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pid1: use a cache for all unit aliases
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/mount.h>
12 #include <sys/prctl.h>
13 #include <sys/reboot.h>
14 #include <sys/socket.h>
15 #include <unistd.h>
16
17 #include "sd-bus.h"
18 #include "sd-daemon.h"
19 #include "sd-event.h"
20 #include "sd-login.h"
21
22 #include "alloc-util.h"
23 #include "bootspec.h"
24 #include "bus-common-errors.h"
25 #include "bus-error.h"
26 #include "bus-message.h"
27 #include "bus-unit-procs.h"
28 #include "bus-unit-util.h"
29 #include "bus-util.h"
30 #include "bus-wait-for-jobs.h"
31 #include "bus-wait-for-units.h"
32 #include "cgroup-show.h"
33 #include "cgroup-util.h"
34 #include "copy.h"
35 #include "cpu-set-util.h"
36 #include "dirent-util.h"
37 #include "dropin.h"
38 #include "efivars.h"
39 #include "env-util.h"
40 #include "escape.h"
41 #include "exec-util.h"
42 #include "exit-status.h"
43 #include "fd-util.h"
44 #include "format-util.h"
45 #include "fs-util.h"
46 #include "glob-util.h"
47 #include "hexdecoct.h"
48 #include "hostname-util.h"
49 #include "in-addr-util.h"
50 #include "initreq.h"
51 #include "install.h"
52 #include "io-util.h"
53 #include "journal-util.h"
54 #include "list.h"
55 #include "locale-util.h"
56 #include "log.h"
57 #include "logs-show.h"
58 #include "macro.h"
59 #include "main-func.h"
60 #include "memory-util.h"
61 #include "mkdir.h"
62 #include "pager.h"
63 #include "parse-util.h"
64 #include "path-lookup.h"
65 #include "path-util.h"
66 #include "pretty-print.h"
67 #include "proc-cmdline.h"
68 #include "process-util.h"
69 #include "reboot-util.h"
70 #include "rlimit-util.h"
71 #include "set.h"
72 #include "sigbus.h"
73 #include "signal-util.h"
74 #include "socket-util.h"
75 #include "sort-util.h"
76 #include "spawn-ask-password-agent.h"
77 #include "spawn-polkit-agent.h"
78 #include "special.h"
79 #include "stat-util.h"
80 #include "string-table.h"
81 #include "strv.h"
82 #include "sysv-compat.h"
83 #include "terminal-util.h"
84 #include "tmpfile-util.h"
85 #include "unit-def.h"
86 #include "unit-name.h"
87 #include "user-util.h"
88 #include "utf8.h"
89 #include "utmp-wtmp.h"
90 #include "verbs.h"
91 #include "virt.h"
92
93 static char **arg_types = NULL;
94 static char **arg_states = NULL;
95 static char **arg_properties = NULL;
96 static bool arg_all = false;
97 static enum dependency {
98 DEPENDENCY_FORWARD,
99 DEPENDENCY_REVERSE,
100 DEPENDENCY_AFTER,
101 DEPENDENCY_BEFORE,
102 _DEPENDENCY_MAX
103 } arg_dependency = DEPENDENCY_FORWARD;
104 static const char *arg_job_mode = "replace";
105 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
106 static bool arg_wait = false;
107 static bool arg_no_block = false;
108 static bool arg_no_legend = false;
109 static PagerFlags arg_pager_flags = 0;
110 static bool arg_no_wtmp = false;
111 static bool arg_no_sync = false;
112 static bool arg_no_wall = false;
113 static bool arg_no_reload = false;
114 static bool arg_value = false;
115 static bool arg_show_types = false;
116 static bool arg_ignore_inhibitors = false;
117 static bool arg_dry_run = false;
118 static bool arg_quiet = false;
119 static bool arg_full = false;
120 static bool arg_recursive = false;
121 static bool arg_show_transaction = false;
122 static int arg_force = 0;
123 static bool arg_ask_password = false;
124 static bool arg_runtime = false;
125 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
126 static char **arg_wall = NULL;
127 static const char *arg_kill_who = NULL;
128 static int arg_signal = SIGTERM;
129 static char *arg_root = NULL;
130 static usec_t arg_when = 0;
131 static enum action {
132 ACTION_SYSTEMCTL,
133 ACTION_HALT,
134 ACTION_POWEROFF,
135 ACTION_REBOOT,
136 ACTION_KEXEC,
137 ACTION_EXIT,
138 ACTION_SUSPEND,
139 ACTION_HIBERNATE,
140 ACTION_HYBRID_SLEEP,
141 ACTION_SUSPEND_THEN_HIBERNATE,
142 ACTION_RUNLEVEL2,
143 ACTION_RUNLEVEL3,
144 ACTION_RUNLEVEL4,
145 ACTION_RUNLEVEL5,
146 ACTION_RESCUE,
147 ACTION_EMERGENCY,
148 ACTION_DEFAULT,
149 ACTION_RELOAD,
150 ACTION_REEXEC,
151 ACTION_RUNLEVEL,
152 ACTION_CANCEL_SHUTDOWN,
153 _ACTION_MAX,
154 _ACTION_INVALID = -1
155 } arg_action = ACTION_SYSTEMCTL;
156 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
157 static const char *arg_host = NULL;
158 static unsigned arg_lines = 10;
159 static OutputMode arg_output = OUTPUT_SHORT;
160 static bool arg_plain = false;
161 static bool arg_firmware_setup = false;
162 static usec_t arg_boot_loader_menu = USEC_INFINITY;
163 static const char *arg_boot_loader_entry = NULL;
164 static bool arg_now = false;
165 static bool arg_jobs_before = false;
166 static bool arg_jobs_after = false;
167 static char **arg_clean_what = NULL;
168
169 /* This is a global cache that will be constructed on first use. */
170 static Hashmap *cached_id_map = NULL;
171 static Hashmap *cached_name_map = NULL;
172
173 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
174 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
175 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
176 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
177 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
178 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
179 STATIC_DESTRUCTOR_REGISTER(cached_id_map, hashmap_freep);
180 STATIC_DESTRUCTOR_REGISTER(cached_name_map, hashmap_freep);
181
182 static int daemon_reload(int argc, char *argv[], void* userdata);
183 static int trivial_method(int argc, char *argv[], void *userdata);
184 static int halt_now(enum action a);
185 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
186
187 static bool original_stdout_is_tty;
188
189 typedef enum BusFocus {
190 BUS_FULL, /* The full bus indicated via --system or --user */
191 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
192 _BUS_FOCUS_MAX
193 } BusFocus;
194
195 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
196
197 static UnitFileFlags args_to_flags(void) {
198 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
199 (arg_force ? UNIT_FILE_FORCE : 0);
200 }
201
202 static int acquire_bus(BusFocus focus, sd_bus **ret) {
203 int r;
204
205 assert(focus < _BUS_FOCUS_MAX);
206 assert(ret);
207
208 /* We only go directly to the manager, if we are using a local transport */
209 if (arg_transport != BUS_TRANSPORT_LOCAL)
210 focus = BUS_FULL;
211
212 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
213 focus = BUS_FULL;
214
215 if (!buses[focus]) {
216 bool user;
217
218 user = arg_scope != UNIT_FILE_SYSTEM;
219
220 if (focus == BUS_MANAGER)
221 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
222 else
223 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
224 if (r < 0)
225 return log_error_errno(r, "Failed to connect to bus: %m");
226
227 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
228 }
229
230 *ret = buses[focus];
231 return 0;
232 }
233
234 static void release_busses(void) {
235 BusFocus w;
236
237 for (w = 0; w < _BUS_FOCUS_MAX; w++)
238 buses[w] = sd_bus_flush_close_unref(buses[w]);
239 }
240
241 static void ask_password_agent_open_if_enabled(void) {
242 /* Open the password agent as a child process if necessary */
243
244 if (arg_dry_run)
245 return;
246
247 if (!arg_ask_password)
248 return;
249
250 if (arg_scope != UNIT_FILE_SYSTEM)
251 return;
252
253 if (arg_transport != BUS_TRANSPORT_LOCAL)
254 return;
255
256 ask_password_agent_open();
257 }
258
259 static void polkit_agent_open_maybe(void) {
260 /* Open the polkit agent as a child process if necessary */
261
262 if (arg_scope != UNIT_FILE_SYSTEM)
263 return;
264
265 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
266 }
267
268 static OutputFlags get_output_flags(void) {
269 return
270 arg_all * OUTPUT_SHOW_ALL |
271 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
272 colors_enabled() * OUTPUT_COLOR |
273 !arg_quiet * OUTPUT_WARN_CUTOFF;
274 }
275
276 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
277 assert(error);
278
279 if (!sd_bus_error_is_set(error))
280 return r;
281
282 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
283 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
284 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
285 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
286 return EXIT_NOPERMISSION;
287
288 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
289 return EXIT_NOTINSTALLED;
290
291 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
292 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
293 return EXIT_NOTIMPLEMENTED;
294
295 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
296 return EXIT_NOTCONFIGURED;
297
298 if (r != 0)
299 return r;
300
301 return EXIT_FAILURE;
302 }
303
304 static bool install_client_side(void) {
305 /* Decides when to execute enable/disable/... operations
306 * client-side rather than server-side. */
307
308 if (running_in_chroot_or_offline())
309 return true;
310
311 if (sd_booted() <= 0)
312 return true;
313
314 if (!isempty(arg_root))
315 return true;
316
317 if (arg_scope == UNIT_FILE_GLOBAL)
318 return true;
319
320 /* Unsupported environment variable, mostly for debugging purposes */
321 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
322 return true;
323
324 return false;
325 }
326
327 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
328 const char *d1, *d2;
329 int r;
330
331 /* First, order by machine */
332 if (!a->machine && b->machine)
333 return -1;
334 if (a->machine && !b->machine)
335 return 1;
336 if (a->machine && b->machine) {
337 r = strcasecmp(a->machine, b->machine);
338 if (r != 0)
339 return r;
340 }
341
342 /* Second, order by unit type */
343 d1 = strrchr(a->id, '.');
344 d2 = strrchr(b->id, '.');
345 if (d1 && d2) {
346 r = strcasecmp(d1, d2);
347 if (r != 0)
348 return r;
349 }
350
351 /* Third, order by name */
352 return strcasecmp(a->id, b->id);
353 }
354
355 static const char* unit_type_suffix(const char *name) {
356 const char *dot;
357
358 dot = strrchr(name, '.');
359 if (!dot)
360 return "";
361
362 return dot + 1;
363 }
364
365 static bool output_show_unit(const UnitInfo *u, char **patterns) {
366 assert(u);
367
368 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
369 return false;
370
371 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
372 return false;
373
374 if (arg_all)
375 return true;
376
377 /* Note that '--all' is not purely a state filter, but also a
378 * filter that hides units that "follow" other units (which is
379 * used for device units that appear under different names). */
380 if (!isempty(u->following))
381 return false;
382
383 if (!strv_isempty(arg_states))
384 return true;
385
386 /* By default show all units except the ones in inactive
387 * state and with no pending job */
388 if (u->job_id > 0)
389 return true;
390
391 if (streq(u->active_state, "inactive"))
392 return false;
393
394 return true;
395 }
396
397 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
398 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
399 const UnitInfo *u;
400 unsigned n_shown = 0;
401 int job_count = 0;
402 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
403
404 max_id_len = STRLEN("UNIT");
405 load_len = STRLEN("LOAD");
406 active_len = STRLEN("ACTIVE");
407 sub_len = STRLEN("SUB");
408 job_len = STRLEN("JOB");
409 max_desc_len = STRLEN("DESCRIPTION");
410
411 for (u = unit_infos; u < unit_infos + c; u++) {
412 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
413 load_len = MAX(load_len, strlen(u->load_state));
414 active_len = MAX(active_len, strlen(u->active_state));
415 sub_len = MAX(sub_len, strlen(u->sub_state));
416 max_desc_len = MAX(max_desc_len, strlen(u->description));
417
418 if (u->job_id != 0) {
419 job_len = MAX(job_len, strlen(u->job_type));
420 job_count++;
421 }
422
423 if (!arg_no_legend &&
424 (streq(u->active_state, "failed") ||
425 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
426 circle_len = 2;
427 }
428
429 if (!arg_full && original_stdout_is_tty) {
430 unsigned basic_len;
431
432 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
433 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
434
435 if (job_count)
436 basic_len += job_len + 1;
437
438 if (basic_len < (unsigned) columns()) {
439 unsigned extra_len, incr;
440 extra_len = columns() - basic_len;
441
442 /* Either UNIT already got 25, or is fully satisfied.
443 * Grant up to 25 to DESC now. */
444 incr = MIN(extra_len, 25u);
445 desc_len = incr;
446 extra_len -= incr;
447
448 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
449 * description but not more than it needs. */
450 if (extra_len > 0) {
451 incr = MIN(max_id_len - id_len, extra_len);
452 id_len += incr;
453 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
454 }
455 } else
456 desc_len = 0;
457 } else {
458 id_len = max_id_len;
459 desc_len = max_desc_len;
460 }
461
462 for (u = unit_infos; u < unit_infos + c; u++) {
463 _cleanup_free_ char *e = NULL, *j = NULL;
464 const char *on_underline = "", *off_underline = "";
465 const char *on_loaded = "", *off_loaded = "";
466 const char *on_active = "", *off_active = "";
467 const char *on_circle = "", *off_circle = "";
468 const char *id;
469 bool circle = false, underline = false;
470
471 if (!n_shown && !arg_no_legend) {
472
473 if (circle_len > 0)
474 fputs(" ", stdout);
475
476 printf("%s%-*s %-*s %-*s %-*s ",
477 ansi_underline(),
478 id_len, "UNIT",
479 load_len, "LOAD",
480 active_len, "ACTIVE",
481 sub_len, "SUB");
482
483 if (job_count)
484 printf("%-*s ", job_len, "JOB");
485
486 printf("%-*.*s%s\n",
487 desc_len,
488 full ? -1 : (int) desc_len,
489 "DESCRIPTION",
490 ansi_normal());
491 }
492
493 n_shown++;
494
495 if (u + 1 < unit_infos + c &&
496 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
497 on_underline = ansi_underline();
498 off_underline = ansi_normal();
499 underline = true;
500 }
501
502 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
503 on_circle = ansi_highlight_yellow();
504 off_circle = ansi_normal();
505 circle = true;
506 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
507 off_loaded = underline ? on_underline : ansi_normal();
508 } else if (streq(u->active_state, "failed") && !arg_plain) {
509 on_circle = ansi_highlight_red();
510 off_circle = ansi_normal();
511 circle = true;
512 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
513 off_active = underline ? on_underline : ansi_normal();
514 }
515
516 if (u->machine) {
517 j = strjoin(u->machine, ":", u->id);
518 if (!j)
519 return log_oom();
520
521 id = j;
522 } else
523 id = u->id;
524
525 if (arg_full) {
526 e = ellipsize(id, id_len, 33);
527 if (!e)
528 return log_oom();
529
530 id = e;
531 }
532
533 if (circle_len > 0)
534 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
535
536 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
537 on_underline,
538 on_active, id_len, id, off_active,
539 on_loaded, load_len, u->load_state, off_loaded,
540 on_active, active_len, u->active_state,
541 sub_len, u->sub_state, off_active,
542 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
543
544 printf("%-*.*s%s\n",
545 desc_len,
546 full ? -1 : (int) desc_len,
547 u->description,
548 off_underline);
549 }
550
551 if (!arg_no_legend) {
552 const char *on, *off;
553
554 if (n_shown) {
555 puts("\n"
556 "LOAD = Reflects whether the unit definition was properly loaded.\n"
557 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
558 "SUB = The low-level unit activation state, values depend on unit type.");
559 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
560 on = ansi_highlight();
561 off = ansi_normal();
562 } else {
563 on = ansi_highlight_red();
564 off = ansi_normal();
565 }
566
567 if (arg_all || strv_contains(arg_states, "inactive"))
568 printf("%s%u loaded units listed.%s\n"
569 "To show all installed unit files use 'systemctl list-unit-files'.\n",
570 on, n_shown, off);
571 else if (!arg_states)
572 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
573 "To show all installed unit files use 'systemctl list-unit-files'.\n",
574 on, n_shown, off);
575 else
576 printf("%u loaded units listed.\n", n_shown);
577 }
578
579 return 0;
580 }
581
582 static int get_unit_list(
583 sd_bus *bus,
584 const char *machine,
585 char **patterns,
586 UnitInfo **unit_infos,
587 int c,
588 sd_bus_message **_reply) {
589
590 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
591 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
592 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
593 size_t size = c;
594 int r;
595 UnitInfo u;
596 bool fallback = false;
597
598 assert(bus);
599 assert(unit_infos);
600 assert(_reply);
601
602 r = sd_bus_message_new_method_call(
603 bus,
604 &m,
605 "org.freedesktop.systemd1",
606 "/org/freedesktop/systemd1",
607 "org.freedesktop.systemd1.Manager",
608 "ListUnitsByPatterns");
609 if (r < 0)
610 return bus_log_create_error(r);
611
612 r = sd_bus_message_append_strv(m, arg_states);
613 if (r < 0)
614 return bus_log_create_error(r);
615
616 r = sd_bus_message_append_strv(m, patterns);
617 if (r < 0)
618 return bus_log_create_error(r);
619
620 r = sd_bus_call(bus, m, 0, &error, &reply);
621 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
622 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
623 /* Fallback to legacy ListUnitsFiltered method */
624 fallback = true;
625 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
626 m = sd_bus_message_unref(m);
627 sd_bus_error_free(&error);
628
629 r = sd_bus_message_new_method_call(
630 bus,
631 &m,
632 "org.freedesktop.systemd1",
633 "/org/freedesktop/systemd1",
634 "org.freedesktop.systemd1.Manager",
635 "ListUnitsFiltered");
636 if (r < 0)
637 return bus_log_create_error(r);
638
639 r = sd_bus_message_append_strv(m, arg_states);
640 if (r < 0)
641 return bus_log_create_error(r);
642
643 r = sd_bus_call(bus, m, 0, &error, &reply);
644 }
645 if (r < 0)
646 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
647
648 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
649 if (r < 0)
650 return bus_log_parse_error(r);
651
652 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
653 u.machine = machine;
654
655 if (!output_show_unit(&u, fallback ? patterns : NULL))
656 continue;
657
658 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
659 return log_oom();
660
661 (*unit_infos)[c++] = u;
662 }
663 if (r < 0)
664 return bus_log_parse_error(r);
665
666 r = sd_bus_message_exit_container(reply);
667 if (r < 0)
668 return bus_log_parse_error(r);
669
670 *_reply = TAKE_PTR(reply);
671
672 return c;
673 }
674
675 static void message_set_freep(Set **set) {
676 set_free_with_destructor(*set, sd_bus_message_unref);
677 }
678
679 static int get_unit_list_recursive(
680 sd_bus *bus,
681 char **patterns,
682 UnitInfo **_unit_infos,
683 Set **_replies,
684 char ***_machines) {
685
686 _cleanup_free_ UnitInfo *unit_infos = NULL;
687 _cleanup_(message_set_freep) Set *replies;
688 sd_bus_message *reply;
689 int c, r;
690
691 assert(bus);
692 assert(_replies);
693 assert(_unit_infos);
694 assert(_machines);
695
696 replies = set_new(NULL);
697 if (!replies)
698 return log_oom();
699
700 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
701 if (c < 0)
702 return c;
703
704 r = set_put(replies, reply);
705 if (r < 0) {
706 sd_bus_message_unref(reply);
707 return log_oom();
708 }
709
710 if (arg_recursive) {
711 _cleanup_strv_free_ char **machines = NULL;
712 char **i;
713
714 r = sd_get_machine_names(&machines);
715 if (r < 0)
716 return log_error_errno(r, "Failed to get machine names: %m");
717
718 STRV_FOREACH(i, machines) {
719 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
720 int k;
721
722 r = sd_bus_open_system_machine(&container, *i);
723 if (r < 0) {
724 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
725 continue;
726 }
727
728 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
729 if (k < 0)
730 return k;
731
732 c = k;
733
734 r = set_put(replies, reply);
735 if (r < 0) {
736 sd_bus_message_unref(reply);
737 return log_oom();
738 }
739 }
740
741 *_machines = TAKE_PTR(machines);
742 } else
743 *_machines = NULL;
744
745 *_unit_infos = TAKE_PTR(unit_infos);
746 *_replies = TAKE_PTR(replies);
747
748 return c;
749 }
750
751 static int list_units(int argc, char *argv[], void *userdata) {
752 _cleanup_free_ UnitInfo *unit_infos = NULL;
753 _cleanup_(message_set_freep) Set *replies = NULL;
754 _cleanup_strv_free_ char **machines = NULL;
755 sd_bus *bus;
756 int r;
757
758 r = acquire_bus(BUS_MANAGER, &bus);
759 if (r < 0)
760 return r;
761
762 (void) pager_open(arg_pager_flags);
763
764 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
765 if (r < 0)
766 return r;
767
768 typesafe_qsort(unit_infos, r, compare_unit_info);
769 return output_units_list(unit_infos, r);
770 }
771
772 static int get_triggered_units(
773 sd_bus *bus,
774 const char* path,
775 char*** ret) {
776
777 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
778 int r;
779
780 assert(bus);
781 assert(path);
782 assert(ret);
783
784 r = sd_bus_get_property_strv(
785 bus,
786 "org.freedesktop.systemd1",
787 path,
788 "org.freedesktop.systemd1.Unit",
789 "Triggers",
790 &error,
791 ret);
792 if (r < 0)
793 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
794
795 return 0;
796 }
797
798 static int get_listening(
799 sd_bus *bus,
800 const char* unit_path,
801 char*** listening) {
802
803 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
804 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
805 const char *type, *path;
806 int r, n = 0;
807
808 r = sd_bus_get_property(
809 bus,
810 "org.freedesktop.systemd1",
811 unit_path,
812 "org.freedesktop.systemd1.Socket",
813 "Listen",
814 &error,
815 &reply,
816 "a(ss)");
817 if (r < 0)
818 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
819
820 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
821 if (r < 0)
822 return bus_log_parse_error(r);
823
824 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
825
826 r = strv_extend(listening, type);
827 if (r < 0)
828 return log_oom();
829
830 r = strv_extend(listening, path);
831 if (r < 0)
832 return log_oom();
833
834 n++;
835 }
836 if (r < 0)
837 return bus_log_parse_error(r);
838
839 r = sd_bus_message_exit_container(reply);
840 if (r < 0)
841 return bus_log_parse_error(r);
842
843 return n;
844 }
845
846 struct socket_info {
847 const char *machine;
848 const char* id;
849
850 char* type;
851 char* path;
852
853 /* Note: triggered is a list here, although it almost certainly
854 * will always be one unit. Nevertheless, dbus API allows for multiple
855 * values, so let's follow that. */
856 char** triggered;
857
858 /* The strv above is shared. free is set only in the first one. */
859 bool own_triggered;
860 };
861
862 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
863 int r;
864
865 assert(a);
866 assert(b);
867
868 if (!a->machine && b->machine)
869 return -1;
870 if (a->machine && !b->machine)
871 return 1;
872 if (a->machine && b->machine) {
873 r = strcasecmp(a->machine, b->machine);
874 if (r != 0)
875 return r;
876 }
877
878 r = strcmp(a->path, b->path);
879 if (r == 0)
880 r = strcmp(a->type, b->type);
881
882 return r;
883 }
884
885 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
886 struct socket_info *s;
887 unsigned pathlen = STRLEN("LISTEN"),
888 typelen = STRLEN("TYPE") * arg_show_types,
889 socklen = STRLEN("UNIT"),
890 servlen = STRLEN("ACTIVATES");
891 const char *on, *off;
892
893 for (s = socket_infos; s < socket_infos + cs; s++) {
894 unsigned tmp = 0;
895 char **a;
896
897 socklen = MAX(socklen, strlen(s->id));
898 if (arg_show_types)
899 typelen = MAX(typelen, strlen(s->type));
900 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
901
902 STRV_FOREACH(a, s->triggered)
903 tmp += strlen(*a) + 2*(a != s->triggered);
904 servlen = MAX(servlen, tmp);
905 }
906
907 if (cs) {
908 if (!arg_no_legend)
909 printf("%-*s %-*.*s%-*s %s\n",
910 pathlen, "LISTEN",
911 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
912 socklen, "UNIT",
913 "ACTIVATES");
914
915 for (s = socket_infos; s < socket_infos + cs; s++) {
916 _cleanup_free_ char *j = NULL;
917 const char *path;
918 char **a;
919
920 if (s->machine) {
921 j = strjoin(s->machine, ":", s->path);
922 if (!j)
923 return log_oom();
924 path = j;
925 } else
926 path = s->path;
927
928 if (arg_show_types)
929 printf("%-*s %-*s %-*s",
930 pathlen, path, typelen, s->type, socklen, s->id);
931 else
932 printf("%-*s %-*s",
933 pathlen, path, socklen, s->id);
934 STRV_FOREACH(a, s->triggered)
935 printf("%s %s",
936 a == s->triggered ? "" : ",", *a);
937 printf("\n");
938 }
939
940 on = ansi_highlight();
941 off = ansi_normal();
942 if (!arg_no_legend)
943 printf("\n");
944 } else {
945 on = ansi_highlight_red();
946 off = ansi_normal();
947 }
948
949 if (!arg_no_legend) {
950 printf("%s%u sockets listed.%s\n", on, cs, off);
951 if (!arg_all)
952 printf("Pass --all to see loaded but inactive sockets, too.\n");
953 }
954
955 return 0;
956 }
957
958 static int list_sockets(int argc, char *argv[], void *userdata) {
959 _cleanup_(message_set_freep) Set *replies = NULL;
960 _cleanup_strv_free_ char **machines = NULL;
961 _cleanup_free_ UnitInfo *unit_infos = NULL;
962 _cleanup_free_ struct socket_info *socket_infos = NULL;
963 const UnitInfo *u;
964 struct socket_info *s;
965 unsigned cs = 0;
966 size_t size = 0;
967 int r = 0, n;
968 sd_bus *bus;
969
970 r = acquire_bus(BUS_MANAGER, &bus);
971 if (r < 0)
972 return r;
973
974 (void) pager_open(arg_pager_flags);
975
976 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
977 if (n < 0)
978 return n;
979
980 for (u = unit_infos; u < unit_infos + n; u++) {
981 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
982 int i, c;
983
984 if (!endswith(u->id, ".socket"))
985 continue;
986
987 r = get_triggered_units(bus, u->unit_path, &triggered);
988 if (r < 0)
989 goto cleanup;
990
991 c = get_listening(bus, u->unit_path, &listening);
992 if (c < 0) {
993 r = c;
994 goto cleanup;
995 }
996
997 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
998 r = log_oom();
999 goto cleanup;
1000 }
1001
1002 for (i = 0; i < c; i++)
1003 socket_infos[cs + i] = (struct socket_info) {
1004 .machine = u->machine,
1005 .id = u->id,
1006 .type = listening[i*2],
1007 .path = listening[i*2 + 1],
1008 .triggered = triggered,
1009 .own_triggered = i==0,
1010 };
1011
1012 /* from this point on we will cleanup those socket_infos */
1013 cs += c;
1014 free(listening);
1015 listening = triggered = NULL; /* avoid cleanup */
1016 }
1017
1018 typesafe_qsort(socket_infos, cs, socket_info_compare);
1019
1020 output_sockets_list(socket_infos, cs);
1021
1022 cleanup:
1023 assert(cs == 0 || socket_infos);
1024 for (s = socket_infos; s < socket_infos + cs; s++) {
1025 free(s->type);
1026 free(s->path);
1027 if (s->own_triggered)
1028 strv_free(s->triggered);
1029 }
1030
1031 return r;
1032 }
1033
1034 static int get_next_elapse(
1035 sd_bus *bus,
1036 const char *path,
1037 dual_timestamp *next) {
1038
1039 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1040 dual_timestamp t;
1041 int r;
1042
1043 assert(bus);
1044 assert(path);
1045 assert(next);
1046
1047 r = sd_bus_get_property_trivial(
1048 bus,
1049 "org.freedesktop.systemd1",
1050 path,
1051 "org.freedesktop.systemd1.Timer",
1052 "NextElapseUSecMonotonic",
1053 &error,
1054 't',
1055 &t.monotonic);
1056 if (r < 0)
1057 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1058
1059 r = sd_bus_get_property_trivial(
1060 bus,
1061 "org.freedesktop.systemd1",
1062 path,
1063 "org.freedesktop.systemd1.Timer",
1064 "NextElapseUSecRealtime",
1065 &error,
1066 't',
1067 &t.realtime);
1068 if (r < 0)
1069 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1070
1071 *next = t;
1072 return 0;
1073 }
1074
1075 static int get_last_trigger(
1076 sd_bus *bus,
1077 const char *path,
1078 usec_t *last) {
1079
1080 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1081 int r;
1082
1083 assert(bus);
1084 assert(path);
1085 assert(last);
1086
1087 r = sd_bus_get_property_trivial(
1088 bus,
1089 "org.freedesktop.systemd1",
1090 path,
1091 "org.freedesktop.systemd1.Timer",
1092 "LastTriggerUSec",
1093 &error,
1094 't',
1095 last);
1096 if (r < 0)
1097 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1098
1099 return 0;
1100 }
1101
1102 struct timer_info {
1103 const char* machine;
1104 const char* id;
1105 usec_t next_elapse;
1106 usec_t last_trigger;
1107 char** triggered;
1108 };
1109
1110 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1111 int r;
1112
1113 assert(a);
1114 assert(b);
1115
1116 if (!a->machine && b->machine)
1117 return -1;
1118 if (a->machine && !b->machine)
1119 return 1;
1120 if (a->machine && b->machine) {
1121 r = strcasecmp(a->machine, b->machine);
1122 if (r != 0)
1123 return r;
1124 }
1125
1126 r = CMP(a->next_elapse, b->next_elapse);
1127 if (r != 0)
1128 return r;
1129
1130 return strcmp(a->id, b->id);
1131 }
1132
1133 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1134 struct timer_info *t;
1135 unsigned
1136 nextlen = STRLEN("NEXT"),
1137 leftlen = STRLEN("LEFT"),
1138 lastlen = STRLEN("LAST"),
1139 passedlen = STRLEN("PASSED"),
1140 unitlen = STRLEN("UNIT"),
1141 activatelen = STRLEN("ACTIVATES");
1142
1143 const char *on, *off;
1144
1145 assert(timer_infos || n == 0);
1146
1147 for (t = timer_infos; t < timer_infos + n; t++) {
1148 unsigned ul = 0;
1149 char **a;
1150
1151 if (t->next_elapse > 0) {
1152 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1153
1154 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1155 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1156
1157 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1158 leftlen = MAX(leftlen, strlen(trel));
1159 }
1160
1161 if (t->last_trigger > 0) {
1162 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1163
1164 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1165 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1166
1167 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1168 passedlen = MAX(passedlen, strlen(trel));
1169 }
1170
1171 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1172
1173 STRV_FOREACH(a, t->triggered)
1174 ul += strlen(*a) + 2*(a != t->triggered);
1175
1176 activatelen = MAX(activatelen, ul);
1177 }
1178
1179 if (n > 0) {
1180 if (!arg_no_legend)
1181 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1182 nextlen, "NEXT",
1183 leftlen, "LEFT",
1184 lastlen, "LAST",
1185 passedlen, "PASSED",
1186 unitlen, "UNIT",
1187 "ACTIVATES");
1188
1189 for (t = timer_infos; t < timer_infos + n; t++) {
1190 _cleanup_free_ char *j = NULL;
1191 const char *unit;
1192 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1193 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1194 char **a;
1195
1196 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1197 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1198
1199 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1200 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1201
1202 if (t->machine) {
1203 j = strjoin(t->machine, ":", t->id);
1204 if (!j)
1205 return log_oom();
1206 unit = j;
1207 } else
1208 unit = t->id;
1209
1210 printf("%-*s %-*s %-*s %-*s %-*s",
1211 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1212
1213 STRV_FOREACH(a, t->triggered)
1214 printf("%s %s",
1215 a == t->triggered ? "" : ",", *a);
1216 printf("\n");
1217 }
1218
1219 on = ansi_highlight();
1220 off = ansi_normal();
1221 if (!arg_no_legend)
1222 printf("\n");
1223 } else {
1224 on = ansi_highlight_red();
1225 off = ansi_normal();
1226 }
1227
1228 if (!arg_no_legend) {
1229 printf("%s%u timers listed.%s\n", on, n, off);
1230 if (!arg_all)
1231 printf("Pass --all to see loaded but inactive timers, too.\n");
1232 }
1233
1234 return 0;
1235 }
1236
1237 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1238 usec_t next_elapse;
1239
1240 assert(nw);
1241 assert(next);
1242
1243 if (timestamp_is_set(next->monotonic)) {
1244 usec_t converted;
1245
1246 if (next->monotonic > nw->monotonic)
1247 converted = nw->realtime + (next->monotonic - nw->monotonic);
1248 else
