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Merge pull request #8271 from poettering/unit-prefix-search
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 /***
3 This file is part of systemd.
4
5 Copyright 2010 Lennart Poettering
6 Copyright 2013 Marc-Antoine Perennou
7 ***/
8
9 #include <errno.h>
10 #include <fcntl.h>
11 #include <getopt.h>
12 #include <locale.h>
13 #include <stdbool.h>
14 #include <stddef.h>
15 #include <stdio.h>
16 #include <string.h>
17 #include <sys/prctl.h>
18 #include <sys/reboot.h>
19 #include <sys/socket.h>
20 #include <unistd.h>
21
22 #include "sd-bus.h"
23 #include "sd-daemon.h"
24 #include "sd-login.h"
25
26 #include "alloc-util.h"
27 #include "bootspec.h"
28 #include "bus-common-errors.h"
29 #include "bus-error.h"
30 #include "bus-message.h"
31 #include "bus-unit-util.h"
32 #include "bus-util.h"
33 #include "cgroup-show.h"
34 #include "cgroup-util.h"
35 #include "copy.h"
36 #include "dropin.h"
37 #include "efivars.h"
38 #include "env-util.h"
39 #include "escape.h"
40 #include "exit-status.h"
41 #include "fd-util.h"
42 #include "fileio.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 "initreq.h"
49 #include "install.h"
50 #include "io-util.h"
51 #include "list.h"
52 #include "locale-util.h"
53 #include "log.h"
54 #include "logs-show.h"
55 #include "macro.h"
56 #include "mkdir.h"
57 #include "pager.h"
58 #include "parse-util.h"
59 #include "path-lookup.h"
60 #include "path-util.h"
61 #include "process-util.h"
62 #include "reboot-util.h"
63 #include "rlimit-util.h"
64 #include "set.h"
65 #include "sigbus.h"
66 #include "signal-util.h"
67 #include "socket-util.h"
68 #include "spawn-ask-password-agent.h"
69 #include "spawn-polkit-agent.h"
70 #include "special.h"
71 #include "stat-util.h"
72 #include "string-table.h"
73 #include "strv.h"
74 #include "terminal-util.h"
75 #include "unit-def.h"
76 #include "unit-name.h"
77 #include "user-util.h"
78 #include "util.h"
79 #include "utmp-wtmp.h"
80 #include "verbs.h"
81 #include "virt.h"
82
83 /* The init script exit status codes
84 0 program is running or service is OK
85 1 program is dead and /var/run pid file exists
86 2 program is dead and /var/lock lock file exists
87 3 program is not running
88 4 program or service status is unknown
89 5-99 reserved for future LSB use
90 100-149 reserved for distribution use
91 150-199 reserved for application use
92 200-254 reserved
93 */
94 enum {
95 EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0,
96 EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1,
97 EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2,
98 EXIT_PROGRAM_NOT_RUNNING = 3,
99 EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4,
100 };
101
102 static char **arg_types = NULL;
103 static char **arg_states = NULL;
104 static char **arg_properties = NULL;
105 static bool arg_all = false;
106 static enum dependency {
107 DEPENDENCY_FORWARD,
108 DEPENDENCY_REVERSE,
109 DEPENDENCY_AFTER,
110 DEPENDENCY_BEFORE,
111 _DEPENDENCY_MAX
112 } arg_dependency = DEPENDENCY_FORWARD;
113 static const char *arg_job_mode = "replace";
114 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
115 static bool arg_wait = false;
116 static bool arg_no_block = false;
117 static bool arg_no_legend = false;
118 static bool arg_no_pager = false;
119 static bool arg_no_wtmp = false;
120 static bool arg_no_sync = false;
121 static bool arg_no_wall = false;
122 static bool arg_no_reload = false;
123 static bool arg_value = false;
124 static bool arg_show_types = false;
125 static bool arg_ignore_inhibitors = false;
126 static bool arg_dry_run = false;
127 static bool arg_quiet = false;
128 static bool arg_full = false;
129 static bool arg_recursive = false;
130 static int arg_force = 0;
131 static bool arg_ask_password = false;
132 static bool arg_runtime = false;
133 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
134 static char **arg_wall = NULL;
135 static const char *arg_kill_who = NULL;
136 static int arg_signal = SIGTERM;
137 static char *arg_root = NULL;
138 static usec_t arg_when = 0;
139 static char *arg_esp_path = NULL;
140 static char *argv_cmdline = NULL;
141 static enum action {
142 ACTION_SYSTEMCTL,
143 ACTION_HALT,
144 ACTION_POWEROFF,
145 ACTION_REBOOT,
146 ACTION_KEXEC,
147 ACTION_EXIT,
148 ACTION_SUSPEND,
149 ACTION_HIBERNATE,
150 ACTION_HYBRID_SLEEP,
151 ACTION_SUSPEND_THEN_HIBERNATE,
152 ACTION_RUNLEVEL2,
153 ACTION_RUNLEVEL3,
154 ACTION_RUNLEVEL4,
155 ACTION_RUNLEVEL5,
156 ACTION_RESCUE,
157 ACTION_EMERGENCY,
158 ACTION_DEFAULT,
159 ACTION_RELOAD,
160 ACTION_REEXEC,
161 ACTION_RUNLEVEL,
162 ACTION_CANCEL_SHUTDOWN,
163 _ACTION_MAX,
164 _ACTION_INVALID = -1
165 } arg_action = ACTION_SYSTEMCTL;
166 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
167 static const char *arg_host = NULL;
168 static unsigned arg_lines = 10;
169 static OutputMode arg_output = OUTPUT_SHORT;
170 static bool arg_plain = false;
171 static bool arg_firmware_setup = false;
172 static bool arg_now = false;
173 static bool arg_jobs_before = false;
174 static bool arg_jobs_after = false;
175
176 static int daemon_reload(int argc, char *argv[], void* userdata);
177 static int trivial_method(int argc, char *argv[], void *userdata);
178 static int halt_now(enum action a);
179 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
180
181 static bool original_stdout_is_tty;
182
183 typedef enum BusFocus {
184 BUS_FULL, /* The full bus indicated via --system or --user */
185 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
186 _BUS_FOCUS_MAX
187 } BusFocus;
188
189 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
190
191 static UnitFileFlags args_to_flags(void) {
192 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
193 (arg_force ? UNIT_FILE_FORCE : 0);
194 }
195
196 static int acquire_bus(BusFocus focus, sd_bus **ret) {
197 int r;
198
199 assert(focus < _BUS_FOCUS_MAX);
200 assert(ret);
201
202 /* We only go directly to the manager, if we are using a local transport */
203 if (arg_transport != BUS_TRANSPORT_LOCAL)
204 focus = BUS_FULL;
205
206 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
207 focus = BUS_FULL;
208
209 if (!busses[focus]) {
210 bool user;
211
212 user = arg_scope != UNIT_FILE_SYSTEM;
213
214 if (!user && sd_booted() <= 0) {
215 /* Print a friendly message when the local system is actually not running systemd as PID 1. */
216 log_error("System has not been booted with systemd as init system (PID 1). Can't operate.");
217 return -EHOSTDOWN;
218 }
219
220 if (focus == BUS_MANAGER)
221 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
222 else
223 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
224 if (r < 0)
225 return log_error_errno(r, "Failed to connect to bus: %m");
226
227 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
228 }
229
230 *ret = busses[focus];
231 return 0;
232 }
233
234 static void release_busses(void) {
235 BusFocus w;
236
237 for (w = 0; w < _BUS_FOCUS_MAX; w++)
238 busses[w] = sd_bus_flush_close_unref(busses[w]);
239 }
240
241 static void ask_password_agent_open_if_enabled(void) {
242
243 /* Open the password agent as a child process if necessary */
244
245 if (arg_dry_run)
246 return;
247
248 if (!arg_ask_password)
249 return;
250
251 if (arg_scope != UNIT_FILE_SYSTEM)
252 return;
253
254 if (arg_transport != BUS_TRANSPORT_LOCAL)
255 return;
256
257 ask_password_agent_open();
258 }
259
260 static void polkit_agent_open_maybe(void) {
261 /* Open the polkit agent as a child process if necessary */
262
263 if (arg_scope != UNIT_FILE_SYSTEM)
264 return;
265
266 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
267 }
268
269 static OutputFlags get_output_flags(void) {
270 return
271 arg_all * OUTPUT_SHOW_ALL |
272 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
273 colors_enabled() * OUTPUT_COLOR |
274 !arg_quiet * OUTPUT_WARN_CUTOFF;
275 }
276
277 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
278 assert(error);
279
280 if (!sd_bus_error_is_set(error))
281 return r;
282
283 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
284 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
285 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
286 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
287 return EXIT_NOPERMISSION;
288
289 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
290 return EXIT_NOTINSTALLED;
291
292 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
293 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
294 return EXIT_NOTIMPLEMENTED;
295
296 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
297 return EXIT_NOTCONFIGURED;
298
299 if (r != 0)
300 return r;
301
302 return EXIT_FAILURE;
303 }
304
305 static bool install_client_side(void) {
306
307 /* Decides when to execute enable/disable/... operations
308 * client-side rather than server-side. */
309
310 if (running_in_chroot_or_offline())
311 return true;
312
313 if (sd_booted() <= 0)
314 return true;
315
316 if (!isempty(arg_root))
317 return true;
318
319 if (arg_scope == UNIT_FILE_GLOBAL)
320 return true;
321
322 /* Unsupported environment variable, mostly for debugging purposes */
323 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
324 return true;
325
326 return false;
327 }
328
329 static int compare_unit_info(const void *a, const void *b) {
330 const UnitInfo *u = a, *v = b;
331 const char *d1, *d2;
332 int r;
333
334 /* First, order by machine */
335 if (!u->machine && v->machine)
336 return -1;
337 if (u->machine && !v->machine)
338 return 1;
339 if (u->machine && v->machine) {
340 r = strcasecmp(u->machine, v->machine);
341 if (r != 0)
342 return r;
343 }
344
345 /* Second, order by unit type */
346 d1 = strrchr(u->id, '.');
347 d2 = strrchr(v->id, '.');
348 if (d1 && d2) {
349 r = strcasecmp(d1, d2);
350 if (r != 0)
351 return r;
352 }
353
354 /* Third, order by name */
355 return strcasecmp(u->id, v->id);
356 }
357
358 static const char* unit_type_suffix(const char *name) {
359 const char *dot;
360
361 dot = strrchr(name, '.');
362 if (!dot)
363 return "";
364
365 return dot + 1;
366 }
367
368 static bool output_show_unit(const UnitInfo *u, char **patterns) {
369 assert(u);
370
371 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
372 return false;
373
374 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
375 return false;
376
377 if (arg_all)
378 return true;
379
380 /* Note that '--all' is not purely a state filter, but also a
381 * filter that hides units that "follow" other units (which is
382 * used for device units that appear under different names). */
383 if (!isempty(u->following))
384 return false;
385
386 if (!strv_isempty(arg_states))
387 return true;
388
389 /* By default show all units except the ones in inactive
390 * state and with no pending job */
391 if (u->job_id > 0)
392 return true;
393
394 if (streq(u->active_state, "inactive"))
395 return false;
396
397 return true;
398 }
399
400 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
401 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
402 const UnitInfo *u;
403 unsigned n_shown = 0;
404 int job_count = 0;
405
406 max_id_len = STRLEN("UNIT");
407 load_len = STRLEN("LOAD");
408 active_len = STRLEN("ACTIVE");
409 sub_len = STRLEN("SUB");
410 job_len = STRLEN("JOB");
411 max_desc_len = STRLEN("DESCRIPTION");
412
413 for (u = unit_infos; u < unit_infos + c; u++) {
414 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
415 load_len = MAX(load_len, strlen(u->load_state));
416 active_len = MAX(active_len, strlen(u->active_state));
417 sub_len = MAX(sub_len, strlen(u->sub_state));
418 max_desc_len = MAX(max_desc_len, strlen(u->description));
419
420 if (u->job_id != 0) {
421 job_len = MAX(job_len, strlen(u->job_type));
422 job_count++;
423 }
424
425 if (!arg_no_legend &&
426 (streq(u->active_state, "failed") ||
427 STR_IN_SET(u->load_state, "error", "not-found", "masked")))
428 circle_len = 2;
429 }
430
431 if (!arg_full && original_stdout_is_tty) {
432 unsigned basic_len;
433
434 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
435 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
436
437 if (job_count)
438 basic_len += job_len + 1;
439
440 if (basic_len < (unsigned) columns()) {
441 unsigned extra_len, incr;
442 extra_len = columns() - basic_len;
443
444 /* Either UNIT already got 25, or is fully satisfied.
445 * Grant up to 25 to DESC now. */
446 incr = MIN(extra_len, 25u);
447 desc_len = incr;
448 extra_len -= incr;
449
450 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
451 * description but not more than it needs. */
452 if (extra_len > 0) {
453 incr = MIN(max_id_len - id_len, extra_len);
454 id_len += incr;
455 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
456 }
457 } else
458 desc_len = 0;
459 } else {
460 id_len = max_id_len;
461 desc_len = max_desc_len;
462 }
463
464 for (u = unit_infos; u < unit_infos + c; u++) {
465 _cleanup_free_ char *e = NULL, *j = NULL;
466 const char *on_underline = "", *off_underline = "";
467 const char *on_loaded = "", *off_loaded = "";
468 const char *on_active = "", *off_active = "";
469 const char *on_circle = "", *off_circle = "";
470 const char *id;
471 bool circle = false, underline = false;
472
473 if (!n_shown && !arg_no_legend) {
474
475 if (circle_len > 0)
476 fputs(" ", stdout);
477
478 printf("%s%-*s %-*s %-*s %-*s ",
479 ansi_underline(),
480 id_len, "UNIT",
481 load_len, "LOAD",
482 active_len, "ACTIVE",
483 sub_len, "SUB");
484
485 if (job_count)
486 printf("%-*s ", job_len, "JOB");
487
488 printf("%-*.*s%s\n",
489 desc_len,
490 !arg_full && arg_no_pager ? (int) desc_len : -1,
491 "DESCRIPTION",
492 ansi_normal());
493 }
494
495 n_shown++;
496
497 if (u + 1 < unit_infos + c &&
498 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
499 on_underline = ansi_underline();
500 off_underline = ansi_normal();
501 underline = true;
502 }
503
504 if (STR_IN_SET(u->load_state, "error", "not-found", "masked") && !arg_plain) {
505 on_circle = ansi_highlight_yellow();
506 off_circle = ansi_normal();
507 circle = true;
508 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
509 off_loaded = underline ? on_underline : ansi_normal();
510 } else if (streq(u->active_state, "failed") && !arg_plain) {
511 on_circle = ansi_highlight_red();
512 off_circle = ansi_normal();
513 circle = true;
514 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
515 off_active = underline ? on_underline : ansi_normal();
516 }
517
518 if (u->machine) {
519 j = strjoin(u->machine, ":", u->id);
520 if (!j)
521 return log_oom();
522
523 id = j;
524 } else
525 id = u->id;
526
527 if (arg_full) {
528 e = ellipsize(id, id_len, 33);
529 if (!e)
530 return log_oom();
531
532 id = e;
533 }
534
535 if (circle_len > 0)
536 printf("%s%s%s ", on_circle, circle ? special_glyph(BLACK_CIRCLE) : " ", off_circle);
537
538 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
539 on_underline,
540 on_active, id_len, id, off_active,
541 on_loaded, load_len, u->load_state, off_loaded,
542 on_active, active_len, u->active_state,
543 sub_len, u->sub_state, off_active,
544 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
545
546 printf("%-*.*s%s\n",
547 desc_len,
548 !arg_full && arg_no_pager ? (int) desc_len : -1,
549 u->description,
550 off_underline);
551 }
552
553 if (!arg_no_legend) {
554 const char *on, *off;
555
556 if (n_shown) {
557 puts("\n"
558 "LOAD = Reflects whether the unit definition was properly loaded.\n"
559 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
560 "SUB = The low-level unit activation state, values depend on unit type.");
561 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
562 on = ansi_highlight();
563 off = ansi_normal();
564 } else {
565 on = ansi_highlight_red();
566 off = ansi_normal();
567 }
568
569 if (arg_all)
570 printf("%s%u loaded units listed.%s\n"
571 "To show all installed unit files use 'systemctl list-unit-files'.\n",
572 on, n_shown, off);
573 else
574 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
575 "To show all installed unit files use 'systemctl list-unit-files'.\n",
576 on, n_shown, off);
577 }
578
579 return 0;
580 }
581
582 static int get_unit_list(
583 sd_bus *bus,
584 const char *machine,
585 char **patterns,
586 UnitInfo **unit_infos,
587 int c,
588 sd_bus_message **_reply) {
589
590 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
591 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
592 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
593 size_t size = c;
594 int r;
595 UnitInfo u;
596 bool fallback = false;
597
598 assert(bus);
599 assert(unit_infos);
600 assert(_reply);
601
602 r = sd_bus_message_new_method_call(
603 bus,
604 &m,
605 "org.freedesktop.systemd1",
606 "/org/freedesktop/systemd1",
607 "org.freedesktop.systemd1.Manager",
608 "ListUnitsByPatterns");
609 if (r < 0)
610 return bus_log_create_error(r);
611
612 r = sd_bus_message_append_strv(m, arg_states);
613 if (r < 0)
614 return bus_log_create_error(r);
615
616 r = sd_bus_message_append_strv(m, patterns);
617 if (r < 0)
618 return bus_log_create_error(r);
619
620 r = sd_bus_call(bus, m, 0, &error, &reply);
621 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
622 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
623 /* Fallback to legacy ListUnitsFiltered method */
624 fallback = true;
625 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
626 m = sd_bus_message_unref(m);
627 sd_bus_error_free(&error);
628
629 r = sd_bus_message_new_method_call(
630 bus,
631 &m,
632 "org.freedesktop.systemd1",
633 "/org/freedesktop/systemd1",
634 "org.freedesktop.systemd1.Manager",
635 "ListUnitsFiltered");
636 if (r < 0)
637 return bus_log_create_error(r);
638
639 r = sd_bus_message_append_strv(m, arg_states);
640 if (r < 0)
641 return bus_log_create_error(r);
642
643 r = sd_bus_call(bus, m, 0, &error, &reply);
644 }
645 if (r < 0)
646 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
647
648 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
649 if (r < 0)
650 return bus_log_parse_error(r);
651
652 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
653 u.machine = machine;
654
655 if (!output_show_unit(&u, fallback ? patterns : NULL))
656 continue;
657
658 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
659 return log_oom();
660
661 (*unit_infos)[c++] = u;
662 }
663 if (r < 0)
664 return bus_log_parse_error(r);
665
666 r = sd_bus_message_exit_container(reply);
667 if (r < 0)
668 return bus_log_parse_error(r);
669
670 *_reply = TAKE_PTR(reply);
671
672 return c;
673 }
674
675 static void message_set_freep(Set **set) {
676 set_free_with_destructor(*set, sd_bus_message_unref);
677 }
678
679 static int get_unit_list_recursive(
680 sd_bus *bus,
681 char **patterns,
682 UnitInfo **_unit_infos,
683 Set **_replies,
684 char ***_machines) {
685
686 _cleanup_free_ UnitInfo *unit_infos = NULL;
687 _cleanup_(message_set_freep) Set *replies;
688 sd_bus_message *reply;
689 int c, r;
690
691 assert(bus);
692 assert(_replies);
693 assert(_unit_infos);
694 assert(_machines);
695
696 replies = set_new(NULL);
697 if (!replies)
698 return log_oom();
699
700 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
701 if (c < 0)
702 return c;
703
704 r = set_put(replies, reply);
705 if (r < 0) {
706 sd_bus_message_unref(reply);
707 return log_oom();
708 }
709
710 if (arg_recursive) {
711 _cleanup_strv_free_ char **machines = NULL;
712 char **i;
713
714 r = sd_get_machine_names(&machines);
715 if (r < 0)
716 return log_error_errno(r, "Failed to get machine names: %m");
717
718 STRV_FOREACH(i, machines) {
719 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
720 int k;
721
722 r = sd_bus_open_system_machine(&container, *i);
723 if (r < 0) {
724 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
725 continue;
726 }
727
728 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
729 if (k < 0)
730 return k;
731
732 c = k;
733
734 r = set_put(replies, reply);
735 if (r < 0) {
736 sd_bus_message_unref(reply);
737 return log_oom();
738 }
739 }
740
741 *_machines = TAKE_PTR(machines);
742 } else
743 *_machines = NULL;
744
745 *_unit_infos = TAKE_PTR(unit_infos);
746
747 *_replies = TAKE_PTR(replies);
748
749 return c;
750 }
751
752 static int list_units(int argc, char *argv[], void *userdata) {
753 _cleanup_free_ UnitInfo *unit_infos = NULL;
754 _cleanup_(message_set_freep) Set *replies = NULL;
755 _cleanup_strv_free_ char **machines = NULL;
756 sd_bus *bus;
757 int r;
758
759 r = acquire_bus(BUS_MANAGER, &bus);
760 if (r < 0)
761 return r;
762
763 (void) pager_open(arg_no_pager, false);
764
765 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
766 if (r < 0)
767 return r;
768
769 qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
770 return output_units_list(unit_infos, r);
771 }
772
773 static int get_triggered_units(
774 sd_bus *bus,
775 const char* path,
776 char*** ret) {
777
778 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
779 int r;
780
781 assert(bus);
782 assert(path);
783 assert(ret);
784
785 r = sd_bus_get_property_strv(
786 bus,
787 "org.freedesktop.systemd1",
788 path,
789 "org.freedesktop.systemd1.Unit",
790 "Triggers",
791 &error,
792 ret);
793 if (r < 0)
794 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
795
796 return 0;
797 }
798
799 static int get_listening(
800 sd_bus *bus,
801 const char* unit_path,
802 char*** listening) {
803
804 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
805 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
806 const char *type, *path;
807 int r, n = 0;
808
809 r = sd_bus_get_property(
810 bus,
811 "org.freedesktop.systemd1",
812 unit_path,
813 "org.freedesktop.systemd1.Socket",
814 "Listen",
815 &error,
816 &reply,
817 "a(ss)");
818 if (r < 0)
819 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
820
821 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
822 if (r < 0)
823 return bus_log_parse_error(r);
824
825 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
826
827 r = strv_extend(listening, type);
828 if (r < 0)
829 return log_oom();
830
831 r = strv_extend(listening, path);
832 if (r < 0)
833 return log_oom();
834
835 n++;
836 }
837 if (r < 0)
838 return bus_log_parse_error(r);
839
840 r = sd_bus_message_exit_container(reply);
841 if (r < 0)
842 return bus_log_parse_error(r);
843
844 return n;
845 }
846
847 struct socket_info {
848 const char *machine;
849 const char* id;
850
851 char* type;
852 char* path;
853
854 /* Note: triggered is a list here, although it almost certainly
855 * will always be one unit. Nevertheless, dbus API allows for multiple
856 * values, so let's follow that. */
857 char** triggered;
858
859 /* The strv above is shared. free is set only in the first one. */
860 bool own_triggered;
861 };
862
863 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
864 int o;
865
866 assert(a);
867 assert(b);
868
869 if (!a->machine && b->machine)
870 return -1;
871 if (a->machine && !b->machine)
872 return 1;
873 if (a->machine && b->machine) {
874 o = strcasecmp(a->machine, b->machine);
875 if (o != 0)
876 return o;
877 }
878
879 o = strcmp(a->path, b->path);
880 if (o == 0)
881 o = strcmp(a->type, b->type);
882
883 return o;
884 }
885
886 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
887 struct socket_info *s;
888 unsigned pathlen = STRLEN("LISTEN"),
889 typelen = STRLEN("TYPE") * arg_show_types,
890 socklen = STRLEN("UNIT"),
891 servlen = STRLEN("ACTIVATES");
892 const char *on, *off;
893
894 for (s = socket_infos; s < socket_infos + cs; s++) {
895 unsigned tmp = 0;
896 char **a;
897
898 socklen = MAX(socklen, strlen(s->id));
899 if (arg_show_types)
900 typelen = MAX(typelen, strlen(s->type));
901 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
902
903 STRV_FOREACH(a, s->triggered)
904 tmp += strlen(*a) + 2*(a != s->triggered);
905 servlen = MAX(servlen, tmp);
906 }
907
908 if (cs) {
909 if (!arg_no_legend)
910 printf("%-*s %-*.*s%-*s %s\n",
911 pathlen, "LISTEN",
912 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
913 socklen, "UNIT",
914 "ACTIVATES");
915
916 for (s = socket_infos; s < socket_infos + cs; s++) {
917 _cleanup_free_ char *j = NULL;
918 const char *path;
919 char **a;
920
921 if (s->machine) {
922 j = strjoin(s->machine, ":", s->path);
923 if (!j)
924 return log_oom();
925 path = j;
926 } else
927 path = s->path;
928
929 if (arg_show_types)
930 printf("%-*s %-*s %-*s",
931 pathlen, path, typelen, s->type, socklen, s->id);
932 else
933 printf("%-*s %-*s",
934 pathlen, path, socklen, s->id);
935 STRV_FOREACH(a, s->triggered)
936 printf("%s %s",
937 a == s->triggered ? "" : ",", *a);
938 printf("\n");
939 }
940
941 on = ansi_highlight();
942 off = ansi_normal();
943 if (!arg_no_legend)
944 printf("\n");
945 } else {
946 on = ansi_highlight_red();
947 off = ansi_normal();
948 }
949
950 if (!arg_no_legend) {
951 printf("%s%u sockets listed.%s\n", on, cs, off);
952 if (!arg_all)
953 printf("Pass --all to see loaded but inactive sockets, too.\n");
954 }
955
956 return 0;
957 }
958
959 static int list_sockets(int argc, char *argv[], void *userdata) {
960 _cleanup_(message_set_freep) Set *replies = NULL;
961 _cleanup_strv_free_ char **machines = NULL;
962 _cleanup_free_ UnitInfo *unit_infos = NULL;
963 _cleanup_free_ struct socket_info *socket_infos = NULL;
964 const UnitInfo *u;
965 struct socket_info *s;
966 unsigned cs = 0;
967 size_t size = 0;
968 int r = 0, n;
969 sd_bus *bus;
970
971 r = acquire_bus(BUS_MANAGER, &bus);
972 if (r < 0)
973 return r;
974
975 (void) pager_open(arg_no_pager, false);
976
977 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
978 if (n < 0)
979 return n;
980
981 for (u = unit_infos; u < unit_infos + n; u++) {
982 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
983 int i, c;
984
985 if (!endswith(u->id, ".socket"))
986 continue;
987
988 r = get_triggered_units(bus, u->unit_path, &triggered);
989 if (r < 0)
990 goto cleanup;
991
992 c = get_listening(bus, u->unit_path, &listening);
993 if (c < 0) {
994 r = c;
995 goto cleanup;
996 }
997
998 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
999 r = log_oom();
1000 goto cleanup;
1001 }
1002
1003 for (i = 0; i < c; i++)
1004 socket_infos[cs + i] = (struct socket_info) {
1005 .machine = u->machine,
1006 .id = u->id,
1007 .type = listening[i*2],
1008 .path = listening[i*2 + 1],
1009 .triggered = triggered,
1010 .own_triggered = i==0,
1011 };
1012
1013 /* from this point on we will cleanup those socket_infos */
1014 cs += c;
1015 free(listening);
1016 listening = triggered = NULL; /* avoid cleanup */
1017 }
1018
1019 qsort_safe(socket_infos, cs, sizeof(struct socket_info),
1020 (__compar_fn_t) socket_info_compare);
1021
1022 output_sockets_list(socket_infos, cs);
1023
1024 cleanup:
1025 assert(cs == 0 || socket_infos);
1026 for (s = socket_infos; s < socket_infos + cs; s++) {
1027 free(s->type);
1028 free(s->path);
1029 if (s->own_triggered)
1030 strv_free(s->triggered);
1031 }
1032
1033 return r;
1034 }
1035
1036 static int get_next_elapse(
1037 sd_bus *bus,
1038 const char *path,
1039 dual_timestamp *next) {
1040
1041 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1042 dual_timestamp t;
1043 int r;
1044
1045 assert(bus);
1046 assert(path);
1047 assert(next);
1048
1049 r = sd_bus_get_property_trivial(
1050 bus,
1051 "org.freedesktop.systemd1",
1052 path,
1053 "org.freedesktop.systemd1.Timer",
1054 "NextElapseUSecMonotonic",
1055 &error,
1056 't',
1057 &t.monotonic);
1058 if (r < 0)
1059 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1060
1061 r = sd_bus_get_property_trivial(
1062 bus,
1063 "org.freedesktop.systemd1",
1064 path,
1065 "org.freedesktop.systemd1.Timer",
1066 "NextElapseUSecRealtime",
1067 &error,
1068 't',
1069 &t.realtime);
1070 if (r < 0)
1071 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1072
1073 *next = t;
1074 return 0;
1075 }
1076
1077 static int get_last_trigger(
1078 sd_bus *bus,
1079 const char *path,
1080 usec_t *last) {
1081
1082 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1083 int r;
1084
1085 assert(bus);
1086 assert(path);
1087 assert(last);
1088
1089 r = sd_bus_get_property_trivial(
1090 bus,
1091 "org.freedesktop.systemd1",
1092 path,
1093 "org.freedesktop.systemd1.Timer",
1094 "LastTriggerUSec",
1095 &error,
1096 't',
1097 last);
1098 if (r < 0)
1099 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1100
1101 return 0;
1102 }
1103
1104 struct timer_info {
1105 const char* machine;
1106 const char* id;
1107 usec_t next_elapse;
1108 usec_t last_trigger;
1109 char** triggered;
1110 };
1111
1112 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1113 int o;
1114
1115 assert(a);
1116 assert(b);
1117
1118 if (!a->machine && b->machine)
1119 return -1;
1120 if (a->machine && !b->machine)
1121 return 1;
1122 if (a->machine && b->machine) {
1123 o = strcasecmp(a->machine, b->machine);
1124 if (o != 0)
1125 return o;
1126 }
1127
1128 if (a->next_elapse < b->next_elapse)
1129 return -1;
1130 if (a->next_elapse > b->next_elapse)
1131 return 1;
1132
1133 return strcmp(a->id, b->id);
1134 }
1135
1136 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1137 struct timer_info *t;
1138 unsigned
1139 nextlen = STRLEN("NEXT"),
1140 leftlen = STRLEN("LEFT"),
1141 lastlen = STRLEN("LAST"),
1142 passedlen = STRLEN("PASSED"),
1143 unitlen = STRLEN("UNIT"),
1144 activatelen = STRLEN("ACTIVATES");
1145
1146 const char *on, *off;
1147
1148 assert(timer_infos || n == 0);
1149
1150 for (t = timer_infos; t < timer_infos + n; t++) {
1151 unsigned ul = 0;
1152 char **a;
1153
1154 if (t->next_elapse > 0) {
1155 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1156
1157 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1158 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1159
1160 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1161 leftlen = MAX(leftlen, strlen(trel));
1162 }
1163
1164 if (t->last_trigger > 0) {
1165 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1166
1167 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1168 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1169
1170 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1171 passedlen = MAX(passedlen, strlen(trel));
1172 }
1173
1174 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1175
1176 STRV_FOREACH(a, t->triggered)
1177 ul += strlen(*a) + 2*(a != t->triggered);
1178
1179 activatelen = MAX(activatelen, ul);
1180 }
1181
1182 if (n > 0) {
1183 if (!arg_no_legend)
1184 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1185 nextlen, "NEXT",
1186 leftlen, "LEFT",
1187 lastlen, "LAST",
1188 passedlen, "PASSED",
1189 unitlen, "UNIT",
1190 "ACTIVATES");
1191
1192 for (t = timer_infos; t < timer_infos + n; t++) {
1193 _cleanup_free_ char *j = NULL;
1194 const char *unit;
1195 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1196 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1197 char **a;
1198
1199 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1200 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1201
1202 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1203 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1204
1205 if (t->machine) {
1206 j = strjoin(t->machine, ":", t->id);
1207 if (!j)
1208 return log_oom();
1209 unit = j;
1210 } else
1211 unit = t->id;
1212
1213 printf("%-*s %-*s %-*s %-*s %-*s",
1214 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1215
1216 STRV_FOREACH(a, t->triggered)
1217 printf("%s %s",
1218 a == t->triggered ? "" : ",", *a);
1219 printf("\n");
1220 }
1221
1222 on = ansi_highlight();
1223 off = ansi_normal();
1224 if (!arg_no_legend)
1225 printf("\n");
1226 } else {
1227 on = ansi_highlight_red();
1228 off = ansi_normal();
1229 }
1230
1231 if (!arg_no_legend) {
1232 printf("%s%u timers listed.%s\n", on, n, off);
1233 if (!arg_all)
1234 printf("Pass --all to see loaded but inactive timers, too.\n");
1235 }
1236
1237 return 0;
1238 }
1239
1240 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1241 usec_t next_elapse;
1242
1243 assert(nw);
1244 assert(next);
1245
1246 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1247 usec_t converted;
1248
1249 if (next->monotonic > nw->monotonic)
