]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/systemctl.c
projects / thirdparty / systemd.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
dbus: export unit file state
[thirdparty/systemd.git] / src / systemctl.c
CommitLineData
d6c9574f 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
7e4249b9
LP		 2
3/***
4 This file is part of systemd.
5
6 Copyright 2010 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
e4b61340 22#include <sys/reboot.h>
7e4249b9
LP		 23#include <stdio.h>
24#include <getopt.h>
25#include <stdbool.h>
26#include <string.h>
27#include <errno.h>
28#include <sys/ioctl.h>
29#include <termios.h>
30#include <unistd.h>
eb22ac37 31#include <fcntl.h>
f1c5860b 32#include <sys/socket.h>
ee5762e3 33#include <sys/stat.h>
0e098b15 34#include <stddef.h>
501fc174 35#include <sys/prctl.h>
7e4249b9
LP		 36#include <dbus/dbus.h>
37
38#include "log.h"
39#include "util.h"
40#include "macro.h"
41#include "set.h"
e4b61340 42#include "utmp-wtmp.h"
514f4ef5 43#include "special.h"
eb22ac37 44#include "initreq.h"
e4a9373f 45#include "strv.h"
9a1ac7b9 46#include "dbus-common.h"
ab35fb1b 47#include "cgroup-show.h"
c6c18be3 48#include "cgroup-util.h"
582a507f 49#include "list.h"
ee5762e3
LP		 50#include "path-lookup.h"
51#include "conf-parser.h"
52#include "sd-daemon.h"
f6144808 53#include "shutdownd.h"
d06dacd0 54#include "exit-status.h"
22f4096c 55#include "bus-errors.h"
7d568925 56#include "build.h"
71fad675 57#include "unit-name.h"
1968a360 58#include "pager.h"
729e3769
LP		 59#include "spawn-agent.h"
60#include "install.h"
7e4249b9
LP		 61
62static const char *arg_type = NULL;
ea4a240d 63static char **arg_property = NULL;
7e4249b9 64static bool arg_all = false;
e67c3609 65static const char *arg_job_mode = "replace";
729e3769 66static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
e4b61340 67static bool arg_immediate = false;
ee5762e3 68static bool arg_no_block = false;
0736af98 69static bool arg_no_pager = false;
e4b61340
LP		 70static bool arg_no_wtmp = false;
71static bool arg_no_sync = false;
514f4ef5 72static bool arg_no_wall = false;
ee5762e3 73static bool arg_no_reload = false;
e4b61340 74static bool arg_dry = false;
0183528f 75static bool arg_quiet = false;
ee5762e3
LP		 76static bool arg_full = false;
77static bool arg_force = false;
501fc174 78static bool arg_ask_password = false;
30732560 79static bool arg_failed = false;
729e3769 80static bool arg_runtime = false;
e4b61340 81static char **arg_wall = NULL;
8a0867d6
LP		 82static const char *arg_kill_who = NULL;
83static const char *arg_kill_mode = NULL;
84static int arg_signal = SIGTERM;
69fc152f 85static const char *arg_root = NULL;
f6144808 86static usec_t arg_when = 0;
4445a875 87static enum action {
e4b61340
LP		 88 ACTION_INVALID,
89 ACTION_SYSTEMCTL,
90 ACTION_HALT,
91 ACTION_POWEROFF,
92 ACTION_REBOOT,
20b09ca7
LP		 93 ACTION_KEXEC,
94 ACTION_EXIT,
e4b61340
LP		 95 ACTION_RUNLEVEL2,
96 ACTION_RUNLEVEL3,
97 ACTION_RUNLEVEL4,
98 ACTION_RUNLEVEL5,
99 ACTION_RESCUE,
514f4ef5
LP		 100 ACTION_EMERGENCY,
101 ACTION_DEFAULT,
e4b61340
LP		 102 ACTION_RELOAD,
103 ACTION_REEXEC,
104 ACTION_RUNLEVEL,
f6144808 105 ACTION_CANCEL_SHUTDOWN,
e4b61340
LP		 106 _ACTION_MAX
107} arg_action = ACTION_SYSTEMCTL;
4445a875
LP		 108static enum dot {
109 DOT_ALL,
110 DOT_ORDER,
111 DOT_REQUIRE
112} arg_dot = DOT_ALL;
a8f11321
LP		 113static enum transport {
114 TRANSPORT_NORMAL,
115 TRANSPORT_SSH,
116 TRANSPORT_POLKIT
117} arg_transport = TRANSPORT_NORMAL;
118static const char *arg_host = NULL;
e4b61340 119
f4579ce7
LP		 120static bool private_bus = false;
121
729e3769 122static int daemon_reload(DBusConnection *bus, char **args);
1968a360 123
2ee68f72 124static bool on_tty(void) {
2cc59dbf
LP		 125 static int t = -1;
126
75d12d57
LP		 127 /* Note that this is invoked relatively early, before we start
128 * the pager. That means the value we return reflects whether
129 * we originally were started on a tty, not if we currently
060ed82e 130 * are. But this is intended, since we want colour and so on
75d12d57
LP		 131 * when run in our own pager. */
132
2cc59dbf
LP		 133 if (_unlikely_(t < 0))
134 t = isatty(STDOUT_FILENO) > 0;
135
2ee68f72
LP		 136 return t;
137}
138
3b0727f5
LP		 139static void pager_open_if_enabled(void) {
140 on_tty();
141
729e3769
LP		 142 if (arg_no_pager)
143 return;
3b0727f5 144
729e3769
LP		 145 pager_open();
146}
c0f9c7da 147
729e3769 148static void agent_open_if_enabled(void) {
501fc174 149
729e3769 150 /* Open the password agent as a child process if necessary */
501fc174
LP		 151
152 if (!arg_ask_password)
153 return;
715554e7 154
729e3769 155 if (arg_scope != UNIT_FILE_SYSTEM)
501fc174
LP		 156 return;
157
729e3769 158 agent_open();
501fc174
LP		 159}
160
2ee68f72
LP		 161static const char *ansi_highlight(bool b) {
162
163 if (!on_tty())
2cc59dbf
LP		 164 return "";
165
166 return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF;
167}
168
2ee68f72
LP		 169static const char *ansi_highlight_green(bool b) {
170
171 if (!on_tty())
172 return "";
173
174 return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
175}
176
f73e33d9 177static bool error_is_no_service(const DBusError *error) {
514f4ef5
LP		 178 assert(error);
179
e4b61340
LP		 180 if (!dbus_error_is_set(error))
181 return false;
182
183 if (dbus_error_has_name(error, DBUS_ERROR_NAME_HAS_NO_OWNER))
184 return true;
185
186 if (dbus_error_has_name(error, DBUS_ERROR_SERVICE_UNKNOWN))
187 return true;
188
189 return startswith(error->name, "org.freedesktop.DBus.Error.Spawn.");
190}
7e4249b9 191
22f4096c
LP		 192static int translate_bus_error_to_exit_status(int r, const DBusError *error) {
193 assert(error);
194
195 if (!dbus_error_is_set(error))
196 return r;
197
198 if (dbus_error_has_name(error, DBUS_ERROR_ACCESS_DENIED) ||
199 dbus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
200 dbus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
201 dbus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
202 return EXIT_NOPERMISSION;
203
204 if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
205 return EXIT_NOTINSTALLED;
206
207 if (dbus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
208 dbus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED))
209 return EXIT_NOTIMPLEMENTED;
210
211 if (dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
212 return EXIT_NOTCONFIGURED;
213
214 if (r != 0)
215 return r;
216
217 return EXIT_FAILURE;
218}
219
514f4ef5 220static void warn_wall(enum action action) {
ef2f1067 221 static const char *table[_ACTION_MAX] = {
514f4ef5
LP		 222 [ACTION_HALT] = "The system is going down for system halt NOW!",
223 [ACTION_REBOOT] = "The system is going down for reboot NOW!",
224 [ACTION_POWEROFF] = "The system is going down for power-off NOW!",
20b09ca7 225 [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
514f4ef5
LP		 226 [ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
227 [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!"
ef2f1067
LP		 228 };
229
514f4ef5
LP		 230 if (arg_no_wall)
231 return;
232
e4a9373f
LP		 233 if (arg_wall) {
234 char *p;
235
236 if (!(p = strv_join(arg_wall, " "))) {
237 log_error("Failed to join strings.");
238 return;
239 }
240
241 if (*p) {
7af53310 242 utmp_wall(p, NULL);
e4a9373f
LP		 243 free(p);
244 return;
245 }
246
247 free(p);
248 }
249
514f4ef5 250 if (!table[action])
ef2f1067
LP		 251 return;
252
7af53310 253 utmp_wall(table[action], NULL);
ef2f1067
LP		 254}
255
729e3769
LP		 256static bool avoid_bus(void) {
257
258 if (running_in_chroot() > 0)
259 return true;
260
261 if (sd_booted() <= 0)
262 return true;
263
264 if (!isempty(arg_root))
265 return true;
266
267 if (arg_scope == UNIT_FILE_GLOBAL)
268 return true;
269
270 return false;
271}
272
36c32ba2
LP		 273struct unit_info {
274 const char *id;
275 const char *description;
276 const char *load_state;
277 const char *active_state;
278 const char *sub_state;
279 const char *following;
280 const char *unit_path;
281 uint32_t job_id;
282 const char *job_type;
283 const char *job_path;
284};
285
286static int compare_unit_info(const void *a, const void *b) {
287 const char *d1, *d2;
288 const struct unit_info *u = a, *v = b;
289
290 d1 = strrchr(u->id, '.');
291 d2 = strrchr(v->id, '.');
292
293 if (d1 && d2) {
294 int r;
295
a2a3a5b9 296 if ((r = strcasecmp(d1, d2)) != 0)
36c32ba2
LP		 297 return r;
298 }
299
a2a3a5b9 300 return strcasecmp(u->id, v->id);
36c32ba2
LP		 301}
302
30732560 303static bool output_show_unit(const struct unit_info *u) {
33330222 304 const char *dot;
b036fc00 305
30732560
LP		 306 if (arg_failed)
307 return streq(u->active_state, "failed");
308
33330222
ZJS		 309 return (!arg_type || ((dot = strrchr(u->id, '.')) &&
310 streq(dot+1, arg_type))) &&
311 (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0);
312}
313
eb68c413 314static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
688c6725 315 unsigned active_len, sub_len, job_len, n_shown = 0;
b036fc00 316 const struct unit_info *u;
33330222 317
b036fc00
LP		 318 active_len = sizeof("ACTIVE")-1;
319 sub_len = sizeof("SUB")-1;
320 job_len = sizeof("JOB")-1;
321
322 for (u = unit_infos; u < unit_infos + c; u++) {
30732560 323 if (!output_show_unit(u))
b036fc00
LP		 324 continue;
325
326 active_len = MAX(active_len, strlen(u->active_state));
327 sub_len = MAX(sub_len, strlen(u->sub_state));
328 if (u->job_id != 0)
329 job_len = MAX(job_len, strlen(u->job_type));
33330222
ZJS		 330 }
331
eb68c413 332 if (on_tty()) {
33330222
ZJS		 333 printf("%-25s %-6s %-*s %-*s %-*s", "UNIT", "LOAD",
334 active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
964d124e 335 if (columns() >= 80+12 || arg_full || !arg_no_pager)
33330222 336 printf(" %s\n", "DESCRIPTION");
eb68c413 337 else
33330222 338 printf("\n");
eb68c413
ZJS		 339 }
340
b036fc00
LP		 341 for (u = unit_infos; u < unit_infos + c; u++) {
342 char *e;
343 int a = 0, b = 0;
344 const char *on_loaded, *off_loaded;
345 const char *on_active, *off_active;
346
30732560 347 if (!output_show_unit(u))
b036fc00
LP		 348 continue;
349
688c6725
LP		 350 n_shown++;
351
00dc5d76
LP		 352 if (!streq(u->load_state, "loaded") &&
353 !streq(u->load_state, "banned")) {
b036fc00
LP		 354 on_loaded = ansi_highlight(true);
355 off_loaded = ansi_highlight(false);
356 } else
357 on_loaded = off_loaded = "";
358
359 if (streq(u->active_state, "failed")) {
360 on_active = ansi_highlight(true);
361 off_active = ansi_highlight(false);
362 } else
363 on_active = off_active = "";
eb68c413 364
b036fc00 365 e = arg_full ? NULL : ellipsize(u->id, 25, 33);
eb68c413 366
b036fc00
LP		 367 printf("%-25s %s%-6s%s %s%-*s %-*s%s%n",
368 e ? e : u->id,
369 on_loaded, u->load_state, off_loaded,
370 on_active, active_len, u->active_state,
371 sub_len, u->sub_state, off_active,
372 &a);
eb68c413 373
b036fc00
LP		 374 free(e);
375
376 a -= strlen(on_loaded) + strlen(off_loaded);
377 a -= strlen(on_active) + strlen(off_active);
378
379 if (u->job_id != 0)
380 printf(" %-*s", job_len, u->job_type);
381 else
382 b = 1 + job_len;
383
384 if (a + b + 1 < columns()) {
385 if (u->job_id == 0)
386 printf(" %-*s", job_len, "");
387
964d124e 388 if (arg_full || !arg_no_pager)
b036fc00
LP		 389 printf(" %s", u->description);
390 else
391 printf(" %.*s", columns() - a - b - 1, u->description);
eb68c413 392 }
b036fc00
LP		 393
394 fputs("\n", stdout);
eb68c413
ZJS		 395 }
396
9b2fcafb 397 if (on_tty()) {
eb68c413
ZJS		 398 printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
399 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
400 "SUB = The low-level unit activation state, values depend on unit type.\n"
401 "JOB = Pending job for the unit.\n");
402
403 if (arg_all)
688c6725 404 printf("\n%u units listed.\n", n_shown);
eb68c413 405 else
688c6725 406 printf("\n%u units listed. Pass --all to see inactive units, too.\n", n_shown);
eb68c413
ZJS		 407 }
408}
409
729e3769 410static int list_units(DBusConnection *bus, char **args) {
7e4249b9
LP		 411 DBusMessage *m = NULL, *reply = NULL;
412 DBusError error;
413 int r;
414 DBusMessageIter iter, sub, sub2;
eb68c413 415 unsigned c = 0, n_units = 0;
36c32ba2 416 struct unit_info *unit_infos = NULL;
7e4249b9
LP		 417
418 dbus_error_init(&error);
419
514f4ef5
LP		 420 assert(bus);
421
1968a360 422 pager_open_if_enabled();
ec14911e 423
7e4249b9
LP		 424 if (!(m = dbus_message_new_method_call(
425 "org.freedesktop.systemd1",
426 "/org/freedesktop/systemd1",
427 "org.freedesktop.systemd1.Manager",
428 "ListUnits"))) {
429 log_error("Could not allocate message.");
430 return -ENOMEM;
431 }
432
433 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 434 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 435 r = -EIO;
436 goto finish;
437 }
438
439 if (!dbus_message_iter_init(reply, &iter) ||
440 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
441 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
442 log_error("Failed to parse reply.");
443 r = -EIO;
444 goto finish;
445 }
446
447 dbus_message_iter_recurse(&iter, &sub);
448
7e4249b9 449 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
36c32ba2 450 struct unit_info *u;
7e4249b9
LP		 451
452 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
453 log_error("Failed to parse reply.");
454 r = -EIO;
455 goto finish;
456 }
457
36c32ba2
LP		 458 if (c >= n_units) {
459 struct unit_info *w;
460
461 n_units = MAX(2*c, 16);
462 w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
463
464 if (!w) {
465 log_error("Failed to allocate unit array.");
466 r = -ENOMEM;
467 goto finish;
468 }
469
470 unit_infos = w;
471 }
472
473 u = unit_infos+c;
474
7e4249b9
LP		 475 dbus_message_iter_recurse(&sub, &sub2);
476
36c32ba2
LP		 477 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
478 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
479 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
480 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
481 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
482 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
483 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
484 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
485 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
486 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
7e4249b9
LP		 487 log_error("Failed to parse reply.");
488 r = -EIO;
489 goto finish;
490 }
491
36c32ba2
LP		 492 dbus_message_iter_next(&sub);
493 c++;
494 }
495
bd40a2d8
LP		 496 if (c > 0) {
497 qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
498 output_units_list(unit_infos, c);
499 }
4445a875
LP		 500
501 r = 0;
502
503finish:
504 if (m)
505 dbus_message_unref(m);
506
507 if (reply)
508 dbus_message_unref(reply);
509
36c32ba2
LP		 510 free(unit_infos);
511
4445a875
LP		 512 dbus_error_free(&error);
513
514 return r;
515}
516
729e3769
LP		 517static int compare_unit_file_list(const void *a, const void *b) {
518 const char *d1, *d2;
519 const UnitFileList *u = a, *v = b;
520
521 d1 = strrchr(u->path, '.');
522 d2 = strrchr(v->path, '.');
523
524 if (d1 && d2) {
525 int r;
526
527 r = strcasecmp(d1, d2);
528 if (r != 0)
529 return r;
530 }
531
532 return strcasecmp(file_name_from_path(u->path), file_name_from_path(v->path));
533}
534
535static bool output_show_unit_file(const UnitFileList *u) {
536 const char *dot;
537
538 return !arg_type || ((dot = strrchr(u->path, '.')) && streq(dot+1, arg_type));
539}
540
541static void output_unit_file_list(const UnitFileList *units, unsigned c) {
542 unsigned n_shown = 0;
543 const UnitFileList *u;
544
545 if (on_tty())
546 printf("%-25s %-6s\n", "UNIT FILE", "STATE");
547
548 for (u = units; u < units + c; u++) {
549 char *e;
550 const char *on, *off;
551 const char *id;
552
553 if (!output_show_unit_file(u))
554 continue;
555
556 n_shown++;
557
558 if (u->state == UNIT_FILE_MASKED ||
559 u->state == UNIT_FILE_MASKED_RUNTIME ||
560 u->state == UNIT_FILE_DISABLED) {
561 on = ansi_highlight(true);
562 off = ansi_highlight(false);
563 } else if (u->state == UNIT_FILE_ENABLED) {
564 on = ansi_highlight_green(true);
565 off = ansi_highlight_green(false);
566 } else
567 on = off = "";
568
569 id = file_name_from_path(u->path);
570
571 e = arg_full ? NULL : ellipsize(id, 25, 33);
572
573 printf("%-25s %s%-6s%s\n",
574 e ? e : id,
575 on, unit_file_state_to_string(u->state), off);
576
577 free(e);
578 }
579
580 if (on_tty())
581 printf("\n%u unit files listed.\n", n_shown);
582}
583
584static int list_unit_files(DBusConnection *bus, char **args) {
585 DBusMessage *m = NULL, *reply = NULL;
586 DBusError error;
587 int r;
588 DBusMessageIter iter, sub, sub2;
589 unsigned c = 0, n_units = 0;
590 UnitFileList *units = NULL;
591
592 dbus_error_init(&error);
593
594 assert(bus);
595
596 pager_open_if_enabled();
597
598 if (avoid_bus()) {
599 Hashmap *h;
600 UnitFileList *u;
601 Iterator i;
602
603 h = hashmap_new(string_hash_func, string_compare_func);
604 if (!h) {
605 log_error("Out of memory");
606 return -ENOMEM;
607 }
608
609 r = unit_file_get_list(arg_scope, arg_root, h);
610 if (r < 0) {
611 log_error("Failed to get unit file list: %s", strerror(-r));
612 return r;
613 }
614
615 n_units = hashmap_size(h);
616 units = new(UnitFileList, n_units);
617 if (!units) {
618 unit_file_list_free(h);
619 log_error("Out of memory");
