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[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/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_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3094 _cleanup_strv_free_ char **names = NULL;
3095 int r, ret = EXIT_SUCCESS;
3096 sd_bus *bus;
3097 char **name;
3098
3099 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3100 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3101 return -EINVAL;
3102 }
3103
3104 /* we cannot do sender tracking on the private bus, so we need the full
3105 * one for RefUnit to implement --wait */
3106 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3107 if (r < 0)
3108 return r;
3109
3110 ask_password_agent_open_if_enabled();
3111 polkit_agent_open_maybe();
3112
3113 if (arg_action == ACTION_SYSTEMCTL) {
3114 enum action action;
3115
3116 action = verb_to_action(argv[0]);
3117
3118 if (action != _ACTION_INVALID) {
3119 method = "StartUnit";
3120 mode = action_table[action].mode;
3121 one_name = action_table[action].target;
3122 } else {
3123 if (streq(argv[0], "isolate")) {
3124 method = "StartUnit";
3125 mode = "isolate";
3126
3127 suffix = ".target";
3128 } else {
3129 method = verb_to_method(argv[0]);
3130 mode = arg_job_mode;
3131 }
3132 one_name = NULL;
3133 }
3134 } else {
3135 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3136 assert(action_table[arg_action].target);
3137 assert(action_table[arg_action].mode);
3138
3139 method = "StartUnit";
3140 mode = action_table[arg_action].mode;
3141 one_name = action_table[arg_action].target;
3142 }
3143
3144 if (one_name) {
3145 names = strv_new(one_name);
3146 if (!names)
3147 return log_oom();
3148 } else {
3149 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3150 if (r < 0)
3151 return log_error_errno(r, "Failed to expand names: %m");
3152 }
3153
3154 if (!arg_no_block) {
3155 r = bus_wait_for_jobs_new(bus, &w);
3156 if (r < 0)
3157 return log_error_errno(r, "Could not watch jobs: %m");
3158 }
3159
3160 if (arg_wait) {
3161 wait_context.unit_paths = set_new(&string_hash_ops);
3162 if (!wait_context.unit_paths)
3163 return log_oom();
3164
3165 r = sd_bus_call_method_async(
3166 bus,
3167 NULL,
3168 "org.freedesktop.systemd1",
3169 "/org/freedesktop/systemd1",
3170 "org.freedesktop.systemd1.Manager",
3171 "Subscribe",
3172 NULL, NULL,
3173 NULL);
3174 if (r < 0)
3175 return log_error_errno(r, "Failed to enable subscription: %m");
3176 r = sd_event_default(&wait_context.event);
3177 if (r < 0)
3178 return log_error_errno(r, "Failed to allocate event loop: %m");
3179 r = sd_bus_attach_event(bus, wait_context.event, 0);
3180 if (r < 0)
3181 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3182 }
3183
3184 STRV_FOREACH(name, names) {
3185 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3186
3187 r = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3188 if (ret == EXIT_SUCCESS && r < 0)
3189 ret = translate_bus_error_to_exit_status(r, &error);
3190
3191 if (r >= 0 && streq(method, "StopUnit")) {
3192 r = strv_push(&stopped_units, *name);
3193 if (r < 0)
3194 return log_oom();
3195 }
3196 }
3197
3198 if (!arg_no_block) {
3199 const char* extra_args[4] = {};
3200 int arg_count = 0;
3201
3202 if (arg_scope != UNIT_FILE_SYSTEM)
3203 extra_args[arg_count++] = "--user";
3204
3205 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3206 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3207 extra_args[arg_count++] = "-H";
3208 extra_args[arg_count++] = arg_host;
3209 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3210 extra_args[arg_count++] = "-M";
3211 extra_args[arg_count++] = arg_host;
3212 }
3213
3214 r = bus_wait_for_jobs(w, arg_quiet, extra_args);
3215 if (r < 0)
3216 return r;
3217
3218 /* When stopping units, warn if they can still be triggered by
3219 * another active unit (socket, path, timer) */
3220 if (!arg_quiet)
3221 STRV_FOREACH(name, stopped_units)
3222 (void) check_triggering_units(bus, *name);
3223 }
3224
3225 if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) {
3226 r = sd_event_loop(wait_context.event);
3227 if (r < 0)
3228 return log_error_errno(r, "Failed to run event loop: %m");
3229 if (wait_context.any_failed)
3230 ret = EXIT_FAILURE;
3231 }
3232
3233 return ret;
3234 }
3235
3236 #if ENABLE_LOGIND
3237 static int logind_set_wall_message(void) {
3238 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3239 sd_bus *bus;
3240 _cleanup_free_ char *m = NULL;
3241 int r;
3242
3243 r = acquire_bus(BUS_FULL, &bus);
3244 if (r < 0)
3245 return r;
3246
3247 m = strv_join(arg_wall, " ");
3248 if (!m)
3249 return log_oom();
3250
3251 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3252 if (arg_dry_run)
3253 return 0;
3254
3255 r = sd_bus_call_method(
3256 bus,
3257 "org.freedesktop.login1",
3258 "/org/freedesktop/login1",
3259 "org.freedesktop.login1.Manager",
3260 "SetWallMessage",
3261 &error,
3262 NULL,
3263 "sb",
3264 m,
3265 !arg_no_wall);
3266
3267 if (r < 0)
3268 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3269 return 0;
3270 }
3271 #endif
3272
3273 /* Ask systemd-logind, which might grant access to unprivileged users
3274 * through polkit */
3275 static int logind_reboot(enum action a) {
3276 #if ENABLE_LOGIND
3277 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3278 const char *method, *description;
3279 sd_bus *bus;
3280 int r;
3281
3282 r = acquire_bus(BUS_FULL, &bus);
3283 if (r < 0)
3284 return r;
3285
3286 switch (a) {
3287
3288 case ACTION_POWEROFF:
3289 method = "PowerOff";
3290 description = "power off system";
3291 break;
3292
3293 case ACTION_REBOOT:
3294 method = "Reboot";
3295 description = "reboot system";
3296 break;
3297
3298 case ACTION_HALT:
3299 method = "Halt";
3300 description = "halt system";
3301 break;
3302
3303 case ACTION_SUSPEND:
3304 method = "Suspend";
3305 description = "suspend system";
3306 break;
3307
3308 case ACTION_HIBERNATE:
3309 method = "Hibernate";
3310 description = "hibernate system";
3311 break;
3312
3313 case ACTION_HYBRID_SLEEP:
3314 method = "HybridSleep";
3315 description = "put system into hybrid sleep";
3316 break;
3317
3318 case ACTION_SUSPEND_THEN_HIBERNATE:
3319 method = "SuspendThenHibernate";
3320 description = "put system into suspend followed by hibernate";
3321 break;
3322
3323 default:
3324 return -EINVAL;
3325 }
3326
3327 polkit_agent_open_maybe();
3328 (void) logind_set_wall_message();
3329
3330 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3331 if (arg_dry_run)
3332 return 0;
3333
3334 r = sd_bus_call_method(
3335 bus,
3336 "org.freedesktop.login1",
3337 "/org/freedesktop/login1",
3338 "org.freedesktop.login1.Manager",
3339 method,
3340 &error,
3341 NULL,
3342 "b", arg_ask_password);
3343 if (r < 0)
3344 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3345
3346 return 0;
3347 #else
3348 return -ENOSYS;
3349 #endif
3350 }
3351
3352 static int logind_check_inhibitors(enum action a) {
3353 #if ENABLE_LOGIND
3354 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3355 _cleanup_strv_free_ char **sessions = NULL;
3356 const char *what, *who, *why, *mode;
3357 uint32_t uid, pid;
3358 sd_bus *bus;
3359 unsigned c = 0;
3360 char **s;
3361 int r;
3362
3363 if (arg_ignore_inhibitors || arg_force > 0)
3364 return 0;
3365
3366 if (arg_when > 0)
3367 return 0;
3368
3369 if (geteuid() == 0)
3370 return 0;
3371
3372 if (!on_tty())
3373 return 0;
3374
3375 if (arg_transport != BUS_TRANSPORT_LOCAL)
3376 return 0;
3377
3378 r = acquire_bus(BUS_FULL, &bus);
3379 if (r < 0)
3380 return r;
3381
3382 r = sd_bus_call_method(
3383 bus,
3384 "org.freedesktop.login1",
3385 "/org/freedesktop/login1",
3386 "org.freedesktop.login1.Manager",
3387 "ListInhibitors",
3388 NULL,
3389 &reply,
3390 NULL);
3391 if (r < 0)
3392 /* If logind is not around, then there are no inhibitors... */
3393 return 0;
3394
3395 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3396 if (r < 0)
3397 return bus_log_parse_error(r);
3398
3399 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3400 _cleanup_free_ char *comm = NULL, *user = NULL;
3401 _cleanup_strv_free_ char **sv = NULL;
3402
3403 if (!streq(mode, "block"))
3404 continue;
3405
3406 sv = strv_split(what, ":");
3407 if (!sv)
3408 return log_oom();
3409
3410 if (!pid_is_valid((pid_t) pid)) {
3411 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3412 return -ERANGE;
3413 }
3414
3415 if (!strv_contains(sv,
3416 IN_SET(a,
3417 ACTION_HALT,
3418 ACTION_POWEROFF,
3419 ACTION_REBOOT,
3420 ACTION_KEXEC) ? "shutdown" : "sleep"))
3421 continue;
3422
3423 get_process_comm(pid, &comm);
3424 user = uid_to_name(uid);
3425
3426 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3427 who, (pid_t) pid, strna(comm), strna(user), why);
3428
3429 c++;
3430 }
3431 if (r < 0)
3432 return bus_log_parse_error(r);
3433
3434 r = sd_bus_message_exit_container(reply);
3435 if (r < 0)
3436 return bus_log_parse_error(r);
3437
3438 /* Check for current sessions */
3439 sd_get_sessions(&sessions);
3440 STRV_FOREACH(s, sessions) {
3441 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3442
3443 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3444 continue;
3445
3446 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3447 continue;
3448
3449 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3450 continue;
3451
3452 sd_session_get_tty(*s, &tty);
3453 sd_session_get_seat(*s, &seat);
3454 sd_session_get_service(*s, &service);
3455 user = uid_to_name(uid);
3456
3457 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3458 c++;
3459 }
3460
3461 if (c <= 0)
3462 return 0;
3463
3464 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3465 action_table[a].verb);
3466
3467 return -EPERM;
3468 #else
3469 return 0;
3470 #endif
3471 }
3472
3473 static int logind_prepare_firmware_setup(void) {
3474 #if ENABLE_LOGIND
3475 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3476 sd_bus *bus;
3477 int r;
3478
3479 r = acquire_bus(BUS_FULL, &bus);
3480 if (r < 0)
3481 return r;
3482
3483 r = sd_bus_call_method(
3484 bus,
3485 "org.freedesktop.login1",
3486 "/org/freedesktop/login1",
3487 "org.freedesktop.login1.Manager",
3488 "SetRebootToFirmwareSetup",
3489 &error,
3490 NULL,
3491 "b", true);
3492 if (r < 0)
3493 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3494
3495 return 0;
3496 #else
3497 log_error("Cannot remotely indicate to EFI to boot into setup mode.");
3498 return -ENOSYS;
3499 #endif
3500 }
3501
3502 static int prepare_firmware_setup(void) {
3503 int r;
3504
3505 if (!arg_firmware_setup)
3506 return 0;
3507
3508 if (arg_transport == BUS_TRANSPORT_LOCAL) {
3509
3510 r = efi_set_reboot_to_firmware(true);
3511 if (r < 0)
3512 log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
3513 else
3514 return r;
3515 }
3516
3517 return logind_prepare_firmware_setup();
3518 }
3519
3520 static int load_kexec_kernel(void) {
3521 _cleanup_(boot_config_free) BootConfig config = {};
3522 _cleanup_free_ char *where = NULL, *kernel = NULL, *initrd = NULL, *options = NULL;
3523 const BootEntry *e;
3524 pid_t pid;
3525 int r;
3526
3527 if (kexec_loaded()) {
3528 log_debug("Kexec kernel already loaded.");
3529 return 0;
3530 }
3531
3532 if (access(KEXEC, X_OK) < 0)
3533 return log_error_errno(errno, KEXEC" is not available: %m");
3534
3535 r = find_default_boot_entry(arg_esp_path, &where, &config, &e);
3536 if (r == -ENOKEY) /* find_default_boot_entry() doesn't warn about this case */
3537 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3538 if (r < 0)
3539 /* But it logs about all these cases, hence don't log here again */
3540 return r;
3541
3542 if (strv_length(e->initrd) > 1) {
3543 log_error("Boot entry specifies multiple initrds, which is not supported currently.");
3544 return -EINVAL;
3545 }
3546
3547 kernel = path_join(where, e->kernel);
3548 if (!strv_isempty(e->initrd))
3549 initrd = path_join(where, *e->initrd);
3550 options = strv_join(e->options, " ");
3551 if (!options)
3552 return log_oom();
3553
3554 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3555 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3556 arg_dry_run ? "Would run" : "Running",
3557 kernel,
3558 options,
3559 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3560 if (arg_dry_run)
3561 return 0;
3562
3563 r = safe_fork("(kexec)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3564 if (r < 0)
3565 return r;
3566 if (r == 0) {
3567 const char* const args[] = {
3568 KEXEC,
3569 "--load", kernel,
3570 "--append", options,
3571 initrd ? "--initrd" : NULL, initrd,
3572 NULL };
3573
3574 /* Child */
3575 execv(args[0], (char * const *) args);
3576 _exit(EXIT_FAILURE);
3577 }
3578
3579 r = wait_for_terminate_and_check("kexec", pid, WAIT_LOG);
3580 if (r < 0)
3581 return r;
3582 if (r > 0)
3583 /* Command failed */
3584 return -EPROTO;
3585 return 0;
3586 }
3587
3588 static int set_exit_code(uint8_t code) {
3589 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3590 sd_bus *bus;
3591 int r;
3592
3593 r = acquire_bus(BUS_MANAGER, &bus);
3594 if (r < 0)
3595 return r;
3596
3597 r = sd_bus_call_method(
3598 bus,
3599 "org.freedesktop.systemd1",
3600 "/org/freedesktop/systemd1",
3601 "org.freedesktop.systemd1.Manager",
3602 "SetExitCode",
3603 &error,
3604 NULL,
3605 "y", code);
3606 if (r < 0)
3607 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3608
3609 return 0;
3610 }
3611
3612 static int start_special(int argc, char *argv[], void *userdata) {
3613 enum action a;
3614 int r;
3615 bool termination_action; /* an action that terminates the manager,
3616 * can be performed also by signal. */
3617
3618 assert(argv);
3619
3620 a = verb_to_action(argv[0]);
3621
3622 r = logind_check_inhibitors(a);
3623 if (r < 0)
3624 return r;
3625
3626 if (arg_force >= 2) {
3627 r = must_be_root();
3628 if (r < 0)
3629 return r;
3630 }
3631
3632 r = prepare_firmware_setup();
3633 if (r < 0)
3634 return r;
3635
3636 if (a == ACTION_REBOOT && argc > 1) {
3637 r = update_reboot_parameter_and_warn(argv[1]);
3638 if (r < 0)
3639 return r;
3640
3641 } else if (a == ACTION_KEXEC) {
3642 r = load_kexec_kernel();
3643 if (r < 0 && arg_force >= 1)
3644 log_notice("Failed to load kexec kernel, continuing without.");
3645 else if (r < 0)
3646 return r;
3647
3648 } else if (a == ACTION_EXIT && argc > 1) {
3649 uint8_t code;
3650
3651 /* If the exit code is not given on the command line,
3652 * don't reset it to zero: just keep it as it might
3653 * have been set previously. */
3654
3655 r = safe_atou8(argv[1], &code);
3656 if (r < 0)
3657 return log_error_errno(r, "Invalid exit code.");
3658
3659 r = set_exit_code(code);
3660 if (r < 0)
3661 return r;
3662 }
3663
3664 termination_action = IN_SET(a,
3665 ACTION_HALT,
3666 ACTION_POWEROFF,
3667 ACTION_REBOOT);
3668 if (termination_action && arg_force >= 2)
3669 return halt_now(a);
3670
3671 if (arg_force >= 1 &&
3672 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3673 r = trivial_method(argc, argv, userdata);
3674 else {
3675 /* First try logind, to allow authentication with polkit */
3676 if (IN_SET(a,
3677 ACTION_POWEROFF,
3678 ACTION_REBOOT,
3679 ACTION_HALT,
3680 ACTION_SUSPEND,
3681 ACTION_HIBERNATE,
3682 ACTION_HYBRID_SLEEP,
3683 ACTION_SUSPEND_THEN_HIBERNATE)) {
3684
3685 r = logind_reboot(a);
3686 if (r >= 0)
3687 return r;
3688 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3689 /* requested operation is not supported or already in progress */
3690 return r;
3691
3692 /* On all other errors, try low-level operation. In order to minimize the difference between
3693 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3694 * logind's shutdown operations are always non-blocking. */
3695
3696 arg_no_block = true;
3697
3698 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3699 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3700 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3701 arg_no_block = true;
3702
3703 r = start_unit(argc, argv, userdata);
3704 }
3705
3706 if (termination_action && arg_force < 2 &&
3707 IN_SET(r, -ENOENT, -ETIMEDOUT))
3708 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3709
3710 return r;
3711 }
3712
3713 static int start_system_special(int argc, char *argv[], void *userdata) {
3714 /* Like start_special above, but raises an error when running in user mode */
3715
3716 if (arg_scope != UNIT_FILE_SYSTEM)
3717 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3718 "Bad action for %s mode.",
3719 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3720
3721 return start_special(argc, argv, userdata);
3722 }
3723
3724 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3725 _cleanup_strv_free_ char **names = NULL;
3726 UnitActiveState active_state;
3727 sd_bus *bus;
3728 char **name;
3729 int r, i;
3730 bool found = false;
3731
3732 r = acquire_bus(BUS_MANAGER, &bus);
3733 if (r < 0)
3734 return r;
3735
3736 r = expand_names(bus, args, NULL, &names);
3737 if (r < 0)
3738 return log_error_errno(r, "Failed to expand names: %m");
3739
3740 STRV_FOREACH(name, names) {
3741 r = get_state_one_unit(bus, *name, &active_state);
3742 if (r < 0)
3743 return r;
3744
3745 if (!arg_quiet)
3746 puts(unit_active_state_to_string(active_state));
3747
3748 for (i = 0; i < nb_states; ++i)
3749 if (good_states[i] == active_state)
3750 found = true;
3751 }
3752
3753 /* use the given return code for the case that we won't find
3754 * any unit which matches the list */
3755 return found ? 0 : code;
3756 }
3757
3758 static int check_unit_active(int argc, char *argv[], void *userdata) {
3759 static const UnitActiveState states[] = {
3760 UNIT_ACTIVE,
3761 UNIT_RELOADING,
3762 };
3763
3764 /* According to LSB: 3, "program is not running" */
3765 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3766 }
3767
3768 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3769 static const UnitActiveState states[] = {
3770 UNIT_FAILED,
3771 };
3772
3773 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3774 }
3775
3776 static int kill_unit(int argc, char *argv[], void *userdata) {
3777 _cleanup_strv_free_ char **names = NULL;
3778 char *kill_who = NULL, **name;
3779 sd_bus *bus;
3780 int r, q;
3781
3782 r = acquire_bus(BUS_MANAGER, &bus);
3783 if (r < 0)
3784 return r;
3785
3786 polkit_agent_open_maybe();
3787
3788 if (!arg_kill_who)
3789 arg_kill_who = "all";
3790
3791 /* --fail was specified */
3792 if (streq(arg_job_mode, "fail"))
3793 kill_who = strjoina(arg_kill_who, "-fail");
3794
3795 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3796 if (r < 0)
3797 return log_error_errno(r, "Failed to expand names: %m");
3798
3799 STRV_FOREACH(name, names) {
3800 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3801
3802 q = sd_bus_call_method(
3803 bus,
3804 "org.freedesktop.systemd1",
3805 "/org/freedesktop/systemd1",
3806 "org.freedesktop.systemd1.Manager",
3807 "KillUnit",
3808 &error,
3809 NULL,
3810 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3811 if (q < 0) {
3812 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3813 if (r == 0)
3814 r = q;
3815 }
3816 }
3817
3818 return r;
3819 }
3820
3821 typedef struct ExecStatusInfo {
3822 char *name;
3823
3824 char *path;
3825 char **argv;
3826
3827 bool ignore;
3828
3829 usec_t start_timestamp;
3830 usec_t exit_timestamp;
3831 pid_t pid;
3832 int code;
3833 int status;
3834
3835 LIST_FIELDS(struct ExecStatusInfo, exec);
3836 } ExecStatusInfo;
3837
3838 static void exec_status_info_free(ExecStatusInfo *i) {
3839 assert(i);
3840
3841 free(i->name);
3842 free(i->path);
3843 strv_free(i->argv);
3844 free(i);
3845 }
3846
3847 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3848 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3849 const char *path;
3850 uint32_t pid;
3851 int32_t code, status;
3852 int ignore, r;
3853
3854 assert(m);
3855 assert(i);
3856
3857 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3858 if (r < 0)
3859 return bus_log_parse_error(r);
3860 else if (r == 0)
3861 return 0;
3862
3863 r = sd_bus_message_read(m, "s", &path);
3864 if (r < 0)
3865 return bus_log_parse_error(r);
3866
3867 i->path = strdup(path);
3868 if (!i->path)
3869 return log_oom();
3870
3871 r = sd_bus_message_read_strv(m, &i->argv);
3872 if (r < 0)
3873 return bus_log_parse_error(r);
3874
3875 r = sd_bus_message_read(m,
3876 "bttttuii",
3877 &ignore,
3878 &start_timestamp, &start_timestamp_monotonic,
3879 &exit_timestamp, &exit_timestamp_monotonic,
3880 &pid,
3881 &code, &status);
3882 if (r < 0)
3883 return bus_log_parse_error(r);
3884
3885 i->ignore = ignore;
3886 i->start_timestamp = (usec_t) start_timestamp;
3887 i->exit_timestamp = (usec_t) exit_timestamp;
3888 i->pid = (pid_t) pid;
3889 i->code = code;
