int r;
6680
6681 assert(state);
6682
6683 r = sd_bus_get_property_string(
6684 sd_bus_message_get_bus(m),
6685 "org.freedesktop.systemd1",
6686 "/org/freedesktop/systemd1",
6687 "org.freedesktop.systemd1.Manager",
6688 "SystemState",
6689 NULL,
6690 state);
6691
6692 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
6693 return 0;
6694 }
6695
6696 static int is_system_running(int argc, char *argv[], void *userdata) {
6697 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6698 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
6699 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
6700 _cleanup_free_ char *state = NULL;
6701 sd_bus *bus;
6702 int r;
6703
6704 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
6705 if (!arg_quiet)
6706 puts("offline");
6707 return EXIT_FAILURE;
6708 }
6709
6710 r = acquire_bus(BUS_MANAGER, &bus);
6711 if (r < 0)
6712 return r;
6713
6714 if (arg_wait) {
6715 r = sd_event_default(&event);
6716 if (r >= 0)
6717 r = sd_bus_attach_event(bus, event, 0);
6718 if (r >= 0)
6719 r = sd_bus_match_signal_async(
6720 bus,
6721 &slot_startup_finished,
6722 "org.freedesktop.systemd1",
6723 "/org/freedesktop/systemd1",
6724 "org.freedesktop.systemd1.Manager",
6725 "StartupFinished",
6726 match_startup_finished, NULL, &state);
6727 if (r < 0) {
6728 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
6729 arg_wait = false;
6730 }
6731 }
6732
6733 r = sd_bus_get_property_string(
6734 bus,
6735 "org.freedesktop.systemd1",
6736 "/org/freedesktop/systemd1",
6737 "org.freedesktop.systemd1.Manager",
6738 "SystemState",
6739 &error,
6740 &state);
6741 if (r < 0) {
6742 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
6743
6744 if (!arg_quiet)
6745 puts("unknown");
6746 return EXIT_FAILURE;
6747 }
6748
6749 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
6750 r = sd_event_loop(event);
6751 if (r < 0) {
6752 log_warning_errno(r, "Failed to get property from event loop: %m");
6753 if (!arg_quiet)
6754 puts("unknown");
6755 return EXIT_FAILURE;
6756 }
6757 }
6758
6759 if (!arg_quiet)
6760 puts(state);
6761
6762 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
6763 }
6764
6765 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
6766 _cleanup_free_ char *t = NULL;
6767 int r;
6768
6769 assert(new_path);
6770 assert(original_path);
6771 assert(ret_tmp_fn);
6772
6773 r = tempfn_random(new_path, NULL, &t);
6774 if (r < 0)
6775 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
6776
6777 r = mkdir_parents(new_path, 0755);
6778 if (r < 0)
6779 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
6780
6781 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
6782 if (r == -ENOENT) {
6783
6784 r = touch(t);
6785 if (r < 0)
6786 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
6787
6788 } else if (r < 0)
6789 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
6790
6791 *ret_tmp_fn = TAKE_PTR(t);
6792
6793 return 0;
6794 }
6795
6796 static int get_file_to_edit(
6797 const LookupPaths *paths,
6798 const char *name,
6799 char **ret_path) {
6800
6801 _cleanup_free_ char *path = NULL, *run = NULL;
6802
6803 assert(name);
6804 assert(ret_path);
6805
6806 path = strjoin(paths->persistent_config, "/", name);
6807 if (!path)
6808 return log_oom();
6809
6810 if (arg_runtime) {
6811 run = strjoin(paths->runtime_config, "/", name);
6812 if (!run)
6813 return log_oom();
6814 }
6815
6816 if (arg_runtime) {
6817 if (access(path, F_OK) >= 0)
6818 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
6819 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
6820 run, path);
6821
6822 *ret_path = TAKE_PTR(run);
6823 } else
6824 *ret_path = TAKE_PTR(path);
6825
6826 return 0;
6827 }
6828
6829 static int unit_file_create_new(
6830 const LookupPaths *paths,
6831 const char *unit_name,
6832 const char *suffix,
6833 char **ret_new_path,
6834 char **ret_tmp_path) {
6835
6836 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
6837 const char *ending;
6838 int r;
6839
6840 assert(unit_name);
6841 assert(ret_new_path);
6842 assert(ret_tmp_path);
6843
6844 ending = strjoina(unit_name, suffix);
6845 r = get_file_to_edit(paths, ending, &new_path);
6846 if (r < 0)
6847 return r;
6848
6849 r = create_edit_temp_file(new_path, new_path, &tmp_path);
6850 if (r < 0)
6851 return r;
6852
6853 *ret_new_path = TAKE_PTR(new_path);
6854 *ret_tmp_path = TAKE_PTR(tmp_path);
6855
6856 return 0;
6857 }
6858
6859 static int unit_file_create_copy(
6860 const LookupPaths *paths,
6861 const char *unit_name,
6862 const char *fragment_path,
6863 char **ret_new_path,
6864 char **ret_tmp_path) {
6865
6866 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
6867 int r;
6868
6869 assert(fragment_path);
6870 assert(unit_name);
6871 assert(ret_new_path);
6872 assert(ret_tmp_path);
6873
6874 r = get_file_to_edit(paths, unit_name, &new_path);
6875 if (r < 0)
6876 return r;
6877
6878 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
6879 char response;
6880
6881 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
6882 if (r < 0)
6883 return r;
6884 if (response != 'y')
6885 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
6886 }
6887
6888 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
6889 if (r < 0)
6890 return r;
6891
6892 *ret_new_path = TAKE_PTR(new_path);
6893 *ret_tmp_path = TAKE_PTR(tmp_path);
6894
6895 return 0;
6896 }
6897
6898 static int run_editor(char **paths) {
6899 int r;
6900
6901 assert(paths);
6902
6903 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG|FORK_WAIT, NULL);
6904 if (r < 0)
6905 return r;
6906 if (r == 0) {
6907 char **editor_args = NULL, **tmp_path, **original_path, *p;
6908 size_t n_editor_args = 0, i = 1, argc;
6909 const char **args, *editor;
6910
6911 argc = strv_length(paths)/2 + 1;
6912
6913 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
6914 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
6915 * we try to execute well known editors
6916 */
6917 editor = getenv("SYSTEMD_EDITOR");
6918 if (!editor)
6919 editor = getenv("EDITOR");
6920 if (!editor)
6921 editor = getenv("VISUAL");
6922
6923 if (!isempty(editor)) {
6924 editor_args = strv_split(editor, WHITESPACE);
6925 if (!editor_args) {
6926 (void) log_oom();
6927 _exit(EXIT_FAILURE);
6928 }
6929 n_editor_args = strv_length(editor_args);
6930 argc += n_editor_args - 1;
6931 }
6932
6933 args = newa(const char*, argc + 1);
6934
6935 if (n_editor_args > 0) {
6936 args[0] = editor_args[0];
6937 for (; i < n_editor_args; i++)
6938 args[i] = editor_args[i];
6939 }
6940
6941 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
6942 args[i++] = *tmp_path;
6943 args[i] = NULL;
6944
6945 if (n_editor_args > 0)
6946 execvp(args[0], (char* const*) args);
6947
6948 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
6949 args[0] = p;
6950 execvp(p, (char* const*) args);
6951 /* We do not fail if the editor doesn't exist
6952 * because we want to try each one of them before
6953 * failing.