620 return -ENOMEM;
621 }
622
623 HASHMAP_FOREACH(u, h, i) {
624 memcpy(units + c++, u, sizeof(UnitFileList));
625 free(u);
626 }
627
628 hashmap_free(h);
629 } else {
630 m = dbus_message_new_method_call(
631 "org.freedesktop.systemd1",
632 "/org/freedesktop/systemd1",
633 "org.freedesktop.systemd1.Manager",
634 "ListUnitFiles");
635 if (!m) {
636 log_error("Could not allocate message.");
637 return -ENOMEM;
638 }
639
640 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
641 if (!reply) {
642 log_error("Failed to issue method call: %s", bus_error_message(&error));
643 r = -EIO;
644 goto finish;
645 }
646
647 if (!dbus_message_iter_init(reply, &iter) ||
648 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
649 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
650 log_error("Failed to parse reply.");
651 r = -EIO;
652 goto finish;
653 }
654
655 dbus_message_iter_recurse(&iter, &sub);
656
657 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
658 UnitFileList *u;
659 const char *state;
660
661 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
662 log_error("Failed to parse reply.");
663 r = -EIO;
664 goto finish;
665 }
666
667 if (c >= n_units) {
668 UnitFileList *w;
669
670 n_units = MAX(2*c, 16);
671 w = realloc(units, sizeof(struct UnitFileList) * n_units);
672
673 if (!w) {
674 log_error("Failed to allocate unit array.");
675 r = -ENOMEM;
676 goto finish;
677 }
678
679 units = w;
680 }
681
682 u = units+c;
683
684 dbus_message_iter_recurse(&sub, &sub2);
685
686 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->path, true) < 0 ||
687 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, false) < 0) {
688 log_error("Failed to parse reply.");
689 r = -EIO;
690 goto finish;
691 }
692
693 u->state = unit_file_state_from_string(state);
694
695 dbus_message_iter_next(&sub);
696 c++;
697 }
698 }
699
700 if (c > 0) {
701 qsort(units, c, sizeof(UnitFileList), compare_unit_file_list);
702 output_unit_file_list(units, c);
703 }
704
705 r = 0;
706
707finish:
708 if (m)
709 dbus_message_unref(m);
710
711 if (reply)
712 dbus_message_unref(reply);
713
714 free(units);
715
716 dbus_error_free(&error);
717
718 return r;
719}
720
4445a875
LP		 721static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
722 static const char * const colors[] = {
723 "Requires", "[color=\"black\"]",
724 "RequiresOverridable", "[color=\"black\"]",
725 "Requisite", "[color=\"darkblue\"]",
726 "RequisiteOverridable", "[color=\"darkblue\"]",
727 "Wants", "[color=\"darkgrey\"]",
728 "Conflicts", "[color=\"red\"]",
69dd2852 729 "ConflictedBy", "[color=\"red\"]",
4445a875
LP		 730 "After", "[color=\"green\"]"
731 };
732
733 const char *c = NULL;
734 unsigned i;
735
736 assert(name);
737 assert(prop);
738 assert(iter);
739
740 for (i = 0; i < ELEMENTSOF(colors); i += 2)
741 if (streq(colors[i], prop)) {
742 c = colors[i+1];
743 break;
744 }
745
746 if (!c)
747 return 0;
748
749 if (arg_dot != DOT_ALL)
750 if ((arg_dot == DOT_ORDER) != streq(prop, "After"))
751 return 0;
752
753 switch (dbus_message_iter_get_arg_type(iter)) {
754
755 case DBUS_TYPE_ARRAY:
756
757 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
758 DBusMessageIter sub;
759
760 dbus_message_iter_recurse(iter, &sub);
761
762 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
763 const char *s;
764
765 assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
766 dbus_message_iter_get_basic(&sub, &s);
767 printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
768
769 dbus_message_iter_next(&sub);
770 }
771
772 return 0;
773 }
774 }
775
776 return 0;
777}
778
779static int dot_one(DBusConnection *bus, const char *name, const char *path) {
780 DBusMessage *m = NULL, *reply = NULL;
781 const char *interface = "org.freedesktop.systemd1.Unit";
782 int r;
783 DBusError error;
784 DBusMessageIter iter, sub, sub2, sub3;
785
786 assert(bus);
787 assert(path);
788
789 dbus_error_init(&error);
790
791 if (!(m = dbus_message_new_method_call(
792 "org.freedesktop.systemd1",
793 path,
794 "org.freedesktop.DBus.Properties",
795 "GetAll"))) {
796 log_error("Could not allocate message.");
797 r = -ENOMEM;
798 goto finish;
799 }
800
801 if (!dbus_message_append_args(m,
802 DBUS_TYPE_STRING, &interface,
803 DBUS_TYPE_INVALID)) {
804 log_error("Could not append arguments to message.");
805 r = -ENOMEM;
806 goto finish;
807 }
808
809 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 810 log_error("Failed to issue method call: %s", bus_error_message(&error));
4445a875
LP		 811 r = -EIO;
812 goto finish;
813 }
814
815 if (!dbus_message_iter_init(reply, &iter) ||
816 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
817 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
818 log_error("Failed to parse reply.");
819 r = -EIO;
820 goto finish;
821 }
822
823 dbus_message_iter_recurse(&iter, &sub);
824
825 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
826 const char *prop;
827
828 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
829 log_error("Failed to parse reply.");
830 r = -EIO;
831 goto finish;
832 }
833
834 dbus_message_iter_recurse(&sub, &sub2);
835
836 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
837 log_error("Failed to parse reply.");
838 r = -EIO;
839 goto finish;
840 }
841
842 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
843 log_error("Failed to parse reply.");
844 r = -EIO;
845 goto finish;
846 }
847
848 dbus_message_iter_recurse(&sub2, &sub3);
849
850 if (dot_one_property(name, prop, &sub3)) {
851 log_error("Failed to parse reply.");
852 r = -EIO;
853 goto finish;
854 }
855
856 dbus_message_iter_next(&sub);
857 }
858
e364ad06
LP		 859 r = 0;
860
4445a875
LP		 861finish:
862 if (m)
863 dbus_message_unref(m);
864
865 if (reply)
866 dbus_message_unref(reply);
867
868 dbus_error_free(&error);
869
870 return r;
871}
872
729e3769 873static int dot(DBusConnection *bus, char **args) {
4445a875
LP		 874 DBusMessage *m = NULL, *reply = NULL;
875 DBusError error;
876 int r;
877 DBusMessageIter iter, sub, sub2;
878
879 dbus_error_init(&error);
880
881 assert(bus);
882
883 if (!(m = dbus_message_new_method_call(
884 "org.freedesktop.systemd1",
885 "/org/freedesktop/systemd1",
886 "org.freedesktop.systemd1.Manager",
887 "ListUnits"))) {
888 log_error("Could not allocate message.");
889 return -ENOMEM;
890 }
891
892 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 893 log_error("Failed to issue method call: %s", bus_error_message(&error));
4445a875
LP		 894 r = -EIO;
895 goto finish;
896 }
897
898 if (!dbus_message_iter_init(reply, &iter) ||
899 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
900 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
901 log_error("Failed to parse reply.");
902 r = -EIO;
903 goto finish;
904 }
905
906 printf("digraph systemd {\n");
907
908 dbus_message_iter_recurse(&iter, &sub);
909 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
4a4d6b4b 910 const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path;
4445a875
LP		 911
912 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
913 log_error("Failed to parse reply.");
914 r = -EIO;
915 goto finish;
916 }
917
918 dbus_message_iter_recurse(&sub, &sub2);
919
920 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
921 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
922 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
923 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
924 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
4a4d6b4b 925 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
4445a875
LP		 926 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) {
927 log_error("Failed to parse reply.");
928 r = -EIO;
929 goto finish;
930 }
931
932 if ((r = dot_one(bus, id, unit_path)) < 0)
933 goto finish;
934
935 /* printf("\t\"%s\";\n", id); */
936 dbus_message_iter_next(&sub);
937 }
938
939 printf("}\n");
940
941 log_info(" Color legend: black = Requires\n"
942 " dark blue = Requisite\n"
943 " dark grey = Wants\n"
944 " red = Conflicts\n"
945 " green = After\n");
946
ef3a24de 947 if (on_tty())
4445a875
LP		 948 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
949 "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
7e4249b9
LP		 950
951 r = 0;
952
953finish:
954 if (m)
955 dbus_message_unref(m);
956
957 if (reply)
958 dbus_message_unref(reply);
959
960 dbus_error_free(&error);
961
962 return r;
963}
964
729e3769 965static int list_jobs(DBusConnection *bus, char **args) {
7e4249b9
LP		 966 DBusMessage *m = NULL, *reply = NULL;
967 DBusError error;
968 int r;
969 DBusMessageIter iter, sub, sub2;
970 unsigned k = 0;
971
972 dbus_error_init(&error);
973
514f4ef5
LP		 974 assert(bus);
975
1968a360 976 pager_open_if_enabled();
ec14911e 977
7e4249b9
LP		 978 if (!(m = dbus_message_new_method_call(
979 "org.freedesktop.systemd1",
980 "/org/freedesktop/systemd1",
981 "org.freedesktop.systemd1.Manager",
982 "ListJobs"))) {
983 log_error("Could not allocate message.");
984 return -ENOMEM;
985 }
986
987 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 988 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 989 r = -EIO;
990 goto finish;
991 }
992
993 if (!dbus_message_iter_init(reply, &iter) ||
994 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
995 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
996 log_error("Failed to parse reply.");
997 r = -EIO;
998 goto finish;
999 }
1000
1001 dbus_message_iter_recurse(&iter, &sub);
1002
ef3a24de 1003 if (on_tty())
f73e33d9 1004 printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
7e4249b9
LP		 1005
1006 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
1007 const char *name, *type, *state, *job_path, *unit_path;
1008 uint32_t id;
8fe914ec 1009 char *e;
7e4249b9
LP		 1010
1011 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
1012 log_error("Failed to parse reply.");
1013 r = -EIO;
1014 goto finish;
1015 }
1016
1017 dbus_message_iter_recurse(&sub, &sub2);
1018
1019 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
1020 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
1021 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
1022 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
1023 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
1024 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
1025 log_error("Failed to parse reply.");
1026 r = -EIO;
1027 goto finish;
1028 }
1029
f73e33d9
LP		 1030 e = arg_full ? NULL : ellipsize(name, 25, 33);
1031 printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
8fe914ec
LP		 1032 free(e);
1033
7e4249b9
LP		 1034 k++;
1035
1036 dbus_message_iter_next(&sub);
1037 }
1038
ef3a24de 1039 if (on_tty())
f73e33d9
LP		 1040 printf("\n%u jobs listed.\n", k);
1041
7e4249b9
LP		 1042 r = 0;
1043
1044finish:
1045 if (m)
1046 dbus_message_unref(m);
1047
1048 if (reply)
1049 dbus_message_unref(reply);
1050
1051 dbus_error_free(&error);
1052
1053 return r;
1054}
1055
729e3769 1056static int load_unit(DBusConnection *bus, char **args) {
7e4249b9
LP		 1057 DBusMessage *m = NULL, *reply = NULL;
1058 DBusError error;
1059 int r;
729e3769 1060 char **name;
7e4249b9
LP		 1061
1062 dbus_error_init(&error);
1063
514f4ef5
LP		 1064 assert(bus);
1065 assert(args);
1066
729e3769 1067 STRV_FOREACH(name, args+1) {
7e4249b9
LP		 1068
1069 if (!(m = dbus_message_new_method_call(
1070 "org.freedesktop.systemd1",
1071 "/org/freedesktop/systemd1",
1072 "org.freedesktop.systemd1.Manager",
1073 "LoadUnit"))) {
1074 log_error("Could not allocate message.");
1075 r = -ENOMEM;
1076 goto finish;
1077 }
1078
1079 if (!dbus_message_append_args(m,
729e3769 1080 DBUS_TYPE_STRING, name,
7e4249b9
LP		 1081 DBUS_TYPE_INVALID)) {
1082 log_error("Could not append arguments to message.");
1083 r = -ENOMEM;
1084 goto finish;
1085 }
1086
1087 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1088 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 1089 r = -EIO;
1090 goto finish;
1091 }
1092
1093 dbus_message_unref(m);
1094 dbus_message_unref(reply);
1095
1096 m = reply = NULL;
1097 }
1098
1099 r = 0;
1100
1101finish:
1102 if (m)
1103 dbus_message_unref(m);
1104
1105 if (reply)
1106 dbus_message_unref(reply);
1107
1108 dbus_error_free(&error);
1109
1110 return r;
1111}
1112
729e3769 1113static int cancel_job(DBusConnection *bus, char **args) {
7e4249b9
LP		 1114 DBusMessage *m = NULL, *reply = NULL;
1115 DBusError error;
1116 int r;
729e3769 1117 char **name;
7e4249b9
LP		 1118
1119 dbus_error_init(&error);
1120
514f4ef5
LP		 1121 assert(bus);
1122 assert(args);
1123
729e3769
LP		 1124 if (strv_length(args) <= 1)
1125 return daemon_reload(bus, args);
ee5762e3 1126
729e3769 1127 STRV_FOREACH(name, args+1) {
7e4249b9
LP		 1128 unsigned id;
1129 const char *path;
1130
1131 if (!(m = dbus_message_new_method_call(
1132 "org.freedesktop.systemd1",
1133 "/org/freedesktop/systemd1",
1134 "org.freedesktop.systemd1.Manager",
1135 "GetJob"))) {
1136 log_error("Could not allocate message.");
1137 r = -ENOMEM;
1138 goto finish;
1139 }
1140
729e3769 1141 if ((r = safe_atou(*name, &id)) < 0) {
7e4249b9
LP		 1142 log_error("Failed to parse job id: %s", strerror(-r));
1143 goto finish;
1144 }
1145
1146 assert_cc(sizeof(uint32_t) == sizeof(id));
1147 if (!dbus_message_append_args(m,
1148 DBUS_TYPE_UINT32, &id,
1149 DBUS_TYPE_INVALID)) {
1150 log_error("Could not append arguments to message.");
1151 r = -ENOMEM;
1152 goto finish;
1153 }
1154
1155 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1156 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 1157 r = -EIO;
1158 goto finish;
1159 }
1160
1161 if (!dbus_message_get_args(reply, &error,
1162 DBUS_TYPE_OBJECT_PATH, &path,
1163 DBUS_TYPE_INVALID)) {
4cf5d675 1164 log_error("Failed to parse reply: %s", bus_error_message(&error));
7e4249b9
LP		 1165 r = -EIO;
1166 goto finish;
1167 }
1168
1169 dbus_message_unref(m);
1170 if (!(m = dbus_message_new_method_call(
1171 "org.freedesktop.systemd1",
1172 path,
1173 "org.freedesktop.systemd1.Job",
1174 "Cancel"))) {
1175 log_error("Could not allocate message.");
1176 r = -ENOMEM;
1177 goto finish;
1178 }
1179
1180 dbus_message_unref(reply);
1181 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1182 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 1183 r = -EIO;
1184 goto finish;
1185 }
1186
1187 dbus_message_unref(m);
1188 dbus_message_unref(reply);
1189 m = reply = NULL;
1190 }
1191
1192 r = 0;
1193
1194finish:
1195 if (m)
1196 dbus_message_unref(m);
1197
1198 if (reply)
1199 dbus_message_unref(reply);
1200
1201 dbus_error_free(&error);
1202
1203 return r;
1204}
1205
ee5762e3 1206static bool need_daemon_reload(DBusConnection *bus, const char *unit) {
e364ad06 1207 DBusMessage *m = NULL, *reply = NULL;
45fb0699
LP		 1208 dbus_bool_t b = FALSE;
1209 DBusMessageIter iter, sub;
1210 const char
1211 *interface = "org.freedesktop.systemd1.Unit",
1212 *property = "NeedDaemonReload",
1213 *path;
1214
1215 /* We ignore all errors here, since this is used to show a warning only */
1216
1217 if (!(m = dbus_message_new_method_call(
1218 "org.freedesktop.systemd1",
1219 "/org/freedesktop/systemd1",
1220 "org.freedesktop.systemd1.Manager",
1221 "GetUnit")))
1222 goto finish;
1223
1224 if (!dbus_message_append_args(m,
1225 DBUS_TYPE_STRING, &unit,
1226 DBUS_TYPE_INVALID))
1227 goto finish;
1228
1229 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
1230 goto finish;
1231
1232 if (!dbus_message_get_args(reply, NULL,
1233 DBUS_TYPE_OBJECT_PATH, &path,
1234 DBUS_TYPE_INVALID))
1235 goto finish;
1236
1237 dbus_message_unref(m);
1238 if (!(m = dbus_message_new_method_call(
1239 "org.freedesktop.systemd1",
1240 path,
1241 "org.freedesktop.DBus.Properties",
1242 "Get")))
1243 goto finish;
1244
1245 if (!dbus_message_append_args(m,
1246 DBUS_TYPE_STRING, &interface,
1247 DBUS_TYPE_STRING, &property,
1248 DBUS_TYPE_INVALID)) {
1249 goto finish;
1250 }
1251
1252 dbus_message_unref(reply);
1253 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
1254 goto finish;
1255
1256 if (!dbus_message_iter_init(reply, &iter) ||
1257 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
1258 goto finish;
1259
1260 dbus_message_iter_recurse(&iter, &sub);
1261
1262 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
1263 goto finish;
1264
1265 dbus_message_iter_get_basic(&sub, &b);
1266
1267finish:
1268 if (m)
1269 dbus_message_unref(m);
1270
1271 if (reply)
1272 dbus_message_unref(reply);
1273
1274 return b;
1275}
1276
5e374895
LP		 1277typedef struct WaitData {
1278 Set *set;
5d44db4a 1279 char *result;
5e374895
LP		 1280} WaitData;
1281
7e4249b9
LP		 1282static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
1283 DBusError error;
5e374895 1284 WaitData *d = data;
7e4249b9
LP		 1285
1286 assert(connection);
1287 assert(message);
5e374895 1288 assert(d);
7e4249b9
LP		 1289
1290 dbus_error_init(&error);
1291
54165a39
LP		 1292 log_debug("Got D-Bus request: %s.%s() on %s",
1293 dbus_message_get_interface(message),
1294 dbus_message_get_member(message),
1295 dbus_message_get_path(message));
7e4249b9
LP		 1296
1297 if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
1298 log_error("Warning! D-Bus connection terminated.");
1299 dbus_connection_close(connection);
1300
1301 } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
1302 uint32_t id;
5d44db4a 1303 const char *path, *result;
5e374895 1304 dbus_bool_t success = true;
