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systemctl: drop my copyright
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/prctl.h>
12 #include <sys/reboot.h>
13 #include <sys/socket.h>
14 #include <unistd.h>
15
16 #include "sd-bus.h"
17 #include "sd-daemon.h"
18 #include "sd-event.h"
19 #include "sd-login.h"
20
21 #include "alloc-util.h"
22 #include "bootspec.h"
23 #include "bus-common-errors.h"
24 #include "bus-error.h"
25 #include "bus-message.h"
26 #include "bus-unit-util.h"
27 #include "bus-util.h"
28 #include "cgroup-show.h"
29 #include "cgroup-util.h"
30 #include "copy.h"
31 #include "dropin.h"
32 #include "efivars.h"
33 #include "env-util.h"
34 #include "escape.h"
35 #include "exit-status.h"
36 #include "fd-util.h"
37 #include "format-util.h"
38 #include "fs-util.h"
39 #include "glob-util.h"
40 #include "hexdecoct.h"
41 #include "hostname-util.h"
42 #include "initreq.h"
43 #include "install.h"
44 #include "io-util.h"
45 #include "list.h"
46 #include "locale-util.h"
47 #include "log.h"
48 #include "logs-show.h"
49 #include "macro.h"
50 #include "main-func.h"
51 #include "mkdir.h"
52 #include "pager.h"
53 #include "parse-util.h"
54 #include "path-lookup.h"
55 #include "path-util.h"
56 #include "pretty-print.h"
57 #include "proc-cmdline.h"
58 #include "process-util.h"
59 #include "reboot-util.h"
60 #include "rlimit-util.h"
61 #include "set.h"
62 #include "sigbus.h"
63 #include "signal-util.h"
64 #include "socket-util.h"
65 #include "spawn-ask-password-agent.h"
66 #include "spawn-polkit-agent.h"
67 #include "special.h"
68 #include "stat-util.h"
69 #include "string-table.h"
70 #include "strv.h"
71 #include "terminal-util.h"
72 #include "tmpfile-util.h"
73 #include "unit-def.h"
74 #include "unit-name.h"
75 #include "user-util.h"
76 #include "util.h"
77 #include "utmp-wtmp.h"
78 #include "verbs.h"
79 #include "virt.h"
80
81 /* The init script exit status codes
82 0 program is running or service is OK
83 1 program is dead and /var/run pid file exists
84 2 program is dead and /var/lock lock file exists
85 3 program is not running
86 4 program or service status is unknown
87 5-99 reserved for future LSB use
88 100-149 reserved for distribution use
89 150-199 reserved for application use
90 200-254 reserved
91 */
92 enum {
93 EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0,
94 EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1,
95 EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2,
96 EXIT_PROGRAM_NOT_RUNNING = 3,
97 EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4,
98 };
99
100 static char **arg_types = NULL;
101 static char **arg_states = NULL;
102 static char **arg_properties = NULL;
103 static bool arg_all = false;
104 static enum dependency {
105 DEPENDENCY_FORWARD,
106 DEPENDENCY_REVERSE,
107 DEPENDENCY_AFTER,
108 DEPENDENCY_BEFORE,
109 _DEPENDENCY_MAX
110 } arg_dependency = DEPENDENCY_FORWARD;
111 static const char *arg_job_mode = "replace";
112 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
113 static bool arg_wait = false;
114 static bool arg_no_block = false;
115 static bool arg_no_legend = false;
116 static PagerFlags arg_pager_flags = 0;
117 static bool arg_no_wtmp = false;
118 static bool arg_no_sync = false;
119 static bool arg_no_wall = false;
120 static bool arg_no_reload = false;
121 static bool arg_value = false;
122 static bool arg_show_types = false;
123 static bool arg_ignore_inhibitors = false;
124 static bool arg_dry_run = false;
125 static bool arg_quiet = false;
126 static bool arg_full = false;
127 static bool arg_recursive = false;
128 static int arg_force = 0;
129 static bool arg_ask_password = false;
130 static bool arg_runtime = false;
131 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
132 static char **arg_wall = NULL;
133 static const char *arg_kill_who = NULL;
134 static int arg_signal = SIGTERM;
135 static char *arg_root = NULL;
136 static usec_t arg_when = 0;
137 static char *arg_esp_path = NULL;
138 static char *argv_cmdline = NULL;
139 static enum action {
140 ACTION_SYSTEMCTL,
141 ACTION_HALT,
142 ACTION_POWEROFF,
143 ACTION_REBOOT,
144 ACTION_KEXEC,
145 ACTION_EXIT,
146 ACTION_SUSPEND,
147 ACTION_HIBERNATE,
148 ACTION_HYBRID_SLEEP,
149 ACTION_SUSPEND_THEN_HIBERNATE,
150 ACTION_RUNLEVEL2,
151 ACTION_RUNLEVEL3,
152 ACTION_RUNLEVEL4,
153 ACTION_RUNLEVEL5,
154 ACTION_RESCUE,
155 ACTION_EMERGENCY,
156 ACTION_DEFAULT,
157 ACTION_RELOAD,
158 ACTION_REEXEC,
159 ACTION_RUNLEVEL,
160 ACTION_CANCEL_SHUTDOWN,
161 _ACTION_MAX,
162 _ACTION_INVALID = -1
163 } arg_action = ACTION_SYSTEMCTL;
164 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
165 static const char *arg_host = NULL;
166 static unsigned arg_lines = 10;
167 static OutputMode arg_output = OUTPUT_SHORT;
168 static bool arg_plain = false;
169 static bool arg_firmware_setup = false;
170 static bool arg_now = false;
171 static bool arg_jobs_before = false;
172 static bool arg_jobs_after = false;
173
174 static int daemon_reload(int argc, char *argv[], void* userdata);
175 static int trivial_method(int argc, char *argv[], void *userdata);
176 static int halt_now(enum action a);
177 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
178
179 static bool original_stdout_is_tty;
180
181 typedef enum BusFocus {
182 BUS_FULL, /* The full bus indicated via --system or --user */
183 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
184 _BUS_FOCUS_MAX
185 } BusFocus;
186
187 static sd_bus *busses[_BUS_FOCUS_MAX] = {};
188
189 static UnitFileFlags args_to_flags(void) {
190 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
191 (arg_force ? UNIT_FILE_FORCE : 0);
192 }
193
194 static int acquire_bus(BusFocus focus, sd_bus **ret) {
195 int r;
196
197 assert(focus < _BUS_FOCUS_MAX);
198 assert(ret);
199
200 /* We only go directly to the manager, if we are using a local transport */
201 if (arg_transport != BUS_TRANSPORT_LOCAL)
202 focus = BUS_FULL;
203
204 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
205 focus = BUS_FULL;
206
207 if (!busses[focus]) {
208 bool user;
209
210 user = arg_scope != UNIT_FILE_SYSTEM;
211
212 if (focus == BUS_MANAGER)
213 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
214 else
215 r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
216 if (r < 0)
217 return log_error_errno(r, "Failed to connect to bus: %m");
218
219 (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
220 }
221
222 *ret = busses[focus];
223 return 0;
224 }
225
226 static void release_busses(void) {
227 BusFocus w;
228
229 for (w = 0; w < _BUS_FOCUS_MAX; w++)
230 busses[w] = sd_bus_flush_close_unref(busses[w]);
231 }
232
233 static void ask_password_agent_open_if_enabled(void) {
234 /* Open the password agent as a child process if necessary */
235
236 if (arg_dry_run)
237 return;
238
239 if (!arg_ask_password)
240 return;
241
242 if (arg_scope != UNIT_FILE_SYSTEM)
243 return;
244
245 if (arg_transport != BUS_TRANSPORT_LOCAL)
246 return;
247
248 ask_password_agent_open();
249 }
250
251 static void polkit_agent_open_maybe(void) {
252 /* Open the polkit agent as a child process if necessary */
253
254 if (arg_scope != UNIT_FILE_SYSTEM)
255 return;
256
257 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
258 }
259
260 static OutputFlags get_output_flags(void) {
261 return
262 arg_all * OUTPUT_SHOW_ALL |
263 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
264 colors_enabled() * OUTPUT_COLOR |
265 !arg_quiet * OUTPUT_WARN_CUTOFF;
266 }
267
268 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
269 assert(error);
270
271 if (!sd_bus_error_is_set(error))
272 return r;
273
274 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
275 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
276 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
277 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
278 return EXIT_NOPERMISSION;
279
280 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
281 return EXIT_NOTINSTALLED;
282
283 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
284 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
285 return EXIT_NOTIMPLEMENTED;
286
287 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
288 return EXIT_NOTCONFIGURED;
289
290 if (r != 0)
291 return r;
292
293 return EXIT_FAILURE;
294 }
295
296 static bool install_client_side(void) {
297 /* Decides when to execute enable/disable/... operations
298 * client-side rather than server-side. */
299
300 if (running_in_chroot_or_offline())
301 return true;
302
303 if (sd_booted() <= 0)
304 return true;
305
306 if (!isempty(arg_root))
307 return true;
308
309 if (arg_scope == UNIT_FILE_GLOBAL)
310 return true;
311
312 /* Unsupported environment variable, mostly for debugging purposes */
313 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
314 return true;
315
316 return false;
317 }
318
319 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
320 const char *d1, *d2;
321 int r;
322
323 /* First, order by machine */
324 if (!a->machine && b->machine)
325 return -1;
326 if (a->machine && !b->machine)
327 return 1;
328 if (a->machine && b->machine) {
329 r = strcasecmp(a->machine, b->machine);
330 if (r != 0)
331 return r;
332 }
333
334 /* Second, order by unit type */
335 d1 = strrchr(a->id, '.');
336 d2 = strrchr(b->id, '.');
337 if (d1 && d2) {
338 r = strcasecmp(d1, d2);
339 if (r != 0)
340 return r;
341 }
342
343 /* Third, order by name */
344 return strcasecmp(a->id, b->id);
345 }
346
347 static const char* unit_type_suffix(const char *name) {
348 const char *dot;
349
350 dot = strrchr(name, '.');
351 if (!dot)
352 return "";
353
354 return dot + 1;
355 }
356
357 static bool output_show_unit(const UnitInfo *u, char **patterns) {
358 assert(u);
359
360 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
361 return false;
362
363 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
364 return false;
365
366 if (arg_all)
367 return true;
368
369 /* Note that '--all' is not purely a state filter, but also a
370 * filter that hides units that "follow" other units (which is
371 * used for device units that appear under different names). */
372 if (!isempty(u->following))
373 return false;
374
375 if (!strv_isempty(arg_states))
376 return true;
377
378 /* By default show all units except the ones in inactive
379 * state and with no pending job */
380 if (u->job_id > 0)
381 return true;
382
383 if (streq(u->active_state, "inactive"))
384 return false;
385
386 return true;
387 }
388
389 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
390 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
391 const UnitInfo *u;
392 unsigned n_shown = 0;
393 int job_count = 0;
394 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
395
396 max_id_len = STRLEN("UNIT");
397 load_len = STRLEN("LOAD");
398 active_len = STRLEN("ACTIVE");
399 sub_len = STRLEN("SUB");
400 job_len = STRLEN("JOB");
401 max_desc_len = STRLEN("DESCRIPTION");
402
403 for (u = unit_infos; u < unit_infos + c; u++) {
404 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
405 load_len = MAX(load_len, strlen(u->load_state));
406 active_len = MAX(active_len, strlen(u->active_state));
407 sub_len = MAX(sub_len, strlen(u->sub_state));
408 max_desc_len = MAX(max_desc_len, strlen(u->description));
409
410 if (u->job_id != 0) {
411 job_len = MAX(job_len, strlen(u->job_type));
412 job_count++;
413 }
414
415 if (!arg_no_legend &&
416 (streq(u->active_state, "failed") ||
417 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
418 circle_len = 2;
419 }
420
421 if (!arg_full && original_stdout_is_tty) {
422 unsigned basic_len;
423
424 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
425 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
426
427 if (job_count)
428 basic_len += job_len + 1;
429
430 if (basic_len < (unsigned) columns()) {
431 unsigned extra_len, incr;
432 extra_len = columns() - basic_len;
433
434 /* Either UNIT already got 25, or is fully satisfied.
435 * Grant up to 25 to DESC now. */
436 incr = MIN(extra_len, 25u);
437 desc_len = incr;
438 extra_len -= incr;
439
440 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
441 * description but not more than it needs. */
442 if (extra_len > 0) {
443 incr = MIN(max_id_len - id_len, extra_len);
444 id_len += incr;
445 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
446 }
447 } else
448 desc_len = 0;
449 } else {
450 id_len = max_id_len;
451 desc_len = max_desc_len;
452 }
453
454 for (u = unit_infos; u < unit_infos + c; u++) {
455 _cleanup_free_ char *e = NULL, *j = NULL;
456 const char *on_underline = "", *off_underline = "";
457 const char *on_loaded = "", *off_loaded = "";
458 const char *on_active = "", *off_active = "";
459 const char *on_circle = "", *off_circle = "";
460 const char *id;
461 bool circle = false, underline = false;
462
463 if (!n_shown && !arg_no_legend) {
464
465 if (circle_len > 0)
466 fputs(" ", stdout);
467
468 printf("%s%-*s %-*s %-*s %-*s ",
469 ansi_underline(),
470 id_len, "UNIT",
471 load_len, "LOAD",
472 active_len, "ACTIVE",
473 sub_len, "SUB");
474
475 if (job_count)
476 printf("%-*s ", job_len, "JOB");
477
478 printf("%-*.*s%s\n",
479 desc_len,
480 full ? -1 : (int) desc_len,
481 "DESCRIPTION",
482 ansi_normal());
483 }
484
485 n_shown++;
486
487 if (u + 1 < unit_infos + c &&
488 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
489 on_underline = ansi_underline();
490 off_underline = ansi_normal();
491 underline = true;
492 }
493
494 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
495 on_circle = ansi_highlight_yellow();
496 off_circle = ansi_normal();
497 circle = true;
498 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
499 off_loaded = underline ? on_underline : ansi_normal();
500 } else if (streq(u->active_state, "failed") && !arg_plain) {
501 on_circle = ansi_highlight_red();
502 off_circle = ansi_normal();
503 circle = true;
504 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
505 off_active = underline ? on_underline : ansi_normal();
506 }
507
508 if (u->machine) {
509 j = strjoin(u->machine, ":", u->id);
510 if (!j)
511 return log_oom();
512
513 id = j;
514 } else
515 id = u->id;
516
517 if (arg_full) {
518 e = ellipsize(id, id_len, 33);
519 if (!e)
520 return log_oom();
521
522 id = e;
523 }
524
525 if (circle_len > 0)
526 printf("%s%s%s ", on_circle, circle ? special_glyph(BLACK_CIRCLE) : " ", off_circle);
527
528 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
529 on_underline,
530 on_active, id_len, id, off_active,
531 on_loaded, load_len, u->load_state, off_loaded,
532 on_active, active_len, u->active_state,
533 sub_len, u->sub_state, off_active,
534 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
535
536 printf("%-*.*s%s\n",
537 desc_len,
538 full ? -1 : (int) desc_len,
539 u->description,
540 off_underline);
541 }
542
543 if (!arg_no_legend) {
544 const char *on, *off;
545
546 if (n_shown) {
547 puts("\n"
548 "LOAD = Reflects whether the unit definition was properly loaded.\n"
549 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
550 "SUB = The low-level unit activation state, values depend on unit type.");
551 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
552 on = ansi_highlight();
553 off = ansi_normal();
554 } else {
555 on = ansi_highlight_red();
556 off = ansi_normal();
557 }
558
559 if (arg_all)
560 printf("%s%u loaded units listed.%s\n"
561 "To show all installed unit files use 'systemctl list-unit-files'.\n",
562 on, n_shown, off);
563 else
564 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
565 "To show all installed unit files use 'systemctl list-unit-files'.\n",
566 on, n_shown, off);
567 }
568
569 return 0;
570 }
571
572 static int get_unit_list(
573 sd_bus *bus,
574 const char *machine,
575 char **patterns,
576 UnitInfo **unit_infos,
577 int c,
578 sd_bus_message **_reply) {
579
580 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
581 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
582 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
583 size_t size = c;
584 int r;
585 UnitInfo u;
586 bool fallback = false;
587
588 assert(bus);
589 assert(unit_infos);
590 assert(_reply);
591
592 r = sd_bus_message_new_method_call(
593 bus,
594 &m,
595 "org.freedesktop.systemd1",
596 "/org/freedesktop/systemd1",
597 "org.freedesktop.systemd1.Manager",
598 "ListUnitsByPatterns");
599 if (r < 0)
600 return bus_log_create_error(r);
601
602 r = sd_bus_message_append_strv(m, arg_states);
603 if (r < 0)
604 return bus_log_create_error(r);
605
606 r = sd_bus_message_append_strv(m, patterns);
607 if (r < 0)
608 return bus_log_create_error(r);
609
610 r = sd_bus_call(bus, m, 0, &error, &reply);
611 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
612 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
613 /* Fallback to legacy ListUnitsFiltered method */
614 fallback = true;
615 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
616 m = sd_bus_message_unref(m);
617 sd_bus_error_free(&error);
618
619 r = sd_bus_message_new_method_call(
620 bus,
621 &m,
622 "org.freedesktop.systemd1",
623 "/org/freedesktop/systemd1",
624 "org.freedesktop.systemd1.Manager",
625 "ListUnitsFiltered");
626 if (r < 0)
627 return bus_log_create_error(r);
628
629 r = sd_bus_message_append_strv(m, arg_states);
630 if (r < 0)
631 return bus_log_create_error(r);
632
633 r = sd_bus_call(bus, m, 0, &error, &reply);
634 }
635 if (r < 0)
636 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
637
638 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
639 if (r < 0)
640 return bus_log_parse_error(r);
641
642 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
643 u.machine = machine;
644
645 if (!output_show_unit(&u, fallback ? patterns : NULL))
646 continue;
647
648 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
649 return log_oom();
650
651 (*unit_infos)[c++] = u;
652 }
653 if (r < 0)
654 return bus_log_parse_error(r);
655
656 r = sd_bus_message_exit_container(reply);
657 if (r < 0)
658 return bus_log_parse_error(r);
659
660 *_reply = TAKE_PTR(reply);
661
662 return c;
663 }
664
665 static void message_set_freep(Set **set) {
666 set_free_with_destructor(*set, sd_bus_message_unref);
667 }
668
669 static int get_unit_list_recursive(
670 sd_bus *bus,
671 char **patterns,
672 UnitInfo **_unit_infos,
673 Set **_replies,
674 char ***_machines) {
675
676 _cleanup_free_ UnitInfo *unit_infos = NULL;
677 _cleanup_(message_set_freep) Set *replies;
678 sd_bus_message *reply;
679 int c, r;
680
681 assert(bus);
682 assert(_replies);
683 assert(_unit_infos);
684 assert(_machines);
685
686 replies = set_new(NULL);
687 if (!replies)
688 return log_oom();
689
690 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
691 if (c < 0)
692 return c;
693
694 r = set_put(replies, reply);
695 if (r < 0) {
696 sd_bus_message_unref(reply);
697 return log_oom();
698 }
699
700 if (arg_recursive) {
701 _cleanup_strv_free_ char **machines = NULL;
702 char **i;
703
704 r = sd_get_machine_names(&machines);
705 if (r < 0)
706 return log_error_errno(r, "Failed to get machine names: %m");
707
708 STRV_FOREACH(i, machines) {
709 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
710 int k;
711
712 r = sd_bus_open_system_machine(&container, *i);
713 if (r < 0) {
714 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
715 continue;
716 }
717
718 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
719 if (k < 0)
720 return k;
721
722 c = k;
723
724 r = set_put(replies, reply);
725 if (r < 0) {
726 sd_bus_message_unref(reply);
727 return log_oom();
728 }
729 }
730
731 *_machines = TAKE_PTR(machines);
732 } else
733 *_machines = NULL;
734
735 *_unit_infos = TAKE_PTR(unit_infos);
736
737 *_replies = TAKE_PTR(replies);
738
739 return c;
740 }
741
742 static int list_units(int argc, char *argv[], void *userdata) {
743 _cleanup_free_ UnitInfo *unit_infos = NULL;
744 _cleanup_(message_set_freep) Set *replies = NULL;
745 _cleanup_strv_free_ char **machines = NULL;
746 sd_bus *bus;
747 int r;
748
749 r = acquire_bus(BUS_MANAGER, &bus);
750 if (r < 0)
751 return r;
752
753 (void) pager_open(arg_pager_flags);
754
755 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
756 if (r < 0)
757 return r;
758
759 typesafe_qsort(unit_infos, r, compare_unit_info);
760 return output_units_list(unit_infos, r);
761 }
762
763 static int get_triggered_units(
764 sd_bus *bus,
765 const char* path,
766 char*** ret) {
767
768 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
769 int r;
770
771 assert(bus);
772 assert(path);
773 assert(ret);
774
775 r = sd_bus_get_property_strv(
776 bus,
777 "org.freedesktop.systemd1",
778 path,
779 "org.freedesktop.systemd1.Unit",
780 "Triggers",
781 &error,
782 ret);
783 if (r < 0)
784 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
785
786 return 0;
787 }
788
789 static int get_listening(
790 sd_bus *bus,
791 const char* unit_path,
792 char*** listening) {
793
794 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
795 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
796 const char *type, *path;
797 int r, n = 0;
798
799 r = sd_bus_get_property(
800 bus,
801 "org.freedesktop.systemd1",
802 unit_path,
803 "org.freedesktop.systemd1.Socket",
804 "Listen",
805 &error,
806 &reply,
807 "a(ss)");
808 if (r < 0)
809 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
810
811 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
812 if (r < 0)
813 return bus_log_parse_error(r);
814
815 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
816
817 r = strv_extend(listening, type);
818 if (r < 0)
819 return log_oom();
820
821 r = strv_extend(listening, path);
822 if (r < 0)
823 return log_oom();
824
825 n++;
826 }
827 if (r < 0)
828 return bus_log_parse_error(r);
829
830 r = sd_bus_message_exit_container(reply);
831 if (r < 0)
832 return bus_log_parse_error(r);
833
834 return n;
835 }
836
837 struct socket_info {
838 const char *machine;
839 const char* id;
840
841 char* type;
842 char* path;
843
844 /* Note: triggered is a list here, although it almost certainly
845 * will always be one unit. Nevertheless, dbus API allows for multiple
846 * values, so let's follow that. */
847 char** triggered;
848
849 /* The strv above is shared. free is set only in the first one. */
850 bool own_triggered;
851 };
852
853 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
854 int r;
855
856 assert(a);
857 assert(b);
858
859 if (!a->machine && b->machine)
860 return -1;
861 if (a->machine && !b->machine)
862 return 1;
863 if (a->machine && b->machine) {
864 r = strcasecmp(a->machine, b->machine);
865 if (r != 0)
866 return r;
867 }
868
869 r = strcmp(a->path, b->path);
870 if (r == 0)
871 r = strcmp(a->type, b->type);
872
873 return r;
874 }
875
876 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
877 struct socket_info *s;
878 unsigned pathlen = STRLEN("LISTEN"),
879 typelen = STRLEN("TYPE") * arg_show_types,
880 socklen = STRLEN("UNIT"),
881 servlen = STRLEN("ACTIVATES");
882 const char *on, *off;
883
884 for (s = socket_infos; s < socket_infos + cs; s++) {
885 unsigned tmp = 0;
886 char **a;
887
888 socklen = MAX(socklen, strlen(s->id));
889 if (arg_show_types)
890 typelen = MAX(typelen, strlen(s->type));
891 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
892
893 STRV_FOREACH(a, s->triggered)
894 tmp += strlen(*a) + 2*(a != s->triggered);
895 servlen = MAX(servlen, tmp);
896 }
897
898 if (cs) {
899 if (!arg_no_legend)
900 printf("%-*s %-*.*s%-*s %s\n",
901 pathlen, "LISTEN",
902 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
903 socklen, "UNIT",
904 "ACTIVATES");
905
906 for (s = socket_infos; s < socket_infos + cs; s++) {
907 _cleanup_free_ char *j = NULL;
908 const char *path;
909 char **a;
910
911 if (s->machine) {
912 j = strjoin(s->machine, ":", s->path);
913 if (!j)
914 return log_oom();
915 path = j;
916 } else
917 path = s->path;
918
919 if (arg_show_types)
920 printf("%-*s %-*s %-*s",
921 pathlen, path, typelen, s->type, socklen, s->id);
922 else
923 printf("%-*s %-*s",
924 pathlen, path, socklen, s->id);
925 STRV_FOREACH(a, s->triggered)
926 printf("%s %s",
927 a == s->triggered ? "" : ",", *a);
928 printf("\n");
929 }
930
931 on = ansi_highlight();
932 off = ansi_normal();
933 if (!arg_no_legend)
934 printf("\n");
935 } else {
936 on = ansi_highlight_red();
937 off = ansi_normal();
938 }
939
940 if (!arg_no_legend) {
941 printf("%s%u sockets listed.%s\n", on, cs, off);
942 if (!arg_all)
943 printf("Pass --all to see loaded but inactive sockets, too.\n");
944 }
945
946 return 0;
947 }
948
949 static int list_sockets(int argc, char *argv[], void *userdata) {
950 _cleanup_(message_set_freep) Set *replies = NULL;
951 _cleanup_strv_free_ char **machines = NULL;
952 _cleanup_free_ UnitInfo *unit_infos = NULL;
953 _cleanup_free_ struct socket_info *socket_infos = NULL;
954 const UnitInfo *u;
955 struct socket_info *s;
956 unsigned cs = 0;
957 size_t size = 0;
958 int r = 0, n;
959 sd_bus *bus;
960
961 r = acquire_bus(BUS_MANAGER, &bus);
962 if (r < 0)
963 return r;
964
965 (void) pager_open(arg_pager_flags);
966
967 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
968 if (n < 0)
969 return n;
970
971 for (u = unit_infos; u < unit_infos + n; u++) {
972 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
973 int i, c;
974
975 if (!endswith(u->id, ".socket"))
976 continue;
977
978 r = get_triggered_units(bus, u->unit_path, &triggered);
979 if (r < 0)
980 goto cleanup;
981
982 c = get_listening(bus, u->unit_path, &listening);
983 if (c < 0) {
984 r = c;
985 goto cleanup;
986 }
987
988 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
989 r = log_oom();
990 goto cleanup;
991 }
992
993 for (i = 0; i < c; i++)
994 socket_infos[cs + i] = (struct socket_info) {
995 .machine = u->machine,
996 .id = u->id,
997 .type = listening[i*2],
998 .path = listening[i*2 + 1],
999 .triggered = triggered,
1000 .own_triggered = i==0,
1001 };
1002
1003 /* from this point on we will cleanup those socket_infos */
1004 cs += c;
1005 free(listening);
1006 listening = triggered = NULL; /* avoid cleanup */
1007 }
1008
1009 typesafe_qsort(socket_infos, cs, socket_info_compare);
1010
1011 output_sockets_list(socket_infos, cs);
1012
1013 cleanup:
1014 assert(cs == 0 || socket_infos);
1015 for (s = socket_infos; s < socket_infos + cs; s++) {
1016 free(s->type);
1017 free(s->path);
1018 if (s->own_triggered)
1019 strv_free(s->triggered);
1020 }
1021
1022 return r;
1023 }
1024
1025 static int get_next_elapse(
1026 sd_bus *bus,
1027 const char *path,
1028 dual_timestamp *next) {
1029
1030 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1031 dual_timestamp t;
1032 int r;
1033
1034 assert(bus);
1035 assert(path);
1036 assert(next);
1037
1038 r = sd_bus_get_property_trivial(
1039 bus,
1040 "org.freedesktop.systemd1",
1041 path,
1042 "org.freedesktop.systemd1.Timer",
1043 "NextElapseUSecMonotonic",
1044 &error,
1045 't',
1046 &t.monotonic);
1047 if (r < 0)
1048 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1049
1050 r = sd_bus_get_property_trivial(
1051 bus,
1052 "org.freedesktop.systemd1",
1053 path,
1054 "org.freedesktop.systemd1.Timer",
1055 "NextElapseUSecRealtime",
1056 &error,
1057 't',
1058 &t.realtime);
1059 if (r < 0)
1060 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1061
1062 *next = t;
1063 return 0;
1064 }
1065
1066 static int get_last_trigger(
1067 sd_bus *bus,
1068 const char *path,
1069 usec_t *last) {
1070
1071 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1072 int r;
1073
1074 assert(bus);
1075 assert(path);
1076 assert(last);
1077
1078 r = sd_bus_get_property_trivial(
1079 bus,
1080 "org.freedesktop.systemd1",
1081 path,
1082 "org.freedesktop.systemd1.Timer",
1083 "LastTriggerUSec",
1084 &error,
1085 't',
1086 last);
1087 if (r < 0)
1088 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1089
1090 return 0;
1091 }
1092
1093 struct timer_info {
1094 const char* machine;
1095 const char* id;
1096 usec_t next_elapse;
1097 usec_t last_trigger;
1098 char** triggered;
1099 };
1100
1101 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1102 int r;
1103
1104 assert(a);
1105 assert(b);
1106
1107 if (!a->machine && b->machine)
1108 return -1;
1109 if (a->machine && !b->machine)
1110 return 1;
1111 if (a->machine && b->machine) {
1112 r = strcasecmp(a->machine, b->machine);
1113 if (r != 0)
1114 return r;
1115 }
1116
1117 r = CMP(a->next_elapse, b->next_elapse);
1118 if (r != 0)
1119 return r;
1120
1121 return strcmp(a->id, b->id);
1122 }
1123
1124 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1125 struct timer_info *t;
1126 unsigned
1127 nextlen = STRLEN("NEXT"),
1128 leftlen = STRLEN("LEFT"),
1129 lastlen = STRLEN("LAST"),
1130 passedlen = STRLEN("PASSED"),
1131 unitlen = STRLEN("UNIT"),
1132 activatelen = STRLEN("ACTIVATES");
1133
1134 const char *on, *off;
1135
1136 assert(timer_infos || n == 0);
1137
1138 for (t = timer_infos; t < timer_infos + n; t++) {
1139 unsigned ul = 0;
1140 char **a;
1141
1142 if (t->next_elapse > 0) {
1143 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1144
1145 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1146 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1147
1148 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1149 leftlen = MAX(leftlen, strlen(trel));
1150 }
1151
1152 if (t->last_trigger > 0) {
1153 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1154
1155 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1156 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1157
1158 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1159 passedlen = MAX(passedlen, strlen(trel));
1160 }
1161
1162 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1163
1164 STRV_FOREACH(a, t->triggered)
1165 ul += strlen(*a) + 2*(a != t->triggered);
1166
1167 activatelen = MAX(activatelen, ul);
1168 }
1169
1170 if (n > 0) {
1171 if (!arg_no_legend)
1172 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1173 nextlen, "NEXT",
1174 leftlen, "LEFT",
1175 lastlen, "LAST",
1176 passedlen, "PASSED",
1177 unitlen, "UNIT",
1178 "ACTIVATES");
1179
1180 for (t = timer_infos; t < timer_infos + n; t++) {
1181 _cleanup_free_ char *j = NULL;
1182 const char *unit;
1183 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1184 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1185 char **a;
1186
1187 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1188 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1189
1190 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1191 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1192
1193 if (t->machine) {
1194 j = strjoin(t->machine, ":", t->id);
1195 if (!j)
1196 return log_oom();
1197 unit = j;
1198 } else
1199 unit = t->id;
1200
1201 printf("%-*s %-*s %-*s %-*s %-*s",
1202 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1203
1204 STRV_FOREACH(a, t->triggered)
1205 printf("%s %s",
1206 a == t->triggered ? "" : ",", *a);
1207 printf("\n");
1208 }
1209
1210 on = ansi_highlight();
1211 off = ansi_normal();
1212 if (!arg_no_legend)
1213 printf("\n");
1214 } else {
1215 on = ansi_highlight_red();
1216 off = ansi_normal();
1217 }
1218
1219 if (!arg_no_legend) {
1220 printf("%s%u timers listed.%s\n", on, n, off);
1221 if (!arg_all)
1222 printf("Pass --all to see loaded but inactive timers, too.\n");
1223 }
1224
1225 return 0;
1226 }
1227
1228 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1229 usec_t next_elapse;
1230
1231 assert(nw);
1232 assert(next);
1233
1234 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1235 usec_t converted;
1236
1237 if (next->monotonic > nw->monotonic)
1238 converted = nw->realtime + (next->monotonic - nw->monotonic);
1239 else
1240 converted = nw->realtime - (nw->monotonic - next->monotonic);
1241