1250 converted = nw->realtime + (next->monotonic - nw->monotonic);
1251 else
1252 converted = nw->realtime - (nw->monotonic - next->monotonic);
1253
1254 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1255 next_elapse = MIN(converted, next->realtime);
1256 else
1257 next_elapse = converted;
1258
1259 } else
1260 next_elapse = next->realtime;
1261
1262 return next_elapse;
1263 }
1264
1265 static int list_timers(int argc, char *argv[], void *userdata) {
1266 _cleanup_(message_set_freep) Set *replies = NULL;
1267 _cleanup_strv_free_ char **machines = NULL;
1268 _cleanup_free_ struct timer_info *timer_infos = NULL;
1269 _cleanup_free_ UnitInfo *unit_infos = NULL;
1270 struct timer_info *t;
1271 const UnitInfo *u;
1272 size_t size = 0;
1273 int n, c = 0;
1274 dual_timestamp nw;
1275 sd_bus *bus;
1276 int r = 0;
1277
1278 r = acquire_bus(BUS_MANAGER, &bus);
1279 if (r < 0)
1280 return r;
1281
1282 (void) pager_open(arg_no_pager, false);
1283
1284 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1285 if (n < 0)
1286 return n;
1287
1288 dual_timestamp_get(&nw);
1289
1290 for (u = unit_infos; u < unit_infos + n; u++) {
1291 _cleanup_strv_free_ char **triggered = NULL;
1292 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1293 usec_t m, last = 0;
1294
1295 if (!endswith(u->id, ".timer"))
1296 continue;
1297
1298 r = get_triggered_units(bus, u->unit_path, &triggered);
1299 if (r < 0)
1300 goto cleanup;
1301
1302 r = get_next_elapse(bus, u->unit_path, &next);
1303 if (r < 0)
1304 goto cleanup;
1305
1306 get_last_trigger(bus, u->unit_path, &last);
1307
1308 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1309 r = log_oom();
1310 goto cleanup;
1311 }
1312
1313 m = calc_next_elapse(&nw, &next);
1314
1315 timer_infos[c++] = (struct timer_info) {
1316 .machine = u->machine,
1317 .id = u->id,
1318 .next_elapse = m,
1319 .last_trigger = last,
1320 .triggered = TAKE_PTR(triggered),
1321 };
1322 }
1323
1324 qsort_safe(timer_infos, c, sizeof(struct timer_info),
1325 (__compar_fn_t) timer_info_compare);
1326
1327 output_timers_list(timer_infos, c);
1328
1329 cleanup:
1330 for (t = timer_infos; t < timer_infos + c; t++)
1331 strv_free(t->triggered);
1332
1333 return r;
1334 }
1335
1336 static int compare_unit_file_list(const void *a, const void *b) {
1337 const char *d1, *d2;
1338 const UnitFileList *u = a, *v = b;
1339
1340 d1 = strrchr(u->path, '.');
1341 d2 = strrchr(v->path, '.');
1342
1343 if (d1 && d2) {
1344 int r;
1345
1346 r = strcasecmp(d1, d2);
1347 if (r != 0)
1348 return r;
1349 }
1350
1351 return strcasecmp(basename(u->path), basename(v->path));
1352 }
1353
1354 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1355 assert(u);
1356
1357 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1358 return false;
1359
1360 if (!strv_isempty(arg_types)) {
1361 const char *dot;
1362
1363 dot = strrchr(u->path, '.');
1364 if (!dot)
1365 return false;
1366
1367 if (!strv_find(arg_types, dot+1))
1368 return false;
1369 }
1370
1371 if (!strv_isempty(states) &&
1372 !strv_find(states, unit_file_state_to_string(u->state)))
1373 return false;
1374
1375 return true;
1376 }
1377
1378 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1379 unsigned max_id_len, id_cols, state_cols;
1380 const UnitFileList *u;
1381
1382 max_id_len = STRLEN("UNIT FILE");
1383 state_cols = STRLEN("STATE");
1384
1385 for (u = units; u < units + c; u++) {
1386 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1387 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1388 }
1389
1390 if (!arg_full) {
1391 unsigned basic_cols;
1392
1393 id_cols = MIN(max_id_len, 25u);
1394 basic_cols = 1 + id_cols + state_cols;
1395 if (basic_cols < (unsigned) columns())
1396 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1397 } else
1398 id_cols = max_id_len;
1399
1400 if (!arg_no_legend && c > 0)
1401 printf("%s%-*s %-*s%s\n",
1402 ansi_underline(),
1403 id_cols, "UNIT FILE",
1404 state_cols, "STATE",
1405 ansi_normal());
1406
1407 for (u = units; u < units + c; u++) {
1408 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1409 _cleanup_free_ char *e = NULL;
1410 bool underline;
1411
1412 underline = u + 1 < units + c &&
1413 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1414
1415 if (underline)
1416 on_underline = ansi_underline();
1417
1418 if (IN_SET(u->state,
1419 UNIT_FILE_MASKED,
1420 UNIT_FILE_MASKED_RUNTIME,
1421 UNIT_FILE_DISABLED,
1422 UNIT_FILE_BAD))
1423 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1424 else if (u->state == UNIT_FILE_ENABLED)
1425 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1426
1427 if (on_underline || on_color)
1428 off = ansi_normal();
1429
1430 id = basename(u->path);
1431
1432 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1433
1434 printf("%s%-*s %s%-*s%s\n",
1435 strempty(on_underline),
1436 id_cols, e ? e : id,
1437 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1438 }
1439
1440 if (!arg_no_legend)
1441 printf("\n%u unit files listed.\n", c);
1442 }
1443
1444 static int list_unit_files(int argc, char *argv[], void *userdata) {
1445 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1446 _cleanup_free_ UnitFileList *units = NULL;
1447 UnitFileList *unit;
1448 size_t size = 0;
1449 unsigned c = 0;
1450 const char *state;
1451 char *path;
1452 int r;
1453 bool fallback = false;
1454
1455 if (install_client_side()) {
1456 Hashmap *h;
1457 UnitFileList *u;
1458 Iterator i;
1459 unsigned n_units;
1460
1461 h = hashmap_new(&string_hash_ops);
1462 if (!h)
1463 return log_oom();
1464
1465 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1466 if (r < 0) {
1467 unit_file_list_free(h);
1468 return log_error_errno(r, "Failed to get unit file list: %m");
1469 }
1470
1471 n_units = hashmap_size(h);
1472
1473 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1474 if (!units) {
1475 unit_file_list_free(h);
1476 return log_oom();
1477 }
1478
1479 HASHMAP_FOREACH(u, h, i) {
1480 if (!output_show_unit_file(u, NULL, NULL))
1481 continue;
1482
1483 units[c++] = *u;
1484 free(u);
1485 }
1486
1487 assert(c <= n_units);
1488 hashmap_free(h);
1489
1490 r = 0;
1491 } else {
1492 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1493 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1494 sd_bus *bus;
1495
1496 r = acquire_bus(BUS_MANAGER, &bus);
1497 if (r < 0)
1498 return r;
1499
1500 r = sd_bus_message_new_method_call(
1501 bus,
1502 &m,
1503 "org.freedesktop.systemd1",
1504 "/org/freedesktop/systemd1",
1505 "org.freedesktop.systemd1.Manager",
1506 "ListUnitFilesByPatterns");
1507 if (r < 0)
1508 return bus_log_create_error(r);
1509
1510 r = sd_bus_message_append_strv(m, arg_states);
1511 if (r < 0)
1512 return bus_log_create_error(r);
1513
1514 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1515 if (r < 0)
1516 return bus_log_create_error(r);
1517
1518 r = sd_bus_call(bus, m, 0, &error, &reply);
1519 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1520 /* Fallback to legacy ListUnitFiles method */
1521 fallback = true;
1522 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1523 m = sd_bus_message_unref(m);
1524 sd_bus_error_free(&error);
1525
1526 r = sd_bus_message_new_method_call(
1527 bus,
1528 &m,
1529 "org.freedesktop.systemd1",
1530 "/org/freedesktop/systemd1",
1531 "org.freedesktop.systemd1.Manager",
1532 "ListUnitFiles");
1533 if (r < 0)
1534 return bus_log_create_error(r);
1535
1536 r = sd_bus_call(bus, m, 0, &error, &reply);
1537 }
1538 if (r < 0)
1539 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1540
1541 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1542 if (r < 0)
1543 return bus_log_parse_error(r);
1544
1545 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1546
1547 if (!GREEDY_REALLOC(units, size, c + 1))
1548 return log_oom();
1549
1550 units[c] = (struct UnitFileList) {
1551 path,
1552 unit_file_state_from_string(state)
1553 };
1554
1555 if (output_show_unit_file(&units[c],
1556 fallback ? arg_states : NULL,
1557 fallback ? strv_skip(argv, 1) : NULL))
1558 c++;
1559
1560 }
1561 if (r < 0)
1562 return bus_log_parse_error(r);
1563
1564 r = sd_bus_message_exit_container(reply);
1565 if (r < 0)
1566 return bus_log_parse_error(r);
1567 }
1568
1569 (void) pager_open(arg_no_pager, false);
1570
1571 qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
1572 output_unit_file_list(units, c);
1573
1574 if (install_client_side())
1575 for (unit = units; unit < units + c; unit++)
1576 free(unit->path);
1577
1578 return 0;
1579 }
1580
1581 static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
1582 _cleanup_free_ char *n = NULL;
1583 size_t max_len = MAX(columns(),20u);
1584 size_t len = 0;
1585 int i;
1586
1587 if (!arg_plain) {
1588
1589 for (i = level - 1; i >= 0; i--) {
1590 len += 2;
1591 if (len > max_len - 3 && !arg_full) {
1592 printf("%s...\n",max_len % 2 ? "" : " ");
1593 return 0;
1594 }
1595 printf("%s", special_glyph(branches & (1 << i) ? TREE_VERTICAL : TREE_SPACE));
1596 }
1597 len += 2;
1598
1599 if (len > max_len - 3 && !arg_full) {
1600 printf("%s...\n",max_len % 2 ? "" : " ");
1601 return 0;
1602 }
1603
1604 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
1605 }
1606
1607 if (arg_full) {
1608 printf("%s\n", name);
1609 return 0;
1610 }
1611
1612 n = ellipsize(name, max_len-len, 100);
1613 if (!n)
1614 return log_oom();
1615
1616 printf("%s\n", n);
1617 return 0;
1618 }
1619
1620 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1621
1622 struct DependencyStatusInfo {
1623 char **dep[5];
1624 } info = {};
1625
1626 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1627 [DEPENDENCY_FORWARD] = {
1628 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1629 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1630 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1631 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1632 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1633 {}
1634 },
1635 [DEPENDENCY_REVERSE] = {
1636 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1637 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1638 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1639 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1640 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1641 {}
1642 },
1643 [DEPENDENCY_AFTER] = {
1644 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1645 {}
1646 },
1647 [DEPENDENCY_BEFORE] = {
1648 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1649 {}
1650 },
1651 };
1652
1653 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1654 _cleanup_strv_free_ char **ret = NULL;
1655 _cleanup_free_ char *path = NULL;
1656 int i, r;
1657
1658 assert(bus);
1659 assert(name);
1660 assert(deps);
1661
1662 path = unit_dbus_path_from_name(name);
1663 if (!path)
1664 return log_oom();
1665
1666 r = bus_map_all_properties(bus,
1667 "org.freedesktop.systemd1",
1668 path,
1669 map[arg_dependency],
1670 BUS_MAP_STRDUP,
1671 &error,
1672 NULL,
1673 &info);
1674 if (r < 0)
1675 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1676
1677 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1678 *deps = info.dep[0];
1679 return 0;
1680 }
1681
1682 for (i = 0; i < 5; i++) {
1683 r = strv_extend_strv(&ret, info.dep[i], true);
1684 if (r < 0)
1685 return log_oom();
1686 info.dep[i] = strv_free(info.dep[i]);
1687 }
1688
1689 *deps = TAKE_PTR(ret);
1690
1691 return 0;
1692 }
1693
1694 static int list_dependencies_compare(const void *_a, const void *_b) {
1695 const char **a = (const char**) _a, **b = (const char**) _b;
1696
1697 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1698 return 1;
1699 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1700 return -1;
1701
1702 return strcasecmp(*a, *b);
1703 }
1704
1705 static int list_dependencies_one(
1706 sd_bus *bus,
1707 const char *name,
1708 int level,
1709 char ***units,
1710 unsigned int branches) {
1711
1712 _cleanup_strv_free_ char **deps = NULL;
1713 char **c;
1714 int r = 0;
1715
1716 assert(bus);
1717 assert(name);
1718 assert(units);
1719
1720 r = strv_extend(units, name);
1721 if (r < 0)
1722 return log_oom();
1723
1724 r = list_dependencies_get_dependencies(bus, name, &deps);
1725 if (r < 0)
1726 return r;
1727
1728 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
1729
1730 STRV_FOREACH(c, deps) {
1731 if (strv_contains(*units, *c)) {
1732 if (!arg_plain) {
1733 printf(" ");
1734 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1735 if (r < 0)
1736 return r;
1737 }
1738 continue;
1739 }
1740
1741 if (arg_plain)
1742 printf(" ");
1743 else {
1744 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1745 const char *on;
1746
1747 (void) get_state_one_unit(bus, *c, &active_state);
1748
1749 switch (active_state) {
1750 case UNIT_ACTIVE:
1751 case UNIT_RELOADING:
1752 case UNIT_ACTIVATING:
1753 on = ansi_highlight_green();
1754 break;
1755
1756 case UNIT_INACTIVE:
1757 case UNIT_DEACTIVATING:
1758 on = ansi_normal();
1759 break;
1760
1761 default:
1762 on = ansi_highlight_red();
1763 break;
1764 }
1765
1766 printf("%s%s%s ", on, special_glyph(BLACK_CIRCLE), ansi_normal());
1767 }
1768
1769 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1770 if (r < 0)
1771 return r;
1772
1773 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1774 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1775 if (r < 0)
1776 return r;
1777 }
1778 }
1779
1780 if (!arg_plain)
1781 strv_remove(*units, name);
1782
1783 return 0;
1784 }
1785
1786 static int list_dependencies(int argc, char *argv[], void *userdata) {
1787 _cleanup_strv_free_ char **units = NULL;
1788 _cleanup_free_ char *unit = NULL;
1789 const char *u;
1790 sd_bus *bus;
1791 int r;
1792
1793 if (argv[1]) {
1794 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1795 if (r < 0)
1796 return log_error_errno(r, "Failed to mangle unit name: %m");
1797
1798 u = unit;
1799 } else
1800 u = SPECIAL_DEFAULT_TARGET;
1801
1802 r = acquire_bus(BUS_MANAGER, &bus);
1803 if (r < 0)
1804 return r;
1805
1806 (void) pager_open(arg_no_pager, false);
1807
1808 puts(u);
1809
1810 return list_dependencies_one(bus, u, 0, &units, 0);
1811 }
1812
1813 struct machine_info {
1814 bool is_host;
1815 char *name;
1816 char *state;
1817 char *control_group;
1818 uint32_t n_failed_units;
1819 uint32_t n_jobs;
1820 usec_t timestamp;
1821 };
1822
1823 static const struct bus_properties_map machine_info_property_map[] = {
1824 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1825 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1826 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1827 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1828 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1829 {}
1830 };
1831
1832 static void machine_info_clear(struct machine_info *info) {
1833 assert(info);
1834
1835 free(info->name);
1836 free(info->state);
1837 free(info->control_group);
1838 zero(*info);
1839 }
1840
1841 static void free_machines_list(struct machine_info *machine_infos, int n) {
1842 int i;
1843
1844 if (!machine_infos)
1845 return;
1846
1847 for (i = 0; i < n; i++)
1848 machine_info_clear(&machine_infos[i]);
1849
1850 free(machine_infos);
1851 }
1852
1853 static int compare_machine_info(const void *a, const void *b) {
1854 const struct machine_info *u = a, *v = b;
1855
1856 if (u->is_host != v->is_host)
1857 return u->is_host > v->is_host ? -1 : 1;
1858
1859 return strcasecmp(u->name, v->name);
1860 }
1861
1862 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1863 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1864 int r;
1865
1866 assert(mi);
1867
1868 if (!bus) {
1869 r = sd_bus_open_system_machine(&container, mi->name);
1870 if (r < 0)
1871 return r;
1872
1873 bus = container;
1874 }
1875
1876 r = bus_map_all_properties(
1877 bus,
1878 "org.freedesktop.systemd1",
1879 "/org/freedesktop/systemd1",
1880 machine_info_property_map,
1881 BUS_MAP_STRDUP,
1882 NULL,
1883 NULL,
1884 mi);
1885 if (r < 0)
1886 return r;
1887
1888 return 0;
1889 }
1890
1891 static bool output_show_machine(const char *name, char **patterns) {
1892 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1893 }
1894
1895 static int get_machine_list(
1896 sd_bus *bus,
1897 struct machine_info **_machine_infos,
1898 char **patterns) {
1899
1900 struct machine_info *machine_infos = NULL;
1901 _cleanup_strv_free_ char **m = NULL;
1902 _cleanup_free_ char *hn = NULL;
1903 size_t sz = 0;
1904 char **i;
1905 int c = 0, r;
1906
1907 hn = gethostname_malloc();
1908 if (!hn)
1909 return log_oom();
1910
1911 if (output_show_machine(hn, patterns)) {
1912 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1913 return log_oom();
1914
1915 machine_infos[c].is_host = true;
1916 machine_infos[c].name = TAKE_PTR(hn);
1917
1918 (void) get_machine_properties(bus, &machine_infos[c]);
1919 c++;
1920 }
1921
1922 r = sd_get_machine_names(&m);
1923 if (r < 0)
1924 return log_error_errno(r, "Failed to get machine list: %m");
1925
1926 STRV_FOREACH(i, m) {
1927 _cleanup_free_ char *class = NULL;
1928
1929 if (!output_show_machine(*i, patterns))
1930 continue;
1931
1932 sd_machine_get_class(*i, &class);
1933 if (!streq_ptr(class, "container"))
1934 continue;
1935
1936 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1937 free_machines_list(machine_infos, c);
1938 return log_oom();
1939 }
1940
1941 machine_infos[c].is_host = false;
1942 machine_infos[c].name = strdup(*i);
1943 if (!machine_infos[c].name) {
1944 free_machines_list(machine_infos, c);
1945 return log_oom();
1946 }
1947
1948 (void) get_machine_properties(NULL, &machine_infos[c]);
1949 c++;
1950 }
1951
1952 *_machine_infos = machine_infos;
1953 return c;
1954 }
1955
1956 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1957 struct machine_info *m;
1958 unsigned
1959 circle_len = 0,
1960 namelen = STRLEN("NAME"),
1961 statelen = STRLEN("STATE"),
1962 failedlen = STRLEN("FAILED"),
1963 jobslen = STRLEN("JOBS");
1964
1965 assert(machine_infos || n == 0);
1966
1967 for (m = machine_infos; m < machine_infos + n; m++) {
1968 namelen = MAX(namelen,
1969 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1970 statelen = MAX(statelen, strlen_ptr(m->state));
1971 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1972 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1973
1974 if (!arg_plain && !streq_ptr(m->state, "running"))
1975 circle_len = 2;
1976 }
1977
1978 if (!arg_no_legend) {
1979 if (circle_len > 0)
1980 fputs(" ", stdout);
1981
1982 printf("%-*s %-*s %-*s %-*s\n",
1983 namelen, "NAME",
1984 statelen, "STATE",
1985 failedlen, "FAILED",
1986 jobslen, "JOBS");
1987 }
1988
1989 for (m = machine_infos; m < machine_infos + n; m++) {
1990 const char *on_state = "", *off_state = "";
1991 const char *on_failed = "", *off_failed = "";
1992 bool circle = false;
1993
1994 if (streq_ptr(m->state, "degraded")) {
1995 on_state = ansi_highlight_red();
1996 off_state = ansi_normal();
1997 circle = true;
1998 } else if (!streq_ptr(m->state, "running")) {
1999 on_state = ansi_highlight_yellow();
2000 off_state = ansi_normal();
2001 circle = true;
2002 }
2003
2004 if (m->n_failed_units > 0) {
2005 on_failed = ansi_highlight_red();
2006 off_failed = ansi_normal();
2007 } else
2008 on_failed = off_failed = "";
2009
2010 if (circle_len > 0)
2011 printf("%s%s%s ", on_state, circle ? special_glyph(BLACK_CIRCLE) : " ", off_state);
2012
2013 if (m->is_host)
2014 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2015 (int) (namelen - (STRLEN(" (host)"))),
2016 strna(m->name),
2017 on_state, statelen, strna(m->state), off_state,
2018 on_failed, failedlen, m->n_failed_units, off_failed,
2019 jobslen, m->n_jobs);
2020 else
2021 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2022 namelen, strna(m->name),
2023 on_state, statelen, strna(m->state), off_state,
2024 on_failed, failedlen, m->n_failed_units, off_failed,
2025 jobslen, m->n_jobs);
2026 }
2027
2028 if (!arg_no_legend)
2029 printf("\n%u machines listed.\n", n);
2030 }
2031
2032 static int list_machines(int argc, char *argv[], void *userdata) {
2033 struct machine_info *machine_infos = NULL;
2034 sd_bus *bus;
2035 int r;
2036
2037 r = acquire_bus(BUS_MANAGER, &bus);
2038 if (r < 0)
2039 return r;
2040
2041 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2042 if (r < 0)
2043 return r;
2044
2045 (void) pager_open(arg_no_pager, false);
2046
2047 qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info);
2048 output_machines_list(machine_infos, r);
2049 free_machines_list(machine_infos, r);
2050
2051 return 0;
2052 }
2053
2054 static int get_default(int argc, char *argv[], void *userdata) {
2055 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2056 _cleanup_free_ char *_path = NULL;
2057 const char *path;
2058 int r;
2059
2060 if (install_client_side()) {
2061 r = unit_file_get_default(arg_scope, arg_root, &_path);
2062 if (r < 0)
2063 return log_error_errno(r, "Failed to get default target: %m");
2064 path = _path;
2065
2066 r = 0;
2067 } else {
2068 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2069 sd_bus *bus;
2070
2071 r = acquire_bus(BUS_MANAGER, &bus);
2072 if (r < 0)
2073 return r;
2074
2075 r = sd_bus_call_method(
2076 bus,
2077 "org.freedesktop.systemd1",
2078 "/org/freedesktop/systemd1",
2079 "org.freedesktop.systemd1.Manager",
2080 "GetDefaultTarget",
2081 &error,
2082 &reply,
2083 NULL);
2084 if (r < 0)
2085 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2086
2087 r = sd_bus_message_read(reply, "s", &path);
2088 if (r < 0)
2089 return bus_log_parse_error(r);
2090 }
2091
2092 if (path)
2093 printf("%s\n", path);
2094
2095 return 0;
2096 }
2097
2098 static int set_default(int argc, char *argv[], void *userdata) {
2099 _cleanup_free_ char *unit = NULL;
2100 UnitFileChange *changes = NULL;
2101 unsigned n_changes = 0;
2102 int r;
2103
2104 assert(argc >= 2);
2105 assert(argv);
2106
2107 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2108 if (r < 0)
2109 return log_error_errno(r, "Failed to mangle unit name: %m");
2110
2111 if (install_client_side()) {
2112 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2113 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2114
2115 if (r > 0)
2116 r = 0;
2117 } else {
2118 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2119 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2120 sd_bus *bus;
2121
2122 polkit_agent_open_maybe();
2123
2124 r = acquire_bus(BUS_MANAGER, &bus);
2125 if (r < 0)
2126 return r;
2127
2128 r = sd_bus_call_method(
2129 bus,
2130 "org.freedesktop.systemd1",
2131 "/org/freedesktop/systemd1",
2132 "org.freedesktop.systemd1.Manager",
2133 "SetDefaultTarget",
2134 &error,
2135 &reply,
2136 "sb", unit, 1);
2137 if (r < 0)
2138 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2139
2140 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2141 if (r < 0)
2142 goto finish;
2143
2144 /* Try to reload if enabled */
2145 if (!arg_no_reload)
2146 r = daemon_reload(argc, argv, userdata);
2147 else
2148 r = 0;
2149 }
2150
2151 finish:
2152 unit_file_changes_free(changes, n_changes);
2153
2154 return r;
2155 }
2156
2157 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2158 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2159 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2160 const char *name, *type, *state, *job_path, *unit_path;
2161 uint32_t other_id;
2162 int r;
2163
2164 assert(bus);
2165
2166 r = sd_bus_call_method(
2167 bus,
2168 "org.freedesktop.systemd1",
2169 "/org/freedesktop/systemd1",
2170 "org.freedesktop.systemd1.Manager",
2171 method,
2172 &error,
2173 &reply,
2174 "u", id);
2175 if (r < 0)
2176 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2177
2178 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2179 if (r < 0)
2180 return bus_log_parse_error(r);
2181
2182 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, &state, &job_path, &unit_path)) > 0)
2183 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2184 if (r < 0)
2185 return bus_log_parse_error(r);
2186
2187 r = sd_bus_message_exit_container(reply);
2188 if (r < 0)
2189 return bus_log_parse_error(r);
2190
2191 return 0;
2192 }
2193
2194 struct job_info {
2195 uint32_t id;
2196 const char *name, *type, *state;
2197 };
2198
2199 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2200 unsigned id_len, unit_len, type_len, state_len;
2201 const struct job_info *j;
2202 const char *on, *off;
2203 bool shorten = false;
2204
2205 assert(n == 0 || jobs);
2206
2207 if (n == 0) {
2208 if (!arg_no_legend) {
2209 on = ansi_highlight_green();
2210 off = ansi_normal();
2211
2212 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2213 }
2214 return;
2215 }
2216
2217 (void) pager_open(arg_no_pager, false);
2218
2219 id_len = STRLEN("JOB");
2220 unit_len = STRLEN("UNIT");
2221 type_len = STRLEN("TYPE");
2222 state_len = STRLEN("STATE");
2223
2224 for (j = jobs; j < jobs + n; j++) {
2225 uint32_t id = j->id;
2226 assert(j->name && j->type && j->state);
2227
2228 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2229 unit_len = MAX(unit_len, strlen(j->name));
2230 type_len = MAX(type_len, strlen(j->type));
2231 state_len = MAX(state_len, strlen(j->state));
2232 }
2233
2234 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2235 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2236 shorten = true;
2237 }
2238
2239 if (!arg_no_legend)
2240 printf("%*s %-*s %-*s %-*s\n",
2241 id_len, "JOB",
2242 unit_len, "UNIT",
2243 type_len, "TYPE",
2244 state_len, "STATE");
2245
2246 for (j = jobs; j < jobs + n; j++) {
2247 _cleanup_free_ char *e = NULL;
2248
2249 if (streq(j->state, "running")) {
2250 on = ansi_highlight();
2251 off = ansi_normal();
2252 } else
2253 on = off = "";
2254
2255 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2256 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2257 id_len, j->id,
2258 on, unit_len, e ? e : j->name, off,
2259 type_len, j->type,
2260 on, state_len, j->state, off);
2261
2262 if (arg_jobs_after)
2263 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2264 if (arg_jobs_before)
2265 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2266 }
2267
2268 if (!arg_no_legend) {
2269 on = ansi_highlight();
2270 off = ansi_normal();
2271
2272 printf("\n%s%u jobs listed%s.\n", on, n, off);
2273 }
2274 }
2275
2276 static bool output_show_job(struct job_info *job, char **patterns) {
2277 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2278 }
2279
2280 static int list_jobs(int argc, char *argv[], void *userdata) {
2281 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2282 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2283 const char *name, *type, *state, *job_path, *unit_path;
2284 _cleanup_free_ struct job_info *jobs = NULL;
2285 size_t size = 0;
2286 unsigned c = 0;
2287 sd_bus *bus;
2288 uint32_t id;
2289 int r;
2290 bool skipped = false;
2291
2292 r = acquire_bus(BUS_MANAGER, &bus);
2293 if (r < 0)
2294 return r;
2295
2296 r = sd_bus_call_method(
2297 bus,
2298 "org.freedesktop.systemd1",
2299 "/org/freedesktop/systemd1",
2300 "org.freedesktop.systemd1.Manager",
2301 "ListJobs",
2302 &error,
2303 &reply,
2304 NULL);
2305 if (r < 0)
2306 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2307
2308 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2309 if (r < 0)
2310 return bus_log_parse_error(r);
2311
2312 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) {
2313 struct job_info job = { id, name, type, state };
2314
2315 if (!output_show_job(&job, strv_skip(argv, 1))) {
2316 skipped = true;
2317 continue;
2318 }
2319
2320 if (!GREEDY_REALLOC(jobs, size, c + 1))
2321 return log_oom();
2322
2323 jobs[c++] = job;
2324 }
2325 if (r < 0)
2326 return bus_log_parse_error(r);
2327
2328 r = sd_bus_message_exit_container(reply);
2329 if (r < 0)
2330 return bus_log_parse_error(r);
2331
2332 (void) pager_open(arg_no_pager, false);
2333
2334 output_jobs_list(bus, jobs, c, skipped);
2335 return 0;
2336 }
2337
2338 static int cancel_job(int argc, char *argv[], void *userdata) {
2339 sd_bus *bus;
2340 char **name;
2341 int r = 0;
2342
2343 if (argc <= 1)
2344 return trivial_method(argc, argv, userdata);
2345
2346 r = acquire_bus(BUS_MANAGER, &bus);
2347 if (r < 0)
2348 return r;
2349
2350 polkit_agent_open_maybe();
2351
2352 STRV_FOREACH(name, strv_skip(argv, 1)) {
2353 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2354 uint32_t id;
2355 int q;
2356
2357 q = safe_atou32(*name, &id);
2358 if (q < 0)
2359 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2360
2361 q = sd_bus_call_method(
2362 bus,
2363 "org.freedesktop.systemd1",
2364 "/org/freedesktop/systemd1",
2365 "org.freedesktop.systemd1.Manager",
2366 "CancelJob",
2367 &error,
2368 NULL,
2369 "u", id);
2370 if (q < 0) {
2371 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2372 if (r == 0)
2373 r = q;
2374 }
2375 }
2376
2377 return r;
2378 }
2379
2380 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2381 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2382 const char *path;
2383 int b, r;
2384
2385 /* We ignore all errors here, since this is used to show a
2386 * warning only */
2387
2388 /* We don't use unit_dbus_path_from_name() directly since we
2389 * don't want to load the unit if it isn't loaded. */
2390
2391 r = sd_bus_call_method(
2392 bus,
2393 "org.freedesktop.systemd1",
2394 "/org/freedesktop/systemd1",
2395 "org.freedesktop.systemd1.Manager",
2396 "GetUnit",
2397 NULL,
2398 &reply,
2399 "s", unit);
2400 if (r < 0)
2401 return r;
2402
2403 r = sd_bus_message_read(reply, "o", &path);
2404 if (r < 0)
2405 return r;
2406
2407 r = sd_bus_get_property_trivial(
2408 bus,
2409 "org.freedesktop.systemd1",
2410 path,
2411 "org.freedesktop.systemd1.Unit",
2412 "NeedDaemonReload",
2413 NULL,
2414 'b', &b);
2415 if (r < 0)
2416 return r;
2417
2418 return b;
2419 }
2420
2421 static void warn_unit_file_changed(const char *name) {
2422 assert(name);
2423
2424 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.",
2425 ansi_highlight_red(),
2426 ansi_normal(),
2427 name,
2428 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2429 }
2430
2431 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) {
2432 char **p;
2433
2434 assert(lp);
2435 assert(unit_name);
2436
2437 STRV_FOREACH(p, lp->search_path) {
2438 _cleanup_free_ char *path = NULL, *lpath = NULL;
2439 int r;
2440
2441 path = path_join(NULL, *p, unit_name);
2442 if (!path)
2443 return log_oom();
2444
2445 r = chase_symlinks(path, arg_root, 0, &lpath);
2446 if (r == -ENOENT)
2447 continue;
2448 if (r == -ENOMEM)
2449 return log_oom();
2450 if (r < 0)
2451 return log_error_errno(r, "Failed to access path '%s': %m", path);
2452
2453 if (unit_path)
2454 *unit_path = TAKE_PTR(lpath);
2455
2456 return 1;
2457 }
2458
2459 return 0;
2460 }
2461
2462 static int unit_find_template_path(
2463 const char *unit_name,
2464 LookupPaths *lp,
2465 char **fragment_path,
2466 char **template) {
2467
2468 _cleanup_free_ char *_template = NULL;
2469 int r;
2470
2471 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2472
2473 r = unit_file_find_path(lp, unit_name, fragment_path);
2474 if (r != 0)
2475 return r; /* error or found a real unit */
2476
2477 r = unit_name_template(unit_name, &_template);
2478 if (r == -EINVAL)
2479 return 0; /* not a template, does not exist */
2480 if (r < 0)
2481 return log_error_errno(r, "Failed to determine template name: %m");
2482
2483 r = unit_file_find_path(lp, _template, fragment_path);
2484 if (r < 0)
2485 return r;
2486
2487 if (template)
2488 *template = TAKE_PTR(_template);
2489
2490 return r;
2491 }
2492
2493 static int unit_find_paths(
2494 sd_bus *bus,
2495 const char *unit_name,
2496 LookupPaths *lp,
2497 char **fragment_path,
2498 char ***dropin_paths) {
2499
2500 _cleanup_free_ char *path = NULL;
2501 _cleanup_strv_free_ char **dropins = NULL;
2502 int r;
2503
2504 /**
2505 * Finds where the unit is defined on disk. Returns 0 if the unit
2506 * is not found. Returns 1 if it is found, and sets
2507 * - the path to the unit in *path, if it exists on disk,
2508 * - and a strv of existing drop-ins in *dropins,
2509 * if the arg is not NULL and any dropins were found.
