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Merge pull request #11063 from yuwata/update-missing-v3
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/prctl.h>
12 #include <sys/reboot.h>
13 #include <sys/socket.h>
14 #include <unistd.h>
15
16 #include "sd-bus.h"
17 #include "sd-daemon.h"
18 #include "sd-event.h"
19 #include "sd-login.h"
20
21 #include "alloc-util.h"
22 #include "bootspec.h"
23 #include "bus-common-errors.h"
24 #include "bus-error.h"
25 #include "bus-message.h"
26 #include "bus-unit-util.h"
27 #include "bus-util.h"
28 #include "cgroup-show.h"
29 #include "cgroup-util.h"
30 #include "copy.h"
31 #include "dropin.h"
32 #include "efivars.h"
33 #include "env-util.h"
34 #include "escape.h"
35 #include "exit-status.h"
36 #include "fd-util.h"
37 #include "format-util.h"
38 #include "fs-util.h"
39 #include "glob-util.h"
40 #include "hexdecoct.h"
41 #include "hostname-util.h"
42 #include "initreq.h"
43 #include "install.h"
44 #include "io-util.h"
45 #include "list.h"
46 #include "locale-util.h"
47 #include "log.h"
48 #include "logs-show.h"
49 #include "macro.h"
50 #include "main-func.h"
51 #include "mkdir.h"
52 #include "pager.h"
53 #include "parse-util.h"
54 #include "path-lookup.h"
55 #include "path-util.h"
56 #include "pretty-print.h"
57 #include "proc-cmdline.h"
58 #include "process-util.h"
59 #include "reboot-util.h"
60 #include "rlimit-util.h"
61 #include "set.h"
62 #include "sigbus.h"
63 #include "signal-util.h"
64 #include "socket-util.h"
65 #include "spawn-ask-password-agent.h"
66 #include "spawn-polkit-agent.h"
67 #include "special.h"
68 #include "stat-util.h"
69 #include "string-table.h"
70 #include "strv.h"
71 #include "terminal-util.h"
72 #include "tmpfile-util.h"
73 #include "unit-def.h"
74 #include "unit-name.h"
75 #include "user-util.h"
76 #include "util.h"
77 #include "utmp-wtmp.h"
78 #include "verbs.h"
79 #include "virt.h"
80
81 /* The init script exit status codes
82 0 program is running or service is OK
83 1 program is dead and /var/run pid file exists
84 2 program is dead and /var/lock lock file exists
85 3 program is not running
86 4 program or service status is unknown
87 5-99 reserved for future LSB use
88 100-149 reserved for distribution use
89 150-199 reserved for application use
90 200-254 reserved
91 */
92 enum {
93 EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0,
94 EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1,
95 EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2,
96 EXIT_PROGRAM_NOT_RUNNING = 3,
97 EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4,
98 };
99
100 static char **arg_types = NULL;
101 static char **arg_states = NULL;
102 static char **arg_properties = NULL;
103 static bool arg_all = false;
104 static enum dependency {
105 DEPENDENCY_FORWARD,
106 DEPENDENCY_REVERSE,
107 DEPENDENCY_AFTER,
108 DEPENDENCY_BEFORE,
109 _DEPENDENCY_MAX
110 } arg_dependency = DEPENDENCY_FORWARD;
111 static const char *arg_job_mode = "replace";
112 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
113 static bool arg_wait = false;
114 static bool arg_no_block = false;
115 static bool arg_no_legend = false;
116 static PagerFlags arg_pager_flags = 0;
117 static bool arg_no_wtmp = false;
118 static bool arg_no_sync = false;
119 static bool arg_no_wall = false;
120 static bool arg_no_reload = false;
121 static bool arg_value = false;
122 static bool arg_show_types = false;
123 static bool arg_ignore_inhibitors = false;
124 static bool arg_dry_run = false;
125 static bool arg_quiet = false;
126 static bool arg_full = false;
127 static bool arg_recursive = false;
128 static int arg_force = 0;
129 static bool arg_ask_password = false;
130 static bool arg_runtime = false;
131 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
132 static char **arg_wall = NULL;
133 static const char *arg_kill_who = NULL;
134 static int arg_signal = SIGTERM;
135 static char *arg_root = NULL;
136 static usec_t arg_when = 0;
137 static char *arg_esp_path = NULL;
138 static char *argv_cmdline = NULL;
139 static enum action {
140 ACTION_SYSTEMCTL,
141 ACTION_HALT,
142 ACTION_POWEROFF,
143 ACTION_REBOOT,
144 ACTION_KEXEC,
145 ACTION_EXIT,
146 ACTION_SUSPEND,
147 ACTION_HIBERNATE,
148 ACTION_HYBRID_SLEEP,
149 ACTION_SUSPEND_THEN_HIBERNATE,
150 ACTION_RUNLEVEL2,
151 ACTION_RUNLEVEL3,
152 ACTION_RUNLEVEL4,
153 ACTION_RUNLEVEL5,
154 ACTION_RESCUE,
155 ACTION_EMERGENCY,
156 ACTION_DEFAULT,
157 ACTION_RELOAD,
158 ACTION_REEXEC,
159 ACTION_RUNLEVEL,
160 ACTION_CANCEL_SHUTDOWN,
161 _ACTION_MAX,
162 _ACTION_INVALID = -1
163 } arg_action = ACTION_SYSTEMCTL;
164 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
165 static const char *arg_host = NULL;
166 static unsigned arg_lines = 10;
167 static OutputMode arg_output = OUTPUT_SHORT;
168 static bool arg_plain = false;
169 static bool arg_firmware_setup = false;
170 static bool arg_now = false;
171 static bool arg_jobs_before = false;
172 static bool arg_jobs_after = false;
173
174 static int daemon_reload(int argc, char *argv[], void* userdata);
175 static int trivial_method(int argc, char *argv[], void *userdata);
176 static int halt_now(enum action a);
177 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
178
179 static bool original_stdout_is_tty;
180
181 typedef enum BusFocus {
182 BUS_FULL, /* The full bus indicated via --system or --user */
183 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
184 _BUS_FOCUS_MAX
185 } BusFocus;
186
187 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
188
189 static UnitFileFlags args_to_flags(void) {
190 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
191 (arg_force ? UNIT_FILE_FORCE : 0);
192 }
193
194 static int acquire_bus(BusFocus focus, sd_bus **ret) {
195 int r;
196
197 assert(focus < _BUS_FOCUS_MAX);
198 assert(ret);
199
200 /* We only go directly to the manager, if we are using a local transport */
201 if (arg_transport != BUS_TRANSPORT_LOCAL)
202 focus = BUS_FULL;
203
204 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
205 focus = BUS_FULL;
206
207 if (!busses[focus]) {
208 bool user;
209
210 user = arg_scope != UNIT_FILE_SYSTEM;
211
212 if (focus == BUS_MANAGER)
213 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
214 else
215 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
216 if (r < 0)
217 return log_error_errno(r, "Failed to connect to bus: %m");
218
219 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
220 }
221
222 *ret = busses[focus];
223 return 0;
224 }
225
226 static void release_busses(void) {
227 BusFocus w;
228
229 for (w = 0; w < _BUS_FOCUS_MAX; w++)
230 busses[w] = sd_bus_flush_close_unref(busses[w]);
231 }
232
233 static void ask_password_agent_open_if_enabled(void) {
234 /* Open the password agent as a child process if necessary */
235
236 if (arg_dry_run)
237 return;
238
239 if (!arg_ask_password)
240 return;
241
242 if (arg_scope != UNIT_FILE_SYSTEM)
243 return;
244
245 if (arg_transport != BUS_TRANSPORT_LOCAL)
246 return;
247
248 ask_password_agent_open();
249 }
250
251 static void polkit_agent_open_maybe(void) {
252 /* Open the polkit agent as a child process if necessary */
253
254 if (arg_scope != UNIT_FILE_SYSTEM)
255 return;
256
257 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
258 }
259
260 static OutputFlags get_output_flags(void) {
261 return
262 arg_all * OUTPUT_SHOW_ALL |
263 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
264 colors_enabled() * OUTPUT_COLOR |
265 !arg_quiet * OUTPUT_WARN_CUTOFF;
266 }
267
268 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
269 assert(error);
270
271 if (!sd_bus_error_is_set(error))
272 return r;
273
274 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
275 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
276 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
277 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
278 return EXIT_NOPERMISSION;
279
280 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
281 return EXIT_NOTINSTALLED;
282
283 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
284 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
285 return EXIT_NOTIMPLEMENTED;
286
287 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
288 return EXIT_NOTCONFIGURED;
289
290 if (r != 0)
291 return r;
292
293 return EXIT_FAILURE;
294 }
295
296 static bool install_client_side(void) {
297 /* Decides when to execute enable/disable/... operations
298 * client-side rather than server-side. */
299
300 if (running_in_chroot_or_offline())
301 return true;
302
303 if (sd_booted() <= 0)
304 return true;
305
306 if (!isempty(arg_root))
307 return true;
308
309 if (arg_scope == UNIT_FILE_GLOBAL)
310 return true;
311
312 /* Unsupported environment variable, mostly for debugging purposes */
313 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
314 return true;
315
316 return false;
317 }
318
319 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
320 const char *d1, *d2;
321 int r;
322
323 /* First, order by machine */
324 if (!a->machine && b->machine)
325 return -1;
326 if (a->machine && !b->machine)
327 return 1;
328 if (a->machine && b->machine) {
329 r = strcasecmp(a->machine, b->machine);
330 if (r != 0)
331 return r;
332 }
333
334 /* Second, order by unit type */
335 d1 = strrchr(a->id, '.');
336 d2 = strrchr(b->id, '.');
337 if (d1 && d2) {
338 r = strcasecmp(d1, d2);
339 if (r != 0)
340 return r;
341 }
342
343 /* Third, order by name */
344 return strcasecmp(a->id, b->id);
345 }
346
347 static const char* unit_type_suffix(const char *name) {
348 const char *dot;
349
350 dot = strrchr(name, '.');
351 if (!dot)
352 return "";
353
354 return dot + 1;
355 }
356
357 static bool output_show_unit(const UnitInfo *u, char **patterns) {
358 assert(u);
359
360 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
361 return false;
362
363 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
364 return false;
365
366 if (arg_all)
367 return true;
368
369 /* Note that '--all' is not purely a state filter, but also a
370 * filter that hides units that "follow" other units (which is
371 * used for device units that appear under different names). */
372 if (!isempty(u->following))
373 return false;
374
375 if (!strv_isempty(arg_states))
376 return true;
377
378 /* By default show all units except the ones in inactive
379 * state and with no pending job */
380 if (u->job_id > 0)
381 return true;
382
383 if (streq(u->active_state, "inactive"))
384 return false;
385
386 return true;
387 }
388
389 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
390 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
391 const UnitInfo *u;
392 unsigned n_shown = 0;
393 int job_count = 0;
394 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
395
396 max_id_len = STRLEN("UNIT");
397 load_len = STRLEN("LOAD");
398 active_len = STRLEN("ACTIVE");
399 sub_len = STRLEN("SUB");
400 job_len = STRLEN("JOB");
401 max_desc_len = STRLEN("DESCRIPTION");
402
403 for (u = unit_infos; u < unit_infos + c; u++) {
404 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
405 load_len = MAX(load_len, strlen(u->load_state));
406 active_len = MAX(active_len, strlen(u->active_state));
407 sub_len = MAX(sub_len, strlen(u->sub_state));
408 max_desc_len = MAX(max_desc_len, strlen(u->description));
409
410 if (u->job_id != 0) {
411 job_len = MAX(job_len, strlen(u->job_type));
412 job_count++;
413 }
414
415 if (!arg_no_legend &&
416 (streq(u->active_state, "failed") ||
417 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
418 circle_len = 2;
419 }
420
421 if (!arg_full && original_stdout_is_tty) {
422 unsigned basic_len;
423
424 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
425 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
426
427 if (job_count)
428 basic_len += job_len + 1;
429
430 if (basic_len < (unsigned) columns()) {
431 unsigned extra_len, incr;
432 extra_len = columns() - basic_len;
433
434 /* Either UNIT already got 25, or is fully satisfied.
435 * Grant up to 25 to DESC now. */
436 incr = MIN(extra_len, 25u);
437 desc_len = incr;
438 extra_len -= incr;
439
440 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
441 * description but not more than it needs. */
442 if (extra_len > 0) {
443 incr = MIN(max_id_len - id_len, extra_len);
444 id_len += incr;
445 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
446 }
447 } else
448 desc_len = 0;
449 } else {
450 id_len = max_id_len;
451 desc_len = max_desc_len;
452 }
453
454 for (u = unit_infos; u < unit_infos + c; u++) {
455 _cleanup_free_ char *e = NULL, *j = NULL;
456 const char *on_underline = "", *off_underline = "";
457 const char *on_loaded = "", *off_loaded = "";
458 const char *on_active = "", *off_active = "";
459 const char *on_circle = "", *off_circle = "";
460 const char *id;
461 bool circle = false, underline = false;
462
463 if (!n_shown && !arg_no_legend) {
464
465 if (circle_len > 0)
466 fputs(" ", stdout);
467
468 printf("%s%-*s %-*s %-*s %-*s ",
469 ansi_underline(),
470 id_len, "UNIT",
471 load_len, "LOAD",
472 active_len, "ACTIVE",
473 sub_len, "SUB");
474
475 if (job_count)
476 printf("%-*s ", job_len, "JOB");
477
478 printf("%-*.*s%s\n",
479 desc_len,
480 full ? -1 : (int) desc_len,
481 "DESCRIPTION",
482 ansi_normal());
483 }
484
485 n_shown++;
486
487 if (u + 1 < unit_infos + c &&
488 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
489 on_underline = ansi_underline();
490 off_underline = ansi_normal();
491 underline = true;
492 }
493
494 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
495 on_circle = ansi_highlight_yellow();
496 off_circle = ansi_normal();
497 circle = true;
498 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
499 off_loaded = underline ? on_underline : ansi_normal();
500 } else if (streq(u->active_state, "failed") && !arg_plain) {
501 on_circle = ansi_highlight_red();
502 off_circle = ansi_normal();
503 circle = true;
504 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
505 off_active = underline ? on_underline : ansi_normal();
506 }
507
508 if (u->machine) {
509 j = strjoin(u->machine, ":", u->id);
510 if (!j)
511 return log_oom();
512
513 id = j;
514 } else
515 id = u->id;
516
517 if (arg_full) {
518 e = ellipsize(id, id_len, 33);
519 if (!e)
520 return log_oom();
521
522 id = e;
523 }
524
525 if (circle_len > 0)
526 printf("%s%s%s ", on_circle, circle ? special_glyph(BLACK_CIRCLE) : " ", off_circle);
527
528 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
529 on_underline,
530 on_active, id_len, id, off_active,
531 on_loaded, load_len, u->load_state, off_loaded,
532 on_active, active_len, u->active_state,
533 sub_len, u->sub_state, off_active,
534 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
535
536 printf("%-*.*s%s\n",
537 desc_len,
538 full ? -1 : (int) desc_len,
539 u->description,
540 off_underline);
541 }
542
543 if (!arg_no_legend) {
544 const char *on, *off;
545
546 if (n_shown) {
547 puts("\n"
548 "LOAD = Reflects whether the unit definition was properly loaded.\n"
549 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
550 "SUB = The low-level unit activation state, values depend on unit type.");
551 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
552 on = ansi_highlight();
553 off = ansi_normal();
554 } else {
555 on = ansi_highlight_red();
556 off = ansi_normal();
557 }
558
559 if (arg_all)
560 printf("%s%u loaded units listed.%s\n"
561 "To show all installed unit files use 'systemctl list-unit-files'.\n",
562 on, n_shown, off);
563 else
564 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
565 "To show all installed unit files use 'systemctl list-unit-files'.\n",
566 on, n_shown, off);
567 }
568
569 return 0;
570 }
571
572 static int get_unit_list(
573 sd_bus *bus,
574 const char *machine,
575 char **patterns,
576 UnitInfo **unit_infos,
577 int c,
578 sd_bus_message **_reply) {
579
580 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
581 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
582 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
583 size_t size = c;
584 int r;
585 UnitInfo u;
586 bool fallback = false;
587
588 assert(bus);
589 assert(unit_infos);
590 assert(_reply);
591
592 r = sd_bus_message_new_method_call(
593 bus,
594 &m,
595 "org.freedesktop.systemd1",
596 "/org/freedesktop/systemd1",
597 "org.freedesktop.systemd1.Manager",
598 "ListUnitsByPatterns");
599 if (r < 0)
600 return bus_log_create_error(r);
601
602 r = sd_bus_message_append_strv(m, arg_states);
603 if (r < 0)
604 return bus_log_create_error(r);
605
606 r = sd_bus_message_append_strv(m, patterns);
607 if (r < 0)
608 return bus_log_create_error(r);
609
610 r = sd_bus_call(bus, m, 0, &error, &reply);
611 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
612 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
613 /* Fallback to legacy ListUnitsFiltered method */
614 fallback = true;
615 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
616 m = sd_bus_message_unref(m);
617 sd_bus_error_free(&error);
618
619 r = sd_bus_message_new_method_call(
620 bus,
621 &m,
622 "org.freedesktop.systemd1",
623 "/org/freedesktop/systemd1",
624 "org.freedesktop.systemd1.Manager",
625 "ListUnitsFiltered");
626 if (r < 0)
627 return bus_log_create_error(r);
628
629 r = sd_bus_message_append_strv(m, arg_states);
630 if (r < 0)
631 return bus_log_create_error(r);
632
633 r = sd_bus_call(bus, m, 0, &error, &reply);
634 }
635 if (r < 0)
636 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
637
638 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
639 if (r < 0)
640 return bus_log_parse_error(r);
641
642 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
643 u.machine = machine;
644
645 if (!output_show_unit(&u, fallback ? patterns : NULL))
646 continue;
647
648 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
649 return log_oom();
650
651 (*unit_infos)[c++] = u;
652 }
653 if (r < 0)
654 return bus_log_parse_error(r);
655
656 r = sd_bus_message_exit_container(reply);
657 if (r < 0)
658 return bus_log_parse_error(r);
659
660 *_reply = TAKE_PTR(reply);
661
662 return c;
663 }
664
665 static void message_set_freep(Set **set) {
666 set_free_with_destructor(*set, sd_bus_message_unref);
667 }
668
669 static int get_unit_list_recursive(
670 sd_bus *bus,
671 char **patterns,
672 UnitInfo **_unit_infos,
673 Set **_replies,
674 char ***_machines) {
675
676 _cleanup_free_ UnitInfo *unit_infos = NULL;
677 _cleanup_(message_set_freep) Set *replies;
678 sd_bus_message *reply;
679 int c, r;
680
681 assert(bus);
682 assert(_replies);
683 assert(_unit_infos);
684 assert(_machines);
685
686 replies = set_new(NULL);
687 if (!replies)
688 return log_oom();
689
690 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
691 if (c < 0)
692 return c;
693
694 r = set_put(replies, reply);
695 if (r < 0) {
696 sd_bus_message_unref(reply);
697 return log_oom();
698 }
699
700 if (arg_recursive) {
701 _cleanup_strv_free_ char **machines = NULL;
702 char **i;
703
704 r = sd_get_machine_names(&machines);
705 if (r < 0)
706 return log_error_errno(r, "Failed to get machine names: %m");
707
708 STRV_FOREACH(i, machines) {
709 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
710 int k;
711
712 r = sd_bus_open_system_machine(&container, *i);
713 if (r < 0) {
714 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
715 continue;
716 }
717
718 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
719 if (k < 0)
720 return k;
721
722 c = k;
723
724 r = set_put(replies, reply);
725 if (r < 0) {
726 sd_bus_message_unref(reply);
727 return log_oom();
728 }
729 }
730
731 *_machines = TAKE_PTR(machines);
732 } else
733 *_machines = NULL;
734
735 *_unit_infos = TAKE_PTR(unit_infos);
736
737 *_replies = TAKE_PTR(replies);
738
739 return c;
740 }
741
742 static int list_units(int argc, char *argv[], void *userdata) {
743 _cleanup_free_ UnitInfo *unit_infos = NULL;
744 _cleanup_(message_set_freep) Set *replies = NULL;
745 _cleanup_strv_free_ char **machines = NULL;
746 sd_bus *bus;
747 int r;
748
749 r = acquire_bus(BUS_MANAGER, &bus);
750 if (r < 0)
751 return r;
752
753 (void) pager_open(arg_pager_flags);
754
755 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
756 if (r < 0)
757 return r;
758
759 typesafe_qsort(unit_infos, r, compare_unit_info);
760 return output_units_list(unit_infos, r);
761 }
762
763 static int get_triggered_units(
764 sd_bus *bus,
765 const char* path,
766 char*** ret) {
767
768 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
769 int r;
770
771 assert(bus);
772 assert(path);
773 assert(ret);
774
775 r = sd_bus_get_property_strv(
776 bus,
777 "org.freedesktop.systemd1",
778 path,
779 "org.freedesktop.systemd1.Unit",
780 "Triggers",
781 &error,
782 ret);
783 if (r < 0)
784 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
785
786 return 0;
787 }
788
789 static int get_listening(
790 sd_bus *bus,
791 const char* unit_path,
792 char*** listening) {
793
794 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
795 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
796 const char *type, *path;
797 int r, n = 0;
798
799 r = sd_bus_get_property(
800 bus,
801 "org.freedesktop.systemd1",
802 unit_path,
803 "org.freedesktop.systemd1.Socket",
804 "Listen",
805 &error,
806 &reply,
807 "a(ss)");
808 if (r < 0)
809 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
810
811 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
812 if (r < 0)
813 return bus_log_parse_error(r);
814
815 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
816
817 r = strv_extend(listening, type);
818 if (r < 0)
819 return log_oom();
820
821 r = strv_extend(listening, path);
822 if (r < 0)
823 return log_oom();
824
825 n++;
826 }
827 if (r < 0)
828 return bus_log_parse_error(r);
829
830 r = sd_bus_message_exit_container(reply);
831 if (r < 0)
832 return bus_log_parse_error(r);
833
834 return n;
835 }
836
837 struct socket_info {
838 const char *machine;
839 const char* id;
840
841 char* type;
842 char* path;
843
844 /* Note: triggered is a list here, although it almost certainly
845 * will always be one unit. Nevertheless, dbus API allows for multiple
846 * values, so let's follow that. */
847 char** triggered;
848
849 /* The strv above is shared. free is set only in the first one. */
850 bool own_triggered;
851 };
852
853 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
854 int r;
855
856 assert(a);
857 assert(b);
858
859 if (!a->machine && b->machine)
860 return -1;
861 if (a->machine && !b->machine)
862 return 1;
863 if (a->machine && b->machine) {
864 r = strcasecmp(a->machine, b->machine);
865 if (r != 0)
866 return r;
867 }
868
869 r = strcmp(a->path, b->path);
870 if (r == 0)
871 r = strcmp(a->type, b->type);
872
873 return r;
874 }
875
876 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
877 struct socket_info *s;
878 unsigned pathlen = STRLEN("LISTEN"),
879 typelen = STRLEN("TYPE") * arg_show_types,
880 socklen = STRLEN("UNIT"),
881 servlen = STRLEN("ACTIVATES");
882 const char *on, *off;
883
884 for (s = socket_infos; s < socket_infos + cs; s++) {
885 unsigned tmp = 0;
886 char **a;
887
888 socklen = MAX(socklen, strlen(s->id));
889 if (arg_show_types)
890 typelen = MAX(typelen, strlen(s->type));
891 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
892
893 STRV_FOREACH(a, s->triggered)
894 tmp += strlen(*a) + 2*(a != s->triggered);
895 servlen = MAX(servlen, tmp);
896 }
897
898 if (cs) {
899 if (!arg_no_legend)
900 printf("%-*s %-*.*s%-*s %s\n",
901 pathlen, "LISTEN",
902 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
903 socklen, "UNIT",
904 "ACTIVATES");
905
906 for (s = socket_infos; s < socket_infos + cs; s++) {
907 _cleanup_free_ char *j = NULL;
908 const char *path;
909 char **a;
910
911 if (s->machine) {
912 j = strjoin(s->machine, ":", s->path);
913 if (!j)
914 return log_oom();
915 path = j;
916 } else
917 path = s->path;
918
919 if (arg_show_types)
920 printf("%-*s %-*s %-*s",
921 pathlen, path, typelen, s->type, socklen, s->id);
922 else
923 printf("%-*s %-*s",
924 pathlen, path, socklen, s->id);
925 STRV_FOREACH(a, s->triggered)
926 printf("%s %s",
927 a == s->triggered ? "" : ",", *a);
928 printf("\n");
929 }
930
931 on = ansi_highlight();
932 off = ansi_normal();
933 if (!arg_no_legend)
934 printf("\n");
935 } else {
936 on = ansi_highlight_red();
937 off = ansi_normal();
938 }
939
940 if (!arg_no_legend) {
941 printf("%s%u sockets listed.%s\n", on, cs, off);
942 if (!arg_all)
943 printf("Pass --all to see loaded but inactive sockets, too.\n");
944 }
945
946 return 0;
947 }
948
949 static int list_sockets(int argc, char *argv[], void *userdata) {
950 _cleanup_(message_set_freep) Set *replies = NULL;
951 _cleanup_strv_free_ char **machines = NULL;
952 _cleanup_free_ UnitInfo *unit_infos = NULL;
953 _cleanup_free_ struct socket_info *socket_infos = NULL;
954 const UnitInfo *u;
955 struct socket_info *s;
956 unsigned cs = 0;
957 size_t size = 0;
958 int r = 0, n;
959 sd_bus *bus;
960
961 r = acquire_bus(BUS_MANAGER, &bus);
962 if (r < 0)
963 return r;
964
965 (void) pager_open(arg_pager_flags);
966
967 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
968 if (n < 0)
969 return n;
970
971 for (u = unit_infos; u < unit_infos + n; u++) {
972 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
973 int i, c;
974
975 if (!endswith(u->id, ".socket"))
976 continue;
977
978 r = get_triggered_units(bus, u->unit_path, &triggered);
979 if (r < 0)
980 goto cleanup;
981
982 c = get_listening(bus, u->unit_path, &listening);
983 if (c < 0) {
984 r = c;
985 goto cleanup;
986 }
987
988 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
989 r = log_oom();
990 goto cleanup;
991 }
992
993 for (i = 0; i < c; i++)
994 socket_infos[cs + i] = (struct socket_info) {
995 .machine = u->machine,
996 .id = u->id,
997 .type = listening[i*2],
998 .path = listening[i*2 + 1],
999 .triggered = triggered,
1000 .own_triggered = i==0,
1001 };
1002
1003 /* from this point on we will cleanup those socket_infos */
1004 cs += c;
1005 free(listening);
1006 listening = triggered = NULL; /* avoid cleanup */
1007 }
1008
1009 typesafe_qsort(socket_infos, cs, socket_info_compare);
1010
1011 output_sockets_list(socket_infos, cs);
1012
1013 cleanup:
1014 assert(cs == 0 || socket_infos);
1015 for (s = socket_infos; s < socket_infos + cs; s++) {
1016 free(s->type);
1017 free(s->path);
1018 if (s->own_triggered)
1019 strv_free(s->triggered);
1020 }
1021
1022 return r;
1023 }
1024
1025 static int get_next_elapse(
1026 sd_bus *bus,
1027 const char *path,
1028 dual_timestamp *next) {
1029
1030 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1031 dual_timestamp t;
1032 int r;
1033
1034 assert(bus);
1035 assert(path);
1036 assert(next);
1037
1038 r = sd_bus_get_property_trivial(
1039 bus,
1040 "org.freedesktop.systemd1",
1041 path,
1042 "org.freedesktop.systemd1.Timer",
1043 "NextElapseUSecMonotonic",
1044 &error,
1045 't',
1046 &t.monotonic);
1047 if (r < 0)
1048 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1049
1050 r = sd_bus_get_property_trivial(
1051 bus,
1052 "org.freedesktop.systemd1",
1053 path,
1054 "org.freedesktop.systemd1.Timer",
1055 "NextElapseUSecRealtime",
1056 &error,
1057 't',
1058 &t.realtime);
1059 if (r < 0)
1060 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1061
1062 *next = t;
1063 return 0;
1064 }
1065
1066 static int get_last_trigger(
1067 sd_bus *bus,
1068 const char *path,
1069 usec_t *last) {
1070
1071 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1072 int r;
1073
1074 assert(bus);
1075 assert(path);
1076 assert(last);
1077
1078 r = sd_bus_get_property_trivial(
1079 bus,
1080 "org.freedesktop.systemd1",
1081 path,
1082 "org.freedesktop.systemd1.Timer",
1083 "LastTriggerUSec",
1084 &error,
1085 't',
1086 last);
1087 if (r < 0)
1088 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1089
1090 return 0;
1091 }
1092
1093 struct timer_info {
1094 const char* machine;
1095 const char* id;
1096 usec_t next_elapse;
1097 usec_t last_trigger;
1098 char** triggered;
1099 };
1100
1101 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1102 int r;
1103
1104 assert(a);
1105 assert(b);
1106
1107 if (!a->machine && b->machine)
1108 return -1;
1109 if (a->machine && !b->machine)
1110 return 1;
1111 if (a->machine && b->machine) {
1112 r = strcasecmp(a->machine, b->machine);
1113 if (r != 0)
1114 return r;
1115 }
1116
1117 r = CMP(a->next_elapse, b->next_elapse);
1118 if (r != 0)
1119 return r;
1120
1121 return strcmp(a->id, b->id);
1122 }
1123
1124 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1125 struct timer_info *t;
1126 unsigned
1127 nextlen = STRLEN("NEXT"),
1128 leftlen = STRLEN("LEFT"),
1129 lastlen = STRLEN("LAST"),
1130 passedlen = STRLEN("PASSED"),
1131 unitlen = STRLEN("UNIT"),
1132 activatelen = STRLEN("ACTIVATES");
1133
1134 const char *on, *off;
1135
1136 assert(timer_infos || n == 0);
1137
1138 for (t = timer_infos; t < timer_infos + n; t++) {
1139 unsigned ul = 0;
1140 char **a;
1141
1142 if (t->next_elapse > 0) {
1143 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1144
1145 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1146 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1147
1148 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1149 leftlen = MAX(leftlen, strlen(trel));
1150 }
1151
1152 if (t->last_trigger > 0) {
1153 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1154
1155 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1156 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1157
1158 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1159 passedlen = MAX(passedlen, strlen(trel));
1160 }
1161
1162 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1163
1164 STRV_FOREACH(a, t->triggered)
1165 ul += strlen(*a) + 2*(a != t->triggered);
1166
1167 activatelen = MAX(activatelen, ul);
1168 }
1169
1170 if (n > 0) {
1171 if (!arg_no_legend)
1172 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1173 nextlen, "NEXT",
1174 leftlen, "LEFT",
1175 lastlen, "LAST",
1176 passedlen, "PASSED",
1177 unitlen, "UNIT",
1178 "ACTIVATES");
1179
1180 for (t = timer_infos; t < timer_infos + n; t++) {
1181 _cleanup_free_ char *j = NULL;
1182 const char *unit;
1183 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1184 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1185 char **a;
1186
1187 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1188 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1189
1190 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1191 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1192
1193 if (t->machine) {
1194 j = strjoin(t->machine, ":", t->id);
1195 if (!j)
1196 return log_oom();
1197 unit = j;
1198 } else
1199 unit = t->id;
1200
1201 printf("%-*s %-*s %-*s %-*s %-*s",
1202 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1203
1204 STRV_FOREACH(a, t->triggered)
1205 printf("%s %s",
1206 a == t->triggered ? "" : ",", *a);
1207 printf("\n");
1208 }
1209
1210 on = ansi_highlight();
1211 off = ansi_normal();
1212 if (!arg_no_legend)
1213 printf("\n");
1214 } else {
1215 on = ansi_highlight_red();
1216 off = ansi_normal();
1217 }
1218
1219 if (!arg_no_legend) {
1220 printf("%s%u timers listed.%s\n", on, n, off);
1221 if (!arg_all)
1222 printf("Pass --all to see loaded but inactive timers, too.\n");
1223 }
1224
1225 return 0;
1226 }
1227
1228 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1229 usec_t next_elapse;
1230
1231 assert(nw);
1232 assert(next);
1233
1234 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1235 usec_t converted;
1236
1237 if (next->monotonic > nw->monotonic)
1238 converted = nw->realtime + (next->monotonic - nw->monotonic);
1239 else
1240 converted = nw->realtime - (nw->monotonic - next->monotonic);
1241
1242 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1243 next_elapse = MIN(converted, next->realtime);