1242 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1243 next_elapse = MIN(converted, next->realtime);
1244 else
1245 next_elapse = converted;
1246
1247 } else
1248 next_elapse = next->realtime;
1249
1250 return next_elapse;
1251 }
1252
1253 static int list_timers(int argc, char *argv[], void *userdata) {
1254 _cleanup_(message_set_freep) Set *replies = NULL;
1255 _cleanup_strv_free_ char **machines = NULL;
1256 _cleanup_free_ struct timer_info *timer_infos = NULL;
1257 _cleanup_free_ UnitInfo *unit_infos = NULL;
1258 struct timer_info *t;
1259 const UnitInfo *u;
1260 size_t size = 0;
1261 int n, c = 0;
1262 dual_timestamp nw;
1263 sd_bus *bus;
1264 int r = 0;
1265
1266 r = acquire_bus(BUS_MANAGER, &bus);
1267 if (r < 0)
1268 return r;
1269
1270 (void) pager_open(arg_pager_flags);
1271
1272 n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
1273 if (n < 0)
1274 return n;
1275
1276 dual_timestamp_get(&nw);
1277
1278 for (u = unit_infos; u < unit_infos + n; u++) {
1279 _cleanup_strv_free_ char **triggered = NULL;
1280 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1281 usec_t m, last = 0;
1282
1283 if (!endswith(u->id, ".timer"))
1284 continue;
1285
1286 r = get_triggered_units(bus, u->unit_path, &triggered);
1287 if (r < 0)
1288 goto cleanup;
1289
1290 r = get_next_elapse(bus, u->unit_path, &next);
1291 if (r < 0)
1292 goto cleanup;
1293
1294 get_last_trigger(bus, u->unit_path, &last);
1295
1296 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1297 r = log_oom();
1298 goto cleanup;
1299 }
1300
1301 m = calc_next_elapse(&nw, &next);
1302
1303 timer_infos[c++] = (struct timer_info) {
1304 .machine = u->machine,
1305 .id = u->id,
1306 .next_elapse = m,
1307 .last_trigger = last,
1308 .triggered = TAKE_PTR(triggered),
1309 };
1310 }
1311
1312 typesafe_qsort(timer_infos, c, timer_info_compare);
1313
1314 output_timers_list(timer_infos, c);
1315
1316 cleanup:
1317 for (t = timer_infos; t < timer_infos + c; t++)
1318 strv_free(t->triggered);
1319
1320 return r;
1321 }
1322
1323 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1324 const char *d1, *d2;
1325
1326 d1 = strrchr(a->path, '.');
1327 d2 = strrchr(b->path, '.');
1328
1329 if (d1 && d2) {
1330 int r;
1331
1332 r = strcasecmp(d1, d2);
1333 if (r != 0)
1334 return r;
1335 }
1336
1337 return strcasecmp(basename(a->path), basename(b->path));
1338 }
1339
1340 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1341 assert(u);
1342
1343 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1344 return false;
1345
1346 if (!strv_isempty(arg_types)) {
1347 const char *dot;
1348
1349 dot = strrchr(u->path, '.');
1350 if (!dot)
1351 return false;
1352
1353 if (!strv_find(arg_types, dot+1))
1354 return false;
1355 }
1356
1357 if (!strv_isempty(states) &&
1358 !strv_find(states, unit_file_state_to_string(u->state)))
1359 return false;
1360
1361 return true;
1362 }
1363
1364 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1365 unsigned max_id_len, id_cols, state_cols;
1366 const UnitFileList *u;
1367
1368 max_id_len = STRLEN("UNIT FILE");
1369 state_cols = STRLEN("STATE");
1370
1371 for (u = units; u < units + c; u++) {
1372 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1373 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1374 }
1375
1376 if (!arg_full) {
1377 unsigned basic_cols;
1378
1379 id_cols = MIN(max_id_len, 25u);
1380 basic_cols = 1 + id_cols + state_cols;
1381 if (basic_cols < (unsigned) columns())
1382 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1383 } else
1384 id_cols = max_id_len;
1385
1386 if (!arg_no_legend && c > 0)
1387 printf("%s%-*s %-*s%s\n",
1388 ansi_underline(),
1389 id_cols, "UNIT FILE",
1390 state_cols, "STATE",
1391 ansi_normal());
1392
1393 for (u = units; u < units + c; u++) {
1394 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1395 _cleanup_free_ char *e = NULL;
1396 bool underline;
1397
1398 underline = u + 1 < units + c &&
1399 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1400
1401 if (underline)
1402 on_underline = ansi_underline();
1403
1404 if (IN_SET(u->state,
1405 UNIT_FILE_MASKED,
1406 UNIT_FILE_MASKED_RUNTIME,
1407 UNIT_FILE_DISABLED,
1408 UNIT_FILE_BAD))
1409 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1410 else if (u->state == UNIT_FILE_ENABLED)
1411 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1412
1413 if (on_underline || on_color)
1414 off = ansi_normal();
1415
1416 id = basename(u->path);
1417
1418 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1419
1420 printf("%s%-*s %s%-*s%s\n",
1421 strempty(on_underline),
1422 id_cols, e ? e : id,
1423 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1424 }
1425
1426 if (!arg_no_legend)
1427 printf("\n%u unit files listed.\n", c);
1428 }
1429
1430 static int list_unit_files(int argc, char *argv[], void *userdata) {
1431 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1432 _cleanup_free_ UnitFileList *units = NULL;
1433 UnitFileList *unit;
1434 size_t size = 0;
1435 unsigned c = 0;
1436 const char *state;
1437 char *path;
1438 int r;
1439 bool fallback = false;
1440
1441 if (install_client_side()) {
1442 Hashmap *h;
1443 UnitFileList *u;
1444 Iterator i;
1445 unsigned n_units;
1446
1447 h = hashmap_new(&string_hash_ops);
1448 if (!h)
1449 return log_oom();
1450
1451 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1452 if (r < 0) {
1453 unit_file_list_free(h);
1454 return log_error_errno(r, "Failed to get unit file list: %m");
1455 }
1456
1457 n_units = hashmap_size(h);
1458
1459 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1460 if (!units) {
1461 unit_file_list_free(h);
1462 return log_oom();
1463 }
1464
1465 HASHMAP_FOREACH(u, h, i) {
1466 if (!output_show_unit_file(u, NULL, NULL))
1467 continue;
1468
1469 units[c++] = *u;
1470 free(u);
1471 }
1472
1473 assert(c <= n_units);
1474 hashmap_free(h);
1475
1476 r = 0;
1477 } else {
1478 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1479 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1480 sd_bus *bus;
1481
1482 r = acquire_bus(BUS_MANAGER, &bus);
1483 if (r < 0)
1484 return r;
1485
1486 r = sd_bus_message_new_method_call(
1487 bus,
1488 &m,
1489 "org.freedesktop.systemd1",
1490 "/org/freedesktop/systemd1",
1491 "org.freedesktop.systemd1.Manager",
1492 "ListUnitFilesByPatterns");
1493 if (r < 0)
1494 return bus_log_create_error(r);
1495
1496 r = sd_bus_message_append_strv(m, arg_states);
1497 if (r < 0)
1498 return bus_log_create_error(r);
1499
1500 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1501 if (r < 0)
1502 return bus_log_create_error(r);
1503
1504 r = sd_bus_call(bus, m, 0, &error, &reply);
1505 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1506 /* Fallback to legacy ListUnitFiles method */
1507 fallback = true;
1508 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1509 m = sd_bus_message_unref(m);
1510 sd_bus_error_free(&error);
1511
1512 r = sd_bus_message_new_method_call(
1513 bus,
1514 &m,
1515 "org.freedesktop.systemd1",
1516 "/org/freedesktop/systemd1",
1517 "org.freedesktop.systemd1.Manager",
1518 "ListUnitFiles");
1519 if (r < 0)
1520 return bus_log_create_error(r);
1521
1522 r = sd_bus_call(bus, m, 0, &error, &reply);
1523 }
1524 if (r < 0)
1525 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1526
1527 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1528 if (r < 0)
1529 return bus_log_parse_error(r);
1530
1531 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1532
1533 if (!GREEDY_REALLOC(units, size, c + 1))
1534 return log_oom();
1535
1536 units[c] = (struct UnitFileList) {
1537 path,
1538 unit_file_state_from_string(state)
1539 };
1540
1541 if (output_show_unit_file(&units[c],
1542 fallback ? arg_states : NULL,
1543 fallback ? strv_skip(argv, 1) : NULL))
1544 c++;
1545
1546 }
1547 if (r < 0)
1548 return bus_log_parse_error(r);
1549
1550 r = sd_bus_message_exit_container(reply);
1551 if (r < 0)
1552 return bus_log_parse_error(r);
1553 }
1554
1555 (void) pager_open(arg_pager_flags);
1556
1557 typesafe_qsort(units, c, compare_unit_file_list);
1558 output_unit_file_list(units, c);
1559
1560 if (install_client_side())
1561 for (unit = units; unit < units + c; unit++)
1562 free(unit->path);
1563
1564 return 0;
1565 }
1566
1567 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1568 _cleanup_free_ char *n = NULL;
1569 size_t max_len = MAX(columns(),20u);
1570 size_t len = 0;
1571 int i;
1572
1573 if (!arg_plain) {
1574
1575 for (i = level - 1; i >= 0; i--) {
1576 len += 2;
1577 if (len > max_len - 3 && !arg_full) {
1578 printf("%s...\n",max_len % 2 ? "" : " ");
1579 return 0;
1580 }
1581 printf("%s", special_glyph(branches & (1 << i) ? TREE_VERTICAL : TREE_SPACE));
1582 }
1583 len += 2;
1584
1585 if (len > max_len - 3 && !arg_full) {
1586 printf("%s...\n",max_len % 2 ? "" : " ");
1587 return 0;
1588 }
1589
1590 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
1591 }
1592
1593 if (arg_full) {
1594 printf("%s\n", name);
1595 return 0;
1596 }
1597
1598 n = ellipsize(name, max_len-len, 100);
1599 if (!n)
1600 return log_oom();
1601
1602 printf("%s\n", n);
1603 return 0;
1604 }
1605
1606 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1607 struct DependencyStatusInfo {
1608 char **dep[5];
1609 } info = {};
1610
1611 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1612 [DEPENDENCY_FORWARD] = {
1613 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1614 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1615 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1616 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1617 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1618 {}
1619 },
1620 [DEPENDENCY_REVERSE] = {
1621 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1622 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1623 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1624 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1625 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1626 {}
1627 },
1628 [DEPENDENCY_AFTER] = {
1629 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1630 {}
1631 },
1632 [DEPENDENCY_BEFORE] = {
1633 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1634 {}
1635 },
1636 };
1637
1638 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1639 _cleanup_strv_free_ char **ret = NULL;
1640 _cleanup_free_ char *path = NULL;
1641 int i, r;
1642
1643 assert(bus);
1644 assert(name);
1645 assert(deps);
1646
1647 path = unit_dbus_path_from_name(name);
1648 if (!path)
1649 return log_oom();
1650
1651 r = bus_map_all_properties(bus,
1652 "org.freedesktop.systemd1",
1653 path,
1654 map[arg_dependency],
1655 BUS_MAP_STRDUP,
1656 &error,
1657 NULL,
1658 &info);
1659 if (r < 0)
1660 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1661
1662 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1663 *deps = info.dep[0];
1664 return 0;
1665 }
1666
1667 for (i = 0; i < 5; i++) {
1668 r = strv_extend_strv(&ret, info.dep[i], true);
1669 if (r < 0)
1670 return log_oom();
1671 info.dep[i] = strv_free(info.dep[i]);
1672 }
1673
1674 *deps = TAKE_PTR(ret);
1675
1676 return 0;
1677 }
1678
1679 static int list_dependencies_compare(char * const *a, char * const *b) {
1680 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1681 return 1;
1682 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1683 return -1;
1684
1685 return strcasecmp(*a, *b);
1686 }
1687
1688 static int list_dependencies_one(
1689 sd_bus *bus,
1690 const char *name,
1691 int level,
1692 char ***units,
1693 unsigned branches) {
1694
1695 _cleanup_strv_free_ char **deps = NULL;
1696 char **c;
1697 int r = 0;
1698
1699 assert(bus);
1700 assert(name);
1701 assert(units);
1702
1703 r = strv_extend(units, name);
1704 if (r < 0)
1705 return log_oom();
1706
1707 r = list_dependencies_get_dependencies(bus, name, &deps);
1708 if (r < 0)
1709 return r;
1710
1711 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1712
1713 STRV_FOREACH(c, deps) {
1714 if (strv_contains(*units, *c)) {
1715 if (!arg_plain) {
1716 printf(" ");
1717 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1718 if (r < 0)
1719 return r;
1720 }
1721 continue;
1722 }
1723
1724 if (arg_plain)
1725 printf(" ");
1726 else {
1727 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1728 const char *on;
1729
1730 (void) get_state_one_unit(bus, *c, &active_state);
1731
1732 switch (active_state) {
1733 case UNIT_ACTIVE:
1734 case UNIT_RELOADING:
1735 case UNIT_ACTIVATING:
1736 on = ansi_highlight_green();
1737 break;
1738
1739 case UNIT_INACTIVE:
1740 case UNIT_DEACTIVATING:
1741 on = ansi_normal();
1742 break;
1743
1744 default:
1745 on = ansi_highlight_red();
1746 break;
1747 }
1748
1749 printf("%s%s%s ", on, special_glyph(BLACK_CIRCLE), ansi_normal());
1750 }
1751
1752 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1753 if (r < 0)
1754 return r;
1755
1756 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1757 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1758 if (r < 0)
1759 return r;
1760 }
1761 }
1762
1763 if (!arg_plain)
1764 strv_remove(*units, name);
1765
1766 return 0;
1767 }
1768
1769 static int list_dependencies(int argc, char *argv[], void *userdata) {
1770 _cleanup_strv_free_ char **units = NULL;
1771 _cleanup_free_ char *unit = NULL;
1772 const char *u;
1773 sd_bus *bus;
1774 int r;
1775
1776 if (argv[1]) {
1777 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1778 if (r < 0)
1779 return log_error_errno(r, "Failed to mangle unit name: %m");
1780
1781 u = unit;
1782 } else
1783 u = SPECIAL_DEFAULT_TARGET;
1784
1785 r = acquire_bus(BUS_MANAGER, &bus);
1786 if (r < 0)
1787 return r;
1788
1789 (void) pager_open(arg_pager_flags);
1790
1791 puts(u);
1792
1793 return list_dependencies_one(bus, u, 0, &units, 0);
1794 }
1795
1796 struct machine_info {
1797 bool is_host;
1798 char *name;
1799 char *state;
1800 char *control_group;
1801 uint32_t n_failed_units;
1802 uint32_t n_jobs;
1803 usec_t timestamp;
1804 };
1805
1806 static const struct bus_properties_map machine_info_property_map[] = {
1807 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1808 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1809 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1810 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1811 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1812 {}
1813 };
1814
1815 static void machine_info_clear(struct machine_info *info) {
1816 assert(info);
1817
1818 free(info->name);
1819 free(info->state);
1820 free(info->control_group);
1821 zero(*info);
1822 }
1823
1824 static void free_machines_list(struct machine_info *machine_infos, int n) {
1825 int i;
1826
1827 if (!machine_infos)
1828 return;
1829
1830 for (i = 0; i < n; i++)
1831 machine_info_clear(&machine_infos[i]);
1832
1833 free(machine_infos);
1834 }
1835
1836 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1837 int r;
1838
1839 r = CMP(b->is_host, a->is_host);
1840 if (r != 0)
1841 return r;
1842
1843 return strcasecmp(a->name, b->name);
1844 }
1845
1846 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1847 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1848 int r;
1849
1850 assert(mi);
1851
1852 if (!bus) {
1853 r = sd_bus_open_system_machine(&container, mi->name);
1854 if (r < 0)
1855 return r;
1856
1857 bus = container;
1858 }
1859
1860 r = bus_map_all_properties(
1861 bus,
1862 "org.freedesktop.systemd1",
1863 "/org/freedesktop/systemd1",
1864 machine_info_property_map,
1865 BUS_MAP_STRDUP,
1866 NULL,
1867 NULL,
1868 mi);
1869 if (r < 0)
1870 return r;
1871
1872 return 0;
1873 }
1874
1875 static bool output_show_machine(const char *name, char **patterns) {
1876 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1877 }
1878
1879 static int get_machine_list(
1880 sd_bus *bus,
1881 struct machine_info **_machine_infos,
1882 char **patterns) {
1883
1884 struct machine_info *machine_infos = NULL;
1885 _cleanup_strv_free_ char **m = NULL;
1886 _cleanup_free_ char *hn = NULL;
1887 size_t sz = 0;
1888 char **i;
1889 int c = 0, r;
1890
1891 hn = gethostname_malloc();
1892 if (!hn)
1893 return log_oom();
1894
1895 if (output_show_machine(hn, patterns)) {
1896 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1897 return log_oom();
1898
1899 machine_infos[c].is_host = true;
1900 machine_infos[c].name = TAKE_PTR(hn);
1901
1902 (void) get_machine_properties(bus, &machine_infos[c]);
1903 c++;
1904 }
1905
1906 r = sd_get_machine_names(&m);
1907 if (r < 0)
1908 return log_error_errno(r, "Failed to get machine list: %m");
1909
1910 STRV_FOREACH(i, m) {
1911 _cleanup_free_ char *class = NULL;
1912
1913 if (!output_show_machine(*i, patterns))
1914 continue;
1915
1916 sd_machine_get_class(*i, &class);
1917 if (!streq_ptr(class, "container"))
1918 continue;
1919
1920 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1921 free_machines_list(machine_infos, c);
1922 return log_oom();
1923 }
1924
1925 machine_infos[c].is_host = false;
1926 machine_infos[c].name = strdup(*i);
1927 if (!machine_infos[c].name) {
1928 free_machines_list(machine_infos, c);
1929 return log_oom();
1930 }
1931
1932 (void) get_machine_properties(NULL, &machine_infos[c]);
1933 c++;
1934 }
1935
1936 *_machine_infos = machine_infos;
1937 return c;
1938 }
1939
1940 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1941 struct machine_info *m;
1942 unsigned
1943 circle_len = 0,
1944 namelen = STRLEN("NAME"),
1945 statelen = STRLEN("STATE"),
1946 failedlen = STRLEN("FAILED"),
1947 jobslen = STRLEN("JOBS");
1948
1949 assert(machine_infos || n == 0);
1950
1951 for (m = machine_infos; m < machine_infos + n; m++) {
1952 namelen = MAX(namelen,
1953 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
1954 statelen = MAX(statelen, strlen_ptr(m->state));
1955 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1956 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1957
1958 if (!arg_plain && !streq_ptr(m->state, "running"))
1959 circle_len = 2;
1960 }
1961
1962 if (!arg_no_legend) {
1963 if (circle_len > 0)
1964 fputs(" ", stdout);
1965
1966 printf("%-*s %-*s %-*s %-*s\n",
1967 namelen, "NAME",
1968 statelen, "STATE",
1969 failedlen, "FAILED",
1970 jobslen, "JOBS");
1971 }
1972
1973 for (m = machine_infos; m < machine_infos + n; m++) {
1974 const char *on_state = "", *off_state = "";
1975 const char *on_failed = "", *off_failed = "";
1976 bool circle = false;
1977
1978 if (streq_ptr(m->state, "degraded")) {
1979 on_state = ansi_highlight_red();
1980 off_state = ansi_normal();
1981 circle = true;
1982 } else if (!streq_ptr(m->state, "running")) {
1983 on_state = ansi_highlight_yellow();
1984 off_state = ansi_normal();
1985 circle = true;
1986 }
1987
1988 if (m->n_failed_units > 0) {
1989 on_failed = ansi_highlight_red();
1990 off_failed = ansi_normal();
1991 } else
1992 on_failed = off_failed = "";
1993
1994 if (circle_len > 0)
1995 printf("%s%s%s ", on_state, circle ? special_glyph(BLACK_CIRCLE) : " ", off_state);
1996
1997 if (m->is_host)
1998 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
1999 (int) (namelen - (STRLEN(" (host)"))),
2000 strna(m->name),
2001 on_state, statelen, strna(m->state), off_state,
2002 on_failed, failedlen, m->n_failed_units, off_failed,
2003 jobslen, m->n_jobs);
2004 else
2005 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2006 namelen, strna(m->name),
2007 on_state, statelen, strna(m->state), off_state,
2008 on_failed, failedlen, m->n_failed_units, off_failed,
2009 jobslen, m->n_jobs);
2010 }
2011
2012 if (!arg_no_legend)
2013 printf("\n%u machines listed.\n", n);
2014 }
2015
2016 static int list_machines(int argc, char *argv[], void *userdata) {
2017 struct machine_info *machine_infos = NULL;
2018 sd_bus *bus;
2019 int r;
2020
2021 r = acquire_bus(BUS_MANAGER, &bus);
2022 if (r < 0)
2023 return r;
2024
2025 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2026 if (r < 0)
2027 return r;
2028
2029 (void) pager_open(arg_pager_flags);
2030
2031 typesafe_qsort(machine_infos, r, compare_machine_info);
2032 output_machines_list(machine_infos, r);
2033 free_machines_list(machine_infos, r);
2034
2035 return 0;
2036 }
2037
2038 static int get_default(int argc, char *argv[], void *userdata) {
2039 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2040 _cleanup_free_ char *_path = NULL;
2041 const char *path;
2042 int r;
2043
2044 if (install_client_side()) {
2045 r = unit_file_get_default(arg_scope, arg_root, &_path);
2046 if (r < 0)
2047 return log_error_errno(r, "Failed to get default target: %m");
2048 path = _path;
2049
2050 r = 0;
2051 } else {
2052 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2053 sd_bus *bus;
2054
2055 r = acquire_bus(BUS_MANAGER, &bus);
2056 if (r < 0)
2057 return r;
2058
2059 r = sd_bus_call_method(
2060 bus,
2061 "org.freedesktop.systemd1",
2062 "/org/freedesktop/systemd1",
2063 "org.freedesktop.systemd1.Manager",
2064 "GetDefaultTarget",
2065 &error,
2066 &reply,
2067 NULL);
2068 if (r < 0)
2069 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2070
2071 r = sd_bus_message_read(reply, "s", &path);
2072 if (r < 0)
2073 return bus_log_parse_error(r);
2074 }
2075
2076 if (path)
2077 printf("%s\n", path);
2078
2079 return 0;
2080 }
2081
2082 static int set_default(int argc, char *argv[], void *userdata) {
2083 _cleanup_free_ char *unit = NULL;
2084 UnitFileChange *changes = NULL;
2085 size_t n_changes = 0;
2086 int r;
2087
2088 assert(argc >= 2);
2089 assert(argv);
2090
2091 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2092 if (r < 0)
2093 return log_error_errno(r, "Failed to mangle unit name: %m");
2094
2095 if (install_client_side()) {
2096 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2097 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2098
2099 if (r > 0)
2100 r = 0;
2101 } else {
2102 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2103 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2104 sd_bus *bus;
2105
2106 polkit_agent_open_maybe();
2107
2108 r = acquire_bus(BUS_MANAGER, &bus);
2109 if (r < 0)
2110 return r;
2111
2112 r = sd_bus_call_method(
2113 bus,
2114 "org.freedesktop.systemd1",
2115 "/org/freedesktop/systemd1",
2116 "org.freedesktop.systemd1.Manager",
2117 "SetDefaultTarget",
2118 &error,
2119 &reply,
2120 "sb", unit, 1);
2121 if (r < 0)
2122 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2123
2124 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2125 if (r < 0)
2126 goto finish;
2127
2128 /* Try to reload if enabled */
2129 if (!arg_no_reload)
2130 r = daemon_reload(argc, argv, userdata);
2131 else
2132 r = 0;
2133 }
2134
2135 finish:
2136 unit_file_changes_free(changes, n_changes);
2137
2138 return r;
2139 }
2140
2141 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2142 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2143 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2144 const char *name, *type;
2145 uint32_t other_id;
2146 int r;
2147
2148 assert(bus);
2149
2150 r = sd_bus_call_method(
2151 bus,
2152 "org.freedesktop.systemd1",
2153 "/org/freedesktop/systemd1",
2154 "org.freedesktop.systemd1.Manager",
2155 method,
2156 &error,
2157 &reply,
2158 "u", id);
2159 if (r < 0)
2160 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2161
2162 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2163 if (r < 0)
2164 return bus_log_parse_error(r);
2165
2166 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2167 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2168 if (r < 0)
2169 return bus_log_parse_error(r);
2170
2171 r = sd_bus_message_exit_container(reply);
2172 if (r < 0)
2173 return bus_log_parse_error(r);
2174
2175 return 0;
2176 }
2177
2178 struct job_info {
2179 uint32_t id;
2180 const char *name, *type, *state;
2181 };
2182
2183 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2184 unsigned id_len, unit_len, type_len, state_len;
2185 const struct job_info *j;
2186 const char *on, *off;
2187 bool shorten = false;
2188
2189 assert(n == 0 || jobs);
2190
2191 if (n == 0) {
2192 if (!arg_no_legend) {
2193 on = ansi_highlight_green();
2194 off = ansi_normal();
2195
2196 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2197 }
2198 return;
2199 }
2200
2201 (void) pager_open(arg_pager_flags);
2202
2203 id_len = STRLEN("JOB");
2204 unit_len = STRLEN("UNIT");
2205 type_len = STRLEN("TYPE");
2206 state_len = STRLEN("STATE");
2207
2208 for (j = jobs; j < jobs + n; j++) {
2209 uint32_t id = j->id;
2210 assert(j->name && j->type && j->state);
2211
2212 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2213 unit_len = MAX(unit_len, strlen(j->name));
2214 type_len = MAX(type_len, strlen(j->type));
2215 state_len = MAX(state_len, strlen(j->state));
2216 }
2217
2218 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2219 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2220 shorten = true;
2221 }
2222
2223 if (!arg_no_legend)
2224 printf("%*s %-*s %-*s %-*s\n",
2225 id_len, "JOB",
2226 unit_len, "UNIT",
2227 type_len, "TYPE",
2228 state_len, "STATE");
2229
2230 for (j = jobs; j < jobs + n; j++) {
2231 _cleanup_free_ char *e = NULL;
2232
2233 if (streq(j->state, "running")) {
2234 on = ansi_highlight();
2235 off = ansi_normal();
2236 } else
2237 on = off = "";
2238
2239 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2240 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2241 id_len, j->id,
2242 on, unit_len, e ? e : j->name, off,
2243 type_len, j->type,
2244 on, state_len, j->state, off);
2245
2246 if (arg_jobs_after)
2247 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2248 if (arg_jobs_before)
2249 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2250 }
2251
2252 if (!arg_no_legend) {
2253 on = ansi_highlight();
2254 off = ansi_normal();
2255
2256 printf("\n%s%u jobs listed%s.\n", on, n, off);
2257 }
2258 }
2259
2260 static bool output_show_job(struct job_info *job, char **patterns) {
2261 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2262 }
2263
2264 static int list_jobs(int argc, char *argv[], void *userdata) {
2265 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2266 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2267 _cleanup_free_ struct job_info *jobs = NULL;
2268 const char *name, *type, *state;
2269 bool skipped = false;
2270 size_t size = 0;
2271 unsigned c = 0;
2272 sd_bus *bus;
2273 uint32_t id;
2274 int r;
2275
2276 r = acquire_bus(BUS_MANAGER, &bus);
2277 if (r < 0)
2278 return r;
2279
2280 r = sd_bus_call_method(
2281 bus,
2282 "org.freedesktop.systemd1",
2283 "/org/freedesktop/systemd1",
2284 "org.freedesktop.systemd1.Manager",
2285 "ListJobs",
2286 &error,
2287 &reply,
2288 NULL);
2289 if (r < 0)
2290 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2291
2292 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2293 if (r < 0)
2294 return bus_log_parse_error(r);
2295
2296 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2297 struct job_info job = { id, name, type, state };
2298
2299 if (!output_show_job(&job, strv_skip(argv, 1))) {
2300 skipped = true;
2301 continue;
2302 }
2303
2304 if (!GREEDY_REALLOC(jobs, size, c + 1))
2305 return log_oom();
2306
2307 jobs[c++] = job;
2308 }
2309 if (r < 0)
2310 return bus_log_parse_error(r);
2311
2312 r = sd_bus_message_exit_container(reply);
2313 if (r < 0)
2314 return bus_log_parse_error(r);
2315
2316 (void) pager_open(arg_pager_flags);
2317
2318 output_jobs_list(bus, jobs, c, skipped);
2319 return 0;
2320 }
2321
2322 static int cancel_job(int argc, char *argv[], void *userdata) {
2323 sd_bus *bus;
2324 char **name;
2325 int r = 0;
2326
2327 if (argc <= 1)
2328 return trivial_method(argc, argv, userdata);
2329
2330 r = acquire_bus(BUS_MANAGER, &bus);
2331 if (r < 0)
2332 return r;
2333
2334 polkit_agent_open_maybe();
2335
2336 STRV_FOREACH(name, strv_skip(argv, 1)) {
2337 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2338 uint32_t id;
2339 int q;
2340
2341 q = safe_atou32(*name, &id);
2342 if (q < 0)
2343 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2344
2345 q = sd_bus_call_method(
2346 bus,
2347 "org.freedesktop.systemd1",
2348 "/org/freedesktop/systemd1",
2349 "org.freedesktop.systemd1.Manager",
2350 "CancelJob",
2351 &error,
2352 NULL,
2353 "u", id);
2354 if (q < 0) {
2355 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2356 if (r == 0)
2357 r = q;
2358 }
2359 }
2360
2361 return r;
2362 }
2363
2364 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2365 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2366 const char *path;
2367 int b, r;
2368
2369 /* We ignore all errors here, since this is used to show a
2370 * warning only */
2371
2372 /* We don't use unit_dbus_path_from_name() directly since we
2373 * don't want to load the unit if it isn't loaded. */
2374
2375 r = sd_bus_call_method(
2376 bus,
2377 "org.freedesktop.systemd1",
2378 "/org/freedesktop/systemd1",
2379 "org.freedesktop.systemd1.Manager",
2380 "GetUnit",
2381 NULL,
2382 &reply,
2383 "s", unit);
2384 if (r < 0)
2385 return r;
2386
2387 r = sd_bus_message_read(reply, "o", &path);
2388 if (r < 0)
2389 return r;
2390
2391 r = sd_bus_get_property_trivial(
2392 bus,
2393 "org.freedesktop.systemd1",
2394 path,
2395 "org.freedesktop.systemd1.Unit",
2396 "NeedDaemonReload",
2397 NULL,
2398 'b', &b);
2399 if (r < 0)
2400 return r;
2401
2402 return b;
2403 }
2404
2405 static void warn_unit_file_changed(const char *name) {
2406 assert(name);
2407
2408 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.",
2409 ansi_highlight_red(),
2410 ansi_normal(),
2411 name,
2412 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2413 }
2414
2415 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2416 char **p;
2417
2418 assert(lp);
2419 assert(unit_name);
2420
2421 STRV_FOREACH(p, lp->search_path) {
2422 _cleanup_free_ char *path = NULL, *lpath = NULL;
2423 int r;
2424
2425 path = path_join(*p, unit_name);
2426 if (!path)
2427 return log_oom();
2428
2429 r = chase_symlinks(path, arg_root, 0, &lpath);
2430 if (r == -ENOENT)
2431 continue;
2432 if (r == -ENOMEM)
2433 return log_oom();
2434 if (r < 0)
2435 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2436
2437 if (ret_unit_path)
2438 *ret_unit_path = TAKE_PTR(lpath);
2439
2440 return 1;
2441 }
2442
2443 if (ret_unit_path)
2444 *ret_unit_path = NULL;
2445
2446 return 0;
2447 }
2448
2449 static int unit_find_template_path(
2450 const char *unit_name,
2451 LookupPaths *lp,
2452 char **ret_fragment_path,
2453 char **ret_template) {
2454
2455 _cleanup_free_ char *t = NULL, *f = NULL;
2456 int r;
2457
2458 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2459
2460 r = unit_file_find_path(lp, unit_name, &f);
2461 if (r < 0)
2462 return r;
2463 if (r > 0) {
2464 if (ret_fragment_path)
2465 *ret_fragment_path = TAKE_PTR(f);
2466 if (ret_template)
2467 *ret_template = NULL;
2468 return r; /* found a real unit */
2469 }
2470
2471 r = unit_name_template(unit_name, &t);
2472 if (r == -EINVAL) {
2473 if (ret_fragment_path)
2474 *ret_fragment_path = NULL;
2475 if (ret_template)
2476 *ret_template = NULL;
2477
2478 return 0; /* not a template, does not exist */
2479 }
2480 if (r < 0)
2481 return log_error_errno(r, "Failed to determine template name: %m");
2482
2483 r = unit_file_find_path(lp, t, ret_fragment_path);
2484 if (r < 0)
2485 return r;
2486
2487 if (ret_template)
2488 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
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 bool force_client_side,
2498 char **ret_fragment_path,
2499 char ***ret_dropin_paths) {
2500
2501 _cleanup_strv_free_ char **dropins = NULL;
2502 _cleanup_free_ char *path = NULL;
2503 int r;
2504
2505 /**
2506 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is found, and
2507 * sets:
2508 * - the path to the unit in *ret_frament_path, if it exists on disk,
2509 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins were found.