3890 i->status = status;
3891
3892 r = sd_bus_message_exit_container(m);
3893 if (r < 0)
3894 return bus_log_parse_error(r);
3895
3896 return 1;
3897 }
3898
3899 typedef struct UnitCondition {
3900 char *name;
3901 char *param;
3902 bool trigger;
3903 bool negate;
3904 int tristate;
3905
3906 LIST_FIELDS(struct UnitCondition, conditions);
3907 } UnitCondition;
3908
3909 static void unit_condition_free(UnitCondition *c) {
3910 if (!c)
3911 return;
3912
3913 free(c->name);
3914 free(c->param);
3915 free(c);
3916 }
3917
3918 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3919
3920 typedef struct UnitStatusInfo {
3921 const char *id;
3922 const char *load_state;
3923 const char *active_state;
3924 const char *sub_state;
3925 const char *unit_file_state;
3926 const char *unit_file_preset;
3927
3928 const char *description;
3929 const char *following;
3930
3931 char **documentation;
3932
3933 const char *fragment_path;
3934 const char *source_path;
3935 const char *control_group;
3936
3937 char **dropin_paths;
3938
3939 const char *load_error;
3940 const char *result;
3941
3942 usec_t inactive_exit_timestamp;
3943 usec_t inactive_exit_timestamp_monotonic;
3944 usec_t active_enter_timestamp;
3945 usec_t active_exit_timestamp;
3946 usec_t inactive_enter_timestamp;
3947
3948 bool need_daemon_reload;
3949 bool transient;
3950
3951 /* Service */
3952 pid_t main_pid;
3953 pid_t control_pid;
3954 const char *status_text;
3955 const char *pid_file;
3956 bool running:1;
3957 int status_errno;
3958
3959 usec_t start_timestamp;
3960 usec_t exit_timestamp;
3961
3962 int exit_code, exit_status;
3963
3964 usec_t condition_timestamp;
3965 bool condition_result;
3966 LIST_HEAD(UnitCondition, conditions);
3967
3968 usec_t assert_timestamp;
3969 bool assert_result;
3970 bool failed_assert_trigger;
3971 bool failed_assert_negate;
3972 const char *failed_assert;
3973 const char *failed_assert_parameter;
3974 usec_t next_elapse_real;
3975 usec_t next_elapse_monotonic;
3976
3977 /* Socket */
3978 unsigned n_accepted;
3979 unsigned n_connections;
3980 unsigned n_refused;
3981 bool accept;
3982
3983 /* Pairs of type, path */
3984 char **listen;
3985
3986 /* Device */
3987 const char *sysfs_path;
3988
3989 /* Mount, Automount */
3990 const char *where;
3991
3992 /* Swap */
3993 const char *what;
3994
3995 /* CGroup */
3996 uint64_t memory_current;
3997 uint64_t memory_min;
3998 uint64_t memory_low;
3999 uint64_t memory_high;
4000 uint64_t memory_max;
4001 uint64_t memory_swap_max;
4002 uint64_t memory_limit;
4003 uint64_t cpu_usage_nsec;
4004 uint64_t tasks_current;
4005 uint64_t tasks_max;
4006
4007 uint64_t ip_ingress_bytes;
4008 uint64_t ip_egress_bytes;
4009
4010 LIST_HEAD(ExecStatusInfo, exec);
4011 } UnitStatusInfo;
4012
4013 static void unit_status_info_free(UnitStatusInfo *info) {
4014 ExecStatusInfo *p;
4015 UnitCondition *c;
4016
4017 strv_free(info->documentation);
4018 strv_free(info->dropin_paths);
4019 strv_free(info->listen);
4020
4021 while ((c = info->conditions)) {
4022 LIST_REMOVE(conditions, info->conditions, c);
4023 unit_condition_free(c);
4024 }
4025
4026 while ((p = info->exec)) {
4027 LIST_REMOVE(exec, info->exec, p);
4028 exec_status_info_free(p);
4029 }
4030 }
4031
4032 static void print_status_info(
4033 sd_bus *bus,
4034 UnitStatusInfo *i,
4035 bool *ellipsized) {
4036
4037 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4038 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4039 _cleanup_free_ char *formatted_path = NULL;
4040 ExecStatusInfo *p;
4041 usec_t timestamp;
4042 const char *path;
4043 char **t, **t2;
4044 int r;
4045
4046 assert(i);
4047
4048 /* This shows pretty information about a unit. See
4049 * print_property() for a low-level property printer */
4050
4051 if (streq_ptr(i->active_state, "failed")) {
4052 active_on = ansi_highlight_red();
4053 active_off = ansi_normal();
4054 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4055 active_on = ansi_highlight_green();
4056 active_off = ansi_normal();
4057 } else
4058 active_on = active_off = "";
4059
4060 printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id));
4061
4062 if (i->description && !streq_ptr(i->id, i->description))
4063 printf(" - %s", i->description);
4064
4065 printf("\n");
4066
4067 if (i->following)
4068 printf(" Follow: unit currently follows state of %s\n", i->following);
4069
4070 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4071 on = ansi_highlight_red();
4072 off = ansi_normal();
4073 } else
4074 on = off = "";
4075
4076 path = i->source_path ?: i->fragment_path;
4077 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4078 path = formatted_path;
4079
4080 if (!isempty(i->load_error))
4081 printf(" Loaded: %s%s%s (Reason: %s)\n",
4082 on, strna(i->load_state), off, i->load_error);
4083 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4084 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4085 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4086 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4087 else if (path && !isempty(i->unit_file_state))
4088 printf(" Loaded: %s%s%s (%s; %s)\n",
4089 on, strna(i->load_state), off, path, i->unit_file_state);
4090 else if (path)
4091 printf(" Loaded: %s%s%s (%s)\n",
4092 on, strna(i->load_state), off, path);
4093 else
4094 printf(" Loaded: %s%s%s\n",
4095 on, strna(i->load_state), off);
4096
4097 if (i->transient)
4098 printf("Transient: yes\n");
4099
4100 if (!strv_isempty(i->dropin_paths)) {
4101 _cleanup_free_ char *dir = NULL;
4102 bool last = false;
4103 char ** dropin;
4104
4105 STRV_FOREACH(dropin, i->dropin_paths) {
4106 _cleanup_free_ char *dropin_formatted = NULL;
4107 const char *df;
4108
4109 if (!dir || last) {
4110 printf(dir ? " " :
4111 " Drop-In: ");
4112
4113 dir = mfree(dir);
4114
4115 dir = dirname_malloc(*dropin);
4116 if (!dir) {
4117 log_oom();
4118 return;
4119 }
4120
4121 printf("%s\n"
4122 " %s", dir,
4123 special_glyph(TREE_RIGHT));
4124 }
4125
4126 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4127
4128 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4129 df = dropin_formatted;
4130 else
4131 df = *dropin;
4132
4133 printf("%s%s", df, last ? "\n" : ", ");
4134 }
4135 }
4136
4137 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4138 if (ss)
4139 printf(" Active: %s%s (%s)%s",
4140 active_on, strna(i->active_state), ss, active_off);
4141 else
4142 printf(" Active: %s%s%s",
4143 active_on, strna(i->active_state), active_off);
4144
4145 if (!isempty(i->result) && !streq(i->result, "success"))
4146 printf(" (Result: %s)", i->result);
4147
4148 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4149 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4150 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4151 i->active_exit_timestamp;
4152
4153 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4154 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4155
4156 if (s1)
4157 printf(" since %s; %s\n", s2, s1);
4158 else if (s2)
4159 printf(" since %s\n", s2);
4160 else
4161 printf("\n");
4162
4163 if (endswith(i->id, ".timer")) {
4164 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4165 tstamp2[FORMAT_TIMESTAMP_MAX];
4166 const char *next_rel_time, *next_time;
4167 dual_timestamp nw, next = {i->next_elapse_real,
4168 i->next_elapse_monotonic};
4169 usec_t next_elapse;
4170
4171 printf(" Trigger: ");
4172
4173 dual_timestamp_get(&nw);
4174 next_elapse = calc_next_elapse(&nw, &next);
4175 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4176 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4177
4178 if (next_time && next_rel_time)
4179 printf("%s; %s\n", next_time, next_rel_time);
4180 else
4181 printf("n/a\n");
4182 }
4183
4184 if (!i->condition_result && i->condition_timestamp > 0) {
4185 UnitCondition *c;
4186 int n = 0;
4187
4188 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4189 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4190
4191 printf("Condition: start %scondition failed%s at %s%s%s\n",
4192 ansi_highlight_yellow(), ansi_normal(),
4193 s2, s1 ? "; " : "", strempty(s1));
4194
4195 LIST_FOREACH(conditions, c, i->conditions)
4196 if (c->tristate < 0)
4197 n++;
4198
4199 LIST_FOREACH(conditions, c, i->conditions)
4200 if (c->tristate < 0)
4201 printf(" %s %s=%s%s%s was not met\n",
4202 --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT),
4203 c->name,
4204 c->trigger ? "|" : "",
4205 c->negate ? "!" : "",
4206 c->param);
4207 }
4208
4209 if (!i->assert_result && i->assert_timestamp > 0) {
4210 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4211 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4212
4213 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4214 ansi_highlight_red(), ansi_normal(),
4215 s2, s1 ? "; " : "", strempty(s1));
4216 if (i->failed_assert_trigger)
4217 printf(" none of the trigger assertions were met\n");
4218 else if (i->failed_assert)
4219 printf(" %s=%s%s was not met\n",
4220 i->failed_assert,
4221 i->failed_assert_negate ? "!" : "",
4222 i->failed_assert_parameter);
4223 }
4224
4225 if (i->sysfs_path)
4226 printf(" Device: %s\n", i->sysfs_path);
4227 if (i->where)
4228 printf(" Where: %s\n", i->where);
4229 if (i->what)
4230 printf(" What: %s\n", i->what);
4231
4232 STRV_FOREACH(t, i->documentation) {
4233 _cleanup_free_ char *formatted = NULL;
4234 const char *q;
4235
4236 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4237 q = formatted;
4238 else
4239 q = *t;
4240
4241 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4242 }
4243
4244 STRV_FOREACH_PAIR(t, t2, i->listen)
4245 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4246
4247 if (i->accept) {
4248 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4249 if (i->n_refused)
4250 printf(" Refused: %u", i->n_refused);
4251 printf("\n");
4252 }
4253
4254 LIST_FOREACH(exec, p, i->exec) {
4255 _cleanup_free_ char *argv = NULL;
4256 bool good;
4257
4258 /* Only show exited processes here */
4259 if (p->code == 0)
4260 continue;
4261
4262 argv = strv_join(p->argv, " ");
4263 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4264
4265 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4266 if (!good) {
4267 on = ansi_highlight_red();
4268 off = ansi_normal();
4269 } else
4270 on = off = "";
4271
4272 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4273
4274 if (p->code == CLD_EXITED) {
4275 const char *c;
4276
4277 printf("status=%i", p->status);
4278
4279 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4280 if (c)
4281 printf("/%s", c);
4282
4283 } else
4284 printf("signal=%s", signal_to_string(p->status));
4285
4286 printf(")%s\n", off);
4287
4288 if (i->main_pid == p->pid &&
4289 i->start_timestamp == p->start_timestamp &&
4290 i->exit_timestamp == p->start_timestamp)
4291 /* Let's not show this twice */
4292 i->main_pid = 0;
4293
4294 if (p->pid == i->control_pid)
4295 i->control_pid = 0;
4296 }
4297
4298 if (i->main_pid > 0 || i->control_pid > 0) {
4299 if (i->main_pid > 0) {
4300 printf(" Main PID: "PID_FMT, i->main_pid);
4301
4302 if (i->running) {
4303
4304 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4305 _cleanup_free_ char *comm = NULL;
4306
4307 (void) get_process_comm(i->main_pid, &comm);
4308 if (comm)
4309 printf(" (%s)", comm);
4310 }
4311
4312 } else if (i->exit_code > 0) {
4313 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4314
4315 if (i->exit_code == CLD_EXITED) {
4316 const char *c;
4317
4318 printf("status=%i", i->exit_status);
4319
4320 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4321 if (c)
4322 printf("/%s", c);
4323
4324 } else
4325 printf("signal=%s", signal_to_string(i->exit_status));
4326 printf(")");
4327 }
4328 }
4329
4330 if (i->control_pid > 0) {
4331 _cleanup_free_ char *c = NULL;
4332
4333 if (i->main_pid > 0)
4334 fputs("; Control PID: ", stdout);
4335 else
4336 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4337
4338 printf(PID_FMT, i->control_pid);
4339
4340 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4341 (void) get_process_comm(i->control_pid, &c);
4342 if (c)
4343 printf(" (%s)", c);
4344 }
4345 }
4346
4347 printf("\n");
4348 }
4349
4350 if (i->status_text)
4351 printf(" Status: \"%s\"\n", i->status_text);
4352 if (i->status_errno > 0)
4353 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4354
4355 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4356 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4357
4358 printf(" IP: %s in, %s out\n",
4359 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4360 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4361 }
4362
4363 if (i->tasks_current != (uint64_t) -1) {
4364 printf(" Tasks: %" PRIu64, i->tasks_current);
4365
4366 if (i->tasks_max != (uint64_t) -1)
4367 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4368 else
4369 printf("\n");
4370 }
4371
4372 if (i->memory_current != (uint64_t) -1) {
4373 char buf[FORMAT_BYTES_MAX];
4374
4375 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4376
4377 if (i->memory_min > 0 || i->memory_low > 0 ||
4378 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4379 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4380 i->memory_limit != CGROUP_LIMIT_MAX) {
4381 const char *prefix = "";
4382
4383 printf(" (");
4384 if (i->memory_min > 0) {
4385 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4386 prefix = " ";
4387 }
4388 if (i->memory_low > 0) {
4389 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4390 prefix = " ";
4391 }
4392 if (i->memory_high != CGROUP_LIMIT_MAX) {
4393 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4394 prefix = " ";
4395 }
4396 if (i->memory_max != CGROUP_LIMIT_MAX) {
4397 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4398 prefix = " ";
4399 }
4400 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4401 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4402 prefix = " ";
4403 }
4404 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4405 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4406 prefix = " ";
4407 }
4408 printf(")");
4409 }
4410 printf("\n");
4411 }
4412
4413 if (i->cpu_usage_nsec != (uint64_t) -1) {
4414 char buf[FORMAT_TIMESPAN_MAX];
4415 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4416 }
4417
4418 if (i->control_group) {
4419 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4420 static const char prefix[] = " ";
4421 unsigned c;
4422
4423 printf(" CGroup: %s\n", i->control_group);
4424
4425 c = columns();
4426 if (c > sizeof(prefix) - 1)
4427 c -= sizeof(prefix) - 1;
4428 else
4429 c = 0;
4430
4431 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4432 if (r == -EBADR) {
4433 unsigned k = 0;
4434 pid_t extra[2];
4435
4436 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4437
4438 if (i->main_pid > 0)
4439 extra[k++] = i->main_pid;
4440
4441 if (i->control_pid > 0)
4442 extra[k++] = i->control_pid;
4443
4444 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4445 } else if (r < 0)
4446 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4447 }
4448
4449 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4450 show_journal_by_unit(
4451 stdout,
4452 i->id,
4453 arg_output,
4454 0,
4455 i->inactive_exit_timestamp_monotonic,
4456 arg_lines,
4457 getuid(),
4458 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4459 SD_JOURNAL_LOCAL_ONLY,
4460 arg_scope == UNIT_FILE_SYSTEM,
4461 ellipsized);
4462
4463 if (i->need_daemon_reload)
4464 warn_unit_file_changed(i->id);
4465 }
4466
4467 static void show_unit_help(UnitStatusInfo *i) {
4468 char **p;
4469
4470 assert(i);
4471
4472 if (!i->documentation) {
4473 log_info("Documentation for %s not known.", i->id);
4474 return;
4475 }
4476
4477 STRV_FOREACH(p, i->documentation)
4478 if (startswith(*p, "man:"))
4479 show_man_page(*p + 4, false);
4480 else
4481 log_info("Can't show: %s", *p);
4482 }
4483
4484 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4485 UnitStatusInfo *i = userdata;
4486 uint32_t u;
4487 int r;
4488
4489 r = sd_bus_message_read(m, "u", &u);
4490 if (r < 0)
4491 return r;
4492
4493 i->main_pid = (pid_t) u;
4494 i->running = u > 0;
4495
4496 return 0;
4497 }
4498
4499 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4500 const char *message, **p = userdata;
4501 int r;
4502
4503 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4504 if (r < 0)
4505 return r;
4506
4507 if (!isempty(message))
4508 *p = message;
4509
4510 return 0;
4511 }
4512
4513 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4514 const char *type, *path;
4515 char ***p = userdata;
4516 int r;
4517
4518 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4519 if (r < 0)
4520 return r;
4521
4522 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4523
4524 r = strv_extend(p, type);
4525 if (r < 0)
4526 return r;
4527
4528 r = strv_extend(p, path);
4529 if (r < 0)
4530 return r;
4531 }
4532 if (r < 0)
4533 return r;
4534
4535 r = sd_bus_message_exit_container(m);
4536 if (r < 0)
4537 return r;
4538
4539 return 0;
4540 }
4541
4542 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4543 UnitStatusInfo *i = userdata;
4544 const char *cond, *param;
4545 int trigger, negate;
4546 int32_t state;
4547 int r;
4548
4549 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4550 if (r < 0)
4551 return r;
4552
4553 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4554 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4555
4556 c = new0(UnitCondition, 1);
4557 if (!c)
4558 return -ENOMEM;
4559
4560 c->name = strdup(cond);
4561 c->param = strdup(param);
4562 if (!c->name || !c->param)
4563 return -ENOMEM;
4564
4565 c->trigger = trigger;
4566 c->negate = negate;
4567 c->tristate = state;
4568
4569 LIST_PREPEND(conditions, i->conditions, c);
4570 c = NULL;
4571 }
4572 if (r < 0)
4573 return r;
4574
4575 r = sd_bus_message_exit_container(m);
4576 if (r < 0)
4577 return r;
4578
4579 return 0;
4580 }
4581
4582 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4583 UnitStatusInfo *i = userdata;
4584 const char *cond, *param;
4585 int trigger, negate;
4586 int32_t state;
4587 int r;
4588
4589 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4590 if (r < 0)
4591 return r;
4592
4593 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4594 if (state < 0 && (!trigger || !i->failed_assert)) {
4595 i->failed_assert = cond;
4596 i->failed_assert_trigger = trigger;
4597 i->failed_assert_negate = negate;
4598 i->failed_assert_parameter = param;
4599 }
4600 }
4601 if (r < 0)
4602 return r;
4603
4604 r = sd_bus_message_exit_container(m);
4605 if (r < 0)
4606 return r;
4607
4608 return 0;
4609 }
4610
4611 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4612 _cleanup_free_ ExecStatusInfo *info = NULL;
4613 ExecStatusInfo *last;
4614 UnitStatusInfo *i = userdata;
4615 int r;
4616
4617 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4618 if (r < 0)
4619 return r;
4620
4621 info = new0(ExecStatusInfo, 1);
4622 if (!info)
4623 return -ENOMEM;
4624
4625 LIST_FIND_TAIL(exec, i->exec, last);
4626
4627 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4628
4629 info->name = strdup(member);
4630 if (!info->name)
4631 return -ENOMEM;
4632
4633 LIST_INSERT_AFTER(exec, i->exec, last, info);
4634 last = info;
4635
4636 info = new0(ExecStatusInfo, 1);
4637 if (!info)
4638 return -ENOMEM;
4639 }
4640 if (r < 0)
4641 return r;
4642
4643 r = sd_bus_message_exit_container(m);
4644 if (r < 0)
4645 return r;
4646
4647 return 0;
4648 }
4649
4650 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4651 char bus_type;
4652 const char *contents;
4653 int r;
4654
4655 assert(name);
4656 assert(m);
4657
4658 /* This is a low-level property printer, see
4659 * print_status_info() for the nicer output */
4660
4661 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4662 if (r < 0)
4663 return r;
4664
4665 switch (bus_type) {
4666
4667 case SD_BUS_TYPE_STRUCT:
4668
4669 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4670 uint32_t u;
4671
4672 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4673 if (r < 0)
4674 return bus_log_parse_error(r);
4675
4676 if (u > 0)
4677 bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
4678 else if (all)
4679 bus_print_property_value(name, expected_value, value, "%s", "");
4680
4681 return 1;
4682
4683 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4684 const char *s;
4685
4686 r = sd_bus_message_read(m, "(so)", &s, NULL);
4687 if (r < 0)
4688 return bus_log_parse_error(r);
4689
4690 if (all || !isempty(s))
4691 bus_print_property_value(name, expected_value, value, "%s", s);
4692
4693 return 1;
4694
4695 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4696 const char *a = NULL, *b = NULL;