1244 else
1245 next_elapse = converted;
1246
1247 } else
1248 next_elapse = next->realtime;
1249
1250 return next_elapse;
1251 }
1252
1253 static int list_timers(int argc, char *argv[], void *userdata) {
1254 _cleanup_(message_set_freep) Set *replies = NULL;
1255 _cleanup_strv_free_ char **machines = NULL;
1256 _cleanup_free_ struct timer_info *timer_infos = NULL;
1257 _cleanup_free_ UnitInfo *unit_infos = NULL;
1258 struct timer_info *t;
1259 const UnitInfo *u;
1260 size_t size = 0;
1261 int n, c = 0;
1262 dual_timestamp nw;
1263 sd_bus *bus;
1264 int r = 0;
1265
1266 r = acquire_bus(BUS_MANAGER, &bus);
1267 if (r < 0)
1268 return r;
1269
1270 (void) pager_open(arg_pager_flags);
1271
1272 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1273 if (n < 0)
1274 return n;
1275
1276 dual_timestamp_get(&nw);
1277
1278 for (u = unit_infos; u < unit_infos + n; u++) {
1279 _cleanup_strv_free_ char **triggered = NULL;
1280 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1281 usec_t m, last = 0;
1282
1283 if (!endswith(u->id, ".timer"))
1284 continue;
1285
1286 r = get_triggered_units(bus, u->unit_path, &triggered);
1287 if (r < 0)
1288 goto cleanup;
1289
1290 r = get_next_elapse(bus, u->unit_path, &next);
1291 if (r < 0)
1292 goto cleanup;
1293
1294 get_last_trigger(bus, u->unit_path, &last);
1295
1296 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1297 r = log_oom();
1298 goto cleanup;
1299 }
1300
1301 m = calc_next_elapse(&nw, &next);
1302
1303 timer_infos[c++] = (struct timer_info) {
1304 .machine = u->machine,
1305 .id = u->id,
1306 .next_elapse = m,
1307 .last_trigger = last,
1308 .triggered = TAKE_PTR(triggered),
1309 };
1310 }
1311
1312 typesafe_qsort(timer_infos, c, timer_info_compare);
1313
1314 output_timers_list(timer_infos, c);
1315
1316 cleanup:
1317 for (t = timer_infos; t < timer_infos + c; t++)
1318 strv_free(t->triggered);
1319
1320 return r;
1321 }
1322
1323 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1324 const char *d1, *d2;
1325
1326 d1 = strrchr(a->path, '.');
1327 d2 = strrchr(b->path, '.');
1328
1329 if (d1 && d2) {
1330 int r;
1331
1332 r = strcasecmp(d1, d2);
1333 if (r != 0)
1334 return r;
1335 }
1336
1337 return strcasecmp(basename(a->path), basename(b->path));
1338 }
1339
1340 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1341 assert(u);
1342
1343 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1344 return false;
1345
1346 if (!strv_isempty(arg_types)) {
1347 const char *dot;
1348
1349 dot = strrchr(u->path, '.');
1350 if (!dot)
1351 return false;
1352
1353 if (!strv_find(arg_types, dot+1))
1354 return false;
1355 }
1356
1357 if (!strv_isempty(states) &&
1358 !strv_find(states, unit_file_state_to_string(u->state)))
1359 return false;
1360
1361 return true;
1362 }
1363
1364 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1365 unsigned max_id_len, id_cols, state_cols;
1366 const UnitFileList *u;
1367
1368 max_id_len = STRLEN("UNIT FILE");
1369 state_cols = STRLEN("STATE");
1370
1371 for (u = units; u < units + c; u++) {
1372 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1373 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1374 }
1375
1376 if (!arg_full) {
1377 unsigned basic_cols;
1378
1379 id_cols = MIN(max_id_len, 25u);
1380 basic_cols = 1 + id_cols + state_cols;
1381 if (basic_cols < (unsigned) columns())
1382 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1383 } else
1384 id_cols = max_id_len;
1385
1386 if (!arg_no_legend && c > 0)
1387 printf("%s%-*s %-*s%s\n",
1388 ansi_underline(),
1389 id_cols, "UNIT FILE",
1390 state_cols, "STATE",
1391 ansi_normal());
1392
1393 for (u = units; u < units + c; u++) {
1394 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1395 _cleanup_free_ char *e = NULL;
1396 bool underline;
1397
1398 underline = u + 1 < units + c &&
1399 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1400
1401 if (underline)
1402 on_underline = ansi_underline();
1403
1404 if (IN_SET(u->state,
1405 UNIT_FILE_MASKED,
1406 UNIT_FILE_MASKED_RUNTIME,
1407 UNIT_FILE_DISABLED,
1408 UNIT_FILE_BAD))
1409 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1410 else if (u->state == UNIT_FILE_ENABLED)
1411 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1412
1413 if (on_underline || on_color)
1414 off = ansi_normal();
1415
1416 id = basename(u->path);
1417
1418 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1419
1420 printf("%s%-*s %s%-*s%s\n",
1421 strempty(on_underline),
1422 id_cols, e ? e : id,
1423 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1424 }
1425
1426 if (!arg_no_legend)
1427 printf("\n%u unit files listed.\n", c);
1428 }
1429
1430 static int list_unit_files(int argc, char *argv[], void *userdata) {
1431 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1432 _cleanup_free_ UnitFileList *units = NULL;
1433 UnitFileList *unit;
1434 size_t size = 0;
1435 unsigned c = 0;
1436 const char *state;
1437 char *path;
1438 int r;
1439 bool fallback = false;
1440
1441 if (install_client_side()) {
1442 Hashmap *h;
1443 UnitFileList *u;
1444 Iterator i;
1445 unsigned n_units;
1446
1447 h = hashmap_new(&string_hash_ops);
1448 if (!h)
1449 return log_oom();
1450
1451 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1452 if (r < 0) {
1453 unit_file_list_free(h);
1454 return log_error_errno(r, "Failed to get unit file list: %m");
1455 }
1456
1457 n_units = hashmap_size(h);
1458
1459 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1460 if (!units) {
1461 unit_file_list_free(h);
1462 return log_oom();
1463 }
1464
1465 HASHMAP_FOREACH(u, h, i) {
1466 if (!output_show_unit_file(u, NULL, NULL))
1467 continue;
1468
1469 units[c++] = *u;
1470 free(u);
1471 }
1472
1473 assert(c <= n_units);
1474 hashmap_free(h);
1475
1476 r = 0;
1477 } else {
1478 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1479 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1480 sd_bus *bus;
1481
1482 r = acquire_bus(BUS_MANAGER, &bus);
1483 if (r < 0)
1484 return r;
1485
1486 r = sd_bus_message_new_method_call(
1487 bus,
1488 &m,
1489 "org.freedesktop.systemd1",
1490 "/org/freedesktop/systemd1",
1491 "org.freedesktop.systemd1.Manager",
1492 "ListUnitFilesByPatterns");
1493 if (r < 0)
1494 return bus_log_create_error(r);
1495
1496 r = sd_bus_message_append_strv(m, arg_states);
1497 if (r < 0)
1498 return bus_log_create_error(r);
1499
1500 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1501 if (r < 0)
1502 return bus_log_create_error(r);
1503
1504 r = sd_bus_call(bus, m, 0, &error, &reply);
1505 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1506 /* Fallback to legacy ListUnitFiles method */
1507 fallback = true;
1508 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1509 m = sd_bus_message_unref(m);
1510 sd_bus_error_free(&error);
1511
1512 r = sd_bus_message_new_method_call(
1513 bus,
1514 &m,
1515 "org.freedesktop.systemd1",
1516 "/org/freedesktop/systemd1",
1517 "org.freedesktop.systemd1.Manager",
1518 "ListUnitFiles");
1519 if (r < 0)
1520 return bus_log_create_error(r);
1521
1522 r = sd_bus_call(bus, m, 0, &error, &reply);
1523 }
1524 if (r < 0)
1525 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1526
1527 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1528 if (r < 0)
1529 return bus_log_parse_error(r);
1530
1531 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1532
1533 if (!GREEDY_REALLOC(units, size, c + 1))
1534 return log_oom();
1535
1536 units[c] = (struct UnitFileList) {
1537 path,
1538 unit_file_state_from_string(state)
1539 };
1540
1541 if (output_show_unit_file(&units[c],
1542 fallback ? arg_states : NULL,
1543 fallback ? strv_skip(argv, 1) : NULL))
1544 c++;
1545
1546 }
1547 if (r < 0)
1548 return bus_log_parse_error(r);
1549
1550 r = sd_bus_message_exit_container(reply);
1551 if (r < 0)
1552 return bus_log_parse_error(r);
1553 }
1554
1555 (void) pager_open(arg_pager_flags);
1556
1557 typesafe_qsort(units, c, compare_unit_file_list);
1558 output_unit_file_list(units, c);
1559
1560 if (install_client_side())
1561 for (unit = units; unit < units + c; unit++)
1562 free(unit->path);
1563
1564 return 0;
1565 }
1566
1567 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1568 _cleanup_free_ char *n = NULL;
1569 size_t max_len = MAX(columns(),20u);
1570 size_t len = 0;
1571 int i;
1572
1573 if (!arg_plain) {
1574
1575 for (i = level - 1; i >= 0; i--) {
1576 len += 2;
1577 if (len > max_len - 3 && !arg_full) {
1578 printf("%s...\n",max_len % 2 ? "" : " ");
1579 return 0;
1580 }
1581 printf("%s", special_glyph(branches & (1 << i) ? TREE_VERTICAL : TREE_SPACE));
1582 }
1583 len += 2;
1584
1585 if (len > max_len - 3 && !arg_full) {
1586 printf("%s...\n",max_len % 2 ? "" : " ");
1587 return 0;
1588 }
1589
1590 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
1591 }
1592
1593 if (arg_full) {
1594 printf("%s\n", name);
1595 return 0;
1596 }
1597
1598 n = ellipsize(name, max_len-len, 100);
1599 if (!n)
1600 return log_oom();
1601
1602 printf("%s\n", n);
1603 return 0;
1604 }
1605
1606 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1607 struct DependencyStatusInfo {
1608 char **dep[5];
1609 } info = {};
1610
1611 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1612 [DEPENDENCY_FORWARD] = {
1613 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1614 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1615 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1616 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1617 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1618 {}
1619 },
1620 [DEPENDENCY_REVERSE] = {
1621 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1622 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1623 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1624 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1625 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1626 {}
1627 },
1628 [DEPENDENCY_AFTER] = {
1629 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1630 {}
1631 },
1632 [DEPENDENCY_BEFORE] = {
1633 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1634 {}
1635 },
1636 };
1637
1638 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1639 _cleanup_strv_free_ char **ret = NULL;
1640 _cleanup_free_ char *path = NULL;
1641 int i, r;
1642
1643 assert(bus);
1644 assert(name);
1645 assert(deps);
1646
1647 path = unit_dbus_path_from_name(name);
1648 if (!path)
1649 return log_oom();
1650
1651 r = bus_map_all_properties(bus,
1652 "org.freedesktop.systemd1",
1653 path,
1654 map[arg_dependency],
1655 BUS_MAP_STRDUP,
1656 &error,
1657 NULL,
1658 &info);
1659 if (r < 0)
1660 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1661
1662 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1663 *deps = info.dep[0];
1664 return 0;
1665 }
1666
1667 for (i = 0; i < 5; i++) {
1668 r = strv_extend_strv(&ret, info.dep[i], true);
1669 if (r < 0)
1670 return log_oom();
1671 info.dep[i] = strv_free(info.dep[i]);
1672 }
1673
1674 *deps = TAKE_PTR(ret);
1675
1676 return 0;
1677 }
1678
1679 static int list_dependencies_compare(char * const *a, char * const *b) {
1680 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1681 return 1;
1682 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1683 return -1;
1684
1685 return strcasecmp(*a, *b);
1686 }
1687
1688 static int list_dependencies_one(
1689 sd_bus *bus,
1690 const char *name,
1691 int level,
1692 char ***units,
1693 unsigned branches) {
1694
1695 _cleanup_strv_free_ char **deps = NULL;
1696 char **c;
1697 int r = 0;
1698
1699 assert(bus);
1700 assert(name);
1701 assert(units);
1702
1703 r = strv_extend(units, name);
1704 if (r < 0)
1705 return log_oom();
1706
1707 r = list_dependencies_get_dependencies(bus, name, &deps);
1708 if (r < 0)
1709 return r;
1710
1711 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1712
1713 STRV_FOREACH(c, deps) {
1714 if (strv_contains(*units, *c)) {
1715 if (!arg_plain) {
1716 printf(" ");
1717 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1718 if (r < 0)
1719 return r;
1720 }
1721 continue;
1722 }
1723
1724 if (arg_plain)
1725 printf(" ");
1726 else {
1727 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1728 const char *on;
1729
1730 (void) get_state_one_unit(bus, *c, &active_state);
1731
1732 switch (active_state) {
1733 case UNIT_ACTIVE:
1734 case UNIT_RELOADING:
1735 case UNIT_ACTIVATING:
1736 on = ansi_highlight_green();
1737 break;
1738
1739 case UNIT_INACTIVE:
1740 case UNIT_DEACTIVATING:
1741 on = ansi_normal();
1742 break;
1743
1744 default:
1745 on = ansi_highlight_red();
1746 break;
1747 }
1748
1749 printf("%s%s%s ", on, special_glyph(BLACK_CIRCLE), ansi_normal());
1750 }
1751
1752 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1753 if (r < 0)
1754 return r;
1755
1756 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1757 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1758 if (r < 0)
1759 return r;
1760 }
1761 }
1762
1763 if (!arg_plain)
1764 strv_remove(*units, name);
1765
1766 return 0;
1767 }
1768
1769 static int list_dependencies(int argc, char *argv[], void *userdata) {
1770 _cleanup_strv_free_ char **units = NULL;
1771 _cleanup_free_ char *unit = NULL;
1772 const char *u;
1773 sd_bus *bus;
1774 int r;
1775
1776 if (argv[1]) {
1777 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1778 if (r < 0)
1779 return log_error_errno(r, "Failed to mangle unit name: %m");
1780
1781 u = unit;
1782 } else
1783 u = SPECIAL_DEFAULT_TARGET;
1784
1785 r = acquire_bus(BUS_MANAGER, &bus);
1786 if (r < 0)
1787 return r;
1788
1789 (void) pager_open(arg_pager_flags);
1790
1791 puts(u);
1792
1793 return list_dependencies_one(bus, u, 0, &units, 0);
1794 }
1795
1796 struct machine_info {
1797 bool is_host;
1798 char *name;
1799 char *state;
1800 char *control_group;
1801 uint32_t n_failed_units;
1802 uint32_t n_jobs;
1803 usec_t timestamp;
1804 };
1805
1806 static const struct bus_properties_map machine_info_property_map[] = {
1807 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1808 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1809 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1810 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1811 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1812 {}
1813 };
1814
1815 static void machine_info_clear(struct machine_info *info) {
1816 assert(info);
1817
1818 free(info->name);
1819 free(info->state);
1820 free(info->control_group);
1821 zero(*info);
1822 }
1823
1824 static void free_machines_list(struct machine_info *machine_infos, int n) {
1825 int i;
1826
1827 if (!machine_infos)
1828 return;
1829
1830 for (i = 0; i < n; i++)
1831 machine_info_clear(&machine_infos[i]);
1832
1833 free(machine_infos);
1834 }
1835
1836 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1837 int r;
1838
1839 r = CMP(b->is_host, a->is_host);
1840 if (r != 0)
1841 return r;
1842
1843 return strcasecmp(a->name, b->name);
1844 }
1845
1846 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1847 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1848 int r;
1849
1850 assert(mi);
1851
1852 if (!bus) {
1853 r = sd_bus_open_system_machine(&container, mi->name);
1854 if (r < 0)
1855 return r;
1856
1857 bus = container;
1858 }
1859
1860 r = bus_map_all_properties(
1861 bus,
1862 "org.freedesktop.systemd1",
1863 "/org/freedesktop/systemd1",
1864 machine_info_property_map,
1865 BUS_MAP_STRDUP,
1866 NULL,
1867 NULL,
1868 mi);
1869 if (r < 0)
1870 return r;
1871
1872 return 0;
1873 }
1874
1875 static bool output_show_machine(const char *name, char **patterns) {
1876 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1877 }
1878
1879 static int get_machine_list(
1880 sd_bus *bus,
1881 struct machine_info **_machine_infos,
1882 char **patterns) {
1883
1884 struct machine_info *machine_infos = NULL;
1885 _cleanup_strv_free_ char **m = NULL;
1886 _cleanup_free_ char *hn = NULL;
1887 size_t sz = 0;
1888 char **i;
1889 int c = 0, r;
1890
1891 hn = gethostname_malloc();
1892 if (!hn)
1893 return log_oom();
1894
1895 if (output_show_machine(hn, patterns)) {
1896 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1897 return log_oom();
1898
1899 machine_infos[c].is_host = true;
1900 machine_infos[c].name = TAKE_PTR(hn);
1901
1902 (void) get_machine_properties(bus, &machine_infos[c]);
1903 c++;
1904 }
1905
1906 r = sd_get_machine_names(&m);
1907 if (r < 0)
1908 return log_error_errno(r, "Failed to get machine list: %m");
1909
1910 STRV_FOREACH(i, m) {
1911 _cleanup_free_ char *class = NULL;
1912
1913 if (!output_show_machine(*i, patterns))
1914 continue;
1915
1916 sd_machine_get_class(*i, &class);
1917 if (!streq_ptr(class, "container"))
1918 continue;
1919
1920 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1921 free_machines_list(machine_infos, c);
1922 return log_oom();
1923 }
1924
1925 machine_infos[c].is_host = false;
1926 machine_infos[c].name = strdup(*i);
1927 if (!machine_infos[c].name) {
1928 free_machines_list(machine_infos, c);
1929 return log_oom();
1930 }
1931
1932 (void) get_machine_properties(NULL, &machine_infos[c]);
1933 c++;
1934 }
1935
1936 *_machine_infos = machine_infos;
1937 return c;
1938 }
1939
1940 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1941 struct machine_info *m;
1942 unsigned
1943 circle_len = 0,
1944 namelen = STRLEN("NAME"),
1945 statelen = STRLEN("STATE"),
1946 failedlen = STRLEN("FAILED"),
1947 jobslen = STRLEN("JOBS");
1948
1949 assert(machine_infos || n == 0);
1950
1951 for (m = machine_infos; m < machine_infos + n; m++) {
1952 namelen = MAX(namelen,
1953 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1954 statelen = MAX(statelen, strlen_ptr(m->state));
1955 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1956 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1957
1958 if (!arg_plain && !streq_ptr(m->state, "running"))
1959 circle_len = 2;
1960 }
1961
1962 if (!arg_no_legend) {
1963 if (circle_len > 0)
1964 fputs(" ", stdout);
1965
1966 printf("%-*s %-*s %-*s %-*s\n",
1967 namelen, "NAME",
1968 statelen, "STATE",
1969 failedlen, "FAILED",
1970 jobslen, "JOBS");
1971 }
1972
1973 for (m = machine_infos; m < machine_infos + n; m++) {
1974 const char *on_state = "", *off_state = "";
1975 const char *on_failed = "", *off_failed = "";
1976 bool circle = false;
1977
1978 if (streq_ptr(m->state, "degraded")) {
1979 on_state = ansi_highlight_red();
1980 off_state = ansi_normal();
1981 circle = true;
1982 } else if (!streq_ptr(m->state, "running")) {
1983 on_state = ansi_highlight_yellow();
1984 off_state = ansi_normal();
1985 circle = true;
1986 }
1987
1988 if (m->n_failed_units > 0) {
1989 on_failed = ansi_highlight_red();
1990 off_failed = ansi_normal();
1991 } else
1992 on_failed = off_failed = "";
1993
1994 if (circle_len > 0)
1995 printf("%s%s%s ", on_state, circle ? special_glyph(BLACK_CIRCLE) : " ", off_state);
1996
1997 if (m->is_host)
1998 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
1999 (int) (namelen - (STRLEN(" (host)"))),
2000 strna(m->name),
2001 on_state, statelen, strna(m->state), off_state,
2002 on_failed, failedlen, m->n_failed_units, off_failed,
2003 jobslen, m->n_jobs);
2004 else
2005 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2006 namelen, strna(m->name),
2007 on_state, statelen, strna(m->state), off_state,
2008 on_failed, failedlen, m->n_failed_units, off_failed,
2009 jobslen, m->n_jobs);
2010 }
2011
2012 if (!arg_no_legend)
2013 printf("\n%u machines listed.\n", n);
2014 }
2015
2016 static int list_machines(int argc, char *argv[], void *userdata) {
2017 struct machine_info *machine_infos = NULL;
2018 sd_bus *bus;
2019 int r;
2020
2021 r = acquire_bus(BUS_MANAGER, &bus);
2022 if (r < 0)
2023 return r;
2024
2025 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2026 if (r < 0)
2027 return r;
2028
2029 (void) pager_open(arg_pager_flags);
2030
2031 typesafe_qsort(machine_infos, r, compare_machine_info);
2032 output_machines_list(machine_infos, r);
2033 free_machines_list(machine_infos, r);
2034
2035 return 0;
2036 }
2037
2038 static int get_default(int argc, char *argv[], void *userdata) {
2039 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2040 _cleanup_free_ char *_path = NULL;
2041 const char *path;
2042 int r;
2043
2044 if (install_client_side()) {
2045 r = unit_file_get_default(arg_scope, arg_root, &_path);
2046 if (r < 0)
2047 return log_error_errno(r, "Failed to get default target: %m");
2048 path = _path;
2049
2050 r = 0;
2051 } else {
2052 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2053 sd_bus *bus;
2054
2055 r = acquire_bus(BUS_MANAGER, &bus);
2056 if (r < 0)
2057 return r;
2058
2059 r = sd_bus_call_method(
2060 bus,
2061 "org.freedesktop.systemd1",
2062 "/org/freedesktop/systemd1",
2063 "org.freedesktop.systemd1.Manager",
2064 "GetDefaultTarget",
2065 &error,
2066 &reply,
2067 NULL);
2068 if (r < 0)
2069 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2070
2071 r = sd_bus_message_read(reply, "s", &path);
2072 if (r < 0)
2073 return bus_log_parse_error(r);
2074 }
2075
2076 if (path)
2077 printf("%s\n", path);
2078
2079 return 0;
2080 }
2081
2082 static int set_default(int argc, char *argv[], void *userdata) {
2083 _cleanup_free_ char *unit = NULL;
2084 UnitFileChange *changes = NULL;
2085 size_t n_changes = 0;
2086 int r;
2087
2088 assert(argc >= 2);
2089 assert(argv);
2090
2091 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2092 if (r < 0)
2093 return log_error_errno(r, "Failed to mangle unit name: %m");
2094
2095 if (install_client_side()) {
2096 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2097 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2098
2099 if (r > 0)
2100 r = 0;
2101 } else {
2102 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2103 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2104 sd_bus *bus;
2105
2106 polkit_agent_open_maybe();
2107
2108 r = acquire_bus(BUS_MANAGER, &bus);
2109 if (r < 0)
2110 return r;
2111
2112 r = sd_bus_call_method(
2113 bus,
2114 "org.freedesktop.systemd1",
2115 "/org/freedesktop/systemd1",
2116 "org.freedesktop.systemd1.Manager",
2117 "SetDefaultTarget",
2118 &error,
2119 &reply,
2120 "sb", unit, 1);
2121 if (r < 0)
2122 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2123
2124 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2125 if (r < 0)
2126 goto finish;
2127
2128 /* Try to reload if enabled */
2129 if (!arg_no_reload)
2130 r = daemon_reload(argc, argv, userdata);
2131 else
2132 r = 0;
2133 }
2134
2135 finish:
2136 unit_file_changes_free(changes, n_changes);
2137
2138 return r;
2139 }
2140
2141 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2142 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2143 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2144 const char *name, *type;
2145 uint32_t other_id;
2146 int r;
2147
2148 assert(bus);
2149
2150 r = sd_bus_call_method(
2151 bus,
2152 "org.freedesktop.systemd1",
2153 "/org/freedesktop/systemd1",
2154 "org.freedesktop.systemd1.Manager",
2155 method,
2156 &error,
2157 &reply,
2158 "u", id);
2159 if (r < 0)
2160 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2161
2162 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2163 if (r < 0)
2164 return bus_log_parse_error(r);
2165
2166 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2167 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2168 if (r < 0)
2169 return bus_log_parse_error(r);
2170
2171 r = sd_bus_message_exit_container(reply);
2172 if (r < 0)
2173 return bus_log_parse_error(r);
2174
2175 return 0;
2176 }
2177
2178 struct job_info {
2179 uint32_t id;
2180 const char *name, *type, *state;
2181 };
2182
2183 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2184 unsigned id_len, unit_len, type_len, state_len;
2185 const struct job_info *j;
2186 const char *on, *off;
2187 bool shorten = false;
2188
2189 assert(n == 0 || jobs);
2190
2191 if (n == 0) {
2192 if (!arg_no_legend) {
2193 on = ansi_highlight_green();
2194 off = ansi_normal();
2195
2196 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2197 }
2198 return;
2199 }
2200
2201 (void) pager_open(arg_pager_flags);
2202
2203 id_len = STRLEN("JOB");
2204 unit_len = STRLEN("UNIT");
2205 type_len = STRLEN("TYPE");
2206 state_len = STRLEN("STATE");
2207
2208 for (j = jobs; j < jobs + n; j++) {
2209 uint32_t id = j->id;
2210 assert(j->name && j->type && j->state);
2211
2212 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2213 unit_len = MAX(unit_len, strlen(j->name));
2214 type_len = MAX(type_len, strlen(j->type));
2215 state_len = MAX(state_len, strlen(j->state));
2216 }
2217
2218 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2219 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2220 shorten = true;
2221 }
2222
2223 if (!arg_no_legend)
2224 printf("%*s %-*s %-*s %-*s\n",
2225 id_len, "JOB",
2226 unit_len, "UNIT",
2227 type_len, "TYPE",
2228 state_len, "STATE");
2229
2230 for (j = jobs; j < jobs + n; j++) {
2231 _cleanup_free_ char *e = NULL;
2232
2233 if (streq(j->state, "running")) {
2234 on = ansi_highlight();
2235 off = ansi_normal();
2236 } else
2237 on = off = "";
2238
2239 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2240 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2241 id_len, j->id,
2242 on, unit_len, e ? e : j->name, off,
2243 type_len, j->type,
2244 on, state_len, j->state, off);
2245
2246 if (arg_jobs_after)
2247 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2248 if (arg_jobs_before)
2249 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2250 }
2251
2252 if (!arg_no_legend) {
2253 on = ansi_highlight();
2254 off = ansi_normal();
2255
2256 printf("\n%s%u jobs listed%s.\n", on, n, off);
2257 }
2258 }
2259
2260 static bool output_show_job(struct job_info *job, char **patterns) {
2261 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2262 }
2263
2264 static int list_jobs(int argc, char *argv[], void *userdata) {
2265 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2266 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2267 _cleanup_free_ struct job_info *jobs = NULL;
2268 const char *name, *type, *state;
2269 bool skipped = false;
2270 size_t size = 0;
2271 unsigned c = 0;
2272 sd_bus *bus;
2273 uint32_t id;
2274 int r;
2275
2276 r = acquire_bus(BUS_MANAGER, &bus);
2277 if (r < 0)
2278 return r;
2279
2280 r = sd_bus_call_method(
2281 bus,
2282 "org.freedesktop.systemd1",
2283 "/org/freedesktop/systemd1",
2284 "org.freedesktop.systemd1.Manager",
2285 "ListJobs",
2286 &error,
2287 &reply,
2288 NULL);
2289 if (r < 0)
2290 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2291
2292 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2293 if (r < 0)
2294 return bus_log_parse_error(r);
2295
2296 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2297 struct job_info job = { id, name, type, state };
2298
2299 if (!output_show_job(&job, strv_skip(argv, 1))) {
2300 skipped = true;
2301 continue;
2302 }
2303
2304 if (!GREEDY_REALLOC(jobs, size, c + 1))
2305 return log_oom();
2306
2307 jobs[c++] = job;
2308 }
2309 if (r < 0)
2310 return bus_log_parse_error(r);
2311
2312 r = sd_bus_message_exit_container(reply);
2313 if (r < 0)
2314 return bus_log_parse_error(r);
2315
2316 (void) pager_open(arg_pager_flags);
2317
2318 output_jobs_list(bus, jobs, c, skipped);
2319 return 0;
2320 }
2321
2322 static int cancel_job(int argc, char *argv[], void *userdata) {
2323 sd_bus *bus;
2324 char **name;
2325 int r = 0;
2326
2327 if (argc <= 1)
2328 return trivial_method(argc, argv, userdata);
2329
2330 r = acquire_bus(BUS_MANAGER, &bus);
2331 if (r < 0)
2332 return r;
2333
2334 polkit_agent_open_maybe();
2335
2336 STRV_FOREACH(name, strv_skip(argv, 1)) {
2337 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2338 uint32_t id;
2339 int q;
2340
2341 q = safe_atou32(*name, &id);
2342 if (q < 0)
2343 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2344
2345 q = sd_bus_call_method(
2346 bus,
2347 "org.freedesktop.systemd1",
2348 "/org/freedesktop/systemd1",
2349 "org.freedesktop.systemd1.Manager",
2350 "CancelJob",
2351 &error,
2352 NULL,
2353 "u", id);
2354 if (q < 0) {
2355 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2356 if (r == 0)
2357 r = q;
2358 }
2359 }
2360
2361 return r;
2362 }
2363
2364 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2365 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2366 const char *path;
2367 int b, r;
2368
2369 /* We ignore all errors here, since this is used to show a
2370 * warning only */
2371
2372 /* We don't use unit_dbus_path_from_name() directly since we
2373 * don't want to load the unit if it isn't loaded. */
2374
2375 r = sd_bus_call_method(
2376 bus,
2377 "org.freedesktop.systemd1",
2378 "/org/freedesktop/systemd1",
2379 "org.freedesktop.systemd1.Manager",
2380 "GetUnit",
2381 NULL,
2382 &reply,
2383 "s", unit);
2384 if (r < 0)
2385 return r;
2386
2387 r = sd_bus_message_read(reply, "o", &path);
2388 if (r < 0)
2389 return r;
2390
2391 r = sd_bus_get_property_trivial(
2392 bus,
2393 "org.freedesktop.systemd1",
2394 path,
2395 "org.freedesktop.systemd1.Unit",
2396 "NeedDaemonReload",
2397 NULL,
2398 'b', &b);
2399 if (r < 0)
2400 return r;
2401
2402 return b;
2403 }
2404
2405 static void warn_unit_file_changed(const char *name) {
2406 assert(name);
2407
2408 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.",
2409 ansi_highlight_red(),
2410 ansi_normal(),
2411 name,
2412 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2413 }
2414
2415 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2416 char **p;
2417
2418 assert(lp);
2419 assert(unit_name);
2420
2421 STRV_FOREACH(p, lp->search_path) {
2422 _cleanup_free_ char *path = NULL, *lpath = NULL;
2423 int r;
2424
2425 path = path_join(*p, unit_name);
2426 if (!path)
2427 return log_oom();
2428
2429 r = chase_symlinks(path, arg_root, 0, &lpath);
2430 if (r == -ENOENT)
2431 continue;
2432 if (r == -ENOMEM)
2433 return log_oom();
2434 if (r < 0)
2435 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2436
2437 if (ret_unit_path)
2438 *ret_unit_path = TAKE_PTR(lpath);
2439
2440 return 1;
2441 }
2442
2443 if (ret_unit_path)
2444 *ret_unit_path = NULL;
2445
2446 return 0;
2447 }
2448
2449 static int unit_find_template_path(
2450 const char *unit_name,
2451 LookupPaths *lp,
2452 char **ret_fragment_path,
2453 char **ret_template) {
2454
2455 _cleanup_free_ char *t = NULL, *f = NULL;
2456 int r;
2457
2458 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2459
2460 r = unit_file_find_path(lp, unit_name, &f);
2461 if (r < 0)
2462 return r;
2463 if (r > 0) {
2464 if (ret_fragment_path)
2465 *ret_fragment_path = TAKE_PTR(f);
2466 if (ret_template)
2467 *ret_template = NULL;
2468 return r; /* found a real unit */
2469 }
2470
2471 r = unit_name_template(unit_name, &t);
2472 if (r == -EINVAL) {
2473 if (ret_fragment_path)
2474 *ret_fragment_path = NULL;
2475 if (ret_template)
2476 *ret_template = NULL;
2477
2478 return 0; /* not a template, does not exist */
2479 }
2480 if (r < 0)
2481 return log_error_errno(r, "Failed to determine template name: %m");
2482
2483 r = unit_file_find_path(lp, t, ret_fragment_path);
2484 if (r < 0)
2485 return r;
2486
2487 if (ret_template)
2488 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2489
2490 return r;
2491 }
2492
2493 static int unit_find_paths(
2494 sd_bus *bus,
2495 const char *unit_name,
2496 LookupPaths *lp,
2497 bool force_client_side,
2498 char **ret_fragment_path,
2499 char ***ret_dropin_paths) {
2500
2501 _cleanup_strv_free_ char **dropins = NULL;
2502 _cleanup_free_ char *path = NULL;
2503 int r;
2504
2505 /**
2506 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is found, and
2507 * sets:
2508 * - the path to the unit in *ret_frament_path, if it exists on disk,
2509 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins were found.