7e4249b9 1305
5d44db4a
LP		 1306 if (dbus_message_get_args(message, &error,
1307 DBUS_TYPE_UINT32, &id,
1308 DBUS_TYPE_OBJECT_PATH, &path,
1309 DBUS_TYPE_STRING, &result,
1310 DBUS_TYPE_INVALID)) {
7e4249b9
LP		 1311 char *p;
1312
5d44db4a
LP		 1313 if ((p = set_remove(d->set, (char*) path)))
1314 free(p);
1315
1316 if (*result)
1317 d->result = strdup(result);
1318
1319 goto finish;
1320 }
1321#ifndef LEGACY
1322 dbus_error_free(&error);
1323
1324 if (dbus_message_get_args(message, &error,
1325 DBUS_TYPE_UINT32, &id,
1326 DBUS_TYPE_OBJECT_PATH, &path,
1327 DBUS_TYPE_BOOLEAN, &success,
1328 DBUS_TYPE_INVALID)) {
1329 char *p;
1330
1331 /* Compatibility with older systemd versions <
1332 * 19 during upgrades. This should be dropped
1333 * one day */
1334
5e374895 1335 if ((p = set_remove(d->set, (char*) path)))
7e4249b9 1336 free(p);
5e374895
LP		 1337
1338 if (!success)
5d44db4a
LP		 1339 d->result = strdup("failed");
1340
1341 goto finish;
7e4249b9 1342 }
5d44db4a
LP		 1343#endif
1344
1345 log_error("Failed to parse message: %s", bus_error_message(&error));
7e4249b9
LP		 1346 }
1347
5d44db4a 1348finish:
7e4249b9
LP		 1349 dbus_error_free(&error);
1350 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1351}
1352
479ef5d3 1353static int enable_wait_for_jobs(DBusConnection *bus) {
7e4249b9 1354 DBusError error;
7e4249b9
LP		 1355
1356 assert(bus);
7e4249b9 1357
f4579ce7
LP		 1358 if (private_bus)
1359 return 0;
1360
7e4249b9 1361 dbus_error_init(&error);
7e4249b9
LP		 1362 dbus_bus_add_match(bus,
1363 "type='signal',"
1364 "sender='org.freedesktop.systemd1',"
1365 "interface='org.freedesktop.systemd1.Manager',"
1366 "member='JobRemoved',"
1367 "path='/org/freedesktop/systemd1'",
1368 &error);
1369
1370 if (dbus_error_is_set(&error)) {
4cf5d675 1371 log_error("Failed to add match: %s", bus_error_message(&error));
a567261a
LP		 1372 dbus_error_free(&error);
1373 return -EIO;
7e4249b9
LP		 1374 }
1375
479ef5d3 1376 /* This is slightly dirty, since we don't undo the match registrations. */
a567261a 1377 return 0;
7e4249b9
LP		 1378}
1379
479ef5d3
LP		 1380static int wait_for_jobs(DBusConnection *bus, Set *s) {
1381 int r;
5e374895 1382 WaitData d;
479ef5d3
LP		 1383
1384 assert(bus);
1385 assert(s);
1386
5e374895
LP		 1387 zero(d);
1388 d.set = s;
5e374895
LP		 1389
1390 if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) {
479ef5d3
LP		 1391 log_error("Failed to add filter.");
1392 r = -ENOMEM;
1393 goto finish;
1394 }
1395
1396 while (!set_isempty(s) &&
1397 dbus_connection_read_write_dispatch(bus, -1))
1398 ;
1399
5d44db4a
LP		 1400 if (!arg_quiet && d.result) {
1401 if (streq(d.result, "timeout"))
1402 log_error("Job timed out.");
1403 else if (streq(d.result, "canceled"))
1404 log_error("Job canceled.");
1405 else if (streq(d.result, "dependency"))
1406 log_error("A dependency job failed. See system logs for details.");
d68201e9 1407 else if (!streq(d.result, "done") && !streq(d.result, "skipped"))
5d44db4a
LP		 1408 log_error("Job failed. See system logs and 'systemctl status' for details.");
1409 }
5e374895 1410
8e20e31a
LP		 1411 if (streq_ptr(d.result, "timeout"))
1412 r = -ETIME;
1413 else if (streq_ptr(d.result, "canceled"))
1414 r = -ECANCELED;
d68201e9 1415 else if (!streq_ptr(d.result, "done") && !streq_ptr(d.result, "skipped"))
8e20e31a
LP		 1416 r = -EIO;
1417 else
1418 r = 0;
1419
5d44db4a 1420 free(d.result);
479ef5d3
LP		 1421
1422finish:
1423 /* This is slightly dirty, since we don't undo the filter registration. */
1424
1425 return r;
1426}
1427
e4b61340
LP		 1428static int start_unit_one(
1429 DBusConnection *bus,
1430 const char *method,
1431 const char *name,
1432 const char *mode,
22f4096c 1433 DBusError *error,
e4b61340 1434 Set *s) {
7e4249b9 1435
7e4249b9 1436 DBusMessage *m = NULL, *reply = NULL;
45fb0699 1437 const char *path;
7e4249b9 1438 int r;
7e4249b9 1439
e4b61340
LP		 1440 assert(bus);
1441 assert(method);
1442 assert(name);
1443 assert(mode);
22f4096c 1444 assert(error);
6e905d93 1445 assert(arg_no_block || s);
7e4249b9
LP		 1446
1447 if (!(m = dbus_message_new_method_call(
1448 "org.freedesktop.systemd1",
1449 "/org/freedesktop/systemd1",
1450 "org.freedesktop.systemd1.Manager",
e4b61340 1451 method))) {
7e4249b9
LP		 1452 log_error("Could not allocate message.");
1453 r = -ENOMEM;
1454 goto finish;
1455 }
1456
1457 if (!dbus_message_append_args(m,
e4b61340 1458 DBUS_TYPE_STRING, &name,
7e4249b9
LP		 1459 DBUS_TYPE_STRING, &mode,
1460 DBUS_TYPE_INVALID)) {
1461 log_error("Could not append arguments to message.");
1462 r = -ENOMEM;
1463 goto finish;
1464 }
1465
22f4096c 1466 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error))) {
e4b61340 1467
22f4096c 1468 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(error)) {
e4b61340
LP		 1469 /* There's always a fallback possible for
1470 * legacy actions. */
706900b7 1471 r = -EADDRNOTAVAIL;
e4b61340
LP		 1472 goto finish;
1473 }
1474
22f4096c 1475 log_error("Failed to issue method call: %s", bus_error_message(error));
7e4249b9
LP		 1476 r = -EIO;
1477 goto finish;
1478 }
1479
22f4096c 1480 if (!dbus_message_get_args(reply, error,
45fb0699
LP		 1481 DBUS_TYPE_OBJECT_PATH, &path,
1482 DBUS_TYPE_INVALID)) {
22f4096c 1483 log_error("Failed to parse reply: %s", bus_error_message(error));
45fb0699
LP		 1484 r = -EIO;
1485 goto finish;
1486 }
1487
ee5762e3 1488 if (need_daemon_reload(bus, name))
729e3769
LP		 1489 log_warning("Warning: Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
1490 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
45fb0699 1491
6e905d93 1492 if (!arg_no_block) {
e4b61340 1493 char *p;
7e4249b9 1494
7e4249b9
LP		 1495 if (!(p = strdup(path))) {
1496 log_error("Failed to duplicate path.");
1497 r = -ENOMEM;
1498 goto finish;
1499 }
1500
1501 if ((r = set_put(s, p)) < 0) {
e4b61340 1502 free(p);
7e4249b9
LP		 1503 log_error("Failed to add path to set.");
1504 goto finish;
1505 }
e4b61340 1506 }
7e4249b9 1507
706900b7 1508 r = 0;
22f4096c 1509
7e4249b9 1510finish:
7e4249b9
LP		 1511 if (m)
1512 dbus_message_unref(m);
1513
1514 if (reply)
1515 dbus_message_unref(reply);
1516
7e4249b9
LP		 1517 return r;
1518}
1519
514f4ef5
LP		 1520static enum action verb_to_action(const char *verb) {
1521 if (streq(verb, "halt"))
1522 return ACTION_HALT;
1523 else if (streq(verb, "poweroff"))
1524 return ACTION_POWEROFF;
1525 else if (streq(verb, "reboot"))
1526 return ACTION_REBOOT;
20b09ca7
LP		 1527 else if (streq(verb, "kexec"))
1528 return ACTION_KEXEC;
514f4ef5
LP		 1529 else if (streq(verb, "rescue"))
1530 return ACTION_RESCUE;
1531 else if (streq(verb, "emergency"))
1532 return ACTION_EMERGENCY;
1533 else if (streq(verb, "default"))
1534 return ACTION_DEFAULT;
20b09ca7
LP		 1535 else if (streq(verb, "exit"))
1536 return ACTION_EXIT;
514f4ef5
LP		 1537 else
1538 return ACTION_INVALID;
1539}
1540
729e3769 1541static int start_unit(DBusConnection *bus, char **args) {
e4b61340
LP		 1542
1543 static const char * const table[_ACTION_MAX] = {
514f4ef5
LP		 1544 [ACTION_HALT] = SPECIAL_HALT_TARGET,
1545 [ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET,
1546 [ACTION_REBOOT] = SPECIAL_REBOOT_TARGET,
20b09ca7 1547 [ACTION_KEXEC] = SPECIAL_KEXEC_TARGET,
514f4ef5
LP		 1548 [ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET,
1549 [ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET,
1550 [ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
1551 [ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
1552 [ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
f057408c 1553 [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
20b09ca7
LP		 1554 [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET,
1555 [ACTION_EXIT] = SPECIAL_EXIT_TARGET
e4b61340
LP		 1556 };
1557
22f4096c 1558 int r, ret = 0;
514f4ef5 1559 const char *method, *mode, *one_name;
e4b61340 1560 Set *s = NULL;
22f4096c 1561 DBusError error;
729e3769 1562 char **name;
22f4096c
LP		 1563
1564 dbus_error_init(&error);
e4b61340 1565
514f4ef5
LP		 1566 assert(bus);
1567
729e3769 1568 agent_open_if_enabled();
501fc174 1569
e4b61340
LP		 1570 if (arg_action == ACTION_SYSTEMCTL) {
1571 method =
a76f7be2
LP		 1572 streq(args[0], "stop") ||
1573 streq(args[0], "condstop") ? "StopUnit" :
6f28c033
LP		 1574 streq(args[0], "reload") ? "ReloadUnit" :
1575 streq(args[0], "restart") ? "RestartUnit" :
d68201e9 1576
aa5939a3
MS		 1577 streq(args[0], "try-restart") ||
1578 streq(args[0], "condrestart") ? "TryRestartUnit" :
d68201e9 1579
6f28c033 1580 streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
d68201e9 1581
9d8a57ff 1582 streq(args[0], "reload-or-try-restart") ||
64e5f1b7 1583 streq(args[0], "condreload") ||
d68201e9 1584
aa5939a3 1585 streq(args[0], "force-reload") ? "ReloadOrTryRestartUnit" :
6f28c033 1586 "StartUnit";
e4b61340
LP		 1587
1588 mode =
514f4ef5
LP		 1589 (streq(args[0], "isolate") ||
1590 streq(args[0], "rescue") ||
e67c3609 1591 streq(args[0], "emergency")) ? "isolate" : arg_job_mode;
e4b61340 1592
514f4ef5 1593 one_name = table[verb_to_action(args[0])];
e4b61340 1594
e4b61340
LP		 1595 } else {
1596 assert(arg_action < ELEMENTSOF(table));
1597 assert(table[arg_action]);
1598
1599 method = "StartUnit";
514f4ef5
LP		 1600
1601 mode = (arg_action == ACTION_EMERGENCY ||
6f0d624e
LP		 1602 arg_action == ACTION_RESCUE ||
1603 arg_action == ACTION_RUNLEVEL2 ||
1604 arg_action == ACTION_RUNLEVEL3 ||
1605 arg_action == ACTION_RUNLEVEL4 ||
1606 arg_action == ACTION_RUNLEVEL5) ? "isolate" : "replace";
514f4ef5
LP		 1607
1608 one_name = table[arg_action];
1609 }
1610
6e905d93 1611 if (!arg_no_block) {
22f4096c
LP		 1612 if ((ret = enable_wait_for_jobs(bus)) < 0) {
1613 log_error("Could not watch jobs: %s", strerror(-ret));
514f4ef5
LP		 1614 goto finish;
1615 }
1616
1617 if (!(s = set_new(string_hash_func, string_compare_func))) {
1618 log_error("Failed to allocate set.");
22f4096c 1619 ret = -ENOMEM;
514f4ef5
LP		 1620 goto finish;
1621 }
e4b61340
LP		 1622 }
1623
514f4ef5 1624 if (one_name) {
22f4096c 1625 if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0)
514f4ef5
LP		 1626 goto finish;
1627 } else {
729e3769
LP		 1628 STRV_FOREACH(name, args+1)
1629 if ((r = start_unit_one(bus, method, *name, mode, &error, s)) != 0) {
706900b7 1630 ret = translate_bus_error_to_exit_status(r, &error);
22f4096c
LP		 1631 dbus_error_free(&error);
1632 }
e4b61340
LP		 1633 }
1634
6e905d93 1635 if (!arg_no_block)
22f4096c
LP		 1636 if ((r = wait_for_jobs(bus, s)) < 0) {
1637 ret = r;
fbc43921 1638 goto finish;
22f4096c 1639 }
514f4ef5 1640
e4b61340
LP		 1641finish:
1642 if (s)
1643 set_free_free(s);
1644
22f4096c
LP		 1645 dbus_error_free(&error);
1646
1647 return ret;
e4b61340
LP		 1648}
1649
729e3769 1650static int start_special(DBusConnection *bus, char **args) {
983d9c90
LP		 1651 int r;
1652
514f4ef5
LP		 1653 assert(bus);
1654 assert(args);
1655
20b09ca7
LP		 1656 if (arg_force &&
1657 (streq(args[0], "halt") ||
1658 streq(args[0], "poweroff") ||
1659 streq(args[0], "reboot") ||
1660 streq(args[0], "kexec") ||
1661 streq(args[0], "exit")))
729e3769 1662 return daemon_reload(bus, args);
20b09ca7 1663
729e3769 1664 r = start_unit(bus, args);
983d9c90
LP		 1665
1666 if (r >= 0)
1667 warn_wall(verb_to_action(args[0]));
514f4ef5 1668
983d9c90 1669 return r;
514f4ef5
LP		 1670}
1671
729e3769 1672static int check_unit(DBusConnection *bus, char **args) {
0183528f
LP		 1673 DBusMessage *m = NULL, *reply = NULL;
1674 const char
1675 *interface = "org.freedesktop.systemd1.Unit",
1676 *property = "ActiveState";
22f4096c 1677 int r = 3; /* According to LSB: "program is not running" */
0183528f 1678 DBusError error;
729e3769 1679 char **name;
0183528f
LP		 1680
1681 assert(bus);
1682 assert(args);
1683
1684 dbus_error_init(&error);
1685
729e3769 1686 STRV_FOREACH(name, args+1) {
0183528f
LP		 1687 const char *path = NULL;
1688 const char *state;
1689 DBusMessageIter iter, sub;
1690
1691 if (!(m = dbus_message_new_method_call(
1692 "org.freedesktop.systemd1",
1693 "/org/freedesktop/systemd1",
1694 "org.freedesktop.systemd1.Manager",
1695 "GetUnit"))) {
1696 log_error("Could not allocate message.");
1697 r = -ENOMEM;
1698 goto finish;
1699 }
1700
1701 if (!dbus_message_append_args(m,
729e3769 1702 DBUS_TYPE_STRING, name,
0183528f
LP		 1703 DBUS_TYPE_INVALID)) {
1704 log_error("Could not append arguments to message.");
1705 r = -ENOMEM;
1706 goto finish;
1707 }
1708
1709 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1710
1711 /* Hmm, cannot figure out anything about this unit... */
1712 if (!arg_quiet)
1713 puts("unknown");
1714
ed2d7a44 1715 dbus_error_free(&error);
8a0867d6 1716 dbus_message_unref(m);
78e39b43 1717 m = NULL;
0183528f
LP		 1718 continue;
1719 }
1720
1721 if (!dbus_message_get_args(reply, &error,
1722 DBUS_TYPE_OBJECT_PATH, &path,
1723 DBUS_TYPE_INVALID)) {
4cf5d675 1724 log_error("Failed to parse reply: %s", bus_error_message(&error));
0183528f
LP		 1725 r = -EIO;
1726 goto finish;
1727 }
1728
1729 dbus_message_unref(m);
1730 if (!(m = dbus_message_new_method_call(
1731 "org.freedesktop.systemd1",
1732 path,
1733 "org.freedesktop.DBus.Properties",
1734 "Get"))) {
1735 log_error("Could not allocate message.");
1736 r = -ENOMEM;
1737 goto finish;
1738 }
1739
1740 if (!dbus_message_append_args(m,
1741 DBUS_TYPE_STRING, &interface,
1742 DBUS_TYPE_STRING, &property,
1743 DBUS_TYPE_INVALID)) {
1744 log_error("Could not append arguments to message.");
1745 r = -ENOMEM;
1746 goto finish;
1747 }
1748
1749 dbus_message_unref(reply);
1750 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1751 log_error("Failed to issue method call: %s", bus_error_message(&error));
0183528f
LP		 1752 r = -EIO;
1753 goto finish;
1754 }
1755
1756 if (!dbus_message_iter_init(reply, &iter) ||
1757 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
1758 log_error("Failed to parse reply.");
1759 r = -EIO;
1760 goto finish;
1761 }
1762
1763 dbus_message_iter_recurse(&iter, &sub);
1764
1765 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
1766 log_error("Failed to parse reply.");
1767 r = -EIO;
1768 goto finish;
1769 }
1770
1771 dbus_message_iter_get_basic(&sub, &state);
1772
1773 if (!arg_quiet)
1774 puts(state);
1775
f1e36d67 1776 if (streq(state, "active") || streq(state, "reloading"))
0183528f
LP		 1777 r = 0;
1778
1779 dbus_message_unref(m);
1780 dbus_message_unref(reply);
1781 m = reply = NULL;
1782 }
1783
1784finish:
1785 if (m)
1786 dbus_message_unref(m);
1787
1788 if (reply)
1789 dbus_message_unref(reply);
1790
1791 dbus_error_free(&error);
1792
1793 return r;
48220598
LP		 1794}
1795
729e3769 1796static int kill_unit(DBusConnection *bus, char **args) {
8a0867d6
LP		 1797 DBusMessage *m = NULL, *reply = NULL;
1798 int r = 0;
1799 DBusError error;
729e3769 1800 char **name;
8a0867d6
LP		 1801
1802 assert(bus);
1803 assert(args);
1804
1805 dbus_error_init(&error);
1806
1807 if (!arg_kill_who)
1808 arg_kill_who = "all";
1809
1810 if (!arg_kill_mode)
1811 arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process";
1812
729e3769 1813 STRV_FOREACH(name, args+1) {
8a0867d6
LP		 1814
1815 if (!(m = dbus_message_new_method_call(
1816 "org.freedesktop.systemd1",
1817 "/org/freedesktop/systemd1",
1818 "org.freedesktop.systemd1.Manager",
1819 "KillUnit"))) {
1820 log_error("Could not allocate message.");
1821 r = -ENOMEM;
1822 goto finish;
1823 }
1824
1825 if (!dbus_message_append_args(m,
729e3769 1826 DBUS_TYPE_STRING, name,
8a0867d6
LP		 1827 DBUS_TYPE_STRING, &arg_kill_who,
1828 DBUS_TYPE_STRING, &arg_kill_mode,
1829 DBUS_TYPE_INT32, &arg_signal,
1830 DBUS_TYPE_INVALID)) {
1831 log_error("Could not append arguments to message.");
1832 r = -ENOMEM;
1833 goto finish;
1834 }
1835
1836 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1837 log_error("Failed to issue method call: %s", bus_error_message(&error));
1838 dbus_error_free(&error);
1839 r = -EIO;
1840 }
1841
1842 dbus_message_unref(m);
1843
1844 if (reply)
1845 dbus_message_unref(reply);
1846 m = reply = NULL;
1847 }
1848
1849finish:
1850 if (m)
1851 dbus_message_unref(m);
1852
1853 if (reply)
1854 dbus_message_unref(reply);
1855
1856 dbus_error_free(&error);
1857
1858 return r;
1859}
1860
582a507f 1861typedef struct ExecStatusInfo {
0129173a
LP		 1862 char *name;
1863
582a507f
LP		 1864 char *path;
1865 char **argv;
1866
b708e7ce
LP		 1867 bool ignore;
1868
582a507f
LP		 1869 usec_t start_timestamp;
1870 usec_t exit_timestamp;
1871 pid_t pid;
1872 int code;
1873 int status;
1874
1875 LIST_FIELDS(struct ExecStatusInfo, exec);
1876} ExecStatusInfo;
1877
1878static void exec_status_info_free(ExecStatusInfo *i) {
1879 assert(i);
1880
0129173a 1881 free(i->name);
582a507f
LP		 1882 free(i->path);
1883 strv_free(i->argv);
1884 free(i);
1885}
1886
1887static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) {
b21a0ef8 1888 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
582a507f
LP		 1889 DBusMessageIter sub2, sub3;
1890 const char*path;
1891 unsigned n;
1892 uint32_t pid;
1893 int32_t code, status;
b708e7ce 1894 dbus_bool_t ignore;
582a507f
LP		 1895
1896 assert(i);
1897 assert(i);
1898
1899 if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
1900 return -EIO;
1901
1902 dbus_message_iter_recurse(sub, &sub2);
1903
1904 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
1905 return -EIO;