4697
4698 r = sd_bus_message_read(m, "(ss)", &a, &b);
4699 if (r < 0)
4700 return bus_log_parse_error(r);
4701
4702 if (all || !isempty(a) || !isempty(b))
4703 bus_print_property_value(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4704
4705 return 1;
4706 } else if (streq_ptr(name, "SystemCallFilter")) {
4707 _cleanup_strv_free_ char **l = NULL;
4708 int whitelist;
4709
4710 r = sd_bus_message_enter_container(m, 'r', "bas");
4711 if (r < 0)
4712 return bus_log_parse_error(r);
4713
4714 r = sd_bus_message_read(m, "b", &whitelist);
4715 if (r < 0)
4716 return bus_log_parse_error(r);
4717
4718 r = sd_bus_message_read_strv(m, &l);
4719 if (r < 0)
4720 return bus_log_parse_error(r);
4721
4722 r = sd_bus_message_exit_container(m);
4723 if (r < 0)
4724 return bus_log_parse_error(r);
4725
4726 if (all || whitelist || !strv_isempty(l)) {
4727 bool first = true;
4728 char **i;
4729
4730 if (!value) {
4731 fputs(name, stdout);
4732 fputc('=', stdout);
4733 }
4734
4735 if (!whitelist)
4736 fputc('~', stdout);
4737
4738 STRV_FOREACH(i, l) {
4739 if (first)
4740 first = false;
4741 else
4742 fputc(' ', stdout);
4743
4744 fputs(*i, stdout);
4745 }
4746 fputc('\n', stdout);
4747 }
4748
4749 return 1;
4750 }
4751
4752 break;
4753
4754 case SD_BUS_TYPE_ARRAY:
4755
4756 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4757 const char *path;
4758 int ignore;
4759
4760 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4761 if (r < 0)
4762 return bus_log_parse_error(r);
4763
4764 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4765 bus_print_property_value(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4766
4767 if (r < 0)
4768 return bus_log_parse_error(r);
4769
4770 r = sd_bus_message_exit_container(m);
4771 if (r < 0)
4772 return bus_log_parse_error(r);
4773
4774 return 1;
4775
4776 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4777 const char *type, *path;
4778
4779 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4780 if (r < 0)
4781 return bus_log_parse_error(r);
4782
4783 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4784 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4785 if (r < 0)
4786 return bus_log_parse_error(r);
4787
4788 r = sd_bus_message_exit_container(m);
4789 if (r < 0)
4790 return bus_log_parse_error(r);
4791
4792 return 1;
4793
4794 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4795 const char *type, *path;
4796
4797 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4798 if (r < 0)
4799 return bus_log_parse_error(r);
4800
4801 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4802 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4803 if (r < 0)
4804 return bus_log_parse_error(r);
4805
4806 r = sd_bus_message_exit_container(m);
4807 if (r < 0)
4808 return bus_log_parse_error(r);
4809
4810 return 1;
4811
4812 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4813 const char *base;
4814 uint64_t v, next_elapse;
4815
4816 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4817 if (r < 0)
4818 return bus_log_parse_error(r);
4819
4820 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4821 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4822
4823 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
4824 format_timespan(timespan1, sizeof(timespan1), v, 0),
4825 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4826 }
4827 if (r < 0)
4828 return bus_log_parse_error(r);
4829
4830 r = sd_bus_message_exit_container(m);
4831 if (r < 0)
4832 return bus_log_parse_error(r);
4833
4834 return 1;
4835
4836 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
4837 const char *base, *spec;
4838 uint64_t next_elapse;
4839
4840 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
4841 if (r < 0)
4842 return bus_log_parse_error(r);
4843
4844 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
4845 char timestamp[FORMAT_TIMESTAMP_MAX];
4846
4847 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
4848 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
4849 }
4850 if (r < 0)
4851 return bus_log_parse_error(r);
4852
4853 r = sd_bus_message_exit_container(m);
4854 if (r < 0)
4855 return bus_log_parse_error(r);
4856
4857 return 1;
4858
4859 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4860 ExecStatusInfo info = {};
4861
4862 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4863 if (r < 0)
4864 return bus_log_parse_error(r);
4865
4866 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4867 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4868 _cleanup_free_ char *tt;
4869
4870 tt = strv_join(info.argv, " ");
4871
4872 bus_print_property_value(name, expected_value, value,
4873 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
4874 strna(info.path),
4875 strna(tt),
4876 yes_no(info.ignore),
4877 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4878 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4879 info.pid,
4880 sigchld_code_to_string(info.code),
4881 info.status,
4882 info.code == CLD_EXITED ? "" : "/",
4883 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4884
4885 free(info.path);
4886 strv_free(info.argv);
4887 zero(info);
4888 }
4889
4890 r = sd_bus_message_exit_container(m);
4891 if (r < 0)
4892 return bus_log_parse_error(r);
4893
4894 return 1;
4895
4896 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4897 const char *path, *rwm;
4898
4899 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4900 if (r < 0)
4901 return bus_log_parse_error(r);
4902
4903 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4904 bus_print_property_value(name, expected_value, value, "%s %s", strna(path), strna(rwm));
4905 if (r < 0)
4906 return bus_log_parse_error(r);
4907
4908 r = sd_bus_message_exit_container(m);
4909 if (r < 0)
4910 return bus_log_parse_error(r);
4911
4912 return 1;
4913
4914 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4915 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
4916 const char *path;
4917 uint64_t weight;
4918
4919 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4920 if (r < 0)
4921 return bus_log_parse_error(r);
4922
4923 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4924 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
4925 if (r < 0)
4926 return bus_log_parse_error(r);
4927
4928 r = sd_bus_message_exit_container(m);
4929 if (r < 0)
4930 return bus_log_parse_error(r);
4931
4932 return 1;
4933
4934 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4935 (cgroup_io_limit_type_from_string(name) >= 0 ||
4936 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
4937 const char *path;
4938 uint64_t bandwidth;
4939
4940 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4941 if (r < 0)
4942 return bus_log_parse_error(r);
4943
4944 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
4945 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
4946 if (r < 0)
4947 return bus_log_parse_error(r);
4948
4949 r = sd_bus_message_exit_container(m);
4950 if (r < 0)
4951 return bus_log_parse_error(r);
4952
4953 return 1;
4954
4955 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4956 streq(name, "IODeviceLatencyTargetUSec")) {
4957 char ts[FORMAT_TIMESPAN_MAX];
4958 const char *path;
4959 uint64_t target;
4960
4961 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4962 if (r < 0)
4963 return bus_log_parse_error(r);
4964
4965 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
4966 bus_print_property_value(name, expected_value, value, "%s %s", strna(path),
4967 format_timespan(ts, sizeof(ts), target, 1));
4968 if (r < 0)
4969 return bus_log_parse_error(r);
4970
4971 r = sd_bus_message_exit_container(m);
4972 if (r < 0)
4973 return bus_log_parse_error(r);
4974
4975 return 1;
4976
4977 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
4978 _cleanup_free_ char *h = NULL;
4979 const void *p;
4980 size_t sz;
4981 ssize_t n;
4982
4983 r = sd_bus_message_read_array(m, 'y', &p, &sz);
4984 if (r < 0)
4985 return bus_log_parse_error(r);
4986
4987 n = base64mem(p, sz, &h);
4988 if (n < 0)
4989 return log_oom();
4990
4991 bus_print_property_value(name, expected_value, value, "%s", h);
4992
4993 return 1;
4994 }
4995
4996 break;
4997 }
4998
4999 return 0;
5000 }
5001
5002 typedef enum SystemctlShowMode{
5003 SYSTEMCTL_SHOW_PROPERTIES,
5004 SYSTEMCTL_SHOW_STATUS,
5005 SYSTEMCTL_SHOW_HELP,
5006 _SYSTEMCTL_SHOW_MODE_MAX,
5007 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5008 } SystemctlShowMode;
5009
5010 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5011 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5012 [SYSTEMCTL_SHOW_STATUS] = "status",
5013 [SYSTEMCTL_SHOW_HELP] = "help",
5014 };
5015
5016 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5017
5018 static int show_one(
5019 sd_bus *bus,
5020 const char *path,
5021 const char *unit,
5022 SystemctlShowMode show_mode,
5023 bool *new_line,
5024 bool *ellipsized) {
5025
5026 static const struct bus_properties_map property_map[] = {
5027 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5028 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5029 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5030 {}
5031 }, status_map[] = {
5032 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5033 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5034 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5035 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5036 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5037 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5038 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5039 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5040 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5041 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5042 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5043 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5044 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5045 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5046 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5047 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5048 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5049 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5050 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5051 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5052 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5053 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5054 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5055 { "MainPID", "u", map_main_pid, 0 },
5056 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5057 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5058 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5059 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5060 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5061 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5062 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5063 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5064 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5065 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5066 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5067 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5068 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5069 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5070 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5071 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5072 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5073 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5074 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5075 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5076 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5077 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5078 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5079 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5080 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5081 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5082 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5083 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5084 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5085 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5086 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5087 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5088 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5089 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5090 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5091 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5092 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5093 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5094 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5095 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5096 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5097 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5098 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5099 {}
5100 };
5101
5102 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5103 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5104 _cleanup_set_free_ Set *found_properties = NULL;
5105 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5106 .memory_current = (uint64_t) -1,
5107 .memory_high = CGROUP_LIMIT_MAX,
5108 .memory_max = CGROUP_LIMIT_MAX,
5109 .memory_swap_max = CGROUP_LIMIT_MAX,
5110 .memory_limit = (uint64_t) -1,
5111 .cpu_usage_nsec = (uint64_t) -1,
5112 .tasks_current = (uint64_t) -1,
5113 .tasks_max = (uint64_t) -1,
5114 .ip_ingress_bytes = (uint64_t) -1,
5115 .ip_egress_bytes = (uint64_t) -1,
5116 };
5117 char **pp;
5118 int r;
5119
5120 assert(path);
5121 assert(new_line);
5122
5123 log_debug("Showing one %s", path);
5124
5125 r = bus_map_all_properties(
5126 bus,
5127 "org.freedesktop.systemd1",
5128 path,
5129 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5130 BUS_MAP_BOOLEAN_AS_BOOL,
5131 &error,
5132 &reply,
5133 &info);
5134 if (r < 0)
5135 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5136
5137 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5138 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5139 "Unit %s could not be found.", unit);
5140
5141 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5142 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5143 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5144 return -ENOENT;
5145 }
5146
5147 if (*new_line)
5148 printf("\n");
5149
5150 *new_line = true;
5151
5152 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5153 print_status_info(bus, &info, ellipsized);
5154
5155 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5156 return EXIT_PROGRAM_NOT_RUNNING;
5157
5158 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5159
5160 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5161 show_unit_help(&info);
5162 return 0;
5163 }
5164
5165 r = sd_bus_message_rewind(reply, true);
5166 if (r < 0)
5167 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5168
5169 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5170 if (r < 0)
5171 return bus_log_parse_error(r);
5172
5173 STRV_FOREACH(pp, arg_properties)
5174 if (!set_contains(found_properties, *pp))
5175 log_debug("Property %s does not exist.", *pp);
5176
5177 return 0;
5178 }
5179
5180 static int get_unit_dbus_path_by_pid(
5181 sd_bus *bus,
5182 uint32_t pid,
5183 char **unit) {
5184
5185 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5186 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5187 char *u;
5188 int r;
5189
5190 r = sd_bus_call_method(
5191 bus,
5192 "org.freedesktop.systemd1",
5193 "/org/freedesktop/systemd1",
5194 "org.freedesktop.systemd1.Manager",
5195 "GetUnitByPID",
5196 &error,
5197 &reply,
5198 "u", pid);
5199 if (r < 0)
5200 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5201
5202 r = sd_bus_message_read(reply, "o", &u);
5203 if (r < 0)
5204 return bus_log_parse_error(r);
5205
5206 u = strdup(u);
5207 if (!u)
5208 return log_oom();
5209
5210 *unit = u;
5211 return 0;
5212 }
5213
5214 static int show_all(
5215 sd_bus *bus,
5216 bool *new_line,
5217 bool *ellipsized) {
5218
5219 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5220 _cleanup_free_ UnitInfo *unit_infos = NULL;
5221 const UnitInfo *u;
5222 unsigned c;
5223 int r, ret = 0;
5224
5225 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5226 if (r < 0)
5227 return r;
5228
5229 (void) pager_open(arg_pager_flags);
5230
5231 c = (unsigned) r;
5232
5233 typesafe_qsort(unit_infos, c, compare_unit_info);
5234
5235 for (u = unit_infos; u < unit_infos + c; u++) {
5236 _cleanup_free_ char *p = NULL;
5237
5238 p = unit_dbus_path_from_name(u->id);
5239 if (!p)
5240 return log_oom();
5241
5242 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5243 if (r < 0)
5244 return r;
5245 else if (r > 0 && ret == 0)
5246 ret = r;
5247 }
5248
5249 return ret;
5250 }
5251
5252 static int show_system_status(sd_bus *bus) {
5253 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5254 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5255 _cleanup_(machine_info_clear) struct machine_info mi = {};
5256 _cleanup_free_ char *hn = NULL;
5257 const char *on, *off;
5258 int r;
5259
5260 hn = gethostname_malloc();
5261 if (!hn)
5262 return log_oom();
5263
5264 r = bus_map_all_properties(
5265 bus,
5266 "org.freedesktop.systemd1",
5267 "/org/freedesktop/systemd1",
5268 machine_info_property_map,
5269 BUS_MAP_STRDUP,
5270 &error,
5271 NULL,
5272 &mi);
5273 if (r < 0)
5274 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5275
5276 if (streq_ptr(mi.state, "degraded")) {
5277 on = ansi_highlight_red();
5278 off = ansi_normal();
5279 } else if (streq_ptr(mi.state, "running")) {
5280 on = ansi_highlight_green();
5281 off = ansi_normal();
5282 } else {
5283 on = ansi_highlight_yellow();
5284 off = ansi_normal();
5285 }
5286
5287 printf("%s%s%s %s\n", on, special_glyph(BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5288
5289 printf(" State: %s%s%s\n",
5290 on, strna(mi.state), off);
5291
5292 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5293 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5294
5295 printf(" Since: %s; %s\n",
5296 format_timestamp(since2, sizeof(since2), mi.timestamp),
5297 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5298
5299 printf(" CGroup: %s\n", mi.control_group ?: "/");
5300 if (IN_SET(arg_transport,
5301 BUS_TRANSPORT_LOCAL,
5302 BUS_TRANSPORT_MACHINE)) {
5303 static const char prefix[] = " ";
5304 unsigned c;
5305
5306 c = columns();
5307 if (c > sizeof(prefix) - 1)
5308 c -= sizeof(prefix) - 1;
5309 else
5310 c = 0;
5311
5312 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5313 }
5314
5315 return 0;
5316 }
5317
5318 static int show(int argc, char *argv[], void *userdata) {
5319 bool new_line = false, ellipsized = false;
5320 SystemctlShowMode show_mode;
5321 int r, ret = 0;
5322 sd_bus *bus;
5323
5324 assert(argv);
5325
5326 show_mode = systemctl_show_mode_from_string(argv[0]);
5327 if (show_mode < 0)
5328 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5329 "Invalid argument.");
5330
5331 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5332 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5333 "This command expects one or more unit names. Did you mean --help?");
5334
5335 r = acquire_bus(BUS_MANAGER, &bus);
5336 if (r < 0)
5337 return r;
5338
5339 (void) pager_open(arg_pager_flags);
5340
5341 /* If no argument is specified inspect the manager itself */
5342 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5343 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5344
5345 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5346
5347 show_system_status(bus);
5348 new_line = true;
5349
5350 if (arg_all)
5351 ret = show_all(bus, &new_line, &ellipsized);
5352 } else {
5353 _cleanup_free_ char **patterns = NULL;
5354 char **name;
5355
5356 STRV_FOREACH(name, strv_skip(argv, 1)) {
5357 _cleanup_free_ char *path = NULL, *unit = NULL;
5358 uint32_t id;
5359
5360 if (safe_atou32(*name, &id) < 0) {
5361 if (strv_push(&patterns, *name) < 0)
5362 return log_oom();
5363
5364 continue;
5365 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5366 /* Interpret as job id */
5367 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5368 return log_oom();
5369
5370 } else {
5371 /* Interpret as PID */
5372 r = get_unit_dbus_path_by_pid(bus, id, &path);
5373 if (r < 0) {
5374 ret = r;
5375 continue;
5376 }
5377
5378 r = unit_name_from_dbus_path(path, &unit);
5379 if (r < 0)
5380 return log_oom();
5381 }
5382
5383 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5384 if (r < 0)