6954 */
6955 if (errno != ENOENT) {
6956 log_error_errno(errno, "Failed to execute %s: %m", editor);
6957 _exit(EXIT_FAILURE);
6958 }
6959 }
6960
6961 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
6962 _exit(EXIT_FAILURE);
6963 }
6964
6965 return 0;
6966 }
6967
6968 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
6969 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6970 char **name;
6971 int r;
6972
6973 assert(names);
6974 assert(paths);
6975
6976 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6977 if (r < 0)
6978 return r;
6979
6980 STRV_FOREACH(name, names) {
6981 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
6982 const char *unit_name;
6983
6984 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
6985 if (r == -EKEYREJECTED) {
6986 /* If loading of the unit failed server side complete, then the server won't tell us the unit
6987 * file path. In that case, find the file client side. */
6988 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
6989 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
6990 }
6991 if (r == -ERFKILL)
6992 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
6993 if (r < 0)
6994 return r;
6995
6996 if (r == 0) {
6997 assert(!path);
6998
6999 if (!arg_force) {
7000 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7001 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7002 arg_scope == UNIT_FILE_USER ? " --user" : "",
7003 *name);
7004 return -ENOENT;
7005 }
7006
7007 /* Create a new unit from scratch */
7008 unit_name = *name;
7009 r = unit_file_create_new(&lp, unit_name,
7010 arg_full ? NULL : ".d/override.conf",
7011 &new_path, &tmp_path);
7012 } else {
7013 assert(path);
7014
7015 unit_name = basename(path);
7016 /* We follow unit aliases, but we need to propagate the instance */
7017 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7018 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7019 _cleanup_free_ char *instance = NULL;
7020
7021 r = unit_name_to_instance(*name, &instance);
7022 if (r < 0)
7023 return r;
7024
7025 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7026 if (r < 0)
7027 return r;
7028
7029 unit_name = tmp_name;
7030 }
7031
7032 if (arg_full)
7033 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7034 else
7035 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7036 }
7037 if (r < 0)
7038 return r;
7039
7040 r = strv_push_pair(paths, new_path, tmp_path);
7041 if (r < 0)
7042 return log_oom();
7043
7044 new_path = tmp_path = NULL;
7045 }
7046
7047 return 0;
7048 }
7049
7050 static int edit(int argc, char *argv[], void *userdata) {
7051 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7052 _cleanup_strv_free_ char **names = NULL;
7053 _cleanup_strv_free_ char **paths = NULL;
7054 char **original, **tmp;
7055 sd_bus *bus;
7056 int r;
7057
7058 if (!on_tty()) {
7059 log_error("Cannot edit units if not on a tty.");
7060 return -EINVAL;
7061 }
7062
7063 if (arg_transport != BUS_TRANSPORT_LOCAL) {
7064 log_error("Cannot edit units remotely.");
7065 return -EINVAL;
7066 }
7067
7068 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7069 if (r < 0)
7070 return log_error_errno(r, "Failed to determine unit paths: %m");
7071
7072 r = acquire_bus(BUS_MANAGER, &bus);
7073 if (r < 0)
7074 return r;
7075
7076 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7077 if (r < 0)
7078 return log_error_errno(r, "Failed to expand names: %m");
7079
7080 STRV_FOREACH(tmp, names) {
7081 r = unit_is_masked(bus, &lp, *tmp);
7082 if (r < 0)
7083 return r;
7084 if (r > 0) {
7085 log_error("Cannot edit %s: unit is masked.", *tmp);
7086 return -EINVAL;
7087 }
7088 }
7089
7090 r = find_paths_to_edit(bus, names, &paths);
7091 if (r < 0)
7092 return r;
7093
7094 if (strv_isempty(paths))
7095 return -ENOENT;
7096
7097 r = run_editor(paths);
7098 if (r < 0)
7099 goto end;
7100
7101 STRV_FOREACH_PAIR(original, tmp, paths) {
7102 /* If the temporary file is empty we ignore it.
7103 * This allows the user to cancel the modification.
7104 */
7105 if (null_or_empty_path(*tmp)) {
7106 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7107 continue;
7108 }
7109
7110 r = rename(*tmp, *original);
7111 if (r < 0) {
7112 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7113 goto end;
7114 }
7115 }
7116
7117 r = 0;
7118
7119 if (!arg_no_reload && !install_client_side())
7120 r = daemon_reload(argc, argv, userdata);
7121
7122 end:
7123 STRV_FOREACH_PAIR(original, tmp, paths) {
7124 (void) unlink(*tmp);
7125
7126 /* Removing empty dropin dirs */
7127 if (!arg_full) {
7128 _cleanup_free_ char *dir;
7129
7130 dir = dirname_malloc(*original);
7131 if (!dir)
7132 return log_oom();
7133
7134 /* no need to check if the dir is empty, rmdir
7135 * does nothing if it is not the case.
7136 */
7137 (void) rmdir(dir);
7138 }
7139 }
7140
7141 return r;
7142 }
7143
7144 static int systemctl_help(void) {
7145 _cleanup_free_ char *link = NULL;
7146 int r;
7147
7148 (void) pager_open(arg_pager_flags);
7149
7150 r = terminal_urlify_man("systemctl", "1", &link);
7151 if (r < 0)
7152 return log_oom();
7153
7154 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7155 "Query or send control commands to the systemd manager.\n\n"
7156 " -h --help Show this help\n"
7157 " --version Show package version\n"
7158 " --system Connect to system manager\n"
7159 " --user Connect to user service manager\n"
7160 " -H --host=[USER@]HOST\n"
7161 " Operate on remote host\n"
7162 " -M --machine=CONTAINER\n"
7163 " Operate on local container\n"
7164 " -t --type=TYPE List units of a particular type\n"
7165 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7166 " -p --property=NAME Show only properties by this name\n"
7167 " -a --all Show all properties/all units currently in memory,\n"
7168 " including dead/empty ones. To list all units installed on\n"
7169 " the system, use the 'list-unit-files' command instead.\n"
7170 " --failed Same as --state=failed\n"
7171 " -l --full Don't ellipsize unit names on output\n"
7172 " -r --recursive Show unit list of host and local containers\n"
7173 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7174 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7175 " queueing a new job\n"
7176 " --show-types When showing sockets, explicitly show their type\n"
7177 " --value When showing properties, only print the value\n"
7178 " -i --ignore-inhibitors\n"
7179 " When shutting down or sleeping, ignore inhibitors\n"
7180 " --kill-who=WHO Who to send signal to\n"
7181 " -s --signal=SIGNAL Which signal to send\n"
7182 " --now Start or stop unit in addition to enabling or disabling it\n"
7183 " --dry-run Only print what would be done\n"
7184 " -q --quiet Suppress output\n"
7185 " --wait For (re)start, wait until service stopped again\n"
7186 " For is-system-running, wait until startup is completed\n"
7187 " --no-block Do not wait until operation finished\n"
7188 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7189 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7190 " --no-legend Do not print a legend (column headers and hints)\n"
7191 " --no-pager Do not pipe output into a pager\n"
7192 " --no-ask-password\n"
7193 " Do not ask for system passwords\n"
7194 " --global Enable/disable/mask unit files globally\n"
7195 " --runtime Enable/disable/mask unit files temporarily until next\n"
7196 " reboot\n"
7197 " -f --force When enabling unit files, override existing symlinks\n"