2510 */
2511
2512 assert(unit_name);
2513 assert(fragment_path);
2514 assert(lp);
2515
2516 if (!install_client_side() && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2517 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2518 _cleanup_free_ char *unit = NULL;
2519
2520 unit = unit_dbus_path_from_name(unit_name);
2521 if (!unit)
2522 return log_oom();
2523
2524 r = sd_bus_get_property_string(
2525 bus,
2526 "org.freedesktop.systemd1",
2527 unit,
2528 "org.freedesktop.systemd1.Unit",
2529 "FragmentPath",
2530 &error,
2531 &path);
2532 if (r < 0)
2533 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2534
2535 if (dropin_paths) {
2536 r = sd_bus_get_property_strv(
2537 bus,
2538 "org.freedesktop.systemd1",
2539 unit,
2540 "org.freedesktop.systemd1.Unit",
2541 "DropInPaths",
2542 &error,
2543 &dropins);
2544 if (r < 0)
2545 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2546 }
2547 } else {
2548 _cleanup_set_free_ Set *names = NULL;
2549 _cleanup_free_ char *template = NULL;
2550
2551 names = set_new(NULL);
2552 if (!names)
2553 return log_oom();
2554
2555 r = unit_find_template_path(unit_name, lp, &path, &template);
2556 if (r < 0)
2557 return r;
2558
2559 if (r > 0)
2560 /* We found the unit file. If we followed symlinks, this name might be
2561 * different then the unit_name with started with. Look for dropins matching
2562 * that "final" name. */
2563 r = set_put(names, basename(path));
2564 else if (!template)
2565 /* No unit file, let's look for dropins matching the original name.
2566 * systemd has fairly complicated rules (based on unit type and provenience),
2567 * which units are allowed not to have the main unit file. We err on the
2568 * side of including too many files, and always try to load dropins. */
2569 r = set_put(names, unit_name);
2570 else
2571 /* The cases where we allow a unit to exist without the main file are
2572 * never valid for templates. Don't try to load dropins in this case. */
2573 goto not_found;
2574
2575 if (r < 0)
2576 return log_error_errno(r, "Failed to add unit name: %m");
2577
2578 if (dropin_paths) {
2579 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path,
2580 NULL, names, &dropins);
2581 if (r < 0)
2582 return r;
2583 }
2584 }
2585
2586 r = 0;
2587
2588 if (!isempty(path)) {
2589 *fragment_path = TAKE_PTR(path);
2590 r = 1;
2591 }
2592
2593 if (dropin_paths && !strv_isempty(dropins)) {
2594 *dropin_paths = TAKE_PTR(dropins);
2595 r = 1;
2596 }
2597 not_found:
2598 if (r == 0 && !arg_force)
2599 log_error("No files found for %s.", unit_name);
2600
2601 return r;
2602 }
2603
2604 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2605 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2606 _cleanup_free_ char *buf = NULL, *path = NULL;
2607 UnitActiveState state;
2608 int r;
2609
2610 assert(name);
2611 assert(active_state);
2612
2613 path = unit_dbus_path_from_name(name);
2614 if (!path)
2615 return log_oom();
2616
2617 r = sd_bus_get_property_string(
2618 bus,
2619 "org.freedesktop.systemd1",
2620 path,
2621 "org.freedesktop.systemd1.Unit",
2622 "ActiveState",
2623 &error,
2624 &buf);
2625 if (r < 0)
2626 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2627
2628 state = unit_active_state_from_string(buf);
2629 if (state == _UNIT_ACTIVE_STATE_INVALID) {
2630 log_error("Invalid unit state '%s' for: %s", buf, name);
2631 return -EINVAL;
2632 }
2633
2634 *active_state = state;
2635 return 0;
2636 }
2637
2638 static int unit_is_masked(sd_bus *bus, const char *name) {
2639 _cleanup_free_ char *load_state = NULL;
2640 int r;
2641
2642 r = unit_load_state(bus, name, &load_state);
2643 if (r < 0)
2644 return r;
2645
2646 return streq(load_state, "masked");
2647 }
2648
2649 static int check_triggering_units(sd_bus *bus, const char *name) {
2650 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2651 _cleanup_free_ char *n = NULL, *path = NULL;
2652 _cleanup_strv_free_ char **triggered_by = NULL;
2653 bool print_warning_label = true;
2654 UnitActiveState active_state;
2655 char **i;
2656 int r;
2657
2658 r = unit_name_mangle(name, 0, &n);
2659 if (r < 0)
2660 return log_error_errno(r, "Failed to mangle unit name: %m");
2661
2662 r = unit_is_masked(bus, n);
2663 if (r != 0)
2664 return r < 0 ? r : 0;
2665
2666 path = unit_dbus_path_from_name(n);
2667 if (!path)
2668 return log_oom();
2669
2670 r = sd_bus_get_property_strv(
2671 bus,
2672 "org.freedesktop.systemd1",
2673 path,
2674 "org.freedesktop.systemd1.Unit",
2675 "TriggeredBy",
2676 &error,
2677 &triggered_by);
2678 if (r < 0)
2679 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2680
2681 STRV_FOREACH(i, triggered_by) {
2682 r = get_state_one_unit(bus, *i, &active_state);
2683 if (r < 0)
2684 return r;
2685
2686 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2687 continue;
2688
2689 if (print_warning_label) {
2690 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2691 print_warning_label = false;
2692 }
2693
2694 log_warning(" %s", *i);
2695 }
2696
2697 return 0;
2698 }
2699
2700 static const struct {
2701 const char *verb;
2702 const char *method;
2703 } unit_actions[] = {
2704 { "start", "StartUnit" },
2705 { "stop", "StopUnit" },
2706 { "condstop", "StopUnit" },
2707 { "reload", "ReloadUnit" },
2708 { "restart", "RestartUnit" },
2709 { "try-restart", "TryRestartUnit" },
2710 { "condrestart", "TryRestartUnit" },
2711 { "reload-or-restart", "ReloadOrRestartUnit" },
2712 { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
2713 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2714 { "condreload", "ReloadOrTryRestartUnit" },
2715 { "force-reload", "ReloadOrTryRestartUnit" }
2716 };
2717
2718 static const char *verb_to_method(const char *verb) {
2719 uint i;
2720
2721 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2722 if (streq_ptr(unit_actions[i].verb, verb))
2723 return unit_actions[i].method;
2724
2725 return "StartUnit";
2726 }
2727
2728 static const char *method_to_verb(const char *method) {
2729 uint i;
2730
2731 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2732 if (streq_ptr(unit_actions[i].method, method))
2733 return unit_actions[i].verb;
2734
2735 return "n/a";
2736 }
2737
2738 typedef struct {
2739 sd_bus_slot *match;
2740 sd_event *event;
2741 Set *unit_paths;
2742 bool any_failed;
2743 } WaitContext;
2744
2745 static void wait_context_free(WaitContext *c) {
2746 c->match = sd_bus_slot_unref(c->match);
2747 c->event = sd_event_unref(c->event);
2748 c->unit_paths = set_free_free(c->unit_paths);
2749 }
2750
2751 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2752 WaitContext *c = userdata;
2753 const char *path;
2754 int r;
2755
2756 path = sd_bus_message_get_path(m);
2757 if (!set_contains(c->unit_paths, path))
2758 return 0;
2759
2760 /* Check if ActiveState changed to inactive/failed */
2761 /* (s interface, a{sv} changed_properties, as invalidated_properties) */
2762 r = sd_bus_message_skip(m, "s");
2763 if (r < 0)
2764 return bus_log_parse_error(r);
2765
2766 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2767 if (r < 0)
2768 return bus_log_parse_error(r);
2769
2770 while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
2771 const char *s;
2772
2773 r = sd_bus_message_read(m, "s", &s);
2774 if (r < 0)
2775 return bus_log_parse_error(r);
2776
2777 if (streq(s, "ActiveState")) {
2778 bool is_failed;
2779
2780 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, "s");
2781 if (r < 0)
2782 return bus_log_parse_error(r);
2783
2784 r = sd_bus_message_read(m, "s", &s);
2785 if (r < 0)
2786 return bus_log_parse_error(r);
2787
2788 is_failed = streq(s, "failed");
2789 if (streq(s, "inactive") || is_failed) {
2790 log_debug("%s became %s, dropping from --wait tracking", path, s);
2791 free(set_remove(c->unit_paths, path));
2792 c->any_failed = c->any_failed || is_failed;
2793 } else
2794 log_debug("ActiveState on %s changed to %s", path, s);
2795
2796 break; /* no need to dissect the rest of the message */
2797 } else {
2798 /* other property */
2799 r = sd_bus_message_skip(m, "v");
2800 if (r < 0)
2801 return bus_log_parse_error(r);
2802 }
2803 r = sd_bus_message_exit_container(m);
2804 if (r < 0)
2805 return bus_log_parse_error(r);
2806 }
2807 if (r < 0)
2808 return bus_log_parse_error(r);
2809
2810 if (set_isempty(c->unit_paths))
2811 sd_event_exit(c->event, EXIT_SUCCESS);
2812
2813 return 0;
2814 }
2815
2816 static int start_unit_one(
2817 sd_bus *bus,
2818 const char *method,
2819 const char *name,
2820 const char *mode,
2821 sd_bus_error *error,
2822 BusWaitForJobs *w,
2823 WaitContext *wait_context) {
2824
2825 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2826 const char *path;
2827 int r;
2828
2829 assert(method);
2830 assert(name);
2831 assert(mode);
2832 assert(error);
2833
2834 if (wait_context) {
2835 _cleanup_free_ char *unit_path = NULL;
2836
2837 log_debug("Watching for property changes of %s", name);
2838 r = sd_bus_call_method(
2839 bus,
2840 "org.freedesktop.systemd1",
2841 "/org/freedesktop/systemd1",
2842 "org.freedesktop.systemd1.Manager",
2843 "RefUnit",
2844 error,
2845 NULL,
2846 "s", name);
2847 if (r < 0)
2848 return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r));
2849
2850 unit_path = unit_dbus_path_from_name(name);
2851 if (!unit_path)
2852 return log_oom();
2853
2854 r = set_put_strdup(wait_context->unit_paths, unit_path);
2855 if (r < 0)
2856 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2857
2858 r = sd_bus_match_signal_async(bus,
2859 &wait_context->match,
2860 NULL,
2861 unit_path,
2862 "org.freedesktop.DBus.Properties",
2863 "PropertiesChanged",
2864 on_properties_changed, NULL, wait_context);
2865 if (r < 0)
2866 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2867 }
2868
2869 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2870 arg_dry_run ? "Would execute" : "Executing",
2871 method, name, mode);
2872 if (arg_dry_run)
2873 return 0;
2874
2875 r = sd_bus_call_method(
2876 bus,
2877 "org.freedesktop.systemd1",
2878 "/org/freedesktop/systemd1",
2879 "org.freedesktop.systemd1.Manager",
2880 method,
2881 error,
2882 &reply,
2883 "ss", name, mode);
2884 if (r < 0) {
2885 const char *verb;
2886
2887 /* There's always a fallback possible for legacy actions. */
2888 if (arg_action != ACTION_SYSTEMCTL)
2889 return r;
2890
2891 verb = method_to_verb(method);
2892
2893 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2894
2895 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2896 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2897 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2898 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2899 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2900 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2901 name[0] == '-' ? " --" : "",
2902 name);
2903
2904 return r;
2905 }
2906
2907 r = sd_bus_message_read(reply, "o", &path);
2908 if (r < 0)
2909 return bus_log_parse_error(r);
2910
2911 if (need_daemon_reload(bus, name) > 0)
2912 warn_unit_file_changed(name);
2913
2914 if (w) {
2915 log_debug("Adding %s to the set", path);
2916 r = bus_wait_for_jobs_add(w, path);
2917 if (r < 0)
2918 return log_oom();
2919 }
2920
2921 return 0;
2922 }
2923
2924 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2925 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2926 char **name;
2927 int r, i;
2928
2929 assert(bus);
2930 assert(ret);
2931
2932 STRV_FOREACH(name, names) {
2933 char *t;
2934 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2935
2936 if (suffix)
2937 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2938 else
2939 r = unit_name_mangle(*name, options, &t);
2940 if (r < 0)
2941 return log_error_errno(r, "Failed to mangle name: %m");
2942
2943 if (string_is_glob(t))
2944 r = strv_consume(&globs, t);
2945 else
2946 r = strv_consume(&mangled, t);
2947 if (r < 0)
2948 return log_oom();
2949 }
2950
2951 /* Query the manager only if any of the names are a glob, since
2952 * this is fairly expensive */
2953 if (!strv_isempty(globs)) {
2954 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2955 _cleanup_free_ UnitInfo *unit_infos = NULL;
2956 size_t allocated, n;
2957
2958 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2959 if (r < 0)
2960 return r;
2961
2962 n = strv_length(mangled);
2963 allocated = n + 1;
2964
2965 for (i = 0; i < r; i++) {
2966 if (!GREEDY_REALLOC(mangled, allocated, n+2))
2967 return log_oom();
2968
2969 mangled[n] = strdup(unit_infos[i].id);
2970 if (!mangled[n])
2971 return log_oom();
2972
2973 mangled[++n] = NULL;
2974 }
2975 }
2976
2977 *ret = TAKE_PTR(mangled);
2978
2979 return 0;
2980 }
2981
2982 static const struct {
2983 const char *target;
2984 const char *verb;
2985 const char *mode;
2986 } action_table[_ACTION_MAX] = {
2987 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2988 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2989 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2990 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2991 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2992 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2993 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
2994 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
2995 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
2996 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
2997 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
2998 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
2999 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3000 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3001 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3002 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3003 };
3004
3005 static enum action verb_to_action(const char *verb) {
3006 enum action i;
3007
3008 for (i = 0; i < _ACTION_MAX; i++)
3009 if (streq_ptr(action_table[i].verb, verb))
3010 return i;
3011
3012 return _ACTION_INVALID;
3013 }
3014
3015 static int start_unit(int argc, char *argv[], void *userdata) {
3016 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3017 const char *method, *mode, *one_name, *suffix = NULL;
3018 _cleanup_strv_free_ char **names = NULL;
3019 sd_bus *bus;
3020 _cleanup_(wait_context_free) WaitContext wait_context = {};
3021 char **name;
3022 int r = 0;
3023
3024 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3025 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3026 return -EINVAL;
3027 }
3028
3029 /* we cannot do sender tracking on the private bus, so we need the full
3030 * one for RefUnit to implement --wait */
3031 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3032 if (r < 0)
3033 return r;
3034
3035 ask_password_agent_open_if_enabled();
3036 polkit_agent_open_maybe();
3037
3038 if (arg_action == ACTION_SYSTEMCTL) {
3039 enum action action;
3040
3041 action = verb_to_action(argv[0]);
3042
3043 if (action != _ACTION_INVALID) {
3044 method = "StartUnit";
3045 mode = action_table[action].mode;
3046 one_name = action_table[action].target;
3047 } else {
3048 if (streq(argv[0], "isolate")) {
3049 method = "StartUnit";
3050 mode = "isolate";
3051
3052 suffix = ".target";
3053 } else {
3054 method = verb_to_method(argv[0]);
3055 mode = arg_job_mode;
3056 }
3057 one_name = NULL;
3058 }
3059 } else {
3060 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3061 assert(action_table[arg_action].target);
3062 assert(action_table[arg_action].mode);
3063
3064 method = "StartUnit";
3065 mode = action_table[arg_action].mode;
3066 one_name = action_table[arg_action].target;
3067 }
3068
3069 if (one_name)
3070 names = strv_new(one_name, NULL);
3071 else {
3072 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3073 if (r < 0)
3074 return log_error_errno(r, "Failed to expand names: %m");
3075 }
3076
3077 if (!arg_no_block) {
3078 r = bus_wait_for_jobs_new(bus, &w);
3079 if (r < 0)
3080 return log_error_errno(r, "Could not watch jobs: %m");
3081 }
3082
3083 if (arg_wait) {
3084 wait_context.unit_paths = set_new(&string_hash_ops);
3085 if (!wait_context.unit_paths)
3086 return log_oom();
3087
3088 r = sd_bus_call_method_async(
3089 bus,
3090 NULL,
3091 "org.freedesktop.systemd1",
3092 "/org/freedesktop/systemd1",
3093 "org.freedesktop.systemd1.Manager",
3094 "Subscribe",
3095 NULL, NULL,
3096 NULL);
3097 if (r < 0)
3098 return log_error_errno(r, "Failed to enable subscription: %m");
3099 r = sd_event_default(&wait_context.event);
3100 if (r < 0)
3101 return log_error_errno(r, "Failed to allocate event loop: %m");
3102 r = sd_bus_attach_event(bus, wait_context.event, 0);
3103 if (r < 0)
3104 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3105 }
3106
3107 STRV_FOREACH(name, names) {
3108 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3109 int q;
3110
3111 q = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3112 if (r >= 0 && q < 0)
3113 r = translate_bus_error_to_exit_status(q, &error);
3114 }
3115
3116 if (!arg_no_block) {
3117 int q, arg_count = 0;
3118 const char* extra_args[4] = {};
3119
3120 if (arg_scope != UNIT_FILE_SYSTEM)
3121 extra_args[arg_count++] = "--user";
3122
3123 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3124 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3125 extra_args[arg_count++] = "-H";
3126 extra_args[arg_count++] = arg_host;
3127 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3128 extra_args[arg_count++] = "-M";
3129 extra_args[arg_count++] = arg_host;
3130 }
3131
3132 q = bus_wait_for_jobs(w, arg_quiet, extra_args);
3133 if (q < 0)
3134 return q;
3135
3136 /* When stopping units, warn if they can still be triggered by
3137 * another active unit (socket, path, timer) */
3138 if (!arg_quiet && streq(method, "StopUnit"))
3139 STRV_FOREACH(name, names)
3140 check_triggering_units(bus, *name);
3141 }
3142
3143 if (r >= 0 && arg_wait) {
3144 int q;
3145 q = sd_event_loop(wait_context.event);
3146 if (q < 0)
3147 return log_error_errno(q, "Failed to run event loop: %m");
3148 if (wait_context.any_failed)
3149 r = EXIT_FAILURE;
3150 }
3151
3152 return r;
3153 }
3154
3155 #if ENABLE_LOGIND
3156 static int logind_set_wall_message(void) {
3157 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3158 sd_bus *bus;
3159 _cleanup_free_ char *m = NULL;
3160 int r;
3161
3162 r = acquire_bus(BUS_FULL, &bus);
3163 if (r < 0)
3164 return r;
3165
3166 m = strv_join(arg_wall, " ");
3167 if (!m)
3168 return log_oom();
3169
3170 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3171 if (arg_dry_run)
3172 return 0;
3173
3174 r = sd_bus_call_method(
3175 bus,
3176 "org.freedesktop.login1",
3177 "/org/freedesktop/login1",
3178 "org.freedesktop.login1.Manager",
3179 "SetWallMessage",
3180 &error,
3181 NULL,
3182 "sb",
3183 m,
3184 !arg_no_wall);
3185
3186 if (r < 0)
3187 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3188 return 0;
3189 }
3190 #endif
3191
3192 /* Ask systemd-logind, which might grant access to unprivileged users
3193 * through PolicyKit */
3194 static int logind_reboot(enum action a) {
3195 #if ENABLE_LOGIND
3196 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3197 const char *method, *description;
3198 sd_bus *bus;
3199 int r;
3200
3201 r = acquire_bus(BUS_FULL, &bus);
3202 if (r < 0)
3203 return r;
3204
3205 switch (a) {
3206
3207 case ACTION_POWEROFF:
3208 method = "PowerOff";
3209 description = "power off system";
3210 break;
3211
3212 case ACTION_REBOOT:
3213 method = "Reboot";
3214 description = "reboot system";
3215 break;
3216
3217 case ACTION_HALT:
3218 method = "Halt";
3219 description = "halt system";
3220 break;
3221
3222 case ACTION_SUSPEND:
3223 method = "Suspend";
3224 description = "suspend system";
3225 break;
3226
3227 case ACTION_HIBERNATE:
3228 method = "Hibernate";
3229 description = "hibernate system";
3230 break;
3231
3232 case ACTION_HYBRID_SLEEP:
3233 method = "HybridSleep";
3234 description = "put system into hybrid sleep";
3235 break;
3236
3237 case ACTION_SUSPEND_THEN_HIBERNATE:
3238 method = "SuspendThenHibernate";
3239 description = "put system into suspend followed by hibernate";
3240 break;
3241
3242 default:
3243 return -EINVAL;
3244 }
3245
3246 polkit_agent_open_maybe();
3247 (void) logind_set_wall_message();
3248
3249 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3250 if (arg_dry_run)
3251 return 0;
3252
3253 r = sd_bus_call_method(
3254 bus,
3255 "org.freedesktop.login1",
3256 "/org/freedesktop/login1",
3257 "org.freedesktop.login1.Manager",
3258 method,
3259 &error,
3260 NULL,
3261 "b", arg_ask_password);
3262 if (r < 0)
3263 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3264
3265 return 0;
3266 #else
3267 return -ENOSYS;
3268 #endif
3269 }
3270
3271 static int logind_check_inhibitors(enum action a) {
3272 #if ENABLE_LOGIND
3273 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3274 _cleanup_strv_free_ char **sessions = NULL;
3275 const char *what, *who, *why, *mode;
3276 uint32_t uid, pid;
3277 sd_bus *bus;
3278 unsigned c = 0;
3279 char **s;
3280 int r;
3281
3282 if (arg_ignore_inhibitors || arg_force > 0)
3283 return 0;
3284
3285 if (arg_when > 0)
3286 return 0;
3287
3288 if (geteuid() == 0)
3289 return 0;
3290
3291 if (!on_tty())
3292 return 0;
3293
3294 if (arg_transport != BUS_TRANSPORT_LOCAL)
3295 return 0;
3296
3297 r = acquire_bus(BUS_FULL, &bus);
3298 if (r < 0)
3299 return r;
3300
3301 r = sd_bus_call_method(
3302 bus,
3303 "org.freedesktop.login1",
3304 "/org/freedesktop/login1",
3305 "org.freedesktop.login1.Manager",
3306 "ListInhibitors",
3307 NULL,
3308 &reply,
3309 NULL);
3310 if (r < 0)
3311 /* If logind is not around, then there are no inhibitors... */
3312 return 0;
3313
3314 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3315 if (r < 0)
3316 return bus_log_parse_error(r);
3317
3318 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3319 _cleanup_free_ char *comm = NULL, *user = NULL;
3320 _cleanup_strv_free_ char **sv = NULL;
3321
3322 if (!streq(mode, "block"))
3323 continue;
3324
3325 sv = strv_split(what, ":");
3326 if (!sv)
3327 return log_oom();
3328
3329 if (!pid_is_valid((pid_t) pid)) {
3330 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3331 return -ERANGE;
3332 }
3333
3334 if (!strv_contains(sv,
3335 IN_SET(a,
3336 ACTION_HALT,
3337 ACTION_POWEROFF,
3338 ACTION_REBOOT,
3339 ACTION_KEXEC) ? "shutdown" : "sleep"))
3340 continue;
3341
3342 get_process_comm(pid, &comm);
3343 user = uid_to_name(uid);
3344
3345 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3346 who, (pid_t) pid, strna(comm), strna(user), why);
3347
3348 c++;
3349 }
3350 if (r < 0)
3351 return bus_log_parse_error(r);
3352
3353 r = sd_bus_message_exit_container(reply);
3354 if (r < 0)
3355 return bus_log_parse_error(r);
3356
3357 /* Check for current sessions */
3358 sd_get_sessions(&sessions);
3359 STRV_FOREACH(s, sessions) {
3360 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3361
3362 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3363 continue;
3364
3365 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3366 continue;
3367
3368 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3369 continue;
3370
3371 sd_session_get_tty(*s, &tty);
3372 sd_session_get_seat(*s, &seat);
3373 sd_session_get_service(*s, &service);
3374 user = uid_to_name(uid);
3375
3376 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3377 c++;
3378 }
3379
3380 if (c <= 0)
3381 return 0;
3382
3383 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3384 action_table[a].verb);
3385
3386 return -EPERM;
3387 #else
3388 return 0;
3389 #endif
3390 }
3391
3392 static int logind_prepare_firmware_setup(void) {
3393 #if ENABLE_LOGIND
3394 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3395 sd_bus *bus;
3396 int r;
3397
3398 r = acquire_bus(BUS_FULL, &bus);
3399 if (r < 0)
3400 return r;
3401
3402 r = sd_bus_call_method(
3403 bus,
3404 "org.freedesktop.login1",
3405 "/org/freedesktop/login1",
3406 "org.freedesktop.login1.Manager",
3407 "SetRebootToFirmwareSetup",
3408 &error,
3409 NULL,
3410 "b", true);
3411 if (r < 0)
3412 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3413
3414 return 0;
3415 #else
3416 log_error("Cannot remotely indicate to EFI to boot into setup mode.");
3417 return -ENOSYS;
3418 #endif
3419 }
3420
3421 static int prepare_firmware_setup(void) {
3422 int r;
3423
3424 if (!arg_firmware_setup)
3425 return 0;
3426
3427 if (arg_transport == BUS_TRANSPORT_LOCAL) {
3428
3429 r = efi_set_reboot_to_firmware(true);
3430 if (r < 0)
3431 log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
3432 else
3433 return r;
3434 }
3435
3436 return logind_prepare_firmware_setup();
3437 }
3438
3439 static int load_kexec_kernel(void) {
3440 _cleanup_(boot_config_free) BootConfig config = {};
3441 _cleanup_free_ char *where = NULL, *kernel = NULL, *initrd = NULL, *options = NULL;
3442 const BootEntry *e;
3443 pid_t pid;
3444 int r;
3445
3446 if (kexec_loaded()) {
3447 log_debug("Kexec kernel already loaded.");
3448 return 0;
3449 }
3450
3451 if (access(KEXEC, X_OK) < 0)
3452 return log_error_errno(errno, KEXEC" is not available: %m");
3453
3454 r = find_esp_and_warn(arg_esp_path, false, &where, NULL, NULL, NULL, NULL);
3455 if (r == -ENOKEY) /* find_esp_and_warn() doesn't warn about this case */
3456 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3457 if (r < 0) /* But it logs about all these cases, hence don't log here again */
3458 return r;
3459
3460 r = boot_entries_load_config(where, &config);
3461 if (r < 0)
3462 return log_error_errno(r, "Failed to load bootspec config from \"%s/loader\": %m", where);
3463
3464 if (config.default_entry < 0) {
3465 log_error("No entry suitable as default, refusing to guess.");
3466 return -ENOENT;
3467 }
3468 e = &config.entries[config.default_entry];
3469
3470 if (strv_length(e->initrd) > 1) {
3471 log_error("Boot entry specifies multiple initrds, which is not supported currently.");
3472 return -EINVAL;
3473 }
3474
3475 kernel = path_join(NULL, where, e->kernel);
3476 if (!strv_isempty(e->initrd))
3477 initrd = path_join(NULL, where, *e->initrd);
3478 options = strv_join(e->options, " ");
3479 if (!options)
3480 return log_oom();
3481
3482 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3483 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3484 arg_dry_run ? "Would run" : "Running",
3485 kernel,
3486 options,
3487 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3488 if (arg_dry_run)
3489 return 0;
3490
3491 r = safe_fork("(kexec)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
3492 if (r < 0)
3493 return r;
3494 if (r == 0) {
3495 const char* const args[] = {
3496 KEXEC,
3497 "--load", kernel,
3498 "--append", options,
3499 initrd ? "--initrd" : NULL, initrd,
3500 NULL };
3501
3502 /* Child */
3503 execv(args[0], (char * const *) args);
3504 _exit(EXIT_FAILURE);
3505 }
3506
3507 r = wait_for_terminate_and_check("kexec", pid, WAIT_LOG);
3508 if (r < 0)
3509 return r;
3510 if (r > 0)
3511 /* Command failed */
3512 return -EPROTO;
3513 return 0;
3514 }
3515
3516 static int set_exit_code(uint8_t code) {
3517 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3518 sd_bus *bus;
3519 int r;
3520
3521 r = acquire_bus(BUS_MANAGER, &bus);
3522 if (r < 0)
3523 return r;
3524
3525 r = sd_bus_call_method(
3526 bus,
3527 "org.freedesktop.systemd1",
3528 "/org/freedesktop/systemd1",
3529 "org.freedesktop.systemd1.Manager",
3530 "SetExitCode",
3531 &error,
3532 NULL,
3533 "y", code);
3534 if (r < 0)
3535 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3536
3537 return 0;
3538 }
3539
3540 static int start_special(int argc, char *argv[], void *userdata) {
3541 enum action a;
3542 int r;
3543 bool termination_action; /* an action that terminates the manager,
3544 * can be performed also by signal. */
3545
3546 assert(argv);
3547
3548 a = verb_to_action(argv[0]);
3549
3550 r = logind_check_inhibitors(a);
3551 if (r < 0)
3552 return r;
3553
3554 if (arg_force >= 2) {
3555 r = must_be_root();
3556 if (r < 0)
3557 return r;
3558 }
3559
3560 r = prepare_firmware_setup();
3561 if (r < 0)
3562 return r;
3563
3564 if (a == ACTION_REBOOT && argc > 1) {
3565 r = update_reboot_parameter_and_warn(argv[1]);
3566 if (r < 0)
3567 return r;
3568
3569 } else if (a == ACTION_KEXEC) {
3570 r = load_kexec_kernel();
3571 if (r < 0 && arg_force >= 1)
3572 log_notice("Failed to load kexec kernel, continuing without.");
3573 else if (r < 0)
3574 return r;
3575
3576 } else if (a == ACTION_EXIT && argc > 1) {
3577 uint8_t code;
3578
3579 /* If the exit code is not given on the command line,
3580 * don't reset it to zero: just keep it as it might
3581 * have been set previously. */
3582
3583 r = safe_atou8(argv[1], &code);
3584 if (r < 0)
3585 return log_error_errno(r, "Invalid exit code.");
3586
3587 r = set_exit_code(code);
3588 if (r < 0)
3589 return r;
3590 }
3591
3592 termination_action = IN_SET(a,
3593 ACTION_HALT,
3594 ACTION_POWEROFF,
3595 ACTION_REBOOT);
3596 if (termination_action && arg_force >= 2)