2510 *
2511 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for some
2512 * reason (the latter only applies if we are going through the service manager)
2513 */
2514
2515 assert(unit_name);
2516 assert(ret_fragment_path);
2517 assert(lp);
2518
2519 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2520 if (!force_client_side &&
2521 !install_client_side() &&
2522 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2523 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2524 _cleanup_free_ char *load_state = NULL, *unit = NULL;
2525
2526 unit = unit_dbus_path_from_name(unit_name);
2527 if (!unit)
2528 return log_oom();
2529
2530 r = sd_bus_get_property_string(
2531 bus,
2532 "org.freedesktop.systemd1",
2533 unit,
2534 "org.freedesktop.systemd1.Unit",
2535 "LoadState",
2536 &error,
2537 &load_state);
2538 if (r < 0)
2539 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2540
2541 if (streq(load_state, "masked"))
2542 return -ERFKILL;
2543 if (streq(load_state, "not-found")) {
2544 r = 0;
2545 goto not_found;
2546 }
2547 if (!streq(load_state, "loaded"))
2548 return -EKEYREJECTED;
2549
2550 r = sd_bus_get_property_string(
2551 bus,
2552 "org.freedesktop.systemd1",
2553 unit,
2554 "org.freedesktop.systemd1.Unit",
2555 "FragmentPath",
2556 &error,
2557 &path);
2558 if (r < 0)
2559 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2560
2561 if (ret_dropin_paths) {
2562 r = sd_bus_get_property_strv(
2563 bus,
2564 "org.freedesktop.systemd1",
2565 unit,
2566 "org.freedesktop.systemd1.Unit",
2567 "DropInPaths",
2568 &error,
2569 &dropins);
2570 if (r < 0)
2571 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2572 }
2573 } else {
2574 _cleanup_set_free_ Set *names = NULL;
2575 _cleanup_free_ char *template = NULL;
2576
2577 names = set_new(NULL);
2578 if (!names)
2579 return log_oom();
2580
2581 r = unit_find_template_path(unit_name, lp, &path, &template);
2582 if (r < 0)
2583 return r;
2584 if (r > 0) {
2585 if (null_or_empty_path(path))
2586 /* The template is masked. Let's cut the process short. */
2587 return -ERFKILL;
2588
2589 /* We found the unit file. If we followed symlinks, this name might be
2590 * different then the unit_name with started with. Look for dropins matching
2591 * that "final" name. */
2592 r = set_put(names, basename(path));
2593 } else if (!template)
2594 /* No unit file, let's look for dropins matching the original name.
2595 * systemd has fairly complicated rules (based on unit type and provenience),
2596 * which units are allowed not to have the main unit file. We err on the
2597 * side of including too many files, and always try to load dropins. */
2598 r = set_put(names, unit_name);
2599 else
2600 /* The cases where we allow a unit to exist without the main file are
2601 * never valid for templates. Don't try to load dropins in this case. */
2602 goto not_found;
2603
2604 if (r < 0)
2605 return log_error_errno(r, "Failed to add unit name: %m");
2606
2607 if (ret_dropin_paths) {
2608 r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, NULL, names, &dropins);
2609 if (r < 0)
2610 return r;
2611 }
2612 }
2613
2614 r = 0;
2615
2616 if (!isempty(path)) {
2617 *ret_fragment_path = TAKE_PTR(path);
2618 r = 1;
2619 } else
2620 *ret_fragment_path = NULL;
2621
2622 if (ret_dropin_paths) {
2623 if (!strv_isempty(dropins)) {
2624 *ret_dropin_paths = TAKE_PTR(dropins);
2625 r = 1;
2626 } else
2627 *ret_dropin_paths = NULL;
2628 }
2629
2630 not_found:
2631 if (r == 0 && !arg_force)
2632 log_error("No files found for %s.", unit_name);
2633
2634 return r;
2635 }
2636
2637 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2638 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2639 _cleanup_free_ char *buf = NULL, *path = NULL;
2640 UnitActiveState state;
2641 int r;
2642
2643 assert(name);
2644 assert(active_state);
2645
2646 path = unit_dbus_path_from_name(name);
2647 if (!path)
2648 return log_oom();
2649
2650 r = sd_bus_get_property_string(
2651 bus,
2652 "org.freedesktop.systemd1",
2653 path,
2654 "org.freedesktop.systemd1.Unit",
2655 "ActiveState",
2656 &error,
2657 &buf);
2658 if (r < 0)
2659 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2660
2661 state = unit_active_state_from_string(buf);
2662 if (state == _UNIT_ACTIVE_STATE_INVALID) {
2663 log_error("Invalid unit state '%s' for: %s", buf, name);
2664 return -EINVAL;
2665 }
2666
2667 *active_state = state;
2668 return 0;
2669 }
2670
2671 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2672 _cleanup_free_ char *load_state = NULL;
2673 int r;
2674
2675 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2676 _cleanup_free_ char *path = NULL;
2677
2678 /* A template cannot be loaded, but it can be still masked, so
2679 * we need to use a different method. */
2680
2681 r = unit_file_find_path(lp, name, &path);
2682 if (r < 0)
2683 return r;
2684 if (r == 0)
2685 return false;
2686 return null_or_empty_path(path);
2687 }
2688
2689 r = unit_load_state(bus, name, &load_state);
2690 if (r < 0)
2691 return r;
2692
2693 return streq(load_state, "masked");
2694 }
2695
2696 static int check_triggering_units(sd_bus *bus, const char *name) {
2697 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2698 _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL;
2699 _cleanup_strv_free_ char **triggered_by = NULL;
2700 bool print_warning_label = true;
2701 UnitActiveState active_state;
2702 char **i;
2703 int r;
2704
2705 r = unit_name_mangle(name, 0, &n);
2706 if (r < 0)
2707 return log_error_errno(r, "Failed to mangle unit name: %m");
2708
2709 r = unit_load_state(bus, name, &load_state);
2710 if (r < 0)
2711 return r;
2712
2713 if (streq(load_state, "masked"))
2714 return 0;
2715
2716 path = unit_dbus_path_from_name(n);
2717 if (!path)
2718 return log_oom();
2719
2720 r = sd_bus_get_property_strv(
2721 bus,
2722 "org.freedesktop.systemd1",
2723 path,
2724 "org.freedesktop.systemd1.Unit",
2725 "TriggeredBy",
2726 &error,
2727 &triggered_by);
2728 if (r < 0)
2729 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2730
2731 STRV_FOREACH(i, triggered_by) {
2732 r = get_state_one_unit(bus, *i, &active_state);
2733 if (r < 0)
2734 return r;
2735
2736 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2737 continue;
2738
2739 if (print_warning_label) {
2740 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2741 print_warning_label = false;
2742 }
2743
2744 log_warning(" %s", *i);
2745 }
2746
2747 return 0;
2748 }
2749
2750 static const struct {
2751 const char *verb;
2752 const char *method;
2753 } unit_actions[] = {
2754 { "start", "StartUnit" },
2755 { "stop", "StopUnit" },
2756 { "condstop", "StopUnit" },
2757 { "reload", "ReloadUnit" },
2758 { "restart", "RestartUnit" },
2759 { "try-restart", "TryRestartUnit" },
2760 { "condrestart", "TryRestartUnit" },
2761 { "reload-or-restart", "ReloadOrRestartUnit" },
2762 { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
2763 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2764 { "condreload", "ReloadOrTryRestartUnit" },
2765 { "force-reload", "ReloadOrTryRestartUnit" }
2766 };
2767
2768 static const char *verb_to_method(const char *verb) {
2769 uint i;
2770
2771 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2772 if (streq_ptr(unit_actions[i].verb, verb))
2773 return unit_actions[i].method;
2774
2775 return "StartUnit";
2776 }
2777
2778 static const char *method_to_verb(const char *method) {
2779 uint i;
2780
2781 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2782 if (streq_ptr(unit_actions[i].method, method))
2783 return unit_actions[i].verb;
2784
2785 return "n/a";
2786 }
2787
2788 typedef struct {
2789 sd_bus_slot *match;
2790 sd_event *event;
2791 Set *unit_paths;
2792 bool any_failed;
2793 } WaitContext;
2794
2795 static void wait_context_free(WaitContext *c) {
2796 c->match = sd_bus_slot_unref(c->match);
2797 c->event = sd_event_unref(c->event);
2798 c->unit_paths = set_free_free(c->unit_paths);
2799 }
2800
2801 static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
2802 WaitContext *c = userdata;
2803 const char *path;
2804 int r;
2805
2806 path = sd_bus_message_get_path(m);
2807 if (!set_contains(c->unit_paths, path))
2808 return 0;
2809
2810 /* Check if ActiveState changed to inactive/failed */
2811 /* (s interface, a{sv} changed_properties, as invalidated_properties) */
2812 r = sd_bus_message_skip(m, "s");
2813 if (r < 0)
2814 return bus_log_parse_error(r);
2815
2816 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
2817 if (r < 0)
2818 return bus_log_parse_error(r);
2819
2820 while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
2821 const char *s;
2822
2823 r = sd_bus_message_read(m, "s", &s);
2824 if (r < 0)
2825 return bus_log_parse_error(r);
2826
2827 if (streq(s, "ActiveState")) {
2828 bool is_failed;
2829
2830 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, "s");
2831 if (r < 0)
2832 return bus_log_parse_error(r);
2833
2834 r = sd_bus_message_read(m, "s", &s);
2835 if (r < 0)
2836 return bus_log_parse_error(r);
2837
2838 is_failed = streq(s, "failed");
2839 if (streq(s, "inactive") || is_failed) {
2840 log_debug("%s became %s, dropping from --wait tracking", path, s);
2841 free(set_remove(c->unit_paths, path));
2842 c->any_failed = c->any_failed || is_failed;
2843 } else
2844 log_debug("ActiveState on %s changed to %s", path, s);
2845
2846 break; /* no need to dissect the rest of the message */
2847 } else {
2848 /* other property */
2849 r = sd_bus_message_skip(m, "v");
2850 if (r < 0)
2851 return bus_log_parse_error(r);
2852 }
2853 r = sd_bus_message_exit_container(m);
2854 if (r < 0)
2855 return bus_log_parse_error(r);
2856 }
2857 if (r < 0)
2858 return bus_log_parse_error(r);
2859
2860 if (set_isempty(c->unit_paths))
2861 sd_event_exit(c->event, EXIT_SUCCESS);
2862
2863 return 0;
2864 }
2865
2866 static int start_unit_one(
2867 sd_bus *bus,
2868 const char *method,
2869 const char *name,
2870 const char *mode,
2871 sd_bus_error *error,
2872 BusWaitForJobs *w,
2873 WaitContext *wait_context) {
2874
2875 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2876 const char *path;
2877 int r;
2878
2879 assert(method);
2880 assert(name);
2881 assert(mode);
2882 assert(error);
2883
2884 if (wait_context) {
2885 _cleanup_free_ char *unit_path = NULL;
2886
2887 log_debug("Watching for property changes of %s", name);
2888 r = sd_bus_call_method(
2889 bus,
2890 "org.freedesktop.systemd1",
2891 "/org/freedesktop/systemd1",
2892 "org.freedesktop.systemd1.Manager",
2893 "RefUnit",
2894 error,
2895 NULL,
2896 "s", name);
2897 if (r < 0)
2898 return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r));
2899
2900 unit_path = unit_dbus_path_from_name(name);
2901 if (!unit_path)
2902 return log_oom();
2903
2904 r = set_put_strdup(wait_context->unit_paths, unit_path);
2905 if (r < 0)
2906 return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path);
2907
2908 r = sd_bus_match_signal_async(bus,
2909 &wait_context->match,
2910 NULL,
2911 unit_path,
2912 "org.freedesktop.DBus.Properties",
2913 "PropertiesChanged",
2914 on_properties_changed, NULL, wait_context);
2915 if (r < 0)
2916 return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m");
2917 }
2918
2919 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2920 arg_dry_run ? "Would execute" : "Executing",
2921 method, name, mode);
2922 if (arg_dry_run)
2923 return 0;
2924
2925 r = sd_bus_call_method(
2926 bus,
2927 "org.freedesktop.systemd1",
2928 "/org/freedesktop/systemd1",
2929 "org.freedesktop.systemd1.Manager",
2930 method,
2931 error,
2932 &reply,
2933 "ss", name, mode);
2934 if (r < 0) {
2935 const char *verb;
2936
2937 /* There's always a fallback possible for legacy actions. */
2938 if (arg_action != ACTION_SYSTEMCTL)
2939 return r;
2940
2941 verb = method_to_verb(method);
2942
2943 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2944
2945 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2946 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2947 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2948 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2949 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2950 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2951 name[0] == '-' ? " --" : "",
2952 name);
2953
2954 return r;
2955 }
2956
2957 r = sd_bus_message_read(reply, "o", &path);
2958 if (r < 0)
2959 return bus_log_parse_error(r);
2960
2961 if (need_daemon_reload(bus, name) > 0)
2962 warn_unit_file_changed(name);
2963
2964 if (w) {
2965 log_debug("Adding %s to the set", path);
2966 r = bus_wait_for_jobs_add(w, path);
2967 if (r < 0)
2968 return log_oom();
2969 }
2970
2971 return 0;
2972 }
2973
2974 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2975 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2976 char **name;
2977 int r, i;
2978
2979 assert(bus);
2980 assert(ret);
2981
2982 STRV_FOREACH(name, names) {
2983 char *t;
2984 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
2985
2986 if (suffix)
2987 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
2988 else
2989 r = unit_name_mangle(*name, options, &t);
2990 if (r < 0)
2991 return log_error_errno(r, "Failed to mangle name: %m");
2992
2993 if (string_is_glob(t))
2994 r = strv_consume(&globs, t);
2995 else
2996 r = strv_consume(&mangled, t);
2997 if (r < 0)
2998 return log_oom();
2999 }
3000
3001 /* Query the manager only if any of the names are a glob, since
3002 * this is fairly expensive */
3003 if (!strv_isempty(globs)) {
3004 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3005 _cleanup_free_ UnitInfo *unit_infos = NULL;
3006 size_t allocated, n;
3007
3008 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
3009 if (r < 0)
3010 return r;
3011
3012 n = strv_length(mangled);
3013 allocated = n + 1;
3014
3015 for (i = 0; i < r; i++) {
3016 if (!GREEDY_REALLOC(mangled, allocated, n+2))
3017 return log_oom();
3018
3019 mangled[n] = strdup(unit_infos[i].id);
3020 if (!mangled[n])
3021 return log_oom();
3022
3023 mangled[++n] = NULL;
3024 }
3025 }
3026
3027 *ret = TAKE_PTR(mangled);
3028
3029 return 0;
3030 }
3031
3032 static const struct {
3033 const char *target;
3034 const char *verb;
3035 const char *mode;
3036 } action_table[_ACTION_MAX] = {
3037 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3038 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3039 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3040 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3041 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3042 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3043 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3044 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3045 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3046 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3047 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3048 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3049 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3050 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3051 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3052 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3053 };
3054
3055 static enum action verb_to_action(const char *verb) {
3056 enum action i;
3057
3058 for (i = 0; i < _ACTION_MAX; i++)
3059 if (streq_ptr(action_table[i].verb, verb))
3060 return i;
3061
3062 return _ACTION_INVALID;
3063 }
3064
3065 static int start_unit(int argc, char *argv[], void *userdata) {
3066 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3067 _cleanup_(wait_context_free) WaitContext wait_context = {};
3068 const char *method, *mode, *one_name, *suffix = NULL;
3069 _cleanup_strv_free_ char **names = NULL;
3070 int r, ret = EXIT_SUCCESS;
3071 sd_bus *bus;
3072 char **name;
3073
3074 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) {
3075 log_error("--wait may only be used with the 'start' or 'restart' commands.");
3076 return -EINVAL;
3077 }
3078
3079 /* we cannot do sender tracking on the private bus, so we need the full
3080 * one for RefUnit to implement --wait */
3081 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3082 if (r < 0)
3083 return r;
3084
3085 ask_password_agent_open_if_enabled();
3086 polkit_agent_open_maybe();
3087
3088 if (arg_action == ACTION_SYSTEMCTL) {
3089 enum action action;
3090
3091 action = verb_to_action(argv[0]);
3092
3093 if (action != _ACTION_INVALID) {
3094 method = "StartUnit";
3095 mode = action_table[action].mode;
3096 one_name = action_table[action].target;
3097 } else {
3098 if (streq(argv[0], "isolate")) {
3099 method = "StartUnit";
3100 mode = "isolate";
3101
3102 suffix = ".target";
3103 } else {
3104 method = verb_to_method(argv[0]);
3105 mode = arg_job_mode;
3106 }
3107 one_name = NULL;
3108 }
3109 } else {
3110 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3111 assert(action_table[arg_action].target);
3112 assert(action_table[arg_action].mode);
3113
3114 method = "StartUnit";
3115 mode = action_table[arg_action].mode;
3116 one_name = action_table[arg_action].target;
3117 }
3118
3119 if (one_name) {
3120 names = strv_new(one_name);
3121 if (!names)
3122 return log_oom();
3123 } else {
3124 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3125 if (r < 0)
3126 return log_error_errno(r, "Failed to expand names: %m");
3127 }
3128
3129 if (!arg_no_block) {
3130 r = bus_wait_for_jobs_new(bus, &w);
3131 if (r < 0)
3132 return log_error_errno(r, "Could not watch jobs: %m");
3133 }
3134
3135 if (arg_wait) {
3136 wait_context.unit_paths = set_new(&string_hash_ops);
3137 if (!wait_context.unit_paths)
3138 return log_oom();
3139
3140 r = sd_bus_call_method_async(
3141 bus,
3142 NULL,
3143 "org.freedesktop.systemd1",
3144 "/org/freedesktop/systemd1",
3145 "org.freedesktop.systemd1.Manager",
3146 "Subscribe",
3147 NULL, NULL,
3148 NULL);
3149 if (r < 0)
3150 return log_error_errno(r, "Failed to enable subscription: %m");
3151 r = sd_event_default(&wait_context.event);
3152 if (r < 0)
3153 return log_error_errno(r, "Failed to allocate event loop: %m");
3154 r = sd_bus_attach_event(bus, wait_context.event, 0);
3155 if (r < 0)
3156 return log_error_errno(r, "Failed to attach bus to event loop: %m");
3157 }
3158
3159 STRV_FOREACH(name, names) {
3160 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3161
3162 r = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL);
3163 if (ret == EXIT_SUCCESS && r < 0)
3164 ret = translate_bus_error_to_exit_status(r, &error);
3165 }
3166
3167 if (!arg_no_block) {
3168 const char* extra_args[4] = {};
3169 int arg_count = 0;
3170
3171 if (arg_scope != UNIT_FILE_SYSTEM)
3172 extra_args[arg_count++] = "--user";
3173
3174 assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE));
3175 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3176 extra_args[arg_count++] = "-H";
3177 extra_args[arg_count++] = arg_host;
3178 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3179 extra_args[arg_count++] = "-M";
3180 extra_args[arg_count++] = arg_host;
3181 }
3182
3183 r = bus_wait_for_jobs(w, arg_quiet, extra_args);
3184 if (r < 0)
3185 return r;
3186
3187 /* When stopping units, warn if they can still be triggered by
3188 * another active unit (socket, path, timer) */
3189 if (!arg_quiet && streq(method, "StopUnit"))
3190 STRV_FOREACH(name, names)
3191 (void) check_triggering_units(bus, *name);
3192 }
3193
3194 if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) {
3195 r = sd_event_loop(wait_context.event);
3196 if (r < 0)
3197 return log_error_errno(r, "Failed to run event loop: %m");
3198 if (wait_context.any_failed)
3199 ret = EXIT_FAILURE;
3200 }
3201
3202 return ret;
3203 }
3204
3205 #if ENABLE_LOGIND
3206 static int logind_set_wall_message(void) {
3207 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3208 sd_bus *bus;
3209 _cleanup_free_ char *m = NULL;
3210 int r;
3211
3212 r = acquire_bus(BUS_FULL, &bus);
3213 if (r < 0)
3214 return r;
3215
3216 m = strv_join(arg_wall, " ");
3217 if (!m)
3218 return log_oom();
3219
3220 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3221 if (arg_dry_run)
3222 return 0;
3223
3224 r = sd_bus_call_method(
3225 bus,
3226 "org.freedesktop.login1",
3227 "/org/freedesktop/login1",
3228 "org.freedesktop.login1.Manager",
3229 "SetWallMessage",
3230 &error,
3231 NULL,
3232 "sb",
3233 m,
3234 !arg_no_wall);
3235
3236 if (r < 0)
3237 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3238 return 0;
3239 }
3240 #endif
3241
3242 /* Ask systemd-logind, which might grant access to unprivileged users
3243 * through polkit */
3244 static int logind_reboot(enum action a) {
3245 #if ENABLE_LOGIND
3246 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3247 const char *method, *description;
3248 sd_bus *bus;
3249 int r;
3250
3251 r = acquire_bus(BUS_FULL, &bus);
3252 if (r < 0)
3253 return r;
3254
3255 switch (a) {
3256
3257 case ACTION_POWEROFF:
3258 method = "PowerOff";
3259 description = "power off system";
3260 break;
3261
3262 case ACTION_REBOOT:
3263 method = "Reboot";
3264 description = "reboot system";
3265 break;
3266
3267 case ACTION_HALT:
3268 method = "Halt";
3269 description = "halt system";
3270 break;
3271
3272 case ACTION_SUSPEND:
3273 method = "Suspend";
3274 description = "suspend system";
3275 break;
3276
3277 case ACTION_HIBERNATE:
3278 method = "Hibernate";
3279 description = "hibernate system";
3280 break;
3281
3282 case ACTION_HYBRID_SLEEP:
3283 method = "HybridSleep";
3284 description = "put system into hybrid sleep";
3285 break;
3286
3287 case ACTION_SUSPEND_THEN_HIBERNATE:
3288 method = "SuspendThenHibernate";
3289 description = "put system into suspend followed by hibernate";
3290 break;
3291
3292 default:
3293 return -EINVAL;
3294 }
3295
3296 polkit_agent_open_maybe();
3297 (void) logind_set_wall_message();
3298
3299 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", method);
3300 if (arg_dry_run)
3301 return 0;
3302
3303 r = sd_bus_call_method(
3304 bus,
3305 "org.freedesktop.login1",
3306 "/org/freedesktop/login1",
3307 "org.freedesktop.login1.Manager",
3308 method,
3309 &error,
3310 NULL,
3311 "b", arg_ask_password);
3312 if (r < 0)
3313 return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
3314
3315 return 0;
3316 #else
3317 return -ENOSYS;
3318 #endif
3319 }
3320
3321 static int logind_check_inhibitors(enum action a) {
3322 #if ENABLE_LOGIND
3323 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3324 _cleanup_strv_free_ char **sessions = NULL;
3325 const char *what, *who, *why, *mode;
3326 uint32_t uid, pid;
3327 sd_bus *bus;
3328 unsigned c = 0;
3329 char **s;
3330 int r;
3331
3332 if (arg_ignore_inhibitors || arg_force > 0)
3333 return 0;
3334
3335 if (arg_when > 0)
3336 return 0;
3337
3338 if (geteuid() == 0)
3339 return 0;
3340
3341 if (!on_tty())
3342 return 0;
3343
3344 if (arg_transport != BUS_TRANSPORT_LOCAL)
3345 return 0;
3346
3347 r = acquire_bus(BUS_FULL, &bus);
3348 if (r < 0)
3349 return r;
3350
3351 r = sd_bus_call_method(
3352 bus,
3353 "org.freedesktop.login1",
3354 "/org/freedesktop/login1",
3355 "org.freedesktop.login1.Manager",
3356 "ListInhibitors",
3357 NULL,
3358 &reply,
3359 NULL);
3360 if (r < 0)
3361 /* If logind is not around, then there are no inhibitors... */
3362 return 0;
3363
3364 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3365 if (r < 0)
3366 return bus_log_parse_error(r);
3367
3368 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3369 _cleanup_free_ char *comm = NULL, *user = NULL;
3370 _cleanup_strv_free_ char **sv = NULL;
3371
3372 if (!streq(mode, "block"))
3373 continue;
3374
3375 sv = strv_split(what, ":");
3376 if (!sv)
3377 return log_oom();
3378
3379 if (!pid_is_valid((pid_t) pid)) {
3380 log_error("Invalid PID "PID_FMT".", (pid_t) pid);
3381 return -ERANGE;
3382 }
3383
3384 if (!strv_contains(sv,
3385 IN_SET(a,
3386 ACTION_HALT,
3387 ACTION_POWEROFF,
3388 ACTION_REBOOT,
3389 ACTION_KEXEC) ? "shutdown" : "sleep"))
3390 continue;
3391
3392 get_process_comm(pid, &comm);
3393 user = uid_to_name(uid);
3394
3395 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3396 who, (pid_t) pid, strna(comm), strna(user), why);
3397
3398 c++;
3399 }
3400 if (r < 0)
3401 return bus_log_parse_error(r);
3402
3403 r = sd_bus_message_exit_container(reply);
3404 if (r < 0)
3405 return bus_log_parse_error(r);
3406
3407 /* Check for current sessions */
3408 sd_get_sessions(&sessions);
3409 STRV_FOREACH(s, sessions) {
3410 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3411
3412 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3413 continue;
3414
3415 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3416 continue;
3417
3418 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3419 continue;
3420
3421 sd_session_get_tty(*s, &tty);
3422 sd_session_get_seat(*s, &seat);
3423 sd_session_get_service(*s, &service);
3424 user = uid_to_name(uid);
3425
3426 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3427 c++;
3428 }
3429
3430 if (c <= 0)
3431 return 0;
3432
3433 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3434 action_table[a].verb);
3435
3436 return -EPERM;
3437 #else
3438 return 0;
3439 #endif
3440 }
3441
3442 static int logind_prepare_firmware_setup(void) {
3443 #if ENABLE_LOGIND
3444 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3445 sd_bus *bus;
3446 int r;
3447
3448 r = acquire_bus(BUS_FULL, &bus);
3449 if (r < 0)
3450 return r;
3451
3452 r = sd_bus_call_method(
3453 bus,
3454 "org.freedesktop.login1",
3455 "/org/freedesktop/login1",
3456 "org.freedesktop.login1.Manager",
3457 "SetRebootToFirmwareSetup",
3458 &error,
3459 NULL,
3460 "b", true);
3461 if (r < 0)
3462 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3463
3464 return 0;
3465 #else
3466 log_error("Cannot remotely indicate to EFI to boot into setup mode.");
3467 return -ENOSYS;
3468 #endif
3469 }
3470
3471 static int prepare_firmware_setup(void) {
3472 int r;
3473
3474 if (!arg_firmware_setup)
3475 return 0;
3476
3477 if (arg_transport == BUS_TRANSPORT_LOCAL) {
3478
3479 r = efi_set_reboot_to_firmware(true);
3480 if (r < 0)
3481 log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
3482 else
3483 return r;
3484 }
3485
3486 return logind_prepare_firmware_setup();
3487 }
3488
3489 static int load_kexec_kernel(void) {
3490 _cleanup_(boot_config_free) BootConfig config = {};
3491 _cleanup_free_ char *where = NULL, *kernel = NULL, *initrd = NULL, *options = NULL;
3492 const BootEntry *e;
3493 pid_t pid;
3494 int r;
3495
3496 if (kexec_loaded()) {
3497 log_debug("Kexec kernel already loaded.");
3498 return 0;
3499 }
3500
3501 if (access(KEXEC, X_OK) < 0)
3502 return log_error_errno(errno, KEXEC" is not available: %m");
3503
3504 r = find_default_boot_entry(arg_esp_path, &where, &config, &e);
3505 if (r == -ENOKEY) /* find_default_boot_entry() doesn't warn about this case */
3506 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3507 if (r < 0)
3508 /* But it logs about all these cases, hence don't log here again */
3509 return r;
3510
3511 if (strv_length(e->initrd) > 1) {
3512 log_error("Boot entry specifies multiple initrds, which is not supported currently.");
3513 return -EINVAL;
3514 }
3515
3516 kernel = path_join(where, e->kernel);
3517 if (!strv_isempty(e->initrd))
3518 initrd = path_join(where, *e->initrd);
3519 options = strv_join(e->options, " ");
3520 if (!options)
3521 return log_oom();
3522
3523 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3524 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3525 arg_dry_run ? "Would run" : "Running",
3526 kernel,
3527 options,
3528 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3529 if (arg_dry_run)
3530 return 0;
3531
3532 r = safe_fork("(kexec)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
3533 if (r < 0)
3534 return r;
3535 if (r == 0) {
3536 const char* const args[] = {
3537 KEXEC,
3538 "--load", kernel,
3539 "--append", options,
3540 initrd ? "--initrd" : NULL, initrd,
3541 NULL };
3542
3543 /* Child */
3544 execv(args[0], (char * const *) args);
3545 _exit(EXIT_FAILURE);
3546 }
3547
3548 r = wait_for_terminate_and_check("kexec", pid, WAIT_LOG);
3549 if (r < 0)
3550 return r;
3551 if (r > 0)
3552 /* Command failed */
3553 return -EPROTO;
3554 return 0;
3555 }
3556
3557 static int set_exit_code(uint8_t code) {
3558 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3559 sd_bus *bus;
3560 int r;
3561
3562 r = acquire_bus(BUS_MANAGER, &bus);
3563 if (r < 0)
3564 return r;
3565
3566 r = sd_bus_call_method(
3567 bus,
3568 "org.freedesktop.systemd1",
3569 "/org/freedesktop/systemd1",
3570 "org.freedesktop.systemd1.Manager",
3571 "SetExitCode",
3572 &error,
3573 NULL,
3574 "y", code);
3575 if (r < 0)
3576 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3577
3578 return 0;
3579 }
3580
3581 static int start_special(int argc, char *argv[], void *userdata) {
3582 enum action a;
3583 int r;
3584 bool termination_action; /* an action that terminates the manager,
3585 * can be performed also by signal. */
3586
3587 assert(argv);
3588
3589 a = verb_to_action(argv[0]);
3590
3591 r = logind_check_inhibitors(a);
3592 if (r < 0)
3593 return r;
3594
3595 if (arg_force >= 2) {
3596 r = must_be_root();
3597 if (r < 0)
3598 return r;
3599 }
3600
3601 r = prepare_firmware_setup();
3602 if (r < 0)
3603 return r;
3604
3605 if (a == ACTION_REBOOT && argc > 1) {
3606 r = update_reboot_parameter_and_warn(argv[1]);
3607 if (r < 0)
3608 return r;
3609
3610 } else if (a == ACTION_KEXEC) {
3611 r = load_kexec_kernel();
3612 if (r < 0 && arg_force >= 1)
3613 log_notice("Failed to load kexec kernel, continuing without.");
3614 else if (r < 0)
3615 return r;
3616
3617 } else if (a == ACTION_EXIT && argc > 1) {
