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[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <stdbool.h>
7 #include <stddef.h>
8 #include <stdio.h>
9 #include <sys/mount.h>
10 #include <sys/prctl.h>
11 #include <sys/reboot.h>
12 #include <unistd.h>
13
14 #include "sd-bus.h"
15 #include "sd-daemon.h"
16 #include "sd-event.h"
17 #include "sd-login.h"
18
19 #include "alloc-util.h"
20 #include "bootspec.h"
21 #include "bus-common-errors.h"
22 #include "bus-error.h"
23 #include "bus-message.h"
24 #include "bus-unit-procs.h"
25 #include "bus-unit-util.h"
26 #include "bus-util.h"
27 #include "bus-wait-for-jobs.h"
28 #include "bus-wait-for-units.h"
29 #include "cgroup-show.h"
30 #include "cgroup-util.h"
31 #include "copy.h"
32 #include "cpu-set-util.h"
33 #include "dirent-util.h"
34 #include "dropin.h"
35 #include "efivars.h"
36 #include "env-util.h"
37 #include "escape.h"
38 #include "exec-util.h"
39 #include "exit-status.h"
40 #include "fd-util.h"
41 #include "format-util.h"
42 #include "fs-util.h"
43 #include "glob-util.h"
44 #include "hexdecoct.h"
45 #include "hostname-util.h"
46 #include "in-addr-util.h"
47 #include "initreq.h"
48 #include "install.h"
49 #include "io-util.h"
50 #include "journal-util.h"
51 #include "list.h"
52 #include "locale-util.h"
53 #include "log.h"
54 #include "logs-show.h"
55 #include "macro.h"
56 #include "main-func.h"
57 #include "memory-util.h"
58 #include "mkdir.h"
59 #include "pager.h"
60 #include "parse-util.h"
61 #include "path-lookup.h"
62 #include "path-util.h"
63 #include "pretty-print.h"
64 #include "proc-cmdline.h"
65 #include "process-util.h"
66 #include "reboot-util.h"
67 #include "rlimit-util.h"
68 #include "set.h"
69 #include "sigbus.h"
70 #include "signal-util.h"
71 #include "socket-util.h"
72 #include "sort-util.h"
73 #include "spawn-ask-password-agent.h"
74 #include "spawn-polkit-agent.h"
75 #include "special.h"
76 #include "stat-util.h"
77 #include "string-table.h"
78 #include "strv.h"
79 #include "sysv-compat.h"
80 #include "terminal-util.h"
81 #include "tmpfile-util.h"
82 #include "unit-def.h"
83 #include "unit-file.h"
84 #include "unit-name.h"
85 #include "user-util.h"
86 #include "utf8.h"
87 #include "utmp-wtmp.h"
88 #include "verbs.h"
89 #include "virt.h"
90
91 static char **arg_types = NULL;
92 static char **arg_states = NULL;
93 static char **arg_properties = NULL;
94 static bool arg_all = false;
95 static enum dependency {
96 DEPENDENCY_FORWARD,
97 DEPENDENCY_REVERSE,
98 DEPENDENCY_AFTER,
99 DEPENDENCY_BEFORE,
100 _DEPENDENCY_MAX
101 } arg_dependency = DEPENDENCY_FORWARD;
102 static const char *arg_job_mode = "replace";
103 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
104 static bool arg_wait = false;
105 static bool arg_no_block = false;
106 static bool arg_no_legend = false;
107 static PagerFlags arg_pager_flags = 0;
108 static bool arg_no_wtmp = false;
109 static bool arg_no_sync = false;
110 static bool arg_no_wall = false;
111 static bool arg_no_reload = false;
112 static bool arg_value = false;
113 static bool arg_show_types = false;
114 static bool arg_ignore_inhibitors = false;
115 static bool arg_dry_run = false;
116 static bool arg_quiet = false;
117 static bool arg_full = false;
118 static bool arg_recursive = false;
119 static bool arg_show_transaction = false;
120 static int arg_force = 0;
121 static bool arg_ask_password = false;
122 static bool arg_runtime = false;
123 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
124 static char **arg_wall = NULL;
125 static const char *arg_kill_who = NULL;
126 static int arg_signal = SIGTERM;
127 static char *arg_root = NULL;
128 static usec_t arg_when = 0;
129 static enum action {
130 ACTION_SYSTEMCTL,
131 ACTION_HALT,
132 ACTION_POWEROFF,
133 ACTION_REBOOT,
134 ACTION_KEXEC,
135 ACTION_EXIT,
136 ACTION_SUSPEND,
137 ACTION_HIBERNATE,
138 ACTION_HYBRID_SLEEP,
139 ACTION_SUSPEND_THEN_HIBERNATE,
140 ACTION_RUNLEVEL2,
141 ACTION_RUNLEVEL3,
142 ACTION_RUNLEVEL4,
143 ACTION_RUNLEVEL5,
144 ACTION_RESCUE,
145 ACTION_EMERGENCY,
146 ACTION_DEFAULT,
147 ACTION_RELOAD,
148 ACTION_REEXEC,
149 ACTION_RUNLEVEL,
150 ACTION_CANCEL_SHUTDOWN,
151 _ACTION_MAX,
152 _ACTION_INVALID = -1
153 } arg_action = ACTION_SYSTEMCTL;
154 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
155 static const char *arg_host = NULL;
156 static unsigned arg_lines = 10;
157 static OutputMode arg_output = OUTPUT_SHORT;
158 static bool arg_plain = false;
159 static bool arg_firmware_setup = false;
160 static usec_t arg_boot_loader_menu = USEC_INFINITY;
161 static const char *arg_boot_loader_entry = NULL;
162 static bool arg_now = false;
163 static bool arg_jobs_before = false;
164 static bool arg_jobs_after = false;
165 static char **arg_clean_what = NULL;
166
167 /* This is a global cache that will be constructed on first use. */
168 static Hashmap *cached_id_map = NULL;
169 static Hashmap *cached_name_map = NULL;
170
171 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
172 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
173 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
174 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
175 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
176 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
177 STATIC_DESTRUCTOR_REGISTER(cached_id_map, hashmap_freep);
178 STATIC_DESTRUCTOR_REGISTER(cached_name_map, hashmap_freep);
179
180 static int daemon_reload(int argc, char *argv[], void* userdata);
181 static int trivial_method(int argc, char *argv[], void *userdata);
182 static int halt_now(enum action a);
183 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
184
185 static bool original_stdout_is_tty;
186
187 typedef enum BusFocus {
188 BUS_FULL, /* The full bus indicated via --system or --user */
189 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
190 _BUS_FOCUS_MAX
191 } BusFocus;
192
193 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
194
195 static UnitFileFlags args_to_flags(void) {
196 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
197 (arg_force ? UNIT_FILE_FORCE : 0);
198 }
199
200 static int acquire_bus(BusFocus focus, sd_bus **ret) {
201 int r;
202
203 assert(focus < _BUS_FOCUS_MAX);
204 assert(ret);
205
206 /* We only go directly to the manager, if we are using a local transport */
207 if (arg_transport != BUS_TRANSPORT_LOCAL)
208 focus = BUS_FULL;
209
210 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
211 focus = BUS_FULL;
212
213 if (!buses[focus]) {
214 bool user;
215
216 user = arg_scope != UNIT_FILE_SYSTEM;
217
218 if (focus == BUS_MANAGER)
219 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
220 else
221 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
222 if (r < 0)
223 return log_error_errno(r, "Failed to connect to bus: %m");
224
225 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
226 }
227
228 *ret = buses[focus];
229 return 0;
230 }
231
232 static void release_busses(void) {
233 BusFocus w;
234
235 for (w = 0; w < _BUS_FOCUS_MAX; w++)
236 buses[w] = sd_bus_flush_close_unref(buses[w]);
237 }
238
239 static void ask_password_agent_open_if_enabled(void) {
240 /* Open the password agent as a child process if necessary */
241
242 if (arg_dry_run)
243 return;
244
245 if (!arg_ask_password)
246 return;
247
248 if (arg_scope != UNIT_FILE_SYSTEM)
249 return;
250
251 if (arg_transport != BUS_TRANSPORT_LOCAL)
252 return;
253
254 ask_password_agent_open();
255 }
256
257 static void polkit_agent_open_maybe(void) {
258 /* Open the polkit agent as a child process if necessary */
259
260 if (arg_scope != UNIT_FILE_SYSTEM)
261 return;
262
263 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
264 }
265
266 static OutputFlags get_output_flags(void) {
267 return
268 arg_all * OUTPUT_SHOW_ALL |
269 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
270 colors_enabled() * OUTPUT_COLOR |
271 !arg_quiet * OUTPUT_WARN_CUTOFF;
272 }
273
274 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
275 assert(error);
276
277 if (!sd_bus_error_is_set(error))
278 return r;
279
280 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
281 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
282 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
283 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
284 return EXIT_NOPERMISSION;
285
286 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
287 return EXIT_NOTINSTALLED;
288
289 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
290 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
291 return EXIT_NOTIMPLEMENTED;
292
293 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
294 return EXIT_NOTCONFIGURED;
295
296 if (r != 0)
297 return r;
298
299 return EXIT_FAILURE;
300 }
301
302 static bool install_client_side(void) {
303 /* Decides when to execute enable/disable/... operations
304 * client-side rather than server-side. */
305
306 if (running_in_chroot_or_offline())
307 return true;
308
309 if (sd_booted() <= 0)
310 return true;
311
312 if (!isempty(arg_root))
313 return true;
314
315 if (arg_scope == UNIT_FILE_GLOBAL)
316 return true;
317
318 /* Unsupported environment variable, mostly for debugging purposes */
319 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
320 return true;
321
322 return false;
323 }
324
325 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
326 const char *d1, *d2;
327 int r;
328
329 /* First, order by machine */
330 if (!a->machine && b->machine)
331 return -1;
332 if (a->machine && !b->machine)
333 return 1;
334 if (a->machine && b->machine) {
335 r = strcasecmp(a->machine, b->machine);
336 if (r != 0)
337 return r;
338 }
339
340 /* Second, order by unit type */
341 d1 = strrchr(a->id, '.');
342 d2 = strrchr(b->id, '.');
343 if (d1 && d2) {
344 r = strcasecmp(d1, d2);
345 if (r != 0)
346 return r;
347 }
348
349 /* Third, order by name */
350 return strcasecmp(a->id, b->id);
351 }
352
353 static const char* unit_type_suffix(const char *name) {
354 const char *dot;
355
356 dot = strrchr(name, '.');
357 if (!dot)
358 return "";
359
360 return dot + 1;
361 }
362
363 static bool output_show_unit(const UnitInfo *u, char **patterns) {
364 assert(u);
365
366 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
367 return false;
368
369 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
370 return false;
371
372 if (arg_all)
373 return true;
374
375 /* Note that '--all' is not purely a state filter, but also a
376 * filter that hides units that "follow" other units (which is
377 * used for device units that appear under different names). */
378 if (!isempty(u->following))
379 return false;
380
381 if (!strv_isempty(arg_states))
382 return true;
383
384 /* By default show all units except the ones in inactive
385 * state and with no pending job */
386 if (u->job_id > 0)
387 return true;
388
389 if (streq(u->active_state, "inactive"))
390 return false;
391
392 return true;
393 }
394
395 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
396 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
397 const UnitInfo *u;
398 unsigned n_shown = 0;
399 int job_count = 0;
400 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
401
402 max_id_len = STRLEN("UNIT");
403 load_len = STRLEN("LOAD");
404 active_len = STRLEN("ACTIVE");
405 sub_len = STRLEN("SUB");
406 job_len = STRLEN("JOB");
407 max_desc_len = STRLEN("DESCRIPTION");
408
409 for (u = unit_infos; u < unit_infos + c; u++) {
410 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
411 load_len = MAX(load_len, strlen(u->load_state));
412 active_len = MAX(active_len, strlen(u->active_state));
413 sub_len = MAX(sub_len, strlen(u->sub_state));
414 max_desc_len = MAX(max_desc_len, strlen(u->description));
415
416 if (u->job_id != 0) {
417 job_len = MAX(job_len, strlen(u->job_type));
418 job_count++;
419 }
420
421 if (!arg_no_legend &&
422 (streq(u->active_state, "failed") ||
423 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
424 circle_len = 2;
425 }
426
427 if (!arg_full && original_stdout_is_tty) {
428 unsigned basic_len;
429
430 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
431 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
432
433 if (job_count)
434 basic_len += job_len + 1;
435
436 if (basic_len < (unsigned) columns()) {
437 unsigned extra_len, incr;
438 extra_len = columns() - basic_len;
439
440 /* Either UNIT already got 25, or is fully satisfied.
441 * Grant up to 25 to DESC now. */
442 incr = MIN(extra_len, 25u);
443 desc_len = incr;
444 extra_len -= incr;
445
446 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
447 * description but not more than it needs. */
448 if (extra_len > 0) {
449 incr = MIN(max_id_len - id_len, extra_len);
450 id_len += incr;
451 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
452 }
453 } else
454 desc_len = 0;
455 } else {
456 id_len = max_id_len;
457 desc_len = max_desc_len;
458 }
459
460 for (u = unit_infos; u < unit_infos + c; u++) {
461 _cleanup_free_ char *e = NULL, *j = NULL;
462 const char *on_underline = "", *off_underline = "";
463 const char *on_loaded = "", *off_loaded = "";
464 const char *on_active = "", *off_active = "";
465 const char *on_circle = "", *off_circle = "";
466 const char *id;
467 bool circle = false, underline = false;
468
469 if (!n_shown && !arg_no_legend) {
470
471 if (circle_len > 0)
472 fputs(" ", stdout);
473
474 printf("%s%-*s %-*s %-*s %-*s ",
475 ansi_underline(),
476 id_len, "UNIT",
477 load_len, "LOAD",
478 active_len, "ACTIVE",
479 sub_len, "SUB");
480
481 if (job_count)
482 printf("%-*s ", job_len, "JOB");
483
484 printf("%-*.*s%s\n",
485 desc_len,
486 full ? -1 : (int) desc_len,
487 "DESCRIPTION",
488 ansi_normal());
489 }
490
491 n_shown++;
492
493 if (u + 1 < unit_infos + c &&
494 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
495 on_underline = ansi_underline();
496 off_underline = ansi_normal();
497 underline = true;
498 }
499
500 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
501 on_circle = ansi_highlight_yellow();
502 off_circle = ansi_normal();
503 circle = true;
504 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
505 off_loaded = underline ? on_underline : ansi_normal();
506 } else if (streq(u->active_state, "failed") && !arg_plain) {
507 on_circle = ansi_highlight_red();
508 off_circle = ansi_normal();
509 circle = true;
510 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
511 off_active = underline ? on_underline : ansi_normal();
512 }
513
514 if (u->machine) {
515 j = strjoin(u->machine, ":", u->id);
516 if (!j)
517 return log_oom();
518
519 id = j;
520 } else
521 id = u->id;
522
523 if (arg_full) {
524 e = ellipsize(id, id_len, 33);
525 if (!e)
526 return log_oom();
527
528 id = e;
529 }
530
531 if (circle_len > 0)
532 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
533
534 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
535 on_underline,
536 on_active, id_len, id, off_active,
537 on_loaded, load_len, u->load_state, off_loaded,
538 on_active, active_len, u->active_state,
539 sub_len, u->sub_state, off_active,
540 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
541
542 printf("%-*.*s%s\n",
543 desc_len,
544 full ? -1 : (int) desc_len,
545 u->description,
546 off_underline);
547 }
548
549 if (!arg_no_legend) {
550 const char *on, *off;
551
552 if (n_shown) {
553 puts("\n"
554 "LOAD = Reflects whether the unit definition was properly loaded.\n"
555 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
556 "SUB = The low-level unit activation state, values depend on unit type.");
557 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
558 on = ansi_highlight();
559 off = ansi_normal();
560 } else {
561 on = ansi_highlight_red();
562 off = ansi_normal();
563 }
564
565 if (arg_all || strv_contains(arg_states, "inactive"))
566 printf("%s%u loaded units listed.%s\n"
567 "To show all installed unit files use 'systemctl list-unit-files'.\n",
568 on, n_shown, off);
569 else if (!arg_states)
570 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
571 "To show all installed unit files use 'systemctl list-unit-files'.\n",
572 on, n_shown, off);
573 else
574 printf("%u loaded units listed.\n", n_shown);
575 }
576
577 return 0;
578 }
579
580 static int get_unit_list(
581 sd_bus *bus,
582 const char *machine,
583 char **patterns,
584 UnitInfo **unit_infos,
585 int c,
586 sd_bus_message **_reply) {
587
588 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
589 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
590 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
591 size_t size = c;
592 int r;
593 UnitInfo u;
594 bool fallback = false;
595
596 assert(bus);
597 assert(unit_infos);
598 assert(_reply);
599
600 r = sd_bus_message_new_method_call(
601 bus,
602 &m,
603 "org.freedesktop.systemd1",
604 "/org/freedesktop/systemd1",
605 "org.freedesktop.systemd1.Manager",
606 "ListUnitsByPatterns");
607 if (r < 0)
608 return bus_log_create_error(r);
609
610 r = sd_bus_message_append_strv(m, arg_states);
611 if (r < 0)
612 return bus_log_create_error(r);
613
614 r = sd_bus_message_append_strv(m, patterns);
615 if (r < 0)
616 return bus_log_create_error(r);
617
618 r = sd_bus_call(bus, m, 0, &error, &reply);
619 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
620 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
621 /* Fallback to legacy ListUnitsFiltered method */
622 fallback = true;
623 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
624 m = sd_bus_message_unref(m);
625 sd_bus_error_free(&error);
626
627 r = sd_bus_message_new_method_call(
628 bus,
629 &m,
630 "org.freedesktop.systemd1",
631 "/org/freedesktop/systemd1",
632 "org.freedesktop.systemd1.Manager",
633 "ListUnitsFiltered");
634 if (r < 0)
635 return bus_log_create_error(r);
636
637 r = sd_bus_message_append_strv(m, arg_states);
638 if (r < 0)
639 return bus_log_create_error(r);
640
641 r = sd_bus_call(bus, m, 0, &error, &reply);
642 }
643 if (r < 0)
644 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
645
646 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
647 if (r < 0)
648 return bus_log_parse_error(r);
649
650 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
651 u.machine = machine;
652
653 if (!output_show_unit(&u, fallback ? patterns : NULL))
654 continue;
655
656 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
657 return log_oom();
658
659 (*unit_infos)[c++] = u;
660 }
661 if (r < 0)
662 return bus_log_parse_error(r);
663
664 r = sd_bus_message_exit_container(reply);
665 if (r < 0)
666 return bus_log_parse_error(r);
667
668 *_reply = TAKE_PTR(reply);
669
670 return c;
671 }
672
673 static void message_set_freep(Set **set) {
674 set_free_with_destructor(*set, sd_bus_message_unref);
675 }
676
677 static int get_unit_list_recursive(
678 sd_bus *bus,
679 char **patterns,
680 UnitInfo **_unit_infos,
681 Set **_replies,
682 char ***_machines) {
683
684 _cleanup_free_ UnitInfo *unit_infos = NULL;
685 _cleanup_(message_set_freep) Set *replies;
686 sd_bus_message *reply;
687 int c, r;
688
689 assert(bus);
690 assert(_replies);
691 assert(_unit_infos);
692 assert(_machines);
693
694 replies = set_new(NULL);
695 if (!replies)
696 return log_oom();
697
698 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
699 if (c < 0)
700 return c;
701
702 r = set_put(replies, reply);
703 if (r < 0) {
704 sd_bus_message_unref(reply);
705 return log_oom();
706 }
707
708 if (arg_recursive) {
709 _cleanup_strv_free_ char **machines = NULL;
710 char **i;
711
712 r = sd_get_machine_names(&machines);
713 if (r < 0)
714 return log_error_errno(r, "Failed to get machine names: %m");
715
716 STRV_FOREACH(i, machines) {
717 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
718 int k;
719
720 r = sd_bus_open_system_machine(&container, *i);
721 if (r < 0) {
722 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
723 continue;
724 }
725
726 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
727 if (k < 0)
728 return k;
729
730 c = k;
731
732 r = set_put(replies, reply);
733 if (r < 0) {
734 sd_bus_message_unref(reply);
735 return log_oom();
736 }
737 }
738
739 *_machines = TAKE_PTR(machines);
740 } else
741 *_machines = NULL;
742
743 *_unit_infos = TAKE_PTR(unit_infos);
744 *_replies = TAKE_PTR(replies);
745
746 return c;
747 }
748
749 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret, bool *ret_expanded) {
750 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
751 char **name;
752 int r, i;
753
754 assert(bus);
755 assert(ret);
756
757 STRV_FOREACH(name, names) {
758 char *t;
759 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
760
761 r = unit_name_mangle_with_suffix(*name, NULL, options, suffix ?: ".service", &t);
762 if (r < 0)
763 return log_error_errno(r, "Failed to mangle name: %m");
764
765 if (string_is_glob(t))
766 r = strv_consume(&globs, t);
767 else
768 r = strv_consume(&mangled, t);
769 if (r < 0)
770 return log_oom();
771 }
772
773 /* Query the manager only if any of the names are a glob, since
774 * this is fairly expensive */
775 bool expanded = !strv_isempty(globs);
776 if (expanded) {
777 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
778 _cleanup_free_ UnitInfo *unit_infos = NULL;
779 size_t allocated, n;
780
781 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
782 if (r < 0)
783 return r;
784
785 n = strv_length(mangled);
786 allocated = n + 1;
787
788 for (i = 0; i < r; i++) {
789 if (!GREEDY_REALLOC(mangled, allocated, n+2))
790 return log_oom();
791
792 mangled[n] = strdup(unit_infos[i].id);
793 if (!mangled[n])
794 return log_oom();
795
796 mangled[++n] = NULL;
797 }
798 }
799
800 if (ret_expanded)
801 *ret_expanded = expanded;
802
803 *ret = TAKE_PTR(mangled);
804 return 0;
805 }
806
807 static int list_units(int argc, char *argv[], void *userdata) {
808 _cleanup_free_ UnitInfo *unit_infos = NULL;
809 _cleanup_(message_set_freep) Set *replies = NULL;
810 _cleanup_strv_free_ char **machines = NULL;
811 sd_bus *bus;
812 int r;
813
814 r = acquire_bus(BUS_MANAGER, &bus);
815 if (r < 0)
816 return r;
817
818 (void) pager_open(arg_pager_flags);
819
820 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
821 if (r < 0)
822 return r;
823
824 typesafe_qsort(unit_infos, r, compare_unit_info);
825 return output_units_list(unit_infos, r);
826 }
827
828 static int get_triggered_units(
829 sd_bus *bus,
830 const char* path,
831 char*** ret) {
832
833 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
834 int r;
835
836 assert(bus);
837 assert(path);
838 assert(ret);
839
840 r = sd_bus_get_property_strv(
841 bus,
842 "org.freedesktop.systemd1",
843 path,
844 "org.freedesktop.systemd1.Unit",
845 "Triggers",
846 &error,
847 ret);
848 if (r < 0)
849 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
850
851 return 0;
852 }
853
854 static int get_listening(
855 sd_bus *bus,
856 const char* unit_path,
857 char*** listening) {
858
859 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
860 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
861 const char *type, *path;
862 int r, n = 0;
863
864 r = sd_bus_get_property(
865 bus,
866 "org.freedesktop.systemd1",
867 unit_path,
868 "org.freedesktop.systemd1.Socket",
869 "Listen",
870 &error,
871 &reply,
872 "a(ss)");
873 if (r < 0)
874 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
875
876 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
877 if (r < 0)
878 return bus_log_parse_error(r);
879
880 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
881
882 r = strv_extend(listening, type);
883 if (r < 0)
884 return log_oom();
885
886 r = strv_extend(listening, path);
887 if (r < 0)
888 return log_oom();
889
890 n++;
891 }
892 if (r < 0)
893 return bus_log_parse_error(r);
894
895 r = sd_bus_message_exit_container(reply);
896 if (r < 0)
897 return bus_log_parse_error(r);
898
899 return n;
900 }
901
902 struct socket_info {
903 const char *machine;
904 const char* id;
905
906 char* type;
907 char* path;
908
909 /* Note: triggered is a list here, although it almost certainly
910 * will always be one unit. Nevertheless, dbus API allows for multiple
911 * values, so let's follow that. */
912 char** triggered;
913
914 /* The strv above is shared. free is set only in the first one. */
915 bool own_triggered;
916 };
917
918 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
919 int r;
920
921 assert(a);
922 assert(b);
923
924 if (!a->machine && b->machine)
925 return -1;
926 if (a->machine && !b->machine)
927 return 1;
928 if (a->machine && b->machine) {
929 r = strcasecmp(a->machine, b->machine);
930 if (r != 0)
931 return r;
932 }
933
934 r = strcmp(a->path, b->path);
935 if (r == 0)
936 r = strcmp(a->type, b->type);
937
938 return r;
939 }
940
941 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
942 struct socket_info *s;
943 unsigned pathlen = STRLEN("LISTEN"),
944 typelen = STRLEN("TYPE") * arg_show_types,
945 socklen = STRLEN("UNIT"),
946 servlen = STRLEN("ACTIVATES");
947 const char *on, *off;
948
949 for (s = socket_infos; s < socket_infos + cs; s++) {
950 unsigned tmp = 0;
951 char **a;
952
953 socklen = MAX(socklen, strlen(s->id));
954 if (arg_show_types)
955 typelen = MAX(typelen, strlen(s->type));
956 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
957
958 STRV_FOREACH(a, s->triggered)
959 tmp += strlen(*a) + 2*(a != s->triggered);
960 servlen = MAX(servlen, tmp);
961 }
962
963 if (cs) {
964 if (!arg_no_legend)
965 printf("%-*s %-*.*s%-*s %s\n",
966 pathlen, "LISTEN",
967 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
968 socklen, "UNIT",
969 "ACTIVATES");
970
971 for (s = socket_infos; s < socket_infos + cs; s++) {
972 _cleanup_free_ char *j = NULL;
973 const char *path;
974 char **a;
975
976 if (s->machine) {
977 j = strjoin(s->machine, ":", s->path);
978 if (!j)
979 return log_oom();
980 path = j;
981 } else
982 path = s->path;
983
984 if (arg_show_types)
985 printf("%-*s %-*s %-*s",
986 pathlen, path, typelen, s->type, socklen, s->id);
987 else
988 printf("%-*s %-*s",
989 pathlen, path, socklen, s->id);
990 STRV_FOREACH(a, s->triggered)
991 printf("%s %s",
992 a == s->triggered ? "" : ",", *a);
993 printf("\n");
994 }
995
996 on = ansi_highlight();
997 off = ansi_normal();
998 if (!arg_no_legend)
999 printf("\n");
1000 } else {
1001 on = ansi_highlight_red();
1002 off = ansi_normal();
1003 }
1004
1005 if (!arg_no_legend) {
1006 printf("%s%u sockets listed.%s\n", on, cs, off);
1007 if (!arg_all)
1008 printf("Pass --all to see loaded but inactive sockets, too.\n");
1009 }
1010
1011 return 0;
1012 }
1013
1014 static int list_sockets(int argc, char *argv[], void *userdata) {
1015 _cleanup_(message_set_freep) Set *replies = NULL;
1016 _cleanup_strv_free_ char **machines = NULL;
1017 _cleanup_strv_free_ char **sockets_with_suffix = NULL;
1018 _cleanup_free_ UnitInfo *unit_infos = NULL;
1019 _cleanup_free_ struct socket_info *socket_infos = NULL;
1020 const UnitInfo *u;
1021 struct socket_info *s;
1022 unsigned cs = 0;
1023 size_t size = 0;
1024 int r = 0, n;
1025 sd_bus *bus;
1026
1027 r = acquire_bus(BUS_MANAGER, &bus);
1028 if (r < 0)
1029 return r;
1030
1031 (void) pager_open(arg_pager_flags);
1032
1033 r = expand_names(bus, strv_skip(argv, 1), ".socket", &sockets_with_suffix, NULL);
1034 if (r < 0)
1035 return r;
1036
1037 if (argc == 1 || sockets_with_suffix) {
1038 n = get_unit_list_recursive(bus, sockets_with_suffix, &unit_infos, &replies, &machines);
1039 if (n < 0)
1040 return n;
1041
1042 for (u = unit_infos; u < unit_infos + n; u++) {
1043 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
1044 int i, c;
1045
1046 if (!endswith(u->id, ".socket"))
1047 continue;
1048
1049 r = get_triggered_units(bus, u->unit_path, &triggered);
1050 if (r < 0)
1051 goto cleanup;
1052
1053 c = get_listening(bus, u->unit_path, &listening);
1054 if (c < 0) {
1055 r = c;
1056 goto cleanup;
1057 }
1058
1059 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
1060 r = log_oom();
1061 goto cleanup;
1062 }
1063
1064 for (i = 0; i < c; i++)
1065 socket_infos[cs + i] = (struct socket_info) {
1066 .machine = u->machine,
1067 .id = u->id,
1068 .type = listening[i*2],
1069 .path = listening[i*2 + 1],
1070 .triggered = triggered,
1071 .own_triggered = i==0,
1072 };
1073
1074 /* from this point on we will cleanup those socket_infos */
1075 cs += c;
1076 free(listening);
1077 listening = triggered = NULL; /* avoid cleanup */
1078 }
1079
1080 typesafe_qsort(socket_infos, cs, socket_info_compare);
1081 }
1082
1083 output_sockets_list(socket_infos, cs);
1084
1085 cleanup:
1086 assert(cs == 0 || socket_infos);
1087 for (s = socket_infos; s < socket_infos + cs; s++) {
1088 free(s->type);
1089 free(s->path);
1090 if (s->own_triggered)
1091 strv_free(s->triggered);
1092 }
1093
1094 return r;
1095 }
1096
1097 static int get_next_elapse(
1098 sd_bus *bus,
1099 const char *path,
1100 dual_timestamp *next) {
1101
1102 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1103 dual_timestamp t;
1104 int r;
1105
1106 assert(bus);
1107 assert(path);
1108 assert(next);
1109
1110 r = sd_bus_get_property_trivial(
1111 bus,
1112 "org.freedesktop.systemd1",
1113 path,
1114 "org.freedesktop.systemd1.Timer",
1115 "NextElapseUSecMonotonic",
1116 &error,
1117 't',
1118 &t.monotonic);
1119 if (r < 0)
1120 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1121
1122 r = sd_bus_get_property_trivial(
1123 bus,
1124 "org.freedesktop.systemd1",
1125 path,
1126 "org.freedesktop.systemd1.Timer",
1127 "NextElapseUSecRealtime",
1128 &error,
1129 't',
1130 &t.realtime);
1131 if (r < 0)
1132 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1133
1134 *next = t;
1135 return 0;
1136 }
1137
1138 static int get_last_trigger(
1139 sd_bus *bus,
1140 const char *path,
1141 usec_t *last) {
1142
1143 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1144 int r;
1145
1146 assert(bus);
1147 assert(path);
1148 assert(last);
1149
1150 r = sd_bus_get_property_trivial(
1151 bus,
1152 "org.freedesktop.systemd1",
1153 path,
1154 "org.freedesktop.systemd1.Timer",
1155 "LastTriggerUSec",
1156 &error,
1157 't',
1158 last);
1159 if (r < 0)
1160 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1161
1162 return 0;
1163 }
1164
1165 struct timer_info {
1166 const char* machine;
1167 const char* id;
1168 usec_t next_elapse;
1169 usec_t last_trigger;
1170 char** triggered;
1171 };
1172
1173 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1174 int r;
1175
1176 assert(a);
1177 assert(b);
1178
1179 if (!a->machine && b->machine)
1180 return -1;
1181 if (a->machine && !b->machine)
1182 return 1;
1183 if (a->machine && b->machine) {
1184 r = strcasecmp(a->machine, b->machine);
1185 if (r != 0)
1186 return r;
1187 }
1188
1189 r = CMP(a->next_elapse, b->next_elapse);
1190 if (r != 0)
1191 return r;
1192
1193 return strcmp(a->id, b->id);
1194 }
1195
1196 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1197 struct timer_info *t;
1198 unsigned
1199 nextlen = STRLEN("NEXT"),
1200 leftlen = STRLEN("LEFT"),
1201 lastlen = STRLEN("LAST"),
1202 passedlen = STRLEN("PASSED"),
1203 unitlen = STRLEN("UNIT"),
1204 activatelen = STRLEN("ACTIVATES");
1205
1206 const char *on, *off;
1207
1208 assert(timer_infos || n == 0);
1209
1210 for (t = timer_infos; t < timer_infos + n; t++) {
1211 unsigned ul = 0;
1212 char **a;
1213
1214 if (t->next_elapse > 0) {
1215 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1216
1217 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1218 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1219
1220 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1221 leftlen = MAX(leftlen, strlen(trel));
1222 }
1223
1224 if (t->last_trigger > 0) {
1225 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1226
1227 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1228 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1229
1230 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1231 passedlen = MAX(passedlen, strlen(trel));
1232 }
1233
1234 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1235
1236 STRV_FOREACH(a, t->triggered)
1237 ul += strlen(*a) + 2*(a != t->triggered);
1238
1239 activatelen = MAX(activatelen, ul);
1240 }
1241
1242 if (n > 0) {
1243 if (!arg_no_legend)
1244 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1245 nextlen, "NEXT",
1246 leftlen, "LEFT",
1247 lastlen, "LAST",
1248 passedlen, "PASSED",
1249 unitlen, "UNIT",
1250 "ACTIVATES");
1251
1252 for (t = timer_infos; t < timer_infos + n; t++) {
1253 _cleanup_free_ char *j = NULL;
1254 const char *unit;
1255 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1256 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1257 char **a;
1258
1259 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1260 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1261
1262 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1263 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1264
1265 if (t->machine) {
1266 j = strjoin(t->machine, ":", t->id);
1267 if (!j)
1268 return log_oom();
1269 unit = j;
1270 } else
1271 unit = t->id;
1272
1273 printf("%-*s %-*s %-*s %-*s %-*s",
1274 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1275
1276 STRV_FOREACH(a, t->triggered)
1277 printf("%s %s",
1278 a == t->triggered ? "" : ",", *a);
1279 printf("\n");
1280 }