7198 " When shutting down, execute action immediately\n"
7199 " --preset-mode= Apply only enable, only disable, or all presets\n"
7200 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7201 " directory\n"
7202 " -n --lines=INTEGER Number of journal entries to show\n"
7203 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7204 " short-iso, short-iso-precise, short-full,\n"
7205 " short-monotonic, short-unix,\n"
7206 " verbose, export, json, json-pretty, json-sse, cat)\n"
7207 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7208 " --plain Print unit dependencies as a list instead of a tree\n\n"
7209 "Unit Commands:\n"
7210 " list-units [PATTERN...] List units currently in memory\n"
7211 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7212 " ordered by address\n"
7213 " list-timers [PATTERN...] List timer units currently in memory,\n"
7214 " ordered by next elapse\n"
7215 " start UNIT... Start (activate) one or more units\n"
7216 " stop UNIT... Stop (deactivate) one or more units\n"
7217 " reload UNIT... Reload one or more units\n"
7218 " restart UNIT... Start or restart one or more units\n"
7219 " try-restart UNIT... Restart one or more units if active\n"
7220 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7221 " otherwise start or restart\n"
7222 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7223 " if supported, otherwise restart\n"
7224 " isolate UNIT Start one unit and stop all others\n"
7225 " kill UNIT... Send signal to processes of a unit\n"
7226 " is-active PATTERN... Check whether units are active\n"
7227 " is-failed PATTERN... Check whether units are failed\n"
7228 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7229 " show [PATTERN...|JOB...] Show properties of one or more\n"
7230 " units/jobs or the manager\n"
7231 " cat PATTERN... Show files and drop-ins of specified units\n"
7232 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7233 " help PATTERN...|PID... Show manual for one or more units\n"
7234 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7235 " units\n"
7236 " list-dependencies [UNIT] Recursively show units which are required\n"
7237 " or wanted by this unit or by which this\n"
7238 " unit is required or wanted\n\n"
7239 "Unit File Commands:\n"
7240 " list-unit-files [PATTERN...] List installed unit files\n"
7241 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7242 " disable UNIT... Disable one or more unit files\n"
7243 " reenable UNIT... Reenable one or more unit files\n"
7244 " preset UNIT... Enable/disable one or more unit files\n"
7245 " based on preset configuration\n"
7246 " preset-all Enable/disable all unit files based on\n"
7247 " preset configuration\n"
7248 " is-enabled UNIT... Check whether unit files are enabled\n"
7249 " mask UNIT... Mask one or more units\n"
7250 " unmask UNIT... Unmask one or more units\n"
7251 " link PATH... Link one or more units files into\n"
7252 " the search path\n"
7253 " revert UNIT... Revert one or more unit files to vendor\n"
7254 " version\n"
7255 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7256 " on specified one or more units\n"
7257 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7258 " on specified one or more units\n"
7259 " edit UNIT... Edit one or more unit files\n"
7260 " get-default Get the name of the default target\n"
7261 " set-default TARGET Set the default target\n\n"
7262 "Machine Commands:\n"
7263 " list-machines [PATTERN...] List local containers and host\n\n"
7264 "Job Commands:\n"
7265 " list-jobs [PATTERN...] List jobs\n"
7266 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7267 "Environment Commands:\n"
7268 " show-environment Dump environment\n"
7269 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7270 " unset-environment VARIABLE... Unset one or more environment variables\n"
7271 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7272 "Manager Lifecycle Commands:\n"
7273 " daemon-reload Reload systemd manager configuration\n"
7274 " daemon-reexec Reexecute systemd manager\n\n"
7275 "System Commands:\n"
7276 " is-system-running Check whether system is fully running\n"
7277 " default Enter system default mode\n"
7278 " rescue Enter system rescue mode\n"
7279 " emergency Enter system emergency mode\n"
7280 " halt Shut down and halt the system\n"
7281 " poweroff Shut down and power-off the system\n"
7282 " reboot [ARG] Shut down and reboot the system\n"
7283 " kexec Shut down and reboot the system with kexec\n"
7284 " exit [EXIT_CODE] Request user instance or container exit\n"
7285 " switch-root ROOT [INIT] Change to a different root file system\n"
7286 " suspend Suspend the system\n"
7287 " hibernate Hibernate the system\n"
7288 " hybrid-sleep Hibernate and suspend the system\n"
7289 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7290 " time and put it into hibernate\n"
7291 "\nSee the %s for details.\n"
7292 , program_invocation_short_name
7293 , link
7294 );
7295
7296 return 0;
7297 }
7298
7299 static int halt_help(void) {
7300 _cleanup_free_ char *link = NULL;
7301 int r;
7302
7303 r = terminal_urlify_man("halt", "8", &link);
7304 if (r < 0)
7305 return log_oom();
7306
7307 printf("%s [OPTIONS...]%s\n\n"
7308 "%s the system.\n\n"
7309 " --help Show this help\n"
7310 " --halt Halt the machine\n"
7311 " -p --poweroff Switch off the machine\n"
7312 " --reboot Reboot the machine\n"
7313 " -f --force Force immediate halt/power-off/reboot\n"
7314 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7315 " -d --no-wtmp Don't write wtmp record\n"
7316 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7317 "\nSee the %s for details.\n"
7318 , program_invocation_short_name
7319 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7320 arg_action == ACTION_REBOOT ? "Reboot" :
7321 arg_action == ACTION_POWEROFF ? "Power off" :
7322 "Halt"
7323 , link
7324 );
7325
7326 return 0;
7327 }
7328
7329 static int shutdown_help(void) {
7330 _cleanup_free_ char *link = NULL;
7331 int r;
7332
7333 r = terminal_urlify_man("shutdown", "8", &link);
7334 if (r < 0)
7335 return log_oom();
7336
7337 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7338 "Shut down the system.\n\n"
7339 " --help Show this help\n"
7340 " -H --halt Halt the machine\n"
7341 " -P --poweroff Power-off the machine\n"
7342 " -r --reboot Reboot the machine\n"
7343 " -h Equivalent to --poweroff, overridden by --halt\n"
7344 " -k Don't halt/power-off/reboot, just send warnings\n"
7345 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7346 " -c Cancel a pending shutdown\n"
7347 "\nSee the %s for details.\n"
7348 , program_invocation_short_name
7349 , link
7350 );
7351
7352 return 0;
7353 }
7354
7355 static int telinit_help(void) {
7356 _cleanup_free_ char *link = NULL;
7357 int r;
7358
7359 r = terminal_urlify_man("telinit", "8", &link);
7360 if (r < 0)
7361 return log_oom();
7362
7363 printf("%s [OPTIONS...] {COMMAND}\n\n"
7364 "Send control commands to the init daemon.\n\n"
7365 " --help Show this help\n"
7366 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7367 "Commands:\n"
7368 " 0 Power-off the machine\n"
7369 " 6 Reboot the machine\n"
7370 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7371 " 1, s, S Enter rescue mode\n"
7372 " q, Q Reload init daemon configuration\n"
7373 " u, U Reexecute init daemon\n"
7374 "\nSee the %s for details.\n"
7375 , program_invocation_short_name