3618 uint8_t code;
3619
3620 /* If the exit code is not given on the command line,
3621 * don't reset it to zero: just keep it as it might
3622 * have been set previously. */
3623
3624 r = safe_atou8(argv[1], &code);
3625 if (r < 0)
3626 return log_error_errno(r, "Invalid exit code.");
3627
3628 r = set_exit_code(code);
3629 if (r < 0)
3630 return r;
3631 }
3632
3633 termination_action = IN_SET(a,
3634 ACTION_HALT,
3635 ACTION_POWEROFF,
3636 ACTION_REBOOT);
3637 if (termination_action && arg_force >= 2)
3638 return halt_now(a);
3639
3640 if (arg_force >= 1 &&
3641 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3642 r = trivial_method(argc, argv, userdata);
3643 else {
3644 /* First try logind, to allow authentication with polkit */
3645 if (IN_SET(a,
3646 ACTION_POWEROFF,
3647 ACTION_REBOOT,
3648 ACTION_HALT,
3649 ACTION_SUSPEND,
3650 ACTION_HIBERNATE,
3651 ACTION_HYBRID_SLEEP,
3652 ACTION_SUSPEND_THEN_HIBERNATE)) {
3653
3654 r = logind_reboot(a);
3655 if (r >= 0)
3656 return r;
3657 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3658 /* requested operation is not supported or already in progress */
3659 return r;
3660
3661 /* On all other errors, try low-level operation. In order to minimize the difference between
3662 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3663 * logind's shutdown operations are always non-blocking. */
3664
3665 arg_no_block = true;
3666
3667 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3668 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3669 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3670 arg_no_block = true;
3671
3672 r = start_unit(argc, argv, userdata);
3673 }
3674
3675 if (termination_action && arg_force < 2 &&
3676 IN_SET(r, -ENOENT, -ETIMEDOUT))
3677 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3678
3679 return r;
3680 }
3681
3682 static int start_system_special(int argc, char *argv[], void *userdata) {
3683 /* Like start_special above, but raises an error when running in user mode */
3684
3685 if (arg_scope != UNIT_FILE_SYSTEM)
3686 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3687 "Bad action for %s mode.",
3688 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3689
3690 return start_special(argc, argv, userdata);
3691 }
3692
3693 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3694 _cleanup_strv_free_ char **names = NULL;
3695 UnitActiveState active_state;
3696 sd_bus *bus;
3697 char **name;
3698 int r, i;
3699 bool found = false;
3700
3701 r = acquire_bus(BUS_MANAGER, &bus);
3702 if (r < 0)
3703 return r;
3704
3705 r = expand_names(bus, args, NULL, &names);
3706 if (r < 0)
3707 return log_error_errno(r, "Failed to expand names: %m");
3708
3709 STRV_FOREACH(name, names) {
3710 r = get_state_one_unit(bus, *name, &active_state);
3711 if (r < 0)
3712 return r;
3713
3714 if (!arg_quiet)
3715 puts(unit_active_state_to_string(active_state));
3716
3717 for (i = 0; i < nb_states; ++i)
3718 if (good_states[i] == active_state)
3719 found = true;
3720 }
3721
3722 /* use the given return code for the case that we won't find
3723 * any unit which matches the list */
3724 return found ? 0 : code;
3725 }
3726
3727 static int check_unit_active(int argc, char *argv[], void *userdata) {
3728 static const UnitActiveState states[] = {
3729 UNIT_ACTIVE,
3730 UNIT_RELOADING,
3731 };
3732
3733 /* According to LSB: 3, "program is not running" */
3734 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3735 }
3736
3737 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3738 static const UnitActiveState states[] = {
3739 UNIT_FAILED,
3740 };
3741
3742 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3743 }
3744
3745 static int kill_unit(int argc, char *argv[], void *userdata) {
3746 _cleanup_strv_free_ char **names = NULL;
3747 char *kill_who = NULL, **name;
3748 sd_bus *bus;
3749 int r, q;
3750
3751 r = acquire_bus(BUS_MANAGER, &bus);
3752 if (r < 0)
3753 return r;
3754
3755 polkit_agent_open_maybe();
3756
3757 if (!arg_kill_who)
3758 arg_kill_who = "all";
3759
3760 /* --fail was specified */
3761 if (streq(arg_job_mode, "fail"))
3762 kill_who = strjoina(arg_kill_who, "-fail");
3763
3764 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3765 if (r < 0)
3766 return log_error_errno(r, "Failed to expand names: %m");
3767
3768 STRV_FOREACH(name, names) {
3769 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3770
3771 q = sd_bus_call_method(
3772 bus,
3773 "org.freedesktop.systemd1",
3774 "/org/freedesktop/systemd1",
3775 "org.freedesktop.systemd1.Manager",
3776 "KillUnit",
3777 &error,
3778 NULL,
3779 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3780 if (q < 0) {
3781 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3782 if (r == 0)
3783 r = q;
3784 }
3785 }
3786
3787 return r;
3788 }
3789
3790 typedef struct ExecStatusInfo {
3791 char *name;
3792
3793 char *path;
3794 char **argv;
3795
3796 bool ignore;
3797
3798 usec_t start_timestamp;
3799 usec_t exit_timestamp;
3800 pid_t pid;
3801 int code;
3802 int status;
3803
3804 LIST_FIELDS(struct ExecStatusInfo, exec);
3805 } ExecStatusInfo;
3806
3807 static void exec_status_info_free(ExecStatusInfo *i) {
3808 assert(i);
3809
3810 free(i->name);
3811 free(i->path);
3812 strv_free(i->argv);
3813 free(i);
3814 }
3815
3816 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3817 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3818 const char *path;
3819 uint32_t pid;
3820 int32_t code, status;
3821 int ignore, r;
3822
3823 assert(m);
3824 assert(i);
3825
3826 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3827 if (r < 0)
3828 return bus_log_parse_error(r);
3829 else if (r == 0)
3830 return 0;
3831
3832 r = sd_bus_message_read(m, "s", &path);
3833 if (r < 0)
3834 return bus_log_parse_error(r);
3835
3836 i->path = strdup(path);
3837 if (!i->path)
3838 return log_oom();
3839
3840 r = sd_bus_message_read_strv(m, &i->argv);
3841 if (r < 0)
3842 return bus_log_parse_error(r);
3843
3844 r = sd_bus_message_read(m,
3845 "bttttuii",
3846 &ignore,
3847 &start_timestamp, &start_timestamp_monotonic,
3848 &exit_timestamp, &exit_timestamp_monotonic,
3849 &pid,
3850 &code, &status);
3851 if (r < 0)
3852 return bus_log_parse_error(r);
3853
3854 i->ignore = ignore;
3855 i->start_timestamp = (usec_t) start_timestamp;
3856 i->exit_timestamp = (usec_t) exit_timestamp;
3857 i->pid = (pid_t) pid;
3858 i->code = code;
3859 i->status = status;
3860
3861 r = sd_bus_message_exit_container(m);
3862 if (r < 0)
3863 return bus_log_parse_error(r);
3864
3865 return 1;
3866 }
3867
3868 typedef struct UnitCondition {
3869 char *name;
3870 char *param;
3871 bool trigger;
3872 bool negate;
3873 int tristate;
3874
3875 LIST_FIELDS(struct UnitCondition, conditions);
3876 } UnitCondition;
3877
3878 static void unit_condition_free(UnitCondition *c) {
3879 if (!c)
3880 return;
3881
3882 free(c->name);
3883 free(c->param);
3884 free(c);
3885 }
3886
3887 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
3888
3889 typedef struct UnitStatusInfo {
3890 const char *id;
3891 const char *load_state;
3892 const char *active_state;
3893 const char *sub_state;
3894 const char *unit_file_state;
3895 const char *unit_file_preset;
3896
3897 const char *description;
3898 const char *following;
3899
3900 char **documentation;
3901
3902 const char *fragment_path;
3903 const char *source_path;
3904 const char *control_group;
3905
3906 char **dropin_paths;
3907
3908 const char *load_error;
3909 const char *result;
3910
3911 usec_t inactive_exit_timestamp;
3912 usec_t inactive_exit_timestamp_monotonic;
3913 usec_t active_enter_timestamp;
3914 usec_t active_exit_timestamp;
3915 usec_t inactive_enter_timestamp;
3916
3917 bool need_daemon_reload;
3918 bool transient;
3919
3920 /* Service */
3921 pid_t main_pid;
3922 pid_t control_pid;
3923 const char *status_text;
3924 const char *pid_file;
3925 bool running:1;
3926 int status_errno;
3927
3928 usec_t start_timestamp;
3929 usec_t exit_timestamp;
3930
3931 int exit_code, exit_status;
3932
3933 usec_t condition_timestamp;
3934 bool condition_result;
3935 LIST_HEAD(UnitCondition, conditions);
3936
3937 usec_t assert_timestamp;
3938 bool assert_result;
3939 bool failed_assert_trigger;
3940 bool failed_assert_negate;
3941 const char *failed_assert;
3942 const char *failed_assert_parameter;
3943 usec_t next_elapse_real;
3944 usec_t next_elapse_monotonic;
3945
3946 /* Socket */
3947 unsigned n_accepted;
3948 unsigned n_connections;
3949 unsigned n_refused;
3950 bool accept;
3951
3952 /* Pairs of type, path */
3953 char **listen;
3954
3955 /* Device */
3956 const char *sysfs_path;
3957
3958 /* Mount, Automount */
3959 const char *where;
3960
3961 /* Swap */
3962 const char *what;
3963
3964 /* CGroup */
3965 uint64_t memory_current;
3966 uint64_t memory_min;
3967 uint64_t memory_low;
3968 uint64_t memory_high;
3969 uint64_t memory_max;
3970 uint64_t memory_swap_max;
3971 uint64_t memory_limit;
3972 uint64_t cpu_usage_nsec;
3973 uint64_t tasks_current;
3974 uint64_t tasks_max;
3975
3976 uint64_t ip_ingress_bytes;
3977 uint64_t ip_egress_bytes;
3978
3979 LIST_HEAD(ExecStatusInfo, exec);
3980 } UnitStatusInfo;
3981
3982 static void unit_status_info_free(UnitStatusInfo *info) {
3983 ExecStatusInfo *p;
3984 UnitCondition *c;
3985
3986 strv_free(info->documentation);
3987 strv_free(info->dropin_paths);
3988 strv_free(info->listen);
3989
3990 while ((c = info->conditions)) {
3991 LIST_REMOVE(conditions, info->conditions, c);
3992 unit_condition_free(c);
3993 }
3994
3995 while ((p = info->exec)) {
3996 LIST_REMOVE(exec, info->exec, p);
3997 exec_status_info_free(p);
3998 }
3999 }
4000
4001 static void print_status_info(
4002 sd_bus *bus,
4003 UnitStatusInfo *i,
4004 bool *ellipsized) {
4005
4006 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4007 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4008 _cleanup_free_ char *formatted_path = NULL;
4009 ExecStatusInfo *p;
4010 usec_t timestamp;
4011 const char *path;
4012 char **t, **t2;
4013 int r;
4014
4015 assert(i);
4016
4017 /* This shows pretty information about a unit. See
4018 * print_property() for a low-level property printer */
4019
4020 if (streq_ptr(i->active_state, "failed")) {
4021 active_on = ansi_highlight_red();
4022 active_off = ansi_normal();
4023 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4024 active_on = ansi_highlight_green();
4025 active_off = ansi_normal();
4026 } else
4027 active_on = active_off = "";
4028
4029 printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id));
4030
4031 if (i->description && !streq_ptr(i->id, i->description))
4032 printf(" - %s", i->description);
4033
4034 printf("\n");
4035
4036 if (i->following)
4037 printf(" Follow: unit currently follows state of %s\n", i->following);
4038
4039 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4040 on = ansi_highlight_red();
4041 off = ansi_normal();
4042 } else
4043 on = off = "";
4044
4045 path = i->source_path ?: i->fragment_path;
4046 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4047 path = formatted_path;
4048
4049 if (!isempty(i->load_error))
4050 printf(" Loaded: %s%s%s (Reason: %s)\n",
4051 on, strna(i->load_state), off, i->load_error);
4052 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4053 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4054 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4055 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4056 else if (path && !isempty(i->unit_file_state))
4057 printf(" Loaded: %s%s%s (%s; %s)\n",
4058 on, strna(i->load_state), off, path, i->unit_file_state);
4059 else if (path)
4060 printf(" Loaded: %s%s%s (%s)\n",
4061 on, strna(i->load_state), off, path);
4062 else
4063 printf(" Loaded: %s%s%s\n",
4064 on, strna(i->load_state), off);
4065
4066 if (i->transient)
4067 printf("Transient: yes\n");
4068
4069 if (!strv_isempty(i->dropin_paths)) {
4070 _cleanup_free_ char *dir = NULL;
4071 bool last = false;
4072 char ** dropin;
4073
4074 STRV_FOREACH(dropin, i->dropin_paths) {
4075 _cleanup_free_ char *dropin_formatted = NULL;
4076 const char *df;
4077
4078 if (!dir || last) {
4079 printf(dir ? " " :
4080 " Drop-In: ");
4081
4082 dir = mfree(dir);
4083
4084 dir = dirname_malloc(*dropin);
4085 if (!dir) {
4086 log_oom();
4087 return;
4088 }
4089
4090 printf("%s\n"
4091 " %s", dir,
4092 special_glyph(TREE_RIGHT));
4093 }
4094
4095 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4096
4097 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4098 df = dropin_formatted;
4099 else
4100 df = *dropin;
4101
4102 printf("%s%s", df, last ? "\n" : ", ");
4103 }
4104 }
4105
4106 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4107 if (ss)
4108 printf(" Active: %s%s (%s)%s",
4109 active_on, strna(i->active_state), ss, active_off);
4110 else
4111 printf(" Active: %s%s%s",
4112 active_on, strna(i->active_state), active_off);
4113
4114 if (!isempty(i->result) && !streq(i->result, "success"))
4115 printf(" (Result: %s)", i->result);
4116
4117 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4118 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4119 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4120 i->active_exit_timestamp;
4121
4122 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4123 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4124
4125 if (s1)
4126 printf(" since %s; %s\n", s2, s1);
4127 else if (s2)
4128 printf(" since %s\n", s2);
4129 else
4130 printf("\n");
4131
4132 if (endswith(i->id, ".timer")) {
4133 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4134 tstamp2[FORMAT_TIMESTAMP_MAX];
4135 const char *next_rel_time, *next_time;
4136 dual_timestamp nw, next = {i->next_elapse_real,
4137 i->next_elapse_monotonic};
4138 usec_t next_elapse;
4139
4140 printf(" Trigger: ");
4141
4142 dual_timestamp_get(&nw);
4143 next_elapse = calc_next_elapse(&nw, &next);
4144 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4145 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4146
4147 if (next_time && next_rel_time)
4148 printf("%s; %s\n", next_time, next_rel_time);
4149 else
4150 printf("n/a\n");
4151 }
4152
4153 if (!i->condition_result && i->condition_timestamp > 0) {
4154 UnitCondition *c;
4155 int n = 0;
4156
4157 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4158 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4159
4160 printf("Condition: start %scondition failed%s at %s%s%s\n",
4161 ansi_highlight_yellow(), ansi_normal(),
4162 s2, s1 ? "; " : "", strempty(s1));
4163
4164 LIST_FOREACH(conditions, c, i->conditions)
4165 if (c->tristate < 0)
4166 n++;
4167
4168 LIST_FOREACH(conditions, c, i->conditions)
4169 if (c->tristate < 0)
4170 printf(" %s %s=%s%s%s was not met\n",
4171 --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT),
4172 c->name,
4173 c->trigger ? "|" : "",
4174 c->negate ? "!" : "",
4175 c->param);
4176 }
4177
4178 if (!i->assert_result && i->assert_timestamp > 0) {
4179 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4180 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4181
4182 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4183 ansi_highlight_red(), ansi_normal(),
4184 s2, s1 ? "; " : "", strempty(s1));
4185 if (i->failed_assert_trigger)
4186 printf(" none of the trigger assertions were met\n");
4187 else if (i->failed_assert)
4188 printf(" %s=%s%s was not met\n",
4189 i->failed_assert,
4190 i->failed_assert_negate ? "!" : "",
4191 i->failed_assert_parameter);
4192 }
4193
4194 if (i->sysfs_path)
4195 printf(" Device: %s\n", i->sysfs_path);
4196 if (i->where)
4197 printf(" Where: %s\n", i->where);
4198 if (i->what)
4199 printf(" What: %s\n", i->what);
4200
4201 STRV_FOREACH(t, i->documentation) {
4202 _cleanup_free_ char *formatted = NULL;
4203 const char *q;
4204
4205 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4206 q = formatted;
4207 else
4208 q = *t;
4209
4210 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4211 }
4212
4213 STRV_FOREACH_PAIR(t, t2, i->listen)
4214 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4215
4216 if (i->accept) {
4217 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4218 if (i->n_refused)
4219 printf(" Refused: %u", i->n_refused);
4220 printf("\n");
4221 }
4222
4223 LIST_FOREACH(exec, p, i->exec) {
4224 _cleanup_free_ char *argv = NULL;
4225 bool good;
4226
4227 /* Only show exited processes here */
4228 if (p->code == 0)
4229 continue;
4230
4231 argv = strv_join(p->argv, " ");
4232 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4233
4234 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4235 if (!good) {
4236 on = ansi_highlight_red();
4237 off = ansi_normal();
4238 } else
4239 on = off = "";
4240
4241 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4242
4243 if (p->code == CLD_EXITED) {
4244 const char *c;
4245
4246 printf("status=%i", p->status);
4247
4248 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
4249 if (c)
4250 printf("/%s", c);
4251
4252 } else
4253 printf("signal=%s", signal_to_string(p->status));
4254
4255 printf(")%s\n", off);
4256
4257 if (i->main_pid == p->pid &&
4258 i->start_timestamp == p->start_timestamp &&
4259 i->exit_timestamp == p->start_timestamp)
4260 /* Let's not show this twice */
4261 i->main_pid = 0;
4262
4263 if (p->pid == i->control_pid)
4264 i->control_pid = 0;
4265 }
4266
4267 if (i->main_pid > 0 || i->control_pid > 0) {
4268 if (i->main_pid > 0) {
4269 printf(" Main PID: "PID_FMT, i->main_pid);
4270
4271 if (i->running) {
4272
4273 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4274 _cleanup_free_ char *comm = NULL;
4275
4276 (void) get_process_comm(i->main_pid, &comm);
4277 if (comm)
4278 printf(" (%s)", comm);
4279 }
4280
4281 } else if (i->exit_code > 0) {
4282 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4283
4284 if (i->exit_code == CLD_EXITED) {
4285 const char *c;
4286
4287 printf("status=%i", i->exit_status);
4288
4289 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
4290 if (c)
4291 printf("/%s", c);
4292
4293 } else
4294 printf("signal=%s", signal_to_string(i->exit_status));
4295 printf(")");
4296 }
4297 }
4298
4299 if (i->control_pid > 0) {
4300 _cleanup_free_ char *c = NULL;
4301
4302 if (i->main_pid > 0)
4303 fputs("; Control PID: ", stdout);
4304 else
4305 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4306
4307 printf(PID_FMT, i->control_pid);
4308
4309 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4310 (void) get_process_comm(i->control_pid, &c);
4311 if (c)
4312 printf(" (%s)", c);
4313 }
4314 }
4315
4316 printf("\n");
4317 }
4318
4319 if (i->status_text)
4320 printf(" Status: \"%s\"\n", i->status_text);
4321 if (i->status_errno > 0)
4322 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
4323
4324 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4325 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4326
4327 printf(" IP: %s in, %s out\n",
4328 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4329 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4330 }
4331
4332 if (i->tasks_current != (uint64_t) -1) {
4333 printf(" Tasks: %" PRIu64, i->tasks_current);
4334
4335 if (i->tasks_max != (uint64_t) -1)
4336 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4337 else
4338 printf("\n");
4339 }
4340
4341 if (i->memory_current != (uint64_t) -1) {
4342 char buf[FORMAT_BYTES_MAX];
4343
4344 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4345
4346 if (i->memory_min > 0 || i->memory_low > 0 ||
4347 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4348 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4349 i->memory_limit != CGROUP_LIMIT_MAX) {
4350 const char *prefix = "";
4351
4352 printf(" (");
4353 if (i->memory_min > 0) {
4354 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4355 prefix = " ";
4356 }
4357 if (i->memory_low > 0) {
4358 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4359 prefix = " ";
4360 }
4361 if (i->memory_high != CGROUP_LIMIT_MAX) {
4362 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4363 prefix = " ";
4364 }
4365 if (i->memory_max != CGROUP_LIMIT_MAX) {
4366 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4367 prefix = " ";
4368 }
4369 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4370 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4371 prefix = " ";
4372 }
4373 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4374 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4375 prefix = " ";
4376 }
4377 printf(")");
4378 }
4379 printf("\n");
4380 }
4381
4382 if (i->cpu_usage_nsec != (uint64_t) -1) {
4383 char buf[FORMAT_TIMESPAN_MAX];
4384 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4385 }
4386
4387 if (i->control_group) {
4388 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4389 static const char prefix[] = " ";
4390 unsigned c;
4391
4392 printf(" CGroup: %s\n", i->control_group);
4393
4394 c = columns();
4395 if (c > sizeof(prefix) - 1)
4396 c -= sizeof(prefix) - 1;
4397 else
4398 c = 0;
4399
4400 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4401 if (r == -EBADR) {
4402 unsigned k = 0;
4403 pid_t extra[2];
4404
4405 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4406
4407 if (i->main_pid > 0)
4408 extra[k++] = i->main_pid;
4409
4410 if (i->control_pid > 0)
4411 extra[k++] = i->control_pid;
4412
4413 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4414 } else if (r < 0)
4415 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r));
4416 }
4417
4418 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4419 show_journal_by_unit(
4420 stdout,
4421 i->id,
4422 arg_output,
4423 0,
4424 i->inactive_exit_timestamp_monotonic,
4425 arg_lines,
4426 getuid(),
4427 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4428 SD_JOURNAL_LOCAL_ONLY,
4429 arg_scope == UNIT_FILE_SYSTEM,
4430 ellipsized);
4431
4432 if (i->need_daemon_reload)
4433 warn_unit_file_changed(i->id);
4434 }
4435
4436 static void show_unit_help(UnitStatusInfo *i) {
4437 char **p;
4438
4439 assert(i);
4440
4441 if (!i->documentation) {
4442 log_info("Documentation for %s not known.", i->id);
4443 return;
4444 }
4445
4446 STRV_FOREACH(p, i->documentation)
4447 if (startswith(*p, "man:"))
4448 show_man_page(*p + 4, false);
4449 else
4450 log_info("Can't show: %s", *p);
4451 }
4452
4453 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4454 UnitStatusInfo *i = userdata;
4455 uint32_t u;
4456 int r;
4457
4458 r = sd_bus_message_read(m, "u", &u);
4459 if (r < 0)
4460 return r;
4461
4462 i->main_pid = (pid_t) u;
4463 i->running = u > 0;
4464
4465 return 0;
4466 }
4467
4468 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4469 const char *message, **p = userdata;
4470 int r;
4471
4472 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4473 if (r < 0)
4474 return r;
4475
4476 if (!isempty(message))
4477 *p = message;
4478
4479 return 0;
4480 }
4481
4482 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4483 const char *type, *path;
4484 char ***p = userdata;
4485 int r;
4486
4487 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4488 if (r < 0)
4489 return r;
4490
4491 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4492
4493 r = strv_extend(p, type);
4494 if (r < 0)
4495 return r;
4496
4497 r = strv_extend(p, path);
4498 if (r < 0)
4499 return r;
4500 }
4501 if (r < 0)
4502 return r;
4503
4504 r = sd_bus_message_exit_container(m);
4505 if (r < 0)
4506 return r;
4507
4508 return 0;
4509 }
4510
4511 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4512 UnitStatusInfo *i = userdata;
4513 const char *cond, *param;
4514 int trigger, negate;
4515 int32_t state;
4516 int r;
4517
4518 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4519 if (r < 0)
4520 return r;
4521
4522 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4523 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4524
4525 c = new0(UnitCondition, 1);
4526 if (!c)
4527 return -ENOMEM;
4528
4529 c->name = strdup(cond);
4530 c->param = strdup(param);
4531 if (!c->name || !c->param)
4532 return -ENOMEM;
4533
4534 c->trigger = trigger;
4535 c->negate = negate;
4536 c->tristate = state;
4537
4538 LIST_PREPEND(conditions, i->conditions, c);
4539 c = NULL;
4540 }
4541 if (r < 0)
4542 return r;
4543
4544 r = sd_bus_message_exit_container(m);
4545 if (r < 0)
4546 return r;
4547
4548 return 0;
4549 }
4550
4551 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4552 UnitStatusInfo *i = userdata;
4553 const char *cond, *param;
4554 int trigger, negate;
4555 int32_t state;
4556 int r;
4557
4558 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4559 if (r < 0)
4560 return r;
4561
4562 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4563 if (state < 0 && (!trigger || !i->failed_assert)) {
4564 i->failed_assert = cond;
4565 i->failed_assert_trigger = trigger;
4566 i->failed_assert_negate = negate;
4567 i->failed_assert_parameter = param;
4568 }
4569 }
4570 if (r < 0)
4571 return r;
4572
4573 r = sd_bus_message_exit_container(m);
4574 if (r < 0)
4575 return r;
4576
4577 return 0;
4578 }
4579
4580 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4581 _cleanup_free_ ExecStatusInfo *info = NULL;
4582 ExecStatusInfo *last;
4583 UnitStatusInfo *i = userdata;
4584 int r;
4585
4586 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4587 if (r < 0)
4588 return r;
4589
4590 info = new0(ExecStatusInfo, 1);
4591 if (!info)
4592 return -ENOMEM;
4593
4594 LIST_FIND_TAIL(exec, i->exec, last);
4595
4596 while ((r = exec_status_info_deserialize(m, info)) > 0) {
4597
4598 info->name = strdup(member);
4599 if (!info->name)
4600 return -ENOMEM;
4601
4602 LIST_INSERT_AFTER(exec, i->exec, last, info);
4603 last = info;
4604
4605 info = new0(ExecStatusInfo, 1);
4606 if (!info)
4607 return -ENOMEM;
4608 }
4609 if (r < 0)
4610 return r;
4611
4612 r = sd_bus_message_exit_container(m);
4613 if (r < 0)
4614 return r;
4615
4616 return 0;
4617 }
4618
4619 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4620 char bus_type;
4621 const char *contents;
4622 int r;
4623
4624 assert(name);
4625 assert(m);
4626
4627 /* This is a low-level property printer, see
4628 * print_status_info() for the nicer output */
4629
4630 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4631 if (r < 0)
4632 return r;
4633
4634 switch (bus_type) {
4635
4636 case SD_BUS_TYPE_STRUCT:
4637
4638 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4639 uint32_t u;
4640
4641 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4642 if (r < 0)
4643 return bus_log_parse_error(r);
4644
4645 if (u > 0)
4646 bus_print_property_value(name, expected_value, value, "%"PRIu32, u);
4647 else if (all)
4648 bus_print_property_value(name, expected_value, value, "%s", "");
4649
4650 return 1;
4651
4652 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4653 const char *s;
4654
4655 r = sd_bus_message_read(m, "(so)", &s, NULL);
4656 if (r < 0)
4657 return bus_log_parse_error(r);
4658
4659 if (all || !isempty(s))
4660 bus_print_property_value(name, expected_value, value, "%s", s);
4661
4662 return 1;
4663
4664 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4665 const char *a = NULL, *b = NULL;
4666
4667 r = sd_bus_message_read(m, "(ss)", &a, &b);
4668 if (r < 0)
4669 return bus_log_parse_error(r);
4670
4671 if (all || !isempty(a) || !isempty(b))
4672 bus_print_property_value(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4673
4674 return 1;
4675 } else if (streq_ptr(name, "SystemCallFilter")) {
4676 _cleanup_strv_free_ char **l = NULL;
4677 int whitelist;
4678
4679 r = sd_bus_message_enter_container(m, 'r', "bas");
4680 if (r < 0)
4681 return bus_log_parse_error(r);
4682
4683 r = sd_bus_message_read(m, "b", &whitelist);
4684 if (r < 0)
4685 return bus_log_parse_error(r);
4686
4687 r = sd_bus_message_read_strv(m, &l);
4688 if (r < 0)
4689 return bus_log_parse_error(r);
4690
4691 r = sd_bus_message_exit_container(m);
4692 if (r < 0)
4693 return bus_log_parse_error(r);
4694
4695 if (all || whitelist || !strv_isempty(l)) {
4696 bool first = true;
4697 char **i;
4698
4699 if (!value) {
4700 fputs(name, stdout);
4701 fputc('=', stdout);
4702 }
4703
4704 if (!whitelist)
4705 fputc('~', stdout);
4706
4707 STRV_FOREACH(i, l) {
4708 if (first)
4709 first = false;
4710 else
4711 fputc(' ', stdout);
4712
4713 fputs(*i, stdout);
4714 }
4715 fputc('\n', stdout);
4716 }
4717
4718 return 1;
4719 }
4720
4721 break;
4722
4723 case SD_BUS_TYPE_ARRAY:
4724
4725 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4726 const char *path;
4727 int ignore;
4728
4729 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4730 if (r < 0)
4731 return bus_log_parse_error(r);
4732
4733 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4734 bus_print_property_value(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4735
4736 if (r < 0)
4737 return bus_log_parse_error(r);
4738
4739 r = sd_bus_message_exit_container(m);
4740 if (r < 0)
4741 return bus_log_parse_error(r);
4742
4743 return 1;
4744
4745 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4746 const char *type, *path;
4747
4748 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4749 if (r < 0)
4750 return bus_log_parse_error(r);
4751
4752 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4753 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4754 if (r < 0)
4755 return bus_log_parse_error(r);
4756
4757 r = sd_bus_message_exit_container(m);
4758 if (r < 0)
4759 return bus_log_parse_error(r);
4760
4761 return 1;
4762
4763 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4764 const char *type, *path;
4765
4766 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4767 if (r < 0)
4768 return bus_log_parse_error(r);
4769