1281
1282 on = ansi_highlight();
1283 off = ansi_normal();
1284 if (!arg_no_legend)
1285 printf("\n");
1286 } else {
1287 on = ansi_highlight_red();
1288 off = ansi_normal();
1289 }
1290
1291 if (!arg_no_legend) {
1292 printf("%s%u timers listed.%s\n", on, n, off);
1293 if (!arg_all)
1294 printf("Pass --all to see loaded but inactive timers, too.\n");
1295 }
1296
1297 return 0;
1298 }
1299
1300 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1301 usec_t next_elapse;
1302
1303 assert(nw);
1304 assert(next);
1305
1306 if (timestamp_is_set(next->monotonic)) {
1307 usec_t converted;
1308
1309 if (next->monotonic > nw->monotonic)
1310 converted = nw->realtime + (next->monotonic - nw->monotonic);
1311 else
1312 converted = nw->realtime - (nw->monotonic - next->monotonic);
1313
1314 if (timestamp_is_set(next->realtime))
1315 next_elapse = MIN(converted, next->realtime);
1316 else
1317 next_elapse = converted;
1318
1319 } else
1320 next_elapse = next->realtime;
1321
1322 return next_elapse;
1323 }
1324
1325 static int list_timers(int argc, char *argv[], void *userdata) {
1326 _cleanup_(message_set_freep) Set *replies = NULL;
1327 _cleanup_strv_free_ char **machines = NULL;
1328 _cleanup_strv_free_ char **timers_with_suffix = NULL;
1329 _cleanup_free_ struct timer_info *timer_infos = NULL;
1330 _cleanup_free_ UnitInfo *unit_infos = NULL;
1331 struct timer_info *t;
1332 const UnitInfo *u;
1333 size_t size = 0;
1334 int n, c = 0;
1335 dual_timestamp nw;
1336 sd_bus *bus;
1337 int r = 0;
1338
1339 r = acquire_bus(BUS_MANAGER, &bus);
1340 if (r < 0)
1341 return r;
1342
1343 (void) pager_open(arg_pager_flags);
1344
1345 r = expand_names(bus, strv_skip(argv, 1), ".timer", &timers_with_suffix, NULL);
1346 if (r < 0)
1347 return r;
1348
1349 if (argc == 1 || timers_with_suffix) {
1350 n = get_unit_list_recursive(bus, timers_with_suffix, &unit_infos, &replies, &machines);
1351 if (n < 0)
1352 return n;
1353
1354 dual_timestamp_get(&nw);
1355
1356 for (u = unit_infos; u < unit_infos + n; u++) {
1357 _cleanup_strv_free_ char **triggered = NULL;
1358 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1359 usec_t m, last = 0;
1360
1361 if (!endswith(u->id, ".timer"))
1362 continue;
1363
1364 r = get_triggered_units(bus, u->unit_path, &triggered);
1365 if (r < 0)
1366 goto cleanup;
1367
1368 r = get_next_elapse(bus, u->unit_path, &next);
1369 if (r < 0)
1370 goto cleanup;
1371
1372 get_last_trigger(bus, u->unit_path, &last);
1373
1374 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1375 r = log_oom();
1376 goto cleanup;
1377 }
1378
1379 m = calc_next_elapse(&nw, &next);
1380
1381 timer_infos[c++] = (struct timer_info) {
1382 .machine = u->machine,
1383 .id = u->id,
1384 .next_elapse = m,
1385 .last_trigger = last,
1386 .triggered = TAKE_PTR(triggered),
1387 };
1388 }
1389
1390 typesafe_qsort(timer_infos, c, timer_info_compare);
1391 }
1392
1393 output_timers_list(timer_infos, c);
1394
1395 cleanup:
1396 for (t = timer_infos; t < timer_infos + c; t++)
1397 strv_free(t->triggered);
1398
1399 return r;
1400 }
1401
1402 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1403 const char *d1, *d2;
1404
1405 d1 = strrchr(a->path, '.');
1406 d2 = strrchr(b->path, '.');
1407
1408 if (d1 && d2) {
1409 int r;
1410
1411 r = strcasecmp(d1, d2);
1412 if (r != 0)
1413 return r;
1414 }
1415
1416 return strcasecmp(basename(a->path), basename(b->path));
1417 }
1418
1419 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1420 assert(u);
1421
1422 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1423 return false;
1424
1425 if (!strv_isempty(arg_types)) {
1426 const char *dot;
1427
1428 dot = strrchr(u->path, '.');
1429 if (!dot)
1430 return false;
1431
1432 if (!strv_find(arg_types, dot+1))
1433 return false;
1434 }
1435
1436 if (!strv_isempty(states) &&
1437 !strv_find(states, unit_file_state_to_string(u->state)))
1438 return false;
1439
1440 return true;
1441 }
1442
1443 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1444 unsigned max_id_len, id_cols, state_cols;
1445 const UnitFileList *u;
1446
1447 max_id_len = STRLEN("UNIT FILE");
1448 state_cols = STRLEN("STATE");
1449
1450 for (u = units; u < units + c; u++) {
1451 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1452 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1453 }
1454
1455 if (!arg_full) {
1456 unsigned basic_cols;
1457
1458 id_cols = MIN(max_id_len, 25u);
1459 basic_cols = 1 + id_cols + state_cols;
1460 if (basic_cols < (unsigned) columns())
1461 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1462 } else
1463 id_cols = max_id_len;
1464
1465 if (!arg_no_legend && c > 0)
1466 printf("%s%-*s %-*s%s\n",
1467 ansi_underline(),
1468 id_cols, "UNIT FILE",
1469 state_cols, "STATE",
1470 ansi_normal());
1471
1472 for (u = units; u < units + c; u++) {
1473 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1474 _cleanup_free_ char *e = NULL;
1475 bool underline;
1476
1477 underline = u + 1 < units + c &&
1478 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1479
1480 if (underline)
1481 on_underline = ansi_underline();
1482
1483 if (IN_SET(u->state,
1484 UNIT_FILE_MASKED,
1485 UNIT_FILE_MASKED_RUNTIME,
1486 UNIT_FILE_DISABLED,
1487 UNIT_FILE_BAD))
1488 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1489 else if (u->state == UNIT_FILE_ENABLED)
1490 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1491
1492 if (on_underline || on_color)
1493 off = ansi_normal();
1494
1495 id = basename(u->path);
1496
1497 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1498
1499 printf("%s%-*s %s%-*s%s\n",
1500 strempty(on_underline),
1501 id_cols, e ? e : id,
1502 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1503 }
1504
1505 if (!arg_no_legend)
1506 printf("\n%u unit files listed.\n", c);
1507 }
1508
1509 static int list_unit_files(int argc, char *argv[], void *userdata) {
1510 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1511 _cleanup_free_ UnitFileList *units = NULL;
1512 UnitFileList *unit;
1513 size_t size = 0;
1514 unsigned c = 0;
1515 const char *state;
1516 char *path;
1517 int r;
1518 bool fallback = false;
1519
1520 if (install_client_side()) {
1521 Hashmap *h;
1522 UnitFileList *u;
1523 Iterator i;
1524 unsigned n_units;
1525
1526 h = hashmap_new(&string_hash_ops);
1527 if (!h)
1528 return log_oom();
1529
1530 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1531 if (r < 0) {
1532 unit_file_list_free(h);
1533 return log_error_errno(r, "Failed to get unit file list: %m");
1534 }
1535
1536 n_units = hashmap_size(h);
1537
1538 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1539 if (!units) {
1540 unit_file_list_free(h);
1541 return log_oom();
1542 }
1543
1544 HASHMAP_FOREACH(u, h, i) {
1545 if (!output_show_unit_file(u, NULL, NULL))
1546 continue;
1547
1548 units[c++] = *u;
1549 free(u);
1550 }
1551
1552 assert(c <= n_units);
1553 hashmap_free(h);
1554
1555 r = 0;
1556 } else {
1557 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1558 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1559 sd_bus *bus;
1560
1561 r = acquire_bus(BUS_MANAGER, &bus);
1562 if (r < 0)
1563 return r;
1564
1565 r = sd_bus_message_new_method_call(
1566 bus,
1567 &m,
1568 "org.freedesktop.systemd1",
1569 "/org/freedesktop/systemd1",
1570 "org.freedesktop.systemd1.Manager",
1571 "ListUnitFilesByPatterns");
1572 if (r < 0)
1573 return bus_log_create_error(r);
1574
1575 r = sd_bus_message_append_strv(m, arg_states);
1576 if (r < 0)
1577 return bus_log_create_error(r);
1578
1579 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1580 if (r < 0)
1581 return bus_log_create_error(r);
1582
1583 r = sd_bus_call(bus, m, 0, &error, &reply);
1584 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1585 /* Fallback to legacy ListUnitFiles method */
1586 fallback = true;
1587 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1588 m = sd_bus_message_unref(m);
1589 sd_bus_error_free(&error);
1590
1591 r = sd_bus_message_new_method_call(
1592 bus,
1593 &m,
1594 "org.freedesktop.systemd1",
1595 "/org/freedesktop/systemd1",
1596 "org.freedesktop.systemd1.Manager",
1597 "ListUnitFiles");
1598 if (r < 0)
1599 return bus_log_create_error(r);
1600
1601 r = sd_bus_call(bus, m, 0, &error, &reply);
1602 }
1603 if (r < 0)
1604 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1605
1606 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1607 if (r < 0)
1608 return bus_log_parse_error(r);
1609
1610 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1611
1612 if (!GREEDY_REALLOC(units, size, c + 1))
1613 return log_oom();
1614
1615 units[c] = (struct UnitFileList) {
1616 path,
1617 unit_file_state_from_string(state)
1618 };
1619
1620 if (output_show_unit_file(&units[c],
1621 fallback ? arg_states : NULL,
1622 fallback ? strv_skip(argv, 1) : NULL))
1623 c++;
1624
1625 }
1626 if (r < 0)
1627 return bus_log_parse_error(r);
1628
1629 r = sd_bus_message_exit_container(reply);
1630 if (r < 0)
1631 return bus_log_parse_error(r);
1632 }
1633
1634 (void) pager_open(arg_pager_flags);
1635
1636 typesafe_qsort(units, c, compare_unit_file_list);
1637 output_unit_file_list(units, c);
1638
1639 if (install_client_side())
1640 for (unit = units; unit < units + c; unit++)
1641 free(unit->path);
1642
1643 return 0;
1644 }
1645
1646 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1647 _cleanup_free_ char *n = NULL;
1648 size_t max_len = MAX(columns(),20u);
1649 size_t len = 0;
1650 int i;
1651
1652 if (!arg_plain) {
1653
1654 for (i = level - 1; i >= 0; i--) {
1655 len += 2;
1656 if (len > max_len - 3 && !arg_full) {
1657 printf("%s...\n",max_len % 2 ? "" : " ");
1658 return 0;
1659 }
1660 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1661 }
1662 len += 2;
1663
1664 if (len > max_len - 3 && !arg_full) {
1665 printf("%s...\n",max_len % 2 ? "" : " ");
1666 return 0;
1667 }
1668
1669 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1670 }
1671
1672 if (arg_full) {
1673 printf("%s\n", name);
1674 return 0;
1675 }
1676
1677 n = ellipsize(name, max_len-len, 100);
1678 if (!n)
1679 return log_oom();
1680
1681 printf("%s\n", n);
1682 return 0;
1683 }
1684
1685 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1686 struct DependencyStatusInfo {
1687 char **dep[5];
1688 } info = {};
1689
1690 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1691 [DEPENDENCY_FORWARD] = {
1692 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1693 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1694 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1695 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1696 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1697 {}
1698 },
1699 [DEPENDENCY_REVERSE] = {
1700 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1701 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1702 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1703 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1704 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1705 {}
1706 },
1707 [DEPENDENCY_AFTER] = {
1708 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1709 {}
1710 },
1711 [DEPENDENCY_BEFORE] = {
1712 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1713 {}
1714 },
1715 };
1716
1717 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1718 _cleanup_strv_free_ char **ret = NULL;
1719 _cleanup_free_ char *dbus_path = NULL;
1720 int i, r;
1721
1722 assert(bus);
1723 assert(name);
1724 assert(deps);
1725
1726 dbus_path = unit_dbus_path_from_name(name);
1727 if (!dbus_path)
1728 return log_oom();
1729
1730 r = bus_map_all_properties(bus,
1731 "org.freedesktop.systemd1",
1732 dbus_path,
1733 map[arg_dependency],
1734 BUS_MAP_STRDUP,
1735 &error,
1736 NULL,
1737 &info);
1738 if (r < 0)
1739 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1740
1741 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1742 *deps = info.dep[0];
1743 return 0;
1744 }
1745
1746 for (i = 0; i < 5; i++) {
1747 r = strv_extend_strv(&ret, info.dep[i], true);
1748 if (r < 0)
1749 return log_oom();
1750 info.dep[i] = strv_free(info.dep[i]);
1751 }
1752
1753 *deps = TAKE_PTR(ret);
1754
1755 return 0;
1756 }
1757
1758 static int list_dependencies_compare(char * const *a, char * const *b) {
1759 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1760 return 1;
1761 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1762 return -1;
1763
1764 return strcasecmp(*a, *b);
1765 }
1766
1767 static int list_dependencies_one(
1768 sd_bus *bus,
1769 const char *name,
1770 int level,
1771 char ***units,
1772 unsigned branches) {
1773
1774 _cleanup_strv_free_ char **deps = NULL;
1775 char **c;
1776 int r = 0;
1777
1778 assert(bus);
1779 assert(name);
1780 assert(units);
1781
1782 r = strv_extend(units, name);
1783 if (r < 0)
1784 return log_oom();
1785
1786 r = list_dependencies_get_dependencies(bus, name, &deps);
1787 if (r < 0)
1788 return r;
1789
1790 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1791
1792 STRV_FOREACH(c, deps) {
1793 if (strv_contains(*units, *c)) {
1794 if (!arg_plain) {
1795 printf(" ");
1796 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1797 if (r < 0)
1798 return r;
1799 }
1800 continue;
1801 }
1802
1803 if (arg_plain)
1804 printf(" ");
1805 else {
1806 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1807 const char *on;
1808
1809 (void) get_state_one_unit(bus, *c, &active_state);
1810
1811 switch (active_state) {
1812 case UNIT_ACTIVE:
1813 case UNIT_RELOADING:
1814 case UNIT_ACTIVATING:
1815 on = ansi_highlight_green();
1816 break;
1817
1818 case UNIT_INACTIVE:
1819 case UNIT_DEACTIVATING:
1820 on = ansi_normal();
1821 break;
1822
1823 default:
1824 on = ansi_highlight_red();
1825 break;
1826 }
1827
1828 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1829 }
1830
1831 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1832 if (r < 0)
1833 return r;
1834
1835 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1836 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1837 if (r < 0)
1838 return r;
1839 }
1840 }
1841
1842 if (!arg_plain)
1843 strv_remove(*units, name);
1844
1845 return 0;
1846 }
1847
1848 static int list_dependencies(int argc, char *argv[], void *userdata) {
1849 _cleanup_strv_free_ char **units = NULL;
1850 _cleanup_free_ char *unit = NULL;
1851 const char *u;
1852 sd_bus *bus;
1853 int r;
1854
1855 if (argv[1]) {
1856 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1857 if (r < 0)
1858 return log_error_errno(r, "Failed to mangle unit name: %m");
1859
1860 u = unit;
1861 } else
1862 u = SPECIAL_DEFAULT_TARGET;
1863
1864 r = acquire_bus(BUS_MANAGER, &bus);
1865 if (r < 0)
1866 return r;
1867
1868 (void) pager_open(arg_pager_flags);
1869
1870 puts(u);
1871
1872 return list_dependencies_one(bus, u, 0, &units, 0);
1873 }
1874
1875 struct machine_info {
1876 bool is_host;
1877 char *name;
1878 char *state;
1879 char *control_group;
1880 uint32_t n_failed_units;
1881 uint32_t n_jobs;
1882 usec_t timestamp;
1883 };
1884
1885 static const struct bus_properties_map machine_info_property_map[] = {
1886 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1887 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1888 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1889 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1890 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1891 {}
1892 };
1893
1894 static void machine_info_clear(struct machine_info *info) {
1895 assert(info);
1896
1897 free(info->name);
1898 free(info->state);
1899 free(info->control_group);
1900 zero(*info);
1901 }
1902
1903 static void free_machines_list(struct machine_info *machine_infos, int n) {
1904 int i;
1905
1906 if (!machine_infos)
1907 return;
1908
1909 for (i = 0; i < n; i++)
1910 machine_info_clear(&machine_infos[i]);
1911
1912 free(machine_infos);
1913 }
1914
1915 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1916 int r;
1917
1918 r = CMP(b->is_host, a->is_host);
1919 if (r != 0)
1920 return r;
1921
1922 return strcasecmp(a->name, b->name);
1923 }
1924
1925 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1926 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1927 int r;
1928
1929 assert(mi);
1930
1931 if (!bus) {
1932 r = sd_bus_open_system_machine(&container, mi->name);
1933 if (r < 0)
1934 return r;
1935
1936 bus = container;
1937 }
1938
1939 r = bus_map_all_properties(
1940 bus,
1941 "org.freedesktop.systemd1",
1942 "/org/freedesktop/systemd1",
1943 machine_info_property_map,
1944 BUS_MAP_STRDUP,
1945 NULL,
1946 NULL,
1947 mi);
1948 if (r < 0)
1949 return r;
1950
1951 return 0;
1952 }
1953
1954 static bool output_show_machine(const char *name, char **patterns) {
1955 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1956 }
1957
1958 static int get_machine_list(
1959 sd_bus *bus,
1960 struct machine_info **_machine_infos,
1961 char **patterns) {
1962
1963 struct machine_info *machine_infos = NULL;
1964 _cleanup_strv_free_ char **m = NULL;
1965 _cleanup_free_ char *hn = NULL;
1966 size_t sz = 0;
1967 char **i;
1968 int c = 0, r;
1969
1970 hn = gethostname_malloc();
1971 if (!hn)
1972 return log_oom();
1973
1974 if (output_show_machine(hn, patterns)) {
1975 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1976 return log_oom();
1977
1978 machine_infos[c].is_host = true;
1979 machine_infos[c].name = TAKE_PTR(hn);
1980
1981 (void) get_machine_properties(bus, &machine_infos[c]);
1982 c++;
1983 }
1984
1985 r = sd_get_machine_names(&m);
1986 if (r < 0)
1987 return log_error_errno(r, "Failed to get machine list: %m");
1988
1989 STRV_FOREACH(i, m) {
1990 _cleanup_free_ char *class = NULL;
1991
1992 if (!output_show_machine(*i, patterns))
1993 continue;
1994
1995 sd_machine_get_class(*i, &class);
1996 if (!streq_ptr(class, "container"))
1997 continue;
1998
1999 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
2000 free_machines_list(machine_infos, c);
2001 return log_oom();
2002 }
2003
2004 machine_infos[c].is_host = false;
2005 machine_infos[c].name = strdup(*i);
2006 if (!machine_infos[c].name) {
2007 free_machines_list(machine_infos, c);
2008 return log_oom();
2009 }
2010
2011 (void) get_machine_properties(NULL, &machine_infos[c]);
2012 c++;
2013 }
2014
2015 *_machine_infos = machine_infos;
2016 return c;
2017 }
2018
2019 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
2020 struct machine_info *m;
2021 unsigned
2022 circle_len = 0,
2023 namelen = STRLEN("NAME"),
2024 statelen = STRLEN("STATE"),
2025 failedlen = STRLEN("FAILED"),
2026 jobslen = STRLEN("JOBS");
2027 bool state_missing = false;
2028
2029 assert(machine_infos || n == 0);
2030
2031 for (m = machine_infos; m < machine_infos + n; m++) {
2032 namelen = MAX(namelen,
2033 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
2034 statelen = MAX(statelen, strlen_ptr(m->state));
2035 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
2036 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
2037
2038 if (!arg_plain && m->state && !streq(m->state, "running"))
2039 circle_len = 2;
2040 }
2041
2042 if (!arg_no_legend) {
2043 if (circle_len > 0)
2044 fputs(" ", stdout);
2045
2046 printf("%-*s %-*s %-*s %-*s\n",
2047 namelen, "NAME",
2048 statelen, "STATE",
2049 failedlen, "FAILED",
2050 jobslen, "JOBS");
2051 }
2052
2053 for (m = machine_infos; m < machine_infos + n; m++) {
2054 const char *on_state = "", *off_state = "";
2055 const char *on_failed = "", *off_failed = "";
2056 bool circle = false;
2057
2058 if (streq_ptr(m->state, "degraded")) {
2059 on_state = ansi_highlight_red();
2060 off_state = ansi_normal();
2061 circle = true;
2062 } else if (!streq_ptr(m->state, "running")) {
2063 on_state = ansi_highlight_yellow();
2064 off_state = ansi_normal();
2065 circle = true;
2066 }
2067
2068 if (m->n_failed_units > 0) {
2069 on_failed = ansi_highlight_red();
2070 off_failed = ansi_normal();
2071 } else
2072 on_failed = off_failed = "";
2073
2074 if (circle_len > 0)
2075 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
2076
2077 if (!m->state)
2078 state_missing = true;
2079
2080 if (m->is_host)
2081 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2082 (int) (namelen - strlen(" (host)")),
2083 strna(m->name),
2084 on_state, statelen, strna(m->state), off_state,
2085 on_failed, failedlen, m->n_failed_units, off_failed,
2086 jobslen, m->n_jobs);
2087 else
2088 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2089 namelen, strna(m->name),
2090 on_state, statelen, strna(m->state), off_state,
2091 on_failed, failedlen, m->n_failed_units, off_failed,
2092 jobslen, m->n_jobs);
2093 }
2094
2095 if (!arg_no_legend) {
2096 printf("\n");
2097 if (state_missing && geteuid() != 0)
2098 printf("Notice: some information only available to privileged users was not shown.\n");
2099 printf("%u machines listed.\n", n);
2100 }
2101 }
2102
2103 static int list_machines(int argc, char *argv[], void *userdata) {
2104 struct machine_info *machine_infos = NULL;
2105 sd_bus *bus;
2106 int r;
2107
2108 r = acquire_bus(BUS_MANAGER, &bus);
2109 if (r < 0)
2110 return r;
2111
2112 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2113 if (r < 0)
2114 return r;
2115
2116 (void) pager_open(arg_pager_flags);
2117
2118 typesafe_qsort(machine_infos, r, compare_machine_info);
2119 output_machines_list(machine_infos, r);
2120 free_machines_list(machine_infos, r);
2121
2122 return 0;
2123 }
2124
2125 static int get_default(int argc, char *argv[], void *userdata) {
2126 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2127 _cleanup_free_ char *_path = NULL;
2128 const char *path;
2129 int r;
2130
2131 if (install_client_side()) {
2132 r = unit_file_get_default(arg_scope, arg_root, &_path);
2133 if (r < 0)
2134 return log_error_errno(r, "Failed to get default target: %m");
2135 path = _path;
2136
2137 r = 0;
2138 } else {
2139 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2140 sd_bus *bus;
2141
2142 r = acquire_bus(BUS_MANAGER, &bus);
2143 if (r < 0)
2144 return r;
2145
2146 r = sd_bus_call_method(
2147 bus,
2148 "org.freedesktop.systemd1",
2149 "/org/freedesktop/systemd1",
2150 "org.freedesktop.systemd1.Manager",
2151 "GetDefaultTarget",
2152 &error,
2153 &reply,
2154 NULL);
2155 if (r < 0)
2156 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2157
2158 r = sd_bus_message_read(reply, "s", &path);
2159 if (r < 0)
2160 return bus_log_parse_error(r);
2161 }
2162
2163 if (path)
2164 printf("%s\n", path);
2165
2166 return 0;
2167 }
2168
2169 static int set_default(int argc, char *argv[], void *userdata) {
2170 _cleanup_free_ char *unit = NULL;
2171 UnitFileChange *changes = NULL;
2172 size_t n_changes = 0;
2173 int r;
2174
2175 assert(argc >= 2);
2176 assert(argv);
2177
2178 r = unit_name_mangle_with_suffix(argv[1], "set-default",
2179 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
2180 ".target", &unit);
2181 if (r < 0)
2182 return log_error_errno(r, "Failed to mangle unit name: %m");
2183
2184 if (install_client_side()) {
2185 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2186 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2187
2188 if (r > 0)
2189 r = 0;
2190 } else {
2191 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2192 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2193 sd_bus *bus;
2194
2195 polkit_agent_open_maybe();
2196
2197 r = acquire_bus(BUS_MANAGER, &bus);
2198 if (r < 0)
2199 return r;
2200
2201 r = sd_bus_call_method(
2202 bus,
2203 "org.freedesktop.systemd1",
2204 "/org/freedesktop/systemd1",
2205 "org.freedesktop.systemd1.Manager",
2206 "SetDefaultTarget",
2207 &error,
2208 &reply,
2209 "sb", unit, 1);
2210 if (r < 0)
2211 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2212
2213 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2214 if (r < 0)
2215 goto finish;
2216
2217 /* Try to reload if enabled */
2218 if (!arg_no_reload)
2219 r = daemon_reload(argc, argv, userdata);
2220 else
2221 r = 0;
2222 }
2223
2224 finish:
2225 unit_file_changes_free(changes, n_changes);
2226
2227 return r;
2228 }
2229
2230 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2231 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2232 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2233 const char *name, *type;
2234 uint32_t other_id;
2235 int r;
2236
2237 assert(bus);
2238
2239 r = sd_bus_call_method(
2240 bus,
2241 "org.freedesktop.systemd1",
2242 "/org/freedesktop/systemd1",
2243 "org.freedesktop.systemd1.Manager",
2244 method,
2245 &error,
2246 &reply,
2247 "u", id);
2248 if (r < 0)
2249 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2250
2251 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2252 if (r < 0)
2253 return bus_log_parse_error(r);
2254
2255 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2256 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2257 if (r < 0)
2258 return bus_log_parse_error(r);
2259
2260 r = sd_bus_message_exit_container(reply);
2261 if (r < 0)
2262 return bus_log_parse_error(r);
2263
2264 return 0;
2265 }
2266
2267 struct job_info {
2268 uint32_t id;
2269 const char *name, *type, *state;
2270 };
2271
2272 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2273 unsigned id_len, unit_len, type_len, state_len;
2274 const struct job_info *j;
2275 const char *on, *off;
2276 bool shorten = false;
2277
2278 assert(n == 0 || jobs);
2279
2280 if (n == 0) {
2281 if (!arg_no_legend) {
2282 on = ansi_highlight_green();
2283 off = ansi_normal();
2284
2285 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2286 }
2287 return;
2288 }
2289
2290 (void) pager_open(arg_pager_flags);
2291
2292 id_len = STRLEN("JOB");
2293 unit_len = STRLEN("UNIT");
2294 type_len = STRLEN("TYPE");
2295 state_len = STRLEN("STATE");
2296
2297 for (j = jobs; j < jobs + n; j++) {
2298 uint32_t id = j->id;
2299 assert(j->name && j->type && j->state);
2300
2301 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2302 unit_len = MAX(unit_len, strlen(j->name));
2303 type_len = MAX(type_len, strlen(j->type));
2304 state_len = MAX(state_len, strlen(j->state));
2305 }
2306
2307 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2308 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2309 shorten = true;
2310 }
2311
2312 if (!arg_no_legend)
2313 printf("%*s %-*s %-*s %-*s\n",
2314 id_len, "JOB",
2315 unit_len, "UNIT",
2316 type_len, "TYPE",
2317 state_len, "STATE");
2318
2319 for (j = jobs; j < jobs + n; j++) {
2320 _cleanup_free_ char *e = NULL;
2321
2322 if (streq(j->state, "running")) {
2323 on = ansi_highlight();
2324 off = ansi_normal();
2325 } else
2326 on = off = "";
2327
2328 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2329 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2330 id_len, j->id,
2331 on, unit_len, e ? e : j->name, off,
2332 type_len, j->type,
2333 on, state_len, j->state, off);
2334
2335 if (arg_jobs_after)
2336 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2337 if (arg_jobs_before)
2338 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2339 }
2340
2341 if (!arg_no_legend) {
2342 on = ansi_highlight();
2343 off = ansi_normal();
2344
2345 printf("\n%s%u jobs listed%s.\n", on, n, off);
2346 }
2347 }
2348
2349 static bool output_show_job(struct job_info *job, char **patterns) {
2350 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2351 }
2352
2353 static int list_jobs(int argc, char *argv[], void *userdata) {
2354 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2355 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2356 _cleanup_free_ struct job_info *jobs = NULL;
2357 const char *name, *type, *state;
2358 bool skipped = false;
2359 size_t size = 0;
2360 unsigned c = 0;
2361 sd_bus *bus;
2362 uint32_t id;
2363 int r;
2364
2365 r = acquire_bus(BUS_MANAGER, &bus);
2366 if (r < 0)
2367 return r;
2368
2369 r = sd_bus_call_method(
2370 bus,
2371 "org.freedesktop.systemd1",
2372 "/org/freedesktop/systemd1",
2373 "org.freedesktop.systemd1.Manager",
2374 "ListJobs",
2375 &error,
2376 &reply,
2377 NULL);
2378 if (r < 0)
2379 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2380
2381 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2382 if (r < 0)
2383 return bus_log_parse_error(r);
2384
2385 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2386 struct job_info job = { id, name, type, state };
2387
2388 if (!output_show_job(&job, strv_skip(argv, 1))) {
2389 skipped = true;
2390 continue;
2391 }
2392
2393 if (!GREEDY_REALLOC(jobs, size, c + 1))
2394 return log_oom();
2395
2396 jobs[c++] = job;
2397 }
2398 if (r < 0)
2399 return bus_log_parse_error(r);
2400
2401 r = sd_bus_message_exit_container(reply);
2402 if (r < 0)
2403 return bus_log_parse_error(r);
2404
2405 (void) pager_open(arg_pager_flags);
2406
2407 output_jobs_list(bus, jobs, c, skipped);
2408 return 0;
2409 }
2410
2411 static int cancel_job(int argc, char *argv[], void *userdata) {
2412 sd_bus *bus;
2413 char **name;
2414 int r = 0;
2415
2416 if (argc <= 1)
2417 return trivial_method(argc, argv, userdata);
2418
2419 r = acquire_bus(BUS_MANAGER, &bus);
2420 if (r < 0)
2421 return r;
2422
2423 polkit_agent_open_maybe();
2424
2425 STRV_FOREACH(name, strv_skip(argv, 1)) {
2426 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2427 uint32_t id;
2428 int q;
2429
2430 q = safe_atou32(*name, &id);
2431 if (q < 0)
2432 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2433
2434 q = sd_bus_call_method(
2435 bus,
2436 "org.freedesktop.systemd1",
2437 "/org/freedesktop/systemd1",
2438 "org.freedesktop.systemd1.Manager",
2439 "CancelJob",
2440 &error,
2441 NULL,
2442 "u", id);
2443 if (q < 0) {
2444 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2445 if (r == 0)
2446 r = q;
2447 }
2448 }
2449
2450 return r;
2451 }
2452
2453 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2454 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2455 const char *path;
2456 int b, r;
2457
2458 /* We ignore all errors here, since this is used to show a
2459 * warning only */
2460
2461 /* We don't use unit_dbus_path_from_name() directly since we
2462 * don't want to load the unit if it isn't loaded. */
2463
2464 r = sd_bus_call_method(
2465 bus,
2466 "org.freedesktop.systemd1",
2467 "/org/freedesktop/systemd1",
2468 "org.freedesktop.systemd1.Manager",
2469 "GetUnit",
2470 NULL,
2471 &reply,
2472 "s", unit);
2473 if (r < 0)
2474 return r;
2475
2476 r = sd_bus_message_read(reply, "o", &path);
2477 if (r < 0)
2478 return r;
2479
2480 r = sd_bus_get_property_trivial(
2481 bus,
2482 "org.freedesktop.systemd1",
2483 path,
2484 "org.freedesktop.systemd1.Unit",
2485 "NeedDaemonReload",
2486 NULL,
2487 'b', &b);
2488 if (r < 0)
2489 return r;
2490
2491 return b;
2492 }
2493
2494 static void warn_unit_file_changed(const char *name) {
2495 assert(name);
2496
2497 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.",
2498 ansi_highlight_red(),
2499 ansi_normal(),
2500 name,
2501 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2502 }
2503
2504 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2505 char **p;
2506
2507 assert(lp);
2508 assert(unit_name);
2509
2510 STRV_FOREACH(p, lp->search_path) {
2511 _cleanup_free_ char *path = NULL, *lpath = NULL;
2512 int r;
2513
2514 path = path_join(*p, unit_name);
2515 if (!path)
2516 return log_oom();
2517
2518 r = chase_symlinks(path, arg_root, 0, &lpath, NULL);
2519 if (r == -ENOENT)
2520 continue;
2521 if (r == -ENOMEM)
2522 return log_oom();
2523 if (r < 0)
2524 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2525
2526 if (ret_unit_path)
2527 *ret_unit_path = TAKE_PTR(lpath);
2528
2529 return 1;
2530 }
2531
2532 if (ret_unit_path)
2533 *ret_unit_path = NULL;
2534
2535 return 0;
2536 }
2537
2538 static int unit_find_template_path(
2539 const char *unit_name,
2540 LookupPaths *lp,
2541 char **ret_fragment_path,
2542 char **ret_template) {
2543
2544 _cleanup_free_ char *t = NULL, *f = NULL;
2545 int r;
2546
2547 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2548
2549 r = unit_file_find_path(lp, unit_name, &f);
2550 if (r < 0)
2551 return r;
2552 if (r > 0) {
2553 if (ret_fragment_path)
2554 *ret_fragment_path = TAKE_PTR(f);
2555 if (ret_template)
2556 *ret_template = NULL;
2557 return r; /* found a real unit */
2558 }
2559
2560 r = unit_name_template(unit_name, &t);
2561 if (r == -EINVAL) {
2562 if (ret_fragment_path)
2563 *ret_fragment_path = NULL;
2564 if (ret_template)
2565 *ret_template = NULL;
2566
2567 return 0; /* not a template, does not exist */
2568 }
2569 if (r < 0)
2570 return log_error_errno(r, "Failed to determine template name: %m");
2571
2572 r = unit_file_find_path(lp, t, ret_fragment_path);
2573 if (r < 0)
2574 return r;
2575
2576 if (ret_template)
2577 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2578
2579 return r;
2580 }
2581
2582 static int unit_find_paths(
2583 sd_bus *bus,
2584 const char *unit_name,
2585 LookupPaths *lp,
2586 bool force_client_side,
2587 char **ret_fragment_path,
2588 char ***ret_dropin_paths) {
2589
2590 _cleanup_strv_free_ char **dropins = NULL;
2591 _cleanup_free_ char *path = NULL;
2592 int r;
2593
2594 /**
2595 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2596 * found, and sets:
2597 * - the path to the unit in *ret_frament_path, if it exists on disk,
2598 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2599 * were found.
