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Merge pull request #13142 from yuwata/network-wifi-ssid-support-nl80211
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/mount.h>
12 #include <sys/prctl.h>
13 #include <sys/reboot.h>
14 #include <sys/socket.h>
15 #include <unistd.h>
16
17 #include "sd-bus.h"
18 #include "sd-daemon.h"
19 #include "sd-event.h"
20 #include "sd-login.h"
21
22 #include "alloc-util.h"
23 #include "bootspec.h"
24 #include "bus-common-errors.h"
25 #include "bus-error.h"
26 #include "bus-message.h"
27 #include "bus-unit-procs.h"
28 #include "bus-unit-util.h"
29 #include "bus-util.h"
30 #include "bus-wait-for-jobs.h"
31 #include "bus-wait-for-units.h"
32 #include "cgroup-show.h"
33 #include "cgroup-util.h"
34 #include "copy.h"
35 #include "cpu-set-util.h"
36 #include "dirent-util.h"
37 #include "dropin.h"
38 #include "efivars.h"
39 #include "env-util.h"
40 #include "escape.h"
41 #include "exec-util.h"
42 #include "exit-status.h"
43 #include "fd-util.h"
44 #include "format-util.h"
45 #include "fs-util.h"
46 #include "glob-util.h"
47 #include "hexdecoct.h"
48 #include "hostname-util.h"
49 #include "in-addr-util.h"
50 #include "initreq.h"
51 #include "install.h"
52 #include "io-util.h"
53 #include "journal-util.h"
54 #include "list.h"
55 #include "locale-util.h"
56 #include "log.h"
57 #include "logs-show.h"
58 #include "macro.h"
59 #include "main-func.h"
60 #include "memory-util.h"
61 #include "mkdir.h"
62 #include "pager.h"
63 #include "parse-util.h"
64 #include "path-lookup.h"
65 #include "path-util.h"
66 #include "pretty-print.h"
67 #include "proc-cmdline.h"
68 #include "process-util.h"
69 #include "reboot-util.h"
70 #include "rlimit-util.h"
71 #include "set.h"
72 #include "sigbus.h"
73 #include "signal-util.h"
74 #include "socket-util.h"
75 #include "sort-util.h"
76 #include "spawn-ask-password-agent.h"
77 #include "spawn-polkit-agent.h"
78 #include "special.h"
79 #include "stat-util.h"
80 #include "string-table.h"
81 #include "strv.h"
82 #include "sysv-compat.h"
83 #include "terminal-util.h"
84 #include "tmpfile-util.h"
85 #include "unit-def.h"
86 #include "unit-file.h"
87 #include "unit-name.h"
88 #include "user-util.h"
89 #include "utf8.h"
90 #include "utmp-wtmp.h"
91 #include "verbs.h"
92 #include "virt.h"
93
94 static char **arg_types = NULL;
95 static char **arg_states = NULL;
96 static char **arg_properties = NULL;
97 static bool arg_all = false;
98 static enum dependency {
99 DEPENDENCY_FORWARD,
100 DEPENDENCY_REVERSE,
101 DEPENDENCY_AFTER,
102 DEPENDENCY_BEFORE,
103 _DEPENDENCY_MAX
104 } arg_dependency = DEPENDENCY_FORWARD;
105 static const char *arg_job_mode = "replace";
106 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
107 static bool arg_wait = false;
108 static bool arg_no_block = false;
109 static bool arg_no_legend = false;
110 static PagerFlags arg_pager_flags = 0;
111 static bool arg_no_wtmp = false;
112 static bool arg_no_sync = false;
113 static bool arg_no_wall = false;
114 static bool arg_no_reload = false;
115 static bool arg_value = false;
116 static bool arg_show_types = false;
117 static bool arg_ignore_inhibitors = false;
118 static bool arg_dry_run = false;
119 static bool arg_quiet = false;
120 static bool arg_full = false;
121 static bool arg_recursive = false;
122 static bool arg_show_transaction = false;
123 static int arg_force = 0;
124 static bool arg_ask_password = false;
125 static bool arg_runtime = false;
126 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
127 static char **arg_wall = NULL;
128 static const char *arg_kill_who = NULL;
129 static int arg_signal = SIGTERM;
130 static char *arg_root = NULL;
131 static usec_t arg_when = 0;
132 static enum action {
133 ACTION_SYSTEMCTL,
134 ACTION_HALT,
135 ACTION_POWEROFF,
136 ACTION_REBOOT,
137 ACTION_KEXEC,
138 ACTION_EXIT,
139 ACTION_SUSPEND,
140 ACTION_HIBERNATE,
141 ACTION_HYBRID_SLEEP,
142 ACTION_SUSPEND_THEN_HIBERNATE,
143 ACTION_RUNLEVEL2,
144 ACTION_RUNLEVEL3,
145 ACTION_RUNLEVEL4,
146 ACTION_RUNLEVEL5,
147 ACTION_RESCUE,
148 ACTION_EMERGENCY,
149 ACTION_DEFAULT,
150 ACTION_RELOAD,
151 ACTION_REEXEC,
152 ACTION_RUNLEVEL,
153 ACTION_CANCEL_SHUTDOWN,
154 _ACTION_MAX,
155 _ACTION_INVALID = -1
156 } arg_action = ACTION_SYSTEMCTL;
157 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
158 static const char *arg_host = NULL;
159 static unsigned arg_lines = 10;
160 static OutputMode arg_output = OUTPUT_SHORT;
161 static bool arg_plain = false;
162 static bool arg_firmware_setup = false;
163 static usec_t arg_boot_loader_menu = USEC_INFINITY;
164 static const char *arg_boot_loader_entry = NULL;
165 static bool arg_now = false;
166 static bool arg_jobs_before = false;
167 static bool arg_jobs_after = false;
168 static char **arg_clean_what = NULL;
169
170 /* This is a global cache that will be constructed on first use. */
171 static Hashmap *cached_id_map = NULL;
172 static Hashmap *cached_name_map = NULL;
173
174 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
175 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
176 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
177 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
178 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
179 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
180 STATIC_DESTRUCTOR_REGISTER(cached_id_map, hashmap_freep);
181 STATIC_DESTRUCTOR_REGISTER(cached_name_map, hashmap_freep);
182
183 static int daemon_reload(int argc, char *argv[], void* userdata);
184 static int trivial_method(int argc, char *argv[], void *userdata);
185 static int halt_now(enum action a);
186 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
187
188 static bool original_stdout_is_tty;
189
190 typedef enum BusFocus {
191 BUS_FULL, /* The full bus indicated via --system or --user */
192 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
193 _BUS_FOCUS_MAX
194 } BusFocus;
195
196 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
197
198 static UnitFileFlags args_to_flags(void) {
199 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
200 (arg_force ? UNIT_FILE_FORCE : 0);
201 }
202
203 static int acquire_bus(BusFocus focus, sd_bus **ret) {
204 int r;
205
206 assert(focus < _BUS_FOCUS_MAX);
207 assert(ret);
208
209 /* We only go directly to the manager, if we are using a local transport */
210 if (arg_transport != BUS_TRANSPORT_LOCAL)
211 focus = BUS_FULL;
212
213 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
214 focus = BUS_FULL;
215
216 if (!buses[focus]) {
217 bool user;
218
219 user = arg_scope != UNIT_FILE_SYSTEM;
220
221 if (focus == BUS_MANAGER)
222 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
223 else
224 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
225 if (r < 0)
226 return log_error_errno(r, "Failed to connect to bus: %m");
227
228 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
229 }
230
231 *ret = buses[focus];
232 return 0;
233 }
234
235 static void release_busses(void) {
236 BusFocus w;
237
238 for (w = 0; w < _BUS_FOCUS_MAX; w++)
239 buses[w] = sd_bus_flush_close_unref(buses[w]);
240 }
241
242 static void ask_password_agent_open_if_enabled(void) {
243 /* Open the password agent as a child process if necessary */
244
245 if (arg_dry_run)
246 return;
247
248 if (!arg_ask_password)
249 return;
250
251 if (arg_scope != UNIT_FILE_SYSTEM)
252 return;
253
254 if (arg_transport != BUS_TRANSPORT_LOCAL)
255 return;
256
257 ask_password_agent_open();
258 }
259
260 static void polkit_agent_open_maybe(void) {
261 /* Open the polkit agent as a child process if necessary */
262
263 if (arg_scope != UNIT_FILE_SYSTEM)
264 return;
265
266 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
267 }
268
269 static OutputFlags get_output_flags(void) {
270 return
271 arg_all * OUTPUT_SHOW_ALL |
272 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
273 colors_enabled() * OUTPUT_COLOR |
274 !arg_quiet * OUTPUT_WARN_CUTOFF;
275 }
276
277 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
278 assert(error);
279
280 if (!sd_bus_error_is_set(error))
281 return r;
282
283 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
284 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
285 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
286 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
287 return EXIT_NOPERMISSION;
288
289 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
290 return EXIT_NOTINSTALLED;
291
292 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
293 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
294 return EXIT_NOTIMPLEMENTED;
295
296 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
297 return EXIT_NOTCONFIGURED;
298
299 if (r != 0)
300 return r;
301
302 return EXIT_FAILURE;
303 }
304
305 static bool install_client_side(void) {
306 /* Decides when to execute enable/disable/... operations
307 * client-side rather than server-side. */
308
309 if (running_in_chroot_or_offline())
310 return true;
311
312 if (sd_booted() <= 0)
313 return true;
314
315 if (!isempty(arg_root))
316 return true;
317
318 if (arg_scope == UNIT_FILE_GLOBAL)
319 return true;
320
321 /* Unsupported environment variable, mostly for debugging purposes */
322 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
323 return true;
324
325 return false;
326 }
327
328 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
329 const char *d1, *d2;
330 int r;
331
332 /* First, order by machine */
333 if (!a->machine && b->machine)
334 return -1;
335 if (a->machine && !b->machine)
336 return 1;
337 if (a->machine && b->machine) {
338 r = strcasecmp(a->machine, b->machine);
339 if (r != 0)
340 return r;
341 }
342
343 /* Second, order by unit type */
344 d1 = strrchr(a->id, '.');
345 d2 = strrchr(b->id, '.');
346 if (d1 && d2) {
347 r = strcasecmp(d1, d2);
348 if (r != 0)
349 return r;
350 }
351
352 /* Third, order by name */
353 return strcasecmp(a->id, b->id);
354 }
355
356 static const char* unit_type_suffix(const char *name) {
357 const char *dot;
358
359 dot = strrchr(name, '.');
360 if (!dot)
361 return "";
362
363 return dot + 1;
364 }
365
366 static bool output_show_unit(const UnitInfo *u, char **patterns) {
367 assert(u);
368
369 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
370 return false;
371
372 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
373 return false;
374
375 if (arg_all)
376 return true;
377
378 /* Note that '--all' is not purely a state filter, but also a
379 * filter that hides units that "follow" other units (which is
380 * used for device units that appear under different names). */
381 if (!isempty(u->following))
382 return false;
383
384 if (!strv_isempty(arg_states))
385 return true;
386
387 /* By default show all units except the ones in inactive
388 * state and with no pending job */
389 if (u->job_id > 0)
390 return true;
391
392 if (streq(u->active_state, "inactive"))
393 return false;
394
395 return true;
396 }
397
398 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
399 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
400 const UnitInfo *u;
401 unsigned n_shown = 0;
402 int job_count = 0;
403 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
404
405 max_id_len = STRLEN("UNIT");
406 load_len = STRLEN("LOAD");
407 active_len = STRLEN("ACTIVE");
408 sub_len = STRLEN("SUB");
409 job_len = STRLEN("JOB");
410 max_desc_len = STRLEN("DESCRIPTION");
411
412 for (u = unit_infos; u < unit_infos + c; u++) {
413 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
414 load_len = MAX(load_len, strlen(u->load_state));
415 active_len = MAX(active_len, strlen(u->active_state));
416 sub_len = MAX(sub_len, strlen(u->sub_state));
417 max_desc_len = MAX(max_desc_len, strlen(u->description));
418
419 if (u->job_id != 0) {
420 job_len = MAX(job_len, strlen(u->job_type));
421 job_count++;
422 }
423
424 if (!arg_no_legend &&
425 (streq(u->active_state, "failed") ||
426 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
427 circle_len = 2;
428 }
429
430 if (!arg_full && original_stdout_is_tty) {
431 unsigned basic_len;
432
433 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
434 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
435
436 if (job_count)
437 basic_len += job_len + 1;
438
439 if (basic_len < (unsigned) columns()) {
440 unsigned extra_len, incr;
441 extra_len = columns() - basic_len;
442
443 /* Either UNIT already got 25, or is fully satisfied.
444 * Grant up to 25 to DESC now. */
445 incr = MIN(extra_len, 25u);
446 desc_len = incr;
447 extra_len -= incr;
448
449 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
450 * description but not more than it needs. */
451 if (extra_len > 0) {
452 incr = MIN(max_id_len - id_len, extra_len);
453 id_len += incr;
454 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
455 }
456 } else
457 desc_len = 0;
458 } else {
459 id_len = max_id_len;
460 desc_len = max_desc_len;
461 }
462
463 for (u = unit_infos; u < unit_infos + c; u++) {
464 _cleanup_free_ char *e = NULL, *j = NULL;
465 const char *on_underline = "", *off_underline = "";
466 const char *on_loaded = "", *off_loaded = "";
467 const char *on_active = "", *off_active = "";
468 const char *on_circle = "", *off_circle = "";
469 const char *id;
470 bool circle = false, underline = false;
471
472 if (!n_shown && !arg_no_legend) {
473
474 if (circle_len > 0)
475 fputs(" ", stdout);
476
477 printf("%s%-*s %-*s %-*s %-*s ",
478 ansi_underline(),
479 id_len, "UNIT",
480 load_len, "LOAD",
481 active_len, "ACTIVE",
482 sub_len, "SUB");
483
484 if (job_count)
485 printf("%-*s ", job_len, "JOB");
486
487 printf("%-*.*s%s\n",
488 desc_len,
489 full ? -1 : (int) desc_len,
490 "DESCRIPTION",
491 ansi_normal());
492 }
493
494 n_shown++;
495
496 if (u + 1 < unit_infos + c &&
497 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
498 on_underline = ansi_underline();
499 off_underline = ansi_normal();
500 underline = true;
501 }
502
503 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
504 on_circle = ansi_highlight_yellow();
505 off_circle = ansi_normal();
506 circle = true;
507 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
508 off_loaded = underline ? on_underline : ansi_normal();
509 } else if (streq(u->active_state, "failed") && !arg_plain) {
510 on_circle = ansi_highlight_red();
511 off_circle = ansi_normal();
512 circle = true;
513 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
514 off_active = underline ? on_underline : ansi_normal();
515 }
516
517 if (u->machine) {
518 j = strjoin(u->machine, ":", u->id);
519 if (!j)
520 return log_oom();
521
522 id = j;
523 } else
524 id = u->id;
525
526 if (arg_full) {
527 e = ellipsize(id, id_len, 33);
528 if (!e)
529 return log_oom();
530
531 id = e;
532 }
533
534 if (circle_len > 0)
535 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
536
537 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
538 on_underline,
539 on_active, id_len, id, off_active,
540 on_loaded, load_len, u->load_state, off_loaded,
541 on_active, active_len, u->active_state,
542 sub_len, u->sub_state, off_active,
543 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
544
545 printf("%-*.*s%s\n",
546 desc_len,
547 full ? -1 : (int) desc_len,
548 u->description,
549 off_underline);
550 }
551
552 if (!arg_no_legend) {
553 const char *on, *off;
554
555 if (n_shown) {
556 puts("\n"
557 "LOAD = Reflects whether the unit definition was properly loaded.\n"
558 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
559 "SUB = The low-level unit activation state, values depend on unit type.");
560 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
561 on = ansi_highlight();
562 off = ansi_normal();
563 } else {
564 on = ansi_highlight_red();
565 off = ansi_normal();
566 }
567
568 if (arg_all || strv_contains(arg_states, "inactive"))
569 printf("%s%u loaded units listed.%s\n"
570 "To show all installed unit files use 'systemctl list-unit-files'.\n",
571 on, n_shown, off);
572 else if (!arg_states)
573 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
574 "To show all installed unit files use 'systemctl list-unit-files'.\n",
575 on, n_shown, off);
576 else
577 printf("%u loaded units listed.\n", n_shown);
578 }
579
580 return 0;
581 }
582
583 static int get_unit_list(
584 sd_bus *bus,
585 const char *machine,
586 char **patterns,
587 UnitInfo **unit_infos,
588 int c,
589 sd_bus_message **_reply) {
590
591 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
592 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
593 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
594 size_t size = c;
595 int r;
596 UnitInfo u;
597 bool fallback = false;
598
599 assert(bus);
600 assert(unit_infos);
601 assert(_reply);
602
603 r = sd_bus_message_new_method_call(
604 bus,
605 &m,
606 "org.freedesktop.systemd1",
607 "/org/freedesktop/systemd1",
608 "org.freedesktop.systemd1.Manager",
609 "ListUnitsByPatterns");
610 if (r < 0)
611 return bus_log_create_error(r);
612
613 r = sd_bus_message_append_strv(m, arg_states);
614 if (r < 0)
615 return bus_log_create_error(r);
616
617 r = sd_bus_message_append_strv(m, patterns);
618 if (r < 0)
619 return bus_log_create_error(r);
620
621 r = sd_bus_call(bus, m, 0, &error, &reply);
622 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
623 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
624 /* Fallback to legacy ListUnitsFiltered method */
625 fallback = true;
626 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
627 m = sd_bus_message_unref(m);
628 sd_bus_error_free(&error);
629
630 r = sd_bus_message_new_method_call(
631 bus,
632 &m,
633 "org.freedesktop.systemd1",
634 "/org/freedesktop/systemd1",
635 "org.freedesktop.systemd1.Manager",
636 "ListUnitsFiltered");
637 if (r < 0)
638 return bus_log_create_error(r);
639
640 r = sd_bus_message_append_strv(m, arg_states);
641 if (r < 0)
642 return bus_log_create_error(r);
643
644 r = sd_bus_call(bus, m, 0, &error, &reply);
645 }
646 if (r < 0)
647 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
648
649 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
650 if (r < 0)
651 return bus_log_parse_error(r);
652
653 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
654 u.machine = machine;
655
656 if (!output_show_unit(&u, fallback ? patterns : NULL))
657 continue;
658
659 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
660 return log_oom();
661
662 (*unit_infos)[c++] = u;
663 }
664 if (r < 0)
665 return bus_log_parse_error(r);
666
667 r = sd_bus_message_exit_container(reply);
668 if (r < 0)
669 return bus_log_parse_error(r);
670
671 *_reply = TAKE_PTR(reply);
672
673 return c;
674 }
675
676 static void message_set_freep(Set **set) {
677 set_free_with_destructor(*set, sd_bus_message_unref);
678 }
679
680 static int get_unit_list_recursive(
681 sd_bus *bus,
682 char **patterns,
683 UnitInfo **_unit_infos,
684 Set **_replies,
685 char ***_machines) {
686
687 _cleanup_free_ UnitInfo *unit_infos = NULL;
688 _cleanup_(message_set_freep) Set *replies;
689 sd_bus_message *reply;
690 int c, r;
691
692 assert(bus);
693 assert(_replies);
694 assert(_unit_infos);
695 assert(_machines);
696
697 replies = set_new(NULL);
698 if (!replies)
699 return log_oom();
700
701 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
702 if (c < 0)
703 return c;
704
705 r = set_put(replies, reply);
706 if (r < 0) {
707 sd_bus_message_unref(reply);
708 return log_oom();
709 }
710
711 if (arg_recursive) {
712 _cleanup_strv_free_ char **machines = NULL;
713 char **i;
714
715 r = sd_get_machine_names(&machines);
716 if (r < 0)
717 return log_error_errno(r, "Failed to get machine names: %m");
718
719 STRV_FOREACH(i, machines) {
720 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
721 int k;
722
723 r = sd_bus_open_system_machine(&container, *i);
724 if (r < 0) {
725 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
726 continue;
727 }
728
729 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
730 if (k < 0)
731 return k;
732
733 c = k;
734
735 r = set_put(replies, reply);
736 if (r < 0) {
737 sd_bus_message_unref(reply);
738 return log_oom();
739 }
740 }
741
742 *_machines = TAKE_PTR(machines);
743 } else
744 *_machines = NULL;
745
746 *_unit_infos = TAKE_PTR(unit_infos);
747 *_replies = TAKE_PTR(replies);
748
749 return c;
750 }
751
752 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret, bool *ret_expanded) {
753 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
754 char **name;
755 int r, i;
756
757 assert(bus);
758 assert(ret);
759
760 STRV_FOREACH(name, names) {
761 char *t;
762 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
763
764 if (suffix)
765 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
766 else
767 r = unit_name_mangle(*name, options, &t);
768 if (r < 0)
769 return log_error_errno(r, "Failed to mangle name: %m");
770
771 if (string_is_glob(t))
772 r = strv_consume(&globs, t);
773 else
774 r = strv_consume(&mangled, t);
775 if (r < 0)
776 return log_oom();
777 }
778
779 /* Query the manager only if any of the names are a glob, since
780 * this is fairly expensive */
781 bool expanded = !strv_isempty(globs);
782 if (expanded) {
783 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
784 _cleanup_free_ UnitInfo *unit_infos = NULL;
785 size_t allocated, n;
786
787 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
788 if (r < 0)
789 return r;
790
791 n = strv_length(mangled);
792 allocated = n + 1;
793
794 for (i = 0; i < r; i++) {
795 if (!GREEDY_REALLOC(mangled, allocated, n+2))
796 return log_oom();
797
798 mangled[n] = strdup(unit_infos[i].id);
799 if (!mangled[n])
800 return log_oom();
801
802 mangled[++n] = NULL;
803 }
804 }
805
806 if (ret_expanded)
807 *ret_expanded = expanded;
808
809 *ret = TAKE_PTR(mangled);
810 return 0;
811 }
812
813
814 static int list_units(int argc, char *argv[], void *userdata) {
815 _cleanup_free_ UnitInfo *unit_infos = NULL;
816 _cleanup_(message_set_freep) Set *replies = NULL;
817 _cleanup_strv_free_ char **machines = NULL;
818 sd_bus *bus;
819 int r;
820
821 r = acquire_bus(BUS_MANAGER, &bus);
822 if (r < 0)
823 return r;
824
825 (void) pager_open(arg_pager_flags);
826
827 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
828 if (r < 0)
829 return r;
830
831 typesafe_qsort(unit_infos, r, compare_unit_info);
832 return output_units_list(unit_infos, r);
833 }
834
835 static int get_triggered_units(
836 sd_bus *bus,
837 const char* path,
838 char*** ret) {
839
840 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
841 int r;
842
843 assert(bus);
844 assert(path);
845 assert(ret);
846
847 r = sd_bus_get_property_strv(
848 bus,
849 "org.freedesktop.systemd1",
850 path,
851 "org.freedesktop.systemd1.Unit",
852 "Triggers",
853 &error,
854 ret);
855 if (r < 0)
856 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
857
858 return 0;
859 }
860
861 static int get_listening(
862 sd_bus *bus,
863 const char* unit_path,
864 char*** listening) {
865
866 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
867 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
868 const char *type, *path;
869 int r, n = 0;
870
871 r = sd_bus_get_property(
872 bus,
873 "org.freedesktop.systemd1",
874 unit_path,
875 "org.freedesktop.systemd1.Socket",
876 "Listen",
877 &error,
878 &reply,
879 "a(ss)");
880 if (r < 0)
881 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
882
883 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
884 if (r < 0)
885 return bus_log_parse_error(r);
886
887 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
888
889 r = strv_extend(listening, type);
890 if (r < 0)
891 return log_oom();
892
893 r = strv_extend(listening, path);
894 if (r < 0)
895 return log_oom();
896
897 n++;
898 }
899 if (r < 0)
900 return bus_log_parse_error(r);
901
902 r = sd_bus_message_exit_container(reply);
903 if (r < 0)
904 return bus_log_parse_error(r);
905
906 return n;
907 }
908
909 struct socket_info {
910 const char *machine;
911 const char* id;
912
913 char* type;
914 char* path;
915
916 /* Note: triggered is a list here, although it almost certainly
917 * will always be one unit. Nevertheless, dbus API allows for multiple
918 * values, so let's follow that. */
919 char** triggered;
920
921 /* The strv above is shared. free is set only in the first one. */
922 bool own_triggered;
923 };
924
925 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
926 int r;
927
928 assert(a);
929 assert(b);
930
931 if (!a->machine && b->machine)
932 return -1;
933 if (a->machine && !b->machine)
934 return 1;
935 if (a->machine && b->machine) {
936 r = strcasecmp(a->machine, b->machine);
937 if (r != 0)
938 return r;
939 }
940
941 r = strcmp(a->path, b->path);
942 if (r == 0)
943 r = strcmp(a->type, b->type);
944
945 return r;
946 }
947
948 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
949 struct socket_info *s;
950 unsigned pathlen = STRLEN("LISTEN"),
951 typelen = STRLEN("TYPE") * arg_show_types,
952 socklen = STRLEN("UNIT"),
953 servlen = STRLEN("ACTIVATES");
954 const char *on, *off;
955
956 for (s = socket_infos; s < socket_infos + cs; s++) {
957 unsigned tmp = 0;
958 char **a;
959
960 socklen = MAX(socklen, strlen(s->id));
961 if (arg_show_types)
962 typelen = MAX(typelen, strlen(s->type));
963 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
964
965 STRV_FOREACH(a, s->triggered)
966 tmp += strlen(*a) + 2*(a != s->triggered);
967 servlen = MAX(servlen, tmp);
968 }
969
970 if (cs) {
971 if (!arg_no_legend)
972 printf("%-*s %-*.*s%-*s %s\n",
973 pathlen, "LISTEN",
974 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
975 socklen, "UNIT",
976 "ACTIVATES");
977
978 for (s = socket_infos; s < socket_infos + cs; s++) {
979 _cleanup_free_ char *j = NULL;
980 const char *path;
981 char **a;
982
983 if (s->machine) {
984 j = strjoin(s->machine, ":", s->path);
985 if (!j)
986 return log_oom();
987 path = j;
988 } else
989 path = s->path;
990
991 if (arg_show_types)
992 printf("%-*s %-*s %-*s",
993 pathlen, path, typelen, s->type, socklen, s->id);
994 else
995 printf("%-*s %-*s",
996 pathlen, path, socklen, s->id);
997 STRV_FOREACH(a, s->triggered)
998 printf("%s %s",
999 a == s->triggered ? "" : ",", *a);
1000 printf("\n");
1001 }
1002
1003 on = ansi_highlight();
1004 off = ansi_normal();
1005 if (!arg_no_legend)
1006 printf("\n");
1007 } else {
1008 on = ansi_highlight_red();
1009 off = ansi_normal();
1010 }
1011
1012 if (!arg_no_legend) {
1013 printf("%s%u sockets listed.%s\n", on, cs, off);
1014 if (!arg_all)
1015 printf("Pass --all to see loaded but inactive sockets, too.\n");
1016 }
1017
1018 return 0;
1019 }
1020
1021 static int list_sockets(int argc, char *argv[], void *userdata) {
1022 _cleanup_(message_set_freep) Set *replies = NULL;
1023 _cleanup_strv_free_ char **machines = NULL;
1024 _cleanup_strv_free_ char **sockets_with_suffix = NULL;
1025 _cleanup_free_ UnitInfo *unit_infos = NULL;
1026 _cleanup_free_ struct socket_info *socket_infos = NULL;
1027 const UnitInfo *u;
1028 struct socket_info *s;
1029 unsigned cs = 0;
1030 size_t size = 0;
1031 int r = 0, n;
1032 sd_bus *bus;
1033
1034 r = acquire_bus(BUS_MANAGER, &bus);
1035 if (r < 0)
1036 return r;
1037
1038 (void) pager_open(arg_pager_flags);
1039
1040 r = expand_names(bus, strv_skip(argv, 1), ".socket", &sockets_with_suffix, NULL);
1041 if (r < 0)
1042 return r;
1043
1044 if (argc == 1 || sockets_with_suffix) {
1045 n = get_unit_list_recursive(bus, sockets_with_suffix, &unit_infos, &replies, &machines);
1046 if (n < 0)
1047 return n;
1048
1049 for (u = unit_infos; u < unit_infos + n; u++) {
1050 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
1051 int i, c;
1052
1053 if (!endswith(u->id, ".socket"))
1054 continue;
1055
1056 r = get_triggered_units(bus, u->unit_path, &triggered);
1057 if (r < 0)
1058 goto cleanup;
1059
1060 c = get_listening(bus, u->unit_path, &listening);
1061 if (c < 0) {
1062 r = c;
1063 goto cleanup;
1064 }
1065
1066 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
1067 r = log_oom();
1068 goto cleanup;
1069 }
1070
1071 for (i = 0; i < c; i++)
1072 socket_infos[cs + i] = (struct socket_info) {
1073 .machine = u->machine,
1074 .id = u->id,
1075 .type = listening[i*2],
1076 .path = listening[i*2 + 1],
1077 .triggered = triggered,
1078 .own_triggered = i==0,
1079 };
1080
1081 /* from this point on we will cleanup those socket_infos */
1082 cs += c;
1083 free(listening);
1084 listening = triggered = NULL; /* avoid cleanup */
1085 }
1086
1087 typesafe_qsort(socket_infos, cs, socket_info_compare);
1088 }
1089
1090 output_sockets_list(socket_infos, cs);
1091
1092 cleanup:
1093 assert(cs == 0 || socket_infos);
1094 for (s = socket_infos; s < socket_infos + cs; s++) {
1095 free(s->type);
1096 free(s->path);
1097 if (s->own_triggered)
1098 strv_free(s->triggered);
1099 }
1100
1101 return r;
1102 }
1103
1104 static int get_next_elapse(
1105 sd_bus *bus,
1106 const char *path,
1107 dual_timestamp *next) {
1108
1109 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1110 dual_timestamp t;
1111 int r;
1112
1113 assert(bus);
1114 assert(path);
1115 assert(next);
1116
1117 r = sd_bus_get_property_trivial(
1118 bus,
1119 "org.freedesktop.systemd1",
1120 path,
1121 "org.freedesktop.systemd1.Timer",
1122 "NextElapseUSecMonotonic",
1123 &error,
1124 't',
1125 &t.monotonic);
1126 if (r < 0)
1127 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1128
1129 r = sd_bus_get_property_trivial(
1130 bus,
1131 "org.freedesktop.systemd1",
1132 path,
1133 "org.freedesktop.systemd1.Timer",
1134 "NextElapseUSecRealtime",
1135 &error,
1136 't',
1137 &t.realtime);
1138 if (r < 0)
1139 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1140
1141 *next = t;
1142 return 0;
1143 }
1144
1145 static int get_last_trigger(
1146 sd_bus *bus,
1147 const char *path,
1148 usec_t *last) {
1149
1150 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1151 int r;
1152
1153 assert(bus);
1154 assert(path);
1155 assert(last);
1156
1157 r = sd_bus_get_property_trivial(
1158 bus,
1159 "org.freedesktop.systemd1",
1160 path,
1161 "org.freedesktop.systemd1.Timer",
1162 "LastTriggerUSec",
1163 &error,
1164 't',
1165 last);
1166 if (r < 0)
1167 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1168
1169 return 0;
1170 }
1171
1172 struct timer_info {
1173 const char* machine;
1174 const char* id;
1175 usec_t next_elapse;
1176 usec_t last_trigger;
1177 char** triggered;
1178 };
1179
1180 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1181 int r;
1182
1183 assert(a);
1184 assert(b);
1185
1186 if (!a->machine && b->machine)
1187 return -1;
1188 if (a->machine && !b->machine)
1189 return 1;
1190 if (a->machine && b->machine) {
1191 r = strcasecmp(a->machine, b->machine);
1192 if (r != 0)
1193 return r;
1194 }
1195
1196 r = CMP(a->next_elapse, b->next_elapse);
1197 if (r != 0)
1198 return r;
1199
1200 return strcmp(a->id, b->id);
1201 }
1202
1203 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1204 struct timer_info *t;
1205 unsigned
1206 nextlen = STRLEN("NEXT"),
1207 leftlen = STRLEN("LEFT"),
1208 lastlen = STRLEN("LAST"),
1209 passedlen = STRLEN("PASSED"),
1210 unitlen = STRLEN("UNIT"),
1211 activatelen = STRLEN("ACTIVATES");
1212
1213 const char *on, *off;
1214
1215 assert(timer_infos || n == 0);
1216
1217 for (t = timer_infos; t < timer_infos + n; t++) {
1218 unsigned ul = 0;
1219 char **a;
1220
1221 if (t->next_elapse > 0) {
1222 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1223
1224 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1225 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1226
1227 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1228 leftlen = MAX(leftlen, strlen(trel));
1229 }
1230
1231 if (t->last_trigger > 0) {
1232 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1233
1234 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1235 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1236
1237 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1238 passedlen = MAX(passedlen, strlen(trel));
1239 }
1240
1241 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1242
1243 STRV_FOREACH(a, t->triggered)
1244 ul += strlen(*a) + 2*(a != t->triggered);
1245
1246 activatelen = MAX(activatelen, ul);
1247 }
1248
1249 if (n > 0) {
1250 if (!arg_no_legend)
1251 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1252 nextlen, "NEXT",
1253 leftlen, "LEFT",
1254 lastlen, "LAST",
1255 passedlen, "PASSED",
1256 unitlen, "UNIT",
1257 "ACTIVATES");
1258
1259 for (t = timer_infos; t < timer_infos + n; t++) {
1260 _cleanup_free_ char *j = NULL;
1261 const char *unit;
1262 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1263 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1264 char **a;
1265
1266 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1267 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1268
1269 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1270 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1271
1272 if (t->machine) {
1273 j = strjoin(t->machine, ":", t->id);
1274 if (!j)
1275 return log_oom();
1276 unit = j;
1277 } else
1278 unit = t->id;
1279
1280 printf("%-*s %-*s %-*s %-*s %-*s",
1281 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1282
1283 STRV_FOREACH(a, t->triggered)