2510 *
2511 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for some
2512 * reason (the latter only applies if we are going through the service manager)
2513 */
2514
2515 assert(unit_name);
2516 assert(ret_fragment_path);
2517 assert(lp);
2518
2519 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2520 if (!force_client_side &&
2521 !install_client_side() &&
2522 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2523 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2524 _cleanup_free_ char *load_state = NULL, *unit = NULL;
2525
2526 unit = unit_dbus_path_from_name(unit_name);
2527 if (!unit)
2528 return log_oom();
2529
2530 r = sd_bus_get_property_string(
2531 bus,
2532 "org.freedesktop.systemd1",
2533 unit,
2534 "org.freedesktop.systemd1.Unit",
2535 "LoadState",
2536 &error,
2537 &load_state);
2538 if (r < 0)
2539 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2540
2541 if (streq(load_state, "masked"))
2542 return -ERFKILL;
2543 if (streq(load_state, "not-found")) {
2544 r = 0;
2545 goto not_found;
2546 }
2547 if (!streq(load_state, "loaded"))
2548 return -EKEYREJECTED;
2549
2550 r = sd_bus_get_property_string(
2551 bus,
2552 "org.freedesktop.systemd1",
2553 unit,
2554 "org.freedesktop.systemd1.Unit",
2555 "FragmentPath",
2556 &error,
2557 &path);
2558 if (r < 0)
2559 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2560
2561 if (ret_dropin_paths) {
2562 r = sd_bus_get_property_strv(
2563 bus,
2564 "org.freedesktop.systemd1",
2565 unit,
2566 "org.freedesktop.systemd1.Unit",
2567 "DropInPaths",
2568 &error,
2569 &dropins);
2570 if (r < 0)
2571 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2572 }
2573 } else {
2574 _cleanup_set_free_ Set *names = NULL;
2575 _cleanup_free_ char *template = NULL;
2576
2577 names = set_new(NULL);
2578 if (!names)
2579 return log_oom();
2580
2581 r = unit_find_template_path(unit_name, lp, &path, &template);
2582 if (r < 0)
2583 return r;
2584 if (r > 0) {
2585 if (null_or_empty_path(path))
2586 /* The template is masked. Let's cut the process short. */
2587 return -ERFKILL;
2588
2589 /* We found the unit file. If we followed symlinks, this name might be
2590 * different then the unit_name with started with. Look for dropins matching
2591 * that "final" name. */
2592 r = set_put(names, basename(path));
2593 } else if (!template)
2594 /* No unit file, let's look for dropins matching the original name.
2595 * systemd has fairly complicated rules (based on unit type and provenience),
2596 * which units are allowed not to have the main unit file. We err on the
2597 * side of including too many files, and always try to load dropins. */
2598 r = set_put(names, unit_name);
2599 else
2600 /* The cases where we allow a unit to exist without the main file are
2601 * never valid for templates. Don't try to load dropins in this case. */
2602 goto not_found;
2603
2604 if (r < 0)
2605 return log_error_errno(r, "Failed to add unit name: %m");
2606
2607 if (ret_dropin_paths) {
2608 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, NULL, names, &dropins);
2609 if (r < 0)
2610 return r;
2611 }
2612 }
2613
2614 r = 0;
2615
2616 if (!isempty(path)) {
2617 *ret_fragment_path = TAKE_PTR(path);
2618 r = 1;
2619 } else
2620 *ret_fragment_path = NULL;
2621
2622 if (ret_dropin_paths) {
2623 if (!strv_isempty(dropins)) {
2624 *ret_dropin_paths = TAKE_PTR(dropins);
2625 r = 1;
2626 } else
2627 *ret_dropin_paths = NULL;
2628 }
2629
2630 not_found:
2631 if (r == 0 && !arg_force)
2632 log_error("No files found for %s.", unit_name);
2633
2634 return r;
2635 }
2636
2637 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2638 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2639 _cleanup_free_ char *buf = NULL, *path = NULL;
2640 UnitActiveState state;
2641 int r;
2642
2643 assert(name);
2644 assert(active_state);
2645
2646 path = unit_dbus_path_from_name(name);
2647 if (!path)
2648 return log_oom();
2649
2650 r = sd_bus_get_property_string(
2651 bus,
2652 "org.freedesktop.systemd1",
2653 path,
2654 "org.freedesktop.systemd1.Unit",
2655 "ActiveState",
2656 &error,
2657 &buf);
2658 if (r < 0)
2659 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2660
2661 state = unit_active_state_from_string(buf);
2662 if (state == _UNIT_ACTIVE_STATE_INVALID) {
2663 log_error("Invalid unit state '%s' for: %s", buf, name);
2664 return -EINVAL;
2665 }
2666
2667 *active_state = state;
2668 return 0;
2669 }
2670
2671 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2672 _cleanup_free_ char *load_state = NULL;
2673 int r;
2674
2675 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2676 _cleanup_free_ char *path = NULL;
2677
2678 /* A template cannot be loaded, but it can be still masked, so
2679 * we need to use a different method. */
2680
2681 r = unit_file_find_path(lp, name, &path);
2682 if (r < 0)
2683 return r;
2684 if (r == 0)
2685 return false;
2686 return null_or_empty_path(path);
2687 }
2688
2689 r = unit_load_state(bus, name, &load_state);
2690 if (r < 0)
2691 return r;
2692
2693 return streq(load_state, "masked");
2694 }
2695
2696 static int check_triggering_units(sd_bus *bus, const char *name) {
2697 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2698 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2699 _cleanup_strv_free_ char **triggered_by = NULL;
2700 bool print_warning_label = true;
2701 UnitActiveState active_state;
2702 char **i;
2703 int r;
2704
2705 r = unit_name_mangle(name, 0, &n);
2706 if (r < 0)
2707 return log_error_errno(r, "Failed to mangle unit name: %m");
2708
2709 r = unit_load_state(bus, name, &load_state);
2710 if (r < 0)
2711 return r;
2712
2713 if (streq(load_state, "masked"))
2714 return 0;
2715
2716 path = unit_dbus_path_from_name(n);
2717 if (!path)
2718 return log_oom();
2719
2720 r = sd_bus_get_property_strv(
2721 bus,
2722 "org.freedesktop.systemd1",
2723 path,
2724 "org.freedesktop.systemd1.Unit",
2725 "TriggeredBy",
2726 &error,
2727 &triggered_by);
2728 if (r < 0)
2729 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2730
2731 STRV_FOREACH(i, triggered_by) {
2732 r = get_state_one_unit(bus, *i, &active_state);
2733 if (r < 0)
2734 return r;
2735
2736 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2737 continue;
2738
2739 if (print_warning_label) {
2740 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2741 print_warning_label = false;
2742 }
2743
2744 log_warning(" %s", *i);
2745 }
2746
2747 return 0;
2748 }
2749
2750 static const struct {
2751 const char *verb;
2752 const char *method;
2753 } unit_actions[] = {
2754 { "start", "StartUnit" },
2755 { "stop", "StopUnit" },
2756 { "condstop", "StopUnit" },
2757 { "reload", "ReloadUnit" },
2758 { "restart", "RestartUnit" },
2759 { "try-restart", "TryRestartUnit" },
2760 { "condrestart", "TryRestartUnit" },
2761 { "reload-or-restart", "ReloadOrRestartUnit" },
2762 { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
2763 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2764 { "condreload", "ReloadOrTryRestartUnit" },
2765 { "force-reload", "ReloadOrTryRestartUnit" }
2766 };
2767
2768 static const char *verb_to_method(const char *verb) {
2769 uint i;
2770
2771 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2772 if (streq_ptr(unit_actions[i].verb, verb))
2773 return unit_actions[i].method;
2774
2775 return "StartUnit";
2776 }
2777
2778 static const char *method_to_verb(const char *method) {
2779 uint i;
2780
2781 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2782 if (streq_ptr(unit_actions[i].method, method))
2783 return unit_actions[i].verb;
2784
2785 return "n/a";
2786 }
2787
2788 typedef struct {
2789 sd_bus_slot *match;
2790 sd_event *event;
2791 Set *unit_paths;
2792 bool any_failed;
2793 } WaitContext;
2794
2795 static void wait_context_free(WaitContext *c) {
2796 c->match = sd_bus_slot_unref(c->match);
2797 c->event = sd_event_unref(c->event);
2798 c->unit_paths = set_free_free(c->unit_paths);
2799 }
2800
2801 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2802 const char *path, *interface, *active_state = NULL, *job_path = NULL;
2803 WaitContext *c = userdata;
2804 bool is_failed;
2805 int r;
2806
2807 /* Called whenever we get a PropertiesChanged signal. Checks if ActiveState changed to inactive/failed.
2808 *
2809 * Signal parameters: (s interface, a{sv} changed_properties, as invalidated_properties) */
2810
2811 path = sd_bus_message_get_path(m);
2812 if (!set_contains(c->unit_paths, path))
2813 return 0;
2814
2815 r = sd_bus_message_read(m, "s", &interface);
2816 if (r < 0)
2817 return bus_log_parse_error(r);
2818
2819 if (!streq(interface, "org.freedesktop.systemd1.Unit")) /* ActiveState is on the Unit interface */
2820 return 0;
2821
2822 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2823 if (r < 0)
2824 return bus_log_parse_error(r);
2825
2826 for (;;) {
2827 const char *s;
2828
2829 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv");
2830 if (r < 0)
2831 return bus_log_parse_error(r);
2832 if (r == 0) /* end of array */
2833 break;
2834
2835 r = sd_bus_message_read(m, "s", &s); /* Property name */
2836 if (r < 0)
2837 return bus_log_parse_error(r);
2838
2839 if (streq(s, "ActiveState")) {
2840 r = sd_bus_message_read(m, "v", "s", &active_state);
2841 if (r < 0)
2842 return bus_log_parse_error(r);
2843
2844 if (job_path) /* Found everything we need */
2845 break;
2846
2847 } else if (streq(s, "Job")) {
2848 uint32_t job_id;
2849
2850 r = sd_bus_message_read(m, "v", "(uo)", &job_id, &job_path);
2851 if (r < 0)
2852 return bus_log_parse_error(r);
2853
2854 /* There's still a job pending for this unit, let's ignore this for now, and return right-away. */
2855 if (job_id != 0)
2856 return 0;
2857
2858 if (active_state) /* Found everything we need */
2859 break;
2860
2861 } else {
2862 r = sd_bus_message_skip(m, "v"); /* Other property */
2863 if (r < 0)
2864 return bus_log_parse_error(r);
2865 }
2866
2867 r = sd_bus_message_exit_container(m);
2868 if (r < 0)
2869 return bus_log_parse_error(r);
2870 }
2871
2872 /* If this didn't contain the ActiveState property we can't do anything */
2873 if (!active_state)
2874 return 0;
2875
2876 is_failed = streq(active_state, "failed");
2877 if (streq(active_state, "inactive") || is_failed) {
2878 log_debug("%s became %s, dropping from --wait tracking", path, active_state);
2879 free(set_remove(c->unit_paths, path));
2880 c->any_failed = c->any_failed || is_failed;
2881 } else
2882 log_debug("ActiveState on %s changed to %s", path, active_state);
2883
2884 if (set_isempty(c->unit_paths))
2885 sd_event_exit(c->event, EXIT_SUCCESS);
2886
2887 return 0;
2888 }
2889
2890 static int start_unit_one(
2891 sd_bus *bus,
2892 const char *method,
2893 const char *name,
2894 const char *mode,
2895 sd_bus_error *error,
2896 BusWaitForJobs *w,
2897 WaitContext *wait_context) {
2898
2899 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2900 const char *path;
2901 int r;
2902
2903 assert(method);
2904 assert(name);
2905 assert(mode);
2906 assert(error);
2907
2908 if (wait_context) {
2909 _cleanup_free_ char *unit_path = NULL;
2910
2911 log_debug("Watching for property changes of %s", name);
2912 r = sd_bus_call_method(
2913 bus,
2914 "org.freedesktop.systemd1",
2915 "/org/freedesktop/systemd1",
2916 "org.freedesktop.systemd1.Manager",
2917 "RefUnit",
2918 error,
2919 NULL,
2920 "s", name);
2921 if (r < 0)
2922 return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r));
2923
2924 unit_path = unit_dbus_path_from_name(name);
2925 if (!unit_path)
2926 return log_oom();
2927
2928 r = set_put_strdup(wait_context->unit_paths, unit_path);
2929 if (r < 0)
2930 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2931
2932 r = sd_bus_match_signal_async(bus,
2933 &wait_context->match,
2934 NULL,
2935 unit_path,
2936 "org.freedesktop.DBus.Properties",
2937 "PropertiesChanged",
2938 on_properties_changed, NULL, wait_context);
2939 if (r < 0)
2940 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2941 }
2942
2943 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2944 arg_dry_run ? "Would execute" : "Executing",
2945 method, name, mode);
2946 if (arg_dry_run)
2947 return 0;
2948
2949 r = sd_bus_call_method(
2950 bus,
2951 "org.freedesktop.systemd1",
2952 "/org/freedesktop/systemd1",
2953 "org.freedesktop.systemd1.Manager",
2954 method,
2955 error,
2956 &reply,
2957 "ss", name, mode);
2958 if (r < 0) {
2959 const char *verb;
2960
2961 /* There's always a fallback possible for legacy actions. */
2962 if (arg_action != ACTION_SYSTEMCTL)
2963 return r;
2964
2965 verb = method_to_verb(method);
2966
2967 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2968
2969 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2970 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2971 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2972 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2973 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2974 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2975 name[0] == '-' ? " --" : "",
2976 name);
2977
2978 return r;
2979 }
2980
2981 r = sd_bus_message_read(reply, "o", &path);
2982 if (r < 0)
2983 return bus_log_parse_error(r);
2984
2985 if (need_daemon_reload(bus, name) > 0)
2986 warn_unit_file_changed(name);
2987
2988 if (w) {
2989 log_debug("Adding %s to the set", path);
2990 r = bus_wait_for_jobs_add(w, path);
2991 if (r < 0)
2992 return log_oom();
2993 }
2994
2995 return 0;
2996 }
2997
2998 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2999 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
3000 char **name;
3001 int r, i;
3002
3003 assert(bus);
3004 assert(ret);
3005
3006 STRV_FOREACH(name, names) {
3007 char *t;
3008 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
3009
3010 if (suffix)
3011 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
3012 else
3013 r = unit_name_mangle(*name, options, &t);
3014 if (r < 0)
3015 return log_error_errno(r, "Failed to mangle name: %m");
3016
3017 if (string_is_glob(t))
3018 r = strv_consume(&globs, t);
3019 else
3020 r = strv_consume(&mangled, t);
3021 if (r < 0)
3022 return log_oom();
3023 }
3024
3025 /* Query the manager only if any of the names are a glob, since
3026 * this is fairly expensive */
3027 if (!strv_isempty(globs)) {
3028 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3029 _cleanup_free_ UnitInfo *unit_infos = NULL;
3030 size_t allocated, n;
3031
3032 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
3033 if (r < 0)
3034 return r;
3035
3036 n = strv_length(mangled);
3037 allocated = n + 1;
3038
3039 for (i = 0; i < r; i++) {
3040 if (!GREEDY_REALLOC(mangled, allocated, n+2))
3041 return log_oom();
3042
3043 mangled[n] = strdup(unit_infos[i].id);
3044 if (!mangled[n])
3045 return log_oom();
3046
3047 mangled[++n] = NULL;
3048 }
3049 }
3050
3051 *ret = TAKE_PTR(mangled);
3052
3053 return 0;
3054 }
3055
3056 static const struct {
3057 const char *target;
3058 const char *verb;
3059 const char *mode;
3060 } action_table[_ACTION_MAX] = {
3061 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3062 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3063 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3064 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3065 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3066 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3067 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3068 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3069 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3070 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3071 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3072 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3073 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3074 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3075 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3076 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3077 };
3078
3079 static enum action verb_to_action(const char *verb) {
3080 enum action i;
3081
3082 for (i = 0; i < _ACTION_MAX; i++)
3083 if (streq_ptr(action_table[i].verb, verb))
3084 return i;
3085
3086 return _ACTION_INVALID;
3087 }
3088
3089 static int start_unit(int argc, char *argv[], void *userdata) {
3090 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3091 _cleanup_(wait_context_free) WaitContext wait_context = {};
3092 const char *method, *mode, *one_name, *suffix = NULL;
3093 _cleanup_strv_free_ char **names = NULL;
3094 int r, ret = EXIT_SUCCESS;
3095 sd_bus *bus;
3096 char **name;
3097
3098 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3099 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3100 return -EINVAL;
3101 }
3102
3103 /* we cannot do sender tracking on the private bus, so we need the full
3104 * one for RefUnit to implement --wait */
3105 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3106 if (r < 0)
3107 return r;
3108
3109 ask_password_agent_open_if_enabled();
3110 polkit_agent_open_maybe();
3111
3112 if (arg_action == ACTION_SYSTEMCTL) {
3113 enum action action;
3114
3115 action = verb_to_action(argv[0]);
3116
3117 if (action != _ACTION_INVALID) {
3118 method = "StartUnit";
3119 mode = action_table[action].mode;
3120 one_name = action_table[action].target;
3121 } else {
3122 if (streq(argv[0], "isolate")) {
3123 method = "StartUnit";
3124 mode = "isolate";
3125
3126 suffix = ".target";
3127 } else {
3128 method = verb_to_method(argv[0]);
3129 mode = arg_job_mode;
3130 }
3131 one_name = NULL;
3132 }
3133 } else {
3134 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3135 assert(action_table[arg_action].target);
3136 assert(action_table[arg_action].mode);
3137
3138 method = "StartUnit";
3139 mode = action_table[arg_action].mode;
3140 one_name = action_table[arg_action].target;
3141 }
3142
3143 if (one_name) {
3144 names = strv_new(one_name);
3145 if (!names)
3146 return log_oom();
3147 } else {
3148 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3149 if (r < 0)
3150 return log_error_errno(r, "Failed to expand names: %m");
3151 }
3152
3153 if (!arg_no_block) {
3154 r = bus_wait_for_jobs_new(bus, &w);
3155 if (r < 0)
3156 return log_error_errno(r, "Could not watch jobs: %m");
3157 }
3158
3159 if (arg_wait) {
3160 wait_context.unit_paths = set_new(&string_hash_ops);
3161 if (!wait_context.unit_paths)
3162 return log_oom();
3163
3164 r = sd_bus_call_method_async(
3165 bus,
3166 NULL,
3167 "org.freedesktop.systemd1",
3168 "/org/freedesktop/systemd1",
3169 "org.freedesktop.systemd1.Manager",
3170 "Subscribe",
3171 NULL, NULL,
3172 NULL);
3173 if (r < 0)
3174 return log_error_errno(r, "Failed to enable subscription: %m");
3175 r = sd_event_default(&wait_context.event);
3176 if (r < 0)
3177 return log_error_errno(r, "Failed to allocate event loop: %m");
3178 r = sd_bus_attach_event(bus, wait_context.event, 0);
3179 if (r < 0)
3180 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3181 }
3182
3183 STRV_FOREACH(name, names) {
3184 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3185
3186 r = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3187 if (ret == EXIT_SUCCESS && r < 0)
3188 ret = translate_bus_error_to_exit_status(r, &error);
3189 }
3190
3191 if (!arg_no_block) {
3192 const char* extra_args[4] = {};
3193 int arg_count = 0;
3194
3195 if (arg_scope != UNIT_FILE_SYSTEM)
3196 extra_args[arg_count++] = "--user";
3197
3198 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3199 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3200 extra_args[arg_count++] = "-H";
3201 extra_args[arg_count++] = arg_host;
3202 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3203 extra_args[arg_count++] = "-M";
3204 extra_args[arg_count++] = arg_host;
3205 }
3206
3207 r = bus_wait_for_jobs(w, arg_quiet, extra_args);
3208 if (r < 0)
3209 return r;
3210
3211 /* When stopping units, warn if they can still be triggered by
3212 * another active unit (socket, path, timer) */
3213 if (!arg_quiet && streq(method, "StopUnit"))
3214 STRV_FOREACH(name, names)
3215 (void) check_triggering_units(bus, *name);
3216 }
3217
3218 if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) {
3219 r = sd_event_loop(wait_context.event);
3220 if (r < 0)
3221 return log_error_errno(r, "Failed to run event loop: %m");
3222 if (wait_context.any_failed)
3223 ret = EXIT_FAILURE;
3224 }
3225
3226 return ret;
3227 }
3228
3229 #if ENABLE_LOGIND
3230 static int logind_set_wall_message(void) {
3231 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3232 sd_bus *bus;
3233 _cleanup_free_ char *m = NULL;
3234 int r;
3235
3236 r = acquire_bus(BUS_FULL, &bus);
3237 if (r < 0)
3238 return r;
3239
3240 m = strv_join(arg_wall, " ");
3241 if (!m)
3242 return log_oom();
3243
3244 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3245 if (arg_dry_run)
3246 return 0;
3247
3248 r = sd_bus_call_method(
3249 bus,
3250 "org.freedesktop.login1",
3251 "/org/freedesktop/login1",
3252 "org.freedesktop.login1.Manager",
3253 "SetWallMessage",
3254 &error,
3255 NULL,
3256 "sb",
3257 m,
3258 !arg_no_wall);
3259
3260 if (r < 0)
3261 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3262 return 0;
3263 }
3264 #endif
3265
3266 /* Ask systemd-logind, which might grant access to unprivileged users
3267 * through polkit */
3268 static int logind_reboot(enum action a) {
3269 #if ENABLE_LOGIND
3270 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3271 const char *method, *description;
3272 sd_bus *bus;
3273 int r;
3274
3275 r = acquire_bus(BUS_FULL, &bus);
3276 if (r < 0)
3277 return r;
3278
3279 switch (a) {
3280
3281 case ACTION_POWEROFF:
3282 method = "PowerOff";
3283 description = "power off system";
3284 break;
3285
3286 case ACTION_REBOOT:
3287 method = "Reboot";
3288 description = "reboot system";
3289 break;
3290
3291 case ACTION_HALT:
3292 method = "Halt";
3293 description = "halt system";
3294 break;
3295
3296 case ACTION_SUSPEND:
3297 method = "Suspend";
3298 description = "suspend system";
3299 break;
3300
3301 case ACTION_HIBERNATE:
3302 method = "Hibernate";
3303 description = "hibernate system";
3304 break;
3305
3306 case ACTION_HYBRID_SLEEP:
3307 method = "HybridSleep";
3308 description = "put system into hybrid sleep";
3309 break;
3310
3311 case ACTION_SUSPEND_THEN_HIBERNATE:
3312 method = "SuspendThenHibernate";
3313 description = "put system into suspend followed by hibernate";
3314 break;
3315
3316 default:
3317 return -EINVAL;
3318 }
3319
3320 polkit_agent_open_maybe();
3321 (void) logind_set_wall_message();
3322
3323 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3324 if (arg_dry_run)
3325 return 0;
3326
3327 r = sd_bus_call_method(
3328 bus,
3329 "org.freedesktop.login1",
3330 "/org/freedesktop/login1",
3331 "org.freedesktop.login1.Manager",
3332 method,
3333 &error,
3334 NULL,
3335 "b", arg_ask_password);
3336 if (r < 0)
3337 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3338
3339 return 0;
3340 #else
3341 return -ENOSYS;
3342 #endif
3343 }
3344
3345 static int logind_check_inhibitors(enum action a) {
3346 #if ENABLE_LOGIND
3347 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3348 _cleanup_strv_free_ char **sessions = NULL;
3349 const char *what, *who, *why, *mode;
3350 uint32_t uid, pid;
3351 sd_bus *bus;
3352 unsigned c = 0;
3353 char **s;
3354 int r;
3355
3356 if (arg_ignore_inhibitors || arg_force > 0)
3357 return 0;
3358
3359 if (arg_when > 0)
3360 return 0;
3361
3362 if (geteuid() == 0)
3363 return 0;
3364
3365 if (!on_tty())
3366 return 0;
3367
3368 if (arg_transport != BUS_TRANSPORT_LOCAL)
3369 return 0;
3370
3371 r = acquire_bus(BUS_FULL, &bus);
3372 if (r < 0)
3373 return r;
3374
3375 r = sd_bus_call_method(
3376 bus,
3377 "org.freedesktop.login1",
3378 "/org/freedesktop/login1",
3379 "org.freedesktop.login1.Manager",
3380 "ListInhibitors",
3381 NULL,
3382 &reply,
3383 NULL);
3384 if (r < 0)
3385 /* If logind is not around, then there are no inhibitors... */
3386 return 0;
3387
3388 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3389 if (r < 0)
3390 return bus_log_parse_error(r);
3391
3392 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3393 _cleanup_free_ char *comm = NULL, *user = NULL;
3394 _cleanup_strv_free_ char **sv = NULL;
3395
3396 if (!streq(mode, "block"))
3397 continue;
3398
3399 sv = strv_split(what, ":");
3400 if (!sv)
3401 return log_oom();
3402
3403 if (!pid_is_valid((pid_t) pid)) {
3404 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3405 return -ERANGE;
3406 }
3407
3408 if (!strv_contains(sv,
3409 IN_SET(a,
3410 ACTION_HALT,
3411 ACTION_POWEROFF,
3412 ACTION_REBOOT,
3413 ACTION_KEXEC) ? "shutdown" : "sleep"))
3414 continue;
3415
3416 get_process_comm(pid, &comm);
3417 user = uid_to_name(uid);
3418
3419 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3420 who, (pid_t) pid, strna(comm), strna(user), why);
3421
3422 c++;
3423 }
3424 if (r < 0)
3425 return bus_log_parse_error(r);
3426
3427 r = sd_bus_message_exit_container(reply);
3428 if (r < 0)
3429 return bus_log_parse_error(r);
3430
3431 /* Check for current sessions */
3432 sd_get_sessions(&sessions);
3433 STRV_FOREACH(s, sessions) {
3434 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3435
3436 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3437 continue;
3438
3439 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3440 continue;
3441
3442 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3443 continue;
3444
3445 sd_session_get_tty(*s, &tty);
3446 sd_session_get_seat(*s, &seat);
3447 sd_session_get_service(*s, &service);
3448 user = uid_to_name(uid);
3449
3450 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3451 c++;
3452 }
3453
3454 if (c <= 0)
3455 return 0;
3456
3457 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3458 action_table[a].verb);
3459
3460 return -EPERM;
3461 #else
3462 return 0;
3463 #endif
3464 }
3465
3466 static int logind_prepare_firmware_setup(void) {
3467 #if ENABLE_LOGIND
3468 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3469 sd_bus *bus;
3470 int r;
3471
3472 r = acquire_bus(BUS_FULL, &bus);
3473 if (r < 0)
3474 return r;
3475
3476 r = sd_bus_call_method(
3477 bus,
3478 "org.freedesktop.login1",
3479 "/org/freedesktop/login1",
3480 "org.freedesktop.login1.Manager",
3481 "SetRebootToFirmwareSetup",
3482 &error,
3483 NULL,
3484 "b", true);
3485 if (r < 0)
3486 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3487
3488 return 0;
3489 #else
3490 log_error("Cannot remotely indicate to EFI to boot into setup mode.");
3491 return -ENOSYS;
3492 #endif
3493 }
3494
3495 static int prepare_firmware_setup(void) {
3496 int r;
3497
3498 if (!arg_firmware_setup)
3499 return 0;
3500
3501 if (arg_transport == BUS_TRANSPORT_LOCAL) {
3502
3503 r = efi_set_reboot_to_firmware(true);
3504 if (r < 0)
3505 log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
3506 else
3507 return r;
3508 }
3509
3510 return logind_prepare_firmware_setup();
3511 }
3512
3513 static int load_kexec_kernel(void) {
3514 _cleanup_(boot_config_free) BootConfig config = {};
3515 _cleanup_free_ char *where = NULL, *kernel = NULL, *initrd = NULL, *options = NULL;
3516 const BootEntry *e;
3517 pid_t pid;
3518 int r;
3519
3520 if (kexec_loaded()) {
3521 log_debug("Kexec kernel already loaded.");
3522 return 0;
3523 }
3524
3525 if (access(KEXEC, X_OK) < 0)
3526 return log_error_errno(errno, KEXEC" is not available: %m");
3527
3528 r = find_default_boot_entry(arg_esp_path, &where, &config, &e);
3529 if (r == -ENOKEY) /* find_default_boot_entry() doesn't warn about this case */
3530 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3531 if (r < 0)
3532 /* But it logs about all these cases, hence don't log here again */
3533 return r;
3534
3535 if (strv_length(e->initrd) > 1) {
3536 log_error("Boot entry specifies multiple initrds, which is not supported currently.");
3537 return -EINVAL;
3538 }
3539
3540 kernel = path_join(where, e->kernel);
3541 if (!strv_isempty(e->initrd))
3542 initrd = path_join(where, *e->initrd);
3543 options = strv_join(e->options, " ");
3544 if (!options)
3545 return log_oom();
3546
3547 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3548 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3549 arg_dry_run ? "Would run" : "Running",
3550 kernel,
3551 options,
3552 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3553 if (arg_dry_run)
3554 return 0;
3555
3556 r = safe_fork("(kexec)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
3557 if (r < 0)
3558 return r;
3559 if (r == 0) {
3560 const char* const args[] = {
3561 KEXEC,
3562 "--load", kernel,
3563 "--append", options,
3564 initrd ? "--initrd" : NULL, initrd,
3565 NULL };
3566
3567 /* Child */
3568 execv(args[0], (char * const *) args);
3569 _exit(EXIT_FAILURE);
3570 }
3571
3572 r = wait_for_terminate_and_check("kexec", pid, WAIT_LOG);
3573 if (r < 0)
3574 return r;
3575 if (r > 0)
3576 /* Command failed */
3577 return -EPROTO;
3578 return 0;
3579 }
3580
3581 static int set_exit_code(uint8_t code) {
3582 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3583 sd_bus *bus;
3584 int r;
3585
3586 r = acquire_bus(BUS_MANAGER, &bus);
3587 if (r < 0)
3588 return r;
3589
3590 r = sd_bus_call_method(
3591 bus,
3592 "org.freedesktop.systemd1",
3593 "/org/freedesktop/systemd1",
3594 "org.freedesktop.systemd1.Manager",
3595 "SetExitCode",
3596 &error,
3597 NULL,
3598 "y", code);
3599 if (r < 0)
3600 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3601
3602 return 0;
3603 }
3604
3605 static int start_special(int argc, char *argv[], void *userdata) {
3606 enum action a;
3607 int r;
3608 bool termination_action; /* an action that terminates the manager,
3609 * can be performed also by signal. */
3610
3611 assert(argv);