4770 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4771 bus_print_property_value(name, expected_value, value, "%s (%s)", path, type);
4772 if (r < 0)
4773 return bus_log_parse_error(r);
4774
4775 r = sd_bus_message_exit_container(m);
4776 if (r < 0)
4777 return bus_log_parse_error(r);
4778
4779 return 1;
4780
4781 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
4782 const char *base;
4783 uint64_t v, next_elapse;
4784
4785 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4786 if (r < 0)
4787 return bus_log_parse_error(r);
4788
4789 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
4790 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4791
4792 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base,
4793 format_timespan(timespan1, sizeof(timespan1), v, 0),
4794 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4795 }
4796 if (r < 0)
4797 return bus_log_parse_error(r);
4798
4799 r = sd_bus_message_exit_container(m);
4800 if (r < 0)
4801 return bus_log_parse_error(r);
4802
4803 return 1;
4804
4805 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
4806 const char *base, *spec;
4807 uint64_t next_elapse;
4808
4809 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
4810 if (r < 0)
4811 return bus_log_parse_error(r);
4812
4813 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
4814 char timestamp[FORMAT_TIMESTAMP_MAX];
4815
4816 bus_print_property_value(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec,
4817 format_timestamp(timestamp, sizeof(timestamp), next_elapse));
4818 }
4819 if (r < 0)
4820 return bus_log_parse_error(r);
4821
4822 r = sd_bus_message_exit_container(m);
4823 if (r < 0)
4824 return bus_log_parse_error(r);
4825
4826 return 1;
4827
4828 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4829 ExecStatusInfo info = {};
4830
4831 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4832 if (r < 0)
4833 return bus_log_parse_error(r);
4834
4835 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4836 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4837 _cleanup_free_ char *tt;
4838
4839 tt = strv_join(info.argv, " ");
4840
4841 bus_print_property_value(name, expected_value, value,
4842 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
4843 strna(info.path),
4844 strna(tt),
4845 yes_no(info.ignore),
4846 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4847 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4848 info.pid,
4849 sigchld_code_to_string(info.code),
4850 info.status,
4851 info.code == CLD_EXITED ? "" : "/",
4852 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4853
4854 free(info.path);
4855 strv_free(info.argv);
4856 zero(info);
4857 }
4858
4859 r = sd_bus_message_exit_container(m);
4860 if (r < 0)
4861 return bus_log_parse_error(r);
4862
4863 return 1;
4864
4865 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4866 const char *path, *rwm;
4867
4868 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4869 if (r < 0)
4870 return bus_log_parse_error(r);
4871
4872 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4873 bus_print_property_value(name, expected_value, value, "%s %s", strna(path), strna(rwm));
4874 if (r < 0)
4875 return bus_log_parse_error(r);
4876
4877 r = sd_bus_message_exit_container(m);
4878 if (r < 0)
4879 return bus_log_parse_error(r);
4880
4881 return 1;
4882
4883 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4884 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
4885 const char *path;
4886 uint64_t weight;
4887
4888 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4889 if (r < 0)
4890 return bus_log_parse_error(r);
4891
4892 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4893 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
4894 if (r < 0)
4895 return bus_log_parse_error(r);
4896
4897 r = sd_bus_message_exit_container(m);
4898 if (r < 0)
4899 return bus_log_parse_error(r);
4900
4901 return 1;
4902
4903 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4904 (cgroup_io_limit_type_from_string(name) >= 0 ||
4905 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
4906 const char *path;
4907 uint64_t bandwidth;
4908
4909 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4910 if (r < 0)
4911 return bus_log_parse_error(r);
4912
4913 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
4914 bus_print_property_value(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
4915 if (r < 0)
4916 return bus_log_parse_error(r);
4917
4918 r = sd_bus_message_exit_container(m);
4919 if (r < 0)
4920 return bus_log_parse_error(r);
4921
4922 return 1;
4923
4924 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
4925 streq(name, "IODeviceLatencyTargetUSec")) {
4926 char ts[FORMAT_TIMESPAN_MAX];
4927 const char *path;
4928 uint64_t target;
4929
4930 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4931 if (r < 0)
4932 return bus_log_parse_error(r);
4933
4934 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
4935 bus_print_property_value(name, expected_value, value, "%s %s", strna(path),
4936 format_timespan(ts, sizeof(ts), target, 1));
4937 if (r < 0)
4938 return bus_log_parse_error(r);
4939
4940 r = sd_bus_message_exit_container(m);
4941 if (r < 0)
4942 return bus_log_parse_error(r);
4943
4944 return 1;
4945
4946 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
4947 _cleanup_free_ char *h = NULL;
4948 const void *p;
4949 size_t sz;
4950 ssize_t n;
4951
4952 r = sd_bus_message_read_array(m, 'y', &p, &sz);
4953 if (r < 0)
4954 return bus_log_parse_error(r);
4955
4956 n = base64mem(p, sz, &h);
4957 if (n < 0)
4958 return log_oom();
4959
4960 bus_print_property_value(name, expected_value, value, "%s", h);
4961
4962 return 1;
4963 }
4964
4965 break;
4966 }
4967
4968 return 0;
4969 }
4970
4971 typedef enum SystemctlShowMode{
4972 SYSTEMCTL_SHOW_PROPERTIES,
4973 SYSTEMCTL_SHOW_STATUS,
4974 SYSTEMCTL_SHOW_HELP,
4975 _SYSTEMCTL_SHOW_MODE_MAX,
4976 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
4977 } SystemctlShowMode;
4978
4979 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
4980 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
4981 [SYSTEMCTL_SHOW_STATUS] = "status",
4982 [SYSTEMCTL_SHOW_HELP] = "help",
4983 };
4984
4985 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
4986
4987 static int show_one(
4988 sd_bus *bus,
4989 const char *path,
4990 const char *unit,
4991 SystemctlShowMode show_mode,
4992 bool *new_line,
4993 bool *ellipsized) {
4994
4995 static const struct bus_properties_map property_map[] = {
4996 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
4997 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
4998 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
4999 {}
5000 }, status_map[] = {
5001 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5002 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5003 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5004 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5005 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5006 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5007 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5008 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5009 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5010 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5011 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5012 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5013 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5014 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5015 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5016 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5017 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5018 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5019 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5020 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5021 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5022 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5023 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5024 { "MainPID", "u", map_main_pid, 0 },
5025 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5026 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5027 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5028 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5029 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5030 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5031 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5032 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5033 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5034 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5035 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5036 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5037 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5038 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5039 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5040 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5041 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5042 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5043 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5044 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5045 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5046 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5047 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5048 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5049 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5050 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5051 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5052 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5053 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5054 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5055 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5056 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5057 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5058 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5059 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5060 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5061 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5062 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5063 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5064 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5065 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5066 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5067 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5068 {}
5069 };
5070
5071 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5072 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5073 _cleanup_set_free_ Set *found_properties = NULL;
5074 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5075 .memory_current = (uint64_t) -1,
5076 .memory_high = CGROUP_LIMIT_MAX,
5077 .memory_max = CGROUP_LIMIT_MAX,
5078 .memory_swap_max = CGROUP_LIMIT_MAX,
5079 .memory_limit = (uint64_t) -1,
5080 .cpu_usage_nsec = (uint64_t) -1,
5081 .tasks_current = (uint64_t) -1,
5082 .tasks_max = (uint64_t) -1,
5083 .ip_ingress_bytes = (uint64_t) -1,
5084 .ip_egress_bytes = (uint64_t) -1,
5085 };
5086 char **pp;
5087 int r;
5088
5089 assert(path);
5090 assert(new_line);
5091
5092 log_debug("Showing one %s", path);
5093
5094 r = bus_map_all_properties(
5095 bus,
5096 "org.freedesktop.systemd1",
5097 path,
5098 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5099 BUS_MAP_BOOLEAN_AS_BOOL,
5100 &error,
5101 &reply,
5102 &info);
5103 if (r < 0)
5104 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5105
5106 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5107 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5108 "Unit %s could not be found.", unit);
5109
5110 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5111 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5112 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5113 return -ENOENT;
5114 }
5115
5116 if (*new_line)
5117 printf("\n");
5118
5119 *new_line = true;
5120
5121 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5122 print_status_info(bus, &info, ellipsized);
5123
5124 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5125 return EXIT_PROGRAM_NOT_RUNNING;
5126
5127 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5128
5129 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5130 show_unit_help(&info);
5131 return 0;
5132 }
5133
5134 r = sd_bus_message_rewind(reply, true);
5135 if (r < 0)
5136 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5137
5138 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5139 if (r < 0)
5140 return bus_log_parse_error(r);
5141
5142 STRV_FOREACH(pp, arg_properties)
5143 if (!set_contains(found_properties, *pp))
5144 log_debug("Property %s does not exist.", *pp);
5145
5146 return 0;
5147 }
5148
5149 static int get_unit_dbus_path_by_pid(
5150 sd_bus *bus,
5151 uint32_t pid,
5152 char **unit) {
5153
5154 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5155 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5156 char *u;
5157 int r;
5158
5159 r = sd_bus_call_method(
5160 bus,
5161 "org.freedesktop.systemd1",
5162 "/org/freedesktop/systemd1",
5163 "org.freedesktop.systemd1.Manager",
5164 "GetUnitByPID",
5165 &error,
5166 &reply,
5167 "u", pid);
5168 if (r < 0)
5169 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5170
5171 r = sd_bus_message_read(reply, "o", &u);
5172 if (r < 0)
5173 return bus_log_parse_error(r);
5174
5175 u = strdup(u);
5176 if (!u)
5177 return log_oom();
5178
5179 *unit = u;
5180 return 0;
5181 }
5182
5183 static int show_all(
5184 sd_bus *bus,
5185 bool *new_line,
5186 bool *ellipsized) {
5187
5188 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5189 _cleanup_free_ UnitInfo *unit_infos = NULL;
5190 const UnitInfo *u;
5191 unsigned c;
5192 int r, ret = 0;
5193
5194 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5195 if (r < 0)
5196 return r;
5197
5198 (void) pager_open(arg_pager_flags);
5199
5200 c = (unsigned) r;
5201
5202 typesafe_qsort(unit_infos, c, compare_unit_info);
5203
5204 for (u = unit_infos; u < unit_infos + c; u++) {
5205 _cleanup_free_ char *p = NULL;
5206
5207 p = unit_dbus_path_from_name(u->id);
5208 if (!p)
5209 return log_oom();
5210
5211 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5212 if (r < 0)
5213 return r;
5214 else if (r > 0 && ret == 0)
5215 ret = r;
5216 }
5217
5218 return ret;
5219 }
5220
5221 static int show_system_status(sd_bus *bus) {
5222 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5223 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5224 _cleanup_(machine_info_clear) struct machine_info mi = {};
5225 _cleanup_free_ char *hn = NULL;
5226 const char *on, *off;
5227 int r;
5228
5229 hn = gethostname_malloc();
5230 if (!hn)
5231 return log_oom();
5232
5233 r = bus_map_all_properties(
5234 bus,
5235 "org.freedesktop.systemd1",
5236 "/org/freedesktop/systemd1",
5237 machine_info_property_map,
5238 BUS_MAP_STRDUP,
5239 &error,
5240 NULL,
5241 &mi);
5242 if (r < 0)
5243 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5244
5245 if (streq_ptr(mi.state, "degraded")) {
5246 on = ansi_highlight_red();
5247 off = ansi_normal();
5248 } else if (streq_ptr(mi.state, "running")) {
5249 on = ansi_highlight_green();
5250 off = ansi_normal();
5251 } else {
5252 on = ansi_highlight_yellow();
5253 off = ansi_normal();
5254 }
5255
5256 printf("%s%s%s %s\n", on, special_glyph(BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5257
5258 printf(" State: %s%s%s\n",
5259 on, strna(mi.state), off);
5260
5261 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5262 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5263
5264 printf(" Since: %s; %s\n",
5265 format_timestamp(since2, sizeof(since2), mi.timestamp),
5266 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5267
5268 printf(" CGroup: %s\n", mi.control_group ?: "/");
5269 if (IN_SET(arg_transport,
5270 BUS_TRANSPORT_LOCAL,
5271 BUS_TRANSPORT_MACHINE)) {
5272 static const char prefix[] = " ";
5273 unsigned c;
5274
5275 c = columns();
5276 if (c > sizeof(prefix) - 1)
5277 c -= sizeof(prefix) - 1;
5278 else
5279 c = 0;
5280
5281 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5282 }
5283
5284 return 0;
5285 }
5286
5287 static int show(int argc, char *argv[], void *userdata) {
5288 bool new_line = false, ellipsized = false;
5289 SystemctlShowMode show_mode;
5290 int r, ret = 0;
5291 sd_bus *bus;
5292
5293 assert(argv);
5294
5295 show_mode = systemctl_show_mode_from_string(argv[0]);
5296 if (show_mode < 0)
5297 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5298 "Invalid argument.");
5299
5300 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5301 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5302 "This command expects one or more unit names. Did you mean --help?");
5303
5304 r = acquire_bus(BUS_MANAGER, &bus);
5305 if (r < 0)
5306 return r;
5307
5308 (void) pager_open(arg_pager_flags);
5309
5310 /* If no argument is specified inspect the manager itself */
5311 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5312 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5313
5314 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5315
5316 show_system_status(bus);
5317 new_line = true;
5318
5319 if (arg_all)
5320 ret = show_all(bus, &new_line, &ellipsized);
5321 } else {
5322 _cleanup_free_ char **patterns = NULL;
5323 char **name;
5324
5325 STRV_FOREACH(name, strv_skip(argv, 1)) {
5326 _cleanup_free_ char *path = NULL, *unit = NULL;
5327 uint32_t id;
5328
5329 if (safe_atou32(*name, &id) < 0) {
5330 if (strv_push(&patterns, *name) < 0)
5331 return log_oom();
5332
5333 continue;
5334 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5335 /* Interpret as job id */
5336 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5337 return log_oom();
5338
5339 } else {
5340 /* Interpret as PID */
5341 r = get_unit_dbus_path_by_pid(bus, id, &path);
5342 if (r < 0) {
5343 ret = r;
5344 continue;
5345 }
5346
5347 r = unit_name_from_dbus_path(path, &unit);
5348 if (r < 0)
5349 return log_oom();
5350 }
5351
5352 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5353 if (r < 0)
5354 return r;
5355 else if (r > 0 && ret == 0)
5356 ret = r;
5357 }
5358
5359 if (!strv_isempty(patterns)) {
5360 _cleanup_strv_free_ char **names = NULL;
5361
5362 r = expand_names(bus, patterns, NULL, &names);
5363 if (r < 0)
5364 return log_error_errno(r, "Failed to expand names: %m");
5365
5366 STRV_FOREACH(name, names) {
5367 _cleanup_free_ char *path;
5368
5369 path = unit_dbus_path_from_name(*name);
5370 if (!path)
5371 return log_oom();
5372
5373 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5374 if (r < 0)
5375 return r;
5376 if (r > 0 && ret == 0)
5377 ret = r;
5378 }
5379 }
5380 }
5381
5382 if (ellipsized && !arg_quiet)
5383 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5384
5385 return ret;
5386 }
5387
5388 static int cat(int argc, char *argv[], void *userdata) {
5389 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5390 _cleanup_strv_free_ char **names = NULL;
5391 char **name;
5392 sd_bus *bus;
5393 bool first = true;
5394 int r;
5395
5396 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5397 log_error("Cannot remotely cat units.");
5398 return -EINVAL;
5399 }
5400
5401 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5402 if (r < 0)
5403 return log_error_errno(r, "Failed to determine unit paths: %m");
5404
5405 r = acquire_bus(BUS_MANAGER, &bus);
5406 if (r < 0)
5407 return r;
5408
5409 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5410 if (r < 0)
5411 return log_error_errno(r, "Failed to expand names: %m");
5412
5413 (void) pager_open(arg_pager_flags);
5414
5415 STRV_FOREACH(name, names) {
5416 _cleanup_free_ char *fragment_path = NULL;
5417 _cleanup_strv_free_ char **dropin_paths = NULL;
5418
5419 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5420 if (r == -ERFKILL) {
5421 printf("%s# Unit %s is masked%s.\n",
5422 ansi_highlight_magenta(),
5423 *name,
5424 ansi_normal());
5425 continue;
5426 }
5427 if (r == -EKEYREJECTED) {
5428 printf("%s# Unit %s could not be loaded.%s\n",
5429 ansi_highlight_magenta(),
5430 *name,
5431 ansi_normal());
5432 continue;
5433 }
5434 if (r < 0)
5435 return r;
5436 if (r == 0)
5437 return -ENOENT;
5438
5439 if (first)
5440 first = false;
5441 else
5442 puts("");
5443
5444 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5445 fprintf(stderr,
5446 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5447 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5448 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5449 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5450 ansi_highlight_red(),
5451 *name,
5452 ansi_highlight_red(),
5453 ansi_highlight_red(),
5454 ansi_highlight_red(),
5455 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5456 ansi_normal());
5457
5458 r = cat_files(fragment_path, dropin_paths, 0);
5459 if (r < 0)
5460 return r;
5461 }
5462
5463 return 0;
5464 }
5465
5466 static int set_property(int argc, char *argv[], void *userdata) {
5467 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5468 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5469 _cleanup_free_ char *n = NULL;
5470 UnitType t;
5471 sd_bus *bus;
5472 int r;
5473
5474 r = acquire_bus(BUS_MANAGER, &bus);
5475 if (r < 0)
5476 return r;
5477
5478 polkit_agent_open_maybe();
5479
5480 r = sd_bus_message_new_method_call(
5481 bus,
5482 &m,
5483 "org.freedesktop.systemd1",
5484 "/org/freedesktop/systemd1",
5485 "org.freedesktop.systemd1.Manager",
5486 "SetUnitProperties");
5487 if (r < 0)
5488 return bus_log_create_error(r);
5489
5490 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5491 if (r < 0)
5492 return log_error_errno(r, "Failed to mangle unit name: %m");
5493
5494 t = unit_name_to_type(n);
5495 if (t < 0) {
5496 log_error("Invalid unit type: %s", n);
5497 return -EINVAL;
5498 }
5499
5500 r = sd_bus_message_append(m, "sb", n, arg_runtime);
5501 if (r < 0)
5502 return bus_log_create_error(r);
5503
5504 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
5505 if (r < 0)
5506 return bus_log_create_error(r);
5507
5508 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
5509 if (r < 0)
5510 return r;
5511
5512 r = sd_bus_message_close_container(m);
5513 if (r < 0)
5514 return bus_log_create_error(r);
5515
5516 r = sd_bus_call(bus, m, 0, &error, NULL);
5517 if (r < 0)
5518 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
5519
5520 return 0;
5521 }
5522
5523 static int daemon_reload(int argc, char *argv[], void *userdata) {
5524 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5525 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5526 const char *method;
5527 sd_bus *bus;
5528 int r;
5529
5530 r = acquire_bus(BUS_MANAGER, &bus);
5531 if (r < 0)
5532 return r;
5533
5534 polkit_agent_open_maybe();
5535
5536 switch (arg_action) {
5537
5538 case ACTION_RELOAD:
5539 method = "Reload";
5540 break;
5541
5542 case ACTION_REEXEC:
5543 method = "Reexecute";
5544 break;
5545
5546 case ACTION_SYSTEMCTL:
5547 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
5548 /* "daemon-reload" */ "Reload";
5549 break;
5550
5551 default:
5552 assert_not_reached("Unexpected action");
5553 }
5554
5555 r = sd_bus_message_new_method_call(
5556 bus,
5557 &m,
5558 "org.freedesktop.systemd1",
5559 "/org/freedesktop/systemd1",
5560 "org.freedesktop.systemd1.Manager",
5561 method);
5562 if (r < 0)
5563 return bus_log_create_error(r);
5564
5565 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
5566 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
5567 * their timeout, and for everything else there's the same time budget in place. */
5568
5569 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
5570
5571 /* On reexecution, we expect a disconnect, not a reply */
5572 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
5573 r = 0;
5574
5575 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5576 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
5577
5578 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5579 * old ways of doing things, hence don't log any error in that case here. */
5580
5581 return r < 0 ? r : 0;
5582 }
5583
5584 static int trivial_method(int argc, char *argv[], void *userdata) {
5585 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5586 const char *method;
5587 sd_bus *bus;
5588 int r;
5589
5590 if (arg_dry_run)
5591 return 0;
5592
5593 r = acquire_bus(BUS_MANAGER, &bus);
5594 if (r < 0)
5595 return r;
5596
5597 polkit_agent_open_maybe();
5598
5599 method =
5600 streq(argv[0], "clear-jobs") ||
5601 streq(argv[0], "cancel") ? "ClearJobs" :
5602 streq(argv[0], "reset-failed") ? "ResetFailed" :
5603 streq(argv[0], "halt") ? "Halt" :
5604 streq(argv[0], "reboot") ? "Reboot" :
5605 streq(argv[0], "kexec") ? "KExec" :
5606 streq(argv[0], "exit") ? "Exit" :
5607 /* poweroff */ "PowerOff";
5608
5609 r = sd_bus_call_method(
5610 bus,
5611 "org.freedesktop.systemd1",
5612 "/org/freedesktop/systemd1",
5613 "org.freedesktop.systemd1.Manager",
5614 method,
5615 &error,
5616 NULL,
5617 NULL);
5618 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
5619 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
5620
5621 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
5622 * old ways of doing things, hence don't log any error in that case here. */
5623
5624 return r < 0 ? r : 0;
5625 }
5626
5627 static int reset_failed(int argc, char *argv[], void *userdata) {
5628 _cleanup_strv_free_ char **names = NULL;
5629 sd_bus *bus;
5630 char **name;
5631 int r, q;
5632
5633 if (argc <= 1)
5634 return trivial_method(argc, argv, userdata);
5635
5636 r = acquire_bus(BUS_MANAGER, &bus);
5637 if (r < 0)
5638 return r;
5639
5640 polkit_agent_open_maybe();
5641
5642 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5643 if (r < 0)
5644 return log_error_errno(r, "Failed to expand names: %m");
5645
5646 STRV_FOREACH(name, names) {
5647 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5648
5649 q = sd_bus_call_method(
5650 bus,
5651 "org.freedesktop.systemd1",
5652 "/org/freedesktop/systemd1",
5653 "org.freedesktop.systemd1.Manager",
5654 "ResetFailedUnit",
5655 &error,
5656 NULL,
5657 "s", *name);
5658 if (q < 0) {
5659 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
5660 if (r == 0)
5661 r = q;
5662 }
5663 }
5664
5665 return r;
5666 }
5667
5668 static int print_variable(const char *s) {
5669 const char *sep;
5670 _cleanup_free_ char *esc = NULL;
5671
5672 sep = strchr(s, '=');
5673 if (!sep)
5674 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
5675 "Invalid environment block");
5676
5677 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
5678 if (!esc)
5679 return log_oom();
5680
5681 printf("%.*s=%s\n", (int)(sep-s), s, esc);
5682 return 0;
5683 }
5684
5685 static int show_environment(int argc, char *argv[], void *userdata) {
5686 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5687 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5688 const char *text;
5689 sd_bus *bus;
5690 int r;
5691
5692 r = acquire_bus(BUS_MANAGER, &bus);
5693 if (r < 0)
5694 return r;
5695
5696 (void) pager_open(arg_pager_flags);
5697
5698 r = sd_bus_get_property(
5699 bus,
5700 "org.freedesktop.systemd1",
5701 "/org/freedesktop/systemd1",
5702 "org.freedesktop.systemd1.Manager",
5703 "Environment",
5704 &error,
5705 &reply,
5706 "as");
5707 if (r < 0)
5708 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
5709
5710 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
5711 if (r < 0)
5712 return bus_log_parse_error(r);
5713
5714 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
5715 r = print_variable(text);
5716 if (r < 0)
5717 return r;
5718 }
5719 if (r < 0)
5720 return bus_log_parse_error(r);
5721
5722 r = sd_bus_message_exit_container(reply);
5723 if (r < 0)
5724 return bus_log_parse_error(r);
5725
5726 return 0;
5727 }
5728
5729 static int switch_root(int argc, char *argv[], void *userdata) {
5730 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5731 _cleanup_free_ char *cmdline_init = NULL;
5732 const char *root, *init;
5733 sd_bus *bus;
5734 int r;
5735
5736 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5737 log_error("Cannot switch root remotely.");
5738 return -EINVAL;
5739 }
5740
5741 if (argc < 2 || argc > 3) {
5742 log_error("Wrong number of arguments.");
5743 return -EINVAL;
5744 }
5745
5746 root = argv[1];
5747
5748 if (argc >= 3)
5749 init = argv[2];
5750 else {
5751 r = proc_cmdline_get_key("init", 0, &cmdline_init);
5752 if (r < 0)
5753 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
5754
5755 init = cmdline_init;
5756 }
5757
5758 init = empty_to_null(init);
5759 if (init) {
5760 const char *root_systemd_path = NULL, *root_init_path = NULL;
5761
5762 root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
5763 root_init_path = strjoina(root, "/", init);
5764
5765 /* If the passed init is actually the same as the
5766 * systemd binary, then let's suppress it. */
5767 if (files_same(root_init_path, root_systemd_path, 0) > 0)
5768 init = NULL;
5769 }
5770
5771 /* Instruct PID1 to exclude us from its killing spree applied during
5772 * the transition. Otherwise we would exit with a failure status even
5773 * though the switch to the new root has succeed. */
5774 argv_cmdline[0] = '@';
5775
5776 r = acquire_bus(BUS_MANAGER, &bus);
5777 if (r < 0)
5778 return r;
5779
5780 /* If we are slow to exit after the root switch, the new systemd instance
5781 * will send us a signal to terminate. Just ignore it and exit normally.