1284 printf("%s %s",
1285 a == t->triggered ? "" : ",", *a);
1286 printf("\n");
1287 }
1288
1289 on = ansi_highlight();
1290 off = ansi_normal();
1291 if (!arg_no_legend)
1292 printf("\n");
1293 } else {
1294 on = ansi_highlight_red();
1295 off = ansi_normal();
1296 }
1297
1298 if (!arg_no_legend) {
1299 printf("%s%u timers listed.%s\n", on, n, off);
1300 if (!arg_all)
1301 printf("Pass --all to see loaded but inactive timers, too.\n");
1302 }
1303
1304 return 0;
1305 }
1306
1307 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1308 usec_t next_elapse;
1309
1310 assert(nw);
1311 assert(next);
1312
1313 if (timestamp_is_set(next->monotonic)) {
1314 usec_t converted;
1315
1316 if (next->monotonic > nw->monotonic)
1317 converted = nw->realtime + (next->monotonic - nw->monotonic);
1318 else
1319 converted = nw->realtime - (nw->monotonic - next->monotonic);
1320
1321 if (timestamp_is_set(next->realtime))
1322 next_elapse = MIN(converted, next->realtime);
1323 else
1324 next_elapse = converted;
1325
1326 } else
1327 next_elapse = next->realtime;
1328
1329 return next_elapse;
1330 }
1331
1332 static int list_timers(int argc, char *argv[], void *userdata) {
1333 _cleanup_(message_set_freep) Set *replies = NULL;
1334 _cleanup_strv_free_ char **machines = NULL;
1335 _cleanup_strv_free_ char **timers_with_suffix = NULL;
1336 _cleanup_free_ struct timer_info *timer_infos = NULL;
1337 _cleanup_free_ UnitInfo *unit_infos = NULL;
1338 struct timer_info *t;
1339 const UnitInfo *u;
1340 size_t size = 0;
1341 int n, c = 0;
1342 dual_timestamp nw;
1343 sd_bus *bus;
1344 int r = 0;
1345
1346 r = acquire_bus(BUS_MANAGER, &bus);
1347 if (r < 0)
1348 return r;
1349
1350 (void) pager_open(arg_pager_flags);
1351
1352 r = expand_names(bus, strv_skip(argv, 1), ".timer", &timers_with_suffix, NULL);
1353 if (r < 0)
1354 return r;
1355
1356 if (argc == 1 || timers_with_suffix) {
1357 n = get_unit_list_recursive(bus, timers_with_suffix, &unit_infos, &replies, &machines);
1358 if (n < 0)
1359 return n;
1360
1361 dual_timestamp_get(&nw);
1362
1363 for (u = unit_infos; u < unit_infos + n; u++) {
1364 _cleanup_strv_free_ char **triggered = NULL;
1365 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1366 usec_t m, last = 0;
1367
1368 if (!endswith(u->id, ".timer"))
1369 continue;
1370
1371 r = get_triggered_units(bus, u->unit_path, &triggered);
1372 if (r < 0)
1373 goto cleanup;
1374
1375 r = get_next_elapse(bus, u->unit_path, &next);
1376 if (r < 0)
1377 goto cleanup;
1378
1379 get_last_trigger(bus, u->unit_path, &last);
1380
1381 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1382 r = log_oom();
1383 goto cleanup;
1384 }
1385
1386 m = calc_next_elapse(&nw, &next);
1387
1388 timer_infos[c++] = (struct timer_info) {
1389 .machine = u->machine,
1390 .id = u->id,
1391 .next_elapse = m,
1392 .last_trigger = last,
1393 .triggered = TAKE_PTR(triggered),
1394 };
1395 }
1396
1397 typesafe_qsort(timer_infos, c, timer_info_compare);
1398 }
1399
1400 output_timers_list(timer_infos, c);
1401
1402 cleanup:
1403 for (t = timer_infos; t < timer_infos + c; t++)
1404 strv_free(t->triggered);
1405
1406 return r;
1407 }
1408
1409 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1410 const char *d1, *d2;
1411
1412 d1 = strrchr(a->path, '.');
1413 d2 = strrchr(b->path, '.');
1414
1415 if (d1 && d2) {
1416 int r;
1417
1418 r = strcasecmp(d1, d2);
1419 if (r != 0)
1420 return r;
1421 }
1422
1423 return strcasecmp(basename(a->path), basename(b->path));
1424 }
1425
1426 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1427 assert(u);
1428
1429 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1430 return false;
1431
1432 if (!strv_isempty(arg_types)) {
1433 const char *dot;
1434
1435 dot = strrchr(u->path, '.');
1436 if (!dot)
1437 return false;
1438
1439 if (!strv_find(arg_types, dot+1))
1440 return false;
1441 }
1442
1443 if (!strv_isempty(states) &&
1444 !strv_find(states, unit_file_state_to_string(u->state)))
1445 return false;
1446
1447 return true;
1448 }
1449
1450 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1451 unsigned max_id_len, id_cols, state_cols;
1452 const UnitFileList *u;
1453
1454 max_id_len = STRLEN("UNIT FILE");
1455 state_cols = STRLEN("STATE");
1456
1457 for (u = units; u < units + c; u++) {
1458 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1459 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1460 }
1461
1462 if (!arg_full) {
1463 unsigned basic_cols;
1464
1465 id_cols = MIN(max_id_len, 25u);
1466 basic_cols = 1 + id_cols + state_cols;
1467 if (basic_cols < (unsigned) columns())
1468 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1469 } else
1470 id_cols = max_id_len;
1471
1472 if (!arg_no_legend && c > 0)
1473 printf("%s%-*s %-*s%s\n",
1474 ansi_underline(),
1475 id_cols, "UNIT FILE",
1476 state_cols, "STATE",
1477 ansi_normal());
1478
1479 for (u = units; u < units + c; u++) {
1480 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1481 _cleanup_free_ char *e = NULL;
1482 bool underline;
1483
1484 underline = u + 1 < units + c &&
1485 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1486
1487 if (underline)
1488 on_underline = ansi_underline();
1489
1490 if (IN_SET(u->state,
1491 UNIT_FILE_MASKED,
1492 UNIT_FILE_MASKED_RUNTIME,
1493 UNIT_FILE_DISABLED,
1494 UNIT_FILE_BAD))
1495 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1496 else if (u->state == UNIT_FILE_ENABLED)
1497 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1498
1499 if (on_underline || on_color)
1500 off = ansi_normal();
1501
1502 id = basename(u->path);
1503
1504 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1505
1506 printf("%s%-*s %s%-*s%s\n",
1507 strempty(on_underline),
1508 id_cols, e ? e : id,
1509 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1510 }
1511
1512 if (!arg_no_legend)
1513 printf("\n%u unit files listed.\n", c);
1514 }
1515
1516 static int list_unit_files(int argc, char *argv[], void *userdata) {
1517 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1518 _cleanup_free_ UnitFileList *units = NULL;
1519 UnitFileList *unit;
1520 size_t size = 0;
1521 unsigned c = 0;
1522 const char *state;
1523 char *path;
1524 int r;
1525 bool fallback = false;
1526
1527 if (install_client_side()) {
1528 Hashmap *h;
1529 UnitFileList *u;
1530 Iterator i;
1531 unsigned n_units;
1532
1533 h = hashmap_new(&string_hash_ops);
1534 if (!h)
1535 return log_oom();
1536
1537 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1538 if (r < 0) {
1539 unit_file_list_free(h);
1540 return log_error_errno(r, "Failed to get unit file list: %m");
1541 }
1542
1543 n_units = hashmap_size(h);
1544
1545 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1546 if (!units) {
1547 unit_file_list_free(h);
1548 return log_oom();
1549 }
1550
1551 HASHMAP_FOREACH(u, h, i) {
1552 if (!output_show_unit_file(u, NULL, NULL))
1553 continue;
1554
1555 units[c++] = *u;
1556 free(u);
1557 }
1558
1559 assert(c <= n_units);
1560 hashmap_free(h);
1561
1562 r = 0;
1563 } else {
1564 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1565 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1566 sd_bus *bus;
1567
1568 r = acquire_bus(BUS_MANAGER, &bus);
1569 if (r < 0)
1570 return r;
1571
1572 r = sd_bus_message_new_method_call(
1573 bus,
1574 &m,
1575 "org.freedesktop.systemd1",
1576 "/org/freedesktop/systemd1",
1577 "org.freedesktop.systemd1.Manager",
1578 "ListUnitFilesByPatterns");
1579 if (r < 0)
1580 return bus_log_create_error(r);
1581
1582 r = sd_bus_message_append_strv(m, arg_states);
1583 if (r < 0)
1584 return bus_log_create_error(r);
1585
1586 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1587 if (r < 0)
1588 return bus_log_create_error(r);
1589
1590 r = sd_bus_call(bus, m, 0, &error, &reply);
1591 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1592 /* Fallback to legacy ListUnitFiles method */
1593 fallback = true;
1594 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1595 m = sd_bus_message_unref(m);
1596 sd_bus_error_free(&error);
1597
1598 r = sd_bus_message_new_method_call(
1599 bus,
1600 &m,
1601 "org.freedesktop.systemd1",
1602 "/org/freedesktop/systemd1",
1603 "org.freedesktop.systemd1.Manager",
1604 "ListUnitFiles");
1605 if (r < 0)
1606 return bus_log_create_error(r);
1607
1608 r = sd_bus_call(bus, m, 0, &error, &reply);
1609 }
1610 if (r < 0)
1611 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1612
1613 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1614 if (r < 0)
1615 return bus_log_parse_error(r);
1616
1617 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1618
1619 if (!GREEDY_REALLOC(units, size, c + 1))
1620 return log_oom();
1621
1622 units[c] = (struct UnitFileList) {
1623 path,
1624 unit_file_state_from_string(state)
1625 };
1626
1627 if (output_show_unit_file(&units[c],
1628 fallback ? arg_states : NULL,
1629 fallback ? strv_skip(argv, 1) : NULL))
1630 c++;
1631
1632 }
1633 if (r < 0)
1634 return bus_log_parse_error(r);
1635
1636 r = sd_bus_message_exit_container(reply);
1637 if (r < 0)
1638 return bus_log_parse_error(r);
1639 }
1640
1641 (void) pager_open(arg_pager_flags);
1642
1643 typesafe_qsort(units, c, compare_unit_file_list);
1644 output_unit_file_list(units, c);
1645
1646 if (install_client_side())
1647 for (unit = units; unit < units + c; unit++)
1648 free(unit->path);
1649
1650 return 0;
1651 }
1652
1653 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1654 _cleanup_free_ char *n = NULL;
1655 size_t max_len = MAX(columns(),20u);
1656 size_t len = 0;
1657 int i;
1658
1659 if (!arg_plain) {
1660
1661 for (i = level - 1; i >= 0; i--) {
1662 len += 2;
1663 if (len > max_len - 3 && !arg_full) {
1664 printf("%s...\n",max_len % 2 ? "" : " ");
1665 return 0;
1666 }
1667 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1668 }
1669 len += 2;
1670
1671 if (len > max_len - 3 && !arg_full) {
1672 printf("%s...\n",max_len % 2 ? "" : " ");
1673 return 0;
1674 }
1675
1676 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1677 }
1678
1679 if (arg_full) {
1680 printf("%s\n", name);
1681 return 0;
1682 }
1683
1684 n = ellipsize(name, max_len-len, 100);
1685 if (!n)
1686 return log_oom();
1687
1688 printf("%s\n", n);
1689 return 0;
1690 }
1691
1692 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1693 struct DependencyStatusInfo {
1694 char **dep[5];
1695 } info = {};
1696
1697 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1698 [DEPENDENCY_FORWARD] = {
1699 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1700 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1701 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1702 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1703 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1704 {}
1705 },
1706 [DEPENDENCY_REVERSE] = {
1707 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1708 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1709 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1710 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1711 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1712 {}
1713 },
1714 [DEPENDENCY_AFTER] = {
1715 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1716 {}
1717 },
1718 [DEPENDENCY_BEFORE] = {
1719 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1720 {}
1721 },
1722 };
1723
1724 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1725 _cleanup_strv_free_ char **ret = NULL;
1726 _cleanup_free_ char *dbus_path = NULL;
1727 int i, r;
1728
1729 assert(bus);
1730 assert(name);
1731 assert(deps);
1732
1733 dbus_path = unit_dbus_path_from_name(name);
1734 if (!dbus_path)
1735 return log_oom();
1736
1737 r = bus_map_all_properties(bus,
1738 "org.freedesktop.systemd1",
1739 dbus_path,
1740 map[arg_dependency],
1741 BUS_MAP_STRDUP,
1742 &error,
1743 NULL,
1744 &info);
1745 if (r < 0)
1746 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1747
1748 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1749 *deps = info.dep[0];
1750 return 0;
1751 }
1752
1753 for (i = 0; i < 5; i++) {
1754 r = strv_extend_strv(&ret, info.dep[i], true);
1755 if (r < 0)
1756 return log_oom();
1757 info.dep[i] = strv_free(info.dep[i]);
1758 }
1759
1760 *deps = TAKE_PTR(ret);
1761
1762 return 0;
1763 }
1764
1765 static int list_dependencies_compare(char * const *a, char * const *b) {
1766 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1767 return 1;
1768 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1769 return -1;
1770
1771 return strcasecmp(*a, *b);
1772 }
1773
1774 static int list_dependencies_one(
1775 sd_bus *bus,
1776 const char *name,
1777 int level,
1778 char ***units,
1779 unsigned branches) {
1780
1781 _cleanup_strv_free_ char **deps = NULL;
1782 char **c;
1783 int r = 0;
1784
1785 assert(bus);
1786 assert(name);
1787 assert(units);
1788
1789 r = strv_extend(units, name);
1790 if (r < 0)
1791 return log_oom();
1792
1793 r = list_dependencies_get_dependencies(bus, name, &deps);
1794 if (r < 0)
1795 return r;
1796
1797 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1798
1799 STRV_FOREACH(c, deps) {
1800 if (strv_contains(*units, *c)) {
1801 if (!arg_plain) {
1802 printf(" ");
1803 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1804 if (r < 0)
1805 return r;
1806 }
1807 continue;
1808 }
1809
1810 if (arg_plain)
1811 printf(" ");
1812 else {
1813 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1814 const char *on;
1815
1816 (void) get_state_one_unit(bus, *c, &active_state);
1817
1818 switch (active_state) {
1819 case UNIT_ACTIVE:
1820 case UNIT_RELOADING:
1821 case UNIT_ACTIVATING:
1822 on = ansi_highlight_green();
1823 break;
1824
1825 case UNIT_INACTIVE:
1826 case UNIT_DEACTIVATING:
1827 on = ansi_normal();
1828 break;
1829
1830 default:
1831 on = ansi_highlight_red();
1832 break;
1833 }
1834
1835 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1836 }
1837
1838 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1839 if (r < 0)
1840 return r;
1841
1842 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1843 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1844 if (r < 0)
1845 return r;
1846 }
1847 }
1848
1849 if (!arg_plain)
1850 strv_remove(*units, name);
1851
1852 return 0;
1853 }
1854
1855 static int list_dependencies(int argc, char *argv[], void *userdata) {
1856 _cleanup_strv_free_ char **units = NULL;
1857 _cleanup_free_ char *unit = NULL;
1858 const char *u;
1859 sd_bus *bus;
1860 int r;
1861
1862 if (argv[1]) {
1863 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1864 if (r < 0)
1865 return log_error_errno(r, "Failed to mangle unit name: %m");
1866
1867 u = unit;
1868 } else
1869 u = SPECIAL_DEFAULT_TARGET;
1870
1871 r = acquire_bus(BUS_MANAGER, &bus);
1872 if (r < 0)
1873 return r;
1874
1875 (void) pager_open(arg_pager_flags);
1876
1877 puts(u);
1878
1879 return list_dependencies_one(bus, u, 0, &units, 0);
1880 }
1881
1882 struct machine_info {
1883 bool is_host;
1884 char *name;
1885 char *state;
1886 char *control_group;
1887 uint32_t n_failed_units;
1888 uint32_t n_jobs;
1889 usec_t timestamp;
1890 };
1891
1892 static const struct bus_properties_map machine_info_property_map[] = {
1893 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1894 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1895 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1896 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1897 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1898 {}
1899 };
1900
1901 static void machine_info_clear(struct machine_info *info) {
1902 assert(info);
1903
1904 free(info->name);
1905 free(info->state);
1906 free(info->control_group);
1907 zero(*info);
1908 }
1909
1910 static void free_machines_list(struct machine_info *machine_infos, int n) {
1911 int i;
1912
1913 if (!machine_infos)
1914 return;
1915
1916 for (i = 0; i < n; i++)
1917 machine_info_clear(&machine_infos[i]);
1918
1919 free(machine_infos);
1920 }
1921
1922 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1923 int r;
1924
1925 r = CMP(b->is_host, a->is_host);
1926 if (r != 0)
1927 return r;
1928
1929 return strcasecmp(a->name, b->name);
1930 }
1931
1932 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1933 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1934 int r;
1935
1936 assert(mi);
1937
1938 if (!bus) {
1939 r = sd_bus_open_system_machine(&container, mi->name);
1940 if (r < 0)
1941 return r;
1942
1943 bus = container;
1944 }
1945
1946 r = bus_map_all_properties(
1947 bus,
1948 "org.freedesktop.systemd1",
1949 "/org/freedesktop/systemd1",
1950 machine_info_property_map,
1951 BUS_MAP_STRDUP,
1952 NULL,
1953 NULL,
1954 mi);
1955 if (r < 0)
1956 return r;
1957
1958 return 0;
1959 }
1960
1961 static bool output_show_machine(const char *name, char **patterns) {
1962 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1963 }
1964
1965 static int get_machine_list(
1966 sd_bus *bus,
1967 struct machine_info **_machine_infos,
1968 char **patterns) {
1969
1970 struct machine_info *machine_infos = NULL;
1971 _cleanup_strv_free_ char **m = NULL;
1972 _cleanup_free_ char *hn = NULL;
1973 size_t sz = 0;
1974 char **i;
1975 int c = 0, r;
1976
1977 hn = gethostname_malloc();
1978 if (!hn)
1979 return log_oom();
1980
1981 if (output_show_machine(hn, patterns)) {
1982 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1983 return log_oom();
1984
1985 machine_infos[c].is_host = true;
1986 machine_infos[c].name = TAKE_PTR(hn);
1987
1988 (void) get_machine_properties(bus, &machine_infos[c]);
1989 c++;
1990 }
1991
1992 r = sd_get_machine_names(&m);
1993 if (r < 0)
1994 return log_error_errno(r, "Failed to get machine list: %m");
1995
1996 STRV_FOREACH(i, m) {
1997 _cleanup_free_ char *class = NULL;
1998
1999 if (!output_show_machine(*i, patterns))
2000 continue;
2001
2002 sd_machine_get_class(*i, &class);
2003 if (!streq_ptr(class, "container"))
2004 continue;
2005
2006 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
2007 free_machines_list(machine_infos, c);
2008 return log_oom();
2009 }
2010
2011 machine_infos[c].is_host = false;
2012 machine_infos[c].name = strdup(*i);
2013 if (!machine_infos[c].name) {
2014 free_machines_list(machine_infos, c);
2015 return log_oom();
2016 }
2017
2018 (void) get_machine_properties(NULL, &machine_infos[c]);
2019 c++;
2020 }
2021
2022 *_machine_infos = machine_infos;
2023 return c;
2024 }
2025
2026 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
2027 struct machine_info *m;
2028 unsigned
2029 circle_len = 0,
2030 namelen = STRLEN("NAME"),
2031 statelen = STRLEN("STATE"),
2032 failedlen = STRLEN("FAILED"),
2033 jobslen = STRLEN("JOBS");
2034 bool state_missing = false;
2035
2036 assert(machine_infos || n == 0);
2037
2038 for (m = machine_infos; m < machine_infos + n; m++) {
2039 namelen = MAX(namelen,
2040 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
2041 statelen = MAX(statelen, strlen_ptr(m->state));
2042 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
2043 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
2044
2045 if (!arg_plain && m->state && !streq(m->state, "running"))
2046 circle_len = 2;
2047 }
2048
2049 if (!arg_no_legend) {
2050 if (circle_len > 0)
2051 fputs(" ", stdout);
2052
2053 printf("%-*s %-*s %-*s %-*s\n",
2054 namelen, "NAME",
2055 statelen, "STATE",
2056 failedlen, "FAILED",
2057 jobslen, "JOBS");
2058 }
2059
2060 for (m = machine_infos; m < machine_infos + n; m++) {
2061 const char *on_state = "", *off_state = "";
2062 const char *on_failed = "", *off_failed = "";
2063 bool circle = false;
2064
2065 if (streq_ptr(m->state, "degraded")) {
2066 on_state = ansi_highlight_red();
2067 off_state = ansi_normal();
2068 circle = true;
2069 } else if (!streq_ptr(m->state, "running")) {
2070 on_state = ansi_highlight_yellow();
2071 off_state = ansi_normal();
2072 circle = true;
2073 }
2074
2075 if (m->n_failed_units > 0) {
2076 on_failed = ansi_highlight_red();
2077 off_failed = ansi_normal();
2078 } else
2079 on_failed = off_failed = "";
2080
2081 if (circle_len > 0)
2082 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
2083
2084 if (!m->state)
2085 state_missing = true;
2086
2087 if (m->is_host)
2088 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2089 (int) (namelen - strlen(" (host)")),
2090 strna(m->name),
2091 on_state, statelen, strna(m->state), off_state,
2092 on_failed, failedlen, m->n_failed_units, off_failed,
2093 jobslen, m->n_jobs);
2094 else
2095 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2096 namelen, strna(m->name),
2097 on_state, statelen, strna(m->state), off_state,
2098 on_failed, failedlen, m->n_failed_units, off_failed,
2099 jobslen, m->n_jobs);
2100 }
2101
2102 if (!arg_no_legend) {
2103 printf("\n");
2104 if (state_missing && geteuid() != 0)
2105 printf("Notice: some information only available to privileged users was not shown.\n");
2106 printf("%u machines listed.\n", n);
2107 }
2108 }
2109
2110 static int list_machines(int argc, char *argv[], void *userdata) {
2111 struct machine_info *machine_infos = NULL;
2112 sd_bus *bus;
2113 int r;
2114
2115 r = acquire_bus(BUS_MANAGER, &bus);
2116 if (r < 0)
2117 return r;
2118
2119 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2120 if (r < 0)
2121 return r;
2122
2123 (void) pager_open(arg_pager_flags);
2124
2125 typesafe_qsort(machine_infos, r, compare_machine_info);
2126 output_machines_list(machine_infos, r);
2127 free_machines_list(machine_infos, r);
2128
2129 return 0;
2130 }
2131
2132 static int get_default(int argc, char *argv[], void *userdata) {
2133 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2134 _cleanup_free_ char *_path = NULL;
2135 const char *path;
2136 int r;
2137
2138 if (install_client_side()) {
2139 r = unit_file_get_default(arg_scope, arg_root, &_path);
2140 if (r < 0)
2141 return log_error_errno(r, "Failed to get default target: %m");
2142 path = _path;
2143
2144 r = 0;
2145 } else {
2146 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2147 sd_bus *bus;
2148
2149 r = acquire_bus(BUS_MANAGER, &bus);
2150 if (r < 0)
2151 return r;
2152
2153 r = sd_bus_call_method(
2154 bus,
2155 "org.freedesktop.systemd1",
2156 "/org/freedesktop/systemd1",
2157 "org.freedesktop.systemd1.Manager",
2158 "GetDefaultTarget",
2159 &error,
2160 &reply,
2161 NULL);
2162 if (r < 0)
2163 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2164
2165 r = sd_bus_message_read(reply, "s", &path);
2166 if (r < 0)
2167 return bus_log_parse_error(r);
2168 }
2169
2170 if (path)
2171 printf("%s\n", path);
2172
2173 return 0;
2174 }
2175
2176 static int set_default(int argc, char *argv[], void *userdata) {
2177 _cleanup_free_ char *unit = NULL;
2178 UnitFileChange *changes = NULL;
2179 size_t n_changes = 0;
2180 int r;
2181
2182 assert(argc >= 2);
2183 assert(argv);
2184
2185 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2186 if (r < 0)
2187 return log_error_errno(r, "Failed to mangle unit name: %m");
2188
2189 if (install_client_side()) {
2190 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2191 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2192
2193 if (r > 0)
2194 r = 0;
2195 } else {
2196 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2197 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2198 sd_bus *bus;
2199
2200 polkit_agent_open_maybe();
2201
2202 r = acquire_bus(BUS_MANAGER, &bus);
2203 if (r < 0)
2204 return r;
2205
2206 r = sd_bus_call_method(
2207 bus,
2208 "org.freedesktop.systemd1",
2209 "/org/freedesktop/systemd1",
2210 "org.freedesktop.systemd1.Manager",
2211 "SetDefaultTarget",
2212 &error,
2213 &reply,
2214 "sb", unit, 1);
2215 if (r < 0)
2216 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2217
2218 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2219 if (r < 0)
2220 goto finish;
2221
2222 /* Try to reload if enabled */
2223 if (!arg_no_reload)
2224 r = daemon_reload(argc, argv, userdata);
2225 else
2226 r = 0;
2227 }
2228
2229 finish:
2230 unit_file_changes_free(changes, n_changes);
2231
2232 return r;
2233 }
2234
2235 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2236 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2237 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2238 const char *name, *type;
2239 uint32_t other_id;
2240 int r;
2241
2242 assert(bus);
2243
2244 r = sd_bus_call_method(
2245 bus,
2246 "org.freedesktop.systemd1",
2247 "/org/freedesktop/systemd1",
2248 "org.freedesktop.systemd1.Manager",
2249 method,
2250 &error,
2251 &reply,
2252 "u", id);
2253 if (r < 0)
2254 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2255
2256 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2257 if (r < 0)
2258 return bus_log_parse_error(r);
2259
2260 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2261 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2262 if (r < 0)
2263 return bus_log_parse_error(r);
2264
2265 r = sd_bus_message_exit_container(reply);
2266 if (r < 0)
2267 return bus_log_parse_error(r);
2268
2269 return 0;
2270 }
2271
2272 struct job_info {
2273 uint32_t id;
2274 const char *name, *type, *state;
2275 };
2276
2277 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2278 unsigned id_len, unit_len, type_len, state_len;
2279 const struct job_info *j;
2280 const char *on, *off;
2281 bool shorten = false;
2282
2283 assert(n == 0 || jobs);
2284
2285 if (n == 0) {
2286 if (!arg_no_legend) {
2287 on = ansi_highlight_green();
2288 off = ansi_normal();
2289
2290 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2291 }
2292 return;
2293 }
2294
2295 (void) pager_open(arg_pager_flags);
2296
2297 id_len = STRLEN("JOB");
2298 unit_len = STRLEN("UNIT");
2299 type_len = STRLEN("TYPE");
2300 state_len = STRLEN("STATE");
2301
2302 for (j = jobs; j < jobs + n; j++) {
2303 uint32_t id = j->id;
2304 assert(j->name && j->type && j->state);
2305
2306 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2307 unit_len = MAX(unit_len, strlen(j->name));
2308 type_len = MAX(type_len, strlen(j->type));
2309 state_len = MAX(state_len, strlen(j->state));
2310 }
2311
2312 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2313 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2314 shorten = true;
2315 }
2316
2317 if (!arg_no_legend)
2318 printf("%*s %-*s %-*s %-*s\n",
2319 id_len, "JOB",
2320 unit_len, "UNIT",
2321 type_len, "TYPE",
2322 state_len, "STATE");
2323
2324 for (j = jobs; j < jobs + n; j++) {
2325 _cleanup_free_ char *e = NULL;
2326
2327 if (streq(j->state, "running")) {
2328 on = ansi_highlight();
2329 off = ansi_normal();
2330 } else
2331 on = off = "";
2332
2333 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2334 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2335 id_len, j->id,
2336 on, unit_len, e ? e : j->name, off,
2337 type_len, j->type,
2338 on, state_len, j->state, off);
2339
2340 if (arg_jobs_after)
2341 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2342 if (arg_jobs_before)
2343 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2344 }
2345
2346 if (!arg_no_legend) {
2347 on = ansi_highlight();
2348 off = ansi_normal();
2349
2350 printf("\n%s%u jobs listed%s.\n", on, n, off);
2351 }
2352 }
2353
2354 static bool output_show_job(struct job_info *job, char **patterns) {
2355 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2356 }
2357
2358 static int list_jobs(int argc, char *argv[], void *userdata) {
2359 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2360 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2361 _cleanup_free_ struct job_info *jobs = NULL;
2362 const char *name, *type, *state;
2363 bool skipped = false;
2364 size_t size = 0;
2365 unsigned c = 0;
2366 sd_bus *bus;
2367 uint32_t id;
2368 int r;
2369
2370 r = acquire_bus(BUS_MANAGER, &bus);
2371 if (r < 0)
2372 return r;
2373
2374 r = sd_bus_call_method(
2375 bus,
2376 "org.freedesktop.systemd1",
2377 "/org/freedesktop/systemd1",
2378 "org.freedesktop.systemd1.Manager",
2379 "ListJobs",
2380 &error,
2381 &reply,
2382 NULL);
2383 if (r < 0)
2384 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2385
2386 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2387 if (r < 0)
2388 return bus_log_parse_error(r);
2389
2390 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2391 struct job_info job = { id, name, type, state };
2392
2393 if (!output_show_job(&job, strv_skip(argv, 1))) {
2394 skipped = true;
2395 continue;
2396 }
2397
2398 if (!GREEDY_REALLOC(jobs, size, c + 1))
2399 return log_oom();
2400
2401 jobs[c++] = job;
2402 }
2403 if (r < 0)
2404 return bus_log_parse_error(r);
2405
2406 r = sd_bus_message_exit_container(reply);
2407 if (r < 0)
2408 return bus_log_parse_error(r);
2409
2410 (void) pager_open(arg_pager_flags);
2411
2412 output_jobs_list(bus, jobs, c, skipped);
2413 return 0;
2414 }
2415
2416 static int cancel_job(int argc, char *argv[], void *userdata) {
2417 sd_bus *bus;
2418 char **name;
2419 int r = 0;
2420
2421 if (argc <= 1)
2422 return trivial_method(argc, argv, userdata);
2423
2424 r = acquire_bus(BUS_MANAGER, &bus);
2425 if (r < 0)
2426 return r;
2427
2428 polkit_agent_open_maybe();
2429
2430 STRV_FOREACH(name, strv_skip(argv, 1)) {
2431 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2432 uint32_t id;
2433 int q;
2434
2435 q = safe_atou32(*name, &id);
2436 if (q < 0)
2437 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2438
2439 q = sd_bus_call_method(
2440 bus,
2441 "org.freedesktop.systemd1",
2442 "/org/freedesktop/systemd1",
2443 "org.freedesktop.systemd1.Manager",
2444 "CancelJob",
2445 &error,
2446 NULL,
2447 "u", id);
2448 if (q < 0) {
2449 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2450 if (r == 0)
2451 r = q;
2452 }
2453 }
2454
2455 return r;
2456 }
2457
2458 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2459 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2460 const char *path;
2461 int b, r;
2462
2463 /* We ignore all errors here, since this is used to show a
2464 * warning only */
2465
2466 /* We don't use unit_dbus_path_from_name() directly since we
2467 * don't want to load the unit if it isn't loaded. */
2468
2469 r = sd_bus_call_method(
2470 bus,
2471 "org.freedesktop.systemd1",
2472 "/org/freedesktop/systemd1",
2473 "org.freedesktop.systemd1.Manager",
2474 "GetUnit",
2475 NULL,
2476 &reply,
2477 "s", unit);
2478 if (r < 0)
2479 return r;
2480
2481 r = sd_bus_message_read(reply, "o", &path);
2482 if (r < 0)
2483 return r;
2484
2485 r = sd_bus_get_property_trivial(
2486 bus,
2487 "org.freedesktop.systemd1",
2488 path,
2489 "org.freedesktop.systemd1.Unit",
2490 "NeedDaemonReload",
2491 NULL,
2492 'b', &b);
2493 if (r < 0)
2494 return r;
2495
2496 return b;
2497 }
2498
2499 static void warn_unit_file_changed(const char *name) {
2500 assert(name);
2501
2502 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.",
2503 ansi_highlight_red(),
2504 ansi_normal(),
2505 name,
2506 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2507 }
2508
2509 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2510 char **p;
2511
2512 assert(lp);
2513 assert(unit_name);
2514
2515 STRV_FOREACH(p, lp->search_path) {
2516 _cleanup_free_ char *path = NULL, *lpath = NULL;
2517 int r;
2518
2519 path = path_join(*p, unit_name);
2520 if (!path)
2521 return log_oom();
2522
2523 r = chase_symlinks(path, arg_root, 0, &lpath);
2524 if (r == -ENOENT)
2525 continue;
2526 if (r == -ENOMEM)
2527 return log_oom();
2528 if (r < 0)
2529 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2530
2531 if (ret_unit_path)
2532 *ret_unit_path = TAKE_PTR(lpath);
2533
2534 return 1;
2535 }
2536
2537 if (ret_unit_path)
2538 *ret_unit_path = NULL;
2539
2540 return 0;
2541 }
2542
2543 static int unit_find_template_path(
2544 const char *unit_name,
2545 LookupPaths *lp,
2546 char **ret_fragment_path,
2547 char **ret_template) {
2548
2549 _cleanup_free_ char *t = NULL, *f = NULL;
2550 int r;
2551
2552 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2553
2554 r = unit_file_find_path(lp, unit_name, &f);
2555 if (r < 0)
2556 return r;
2557 if (r > 0) {
2558 if (ret_fragment_path)
2559 *ret_fragment_path = TAKE_PTR(f);
2560 if (ret_template)
2561 *ret_template = NULL;
2562 return r; /* found a real unit */
2563 }
2564
2565 r = unit_name_template(unit_name, &t);
2566 if (r == -EINVAL) {
2567 if (ret_fragment_path)
2568 *ret_fragment_path = NULL;
2569 if (ret_template)
2570 *ret_template = NULL;
2571
2572 return 0; /* not a template, does not exist */
2573 }
2574 if (r < 0)
2575 return log_error_errno(r, "Failed to determine template name: %m");
2576
2577 r = unit_file_find_path(lp, t, ret_fragment_path);
2578 if (r < 0)
2579 return r;
2580
2581 if (ret_template)
2582 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2583
2584 return r;
2585 }
2586
2587 static int unit_find_paths(
2588 sd_bus *bus,
2589 const char *unit_name,
2590 LookupPaths *lp,
2591 bool force_client_side,
2592 char **ret_fragment_path,
2593 char ***ret_dropin_paths) {
2594
2595 _cleanup_strv_free_ char **dropins = NULL;
2596 _cleanup_free_ char *path = NULL;
2597 int r;
2598
2599 /**
2600 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2601 * found, and sets:
2602 * - the path to the unit in *ret_frament_path, if it exists on disk,
2603 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2604 * were found.