5385 return r;
5386 else if (r > 0 && ret == 0)
5387 ret = r;
5388 }
5389
5390 if (!strv_isempty(patterns)) {
5391 _cleanup_strv_free_ char **names = NULL;
5392
5393 r = expand_names(bus, patterns, NULL, &names);
5394 if (r < 0)
5395 return log_error_errno(r, "Failed to expand names: %m");
5396
5397 STRV_FOREACH(name, names) {
5398 _cleanup_free_ char *path;
5399
5400 path = unit_dbus_path_from_name(*name);
5401 if (!path)
5402 return log_oom();
5403
5404 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5405 if (r < 0)
5406 return r;
5407 if (r > 0 && ret == 0)
5408 ret = r;
5409 }
5410 }
5411 }
5412
5413 if (ellipsized && !arg_quiet)
5414 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5415
5416 return ret;
5417 }
5418
5419 static int cat(int argc, char *argv[], void *userdata) {
5420 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5421 _cleanup_strv_free_ char **names = NULL;
5422 char **name;
5423 sd_bus *bus;
5424 bool first = true;
5425 int r;
5426
5427 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5428 log_error("Cannot remotely cat units.");
5429 return -EINVAL;
5430 }
5431
5432 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5433 if (r < 0)
5434 return log_error_errno(r, "Failed to determine unit paths: %m");
5435
5436 r = acquire_bus(BUS_MANAGER, &bus);
5437 if (r < 0)
5438 return r;
5439
5440 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5441 if (r < 0)
5442 return log_error_errno(r, "Failed to expand names: %m");
5443
5444 (void) pager_open(arg_pager_flags);
5445
5446 STRV_FOREACH(name, names) {
5447 _cleanup_free_ char *fragment_path = NULL;
5448 _cleanup_strv_free_ char **dropin_paths = NULL;
5449
5450 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5451 if (r == -ERFKILL) {
5452 printf("%s# Unit %s is masked%s.\n",
5453 ansi_highlight_magenta(),
5454 *name,
5455 ansi_normal());
5456 continue;
5457 }
5458 if (r == -EKEYREJECTED) {
5459 printf("%s# Unit %s could not be loaded.%s\n",
5460 ansi_highlight_magenta(),
5461 *name,
5462 ansi_normal());
5463 continue;
5464 }
5465 if (r < 0)
5466 return r;
5467 if (r == 0)
5468 return -ENOENT;
5469
5470 if (first)
5471 first = false;
5472 else
5473 puts("");
5474
5475 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5476 fprintf(stderr,
5477 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5478 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5479 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5480 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5481 ansi_highlight_red(),
5482 *name,
5483 ansi_highlight_red(),
5484 ansi_highlight_red(),
5485 ansi_highlight_red(),
5486 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5487 ansi_normal());
5488
5489 r = cat_files(fragment_path, dropin_paths, 0);
5490 if (r < 0)
5491 return r;
5492 }
5493
5494 return 0;
5495 }
5496
5497 static int set_property(int argc, char *argv[], void *userdata) {
5498 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5499 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5500 _cleanup_free_ char *n = NULL;
5501 UnitType t;
5502 sd_bus *bus;
5503 int r;
5504
5505 r = acquire_bus(BUS_MANAGER, &bus);
5506 if (r < 0)
5507 return r;
5508
5509 polkit_agent_open_maybe();
5510
5511 r = sd_bus_message_new_method_call(
5512 bus,
5513 &m,
5514 "org.freedesktop.systemd1",
5515 "/org/freedesktop/systemd1",
5516 "org.freedesktop.systemd1.Manager",
5517 "SetUnitProperties");
5518 if (r < 0)
5519 return bus_log_create_error(r);
5520
5521 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5522 if (r < 0)
5523 return log_error_errno(r, "Failed to mangle unit name: %m");
5524
5525 t = unit_name_to_type(n);
5526 if (t < 0) {
5527 log_error("Invalid unit type: %s", n);
5528 return -EINVAL;
5529 }
5530
5531 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5532 if (r < 0)
5533 return bus_log_create_error(r);
5534
5535 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5536 if (r < 0)
5537 return bus_log_create_error(r);
5538
5539 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5540 if (r < 0)
5541 return r;
5542
5543 r = sd_bus_message_close_container(m);
5544 if (r < 0)
5545 return bus_log_create_error(r);
5546
5547 r = sd_bus_call(bus, m, 0, &error, NULL);
5548 if (r < 0)
5549 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5550
5551 return 0;
5552 }
5553
5554 static int daemon_reload(int argc, char *argv[], void *userdata) {
5555 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5556 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5557 const char *method;
5558 sd_bus *bus;
5559 int r;
5560
5561 r = acquire_bus(BUS_MANAGER, &bus);
5562 if (r < 0)
5563 return r;
5564
5565 polkit_agent_open_maybe();
5566
5567 switch (arg_action) {
5568
5569 case ACTION_RELOAD:
5570 method = "Reload";
5571 break;
5572
5573 case ACTION_REEXEC:
5574 method = "Reexecute";
5575 break;
5576
5577 case ACTION_SYSTEMCTL:
5578 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5579 /* "daemon-reload" */ "Reload";
5580 break;
5581
5582 default:
5583 assert_not_reached("Unexpected action");
5584 }
5585
5586 r = sd_bus_message_new_method_call(
5587 bus,
5588 &m,
5589 "org.freedesktop.systemd1",
5590 "/org/freedesktop/systemd1",
5591 "org.freedesktop.systemd1.Manager",
5592 method);
5593 if (r < 0)
5594 return bus_log_create_error(r);
5595
5596 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5597 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5598 * their timeout, and for everything else there's the same time budget in place. */
5599
5600 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5601
5602 /* On reexecution, we expect a disconnect, not a reply */
5603 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
5604 r = 0;
5605
5606 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5607 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
5608
5609 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5610 * old ways of doing things, hence don't log any error in that case here. */
5611
5612 return r < 0 ? r : 0;
5613 }
5614
5615 static int trivial_method(int argc, char *argv[], void *userdata) {
5616 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5617 const char *method;
5618 sd_bus *bus;
5619 int r;
5620
5621 if (arg_dry_run)
5622 return 0;
5623
5624 r = acquire_bus(BUS_MANAGER, &bus);
5625 if (r < 0)
5626 return r;
5627
5628 polkit_agent_open_maybe();
5629
5630 method =
5631 streq(argv[0], "clear-jobs") ||
5632 streq(argv[0], "cancel") ? "ClearJobs" :
5633 streq(argv[0], "reset-failed") ? "ResetFailed" :
5634 streq(argv[0], "halt") ? "Halt" :
5635 streq(argv[0], "reboot") ? "Reboot" :
5636 streq(argv[0], "kexec") ? "KExec" :
5637 streq(argv[0], "exit") ? "Exit" :
5638 /* poweroff */ "PowerOff";
5639
5640 r = sd_bus_call_method(
5641 bus,
5642 "org.freedesktop.systemd1",
5643 "/org/freedesktop/systemd1",
5644 "org.freedesktop.systemd1.Manager",
5645 method,
5646 &error,
5647 NULL,
5648 NULL);
5649 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5650 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
5651
5652 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5653 * old ways of doing things, hence don't log any error in that case here. */
5654
5655 return r < 0 ? r : 0;
5656 }
5657
5658 static int reset_failed(int argc, char *argv[], void *userdata) {
5659 _cleanup_strv_free_ char **names = NULL;
5660 sd_bus *bus;
5661 char **name;
5662 int r, q;
5663
5664 if (argc <= 1)
5665 return trivial_method(argc, argv, userdata);
5666
5667 r = acquire_bus(BUS_MANAGER, &bus);
5668 if (r < 0)
5669 return r;
5670
5671 polkit_agent_open_maybe();
5672
5673 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5674 if (r < 0)
5675 return log_error_errno(r, "Failed to expand names: %m");
5676
5677 STRV_FOREACH(name, names) {
5678 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5679
5680 q = sd_bus_call_method(
5681 bus,
5682 "org.freedesktop.systemd1",
5683 "/org/freedesktop/systemd1",
5684 "org.freedesktop.systemd1.Manager",
5685 "ResetFailedUnit",
5686 &error,
5687 NULL,
5688 "s", *name);
5689 if (q < 0) {
5690 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
5691 if (r == 0)
5692 r = q;
5693 }
5694 }
5695
5696 return r;
5697 }
5698
5699 static int print_variable(const char *s) {
5700 const char *sep;
5701 _cleanup_free_ char *esc = NULL;
5702
5703 sep = strchr(s, '=');
5704 if (!sep)
5705 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
5706 "Invalid environment block");
5707
5708 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
5709 if (!esc)
5710 return log_oom();
5711
5712 printf("%.*s=%s\n", (int)(sep-s), s, esc);
5713 return 0;
5714 }
5715
5716 static int show_environment(int argc, char *argv[], void *userdata) {
5717 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5718 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5719 const char *text;
5720 sd_bus *bus;
5721 int r;
5722
5723 r = acquire_bus(BUS_MANAGER, &bus);
5724 if (r < 0)
5725 return r;
5726
5727 (void) pager_open(arg_pager_flags);
5728
5729 r = sd_bus_get_property(
5730 bus,
5731 "org.freedesktop.systemd1",
5732 "/org/freedesktop/systemd1",
5733 "org.freedesktop.systemd1.Manager",
5734 "Environment",
5735 &error,
5736 &reply,
5737 "as");
5738 if (r < 0)
5739 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
5740
5741 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
5742 if (r < 0)
5743 return bus_log_parse_error(r);
5744
5745 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
5746 r = print_variable(text);
5747 if (r < 0)
5748 return r;
5749 }
5750 if (r < 0)
5751 return bus_log_parse_error(r);
5752
5753 r = sd_bus_message_exit_container(reply);
5754 if (r < 0)
5755 return bus_log_parse_error(r);
5756
5757 return 0;
5758 }
5759
5760 static int switch_root(int argc, char *argv[], void *userdata) {
5761 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5762 _cleanup_free_ char *cmdline_init = NULL;
5763 const char *root, *init;
5764 sd_bus *bus;
5765 int r;
5766
5767 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5768 log_error("Cannot switch root remotely.");
5769 return -EINVAL;
5770 }
5771
5772 if (argc < 2 || argc > 3) {
5773 log_error("Wrong number of arguments.");
5774 return -EINVAL;
5775 }
5776
5777 root = argv[1];
5778
5779 if (argc >= 3)
5780 init = argv[2];
5781 else {
5782 r = proc_cmdline_get_key("init", 0, &cmdline_init);
5783 if (r < 0)
5784 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
5785
5786 init = cmdline_init;
5787 }
5788
5789 init = empty_to_null(init);
5790 if (init) {
5791 const char *root_systemd_path = NULL, *root_init_path = NULL;
5792
5793 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
5794 root_init_path = strjoina(root, "/", init);
5795
5796 /* If the passed init is actually the same as the
5797 * systemd binary, then let's suppress it. */
5798 if (files_same(root_init_path, root_systemd_path, 0) > 0)
5799 init = NULL;
5800 }
5801
5802 /* Instruct PID1 to exclude us from its killing spree applied during
5803 * the transition. Otherwise we would exit with a failure status even
5804 * though the switch to the new root has succeed. */
5805 argv_cmdline[0] = '@';
5806
5807 r = acquire_bus(BUS_MANAGER, &bus);
5808 if (r < 0)
5809 return r;
5810
5811 /* If we are slow to exit after the root switch, the new systemd instance
5812 * will send us a signal to terminate. Just ignore it and exit normally.
5813 * This way the unit does not end up as failed.
5814 */
5815 r = ignore_signals(SIGTERM, -1);
5816 if (r < 0)
5817 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
5818
5819 log_debug("Switching root - root: %s; init: %s", root, strna(init));
5820
5821 r = sd_bus_call_method(
5822 bus,
5823 "org.freedesktop.systemd1",
5824 "/org/freedesktop/systemd1",
5825 "org.freedesktop.systemd1.Manager",
5826 "SwitchRoot",
5827 &error,
5828 NULL,
5829 "ss", root, init);
5830 if (r < 0) {
5831 (void) default_signals(SIGTERM, -1);
5832
5833 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
5834 }
5835
5836 return 0;
5837 }
5838
5839 static int set_environment(int argc, char *argv[], void *userdata) {
5840 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5841 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5842 const char *method;
5843 sd_bus *bus;
5844 int r;
5845
5846 assert(argc > 1);
5847 assert(argv);
5848
5849 r = acquire_bus(BUS_MANAGER, &bus);
5850 if (r < 0)
5851 return r;
5852
5853 polkit_agent_open_maybe();
5854
5855 method = streq(argv[0], "set-environment")
5856 ? "SetEnvironment"
5857 : "UnsetEnvironment";
5858
5859 r = sd_bus_message_new_method_call(
5860 bus,
5861 &m,
5862 "org.freedesktop.systemd1",
5863 "/org/freedesktop/systemd1",
5864 "org.freedesktop.systemd1.Manager",
5865 method);
5866 if (r < 0)
5867 return bus_log_create_error(r);
5868
5869 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
5870 if (r < 0)
5871 return bus_log_create_error(r);
5872
5873 r = sd_bus_call(bus, m, 0, &error, NULL);
5874 if (r < 0)
5875 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
5876
5877 return 0;
5878 }
5879
5880 static int import_environment(int argc, char *argv[], void *userdata) {
5881 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5882 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5883 sd_bus *bus;
5884 int r;
5885
5886 r = acquire_bus(BUS_MANAGER, &bus);
5887 if (r < 0)
5888 return r;
5889
5890 polkit_agent_open_maybe();
5891
5892 r = sd_bus_message_new_method_call(
5893 bus,
5894 &m,
5895 "org.freedesktop.systemd1",
5896 "/org/freedesktop/systemd1",
5897 "org.freedesktop.systemd1.Manager",
5898 "SetEnvironment");
5899 if (r < 0)
5900 return bus_log_create_error(r);
5901
5902 if (argc < 2)
5903 r = sd_bus_message_append_strv(m, environ);
5904 else {
5905 char **a, **b;
5906
5907 r = sd_bus_message_open_container(m, 'a', "s");
5908 if (r < 0)
5909 return bus_log_create_error(r);
5910
5911 STRV_FOREACH(a, strv_skip(argv, 1)) {
5912
5913 if (!env_name_is_valid(*a)) {
5914 log_error("Not a valid environment variable name: %s", *a);
5915 return -EINVAL;
5916 }
5917
5918 STRV_FOREACH(b, environ) {
5919 const char *eq;
5920
5921 eq = startswith(*b, *a);
5922 if (eq && *eq == '=') {
5923
5924 r = sd_bus_message_append(m, "s", *b);
5925 if (r < 0)
5926 return bus_log_create_error(r);
5927
5928 break;
5929 }
5930 }
5931 }
5932
5933 r = sd_bus_message_close_container(m);
5934 }
5935 if (r < 0)
5936 return bus_log_create_error(r);
5937
5938 r = sd_bus_call(bus, m, 0, &error, NULL);
5939 if (r < 0)
5940 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
5941
5942 return 0;
5943 }
5944
5945 static int enable_sysv_units(const char *verb, char **args) {
5946 int r = 0;
5947
5948 #if HAVE_SYSV_COMPAT
5949 _cleanup_(lookup_paths_free) LookupPaths paths = {};
5950 unsigned f = 0;
5951
5952 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
5953
5954 if (arg_scope != UNIT_FILE_SYSTEM)
5955 return 0;
5956
5957 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
5958 return 0;
5959
5960 if (!STR_IN_SET(verb,
5961 "enable",
5962 "disable",
5963 "is-enabled"))
5964 return 0;
5965
5966 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
5967 if (r < 0)
5968 return r;
5969
5970 r = 0;
5971 while (args[f]) {
5972
5973 const char *argv[] = {
5974 ROOTLIBEXECDIR "/systemd-sysv-install",
5975 NULL,
5976 NULL,
5977 NULL,
5978 NULL,
5979 };
5980
5981 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5982 bool found_native = false, found_sysv;
5983 const char *name;
5984 unsigned c = 1;
5985 pid_t pid;
5986 int j;
5987
5988 name = args[f++];
5989
5990 if (!endswith(name, ".service"))
5991 continue;
5992
5993 if (path_is_absolute(name))
5994 continue;
5995
5996 j = unit_file_exists(arg_scope, &paths, name);
5997 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
5998 return log_error_errno(j, "Failed to lookup unit file state: %m");
5999 found_native = j != 0;
6000
6001 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6002 * prefer the native unit */
6003 if (found_native && streq(verb, "is-enabled"))
6004 continue;
6005
6006 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6007 if (!p)
6008 return log_oom();
6009
6010 p[strlen(p) - STRLEN(".service")] = 0;
6011 found_sysv = access(p, F_OK) >= 0;
6012 if (!found_sysv)
6013 continue;
6014
6015 if (!arg_quiet) {
6016 if (found_native)
6017 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6018 else
6019 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6020 }
6021
6022 if (!isempty(arg_root))
6023 argv[c++] = q = strappend("--root=", arg_root);
6024
6025 argv[c++] = verb;
6026 argv[c++] = basename(p);
6027 argv[c] = NULL;
6028
6029 l = strv_join((char**)argv, " ");
6030 if (!l)
6031 return log_oom();
6032
6033 if (!arg_quiet)
6034 log_info("Executing: %s", l);
6035
6036 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6037 if (j < 0)
6038 return j;
6039 if (j == 0) {
6040 /* Child */
6041 execv(argv[0], (char**) argv);
6042 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6043 _exit(EXIT_FAILURE);
6044 }
6045
6046 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6047 if (j < 0)
6048 return j;
6049 if (streq(verb, "is-enabled")) {
6050 if (j == EXIT_SUCCESS) {
6051 if (!arg_quiet)
6052 puts("enabled");
6053 r = 1;
6054 } else {
6055 if (!arg_quiet)
6056 puts("disabled");
6057 }
6058
6059 } else if (j != EXIT_SUCCESS)
6060 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6061
6062 if (found_native)
6063 continue;
6064
6065 /* Remove this entry, so that we don't try enabling it as native unit */
6066 assert(f > 0);
6067 f--;
6068 assert(args[f] == name);
6069 strv_remove(args, name);
6070 }
6071
6072 #endif
6073 return r;
6074 }
6075
6076 static int mangle_names(char **original_names, char ***mangled_names) {
6077 char **i, **l, **name;
6078 int r;
6079
6080 l = i = new(char*, strv_length(original_names) + 1);
6081 if (!l)
6082 return log_oom();
6083
6084 STRV_FOREACH(name, original_names) {
6085
6086 /* When enabling units qualified path names are OK,
6087 * too, hence allow them explicitly. */
6088
6089 if (is_path(*name)) {
6090 *i = strdup(*name);
6091 if (!*i) {
6092 strv_free(l);
6093 return log_oom();
6094 }
6095 } else {
6096 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6097 if (r < 0) {
6098 *i = NULL;
6099 strv_free(l);
6100 return log_error_errno(r, "Failed to mangle unit name: %m");
6101 }
6102 }
6103
6104 i++;
6105 }
6106
6107 *i = NULL;
6108 *mangled_names = l;
6109
6110 return 0;
6111 }
6112
6113 static int normalize_filenames(char **names) {
6114 char **u;
6115 int r;
6116
6117 STRV_FOREACH(u, names)
6118 if (!path_is_absolute(*u)) {
6119 char* normalized_path;
6120
6121 if (!isempty(arg_root))
6122 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6123 "Non-absolute paths are not allowed when --root is used: %s",
6124 *u);
6125
6126 if (!strchr(*u,'/'))
6127 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6128 "Link argument does contain at least one directory separator: %s",
6129 *u);
6130
6131 r = path_make_absolute_cwd(*u, &normalized_path);
6132 if (r < 0)
6133 return r;
6134
6135 free_and_replace(*u, normalized_path);
6136 }
6137
6138 return 0;
6139 }
6140
6141 static int normalize_names(char **names, bool warn_if_path) {
6142 char **u;
6143 bool was_path = false;
6144
6145 STRV_FOREACH(u, names) {
6146 int r;
6147
6148 if (!is_path(*u))
6149 continue;
6150
6151 r = free_and_strdup(u, basename(*u));
6152 if (r < 0)
6153 return log_error_errno(r, "Failed to normalize unit file path: %m");
6154
6155 was_path = true;
6156 }
6157
6158 if (warn_if_path && was_path)
6159 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6160
6161 return 0;
6162 }
6163
6164 static int unit_exists(LookupPaths *lp, const char *unit) {
6165 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6166 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6167 _cleanup_free_ char *path = NULL;
6168 static const struct bus_properties_map property_map[] = {
6169 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6170 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6171 {},
6172 };
6173 UnitStatusInfo info = {};
6174 sd_bus *bus;
6175 int r;
6176
6177 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6178 return unit_find_template_path(unit, lp, NULL, NULL);
6179
6180 path = unit_dbus_path_from_name(unit);
6181 if (!path)
6182 return log_oom();
6183
6184 r = acquire_bus(BUS_MANAGER, &bus);
6185 if (r < 0)
6186 return r;
6187
6188 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6189 if (r < 0)
6190 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6191
6192 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6193 }