1249 converted = nw->realtime - (nw->monotonic - next->monotonic);
1250
1251 if (timestamp_is_set(next->realtime))
1252 next_elapse = MIN(converted, next->realtime);
1253 else
1254 next_elapse = converted;
1255
1256 } else
1257 next_elapse = next->realtime;
1258
1259 return next_elapse;
1260 }
1261
1262 static int list_timers(int argc, char *argv[], void *userdata) {
1263 _cleanup_(message_set_freep) Set *replies = NULL;
1264 _cleanup_strv_free_ char **machines = NULL;
1265 _cleanup_free_ struct timer_info *timer_infos = NULL;
1266 _cleanup_free_ UnitInfo *unit_infos = NULL;
1267 struct timer_info *t;
1268 const UnitInfo *u;
1269 size_t size = 0;
1270 int n, c = 0;
1271 dual_timestamp nw;
1272 sd_bus *bus;
1273 int r = 0;
1274
1275 r = acquire_bus(BUS_MANAGER, &bus);
1276 if (r < 0)
1277 return r;
1278
1279 (void) pager_open(arg_pager_flags);
1280
1281 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1282 if (n < 0)
1283 return n;
1284
1285 dual_timestamp_get(&nw);
1286
1287 for (u = unit_infos; u < unit_infos + n; u++) {
1288 _cleanup_strv_free_ char **triggered = NULL;
1289 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1290 usec_t m, last = 0;
1291
1292 if (!endswith(u->id, ".timer"))
1293 continue;
1294
1295 r = get_triggered_units(bus, u->unit_path, &triggered);
1296 if (r < 0)
1297 goto cleanup;
1298
1299 r = get_next_elapse(bus, u->unit_path, &next);
1300 if (r < 0)
1301 goto cleanup;
1302
1303 get_last_trigger(bus, u->unit_path, &last);
1304
1305 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1306 r = log_oom();
1307 goto cleanup;
1308 }
1309
1310 m = calc_next_elapse(&nw, &next);
1311
1312 timer_infos[c++] = (struct timer_info) {
1313 .machine = u->machine,
1314 .id = u->id,
1315 .next_elapse = m,
1316 .last_trigger = last,
1317 .triggered = TAKE_PTR(triggered),
1318 };
1319 }
1320
1321 typesafe_qsort(timer_infos, c, timer_info_compare);
1322
1323 output_timers_list(timer_infos, c);
1324
1325 cleanup:
1326 for (t = timer_infos; t < timer_infos + c; t++)
1327 strv_free(t->triggered);
1328
1329 return r;
1330 }
1331
1332 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1333 const char *d1, *d2;
1334
1335 d1 = strrchr(a->path, '.');
1336 d2 = strrchr(b->path, '.');
1337
1338 if (d1 && d2) {
1339 int r;
1340
1341 r = strcasecmp(d1, d2);
1342 if (r != 0)
1343 return r;
1344 }
1345
1346 return strcasecmp(basename(a->path), basename(b->path));
1347 }
1348
1349 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1350 assert(u);
1351
1352 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1353 return false;
1354
1355 if (!strv_isempty(arg_types)) {
1356 const char *dot;
1357
1358 dot = strrchr(u->path, '.');
1359 if (!dot)
1360 return false;
1361
1362 if (!strv_find(arg_types, dot+1))
1363 return false;
1364 }
1365
1366 if (!strv_isempty(states) &&
1367 !strv_find(states, unit_file_state_to_string(u->state)))
1368 return false;
1369
1370 return true;
1371 }
1372
1373 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1374 unsigned max_id_len, id_cols, state_cols;
1375 const UnitFileList *u;
1376
1377 max_id_len = STRLEN("UNIT FILE");
1378 state_cols = STRLEN("STATE");
1379
1380 for (u = units; u < units + c; u++) {
1381 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1382 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1383 }
1384
1385 if (!arg_full) {
1386 unsigned basic_cols;
1387
1388 id_cols = MIN(max_id_len, 25u);
1389 basic_cols = 1 + id_cols + state_cols;
1390 if (basic_cols < (unsigned) columns())
1391 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1392 } else
1393 id_cols = max_id_len;
1394
1395 if (!arg_no_legend && c > 0)
1396 printf("%s%-*s %-*s%s\n",
1397 ansi_underline(),
1398 id_cols, "UNIT FILE",
1399 state_cols, "STATE",
1400 ansi_normal());
1401
1402 for (u = units; u < units + c; u++) {
1403 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1404 _cleanup_free_ char *e = NULL;
1405 bool underline;
1406
1407 underline = u + 1 < units + c &&
1408 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1409
1410 if (underline)
1411 on_underline = ansi_underline();
1412
1413 if (IN_SET(u->state,
1414 UNIT_FILE_MASKED,
1415 UNIT_FILE_MASKED_RUNTIME,
1416 UNIT_FILE_DISABLED,
1417 UNIT_FILE_BAD))
1418 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1419 else if (u->state == UNIT_FILE_ENABLED)
1420 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1421
1422 if (on_underline || on_color)
1423 off = ansi_normal();
1424
1425 id = basename(u->path);
1426
1427 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1428
1429 printf("%s%-*s %s%-*s%s\n",
1430 strempty(on_underline),
1431 id_cols, e ? e : id,
1432 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1433 }
1434
1435 if (!arg_no_legend)
1436 printf("\n%u unit files listed.\n", c);
1437 }
1438
1439 static int list_unit_files(int argc, char *argv[], void *userdata) {
1440 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1441 _cleanup_free_ UnitFileList *units = NULL;
1442 UnitFileList *unit;
1443 size_t size = 0;
1444 unsigned c = 0;
1445 const char *state;
1446 char *path;
1447 int r;
1448 bool fallback = false;
1449
1450 if (install_client_side()) {
1451 Hashmap *h;
1452 UnitFileList *u;
1453 Iterator i;
1454 unsigned n_units;
1455
1456 h = hashmap_new(&string_hash_ops);
1457 if (!h)
1458 return log_oom();
1459
1460 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1461 if (r < 0) {
1462 unit_file_list_free(h);
1463 return log_error_errno(r, "Failed to get unit file list: %m");
1464 }
1465
1466 n_units = hashmap_size(h);
1467
1468 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1469 if (!units) {
1470 unit_file_list_free(h);
1471 return log_oom();
1472 }
1473
1474 HASHMAP_FOREACH(u, h, i) {
1475 if (!output_show_unit_file(u, NULL, NULL))
1476 continue;
1477
1478 units[c++] = *u;
1479 free(u);
1480 }
1481
1482 assert(c <= n_units);
1483 hashmap_free(h);
1484
1485 r = 0;
1486 } else {
1487 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1488 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1489 sd_bus *bus;
1490
1491 r = acquire_bus(BUS_MANAGER, &bus);
1492 if (r < 0)
1493 return r;
1494
1495 r = sd_bus_message_new_method_call(
1496 bus,
1497 &m,
1498 "org.freedesktop.systemd1",
1499 "/org/freedesktop/systemd1",
1500 "org.freedesktop.systemd1.Manager",
1501 "ListUnitFilesByPatterns");
1502 if (r < 0)
1503 return bus_log_create_error(r);
1504
1505 r = sd_bus_message_append_strv(m, arg_states);
1506 if (r < 0)
1507 return bus_log_create_error(r);
1508
1509 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1510 if (r < 0)
1511 return bus_log_create_error(r);
1512
1513 r = sd_bus_call(bus, m, 0, &error, &reply);
1514 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1515 /* Fallback to legacy ListUnitFiles method */
1516 fallback = true;
1517 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1518 m = sd_bus_message_unref(m);
1519 sd_bus_error_free(&error);
1520
1521 r = sd_bus_message_new_method_call(
1522 bus,
1523 &m,
1524 "org.freedesktop.systemd1",
1525 "/org/freedesktop/systemd1",
1526 "org.freedesktop.systemd1.Manager",
1527 "ListUnitFiles");
1528 if (r < 0)
1529 return bus_log_create_error(r);
1530
1531 r = sd_bus_call(bus, m, 0, &error, &reply);
1532 }
1533 if (r < 0)
1534 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1535
1536 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1537 if (r < 0)
1538 return bus_log_parse_error(r);
1539
1540 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1541
1542 if (!GREEDY_REALLOC(units, size, c + 1))
1543 return log_oom();
1544
1545 units[c] = (struct UnitFileList) {
1546 path,
1547 unit_file_state_from_string(state)
1548 };
1549
1550 if (output_show_unit_file(&units[c],
1551 fallback ? arg_states : NULL,
1552 fallback ? strv_skip(argv, 1) : NULL))
1553 c++;
1554
1555 }
1556 if (r < 0)
1557 return bus_log_parse_error(r);
1558
1559 r = sd_bus_message_exit_container(reply);
1560 if (r < 0)
1561 return bus_log_parse_error(r);
1562 }
1563
1564 (void) pager_open(arg_pager_flags);
1565
1566 typesafe_qsort(units, c, compare_unit_file_list);
1567 output_unit_file_list(units, c);
1568
1569 if (install_client_side())
1570 for (unit = units; unit < units + c; unit++)
1571 free(unit->path);
1572
1573 return 0;
1574 }
1575
1576 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1577 _cleanup_free_ char *n = NULL;
1578 size_t max_len = MAX(columns(),20u);
1579 size_t len = 0;
1580 int i;
1581
1582 if (!arg_plain) {
1583
1584 for (i = level - 1; i >= 0; i--) {
1585 len += 2;
1586 if (len > max_len - 3 && !arg_full) {
1587 printf("%s...\n",max_len % 2 ? "" : " ");
1588 return 0;
1589 }
1590 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1591 }
1592 len += 2;
1593
1594 if (len > max_len - 3 && !arg_full) {
1595 printf("%s...\n",max_len % 2 ? "" : " ");
1596 return 0;
1597 }
1598
1599 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1600 }
1601
1602 if (arg_full) {
1603 printf("%s\n", name);
1604 return 0;
1605 }
1606
1607 n = ellipsize(name, max_len-len, 100);
1608 if (!n)
1609 return log_oom();
1610
1611 printf("%s\n", n);
1612 return 0;
1613 }
1614
1615 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1616 struct DependencyStatusInfo {
1617 char **dep[5];
1618 } info = {};
1619
1620 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1621 [DEPENDENCY_FORWARD] = {
1622 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1623 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1624 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1625 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1626 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1627 {}
1628 },
1629 [DEPENDENCY_REVERSE] = {
1630 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1631 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1632 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1633 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1634 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1635 {}
1636 },
1637 [DEPENDENCY_AFTER] = {
1638 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1639 {}
1640 },
1641 [DEPENDENCY_BEFORE] = {
1642 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1643 {}
1644 },
1645 };
1646
1647 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1648 _cleanup_strv_free_ char **ret = NULL;
1649 _cleanup_free_ char *dbus_path = NULL;
1650 int i, r;
1651
1652 assert(bus);
1653 assert(name);
1654 assert(deps);
1655
1656 dbus_path = unit_dbus_path_from_name(name);
1657 if (!dbus_path)
1658 return log_oom();
1659
1660 r = bus_map_all_properties(bus,
1661 "org.freedesktop.systemd1",
1662 dbus_path,
1663 map[arg_dependency],
1664 BUS_MAP_STRDUP,
1665 &error,
1666 NULL,
1667 &info);
1668 if (r < 0)
1669 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1670
1671 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1672 *deps = info.dep[0];
1673 return 0;
1674 }
1675
1676 for (i = 0; i < 5; i++) {
1677 r = strv_extend_strv(&ret, info.dep[i], true);
1678 if (r < 0)
1679 return log_oom();
1680 info.dep[i] = strv_free(info.dep[i]);
1681 }
1682
1683 *deps = TAKE_PTR(ret);
1684
1685 return 0;
1686 }
1687
1688 static int list_dependencies_compare(char * const *a, char * const *b) {
1689 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1690 return 1;
1691 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1692 return -1;
1693
1694 return strcasecmp(*a, *b);
1695 }
1696
1697 static int list_dependencies_one(
1698 sd_bus *bus,
1699 const char *name,
1700 int level,
1701 char ***units,
1702 unsigned branches) {
1703
1704 _cleanup_strv_free_ char **deps = NULL;
1705 char **c;
1706 int r = 0;
1707
1708 assert(bus);
1709 assert(name);
1710 assert(units);
1711
1712 r = strv_extend(units, name);
1713 if (r < 0)
1714 return log_oom();
1715
1716 r = list_dependencies_get_dependencies(bus, name, &deps);
1717 if (r < 0)
1718 return r;
1719
1720 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1721
1722 STRV_FOREACH(c, deps) {
1723 if (strv_contains(*units, *c)) {
1724 if (!arg_plain) {
1725 printf(" ");
1726 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1727 if (r < 0)
1728 return r;
1729 }
1730 continue;
1731 }
1732
1733 if (arg_plain)
1734 printf(" ");
1735 else {
1736 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1737 const char *on;
1738
1739 (void) get_state_one_unit(bus, *c, &active_state);
1740
1741 switch (active_state) {
1742 case UNIT_ACTIVE:
1743 case UNIT_RELOADING:
1744 case UNIT_ACTIVATING:
1745 on = ansi_highlight_green();
1746 break;
1747
1748 case UNIT_INACTIVE:
1749 case UNIT_DEACTIVATING:
1750 on = ansi_normal();
1751 break;
1752
1753 default:
1754 on = ansi_highlight_red();
1755 break;
1756 }
1757
1758 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1759 }
1760
1761 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1762 if (r < 0)
1763 return r;
1764
1765 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1766 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1767 if (r < 0)
1768 return r;
1769 }
1770 }
1771
1772 if (!arg_plain)
1773 strv_remove(*units, name);
1774
1775 return 0;
1776 }
1777
1778 static int list_dependencies(int argc, char *argv[], void *userdata) {
1779 _cleanup_strv_free_ char **units = NULL;
1780 _cleanup_free_ char *unit = NULL;
1781 const char *u;
1782 sd_bus *bus;
1783 int r;
1784
1785 if (argv[1]) {
1786 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1787 if (r < 0)
1788 return log_error_errno(r, "Failed to mangle unit name: %m");
1789
1790 u = unit;
1791 } else
1792 u = SPECIAL_DEFAULT_TARGET;
1793
1794 r = acquire_bus(BUS_MANAGER, &bus);
1795 if (r < 0)
1796 return r;
1797
1798 (void) pager_open(arg_pager_flags);
1799
1800 puts(u);
1801
1802 return list_dependencies_one(bus, u, 0, &units, 0);
1803 }
1804
1805 struct machine_info {
1806 bool is_host;
1807 char *name;
1808 char *state;
1809 char *control_group;
1810 uint32_t n_failed_units;
1811 uint32_t n_jobs;
1812 usec_t timestamp;
1813 };
1814
1815 static const struct bus_properties_map machine_info_property_map[] = {
1816 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1817 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1818 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1819 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1820 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1821 {}
1822 };
1823
1824 static void machine_info_clear(struct machine_info *info) {
1825 assert(info);
1826
1827 free(info->name);
1828 free(info->state);
1829 free(info->control_group);
1830 zero(*info);
1831 }
1832
1833 static void free_machines_list(struct machine_info *machine_infos, int n) {
1834 int i;
1835
1836 if (!machine_infos)
1837 return;
1838
1839 for (i = 0; i < n; i++)
1840 machine_info_clear(&machine_infos[i]);
1841
1842 free(machine_infos);
1843 }
1844
1845 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1846 int r;
1847
1848 r = CMP(b->is_host, a->is_host);
1849 if (r != 0)
1850 return r;
1851
1852 return strcasecmp(a->name, b->name);
1853 }
1854
1855 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1856 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1857 int r;
1858
1859 assert(mi);
1860
1861 if (!bus) {
1862 r = sd_bus_open_system_machine(&container, mi->name);
1863 if (r < 0)
1864 return r;
1865
1866 bus = container;
1867 }
1868
1869 r = bus_map_all_properties(
1870 bus,
1871 "org.freedesktop.systemd1",
1872 "/org/freedesktop/systemd1",
1873 machine_info_property_map,
1874 BUS_MAP_STRDUP,
1875 NULL,
1876 NULL,
1877 mi);
1878 if (r < 0)
1879 return r;
1880
1881 return 0;
1882 }
1883
1884 static bool output_show_machine(const char *name, char **patterns) {
1885 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1886 }
1887
1888 static int get_machine_list(
1889 sd_bus *bus,
1890 struct machine_info **_machine_infos,
1891 char **patterns) {
1892
1893 struct machine_info *machine_infos = NULL;
1894 _cleanup_strv_free_ char **m = NULL;
1895 _cleanup_free_ char *hn = NULL;
1896 size_t sz = 0;
1897 char **i;
1898 int c = 0, r;
1899
1900 hn = gethostname_malloc();
1901 if (!hn)
1902 return log_oom();
1903
1904 if (output_show_machine(hn, patterns)) {
1905 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1906 return log_oom();
1907
1908 machine_infos[c].is_host = true;
1909 machine_infos[c].name = TAKE_PTR(hn);
1910
1911 (void) get_machine_properties(bus, &machine_infos[c]);
1912 c++;
1913 }
1914
1915 r = sd_get_machine_names(&m);
1916 if (r < 0)
1917 return log_error_errno(r, "Failed to get machine list: %m");
1918
1919 STRV_FOREACH(i, m) {
1920 _cleanup_free_ char *class = NULL;
1921
1922 if (!output_show_machine(*i, patterns))
1923 continue;
1924
1925 sd_machine_get_class(*i, &class);
1926 if (!streq_ptr(class, "container"))
1927 continue;
1928
1929 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1930 free_machines_list(machine_infos, c);
1931 return log_oom();
1932 }
1933
1934 machine_infos[c].is_host = false;
1935 machine_infos[c].name = strdup(*i);
1936 if (!machine_infos[c].name) {
1937 free_machines_list(machine_infos, c);
1938 return log_oom();
1939 }
1940
1941 (void) get_machine_properties(NULL, &machine_infos[c]);
1942 c++;
1943 }
1944
1945 *_machine_infos = machine_infos;
1946 return c;
1947 }
1948
1949 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1950 struct machine_info *m;
1951 unsigned
1952 circle_len = 0,
1953 namelen = STRLEN("NAME"),
1954 statelen = STRLEN("STATE"),
1955 failedlen = STRLEN("FAILED"),
1956 jobslen = STRLEN("JOBS");
1957 bool state_missing = false;
1958
1959 assert(machine_infos || n == 0);
1960
1961 for (m = machine_infos; m < machine_infos + n; m++) {
1962 namelen = MAX(namelen,
1963 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1964 statelen = MAX(statelen, strlen_ptr(m->state));
1965 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1966 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1967
1968 if (!arg_plain && m->state && !streq(m->state, "running"))
1969 circle_len = 2;
1970 }
1971
1972 if (!arg_no_legend) {
1973 if (circle_len > 0)
1974 fputs(" ", stdout);
1975
1976 printf("%-*s %-*s %-*s %-*s\n",
1977 namelen, "NAME",
1978 statelen, "STATE",
1979 failedlen, "FAILED",
1980 jobslen, "JOBS");
1981 }
1982
1983 for (m = machine_infos; m < machine_infos + n; m++) {
1984 const char *on_state = "", *off_state = "";
1985 const char *on_failed = "", *off_failed = "";
1986 bool circle = false;
1987
1988 if (streq_ptr(m->state, "degraded")) {
1989 on_state = ansi_highlight_red();
1990 off_state = ansi_normal();
1991 circle = true;
1992 } else if (!streq_ptr(m->state, "running")) {
1993 on_state = ansi_highlight_yellow();
1994 off_state = ansi_normal();
1995 circle = true;
1996 }
1997
1998 if (m->n_failed_units > 0) {
1999 on_failed = ansi_highlight_red();
2000 off_failed = ansi_normal();
2001 } else
2002 on_failed = off_failed = "";
2003
2004 if (circle_len > 0)
2005 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
2006
2007 if (!m->state)
2008 state_missing = true;
2009
2010 if (m->is_host)
2011 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2012 (int) (namelen - strlen(" (host)")),
2013 strna(m->name),
2014 on_state, statelen, strna(m->state), off_state,
2015 on_failed, failedlen, m->n_failed_units, off_failed,
2016 jobslen, m->n_jobs);
2017 else
2018 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2019 namelen, strna(m->name),
2020 on_state, statelen, strna(m->state), off_state,
2021 on_failed, failedlen, m->n_failed_units, off_failed,
2022 jobslen, m->n_jobs);
2023 }
2024
2025 if (!arg_no_legend) {
2026 printf("\n");
2027 if (state_missing && geteuid() != 0)
2028 printf("Notice: some information only available to privileged users was not shown.\n");
2029 printf("%u machines listed.\n", n);
2030 }
2031 }
2032
2033 static int list_machines(int argc, char *argv[], void *userdata) {
2034 struct machine_info *machine_infos = NULL;
2035 sd_bus *bus;
2036 int r;
2037
2038 r = acquire_bus(BUS_MANAGER, &bus);
2039 if (r < 0)
2040 return r;
2041
2042 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2043 if (r < 0)
2044 return r;
2045
2046 (void) pager_open(arg_pager_flags);
2047
2048 typesafe_qsort(machine_infos, r, compare_machine_info);
2049 output_machines_list(machine_infos, r);
2050 free_machines_list(machine_infos, r);
2051
2052 return 0;
2053 }
2054
2055 static int get_default(int argc, char *argv[], void *userdata) {
2056 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2057 _cleanup_free_ char *_path = NULL;
2058 const char *path;
2059 int r;
2060
2061 if (install_client_side()) {
2062 r = unit_file_get_default(arg_scope, arg_root, &_path);
2063 if (r < 0)
2064 return log_error_errno(r, "Failed to get default target: %m");
2065 path = _path;
2066
2067 r = 0;
2068 } else {
2069 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2070 sd_bus *bus;
2071
2072 r = acquire_bus(BUS_MANAGER, &bus);
2073 if (r < 0)
2074 return r;
2075
2076 r = sd_bus_call_method(
2077 bus,
2078 "org.freedesktop.systemd1",
2079 "/org/freedesktop/systemd1",
2080 "org.freedesktop.systemd1.Manager",
2081 "GetDefaultTarget",
2082 &error,
2083 &reply,
2084 NULL);
2085 if (r < 0)
2086 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2087
2088 r = sd_bus_message_read(reply, "s", &path);
2089 if (r < 0)
2090 return bus_log_parse_error(r);
2091 }
2092
2093 if (path)
2094 printf("%s\n", path);
2095
2096 return 0;
2097 }
2098
2099 static int set_default(int argc, char *argv[], void *userdata) {
2100 _cleanup_free_ char *unit = NULL;
2101 UnitFileChange *changes = NULL;
2102 size_t n_changes = 0;
2103 int r;
2104
2105 assert(argc >= 2);
2106 assert(argv);
2107
2108 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2109 if (r < 0)
2110 return log_error_errno(r, "Failed to mangle unit name: %m");
2111
2112 if (install_client_side()) {
2113 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2114 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2115
2116 if (r > 0)
2117 r = 0;
2118 } else {
2119 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2120 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2121 sd_bus *bus;
2122
2123 polkit_agent_open_maybe();
2124
2125 r = acquire_bus(BUS_MANAGER, &bus);
2126 if (r < 0)
2127 return r;
2128
2129 r = sd_bus_call_method(
2130 bus,
2131 "org.freedesktop.systemd1",
2132 "/org/freedesktop/systemd1",
2133 "org.freedesktop.systemd1.Manager",
2134 "SetDefaultTarget",
2135 &error,
2136 &reply,
2137 "sb", unit, 1);
2138 if (r < 0)
2139 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2140
2141 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2142 if (r < 0)
2143 goto finish;
2144
2145 /* Try to reload if enabled */
2146 if (!arg_no_reload)
2147 r = daemon_reload(argc, argv, userdata);
2148 else
2149 r = 0;
2150 }
2151
2152 finish:
2153 unit_file_changes_free(changes, n_changes);
2154
2155 return r;
2156 }
2157
2158 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2159 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2160 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2161 const char *name, *type;
2162 uint32_t other_id;
2163 int r;
2164
2165 assert(bus);
2166
2167 r = sd_bus_call_method(
2168 bus,
2169 "org.freedesktop.systemd1",
2170 "/org/freedesktop/systemd1",
2171 "org.freedesktop.systemd1.Manager",
2172 method,
2173 &error,
2174 &reply,
2175 "u", id);
2176 if (r < 0)
2177 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2178
2179 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2180 if (r < 0)
2181 return bus_log_parse_error(r);
2182
2183 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2184 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2185 if (r < 0)
2186 return bus_log_parse_error(r);
2187
2188 r = sd_bus_message_exit_container(reply);
2189 if (r < 0)
2190 return bus_log_parse_error(r);
2191
2192 return 0;
2193 }
2194
2195 struct job_info {
2196 uint32_t id;
2197 const char *name, *type, *state;
2198 };
2199
2200 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2201 unsigned id_len, unit_len, type_len, state_len;
2202 const struct job_info *j;
2203 const char *on, *off;
2204 bool shorten = false;
2205
2206 assert(n == 0 || jobs);
2207
2208 if (n == 0) {
2209 if (!arg_no_legend) {
2210 on = ansi_highlight_green();
2211 off = ansi_normal();
2212
2213 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2214 }
2215 return;
2216 }
2217
2218 (void) pager_open(arg_pager_flags);
2219
2220 id_len = STRLEN("JOB");
2221 unit_len = STRLEN("UNIT");
2222 type_len = STRLEN("TYPE");
2223 state_len = STRLEN("STATE");
2224
2225 for (j = jobs; j < jobs + n; j++) {
2226 uint32_t id = j->id;
2227 assert(j->name && j->type && j->state);
2228
2229 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2230 unit_len = MAX(unit_len, strlen(j->name));
2231 type_len = MAX(type_len, strlen(j->type));
2232 state_len = MAX(state_len, strlen(j->state));
2233 }
2234
2235 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2236 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2237 shorten = true;
2238 }
2239
2240 if (!arg_no_legend)
2241 printf("%*s %-*s %-*s %-*s\n",
2242 id_len, "JOB",
2243 unit_len, "UNIT",
2244 type_len, "TYPE",
2245 state_len, "STATE");
2246
2247 for (j = jobs; j < jobs + n; j++) {
2248 _cleanup_free_ char *e = NULL;
2249
2250 if (streq(j->state, "running")) {
2251 on = ansi_highlight();
2252 off = ansi_normal();
2253 } else
2254 on = off = "";
2255
2256 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2257 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2258 id_len, j->id,
2259 on, unit_len, e ? e : j->name, off,
2260 type_len, j->type,
2261 on, state_len, j->state, off);
2262
2263 if (arg_jobs_after)
2264 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2265 if (arg_jobs_before)
2266 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2267 }
2268
2269 if (!arg_no_legend) {
2270 on = ansi_highlight();
2271 off = ansi_normal();
2272
2273 printf("\n%s%u jobs listed%s.\n", on, n, off);
2274 }
2275 }
2276
2277 static bool output_show_job(struct job_info *job, char **patterns) {
2278 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2279 }
2280
2281 static int list_jobs(int argc, char *argv[], void *userdata) {
2282 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2283 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2284 _cleanup_free_ struct job_info *jobs = NULL;
2285 const char *name, *type, *state;
2286 bool skipped = false;
2287 size_t size = 0;
2288 unsigned c = 0;
2289 sd_bus *bus;
2290 uint32_t id;
2291 int r;
2292
2293 r = acquire_bus(BUS_MANAGER, &bus);
2294 if (r < 0)
2295 return r;
2296
2297 r = sd_bus_call_method(
2298 bus,
2299 "org.freedesktop.systemd1",
2300 "/org/freedesktop/systemd1",
2301 "org.freedesktop.systemd1.Manager",
2302 "ListJobs",
2303 &error,
2304 &reply,
2305 NULL);
2306 if (r < 0)
2307 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2308
2309 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2310 if (r < 0)
2311 return bus_log_parse_error(r);
2312
2313 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2314 struct job_info job = { id, name, type, state };
2315
2316 if (!output_show_job(&job, strv_skip(argv, 1))) {
2317 skipped = true;
2318 continue;
2319 }
2320
2321 if (!GREEDY_REALLOC(jobs, size, c + 1))
2322 return log_oom();
2323
2324 jobs[c++] = job;
2325 }
2326 if (r < 0)
2327 return bus_log_parse_error(r);
2328
2329 r = sd_bus_message_exit_container(reply);
2330 if (r < 0)
2331 return bus_log_parse_error(r);
2332
2333 (void) pager_open(arg_pager_flags);
2334
2335 output_jobs_list(bus, jobs, c, skipped);
2336 return 0;
2337 }
2338
2339 static int cancel_job(int argc, char *argv[], void *userdata) {
2340 sd_bus *bus;
2341 char **name;
2342 int r = 0;
2343
2344 if (argc <= 1)
2345 return trivial_method(argc, argv, userdata);
2346
2347 r = acquire_bus(BUS_MANAGER, &bus);
2348 if (r < 0)
2349 return r;
2350
2351 polkit_agent_open_maybe();
2352
2353 STRV_FOREACH(name, strv_skip(argv, 1)) {
2354 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2355 uint32_t id;
2356 int q;
2357
2358 q = safe_atou32(*name, &id);
2359 if (q < 0)
2360 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2361
2362 q = sd_bus_call_method(
2363 bus,
2364 "org.freedesktop.systemd1",
2365 "/org/freedesktop/systemd1",
2366 "org.freedesktop.systemd1.Manager",
2367 "CancelJob",
2368 &error,
2369 NULL,
2370 "u", id);
2371 if (q < 0) {
2372 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2373 if (r == 0)
2374 r = q;
2375 }
2376 }
2377
2378 return r;
2379 }
2380
2381 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2382 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2383 const char *path;
2384 int b, r;
2385
2386 /* We ignore all errors here, since this is used to show a
2387 * warning only */
2388
2389 /* We don't use unit_dbus_path_from_name() directly since we
2390 * don't want to load the unit if it isn't loaded. */
2391
2392 r = sd_bus_call_method(
2393 bus,
2394 "org.freedesktop.systemd1",
2395 "/org/freedesktop/systemd1",
2396 "org.freedesktop.systemd1.Manager",
2397 "GetUnit",
2398 NULL,
2399 &reply,
2400 "s", unit);
2401 if (r < 0)
2402 return r;
2403
2404 r = sd_bus_message_read(reply, "o", &path);
2405 if (r < 0)
2406 return r;
2407
2408 r = sd_bus_get_property_trivial(
2409 bus,
2410 "org.freedesktop.systemd1",
2411 path,
2412 "org.freedesktop.systemd1.Unit",
2413 "NeedDaemonReload",
2414 NULL,
2415 'b', &b);
2416 if (r < 0)
2417 return r;
2418
2419 return b;
2420 }
2421
2422 static void warn_unit_file_changed(const char *name) {
2423 assert(name);
2424
2425 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.",
2426 ansi_highlight_red(),
2427 ansi_normal(),
2428 name,
2429 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2430 }
2431
2432 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2433 char **p;
2434
2435 assert(lp);
2436 assert(unit_name);
2437
2438 STRV_FOREACH(p, lp->search_path) {
2439 _cleanup_free_ char *path = NULL, *lpath = NULL;
2440 int r;
2441
2442 path = path_join(*p, unit_name);
2443 if (!path)
2444 return log_oom();
2445
2446 r = chase_symlinks(path, arg_root, 0, &lpath);
2447 if (r == -ENOENT)
2448 continue;
2449 if (r == -ENOMEM)
2450 return log_oom();
2451 if (r < 0)
2452 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2453
2454 if (ret_unit_path)
2455 *ret_unit_path = TAKE_PTR(lpath);
2456
2457 return 1;
2458 }
2459
2460 if (ret_unit_path)
2461 *ret_unit_path = NULL;
2462
2463 return 0;
2464 }
2465
2466 static int unit_find_template_path(
2467 const char *unit_name,
2468 LookupPaths *lp,
2469 char **ret_fragment_path,
2470 char **ret_template) {
2471
2472 _cleanup_free_ char *t = NULL, *f = NULL;
2473 int r;
2474
2475 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2476
2477 r = unit_file_find_path(lp, unit_name, &f);
2478 if (r < 0)
2479 return r;
2480 if (r > 0) {
2481 if (ret_fragment_path)
2482 *ret_fragment_path = TAKE_PTR(f);
2483 if (ret_template)
2484 *ret_template = NULL;
2485 return r; /* found a real unit */
2486 }
2487
2488 r = unit_name_template(unit_name, &t);
2489 if (r == -EINVAL) {
2490 if (ret_fragment_path)
2491 *ret_fragment_path = NULL;
2492 if (ret_template)
2493 *ret_template = NULL;
2494
2495 return 0; /* not a template, does not exist */
2496 }
2497 if (r < 0)
2498 return log_error_errno(r, "Failed to determine template name: %m");
2499
2500 r = unit_file_find_path(lp, t, ret_fragment_path);
2501 if (r < 0)
2502 return r;
2503
2504 if (ret_template)
2505 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2506
2507 return r;
2508 }
2509
2510 static int unit_find_paths(
2511 sd_bus *bus,
2512 const char *unit_name,
2513 LookupPaths *lp,
2514 bool force_client_side,
2515 char **ret_fragment_path,
2516 char ***ret_dropin_paths) {
2517
2518 _cleanup_strv_free_ char **dropins = NULL;
2519 _cleanup_free_ char *path = NULL;
2520 int r;
2521
2522 /**
2523 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2524 * found, and sets:
2525 * - the path to the unit in *ret_frament_path, if it exists on disk,
2526 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2527 * were found.