2605 *
2606 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2607 * some reason (the latter only applies if we are going through the service manager).
2608 */
2609
2610 assert(unit_name);
2611 assert(ret_fragment_path);
2612 assert(lp);
2613
2614 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2615 if (!force_client_side &&
2616 !install_client_side() &&
2617 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2618 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2619 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2620
2621 dbus_path = unit_dbus_path_from_name(unit_name);
2622 if (!dbus_path)
2623 return log_oom();
2624
2625 r = sd_bus_get_property_string(
2626 bus,
2627 "org.freedesktop.systemd1",
2628 dbus_path,
2629 "org.freedesktop.systemd1.Unit",
2630 "LoadState",
2631 &error,
2632 &load_state);
2633 if (r < 0)
2634 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2635
2636 if (streq(load_state, "masked"))
2637 return -ERFKILL;
2638 if (streq(load_state, "not-found")) {
2639 r = 0;
2640 goto not_found;
2641 }
2642 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2643 return -EKEYREJECTED;
2644
2645 r = sd_bus_get_property_string(
2646 bus,
2647 "org.freedesktop.systemd1",
2648 dbus_path,
2649 "org.freedesktop.systemd1.Unit",
2650 "FragmentPath",
2651 &error,
2652 &path);
2653 if (r < 0)
2654 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2655
2656 if (ret_dropin_paths) {
2657 r = sd_bus_get_property_strv(
2658 bus,
2659 "org.freedesktop.systemd1",
2660 dbus_path,
2661 "org.freedesktop.systemd1.Unit",
2662 "DropInPaths",
2663 &error,
2664 &dropins);
2665 if (r < 0)
2666 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2667 }
2668 } else {
2669 const char *_path;
2670 _cleanup_set_free_free_ Set *names = NULL;
2671
2672 if (!cached_name_map) {
2673 r = unit_file_build_name_map(lp, NULL, &cached_id_map, &cached_name_map, NULL);
2674 if (r < 0)
2675 return r;
2676 }
2677
2678 r = unit_file_find_fragment(cached_id_map, cached_name_map, unit_name, &_path, &names);
2679 if (r < 0)
2680 return r;
2681
2682 if (_path) {
2683 path = strdup(_path);
2684 if (!path)
2685 return log_oom();
2686 }
2687
2688 if (ret_dropin_paths) {
2689 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2690 ".d", ".conf",
2691 names, &dropins);
2692 if (r < 0)
2693 return r;
2694 }
2695 }
2696
2697 if (isempty(path)) {
2698 *ret_fragment_path = NULL;
2699 r = 0;
2700 } else {
2701 *ret_fragment_path = TAKE_PTR(path);
2702 r = 1;
2703 }
2704
2705 if (ret_dropin_paths) {
2706 if (!strv_isempty(dropins)) {
2707 *ret_dropin_paths = TAKE_PTR(dropins);
2708 r = 1;
2709 } else
2710 *ret_dropin_paths = NULL;
2711 }
2712
2713 not_found:
2714 if (r == 0 && !arg_force)
2715 log_error("No files found for %s.", unit_name);
2716
2717 return r;
2718 }
2719
2720 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2721 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2722 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2723 UnitActiveState state;
2724 int r;
2725
2726 assert(name);
2727 assert(active_state);
2728
2729 dbus_path = unit_dbus_path_from_name(name);
2730 if (!dbus_path)
2731 return log_oom();
2732
2733 r = sd_bus_get_property_string(
2734 bus,
2735 "org.freedesktop.systemd1",
2736 dbus_path,
2737 "org.freedesktop.systemd1.Unit",
2738 "ActiveState",
2739 &error,
2740 &buf);
2741 if (r < 0)
2742 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2743
2744 state = unit_active_state_from_string(buf);
2745 if (state < 0)
2746 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2747
2748 *active_state = state;
2749 return 0;
2750 }
2751
2752 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2753 _cleanup_free_ char *load_state = NULL;
2754 int r;
2755
2756 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2757 _cleanup_free_ char *path = NULL;
2758
2759 /* A template cannot be loaded, but it can be still masked, so
2760 * we need to use a different method. */
2761
2762 r = unit_file_find_path(lp, name, &path);
2763 if (r < 0)
2764 return r;
2765 if (r == 0)
2766 return false;
2767 return null_or_empty_path(path);
2768 }
2769
2770 r = unit_load_state(bus, name, &load_state);
2771 if (r < 0)
2772 return r;
2773
2774 return streq(load_state, "masked");
2775 }
2776
2777 static int check_triggering_units(sd_bus *bus, const char *name) {
2778 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2779 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2780 _cleanup_strv_free_ char **triggered_by = NULL;
2781 bool print_warning_label = true;
2782 UnitActiveState active_state;
2783 char **i;
2784 int r;
2785
2786 r = unit_name_mangle(name, 0, &n);
2787 if (r < 0)
2788 return log_error_errno(r, "Failed to mangle unit name: %m");
2789
2790 r = unit_load_state(bus, name, &load_state);
2791 if (r < 0)
2792 return r;
2793
2794 if (streq(load_state, "masked"))
2795 return 0;
2796
2797 dbus_path = unit_dbus_path_from_name(n);
2798 if (!dbus_path)
2799 return log_oom();
2800
2801 r = sd_bus_get_property_strv(
2802 bus,
2803 "org.freedesktop.systemd1",
2804 dbus_path,
2805 "org.freedesktop.systemd1.Unit",
2806 "TriggeredBy",
2807 &error,
2808 &triggered_by);
2809 if (r < 0)
2810 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2811
2812 STRV_FOREACH(i, triggered_by) {
2813 r = get_state_one_unit(bus, *i, &active_state);
2814 if (r < 0)
2815 return r;
2816
2817 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2818 continue;
2819
2820 if (print_warning_label) {
2821 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2822 print_warning_label = false;
2823 }
2824
2825 log_warning(" %s", *i);
2826 }
2827
2828 return 0;
2829 }
2830
2831 static const struct {
2832 const char *verb; /* systemctl verb */
2833 const char *method; /* Name of the specific D-Bus method */
2834 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2835 } unit_actions[] = {
2836 { "start", "StartUnit", "start" },
2837 { "stop", "StopUnit", "stop" },
2838 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2839 { "reload", "ReloadUnit", "reload" },
2840 { "restart", "RestartUnit", "restart" },
2841 { "try-restart", "TryRestartUnit", "try-restart" },
2842 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2843 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2844 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2845 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2846 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2847 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2848 };
2849
2850 static const char *verb_to_method(const char *verb) {
2851 size_t i;
2852
2853 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2854 if (streq_ptr(unit_actions[i].verb, verb))
2855 return unit_actions[i].method;
2856
2857 return "StartUnit";
2858 }
2859
2860 static const char *verb_to_job_type(const char *verb) {
2861 size_t i;
2862
2863 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2864 if (streq_ptr(unit_actions[i].verb, verb))
2865 return unit_actions[i].job_type;
2866
2867 return "start";
2868 }
2869
2870 static int start_unit_one(
2871 sd_bus *bus,
2872 const char *method, /* When using classic per-job bus methods */
2873 const char *job_type, /* When using new-style EnqueueUnitJob() */
2874 const char *name,
2875 const char *mode,
2876 sd_bus_error *error,
2877 BusWaitForJobs *w,
2878 BusWaitForUnits *wu) {
2879
2880 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2881 const char *path;
2882 bool done = false;
2883 int r;
2884
2885 assert(method);
2886 assert(name);
2887 assert(mode);
2888 assert(error);
2889
2890 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2891 arg_dry_run ? "Would execute" : "Executing",
2892 method, name, mode);
2893
2894 if (arg_dry_run)
2895 return 0;
2896
2897 if (arg_show_transaction) {
2898 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2899
2900 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2901 r = sd_bus_call_method(
2902 bus,
2903 "org.freedesktop.systemd1",
2904 "/org/freedesktop/systemd1",
2905 "org.freedesktop.systemd1.Manager",
2906 "EnqueueUnitJob",
2907 &enqueue_error,
2908 &reply,
2909 "sss",
2910 name, job_type, mode);
2911 if (r < 0) {
2912 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2913 (void) sd_bus_error_move(error, &enqueue_error);
2914 goto fail;
2915 }
2916
2917 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2918 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2919 } else {
2920 const char *u, *jt;
2921 uint32_t id;
2922
2923 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2924 if (r < 0)
2925 return bus_log_parse_error(r);
2926
2927 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2928
2929 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2930 if (r < 0)
2931 return bus_log_parse_error(r);
2932 for (;;) {
2933 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2934 if (r < 0)
2935 return bus_log_parse_error(r);
2936 if (r == 0)
2937 break;
2938
2939 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2940 }
2941
2942 r = sd_bus_message_exit_container(reply);
2943 if (r < 0)
2944 return bus_log_parse_error(r);
2945
2946 done = true;
2947 }
2948 }
2949
2950 if (!done) {
2951 r = sd_bus_call_method(
2952 bus,
2953 "org.freedesktop.systemd1",
2954 "/org/freedesktop/systemd1",
2955 "org.freedesktop.systemd1.Manager",
2956 method,
2957 error,
2958 &reply,
2959 "ss", name, mode);
2960 if (r < 0)
2961 goto fail;
2962
2963 r = sd_bus_message_read(reply, "o", &path);
2964 if (r < 0)
2965 return bus_log_parse_error(r);
2966 }
2967
2968 if (need_daemon_reload(bus, name) > 0)
2969 warn_unit_file_changed(name);
2970
2971 if (w) {
2972 log_debug("Adding %s to the set", path);
2973 r = bus_wait_for_jobs_add(w, path);
2974 if (r < 0)
2975 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2976 }
2977
2978 if (wu) {
2979 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2980 if (r < 0)
2981 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2982 }
2983
2984 return 0;
2985
2986 fail:
2987 /* There's always a fallback possible for legacy actions. */
2988 if (arg_action != ACTION_SYSTEMCTL)
2989 return r;
2990
2991 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2992
2993 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2994 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2995 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2996 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2997 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2998 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2999 name[0] == '-' ? " --" : "",
3000 name);
3001
3002 return r;
3003 }
3004
3005 static const struct {
3006 const char *target;
3007 const char *verb;
3008 const char *mode;
3009 } action_table[_ACTION_MAX] = {
3010 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3011 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3012 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3013 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3014 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3015 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3016 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3017 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3018 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3019 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3020 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3021 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3022 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3023 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3024 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3025 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3026 };
3027
3028 static enum action verb_to_action(const char *verb) {
3029 enum action i;
3030
3031 for (i = 0; i < _ACTION_MAX; i++)
3032 if (streq_ptr(action_table[i].verb, verb))
3033 return i;
3034
3035 return _ACTION_INVALID;
3036 }
3037
3038 static const char** make_extra_args(const char *extra_args[static 4]) {
3039 size_t n = 0;
3040
3041 assert(extra_args);
3042
3043 if (arg_scope != UNIT_FILE_SYSTEM)
3044 extra_args[n++] = "--user";
3045
3046 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3047 extra_args[n++] = "-H";
3048 extra_args[n++] = arg_host;
3049 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3050 extra_args[n++] = "-M";
3051 extra_args[n++] = arg_host;
3052 } else
3053 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3054
3055 extra_args[n] = NULL;
3056 return extra_args;
3057 }
3058
3059 static int start_unit(int argc, char *argv[], void *userdata) {
3060 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3061 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3062 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3063 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3064 _cleanup_strv_free_ char **names = NULL;
3065 int r, ret = EXIT_SUCCESS;
3066 sd_bus *bus;
3067 char **name;
3068
3069 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3070 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3071 "--wait may only be used with the 'start' or 'restart' commands.");
3072
3073 /* we cannot do sender tracking on the private bus, so we need the full
3074 * one for RefUnit to implement --wait */
3075 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3076 if (r < 0)
3077 return r;
3078
3079 ask_password_agent_open_if_enabled();
3080 polkit_agent_open_maybe();
3081
3082 if (arg_action == ACTION_SYSTEMCTL) {
3083 enum action action;
3084
3085 action = verb_to_action(argv[0]);
3086
3087 if (action != _ACTION_INVALID) {
3088 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3089 method = "StartUnit";
3090 job_type = "start";
3091 mode = action_table[action].mode;
3092 one_name = action_table[action].target;
3093 } else {
3094 if (streq(argv[0], "isolate")) {
3095 /* A "systemctl isolate <unit1> <unit2> …" command */
3096 method = "StartUnit";
3097 job_type = "start";
3098 mode = "isolate";
3099 suffix = ".target";
3100 } else {
3101 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3102 method = verb_to_method(argv[0]);
3103 job_type = verb_to_job_type(argv[0]);
3104 mode = arg_job_mode;
3105 }
3106 one_name = NULL;
3107 }
3108 } else {
3109 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3110 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3111 assert(action_table[arg_action].target);
3112 assert(action_table[arg_action].mode);
3113
3114 method = "StartUnit";
3115 job_type = "start";
3116 mode = action_table[arg_action].mode;
3117 one_name = action_table[arg_action].target;
3118 }
3119
3120 if (one_name) {
3121 names = strv_new(one_name);
3122 if (!names)
3123 return log_oom();
3124 } else {
3125 bool expanded;
3126
3127 r = expand_names(bus, strv_skip(argv, 1), suffix, &names, &expanded);
3128 if (r < 0)
3129 return log_error_errno(r, "Failed to expand names: %m");
3130
3131 if (!arg_all && expanded && streq(job_type, "start") && !arg_quiet) {
3132 log_warning("Warning: %ssystemctl start called with a glob pattern.%s",
3133 ansi_highlight_red(),
3134 ansi_normal());
3135 log_notice("Hint: unit globs expand to loaded units, so start will usually have no effect.\n"
3136 " Passing --all will also load units which are pulled in by other units.\n"
3137 " See systemctl(1) for more details.");
3138 }
3139 }
3140
3141 if (!arg_no_block) {
3142 r = bus_wait_for_jobs_new(bus, &w);
3143 if (r < 0)
3144 return log_error_errno(r, "Could not watch jobs: %m");
3145 }
3146
3147 if (arg_wait) {
3148 r = sd_bus_call_method_async(
3149 bus,
3150 NULL,
3151 "org.freedesktop.systemd1",
3152 "/org/freedesktop/systemd1",
3153 "org.freedesktop.systemd1.Manager",
3154 "Subscribe",
3155 NULL, NULL,
3156 NULL);
3157 if (r < 0)
3158 return log_error_errno(r, "Failed to enable subscription: %m");
3159
3160 r = bus_wait_for_units_new(bus, &wu);
3161 if (r < 0)
3162 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3163 }
3164
3165 STRV_FOREACH(name, names) {
3166 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3167
3168 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3169 if (ret == EXIT_SUCCESS && r < 0)
3170 ret = translate_bus_error_to_exit_status(r, &error);
3171
3172 if (r >= 0 && streq(method, "StopUnit")) {
3173 r = strv_push(&stopped_units, *name);
3174 if (r < 0)
3175 return log_oom();
3176 }
3177 }
3178
3179 if (!arg_no_block) {
3180 const char* extra_args[4];
3181
3182 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3183 if (r < 0)
3184 return r;
3185
3186 /* When stopping units, warn if they can still be triggered by
3187 * another active unit (socket, path, timer) */
3188 if (!arg_quiet)
3189 STRV_FOREACH(name, stopped_units)
3190 (void) check_triggering_units(bus, *name);
3191 }
3192
3193 if (arg_wait) {
3194 r = bus_wait_for_units_run(wu);
3195 if (r < 0)
3196 return log_error_errno(r, "Failed to wait for units: %m");
3197 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3198 ret = EXIT_FAILURE;
3199 }
3200
3201 return ret;
3202 }
3203
3204 #if ENABLE_LOGIND
3205 static int logind_set_wall_message(void) {
3206 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3207 sd_bus *bus;
3208 _cleanup_free_ char *m = NULL;
3209 int r;
3210
3211 r = acquire_bus(BUS_FULL, &bus);
3212 if (r < 0)
3213 return r;
3214
3215 m = strv_join(arg_wall, " ");
3216 if (!m)
3217 return log_oom();
3218
3219 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3220 if (arg_dry_run)
3221 return 0;
3222
3223 r = sd_bus_call_method(
3224 bus,
3225 "org.freedesktop.login1",
3226 "/org/freedesktop/login1",
3227 "org.freedesktop.login1.Manager",
3228 "SetWallMessage",
3229 &error,
3230 NULL,
3231 "sb",
3232 m,
3233 !arg_no_wall);
3234
3235 if (r < 0)
3236 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3237 return 0;
3238 }
3239 #endif
3240
3241 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3242 static int logind_reboot(enum action a) {
3243 #if ENABLE_LOGIND
3244 static const struct {
3245 const char *method;
3246 const char *description;
3247 } actions[_ACTION_MAX] = {
3248 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3249 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3250 [ACTION_HALT] = { "Halt", "halt system" },
3251 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3252 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3253 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3254 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3255 };
3256
3257 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3258 sd_bus *bus;
3259 int r;
3260
3261 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3262 return -EINVAL;
3263
3264 r = acquire_bus(BUS_FULL, &bus);
3265 if (r < 0)
3266 return r;
3267
3268 polkit_agent_open_maybe();
3269 (void) logind_set_wall_message();
3270
3271 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3272
3273 if (arg_dry_run)
3274 return 0;
3275
3276 r = sd_bus_call_method(
3277 bus,
3278 "org.freedesktop.login1",
3279 "/org/freedesktop/login1",
3280 "org.freedesktop.login1.Manager",
3281 actions[a].method,
3282 &error,
3283 NULL,
3284 "b", arg_ask_password);
3285 if (r < 0)
3286 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3287
3288 return 0;
3289 #else
3290 return -ENOSYS;
3291 #endif
3292 }
3293
3294 static int logind_check_inhibitors(enum action a) {
3295 #if ENABLE_LOGIND
3296 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3297 _cleanup_strv_free_ char **sessions = NULL;
3298 const char *what, *who, *why, *mode;
3299 uint32_t uid, pid;
3300 sd_bus *bus;
3301 unsigned c = 0;
3302 char **s;
3303 int r;
3304
3305 if (arg_ignore_inhibitors || arg_force > 0)
3306 return 0;
3307
3308 if (arg_when > 0)
3309 return 0;
3310
3311 if (geteuid() == 0)
3312 return 0;
3313
3314 if (!on_tty())
3315 return 0;
3316
3317 if (arg_transport != BUS_TRANSPORT_LOCAL)
3318 return 0;
3319
3320 r = acquire_bus(BUS_FULL, &bus);
3321 if (r < 0)
3322 return r;
3323
3324 r = sd_bus_call_method(
3325 bus,
3326 "org.freedesktop.login1",
3327 "/org/freedesktop/login1",
3328 "org.freedesktop.login1.Manager",
3329 "ListInhibitors",
3330 NULL,
3331 &reply,
3332 NULL);
3333 if (r < 0)
3334 /* If logind is not around, then there are no inhibitors... */
3335 return 0;
3336
3337 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3338 if (r < 0)
3339 return bus_log_parse_error(r);
3340
3341 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3342 _cleanup_free_ char *comm = NULL, *user = NULL;
3343 _cleanup_strv_free_ char **sv = NULL;
3344
3345 if (!streq(mode, "block"))
3346 continue;
3347
3348 sv = strv_split(what, ":");
3349 if (!sv)
3350 return log_oom();
3351
3352 if (!pid_is_valid((pid_t) pid))
3353 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3354
3355 if (!strv_contains(sv,
3356 IN_SET(a,
3357 ACTION_HALT,
3358 ACTION_POWEROFF,
3359 ACTION_REBOOT,
3360 ACTION_KEXEC) ? "shutdown" : "sleep"))
3361 continue;
3362
3363 get_process_comm(pid, &comm);
3364 user = uid_to_name(uid);
3365
3366 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3367 who, (pid_t) pid, strna(comm), strna(user), why);
3368
3369 c++;
3370 }
3371 if (r < 0)
3372 return bus_log_parse_error(r);
3373
3374 r = sd_bus_message_exit_container(reply);
3375 if (r < 0)
3376 return bus_log_parse_error(r);
3377
3378 /* Check for current sessions */
3379 sd_get_sessions(&sessions);
3380 STRV_FOREACH(s, sessions) {
3381 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3382
3383 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3384 continue;
3385
3386 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3387 continue;
3388
3389 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3390 continue;
3391
3392 sd_session_get_tty(*s, &tty);
3393 sd_session_get_seat(*s, &seat);
3394 sd_session_get_service(*s, &service);
3395 user = uid_to_name(uid);
3396
3397 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3398 c++;
3399 }
3400
3401 if (c <= 0)
3402 return 0;
3403
3404 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3405 action_table[a].verb);
3406
3407 return -EPERM;
3408 #else
3409 return 0;
3410 #endif
3411 }
3412
3413 static int prepare_firmware_setup(void) {
3414
3415 if (!arg_firmware_setup)
3416 return 0;
3417
3418 #if ENABLE_LOGIND
3419 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3420 sd_bus *bus;
3421 int r;
3422
3423 r = acquire_bus(BUS_FULL, &bus);
3424 if (r < 0)
3425 return r;
3426
3427 r = sd_bus_call_method(
3428 bus,
3429 "org.freedesktop.login1",
3430 "/org/freedesktop/login1",
3431 "org.freedesktop.login1.Manager",
3432 "SetRebootToFirmwareSetup",
3433 &error,
3434 NULL,
3435 "b", true);
3436 if (r < 0)
3437 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3438
3439 return 0;
3440 #else
3441 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3442 "Booting into firmware setup not supported.");
3443 #endif
3444 }
3445
3446 static int prepare_boot_loader_menu(void) {
3447
3448 if (arg_boot_loader_menu == USEC_INFINITY)
3449 return 0;
3450
3451 #if ENABLE_LOGIND
3452 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3453 sd_bus *bus;
3454 int r;
3455
3456 r = acquire_bus(BUS_FULL, &bus);
3457 if (r < 0)
3458 return r;
3459
3460 r = sd_bus_call_method(
3461 bus,
3462 "org.freedesktop.login1",
3463 "/org/freedesktop/login1",
3464 "org.freedesktop.login1.Manager",
3465 "SetRebootToBootLoaderMenu",
3466 &error,
3467 NULL,
3468 "t", arg_boot_loader_menu);
3469 if (r < 0)
3470 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3471
3472 return 0;
3473 #else
3474 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3475 "Booting into boot loader menu not supported.");
3476 #endif
3477 }
3478
3479 static int prepare_boot_loader_entry(void) {
3480
3481 if (!arg_boot_loader_entry)
3482 return 0;
3483
3484 #if ENABLE_LOGIND
3485 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3486 sd_bus *bus;
3487 int r;
3488
3489 r = acquire_bus(BUS_FULL, &bus);
3490 if (r < 0)
3491 return r;
3492
3493 r = sd_bus_call_method(
3494 bus,
3495 "org.freedesktop.login1",
3496 "/org/freedesktop/login1",
3497 "org.freedesktop.login1.Manager",
3498 "SetRebootToBootLoaderEntry",
3499 &error,
3500 NULL,
3501 "s", arg_boot_loader_entry);
3502 if (r < 0)
3503 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3504
3505 return 0;
3506 #else
3507 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3508 "Booting into boot loader entry not supported.");
3509 #endif
3510 }
3511
3512 static int load_kexec_kernel(void) {
3513 _cleanup_(boot_config_free) BootConfig config = {};
3514 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3515 const BootEntry *e;
3516 pid_t pid;
3517 int r;
3518
3519 if (kexec_loaded()) {
3520 log_debug("Kexec kernel already loaded.");
3521 return 0;
3522 }
3523
3524 if (access(KEXEC, X_OK) < 0)
3525 return log_error_errno(errno, KEXEC" is not available: %m");
3526
3527 r = boot_entries_load_config_auto(NULL, NULL, &config);
3528 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3529 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3530 if (r < 0)
3531 return r;
3532
3533 e = boot_config_default_entry(&config);
3534 if (!e)
3535 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3536 "No boot loader entry suitable as default, refusing to guess.");
3537
3538 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3539
3540 if (!e->kernel)
3541 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3542 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3543 if (strv_length(e->initrd) > 1)
3544 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3545 "Boot entry specifies multiple initrds, which is not supported currently.");
3546
3547 kernel = path_join(e->root, e->kernel);
3548 if (!kernel)
3549 return log_oom();
3550
3551 if (!strv_isempty(e->initrd)) {
3552 initrd = path_join(e->root, e->initrd[0]);
3553 if (!initrd)
3554 return log_oom();
3555 }
3556
3557 options = strv_join(e->options, " ");
3558 if (!options)
3559 return log_oom();
3560
3561 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3562 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3563 arg_dry_run ? "Would run" : "Running",
3564 kernel,
3565 options,
3566 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3567 if (arg_dry_run)
3568 return 0;
3569
3570 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3571 if (r < 0)
3572 return r;
3573 if (r == 0) {
3574 const char* const args[] = {
3575 KEXEC,
3576 "--load", kernel,
3577 "--append", options,
3578 initrd ? "--initrd" : NULL, initrd,
3579 NULL
3580 };
3581
3582 /* Child */
3583 execv(args[0], (char * const *) args);
3584 _exit(EXIT_FAILURE);
3585 }
3586
3587 return 0;
3588 }
3589
3590 static int set_exit_code(uint8_t code) {
3591 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3592 sd_bus *bus;
3593 int r;
3594
3595 r = acquire_bus(BUS_MANAGER, &bus);
3596 if (r < 0)
3597 return r;
3598
3599 r = sd_bus_call_method(
3600 bus,
3601 "org.freedesktop.systemd1",
3602 "/org/freedesktop/systemd1",
3603 "org.freedesktop.systemd1.Manager",
3604 "SetExitCode",
3605 &error,
3606 NULL,
3607 "y", code);
3608 if (r < 0)
3609 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3610
3611 return 0;
3612 }
3613
3614 static int start_special(int argc, char *argv[], void *userdata) {
3615 enum action a;
3616 int r;
3617 bool termination_action; /* an action that terminates the manager,
3618 * can be performed also by signal. */
3619
3620 assert(argv);
3621
3622 a = verb_to_action(argv[0]);
3623
3624 r = logind_check_inhibitors(a);
3625 if (r < 0)
3626 return r;
3627
3628 if (arg_force >= 2) {
3629 r = must_be_root();
3630 if (r < 0)
3631 return r;
3632 }
3633
3634 r = prepare_firmware_setup();
3635 if (r < 0)
3636 return r;
3637
3638 r = prepare_boot_loader_menu();
3639 if (r < 0)
3640 return r;
3641
3642 r = prepare_boot_loader_entry();
3643 if (r < 0)
3644 return r;
3645
3646 if (a == ACTION_REBOOT && argc > 1) {
3647 r = update_reboot_parameter_and_warn(argv[1], false);
3648 if (r < 0)
3649 return r;
3650
3651 } else if (a == ACTION_KEXEC) {
3652 r = load_kexec_kernel();
3653 if (r < 0 && arg_force >= 1)
3654 log_notice("Failed to load kexec kernel, continuing without.");
3655 else if (r < 0)
3656 return r;
3657
3658 } else if (a == ACTION_EXIT && argc > 1) {
3659 uint8_t code;
3660
3661 /* If the exit code is not given on the command line,
3662 * don't reset it to zero: just keep it as it might
3663 * have been set previously. */
3664
3665 r = safe_atou8(argv[1], &code);
3666 if (r < 0)
3667 return log_error_errno(r, "Invalid exit code.");
3668
3669 r = set_exit_code(code);
3670 if (r < 0)
3671 return r;
3672 }
3673
3674 termination_action = IN_SET(a,
3675 ACTION_HALT,
3676 ACTION_POWEROFF,
3677 ACTION_REBOOT);
3678 if (termination_action && arg_force >= 2)
3679 return halt_now(a);
3680
3681 if (arg_force >= 1 &&
3682 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3683 r = trivial_method(argc, argv, userdata);
3684 else {
3685 /* First try logind, to allow authentication with polkit */
3686 if (IN_SET(a,
3687 ACTION_POWEROFF,
3688 ACTION_REBOOT,
3689 ACTION_HALT,
3690 ACTION_SUSPEND,
3691 ACTION_HIBERNATE,
3692 ACTION_HYBRID_SLEEP,
3693 ACTION_SUSPEND_THEN_HIBERNATE)) {
3694
3695 r = logind_reboot(a);
3696 if (r >= 0)
3697 return r;
3698 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3699 /* requested operation is not supported or already in progress */
3700 return r;
3701
3702 /* On all other errors, try low-level operation. In order to minimize the difference between
3703 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3704 * logind's shutdown operations are always non-blocking. */
3705
3706 arg_no_block = true;
3707
3708 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3709 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3710 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3711 arg_no_block = true;
3712
3713 r = start_unit(argc, argv, userdata);
3714 }
3715
3716 if (termination_action && arg_force < 2 &&
3717 IN_SET(r, -ENOENT, -ETIMEDOUT))
3718 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3719
3720 return r;
3721 }
3722
3723 static int start_system_special(int argc, char *argv[], void *userdata) {
3724 /* Like start_special above, but raises an error when running in user mode */
3725
3726 if (arg_scope != UNIT_FILE_SYSTEM)
3727 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3728 "Bad action for %s mode.",
3729 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3730
3731 return start_special(argc, argv, userdata);
3732 }
3733
