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