2528 *
2529 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2530 * some reason (the latter only applies if we are going through the service manager).
2531 */
2532
2533 assert(unit_name);
2534 assert(ret_fragment_path);
2535 assert(lp);
2536
2537 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2538 if (!force_client_side &&
2539 !install_client_side() &&
2540 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2541 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2542 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2543
2544 dbus_path = unit_dbus_path_from_name(unit_name);
2545 if (!dbus_path)
2546 return log_oom();
2547
2548 r = sd_bus_get_property_string(
2549 bus,
2550 "org.freedesktop.systemd1",
2551 dbus_path,
2552 "org.freedesktop.systemd1.Unit",
2553 "LoadState",
2554 &error,
2555 &load_state);
2556 if (r < 0)
2557 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2558
2559 if (streq(load_state, "masked"))
2560 return -ERFKILL;
2561 if (streq(load_state, "not-found")) {
2562 r = 0;
2563 goto not_found;
2564 }
2565 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2566 return -EKEYREJECTED;
2567
2568 r = sd_bus_get_property_string(
2569 bus,
2570 "org.freedesktop.systemd1",
2571 dbus_path,
2572 "org.freedesktop.systemd1.Unit",
2573 "FragmentPath",
2574 &error,
2575 &path);
2576 if (r < 0)
2577 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2578
2579 if (ret_dropin_paths) {
2580 r = sd_bus_get_property_strv(
2581 bus,
2582 "org.freedesktop.systemd1",
2583 dbus_path,
2584 "org.freedesktop.systemd1.Unit",
2585 "DropInPaths",
2586 &error,
2587 &dropins);
2588 if (r < 0)
2589 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2590 }
2591 } else {
2592 const char *_path;
2593 _cleanup_set_free_free_ Set *names = NULL;
2594
2595 if (!cached_name_map) {
2596 r = unit_file_build_name_map(lp, &cached_id_map, &cached_name_map, NULL);
2597 if (r < 0)
2598 return r;
2599 }
2600
2601 r = unit_file_find_fragment(cached_id_map, cached_name_map, unit_name, &_path, &names);
2602 if (r < 0)
2603 return r;
2604
2605 if (_path) {
2606 path = strdup(_path);
2607 if (!path)
2608 return log_oom();
2609 }
2610
2611 if (ret_dropin_paths) {
2612 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2613 ".d", ".conf",
2614 names, &dropins);
2615 if (r < 0)
2616 return r;
2617 }
2618 }
2619
2620 if (isempty(path)) {
2621 *ret_fragment_path = NULL;
2622 r = 0;
2623 } else {
2624 *ret_fragment_path = TAKE_PTR(path);
2625 r = 1;
2626 }
2627
2628 if (ret_dropin_paths) {
2629 if (!strv_isempty(dropins)) {
2630 *ret_dropin_paths = TAKE_PTR(dropins);
2631 r = 1;
2632 } else
2633 *ret_dropin_paths = NULL;
2634 }
2635
2636 not_found:
2637 if (r == 0 && !arg_force)
2638 log_error("No files found for %s.", unit_name);
2639
2640 return r;
2641 }
2642
2643 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2644 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2645 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2646 UnitActiveState state;
2647 int r;
2648
2649 assert(name);
2650 assert(active_state);
2651
2652 dbus_path = unit_dbus_path_from_name(name);
2653 if (!dbus_path)
2654 return log_oom();
2655
2656 r = sd_bus_get_property_string(
2657 bus,
2658 "org.freedesktop.systemd1",
2659 dbus_path,
2660 "org.freedesktop.systemd1.Unit",
2661 "ActiveState",
2662 &error,
2663 &buf);
2664 if (r < 0)
2665 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2666
2667 state = unit_active_state_from_string(buf);
2668 if (state < 0)
2669 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2670
2671 *active_state = state;
2672 return 0;
2673 }
2674
2675 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2676 _cleanup_free_ char *load_state = NULL;
2677 int r;
2678
2679 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2680 _cleanup_free_ char *path = NULL;
2681
2682 /* A template cannot be loaded, but it can be still masked, so
2683 * we need to use a different method. */
2684
2685 r = unit_file_find_path(lp, name, &path);
2686 if (r < 0)
2687 return r;
2688 if (r == 0)
2689 return false;
2690 return null_or_empty_path(path);
2691 }
2692
2693 r = unit_load_state(bus, name, &load_state);
2694 if (r < 0)
2695 return r;
2696
2697 return streq(load_state, "masked");
2698 }
2699
2700 static int check_triggering_units(sd_bus *bus, const char *name) {
2701 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2702 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2703 _cleanup_strv_free_ char **triggered_by = NULL;
2704 bool print_warning_label = true;
2705 UnitActiveState active_state;
2706 char **i;
2707 int r;
2708
2709 r = unit_name_mangle(name, 0, &n);
2710 if (r < 0)
2711 return log_error_errno(r, "Failed to mangle unit name: %m");
2712
2713 r = unit_load_state(bus, name, &load_state);
2714 if (r < 0)
2715 return r;
2716
2717 if (streq(load_state, "masked"))
2718 return 0;
2719
2720 dbus_path = unit_dbus_path_from_name(n);
2721 if (!dbus_path)
2722 return log_oom();
2723
2724 r = sd_bus_get_property_strv(
2725 bus,
2726 "org.freedesktop.systemd1",
2727 dbus_path,
2728 "org.freedesktop.systemd1.Unit",
2729 "TriggeredBy",
2730 &error,
2731 &triggered_by);
2732 if (r < 0)
2733 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2734
2735 STRV_FOREACH(i, triggered_by) {
2736 r = get_state_one_unit(bus, *i, &active_state);
2737 if (r < 0)
2738 return r;
2739
2740 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2741 continue;
2742
2743 if (print_warning_label) {
2744 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2745 print_warning_label = false;
2746 }
2747
2748 log_warning(" %s", *i);
2749 }
2750
2751 return 0;
2752 }
2753
2754 static const struct {
2755 const char *verb; /* systemctl verb */
2756 const char *method; /* Name of the specific D-Bus method */
2757 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2758 } unit_actions[] = {
2759 { "start", "StartUnit", "start" },
2760 { "stop", "StopUnit", "stop" },
2761 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2762 { "reload", "ReloadUnit", "reload" },
2763 { "restart", "RestartUnit", "restart" },
2764 { "try-restart", "TryRestartUnit", "try-restart" },
2765 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2766 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2767 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2768 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2769 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2770 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2771 };
2772
2773 static const char *verb_to_method(const char *verb) {
2774 size_t i;
2775
2776 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2777 if (streq_ptr(unit_actions[i].verb, verb))
2778 return unit_actions[i].method;
2779
2780 return "StartUnit";
2781 }
2782
2783 static const char *verb_to_job_type(const char *verb) {
2784 size_t i;
2785
2786 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2787 if (streq_ptr(unit_actions[i].verb, verb))
2788 return unit_actions[i].job_type;
2789
2790 return "start";
2791 }
2792
2793 static int start_unit_one(
2794 sd_bus *bus,
2795 const char *method, /* When using classic per-job bus methods */
2796 const char *job_type, /* When using new-style EnqueueUnitJob() */
2797 const char *name,
2798 const char *mode,
2799 sd_bus_error *error,
2800 BusWaitForJobs *w,
2801 BusWaitForUnits *wu) {
2802
2803 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2804 const char *path;
2805 bool done = false;
2806 int r;
2807
2808 assert(method);
2809 assert(name);
2810 assert(mode);
2811 assert(error);
2812
2813 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2814 arg_dry_run ? "Would execute" : "Executing",
2815 method, name, mode);
2816
2817 if (arg_dry_run)
2818 return 0;
2819
2820 if (arg_show_transaction) {
2821 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2822
2823 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2824 r = sd_bus_call_method(
2825 bus,
2826 "org.freedesktop.systemd1",
2827 "/org/freedesktop/systemd1",
2828 "org.freedesktop.systemd1.Manager",
2829 "EnqueueUnitJob",
2830 &enqueue_error,
2831 &reply,
2832 "sss",
2833 name, job_type, mode);
2834 if (r < 0) {
2835 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2836 (void) sd_bus_error_move(error, &enqueue_error);
2837 goto fail;
2838 }
2839
2840 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2841 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2842 } else {
2843 const char *u, *jt;
2844 uint32_t id;
2845
2846 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2847 if (r < 0)
2848 return bus_log_parse_error(r);
2849
2850 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2851
2852 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2853 if (r < 0)
2854 return bus_log_parse_error(r);
2855 for (;;) {
2856 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2857 if (r < 0)
2858 return bus_log_parse_error(r);
2859 if (r == 0)
2860 break;
2861
2862 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2863 }
2864
2865 r = sd_bus_message_exit_container(reply);
2866 if (r < 0)
2867 return bus_log_parse_error(r);
2868
2869 done = true;
2870 }
2871 }
2872
2873 if (!done) {
2874 r = sd_bus_call_method(
2875 bus,
2876 "org.freedesktop.systemd1",
2877 "/org/freedesktop/systemd1",
2878 "org.freedesktop.systemd1.Manager",
2879 method,
2880 error,
2881 &reply,
2882 "ss", name, mode);
2883 if (r < 0)
2884 goto fail;
2885
2886 r = sd_bus_message_read(reply, "o", &path);
2887 if (r < 0)
2888 return bus_log_parse_error(r);
2889 }
2890
2891 if (need_daemon_reload(bus, name) > 0)
2892 warn_unit_file_changed(name);
2893
2894 if (w) {
2895 log_debug("Adding %s to the set", path);
2896 r = bus_wait_for_jobs_add(w, path);
2897 if (r < 0)
2898 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2899 }
2900
2901 if (wu) {
2902 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2903 if (r < 0)
2904 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2905 }
2906
2907 return 0;
2908
2909 fail:
2910 /* There's always a fallback possible for legacy actions. */
2911 if (arg_action != ACTION_SYSTEMCTL)
2912 return r;
2913
2914 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2915
2916 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2917 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2918 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2919 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2920 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2921 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2922 name[0] == '-' ? " --" : "",
2923 name);
2924
2925 return r;
2926 }
2927
2928 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2929 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2930 char **name;
2931 int r, i;
2932
2933 assert(bus);
2934 assert(ret);
2935
2936 STRV_FOREACH(name, names) {
2937 char *t;
2938 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2939
2940 if (suffix)
2941 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2942 else
2943 r = unit_name_mangle(*name, options, &t);
2944 if (r < 0)
2945 return log_error_errno(r, "Failed to mangle name: %m");
2946
2947 if (string_is_glob(t))
2948 r = strv_consume(&globs, t);
2949 else
2950 r = strv_consume(&mangled, t);
2951 if (r < 0)
2952 return log_oom();
2953 }
2954
2955 /* Query the manager only if any of the names are a glob, since
2956 * this is fairly expensive */
2957 if (!strv_isempty(globs)) {
2958 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2959 _cleanup_free_ UnitInfo *unit_infos = NULL;
2960 size_t allocated, n;
2961
2962 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2963 if (r < 0)
2964 return r;
2965
2966 n = strv_length(mangled);
2967 allocated = n + 1;
2968
2969 for (i = 0; i < r; i++) {
2970 if (!GREEDY_REALLOC(mangled, allocated, n+2))
2971 return log_oom();
2972
2973 mangled[n] = strdup(unit_infos[i].id);
2974 if (!mangled[n])
2975 return log_oom();
2976
2977 mangled[++n] = NULL;
2978 }
2979 }
2980
2981 *ret = TAKE_PTR(mangled);
2982 return 0;
2983 }
2984
2985 static const struct {
2986 const char *target;
2987 const char *verb;
2988 const char *mode;
2989 } action_table[_ACTION_MAX] = {
2990 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2991 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2992 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2993 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2994 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2995 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2996 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2997 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
2998 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
2999 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3000 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3001 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3002 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3003 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3004 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3005 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3006 };
3007
3008 static enum action verb_to_action(const char *verb) {
3009 enum action i;
3010
3011 for (i = 0; i < _ACTION_MAX; i++)
3012 if (streq_ptr(action_table[i].verb, verb))
3013 return i;
3014
3015 return _ACTION_INVALID;
3016 }
3017
3018 static const char** make_extra_args(const char *extra_args[static 4]) {
3019 size_t n = 0;
3020
3021 assert(extra_args);
3022
3023 if (arg_scope != UNIT_FILE_SYSTEM)
3024 extra_args[n++] = "--user";
3025
3026 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3027 extra_args[n++] = "-H";
3028 extra_args[n++] = arg_host;
3029 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3030 extra_args[n++] = "-M";
3031 extra_args[n++] = arg_host;
3032 } else
3033 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3034
3035 extra_args[n] = NULL;
3036 return extra_args;
3037 }
3038
3039 static int start_unit(int argc, char *argv[], void *userdata) {
3040 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3041 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3042 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3043 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3044 _cleanup_strv_free_ char **names = NULL;
3045 int r, ret = EXIT_SUCCESS;
3046 sd_bus *bus;
3047 char **name;
3048
3049 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3050 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3051 "--wait may only be used with the 'start' or 'restart' commands.");
3052
3053 /* we cannot do sender tracking on the private bus, so we need the full
3054 * one for RefUnit to implement --wait */
3055 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3056 if (r < 0)
3057 return r;
3058
3059 ask_password_agent_open_if_enabled();
3060 polkit_agent_open_maybe();
3061
3062 if (arg_action == ACTION_SYSTEMCTL) {
3063 enum action action;
3064
3065 action = verb_to_action(argv[0]);
3066
3067 if (action != _ACTION_INVALID) {
3068 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3069 method = "StartUnit";
3070 job_type = "start";
3071 mode = action_table[action].mode;
3072 one_name = action_table[action].target;
3073 } else {
3074 if (streq(argv[0], "isolate")) {
3075 /* A "systemctl isolate <unit1> <unit2> …" command */
3076 method = "StartUnit";
3077 job_type = "start";
3078 mode = "isolate";
3079 suffix = ".target";
3080 } else {
3081 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3082 method = verb_to_method(argv[0]);
3083 job_type = verb_to_job_type(argv[0]);
3084 mode = arg_job_mode;
3085 }
3086 one_name = NULL;
3087 }
3088 } else {
3089 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3090 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3091 assert(action_table[arg_action].target);
3092 assert(action_table[arg_action].mode);
3093
3094 method = "StartUnit";
3095 job_type = "start";
3096 mode = action_table[arg_action].mode;
3097 one_name = action_table[arg_action].target;
3098 }
3099
3100 if (one_name) {
3101 names = strv_new(one_name);
3102 if (!names)
3103 return log_oom();
3104 } else {
3105 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3106 if (r < 0)
3107 return log_error_errno(r, "Failed to expand names: %m");
3108 }
3109
3110 if (!arg_no_block) {
3111 r = bus_wait_for_jobs_new(bus, &w);
3112 if (r < 0)
3113 return log_error_errno(r, "Could not watch jobs: %m");
3114 }
3115
3116 if (arg_wait) {
3117 r = sd_bus_call_method_async(
3118 bus,
3119 NULL,
3120 "org.freedesktop.systemd1",
3121 "/org/freedesktop/systemd1",
3122 "org.freedesktop.systemd1.Manager",
3123 "Subscribe",
3124 NULL, NULL,
3125 NULL);
3126 if (r < 0)
3127 return log_error_errno(r, "Failed to enable subscription: %m");
3128
3129 r = bus_wait_for_units_new(bus, &wu);
3130 if (r < 0)
3131 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3132 }
3133
3134 STRV_FOREACH(name, names) {
3135 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3136
3137 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3138 if (ret == EXIT_SUCCESS && r < 0)
3139 ret = translate_bus_error_to_exit_status(r, &error);
3140
3141 if (r >= 0 && streq(method, "StopUnit")) {
3142 r = strv_push(&stopped_units, *name);
3143 if (r < 0)
3144 return log_oom();
3145 }
3146 }
3147
3148 if (!arg_no_block) {
3149 const char* extra_args[4];
3150
3151 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3152 if (r < 0)
3153 return r;
3154
3155 /* When stopping units, warn if they can still be triggered by
3156 * another active unit (socket, path, timer) */
3157 if (!arg_quiet)
3158 STRV_FOREACH(name, stopped_units)
3159 (void) check_triggering_units(bus, *name);
3160 }
3161
3162 if (arg_wait) {
3163 r = bus_wait_for_units_run(wu);
3164 if (r < 0)
3165 return log_error_errno(r, "Failed to wait for units: %m");
3166 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3167 ret = EXIT_FAILURE;
3168 }
3169
3170 return ret;
3171 }
3172
3173 #if ENABLE_LOGIND
3174 static int logind_set_wall_message(void) {
3175 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3176 sd_bus *bus;
3177 _cleanup_free_ char *m = NULL;
3178 int r;
3179
3180 r = acquire_bus(BUS_FULL, &bus);
3181 if (r < 0)
3182 return r;
3183
3184 m = strv_join(arg_wall, " ");
3185 if (!m)
3186 return log_oom();
3187
3188 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3189 if (arg_dry_run)
3190 return 0;
3191
3192 r = sd_bus_call_method(
3193 bus,
3194 "org.freedesktop.login1",
3195 "/org/freedesktop/login1",
3196 "org.freedesktop.login1.Manager",
3197 "SetWallMessage",
3198 &error,
3199 NULL,
3200 "sb",
3201 m,
3202 !arg_no_wall);
3203
3204 if (r < 0)
3205 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3206 return 0;
3207 }
3208 #endif
3209
3210 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3211 static int logind_reboot(enum action a) {
3212 #if ENABLE_LOGIND
3213 static const struct {
3214 const char *method;
3215 const char *description;
3216 } actions[_ACTION_MAX] = {
3217 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3218 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3219 [ACTION_HALT] = { "Halt", "halt system" },
3220 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3221 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3222 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3223 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3224 };
3225
3226 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3227 sd_bus *bus;
3228 int r;
3229
3230 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3231 return -EINVAL;
3232
3233 r = acquire_bus(BUS_FULL, &bus);
3234 if (r < 0)
3235 return r;
3236
3237 polkit_agent_open_maybe();
3238 (void) logind_set_wall_message();
3239
3240 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3241
3242 if (arg_dry_run)
3243 return 0;
3244
3245 r = sd_bus_call_method(
3246 bus,
3247 "org.freedesktop.login1",
3248 "/org/freedesktop/login1",
3249 "org.freedesktop.login1.Manager",
3250 actions[a].method,
3251 &error,
3252 NULL,
3253 "b", arg_ask_password);
3254 if (r < 0)
3255 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3256
3257 return 0;
3258 #else
3259 return -ENOSYS;
3260 #endif
3261 }
3262
3263 static int logind_check_inhibitors(enum action a) {
3264 #if ENABLE_LOGIND
3265 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3266 _cleanup_strv_free_ char **sessions = NULL;
3267 const char *what, *who, *why, *mode;
3268 uint32_t uid, pid;
3269 sd_bus *bus;
3270 unsigned c = 0;
3271 char **s;
3272 int r;
3273
3274 if (arg_ignore_inhibitors || arg_force > 0)
3275 return 0;
3276
3277 if (arg_when > 0)
3278 return 0;
3279
3280 if (geteuid() == 0)
3281 return 0;
3282
3283 if (!on_tty())
3284 return 0;
3285
3286 if (arg_transport != BUS_TRANSPORT_LOCAL)
3287 return 0;
3288
3289 r = acquire_bus(BUS_FULL, &bus);
3290 if (r < 0)
3291 return r;
3292
3293 r = sd_bus_call_method(
3294 bus,
3295 "org.freedesktop.login1",
3296 "/org/freedesktop/login1",
3297 "org.freedesktop.login1.Manager",
3298 "ListInhibitors",
3299 NULL,
3300 &reply,
3301 NULL);
3302 if (r < 0)
3303 /* If logind is not around, then there are no inhibitors... */
3304 return 0;
3305
3306 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3307 if (r < 0)
3308 return bus_log_parse_error(r);
3309
3310 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3311 _cleanup_free_ char *comm = NULL, *user = NULL;
3312 _cleanup_strv_free_ char **sv = NULL;
3313
3314 if (!streq(mode, "block"))
3315 continue;
3316
3317 sv = strv_split(what, ":");
3318 if (!sv)
3319 return log_oom();
3320
3321 if (!pid_is_valid((pid_t) pid))
3322 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3323
3324 if (!strv_contains(sv,
3325 IN_SET(a,
3326 ACTION_HALT,
3327 ACTION_POWEROFF,
3328 ACTION_REBOOT,
3329 ACTION_KEXEC) ? "shutdown" : "sleep"))
3330 continue;
3331
3332 get_process_comm(pid, &comm);
3333 user = uid_to_name(uid);
3334
3335 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3336 who, (pid_t) pid, strna(comm), strna(user), why);
3337
3338 c++;
3339 }
3340 if (r < 0)
3341 return bus_log_parse_error(r);
3342
3343 r = sd_bus_message_exit_container(reply);
3344 if (r < 0)
3345 return bus_log_parse_error(r);
3346
3347 /* Check for current sessions */
3348 sd_get_sessions(&sessions);
3349 STRV_FOREACH(s, sessions) {
3350 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3351
3352 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3353 continue;
3354
3355 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3356 continue;
3357
3358 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3359 continue;
3360
3361 sd_session_get_tty(*s, &tty);
3362 sd_session_get_seat(*s, &seat);
3363 sd_session_get_service(*s, &service);
3364 user = uid_to_name(uid);
3365
3366 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3367 c++;
3368 }
3369
3370 if (c <= 0)
3371 return 0;
3372
3373 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3374 action_table[a].verb);
3375
3376 return -EPERM;
3377 #else
3378 return 0;
3379 #endif
3380 }
3381
3382 static int prepare_firmware_setup(void) {
3383
3384 if (!arg_firmware_setup)
3385 return 0;
3386
3387 #if ENABLE_LOGIND
3388 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3389 sd_bus *bus;
3390 int r;
3391
3392 r = acquire_bus(BUS_FULL, &bus);
3393 if (r < 0)
3394 return r;
3395
3396 r = sd_bus_call_method(
3397 bus,
3398 "org.freedesktop.login1",
3399 "/org/freedesktop/login1",
3400 "org.freedesktop.login1.Manager",
3401 "SetRebootToFirmwareSetup",
3402 &error,
3403 NULL,
3404 "b", true);
3405 if (r < 0)
3406 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3407
3408 return 0;
3409 #else
3410 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3411 "Booting into firmware setup not supported.");
3412 #endif
3413 }
3414
3415 static int prepare_boot_loader_menu(void) {
3416
3417 if (arg_boot_loader_menu == USEC_INFINITY)
3418 return 0;
3419
3420 #if ENABLE_LOGIND
3421 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3422 sd_bus *bus;
3423 int r;
3424
3425 r = acquire_bus(BUS_FULL, &bus);
3426 if (r < 0)
3427 return r;
3428
3429 r = sd_bus_call_method(
3430 bus,
3431 "org.freedesktop.login1",
3432 "/org/freedesktop/login1",
3433 "org.freedesktop.login1.Manager",
3434 "SetRebootToBootLoaderMenu",
3435 &error,
3436 NULL,
3437 "t", arg_boot_loader_menu);
3438 if (r < 0)
3439 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3440
3441 return 0;
3442 #else
3443 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3444 "Booting into boot loader menu not supported.");
3445 #endif
3446 }
3447
3448 static int prepare_boot_loader_entry(void) {
3449
3450 if (!arg_boot_loader_entry)
3451 return 0;
3452
3453 #if ENABLE_LOGIND
3454 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3455 sd_bus *bus;
3456 int r;
3457
3458 r = acquire_bus(BUS_FULL, &bus);
3459 if (r < 0)
3460 return r;
3461
3462 r = sd_bus_call_method(
3463 bus,
3464 "org.freedesktop.login1",
3465 "/org/freedesktop/login1",
3466 "org.freedesktop.login1.Manager",
3467 "SetRebootToBootLoaderEntry",
3468 &error,
3469 NULL,
3470 "s", arg_boot_loader_entry);
3471 if (r < 0)
3472 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3473
3474 return 0;
3475 #else
3476 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3477 "Booting into boot loader entry not supported.");
3478 #endif
3479 }
3480
3481 static int load_kexec_kernel(void) {
3482 _cleanup_(boot_config_free) BootConfig config = {};
3483 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3484 const BootEntry *e;
3485 pid_t pid;
3486 int r;
3487
3488 if (kexec_loaded()) {
3489 log_debug("Kexec kernel already loaded.");
3490 return 0;
3491 }
3492
3493 if (access(KEXEC, X_OK) < 0)
3494 return log_error_errno(errno, KEXEC" is not available: %m");
3495
3496 r = boot_entries_load_config_auto(NULL, NULL, &config);
3497 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3498 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3499 if (r < 0)
3500 return r;
3501
3502 e = boot_config_default_entry(&config);
3503 if (!e)
3504 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3505 "No boot loader entry suitable as default, refusing to guess.");
3506
3507 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3508
3509 if (!e->kernel)
3510 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3511 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3512 if (strv_length(e->initrd) > 1)
3513 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3514 "Boot entry specifies multiple initrds, which is not supported currently.");
3515
3516 kernel = path_join(e->root, e->kernel);
3517 if (!kernel)
3518 return log_oom();
3519
3520 if (!strv_isempty(e->initrd)) {
3521 initrd = path_join(e->root, e->initrd[0]);
3522 if (!initrd)
3523 return log_oom();
3524 }
3525
3526 options = strv_join(e->options, " ");
3527 if (!options)
3528 return log_oom();
3529
3530 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3531 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3532 arg_dry_run ? "Would run" : "Running",
3533 kernel,
3534 options,
3535 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3536 if (arg_dry_run)
3537 return 0;
3538
3539 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3540 if (r < 0)
3541 return r;
3542 if (r == 0) {
3543 const char* const args[] = {
3544 KEXEC,
3545 "--load", kernel,
3546 "--append", options,
3547 initrd ? "--initrd" : NULL, initrd,
3548 NULL
3549 };
3550
3551 /* Child */
3552 execv(args[0], (char * const *) args);
3553 _exit(EXIT_FAILURE);
3554 }
3555
3556 return 0;
3557 }
3558
3559 static int set_exit_code(uint8_t code) {
3560 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3561 sd_bus *bus;
3562 int r;
3563
3564 r = acquire_bus(BUS_MANAGER, &bus);
3565 if (r < 0)
3566 return r;
3567
3568 r = sd_bus_call_method(
3569 bus,
3570 "org.freedesktop.systemd1",
3571 "/org/freedesktop/systemd1",
3572 "org.freedesktop.systemd1.Manager",
3573 "SetExitCode",
3574 &error,
3575 NULL,
3576 "y", code);
3577 if (r < 0)
3578 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3579
3580 return 0;
3581 }
3582
3583 static int start_special(int argc, char *argv[], void *userdata) {
3584 enum action a;
3585 int r;
3586 bool termination_action; /* an action that terminates the manager,
3587 * can be performed also by signal. */
3588
3589 assert(argv);
3590
3591 a = verb_to_action(argv[0]);
3592
3593 r = logind_check_inhibitors(a);
3594 if (r < 0)
3595 return r;
3596
3597 if (arg_force >= 2) {
3598 r = must_be_root();
3599 if (r < 0)
3600 return r;
3601 }
3602
3603 r = prepare_firmware_setup();
3604 if (r < 0)
3605 return r;
3606
3607 r = prepare_boot_loader_menu();
3608 if (r < 0)
3609 return r;
3610
3611 r = prepare_boot_loader_entry();
3612 if (r < 0)
3613 return r;
3614
3615 if (a == ACTION_REBOOT && argc > 1) {
3616 r = update_reboot_parameter_and_warn(argv[1], false);
3617 if (r < 0)
3618 return r;
3619
3620 } else if (a == ACTION_KEXEC) {
3621 r = load_kexec_kernel();
3622 if (r < 0 && arg_force >= 1)
3623 log_notice("Failed to load kexec kernel, continuing without.");
3624 else if (r < 0)
3625 return r;
3626
3627 } else if (a == ACTION_EXIT && argc > 1) {
3628 uint8_t code;
3629
3630 /* If the exit code is not given on the command line,
3631 * don't reset it to zero: just keep it as it might
3632 * have been set previously. */
3633
3634 r = safe_atou8(argv[1], &code);
3635 if (r < 0)
3636 return log_error_errno(r, "Invalid exit code.");
3637
3638 r = set_exit_code(code);
3639 if (r < 0)
3640 return r;
3641 }
3642
3643 termination_action = IN_SET(a,
3644 ACTION_HALT,
3645 ACTION_POWEROFF,
3646 ACTION_REBOOT);
3647 if (termination_action && arg_force >= 2)
3648 return halt_now(a);
3649
3650 if (arg_force >= 1 &&
3651 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3652 r = trivial_method(argc, argv, userdata);
3653 else {
3654 /* First try logind, to allow authentication with polkit */
3655 if (IN_SET(a,
3656 ACTION_POWEROFF,
3657 ACTION_REBOOT,
3658 ACTION_HALT,
3659 ACTION_SUSPEND,
3660 ACTION_HIBERNATE,
3661 ACTION_HYBRID_SLEEP,
3662 ACTION_SUSPEND_THEN_HIBERNATE)) {
3663
3664 r = logind_reboot(a);
3665 if (r >= 0)
3666 return r;
3667 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3668 /* requested operation is not supported or already in progress */
3669 return r;
3670
3671 /* On all other errors, try low-level operation. In order to minimize the difference between
3672 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3673 * logind's shutdown operations are always non-blocking. */
3674
3675 arg_no_block = true;
3676
3677 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3678 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3679 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3680 arg_no_block = true;
3681
3682 r = start_unit(argc, argv, userdata);
3683 }
3684
3685 if (termination_action && arg_force < 2 &&
3686 IN_SET(r, -ENOENT, -ETIMEDOUT))
3687 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3688
3689 return r;
3690 }
3691
3692 static int start_system_special(int argc, char *argv[], void *userdata) {
3693 /* Like start_special above, but raises an error when running in user mode */
3694
3695 if (arg_scope != UNIT_FILE_SYSTEM)
3696 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3697 "Bad action for %s mode.",
3698 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3699
3700 return start_special(argc, argv, userdata);
3701 }
3702
3703 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3704 _cleanup_strv_free_ char **names = NULL;
3705 UnitActiveState active_state;
3706 sd_bus *bus;
3707 char **name;
3708 int r, i;
3709 bool found = false;
3710
3711 r = acquire_bus(BUS_MANAGER, &bus);
3712 if (r < 0)
3713 return r;
3714
3715 r = expand_names(bus, args, NULL, &names);
3716 if (r < 0)
3717 return log_error_errno(r, "Failed to expand names: %m");
3718
3719 STRV_FOREACH(name, names) {
3720 r = get_state_one_unit(bus, *name, &active_state);
3721 if (r < 0)
3722 return r;
3723
3724 if (!arg_quiet)
3725 puts(unit_active_state_to_string(active_state));
3726
3727 for (i = 0; i < nb_states; ++i)
3728 if (good_states[i] == active_state)
3729 found = true;
3730 }
3731
3732 /* use the given return code for the case that we won't find
3733 * any unit which matches the list */
3734 return found ? 0 : code;
3735 }
3736
3737 static int check_unit_active(int argc, char *argv[], void *userdata) {
3738 static const UnitActiveState states[] = {
3739 UNIT_ACTIVE,
3740 UNIT_RELOADING,
3741 };
3742
3743 /* According to LSB: 3, "program is not running" */
3744 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3745 }
3746
3747 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3748 static const UnitActiveState states[] = {
3749 UNIT_FAILED,
3750 };
3751
3752 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3753 }
3754
3755 static int kill_unit(int argc, char *argv[], void *userdata) {
3756 _cleanup_strv_free_ char **names = NULL;
3757 char *kill_who = NULL, **name;
3758 sd_bus *bus;
3759 int r, q;
3760
3761 r = acquire_bus(BUS_MANAGER, &bus);
3762 if (r < 0)
3763 return r;
3764
3765 polkit_agent_open_maybe();
3766
3767 if (!arg_kill_who)
3768 arg_kill_who = "all";
3769
3770 /* --fail was specified */
3771 if (streq(arg_job_mode, "fail"))
3772 kill_who = strjoina(arg_kill_who, "-fail");
3773
3774 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3775 if (r < 0)
3776 return log_error_errno(r, "Failed to expand names: %m");
3777
3778 STRV_FOREACH(name, names) {
3779 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3780