3734 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3735 _cleanup_strv_free_ char **names = NULL;
3736 UnitActiveState active_state;
3737 sd_bus *bus;
3738 char **name;
3739 int r, i;
3740 bool found = false;
3741
3742 r = acquire_bus(BUS_MANAGER, &bus);
3743 if (r < 0)
3744 return r;
3745
3746 r = expand_names(bus, args, NULL, &names, NULL);
3747 if (r < 0)
3748 return log_error_errno(r, "Failed to expand names: %m");
3749
3750 STRV_FOREACH(name, names) {
3751 r = get_state_one_unit(bus, *name, &active_state);
3752 if (r < 0)
3753 return r;
3754
3755 if (!arg_quiet)
3756 puts(unit_active_state_to_string(active_state));
3757
3758 for (i = 0; i < nb_states; ++i)
3759 if (good_states[i] == active_state)
3760 found = true;
3761 }
3762
3763 /* use the given return code for the case that we won't find
3764 * any unit which matches the list */
3765 return found ? 0 : code;
3766 }
3767
3768 static int check_unit_active(int argc, char *argv[], void *userdata) {
3769 static const UnitActiveState states[] = {
3770 UNIT_ACTIVE,
3771 UNIT_RELOADING,
3772 };
3773
3774 /* According to LSB: 3, "program is not running" */
3775 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3776 }
3777
3778 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3779 static const UnitActiveState states[] = {
3780 UNIT_FAILED,
3781 };
3782
3783 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3784 }
3785
3786 static int kill_unit(int argc, char *argv[], void *userdata) {
3787 _cleanup_strv_free_ char **names = NULL;
3788 char *kill_who = NULL, **name;
3789 sd_bus *bus;
3790 int r, q;
3791
3792 r = acquire_bus(BUS_MANAGER, &bus);
3793 if (r < 0)
3794 return r;
3795
3796 polkit_agent_open_maybe();
3797
3798 if (!arg_kill_who)
3799 arg_kill_who = "all";
3800
3801 /* --fail was specified */
3802 if (streq(arg_job_mode, "fail"))
3803 kill_who = strjoina(arg_kill_who, "-fail");
3804
3805 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3806 if (r < 0)
3807 return log_error_errno(r, "Failed to expand names: %m");
3808
3809 STRV_FOREACH(name, names) {
3810 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3811
3812 q = sd_bus_call_method(
3813 bus,
3814 "org.freedesktop.systemd1",
3815 "/org/freedesktop/systemd1",
3816 "org.freedesktop.systemd1.Manager",
3817 "KillUnit",
3818 &error,
3819 NULL,
3820 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3821 if (q < 0) {
3822 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3823 if (r == 0)
3824 r = q;
3825 }
3826 }
3827
3828 return r;
3829 }
3830
3831 static int clean_unit(int argc, char *argv[], void *userdata) {
3832 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3833 _cleanup_strv_free_ char **names = NULL;
3834 int r, ret = EXIT_SUCCESS;
3835 char **name;
3836 sd_bus *bus;
3837
3838 r = acquire_bus(BUS_FULL, &bus);
3839 if (r < 0)
3840 return r;
3841
3842 polkit_agent_open_maybe();
3843
3844 if (!arg_clean_what) {
3845 arg_clean_what = strv_new("cache", "runtime");
3846 if (!arg_clean_what)
3847 return log_oom();
3848 }
3849
3850 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
3851 if (r < 0)
3852 return log_error_errno(r, "Failed to expand names: %m");
3853
3854 if (!arg_no_block) {
3855 r = bus_wait_for_units_new(bus, &w);
3856 if (r < 0)
3857 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3858 }
3859
3860 STRV_FOREACH(name, names) {
3861 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3862 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3863
3864 if (w) {
3865 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3866 r = sd_bus_call_method(
3867 bus,
3868 "org.freedesktop.systemd1",
3869 "/org/freedesktop/systemd1",
3870 "org.freedesktop.systemd1.Manager",
3871 "RefUnit",
3872 &error,
3873 NULL,
3874 "s", *name);
3875 if (r < 0) {
3876 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3877 if (ret == EXIT_SUCCESS)
3878 ret = r;
3879 continue;
3880 }
3881 }
3882
3883 r = sd_bus_message_new_method_call(
3884 bus,
3885 &m,
3886 "org.freedesktop.systemd1",
3887 "/org/freedesktop/systemd1",
3888 "org.freedesktop.systemd1.Manager",
3889 "CleanUnit");
3890 if (r < 0)
3891 return bus_log_create_error(r);
3892
3893 r = sd_bus_message_append(m, "s", *name);
3894 if (r < 0)
3895 return bus_log_create_error(r);
3896
3897 r = sd_bus_message_append_strv(m, arg_clean_what);
3898 if (r < 0)
3899 return bus_log_create_error(r);
3900
3901 r = sd_bus_call(bus, m, 0, &error, NULL);
3902 if (r < 0) {
3903 log_error_errno(r, "Failed to clean unit %s: %s", *name, bus_error_message(&error, r));
3904 if (ret == EXIT_SUCCESS) {
3905 ret = r;
3906 continue;
3907 }
3908 }
3909
3910 if (w) {
3911 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3912 if (r < 0)
3913 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3914 }
3915 }
3916
3917 r = bus_wait_for_units_run(w);
3918 if (r < 0)
3919 return log_error_errno(r, "Failed to wait for units: %m");
3920 if (r == BUS_WAIT_FAILURE)
3921 ret = EXIT_FAILURE;
3922
3923 return ret;
3924 }
3925
3926 typedef struct ExecStatusInfo {
3927 char *name;
3928
3929 char *path;
3930 char **argv;
3931
3932 bool ignore;
3933
3934 usec_t start_timestamp;
3935 usec_t exit_timestamp;
3936 pid_t pid;
3937 int code;
3938 int status;
3939
3940 ExecCommandFlags flags;
3941
3942 LIST_FIELDS(struct ExecStatusInfo, exec);
3943 } ExecStatusInfo;
3944
3945 static void exec_status_info_free(ExecStatusInfo *i) {
3946 assert(i);
3947
3948 free(i->name);
3949 free(i->path);
3950 strv_free(i->argv);
3951 free(i);
3952 }
3953
3954 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3955 _cleanup_strv_free_ char **ex_opts = NULL;
3956 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3957 const char *path;
3958 uint32_t pid;
3959 int32_t code, status;
3960 int ignore, r;
3961
3962 assert(m);
3963 assert(i);
3964
3965 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3966 if (r < 0)
3967 return bus_log_parse_error(r);
3968 else if (r == 0)
3969 return 0;
3970
3971 r = sd_bus_message_read(m, "s", &path);
3972 if (r < 0)
3973 return bus_log_parse_error(r);
3974
3975 i->path = strdup(path);
3976 if (!i->path)
3977 return log_oom();
3978
3979 r = sd_bus_message_read_strv(m, &i->argv);
3980 if (r < 0)
3981 return bus_log_parse_error(r);
3982
3983 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3984 if (r < 0)
3985 return bus_log_parse_error(r);
3986
3987 r = sd_bus_message_read(m,
3988 "ttttuii",
3989 &start_timestamp, &start_timestamp_monotonic,
3990 &exit_timestamp, &exit_timestamp_monotonic,
3991 &pid,
3992 &code, &status);
3993 if (r < 0)
3994 return bus_log_parse_error(r);
3995
3996 if (is_ex_prop) {
3997 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3998 if (r < 0)
3999 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
4000
4001 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
4002 } else
4003 i->ignore = ignore;
4004
4005 i->start_timestamp = (usec_t) start_timestamp;
4006 i->exit_timestamp = (usec_t) exit_timestamp;
4007 i->pid = (pid_t) pid;
4008 i->code = code;
4009 i->status = status;
4010
4011 r = sd_bus_message_exit_container(m);
4012 if (r < 0)
4013 return bus_log_parse_error(r);
4014
4015 return 1;
4016 }
4017
4018 typedef struct UnitCondition {
4019 char *name;
4020 char *param;
4021 bool trigger;
4022 bool negate;
4023 int tristate;
4024
4025 LIST_FIELDS(struct UnitCondition, conditions);
4026 } UnitCondition;
4027
4028 static void unit_condition_free(UnitCondition *c) {
4029 if (!c)
4030 return;
4031
4032 free(c->name);
4033 free(c->param);
4034 free(c);
4035 }
4036
4037 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4038
4039 typedef struct UnitStatusInfo {
4040 const char *id;
4041 const char *load_state;
4042 const char *active_state;
4043 const char *sub_state;
4044 const char *unit_file_state;
4045 const char *unit_file_preset;
4046
4047 const char *description;
4048 const char *following;
4049
4050 char **documentation;
4051
4052 const char *fragment_path;
4053 const char *source_path;
4054 const char *control_group;
4055
4056 char **dropin_paths;
4057
4058 const char *load_error;
4059 const char *result;
4060
4061 usec_t inactive_exit_timestamp;
4062 usec_t inactive_exit_timestamp_monotonic;
4063 usec_t active_enter_timestamp;
4064 usec_t active_exit_timestamp;
4065 usec_t inactive_enter_timestamp;
4066
4067 bool need_daemon_reload;
4068 bool transient;
4069
4070 /* Service */
4071 pid_t main_pid;
4072 pid_t control_pid;
4073 const char *status_text;
4074 const char *pid_file;
4075 bool running:1;
4076 int status_errno;
4077
4078 usec_t start_timestamp;
4079 usec_t exit_timestamp;
4080
4081 int exit_code, exit_status;
4082
4083 usec_t condition_timestamp;
4084 bool condition_result;
4085 LIST_HEAD(UnitCondition, conditions);
4086
4087 usec_t assert_timestamp;
4088 bool assert_result;
4089 bool failed_assert_trigger;
4090 bool failed_assert_negate;
4091 const char *failed_assert;
4092 const char *failed_assert_parameter;
4093 usec_t next_elapse_real;
4094 usec_t next_elapse_monotonic;
4095
4096 /* Socket */
4097 unsigned n_accepted;
4098 unsigned n_connections;
4099 unsigned n_refused;
4100 bool accept;
4101
4102 /* Pairs of type, path */
4103 char **listen;
4104
4105 /* Device */
4106 const char *sysfs_path;
4107
4108 /* Mount, Automount */
4109 const char *where;
4110
4111 /* Swap */
4112 const char *what;
4113
4114 /* CGroup */
4115 uint64_t memory_current;
4116 uint64_t memory_min;
4117 uint64_t memory_low;
4118 uint64_t memory_high;
4119 uint64_t memory_max;
4120 uint64_t memory_swap_max;
4121 uint64_t memory_limit;
4122 uint64_t cpu_usage_nsec;
4123 uint64_t tasks_current;
4124 uint64_t tasks_max;
4125 uint64_t ip_ingress_bytes;
4126 uint64_t ip_egress_bytes;
4127 uint64_t io_read_bytes;
4128 uint64_t io_write_bytes;
4129
4130 uint64_t default_memory_min;
4131 uint64_t default_memory_low;
4132
4133 LIST_HEAD(ExecStatusInfo, exec);
4134 } UnitStatusInfo;
4135
4136 static void unit_status_info_free(UnitStatusInfo *info) {
4137 ExecStatusInfo *p;
4138 UnitCondition *c;
4139
4140 strv_free(info->documentation);
4141 strv_free(info->dropin_paths);
4142 strv_free(info->listen);
4143
4144 while ((c = info->conditions)) {
4145 LIST_REMOVE(conditions, info->conditions, c);
4146 unit_condition_free(c);
4147 }
4148
4149 while ((p = info->exec)) {
4150 LIST_REMOVE(exec, info->exec, p);
4151 exec_status_info_free(p);
4152 }
4153 }
4154
4155 static void print_status_info(
4156 sd_bus *bus,
4157 UnitStatusInfo *i,
4158 bool *ellipsized) {
4159
4160 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4161 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4162 _cleanup_free_ char *formatted_path = NULL;
4163 ExecStatusInfo *p;
4164 usec_t timestamp;
4165 const char *path;
4166 char **t, **t2;
4167 int r;
4168
4169 assert(i);
4170
4171 /* This shows pretty information about a unit. See
4172 * print_property() for a low-level property printer */
4173
4174 if (streq_ptr(i->active_state, "failed")) {
4175 active_on = ansi_highlight_red();
4176 active_off = ansi_normal();
4177 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4178 active_on = ansi_highlight_green();
4179 active_off = ansi_normal();
4180 } else
4181 active_on = active_off = "";
4182
4183 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4184
4185 if (i->description && !streq_ptr(i->id, i->description))
4186 printf(" - %s", i->description);
4187
4188 printf("\n");
4189
4190 if (i->following)
4191 printf(" Follow: unit currently follows state of %s\n", i->following);
4192
4193 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4194 on = ansi_highlight_red();
4195 off = ansi_normal();
4196 } else
4197 on = off = "";
4198
4199 path = i->source_path ?: i->fragment_path;
4200 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4201 path = formatted_path;
4202
4203 if (!isempty(i->load_error))
4204 printf(" Loaded: %s%s%s (Reason: %s)\n",
4205 on, strna(i->load_state), off, i->load_error);
4206 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4207 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4208 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4209 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4210 else if (path && !isempty(i->unit_file_state))
4211 printf(" Loaded: %s%s%s (%s; %s)\n",
4212 on, strna(i->load_state), off, path, i->unit_file_state);
4213 else if (path)
4214 printf(" Loaded: %s%s%s (%s)\n",
4215 on, strna(i->load_state), off, path);
4216 else
4217 printf(" Loaded: %s%s%s\n",
4218 on, strna(i->load_state), off);
4219
4220 if (i->transient)
4221 printf("Transient: yes\n");
4222
4223 if (!strv_isempty(i->dropin_paths)) {
4224 _cleanup_free_ char *dir = NULL;
4225 bool last = false;
4226 char ** dropin;
4227
4228 STRV_FOREACH(dropin, i->dropin_paths) {
4229 _cleanup_free_ char *dropin_formatted = NULL;
4230 const char *df;
4231
4232 if (!dir || last) {
4233 printf(dir ? " " :
4234 " Drop-In: ");
4235
4236 dir = mfree(dir);
4237
4238 dir = dirname_malloc(*dropin);
4239 if (!dir) {
4240 log_oom();
4241 return;
4242 }
4243
4244 printf("%s\n"
4245 " %s", dir,
4246 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4247 }
4248
4249 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4250
4251 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4252 df = dropin_formatted;
4253 else
4254 df = *dropin;
4255
4256 printf("%s%s", df, last ? "\n" : ", ");
4257 }
4258 }
4259
4260 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4261 if (ss)
4262 printf(" Active: %s%s (%s)%s",
4263 active_on, strna(i->active_state), ss, active_off);
4264 else
4265 printf(" Active: %s%s%s",
4266 active_on, strna(i->active_state), active_off);
4267
4268 if (!isempty(i->result) && !streq(i->result, "success"))
4269 printf(" (Result: %s)", i->result);
4270
4271 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4272 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4273 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4274 i->active_exit_timestamp;
4275
4276 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4277 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4278
4279 if (s1)
4280 printf(" since %s; %s\n", s2, s1);
4281 else if (s2)
4282 printf(" since %s\n", s2);
4283 else
4284 printf("\n");
4285
4286 if (endswith(i->id, ".timer")) {
4287 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4288 tstamp2[FORMAT_TIMESTAMP_MAX];
4289 const char *next_rel_time, *next_time;
4290 dual_timestamp nw, next = {i->next_elapse_real,
4291 i->next_elapse_monotonic};
4292 usec_t next_elapse;
4293
4294 printf(" Trigger: ");
4295
4296 dual_timestamp_get(&nw);
4297 next_elapse = calc_next_elapse(&nw, &next);
4298 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4299 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4300
4301 if (next_time && next_rel_time)
4302 printf("%s; %s\n", next_time, next_rel_time);
4303 else
4304 printf("n/a\n");
4305 }
4306
4307 if (!i->condition_result && i->condition_timestamp > 0) {
4308 UnitCondition *c;
4309 int n = 0;
4310
4311 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4312 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4313
4314 printf("Condition: start %scondition failed%s at %s%s%s\n",
4315 ansi_highlight_yellow(), ansi_normal(),
4316 s2, s1 ? "; " : "", strempty(s1));
4317
4318 LIST_FOREACH(conditions, c, i->conditions)
4319 if (c->tristate < 0)
4320 n++;
4321
4322 LIST_FOREACH(conditions, c, i->conditions)
4323 if (c->tristate < 0)
4324 printf(" %s %s=%s%s%s was not met\n",
4325 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4326 c->name,
4327 c->trigger ? "|" : "",
4328 c->negate ? "!" : "",
4329 c->param);
4330 }
4331
4332 if (!i->assert_result && i->assert_timestamp > 0) {
4333 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4334 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4335
4336 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4337 ansi_highlight_red(), ansi_normal(),
4338 s2, s1 ? "; " : "", strempty(s1));
4339 if (i->failed_assert_trigger)
4340 printf(" none of the trigger assertions were met\n");
4341 else if (i->failed_assert)
4342 printf(" %s=%s%s was not met\n",
4343 i->failed_assert,
4344 i->failed_assert_negate ? "!" : "",
4345 i->failed_assert_parameter);
4346 }
4347
4348 if (i->sysfs_path)
4349 printf(" Device: %s\n", i->sysfs_path);
4350 if (i->where)
4351 printf(" Where: %s\n", i->where);
4352 if (i->what)
4353 printf(" What: %s\n", i->what);
4354
4355 STRV_FOREACH(t, i->documentation) {
4356 _cleanup_free_ char *formatted = NULL;
4357 const char *q;
4358
4359 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4360 q = formatted;
4361 else
4362 q = *t;
4363
4364 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4365 }
4366
4367 STRV_FOREACH_PAIR(t, t2, i->listen)
4368 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4369
4370 if (i->accept) {
4371 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4372 if (i->n_refused)
4373 printf(" Refused: %u", i->n_refused);
4374 printf("\n");
4375 }
4376
4377 LIST_FOREACH(exec, p, i->exec) {
4378 _cleanup_free_ char *argv = NULL;
4379 bool good;
4380
4381 /* Only show exited processes here */
4382 if (p->code == 0)
4383 continue;
4384
4385 /* Don't print ExecXYZEx= properties here since it will appear as a
4386 * duplicate of the non-Ex= variant. */
4387 if (endswith(p->name, "Ex"))
4388 continue;
4389
4390 argv = strv_join(p->argv, " ");
4391 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4392
4393 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4394 if (!good) {
4395 on = ansi_highlight_red();
4396 off = ansi_normal();
4397 } else
4398 on = off = "";
4399
4400 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4401
4402 if (p->code == CLD_EXITED) {
4403 const char *c;
4404
4405 printf("status=%i", p->status);
4406
4407 c = exit_status_to_string(p->status, EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4408 if (c)
4409 printf("/%s", c);
4410
4411 } else
4412 printf("signal=%s", signal_to_string(p->status));
4413
4414 printf(")%s\n", off);
4415
4416 if (i->main_pid == p->pid &&
4417 i->start_timestamp == p->start_timestamp &&
4418 i->exit_timestamp == p->start_timestamp)
4419 /* Let's not show this twice */
4420 i->main_pid = 0;
4421
4422 if (p->pid == i->control_pid)
4423 i->control_pid = 0;
4424 }
4425
4426 if (i->main_pid > 0 || i->control_pid > 0) {
4427 if (i->main_pid > 0) {
4428 printf(" Main PID: "PID_FMT, i->main_pid);
4429
4430 if (i->running) {
4431
4432 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4433 _cleanup_free_ char *comm = NULL;
4434
4435 (void) get_process_comm(i->main_pid, &comm);
4436 if (comm)
4437 printf(" (%s)", comm);
4438 }
4439
4440 } else if (i->exit_code > 0) {
4441 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4442
4443 if (i->exit_code == CLD_EXITED) {
4444 const char *c;
4445
4446 printf("status=%i", i->exit_status);
4447
4448 c = exit_status_to_string(i->exit_status,
4449 EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4450 if (c)
4451 printf("/%s", c);
4452
4453 } else
4454 printf("signal=%s", signal_to_string(i->exit_status));
4455 printf(")");
4456 }
4457 }
4458
4459 if (i->control_pid > 0) {
4460 _cleanup_free_ char *c = NULL;
4461
4462 if (i->main_pid > 0)
4463 fputs("; Control PID: ", stdout);
4464 else
4465 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4466
4467 printf(PID_FMT, i->control_pid);
4468
4469 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4470 (void) get_process_comm(i->control_pid, &c);
4471 if (c)
4472 printf(" (%s)", c);
4473 }
4474 }
4475
4476 printf("\n");
4477 }
4478
4479 if (i->status_text)
4480 printf(" Status: \"%s\"\n", i->status_text);
4481 if (i->status_errno > 0)
4482 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4483
4484 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4485 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4486
4487 printf(" IP: %s in, %s out\n",
4488 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4489 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4490 }
4491
4492 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4493 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4494
4495 printf(" IO: %s read, %s written\n",
4496 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4497 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4498 }
4499
4500 if (i->tasks_current != (uint64_t) -1) {
4501 printf(" Tasks: %" PRIu64, i->tasks_current);
4502
4503 if (i->tasks_max != (uint64_t) -1)
4504 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4505 else
4506 printf("\n");
4507 }
4508
4509 if (i->memory_current != (uint64_t) -1) {
4510 char buf[FORMAT_BYTES_MAX];
4511
4512 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4513
4514 if (i->memory_min > 0 || i->memory_low > 0 ||
4515 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4516 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4517 i->memory_limit != CGROUP_LIMIT_MAX) {
4518 const char *prefix = "";
4519
4520 printf(" (");
4521 if (i->memory_min > 0) {
4522 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4523 prefix = " ";
4524 }
4525 if (i->memory_low > 0) {
4526 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4527 prefix = " ";
4528 }
4529 if (i->memory_high != CGROUP_LIMIT_MAX) {
4530 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4531 prefix = " ";
4532 }
4533 if (i->memory_max != CGROUP_LIMIT_MAX) {
4534 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4535 prefix = " ";
4536 }
4537 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4538 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4539 prefix = " ";
4540 }
4541 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4542 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4543 prefix = " ";
4544 }
4545 printf(")");
4546 }
4547 printf("\n");
4548 }
4549
4550 if (i->cpu_usage_nsec != (uint64_t) -1) {
4551 char buf[FORMAT_TIMESPAN_MAX];
4552 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4553 }
4554
4555 if (i->control_group) {
4556 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4557 static const char prefix[] = " ";
4558 unsigned c;
4559
4560 printf(" CGroup: %s\n", i->control_group);
4561
4562 c = columns();
4563 if (c > sizeof(prefix) - 1)
4564 c -= sizeof(prefix) - 1;
4565 else
4566 c = 0;
4567
4568 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4569 if (r == -EBADR) {
4570 unsigned k = 0;
4571 pid_t extra[2];
4572
4573 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4574
4575 if (i->main_pid > 0)
4576 extra[k++] = i->main_pid;
4577
4578 if (i->control_pid > 0)
4579 extra[k++] = i->control_pid;
4580
4581 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4582 } else if (r < 0)
4583 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4584 i->id, bus_error_message(&error, r));
4585 }
4586
4587 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4588 show_journal_by_unit(
4589 stdout,
4590 i->id,
4591 arg_output,
4592 0,
4593 i->inactive_exit_timestamp_monotonic,
4594 arg_lines,
4595 getuid(),
4596 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4597 SD_JOURNAL_LOCAL_ONLY,
4598 arg_scope == UNIT_FILE_SYSTEM,
4599 ellipsized);
4600
4601 if (i->need_daemon_reload)
4602 warn_unit_file_changed(i->id);
4603 }
4604
4605 static void show_unit_help(UnitStatusInfo *i) {
4606 char **p;
4607
4608 assert(i);
4609
4610 if (!i->documentation) {
4611 log_info("Documentation for %s not known.", i->id);
4612 return;
4613 }
4614
4615 STRV_FOREACH(p, i->documentation)
4616 if (startswith(*p, "man:"))
4617 show_man_page(*p + 4, false);
4618 else
4619 log_info("Can't show: %s", *p);
4620 }
4621
4622 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4623 UnitStatusInfo *i = userdata;
4624 uint32_t u;
4625 int r;
4626
4627 r = sd_bus_message_read(m, "u", &u);
4628 if (r < 0)
4629 return r;
4630
4631 i->main_pid = (pid_t) u;
4632 i->running = u > 0;
4633
4634 return 0;
4635 }
4636
4637 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4638 const char *message, **p = userdata;
4639 int r;
4640
4641 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4642 if (r < 0)
4643 return r;
4644
4645 if (!isempty(message))
4646 *p = message;
4647
4648 return 0;
4649 }
4650
4651 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4652 const char *type, *path;
4653 char ***p = userdata;
4654 int r;
4655
4656 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4657 if (r < 0)
4658 return r;
4659
4660 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4661
4662 r = strv_extend(p, type);
4663 if (r < 0)
4664 return r;
4665
4666 r = strv_extend(p, path);
4667 if (r < 0)
4668 return r;
4669 }
4670 if (r < 0)
4671 return r;
4672
4673 r = sd_bus_message_exit_container(m);
4674 if (r < 0)
4675 return r;
4676
4677 return 0;
4678 }
4679
4680 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4681 UnitStatusInfo *i = userdata;
4682 const char *cond, *param;
4683 int trigger, negate;
4684 int32_t state;
4685 int r;
4686
4687 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4688 if (r < 0)
4689 return r;
4690
4691 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4692 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4693
4694 c = new(UnitCondition, 1);
4695 if (!c)
4696 return -ENOMEM;
4697
4698 *c = (UnitCondition) {
4699 .name = strdup(cond),
4700 .param = strdup(param),
4701 .trigger = trigger,
4702 .negate = negate,
4703 .tristate = state,
4704 };
4705
4706 if (!c->name || !c->param)
4707 return -ENOMEM;
4708
4709 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4710 }
4711 if (r < 0)
4712 return r;
4713
4714 r = sd_bus_message_exit_container(m);
4715 if (r < 0)
4716 return r;
4717
4718 return 0;
4719 }
4720
4721 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4722 UnitStatusInfo *i = userdata;
4723 const char *cond, *param;
4724 int trigger, negate;
4725 int32_t state;
4726 int r;
4727
4728 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4729 if (r < 0)
4730 return r;
4731
4732 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4733 if (state < 0 && (!trigger || !i->failed_assert)) {
4734 i->failed_assert = cond;
4735 i->failed_assert_trigger = trigger;
4736 i->failed_assert_negate = negate;
4737 i->failed_assert_parameter = param;
4738 }
4739 }
4740 if (r < 0)
4741 return r;
4742
4743 r = sd_bus_message_exit_container(m);
4744 if (r < 0)
4745 return r;
4746
4747 return 0;
4748 }
4749
4750 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4751 _cleanup_free_ ExecStatusInfo *info = NULL;
4752 ExecStatusInfo *last;
4753 UnitStatusInfo *i = userdata;
4754 bool is_ex_prop = endswith(member, "Ex");
4755 int r;
4756
4757 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4758 if (r < 0)
4759 return r;
4760
4761 info = new0(ExecStatusInfo, 1);
4762 if (!info)
4763 return -ENOMEM;
4764
4765 LIST_FIND_TAIL(exec, i->exec, last);
4766
4767 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4768
4769 info->name = strdup(member);
4770 if (!info->name)
4771 return -ENOMEM;
4772
4773 LIST_INSERT_AFTER(exec, i->exec, last, info);
4774 last = info;
4775
4776 info = new0(ExecStatusInfo, 1);
4777 if (!info)
4778 return -ENOMEM;
4779 }
4780 if (r < 0)
4781 return r;
4782
4783 r = sd_bus_message_exit_container(m);
4784 if (r < 0)
4785 return r;
4786
4787 return 0;
4788 }
4789
4790 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4791 char bus_type;
4792 const char *contents;
4793 int r;
4794
4795 assert(name);
4796 assert(m);
4797
4798 /* This is a low-level property printer, see
4799 * print_status_info() for the nicer output */
4800
4801 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4802 if (r < 0)
4803 return r;
4804
4805 switch (bus_type) {
4806
4807 case SD_BUS_TYPE_INT32:
4808 if (endswith(name, "ActionExitStatus")) {
4809 int32_t i;
4810
4811 r = sd_bus_message_read_basic(m, bus_type, &i);
4812 if (r < 0)
4813 return r;
4814
4815 if (i >= 0 && i <= 255)
4816 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4817 else if (all)
4818 bus_print_property_value(name, expected_value, value, "[not set]");
4819
4820 return 1;
4821 } else if (streq(name, "NUMAPolicy")) {
4822 int32_t i;
4823
4824 r = sd_bus_message_read_basic(m, bus_type, &i);
4825 if (r < 0)
4826 return r;
4827
4828 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4829
4830 return 1;
4831 }
4832 break;
4833
4834 case SD_BUS_TYPE_STRUCT:
4835
4836 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4837 uint32_t u;
4838
4839 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4840 if (r < 0)
4841 return bus_log_parse_error(r);
4842
4843 if (u > 0)
4844 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4845 else if (all)
4846 bus_print_property_value(name, expected_value, value, "");
4847
4848 return 1;
4849
4850 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4851 const char *s;
4852
4853 r = sd_bus_message_read(m, "(so)", &s, NULL);
4854 if (r < 0)
4855 return bus_log_parse_error(r);
4856
4857 if (all || !isempty(s))
4858 bus_print_property_value(name, expected_value, value, s);
4859
4860 return 1;
4861
4862 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4863 const char *a = NULL, *b = NULL;
4864
4865 r = sd_bus_message_read(m, "(ss)", &a, &b);
4866 if (r < 0)
4867 return bus_log_parse_error(r);
4868
4869 if (!isempty(a) || !isempty(b))
4870 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4871 else if (all)
4872 bus_print_property_value(name, expected_value, value, "");
4873
4874 return 1;
4875
4876 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4877 _cleanup_strv_free_ char **l = NULL;
4878 int whitelist;
4879
4880 r = sd_bus_message_enter_container(m, 'r', "bas");
4881 if (r < 0)
4882 return bus_log_parse_error(r);
4883
4884 r = sd_bus_message_read(m, "b", &whitelist);
4885 if (r < 0)
4886 return bus_log_parse_error(r);
4887
4888 r = sd_bus_message_read_strv(m, &l);
4889 if (r < 0)
4890 return bus_log_parse_error(r);
4891
4892 r = sd_bus_message_exit_container(m);
4893 if (r < 0)
4894 return bus_log_parse_error(r);
4895
4896 if (all || whitelist || !strv_isempty(l)) {
4897 bool first = true;
4898 char **i;
4899
4900 if (!value) {
4901 fputs(name, stdout);
4902 fputc('=', stdout);
4903 }
4904
4905 if (!whitelist)
4906 fputc('~', stdout);
4907
4908 STRV_FOREACH(i, l) {
4909 if (first)
4910 first = false;
4911 else
4912 fputc(' ', stdout);
4913
4914 fputs(*i, stdout);
4915 }
4916 fputc('\n', stdout);
4917 }
4918
4919 return 1;
4920
4921 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4922 int ignore;
4923 const char *s;
4924
4925 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4926 if (r < 0)
4927 return bus_log_parse_error(r);
4928
4929 if (!isempty(s))