2600 *
2601 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2602 * some reason (the latter only applies if we are going through the service manager).
2603 */
2604
2605 assert(unit_name);
2606 assert(ret_fragment_path);
2607 assert(lp);
2608
2609 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2610 if (!force_client_side &&
2611 !install_client_side() &&
2612 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2613 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2614 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2615
2616 dbus_path = unit_dbus_path_from_name(unit_name);
2617 if (!dbus_path)
2618 return log_oom();
2619
2620 r = sd_bus_get_property_string(
2621 bus,
2622 "org.freedesktop.systemd1",
2623 dbus_path,
2624 "org.freedesktop.systemd1.Unit",
2625 "LoadState",
2626 &error,
2627 &load_state);
2628 if (r < 0)
2629 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2630
2631 if (streq(load_state, "masked"))
2632 return -ERFKILL;
2633 if (streq(load_state, "not-found")) {
2634 r = 0;
2635 goto not_found;
2636 }
2637 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2638 return -EKEYREJECTED;
2639
2640 r = sd_bus_get_property_string(
2641 bus,
2642 "org.freedesktop.systemd1",
2643 dbus_path,
2644 "org.freedesktop.systemd1.Unit",
2645 "FragmentPath",
2646 &error,
2647 &path);
2648 if (r < 0)
2649 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2650
2651 if (ret_dropin_paths) {
2652 r = sd_bus_get_property_strv(
2653 bus,
2654 "org.freedesktop.systemd1",
2655 dbus_path,
2656 "org.freedesktop.systemd1.Unit",
2657 "DropInPaths",
2658 &error,
2659 &dropins);
2660 if (r < 0)
2661 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2662 }
2663 } else {
2664 const char *_path;
2665 _cleanup_set_free_free_ Set *names = NULL;
2666
2667 if (!cached_name_map) {
2668 r = unit_file_build_name_map(lp, NULL, &cached_id_map, &cached_name_map, NULL);
2669 if (r < 0)
2670 return r;
2671 }
2672
2673 r = unit_file_find_fragment(cached_id_map, cached_name_map, unit_name, &_path, &names);
2674 if (r < 0)
2675 return r;
2676
2677 if (_path) {
2678 path = strdup(_path);
2679 if (!path)
2680 return log_oom();
2681 }
2682
2683 if (ret_dropin_paths) {
2684 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2685 ".d", ".conf",
2686 names, &dropins);
2687 if (r < 0)
2688 return r;
2689 }
2690 }
2691
2692 if (isempty(path)) {
2693 *ret_fragment_path = NULL;
2694 r = 0;
2695 } else {
2696 *ret_fragment_path = TAKE_PTR(path);
2697 r = 1;
2698 }
2699
2700 if (ret_dropin_paths) {
2701 if (!strv_isempty(dropins)) {
2702 *ret_dropin_paths = TAKE_PTR(dropins);
2703 r = 1;
2704 } else
2705 *ret_dropin_paths = NULL;
2706 }
2707
2708 not_found:
2709 if (r == 0 && !arg_force)
2710 log_error("No files found for %s.", unit_name);
2711
2712 return r;
2713 }
2714
2715 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2716 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2717 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2718 UnitActiveState state;
2719 int r;
2720
2721 assert(name);
2722 assert(active_state);
2723
2724 dbus_path = unit_dbus_path_from_name(name);
2725 if (!dbus_path)
2726 return log_oom();
2727
2728 r = sd_bus_get_property_string(
2729 bus,
2730 "org.freedesktop.systemd1",
2731 dbus_path,
2732 "org.freedesktop.systemd1.Unit",
2733 "ActiveState",
2734 &error,
2735 &buf);
2736 if (r < 0)
2737 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2738
2739 state = unit_active_state_from_string(buf);
2740 if (state < 0)
2741 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2742
2743 *active_state = state;
2744 return 0;
2745 }
2746
2747 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2748 _cleanup_free_ char *load_state = NULL;
2749 int r;
2750
2751 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2752 _cleanup_free_ char *path = NULL;
2753
2754 /* A template cannot be loaded, but it can be still masked, so
2755 * we need to use a different method. */
2756
2757 r = unit_file_find_path(lp, name, &path);
2758 if (r < 0)
2759 return r;
2760 if (r == 0)
2761 return false;
2762 return null_or_empty_path(path);
2763 }
2764
2765 r = unit_load_state(bus, name, &load_state);
2766 if (r < 0)
2767 return r;
2768
2769 return streq(load_state, "masked");
2770 }
2771
2772 static int check_triggering_units(sd_bus *bus, const char *name) {
2773 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2774 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2775 _cleanup_strv_free_ char **triggered_by = NULL;
2776 bool print_warning_label = true;
2777 UnitActiveState active_state;
2778 char **i;
2779 int r;
2780
2781 r = unit_name_mangle(name, 0, &n);
2782 if (r < 0)
2783 return log_error_errno(r, "Failed to mangle unit name: %m");
2784
2785 r = unit_load_state(bus, name, &load_state);
2786 if (r < 0)
2787 return r;
2788
2789 if (streq(load_state, "masked"))
2790 return 0;
2791
2792 dbus_path = unit_dbus_path_from_name(n);
2793 if (!dbus_path)
2794 return log_oom();
2795
2796 r = sd_bus_get_property_strv(
2797 bus,
2798 "org.freedesktop.systemd1",
2799 dbus_path,
2800 "org.freedesktop.systemd1.Unit",
2801 "TriggeredBy",
2802 &error,
2803 &triggered_by);
2804 if (r < 0)
2805 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2806
2807 STRV_FOREACH(i, triggered_by) {
2808 r = get_state_one_unit(bus, *i, &active_state);
2809 if (r < 0)
2810 return r;
2811
2812 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2813 continue;
2814
2815 if (print_warning_label) {
2816 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2817 print_warning_label = false;
2818 }
2819
2820 log_warning(" %s", *i);
2821 }
2822
2823 return 0;
2824 }
2825
2826 static const struct {
2827 const char *verb; /* systemctl verb */
2828 const char *method; /* Name of the specific D-Bus method */
2829 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2830 } unit_actions[] = {
2831 { "start", "StartUnit", "start" },
2832 { "stop", "StopUnit", "stop" },
2833 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2834 { "reload", "ReloadUnit", "reload" },
2835 { "restart", "RestartUnit", "restart" },
2836 { "try-restart", "TryRestartUnit", "try-restart" },
2837 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2838 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2839 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2840 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2841 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2842 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2843 };
2844
2845 static const char *verb_to_method(const char *verb) {
2846 size_t i;
2847
2848 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2849 if (streq_ptr(unit_actions[i].verb, verb))
2850 return unit_actions[i].method;
2851
2852 return "StartUnit";
2853 }
2854
2855 static const char *verb_to_job_type(const char *verb) {
2856 size_t i;
2857
2858 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2859 if (streq_ptr(unit_actions[i].verb, verb))
2860 return unit_actions[i].job_type;
2861
2862 return "start";
2863 }
2864
2865 static int start_unit_one(
2866 sd_bus *bus,
2867 const char *method, /* When using classic per-job bus methods */
2868 const char *job_type, /* When using new-style EnqueueUnitJob() */
2869 const char *name,
2870 const char *mode,
2871 sd_bus_error *error,
2872 BusWaitForJobs *w,
2873 BusWaitForUnits *wu) {
2874
2875 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2876 const char *path;
2877 bool done = false;
2878 int r;
2879
2880 assert(method);
2881 assert(name);
2882 assert(mode);
2883 assert(error);
2884
2885 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2886 arg_dry_run ? "Would execute" : "Executing",
2887 method, name, mode);
2888
2889 if (arg_dry_run)
2890 return 0;
2891
2892 if (arg_show_transaction) {
2893 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2894
2895 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2896 r = sd_bus_call_method(
2897 bus,
2898 "org.freedesktop.systemd1",
2899 "/org/freedesktop/systemd1",
2900 "org.freedesktop.systemd1.Manager",
2901 "EnqueueUnitJob",
2902 &enqueue_error,
2903 &reply,
2904 "sss",
2905 name, job_type, mode);
2906 if (r < 0) {
2907 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2908 (void) sd_bus_error_move(error, &enqueue_error);
2909 goto fail;
2910 }
2911
2912 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2913 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2914 } else {
2915 const char *u, *jt;
2916 uint32_t id;
2917
2918 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2919 if (r < 0)
2920 return bus_log_parse_error(r);
2921
2922 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2923
2924 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2925 if (r < 0)
2926 return bus_log_parse_error(r);
2927 for (;;) {
2928 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2929 if (r < 0)
2930 return bus_log_parse_error(r);
2931 if (r == 0)
2932 break;
2933
2934 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2935 }
2936
2937 r = sd_bus_message_exit_container(reply);
2938 if (r < 0)
2939 return bus_log_parse_error(r);
2940
2941 done = true;
2942 }
2943 }
2944
2945 if (!done) {
2946 r = sd_bus_call_method(
2947 bus,
2948 "org.freedesktop.systemd1",
2949 "/org/freedesktop/systemd1",
2950 "org.freedesktop.systemd1.Manager",
2951 method,
2952 error,
2953 &reply,
2954 "ss", name, mode);
2955 if (r < 0)
2956 goto fail;
2957
2958 r = sd_bus_message_read(reply, "o", &path);
2959 if (r < 0)
2960 return bus_log_parse_error(r);
2961 }
2962
2963 if (need_daemon_reload(bus, name) > 0)
2964 warn_unit_file_changed(name);
2965
2966 if (w) {
2967 log_debug("Adding %s to the set", path);
2968 r = bus_wait_for_jobs_add(w, path);
2969 if (r < 0)
2970 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2971 }
2972
2973 if (wu) {
2974 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2975 if (r < 0)
2976 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2977 }
2978
2979 return 0;
2980
2981 fail:
2982 /* There's always a fallback possible for legacy actions. */
2983 if (arg_action != ACTION_SYSTEMCTL)
2984 return r;
2985
2986 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2987
2988 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2989 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2990 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2991 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2992 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2993 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2994 name[0] == '-' ? " --" : "",
2995 name);
2996
2997 return r;
2998 }
2999
3000 static const struct {
3001 const char *target;
3002 const char *verb;
3003 const char *mode;
3004 } action_table[_ACTION_MAX] = {
3005 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3006 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3007 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3008 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3009 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3010 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3011 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3012 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3013 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3014 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3015 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3016 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3017 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3018 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3019 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3020 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3021 };
3022
3023 static enum action verb_to_action(const char *verb) {
3024 enum action i;
3025
3026 for (i = 0; i < _ACTION_MAX; i++)
3027 if (streq_ptr(action_table[i].verb, verb))
3028 return i;
3029
3030 return _ACTION_INVALID;
3031 }
3032
3033 static const char** make_extra_args(const char *extra_args[static 4]) {
3034 size_t n = 0;
3035
3036 assert(extra_args);
3037
3038 if (arg_scope != UNIT_FILE_SYSTEM)
3039 extra_args[n++] = "--user";
3040
3041 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3042 extra_args[n++] = "-H";
3043 extra_args[n++] = arg_host;
3044 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3045 extra_args[n++] = "-M";
3046 extra_args[n++] = arg_host;
3047 } else
3048 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3049
3050 extra_args[n] = NULL;
3051 return extra_args;
3052 }
3053
3054 static int start_unit(int argc, char *argv[], void *userdata) {
3055 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3056 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3057 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3058 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3059 _cleanup_strv_free_ char **names = NULL;
3060 int r, ret = EXIT_SUCCESS;
3061 sd_bus *bus;
3062 char **name;
3063
3064 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3065 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3066 "--wait may only be used with the 'start' or 'restart' commands.");
3067
3068 /* we cannot do sender tracking on the private bus, so we need the full
3069 * one for RefUnit to implement --wait */
3070 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3071 if (r < 0)
3072 return r;
3073
3074 ask_password_agent_open_if_enabled();
3075 polkit_agent_open_maybe();
3076
3077 if (arg_action == ACTION_SYSTEMCTL) {
3078 enum action action;
3079
3080 action = verb_to_action(argv[0]);
3081
3082 if (action != _ACTION_INVALID) {
3083 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3084 method = "StartUnit";
3085 job_type = "start";
3086 mode = action_table[action].mode;
3087 one_name = action_table[action].target;
3088 } else {
3089 if (streq(argv[0], "isolate")) {
3090 /* A "systemctl isolate <unit1> <unit2> …" command */
3091 method = "StartUnit";
3092 job_type = "start";
3093 mode = "isolate";
3094 suffix = ".target";
3095 } else {
3096 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3097 method = verb_to_method(argv[0]);
3098 job_type = verb_to_job_type(argv[0]);
3099 mode = arg_job_mode;
3100 }
3101 one_name = NULL;
3102 }
3103 } else {
3104 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3105 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3106 assert(action_table[arg_action].target);
3107 assert(action_table[arg_action].mode);
3108
3109 method = "StartUnit";
3110 job_type = "start";
3111 mode = action_table[arg_action].mode;
3112 one_name = action_table[arg_action].target;
3113 }
3114
3115 if (one_name) {
3116 names = strv_new(one_name);
3117 if (!names)
3118 return log_oom();
3119 } else {
3120 bool expanded;
3121
3122 r = expand_names(bus, strv_skip(argv, 1), suffix, &names, &expanded);
3123 if (r < 0)
3124 return log_error_errno(r, "Failed to expand names: %m");
3125
3126 if (!arg_all && expanded && streq(job_type, "start") && !arg_quiet) {
3127 log_warning("Warning: %ssystemctl start called with a glob pattern.%s",
3128 ansi_highlight_red(),
3129 ansi_normal());
3130 log_notice("Hint: unit globs expand to loaded units, so start will usually have no effect.\n"
3131 " Passing --all will also load units which are pulled in by other units.\n"
3132 " See systemctl(1) for more details.");
3133 }
3134 }
3135
3136 if (!arg_no_block) {
3137 r = bus_wait_for_jobs_new(bus, &w);
3138 if (r < 0)
3139 return log_error_errno(r, "Could not watch jobs: %m");
3140 }
3141
3142 if (arg_wait) {
3143 r = sd_bus_call_method_async(
3144 bus,
3145 NULL,
3146 "org.freedesktop.systemd1",
3147 "/org/freedesktop/systemd1",
3148 "org.freedesktop.systemd1.Manager",
3149 "Subscribe",
3150 NULL, NULL,
3151 NULL);
3152 if (r < 0)
3153 return log_error_errno(r, "Failed to enable subscription: %m");
3154
3155 r = bus_wait_for_units_new(bus, &wu);
3156 if (r < 0)
3157 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3158 }
3159
3160 STRV_FOREACH(name, names) {
3161 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3162
3163 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3164 if (ret == EXIT_SUCCESS && r < 0)
3165 ret = translate_bus_error_to_exit_status(r, &error);
3166
3167 if (r >= 0 && streq(method, "StopUnit")) {
3168 r = strv_push(&stopped_units, *name);
3169 if (r < 0)
3170 return log_oom();
3171 }
3172 }
3173
3174 if (!arg_no_block) {
3175 const char* extra_args[4];
3176
3177 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3178 if (r < 0)
3179 return r;
3180
3181 /* When stopping units, warn if they can still be triggered by
3182 * another active unit (socket, path, timer) */
3183 if (!arg_quiet)
3184 STRV_FOREACH(name, stopped_units)
3185 (void) check_triggering_units(bus, *name);
3186 }
3187
3188 if (arg_wait) {
3189 r = bus_wait_for_units_run(wu);
3190 if (r < 0)
3191 return log_error_errno(r, "Failed to wait for units: %m");
3192 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3193 ret = EXIT_FAILURE;
3194 }
3195
3196 return ret;
3197 }
3198
3199 #if ENABLE_LOGIND
3200 static int logind_set_wall_message(void) {
3201 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3202 sd_bus *bus;
3203 _cleanup_free_ char *m = NULL;
3204 int r;
3205
3206 r = acquire_bus(BUS_FULL, &bus);
3207 if (r < 0)
3208 return r;
3209
3210 m = strv_join(arg_wall, " ");
3211 if (!m)
3212 return log_oom();
3213
3214 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3215 if (arg_dry_run)
3216 return 0;
3217
3218 r = sd_bus_call_method(
3219 bus,
3220 "org.freedesktop.login1",
3221 "/org/freedesktop/login1",
3222 "org.freedesktop.login1.Manager",
3223 "SetWallMessage",
3224 &error,
3225 NULL,
3226 "sb",
3227 m,
3228 !arg_no_wall);
3229
3230 if (r < 0)
3231 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3232 return 0;
3233 }
3234 #endif
3235
3236 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3237 static int logind_reboot(enum action a) {
3238 #if ENABLE_LOGIND
3239 static const struct {
3240 const char *method;
3241 const char *description;
3242 } actions[_ACTION_MAX] = {
3243 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3244 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3245 [ACTION_HALT] = { "Halt", "halt system" },
3246 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3247 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3248 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3249 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3250 };
3251
3252 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3253 sd_bus *bus;
3254 int r;
3255
3256 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3257 return -EINVAL;
3258
3259 r = acquire_bus(BUS_FULL, &bus);
3260 if (r < 0)
3261 return r;
3262
3263 polkit_agent_open_maybe();
3264 (void) logind_set_wall_message();
3265
3266 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3267
3268 if (arg_dry_run)
3269 return 0;
3270
3271 r = sd_bus_call_method(
3272 bus,
3273 "org.freedesktop.login1",
3274 "/org/freedesktop/login1",
3275 "org.freedesktop.login1.Manager",
3276 actions[a].method,
3277 &error,
3278 NULL,
3279 "b", arg_ask_password);
3280 if (r < 0)
3281 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3282
3283 return 0;
3284 #else
3285 return -ENOSYS;
3286 #endif
3287 }
3288
3289 static int logind_check_inhibitors(enum action a) {
3290 #if ENABLE_LOGIND
3291 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3292 _cleanup_strv_free_ char **sessions = NULL;
3293 const char *what, *who, *why, *mode;
3294 uint32_t uid, pid;
3295 sd_bus *bus;
3296 unsigned c = 0;
3297 char **s;
3298 int r;
3299
3300 if (arg_ignore_inhibitors || arg_force > 0)
3301 return 0;
3302
3303 if (arg_when > 0)
3304 return 0;
3305
3306 if (geteuid() == 0)
3307 return 0;
3308
3309 if (!on_tty())
3310 return 0;
3311
3312 if (arg_transport != BUS_TRANSPORT_LOCAL)
3313 return 0;
3314
3315 r = acquire_bus(BUS_FULL, &bus);
3316 if (r < 0)
3317 return r;
3318
3319 r = sd_bus_call_method(
3320 bus,
3321 "org.freedesktop.login1",
3322 "/org/freedesktop/login1",
3323 "org.freedesktop.login1.Manager",
3324 "ListInhibitors",
3325 NULL,
3326 &reply,
3327 NULL);
3328 if (r < 0)
3329 /* If logind is not around, then there are no inhibitors... */
3330 return 0;
3331
3332 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3333 if (r < 0)
3334 return bus_log_parse_error(r);
3335
3336 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3337 _cleanup_free_ char *comm = NULL, *user = NULL;
3338 _cleanup_strv_free_ char **sv = NULL;
3339
3340 if (!streq(mode, "block"))
3341 continue;
3342
3343 sv = strv_split(what, ":");
3344 if (!sv)
3345 return log_oom();
3346
3347 if (!pid_is_valid((pid_t) pid))
3348 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3349
3350 if (!strv_contains(sv,
3351 IN_SET(a,
3352 ACTION_HALT,
3353 ACTION_POWEROFF,
3354 ACTION_REBOOT,
3355 ACTION_KEXEC) ? "shutdown" : "sleep"))
3356 continue;
3357
3358 get_process_comm(pid, &comm);
3359 user = uid_to_name(uid);
3360
3361 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3362 who, (pid_t) pid, strna(comm), strna(user), why);
3363
3364 c++;
3365 }
3366 if (r < 0)
3367 return bus_log_parse_error(r);
3368
3369 r = sd_bus_message_exit_container(reply);
3370 if (r < 0)
3371 return bus_log_parse_error(r);
3372
3373 /* Check for current sessions */
3374 sd_get_sessions(&sessions);
3375 STRV_FOREACH(s, sessions) {
3376 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3377
3378 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3379 continue;
3380
3381 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3382 continue;
3383
3384 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3385 continue;
3386
3387 sd_session_get_tty(*s, &tty);
3388 sd_session_get_seat(*s, &seat);
3389 sd_session_get_service(*s, &service);
3390 user = uid_to_name(uid);
3391
3392 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3393 c++;
3394 }
3395
3396 if (c <= 0)
3397 return 0;
3398
3399 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3400 action_table[a].verb);
3401
3402 return -EPERM;
3403 #else
3404 return 0;
3405 #endif
3406 }
3407
3408 static int prepare_firmware_setup(void) {
3409
3410 if (!arg_firmware_setup)
3411 return 0;
3412
3413 #if ENABLE_LOGIND
3414 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3415 sd_bus *bus;
3416 int r;
3417
3418 r = acquire_bus(BUS_FULL, &bus);
3419 if (r < 0)
3420 return r;
3421
3422 r = sd_bus_call_method(
3423 bus,
3424 "org.freedesktop.login1",
3425 "/org/freedesktop/login1",
3426 "org.freedesktop.login1.Manager",
3427 "SetRebootToFirmwareSetup",
3428 &error,
3429 NULL,
3430 "b", true);
3431 if (r < 0)
3432 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3433
3434 return 0;
3435 #else
3436 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3437 "Booting into firmware setup not supported.");
3438 #endif
3439 }
3440
3441 static int prepare_boot_loader_menu(void) {
3442
3443 if (arg_boot_loader_menu == USEC_INFINITY)
3444 return 0;
3445
3446 #if ENABLE_LOGIND
3447 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3448 sd_bus *bus;
3449 int r;
3450
3451 r = acquire_bus(BUS_FULL, &bus);
3452 if (r < 0)
3453 return r;
3454
3455 r = sd_bus_call_method(
3456 bus,
3457 "org.freedesktop.login1",
3458 "/org/freedesktop/login1",
3459 "org.freedesktop.login1.Manager",
3460 "SetRebootToBootLoaderMenu",
3461 &error,
3462 NULL,
3463 "t", arg_boot_loader_menu);
3464 if (r < 0)
3465 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3466
3467 return 0;
3468 #else
3469 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3470 "Booting into boot loader menu not supported.");
3471 #endif
3472 }
3473
3474 static int prepare_boot_loader_entry(void) {
3475
3476 if (!arg_boot_loader_entry)
3477 return 0;
3478
3479 #if ENABLE_LOGIND
3480 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3481 sd_bus *bus;
3482 int r;
3483
3484 r = acquire_bus(BUS_FULL, &bus);
3485 if (r < 0)
3486 return r;
3487
3488 r = sd_bus_call_method(
3489 bus,
3490 "org.freedesktop.login1",
3491 "/org/freedesktop/login1",
3492 "org.freedesktop.login1.Manager",
3493 "SetRebootToBootLoaderEntry",
3494 &error,
3495 NULL,
3496 "s", arg_boot_loader_entry);
3497 if (r < 0)
3498 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3499
3500 return 0;
3501 #else
3502 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3503 "Booting into boot loader entry not supported.");
3504 #endif
3505 }
3506
3507 static int load_kexec_kernel(void) {
3508 _cleanup_(boot_config_free) BootConfig config = {};
3509 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3510 const BootEntry *e;
3511 pid_t pid;
3512 int r;
3513
3514 if (kexec_loaded()) {
3515 log_debug("Kexec kernel already loaded.");
3516 return 0;
3517 }
3518
3519 if (access(KEXEC, X_OK) < 0)
3520 return log_error_errno(errno, KEXEC" is not available: %m");
3521
3522 r = boot_entries_load_config_auto(NULL, NULL, &config);
3523 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3524 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3525 if (r < 0)
3526 return r;
3527
3528 e = boot_config_default_entry(&config);
3529 if (!e)
3530 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3531 "No boot loader entry suitable as default, refusing to guess.");
3532
3533 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3534
3535 if (!e->kernel)
3536 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3537 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3538 if (strv_length(e->initrd) > 1)
3539 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3540 "Boot entry specifies multiple initrds, which is not supported currently.");
3541
3542 kernel = path_join(e->root, e->kernel);
3543 if (!kernel)
3544 return log_oom();
3545
3546 if (!strv_isempty(e->initrd)) {
3547 initrd = path_join(e->root, e->initrd[0]);
3548 if (!initrd)
3549 return log_oom();
3550 }
3551
3552 options = strv_join(e->options, " ");
3553 if (!options)
3554 return log_oom();
3555
3556 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3557 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3558 arg_dry_run ? "Would run" : "Running",
3559 kernel,
3560 options,
3561 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3562 if (arg_dry_run)
3563 return 0;
3564
3565 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3566 if (r < 0)
3567 return r;
3568 if (r == 0) {
3569 const char* const args[] = {
3570 KEXEC,
3571 "--load", kernel,
3572 "--append", options,
3573 initrd ? "--initrd" : NULL, initrd,
3574 NULL
3575 };
3576
3577 /* Child */
3578 execv(args[0], (char * const *) args);
3579 _exit(EXIT_FAILURE);
3580 }
3581
3582 return 0;
3583 }
3584
3585 static int set_exit_code(uint8_t code) {
3586 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3587 sd_bus *bus;
3588 int r;
3589
3590 r = acquire_bus(BUS_MANAGER, &bus);
3591 if (r < 0)
3592 return r;
3593
3594 r = sd_bus_call_method(
3595 bus,
3596 "org.freedesktop.systemd1",
3597 "/org/freedesktop/systemd1",
3598 "org.freedesktop.systemd1.Manager",
3599 "SetExitCode",
3600 &error,
3601 NULL,
3602 "y", code);
3603 if (r < 0)
3604 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3605
3606 return 0;
3607 }
3608
3609 static int start_special(int argc, char *argv[], void *userdata) {
3610 enum action a;
3611 int r;
3612 bool termination_action; /* an action that terminates the manager,
3613 * can be performed also by signal. */
3614
3615 assert(argv);
3616
3617 a = verb_to_action(argv[0]);
3618
3619 r = logind_check_inhibitors(a);
3620 if (r < 0)
3621 return r;
3622
3623 if (arg_force >= 2) {
3624 r = must_be_root();
3625 if (r < 0)
3626 return r;
3627 }
3628
3629 r = prepare_firmware_setup();
3630 if (r < 0)
3631 return r;
3632
3633 r = prepare_boot_loader_menu();
3634 if (r < 0)
3635 return r;
3636
3637 r = prepare_boot_loader_entry();
3638 if (r < 0)
3639 return r;
3640
3641 if (a == ACTION_REBOOT && argc > 1) {
3642 r = update_reboot_parameter_and_warn(argv[1], false);
3643 if (r < 0)
3644 return r;
3645
3646 } else if (a == ACTION_KEXEC) {
3647 r = load_kexec_kernel();
3648 if (r < 0 && arg_force >= 1)
3649 log_notice("Failed to load kexec kernel, continuing without.");
3650 else if (r < 0)
3651 return r;
3652
3653 } else if (a == ACTION_EXIT && argc > 1) {
3654 uint8_t code;
3655
3656 /* If the exit code is not given on the command line,
3657 * don't reset it to zero: just keep it as it might
3658 * have been set previously. */
3659
3660 r = safe_atou8(argv[1], &code);
3661 if (r < 0)
3662 return log_error_errno(r, "Invalid exit code.");
3663
3664 r = set_exit_code(code);
3665 if (r < 0)
3666 return r;
3667 }
3668
3669 termination_action = IN_SET(a,
3670 ACTION_HALT,
3671 ACTION_POWEROFF,
3672 ACTION_REBOOT);
3673 if (termination_action && arg_force >= 2)
3674 return halt_now(a);
3675
3676 if (arg_force >= 1 &&
3677 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3678 r = trivial_method(argc, argv, userdata);
3679 else {
3680 /* First try logind, to allow authentication with polkit */
3681 if (IN_SET(a,
3682 ACTION_POWEROFF,
3683 ACTION_REBOOT,
3684 ACTION_HALT,
3685 ACTION_SUSPEND,
3686 ACTION_HIBERNATE,
3687 ACTION_HYBRID_SLEEP,
3688 ACTION_SUSPEND_THEN_HIBERNATE)) {
3689
3690 r = logind_reboot(a);
3691 if (r >= 0)
3692 return r;
3693 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3694 /* requested operation is not supported or already in progress */
3695 return r;
3696
3697 /* On all other errors, try low-level operation. In order to minimize the difference between
3698 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3699 * logind's shutdown operations are always non-blocking. */
3700
3701 arg_no_block = true;
3702
3703 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3704 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3705 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3706 arg_no_block = true;
3707
3708 r = start_unit(argc, argv, userdata);
3709 }
3710
3711 if (termination_action && arg_force < 2 &&
3712 IN_SET(r, -ENOENT, -ETIMEDOUT))
3713 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3714
3715 return r;
3716 }
3717
3718 static int start_system_special(int argc, char *argv[], void *userdata) {
3719 /* Like start_special above, but raises an error when running in user mode */
3720
3721 if (arg_scope != UNIT_FILE_SYSTEM)
3722 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3723 "Bad action for %s mode.",
3724 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3725
3726 return start_special(argc, argv, userdata);
3727 }
3728
3729 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3730 _cleanup_strv_free_ char **names = NULL;