3781 q = sd_bus_call_method(
3782 bus,
3783 "org.freedesktop.systemd1",
3784 "/org/freedesktop/systemd1",
3785 "org.freedesktop.systemd1.Manager",
3786 "KillUnit",
3787 &error,
3788 NULL,
3789 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3790 if (q < 0) {
3791 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3792 if (r == 0)
3793 r = q;
3794 }
3795 }
3796
3797 return r;
3798 }
3799
3800 static int clean_unit(int argc, char *argv[], void *userdata) {
3801 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3802 _cleanup_strv_free_ char **names = NULL;
3803 int r, ret = EXIT_SUCCESS;
3804 char **name;
3805 sd_bus *bus;
3806
3807 r = acquire_bus(BUS_FULL, &bus);
3808 if (r < 0)
3809 return r;
3810
3811 polkit_agent_open_maybe();
3812
3813 if (!arg_clean_what) {
3814 arg_clean_what = strv_new("cache", "runtime");
3815 if (!arg_clean_what)
3816 return log_oom();
3817 }
3818
3819 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3820 if (r < 0)
3821 return log_error_errno(r, "Failed to expand names: %m");
3822
3823 if (!arg_no_block) {
3824 r = bus_wait_for_units_new(bus, &w);
3825 if (r < 0)
3826 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3827 }
3828
3829 STRV_FOREACH(name, names) {
3830 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3831 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3832
3833 if (w) {
3834 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3835 r = sd_bus_call_method(
3836 bus,
3837 "org.freedesktop.systemd1",
3838 "/org/freedesktop/systemd1",
3839 "org.freedesktop.systemd1.Manager",
3840 "RefUnit",
3841 &error,
3842 NULL,
3843 "s", *name);
3844 if (r < 0) {
3845 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3846 if (ret == EXIT_SUCCESS)
3847 ret = r;
3848 continue;
3849 }
3850 }
3851
3852 r = sd_bus_message_new_method_call(
3853 bus,
3854 &m,
3855 "org.freedesktop.systemd1",
3856 "/org/freedesktop/systemd1",
3857 "org.freedesktop.systemd1.Manager",
3858 "CleanUnit");
3859 if (r < 0)
3860 return bus_log_create_error(r);
3861
3862 r = sd_bus_message_append(m, "s", *name);
3863 if (r < 0)
3864 return bus_log_create_error(r);
3865
3866 r = sd_bus_message_append_strv(m, arg_clean_what);
3867 if (r < 0)
3868 return bus_log_create_error(r);
3869
3870 r = sd_bus_call(bus, m, 0, &error, NULL);
3871 if (r < 0) {
3872 log_error_errno(r, "Failed to clean unit %s: %s", *name, bus_error_message(&error, r));
3873 if (ret == EXIT_SUCCESS) {
3874 ret = r;
3875 continue;
3876 }
3877 }
3878
3879 if (w) {
3880 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3881 if (r < 0)
3882 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3883 }
3884 }
3885
3886 r = bus_wait_for_units_run(w);
3887 if (r < 0)
3888 return log_error_errno(r, "Failed to wait for units: %m");
3889 if (r == BUS_WAIT_FAILURE)
3890 ret = EXIT_FAILURE;
3891
3892 return ret;
3893 }
3894
3895 typedef struct ExecStatusInfo {
3896 char *name;
3897
3898 char *path;
3899 char **argv;
3900
3901 bool ignore;
3902
3903 usec_t start_timestamp;
3904 usec_t exit_timestamp;
3905 pid_t pid;
3906 int code;
3907 int status;
3908
3909 ExecCommandFlags flags;
3910
3911 LIST_FIELDS(struct ExecStatusInfo, exec);
3912 } ExecStatusInfo;
3913
3914 static void exec_status_info_free(ExecStatusInfo *i) {
3915 assert(i);
3916
3917 free(i->name);
3918 free(i->path);
3919 strv_free(i->argv);
3920 free(i);
3921 }
3922
3923 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3924 _cleanup_strv_free_ char **ex_opts = NULL;
3925 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3926 const char *path;
3927 uint32_t pid;
3928 int32_t code, status;
3929 int ignore, r;
3930
3931 assert(m);
3932 assert(i);
3933
3934 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3935 if (r < 0)
3936 return bus_log_parse_error(r);
3937 else if (r == 0)
3938 return 0;
3939
3940 r = sd_bus_message_read(m, "s", &path);
3941 if (r < 0)
3942 return bus_log_parse_error(r);
3943
3944 i->path = strdup(path);
3945 if (!i->path)
3946 return log_oom();
3947
3948 r = sd_bus_message_read_strv(m, &i->argv);
3949 if (r < 0)
3950 return bus_log_parse_error(r);
3951
3952 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3953 if (r < 0)
3954 return bus_log_parse_error(r);
3955
3956 r = sd_bus_message_read(m,
3957 "ttttuii",
3958 &start_timestamp, &start_timestamp_monotonic,
3959 &exit_timestamp, &exit_timestamp_monotonic,
3960 &pid,
3961 &code, &status);
3962 if (r < 0)
3963 return bus_log_parse_error(r);
3964
3965 if (is_ex_prop) {
3966 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3967 if (r < 0)
3968 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3969
3970 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3971 } else
3972 i->ignore = ignore;
3973
3974 i->start_timestamp = (usec_t) start_timestamp;
3975 i->exit_timestamp = (usec_t) exit_timestamp;
3976 i->pid = (pid_t) pid;
3977 i->code = code;
3978 i->status = status;
3979
3980 r = sd_bus_message_exit_container(m);
3981 if (r < 0)
3982 return bus_log_parse_error(r);
3983
3984 return 1;
3985 }
3986
3987 typedef struct UnitCondition {
3988 char *name;
3989 char *param;
3990 bool trigger;
3991 bool negate;
3992 int tristate;
3993
3994 LIST_FIELDS(struct UnitCondition, conditions);
3995 } UnitCondition;
3996
3997 static void unit_condition_free(UnitCondition *c) {
3998 if (!c)
3999 return;
4000
4001 free(c->name);
4002 free(c->param);
4003 free(c);
4004 }
4005
4006 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4007
4008 typedef struct UnitStatusInfo {
4009 const char *id;
4010 const char *load_state;
4011 const char *active_state;
4012 const char *sub_state;
4013 const char *unit_file_state;
4014 const char *unit_file_preset;
4015
4016 const char *description;
4017 const char *following;
4018
4019 char **documentation;
4020
4021 const char *fragment_path;
4022 const char *source_path;
4023 const char *control_group;
4024
4025 char **dropin_paths;
4026
4027 const char *load_error;
4028 const char *result;
4029
4030 usec_t inactive_exit_timestamp;
4031 usec_t inactive_exit_timestamp_monotonic;
4032 usec_t active_enter_timestamp;
4033 usec_t active_exit_timestamp;
4034 usec_t inactive_enter_timestamp;
4035
4036 bool need_daemon_reload;
4037 bool transient;
4038
4039 /* Service */
4040 pid_t main_pid;
4041 pid_t control_pid;
4042 const char *status_text;
4043 const char *pid_file;
4044 bool running:1;
4045 int status_errno;
4046
4047 usec_t start_timestamp;
4048 usec_t exit_timestamp;
4049
4050 int exit_code, exit_status;
4051
4052 usec_t condition_timestamp;
4053 bool condition_result;
4054 LIST_HEAD(UnitCondition, conditions);
4055
4056 usec_t assert_timestamp;
4057 bool assert_result;
4058 bool failed_assert_trigger;
4059 bool failed_assert_negate;
4060 const char *failed_assert;
4061 const char *failed_assert_parameter;
4062 usec_t next_elapse_real;
4063 usec_t next_elapse_monotonic;
4064
4065 /* Socket */
4066 unsigned n_accepted;
4067 unsigned n_connections;
4068 unsigned n_refused;
4069 bool accept;
4070
4071 /* Pairs of type, path */
4072 char **listen;
4073
4074 /* Device */
4075 const char *sysfs_path;
4076
4077 /* Mount, Automount */
4078 const char *where;
4079
4080 /* Swap */
4081 const char *what;
4082
4083 /* CGroup */
4084 uint64_t memory_current;
4085 uint64_t memory_min;
4086 uint64_t memory_low;
4087 uint64_t memory_high;
4088 uint64_t memory_max;
4089 uint64_t memory_swap_max;
4090 uint64_t memory_limit;
4091 uint64_t cpu_usage_nsec;
4092 uint64_t tasks_current;
4093 uint64_t tasks_max;
4094 uint64_t ip_ingress_bytes;
4095 uint64_t ip_egress_bytes;
4096 uint64_t io_read_bytes;
4097 uint64_t io_write_bytes;
4098
4099 uint64_t default_memory_min;
4100 uint64_t default_memory_low;
4101
4102 LIST_HEAD(ExecStatusInfo, exec);
4103 } UnitStatusInfo;
4104
4105 static void unit_status_info_free(UnitStatusInfo *info) {
4106 ExecStatusInfo *p;
4107 UnitCondition *c;
4108
4109 strv_free(info->documentation);
4110 strv_free(info->dropin_paths);
4111 strv_free(info->listen);
4112
4113 while ((c = info->conditions)) {
4114 LIST_REMOVE(conditions, info->conditions, c);
4115 unit_condition_free(c);
4116 }
4117
4118 while ((p = info->exec)) {
4119 LIST_REMOVE(exec, info->exec, p);
4120 exec_status_info_free(p);
4121 }
4122 }
4123
4124 static void print_status_info(
4125 sd_bus *bus,
4126 UnitStatusInfo *i,
4127 bool *ellipsized) {
4128
4129 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4130 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4131 _cleanup_free_ char *formatted_path = NULL;
4132 ExecStatusInfo *p;
4133 usec_t timestamp;
4134 const char *path;
4135 char **t, **t2;
4136 int r;
4137
4138 assert(i);
4139
4140 /* This shows pretty information about a unit. See
4141 * print_property() for a low-level property printer */
4142
4143 if (streq_ptr(i->active_state, "failed")) {
4144 active_on = ansi_highlight_red();
4145 active_off = ansi_normal();
4146 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4147 active_on = ansi_highlight_green();
4148 active_off = ansi_normal();
4149 } else
4150 active_on = active_off = "";
4151
4152 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4153
4154 if (i->description && !streq_ptr(i->id, i->description))
4155 printf(" - %s", i->description);
4156
4157 printf("\n");
4158
4159 if (i->following)
4160 printf(" Follow: unit currently follows state of %s\n", i->following);
4161
4162 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4163 on = ansi_highlight_red();
4164 off = ansi_normal();
4165 } else
4166 on = off = "";
4167
4168 path = i->source_path ?: i->fragment_path;
4169 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4170 path = formatted_path;
4171
4172 if (!isempty(i->load_error))
4173 printf(" Loaded: %s%s%s (Reason: %s)\n",
4174 on, strna(i->load_state), off, i->load_error);
4175 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4176 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4177 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4178 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4179 else if (path && !isempty(i->unit_file_state))
4180 printf(" Loaded: %s%s%s (%s; %s)\n",
4181 on, strna(i->load_state), off, path, i->unit_file_state);
4182 else if (path)
4183 printf(" Loaded: %s%s%s (%s)\n",
4184 on, strna(i->load_state), off, path);
4185 else
4186 printf(" Loaded: %s%s%s\n",
4187 on, strna(i->load_state), off);
4188
4189 if (i->transient)
4190 printf("Transient: yes\n");
4191
4192 if (!strv_isempty(i->dropin_paths)) {
4193 _cleanup_free_ char *dir = NULL;
4194 bool last = false;
4195 char ** dropin;
4196
4197 STRV_FOREACH(dropin, i->dropin_paths) {
4198 _cleanup_free_ char *dropin_formatted = NULL;
4199 const char *df;
4200
4201 if (!dir || last) {
4202 printf(dir ? " " :
4203 " Drop-In: ");
4204
4205 dir = mfree(dir);
4206
4207 dir = dirname_malloc(*dropin);
4208 if (!dir) {
4209 log_oom();
4210 return;
4211 }
4212
4213 printf("%s\n"
4214 " %s", dir,
4215 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4216 }
4217
4218 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4219
4220 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4221 df = dropin_formatted;
4222 else
4223 df = *dropin;
4224
4225 printf("%s%s", df, last ? "\n" : ", ");
4226 }
4227 }
4228
4229 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4230 if (ss)
4231 printf(" Active: %s%s (%s)%s",
4232 active_on, strna(i->active_state), ss, active_off);
4233 else
4234 printf(" Active: %s%s%s",
4235 active_on, strna(i->active_state), active_off);
4236
4237 if (!isempty(i->result) && !streq(i->result, "success"))
4238 printf(" (Result: %s)", i->result);
4239
4240 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4241 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4242 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4243 i->active_exit_timestamp;
4244
4245 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4246 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4247
4248 if (s1)
4249 printf(" since %s; %s\n", s2, s1);
4250 else if (s2)
4251 printf(" since %s\n", s2);
4252 else
4253 printf("\n");
4254
4255 if (endswith(i->id, ".timer")) {
4256 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4257 tstamp2[FORMAT_TIMESTAMP_MAX];
4258 const char *next_rel_time, *next_time;
4259 dual_timestamp nw, next = {i->next_elapse_real,
4260 i->next_elapse_monotonic};
4261 usec_t next_elapse;
4262
4263 printf(" Trigger: ");
4264
4265 dual_timestamp_get(&nw);
4266 next_elapse = calc_next_elapse(&nw, &next);
4267 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4268 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4269
4270 if (next_time && next_rel_time)
4271 printf("%s; %s\n", next_time, next_rel_time);
4272 else
4273 printf("n/a\n");
4274 }
4275
4276 if (!i->condition_result && i->condition_timestamp > 0) {
4277 UnitCondition *c;
4278 int n = 0;
4279
4280 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4281 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4282
4283 printf("Condition: start %scondition failed%s at %s%s%s\n",
4284 ansi_highlight_yellow(), ansi_normal(),
4285 s2, s1 ? "; " : "", strempty(s1));
4286
4287 LIST_FOREACH(conditions, c, i->conditions)
4288 if (c->tristate < 0)
4289 n++;
4290
4291 LIST_FOREACH(conditions, c, i->conditions)
4292 if (c->tristate < 0)
4293 printf(" %s %s=%s%s%s was not met\n",
4294 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4295 c->name,
4296 c->trigger ? "|" : "",
4297 c->negate ? "!" : "",
4298 c->param);
4299 }
4300
4301 if (!i->assert_result && i->assert_timestamp > 0) {
4302 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4303 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4304
4305 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4306 ansi_highlight_red(), ansi_normal(),
4307 s2, s1 ? "; " : "", strempty(s1));
4308 if (i->failed_assert_trigger)
4309 printf(" none of the trigger assertions were met\n");
4310 else if (i->failed_assert)
4311 printf(" %s=%s%s was not met\n",
4312 i->failed_assert,
4313 i->failed_assert_negate ? "!" : "",
4314 i->failed_assert_parameter);
4315 }
4316
4317 if (i->sysfs_path)
4318 printf(" Device: %s\n", i->sysfs_path);
4319 if (i->where)
4320 printf(" Where: %s\n", i->where);
4321 if (i->what)
4322 printf(" What: %s\n", i->what);
4323
4324 STRV_FOREACH(t, i->documentation) {
4325 _cleanup_free_ char *formatted = NULL;
4326 const char *q;
4327
4328 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4329 q = formatted;
4330 else
4331 q = *t;
4332
4333 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4334 }
4335
4336 STRV_FOREACH_PAIR(t, t2, i->listen)
4337 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4338
4339 if (i->accept) {
4340 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4341 if (i->n_refused)
4342 printf(" Refused: %u", i->n_refused);
4343 printf("\n");
4344 }
4345
4346 LIST_FOREACH(exec, p, i->exec) {
4347 _cleanup_free_ char *argv = NULL;
4348 bool good;
4349
4350 /* Only show exited processes here */
4351 if (p->code == 0)
4352 continue;
4353
4354 argv = strv_join(p->argv, " ");
4355 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4356
4357 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4358 if (!good) {
4359 on = ansi_highlight_red();
4360 off = ansi_normal();
4361 } else
4362 on = off = "";
4363
4364 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4365
4366 if (p->code == CLD_EXITED) {
4367 const char *c;
4368
4369 printf("status=%i", p->status);
4370
4371 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4372 if (c)
4373 printf("/%s", c);
4374
4375 } else
4376 printf("signal=%s", signal_to_string(p->status));
4377
4378 printf(")%s\n", off);
4379
4380 if (i->main_pid == p->pid &&
4381 i->start_timestamp == p->start_timestamp &&
4382 i->exit_timestamp == p->start_timestamp)
4383 /* Let's not show this twice */
4384 i->main_pid = 0;
4385
4386 if (p->pid == i->control_pid)
4387 i->control_pid = 0;
4388 }
4389
4390 if (i->main_pid > 0 || i->control_pid > 0) {
4391 if (i->main_pid > 0) {
4392 printf(" Main PID: "PID_FMT, i->main_pid);
4393
4394 if (i->running) {
4395
4396 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4397 _cleanup_free_ char *comm = NULL;
4398
4399 (void) get_process_comm(i->main_pid, &comm);
4400 if (comm)
4401 printf(" (%s)", comm);
4402 }
4403
4404 } else if (i->exit_code > 0) {
4405 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4406
4407 if (i->exit_code == CLD_EXITED) {
4408 const char *c;
4409
4410 printf("status=%i", i->exit_status);
4411
4412 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4413 if (c)
4414 printf("/%s", c);
4415
4416 } else
4417 printf("signal=%s", signal_to_string(i->exit_status));
4418 printf(")");
4419 }
4420 }
4421
4422 if (i->control_pid > 0) {
4423 _cleanup_free_ char *c = NULL;
4424
4425 if (i->main_pid > 0)
4426 fputs("; Control PID: ", stdout);
4427 else
4428 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4429
4430 printf(PID_FMT, i->control_pid);
4431
4432 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4433 (void) get_process_comm(i->control_pid, &c);
4434 if (c)
4435 printf(" (%s)", c);
4436 }
4437 }
4438
4439 printf("\n");
4440 }
4441
4442 if (i->status_text)
4443 printf(" Status: \"%s\"\n", i->status_text);
4444 if (i->status_errno > 0)
4445 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4446
4447 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4448 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4449
4450 printf(" IP: %s in, %s out\n",
4451 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4452 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4453 }
4454
4455 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4456 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4457
4458 printf(" IO: %s read, %s written\n",
4459 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4460 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4461 }
4462
4463 if (i->tasks_current != (uint64_t) -1) {
4464 printf(" Tasks: %" PRIu64, i->tasks_current);
4465
4466 if (i->tasks_max != (uint64_t) -1)
4467 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4468 else
4469 printf("\n");
4470 }
4471
4472 if (i->memory_current != (uint64_t) -1) {
4473 char buf[FORMAT_BYTES_MAX];
4474
4475 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4476
4477 if (i->memory_min > 0 || i->memory_low > 0 ||
4478 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4479 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4480 i->memory_limit != CGROUP_LIMIT_MAX) {
4481 const char *prefix = "";
4482
4483 printf(" (");
4484 if (i->memory_min > 0) {
4485 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4486 prefix = " ";
4487 }
4488 if (i->memory_low > 0) {
4489 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4490 prefix = " ";
4491 }
4492 if (i->memory_high != CGROUP_LIMIT_MAX) {
4493 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4494 prefix = " ";
4495 }
4496 if (i->memory_max != CGROUP_LIMIT_MAX) {
4497 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4498 prefix = " ";
4499 }
4500 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4501 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4502 prefix = " ";
4503 }
4504 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4505 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4506 prefix = " ";
4507 }
4508 printf(")");
4509 }
4510 printf("\n");
4511 }
4512
4513 if (i->cpu_usage_nsec != (uint64_t) -1) {
4514 char buf[FORMAT_TIMESPAN_MAX];
4515 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4516 }
4517
4518 if (i->control_group) {
4519 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4520 static const char prefix[] = " ";
4521 unsigned c;
4522
4523 printf(" CGroup: %s\n", i->control_group);
4524
4525 c = columns();
4526 if (c > sizeof(prefix) - 1)
4527 c -= sizeof(prefix) - 1;
4528 else
4529 c = 0;
4530
4531 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4532 if (r == -EBADR) {
4533 unsigned k = 0;
4534 pid_t extra[2];
4535
4536 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4537
4538 if (i->main_pid > 0)
4539 extra[k++] = i->main_pid;
4540
4541 if (i->control_pid > 0)
4542 extra[k++] = i->control_pid;
4543
4544 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4545 } else if (r < 0)
4546 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4547 i->id, bus_error_message(&error, r));
4548 }
4549
4550 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4551 show_journal_by_unit(
4552 stdout,
4553 i->id,
4554 arg_output,
4555 0,
4556 i->inactive_exit_timestamp_monotonic,
4557 arg_lines,
4558 getuid(),
4559 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4560 SD_JOURNAL_LOCAL_ONLY,
4561 arg_scope == UNIT_FILE_SYSTEM,
4562 ellipsized);
4563
4564 if (i->need_daemon_reload)
4565 warn_unit_file_changed(i->id);
4566 }
4567
4568 static void show_unit_help(UnitStatusInfo *i) {
4569 char **p;
4570
4571 assert(i);
4572
4573 if (!i->documentation) {
4574 log_info("Documentation for %s not known.", i->id);
4575 return;
4576 }
4577
4578 STRV_FOREACH(p, i->documentation)
4579 if (startswith(*p, "man:"))
4580 show_man_page(*p + 4, false);
4581 else
4582 log_info("Can't show: %s", *p);
4583 }
4584
4585 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4586 UnitStatusInfo *i = userdata;
4587 uint32_t u;
4588 int r;
4589
4590 r = sd_bus_message_read(m, "u", &u);
4591 if (r < 0)
4592 return r;
4593
4594 i->main_pid = (pid_t) u;
4595 i->running = u > 0;
4596
4597 return 0;
4598 }
4599
4600 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4601 const char *message, **p = userdata;
4602 int r;
4603
4604 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4605 if (r < 0)
4606 return r;
4607
4608 if (!isempty(message))
4609 *p = message;
4610
4611 return 0;
4612 }
4613
4614 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4615 const char *type, *path;
4616 char ***p = userdata;
4617 int r;
4618
4619 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4620 if (r < 0)
4621 return r;
4622
4623 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4624
4625 r = strv_extend(p, type);
4626 if (r < 0)
4627 return r;
4628
4629 r = strv_extend(p, path);
4630 if (r < 0)
4631 return r;
4632 }
4633 if (r < 0)
4634 return r;
4635
4636 r = sd_bus_message_exit_container(m);
4637 if (r < 0)
4638 return r;
4639
4640 return 0;
4641 }
4642
4643 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4644 UnitStatusInfo *i = userdata;
4645 const char *cond, *param;
4646 int trigger, negate;
4647 int32_t state;
4648 int r;
4649
4650 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4651 if (r < 0)
4652 return r;
4653
4654 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4655 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4656
4657 c = new(UnitCondition, 1);
4658 if (!c)
4659 return -ENOMEM;
4660
4661 *c = (UnitCondition) {
4662 .name = strdup(cond),
4663 .param = strdup(param),
4664 .trigger = trigger,
4665 .negate = negate,
4666 .tristate = state,
4667 };
4668
4669 if (!c->name || !c->param)
4670 return -ENOMEM;
4671
4672 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4673 }
4674 if (r < 0)
4675 return r;
4676
4677 r = sd_bus_message_exit_container(m);
4678 if (r < 0)
4679 return r;
4680
4681 return 0;
4682 }
4683
4684 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4685 UnitStatusInfo *i = userdata;
4686 const char *cond, *param;
4687 int trigger, negate;
4688 int32_t state;
4689 int r;
4690
4691 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4692 if (r < 0)
4693 return r;
4694
4695 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4696 if (state < 0 && (!trigger || !i->failed_assert)) {
4697 i->failed_assert = cond;
4698 i->failed_assert_trigger = trigger;
4699 i->failed_assert_negate = negate;
4700 i->failed_assert_parameter = param;
4701 }
4702 }
4703 if (r < 0)
4704 return r;
4705
4706 r = sd_bus_message_exit_container(m);
4707 if (r < 0)
4708 return r;
4709
4710 return 0;
4711 }
4712
4713 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4714 _cleanup_free_ ExecStatusInfo *info = NULL;
4715 ExecStatusInfo *last;
4716 UnitStatusInfo *i = userdata;
4717 bool is_ex_prop = endswith(member, "Ex");
4718 int r;
4719
4720 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4721 if (r < 0)
4722 return r;
4723
4724 info = new0(ExecStatusInfo, 1);
4725 if (!info)
4726 return -ENOMEM;
4727
4728 LIST_FIND_TAIL(exec, i->exec, last);
4729
4730 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4731
4732 info->name = strdup(member);
4733 if (!info->name)
4734 return -ENOMEM;
4735
4736 LIST_INSERT_AFTER(exec, i->exec, last, info);
4737 last = info;
4738
4739 info = new0(ExecStatusInfo, 1);
4740 if (!info)
4741 return -ENOMEM;
4742 }
4743 if (r < 0)
4744 return r;
4745
4746 r = sd_bus_message_exit_container(m);
4747 if (r < 0)
4748 return r;
4749
4750 return 0;
4751 }
4752
4753 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4754 char bus_type;
4755 const char *contents;
4756 int r;
4757
4758 assert(name);
4759 assert(m);
4760
4761 /* This is a low-level property printer, see
4762 * print_status_info() for the nicer output */
4763
4764 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4765 if (r < 0)
4766 return r;
4767
4768 switch (bus_type) {
4769
4770 case SD_BUS_TYPE_INT32:
4771 if (endswith(name, "ActionExitStatus")) {
4772 int32_t i;
4773
4774 r = sd_bus_message_read_basic(m, bus_type, &i);
4775 if (r < 0)
4776 return r;
4777
4778 if (i >= 0 && i <= 255)
4779 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4780 else if (all)
4781 bus_print_property_value(name, expected_value, value, "[not set]");
4782
4783 return 1;
4784 } else if (streq(name, "NUMAPolicy")) {
4785 int32_t i;
4786
4787 r = sd_bus_message_read_basic(m, bus_type, &i);
4788 if (r < 0)
4789 return r;
4790
4791 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4792
4793 return 1;
4794 }
4795 break;
4796
4797 case SD_BUS_TYPE_STRUCT:
4798
4799 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4800 uint32_t u;
4801
4802 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4803 if (r < 0)
4804 return bus_log_parse_error(r);
4805
4806 if (u > 0)
4807 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4808 else if (all)
4809 bus_print_property_value(name, expected_value, value, "");
4810
4811 return 1;
4812
4813 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4814 const char *s;
4815
4816 r = sd_bus_message_read(m, "(so)", &s, NULL);
4817 if (r < 0)
4818 return bus_log_parse_error(r);
4819
4820 if (all || !isempty(s))
4821 bus_print_property_value(name, expected_value, value, s);
4822
4823 return 1;
4824
4825 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4826 const char *a = NULL, *b = NULL;
4827
4828 r = sd_bus_message_read(m, "(ss)", &a, &b);
4829 if (r < 0)
4830 return bus_log_parse_error(r);
4831
4832 if (!isempty(a) || !isempty(b))
4833 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4834 else if (all)
4835 bus_print_property_value(name, expected_value, value, "");
4836
4837 return 1;
4838
4839 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4840 _cleanup_strv_free_ char **l = NULL;
4841 int whitelist;
4842
4843 r = sd_bus_message_enter_container(m, 'r', "bas");
4844 if (r < 0)
4845 return bus_log_parse_error(r);
4846
4847 r = sd_bus_message_read(m, "b", &whitelist);
4848 if (r < 0)
4849 return bus_log_parse_error(r);
4850
4851 r = sd_bus_message_read_strv(m, &l);
4852 if (r < 0)
4853 return bus_log_parse_error(r);
4854
4855 r = sd_bus_message_exit_container(m);
4856 if (r < 0)
4857 return bus_log_parse_error(r);
4858
4859 if (all || whitelist || !strv_isempty(l)) {
4860 bool first = true;
4861 char **i;
4862
4863 if (!value) {
4864 fputs(name, stdout);
4865 fputc('=', stdout);
4866 }
4867
4868 if (!whitelist)
4869 fputc('~', stdout);
4870
4871 STRV_FOREACH(i, l) {
4872 if (first)
4873 first = false;
4874 else
4875 fputc(' ', stdout);
4876
4877 fputs(*i, stdout);
4878 }
4879 fputc('\n', stdout);
4880 }
4881
4882 return 1;
4883
4884 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4885 int ignore;
4886 const char *s;
4887
4888 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4889 if (r < 0)
4890 return bus_log_parse_error(r);
4891
4892 if (!isempty(s))
4893 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4894 else if (all)
4895 bus_print_property_value(name, expected_value, value, "");
4896
4897 return 1;
4898
4899 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4900 const int32_t *status, *signal;
4901 size_t sz_status, sz_signal, i;
4902
4903 r = sd_bus_message_enter_container(m, 'r', "aiai");
4904 if (r < 0)
4905 return bus_log_parse_error(r);
4906
4907 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &sz_status);
4908 if (r < 0)
4909 return bus_log_parse_error(r);
4910
4911 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &sz_signal);
4912 if (r < 0)
4913 return bus_log_parse_error(r);
4914
4915 r = sd_bus_message_exit_container(m);
4916 if (r < 0)
4917 return bus_log_parse_error(r);
4918
4919 sz_status /= sizeof(int32_t);
4920 sz_signal /= sizeof(int32_t);
4921
4922 if (all || sz_status > 0 || sz_signal > 0) {
4923 bool first = true;
4924
4925 if (!value) {
4926 fputs(name, stdout);
4927 fputc('=', stdout);
4928 }
4929
4930 for (i = 0; i < sz_status; i++) {
4931 if (status[i] < 0 || status[i] > 255)
4932 continue;
4933
4934 if (first)
4935 first = false;
4936 else
4937 fputc(' ', stdout);
4938
4939 printf("%"PRIi32, status[i]);
4940 }
4941
4942 for (i = 0; i < sz_signal; i++) {
4943 const char *str;
4944
4945 str = signal_to_string((int) signal[i]);
4946 if (!str)
4947 continue;
4948
4949 if (first)
4950 first = false;
4951 else
4952 fputc(' ', stdout);
4953
4954 fputs(str, stdout);
4955 }
4956
4957 fputc('\n', stdout);
4958 }
4959 return 1;
4960 }
4961
4962 break;
4963
4964 case SD_BUS_TYPE_ARRAY:
4965
4966 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4967 const char *path;
4968 int ignore;
4969
4970 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4971 if (r < 0)
4972 return bus_log_parse_error(r);
4973
4974 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4975 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4976
4977 if (r < 0)
4978 return bus_log_parse_error(r);
4979
4980 r = sd_bus_message_exit_container(m);
4981 if (r < 0)
4982 return bus_log_parse_error(r);
4983
4984 return 1;
4985
4986 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4987 const char *type, *path;
4988
4989 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4990 if (r < 0)
4991 return bus_log_parse_error(r);
4992
4993 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4994 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
4995 if (r < 0)
4996 return bus_log_parse_error(r);
4997
4998 r = sd_bus_message_exit_container(m);
4999 if (r < 0)
5000 return bus_log_parse_error(r);
5001
5002 return 1;
5003
5004 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5005 const char *type, *path;
5006
5007 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5008 if (r < 0)
5009 return bus_log_parse_error(r);
5010
5011 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5012 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5013 if (r < 0)
5014 return bus_log_parse_error(r);
5015
5016 r = sd_bus_message_exit_container(m);
5017 if (r < 0)
5018 return bus_log_parse_error(r);
5019
5020 return 1;
5021
5022 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5023 const char *base;
5024 uint64_t v, next_elapse;
5025
5026 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5027 if (r < 0)
5028 return bus_log_parse_error(r);
5029
5030 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5031 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5032
5033 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5034 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5035
5036 bus_print_property_valuef(name, expected_value, value,
5037 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5038 }
5039 if (r < 0)
5040 return bus_log_parse_error(r);
5041
5042 r = sd_bus_message_exit_container(m);
5043 if (r < 0)
5044 return bus_log_parse_error(r);
5045
5046 return 1;
5047
5048 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5049 const char *base, *spec;
5050 uint64_t next_elapse;
5051
5052 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5053 if (r < 0)
5054 return bus_log_parse_error(r);
5055
5056 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5057 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5058
5059 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5060 bus_print_property_valuef(name, expected_value, value,
5061 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5062 }
5063 if (r < 0)
5064 return bus_log_parse_error(r);
5065
5066 r = sd_bus_message_exit_container(m);
5067 if (r < 0)
5068 return bus_log_parse_error(r);
5069
5070 return 1;
5071
5072 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5073 ExecStatusInfo info = {};
5074 bool is_ex_prop = endswith(name, "Ex");
5075
5076 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5077 if (r < 0)
5078 return bus_log_parse_error(r);
5079
5080 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5081 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5082 _cleanup_strv_free_ char **optv = NULL;
5083 _cleanup_free_ char *tt, *o = NULL;
5084
5085 tt = strv_join(info.argv, " ");
5086
5087 if (is_ex_prop) {
5088 r = exec_command_flags_to_strv(info.flags, &optv);
5089 if (r < 0)
5090 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5091
5092 o = strv_join(optv, " ");
5093