4930 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4931 else if (all)
4932 bus_print_property_value(name, expected_value, value, "");
4933
4934 return 1;
4935
4936 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4937 const int32_t *status, *signal;
4938 size_t n_status, n_signal, i;
4939
4940 r = sd_bus_message_enter_container(m, 'r', "aiai");
4941 if (r < 0)
4942 return bus_log_parse_error(r);
4943
4944 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status);
4945 if (r < 0)
4946 return bus_log_parse_error(r);
4947
4948 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal);
4949 if (r < 0)
4950 return bus_log_parse_error(r);
4951
4952 r = sd_bus_message_exit_container(m);
4953 if (r < 0)
4954 return bus_log_parse_error(r);
4955
4956 n_status /= sizeof(int32_t);
4957 n_signal /= sizeof(int32_t);
4958
4959 if (all || n_status > 0 || n_signal > 0) {
4960 bool first = true;
4961
4962 if (!value) {
4963 fputs(name, stdout);
4964 fputc('=', stdout);
4965 }
4966
4967 for (i = 0; i < n_status; i++) {
4968 if (first)
4969 first = false;
4970 else
4971 fputc(' ', stdout);
4972
4973 printf("%"PRIi32, status[i]);
4974 }
4975
4976 for (i = 0; i < n_signal; i++) {
4977 const char *str;
4978
4979 str = signal_to_string((int) signal[i]);
4980
4981 if (first)
4982 first = false;
4983 else
4984 fputc(' ', stdout);
4985
4986 if (str)
4987 fputs(str, stdout);
4988 else
4989 printf("%"PRIi32, status[i]);
4990 }
4991
4992 fputc('\n', stdout);
4993 }
4994 return 1;
4995 }
4996
4997 break;
4998
4999 case SD_BUS_TYPE_ARRAY:
5000
5001 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
5002 const char *path;
5003 int ignore;
5004
5005 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
5006 if (r < 0)
5007 return bus_log_parse_error(r);
5008
5009 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
5010 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
5011
5012 if (r < 0)
5013 return bus_log_parse_error(r);
5014
5015 r = sd_bus_message_exit_container(m);
5016 if (r < 0)
5017 return bus_log_parse_error(r);
5018
5019 return 1;
5020
5021 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
5022 const char *type, *path;
5023
5024 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5025 if (r < 0)
5026 return bus_log_parse_error(r);
5027
5028 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5029 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5030 if (r < 0)
5031 return bus_log_parse_error(r);
5032
5033 r = sd_bus_message_exit_container(m);
5034 if (r < 0)
5035 return bus_log_parse_error(r);
5036
5037 return 1;
5038
5039 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5040 const char *type, *path;
5041
5042 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5043 if (r < 0)
5044 return bus_log_parse_error(r);
5045
5046 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5047 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5048 if (r < 0)
5049 return bus_log_parse_error(r);
5050
5051 r = sd_bus_message_exit_container(m);
5052 if (r < 0)
5053 return bus_log_parse_error(r);
5054
5055 return 1;
5056
5057 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5058 const char *base;
5059 uint64_t v, next_elapse;
5060
5061 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5062 if (r < 0)
5063 return bus_log_parse_error(r);
5064
5065 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5066 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5067
5068 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5069 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5070
5071 bus_print_property_valuef(name, expected_value, value,
5072 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5073 }
5074 if (r < 0)
5075 return bus_log_parse_error(r);
5076
5077 r = sd_bus_message_exit_container(m);
5078 if (r < 0)
5079 return bus_log_parse_error(r);
5080
5081 return 1;
5082
5083 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5084 const char *base, *spec;
5085 uint64_t next_elapse;
5086
5087 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5088 if (r < 0)
5089 return bus_log_parse_error(r);
5090
5091 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5092 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5093
5094 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5095 bus_print_property_valuef(name, expected_value, value,
5096 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5097 }
5098 if (r < 0)
5099 return bus_log_parse_error(r);
5100
5101 r = sd_bus_message_exit_container(m);
5102 if (r < 0)
5103 return bus_log_parse_error(r);
5104
5105 return 1;
5106
5107 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5108 ExecStatusInfo info = {};
5109 bool is_ex_prop = endswith(name, "Ex");
5110
5111 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5112 if (r < 0)
5113 return bus_log_parse_error(r);
5114
5115 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5116 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5117 _cleanup_strv_free_ char **optv = NULL;
5118 _cleanup_free_ char *tt, *o = NULL;
5119
5120 tt = strv_join(info.argv, " ");
5121
5122 if (is_ex_prop) {
5123 r = exec_command_flags_to_strv(info.flags, &optv);
5124 if (r < 0)
5125 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5126
5127 o = strv_join(optv, " ");
5128
5129 bus_print_property_valuef(name, expected_value, value,
5130 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5131 strna(info.path),
5132 strna(tt),
5133 strna(o),
5134 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5135 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5136 info.pid,
5137 sigchld_code_to_string(info.code),
5138 info.status,
5139 info.code == CLD_EXITED ? "" : "/",
5140 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5141 } else
5142 bus_print_property_valuef(name, expected_value, value,
5143 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5144 strna(info.path),
5145 strna(tt),
5146 yes_no(info.ignore),
5147 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5148 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5149 info.pid,
5150 sigchld_code_to_string(info.code),
5151 info.status,
5152 info.code == CLD_EXITED ? "" : "/",
5153 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5154
5155 free(info.path);
5156 strv_free(info.argv);
5157 zero(info);
5158 }
5159
5160 r = sd_bus_message_exit_container(m);
5161 if (r < 0)
5162 return bus_log_parse_error(r);
5163
5164 return 1;
5165
5166 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5167 const char *path, *rwm;
5168
5169 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5170 if (r < 0)
5171 return bus_log_parse_error(r);
5172
5173 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5174 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5175 if (r < 0)
5176 return bus_log_parse_error(r);
5177
5178 r = sd_bus_message_exit_container(m);
5179 if (r < 0)
5180 return bus_log_parse_error(r);
5181
5182 return 1;
5183
5184 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5185 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5186 const char *path;
5187 uint64_t weight;
5188
5189 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5190 if (r < 0)
5191 return bus_log_parse_error(r);
5192
5193 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5194 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5195 if (r < 0)
5196 return bus_log_parse_error(r);
5197
5198 r = sd_bus_message_exit_container(m);
5199 if (r < 0)
5200 return bus_log_parse_error(r);
5201
5202 return 1;
5203
5204 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5205 (cgroup_io_limit_type_from_string(name) >= 0 ||
5206 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5207 const char *path;
5208 uint64_t bandwidth;
5209
5210 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5211 if (r < 0)
5212 return bus_log_parse_error(r);
5213
5214 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5215 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5216 if (r < 0)
5217 return bus_log_parse_error(r);
5218
5219 r = sd_bus_message_exit_container(m);
5220 if (r < 0)
5221 return bus_log_parse_error(r);
5222
5223 return 1;
5224
5225 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5226 streq(name, "IODeviceLatencyTargetUSec")) {
5227 char ts[FORMAT_TIMESPAN_MAX];
5228 const char *path;
5229 uint64_t target;
5230
5231 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5232 if (r < 0)
5233 return bus_log_parse_error(r);
5234
5235 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5236 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5237 format_timespan(ts, sizeof(ts), target, 1));
5238 if (r < 0)
5239 return bus_log_parse_error(r);
5240
5241 r = sd_bus_message_exit_container(m);
5242 if (r < 0)
5243 return bus_log_parse_error(r);
5244
5245 return 1;
5246
5247 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5248 _cleanup_free_ char *h = NULL;
5249 const void *p;
5250 size_t sz;
5251 ssize_t n;
5252
5253 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5254 if (r < 0)
5255 return bus_log_parse_error(r);
5256
5257 n = base64mem(p, sz, &h);
5258 if (n < 0)
5259 return log_oom();
5260
5261 bus_print_property_value(name, expected_value, value, h);
5262
5263 return 1;
5264
5265 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5266 _cleanup_free_ char *addresses = NULL;
5267
5268 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5269 if (r < 0)
5270 return bus_log_parse_error(r);
5271
5272 for (;;) {
5273 _cleanup_free_ char *str = NULL;
5274 uint32_t prefixlen;
5275 int32_t family;
5276 const void *ap;
5277 size_t an;
5278
5279 r = sd_bus_message_enter_container(m, 'r', "iayu");
5280 if (r < 0)
5281 return bus_log_parse_error(r);
5282 if (r == 0)
5283 break;
5284
5285 r = sd_bus_message_read(m, "i", &family);
5286 if (r < 0)
5287 return bus_log_parse_error(r);
5288
5289 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5290 if (r < 0)
5291 return bus_log_parse_error(r);
5292
5293 r = sd_bus_message_read(m, "u", &prefixlen);
5294 if (r < 0)
5295 return bus_log_parse_error(r);
5296
5297 r = sd_bus_message_exit_container(m);
5298 if (r < 0)
5299 return bus_log_parse_error(r);
5300
5301 if (!IN_SET(family, AF_INET, AF_INET6))
5302 continue;
5303
5304 if (an != FAMILY_ADDRESS_SIZE(family))
5305 continue;
5306
5307 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5308 continue;
5309
5310 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5311 continue;
5312
5313 if (!strextend_with_separator(&addresses, " ", str, NULL))
5314 return log_oom();
5315 }
5316
5317 r = sd_bus_message_exit_container(m);
5318 if (r < 0)
5319 return bus_log_parse_error(r);
5320
5321 if (all || !isempty(addresses))
5322 bus_print_property_value(name, expected_value, value, strempty(addresses));
5323
5324 return 1;
5325
5326 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5327 _cleanup_free_ char *paths = NULL;
5328 const char *source, *dest;
5329 int ignore_enoent;
5330 uint64_t rbind;
5331
5332 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5333 if (r < 0)
5334 return bus_log_parse_error(r);
5335
5336 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5337 _cleanup_free_ char *str = NULL;
5338
5339 if (isempty(source))
5340 continue;
5341
5342 if (asprintf(&str, "%s%s%s%s%s",
5343 ignore_enoent ? "-" : "",
5344 source,
5345 isempty(dest) ? "" : ":",
5346 strempty(dest),
5347 rbind == MS_REC ? ":rbind" : "") < 0)
5348 return log_oom();
5349
5350 if (!strextend_with_separator(&paths, " ", str, NULL))
5351 return log_oom();
5352 }
5353 if (r < 0)
5354 return bus_log_parse_error(r);
5355
5356 r = sd_bus_message_exit_container(m);
5357 if (r < 0)
5358 return bus_log_parse_error(r);
5359
5360 if (all || !isempty(paths))
5361 bus_print_property_value(name, expected_value, value, strempty(paths));
5362
5363 return 1;
5364
5365 } else if (streq(name, "TemporaryFileSystem")) {
5366 _cleanup_free_ char *paths = NULL;
5367 const char *target, *option;
5368
5369 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5370 if (r < 0)
5371 return bus_log_parse_error(r);
5372
5373 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5374 _cleanup_free_ char *str = NULL;
5375
5376 if (isempty(target))
5377 continue;
5378
5379 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5380 return log_oom();
5381
5382 if (!strextend_with_separator(&paths, " ", str, NULL))
5383 return log_oom();
5384 }
5385 if (r < 0)
5386 return bus_log_parse_error(r);
5387
5388 r = sd_bus_message_exit_container(m);
5389 if (r < 0)
5390 return bus_log_parse_error(r);
5391
5392 if (all || !isempty(paths))
5393 bus_print_property_value(name, expected_value, value, strempty(paths));
5394
5395 return 1;
5396
5397 } else if (streq(name, "LogExtraFields")) {
5398 _cleanup_free_ char *fields = NULL;
5399 const void *p;
5400 size_t sz;
5401
5402 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5403 if (r < 0)
5404 return bus_log_parse_error(r);
5405
5406 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5407 _cleanup_free_ char *str = NULL;
5408 const char *eq;
5409
5410 if (memchr(p, 0, sz))
5411 continue;
5412
5413 eq = memchr(p, '=', sz);
5414 if (!eq)
5415 continue;
5416
5417 if (!journal_field_valid(p, eq - (const char*) p, false))
5418 continue;
5419
5420 str = malloc(sz + 1);
5421 if (!str)
5422 return log_oom();
5423
5424 memcpy(str, p, sz);
5425 str[sz] = '\0';
5426
5427 if (!utf8_is_valid(str))
5428 continue;
5429
5430 if (!strextend_with_separator(&fields, " ", str, NULL))
5431 return log_oom();
5432 }
5433 if (r < 0)
5434 return bus_log_parse_error(r);
5435
5436 r = sd_bus_message_exit_container(m);
5437 if (r < 0)
5438 return bus_log_parse_error(r);
5439
5440 if (all || !isempty(fields))
5441 bus_print_property_value(name, expected_value, value, strempty(fields));
5442
5443 return 1;
5444 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask", "AllowedCPUs", "AllowedMemoryNodes", "EffectiveCPUs", "EffectiveMemoryNodes")) {
5445 _cleanup_free_ char *affinity = NULL;
5446 _cleanup_(cpu_set_reset) CPUSet set = {};
5447 const void *a;
5448 size_t n;
5449
5450 r = sd_bus_message_read_array(m, 'y', &a, &n);
5451 if (r < 0)
5452 return bus_log_parse_error(r);
5453
5454 r = cpu_set_from_dbus(a, n, &set);
5455 if (r < 0)
5456 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5457
5458 affinity = cpu_set_to_range_string(&set);
5459 if (!affinity)
5460 return log_oom();
5461
5462 bus_print_property_value(name, expected_value, value, affinity);
5463
5464 return 1;
5465 }
5466
5467 break;
5468 }
5469
5470 return 0;
5471 }
5472
5473 typedef enum SystemctlShowMode{
5474 SYSTEMCTL_SHOW_PROPERTIES,
5475 SYSTEMCTL_SHOW_STATUS,
5476 SYSTEMCTL_SHOW_HELP,
5477 _SYSTEMCTL_SHOW_MODE_MAX,
5478 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5479 } SystemctlShowMode;
5480
5481 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5482 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5483 [SYSTEMCTL_SHOW_STATUS] = "status",
5484 [SYSTEMCTL_SHOW_HELP] = "help",
5485 };
5486
5487 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5488
5489 static int show_one(
5490 sd_bus *bus,
5491 const char *path,
5492 const char *unit,
5493 SystemctlShowMode show_mode,
5494 bool *new_line,
5495 bool *ellipsized) {
5496
5497 static const struct bus_properties_map property_map[] = {
5498 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5499 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5500 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5501 {}
5502 }, status_map[] = {
5503 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5504 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5505 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5506 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5507 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5508 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5509 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5510 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5511 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5512 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5513 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5514 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5515 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5516 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5517 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5518 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5519 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5520 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5521 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5522 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5523 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5524 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5525 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5526 { "MainPID", "u", map_main_pid, 0 },
5527 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5528 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5529 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5530 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5531 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5532 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5533 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5534 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5535 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5536 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5537 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5538 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5539 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5540 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5541 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5542 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5543 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5544 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5545 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5546 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5547 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5548 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5549 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5550 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5551 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5552 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5553 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5554 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5555 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5556 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5557 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5558 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5559 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5560 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5561 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5562 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5563 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5564 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5565 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5566 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5567 { "ExecCondition", "a(sasbttttuii)", map_exec, 0 },
5568 { "ExecConditionEx", "a(sasasttttuii)", map_exec, 0 },
5569 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5570 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5571 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5572 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5573 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5574 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5575 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5576 { "ExecReloadEx", "a(sasasttttuii)", map_exec, 0 },
5577 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5578 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5579 { "ExecStopEx", "a(sasasttttuii)", map_exec, 0 },
5580 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5581 { "ExecStopPostEx", "a(sasasttttuii)", map_exec, 0 },
5582 {}
5583 };
5584
5585 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5586 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5587 _cleanup_set_free_ Set *found_properties = NULL;
5588 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5589 .memory_current = (uint64_t) -1,
5590 .memory_high = CGROUP_LIMIT_MAX,
5591 .memory_max = CGROUP_LIMIT_MAX,
5592 .memory_swap_max = CGROUP_LIMIT_MAX,
5593 .memory_limit = (uint64_t) -1,
5594 .cpu_usage_nsec = (uint64_t) -1,
5595 .tasks_current = (uint64_t) -1,
5596 .tasks_max = (uint64_t) -1,
5597 .ip_ingress_bytes = (uint64_t) -1,
5598 .ip_egress_bytes = (uint64_t) -1,
5599 .io_read_bytes = UINT64_MAX,
5600 .io_write_bytes = UINT64_MAX,
5601 };
5602 char **pp;
5603 int r;
5604
5605 assert(path);
5606 assert(new_line);
5607
5608 log_debug("Showing one %s", path);
5609
5610 r = bus_map_all_properties(
5611 bus,
5612 "org.freedesktop.systemd1",
5613 path,
5614 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5615 BUS_MAP_BOOLEAN_AS_BOOL,
5616 &error,
5617 &reply,
5618 &info);
5619 if (r < 0)
5620 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5621
5622 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5623 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5624 "Unit %s could not be found.", unit);
5625
5626 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5627 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5628 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5629 return -ENOENT;
5630 }
5631
5632 if (*new_line)
5633 printf("\n");
5634
5635 *new_line = true;
5636
5637 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5638 print_status_info(bus, &info, ellipsized);
5639
5640 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5641 return EXIT_PROGRAM_NOT_RUNNING;
5642
5643 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5644
5645 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5646 show_unit_help(&info);
5647 return 0;
5648 }
5649
5650 r = sd_bus_message_rewind(reply, true);
5651 if (r < 0)
5652 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5653
5654 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5655 if (r < 0)
5656 return bus_log_parse_error(r);
5657
5658 STRV_FOREACH(pp, arg_properties)
5659 if (!set_contains(found_properties, *pp))
5660 log_debug("Property %s does not exist.", *pp);
5661
5662 return 0;
5663 }
5664
5665 static int get_unit_dbus_path_by_pid(
5666 sd_bus *bus,
5667 uint32_t pid,
5668 char **unit) {
5669
5670 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5671 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5672 char *u;
5673 int r;
5674
5675 r = sd_bus_call_method(
5676 bus,
5677 "org.freedesktop.systemd1",
5678 "/org/freedesktop/systemd1",
5679 "org.freedesktop.systemd1.Manager",
5680 "GetUnitByPID",
5681 &error,
5682 &reply,
5683 "u", pid);
5684 if (r < 0)
5685 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5686
5687 r = sd_bus_message_read(reply, "o", &u);
5688 if (r < 0)
5689 return bus_log_parse_error(r);
5690
5691 u = strdup(u);
5692 if (!u)
5693 return log_oom();
5694
5695 *unit = u;
5696 return 0;
5697 }
5698
5699 static int show_all(
5700 sd_bus *bus,
5701 bool *new_line,
5702 bool *ellipsized) {
5703
5704 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5705 _cleanup_free_ UnitInfo *unit_infos = NULL;
5706 const UnitInfo *u;
5707 unsigned c;
5708 int r, ret = 0;
5709
5710 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5711 if (r < 0)
5712 return r;
5713
5714 (void) pager_open(arg_pager_flags);
5715
5716 c = (unsigned) r;
5717
5718 typesafe_qsort(unit_infos, c, compare_unit_info);
5719
5720 for (u = unit_infos; u < unit_infos + c; u++) {
5721 _cleanup_free_ char *p = NULL;
5722
5723 p = unit_dbus_path_from_name(u->id);
5724 if (!p)
5725 return log_oom();
5726
5727 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5728 if (r < 0)
5729 return r;
5730 else if (r > 0 && ret == 0)
5731 ret = r;
5732 }
5733
5734 return ret;
5735 }
5736
5737 static int show_system_status(sd_bus *bus) {
5738 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5739 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5740 _cleanup_(machine_info_clear) struct machine_info mi = {};
5741 _cleanup_free_ char *hn = NULL;
5742 const char *on, *off;
5743 int r;
5744
5745 hn = gethostname_malloc();
5746 if (!hn)
5747 return log_oom();
5748
5749 r = bus_map_all_properties(
5750 bus,
5751 "org.freedesktop.systemd1",
5752 "/org/freedesktop/systemd1",
5753 machine_info_property_map,
5754 BUS_MAP_STRDUP,
5755 &error,
5756 NULL,
5757 &mi);
5758 if (r < 0)
5759 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5760
5761 if (streq_ptr(mi.state, "degraded")) {
5762 on = ansi_highlight_red();
5763 off = ansi_normal();
5764 } else if (streq_ptr(mi.state, "running")) {
5765 on = ansi_highlight_green();
5766 off = ansi_normal();
5767 } else {
5768 on = ansi_highlight_yellow();
5769 off = ansi_normal();
5770 }
5771
5772 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5773
5774 printf(" State: %s%s%s\n",
5775 on, strna(mi.state), off);
5776
5777 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5778 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5779
5780 printf(" Since: %s; %s\n",
5781 format_timestamp(since2, sizeof(since2), mi.timestamp),
5782 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5783
5784 printf(" CGroup: %s\n", mi.control_group ?: "/");
5785 if (IN_SET(arg_transport,
5786 BUS_TRANSPORT_LOCAL,
5787 BUS_TRANSPORT_MACHINE)) {
5788 static const char prefix[] = " ";
5789 unsigned c;
5790
5791 c = columns();
5792 if (c > sizeof(prefix) - 1)
5793 c -= sizeof(prefix) - 1;
5794 else
5795 c = 0;
5796
5797 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5798 }
5799
5800 return 0;
5801 }
5802
5803 static int show(int argc, char *argv[], void *userdata) {
5804 bool new_line = false, ellipsized = false;
5805 SystemctlShowMode show_mode;
5806 int r, ret = 0;
5807 sd_bus *bus;
5808
5809 assert(argv);
5810
5811 show_mode = systemctl_show_mode_from_string(argv[0]);
5812 if (show_mode < 0)
5813 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5814 "Invalid argument.");
5815
5816 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5817 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5818 "This command expects one or more unit names. Did you mean --help?");
5819
5820 r = acquire_bus(BUS_MANAGER, &bus);
5821 if (r < 0)
5822 return r;
5823
5824 (void) pager_open(arg_pager_flags);
5825
5826 /* If no argument is specified inspect the manager itself */
5827 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5828 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5829
5830 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5831
5832 show_system_status(bus);
5833 new_line = true;
5834
5835 if (arg_all)
5836 ret = show_all(bus, &new_line, &ellipsized);
5837 } else {
5838 _cleanup_free_ char **patterns = NULL;
5839 char **name;
5840
5841 STRV_FOREACH(name, strv_skip(argv, 1)) {
5842 _cleanup_free_ char *path = NULL, *unit = NULL;
5843 uint32_t id;
5844
5845 if (safe_atou32(*name, &id) < 0) {
5846 if (strv_push(&patterns, *name) < 0)
5847 return log_oom();
5848
5849 continue;
5850 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5851 /* Interpret as job id */
5852 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5853 return log_oom();
5854
5855 } else {
5856 /* Interpret as PID */
5857 r = get_unit_dbus_path_by_pid(bus, id, &path);
5858 if (r < 0) {
5859 ret = r;
5860 continue;
5861 }
5862
5863 r = unit_name_from_dbus_path(path, &unit);
5864 if (r < 0)
5865 return log_oom();
5866 }
5867
5868 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5869 if (r < 0)
5870 return r;
5871 else if (r > 0 && ret == 0)
5872 ret = r;
5873 }
5874
5875 if (!strv_isempty(patterns)) {
5876 _cleanup_strv_free_ char **names = NULL;
5877
5878 r = expand_names(bus, patterns, NULL, &names, NULL);
5879 if (r < 0)
5880 return log_error_errno(r, "Failed to expand names: %m");
5881
5882 STRV_FOREACH(name, names) {
5883 _cleanup_free_ char *path;
5884
5885 path = unit_dbus_path_from_name(*name);
5886 if (!path)
5887 return log_oom();
5888
5889 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5890 if (r < 0)
5891 return r;
5892 if (r > 0 && ret == 0)
5893 ret = r;
5894 }
5895 }
5896 }
5897
5898 if (ellipsized && !arg_quiet)
5899 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5900
5901 return ret;
5902 }
5903
5904 static int cat(int argc, char *argv[], void *userdata) {
5905 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5906 _cleanup_strv_free_ char **names = NULL;
5907 char **name;
5908 sd_bus *bus;
5909 bool first = true;
5910 int r;
5911
5912 /* Include all units by default — i.e. continue as if the --all
5913 * option was used */
5914 if (strv_isempty(arg_states))
5915 arg_all = true;
5916
5917 if (arg_transport != BUS_TRANSPORT_LOCAL)
5918 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5919
5920 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5921 if (r < 0)
5922 return log_error_errno(r, "Failed to determine unit paths: %m");
5923
5924 r = acquire_bus(BUS_MANAGER, &bus);
5925 if (r < 0)
5926 return r;
5927
5928 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
5929 if (r < 0)
5930 return log_error_errno(r, "Failed to expand names: %m");
5931
5932 (void) pager_open(arg_pager_flags);
5933
5934 STRV_FOREACH(name, names) {
5935 _cleanup_free_ char *fragment_path = NULL;
5936 _cleanup_strv_free_ char **dropin_paths = NULL;
5937
5938 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5939 if (r == -ERFKILL) {
5940 printf("%s# Unit %s is masked%s.\n",
5941 ansi_highlight_magenta(),
5942 *name,
5943 ansi_normal());
5944 continue;
5945 }
5946 if (r == -EKEYREJECTED) {
5947 printf("%s# Unit %s could not be loaded.%s\n",
5948 ansi_highlight_magenta(),
5949 *name,
5950 ansi_normal());
5951 continue;
5952 }
5953 if (r < 0)
5954 return r;
5955 if (r == 0)
5956 return -ENOENT;
5957
5958 if (first)
5959 first = false;
5960 else
5961 puts("");
5962
5963 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5964 fprintf(stderr,
5965 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5966 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5967 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5968 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5969 ansi_highlight_red(),
5970 *name,
5971 ansi_highlight_red(),
5972 ansi_highlight_red(),
5973 ansi_highlight_red(),