3612
3613 a = verb_to_action(argv[0]);
3614
3615 r = logind_check_inhibitors(a);
3616 if (r < 0)
3617 return r;
3618
3619 if (arg_force >= 2) {
3620 r = must_be_root();
3621 if (r < 0)
3622 return r;
3623 }
3624
3625 r = prepare_firmware_setup();
3626 if (r < 0)
3627 return r;
3628
3629 if (a == ACTION_REBOOT && argc > 1) {
3630 r = update_reboot_parameter_and_warn(argv[1]);
3631 if (r < 0)
3632 return r;
3633
3634 } else if (a == ACTION_KEXEC) {
3635 r = load_kexec_kernel();
3636 if (r < 0 && arg_force >= 1)
3637 log_notice("Failed to load kexec kernel, continuing without.");
3638 else if (r < 0)
3639 return r;
3640
3641 } else if (a == ACTION_EXIT && argc > 1) {
3642 uint8_t code;
3643
3644 /* If the exit code is not given on the command line,
3645 * don't reset it to zero: just keep it as it might
3646 * have been set previously. */
3647
3648 r = safe_atou8(argv[1], &code);
3649 if (r < 0)
3650 return log_error_errno(r, "Invalid exit code.");
3651
3652 r = set_exit_code(code);
3653 if (r < 0)
3654 return r;
3655 }
3656
3657 termination_action = IN_SET(a,
3658 ACTION_HALT,
3659 ACTION_POWEROFF,
3660 ACTION_REBOOT);
3661 if (termination_action && arg_force >= 2)
3662 return halt_now(a);
3663
3664 if (arg_force >= 1 &&
3665 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3666 r = trivial_method(argc, argv, userdata);
3667 else {
3668 /* First try logind, to allow authentication with polkit */
3669 if (IN_SET(a,
3670 ACTION_POWEROFF,
3671 ACTION_REBOOT,
3672 ACTION_HALT,
3673 ACTION_SUSPEND,
3674 ACTION_HIBERNATE,
3675 ACTION_HYBRID_SLEEP,
3676 ACTION_SUSPEND_THEN_HIBERNATE)) {
3677
3678 r = logind_reboot(a);
3679 if (r >= 0)
3680 return r;
3681 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3682 /* requested operation is not supported or already in progress */
3683 return r;
3684
3685 /* On all other errors, try low-level operation. In order to minimize the difference between
3686 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3687 * logind's shutdown operations are always non-blocking. */
3688
3689 arg_no_block = true;
3690
3691 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3692 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3693 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3694 arg_no_block = true;
3695
3696 r = start_unit(argc, argv, userdata);
3697 }
3698
3699 if (termination_action && arg_force < 2 &&
3700 IN_SET(r, -ENOENT, -ETIMEDOUT))
3701 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3702
3703 return r;
3704 }
3705
3706 static int start_system_special(int argc, char *argv[], void *userdata) {
3707 /* Like start_special above, but raises an error when running in user mode */
3708
3709 if (arg_scope != UNIT_FILE_SYSTEM)
3710 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3711 "Bad action for %s mode.",
3712 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3713
3714 return start_special(argc, argv, userdata);
3715 }
3716
3717 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3718 _cleanup_strv_free_ char **names = NULL;
3719 UnitActiveState active_state;
3720 sd_bus *bus;
3721 char **name;
3722 int r, i;
3723 bool found = false;
3724
3725 r = acquire_bus(BUS_MANAGER, &bus);
3726 if (r < 0)
3727 return r;
3728
3729 r = expand_names(bus, args, NULL, &names);
3730 if (r < 0)
3731 return log_error_errno(r, "Failed to expand names: %m");
3732
3733 STRV_FOREACH(name, names) {
3734 r = get_state_one_unit(bus, *name, &active_state);
3735 if (r < 0)
3736 return r;
3737
3738 if (!arg_quiet)
3739 puts(unit_active_state_to_string(active_state));
3740
3741 for (i = 0; i < nb_states; ++i)
3742 if (good_states[i] == active_state)
3743 found = true;
3744 }
3745
3746 /* use the given return code for the case that we won't find
3747 * any unit which matches the list */
3748 return found ? 0 : code;
3749 }
3750
3751 static int check_unit_active(int argc, char *argv[], void *userdata) {
3752 static const UnitActiveState states[] = {
3753 UNIT_ACTIVE,
3754 UNIT_RELOADING,
3755 };
3756
3757 /* According to LSB: 3, "program is not running" */
3758 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3759 }
3760
3761 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3762 static const UnitActiveState states[] = {
3763 UNIT_FAILED,
3764 };
3765
3766 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3767 }
3768
3769 static int kill_unit(int argc, char *argv[], void *userdata) {
3770 _cleanup_strv_free_ char **names = NULL;
3771 char *kill_who = NULL, **name;
3772 sd_bus *bus;
3773 int r, q;
3774
3775 r = acquire_bus(BUS_MANAGER, &bus);
3776 if (r < 0)
3777 return r;
3778
3779 polkit_agent_open_maybe();
3780
3781 if (!arg_kill_who)
3782 arg_kill_who = "all";
3783
3784 /* --fail was specified */
3785 if (streq(arg_job_mode, "fail"))
3786 kill_who = strjoina(arg_kill_who, "-fail");
3787
3788 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3789 if (r < 0)
3790 return log_error_errno(r, "Failed to expand names: %m");
3791
3792 STRV_FOREACH(name, names) {
3793 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3794
3795 q = sd_bus_call_method(
3796 bus,
3797 "org.freedesktop.systemd1",
3798 "/org/freedesktop/systemd1",
3799 "org.freedesktop.systemd1.Manager",
3800 "KillUnit",
3801 &error,
3802 NULL,
3803 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3804 if (q < 0) {
3805 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3806 if (r == 0)
3807 r = q;
3808 }
3809 }
3810
3811 return r;
3812 }
3813
3814 typedef struct ExecStatusInfo {
3815 char *name;
3816
3817 char *path;
3818 char **argv;
3819
3820 bool ignore;
3821
3822 usec_t start_timestamp;
3823 usec_t exit_timestamp;
3824 pid_t pid;
3825 int code;
3826 int status;
3827
3828 LIST_FIELDS(struct ExecStatusInfo, exec);
3829 } ExecStatusInfo;
3830
3831 static void exec_status_info_free(ExecStatusInfo *i) {
3832 assert(i);
3833
3834 free(i->name);
3835 free(i->path);
3836 strv_free(i->argv);
3837 free(i);
3838 }
3839
3840 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3841 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3842 const char *path;
3843 uint32_t pid;
3844 int32_t code, status;
3845 int ignore, r;
3846
3847 assert(m);
3848 assert(i);
3849
3850 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3851 if (r < 0)
3852 return bus_log_parse_error(r);
3853 else if (r == 0)
3854 return 0;
3855
3856 r = sd_bus_message_read(m, "s", &path);
3857 if (r < 0)
3858 return bus_log_parse_error(r);
3859
3860 i->path = strdup(path);
3861 if (!i->path)
3862 return log_oom();
3863
3864 r = sd_bus_message_read_strv(m, &i->argv);
3865 if (r < 0)
3866 return bus_log_parse_error(r);
3867
3868 r = sd_bus_message_read(m,
3869 "bttttuii",
3870 &ignore,
3871 &start_timestamp, &start_timestamp_monotonic,
3872 &exit_timestamp, &exit_timestamp_monotonic,
3873 &pid,
3874 &code, &status);
3875 if (r < 0)
3876 return bus_log_parse_error(r);
3877
3878 i->ignore = ignore;
3879 i->start_timestamp = (usec_t) start_timestamp;
3880 i->exit_timestamp = (usec_t) exit_timestamp;
3881 i->pid = (pid_t) pid;
3882 i->code = code;
3883 i->status = status;
3884
3885 r = sd_bus_message_exit_container(m);
3886 if (r < 0)
3887 return bus_log_parse_error(r);
3888
3889 return 1;
3890 }
3891
3892 typedef struct UnitCondition {
3893 char *name;
3894 char *param;
3895 bool trigger;
3896 bool negate;
3897 int tristate;
3898
3899 LIST_FIELDS(struct UnitCondition, conditions);
3900 } UnitCondition;
3901
3902 static void unit_condition_free(UnitCondition *c) {
3903 if (!c)
3904 return;
3905
3906 free(c->name);
3907 free(c->param);
3908 free(c);
3909 }
3910
3911 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3912
3913 typedef struct UnitStatusInfo {
3914 const char *id;
3915 const char *load_state;
3916 const char *active_state;
3917 const char *sub_state;
3918 const char *unit_file_state;
3919 const char *unit_file_preset;
3920
3921 const char *description;
3922 const char *following;
3923
3924 char **documentation;
3925
3926 const char *fragment_path;
3927 const char *source_path;
3928 const char *control_group;
3929
3930 char **dropin_paths;
3931
3932 const char *load_error;
3933 const char *result;
3934
3935 usec_t inactive_exit_timestamp;
3936 usec_t inactive_exit_timestamp_monotonic;
3937 usec_t active_enter_timestamp;
3938 usec_t active_exit_timestamp;
3939 usec_t inactive_enter_timestamp;
3940
3941 bool need_daemon_reload;
3942 bool transient;
3943
3944 /* Service */
3945 pid_t main_pid;
3946 pid_t control_pid;
3947 const char *status_text;
3948 const char *pid_file;
3949 bool running:1;
3950 int status_errno;
3951
3952 usec_t start_timestamp;
3953 usec_t exit_timestamp;
3954
3955 int exit_code, exit_status;
3956
3957 usec_t condition_timestamp;
3958 bool condition_result;
3959 LIST_HEAD(UnitCondition, conditions);
3960
3961 usec_t assert_timestamp;
3962 bool assert_result;
3963 bool failed_assert_trigger;
3964 bool failed_assert_negate;
3965 const char *failed_assert;
3966 const char *failed_assert_parameter;
3967 usec_t next_elapse_real;
3968 usec_t next_elapse_monotonic;
3969
3970 /* Socket */
3971 unsigned n_accepted;
3972 unsigned n_connections;
3973 unsigned n_refused;
3974 bool accept;
3975
3976 /* Pairs of type, path */
3977 char **listen;
3978
3979 /* Device */
3980 const char *sysfs_path;
3981
3982 /* Mount, Automount */
3983 const char *where;
3984
3985 /* Swap */
3986 const char *what;
3987
3988 /* CGroup */
3989 uint64_t memory_current;
3990 uint64_t memory_min;
3991 uint64_t memory_low;
3992 uint64_t memory_high;
3993 uint64_t memory_max;
3994 uint64_t memory_swap_max;
3995 uint64_t memory_limit;
3996 uint64_t cpu_usage_nsec;
3997 uint64_t tasks_current;
3998 uint64_t tasks_max;
3999
4000 uint64_t ip_ingress_bytes;
4001 uint64_t ip_egress_bytes;
4002
4003 LIST_HEAD(ExecStatusInfo, exec);
4004 } UnitStatusInfo;
4005
4006 static void unit_status_info_free(UnitStatusInfo *info) {
4007 ExecStatusInfo *p;
4008 UnitCondition *c;
4009
4010 strv_free(info->documentation);
4011 strv_free(info->dropin_paths);
4012 strv_free(info->listen);
4013
4014 while ((c = info->conditions)) {
4015 LIST_REMOVE(conditions, info->conditions, c);
4016 unit_condition_free(c);
4017 }
4018
4019 while ((p = info->exec)) {
4020 LIST_REMOVE(exec, info->exec, p);
4021 exec_status_info_free(p);
4022 }
4023 }
4024
4025 static void print_status_info(
4026 sd_bus *bus,
4027 UnitStatusInfo *i,
4028 bool *ellipsized) {
4029
4030 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4031 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4032 _cleanup_free_ char *formatted_path = NULL;
4033 ExecStatusInfo *p;
4034 usec_t timestamp;
4035 const char *path;
4036 char **t, **t2;
4037 int r;
4038
4039 assert(i);
4040
4041 /* This shows pretty information about a unit. See
4042 * print_property() for a low-level property printer */
4043
4044 if (streq_ptr(i->active_state, "failed")) {
4045 active_on = ansi_highlight_red();
4046 active_off = ansi_normal();
4047 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4048 active_on = ansi_highlight_green();
4049 active_off = ansi_normal();
4050 } else
4051 active_on = active_off = "";
4052
4053 printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id));
4054
4055 if (i->description && !streq_ptr(i->id, i->description))
4056 printf(" - %s", i->description);
4057
4058 printf("\n");
4059
4060 if (i->following)
4061 printf(" Follow: unit currently follows state of %s\n", i->following);
4062
4063 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4064 on = ansi_highlight_red();
4065 off = ansi_normal();
4066 } else
4067 on = off = "";
4068
4069 path = i->source_path ?: i->fragment_path;
4070 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4071 path = formatted_path;
4072
4073 if (!isempty(i->load_error))
4074 printf(" Loaded: %s%s%s (Reason: %s)\n",
4075 on, strna(i->load_state), off, i->load_error);
4076 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4077 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4078 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4079 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4080 else if (path && !isempty(i->unit_file_state))
4081 printf(" Loaded: %s%s%s (%s; %s)\n",
4082 on, strna(i->load_state), off, path, i->unit_file_state);
4083 else if (path)
4084 printf(" Loaded: %s%s%s (%s)\n",
4085 on, strna(i->load_state), off, path);
4086 else
4087 printf(" Loaded: %s%s%s\n",
4088 on, strna(i->load_state), off);
4089
4090 if (i->transient)
4091 printf("Transient: yes\n");
4092
4093 if (!strv_isempty(i->dropin_paths)) {
4094 _cleanup_free_ char *dir = NULL;
4095 bool last = false;
4096 char ** dropin;
4097
4098 STRV_FOREACH(dropin, i->dropin_paths) {
4099 _cleanup_free_ char *dropin_formatted = NULL;
4100 const char *df;
4101
4102 if (!dir || last) {
4103 printf(dir ? " " :
4104 " Drop-In: ");
4105
4106 dir = mfree(dir);
4107
4108 dir = dirname_malloc(*dropin);
4109 if (!dir) {
4110 log_oom();
4111 return;
4112 }
4113
4114 printf("%s\n"
4115 " %s", dir,
4116 special_glyph(TREE_RIGHT));
4117 }
4118
4119 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4120
4121 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4122 df = dropin_formatted;
4123 else
4124 df = *dropin;
4125
4126 printf("%s%s", df, last ? "\n" : ", ");
4127 }
4128 }
4129
4130 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4131 if (ss)
4132 printf(" Active: %s%s (%s)%s",
4133 active_on, strna(i->active_state), ss, active_off);
4134 else
4135 printf(" Active: %s%s%s",
4136 active_on, strna(i->active_state), active_off);
4137
4138 if (!isempty(i->result) && !streq(i->result, "success"))
4139 printf(" (Result: %s)", i->result);
4140
4141 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4142 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4143 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4144 i->active_exit_timestamp;
4145
4146 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4147 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4148
4149 if (s1)
4150 printf(" since %s; %s\n", s2, s1);
4151 else if (s2)
4152 printf(" since %s\n", s2);
4153 else
4154 printf("\n");
4155
4156 if (endswith(i->id, ".timer")) {
4157 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4158 tstamp2[FORMAT_TIMESTAMP_MAX];
4159 const char *next_rel_time, *next_time;
4160 dual_timestamp nw, next = {i->next_elapse_real,
4161 i->next_elapse_monotonic};
4162 usec_t next_elapse;
4163
4164 printf(" Trigger: ");
4165
4166 dual_timestamp_get(&nw);
4167 next_elapse = calc_next_elapse(&nw, &next);
4168 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4169 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4170
4171 if (next_time && next_rel_time)
4172 printf("%s; %s\n", next_time, next_rel_time);
4173 else
4174 printf("n/a\n");
4175 }
4176
4177 if (!i->condition_result && i->condition_timestamp > 0) {
4178 UnitCondition *c;
4179 int n = 0;
4180
4181 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4182 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4183
4184 printf("Condition: start %scondition failed%s at %s%s%s\n",
4185 ansi_highlight_yellow(), ansi_normal(),
4186 s2, s1 ? "; " : "", strempty(s1));
4187
4188 LIST_FOREACH(conditions, c, i->conditions)
4189 if (c->tristate < 0)
4190 n++;
4191
4192 LIST_FOREACH(conditions, c, i->conditions)
4193 if (c->tristate < 0)
4194 printf(" %s %s=%s%s%s was not met\n",
4195 --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT),
4196 c->name,
4197 c->trigger ? "|" : "",
4198 c->negate ? "!" : "",
4199 c->param);
4200 }
4201
4202 if (!i->assert_result && i->assert_timestamp > 0) {
4203 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4204 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4205
4206 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4207 ansi_highlight_red(), ansi_normal(),
4208 s2, s1 ? "; " : "", strempty(s1));
4209 if (i->failed_assert_trigger)
4210 printf(" none of the trigger assertions were met\n");
4211 else if (i->failed_assert)
4212 printf(" %s=%s%s was not met\n",
4213 i->failed_assert,
4214 i->failed_assert_negate ? "!" : "",
4215 i->failed_assert_parameter);
4216 }
4217
4218 if (i->sysfs_path)
4219 printf(" Device: %s\n", i->sysfs_path);
4220 if (i->where)
4221 printf(" Where: %s\n", i->where);
4222 if (i->what)
4223 printf(" What: %s\n", i->what);
4224
4225 STRV_FOREACH(t, i->documentation) {
4226 _cleanup_free_ char *formatted = NULL;
4227 const char *q;
4228
4229 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4230 q = formatted;
4231 else
4232 q = *t;
4233
4234 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4235 }
4236
4237 STRV_FOREACH_PAIR(t, t2, i->listen)
4238 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4239
4240 if (i->accept) {
4241 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4242 if (i->n_refused)
4243 printf(" Refused: %u", i->n_refused);
4244 printf("\n");
4245 }
4246
4247 LIST_FOREACH(exec, p, i->exec) {
4248 _cleanup_free_ char *argv = NULL;
4249 bool good;
4250
4251 /* Only show exited processes here */
4252 if (p->code == 0)
4253 continue;
4254
4255 argv = strv_join(p->argv, " ");
4256 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4257
4258 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4259 if (!good) {
4260 on = ansi_highlight_red();
4261 off = ansi_normal();
4262 } else
4263 on = off = "";
4264
4265 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4266
4267 if (p->code == CLD_EXITED) {
4268 const char *c;
4269
4270 printf("status=%i", p->status);
4271
4272 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4273 if (c)
4274 printf("/%s", c);
4275
4276 } else
4277 printf("signal=%s", signal_to_string(p->status));
4278
4279 printf(")%s\n", off);
4280
4281 if (i->main_pid == p->pid &&
4282 i->start_timestamp == p->start_timestamp &&
4283 i->exit_timestamp == p->start_timestamp)
4284 /* Let's not show this twice */
4285 i->main_pid = 0;
4286
4287 if (p->pid == i->control_pid)
4288 i->control_pid = 0;
4289 }
4290
4291 if (i->main_pid > 0 || i->control_pid > 0) {
4292 if (i->main_pid > 0) {
4293 printf(" Main PID: "PID_FMT, i->main_pid);
4294
4295 if (i->running) {
4296
4297 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4298 _cleanup_free_ char *comm = NULL;
4299
4300 (void) get_process_comm(i->main_pid, &comm);
4301 if (comm)
4302 printf(" (%s)", comm);
4303 }
4304
4305 } else if (i->exit_code > 0) {
4306 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4307
4308 if (i->exit_code == CLD_EXITED) {
4309 const char *c;
4310
4311 printf("status=%i", i->exit_status);
4312
4313 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4314 if (c)
4315 printf("/%s", c);
4316
4317 } else
4318 printf("signal=%s", signal_to_string(i->exit_status));
4319 printf(")");
4320 }
4321 }
4322
4323 if (i->control_pid > 0) {
4324 _cleanup_free_ char *c = NULL;
4325
4326 if (i->main_pid > 0)
4327 fputs("; Control PID: ", stdout);
4328 else
4329 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4330
4331 printf(PID_FMT, i->control_pid);
4332
4333 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4334 (void) get_process_comm(i->control_pid, &c);
4335 if (c)
4336 printf(" (%s)", c);
4337 }
4338 }
4339
4340 printf("\n");
4341 }
4342
4343 if (i->status_text)
4344 printf(" Status: \"%s\"\n", i->status_text);
4345 if (i->status_errno > 0)
4346 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4347
4348 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4349 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4350
4351 printf(" IP: %s in, %s out\n",
4352 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4353 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4354 }
4355
4356 if (i->tasks_current != (uint64_t) -1) {
4357 printf(" Tasks: %" PRIu64, i->tasks_current);
4358
4359 if (i->tasks_max != (uint64_t) -1)
4360 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4361 else
4362 printf("\n");
4363 }
4364
4365 if (i->memory_current != (uint64_t) -1) {
4366 char buf[FORMAT_BYTES_MAX];
4367
4368 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4369
4370 if (i->memory_min > 0 || i->memory_low > 0 ||
4371 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4372 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4373 i->memory_limit != CGROUP_LIMIT_MAX) {
4374 const char *prefix = "";
4375
4376 printf(" (");
4377 if (i->memory_min > 0) {
4378 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4379 prefix = " ";
4380 }
4381 if (i->memory_low > 0) {
4382 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4383 prefix = " ";
4384 }
4385 if (i->memory_high != CGROUP_LIMIT_MAX) {
4386 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4387 prefix = " ";
4388 }
4389 if (i->memory_max != CGROUP_LIMIT_MAX) {
4390 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4391 prefix = " ";
4392 }
4393 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4394 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4395 prefix = " ";
4396 }
4397 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4398 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4399 prefix = " ";
4400 }
4401 printf(")");
4402 }
4403 printf("\n");
4404 }
4405
4406 if (i->cpu_usage_nsec != (uint64_t) -1) {
4407 char buf[FORMAT_TIMESPAN_MAX];
4408 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4409 }
4410
4411 if (i->control_group) {
4412 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4413 static const char prefix[] = " ";
4414 unsigned c;
4415
4416 printf(" CGroup: %s\n", i->control_group);
4417
4418 c = columns();
4419 if (c > sizeof(prefix) - 1)
4420 c -= sizeof(prefix) - 1;
4421 else
4422 c = 0;
4423
4424 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4425 if (r == -EBADR) {
4426 unsigned k = 0;
4427 pid_t extra[2];
4428
4429 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4430
4431 if (i->main_pid > 0)
4432 extra[k++] = i->main_pid;
4433
4434 if (i->control_pid > 0)
4435 extra[k++] = i->control_pid;
4436
4437 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4438 } else if (r < 0)
4439 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4440 }
4441
4442 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4443 show_journal_by_unit(
4444 stdout,
4445 i->id,
4446 arg_output,
4447 0,
4448 i->inactive_exit_timestamp_monotonic,
4449 arg_lines,
4450 getuid(),
4451 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4452 SD_JOURNAL_LOCAL_ONLY,
4453 arg_scope == UNIT_FILE_SYSTEM,
4454 ellipsized);
4455
4456 if (i->need_daemon_reload)
4457 warn_unit_file_changed(i->id);
4458 }
4459
4460 static void show_unit_help(UnitStatusInfo *i) {
4461 char **p;
4462
4463 assert(i);
4464
4465 if (!i->documentation) {
4466 log_info("Documentation for %s not known.", i->id);
4467 return;
4468 }
4469
4470 STRV_FOREACH(p, i->documentation)
4471 if (startswith(*p, "man:"))
4472 show_man_page(*p + 4, false);
4473 else
4474 log_info("Can't show: %s", *p);
4475 }
4476
4477 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4478 UnitStatusInfo *i = userdata;
4479 uint32_t u;
4480 int r;
4481
4482 r = sd_bus_message_read(m, "u", &u);
4483 if (r < 0)
4484 return r;
4485
4486 i->main_pid = (pid_t) u;
4487 i->running = u > 0;
4488
4489 return 0;
4490 }
4491
4492 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4493 const char *message, **p = userdata;
4494 int r;
4495
4496 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4497 if (r < 0)
4498 return r;
4499
4500 if (!isempty(message))
4501 *p = message;
4502
4503 return 0;
4504 }
4505
4506 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4507 const char *type, *path;
4508 char ***p = userdata;
4509 int r;
4510
4511 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4512 if (r < 0)
4513 return r;
4514
4515 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4516
4517 r = strv_extend(p, type);
4518 if (r < 0)
4519 return r;
4520
4521 r = strv_extend(p, path);
4522 if (r < 0)
4523 return r;
4524 }
4525 if (r < 0)
4526 return r;
4527
4528 r = sd_bus_message_exit_container(m);
4529 if (r < 0)
4530 return r;
4531
4532 return 0;
4533 }
4534
4535 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4536 UnitStatusInfo *i = userdata;
4537 const char *cond, *param;
4538 int trigger, negate;
4539 int32_t state;
4540 int r;
4541
4542 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4543 if (r < 0)
4544 return r;
4545
4546 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4547 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4548
4549 c = new0(UnitCondition, 1);
4550 if (!c)
4551 return -ENOMEM;
4552
4553 c->name = strdup(cond);
4554 c->param = strdup(param);
4555 if (!c->name || !c->param)
4556 return -ENOMEM;
4557
4558 c->trigger = trigger;
4559 c->negate = negate;
4560 c->tristate = state;
4561
4562 LIST_PREPEND(conditions, i->conditions, c);
4563 c = NULL;
4564 }
4565 if (r < 0)
4566 return r;
4567
4568 r = sd_bus_message_exit_container(m);
4569 if (r < 0)
4570 return r;
4571
4572 return 0;
4573 }
4574
4575 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4576 UnitStatusInfo *i = userdata;
4577 const char *cond, *param;
4578 int trigger, negate;
4579 int32_t state;
4580 int r;
4581
4582 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4583 if (r < 0)
4584 return r;
4585
4586 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4587 if (state < 0 && (!trigger || !i->failed_assert)) {
4588 i->failed_assert = cond;
4589 i->failed_assert_trigger = trigger;
4590 i->failed_assert_negate = negate;
4591 i->failed_assert_parameter = param;
4592 }
4593 }
4594 if (r < 0)
4595 return r;
4596
4597 r = sd_bus_message_exit_container(m);
4598 if (r < 0)
4599 return r;
4600
4601 return 0;
4602 }
4603
4604 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4605 _cleanup_free_ ExecStatusInfo *info = NULL;
4606 ExecStatusInfo *last;
4607 UnitStatusInfo *i = userdata;
4608 int r;
4609
4610 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4611 if (r < 0)
4612 return r;
4613
4614 info = new0(ExecStatusInfo, 1);
4615 if (!info)
4616 return -ENOMEM;
4617
4618 LIST_FIND_TAIL(exec, i->exec, last);
4619
4620 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4621
4622 info->name = strdup(member);
4623 if (!info->name)
4624 return -ENOMEM;
4625
4626 LIST_INSERT_AFTER(exec, i->exec, last, info);
4627 last = info;
4628
4629 info = new0(ExecStatusInfo, 1);
4630 if (!info)
4631 return -ENOMEM;
4632 }
4633 if (r < 0)
4634 return r;
4635
4636 r = sd_bus_message_exit_container(m);
4637 if (r < 0)
4638 return r;
4639
4640 return 0;
4641 }
4642
4643 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4644 char bus_type;
4645 const char *contents;
4646 int r;
4647
4648 assert(name);
4649 assert(m);
4650
4651 /* This is a low-level property printer, see
4652 * print_status_info() for the nicer output */
4653
4654 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4655 if (r < 0)
4656 return r;
4657
4658 switch (bus_type) {
4659
4660 case SD_BUS_TYPE_STRUCT:
4661
4662 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4663 uint32_t u;
4664
4665 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4666 if (r < 0)
4667 return bus_log_parse_error(r);
4668
4669 if (u > 0)
4670 bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
4671 else if (all)
4672 bus_print_property_value(name, expected_value, value, "%s", "");
4673
4674 return 1;
4675
4676 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4677 const char *s;
4678
4679 r = sd_bus_message_read(m, "(so)", &s, NULL);
4680 if (r < 0)
4681 return bus_log_parse_error(r);
4682
4683 if (all || !isempty(s))
4684 bus_print_property_value(name, expected_value, value, "%s", s);
4685
4686 return 1;
4687
4688 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4689 const char *a = NULL, *b = NULL;
4690
4691 r = sd_bus_message_read(m, "(ss)", &a, &b);
4692 if (r < 0)
4693 return bus_log_parse_error(r);
4694
4695 if (all || !isempty(a) || !isempty(b))
4696 bus_print_property_value(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4697
4698 return 1;
4699 } else if (streq_ptr(name, "SystemCallFilter")) {
4700 _cleanup_strv_free_ char **l = NULL;
4701 int whitelist;
4702
4703 r = sd_bus_message_enter_container(m, 'r', "bas");
4704 if (r < 0)
4705 return bus_log_parse_error(r);
4706
4707 r = sd_bus_message_read(m, "b", &whitelist);
4708 if (r < 0)
4709 return bus_log_parse_error(r);
4710
4711 r = sd_bus_message_read_strv(m, &l);
4712 if (r < 0)
4713 return bus_log_parse_error(r);
4714
4715 r = sd_bus_message_exit_container(m);
4716 if (r < 0)
4717 return bus_log_parse_error(r);
4718
4719 if (all || whitelist || !strv_isempty(l)) {
4720 bool first = true;
4721 char **i;
4722
4723 if (!value) {
4724 fputs(name, stdout);
4725 fputc('=', stdout);
4726 }
4727
4728 if (!whitelist)
4729 fputc('~', stdout);
4730
4731 STRV_FOREACH(i, l) {
4732 if (first)
4733 first = false;
4734 else
4735 fputc(' ', stdout);
4736
4737 fputs(*i, stdout);
4738 }
4739 fputc('\n', stdout);
4740 }
4741
4742 return 1;
4743 }
4744
4745 break;
4746
4747 case SD_BUS_TYPE_ARRAY:
4748
4749 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4750 const char *path;
4751 int ignore;
4752
4753 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4754 if (r < 0)
4755 return bus_log_parse_error(r);
4756
4757 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4758 bus_print_property_value(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4759
4760 if (r < 0)
4761 return bus_log_parse_error(r);
4762
4763 r = sd_bus_message_exit_container(m);
4764 if (r < 0)
4765 return bus_log_parse_error(r);
4766
4767 return 1;
4768
4769 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4770 const char *type, *path;
4771
4772 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4773 if (r < 0)