7376 , link
7377 );
7378
7379 return 0;
7380 }
7381
7382 static int runlevel_help(void) {
7383 _cleanup_free_ char *link = NULL;
7384 int r;
7385
7386 r = terminal_urlify_man("runlevel", "8", &link);
7387 if (r < 0)
7388 return log_oom();
7389
7390 printf("%s [OPTIONS...]\n\n"
7391 "Prints the previous and current runlevel of the init system.\n\n"
7392 " --help Show this help\n"
7393 "\nSee the %s for details.\n"
7394 , program_invocation_short_name
7395 , link
7396 );
7397
7398 return 0;
7399 }
7400
7401 static void help_types(void) {
7402 if (!arg_no_legend)
7403 puts("Available unit types:");
7404
7405 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7406 }
7407
7408 static void help_states(void) {
7409 if (!arg_no_legend)
7410 puts("Available unit load states:");
7411 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7412
7413 if (!arg_no_legend)
7414 puts("\nAvailable unit active states:");
7415 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7416
7417 if (!arg_no_legend)
7418 puts("\nAvailable automount unit substates:");
7419 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7420
7421 if (!arg_no_legend)
7422 puts("\nAvailable device unit substates:");
7423 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7424
7425 if (!arg_no_legend)
7426 puts("\nAvailable mount unit substates:");
7427 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7428
7429 if (!arg_no_legend)
7430 puts("\nAvailable path unit substates:");
7431 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7432
7433 if (!arg_no_legend)
7434 puts("\nAvailable scope unit substates:");
7435 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7436
7437 if (!arg_no_legend)
7438 puts("\nAvailable service unit substates:");
7439 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7440
7441 if (!arg_no_legend)
7442 puts("\nAvailable slice unit substates:");
7443 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7444
7445 if (!arg_no_legend)
7446 puts("\nAvailable socket unit substates:");
7447 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7448
7449 if (!arg_no_legend)
7450 puts("\nAvailable swap unit substates:");
7451 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7452
7453 if (!arg_no_legend)
7454 puts("\nAvailable target unit substates:");
7455 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7456
7457 if (!arg_no_legend)
7458 puts("\nAvailable timer unit substates:");
7459 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7460 }
7461
7462 static int systemctl_parse_argv(int argc, char *argv[]) {
7463 enum {
7464 ARG_FAIL = 0x100,
7465 ARG_REVERSE,
7466 ARG_AFTER,
7467 ARG_BEFORE,
7468 ARG_DRY_RUN,
7469 ARG_SHOW_TYPES,
7470 ARG_IRREVERSIBLE,
7471 ARG_IGNORE_DEPENDENCIES,
7472 ARG_VALUE,
7473 ARG_VERSION,
7474 ARG_USER,
7475 ARG_SYSTEM,
7476 ARG_GLOBAL,
7477 ARG_NO_BLOCK,
7478 ARG_NO_LEGEND,
7479 ARG_NO_PAGER,
7480 ARG_NO_WALL,
7481 ARG_ROOT,
7482 ARG_NO_RELOAD,
7483 ARG_KILL_WHO,
7484 ARG_NO_ASK_PASSWORD,
7485 ARG_FAILED,
7486 ARG_RUNTIME,
7487 ARG_PLAIN,
7488 ARG_STATE,
7489 ARG_JOB_MODE,
7490 ARG_PRESET_MODE,
7491 ARG_FIRMWARE_SETUP,
7492 ARG_NOW,
7493 ARG_MESSAGE,
7494 ARG_WAIT,
7495 };
7496
7497 static const struct option options[] = {
7498 { "help", no_argument, NULL, 'h' },
7499 { "version", no_argument, NULL, ARG_VERSION },
7500 { "type", required_argument, NULL, 't' },
7501 { "property", required_argument, NULL, 'p' },
7502 { "all", no_argument, NULL, 'a' },
7503 { "reverse", no_argument, NULL, ARG_REVERSE },
7504 { "after", no_argument, NULL, ARG_AFTER },
7505 { "before", no_argument, NULL, ARG_BEFORE },
7506 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7507 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7508 { "full", no_argument, NULL, 'l' },
7509 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7510 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7511 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7512 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7513 { "ignore-inhibitors", no_argument, NULL, 'i' },
7514 { "value", no_argument, NULL, ARG_VALUE },
7515 { "user", no_argument, NULL, ARG_USER },
7516 { "system", no_argument, NULL, ARG_SYSTEM },
7517 { "global", no_argument, NULL, ARG_GLOBAL },
7518 { "wait", no_argument, NULL, ARG_WAIT },
7519 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7520 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7521 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7522 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7523 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7524 { "quiet", no_argument, NULL, 'q' },
7525 { "root", required_argument, NULL, ARG_ROOT },
7526 { "force", no_argument, NULL, 'f' },
7527 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7528 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7529 { "signal", required_argument, NULL, 's' },
7530 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7531 { "host", required_argument, NULL, 'H' },
7532 { "machine", required_argument, NULL, 'M' },
7533 { "runtime", no_argument, NULL, ARG_RUNTIME },
7534 { "lines", required_argument, NULL, 'n' },
7535 { "output", required_argument, NULL, 'o' },
7536 { "plain", no_argument, NULL, ARG_PLAIN },
7537 { "state", required_argument, NULL, ARG_STATE },
7538 { "recursive", no_argument, NULL, 'r' },
7539 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7540 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7541 { "now", no_argument, NULL, ARG_NOW },
7542 { "message", required_argument, NULL, ARG_MESSAGE },
7543 {}
7544 };
7545
7546 const char *p;
7547 int c, r;
7548
7549 assert(argc >= 0);
7550 assert(argv);
7551
7552 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7553 arg_ask_password = true;
7554
7555 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
7556
7557 switch (c) {
7558
7559 case 'h':
7560 return systemctl_help();
7561
7562 case ARG_VERSION:
7563 return version();
7564
7565 case 't': {
7566 if (isempty(optarg))
7567 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7568 "--type= requires arguments.");
7569
7570 for (p = optarg;;) {
7571 _cleanup_free_ char *type = NULL;
7572
7573 r = extract_first_word(&p, &type, ",", 0);
7574 if (r < 0)
7575 return log_error_errno(r, "Failed to parse type: %s", optarg);
7576 if (r == 0)
7577 break;
7578
7579 if (streq(type, "help")) {
7580 help_types();
7581 return 0;
7582 }
7583
7584 if (unit_type_from_string(type) >= 0) {
7585 if (strv_push(&arg_types, type) < 0)
7586 return log_oom();
7587 type = NULL;
7588 continue;
7589 }
7590
7591 /* It's much nicer to use --state= for
7592 * load states, but let's support this
7593 * in --types= too for compatibility
7594 * with old versions */
7595 if (unit_load_state_from_string(type) >= 0) {
7596 if (strv_push(&arg_states, type) < 0)
7597 return log_oom();
7598 type = NULL;
7599 continue;
7600 }
7601
7602 log_error("Unknown unit type or load state '%s'.", type);
7603 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
7604 "Use -t help to see a list of allowed values.");
7605 }
7606
7607 break;
7608 }
7609
7610 case 'p': {
7611 /* Make sure that if the empty property list
7612 was specified, we won't show any properties. */
7613 if (isempty(optarg) && !arg_properties) {
7614 arg_properties = new0(char*, 1);
7615 if (!arg_properties)
7616 return log_oom();
7617 } else
7618 for (p = optarg;;) {