5782 * This way the unit does not end up as failed.
5783 */
5784 r = ignore_signals(SIGTERM, -1);
5785 if (r < 0)
5786 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
5787
5788 log_debug("Switching root - root: %s; init: %s", root, strna(init));
5789
5790 r = sd_bus_call_method(
5791 bus,
5792 "org.freedesktop.systemd1",
5793 "/org/freedesktop/systemd1",
5794 "org.freedesktop.systemd1.Manager",
5795 "SwitchRoot",
5796 &error,
5797 NULL,
5798 "ss", root, init);
5799 if (r < 0) {
5800 (void) default_signals(SIGTERM, -1);
5801
5802 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
5803 }
5804
5805 return 0;
5806 }
5807
5808 static int set_environment(int argc, char *argv[], void *userdata) {
5809 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5810 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5811 const char *method;
5812 sd_bus *bus;
5813 int r;
5814
5815 assert(argc > 1);
5816 assert(argv);
5817
5818 r = acquire_bus(BUS_MANAGER, &bus);
5819 if (r < 0)
5820 return r;
5821
5822 polkit_agent_open_maybe();
5823
5824 method = streq(argv[0], "set-environment")
5825 ? "SetEnvironment"
5826 : "UnsetEnvironment";
5827
5828 r = sd_bus_message_new_method_call(
5829 bus,
5830 &m,
5831 "org.freedesktop.systemd1",
5832 "/org/freedesktop/systemd1",
5833 "org.freedesktop.systemd1.Manager",
5834 method);
5835 if (r < 0)
5836 return bus_log_create_error(r);
5837
5838 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
5839 if (r < 0)
5840 return bus_log_create_error(r);
5841
5842 r = sd_bus_call(bus, m, 0, &error, NULL);
5843 if (r < 0)
5844 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
5845
5846 return 0;
5847 }
5848
5849 static int import_environment(int argc, char *argv[], void *userdata) {
5850 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5851 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5852 sd_bus *bus;
5853 int r;
5854
5855 r = acquire_bus(BUS_MANAGER, &bus);
5856 if (r < 0)
5857 return r;
5858
5859 polkit_agent_open_maybe();
5860
5861 r = sd_bus_message_new_method_call(
5862 bus,
5863 &m,
5864 "org.freedesktop.systemd1",
5865 "/org/freedesktop/systemd1",
5866 "org.freedesktop.systemd1.Manager",
5867 "SetEnvironment");
5868 if (r < 0)
5869 return bus_log_create_error(r);
5870
5871 if (argc < 2)
5872 r = sd_bus_message_append_strv(m, environ);
5873 else {
5874 char **a, **b;
5875
5876 r = sd_bus_message_open_container(m, 'a', "s");
5877 if (r < 0)
5878 return bus_log_create_error(r);
5879
5880 STRV_FOREACH(a, strv_skip(argv, 1)) {
5881
5882 if (!env_name_is_valid(*a)) {
5883 log_error("Not a valid environment variable name: %s", *a);
5884 return -EINVAL;
5885 }
5886
5887 STRV_FOREACH(b, environ) {
5888 const char *eq;
5889
5890 eq = startswith(*b, *a);
5891 if (eq && *eq == '=') {
5892
5893 r = sd_bus_message_append(m, "s", *b);
5894 if (r < 0)
5895 return bus_log_create_error(r);
5896
5897 break;
5898 }
5899 }
5900 }
5901
5902 r = sd_bus_message_close_container(m);
5903 }
5904 if (r < 0)
5905 return bus_log_create_error(r);
5906
5907 r = sd_bus_call(bus, m, 0, &error, NULL);
5908 if (r < 0)
5909 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
5910
5911 return 0;
5912 }
5913
5914 static int enable_sysv_units(const char *verb, char **args) {
5915 int r = 0;
5916
5917 #if HAVE_SYSV_COMPAT
5918 _cleanup_(lookup_paths_free) LookupPaths paths = {};
5919 unsigned f = 0;
5920
5921 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
5922
5923 if (arg_scope != UNIT_FILE_SYSTEM)
5924 return 0;
5925
5926 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
5927 return 0;
5928
5929 if (!STR_IN_SET(verb,
5930 "enable",
5931 "disable",
5932 "is-enabled"))
5933 return 0;
5934
5935 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
5936 if (r < 0)
5937 return r;
5938
5939 r = 0;
5940 while (args[f]) {
5941
5942 const char *argv[] = {
5943 ROOTLIBEXECDIR "/systemd-sysv-install",
5944 NULL,
5945 NULL,
5946 NULL,
5947 NULL,
5948 };
5949
5950 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5951 bool found_native = false, found_sysv;
5952 const char *name;
5953 unsigned c = 1;
5954 pid_t pid;
5955 int j;
5956
5957 name = args[f++];
5958
5959 if (!endswith(name, ".service"))
5960 continue;
5961
5962 if (path_is_absolute(name))
5963 continue;
5964
5965 j = unit_file_exists(arg_scope, &paths, name);
5966 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
5967 return log_error_errno(j, "Failed to lookup unit file state: %m");
5968 found_native = j != 0;
5969
5970 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
5971 * prefer the native unit */
5972 if (found_native && streq(verb, "is-enabled"))
5973 continue;
5974
5975 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
5976 if (!p)
5977 return log_oom();
5978
5979 p[strlen(p) - STRLEN(".service")] = 0;
5980 found_sysv = access(p, F_OK) >= 0;
5981 if (!found_sysv)
5982 continue;
5983
5984 if (!arg_quiet) {
5985 if (found_native)
5986 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
5987 else
5988 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
5989 }
5990
5991 if (!isempty(arg_root))
5992 argv[c++] = q = strappend("--root=", arg_root);
5993
5994 argv[c++] = verb;
5995 argv[c++] = basename(p);
5996 argv[c] = NULL;
5997
5998 l = strv_join((char**)argv, " ");
5999 if (!l)
6000 return log_oom();
6001
6002 if (!arg_quiet)
6003 log_info("Executing: %s", l);
6004
6005 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
6006 if (j < 0)
6007 return j;
6008 if (j == 0) {
6009 /* Child */
6010 execv(argv[0], (char**) argv);
6011 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6012 _exit(EXIT_FAILURE);
6013 }
6014
6015 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6016 if (j < 0)
6017 return j;
6018 if (streq(verb, "is-enabled")) {
6019 if (j == EXIT_SUCCESS) {
6020 if (!arg_quiet)
6021 puts("enabled");
6022 r = 1;
6023 } else {
6024 if (!arg_quiet)
6025 puts("disabled");
6026 }
6027
6028 } else if (j != EXIT_SUCCESS)
6029 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6030
6031 if (found_native)
6032 continue;
6033
6034 /* Remove this entry, so that we don't try enabling it as native unit */
6035 assert(f > 0);
6036 f--;
6037 assert(args[f] == name);
6038 strv_remove(args, name);
6039 }
6040
6041 #endif
6042 return r;
6043 }
6044
6045 static int mangle_names(char **original_names, char ***mangled_names) {
6046 char **i, **l, **name;
6047 int r;
6048
6049 l = i = new(char*, strv_length(original_names) + 1);
6050 if (!l)
6051 return log_oom();
6052
6053 STRV_FOREACH(name, original_names) {
6054
6055 /* When enabling units qualified path names are OK,
6056 * too, hence allow them explicitly. */
6057
6058 if (is_path(*name)) {
6059 *i = strdup(*name);
6060 if (!*i) {
6061 strv_free(l);
6062 return log_oom();
6063 }
6064 } else {
6065 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6066 if (r < 0) {
6067 *i = NULL;
6068 strv_free(l);
6069 return log_error_errno(r, "Failed to mangle unit name: %m");
6070 }
6071 }
6072
6073 i++;
6074 }
6075
6076 *i = NULL;
6077 *mangled_names = l;
6078
6079 return 0;
6080 }
6081
6082 static int normalize_filenames(char **names) {
6083 char **u;
6084 int r;
6085
6086 STRV_FOREACH(u, names)
6087 if (!path_is_absolute(*u)) {
6088 char* normalized_path;
6089
6090 if (!isempty(arg_root))
6091 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6092 "Non-absolute paths are not allowed when --root is used: %s",
6093 *u);
6094
6095 if (!strchr(*u,'/'))
6096 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6097 "Link argument does contain at least one directory separator: %s",
6098 *u);
6099
6100 r = path_make_absolute_cwd(*u, &normalized_path);
6101 if (r < 0)
6102 return r;
6103
6104 free_and_replace(*u, normalized_path);
6105 }
6106
6107 return 0;
6108 }
6109
6110 static int normalize_names(char **names, bool warn_if_path) {
6111 char **u;
6112 bool was_path = false;
6113
6114 STRV_FOREACH(u, names) {
6115 int r;
6116
6117 if (!is_path(*u))
6118 continue;
6119
6120 r = free_and_strdup(u, basename(*u));
6121 if (r < 0)
6122 return log_error_errno(r, "Failed to normalize unit file path: %m");
6123
6124 was_path = true;
6125 }
6126
6127 if (warn_if_path && was_path)
6128 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6129
6130 return 0;
6131 }
6132
6133 static int unit_exists(LookupPaths *lp, const char *unit) {
6134 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6135 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6136 _cleanup_free_ char *path = NULL;
6137 static const struct bus_properties_map property_map[] = {
6138 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6139 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6140 {},
6141 };
6142 UnitStatusInfo info = {};
6143 sd_bus *bus;
6144 int r;
6145
6146 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6147 return unit_find_template_path(unit, lp, NULL, NULL);
6148
6149 path = unit_dbus_path_from_name(unit);
6150 if (!path)
6151 return log_oom();
6152
6153 r = acquire_bus(BUS_MANAGER, &bus);
6154 if (r < 0)
6155 return r;
6156
6157 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6158 if (r < 0)
6159 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6160
6161 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6162 }
6163
6164 static int enable_unit(int argc, char *argv[], void *userdata) {
6165 _cleanup_strv_free_ char **names = NULL;
6166 const char *verb = argv[0];
6167 UnitFileChange *changes = NULL;
6168 size_t n_changes = 0;
6169 int carries_install_info = -1;
6170 bool ignore_carries_install_info = arg_quiet;
6171 int r;
6172
6173 if (!argv[1])
6174 return 0;
6175
6176 r = mangle_names(strv_skip(argv, 1), &names);
6177 if (r < 0)
6178 return r;
6179
6180 r = enable_sysv_units(verb, names);
6181 if (r < 0)
6182 return r;
6183
6184 /* If the operation was fully executed by the SysV compat, let's finish early */
6185 if (strv_isempty(names)) {
6186 if (arg_no_reload || install_client_side())
6187 return 0;
6188 return daemon_reload(argc, argv, userdata);
6189 }
6190
6191 if (streq(verb, "disable")) {
6192 r = normalize_names(names, true);
6193 if (r < 0)
6194 return r;
6195 }
6196
6197 if (streq(verb, "link")) {
6198 r = normalize_filenames(names);
6199 if (r < 0)
6200 return r;
6201 }
6202
6203 if (install_client_side()) {
6204 UnitFileFlags flags;
6205
6206 flags = args_to_flags();
6207 if (streq(verb, "enable")) {
6208 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6209 carries_install_info = r;
6210 } else if (streq(verb, "disable"))
6211 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6212 else if (streq(verb, "reenable")) {
6213 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6214 carries_install_info = r;
6215 } else if (streq(verb, "link"))
6216 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6217 else if (streq(verb, "preset")) {
6218 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6219 } else if (streq(verb, "mask"))
6220 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6221 else if (streq(verb, "unmask"))
6222 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6223 else if (streq(verb, "revert"))
6224 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6225 else
6226 assert_not_reached("Unknown verb");
6227
6228 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6229 if (r < 0)
6230 goto finish;
6231 r = 0;
6232 } else {
6233 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6234 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6235 bool expect_carries_install_info = false;
6236 bool send_runtime = true, send_force = true, send_preset_mode = false;
6237 const char *method;
6238 sd_bus *bus;
6239
6240 if (STR_IN_SET(verb, "mask", "unmask")) {
6241 char **name;
6242 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6243
6244 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6245 if (r < 0)
6246 return r;
6247
6248 STRV_FOREACH(name, names) {
6249 r = unit_exists(&lp, *name);
6250 if (r < 0)
6251 return r;
6252 if (r == 0)
6253 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6254 }
6255 }
6256
6257 r = acquire_bus(BUS_MANAGER, &bus);
6258 if (r < 0)
6259 return r;
6260
6261 polkit_agent_open_maybe();
6262
6263 if (streq(verb, "enable")) {
6264 method = "EnableUnitFiles";
6265 expect_carries_install_info = true;
6266 } else if (streq(verb, "disable")) {
6267 method = "DisableUnitFiles";
6268 send_force = false;
6269 } else if (streq(verb, "reenable")) {
6270 method = "ReenableUnitFiles";
6271 expect_carries_install_info = true;
6272 } else if (streq(verb, "link"))
6273 method = "LinkUnitFiles";
6274 else if (streq(verb, "preset")) {
6275
6276 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6277 method = "PresetUnitFilesWithMode";
6278 send_preset_mode = true;
6279 } else
6280 method = "PresetUnitFiles";
6281
6282 expect_carries_install_info = true;
6283 ignore_carries_install_info = true;
6284 } else if (streq(verb, "mask"))
6285 method = "MaskUnitFiles";
6286 else if (streq(verb, "unmask")) {
6287 method = "UnmaskUnitFiles";
6288 send_force = false;
6289 } else if (streq(verb, "revert")) {
6290 method = "RevertUnitFiles";
6291 send_runtime = send_force = false;
6292 } else
6293 assert_not_reached("Unknown verb");
6294
6295 r = sd_bus_message_new_method_call(
6296 bus,
6297 &m,
6298 "org.freedesktop.systemd1",
6299 "/org/freedesktop/systemd1",
6300 "org.freedesktop.systemd1.Manager",
6301 method);
6302 if (r < 0)
6303 return bus_log_create_error(r);
6304
6305 r = sd_bus_message_append_strv(m, names);
6306 if (r < 0)
6307 return bus_log_create_error(r);
6308
6309 if (send_preset_mode) {
6310 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6311 if (r < 0)
6312 return bus_log_create_error(r);
6313 }
6314
6315 if (send_runtime) {
6316 r = sd_bus_message_append(m, "b", arg_runtime);
6317 if (r < 0)
6318 return bus_log_create_error(r);
6319 }
6320
6321 if (send_force) {
6322 r = sd_bus_message_append(m, "b", arg_force);
6323 if (r < 0)
6324 return bus_log_create_error(r);
6325 }
6326
6327 r = sd_bus_call(bus, m, 0, &error, &reply);
6328 if (r < 0)
6329 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6330
6331 if (expect_carries_install_info) {
6332 r = sd_bus_message_read(reply, "b", &carries_install_info);
6333 if (r < 0)
6334 return bus_log_parse_error(r);
6335 }
6336
6337 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6338 if (r < 0)
6339 goto finish;
6340
6341 /* Try to reload if enabled */
6342 if (!arg_no_reload)
6343 r = daemon_reload(argc, argv, userdata);
6344 else
6345 r = 0;
6346 }
6347
6348 if (carries_install_info == 0 && !ignore_carries_install_info)
6349 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6350 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6351 "units). This means they are not meant to be enabled using systemctl.\n \n"
6352 "Possible reasons for having this kind of units are:\n"
6353 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6354 " .wants/ or .requires/ directory.\n"
6355 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6356 " a requirement dependency on it.\n"
6357 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6358 " D-Bus, udev, scripted systemctl call, ...).\n"
6359 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6360 " instance name specified.",
6361 special_glyph(BULLET));
6362
6363 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6364 sd_bus *bus;
6365 size_t len, i;
6366
6367 r = acquire_bus(BUS_MANAGER, &bus);
6368 if (r < 0)
6369 goto finish;
6370
6371 len = strv_length(names);
6372 {
6373 char *new_args[len + 2];
6374
6375 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6376 for (i = 0; i < len; i++)
6377 new_args[i + 1] = basename(names[i]);
6378 new_args[i + 1] = NULL;
6379
6380 r = start_unit(len + 1, new_args, userdata);
6381 }
6382 }
6383
6384 finish:
6385 unit_file_changes_free(changes, n_changes);
6386
6387 return r;
6388 }
6389
6390 static int add_dependency(int argc, char *argv[], void *userdata) {
6391 _cleanup_strv_free_ char **names = NULL;
6392 _cleanup_free_ char *target = NULL;
6393 const char *verb = argv[0];
6394 UnitFileChange *changes = NULL;
6395 size_t n_changes = 0;
6396 UnitDependency dep;
6397 int r = 0;
6398
6399 if (!argv[1])
6400 return 0;
6401
6402 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6403 if (r < 0)
6404 return log_error_errno(r, "Failed to mangle unit name: %m");
6405
6406 r = mangle_names(strv_skip(argv, 2), &names);
6407 if (r < 0)
6408 return r;
6409
6410 if (streq(verb, "add-wants"))
6411 dep = UNIT_WANTS;
6412 else if (streq(verb, "add-requires"))
6413 dep = UNIT_REQUIRES;
6414 else
6415 assert_not_reached("Unknown verb");
6416
6417 if (install_client_side()) {
6418 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6419 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6420
6421 if (r > 0)
6422 r = 0;
6423 } else {
6424 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6425 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6426 sd_bus *bus;
6427
6428 r = acquire_bus(BUS_MANAGER, &bus);
6429 if (r < 0)
6430 return r;
6431
6432 polkit_agent_open_maybe();
6433
6434 r = sd_bus_message_new_method_call(
6435 bus,
6436 &m,
6437 "org.freedesktop.systemd1",
6438 "/org/freedesktop/systemd1",
6439 "org.freedesktop.systemd1.Manager",
6440 "AddDependencyUnitFiles");
6441 if (r < 0)
6442 return bus_log_create_error(r);
6443
6444 r = sd_bus_message_append_strv(m, names);
6445 if (r < 0)
6446 return bus_log_create_error(r);
6447
6448 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6449 if (r < 0)
6450 return bus_log_create_error(r);
6451
6452 r = sd_bus_call(bus, m, 0, &error, &reply);
6453 if (r < 0)
6454 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6455
6456 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6457 if (r < 0)
6458 goto finish;
6459
6460 if (arg_no_reload) {
6461 r = 0;
6462 goto finish;
6463 }
6464
6465 r = daemon_reload(argc, argv, userdata);
6466 }
6467
6468 finish:
6469 unit_file_changes_free(changes, n_changes);
6470
6471 return r;
6472 }
6473
6474 static int preset_all(int argc, char *argv[], void *userdata) {
6475 UnitFileChange *changes = NULL;
6476 size_t n_changes = 0;
6477 int r;
6478
6479 if (install_client_side()) {
6480 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6481 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6482
6483 if (r > 0)
6484 r = 0;
6485 } else {
6486 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6487 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6488 sd_bus *bus;
6489
6490 r = acquire_bus(BUS_MANAGER, &bus);
6491 if (r < 0)
6492 return r;
6493
6494 polkit_agent_open_maybe();
6495
6496 r = sd_bus_call_method(
6497 bus,
6498 "org.freedesktop.systemd1",
6499 "/org/freedesktop/systemd1",
6500 "org.freedesktop.systemd1.Manager",
6501 "PresetAllUnitFiles",
6502 &error,
6503 &reply,
6504 "sbb",
6505 unit_file_preset_mode_to_string(arg_preset_mode),
6506 arg_runtime,
6507 arg_force);
6508 if (r < 0)
6509 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
6510
6511 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6512 if (r < 0)
6513 goto finish;
6514
6515 if (arg_no_reload) {
6516 r = 0;
6517 goto finish;
6518 }
6519
6520 r = daemon_reload(argc, argv, userdata);
6521 }
6522
6523 finish:
6524 unit_file_changes_free(changes, n_changes);
6525
6526 return r;
6527 }
6528
6529 static int show_installation_targets_client_side(const char *name) {
6530 UnitFileChange *changes = NULL;
6531 size_t n_changes = 0, i;
6532 UnitFileFlags flags;
6533 char **p;
6534 int r;
6535
6536 p = STRV_MAKE(name);
6537 flags = UNIT_FILE_DRY_RUN |
6538 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
6539
6540 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
6541 if (r < 0)
6542 return log_error_errno(r, "Failed to get file links for %s: %m", name);
6543
6544 for (i = 0; i < n_changes; i++)
6545 if (changes[i].type == UNIT_FILE_UNLINK)
6546 printf(" %s\n", changes[i].path);
6547
6548 return 0;
6549 }
6550
6551 static int show_installation_targets(sd_bus *bus, const char *name) {
6552 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6553 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6554 const char *link;
6555 int r;
6556
6557 r = sd_bus_call_method(
6558 bus,
6559 "org.freedesktop.systemd1",
6560 "/org/freedesktop/systemd1",
6561 "org.freedesktop.systemd1.Manager",
6562 "GetUnitFileLinks",
6563 &error,
6564 &reply,
6565 "sb", name, arg_runtime);
6566 if (r < 0)
6567 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
6568
6569 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6570 if (r < 0)
6571 return bus_log_parse_error(r);
6572
6573 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
6574 printf(" %s\n", link);
6575
6576 if (r < 0)
6577 return bus_log_parse_error(r);
6578
6579 r = sd_bus_message_exit_container(reply);
6580 if (r < 0)
6581 return bus_log_parse_error(r);
6582
6583 return 0;
6584 }
6585
6586 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
6587 _cleanup_strv_free_ char **names = NULL;
6588 bool enabled;
6589 char **name;
6590 int r;
6591
6592 r = mangle_names(strv_skip(argv, 1), &names);
6593 if (r < 0)
6594 return r;
6595
6596 r = enable_sysv_units(argv[0], names);
6597 if (r < 0)
6598 return r;
6599
6600 enabled = r > 0;
6601
6602 if (install_client_side()) {
6603 STRV_FOREACH(name, names) {
6604 UnitFileState state;
6605
6606 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
6607 if (r < 0)
6608 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
6609
6610 if (IN_SET(state,
6611 UNIT_FILE_ENABLED,
6612 UNIT_FILE_ENABLED_RUNTIME,
6613 UNIT_FILE_STATIC,
6614 UNIT_FILE_INDIRECT,
6615 UNIT_FILE_GENERATED))
6616 enabled = true;
6617
6618 if (!arg_quiet) {
6619 puts(unit_file_state_to_string(state));
6620 if (arg_full) {
6621 r = show_installation_targets_client_side(*name);
6622 if (r < 0)
6623 return r;
6624 }
6625 }
6626 }
6627
6628 r = 0;
6629 } else {
6630 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6631 sd_bus *bus;
6632
6633 r = acquire_bus(BUS_MANAGER, &bus);
6634 if (r < 0)
6635 return r;
6636
6637 STRV_FOREACH(name, names) {
6638 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6639 const char *s;
6640
6641 r = sd_bus_call_method(
6642 bus,
6643 "org.freedesktop.systemd1",
6644 "/org/freedesktop/systemd1",
6645 "org.freedesktop.systemd1.Manager",
6646 "GetUnitFileState",
6647 &error,
6648 &reply,
6649 "s", *name);
6650 if (r < 0)
6651 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
6652
6653 r = sd_bus_message_read(reply, "s", &s);
6654 if (r < 0)
6655 return bus_log_parse_error(r);
6656
6657 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
6658 enabled = true;
6659
6660 if (!arg_quiet) {
6661 puts(s);
6662 if (arg_full) {
6663 r = show_installation_targets(bus, *name);
6664 if (r < 0)
6665 return r;
6666 }
6667 }
6668 }
6669 }
6670
6671 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
6672 }
6673
6674 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
6675 char **state = userdata;
6676 int r;
6677
6678 assert(state);
6679
6680 r = sd_bus_get_property_string(
6681 sd_bus_message_get_bus(m),
6682 "org.freedesktop.systemd1",
6683 "/org/freedesktop/systemd1",
6684 "org.freedesktop.systemd1.Manager",
6685 "SystemState",
6686 NULL,
6687 state);
6688
6689 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
6690 return 0;
6691 }
6692
6693 static int is_system_running(int argc, char *argv[], void *userdata) {
6694 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6695 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
6696 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
6697 _cleanup_free_ char *state = NULL;
6698 sd_bus *bus;
6699 int r;
6700
6701 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
6702 if (!arg_quiet)
6703 puts("offline");
6704 return EXIT_FAILURE;
6705 }
6706
6707 r = acquire_bus(BUS_MANAGER, &bus);
6708 if (r < 0)
6709 return r;
6710
6711 if (arg_wait) {
6712 r = sd_event_default(&event);
6713 if (r >= 0)
6714 r = sd_bus_attach_event(bus, event, 0);
6715 if (r >= 0)
6716 r = sd_bus_match_signal_async(
6717 bus,
6718 &slot_startup_finished,
6719 "org.freedesktop.systemd1",
6720 "/org/freedesktop/systemd1",
6721 "org.freedesktop.systemd1.Manager",
6722 "StartupFinished",
6723 match_startup_finished, NULL, &state);
6724 if (r < 0) {
6725 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
6726 arg_wait = false;
6727 }
6728 }
6729
6730 r = sd_bus_get_property_string(
6731 bus,
6732 "org.freedesktop.systemd1",
6733 "/org/freedesktop/systemd1",
6734 "org.freedesktop.systemd1.Manager",
6735 "SystemState",
6736 &error,
6737 &state);
6738 if (r < 0) {
6739 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
6740
6741 if (!arg_quiet)
6742 puts("unknown");
6743 return EXIT_FAILURE;
6744 }
6745
6746 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
6747 r = sd_event_loop(event);
6748 if (r < 0) {
6749 log_warning_errno(r, "Failed to get property from event loop: %m");
6750 if (!arg_quiet)
6751 puts("unknown");
6752 return EXIT_FAILURE;
6753 }
6754 }
6755
6756 if (!arg_quiet)
6757 puts(state);
6758
6759 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
6760 }
6761
6762 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
6763 _cleanup_free_ char *t = NULL;
6764 int r;
6765
6766 assert(new_path);
6767 assert(original_path);
6768 assert(ret_tmp_fn);
6769
6770 r = tempfn_random(new_path, NULL, &t);
6771 if (r < 0)
6772 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
6773
6774 r = mkdir_parents(new_path, 0755);
6775 if (r < 0)
6776 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
6777
6778 r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK);
6779 if (r == -ENOENT) {
6780
6781 r = touch(t);
6782 if (r < 0)
6783 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
6784
6785 } else if (r < 0)
6786 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
6787
6788 *ret_tmp_fn = TAKE_PTR(t);
6789
6790 return 0;
6791 }
6792
6793 static int get_file_to_edit(
6794 const LookupPaths *paths,
6795 const char *name,
6796 char **ret_path) {
6797
6798 _cleanup_free_ char *path = NULL, *run = NULL;
6799
6800 assert(name);
6801 assert(ret_path);
6802
6803 path = strjoin(paths->persistent_config, "/", name);
6804 if (!path)
6805 return log_oom();
6806
6807 if (arg_runtime) {
6808 run = strjoin(paths->runtime_config, "/", name);
6809 if (!run)
6810 return log_oom();
6811 }
6812
6813 if (arg_runtime) {
6814 if (access(path, F_OK) >= 0)
6815 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
6816 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
6817 run, path);
6818
6819 *ret_path = TAKE_PTR(run);
6820 } else
6821 *ret_path = TAKE_PTR(path);
6822
6823 return 0;
6824 }
6825
6826 static int unit_file_create_new(
6827 const LookupPaths *paths,
6828 const char *unit_name,
6829 const char *suffix,
6830 char **ret_new_path,
6831 char **ret_tmp_path) {
6832
6833 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
6834 const char *ending;
6835 int r;
6836
6837 assert(unit_name);
6838 assert(ret_new_path);
6839 assert(ret_tmp_path);
6840
6841 ending = strjoina(unit_name, suffix);
6842 r = get_file_to_edit(paths, ending, &new_path);
6843 if (r < 0)
6844 return r;
6845
6846 r = create_edit_temp_file(new_path, new_path, &tmp_path);
6847 if (r < 0)
6848 return r;
6849
6850 *ret_new_path = TAKE_PTR(new_path);
6851 *ret_tmp_path = TAKE_PTR(tmp_path);
6852
6853 return 0;
6854 }
6855
6856 static int unit_file_create_copy(
6857 const LookupPaths *paths,
6858 const char *unit_name,
6859 const char *fragment_path,
6860 char **ret_new_path,
6861 char **ret_tmp_path) {
6862
6863 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
6864 int r;
6865
6866 assert(fragment_path);
6867 assert(unit_name);
6868 assert(ret_new_path);
6869 assert(ret_tmp_path);
6870
6871 r = get_file_to_edit(paths, unit_name, &new_path);
6872 if (r < 0)
6873 return r;
6874
6875 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
6876 char response;
6877
6878 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
6879 if (r < 0)
6880 return r;
6881 if (response != 'y')
6882 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
6883 }
6884
6885 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
6886 if (r < 0)
6887 return r;
6888
6889 *ret_new_path = TAKE_PTR(new_path);
6890 *ret_tmp_path = TAKE_PTR(tmp_path);
6891
6892 return 0;
6893 }
6894
6895 static int run_editor(char **paths) {
6896 int r;
6897
6898 assert(paths);
6899
6900 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG|FORK_WAIT, NULL);
6901 if (r < 0)
6902 return r;
6903 if (r == 0) {
6904 char **editor_args = NULL, **tmp_path, **original_path, *p;
6905 size_t n_editor_args = 0, i = 1, argc;
6906 const char **args, *editor;
6907
6908 argc = strv_length(paths)/2 + 1;
6909
6910 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
6911 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
6912 * we try to execute well known editors
6913 */
6914 editor = getenv("SYSTEMD_EDITOR");
6915 if (!editor)
6916 editor = getenv("EDITOR");
6917 if (!editor)
6918 editor = getenv("VISUAL");
6919
6920 if (!isempty(editor)) {
6921 editor_args = strv_split(editor, WHITESPACE);
6922 if (!editor_args) {
6923 (void) log_oom();
6924 _exit(EXIT_FAILURE);
6925 }
6926 n_editor_args = strv_length(editor_args);
6927 argc += n_editor_args - 1;
6928 }
6929
6930 args = newa(const char*, argc + 1);
6931
6932 if (n_editor_args > 0) {
6933 args[0] = editor_args[0];
6934 for (; i < n_editor_args; i++)
6935 args[i] = editor_args[i];
6936 }
6937
6938 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
6939 args[i++] = *tmp_path;
6940 args[i] = NULL;
6941
6942 if (n_editor_args > 0)
6943 execvp(args[0], (char* const*) args);
6944
6945 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
6946 args[0] = p;
6947 execvp(p, (char* const*) args);
6948 /* We do not fail if the editor doesn't exist
6949 * because we want to try each one of them before
6950 * failing.