4774 return bus_log_parse_error(r);
4775
4776 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4777 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4778 if (r < 0)
4779 return bus_log_parse_error(r);
4780
4781 r = sd_bus_message_exit_container(m);
4782 if (r < 0)
4783 return bus_log_parse_error(r);
4784
4785 return 1;
4786
4787 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4788 const char *type, *path;
4789
4790 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4791 if (r < 0)
4792 return bus_log_parse_error(r);
4793
4794 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4795 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4796 if (r < 0)
4797 return bus_log_parse_error(r);
4798
4799 r = sd_bus_message_exit_container(m);
4800 if (r < 0)
4801 return bus_log_parse_error(r);
4802
4803 return 1;
4804
4805 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4806 const char *base;
4807 uint64_t v, next_elapse;
4808
4809 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4810 if (r < 0)
4811 return bus_log_parse_error(r);
4812
4813 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4814 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4815
4816 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
4817 format_timespan(timespan1, sizeof(timespan1), v, 0),
4818 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4819 }
4820 if (r < 0)
4821 return bus_log_parse_error(r);
4822
4823 r = sd_bus_message_exit_container(m);
4824 if (r < 0)
4825 return bus_log_parse_error(r);
4826
4827 return 1;
4828
4829 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
4830 const char *base, *spec;
4831 uint64_t next_elapse;
4832
4833 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
4834 if (r < 0)
4835 return bus_log_parse_error(r);
4836
4837 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
4838 char timestamp[FORMAT_TIMESTAMP_MAX];
4839
4840 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
4841 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
4842 }
4843 if (r < 0)
4844 return bus_log_parse_error(r);
4845
4846 r = sd_bus_message_exit_container(m);
4847 if (r < 0)
4848 return bus_log_parse_error(r);
4849
4850 return 1;
4851
4852 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4853 ExecStatusInfo info = {};
4854
4855 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4856 if (r < 0)
4857 return bus_log_parse_error(r);
4858
4859 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4860 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4861 _cleanup_free_ char *tt;
4862
4863 tt = strv_join(info.argv, " ");
4864
4865 bus_print_property_value(name, expected_value, value,
4866 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
4867 strna(info.path),
4868 strna(tt),
4869 yes_no(info.ignore),
4870 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4871 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4872 info.pid,
4873 sigchld_code_to_string(info.code),
4874 info.status,
4875 info.code == CLD_EXITED ? "" : "/",
4876 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4877
4878 free(info.path);
4879 strv_free(info.argv);
4880 zero(info);
4881 }
4882
4883 r = sd_bus_message_exit_container(m);
4884 if (r < 0)
4885 return bus_log_parse_error(r);
4886
4887 return 1;
4888
4889 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4890 const char *path, *rwm;
4891
4892 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4893 if (r < 0)
4894 return bus_log_parse_error(r);
4895
4896 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4897 bus_print_property_value(name, expected_value, value, "%s %s", strna(path), strna(rwm));
4898 if (r < 0)
4899 return bus_log_parse_error(r);
4900
4901 r = sd_bus_message_exit_container(m);
4902 if (r < 0)
4903 return bus_log_parse_error(r);
4904
4905 return 1;
4906
4907 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4908 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
4909 const char *path;
4910 uint64_t weight;
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, &weight)) > 0)
4917 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
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 (cgroup_io_limit_type_from_string(name) >= 0 ||
4929 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
4930 const char *path;
4931 uint64_t bandwidth;
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, &bandwidth)) > 0)
4938 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
4939 if (r < 0)
4940 return bus_log_parse_error(r);
4941
4942 r = sd_bus_message_exit_container(m);
4943 if (r < 0)
4944 return bus_log_parse_error(r);
4945
4946 return 1;
4947
4948 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4949 streq(name, "IODeviceLatencyTargetUSec")) {
4950 char ts[FORMAT_TIMESPAN_MAX];
4951 const char *path;
4952 uint64_t target;
4953
4954 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4955 if (r < 0)
4956 return bus_log_parse_error(r);
4957
4958 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
4959 bus_print_property_value(name, expected_value, value, "%s %s", strna(path),
4960 format_timespan(ts, sizeof(ts), target, 1));
4961 if (r < 0)
4962 return bus_log_parse_error(r);
4963
4964 r = sd_bus_message_exit_container(m);
4965 if (r < 0)
4966 return bus_log_parse_error(r);
4967
4968 return 1;
4969
4970 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
4971 _cleanup_free_ char *h = NULL;
4972 const void *p;
4973 size_t sz;
4974 ssize_t n;
4975
4976 r = sd_bus_message_read_array(m, 'y', &p, &sz);
4977 if (r < 0)
4978 return bus_log_parse_error(r);
4979
4980 n = base64mem(p, sz, &h);
4981 if (n < 0)
4982 return log_oom();
4983
4984 bus_print_property_value(name, expected_value, value, "%s", h);
4985
4986 return 1;
4987 }
4988
4989 break;
4990 }
4991
4992 return 0;
4993 }
4994
4995 typedef enum SystemctlShowMode{
4996 SYSTEMCTL_SHOW_PROPERTIES,
4997 SYSTEMCTL_SHOW_STATUS,
4998 SYSTEMCTL_SHOW_HELP,
4999 _SYSTEMCTL_SHOW_MODE_MAX,
5000 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5001 } SystemctlShowMode;
5002
5003 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5004 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5005 [SYSTEMCTL_SHOW_STATUS] = "status",
5006 [SYSTEMCTL_SHOW_HELP] = "help",
5007 };
5008
5009 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5010
5011 static int show_one(
5012 sd_bus *bus,
5013 const char *path,
5014 const char *unit,
5015 SystemctlShowMode show_mode,
5016 bool *new_line,
5017 bool *ellipsized) {
5018
5019 static const struct bus_properties_map property_map[] = {
5020 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5021 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5022 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5023 {}
5024 }, status_map[] = {
5025 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5026 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5027 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5028 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5029 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5030 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5031 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5032 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5033 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5034 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5035 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5036 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5037 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5038 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5039 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5040 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5041 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5042 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5043 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5044 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5045 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5046 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5047 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5048 { "MainPID", "u", map_main_pid, 0 },
5049 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5050 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5051 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5052 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5053 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5054 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5055 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5056 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5057 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5058 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5059 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5060 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5061 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5062 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5063 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5064 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5065 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5066 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5067 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5068 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5069 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5070 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5071 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5072 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5073 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5074 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5075 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5076 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5077 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5078 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5079 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5080 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5081 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5082 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5083 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5084 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5085 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5086 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5087 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5088 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5089 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5090 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5091 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5092 {}
5093 };
5094
5095 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5096 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5097 _cleanup_set_free_ Set *found_properties = NULL;
5098 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5099 .memory_current = (uint64_t) -1,
5100 .memory_high = CGROUP_LIMIT_MAX,
5101 .memory_max = CGROUP_LIMIT_MAX,
5102 .memory_swap_max = CGROUP_LIMIT_MAX,
5103 .memory_limit = (uint64_t) -1,
5104 .cpu_usage_nsec = (uint64_t) -1,
5105 .tasks_current = (uint64_t) -1,
5106 .tasks_max = (uint64_t) -1,
5107 .ip_ingress_bytes = (uint64_t) -1,
5108 .ip_egress_bytes = (uint64_t) -1,
5109 };
5110 char **pp;
5111 int r;
5112
5113 assert(path);
5114 assert(new_line);
5115
5116 log_debug("Showing one %s", path);
5117
5118 r = bus_map_all_properties(
5119 bus,
5120 "org.freedesktop.systemd1",
5121 path,
5122 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5123 BUS_MAP_BOOLEAN_AS_BOOL,
5124 &error,
5125 &reply,
5126 &info);
5127 if (r < 0)
5128 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5129
5130 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5131 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5132 "Unit %s could not be found.", unit);
5133
5134 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5135 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5136 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5137 return -ENOENT;
5138 }
5139
5140 if (*new_line)
5141 printf("\n");
5142
5143 *new_line = true;
5144
5145 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5146 print_status_info(bus, &info, ellipsized);
5147
5148 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5149 return EXIT_PROGRAM_NOT_RUNNING;
5150
5151 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5152
5153 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5154 show_unit_help(&info);
5155 return 0;
5156 }
5157
5158 r = sd_bus_message_rewind(reply, true);
5159 if (r < 0)
5160 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5161
5162 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5163 if (r < 0)
5164 return bus_log_parse_error(r);
5165
5166 STRV_FOREACH(pp, arg_properties)
5167 if (!set_contains(found_properties, *pp))
5168 log_debug("Property %s does not exist.", *pp);
5169
5170 return 0;
5171 }
5172
5173 static int get_unit_dbus_path_by_pid(
5174 sd_bus *bus,
5175 uint32_t pid,
5176 char **unit) {
5177
5178 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5179 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5180 char *u;
5181 int r;
5182
5183 r = sd_bus_call_method(
5184 bus,
5185 "org.freedesktop.systemd1",
5186 "/org/freedesktop/systemd1",
5187 "org.freedesktop.systemd1.Manager",
5188 "GetUnitByPID",
5189 &error,
5190 &reply,
5191 "u", pid);
5192 if (r < 0)
5193 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5194
5195 r = sd_bus_message_read(reply, "o", &u);
5196 if (r < 0)
5197 return bus_log_parse_error(r);
5198
5199 u = strdup(u);
5200 if (!u)
5201 return log_oom();
5202
5203 *unit = u;
5204 return 0;
5205 }
5206
5207 static int show_all(
5208 sd_bus *bus,
5209 bool *new_line,
5210 bool *ellipsized) {
5211
5212 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5213 _cleanup_free_ UnitInfo *unit_infos = NULL;
5214 const UnitInfo *u;
5215 unsigned c;
5216 int r, ret = 0;
5217
5218 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5219 if (r < 0)
5220 return r;
5221
5222 (void) pager_open(arg_pager_flags);
5223
5224 c = (unsigned) r;
5225
5226 typesafe_qsort(unit_infos, c, compare_unit_info);
5227
5228 for (u = unit_infos; u < unit_infos + c; u++) {
5229 _cleanup_free_ char *p = NULL;
5230
5231 p = unit_dbus_path_from_name(u->id);
5232 if (!p)
5233 return log_oom();
5234
5235 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5236 if (r < 0)
5237 return r;
5238 else if (r > 0 && ret == 0)
5239 ret = r;
5240 }
5241
5242 return ret;
5243 }
5244
5245 static int show_system_status(sd_bus *bus) {
5246 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5247 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5248 _cleanup_(machine_info_clear) struct machine_info mi = {};
5249 _cleanup_free_ char *hn = NULL;
5250 const char *on, *off;
5251 int r;
5252
5253 hn = gethostname_malloc();
5254 if (!hn)
5255 return log_oom();
5256
5257 r = bus_map_all_properties(
5258 bus,
5259 "org.freedesktop.systemd1",
5260 "/org/freedesktop/systemd1",
5261 machine_info_property_map,
5262 BUS_MAP_STRDUP,
5263 &error,
5264 NULL,
5265 &mi);
5266 if (r < 0)
5267 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5268
5269 if (streq_ptr(mi.state, "degraded")) {
5270 on = ansi_highlight_red();
5271 off = ansi_normal();
5272 } else if (streq_ptr(mi.state, "running")) {
5273 on = ansi_highlight_green();
5274 off = ansi_normal();
5275 } else {
5276 on = ansi_highlight_yellow();
5277 off = ansi_normal();
5278 }
5279
5280 printf("%s%s%s %s\n", on, special_glyph(BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5281
5282 printf(" State: %s%s%s\n",
5283 on, strna(mi.state), off);
5284
5285 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5286 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5287
5288 printf(" Since: %s; %s\n",
5289 format_timestamp(since2, sizeof(since2), mi.timestamp),
5290 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5291
5292 printf(" CGroup: %s\n", mi.control_group ?: "/");
5293 if (IN_SET(arg_transport,
5294 BUS_TRANSPORT_LOCAL,
5295 BUS_TRANSPORT_MACHINE)) {
5296 static const char prefix[] = " ";
5297 unsigned c;
5298
5299 c = columns();
5300 if (c > sizeof(prefix) - 1)
5301 c -= sizeof(prefix) - 1;
5302 else
5303 c = 0;
5304
5305 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5306 }
5307
5308 return 0;
5309 }
5310
5311 static int show(int argc, char *argv[], void *userdata) {
5312 bool new_line = false, ellipsized = false;
5313 SystemctlShowMode show_mode;
5314 int r, ret = 0;
5315 sd_bus *bus;
5316
5317 assert(argv);
5318
5319 show_mode = systemctl_show_mode_from_string(argv[0]);
5320 if (show_mode < 0)
5321 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5322 "Invalid argument.");
5323
5324 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5325 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5326 "This command expects one or more unit names. Did you mean --help?");
5327
5328 r = acquire_bus(BUS_MANAGER, &bus);
5329 if (r < 0)
5330 return r;
5331
5332 (void) pager_open(arg_pager_flags);
5333
5334 /* If no argument is specified inspect the manager itself */
5335 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5336 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5337
5338 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5339
5340 show_system_status(bus);
5341 new_line = true;
5342
5343 if (arg_all)
5344 ret = show_all(bus, &new_line, &ellipsized);
5345 } else {
5346 _cleanup_free_ char **patterns = NULL;
5347 char **name;
5348
5349 STRV_FOREACH(name, strv_skip(argv, 1)) {
5350 _cleanup_free_ char *path = NULL, *unit = NULL;
5351 uint32_t id;
5352
5353 if (safe_atou32(*name, &id) < 0) {
5354 if (strv_push(&patterns, *name) < 0)
5355 return log_oom();
5356
5357 continue;
5358 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5359 /* Interpret as job id */
5360 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5361 return log_oom();
5362
5363 } else {
5364 /* Interpret as PID */
5365 r = get_unit_dbus_path_by_pid(bus, id, &path);
5366 if (r < 0) {
5367 ret = r;
5368 continue;
5369 }
5370
5371 r = unit_name_from_dbus_path(path, &unit);
5372 if (r < 0)
5373 return log_oom();
5374 }
5375
5376 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5377 if (r < 0)
5378 return r;
5379 else if (r > 0 && ret == 0)
5380 ret = r;
5381 }
5382
5383 if (!strv_isempty(patterns)) {
5384 _cleanup_strv_free_ char **names = NULL;
5385
5386 r = expand_names(bus, patterns, NULL, &names);
5387 if (r < 0)
5388 return log_error_errno(r, "Failed to expand names: %m");
5389
5390 STRV_FOREACH(name, names) {
5391 _cleanup_free_ char *path;
5392
5393 path = unit_dbus_path_from_name(*name);
5394 if (!path)
5395 return log_oom();
5396
5397 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5398 if (r < 0)
5399 return r;
5400 if (r > 0 && ret == 0)
5401 ret = r;
5402 }
5403 }
5404 }
5405
5406 if (ellipsized && !arg_quiet)
5407 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5408
5409 return ret;
5410 }
5411
5412 static int cat(int argc, char *argv[], void *userdata) {
5413 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5414 _cleanup_strv_free_ char **names = NULL;
5415 char **name;
5416 sd_bus *bus;
5417 bool first = true;
5418 int r;
5419
5420 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5421 log_error("Cannot remotely cat units.");
5422 return -EINVAL;
5423 }
5424
5425 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5426 if (r < 0)
5427 return log_error_errno(r, "Failed to determine unit paths: %m");
5428
5429 r = acquire_bus(BUS_MANAGER, &bus);
5430 if (r < 0)
5431 return r;
5432
5433 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5434 if (r < 0)
5435 return log_error_errno(r, "Failed to expand names: %m");
5436
5437 (void) pager_open(arg_pager_flags);
5438
5439 STRV_FOREACH(name, names) {
5440 _cleanup_free_ char *fragment_path = NULL;
5441 _cleanup_strv_free_ char **dropin_paths = NULL;
5442
5443 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5444 if (r == -ERFKILL) {
5445 printf("%s# Unit %s is masked%s.\n",
5446 ansi_highlight_magenta(),
5447 *name,
5448 ansi_normal());
5449 continue;
5450 }
5451 if (r == -EKEYREJECTED) {
5452 printf("%s# Unit %s could not be loaded.%s\n",
5453 ansi_highlight_magenta(),
5454 *name,
5455 ansi_normal());
5456 continue;
5457 }
5458 if (r < 0)
5459 return r;
5460 if (r == 0)
5461 return -ENOENT;
5462
5463 if (first)
5464 first = false;
5465 else
5466 puts("");
5467
5468 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5469 fprintf(stderr,
5470 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5471 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5472 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5473 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5474 ansi_highlight_red(),
5475 *name,
5476 ansi_highlight_red(),
5477 ansi_highlight_red(),
5478 ansi_highlight_red(),
5479 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5480 ansi_normal());
5481
5482 r = cat_files(fragment_path, dropin_paths, 0);
5483 if (r < 0)
5484 return r;
5485 }
5486
5487 return 0;
5488 }
5489
5490 static int set_property(int argc, char *argv[], void *userdata) {
5491 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5492 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5493 _cleanup_free_ char *n = NULL;
5494 UnitType t;
5495 sd_bus *bus;
5496 int r;
5497
5498 r = acquire_bus(BUS_MANAGER, &bus);
5499 if (r < 0)
5500 return r;
5501
5502 polkit_agent_open_maybe();
5503
5504 r = sd_bus_message_new_method_call(
5505 bus,
5506 &m,
5507 "org.freedesktop.systemd1",
5508 "/org/freedesktop/systemd1",
5509 "org.freedesktop.systemd1.Manager",
5510 "SetUnitProperties");
5511 if (r < 0)
5512 return bus_log_create_error(r);
5513
5514 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5515 if (r < 0)
5516 return log_error_errno(r, "Failed to mangle unit name: %m");
5517
5518 t = unit_name_to_type(n);
5519 if (t < 0) {
5520 log_error("Invalid unit type: %s", n);
5521 return -EINVAL;
5522 }
5523
5524 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5525 if (r < 0)
5526 return bus_log_create_error(r);
5527
5528 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5529 if (r < 0)
5530 return bus_log_create_error(r);
5531
5532 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5533 if (r < 0)
5534 return r;
5535
5536 r = sd_bus_message_close_container(m);
5537 if (r < 0)
5538 return bus_log_create_error(r);
5539
5540 r = sd_bus_call(bus, m, 0, &error, NULL);
5541 if (r < 0)
5542 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5543
5544 return 0;
5545 }
5546
5547 static int daemon_reload(int argc, char *argv[], void *userdata) {
5548 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5549 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5550 const char *method;
5551 sd_bus *bus;
5552 int r;
5553
5554 r = acquire_bus(BUS_MANAGER, &bus);
5555 if (r < 0)
5556 return r;
5557
5558 polkit_agent_open_maybe();
5559
5560 switch (arg_action) {
5561
5562 case ACTION_RELOAD:
5563 method = "Reload";
5564 break;
5565
5566 case ACTION_REEXEC:
5567 method = "Reexecute";
5568 break;
5569
5570 case ACTION_SYSTEMCTL:
5571 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5572 /* "daemon-reload" */ "Reload";
5573 break;
5574
5575 default:
5576 assert_not_reached("Unexpected action");
5577 }
5578
5579 r = sd_bus_message_new_method_call(
5580 bus,
5581 &m,
5582 "org.freedesktop.systemd1",
5583 "/org/freedesktop/systemd1",
5584 "org.freedesktop.systemd1.Manager",
5585 method);
5586 if (r < 0)
5587 return bus_log_create_error(r);
5588
5589 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5590 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5591 * their timeout, and for everything else there's the same time budget in place. */
5592
5593 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5594
5595 /* On reexecution, we expect a disconnect, not a reply */
5596 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
5597 r = 0;
5598
5599 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5600 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
5601
5602 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5603 * old ways of doing things, hence don't log any error in that case here. */
5604
5605 return r < 0 ? r : 0;
5606 }
5607
5608 static int trivial_method(int argc, char *argv[], void *userdata) {
5609 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5610 const char *method;
5611 sd_bus *bus;
5612 int r;
5613
5614 if (arg_dry_run)
5615 return 0;
5616
5617 r = acquire_bus(BUS_MANAGER, &bus);
5618 if (r < 0)
5619 return r;
5620
5621 polkit_agent_open_maybe();
5622
5623 method =
5624 streq(argv[0], "clear-jobs") ||
5625 streq(argv[0], "cancel") ? "ClearJobs" :
5626 streq(argv[0], "reset-failed") ? "ResetFailed" :
5627 streq(argv[0], "halt") ? "Halt" :
5628 streq(argv[0], "reboot") ? "Reboot" :
5629 streq(argv[0], "kexec") ? "KExec" :
5630 streq(argv[0], "exit") ? "Exit" :
5631 /* poweroff */ "PowerOff";
5632
5633 r = sd_bus_call_method(
5634 bus,
5635 "org.freedesktop.systemd1",
5636 "/org/freedesktop/systemd1",
5637 "org.freedesktop.systemd1.Manager",
5638 method,
5639 &error,
5640 NULL,
5641 NULL);
5642 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5643 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
5644
5645 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5646 * old ways of doing things, hence don't log any error in that case here. */
5647
5648 return r < 0 ? r : 0;
5649 }
5650
5651 static int reset_failed(int argc, char *argv[], void *userdata) {
5652 _cleanup_strv_free_ char **names = NULL;
5653 sd_bus *bus;
5654 char **name;
5655 int r, q;
5656
5657 if (argc <= 1)
5658 return trivial_method(argc, argv, userdata);
5659
5660 r = acquire_bus(BUS_MANAGER, &bus);
5661 if (r < 0)
5662 return r;
5663
5664 polkit_agent_open_maybe();
5665
5666 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5667 if (r < 0)
5668 return log_error_errno(r, "Failed to expand names: %m");
5669
5670 STRV_FOREACH(name, names) {
5671 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5672
5673 q = sd_bus_call_method(
5674 bus,
5675 "org.freedesktop.systemd1",
5676 "/org/freedesktop/systemd1",
5677 "org.freedesktop.systemd1.Manager",
5678 "ResetFailedUnit",
5679 &error,
5680 NULL,
5681 "s", *name);
5682 if (q < 0) {
5683 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
5684 if (r == 0)
5685 r = q;
5686 }
5687 }
5688
5689 return r;
5690 }
5691
5692 static int print_variable(const char *s) {
5693 const char *sep;
5694 _cleanup_free_ char *esc = NULL;
5695
5696 sep = strchr(s, '=');
5697 if (!sep)
5698 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
5699 "Invalid environment block");
5700
5701 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
5702 if (!esc)
5703 return log_oom();
5704
5705 printf("%.*s=%s\n", (int)(sep-s), s, esc);
5706 return 0;
5707 }
5708
5709 static int show_environment(int argc, char *argv[], void *userdata) {
5710 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5711 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5712 const char *text;
5713 sd_bus *bus;
5714 int r;
5715
5716 r = acquire_bus(BUS_MANAGER, &bus);
5717 if (r < 0)
5718 return r;
5719
5720 (void) pager_open(arg_pager_flags);
5721
5722 r = sd_bus_get_property(
5723 bus,
5724 "org.freedesktop.systemd1",
5725 "/org/freedesktop/systemd1",
5726 "org.freedesktop.systemd1.Manager",
5727 "Environment",
5728 &error,
5729 &reply,
5730 "as");
5731 if (r < 0)
5732 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
5733
5734 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
5735 if (r < 0)
5736 return bus_log_parse_error(r);
5737
5738 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
5739 r = print_variable(text);
5740 if (r < 0)
5741 return r;
5742 }
5743 if (r < 0)
5744 return bus_log_parse_error(r);
5745
5746 r = sd_bus_message_exit_container(reply);
5747 if (r < 0)
5748 return bus_log_parse_error(r);
5749
5750 return 0;
5751 }
5752
5753 static int switch_root(int argc, char *argv[], void *userdata) {
5754 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5755 _cleanup_free_ char *cmdline_init = NULL;
5756 const char *root, *init;
5757 sd_bus *bus;
5758 int r;
5759
5760 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5761 log_error("Cannot switch root remotely.");
5762 return -EINVAL;
5763 }
5764
5765 if (argc < 2 || argc > 3) {
5766 log_error("Wrong number of arguments.");
5767 return -EINVAL;
5768 }
5769
5770 root = argv[1];
5771
5772 if (argc >= 3)
5773 init = argv[2];
5774 else {
5775 r = proc_cmdline_get_key("init", 0, &cmdline_init);
5776 if (r < 0)
5777 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
5778
5779 init = cmdline_init;
5780 }
5781
5782 init = empty_to_null(init);
5783 if (init) {
5784 const char *root_systemd_path = NULL, *root_init_path = NULL;
5785
5786 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
5787 root_init_path = strjoina(root, "/", init);
5788
5789 /* If the passed init is actually the same as the
5790 * systemd binary, then let's suppress it. */
5791 if (files_same(root_init_path, root_systemd_path, 0) > 0)
5792 init = NULL;
5793 }
5794
5795 /* Instruct PID1 to exclude us from its killing spree applied during
5796 * the transition. Otherwise we would exit with a failure status even
5797 * though the switch to the new root has succeed. */
5798 argv_cmdline[0] = '@';
5799
5800 r = acquire_bus(BUS_MANAGER, &bus);
5801 if (r < 0)
5802 return r;
5803
5804 /* If we are slow to exit after the root switch, the new systemd instance
5805 * will send us a signal to terminate. Just ignore it and exit normally.