7619 _cleanup_free_ char *prop = NULL;
7620
7621 r = extract_first_word(&p, &prop, ",", 0);
7622 if (r < 0)
7623 return log_error_errno(r, "Failed to parse property: %s", optarg);
7624 if (r == 0)
7625 break;
7626
7627 if (strv_push(&arg_properties, prop) < 0)
7628 return log_oom();
7629
7630 prop = NULL;
7631 }
7632
7633 /* If the user asked for a particular
7634 * property, show it to him, even if it is
7635 * empty. */
7636 arg_all = true;
7637
7638 break;
7639 }
7640
7641 case 'a':
7642 arg_all = true;
7643 break;
7644
7645 case ARG_REVERSE:
7646 arg_dependency = DEPENDENCY_REVERSE;
7647 break;
7648
7649 case ARG_AFTER:
7650 arg_dependency = DEPENDENCY_AFTER;
7651 arg_jobs_after = true;
7652 break;
7653
7654 case ARG_BEFORE:
7655 arg_dependency = DEPENDENCY_BEFORE;
7656 arg_jobs_before = true;
7657 break;
7658
7659 case ARG_SHOW_TYPES:
7660 arg_show_types = true;
7661 break;
7662
7663 case ARG_VALUE:
7664 arg_value = true;
7665 break;
7666
7667 case ARG_JOB_MODE:
7668 arg_job_mode = optarg;
7669 break;
7670
7671 case ARG_FAIL:
7672 arg_job_mode = "fail";
7673 break;
7674
7675 case ARG_IRREVERSIBLE:
7676 arg_job_mode = "replace-irreversibly";
7677 break;
7678
7679 case ARG_IGNORE_DEPENDENCIES:
7680 arg_job_mode = "ignore-dependencies";
7681 break;
7682
7683 case ARG_USER:
7684 arg_scope = UNIT_FILE_USER;
7685 break;
7686
7687 case ARG_SYSTEM:
7688 arg_scope = UNIT_FILE_SYSTEM;
7689 break;
7690
7691 case ARG_GLOBAL:
7692 arg_scope = UNIT_FILE_GLOBAL;
7693 break;
7694
7695 case ARG_WAIT:
7696 arg_wait = true;
7697 break;
7698
7699 case ARG_NO_BLOCK:
7700 arg_no_block = true;
7701 break;
7702
7703 case ARG_NO_LEGEND:
7704 arg_no_legend = true;
7705 break;
7706
7707 case ARG_NO_PAGER:
7708 arg_pager_flags |= PAGER_DISABLE;
7709 break;
7710
7711 case ARG_NO_WALL:
7712 arg_no_wall = true;
7713 break;
7714
7715 case ARG_ROOT:
7716 r = parse_path_argument_and_warn(optarg, false, &arg_root);
7717 if (r < 0)
7718 return r;
7719 break;
7720
7721 case 'l':
7722 arg_full = true;
7723 break;
7724
7725 case ARG_FAILED:
7726 if (strv_extend(&arg_states, "failed") < 0)
7727 return log_oom();
7728
7729 break;
7730
7731 case ARG_DRY_RUN:
7732 arg_dry_run = true;
7733 break;
7734
7735 case 'q':
7736 arg_quiet = true;
7737 break;
7738
7739 case 'f':
7740 arg_force++;
7741 break;
7742
7743 case ARG_NO_RELOAD:
7744 arg_no_reload = true;
7745 break;
7746
7747 case ARG_KILL_WHO:
7748 arg_kill_who = optarg;
7749 break;
7750
7751 case 's':
7752 if (streq(optarg, "help")) {
7753 DUMP_STRING_TABLE(signal, int, _NSIG);
7754 return 0;
7755 }
7756
7757 arg_signal = signal_from_string(optarg);
7758 if (arg_signal < 0)
7759 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7760 "Failed to parse signal string %s.",
7761 optarg);
7762 break;
7763
7764 case ARG_NO_ASK_PASSWORD:
7765 arg_ask_password = false;
7766 break;
7767
7768 case 'H':
7769 arg_transport = BUS_TRANSPORT_REMOTE;
7770 arg_host = optarg;
7771 break;
7772
7773 case 'M':
7774 arg_transport = BUS_TRANSPORT_MACHINE;
7775 arg_host = optarg;
7776 break;
7777
7778 case ARG_RUNTIME:
7779 arg_runtime = true;
7780 break;
7781
7782 case 'n':
7783 if (safe_atou(optarg, &arg_lines) < 0)
7784 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7785 "Failed to parse lines '%s'",
7786 optarg);
7787 break;
7788
7789 case 'o':
7790 if (streq(optarg, "help")) {
7791 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
7792 return 0;
7793 }
7794
7795 arg_output = output_mode_from_string(optarg);
7796 if (arg_output < 0)
7797 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7798 "Unknown output '%s'.",
7799 optarg);
7800 break;
7801
7802 case 'i':
7803 arg_ignore_inhibitors = true;
7804 break;
7805
7806 case ARG_PLAIN:
7807 arg_plain = true;
7808 break;
7809
7810 case ARG_FIRMWARE_SETUP:
7811 arg_firmware_setup = true;
7812 break;
7813
7814 case ARG_STATE: {
7815 if (isempty(optarg))
7816 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7817 "--state= requires arguments.");
7818
7819 for (p = optarg;;) {
7820 _cleanup_free_ char *s = NULL;
7821
7822 r = extract_first_word(&p, &s, ",", 0);
7823 if (r < 0)
7824 return log_error_errno(r, "Failed to parse state: %s", optarg);
7825 if (r == 0)
7826 break;
7827
7828 if (streq(s, "help")) {
7829 help_states();
7830 return 0;
7831 }
7832
7833 if (strv_push(&arg_states, s) < 0)
7834 return log_oom();
7835
7836 s = NULL;
7837 }
7838 break;
7839 }
7840
7841 case 'r':
7842 if (geteuid() != 0)
7843 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
7844 "--recursive requires root privileges.");
7845
7846 arg_recursive = true;
7847 break;
7848
7849 case ARG_PRESET_MODE:
7850 if (streq(optarg, "help")) {
7851 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
7852 return 0;
7853 }
7854
7855 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
7856 if (arg_preset_mode < 0)
7857 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7858 "Failed to parse preset mode: %s.", optarg);
7859
7860 break;
7861
7862 case ARG_NOW:
7863 arg_now = true;
7864 break;
7865
7866 case ARG_MESSAGE:
7867 if (strv_extend(&arg_wall, optarg) < 0)
7868 return log_oom();
7869 break;
7870
7871 case '?':
7872 return -EINVAL;
7873
7874 default:
7875 assert_not_reached("Unhandled option");
7876 }
7877
7878 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
7879 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7880 "Cannot access user instance remotely.");
7881
7882 if (arg_wait && arg_no_block)
7883 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7884 "--wait may not be combined with --no-block.");
7885
7886 if (arg_runtime && STRPTR_IN_SET(argv[optind], "disable", "unmask", "preset", "preset-all"))
7887 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7888 "--runtime cannot be used with %s",
7889 argv[optind]);
7890
7891 return 1;
7892 }
7893
7894 static int halt_parse_argv(int argc, char *argv[]) {
7895 enum {
7896 ARG_HELP = 0x100,
7897 ARG_HALT,
7898 ARG_REBOOT,
7899 ARG_NO_WALL
7900 };
7901
7902 static const struct option options[] = {
7903 { "help", no_argument, NULL, ARG_HELP },
7904 { "halt", no_argument, NULL, ARG_HALT },
7905 { "poweroff", no_argument, NULL, 'p' },
7906 { "reboot", no_argument, NULL, ARG_REBOOT },
7907 { "force", no_argument, NULL, 'f' },
7908 { "wtmp-only", no_argument, NULL, 'w' },
7909 { "no-wtmp", no_argument, NULL, 'd' },
7910 { "no-sync", no_argument, NULL, 'n' },
7911 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7912 {}
7913 };
7914
7915 int c, r, runlevel;
7916
7917 assert(argc >= 0);
7918 assert(argv);
7919
7920 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
7921 if (IN_SET(runlevel, '0', '6'))
7922 arg_force = 2;
7923
7924 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
7925 switch (c) {
7926
7927 case ARG_HELP:
7928 return halt_help();
7929
7930 case ARG_HALT:
7931 arg_action = ACTION_HALT;
7932 break;
7933
7934 case 'p':
7935 if (arg_action != ACTION_REBOOT)
7936 arg_action = ACTION_POWEROFF;
7937 break;
7938
7939 case ARG_REBOOT:
7940 arg_action = ACTION_REBOOT;
7941 break;
7942
7943 case 'f':
7944 arg_force = 2;
7945 break;
7946
7947 case 'w':
7948 arg_dry_run = true;
7949 break;
7950
7951 case 'd':
7952 arg_no_wtmp = true;
7953 break;
7954
7955 case 'n':
7956 arg_no_sync = true;
7957 break;
7958
7959 case ARG_NO_WALL:
7960 arg_no_wall = true;
7961 break;
7962
7963 case 'i':
7964 case 'h':