6951 */
6952 if (errno != ENOENT) {
6953 log_error_errno(errno, "Failed to execute %s: %m", editor);
6954 _exit(EXIT_FAILURE);
6955 }
6956 }
6957
6958 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
6959 _exit(EXIT_FAILURE);
6960 }
6961
6962 return 0;
6963 }
6964
6965 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
6966 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6967 char **name;
6968 int r;
6969
6970 assert(names);
6971 assert(paths);
6972
6973 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6974 if (r < 0)
6975 return r;
6976
6977 STRV_FOREACH(name, names) {
6978 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
6979 const char *unit_name;
6980
6981 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
6982 if (r == -EKEYREJECTED) {
6983 /* If loading of the unit failed server side complete, then the server won't tell us the unit
6984 * file path. In that case, find the file client side. */
6985 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
6986 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
6987 }
6988 if (r == -ERFKILL)
6989 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
6990 if (r < 0)
6991 return r;
6992
6993 if (r == 0) {
6994 assert(!path);
6995
6996 if (!arg_force) {
6997 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
6998 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
6999 arg_scope == UNIT_FILE_USER ? " --user" : "",
7000 *name);
7001 return -ENOENT;
7002 }
7003
7004 /* Create a new unit from scratch */
7005 unit_name = *name;
7006 r = unit_file_create_new(&lp, unit_name,
7007 arg_full ? NULL : ".d/override.conf",
7008 &new_path, &tmp_path);
7009 } else {
7010 assert(path);
7011
7012 unit_name = basename(path);
7013 /* We follow unit aliases, but we need to propagate the instance */
7014 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7015 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7016 _cleanup_free_ char *instance = NULL;
7017
7018 r = unit_name_to_instance(*name, &instance);
7019 if (r < 0)
7020 return r;
7021
7022 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7023 if (r < 0)
7024 return r;
7025
7026 unit_name = tmp_name;
7027 }
7028
7029 if (arg_full)
7030 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7031 else
7032 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7033 }
7034 if (r < 0)
7035 return r;
7036
7037 r = strv_push_pair(paths, new_path, tmp_path);
7038 if (r < 0)
7039 return log_oom();
7040
7041 new_path = tmp_path = NULL;
7042 }
7043
7044 return 0;
7045 }
7046
7047 static int edit(int argc, char *argv[], void *userdata) {
7048 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7049 _cleanup_strv_free_ char **names = NULL;
7050 _cleanup_strv_free_ char **paths = NULL;
7051 char **original, **tmp;
7052 sd_bus *bus;
7053 int r;
7054
7055 if (!on_tty()) {
7056 log_error("Cannot edit units if not on a tty.");
7057 return -EINVAL;
7058 }
7059
7060 if (arg_transport != BUS_TRANSPORT_LOCAL) {
7061 log_error("Cannot edit units remotely.");
7062 return -EINVAL;
7063 }
7064
7065 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7066 if (r < 0)
7067 return log_error_errno(r, "Failed to determine unit paths: %m");
7068
7069 r = acquire_bus(BUS_MANAGER, &bus);
7070 if (r < 0)
7071 return r;
7072
7073 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7074 if (r < 0)
7075 return log_error_errno(r, "Failed to expand names: %m");
7076
7077 STRV_FOREACH(tmp, names) {
7078 r = unit_is_masked(bus, &lp, *tmp);
7079 if (r < 0)
7080 return r;
7081 if (r > 0) {
7082 log_error("Cannot edit %s: unit is masked.", *tmp);
7083 return -EINVAL;
7084 }
7085 }
7086
7087 r = find_paths_to_edit(bus, names, &paths);
7088 if (r < 0)
7089 return r;
7090
7091 if (strv_isempty(paths))
7092 return -ENOENT;
7093
7094 r = run_editor(paths);
7095 if (r < 0)
7096 goto end;
7097
7098 STRV_FOREACH_PAIR(original, tmp, paths) {
7099 /* If the temporary file is empty we ignore it.
7100 * This allows the user to cancel the modification.
7101 */
7102 if (null_or_empty_path(*tmp)) {
7103 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7104 continue;
7105 }
7106
7107 r = rename(*tmp, *original);
7108 if (r < 0) {
7109 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7110 goto end;
7111 }
7112 }
7113
7114 r = 0;
7115
7116 if (!arg_no_reload && !install_client_side())
7117 r = daemon_reload(argc, argv, userdata);
7118
7119 end:
7120 STRV_FOREACH_PAIR(original, tmp, paths) {
7121 (void) unlink(*tmp);
7122
7123 /* Removing empty dropin dirs */
7124 if (!arg_full) {
7125 _cleanup_free_ char *dir;
7126
7127 dir = dirname_malloc(*original);
7128 if (!dir)
7129 return log_oom();
7130
7131 /* no need to check if the dir is empty, rmdir
7132 * does nothing if it is not the case.
7133 */
7134 (void) rmdir(dir);
7135 }
7136 }
7137
7138 return r;
7139 }
7140
7141 static int systemctl_help(void) {
7142 _cleanup_free_ char *link = NULL;
7143 int r;
7144
7145 (void) pager_open(arg_pager_flags);
7146
7147 r = terminal_urlify_man("systemctl", "1", &link);
7148 if (r < 0)
7149 return log_oom();
7150
7151 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
7152 "Query or send control commands to the systemd manager.\n\n"
7153 " -h --help Show this help\n"
7154 " --version Show package version\n"
7155 " --system Connect to system manager\n"
7156 " --user Connect to user service manager\n"
7157 " -H --host=[USER@]HOST\n"
7158 " Operate on remote host\n"
7159 " -M --machine=CONTAINER\n"
7160 " Operate on local container\n"
7161 " -t --type=TYPE List units of a particular type\n"
7162 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7163 " -p --property=NAME Show only properties by this name\n"
7164 " -a --all Show all properties/all units currently in memory,\n"
7165 " including dead/empty ones. To list all units installed on\n"
7166 " the system, use the 'list-unit-files' command instead.\n"
7167 " --failed Same as --state=failed\n"
7168 " -l --full Don't ellipsize unit names on output\n"
7169 " -r --recursive Show unit list of host and local containers\n"
7170 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7171 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7172 " queueing a new job\n"
7173 " --show-types When showing sockets, explicitly show their type\n"
7174 " --value When showing properties, only print the value\n"
7175 " -i --ignore-inhibitors\n"
7176 " When shutting down or sleeping, ignore inhibitors\n"
7177 " --kill-who=WHO Who to send signal to\n"
7178 " -s --signal=SIGNAL Which signal to send\n"
7179 " --now Start or stop unit in addition to enabling or disabling it\n"
7180 " --dry-run Only print what would be done\n"
7181 " -q --quiet Suppress output\n"
7182 " --wait For (re)start, wait until service stopped again\n"
7183 " For is-system-running, wait until startup is completed\n"
7184 " --no-block Do not wait until operation finished\n"
7185 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7186 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7187 " --no-legend Do not print a legend (column headers and hints)\n"
7188 " --no-pager Do not pipe output into a pager\n"
7189 " --no-ask-password\n"
7190 " Do not ask for system passwords\n"
7191 " --global Enable/disable/mask unit files globally\n"
7192 " --runtime Enable/disable/mask unit files temporarily until next\n"
7193 " reboot\n"
7194 " -f --force When enabling unit files, override existing symlinks\n"
7195 " When shutting down, execute action immediately\n"
7196 " --preset-mode= Apply only enable, only disable, or all presets\n"
7197 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7198 " directory\n"
7199 " -n --lines=INTEGER Number of journal entries to show\n"
7200 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7201 " short-iso, short-iso-precise, short-full,\n"
7202 " short-monotonic, short-unix,\n"
7203 " verbose, export, json, json-pretty, json-sse, cat)\n"
7204 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7205 " --plain Print unit dependencies as a list instead of a tree\n\n"
7206 "Unit Commands:\n"
7207 " list-units [PATTERN...] List units currently in memory\n"
7208 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7209 " ordered by address\n"
7210 " list-timers [PATTERN...] List timer units currently in memory,\n"
7211 " ordered by next elapse\n"
7212 " start UNIT... Start (activate) one or more units\n"
7213 " stop UNIT... Stop (deactivate) one or more units\n"
7214 " reload UNIT... Reload one or more units\n"
7215 " restart UNIT... Start or restart one or more units\n"
7216 " try-restart UNIT... Restart one or more units if active\n"
7217 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7218 " otherwise start or restart\n"
7219 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7220 " if supported, otherwise restart\n"
7221 " isolate UNIT Start one unit and stop all others\n"
7222 " kill UNIT... Send signal to processes of a unit\n"
7223 " is-active PATTERN... Check whether units are active\n"
7224 " is-failed PATTERN... Check whether units are failed\n"
7225 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7226 " show [PATTERN...|JOB...] Show properties of one or more\n"
7227 " units/jobs or the manager\n"
7228 " cat PATTERN... Show files and drop-ins of specified units\n"
7229 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7230 " help PATTERN...|PID... Show manual for one or more units\n"
7231 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7232 " units\n"
7233 " list-dependencies [UNIT] Recursively show units which are required\n"
7234 " or wanted by this unit or by which this\n"
7235 " unit is required or wanted\n\n"
7236 "Unit File Commands:\n"
7237 " list-unit-files [PATTERN...] List installed unit files\n"
7238 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7239 " disable UNIT... Disable one or more unit files\n"
7240 " reenable UNIT... Reenable one or more unit files\n"
7241 " preset UNIT... Enable/disable one or more unit files\n"
7242 " based on preset configuration\n"
7243 " preset-all Enable/disable all unit files based on\n"
7244 " preset configuration\n"
7245 " is-enabled UNIT... Check whether unit files are enabled\n"
7246 " mask UNIT... Mask one or more units\n"
7247 " unmask UNIT... Unmask one or more units\n"
7248 " link PATH... Link one or more units files into\n"
7249 " the search path\n"
7250 " revert UNIT... Revert one or more unit files to vendor\n"
7251 " version\n"
7252 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7253 " on specified one or more units\n"
7254 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7255 " on specified one or more units\n"
7256 " edit UNIT... Edit one or more unit files\n"
7257 " get-default Get the name of the default target\n"
7258 " set-default TARGET Set the default target\n\n"
7259 "Machine Commands:\n"
7260 " list-machines [PATTERN...] List local containers and host\n\n"
7261 "Job Commands:\n"
7262 " list-jobs [PATTERN...] List jobs\n"
7263 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7264 "Environment Commands:\n"
7265 " show-environment Dump environment\n"
7266 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7267 " unset-environment VARIABLE... Unset one or more environment variables\n"
7268 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7269 "Manager Lifecycle Commands:\n"
7270 " daemon-reload Reload systemd manager configuration\n"
7271 " daemon-reexec Reexecute systemd manager\n\n"
7272 "System Commands:\n"
7273 " is-system-running Check whether system is fully running\n"
7274 " default Enter system default mode\n"
7275 " rescue Enter system rescue mode\n"
7276 " emergency Enter system emergency mode\n"
7277 " halt Shut down and halt the system\n"
7278 " poweroff Shut down and power-off the system\n"
7279 " reboot [ARG] Shut down and reboot the system\n"
7280 " kexec Shut down and reboot the system with kexec\n"
7281 " exit [EXIT_CODE] Request user instance or container exit\n"
7282 " switch-root ROOT [INIT] Change to a different root file system\n"
7283 " suspend Suspend the system\n"
7284 " hibernate Hibernate the system\n"
7285 " hybrid-sleep Hibernate and suspend the system\n"
7286 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7287 " time and put it into hibernate\n"
7288 "\nSee the %s for details.\n"
7289 , program_invocation_short_name
7290 , link
7291 );
7292
7293 return 0;
7294 }
7295
7296 static int halt_help(void) {
7297 _cleanup_free_ char *link = NULL;
7298 int r;
7299
7300 r = terminal_urlify_man("halt", "8", &link);
7301 if (r < 0)
7302 return log_oom();
7303
7304 printf("%s [OPTIONS...]%s\n\n"
7305 "%s the system.\n\n"
7306 " --help Show this help\n"
7307 " --halt Halt the machine\n"
7308 " -p --poweroff Switch off the machine\n"
7309 " --reboot Reboot the machine\n"
7310 " -f --force Force immediate halt/power-off/reboot\n"
7311 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7312 " -d --no-wtmp Don't write wtmp record\n"
7313 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7314 "\nSee the %s for details.\n"
7315 , program_invocation_short_name
7316 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7317 arg_action == ACTION_REBOOT ? "Reboot" :
7318 arg_action == ACTION_POWEROFF ? "Power off" :
7319 "Halt"
7320 , link
7321 );
7322
7323 return 0;
7324 }
7325
7326 static int shutdown_help(void) {
7327 _cleanup_free_ char *link = NULL;
7328 int r;
7329
7330 r = terminal_urlify_man("shutdown", "8", &link);
7331 if (r < 0)
7332 return log_oom();
7333
7334 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7335 "Shut down the system.\n\n"
7336 " --help Show this help\n"
7337 " -H --halt Halt the machine\n"
7338 " -P --poweroff Power-off the machine\n"
7339 " -r --reboot Reboot the machine\n"
7340 " -h Equivalent to --poweroff, overridden by --halt\n"
7341 " -k Don't halt/power-off/reboot, just send warnings\n"
7342 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7343 " -c Cancel a pending shutdown\n"
7344 "\nSee the %s for details.\n"
7345 , program_invocation_short_name
7346 , link
7347 );
7348
7349 return 0;
7350 }
7351
7352 static int telinit_help(void) {
7353 _cleanup_free_ char *link = NULL;
7354 int r;
7355
7356 r = terminal_urlify_man("telinit", "8", &link);
7357 if (r < 0)
7358 return log_oom();
7359
7360 printf("%s [OPTIONS...] {COMMAND}\n\n"
7361 "Send control commands to the init daemon.\n\n"
7362 " --help Show this help\n"
7363 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7364 "Commands:\n"
7365 " 0 Power-off the machine\n"
7366 " 6 Reboot the machine\n"
7367 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7368 " 1, s, S Enter rescue mode\n"
7369 " q, Q Reload init daemon configuration\n"
7370 " u, U Reexecute init daemon\n"
7371 "\nSee the %s for details.\n"
7372 , program_invocation_short_name
7373 , link
7374 );
7375
7376 return 0;
7377 }
7378
7379 static int runlevel_help(void) {
7380 _cleanup_free_ char *link = NULL;
7381 int r;
7382
7383 r = terminal_urlify_man("runlevel", "8", &link);
7384 if (r < 0)
7385 return log_oom();
7386
7387 printf("%s [OPTIONS...]\n\n"
7388 "Prints the previous and current runlevel of the init system.\n\n"
7389 " --help Show this help\n"
7390 "\nSee the %s for details.\n"
7391 , program_invocation_short_name
7392 , link
7393 );
7394
7395 return 0;
7396 }
7397
7398 static void help_types(void) {
7399 if (!arg_no_legend)
7400 puts("Available unit types:");
7401
7402 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7403 }
7404
7405 static void help_states(void) {
7406 if (!arg_no_legend)
7407 puts("Available unit load states:");
7408 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7409
7410 if (!arg_no_legend)
7411 puts("\nAvailable unit active states:");
7412 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7413
7414 if (!arg_no_legend)
7415 puts("\nAvailable automount unit substates:");
7416 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7417
7418 if (!arg_no_legend)
7419 puts("\nAvailable device unit substates:");
7420 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7421
7422 if (!arg_no_legend)
7423 puts("\nAvailable mount unit substates:");
7424 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7425
7426 if (!arg_no_legend)
7427 puts("\nAvailable path unit substates:");
7428 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7429
7430 if (!arg_no_legend)
7431 puts("\nAvailable scope unit substates:");
7432 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7433
7434 if (!arg_no_legend)
7435 puts("\nAvailable service unit substates:");
7436 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7437
7438 if (!arg_no_legend)
7439 puts("\nAvailable slice unit substates:");
7440 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7441
7442 if (!arg_no_legend)
7443 puts("\nAvailable socket unit substates:");
7444 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7445
7446 if (!arg_no_legend)
7447 puts("\nAvailable swap unit substates:");
7448 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7449
7450 if (!arg_no_legend)
7451 puts("\nAvailable target unit substates:");
7452 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7453
7454 if (!arg_no_legend)
7455 puts("\nAvailable timer unit substates:");
7456 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7457 }
7458
7459 static int systemctl_parse_argv(int argc, char *argv[]) {
7460 enum {
7461 ARG_FAIL = 0x100,
7462 ARG_REVERSE,
7463 ARG_AFTER,
7464 ARG_BEFORE,
7465 ARG_DRY_RUN,
7466 ARG_SHOW_TYPES,
7467 ARG_IRREVERSIBLE,
7468 ARG_IGNORE_DEPENDENCIES,
7469 ARG_VALUE,
7470 ARG_VERSION,
7471 ARG_USER,
7472 ARG_SYSTEM,
7473 ARG_GLOBAL,
7474 ARG_NO_BLOCK,
7475 ARG_NO_LEGEND,
7476 ARG_NO_PAGER,
7477 ARG_NO_WALL,
7478 ARG_ROOT,
7479 ARG_NO_RELOAD,
7480 ARG_KILL_WHO,
7481 ARG_NO_ASK_PASSWORD,
7482 ARG_FAILED,
7483 ARG_RUNTIME,
7484 ARG_PLAIN,
7485 ARG_STATE,
7486 ARG_JOB_MODE,
7487 ARG_PRESET_MODE,
7488 ARG_FIRMWARE_SETUP,
7489 ARG_NOW,
7490 ARG_MESSAGE,
7491 ARG_WAIT,
7492 };
7493
7494 static const struct option options[] = {
7495 { "help", no_argument, NULL, 'h' },
7496 { "version", no_argument, NULL, ARG_VERSION },
7497 { "type", required_argument, NULL, 't' },
7498 { "property", required_argument, NULL, 'p' },
7499 { "all", no_argument, NULL, 'a' },
7500 { "reverse", no_argument, NULL, ARG_REVERSE },
7501 { "after", no_argument, NULL, ARG_AFTER },
7502 { "before", no_argument, NULL, ARG_BEFORE },
7503 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
7504 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
7505 { "full", no_argument, NULL, 'l' },
7506 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
7507 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
7508 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
7509 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
7510 { "ignore-inhibitors", no_argument, NULL, 'i' },
7511 { "value", no_argument, NULL, ARG_VALUE },
7512 { "user", no_argument, NULL, ARG_USER },
7513 { "system", no_argument, NULL, ARG_SYSTEM },
7514 { "global", no_argument, NULL, ARG_GLOBAL },
7515 { "wait", no_argument, NULL, ARG_WAIT },
7516 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
7517 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
7518 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
7519 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7520 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
7521 { "quiet", no_argument, NULL, 'q' },
7522 { "root", required_argument, NULL, ARG_ROOT },
7523 { "force", no_argument, NULL, 'f' },
7524 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
7525 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
7526 { "signal", required_argument, NULL, 's' },
7527 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
7528 { "host", required_argument, NULL, 'H' },
7529 { "machine", required_argument, NULL, 'M' },
7530 { "runtime", no_argument, NULL, ARG_RUNTIME },
7531 { "lines", required_argument, NULL, 'n' },
7532 { "output", required_argument, NULL, 'o' },
7533 { "plain", no_argument, NULL, ARG_PLAIN },
7534 { "state", required_argument, NULL, ARG_STATE },
7535 { "recursive", no_argument, NULL, 'r' },
7536 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
7537 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
7538 { "now", no_argument, NULL, ARG_NOW },
7539 { "message", required_argument, NULL, ARG_MESSAGE },
7540 {}
7541 };
7542
7543 const char *p;
7544 int c, r;
7545
7546 assert(argc >= 0);
7547 assert(argv);
7548
7549 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
7550 arg_ask_password = true;
7551
7552 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
7553
7554 switch (c) {
7555
7556 case 'h':
7557 return systemctl_help();
7558
7559 case ARG_VERSION:
7560 return version();
7561
7562 case 't': {
7563 if (isempty(optarg))
7564 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7565 "--type= requires arguments.");
7566
7567 for (p = optarg;;) {
7568 _cleanup_free_ char *type = NULL;
7569
7570 r = extract_first_word(&p, &type, ",", 0);
7571 if (r < 0)
7572 return log_error_errno(r, "Failed to parse type: %s", optarg);
7573 if (r == 0)
7574 break;
7575
7576 if (streq(type, "help")) {
7577 help_types();
7578 return 0;
7579 }
7580
7581 if (unit_type_from_string(type) >= 0) {
7582 if (strv_push(&arg_types, type) < 0)
7583 return log_oom();
7584 type = NULL;
7585 continue;
7586 }
7587
7588 /* It's much nicer to use --state= for
7589 * load states, but let's support this
7590 * in --types= too for compatibility
7591 * with old versions */
7592 if (unit_load_state_from_string(type) >= 0) {
7593 if (strv_push(&arg_states, type) < 0)
7594 return log_oom();
7595 type = NULL;
7596 continue;
7597 }
7598
7599 log_error("Unknown unit type or load state '%s'.", type);
7600 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
7601 "Use -t help to see a list of allowed values.");
7602 }
7603
7604 break;
7605 }
7606
7607 case 'p': {
7608 /* Make sure that if the empty property list
7609 was specified, we won't show any properties. */
7610 if (isempty(optarg) && !arg_properties) {
7611 arg_properties = new0(char*, 1);
7612 if (!arg_properties)
7613 return log_oom();
7614 } else
7615 for (p = optarg;;) {
7616 _cleanup_free_ char *prop = NULL;
7617
7618 r = extract_first_word(&p, &prop, ",", 0);
7619 if (r < 0)
7620 return log_error_errno(r, "Failed to parse property: %s", optarg);
7621 if (r == 0)
7622 break;
7623
7624 if (strv_push(&arg_properties, prop) < 0)
7625 return log_oom();
7626
7627 prop = NULL;
7628 }
7629
7630 /* If the user asked for a particular
7631 * property, show it to him, even if it is
7632 * empty. */
7633 arg_all = true;
7634
7635 break;
7636 }
7637
7638 case 'a':
7639 arg_all = true;
7640 break;
7641
7642 case ARG_REVERSE:
7643 arg_dependency = DEPENDENCY_REVERSE;
7644 break;
7645
7646 case ARG_AFTER:
7647 arg_dependency = DEPENDENCY_AFTER;
7648 arg_jobs_after = true;
7649 break;
7650
7651 case ARG_BEFORE:
7652 arg_dependency = DEPENDENCY_BEFORE;
7653 arg_jobs_before = true;
7654 break;
7655
7656 case ARG_SHOW_TYPES:
7657 arg_show_types = true;
7658 break;
7659
7660 case ARG_VALUE:
7661 arg_value = true;
7662 break;
7663
7664 case ARG_JOB_MODE:
7665 arg_job_mode = optarg;
7666 break;
7667
7668 case ARG_FAIL:
7669 arg_job_mode = "fail";
7670 break;
7671
7672 case ARG_IRREVERSIBLE:
7673 arg_job_mode = "replace-irreversibly";
7674 break;
7675
7676 case ARG_IGNORE_DEPENDENCIES:
7677 arg_job_mode = "ignore-dependencies";
7678 break;
7679
7680 case ARG_USER:
7681 arg_scope = UNIT_FILE_USER;
7682 break;
7683
7684 case ARG_SYSTEM:
7685 arg_scope = UNIT_FILE_SYSTEM;
7686 break;
7687
7688 case ARG_GLOBAL:
7689 arg_scope = UNIT_FILE_GLOBAL;
7690 break;
7691
7692 case ARG_WAIT:
7693 arg_wait = true;
7694 break;
7695
7696 case ARG_NO_BLOCK:
7697 arg_no_block = true;
7698 break;
7699
7700 case ARG_NO_LEGEND:
7701 arg_no_legend = true;
7702 break;
7703
7704 case ARG_NO_PAGER:
7705 arg_pager_flags |= PAGER_DISABLE;
7706 break;
7707
7708 case ARG_NO_WALL:
7709 arg_no_wall = true;
7710 break;
7711
7712 case ARG_ROOT:
7713 r = parse_path_argument_and_warn(optarg, false, &arg_root);
7714 if (r < 0)
7715 return r;
7716 break;
7717
7718 case 'l':
7719 arg_full = true;
7720 break;
7721
7722 case ARG_FAILED:
7723 if (strv_extend(&arg_states, "failed") < 0)
7724 return log_oom();
7725
7726 break;
7727
7728 case ARG_DRY_RUN:
7729 arg_dry_run = true;
7730 break;
7731
7732 case 'q':
7733 arg_quiet = true;
7734 break;
7735
7736 case 'f':
7737 arg_force++;
7738 break;
7739
7740 case ARG_NO_RELOAD:
7741 arg_no_reload = true;
7742 break;
7743
7744 case ARG_KILL_WHO:
7745 arg_kill_who = optarg;
7746 break;
7747
7748 case 's':
7749 if (streq(optarg, "help")) {
7750 DUMP_STRING_TABLE(signal, int, _NSIG);
7751 return 0;
7752 }
7753
7754 arg_signal = signal_from_string(optarg);
7755 if (arg_signal < 0)
7756 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7757 "Failed to parse signal string %s.",
7758 optarg);
7759 break;
7760
7761 case ARG_NO_ASK_PASSWORD:
7762 arg_ask_password = false;
7763 break;
7764
7765 case 'H':
7766 arg_transport = BUS_TRANSPORT_REMOTE;
7767 arg_host = optarg;
7768 break;
7769
7770 case 'M':
7771 arg_transport = BUS_TRANSPORT_MACHINE;
7772 arg_host = optarg;
7773 break;
7774
7775 case ARG_RUNTIME:
7776 arg_runtime = true;
7777 break;
7778
7779 case 'n':
7780 if (safe_atou(optarg, &arg_lines) < 0)
7781 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7782 "Failed to parse lines '%s'",
7783 optarg);
7784 break;
7785
7786 case 'o':
7787 if (streq(optarg, "help")) {
7788 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
7789 return 0;
7790 }
7791
7792 arg_output = output_mode_from_string(optarg);
7793 if (arg_output < 0)
7794 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7795 "Unknown output '%s'.",
7796 optarg);
7797 break;
7798
7799 case 'i':
7800 arg_ignore_inhibitors = true;
7801 break;
7802
7803 case ARG_PLAIN:
7804 arg_plain = true;
7805 break;
7806
7807 case ARG_FIRMWARE_SETUP:
7808 arg_firmware_setup = true;
7809 break;
7810
7811 case ARG_STATE: {
7812 if (isempty(optarg))
7813 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7814 "--state= requires arguments.");
7815
7816 for (p = optarg;;) {
7817 _cleanup_free_ char *s = NULL;
7818
7819 r = extract_first_word(&p, &s, ",", 0);
7820 if (r < 0)
7821 return log_error_errno(r, "Failed to parse state: %s", optarg);
7822 if (r == 0)
7823 break;
7824
7825 if (streq(s, "help")) {
7826 help_states();
7827 return 0;
7828 }
7829
7830 if (strv_push(&arg_states, s) < 0)
7831 return log_oom();
7832
7833 s = NULL;
7834 }
7835 break;
7836 }
7837
7838 case 'r':
7839 if (geteuid() != 0)
7840 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
7841 "--recursive requires root privileges.");
7842
7843 arg_recursive = true;
7844 break;
7845
7846 case ARG_PRESET_MODE:
7847 if (streq(optarg, "help")) {
7848 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
7849 return 0;
7850 }
7851
7852 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
7853 if (arg_preset_mode < 0)
7854 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7855 "Failed to parse preset mode: %s.", optarg);
7856
7857 break;
7858
7859 case ARG_NOW:
7860 arg_now = true;
7861 break;
7862
7863 case ARG_MESSAGE:
7864 if (strv_extend(&arg_wall, optarg) < 0)
7865 return log_oom();
7866 break;
7867
7868 case '?':
7869 return -EINVAL;
7870
7871 default:
7872 assert_not_reached("Unhandled option");
7873 }
7874
7875 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
7876 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7877 "Cannot access user instance remotely.");
7878
7879 if (arg_wait && arg_no_block)
7880 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7881 "--wait may not be combined with --no-block.");
7882
7883 if (arg_runtime && STRPTR_IN_SET(argv[optind], "disable", "unmask", "preset", "preset-all"))
7884 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7885 "--runtime cannot be used with %s",
7886 argv[optind]);
7887
7888 return 1;
7889 }
7890
7891 static int halt_parse_argv(int argc, char *argv[]) {
7892 enum {
7893 ARG_HELP = 0x100,
7894 ARG_HALT,
7895 ARG_REBOOT,
7896 ARG_NO_WALL
7897 };
7898
7899 static const struct option options[] = {
7900 { "help", no_argument, NULL, ARG_HELP },
7901 { "halt", no_argument, NULL, ARG_HALT },
7902 { "poweroff", no_argument, NULL, 'p' },
7903 { "reboot", no_argument, NULL, ARG_REBOOT },
7904 { "force", no_argument, NULL, 'f' },
7905 { "wtmp-only", no_argument, NULL, 'w' },
7906 { "no-wtmp", no_argument, NULL, 'd' },
7907 { "no-sync", no_argument, NULL, 'n' },
7908 { "no-wall", no_argument, NULL, ARG_NO_WALL },
7909 {}
7910 };
7911
7912 int c, r, runlevel;
7913
7914 assert(argc >= 0);
7915 assert(argv);
7916
7917 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
7918 if (IN_SET(runlevel, '0', '6'))
7919 arg_force = 2;
7920
7921 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
7922 switch (c) {
7923
7924 case ARG_HELP:
7925 return halt_help();
7926
7927 case ARG_HALT:
7928 arg_action = ACTION_HALT;
7929 break;
7930
7931 case 'p':
7932 if (arg_action != ACTION_REBOOT)
7933 arg_action = ACTION_POWEROFF;
7934 break;
7935
7936 case ARG_REBOOT:
7937 arg_action = ACTION_REBOOT;
7938 break;
7939
7940 case 'f':
7941 arg_force = 2;
7942 break;
7943
7944 case 'w':
7945 arg_dry_run = true;
7946 break;
7947
7948 case 'd':
7949 arg_no_wtmp = true;
7950 break;
7951
7952 case 'n':
7953 arg_no_sync = true;
7954 break;
7955
7956 case ARG_NO_WALL:
7957 arg_no_wall = true;
7958 break;
7959
7960 case 'i':
7961 case 'h':
7962 /* Compatibility nops */
7963 break;
7964
7965 case '?':
7966 return -EINVAL;
7967
7968 default:
7969 assert_not_reached("Unhandled option");
7970 }
7971
7972 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
7973 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL);
7974 if (r < 0)
7975 return r;
7976 } else if (optind < argc)
7977 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
7978 "Too many arguments.");
7979
7980 return 1;
7981 }
7982
7983 static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
7984 assert(t);
7985 assert(_u);
7986
7987 if (streq(t, "now"))
7988 *_u = 0;
7989 else if (!strchr(t, ':')) {
7990 uint64_t u;
7991
7992 if (safe_atou64(t, &u) < 0)
7993 return -EINVAL;
7994
7995 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
7996 } else {
7997 char *e = NULL;
7998 long hour, minute;
7999 struct tm tm = {};
8000 time_t s;
8001 usec_t n;
8002
8003 errno = 0;
8004 hour = strtol(t, &e, 10);
8005 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
8006 return -EINVAL;
8007
8008 minute = strtol(e+1, &e, 10);
8009 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
8010 return -EINVAL;
8011
8012 n = now(CLOCK_REALTIME);
8013 s = (time_t) (n / USEC_PER_SEC);
8014
8015 assert_se(localtime_r(&s, &tm));
8016
8017 tm.tm_hour = (int) hour;
8018 tm.tm_min = (int) minute;
8019 tm.tm_sec = 0;
8020
8021 s = mktime(&tm);
8022 assert(s >= 0);
8023
8024 *_u = (usec_t) s * USEC_PER_SEC;
8025
8026 while (*_u <= n)
8027 *_u += USEC_PER_DAY;
8028 }
8029
8030 return 0;
8031 }
8032
8033 static int shutdown_parse_argv(int argc, char *argv[]) {
8034 enum {
8035 ARG_HELP = 0x100,
8036 ARG_NO_WALL
8037 };
8038
8039 static const struct option options[] = {
8040 { "help", no_argument, NULL, ARG_HELP },
8041 { "halt", no_argument, NULL, 'H' },
8042 { "poweroff", no_argument, NULL, 'P' },
8043 { "reboot", no_argument, NULL, 'r' },
8044 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8045 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8046 {}
8047 };
8048
8049 char **wall = NULL;
8050 int c, r;
8051
8052 assert(argc >= 0);
8053 assert(argv);
8054
8055 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8056 switch (c) {
8057
8058 case ARG_HELP:
8059 return shutdown_help();
8060
8061 case 'H':
8062 arg_action = ACTION_HALT;
8063 break;
8064
8065 case 'P':
8066 arg_action = ACTION_POWEROFF;
8067 break;
8068
8069 case 'r':
8070 if (kexec_loaded())
8071 arg_action = ACTION_KEXEC;
8072 else
8073 arg_action = ACTION_REBOOT;
8074 break;
8075
8076 case 'K':
8077 arg_action = ACTION_KEXEC;
8078 break;
8079
8080 case 'h':
8081 if (arg_action != ACTION_HALT)
8082 arg_action = ACTION_POWEROFF;
8083 break;
8084
8085 case 'k':
8086 arg_dry_run = true;
8087 break;
8088
8089 case ARG_NO_WALL:
8090 arg_no_wall = true;
8091 break;
8092
8093 case 'a':
8094 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8095 case 'f':
8096 case 'F':
8097 /* Compatibility nops */
8098 break;
8099
8100 case 'c':
8101 arg_action = ACTION_CANCEL_SHUTDOWN;
8102 break;
8103
8104 case '?':
8105 return -EINVAL;
8106
8107 default:
8108 assert_not_reached("Unhandled option");
8109 }
8110
8111 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8112 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8113 if (r < 0) {
8114 log_error("Failed to parse time specification: %s", argv[optind]);
8115 return r;
8116 }
8117 } else
8118 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8119
8120 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8121 /* No time argument for shutdown cancel */
8122 wall = argv + optind;
8123 else if (argc > optind + 1)
8124 /* We skip the time argument */
8125 wall = argv + optind + 1;
8126
8127 if (wall) {
8128 arg_wall = strv_copy(wall);
8129 if (!arg_wall)
8130 return log_oom();
8131 }
8132
8133 optind = argc;
8134
8135 return 1;
8136 }
8137
8138 static int telinit_parse_argv(int argc, char *argv[]) {
8139 enum {
8140 ARG_HELP = 0x100,
8141 ARG_NO_WALL
8142 };
8143
8144 static const struct option options[] = {
8145 { "help", no_argument, NULL, ARG_HELP },
8146 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8147 {}
8148 };
8149
8150 static const struct {
8151 char from;
8152 enum action to;
8153 } table[] = {
8154 { '0', ACTION_POWEROFF },
8155 { '6', ACTION_REBOOT },
8156 { '1', ACTION_RESCUE },
8157 { '2', ACTION_RUNLEVEL2 },
8158 { '3', ACTION_RUNLEVEL3 },
8159 { '4', ACTION_RUNLEVEL4 },
8160 { '5', ACTION_RUNLEVEL5 },
8161 { 's', ACTION_RESCUE },
8162 { 'S', ACTION_RESCUE },
8163 { 'q', ACTION_RELOAD },
8164 { 'Q', ACTION_RELOAD },
8165 { 'u', ACTION_REEXEC },
8166 { 'U', ACTION_REEXEC }
8167 };
8168
8169 unsigned i;
8170 int c;
8171
8172 assert(argc >= 0);
8173 assert(argv);
8174
8175 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8176 switch (c) {
8177
8178 case ARG_HELP:
8179 return telinit_help();
8180
8181 case ARG_NO_WALL:
8182 arg_no_wall = true;
8183 break;
8184
8185 case '?':
8186 return -EINVAL;
8187
8188 default:
8189 assert_not_reached("Unhandled option");
8190 }
8191
8192 if (optind >= argc)
8193 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8194 "%s: required argument missing.",
8195 program_invocation_short_name);
8196
8197 if (optind + 1 < argc)
8198 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8199 "Too many arguments.");
8200
8201 if (strlen(argv[optind]) != 1)
8202 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8203 "Expected single character argument.");
8204
8205 for (i = 0; i < ELEMENTSOF(table); i++)
8206 if (table[i].from == argv[optind][0])
8207 break;
8208
8209 if (i >= ELEMENTSOF(table))
8210 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8211 "Unknown command '%s'.", argv[optind]);
8212
8213 arg_action = table[i].to;
8214
8215 optind++;
8216
8217 return 1;
8218 }
8219
8220 static int runlevel_parse_argv(int argc, char *argv[]) {
8221 enum {
8222 ARG_HELP = 0x100,
8223 };
8224
8225 static const struct option options[] = {
8226 { "help", no_argument, NULL, ARG_HELP },
8227 {}
8228 };
8229
8230 int c;
8231
8232 assert(argc >= 0);
8233 assert(argv);
8234
8235 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8236 switch (c) {
8237
8238 case ARG_HELP:
8239 return runlevel_help();
8240
8241 case '?':
8242 return -EINVAL;
8243
8244 default:
8245 assert_not_reached("Unhandled option");
8246 }
8247
8248 if (optind < argc)
8249 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8250 "Too many arguments.");
8251
8252 return 1;
8253 }
8254
8255 static int parse_argv(int argc, char *argv[]) {
8256 assert(argc >= 0);
8257 assert(argv);
8258
8259 if (program_invocation_short_name) {
8260
8261 if (strstr(program_invocation_short_name, "halt")) {
8262 arg_action = ACTION_HALT;
8263 return halt_parse_argv(argc, argv);
8264
8265 } else if (strstr(program_invocation_short_name, "poweroff")) {
8266 arg_action = ACTION_POWEROFF;
8267 return halt_parse_argv(argc, argv);
8268
8269 } else if (strstr(program_invocation_short_name, "reboot")) {
8270 if (kexec_loaded())
8271 arg_action = ACTION_KEXEC;
8272 else
8273 arg_action = ACTION_REBOOT;
8274 return halt_parse_argv(argc, argv);
8275
8276 } else if (strstr(program_invocation_short_name, "shutdown")) {
8277 arg_action = ACTION_POWEROFF;
8278 return shutdown_parse_argv(argc, argv);
8279
8280 } else if (strstr(program_invocation_short_name, "init")) {
8281
8282 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8283 * 1 on SysV.
8284 *
8285 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8286 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8287 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8288 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8289 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8290 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8291 * quick way to match both.
8292 *
8293 * Also see redirect_telinit() in src/core/main.c. */
8294
8295 if (sd_booted() > 0) {
8296 arg_action = _ACTION_INVALID;
8297 return telinit_parse_argv(argc, argv);
8298 } else {
8299 /* Hmm, so some other init system is running, we need to forward this request to
8300 * it. For now we simply guess that it is Upstart. */
8301
8302 execv(TELINIT, argv);
8303
8304 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8305 "Couldn't find an alternative telinit implementation to spawn.");
8306 }
8307
8308 } else if (strstr(program_invocation_short_name, "runlevel")) {
8309 arg_action = ACTION_RUNLEVEL;
8310 return runlevel_parse_argv(argc, argv);
8311 }
8312 }
8313
8314 arg_action = ACTION_SYSTEMCTL;
8315 return systemctl_parse_argv(argc, argv);
8316 }
8317
8318 #if HAVE_SYSV_COMPAT
8319 _pure_ static int action_to_runlevel(void) {
8320 static const char table[_ACTION_MAX] = {
8321 [ACTION_HALT] = '0',
8322 [ACTION_POWEROFF] = '0',
8323 [ACTION_REBOOT] = '6',
8324 [ACTION_RUNLEVEL2] = '2',
8325 [ACTION_RUNLEVEL3] = '3',
8326 [ACTION_RUNLEVEL4] = '4',
8327 [ACTION_RUNLEVEL5] = '5',
8328 [ACTION_RESCUE] = '1'
8329 };
8330
8331 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8332
8333 return table[arg_action];
8334 }
8335 #endif
8336
8337 static int talk_initctl(void) {
8338 #if HAVE_SYSV_COMPAT
8339 struct init_request request = {
8340 .magic = INIT_MAGIC,
8341 .sleeptime = 0,
8342 .cmd = INIT_CMD_RUNLVL
8343 };
8344
8345 _cleanup_close_ int fd = -1;
8346 char rl;
8347 int r;
8348 const char *p;
8349
8350 rl = action_to_runlevel();
8351 if (!rl)
8352 return 0;
8353
8354 request.runlevel = rl;
8355
8356 FOREACH_STRING(p, "/run/initctl", "/dev/initctl") {
8357 fd = open(p, O_WRONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY);
8358 if (fd >= 0 || errno != ENOENT)
8359 break;
8360 }
8361 if (fd < 0) {
8362 if (errno == ENOENT)
8363 return 0;
8364
8365 return log_error_errno(errno, "Failed to open initctl fifo: %m");
8366 }
8367
8368 r = loop_write(fd, &request, sizeof(request), false);
8369 if (r < 0)
8370 return log_error_errno(r, "Failed to write to %s: %m", p);
8371
8372 return 1;
8373 #else
8374 return 0;
8375 #endif
8376 }
8377
8378 static int systemctl_main(int argc, char *argv[]) {
8379 static const Verb verbs[] = {
8380 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8381 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8382 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8383 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8384 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8385 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines },
8386 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8387 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8388 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8389 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8390 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8391 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8392 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8393 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8394 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8395 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */
8396 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8397 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8398 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8399 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8400 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8401 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8402 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8403 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8404 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8405 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8406 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8407 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8408 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8409 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8410 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8411 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8412 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8413 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8414 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8415 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8416 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8417 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8418 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8419 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8420 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8421 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8422 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8423 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8424 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8425 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8426 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8427 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8428 { "enable", 2, VERB_ANY, 0, enable_unit },
8429 { "disable", 2, VERB_ANY, 0, enable_unit },
8430 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8431 { "reenable", 2, VERB_ANY, 0, enable_unit },
8432 { "preset", 2, VERB_ANY, 0, enable_unit },
8433 { "preset-all", VERB_ANY, 1, 0, preset_all },
8434 { "mask", 2, VERB_ANY, 0, enable_unit },
8435 { "unmask", 2, VERB_ANY, 0, enable_unit },
8436 { "link", 2, VERB_ANY, 0, enable_unit },
8437 { "revert", 2, VERB_ANY, 0, enable_unit },
8438 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8439 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8440 { "set-default", 2, 2, 0, set_default },
8441 { "get-default", VERB_ANY, 1, 0, get_default },
8442 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8443 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8444 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8445 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8446 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8447 {}
8448 };
8449
8450 return dispatch_verb(argc, argv, verbs, NULL);
8451 }
8452
8453 static int reload_with_fallback(void) {
8454 /* First, try systemd via D-Bus. */
8455 if (daemon_reload(0, NULL, NULL) >= 0)
8456 return 0;
8457
8458 /* Nothing else worked, so let's try signals */
8459 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8460
8461 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8462 return log_error_errno(errno, "kill() failed: %m");
8463
8464 return 0;
8465 }
8466
8467 static int start_with_fallback(void) {
8468 /* First, try systemd via D-Bus. */
8469 if (start_unit(0, NULL, NULL) >= 0)
8470 return 0;
8471
8472 /* Nothing else worked, so let's try /dev/initctl */
8473 if (talk_initctl() > 0)
8474 return 0;
8475
8476 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8477 "Failed to talk to init daemon.");
8478 }
8479
8480 static int halt_now(enum action a) {
8481 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
8482 * synced explicitly in advance. */
8483 if (!arg_no_sync && !arg_dry_run)
8484 (void) sync();
8485
8486 /* Make sure C-A-D is handled by the kernel from this point on... */
8487 if (!arg_dry_run)
8488 (void) reboot(RB_ENABLE_CAD);
8489
8490 switch (a) {
8491
8492 case ACTION_HALT:
8493 if (!arg_quiet)
8494 log_info("Halting.");
8495 if (arg_dry_run)
8496 return 0;
8497 (void) reboot(RB_HALT_SYSTEM);
8498 return -errno;
8499
8500 case ACTION_POWEROFF:
8501 if (!arg_quiet)
8502 log_info("Powering off.");
8503 if (arg_dry_run)
8504 return 0;
8505 (void) reboot(RB_POWER_OFF);
8506 return -errno;
8507
8508 case ACTION_KEXEC:
8509 case ACTION_REBOOT:
8510 return reboot_with_parameter(REBOOT_FALLBACK |
8511 (arg_quiet ? 0 : REBOOT_LOG) |
8512 (arg_dry_run ? REBOOT_DRY_RUN : 0));
8513
8514 default:
8515 assert_not_reached("Unknown action.");
8516 }
8517 }
8518
8519 static int logind_schedule_shutdown(void) {
8520
8521 #if ENABLE_LOGIND
8522 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8523 char date[FORMAT_TIMESTAMP_MAX];
8524 const char *action;
8525 sd_bus *bus;
8526 int r;
8527
8528 r = acquire_bus(BUS_FULL, &bus);
8529 if (r < 0)
8530 return r;
8531
8532 switch (arg_action) {
8533 case ACTION_HALT:
8534 action = "halt";
8535 break;
8536 case ACTION_POWEROFF:
8537 action = "poweroff";
8538 break;
8539 case ACTION_KEXEC:
8540 action = "kexec";
8541 break;
8542 case ACTION_EXIT:
8543 action = "exit";
8544 break;
8545 case ACTION_REBOOT:
8546 default:
8547 action = "reboot";
8548 break;
8549 }
8550
8551 if (arg_dry_run)
8552 action = strjoina("dry-", action);
8553
8554 (void) logind_set_wall_message();
8555
8556 r = sd_bus_call_method(
8557 bus,
8558 "org.freedesktop.login1",
8559 "/org/freedesktop/login1",
8560 "org.freedesktop.login1.Manager",
8561 "ScheduleShutdown",
8562 &error,
8563 NULL,
8564 "st",
8565 action,
8566 arg_when);
8567 if (r < 0)
8568 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
8569
8570 if (!arg_quiet)
8571 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
8572 return 0;
8573 #else
8574 log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
8575 return -ENOSYS;
8576 #endif
8577 }
8578
8579 static int halt_main(void) {
8580 int r;
8581
8582 r = logind_check_inhibitors(arg_action);
8583 if (r < 0)
8584 return r;
8585
8586 /* Delayed shutdown requested, and was successful */
8587 if (arg_when > 0 && logind_schedule_shutdown() == 0)
8588 return 0;
8589 /* no delay, or logind failed or is not at all available */
8590
8591 if (geteuid() != 0) {
8592 if (arg_dry_run || arg_force > 0) {
8593 (void) must_be_root();
8594 return -EPERM;
8595 }
8596
8597 /* Try logind if we are a normal user and no special
8598 * mode applies. Maybe polkit allows us to shutdown
8599 * the machine. */
8600 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
8601 r = logind_reboot(arg_action);
8602 if (r >= 0)
8603 return r;
8604 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
8605 /* requested operation is not
8606 * supported on the local system or
8607 * already in progress */
8608 return r;
8609 /* on all other errors, try low-level operation */
8610 }
8611 }
8612
8613 /* In order to minimize the difference between operation with and
8614 * without logind, we explicitly enable non-blocking mode for this,
8615 * as logind's shutdown operations are always non-blocking. */
8616 arg_no_block = true;
8617
8618 if (!arg_dry_run && !arg_force)
8619 return start_with_fallback();
8620
8621 assert(geteuid() == 0);
8622
8623 if (!arg_no_wtmp) {
8624 if (sd_booted() > 0)
8625 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
8626 else {
8627 r = utmp_put_shutdown();
8628 if (r < 0)
8629 log_warning_errno(r, "Failed to write utmp record: %m");
8630 }
8631 }
8632
8633 if (arg_dry_run)
8634 return 0;
8635
8636 r = halt_now(arg_action);
8637 return log_error_errno(r, "Failed to reboot: %m");
8638 }
8639
8640 static int runlevel_main(void) {
8641 int r, runlevel, previous;
8642
8643 r = utmp_get_runlevel(&runlevel, &previous);
8644 if (r < 0) {
8645 puts("unknown");
8646 return r;
8647 }
8648
8649 printf("%c %c\n",
8650 previous <= 0 ? 'N' : previous,
8651 runlevel <= 0 ? 'N' : runlevel);
8652
8653 return 0;
8654 }
8655
8656 static int logind_cancel_shutdown(void) {
8657 #if ENABLE_LOGIND
8658 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
8659 sd_bus *bus;
8660 int r;
8661
8662 r = acquire_bus(BUS_FULL, &bus);
8663 if (r < 0)
8664 return r;
8665
8666 (void) logind_set_wall_message();
8667
8668 r = sd_bus_call_method(
8669 bus,
8670 "org.freedesktop.login1",
8671 "/org/freedesktop/login1",
8672 "org.freedesktop.login1.Manager",
8673 "CancelScheduledShutdown",
8674 &error,
8675 NULL, NULL);
8676 if (r < 0)
8677 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
8678
8679 return 0;
8680 #else
8681 log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
8682 return -ENOSYS;
8683 #endif
8684 }
8685
8686 static int run(int argc, char *argv[]) {
8687 int r;
8688
8689 argv_cmdline = argv[0];
8690
8691 setlocale(LC_ALL, "");
8692 log_parse_environment();
8693 log_open();
8694
8695 /* The journal merging logic potentially needs a lot of fds. */
8696 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
8697
8698 sigbus_install();
8699
8700 /* Explicitly not on_tty() to avoid setting cached value.
8701 * This becomes relevant for piping output which might be
8702 * ellipsized. */
8703 original_stdout_is_tty = isatty(STDOUT_FILENO);
8704
8705 r = parse_argv(argc, argv);
8706 if (r <= 0)
8707 goto finish;
8708
8709 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
8710 if (!arg_quiet)
8711 log_info("Running in chroot, ignoring request.");
8712 r = 0;
8713 goto finish;
8714 }
8715
8716 /* systemctl_main() will print an error message for the bus
8717 * connection, but only if it needs to */
8718
8719 switch (arg_action) {
8720
8721 case ACTION_SYSTEMCTL:
8722 r = systemctl_main(argc, argv);
8723 break;
8724
8725 /* Legacy command aliases set arg_action. They provide some fallbacks,
8726 * e.g. to tell sysvinit to reboot after you have installed systemd
8727 * binaries. */
8728
8729 case ACTION_HALT:
8730 case ACTION_POWEROFF:
8731 case ACTION_REBOOT:
8732 case ACTION_KEXEC:
8733 r = halt_main();
8734 break;
8735
8736 case ACTION_RUNLEVEL2:
8737 case ACTION_RUNLEVEL3:
8738 case ACTION_RUNLEVEL4:
8739 case ACTION_RUNLEVEL5:
8740 case ACTION_RESCUE:
8741 r = start_with_fallback();
8742 break;
8743
8744 case ACTION_RELOAD:
8745 case ACTION_REEXEC:
8746 r = reload_with_fallback();
8747 break;
8748
8749 case ACTION_CANCEL_SHUTDOWN:
8750 r = logind_cancel_shutdown();
8751 break;
8752
8753 case ACTION_RUNLEVEL:
8754 r = runlevel_main();
8755 break;
8756
8757 case ACTION_EXIT:
8758 case ACTION_SUSPEND:
8759 case ACTION_HIBERNATE:
8760 case ACTION_HYBRID_SLEEP:
8761 case ACTION_SUSPEND_THEN_HIBERNATE:
8762 case ACTION_EMERGENCY:
8763 case ACTION_DEFAULT:
8764 /* systemctl verbs with no equivalent in the legacy commands.
8765 * These cannot appear in arg_action. Fall through. */
8766
8767 case _ACTION_INVALID:
8768 default:
8769 assert_not_reached("Unknown action");
8770 }
8771
8772 finish:
8773 release_busses();
8774
8775 strv_free(arg_types);
8776 strv_free(arg_states);
8777 strv_free(arg_properties);
8778
8779 strv_free(arg_wall);
8780 free(arg_root);
8781 free(arg_esp_path);
8782
8783 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
8784 return r;
8785 }
8786
8787 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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