6194
6195 static int enable_unit(int argc, char *argv[], void *userdata) {
6196 _cleanup_strv_free_ char **names = NULL;
6197 const char *verb = argv[0];
6198 UnitFileChange *changes = NULL;
6199 size_t n_changes = 0;
6200 int carries_install_info = -1;
6201 bool ignore_carries_install_info = arg_quiet;
6202 int r;
6203
6204 if (!argv[1])
6205 return 0;
6206
6207 r = mangle_names(strv_skip(argv, 1), &names);
6208 if (r < 0)
6209 return r;
6210
6211 r = enable_sysv_units(verb, names);
6212 if (r < 0)
6213 return r;
6214
6215 /* If the operation was fully executed by the SysV compat, let's finish early */
6216 if (strv_isempty(names)) {
6217 if (arg_no_reload || install_client_side())
6218 return 0;
6219 return daemon_reload(argc, argv, userdata);
6220 }
6221
6222 if (streq(verb, "disable")) {
6223 r = normalize_names(names, true);
6224 if (r < 0)
6225 return r;
6226 }
6227
6228 if (streq(verb, "link")) {
6229 r = normalize_filenames(names);
6230 if (r < 0)
6231 return r;
6232 }
6233
6234 if (install_client_side()) {
6235 UnitFileFlags flags;
6236
6237 flags = args_to_flags();
6238 if (streq(verb, "enable")) {
6239 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6240 carries_install_info = r;
6241 } else if (streq(verb, "disable"))
6242 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6243 else if (streq(verb, "reenable")) {
6244 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6245 carries_install_info = r;
6246 } else if (streq(verb, "link"))
6247 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6248 else if (streq(verb, "preset")) {
6249 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6250 } else if (streq(verb, "mask"))
6251 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6252 else if (streq(verb, "unmask"))
6253 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6254 else if (streq(verb, "revert"))
6255 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6256 else
6257 assert_not_reached("Unknown verb");
6258
6259 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6260 if (r < 0)
6261 goto finish;
6262 r = 0;
6263 } else {
6264 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6265 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6266 bool expect_carries_install_info = false;
6267 bool send_runtime = true, send_force = true, send_preset_mode = false;
6268 const char *method;
6269 sd_bus *bus;
6270
6271 if (STR_IN_SET(verb, "mask", "unmask")) {
6272 char **name;
6273 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6274
6275 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6276 if (r < 0)
6277 return r;
6278
6279 STRV_FOREACH(name, names) {
6280 r = unit_exists(&lp, *name);
6281 if (r < 0)
6282 return r;
6283 if (r == 0)
6284 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6285 }
6286 }
6287
6288 r = acquire_bus(BUS_MANAGER, &bus);
6289 if (r < 0)
6290 return r;
6291
6292 polkit_agent_open_maybe();
6293
6294 if (streq(verb, "enable")) {
6295 method = "EnableUnitFiles";
6296 expect_carries_install_info = true;
6297 } else if (streq(verb, "disable")) {
6298 method = "DisableUnitFiles";
6299 send_force = false;
6300 } else if (streq(verb, "reenable")) {
6301 method = "ReenableUnitFiles";
6302 expect_carries_install_info = true;
6303 } else if (streq(verb, "link"))
6304 method = "LinkUnitFiles";
6305 else if (streq(verb, "preset")) {
6306
6307 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6308 method = "PresetUnitFilesWithMode";
6309 send_preset_mode = true;
6310 } else
6311 method = "PresetUnitFiles";
6312
6313 expect_carries_install_info = true;
6314 ignore_carries_install_info = true;
6315 } else if (streq(verb, "mask"))
6316 method = "MaskUnitFiles";
6317 else if (streq(verb, "unmask")) {
6318 method = "UnmaskUnitFiles";
6319 send_force = false;
6320 } else if (streq(verb, "revert")) {
6321 method = "RevertUnitFiles";
6322 send_runtime = send_force = false;
6323 } else
6324 assert_not_reached("Unknown verb");
6325
6326 r = sd_bus_message_new_method_call(
6327 bus,
6328 &m,
6329 "org.freedesktop.systemd1",
6330 "/org/freedesktop/systemd1",
6331 "org.freedesktop.systemd1.Manager",
6332 method);
6333 if (r < 0)
6334 return bus_log_create_error(r);
6335
6336 r = sd_bus_message_append_strv(m, names);
6337 if (r < 0)
6338 return bus_log_create_error(r);
6339
6340 if (send_preset_mode) {
6341 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6342 if (r < 0)
6343 return bus_log_create_error(r);
6344 }
6345
6346 if (send_runtime) {
6347 r = sd_bus_message_append(m, "b", arg_runtime);
6348 if (r < 0)
6349 return bus_log_create_error(r);
6350 }
6351
6352 if (send_force) {
6353 r = sd_bus_message_append(m, "b", arg_force);
6354 if (r < 0)
6355 return bus_log_create_error(r);
6356 }
6357
6358 r = sd_bus_call(bus, m, 0, &error, &reply);
6359 if (r < 0)
6360 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6361
6362 if (expect_carries_install_info) {
6363 r = sd_bus_message_read(reply, "b", &carries_install_info);
6364 if (r < 0)
6365 return bus_log_parse_error(r);
6366 }
6367
6368 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6369 if (r < 0)
6370 goto finish;
6371
6372 /* Try to reload if enabled */
6373 if (!arg_no_reload)
6374 r = daemon_reload(argc, argv, userdata);
6375 else
6376 r = 0;
6377 }
6378
6379 if (carries_install_info == 0 && !ignore_carries_install_info)
6380 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6381 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6382 "units). This means they are not meant to be enabled using systemctl.\n \n"
6383 "Possible reasons for having this kind of units are:\n"
6384 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6385 " .wants/ or .requires/ directory.\n"
6386 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6387 " a requirement dependency on it.\n"
6388 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6389 " D-Bus, udev, scripted systemctl call, ...).\n"
6390 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6391 " instance name specified.",
6392 special_glyph(BULLET));
6393
6394 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6395 sd_bus *bus;
6396 size_t len, i;
6397
6398 r = acquire_bus(BUS_MANAGER, &bus);
6399 if (r < 0)
6400 goto finish;
6401
6402 len = strv_length(names);
6403 {
6404 char *new_args[len + 2];
6405
6406 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6407 for (i = 0; i < len; i++)
6408 new_args[i + 1] = basename(names[i]);
6409 new_args[i + 1] = NULL;
6410
6411 r = start_unit(len + 1, new_args, userdata);
6412 }
6413 }
6414
6415 finish:
6416 unit_file_changes_free(changes, n_changes);
6417
6418 return r;
6419 }
6420
6421 static int add_dependency(int argc, char *argv[], void *userdata) {
6422 _cleanup_strv_free_ char **names = NULL;
6423 _cleanup_free_ char *target = NULL;
6424 const char *verb = argv[0];
6425 UnitFileChange *changes = NULL;
6426 size_t n_changes = 0;
6427 UnitDependency dep;
6428 int r = 0;
6429
6430 if (!argv[1])
6431 return 0;
6432
6433 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6434 if (r < 0)
6435 return log_error_errno(r, "Failed to mangle unit name: %m");
6436
6437 r = mangle_names(strv_skip(argv, 2), &names);
6438 if (r < 0)
6439 return r;
6440
6441 if (streq(verb, "add-wants"))
6442 dep = UNIT_WANTS;
6443 else if (streq(verb, "add-requires"))
6444 dep = UNIT_REQUIRES;
6445 else
6446 assert_not_reached("Unknown verb");
6447
6448 if (install_client_side()) {
6449 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6450 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6451
6452 if (r > 0)
6453 r = 0;
6454 } else {
6455 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6456 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6457 sd_bus *bus;
6458
6459 r = acquire_bus(BUS_MANAGER, &bus);
6460 if (r < 0)
6461 return r;
6462
6463 polkit_agent_open_maybe();
6464
6465 r = sd_bus_message_new_method_call(
6466 bus,
6467 &m,
6468 "org.freedesktop.systemd1",
6469 "/org/freedesktop/systemd1",
6470 "org.freedesktop.systemd1.Manager",
6471 "AddDependencyUnitFiles");
6472 if (r < 0)
6473 return bus_log_create_error(r);
6474
6475 r = sd_bus_message_append_strv(m, names);
6476 if (r < 0)
6477 return bus_log_create_error(r);
6478
6479 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6480 if (r < 0)
6481 return bus_log_create_error(r);
6482
6483 r = sd_bus_call(bus, m, 0, &error, &reply);
6484 if (r < 0)
6485 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6486
6487 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6488 if (r < 0)
6489 goto finish;
6490
6491 if (arg_no_reload) {
6492 r = 0;
6493 goto finish;
6494 }
6495
6496 r = daemon_reload(argc, argv, userdata);
6497 }
6498
6499 finish:
6500 unit_file_changes_free(changes, n_changes);
6501
6502 return r;
6503 }
6504
6505 static int preset_all(int argc, char *argv[], void *userdata) {
6506 UnitFileChange *changes = NULL;
6507 size_t n_changes = 0;
6508 int r;
6509
6510 if (install_client_side()) {
6511 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6512 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6513
6514 if (r > 0)
6515 r = 0;
6516 } else {
6517 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6518 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6519 sd_bus *bus;
6520
6521 r = acquire_bus(BUS_MANAGER, &bus);
6522 if (r < 0)
6523 return r;
6524
6525 polkit_agent_open_maybe();
6526
6527 r = sd_bus_call_method(
6528 bus,
6529 "org.freedesktop.systemd1",
6530 "/org/freedesktop/systemd1",
6531 "org.freedesktop.systemd1.Manager",
6532 "PresetAllUnitFiles",
6533 &error,
6534 &reply,
6535 "sbb",
6536 unit_file_preset_mode_to_string(arg_preset_mode),
6537 arg_runtime,
6538 arg_force);
6539 if (r < 0)
6540 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6541
6542 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6543 if (r < 0)
6544 goto finish;
6545
6546 if (arg_no_reload) {
6547 r = 0;
6548 goto finish;
6549 }
6550
6551 r = daemon_reload(argc, argv, userdata);
6552 }
6553
6554 finish:
6555 unit_file_changes_free(changes, n_changes);
6556
6557 return r;
6558 }
6559
6560 static int show_installation_targets_client_side(const char *name) {
6561 UnitFileChange *changes = NULL;
6562 size_t n_changes = 0, i;
6563 UnitFileFlags flags;
6564 char **p;
6565 int r;
6566
6567 p = STRV_MAKE(name);
6568 flags = UNIT_FILE_DRY_RUN |
6569 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6570
6571 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6572 if (r < 0)
6573 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6574
6575 for (i = 0; i < n_changes; i++)
6576 if (changes[i].type == UNIT_FILE_UNLINK)
6577 printf(" %s\n", changes[i].path);
6578
6579 return 0;
6580 }
6581
6582 static int show_installation_targets(sd_bus *bus, const char *name) {
6583 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6584 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6585 const char *link;
6586 int r;
6587
6588 r = sd_bus_call_method(
6589 bus,
6590 "org.freedesktop.systemd1",
6591 "/org/freedesktop/systemd1",
6592 "org.freedesktop.systemd1.Manager",
6593 "GetUnitFileLinks",
6594 &error,
6595 &reply,
6596 "sb", name, arg_runtime);
6597 if (r < 0)
6598 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
6599
6600 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6601 if (r < 0)
6602 return bus_log_parse_error(r);
6603
6604 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
6605 printf(" %s\n", link);
6606
6607 if (r < 0)
6608 return bus_log_parse_error(r);
6609
6610 r = sd_bus_message_exit_container(reply);
6611 if (r < 0)
6612 return bus_log_parse_error(r);
6613
6614 return 0;
6615 }
6616
6617 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
6618 _cleanup_strv_free_ char **names = NULL;
6619 bool enabled;
6620 char **name;
6621 int r;
6622
6623 r = mangle_names(strv_skip(argv, 1), &names);
6624 if (r < 0)
6625 return r;
6626
6627 r = enable_sysv_units(argv[0], names);
6628 if (r < 0)
6629 return r;
6630
6631 enabled = r > 0;
6632
6633 if (install_client_side()) {
6634 STRV_FOREACH(name, names) {
6635 UnitFileState state;
6636
6637 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
6638 if (r < 0)
6639 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
6640
6641 if (IN_SET(state,
6642 UNIT_FILE_ENABLED,
6643 UNIT_FILE_ENABLED_RUNTIME,
6644 UNIT_FILE_STATIC,
6645 UNIT_FILE_INDIRECT,
6646 UNIT_FILE_GENERATED))
6647 enabled = true;
6648
6649 if (!arg_quiet) {
6650 puts(unit_file_state_to_string(state));
6651 if (arg_full) {
6652 r = show_installation_targets_client_side(*name);
6653 if (r < 0)
6654 return r;
6655 }
6656 }
6657 }
6658
6659 r = 0;
6660 } else {
6661 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6662 sd_bus *bus;
6663
6664 r = acquire_bus(BUS_MANAGER, &bus);
6665 if (r < 0)
6666 return r;
6667
6668 STRV_FOREACH(name, names) {
6669 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6670 const char *s;
6671
6672 r = sd_bus_call_method(
6673 bus,
6674 "org.freedesktop.systemd1",
6675 "/org/freedesktop/systemd1",
6676 "org.freedesktop.systemd1.Manager",
6677 "GetUnitFileState",
6678 &error,
6679 &reply,
6680 "s", *name);
6681 if (r < 0)
6682 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
6683
6684 r = sd_bus_message_read(reply, "s", &s);
6685 if (r < 0)
6686 return bus_log_parse_error(r);
6687
6688 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
6689 enabled = true;
6690
6691 if (!arg_quiet) {
6692 puts(s);
6693 if (arg_full) {
6694 r = show_installation_targets(bus, *name);
6695 if (r < 0)
6696 return r;
6697 }
6698 }
6699 }
6700 }
6701
6702 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
6703 }
6704
6705 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
6706 char **state = userdata;
6707 int r;
6708
6709 assert(state);
6710
6711 r = sd_bus_get_property_string(
6712 sd_bus_message_get_bus(m),
6713 "org.freedesktop.systemd1",
6714 "/org/freedesktop/systemd1",
6715 "org.freedesktop.systemd1.Manager",
6716 "SystemState",
6717 NULL,
6718 state);
6719
6720 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
6721 return 0;
6722 }
6723
6724 static int is_system_running(int argc, char *argv[], void *userdata) {
6725 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6726 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
6727 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
6728 _cleanup_free_ char *state = NULL;
6729 sd_bus *bus;
6730 int r;
6731
6732 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
6733 if (!arg_quiet)
6734 puts("offline");
6735 return EXIT_FAILURE;
6736 }
6737
6738 r = acquire_bus(BUS_MANAGER, &bus);
6739 if (r < 0)
6740 return r;
6741
6742 if (arg_wait) {
6743 r = sd_event_default(&event);
6744 if (r >= 0)
6745 r = sd_bus_attach_event(bus, event, 0);
6746 if (r >= 0)
6747 r = sd_bus_match_signal_async(
6748 bus,
6749 &slot_startup_finished,
6750 "org.freedesktop.systemd1",
6751 "/org/freedesktop/systemd1",
6752 "org.freedesktop.systemd1.Manager",
6753 "StartupFinished",
6754 match_startup_finished, NULL, &state);
6755 if (r < 0) {
6756 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
6757 arg_wait = false;
6758 }
6759 }
6760
6761 r = sd_bus_get_property_string(
6762 bus,
6763 "org.freedesktop.systemd1",
6764 "/org/freedesktop/systemd1",
6765 "org.freedesktop.systemd1.Manager",
6766 "SystemState",
6767 &error,
6768 &state);
6769 if (r < 0) {
6770 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
6771
6772 if (!arg_quiet)
6773 puts("unknown");
6774 return EXIT_FAILURE;
6775 }
6776
6777 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
6778 r = sd_event_loop(event);
6779 if (r < 0) {
6780 log_warning_errno(r, "Failed to get property from event loop: %m");
6781 if (!arg_quiet)
6782 puts("unknown");
6783 return EXIT_FAILURE;
6784 }
6785 }
6786
6787 if (!arg_quiet)
6788 puts(state);
6789
6790 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
6791 }
6792
6793 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
6794 _cleanup_free_ char *t = NULL;
6795 int r;
6796
6797 assert(new_path);
6798 assert(original_path);
6799 assert(ret_tmp_fn);
6800
6801 r = tempfn_random(new_path, NULL, &t);
6802 if (r < 0)
6803 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
6804
6805 r = mkdir_parents(new_path, 0755);
6806 if (r < 0)
6807 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
6808
6809 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
6810 if (r == -ENOENT) {
6811
6812 r = touch(t);
6813 if (r < 0)
6814 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
6815
6816 } else if (r < 0)
6817 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
6818
6819 *ret_tmp_fn = TAKE_PTR(t);
6820
6821 return 0;
6822 }
6823
6824 static int get_file_to_edit(
6825 const LookupPaths *paths,
6826 const char *name,
6827 char **ret_path) {
6828
6829 _cleanup_free_ char *path = NULL, *run = NULL;
6830
6831 assert(name);
6832 assert(ret_path);
6833
6834 path = strjoin(paths->persistent_config, "/", name);
6835 if (!path)
6836 return log_oom();
6837
6838 if (arg_runtime) {
6839 run = strjoin(paths->runtime_config, "/", name);
6840 if (!run)
6841 return log_oom();
6842 }
6843
6844 if (arg_runtime) {
6845 if (access(path, F_OK) >= 0)
6846 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
6847 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
6848 run, path);
6849
6850 *ret_path = TAKE_PTR(run);
6851 } else
6852 *ret_path = TAKE_PTR(path);
6853
6854 return 0;
6855 }
6856
6857 static int unit_file_create_new(
6858 const LookupPaths *paths,
6859 const char *unit_name,
6860 const char *suffix,
6861 char **ret_new_path,
6862 char **ret_tmp_path) {
6863
6864 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
6865 const char *ending;
6866 int r;
6867
6868 assert(unit_name);
6869 assert(ret_new_path);
6870 assert(ret_tmp_path);
6871
6872 ending = strjoina(unit_name, suffix);
6873 r = get_file_to_edit(paths, ending, &new_path);
6874 if (r < 0)
6875 return r;
6876
6877 r = create_edit_temp_file(new_path, new_path, &tmp_path);
6878 if (r < 0)
6879 return r;
6880
6881 *ret_new_path = TAKE_PTR(new_path);
6882 *ret_tmp_path = TAKE_PTR(tmp_path);
6883
6884 return 0;
6885 }
6886
6887 static int unit_file_create_copy(
6888 const LookupPaths *paths,
6889 const char *unit_name,
6890 const char *fragment_path,
6891 char **ret_new_path,
6892 char **ret_tmp_path) {
6893
6894 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
6895 int r;
6896
6897 assert(fragment_path);
6898 assert(unit_name);
6899 assert(ret_new_path);
6900 assert(ret_tmp_path);
6901
6902 r = get_file_to_edit(paths, unit_name, &new_path);
6903 if (r < 0)
6904 return r;
6905
6906 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
6907 char response;
6908
6909 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
6910 if (r < 0)
6911 return r;
6912 if (response != 'y')
6913 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
6914 }
6915
6916 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
6917 if (r < 0)
6918 return r;
6919
6920 *ret_new_path = TAKE_PTR(new_path);
6921 *ret_tmp_path = TAKE_PTR(tmp_path);
6922
6923 return 0;
6924 }
6925
6926 static int run_editor(char **paths) {
6927 int r;
6928
6929 assert(paths);
6930
6931 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
6932 if (r < 0)
6933 return r;
6934 if (r == 0) {
6935 char **editor_args = NULL, **tmp_path, **original_path, *p;
6936 size_t n_editor_args = 0, i = 1, argc;
6937 const char **args, *editor;
6938
6939 argc = strv_length(paths)/2 + 1;
6940
6941 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
6942 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
6943 * we try to execute well known editors
6944 */
6945 editor = getenv("SYSTEMD_EDITOR");
6946 if (!editor)
6947 editor = getenv("EDITOR");
6948 if (!editor)
6949 editor = getenv("VISUAL");
6950
6951 if (!isempty(editor)) {
6952 editor_args = strv_split(editor, WHITESPACE);
6953 if (!editor_args) {
6954 (void) log_oom();
6955 _exit(EXIT_FAILURE);
6956 }
6957 n_editor_args = strv_length(editor_args);
6958 argc += n_editor_args - 1;
6959 }
6960
6961 args = newa(const char*, argc + 1);
6962
6963 if (n_editor_args > 0) {
6964 args[0] = editor_args[0];
6965 for (; i < n_editor_args; i++)
6966 args[i] = editor_args[i];
6967 }
6968
6969 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
6970 args[i++] = *tmp_path;
6971 args[i] = NULL;
6972
6973 if (n_editor_args > 0)
6974 execvp(args[0], (char* const*) args);
6975
6976 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
6977 args[0] = p;
6978 execvp(p, (char* const*) args);
6979 /* We do not fail if the editor doesn't exist
6980 * because we want to try each one of them before
6981 * failing.