3597 return halt_now(a);
3598
3599 if (arg_force >= 1 &&
3600 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3601 r = trivial_method(argc, argv, userdata);
3602 else {
3603 /* First try logind, to allow authentication with polkit */
3604 if (IN_SET(a,
3605 ACTION_POWEROFF,
3606 ACTION_REBOOT,
3607 ACTION_HALT,
3608 ACTION_SUSPEND,
3609 ACTION_HIBERNATE,
3610 ACTION_HYBRID_SLEEP,
3611 ACTION_SUSPEND_THEN_HIBERNATE)) {
3612
3613 r = logind_reboot(a);
3614 if (r >= 0)
3615 return r;
3616 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3617 /* requested operation is not supported or already in progress */
3618 return r;
3619
3620 /* On all other errors, try low-level operation. In order to minimize the difference between
3621 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3622 * logind's shutdown operations are always non-blocking. */
3623
3624 arg_no_block = true;
3625
3626 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3627 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3628 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3629 arg_no_block = true;
3630
3631 r = start_unit(argc, argv, userdata);
3632 }
3633
3634 if (termination_action && arg_force < 2 &&
3635 IN_SET(r, -ENOENT, -ETIMEDOUT))
3636 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3637
3638 return r;
3639 }
3640
3641 static int start_system_special(int argc, char *argv[], void *userdata) {
3642 /* Like start_special above, but raises an error when running in user mode */
3643
3644 if (arg_scope != UNIT_FILE_SYSTEM) {
3645 log_error("Bad action for %s mode.",
3646 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3647 return -EINVAL;
3648 }
3649
3650 return start_special(argc, argv, userdata);
3651 }
3652
3653 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3654 _cleanup_strv_free_ char **names = NULL;
3655 UnitActiveState active_state;
3656 sd_bus *bus;
3657 char **name;
3658 int r, i;
3659 bool found = false;
3660
3661 r = acquire_bus(BUS_MANAGER, &bus);
3662 if (r < 0)
3663 return r;
3664
3665 r = expand_names(bus, args, NULL, &names);
3666 if (r < 0)
3667 return log_error_errno(r, "Failed to expand names: %m");
3668
3669 STRV_FOREACH(name, names) {
3670 r = get_state_one_unit(bus, *name, &active_state);
3671 if (r < 0)
3672 return r;
3673
3674 if (!arg_quiet)
3675 puts(unit_active_state_to_string(active_state));
3676
3677 for (i = 0; i < nb_states; ++i)
3678 if (good_states[i] == active_state)
3679 found = true;
3680 }
3681
3682 /* use the given return code for the case that we won't find
3683 * any unit which matches the list */
3684 return found ? 0 : code;
3685 }
3686
3687 static int check_unit_active(int argc, char *argv[], void *userdata) {
3688 const UnitActiveState states[] = { UNIT_ACTIVE, UNIT_RELOADING };
3689 /* According to LSB: 3, "program is not running" */
3690 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3691 }
3692
3693 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3694 const UnitActiveState states[] = { UNIT_FAILED };
3695 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3696 }
3697
3698 static int kill_unit(int argc, char *argv[], void *userdata) {
3699 _cleanup_strv_free_ char **names = NULL;
3700 char *kill_who = NULL, **name;
3701 sd_bus *bus;
3702 int r, q;
3703
3704 r = acquire_bus(BUS_MANAGER, &bus);
3705 if (r < 0)
3706 return r;
3707
3708 polkit_agent_open_maybe();
3709
3710 if (!arg_kill_who)
3711 arg_kill_who = "all";
3712
3713 /* --fail was specified */
3714 if (streq(arg_job_mode, "fail"))
3715 kill_who = strjoina(arg_kill_who, "-fail");
3716
3717 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3718 if (r < 0)
3719 return log_error_errno(r, "Failed to expand names: %m");
3720
3721 STRV_FOREACH(name, names) {
3722 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3723
3724 q = sd_bus_call_method(
3725 bus,
3726 "org.freedesktop.systemd1",
3727 "/org/freedesktop/systemd1",
3728 "org.freedesktop.systemd1.Manager",
3729 "KillUnit",
3730 &error,
3731 NULL,
3732 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3733 if (q < 0) {
3734 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3735 if (r == 0)
3736 r = q;
3737 }
3738 }
3739
3740 return r;
3741 }
3742
3743 typedef struct ExecStatusInfo {
3744 char *name;
3745
3746 char *path;
3747 char **argv;
3748
3749 bool ignore;
3750
3751 usec_t start_timestamp;
3752 usec_t exit_timestamp;
3753 pid_t pid;
3754 int code;
3755 int status;
3756
3757 LIST_FIELDS(struct ExecStatusInfo, exec);
3758 } ExecStatusInfo;
3759
3760 static void exec_status_info_free(ExecStatusInfo *i) {
3761 assert(i);
3762
3763 free(i->name);
3764 free(i->path);
3765 strv_free(i->argv);
3766 free(i);
3767 }
3768
3769 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3770 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3771 const char *path;
3772 uint32_t pid;
3773 int32_t code, status;
3774 int ignore, r;
3775
3776 assert(m);
3777 assert(i);
3778
3779 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3780 if (r < 0)
3781 return bus_log_parse_error(r);
3782 else if (r == 0)
3783 return 0;
3784
3785 r = sd_bus_message_read(m, "s", &path);
3786 if (r < 0)
3787 return bus_log_parse_error(r);
3788
3789 i->path = strdup(path);
3790 if (!i->path)
3791 return log_oom();
3792
3793 r = sd_bus_message_read_strv(m, &i->argv);
3794 if (r < 0)
3795 return bus_log_parse_error(r);
3796
3797 r = sd_bus_message_read(m,
3798 "bttttuii",
3799 &ignore,
3800 &start_timestamp, &start_timestamp_monotonic,
3801 &exit_timestamp, &exit_timestamp_monotonic,
3802 &pid,
3803 &code, &status);
3804 if (r < 0)
3805 return bus_log_parse_error(r);
3806
3807 i->ignore = ignore;
3808 i->start_timestamp = (usec_t) start_timestamp;
3809 i->exit_timestamp = (usec_t) exit_timestamp;
3810 i->pid = (pid_t) pid;
3811 i->code = code;
3812 i->status = status;
3813
3814 r = sd_bus_message_exit_container(m);
3815 if (r < 0)
3816 return bus_log_parse_error(r);
3817
3818 return 1;
3819 }
3820
3821 typedef struct UnitCondition {
3822 char *name;
3823 char *param;
3824 bool trigger;
3825 bool negate;
3826 int tristate;
3827
3828 LIST_FIELDS(struct UnitCondition, conditions);
3829 } UnitCondition;
3830
3831 static void unit_condition_free(UnitCondition *c) {
3832 if (!c)
3833 return;
3834
3835 free(c->name);
3836 free(c->param);
3837 free(c);
3838 }
3839
3840 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3841
3842 typedef struct UnitStatusInfo {
3843 const char *id;
3844 const char *load_state;
3845 const char *active_state;
3846 const char *sub_state;
3847 const char *unit_file_state;
3848 const char *unit_file_preset;
3849
3850 const char *description;
3851 const char *following;
3852
3853 char **documentation;
3854
3855 const char *fragment_path;
3856 const char *source_path;
3857 const char *control_group;
3858
3859 char **dropin_paths;
3860
3861 const char *load_error;
3862 const char *result;
3863
3864 usec_t inactive_exit_timestamp;
3865 usec_t inactive_exit_timestamp_monotonic;
3866 usec_t active_enter_timestamp;
3867 usec_t active_exit_timestamp;
3868 usec_t inactive_enter_timestamp;
3869
3870 bool need_daemon_reload;
3871 bool transient;
3872
3873 /* Service */
3874 pid_t main_pid;
3875 pid_t control_pid;
3876 const char *status_text;
3877 const char *pid_file;
3878 bool running:1;
3879 int status_errno;
3880
3881 usec_t start_timestamp;
3882 usec_t exit_timestamp;
3883
3884 int exit_code, exit_status;
3885
3886 usec_t condition_timestamp;
3887 bool condition_result;
3888 LIST_HEAD(UnitCondition, conditions);
3889
3890 usec_t assert_timestamp;
3891 bool assert_result;
3892 bool failed_assert_trigger;
3893 bool failed_assert_negate;
3894 const char *failed_assert;
3895 const char *failed_assert_parameter;
3896 usec_t next_elapse_real;
3897 usec_t next_elapse_monotonic;
3898
3899 /* Socket */
3900 unsigned n_accepted;
3901 unsigned n_connections;
3902 bool accept;
3903
3904 /* Pairs of type, path */
3905 char **listen;
3906
3907 /* Device */
3908 const char *sysfs_path;
3909
3910 /* Mount, Automount */
3911 const char *where;
3912
3913 /* Swap */
3914 const char *what;
3915
3916 /* CGroup */
3917 uint64_t memory_current;
3918 uint64_t memory_low;
3919 uint64_t memory_high;
3920 uint64_t memory_max;
3921 uint64_t memory_swap_max;
3922 uint64_t memory_limit;
3923 uint64_t cpu_usage_nsec;
3924 uint64_t tasks_current;
3925 uint64_t tasks_max;
3926
3927 uint64_t ip_ingress_bytes;
3928 uint64_t ip_egress_bytes;
3929
3930 LIST_HEAD(ExecStatusInfo, exec);
3931 } UnitStatusInfo;
3932
3933 static void unit_status_info_free(UnitStatusInfo *info) {
3934 ExecStatusInfo *p;
3935 UnitCondition *c;
3936
3937 strv_free(info->documentation);
3938 strv_free(info->dropin_paths);
3939 strv_free(info->listen);
3940
3941 while ((c = info->conditions)) {
3942 LIST_REMOVE(conditions, info->conditions, c);
3943 unit_condition_free(c);
3944 }
3945
3946 while ((p = info->exec)) {
3947 LIST_REMOVE(exec, info->exec, p);
3948 exec_status_info_free(p);
3949 }
3950 }
3951
3952 static void print_status_info(
3953 sd_bus *bus,
3954 UnitStatusInfo *i,
3955 bool *ellipsized) {
3956
3957 ExecStatusInfo *p;
3958 const char *active_on, *active_off, *on, *off, *ss;
3959 usec_t timestamp;
3960 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
3961 char since2[FORMAT_TIMESTAMP_MAX], *s2;
3962 const char *path;
3963 char **t, **t2;
3964 int r;
3965
3966 assert(i);
3967
3968 /* This shows pretty information about a unit. See
3969 * print_property() for a low-level property printer */
3970
3971 if (streq_ptr(i->active_state, "failed")) {
3972 active_on = ansi_highlight_red();
3973 active_off = ansi_normal();
3974 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
3975 active_on = ansi_highlight_green();
3976 active_off = ansi_normal();
3977 } else
3978 active_on = active_off = "";
3979
3980 printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id));
3981
3982 if (i->description && !streq_ptr(i->id, i->description))
3983 printf(" - %s", i->description);
3984
3985 printf("\n");
3986
3987 if (i->following)
3988 printf(" Follow: unit currently follows state of %s\n", i->following);
3989
3990 if (streq_ptr(i->load_state, "error")) {
3991 on = ansi_highlight_red();
3992 off = ansi_normal();
3993 } else
3994 on = off = "";
3995
3996 path = i->source_path ? i->source_path : i->fragment_path;
3997
3998 if (i->load_error != 0)
3999 printf(" Loaded: %s%s%s (Reason: %s)\n",
4000 on, strna(i->load_state), off, i->load_error);
4001 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4002 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4003 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4004 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4005 else if (path && !isempty(i->unit_file_state))
4006 printf(" Loaded: %s%s%s (%s; %s)\n",
4007 on, strna(i->load_state), off, path, i->unit_file_state);
4008 else if (path)
4009 printf(" Loaded: %s%s%s (%s)\n",
4010 on, strna(i->load_state), off, path);
4011 else
4012 printf(" Loaded: %s%s%s\n",
4013 on, strna(i->load_state), off);
4014
4015 if (i->transient)
4016 printf("Transient: yes\n");
4017
4018 if (!strv_isempty(i->dropin_paths)) {
4019 _cleanup_free_ char *dir = NULL;
4020 bool last = false;
4021 char ** dropin;
4022
4023 STRV_FOREACH(dropin, i->dropin_paths) {
4024 if (!dir || last) {
4025 printf(dir ? " " :
4026 " Drop-In: ");
4027
4028 dir = mfree(dir);
4029
4030 dir = dirname_malloc(*dropin);
4031 if (!dir) {
4032 log_oom();
4033 return;
4034 }
4035
4036 printf("%s\n"
4037 " %s", dir,
4038 special_glyph(TREE_RIGHT));
4039 }
4040
4041 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4042
4043 printf("%s%s", basename(*dropin), last ? "\n" : ", ");
4044 }
4045 }
4046
4047 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4048 if (ss)
4049 printf(" Active: %s%s (%s)%s",
4050 active_on, strna(i->active_state), ss, active_off);
4051 else
4052 printf(" Active: %s%s%s",
4053 active_on, strna(i->active_state), active_off);
4054
4055 if (!isempty(i->result) && !streq(i->result, "success"))
4056 printf(" (Result: %s)", i->result);
4057
4058 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4059 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4060 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4061 i->active_exit_timestamp;
4062
4063 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4064 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4065
4066 if (s1)
4067 printf(" since %s; %s\n", s2, s1);
4068 else if (s2)
4069 printf(" since %s\n", s2);
4070 else
4071 printf("\n");
4072
4073 if (endswith(i->id, ".timer")) {
4074 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4075 tstamp2[FORMAT_TIMESTAMP_MAX];
4076 char *next_rel_time, *next_time;
4077 dual_timestamp nw, next = {i->next_elapse_real,
4078 i->next_elapse_monotonic};
4079 usec_t next_elapse;
4080
4081 printf(" Trigger: ");
4082
4083 dual_timestamp_get(&nw);
4084 next_elapse = calc_next_elapse(&nw, &next);
4085 next_rel_time = format_timestamp_relative(tstamp1,
4086 sizeof(tstamp1),
4087 next_elapse);
4088 next_time = format_timestamp(tstamp2,
4089 sizeof(tstamp2),
4090 next_elapse);
4091
4092 if (next_time && next_rel_time)
4093 printf("%s; %s\n", next_time, next_rel_time);
4094 else
4095 printf("n/a\n");
4096 }
4097
4098 if (!i->condition_result && i->condition_timestamp > 0) {
4099 UnitCondition *c;
4100 int n = 0;
4101
4102 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4103 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4104
4105 printf("Condition: start %scondition failed%s at %s%s%s\n",
4106 ansi_highlight_yellow(), ansi_normal(),
4107 s2, s1 ? "; " : "", strempty(s1));
4108
4109 LIST_FOREACH(conditions, c, i->conditions)
4110 if (c->tristate < 0)
4111 n++;
4112
4113 LIST_FOREACH(conditions, c, i->conditions)
4114 if (c->tristate < 0)
4115 printf(" %s %s=%s%s%s was not met\n",
4116 --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT),
4117 c->name,
4118 c->trigger ? "|" : "",
4119 c->negate ? "!" : "",
4120 c->param);
4121 }
4122
4123 if (!i->assert_result && i->assert_timestamp > 0) {
4124 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4125 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4126
4127 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4128 ansi_highlight_red(), ansi_normal(),
4129 s2, s1 ? "; " : "", strempty(s1));
4130 if (i->failed_assert_trigger)
4131 printf(" none of the trigger assertions were met\n");
4132 else if (i->failed_assert)
4133 printf(" %s=%s%s was not met\n",
4134 i->failed_assert,
4135 i->failed_assert_negate ? "!" : "",
4136 i->failed_assert_parameter);
4137 }
4138
4139 if (i->sysfs_path)
4140 printf(" Device: %s\n", i->sysfs_path);
4141 if (i->where)
4142 printf(" Where: %s\n", i->where);
4143 if (i->what)
4144 printf(" What: %s\n", i->what);
4145
4146 STRV_FOREACH(t, i->documentation)
4147 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", *t);
4148
4149 STRV_FOREACH_PAIR(t, t2, i->listen)
4150 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4151
4152 if (i->accept)
4153 printf(" Accepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
4154
4155 LIST_FOREACH(exec, p, i->exec) {
4156 _cleanup_free_ char *argv = NULL;
4157 bool good;
4158
4159 /* Only show exited processes here */
4160 if (p->code == 0)
4161 continue;
4162
4163 argv = strv_join(p->argv, " ");
4164 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4165
4166 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4167 if (!good) {
4168 on = ansi_highlight_red();
4169 off = ansi_normal();
4170 } else
4171 on = off = "";
4172
4173 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4174
4175 if (p->code == CLD_EXITED) {
4176 const char *c;
4177
4178 printf("status=%i", p->status);
4179
4180 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4181 if (c)
4182 printf("/%s", c);
4183
4184 } else
4185 printf("signal=%s", signal_to_string(p->status));
4186
4187 printf(")%s\n", off);
4188
4189 if (i->main_pid == p->pid &&
4190 i->start_timestamp == p->start_timestamp &&
4191 i->exit_timestamp == p->start_timestamp)
4192 /* Let's not show this twice */
4193 i->main_pid = 0;
4194
4195 if (p->pid == i->control_pid)
4196 i->control_pid = 0;
4197 }
4198
4199 if (i->main_pid > 0 || i->control_pid > 0) {
4200 if (i->main_pid > 0) {
4201 printf(" Main PID: "PID_FMT, i->main_pid);
4202
4203 if (i->running) {
4204
4205 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4206 _cleanup_free_ char *comm = NULL;
4207
4208 (void) get_process_comm(i->main_pid, &comm);
4209 if (comm)
4210 printf(" (%s)", comm);
4211 }
4212
4213 } else if (i->exit_code > 0) {
4214 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4215
4216 if (i->exit_code == CLD_EXITED) {
4217 const char *c;
4218
4219 printf("status=%i", i->exit_status);
4220
4221 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4222 if (c)
4223 printf("/%s", c);
4224
4225 } else
4226 printf("signal=%s", signal_to_string(i->exit_status));
4227 printf(")");
4228 }
4229 }
4230
4231 if (i->control_pid > 0) {
4232 _cleanup_free_ char *c = NULL;
4233
4234 if (i->main_pid > 0)
4235 fputs("; Control PID: ", stdout);
4236 else
4237 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4238
4239 printf(PID_FMT, i->control_pid);
4240
4241 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4242 (void) get_process_comm(i->control_pid, &c);
4243 if (c)
4244 printf(" (%s)", c);
4245 }
4246 }
4247
4248 printf("\n");
4249 }
4250
4251 if (i->status_text)
4252 printf(" Status: \"%s\"\n", i->status_text);
4253 if (i->status_errno > 0)
4254 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4255
4256 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4257 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4258
4259 printf(" IP: %s in, %s out\n",
4260 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4261 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4262 }
4263
4264 if (i->tasks_current != (uint64_t) -1) {
4265 printf(" Tasks: %" PRIu64, i->tasks_current);
4266
4267 if (i->tasks_max != (uint64_t) -1)
4268 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4269 else
4270 printf("\n");
4271 }
4272
4273 if (i->memory_current != (uint64_t) -1) {
4274 char buf[FORMAT_BYTES_MAX];
4275
4276 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4277
4278 if (i->memory_low > 0 || i->memory_high != CGROUP_LIMIT_MAX ||
4279 i->memory_max != CGROUP_LIMIT_MAX || i->memory_swap_max != CGROUP_LIMIT_MAX ||
4280 i->memory_limit != CGROUP_LIMIT_MAX) {
4281 const char *prefix = "";
4282
4283 printf(" (");
4284 if (i->memory_low > 0) {
4285 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4286 prefix = " ";
4287 }
4288 if (i->memory_high != CGROUP_LIMIT_MAX) {
4289 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4290 prefix = " ";
4291 }
4292 if (i->memory_max != CGROUP_LIMIT_MAX) {
4293 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4294 prefix = " ";
4295 }
4296 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4297 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4298 prefix = " ";
4299 }
4300 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4301 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4302 prefix = " ";
4303 }
4304 printf(")");
4305 }
4306 printf("\n");
4307 }
4308
4309 if (i->cpu_usage_nsec != (uint64_t) -1) {
4310 char buf[FORMAT_TIMESPAN_MAX];
4311 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4312 }
4313
4314 if (i->control_group) {
4315 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4316 static const char prefix[] = " ";
4317 unsigned c;
4318
4319 printf(" CGroup: %s\n", i->control_group);
4320
4321 c = columns();
4322 if (c > sizeof(prefix) - 1)
4323 c -= sizeof(prefix) - 1;
4324 else
4325 c = 0;
4326
4327 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4328 if (r == -EBADR) {
4329 unsigned k = 0;
4330 pid_t extra[2];
4331
4332 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4333
4334 if (i->main_pid > 0)
4335 extra[k++] = i->main_pid;
4336
4337 if (i->control_pid > 0)
4338 extra[k++] = i->control_pid;
4339
4340 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4341 } else if (r < 0)
4342 log_warning_errno(r, "Failed to dump process list, ignoring: %s", bus_error_message(&error, r));
4343 }
4344
4345 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4346 show_journal_by_unit(
4347 stdout,
4348 i->id,
4349 arg_output,
4350 0,
4351 i->inactive_exit_timestamp_monotonic,
4352 arg_lines,
4353 getuid(),
4354 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4355 SD_JOURNAL_LOCAL_ONLY,
4356 arg_scope == UNIT_FILE_SYSTEM,
4357 ellipsized);
4358
4359 if (i->need_daemon_reload)
4360 warn_unit_file_changed(i->id);
4361 }
4362
4363 static void show_unit_help(UnitStatusInfo *i) {
4364 char **p;
4365
4366 assert(i);
4367
4368 if (!i->documentation) {
4369 log_info("Documentation for %s not known.", i->id);
4370 return;
4371 }
4372
4373 STRV_FOREACH(p, i->documentation)
4374 if (startswith(*p, "man:"))
4375 show_man_page(*p + 4, false);
4376 else
4377 log_info("Can't show: %s", *p);
4378 }
4379
4380 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4381 UnitStatusInfo *i = userdata;
4382 uint32_t u;
4383 int r;
4384
4385 r = sd_bus_message_read(m, "u", &u);
4386 if (r < 0)
4387 return r;
4388
4389 i->main_pid = (pid_t) u;
4390 i->running = u > 0;
4391
4392 return 0;
4393 }
4394
4395 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4396 const char *n, *message;
4397 const char **p = userdata;
4398 int r;
4399
4400 r = sd_bus_message_read(m, "(ss)", &n, &message);
4401 if (r < 0)
4402 return r;
4403
4404 if (!isempty(message))
4405 *p = message;
4406
4407 return 0;
4408 }
4409
4410 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4411 const char *type, *path;
4412 char ***p = userdata;
4413 int r;
4414
4415 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4416 if (r < 0)
4417 return r;
4418
4419 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4420
4421 r = strv_extend(p, type);
4422 if (r < 0)
4423 return r;
4424
4425 r = strv_extend(p, path);
4426 if (r < 0)
4427 return r;
4428 }
4429 if (r < 0)
4430 return r;
4431
4432 r = sd_bus_message_exit_container(m);
4433 if (r < 0)
4434 return r;
4435
4436 return 0;
4437 }
4438
4439 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4440 UnitStatusInfo *i = userdata;
4441 const char *cond, *param;
4442 int trigger, negate;
4443 int32_t state;
4444 int r;
4445
4446 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4447 if (r < 0)
4448 return r;
4449
4450 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4451 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4452
4453 c = new0(UnitCondition, 1);
4454 if (!c)
4455 return -ENOMEM;
4456
4457 c->name = strdup(cond);
4458 c->param = strdup(param);
4459 if (!c->name || !c->param)
4460 return -ENOMEM;
4461
4462 c->trigger = trigger;
4463 c->negate = negate;
4464 c->tristate = state;
4465
4466 LIST_PREPEND(conditions, i->conditions, c);
4467 c = NULL;
4468 }
4469 if (r < 0)
4470 return r;
4471
4472 r = sd_bus_message_exit_container(m);
4473 if (r < 0)
4474 return r;
4475
4476 return 0;
4477 }
4478
4479 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4480 UnitStatusInfo *i = userdata;
4481 const char *cond, *param;
4482 int trigger, negate;
4483 int32_t state;
4484 int r;
4485
4486 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4487 if (r < 0)
4488 return r;
4489
4490 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4491 if (state < 0 && (!trigger || !i->failed_assert)) {
4492 i->failed_assert = cond;
4493 i->failed_assert_trigger = trigger;
4494 i->failed_assert_negate = negate;
4495 i->failed_assert_parameter = param;
4496 }
4497 }
4498 if (r < 0)
4499 return r;
4500
4501 r = sd_bus_message_exit_container(m);
4502 if (r < 0)
4503 return r;
4504
4505 return 0;
4506 }
4507
4508 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4509 _cleanup_free_ ExecStatusInfo *info = NULL;
4510 UnitStatusInfo *i = userdata;
4511 int r;
4512
4513 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4514 if (r < 0)
4515 return r;
4516
4517 info = new0(ExecStatusInfo, 1);
4518 if (!info)
4519 return -ENOMEM;
4520
4521 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4522
4523 info->name = strdup(member);
4524 if (!info->name)
4525 return -ENOMEM;
4526
4527 LIST_PREPEND(exec, i->exec, info);
4528
4529 info = new0(ExecStatusInfo, 1);
4530 if (!info)
4531 return -ENOMEM;
4532 }
4533 if (r < 0)
4534 return r;
4535
4536 r = sd_bus_message_exit_container(m);
4537 if (r < 0)
4538 return r;
4539
4540 return 0;
4541 }
4542
4543 #define print_prop(name, fmt, ...) \
4544 do { \
4545 if (arg_value) \
4546 printf(fmt "\n", __VA_ARGS__); \
4547 else \
4548 printf("%s=" fmt "\n", name, __VA_ARGS__); \
4549 } while (0)
4550
4551 static int print_property(const char *name, sd_bus_message *m, bool value, bool all) {
4552 char bus_type;
4553 const char *contents;
4554 int r;
4555
4556 assert(name);
4557 assert(m);
4558
4559 /* This is a low-level property printer, see
4560 * print_status_info() for the nicer output */
4561
4562 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4563 if (r < 0)
4564 return r;
4565
4566 switch (bus_type) {
4567
4568 case SD_BUS_TYPE_STRUCT:
4569
4570 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4571 uint32_t u;
4572
4573 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4574 if (r < 0)
4575 return bus_log_parse_error(r);
4576
4577 if (u > 0)
4578 print_prop(name, "%"PRIu32, u);
4579 else if (all)
4580 print_prop(name, "%s", "");
4581
4582 return 1;
4583
4584 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4585 const char *s;
4586
4587 r = sd_bus_message_read(m, "(so)", &s, NULL);
4588 if (r < 0)
4589 return bus_log_parse_error(r);
4590
4591 if (all || !isempty(s))
4592 print_prop(name, "%s", s);
4593
4594 return 1;
4595
4596 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4597 const char *a = NULL, *b = NULL;
4598
4599 r = sd_bus_message_read(m, "(ss)", &a, &b);
4600 if (r < 0)
4601 return bus_log_parse_error(r);
4602
4603 if (all || !isempty(a) || !isempty(b))
4604 print_prop(name, "%s \"%s\"", strempty(a), strempty(b));
4605
4606 return 1;
4607 } else if (streq_ptr(name, "SystemCallFilter")) {
4608 _cleanup_strv_free_ char **l = NULL;
4609 int whitelist;
4610
4611 r = sd_bus_message_enter_container(m, 'r', "bas");
4612 if (r < 0)
4613 return bus_log_parse_error(r);
4614
4615 r = sd_bus_message_read(m, "b", &whitelist);
4616 if (r < 0)
4617 return bus_log_parse_error(r);
4618
4619 r = sd_bus_message_read_strv(m, &l);
4620 if (r < 0)
4621 return bus_log_parse_error(r);
4622
4623 r = sd_bus_message_exit_container(m);
4624 if (r < 0)
4625 return bus_log_parse_error(r);
4626
4627 if (all || whitelist || !strv_isempty(l)) {
4628 bool first = true;
4629 char **i;
4630
4631 if (!value) {
4632 fputs(name, stdout);
4633 fputc('=', stdout);
4634 }
4635
4636 if (!whitelist)
4637 fputc('~', stdout);
4638
4639 STRV_FOREACH(i, l) {
4640 if (first)
4641 first = false;
4642 else
4643 fputc(' ', stdout);
4644
4645 fputs(*i, stdout);
4646 }
4647 fputc('\n', stdout);
4648 }
4649
4650 return 1;
4651 }
4652
4653 break;
4654
4655 case SD_BUS_TYPE_ARRAY:
4656
4657 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4658 const char *path;
4659 int ignore;
4660
4661 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4662 if (r < 0)
4663 return bus_log_parse_error(r);
4664
4665 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4666 print_prop(name, "%s (ignore_errors=%s)", path, yes_no(ignore));
4667
4668 if (r < 0)
4669 return bus_log_parse_error(r);
4670
4671 r = sd_bus_message_exit_container(m);
4672 if (r < 0)
4673 return bus_log_parse_error(r);
4674
4675 return 1;
4676
4677 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4678 const char *type, *path;
4679
4680 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4681 if (r < 0)
4682 return bus_log_parse_error(r);
4683
4684 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4685 print_prop(name, "%s (%s)", path, type);
4686 if (r < 0)
4687 return bus_log_parse_error(r);
4688
4689 r = sd_bus_message_exit_container(m);
4690 if (r < 0)
4691 return bus_log_parse_error(r);
4692
4693 return 1;
4694
4695 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4696 const char *type, *path;
4697
4698 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4699 if (r < 0)
4700 return bus_log_parse_error(r);
4701
4702 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4703 print_prop(name, "%s (%s)", path, type);
4704 if (r < 0)
4705 return bus_log_parse_error(r);
4706
4707 r = sd_bus_message_exit_container(m);
4708 if (r < 0)
4709 return bus_log_parse_error(r);
4710
4711 return 1;
4712
4713 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4714 const char *base;
4715 uint64_t v, next_elapse;
4716
4717 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4718 if (r < 0)