5094 bus_print_property_valuef(name, expected_value, value,
5095 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5096 strna(info.path),
5097 strna(tt),
5098 strna(o),
5099 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5100 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5101 info.pid,
5102 sigchld_code_to_string(info.code),
5103 info.status,
5104 info.code == CLD_EXITED ? "" : "/",
5105 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5106 } else
5107 bus_print_property_valuef(name, expected_value, value,
5108 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5109 strna(info.path),
5110 strna(tt),
5111 yes_no(info.ignore),
5112 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5113 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5114 info.pid,
5115 sigchld_code_to_string(info.code),
5116 info.status,
5117 info.code == CLD_EXITED ? "" : "/",
5118 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5119
5120 free(info.path);
5121 strv_free(info.argv);
5122 zero(info);
5123 }
5124
5125 r = sd_bus_message_exit_container(m);
5126 if (r < 0)
5127 return bus_log_parse_error(r);
5128
5129 return 1;
5130
5131 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5132 const char *path, *rwm;
5133
5134 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5135 if (r < 0)
5136 return bus_log_parse_error(r);
5137
5138 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5139 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5140 if (r < 0)
5141 return bus_log_parse_error(r);
5142
5143 r = sd_bus_message_exit_container(m);
5144 if (r < 0)
5145 return bus_log_parse_error(r);
5146
5147 return 1;
5148
5149 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5150 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5151 const char *path;
5152 uint64_t weight;
5153
5154 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5155 if (r < 0)
5156 return bus_log_parse_error(r);
5157
5158 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5159 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5160 if (r < 0)
5161 return bus_log_parse_error(r);
5162
5163 r = sd_bus_message_exit_container(m);
5164 if (r < 0)
5165 return bus_log_parse_error(r);
5166
5167 return 1;
5168
5169 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5170 (cgroup_io_limit_type_from_string(name) >= 0 ||
5171 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5172 const char *path;
5173 uint64_t bandwidth;
5174
5175 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5176 if (r < 0)
5177 return bus_log_parse_error(r);
5178
5179 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5180 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5181 if (r < 0)
5182 return bus_log_parse_error(r);
5183
5184 r = sd_bus_message_exit_container(m);
5185 if (r < 0)
5186 return bus_log_parse_error(r);
5187
5188 return 1;
5189
5190 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5191 streq(name, "IODeviceLatencyTargetUSec")) {
5192 char ts[FORMAT_TIMESPAN_MAX];
5193 const char *path;
5194 uint64_t target;
5195
5196 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5197 if (r < 0)
5198 return bus_log_parse_error(r);
5199
5200 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5201 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5202 format_timespan(ts, sizeof(ts), target, 1));
5203 if (r < 0)
5204 return bus_log_parse_error(r);
5205
5206 r = sd_bus_message_exit_container(m);
5207 if (r < 0)
5208 return bus_log_parse_error(r);
5209
5210 return 1;
5211
5212 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5213 _cleanup_free_ char *h = NULL;
5214 const void *p;
5215 size_t sz;
5216 ssize_t n;
5217
5218 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5219 if (r < 0)
5220 return bus_log_parse_error(r);
5221
5222 n = base64mem(p, sz, &h);
5223 if (n < 0)
5224 return log_oom();
5225
5226 bus_print_property_value(name, expected_value, value, h);
5227
5228 return 1;
5229
5230 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5231 _cleanup_free_ char *addresses = NULL;
5232
5233 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5234 if (r < 0)
5235 return bus_log_parse_error(r);
5236
5237 for (;;) {
5238 _cleanup_free_ char *str = NULL;
5239 uint32_t prefixlen;
5240 int32_t family;
5241 const void *ap;
5242 size_t an;
5243
5244 r = sd_bus_message_enter_container(m, 'r', "iayu");
5245 if (r < 0)
5246 return bus_log_parse_error(r);
5247 if (r == 0)
5248 break;
5249
5250 r = sd_bus_message_read(m, "i", &family);
5251 if (r < 0)
5252 return bus_log_parse_error(r);
5253
5254 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5255 if (r < 0)
5256 return bus_log_parse_error(r);
5257
5258 r = sd_bus_message_read(m, "u", &prefixlen);
5259 if (r < 0)
5260 return bus_log_parse_error(r);
5261
5262 r = sd_bus_message_exit_container(m);
5263 if (r < 0)
5264 return bus_log_parse_error(r);
5265
5266 if (!IN_SET(family, AF_INET, AF_INET6))
5267 continue;
5268
5269 if (an != FAMILY_ADDRESS_SIZE(family))
5270 continue;
5271
5272 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5273 continue;
5274
5275 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5276 continue;
5277
5278 if (!strextend_with_separator(&addresses, " ", str, NULL))
5279 return log_oom();
5280 }
5281
5282 r = sd_bus_message_exit_container(m);
5283 if (r < 0)
5284 return bus_log_parse_error(r);
5285
5286 if (all || !isempty(addresses))
5287 bus_print_property_value(name, expected_value, value, strempty(addresses));
5288
5289 return 1;
5290
5291 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5292 _cleanup_free_ char *paths = NULL;
5293 const char *source, *dest;
5294 int ignore_enoent;
5295 uint64_t rbind;
5296
5297 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5298 if (r < 0)
5299 return bus_log_parse_error(r);
5300
5301 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5302 _cleanup_free_ char *str = NULL;
5303
5304 if (isempty(source))
5305 continue;
5306
5307 if (asprintf(&str, "%s%s%s%s%s",
5308 ignore_enoent ? "-" : "",
5309 source,
5310 isempty(dest) ? "" : ":",
5311 strempty(dest),
5312 rbind == MS_REC ? ":rbind" : "") < 0)
5313 return log_oom();
5314
5315 if (!strextend_with_separator(&paths, " ", str, NULL))
5316 return log_oom();
5317 }
5318 if (r < 0)
5319 return bus_log_parse_error(r);
5320
5321 r = sd_bus_message_exit_container(m);
5322 if (r < 0)
5323 return bus_log_parse_error(r);
5324
5325 if (all || !isempty(paths))
5326 bus_print_property_value(name, expected_value, value, strempty(paths));
5327
5328 return 1;
5329
5330 } else if (streq(name, "TemporaryFileSystem")) {
5331 _cleanup_free_ char *paths = NULL;
5332 const char *target, *option;
5333
5334 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5335 if (r < 0)
5336 return bus_log_parse_error(r);
5337
5338 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5339 _cleanup_free_ char *str = NULL;
5340
5341 if (isempty(target))
5342 continue;
5343
5344 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5345 return log_oom();
5346
5347 if (!strextend_with_separator(&paths, " ", str, NULL))
5348 return log_oom();
5349 }
5350 if (r < 0)
5351 return bus_log_parse_error(r);
5352
5353 r = sd_bus_message_exit_container(m);
5354 if (r < 0)
5355 return bus_log_parse_error(r);
5356
5357 if (all || !isempty(paths))
5358 bus_print_property_value(name, expected_value, value, strempty(paths));
5359
5360 return 1;
5361
5362 } else if (streq(name, "LogExtraFields")) {
5363 _cleanup_free_ char *fields = NULL;
5364 const void *p;
5365 size_t sz;
5366
5367 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5368 if (r < 0)
5369 return bus_log_parse_error(r);
5370
5371 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5372 _cleanup_free_ char *str = NULL;
5373 const char *eq;
5374
5375 if (memchr(p, 0, sz))
5376 continue;
5377
5378 eq = memchr(p, '=', sz);
5379 if (!eq)
5380 continue;
5381
5382 if (!journal_field_valid(p, eq - (const char*) p, false))
5383 continue;
5384
5385 str = malloc(sz + 1);
5386 if (!str)
5387 return log_oom();
5388
5389 memcpy(str, p, sz);
5390 str[sz] = '\0';
5391
5392 if (!utf8_is_valid(str))
5393 continue;
5394
5395 if (!strextend_with_separator(&fields, " ", str, NULL))
5396 return log_oom();
5397 }
5398 if (r < 0)
5399 return bus_log_parse_error(r);
5400
5401 r = sd_bus_message_exit_container(m);
5402 if (r < 0)
5403 return bus_log_parse_error(r);
5404
5405 if (all || !isempty(fields))
5406 bus_print_property_value(name, expected_value, value, strempty(fields));
5407
5408 return 1;
5409 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask")) {
5410 _cleanup_free_ char *affinity = NULL;
5411 _cleanup_(cpu_set_reset) CPUSet set = {};
5412 const void *a;
5413 size_t n;
5414
5415 r = sd_bus_message_read_array(m, 'y', &a, &n);
5416 if (r < 0)
5417 return bus_log_parse_error(r);
5418
5419 r = cpu_set_from_dbus(a, n, &set);
5420 if (r < 0)
5421 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5422
5423 affinity = cpu_set_to_range_string(&set);
5424 if (!affinity)
5425 return log_oom();
5426
5427 bus_print_property_value(name, expected_value, value, affinity);
5428
5429 return 1;
5430 }
5431
5432 break;
5433 }
5434
5435 return 0;
5436 }
5437
5438 typedef enum SystemctlShowMode{
5439 SYSTEMCTL_SHOW_PROPERTIES,
5440 SYSTEMCTL_SHOW_STATUS,
5441 SYSTEMCTL_SHOW_HELP,
5442 _SYSTEMCTL_SHOW_MODE_MAX,
5443 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5444 } SystemctlShowMode;
5445
5446 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5447 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5448 [SYSTEMCTL_SHOW_STATUS] = "status",
5449 [SYSTEMCTL_SHOW_HELP] = "help",
5450 };
5451
5452 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5453
5454 static int show_one(
5455 sd_bus *bus,
5456 const char *path,
5457 const char *unit,
5458 SystemctlShowMode show_mode,
5459 bool *new_line,
5460 bool *ellipsized) {
5461
5462 static const struct bus_properties_map property_map[] = {
5463 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5464 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5465 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5466 {}
5467 }, status_map[] = {
5468 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5469 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5470 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5471 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5472 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5473 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5474 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5475 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5476 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5477 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5478 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5479 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5480 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5481 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5482 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5483 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5484 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5485 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5486 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5487 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5488 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5489 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5490 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5491 { "MainPID", "u", map_main_pid, 0 },
5492 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5493 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5494 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5495 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5496 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5497 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5498 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5499 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5500 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5501 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5502 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5503 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5504 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5505 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5506 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5507 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5508 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5509 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5510 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5511 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5512 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5513 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5514 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5515 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5516 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5517 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5518 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5519 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5520 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5521 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5522 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5523 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5524 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5525 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5526 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5527 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5528 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5529 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5530 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5531 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5532 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5533 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5534 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5535 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5536 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5537 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5538 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5539 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5540 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5541 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5542 {}
5543 };
5544
5545 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5546 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5547 _cleanup_set_free_ Set *found_properties = NULL;
5548 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5549 .memory_current = (uint64_t) -1,
5550 .memory_high = CGROUP_LIMIT_MAX,
5551 .memory_max = CGROUP_LIMIT_MAX,
5552 .memory_swap_max = CGROUP_LIMIT_MAX,
5553 .memory_limit = (uint64_t) -1,
5554 .cpu_usage_nsec = (uint64_t) -1,
5555 .tasks_current = (uint64_t) -1,
5556 .tasks_max = (uint64_t) -1,
5557 .ip_ingress_bytes = (uint64_t) -1,
5558 .ip_egress_bytes = (uint64_t) -1,
5559 .io_read_bytes = UINT64_MAX,
5560 .io_write_bytes = UINT64_MAX,
5561 };
5562 char **pp;
5563 int r;
5564
5565 assert(path);
5566 assert(new_line);
5567
5568 log_debug("Showing one %s", path);
5569
5570 r = bus_map_all_properties(
5571 bus,
5572 "org.freedesktop.systemd1",
5573 path,
5574 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5575 BUS_MAP_BOOLEAN_AS_BOOL,
5576 &error,
5577 &reply,
5578 &info);
5579 if (r < 0)
5580 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5581
5582 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5583 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5584 "Unit %s could not be found.", unit);
5585
5586 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5587 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5588 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5589 return -ENOENT;
5590 }
5591
5592 if (*new_line)
5593 printf("\n");
5594
5595 *new_line = true;
5596
5597 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5598 print_status_info(bus, &info, ellipsized);
5599
5600 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5601 return EXIT_PROGRAM_NOT_RUNNING;
5602
5603 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5604
5605 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5606 show_unit_help(&info);
5607 return 0;
5608 }
5609
5610 r = sd_bus_message_rewind(reply, true);
5611 if (r < 0)
5612 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5613
5614 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5615 if (r < 0)
5616 return bus_log_parse_error(r);
5617
5618 STRV_FOREACH(pp, arg_properties)
5619 if (!set_contains(found_properties, *pp))
5620 log_debug("Property %s does not exist.", *pp);
5621
5622 return 0;
5623 }
5624
5625 static int get_unit_dbus_path_by_pid(
5626 sd_bus *bus,
5627 uint32_t pid,
5628 char **unit) {
5629
5630 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5631 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5632 char *u;
5633 int r;
5634
5635 r = sd_bus_call_method(
5636 bus,
5637 "org.freedesktop.systemd1",
5638 "/org/freedesktop/systemd1",
5639 "org.freedesktop.systemd1.Manager",
5640 "GetUnitByPID",
5641 &error,
5642 &reply,
5643 "u", pid);
5644 if (r < 0)
5645 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5646
5647 r = sd_bus_message_read(reply, "o", &u);
5648 if (r < 0)
5649 return bus_log_parse_error(r);
5650
5651 u = strdup(u);
5652 if (!u)
5653 return log_oom();
5654
5655 *unit = u;
5656 return 0;
5657 }
5658
5659 static int show_all(
5660 sd_bus *bus,
5661 bool *new_line,
5662 bool *ellipsized) {
5663
5664 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5665 _cleanup_free_ UnitInfo *unit_infos = NULL;
5666 const UnitInfo *u;
5667 unsigned c;
5668 int r, ret = 0;
5669
5670 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5671 if (r < 0)
5672 return r;
5673
5674 (void) pager_open(arg_pager_flags);
5675
5676 c = (unsigned) r;
5677
5678 typesafe_qsort(unit_infos, c, compare_unit_info);
5679
5680 for (u = unit_infos; u < unit_infos + c; u++) {
5681 _cleanup_free_ char *p = NULL;
5682
5683 p = unit_dbus_path_from_name(u->id);
5684 if (!p)
5685 return log_oom();
5686
5687 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5688 if (r < 0)
5689 return r;
5690 else if (r > 0 && ret == 0)
5691 ret = r;
5692 }
5693
5694 return ret;
5695 }
5696
5697 static int show_system_status(sd_bus *bus) {
5698 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5699 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5700 _cleanup_(machine_info_clear) struct machine_info mi = {};
5701 _cleanup_free_ char *hn = NULL;
5702 const char *on, *off;
5703 int r;
5704
5705 hn = gethostname_malloc();
5706 if (!hn)
5707 return log_oom();
5708
5709 r = bus_map_all_properties(
5710 bus,
5711 "org.freedesktop.systemd1",
5712 "/org/freedesktop/systemd1",
5713 machine_info_property_map,
5714 BUS_MAP_STRDUP,
5715 &error,
5716 NULL,
5717 &mi);
5718 if (r < 0)
5719 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5720
5721 if (streq_ptr(mi.state, "degraded")) {
5722 on = ansi_highlight_red();
5723 off = ansi_normal();
5724 } else if (streq_ptr(mi.state, "running")) {
5725 on = ansi_highlight_green();
5726 off = ansi_normal();
5727 } else {
5728 on = ansi_highlight_yellow();
5729 off = ansi_normal();
5730 }
5731
5732 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5733
5734 printf(" State: %s%s%s\n",
5735 on, strna(mi.state), off);
5736
5737 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5738 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5739
5740 printf(" Since: %s; %s\n",
5741 format_timestamp(since2, sizeof(since2), mi.timestamp),
5742 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5743
5744 printf(" CGroup: %s\n", mi.control_group ?: "/");
5745 if (IN_SET(arg_transport,
5746 BUS_TRANSPORT_LOCAL,
5747 BUS_TRANSPORT_MACHINE)) {
5748 static const char prefix[] = " ";
5749 unsigned c;
5750
5751 c = columns();
5752 if (c > sizeof(prefix) - 1)
5753 c -= sizeof(prefix) - 1;
5754 else
5755 c = 0;
5756
5757 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5758 }
5759
5760 return 0;
5761 }
5762
5763 static int show(int argc, char *argv[], void *userdata) {
5764 bool new_line = false, ellipsized = false;
5765 SystemctlShowMode show_mode;
5766 int r, ret = 0;
5767 sd_bus *bus;
5768
5769 assert(argv);
5770
5771 show_mode = systemctl_show_mode_from_string(argv[0]);
5772 if (show_mode < 0)
5773 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5774 "Invalid argument.");
5775
5776 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5777 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5778 "This command expects one or more unit names. Did you mean --help?");
5779
5780 r = acquire_bus(BUS_MANAGER, &bus);
5781 if (r < 0)
5782 return r;
5783
5784 (void) pager_open(arg_pager_flags);
5785
5786 /* If no argument is specified inspect the manager itself */
5787 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5788 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5789
5790 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5791
5792 show_system_status(bus);
5793 new_line = true;
5794
5795 if (arg_all)
5796 ret = show_all(bus, &new_line, &ellipsized);
5797 } else {
5798 _cleanup_free_ char **patterns = NULL;
5799 char **name;
5800
5801 STRV_FOREACH(name, strv_skip(argv, 1)) {
5802 _cleanup_free_ char *path = NULL, *unit = NULL;
5803 uint32_t id;
5804
5805 if (safe_atou32(*name, &id) < 0) {
5806 if (strv_push(&patterns, *name) < 0)
5807 return log_oom();
5808
5809 continue;
5810 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5811 /* Interpret as job id */
5812 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5813 return log_oom();
5814
5815 } else {
5816 /* Interpret as PID */
5817 r = get_unit_dbus_path_by_pid(bus, id, &path);
5818 if (r < 0) {
5819 ret = r;
5820 continue;
5821 }
5822
5823 r = unit_name_from_dbus_path(path, &unit);
5824 if (r < 0)
5825 return log_oom();
5826 }
5827
5828 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5829 if (r < 0)
5830 return r;
5831 else if (r > 0 && ret == 0)
5832 ret = r;
5833 }
5834
5835 if (!strv_isempty(patterns)) {
5836 _cleanup_strv_free_ char **names = NULL;
5837
5838 r = expand_names(bus, patterns, NULL, &names);
5839 if (r < 0)
5840 return log_error_errno(r, "Failed to expand names: %m");
5841
5842 STRV_FOREACH(name, names) {
5843 _cleanup_free_ char *path;
5844
5845 path = unit_dbus_path_from_name(*name);
5846 if (!path)
5847 return log_oom();
5848
5849 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5850 if (r < 0)
5851 return r;
5852 if (r > 0 && ret == 0)
5853 ret = r;
5854 }
5855 }
5856 }
5857
5858 if (ellipsized && !arg_quiet)
5859 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5860
5861 return ret;
5862 }
5863
5864 static int cat(int argc, char *argv[], void *userdata) {
5865 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5866 _cleanup_strv_free_ char **names = NULL;
5867 char **name;
5868 sd_bus *bus;
5869 bool first = true;
5870 int r;
5871
5872 /* Include all units by default - i.e. continue as if the --all
5873 * option was used */
5874 if (strv_isempty(arg_states))
5875 arg_all = true;
5876
5877 if (arg_transport != BUS_TRANSPORT_LOCAL)
5878 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5879
5880 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5881 if (r < 0)
5882 return log_error_errno(r, "Failed to determine unit paths: %m");
5883
5884 r = acquire_bus(BUS_MANAGER, &bus);
5885 if (r < 0)
5886 return r;
5887
5888 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5889 if (r < 0)
5890 return log_error_errno(r, "Failed to expand names: %m");
5891
5892 (void) pager_open(arg_pager_flags);
5893
5894 STRV_FOREACH(name, names) {
5895 _cleanup_free_ char *fragment_path = NULL;
5896 _cleanup_strv_free_ char **dropin_paths = NULL;
5897
5898 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5899 if (r == -ERFKILL) {
5900 printf("%s# Unit %s is masked%s.\n",
5901 ansi_highlight_magenta(),
5902 *name,
5903 ansi_normal());
5904 continue;
5905 }
5906 if (r == -EKEYREJECTED) {
5907 printf("%s# Unit %s could not be loaded.%s\n",
5908 ansi_highlight_magenta(),
5909 *name,
5910 ansi_normal());
5911 continue;
5912 }
5913 if (r < 0)
5914 return r;
5915 if (r == 0)
5916 return -ENOENT;
5917
5918 if (first)
5919 first = false;
5920 else
5921 puts("");
5922
5923 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5924 fprintf(stderr,
5925 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5926 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5927 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5928 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5929 ansi_highlight_red(),
5930 *name,
5931 ansi_highlight_red(),
5932 ansi_highlight_red(),
5933 ansi_highlight_red(),
5934 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5935 ansi_normal());
5936
5937 r = cat_files(fragment_path, dropin_paths, 0);
5938 if (r < 0)
5939 return r;
5940 }
5941
5942 return 0;
5943 }
5944
5945 static int set_property(int argc, char *argv[], void *userdata) {
5946 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5947 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5948 _cleanup_free_ char *n = NULL;
5949 UnitType t;
5950 sd_bus *bus;
5951 int r;
5952
5953 r = acquire_bus(BUS_MANAGER, &bus);
5954 if (r < 0)
5955 return r;
5956
5957 polkit_agent_open_maybe();
5958
5959 r = sd_bus_message_new_method_call(
5960 bus,
5961 &m,
5962 "org.freedesktop.systemd1",
5963 "/org/freedesktop/systemd1",
5964 "org.freedesktop.systemd1.Manager",
5965 "SetUnitProperties");
5966 if (r < 0)
5967 return bus_log_create_error(r);
5968
5969 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5970 if (r < 0)
5971 return log_error_errno(r, "Failed to mangle unit name: %m");
5972
5973 t = unit_name_to_type(n);
5974 if (t < 0)
5975 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
5976
5977 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5978 if (r < 0)
5979 return bus_log_create_error(r);
5980
5981 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5982 if (r < 0)
5983 return bus_log_create_error(r);
5984
5985 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5986 if (r < 0)
5987 return r;
5988
5989 r = sd_bus_message_close_container(m);
5990 if (r < 0)
5991 return bus_log_create_error(r);
5992
5993 r = sd_bus_call(bus, m, 0, &error, NULL);
5994 if (r < 0)
5995 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5996
5997 return 0;
5998 }
5999
6000 static int daemon_reload(int argc, char *argv[], void *userdata) {
6001 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6002 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6003 const char *method;
6004 sd_bus *bus;
6005 int r;
6006
6007 r = acquire_bus(BUS_MANAGER, &bus);
6008 if (r < 0)
6009 return r;
6010
6011 polkit_agent_open_maybe();
6012
6013 switch (arg_action) {
6014
6015 case ACTION_RELOAD:
6016 method = "Reload";
6017 break;
6018
6019 case ACTION_REEXEC:
6020 method = "Reexecute";
6021 break;
6022
6023 case ACTION_SYSTEMCTL:
6024 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6025 /* "daemon-reload" */ "Reload";
6026 break;
6027
6028 default:
6029 assert_not_reached("Unexpected action");
6030 }
6031
6032 r = sd_bus_message_new_method_call(
6033 bus,
6034 &m,
6035 "org.freedesktop.systemd1",
6036 "/org/freedesktop/systemd1",
6037 "org.freedesktop.systemd1.Manager",
6038 method);
6039 if (r < 0)
6040 return bus_log_create_error(r);
6041
6042 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6043 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6044 * their timeout, and for everything else there's the same time budget in place. */
6045
6046 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6047
6048 /* On reexecution, we expect a disconnect, not a reply */
6049 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6050 r = 0;
6051
6052 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6053 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6054
6055 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6056 * old ways of doing things, hence don't log any error in that case here. */
6057
6058 return r < 0 ? r : 0;
6059 }
6060
6061 static int trivial_method(int argc, char *argv[], void *userdata) {
6062 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6063 const char *method;
6064 sd_bus *bus;
6065 int r;
6066
6067 if (arg_dry_run)
6068 return 0;
6069
6070 r = acquire_bus(BUS_MANAGER, &bus);
6071 if (r < 0)
6072 return r;
6073
6074 polkit_agent_open_maybe();
6075
6076 method =
6077 streq(argv[0], "clear-jobs") ||
6078 streq(argv[0], "cancel") ? "ClearJobs" :
6079 streq(argv[0], "reset-failed") ? "ResetFailed" :
6080 streq(argv[0], "halt") ? "Halt" :
6081 streq(argv[0], "reboot") ? "Reboot" :
6082 streq(argv[0], "kexec") ? "KExec" :
6083 streq(argv[0], "exit") ? "Exit" :
6084 /* poweroff */ "PowerOff";
6085
6086 r = sd_bus_call_method(
6087 bus,
6088 "org.freedesktop.systemd1",
6089 "/org/freedesktop/systemd1",
6090 "org.freedesktop.systemd1.Manager",
6091 method,
6092 &error,
6093 NULL,
6094 NULL);
6095 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6096 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6097
6098 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6099 * old ways of doing things, hence don't log any error in that case here. */
6100
6101 return r < 0 ? r : 0;
6102 }
6103
6104 static int reset_failed(int argc, char *argv[], void *userdata) {
6105 _cleanup_strv_free_ char **names = NULL;
6106 sd_bus *bus;
6107 char **name;
6108 int r, q;
6109
6110 if (argc <= 1)
6111 return trivial_method(argc, argv, userdata);
6112
6113 r = acquire_bus(BUS_MANAGER, &bus);
6114 if (r < 0)
6115 return r;
6116
6117 polkit_agent_open_maybe();
6118
6119 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6120 if (r < 0)
6121 return log_error_errno(r, "Failed to expand names: %m");
6122
6123 STRV_FOREACH(name, names) {
6124 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6125
6126 q = sd_bus_call_method(
6127 bus,
6128 "org.freedesktop.systemd1",
6129 "/org/freedesktop/systemd1",
6130 "org.freedesktop.systemd1.Manager",
6131 "ResetFailedUnit",
6132 &error,
6133 NULL,
6134 "s", *name);
6135 if (q < 0) {
6136 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6137 if (r == 0)
6138 r = q;
6139 }
6140 }
6141
6142 return r;
6143 }
6144
6145 static int print_variable(const char *s) {
6146 const char *sep;
6147 _cleanup_free_ char *esc = NULL;
6148
6149 sep = strchr(s, '=');
6150 if (!sep)
6151 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6152 "Invalid environment block");
6153
6154 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6155 if (!esc)
6156 return log_oom();
6157
6158 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6159 return 0;
6160 }
6161
6162 static int show_environment(int argc, char *argv[], void *userdata) {
6163 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6164 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6165 const char *text;
6166 sd_bus *bus;
6167 int r;
6168
6169 r = acquire_bus(BUS_MANAGER, &bus);
6170 if (r < 0)
6171 return r;
6172
6173 (void) pager_open(arg_pager_flags);
6174
6175 r = sd_bus_get_property(
6176 bus,
6177 "org.freedesktop.systemd1",
6178 "/org/freedesktop/systemd1",
6179 "org.freedesktop.systemd1.Manager",
6180 "Environment",
6181 &error,
6182 &reply,
6183 "as");
6184 if (r < 0)
6185 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6186
6187 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6188 if (r < 0)
6189 return bus_log_parse_error(r);
6190
6191 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6192 r = print_variable(text);
6193 if (r < 0)
6194 return r;
6195 }
6196 if (r < 0)
6197 return bus_log_parse_error(r);
6198
6199 r = sd_bus_message_exit_container(reply);
6200 if (r < 0)
6201 return bus_log_parse_error(r);
6202
6203 return 0;
6204 }
6205
6206 static int switch_root(int argc, char *argv[], void *userdata) {
6207 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6208 _cleanup_free_ char *cmdline_init = NULL;
6209 const char *root, *init;
6210 sd_bus *bus;
6211 int r;
6212
6213 if (arg_transport != BUS_TRANSPORT_LOCAL)
6214 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6215
6216 if (argc < 2 || argc > 3)
6217 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6218
6219 root = argv[1];
6220
6221 if (argc >= 3)
6222 init = argv[2];
6223 else {
6224 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6225 if (r < 0)
6226 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6227
6228 init = cmdline_init;
6229 }
6230
6231 init = empty_to_null(init);
6232 if (init) {
6233 const char *root_systemd_path = NULL, *root_init_path = NULL;
6234
6235 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6236 root_init_path = prefix_roota(root, init);
6237
6238 /* If the passed init is actually the same as the
6239 * systemd binary, then let's suppress it. */
6240 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6241 init = NULL;
6242 }
6243
6244 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6245 * would exit with a failure status even though the switch to the new root has succeed. */
6246 assert(saved_argv);
6247 assert(saved_argv[0]);
6248 saved_argv[0][0] = '@';
6249
6250 r = acquire_bus(BUS_MANAGER, &bus);
6251 if (r < 0)
6252 return r;
6253
6254 /* If we are slow to exit after the root switch, the new systemd instance
6255 * will send us a signal to terminate. Just ignore it and exit normally.