7965 /* Compatibility nops */
7966 break;
7967
7968 case '?':
7969 return -EINVAL;
7970
7971 default:
7972 assert_not_reached("Unhandled option");
7973 }
7974
7975 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
7976 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
7977 if (r < 0)
7978 return r;
7979 } else if (optind < argc)
7980 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7981 "Too many arguments.");
7982
7983 return 1;
7984 }
7985
7986 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
7987 assert(t);
7988 assert(_u);
7989
7990 if (streq(t, "now"))
7991 *_u = 0;
7992 else if (!strchr(t, ':')) {
7993 uint64_t u;
7994
7995 if (safe_atou64(t, &u) < 0)
7996 return -EINVAL;
7997
7998 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
7999 } else {
8000 char *e = NULL;
8001 long hour, minute;
8002 struct tm tm = {};
8003 time_t s;
8004 usec_t n;
8005
8006 errno = 0;
8007 hour = strtol(t, &e, 10);
8008 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
8009 return -EINVAL;
8010
8011 minute = strtol(e+1, &e, 10);
8012 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
8013 return -EINVAL;
8014
8015 n = now(CLOCK_REALTIME);
8016 s = (time_t) (n / USEC_PER_SEC);
8017
8018 assert_se(localtime_r(&s, &tm));
8019
8020 tm.tm_hour = (int) hour;
8021 tm.tm_min = (int) minute;
8022 tm.tm_sec = 0;
8023
8024 s = mktime(&tm);
8025 assert(s >= 0);
8026
8027 *_u = (usec_t) s * USEC_PER_SEC;
8028
8029 while (*_u <= n)
8030 *_u += USEC_PER_DAY;
8031 }
8032
8033 return 0;
8034 }
8035
8036 static int shutdown_parse_argv(int argc, char *argv[]) {
8037 enum {
8038 ARG_HELP = 0x100,
8039 ARG_NO_WALL
8040 };
8041
8042 static const struct option options[] = {
8043 { "help", no_argument, NULL, ARG_HELP },
8044 { "halt", no_argument, NULL, 'H' },
8045 { "poweroff", no_argument, NULL, 'P' },
8046 { "reboot", no_argument, NULL, 'r' },
8047 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8048 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8049 {}
8050 };
8051
8052 char **wall = NULL;
8053 int c, r;
8054
8055 assert(argc >= 0);
8056 assert(argv);
8057
8058 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8059 switch (c) {
8060
8061 case ARG_HELP:
8062 return shutdown_help();
8063
8064 case 'H':
8065 arg_action = ACTION_HALT;
8066 break;
8067
8068 case 'P':
8069 arg_action = ACTION_POWEROFF;
8070 break;
8071
8072 case 'r':
8073 if (kexec_loaded())
8074 arg_action = ACTION_KEXEC;
8075 else
8076 arg_action = ACTION_REBOOT;
8077 break;
8078
8079 case 'K':
8080 arg_action = ACTION_KEXEC;
8081 break;
8082
8083 case 'h':
8084 if (arg_action != ACTION_HALT)
8085 arg_action = ACTION_POWEROFF;
8086 break;
8087
8088 case 'k':
8089 arg_dry_run = true;
8090 break;
8091
8092 case ARG_NO_WALL:
8093 arg_no_wall = true;
8094 break;
8095
8096 case 'a':
8097 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8098 case 'f':
8099 case 'F':
8100 /* Compatibility nops */
8101 break;
8102
8103 case 'c':
8104 arg_action = ACTION_CANCEL_SHUTDOWN;
8105 break;
8106
8107 case '?':
8108 return -EINVAL;
8109
8110 default:
8111 assert_not_reached("Unhandled option");
8112 }
8113
8114 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8115 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8116 if (r < 0) {
8117 log_error("Failed to parse time specification: %s", argv[optind]);
8118 return r;
8119 }
8120 } else
8121 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8122
8123 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8124 /* No time argument for shutdown cancel */
8125 wall = argv + optind;
8126 else if (argc > optind + 1)
8127 /* We skip the time argument */
8128 wall = argv + optind + 1;
8129
8130 if (wall) {
8131 arg_wall = strv_copy(wall);
8132 if (!arg_wall)
8133 return log_oom();
8134 }
8135
8136 optind = argc;
8137
8138 return 1;
8139 }
8140
8141 static int telinit_parse_argv(int argc, char *argv[]) {
8142 enum {
8143 ARG_HELP = 0x100,
8144 ARG_NO_WALL
8145 };
8146
8147 static const struct option options[] = {
8148 { "help", no_argument, NULL, ARG_HELP },
8149 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8150 {}
8151 };
8152
8153 static const struct {
8154 char from;
8155 enum action to;
8156 } table[] = {
8157 { '0', ACTION_POWEROFF },
8158 { '6', ACTION_REBOOT },
8159 { '1', ACTION_RESCUE },
8160 { '2', ACTION_RUNLEVEL2 },
8161 { '3', ACTION_RUNLEVEL3 },
8162 { '4', ACTION_RUNLEVEL4 },
8163 { '5', ACTION_RUNLEVEL5 },
8164 { 's', ACTION_RESCUE },
8165 { 'S', ACTION_RESCUE },
8166 { 'q', ACTION_RELOAD },
8167 { 'Q', ACTION_RELOAD },
8168 { 'u', ACTION_REEXEC },
8169 { 'U', ACTION_REEXEC }
8170 };
8171
8172 unsigned i;
8173 int c;
8174
8175 assert(argc >= 0);
8176 assert(argv);
8177
8178 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8179 switch (c) {
8180
8181 case ARG_HELP:
8182 return telinit_help();
8183
8184 case ARG_NO_WALL:
8185 arg_no_wall = true;
8186 break;
8187
8188 case '?':
8189 return -EINVAL;
8190
8191 default:
8192 assert_not_reached("Unhandled option");
8193 }
8194
8195 if (optind >= argc)
8196 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8197 "%s: required argument missing.",
8198 program_invocation_short_name);
8199
8200 if (optind + 1 < argc)
8201 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8202 "Too many arguments.");
8203
8204 if (strlen(argv[optind]) != 1)
8205 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8206 "Expected single character argument.");
8207
8208 for (i = 0; i < ELEMENTSOF(table); i++)
8209 if (table[i].from == argv[optind][0])
8210 break;
8211
8212 if (i >= ELEMENTSOF(table))
8213 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8214 "Unknown command '%s'.", argv[optind]);
8215
8216 arg_action = table[i].to;
8217
8218 optind++;
8219
8220 return 1;
8221 }
8222
8223 static int runlevel_parse_argv(int argc, char *argv[]) {
8224 enum {
8225 ARG_HELP = 0x100,
8226 };
8227
8228 static const struct option options[] = {
8229 { "help", no_argument, NULL, ARG_HELP },
8230 {}
8231 };
8232
8233 int c;
8234
8235 assert(argc >= 0);
8236 assert(argv);
8237
8238 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8239 switch (c) {
8240
8241 case ARG_HELP:
8242 return runlevel_help();
8243
8244 case '?':
8245 return -EINVAL;
8246
8247 default:
8248 assert_not_reached("Unhandled option");
8249 }
8250
8251 if (optind < argc)
8252 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8253 "Too many arguments.");
8254
8255 return 1;
8256 }
8257
8258 static int parse_argv(int argc, char *argv[]) {
8259 assert(argc >= 0);
8260 assert(argv);
8261
8262 if (program_invocation_short_name) {
8263
8264 if (strstr(program_invocation_short_name, "halt")) {
8265 arg_action = ACTION_HALT;
8266 return halt_parse_argv(argc, argv);
8267
8268 } else if (strstr(program_invocation_short_name, "poweroff")) {
8269 arg_action = ACTION_POWEROFF;
8270 return halt_parse_argv(argc, argv);
8271
8272 } else if (strstr(program_invocation_short_name, "reboot")) {
8273 if (kexec_loaded())
8274 arg_action = ACTION_KEXEC;
8275 else
8276 arg_action = ACTION_REBOOT;
8277 return halt_parse_argv(argc, argv);
8278
8279 } else if (strstr(program_invocation_short_name, "shutdown")) {
8280 arg_action = ACTION_POWEROFF;
8281 return shutdown_parse_argv(argc, argv);
8282
8283 } else if (strstr(program_invocation_short_name, "init")) {
8284
8285 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8286 * 1 on SysV.