4719 return bus_log_parse_error(r);
4720
4721 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4722 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4723
4724 print_prop(name, "{ %s=%s ; next_elapse=%s }", base,
4725 format_timespan(timespan1, sizeof(timespan1), v, 0),
4726 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4727 }
4728 if (r < 0)
4729 return bus_log_parse_error(r);
4730
4731 r = sd_bus_message_exit_container(m);
4732 if (r < 0)
4733 return bus_log_parse_error(r);
4734
4735 return 1;
4736
4737 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
4738 const char *base, *spec;
4739 uint64_t next_elapse;
4740
4741 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
4742 if (r < 0)
4743 return bus_log_parse_error(r);
4744
4745 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
4746 char timestamp[FORMAT_TIMESTAMP_MAX];
4747
4748 print_prop(name, "{ %s=%s ; next_elapse=%s }", base, spec,
4749 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
4750 }
4751 if (r < 0)
4752 return bus_log_parse_error(r);
4753
4754 r = sd_bus_message_exit_container(m);
4755 if (r < 0)
4756 return bus_log_parse_error(r);
4757
4758 return 1;
4759
4760 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4761 ExecStatusInfo info = {};
4762
4763 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4764 if (r < 0)
4765 return bus_log_parse_error(r);
4766
4767 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4768 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4769 _cleanup_free_ char *tt;
4770
4771 tt = strv_join(info.argv, " ");
4772
4773 print_prop(name,
4774 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
4775 strna(info.path),
4776 strna(tt),
4777 yes_no(info.ignore),
4778 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4779 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4780 info.pid,
4781 sigchld_code_to_string(info.code),
4782 info.status,
4783 info.code == CLD_EXITED ? "" : "/",
4784 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4785
4786 free(info.path);
4787 strv_free(info.argv);
4788 zero(info);
4789 }
4790
4791 r = sd_bus_message_exit_container(m);
4792 if (r < 0)
4793 return bus_log_parse_error(r);
4794
4795 return 1;
4796
4797 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4798 const char *path, *rwm;
4799
4800 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4801 if (r < 0)
4802 return bus_log_parse_error(r);
4803
4804 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4805 print_prop(name, "%s %s", strna(path), strna(rwm));
4806 if (r < 0)
4807 return bus_log_parse_error(r);
4808
4809 r = sd_bus_message_exit_container(m);
4810 if (r < 0)
4811 return bus_log_parse_error(r);
4812
4813 return 1;
4814
4815 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4816 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
4817 const char *path;
4818 uint64_t weight;
4819
4820 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4821 if (r < 0)
4822 return bus_log_parse_error(r);
4823
4824 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4825 print_prop(name, "%s %"PRIu64, strna(path), weight);
4826 if (r < 0)
4827 return bus_log_parse_error(r);
4828
4829 r = sd_bus_message_exit_container(m);
4830 if (r < 0)
4831 return bus_log_parse_error(r);
4832
4833 return 1;
4834
4835 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4836 (cgroup_io_limit_type_from_string(name) >= 0 ||
4837 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
4838 const char *path;
4839 uint64_t bandwidth;
4840
4841 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4842 if (r < 0)
4843 return bus_log_parse_error(r);
4844
4845 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
4846 print_prop(name, "%s %"PRIu64, strna(path), bandwidth);
4847 if (r < 0)
4848 return bus_log_parse_error(r);
4849
4850 r = sd_bus_message_exit_container(m);
4851 if (r < 0)
4852 return bus_log_parse_error(r);
4853
4854 return 1;
4855
4856 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
4857 _cleanup_free_ char *h = NULL;
4858 const void *p;
4859 size_t sz;
4860 ssize_t n;
4861
4862 r = sd_bus_message_read_array(m, 'y', &p, &sz);
4863 if (r < 0)
4864 return bus_log_parse_error(r);
4865
4866 n = base64mem(p, sz, &h);
4867 if (n < 0)
4868 return log_oom();
4869
4870 print_prop(name, "%s", h);
4871
4872 return 1;
4873 }
4874
4875 break;
4876 }
4877
4878 return 0;
4879 }
4880
4881 typedef enum SystemctlShowMode{
4882 SYSTEMCTL_SHOW_PROPERTIES,
4883 SYSTEMCTL_SHOW_STATUS,
4884 SYSTEMCTL_SHOW_HELP,
4885 _SYSTEMCTL_SHOW_MODE_MAX,
4886 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
4887 } SystemctlShowMode;
4888
4889 static const char* const systemctl_show_mode_table[] = {
4890 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
4891 [SYSTEMCTL_SHOW_STATUS] = "status",
4892 [SYSTEMCTL_SHOW_HELP] = "help",
4893 };
4894
4895 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
4896
4897 static int show_one(
4898 sd_bus *bus,
4899 const char *path,
4900 const char *unit,
4901 SystemctlShowMode show_mode,
4902 bool *new_line,
4903 bool *ellipsized) {
4904
4905 static const struct bus_properties_map property_map[] = {
4906 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
4907 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
4908 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
4909 {}
4910 }, status_map[] = {
4911 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
4912 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
4913 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
4914 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
4915 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
4916 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
4917 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
4918 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
4919 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
4920 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
4921 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
4922 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
4923 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
4924 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
4925 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
4926 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
4927 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
4928 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
4929 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
4930 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
4931 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
4932 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
4933 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
4934 { "MainPID", "u", map_main_pid, 0 },
4935 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
4936 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
4937 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
4938 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
4939 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
4940 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
4941 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
4942 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
4943 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
4944 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
4945 { "Conditions", "a(sbbsi)", map_conditions, 0 },
4946 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
4947 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
4948 { "Asserts", "a(sbbsi)", map_asserts, 0 },
4949 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
4950 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
4951 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
4952 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
4953 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
4954 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
4955 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
4956 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
4957 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
4958 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
4959 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
4960 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
4961 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
4962 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
4963 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
4964 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
4965 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
4966 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
4967 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
4968 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
4969 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
4970 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
4971 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
4972 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
4973 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
4974 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
4975 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
4976 {}
4977 };
4978
4979 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
4980 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4981 _cleanup_set_free_ Set *found_properties = NULL;
4982 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
4983 .memory_current = (uint64_t) -1,
4984 .memory_high = CGROUP_LIMIT_MAX,
4985 .memory_max = CGROUP_LIMIT_MAX,
4986 .memory_swap_max = CGROUP_LIMIT_MAX,
4987 .memory_limit = (uint64_t) -1,
4988 .cpu_usage_nsec = (uint64_t) -1,
4989 .tasks_current = (uint64_t) -1,
4990 .tasks_max = (uint64_t) -1,
4991 .ip_ingress_bytes = (uint64_t) -1,
4992 .ip_egress_bytes = (uint64_t) -1,
4993 };
4994 char **pp;
4995 int r;
4996
4997 assert(path);
4998 assert(new_line);
4999
5000 log_debug("Showing one %s", path);
5001
5002 r = bus_map_all_properties(
5003 bus,
5004 "org.freedesktop.systemd1",
5005 path,
5006 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5007 BUS_MAP_BOOLEAN_AS_BOOL,
5008 &error,
5009 &reply,
5010 &info);
5011 if (r < 0)
5012 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5013
5014 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5015 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5016 "Unit %s could not be found.", unit);
5017
5018 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5019 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5020 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5021 return -ENOENT;
5022 }
5023
5024 if (*new_line)
5025 printf("\n");
5026
5027 *new_line = true;
5028
5029 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5030 print_status_info(bus, &info, ellipsized);
5031
5032 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5033 return EXIT_PROGRAM_NOT_RUNNING;
5034
5035 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5036
5037 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5038 show_unit_help(&info);
5039 return 0;
5040 }
5041
5042 r = sd_bus_message_rewind(reply, true);
5043 if (r < 0)
5044 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5045
5046 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5047 if (r < 0)
5048 return bus_log_parse_error(r);
5049
5050 STRV_FOREACH(pp, arg_properties)
5051 if (!set_contains(found_properties, *pp))
5052 log_debug("Property %s does not exist.", *pp);
5053
5054 return 0;
5055 }
5056
5057 static int get_unit_dbus_path_by_pid(
5058 sd_bus *bus,
5059 uint32_t pid,
5060 char **unit) {
5061
5062 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5063 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5064 char *u;
5065 int r;
5066
5067 r = sd_bus_call_method(
5068 bus,
5069 "org.freedesktop.systemd1",
5070 "/org/freedesktop/systemd1",
5071 "org.freedesktop.systemd1.Manager",
5072 "GetUnitByPID",
5073 &error,
5074 &reply,
5075 "u", pid);
5076 if (r < 0)
5077 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5078
5079 r = sd_bus_message_read(reply, "o", &u);
5080 if (r < 0)
5081 return bus_log_parse_error(r);
5082
5083 u = strdup(u);
5084 if (!u)
5085 return log_oom();
5086
5087 *unit = u;
5088 return 0;
5089 }
5090
5091 static int show_all(
5092 sd_bus *bus,
5093 bool *new_line,
5094 bool *ellipsized) {
5095
5096 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5097 _cleanup_free_ UnitInfo *unit_infos = NULL;
5098 const UnitInfo *u;
5099 unsigned c;
5100 int r, ret = 0;
5101
5102 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5103 if (r < 0)
5104 return r;
5105
5106 (void) pager_open(arg_no_pager, false);
5107
5108 c = (unsigned) r;
5109
5110 qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info);
5111
5112 for (u = unit_infos; u < unit_infos + c; u++) {
5113 _cleanup_free_ char *p = NULL;
5114
5115 p = unit_dbus_path_from_name(u->id);
5116 if (!p)
5117 return log_oom();
5118
5119 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5120 if (r < 0)
5121 return r;
5122 else if (r > 0 && ret == 0)
5123 ret = r;
5124 }
5125
5126 return ret;
5127 }
5128
5129 static int show_system_status(sd_bus *bus) {
5130 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5131 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5132 _cleanup_(machine_info_clear) struct machine_info mi = {};
5133 _cleanup_free_ char *hn = NULL;
5134 const char *on, *off;
5135 int r;
5136
5137 hn = gethostname_malloc();
5138 if (!hn)
5139 return log_oom();
5140
5141 r = bus_map_all_properties(
5142 bus,
5143 "org.freedesktop.systemd1",
5144 "/org/freedesktop/systemd1",
5145 machine_info_property_map,
5146 BUS_MAP_STRDUP,
5147 &error,
5148 NULL,
5149 &mi);
5150 if (r < 0)
5151 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5152
5153 if (streq_ptr(mi.state, "degraded")) {
5154 on = ansi_highlight_red();
5155 off = ansi_normal();
5156 } else if (streq_ptr(mi.state, "running")) {
5157 on = ansi_highlight_green();
5158 off = ansi_normal();
5159 } else {
5160 on = ansi_highlight_yellow();
5161 off = ansi_normal();
5162 }
5163
5164 printf("%s%s%s %s\n", on, special_glyph(BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5165
5166 printf(" State: %s%s%s\n",
5167 on, strna(mi.state), off);
5168
5169 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5170 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5171
5172 printf(" Since: %s; %s\n",
5173 format_timestamp(since2, sizeof(since2), mi.timestamp),
5174 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5175
5176 printf(" CGroup: %s\n", mi.control_group ?: "/");
5177 if (IN_SET(arg_transport,
5178 BUS_TRANSPORT_LOCAL,
5179 BUS_TRANSPORT_MACHINE)) {
5180 static const char prefix[] = " ";
5181 unsigned c;
5182
5183 c = columns();
5184 if (c > sizeof(prefix) - 1)
5185 c -= sizeof(prefix) - 1;
5186 else
5187 c = 0;
5188
5189 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5190 }
5191
5192 return 0;
5193 }
5194
5195 static int show(int argc, char *argv[], void *userdata) {
5196 bool new_line = false, ellipsized = false;
5197 SystemctlShowMode show_mode;
5198 int r, ret = 0;
5199 sd_bus *bus;
5200
5201 assert(argv);
5202
5203 show_mode = systemctl_show_mode_from_string(argv[0]);
5204 if (show_mode < 0) {
5205 log_error("Invalid argument.");
5206 return -EINVAL;
5207 }
5208
5209 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1) {
5210 log_error("This command expects one or more unit names. Did you mean --help?");
5211 return -EINVAL;
5212 }
5213
5214 r = acquire_bus(BUS_MANAGER, &bus);
5215 if (r < 0)
5216 return r;
5217
5218 (void) pager_open(arg_no_pager, false);
5219
5220 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5221 /* Increase max number of open files to 16K if we can, we
5222 * might needs this when browsing journal files, which might
5223 * be split up into many files. */
5224 setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
5225
5226 /* If no argument is specified inspect the manager itself */
5227 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5228 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5229
5230 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5231
5232 show_system_status(bus);
5233 new_line = true;
5234
5235 if (arg_all)
5236 ret = show_all(bus, &new_line, &ellipsized);
5237 } else {
5238 _cleanup_free_ char **patterns = NULL;
5239 char **name;
5240
5241 STRV_FOREACH(name, strv_skip(argv, 1)) {
5242 _cleanup_free_ char *path = NULL, *unit = NULL;
5243 uint32_t id;
5244
5245 if (safe_atou32(*name, &id) < 0) {
5246 if (strv_push(&patterns, *name) < 0)
5247 return log_oom();
5248
5249 continue;
5250 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5251 /* Interpret as job id */
5252 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5253 return log_oom();
5254
5255 } else {
5256 /* Interpret as PID */
5257 r = get_unit_dbus_path_by_pid(bus, id, &path);
5258 if (r < 0) {
5259 ret = r;
5260 continue;
5261 }
5262
5263 r = unit_name_from_dbus_path(path, &unit);
5264 if (r < 0)
5265 return log_oom();
5266 }
5267
5268 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5269 if (r < 0)
5270 return r;
5271 else if (r > 0 && ret == 0)
5272 ret = r;
5273 }
5274
5275 if (!strv_isempty(patterns)) {
5276 _cleanup_strv_free_ char **names = NULL;
5277
5278 r = expand_names(bus, patterns, NULL, &names);
5279 if (r < 0)
5280 return log_error_errno(r, "Failed to expand names: %m");
5281
5282 STRV_FOREACH(name, names) {
5283 _cleanup_free_ char *path;
5284
5285 path = unit_dbus_path_from_name(*name);
5286 if (!path)
5287 return log_oom();
5288
5289 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5290 if (r < 0)
5291 return r;
5292 if (r > 0 && ret == 0)
5293 ret = r;
5294 }
5295 }
5296 }
5297
5298 if (ellipsized && !arg_quiet)
5299 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5300
5301 return ret;
5302 }
5303
5304 static int cat_file(const char *filename, bool newline) {
5305 _cleanup_close_ int fd;
5306
5307 fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY);
5308 if (fd < 0)
5309 return -errno;
5310
5311 printf("%s%s# %s%s\n",
5312 newline ? "\n" : "",
5313 ansi_highlight_blue(),
5314 filename,
5315 ansi_normal());
5316 fflush(stdout);
5317
5318 return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0);
5319 }
5320
5321 static int cat(int argc, char *argv[], void *userdata) {
5322 _cleanup_lookup_paths_free_ LookupPaths lp = {};
5323 _cleanup_strv_free_ char **names = NULL;
5324 char **name;
5325 sd_bus *bus;
5326 bool first = true;
5327 int r;
5328
5329 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5330 log_error("Cannot remotely cat units.");
5331 return -EINVAL;
5332 }
5333
5334 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5335 if (r < 0)
5336 return log_error_errno(r, "Failed to determine unit paths: %m");
5337
5338 r = acquire_bus(BUS_MANAGER, &bus);
5339 if (r < 0)
5340 return r;
5341
5342 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5343 if (r < 0)
5344 return log_error_errno(r, "Failed to expand names: %m");
5345
5346 (void) pager_open(arg_no_pager, false);
5347
5348 STRV_FOREACH(name, names) {
5349 _cleanup_free_ char *fragment_path = NULL;
5350 _cleanup_strv_free_ char **dropin_paths = NULL;
5351 char **path;
5352
5353 r = unit_find_paths(bus, *name, &lp, &fragment_path, &dropin_paths);
5354 if (r < 0)
5355 return r;
5356 else if (r == 0)
5357 return -ENOENT;
5358
5359 if (first)
5360 first = false;
5361 else
5362 puts("");
5363
5364 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5365 fprintf(stderr,
5366 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5367 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5368 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5369 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5370 ansi_highlight_red(),
5371 *name,
5372 ansi_highlight_red(),
5373 ansi_highlight_red(),
5374 ansi_highlight_red(),
5375 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5376 ansi_normal());
5377
5378 if (fragment_path) {
5379 r = cat_file(fragment_path, false);
5380 if (r < 0)
5381 return log_warning_errno(r, "Failed to cat %s: %m", fragment_path);
5382 }
5383
5384 STRV_FOREACH(path, dropin_paths) {
5385 r = cat_file(*path, path == dropin_paths);
5386 if (r < 0)
5387 return log_warning_errno(r, "Failed to cat %s: %m", *path);
5388 }
5389 }
5390
5391 return 0;
5392 }
5393
5394 static int set_property(int argc, char *argv[], void *userdata) {
5395 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5396 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5397 _cleanup_free_ char *n = NULL;
5398 UnitType t;
5399 sd_bus *bus;
5400 int r;
5401
5402 r = acquire_bus(BUS_MANAGER, &bus);
5403 if (r < 0)
5404 return r;
5405
5406 polkit_agent_open_maybe();
5407
5408 r = sd_bus_message_new_method_call(
5409 bus,
5410 &m,
5411 "org.freedesktop.systemd1",
5412 "/org/freedesktop/systemd1",
5413 "org.freedesktop.systemd1.Manager",
5414 "SetUnitProperties");
5415 if (r < 0)
5416 return bus_log_create_error(r);
5417
5418 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5419 if (r < 0)
5420 return log_error_errno(r, "Failed to mangle unit name: %m");
5421
5422 t = unit_name_to_type(n);
5423 if (t < 0) {
5424 log_error("Invalid unit type: %s", n);
5425 return -EINVAL;
5426 }
5427
5428 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5429 if (r < 0)
5430 return bus_log_create_error(r);
5431
5432 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5433 if (r < 0)
5434 return bus_log_create_error(r);
5435
5436 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5437 if (r < 0)
5438 return r;
5439
5440 r = sd_bus_message_close_container(m);
5441 if (r < 0)
5442 return bus_log_create_error(r);
5443
5444 r = sd_bus_call(bus, m, 0, &error, NULL);
5445 if (r < 0)
5446 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5447
5448 return 0;
5449 }
5450
5451 static int daemon_reload(int argc, char *argv[], void *userdata) {
5452 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5453 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5454 const char *method;
5455 sd_bus *bus;
5456 int r;
5457
5458 r = acquire_bus(BUS_MANAGER, &bus);
5459 if (r < 0)
5460 return r;
5461
5462 polkit_agent_open_maybe();
5463
5464 switch (arg_action) {
5465
5466 case ACTION_RELOAD:
5467 method = "Reload";
5468 break;
5469
5470 case ACTION_REEXEC:
5471 method = "Reexecute";
5472 break;
5473
5474 case ACTION_SYSTEMCTL:
5475 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5476 /* "daemon-reload" */ "Reload";
5477 break;
5478
5479 default:
5480 assert_not_reached("Unexpected action");
5481 }
5482
5483 r = sd_bus_message_new_method_call(
5484 bus,
5485 &m,
5486 "org.freedesktop.systemd1",
5487 "/org/freedesktop/systemd1",
5488 "org.freedesktop.systemd1.Manager",
5489 method);
5490 if (r < 0)
5491 return bus_log_create_error(r);
5492
5493 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5494 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5495 * their timeout, and for everything else there's the same time budget in place. */
5496
5497 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5498
5499 /* On reexecution, we expect a disconnect, not a reply */
5500 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
5501 r = 0;
5502
5503 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5504 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
5505
5506 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5507 * old ways of doing things, hence don't log any error in that case here. */
5508
5509 return r < 0 ? r : 0;
5510 }
5511
5512 static int trivial_method(int argc, char *argv[], void *userdata) {
5513 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5514 const char *method;
5515 sd_bus *bus;
5516 int r;
5517
5518 if (arg_dry_run)
5519 return 0;
5520
5521 r = acquire_bus(BUS_MANAGER, &bus);
5522 if (r < 0)
5523 return r;
5524
5525 polkit_agent_open_maybe();
5526
5527 method =
5528 streq(argv[0], "clear-jobs") ||
5529 streq(argv[0], "cancel") ? "ClearJobs" :
5530 streq(argv[0], "reset-failed") ? "ResetFailed" :
5531 streq(argv[0], "halt") ? "Halt" :
5532 streq(argv[0], "reboot") ? "Reboot" :
5533 streq(argv[0], "kexec") ? "KExec" :
5534 streq(argv[0], "exit") ? "Exit" :
5535 /* poweroff */ "PowerOff";
5536
5537 r = sd_bus_call_method(
5538 bus,
5539 "org.freedesktop.systemd1",
5540 "/org/freedesktop/systemd1",
5541 "org.freedesktop.systemd1.Manager",
5542 method,
5543 &error,
5544 NULL,
5545 NULL);
5546 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5547 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
5548
5549 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5550 * old ways of doing things, hence don't log any error in that case here. */
5551
5552 return r < 0 ? r : 0;
5553 }
5554
5555 static int reset_failed(int argc, char *argv[], void *userdata) {
5556 _cleanup_strv_free_ char **names = NULL;
5557 sd_bus *bus;
5558 char **name;
5559 int r, q;
5560
5561 if (argc <= 1)
5562 return trivial_method(argc, argv, userdata);
5563
5564 r = acquire_bus(BUS_MANAGER, &bus);
5565 if (r < 0)
5566 return r;
5567
5568 polkit_agent_open_maybe();
5569
5570 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5571 if (r < 0)
5572 return log_error_errno(r, "Failed to expand names: %m");
5573
5574 STRV_FOREACH(name, names) {
5575 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5576
5577 q = sd_bus_call_method(
5578 bus,
5579 "org.freedesktop.systemd1",
5580 "/org/freedesktop/systemd1",
5581 "org.freedesktop.systemd1.Manager",
5582 "ResetFailedUnit",
5583 &error,
5584 NULL,
5585 "s", *name);
5586 if (q < 0) {
5587 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
5588 if (r == 0)
5589 r = q;
5590 }
5591 }
5592
5593 return r;
5594 }
5595
5596 static int print_variable(const char *s) {
5597 const char *sep;
5598 _cleanup_free_ char *esc = NULL;
5599
5600 sep = strchr(s, '=');
5601 if (!sep) {
5602 log_error("Invalid environment block");
5603 return -EUCLEAN;
5604 }
5605
5606 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
5607 if (!esc)
5608 return log_oom();
5609
5610 printf("%.*s=%s\n", (int)(sep-s), s, esc);
5611 return 0;
5612 }
5613
5614 static int show_environment(int argc, char *argv[], void *userdata) {
5615 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5616 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5617 const char *text;
5618 sd_bus *bus;
5619 int r;
5620
5621 r = acquire_bus(BUS_MANAGER, &bus);
5622 if (r < 0)
5623 return r;
5624
5625 (void) pager_open(arg_no_pager, false);
5626
5627 r = sd_bus_get_property(
5628 bus,
5629 "org.freedesktop.systemd1",
5630 "/org/freedesktop/systemd1",
5631 "org.freedesktop.systemd1.Manager",
5632 "Environment",
5633 &error,
5634 &reply,
5635 "as");
5636 if (r < 0)
5637 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
5638
5639 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
5640 if (r < 0)
5641 return bus_log_parse_error(r);
5642
5643 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
5644 r = print_variable(text);
5645 if (r < 0)
5646 return r;
5647 }
5648 if (r < 0)
5649 return bus_log_parse_error(r);
5650
5651 r = sd_bus_message_exit_container(reply);
5652 if (r < 0)
5653 return bus_log_parse_error(r);
5654
5655 return 0;
5656 }
5657
5658 static int switch_root(int argc, char *argv[], void *userdata) {
5659 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5660 _cleanup_free_ char *cmdline_init = NULL;
5661 const char *root, *init;
5662 sd_bus *bus;
5663 int r;
5664
5665 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5666 log_error("Cannot switch root remotely.");
5667 return -EINVAL;
5668 }
5669
5670 if (argc < 2 || argc > 3) {
5671 log_error("Wrong number of arguments.");
5672 return -EINVAL;
5673 }
5674
5675 root = argv[1];
5676
5677 if (argc >= 3)
5678 init = argv[2];
5679 else {
5680 r = parse_env_file("/proc/cmdline", WHITESPACE,
5681 "init", &cmdline_init,
5682 NULL);
5683 if (r < 0)
5684 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
5685
5686 init = cmdline_init;
5687 }
5688
5689 init = empty_to_null(init);
5690 if (init) {
5691 const char *root_systemd_path = NULL, *root_init_path = NULL;
5692
5693 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
5694 root_init_path = strjoina(root, "/", init);
5695
5696 /* If the passed init is actually the same as the
5697 * systemd binary, then let's suppress it. */
5698 if (files_same(root_init_path, root_systemd_path, 0) > 0)
5699 init = NULL;
5700 }
5701
5702 /* Instruct PID1 to exclude us from its killing spree applied during
5703 * the transition. Otherwise we would exit with a failure status even
5704 * though the switch to the new root has succeed. */
5705 argv_cmdline[0] = '@';
5706
5707 r = acquire_bus(BUS_MANAGER, &bus);
5708 if (r < 0)
5709 return r;
5710
5711 /* If we are slow to exit after the root switch, the new systemd instance
5712 * will send us a signal to terminate. Just ignore it and exit normally.