3731 UnitActiveState active_state;
3732 sd_bus *bus;
3733 char **name;
3734 int r, i;
3735 bool found = false;
3736
3737 r = acquire_bus(BUS_MANAGER, &bus);
3738 if (r < 0)
3739 return r;
3740
3741 r = expand_names(bus, args, NULL, &names, NULL);
3742 if (r < 0)
3743 return log_error_errno(r, "Failed to expand names: %m");
3744
3745 STRV_FOREACH(name, names) {
3746 r = get_state_one_unit(bus, *name, &active_state);
3747 if (r < 0)
3748 return r;
3749
3750 if (!arg_quiet)
3751 puts(unit_active_state_to_string(active_state));
3752
3753 for (i = 0; i < nb_states; ++i)
3754 if (good_states[i] == active_state)
3755 found = true;
3756 }
3757
3758 /* use the given return code for the case that we won't find
3759 * any unit which matches the list */
3760 return found ? 0 : code;
3761 }
3762
3763 static int check_unit_active(int argc, char *argv[], void *userdata) {
3764 static const UnitActiveState states[] = {
3765 UNIT_ACTIVE,
3766 UNIT_RELOADING,
3767 };
3768
3769 /* According to LSB: 3, "program is not running" */
3770 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3771 }
3772
3773 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3774 static const UnitActiveState states[] = {
3775 UNIT_FAILED,
3776 };
3777
3778 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3779 }
3780
3781 static int kill_unit(int argc, char *argv[], void *userdata) {
3782 _cleanup_strv_free_ char **names = NULL;
3783 char *kill_who = NULL, **name;
3784 sd_bus *bus;
3785 int r, q;
3786
3787 r = acquire_bus(BUS_MANAGER, &bus);
3788 if (r < 0)
3789 return r;
3790
3791 polkit_agent_open_maybe();
3792
3793 if (!arg_kill_who)
3794 arg_kill_who = "all";
3795
3796 /* --fail was specified */
3797 if (streq(arg_job_mode, "fail"))
3798 kill_who = strjoina(arg_kill_who, "-fail");
3799
3800 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3801 if (r < 0)
3802 return log_error_errno(r, "Failed to expand names: %m");
3803
3804 STRV_FOREACH(name, names) {
3805 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3806
3807 q = sd_bus_call_method(
3808 bus,
3809 "org.freedesktop.systemd1",
3810 "/org/freedesktop/systemd1",
3811 "org.freedesktop.systemd1.Manager",
3812 "KillUnit",
3813 &error,
3814 NULL,
3815 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3816 if (q < 0) {
3817 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3818 if (r == 0)
3819 r = q;
3820 }
3821 }
3822
3823 return r;
3824 }
3825
3826 static int clean_unit(int argc, char *argv[], void *userdata) {
3827 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3828 _cleanup_strv_free_ char **names = NULL;
3829 int r, ret = EXIT_SUCCESS;
3830 char **name;
3831 sd_bus *bus;
3832
3833 r = acquire_bus(BUS_FULL, &bus);
3834 if (r < 0)
3835 return r;
3836
3837 polkit_agent_open_maybe();
3838
3839 if (!arg_clean_what) {
3840 arg_clean_what = strv_new("cache", "runtime");
3841 if (!arg_clean_what)
3842 return log_oom();
3843 }
3844
3845 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3846 if (r < 0)
3847 return log_error_errno(r, "Failed to expand names: %m");
3848
3849 if (!arg_no_block) {
3850 r = bus_wait_for_units_new(bus, &w);
3851 if (r < 0)
3852 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3853 }
3854
3855 STRV_FOREACH(name, names) {
3856 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3857 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3858
3859 if (w) {
3860 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3861 r = sd_bus_call_method(
3862 bus,
3863 "org.freedesktop.systemd1",
3864 "/org/freedesktop/systemd1",
3865 "org.freedesktop.systemd1.Manager",
3866 "RefUnit",
3867 &error,
3868 NULL,
3869 "s", *name);
3870 if (r < 0) {
3871 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3872 if (ret == EXIT_SUCCESS)
3873 ret = r;
3874 continue;
3875 }
3876 }
3877
3878 r = sd_bus_message_new_method_call(
3879 bus,
3880 &m,
3881 "org.freedesktop.systemd1",
3882 "/org/freedesktop/systemd1",
3883 "org.freedesktop.systemd1.Manager",
3884 "CleanUnit");
3885 if (r < 0)
3886 return bus_log_create_error(r);
3887
3888 r = sd_bus_message_append(m, "s", *name);
3889 if (r < 0)
3890 return bus_log_create_error(r);
3891
3892 r = sd_bus_message_append_strv(m, arg_clean_what);
3893 if (r < 0)
3894 return bus_log_create_error(r);
3895
3896 r = sd_bus_call(bus, m, 0, &error, NULL);
3897 if (r < 0) {
3898 log_error_errno(r, "Failed to clean unit %s: %s", *name, bus_error_message(&error, r));
3899 if (ret == EXIT_SUCCESS) {
3900 ret = r;
3901 continue;
3902 }
3903 }
3904
3905 if (w) {
3906 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3907 if (r < 0)
3908 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3909 }
3910 }
3911
3912 r = bus_wait_for_units_run(w);
3913 if (r < 0)
3914 return log_error_errno(r, "Failed to wait for units: %m");
3915 if (r == BUS_WAIT_FAILURE)
3916 ret = EXIT_FAILURE;
3917
3918 return ret;
3919 }
3920
3921 typedef struct ExecStatusInfo {
3922 char *name;
3923
3924 char *path;
3925 char **argv;
3926
3927 bool ignore;
3928
3929 usec_t start_timestamp;
3930 usec_t exit_timestamp;
3931 pid_t pid;
3932 int code;
3933 int status;
3934
3935 ExecCommandFlags flags;
3936
3937 LIST_FIELDS(struct ExecStatusInfo, exec);
3938 } ExecStatusInfo;
3939
3940 static void exec_status_info_free(ExecStatusInfo *i) {
3941 assert(i);
3942
3943 free(i->name);
3944 free(i->path);
3945 strv_free(i->argv);
3946 free(i);
3947 }
3948
3949 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3950 _cleanup_strv_free_ char **ex_opts = NULL;
3951 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3952 const char *path;
3953 uint32_t pid;
3954 int32_t code, status;
3955 int ignore, r;
3956
3957 assert(m);
3958 assert(i);
3959
3960 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3961 if (r < 0)
3962 return bus_log_parse_error(r);
3963 else if (r == 0)
3964 return 0;
3965
3966 r = sd_bus_message_read(m, "s", &path);
3967 if (r < 0)
3968 return bus_log_parse_error(r);
3969
3970 i->path = strdup(path);
3971 if (!i->path)
3972 return log_oom();
3973
3974 r = sd_bus_message_read_strv(m, &i->argv);
3975 if (r < 0)
3976 return bus_log_parse_error(r);
3977
3978 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3979 if (r < 0)
3980 return bus_log_parse_error(r);
3981
3982 r = sd_bus_message_read(m,
3983 "ttttuii",
3984 &start_timestamp, &start_timestamp_monotonic,
3985 &exit_timestamp, &exit_timestamp_monotonic,
3986 &pid,
3987 &code, &status);
3988 if (r < 0)
3989 return bus_log_parse_error(r);
3990
3991 if (is_ex_prop) {
3992 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3993 if (r < 0)
3994 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3995
3996 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3997 } else
3998 i->ignore = ignore;
3999
4000 i->start_timestamp = (usec_t) start_timestamp;
4001 i->exit_timestamp = (usec_t) exit_timestamp;
4002 i->pid = (pid_t) pid;
4003 i->code = code;
4004 i->status = status;
4005
4006 r = sd_bus_message_exit_container(m);
4007 if (r < 0)
4008 return bus_log_parse_error(r);
4009
4010 return 1;
4011 }
4012
4013 typedef struct UnitCondition {
4014 char *name;
4015 char *param;
4016 bool trigger;
4017 bool negate;
4018 int tristate;
4019
4020 LIST_FIELDS(struct UnitCondition, conditions);
4021 } UnitCondition;
4022
4023 static void unit_condition_free(UnitCondition *c) {
4024 if (!c)
4025 return;
4026
4027 free(c->name);
4028 free(c->param);
4029 free(c);
4030 }
4031
4032 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4033
4034 typedef struct UnitStatusInfo {
4035 const char *id;
4036 const char *load_state;
4037 const char *active_state;
4038 const char *sub_state;
4039 const char *unit_file_state;
4040 const char *unit_file_preset;
4041
4042 const char *description;
4043 const char *following;
4044
4045 char **documentation;
4046
4047 const char *fragment_path;
4048 const char *source_path;
4049 const char *control_group;
4050
4051 char **dropin_paths;
4052
4053 const char *load_error;
4054 const char *result;
4055
4056 usec_t inactive_exit_timestamp;
4057 usec_t inactive_exit_timestamp_monotonic;
4058 usec_t active_enter_timestamp;
4059 usec_t active_exit_timestamp;
4060 usec_t inactive_enter_timestamp;
4061
4062 bool need_daemon_reload;
4063 bool transient;
4064
4065 /* Service */
4066 pid_t main_pid;
4067 pid_t control_pid;
4068 const char *status_text;
4069 const char *pid_file;
4070 bool running:1;
4071 int status_errno;
4072
4073 usec_t start_timestamp;
4074 usec_t exit_timestamp;
4075
4076 int exit_code, exit_status;
4077
4078 usec_t condition_timestamp;
4079 bool condition_result;
4080 LIST_HEAD(UnitCondition, conditions);
4081
4082 usec_t assert_timestamp;
4083 bool assert_result;
4084 bool failed_assert_trigger;
4085 bool failed_assert_negate;
4086 const char *failed_assert;
4087 const char *failed_assert_parameter;
4088 usec_t next_elapse_real;
4089 usec_t next_elapse_monotonic;
4090
4091 /* Socket */
4092 unsigned n_accepted;
4093 unsigned n_connections;
4094 unsigned n_refused;
4095 bool accept;
4096
4097 /* Pairs of type, path */
4098 char **listen;
4099
4100 /* Device */
4101 const char *sysfs_path;
4102
4103 /* Mount, Automount */
4104 const char *where;
4105
4106 /* Swap */
4107 const char *what;
4108
4109 /* CGroup */
4110 uint64_t memory_current;
4111 uint64_t memory_min;
4112 uint64_t memory_low;
4113 uint64_t memory_high;
4114 uint64_t memory_max;
4115 uint64_t memory_swap_max;
4116 uint64_t memory_limit;
4117 uint64_t cpu_usage_nsec;
4118 uint64_t tasks_current;
4119 uint64_t tasks_max;
4120 uint64_t ip_ingress_bytes;
4121 uint64_t ip_egress_bytes;
4122 uint64_t io_read_bytes;
4123 uint64_t io_write_bytes;
4124
4125 uint64_t default_memory_min;
4126 uint64_t default_memory_low;
4127
4128 LIST_HEAD(ExecStatusInfo, exec);
4129 } UnitStatusInfo;
4130
4131 static void unit_status_info_free(UnitStatusInfo *info) {
4132 ExecStatusInfo *p;
4133 UnitCondition *c;
4134
4135 strv_free(info->documentation);
4136 strv_free(info->dropin_paths);
4137 strv_free(info->listen);
4138
4139 while ((c = info->conditions)) {
4140 LIST_REMOVE(conditions, info->conditions, c);
4141 unit_condition_free(c);
4142 }
4143
4144 while ((p = info->exec)) {
4145 LIST_REMOVE(exec, info->exec, p);
4146 exec_status_info_free(p);
4147 }
4148 }
4149
4150 static void print_status_info(
4151 sd_bus *bus,
4152 UnitStatusInfo *i,
4153 bool *ellipsized) {
4154
4155 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4156 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4157 _cleanup_free_ char *formatted_path = NULL;
4158 ExecStatusInfo *p;
4159 usec_t timestamp;
4160 const char *path;
4161 char **t, **t2;
4162 int r;
4163
4164 assert(i);
4165
4166 /* This shows pretty information about a unit. See
4167 * print_property() for a low-level property printer */
4168
4169 if (streq_ptr(i->active_state, "failed")) {
4170 active_on = ansi_highlight_red();
4171 active_off = ansi_normal();
4172 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4173 active_on = ansi_highlight_green();
4174 active_off = ansi_normal();
4175 } else
4176 active_on = active_off = "";
4177
4178 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4179
4180 if (i->description && !streq_ptr(i->id, i->description))
4181 printf(" - %s", i->description);
4182
4183 printf("\n");
4184
4185 if (i->following)
4186 printf(" Follow: unit currently follows state of %s\n", i->following);
4187
4188 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4189 on = ansi_highlight_red();
4190 off = ansi_normal();
4191 } else
4192 on = off = "";
4193
4194 path = i->source_path ?: i->fragment_path;
4195 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4196 path = formatted_path;
4197
4198 if (!isempty(i->load_error))
4199 printf(" Loaded: %s%s%s (Reason: %s)\n",
4200 on, strna(i->load_state), off, i->load_error);
4201 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4202 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4203 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4204 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4205 else if (path && !isempty(i->unit_file_state))
4206 printf(" Loaded: %s%s%s (%s; %s)\n",
4207 on, strna(i->load_state), off, path, i->unit_file_state);
4208 else if (path)
4209 printf(" Loaded: %s%s%s (%s)\n",
4210 on, strna(i->load_state), off, path);
4211 else
4212 printf(" Loaded: %s%s%s\n",
4213 on, strna(i->load_state), off);
4214
4215 if (i->transient)
4216 printf("Transient: yes\n");
4217
4218 if (!strv_isempty(i->dropin_paths)) {
4219 _cleanup_free_ char *dir = NULL;
4220 bool last = false;
4221 char ** dropin;
4222
4223 STRV_FOREACH(dropin, i->dropin_paths) {
4224 _cleanup_free_ char *dropin_formatted = NULL;
4225 const char *df;
4226
4227 if (!dir || last) {
4228 printf(dir ? " " :
4229 " Drop-In: ");
4230
4231 dir = mfree(dir);
4232
4233 dir = dirname_malloc(*dropin);
4234 if (!dir) {
4235 log_oom();
4236 return;
4237 }
4238
4239 printf("%s\n"
4240 " %s", dir,
4241 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4242 }
4243
4244 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4245
4246 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4247 df = dropin_formatted;
4248 else
4249 df = *dropin;
4250
4251 printf("%s%s", df, last ? "\n" : ", ");
4252 }
4253 }
4254
4255 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4256 if (ss)
4257 printf(" Active: %s%s (%s)%s",
4258 active_on, strna(i->active_state), ss, active_off);
4259 else
4260 printf(" Active: %s%s%s",
4261 active_on, strna(i->active_state), active_off);
4262
4263 if (!isempty(i->result) && !streq(i->result, "success"))
4264 printf(" (Result: %s)", i->result);
4265
4266 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4267 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4268 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4269 i->active_exit_timestamp;
4270
4271 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4272 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4273
4274 if (s1)
4275 printf(" since %s; %s\n", s2, s1);
4276 else if (s2)
4277 printf(" since %s\n", s2);
4278 else
4279 printf("\n");
4280
4281 if (endswith(i->id, ".timer")) {
4282 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4283 tstamp2[FORMAT_TIMESTAMP_MAX];
4284 const char *next_rel_time, *next_time;
4285 dual_timestamp nw, next = {i->next_elapse_real,
4286 i->next_elapse_monotonic};
4287 usec_t next_elapse;
4288
4289 printf(" Trigger: ");
4290
4291 dual_timestamp_get(&nw);
4292 next_elapse = calc_next_elapse(&nw, &next);
4293 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4294 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4295
4296 if (next_time && next_rel_time)
4297 printf("%s; %s\n", next_time, next_rel_time);
4298 else
4299 printf("n/a\n");
4300 }
4301
4302 if (!i->condition_result && i->condition_timestamp > 0) {
4303 UnitCondition *c;
4304 int n = 0;
4305
4306 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4307 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4308
4309 printf("Condition: start %scondition failed%s at %s%s%s\n",
4310 ansi_highlight_yellow(), ansi_normal(),
4311 s2, s1 ? "; " : "", strempty(s1));
4312
4313 LIST_FOREACH(conditions, c, i->conditions)
4314 if (c->tristate < 0)
4315 n++;
4316
4317 LIST_FOREACH(conditions, c, i->conditions)
4318 if (c->tristate < 0)
4319 printf(" %s %s=%s%s%s was not met\n",
4320 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4321 c->name,
4322 c->trigger ? "|" : "",
4323 c->negate ? "!" : "",
4324 c->param);
4325 }
4326
4327 if (!i->assert_result && i->assert_timestamp > 0) {
4328 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4329 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4330
4331 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4332 ansi_highlight_red(), ansi_normal(),
4333 s2, s1 ? "; " : "", strempty(s1));
4334 if (i->failed_assert_trigger)
4335 printf(" none of the trigger assertions were met\n");
4336 else if (i->failed_assert)
4337 printf(" %s=%s%s was not met\n",
4338 i->failed_assert,
4339 i->failed_assert_negate ? "!" : "",
4340 i->failed_assert_parameter);
4341 }
4342
4343 if (i->sysfs_path)
4344 printf(" Device: %s\n", i->sysfs_path);
4345 if (i->where)
4346 printf(" Where: %s\n", i->where);
4347 if (i->what)
4348 printf(" What: %s\n", i->what);
4349
4350 STRV_FOREACH(t, i->documentation) {
4351 _cleanup_free_ char *formatted = NULL;
4352 const char *q;
4353
4354 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4355 q = formatted;
4356 else
4357 q = *t;
4358
4359 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4360 }
4361
4362 STRV_FOREACH_PAIR(t, t2, i->listen)
4363 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4364
4365 if (i->accept) {
4366 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4367 if (i->n_refused)
4368 printf(" Refused: %u", i->n_refused);
4369 printf("\n");
4370 }
4371
4372 LIST_FOREACH(exec, p, i->exec) {
4373 _cleanup_free_ char *argv = NULL;
4374 bool good;
4375
4376 /* Only show exited processes here */
4377 if (p->code == 0)
4378 continue;
4379
4380 /* Don't print ExecXYZEx= properties here since it will appear as a
4381 * duplicate of the non-Ex= variant. */
4382 if (endswith(p->name, "Ex"))
4383 continue;
4384
4385 argv = strv_join(p->argv, " ");
4386 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4387
4388 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4389 if (!good) {
4390 on = ansi_highlight_red();
4391 off = ansi_normal();
4392 } else
4393 on = off = "";
4394
4395 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4396
4397 if (p->code == CLD_EXITED) {
4398 const char *c;
4399
4400 printf("status=%i", p->status);
4401
4402 c = exit_status_to_string(p->status, EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4403 if (c)
4404 printf("/%s", c);
4405
4406 } else
4407 printf("signal=%s", signal_to_string(p->status));
4408
4409 printf(")%s\n", off);
4410
4411 if (i->main_pid == p->pid &&
4412 i->start_timestamp == p->start_timestamp &&
4413 i->exit_timestamp == p->start_timestamp)
4414 /* Let's not show this twice */
4415 i->main_pid = 0;
4416
4417 if (p->pid == i->control_pid)
4418 i->control_pid = 0;
4419 }
4420
4421 if (i->main_pid > 0 || i->control_pid > 0) {
4422 if (i->main_pid > 0) {
4423 printf(" Main PID: "PID_FMT, i->main_pid);
4424
4425 if (i->running) {
4426
4427 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4428 _cleanup_free_ char *comm = NULL;
4429
4430 (void) get_process_comm(i->main_pid, &comm);
4431 if (comm)
4432 printf(" (%s)", comm);
4433 }
4434
4435 } else if (i->exit_code > 0) {
4436 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4437
4438 if (i->exit_code == CLD_EXITED) {
4439 const char *c;
4440
4441 printf("status=%i", i->exit_status);
4442
4443 c = exit_status_to_string(i->exit_status,
4444 EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4445 if (c)
4446 printf("/%s", c);
4447
4448 } else
4449 printf("signal=%s", signal_to_string(i->exit_status));
4450 printf(")");
4451 }
4452 }
4453
4454 if (i->control_pid > 0) {
4455 _cleanup_free_ char *c = NULL;
4456
4457 if (i->main_pid > 0)
4458 fputs("; Control PID: ", stdout);
4459 else
4460 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4461
4462 printf(PID_FMT, i->control_pid);
4463
4464 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4465 (void) get_process_comm(i->control_pid, &c);
4466 if (c)
4467 printf(" (%s)", c);
4468 }
4469 }
4470
4471 printf("\n");
4472 }
4473
4474 if (i->status_text)
4475 printf(" Status: \"%s\"\n", i->status_text);
4476 if (i->status_errno > 0)
4477 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4478
4479 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4480 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4481
4482 printf(" IP: %s in, %s out\n",
4483 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4484 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4485 }
4486
4487 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4488 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4489
4490 printf(" IO: %s read, %s written\n",
4491 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4492 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4493 }
4494
4495 if (i->tasks_current != (uint64_t) -1) {
4496 printf(" Tasks: %" PRIu64, i->tasks_current);
4497
4498 if (i->tasks_max != (uint64_t) -1)
4499 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4500 else
4501 printf("\n");
4502 }
4503
4504 if (i->memory_current != (uint64_t) -1) {
4505 char buf[FORMAT_BYTES_MAX];
4506
4507 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4508
4509 if (i->memory_min > 0 || i->memory_low > 0 ||
4510 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4511 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4512 i->memory_limit != CGROUP_LIMIT_MAX) {
4513 const char *prefix = "";
4514
4515 printf(" (");
4516 if (i->memory_min > 0) {
4517 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4518 prefix = " ";
4519 }
4520 if (i->memory_low > 0) {
4521 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4522 prefix = " ";
4523 }
4524 if (i->memory_high != CGROUP_LIMIT_MAX) {
4525 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4526 prefix = " ";
4527 }
4528 if (i->memory_max != CGROUP_LIMIT_MAX) {
4529 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4530 prefix = " ";
4531 }
4532 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4533 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4534 prefix = " ";
4535 }
4536 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4537 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4538 prefix = " ";
4539 }
4540 printf(")");
4541 }
4542 printf("\n");
4543 }
4544
4545 if (i->cpu_usage_nsec != (uint64_t) -1) {
4546 char buf[FORMAT_TIMESPAN_MAX];
4547 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4548 }
4549
4550 if (i->control_group) {
4551 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4552 static const char prefix[] = " ";
4553 unsigned c;
4554
4555 printf(" CGroup: %s\n", i->control_group);
4556
4557 c = columns();
4558 if (c > sizeof(prefix) - 1)
4559 c -= sizeof(prefix) - 1;
4560 else
4561 c = 0;
4562
4563 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4564 if (r == -EBADR) {
4565 unsigned k = 0;
4566 pid_t extra[2];
4567
4568 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4569
4570 if (i->main_pid > 0)
4571 extra[k++] = i->main_pid;
4572
4573 if (i->control_pid > 0)
4574 extra[k++] = i->control_pid;
4575
4576 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4577 } else if (r < 0)
4578 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4579 i->id, bus_error_message(&error, r));
4580 }
4581
4582 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4583 show_journal_by_unit(
4584 stdout,
4585 i->id,
4586 arg_output,
4587 0,
4588 i->inactive_exit_timestamp_monotonic,
4589 arg_lines,
4590 getuid(),
4591 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4592 SD_JOURNAL_LOCAL_ONLY,
4593 arg_scope == UNIT_FILE_SYSTEM,
4594 ellipsized);
4595
4596 if (i->need_daemon_reload)
4597 warn_unit_file_changed(i->id);
4598 }
4599
4600 static void show_unit_help(UnitStatusInfo *i) {
4601 char **p;
4602
4603 assert(i);
4604
4605 if (!i->documentation) {
4606 log_info("Documentation for %s not known.", i->id);
4607 return;
4608 }
4609
4610 STRV_FOREACH(p, i->documentation)
4611 if (startswith(*p, "man:"))
4612 show_man_page(*p + 4, false);
4613 else
4614 log_info("Can't show: %s", *p);
4615 }
4616
4617 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4618 UnitStatusInfo *i = userdata;
4619 uint32_t u;
4620 int r;
4621
4622 r = sd_bus_message_read(m, "u", &u);
4623 if (r < 0)
4624 return r;
4625
4626 i->main_pid = (pid_t) u;
4627 i->running = u > 0;
4628
4629 return 0;
4630 }
4631
4632 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4633 const char *message, **p = userdata;
4634 int r;
4635
4636 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4637 if (r < 0)
4638 return r;
4639
4640 if (!isempty(message))
4641 *p = message;
4642
4643 return 0;
4644 }
4645
4646 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4647 const char *type, *path;
4648 char ***p = userdata;
4649 int r;
4650
4651 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4652 if (r < 0)
4653 return r;
4654
4655 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4656
4657 r = strv_extend(p, type);
4658 if (r < 0)
4659 return r;
4660
4661 r = strv_extend(p, path);
4662 if (r < 0)
4663 return r;
4664 }
4665 if (r < 0)
4666 return r;
4667
4668 r = sd_bus_message_exit_container(m);
4669 if (r < 0)
4670 return r;
4671
4672 return 0;
4673 }
4674
4675 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4676 UnitStatusInfo *i = userdata;
4677 const char *cond, *param;
4678 int trigger, negate;
4679 int32_t state;
4680 int r;
4681
4682 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4683 if (r < 0)
4684 return r;
4685
4686 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4687 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4688
4689 c = new(UnitCondition, 1);
4690 if (!c)
4691 return -ENOMEM;
4692
4693 *c = (UnitCondition) {
4694 .name = strdup(cond),
4695 .param = strdup(param),
4696 .trigger = trigger,
4697 .negate = negate,
4698 .tristate = state,
4699 };
4700
4701 if (!c->name || !c->param)
4702 return -ENOMEM;
4703
4704 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4705 }
4706 if (r < 0)
4707 return r;
4708
4709 r = sd_bus_message_exit_container(m);
4710 if (r < 0)
4711 return r;
4712
4713 return 0;
4714 }
4715
4716 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4717 UnitStatusInfo *i = userdata;
4718 const char *cond, *param;
4719 int trigger, negate;
4720 int32_t state;
4721 int r;
4722
4723 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4724 if (r < 0)
4725 return r;
4726
4727 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4728 if (state < 0 && (!trigger || !i->failed_assert)) {
4729 i->failed_assert = cond;
4730 i->failed_assert_trigger = trigger;
4731 i->failed_assert_negate = negate;
4732 i->failed_assert_parameter = param;
4733 }
4734 }
4735 if (r < 0)
4736 return r;
4737
4738 r = sd_bus_message_exit_container(m);
4739 if (r < 0)
4740 return r;
4741
4742 return 0;
4743 }
4744
4745 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4746 _cleanup_free_ ExecStatusInfo *info = NULL;
4747 ExecStatusInfo *last;
4748 UnitStatusInfo *i = userdata;
4749 bool is_ex_prop = endswith(member, "Ex");
4750 int r;
4751
4752 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4753 if (r < 0)
4754 return r;
4755
4756 info = new0(ExecStatusInfo, 1);
4757 if (!info)
4758 return -ENOMEM;
4759
4760 LIST_FIND_TAIL(exec, i->exec, last);
4761
4762 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4763
4764 info->name = strdup(member);
4765 if (!info->name)
4766 return -ENOMEM;
4767
4768 LIST_INSERT_AFTER(exec, i->exec, last, info);
4769 last = info;
4770
4771 info = new0(ExecStatusInfo, 1);
4772 if (!info)
4773 return -ENOMEM;
4774 }
4775 if (r < 0)
4776 return r;
4777
4778 r = sd_bus_message_exit_container(m);
4779 if (r < 0)
4780 return r;
4781
4782 return 0;
4783 }
4784
4785 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4786 char bus_type;
4787 const char *contents;
4788 int r;
4789
4790 assert(name);
4791 assert(m);
4792
4793 /* This is a low-level property printer, see
4794 * print_status_info() for the nicer output */
4795
4796 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4797 if (r < 0)
4798 return r;
4799
4800 switch (bus_type) {
4801
4802 case SD_BUS_TYPE_INT32:
4803 if (endswith(name, "ActionExitStatus")) {
4804 int32_t i;
4805
4806 r = sd_bus_message_read_basic(m, bus_type, &i);
4807 if (r < 0)
4808 return r;
4809
4810 if (i >= 0 && i <= 255)
4811 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4812 else if (all)
4813 bus_print_property_value(name, expected_value, value, "[not set]");
4814
4815 return 1;
4816 } else if (streq(name, "NUMAPolicy")) {
4817 int32_t i;
4818
4819 r = sd_bus_message_read_basic(m, bus_type, &i);
4820 if (r < 0)
4821 return r;
4822
4823 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4824
4825 return 1;
4826 }
4827 break;
4828
4829 case SD_BUS_TYPE_STRUCT:
4830
4831 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4832 uint32_t u;
4833
4834 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4835 if (r < 0)
4836 return bus_log_parse_error(r);
4837
4838 if (u > 0)
4839 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4840 else if (all)
4841 bus_print_property_value(name, expected_value, value, "");
4842
4843 return 1;
4844
4845 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4846 const char *s;
4847
4848 r = sd_bus_message_read(m, "(so)", &s, NULL);
4849 if (r < 0)
4850 return bus_log_parse_error(r);
4851
4852 if (all || !isempty(s))
4853 bus_print_property_value(name, expected_value, value, s);
4854
4855 return 1;
4856
4857 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4858 const char *a = NULL, *b = NULL;
4859
4860 r = sd_bus_message_read(m, "(ss)", &a, &b);
4861 if (r < 0)
4862 return bus_log_parse_error(r);
4863
4864 if (!isempty(a) || !isempty(b))
4865 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4866 else if (all)
4867 bus_print_property_value(name, expected_value, value, "");
4868
4869 return 1;
4870
4871 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4872 _cleanup_strv_free_ char **l = NULL;
4873 int whitelist;
4874
4875 r = sd_bus_message_enter_container(m, 'r', "bas");
4876 if (r < 0)
4877 return bus_log_parse_error(r);
4878
4879 r = sd_bus_message_read(m, "b", &whitelist);
4880 if (r < 0)
4881 return bus_log_parse_error(r);
4882
4883 r = sd_bus_message_read_strv(m, &l);
4884 if (r < 0)
4885 return bus_log_parse_error(r);
4886
4887 r = sd_bus_message_exit_container(m);
4888 if (r < 0)
4889 return bus_log_parse_error(r);
4890
4891 if (all || whitelist || !strv_isempty(l)) {
4892 bool first = true;
4893 char **i;
4894
4895 if (!value) {
4896 fputs(name, stdout);
4897 fputc('=', stdout);
4898 }
4899
4900 if (!whitelist)
4901 fputc('~', stdout);
4902
4903 STRV_FOREACH(i, l) {
4904 if (first)
4905 first = false;
4906 else
4907 fputc(' ', stdout);
4908
4909 fputs(*i, stdout);
4910 }
4911 fputc('\n', stdout);
4912 }
4913
4914 return 1;
4915
4916 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4917 int ignore;
4918 const char *s;
4919
4920 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4921 if (r < 0)
4922 return bus_log_parse_error(r);
4923
4924 if (!isempty(s))