5806 * This way the unit does not end up as failed.
5807 */
5808 r = ignore_signals(SIGTERM, -1);
5809 if (r < 0)
5810 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
5811
5812 log_debug("Switching root - root: %s; init: %s", root, strna(init));
5813
5814 r = sd_bus_call_method(
5815 bus,
5816 "org.freedesktop.systemd1",
5817 "/org/freedesktop/systemd1",
5818 "org.freedesktop.systemd1.Manager",
5819 "SwitchRoot",
5820 &error,
5821 NULL,
5822 "ss", root, init);
5823 if (r < 0) {
5824 (void) default_signals(SIGTERM, -1);
5825
5826 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
5827 }
5828
5829 return 0;
5830 }
5831
5832 static int set_environment(int argc, char *argv[], void *userdata) {
5833 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5834 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5835 const char *method;
5836 sd_bus *bus;
5837 int r;
5838
5839 assert(argc > 1);
5840 assert(argv);
5841
5842 r = acquire_bus(BUS_MANAGER, &bus);
5843 if (r < 0)
5844 return r;
5845
5846 polkit_agent_open_maybe();
5847
5848 method = streq(argv[0], "set-environment")
5849 ? "SetEnvironment"
5850 : "UnsetEnvironment";
5851
5852 r = sd_bus_message_new_method_call(
5853 bus,
5854 &m,
5855 "org.freedesktop.systemd1",
5856 "/org/freedesktop/systemd1",
5857 "org.freedesktop.systemd1.Manager",
5858 method);
5859 if (r < 0)
5860 return bus_log_create_error(r);
5861
5862 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
5863 if (r < 0)
5864 return bus_log_create_error(r);
5865
5866 r = sd_bus_call(bus, m, 0, &error, NULL);
5867 if (r < 0)
5868 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
5869
5870 return 0;
5871 }
5872
5873 static int import_environment(int argc, char *argv[], void *userdata) {
5874 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5875 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5876 sd_bus *bus;
5877 int r;
5878
5879 r = acquire_bus(BUS_MANAGER, &bus);
5880 if (r < 0)
5881 return r;
5882
5883 polkit_agent_open_maybe();
5884
5885 r = sd_bus_message_new_method_call(
5886 bus,
5887 &m,
5888 "org.freedesktop.systemd1",
5889 "/org/freedesktop/systemd1",
5890 "org.freedesktop.systemd1.Manager",
5891 "SetEnvironment");
5892 if (r < 0)
5893 return bus_log_create_error(r);
5894
5895 if (argc < 2)
5896 r = sd_bus_message_append_strv(m, environ);
5897 else {
5898 char **a, **b;
5899
5900 r = sd_bus_message_open_container(m, 'a', "s");
5901 if (r < 0)
5902 return bus_log_create_error(r);
5903
5904 STRV_FOREACH(a, strv_skip(argv, 1)) {
5905
5906 if (!env_name_is_valid(*a)) {
5907 log_error("Not a valid environment variable name: %s", *a);
5908 return -EINVAL;
5909 }
5910
5911 STRV_FOREACH(b, environ) {
5912 const char *eq;
5913
5914 eq = startswith(*b, *a);
5915 if (eq && *eq == '=') {
5916
5917 r = sd_bus_message_append(m, "s", *b);
5918 if (r < 0)
5919 return bus_log_create_error(r);
5920
5921 break;
5922 }
5923 }
5924 }
5925
5926 r = sd_bus_message_close_container(m);
5927 }
5928 if (r < 0)
5929 return bus_log_create_error(r);
5930
5931 r = sd_bus_call(bus, m, 0, &error, NULL);
5932 if (r < 0)
5933 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
5934
5935 return 0;
5936 }
5937
5938 static int enable_sysv_units(const char *verb, char **args) {
5939 int r = 0;
5940
5941 #if HAVE_SYSV_COMPAT
5942 _cleanup_(lookup_paths_free) LookupPaths paths = {};
5943 unsigned f = 0;
5944
5945 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
5946
5947 if (arg_scope != UNIT_FILE_SYSTEM)
5948 return 0;
5949
5950 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
5951 return 0;
5952
5953 if (!STR_IN_SET(verb,
5954 "enable",
5955 "disable",
5956 "is-enabled"))
5957 return 0;
5958
5959 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
5960 if (r < 0)
5961 return r;
5962
5963 r = 0;
5964 while (args[f]) {
5965
5966 const char *argv[] = {
5967 ROOTLIBEXECDIR "/systemd-sysv-install",
5968 NULL,
5969 NULL,
5970 NULL,
5971 NULL,
5972 };
5973
5974 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5975 bool found_native = false, found_sysv;
5976 const char *name;
5977 unsigned c = 1;
5978 pid_t pid;
5979 int j;
5980
5981 name = args[f++];
5982
5983 if (!endswith(name, ".service"))
5984 continue;
5985
5986 if (path_is_absolute(name))
5987 continue;
5988
5989 j = unit_file_exists(arg_scope, &paths, name);
5990 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
5991 return log_error_errno(j, "Failed to lookup unit file state: %m");
5992 found_native = j != 0;
5993
5994 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
5995 * prefer the native unit */
5996 if (found_native && streq(verb, "is-enabled"))
5997 continue;
5998
5999 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6000 if (!p)
6001 return log_oom();
6002
6003 p[strlen(p) - STRLEN(".service")] = 0;
6004 found_sysv = access(p, F_OK) >= 0;
6005 if (!found_sysv)
6006 continue;
6007
6008 if (!arg_quiet) {
6009 if (found_native)
6010 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6011 else
6012 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6013 }
6014
6015 if (!isempty(arg_root))
6016 argv[c++] = q = strappend("--root=", arg_root);
6017
6018 argv[c++] = verb;
6019 argv[c++] = basename(p);
6020 argv[c] = NULL;
6021
6022 l = strv_join((char**)argv, " ");
6023 if (!l)
6024 return log_oom();
6025
6026 if (!arg_quiet)
6027 log_info("Executing: %s", l);
6028
6029 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
6030 if (j < 0)
6031 return j;
6032 if (j == 0) {
6033 /* Child */
6034 execv(argv[0], (char**) argv);
6035 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6036 _exit(EXIT_FAILURE);
6037 }
6038
6039 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6040 if (j < 0)
6041 return j;
6042 if (streq(verb, "is-enabled")) {
6043 if (j == EXIT_SUCCESS) {
6044 if (!arg_quiet)
6045 puts("enabled");
6046 r = 1;
6047 } else {
6048 if (!arg_quiet)
6049 puts("disabled");
6050 }
6051
6052 } else if (j != EXIT_SUCCESS)
6053 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6054
6055 if (found_native)
6056 continue;
6057
6058 /* Remove this entry, so that we don't try enabling it as native unit */
6059 assert(f > 0);
6060 f--;
6061 assert(args[f] == name);
6062 strv_remove(args, name);
6063 }
6064
6065 #endif
6066 return r;
6067 }
6068
6069 static int mangle_names(char **original_names, char ***mangled_names) {
6070 char **i, **l, **name;
6071 int r;
6072
6073 l = i = new(char*, strv_length(original_names) + 1);
6074 if (!l)
6075 return log_oom();
6076
6077 STRV_FOREACH(name, original_names) {
6078
6079 /* When enabling units qualified path names are OK,
6080 * too, hence allow them explicitly. */
6081
6082 if (is_path(*name)) {
6083 *i = strdup(*name);
6084 if (!*i) {
6085 strv_free(l);
6086 return log_oom();
6087 }
6088 } else {
6089 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6090 if (r < 0) {
6091 *i = NULL;
6092 strv_free(l);
6093 return log_error_errno(r, "Failed to mangle unit name: %m");
6094 }
6095 }
6096
6097 i++;
6098 }
6099
6100 *i = NULL;
6101 *mangled_names = l;
6102
6103 return 0;
6104 }
6105
6106 static int normalize_filenames(char **names) {
6107 char **u;
6108 int r;
6109
6110 STRV_FOREACH(u, names)
6111 if (!path_is_absolute(*u)) {
6112 char* normalized_path;
6113
6114 if (!isempty(arg_root))
6115 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6116 "Non-absolute paths are not allowed when --root is used: %s",
6117 *u);
6118
6119 if (!strchr(*u,'/'))
6120 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6121 "Link argument does contain at least one directory separator: %s",
6122 *u);
6123
6124 r = path_make_absolute_cwd(*u, &normalized_path);
6125 if (r < 0)
6126 return r;
6127
6128 free_and_replace(*u, normalized_path);
6129 }
6130
6131 return 0;
6132 }
6133
6134 static int normalize_names(char **names, bool warn_if_path) {
6135 char **u;
6136 bool was_path = false;
6137
6138 STRV_FOREACH(u, names) {
6139 int r;
6140
6141 if (!is_path(*u))
6142 continue;
6143
6144 r = free_and_strdup(u, basename(*u));
6145 if (r < 0)
6146 return log_error_errno(r, "Failed to normalize unit file path: %m");
6147
6148 was_path = true;
6149 }
6150
6151 if (warn_if_path && was_path)
6152 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6153
6154 return 0;
6155 }
6156
6157 static int unit_exists(LookupPaths *lp, const char *unit) {
6158 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6159 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6160 _cleanup_free_ char *path = NULL;
6161 static const struct bus_properties_map property_map[] = {
6162 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6163 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6164 {},
6165 };
6166 UnitStatusInfo info = {};
6167 sd_bus *bus;
6168 int r;
6169
6170 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6171 return unit_find_template_path(unit, lp, NULL, NULL);
6172
6173 path = unit_dbus_path_from_name(unit);
6174 if (!path)
6175 return log_oom();
6176
6177 r = acquire_bus(BUS_MANAGER, &bus);
6178 if (r < 0)
6179 return r;
6180
6181 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6182 if (r < 0)
6183 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6184
6185 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6186 }
6187
6188 static int enable_unit(int argc, char *argv[], void *userdata) {
6189 _cleanup_strv_free_ char **names = NULL;
6190 const char *verb = argv[0];
6191 UnitFileChange *changes = NULL;
6192 size_t n_changes = 0;
6193 int carries_install_info = -1;
6194 bool ignore_carries_install_info = arg_quiet;
6195 int r;
6196
6197 if (!argv[1])
6198 return 0;
6199
6200 r = mangle_names(strv_skip(argv, 1), &names);
6201 if (r < 0)
6202 return r;
6203
6204 r = enable_sysv_units(verb, names);
6205 if (r < 0)
6206 return r;
6207
6208 /* If the operation was fully executed by the SysV compat, let's finish early */
6209 if (strv_isempty(names)) {
6210 if (arg_no_reload || install_client_side())
6211 return 0;
6212 return daemon_reload(argc, argv, userdata);
6213 }
6214
6215 if (streq(verb, "disable")) {
6216 r = normalize_names(names, true);
6217 if (r < 0)
6218 return r;
6219 }
6220
6221 if (streq(verb, "link")) {
6222 r = normalize_filenames(names);
6223 if (r < 0)
6224 return r;
6225 }
6226
6227 if (install_client_side()) {
6228 UnitFileFlags flags;
6229
6230 flags = args_to_flags();
6231 if (streq(verb, "enable")) {
6232 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6233 carries_install_info = r;
6234 } else if (streq(verb, "disable"))
6235 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6236 else if (streq(verb, "reenable")) {
6237 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6238 carries_install_info = r;
6239 } else if (streq(verb, "link"))
6240 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6241 else if (streq(verb, "preset")) {
6242 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6243 } else if (streq(verb, "mask"))
6244 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6245 else if (streq(verb, "unmask"))
6246 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6247 else if (streq(verb, "revert"))
6248 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6249 else
6250 assert_not_reached("Unknown verb");
6251
6252 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6253 if (r < 0)
6254 goto finish;
6255 r = 0;
6256 } else {
6257 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6258 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6259 bool expect_carries_install_info = false;
6260 bool send_runtime = true, send_force = true, send_preset_mode = false;
6261 const char *method;
6262 sd_bus *bus;
6263
6264 if (STR_IN_SET(verb, "mask", "unmask")) {
6265 char **name;
6266 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6267
6268 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6269 if (r < 0)
6270 return r;
6271
6272 STRV_FOREACH(name, names) {
6273 r = unit_exists(&lp, *name);
6274 if (r < 0)
6275 return r;
6276 if (r == 0)
6277 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6278 }
6279 }
6280
6281 r = acquire_bus(BUS_MANAGER, &bus);
6282 if (r < 0)
6283 return r;
6284
6285 polkit_agent_open_maybe();
6286
6287 if (streq(verb, "enable")) {
6288 method = "EnableUnitFiles";
6289 expect_carries_install_info = true;
6290 } else if (streq(verb, "disable")) {
6291 method = "DisableUnitFiles";
6292 send_force = false;
6293 } else if (streq(verb, "reenable")) {
6294 method = "ReenableUnitFiles";
6295 expect_carries_install_info = true;
6296 } else if (streq(verb, "link"))
6297 method = "LinkUnitFiles";
6298 else if (streq(verb, "preset")) {
6299
6300 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6301 method = "PresetUnitFilesWithMode";
6302 send_preset_mode = true;
6303 } else
6304 method = "PresetUnitFiles";
6305
6306 expect_carries_install_info = true;
6307 ignore_carries_install_info = true;
6308 } else if (streq(verb, "mask"))
6309 method = "MaskUnitFiles";
6310 else if (streq(verb, "unmask")) {
6311 method = "UnmaskUnitFiles";
6312 send_force = false;
6313 } else if (streq(verb, "revert")) {
6314 method = "RevertUnitFiles";
6315 send_runtime = send_force = false;
6316 } else
6317 assert_not_reached("Unknown verb");
6318
6319 r = sd_bus_message_new_method_call(
6320 bus,
6321 &m,
6322 "org.freedesktop.systemd1",
6323 "/org/freedesktop/systemd1",
6324 "org.freedesktop.systemd1.Manager",
6325 method);
6326 if (r < 0)
6327 return bus_log_create_error(r);
6328
6329 r = sd_bus_message_append_strv(m, names);
6330 if (r < 0)
6331 return bus_log_create_error(r);
6332
6333 if (send_preset_mode) {
6334 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6335 if (r < 0)
6336 return bus_log_create_error(r);
6337 }
6338
6339 if (send_runtime) {
6340 r = sd_bus_message_append(m, "b", arg_runtime);
6341 if (r < 0)
6342 return bus_log_create_error(r);
6343 }
6344
6345 if (send_force) {
6346 r = sd_bus_message_append(m, "b", arg_force);
6347 if (r < 0)
6348 return bus_log_create_error(r);
6349 }
6350
6351 r = sd_bus_call(bus, m, 0, &error, &reply);
6352 if (r < 0)
6353 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6354
6355 if (expect_carries_install_info) {
6356 r = sd_bus_message_read(reply, "b", &carries_install_info);
6357 if (r < 0)
6358 return bus_log_parse_error(r);
6359 }
6360
6361 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6362 if (r < 0)
6363 goto finish;
6364
6365 /* Try to reload if enabled */
6366 if (!arg_no_reload)
6367 r = daemon_reload(argc, argv, userdata);
6368 else
6369 r = 0;
6370 }
6371
6372 if (carries_install_info == 0 && !ignore_carries_install_info)
6373 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6374 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6375 "units). This means they are not meant to be enabled using systemctl.\n \n"
6376 "Possible reasons for having this kind of units are:\n"
6377 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6378 " .wants/ or .requires/ directory.\n"
6379 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6380 " a requirement dependency on it.\n"
6381 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6382 " D-Bus, udev, scripted systemctl call, ...).\n"
6383 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6384 " instance name specified.",
6385 special_glyph(BULLET));
6386
6387 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6388 sd_bus *bus;
6389 size_t len, i;
6390
6391 r = acquire_bus(BUS_MANAGER, &bus);
6392 if (r < 0)
6393 goto finish;
6394
6395 len = strv_length(names);
6396 {
6397 char *new_args[len + 2];
6398
6399 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6400 for (i = 0; i < len; i++)
6401 new_args[i + 1] = basename(names[i]);
6402 new_args[i + 1] = NULL;
6403
6404 r = start_unit(len + 1, new_args, userdata);
6405 }
6406 }
6407
6408 finish:
6409 unit_file_changes_free(changes, n_changes);
6410
6411 return r;
6412 }
6413
6414 static int add_dependency(int argc, char *argv[], void *userdata) {
6415 _cleanup_strv_free_ char **names = NULL;
6416 _cleanup_free_ char *target = NULL;
6417 const char *verb = argv[0];
6418 UnitFileChange *changes = NULL;
6419 size_t n_changes = 0;
6420 UnitDependency dep;
6421 int r = 0;
6422
6423 if (!argv[1])
6424 return 0;
6425
6426 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6427 if (r < 0)
6428 return log_error_errno(r, "Failed to mangle unit name: %m");
6429
6430 r = mangle_names(strv_skip(argv, 2), &names);
6431 if (r < 0)
6432 return r;
6433
6434 if (streq(verb, "add-wants"))
6435 dep = UNIT_WANTS;
6436 else if (streq(verb, "add-requires"))
6437 dep = UNIT_REQUIRES;
6438 else
6439 assert_not_reached("Unknown verb");
6440
6441 if (install_client_side()) {
6442 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6443 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6444
6445 if (r > 0)
6446 r = 0;
6447 } else {
6448 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6449 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6450 sd_bus *bus;
6451
6452 r = acquire_bus(BUS_MANAGER, &bus);
6453 if (r < 0)
6454 return r;
6455
6456 polkit_agent_open_maybe();
6457
6458 r = sd_bus_message_new_method_call(
6459 bus,
6460 &m,
6461 "org.freedesktop.systemd1",
6462 "/org/freedesktop/systemd1",
6463 "org.freedesktop.systemd1.Manager",
6464 "AddDependencyUnitFiles");
6465 if (r < 0)
6466 return bus_log_create_error(r);
6467
6468 r = sd_bus_message_append_strv(m, names);
6469 if (r < 0)
6470 return bus_log_create_error(r);
6471
6472 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6473 if (r < 0)
6474 return bus_log_create_error(r);
6475
6476 r = sd_bus_call(bus, m, 0, &error, &reply);
6477 if (r < 0)
6478 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6479
6480 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6481 if (r < 0)
6482 goto finish;
6483
6484 if (arg_no_reload) {
6485 r = 0;
6486 goto finish;
6487 }
6488
6489 r = daemon_reload(argc, argv, userdata);
6490 }
6491
6492 finish:
6493 unit_file_changes_free(changes, n_changes);
6494
6495 return r;
6496 }
6497
6498 static int preset_all(int argc, char *argv[], void *userdata) {
6499 UnitFileChange *changes = NULL;
6500 size_t n_changes = 0;
6501 int r;
6502
6503 if (install_client_side()) {
6504 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6505 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6506
6507 if (r > 0)
6508 r = 0;
6509 } else {
6510 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6511 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6512 sd_bus *bus;
6513
6514 r = acquire_bus(BUS_MANAGER, &bus);
6515 if (r < 0)
6516 return r;
6517
6518 polkit_agent_open_maybe();
6519
6520 r = sd_bus_call_method(
6521 bus,
6522 "org.freedesktop.systemd1",
6523 "/org/freedesktop/systemd1",
6524 "org.freedesktop.systemd1.Manager",
6525 "PresetAllUnitFiles",
6526 &error,
6527 &reply,
6528 "sbb",
6529 unit_file_preset_mode_to_string(arg_preset_mode),
6530 arg_runtime,
6531 arg_force);
6532 if (r < 0)
6533 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6534
6535 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6536 if (r < 0)
6537 goto finish;
6538
6539 if (arg_no_reload) {
6540 r = 0;
6541 goto finish;
6542 }
6543
6544 r = daemon_reload(argc, argv, userdata);
6545 }
6546
6547 finish:
6548 unit_file_changes_free(changes, n_changes);
6549
6550 return r;
6551 }
6552
6553 static int show_installation_targets_client_side(const char *name) {
6554 UnitFileChange *changes = NULL;
6555 size_t n_changes = 0, i;
6556 UnitFileFlags flags;
6557 char **p;
6558 int r;
6559
6560 p = STRV_MAKE(name);
6561 flags = UNIT_FILE_DRY_RUN |
6562 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6563
6564 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6565 if (r < 0)
6566 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6567
6568 for (i = 0; i < n_changes; i++)
6569 if (changes[i].type == UNIT_FILE_UNLINK)
6570 printf(" %s\n", changes[i].path);
6571
6572 return 0;
6573 }
6574
6575 static int show_installation_targets(sd_bus *bus, const char *name) {
6576 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6577 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6578 const char *link;
6579 int r;
6580
6581 r = sd_bus_call_method(
6582 bus,
6583 "org.freedesktop.systemd1",
6584 "/org/freedesktop/systemd1",
6585 "org.freedesktop.systemd1.Manager",
6586 "GetUnitFileLinks",
6587 &error,
6588 &reply,
6589 "sb", name, arg_runtime);
6590 if (r < 0)
6591 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
6592
6593 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6594 if (r < 0)
6595 return bus_log_parse_error(r);
6596
6597 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
6598 printf(" %s\n", link);
6599
6600 if (r < 0)
6601 return bus_log_parse_error(r);
6602
6603 r = sd_bus_message_exit_container(reply);
6604 if (r < 0)
6605 return bus_log_parse_error(r);
6606
6607 return 0;
6608 }
6609
6610 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
6611 _cleanup_strv_free_ char **names = NULL;
6612 bool enabled;
6613 char **name;
6614 int r;
6615
6616 r = mangle_names(strv_skip(argv, 1), &names);
6617 if (r < 0)
6618 return r;
6619
6620 r = enable_sysv_units(argv[0], names);
6621 if (r < 0)
6622 return r;
6623
6624 enabled = r > 0;
6625
6626 if (install_client_side()) {
6627 STRV_FOREACH(name, names) {
6628 UnitFileState state;
6629
6630 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
6631 if (r < 0)
6632 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
6633
6634 if (IN_SET(state,
6635 UNIT_FILE_ENABLED,
6636 UNIT_FILE_ENABLED_RUNTIME,
6637 UNIT_FILE_STATIC,
6638 UNIT_FILE_INDIRECT,
6639 UNIT_FILE_GENERATED))
6640 enabled = true;
6641
6642 if (!arg_quiet) {
6643 puts(unit_file_state_to_string(state));
6644 if (arg_full) {
6645 r = show_installation_targets_client_side(*name);
6646 if (r < 0)
6647 return r;
6648 }
6649 }
6650 }
6651
6652 r = 0;
6653 } else {
6654 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6655 sd_bus *bus;
6656
6657 r = acquire_bus(BUS_MANAGER, &bus);
6658 if (r < 0)
6659 return r;
6660
6661 STRV_FOREACH(name, names) {
6662 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6663 const char *s;
6664
6665 r = sd_bus_call_method(
6666 bus,
6667 "org.freedesktop.systemd1",
6668 "/org/freedesktop/systemd1",
6669 "org.freedesktop.systemd1.Manager",
6670 "GetUnitFileState",
6671 &error,
6672 &reply,
6673 "s", *name);
6674 if (r < 0)
6675 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
6676
6677 r = sd_bus_message_read(reply, "s", &s);
6678 if (r < 0)
6679 return bus_log_parse_error(r);
6680
6681 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
6682 enabled = true;
6683
6684 if (!arg_quiet) {
6685 puts(s);
6686 if (arg_full) {
6687 r = show_installation_targets(bus, *name);
6688 if (r < 0)
6689 return r;
6690 }
6691 }
6692 }
6693 }
6694
6695 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
6696 }
6697
6698 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
6699 char **state = userdata;
6700 int r;
6701
6702 assert(state);
6703
6704 r = sd_bus_get_property_string(
6705 sd_bus_message_get_bus(m),
6706 "org.freedesktop.systemd1",
6707 "/org/freedesktop/systemd1",
6708 "org.freedesktop.systemd1.Manager",
6709 "SystemState",
6710 NULL,
6711 state);
6712
6713 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
6714 return 0;
6715 }
6716
6717 static int is_system_running(int argc, char *argv[], void *userdata) {
6718 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6719 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
6720 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
6721 _cleanup_free_ char *state = NULL;
6722 sd_bus *bus;
6723 int r;
6724
6725 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
6726 if (!arg_quiet)
6727 puts("offline");
6728 return EXIT_FAILURE;
6729 }
6730
6731 r = acquire_bus(BUS_MANAGER, &bus);
6732 if (r < 0)
6733 return r;
6734
6735 if (arg_wait) {
6736 r = sd_event_default(&event);
6737 if (r >= 0)
6738 r = sd_bus_attach_event(bus, event, 0);
6739 if (r >= 0)
6740 r = sd_bus_match_signal_async(
6741 bus,
6742 &slot_startup_finished,
6743 "org.freedesktop.systemd1",
6744 "/org/freedesktop/systemd1",
6745 "org.freedesktop.systemd1.Manager",
6746 "StartupFinished",
6747 match_startup_finished, NULL, &state);
6748 if (r < 0) {
6749 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
6750 arg_wait = false;
6751 }
6752 }
6753
6754 r = sd_bus_get_property_string(
6755 bus,
6756 "org.freedesktop.systemd1",
6757 "/org/freedesktop/systemd1",
6758 "org.freedesktop.systemd1.Manager",
6759 "SystemState",
6760 &error,
6761 &state);
6762 if (r < 0) {
6763 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
6764
6765 if (!arg_quiet)
6766 puts("unknown");
6767 return EXIT_FAILURE;
6768 }
6769
6770 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
6771 r = sd_event_loop(event);
6772 if (r < 0) {
6773 log_warning_errno(r, "Failed to get property from event loop: %m");
6774 if (!arg_quiet)
6775 puts("unknown");
6776 return EXIT_FAILURE;
6777 }
6778 }
6779
6780 if (!arg_quiet)
6781 puts(state);
6782
6783 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
6784 }
6785
6786 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
6787 _cleanup_free_ char *t = NULL;
6788 int r;
6789
6790 assert(new_path);
6791 assert(original_path);
6792 assert(ret_tmp_fn);
6793
6794 r = tempfn_random(new_path, NULL, &t);
6795 if (r < 0)
6796 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
6797
6798 r = mkdir_parents(new_path, 0755);
6799 if (r < 0)
6800 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
6801
6802 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
6803 if (r == -ENOENT) {
6804
6805 r = touch(t);
6806 if (r < 0)
6807 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
6808
6809 } else if (r < 0)
6810 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
6811
6812 *ret_tmp_fn = TAKE_PTR(t);
6813
6814 return 0;
6815 }
6816
6817 static int get_file_to_edit(
6818 const LookupPaths *paths,
6819 const char *name,
6820 char **ret_path) {
6821
6822 _cleanup_free_ char *path = NULL, *run = NULL;
6823
6824 assert(name);
6825 assert(ret_path);
6826
6827 path = strjoin(paths->persistent_config, "/", name);
6828 if (!path)
6829 return log_oom();
6830
6831 if (arg_runtime) {
6832 run = strjoin(paths->runtime_config, "/", name);
6833 if (!run)
6834 return log_oom();
6835 }
6836
6837 if (arg_runtime) {
6838 if (access(path, F_OK) >= 0)
6839 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
6840 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
6841 run, path);
6842
6843 *ret_path = TAKE_PTR(run);
6844 } else
6845 *ret_path = TAKE_PTR(path);
6846
6847 return 0;
6848 }
6849
6850 static int unit_file_create_new(
6851 const LookupPaths *paths,
6852 const char *unit_name,
6853 const char *suffix,
6854 char **ret_new_path,
6855 char **ret_tmp_path) {
6856
6857 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
6858 const char *ending;
6859 int r;
6860
6861 assert(unit_name);
6862 assert(ret_new_path);
6863 assert(ret_tmp_path);
6864
6865 ending = strjoina(unit_name, suffix);
6866 r = get_file_to_edit(paths, ending, &new_path);
6867 if (r < 0)
6868 return r;
6869
6870 r = create_edit_temp_file(new_path, new_path, &tmp_path);
6871 if (r < 0)
6872 return r;
6873
6874 *ret_new_path = TAKE_PTR(new_path);
6875 *ret_tmp_path = TAKE_PTR(tmp_path);
6876
6877 return 0;
6878 }
6879
6880 static int unit_file_create_copy(
6881 const LookupPaths *paths,
6882 const char *unit_name,
6883 const char *fragment_path,
6884 char **ret_new_path,
6885 char **ret_tmp_path) {
6886
6887 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
6888 int r;
6889
6890 assert(fragment_path);
6891 assert(unit_name);
6892 assert(ret_new_path);
6893 assert(ret_tmp_path);
6894
6895 r = get_file_to_edit(paths, unit_name, &new_path);
6896 if (r < 0)
6897 return r;
6898
6899 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
6900 char response;
6901
6902 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
6903 if (r < 0)
6904 return r;
6905 if (response != 'y')
6906 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
6907 }
6908
6909 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
6910 if (r < 0)
6911 return r;
6912
6913 *ret_new_path = TAKE_PTR(new_path);
6914 *ret_tmp_path = TAKE_PTR(tmp_path);
6915
6916 return 0;
6917 }
6918
6919 static int run_editor(char **paths) {
6920 int r;
6921
6922 assert(paths);
6923
6924 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG|FORK_WAIT, NULL);
6925 if (r < 0)
6926 return r;
6927 if (r == 0) {
6928 char **editor_args = NULL, **tmp_path, **original_path, *p;
6929 size_t n_editor_args = 0, i = 1, argc;
6930 const char **args, *editor;
6931
6932 argc = strv_length(paths)/2 + 1;
6933
6934 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
6935 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
6936 * we try to execute well known editors
6937 */
6938 editor = getenv("SYSTEMD_EDITOR");
6939 if (!editor)
6940 editor = getenv("EDITOR");
6941 if (!editor)
6942 editor = getenv("VISUAL");
6943
6944 if (!isempty(editor)) {
6945 editor_args = strv_split(editor, WHITESPACE);
6946 if (!editor_args) {
6947 (void) log_oom();
6948 _exit(EXIT_FAILURE);
6949 }
6950 n_editor_args = strv_length(editor_args);
6951 argc += n_editor_args - 1;
6952 }
6953
6954 args = newa(const char*, argc + 1);
6955
6956 if (n_editor_args > 0) {
6957 args[0] = editor_args[0];
6958 for (; i < n_editor_args; i++)
6959 args[i] = editor_args[i];
6960 }
6961
6962 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
6963 args[i++] = *tmp_path;
6964 args[i] = NULL;
6965
6966 if (n_editor_args > 0)
6967 execvp(args[0], (char* const*) args);
6968
6969 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
6970 args[0] = p;
6971 execvp(p, (char* const*) args);
6972 /* We do not fail if the editor doesn't exist
6973 * because we want to try each one of them before
6974 * failing.