5713 * This way the unit does not end up as failed.
5714 */
5715 r = ignore_signals(SIGTERM, -1);
5716 if (r < 0)
5717 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
5718
5719 log_debug("Switching root - root: %s; init: %s", root, strna(init));
5720
5721 r = sd_bus_call_method(
5722 bus,
5723 "org.freedesktop.systemd1",
5724 "/org/freedesktop/systemd1",
5725 "org.freedesktop.systemd1.Manager",
5726 "SwitchRoot",
5727 &error,
5728 NULL,
5729 "ss", root, init);
5730 if (r < 0) {
5731 (void) default_signals(SIGTERM, -1);
5732
5733 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
5734 }
5735
5736 return 0;
5737 }
5738
5739 static int set_environment(int argc, char *argv[], void *userdata) {
5740 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5741 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5742 const char *method;
5743 sd_bus *bus;
5744 int r;
5745
5746 assert(argc > 1);
5747 assert(argv);
5748
5749 r = acquire_bus(BUS_MANAGER, &bus);
5750 if (r < 0)
5751 return r;
5752
5753 polkit_agent_open_maybe();
5754
5755 method = streq(argv[0], "set-environment")
5756 ? "SetEnvironment"
5757 : "UnsetEnvironment";
5758
5759 r = sd_bus_message_new_method_call(
5760 bus,
5761 &m,
5762 "org.freedesktop.systemd1",
5763 "/org/freedesktop/systemd1",
5764 "org.freedesktop.systemd1.Manager",
5765 method);
5766 if (r < 0)
5767 return bus_log_create_error(r);
5768
5769 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
5770 if (r < 0)
5771 return bus_log_create_error(r);
5772
5773 r = sd_bus_call(bus, m, 0, &error, NULL);
5774 if (r < 0)
5775 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
5776
5777 return 0;
5778 }
5779
5780 static int import_environment(int argc, char *argv[], void *userdata) {
5781 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5782 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5783 sd_bus *bus;
5784 int r;
5785
5786 r = acquire_bus(BUS_MANAGER, &bus);
5787 if (r < 0)
5788 return r;
5789
5790 polkit_agent_open_maybe();
5791
5792 r = sd_bus_message_new_method_call(
5793 bus,
5794 &m,
5795 "org.freedesktop.systemd1",
5796 "/org/freedesktop/systemd1",
5797 "org.freedesktop.systemd1.Manager",
5798 "SetEnvironment");
5799 if (r < 0)
5800 return bus_log_create_error(r);
5801
5802 if (argc < 2)
5803 r = sd_bus_message_append_strv(m, environ);
5804 else {
5805 char **a, **b;
5806
5807 r = sd_bus_message_open_container(m, 'a', "s");
5808 if (r < 0)
5809 return bus_log_create_error(r);
5810
5811 STRV_FOREACH(a, strv_skip(argv, 1)) {
5812
5813 if (!env_name_is_valid(*a)) {
5814 log_error("Not a valid environment variable name: %s", *a);
5815 return -EINVAL;
5816 }
5817
5818 STRV_FOREACH(b, environ) {
5819 const char *eq;
5820
5821 eq = startswith(*b, *a);
5822 if (eq && *eq == '=') {
5823
5824 r = sd_bus_message_append(m, "s", *b);
5825 if (r < 0)
5826 return bus_log_create_error(r);
5827
5828 break;
5829 }
5830 }
5831 }
5832
5833 r = sd_bus_message_close_container(m);
5834 }
5835 if (r < 0)
5836 return bus_log_create_error(r);
5837
5838 r = sd_bus_call(bus, m, 0, &error, NULL);
5839 if (r < 0)
5840 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
5841
5842 return 0;
5843 }
5844
5845 static int enable_sysv_units(const char *verb, char **args) {
5846 int r = 0;
5847
5848 #if HAVE_SYSV_COMPAT
5849 _cleanup_lookup_paths_free_ LookupPaths paths = {};
5850 unsigned f = 0;
5851
5852 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
5853
5854 if (arg_scope != UNIT_FILE_SYSTEM)
5855 return 0;
5856
5857 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
5858 return 0;
5859
5860 if (!STR_IN_SET(verb,
5861 "enable",
5862 "disable",
5863 "is-enabled"))
5864 return 0;
5865
5866 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
5867 if (r < 0)
5868 return r;
5869
5870 r = 0;
5871 while (args[f]) {
5872
5873 const char *argv[] = {
5874 ROOTLIBEXECDIR "/systemd-sysv-install",
5875 NULL,
5876 NULL,
5877 NULL,
5878 NULL,
5879 };
5880
5881 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5882 bool found_native = false, found_sysv;
5883 const char *name;
5884 unsigned c = 1;
5885 pid_t pid;
5886 int j;
5887
5888 name = args[f++];
5889
5890 if (!endswith(name, ".service"))
5891 continue;
5892
5893 if (path_is_absolute(name))
5894 continue;
5895
5896 j = unit_file_exists(arg_scope, &paths, name);
5897 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
5898 return log_error_errno(j, "Failed to lookup unit file state: %m");
5899 found_native = j != 0;
5900
5901 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
5902 * prefer the native unit */
5903 if (found_native && streq(verb, "is-enabled"))
5904 continue;
5905
5906 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
5907 if (!p)
5908 return log_oom();
5909
5910 p[strlen(p) - STRLEN(".service")] = 0;
5911 found_sysv = access(p, F_OK) >= 0;
5912 if (!found_sysv)
5913 continue;
5914
5915 if (!arg_quiet) {
5916 if (found_native)
5917 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
5918 else
5919 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
5920 }
5921
5922 if (!isempty(arg_root))
5923 argv[c++] = q = strappend("--root=", arg_root);
5924
5925 argv[c++] = verb;
5926 argv[c++] = basename(p);
5927 argv[c] = NULL;
5928
5929 l = strv_join((char**)argv, " ");
5930 if (!l)
5931 return log_oom();
5932
5933 if (!arg_quiet)
5934 log_info("Executing: %s", l);
5935
5936 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
5937 if (j < 0)
5938 return j;
5939 if (j == 0) {
5940 /* Child */
5941 execv(argv[0], (char**) argv);
5942 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
5943 _exit(EXIT_FAILURE);
5944 }
5945
5946 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
5947 if (j < 0)
5948 return j;
5949 if (streq(verb, "is-enabled")) {
5950 if (j == EXIT_SUCCESS) {
5951 if (!arg_quiet)
5952 puts("enabled");
5953 r = 1;
5954 } else {
5955 if (!arg_quiet)
5956 puts("disabled");
5957 }
5958
5959 } else if (j != EXIT_SUCCESS)
5960 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
5961
5962 if (found_native)
5963 continue;
5964
5965 /* Remove this entry, so that we don't try enabling it as native unit */
5966 assert(f > 0);
5967 f--;
5968 assert(args[f] == name);
5969 strv_remove(args, name);
5970 }
5971
5972 #endif
5973 return r;
5974 }
5975
5976 static int mangle_names(char **original_names, char ***mangled_names) {
5977 char **i, **l, **name;
5978 int r;
5979
5980 l = i = new(char*, strv_length(original_names) + 1);
5981 if (!l)
5982 return log_oom();
5983
5984 STRV_FOREACH(name, original_names) {
5985
5986 /* When enabling units qualified path names are OK,
5987 * too, hence allow them explicitly. */
5988
5989 if (is_path(*name)) {
5990 *i = strdup(*name);
5991 if (!*i) {
5992 strv_free(l);
5993 return log_oom();
5994 }
5995 } else {
5996 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
5997 if (r < 0) {
5998 *i = NULL;
5999 strv_free(l);
6000 return log_error_errno(r, "Failed to mangle unit name: %m");
6001 }
6002 }
6003
6004 i++;
6005 }
6006
6007 *i = NULL;
6008 *mangled_names = l;
6009
6010 return 0;
6011 }
6012
6013 static int normalize_filenames(char **names) {
6014 char **u;
6015 int r;
6016
6017 STRV_FOREACH(u, names)
6018 if (!path_is_absolute(*u)) {
6019 char* normalized_path;
6020
6021 if (!isempty(arg_root)) {
6022 log_error("Non-absolute paths are not allowed when --root is used: %s", *u);
6023 return -EINVAL;
6024 }
6025
6026 if (!strchr(*u,'/')) {
6027 log_error("Link argument does contain at least one directory separator: %s", *u);
6028 return -EINVAL;
6029 }
6030
6031 r = path_make_absolute_cwd(*u, &normalized_path);
6032 if (r < 0)
6033 return r;
6034
6035 free_and_replace(*u, normalized_path);
6036 }
6037
6038 return 0;
6039 }
6040
6041 static int normalize_names(char **names, bool warn_if_path) {
6042 char **u;
6043 bool was_path = false;
6044
6045 STRV_FOREACH(u, names) {
6046 int r;
6047
6048 if (!is_path(*u))
6049 continue;
6050
6051 r = free_and_strdup(u, basename(*u));
6052 if (r < 0)
6053 return log_error_errno(r, "Failed to normalize unit file path: %m");
6054
6055 was_path = true;
6056 }
6057
6058 if (warn_if_path && was_path)
6059 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6060
6061 return 0;
6062 }
6063
6064 static int unit_exists(LookupPaths *lp, const char *unit) {
6065 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6066 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6067 _cleanup_free_ char *path = NULL;
6068 static const struct bus_properties_map property_map[] = {
6069 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6070 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6071 {},
6072 };
6073 UnitStatusInfo info = {};
6074 sd_bus *bus;
6075 int r;
6076
6077 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6078 return unit_find_template_path(unit, lp, NULL, NULL);
6079
6080 path = unit_dbus_path_from_name(unit);
6081 if (!path)
6082 return log_oom();
6083
6084 r = acquire_bus(BUS_MANAGER, &bus);
6085 if (r < 0)
6086 return r;
6087
6088 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6089 if (r < 0)
6090 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6091
6092 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6093 }
6094
6095 static int enable_unit(int argc, char *argv[], void *userdata) {
6096 _cleanup_strv_free_ char **names = NULL;
6097 const char *verb = argv[0];
6098 UnitFileChange *changes = NULL;
6099 unsigned n_changes = 0;
6100 int carries_install_info = -1;
6101 bool ignore_carries_install_info = arg_quiet;
6102 int r;
6103
6104 if (!argv[1])
6105 return 0;
6106
6107 r = mangle_names(strv_skip(argv, 1), &names);
6108 if (r < 0)
6109 return r;
6110
6111 r = enable_sysv_units(verb, names);
6112 if (r < 0)
6113 return r;
6114
6115 /* If the operation was fully executed by the SysV compat, let's finish early */
6116 if (strv_isempty(names)) {
6117 if (arg_no_reload || install_client_side())
6118 return 0;
6119 return daemon_reload(argc, argv, userdata);
6120 }
6121
6122 if (streq(verb, "disable")) {
6123 r = normalize_names(names, true);
6124 if (r < 0)
6125 return r;
6126 }
6127
6128 if (streq(verb, "link")) {
6129 r = normalize_filenames(names);
6130 if (r < 0)
6131 return r;
6132 }
6133
6134 if (install_client_side()) {
6135 UnitFileFlags flags;
6136
6137 flags = args_to_flags();
6138 if (streq(verb, "enable")) {
6139 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6140 carries_install_info = r;
6141 } else if (streq(verb, "disable"))
6142 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6143 else if (streq(verb, "reenable")) {
6144 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6145 carries_install_info = r;
6146 } else if (streq(verb, "link"))
6147 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6148 else if (streq(verb, "preset")) {
6149 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6150 } else if (streq(verb, "mask"))
6151 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6152 else if (streq(verb, "unmask"))
6153 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6154 else if (streq(verb, "revert"))
6155 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6156 else
6157 assert_not_reached("Unknown verb");
6158
6159 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6160 if (r < 0)
6161 goto finish;
6162 r = 0;
6163 } else {
6164 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6165 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6166 bool expect_carries_install_info = false;
6167 bool send_runtime = true, send_force = true, send_preset_mode = false;
6168 const char *method;
6169 sd_bus *bus;
6170
6171 if (STR_IN_SET(verb, "mask", "unmask")) {
6172 char **name;
6173 _cleanup_lookup_paths_free_ LookupPaths lp = {};
6174
6175 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6176 if (r < 0)
6177 return r;
6178
6179 STRV_FOREACH(name, names) {
6180 r = unit_exists(&lp, *name);
6181 if (r < 0)
6182 return r;
6183 if (r == 0)
6184 log_notice("Unit %s does not exist, proceeding anyway.", *names);
6185 }
6186 }
6187
6188 r = acquire_bus(BUS_MANAGER, &bus);
6189 if (r < 0)
6190 return r;
6191
6192 polkit_agent_open_maybe();
6193
6194 if (streq(verb, "enable")) {
6195 method = "EnableUnitFiles";
6196 expect_carries_install_info = true;
6197 } else if (streq(verb, "disable")) {
6198 method = "DisableUnitFiles";
6199 send_force = false;
6200 } else if (streq(verb, "reenable")) {
6201 method = "ReenableUnitFiles";
6202 expect_carries_install_info = true;
6203 } else if (streq(verb, "link"))
6204 method = "LinkUnitFiles";
6205 else if (streq(verb, "preset")) {
6206
6207 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6208 method = "PresetUnitFilesWithMode";
6209 send_preset_mode = true;
6210 } else
6211 method = "PresetUnitFiles";
6212
6213 expect_carries_install_info = true;
6214 ignore_carries_install_info = true;
6215 } else if (streq(verb, "mask"))
6216 method = "MaskUnitFiles";
6217 else if (streq(verb, "unmask")) {
6218 method = "UnmaskUnitFiles";
6219 send_force = false;
6220 } else if (streq(verb, "revert")) {
6221 method = "RevertUnitFiles";
6222 send_runtime = send_force = false;
6223 } else
6224 assert_not_reached("Unknown verb");
6225
6226 r = sd_bus_message_new_method_call(
6227 bus,
6228 &m,
6229 "org.freedesktop.systemd1",
6230 "/org/freedesktop/systemd1",
6231 "org.freedesktop.systemd1.Manager",
6232 method);
6233 if (r < 0)
6234 return bus_log_create_error(r);
6235
6236 r = sd_bus_message_append_strv(m, names);
6237 if (r < 0)
6238 return bus_log_create_error(r);
6239
6240 if (send_preset_mode) {
6241 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6242 if (r < 0)
6243 return bus_log_create_error(r);
6244 }
6245
6246 if (send_runtime) {
6247 r = sd_bus_message_append(m, "b", arg_runtime);
6248 if (r < 0)
6249 return bus_log_create_error(r);
6250 }
6251
6252 if (send_force) {
6253 r = sd_bus_message_append(m, "b", arg_force);
6254 if (r < 0)
6255 return bus_log_create_error(r);
6256 }
6257
6258 r = sd_bus_call(bus, m, 0, &error, &reply);
6259 if (r < 0)
6260 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6261
6262 if (expect_carries_install_info) {
6263 r = sd_bus_message_read(reply, "b", &carries_install_info);
6264 if (r < 0)
6265 return bus_log_parse_error(r);
6266 }
6267
6268 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6269 if (r < 0)
6270 goto finish;
6271
6272 /* Try to reload if enabled */
6273 if (!arg_no_reload)
6274 r = daemon_reload(argc, argv, userdata);
6275 else
6276 r = 0;
6277 }
6278
6279 if (carries_install_info == 0 && !ignore_carries_install_info)
6280 log_warning("The unit files have no installation config (WantedBy, RequiredBy, Also, Alias\n"
6281 "settings in the [Install] section, and DefaultInstance for template units).\n"
6282 "This means they are not meant to be enabled using systemctl.\n"
6283 "Possible reasons for having this kind of units are:\n"
6284 "1) A unit may be statically enabled by being symlinked from another unit's\n"
6285 " .wants/ or .requires/ directory.\n"
6286 "2) A unit's purpose may be to act as a helper for some other unit which has\n"
6287 " a requirement dependency on it.\n"
6288 "3) A unit may be started when needed via activation (socket, path, timer,\n"
6289 " D-Bus, udev, scripted systemctl call, ...).\n"
6290 "4) In case of template units, the unit is meant to be enabled with some\n"
6291 " instance name specified.");
6292
6293 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6294 sd_bus *bus;
6295 unsigned len, i;
6296
6297 r = acquire_bus(BUS_MANAGER, &bus);
6298 if (r < 0)
6299 goto finish;
6300
6301 len = strv_length(names);
6302 {
6303 char *new_args[len + 2];
6304
6305 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6306 for (i = 0; i < len; i++)
6307 new_args[i + 1] = basename(names[i]);
6308 new_args[i + 1] = NULL;
6309
6310 r = start_unit(len + 1, new_args, userdata);
6311 }
6312 }
6313
6314 finish:
6315 unit_file_changes_free(changes, n_changes);
6316
6317 return r;
6318 }
6319
6320 static int add_dependency(int argc, char *argv[], void *userdata) {
6321 _cleanup_strv_free_ char **names = NULL;
6322 _cleanup_free_ char *target = NULL;
6323 const char *verb = argv[0];
6324 UnitFileChange *changes = NULL;
6325 unsigned n_changes = 0;
6326 UnitDependency dep;
6327 int r = 0;
6328
6329 if (!argv[1])
6330 return 0;
6331
6332 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6333 if (r < 0)
6334 return log_error_errno(r, "Failed to mangle unit name: %m");
6335
6336 r = mangle_names(strv_skip(argv, 2), &names);
6337 if (r < 0)
6338 return r;
6339
6340 if (streq(verb, "add-wants"))
6341 dep = UNIT_WANTS;
6342 else if (streq(verb, "add-requires"))
6343 dep = UNIT_REQUIRES;
6344 else
6345 assert_not_reached("Unknown verb");
6346
6347 if (install_client_side()) {
6348 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6349 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6350
6351 if (r > 0)
6352 r = 0;
6353 } else {
6354 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6355 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6356 sd_bus *bus;
6357
6358 r = acquire_bus(BUS_MANAGER, &bus);
6359 if (r < 0)
6360 return r;
6361
6362 polkit_agent_open_maybe();
6363
6364 r = sd_bus_message_new_method_call(
6365 bus,
6366 &m,
6367 "org.freedesktop.systemd1",
6368 "/org/freedesktop/systemd1",
6369 "org.freedesktop.systemd1.Manager",
6370 "AddDependencyUnitFiles");
6371 if (r < 0)
6372 return bus_log_create_error(r);
6373
6374 r = sd_bus_message_append_strv(m, names);
6375 if (r < 0)
6376 return bus_log_create_error(r);
6377
6378 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6379 if (r < 0)
6380 return bus_log_create_error(r);
6381
6382 r = sd_bus_call(bus, m, 0, &error, &reply);
6383 if (r < 0)
6384 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6385
6386 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6387 if (r < 0)
6388 goto finish;
6389
6390 if (arg_no_reload) {
6391 r = 0;
6392 goto finish;
6393 }
6394
6395 r = daemon_reload(argc, argv, userdata);
6396 }
6397
6398 finish:
6399 unit_file_changes_free(changes, n_changes);
6400
6401 return r;
6402 }
6403
6404 static int preset_all(int argc, char *argv[], void *userdata) {
6405 UnitFileChange *changes = NULL;
6406 unsigned n_changes = 0;
6407 int r;
6408
6409 if (install_client_side()) {
6410 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6411 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6412
6413 if (r > 0)
6414 r = 0;
6415 } else {
6416 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6417 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6418 sd_bus *bus;
6419
6420 r = acquire_bus(BUS_MANAGER, &bus);
6421 if (r < 0)
6422 return r;
6423
6424 polkit_agent_open_maybe();
6425
6426 r = sd_bus_call_method(
6427 bus,
6428 "org.freedesktop.systemd1",
6429 "/org/freedesktop/systemd1",
6430 "org.freedesktop.systemd1.Manager",
6431 "PresetAllUnitFiles",
6432 &error,
6433 &reply,
6434 "sbb",
6435 unit_file_preset_mode_to_string(arg_preset_mode),
6436 arg_runtime,
6437 arg_force);
6438 if (r < 0)
6439 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6440
6441 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6442 if (r < 0)
6443 goto finish;
6444
6445 if (arg_no_reload) {
6446 r = 0;
6447 goto finish;
6448 }
6449
6450 r = daemon_reload(argc, argv, userdata);
6451 }
6452
6453 finish:
6454 unit_file_changes_free(changes, n_changes);
6455
6456 return r;
6457 }
6458
6459 static int show_installation_targets_client_side(const char *name) {
6460 UnitFileChange *changes = NULL;
6461 unsigned n_changes = 0, i;
6462 UnitFileFlags flags;
6463 char **p;
6464 int r;
6465
6466 p = STRV_MAKE(name);
6467 flags = UNIT_FILE_DRY_RUN |
6468 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6469
6470 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6471 if (r < 0)
6472 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6473
6474 for (i = 0; i < n_changes; i++)
6475 if (changes[i].type == UNIT_FILE_UNLINK)
6476 printf(" %s\n", changes[i].path);
6477
6478 return 0;
6479 }
6480
6481 static int show_installation_targets(sd_bus *bus, const char *name) {
6482 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6483 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6484 const char *link;
6485 int r;
6486
6487 r = sd_bus_call_method(
6488 bus,
6489 "org.freedesktop.systemd1",
6490 "/org/freedesktop/systemd1",
6491 "org.freedesktop.systemd1.Manager",
6492 "GetUnitFileLinks",
6493 &error,
6494 &reply,
6495 "sb", name, arg_runtime);
6496 if (r < 0)
6497 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
6498
6499 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6500 if (r < 0)
6501 return bus_log_parse_error(r);
6502
6503 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
6504 printf(" %s\n", link);
6505
6506 if (r < 0)
6507 return bus_log_parse_error(r);
6508
6509 r = sd_bus_message_exit_container(reply);
6510 if (r < 0)
6511 return bus_log_parse_error(r);
6512
6513 return 0;
6514 }
6515
6516 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
6517
6518 _cleanup_strv_free_ char **names = NULL;
6519 bool enabled;
6520 char **name;
6521 int r;
6522
6523 r = mangle_names(strv_skip(argv, 1), &names);
6524 if (r < 0)
6525 return r;
6526
6527 r = enable_sysv_units(argv[0], names);
6528 if (r < 0)
6529 return r;
6530
6531 enabled = r > 0;
6532
6533 if (install_client_side()) {
6534 STRV_FOREACH(name, names) {
6535 UnitFileState state;
6536
6537 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
6538 if (r < 0)
6539 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
6540
6541 if (IN_SET(state,
6542 UNIT_FILE_ENABLED,
6543 UNIT_FILE_ENABLED_RUNTIME,
6544 UNIT_FILE_STATIC,
6545 UNIT_FILE_INDIRECT,
6546 UNIT_FILE_GENERATED))
6547 enabled = true;
6548
6549 if (!arg_quiet) {
6550 puts(unit_file_state_to_string(state));
6551 if (arg_full) {
6552 r = show_installation_targets_client_side(*name);
6553 if (r < 0)
6554 return r;
6555 }
6556 }
6557 }
6558
6559 r = 0;
6560 } else {
6561 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6562 sd_bus *bus;
6563
6564 r = acquire_bus(BUS_MANAGER, &bus);
6565 if (r < 0)
6566 return r;
6567
6568 STRV_FOREACH(name, names) {
6569 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6570 const char *s;
6571
6572 r = sd_bus_call_method(
6573 bus,
6574 "org.freedesktop.systemd1",
6575 "/org/freedesktop/systemd1",
6576 "org.freedesktop.systemd1.Manager",
6577 "GetUnitFileState",
6578 &error,
6579 &reply,
6580 "s", *name);
6581 if (r < 0)
6582 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
6583
6584 r = sd_bus_message_read(reply, "s", &s);
6585 if (r < 0)
6586 return bus_log_parse_error(r);
6587
6588 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
6589 enabled = true;
6590
6591 if (!arg_quiet) {
6592 puts(s);
6593 if (arg_full) {
6594 r = show_installation_targets(bus, *name);
6595 if (r < 0)
6596 return r;
6597 }
6598 }
6599 }
6600 }
6601
6602 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
6603 }
6604
6605 static int is_system_running(int argc, char *argv[], void *userdata) {
6606 _cleanup_free_ char *state = NULL;
6607 sd_bus *bus;
6608 int r;
6609
6610 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
6611 if (!arg_quiet)
6612 puts("offline");
6613 return EXIT_FAILURE;
6614 }
6615
6616 r = acquire_bus(BUS_MANAGER, &bus);
6617 if (r < 0)
6618 return r;
6619
6620 r = sd_bus_get_property_string(
6621 bus,
6622 "org.freedesktop.systemd1",
6623 "/org/freedesktop/systemd1",
6624 "org.freedesktop.systemd1.Manager",
6625 "SystemState",
6626 NULL,
6627 &state);
6628 if (r < 0) {
6629 if (!arg_quiet)
6630 puts("unknown");
6631 return 0;
6632 }
6633
6634 if (!arg_quiet)
6635 puts(state);
6636
6637 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
6638 }
6639
6640 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
6641 _cleanup_free_ char *t = NULL;
6642 int r;
6643
6644 assert(new_path);
6645 assert(original_path);
6646 assert(ret_tmp_fn);
6647
6648 r = tempfn_random(new_path, NULL, &t);
6649 if (r < 0)
6650 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
6651
6652 r = mkdir_parents(new_path, 0755);
6653 if (r < 0)
6654 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
6655
6656 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
6657 if (r == -ENOENT) {
6658
6659 r = touch(t);
6660 if (r < 0)
6661 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
6662
6663 } else if (r < 0)
6664 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
6665
6666 *ret_tmp_fn = TAKE_PTR(t);
6667
6668 return 0;
6669 }
6670
6671 static int get_file_to_edit(
6672 const LookupPaths *paths,
6673 const char *name,
6674 char **ret_path) {
6675
6676 _cleanup_free_ char *path = NULL, *run = NULL;
6677
6678 assert(name);
6679 assert(ret_path);
6680
6681 path = strjoin(paths->persistent_config, "/", name);
6682 if (!path)
6683 return log_oom();
6684
6685 if (arg_runtime) {
6686 run = strjoin(paths->runtime_config, "/", name);
6687 if (!run)
6688 return log_oom();
6689 }
6690
6691 if (arg_runtime) {
6692 if (access(path, F_OK) >= 0) {
6693 log_error("Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.", run, path);
6694 return -EEXIST;
6695 }
6696
6697 *ret_path = TAKE_PTR(run);
6698 } else
6699 *ret_path = TAKE_PTR(path);
6700
6701 return 0;
6702 }
6703
6704 static int unit_file_create_new(
6705 const LookupPaths *paths,
6706 const char *unit_name,
6707 const char *suffix,
6708 char **ret_new_path,
6709 char **ret_tmp_path) {
6710
6711 char *tmp_new_path, *tmp_tmp_path, *ending;
6712 int r;
6713
6714 assert(unit_name);
6715 assert(ret_new_path);
6716 assert(ret_tmp_path);
6717
6718 ending = strjoina(unit_name, suffix);
6719 r = get_file_to_edit(paths, ending, &tmp_new_path);
6720 if (r < 0)
6721 return r;
6722
6723 r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path);
6724 if (r < 0) {
6725 free(tmp_new_path);
6726 return r;
6727 }
6728
6729 *ret_new_path = tmp_new_path;
6730 *ret_tmp_path = tmp_tmp_path;
6731
6732 return 0;
6733 }
6734
6735 static int unit_file_create_copy(
6736 const LookupPaths *paths,
6737 const char *unit_name,
6738 const char *fragment_path,
6739 char **ret_new_path,
6740 char **ret_tmp_path) {
6741
6742 char *tmp_new_path, *tmp_tmp_path;
6743 int r;
6744
6745 assert(fragment_path);
6746 assert(unit_name);
6747 assert(ret_new_path);
6748 assert(ret_tmp_path);
6749
6750 r = get_file_to_edit(paths, unit_name, &tmp_new_path);
6751 if (r < 0)
6752 return r;
6753
6754 if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) {
6755 char response;
6756
6757 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path);
6758 if (r < 0) {
6759 free(tmp_new_path);
6760 return r;
6761 }
6762 if (response != 'y') {
6763 log_warning("%s ignored", unit_name);
6764 free(tmp_new_path);
6765 return -EKEYREJECTED;
6766 }
6767 }
6768
6769 r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path);
6770 if (r < 0) {
6771 free(tmp_new_path);
6772 return r;
6773 }
6774
6775 *ret_new_path = tmp_new_path;
6776 *ret_tmp_path = tmp_tmp_path;
6777
6778 return 0;
6779 }
6780
6781 static int run_editor(char **paths) {
6782 int r;
6783
6784 assert(paths);
6785
6786 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG|FORK_WAIT, NULL);
6787 if (r < 0)
6788 return r;
6789 if (r == 0) {
6790 const char **args;
6791 char *editor, **editor_args = NULL;
6792 char **tmp_path, **original_path, *p;
6793 unsigned n_editor_args = 0, i = 1;
6794 size_t argc;
6795
6796 argc = strv_length(paths)/2 + 1;
6797
6798 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
6799 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
6800 * we try to execute well known editors
6801 */
6802 editor = getenv("SYSTEMD_EDITOR");
6803 if (!editor)
6804 editor = getenv("EDITOR");
6805 if (!editor)
6806 editor = getenv("VISUAL");
6807
6808 if (!isempty(editor)) {
6809 editor_args = strv_split(editor, WHITESPACE);
6810 if (!editor_args) {
6811 (void) log_oom();
6812 _exit(EXIT_FAILURE);
6813 }
6814 n_editor_args = strv_length(editor_args);
6815 argc += n_editor_args - 1;
6816 }
6817 args = newa(const char*, argc + 1);
6818
6819 if (n_editor_args > 0) {
6820 args[0] = editor_args[0];
6821 for (; i < n_editor_args; i++)
6822 args[i] = editor_args[i];
6823 }
6824
6825 STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
6826 args[i] = *tmp_path;
6827 i++;
6828 }
6829 args[i] = NULL;
6830
6831 if (n_editor_args > 0)
6832 execvp(args[0], (char* const*) args);
6833
6834 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
6835 args[0] = p;
6836 execvp(p, (char* const*) args);
6837 /* We do not fail if the editor doesn't exist
6838 * because we want to try each one of them before
6839 * failing.