4925 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4926 else if (all)
4927 bus_print_property_value(name, expected_value, value, "");
4928
4929 return 1;
4930
4931 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4932 const int32_t *status, *signal;
4933 size_t n_status, n_signal, i;
4934
4935 r = sd_bus_message_enter_container(m, 'r', "aiai");
4936 if (r < 0)
4937 return bus_log_parse_error(r);
4938
4939 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status);
4940 if (r < 0)
4941 return bus_log_parse_error(r);
4942
4943 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal);
4944 if (r < 0)
4945 return bus_log_parse_error(r);
4946
4947 r = sd_bus_message_exit_container(m);
4948 if (r < 0)
4949 return bus_log_parse_error(r);
4950
4951 n_status /= sizeof(int32_t);
4952 n_signal /= sizeof(int32_t);
4953
4954 if (all || n_status > 0 || n_signal > 0) {
4955 bool first = true;
4956
4957 if (!value) {
4958 fputs(name, stdout);
4959 fputc('=', stdout);
4960 }
4961
4962 for (i = 0; i < n_status; i++) {
4963 if (first)
4964 first = false;
4965 else
4966 fputc(' ', stdout);
4967
4968 printf("%"PRIi32, status[i]);
4969 }
4970
4971 for (i = 0; i < n_signal; i++) {
4972 const char *str;
4973
4974 str = signal_to_string((int) signal[i]);
4975
4976 if (first)
4977 first = false;
4978 else
4979 fputc(' ', stdout);
4980
4981 if (str)
4982 fputs(str, stdout);
4983 else
4984 printf("%"PRIi32, status[i]);
4985 }
4986
4987 fputc('\n', stdout);
4988 }
4989 return 1;
4990 }
4991
4992 break;
4993
4994 case SD_BUS_TYPE_ARRAY:
4995
4996 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4997 const char *path;
4998 int ignore;
4999
5000 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
5001 if (r < 0)
5002 return bus_log_parse_error(r);
5003
5004 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
5005 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
5006
5007 if (r < 0)
5008 return bus_log_parse_error(r);
5009
5010 r = sd_bus_message_exit_container(m);
5011 if (r < 0)
5012 return bus_log_parse_error(r);
5013
5014 return 1;
5015
5016 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
5017 const char *type, *path;
5018
5019 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5020 if (r < 0)
5021 return bus_log_parse_error(r);
5022
5023 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5024 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5025 if (r < 0)
5026 return bus_log_parse_error(r);
5027
5028 r = sd_bus_message_exit_container(m);
5029 if (r < 0)
5030 return bus_log_parse_error(r);
5031
5032 return 1;
5033
5034 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5035 const char *type, *path;
5036
5037 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5038 if (r < 0)
5039 return bus_log_parse_error(r);
5040
5041 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5042 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5043 if (r < 0)
5044 return bus_log_parse_error(r);
5045
5046 r = sd_bus_message_exit_container(m);
5047 if (r < 0)
5048 return bus_log_parse_error(r);
5049
5050 return 1;
5051
5052 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5053 const char *base;
5054 uint64_t v, next_elapse;
5055
5056 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5057 if (r < 0)
5058 return bus_log_parse_error(r);
5059
5060 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5061 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5062
5063 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5064 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5065
5066 bus_print_property_valuef(name, expected_value, value,
5067 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5068 }
5069 if (r < 0)
5070 return bus_log_parse_error(r);
5071
5072 r = sd_bus_message_exit_container(m);
5073 if (r < 0)
5074 return bus_log_parse_error(r);
5075
5076 return 1;
5077
5078 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5079 const char *base, *spec;
5080 uint64_t next_elapse;
5081
5082 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5083 if (r < 0)
5084 return bus_log_parse_error(r);
5085
5086 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5087 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5088
5089 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5090 bus_print_property_valuef(name, expected_value, value,
5091 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5092 }
5093 if (r < 0)
5094 return bus_log_parse_error(r);
5095
5096 r = sd_bus_message_exit_container(m);
5097 if (r < 0)
5098 return bus_log_parse_error(r);
5099
5100 return 1;
5101
5102 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5103 ExecStatusInfo info = {};
5104 bool is_ex_prop = endswith(name, "Ex");
5105
5106 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5107 if (r < 0)
5108 return bus_log_parse_error(r);
5109
5110 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5111 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5112 _cleanup_strv_free_ char **optv = NULL;
5113 _cleanup_free_ char *tt, *o = NULL;
5114
5115 tt = strv_join(info.argv, " ");
5116
5117 if (is_ex_prop) {
5118 r = exec_command_flags_to_strv(info.flags, &optv);
5119 if (r < 0)
5120 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5121
5122 o = strv_join(optv, " ");
5123
5124 bus_print_property_valuef(name, expected_value, value,
5125 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5126 strna(info.path),
5127 strna(tt),
5128 strna(o),
5129 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5130 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5131 info.pid,
5132 sigchld_code_to_string(info.code),
5133 info.status,
5134 info.code == CLD_EXITED ? "" : "/",
5135 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5136 } else
5137 bus_print_property_valuef(name, expected_value, value,
5138 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5139 strna(info.path),
5140 strna(tt),
5141 yes_no(info.ignore),
5142 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5143 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5144 info.pid,
5145 sigchld_code_to_string(info.code),
5146 info.status,
5147 info.code == CLD_EXITED ? "" : "/",
5148 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5149
5150 free(info.path);
5151 strv_free(info.argv);
5152 zero(info);
5153 }
5154
5155 r = sd_bus_message_exit_container(m);
5156 if (r < 0)
5157 return bus_log_parse_error(r);
5158
5159 return 1;
5160
5161 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5162 const char *path, *rwm;
5163
5164 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5165 if (r < 0)
5166 return bus_log_parse_error(r);
5167
5168 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5169 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5170 if (r < 0)
5171 return bus_log_parse_error(r);
5172
5173 r = sd_bus_message_exit_container(m);
5174 if (r < 0)
5175 return bus_log_parse_error(r);
5176
5177 return 1;
5178
5179 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5180 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5181 const char *path;
5182 uint64_t weight;
5183
5184 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5185 if (r < 0)
5186 return bus_log_parse_error(r);
5187
5188 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5189 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5190 if (r < 0)
5191 return bus_log_parse_error(r);
5192
5193 r = sd_bus_message_exit_container(m);
5194 if (r < 0)
5195 return bus_log_parse_error(r);
5196
5197 return 1;
5198
5199 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5200 (cgroup_io_limit_type_from_string(name) >= 0 ||
5201 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5202 const char *path;
5203 uint64_t bandwidth;
5204
5205 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5206 if (r < 0)
5207 return bus_log_parse_error(r);
5208
5209 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5210 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5211 if (r < 0)
5212 return bus_log_parse_error(r);
5213
5214 r = sd_bus_message_exit_container(m);
5215 if (r < 0)
5216 return bus_log_parse_error(r);
5217
5218 return 1;
5219
5220 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5221 streq(name, "IODeviceLatencyTargetUSec")) {
5222 char ts[FORMAT_TIMESPAN_MAX];
5223 const char *path;
5224 uint64_t target;
5225
5226 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5227 if (r < 0)
5228 return bus_log_parse_error(r);
5229
5230 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5231 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5232 format_timespan(ts, sizeof(ts), target, 1));
5233 if (r < 0)
5234 return bus_log_parse_error(r);
5235
5236 r = sd_bus_message_exit_container(m);
5237 if (r < 0)
5238 return bus_log_parse_error(r);
5239
5240 return 1;
5241
5242 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5243 _cleanup_free_ char *h = NULL;
5244 const void *p;
5245 size_t sz;
5246 ssize_t n;
5247
5248 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5249 if (r < 0)
5250 return bus_log_parse_error(r);
5251
5252 n = base64mem(p, sz, &h);
5253 if (n < 0)
5254 return log_oom();
5255
5256 bus_print_property_value(name, expected_value, value, h);
5257
5258 return 1;
5259
5260 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5261 _cleanup_free_ char *addresses = NULL;
5262
5263 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5264 if (r < 0)
5265 return bus_log_parse_error(r);
5266
5267 for (;;) {
5268 _cleanup_free_ char *str = NULL;
5269 uint32_t prefixlen;
5270 int32_t family;
5271 const void *ap;
5272 size_t an;
5273
5274 r = sd_bus_message_enter_container(m, 'r', "iayu");
5275 if (r < 0)
5276 return bus_log_parse_error(r);
5277 if (r == 0)
5278 break;
5279
5280 r = sd_bus_message_read(m, "i", &family);
5281 if (r < 0)
5282 return bus_log_parse_error(r);
5283
5284 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5285 if (r < 0)
5286 return bus_log_parse_error(r);
5287
5288 r = sd_bus_message_read(m, "u", &prefixlen);
5289 if (r < 0)
5290 return bus_log_parse_error(r);
5291
5292 r = sd_bus_message_exit_container(m);
5293 if (r < 0)
5294 return bus_log_parse_error(r);
5295
5296 if (!IN_SET(family, AF_INET, AF_INET6))
5297 continue;
5298
5299 if (an != FAMILY_ADDRESS_SIZE(family))
5300 continue;
5301
5302 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5303 continue;
5304
5305 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5306 continue;
5307
5308 if (!strextend_with_separator(&addresses, " ", str, NULL))
5309 return log_oom();
5310 }
5311
5312 r = sd_bus_message_exit_container(m);
5313 if (r < 0)
5314 return bus_log_parse_error(r);
5315
5316 if (all || !isempty(addresses))
5317 bus_print_property_value(name, expected_value, value, strempty(addresses));
5318
5319 return 1;
5320
5321 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5322 _cleanup_free_ char *paths = NULL;
5323 const char *source, *dest;
5324 int ignore_enoent;
5325 uint64_t rbind;
5326
5327 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5328 if (r < 0)
5329 return bus_log_parse_error(r);
5330
5331 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5332 _cleanup_free_ char *str = NULL;
5333
5334 if (isempty(source))
5335 continue;
5336
5337 if (asprintf(&str, "%s%s%s%s%s",
5338 ignore_enoent ? "-" : "",
5339 source,
5340 isempty(dest) ? "" : ":",
5341 strempty(dest),
5342 rbind == MS_REC ? ":rbind" : "") < 0)
5343 return log_oom();
5344
5345 if (!strextend_with_separator(&paths, " ", str, NULL))
5346 return log_oom();
5347 }
5348 if (r < 0)
5349 return bus_log_parse_error(r);
5350
5351 r = sd_bus_message_exit_container(m);
5352 if (r < 0)
5353 return bus_log_parse_error(r);
5354
5355 if (all || !isempty(paths))
5356 bus_print_property_value(name, expected_value, value, strempty(paths));
5357
5358 return 1;
5359
5360 } else if (streq(name, "TemporaryFileSystem")) {
5361 _cleanup_free_ char *paths = NULL;
5362 const char *target, *option;
5363
5364 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5365 if (r < 0)
5366 return bus_log_parse_error(r);
5367
5368 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5369 _cleanup_free_ char *str = NULL;
5370
5371 if (isempty(target))
5372 continue;
5373
5374 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5375 return log_oom();
5376
5377 if (!strextend_with_separator(&paths, " ", str, NULL))
5378 return log_oom();
5379 }
5380 if (r < 0)
5381 return bus_log_parse_error(r);
5382
5383 r = sd_bus_message_exit_container(m);
5384 if (r < 0)
5385 return bus_log_parse_error(r);
5386
5387 if (all || !isempty(paths))
5388 bus_print_property_value(name, expected_value, value, strempty(paths));
5389
5390 return 1;
5391
5392 } else if (streq(name, "LogExtraFields")) {
5393 _cleanup_free_ char *fields = NULL;
5394 const void *p;
5395 size_t sz;
5396
5397 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5398 if (r < 0)
5399 return bus_log_parse_error(r);
5400
5401 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5402 _cleanup_free_ char *str = NULL;
5403 const char *eq;
5404
5405 if (memchr(p, 0, sz))
5406 continue;
5407
5408 eq = memchr(p, '=', sz);
5409 if (!eq)
5410 continue;
5411
5412 if (!journal_field_valid(p, eq - (const char*) p, false))
5413 continue;
5414
5415 str = malloc(sz + 1);
5416 if (!str)
5417 return log_oom();
5418
5419 memcpy(str, p, sz);
5420 str[sz] = '\0';
5421
5422 if (!utf8_is_valid(str))
5423 continue;
5424
5425 if (!strextend_with_separator(&fields, " ", str, NULL))
5426 return log_oom();
5427 }
5428 if (r < 0)
5429 return bus_log_parse_error(r);
5430
5431 r = sd_bus_message_exit_container(m);
5432 if (r < 0)
5433 return bus_log_parse_error(r);
5434
5435 if (all || !isempty(fields))
5436 bus_print_property_value(name, expected_value, value, strempty(fields));
5437
5438 return 1;
5439 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask", "AllowedCPUs", "AllowedMemoryNodes", "EffectiveCPUs", "EffectiveMemoryNodes")) {
5440 _cleanup_free_ char *affinity = NULL;
5441 _cleanup_(cpu_set_reset) CPUSet set = {};
5442 const void *a;
5443 size_t n;
5444
5445 r = sd_bus_message_read_array(m, 'y', &a, &n);
5446 if (r < 0)
5447 return bus_log_parse_error(r);
5448
5449 r = cpu_set_from_dbus(a, n, &set);
5450 if (r < 0)
5451 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5452
5453 affinity = cpu_set_to_range_string(&set);
5454 if (!affinity)
5455 return log_oom();
5456
5457 bus_print_property_value(name, expected_value, value, affinity);
5458
5459 return 1;
5460 }
5461
5462 break;
5463 }
5464
5465 return 0;
5466 }
5467
5468 typedef enum SystemctlShowMode{
5469 SYSTEMCTL_SHOW_PROPERTIES,
5470 SYSTEMCTL_SHOW_STATUS,
5471 SYSTEMCTL_SHOW_HELP,
5472 _SYSTEMCTL_SHOW_MODE_MAX,
5473 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5474 } SystemctlShowMode;
5475
5476 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5477 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5478 [SYSTEMCTL_SHOW_STATUS] = "status",
5479 [SYSTEMCTL_SHOW_HELP] = "help",
5480 };
5481
5482 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5483
5484 static int show_one(
5485 sd_bus *bus,
5486 const char *path,
5487 const char *unit,
5488 SystemctlShowMode show_mode,
5489 bool *new_line,
5490 bool *ellipsized) {
5491
5492 static const struct bus_properties_map property_map[] = {
5493 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5494 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5495 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5496 {}
5497 }, status_map[] = {
5498 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5499 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5500 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5501 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5502 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5503 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5504 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5505 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5506 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5507 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5508 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5509 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5510 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5511 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5512 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5513 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5514 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5515 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5516 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5517 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5518 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5519 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5520 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5521 { "MainPID", "u", map_main_pid, 0 },
5522 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5523 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5524 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5525 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5526 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5527 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5528 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5529 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5530 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5531 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5532 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5533 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5534 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5535 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5536 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5537 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5538 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5539 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5540 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5541 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5542 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5543 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5544 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5545 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5546 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5547 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5548 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5549 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5550 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5551 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5552 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5553 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5554 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5555 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5556 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5557 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5558 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5559 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5560 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5561 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5562 { "ExecCondition", "a(sasbttttuii)", map_exec, 0 },
5563 { "ExecConditionEx", "a(sasasttttuii)", map_exec, 0 },
5564 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5565 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5566 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5567 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5568 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5569 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5570 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5571 { "ExecReloadEx", "a(sasasttttuii)", map_exec, 0 },
5572 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5573 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5574 { "ExecStopEx", "a(sasasttttuii)", map_exec, 0 },
5575 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5576 { "ExecStopPostEx", "a(sasasttttuii)", map_exec, 0 },
5577 {}
5578 };
5579
5580 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5581 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5582 _cleanup_set_free_ Set *found_properties = NULL;
5583 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5584 .memory_current = (uint64_t) -1,
5585 .memory_high = CGROUP_LIMIT_MAX,
5586 .memory_max = CGROUP_LIMIT_MAX,
5587 .memory_swap_max = CGROUP_LIMIT_MAX,
5588 .memory_limit = (uint64_t) -1,
5589 .cpu_usage_nsec = (uint64_t) -1,
5590 .tasks_current = (uint64_t) -1,
5591 .tasks_max = (uint64_t) -1,
5592 .ip_ingress_bytes = (uint64_t) -1,
5593 .ip_egress_bytes = (uint64_t) -1,
5594 .io_read_bytes = UINT64_MAX,
5595 .io_write_bytes = UINT64_MAX,
5596 };
5597 char **pp;
5598 int r;
5599
5600 assert(path);
5601 assert(new_line);
5602
5603 log_debug("Showing one %s", path);
5604
5605 r = bus_map_all_properties(
5606 bus,
5607 "org.freedesktop.systemd1",
5608 path,
5609 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5610 BUS_MAP_BOOLEAN_AS_BOOL,
5611 &error,
5612 &reply,
5613 &info);
5614 if (r < 0)
5615 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5616
5617 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5618 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5619 "Unit %s could not be found.", unit);
5620
5621 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5622 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5623 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5624 return -ENOENT;
5625 }
5626
5627 if (*new_line)
5628 printf("\n");
5629
5630 *new_line = true;
5631
5632 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5633 print_status_info(bus, &info, ellipsized);
5634
5635 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5636 return EXIT_PROGRAM_NOT_RUNNING;
5637
5638 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5639
5640 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5641 show_unit_help(&info);
5642 return 0;
5643 }
5644
5645 r = sd_bus_message_rewind(reply, true);
5646 if (r < 0)
5647 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5648
5649 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5650 if (r < 0)
5651 return bus_log_parse_error(r);
5652
5653 STRV_FOREACH(pp, arg_properties)
5654 if (!set_contains(found_properties, *pp))
5655 log_debug("Property %s does not exist.", *pp);
5656
5657 return 0;
5658 }
5659
5660 static int get_unit_dbus_path_by_pid(
5661 sd_bus *bus,
5662 uint32_t pid,
5663 char **unit) {
5664
5665 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5666 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5667 char *u;
5668 int r;
5669
5670 r = sd_bus_call_method(
5671 bus,
5672 "org.freedesktop.systemd1",
5673 "/org/freedesktop/systemd1",
5674 "org.freedesktop.systemd1.Manager",
5675 "GetUnitByPID",
5676 &error,
5677 &reply,
5678 "u", pid);
5679 if (r < 0)
5680 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5681
5682 r = sd_bus_message_read(reply, "o", &u);
5683 if (r < 0)
5684 return bus_log_parse_error(r);
5685
5686 u = strdup(u);
5687 if (!u)
5688 return log_oom();
5689
5690 *unit = u;
5691 return 0;
5692 }
5693
5694 static int show_all(
5695 sd_bus *bus,
5696 bool *new_line,
5697 bool *ellipsized) {
5698
5699 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5700 _cleanup_free_ UnitInfo *unit_infos = NULL;
5701 const UnitInfo *u;
5702 unsigned c;
5703 int r, ret = 0;
5704
5705 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5706 if (r < 0)
5707 return r;
5708
5709 (void) pager_open(arg_pager_flags);
5710
5711 c = (unsigned) r;
5712
5713 typesafe_qsort(unit_infos, c, compare_unit_info);
5714
5715 for (u = unit_infos; u < unit_infos + c; u++) {
5716 _cleanup_free_ char *p = NULL;
5717
5718 p = unit_dbus_path_from_name(u->id);
5719 if (!p)
5720 return log_oom();
5721
5722 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5723 if (r < 0)
5724 return r;
5725 else if (r > 0 && ret == 0)
5726 ret = r;
5727 }
5728
5729 return ret;
5730 }
5731
5732 static int show_system_status(sd_bus *bus) {
5733 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5734 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5735 _cleanup_(machine_info_clear) struct machine_info mi = {};
5736 _cleanup_free_ char *hn = NULL;
5737 const char *on, *off;
5738 int r;
5739
5740 hn = gethostname_malloc();
5741 if (!hn)
5742 return log_oom();
5743
5744 r = bus_map_all_properties(
5745 bus,
5746 "org.freedesktop.systemd1",
5747 "/org/freedesktop/systemd1",
5748 machine_info_property_map,
5749 BUS_MAP_STRDUP,
5750 &error,
5751 NULL,
5752 &mi);
5753 if (r < 0)
5754 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5755
5756 if (streq_ptr(mi.state, "degraded")) {
5757 on = ansi_highlight_red();
5758 off = ansi_normal();
5759 } else if (streq_ptr(mi.state, "running")) {
5760 on = ansi_highlight_green();
5761 off = ansi_normal();
5762 } else {
5763 on = ansi_highlight_yellow();
5764 off = ansi_normal();
5765 }
5766
5767 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5768
5769 printf(" State: %s%s%s\n",
5770 on, strna(mi.state), off);
5771
5772 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5773 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5774
5775 printf(" Since: %s; %s\n",
5776 format_timestamp(since2, sizeof(since2), mi.timestamp),
5777 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5778
5779 printf(" CGroup: %s\n", mi.control_group ?: "/");
5780 if (IN_SET(arg_transport,
5781 BUS_TRANSPORT_LOCAL,
5782 BUS_TRANSPORT_MACHINE)) {
5783 static const char prefix[] = " ";
5784 unsigned c;
5785
5786 c = columns();
5787 if (c > sizeof(prefix) - 1)
5788 c -= sizeof(prefix) - 1;
5789 else
5790 c = 0;
5791
5792 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5793 }
5794
5795 return 0;
5796 }
5797
5798 static int show(int argc, char *argv[], void *userdata) {
5799 bool new_line = false, ellipsized = false;
5800 SystemctlShowMode show_mode;
5801 int r, ret = 0;
5802 sd_bus *bus;
5803
5804 assert(argv);
5805
5806 show_mode = systemctl_show_mode_from_string(argv[0]);
5807 if (show_mode < 0)
5808 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5809 "Invalid argument.");
5810
5811 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5812 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5813 "This command expects one or more unit names. Did you mean --help?");
5814
5815 r = acquire_bus(BUS_MANAGER, &bus);
5816 if (r < 0)
5817 return r;
5818
5819 (void) pager_open(arg_pager_flags);
5820
5821 /* If no argument is specified inspect the manager itself */
5822 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5823 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5824
5825 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5826
5827 show_system_status(bus);
5828 new_line = true;
5829
5830 if (arg_all)
5831 ret = show_all(bus, &new_line, &ellipsized);
5832 } else {
5833 _cleanup_free_ char **patterns = NULL;
5834 char **name;
5835
5836 STRV_FOREACH(name, strv_skip(argv, 1)) {
5837 _cleanup_free_ char *path = NULL, *unit = NULL;
5838 uint32_t id;
5839
5840 if (safe_atou32(*name, &id) < 0) {
5841 if (strv_push(&patterns, *name) < 0)
5842 return log_oom();
5843
5844 continue;
5845 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5846 /* Interpret as job id */
5847 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5848 return log_oom();
5849
5850 } else {
5851 /* Interpret as PID */
5852 r = get_unit_dbus_path_by_pid(bus, id, &path);
5853 if (r < 0) {
5854 ret = r;
5855 continue;
5856 }
5857
5858 r = unit_name_from_dbus_path(path, &unit);
5859 if (r < 0)
5860 return log_oom();
5861 }
5862
5863 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5864 if (r < 0)
5865 return r;
5866 else if (r > 0 && ret == 0)
5867 ret = r;
5868 }
5869
5870 if (!strv_isempty(patterns)) {
5871 _cleanup_strv_free_ char **names = NULL;
5872
5873 r = expand_names(bus, patterns, NULL, &names, NULL);
5874 if (r < 0)
5875 return log_error_errno(r, "Failed to expand names: %m");
5876
5877 STRV_FOREACH(name, names) {
5878 _cleanup_free_ char *path;
5879
5880 path = unit_dbus_path_from_name(*name);
5881 if (!path)
5882 return log_oom();
5883
5884 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5885 if (r < 0)
5886 return r;
5887 if (r > 0 && ret == 0)
5888 ret = r;
5889 }
5890 }
5891 }
5892
5893 if (ellipsized && !arg_quiet)
5894 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5895
5896 return ret;
5897 }
5898
5899 static int cat(int argc, char *argv[], void *userdata) {
5900 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5901 _cleanup_strv_free_ char **names = NULL;
5902 char **name;
5903 sd_bus *bus;
5904 bool first = true;
5905 int r;
5906
5907 /* Include all units by default — i.e. continue as if the --all
5908 * option was used */
5909 if (strv_isempty(arg_states))
5910 arg_all = true;
5911
5912 if (arg_transport != BUS_TRANSPORT_LOCAL)
5913 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5914
5915 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5916 if (r < 0)
5917 return log_error_errno(r, "Failed to determine unit paths: %m");
5918
5919 r = acquire_bus(BUS_MANAGER, &bus);
5920 if (r < 0)
5921 return r;
5922
5923 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
5924 if (r < 0)
5925 return log_error_errno(r, "Failed to expand names: %m");
5926
5927 (void) pager_open(arg_pager_flags);
5928
5929 STRV_FOREACH(name, names) {
5930 _cleanup_free_ char *fragment_path = NULL;
5931 _cleanup_strv_free_ char **dropin_paths = NULL;
5932
5933 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5934 if (r == -ERFKILL) {
5935 printf("%s# Unit %s is masked%s.\n",
5936 ansi_highlight_magenta(),
5937 *name,
5938 ansi_normal());
5939 continue;
5940 }
5941 if (r == -EKEYREJECTED) {
5942 printf("%s# Unit %s could not be loaded.%s\n",
5943 ansi_highlight_magenta(),
5944 *name,
5945 ansi_normal());
5946 continue;
5947 }
5948 if (r < 0)
5949 return r;
5950 if (r == 0)
5951 return -ENOENT;
5952
5953 if (first)
5954 first = false;
5955 else
5956 puts("");
5957
5958 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5959 fprintf(stderr,
5960 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5961 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5962 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5963 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5964 ansi_highlight_red(),
5965 *name,
5966 ansi_highlight_red(),
5967 ansi_highlight_red(),
5968 ansi_highlight_red(),
5969 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5970 ansi_normal());