1906
1907 if (!(i->path = strdup(path)))
1908 return -ENOMEM;
1909
1910 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
1911 dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
1912 return -EIO;
1913
1914 n = 0;
1915 dbus_message_iter_recurse(&sub2, &sub3);
1916 while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
1917 assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
1918 dbus_message_iter_next(&sub3);
1919 n++;
1920 }
1921
1922
1923 if (!(i->argv = new0(char*, n+1)))
1924 return -ENOMEM;
1925
1926 n = 0;
1927 dbus_message_iter_recurse(&sub2, &sub3);
1928 while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
1929 const char *s;
1930
1931 assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
1932 dbus_message_iter_get_basic(&sub3, &s);
1933 dbus_message_iter_next(&sub3);
1934
1935 if (!(i->argv[n++] = strdup(s)))
1936 return -ENOMEM;
1937 }
1938
1939 if (!dbus_message_iter_next(&sub2) ||
b708e7ce 1940 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 ||
582a507f 1941 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
b21a0ef8 1942 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp_monotonic, true) < 0 ||
582a507f 1943 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
b21a0ef8 1944 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp_monotonic, true) < 0 ||
582a507f
LP		 1945 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
1946 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 ||
1947 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
1948 return -EIO;
1949
b708e7ce 1950 i->ignore = ignore;
582a507f
LP		 1951 i->start_timestamp = (usec_t) start_timestamp;
1952 i->exit_timestamp = (usec_t) exit_timestamp;
1953 i->pid = (pid_t) pid;
1954 i->code = code;
1955 i->status = status;
1956
1957 return 0;
1958}
1959
61cbdc4b
LP		 1960typedef struct UnitStatusInfo {
1961 const char *id;
1962 const char *load_state;
1963 const char *active_state;
1964 const char *sub_state;
a4375746 1965 const char *unit_file_state;
61cbdc4b
LP		 1966
1967 const char *description;
4a9e2fff 1968 const char *following;
61cbdc4b 1969
c31b4423 1970 const char *path;
61cbdc4b
LP		 1971 const char *default_control_group;
1972
9f39404c
LP		 1973 const char *load_error;
1974
584be568
LP		 1975 usec_t inactive_exit_timestamp;
1976 usec_t active_enter_timestamp;
1977 usec_t active_exit_timestamp;
1978 usec_t inactive_enter_timestamp;
1979
45fb0699
LP		 1980 bool need_daemon_reload;
1981
61cbdc4b
LP		 1982 /* Service */
1983 pid_t main_pid;
1984 pid_t control_pid;
1985 const char *status_text;
d06dacd0 1986 bool running:1;
07459bb6 1987#ifdef HAVE_SYSV_COMPAT
d06dacd0 1988 bool is_sysv:1;
07459bb6 1989#endif
61cbdc4b
LP		 1990
1991 usec_t start_timestamp;
1992 usec_t exit_timestamp;
1993
1994 int exit_code, exit_status;
1995
90bbc946
LP		 1996 usec_t condition_timestamp;
1997 bool condition_result;
1998
61cbdc4b
LP		 1999 /* Socket */
2000 unsigned n_accepted;
2001 unsigned n_connections;
b8131a87 2002 bool accept;
61cbdc4b
LP		 2003
2004 /* Device */
2005 const char *sysfs_path;
2006
2007 /* Mount, Automount */
2008 const char *where;
2009
2010 /* Swap */
2011 const char *what;
582a507f
LP		 2012
2013 LIST_HEAD(ExecStatusInfo, exec);
61cbdc4b
LP		 2014} UnitStatusInfo;
2015
2016static void print_status_info(UnitStatusInfo *i) {
582a507f 2017 ExecStatusInfo *p;
2ee68f72 2018 const char *on, *off, *ss;
584be568
LP		 2019 usec_t timestamp;
2020 char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
2021 char since2[FORMAT_TIMESTAMP_MAX], *s2;
582a507f 2022
61cbdc4b
LP		 2023 assert(i);
2024
2025 /* This shows pretty information about a unit. See
2026 * print_property() for a low-level property printer */
2027
2028 printf("%s", strna(i->id));
2029
2030 if (i->description && !streq_ptr(i->id, i->description))
2031 printf(" - %s", i->description);
2032
2033 printf("\n");
2034
4a9e2fff
LP		 2035 if (i->following)
2036 printf("\t Follow: unit currently follows state of %s\n", i->following);
2037
00dc5d76
LP		 2038 if (streq_ptr(i->load_state, "failed") ||
2039 streq_ptr(i->load_state, "banned")) {
c31b4423
LP		 2040 on = ansi_highlight(true);
2041 off = ansi_highlight(false);
2042 } else
2043 on = off = "";
2044
9f39404c
LP		 2045 if (i->load_error)
2046 printf("\t Loaded: %s%s%s (Reason: %s)\n", on, strna(i->load_state), off, i->load_error);
a4375746
LP		 2047 else if (i->path && i->unit_file_state)
2048 printf("\t Loaded: %s%s%s (%s; %s)\n", on, strna(i->load_state), off, i->path, i->unit_file_state);
9f39404c 2049 else if (i->path)
c31b4423 2050 printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path);
61cbdc4b 2051 else
c31b4423 2052 printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off);
61cbdc4b 2053
2ee68f72
LP		 2054 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
2055
fdf20a31 2056 if (streq_ptr(i->active_state, "failed")) {
2ee68f72
LP		 2057 on = ansi_highlight(true);
2058 off = ansi_highlight(false);
2059 } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
2060 on = ansi_highlight_green(true);
2061 off = ansi_highlight_green(false);
2062 } else
2063 on = off = "";
2064
2065 if (ss)
584be568 2066 printf("\t Active: %s%s (%s)%s",
2ee68f72
LP		 2067 on,
2068 strna(i->active_state),
2069 ss,
2070 off);
2071 else
584be568 2072 printf("\t Active: %s%s%s",
2ee68f72
LP		 2073 on,
2074 strna(i->active_state),
2075 off);
61cbdc4b 2076
584be568
LP		 2077 timestamp = (streq_ptr(i->active_state, "active") ||
2078 streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
2079 (streq_ptr(i->active_state, "inactive") ||
fdf20a31 2080 streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
584be568
LP		 2081 streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
2082 i->active_exit_timestamp;
2083
2084 s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp);
2085 s2 = format_timestamp(since2, sizeof(since2), timestamp);
2086
2087 if (s1)
538da63d 2088 printf(" since %s; %s\n", s2, s1);
584be568 2089 else if (s2)
538da63d 2090 printf(" since %s\n", s2);
584be568
LP		 2091 else
2092 printf("\n");
2093
90bbc946
LP		 2094 if (!i->condition_result && i->condition_timestamp > 0) {
2095 s1 = format_timestamp_pretty(since1, sizeof(since1), i->condition_timestamp);
2096 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
2097
2098 if (s1)
2099 printf("\t start condition failed at %s; %s\n", s2, s1);
2100 else if (s2)
2101 printf("\t start condition failed at %s\n", s2);
2102 }
2103
61cbdc4b
LP		 2104 if (i->sysfs_path)
2105 printf("\t Device: %s\n", i->sysfs_path);
9feeba4b 2106 if (i->where)
61cbdc4b 2107 printf("\t Where: %s\n", i->where);
9feeba4b 2108 if (i->what)
61cbdc4b
LP		 2109 printf("\t What: %s\n", i->what);
2110
b8131a87 2111 if (i->accept)
61cbdc4b
LP		 2112 printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
2113
582a507f
LP		 2114 LIST_FOREACH(exec, p, i->exec) {
2115 char *t;
9a57c629 2116 bool good;
582a507f
LP		 2117
2118 /* Only show exited processes here */
2119 if (p->code == 0)
2120 continue;
2121
2122 t = strv_join(p->argv, " ");
9a57c629 2123 printf("\t Process: %u %s=%s ", p->pid, p->name, strna(t));
582a507f
LP		 2124 free(t);
2125
9a57c629
LP		 2126#ifdef HAVE_SYSV_COMPAT
2127 if (i->is_sysv)
2128 good = is_clean_exit_lsb(p->code, p->status);
2129 else
2130#endif
2131 good = is_clean_exit(p->code, p->status);
2132
2133 if (!good) {
2134 on = ansi_highlight(true);
2135 off = ansi_highlight(false);
2136 } else
2137 on = off = "";
2138
2139 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
2140
d06dacd0
LP		 2141 if (p->code == CLD_EXITED) {
2142 const char *c;
2143
582a507f 2144 printf("status=%i", p->status);
d06dacd0 2145
07459bb6 2146#ifdef HAVE_SYSV_COMPAT
d06dacd0 2147 if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
07459bb6
FF		 2148#else
2149 if ((c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD)))
2150#endif
d06dacd0
LP		 2151 printf("/%s", c);
2152
2153 } else
582a507f 2154 printf("signal=%s", signal_to_string(p->status));
9a57c629
LP		 2155
2156 printf(")%s\n", off);
2157
2158 on = off = NULL;
582a507f
LP		 2159
2160 if (i->main_pid == p->pid &&
2161 i->start_timestamp == p->start_timestamp &&
2162 i->exit_timestamp == p->start_timestamp)
2163 /* Let's not show this twice */
2164 i->main_pid = 0;
2165
2166 if (p->pid == i->control_pid)
2167 i->control_pid = 0;
2168 }
2169
61cbdc4b
LP		 2170 if (i->main_pid > 0 || i->control_pid > 0) {
2171 printf("\t");
2172
2173 if (i->main_pid > 0) {
f3d41013 2174 printf("Main PID: %u", (unsigned) i->main_pid);
61cbdc4b
LP		 2175
2176 if (i->running) {
2177 char *t = NULL;
2178 get_process_name(i->main_pid, &t);
2179 if (t) {
2180 printf(" (%s)", t);
2181 free(t);
2182 }
6d4fc029 2183 } else if (i->exit_code > 0) {
61cbdc4b
LP		 2184 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
2185
d06dacd0
LP		 2186 if (i->exit_code == CLD_EXITED) {
2187 const char *c;
2188
61cbdc4b 2189 printf("status=%i", i->exit_status);
d06dacd0 2190
07459bb6 2191#ifdef HAVE_SYSV_COMPAT
d06dacd0 2192 if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
07459bb6
FF		 2193#else
2194 if ((c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD)))
2195#endif
d06dacd0
LP		 2196 printf("/%s", c);
2197
2198 } else
582a507f 2199 printf("signal=%s", signal_to_string(i->exit_status));
6d4fc029
LP		 2200 printf(")");
2201 }
61cbdc4b
LP		 2202 }
2203
2204 if (i->main_pid > 0 && i->control_pid > 0)
2205 printf(";");
2206
2207 if (i->control_pid > 0) {
2208 char *t = NULL;
2209
2210 printf(" Control: %u", (unsigned) i->control_pid);
2211
2212 get_process_name(i->control_pid, &t);
2213 if (t) {
2214 printf(" (%s)", t);
2215 free(t);
2216 }
2217 }
2218
2219 printf("\n");
2220 }
2221
17bb7382
LP		 2222 if (i->status_text)
2223 printf("\t Status: \"%s\"\n", i->status_text);
2224
c59760ee 2225 if (i->default_control_group) {
ab35fb1b
LP		 2226 unsigned c;
2227
61cbdc4b 2228 printf("\t CGroup: %s\n", i->default_control_group);
ab35fb1b 2229
a8f11321
LP		 2230 if (arg_transport != TRANSPORT_SSH) {
2231 if ((c = columns()) > 18)
2232 c -= 18;
2233 else
2234 c = 0;
ab35fb1b 2235
a8f11321
LP		 2236 show_cgroup_by_path(i->default_control_group, "\t\t ", c);
2237 }
c59760ee 2238 }
45fb0699
LP		 2239
2240 if (i->need_daemon_reload)
2cc59dbf
LP		 2241 printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
2242 ansi_highlight(true),
2243 ansi_highlight(false),
729e3769 2244 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
61cbdc4b
LP		 2245}
2246
2247static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
2248
a4c279f8
LP		 2249 assert(name);
2250 assert(iter);
2251 assert(i);
2252
61cbdc4b
LP		 2253 switch (dbus_message_iter_get_arg_type(iter)) {
2254
2255 case DBUS_TYPE_STRING: {
2256 const char *s;
2257
2258 dbus_message_iter_get_basic(iter, &s);
2259
a4c279f8 2260 if (!isempty(s)) {
61cbdc4b
LP		 2261 if (streq(name, "Id"))
2262 i->id = s;
2263 else if (streq(name, "LoadState"))
2264 i->load_state = s;
2265 else if (streq(name, "ActiveState"))
2266 i->active_state = s;
2267 else if (streq(name, "SubState"))
2268 i->sub_state = s;
2269 else if (streq(name, "Description"))
2270 i->description = s;
2271 else if (streq(name, "FragmentPath"))
c31b4423 2272 i->path = s;
07459bb6 2273#ifdef HAVE_SYSV_COMPAT
d06dacd0
LP		 2274 else if (streq(name, "SysVPath")) {
2275 i->is_sysv = true;
c31b4423 2276 i->path = s;
07459bb6
FF		 2277 }
2278#endif
2279 else if (streq(name, "DefaultControlGroup"))
61cbdc4b
LP		 2280 i->default_control_group = s;
2281 else if (streq(name, "StatusText"))
2282 i->status_text = s;
2283 else if (streq(name, "SysFSPath"))
2284 i->sysfs_path = s;
2285 else if (streq(name, "Where"))
2286 i->where = s;
2287 else if (streq(name, "What"))
2288 i->what = s;
4a9e2fff
LP		 2289 else if (streq(name, "Following"))
2290 i->following = s;
a4375746
LP		 2291 else if (streq(name, "UnitFileState"))
2292 i->unit_file_state = s;
61cbdc4b
LP		 2293 }
2294
2295 break;
2296 }
2297
b8131a87
LP		 2298 case DBUS_TYPE_BOOLEAN: {
2299 dbus_bool_t b;
2300
2301 dbus_message_iter_get_basic(iter, &b);
2302
2303 if (streq(name, "Accept"))
2304 i->accept = b;
45fb0699
LP		 2305 else if (streq(name, "NeedDaemonReload"))
2306 i->need_daemon_reload = b;
90bbc946
LP		 2307 else if (streq(name, "ConditionResult"))
2308 i->condition_result = b;
b8131a87
LP		 2309
2310 break;
2311 }
2312
61cbdc4b
LP		 2313 case DBUS_TYPE_UINT32: {
2314 uint32_t u;
2315
2316 dbus_message_iter_get_basic(iter, &u);
2317
2318 if (streq(name, "MainPID")) {
2319 if (u > 0) {
2320 i->main_pid = (pid_t) u;
2321 i->running = true;
2322 }
2323 } else if (streq(name, "ControlPID"))
2324 i->control_pid = (pid_t) u;
2325 else if (streq(name, "ExecMainPID")) {
2326 if (u > 0)
2327 i->main_pid = (pid_t) u;
2328 } else if (streq(name, "NAccepted"))
2329 i->n_accepted = u;
2330 else if (streq(name, "NConnections"))
2331 i->n_connections = u;
2332
2333 break;
2334 }
2335
2336 case DBUS_TYPE_INT32: {
2337 int32_t j;
2338
2339 dbus_message_iter_get_basic(iter, &j);
2340
2341 if (streq(name, "ExecMainCode"))
2342 i->exit_code = (int) j;
2343 else if (streq(name, "ExecMainStatus"))
2344 i->exit_status = (int) j;
2345
2346 break;
2347 }
2348
2349 case DBUS_TYPE_UINT64: {
2350 uint64_t u;
2351
2352 dbus_message_iter_get_basic(iter, &u);
2353
2354 if (streq(name, "ExecMainStartTimestamp"))
2355 i->start_timestamp = (usec_t) u;
2356 else if (streq(name, "ExecMainExitTimestamp"))
2357 i->exit_timestamp = (usec_t) u;
584be568
LP		 2358 else if (streq(name, "ActiveEnterTimestamp"))
2359 i->active_enter_timestamp = (usec_t) u;
2360 else if (streq(name, "InactiveEnterTimestamp"))
2361 i->inactive_enter_timestamp = (usec_t) u;
2362 else if (streq(name, "InactiveExitTimestamp"))
2363 i->inactive_exit_timestamp = (usec_t) u;
2364 else if (streq(name, "ActiveExitTimestamp"))
2365 i->active_exit_timestamp = (usec_t) u;
90bbc946
LP		 2366 else if (streq(name, "ConditionTimestamp"))
2367 i->condition_timestamp = (usec_t) u;
61cbdc4b
LP		 2368
2369 break;
2370 }
582a507f
LP		 2371
2372 case DBUS_TYPE_ARRAY: {
2373
2374 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
2375 startswith(name, "Exec")) {
2376 DBusMessageIter sub;
2377
2378 dbus_message_iter_recurse(iter, &sub);
2379 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2380 ExecStatusInfo *info;
2381 int r;
2382
2383 if (!(info = new0(ExecStatusInfo, 1)))
2384 return -ENOMEM;
2385
0129173a
LP		 2386 if (!(info->name = strdup(name))) {
2387 free(info);
2388 return -ENOMEM;
2389 }
2390
582a507f
LP		 2391 if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
2392 free(info);
2393 return r;
2394 }
2395
2396 LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
2397
2398 dbus_message_iter_next(&sub);
2399 }
2400 }
2401
2402 break;
2403 }
9f39404c
LP		 2404
2405 case DBUS_TYPE_STRUCT: {
2406
2407 if (streq(name, "LoadError")) {
2408 DBusMessageIter sub;
2409 const char *n, *message;
2410 int r;
2411
2412 dbus_message_iter_recurse(iter, &sub);
2413
2414 r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &n, true);
2415 if (r < 0)
2416 return r;
2417
2418 r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &message, false);
2419 if (r < 0)
2420 return r;
2421
2422 if (!isempty(message))
2423 i->load_error = message;
2424 }
2425
2426 break;
2427 }
61cbdc4b
LP		 2428 }
2429
2430 return 0;
2431}
2432
48220598
LP		 2433static int print_property(const char *name, DBusMessageIter *iter) {
2434 assert(name);
2435 assert(iter);
2436
61cbdc4b
LP		 2437 /* This is a low-level property printer, see
2438 * print_status_info() for the nicer output */
2439
ea4a240d 2440 if (arg_property && !strv_find(arg_property, name))
48220598
LP		 2441 return 0;
2442
2443 switch (dbus_message_iter_get_arg_type(iter)) {
2444
48220598
LP		 2445 case DBUS_TYPE_STRUCT: {
2446 DBusMessageIter sub;
2447 dbus_message_iter_recurse(iter, &sub);
2448
ebf57b80 2449 if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) {
48220598
LP		 2450 uint32_t u;
2451
2452 dbus_message_iter_get_basic(&sub, &u);
2453
2454 if (u)
2455 printf("%s=%u\n", name, (unsigned) u);
2456 else if (arg_all)
2457 printf("%s=\n", name);
2458
2459 return 0;
ebf57b80 2460 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) {
48220598
LP		 2461 const char *s;
2462
2463 dbus_message_iter_get_basic(&sub, &s);
2464
2465 if (arg_all || s[0])
2466 printf("%s=%s\n", name, s);
2467
2468 return 0;
9f39404c
LP		 2469 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "LoadError")) {
2470 const char *a = NULL, *b = NULL;
2471
2472 if (bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &a, true) > 0)
2473 bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &b, false);
2474
2475 if (arg_all || !isempty(a) || !isempty(b))
2476 printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
48220598
LP		 2477 }
2478
2479 break;
2480 }
2481
2482 case DBUS_TYPE_ARRAY:
2483
a4c279f8 2484 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
8c7be95e
LP		 2485 DBusMessageIter sub, sub2;
2486
2487 dbus_message_iter_recurse(iter, &sub);
2488 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2489 const char *path;
2490 dbus_bool_t ignore;
2491
2492 dbus_message_iter_recurse(&sub, &sub2);
2493
2494 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 &&
2495 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0)