8287 *
8288 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8289 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8290 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8291 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8292 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8293 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8294 * quick way to match both.
8295 *
8296 * Also see redirect_telinit() in src/core/main.c. */
8297
8298 if (sd_booted() > 0) {
8299 arg_action = _ACTION_INVALID;
8300 return telinit_parse_argv(argc, argv);
8301 } else {
8302 /* Hmm, so some other init system is running, we need to forward this request to
8303 * it. For now we simply guess that it is Upstart. */
8304
8305 (void) rlimit_nofile_safe();
8306 execv(TELINIT, argv);
8307
8308 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8309 "Couldn't find an alternative telinit implementation to spawn.");
8310 }
8311
8312 } else if (strstr(program_invocation_short_name, "runlevel")) {
8313 arg_action = ACTION_RUNLEVEL;
8314 return runlevel_parse_argv(argc, argv);
8315 }
8316 }
8317
8318 arg_action = ACTION_SYSTEMCTL;
8319 return systemctl_parse_argv(argc, argv);
8320 }
8321
8322 #if HAVE_SYSV_COMPAT
8323 _pure_ static int action_to_runlevel(void) {
8324 static const char table[_ACTION_MAX] = {
8325 [ACTION_HALT] = '0',
8326 [ACTION_POWEROFF] = '0',
8327 [ACTION_REBOOT] = '6',
8328 [ACTION_RUNLEVEL2] = '2',
8329 [ACTION_RUNLEVEL3] = '3',
8330 [ACTION_RUNLEVEL4] = '4',
8331 [ACTION_RUNLEVEL5] = '5',
8332 [ACTION_RESCUE] = '1'
8333 };
8334
8335 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8336
8337 return table[arg_action];
8338 }
8339 #endif
8340
8341 static int talk_initctl(void) {
8342 #if HAVE_SYSV_COMPAT
8343 struct init_request request = {
8344 .magic = INIT_MAGIC,
8345 .sleeptime = 0,
8346 .cmd = INIT_CMD_RUNLVL
8347 };
8348
8349 _cleanup_close_ int fd = -1;
8350 char rl;
8351 int r;
8352 const char *p;
8353
8354 rl = action_to_runlevel();
8355 if (!rl)
8356 return 0;
8357
8358 request.runlevel = rl;
8359
8360 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8361 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8362 if (fd >= 0 || errno != ENOENT)
8363 break;
8364 }
8365 if (fd < 0) {
8366 if (errno == ENOENT)
8367 return 0;
8368
8369 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8370 }
8371
8372 r = loop_write(fd, &request, sizeof(request), false);
8373 if (r < 0)
8374 return log_error_errno(r, "Failed to write to %s: %m", p);
8375
8376 return 1;
8377 #else
8378 return 0;
8379 #endif
8380 }
8381
8382 static int systemctl_main(int argc, char *argv[]) {
8383 static const Verb verbs[] = {
8384 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8385 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8386 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8387 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8388 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8389 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8390 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8391 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8392 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8393 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8394 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8395 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8396 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8397 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8398 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8399 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8400 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8401 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8402 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8403 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8404 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8405 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8406 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8407 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8408 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8409 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8410 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8411 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8412 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8413 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8414 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8415 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8416 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8417 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8418 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8419 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8420 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8421 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8422 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8423 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8424 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8425 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8426 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8427 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8428 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8429 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8430 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8431 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8432 { "enable", 2, VERB_ANY, 0, enable_unit },
8433 { "disable", 2, VERB_ANY, 0, enable_unit },
8434 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8435 { "reenable", 2, VERB_ANY, 0, enable_unit },
8436 { "preset", 2, VERB_ANY, 0, enable_unit },
8437 { "preset-all", VERB_ANY, 1, 0, preset_all },
8438 { "mask", 2, VERB_ANY, 0, enable_unit },
8439 { "unmask", 2, VERB_ANY, 0, enable_unit },
8440 { "link", 2, VERB_ANY, 0, enable_unit },
8441 { "revert", 2, VERB_ANY, 0, enable_unit },
8442 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8443 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8444 { "set-default", 2, 2, 0, set_default },
8445 { "get-default", VERB_ANY, 1, 0, get_default },
8446 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8447 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8448 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8449 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8450 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8451 {}
8452 };
8453
8454 return dispatch_verb(argc, argv, verbs, NULL);
8455 }
8456
8457 static int reload_with_fallback(void) {
8458 /* First, try systemd via D-Bus. */
8459 if (daemon_reload(0, NULL, NULL) >= 0)
8460 return 0;
8461
8462 /* Nothing else worked, so let's try signals */
8463 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8464
8465 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8466 return log_error_errno(errno, "kill() failed: %m");
8467
8468 return 0;
8469 }
8470
8471 static int start_with_fallback(void) {
8472 /* First, try systemd via D-Bus. */
8473 if (start_unit(0, NULL, NULL) >= 0)
8474 return 0;
8475
8476 /* Nothing else worked, so let's try /dev/initctl */
8477 if (talk_initctl() > 0)
8478 return 0;
8479
8480 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8481 "Failed to talk to init daemon.");
8482 }
8483
8484 static int halt_now(enum action a) {
8485 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8486 * synced explicitly in advance. */