6256 * This way the unit does not end up as failed.
6257 */
6258 r = ignore_signals(SIGTERM, -1);
6259 if (r < 0)
6260 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6261
6262 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6263
6264 r = sd_bus_call_method(
6265 bus,
6266 "org.freedesktop.systemd1",
6267 "/org/freedesktop/systemd1",
6268 "org.freedesktop.systemd1.Manager",
6269 "SwitchRoot",
6270 &error,
6271 NULL,
6272 "ss", root, init);
6273 if (r < 0) {
6274 (void) default_signals(SIGTERM, -1);
6275
6276 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6277 }
6278
6279 return 0;
6280 }
6281
6282 static int set_environment(int argc, char *argv[], void *userdata) {
6283 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6284 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6285 const char *method;
6286 sd_bus *bus;
6287 int r;
6288
6289 assert(argc > 1);
6290 assert(argv);
6291
6292 r = acquire_bus(BUS_MANAGER, &bus);
6293 if (r < 0)
6294 return r;
6295
6296 polkit_agent_open_maybe();
6297
6298 method = streq(argv[0], "set-environment")
6299 ? "SetEnvironment"
6300 : "UnsetEnvironment";
6301
6302 r = sd_bus_message_new_method_call(
6303 bus,
6304 &m,
6305 "org.freedesktop.systemd1",
6306 "/org/freedesktop/systemd1",
6307 "org.freedesktop.systemd1.Manager",
6308 method);
6309 if (r < 0)
6310 return bus_log_create_error(r);
6311
6312 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6313 if (r < 0)
6314 return bus_log_create_error(r);
6315
6316 r = sd_bus_call(bus, m, 0, &error, NULL);
6317 if (r < 0)
6318 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6319
6320 return 0;
6321 }
6322
6323 static int import_environment(int argc, char *argv[], void *userdata) {
6324 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6325 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6326 sd_bus *bus;
6327 int r;
6328
6329 r = acquire_bus(BUS_MANAGER, &bus);
6330 if (r < 0)
6331 return r;
6332
6333 polkit_agent_open_maybe();
6334
6335 r = sd_bus_message_new_method_call(
6336 bus,
6337 &m,
6338 "org.freedesktop.systemd1",
6339 "/org/freedesktop/systemd1",
6340 "org.freedesktop.systemd1.Manager",
6341 "SetEnvironment");
6342 if (r < 0)
6343 return bus_log_create_error(r);
6344
6345 if (argc < 2)
6346 r = sd_bus_message_append_strv(m, environ);
6347 else {
6348 char **a, **b;
6349
6350 r = sd_bus_message_open_container(m, 'a', "s");
6351 if (r < 0)
6352 return bus_log_create_error(r);
6353
6354 STRV_FOREACH(a, strv_skip(argv, 1)) {
6355
6356 if (!env_name_is_valid(*a))
6357 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6358
6359 STRV_FOREACH(b, environ) {
6360 const char *eq;
6361
6362 eq = startswith(*b, *a);
6363 if (eq && *eq == '=') {
6364
6365 r = sd_bus_message_append(m, "s", *b);
6366 if (r < 0)
6367 return bus_log_create_error(r);
6368
6369 break;
6370 }
6371 }
6372 }
6373
6374 r = sd_bus_message_close_container(m);
6375 }
6376 if (r < 0)
6377 return bus_log_create_error(r);
6378
6379 r = sd_bus_call(bus, m, 0, &error, NULL);
6380 if (r < 0)
6381 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6382
6383 return 0;
6384 }
6385
6386 static int enable_sysv_units(const char *verb, char **args) {
6387 int r = 0;
6388
6389 #if HAVE_SYSV_COMPAT
6390 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6391 unsigned f = 0;
6392
6393 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6394
6395 if (arg_scope != UNIT_FILE_SYSTEM)
6396 return 0;
6397
6398 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6399 return 0;
6400
6401 if (!STR_IN_SET(verb,
6402 "enable",
6403 "disable",
6404 "is-enabled"))
6405 return 0;
6406
6407 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6408 if (r < 0)
6409 return r;
6410
6411 r = 0;
6412 while (args[f]) {
6413
6414 const char *argv[] = {
6415 ROOTLIBEXECDIR "/systemd-sysv-install",
6416 NULL, /* --root= */
6417 NULL, /* verb */
6418 NULL, /* service */
6419 NULL,
6420 };
6421
6422 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6423 bool found_native = false, found_sysv;
6424 const char *name;
6425 unsigned c = 1;
6426 pid_t pid;
6427 int j;
6428
6429 name = args[f++];
6430
6431 if (!endswith(name, ".service"))
6432 continue;
6433
6434 if (path_is_absolute(name))
6435 continue;
6436
6437 j = unit_file_exists(arg_scope, &paths, name);
6438 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6439 return log_error_errno(j, "Failed to lookup unit file state: %m");
6440 found_native = j != 0;
6441
6442 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6443 * prefer the native unit */
6444 if (found_native && streq(verb, "is-enabled"))
6445 continue;
6446
6447 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6448 if (!p)
6449 return log_oom();
6450
6451 p[strlen(p) - STRLEN(".service")] = 0;
6452 found_sysv = access(p, F_OK) >= 0;
6453 if (!found_sysv)
6454 continue;
6455
6456 if (!arg_quiet) {
6457 if (found_native)
6458 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6459 else
6460 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6461 }
6462
6463 if (!isempty(arg_root)) {
6464 q = strjoin("--root=", arg_root);
6465 if (!q)
6466 return log_oom();
6467
6468 argv[c++] = q;
6469 }
6470
6471 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6472 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6473 v = strdup(verb);
6474 if (!v)
6475 return log_oom();
6476
6477 argv[c++] = v;
6478 argv[c++] = basename(p);
6479 argv[c] = NULL;
6480
6481 l = strv_join((char**)argv, " ");
6482 if (!l)
6483 return log_oom();
6484
6485 if (!arg_quiet)
6486 log_info("Executing: %s", l);
6487
6488 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6489 if (j < 0)
6490 return j;
6491 if (j == 0) {
6492 /* Child */
6493 execv(argv[0], (char**) argv);
6494 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6495 _exit(EXIT_FAILURE);
6496 }
6497
6498 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6499 if (j < 0)
6500 return j;
6501 if (streq(verb, "is-enabled")) {
6502 if (j == EXIT_SUCCESS) {
6503 if (!arg_quiet)
6504 puts("enabled");
6505 r = 1;
6506 } else {
6507 if (!arg_quiet)
6508 puts("disabled");
6509 }
6510
6511 } else if (j != EXIT_SUCCESS)
6512 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6513
6514 if (found_native)
6515 continue;
6516
6517 /* Remove this entry, so that we don't try enabling it as native unit */
6518 assert(f > 0);
6519 f--;
6520 assert(args[f] == name);
6521 strv_remove(args + f, name);
6522 }
6523
6524 #endif
6525 return r;
6526 }
6527
6528 static int mangle_names(char **original_names, char ***mangled_names) {
6529 char **i, **l, **name;
6530 int r;
6531
6532 l = i = new(char*, strv_length(original_names) + 1);
6533 if (!l)
6534 return log_oom();
6535
6536 STRV_FOREACH(name, original_names) {
6537
6538 /* When enabling units qualified path names are OK,
6539 * too, hence allow them explicitly. */
6540
6541 if (is_path(*name)) {
6542 *i = strdup(*name);
6543 if (!*i) {
6544 strv_free(l);
6545 return log_oom();
6546 }
6547 } else {
6548 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6549 if (r < 0) {
6550 *i = NULL;
6551 strv_free(l);
6552 return log_error_errno(r, "Failed to mangle unit name: %m");
6553 }
6554 }
6555
6556 i++;
6557 }
6558
6559 *i = NULL;
6560 *mangled_names = l;
6561
6562 return 0;
6563 }
6564
6565 static int normalize_filenames(char **names) {
6566 char **u;
6567 int r;
6568
6569 STRV_FOREACH(u, names)
6570 if (!path_is_absolute(*u)) {
6571 char* normalized_path;
6572
6573 if (!isempty(arg_root))
6574 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6575 "Non-absolute paths are not allowed when --root is used: %s",
6576 *u);
6577
6578 if (!strchr(*u,'/'))
6579 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6580 "Link argument does contain at least one directory separator: %s",
6581 *u);
6582
6583 r = path_make_absolute_cwd(*u, &normalized_path);
6584 if (r < 0)
6585 return r;
6586
6587 free_and_replace(*u, normalized_path);
6588 }
6589
6590 return 0;
6591 }
6592
6593 static int normalize_names(char **names, bool warn_if_path) {
6594 char **u;
6595 bool was_path = false;
6596
6597 STRV_FOREACH(u, names) {
6598 int r;
6599
6600 if (!is_path(*u))
6601 continue;
6602
6603 r = free_and_strdup(u, basename(*u));
6604 if (r < 0)
6605 return log_error_errno(r, "Failed to normalize unit file path: %m");
6606
6607 was_path = true;
6608 }
6609
6610 if (warn_if_path && was_path)
6611 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6612
6613 return 0;
6614 }
6615
6616 static int unit_exists(LookupPaths *lp, const char *unit) {
6617 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6618 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6619 _cleanup_free_ char *path = NULL;
6620 static const struct bus_properties_map property_map[] = {
6621 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6622 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6623 {},
6624 };
6625 UnitStatusInfo info = {};
6626 sd_bus *bus;
6627 int r;
6628
6629 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6630 return unit_find_template_path(unit, lp, NULL, NULL);
6631
6632 path = unit_dbus_path_from_name(unit);
6633 if (!path)
6634 return log_oom();
6635
6636 r = acquire_bus(BUS_MANAGER, &bus);
6637 if (r < 0)
6638 return r;
6639
6640 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6641 if (r < 0)
6642 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6643
6644 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6645 }
6646
6647 static int enable_unit(int argc, char *argv[], void *userdata) {
6648 _cleanup_strv_free_ char **names = NULL;
6649 const char *verb = argv[0];
6650 UnitFileChange *changes = NULL;
6651 size_t n_changes = 0;
6652 int carries_install_info = -1;
6653 bool ignore_carries_install_info = arg_quiet;
6654 int r;
6655
6656 if (!argv[1])
6657 return 0;
6658
6659 r = mangle_names(strv_skip(argv, 1), &names);
6660 if (r < 0)
6661 return r;
6662
6663 r = enable_sysv_units(verb, names);
6664 if (r < 0)
6665 return r;
6666
6667 /* If the operation was fully executed by the SysV compat, let's finish early */
6668 if (strv_isempty(names)) {
6669 if (arg_no_reload || install_client_side())
6670 return 0;
6671 return daemon_reload(argc, argv, userdata);
6672 }
6673
6674 if (streq(verb, "disable")) {
6675 r = normalize_names(names, true);
6676 if (r < 0)
6677 return r;
6678 }
6679
6680 if (streq(verb, "link")) {
6681 r = normalize_filenames(names);
6682 if (r < 0)
6683 return r;
6684 }
6685
6686 if (install_client_side()) {
6687 UnitFileFlags flags;
6688
6689 flags = args_to_flags();
6690 if (streq(verb, "enable")) {
6691 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6692 carries_install_info = r;
6693 } else if (streq(verb, "disable"))
6694 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6695 else if (streq(verb, "reenable")) {
6696 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6697 carries_install_info = r;
6698 } else if (streq(verb, "link"))
6699 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6700 else if (streq(verb, "preset")) {
6701 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6702 } else if (streq(verb, "mask"))
6703 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6704 else if (streq(verb, "unmask"))
6705 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6706 else if (streq(verb, "revert"))
6707 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6708 else
6709 assert_not_reached("Unknown verb");
6710
6711 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6712 if (r < 0)
6713 goto finish;
6714 r = 0;
6715 } else {
6716 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6717 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6718 bool expect_carries_install_info = false;
6719 bool send_runtime = true, send_force = true, send_preset_mode = false;
6720 const char *method;
6721 sd_bus *bus;
6722
6723 if (STR_IN_SET(verb, "mask", "unmask")) {
6724 char **name;
6725 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6726
6727 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6728 if (r < 0)
6729 return r;
6730
6731 STRV_FOREACH(name, names) {
6732 r = unit_exists(&lp, *name);
6733 if (r < 0)
6734 return r;
6735 if (r == 0)
6736 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6737 }
6738 }
6739
6740 r = acquire_bus(BUS_MANAGER, &bus);
6741 if (r < 0)
6742 return r;
6743
6744 polkit_agent_open_maybe();
6745
6746 if (streq(verb, "enable")) {
6747 method = "EnableUnitFiles";
6748 expect_carries_install_info = true;
6749 } else if (streq(verb, "disable")) {
6750 method = "DisableUnitFiles";
6751 send_force = false;
6752 } else if (streq(verb, "reenable")) {
6753 method = "ReenableUnitFiles";
6754 expect_carries_install_info = true;
6755 } else if (streq(verb, "link"))
6756 method = "LinkUnitFiles";
6757 else if (streq(verb, "preset")) {
6758
6759 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6760 method = "PresetUnitFilesWithMode";
6761 send_preset_mode = true;
6762 } else
6763 method = "PresetUnitFiles";
6764
6765 expect_carries_install_info = true;
6766 ignore_carries_install_info = true;
6767 } else if (streq(verb, "mask"))
6768 method = "MaskUnitFiles";
6769 else if (streq(verb, "unmask")) {
6770 method = "UnmaskUnitFiles";
6771 send_force = false;
6772 } else if (streq(verb, "revert")) {
6773 method = "RevertUnitFiles";
6774 send_runtime = send_force = false;
6775 } else
6776 assert_not_reached("Unknown verb");
6777
6778 r = sd_bus_message_new_method_call(
6779 bus,
6780 &m,
6781 "org.freedesktop.systemd1",
6782 "/org/freedesktop/systemd1",
6783 "org.freedesktop.systemd1.Manager",
6784 method);
6785 if (r < 0)
6786 return bus_log_create_error(r);
6787
6788 r = sd_bus_message_append_strv(m, names);
6789 if (r < 0)
6790 return bus_log_create_error(r);
6791
6792 if (send_preset_mode) {
6793 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6794 if (r < 0)
6795 return bus_log_create_error(r);
6796 }
6797
6798 if (send_runtime) {
6799 r = sd_bus_message_append(m, "b", arg_runtime);
6800 if (r < 0)
6801 return bus_log_create_error(r);
6802 }
6803
6804 if (send_force) {
6805 r = sd_bus_message_append(m, "b", arg_force);
6806 if (r < 0)
6807 return bus_log_create_error(r);
6808 }
6809
6810 r = sd_bus_call(bus, m, 0, &error, &reply);
6811 if (r < 0)
6812 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6813
6814 if (expect_carries_install_info) {
6815 r = sd_bus_message_read(reply, "b", &carries_install_info);
6816 if (r < 0)
6817 return bus_log_parse_error(r);
6818 }
6819
6820 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6821 if (r < 0)
6822 goto finish;
6823
6824 /* Try to reload if enabled */
6825 if (!arg_no_reload)
6826 r = daemon_reload(argc, argv, userdata);
6827 else
6828 r = 0;
6829 }
6830
6831 if (carries_install_info == 0 && !ignore_carries_install_info)
6832 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6833 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6834 "units). This means they are not meant to be enabled using systemctl.\n"
6835 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6836 "Possible reasons for having this kind of units are:\n"
6837 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6838 " .wants/ or .requires/ directory.\n"
6839 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6840 " a requirement dependency on it.\n"
6841 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6842 " D-Bus, udev, scripted systemctl call, ...).\n"
6843 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6844 " instance name specified.",
6845 special_glyph(SPECIAL_GLYPH_BULLET));
6846
6847 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6848 sd_bus *bus;
6849 size_t len, i;
6850
6851 r = acquire_bus(BUS_MANAGER, &bus);
6852 if (r < 0)
6853 goto finish;
6854
6855 len = strv_length(names);
6856 {
6857 char *new_args[len + 2];
6858
6859 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6860 for (i = 0; i < len; i++)
6861 new_args[i + 1] = basename(names[i]);
6862 new_args[i + 1] = NULL;
6863
6864 r = start_unit(len + 1, new_args, userdata);
6865 }
6866 }
6867
6868 finish:
6869 unit_file_changes_free(changes, n_changes);
6870
6871 return r;
6872 }
6873
6874 static int add_dependency(int argc, char *argv[], void *userdata) {
6875 _cleanup_strv_free_ char **names = NULL;
6876 _cleanup_free_ char *target = NULL;
6877 const char *verb = argv[0];
6878 UnitFileChange *changes = NULL;
6879 size_t n_changes = 0;
6880 UnitDependency dep;
6881 int r = 0;
6882
6883 if (!argv[1])
6884 return 0;
6885
6886 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6887 if (r < 0)
6888 return log_error_errno(r, "Failed to mangle unit name: %m");
6889
6890 r = mangle_names(strv_skip(argv, 2), &names);
6891 if (r < 0)
6892 return r;
6893
6894 if (streq(verb, "add-wants"))
6895 dep = UNIT_WANTS;
6896 else if (streq(verb, "add-requires"))
6897 dep = UNIT_REQUIRES;
6898 else
6899 assert_not_reached("Unknown verb");
6900
6901 if (install_client_side()) {
6902 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6903 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6904
6905 if (r > 0)
6906 r = 0;
6907 } else {
6908 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6909 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6910 sd_bus *bus;
6911
6912 r = acquire_bus(BUS_MANAGER, &bus);
6913 if (r < 0)
6914 return r;
6915
6916 polkit_agent_open_maybe();
6917
6918 r = sd_bus_message_new_method_call(
6919 bus,
6920 &m,
6921 "org.freedesktop.systemd1",
6922 "/org/freedesktop/systemd1",
6923 "org.freedesktop.systemd1.Manager",
6924 "AddDependencyUnitFiles");
6925 if (r < 0)
6926 return bus_log_create_error(r);
6927
6928 r = sd_bus_message_append_strv(m, names);
6929 if (r < 0)
6930 return bus_log_create_error(r);
6931
6932 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6933 if (r < 0)
6934 return bus_log_create_error(r);
6935
6936 r = sd_bus_call(bus, m, 0, &error, &reply);
6937 if (r < 0)
6938 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6939
6940 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6941 if (r < 0)
6942 goto finish;
6943
6944 if (arg_no_reload) {
6945 r = 0;
6946 goto finish;
6947 }
6948
6949 r = daemon_reload(argc, argv, userdata);
6950 }
6951
6952 finish:
6953 unit_file_changes_free(changes, n_changes);
6954
6955 return r;
6956 }
6957
6958 static int preset_all(int argc, char *argv[], void *userdata) {
6959 UnitFileChange *changes = NULL;
6960 size_t n_changes = 0;
6961 int r;
6962
6963 if (install_client_side()) {
6964 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6965 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6966
6967 if (r > 0)
6968 r = 0;
6969 } else {
6970 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6971 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6972 sd_bus *bus;
6973
6974 r = acquire_bus(BUS_MANAGER, &bus);
6975 if (r < 0)
6976 return r;
6977
6978 polkit_agent_open_maybe();
6979
6980 r = sd_bus_call_method(
6981 bus,
6982 "org.freedesktop.systemd1",
6983 "/org/freedesktop/systemd1",
6984 "org.freedesktop.systemd1.Manager",
6985 "PresetAllUnitFiles",
6986 &error,
6987 &reply,
6988 "sbb",
6989 unit_file_preset_mode_to_string(arg_preset_mode),
6990 arg_runtime,
6991 arg_force);
6992 if (r < 0)
6993 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6994
6995 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6996 if (r < 0)
6997 goto finish;
6998
6999 if (arg_no_reload) {
7000 r = 0;
7001 goto finish;
7002 }
7003
7004 r = daemon_reload(argc, argv, userdata);
7005 }
7006
7007 finish:
7008 unit_file_changes_free(changes, n_changes);
7009
7010 return r;
7011 }
7012
7013 static int show_installation_targets_client_side(const char *name) {
7014 UnitFileChange *changes = NULL;
7015 size_t n_changes = 0, i;
7016 UnitFileFlags flags;
7017 char **p;
7018 int r;
7019
7020 p = STRV_MAKE(name);
7021 flags = UNIT_FILE_DRY_RUN |
7022 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7023
7024 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7025 if (r < 0)
7026 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7027
7028 for (i = 0; i < n_changes; i++)
7029 if (changes[i].type == UNIT_FILE_UNLINK)
7030 printf(" %s\n", changes[i].path);
7031
7032 return 0;
7033 }
7034
7035 static int show_installation_targets(sd_bus *bus, const char *name) {
7036 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7037 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7038 const char *link;
7039 int r;
7040
7041 r = sd_bus_call_method(
7042 bus,
7043 "org.freedesktop.systemd1",
7044 "/org/freedesktop/systemd1",
7045 "org.freedesktop.systemd1.Manager",
7046 "GetUnitFileLinks",
7047 &error,
7048 &reply,
7049 "sb", name, arg_runtime);
7050 if (r < 0)
7051 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7052
7053 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7054 if (r < 0)
7055 return bus_log_parse_error(r);
7056
7057 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7058 printf(" %s\n", link);
7059
7060 if (r < 0)
7061 return bus_log_parse_error(r);
7062
7063 r = sd_bus_message_exit_container(reply);
7064 if (r < 0)
7065 return bus_log_parse_error(r);
7066
7067 return 0;
7068 }
7069
7070 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7071 _cleanup_strv_free_ char **names = NULL;
7072 bool enabled;
7073 char **name;
7074 int r;
7075
7076 r = mangle_names(strv_skip(argv, 1), &names);
7077 if (r < 0)
7078 return r;
7079
7080 r = enable_sysv_units(argv[0], names);
7081 if (r < 0)
7082 return r;
7083
7084 enabled = r > 0;
7085
7086 if (install_client_side()) {
7087 STRV_FOREACH(name, names) {
7088 UnitFileState state;
7089
7090 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7091 if (r < 0)
7092 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7093
7094 if (IN_SET(state,
7095 UNIT_FILE_ENABLED,
7096 UNIT_FILE_ENABLED_RUNTIME,
7097 UNIT_FILE_STATIC,
7098 UNIT_FILE_INDIRECT,
7099 UNIT_FILE_GENERATED))
7100 enabled = true;
7101
7102 if (!arg_quiet) {
7103 puts(unit_file_state_to_string(state));
7104 if (arg_full) {
7105 r = show_installation_targets_client_side(*name);
7106 if (r < 0)
7107 return r;
7108 }
7109 }
7110 }
7111
7112 r = 0;
7113 } else {
7114 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7115 sd_bus *bus;
7116
7117 r = acquire_bus(BUS_MANAGER, &bus);
7118 if (r < 0)
7119 return r;
7120
7121 STRV_FOREACH(name, names) {
7122 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7123 const char *s;
7124
7125 r = sd_bus_call_method(
7126 bus,
7127 "org.freedesktop.systemd1",
7128 "/org/freedesktop/systemd1",
7129 "org.freedesktop.systemd1.Manager",
7130 "GetUnitFileState",
7131 &error,
7132 &reply,
7133 "s", *name);
7134 if (r < 0)
7135 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7136
7137 r = sd_bus_message_read(reply, "s", &s);
7138 if (r < 0)
7139 return bus_log_parse_error(r);
7140
7141 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7142 enabled = true;
7143
7144 if (!arg_quiet) {
7145 puts(s);
7146 if (arg_full) {
7147 r = show_installation_targets(bus, *name);
7148 if (r < 0)
7149 return r;
7150 }
7151 }
7152 }
7153 }
7154
7155 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7156 }
7157
7158 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7159 char **state = userdata;
7160 int r;
7161
7162 assert(state);
7163
7164 r = sd_bus_get_property_string(
7165 sd_bus_message_get_bus(m),
7166 "org.freedesktop.systemd1",
7167 "/org/freedesktop/systemd1",
7168 "org.freedesktop.systemd1.Manager",
7169 "SystemState",
7170 NULL,
7171 state);
7172
7173 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7174 return 0;
7175 }
7176
7177 static int is_system_running(int argc, char *argv[], void *userdata) {
7178 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7179 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7180 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7181 _cleanup_free_ char *state = NULL;
7182 sd_bus *bus;
7183 int r;
7184
7185 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7186 if (!arg_quiet)
7187 puts("offline");
7188 return EXIT_FAILURE;
7189 }
7190
7191 r = acquire_bus(BUS_MANAGER, &bus);
7192 if (r < 0)
7193 return r;
7194
7195 if (arg_wait) {
7196 r = sd_event_default(&event);
7197 if (r >= 0)
7198 r = sd_bus_attach_event(bus, event, 0);
7199 if (r >= 0)
7200 r = sd_bus_match_signal_async(
7201 bus,
7202 &slot_startup_finished,
7203 "org.freedesktop.systemd1",
7204 "/org/freedesktop/systemd1",
7205 "org.freedesktop.systemd1.Manager",
7206 "StartupFinished",
7207 match_startup_finished, NULL, &state);
7208 if (r < 0) {
7209 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7210 arg_wait = false;
7211 }
7212 }
7213
7214 r = sd_bus_get_property_string(
7215 bus,
7216 "org.freedesktop.systemd1",
7217 "/org/freedesktop/systemd1",
7218 "org.freedesktop.systemd1.Manager",
7219 "SystemState",
7220 &error,
7221 &state);
7222 if (r < 0) {
7223 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7224
7225 if (!arg_quiet)
7226 puts("unknown");
7227 return EXIT_FAILURE;
7228 }
7229
7230 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7231 r = sd_event_loop(event);
7232 if (r < 0) {
7233 log_warning_errno(r, "Failed to get property from event loop: %m");
7234 if (!arg_quiet)
7235 puts("unknown");
7236 return EXIT_FAILURE;
7237 }
7238 }
7239
7240 if (!arg_quiet)
7241 puts(state);
7242
7243 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7244 }
7245
7246 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7247 _cleanup_free_ char *t = NULL;
7248 int r;
7249
7250 assert(new_path);
7251 assert(original_path);
7252 assert(ret_tmp_fn);
7253
7254 r = tempfn_random(new_path, NULL, &t);
7255 if (r < 0)
7256 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7257
7258 r = mkdir_parents(new_path, 0755);
7259 if (r < 0)
7260 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7261
7262 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7263 if (r == -ENOENT) {
7264
7265 r = touch(t);
7266 if (r < 0)
7267 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7268
7269 } else if (r < 0)
7270 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7271
7272 *ret_tmp_fn = TAKE_PTR(t);
7273
7274 return 0;
7275 }
7276
7277 static int get_file_to_edit(
7278 const LookupPaths *paths,
7279 const char *name,
7280 char **ret_path) {
7281
7282 _cleanup_free_ char *path = NULL, *run = NULL;
7283
7284 assert(name);
7285 assert(ret_path);
7286
7287 path = path_join(paths->persistent_config, name);
7288 if (!path)
7289 return log_oom();
7290
7291 if (arg_runtime) {
7292 run = path_join(paths->runtime_config, name);
7293 if (!run)
7294 return log_oom();
7295 }
7296
7297 if (arg_runtime) {
7298 if (access(path, F_OK) >= 0)
7299 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7300 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7301 run, path);
7302
7303 *ret_path = TAKE_PTR(run);
7304 } else
7305 *ret_path = TAKE_PTR(path);
7306
7307 return 0;
7308 }
7309
7310 static int unit_file_create_new(
7311 const LookupPaths *paths,
7312 const char *unit_name,
7313 const char *suffix,
7314 char **ret_new_path,
7315 char **ret_tmp_path) {
7316
7317 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7318 const char *ending;
7319 int r;
7320
7321 assert(unit_name);
7322 assert(ret_new_path);
7323 assert(ret_tmp_path);
7324
7325 ending = strjoina(unit_name, suffix);
7326 r = get_file_to_edit(paths, ending, &new_path);
7327 if (r < 0)
7328 return r;
7329
7330 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7331 if (r < 0)
7332 return r;
7333
7334 *ret_new_path = TAKE_PTR(new_path);
7335 *ret_tmp_path = TAKE_PTR(tmp_path);
7336
7337 return 0;
7338 }
7339
7340 static int unit_file_create_copy(
7341 const LookupPaths *paths,
7342 const char *unit_name,
7343 const char *fragment_path,
7344 char **ret_new_path,
7345 char **ret_tmp_path) {
7346
7347 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7348 int r;
7349
7350 assert(fragment_path);
7351 assert(unit_name);
7352 assert(ret_new_path);
7353 assert(ret_tmp_path);
7354
7355 r = get_file_to_edit(paths, unit_name, &new_path);
7356 if (r < 0)
7357 return r;
7358
7359 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7360 char response;
7361
7362 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7363 if (r < 0)
7364 return r;
7365 if (response != 'y')
7366 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7367 }
7368
7369 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7370 if (r < 0)
7371 return r;
7372
7373 *ret_new_path = TAKE_PTR(new_path);
7374 *ret_tmp_path = TAKE_PTR(tmp_path);
7375
7376 return 0;
7377 }
7378
7379 static int run_editor(char **paths) {
7380 int r;
7381
7382 assert(paths);
7383
7384 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7385 if (r < 0)
7386 return r;
7387 if (r == 0) {
7388 char **editor_args = NULL, **tmp_path, **original_path;
7389 size_t n_editor_args = 0, i = 1, argc;
7390 const char **args, *editor, *p;
7391
7392 argc = strv_length(paths)/2 + 1;
7393
7394 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7395 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7396 * we try to execute well known editors
7397 */
7398 editor = getenv("SYSTEMD_EDITOR");
7399 if (!editor)
7400 editor = getenv("EDITOR");
7401 if (!editor)
7402 editor = getenv("VISUAL");
7403
7404 if (!isempty(editor)) {
7405 editor_args = strv_split(editor, WHITESPACE);
7406 if (!editor_args) {
7407 (void) log_oom();
7408 _exit(EXIT_FAILURE);
7409 }
7410 n_editor_args = strv_length(editor_args);
7411 argc += n_editor_args - 1;
7412 }
7413
7414 args = newa(const char*, argc + 1);
7415
7416 if (n_editor_args > 0) {
7417 args[0] = editor_args[0];
7418 for (; i < n_editor_args; i++)
7419 args[i] = editor_args[i];
7420 }
7421
7422 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7423 args[i++] = *tmp_path;
7424 args[i] = NULL;
7425
7426 if (n_editor_args > 0)
7427 execvp(args[0], (char* const*) args);
7428
7429 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7430 args[0] = p;
7431 execvp(p, (char* const*) args);
7432 /* We do not fail if the editor doesn't exist
7433 * because we want to try each one of them before
7434 * failing.