ecdcbc5e 2496 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
8c7be95e
LP		 2497
2498 dbus_message_iter_next(&sub);
2499 }
2500
2501 return 0;
2502
ebf57b80
LP		 2503 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
2504 DBusMessageIter sub, sub2;
2505
2506 dbus_message_iter_recurse(iter, &sub);
ebf57b80
LP		 2507 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2508 const char *type, *path;
2509
2510 dbus_message_iter_recurse(&sub, &sub2);
2511
2512 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 &&
2513 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0)
2514 printf("%s=%s\n", type, path);
2515
2516 dbus_message_iter_next(&sub);
2517 }
2518
707e5e52 2519 return 0;
582a507f 2520
707e5e52
LP		 2521 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
2522 DBusMessageIter sub, sub2;
2523
2524 dbus_message_iter_recurse(iter, &sub);
707e5e52
LP		 2525 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2526 const char *base;
2527 uint64_t value, next_elapse;
2528
2529 dbus_message_iter_recurse(&sub, &sub2);
2530
2531 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 &&
2532 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 &&
552e4331
LP		 2533 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 0) {
2534 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
2535
2536 printf("%s={ value=%s ; next_elapse=%s }\n",
fe68089d 2537 base,
552e4331
LP		 2538 format_timespan(timespan1, sizeof(timespan1), value),
2539 format_timespan(timespan2, sizeof(timespan2), next_elapse));
2540 }
fe68089d
LP		 2541
2542 dbus_message_iter_next(&sub);
2543 }
2544
2545 return 0;
fe68089d 2546
582a507f
LP		 2547 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
2548 DBusMessageIter sub;
fe68089d
LP		 2549
2550 dbus_message_iter_recurse(iter, &sub);
fe68089d 2551 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
582a507f 2552 ExecStatusInfo info;
fe68089d 2553
582a507f
LP		 2554 zero(info);
2555 if (exec_status_info_deserialize(&sub, &info) >= 0) {
fe68089d 2556 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
582a507f
LP		 2557 char *t;
2558
2559 t = strv_join(info.argv, " ");
2560
ecdcbc5e 2561 printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
582a507f
LP		 2562 name,
2563 strna(info.path),
2564 strna(t),
b708e7ce 2565 yes_no(info.ignore),
582a507f
LP		 2566 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
2567 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
2568 (unsigned) info. pid,
2569 sigchld_code_to_string(info.code),
2570 info.status,
2571 info.code == CLD_EXITED ? "" : "/",
2572 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
fe68089d 2573
582a507f 2574 free(t);
fe68089d
LP		 2575 }
2576
582a507f
LP		 2577 free(info.path);
2578 strv_free(info.argv);
707e5e52
LP		 2579
2580 dbus_message_iter_next(&sub);
2581 }
2582
48220598
LP		 2583 return 0;
2584 }
2585
2586 break;
2587 }
2588
a4c279f8
LP		 2589 if (generic_print_property(name, iter, arg_all) > 0)
2590 return 0;
2591
48220598
LP		 2592 if (arg_all)
2593 printf("%s=[unprintable]\n", name);
2594
2595 return 0;
2596}
2597
be8088a2 2598static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
48220598
LP		 2599 DBusMessage *m = NULL, *reply = NULL;
2600 const char *interface = "";
2601 int r;
2602 DBusError error;
2603 DBusMessageIter iter, sub, sub2, sub3;
61cbdc4b 2604 UnitStatusInfo info;
582a507f 2605 ExecStatusInfo *p;
48220598
LP		 2606
2607 assert(bus);
2608 assert(path);
61cbdc4b 2609 assert(new_line);
48220598 2610
61cbdc4b 2611 zero(info);
48220598
LP		 2612 dbus_error_init(&error);
2613
2614 if (!(m = dbus_message_new_method_call(
2615 "org.freedesktop.systemd1",
2616 path,
2617 "org.freedesktop.DBus.Properties",
2618 "GetAll"))) {
2619 log_error("Could not allocate message.");
2620 r = -ENOMEM;
2621 goto finish;
2622 }
2623
2624 if (!dbus_message_append_args(m,
2625 DBUS_TYPE_STRING, &interface,
2626 DBUS_TYPE_INVALID)) {
2627 log_error("Could not append arguments to message.");
2628 r = -ENOMEM;
2629 goto finish;
2630 }
2631
2632 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2633 log_error("Failed to issue method call: %s", bus_error_message(&error));
48220598
LP		 2634 r = -EIO;
2635 goto finish;
2636 }
2637
2638 if (!dbus_message_iter_init(reply, &iter) ||
2639 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
2640 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
2641 log_error("Failed to parse reply.");
2642 r = -EIO;
2643 goto finish;
2644 }
2645
2646 dbus_message_iter_recurse(&iter, &sub);
2647
61cbdc4b
LP		 2648 if (*new_line)
2649 printf("\n");
2650
2651 *new_line = true;
2652
48220598
LP		 2653 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
2654 const char *name;
2655
2656 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
2657 log_error("Failed to parse reply.");
2658 r = -EIO;
2659 goto finish;
2660 }
2661
2662 dbus_message_iter_recurse(&sub, &sub2);
0183528f 2663
48220598
LP		 2664 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
2665 log_error("Failed to parse reply.");
2666 r = -EIO;
2667 goto finish;
2668 }
2669
2670 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
2671 log_error("Failed to parse reply.");
2672 r = -EIO;
2673 goto finish;
2674 }
2675
2676 dbus_message_iter_recurse(&sub2, &sub3);
2677
61cbdc4b
LP		 2678 if (show_properties)
2679 r = print_property(name, &sub3);
2680 else
2681 r = status_property(name, &sub3, &info);
2682
2683 if (r < 0) {
48220598
LP		 2684 log_error("Failed to parse reply.");
2685 r = -EIO;
2686 goto finish;
2687 }
2688
2689 dbus_message_iter_next(&sub);
2690 }
2691
f1e36d67
LP		 2692 r = 0;
2693
22f4096c
LP		 2694 if (!show_properties)
2695 print_status_info(&info);
f1e36d67 2696
22f4096c 2697 if (!streq_ptr(info.active_state, "active") &&
be8088a2
LP		 2698 !streq_ptr(info.active_state, "reloading") &&
2699 streq(verb, "status"))
22f4096c
LP		 2700 /* According to LSB: "program not running" */
2701 r = 3;
61cbdc4b 2702
582a507f
LP		 2703 while ((p = info.exec)) {
2704 LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
2705 exec_status_info_free(p);
2706 }
2707
48220598
LP		 2708finish:
2709 if (m)
2710 dbus_message_unref(m);
2711
2712 if (reply)
2713 dbus_message_unref(reply);
2714
2715 dbus_error_free(&error);
2716
2717 return r;
2718}
2719
729e3769 2720static int show(DBusConnection *bus, char **args) {
48220598 2721 DBusMessage *m = NULL, *reply = NULL;
22f4096c 2722 int r, ret = 0;
48220598 2723 DBusError error;
61cbdc4b 2724 bool show_properties, new_line = false;
729e3769 2725 char **name;
48220598
LP		 2726
2727 assert(bus);
2728 assert(args);
2729
2730 dbus_error_init(&error);
2731
61cbdc4b
LP		 2732 show_properties = !streq(args[0], "status");
2733
ec14911e 2734 if (show_properties)
1968a360 2735 pager_open_if_enabled();
ec14911e 2736
729e3769 2737 if (show_properties && strv_length(args) <= 1) {
48220598
LP		 2738 /* If not argument is specified inspect the manager
2739 * itself */
2740
be8088a2 2741 ret = show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line);
48220598
LP		 2742 goto finish;
2743 }
2744
729e3769 2745 STRV_FOREACH(name, args+1) {
48220598
LP		 2746 const char *path = NULL;
2747 uint32_t id;
2748
729e3769 2749 if (safe_atou32(*name, &id) < 0) {
598b557b
LP		 2750
2751 /* Interpret as unit name */
48220598
LP		 2752
2753 if (!(m = dbus_message_new_method_call(
2754 "org.freedesktop.systemd1",
2755 "/org/freedesktop/systemd1",
2756 "org.freedesktop.systemd1.Manager",
e87d1818 2757 "LoadUnit"))) {
48220598 2758 log_error("Could not allocate message.");
22f4096c 2759 ret = -ENOMEM;
48220598
LP		 2760 goto finish;
2761 }
2762
2763 if (!dbus_message_append_args(m,
729e3769 2764 DBUS_TYPE_STRING, name,
48220598
LP		 2765 DBUS_TYPE_INVALID)) {
2766 log_error("Could not append arguments to message.");
22f4096c 2767 ret = -ENOMEM;
48220598
LP		 2768 goto finish;
2769 }
2770
ed2d7a44
LP		 2771 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
2772
2773 if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
4cf5d675 2774 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2775 ret = -EIO;
ed2d7a44
LP		 2776 goto finish;
2777 }
2778
2779 dbus_error_free(&error);
2780
2781 dbus_message_unref(m);
2782 if (!(m = dbus_message_new_method_call(
2783 "org.freedesktop.systemd1",
2784 "/org/freedesktop/systemd1",
2785 "org.freedesktop.systemd1.Manager",
2786 "GetUnit"))) {
2787 log_error("Could not allocate message.");
22f4096c 2788 ret = -ENOMEM;
ed2d7a44
LP		 2789 goto finish;
2790 }
2791
2792 if (!dbus_message_append_args(m,
729e3769 2793 DBUS_TYPE_STRING, name,
ed2d7a44
LP		 2794 DBUS_TYPE_INVALID)) {
2795 log_error("Could not append arguments to message.");
22f4096c 2796 ret = -ENOMEM;
ed2d7a44
LP		 2797 goto finish;
2798 }
2799
2800 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2801 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c
LP		 2802
2803 if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT))
2804 ret = 4; /* According to LSB: "program or service status is unknown" */
2805 else
2806 ret = -EIO;
ed2d7a44
LP		 2807 goto finish;
2808 }
2809 }
2810
598b557b
LP		 2811 } else if (show_properties) {
2812
2813 /* Interpret as job id */
48220598
LP		 2814
2815 if (!(m = dbus_message_new_method_call(
2816 "org.freedesktop.systemd1",
2817 "/org/freedesktop/systemd1",
2818 "org.freedesktop.systemd1.Manager",
2819 "GetJob"))) {
2820 log_error("Could not allocate message.");
22f4096c 2821 ret = -ENOMEM;
48220598
LP		 2822 goto finish;
2823 }
2824
2825 if (!dbus_message_append_args(m,
2826 DBUS_TYPE_UINT32, &id,
2827 DBUS_TYPE_INVALID)) {
2828 log_error("Could not append arguments to message.");
22f4096c 2829 ret = -ENOMEM;
48220598
LP		 2830 goto finish;
2831 }
48220598 2832
598b557b 2833 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2834 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2835 ret = -EIO;
598b557b
LP		 2836 goto finish;
2837 }
2838 } else {
2839
2840 /* Interpret as PID */
2841
2842 if (!(m = dbus_message_new_method_call(
2843 "org.freedesktop.systemd1",
2844 "/org/freedesktop/systemd1",
2845 "org.freedesktop.systemd1.Manager",
2846 "GetUnitByPID"))) {
2847 log_error("Could not allocate message.");
22f4096c 2848 ret = -ENOMEM;
598b557b
LP		 2849 goto finish;
2850 }
2851
2852 if (!dbus_message_append_args(m,
2853 DBUS_TYPE_UINT32, &id,
2854 DBUS_TYPE_INVALID)) {
2855 log_error("Could not append arguments to message.");
22f4096c 2856 ret = -ENOMEM;
598b557b
LP		 2857 goto finish;
2858 }
2859
ed2d7a44 2860 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2861 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2862 ret = -EIO;
ed2d7a44
LP		 2863 goto finish;
2864 }
48220598
LP		 2865 }
2866
2867 if (!dbus_message_get_args(reply, &error,
2868 DBUS_TYPE_OBJECT_PATH, &path,
2869 DBUS_TYPE_INVALID)) {
4cf5d675 2870 log_error("Failed to parse reply: %s", bus_error_message(&error));
22f4096c 2871 ret = -EIO;
48220598
LP		 2872 goto finish;
2873 }
2874
be8088a2 2875 if ((r = show_one(args[0], bus, path, show_properties, &new_line)) != 0)
22f4096c 2876 ret = r;
48220598
LP		 2877
2878 dbus_message_unref(m);
2879 dbus_message_unref(reply);
2880 m = reply = NULL;
2881 }
2882
48220598
LP		 2883finish:
2884 if (m)
2885 dbus_message_unref(m);
2886
2887 if (reply)
2888 dbus_message_unref(reply);
2889
2890 dbus_error_free(&error);
2891
22f4096c 2892 return ret;
0183528f
LP		 2893}
2894
729e3769 2895static int dump(DBusConnection *bus, char **args) {
7e4249b9
LP		 2896 DBusMessage *m = NULL, *reply = NULL;
2897 DBusError error;
2898 int r;
2899 const char *text;
2900
2901 dbus_error_init(&error);
2902
1968a360 2903 pager_open_if_enabled();
ec14911e 2904
7e4249b9
LP		 2905 if (!(m = dbus_message_new_method_call(
2906 "org.freedesktop.systemd1",
2907 "/org/freedesktop/systemd1",
2908 "org.freedesktop.systemd1.Manager",
2909 "Dump"))) {
2910 log_error("Could not allocate message.");
2911 return -ENOMEM;
2912 }
2913
2914 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2915 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 2916 r = -EIO;
2917 goto finish;
2918 }
2919
2920 if (!dbus_message_get_args(reply, &error,
2921 DBUS_TYPE_STRING, &text,
2922 DBUS_TYPE_INVALID)) {
4cf5d675 2923 log_error("Failed to parse reply: %s", bus_error_message(&error));
7e4249b9
LP		 2924 r = -EIO;
2925 goto finish;
2926 }
2927
2928 fputs(text, stdout);
2929
2930 r = 0;
2931
2932finish:
2933 if (m)
2934 dbus_message_unref(m);
2935
2936 if (reply)
2937 dbus_message_unref(reply);
2938
2939 dbus_error_free(&error);
2940
2941 return r;
2942}
2943
729e3769 2944static int snapshot(DBusConnection *bus, char **args) {
7e4249b9
LP		 2945 DBusMessage *m = NULL, *reply = NULL;
2946 DBusError error;
2947 int r;
2948 const char *name = "", *path, *id;
2949 dbus_bool_t cleanup = FALSE;
2950 DBusMessageIter iter, sub;
2951 const char
2952 *interface = "org.freedesktop.systemd1.Unit",
2953 *property = "Id";
2954
2955 dbus_error_init(&error);
2956
2957 if (!(m = dbus_message_new_method_call(
2958 "org.freedesktop.systemd1",
2959 "/org/freedesktop/systemd1",
2960 "org.freedesktop.systemd1.Manager",
2961 "CreateSnapshot"))) {
2962 log_error("Could not allocate message.");
2963 return -ENOMEM;
2964 }
2965
729e3769 2966 if (strv_length(args) > 1)
7e4249b9
LP		 2967 name = args[1];
2968
2969 if (!dbus_message_append_args(m,
2970 DBUS_TYPE_STRING, &name,
2971 DBUS_TYPE_BOOLEAN, &cleanup,
2972 DBUS_TYPE_INVALID)) {
2973 log_error("Could not append arguments to message.");
2974 r = -ENOMEM;
2975 goto finish;
2976 }
2977
2978 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2979 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 2980 r = -EIO;
2981 goto finish;
2982 }
2983
2984 if (!dbus_message_get_args(reply, &error,
2985 DBUS_TYPE_OBJECT_PATH, &path,
2986 DBUS_TYPE_INVALID)) {
4cf5d675 2987 log_error("Failed to parse reply: %s", bus_error_message(&error));
7e4249b9
LP		 2988 r = -EIO;
2989 goto finish;
2990 }
2991
2992 dbus_message_unref(m);
2993 if (!(m = dbus_message_new_method_call(
2994 "org.freedesktop.systemd1",
2995 path,
2996 "org.freedesktop.DBus.Properties",
2997 "Get"))) {
2998 log_error("Could not allocate message.");
2999 return -ENOMEM;
3000 }
3001
3002 if (!dbus_message_append_args(m,
3003 DBUS_TYPE_STRING, &interface,
3004 DBUS_TYPE_STRING, &property,
3005 DBUS_TYPE_INVALID)) {
3006 log_error("Could not append arguments to message.");
3007 r = -ENOMEM;
3008 goto finish;
3009 }
3010
3011 dbus_message_unref(reply);
3012 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3013 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3014 r = -EIO;
3015 goto finish;
3016 }
3017
3018 if (!dbus_message_iter_init(reply, &iter) ||
3019 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3020 log_error("Failed to parse reply.");
3021 r = -EIO;
3022 goto finish;
3023 }
3024
3025 dbus_message_iter_recurse(&iter, &sub);
3026
3027 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
3028 log_error("Failed to parse reply.");
3029 r = -EIO;
3030 goto finish;
3031 }
3032
3033 dbus_message_iter_get_basic(&sub, &id);
0183528f
LP		 3034
3035 if (!arg_quiet)
3036 puts(id);
7e4249b9
LP		 3037 r = 0;
3038
3039finish:
3040 if (m)
3041 dbus_message_unref(m);
3042
3043 if (reply)
3044 dbus_message_unref(reply);
3045
3046 dbus_error_free(&error);
3047
3048 return r;
3049}
3050
729e3769 3051static int delete_snapshot(DBusConnection *bus, char **args) {
6759e7a7
LP		 3052 DBusMessage *m = NULL, *reply = NULL;
3053 int r;
3054 DBusError error;
729e3769 3055 char **name;
6759e7a7
LP		 3056
3057 assert(bus);
3058 assert(args);
3059
3060 dbus_error_init(&error);
3061
729e3769 3062 STRV_FOREACH(name, args+1) {
6759e7a7
LP		 3063 const char *path = NULL;
3064
3065 if (!(m = dbus_message_new_method_call(
3066 "org.freedesktop.systemd1",
3067 "/org/freedesktop/systemd1",
3068 "org.freedesktop.systemd1.Manager",
3069 "GetUnit"))) {
3070 log_error("Could not allocate message.");
3071 r = -ENOMEM;
3072 goto finish;
3073 }
3074
3075 if (!dbus_message_append_args(m,
729e3769 3076 DBUS_TYPE_STRING, name,
6759e7a7
LP		 3077 DBUS_TYPE_INVALID)) {
3078 log_error("Could not append arguments to message.");
3079 r = -ENOMEM;
3080 goto finish;
3081 }
3082
3083 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3084 log_error("Failed to issue method call: %s", bus_error_message(&error));
6759e7a7
LP		 3085 r = -EIO;
3086 goto finish;
3087 }
3088
3089 if (!dbus_message_get_args(reply, &error,
3090 DBUS_TYPE_OBJECT_PATH, &path,
3091 DBUS_TYPE_INVALID)) {
4cf5d675 3092 log_error("Failed to parse reply: %s", bus_error_message(&error));
6759e7a7
LP		 3093 r = -EIO;
3094 goto finish;
3095 }
3096
3097 dbus_message_unref(m);
3098 if (!(m = dbus_message_new_method_call(
3099 "org.freedesktop.systemd1",
3100 path,
3101 "org.freedesktop.systemd1.Snapshot",
3102 "Remove"))) {
3103 log_error("Could not allocate message.");
3104 r = -ENOMEM;
3105 goto finish;
3106 }
3107
3108 dbus_message_unref(reply);
3109 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3110 log_error("Failed to issue method call: %s", bus_error_message(&error));
6759e7a7
LP		 3111 r = -EIO;
3112 goto finish;
3113 }
3114
3115 dbus_message_unref(m);
3116 dbus_message_unref(reply);
3117 m = reply = NULL;
3118 }
3119
3120 r = 0;
3121
3122finish:
3123 if (m)
3124 dbus_message_unref(m);
3125
3126 if (reply)