5971
5972 r = cat_files(fragment_path, dropin_paths, 0);
5973 if (r < 0)
5974 return r;
5975 }
5976
5977 return 0;
5978 }
5979
5980 static int set_property(int argc, char *argv[], void *userdata) {
5981 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5982 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5983 _cleanup_free_ char *n = NULL;
5984 UnitType t;
5985 sd_bus *bus;
5986 int r;
5987
5988 r = acquire_bus(BUS_MANAGER, &bus);
5989 if (r < 0)
5990 return r;
5991
5992 polkit_agent_open_maybe();
5993
5994 r = sd_bus_message_new_method_call(
5995 bus,
5996 &m,
5997 "org.freedesktop.systemd1",
5998 "/org/freedesktop/systemd1",
5999 "org.freedesktop.systemd1.Manager",
6000 "SetUnitProperties");
6001 if (r < 0)
6002 return bus_log_create_error(r);
6003
6004 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
6005 if (r < 0)
6006 return log_error_errno(r, "Failed to mangle unit name: %m");
6007
6008 t = unit_name_to_type(n);
6009 if (t < 0)
6010 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
6011
6012 r = sd_bus_message_append(m, "sb", n, arg_runtime);
6013 if (r < 0)
6014 return bus_log_create_error(r);
6015
6016 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
6017 if (r < 0)
6018 return bus_log_create_error(r);
6019
6020 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
6021 if (r < 0)
6022 return r;
6023
6024 r = sd_bus_message_close_container(m);
6025 if (r < 0)
6026 return bus_log_create_error(r);
6027
6028 r = sd_bus_call(bus, m, 0, &error, NULL);
6029 if (r < 0)
6030 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
6031
6032 return 0;
6033 }
6034
6035 static int daemon_reload(int argc, char *argv[], void *userdata) {
6036 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6037 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6038 const char *method;
6039 sd_bus *bus;
6040 int r;
6041
6042 r = acquire_bus(BUS_MANAGER, &bus);
6043 if (r < 0)
6044 return r;
6045
6046 polkit_agent_open_maybe();
6047
6048 switch (arg_action) {
6049
6050 case ACTION_RELOAD:
6051 method = "Reload";
6052 break;
6053
6054 case ACTION_REEXEC:
6055 method = "Reexecute";
6056 break;
6057
6058 case ACTION_SYSTEMCTL:
6059 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6060 /* "daemon-reload" */ "Reload";
6061 break;
6062
6063 default:
6064 assert_not_reached("Unexpected action");
6065 }
6066
6067 r = sd_bus_message_new_method_call(
6068 bus,
6069 &m,
6070 "org.freedesktop.systemd1",
6071 "/org/freedesktop/systemd1",
6072 "org.freedesktop.systemd1.Manager",
6073 method);
6074 if (r < 0)
6075 return bus_log_create_error(r);
6076
6077 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6078 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6079 * their timeout, and for everything else there's the same time budget in place. */
6080
6081 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6082
6083 /* On reexecution, we expect a disconnect, not a reply */
6084 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6085 r = 0;
6086
6087 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6088 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6089
6090 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6091 * old ways of doing things, hence don't log any error in that case here. */
6092
6093 return r < 0 ? r : 0;
6094 }
6095
6096 static int trivial_method(int argc, char *argv[], void *userdata) {
6097 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6098 const char *method;
6099 sd_bus *bus;
6100 int r;
6101
6102 if (arg_dry_run)
6103 return 0;
6104
6105 r = acquire_bus(BUS_MANAGER, &bus);
6106 if (r < 0)
6107 return r;
6108
6109 polkit_agent_open_maybe();
6110
6111 method =
6112 streq(argv[0], "clear-jobs") ||
6113 streq(argv[0], "cancel") ? "ClearJobs" :
6114 streq(argv[0], "reset-failed") ? "ResetFailed" :
6115 streq(argv[0], "halt") ? "Halt" :
6116 streq(argv[0], "reboot") ? "Reboot" :
6117 streq(argv[0], "kexec") ? "KExec" :
6118 streq(argv[0], "exit") ? "Exit" :
6119 /* poweroff */ "PowerOff";
6120
6121 r = sd_bus_call_method(
6122 bus,
6123 "org.freedesktop.systemd1",
6124 "/org/freedesktop/systemd1",
6125 "org.freedesktop.systemd1.Manager",
6126 method,
6127 &error,
6128 NULL,
6129 NULL);
6130 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6131 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6132
6133 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6134 * old ways of doing things, hence don't log any error in that case here. */
6135
6136 return r < 0 ? r : 0;
6137 }
6138
6139 static int reset_failed(int argc, char *argv[], void *userdata) {
6140 _cleanup_strv_free_ char **names = NULL;
6141 sd_bus *bus;
6142 char **name;
6143 int r, q;
6144
6145 if (argc <= 1)
6146 return trivial_method(argc, argv, userdata);
6147
6148 r = acquire_bus(BUS_MANAGER, &bus);
6149 if (r < 0)
6150 return r;
6151
6152 polkit_agent_open_maybe();
6153
6154 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
6155 if (r < 0)
6156 return log_error_errno(r, "Failed to expand names: %m");
6157
6158 STRV_FOREACH(name, names) {
6159 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6160
6161 q = sd_bus_call_method(
6162 bus,
6163 "org.freedesktop.systemd1",
6164 "/org/freedesktop/systemd1",
6165 "org.freedesktop.systemd1.Manager",
6166 "ResetFailedUnit",
6167 &error,
6168 NULL,
6169 "s", *name);
6170 if (q < 0) {
6171 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6172 if (r == 0)
6173 r = q;
6174 }
6175 }
6176
6177 return r;
6178 }
6179
6180 static int print_variable(const char *s) {
6181 const char *sep;
6182 _cleanup_free_ char *esc = NULL;
6183
6184 sep = strchr(s, '=');
6185 if (!sep)
6186 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6187 "Invalid environment block");
6188
6189 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6190 if (!esc)
6191 return log_oom();
6192
6193 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6194 return 0;
6195 }
6196
6197 static int show_environment(int argc, char *argv[], void *userdata) {
6198 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6199 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6200 const char *text;
6201 sd_bus *bus;
6202 int r;
6203
6204 r = acquire_bus(BUS_MANAGER, &bus);
6205 if (r < 0)
6206 return r;
6207
6208 (void) pager_open(arg_pager_flags);
6209
6210 r = sd_bus_get_property(
6211 bus,
6212 "org.freedesktop.systemd1",
6213 "/org/freedesktop/systemd1",
6214 "org.freedesktop.systemd1.Manager",
6215 "Environment",
6216 &error,
6217 &reply,
6218 "as");
6219 if (r < 0)
6220 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6221
6222 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6223 if (r < 0)
6224 return bus_log_parse_error(r);
6225
6226 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6227 r = print_variable(text);
6228 if (r < 0)
6229 return r;
6230 }
6231 if (r < 0)
6232 return bus_log_parse_error(r);
6233
6234 r = sd_bus_message_exit_container(reply);
6235 if (r < 0)
6236 return bus_log_parse_error(r);
6237
6238 return 0;
6239 }
6240
6241 static int switch_root(int argc, char *argv[], void *userdata) {
6242 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6243 _cleanup_free_ char *cmdline_init = NULL;
6244 const char *root, *init;
6245 sd_bus *bus;
6246 int r;
6247
6248 if (arg_transport != BUS_TRANSPORT_LOCAL)
6249 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6250
6251 if (argc < 2 || argc > 3)
6252 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6253
6254 root = argv[1];
6255
6256 if (argc >= 3)
6257 init = argv[2];
6258 else {
6259 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6260 if (r < 0)
6261 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6262
6263 init = cmdline_init;
6264 }
6265
6266 init = empty_to_null(init);
6267 if (init) {
6268 const char *root_systemd_path = NULL, *root_init_path = NULL;
6269
6270 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6271 root_init_path = prefix_roota(root, init);
6272
6273 /* If the passed init is actually the same as the
6274 * systemd binary, then let's suppress it. */
6275 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6276 init = NULL;
6277 }
6278
6279 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6280 * would exit with a failure status even though the switch to the new root has succeed. */
6281 assert(saved_argv);
6282 assert(saved_argv[0]);
6283 saved_argv[0][0] = '@';
6284
6285 r = acquire_bus(BUS_MANAGER, &bus);
6286 if (r < 0)
6287 return r;
6288
6289 /* If we are slow to exit after the root switch, the new systemd instance
6290 * will send us a signal to terminate. Just ignore it and exit normally.
6291 * This way the unit does not end up as failed.
6292 */
6293 r = ignore_signals(SIGTERM, -1);
6294 if (r < 0)
6295 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6296
6297 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6298
6299 r = sd_bus_call_method(
6300 bus,
6301 "org.freedesktop.systemd1",
6302 "/org/freedesktop/systemd1",
6303 "org.freedesktop.systemd1.Manager",
6304 "SwitchRoot",
6305 &error,
6306 NULL,
6307 "ss", root, init);
6308 if (r < 0) {
6309 (void) default_signals(SIGTERM, -1);
6310
6311 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6312 }
6313
6314 return 0;
6315 }
6316
6317 static int set_environment(int argc, char *argv[], void *userdata) {
6318 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6319 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6320 const char *method;
6321 sd_bus *bus;
6322 int r;
6323
6324 assert(argc > 1);
6325 assert(argv);
6326
6327 r = acquire_bus(BUS_MANAGER, &bus);
6328 if (r < 0)
6329 return r;
6330
6331 polkit_agent_open_maybe();
6332
6333 method = streq(argv[0], "set-environment")
6334 ? "SetEnvironment"
6335 : "UnsetEnvironment";
6336
6337 r = sd_bus_message_new_method_call(
6338 bus,
6339 &m,
6340 "org.freedesktop.systemd1",
6341 "/org/freedesktop/systemd1",
6342 "org.freedesktop.systemd1.Manager",
6343 method);
6344 if (r < 0)
6345 return bus_log_create_error(r);
6346
6347 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6348 if (r < 0)
6349 return bus_log_create_error(r);
6350
6351 r = sd_bus_call(bus, m, 0, &error, NULL);
6352 if (r < 0)
6353 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6354
6355 return 0;
6356 }
6357
6358 static int import_environment(int argc, char *argv[], void *userdata) {
6359 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6360 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6361 sd_bus *bus;
6362 int r;
6363
6364 r = acquire_bus(BUS_MANAGER, &bus);
6365 if (r < 0)
6366 return r;
6367
6368 polkit_agent_open_maybe();
6369
6370 r = sd_bus_message_new_method_call(
6371 bus,
6372 &m,
6373 "org.freedesktop.systemd1",
6374 "/org/freedesktop/systemd1",
6375 "org.freedesktop.systemd1.Manager",
6376 "SetEnvironment");
6377 if (r < 0)
6378 return bus_log_create_error(r);
6379
6380 if (argc < 2)
6381 r = sd_bus_message_append_strv(m, environ);
6382 else {
6383 char **a, **b;
6384
6385 r = sd_bus_message_open_container(m, 'a', "s");
6386 if (r < 0)
6387 return bus_log_create_error(r);
6388
6389 STRV_FOREACH(a, strv_skip(argv, 1)) {
6390
6391 if (!env_name_is_valid(*a))
6392 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6393
6394 STRV_FOREACH(b, environ) {
6395 const char *eq;
6396
6397 eq = startswith(*b, *a);
6398 if (eq && *eq == '=') {
6399
6400 r = sd_bus_message_append(m, "s", *b);
6401 if (r < 0)
6402 return bus_log_create_error(r);
6403
6404 break;
6405 }
6406 }
6407 }
6408
6409 r = sd_bus_message_close_container(m);
6410 }
6411 if (r < 0)
6412 return bus_log_create_error(r);
6413
6414 r = sd_bus_call(bus, m, 0, &error, NULL);
6415 if (r < 0)
6416 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6417
6418 return 0;
6419 }
6420
6421 static int enable_sysv_units(const char *verb, char **args) {
6422 int r = 0;
6423
6424 #if HAVE_SYSV_COMPAT
6425 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6426 unsigned f = 0;
6427
6428 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6429
6430 if (arg_scope != UNIT_FILE_SYSTEM)
6431 return 0;
6432
6433 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6434 return 0;
6435
6436 if (!STR_IN_SET(verb,
6437 "enable",
6438 "disable",
6439 "is-enabled"))
6440 return 0;
6441
6442 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6443 if (r < 0)
6444 return r;
6445
6446 r = 0;
6447 while (args[f]) {
6448
6449 const char *argv[] = {
6450 ROOTLIBEXECDIR "/systemd-sysv-install",
6451 NULL, /* --root= */
6452 NULL, /* verb */
6453 NULL, /* service */
6454 NULL,
6455 };
6456
6457 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6458 bool found_native = false, found_sysv;
6459 const char *name;
6460 unsigned c = 1;
6461 pid_t pid;
6462 int j;
6463
6464 name = args[f++];
6465
6466 if (!endswith(name, ".service"))
6467 continue;
6468
6469 if (path_is_absolute(name))
6470 continue;
6471
6472 j = unit_file_exists(arg_scope, &paths, name);
6473 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6474 return log_error_errno(j, "Failed to lookup unit file state: %m");
6475 found_native = j != 0;
6476
6477 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6478 * prefer the native unit */
6479 if (found_native && streq(verb, "is-enabled"))
6480 continue;
6481
6482 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6483 if (!p)
6484 return log_oom();
6485
6486 p[strlen(p) - STRLEN(".service")] = 0;
6487 found_sysv = access(p, F_OK) >= 0;
6488 if (!found_sysv)
6489 continue;
6490
6491 if (!arg_quiet) {
6492 if (found_native)
6493 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6494 else
6495 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6496 }
6497
6498 if (!isempty(arg_root)) {
6499 q = strjoin("--root=", arg_root);
6500 if (!q)
6501 return log_oom();
6502
6503 argv[c++] = q;
6504 }
6505
6506 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6507 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6508 v = strdup(verb);
6509 if (!v)
6510 return log_oom();
6511
6512 argv[c++] = v;
6513 argv[c++] = basename(p);
6514 argv[c] = NULL;
6515
6516 l = strv_join((char**)argv, " ");
6517 if (!l)
6518 return log_oom();
6519
6520 if (!arg_quiet)
6521 log_info("Executing: %s", l);
6522
6523 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6524 if (j < 0)
6525 return j;
6526 if (j == 0) {
6527 /* Child */
6528 execv(argv[0], (char**) argv);
6529 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6530 _exit(EXIT_FAILURE);
6531 }
6532
6533 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6534 if (j < 0)
6535 return j;
6536 if (streq(verb, "is-enabled")) {
6537 if (j == EXIT_SUCCESS) {
6538 if (!arg_quiet)
6539 puts("enabled");
6540 r = 1;
6541 } else {
6542 if (!arg_quiet)
6543 puts("disabled");
6544 }
6545
6546 } else if (j != EXIT_SUCCESS)
6547 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6548
6549 if (found_native)
6550 continue;
6551
6552 /* Remove this entry, so that we don't try enabling it as native unit */
6553 assert(f > 0);
6554 f--;
6555 assert(args[f] == name);
6556 strv_remove(args + f, name);
6557 }
6558
6559 #endif
6560 return r;
6561 }
6562
6563 static int mangle_names(const char *operation, char **original_names, char ***mangled_names) {
6564 char **i, **l, **name;
6565 int r;
6566
6567 l = i = new(char*, strv_length(original_names) + 1);
6568 if (!l)
6569 return log_oom();
6570
6571 STRV_FOREACH(name, original_names) {
6572
6573 /* When enabling units qualified path names are OK,
6574 * too, hence allow them explicitly. */
6575
6576 if (is_path(*name)) {
6577 *i = strdup(*name);
6578 if (!*i) {
6579 strv_free(l);
6580 return log_oom();
6581 }
6582 } else {
6583 r = unit_name_mangle_with_suffix(*name, operation,
6584 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
6585 ".service", i);
6586 if (r < 0) {
6587 *i = NULL;
6588 strv_free(l);
6589 return log_error_errno(r, "Failed to mangle unit name: %m");
6590 }
6591 }
6592
6593 i++;
6594 }
6595
6596 *i = NULL;
6597 *mangled_names = l;
6598
6599 return 0;
6600 }
6601
6602 static int normalize_filenames(char **names) {
6603 char **u;
6604 int r;
6605
6606 STRV_FOREACH(u, names)
6607 if (!path_is_absolute(*u)) {
6608 char* normalized_path;
6609
6610 if (!isempty(arg_root))
6611 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6612 "Non-absolute paths are not allowed when --root is used: %s",
6613 *u);
6614
6615 if (!strchr(*u,'/'))
6616 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6617 "Link argument does contain at least one directory separator: %s",
6618 *u);
6619
6620 r = path_make_absolute_cwd(*u, &normalized_path);
6621 if (r < 0)
6622 return r;
6623
6624 free_and_replace(*u, normalized_path);
6625 }
6626
6627 return 0;
6628 }
6629
6630 static int normalize_names(char **names, bool warn_if_path) {
6631 char **u;
6632 bool was_path = false;
6633
6634 STRV_FOREACH(u, names) {
6635 int r;
6636
6637 if (!is_path(*u))
6638 continue;
6639
6640 r = free_and_strdup(u, basename(*u));
6641 if (r < 0)
6642 return log_error_errno(r, "Failed to normalize unit file path: %m");
6643
6644 was_path = true;
6645 }
6646
6647 if (warn_if_path && was_path)
6648 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6649
6650 return 0;
6651 }
6652
6653 static int unit_exists(LookupPaths *lp, const char *unit) {
6654 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6655 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6656 _cleanup_free_ char *path = NULL;
6657 static const struct bus_properties_map property_map[] = {
6658 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6659 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6660 {},
6661 };
6662 UnitStatusInfo info = {};
6663 sd_bus *bus;
6664 int r;
6665
6666 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6667 return unit_find_template_path(unit, lp, NULL, NULL);
6668
6669 path = unit_dbus_path_from_name(unit);
6670 if (!path)
6671 return log_oom();
6672
6673 r = acquire_bus(BUS_MANAGER, &bus);
6674 if (r < 0)
6675 return r;
6676
6677 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6678 if (r < 0)
6679 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6680
6681 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6682 }
6683
6684 static int enable_unit(int argc, char *argv[], void *userdata) {
6685 _cleanup_strv_free_ char **names = NULL;
6686 const char *verb = argv[0];
6687 UnitFileChange *changes = NULL;
6688 size_t n_changes = 0;
6689 int carries_install_info = -1;
6690 bool ignore_carries_install_info = arg_quiet;
6691 int r;
6692
6693 if (!argv[1])
6694 return 0;
6695
6696 r = mangle_names("to enable", strv_skip(argv, 1), &names);
6697 if (r < 0)
6698 return r;
6699
6700 r = enable_sysv_units(verb, names);
6701 if (r < 0)
6702 return r;
6703
6704 /* If the operation was fully executed by the SysV compat, let's finish early */
6705 if (strv_isempty(names)) {
6706 if (arg_no_reload || install_client_side())
6707 return 0;
6708 return daemon_reload(argc, argv, userdata);
6709 }
6710
6711 if (streq(verb, "disable")) {
6712 r = normalize_names(names, true);
6713 if (r < 0)
6714 return r;
6715 }
6716
6717 if (streq(verb, "link")) {
6718 r = normalize_filenames(names);
6719 if (r < 0)
6720 return r;
6721 }
6722
6723 if (install_client_side()) {
6724 UnitFileFlags flags;
6725
6726 flags = args_to_flags();
6727 if (streq(verb, "enable")) {
6728 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6729 carries_install_info = r;
6730 } else if (streq(verb, "disable"))
6731 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6732 else if (streq(verb, "reenable")) {
6733 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6734 carries_install_info = r;
6735 } else if (streq(verb, "link"))
6736 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6737 else if (streq(verb, "preset")) {
6738 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6739 } else if (streq(verb, "mask"))
6740 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6741 else if (streq(verb, "unmask"))
6742 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6743 else if (streq(verb, "revert"))
6744 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6745 else
6746 assert_not_reached("Unknown verb");
6747
6748 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6749 if (r < 0)
6750 goto finish;
6751 r = 0;
6752 } else {
6753 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6754 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6755 bool expect_carries_install_info = false;
6756 bool send_runtime = true, send_force = true, send_preset_mode = false;
6757 const char *method;
6758 sd_bus *bus;
6759
6760 if (STR_IN_SET(verb, "mask", "unmask")) {
6761 char **name;
6762 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6763
6764 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6765 if (r < 0)
6766 return r;
6767
6768 STRV_FOREACH(name, names) {
6769 r = unit_exists(&lp, *name);
6770 if (r < 0)
6771 return r;
6772 if (r == 0)
6773 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6774 }
6775 }
6776
6777 r = acquire_bus(BUS_MANAGER, &bus);
6778 if (r < 0)
6779 return r;
6780
6781 polkit_agent_open_maybe();
6782
6783 if (streq(verb, "enable")) {
6784 method = "EnableUnitFiles";
6785 expect_carries_install_info = true;
6786 } else if (streq(verb, "disable")) {
6787 method = "DisableUnitFiles";
6788 send_force = false;
6789 } else if (streq(verb, "reenable")) {
6790 method = "ReenableUnitFiles";
6791 expect_carries_install_info = true;
6792 } else if (streq(verb, "link"))
6793 method = "LinkUnitFiles";
6794 else if (streq(verb, "preset")) {
6795
6796 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6797 method = "PresetUnitFilesWithMode";
6798 send_preset_mode = true;
6799 } else
6800 method = "PresetUnitFiles";
6801
6802 expect_carries_install_info = true;
6803 ignore_carries_install_info = true;
6804 } else if (streq(verb, "mask"))
6805 method = "MaskUnitFiles";
6806 else if (streq(verb, "unmask")) {
6807 method = "UnmaskUnitFiles";
6808 send_force = false;
6809 } else if (streq(verb, "revert")) {
6810 method = "RevertUnitFiles";
6811 send_runtime = send_force = false;
6812 } else
6813 assert_not_reached("Unknown verb");
6814
6815 r = sd_bus_message_new_method_call(
6816 bus,
6817 &m,
6818 "org.freedesktop.systemd1",
6819 "/org/freedesktop/systemd1",
6820 "org.freedesktop.systemd1.Manager",
6821 method);
6822 if (r < 0)
6823 return bus_log_create_error(r);
6824
6825 r = sd_bus_message_append_strv(m, names);
6826 if (r < 0)
6827 return bus_log_create_error(r);
6828
6829 if (send_preset_mode) {
6830 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6831 if (r < 0)
6832 return bus_log_create_error(r);
6833 }
6834
6835 if (send_runtime) {
6836 r = sd_bus_message_append(m, "b", arg_runtime);
6837 if (r < 0)
6838 return bus_log_create_error(r);
6839 }
6840
6841 if (send_force) {
6842 r = sd_bus_message_append(m, "b", arg_force);
6843 if (r < 0)
6844 return bus_log_create_error(r);
6845 }
6846
6847 r = sd_bus_call(bus, m, 0, &error, &reply);
6848 if (r < 0)
6849 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6850
6851 if (expect_carries_install_info) {
6852 r = sd_bus_message_read(reply, "b", &carries_install_info);
6853 if (r < 0)
6854 return bus_log_parse_error(r);
6855 }
6856
6857 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6858 if (r < 0)
6859 goto finish;
6860
6861 /* Try to reload if enabled */
6862 if (!arg_no_reload)
6863 r = daemon_reload(argc, argv, userdata);
6864 else
6865 r = 0;
6866 }
6867
6868 if (carries_install_info == 0 && !ignore_carries_install_info)
6869 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6870 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6871 "units). This means they are not meant to be enabled using systemctl.\n"
6872 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6873 "Possible reasons for having this kind of units are:\n"
6874 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6875 " .wants/ or .requires/ directory.\n"
6876 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6877 " a requirement dependency on it.\n"
6878 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6879 " D-Bus, udev, scripted systemctl call, ...).\n"
6880 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6881 " instance name specified.",
6882 special_glyph(SPECIAL_GLYPH_BULLET));
6883
6884 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6885 sd_bus *bus;
6886 size_t len, i;
6887
6888 r = acquire_bus(BUS_MANAGER, &bus);
6889 if (r < 0)
6890 goto finish;
6891
6892 len = strv_length(names);
6893 {
6894 char *new_args[len + 2];
6895
6896 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6897 for (i = 0; i < len; i++)
6898 new_args[i + 1] = basename(names[i]);
6899 new_args[i + 1] = NULL;
6900
6901 r = start_unit(len + 1, new_args, userdata);
6902 }
6903 }
6904
6905 finish:
6906 unit_file_changes_free(changes, n_changes);
6907
6908 return r;
6909 }
6910
6911 static int add_dependency(int argc, char *argv[], void *userdata) {
6912 _cleanup_strv_free_ char **names = NULL;
6913 _cleanup_free_ char *target = NULL;
6914 const char *verb = argv[0];
6915 UnitFileChange *changes = NULL;
6916 size_t n_changes = 0;
6917 UnitDependency dep;
6918 int r = 0;
6919
6920 if (!argv[1])
6921 return 0;
6922
6923 r = unit_name_mangle_with_suffix(argv[1], "as target",
6924 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
6925 ".target", &target);
6926 if (r < 0)
6927 return log_error_errno(r, "Failed to mangle unit name: %m");
6928
6929 r = mangle_names("as dependency", strv_skip(argv, 2), &names);
6930 if (r < 0)
6931 return r;
6932
6933 if (streq(verb, "add-wants"))
6934 dep = UNIT_WANTS;
6935 else if (streq(verb, "add-requires"))
6936 dep = UNIT_REQUIRES;
6937 else
6938 assert_not_reached("Unknown verb");
6939
6940 if (install_client_side()) {
6941 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6942 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6943
6944 if (r > 0)
6945 r = 0;
6946 } else {
6947 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6948 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6949 sd_bus *bus;
6950
6951 r = acquire_bus(BUS_MANAGER, &bus);
6952 if (r < 0)
6953 return r;
6954
6955 polkit_agent_open_maybe();
6956
6957 r = sd_bus_message_new_method_call(
6958 bus,
6959 &m,
6960 "org.freedesktop.systemd1",
6961 "/org/freedesktop/systemd1",
6962 "org.freedesktop.systemd1.Manager",
6963 "AddDependencyUnitFiles");
6964 if (r < 0)
6965 return bus_log_create_error(r);
6966
6967 r = sd_bus_message_append_strv(m, names);
6968 if (r < 0)
6969 return bus_log_create_error(r);
6970
6971 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6972 if (r < 0)
6973 return bus_log_create_error(r);
6974
6975 r = sd_bus_call(bus, m, 0, &error, &reply);
6976 if (r < 0)
6977 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6978
6979 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6980 if (r < 0)
6981 goto finish;
6982
6983 if (arg_no_reload) {
6984 r = 0;
6985 goto finish;
6986 }
6987
6988 r = daemon_reload(argc, argv, userdata);
6989 }
6990
6991 finish:
6992 unit_file_changes_free(changes, n_changes);
6993
6994 return r;
6995 }
6996
6997 static int preset_all(int argc, char *argv[], void *userdata) {
6998 UnitFileChange *changes = NULL;
6999 size_t n_changes = 0;
7000 int r;
7001
7002 if (install_client_side()) {
7003 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
7004 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
7005
7006 if (r > 0)
7007 r = 0;
7008 } else {
7009 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7010 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7011 sd_bus *bus;
7012
7013 r = acquire_bus(BUS_MANAGER, &bus);
7014 if (r < 0)
7015 return r;
7016
7017 polkit_agent_open_maybe();
7018
7019 r = sd_bus_call_method(
7020 bus,
7021 "org.freedesktop.systemd1",
7022 "/org/freedesktop/systemd1",
7023 "org.freedesktop.systemd1.Manager",
7024 "PresetAllUnitFiles",
7025 &error,
7026 &reply,
7027 "sbb",
7028 unit_file_preset_mode_to_string(arg_preset_mode),
7029 arg_runtime,
7030 arg_force);
7031 if (r < 0)
7032 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
7033
7034 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7035 if (r < 0)
7036 goto finish;
7037
7038 if (arg_no_reload) {
7039 r = 0;
7040 goto finish;
7041 }
7042
7043 r = daemon_reload(argc, argv, userdata);
7044 }
7045
7046 finish:
7047 unit_file_changes_free(changes, n_changes);
7048
7049 return r;
7050 }
7051
7052 static int show_installation_targets_client_side(const char *name) {
7053 UnitFileChange *changes = NULL;
7054 size_t n_changes = 0, i;
7055 UnitFileFlags flags;
7056 char **p;
7057 int r;
7058
7059 p = STRV_MAKE(name);
7060 flags = UNIT_FILE_DRY_RUN |
7061 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7062
7063 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7064 if (r < 0)
7065 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7066
7067 for (i = 0; i < n_changes; i++)
7068 if (changes[i].type == UNIT_FILE_UNLINK)
7069 printf(" %s\n", changes[i].path);
7070
7071 return 0;
7072 }
7073
7074 static int show_installation_targets(sd_bus *bus, const char *name) {
7075 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7076 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7077 const char *link;
7078 int r;
7079
7080 r = sd_bus_call_method(
7081 bus,
7082 "org.freedesktop.systemd1",
7083 "/org/freedesktop/systemd1",
7084 "org.freedesktop.systemd1.Manager",
7085 "GetUnitFileLinks",
7086 &error,
7087 &reply,
7088 "sb", name, arg_runtime);
7089 if (r < 0)
7090 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7091
7092 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7093 if (r < 0)
7094 return bus_log_parse_error(r);
7095
7096 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7097 printf(" %s\n", link);
7098
7099 if (r < 0)
7100 return bus_log_parse_error(r);
7101
7102 r = sd_bus_message_exit_container(reply);
7103 if (r < 0)
7104 return bus_log_parse_error(r);
7105
7106 return 0;
7107 }
7108
7109 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7110 _cleanup_strv_free_ char **names = NULL;
7111 bool enabled;
7112 char **name;
7113 int r;
7114
7115 r = mangle_names("to check", strv_skip(argv, 1), &names);
7116 if (r < 0)
7117 return r;
7118
7119 r = enable_sysv_units(argv[0], names);
7120 if (r < 0)
7121 return r;
7122
7123 enabled = r > 0;
7124
7125 if (install_client_side()) {
7126 STRV_FOREACH(name, names) {
7127 UnitFileState state;
7128
7129 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7130 if (r < 0)