6975 */
6976 if (errno != ENOENT) {
6977 log_error_errno(errno, "Failed to execute %s: %m", editor);
6978 _exit(EXIT_FAILURE);
6979 }
6980 }
6981
6982 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
6983 _exit(EXIT_FAILURE);
6984 }
6985
6986 return 0;
6987 }
6988
6989 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
6990 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6991 char **name;
6992 int r;
6993
6994 assert(names);
6995 assert(paths);
6996
6997 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6998 if (r < 0)
6999 return r;
7000
7001 STRV_FOREACH(name, names) {
7002 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7003 const char *unit_name;
7004
7005 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7006 if (r == -EKEYREJECTED) {
7007 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7008 * file path. In that case, find the file client side. */
7009 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7010 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7011 }
7012 if (r == -ERFKILL)
7013 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7014 if (r < 0)
7015 return r;
7016
7017 if (r == 0) {
7018 assert(!path);
7019
7020 if (!arg_force) {
7021 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7022 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7023 arg_scope == UNIT_FILE_USER ? " --user" : "",
7024 *name);
7025 return -ENOENT;
7026 }
7027
7028 /* Create a new unit from scratch */
7029 unit_name = *name;
7030 r = unit_file_create_new(&lp, unit_name,
7031 arg_full ? NULL : ".d/override.conf",
7032 &new_path, &tmp_path);
7033 } else {
7034 assert(path);
7035
7036 unit_name = basename(path);
7037 /* We follow unit aliases, but we need to propagate the instance */
7038 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7039 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7040 _cleanup_free_ char *instance = NULL;
7041
7042 r = unit_name_to_instance(*name, &instance);
7043 if (r < 0)
7044 return r;
7045
7046 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7047 if (r < 0)
7048 return r;
7049
7050 unit_name = tmp_name;
7051 }
7052
7053 if (arg_full)
7054 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7055 else
7056 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7057 }
7058 if (r < 0)
7059 return r;
7060
7061 r = strv_push_pair(paths, new_path, tmp_path);
7062 if (r < 0)
7063 return log_oom();
7064
7065 new_path = tmp_path = NULL;
7066 }
7067
7068 return 0;
7069 }
7070
7071 static int edit(int argc, char *argv[], void *userdata) {
7072 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7073 _cleanup_strv_free_ char **names = NULL;
7074 _cleanup_strv_free_ char **paths = NULL;
7075 char **original, **tmp;
7076 sd_bus *bus;
7077 int r;
7078
7079 if (!on_tty()) {
7080 log_error("Cannot edit units if not on a tty.");
7081 return -EINVAL;
7082 }
7083
7084 if (arg_transport != BUS_TRANSPORT_LOCAL) {
7085 log_error("Cannot edit units remotely.");
7086 return -EINVAL;
7087 }
7088
7089 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7090 if (r < 0)
7091 return log_error_errno(r, "Failed to determine unit paths: %m");
7092
7093 r = acquire_bus(BUS_MANAGER, &bus);
7094 if (r < 0)
7095 return r;
7096
7097 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7098 if (r < 0)
7099 return log_error_errno(r, "Failed to expand names: %m");
7100
7101 STRV_FOREACH(tmp, names) {
7102 r = unit_is_masked(bus, &lp, *tmp);
7103 if (r < 0)
7104 return r;
7105 if (r > 0) {
7106 log_error("Cannot edit %s: unit is masked.", *tmp);
7107 return -EINVAL;
7108 }
7109 }
7110
7111 r = find_paths_to_edit(bus, names, &paths);
7112 if (r < 0)
7113 return r;
7114
7115 if (strv_isempty(paths))
7116 return -ENOENT;
7117
7118 r = run_editor(paths);
7119 if (r < 0)
7120 goto end;
7121
7122 STRV_FOREACH_PAIR(original, tmp, paths) {
7123 /* If the temporary file is empty we ignore it.
7124 * This allows the user to cancel the modification.
7125 */
7126 if (null_or_empty_path(*tmp)) {
7127 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7128 continue;
7129 }
7130
7131 r = rename(*tmp, *original);
7132 if (r < 0) {
7133 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7134 goto end;
7135 }
7136 }
7137
7138 r = 0;
7139
7140 if (!arg_no_reload && !install_client_side())
7141 r = daemon_reload(argc, argv, userdata);
7142
7143 end:
7144 STRV_FOREACH_PAIR(original, tmp, paths) {
7145 (void) unlink(*tmp);
7146
7147 /* Removing empty dropin dirs */
7148 if (!arg_full) {
7149 _cleanup_free_ char *dir;
7150
7151 dir = dirname_malloc(*original);
7152 if (!dir)
7153 return log_oom();
7154
7155 /* no need to check if the dir is empty, rmdir
7156 * does nothing if it is not the case.
7157 */
7158 (void) rmdir(dir);
7159 }
7160 }
7161
7162 return r;
7163 }
7164
7165 static int systemctl_help(void) {
7166 _cleanup_free_ char *link = NULL;
7167 int r;
7168
7169 (void) pager_open(arg_pager_flags);
7170
7171 r = terminal_urlify_man("systemctl", "1", &link);
7172 if (r < 0)
7173 return log_oom();
7174
7175 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7176 "Query or send control commands to the systemd manager.\n\n"
7177 " -h --help Show this help\n"
7178 " --version Show package version\n"
7179 " --system Connect to system manager\n"
7180 " --user Connect to user service manager\n"
7181 " -H --host=[USER@]HOST\n"
7182 " Operate on remote host\n"
7183 " -M --machine=CONTAINER\n"
7184 " Operate on local container\n"
7185 " -t --type=TYPE List units of a particular type\n"
7186 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7187 " -p --property=NAME Show only properties by this name\n"
7188 " -a --all Show all properties/all units currently in memory,\n"
7189 " including dead/empty ones. To list all units installed on\n"
7190 " the system, use the 'list-unit-files' command instead.\n"
7191 " --failed Same as --state=failed\n"
7192 " -l --full Don't ellipsize unit names on output\n"
7193 " -r --recursive Show unit list of host and local containers\n"
7194 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7195 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7196 " queueing a new job\n"
7197 " --show-types When showing sockets, explicitly show their type\n"
7198 " --value When showing properties, only print the value\n"
7199 " -i --ignore-inhibitors\n"
7200 " When shutting down or sleeping, ignore inhibitors\n"
7201 " --kill-who=WHO Who to send signal to\n"
7202 " -s --signal=SIGNAL Which signal to send\n"
7203 " --now Start or stop unit in addition to enabling or disabling it\n"
7204 " --dry-run Only print what would be done\n"
7205 " -q --quiet Suppress output\n"
7206 " --wait For (re)start, wait until service stopped again\n"
7207 " For is-system-running, wait until startup is completed\n"
7208 " --no-block Do not wait until operation finished\n"
7209 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7210 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7211 " --no-legend Do not print a legend (column headers and hints)\n"
7212 " --no-pager Do not pipe output into a pager\n"
7213 " --no-ask-password\n"
7214 " Do not ask for system passwords\n"
7215 " --global Enable/disable/mask unit files globally\n"
7216 " --runtime Enable/disable/mask unit files temporarily until next\n"
7217 " reboot\n"
7218 " -f --force When enabling unit files, override existing symlinks\n"
7219 " When shutting down, execute action immediately\n"
7220 " --preset-mode= Apply only enable, only disable, or all presets\n"
7221 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7222 " directory\n"
7223 " -n --lines=INTEGER Number of journal entries to show\n"
7224 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7225 " short-iso, short-iso-precise, short-full,\n"
7226 " short-monotonic, short-unix,\n"
7227 " verbose, export, json, json-pretty, json-sse, cat)\n"
7228 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7229 " --plain Print unit dependencies as a list instead of a tree\n\n"
7230 "Unit Commands:\n"
7231 " list-units [PATTERN...] List units currently in memory\n"
7232 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7233 " ordered by address\n"
7234 " list-timers [PATTERN...] List timer units currently in memory,\n"
7235 " ordered by next elapse\n"
7236 " start UNIT... Start (activate) one or more units\n"
7237 " stop UNIT... Stop (deactivate) one or more units\n"
7238 " reload UNIT... Reload one or more units\n"
7239 " restart UNIT... Start or restart one or more units\n"
7240 " try-restart UNIT... Restart one or more units if active\n"
7241 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7242 " otherwise start or restart\n"
7243 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7244 " if supported, otherwise restart\n"
7245 " isolate UNIT Start one unit and stop all others\n"
7246 " kill UNIT... Send signal to processes of a unit\n"
7247 " is-active PATTERN... Check whether units are active\n"
7248 " is-failed PATTERN... Check whether units are failed\n"
7249 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7250 " show [PATTERN...|JOB...] Show properties of one or more\n"
7251 " units/jobs or the manager\n"
7252 " cat PATTERN... Show files and drop-ins of specified units\n"
7253 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7254 " help PATTERN...|PID... Show manual for one or more units\n"
7255 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7256 " units\n"
7257 " list-dependencies [UNIT] Recursively show units which are required\n"
7258 " or wanted by this unit or by which this\n"
7259 " unit is required or wanted\n\n"
7260 "Unit File Commands:\n"
7261 " list-unit-files [PATTERN...] List installed unit files\n"
7262 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7263 " disable UNIT... Disable one or more unit files\n"
7264 " reenable UNIT... Reenable one or more unit files\n"
7265 " preset UNIT... Enable/disable one or more unit files\n"
7266 " based on preset configuration\n"
7267 " preset-all Enable/disable all unit files based on\n"
7268 " preset configuration\n"
7269 " is-enabled UNIT... Check whether unit files are enabled\n"
7270 " mask UNIT... Mask one or more units\n"
7271 " unmask UNIT... Unmask one or more units\n"
7272 " link PATH... Link one or more units files into\n"
7273 " the search path\n"
7274 " revert UNIT... Revert one or more unit files to vendor\n"
7275 " version\n"
7276 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7277 " on specified one or more units\n"
7278 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7279 " on specified one or more units\n"
7280 " edit UNIT... Edit one or more unit files\n"
7281 " get-default Get the name of the default target\n"
7282 " set-default TARGET Set the default target\n\n"
7283 "Machine Commands:\n"
7284 " list-machines [PATTERN...] List local containers and host\n\n"
7285 "Job Commands:\n"
7286 " list-jobs [PATTERN...] List jobs\n"
7287 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7288 "Environment Commands:\n"
7289 " show-environment Dump environment\n"
7290 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7291 " unset-environment VARIABLE... Unset one or more environment variables\n"
7292 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7293 "Manager Lifecycle Commands:\n"
7294 " daemon-reload Reload systemd manager configuration\n"
7295 " daemon-reexec Reexecute systemd manager\n\n"
7296 "System Commands:\n"
7297 " is-system-running Check whether system is fully running\n"
7298 " default Enter system default mode\n"
7299 " rescue Enter system rescue mode\n"
7300 " emergency Enter system emergency mode\n"
7301 " halt Shut down and halt the system\n"
7302 " poweroff Shut down and power-off the system\n"
7303 " reboot [ARG] Shut down and reboot the system\n"
7304 " kexec Shut down and reboot the system with kexec\n"
7305 " exit [EXIT_CODE] Request user instance or container exit\n"
7306 " switch-root ROOT [INIT] Change to a different root file system\n"
7307 " suspend Suspend the system\n"
7308 " hibernate Hibernate the system\n"
7309 " hybrid-sleep Hibernate and suspend the system\n"
7310 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7311 " time and put it into hibernate\n"
7312 "\nSee the %s for details.\n"
7313 , program_invocation_short_name
7314 , link
7315 );
7316
7317 return 0;
7318 }
7319
7320 static int halt_help(void) {
7321 _cleanup_free_ char *link = NULL;
7322 int r;
7323
7324 r = terminal_urlify_man("halt", "8", &link);
7325 if (r < 0)
7326 return log_oom();
7327
7328 printf("%s [OPTIONS...]%s\n\n"
7329 "%s the system.\n\n"
7330 " --help Show this help\n"
7331 " --halt Halt the machine\n"
7332 " -p --poweroff Switch off the machine\n"
7333 " --reboot Reboot the machine\n"
7334 " -f --force Force immediate halt/power-off/reboot\n"
7335 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7336 " -d --no-wtmp Don't write wtmp record\n"
7337 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7338 "\nSee the %s for details.\n"
7339 , program_invocation_short_name
7340 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7341 arg_action == ACTION_REBOOT ? "Reboot" :
7342 arg_action == ACTION_POWEROFF ? "Power off" :
7343 "Halt"
7344 , link
7345 );
7346
7347 return 0;
7348 }
7349
7350 static int shutdown_help(void) {
7351 _cleanup_free_ char *link = NULL;
7352 int r;
7353
7354 r = terminal_urlify_man("shutdown", "8", &link);
7355 if (r < 0)
7356 return log_oom();
7357
7358 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7359 "Shut down the system.\n\n"
7360 " --help Show this help\n"
7361 " -H --halt Halt the machine\n"
7362 " -P --poweroff Power-off the machine\n"
7363 " -r --reboot Reboot the machine\n"
7364 " -h Equivalent to --poweroff, overridden by --halt\n"
7365 " -k Don't halt/power-off/reboot, just send warnings\n"
7366 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7367 " -c Cancel a pending shutdown\n"
7368 "\nSee the %s for details.\n"
7369 , program_invocation_short_name
7370 , link
7371 );
7372
7373 return 0;
7374 }
7375
7376 static int telinit_help(void) {
7377 _cleanup_free_ char *link = NULL;
7378 int r;
7379
7380 r = terminal_urlify_man("telinit", "8", &link);
7381 if (r < 0)
7382 return log_oom();
7383
7384 printf("%s [OPTIONS...] {COMMAND}\n\n"
7385 "Send control commands to the init daemon.\n\n"
7386 " --help Show this help\n"
7387 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7388 "Commands:\n"
7389 " 0 Power-off the machine\n"
7390 " 6 Reboot the machine\n"
7391 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7392 " 1, s, S Enter rescue mode\n"
7393 " q, Q Reload init daemon configuration\n"
7394 " u, U Reexecute init daemon\n"
7395 "\nSee the %s for details.\n"
7396 , program_invocation_short_name
7397 , link
7398 );
7399
7400 return 0;
7401 }
7402
7403 static int runlevel_help(void) {
7404 _cleanup_free_ char *link = NULL;
7405 int r;
7406
7407 r = terminal_urlify_man("runlevel", "8", &link);
7408 if (r < 0)
7409 return log_oom();
7410
7411 printf("%s [OPTIONS...]\n\n"
7412 "Prints the previous and current runlevel of the init system.\n\n"
7413 " --help Show this help\n"
7414 "\nSee the %s for details.\n"
7415 , program_invocation_short_name
7416 , link
7417 );
7418
7419 return 0;
7420 }
7421
7422 static void help_types(void) {
7423 if (!arg_no_legend)
7424 puts("Available unit types:");
7425
7426 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7427 }
7428
7429 static void help_states(void) {
7430 if (!arg_no_legend)
7431 puts("Available unit load states:");
7432 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7433
7434 if (!arg_no_legend)
7435 puts("\nAvailable unit active states:");
7436 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7437
7438 if (!arg_no_legend)
7439 puts("\nAvailable automount unit substates:");
7440 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7441
7442 if (!arg_no_legend)
7443 puts("\nAvailable device unit substates:");
7444 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7445
7446 if (!arg_no_legend)
7447 puts("\nAvailable mount unit substates:");
7448 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7449
7450 if (!arg_no_legend)
7451 puts("\nAvailable path unit substates:");
7452 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7453
7454 if (!arg_no_legend)
7455 puts("\nAvailable scope unit substates:");
7456 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7457
7458 if (!arg_no_legend)
7459 puts("\nAvailable service unit substates:");
7460 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7461
7462 if (!arg_no_legend)
7463 puts("\nAvailable slice unit substates:");
7464 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7465
7466 if (!arg_no_legend)
7467 puts("\nAvailable socket unit substates:");
7468 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7469
7470 if (!arg_no_legend)
7471 puts("\nAvailable swap unit substates:");
7472 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7473
7474 if (!arg_no_legend)
7475 puts("\nAvailable target unit substates:");
7476 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7477
7478 if (!arg_no_legend)
7479 puts("\nAvailable timer unit substates:");
7480 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7481 }
7482
7483 static int systemctl_parse_argv(int argc, char *argv[]) {
7484 enum {
7485 ARG_FAIL = 0x100,
7486 ARG_REVERSE,
7487 ARG_AFTER,
7488 ARG_BEFORE,
7489 ARG_DRY_RUN,
7490 ARG_SHOW_TYPES,
7491 ARG_IRREVERSIBLE,
7492 ARG_IGNORE_DEPENDENCIES,
7493 ARG_VALUE,
7494 ARG_VERSION,
7495 ARG_USER,
7496 ARG_SYSTEM,
7497 ARG_GLOBAL,
7498 ARG_NO_BLOCK,
7499 ARG_NO_LEGEND,
7500 ARG_NO_PAGER,
7501 ARG_NO_WALL,
7502 ARG_ROOT,
7503 ARG_NO_RELOAD,
7504 ARG_KILL_WHO,
7505 ARG_NO_ASK_PASSWORD,
7506 ARG_FAILED,
7507 ARG_RUNTIME,
7508 ARG_PLAIN,
7509 ARG_STATE,
7510 ARG_JOB_MODE,
7511 ARG_PRESET_MODE,
7512 ARG_FIRMWARE_SETUP,
7513 ARG_NOW,
7514 ARG_MESSAGE,
7515 ARG_WAIT,
7516 };
7517
7518 static const struct option options[] = {
7519 { "help", no_argument, NULL, 'h' },
7520 { "version", no_argument, NULL, ARG_VERSION },
7521 { "type", required_argument, NULL, 't' },
7522 { "property", required_argument, NULL, 'p' },
7523 { "all", no_argument, NULL, 'a' },
7524 { "reverse", no_argument, NULL, ARG_REVERSE },
7525 { "after", no_argument, NULL, ARG_AFTER },
7526 { "before", no_argument, NULL, ARG_BEFORE },
7527 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7528 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7529 { "full", no_argument, NULL, 'l' },
7530 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7531 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7532 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7533 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7534 { "ignore-inhibitors", no_argument, NULL, 'i' },
7535 { "value", no_argument, NULL, ARG_VALUE },
7536 { "user", no_argument, NULL, ARG_USER },
7537 { "system", no_argument, NULL, ARG_SYSTEM },
7538 { "global", no_argument, NULL, ARG_GLOBAL },
7539 { "wait", no_argument, NULL, ARG_WAIT },
7540 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7541 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7542 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7543 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7544 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7545 { "quiet", no_argument, NULL, 'q' },
7546 { "root", required_argument, NULL, ARG_ROOT },
7547 { "force", no_argument, NULL, 'f' },
7548 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7549 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7550 { "signal", required_argument, NULL, 's' },
7551 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7552 { "host", required_argument, NULL, 'H' },
7553 { "machine", required_argument, NULL, 'M' },
7554 { "runtime", no_argument, NULL, ARG_RUNTIME },
7555 { "lines", required_argument, NULL, 'n' },
7556 { "output", required_argument, NULL, 'o' },
7557 { "plain", no_argument, NULL, ARG_PLAIN },
7558 { "state", required_argument, NULL, ARG_STATE },
7559 { "recursive", no_argument, NULL, 'r' },
7560 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7561 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7562 { "now", no_argument, NULL, ARG_NOW },
7563 { "message", required_argument, NULL, ARG_MESSAGE },
7564 {}
7565 };
7566
7567 const char *p;
7568 int c, r;
7569
7570 assert(argc >= 0);
7571 assert(argv);
7572
7573 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7574 arg_ask_password = true;
7575
7576 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
7577
7578 switch (c) {
7579
7580 case 'h':
7581 return systemctl_help();
7582
7583 case ARG_VERSION:
7584 return version();
7585
7586 case 't': {
7587 if (isempty(optarg))
7588 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7589 "--type= requires arguments.");
7590
7591 for (p = optarg;;) {
7592 _cleanup_free_ char *type = NULL;
7593
7594 r = extract_first_word(&p, &type, ",", 0);
7595 if (r < 0)
7596 return log_error_errno(r, "Failed to parse type: %s", optarg);
7597 if (r == 0)
7598 break;
7599
7600 if (streq(type, "help")) {
7601 help_types();
7602 return 0;
7603 }
7604
7605 if (unit_type_from_string(type) >= 0) {
7606 if (strv_push(&arg_types, type) < 0)
7607 return log_oom();
7608 type = NULL;
7609 continue;
7610 }
7611
7612 /* It's much nicer to use --state= for
7613 * load states, but let's support this
7614 * in --types= too for compatibility
7615 * with old versions */
7616 if (unit_load_state_from_string(type) >= 0) {
7617 if (strv_push(&arg_states, type) < 0)
7618 return log_oom();
7619 type = NULL;
7620 continue;
7621 }
7622
7623 log_error("Unknown unit type or load state '%s'.", type);
7624 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
7625 "Use -t help to see a list of allowed values.");
7626 }
7627
7628 break;
7629 }
7630
7631 case 'p': {
7632 /* Make sure that if the empty property list
7633 was specified, we won't show any properties. */
7634 if (isempty(optarg) && !arg_properties) {
7635 arg_properties = new0(char*, 1);
7636 if (!arg_properties)
7637 return log_oom();
7638 } else
7639 for (p = optarg;;) {
7640 _cleanup_free_ char *prop = NULL;
7641
7642 r = extract_first_word(&p, &prop, ",", 0);
7643 if (r < 0)
7644 return log_error_errno(r, "Failed to parse property: %s", optarg);
7645 if (r == 0)
7646 break;
7647
7648 if (strv_push(&arg_properties, prop) < 0)
7649 return log_oom();
7650
7651 prop = NULL;
7652 }
7653
7654 /* If the user asked for a particular
7655 * property, show it to him, even if it is
7656 * empty. */
7657 arg_all = true;
7658
7659 break;
7660 }
7661
7662 case 'a':
7663 arg_all = true;
7664 break;
7665
7666 case ARG_REVERSE:
7667 arg_dependency = DEPENDENCY_REVERSE;
7668 break;
7669
7670 case ARG_AFTER:
7671 arg_dependency = DEPENDENCY_AFTER;
7672 arg_jobs_after = true;
7673 break;
7674
7675 case ARG_BEFORE:
7676 arg_dependency = DEPENDENCY_BEFORE;
7677 arg_jobs_before = true;
7678 break;
7679
7680 case ARG_SHOW_TYPES:
7681 arg_show_types = true;
7682 break;
7683
7684 case ARG_VALUE:
7685 arg_value = true;
7686 break;
7687
7688 case ARG_JOB_MODE:
7689 arg_job_mode = optarg;
7690 break;
7691
7692 case ARG_FAIL:
7693 arg_job_mode = "fail";
7694 break;
7695
7696 case ARG_IRREVERSIBLE:
7697 arg_job_mode = "replace-irreversibly";
7698 break;
7699
7700 case ARG_IGNORE_DEPENDENCIES:
7701 arg_job_mode = "ignore-dependencies";
7702 break;
7703
7704 case ARG_USER:
7705 arg_scope = UNIT_FILE_USER;
7706 break;
7707
7708 case ARG_SYSTEM:
7709 arg_scope = UNIT_FILE_SYSTEM;
7710 break;
7711
7712 case ARG_GLOBAL:
7713 arg_scope = UNIT_FILE_GLOBAL;
7714 break;
7715
7716 case ARG_WAIT:
7717 arg_wait = true;
7718 break;
7719
7720 case ARG_NO_BLOCK:
7721 arg_no_block = true;
7722 break;
7723
7724 case ARG_NO_LEGEND:
7725 arg_no_legend = true;
7726 break;
7727
7728 case ARG_NO_PAGER:
7729 arg_pager_flags |= PAGER_DISABLE;
7730 break;
7731
7732 case ARG_NO_WALL:
7733 arg_no_wall = true;
7734 break;
7735
7736 case ARG_ROOT:
7737 r = parse_path_argument_and_warn(optarg, false, &arg_root);
7738 if (r < 0)
7739 return r;
7740 break;
7741
7742 case 'l':
7743 arg_full = true;
7744 break;
7745
7746 case ARG_FAILED:
7747 if (strv_extend(&arg_states, "failed") < 0)
7748 return log_oom();
7749
7750 break;
7751
7752 case ARG_DRY_RUN:
7753 arg_dry_run = true;
7754 break;
7755
7756 case 'q':
7757 arg_quiet = true;
7758 break;
7759
7760 case 'f':
7761 arg_force++;
7762 break;
7763
7764 case ARG_NO_RELOAD:
7765 arg_no_reload = true;
7766 break;
7767
7768 case ARG_KILL_WHO:
7769 arg_kill_who = optarg;
7770 break;
7771
7772 case 's':
7773 if (streq(optarg, "help")) {
7774 DUMP_STRING_TABLE(signal, int, _NSIG);
7775 return 0;
7776 }
7777
7778 arg_signal = signal_from_string(optarg);
7779 if (arg_signal < 0)
7780 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7781 "Failed to parse signal string %s.",
7782 optarg);
7783 break;
7784
7785 case ARG_NO_ASK_PASSWORD:
7786 arg_ask_password = false;
7787 break;
7788
7789 case 'H':
7790 arg_transport = BUS_TRANSPORT_REMOTE;
7791 arg_host = optarg;
7792 break;
7793
7794 case 'M':
7795 arg_transport = BUS_TRANSPORT_MACHINE;
7796 arg_host = optarg;
7797 break;
7798
7799 case ARG_RUNTIME:
7800 arg_runtime = true;
7801 break;
7802
7803 case 'n':
7804 if (safe_atou(optarg, &arg_lines) < 0)
7805 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7806 "Failed to parse lines '%s'",
7807 optarg);
7808 break;
7809
7810 case 'o':
7811 if (streq(optarg, "help")) {
7812 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
7813 return 0;
7814 }
7815
7816 arg_output = output_mode_from_string(optarg);
7817 if (arg_output < 0)
7818 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7819 "Unknown output '%s'.",
7820 optarg);
7821 break;
7822
7823 case 'i':
7824 arg_ignore_inhibitors = true;
7825 break;
7826
7827 case ARG_PLAIN:
7828 arg_plain = true;
7829 break;
7830
7831 case ARG_FIRMWARE_SETUP:
7832 arg_firmware_setup = true;
7833 break;
7834
7835 case ARG_STATE: {
7836 if (isempty(optarg))
7837 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7838 "--state= requires arguments.");
7839
7840 for (p = optarg;;) {
7841 _cleanup_free_ char *s = NULL;
7842
7843 r = extract_first_word(&p, &s, ",", 0);
7844 if (r < 0)
7845 return log_error_errno(r, "Failed to parse state: %s", optarg);
7846 if (r == 0)
7847 break;
7848
7849 if (streq(s, "help")) {
7850 help_states();
7851 return 0;
7852 }
7853
7854 if (strv_push(&arg_states, s) < 0)
7855 return log_oom();
7856
7857 s = NULL;
7858 }
7859 break;
7860 }
7861
7862 case 'r':
7863 if (geteuid() != 0)
7864 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
7865 "--recursive requires root privileges.");
7866
7867 arg_recursive = true;
7868 break;
7869
7870 case ARG_PRESET_MODE:
7871 if (streq(optarg, "help")) {
7872 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
7873 return 0;
7874 }
7875
7876 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
7877 if (arg_preset_mode < 0)
7878 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7879 "Failed to parse preset mode: %s.", optarg);
7880
7881 break;
7882
7883 case ARG_NOW:
7884 arg_now = true;
7885 break;
7886
7887 case ARG_MESSAGE:
7888 if (strv_extend(&arg_wall, optarg) < 0)
7889 return log_oom();
7890 break;
7891
7892 case '?':
7893 return -EINVAL;
7894
7895 default:
7896 assert_not_reached("Unhandled option");
7897 }
7898
7899 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
7900 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7901 "Cannot access user instance remotely.");
7902
7903 if (arg_wait && arg_no_block)
7904 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7905 "--wait may not be combined with --no-block.");
7906
7907 if (arg_runtime && STRPTR_IN_SET(argv[optind], "disable", "unmask", "preset", "preset-all"))
7908 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7909 "--runtime cannot be used with %s",
7910 argv[optind]);
7911
7912 return 1;
7913 }
7914
7915 static int halt_parse_argv(int argc, char *argv[]) {
7916 enum {
7917 ARG_HELP = 0x100,
7918 ARG_HALT,
7919 ARG_REBOOT,
7920 ARG_NO_WALL
7921 };
7922
7923 static const struct option options[] = {
7924 { "help", no_argument, NULL, ARG_HELP },
7925 { "halt", no_argument, NULL, ARG_HALT },
7926 { "poweroff", no_argument, NULL, 'p' },
7927 { "reboot", no_argument, NULL, ARG_REBOOT },
7928 { "force", no_argument, NULL, 'f' },
7929 { "wtmp-only", no_argument, NULL, 'w' },
7930 { "no-wtmp", no_argument, NULL, 'd' },
7931 { "no-sync", no_argument, NULL, 'n' },
7932 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7933 {}
7934 };
7935
7936 int c, r, runlevel;
7937
7938 assert(argc >= 0);
7939 assert(argv);
7940
7941 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
7942 if (IN_SET(runlevel, '0', '6'))
7943 arg_force = 2;
7944
7945 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
7946 switch (c) {
7947
7948 case ARG_HELP:
7949 return halt_help();
7950
7951 case ARG_HALT:
7952 arg_action = ACTION_HALT;
7953 break;
7954
7955 case 'p':
7956 if (arg_action != ACTION_REBOOT)
7957 arg_action = ACTION_POWEROFF;
7958 break;
7959
7960 case ARG_REBOOT:
7961 arg_action = ACTION_REBOOT;
7962 break;
7963
7964 case 'f':
7965 arg_force = 2;
7966 break;
7967
7968 case 'w':
7969 arg_dry_run = true;
7970 break;
7971
7972 case 'd':
7973 arg_no_wtmp = true;
7974 break;
7975
7976 case 'n':
7977 arg_no_sync = true;
7978 break;
7979
7980 case ARG_NO_WALL:
7981 arg_no_wall = true;
7982 break;
7983
7984 case 'i':
7985 case 'h':
7986 /* Compatibility nops */
7987 break;
7988
7989 case '?':
7990 return -EINVAL;
7991
7992 default:
7993 assert_not_reached("Unhandled option");
7994 }
7995
7996 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
7997 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
7998 if (r < 0)
7999 return r;
8000 } else if (optind < argc)
8001 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8002 "Too many arguments.");
8003
8004 return 1;
8005 }
8006
8007 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
8008 assert(t);
8009 assert(_u);
8010
8011 if (streq(t, "now"))
8012 *_u = 0;
8013 else if (!strchr(t, ':')) {
8014 uint64_t u;
8015
8016 if (safe_atou64(t, &u) < 0)
8017 return -EINVAL;
8018
8019 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
8020 } else {
8021 char *e = NULL;
8022 long hour, minute;
8023 struct tm tm = {};
8024 time_t s;
8025 usec_t n;
8026
8027 errno = 0;
8028 hour = strtol(t, &e, 10);
8029 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
8030 return -EINVAL;
8031
8032 minute = strtol(e+1, &e, 10);
8033 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
8034 return -EINVAL;
8035
8036 n = now(CLOCK_REALTIME);
8037 s = (time_t) (n / USEC_PER_SEC);
8038
8039 assert_se(localtime_r(&s, &tm));
8040
8041 tm.tm_hour = (int) hour;
8042 tm.tm_min = (int) minute;
8043 tm.tm_sec = 0;
8044
8045 s = mktime(&tm);
8046 assert(s >= 0);
8047
8048 *_u = (usec_t) s * USEC_PER_SEC;
8049
8050 while (*_u <= n)
8051 *_u += USEC_PER_DAY;
8052 }
8053
8054 return 0;
8055 }
8056
8057 static int shutdown_parse_argv(int argc, char *argv[]) {
8058 enum {
8059 ARG_HELP = 0x100,
8060 ARG_NO_WALL
8061 };
8062
8063 static const struct option options[] = {
8064 { "help", no_argument, NULL, ARG_HELP },
8065 { "halt", no_argument, NULL, 'H' },
8066 { "poweroff", no_argument, NULL, 'P' },
8067 { "reboot", no_argument, NULL, 'r' },
8068 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8069 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8070 {}
8071 };
8072
8073 char **wall = NULL;
8074 int c, r;
8075
8076 assert(argc >= 0);
8077 assert(argv);
8078
8079 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8080 switch (c) {
8081
8082 case ARG_HELP:
8083 return shutdown_help();
8084
8085 case 'H':
8086 arg_action = ACTION_HALT;
8087 break;
8088
8089 case 'P':
8090 arg_action = ACTION_POWEROFF;
8091 break;
8092
8093 case 'r':
8094 if (kexec_loaded())
8095 arg_action = ACTION_KEXEC;
8096 else
8097 arg_action = ACTION_REBOOT;
8098 break;
8099
8100 case 'K':
8101 arg_action = ACTION_KEXEC;
8102 break;
8103
8104 case 'h':
8105 if (arg_action != ACTION_HALT)
8106 arg_action = ACTION_POWEROFF;
8107 break;
8108
8109 case 'k':
8110 arg_dry_run = true;
8111 break;
8112
8113 case ARG_NO_WALL:
8114 arg_no_wall = true;
8115 break;
8116
8117 case 'a':
8118 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8119 case 'f':
8120 case 'F':
8121 /* Compatibility nops */
8122 break;
8123
8124 case 'c':
8125 arg_action = ACTION_CANCEL_SHUTDOWN;
8126 break;
8127
8128 case '?':
8129 return -EINVAL;
8130
8131 default:
8132 assert_not_reached("Unhandled option");
8133 }
8134
8135 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8136 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8137 if (r < 0) {
8138 log_error("Failed to parse time specification: %s", argv[optind]);
8139 return r;
8140 }
8141 } else
8142 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8143
8144 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8145 /* No time argument for shutdown cancel */
8146 wall = argv + optind;
8147 else if (argc > optind + 1)
8148 /* We skip the time argument */
8149 wall = argv + optind + 1;
8150
8151 if (wall) {
8152 arg_wall = strv_copy(wall);
8153 if (!arg_wall)
8154 return log_oom();
8155 }
8156
8157 optind = argc;
8158
8159 return 1;
8160 }
8161
8162 static int telinit_parse_argv(int argc, char *argv[]) {
8163 enum {
8164 ARG_HELP = 0x100,
8165 ARG_NO_WALL
8166 };
8167
8168 static const struct option options[] = {
8169 { "help", no_argument, NULL, ARG_HELP },
8170 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8171 {}
8172 };
8173
8174 static const struct {
8175 char from;
8176 enum action to;
8177 } table[] = {
8178 { '0', ACTION_POWEROFF },
8179 { '6', ACTION_REBOOT },
8180 { '1', ACTION_RESCUE },
8181 { '2', ACTION_RUNLEVEL2 },
8182 { '3', ACTION_RUNLEVEL3 },
8183 { '4', ACTION_RUNLEVEL4 },
8184 { '5', ACTION_RUNLEVEL5 },
8185 { 's', ACTION_RESCUE },
8186 { 'S', ACTION_RESCUE },
8187 { 'q', ACTION_RELOAD },
8188 { 'Q', ACTION_RELOAD },
8189 { 'u', ACTION_REEXEC },
8190 { 'U', ACTION_REEXEC }
8191 };
8192
8193 unsigned i;
8194 int c;
8195
8196 assert(argc >= 0);
8197 assert(argv);
8198
8199 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8200 switch (c) {
8201
8202 case ARG_HELP:
8203 return telinit_help();
8204
8205 case ARG_NO_WALL:
8206 arg_no_wall = true;
8207 break;
8208
8209 case '?':
8210 return -EINVAL;
8211
8212 default:
8213 assert_not_reached("Unhandled option");
8214 }
8215
8216 if (optind >= argc)
8217 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8218 "%s: required argument missing.",
8219 program_invocation_short_name);
8220
8221 if (optind + 1 < argc)
8222 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8223 "Too many arguments.");
8224
8225 if (strlen(argv[optind]) != 1)
8226 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8227 "Expected single character argument.");
8228
8229 for (i = 0; i < ELEMENTSOF(table); i++)
8230 if (table[i].from == argv[optind][0])
8231 break;
8232
8233 if (i >= ELEMENTSOF(table))
8234 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8235 "Unknown command '%s'.", argv[optind]);
8236
8237 arg_action = table[i].to;
8238
8239 optind++;
8240
8241 return 1;
8242 }
8243
8244 static int runlevel_parse_argv(int argc, char *argv[]) {
8245 enum {
8246 ARG_HELP = 0x100,
8247 };
8248
8249 static const struct option options[] = {
8250 { "help", no_argument, NULL, ARG_HELP },
8251 {}
8252 };
8253
8254 int c;
8255
8256 assert(argc >= 0);
8257 assert(argv);
8258
8259 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8260 switch (c) {
8261
8262 case ARG_HELP:
8263 return runlevel_help();
8264
8265 case '?':
8266 return -EINVAL;
8267
8268 default:
8269 assert_not_reached("Unhandled option");
8270 }
8271
8272 if (optind < argc)
8273 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8274 "Too many arguments.");
8275
8276 return 1;
8277 }
8278
8279 static int parse_argv(int argc, char *argv[]) {
8280 assert(argc >= 0);
8281 assert(argv);
8282
8283 if (program_invocation_short_name) {
8284
8285 if (strstr(program_invocation_short_name, "halt")) {
8286 arg_action = ACTION_HALT;
8287 return halt_parse_argv(argc, argv);
8288
8289 } else if (strstr(program_invocation_short_name, "poweroff")) {
8290 arg_action = ACTION_POWEROFF;
8291 return halt_parse_argv(argc, argv);
8292
8293 } else if (strstr(program_invocation_short_name, "reboot")) {
8294 if (kexec_loaded())
8295 arg_action = ACTION_KEXEC;
8296 else
8297 arg_action = ACTION_REBOOT;
8298 return halt_parse_argv(argc, argv);
8299
8300 } else if (strstr(program_invocation_short_name, "shutdown")) {
8301 arg_action = ACTION_POWEROFF;
8302 return shutdown_parse_argv(argc, argv);
8303
8304 } else if (strstr(program_invocation_short_name, "init")) {
8305
8306 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8307 * 1 on SysV.
8308 *
8309 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8310 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8311 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8312 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8313 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8314 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8315 * quick way to match both.
8316 *
8317 * Also see redirect_telinit() in src/core/main.c. */
8318
8319 if (sd_booted() > 0) {
8320 arg_action = _ACTION_INVALID;
8321 return telinit_parse_argv(argc, argv);
8322 } else {
8323 /* Hmm, so some other init system is running, we need to forward this request to
8324 * it. For now we simply guess that it is Upstart. */
8325
8326 execv(TELINIT, argv);
8327
8328 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8329 "Couldn't find an alternative telinit implementation to spawn.");
8330 }
8331
8332 } else if (strstr(program_invocation_short_name, "runlevel")) {
8333 arg_action = ACTION_RUNLEVEL;
8334 return runlevel_parse_argv(argc, argv);
8335 }
8336 }
8337
8338 arg_action = ACTION_SYSTEMCTL;
8339 return systemctl_parse_argv(argc, argv);
8340 }
8341
8342 #if HAVE_SYSV_COMPAT
8343 _pure_ static int action_to_runlevel(void) {
8344 static const char table[_ACTION_MAX] = {
8345 [ACTION_HALT] = '0',
8346 [ACTION_POWEROFF] = '0',
8347 [ACTION_REBOOT] = '6',
8348 [ACTION_RUNLEVEL2] = '2',
8349 [ACTION_RUNLEVEL3] = '3',
8350 [ACTION_RUNLEVEL4] = '4',
8351 [ACTION_RUNLEVEL5] = '5',
8352 [ACTION_RESCUE] = '1'
8353 };
8354
8355 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8356
8357 return table[arg_action];
8358 }
8359 #endif
8360
8361 static int talk_initctl(void) {
8362 #if HAVE_SYSV_COMPAT
8363 struct init_request request = {
8364 .magic = INIT_MAGIC,
8365 .sleeptime = 0,
8366 .cmd = INIT_CMD_RUNLVL
8367 };
8368
8369 _cleanup_close_ int fd = -1;
8370 char rl;
8371 int r;
8372 const char *p;
8373
8374 rl = action_to_runlevel();
8375 if (!rl)
8376 return 0;
8377
8378 request.runlevel = rl;
8379
8380 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8381 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8382 if (fd >= 0 || errno != ENOENT)
8383 break;
8384 }
8385 if (fd < 0) {
8386 if (errno == ENOENT)
8387 return 0;
8388
8389 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8390 }
8391
8392 r = loop_write(fd, &request, sizeof(request), false);
8393 if (r < 0)
8394 return log_error_errno(r, "Failed to write to %s: %m", p);
8395
8396 return 1;
8397 #else
8398 return 0;
8399 #endif
8400 }
8401
8402 static int systemctl_main(int argc, char *argv[]) {
8403 static const Verb verbs[] = {
8404 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8405 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8406 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8407 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8408 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8409 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8410 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8411 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8412 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8413 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8414 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8415 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8416 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8417 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8418 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8419 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8420 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8421 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8422 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8423 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8424 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8425 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8426 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8427 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8428 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8429 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8430 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8431 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8432 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8433 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8434 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8435 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8436 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8437 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8438 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8439 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8440 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8441 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8442 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8443 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8444 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8445 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8446 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8447 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8448 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8449 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8450 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8451 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8452 { "enable", 2, VERB_ANY, 0, enable_unit },
8453 { "disable", 2, VERB_ANY, 0, enable_unit },
8454 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8455 { "reenable", 2, VERB_ANY, 0, enable_unit },
8456 { "preset", 2, VERB_ANY, 0, enable_unit },
8457 { "preset-all", VERB_ANY, 1, 0, preset_all },
8458 { "mask", 2, VERB_ANY, 0, enable_unit },
8459 { "unmask", 2, VERB_ANY, 0, enable_unit },
8460 { "link", 2, VERB_ANY, 0, enable_unit },
8461 { "revert", 2, VERB_ANY, 0, enable_unit },
8462 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8463 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8464 { "set-default", 2, 2, 0, set_default },
8465 { "get-default", VERB_ANY, 1, 0, get_default },
8466 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8467 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8468 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8469 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8470 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8471 {}
8472 };
8473
8474 return dispatch_verb(argc, argv, verbs, NULL);
8475 }
8476
8477 static int reload_with_fallback(void) {
8478 /* First, try systemd via D-Bus. */
8479 if (daemon_reload(0, NULL, NULL) >= 0)
8480 return 0;
8481
8482 /* Nothing else worked, so let's try signals */
8483 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8484
8485 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8486 return log_error_errno(errno, "kill() failed: %m");
8487
8488 return 0;
8489 }
8490
8491 static int start_with_fallback(void) {
8492 /* First, try systemd via D-Bus. */
8493 if (start_unit(0, NULL, NULL) >= 0)
8494 return 0;
8495
8496 /* Nothing else worked, so let's try /dev/initctl */
8497 if (talk_initctl() > 0)
8498 return 0;
8499
8500 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8501 "Failed to talk to init daemon.");
8502 }
8503
8504 static int halt_now(enum action a) {
8505 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8506 * synced explicitly in advance. */
8507 if (!arg_no_sync && !arg_dry_run)
8508 (void) sync();
8509
8510 /* Make sure C-A-D is handled by the kernel from this point on... */
8511 if (!arg_dry_run)
8512 (void) reboot(RB_ENABLE_CAD);
8513
8514 switch (a) {
8515
8516 case ACTION_HALT:
8517 if (!arg_quiet)
8518 log_info("Halting.");
8519 if (arg_dry_run)
8520 return 0;
8521 (void) reboot(RB_HALT_SYSTEM);
8522 return -errno;
8523
8524 case ACTION_POWEROFF:
8525 if (!arg_quiet)
8526 log_info("Powering off.");
8527 if (arg_dry_run)
8528 return 0;
8529 (void) reboot(RB_POWER_OFF);
8530 return -errno;
8531
8532 case ACTION_KEXEC:
8533 case ACTION_REBOOT:
8534 return reboot_with_parameter(REBOOT_FALLBACK |
8535 (arg_quiet ? 0 : REBOOT_LOG) |
8536 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8537
8538 default:
8539 assert_not_reached("Unknown action.");
8540 }
8541 }
8542
8543 static int logind_schedule_shutdown(void) {
8544
8545 #if ENABLE_LOGIND
8546 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8547 char date[FORMAT_TIMESTAMP_MAX];
8548 const char *action;
8549 sd_bus *bus;
8550 int r;
8551
8552 r = acquire_bus(BUS_FULL, &bus);
8553 if (r < 0)
8554 return r;
8555
8556 switch (arg_action) {
8557 case ACTION_HALT:
8558 action = "halt";
8559 break;
8560 case ACTION_POWEROFF:
8561 action = "poweroff";
8562 break;
8563 case ACTION_KEXEC:
8564 action = "kexec";
8565 break;
8566 case ACTION_EXIT:
8567 action = "exit";
8568 break;
8569 case ACTION_REBOOT:
8570 default:
8571 action = "reboot";
8572 break;
8573 }
8574
8575 if (arg_dry_run)
8576 action = strjoina("dry-", action);
8577
8578 (void) logind_set_wall_message();
8579
8580 r = sd_bus_call_method(
8581 bus,
8582 "org.freedesktop.login1",
8583 "/org/freedesktop/login1",
8584 "org.freedesktop.login1.Manager",
8585 "ScheduleShutdown",
8586 &error,
8587 NULL,
8588 "st",
8589 action,
8590 arg_when);
8591 if (r < 0)
8592 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8593
8594 if (!arg_quiet)
8595 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8596 return 0;
8597 #else
8598 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8599 return -ENOSYS;
8600 #endif
8601 }
8602
8603 static int halt_main(void) {
8604 int r;
8605
8606 r = logind_check_inhibitors(arg_action);
8607 if (r < 0)
8608 return r;
8609
8610 /* Delayed shutdown requested, and was successful */
8611 if (arg_when > 0 && logind_schedule_shutdown() == 0)
8612 return 0;
8613 /* no delay, or logind failed or is not at all available */
8614
8615 if (geteuid() != 0) {
8616 if (arg_dry_run || arg_force > 0) {
8617 (void) must_be_root();
8618 return -EPERM;
8619 }
8620
8621 /* Try logind if we are a normal user and no special
8622 * mode applies. Maybe polkit allows us to shutdown
8623 * the machine. */
8624 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
8625 r = logind_reboot(arg_action);
8626 if (r >= 0)
8627 return r;
8628 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
8629 /* requested operation is not
8630 * supported on the local system or
8631 * already in progress */
8632 return r;
8633 /* on all other errors, try low-level operation */
8634 }
8635 }
8636
8637 /* In order to minimize the difference between operation with and
8638 * without logind, we explicitly enable non-blocking mode for this,
8639 * as logind's shutdown operations are always non-blocking. */
8640 arg_no_block = true;
8641
8642 if (!arg_dry_run && !arg_force)
8643 return start_with_fallback();
8644
8645 assert(geteuid() == 0);
8646
8647 if (!arg_no_wtmp) {
8648 if (sd_booted() > 0)
8649 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
8650 else {
8651 r = utmp_put_shutdown();
8652 if (r < 0)
8653 log_warning_errno(r, "Failed to write utmp record: %m");
8654 }
8655 }
8656
8657 if (arg_dry_run)
8658 return 0;
8659
8660 r = halt_now(arg_action);
8661 return log_error_errno(r, "Failed to reboot: %m");
8662 }
8663
8664 static int runlevel_main(void) {
8665 int r, runlevel, previous;
8666
8667 r = utmp_get_runlevel(&runlevel, &previous);
8668 if (r < 0) {
8669 puts("unknown");
8670 return r;
8671 }
8672
8673 printf("%c %c\n",
8674 previous <= 0 ? 'N' : previous,
8675 runlevel <= 0 ? 'N' : runlevel);
8676
8677 return 0;
8678 }
8679
8680 static int logind_cancel_shutdown(void) {
8681 #if ENABLE_LOGIND
8682 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8683 sd_bus *bus;
8684 int r;
8685
8686 r = acquire_bus(BUS_FULL, &bus);
8687 if (r < 0)
8688 return r;
8689
8690 (void) logind_set_wall_message();
8691
8692 r = sd_bus_call_method(
8693 bus,
8694 "org.freedesktop.login1",
8695 "/org/freedesktop/login1",
8696 "org.freedesktop.login1.Manager",
8697 "CancelScheduledShutdown",
8698 &error,
8699 NULL, NULL);
8700 if (r < 0)
8701 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
8702
8703 return 0;
8704 #else
8705 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
8706 return -ENOSYS;
8707 #endif
8708 }
8709
8710 static int run(int argc, char *argv[]) {
8711 int r;
8712
8713 argv_cmdline = argv[0];
8714
8715 setlocale(LC_ALL, "");
8716 log_parse_environment();
8717 log_open();
8718
8719 /* The journal merging logic potentially needs a lot of fds. */
8720 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
8721
8722 sigbus_install();
8723
8724 /* Explicitly not on_tty() to avoid setting cached value.
8725 * This becomes relevant for piping output which might be
8726 * ellipsized. */
8727 original_stdout_is_tty = isatty(STDOUT_FILENO);
8728
8729 r = parse_argv(argc, argv);
8730 if (r <= 0)
8731 goto finish;
8732
8733 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
8734 if (!arg_quiet)
8735 log_info("Running in chroot, ignoring request.");
8736 r = 0;
8737 goto finish;
8738 }
8739
8740 /* systemctl_main() will print an error message for the bus
8741 * connection, but only if it needs to */
8742
8743 switch (arg_action) {
8744
8745 case ACTION_SYSTEMCTL:
8746 r = systemctl_main(argc, argv);
8747 break;
8748
8749 /* Legacy command aliases set arg_action. They provide some fallbacks,
8750 * e.g. to tell sysvinit to reboot after you have installed systemd
8751 * binaries. */
8752
8753 case ACTION_HALT:
8754 case ACTION_POWEROFF:
8755 case ACTION_REBOOT:
8756 case ACTION_KEXEC:
8757 r = halt_main();
8758 break;
8759
8760 case ACTION_RUNLEVEL2:
8761 case ACTION_RUNLEVEL3:
8762 case ACTION_RUNLEVEL4:
8763 case ACTION_RUNLEVEL5:
8764 case ACTION_RESCUE:
8765 r = start_with_fallback();
8766 break;
8767
8768 case ACTION_RELOAD:
8769 case ACTION_REEXEC:
8770 r = reload_with_fallback();
8771 break;
8772
8773 case ACTION_CANCEL_SHUTDOWN:
8774 r = logind_cancel_shutdown();
8775 break;
8776
8777 case ACTION_RUNLEVEL:
8778 r = runlevel_main();
8779 break;
8780
8781 case ACTION_EXIT:
8782 case ACTION_SUSPEND:
8783 case ACTION_HIBERNATE:
8784 case ACTION_HYBRID_SLEEP:
8785 case ACTION_SUSPEND_THEN_HIBERNATE:
8786 case ACTION_EMERGENCY:
8787 case ACTION_DEFAULT:
8788 /* systemctl verbs with no equivalent in the legacy commands.
8789 * These cannot appear in arg_action. Fall through. */
8790
8791 case _ACTION_INVALID:
8792 default:
8793 assert_not_reached("Unknown action");
8794 }
8795
8796 finish:
8797 release_busses();
8798
8799 strv_free(arg_types);
8800 strv_free(arg_states);
8801 strv_free(arg_properties);
8802
8803 strv_free(arg_wall);
8804 free(arg_root);
8805 free(arg_esp_path);
8806
8807 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
8808 return r;
8809 }
8810
8811 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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