3127 dbus_message_unref(reply);
3128
3129 dbus_error_free(&error);
3130
3131 return r;
3132}
3133
729e3769 3134static int daemon_reload(DBusConnection *bus, char **args) {
7e4249b9
LP		 3135 DBusMessage *m = NULL, *reply = NULL;
3136 DBusError error;
3137 int r;
3138 const char *method;
3139
3140 dbus_error_init(&error);
3141
e4b61340
LP		 3142 if (arg_action == ACTION_RELOAD)
3143 method = "Reload";
3144 else if (arg_action == ACTION_REEXEC)
3145 method = "Reexecute";
3146 else {
3147 assert(arg_action == ACTION_SYSTEMCTL);
3148
3149 method =
20b09ca7
LP		 3150 streq(args[0], "clear-jobs") ||
3151 streq(args[0], "cancel") ? "ClearJobs" :
3152 streq(args[0], "daemon-reexec") ? "Reexecute" :
3153 streq(args[0], "reset-failed") ? "ResetFailed" :
3154 streq(args[0], "halt") ? "Halt" :
3155 streq(args[0], "poweroff") ? "PowerOff" :
3156 streq(args[0], "reboot") ? "Reboot" :
3157 streq(args[0], "kexec") ? "KExec" :
3158 streq(args[0], "exit") ? "Exit" :
3159 /* "daemon-reload" */ "Reload";
e4b61340 3160 }
7e4249b9
LP		 3161
3162 if (!(m = dbus_message_new_method_call(
3163 "org.freedesktop.systemd1",
3164 "/org/freedesktop/systemd1",
3165 "org.freedesktop.systemd1.Manager",
3166 method))) {
3167 log_error("Could not allocate message.");
3168 return -ENOMEM;
3169 }
3170
3171 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
e4b61340
LP		 3172
3173 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
3174 /* There's always a fallback possible for
3175 * legacy actions. */
aabd9b11 3176 r = -EADDRNOTAVAIL;
e4b61340
LP		 3177 goto finish;
3178 }
3179
b23de6af
LP		 3180 if (streq(method, "Reexecute") && dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY)) {
3181 /* On reexecution, we expect a disconnect, not
3182 * a reply */
3183 r = 0;
3184 goto finish;
3185 }
3186
4cf5d675 3187 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3188 r = -EIO;
3189 goto finish;
3190 }
3191
aabd9b11 3192 r = 0;
7e4249b9
LP		 3193
3194finish:
3195 if (m)
3196 dbus_message_unref(m);
3197
3198 if (reply)
3199 dbus_message_unref(reply);
3200
3201 dbus_error_free(&error);
3202
3203 return r;
3204}
3205
729e3769 3206static int reset_failed(DBusConnection *bus, char **args) {
5632e374 3207 DBusMessage *m = NULL, *reply = NULL;
5632e374
LP		 3208 int r;
3209 DBusError error;
729e3769 3210 char **name;
5632e374
LP		 3211
3212 assert(bus);
3213 dbus_error_init(&error);
3214
729e3769
LP		 3215 if (strv_length(args) <= 1)
3216 return daemon_reload(bus, args);
5632e374 3217
729e3769 3218 STRV_FOREACH(name, args+1) {
5632e374
LP		 3219
3220 if (!(m = dbus_message_new_method_call(
3221 "org.freedesktop.systemd1",
3222 "/org/freedesktop/systemd1",
3223 "org.freedesktop.systemd1.Manager",
fdf20a31 3224 "ResetFailedUnit"))) {
5632e374
LP		 3225 log_error("Could not allocate message.");
3226 r = -ENOMEM;
3227 goto finish;
3228 }
3229
3230 if (!dbus_message_append_args(m,
729e3769 3231 DBUS_TYPE_STRING, name,
5632e374
LP		 3232 DBUS_TYPE_INVALID)) {
3233 log_error("Could not append arguments to message.");
3234 r = -ENOMEM;
3235 goto finish;
3236 }
3237
3238 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3239 log_error("Failed to issue method call: %s", bus_error_message(&error));
5632e374
LP		 3240 r = -EIO;
3241 goto finish;
3242 }
3243
3244 dbus_message_unref(m);
3245 dbus_message_unref(reply);
3246 m = reply = NULL;
3247 }
3248
3249 r = 0;
3250
3251finish:
3252 if (m)
3253 dbus_message_unref(m);
3254
3255 if (reply)
3256 dbus_message_unref(reply);
3257
3258 dbus_error_free(&error);
3259
3260 return r;
3261}
3262
729e3769 3263static int show_enviroment(DBusConnection *bus, char **args) {
7e4249b9
LP		 3264 DBusMessage *m = NULL, *reply = NULL;
3265 DBusError error;
3266 DBusMessageIter iter, sub, sub2;
3267 int r;
3268 const char
3269 *interface = "org.freedesktop.systemd1.Manager",
3270 *property = "Environment";
3271
3272 dbus_error_init(&error);
3273
1968a360 3274 pager_open_if_enabled();
ec14911e 3275
7e4249b9
LP		 3276 if (!(m = dbus_message_new_method_call(
3277 "org.freedesktop.systemd1",
3278 "/org/freedesktop/systemd1",
3279 "org.freedesktop.DBus.Properties",
3280 "Get"))) {
3281 log_error("Could not allocate message.");
3282 return -ENOMEM;
3283 }
3284
3285 if (!dbus_message_append_args(m,
3286 DBUS_TYPE_STRING, &interface,
3287 DBUS_TYPE_STRING, &property,
3288 DBUS_TYPE_INVALID)) {
3289 log_error("Could not append arguments to message.");
3290 r = -ENOMEM;
3291 goto finish;
3292 }
3293
3294 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3295 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3296 r = -EIO;
3297 goto finish;
3298 }
3299
3300 if (!dbus_message_iter_init(reply, &iter) ||
3301 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3302 log_error("Failed to parse reply.");
3303 r = -EIO;
3304 goto finish;
3305 }
3306
3307 dbus_message_iter_recurse(&iter, &sub);
3308
3309 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
3310 dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
3311 log_error("Failed to parse reply.");
3312 r = -EIO;
3313 goto finish;
3314 }
3315
3316 dbus_message_iter_recurse(&sub, &sub2);
3317
3318 while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
3319 const char *text;
3320
3321 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
3322 log_error("Failed to parse reply.");
3323 r = -EIO;
3324 goto finish;
3325 }
3326
3327 dbus_message_iter_get_basic(&sub2, &text);
3328 printf("%s\n", text);
3329
3330 dbus_message_iter_next(&sub2);
3331 }
3332
3333 r = 0;
3334
3335finish:
3336 if (m)
3337 dbus_message_unref(m);
3338
3339 if (reply)
3340 dbus_message_unref(reply);
3341
3342 dbus_error_free(&error);
3343
3344 return r;
3345}
3346
729e3769 3347static int set_environment(DBusConnection *bus, char **args) {
7e4249b9
LP		 3348 DBusMessage *m = NULL, *reply = NULL;
3349 DBusError error;
3350 int r;
3351 const char *method;
3352 DBusMessageIter iter, sub;
729e3769 3353 char **name;
7e4249b9
LP		 3354
3355 dbus_error_init(&error);
3356
3357 method = streq(args[0], "set-environment")
3358 ? "SetEnvironment"
3359 : "UnsetEnvironment";
3360
3361 if (!(m = dbus_message_new_method_call(
3362 "org.freedesktop.systemd1",
3363 "/org/freedesktop/systemd1",
3364 "org.freedesktop.systemd1.Manager",
3365 method))) {
3366
3367 log_error("Could not allocate message.");
3368 return -ENOMEM;
3369 }
3370
3371 dbus_message_iter_init_append(m, &iter);
3372
3373 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
3374 log_error("Could not append arguments to message.");
3375 r = -ENOMEM;
3376 goto finish;
3377 }
3378
729e3769
LP		 3379 STRV_FOREACH(name, args+1)
3380 if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) {
7e4249b9
LP		 3381 log_error("Could not append arguments to message.");
3382 r = -ENOMEM;
3383 goto finish;
3384 }
3385
3386 if (!dbus_message_iter_close_container(&iter, &sub)) {
3387 log_error("Could not append arguments to message.");
3388 r = -ENOMEM;
3389 goto finish;
3390 }
3391
3392 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3393 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3394 r = -EIO;
3395 goto finish;
3396 }
3397
3398 r = 0;
3399
3400finish:
3401 if (m)
3402 dbus_message_unref(m);
3403
3404 if (reply)
3405 dbus_message_unref(reply);
3406
3407 dbus_error_free(&error);
3408
3409 return r;
3410}
3411
729e3769
LP		 3412static int enable_sysv_units(char **args) {
3413 int r = 0;
ee5762e3 3414
729e3769
LP		 3415#if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX))
3416 const char *verb = args[0];
3417 unsigned f = 1, t = 1;
3418 LookupPaths paths;
ee5762e3 3419
729e3769
LP		 3420 if (arg_scope != UNIT_FILE_SYSTEM)
3421 return 0;
ee5762e3 3422
729e3769
LP		 3423 if (!streq(verb, "enable") &&
3424 !streq(verb, "disable") &&
3425 !streq(verb, "is-enabled"))
3426 return 0;
ee5762e3 3427
729e3769
LP		 3428 /* Processes all SysV units, and reshuffles the array so that
3429 * afterwards only the native units remain */
ee5762e3 3430
729e3769
LP		 3431 zero(paths);
3432 r = lookup_paths_init(&paths, MANAGER_SYSTEM, false);
3433 if (r < 0)
3434 return r;
ee5762e3 3435
729e3769 3436 r = 0;
ee5762e3 3437
729e3769
LP		 3438 for (f = 1; args[f]; f++) {
3439 const char *name;
3440 char *p;
3441 bool found_native = false, found_sysv;
3442 unsigned c = 1;
3443 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
3444 char **k, *l, *q = NULL;
3445 int j;
3446 pid_t pid;
3447 siginfo_t status;
ee5762e3 3448
729e3769 3449 name = args[f];
ee5762e3 3450
729e3769
LP		 3451 if (!endswith(name, ".service"))
3452 continue;
ee5762e3 3453
729e3769
LP		 3454 if (path_is_absolute(name))
3455 continue;
ee5762e3 3456
729e3769
LP		 3457 STRV_FOREACH(k, paths.unit_path) {
3458 p = NULL;
ee5762e3 3459
729e3769
LP		 3460 if (!isempty(arg_root))
3461 asprintf(&p, "%s/%s/%s", arg_root, *k, name);
3462 else
3463 asprintf(&p, "%s/%s", *k, name);
ee5762e3 3464
729e3769
LP		 3465 if (!p) {
3466 log_error("No memory");
3467 r = -ENOMEM;
3468 goto finish;
3469 }
ee5762e3 3470
729e3769
LP		 3471 found_native = access(p, F_OK) >= 0;
3472 free(p);
ee5762e3 3473
729e3769
LP		 3474 if (found_native)
3475 break;
3476 }
ee5762e3 3477
729e3769
LP		 3478 if (found_native)
3479 continue;
ee5762e3 3480
729e3769
LP		 3481 p = NULL;
3482 if (!isempty(arg_root))
3483 asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name);
3484 else
3485 asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name);
3486 if (!p) {
3487 log_error("No memory");
3488 r = -ENOMEM;
3489 goto finish;
3490 }
ee5762e3 3491
729e3769
LP		 3492 p[strlen(p) - sizeof(".service") + 1] = 0;
3493 found_sysv = access(p, F_OK) >= 0;
ee5762e3 3494
729e3769
LP		 3495 if (!found_sysv) {
3496 free(p);
3497 continue;
71fad675
LP		 3498 }
3499
729e3769
LP		 3500 /* Mark this entry, so that we don't try enabling it as native unit */
3501 args[f] = (char*) "";
ee5762e3 3502
729e3769 3503 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
ee5762e3 3504
729e3769
LP		 3505 if (!isempty(arg_root))
3506 argv[c++] = q = strappend("--root=", arg_root);
ee5762e3 3507
729e3769
LP		 3508 argv[c++] = file_name_from_path(p);
3509 argv[c++] =
3510 streq(verb, "enable") ? "on" :
3511 streq(verb, "disable") ? "off" : "--level=5";
3512 argv[c] = NULL;
ee5762e3 3513
729e3769
LP		 3514 l = strv_join((char**)argv, " ");
3515 if (!l) {
3516 log_error("No memory.");
3517 free(q);
3518 free(p);
3519 r = -ENOMEM;
3520 goto finish;
3521 }
ee5762e3 3522
729e3769
LP		 3523 log_info("Executing %s", l);
3524 free(l);
ee5762e3 3525
729e3769
LP		 3526 pid = fork();
3527 if (pid < 0) {
3528 log_error("Failed to fork: %m");
3529 free(p);
3530 free(q);
3531 r = -errno;
3532 goto finish;
3533 } else if (pid == 0) {
3534 /* Child */
ee5762e3 3535
729e3769
LP		 3536 execv(argv[0], (char**) argv);
3537 _exit(EXIT_FAILURE);
3538 }
ee5762e3 3539
729e3769
LP		 3540 free(p);
3541 free(q);
ee5762e3 3542
729e3769
LP		 3543 j = wait_for_terminate(pid, &status);
3544 if (j < 0) {
3545 log_error("Failed to wait for child: %s", strerror(-r));
3546 r = j;
3547 goto finish;
3548 }
ee5762e3 3549
729e3769
LP		 3550 if (status.si_code == CLD_EXITED) {
3551 if (streq(verb, "is-enabled")) {
3552 if (status.si_status == 0) {
3553 if (!arg_quiet)
3554 puts("enabled");
3555 r = 1;
3556 } else {
3557 if (!arg_quiet)
3558 puts("disabled");
3559 }
ee5762e3 3560
729e3769
LP		 3561 } else if (status.si_status != 0) {
3562 r = -EINVAL;
3563 goto finish;
3564 }
3565 } else {
3566 r = -EPROTO;
3567 goto finish;
3568 }
ee5762e3
LP		 3569 }
3570
729e3769
LP		 3571finish:
3572 lookup_paths_free(&paths);
ee5762e3 3573
729e3769
LP		 3574 /* Drop all SysV units */
3575 for (f = 1, t = 1; args[f]; f++) {
ee5762e3 3576
729e3769 3577 if (isempty(args[f]))
ee5762e3
LP		 3578 continue;
3579
729e3769
LP		 3580 args[t++] = args[f];
3581 }
ee5762e3 3582
729e3769 3583 args[t] = NULL;
ee5762e3 3584
729e3769
LP		 3585#endif
3586 return r;
3587}
ee5762e3 3588
729e3769
LP		 3589static int enable_unit(DBusConnection *bus, char **args) {
3590 const char *verb = args[0];
3591 UnitFileChange *changes = NULL;
3592 unsigned n_changes = 0, i;
3593 int carries_install_info = -1;
3594 DBusMessage *m = NULL, *reply = NULL;
3595 int r;
3596 DBusError error;
ee5762e3 3597
729e3769 3598 dbus_error_init(&error);
ee5762e3 3599
729e3769
LP		 3600 r = enable_sysv_units(args);
3601 if (r < 0)
3602 return r;
ee5762e3 3603
729e3769
LP		 3604 if (!bus || avoid_bus()) {
3605 if (streq(verb, "enable")) {
3606 r = unit_file_enable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3607 carries_install_info = r;
3608 } else if (streq(verb, "disable"))
3609 r = unit_file_disable(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3610 else if (streq(verb, "reenable")) {
3611 r = unit_file_reenable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3612 carries_install_info = r;
3613 } else if (streq(verb, "link"))
3614 r = unit_file_link(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3615 else if (streq(verb, "preset")) {
3616 r = unit_file_preset(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3617 carries_install_info = r;
3618 } else if (streq(verb, "mask"))
3619 r = unit_file_mask(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3620 else if (streq(verb, "unmask"))
3621 r = unit_file_unmask(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3622 else
3623 assert_not_reached("Unknown verb");
ee5762e3 3624
729e3769
LP		 3625 if (r < 0) {
3626 log_error("Operation failed: %s", strerror(-r));
3627 goto finish;
ee5762e3
LP		 3628 }
3629
729e3769
LP		 3630 for (i = 0; i < n_changes; i++) {
3631 if (changes[i].type == UNIT_FILE_SYMLINK)
3632 log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path);
3633 else
3634 log_info("rm '%s'", changes[i].path);
ee5762e3
LP		 3635 }
3636
729e3769
LP		 3637 } else {
3638 const char *method;
3639 bool send_force = true, expect_carries_install_info = false;
3640 dbus_bool_t a, b;
3641 DBusMessageIter iter, sub, sub2;
3642
3643 if (streq(verb, "enable")) {
3644 method = "EnableUnitFiles";
3645 expect_carries_install_info = true;
3646 } else if (streq(verb, "disable")) {
3647 method = "DisableUnitFiles";
3648 send_force = false;
3649 } else if (streq(verb, "reenable")) {
3650 method = "ReenableUnitFiles";
3651 expect_carries_install_info = true;
3652 } else if (streq(verb, "link"))
3653 method = "LinkUnitFiles";
3654 else if (streq(verb, "preset")) {
3655 method = "PresetUnitFiles";
3656 expect_carries_install_info = true;
3657 } else if (streq(verb, "mask"))
3658 method = "MaskUnitFiles";
3659 else if (streq(verb, "unmask")) {
3660 method = "UnmaskUnitFiles";
3661 send_force = false;
3662 } else
3663 assert_not_reached("Unknown verb");
3664
3665 m = dbus_message_new_method_call(
3666 "org.freedesktop.systemd1",
3667 "/org/freedesktop/systemd1",
3668 "org.freedesktop.systemd1.Manager",
3669 method);
3670 if (!m) {
ee5762e3
LP		 3671 log_error("Out of memory");
3672 r = -ENOMEM;
3673 goto finish;
3674 }
3675
729e3769 3676 dbus_message_iter_init_append(m, &iter);
ee5762e3 3677
729e3769
LP		 3678 r = bus_append_strv_iter(&iter, args+1);
3679 if (r < 0) {
3680 log_error("Failed to append unit files.");
ee5762e3
LP		 3681 goto finish;
3682 }
3683
729e3769
LP		 3684 a = arg_runtime;
3685 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &a)) {
3686 log_error("Failed to append runtime boolean.");
ee5762e3
LP		 3687 r = -ENOMEM;
3688 goto finish;
3689 }
3690
729e3769
LP		 3691 if (send_force) {
3692 b = arg_force;
be394c48 3693
729e3769
LP		 3694 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) {
3695 log_error("Failed to append force boolean.");
3696 r = -ENOMEM;
3697 goto finish;
3698 }
09adcdf7 3699 }
ee5762e3 3700
729e3769
LP		 3701 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3702 if (!reply) {
3703 log_error("Failed to issue method call: %s", bus_error_message(&error));
3704 r = -EIO;
3705 goto finish;
ee5762e3
LP		 3706 }
3707
729e3769
LP		 3708 if (!dbus_message_iter_init(reply, &iter)) {
3709 log_error("Failed to initialize iterator.");
3710 goto finish;
3711 }
be394c48 3712
729e3769
LP		 3713 if (expect_carries_install_info) {
3714 r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &b, true);
3715 if (r < 0) {
3716 log_error("Failed to parse reply.");
3717 goto finish;
3718 }
ee5762e3 3719
729e3769 3720 carries_install_info = b;
ee5762e3
LP		 3721 }
3722
729e3769
LP		 3723 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
3724 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
3725 log_error("Failed to parse reply.");
3726 r = -EIO;
3727 goto finish;
ee5762e3
LP		 3728 }
3729
729e3769
LP		 3730 dbus_message_iter_recurse(&iter, &sub);
3731 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
3732 const char *type, *path, *source;
c8b2e52c 3733
729e3769
LP		 3734 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
3735 log_error("Failed to parse reply.");
3736 r = -EIO;
3737 goto finish;
c8b2e52c
LP		 3738 }
3739
729e3769 3740 dbus_message_iter_recurse(&sub, &sub2);
c8b2e52c 3741
729e3769
LP		 3742 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
3743 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0 ||
3744 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &source, false) < 0) {
3745 log_error("Failed to parse reply.");
3746 r = -EIO;
3747 goto finish;
c8b2e52c