5974 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5975 ansi_normal());
5976
5977 r = cat_files(fragment_path, dropin_paths, 0);
5978 if (r < 0)
5979 return r;
5980 }
5981
5982 return 0;
5983 }
5984
5985 static int set_property(int argc, char *argv[], void *userdata) {
5986 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5987 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5988 _cleanup_free_ char *n = NULL;
5989 UnitType t;
5990 sd_bus *bus;
5991 int r;
5992
5993 r = acquire_bus(BUS_MANAGER, &bus);
5994 if (r < 0)
5995 return r;
5996
5997 polkit_agent_open_maybe();
5998
5999 r = sd_bus_message_new_method_call(
6000 bus,
6001 &m,
6002 "org.freedesktop.systemd1",
6003 "/org/freedesktop/systemd1",
6004 "org.freedesktop.systemd1.Manager",
6005 "SetUnitProperties");
6006 if (r < 0)
6007 return bus_log_create_error(r);
6008
6009 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
6010 if (r < 0)
6011 return log_error_errno(r, "Failed to mangle unit name: %m");
6012
6013 t = unit_name_to_type(n);
6014 if (t < 0)
6015 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
6016
6017 r = sd_bus_message_append(m, "sb", n, arg_runtime);
6018 if (r < 0)
6019 return bus_log_create_error(r);
6020
6021 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
6022 if (r < 0)
6023 return bus_log_create_error(r);
6024
6025 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
6026 if (r < 0)
6027 return r;
6028
6029 r = sd_bus_message_close_container(m);
6030 if (r < 0)
6031 return bus_log_create_error(r);
6032
6033 r = sd_bus_call(bus, m, 0, &error, NULL);
6034 if (r < 0)
6035 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
6036
6037 return 0;
6038 }
6039
6040 static int daemon_reload(int argc, char *argv[], void *userdata) {
6041 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6042 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6043 const char *method;
6044 sd_bus *bus;
6045 int r;
6046
6047 r = acquire_bus(BUS_MANAGER, &bus);
6048 if (r < 0)
6049 return r;
6050
6051 polkit_agent_open_maybe();
6052
6053 switch (arg_action) {
6054
6055 case ACTION_RELOAD:
6056 method = "Reload";
6057 break;
6058
6059 case ACTION_REEXEC:
6060 method = "Reexecute";
6061 break;
6062
6063 case ACTION_SYSTEMCTL:
6064 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6065 /* "daemon-reload" */ "Reload";
6066 break;
6067
6068 default:
6069 assert_not_reached("Unexpected action");
6070 }
6071
6072 r = sd_bus_message_new_method_call(
6073 bus,
6074 &m,
6075 "org.freedesktop.systemd1",
6076 "/org/freedesktop/systemd1",
6077 "org.freedesktop.systemd1.Manager",
6078 method);
6079 if (r < 0)
6080 return bus_log_create_error(r);
6081
6082 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6083 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6084 * their timeout, and for everything else there's the same time budget in place. */
6085
6086 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6087
6088 /* On reexecution, we expect a disconnect, not a reply */
6089 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6090 r = 0;
6091
6092 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6093 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6094
6095 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6096 * old ways of doing things, hence don't log any error in that case here. */
6097
6098 return r < 0 ? r : 0;
6099 }
6100
6101 static int trivial_method(int argc, char *argv[], void *userdata) {
6102 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6103 const char *method;
6104 sd_bus *bus;
6105 int r;
6106
6107 if (arg_dry_run)
6108 return 0;
6109
6110 r = acquire_bus(BUS_MANAGER, &bus);
6111 if (r < 0)
6112 return r;
6113
6114 polkit_agent_open_maybe();
6115
6116 method =
6117 streq(argv[0], "clear-jobs") ||
6118 streq(argv[0], "cancel") ? "ClearJobs" :
6119 streq(argv[0], "reset-failed") ? "ResetFailed" :
6120 streq(argv[0], "halt") ? "Halt" :
6121 streq(argv[0], "reboot") ? "Reboot" :
6122 streq(argv[0], "kexec") ? "KExec" :
6123 streq(argv[0], "exit") ? "Exit" :
6124 /* poweroff */ "PowerOff";
6125
6126 r = sd_bus_call_method(
6127 bus,
6128 "org.freedesktop.systemd1",
6129 "/org/freedesktop/systemd1",
6130 "org.freedesktop.systemd1.Manager",
6131 method,
6132 &error,
6133 NULL,
6134 NULL);
6135 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6136 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6137
6138 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6139 * old ways of doing things, hence don't log any error in that case here. */
6140
6141 return r < 0 ? r : 0;
6142 }
6143
6144 static int reset_failed(int argc, char *argv[], void *userdata) {
6145 _cleanup_strv_free_ char **names = NULL;
6146 sd_bus *bus;
6147 char **name;
6148 int r, q;
6149
6150 if (argc <= 1)
6151 return trivial_method(argc, argv, userdata);
6152
6153 r = acquire_bus(BUS_MANAGER, &bus);
6154 if (r < 0)
6155 return r;
6156
6157 polkit_agent_open_maybe();
6158
6159 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
6160 if (r < 0)
6161 return log_error_errno(r, "Failed to expand names: %m");
6162
6163 STRV_FOREACH(name, names) {
6164 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6165
6166 q = sd_bus_call_method(
6167 bus,
6168 "org.freedesktop.systemd1",
6169 "/org/freedesktop/systemd1",
6170 "org.freedesktop.systemd1.Manager",
6171 "ResetFailedUnit",
6172 &error,
6173 NULL,
6174 "s", *name);
6175 if (q < 0) {
6176 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6177 if (r == 0)
6178 r = q;
6179 }
6180 }
6181
6182 return r;
6183 }
6184
6185 static int print_variable(const char *s) {
6186 const char *sep;
6187 _cleanup_free_ char *esc = NULL;
6188
6189 sep = strchr(s, '=');
6190 if (!sep)
6191 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6192 "Invalid environment block");
6193
6194 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6195 if (!esc)
6196 return log_oom();
6197
6198 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6199 return 0;
6200 }
6201
6202 static int show_environment(int argc, char *argv[], void *userdata) {
6203 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6204 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6205 const char *text;
6206 sd_bus *bus;
6207 int r;
6208
6209 r = acquire_bus(BUS_MANAGER, &bus);
6210 if (r < 0)
6211 return r;
6212
6213 (void) pager_open(arg_pager_flags);
6214
6215 r = sd_bus_get_property(
6216 bus,
6217 "org.freedesktop.systemd1",
6218 "/org/freedesktop/systemd1",
6219 "org.freedesktop.systemd1.Manager",
6220 "Environment",
6221 &error,
6222 &reply,
6223 "as");
6224 if (r < 0)
6225 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6226
6227 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6228 if (r < 0)
6229 return bus_log_parse_error(r);
6230
6231 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6232 r = print_variable(text);
6233 if (r < 0)
6234 return r;
6235 }
6236 if (r < 0)
6237 return bus_log_parse_error(r);
6238
6239 r = sd_bus_message_exit_container(reply);
6240 if (r < 0)
6241 return bus_log_parse_error(r);
6242
6243 return 0;
6244 }
6245
6246 static int switch_root(int argc, char *argv[], void *userdata) {
6247 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6248 _cleanup_free_ char *cmdline_init = NULL;
6249 const char *root, *init;
6250 sd_bus *bus;
6251 int r;
6252
6253 if (arg_transport != BUS_TRANSPORT_LOCAL)
6254 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6255
6256 if (argc < 2 || argc > 3)
6257 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6258
6259 root = argv[1];
6260
6261 if (argc >= 3)
6262 init = argv[2];
6263 else {
6264 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6265 if (r < 0)
6266 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6267
6268 init = cmdline_init;
6269 }
6270
6271 init = empty_to_null(init);
6272 if (init) {
6273 const char *root_systemd_path = NULL, *root_init_path = NULL;
6274
6275 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6276 root_init_path = prefix_roota(root, init);
6277
6278 /* If the passed init is actually the same as the
6279 * systemd binary, then let's suppress it. */
6280 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6281 init = NULL;
6282 }
6283
6284 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6285 * would exit with a failure status even though the switch to the new root has succeed. */
6286 assert(saved_argv);
6287 assert(saved_argv[0]);
6288 saved_argv[0][0] = '@';
6289
6290 r = acquire_bus(BUS_MANAGER, &bus);
6291 if (r < 0)
6292 return r;
6293
6294 /* If we are slow to exit after the root switch, the new systemd instance
6295 * will send us a signal to terminate. Just ignore it and exit normally.
6296 * This way the unit does not end up as failed.
6297 */
6298 r = ignore_signals(SIGTERM, -1);
6299 if (r < 0)
6300 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6301
6302 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6303
6304 r = sd_bus_call_method(
6305 bus,
6306 "org.freedesktop.systemd1",
6307 "/org/freedesktop/systemd1",
6308 "org.freedesktop.systemd1.Manager",
6309 "SwitchRoot",
6310 &error,
6311 NULL,
6312 "ss", root, init);
6313 if (r < 0) {
6314 (void) default_signals(SIGTERM, -1);
6315
6316 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6317 }
6318
6319 return 0;
6320 }
6321
6322 static int set_environment(int argc, char *argv[], void *userdata) {
6323 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6324 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6325 const char *method;
6326 sd_bus *bus;
6327 int r;
6328
6329 assert(argc > 1);
6330 assert(argv);
6331
6332 r = acquire_bus(BUS_MANAGER, &bus);
6333 if (r < 0)
6334 return r;
6335
6336 polkit_agent_open_maybe();
6337
6338 method = streq(argv[0], "set-environment")
6339 ? "SetEnvironment"
6340 : "UnsetEnvironment";
6341
6342 r = sd_bus_message_new_method_call(
6343 bus,
6344 &m,
6345 "org.freedesktop.systemd1",
6346 "/org/freedesktop/systemd1",
6347 "org.freedesktop.systemd1.Manager",
6348 method);
6349 if (r < 0)
6350 return bus_log_create_error(r);
6351
6352 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6353 if (r < 0)
6354 return bus_log_create_error(r);
6355
6356 r = sd_bus_call(bus, m, 0, &error, NULL);
6357 if (r < 0)
6358 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6359
6360 return 0;
6361 }
6362
6363 static int import_environment(int argc, char *argv[], void *userdata) {
6364 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6365 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6366 sd_bus *bus;
6367 int r;
6368
6369 r = acquire_bus(BUS_MANAGER, &bus);
6370 if (r < 0)
6371 return r;
6372
6373 polkit_agent_open_maybe();
6374
6375 r = sd_bus_message_new_method_call(
6376 bus,
6377 &m,
6378 "org.freedesktop.systemd1",
6379 "/org/freedesktop/systemd1",
6380 "org.freedesktop.systemd1.Manager",
6381 "SetEnvironment");
6382 if (r < 0)
6383 return bus_log_create_error(r);
6384
6385 if (argc < 2)
6386 r = sd_bus_message_append_strv(m, environ);
6387 else {
6388 char **a, **b;
6389
6390 r = sd_bus_message_open_container(m, 'a', "s");
6391 if (r < 0)
6392 return bus_log_create_error(r);
6393
6394 STRV_FOREACH(a, strv_skip(argv, 1)) {
6395
6396 if (!env_name_is_valid(*a))
6397 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6398
6399 STRV_FOREACH(b, environ) {
6400 const char *eq;
6401
6402 eq = startswith(*b, *a);
6403 if (eq && *eq == '=') {
6404
6405 r = sd_bus_message_append(m, "s", *b);
6406 if (r < 0)
6407 return bus_log_create_error(r);
6408
6409 break;
6410 }
6411 }
6412 }
6413
6414 r = sd_bus_message_close_container(m);
6415 }
6416 if (r < 0)
6417 return bus_log_create_error(r);
6418
6419 r = sd_bus_call(bus, m, 0, &error, NULL);
6420 if (r < 0)
6421 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6422
6423 return 0;
6424 }
6425
6426 static int enable_sysv_units(const char *verb, char **args) {
6427 int r = 0;
6428
6429 #if HAVE_SYSV_COMPAT
6430 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6431 unsigned f = 0;
6432
6433 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6434
6435 if (arg_scope != UNIT_FILE_SYSTEM)
6436 return 0;
6437
6438 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6439 return 0;
6440
6441 if (!STR_IN_SET(verb,
6442 "enable",
6443 "disable",
6444 "is-enabled"))
6445 return 0;
6446
6447 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6448 if (r < 0)
6449 return r;
6450
6451 r = 0;
6452 while (args[f]) {
6453
6454 const char *argv[] = {
6455 ROOTLIBEXECDIR "/systemd-sysv-install",
6456 NULL, /* --root= */
6457 NULL, /* verb */
6458 NULL, /* service */
6459 NULL,
6460 };
6461
6462 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6463 bool found_native = false, found_sysv;
6464 const char *name;
6465 unsigned c = 1;
6466 pid_t pid;
6467 int j;
6468
6469 name = args[f++];
6470
6471 if (!endswith(name, ".service"))
6472 continue;
6473
6474 if (path_is_absolute(name))
6475 continue;
6476
6477 j = unit_file_exists(arg_scope, &paths, name);
6478 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6479 return log_error_errno(j, "Failed to lookup unit file state: %m");
6480 found_native = j != 0;
6481
6482 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6483 * prefer the native unit */
6484 if (found_native && streq(verb, "is-enabled"))
6485 continue;
6486
6487 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6488 if (!p)
6489 return log_oom();
6490
6491 p[strlen(p) - STRLEN(".service")] = 0;
6492 found_sysv = access(p, F_OK) >= 0;
6493 if (!found_sysv)
6494 continue;
6495
6496 if (!arg_quiet) {
6497 if (found_native)
6498 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6499 else
6500 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6501 }
6502
6503 if (!isempty(arg_root)) {
6504 q = strjoin("--root=", arg_root);
6505 if (!q)
6506 return log_oom();
6507
6508 argv[c++] = q;
6509 }
6510
6511 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6512 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6513 v = strdup(verb);
6514 if (!v)
6515 return log_oom();
6516
6517 argv[c++] = v;
6518 argv[c++] = basename(p);
6519 argv[c] = NULL;
6520
6521 l = strv_join((char**)argv, " ");
6522 if (!l)
6523 return log_oom();
6524
6525 if (!arg_quiet)
6526 log_info("Executing: %s", l);
6527
6528 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6529 if (j < 0)
6530 return j;
6531 if (j == 0) {
6532 /* Child */
6533 execv(argv[0], (char**) argv);
6534 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6535 _exit(EXIT_FAILURE);
6536 }
6537
6538 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6539 if (j < 0)
6540 return j;
6541 if (streq(verb, "is-enabled")) {
6542 if (j == EXIT_SUCCESS) {
6543 if (!arg_quiet)
6544 puts("enabled");
6545 r = 1;
6546 } else {
6547 if (!arg_quiet)
6548 puts("disabled");
6549 }
6550
6551 } else if (j != EXIT_SUCCESS)
6552 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6553
6554 if (found_native)
6555 continue;
6556
6557 /* Remove this entry, so that we don't try enabling it as native unit */
6558 assert(f > 0);
6559 f--;
6560 assert(args[f] == name);
6561 strv_remove(args + f, name);
6562 }
6563
6564 #endif
6565 return r;
6566 }
6567
6568 static int mangle_names(char **original_names, char ***mangled_names) {
6569 char **i, **l, **name;
6570 int r;
6571
6572 l = i = new(char*, strv_length(original_names) + 1);
6573 if (!l)
6574 return log_oom();
6575
6576 STRV_FOREACH(name, original_names) {
6577
6578 /* When enabling units qualified path names are OK,
6579 * too, hence allow them explicitly. */
6580
6581 if (is_path(*name)) {
6582 *i = strdup(*name);
6583 if (!*i) {
6584 strv_free(l);
6585 return log_oom();
6586 }
6587 } else {
6588 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6589 if (r < 0) {
6590 *i = NULL;
6591 strv_free(l);
6592 return log_error_errno(r, "Failed to mangle unit name: %m");
6593 }
6594 }
6595
6596 i++;
6597 }
6598
6599 *i = NULL;
6600 *mangled_names = l;
6601
6602 return 0;
6603 }
6604
6605 static int normalize_filenames(char **names) {
6606 char **u;
6607 int r;
6608
6609 STRV_FOREACH(u, names)
6610 if (!path_is_absolute(*u)) {
6611 char* normalized_path;
6612
6613 if (!isempty(arg_root))
6614 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6615 "Non-absolute paths are not allowed when --root is used: %s",
6616 *u);
6617
6618 if (!strchr(*u,'/'))
6619 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6620 "Link argument does contain at least one directory separator: %s",
6621 *u);
6622
6623 r = path_make_absolute_cwd(*u, &normalized_path);
6624 if (r < 0)
6625 return r;
6626
6627 free_and_replace(*u, normalized_path);
6628 }
6629
6630 return 0;
6631 }
6632
6633 static int normalize_names(char **names, bool warn_if_path) {
6634 char **u;
6635 bool was_path = false;
6636
6637 STRV_FOREACH(u, names) {
6638 int r;
6639
6640 if (!is_path(*u))
6641 continue;
6642
6643 r = free_and_strdup(u, basename(*u));
6644 if (r < 0)
6645 return log_error_errno(r, "Failed to normalize unit file path: %m");
6646
6647 was_path = true;
6648 }
6649
6650 if (warn_if_path && was_path)
6651 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6652
6653 return 0;
6654 }
6655
6656 static int unit_exists(LookupPaths *lp, const char *unit) {
6657 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6658 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6659 _cleanup_free_ char *path = NULL;
6660 static const struct bus_properties_map property_map[] = {
6661 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6662 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6663 {},
6664 };
6665 UnitStatusInfo info = {};
6666 sd_bus *bus;
6667 int r;
6668
6669 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6670 return unit_find_template_path(unit, lp, NULL, NULL);
6671
6672 path = unit_dbus_path_from_name(unit);
6673 if (!path)
6674 return log_oom();
6675
6676 r = acquire_bus(BUS_MANAGER, &bus);
6677 if (r < 0)
6678 return r;
6679
6680 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6681 if (r < 0)
6682 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6683
6684 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6685 }
6686
6687 static int enable_unit(int argc, char *argv[], void *userdata) {
6688 _cleanup_strv_free_ char **names = NULL;
6689 const char *verb = argv[0];
6690 UnitFileChange *changes = NULL;
6691 size_t n_changes = 0;
6692 int carries_install_info = -1;
6693 bool ignore_carries_install_info = arg_quiet;
6694 int r;
6695
6696 if (!argv[1])
6697 return 0;
6698
6699 r = mangle_names(strv_skip(argv, 1), &names);
6700 if (r < 0)
6701 return r;
6702
6703 r = enable_sysv_units(verb, names);
6704 if (r < 0)
6705 return r;
6706
6707 /* If the operation was fully executed by the SysV compat, let's finish early */
6708 if (strv_isempty(names)) {
6709 if (arg_no_reload || install_client_side())
6710 return 0;
6711 return daemon_reload(argc, argv, userdata);
6712 }
6713
6714 if (streq(verb, "disable")) {
6715 r = normalize_names(names, true);
6716 if (r < 0)
6717 return r;
6718 }
6719
6720 if (streq(verb, "link")) {
6721 r = normalize_filenames(names);
6722 if (r < 0)
6723 return r;
6724 }
6725
6726 if (install_client_side()) {
6727 UnitFileFlags flags;
6728
6729 flags = args_to_flags();
6730 if (streq(verb, "enable")) {
6731 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6732 carries_install_info = r;
6733 } else if (streq(verb, "disable"))
6734 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6735 else if (streq(verb, "reenable")) {
6736 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6737 carries_install_info = r;
6738 } else if (streq(verb, "link"))
6739 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6740 else if (streq(verb, "preset")) {
6741 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6742 } else if (streq(verb, "mask"))
6743 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6744 else if (streq(verb, "unmask"))
6745 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6746 else if (streq(verb, "revert"))
6747 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6748 else
6749 assert_not_reached("Unknown verb");
6750
6751 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6752 if (r < 0)
6753 goto finish;
6754 r = 0;
6755 } else {
6756 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6757 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6758 bool expect_carries_install_info = false;
6759 bool send_runtime = true, send_force = true, send_preset_mode = false;
6760 const char *method;
6761 sd_bus *bus;
6762
6763 if (STR_IN_SET(verb, "mask", "unmask")) {
6764 char **name;
6765 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6766
6767 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6768 if (r < 0)
6769 return r;
6770
6771 STRV_FOREACH(name, names) {
6772 r = unit_exists(&lp, *name);
6773 if (r < 0)
6774 return r;
6775 if (r == 0)
6776 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6777 }
6778 }
6779
6780 r = acquire_bus(BUS_MANAGER, &bus);
6781 if (r < 0)
6782 return r;
6783
6784 polkit_agent_open_maybe();
6785
6786 if (streq(verb, "enable")) {
6787 method = "EnableUnitFiles";
6788 expect_carries_install_info = true;
6789 } else if (streq(verb, "disable")) {
6790 method = "DisableUnitFiles";
6791 send_force = false;
6792 } else if (streq(verb, "reenable")) {
6793 method = "ReenableUnitFiles";
6794 expect_carries_install_info = true;
6795 } else if (streq(verb, "link"))
6796 method = "LinkUnitFiles";
6797 else if (streq(verb, "preset")) {
6798
6799 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6800 method = "PresetUnitFilesWithMode";
6801 send_preset_mode = true;
6802 } else
6803 method = "PresetUnitFiles";
6804
6805 expect_carries_install_info = true;
6806 ignore_carries_install_info = true;
6807 } else if (streq(verb, "mask"))
6808 method = "MaskUnitFiles";
6809 else if (streq(verb, "unmask")) {
6810 method = "UnmaskUnitFiles";
6811 send_force = false;
6812 } else if (streq(verb, "revert")) {
6813 method = "RevertUnitFiles";
6814 send_runtime = send_force = false;
6815 } else
6816 assert_not_reached("Unknown verb");
6817
6818 r = sd_bus_message_new_method_call(
6819 bus,
6820 &m,
6821 "org.freedesktop.systemd1",
6822 "/org/freedesktop/systemd1",
6823 "org.freedesktop.systemd1.Manager",
6824 method);
6825 if (r < 0)
6826 return bus_log_create_error(r);
6827
6828 r = sd_bus_message_append_strv(m, names);
6829 if (r < 0)
6830 return bus_log_create_error(r);
6831
6832 if (send_preset_mode) {
6833 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6834 if (r < 0)
6835 return bus_log_create_error(r);
6836 }
6837
6838 if (send_runtime) {
6839 r = sd_bus_message_append(m, "b", arg_runtime);
6840 if (r < 0)
6841 return bus_log_create_error(r);
6842 }
6843
6844 if (send_force) {
6845 r = sd_bus_message_append(m, "b", arg_force);
6846 if (r < 0)
6847 return bus_log_create_error(r);
6848 }
6849
6850 r = sd_bus_call(bus, m, 0, &error, &reply);
6851 if (r < 0)
6852 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6853
6854 if (expect_carries_install_info) {
6855 r = sd_bus_message_read(reply, "b", &carries_install_info);
6856 if (r < 0)
6857 return bus_log_parse_error(r);
6858 }
6859
6860 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6861 if (r < 0)
6862 goto finish;
6863
6864 /* Try to reload if enabled */
6865 if (!arg_no_reload)
6866 r = daemon_reload(argc, argv, userdata);
6867 else
6868 r = 0;
6869 }
6870
6871 if (carries_install_info == 0 && !ignore_carries_install_info)
6872 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6873 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6874 "units). This means they are not meant to be enabled using systemctl.\n"
6875 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6876 "Possible reasons for having this kind of units are:\n"
6877 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6878 " .wants/ or .requires/ directory.\n"
6879 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6880 " a requirement dependency on it.\n"
6881 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6882 " D-Bus, udev, scripted systemctl call, ...).\n"
6883 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6884 " instance name specified.",
6885 special_glyph(SPECIAL_GLYPH_BULLET));
6886
6887 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6888 sd_bus *bus;
6889 size_t len, i;
6890
6891 r = acquire_bus(BUS_MANAGER, &bus);
6892 if (r < 0)
6893 goto finish;
6894
6895 len = strv_length(names);
6896 {
6897 char *new_args[len + 2];
6898
6899 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6900 for (i = 0; i < len; i++)
6901 new_args[i + 1] = basename(names[i]);
6902 new_args[i + 1] = NULL;
6903
6904 r = start_unit(len + 1, new_args, userdata);
6905 }
6906 }
6907
6908 finish:
6909 unit_file_changes_free(changes, n_changes);
6910
6911 return r;
6912 }
6913
6914 static int add_dependency(int argc, char *argv[], void *userdata) {
6915 _cleanup_strv_free_ char **names = NULL;
6916 _cleanup_free_ char *target = NULL;
6917 const char *verb = argv[0];
6918 UnitFileChange *changes = NULL;
6919 size_t n_changes = 0;
6920 UnitDependency dep;
6921 int r = 0;
6922
6923 if (!argv[1])
6924 return 0;
6925
6926 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6927 if (r < 0)
6928 return log_error_errno(r, "Failed to mangle unit name: %m");
6929
6930 r = mangle_names(strv_skip(argv, 2), &names);
6931 if (r < 0)
6932 return r;
6933
6934 if (streq(verb, "add-wants"))
6935 dep = UNIT_WANTS;
6936 else if (streq(verb, "add-requires"))
6937 dep = UNIT_REQUIRES;
6938 else
6939 assert_not_reached("Unknown verb");
6940
6941 if (install_client_side()) {
6942 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6943 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6944
6945 if (r > 0)
6946 r = 0;
6947 } else {
6948 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6949 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6950 sd_bus *bus;
6951
6952 r = acquire_bus(BUS_MANAGER, &bus);
6953 if (r < 0)
6954 return r;
6955
6956 polkit_agent_open_maybe();
6957
6958 r = sd_bus_message_new_method_call(
6959 bus,
6960 &m,
6961 "org.freedesktop.systemd1",
6962 "/org/freedesktop/systemd1",
6963 "org.freedesktop.systemd1.Manager",
6964 "AddDependencyUnitFiles");
6965 if (r < 0)
6966 return bus_log_create_error(r);
6967
6968 r = sd_bus_message_append_strv(m, names);
6969 if (r < 0)
6970 return bus_log_create_error(r);
6971
6972 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6973 if (r < 0)
6974 return bus_log_create_error(r);
6975
6976 r = sd_bus_call(bus, m, 0, &error, &reply);
6977 if (r < 0)
6978 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6979
6980 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6981 if (r < 0)
6982 goto finish;
6983
6984 if (arg_no_reload) {
6985 r = 0;
6986 goto finish;
6987 }
6988
6989 r = daemon_reload(argc, argv, userdata);
6990 }
6991
6992 finish:
6993 unit_file_changes_free(changes, n_changes);
6994
6995 return r;
6996 }
6997
6998 static int preset_all(int argc, char *argv[], void *userdata) {
6999 UnitFileChange *changes = NULL;
7000 size_t n_changes = 0;
7001 int r;
7002
7003 if (install_client_side()) {
7004 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
7005 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
7006
7007 if (r > 0)
7008 r = 0;
7009 } else {
7010 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7011 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7012 sd_bus *bus;
7013
7014 r = acquire_bus(BUS_MANAGER, &bus);
7015 if (r < 0)
7016 return r;
7017
7018 polkit_agent_open_maybe();
7019
7020 r = sd_bus_call_method(
7021 bus,
7022 "org.freedesktop.systemd1",
7023 "/org/freedesktop/systemd1",
7024 "org.freedesktop.systemd1.Manager",
7025 "PresetAllUnitFiles",
7026 &error,
7027 &reply,
7028 "sbb",
7029 unit_file_preset_mode_to_string(arg_preset_mode),
7030 arg_runtime,
7031 arg_force);
7032 if (r < 0)
7033 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
7034
7035 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7036 if (r < 0)
7037 goto finish;
7038
7039 if (arg_no_reload) {
7040 r = 0;
7041 goto finish;
7042 }
7043
7044 r = daemon_reload(argc, argv, userdata);
7045 }
7046
7047 finish:
7048 unit_file_changes_free(changes, n_changes);
7049
7050 return r;
7051 }
7052
7053 static int show_installation_targets_client_side(const char *name) {
7054 UnitFileChange *changes = NULL;
7055 size_t n_changes = 0, i;
7056 UnitFileFlags flags;
7057 char **p;
7058 int r;
7059
7060 p = STRV_MAKE(name);
7061 flags = UNIT_FILE_DRY_RUN |
7062 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7063
7064 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7065 if (r < 0)
7066 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7067
7068 for (i = 0; i < n_changes; i++)
7069 if (changes[i].type == UNIT_FILE_UNLINK)
7070 printf(" %s\n", changes[i].path);
7071
7072 return 0;
7073 }
7074
7075 static int show_installation_targets(sd_bus *bus, const char *name) {
7076 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7077 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7078 const char *link;
7079 int r;
7080
7081 r = sd_bus_call_method(
7082 bus,
7083 "org.freedesktop.systemd1",
7084 "/org/freedesktop/systemd1",
7085 "org.freedesktop.systemd1.Manager",
7086 "GetUnitFileLinks",
7087 &error,
7088 &reply,
7089 "sb", name, arg_runtime);
7090 if (r < 0)
7091 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7092
7093 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7094 if (r < 0)
7095 return bus_log_parse_error(r);
7096
7097 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7098 printf(" %s\n", link);
7099
7100 if (r < 0)
7101 return bus_log_parse_error(r);
7102
7103 r = sd_bus_message_exit_container(reply);
7104 if (r < 0)
7105 return bus_log_parse_error(r);
7106
7107 return 0;
7108 }
7109
7110 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7111 _cleanup_strv_free_ char **names = NULL;
7112 bool enabled;
7113 char **name;
7114 int r;
7115
7116 r = mangle_names(strv_skip(argv, 1), &names);
7117 if (r < 0)
7118 return r;
7119
7120 r = enable_sysv_units(argv[0], names);
7121 if (r < 0)
7122 return r;
7123
7124 enabled = r > 0;
7125
7126 if (install_client_side()) {
7127 STRV_FOREACH(name, names) {
7128 UnitFileState state;
7129
7130 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7131 if (r < 0)
7132 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7133
7134 if (IN_SET(state,
7135 UNIT_FILE_ENABLED,
7136 UNIT_FILE_ENABLED_RUNTIME,
7137 UNIT_FILE_STATIC,
7138 UNIT_FILE_INDIRECT,