6982 */
6983 if (errno != ENOENT) {
6984 log_error_errno(errno, "Failed to execute %s: %m", editor);
6985 _exit(EXIT_FAILURE);
6986 }
6987 }
6988
6989 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
6990 _exit(EXIT_FAILURE);
6991 }
6992
6993 return 0;
6994 }
6995
6996 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
6997 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6998 char **name;
6999 int r;
7000
7001 assert(names);
7002 assert(paths);
7003
7004 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7005 if (r < 0)
7006 return r;
7007
7008 STRV_FOREACH(name, names) {
7009 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7010 const char *unit_name;
7011
7012 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7013 if (r == -EKEYREJECTED) {
7014 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7015 * file path. In that case, find the file client side. */
7016 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7017 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7018 }
7019 if (r == -ERFKILL)
7020 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7021 if (r < 0)
7022 return r;
7023
7024 if (r == 0) {
7025 assert(!path);
7026
7027 if (!arg_force) {
7028 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7029 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7030 arg_scope == UNIT_FILE_USER ? " --user" : "",
7031 *name);
7032 return -ENOENT;
7033 }
7034
7035 /* Create a new unit from scratch */
7036 unit_name = *name;
7037 r = unit_file_create_new(&lp, unit_name,
7038 arg_full ? NULL : ".d/override.conf",
7039 &new_path, &tmp_path);
7040 } else {
7041 assert(path);
7042
7043 unit_name = basename(path);
7044 /* We follow unit aliases, but we need to propagate the instance */
7045 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7046 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7047 _cleanup_free_ char *instance = NULL;
7048
7049 r = unit_name_to_instance(*name, &instance);
7050 if (r < 0)
7051 return r;
7052
7053 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7054 if (r < 0)
7055 return r;
7056
7057 unit_name = tmp_name;
7058 }
7059
7060 if (arg_full)
7061 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7062 else
7063 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7064 }
7065 if (r < 0)
7066 return r;
7067
7068 r = strv_push_pair(paths, new_path, tmp_path);
7069 if (r < 0)
7070 return log_oom();
7071
7072 new_path = tmp_path = NULL;
7073 }
7074
7075 return 0;
7076 }
7077
7078 static int edit(int argc, char *argv[], void *userdata) {
7079 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7080 _cleanup_strv_free_ char **names = NULL;
7081 _cleanup_strv_free_ char **paths = NULL;
7082 char **original, **tmp;
7083 sd_bus *bus;
7084 int r;
7085
7086 if (!on_tty()) {
7087 log_error("Cannot edit units if not on a tty.");
7088 return -EINVAL;
7089 }
7090
7091 if (arg_transport != BUS_TRANSPORT_LOCAL) {
7092 log_error("Cannot edit units remotely.");
7093 return -EINVAL;
7094 }
7095
7096 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7097 if (r < 0)
7098 return log_error_errno(r, "Failed to determine unit paths: %m");
7099
7100 r = acquire_bus(BUS_MANAGER, &bus);
7101 if (r < 0)
7102 return r;
7103
7104 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7105 if (r < 0)
7106 return log_error_errno(r, "Failed to expand names: %m");
7107
7108 STRV_FOREACH(tmp, names) {
7109 r = unit_is_masked(bus, &lp, *tmp);
7110 if (r < 0)
7111 return r;
7112 if (r > 0) {
7113 log_error("Cannot edit %s: unit is masked.", *tmp);
7114 return -EINVAL;
7115 }
7116 }
7117
7118 r = find_paths_to_edit(bus, names, &paths);
7119 if (r < 0)
7120 return r;
7121
7122 if (strv_isempty(paths))
7123 return -ENOENT;
7124
7125 r = run_editor(paths);
7126 if (r < 0)
7127 goto end;
7128
7129 STRV_FOREACH_PAIR(original, tmp, paths) {
7130 /* If the temporary file is empty we ignore it.
7131 * This allows the user to cancel the modification.
7132 */
7133 if (null_or_empty_path(*tmp)) {
7134 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7135 continue;
7136 }
7137
7138 r = rename(*tmp, *original);
7139 if (r < 0) {
7140 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7141 goto end;
7142 }
7143 }
7144
7145 r = 0;
7146
7147 if (!arg_no_reload && !install_client_side())
7148 r = daemon_reload(argc, argv, userdata);
7149
7150 end:
7151 STRV_FOREACH_PAIR(original, tmp, paths) {
7152 (void) unlink(*tmp);
7153
7154 /* Removing empty dropin dirs */
7155 if (!arg_full) {
7156 _cleanup_free_ char *dir;
7157
7158 dir = dirname_malloc(*original);
7159 if (!dir)
7160 return log_oom();
7161
7162 /* no need to check if the dir is empty, rmdir
7163 * does nothing if it is not the case.
7164 */
7165 (void) rmdir(dir);
7166 }
7167 }
7168
7169 return r;
7170 }
7171
7172 static int systemctl_help(void) {
7173 _cleanup_free_ char *link = NULL;
7174 int r;
7175
7176 (void) pager_open(arg_pager_flags);
7177
7178 r = terminal_urlify_man("systemctl", "1", &link);
7179 if (r < 0)
7180 return log_oom();
7181
7182 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7183 "Query or send control commands to the systemd manager.\n\n"
7184 " -h --help Show this help\n"
7185 " --version Show package version\n"
7186 " --system Connect to system manager\n"
7187 " --user Connect to user service manager\n"
7188 " -H --host=[USER@]HOST\n"
7189 " Operate on remote host\n"
7190 " -M --machine=CONTAINER\n"
7191 " Operate on local container\n"
7192 " -t --type=TYPE List units of a particular type\n"
7193 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7194 " -p --property=NAME Show only properties by this name\n"
7195 " -a --all Show all properties/all units currently in memory,\n"
7196 " including dead/empty ones. To list all units installed on\n"
7197 " the system, use the 'list-unit-files' command instead.\n"
7198 " --failed Same as --state=failed\n"
7199 " -l --full Don't ellipsize unit names on output\n"
7200 " -r --recursive Show unit list of host and local containers\n"
7201 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7202 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7203 " queueing a new job\n"
7204 " --show-types When showing sockets, explicitly show their type\n"
7205 " --value When showing properties, only print the value\n"
7206 " -i --ignore-inhibitors\n"
7207 " When shutting down or sleeping, ignore inhibitors\n"
7208 " --kill-who=WHO Who to send signal to\n"
7209 " -s --signal=SIGNAL Which signal to send\n"
7210 " --now Start or stop unit in addition to enabling or disabling it\n"
7211 " --dry-run Only print what would be done\n"
7212 " -q --quiet Suppress output\n"
7213 " --wait For (re)start, wait until service stopped again\n"
7214 " For is-system-running, wait until startup is completed\n"
7215 " --no-block Do not wait until operation finished\n"
7216 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7217 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7218 " --no-legend Do not print a legend (column headers and hints)\n"
7219 " --no-pager Do not pipe output into a pager\n"
7220 " --no-ask-password\n"
7221 " Do not ask for system passwords\n"
7222 " --global Enable/disable/mask unit files globally\n"
7223 " --runtime Enable/disable/mask unit files temporarily until next\n"
7224 " reboot\n"
7225 " -f --force When enabling unit files, override existing symlinks\n"
7226 " When shutting down, execute action immediately\n"
7227 " --preset-mode= Apply only enable, only disable, or all presets\n"
7228 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7229 " directory\n"
7230 " -n --lines=INTEGER Number of journal entries to show\n"
7231 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7232 " short-iso, short-iso-precise, short-full,\n"
7233 " short-monotonic, short-unix,\n"
7234 " verbose, export, json, json-pretty, json-sse, cat)\n"
7235 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7236 " --plain Print unit dependencies as a list instead of a tree\n\n"
7237 "Unit Commands:\n"
7238 " list-units [PATTERN...] List units currently in memory\n"
7239 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7240 " ordered by address\n"
7241 " list-timers [PATTERN...] List timer units currently in memory,\n"
7242 " ordered by next elapse\n"
7243 " start UNIT... Start (activate) one or more units\n"
7244 " stop UNIT... Stop (deactivate) one or more units\n"
7245 " reload UNIT... Reload one or more units\n"
7246 " restart UNIT... Start or restart one or more units\n"
7247 " try-restart UNIT... Restart one or more units if active\n"
7248 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7249 " otherwise start or restart\n"
7250 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7251 " if supported, otherwise restart\n"
7252 " isolate UNIT Start one unit and stop all others\n"
7253 " kill UNIT... Send signal to processes of a unit\n"
7254 " is-active PATTERN... Check whether units are active\n"
7255 " is-failed PATTERN... Check whether units are failed\n"
7256 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7257 " show [PATTERN...|JOB...] Show properties of one or more\n"
7258 " units/jobs or the manager\n"
7259 " cat PATTERN... Show files and drop-ins of specified units\n"
7260 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7261 " help PATTERN...|PID... Show manual for one or more units\n"
7262 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7263 " units\n"
7264 " list-dependencies [UNIT] Recursively show units which are required\n"
7265 " or wanted by this unit or by which this\n"
7266 " unit is required or wanted\n\n"
7267 "Unit File Commands:\n"
7268 " list-unit-files [PATTERN...] List installed unit files\n"
7269 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7270 " disable UNIT... Disable one or more unit files\n"
7271 " reenable UNIT... Reenable one or more unit files\n"
7272 " preset UNIT... Enable/disable one or more unit files\n"
7273 " based on preset configuration\n"
7274 " preset-all Enable/disable all unit files based on\n"
7275 " preset configuration\n"
7276 " is-enabled UNIT... Check whether unit files are enabled\n"
7277 " mask UNIT... Mask one or more units\n"
7278 " unmask UNIT... Unmask one or more units\n"
7279 " link PATH... Link one or more units files into\n"
7280 " the search path\n"
7281 " revert UNIT... Revert one or more unit files to vendor\n"
7282 " version\n"
7283 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7284 " on specified one or more units\n"
7285 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7286 " on specified one or more units\n"
7287 " edit UNIT... Edit one or more unit files\n"
7288 " get-default Get the name of the default target\n"
7289 " set-default TARGET Set the default target\n\n"
7290 "Machine Commands:\n"
7291 " list-machines [PATTERN...] List local containers and host\n\n"
7292 "Job Commands:\n"
7293 " list-jobs [PATTERN...] List jobs\n"
7294 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7295 "Environment Commands:\n"
7296 " show-environment Dump environment\n"
7297 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7298 " unset-environment VARIABLE... Unset one or more environment variables\n"
7299 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7300 "Manager Lifecycle Commands:\n"
7301 " daemon-reload Reload systemd manager configuration\n"
7302 " daemon-reexec Reexecute systemd manager\n\n"
7303 "System Commands:\n"
7304 " is-system-running Check whether system is fully running\n"
7305 " default Enter system default mode\n"
7306 " rescue Enter system rescue mode\n"
7307 " emergency Enter system emergency mode\n"
7308 " halt Shut down and halt the system\n"
7309 " poweroff Shut down and power-off the system\n"
7310 " reboot [ARG] Shut down and reboot the system\n"
7311 " kexec Shut down and reboot the system with kexec\n"
7312 " exit [EXIT_CODE] Request user instance or container exit\n"
7313 " switch-root ROOT [INIT] Change to a different root file system\n"
7314 " suspend Suspend the system\n"
7315 " hibernate Hibernate the system\n"
7316 " hybrid-sleep Hibernate and suspend the system\n"
7317 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7318 " time and put it into hibernate\n"
7319 "\nSee the %s for details.\n"
7320 , program_invocation_short_name
7321 , link
7322 );
7323
7324 return 0;
7325 }
7326
7327 static int halt_help(void) {
7328 _cleanup_free_ char *link = NULL;
7329 int r;
7330
7331 r = terminal_urlify_man("halt", "8", &link);
7332 if (r < 0)
7333 return log_oom();
7334
7335 printf("%s [OPTIONS...]%s\n\n"
7336 "%s the system.\n\n"
7337 " --help Show this help\n"
7338 " --halt Halt the machine\n"
7339 " -p --poweroff Switch off the machine\n"
7340 " --reboot Reboot the machine\n"
7341 " -f --force Force immediate halt/power-off/reboot\n"
7342 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7343 " -d --no-wtmp Don't write wtmp record\n"
7344 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7345 "\nSee the %s for details.\n"
7346 , program_invocation_short_name
7347 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7348 arg_action == ACTION_REBOOT ? "Reboot" :
7349 arg_action == ACTION_POWEROFF ? "Power off" :
7350 "Halt"
7351 , link
7352 );
7353
7354 return 0;
7355 }
7356
7357 static int shutdown_help(void) {
7358 _cleanup_free_ char *link = NULL;
7359 int r;
7360
7361 r = terminal_urlify_man("shutdown", "8", &link);
7362 if (r < 0)
7363 return log_oom();
7364
7365 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7366 "Shut down the system.\n\n"
7367 " --help Show this help\n"
7368 " -H --halt Halt the machine\n"
7369 " -P --poweroff Power-off the machine\n"
7370 " -r --reboot Reboot the machine\n"
7371 " -h Equivalent to --poweroff, overridden by --halt\n"
7372 " -k Don't halt/power-off/reboot, just send warnings\n"
7373 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7374 " -c Cancel a pending shutdown\n"
7375 "\nSee the %s for details.\n"
7376 , program_invocation_short_name
7377 , link
7378 );
7379
7380 return 0;
7381 }
7382
7383 static int telinit_help(void) {
7384 _cleanup_free_ char *link = NULL;
7385 int r;
7386
7387 r = terminal_urlify_man("telinit", "8", &link);
7388 if (r < 0)
7389 return log_oom();
7390
7391 printf("%s [OPTIONS...] {COMMAND}\n\n"
7392 "Send control commands to the init daemon.\n\n"
7393 " --help Show this help\n"
7394 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7395 "Commands:\n"
7396 " 0 Power-off the machine\n"
7397 " 6 Reboot the machine\n"
7398 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7399 " 1, s, S Enter rescue mode\n"
7400 " q, Q Reload init daemon configuration\n"
7401 " u, U Reexecute init daemon\n"
7402 "\nSee the %s for details.\n"
7403 , program_invocation_short_name
7404 , link
7405 );
7406
7407 return 0;
7408 }
7409
7410 static int runlevel_help(void) {
7411 _cleanup_free_ char *link = NULL;
7412 int r;
7413
7414 r = terminal_urlify_man("runlevel", "8", &link);
7415 if (r < 0)
7416 return log_oom();
7417
7418 printf("%s [OPTIONS...]\n\n"
7419 "Prints the previous and current runlevel of the init system.\n\n"
7420 " --help Show this help\n"
7421 "\nSee the %s for details.\n"
7422 , program_invocation_short_name
7423 , link
7424 );
7425
7426 return 0;
7427 }
7428
7429 static void help_types(void) {
7430 if (!arg_no_legend)
7431 puts("Available unit types:");
7432
7433 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7434 }
7435
7436 static void help_states(void) {
7437 if (!arg_no_legend)
7438 puts("Available unit load states:");
7439 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7440
7441 if (!arg_no_legend)
7442 puts("\nAvailable unit active states:");
7443 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7444
7445 if (!arg_no_legend)
7446 puts("\nAvailable automount unit substates:");
7447 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7448
7449 if (!arg_no_legend)
7450 puts("\nAvailable device unit substates:");
7451 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7452
7453 if (!arg_no_legend)
7454 puts("\nAvailable mount unit substates:");
7455 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7456
7457 if (!arg_no_legend)
7458 puts("\nAvailable path unit substates:");
7459 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7460
7461 if (!arg_no_legend)
7462 puts("\nAvailable scope unit substates:");
7463 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7464
7465 if (!arg_no_legend)
7466 puts("\nAvailable service unit substates:");
7467 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7468
7469 if (!arg_no_legend)
7470 puts("\nAvailable slice unit substates:");
7471 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7472
7473 if (!arg_no_legend)
7474 puts("\nAvailable socket unit substates:");
7475 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7476
7477 if (!arg_no_legend)
7478 puts("\nAvailable swap unit substates:");
7479 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7480
7481 if (!arg_no_legend)
7482 puts("\nAvailable target unit substates:");
7483 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7484
7485 if (!arg_no_legend)
7486 puts("\nAvailable timer unit substates:");
7487 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7488 }
7489
7490 static int systemctl_parse_argv(int argc, char *argv[]) {
7491 enum {
7492 ARG_FAIL = 0x100,
7493 ARG_REVERSE,
7494 ARG_AFTER,
7495 ARG_BEFORE,
7496 ARG_DRY_RUN,
7497 ARG_SHOW_TYPES,
7498 ARG_IRREVERSIBLE,
7499 ARG_IGNORE_DEPENDENCIES,
7500 ARG_VALUE,
7501 ARG_VERSION,
7502 ARG_USER,
7503 ARG_SYSTEM,
7504 ARG_GLOBAL,
7505 ARG_NO_BLOCK,
7506 ARG_NO_LEGEND,
7507 ARG_NO_PAGER,
7508 ARG_NO_WALL,
7509 ARG_ROOT,
7510 ARG_NO_RELOAD,
7511 ARG_KILL_WHO,
7512 ARG_NO_ASK_PASSWORD,
7513 ARG_FAILED,
7514 ARG_RUNTIME,
7515 ARG_PLAIN,
7516 ARG_STATE,
7517 ARG_JOB_MODE,
7518 ARG_PRESET_MODE,
7519 ARG_FIRMWARE_SETUP,
7520 ARG_NOW,
7521 ARG_MESSAGE,
7522 ARG_WAIT,
7523 };
7524
7525 static const struct option options[] = {
7526 { "help", no_argument, NULL, 'h' },
7527 { "version", no_argument, NULL, ARG_VERSION },
7528 { "type", required_argument, NULL, 't' },
7529 { "property", required_argument, NULL, 'p' },
7530 { "all", no_argument, NULL, 'a' },
7531 { "reverse", no_argument, NULL, ARG_REVERSE },
7532 { "after", no_argument, NULL, ARG_AFTER },
7533 { "before", no_argument, NULL, ARG_BEFORE },
7534 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7535 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7536 { "full", no_argument, NULL, 'l' },