LP		 3748 }
3749
729e3769
LP		 3750 if (streq(type, "symlink"))
3751 log_info("ln -s '%s' '%s'", source, path);
3752 else
3753 log_info("rm '%s'", path);
b77398f7 3754
729e3769
LP		 3755 dbus_message_iter_next(&sub);
3756 }
b77398f7 3757
729e3769
LP		 3758 /* Try to reload if enabeld */
3759 if (!arg_no_reload)
3760 r = daemon_reload(bus, args);
b647f10d 3761 }
3d3961f2 3762
729e3769
LP		 3763 if (carries_install_info == 0)
3764 log_warning("Warning: unit files do not carry install information. No operation executed.");
ee5762e3 3765
729e3769
LP		 3766finish:
3767 if (m)
3768 dbus_message_unref(m);
ee5762e3 3769
729e3769
LP		 3770 if (reply)
3771 dbus_message_unref(reply);
ee5762e3 3772
729e3769 3773 unit_file_changes_free(changes, n_changes);
ee5762e3 3774
729e3769
LP		 3775 dbus_error_free(&error);
3776 return r;
ee5762e3
LP		 3777}
3778
729e3769 3779static int unit_is_enabled(DBusConnection *bus, char **args) {
ee5762e3
LP		 3780 DBusError error;
3781 int r;
729e3769
LP		 3782 DBusMessage *m = NULL, *reply = NULL;
3783 bool enabled;
3784 char **name;
ee5762e3
LP		 3785
3786 dbus_error_init(&error);
3787
729e3769
LP		 3788 r = enable_sysv_units(args);
3789 if (r < 0)
3790 return r;
ee5762e3 3791
729e3769 3792 enabled = r > 0;
ee5762e3 3793
729e3769 3794 if (!bus || avoid_bus()) {
ee5762e3 3795
729e3769
LP		 3796 STRV_FOREACH(name, args+1) {
3797 UnitFileState state;
ee5762e3 3798
729e3769
LP		 3799 state = unit_file_get_state(arg_scope, arg_root, *name);
3800 if (state < 0) {
3801 r = state;
3802 goto finish;
3803 }
ee5762e3 3804
729e3769
LP		 3805 if (state == UNIT_FILE_ENABLED ||
3806 state == UNIT_FILE_ENABLED_RUNTIME ||
3807 state == UNIT_FILE_STATIC)
3808 enabled = true;
3809
3810 if (!arg_quiet)
3811 puts(unit_file_state_to_string(state));
71fad675 3812 }
ee5762e3 3813
729e3769
LP		 3814 } else {
3815 STRV_FOREACH(name, args+1) {
3816 const char *s;
63a723f3 3817
729e3769
LP		 3818 m = dbus_message_new_method_call(
3819 "org.freedesktop.systemd1",
3820 "/org/freedesktop/systemd1",
3821 "org.freedesktop.systemd1.Manager",
3822 "GetUnitFileState");
3823 if (!m) {
3824 log_error("Out of memory");
3825 r = -ENOMEM;
3826 goto finish;
3827 }
ee5762e3 3828
729e3769
LP		 3829 if (!dbus_message_append_args(m,
3830 DBUS_TYPE_STRING, name,
3831 DBUS_TYPE_INVALID)) {
3832 log_error("Could not append arguments to message.");
3833 r = -ENOMEM;
3834 goto finish;
3835 }
ee5762e3 3836
729e3769
LP		 3837 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3838 if (!reply) {
3839 log_error("Failed to issue method call: %s", bus_error_message(&error));
3840 r = -EIO;
3841 goto finish;
3842 }
ee5762e3 3843
729e3769
LP		 3844 if (!dbus_message_get_args(reply, &error,
3845 DBUS_TYPE_STRING, &s,
3846 DBUS_TYPE_INVALID)) {
3847 log_error("Failed to parse reply: %s", bus_error_message(&error));
3848 r = -EIO;
ee5762e3
LP		 3849 goto finish;
3850 }
3851
729e3769
LP		 3852 dbus_message_unref(m);
3853 dbus_message_unref(reply);
3854 m = reply = NULL;
ee5762e3 3855
729e3769
LP		 3856 if (streq(s, "enabled") ||
3857 streq(s, "enabled-runtime") ||
3858 streq(s, "static"))
3859 enabled = true;
3860
3861 if (!arg_quiet)
3862 puts(s);
560d8f23 3863 }
ee5762e3
LP		 3864 }
3865
729e3769 3866 r = enabled ? 0 : 1;
ee5762e3 3867
729e3769
LP		 3868finish:
3869 if (m)
3870 dbus_message_unref(m);
ee5762e3 3871
729e3769
LP		 3872 if (reply)
3873 dbus_message_unref(reply);
ee5762e3 3874
729e3769 3875 dbus_error_free(&error);
ee5762e3
LP		 3876 return r;
3877}
3878
e4b61340 3879static int systemctl_help(void) {
7e4249b9 3880
729e3769
LP		 3881 pager_open_if_enabled();
3882
2e33c433 3883 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
729e3769 3884 "Query or send control commands to the systemd manager.\n\n"
8a0867d6
LP		 3885 " -h --help Show this help\n"
3886 " --version Show package version\n"
3887 " -t --type=TYPE List only units of a particular type\n"
3888 " -p --property=NAME Show only properties by this name\n"
3889 " -a --all Show all units/properties, including dead/empty ones\n"
30732560 3890 " --failed Show only failed units\n"
8a0867d6
LP		 3891 " --full Don't ellipsize unit names on output\n"
3892 " --fail When queueing a new job, fail if conflicting jobs are\n"
3893 " pending\n"
e67c3609
LP		 3894 " --ignore-dependencies\n"
3895 " When queueing a new job, ignore all its dependencies\n"
a8f11321
LP		 3896 " --kill-who=WHO Who to send signal to\n"
3897 " -s --signal=SIGNAL Which signal to send\n"
aca4c786 3898 " -H --host=[USER@]HOST\n"
a8f11321
LP		 3899 " Show information for remote host\n"
3900 " -P --privileged Acquire privileges before execution\n"
8a0867d6
LP		 3901 " -q --quiet Suppress output\n"
3902 " --no-block Do not wait until operation finished\n"
8a0867d6 3903 " --no-wall Don't send wall message before halt/power-off/reboot\n"
8a0867d6
LP		 3904 " --no-reload When enabling/disabling unit files, don't reload daemon\n"
3905 " configuration\n"
69fc152f 3906 " --no-pager Do not pipe output into a pager\n"
501fc174
LP		 3907 " --no-ask-password\n"
3908 " Do not ask for system passwords\n"
a8f11321
LP		 3909 " --order When generating graph for dot, show only order\n"
3910 " --require When generating graph for dot, show only requirement\n"
3911 " --system Connect to system manager\n"
3912 " --user Connect to user service manager\n"
3913 " --global Enable/disable unit files globally\n"
8a0867d6
LP		 3914 " -f --force When enabling unit files, override existing symlinks\n"
3915 " When shutting down, execute action immediately\n"
729e3769
LP		 3916 " --root=PATH Enable unit files in the specified root directory\n"
3917 " --runtime Enable unit files only temporarily until next reboot\n\n"
34c4b47b 3918 "Unit Commands:\n"
729e3769 3919 " list-units List loaded units\n"
ee5762e3
LP		 3920 " start [NAME...] Start (activate) one or more units\n"
3921 " stop [NAME...] Stop (deactivate) one or more units\n"
7e4249b9 3922 " reload [NAME...] Reload one or more units\n"
6f28c033
LP		 3923 " restart [NAME...] Start or restart one or more units\n"
3924 " try-restart [NAME...] Restart one or more units if active\n"
3925 " reload-or-restart [NAME...] Reload one or more units is possible,\n"
3926 " otherwise start or restart\n"
3927 " reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
3928 " otherwise restart if active\n"
7e4249b9 3929 " isolate [NAME] Start one unit and stop all others\n"
8a0867d6 3930 " kill [NAME...] Send signal to processes of a unit\n"
ee5762e3 3931 " is-active [NAME...] Check whether units are active\n"
75676b72 3932 " status [NAME...|PID...] Show runtime status of one or more units\n"
6f28c033 3933 " show [NAME...|JOB...] Show properties of one or more\n"
ee5762e3 3934 " units/jobs or the manager\n"
fdf20a31
MM		 3935 " reset-failed [NAME...] Reset failed state for all, one, or more\n"
3936 " units\n"
34c4b47b
LP		 3937 " load [NAME...] Load one or more units\n\n"
3938 "Unit File Commands:\n"
729e3769 3939 " list-unit-files List installed unit files\n"
ee5762e3
LP		 3940 " enable [NAME...] Enable one or more unit files\n"
3941 " disable [NAME...] Disable one or more unit files\n"
729e3769
LP		 3942 " reenable [NAME...] Reenable one or more unit files\n"
3943 " preset [NAME...] Enable/disable one or more unit files\n"
3944 " based on preset configuration\n"
3945 " mask [NAME...] Mask one or more units\n"
3946 " unmask [NAME...] Unmask one or more units\n"
3947 " link [PATH...] Link one or more units files into\n"
3948 " the search path\n"
34c4b47b
LP		 3949 " is-enabled [NAME...] Check whether unit files are enabled\n\n"
3950 "Job Commands:\n"
48220598 3951 " list-jobs List jobs\n"
34c4b47b
LP		 3952 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
3953 "Status Commands:\n"
7e4249b9 3954 " dump Dump server status\n"
34c4b47b
LP		 3955 " dot Dump dependency graph for dot(1)\n\n"
3956 "Snapshot Commands:\n"
7e4249b9 3957 " snapshot [NAME] Create a snapshot\n"
34c4b47b
LP		 3958 " delete [NAME...] Remove one or more snapshots\n\n"
3959 "Environment Commands:\n"
7e4249b9
LP		 3960 " show-environment Dump environment\n"
3961 " set-environment [NAME=VALUE...] Set one or more environment variables\n"
34c4b47b
LP		 3962 " unset-environment [NAME...] Unset one or more environment variables\n\n"
3963 "Manager Lifecycle Commands:\n"
3964 " daemon-reload Reload systemd manager configuration\n"
3965 " daemon-reexec Reexecute systemd manager\n\n"
3966 "System Commands:\n"
20b09ca7
LP		 3967 " default Enter system default mode\n"
3968 " rescue Enter system rescue mode\n"
3969 " emergency Enter system emergency mode\n"
514f4ef5 3970 " halt Shut down and halt the system\n"
2e33c433 3971 " poweroff Shut down and power-off the system\n"
514f4ef5 3972 " reboot Shut down and reboot the system\n"
20b09ca7 3973 " kexec Shut down and reboot the system with kexec\n"
af2d49f7 3974 " exit Ask for user instance termination\n",
5b6319dc 3975 program_invocation_short_name);
7e4249b9
LP		 3976
3977 return 0;
3978}
3979
e4b61340
LP		 3980static int halt_help(void) {
3981
2e33c433 3982 printf("%s [OPTIONS...]\n\n"
e4b61340
LP		 3983 "%s the system.\n\n"
3984 " --help Show this help\n"
3985 " --halt Halt the machine\n"
3986 " -p --poweroff Switch off the machine\n"
3987 " --reboot Reboot the machine\n"
2e33c433
LP		 3988 " -f --force Force immediate halt/power-off/reboot\n"
3989 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
e4b61340 3990 " -d --no-wtmp Don't write wtmp record\n"
2e33c433
LP		 3991 " -n --no-sync Don't sync before halt/power-off/reboot\n"
3992 " --no-wall Don't send wall message before halt/power-off/reboot\n",
e4b61340
LP		 3993 program_invocation_short_name,
3994 arg_action == ACTION_REBOOT ? "Reboot" :
3995 arg_action == ACTION_POWEROFF ? "Power off" :
3996 "Halt");
3997
3998 return 0;
3999}
4000
4001static int shutdown_help(void) {
4002
08e4b1c5 4003 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
e4b61340
LP		 4004 "Shut down the system.\n\n"
4005 " --help Show this help\n"
4006 " -H --halt Halt the machine\n"
4007 " -P --poweroff Power-off the machine\n"
4008 " -r --reboot Reboot the machine\n"
4009 " -h Equivalent to --poweroff, overriden by --halt\n"
2e33c433 4010 " -k Don't halt/power-off/reboot, just send warnings\n"
f6144808 4011 " --no-wall Don't send wall message before halt/power-off/reboot\n"
f6144808 4012 " -c Cancel a pending shutdown\n",
e4b61340
LP		 4013 program_invocation_short_name);
4014
4015 return 0;
4016}
4017
4018static int telinit_help(void) {
4019
2e33c433 4020 printf("%s [OPTIONS...] {COMMAND}\n\n"
514f4ef5
LP		 4021 "Send control commands to the init daemon.\n\n"
4022 " --help Show this help\n"
2e33c433 4023 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
e4b61340
LP		 4024 "Commands:\n"
4025 " 0 Power-off the machine\n"
4026 " 6 Reboot the machine\n"
514f4ef5
LP		 4027 " 2, 3, 4, 5 Start runlevelX.target unit\n"
4028 " 1, s, S Enter rescue mode\n"
4029 " q, Q Reload init daemon configuration\n"
4030 " u, U Reexecute init daemon\n",
e4b61340
LP		 4031 program_invocation_short_name);
4032
4033 return 0;
4034}
4035
4036static int runlevel_help(void) {
4037
2e33c433 4038 printf("%s [OPTIONS...]\n\n"
e4b61340
LP		 4039 "Prints the previous and current runlevel of the init system.\n\n"
4040 " --help Show this help\n",
4041 program_invocation_short_name);
4042
4043 return 0;
4044}
4045
4046static int systemctl_parse_argv(int argc, char *argv[]) {
7e4249b9
LP		 4047
4048 enum {
90d473a1 4049 ARG_FAIL = 0x100,
e67c3609 4050 ARG_IGNORE_DEPENDENCIES,
35df8f27 4051 ARG_VERSION,
af2d49f7 4052 ARG_USER,
7e4249b9 4053 ARG_SYSTEM,
ee5762e3 4054 ARG_GLOBAL,
6e905d93 4055 ARG_NO_BLOCK,
611efaac 4056 ARG_NO_PAGER,
4445a875
LP		 4057 ARG_NO_WALL,
4058 ARG_ORDER,
8fe914ec 4059 ARG_REQUIRE,
be394c48 4060 ARG_ROOT,
ee5762e3 4061 ARG_FULL,
ee5762e3 4062 ARG_NO_RELOAD,
8a0867d6 4063 ARG_KILL_MODE,
501fc174 4064 ARG_KILL_WHO,
30732560 4065 ARG_NO_ASK_PASSWORD,
729e3769
LP		 4066 ARG_FAILED,
4067 ARG_RUNTIME
7e4249b9
LP		 4068 };
4069
4070 static const struct option options[] = {
ee5762e3 4071 { "help", no_argument, NULL, 'h' },
35df8f27 4072 { "version", no_argument, NULL, ARG_VERSION },
ee5762e3
LP		 4073 { "type", required_argument, NULL, 't' },
4074 { "property", required_argument, NULL, 'p' },
4075 { "all", no_argument, NULL, 'a' },
30732560 4076 { "failed", no_argument, NULL, ARG_FAILED },
ee5762e3
LP		 4077 { "full", no_argument, NULL, ARG_FULL },
4078 { "fail", no_argument, NULL, ARG_FAIL },
e67c3609 4079 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES },
af2d49f7 4080 { "user", no_argument, NULL, ARG_USER },
ee5762e3
LP		 4081 { "system", no_argument, NULL, ARG_SYSTEM },
4082 { "global", no_argument, NULL, ARG_GLOBAL },
4083 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
0736af98 4084 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
ee5762e3
LP		 4085 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4086 { "quiet", no_argument, NULL, 'q' },
4087 { "order", no_argument, NULL, ARG_ORDER },
4088 { "require", no_argument, NULL, ARG_REQUIRE },
be394c48 4089 { "root", required_argument, NULL, ARG_ROOT },
b4f27ccc 4090 { "force", no_argument, NULL, 'f' },
ee5762e3 4091 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
69fc152f 4092 { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, /* undocumented on purpose */
8a0867d6
LP		 4093 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
4094 { "signal", required_argument, NULL, 's' },
501fc174 4095 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
a8f11321
LP		 4096 { "host", required_argument, NULL, 'H' },
4097 { "privileged",no_argument, NULL, 'P' },
729e3769 4098 { "runtime", no_argument, NULL, ARG_RUNTIME },
ee5762e3 4099 { NULL, 0, NULL, 0 }
7e4249b9
LP		 4100 };
4101
4102 int c;
4103
e4b61340 4104 assert(argc >= 0);
7e4249b9
LP		 4105 assert(argv);
4106
501fc174
LP		 4107 /* Only when running as systemctl we ask for passwords */
4108 arg_ask_password = true;
4109
a8f11321 4110 while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:P", options, NULL)) >= 0) {
7e4249b9
LP		 4111
4112 switch (c) {
4113
4114 case 'h':
e4b61340 4115 systemctl_help();
7e4249b9 4116 return 0;
35df8f27
LP		 4117
4118 case ARG_VERSION:
4119 puts(PACKAGE_STRING);
7d568925
LP		 4120 puts(DISTRIBUTION);
4121 puts(SYSTEMD_FEATURES);
35df8f27 4122 return 0;
7e4249b9
LP		 4123
4124 case 't':
4125 arg_type = optarg;
4126 break;
4127
ea4a240d
LP		 4128 case 'p': {
4129 char **l;
4130
4131 if (!(l = strv_append(arg_property, optarg)))
4132 return -ENOMEM;
4133
4134 strv_free(arg_property);
4135 arg_property = l;
48220598
LP		 4136
4137 /* If the user asked for a particular
4138 * property, show it to him, even if it is
4139 * empty. */
4140 arg_all = true;
4141 break;
ea4a240d 4142 }
48220598 4143
7e4249b9
LP		 4144 case 'a':
4145 arg_all = true;
4146 break;
4147
90d473a1 4148 case ARG_FAIL:
e67c3609
LP		 4149 arg_job_mode = "fail";
4150 break;
4151
4152 case ARG_IGNORE_DEPENDENCIES:
4153 arg_job_mode = "ignore-dependencies";
7e4249b9
LP		 4154 break;
4155
af2d49f7 4156 case ARG_USER:
729e3769 4157 arg_scope = UNIT_FILE_USER;
7e4249b9
LP		 4158 break;
4159
4160 case ARG_SYSTEM:
729e3769
LP		 4161 arg_scope = UNIT_FILE_SYSTEM;
4162 break;
4163
4164 case ARG_GLOBAL:
4165 arg_scope = UNIT_FILE_GLOBAL;
7e4249b9
LP		 4166 break;
4167
6e905d93
LP		 4168 case ARG_NO_BLOCK:
4169 arg_no_block = true;
7e4249b9
LP		 4170 break;
4171
611efaac
LP		 4172 case ARG_NO_PAGER:
4173 arg_no_pager = true;
4174 break;
0736af98 4175
514f4ef5
LP		 4176 case ARG_NO_WALL:
4177 arg_no_wall = true;
4178 break;
4179
4445a875
LP		 4180 case ARG_ORDER:
4181 arg_dot = DOT_ORDER;
4182 break;
4183
4184 case ARG_REQUIRE:
4185 arg_dot = DOT_REQUIRE;
4186 break;
4187
be394c48
FC		 4188 case ARG_ROOT:
4189 arg_root = optarg;
4190 break;
4191
8fe914ec
LP		 4192 case ARG_FULL:
4193 arg_full = true;
4194 break;
4195
30732560
LP		 4196 case ARG_FAILED:
4197 arg_failed = true;
4198 break;
4199
0183528f
LP		 4200 case 'q':
4201 arg_quiet = true;
4202 break;
4203
b4f27ccc 4204 case 'f':
ee5762e3
LP		 4205 arg_force = true;
4206 break;
4207
4208 case ARG_NO_RELOAD:
4209 arg_no_reload = true;
4210 break;
4211
8a0867d6
LP		 4212 case ARG_KILL_WHO:
4213 arg_kill_who = optarg;
4214 break;
4215
4216 case ARG_KILL_MODE:
4217 arg_kill_mode = optarg;
4218 break;
4219
4220 case 's':
4221 if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
4222 log_error("Failed to parse signal string %s.", optarg);
4223 return -EINVAL;
4224 }
4225 break;
4226
501fc174
LP		 4227 case ARG_NO_ASK_PASSWORD:
4228 arg_ask_password = false;
4229 break;
4230
a8f11321
LP		 4231 case 'P':
4232 arg_transport = TRANSPORT_POLKIT;
4233 break;
4234
4235 case 'H':
4236 arg_transport = TRANSPORT_SSH;
4237 arg_host = optarg;
4238 break;
4239
729e3769
LP		 4240 case ARG_RUNTIME:
4241 arg_runtime = true;
4242 break;
4243
7e4249b9
LP		 4244 case '?':
4245 return -EINVAL;
4246
4247 default:
4248 log_error("Unknown option code %c", c);
4249 return -EINVAL;
4250 }
4251 }
4252
729e3769 4253 if (arg_transport != TRANSPORT_NORMAL && arg_scope != UNIT_FILE_SYSTEM) {
a8f11321
LP		 4254 log_error("Cannot access user instance remotely.");
4255 return -EINVAL;
4256 }
4257
7e4249b9
LP		 4258 return 1;
4259}
4260
e4b61340
LP		 4261static int halt_parse_argv(int argc, char *argv[]) {