7435 */
7436 if (errno != ENOENT) {
7437 log_error_errno(errno, "Failed to execute %s: %m", editor);
7438 _exit(EXIT_FAILURE);
7439 }
7440 }
7441
7442 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7443 _exit(EXIT_FAILURE);
7444 }
7445
7446 return 0;
7447 }
7448
7449 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7450 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7451 char **name;
7452 int r;
7453
7454 assert(names);
7455 assert(paths);
7456
7457 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7458 if (r < 0)
7459 return r;
7460
7461 STRV_FOREACH(name, names) {
7462 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7463 const char *unit_name;
7464
7465 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7466 if (r == -EKEYREJECTED) {
7467 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7468 * file path. In that case, find the file client side. */
7469 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7470 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7471 }
7472 if (r == -ERFKILL)
7473 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7474 if (r < 0)
7475 return r;
7476
7477 if (r == 0) {
7478 assert(!path);
7479
7480 if (!arg_force) {
7481 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7482 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7483 arg_scope == UNIT_FILE_USER ? " --user" : "",
7484 *name);
7485 return -ENOENT;
7486 }
7487
7488 /* Create a new unit from scratch */
7489 unit_name = *name;
7490 r = unit_file_create_new(&lp, unit_name,
7491 arg_full ? NULL : ".d/override.conf",
7492 &new_path, &tmp_path);
7493 } else {
7494 assert(path);
7495
7496 unit_name = basename(path);
7497 /* We follow unit aliases, but we need to propagate the instance */
7498 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7499 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7500 _cleanup_free_ char *instance = NULL;
7501
7502 r = unit_name_to_instance(*name, &instance);
7503 if (r < 0)
7504 return r;
7505
7506 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7507 if (r < 0)
7508 return r;
7509
7510 unit_name = tmp_name;
7511 }
7512
7513 if (arg_full)
7514 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7515 else
7516 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7517 }
7518 if (r < 0)
7519 return r;
7520
7521 r = strv_push_pair(paths, new_path, tmp_path);
7522 if (r < 0)
7523 return log_oom();
7524
7525 new_path = tmp_path = NULL;
7526 }
7527
7528 return 0;
7529 }
7530
7531 static int edit(int argc, char *argv[], void *userdata) {
7532 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7533 _cleanup_strv_free_ char **names = NULL;
7534 _cleanup_strv_free_ char **paths = NULL;
7535 char **original, **tmp;
7536 sd_bus *bus;
7537 int r;
7538
7539 if (!on_tty())
7540 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7541
7542 if (arg_transport != BUS_TRANSPORT_LOCAL)
7543 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7544
7545 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7546 if (r < 0)
7547 return log_error_errno(r, "Failed to determine unit paths: %m");
7548
7549 r = acquire_bus(BUS_MANAGER, &bus);
7550 if (r < 0)
7551 return r;
7552
7553 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7554 if (r < 0)
7555 return log_error_errno(r, "Failed to expand names: %m");
7556
7557 STRV_FOREACH(tmp, names) {
7558 r = unit_is_masked(bus, &lp, *tmp);
7559 if (r < 0)
7560 return r;
7561 if (r > 0)
7562 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7563 }
7564
7565 r = find_paths_to_edit(bus, names, &paths);
7566 if (r < 0)
7567 return r;
7568
7569 if (strv_isempty(paths))
7570 return -ENOENT;
7571
7572 r = run_editor(paths);
7573 if (r < 0)
7574 goto end;
7575
7576 STRV_FOREACH_PAIR(original, tmp, paths) {
7577 /* If the temporary file is empty we ignore it.
7578 * This allows the user to cancel the modification.
7579 */
7580 if (null_or_empty_path(*tmp)) {
7581 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7582 continue;
7583 }
7584
7585 r = rename(*tmp, *original);
7586 if (r < 0) {
7587 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7588 goto end;
7589 }
7590 }
7591
7592 r = 0;
7593
7594 if (!arg_no_reload && !install_client_side())
7595 r = daemon_reload(argc, argv, userdata);
7596
7597 end:
7598 STRV_FOREACH_PAIR(original, tmp, paths) {
7599 (void) unlink(*tmp);
7600
7601 /* Removing empty dropin dirs */
7602 if (!arg_full) {
7603 _cleanup_free_ char *dir;
7604
7605 dir = dirname_malloc(*original);
7606 if (!dir)
7607 return log_oom();
7608
7609 /* no need to check if the dir is empty, rmdir
7610 * does nothing if it is not the case.
7611 */
7612 (void) rmdir(dir);
7613 }
7614 }
7615
7616 return r;
7617 }
7618
7619 static int systemctl_help(void) {
7620 _cleanup_free_ char *link = NULL;
7621 int r;
7622
7623 (void) pager_open(arg_pager_flags);
7624
7625 r = terminal_urlify_man("systemctl", "1", &link);
7626 if (r < 0)
7627 return log_oom();
7628
7629 printf("%1$s [OPTIONS...] {COMMAND} ...\n\n"
7630 "Query or send control commands to the systemd manager.\n\n"
7631 " -h --help Show this help\n"
7632 " --version Show package version\n"
7633 " --system Connect to system manager\n"
7634 " --user Connect to user service manager\n"
7635 " -H --host=[USER@]HOST\n"
7636 " Operate on remote host\n"
7637 " -M --machine=CONTAINER\n"
7638 " Operate on local container\n"
7639 " -t --type=TYPE List units of a particular type\n"
7640 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7641 " --failed Shorcut for --state=failed\n"
7642 " -p --property=NAME Show only properties by this name\n"
7643 " -a --all Show all properties/all units currently in memory,\n"
7644 " including dead/empty ones. To list all units installed on\n"
7645 " the system, use the 'list-unit-files' command instead.\n"
7646 " -l --full Don't ellipsize unit names on output\n"
7647 " -r --recursive Show unit list of host and local containers\n"
7648 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7649 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7650 " queueing a new job\n"
7651 " -T --show-transaction\n"
7652 " When enqueuing a unit job, show full transaction\n"
7653 " --show-types When showing sockets, explicitly show their type\n"
7654 " --value When showing properties, only print the value\n"
7655 " -i --ignore-inhibitors\n"
7656 " When shutting down or sleeping, ignore inhibitors\n"
7657 " --kill-who=WHO Who to send signal to\n"
7658 " -s --signal=SIGNAL Which signal to send\n"
7659 " --what=RESOURCES Which types of resources to remove\n"
7660 " --now Start or stop unit in addition to enabling or disabling it\n"
7661 " --dry-run Only print what would be done\n"
7662 " -q --quiet Suppress output\n"
7663 " --wait For (re)start, wait until service stopped again\n"
7664 " For is-system-running, wait until startup is completed\n"
7665 " --no-block Do not wait until operation finished\n"
7666 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7667 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7668 " --no-legend Do not print a legend (column headers and hints)\n"
7669 " --no-pager Do not pipe output into a pager\n"
7670 " --no-ask-password\n"
7671 " Do not ask for system passwords\n"
7672 " --global Enable/disable/mask unit files globally\n"
7673 " --runtime Enable/disable/mask unit files temporarily until next\n"
7674 " reboot\n"
7675 " -f --force When enabling unit files, override existing symlinks\n"
7676 " When shutting down, execute action immediately\n"
7677 " --preset-mode= Apply only enable, only disable, or all presets\n"
7678 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7679 " directory\n"
7680 " -n --lines=INTEGER Number of journal entries to show\n"
7681 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7682 " short-iso, short-iso-precise, short-full,\n"
7683 " short-monotonic, short-unix,\n"
7684 " verbose, export, json, json-pretty, json-sse, cat)\n"
7685 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7686 " --boot-loader-menu=TIME\n"
7687 " Boot into boot loader menu on next boot\n"
7688 " --boot-loader-entry=NAME\n"
7689 " Boot into a specific boot loader entry on next boot\n"
7690 " --plain Print unit dependencies as a list instead of a tree\n\n"
7691 "%3$sUnit Commands:%4$s\n"
7692 " list-units [PATTERN...] List units currently in memory\n"
7693 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7694 " ordered by address\n"
7695 " list-timers [PATTERN...] List timer units currently in memory,\n"
7696 " ordered by next elapse\n"
7697 " start UNIT... Start (activate) one or more units\n"
7698 " stop UNIT... Stop (deactivate) one or more units\n"
7699 " reload UNIT... Reload one or more units\n"
7700 " restart UNIT... Start or restart one or more units\n"
7701 " try-restart UNIT... Restart one or more units if active\n"
7702 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7703 " otherwise start or restart\n"
7704 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7705 " if supported, otherwise restart\n"
7706 " isolate UNIT Start one unit and stop all others\n"
7707 " kill UNIT... Send signal to processes of a unit\n"
7708 " clean UNIT... Clean runtime, cache, state, logs or\n"
7709 " or configuration of unit\n"
7710 " is-active PATTERN... Check whether units are active\n"
7711 " is-failed PATTERN... Check whether units are failed\n"
7712 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7713 " show [PATTERN...|JOB...] Show properties of one or more\n"
7714 " units/jobs or the manager\n"
7715 " cat PATTERN... Show files and drop-ins of specified units\n"
7716 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7717 " help PATTERN...|PID... Show manual for one or more units\n"
7718 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7719 " units\n"
7720 " list-dependencies [UNIT] Recursively show units which are required\n"
7721 " or wanted by this unit or by which this\n"
7722 " unit is required or wanted\n\n"
7723 "%3$sUnit File Commands:%4$s\n"
7724 " list-unit-files [PATTERN...] List installed unit files\n"
7725 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7726 " disable UNIT... Disable one or more unit files\n"
7727 " reenable UNIT... Reenable one or more unit files\n"
7728 " preset UNIT... Enable/disable one or more unit files\n"
7729 " based on preset configuration\n"
7730 " preset-all Enable/disable all unit files based on\n"
7731 " preset configuration\n"
7732 " is-enabled UNIT... Check whether unit files are enabled\n"
7733 " mask UNIT... Mask one or more units\n"
7734 " unmask UNIT... Unmask one or more units\n"
7735 " link PATH... Link one or more units files into\n"
7736 " the search path\n"
7737 " revert UNIT... Revert one or more unit files to vendor\n"
7738 " version\n"
7739 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7740 " on specified one or more units\n"
7741 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7742 " on specified one or more units\n"
7743 " edit UNIT... Edit one or more unit files\n"
7744 " get-default Get the name of the default target\n"
7745 " set-default TARGET Set the default target\n\n"
7746 "%3$sMachine Commands:%4$s\n"
7747 " list-machines [PATTERN...] List local containers and host\n\n"
7748 "%3$sJob Commands:%4$s\n"
7749 " list-jobs [PATTERN...] List jobs\n"
7750 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7751 "%3$sEnvironment Commands:%4$s\n"
7752 " show-environment Dump environment\n"
7753 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7754 " unset-environment VARIABLE... Unset one or more environment variables\n"
7755 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7756 "%3$sManager Lifecycle Commands:%4$s\n"
7757 " daemon-reload Reload systemd manager configuration\n"
7758 " daemon-reexec Reexecute systemd manager\n\n"
7759 "%3$sSystem Commands:%4$s\n"
7760 " is-system-running Check whether system is fully running\n"
7761 " default Enter system default mode\n"
7762 " rescue Enter system rescue mode\n"
7763 " emergency Enter system emergency mode\n"
7764 " halt Shut down and halt the system\n"
7765 " poweroff Shut down and power-off the system\n"
7766 " reboot [ARG] Shut down and reboot the system\n"
7767 " kexec Shut down and reboot the system with kexec\n"
7768 " exit [EXIT_CODE] Request user instance or container exit\n"
7769 " switch-root ROOT [INIT] Change to a different root file system\n"
7770 " suspend Suspend the system\n"
7771 " hibernate Hibernate the system\n"
7772 " hybrid-sleep Hibernate and suspend the system\n"
7773 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7774 " time and put it into hibernate\n"
7775 "\nSee the %2$s for details.\n"
7776 , program_invocation_short_name
7777 , link
7778 , ansi_underline(), ansi_normal()
7779 );
7780
7781 return 0;
7782 }
7783
7784 static int halt_help(void) {
7785 _cleanup_free_ char *link = NULL;
7786 int r;
7787
7788 r = terminal_urlify_man("halt", "8", &link);
7789 if (r < 0)
7790 return log_oom();
7791
7792 printf("%s [OPTIONS...]%s\n\n"
7793 "%s the system.\n\n"
7794 " --help Show this help\n"
7795 " --halt Halt the machine\n"
7796 " -p --poweroff Switch off the machine\n"
7797 " --reboot Reboot the machine\n"
7798 " -f --force Force immediate halt/power-off/reboot\n"
7799 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7800 " -d --no-wtmp Don't write wtmp record\n"
7801 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7802 "\nSee the %s for details.\n"
7803 , program_invocation_short_name
7804 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7805 arg_action == ACTION_REBOOT ? "Reboot" :
7806 arg_action == ACTION_POWEROFF ? "Power off" :
7807 "Halt"
7808 , link
7809 );
7810
7811 return 0;
7812 }
7813
7814 static int shutdown_help(void) {
7815 _cleanup_free_ char *link = NULL;
7816 int r;
7817
7818 r = terminal_urlify_man("shutdown", "8", &link);
7819 if (r < 0)
7820 return log_oom();
7821
7822 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7823 "Shut down the system.\n\n"
7824 " --help Show this help\n"
7825 " -H --halt Halt the machine\n"
7826 " -P --poweroff Power-off the machine\n"
7827 " -r --reboot Reboot the machine\n"
7828 " -h Equivalent to --poweroff, overridden by --halt\n"
7829 " -k Don't halt/power-off/reboot, just send warnings\n"
7830 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7831 " -c Cancel a pending shutdown\n"
7832 "\nSee the %s for details.\n"
7833 , program_invocation_short_name
7834 , link
7835 );
7836
7837 return 0;
7838 }
7839
7840 static int telinit_help(void) {
7841 _cleanup_free_ char *link = NULL;
7842 int r;
7843
7844 r = terminal_urlify_man("telinit", "8", &link);
7845 if (r < 0)
7846 return log_oom();
7847
7848 printf("%s [OPTIONS...] {COMMAND}\n\n"
7849 "Send control commands to the init daemon.\n\n"
7850 " --help Show this help\n"
7851 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7852 "Commands:\n"
7853 " 0 Power-off the machine\n"
7854 " 6 Reboot the machine\n"
7855 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7856 " 1, s, S Enter rescue mode\n"
7857 " q, Q Reload init daemon configuration\n"
7858 " u, U Reexecute init daemon\n"
7859 "\nSee the %s for details.\n"
7860 , program_invocation_short_name
7861 , link
7862 );
7863
7864 return 0;
7865 }
7866
7867 static int runlevel_help(void) {
7868 _cleanup_free_ char *link = NULL;
7869 int r;
7870
7871 r = terminal_urlify_man("runlevel", "8", &link);
7872 if (r < 0)
7873 return log_oom();
7874
7875 printf("%s [OPTIONS...]\n\n"
7876 "Prints the previous and current runlevel of the init system.\n\n"
7877 " --help Show this help\n"
7878 "\nSee the %s for details.\n"
7879 , program_invocation_short_name
7880 , link
7881 );
7882
7883 return 0;
7884 }
7885
7886 static void help_types(void) {
7887 if (!arg_no_legend)
7888 puts("Available unit types:");
7889
7890 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7891 }
7892
7893 static void help_states(void) {
7894 if (!arg_no_legend)
7895 puts("Available unit load states:");
7896 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7897
7898 if (!arg_no_legend)
7899 puts("\nAvailable unit active states:");
7900 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7901
7902 if (!arg_no_legend)
7903 puts("\nAvailable automount unit substates:");
7904 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7905
7906 if (!arg_no_legend)
7907 puts("\nAvailable device unit substates:");
7908 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7909
7910 if (!arg_no_legend)
7911 puts("\nAvailable mount unit substates:");
7912 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7913
7914 if (!arg_no_legend)
7915 puts("\nAvailable path unit substates:");
7916 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7917
7918 if (!arg_no_legend)
7919 puts("\nAvailable scope unit substates:");
7920 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7921
7922 if (!arg_no_legend)
7923 puts("\nAvailable service unit substates:");
7924 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7925
7926 if (!arg_no_legend)
7927 puts("\nAvailable slice unit substates:");
7928 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7929
7930 if (!arg_no_legend)
7931 puts("\nAvailable socket unit substates:");
7932 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7933
7934 if (!arg_no_legend)
7935 puts("\nAvailable swap unit substates:");
7936 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7937
7938 if (!arg_no_legend)
7939 puts("\nAvailable target unit substates:");
7940 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7941
7942 if (!arg_no_legend)
7943 puts("\nAvailable timer unit substates:");
7944 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7945 }
7946
7947 static int help_boot_loader_entry(void) {
7948 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7949 _cleanup_free_ char **l = NULL;
7950 sd_bus *bus;
7951 char **i;
7952 int r;
7953
7954 r = acquire_bus(BUS_FULL, &bus);
7955 if (r < 0)
7956 return r;
7957
7958 r = sd_bus_get_property_strv(
7959 bus,
7960 "org.freedesktop.login1",
7961 "/org/freedesktop/login1",
7962 "org.freedesktop.login1.Manager",
7963 "BootLoaderEntries",
7964 &error,
7965 &l);
7966 if (r < 0)
7967 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
7968
7969 if (strv_isempty(l))
7970 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
7971
7972 STRV_FOREACH(i, l)
7973 puts(*i);
7974
7975 return 0;
7976 }
7977
7978 static int systemctl_parse_argv(int argc, char *argv[]) {
7979 enum {
7980 ARG_FAIL = 0x100,
7981 ARG_REVERSE,
7982 ARG_AFTER,
7983 ARG_BEFORE,
7984 ARG_DRY_RUN,
7985 ARG_SHOW_TYPES,
7986 ARG_IRREVERSIBLE,
7987 ARG_IGNORE_DEPENDENCIES,
7988 ARG_VALUE,
7989 ARG_VERSION,
7990 ARG_USER,
7991 ARG_SYSTEM,
7992 ARG_GLOBAL,
7993 ARG_NO_BLOCK,
7994 ARG_NO_LEGEND,
7995 ARG_NO_PAGER,
7996 ARG_NO_WALL,
7997 ARG_ROOT,
7998 ARG_NO_RELOAD,
7999 ARG_KILL_WHO,
8000 ARG_NO_ASK_PASSWORD,
8001 ARG_FAILED,
8002 ARG_RUNTIME,
8003 ARG_PLAIN,
8004 ARG_STATE,
8005 ARG_JOB_MODE,
8006 ARG_PRESET_MODE,
8007 ARG_FIRMWARE_SETUP,
8008 ARG_BOOT_LOADER_MENU,
8009 ARG_BOOT_LOADER_ENTRY,
8010 ARG_NOW,
8011 ARG_MESSAGE,
8012 ARG_WAIT,
8013 ARG_WHAT,
8014 };
8015
8016 static const struct option options[] = {
8017 { "help", no_argument, NULL, 'h' },
8018 { "version", no_argument, NULL, ARG_VERSION },
8019 { "type", required_argument, NULL, 't' },
8020 { "property", required_argument, NULL, 'p' },
8021 { "all", no_argument, NULL, 'a' },
8022 { "reverse", no_argument, NULL, ARG_REVERSE },
8023 { "after", no_argument, NULL, ARG_AFTER },
8024 { "before", no_argument, NULL, ARG_BEFORE },
8025 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8026 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8027 { "full", no_argument, NULL, 'l' },
8028 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8029 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8030 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8031 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8032 { "ignore-inhibitors", no_argument, NULL, 'i' },
8033 { "value", no_argument, NULL, ARG_VALUE },
8034 { "user", no_argument, NULL, ARG_USER },
8035 { "system", no_argument, NULL, ARG_SYSTEM },
8036 { "global", no_argument, NULL, ARG_GLOBAL },
8037 { "wait", no_argument, NULL, ARG_WAIT },
8038 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8039 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8040 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8041 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8042 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8043 { "quiet", no_argument, NULL, 'q' },
8044 { "root", required_argument, NULL, ARG_ROOT },
8045 { "force", no_argument, NULL, 'f' },
8046 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8047 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8048 { "signal", required_argument, NULL, 's' },
8049 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8050 { "host", required_argument, NULL, 'H' },
8051 { "machine", required_argument, NULL, 'M' },
8052 { "runtime", no_argument, NULL, ARG_RUNTIME },
8053 { "lines", required_argument, NULL, 'n' },
8054 { "output", required_argument, NULL, 'o' },
8055 { "plain", no_argument, NULL, ARG_PLAIN },
8056 { "state", required_argument, NULL, ARG_STATE },
8057 { "recursive", no_argument, NULL, 'r' },
8058 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8059 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8060 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8061 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8062 { "now", no_argument, NULL, ARG_NOW },
8063 { "message", required_argument, NULL, ARG_MESSAGE },
8064 { "show-transaction", no_argument, NULL, 'T' },
8065 { "what", required_argument, NULL, ARG_WHAT },
8066 {}
8067 };
8068
8069 int c, r;
8070
8071 assert(argc >= 0);
8072 assert(argv);
8073
8074 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8075 arg_ask_password = true;
8076
8077 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8078
8079 switch (c) {
8080
8081 case 'h':
8082 return systemctl_help();
8083
8084 case ARG_VERSION:
8085 return version();
8086
8087 case 't': {
8088 const char *p;
8089
8090 if (isempty(optarg))
8091 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8092 "--type= requires arguments.");
8093
8094 for (p = optarg;;) {
8095 _cleanup_free_ char *type = NULL;
8096
8097 r = extract_first_word(&p, &type, ",", 0);
8098 if (r < 0)
8099 return log_error_errno(r, "Failed to parse type: %s", optarg);
8100 if (r == 0)
8101 break;
8102
8103 if (streq(type, "help")) {
8104 help_types();
8105 return 0;
8106 }
8107
8108 if (unit_type_from_string(type) >= 0) {
8109 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8110 return log_oom();
8111 continue;
8112 }
8113
8114 /* It's much nicer to use --state= for
8115 * load states, but let's support this
8116 * in --types= too for compatibility
8117 * with old versions */
8118 if (unit_load_state_from_string(type) >= 0) {
8119 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8120 return log_oom();
8121 continue;
8122 }
8123
8124 log_error("Unknown unit type or load state '%s'.", type);
8125 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8126 "Use -t help to see a list of allowed values.");
8127 }
8128
8129 break;
8130 }
8131
8132 case 'p':
8133 /* Make sure that if the empty property list was specified, we won't show any
8134 properties. */
8135 if (isempty(optarg) && !arg_properties) {
8136 arg_properties = new0(char*, 1);
8137 if (!arg_properties)
8138 return log_oom();
8139 } else {
8140 const char *p;
8141
8142 for (p = optarg;;) {
8143 _cleanup_free_ char *prop = NULL;
8144
8145 r = extract_first_word(&p, &prop, ",", 0);
8146 if (r < 0)
8147 return log_error_errno(r, "Failed to parse property: %s", optarg);
8148 if (r == 0)
8149 break;
8150
8151 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8152 return log_oom();
8153 }
8154 }
8155
8156 /* If the user asked for a particular
8157 * property, show it to him, even if it is
8158 * empty. */
8159 arg_all = true;
8160
8161 break;
8162
8163 case 'a':
8164 arg_all = true;
8165 break;
8166
8167 case ARG_REVERSE:
8168 arg_dependency = DEPENDENCY_REVERSE;
8169 break;
8170
8171 case ARG_AFTER:
8172 arg_dependency = DEPENDENCY_AFTER;
8173 arg_jobs_after = true;
8174 break;
8175
8176 case ARG_BEFORE:
8177 arg_dependency = DEPENDENCY_BEFORE;
8178 arg_jobs_before = true;
8179 break;
8180
8181 case ARG_SHOW_TYPES:
8182 arg_show_types = true;
8183 break;
8184
8185 case ARG_VALUE:
8186 arg_value = true;
8187 break;
8188
8189 case ARG_JOB_MODE:
8190 arg_job_mode = optarg;
8191 break;
8192
8193 case ARG_FAIL:
8194 arg_job_mode = "fail";
8195 break;
8196
8197 case ARG_IRREVERSIBLE:
8198 arg_job_mode = "replace-irreversibly";
8199 break;
8200
8201 case ARG_IGNORE_DEPENDENCIES:
8202 arg_job_mode = "ignore-dependencies";
8203 break;
8204
8205 case ARG_USER:
8206 arg_scope = UNIT_FILE_USER;
8207 break;
8208
8209 case ARG_SYSTEM:
8210 arg_scope = UNIT_FILE_SYSTEM;
8211 break;
8212
8213 case ARG_GLOBAL:
8214 arg_scope = UNIT_FILE_GLOBAL;
8215 break;
8216
8217 case ARG_WAIT:
8218 arg_wait = true;
8219 break;
8220
8221 case ARG_NO_BLOCK:
8222 arg_no_block = true;
8223 break;
8224
8225 case ARG_NO_LEGEND:
8226 arg_no_legend = true;
8227 break;
8228
8229 case ARG_NO_PAGER:
8230 arg_pager_flags |= PAGER_DISABLE;
8231 break;
8232
8233 case ARG_NO_WALL:
8234 arg_no_wall = true;
8235 break;
8236
8237 case ARG_ROOT:
8238 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8239 if (r < 0)
8240 return r;
8241 break;
8242
8243 case 'l':
8244 arg_full = true;
8245 break;
8246
8247 case ARG_FAILED:
8248 if (strv_extend(&arg_states, "failed") < 0)
8249 return log_oom();
8250
8251 break;
8252
8253 case ARG_DRY_RUN:
8254 arg_dry_run = true;
8255 break;
8256
8257 case 'q':
8258 arg_quiet = true;
8259 break;
8260
8261 case 'f':
8262 arg_force++;
8263 break;
8264
8265 case ARG_NO_RELOAD:
8266 arg_no_reload = true;
8267 break;
8268
8269 case ARG_KILL_WHO:
8270 arg_kill_who = optarg;
8271 break;
8272
8273 case 's':
8274 if (streq(optarg, "help")) {
8275 DUMP_STRING_TABLE(signal, int, _NSIG);
8276 return 0;
8277 }
8278
8279 arg_signal = signal_from_string(optarg);
8280 if (arg_signal < 0)
8281 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8282 "Failed to parse signal string %s.",