8487 if (!arg_no_sync && !arg_dry_run)
8488 (void) sync();
8489
8490 /* Make sure C-A-D is handled by the kernel from this point on... */
8491 if (!arg_dry_run)
8492 (void) reboot(RB_ENABLE_CAD);
8493
8494 switch (a) {
8495
8496 case ACTION_HALT:
8497 if (!arg_quiet)
8498 log_info("Halting.");
8499 if (arg_dry_run)
8500 return 0;
8501 (void) reboot(RB_HALT_SYSTEM);
8502 return -errno;
8503
8504 case ACTION_POWEROFF:
8505 if (!arg_quiet)
8506 log_info("Powering off.");
8507 if (arg_dry_run)
8508 return 0;
8509 (void) reboot(RB_POWER_OFF);
8510 return -errno;
8511
8512 case ACTION_KEXEC:
8513 case ACTION_REBOOT:
8514 return reboot_with_parameter(REBOOT_FALLBACK |
8515 (arg_quiet ? 0 : REBOOT_LOG) |
8516 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8517
8518 default:
8519 assert_not_reached("Unknown action.");
8520 }
8521 }
8522
8523 static int logind_schedule_shutdown(void) {
8524
8525 #if ENABLE_LOGIND
8526 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8527 char date[FORMAT_TIMESTAMP_MAX];
8528 const char *action;
8529 sd_bus *bus;
8530 int r;
8531
8532 r = acquire_bus(BUS_FULL, &bus);
8533 if (r < 0)
8534 return r;
8535
8536 switch (arg_action) {
8537 case ACTION_HALT:
8538 action = "halt";
8539 break;
8540 case ACTION_POWEROFF:
8541 action = "poweroff";
8542 break;
8543 case ACTION_KEXEC:
8544 action = "kexec";
8545 break;
8546 case ACTION_EXIT:
8547 action = "exit";
8548 break;
8549 case ACTION_REBOOT:
8550 default:
8551 action = "reboot";
8552 break;
8553 }
8554
8555 if (arg_dry_run)
8556 action = strjoina("dry-", action);
8557
8558 (void) logind_set_wall_message();
8559
8560 r = sd_bus_call_method(
8561 bus,
8562 "org.freedesktop.login1",
8563 "/org/freedesktop/login1",
8564 "org.freedesktop.login1.Manager",
8565 "ScheduleShutdown",
8566 &error,
8567 NULL,
8568 "st",
8569 action,
8570 arg_when);
8571 if (r < 0)
8572 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8573
8574 if (!arg_quiet)
8575 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8576 return 0;
8577 #else
8578 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8579 return -ENOSYS;
8580 #endif
8581 }
8582
8583 static int halt_main(void) {
8584 int r;
8585
8586 r = logind_check_inhibitors(arg_action);
8587 if (r < 0)
8588 return r;
8589
8590 /* Delayed shutdown requested, and was successful */
8591 if (arg_when > 0 && logind_schedule_shutdown() == 0)
8592 return 0;
8593 /* no delay, or logind failed or is not at all available */
8594
8595 if (geteuid() != 0) {
8596 if (arg_dry_run || arg_force > 0) {
8597 (void) must_be_root();
8598 return -EPERM;
8599 }
8600
8601 /* Try logind if we are a normal user and no special
8602 * mode applies. Maybe polkit allows us to shutdown
8603 * the machine. */
8604 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
8605 r = logind_reboot(arg_action);
8606 if (r >= 0)
8607 return r;
8608 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
8609 /* requested operation is not
8610 * supported on the local system or
8611 * already in progress */
8612 return r;
8613 /* on all other errors, try low-level operation */
8614 }
8615 }
8616
8617 /* In order to minimize the difference between operation with and
8618 * without logind, we explicitly enable non-blocking mode for this,
8619 * as logind's shutdown operations are always non-blocking. */
8620 arg_no_block = true;
8621
8622 if (!arg_dry_run && !arg_force)
8623 return start_with_fallback();
8624
8625 assert(geteuid() == 0);
8626
8627 if (!arg_no_wtmp) {
8628 if (sd_booted() > 0)
8629 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
8630 else {
8631 r = utmp_put_shutdown();
8632 if (r < 0)
8633 log_warning_errno(r, "Failed to write utmp record: %m");
8634 }
8635 }
8636
8637 if (arg_dry_run)
8638 return 0;
8639
8640 r = halt_now(arg_action);
8641 return log_error_errno(r, "Failed to reboot: %m");
8642 }
8643
8644 static int runlevel_main(void) {
8645 int r, runlevel, previous;
8646
8647 r = utmp_get_runlevel(&runlevel, &previous);
8648 if (r < 0) {
8649 puts("unknown");
8650 return r;
8651 }
8652
8653 printf("%c %c\n",
8654 previous <= 0 ? 'N' : previous,
8655 runlevel <= 0 ? 'N' : runlevel);
8656
8657 return 0;
8658 }
8659
8660 static int logind_cancel_shutdown(void) {
8661 #if ENABLE_LOGIND
8662 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8663 sd_bus *bus;
8664 int r;
8665
8666 r = acquire_bus(BUS_FULL, &bus);
8667 if (r < 0)
8668 return r;
8669
8670 (void) logind_set_wall_message();
8671
8672 r = sd_bus_call_method(
8673 bus,
8674 "org.freedesktop.login1",
8675 "/org/freedesktop/login1",
8676 "org.freedesktop.login1.Manager",
8677 "CancelScheduledShutdown",
8678 &error,
8679 NULL, NULL);
8680 if (r < 0)
8681 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
8682
8683 return 0;
8684 #else
8685 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
8686 return -ENOSYS;
8687 #endif
8688 }
8689
8690 static int run(int argc, char*argv[]) {
8691 int r;
8692
8693 argv_cmdline = argv[0];
8694
8695 setlocale(LC_ALL, "");
8696 log_parse_environment();
8697 log_open();
8698
8699 /* The journal merging logic potentially needs a lot of fds. */
8700 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
8701
8702 sigbus_install();
8703
8704 /* Explicitly not on_tty() to avoid setting cached value.
8705 * This becomes relevant for piping output which might be
8706 * ellipsized. */
8707 original_stdout_is_tty = isatty(STDOUT_FILENO);
8708
8709 r = parse_argv(argc, argv);
8710 if (r <= 0)
8711 goto finish;
8712
8713 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
8714 if (!arg_quiet)
8715 log_info("Running in chroot, ignoring request.");
8716 r = 0;
8717 goto finish;
8718 }
8719
8720 /* systemctl_main() will print an error message for the bus
8721 * connection, but only if it needs to */
8722
8723 switch (arg_action) {
8724
8725 case ACTION_SYSTEMCTL:
8726 r = systemctl_main(argc, argv);
8727 break;
8728
8729 /* Legacy command aliases set arg_action. They provide some fallbacks,
8730 * e.g. to tell sysvinit to reboot after you have installed systemd
8731 * binaries. */
8732
8733 case ACTION_HALT:
8734 case ACTION_POWEROFF:
8735 case ACTION_REBOOT:
8736 case ACTION_KEXEC:
8737 r = halt_main();
8738 break;
8739
8740 case ACTION_RUNLEVEL2:
8741 case ACTION_RUNLEVEL3:
8742 case ACTION_RUNLEVEL4:
8743 case ACTION_RUNLEVEL5:
8744 case ACTION_RESCUE:
8745 r = start_with_fallback();
8746 break;
8747
8748 case ACTION_RELOAD:
8749 case ACTION_REEXEC:
8750 r = reload_with_fallback();
8751 break;
8752
8753 case ACTION_CANCEL_SHUTDOWN:
8754 r = logind_cancel_shutdown();
8755 break;
8756
8757 case ACTION_RUNLEVEL:
8758 r = runlevel_main();
8759 break;
8760
8761 case ACTION_EXIT:
8762 case ACTION_SUSPEND:
8763 case ACTION_HIBERNATE:
8764 case ACTION_HYBRID_SLEEP:
8765 case ACTION_SUSPEND_THEN_HIBERNATE:
8766 case ACTION_EMERGENCY:
8767 case ACTION_DEFAULT:
8768 /* systemctl verbs with no equivalent in the legacy commands.
8769 * These cannot appear in arg_action. Fall through. */
8770
8771 case _ACTION_INVALID:
8772 default:
8773 assert_not_reached("Unknown action");
8774 }
8775
8776 finish:
8777 release_busses();
8778
8779 strv_free(arg_types);
8780 strv_free(arg_states);
8781 strv_free(arg_properties);
8782
8783 strv_free(arg_wall);
8784 free(arg_root);
8785 free(arg_esp_path);
8786
8787 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
8788 return r;
8789 }
8790
8791 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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