7131 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7132
7133 if (IN_SET(state,
7134 UNIT_FILE_ENABLED,
7135 UNIT_FILE_ENABLED_RUNTIME,
7136 UNIT_FILE_STATIC,
7137 UNIT_FILE_INDIRECT,
7138 UNIT_FILE_GENERATED))
7139 enabled = true;
7140
7141 if (!arg_quiet) {
7142 puts(unit_file_state_to_string(state));
7143 if (arg_full) {
7144 r = show_installation_targets_client_side(*name);
7145 if (r < 0)
7146 return r;
7147 }
7148 }
7149 }
7150
7151 r = 0;
7152 } else {
7153 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7154 sd_bus *bus;
7155
7156 r = acquire_bus(BUS_MANAGER, &bus);
7157 if (r < 0)
7158 return r;
7159
7160 STRV_FOREACH(name, names) {
7161 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7162 const char *s;
7163
7164 r = sd_bus_call_method(
7165 bus,
7166 "org.freedesktop.systemd1",
7167 "/org/freedesktop/systemd1",
7168 "org.freedesktop.systemd1.Manager",
7169 "GetUnitFileState",
7170 &error,
7171 &reply,
7172 "s", *name);
7173 if (r < 0)
7174 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7175
7176 r = sd_bus_message_read(reply, "s", &s);
7177 if (r < 0)
7178 return bus_log_parse_error(r);
7179
7180 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7181 enabled = true;
7182
7183 if (!arg_quiet) {
7184 puts(s);
7185 if (arg_full) {
7186 r = show_installation_targets(bus, *name);
7187 if (r < 0)
7188 return r;
7189 }
7190 }
7191 }
7192 }
7193
7194 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7195 }
7196
7197 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7198 char **state = userdata;
7199 int r;
7200
7201 assert(state);
7202
7203 r = sd_bus_get_property_string(
7204 sd_bus_message_get_bus(m),
7205 "org.freedesktop.systemd1",
7206 "/org/freedesktop/systemd1",
7207 "org.freedesktop.systemd1.Manager",
7208 "SystemState",
7209 NULL,
7210 state);
7211
7212 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7213 return 0;
7214 }
7215
7216 static int is_system_running(int argc, char *argv[], void *userdata) {
7217 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7218 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7219 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7220 _cleanup_free_ char *state = NULL;
7221 sd_bus *bus;
7222 int r;
7223
7224 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7225 if (!arg_quiet)
7226 puts("offline");
7227 return EXIT_FAILURE;
7228 }
7229
7230 r = acquire_bus(BUS_MANAGER, &bus);
7231 if (r < 0)
7232 return r;
7233
7234 if (arg_wait) {
7235 r = sd_event_default(&event);
7236 if (r >= 0)
7237 r = sd_bus_attach_event(bus, event, 0);
7238 if (r >= 0)
7239 r = sd_bus_match_signal_async(
7240 bus,
7241 &slot_startup_finished,
7242 "org.freedesktop.systemd1",
7243 "/org/freedesktop/systemd1",
7244 "org.freedesktop.systemd1.Manager",
7245 "StartupFinished",
7246 match_startup_finished, NULL, &state);
7247 if (r < 0) {
7248 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7249 arg_wait = false;
7250 }
7251 }
7252
7253 r = sd_bus_get_property_string(
7254 bus,
7255 "org.freedesktop.systemd1",
7256 "/org/freedesktop/systemd1",
7257 "org.freedesktop.systemd1.Manager",
7258 "SystemState",
7259 &error,
7260 &state);
7261 if (r < 0) {
7262 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7263
7264 if (!arg_quiet)
7265 puts("unknown");
7266 return EXIT_FAILURE;
7267 }
7268
7269 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7270 r = sd_event_loop(event);
7271 if (r < 0) {
7272 log_warning_errno(r, "Failed to get property from event loop: %m");
7273 if (!arg_quiet)
7274 puts("unknown");
7275 return EXIT_FAILURE;
7276 }
7277 }
7278
7279 if (!arg_quiet)
7280 puts(state);
7281
7282 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7283 }
7284
7285 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7286 _cleanup_free_ char *t = NULL;
7287 int r;
7288
7289 assert(new_path);
7290 assert(original_path);
7291 assert(ret_tmp_fn);
7292
7293 r = tempfn_random(new_path, NULL, &t);
7294 if (r < 0)
7295 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7296
7297 r = mkdir_parents(new_path, 0755);
7298 if (r < 0)
7299 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7300
7301 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7302 if (r == -ENOENT) {
7303
7304 r = touch(t);
7305 if (r < 0)
7306 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7307
7308 } else if (r < 0)
7309 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7310
7311 *ret_tmp_fn = TAKE_PTR(t);
7312
7313 return 0;
7314 }
7315
7316 static int get_file_to_edit(
7317 const LookupPaths *paths,
7318 const char *name,
7319 char **ret_path) {
7320
7321 _cleanup_free_ char *path = NULL, *run = NULL;
7322
7323 assert(name);
7324 assert(ret_path);
7325
7326 path = path_join(paths->persistent_config, name);
7327 if (!path)
7328 return log_oom();
7329
7330 if (arg_runtime) {
7331 run = path_join(paths->runtime_config, name);
7332 if (!run)
7333 return log_oom();
7334 }
7335
7336 if (arg_runtime) {
7337 if (access(path, F_OK) >= 0)
7338 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7339 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7340 run, path);
7341
7342 *ret_path = TAKE_PTR(run);
7343 } else
7344 *ret_path = TAKE_PTR(path);
7345
7346 return 0;
7347 }
7348
7349 static int unit_file_create_new(
7350 const LookupPaths *paths,
7351 const char *unit_name,
7352 const char *suffix,
7353 char **ret_new_path,
7354 char **ret_tmp_path) {
7355
7356 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7357 const char *ending;
7358 int r;
7359
7360 assert(unit_name);
7361 assert(ret_new_path);
7362 assert(ret_tmp_path);
7363
7364 ending = strjoina(unit_name, suffix);
7365 r = get_file_to_edit(paths, ending, &new_path);
7366 if (r < 0)
7367 return r;
7368
7369 r = create_edit_temp_file(new_path, new_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 unit_file_create_copy(
7380 const LookupPaths *paths,
7381 const char *unit_name,
7382 const char *fragment_path,
7383 char **ret_new_path,
7384 char **ret_tmp_path) {
7385
7386 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7387 int r;
7388
7389 assert(fragment_path);
7390 assert(unit_name);
7391 assert(ret_new_path);
7392 assert(ret_tmp_path);
7393
7394 r = get_file_to_edit(paths, unit_name, &new_path);
7395 if (r < 0)
7396 return r;
7397
7398 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7399 char response;
7400
7401 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7402 if (r < 0)
7403 return r;
7404 if (response != 'y')
7405 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7406 }
7407
7408 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7409 if (r < 0)
7410 return r;
7411
7412 *ret_new_path = TAKE_PTR(new_path);
7413 *ret_tmp_path = TAKE_PTR(tmp_path);
7414
7415 return 0;
7416 }
7417
7418 static int run_editor(char **paths) {
7419 int r;
7420
7421 assert(paths);
7422
7423 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7424 if (r < 0)
7425 return r;
7426 if (r == 0) {
7427 char **editor_args = NULL, **tmp_path, **original_path;
7428 size_t n_editor_args = 0, i = 1, argc;
7429 const char **args, *editor, *p;
7430
7431 argc = strv_length(paths)/2 + 1;
7432
7433 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7434 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7435 * we try to execute well known editors
7436 */
7437 editor = getenv("SYSTEMD_EDITOR");
7438 if (!editor)
7439 editor = getenv("EDITOR");
7440 if (!editor)
7441 editor = getenv("VISUAL");
7442
7443 if (!isempty(editor)) {
7444 editor_args = strv_split(editor, WHITESPACE);
7445 if (!editor_args) {
7446 (void) log_oom();
7447 _exit(EXIT_FAILURE);
7448 }
7449 n_editor_args = strv_length(editor_args);
7450 argc += n_editor_args - 1;
7451 }
7452
7453 args = newa(const char*, argc + 1);
7454
7455 if (n_editor_args > 0) {
7456 args[0] = editor_args[0];
7457 for (; i < n_editor_args; i++)
7458 args[i] = editor_args[i];
7459 }
7460
7461 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7462 args[i++] = *tmp_path;
7463 args[i] = NULL;
7464
7465 if (n_editor_args > 0)
7466 execvp(args[0], (char* const*) args);
7467
7468 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7469 args[0] = p;
7470 execvp(p, (char* const*) args);
7471 /* We do not fail if the editor doesn't exist
7472 * because we want to try each one of them before
7473 * failing.
7474 */
7475 if (errno != ENOENT) {
7476 log_error_errno(errno, "Failed to execute %s: %m", editor);
7477 _exit(EXIT_FAILURE);
7478 }
7479 }
7480
7481 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7482 _exit(EXIT_FAILURE);
7483 }
7484
7485 return 0;
7486 }
7487
7488 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7489 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7490 char **name;
7491 int r;
7492
7493 assert(names);
7494 assert(paths);
7495
7496 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7497 if (r < 0)
7498 return r;
7499
7500 STRV_FOREACH(name, names) {
7501 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7502 const char *unit_name;
7503
7504 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7505 if (r == -EKEYREJECTED) {
7506 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7507 * file path. In that case, find the file client side. */
7508 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7509 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7510 }
7511 if (r == -ERFKILL)
7512 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7513 if (r < 0)
7514 return r;
7515
7516 if (r == 0) {
7517 assert(!path);
7518
7519 if (!arg_force) {
7520 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7521 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7522 arg_scope == UNIT_FILE_USER ? " --user" : "",
7523 *name);
7524 return -ENOENT;
7525 }
7526
7527 /* Create a new unit from scratch */
7528 unit_name = *name;
7529 r = unit_file_create_new(&lp, unit_name,
7530 arg_full ? NULL : ".d/override.conf",
7531 &new_path, &tmp_path);
7532 } else {
7533 assert(path);
7534
7535 unit_name = basename(path);
7536 /* We follow unit aliases, but we need to propagate the instance */
7537 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7538 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7539 _cleanup_free_ char *instance = NULL;
7540
7541 r = unit_name_to_instance(*name, &instance);
7542 if (r < 0)
7543 return r;
7544
7545 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7546 if (r < 0)
7547 return r;
7548
7549 unit_name = tmp_name;
7550 }
7551
7552 if (arg_full)
7553 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7554 else
7555 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7556 }
7557 if (r < 0)
7558 return r;
7559
7560 r = strv_push_pair(paths, new_path, tmp_path);
7561 if (r < 0)
7562 return log_oom();
7563
7564 new_path = tmp_path = NULL;
7565 }
7566
7567 return 0;
7568 }
7569
7570 static int edit(int argc, char *argv[], void *userdata) {
7571 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7572 _cleanup_strv_free_ char **names = NULL;
7573 _cleanup_strv_free_ char **paths = NULL;
7574 char **original, **tmp;
7575 sd_bus *bus;
7576 int r;
7577
7578 if (!on_tty())
7579 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7580
7581 if (arg_transport != BUS_TRANSPORT_LOCAL)
7582 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7583
7584 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7585 if (r < 0)
7586 return log_error_errno(r, "Failed to determine unit paths: %m");
7587
7588 r = acquire_bus(BUS_MANAGER, &bus);
7589 if (r < 0)
7590 return r;
7591
7592 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
7593 if (r < 0)
7594 return log_error_errno(r, "Failed to expand names: %m");
7595
7596 STRV_FOREACH(tmp, names) {
7597 r = unit_is_masked(bus, &lp, *tmp);
7598 if (r < 0)
7599 return r;
7600 if (r > 0)
7601 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7602 }
7603
7604 r = find_paths_to_edit(bus, names, &paths);
7605 if (r < 0)
7606 return r;
7607
7608 if (strv_isempty(paths))
7609 return -ENOENT;
7610
7611 r = run_editor(paths);
7612 if (r < 0)
7613 goto end;
7614
7615 STRV_FOREACH_PAIR(original, tmp, paths) {
7616 /* If the temporary file is empty we ignore it.
7617 * This allows the user to cancel the modification.
7618 */
7619 if (null_or_empty_path(*tmp)) {
7620 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7621 continue;
7622 }
7623
7624 r = rename(*tmp, *original);
7625 if (r < 0) {
7626 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7627 goto end;
7628 }
7629 }
7630
7631 r = 0;
7632
7633 if (!arg_no_reload && !install_client_side())
7634 r = daemon_reload(argc, argv, userdata);
7635
7636 end:
7637 STRV_FOREACH_PAIR(original, tmp, paths) {
7638 (void) unlink(*tmp);
7639
7640 /* Removing empty dropin dirs */
7641 if (!arg_full) {
7642 _cleanup_free_ char *dir;
7643
7644 dir = dirname_malloc(*original);
7645 if (!dir)
7646 return log_oom();
7647
7648 /* no need to check if the dir is empty, rmdir
7649 * does nothing if it is not the case.
7650 */
7651 (void) rmdir(dir);
7652 }
7653 }
7654
7655 return r;
7656 }
7657
7658 static int systemctl_help(void) {
7659 _cleanup_free_ char *link = NULL;
7660 int r;
7661
7662 (void) pager_open(arg_pager_flags);
7663
7664 r = terminal_urlify_man("systemctl", "1", &link);
7665 if (r < 0)
7666 return log_oom();
7667
7668 printf("%5$s%1$s [OPTIONS...] {COMMAND} ...\n\n"
7669 "Query or send control commands to the systemd manager.%6$s\n\n"
7670 "%3$sUnit Commands:%4$s\n"
7671 " list-units [PATTERN...] List units currently in memory\n"
7672 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7673 " ordered by address\n"
7674 " list-timers [PATTERN...] List timer units currently in memory,\n"
7675 " ordered by next elapse\n"
7676 " start UNIT... Start (activate) one or more units\n"
7677 " stop UNIT... Stop (deactivate) one or more units\n"
7678 " reload UNIT... Reload one or more units\n"
7679 " restart UNIT... Start or restart one or more units\n"
7680 " try-restart UNIT... Restart one or more units if active\n"
7681 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7682 " otherwise start or restart\n"
7683 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7684 " if supported, otherwise restart\n"
7685 " isolate UNIT Start one unit and stop all others\n"
7686 " kill UNIT... Send signal to processes of a unit\n"
7687 " clean UNIT... Clean runtime, cache, state, logs or\n"
7688 " or configuration of unit\n"
7689 " is-active PATTERN... Check whether units are active\n"
7690 " is-failed PATTERN... Check whether units are failed\n"
7691 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7692 " show [PATTERN...|JOB...] Show properties of one or more\n"
7693 " units/jobs or the manager\n"
7694 " cat PATTERN... Show files and drop-ins of specified units\n"
7695 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7696 " help PATTERN...|PID... Show manual for one or more units\n"
7697 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7698 " units\n"
7699 " list-dependencies [UNIT] Recursively show units which are required\n"
7700 " or wanted by this unit or by which this\n"
7701 " unit is required or wanted\n\n"
7702 "%3$sUnit File Commands:%4$s\n"
7703 " list-unit-files [PATTERN...] List installed unit files\n"
7704 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7705 " disable UNIT... Disable one or more unit files\n"
7706 " reenable UNIT... Reenable one or more unit files\n"
7707 " preset UNIT... Enable/disable one or more unit files\n"
7708 " based on preset configuration\n"
7709 " preset-all Enable/disable all unit files based on\n"
7710 " preset configuration\n"
7711 " is-enabled UNIT... Check whether unit files are enabled\n"
7712 " mask UNIT... Mask one or more units\n"
7713 " unmask UNIT... Unmask one or more units\n"
7714 " link PATH... Link one or more units files into\n"
7715 " the search path\n"
7716 " revert UNIT... Revert one or more unit files to vendor\n"
7717 " version\n"
7718 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7719 " on specified one or more units\n"
7720 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7721 " on specified one or more units\n"
7722 " edit UNIT... Edit one or more unit files\n"
7723 " get-default Get the name of the default target\n"
7724 " set-default TARGET Set the default target\n\n"
7725 "%3$sMachine Commands:%4$s\n"
7726 " list-machines [PATTERN...] List local containers and host\n\n"
7727 "%3$sJob Commands:%4$s\n"
7728 " list-jobs [PATTERN...] List jobs\n"
7729 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7730 "%3$sEnvironment Commands:%4$s\n"
7731 " show-environment Dump environment\n"
7732 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7733 " unset-environment VARIABLE... Unset one or more environment variables\n"
7734 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7735 "%3$sManager Lifecycle Commands:%4$s\n"
7736 " daemon-reload Reload systemd manager configuration\n"
7737 " daemon-reexec Reexecute systemd manager\n\n"
7738 "%3$sSystem Commands:%4$s\n"
7739 " is-system-running Check whether system is fully running\n"
7740 " default Enter system default mode\n"
7741 " rescue Enter system rescue mode\n"
7742 " emergency Enter system emergency mode\n"
7743 " halt Shut down and halt the system\n"
7744 " poweroff Shut down and power-off the system\n"
7745 " reboot [ARG] Shut down and reboot the system\n"
7746 " kexec Shut down and reboot the system with kexec\n"
7747 " exit [EXIT_CODE] Request user instance or container exit\n"
7748 " switch-root ROOT [INIT] Change to a different root file system\n"
7749 " suspend Suspend the system\n"
7750 " hibernate Hibernate the system\n"
7751 " hybrid-sleep Hibernate and suspend the system\n"
7752 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7753 " time and put it into hibernate\n"
7754 "\nOptions\n"
7755 " -h --help Show this help\n"
7756 " --version Show package version\n"
7757 " --system Connect to system manager\n"
7758 " --user Connect to user service manager\n"
7759 " -H --host=[USER@]HOST\n"
7760 " Operate on remote host\n"
7761 " -M --machine=CONTAINER\n"
7762 " Operate on local container\n"
7763 " -t --type=TYPE List units of a particular type\n"
7764 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7765 " --failed Shorcut for --state=failed\n"
7766 " -p --property=NAME Show only properties by this name\n"
7767 " -a --all Show all properties/all units currently in memory,\n"
7768 " including dead/empty ones. To list all units installed on\n"
7769 " the system, use the 'list-unit-files' command instead.\n"
7770 " -l --full Don't ellipsize unit names on output\n"
7771 " -r --recursive Show unit list of host and local containers\n"
7772 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7773 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7774 " queueing a new job\n"
7775 " -T --show-transaction\n"
7776 " When enqueuing a unit job, show full transaction\n"
7777 " --show-types When showing sockets, explicitly show their type\n"
7778 " --value When showing properties, only print the value\n"
7779 " -i --ignore-inhibitors\n"
7780 " When shutting down or sleeping, ignore inhibitors\n"
7781 " --kill-who=WHO Who to send signal to\n"
7782 " -s --signal=SIGNAL Which signal to send\n"
7783 " --what=RESOURCES Which types of resources to remove\n"
7784 " --now Start or stop unit in addition to enabling or disabling it\n"
7785 " --dry-run Only print what would be done\n"
7786 " -q --quiet Suppress output\n"
7787 " --wait For (re)start, wait until service stopped again\n"
7788 " For is-system-running, wait until startup is completed\n"
7789 " --no-block Do not wait until operation finished\n"
7790 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7791 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7792 " --no-legend Do not print a legend (column headers and hints)\n"
7793 " --no-pager Do not pipe output into a pager\n"
7794 " --no-ask-password\n"
7795 " Do not ask for system passwords\n"
7796 " --global Enable/disable/mask unit files globally\n"
7797 " --runtime Enable/disable/mask unit files temporarily until next\n"
7798 " reboot\n"
7799 " -f --force When enabling unit files, override existing symlinks\n"
7800 " When shutting down, execute action immediately\n"
7801 " --preset-mode= Apply only enable, only disable, or all presets\n"
7802 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7803 " directory\n"
7804 " -n --lines=INTEGER Number of journal entries to show\n"
7805 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7806 " short-iso, short-iso-precise, short-full,\n"
7807 " short-monotonic, short-unix,\n"
7808 " verbose, export, json, json-pretty, json-sse, cat)\n"
7809 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7810 " --boot-loader-menu=TIME\n"
7811 " Boot into boot loader menu on next boot\n"
7812 " --boot-loader-entry=NAME\n"
7813 " Boot into a specific boot loader entry on next boot\n"
7814 " --plain Print unit dependencies as a list instead of a tree\n"
7815 "\nSee the %2$s for details.\n"
7816 , program_invocation_short_name
7817 , link
7818 , ansi_underline(), ansi_normal()
7819 , ansi_highlight(), ansi_normal()
7820 );
7821
7822 return 0;
7823 }
7824
7825 static int halt_help(void) {
7826 _cleanup_free_ char *link = NULL;
7827 int r;
7828
7829 r = terminal_urlify_man("halt", "8", &link);
7830 if (r < 0)
7831 return log_oom();
7832
7833 printf("%s [OPTIONS...]%s\n\n"
7834 "%s the system.\n\n"
7835 " --help Show this help\n"
7836 " --halt Halt the machine\n"
7837 " -p --poweroff Switch off the machine\n"
7838 " --reboot Reboot the machine\n"
7839 " -f --force Force immediate halt/power-off/reboot\n"
7840 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7841 " -d --no-wtmp Don't write wtmp record\n"
7842 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7843 "\nSee the %s for details.\n"
7844 , program_invocation_short_name
7845 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7846 arg_action == ACTION_REBOOT ? "Reboot" :
7847 arg_action == ACTION_POWEROFF ? "Power off" :
7848 "Halt"
7849 , link
7850 );
7851
7852 return 0;
7853 }
7854
7855 static int shutdown_help(void) {
7856 _cleanup_free_ char *link = NULL;
7857 int r;
7858
7859 r = terminal_urlify_man("shutdown", "8", &link);
7860 if (r < 0)
7861 return log_oom();
7862
7863 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7864 "Shut down the system.\n\n"
7865 " --help Show this help\n"
7866 " -H --halt Halt the machine\n"
7867 " -P --poweroff Power-off the machine\n"
7868 " -r --reboot Reboot the machine\n"
7869 " -h Equivalent to --poweroff, overridden by --halt\n"
7870 " -k Don't halt/power-off/reboot, just send warnings\n"
7871 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7872 " -c Cancel a pending shutdown\n"
7873 "\nSee the %s for details.\n"
7874 , program_invocation_short_name
7875 , link
7876 );
7877
7878 return 0;
7879 }
7880
7881 static int telinit_help(void) {
7882 _cleanup_free_ char *link = NULL;
7883 int r;
7884
7885 r = terminal_urlify_man("telinit", "8", &link);
7886 if (r < 0)
7887 return log_oom();
7888
7889 printf("%s [OPTIONS...] {COMMAND}\n\n"
7890 "Send control commands to the init daemon.\n\n"
7891 " --help Show this help\n"
7892 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7893 "Commands:\n"
7894 " 0 Power-off the machine\n"
7895 " 6 Reboot the machine\n"
7896 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7897 " 1, s, S Enter rescue mode\n"
7898 " q, Q Reload init daemon configuration\n"
7899 " u, U Reexecute init daemon\n"
7900 "\nSee the %s for details.\n"
7901 , program_invocation_short_name
7902 , link
7903 );
7904
7905 return 0;
7906 }
7907
7908 static int runlevel_help(void) {
7909 _cleanup_free_ char *link = NULL;
7910 int r;
7911
7912 r = terminal_urlify_man("runlevel", "8", &link);
7913 if (r < 0)
7914 return log_oom();
7915
7916 printf("%s [OPTIONS...]\n\n"
7917 "Prints the previous and current runlevel of the init system.\n\n"
7918 " --help Show this help\n"
7919 "\nSee the %s for details.\n"
7920 , program_invocation_short_name
7921 , link
7922 );
7923
7924 return 0;
7925 }
7926
7927 static void help_types(void) {
7928 if (!arg_no_legend)
7929 puts("Available unit types:");
7930
7931 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7932 }
7933
7934 static void help_states(void) {
7935 if (!arg_no_legend)
7936 puts("Available unit load states:");
7937 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7938
7939 if (!arg_no_legend)
7940 puts("\nAvailable unit active states:");
7941 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7942
7943 if (!arg_no_legend)
7944 puts("\nAvailable unit file states:");
7945 DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX);
7946
7947 if (!arg_no_legend)
7948 puts("\nAvailable automount unit substates:");
7949 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7950
7951 if (!arg_no_legend)
7952 puts("\nAvailable device unit substates:");
7953 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7954
7955 if (!arg_no_legend)
7956 puts("\nAvailable mount unit substates:");
7957 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7958
7959 if (!arg_no_legend)
7960 puts("\nAvailable path unit substates:");
7961 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7962
7963 if (!arg_no_legend)
7964 puts("\nAvailable scope unit substates:");
7965 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7966
7967 if (!arg_no_legend)
7968 puts("\nAvailable service unit substates:");
7969 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7970
7971 if (!arg_no_legend)
7972 puts("\nAvailable slice unit substates:");
7973 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7974
7975 if (!arg_no_legend)
7976 puts("\nAvailable socket unit substates:");
7977 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7978
7979 if (!arg_no_legend)
7980 puts("\nAvailable swap unit substates:");
7981 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7982
7983 if (!arg_no_legend)
7984 puts("\nAvailable target unit substates:");
7985 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7986
7987 if (!arg_no_legend)
7988 puts("\nAvailable timer unit substates:");
7989 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7990 }
7991
7992 static int help_boot_loader_entry(void) {
7993 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7994 _cleanup_strv_free_ char **l = NULL;
7995 sd_bus *bus;
7996 char **i;
7997 int r;
7998
7999 r = acquire_bus(BUS_FULL, &bus);
8000 if (r < 0)
8001 return r;
8002
8003 r = sd_bus_get_property_strv(
8004 bus,
8005 "org.freedesktop.login1",
8006 "/org/freedesktop/login1",
8007 "org.freedesktop.login1.Manager",
8008 "BootLoaderEntries",
8009 &error,
8010 &l);
8011 if (r < 0)
8012 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
8013
8014 if (strv_isempty(l))
8015 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
8016
8017 STRV_FOREACH(i, l)
8018 puts(*i);
8019
8020 return 0;
8021 }
8022
8023 static int systemctl_parse_argv(int argc, char *argv[]) {
8024 enum {
8025 ARG_FAIL = 0x100,
8026 ARG_REVERSE,
8027 ARG_AFTER,
8028 ARG_BEFORE,
8029 ARG_DRY_RUN,
8030 ARG_SHOW_TYPES,
8031 ARG_IRREVERSIBLE,
8032 ARG_IGNORE_DEPENDENCIES,
8033 ARG_VALUE,
8034 ARG_VERSION,
8035 ARG_USER,
8036 ARG_SYSTEM,
8037 ARG_GLOBAL,
8038 ARG_NO_BLOCK,
8039 ARG_NO_LEGEND,
8040 ARG_NO_PAGER,
8041 ARG_NO_WALL,
8042 ARG_ROOT,
8043 ARG_NO_RELOAD,
8044 ARG_KILL_WHO,
8045 ARG_NO_ASK_PASSWORD,
8046 ARG_FAILED,
8047 ARG_RUNTIME,
8048 ARG_PLAIN,
8049 ARG_STATE,
8050 ARG_JOB_MODE,
8051 ARG_PRESET_MODE,
8052 ARG_FIRMWARE_SETUP,
8053 ARG_BOOT_LOADER_MENU,
8054 ARG_BOOT_LOADER_ENTRY,
8055 ARG_NOW,
8056 ARG_MESSAGE,
8057 ARG_WAIT,
8058 ARG_WHAT,
8059 };
8060
8061 static const struct option options[] = {
8062 { "help", no_argument, NULL, 'h' },
8063 { "version", no_argument, NULL, ARG_VERSION },
8064 { "type", required_argument, NULL, 't' },
8065 { "property", required_argument, NULL, 'p' },
8066 { "all", no_argument, NULL, 'a' },
8067 { "reverse", no_argument, NULL, ARG_REVERSE },
8068 { "after", no_argument, NULL, ARG_AFTER },
8069 { "before", no_argument, NULL, ARG_BEFORE },
8070 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8071 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8072 { "full", no_argument, NULL, 'l' },
8073 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8074 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8075 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8076 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8077 { "ignore-inhibitors", no_argument, NULL, 'i' },
8078 { "value", no_argument, NULL, ARG_VALUE },
8079 { "user", no_argument, NULL, ARG_USER },
8080 { "system", no_argument, NULL, ARG_SYSTEM },
8081 { "global", no_argument, NULL, ARG_GLOBAL },
8082 { "wait", no_argument, NULL, ARG_WAIT },
8083 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8084 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8085 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8086 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8087 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8088 { "quiet", no_argument, NULL, 'q' },
8089 { "root", required_argument, NULL, ARG_ROOT },
8090 { "force", no_argument, NULL, 'f' },
8091 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8092 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8093 { "signal", required_argument, NULL, 's' },
8094 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8095 { "host", required_argument, NULL, 'H' },
8096 { "machine", required_argument, NULL, 'M' },
8097 { "runtime", no_argument, NULL, ARG_RUNTIME },
8098 { "lines", required_argument, NULL, 'n' },
8099 { "output", required_argument, NULL, 'o' },
8100 { "plain", no_argument, NULL, ARG_PLAIN },
8101 { "state", required_argument, NULL, ARG_STATE },
8102 { "recursive", no_argument, NULL, 'r' },
8103 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8104 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8105 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8106 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8107 { "now", no_argument, NULL, ARG_NOW },
8108 { "message", required_argument, NULL, ARG_MESSAGE },
8109 { "show-transaction", no_argument, NULL, 'T' },
8110 { "what", required_argument, NULL, ARG_WHAT },
8111 {}
8112 };
8113
8114 int c, r;
8115
8116 assert(argc >= 0);
8117 assert(argv);
8118
8119 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8120 arg_ask_password = true;
8121
8122 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8123
8124 switch (c) {
8125
8126 case 'h':
8127 return systemctl_help();
8128