6840 */
6841 if (errno != ENOENT) {
6842 log_error_errno(errno, "Failed to execute %s: %m", editor);
6843 _exit(EXIT_FAILURE);
6844 }
6845 }
6846
6847 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
6848 _exit(EXIT_FAILURE);
6849 }
6850
6851 return 0;
6852 }
6853
6854 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
6855 _cleanup_lookup_paths_free_ LookupPaths lp = {};
6856 char **name;
6857 int r;
6858
6859 assert(names);
6860 assert(paths);
6861
6862 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6863 if (r < 0)
6864 return r;
6865
6866 STRV_FOREACH(name, names) {
6867 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
6868 const char *unit_name;
6869
6870 r = unit_find_paths(bus, *name, &lp, &path, NULL);
6871 if (r < 0)
6872 return r;
6873
6874 if (r == 0) {
6875 assert(!path);
6876
6877 if (!arg_force) {
6878 log_error("Run 'systemctl edit%s --force %s' to create a new unit.",
6879 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
6880 arg_scope == UNIT_FILE_USER ? " --user" : "",
6881 *name);
6882 return -ENOENT;
6883 }
6884
6885 /* Create a new unit from scratch */
6886 unit_name = *name;
6887 r = unit_file_create_new(&lp, unit_name,
6888 arg_full ? NULL : ".d/override.conf",
6889 &new_path, &tmp_path);
6890 } else {
6891 assert(path);
6892
6893 unit_name = basename(path);
6894 /* We follow unit aliases, but we need to propagate the instance */
6895 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
6896 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
6897 _cleanup_free_ char *instance = NULL;
6898
6899 r = unit_name_to_instance(*name, &instance);
6900 if (r < 0)
6901 return r;
6902
6903 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
6904 if (r < 0)
6905 return r;
6906
6907 unit_name = tmp_name;
6908 }
6909
6910 if (arg_full)
6911 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
6912 else
6913 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
6914 }
6915 if (r < 0)
6916 return r;
6917
6918 r = strv_push_pair(paths, new_path, tmp_path);
6919 if (r < 0)
6920 return log_oom();
6921 new_path = tmp_path = NULL;
6922 }
6923
6924 return 0;
6925 }
6926
6927 static int edit(int argc, char *argv[], void *userdata) {
6928 _cleanup_strv_free_ char **names = NULL;
6929 _cleanup_strv_free_ char **paths = NULL;
6930 char **original, **tmp;
6931 sd_bus *bus;
6932 int r;
6933
6934 if (!on_tty()) {
6935 log_error("Cannot edit units if not on a tty.");
6936 return -EINVAL;
6937 }
6938
6939 if (arg_transport != BUS_TRANSPORT_LOCAL) {
6940 log_error("Cannot edit units remotely.");
6941 return -EINVAL;
6942 }
6943
6944 r = acquire_bus(BUS_MANAGER, &bus);
6945 if (r < 0)
6946 return r;
6947
6948 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6949 if (r < 0)
6950 return log_error_errno(r, "Failed to expand names: %m");
6951
6952 STRV_FOREACH(tmp, names) {
6953 r = unit_is_masked(bus, *tmp);
6954 if (r < 0)
6955 return r;
6956
6957 if (r > 0) {
6958 log_error("Cannot edit %s: unit is masked.", *tmp);
6959 return -EINVAL;
6960 }
6961 }
6962
6963 r = find_paths_to_edit(bus, names, &paths);
6964 if (r < 0)
6965 return r;
6966
6967 if (strv_isempty(paths))
6968 return -ENOENT;
6969
6970 r = run_editor(paths);
6971 if (r < 0)
6972 goto end;
6973
6974 STRV_FOREACH_PAIR(original, tmp, paths) {
6975 /* If the temporary file is empty we ignore it.
6976 * This allows the user to cancel the modification.
6977 */
6978 if (null_or_empty_path(*tmp)) {
6979 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
6980 continue;
6981 }
6982
6983 r = rename(*tmp, *original);
6984 if (r < 0) {
6985 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
6986 goto end;
6987 }
6988 }
6989
6990 r = 0;
6991
6992 if (!arg_no_reload && !install_client_side())
6993 r = daemon_reload(argc, argv, userdata);
6994
6995 end:
6996 STRV_FOREACH_PAIR(original, tmp, paths) {
6997 (void) unlink(*tmp);
6998
6999 /* Removing empty dropin dirs */
7000 if (!arg_full) {
7001 _cleanup_free_ char *dir;
7002
7003 dir = dirname_malloc(*original);
7004 if (!dir)
7005 return log_oom();
7006
7007 /* no need to check if the dir is empty, rmdir
7008 * does nothing if it is not the case.
7009 */
7010 (void) rmdir(dir);
7011 }
7012 }
7013
7014 return r;
7015 }
7016
7017 static void systemctl_help(void) {
7018
7019 (void) pager_open(arg_no_pager, false);
7020
7021 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7022 "Query or send control commands to the systemd manager.\n\n"
7023 " -h --help Show this help\n"
7024 " --version Show package version\n"
7025 " --system Connect to system manager\n"
7026 " --user Connect to user service manager\n"
7027 " -H --host=[USER@]HOST\n"
7028 " Operate on remote host\n"
7029 " -M --machine=CONTAINER\n"
7030 " Operate on local container\n"
7031 " -t --type=TYPE List units of a particular type\n"
7032 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7033 " -p --property=NAME Show only properties by this name\n"
7034 " -a --all Show all properties/all units currently in memory,\n"
7035 " including dead/empty ones. To list all units installed on\n"
7036 " the system, use the 'list-unit-files' command instead.\n"
7037 " --failed Same as --state=failed\n"
7038 " -l --full Don't ellipsize unit names on output\n"
7039 " -r --recursive Show unit list of host and local containers\n"
7040 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7041 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7042 " queueing a new job\n"
7043 " --show-types When showing sockets, explicitly show their type\n"
7044 " --value When showing properties, only print the value\n"
7045 " -i --ignore-inhibitors\n"
7046 " When shutting down or sleeping, ignore inhibitors\n"
7047 " --kill-who=WHO Who to send signal to\n"
7048 " -s --signal=SIGNAL Which signal to send\n"
7049 " --now Start or stop unit in addition to enabling or disabling it\n"
7050 " --dry-run Only print what would be done\n"
7051 " -q --quiet Suppress output\n"
7052 " --wait For (re)start, wait until service stopped again\n"
7053 " --no-block Do not wait until operation finished\n"
7054 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7055 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7056 " --no-legend Do not print a legend (column headers and hints)\n"
7057 " --no-pager Do not pipe output into a pager\n"
7058 " --no-ask-password\n"
7059 " Do not ask for system passwords\n"
7060 " --global Enable/disable/mask unit files globally\n"
7061 " --runtime Enable/disable/mask unit files temporarily until next\n"
7062 " reboot\n"
7063 " -f --force When enabling unit files, override existing symlinks\n"
7064 " When shutting down, execute action immediately\n"
7065 " --preset-mode= Apply only enable, only disable, or all presets\n"
7066 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7067 " directory\n"
7068 " -n --lines=INTEGER Number of journal entries to show\n"
7069 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7070 " short-iso, short-iso-precise, short-full,\n"
7071 " short-monotonic, short-unix,\n"
7072 " verbose, export, json, json-pretty, json-sse, cat)\n"
7073 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7074 " --plain Print unit dependencies as a list instead of a tree\n\n"
7075 "Unit Commands:\n"
7076 " list-units [PATTERN...] List units currently in memory\n"
7077 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7078 " ordered by address\n"
7079 " list-timers [PATTERN...] List timer units currently in memory,\n"
7080 " ordered by next elapse\n"
7081 " start UNIT... Start (activate) one or more units\n"
7082 " stop UNIT... Stop (deactivate) one or more units\n"
7083 " reload UNIT... Reload one or more units\n"
7084 " restart UNIT... Start or restart one or more units\n"
7085 " try-restart UNIT... Restart one or more units if active\n"
7086 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7087 " otherwise start or restart\n"
7088 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7089 " if supported, otherwise restart\n"
7090 " isolate UNIT Start one unit and stop all others\n"
7091 " kill UNIT... Send signal to processes of a unit\n"
7092 " is-active PATTERN... Check whether units are active\n"
7093 " is-failed PATTERN... Check whether units are failed\n"
7094 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7095 " show [PATTERN...|JOB...] Show properties of one or more\n"
7096 " units/jobs or the manager\n"
7097 " cat PATTERN... Show files and drop-ins of specified units\n"
7098 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7099 " help PATTERN...|PID... Show manual for one or more units\n"
7100 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7101 " units\n"
7102 " list-dependencies [UNIT] Recursively show units which are required\n"
7103 " or wanted by this unit or by which this\n"
7104 " unit is required or wanted\n\n"
7105 "Unit File Commands:\n"
7106 " list-unit-files [PATTERN...] List installed unit files\n"
7107 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7108 " disable UNIT... Disable one or more unit files\n"
7109 " reenable UNIT... Reenable one or more unit files\n"
7110 " preset UNIT... Enable/disable one or more unit files\n"
7111 " based on preset configuration\n"
7112 " preset-all Enable/disable all unit files based on\n"
7113 " preset configuration\n"
7114 " is-enabled UNIT... Check whether unit files are enabled\n"
7115 " mask UNIT... Mask one or more units\n"
7116 " unmask UNIT... Unmask one or more units\n"
7117 " link PATH... Link one or more units files into\n"
7118 " the search path\n"
7119 " revert UNIT... Revert one or more unit files to vendor\n"
7120 " version\n"
7121 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7122 " on specified one or more units\n"
7123 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7124 " on specified one or more units\n"
7125 " edit UNIT... Edit one or more unit files\n"
7126 " get-default Get the name of the default target\n"
7127 " set-default TARGET Set the default target\n\n"
7128 "Machine Commands:\n"
7129 " list-machines [PATTERN...] List local containers and host\n\n"
7130 "Job Commands:\n"
7131 " list-jobs [PATTERN...] List jobs\n"
7132 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7133 "Environment Commands:\n"
7134 " show-environment Dump environment\n"
7135 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7136 " unset-environment VARIABLE... Unset one or more environment variables\n"
7137 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7138 "Manager Lifecycle Commands:\n"
7139 " daemon-reload Reload systemd manager configuration\n"
7140 " daemon-reexec Reexecute systemd manager\n\n"
7141 "System Commands:\n"
7142 " is-system-running Check whether system is fully running\n"
7143 " default Enter system default mode\n"
7144 " rescue Enter system rescue mode\n"
7145 " emergency Enter system emergency mode\n"
7146 " halt Shut down and halt the system\n"
7147 " poweroff Shut down and power-off the system\n"
7148 " reboot [ARG] Shut down and reboot the system\n"
7149 " kexec Shut down and reboot the system with kexec\n"
7150 " exit [EXIT_CODE] Request user instance or container exit\n"
7151 " switch-root ROOT [INIT] Change to a different root file system\n"
7152 " suspend Suspend the system\n"
7153 " hibernate Hibernate the system\n"
7154 " hybrid-sleep Hibernate and suspend the system\n"
7155 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7156 " time and put it into hibernate\n",
7157 program_invocation_short_name);
7158 }
7159
7160 static void halt_help(void) {
7161 printf("%s [OPTIONS...]%s\n\n"
7162 "%s the system.\n\n"
7163 " --help Show this help\n"
7164 " --halt Halt the machine\n"
7165 " -p --poweroff Switch off the machine\n"
7166 " --reboot Reboot the machine\n"
7167 " -f --force Force immediate halt/power-off/reboot\n"
7168 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7169 " -d --no-wtmp Don't write wtmp record\n"
7170 " --no-wall Don't send wall message before halt/power-off/reboot\n",
7171 program_invocation_short_name,
7172 arg_action == ACTION_REBOOT ? " [ARG]" : "",
7173 arg_action == ACTION_REBOOT ? "Reboot" :
7174 arg_action == ACTION_POWEROFF ? "Power off" :
7175 "Halt");
7176 }
7177
7178 static void shutdown_help(void) {
7179 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7180 "Shut down the system.\n\n"
7181 " --help Show this help\n"
7182 " -H --halt Halt the machine\n"
7183 " -P --poweroff Power-off the machine\n"
7184 " -r --reboot Reboot the machine\n"
7185 " -h Equivalent to --poweroff, overridden by --halt\n"
7186 " -k Don't halt/power-off/reboot, just send warnings\n"
7187 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7188 " -c Cancel a pending shutdown\n",
7189 program_invocation_short_name);
7190 }
7191
7192 static void telinit_help(void) {
7193 printf("%s [OPTIONS...] {COMMAND}\n\n"
7194 "Send control commands to the init daemon.\n\n"
7195 " --help Show this help\n"
7196 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7197 "Commands:\n"
7198 " 0 Power-off the machine\n"
7199 " 6 Reboot the machine\n"
7200 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7201 " 1, s, S Enter rescue mode\n"
7202 " q, Q Reload init daemon configuration\n"
7203 " u, U Reexecute init daemon\n",
7204 program_invocation_short_name);
7205 }
7206
7207 static void runlevel_help(void) {
7208 printf("%s [OPTIONS...]\n\n"
7209 "Prints the previous and current runlevel of the init system.\n\n"
7210 " --help Show this help\n",
7211 program_invocation_short_name);
7212 }
7213
7214 static void help_types(void) {
7215 int i;
7216
7217 if (!arg_no_legend)
7218 puts("Available unit types:");
7219 for (i = 0; i < _UNIT_TYPE_MAX; i++)
7220 puts(unit_type_to_string(i));
7221 }
7222
7223 static void help_states(void) {
7224 int i;
7225
7226 if (!arg_no_legend)
7227 puts("Available unit load states:");
7228 for (i = 0; i < _UNIT_LOAD_STATE_MAX; i++)
7229 puts(unit_load_state_to_string(i));
7230
7231 if (!arg_no_legend)
7232 puts("\nAvailable unit active states:");
7233 for (i = 0; i < _UNIT_ACTIVE_STATE_MAX; i++)
7234 puts(unit_active_state_to_string(i));
7235
7236 if (!arg_no_legend)
7237 puts("\nAvailable automount unit substates:");
7238 for (i = 0; i < _AUTOMOUNT_STATE_MAX; i++)
7239 puts(automount_state_to_string(i));
7240
7241 if (!arg_no_legend)
7242 puts("\nAvailable device unit substates:");
7243 for (i = 0; i < _DEVICE_STATE_MAX; i++)
7244 puts(device_state_to_string(i));
7245
7246 if (!arg_no_legend)
7247 puts("\nAvailable mount unit substates:");
7248 for (i = 0; i < _MOUNT_STATE_MAX; i++)
7249 puts(mount_state_to_string(i));
7250
7251 if (!arg_no_legend)
7252 puts("\nAvailable path unit substates:");
7253 for (i = 0; i < _PATH_STATE_MAX; i++)
7254 puts(path_state_to_string(i));
7255
7256 if (!arg_no_legend)
7257 puts("\nAvailable scope unit substates:");
7258 for (i = 0; i < _SCOPE_STATE_MAX; i++)
7259 puts(scope_state_to_string(i));
7260
7261 if (!arg_no_legend)
7262 puts("\nAvailable service unit substates:");
7263 for (i = 0; i < _SERVICE_STATE_MAX; i++)
7264 puts(service_state_to_string(i));
7265
7266 if (!arg_no_legend)
7267 puts("\nAvailable slice unit substates:");
7268 for (i = 0; i < _SLICE_STATE_MAX; i++)
7269 puts(slice_state_to_string(i));
7270
7271 if (!arg_no_legend)
7272 puts("\nAvailable socket unit substates:");
7273 for (i = 0; i < _SOCKET_STATE_MAX; i++)
7274 puts(socket_state_to_string(i));
7275
7276 if (!arg_no_legend)
7277 puts("\nAvailable swap unit substates:");
7278 for (i = 0; i < _SWAP_STATE_MAX; i++)
7279 puts(swap_state_to_string(i));
7280
7281 if (!arg_no_legend)
7282 puts("\nAvailable target unit substates:");
7283 for (i = 0; i < _TARGET_STATE_MAX; i++)
7284 puts(target_state_to_string(i));
7285
7286 if (!arg_no_legend)
7287 puts("\nAvailable timer unit substates:");
7288 for (i = 0; i < _TIMER_STATE_MAX; i++)
7289 puts(timer_state_to_string(i));
7290 }
7291
7292 static int systemctl_parse_argv(int argc, char *argv[]) {
7293
7294 enum {
7295 ARG_FAIL = 0x100,
7296 ARG_REVERSE,
7297 ARG_AFTER,
7298 ARG_BEFORE,
7299 ARG_DRY_RUN,
7300 ARG_SHOW_TYPES,
7301 ARG_IRREVERSIBLE,
7302 ARG_IGNORE_DEPENDENCIES,
7303 ARG_VALUE,
7304 ARG_VERSION,
7305 ARG_USER,
7306 ARG_SYSTEM,
7307 ARG_GLOBAL,
7308 ARG_NO_BLOCK,
7309 ARG_NO_LEGEND,
7310 ARG_NO_PAGER,
7311 ARG_NO_WALL,
7312 ARG_ROOT,
7313 ARG_NO_RELOAD,
7314 ARG_KILL_WHO,
7315 ARG_NO_ASK_PASSWORD,
7316 ARG_FAILED,
7317 ARG_RUNTIME,
7318 ARG_PLAIN,
7319 ARG_STATE,
7320 ARG_JOB_MODE,
7321 ARG_PRESET_MODE,
7322 ARG_FIRMWARE_SETUP,
7323 ARG_NOW,
7324 ARG_MESSAGE,
7325 ARG_WAIT,
7326 };
7327
7328 static const struct option options[] = {
7329 { "help", no_argument, NULL, 'h' },
7330 { "version", no_argument, NULL, ARG_VERSION },
7331 { "type", required_argument, NULL, 't' },
7332 { "property", required_argument, NULL, 'p' },
7333 { "all", no_argument, NULL, 'a' },
7334 { "reverse", no_argument, NULL, ARG_REVERSE },
7335 { "after", no_argument, NULL, ARG_AFTER },
7336 { "before", no_argument, NULL, ARG_BEFORE },
7337 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7338 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7339 { "full", no_argument, NULL, 'l' },
7340 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7341 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7342 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7343 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7344 { "ignore-inhibitors", no_argument, NULL, 'i' },
7345 { "value", no_argument, NULL, ARG_VALUE },
7346 { "user", no_argument, NULL, ARG_USER },
7347 { "system", no_argument, NULL, ARG_SYSTEM },
7348 { "global", no_argument, NULL, ARG_GLOBAL },
7349 { "wait", no_argument, NULL, ARG_WAIT },
7350 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7351 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7352 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7353 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7354 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7355 { "quiet", no_argument, NULL, 'q' },
7356 { "root", required_argument, NULL, ARG_ROOT },
7357 { "force", no_argument, NULL, 'f' },
7358 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7359 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7360 { "signal", required_argument, NULL, 's' },
7361 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7362 { "host", required_argument, NULL, 'H' },
7363 { "machine", required_argument, NULL, 'M' },
7364 { "runtime", no_argument, NULL, ARG_RUNTIME },
7365 { "lines", required_argument, NULL, 'n' },
7366 { "output", required_argument, NULL, 'o' },
7367 { "plain", no_argument, NULL, ARG_PLAIN },
7368 { "state", required_argument, NULL, ARG_STATE },
7369 { "recursive", no_argument, NULL, 'r' },
7370 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7371 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7372 { "now", no_argument, NULL, ARG_NOW },
7373 { "message", required_argument, NULL, ARG_MESSAGE },
7374 {}
7375 };
7376
7377 const char *p;
7378 int c, r;
7379
7380 assert(argc >= 0);
7381 assert(argv);
7382
7383 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7384 arg_ask_password = true;
7385
7386 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
7387
7388 switch (c) {
7389
7390 case 'h':
7391 systemctl_help();
7392 return 0;
7393
7394 case ARG_VERSION:
7395 return version();
7396
7397 case 't': {
7398 if (isempty(optarg)) {
7399 log_error("--type= requires arguments.");
7400 return -EINVAL;
7401 }
7402
7403 for (p = optarg;;) {
7404 _cleanup_free_ char *type = NULL;
7405
7406 r = extract_first_word(&p, &type, ",", 0);
7407 if (r < 0)
7408 return log_error_errno(r, "Failed to parse type: %s", optarg);
7409 if (r == 0)
7410 break;
7411
7412 if (streq(type, "help")) {
7413 help_types();
7414 return 0;
7415 }
7416
7417 if (unit_type_from_string(type) >= 0) {
7418 if (strv_push(&arg_types, type) < 0)
7419 return log_oom();
7420 type = NULL;
7421 continue;
7422 }
7423
7424 /* It's much nicer to use --state= for
7425 * load states, but let's support this
7426 * in --types= too for compatibility
7427 * with old versions */
7428 if (unit_load_state_from_string(type) >= 0) {
7429 if (strv_push(&arg_states, type) < 0)
7430 return log_oom();
7431 type = NULL;
7432 continue;
7433 }
7434
7435 log_error("Unknown unit type or load state '%s'.", type);
7436 log_info("Use -t help to see a list of allowed values.");
7437 return -EINVAL;
7438 }
7439
7440 break;
7441 }
7442
7443 case 'p': {
7444 /* Make sure that if the empty property list
7445 was specified, we won't show any properties. */
7446 if (isempty(optarg) && !arg_properties) {
7447 arg_properties = new0(char*, 1);
7448 if (!arg_properties)
7449 return log_oom();
7450 } else
7451 for (p = optarg;;) {
7452 _cleanup_free_ char *prop = NULL;
7453
7454 r = extract_first_word(&p, &prop, ",", 0);
7455 if (r < 0)
7456 return log_error_errno(r, "Failed to parse property: %s", optarg);
7457 if (r == 0)
7458 break;
7459
7460 if (strv_push(&arg_properties, prop) < 0)
7461 return log_oom();
7462
7463 prop = NULL;
7464 }
7465
7466 /* If the user asked for a particular
7467 * property, show it to him, even if it is
7468 * empty. */
7469 arg_all = true;
7470
7471 break;
7472 }
7473
7474 case 'a':
7475 arg_all = true;
7476 break;
7477
7478 case ARG_REVERSE:
7479 arg_dependency = DEPENDENCY_REVERSE;
7480 break;
7481
7482 case ARG_AFTER:
7483 arg_dependency = DEPENDENCY_AFTER;
7484 arg_jobs_after = true;
7485 break;
7486
7487 case ARG_BEFORE:
7488 arg_dependency = DEPENDENCY_BEFORE;
7489 arg_jobs_before = true;
7490 break;
7491
7492 case ARG_SHOW_TYPES:
7493 arg_show_types = true;
7494 break;
7495
7496 case ARG_VALUE:
7497 arg_value = true;
7498 break;
7499
7500 case ARG_JOB_MODE:
7501 arg_job_mode = optarg;
7502 break;
7503
7504 case ARG_FAIL:
7505 arg_job_mode = "fail";
7506 break;
7507
7508 case ARG_IRREVERSIBLE:
7509 arg_job_mode = "replace-irreversibly";
7510 break;
7511
7512 case ARG_IGNORE_DEPENDENCIES:
7513 arg_job_mode = "ignore-dependencies";
7514 break;
7515
7516 case ARG_USER:
7517 arg_scope = UNIT_FILE_USER;
7518 break;
7519
7520 case ARG_SYSTEM:
7521 arg_scope = UNIT_FILE_SYSTEM;
7522 break;
7523
7524 case ARG_GLOBAL:
7525 arg_scope = UNIT_FILE_GLOBAL;
7526 break;
7527
7528 case ARG_WAIT:
7529 arg_wait = true;
7530 break;
7531
7532 case ARG_NO_BLOCK:
7533 arg_no_block = true;
7534 break;
7535
7536 case ARG_NO_LEGEND:
7537 arg_no_legend = true;
7538 break;
7539
7540 case ARG_NO_PAGER:
7541 arg_no_pager = true;
7542 break;
7543
7544 case ARG_NO_WALL:
7545 arg_no_wall = true;
7546 break;
7547
7548 case ARG_ROOT:
7549 r = parse_path_argument_and_warn(optarg, false, &arg_root);
7550 if (r < 0)
7551 return r;
7552 break;
7553
7554 case 'l':
7555 arg_full = true;
7556 break;
7557
7558 case ARG_FAILED:
7559 if (strv_extend(&arg_states, "failed") < 0)
7560 return log_oom();
7561
7562 break;
7563
7564 case ARG_DRY_RUN:
7565 arg_dry_run = true;
7566 break;
7567
7568 case 'q':
7569 arg_quiet = true;
7570 break;
7571
7572 case 'f':
7573 arg_force++;
7574 break;
7575
7576 case ARG_NO_RELOAD:
7577 arg_no_reload = true;
7578 break;
7579
7580 case ARG_KILL_WHO:
7581 arg_kill_who = optarg;
7582 break;
7583
7584 case 's':
7585 arg_signal = signal_from_string_try_harder(optarg);
7586 if (arg_signal < 0) {
7587 log_error("Failed to parse signal string %s.", optarg);
7588 return -EINVAL;
7589 }
7590 break;
7591
7592 case ARG_NO_ASK_PASSWORD:
7593 arg_ask_password = false;
7594 break;
7595
7596 case 'H':
7597 arg_transport = BUS_TRANSPORT_REMOTE;
7598 arg_host = optarg;
7599 break;
7600
7601 case 'M':
7602 arg_transport = BUS_TRANSPORT_MACHINE;
7603 arg_host = optarg;
7604 break;
7605
7606 case ARG_RUNTIME:
7607 arg_runtime = true;
7608 break;
7609
7610 case 'n':
7611 if (safe_atou(optarg, &arg_lines) < 0) {
7612 log_error("Failed to parse lines '%s'", optarg);
7613 return -EINVAL;
7614 }
7615 break;
7616
7617 case 'o':
7618 arg_output = output_mode_from_string(optarg);
7619 if (arg_output < 0) {
7620 log_error("Unknown output '%s'.", optarg);
7621 return -EINVAL;
7622 }
7623 break;
7624
7625 case 'i':
7626 arg_ignore_inhibitors = true;
7627 break;
7628
7629 case ARG_PLAIN:
7630 arg_plain = true;
7631 break;
7632
7633 case ARG_FIRMWARE_SETUP:
7634 arg_firmware_setup = true;
7635 break;
7636
7637 case ARG_STATE: {
7638 if (isempty(optarg)) {
7639 log_error("--state= requires arguments.");
7640 return -EINVAL;
7641 }
7642
7643 for (p = optarg;;) {
7644 _cleanup_free_ char *s = NULL;
7645
7646 r = extract_first_word(&p, &s, ",", 0);
7647 if (r < 0)
7648 return log_error_errno(r, "Failed to parse state: %s", optarg);