7537 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7538 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7539 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7540 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7541 { "ignore-inhibitors", no_argument, NULL, 'i' },
7542 { "value", no_argument, NULL, ARG_VALUE },
7543 { "user", no_argument, NULL, ARG_USER },
7544 { "system", no_argument, NULL, ARG_SYSTEM },
7545 { "global", no_argument, NULL, ARG_GLOBAL },
7546 { "wait", no_argument, NULL, ARG_WAIT },
7547 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7548 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7549 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7550 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7551 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7552 { "quiet", no_argument, NULL, 'q' },
7553 { "root", required_argument, NULL, ARG_ROOT },
7554 { "force", no_argument, NULL, 'f' },
7555 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7556 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7557 { "signal", required_argument, NULL, 's' },
7558 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7559 { "host", required_argument, NULL, 'H' },
7560 { "machine", required_argument, NULL, 'M' },
7561 { "runtime", no_argument, NULL, ARG_RUNTIME },
7562 { "lines", required_argument, NULL, 'n' },
7563 { "output", required_argument, NULL, 'o' },
7564 { "plain", no_argument, NULL, ARG_PLAIN },
7565 { "state", required_argument, NULL, ARG_STATE },
7566 { "recursive", no_argument, NULL, 'r' },
7567 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7568 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7569 { "now", no_argument, NULL, ARG_NOW },
7570 { "message", required_argument, NULL, ARG_MESSAGE },
7571 {}
7572 };
7573
7574 const char *p;
7575 int c, r;
7576
7577 assert(argc >= 0);
7578 assert(argv);
7579
7580 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7581 arg_ask_password = true;
7582
7583 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir.::", options, NULL)) >= 0)
7584
7585 switch (c) {
7586
7587 case 'h':
7588 return systemctl_help();
7589
7590 case ARG_VERSION:
7591 return version();
7592
7593 case 't': {
7594 if (isempty(optarg))
7595 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7596 "--type= requires arguments.");
7597
7598 for (p = optarg;;) {
7599 _cleanup_free_ char *type = NULL;
7600
7601 r = extract_first_word(&p, &type, ",", 0);
7602 if (r < 0)
7603 return log_error_errno(r, "Failed to parse type: %s", optarg);
7604 if (r == 0)
7605 break;
7606
7607 if (streq(type, "help")) {
7608 help_types();
7609 return 0;
7610 }
7611
7612 if (unit_type_from_string(type) >= 0) {
7613 if (strv_push(&arg_types, type) < 0)
7614 return log_oom();
7615 type = NULL;
7616 continue;
7617 }
7618
7619 /* It's much nicer to use --state= for
7620 * load states, but let's support this
7621 * in --types= too for compatibility
7622 * with old versions */
7623 if (unit_load_state_from_string(type) >= 0) {
7624 if (strv_push(&arg_states, type) < 0)
7625 return log_oom();
7626 type = NULL;
7627 continue;
7628 }
7629
7630 log_error("Unknown unit type or load state '%s'.", type);
7631 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
7632 "Use -t help to see a list of allowed values.");
7633 }
7634
7635 break;
7636 }
7637
7638 case 'p': {
7639 /* Make sure that if the empty property list
7640 was specified, we won't show any properties. */
7641 if (isempty(optarg) && !arg_properties) {
7642 arg_properties = new0(char*, 1);
7643 if (!arg_properties)
7644 return log_oom();
7645 } else
7646 for (p = optarg;;) {
7647 _cleanup_free_ char *prop = NULL;
7648
7649 r = extract_first_word(&p, &prop, ",", 0);
7650 if (r < 0)
7651 return log_error_errno(r, "Failed to parse property: %s", optarg);
7652 if (r == 0)
7653 break;
7654
7655 if (strv_push(&arg_properties, prop) < 0)
7656 return log_oom();
7657
7658 prop = NULL;
7659 }
7660
7661 /* If the user asked for a particular
7662 * property, show it to him, even if it is
7663 * empty. */
7664 arg_all = true;
7665
7666 break;
7667 }
7668
7669 case 'a':
7670 arg_all = true;
7671 break;
7672
7673 case ARG_REVERSE:
7674 arg_dependency = DEPENDENCY_REVERSE;
7675 break;
7676
7677 case ARG_AFTER:
7678 arg_dependency = DEPENDENCY_AFTER;
7679 arg_jobs_after = true;
7680 break;
7681
7682 case ARG_BEFORE:
7683 arg_dependency = DEPENDENCY_BEFORE;
7684 arg_jobs_before = true;
7685 break;
7686
7687 case ARG_SHOW_TYPES:
7688 arg_show_types = true;
7689 break;
7690
7691 case ARG_VALUE:
7692 arg_value = true;
7693 break;
7694
7695 case ARG_JOB_MODE:
7696 arg_job_mode = optarg;
7697 break;
7698
7699 case ARG_FAIL:
7700 arg_job_mode = "fail";
7701 break;
7702
7703 case ARG_IRREVERSIBLE:
7704 arg_job_mode = "replace-irreversibly";
7705 break;
7706
7707 case ARG_IGNORE_DEPENDENCIES:
7708 arg_job_mode = "ignore-dependencies";
7709 break;
7710
7711 case ARG_USER:
7712 arg_scope = UNIT_FILE_USER;
7713 break;
7714
7715 case ARG_SYSTEM:
7716 arg_scope = UNIT_FILE_SYSTEM;
7717 break;
7718
7719 case ARG_GLOBAL:
7720 arg_scope = UNIT_FILE_GLOBAL;
7721 break;
7722
7723 case ARG_WAIT:
7724 arg_wait = true;
7725 break;
7726
7727 case ARG_NO_BLOCK:
7728 arg_no_block = true;
7729 break;
7730
7731 case ARG_NO_LEGEND:
7732 arg_no_legend = true;
7733 break;
7734
7735 case ARG_NO_PAGER:
7736 arg_pager_flags |= PAGER_DISABLE;
7737 break;
7738
7739 case ARG_NO_WALL:
7740 arg_no_wall = true;
7741 break;
7742
7743 case ARG_ROOT:
7744 r = parse_path_argument_and_warn(optarg, false, &arg_root);
7745 if (r < 0)
7746 return r;
7747 break;
7748
7749 case 'l':
7750 arg_full = true;
7751 break;
7752
7753 case ARG_FAILED:
7754 if (strv_extend(&arg_states, "failed") < 0)
7755 return log_oom();
7756
7757 break;
7758
7759 case ARG_DRY_RUN:
7760 arg_dry_run = true;
7761 break;
7762
7763 case 'q':
7764 arg_quiet = true;
7765 break;
7766
7767 case 'f':
7768 arg_force++;
7769 break;
7770
7771 case ARG_NO_RELOAD:
7772 arg_no_reload = true;
7773 break;
7774
7775 case ARG_KILL_WHO:
7776 arg_kill_who = optarg;
7777 break;
7778
7779 case 's':
7780 if (streq(optarg, "help")) {
7781 DUMP_STRING_TABLE(signal, int, _NSIG);
7782 return 0;
7783 }
7784
7785 arg_signal = signal_from_string(optarg);
7786 if (arg_signal < 0)
7787 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7788 "Failed to parse signal string %s.",
7789 optarg);
7790 break;
7791
7792 case ARG_NO_ASK_PASSWORD:
7793 arg_ask_password = false;
7794 break;
7795
7796 case 'H':
7797 arg_transport = BUS_TRANSPORT_REMOTE;
7798 arg_host = optarg;
7799 break;
7800
7801 case 'M':
7802 arg_transport = BUS_TRANSPORT_MACHINE;
7803 arg_host = optarg;
7804 break;
7805
7806 case ARG_RUNTIME:
7807 arg_runtime = true;
7808 break;
7809
7810 case 'n':
7811 if (safe_atou(optarg, &arg_lines) < 0)
7812 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7813 "Failed to parse lines '%s'",
7814 optarg);
7815 break;
7816
7817 case 'o':
7818 if (streq(optarg, "help")) {
7819 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
7820 return 0;
7821 }
7822
7823 arg_output = output_mode_from_string(optarg);
7824 if (arg_output < 0)
7825 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7826 "Unknown output '%s'.",
7827 optarg);
7828 break;
7829
7830 case 'i':
7831 arg_ignore_inhibitors = true;
7832 break;
7833
7834 case ARG_PLAIN:
7835 arg_plain = true;
7836 break;
7837
7838 case ARG_FIRMWARE_SETUP:
7839 arg_firmware_setup = true;
7840 break;
7841
7842 case ARG_STATE: {
7843 if (isempty(optarg))
7844 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7845 "--state= requires arguments.");
7846
7847 for (p = optarg;;) {
7848 _cleanup_free_ char *s = NULL;
7849
7850 r = extract_first_word(&p, &s, ",", 0);
7851 if (r < 0)
7852 return log_error_errno(r, "Failed to parse state: %s", optarg);
7853 if (r == 0)
7854 break;
7855
7856 if (streq(s, "help")) {
7857 help_states();
7858 return 0;
7859 }
7860
7861 if (strv_push(&arg_states, s) < 0)
7862 return log_oom();
7863
7864 s = NULL;
7865 }
7866 break;
7867 }
7868
7869 case 'r':
7870 if (geteuid() != 0)
7871 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
7872 "--recursive requires root privileges.");
7873
7874 arg_recursive = true;
7875 break;
7876
7877 case ARG_PRESET_MODE:
7878 if (streq(optarg, "help")) {
7879 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
7880 return 0;
7881 }
7882
7883 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
7884 if (arg_preset_mode < 0)
7885 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7886 "Failed to parse preset mode: %s.", optarg);
7887
7888 break;
7889
7890 case ARG_NOW:
7891 arg_now = true;
7892 break;
7893
7894 case ARG_MESSAGE:
7895 if (strv_extend(&arg_wall, optarg) < 0)
7896 return log_oom();
7897 break;
7898
7899 case '.':
7900 /* Output an error mimicking getopt, and print a hint afterwards */
7901 log_error("%s: invalid option -- '.'", program_invocation_name);
7902 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
7903 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
7904 program_invocation_name, optarg ?: "mount");
7905 _fallthrough_;
7906
7907 case '?':
7908 return -EINVAL;
7909
7910 default:
7911 assert_not_reached("Unhandled option");
7912 }
7913
7914 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
7915 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7916 "Cannot access user instance remotely.");
7917
7918 if (arg_wait && arg_no_block)
7919 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7920 "--wait may not be combined with --no-block.");
7921
7922 return 1;
7923 }
7924
7925 static int halt_parse_argv(int argc, char *argv[]) {
7926 enum {
7927 ARG_HELP = 0x100,
7928 ARG_HALT,
7929 ARG_REBOOT,
7930 ARG_NO_WALL
7931 };
7932
7933 static const struct option options[] = {
7934 { "help", no_argument, NULL, ARG_HELP },
7935 { "halt", no_argument, NULL, ARG_HALT },
7936 { "poweroff", no_argument, NULL, 'p' },
7937 { "reboot", no_argument, NULL, ARG_REBOOT },
7938 { "force", no_argument, NULL, 'f' },
7939 { "wtmp-only", no_argument, NULL, 'w' },
7940 { "no-wtmp", no_argument, NULL, 'd' },
7941 { "no-sync", no_argument, NULL, 'n' },
7942 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7943 {}
7944 };
7945
7946 int c, r, runlevel;
7947
7948 assert(argc >= 0);
7949 assert(argv);
7950
7951 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
7952 if (IN_SET(runlevel, '0', '6'))
7953 arg_force = 2;
7954
7955 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
7956 switch (c) {
7957
7958 case ARG_HELP:
7959 return halt_help();
7960
7961 case ARG_HALT:
7962 arg_action = ACTION_HALT;
7963 break;
7964
7965 case 'p':
7966 if (arg_action != ACTION_REBOOT)
7967 arg_action = ACTION_POWEROFF;
7968 break;
7969
7970 case ARG_REBOOT:
7971 arg_action = ACTION_REBOOT;
7972 break;
7973
7974 case 'f':
7975 arg_force = 2;
7976 break;
7977
7978 case 'w':
7979 arg_dry_run = true;
7980 break;
7981
7982 case 'd':
7983 arg_no_wtmp = true;
7984 break;
7985
7986 case 'n':
7987 arg_no_sync = true;
7988 break;
7989
7990 case ARG_NO_WALL:
7991 arg_no_wall = true;
7992 break;
7993
7994 case 'i':
7995 case 'h':
7996 /* Compatibility nops */
7997 break;
7998
7999 case '?':
8000 return -EINVAL;
8001
8002 default:
8003 assert_not_reached("Unhandled option");
8004 }
8005
8006 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8007 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
8008 if (r < 0)
8009 return r;
8010 } else if (optind < argc)
8011 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8012 "Too many arguments.");
8013
8014 return 1;
8015 }
8016
8017 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
8018 assert(t);
8019 assert(_u);
8020
8021 if (streq(t, "now"))
8022 *_u = 0;
8023 else if (!strchr(t, ':')) {
8024 uint64_t u;
8025
8026 if (safe_atou64(t, &u) < 0)
8027 return -EINVAL;
8028
8029 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
8030 } else {
8031 char *e = NULL;
8032 long hour, minute;
8033 struct tm tm = {};
8034 time_t s;
8035 usec_t n;
8036
8037 errno = 0;
8038 hour = strtol(t, &e, 10);
8039 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
8040 return -EINVAL;
8041
8042 minute = strtol(e+1, &e, 10);
8043 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
8044 return -EINVAL;
8045
8046 n = now(CLOCK_REALTIME);
8047 s = (time_t) (n / USEC_PER_SEC);
8048
8049 assert_se(localtime_r(&s, &tm));
8050
8051 tm.tm_hour = (int) hour;
8052 tm.tm_min = (int) minute;
8053 tm.tm_sec = 0;
8054
8055 s = mktime(&tm);
8056 assert(s >= 0);
8057
8058 *_u = (usec_t) s * USEC_PER_SEC;
8059
8060 while (*_u <= n)
8061 *_u += USEC_PER_DAY;
8062 }
8063
8064 return 0;
8065 }
8066
8067 static int shutdown_parse_argv(int argc, char *argv[]) {
8068 enum {
8069 ARG_HELP = 0x100,
8070 ARG_NO_WALL
8071 };
8072
8073 static const struct option options[] = {
8074 { "help", no_argument, NULL, ARG_HELP },
8075 { "halt", no_argument, NULL, 'H' },
8076 { "poweroff", no_argument, NULL, 'P' },
8077 { "reboot", no_argument, NULL, 'r' },
8078 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8079 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8080 {}
8081 };
8082
8083 char **wall = NULL;
8084 int c, r;
8085
8086 assert(argc >= 0);
8087 assert(argv);
8088
8089 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8090 switch (c) {
8091
8092 case ARG_HELP:
8093 return shutdown_help();
8094
8095 case 'H':
8096 arg_action = ACTION_HALT;
8097 break;
8098
8099 case 'P':
8100 arg_action = ACTION_POWEROFF;
8101 break;
8102
8103 case 'r':
8104 if (kexec_loaded())
8105 arg_action = ACTION_KEXEC;
8106 else
8107 arg_action = ACTION_REBOOT;
8108 break;
8109
8110 case 'K':
8111 arg_action = ACTION_KEXEC;
8112 break;
8113
8114 case 'h':
8115 if (arg_action != ACTION_HALT)
8116 arg_action = ACTION_POWEROFF;
8117 break;
8118
8119 case 'k':
8120 arg_dry_run = true;
8121 break;
8122
8123 case ARG_NO_WALL:
8124 arg_no_wall = true;
8125 break;
8126
8127 case 'a':
8128 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8129 case 'f':
8130 case 'F':
8131 /* Compatibility nops */
8132 break;
8133
8134 case 'c':
8135 arg_action = ACTION_CANCEL_SHUTDOWN;
8136 break;
8137
8138 case '?':
8139 return -EINVAL;
8140
8141 default:
8142 assert_not_reached("Unhandled option");
8143 }
8144
8145 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8146 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8147 if (r < 0) {
8148 log_error("Failed to parse time specification: %s", argv[optind]);
8149 return r;
8150 }
8151 } else
8152 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8153
8154 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8155 /* No time argument for shutdown cancel */
8156 wall = argv + optind;
8157 else if (argc > optind + 1)
8158 /* We skip the time argument */
8159 wall = argv + optind + 1;
8160
8161 if (wall) {
8162 arg_wall = strv_copy(wall);
8163 if (!arg_wall)
8164 return log_oom();
8165 }
8166
8167 optind = argc;
8168
8169 return 1;
8170 }
8171
8172 static int telinit_parse_argv(int argc, char *argv[]) {
8173 enum {
8174 ARG_HELP = 0x100,
8175 ARG_NO_WALL
8176 };
8177
8178 static const struct option options[] = {
8179 { "help", no_argument, NULL, ARG_HELP },
8180 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8181 {}
8182 };
8183
8184 static const struct {
8185 char from;
8186 enum action to;
8187 } table[] = {
8188 { '0', ACTION_POWEROFF },
8189 { '6', ACTION_REBOOT },
8190 { '1', ACTION_RESCUE },
8191 { '2', ACTION_RUNLEVEL2 },
8192 { '3', ACTION_RUNLEVEL3 },
8193 { '4', ACTION_RUNLEVEL4 },
8194 { '5', ACTION_RUNLEVEL5 },
8195 { 's', ACTION_RESCUE },
8196 { 'S', ACTION_RESCUE },
8197 { 'q', ACTION_RELOAD },
8198 { 'Q', ACTION_RELOAD },
8199 { 'u', ACTION_REEXEC },
8200 { 'U', ACTION_REEXEC }
8201 };
8202
8203 unsigned i;
8204 int c;
8205
8206 assert(argc >= 0);
8207 assert(argv);
8208
8209 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8210 switch (c) {
8211
8212 case ARG_HELP:
8213 return telinit_help();
8214
8215 case ARG_NO_WALL:
8216 arg_no_wall = true;
8217 break;
8218
8219 case '?':
8220 return -EINVAL;
8221
8222 default:
8223 assert_not_reached("Unhandled option");
8224 }
8225
8226 if (optind >= argc)
8227 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8228 "%s: required argument missing.",
8229 program_invocation_short_name);
8230
8231 if (optind + 1 < argc)
8232 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8233 "Too many arguments.");
8234
8235 if (strlen(argv[optind]) != 1)
8236 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8237 "Expected single character argument.");
8238
8239 for (i = 0; i < ELEMENTSOF(table); i++)
8240 if (table[i].from == argv[optind][0])
8241 break;
8242
8243 if (i >= ELEMENTSOF(table))
8244 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8245 "Unknown command '%s'.", argv[optind]);
8246
8247 arg_action = table[i].to;
8248
8249 optind++;
8250
8251 return 1;
8252 }
8253
8254 static int runlevel_parse_argv(int argc, char *argv[]) {
8255 enum {
8256 ARG_HELP = 0x100,
8257 };
8258
8259 static const struct option options[] = {
8260 { "help", no_argument, NULL, ARG_HELP },
8261 {}
8262 };
8263
8264 int c;
8265
8266 assert(argc >= 0);
8267 assert(argv);
8268
8269 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8270 switch (c) {
8271
8272 case ARG_HELP:
8273 return runlevel_help();
8274
8275 case '?':
8276 return -EINVAL;
8277
8278 default:
8279 assert_not_reached("Unhandled option");
8280 }
8281
8282 if (optind < argc)
8283 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8284 "Too many arguments.");
8285
8286 return 1;
8287 }
8288
8289 static int parse_argv(int argc, char *argv[]) {
8290 assert(argc >= 0);
8291 assert(argv);
8292
8293 if (program_invocation_short_name) {
8294
8295 if (strstr(program_invocation_short_name, "halt")) {
8296 arg_action = ACTION_HALT;
8297 return halt_parse_argv(argc, argv);
8298
8299 } else if (strstr(program_invocation_short_name, "poweroff")) {
8300 arg_action = ACTION_POWEROFF;
8301 return halt_parse_argv(argc, argv);
8302
8303 } else if (strstr(program_invocation_short_name, "reboot")) {
8304 if (kexec_loaded())
8305 arg_action = ACTION_KEXEC;
8306 else
8307 arg_action = ACTION_REBOOT;
8308 return halt_parse_argv(argc, argv);
8309
8310 } else if (strstr(program_invocation_short_name, "shutdown")) {
8311 arg_action = ACTION_POWEROFF;
8312 return shutdown_parse_argv(argc, argv);
8313
8314 } else if (strstr(program_invocation_short_name, "init")) {
8315
8316 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8317 * 1 on SysV.