8283 optarg);
8284 break;
8285
8286 case ARG_NO_ASK_PASSWORD:
8287 arg_ask_password = false;
8288 break;
8289
8290 case 'H':
8291 arg_transport = BUS_TRANSPORT_REMOTE;
8292 arg_host = optarg;
8293 break;
8294
8295 case 'M':
8296 arg_transport = BUS_TRANSPORT_MACHINE;
8297 arg_host = optarg;
8298 break;
8299
8300 case ARG_RUNTIME:
8301 arg_runtime = true;
8302 break;
8303
8304 case 'n':
8305 if (safe_atou(optarg, &arg_lines) < 0)
8306 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8307 "Failed to parse lines '%s'",
8308 optarg);
8309 break;
8310
8311 case 'o':
8312 if (streq(optarg, "help")) {
8313 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8314 return 0;
8315 }
8316
8317 arg_output = output_mode_from_string(optarg);
8318 if (arg_output < 0)
8319 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8320 "Unknown output '%s'.",
8321 optarg);
8322 break;
8323
8324 case 'i':
8325 arg_ignore_inhibitors = true;
8326 break;
8327
8328 case ARG_PLAIN:
8329 arg_plain = true;
8330 break;
8331
8332 case ARG_FIRMWARE_SETUP:
8333 arg_firmware_setup = true;
8334 break;
8335
8336 case ARG_BOOT_LOADER_MENU:
8337
8338 r = parse_sec(optarg, &arg_boot_loader_menu);
8339 if (r < 0)
8340 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8341
8342 break;
8343
8344 case ARG_BOOT_LOADER_ENTRY:
8345
8346 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8347 r = help_boot_loader_entry();
8348 if (r < 0)
8349 return r;
8350
8351 return 0;
8352 }
8353
8354 arg_boot_loader_entry = empty_to_null(optarg);
8355 break;
8356
8357 case ARG_STATE: {
8358 const char *p;
8359
8360 if (isempty(optarg))
8361 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8362 "--state= requires arguments.");
8363
8364 for (p = optarg;;) {
8365 _cleanup_free_ char *s = NULL;
8366
8367 r = extract_first_word(&p, &s, ",", 0);
8368 if (r < 0)
8369 return log_error_errno(r, "Failed to parse state: %s", optarg);
8370 if (r == 0)
8371 break;
8372
8373 if (streq(s, "help")) {
8374 help_states();
8375 return 0;
8376 }
8377
8378 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8379 return log_oom();
8380 }
8381 break;
8382 }
8383
8384 case 'r':
8385 if (geteuid() != 0)
8386 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8387 "--recursive requires root privileges.");
8388
8389 arg_recursive = true;
8390 break;
8391
8392 case ARG_PRESET_MODE:
8393 if (streq(optarg, "help")) {
8394 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8395 return 0;
8396 }
8397
8398 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8399 if (arg_preset_mode < 0)
8400 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8401 "Failed to parse preset mode: %s.", optarg);
8402
8403 break;
8404
8405 case ARG_NOW:
8406 arg_now = true;
8407 break;
8408
8409 case ARG_MESSAGE:
8410 if (strv_extend(&arg_wall, optarg) < 0)
8411 return log_oom();
8412 break;
8413
8414 case 'T':
8415 arg_show_transaction = true;
8416 break;
8417
8418 case ARG_WHAT: {
8419 const char *p;
8420
8421 if (isempty(optarg))
8422 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8423
8424 for (p = optarg;;) {
8425 _cleanup_free_ char *k = NULL;
8426
8427 r = extract_first_word(&p, &k, ",", 0);
8428 if (r < 0)
8429 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8430 if (r == 0)
8431 break;
8432
8433 if (streq(k, "help")) {
8434 puts("runtime\n"
8435 "state\n"
8436 "cache\n"
8437 "logs\n"
8438 "configuration");
8439 return 0;
8440 }
8441
8442 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8443 if (r < 0)
8444 return log_oom();
8445 }
8446
8447 break;
8448 }
8449
8450 case '.':
8451 /* Output an error mimicking getopt, and print a hint afterwards */
8452 log_error("%s: invalid option -- '.'", program_invocation_name);
8453 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8454 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8455 program_invocation_name, optarg ?: "mount");
8456 _fallthrough_;
8457
8458 case '?':
8459 return -EINVAL;
8460
8461 default:
8462 assert_not_reached("Unhandled option");
8463 }
8464
8465 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8466 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8467 "Cannot access user instance remotely.");
8468
8469 if (arg_wait && arg_no_block)
8470 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8471 "--wait may not be combined with --no-block.");
8472
8473 return 1;
8474 }
8475
8476 static int halt_parse_argv(int argc, char *argv[]) {
8477 enum {
8478 ARG_HELP = 0x100,
8479 ARG_HALT,
8480 ARG_REBOOT,
8481 ARG_NO_WALL
8482 };
8483
8484 static const struct option options[] = {
8485 { "help", no_argument, NULL, ARG_HELP },
8486 { "halt", no_argument, NULL, ARG_HALT },
8487 { "poweroff", no_argument, NULL, 'p' },
8488 { "reboot", no_argument, NULL, ARG_REBOOT },
8489 { "force", no_argument, NULL, 'f' },
8490 { "wtmp-only", no_argument, NULL, 'w' },
8491 { "no-wtmp", no_argument, NULL, 'd' },
8492 { "no-sync", no_argument, NULL, 'n' },
8493 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8494 {}
8495 };
8496
8497 int c, r, runlevel;
8498
8499 assert(argc >= 0);
8500 assert(argv);
8501
8502 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8503 if (IN_SET(runlevel, '0', '6'))
8504 arg_force = 2;
8505
8506 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8507 switch (c) {
8508
8509 case ARG_HELP:
8510 return halt_help();
8511
8512 case ARG_HALT:
8513 arg_action = ACTION_HALT;
8514 break;
8515
8516 case 'p':
8517 if (arg_action != ACTION_REBOOT)
8518 arg_action = ACTION_POWEROFF;
8519 break;
8520
8521 case ARG_REBOOT:
8522 arg_action = ACTION_REBOOT;
8523 break;
8524
8525 case 'f':
8526 arg_force = 2;
8527 break;
8528
8529 case 'w':
8530 arg_dry_run = true;
8531 break;
8532
8533 case 'd':
8534 arg_no_wtmp = true;
8535 break;
8536
8537 case 'n':
8538 arg_no_sync = true;
8539 break;
8540
8541 case ARG_NO_WALL:
8542 arg_no_wall = true;
8543 break;
8544
8545 case 'i':
8546 case 'h':
8547 /* Compatibility nops */
8548 break;
8549
8550 case '?':
8551 return -EINVAL;
8552
8553 default:
8554 assert_not_reached("Unhandled option");
8555 }
8556
8557 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8558 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8559 if (r < 0)
8560 return r;
8561 } else if (optind < argc)
8562 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8563 "Too many arguments.");
8564
8565 return 1;
8566 }
8567
8568 static int shutdown_parse_argv(int argc, char *argv[]) {
8569 enum {
8570 ARG_HELP = 0x100,
8571 ARG_NO_WALL
8572 };
8573
8574 static const struct option options[] = {
8575 { "help", no_argument, NULL, ARG_HELP },
8576 { "halt", no_argument, NULL, 'H' },
8577 { "poweroff", no_argument, NULL, 'P' },
8578 { "reboot", no_argument, NULL, 'r' },
8579 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8580 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8581 {}
8582 };
8583
8584 char **wall = NULL;
8585 int c, r;
8586
8587 assert(argc >= 0);
8588 assert(argv);
8589
8590 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8591 switch (c) {
8592
8593 case ARG_HELP:
8594 return shutdown_help();
8595
8596 case 'H':
8597 arg_action = ACTION_HALT;
8598 break;
8599
8600 case 'P':
8601 arg_action = ACTION_POWEROFF;
8602 break;
8603
8604 case 'r':
8605 if (kexec_loaded())
8606 arg_action = ACTION_KEXEC;
8607 else
8608 arg_action = ACTION_REBOOT;
8609 break;
8610
8611 case 'K':
8612 arg_action = ACTION_KEXEC;
8613 break;
8614
8615 case 'h':
8616 if (arg_action != ACTION_HALT)
8617 arg_action = ACTION_POWEROFF;
8618 break;
8619
8620 case 'k':
8621 arg_dry_run = true;
8622 break;
8623
8624 case ARG_NO_WALL:
8625 arg_no_wall = true;
8626 break;
8627
8628 case 'a':
8629 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8630 case 'f':
8631 case 'F':
8632 /* Compatibility nops */
8633 break;
8634
8635 case 'c':
8636 arg_action = ACTION_CANCEL_SHUTDOWN;
8637 break;
8638
8639 case '?':
8640 return -EINVAL;
8641
8642 default:
8643 assert_not_reached("Unhandled option");
8644 }
8645
8646 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8647 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8648 if (r < 0) {
8649 log_error("Failed to parse time specification: %s", argv[optind]);
8650 return r;
8651 }
8652 } else
8653 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8654
8655 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8656 /* No time argument for shutdown cancel */
8657 wall = argv + optind;
8658 else if (argc > optind + 1)
8659 /* We skip the time argument */
8660 wall = argv + optind + 1;
8661
8662 if (wall) {
8663 arg_wall = strv_copy(wall);
8664 if (!arg_wall)
8665 return log_oom();
8666 }
8667
8668 optind = argc;
8669
8670 return 1;
8671 }
8672
8673 static int telinit_parse_argv(int argc, char *argv[]) {
8674 enum {
8675 ARG_HELP = 0x100,
8676 ARG_NO_WALL
8677 };
8678
8679 static const struct option options[] = {
8680 { "help", no_argument, NULL, ARG_HELP },
8681 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8682 {}
8683 };
8684
8685 static const struct {
8686 char from;
8687 enum action to;
8688 } table[] = {
8689 { '0', ACTION_POWEROFF },
8690 { '6', ACTION_REBOOT },
8691 { '1', ACTION_RESCUE },
8692 { '2', ACTION_RUNLEVEL2 },
8693 { '3', ACTION_RUNLEVEL3 },
8694 { '4', ACTION_RUNLEVEL4 },
8695 { '5', ACTION_RUNLEVEL5 },
8696 { 's', ACTION_RESCUE },
8697 { 'S', ACTION_RESCUE },
8698 { 'q', ACTION_RELOAD },
8699 { 'Q', ACTION_RELOAD },
8700 { 'u', ACTION_REEXEC },
8701 { 'U', ACTION_REEXEC }
8702 };
8703
8704 unsigned i;
8705 int c;
8706
8707 assert(argc >= 0);
8708 assert(argv);
8709
8710 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8711 switch (c) {
8712
8713 case ARG_HELP:
8714 return telinit_help();
8715
8716 case ARG_NO_WALL:
8717 arg_no_wall = true;
8718 break;
8719
8720 case '?':
8721 return -EINVAL;
8722
8723 default:
8724 assert_not_reached("Unhandled option");
8725 }
8726
8727 if (optind >= argc)
8728 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8729 "%s: required argument missing.",
8730 program_invocation_short_name);
8731
8732 if (optind + 1 < argc)
8733 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8734 "Too many arguments.");
8735
8736 if (strlen(argv[optind]) != 1)
8737 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8738 "Expected single character argument.");
8739
8740 for (i = 0; i < ELEMENTSOF(table); i++)
8741 if (table[i].from == argv[optind][0])
8742 break;
8743
8744 if (i >= ELEMENTSOF(table))
8745 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8746 "Unknown command '%s'.", argv[optind]);
8747
8748 arg_action = table[i].to;
8749
8750 optind++;
8751
8752 return 1;
8753 }
8754
8755 static int runlevel_parse_argv(int argc, char *argv[]) {
8756 enum {
8757 ARG_HELP = 0x100,
8758 };
8759
8760 static const struct option options[] = {
8761 { "help", no_argument, NULL, ARG_HELP },
8762 {}
8763 };
8764
8765 int c;
8766
8767 assert(argc >= 0);
8768 assert(argv);
8769
8770 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8771 switch (c) {
8772
8773 case ARG_HELP:
8774 return runlevel_help();
8775
8776 case '?':
8777 return -EINVAL;
8778
8779 default:
8780 assert_not_reached("Unhandled option");
8781 }
8782
8783 if (optind < argc)
8784 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8785 "Too many arguments.");
8786
8787 return 1;
8788 }
8789
8790 static int parse_argv(int argc, char *argv[]) {
8791 assert(argc >= 0);
8792 assert(argv);
8793
8794 if (program_invocation_short_name) {
8795
8796 if (strstr(program_invocation_short_name, "halt")) {
8797 arg_action = ACTION_HALT;
8798 return halt_parse_argv(argc, argv);
8799
8800 } else if (strstr(program_invocation_short_name, "poweroff")) {
8801 arg_action = ACTION_POWEROFF;
8802 return halt_parse_argv(argc, argv);
8803
8804 } else if (strstr(program_invocation_short_name, "reboot")) {
8805 if (kexec_loaded())
8806 arg_action = ACTION_KEXEC;
8807 else
8808 arg_action = ACTION_REBOOT;
8809 return halt_parse_argv(argc, argv);
8810
8811 } else if (strstr(program_invocation_short_name, "shutdown")) {
8812 arg_action = ACTION_POWEROFF;
8813 return shutdown_parse_argv(argc, argv);
8814
8815 } else if (strstr(program_invocation_short_name, "init")) {
8816
8817 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8818 * 1 on SysV.
8819 *
8820 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8821 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8822 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8823 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8824 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8825 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8826 * quick way to match both.
8827 *
8828 * Also see redirect_telinit() in src/core/main.c. */
8829
8830 if (sd_booted() > 0) {
8831 arg_action = _ACTION_INVALID;
8832 return telinit_parse_argv(argc, argv);
8833 } else {
8834 /* Hmm, so some other init system is running, we need to forward this request to
8835 * it. For now we simply guess that it is Upstart. */
8836
8837 (void) rlimit_nofile_safe();
8838 execv(TELINIT, argv);
8839
8840 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8841 "Couldn't find an alternative telinit implementation to spawn.");
8842 }
8843
8844 } else if (strstr(program_invocation_short_name, "runlevel")) {
8845 arg_action = ACTION_RUNLEVEL;
8846 return runlevel_parse_argv(argc, argv);
8847 }
8848 }
8849
8850 arg_action = ACTION_SYSTEMCTL;
8851 return systemctl_parse_argv(argc, argv);
8852 }
8853
8854 #if HAVE_SYSV_COMPAT
8855 _pure_ static int action_to_runlevel(void) {
8856 static const char table[_ACTION_MAX] = {
8857 [ACTION_HALT] = '0',
8858 [ACTION_POWEROFF] = '0',
8859 [ACTION_REBOOT] = '6',
8860 [ACTION_RUNLEVEL2] = '2',
8861 [ACTION_RUNLEVEL3] = '3',
8862 [ACTION_RUNLEVEL4] = '4',
8863 [ACTION_RUNLEVEL5] = '5',
8864 [ACTION_RESCUE] = '1'
8865 };
8866
8867 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8868 return table[arg_action];
8869 }
8870 #endif
8871
8872 static int systemctl_main(int argc, char *argv[]) {
8873 static const Verb verbs[] = {
8874 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8875 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8876 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8877 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8878 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8879 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8880 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8881 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8882 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8883 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8884 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8885 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8886 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8887 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8888 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8889 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8890 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8891 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8892 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8893 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8894 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8895 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8896 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_unit },
8897 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8898 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8899 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8900 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8901 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8902 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8903 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8904 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8905 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8906 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8907 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8908 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8909 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8910 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8911 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8912 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8913 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8914 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8915 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8916 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8917 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8918 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8919 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8920 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8921 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8922 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8923 { "enable", 2, VERB_ANY, 0, enable_unit },
8924 { "disable", 2, VERB_ANY, 0, enable_unit },
8925 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8926 { "reenable", 2, VERB_ANY, 0, enable_unit },
8927 { "preset", 2, VERB_ANY, 0, enable_unit },
8928 { "preset-all", VERB_ANY, 1, 0, preset_all },
8929 { "mask", 2, VERB_ANY, 0, enable_unit },
8930 { "unmask", 2, VERB_ANY, 0, enable_unit },
8931 { "link", 2, VERB_ANY, 0, enable_unit },
8932 { "revert", 2, VERB_ANY, 0, enable_unit },
8933 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8934 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8935 { "set-default", 2, 2, 0, set_default },
8936 { "get-default", VERB_ANY, 1, 0, get_default },
8937 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8938 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8939 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8940 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8941 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8942 {}
8943 };
8944
8945 return dispatch_verb(argc, argv, verbs, NULL);
8946 }
8947
8948 static int reload_with_fallback(void) {
8949 /* First, try systemd via D-Bus. */
8950 if (daemon_reload(0, NULL, NULL) >= 0)
8951 return 0;
8952
8953 /* Nothing else worked, so let's try signals */
8954 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8955
8956 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8957 return log_error_errno(errno, "kill() failed: %m");
8958
8959 return 0;
8960 }
8961
8962 static int start_with_fallback(void) {
8963 /* First, try systemd via D-Bus. */
8964 if (start_unit(0, NULL, NULL) == 0)
8965 return 0;
8966
8967 #if HAVE_SYSV_COMPAT
8968 /* Nothing else worked, so let's try /dev/initctl */
8969 if (talk_initctl(action_to_runlevel()) > 0)
8970 return 0;
8971 #endif
8972
8973 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8974 "Failed to talk to init daemon.");
8975 }
8976
8977 static int halt_now(enum action a) {
8978 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8979 * synced explicitly in advance. */
8980 if (!arg_no_sync && !arg_dry_run)
8981 (void) sync();
8982
8983 /* Make sure C-A-D is handled by the kernel from this point on... */
8984 if (!arg_dry_run)
8985 (void) reboot(RB_ENABLE_CAD);
8986
8987 switch (a) {
8988
8989 case ACTION_HALT:
8990 if (!arg_quiet)
8991 log_info("Halting.");
8992 if (arg_dry_run)
8993 return 0;
8994 (void) reboot(RB_HALT_SYSTEM);
8995 return -errno;
8996
8997 case ACTION_POWEROFF:
8998 if (!arg_quiet)
8999 log_info("Powering off.");
9000 if (arg_dry_run)
9001 return 0;
9002 (void) reboot(RB_POWER_OFF);
9003 return -errno;
9004
9005 case ACTION_KEXEC:
9006 case ACTION_REBOOT:
9007 return reboot_with_parameter(REBOOT_FALLBACK |
9008 (arg_quiet ? 0 : REBOOT_LOG) |
9009 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9010
9011 default:
9012 assert_not_reached("Unknown action.");
9013 }
9014 }
9015
9016 static int logind_schedule_shutdown(void) {
9017
9018 #if ENABLE_LOGIND
9019 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9020 char date[FORMAT_TIMESTAMP_MAX];
9021 const char *action;
9022 sd_bus *bus;
9023 int r;
9024
9025 r = acquire_bus(BUS_FULL, &bus);
9026 if (r < 0)
9027 return r;
9028
9029 switch (arg_action) {
9030 case ACTION_HALT:
9031 action = "halt";
9032 break;
9033 case ACTION_POWEROFF:
9034 action = "poweroff";
9035 break;
9036 case ACTION_KEXEC:
9037 action = "kexec";
9038 break;
9039 case ACTION_EXIT:
9040 action = "exit";
9041 break;
9042 case ACTION_REBOOT:
9043 default:
9044 action = "reboot";
9045 break;
9046 }
9047
9048 if (arg_dry_run)
9049 action = strjoina("dry-", action);
9050
9051 (void) logind_set_wall_message();
9052
9053 r = sd_bus_call_method(
9054 bus,
9055 "org.freedesktop.login1",
9056 "/org/freedesktop/login1",
9057 "org.freedesktop.login1.Manager",
9058 "ScheduleShutdown",
9059 &error,
9060 NULL,
9061 "st",
9062 action,
9063 arg_when);
9064 if (r < 0)
9065 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9066
9067 if (!arg_quiet)
9068 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9069 return 0;
9070 #else
9071 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9072 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9073 #endif
9074 }
9075
9076 static int halt_main(void) {
9077 int r;
9078
9079 r = logind_check_inhibitors(arg_action);
9080 if (r < 0)
9081 return r;
9082
9083 /* Delayed shutdown requested, and was successful */
9084 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9085 return 0;
9086 /* no delay, or logind failed or is not at all available */
9087
9088 if (geteuid() != 0) {
9089 if (arg_dry_run || arg_force > 0) {
9090 (void) must_be_root();
9091 return -EPERM;
9092 }
9093
9094 /* Try logind if we are a normal user and no special
9095 * mode applies. Maybe polkit allows us to shutdown
9096 * the machine. */
9097 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9098 r = logind_reboot(arg_action);
9099 if (r >= 0)
9100 return r;
9101 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9102 /* requested operation is not
9103 * supported on the local system or
9104 * already in progress */
9105 return r;
9106 /* on all other errors, try low-level operation */
9107 }
9108 }
9109
9110 /* In order to minimize the difference between operation with and
9111 * without logind, we explicitly enable non-blocking mode for this,
9112 * as logind's shutdown operations are always non-blocking. */
9113 arg_no_block = true;
9114
9115 if (!arg_dry_run && !arg_force)
9116 return start_with_fallback();
9117
9118 assert(geteuid() == 0);
9119
9120 if (!arg_no_wtmp) {
9121 if (sd_booted() > 0)
9122 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9123 else {
9124 r = utmp_put_shutdown();
9125 if (r < 0)
9126 log_warning_errno(r, "Failed to write utmp record: %m");
9127 }
9128 }
9129
9130 if (arg_dry_run)
9131 return 0;
9132
9133 r = halt_now(arg_action);
9134 return log_error_errno(r, "Failed to reboot: %m");
9135 }
9136
9137 static int runlevel_main(void) {
9138 int r, runlevel, previous;
9139
9140 r = utmp_get_runlevel(&runlevel, &previous);
9141 if (r < 0) {
9142 puts("unknown");
9143 return r;
9144 }
9145
9146 printf("%c %c\n",
9147 previous <= 0 ? 'N' : previous,
9148 runlevel <= 0 ? 'N' : runlevel);
9149
9150 return 0;
9151 }
9152
9153 static int logind_cancel_shutdown(void) {
9154 #if ENABLE_LOGIND
9155 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9156 sd_bus *bus;
9157 int r;
9158
9159 r = acquire_bus(BUS_FULL, &bus);
9160 if (r < 0)
9161 return r;
9162
9163 (void) logind_set_wall_message();
9164
9165 r = sd_bus_call_method(
9166 bus,
9167 "org.freedesktop.login1",
9168 "/org/freedesktop/login1",
9169 "org.freedesktop.login1.Manager",
9170 "CancelScheduledShutdown",
9171 &error,
9172 NULL, NULL);
9173 if (r < 0)
9174 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9175
9176 return 0;
9177 #else
9178 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9179 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9180 #endif
9181 }
9182
9183 static int run(int argc, char *argv[]) {
9184 int r;
9185
9186 setlocale(LC_ALL, "");
9187 log_parse_environment();
9188 log_open();
9189
9190 /* The journal merging logic potentially needs a lot of fds. */
9191 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9192
9193 sigbus_install();
9194
9195 /* Explicitly not on_tty() to avoid setting cached value.
9196 * This becomes relevant for piping output which might be
9197 * ellipsized. */
9198 original_stdout_is_tty = isatty(STDOUT_FILENO);
9199
9200 r = parse_argv(argc, argv);
9201 if (r <= 0)
9202 goto finish;
9203
9204 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9205 if (!arg_quiet)
9206 log_info("Running in chroot, ignoring request.");
9207 r = 0;
9208 goto finish;
9209 }
9210
9211 /* systemctl_main() will print an error message for the bus
9212 * connection, but only if it needs to */
9213
9214 switch (arg_action) {
9215
9216 case ACTION_SYSTEMCTL:
9217 r = systemctl_main(argc, argv);
9218 break;
9219
9220 /* Legacy command aliases set arg_action. They provide some fallbacks,
9221 * e.g. to tell sysvinit to reboot after you have installed systemd
9222 * binaries. */
9223
9224 case ACTION_HALT:
9225 case ACTION_POWEROFF:
9226 case ACTION_REBOOT:
9227 case ACTION_KEXEC:
9228 r = halt_main();
9229 break;
9230
9231 case ACTION_RUNLEVEL2:
9232 case ACTION_RUNLEVEL3:
9233 case ACTION_RUNLEVEL4:
9234 case ACTION_RUNLEVEL5:
9235 case ACTION_RESCUE:
9236 r = start_with_fallback();
9237 break;
9238
9239 case ACTION_RELOAD:
9240 case ACTION_REEXEC:
9241 r = reload_with_fallback();
9242 break;
9243
9244 case ACTION_CANCEL_SHUTDOWN:
9245 r = logind_cancel_shutdown();
9246 break;
9247
9248 case ACTION_RUNLEVEL:
9249 r = runlevel_main();
9250 break;
9251
9252 case ACTION_EXIT:
9253 case ACTION_SUSPEND:
9254 case ACTION_HIBERNATE:
9255 case ACTION_HYBRID_SLEEP:
9256 case ACTION_SUSPEND_THEN_HIBERNATE:
9257 case ACTION_EMERGENCY:
9258 case ACTION_DEFAULT:
9259 /* systemctl verbs with no equivalent in the legacy commands.
9260 * These cannot appear in arg_action. Fall through. */
9261
9262 case _ACTION_INVALID:
9263 default:
9264 assert_not_reached("Unknown action");
9265 }
9266
9267 finish:
9268 release_busses();
9269
9270 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9271 return r;
9272 }
9273
9274 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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