7139 UNIT_FILE_GENERATED))
7140 enabled = true;
7141
7142 if (!arg_quiet) {
7143 puts(unit_file_state_to_string(state));
7144 if (arg_full) {
7145 r = show_installation_targets_client_side(*name);
7146 if (r < 0)
7147 return r;
7148 }
7149 }
7150 }
7151
7152 r = 0;
7153 } else {
7154 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7155 sd_bus *bus;
7156
7157 r = acquire_bus(BUS_MANAGER, &bus);
7158 if (r < 0)
7159 return r;
7160
7161 STRV_FOREACH(name, names) {
7162 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7163 const char *s;
7164
7165 r = sd_bus_call_method(
7166 bus,
7167 "org.freedesktop.systemd1",
7168 "/org/freedesktop/systemd1",
7169 "org.freedesktop.systemd1.Manager",
7170 "GetUnitFileState",
7171 &error,
7172 &reply,
7173 "s", *name);
7174 if (r < 0)
7175 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7176
7177 r = sd_bus_message_read(reply, "s", &s);
7178 if (r < 0)
7179 return bus_log_parse_error(r);
7180
7181 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7182 enabled = true;
7183
7184 if (!arg_quiet) {
7185 puts(s);
7186 if (arg_full) {
7187 r = show_installation_targets(bus, *name);
7188 if (r < 0)
7189 return r;
7190 }
7191 }
7192 }
7193 }
7194
7195 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7196 }
7197
7198 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7199 char **state = userdata;
7200 int r;
7201
7202 assert(state);
7203
7204 r = sd_bus_get_property_string(
7205 sd_bus_message_get_bus(m),
7206 "org.freedesktop.systemd1",
7207 "/org/freedesktop/systemd1",
7208 "org.freedesktop.systemd1.Manager",
7209 "SystemState",
7210 NULL,
7211 state);
7212
7213 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7214 return 0;
7215 }
7216
7217 static int is_system_running(int argc, char *argv[], void *userdata) {
7218 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7219 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7220 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7221 _cleanup_free_ char *state = NULL;
7222 sd_bus *bus;
7223 int r;
7224
7225 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7226 if (!arg_quiet)
7227 puts("offline");
7228 return EXIT_FAILURE;
7229 }
7230
7231 r = acquire_bus(BUS_MANAGER, &bus);
7232 if (r < 0)
7233 return r;
7234
7235 if (arg_wait) {
7236 r = sd_event_default(&event);
7237 if (r >= 0)
7238 r = sd_bus_attach_event(bus, event, 0);
7239 if (r >= 0)
7240 r = sd_bus_match_signal_async(
7241 bus,
7242 &slot_startup_finished,
7243 "org.freedesktop.systemd1",
7244 "/org/freedesktop/systemd1",
7245 "org.freedesktop.systemd1.Manager",
7246 "StartupFinished",
7247 match_startup_finished, NULL, &state);
7248 if (r < 0) {
7249 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7250 arg_wait = false;
7251 }
7252 }
7253
7254 r = sd_bus_get_property_string(
7255 bus,
7256 "org.freedesktop.systemd1",
7257 "/org/freedesktop/systemd1",
7258 "org.freedesktop.systemd1.Manager",
7259 "SystemState",
7260 &error,
7261 &state);
7262 if (r < 0) {
7263 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7264
7265 if (!arg_quiet)
7266 puts("unknown");
7267 return EXIT_FAILURE;
7268 }
7269
7270 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7271 r = sd_event_loop(event);
7272 if (r < 0) {
7273 log_warning_errno(r, "Failed to get property from event loop: %m");
7274 if (!arg_quiet)
7275 puts("unknown");
7276 return EXIT_FAILURE;
7277 }
7278 }
7279
7280 if (!arg_quiet)
7281 puts(state);
7282
7283 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7284 }
7285
7286 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7287 _cleanup_free_ char *t = NULL;
7288 int r;
7289
7290 assert(new_path);
7291 assert(original_path);
7292 assert(ret_tmp_fn);
7293
7294 r = tempfn_random(new_path, NULL, &t);
7295 if (r < 0)
7296 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7297
7298 r = mkdir_parents(new_path, 0755);
7299 if (r < 0)
7300 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7301
7302 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7303 if (r == -ENOENT) {
7304
7305 r = touch(t);
7306 if (r < 0)
7307 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7308
7309 } else if (r < 0)
7310 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7311
7312 *ret_tmp_fn = TAKE_PTR(t);
7313
7314 return 0;
7315 }
7316
7317 static int get_file_to_edit(
7318 const LookupPaths *paths,
7319 const char *name,
7320 char **ret_path) {
7321
7322 _cleanup_free_ char *path = NULL, *run = NULL;
7323
7324 assert(name);
7325 assert(ret_path);
7326
7327 path = path_join(paths->persistent_config, name);
7328 if (!path)
7329 return log_oom();
7330
7331 if (arg_runtime) {
7332 run = path_join(paths->runtime_config, name);
7333 if (!run)
7334 return log_oom();
7335 }
7336
7337 if (arg_runtime) {
7338 if (access(path, F_OK) >= 0)
7339 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7340 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7341 run, path);
7342
7343 *ret_path = TAKE_PTR(run);
7344 } else
7345 *ret_path = TAKE_PTR(path);
7346
7347 return 0;
7348 }
7349
7350 static int unit_file_create_new(
7351 const LookupPaths *paths,
7352 const char *unit_name,
7353 const char *suffix,
7354 char **ret_new_path,
7355 char **ret_tmp_path) {
7356
7357 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7358 const char *ending;
7359 int r;
7360
7361 assert(unit_name);
7362 assert(ret_new_path);
7363 assert(ret_tmp_path);
7364
7365 ending = strjoina(unit_name, suffix);
7366 r = get_file_to_edit(paths, ending, &new_path);
7367 if (r < 0)
7368 return r;
7369
7370 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7371 if (r < 0)
7372 return r;
7373
7374 *ret_new_path = TAKE_PTR(new_path);
7375 *ret_tmp_path = TAKE_PTR(tmp_path);
7376
7377 return 0;
7378 }
7379
7380 static int unit_file_create_copy(
7381 const LookupPaths *paths,
7382 const char *unit_name,
7383 const char *fragment_path,
7384 char **ret_new_path,
7385 char **ret_tmp_path) {
7386
7387 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7388 int r;
7389
7390 assert(fragment_path);
7391 assert(unit_name);
7392 assert(ret_new_path);
7393 assert(ret_tmp_path);
7394
7395 r = get_file_to_edit(paths, unit_name, &new_path);
7396 if (r < 0)
7397 return r;
7398
7399 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7400 char response;
7401
7402 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7403 if (r < 0)
7404 return r;
7405 if (response != 'y')
7406 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7407 }
7408
7409 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7410 if (r < 0)
7411 return r;
7412
7413 *ret_new_path = TAKE_PTR(new_path);
7414 *ret_tmp_path = TAKE_PTR(tmp_path);
7415
7416 return 0;
7417 }
7418
7419 static int run_editor(char **paths) {
7420 int r;
7421
7422 assert(paths);
7423
7424 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7425 if (r < 0)
7426 return r;
7427 if (r == 0) {
7428 char **editor_args = NULL, **tmp_path, **original_path;
7429 size_t n_editor_args = 0, i = 1, argc;
7430 const char **args, *editor, *p;
7431
7432 argc = strv_length(paths)/2 + 1;
7433
7434 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7435 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7436 * we try to execute well known editors
7437 */
7438 editor = getenv("SYSTEMD_EDITOR");
7439 if (!editor)
7440 editor = getenv("EDITOR");
7441 if (!editor)
7442 editor = getenv("VISUAL");
7443
7444 if (!isempty(editor)) {
7445 editor_args = strv_split(editor, WHITESPACE);
7446 if (!editor_args) {
7447 (void) log_oom();
7448 _exit(EXIT_FAILURE);
7449 }
7450 n_editor_args = strv_length(editor_args);
7451 argc += n_editor_args - 1;
7452 }
7453
7454 args = newa(const char*, argc + 1);
7455
7456 if (n_editor_args > 0) {
7457 args[0] = editor_args[0];
7458 for (; i < n_editor_args; i++)
7459 args[i] = editor_args[i];
7460 }
7461
7462 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7463 args[i++] = *tmp_path;
7464 args[i] = NULL;
7465
7466 if (n_editor_args > 0)
7467 execvp(args[0], (char* const*) args);
7468
7469 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7470 args[0] = p;
7471 execvp(p, (char* const*) args);
7472 /* We do not fail if the editor doesn't exist
7473 * because we want to try each one of them before
7474 * failing.
7475 */
7476 if (errno != ENOENT) {
7477 log_error_errno(errno, "Failed to execute %s: %m", editor);
7478 _exit(EXIT_FAILURE);
7479 }
7480 }
7481
7482 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7483 _exit(EXIT_FAILURE);
7484 }
7485
7486 return 0;
7487 }
7488
7489 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7490 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7491 char **name;
7492 int r;
7493
7494 assert(names);
7495 assert(paths);
7496
7497 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7498 if (r < 0)
7499 return r;
7500
7501 STRV_FOREACH(name, names) {
7502 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7503 const char *unit_name;
7504
7505 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7506 if (r == -EKEYREJECTED) {
7507 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7508 * file path. In that case, find the file client side. */
7509 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7510 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7511 }
7512 if (r == -ERFKILL)
7513 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7514 if (r < 0)
7515 return r;
7516
7517 if (r == 0) {
7518 assert(!path);
7519
7520 if (!arg_force) {
7521 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7522 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7523 arg_scope == UNIT_FILE_USER ? " --user" : "",
7524 *name);
7525 return -ENOENT;
7526 }
7527
7528 /* Create a new unit from scratch */
7529 unit_name = *name;
7530 r = unit_file_create_new(&lp, unit_name,
7531 arg_full ? NULL : ".d/override.conf",
7532 &new_path, &tmp_path);
7533 } else {
7534 assert(path);
7535
7536 unit_name = basename(path);
7537 /* We follow unit aliases, but we need to propagate the instance */
7538 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7539 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7540 _cleanup_free_ char *instance = NULL;
7541
7542 r = unit_name_to_instance(*name, &instance);
7543 if (r < 0)
7544 return r;
7545
7546 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7547 if (r < 0)
7548 return r;
7549
7550 unit_name = tmp_name;
7551 }
7552
7553 if (arg_full)
7554 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7555 else
7556 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7557 }
7558 if (r < 0)
7559 return r;
7560
7561 r = strv_push_pair(paths, new_path, tmp_path);
7562 if (r < 0)
7563 return log_oom();
7564
7565 new_path = tmp_path = NULL;
7566 }
7567
7568 return 0;
7569 }
7570
7571 static int edit(int argc, char *argv[], void *userdata) {
7572 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7573 _cleanup_strv_free_ char **names = NULL;
7574 _cleanup_strv_free_ char **paths = NULL;
7575 char **original, **tmp;
7576 sd_bus *bus;
7577 int r;
7578
7579 if (!on_tty())
7580 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7581
7582 if (arg_transport != BUS_TRANSPORT_LOCAL)
7583 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7584
7585 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7586 if (r < 0)
7587 return log_error_errno(r, "Failed to determine unit paths: %m");
7588
7589 r = acquire_bus(BUS_MANAGER, &bus);
7590 if (r < 0)
7591 return r;
7592
7593 r = expand_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
7594 if (r < 0)
7595 return log_error_errno(r, "Failed to expand names: %m");
7596
7597 STRV_FOREACH(tmp, names) {
7598 r = unit_is_masked(bus, &lp, *tmp);
7599 if (r < 0)
7600 return r;
7601 if (r > 0)
7602 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7603 }
7604
7605 r = find_paths_to_edit(bus, names, &paths);
7606 if (r < 0)
7607 return r;
7608
7609 if (strv_isempty(paths))
7610 return -ENOENT;
7611
7612 r = run_editor(paths);
7613 if (r < 0)
7614 goto end;
7615
7616 STRV_FOREACH_PAIR(original, tmp, paths) {
7617 /* If the temporary file is empty we ignore it.
7618 * This allows the user to cancel the modification.
7619 */
7620 if (null_or_empty_path(*tmp)) {
7621 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7622 continue;
7623 }
7624
7625 r = rename(*tmp, *original);
7626 if (r < 0) {
7627 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7628 goto end;
7629 }
7630 }
7631
7632 r = 0;
7633
7634 if (!arg_no_reload && !install_client_side())
7635 r = daemon_reload(argc, argv, userdata);
7636
7637 end:
7638 STRV_FOREACH_PAIR(original, tmp, paths) {
7639 (void) unlink(*tmp);
7640
7641 /* Removing empty dropin dirs */
7642 if (!arg_full) {
7643 _cleanup_free_ char *dir;
7644
7645 dir = dirname_malloc(*original);
7646 if (!dir)
7647 return log_oom();
7648
7649 /* no need to check if the dir is empty, rmdir
7650 * does nothing if it is not the case.
7651 */
7652 (void) rmdir(dir);
7653 }
7654 }
7655
7656 return r;
7657 }
7658
7659 static int systemctl_help(void) {
7660 _cleanup_free_ char *link = NULL;
7661 int r;
7662
7663 (void) pager_open(arg_pager_flags);
7664
7665 r = terminal_urlify_man("systemctl", "1", &link);
7666 if (r < 0)
7667 return log_oom();
7668
7669 printf("%5$s%1$s [OPTIONS...] {COMMAND} ...\n\n"
7670 "Query or send control commands to the systemd manager.%6$s\n\n"
7671 "%3$sUnit Commands:%4$s\n"
7672 " list-units [PATTERN...] List units currently in memory\n"
7673 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7674 " ordered by address\n"
7675 " list-timers [PATTERN...] List timer units currently in memory,\n"
7676 " ordered by next elapse\n"
7677 " start UNIT... Start (activate) one or more units\n"
7678 " stop UNIT... Stop (deactivate) one or more units\n"
7679 " reload UNIT... Reload one or more units\n"
7680 " restart UNIT... Start or restart one or more units\n"
7681 " try-restart UNIT... Restart one or more units if active\n"
7682 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7683 " otherwise start or restart\n"
7684 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7685 " if supported, otherwise restart\n"
7686 " isolate UNIT Start one unit and stop all others\n"
7687 " kill UNIT... Send signal to processes of a unit\n"
7688 " clean UNIT... Clean runtime, cache, state, logs or\n"
7689 " or configuration of unit\n"
7690 " is-active PATTERN... Check whether units are active\n"
7691 " is-failed PATTERN... Check whether units are failed\n"
7692 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7693 " show [PATTERN...|JOB...] Show properties of one or more\n"
7694 " units/jobs or the manager\n"
7695 " cat PATTERN... Show files and drop-ins of specified units\n"
7696 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7697 " help PATTERN...|PID... Show manual for one or more units\n"
7698 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7699 " units\n"
7700 " list-dependencies [UNIT] Recursively show units which are required\n"
7701 " or wanted by this unit or by which this\n"
7702 " unit is required or wanted\n\n"
7703 "%3$sUnit File Commands:%4$s\n"
7704 " list-unit-files [PATTERN...] List installed unit files\n"
7705 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7706 " disable UNIT... Disable one or more unit files\n"
7707 " reenable UNIT... Reenable one or more unit files\n"
7708 " preset UNIT... Enable/disable one or more unit files\n"
7709 " based on preset configuration\n"
7710 " preset-all Enable/disable all unit files based on\n"
7711 " preset configuration\n"
7712 " is-enabled UNIT... Check whether unit files are enabled\n"
7713 " mask UNIT... Mask one or more units\n"
7714 " unmask UNIT... Unmask one or more units\n"
7715 " link PATH... Link one or more units files into\n"
7716 " the search path\n"
7717 " revert UNIT... Revert one or more unit files to vendor\n"
7718 " version\n"
7719 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7720 " on specified one or more units\n"
7721 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7722 " on specified one or more units\n"
7723 " edit UNIT... Edit one or more unit files\n"
7724 " get-default Get the name of the default target\n"
7725 " set-default TARGET Set the default target\n\n"
7726 "%3$sMachine Commands:%4$s\n"
7727 " list-machines [PATTERN...] List local containers and host\n\n"
7728 "%3$sJob Commands:%4$s\n"
7729 " list-jobs [PATTERN...] List jobs\n"
7730 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7731 "%3$sEnvironment Commands:%4$s\n"
7732 " show-environment Dump environment\n"
7733 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7734 " unset-environment VARIABLE... Unset one or more environment variables\n"
7735 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7736 "%3$sManager Lifecycle Commands:%4$s\n"
7737 " daemon-reload Reload systemd manager configuration\n"
7738 " daemon-reexec Reexecute systemd manager\n\n"
7739 "%3$sSystem Commands:%4$s\n"
7740 " is-system-running Check whether system is fully running\n"
7741 " default Enter system default mode\n"
7742 " rescue Enter system rescue mode\n"
7743 " emergency Enter system emergency mode\n"
7744 " halt Shut down and halt the system\n"
7745 " poweroff Shut down and power-off the system\n"
7746 " reboot [ARG] Shut down and reboot the system\n"
7747 " kexec Shut down and reboot the system with kexec\n"
7748 " exit [EXIT_CODE] Request user instance or container exit\n"
7749 " switch-root ROOT [INIT] Change to a different root file system\n"
7750 " suspend Suspend the system\n"
7751 " hibernate Hibernate the system\n"
7752 " hybrid-sleep Hibernate and suspend the system\n"
7753 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7754 " time and put it into hibernate\n"
7755 "\nOptions\n"
7756 " -h --help Show this help\n"
7757 " --version Show package version\n"
7758 " --system Connect to system manager\n"
7759 " --user Connect to user service manager\n"
7760 " -H --host=[USER@]HOST\n"
7761 " Operate on remote host\n"
7762 " -M --machine=CONTAINER\n"
7763 " Operate on local container\n"
7764 " -t --type=TYPE List units of a particular type\n"
7765 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7766 " --failed Shorcut for --state=failed\n"
7767 " -p --property=NAME Show only properties by this name\n"
7768 " -a --all Show all properties/all units currently in memory,\n"
7769 " including dead/empty ones. To list all units installed on\n"
7770 " the system, use the 'list-unit-files' command instead.\n"
7771 " -l --full Don't ellipsize unit names on output\n"
7772 " -r --recursive Show unit list of host and local containers\n"
7773 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7774 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7775 " queueing a new job\n"
7776 " -T --show-transaction\n"
7777 " When enqueuing a unit job, show full transaction\n"
7778 " --show-types When showing sockets, explicitly show their type\n"
7779 " --value When showing properties, only print the value\n"
7780 " -i --ignore-inhibitors\n"
7781 " When shutting down or sleeping, ignore inhibitors\n"
7782 " --kill-who=WHO Who to send signal to\n"
7783 " -s --signal=SIGNAL Which signal to send\n"
7784 " --what=RESOURCES Which types of resources to remove\n"
7785 " --now Start or stop unit in addition to enabling or disabling it\n"
7786 " --dry-run Only print what would be done\n"
7787 " -q --quiet Suppress output\n"
7788 " --wait For (re)start, wait until service stopped again\n"
7789 " For is-system-running, wait until startup is completed\n"
7790 " --no-block Do not wait until operation finished\n"
7791 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7792 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7793 " --no-legend Do not print a legend (column headers and hints)\n"
7794 " --no-pager Do not pipe output into a pager\n"
7795 " --no-ask-password\n"
7796 " Do not ask for system passwords\n"
7797 " --global Enable/disable/mask unit files globally\n"
7798 " --runtime Enable/disable/mask unit files temporarily until next\n"
7799 " reboot\n"
7800 " -f --force When enabling unit files, override existing symlinks\n"
7801 " When shutting down, execute action immediately\n"
7802 " --preset-mode= Apply only enable, only disable, or all presets\n"
7803 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7804 " directory\n"
7805 " -n --lines=INTEGER Number of journal entries to show\n"
7806 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7807 " short-iso, short-iso-precise, short-full,\n"
7808 " short-monotonic, short-unix,\n"
7809 " verbose, export, json, json-pretty, json-sse, cat)\n"
7810 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7811 " --boot-loader-menu=TIME\n"
7812 " Boot into boot loader menu on next boot\n"
7813 " --boot-loader-entry=NAME\n"
7814 " Boot into a specific boot loader entry on next boot\n"
7815 " --plain Print unit dependencies as a list instead of a tree\n"
7816 "\nSee the %2$s for details.\n"
7817 , program_invocation_short_name
7818 , link
7819 , ansi_underline(), ansi_normal()
7820 , ansi_highlight(), ansi_normal()
7821 );
7822
7823 return 0;
7824 }
7825
7826 static int halt_help(void) {
7827 _cleanup_free_ char *link = NULL;
7828 int r;
7829
7830 r = terminal_urlify_man("halt", "8", &link);
7831 if (r < 0)
7832 return log_oom();
7833
7834 printf("%s [OPTIONS...]%s\n\n"
7835 "%s the system.\n\n"
7836 " --help Show this help\n"
7837 " --halt Halt the machine\n"
7838 " -p --poweroff Switch off the machine\n"
7839 " --reboot Reboot the machine\n"
7840 " -f --force Force immediate halt/power-off/reboot\n"
7841 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7842 " -d --no-wtmp Don't write wtmp record\n"
7843 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7844 "\nSee the %s for details.\n"
7845 , program_invocation_short_name
7846 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7847 arg_action == ACTION_REBOOT ? "Reboot" :
7848 arg_action == ACTION_POWEROFF ? "Power off" :
7849 "Halt"
7850 , link
7851 );
7852
7853 return 0;
7854 }
7855
7856 static int shutdown_help(void) {
7857 _cleanup_free_ char *link = NULL;
7858 int r;
7859
7860 r = terminal_urlify_man("shutdown", "8", &link);
7861 if (r < 0)
7862 return log_oom();
7863
7864 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7865 "Shut down the system.\n\n"
7866 " --help Show this help\n"
7867 " -H --halt Halt the machine\n"
7868 " -P --poweroff Power-off the machine\n"
7869 " -r --reboot Reboot the machine\n"
7870 " -h Equivalent to --poweroff, overridden by --halt\n"
7871 " -k Don't halt/power-off/reboot, just send warnings\n"
7872 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7873 " -c Cancel a pending shutdown\n"
7874 "\nSee the %s for details.\n"
7875 , program_invocation_short_name
7876 , link
7877 );
7878
7879 return 0;
7880 }
7881
7882 static int telinit_help(void) {
7883 _cleanup_free_ char *link = NULL;
7884 int r;
7885
7886 r = terminal_urlify_man("telinit", "8", &link);
7887 if (r < 0)
7888 return log_oom();
7889
7890 printf("%s [OPTIONS...] {COMMAND}\n\n"
7891 "Send control commands to the init daemon.\n\n"
7892 " --help Show this help\n"
7893 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7894 "Commands:\n"
7895 " 0 Power-off the machine\n"
7896 " 6 Reboot the machine\n"
7897 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7898 " 1, s, S Enter rescue mode\n"
7899 " q, Q Reload init daemon configuration\n"
7900 " u, U Reexecute init daemon\n"
7901 "\nSee the %s for details.\n"
7902 , program_invocation_short_name
7903 , link
7904 );
7905
7906 return 0;
7907 }
7908
7909 static int runlevel_help(void) {
7910 _cleanup_free_ char *link = NULL;
7911 int r;
7912
7913 r = terminal_urlify_man("runlevel", "8", &link);
7914 if (r < 0)
7915 return log_oom();
7916
7917 printf("%s [OPTIONS...]\n\n"
7918 "Prints the previous and current runlevel of the init system.\n\n"
7919 " --help Show this help\n"
7920 "\nSee the %s for details.\n"
7921 , program_invocation_short_name
7922 , link
7923 );
7924
7925 return 0;
7926 }
7927
7928 static void help_types(void) {
7929 if (!arg_no_legend)
7930 puts("Available unit types:");
7931
7932 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7933 }
7934
7935 static void help_states(void) {
7936 if (!arg_no_legend)
7937 puts("Available unit load states:");
7938 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7939
7940 if (!arg_no_legend)
7941 puts("\nAvailable unit active states:");
7942 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7943
7944 if (!arg_no_legend)
7945 puts("\nAvailable unit file states:");
7946 DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX);
7947
7948 if (!arg_no_legend)
7949 puts("\nAvailable automount unit substates:");
7950 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7951
7952 if (!arg_no_legend)
7953 puts("\nAvailable device unit substates:");
7954 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7955
7956 if (!arg_no_legend)
7957 puts("\nAvailable mount unit substates:");
7958 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7959
7960 if (!arg_no_legend)
7961 puts("\nAvailable path unit substates:");
7962 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7963
7964 if (!arg_no_legend)
7965 puts("\nAvailable scope unit substates:");
7966 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7967
7968 if (!arg_no_legend)
7969 puts("\nAvailable service unit substates:");
7970 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7971
7972 if (!arg_no_legend)
7973 puts("\nAvailable slice unit substates:");
7974 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7975
7976 if (!arg_no_legend)
7977 puts("\nAvailable socket unit substates:");
7978 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7979
7980 if (!arg_no_legend)
7981 puts("\nAvailable swap unit substates:");
7982 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7983
7984 if (!arg_no_legend)
7985 puts("\nAvailable target unit substates:");
7986 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7987
7988 if (!arg_no_legend)
7989 puts("\nAvailable timer unit substates:");
7990 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7991 }
7992
7993 static int help_boot_loader_entry(void) {
7994 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7995 _cleanup_strv_free_ char **l = NULL;
7996 sd_bus *bus;
7997 char **i;
7998 int r;
7999
8000 r = acquire_bus(BUS_FULL, &bus);
8001 if (r < 0)
8002 return r;
8003
8004 r = sd_bus_get_property_strv(
8005 bus,
8006 "org.freedesktop.login1",
8007 "/org/freedesktop/login1",
8008 "org.freedesktop.login1.Manager",
8009 "BootLoaderEntries",
8010 &error,
8011 &l);
8012 if (r < 0)
8013 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
8014
8015 if (strv_isempty(l))
8016 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
8017
8018 STRV_FOREACH(i, l)
8019 puts(*i);
8020
8021 return 0;
8022 }
8023
8024 static int systemctl_parse_argv(int argc, char *argv[]) {
8025 enum {
8026 ARG_FAIL = 0x100,
8027 ARG_REVERSE,
8028 ARG_AFTER,
8029 ARG_BEFORE,
8030 ARG_DRY_RUN,
8031 ARG_SHOW_TYPES,
8032 ARG_IRREVERSIBLE,
8033 ARG_IGNORE_DEPENDENCIES,
8034 ARG_VALUE,
8035 ARG_VERSION,
8036 ARG_USER,
8037 ARG_SYSTEM,
8038 ARG_GLOBAL,
8039 ARG_NO_BLOCK,
8040 ARG_NO_LEGEND,
8041 ARG_NO_PAGER,
8042 ARG_NO_WALL,
8043 ARG_ROOT,
8044 ARG_NO_RELOAD,
8045 ARG_KILL_WHO,
8046 ARG_NO_ASK_PASSWORD,
8047 ARG_FAILED,
8048 ARG_RUNTIME,
8049 ARG_PLAIN,
8050 ARG_STATE,
8051 ARG_JOB_MODE,
8052 ARG_PRESET_MODE,
8053 ARG_FIRMWARE_SETUP,
8054 ARG_BOOT_LOADER_MENU,
8055 ARG_BOOT_LOADER_ENTRY,
8056 ARG_NOW,
8057 ARG_MESSAGE,
8058 ARG_WAIT,
8059 ARG_WHAT,
8060 };
8061
8062 static const struct option options[] = {
8063 { "help", no_argument, NULL, 'h' },
8064 { "version", no_argument, NULL, ARG_VERSION },
8065 { "type", required_argument, NULL, 't' },
8066 { "property", required_argument, NULL, 'p' },
8067 { "all", no_argument, NULL, 'a' },
8068 { "reverse", no_argument, NULL, ARG_REVERSE },
8069 { "after", no_argument, NULL, ARG_AFTER },
8070 { "before", no_argument, NULL, ARG_BEFORE },
8071 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8072 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8073 { "full", no_argument, NULL, 'l' },
8074 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8075 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8076 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8077 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8078 { "ignore-inhibitors", no_argument, NULL, 'i' },
8079 { "value", no_argument, NULL, ARG_VALUE },
8080 { "user", no_argument, NULL, ARG_USER },
8081 { "system", no_argument, NULL, ARG_SYSTEM },
8082 { "global", no_argument, NULL, ARG_GLOBAL },
8083 { "wait", no_argument, NULL, ARG_WAIT },
8084 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8085 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8086 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8087 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8088 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8089 { "quiet", no_argument, NULL, 'q' },
8090 { "root", required_argument, NULL, ARG_ROOT },
8091 { "force", no_argument, NULL, 'f' },
8092 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8093 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8094 { "signal", required_argument, NULL, 's' },
8095 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8096 { "host", required_argument, NULL, 'H' },
8097 { "machine", required_argument, NULL, 'M' },
8098 { "runtime", no_argument, NULL, ARG_RUNTIME },
8099 { "lines", required_argument, NULL, 'n' },
8100 { "output", required_argument, NULL, 'o' },
8101 { "plain", no_argument, NULL, ARG_PLAIN },
8102 { "state", required_argument, NULL, ARG_STATE },
8103 { "recursive", no_argument, NULL, 'r' },
8104 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8105 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8106 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8107 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8108 { "now", no_argument, NULL, ARG_NOW },
8109 { "message", required_argument, NULL, ARG_MESSAGE },
8110 { "show-transaction", no_argument, NULL, 'T' },
8111 { "what", required_argument, NULL, ARG_WHAT },
8112 {}
8113 };
8114
8115 int c, r;
8116
8117 assert(argc >= 0);
8118 assert(argv);
8119
8120 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8121 arg_ask_password = true;
8122
8123 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8124
8125 switch (c) {
8126
8127 case 'h':
8128 return systemctl_help();
8129
8130 case ARG_VERSION:
8131 return version();
8132
8133 case 't': {
8134 const char *p;
8135
8136 if (isempty(optarg))
8137 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8138 "--type= requires arguments.");
8139
8140 for (p = optarg;;) {
8141 _cleanup_free_ char *type = NULL;
8142
8143 r = extract_first_word(&p, &type, ",", 0);
8144 if (r < 0)
8145 return log_error_errno(r, "Failed to parse type: %s", optarg);
8146 if (r == 0)
8147 break;
8148
8149 if (streq(type, "help")) {
8150 help_types();
8151 return 0;
8152 }
8153
8154 if (unit_type_from_string(type) >= 0) {
8155 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8156 return log_oom();
8157 continue;
8158 }
8159
8160 /* It's much nicer to use --state= for
8161 * load states, but let's support this
8162 * in --types= too for compatibility
8163 * with old versions */
8164 if (unit_load_state_from_string(type) >= 0) {
8165 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8166 return log_oom();
8167 continue;
8168 }
8169
8170 log_error("Unknown unit type or load state '%s'.", type);
8171 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8172 "Use -t help to see a list of allowed values.");
8173 }
8174
8175 break;
8176 }
8177
8178 case 'p':
8179 /* Make sure that if the empty property list was specified, we won't show any
8180 properties. */
8181 if (isempty(optarg) && !arg_properties) {
8182 arg_properties = new0(char*, 1);
8183 if (!arg_properties)
8184 return log_oom();
8185 } else {
8186 const char *p;
8187
8188 for (p = optarg;;) {
8189 _cleanup_free_ char *prop = NULL;
8190
8191 r = extract_first_word(&p, &prop, ",", 0);
8192 if (r < 0)
8193 return log_error_errno(r, "Failed to parse property: %s", optarg);
8194 if (r == 0)
8195 break;
8196
8197 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8198 return log_oom();
8199 }
8200 }
8201
8202 /* If the user asked for a particular
8203 * property, show it to him, even if it is
8204 * empty. */
8205 arg_all = true;
8206
8207 break;
8208
8209 case 'a':
8210 arg_all = true;
8211 break;
8212
8213 case ARG_REVERSE:
8214 arg_dependency = DEPENDENCY_REVERSE;
8215 break;
8216
8217 case ARG_AFTER:
8218 arg_dependency = DEPENDENCY_AFTER;
8219 arg_jobs_after = true;
8220 break;
8221
8222 case ARG_BEFORE:
8223 arg_dependency = DEPENDENCY_BEFORE;
8224 arg_jobs_before = true;
8225 break;
8226
8227 case ARG_SHOW_TYPES:
8228 arg_show_types = true;
8229 break;
8230
8231 case ARG_VALUE:
8232 arg_value = true;
8233 break;
8234
8235 case ARG_JOB_MODE:
8236 arg_job_mode = optarg;
8237 break;
8238
8239 case ARG_FAIL:
8240 arg_job_mode = "fail";
8241 break;
8242
8243 case ARG_IRREVERSIBLE:
8244 arg_job_mode = "replace-irreversibly";
8245 break;
8246
8247 case ARG_IGNORE_DEPENDENCIES:
8248 arg_job_mode = "ignore-dependencies";
8249 break;
8250
8251 case ARG_USER:
8252 arg_scope = UNIT_FILE_USER;
8253 break;
8254
8255 case ARG_SYSTEM:
8256 arg_scope = UNIT_FILE_SYSTEM;
8257 break;
8258
8259 case ARG_GLOBAL:
8260 arg_scope = UNIT_FILE_GLOBAL;
8261 break;
8262
8263 case ARG_WAIT:
8264 arg_wait = true;
8265 break;
8266
8267 case ARG_NO_BLOCK:
8268 arg_no_block = true;
8269 break;
8270
8271 case ARG_NO_LEGEND:
8272 arg_no_legend = true;
8273 break;
8274
8275 case ARG_NO_PAGER:
8276 arg_pager_flags |= PAGER_DISABLE;
8277 break;
8278
8279 case ARG_NO_WALL:
8280 arg_no_wall = true;
8281 break;
8282
8283 case ARG_ROOT:
8284 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8285 if (r < 0)
8286 return r;
8287 break;
8288
8289 case 'l':
8290 arg_full = true;
8291 break;
8292
8293 case ARG_FAILED:
8294 if (strv_extend(&arg_states, "failed") < 0)
8295 return log_oom();
8296
8297 break;
8298
8299 case ARG_DRY_RUN:
8300 arg_dry_run = true;
8301 break;
8302
8303 case 'q':
8304 arg_quiet = true;
8305 break;
8306
8307 case 'f':
8308 arg_force++;
8309 break;
8310
8311 case ARG_NO_RELOAD:
8312 arg_no_reload = true;
8313 break;
8314
8315 case ARG_KILL_WHO:
8316 arg_kill_who = optarg;
8317 break;
8318
8319 case 's':
8320 if (streq(optarg, "help")) {
8321 DUMP_STRING_TABLE(signal, int, _NSIG);
8322 return 0;
8323 }
8324
8325 arg_signal = signal_from_string(optarg);
8326 if (arg_signal < 0)
8327 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8328 "Failed to parse signal string %s.",
8329 optarg);
8330 break;
8331
8332 case ARG_NO_ASK_PASSWORD:
8333 arg_ask_password = false;
8334 break;
8335
8336 case 'H':
8337 arg_transport = BUS_TRANSPORT_REMOTE;
8338 arg_host = optarg;
8339 break;
8340
8341 case 'M':
8342 arg_transport = BUS_TRANSPORT_MACHINE;
8343 arg_host = optarg;
8344 break;
8345
8346 case ARG_RUNTIME:
8347 arg_runtime = true;
8348 break;
8349
8350 case 'n':
8351 if (safe_atou(optarg, &arg_lines) < 0)
8352 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8353 "Failed to parse lines '%s'",
8354 optarg);
8355 break;
8356
8357 case 'o':
8358 if (streq(optarg, "help")) {
8359 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8360 return 0;
8361 }
8362
8363 arg_output = output_mode_from_string(optarg);
8364 if (arg_output < 0)
8365 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8366 "Unknown output '%s'.",
8367 optarg);
8368 break;
8369
8370 case 'i':
8371 arg_ignore_inhibitors = true;
8372 break;
8373
8374 case ARG_PLAIN:
8375 arg_plain = true;
8376 break;
8377
8378 case ARG_FIRMWARE_SETUP:
8379 arg_firmware_setup = true;
8380 break;
8381
8382 case ARG_BOOT_LOADER_MENU:
8383
8384 r = parse_sec(optarg, &arg_boot_loader_menu);
8385 if (r < 0)
8386 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8387
8388 break;
8389
8390 case ARG_BOOT_LOADER_ENTRY:
8391
8392 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8393 r = help_boot_loader_entry();
8394 if (r < 0)
8395 return r;
8396
8397 return 0;
8398 }
8399
8400 arg_boot_loader_entry = empty_to_null(optarg);
8401 break;
8402
8403 case ARG_STATE: {
8404 const char *p;
8405
8406 if (isempty(optarg))
8407 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8408 "--state= requires arguments.");
8409
8410 for (p = optarg;;) {
8411 _cleanup_free_ char *s = NULL;
8412
8413 r = extract_first_word(&p, &s, ",", 0);
8414 if (r < 0)
8415 return log_error_errno(r, "Failed to parse state: %s", optarg);
8416 if (r == 0)
8417 break;
8418
8419 if (streq(s, "help")) {
8420 help_states();
8421 return 0;
8422 }
8423
8424 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8425 return log_oom();
8426 }
8427 break;
8428 }
8429
8430 case 'r':
8431 if (geteuid() != 0)
8432 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8433 "--recursive requires root privileges.");
8434
8435 arg_recursive = true;
8436 break;
8437
8438 case ARG_PRESET_MODE:
8439 if (streq(optarg, "help")) {
8440 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8441 return 0;
8442 }
8443
8444 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8445 if (arg_preset_mode < 0)
8446 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8447 "Failed to parse preset mode: %s.", optarg);
8448
8449 break;
8450
8451 case ARG_NOW:
8452 arg_now = true;
8453 break;
8454
8455 case ARG_MESSAGE:
8456 if (strv_extend(&arg_wall, optarg) < 0)
8457 return log_oom();
8458 break;
8459
8460 case 'T':
8461 arg_show_transaction = true;
8462 break;
8463
8464 case ARG_WHAT: {
8465 const char *p;
8466
8467 if (isempty(optarg))
8468 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8469
8470 for (p = optarg;;) {
8471 _cleanup_free_ char *k = NULL;
8472
8473 r = extract_first_word(&p, &k, ",", 0);
8474 if (r < 0)
8475 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8476 if (r == 0)
8477 break;
8478
8479 if (streq(k, "help")) {
8480 puts("runtime\n"
8481 "state\n"
8482 "cache\n"
8483 "logs\n"
8484 "configuration");
8485 return 0;
8486 }
8487
8488 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8489 if (r < 0)
8490 return log_oom();
8491 }
8492
8493 break;
8494 }
8495
8496 case '.':
8497 /* Output an error mimicking getopt, and print a hint afterwards */
8498 log_error("%s: invalid option -- '.'", program_invocation_name);
8499 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8500 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8501 program_invocation_name, optarg ?: "mount");
8502 _fallthrough_;
8503
8504 case '?':
8505 return -EINVAL;
8506
8507 default:
8508 assert_not_reached("Unhandled option");
8509 }
8510
8511 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8512 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8513 "Cannot access user instance remotely.");
8514
8515 if (arg_wait && arg_no_block)
8516 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8517 "--wait may not be combined with --no-block.");
8518
8519 return 1;
8520 }
8521
8522 static int halt_parse_argv(int argc, char *argv[]) {
8523 enum {
8524 ARG_HELP = 0x100,
8525 ARG_HALT,
8526 ARG_REBOOT,
8527 ARG_NO_WALL
8528 };
8529
8530 static const struct option options[] = {
8531 { "help", no_argument, NULL, ARG_HELP },
8532 { "halt", no_argument, NULL, ARG_HALT },
8533 { "poweroff", no_argument, NULL, 'p' },
8534 { "reboot", no_argument, NULL, ARG_REBOOT },
8535 { "force", no_argument, NULL, 'f' },
8536 { "wtmp-only", no_argument, NULL, 'w' },
8537 { "no-wtmp", no_argument, NULL, 'd' },
8538 { "no-sync", no_argument, NULL, 'n' },
8539 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8540 {}
8541 };
8542
8543 int c, r, runlevel;
8544
8545 assert(argc >= 0);
8546 assert(argv);
8547
8548 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8549 if (IN_SET(runlevel, '0', '6'))
8550 arg_force = 2;
8551
8552 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8553 switch (c) {
8554
8555 case ARG_HELP:
8556 return halt_help();
8557
8558 case ARG_HALT:
8559 arg_action = ACTION_HALT;
8560 break;
8561
8562 case 'p':
8563 if (arg_action != ACTION_REBOOT)
8564 arg_action = ACTION_POWEROFF;
8565 break;
8566
8567 case ARG_REBOOT:
8568 arg_action = ACTION_REBOOT;
8569 break;
8570
8571 case 'f':
8572 arg_force = 2;
8573 break;
8574
8575 case 'w':
8576 arg_dry_run = true;
8577 break;
8578
8579 case 'd':
8580 arg_no_wtmp = true;
8581 break;
8582
8583 case 'n':
8584 arg_no_sync = true;
8585 break;
8586
8587 case ARG_NO_WALL:
8588 arg_no_wall = true;
8589 break;
8590
8591 case 'i':
8592 case 'h':
8593 /* Compatibility nops */
8594 break;
8595
8596 case '?':
8597 return -EINVAL;
8598
8599 default:
8600 assert_not_reached("Unhandled option");
8601 }
8602
8603 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8604 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8605 if (r < 0)
8606 return r;
8607 } else if (optind < argc)
8608 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8609 "Too many arguments.");
8610
8611 return 1;
8612 }
8613
8614 static int shutdown_parse_argv(int argc, char *argv[]) {
8615 enum {
8616 ARG_HELP = 0x100,
8617 ARG_NO_WALL
8618 };
8619
8620 static const struct option options[] = {
8621 { "help", no_argument, NULL, ARG_HELP },
8622 { "halt", no_argument, NULL, 'H' },
8623 { "poweroff", no_argument, NULL, 'P' },
8624 { "reboot", no_argument, NULL, 'r' },
8625 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8626 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8627 {}
8628 };
8629
8630 char **wall = NULL;
8631 int c, r;
8632
8633 assert(argc >= 0);
8634 assert(argv);
8635
8636 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8637 switch (c) {
8638
8639 case ARG_HELP:
8640 return shutdown_help();
8641
8642 case 'H':
8643 arg_action = ACTION_HALT;
8644 break;
8645
8646 case 'P':
8647 arg_action = ACTION_POWEROFF;
8648 break;
8649
8650 case 'r':
8651 if (kexec_loaded())
8652 arg_action = ACTION_KEXEC;
8653 else
8654 arg_action = ACTION_REBOOT;
8655 break;
8656
8657 case 'K':
8658 arg_action = ACTION_KEXEC;
8659 break;
8660
8661 case 'h':
8662 if (arg_action != ACTION_HALT)
8663 arg_action = ACTION_POWEROFF;
8664 break;
8665
8666 case 'k':
8667 arg_dry_run = true;
8668 break;
8669
8670 case ARG_NO_WALL:
8671 arg_no_wall = true;
8672 break;
8673
8674 case 'a':
8675 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8676 case 'f':
8677 case 'F':
8678 /* Compatibility nops */
8679 break;
8680
8681 case 'c':
8682 arg_action = ACTION_CANCEL_SHUTDOWN;
8683 break;
8684
8685 case '?':
8686 return -EINVAL;
8687
8688 default:
8689 assert_not_reached("Unhandled option");
8690 }
8691
8692 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8693 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8694 if (r < 0) {
8695 log_error("Failed to parse time specification: %s", argv[optind]);
8696 return r;
8697 }
8698 } else
8699 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8700
8701 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8702 /* No time argument for shutdown cancel */
8703 wall = argv + optind;
8704 else if (argc > optind + 1)
8705 /* We skip the time argument */
8706 wall = argv + optind + 1;
8707
8708 if (wall) {
8709 arg_wall = strv_copy(wall);
8710 if (!arg_wall)
8711 return log_oom();
8712 }
8713
8714 optind = argc;
8715
8716 return 1;
8717 }
8718
8719 static int telinit_parse_argv(int argc, char *argv[]) {
8720 enum {
8721 ARG_HELP = 0x100,
8722 ARG_NO_WALL
8723 };
8724
8725 static const struct option options[] = {
8726 { "help", no_argument, NULL, ARG_HELP },
8727 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8728 {}
8729 };
8730
8731 static const struct {
8732 char from;
8733 enum action to;
8734 } table[] = {
8735 { '0', ACTION_POWEROFF },
8736 { '6', ACTION_REBOOT },
8737 { '1', ACTION_RESCUE },
8738 { '2', ACTION_RUNLEVEL2 },
8739 { '3', ACTION_RUNLEVEL3 },
8740 { '4', ACTION_RUNLEVEL4 },
8741 { '5', ACTION_RUNLEVEL5 },
8742 { 's', ACTION_RESCUE },
8743 { 'S', ACTION_RESCUE },
8744 { 'q', ACTION_RELOAD },
8745 { 'Q', ACTION_RELOAD },
8746 { 'u', ACTION_REEXEC },
8747 { 'U', ACTION_REEXEC }
8748 };
8749
8750 unsigned i;
8751 int c;
8752
8753 assert(argc >= 0);
8754 assert(argv);
8755
8756 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8757 switch (c) {
8758
8759 case ARG_HELP:
8760 return telinit_help();
8761
8762 case ARG_NO_WALL:
8763 arg_no_wall = true;
8764 break;
8765
8766 case '?':
8767 return -EINVAL;
8768
8769 default:
8770 assert_not_reached("Unhandled option");
8771 }
8772
8773 if (optind >= argc)
8774 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8775 "%s: required argument missing.",
8776 program_invocation_short_name);
8777
8778 if (optind + 1 < argc)
8779 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8780 "Too many arguments.");
8781
8782 if (strlen(argv[optind]) != 1)
8783 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8784 "Expected single character argument.");
8785
8786 for (i = 0; i < ELEMENTSOF(table); i++)
8787 if (table[i].from == argv[optind][0])
8788 break;
8789
8790 if (i >= ELEMENTSOF(table))
8791 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8792 "Unknown command '%s'.", argv[optind]);
8793
8794 arg_action = table[i].to;
8795
8796 optind++;
8797
8798 return 1;
8799 }
8800
8801 static int runlevel_parse_argv(int argc, char *argv[]) {
8802 enum {
8803 ARG_HELP = 0x100,
8804 };
8805
8806 static const struct option options[] = {
8807 { "help", no_argument, NULL, ARG_HELP },
8808 {}
8809 };
8810
8811 int c;
8812
8813 assert(argc >= 0);
8814 assert(argv);
8815
8816 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8817 switch (c) {
8818
8819 case ARG_HELP:
8820 return runlevel_help();
8821
8822 case '?':
8823 return -EINVAL;
8824
8825 default:
8826 assert_not_reached("Unhandled option");
8827 }
8828
8829 if (optind < argc)
8830 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8831 "Too many arguments.");
8832
8833 return 1;
8834 }
8835
8836 static int parse_argv(int argc, char *argv[]) {
8837 assert(argc >= 0);
8838 assert(argv);
8839
8840 if (program_invocation_short_name) {
8841
8842 if (strstr(program_invocation_short_name, "halt")) {
8843 arg_action = ACTION_HALT;
8844 return halt_parse_argv(argc, argv);
8845
8846 } else if (strstr(program_invocation_short_name, "poweroff")) {
8847 arg_action = ACTION_POWEROFF;
8848 return halt_parse_argv(argc, argv);
8849
8850 } else if (strstr(program_invocation_short_name, "reboot")) {
8851 if (kexec_loaded())
8852 arg_action = ACTION_KEXEC;
8853 else
8854 arg_action = ACTION_REBOOT;
8855 return halt_parse_argv(argc, argv);
8856
8857 } else if (strstr(program_invocation_short_name, "shutdown")) {
8858 arg_action = ACTION_POWEROFF;
8859 return shutdown_parse_argv(argc, argv);
8860
8861 } else if (strstr(program_invocation_short_name, "init")) {
8862
8863 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8864 * 1 on SysV.
8865 *
8866 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8867 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8868 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8869 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8870 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8871 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8872 * quick way to match both.
8873 *
8874 * Also see redirect_telinit() in src/core/main.c. */
8875
8876 if (sd_booted() > 0) {
8877 arg_action = _ACTION_INVALID;
8878 return telinit_parse_argv(argc, argv);
8879 } else {
8880 /* Hmm, so some other init system is running, we need to forward this request to
8881 * it. For now we simply guess that it is Upstart. */
8882
8883 (void) rlimit_nofile_safe();
8884 execv(TELINIT, argv);
8885
8886 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8887 "Couldn't find an alternative telinit implementation to spawn.");
8888 }
8889
8890 } else if (strstr(program_invocation_short_name, "runlevel")) {
8891 arg_action = ACTION_RUNLEVEL;
8892 return runlevel_parse_argv(argc, argv);
8893 }
8894 }
8895
8896 arg_action = ACTION_SYSTEMCTL;
8897 return systemctl_parse_argv(argc, argv);
8898 }
8899
8900 #if HAVE_SYSV_COMPAT
8901 _pure_ static int action_to_runlevel(void) {
8902 static const char table[_ACTION_MAX] = {
8903 [ACTION_HALT] = '0',
8904 [ACTION_POWEROFF] = '0',
8905 [ACTION_REBOOT] = '6',
8906 [ACTION_RUNLEVEL2] = '2',
8907 [ACTION_RUNLEVEL3] = '3',
8908 [ACTION_RUNLEVEL4] = '4',
8909 [ACTION_RUNLEVEL5] = '5',
8910 [ACTION_RESCUE] = '1'
8911 };
8912
8913 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8914 return table[arg_action];
8915 }
8916 #endif
8917
8918 static int systemctl_main(int argc, char *argv[]) {
8919 static const Verb verbs[] = {
8920 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8921 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8922 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8923 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8924 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8925 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8926 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8927 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8928 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8929 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8930 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8931 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8932 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8933 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8934 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8935 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8936 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8937 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8938 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8939 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8940 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8941 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8942 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_unit },
8943 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8944 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8945 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8946 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8947 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8948 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8949 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8950 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8951 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8952 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8953 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8954 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8955 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8956 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8957 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8958 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8959 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8960 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8961 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8962 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8963 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8964 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8965 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8966 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8967 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8968 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8969 { "enable", 2, VERB_ANY, 0, enable_unit },
8970 { "disable", 2, VERB_ANY, 0, enable_unit },
8971 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8972 { "reenable", 2, VERB_ANY, 0, enable_unit },
8973 { "preset", 2, VERB_ANY, 0, enable_unit },
8974 { "preset-all", VERB_ANY, 1, 0, preset_all },
8975 { "mask", 2, VERB_ANY, 0, enable_unit },
8976 { "unmask", 2, VERB_ANY, 0, enable_unit },
8977 { "link", 2, VERB_ANY, 0, enable_unit },
8978 { "revert", 2, VERB_ANY, 0, enable_unit },
8979 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8980 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8981 { "set-default", 2, 2, 0, set_default },
8982 { "get-default", VERB_ANY, 1, 0, get_default },
8983 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8984 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8985 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8986 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8987 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8988 {}
8989 };
8990
8991 return dispatch_verb(argc, argv, verbs, NULL);
8992 }
8993
8994 static int reload_with_fallback(void) {
8995 /* First, try systemd via D-Bus. */
8996 if (daemon_reload(0, NULL, NULL) >= 0)
8997 return 0;
8998
8999 /* Nothing else worked, so let's try signals */
9000 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
9001
9002 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
9003 return log_error_errno(errno, "kill() failed: %m");
9004
9005 return 0;
9006 }
9007
9008 static int start_with_fallback(void) {
9009 /* First, try systemd via D-Bus. */
9010 if (start_unit(0, NULL, NULL) == 0)
9011 return 0;
9012
9013 #if HAVE_SYSV_COMPAT
9014 /* Nothing else worked, so let's try /dev/initctl */
9015 if (talk_initctl(action_to_runlevel()) > 0)
9016 return 0;
9017 #endif
9018
9019 return log_error_errno(SYNTHETIC_ERRNO(EIO),
9020 "Failed to talk to init daemon.");
9021 }
9022
9023 static int halt_now(enum action a) {
9024 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
9025 * synced explicitly in advance. */
9026 if (!arg_no_sync && !arg_dry_run)
9027 (void) sync();
9028
9029 /* Make sure C-A-D is handled by the kernel from this point on... */
9030 if (!arg_dry_run)
9031 (void) reboot(RB_ENABLE_CAD);
9032
9033 switch (a) {
9034
9035 case ACTION_HALT:
9036 if (!arg_quiet)
9037 log_info("Halting.");
9038 if (arg_dry_run)
9039 return 0;
9040 (void) reboot(RB_HALT_SYSTEM);
9041 return -errno;
9042
9043 case ACTION_POWEROFF:
9044 if (!arg_quiet)
9045 log_info("Powering off.");
9046 if (arg_dry_run)
9047 return 0;
9048 (void) reboot(RB_POWER_OFF);
9049 return -errno;
9050
9051 case ACTION_KEXEC:
9052 case ACTION_REBOOT:
9053 return reboot_with_parameter(REBOOT_FALLBACK |
9054 (arg_quiet ? 0 : REBOOT_LOG) |
9055 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9056
9057 default:
9058 assert_not_reached("Unknown action.");
9059 }
9060 }
9061
9062 static int logind_schedule_shutdown(void) {
9063
9064 #if ENABLE_LOGIND
9065 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9066 char date[FORMAT_TIMESTAMP_MAX];
9067 const char *action;
9068 sd_bus *bus;
9069 int r;
9070
9071 r = acquire_bus(BUS_FULL, &bus);
9072 if (r < 0)
9073 return r;
9074
9075 switch (arg_action) {
9076 case ACTION_HALT:
9077 action = "halt";
9078 break;
9079 case ACTION_POWEROFF:
9080 action = "poweroff";
9081 break;
9082 case ACTION_KEXEC:
9083 action = "kexec";
9084 break;
9085 case ACTION_EXIT:
9086 action = "exit";
9087 break;
9088 case ACTION_REBOOT:
9089 default:
9090 action = "reboot";
9091 break;
9092 }
9093
9094 if (arg_dry_run)
9095 action = strjoina("dry-", action);
9096
9097 (void) logind_set_wall_message();
9098
9099 r = sd_bus_call_method(
9100 bus,
9101 "org.freedesktop.login1",
9102 "/org/freedesktop/login1",
9103 "org.freedesktop.login1.Manager",
9104 "ScheduleShutdown",
9105 &error,
9106 NULL,
9107 "st",
9108 action,
9109 arg_when);
9110 if (r < 0)
9111 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9112
9113 if (!arg_quiet)
9114 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9115 return 0;
9116 #else
9117 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9118 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9119 #endif
9120 }
9121
9122 static int halt_main(void) {
9123 int r;
9124
9125 r = logind_check_inhibitors(arg_action);
9126 if (r < 0)
9127 return r;
9128
9129 /* Delayed shutdown requested, and was successful */
9130 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9131 return 0;
9132 /* no delay, or logind failed or is not at all available */
9133
9134 if (geteuid() != 0) {
9135 if (arg_dry_run || arg_force > 0) {
9136 (void) must_be_root();
9137 return -EPERM;
9138 }
9139
9140 /* Try logind if we are a normal user and no special
9141 * mode applies. Maybe polkit allows us to shutdown
9142 * the machine. */
9143 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9144 r = logind_reboot(arg_action);
9145 if (r >= 0)
9146 return r;
9147 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9148 /* requested operation is not
9149 * supported on the local system or
9150 * already in progress */
9151 return r;
9152 /* on all other errors, try low-level operation */
9153 }
9154 }
9155
9156 /* In order to minimize the difference between operation with and
9157 * without logind, we explicitly enable non-blocking mode for this,
9158 * as logind's shutdown operations are always non-blocking. */
9159 arg_no_block = true;
9160
9161 if (!arg_dry_run && !arg_force)
9162 return start_with_fallback();
9163
9164 assert(geteuid() == 0);
9165
9166 if (!arg_no_wtmp) {
9167 if (sd_booted() > 0)
9168 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9169 else {
9170 r = utmp_put_shutdown();
9171 if (r < 0)
9172 log_warning_errno(r, "Failed to write utmp record: %m");
9173 }
9174 }
9175
9176 if (arg_dry_run)
9177 return 0;
9178
9179 r = halt_now(arg_action);
9180 return log_error_errno(r, "Failed to reboot: %m");
9181 }
9182
9183 static int runlevel_main(void) {
9184 int r, runlevel, previous;
9185
9186 r = utmp_get_runlevel(&runlevel, &previous);
9187 if (r < 0) {
9188 puts("unknown");
9189 return r;
9190 }
9191
9192 printf("%c %c\n",
9193 previous <= 0 ? 'N' : previous,
9194 runlevel <= 0 ? 'N' : runlevel);
9195
9196 return 0;
9197 }
9198
9199 static int logind_cancel_shutdown(void) {
9200 #if ENABLE_LOGIND
9201 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9202 sd_bus *bus;
9203 int r;
9204
9205 r = acquire_bus(BUS_FULL, &bus);
9206 if (r < 0)
9207 return r;
9208
9209 (void) logind_set_wall_message();
9210
9211 r = sd_bus_call_method(
9212 bus,
9213 "org.freedesktop.login1",
9214 "/org/freedesktop/login1",
9215 "org.freedesktop.login1.Manager",
9216 "CancelScheduledShutdown",
9217 &error,
9218 NULL, NULL);
9219 if (r < 0)
9220 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9221
9222 return 0;
9223 #else
9224 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9225 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9226 #endif
9227 }
9228
9229 static int run(int argc, char *argv[]) {
9230 int r;
9231
9232 setlocale(LC_ALL, "");
9233 log_parse_environment();
9234 log_open();
9235
9236 /* The journal merging logic potentially needs a lot of fds. */
9237 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9238
9239 sigbus_install();
9240
9241 /* Explicitly not on_tty() to avoid setting cached value.
9242 * This becomes relevant for piping output which might be
9243 * ellipsized. */
9244 original_stdout_is_tty = isatty(STDOUT_FILENO);
9245
9246 r = parse_argv(argc, argv);
9247 if (r <= 0)
9248 goto finish;
9249
9250 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9251 if (!arg_quiet)
9252 log_info("Running in chroot, ignoring request.");
9253 r = 0;
9254 goto finish;
9255 }
9256
9257 /* systemctl_main() will print an error message for the bus
9258 * connection, but only if it needs to */
9259
9260 switch (arg_action) {
9261
9262 case ACTION_SYSTEMCTL:
9263 r = systemctl_main(argc, argv);
9264 break;
9265
9266 /* Legacy command aliases set arg_action. They provide some fallbacks,
9267 * e.g. to tell sysvinit to reboot after you have installed systemd
9268 * binaries. */
9269
9270 case ACTION_HALT:
9271 case ACTION_POWEROFF:
9272 case ACTION_REBOOT:
9273 case ACTION_KEXEC:
9274 r = halt_main();
9275 break;
9276
9277 case ACTION_RUNLEVEL2:
9278 case ACTION_RUNLEVEL3:
9279 case ACTION_RUNLEVEL4:
9280 case ACTION_RUNLEVEL5:
9281 case ACTION_RESCUE:
9282 r = start_with_fallback();
9283 break;
9284
9285 case ACTION_RELOAD:
9286 case ACTION_REEXEC:
9287 r = reload_with_fallback();
9288 break;
9289
9290 case ACTION_CANCEL_SHUTDOWN:
9291 r = logind_cancel_shutdown();
9292 break;
9293
9294 case ACTION_RUNLEVEL:
9295 r = runlevel_main();
9296 break;
9297
9298 case ACTION_EXIT:
9299 case ACTION_SUSPEND:
9300 case ACTION_HIBERNATE:
9301 case ACTION_HYBRID_SLEEP:
9302 case ACTION_SUSPEND_THEN_HIBERNATE:
9303 case ACTION_EMERGENCY:
9304 case ACTION_DEFAULT:
9305 /* systemctl verbs with no equivalent in the legacy commands.
9306 * These cannot appear in arg_action. Fall through. */
9307
9308 case _ACTION_INVALID:
9309 default:
9310 assert_not_reached("Unknown action");
9311 }
9312
9313 finish:
9314 release_busses();
9315
9316 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9317 return r;
9318 }
9319
9320 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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