8318 *
8319 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8320 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8321 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8322 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8323 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8324 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8325 * quick way to match both.
8326 *
8327 * Also see redirect_telinit() in src/core/main.c. */
8328
8329 if (sd_booted() > 0) {
8330 arg_action = _ACTION_INVALID;
8331 return telinit_parse_argv(argc, argv);
8332 } else {
8333 /* Hmm, so some other init system is running, we need to forward this request to
8334 * it. For now we simply guess that it is Upstart. */
8335
8336 (void) rlimit_nofile_safe();
8337 execv(TELINIT, argv);
8338
8339 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8340 "Couldn't find an alternative telinit implementation to spawn.");
8341 }
8342
8343 } else if (strstr(program_invocation_short_name, "runlevel")) {
8344 arg_action = ACTION_RUNLEVEL;
8345 return runlevel_parse_argv(argc, argv);
8346 }
8347 }
8348
8349 arg_action = ACTION_SYSTEMCTL;
8350 return systemctl_parse_argv(argc, argv);
8351 }
8352
8353 #if HAVE_SYSV_COMPAT
8354 _pure_ static int action_to_runlevel(void) {
8355 static const char table[_ACTION_MAX] = {
8356 [ACTION_HALT] = '0',
8357 [ACTION_POWEROFF] = '0',
8358 [ACTION_REBOOT] = '6',
8359 [ACTION_RUNLEVEL2] = '2',
8360 [ACTION_RUNLEVEL3] = '3',
8361 [ACTION_RUNLEVEL4] = '4',
8362 [ACTION_RUNLEVEL5] = '5',
8363 [ACTION_RESCUE] = '1'
8364 };
8365
8366 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8367
8368 return table[arg_action];
8369 }
8370 #endif
8371
8372 static int talk_initctl(void) {
8373 #if HAVE_SYSV_COMPAT
8374 struct init_request request = {
8375 .magic = INIT_MAGIC,
8376 .sleeptime = 0,
8377 .cmd = INIT_CMD_RUNLVL
8378 };
8379
8380 _cleanup_close_ int fd = -1;
8381 char rl;
8382 int r;
8383 const char *p;
8384
8385 rl = action_to_runlevel();
8386 if (!rl)
8387 return 0;
8388
8389 request.runlevel = rl;
8390
8391 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8392 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8393 if (fd >= 0 || errno != ENOENT)
8394 break;
8395 }
8396 if (fd < 0) {
8397 if (errno == ENOENT)
8398 return 0;
8399
8400 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8401 }
8402
8403 r = loop_write(fd, &request, sizeof(request), false);
8404 if (r < 0)
8405 return log_error_errno(r, "Failed to write to %s: %m", p);
8406
8407 return 1;
8408 #else
8409 return 0;
8410 #endif
8411 }
8412
8413 static int systemctl_main(int argc, char *argv[]) {
8414 static const Verb verbs[] = {
8415 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8416 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8417 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8418 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8419 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8420 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8421 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8422 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8423 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8424 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8425 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8426 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8427 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8428 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8429 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8430 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8431 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8432 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8433 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8434 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8435 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8436 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8437 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8438 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8439 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8440 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8441 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8442 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8443 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8444 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8445 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8446 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8447 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8448 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8449 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8450 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8451 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8452 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8453 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8454 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8455 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8456 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8457 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8458 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8459 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8460 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8461 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8462 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8463 { "enable", 2, VERB_ANY, 0, enable_unit },
8464 { "disable", 2, VERB_ANY, 0, enable_unit },
8465 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8466 { "reenable", 2, VERB_ANY, 0, enable_unit },
8467 { "preset", 2, VERB_ANY, 0, enable_unit },
8468 { "preset-all", VERB_ANY, 1, 0, preset_all },
8469 { "mask", 2, VERB_ANY, 0, enable_unit },
8470 { "unmask", 2, VERB_ANY, 0, enable_unit },
8471 { "link", 2, VERB_ANY, 0, enable_unit },
8472 { "revert", 2, VERB_ANY, 0, enable_unit },
8473 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8474 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8475 { "set-default", 2, 2, 0, set_default },
8476 { "get-default", VERB_ANY, 1, 0, get_default },
8477 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8478 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8479 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8480 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8481 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8482 {}
8483 };
8484
8485 return dispatch_verb(argc, argv, verbs, NULL);
8486 }
8487
8488 static int reload_with_fallback(void) {
8489 /* First, try systemd via D-Bus. */
8490 if (daemon_reload(0, NULL, NULL) >= 0)
8491 return 0;
8492
8493 /* Nothing else worked, so let's try signals */
8494 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8495
8496 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8497 return log_error_errno(errno, "kill() failed: %m");
8498
8499 return 0;
8500 }
8501
8502 static int start_with_fallback(void) {
8503 /* First, try systemd via D-Bus. */
8504 if (start_unit(0, NULL, NULL) >= 0)
8505 return 0;
8506
8507 /* Nothing else worked, so let's try /dev/initctl */
8508 if (talk_initctl() > 0)
8509 return 0;
8510
8511 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8512 "Failed to talk to init daemon.");
8513 }
8514
8515 static int halt_now(enum action a) {
8516 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8517 * synced explicitly in advance. */
8518 if (!arg_no_sync && !arg_dry_run)
8519 (void) sync();
8520
8521 /* Make sure C-A-D is handled by the kernel from this point on... */
8522 if (!arg_dry_run)
8523 (void) reboot(RB_ENABLE_CAD);
8524
8525 switch (a) {
8526
8527 case ACTION_HALT:
8528 if (!arg_quiet)
8529 log_info("Halting.");
8530 if (arg_dry_run)
8531 return 0;
8532 (void) reboot(RB_HALT_SYSTEM);
8533 return -errno;
8534
8535 case ACTION_POWEROFF:
8536 if (!arg_quiet)
8537 log_info("Powering off.");
8538 if (arg_dry_run)
8539 return 0;
8540 (void) reboot(RB_POWER_OFF);
8541 return -errno;
8542
8543 case ACTION_KEXEC:
8544 case ACTION_REBOOT:
8545 return reboot_with_parameter(REBOOT_FALLBACK |
8546 (arg_quiet ? 0 : REBOOT_LOG) |
8547 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8548
8549 default:
8550 assert_not_reached("Unknown action.");
8551 }
8552 }
8553
8554 static int logind_schedule_shutdown(void) {
8555
8556 #if ENABLE_LOGIND
8557 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8558 char date[FORMAT_TIMESTAMP_MAX];
8559 const char *action;
8560 sd_bus *bus;
8561 int r;
8562
8563 r = acquire_bus(BUS_FULL, &bus);
8564 if (r < 0)
8565 return r;
8566
8567 switch (arg_action) {
8568 case ACTION_HALT:
8569 action = "halt";
8570 break;
8571 case ACTION_POWEROFF:
8572 action = "poweroff";
8573 break;
8574 case ACTION_KEXEC:
8575 action = "kexec";
8576 break;
8577 case ACTION_EXIT:
8578 action = "exit";
8579 break;
8580 case ACTION_REBOOT:
8581 default:
8582 action = "reboot";
8583 break;
8584 }
8585
8586 if (arg_dry_run)
8587 action = strjoina("dry-", action);
8588
8589 (void) logind_set_wall_message();
8590
8591 r = sd_bus_call_method(
8592 bus,
8593 "org.freedesktop.login1",
8594 "/org/freedesktop/login1",
8595 "org.freedesktop.login1.Manager",
8596 "ScheduleShutdown",
8597 &error,
8598 NULL,
8599 "st",
8600 action,
8601 arg_when);
8602 if (r < 0)
8603 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8604
8605 if (!arg_quiet)
8606 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8607 return 0;
8608 #else
8609 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8610 return -ENOSYS;
8611 #endif
8612 }
8613
8614 static int halt_main(void) {
8615 int r;
8616
8617 r = logind_check_inhibitors(arg_action);
8618 if (r < 0)
8619 return r;
8620
8621 /* Delayed shutdown requested, and was successful */
8622 if (arg_when > 0 && logind_schedule_shutdown() == 0)
8623 return 0;
8624 /* no delay, or logind failed or is not at all available */
8625
8626 if (geteuid() != 0) {
8627 if (arg_dry_run || arg_force > 0) {
8628 (void) must_be_root();
8629 return -EPERM;
8630 }
8631
8632 /* Try logind if we are a normal user and no special
8633 * mode applies. Maybe polkit allows us to shutdown
8634 * the machine. */
8635 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
8636 r = logind_reboot(arg_action);
8637 if (r >= 0)
8638 return r;
8639 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
8640 /* requested operation is not
8641 * supported on the local system or
8642 * already in progress */
8643 return r;
8644 /* on all other errors, try low-level operation */
8645 }
8646 }
8647
8648 /* In order to minimize the difference between operation with and
8649 * without logind, we explicitly enable non-blocking mode for this,
8650 * as logind's shutdown operations are always non-blocking. */
8651 arg_no_block = true;
8652
8653 if (!arg_dry_run && !arg_force)
8654 return start_with_fallback();
8655
8656 assert(geteuid() == 0);
8657
8658 if (!arg_no_wtmp) {
8659 if (sd_booted() > 0)
8660 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
8661 else {
8662 r = utmp_put_shutdown();
8663 if (r < 0)
8664 log_warning_errno(r, "Failed to write utmp record: %m");
8665 }
8666 }
8667
8668 if (arg_dry_run)
8669 return 0;
8670
8671 r = halt_now(arg_action);
8672 return log_error_errno(r, "Failed to reboot: %m");
8673 }
8674
8675 static int runlevel_main(void) {
8676 int r, runlevel, previous;
8677
8678 r = utmp_get_runlevel(&runlevel, &previous);
8679 if (r < 0) {
8680 puts("unknown");
8681 return r;
8682 }
8683
8684 printf("%c %c\n",
8685 previous <= 0 ? 'N' : previous,
8686 runlevel <= 0 ? 'N' : runlevel);
8687
8688 return 0;
8689 }
8690
8691 static int logind_cancel_shutdown(void) {
8692 #if ENABLE_LOGIND
8693 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8694 sd_bus *bus;
8695 int r;
8696
8697 r = acquire_bus(BUS_FULL, &bus);
8698 if (r < 0)
8699 return r;
8700
8701 (void) logind_set_wall_message();
8702
8703 r = sd_bus_call_method(
8704 bus,
8705 "org.freedesktop.login1",
8706 "/org/freedesktop/login1",
8707 "org.freedesktop.login1.Manager",
8708 "CancelScheduledShutdown",
8709 &error,
8710 NULL, NULL);
8711 if (r < 0)
8712 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
8713
8714 return 0;
8715 #else
8716 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
8717 return -ENOSYS;
8718 #endif
8719 }
8720
8721 static int run(int argc, char *argv[]) {
8722 int r;
8723
8724 argv_cmdline = argv[0];
8725
8726 setlocale(LC_ALL, "");
8727 log_parse_environment();
8728 log_open();
8729
8730 /* The journal merging logic potentially needs a lot of fds. */
8731 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
8732
8733 sigbus_install();
8734
8735 /* Explicitly not on_tty() to avoid setting cached value.
8736 * This becomes relevant for piping output which might be
8737 * ellipsized. */
8738 original_stdout_is_tty = isatty(STDOUT_FILENO);
8739
8740 r = parse_argv(argc, argv);
8741 if (r <= 0)
8742 goto finish;
8743
8744 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
8745 if (!arg_quiet)
8746 log_info("Running in chroot, ignoring request.");
8747 r = 0;
8748 goto finish;
8749 }
8750
8751 /* systemctl_main() will print an error message for the bus
8752 * connection, but only if it needs to */
8753
8754 switch (arg_action) {
8755
8756 case ACTION_SYSTEMCTL:
8757 r = systemctl_main(argc, argv);
8758 break;
8759
8760 /* Legacy command aliases set arg_action. They provide some fallbacks,
8761 * e.g. to tell sysvinit to reboot after you have installed systemd
8762 * binaries. */
8763
8764 case ACTION_HALT:
8765 case ACTION_POWEROFF:
8766 case ACTION_REBOOT:
8767 case ACTION_KEXEC:
8768 r = halt_main();
8769 break;
8770
8771 case ACTION_RUNLEVEL2:
8772 case ACTION_RUNLEVEL3:
8773 case ACTION_RUNLEVEL4:
8774 case ACTION_RUNLEVEL5:
8775 case ACTION_RESCUE:
8776 r = start_with_fallback();
8777 break;
8778
8779 case ACTION_RELOAD:
8780 case ACTION_REEXEC:
8781 r = reload_with_fallback();
8782 break;
8783
8784 case ACTION_CANCEL_SHUTDOWN:
8785 r = logind_cancel_shutdown();
8786 break;
8787
8788 case ACTION_RUNLEVEL:
8789 r = runlevel_main();
8790 break;
8791
8792 case ACTION_EXIT:
8793 case ACTION_SUSPEND:
8794 case ACTION_HIBERNATE:
8795 case ACTION_HYBRID_SLEEP:
8796 case ACTION_SUSPEND_THEN_HIBERNATE:
8797 case ACTION_EMERGENCY:
8798 case ACTION_DEFAULT:
8799 /* systemctl verbs with no equivalent in the legacy commands.
8800 * These cannot appear in arg_action. Fall through. */
8801
8802 case _ACTION_INVALID:
8803 default:
8804 assert_not_reached("Unknown action");
8805 }
8806
8807 finish:
8808 release_busses();
8809
8810 strv_free(arg_types);
8811 strv_free(arg_states);
8812 strv_free(arg_properties);
8813
8814 strv_free(arg_wall);
8815 free(arg_root);
8816 free(arg_esp_path);
8817
8818 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
8819 return r;
8820 }
8821
8822 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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