8129 case ARG_VERSION:
8130 return version();
8131
8132 case 't': {
8133 const char *p;
8134
8135 if (isempty(optarg))
8136 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8137 "--type= requires arguments.");
8138
8139 for (p = optarg;;) {
8140 _cleanup_free_ char *type = NULL;
8141
8142 r = extract_first_word(&p, &type, ",", 0);
8143 if (r < 0)
8144 return log_error_errno(r, "Failed to parse type: %s", optarg);
8145 if (r == 0)
8146 break;
8147
8148 if (streq(type, "help")) {
8149 help_types();
8150 return 0;
8151 }
8152
8153 if (unit_type_from_string(type) >= 0) {
8154 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8155 return log_oom();
8156 continue;
8157 }
8158
8159 /* It's much nicer to use --state= for
8160 * load states, but let's support this
8161 * in --types= too for compatibility
8162 * with old versions */
8163 if (unit_load_state_from_string(type) >= 0) {
8164 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8165 return log_oom();
8166 continue;
8167 }
8168
8169 log_error("Unknown unit type or load state '%s'.", type);
8170 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8171 "Use -t help to see a list of allowed values.");
8172 }
8173
8174 break;
8175 }
8176
8177 case 'p':
8178 /* Make sure that if the empty property list was specified, we won't show any
8179 properties. */
8180 if (isempty(optarg) && !arg_properties) {
8181 arg_properties = new0(char*, 1);
8182 if (!arg_properties)
8183 return log_oom();
8184 } else {
8185 const char *p;
8186
8187 for (p = optarg;;) {
8188 _cleanup_free_ char *prop = NULL;
8189
8190 r = extract_first_word(&p, &prop, ",", 0);
8191 if (r < 0)
8192 return log_error_errno(r, "Failed to parse property: %s", optarg);
8193 if (r == 0)
8194 break;
8195
8196 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8197 return log_oom();
8198 }
8199 }
8200
8201 /* If the user asked for a particular
8202 * property, show it to him, even if it is
8203 * empty. */
8204 arg_all = true;
8205
8206 break;
8207
8208 case 'a':
8209 arg_all = true;
8210 break;
8211
8212 case ARG_REVERSE:
8213 arg_dependency = DEPENDENCY_REVERSE;
8214 break;
8215
8216 case ARG_AFTER:
8217 arg_dependency = DEPENDENCY_AFTER;
8218 arg_jobs_after = true;
8219 break;
8220
8221 case ARG_BEFORE:
8222 arg_dependency = DEPENDENCY_BEFORE;
8223 arg_jobs_before = true;
8224 break;
8225
8226 case ARG_SHOW_TYPES:
8227 arg_show_types = true;
8228 break;
8229
8230 case ARG_VALUE:
8231 arg_value = true;
8232 break;
8233
8234 case ARG_JOB_MODE:
8235 arg_job_mode = optarg;
8236 break;
8237
8238 case ARG_FAIL:
8239 arg_job_mode = "fail";
8240 break;
8241
8242 case ARG_IRREVERSIBLE:
8243 arg_job_mode = "replace-irreversibly";
8244 break;
8245
8246 case ARG_IGNORE_DEPENDENCIES:
8247 arg_job_mode = "ignore-dependencies";
8248 break;
8249
8250 case ARG_USER:
8251 arg_scope = UNIT_FILE_USER;
8252 break;
8253
8254 case ARG_SYSTEM:
8255 arg_scope = UNIT_FILE_SYSTEM;
8256 break;
8257
8258 case ARG_GLOBAL:
8259 arg_scope = UNIT_FILE_GLOBAL;
8260 break;
8261
8262 case ARG_WAIT:
8263 arg_wait = true;
8264 break;
8265
8266 case ARG_NO_BLOCK:
8267 arg_no_block = true;
8268 break;
8269
8270 case ARG_NO_LEGEND:
8271 arg_no_legend = true;
8272 break;
8273
8274 case ARG_NO_PAGER:
8275 arg_pager_flags |= PAGER_DISABLE;
8276 break;
8277
8278 case ARG_NO_WALL:
8279 arg_no_wall = true;
8280 break;
8281
8282 case ARG_ROOT:
8283 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8284 if (r < 0)
8285 return r;
8286 break;
8287
8288 case 'l':
8289 arg_full = true;
8290 break;
8291
8292 case ARG_FAILED:
8293 if (strv_extend(&arg_states, "failed") < 0)
8294 return log_oom();
8295
8296 break;
8297
8298 case ARG_DRY_RUN:
8299 arg_dry_run = true;
8300 break;
8301
8302 case 'q':
8303 arg_quiet = true;
8304 break;
8305
8306 case 'f':
8307 arg_force++;
8308 break;
8309
8310 case ARG_NO_RELOAD:
8311 arg_no_reload = true;
8312 break;
8313
8314 case ARG_KILL_WHO:
8315 arg_kill_who = optarg;
8316 break;
8317
8318 case 's':
8319 if (streq(optarg, "help")) {
8320 DUMP_STRING_TABLE(signal, int, _NSIG);
8321 return 0;
8322 }
8323
8324 arg_signal = signal_from_string(optarg);
8325 if (arg_signal < 0)
8326 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8327 "Failed to parse signal string %s.",
8328 optarg);
8329 break;
8330
8331 case ARG_NO_ASK_PASSWORD:
8332 arg_ask_password = false;
8333 break;
8334
8335 case 'H':
8336 arg_transport = BUS_TRANSPORT_REMOTE;
8337 arg_host = optarg;
8338 break;
8339
8340 case 'M':
8341 arg_transport = BUS_TRANSPORT_MACHINE;
8342 arg_host = optarg;
8343 break;
8344
8345 case ARG_RUNTIME:
8346 arg_runtime = true;
8347 break;
8348
8349 case 'n':
8350 if (safe_atou(optarg, &arg_lines) < 0)
8351 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8352 "Failed to parse lines '%s'",
8353 optarg);
8354 break;
8355
8356 case 'o':
8357 if (streq(optarg, "help")) {
8358 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8359 return 0;
8360 }
8361
8362 arg_output = output_mode_from_string(optarg);
8363 if (arg_output < 0)
8364 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8365 "Unknown output '%s'.",
8366 optarg);
8367 break;
8368
8369 case 'i':
8370 arg_ignore_inhibitors = true;
8371 break;
8372
8373 case ARG_PLAIN:
8374 arg_plain = true;
8375 break;
8376
8377 case ARG_FIRMWARE_SETUP:
8378 arg_firmware_setup = true;
8379 break;
8380
8381 case ARG_BOOT_LOADER_MENU:
8382
8383 r = parse_sec(optarg, &arg_boot_loader_menu);
8384 if (r < 0)
8385 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8386
8387 break;
8388
8389 case ARG_BOOT_LOADER_ENTRY:
8390
8391 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8392 r = help_boot_loader_entry();
8393 if (r < 0)
8394 return r;
8395
8396 return 0;
8397 }
8398
8399 arg_boot_loader_entry = empty_to_null(optarg);
8400 break;
8401
8402 case ARG_STATE: {
8403 const char *p;
8404
8405 if (isempty(optarg))
8406 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8407 "--state= requires arguments.");
8408
8409 for (p = optarg;;) {
8410 _cleanup_free_ char *s = NULL;
8411
8412 r = extract_first_word(&p, &s, ",", 0);
8413 if (r < 0)
8414 return log_error_errno(r, "Failed to parse state: %s", optarg);
8415 if (r == 0)
8416 break;
8417
8418 if (streq(s, "help")) {
8419 help_states();
8420 return 0;
8421 }
8422
8423 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8424 return log_oom();
8425 }
8426 break;
8427 }
8428
8429 case 'r':
8430 if (geteuid() != 0)
8431 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8432 "--recursive requires root privileges.");
8433
8434 arg_recursive = true;
8435 break;
8436
8437 case ARG_PRESET_MODE:
8438 if (streq(optarg, "help")) {
8439 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8440 return 0;
8441 }
8442
8443 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8444 if (arg_preset_mode < 0)
8445 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8446 "Failed to parse preset mode: %s.", optarg);
8447
8448 break;
8449
8450 case ARG_NOW:
8451 arg_now = true;
8452 break;
8453
8454 case ARG_MESSAGE:
8455 if (strv_extend(&arg_wall, optarg) < 0)
8456 return log_oom();
8457 break;
8458
8459 case 'T':
8460 arg_show_transaction = true;
8461 break;
8462
8463 case ARG_WHAT: {
8464 const char *p;
8465
8466 if (isempty(optarg))
8467 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8468
8469 for (p = optarg;;) {
8470 _cleanup_free_ char *k = NULL;
8471
8472 r = extract_first_word(&p, &k, ",", 0);
8473 if (r < 0)
8474 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8475 if (r == 0)
8476 break;
8477
8478 if (streq(k, "help")) {
8479 puts("runtime\n"
8480 "state\n"
8481 "cache\n"
8482 "logs\n"
8483 "configuration");
8484 return 0;
8485 }
8486
8487 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8488 if (r < 0)
8489 return log_oom();
8490 }
8491
8492 break;
8493 }
8494
8495 case '.':
8496 /* Output an error mimicking getopt, and print a hint afterwards */
8497 log_error("%s: invalid option -- '.'", program_invocation_name);
8498 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8499 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8500 program_invocation_name, optarg ?: "mount");
8501 _fallthrough_;
8502
8503 case '?':
8504 return -EINVAL;
8505
8506 default:
8507 assert_not_reached("Unhandled option");
8508 }
8509
8510 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8511 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8512 "Cannot access user instance remotely.");
8513
8514 if (arg_wait && arg_no_block)
8515 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8516 "--wait may not be combined with --no-block.");
8517
8518 return 1;
8519 }
8520
8521 static int halt_parse_argv(int argc, char *argv[]) {
8522 enum {
8523 ARG_HELP = 0x100,
8524 ARG_HALT,
8525 ARG_REBOOT,
8526 ARG_NO_WALL
8527 };
8528
8529 static const struct option options[] = {
8530 { "help", no_argument, NULL, ARG_HELP },
8531 { "halt", no_argument, NULL, ARG_HALT },
8532 { "poweroff", no_argument, NULL, 'p' },
8533 { "reboot", no_argument, NULL, ARG_REBOOT },
8534 { "force", no_argument, NULL, 'f' },
8535 { "wtmp-only", no_argument, NULL, 'w' },
8536 { "no-wtmp", no_argument, NULL, 'd' },
8537 { "no-sync", no_argument, NULL, 'n' },
8538 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8539 {}
8540 };
8541
8542 int c, r, runlevel;
8543
8544 assert(argc >= 0);
8545 assert(argv);
8546
8547 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8548 if (IN_SET(runlevel, '0', '6'))
8549 arg_force = 2;
8550
8551 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8552 switch (c) {
8553
8554 case ARG_HELP:
8555 return halt_help();
8556
8557 case ARG_HALT:
8558 arg_action = ACTION_HALT;
8559 break;
8560
8561 case 'p':
8562 if (arg_action != ACTION_REBOOT)
8563 arg_action = ACTION_POWEROFF;
8564 break;
8565
8566 case ARG_REBOOT:
8567 arg_action = ACTION_REBOOT;
8568 break;
8569
8570 case 'f':
8571 arg_force = 2;
8572 break;
8573
8574 case 'w':
8575 arg_dry_run = true;
8576 break;
8577
8578 case 'd':
8579 arg_no_wtmp = true;
8580 break;
8581
8582 case 'n':
8583 arg_no_sync = true;
8584 break;
8585
8586 case ARG_NO_WALL:
8587 arg_no_wall = true;
8588 break;
8589
8590 case 'i':
8591 case 'h':
8592 /* Compatibility nops */
8593 break;
8594
8595 case '?':
8596 return -EINVAL;
8597
8598 default:
8599 assert_not_reached("Unhandled option");
8600 }
8601
8602 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8603 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8604 if (r < 0)
8605 return r;
8606 } else if (optind < argc)
8607 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8608 "Too many arguments.");
8609
8610 return 1;
8611 }
8612
8613 static int shutdown_parse_argv(int argc, char *argv[]) {
8614 enum {
8615 ARG_HELP = 0x100,
8616 ARG_NO_WALL
8617 };
8618
8619 static const struct option options[] = {
8620 { "help", no_argument, NULL, ARG_HELP },
8621 { "halt", no_argument, NULL, 'H' },
8622 { "poweroff", no_argument, NULL, 'P' },
8623 { "reboot", no_argument, NULL, 'r' },
8624 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8625 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8626 {}
8627 };
8628
8629 char **wall = NULL;
8630 int c, r;
8631
8632 assert(argc >= 0);
8633 assert(argv);
8634
8635 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8636 switch (c) {
8637
8638 case ARG_HELP:
8639 return shutdown_help();
8640
8641 case 'H':
8642 arg_action = ACTION_HALT;
8643 break;
8644
8645 case 'P':
8646 arg_action = ACTION_POWEROFF;
8647 break;
8648
8649 case 'r':
8650 if (kexec_loaded())
8651 arg_action = ACTION_KEXEC;
8652 else
8653 arg_action = ACTION_REBOOT;
8654 break;
8655
8656 case 'K':
8657 arg_action = ACTION_KEXEC;
8658 break;
8659
8660 case 'h':
8661 if (arg_action != ACTION_HALT)
8662 arg_action = ACTION_POWEROFF;
8663 break;
8664
8665 case 'k':
8666 arg_dry_run = true;
8667 break;
8668
8669 case ARG_NO_WALL:
8670 arg_no_wall = true;
8671 break;
8672
8673 case 'a':
8674 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8675 case 'f':
8676 case 'F':
8677 /* Compatibility nops */
8678 break;
8679
8680 case 'c':
8681 arg_action = ACTION_CANCEL_SHUTDOWN;
8682 break;
8683
8684 case '?':
8685 return -EINVAL;
8686
8687 default:
8688 assert_not_reached("Unhandled option");
8689 }
8690
8691 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8692 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8693 if (r < 0) {
8694 log_error("Failed to parse time specification: %s", argv[optind]);
8695 return r;
8696 }
8697 } else
8698 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8699
8700 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8701 /* No time argument for shutdown cancel */
8702 wall = argv + optind;
8703 else if (argc > optind + 1)
8704 /* We skip the time argument */
8705 wall = argv + optind + 1;
8706
8707 if (wall) {
8708 arg_wall = strv_copy(wall);
8709 if (!arg_wall)
8710 return log_oom();
8711 }
8712
8713 optind = argc;
8714
8715 return 1;
8716 }
8717
8718 static int telinit_parse_argv(int argc, char *argv[]) {
8719 enum {
8720 ARG_HELP = 0x100,
8721 ARG_NO_WALL
8722 };
8723
8724 static const struct option options[] = {
8725 { "help", no_argument, NULL, ARG_HELP },
8726 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8727 {}
8728 };
8729
8730 static const struct {
8731 char from;
8732 enum action to;
8733 } table[] = {
8734 { '0', ACTION_POWEROFF },
8735 { '6', ACTION_REBOOT },
8736 { '1', ACTION_RESCUE },
8737 { '2', ACTION_RUNLEVEL2 },
8738 { '3', ACTION_RUNLEVEL3 },
8739 { '4', ACTION_RUNLEVEL4 },
8740 { '5', ACTION_RUNLEVEL5 },
8741 { 's', ACTION_RESCUE },
8742 { 'S', ACTION_RESCUE },
8743 { 'q', ACTION_RELOAD },
8744 { 'Q', ACTION_RELOAD },
8745 { 'u', ACTION_REEXEC },
8746 { 'U', ACTION_REEXEC }
8747 };
8748
8749 unsigned i;
8750 int c;
8751
8752 assert(argc >= 0);
8753 assert(argv);
8754
8755 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8756 switch (c) {
8757
8758 case ARG_HELP:
8759 return telinit_help();
8760
8761 case ARG_NO_WALL:
8762 arg_no_wall = true;
8763 break;
8764
8765 case '?':
8766 return -EINVAL;
8767
8768 default:
8769 assert_not_reached("Unhandled option");
8770 }
8771
8772 if (optind >= argc)
8773 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8774 "%s: required argument missing.",
8775 program_invocation_short_name);
8776
8777 if (optind + 1 < argc)
8778 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8779 "Too many arguments.");
8780
8781 if (strlen(argv[optind]) != 1)
8782 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8783 "Expected single character argument.");
8784
8785 for (i = 0; i < ELEMENTSOF(table); i++)
8786 if (table[i].from == argv[optind][0])
8787 break;
8788
8789 if (i >= ELEMENTSOF(table))
8790 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8791 "Unknown command '%s'.", argv[optind]);
8792
8793 arg_action = table[i].to;
8794
8795 optind++;
8796
8797 return 1;
8798 }
8799
8800 static int runlevel_parse_argv(int argc, char *argv[]) {
8801 enum {
8802 ARG_HELP = 0x100,
8803 };
8804
8805 static const struct option options[] = {
8806 { "help", no_argument, NULL, ARG_HELP },
8807 {}
8808 };
8809
8810 int c;
8811
8812 assert(argc >= 0);
8813 assert(argv);
8814
8815 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8816 switch (c) {
8817
8818 case ARG_HELP:
8819 return runlevel_help();
8820
8821 case '?':
8822 return -EINVAL;
8823
8824 default:
8825 assert_not_reached("Unhandled option");
8826 }
8827
8828 if (optind < argc)
8829 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8830 "Too many arguments.");
8831
8832 return 1;
8833 }
8834
8835 static int parse_argv(int argc, char *argv[]) {
8836 assert(argc >= 0);
8837 assert(argv);
8838
8839 if (program_invocation_short_name) {
8840
8841 if (strstr(program_invocation_short_name, "halt")) {
8842 arg_action = ACTION_HALT;
8843 return halt_parse_argv(argc, argv);
8844
8845 } else if (strstr(program_invocation_short_name, "poweroff")) {
8846 arg_action = ACTION_POWEROFF;
8847 return halt_parse_argv(argc, argv);
8848
8849 } else if (strstr(program_invocation_short_name, "reboot")) {
8850 if (kexec_loaded())
8851 arg_action = ACTION_KEXEC;
8852 else
8853 arg_action = ACTION_REBOOT;
8854 return halt_parse_argv(argc, argv);
8855
8856 } else if (strstr(program_invocation_short_name, "shutdown")) {
8857 arg_action = ACTION_POWEROFF;
8858 return shutdown_parse_argv(argc, argv);
8859
8860 } else if (strstr(program_invocation_short_name, "init")) {
8861
8862 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8863 * 1 on SysV.
8864 *
8865 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8866 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8867 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8868 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8869 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8870 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8871 * quick way to match both.
8872 *
8873 * Also see redirect_telinit() in src/core/main.c. */
8874
8875 if (sd_booted() > 0) {
8876 arg_action = _ACTION_INVALID;
8877 return telinit_parse_argv(argc, argv);
8878 } else {
8879 /* Hmm, so some other init system is running, we need to forward this request to
8880 * it. For now we simply guess that it is Upstart. */
8881
8882 (void) rlimit_nofile_safe();
8883 execv(TELINIT, argv);
8884
8885 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8886 "Couldn't find an alternative telinit implementation to spawn.");
8887 }
8888
8889 } else if (strstr(program_invocation_short_name, "runlevel")) {
8890 arg_action = ACTION_RUNLEVEL;
8891 return runlevel_parse_argv(argc, argv);
8892 }
8893 }
8894
8895 arg_action = ACTION_SYSTEMCTL;
8896 return systemctl_parse_argv(argc, argv);
8897 }
8898
8899 #if HAVE_SYSV_COMPAT
8900 _pure_ static int action_to_runlevel(void) {
8901 static const char table[_ACTION_MAX] = {
8902 [ACTION_HALT] = '0',
8903 [ACTION_POWEROFF] = '0',
8904 [ACTION_REBOOT] = '6',
8905 [ACTION_RUNLEVEL2] = '2',
8906 [ACTION_RUNLEVEL3] = '3',
8907 [ACTION_RUNLEVEL4] = '4',
8908 [ACTION_RUNLEVEL5] = '5',
8909 [ACTION_RESCUE] = '1'
8910 };
8911
8912 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8913 return table[arg_action];
8914 }
8915 #endif
8916
8917 static int systemctl_main(int argc, char *argv[]) {
8918 static const Verb verbs[] = {
8919 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8920 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8921 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8922 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8923 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8924 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8925 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8926 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8927 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8928 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8929 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8930 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8931 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8932 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8933 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8934 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8935 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8936 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8937 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8938 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8939 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8940 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8941 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_unit },
8942 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8943 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8944 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8945 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8946 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8947 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8948 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8949 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8950 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8951 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8952 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8953 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8954 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8955 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8956 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8957 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8958 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8959 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8960 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8961 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8962 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8963 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8964 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8965 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8966 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8967 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8968 { "enable", 2, VERB_ANY, 0, enable_unit },
8969 { "disable", 2, VERB_ANY, 0, enable_unit },
8970 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8971 { "reenable", 2, VERB_ANY, 0, enable_unit },
8972 { "preset", 2, VERB_ANY, 0, enable_unit },
8973 { "preset-all", VERB_ANY, 1, 0, preset_all },
8974 { "mask", 2, VERB_ANY, 0, enable_unit },
8975 { "unmask", 2, VERB_ANY, 0, enable_unit },
8976 { "link", 2, VERB_ANY, 0, enable_unit },
8977 { "revert", 2, VERB_ANY, 0, enable_unit },
8978 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8979 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8980 { "set-default", 2, 2, 0, set_default },
8981 { "get-default", VERB_ANY, 1, 0, get_default },
8982 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8983 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8984 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8985 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8986 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8987 {}
8988 };
8989
8990 return dispatch_verb(argc, argv, verbs, NULL);
8991 }
8992
8993 static int reload_with_fallback(void) {
8994 /* First, try systemd via D-Bus. */
8995 if (daemon_reload(0, NULL, NULL) >= 0)
8996 return 0;
8997
8998 /* Nothing else worked, so let's try signals */
8999 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
9000
9001 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
9002 return log_error_errno(errno, "kill() failed: %m");
9003
9004 return 0;
9005 }
9006
9007 static int start_with_fallback(void) {
9008 /* First, try systemd via D-Bus. */
9009 if (start_unit(0, NULL, NULL) == 0)
9010 return 0;
9011
9012 #if HAVE_SYSV_COMPAT
9013 /* Nothing else worked, so let's try /dev/initctl */
9014 if (talk_initctl(action_to_runlevel()) > 0)
9015 return 0;
9016 #endif
9017
9018 return log_error_errno(SYNTHETIC_ERRNO(EIO),
9019 "Failed to talk to init daemon.");
9020 }
9021
9022 static int halt_now(enum action a) {
9023 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
9024 * synced explicitly in advance. */
9025 if (!arg_no_sync && !arg_dry_run)
9026 (void) sync();
9027
9028 /* Make sure C-A-D is handled by the kernel from this point on... */
9029 if (!arg_dry_run)
9030 (void) reboot(RB_ENABLE_CAD);
9031
9032 switch (a) {
9033
9034 case ACTION_HALT:
9035 if (!arg_quiet)
9036 log_info("Halting.");
9037 if (arg_dry_run)
9038 return 0;
9039 (void) reboot(RB_HALT_SYSTEM);
9040 return -errno;
9041
9042 case ACTION_POWEROFF:
9043 if (!arg_quiet)
9044 log_info("Powering off.");
9045 if (arg_dry_run)
9046 return 0;
9047 (void) reboot(RB_POWER_OFF);
9048 return -errno;
9049
9050 case ACTION_KEXEC:
9051 case ACTION_REBOOT:
9052 return reboot_with_parameter(REBOOT_FALLBACK |
9053 (arg_quiet ? 0 : REBOOT_LOG) |
9054 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9055
9056 default:
9057 assert_not_reached("Unknown action.");
9058 }
9059 }
9060
9061 static int logind_schedule_shutdown(void) {
9062
9063 #if ENABLE_LOGIND
9064 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9065 char date[FORMAT_TIMESTAMP_MAX];
9066 const char *action;
9067 sd_bus *bus;
9068 int r;
9069
9070 r = acquire_bus(BUS_FULL, &bus);
9071 if (r < 0)
9072 return r;
9073
9074 switch (arg_action) {
9075 case ACTION_HALT:
9076 action = "halt";
9077 break;
9078 case ACTION_POWEROFF:
9079 action = "poweroff";
9080 break;
9081 case ACTION_KEXEC:
9082 action = "kexec";
9083 break;
9084 case ACTION_EXIT:
9085 action = "exit";
9086 break;
9087 case ACTION_REBOOT:
9088 default:
9089 action = "reboot";
9090 break;
9091 }
9092
9093 if (arg_dry_run)
9094 action = strjoina("dry-", action);
9095
9096 (void) logind_set_wall_message();
9097
9098 r = sd_bus_call_method(
9099 bus,
9100 "org.freedesktop.login1",
9101 "/org/freedesktop/login1",
9102 "org.freedesktop.login1.Manager",
9103 "ScheduleShutdown",
9104 &error,
9105 NULL,
9106 "st",
9107 action,
9108 arg_when);
9109 if (r < 0)
9110 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9111
9112 if (!arg_quiet)
9113 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9114 return 0;
9115 #else
9116 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9117 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9118 #endif
9119 }
9120
9121 static int halt_main(void) {
9122 int r;
9123
9124 r = logind_check_inhibitors(arg_action);
9125 if (r < 0)
9126 return r;
9127
9128 /* Delayed shutdown requested, and was successful */
9129 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9130 return 0;
9131 /* no delay, or logind failed or is not at all available */
9132
9133 if (geteuid() != 0) {
9134 if (arg_dry_run || arg_force > 0) {
9135 (void) must_be_root();
9136 return -EPERM;
9137 }
9138
9139 /* Try logind if we are a normal user and no special
9140 * mode applies. Maybe polkit allows us to shutdown
9141 * the machine. */
9142 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9143 r = logind_reboot(arg_action);
9144 if (r >= 0)
9145 return r;
9146 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9147 /* requested operation is not
9148 * supported on the local system or
9149 * already in progress */
9150 return r;
9151 /* on all other errors, try low-level operation */
9152 }
9153 }
9154
9155 /* In order to minimize the difference between operation with and
9156 * without logind, we explicitly enable non-blocking mode for this,
9157 * as logind's shutdown operations are always non-blocking. */
9158 arg_no_block = true;
9159
9160 if (!arg_dry_run && !arg_force)
9161 return start_with_fallback();
9162
9163 assert(geteuid() == 0);
9164
9165 if (!arg_no_wtmp) {
9166 if (sd_booted() > 0)
9167 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9168 else {
9169 r = utmp_put_shutdown();
9170 if (r < 0)
9171 log_warning_errno(r, "Failed to write utmp record: %m");
9172 }
9173 }
9174
9175 if (arg_dry_run)
9176 return 0;
9177
9178 r = halt_now(arg_action);
9179 return log_error_errno(r, "Failed to reboot: %m");
9180 }
9181
9182 static int runlevel_main(void) {
9183 int r, runlevel, previous;
9184
9185 r = utmp_get_runlevel(&runlevel, &previous);
9186 if (r < 0) {
9187 puts("unknown");
9188 return r;
9189 }
9190
9191 printf("%c %c\n",
9192 previous <= 0 ? 'N' : previous,
9193 runlevel <= 0 ? 'N' : runlevel);
9194
9195 return 0;
9196 }
9197
9198 static int logind_cancel_shutdown(void) {
9199 #if ENABLE_LOGIND
9200 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9201 sd_bus *bus;
9202 int r;
9203
9204 r = acquire_bus(BUS_FULL, &bus);
9205 if (r < 0)
9206 return r;
9207
9208 (void) logind_set_wall_message();
9209
9210 r = sd_bus_call_method(
9211 bus,
9212 "org.freedesktop.login1",
9213 "/org/freedesktop/login1",
9214 "org.freedesktop.login1.Manager",
9215 "CancelScheduledShutdown",
9216 &error,
9217 NULL, NULL);
9218 if (r < 0)
9219 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9220
9221 return 0;
9222 #else
9223 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9224 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9225 #endif
9226 }
9227
9228 static int run(int argc, char *argv[]) {
9229 int r;
9230
9231 setlocale(LC_ALL, "");
9232 log_parse_environment();
9233 log_open();
9234
9235 /* The journal merging logic potentially needs a lot of fds. */
9236 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9237
9238 sigbus_install();
9239
9240 /* Explicitly not on_tty() to avoid setting cached value.
9241 * This becomes relevant for piping output which might be
9242 * ellipsized. */
9243 original_stdout_is_tty = isatty(STDOUT_FILENO);
9244
9245 r = parse_argv(argc, argv);
9246 if (r <= 0)
9247 goto finish;
9248
9249 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9250 if (!arg_quiet)
9251 log_info("Running in chroot, ignoring request.");
9252 r = 0;
9253 goto finish;
9254 }
9255
9256 /* systemctl_main() will print an error message for the bus
9257 * connection, but only if it needs to */
9258
9259 switch (arg_action) {
9260
9261 case ACTION_SYSTEMCTL:
9262 r = systemctl_main(argc, argv);
9263 break;
9264
9265 /* Legacy command aliases set arg_action. They provide some fallbacks,
9266 * e.g. to tell sysvinit to reboot after you have installed systemd
9267 * binaries. */
9268
9269 case ACTION_HALT:
9270 case ACTION_POWEROFF:
9271 case ACTION_REBOOT:
9272 case ACTION_KEXEC:
9273 r = halt_main();
9274 break;
9275
9276 case ACTION_RUNLEVEL2:
9277 case ACTION_RUNLEVEL3:
9278 case ACTION_RUNLEVEL4:
9279 case ACTION_RUNLEVEL5:
9280 case ACTION_RESCUE:
9281 r = start_with_fallback();
9282 break;
9283
9284 case ACTION_RELOAD:
9285 case ACTION_REEXEC:
9286 r = reload_with_fallback();
9287 break;
9288
9289 case ACTION_CANCEL_SHUTDOWN:
9290 r = logind_cancel_shutdown();
9291 break;
9292
9293 case ACTION_RUNLEVEL:
9294 r = runlevel_main();
9295 break;
9296
9297 case ACTION_EXIT:
9298 case ACTION_SUSPEND:
9299 case ACTION_HIBERNATE:
9300 case ACTION_HYBRID_SLEEP:
9301 case ACTION_SUSPEND_THEN_HIBERNATE:
9302 case ACTION_EMERGENCY:
9303 case ACTION_DEFAULT:
9304 /* systemctl verbs with no equivalent in the legacy commands.
9305 * These cannot appear in arg_action. Fall through. */
9306
9307 case _ACTION_INVALID:
9308 default:
9309 assert_not_reached("Unknown action");
9310 }
9311
9312 finish:
9313 release_busses();
9314
9315 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9316 return r;
9317 }
9318
9319 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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