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