7649 if (r == 0)
7650 break;
7651
7652 if (streq(s, "help")) {
7653 help_states();
7654 return 0;
7655 }
7656
7657 if (strv_push(&arg_states, s) < 0)
7658 return log_oom();
7659
7660 s = NULL;
7661 }
7662 break;
7663 }
7664
7665 case 'r':
7666 if (geteuid() != 0) {
7667 log_error("--recursive requires root privileges.");
7668 return -EPERM;
7669 }
7670
7671 arg_recursive = true;
7672 break;
7673
7674 case ARG_PRESET_MODE:
7675
7676 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
7677 if (arg_preset_mode < 0) {
7678 log_error("Failed to parse preset mode: %s.", optarg);
7679 return -EINVAL;
7680 }
7681
7682 break;
7683
7684 case ARG_NOW:
7685 arg_now = true;
7686 break;
7687
7688 case ARG_MESSAGE:
7689 if (strv_extend(&arg_wall, optarg) < 0)
7690 return log_oom();
7691 break;
7692
7693 case '?':
7694 return -EINVAL;
7695
7696 default:
7697 assert_not_reached("Unhandled option");
7698 }
7699
7700 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
7701 log_error("Cannot access user instance remotely.");
7702 return -EINVAL;
7703 }
7704
7705 if (arg_wait && arg_no_block) {
7706 log_error("--wait may not be combined with --no-block.");
7707 return -EINVAL;
7708 }
7709
7710 return 1;
7711 }
7712
7713 static int halt_parse_argv(int argc, char *argv[]) {
7714
7715 enum {
7716 ARG_HELP = 0x100,
7717 ARG_HALT,
7718 ARG_REBOOT,
7719 ARG_NO_WALL
7720 };
7721
7722 static const struct option options[] = {
7723 { "help", no_argument, NULL, ARG_HELP },
7724 { "halt", no_argument, NULL, ARG_HALT },
7725 { "poweroff", no_argument, NULL, 'p' },
7726 { "reboot", no_argument, NULL, ARG_REBOOT },
7727 { "force", no_argument, NULL, 'f' },
7728 { "wtmp-only", no_argument, NULL, 'w' },
7729 { "no-wtmp", no_argument, NULL, 'd' },
7730 { "no-sync", no_argument, NULL, 'n' },
7731 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7732 {}
7733 };
7734
7735 int c, r, runlevel;
7736
7737 assert(argc >= 0);
7738 assert(argv);
7739
7740 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
7741 if (IN_SET(runlevel, '0', '6'))
7742 arg_force = 2;
7743
7744 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
7745 switch (c) {
7746
7747 case ARG_HELP:
7748 halt_help();
7749 return 0;
7750
7751 case ARG_HALT:
7752 arg_action = ACTION_HALT;
7753 break;
7754
7755 case 'p':
7756 if (arg_action != ACTION_REBOOT)
7757 arg_action = ACTION_POWEROFF;
7758 break;
7759
7760 case ARG_REBOOT:
7761 arg_action = ACTION_REBOOT;
7762 break;
7763
7764 case 'f':
7765 arg_force = 2;
7766 break;
7767
7768 case 'w':
7769 arg_dry_run = true;
7770 break;
7771
7772 case 'd':
7773 arg_no_wtmp = true;
7774 break;
7775
7776 case 'n':
7777 arg_no_sync = true;
7778 break;
7779
7780 case ARG_NO_WALL:
7781 arg_no_wall = true;
7782 break;
7783
7784 case 'i':
7785 case 'h':
7786 /* Compatibility nops */
7787 break;
7788
7789 case '?':
7790 return -EINVAL;
7791
7792 default:
7793 assert_not_reached("Unhandled option");
7794 }
7795
7796 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
7797 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
7798 if (r < 0)
7799 return r;
7800 } else if (optind < argc) {
7801 log_error("Too many arguments.");
7802 return -EINVAL;
7803 }
7804
7805 return 1;
7806 }
7807
7808 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
7809 assert(t);
7810 assert(_u);
7811
7812 if (streq(t, "now"))
7813 *_u = 0;
7814 else if (!strchr(t, ':')) {
7815 uint64_t u;
7816
7817 if (safe_atou64(t, &u) < 0)
7818 return -EINVAL;
7819
7820 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
7821 } else {
7822 char *e = NULL;
7823 long hour, minute;
7824 struct tm tm = {};
7825 time_t s;
7826 usec_t n;
7827
7828 errno = 0;
7829 hour = strtol(t, &e, 10);
7830 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
7831 return -EINVAL;
7832
7833 minute = strtol(e+1, &e, 10);
7834 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
7835 return -EINVAL;
7836
7837 n = now(CLOCK_REALTIME);
7838 s = (time_t) (n / USEC_PER_SEC);
7839
7840 assert_se(localtime_r(&s, &tm));
7841
7842 tm.tm_hour = (int) hour;
7843 tm.tm_min = (int) minute;
7844 tm.tm_sec = 0;
7845
7846 assert_se(s = mktime(&tm));
7847
7848 *_u = (usec_t) s * USEC_PER_SEC;
7849
7850 while (*_u <= n)
7851 *_u += USEC_PER_DAY;
7852 }
7853
7854 return 0;
7855 }
7856
7857 static int shutdown_parse_argv(int argc, char *argv[]) {
7858
7859 enum {
7860 ARG_HELP = 0x100,
7861 ARG_NO_WALL
7862 };
7863
7864 static const struct option options[] = {
7865 { "help", no_argument, NULL, ARG_HELP },
7866 { "halt", no_argument, NULL, 'H' },
7867 { "poweroff", no_argument, NULL, 'P' },
7868 { "reboot", no_argument, NULL, 'r' },
7869 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
7870 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7871 {}
7872 };
7873
7874 char **wall = NULL;
7875 int c, r;
7876
7877 assert(argc >= 0);
7878 assert(argv);
7879
7880 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
7881 switch (c) {
7882
7883 case ARG_HELP:
7884 shutdown_help();
7885 return 0;
7886
7887 case 'H':
7888 arg_action = ACTION_HALT;
7889 break;
7890
7891 case 'P':
7892 arg_action = ACTION_POWEROFF;
7893 break;
7894
7895 case 'r':
7896 if (kexec_loaded())
7897 arg_action = ACTION_KEXEC;
7898 else
7899 arg_action = ACTION_REBOOT;
7900 break;
7901
7902 case 'K':
7903 arg_action = ACTION_KEXEC;
7904 break;
7905
7906 case 'h':
7907 if (arg_action != ACTION_HALT)
7908 arg_action = ACTION_POWEROFF;
7909 break;
7910
7911 case 'k':
7912 arg_dry_run = true;
7913 break;
7914
7915 case ARG_NO_WALL:
7916 arg_no_wall = true;
7917 break;
7918
7919 case 'a':
7920 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
7921 case 'f':
7922 case 'F':
7923 /* Compatibility nops */
7924 break;
7925
7926 case 'c':
7927 arg_action = ACTION_CANCEL_SHUTDOWN;
7928 break;
7929
7930 case '?':
7931 return -EINVAL;
7932
7933 default:
7934 assert_not_reached("Unhandled option");
7935 }
7936
7937 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
7938 r = parse_shutdown_time_spec(argv[optind], &arg_when);
7939 if (r < 0) {
7940 log_error("Failed to parse time specification: %s", argv[optind]);
7941 return r;
7942 }
7943 } else
7944 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
7945
7946 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
7947 /* No time argument for shutdown cancel */
7948 wall = argv + optind;
7949 else if (argc > optind + 1)
7950 /* We skip the time argument */
7951 wall = argv + optind + 1;
7952
7953 if (wall) {
7954 arg_wall = strv_copy(wall);
7955 if (!arg_wall)
7956 return log_oom();
7957 }
7958
7959 optind = argc;
7960
7961 return 1;
7962 }
7963
7964 static int telinit_parse_argv(int argc, char *argv[]) {
7965
7966 enum {
7967 ARG_HELP = 0x100,
7968 ARG_NO_WALL
7969 };
7970
7971 static const struct option options[] = {
7972 { "help", no_argument, NULL, ARG_HELP },
7973 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7974 {}
7975 };
7976
7977 static const struct {
7978 char from;
7979 enum action to;
7980 } table[] = {
7981 { '0', ACTION_POWEROFF },
7982 { '6', ACTION_REBOOT },
7983 { '1', ACTION_RESCUE },
7984 { '2', ACTION_RUNLEVEL2 },
7985 { '3', ACTION_RUNLEVEL3 },
7986 { '4', ACTION_RUNLEVEL4 },
7987 { '5', ACTION_RUNLEVEL5 },
7988 { 's', ACTION_RESCUE },
7989 { 'S', ACTION_RESCUE },
7990 { 'q', ACTION_RELOAD },
7991 { 'Q', ACTION_RELOAD },
7992 { 'u', ACTION_REEXEC },
7993 { 'U', ACTION_REEXEC }
7994 };
7995
7996 unsigned i;
7997 int c;
7998
7999 assert(argc >= 0);
8000 assert(argv);
8001
8002 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8003 switch (c) {
8004
8005 case ARG_HELP:
8006 telinit_help();
8007 return 0;
8008
8009 case ARG_NO_WALL:
8010 arg_no_wall = true;
8011 break;
8012
8013 case '?':
8014 return -EINVAL;
8015
8016 default:
8017 assert_not_reached("Unhandled option");
8018 }
8019
8020 if (optind >= argc) {
8021 log_error("%s: required argument missing.", program_invocation_short_name);
8022 return -EINVAL;
8023 }
8024
8025 if (optind + 1 < argc) {
8026 log_error("Too many arguments.");
8027 return -EINVAL;
8028 }
8029
8030 if (strlen(argv[optind]) != 1) {
8031 log_error("Expected single character argument.");
8032 return -EINVAL;
8033 }
8034
8035 for (i = 0; i < ELEMENTSOF(table); i++)
8036 if (table[i].from == argv[optind][0])
8037 break;
8038
8039 if (i >= ELEMENTSOF(table)) {
8040 log_error("Unknown command '%s'.", argv[optind]);
8041 return -EINVAL;
8042 }
8043
8044 arg_action = table[i].to;
8045
8046 optind++;
8047
8048 return 1;
8049 }
8050
8051 static int runlevel_parse_argv(int argc, char *argv[]) {
8052
8053 enum {
8054 ARG_HELP = 0x100,
8055 };
8056
8057 static const struct option options[] = {
8058 { "help", no_argument, NULL, ARG_HELP },
8059 {}
8060 };
8061
8062 int c;
8063
8064 assert(argc >= 0);
8065 assert(argv);
8066
8067 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8068 switch (c) {
8069
8070 case ARG_HELP:
8071 runlevel_help();
8072 return 0;
8073
8074 case '?':
8075 return -EINVAL;
8076
8077 default:
8078 assert_not_reached("Unhandled option");
8079 }
8080
8081 if (optind < argc) {
8082 log_error("Too many arguments.");
8083 return -EINVAL;
8084 }
8085
8086 return 1;
8087 }
8088
8089 static int parse_argv(int argc, char *argv[]) {
8090 assert(argc >= 0);
8091 assert(argv);
8092
8093 if (program_invocation_short_name) {
8094
8095 if (strstr(program_invocation_short_name, "halt")) {
8096 arg_action = ACTION_HALT;
8097 return halt_parse_argv(argc, argv);
8098
8099 } else if (strstr(program_invocation_short_name, "poweroff")) {
8100 arg_action = ACTION_POWEROFF;
8101 return halt_parse_argv(argc, argv);
8102
8103 } else if (strstr(program_invocation_short_name, "reboot")) {
8104 if (kexec_loaded())
8105 arg_action = ACTION_KEXEC;
8106 else
8107 arg_action = ACTION_REBOOT;
8108 return halt_parse_argv(argc, argv);
8109
8110 } else if (strstr(program_invocation_short_name, "shutdown")) {
8111 arg_action = ACTION_POWEROFF;
8112 return shutdown_parse_argv(argc, argv);
8113
8114 } else if (strstr(program_invocation_short_name, "init")) {
8115
8116 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8117 * 1 on SysV.
8118 *
8119 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8120 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8121 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8122 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8123 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8124 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8125 * quick way to match both.
8126 *
8127 * Also see redirect_telinit() in src/core/main.c. */
8128
8129 if (sd_booted() > 0) {
8130 arg_action = _ACTION_INVALID;
8131 return telinit_parse_argv(argc, argv);
8132 } else {
8133 /* Hmm, so some other init system is running, we need to forward this request to
8134 * it. For now we simply guess that it is Upstart. */
8135
8136 execv(TELINIT, argv);
8137
8138 log_error("Couldn't find an alternative telinit implementation to spawn.");
8139 return -EIO;
8140 }
8141
8142 } else if (strstr(program_invocation_short_name, "runlevel")) {
8143 arg_action = ACTION_RUNLEVEL;
8144 return runlevel_parse_argv(argc, argv);
8145 }
8146 }
8147
8148 arg_action = ACTION_SYSTEMCTL;
8149 return systemctl_parse_argv(argc, argv);
8150 }
8151
8152 #if HAVE_SYSV_COMPAT
8153 _pure_ static int action_to_runlevel(void) {
8154
8155 static const char table[_ACTION_MAX] = {
8156 [ACTION_HALT] = '0',
8157 [ACTION_POWEROFF] = '0',
8158 [ACTION_REBOOT] = '6',
8159 [ACTION_RUNLEVEL2] = '2',
8160 [ACTION_RUNLEVEL3] = '3',
8161 [ACTION_RUNLEVEL4] = '4',
8162 [ACTION_RUNLEVEL5] = '5',
8163 [ACTION_RESCUE] = '1'
8164 };
8165
8166 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8167
8168 return table[arg_action];
8169 }
8170 #endif
8171
8172 static int talk_initctl(void) {
8173 #if HAVE_SYSV_COMPAT
8174 struct init_request request = {
8175 .magic = INIT_MAGIC,
8176 .sleeptime = 0,
8177 .cmd = INIT_CMD_RUNLVL
8178 };
8179
8180 _cleanup_close_ int fd = -1;
8181 char rl;
8182 int r;
8183 const char *p;
8184
8185 rl = action_to_runlevel();
8186 if (!rl)
8187 return 0;
8188
8189 request.runlevel = rl;
8190
8191 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8192 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8193 if (fd >= 0 || errno != ENOENT)
8194 break;
8195 }
8196 if (fd < 0) {
8197 if (errno == ENOENT)
8198 return 0;
8199
8200 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8201 }
8202
8203 r = loop_write(fd, &request, sizeof(request), false);
8204 if (r < 0)
8205 return log_error_errno(r, "Failed to write to %s: %m", p);
8206
8207 return 1;
8208 #else
8209 return 0;
8210 #endif
8211 }
8212
8213 static int systemctl_main(int argc, char *argv[]) {
8214
8215 static const Verb verbs[] = {
8216 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8217 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8218 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8219 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8220 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8221 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8222 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8223 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8224 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8225 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8226 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8227 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8228 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8229 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8230 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8231 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8232 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8233 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8234 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8235 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8236 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8237 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8238 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8239 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8240 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8241 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8242 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8243 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8244 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8245 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8246 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8247 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8248 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8249 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8250 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8251 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8252 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8253 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8254 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8255 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8256 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8257 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8258 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8259 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8260 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8261 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8262 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8263 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8264 { "enable", 2, VERB_ANY, 0, enable_unit },
8265 { "disable", 2, VERB_ANY, 0, enable_unit },
8266 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8267 { "reenable", 2, VERB_ANY, 0, enable_unit },
8268 { "preset", 2, VERB_ANY, 0, enable_unit },
8269 { "preset-all", VERB_ANY, 1, 0, preset_all },
8270 { "mask", 2, VERB_ANY, 0, enable_unit },
8271 { "unmask", 2, VERB_ANY, 0, enable_unit },
8272 { "link", 2, VERB_ANY, 0, enable_unit },
8273 { "revert", 2, VERB_ANY, 0, enable_unit },
8274 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8275 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8276 { "set-default", 2, 2, 0, set_default },
8277 { "get-default", VERB_ANY, 1, 0, get_default },
8278 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8279 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8280 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8281 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8282 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8283 {}
8284 };
8285
8286 return dispatch_verb(argc, argv, verbs, NULL);
8287 }
8288
8289 static int reload_with_fallback(void) {
8290
8291 /* First, try systemd via D-Bus. */
8292 if (daemon_reload(0, NULL, NULL) >= 0)
8293 return 0;
8294
8295 /* Nothing else worked, so let's try signals */
8296 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8297
8298 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8299 return log_error_errno(errno, "kill() failed: %m");
8300
8301 return 0;
8302 }
8303
8304 static int start_with_fallback(void) {
8305
8306 /* First, try systemd via D-Bus. */
8307 if (start_unit(0, NULL, NULL) >= 0)
8308 return 0;
8309
8310 /* Nothing else worked, so let's try /dev/initctl */
8311 if (talk_initctl() > 0)
8312 return 0;
8313
8314 log_error("Failed to talk to init daemon.");
8315 return -EIO;
8316 }
8317
8318 static int halt_now(enum action a) {
8319
8320 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8321 * synce'd explicitly in advance. */
8322 if (!arg_no_sync && !arg_dry_run)
8323 (void) sync();
8324
8325 /* Make sure C-A-D is handled by the kernel from this point on... */
8326 if (!arg_dry_run)
8327 (void) reboot(RB_ENABLE_CAD);
8328
8329 switch (a) {
8330
8331 case ACTION_HALT:
8332 if (!arg_quiet)
8333 log_info("Halting.");
8334 if (arg_dry_run)
8335 return 0;
8336 (void) reboot(RB_HALT_SYSTEM);
8337 return -errno;
8338
8339 case ACTION_POWEROFF:
8340 if (!arg_quiet)
8341 log_info("Powering off.");
8342 if (arg_dry_run)
8343 return 0;
8344 (void) reboot(RB_POWER_OFF);
8345 return -errno;
8346
8347 case ACTION_KEXEC:
8348 case ACTION_REBOOT:
8349 return reboot_with_parameter(REBOOT_FALLBACK |
8350 (arg_quiet ? 0 : REBOOT_LOG) |
8351 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8352
8353 default:
8354 assert_not_reached("Unknown action.");
8355 }
8356 }
8357
8358 static int logind_schedule_shutdown(void) {
8359
8360 #if ENABLE_LOGIND
8361 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8362 char date[FORMAT_TIMESTAMP_MAX];
8363 const char *action;
8364 sd_bus *bus;
8365 int r;
8366
8367 r = acquire_bus(BUS_FULL, &bus);
8368 if (r < 0)
8369 return r;
8370
8371 switch (arg_action) {
8372 case ACTION_HALT:
8373 action = "halt";
8374 break;
8375 case ACTION_POWEROFF:
8376 action = "poweroff";
8377 break;
8378 case ACTION_KEXEC:
8379 action = "kexec";
8380 break;
8381 case ACTION_EXIT:
8382 action = "exit";
8383 break;
8384 case ACTION_REBOOT:
8385 default:
8386 action = "reboot";
8387 break;
8388 }
8389
8390 if (arg_dry_run)
8391 action = strjoina("dry-", action);
8392
8393 (void) logind_set_wall_message();
8394
8395 r = sd_bus_call_method(
8396 bus,
8397 "org.freedesktop.login1",
8398 "/org/freedesktop/login1",
8399 "org.freedesktop.login1.Manager",
8400 "ScheduleShutdown",
8401 &error,
8402 NULL,
8403 "st",
8404 action,
8405 arg_when);
8406 if (r < 0)
8407 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8408
8409 if (!arg_quiet)
8410 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8411 return 0;
8412 #else
8413 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8414 return -ENOSYS;
8415 #endif
8416 }
8417
8418 static int halt_main(void) {
8419 int r;
8420
8421 r = logind_check_inhibitors(arg_action);
8422 if (r < 0)
8423 return r;
8424
8425 if (arg_when > 0)
8426 return logind_schedule_shutdown();
8427
8428 if (geteuid() != 0) {
8429 if (arg_dry_run || arg_force > 0) {
8430 (void) must_be_root();
8431 return -EPERM;
8432 }
8433
8434 /* Try logind if we are a normal user and no special
8435 * mode applies. Maybe PolicyKit allows us to shutdown
8436 * the machine. */
8437 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
8438 r = logind_reboot(arg_action);
8439 if (r >= 0)
8440 return r;
8441 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
8442 /* requested operation is not
8443 * supported on the local system or
8444 * already in progress */
8445 return r;
8446 /* on all other errors, try low-level operation */
8447 }
8448 }
8449
8450 if (!arg_dry_run && !arg_force)
8451 return start_with_fallback();
8452
8453 assert(geteuid() == 0);
8454
8455 if (!arg_no_wtmp) {
8456 if (sd_booted() > 0)
8457 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
8458 else {
8459 r = utmp_put_shutdown();
8460 if (r < 0)
8461 log_warning_errno(r, "Failed to write utmp record: %m");
8462 }
8463 }
8464
8465 if (arg_dry_run)
8466 return 0;
8467
8468 r = halt_now(arg_action);
8469 return log_error_errno(r, "Failed to reboot: %m");
8470 }
8471
8472 static int runlevel_main(void) {
8473 int r, runlevel, previous;
8474
8475 r = utmp_get_runlevel(&runlevel, &previous);
8476 if (r < 0) {
8477 puts("unknown");
8478 return r;
8479 }
8480
8481 printf("%c %c\n",
8482 previous <= 0 ? 'N' : previous,
8483 runlevel <= 0 ? 'N' : runlevel);
8484
8485 return 0;
8486 }
8487
8488 static int logind_cancel_shutdown(void) {
8489 #if ENABLE_LOGIND
8490 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8491 sd_bus *bus;
8492 int r;
8493
8494 r = acquire_bus(BUS_FULL, &bus);
8495 if (r < 0)
8496 return r;
8497
8498 (void) logind_set_wall_message();
8499
8500 r = sd_bus_call_method(
8501 bus,
8502 "org.freedesktop.login1",
8503 "/org/freedesktop/login1",
8504 "org.freedesktop.login1.Manager",
8505 "CancelScheduledShutdown",
8506 &error,
8507 NULL, NULL);
8508 if (r < 0)
8509 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
8510
8511 return 0;
8512 #else
8513 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
8514 return -ENOSYS;
8515 #endif
8516 }
8517
8518 int main(int argc, char*argv[]) {
8519 int r;
8520
8521 argv_cmdline = argv[0];
8522
8523 setlocale(LC_ALL, "");
8524 log_parse_environment();
8525 log_open();
8526 sigbus_install();
8527
8528 /* Explicitly not on_tty() to avoid setting cached value.
8529 * This becomes relevant for piping output which might be
8530 * ellipsized. */
8531 original_stdout_is_tty = isatty(STDOUT_FILENO);
8532
8533 r = parse_argv(argc, argv);
8534 if (r <= 0)
8535 goto finish;
8536
8537 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
8538
8539 if (!arg_quiet)
8540 log_info("Running in chroot, ignoring request.");
8541 r = 0;
8542 goto finish;
8543 }
8544
8545 /* systemctl_main() will print an error message for the bus
8546 * connection, but only if it needs to */
8547
8548 switch (arg_action) {
8549
8550 case ACTION_SYSTEMCTL:
8551 r = systemctl_main(argc, argv);
8552 break;
8553
8554 /* Legacy command aliases set arg_action. They provide some fallbacks,
8555 * e.g. to tell sysvinit to reboot after you have installed systemd
8556 * binaries. */
8557
8558 case ACTION_HALT:
8559 case ACTION_POWEROFF:
8560 case ACTION_REBOOT:
8561 case ACTION_KEXEC:
8562 r = halt_main();
8563 break;
8564
8565 case ACTION_RUNLEVEL2:
8566 case ACTION_RUNLEVEL3:
8567 case ACTION_RUNLEVEL4:
8568 case ACTION_RUNLEVEL5:
8569 case ACTION_RESCUE:
8570 r = start_with_fallback();
8571 break;
8572
8573 case ACTION_RELOAD:
8574 case ACTION_REEXEC:
8575 r = reload_with_fallback();
8576 break;
8577
8578 case ACTION_CANCEL_SHUTDOWN:
8579 r = logind_cancel_shutdown();
8580 break;
8581
8582 case ACTION_RUNLEVEL:
8583 r = runlevel_main();
8584 break;
8585
8586 case ACTION_EXIT:
8587 case ACTION_SUSPEND:
8588 case ACTION_HIBERNATE:
8589 case ACTION_HYBRID_SLEEP:
8590 case ACTION_SUSPEND_THEN_HIBERNATE:
8591 case ACTION_EMERGENCY:
8592 case ACTION_DEFAULT:
8593 /* systemctl verbs with no equivalent in the legacy commands.
8594 * These cannot appear in arg_action. Fall through. */
8595
8596 case _ACTION_INVALID:
8597 default:
8598 assert_not_reached("Unknown action");
8599 }
8600
8601 finish:
8602 release_busses();
8603
8604 pager_close();
8605 ask_password_agent_close();
8606 polkit_agent_close();
8607
8608 strv_free(arg_types);
8609 strv_free(arg_states);
8610 strv_free(arg_properties);
8611
8612 strv_free(arg_wall);
8613 free(arg_root);
8614 free(arg_esp_path);
8615
8616 /* Note that we return r here, not EXIT_SUCCESS, so that we can implement the LSB-like return codes */
8617 return r < 0 ? EXIT_FAILURE : r;
8618 }
Unnamed repository; edit this file 'description' to name the repository.