4262
4263 enum {
4264 ARG_HELP = 0x100,
4265 ARG_HALT,
514f4ef5
LP		 4266 ARG_REBOOT,
4267 ARG_NO_WALL
e4b61340
LP		 4268 };
4269
4270 static const struct option options[] = {
4271 { "help", no_argument, NULL, ARG_HELP },
4272 { "halt", no_argument, NULL, ARG_HALT },
4273 { "poweroff", no_argument, NULL, 'p' },
4274 { "reboot", no_argument, NULL, ARG_REBOOT },
4275 { "force", no_argument, NULL, 'f' },
4276 { "wtmp-only", no_argument, NULL, 'w' },
4277 { "no-wtmp", no_argument, NULL, 'd' },
4278 { "no-sync", no_argument, NULL, 'n' },
514f4ef5 4279 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4280 { NULL, 0, NULL, 0 }
4281 };
4282
4283 int c, runlevel;
4284
4285 assert(argc >= 0);
4286 assert(argv);
4287
4288 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
4289 if (runlevel == '0' || runlevel == '6')
4290 arg_immediate = true;
4291
4292 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) {
4293 switch (c) {
4294
4295 case ARG_HELP:
4296 halt_help();
4297 return 0;
4298
4299 case ARG_HALT:
4300 arg_action = ACTION_HALT;
4301 break;
4302
4303 case 'p':
a042efad
MS		 4304 if (arg_action != ACTION_REBOOT)
4305 arg_action = ACTION_POWEROFF;
e4b61340
LP		 4306 break;
4307
4308 case ARG_REBOOT:
4309 arg_action = ACTION_REBOOT;
4310 break;
4311
4312 case 'f':
4313 arg_immediate = true;
4314 break;
4315
4316 case 'w':
4317 arg_dry = true;
4318 break;
4319
4320 case 'd':
4321 arg_no_wtmp = true;
4322 break;
4323
4324 case 'n':
4325 arg_no_sync = true;
4326 break;
4327
514f4ef5
LP		 4328 case ARG_NO_WALL:
4329 arg_no_wall = true;
4330 break;
4331
e4b61340
LP		 4332 case 'i':
4333 case 'h':
4334 /* Compatibility nops */
4335 break;
4336
4337 case '?':
4338 return -EINVAL;
4339
4340 default:
4341 log_error("Unknown option code %c", c);
4342 return -EINVAL;
4343 }
4344 }
4345
4346 if (optind < argc) {
4347 log_error("Too many arguments.");
4348 return -EINVAL;
4349 }
4350
4351 return 1;
4352}
4353
f6144808
LP		 4354static int parse_time_spec(const char *t, usec_t *_u) {
4355 assert(t);
4356 assert(_u);
4357
4358 if (streq(t, "now"))
4359 *_u = 0;
1a639877 4360 else if (!strchr(t, ':')) {
f6144808
LP		 4361 uint64_t u;
4362
1a639877 4363 if (safe_atou64(t, &u) < 0)
f6144808
LP		 4364 return -EINVAL;
4365
4366 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
4367 } else {
4368 char *e = NULL;
4369 long hour, minute;
4370 struct tm tm;
4371 time_t s;
4372 usec_t n;
4373
4374 errno = 0;
4375 hour = strtol(t, &e, 10);
4376 if (errno != 0 || *e != ':' || hour < 0 || hour > 23)
4377 return -EINVAL;
4378
4379 minute = strtol(e+1, &e, 10);
4380 if (errno != 0 || *e != 0 || minute < 0 || minute > 59)
4381 return -EINVAL;
4382
4383 n = now(CLOCK_REALTIME);
08e4b1c5
LP		 4384 s = (time_t) (n / USEC_PER_SEC);
4385
4386 zero(tm);
f6144808
LP		 4387 assert_se(localtime_r(&s, &tm));
4388
4389 tm.tm_hour = (int) hour;
4390 tm.tm_min = (int) minute;
08e4b1c5 4391 tm.tm_sec = 0;
f6144808
LP		 4392
4393 assert_se(s = mktime(&tm));
4394
4395 *_u = (usec_t) s * USEC_PER_SEC;
4396
4397 while (*_u <= n)
4398 *_u += USEC_PER_DAY;
4399 }
4400
4401 return 0;
4402}
4403
5622dde3
KS		 4404static bool kexec_loaded(void) {
4405 bool loaded = false;
4406 char *s;
4407
4408 if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) {
4409 if (s[0] == '1')
4410 loaded = true;
4411 free(s);
4412 }
4413 return loaded;
4414}
4415
e4b61340
LP		 4416static int shutdown_parse_argv(int argc, char *argv[]) {
4417
4418 enum {
4419 ARG_HELP = 0x100,
514f4ef5 4420 ARG_NO_WALL
e4b61340
LP		 4421 };
4422
4423 static const struct option options[] = {
4424 { "help", no_argument, NULL, ARG_HELP },
4425 { "halt", no_argument, NULL, 'H' },
4426 { "poweroff", no_argument, NULL, 'P' },
4427 { "reboot", no_argument, NULL, 'r' },
514f4ef5 4428 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4429 { NULL, 0, NULL, 0 }
4430 };
4431
f6144808 4432 int c, r;
e4b61340
LP		 4433
4434 assert(argc >= 0);
4435 assert(argv);
4436
f6144808 4437 while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
e4b61340
LP		 4438 switch (c) {
4439
4440 case ARG_HELP:
4441 shutdown_help();
4442 return 0;
4443
4444 case 'H':
4445 arg_action = ACTION_HALT;
4446 break;
4447
4448 case 'P':
4449 arg_action = ACTION_POWEROFF;
4450 break;
4451
4452 case 'r':
5622dde3
KS		 4453 if (kexec_loaded())
4454 arg_action = ACTION_KEXEC;
4455 else
4456 arg_action = ACTION_REBOOT;
e4b61340
LP		 4457 break;
4458
4459 case 'h':
4460 if (arg_action != ACTION_HALT)
4461 arg_action = ACTION_POWEROFF;
4462 break;
4463
4464 case 'k':
4465 arg_dry = true;
4466 break;
4467
514f4ef5
LP		 4468 case ARG_NO_WALL:
4469 arg_no_wall = true;
4470 break;
4471
e4b61340
LP		 4472 case 't':
4473 case 'a':
4474 /* Compatibility nops */
4475 break;
4476
f6144808
LP		 4477 case 'c':
4478 arg_action = ACTION_CANCEL_SHUTDOWN;
4479 break;
4480
e4b61340
LP		 4481 case '?':
4482 return -EINVAL;
4483
4484 default:
4485 log_error("Unknown option code %c", c);
4486 return -EINVAL;
4487 }
4488 }
4489
6b5ad000 4490 if (argc > optind) {
f6144808
LP		 4491 if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) {
4492 log_error("Failed to parse time specification: %s", argv[optind]);
4493 return r;
4494 }
6b5ad000 4495 } else
08e4b1c5 4496 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
442b9094 4497
f6144808 4498 /* We skip the time argument */
e4b61340
LP		 4499 if (argc > optind + 1)
4500 arg_wall = argv + optind + 1;
4501
4502 optind = argc;
4503
4504 return 1;
e4b61340
LP		 4505}
4506
4507static int telinit_parse_argv(int argc, char *argv[]) {
4508
4509 enum {
4510 ARG_HELP = 0x100,
514f4ef5 4511 ARG_NO_WALL
e4b61340
LP		 4512 };
4513
4514 static const struct option options[] = {
4515 { "help", no_argument, NULL, ARG_HELP },
514f4ef5 4516 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4517 { NULL, 0, NULL, 0 }
4518 };
4519
4520 static const struct {
4521 char from;
4522 enum action to;
4523 } table[] = {
4524 { '0', ACTION_POWEROFF },
4525 { '6', ACTION_REBOOT },
ef2f1067 4526 { '1', ACTION_RESCUE },
e4b61340
LP		 4527 { '2', ACTION_RUNLEVEL2 },
4528 { '3', ACTION_RUNLEVEL3 },
4529 { '4', ACTION_RUNLEVEL4 },
4530 { '5', ACTION_RUNLEVEL5 },
4531 { 's', ACTION_RESCUE },
4532 { 'S', ACTION_RESCUE },
4533 { 'q', ACTION_RELOAD },
4534 { 'Q', ACTION_RELOAD },
4535 { 'u', ACTION_REEXEC },
4536 { 'U', ACTION_REEXEC }
4537 };
4538
4539 unsigned i;
4540 int c;
4541
4542 assert(argc >= 0);
4543 assert(argv);
4544
4545 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4546 switch (c) {
4547
4548 case ARG_HELP:
4549 telinit_help();
4550 return 0;
4551
514f4ef5
LP		 4552 case ARG_NO_WALL:
4553 arg_no_wall = true;
4554 break;
4555
e4b61340
LP		 4556 case '?':
4557 return -EINVAL;
4558
4559 default:
4560 log_error("Unknown option code %c", c);
4561 return -EINVAL;
4562 }
4563 }
4564
4565 if (optind >= argc) {
2f02ce40 4566 telinit_help();
e4b61340
LP		 4567 return -EINVAL;
4568 }
4569
4570 if (optind + 1 < argc) {
4571 log_error("Too many arguments.");
4572 return -EINVAL;
4573 }
4574
4575 if (strlen(argv[optind]) != 1) {
4576 log_error("Expected single character argument.");
4577 return -EINVAL;
4578 }
4579
4580 for (i = 0; i < ELEMENTSOF(table); i++)
4581 if (table[i].from == argv[optind][0])
4582 break;
4583
4584 if (i >= ELEMENTSOF(table)) {
4585 log_error("Unknown command %s.", argv[optind]);
4586 return -EINVAL;
4587 }
4588
4589 arg_action = table[i].to;
4590
4591 optind ++;
4592
4593 return 1;
4594}
4595
4596static int runlevel_parse_argv(int argc, char *argv[]) {
4597
4598 enum {
4599 ARG_HELP = 0x100,
4600 };
4601
4602 static const struct option options[] = {
4603 { "help", no_argument, NULL, ARG_HELP },
4604 { NULL, 0, NULL, 0 }
4605 };
4606
4607 int c;
4608
4609 assert(argc >= 0);
4610 assert(argv);
4611
4612 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4613 switch (c) {
4614
4615 case ARG_HELP:
4616 runlevel_help();
4617 return 0;
4618
4619 case '?':
4620 return -EINVAL;
4621
4622 default:
4623 log_error("Unknown option code %c", c);
4624 return -EINVAL;
4625 }
4626 }
4627
4628 if (optind < argc) {
4629 log_error("Too many arguments.");
4630 return -EINVAL;
4631 }
4632
4633 return 1;
4634}
4635
4636static int parse_argv(int argc, char *argv[]) {
4637 assert(argc >= 0);
4638 assert(argv);
4639
4640 if (program_invocation_short_name) {
4641
4642 if (strstr(program_invocation_short_name, "halt")) {
4643 arg_action = ACTION_HALT;
4644 return halt_parse_argv(argc, argv);
4645 } else if (strstr(program_invocation_short_name, "poweroff")) {
4646 arg_action = ACTION_POWEROFF;
4647 return halt_parse_argv(argc, argv);
4648 } else if (strstr(program_invocation_short_name, "reboot")) {
5622dde3
KS		 4649 if (kexec_loaded())
4650 arg_action = ACTION_KEXEC;
4651 else
4652 arg_action = ACTION_REBOOT;
e4b61340
LP		 4653 return halt_parse_argv(argc, argv);
4654 } else if (strstr(program_invocation_short_name, "shutdown")) {
4655 arg_action = ACTION_POWEROFF;
4656 return shutdown_parse_argv(argc, argv);
4657 } else if (strstr(program_invocation_short_name, "init")) {
d5ca5f11
LP		 4658
4659 if (sd_booted() > 0) {
4660 arg_action = ACTION_INVALID;
4661 return telinit_parse_argv(argc, argv);
4662 } else {
4663 /* Hmm, so some other init system is
4664 * running, we need to forward this
4665 * request to it. For now we simply
4666 * guess that it is Upstart. */
4667
4668 execv("/lib/upstart/telinit", argv);
4669
4670 log_error("Couldn't find an alternative telinit implementation to spawn.");
4671 return -EIO;
4672 }
4673
e4b61340
LP		 4674 } else if (strstr(program_invocation_short_name, "runlevel")) {
4675 arg_action = ACTION_RUNLEVEL;
4676 return runlevel_parse_argv(argc, argv);
4677 }
4678 }
4679
4680 arg_action = ACTION_SYSTEMCTL;
4681 return systemctl_parse_argv(argc, argv);
4682}
4683
d55ae9e6 4684static int action_to_runlevel(void) {
eb22ac37
LP		 4685
4686 static const char table[_ACTION_MAX] = {
4687 [ACTION_HALT] = '0',
4688 [ACTION_POWEROFF] = '0',
4689 [ACTION_REBOOT] = '6',
4690 [ACTION_RUNLEVEL2] = '2',
4691 [ACTION_RUNLEVEL3] = '3',
4692 [ACTION_RUNLEVEL4] = '4',
4693 [ACTION_RUNLEVEL5] = '5',
4694 [ACTION_RESCUE] = '1'
4695 };
4696
d55ae9e6
LP		 4697 assert(arg_action < _ACTION_MAX);
4698
4699 return table[arg_action];
4700}
4701
f1c5860b 4702static int talk_upstart(void) {
d55ae9e6
LP		 4703 DBusMessage *m = NULL, *reply = NULL;
4704 DBusError error;
4705 int previous, rl, r;
4706 char
4707 env1_buf[] = "RUNLEVEL=X",
4708 env2_buf[] = "PREVLEVEL=X";
4709 char *env1 = env1_buf, *env2 = env2_buf;
4710 const char *emit = "runlevel";
4711 dbus_bool_t b_false = FALSE;
4712 DBusMessageIter iter, sub;
f1c5860b 4713 DBusConnection *bus;
d55ae9e6
LP		 4714
4715 dbus_error_init(&error);
4716
4717 if (!(rl = action_to_runlevel()))
4718 return 0;
4719
4720 if (utmp_get_runlevel(&previous, NULL) < 0)
4721 previous = 'N';
4722
b574246b 4723 if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) {
f1c5860b
LP		 4724 if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) {
4725 r = 0;
4726 goto finish;
4727 }
4728
4cf5d675 4729 log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
f1c5860b
LP		 4730 r = -EIO;
4731 goto finish;
4732 }
4733
4734 if ((r = bus_check_peercred(bus)) < 0) {
4735 log_error("Failed to verify owner of bus.");
4736 goto finish;
4737 }
4738
d55ae9e6
LP		 4739 if (!(m = dbus_message_new_method_call(
4740 "com.ubuntu.Upstart",
4741 "/com/ubuntu/Upstart",
4742 "com.ubuntu.Upstart0_6",
4743 "EmitEvent"))) {
4744
4745 log_error("Could not allocate message.");
f1c5860b
LP		 4746 r = -ENOMEM;
4747 goto finish;
d55ae9e6
LP		 4748 }
4749
4750 dbus_message_iter_init_append(m, &iter);
4751
4752 env1_buf[sizeof(env1_buf)-2] = rl;
4753 env2_buf[sizeof(env2_buf)-2] = previous;
4754
4755 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &emit) ||
4756 !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub) ||
4757 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env1) ||
4758 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env2) ||
4759 !dbus_message_iter_close_container(&iter, &sub) ||
4760 !dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b_false)) {
4761 log_error("Could not append arguments to message.");
4762 r = -ENOMEM;
4763 goto finish;
4764 }
4765
4766 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4767
4768 if (error_is_no_service(&error)) {
aabd9b11 4769 r = -EADDRNOTAVAIL;
d55ae9e6
LP		 4770 goto finish;
4771 }
4772
4cf5d675 4773 log_error("Failed to issue method call: %s", bus_error_message(&error));
d55ae9e6
LP		 4774 r = -EIO;
4775 goto finish;
4776 }
4777
0a55b298 4778 r = 1;
d55ae9e6
LP		 4779
4780finish:
4781 if (m)
4782 dbus_message_unref(m);
4783
4784 if (reply)
4785 dbus_message_unref(reply);
4786
b574246b 4787 if (bus) {
5d452f9c 4788 dbus_connection_flush(bus);
b574246b 4789 dbus_connection_close(bus);
f1c5860b 4790 dbus_connection_unref(bus);
b574246b 4791 }
f1c5860b 4792
d55ae9e6
LP		 4793 dbus_error_free(&error);
4794
4795 return r;
4796}
4797
4798static int talk_initctl(void) {
eb22ac37
LP		 4799 struct init_request request;
4800 int r, fd;
d55ae9e6 4801 char rl;
eb22ac37 4802
d55ae9e6 4803 if (!(rl = action_to_runlevel()))
eb22ac37
LP		 4804 return 0;
4805
4806 zero(request);
4807 request.magic = INIT_MAGIC;
4808 request.sleeptime = 0;
4809 request.cmd = INIT_CMD_RUNLVL;
d55ae9e6
LP		 4810 request.runlevel = rl;
4811
4812 if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) {
4813
4814 if (errno == ENOENT)
4815 return 0;
eb22ac37 4816
d55ae9e6 4817 log_error("Failed to open "INIT_FIFO": %m");
eb22ac37 4818 return -errno;
d55ae9e6 4819 }
eb22ac37 4820
d55ae9e6 4821 errno = 0;
eb22ac37
LP		 4822 r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
4823 close_nointr_nofail(fd);
4824
d55ae9e6
LP		 4825 if (r < 0) {
4826 log_error("Failed to write to "INIT_FIFO": %m");
eb22ac37 4827 return errno ? -errno : -EIO;
d55ae9e6 4828 }
eb22ac37
LP		 4829
4830 return 1;
e4b61340
LP		 4831}
4832
ee5762e3 4833static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
7e4249b9 4834
7e4249b9
LP		 4835 static const struct {
4836 const char* verb;
4837 const enum {
4838 MORE,
4839 LESS,
4840 EQUAL
4841 } argc_cmp;
4842 const int argc;
729e3769 4843 int (* const dispatch)(DBusConnection *bus, char **args);
7e4249b9 4844 } verbs[] = {
ee5762e3 4845 { "list-units", LESS, 1, list_units },
729e3769 4846 { "list-unit-files", EQUAL, 1, list_unit_files },
ee5762e3
LP		 4847 { "list-jobs", EQUAL, 1, list_jobs },
4848 { "clear-jobs", EQUAL, 1, daemon_reload },
4849 { "load", MORE, 2, load_unit },
4850 { "cancel", MORE, 2, cancel_job },
4851 { "start", MORE, 2, start_unit },
4852 { "stop", MORE, 2, start_unit },
a76f7be2 4853 { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
ee5762e3
LP		 4854 { "reload", MORE, 2, start_unit },
4855 { "restart", MORE, 2, start_unit },
4856 { "try-restart", MORE, 2, start_unit },
4857 { "reload-or-restart", MORE, 2, start_unit },
4858 { "reload-or-try-restart", MORE, 2, start_unit },
4859 { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
64e5f1b7 4860 { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
ee5762e3
LP		 4861 { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
4862 { "isolate", EQUAL, 2, start_unit },
8a0867d6 4863 { "kill", MORE, 2, kill_unit },
ee5762e3
LP		 4864 { "is-active", MORE, 2, check_unit },
4865 { "check", MORE, 2, check_unit },
4866 { "show", MORE, 1, show },
4867 { "status", MORE, 2, show },
ee5762e3
LP		 4868 { "dump", EQUAL, 1, dump },
4869 { "dot", EQUAL, 1, dot },
4870 { "snapshot", LESS, 2, snapshot },
4871 { "delete", MORE, 2, delete_snapshot },
4872 { "daemon-reload", EQUAL, 1, daemon_reload },
4873 { "daemon-reexec", EQUAL, 1, daemon_reload },
ee5762e3
LP		 4874 { "show-environment", EQUAL, 1, show_enviroment },
4875 { "set-environment", MORE, 2, set_environment },
4876 { "unset-environment", MORE, 2, set_environment },
4877 { "halt", EQUAL, 1, start_special },
4878 { "poweroff", EQUAL, 1, start_special },
4879 { "reboot", EQUAL, 1, start_special },
20b09ca7 4880 { "kexec", EQUAL, 1, start_special },
ee5762e3
LP		 4881 { "default", EQUAL, 1, start_special },
4882 { "rescue", EQUAL, 1, start_special },
4883 { "emergency", EQUAL, 1, start_special },
20b09ca7 4884 { "exit", EQUAL, 1, start_special },
fdf20a31 4885 { "reset-failed", MORE, 1, reset_failed },
ee5762e3
LP		 4886 { "enable", MORE, 2, enable_unit },
4887 { "disable", MORE, 2, enable_unit },
729e3769
LP		 4888 { "is-enabled", MORE, 2, unit_is_enabled },
4889 { "reenable", MORE, 2, enable_unit },
4890 { "preset", MORE, 2, enable_unit },
4891 { "mask", MORE, 2, enable_unit },
4892 { "unmask", MORE, 2, enable_unit },
4893 { "link", MORE, 2, enable_unit }
7e4249b9
LP		 4894 };
4895
e4b61340 4896 int left;
7e4249b9 4897 unsigned i;
7e4249b9 4898
e4b61340
LP		 4899 assert(argc >= 0);
4900 assert(argv);
ee5762e3 4901 assert(error);
7e4249b9
LP		 4902
4903 left = argc - optind;
4904
4905 if (left <= 0)
4906 /* Special rule: no arguments means "list-units" */
4907 i = 0;
4908 else {
0183528f
LP		 4909 if (streq(argv[optind], "help")) {
4910 systemctl_help();
4911 return 0;
4912 }
4913
7e4249b9
LP		 4914 for (i = 0; i < ELEMENTSOF(verbs); i++)
4915 if (streq(argv[optind], verbs[i].verb))
4916 break;
4917
4918 if (i >= ELEMENTSOF(verbs)) {
4919 log_error("Unknown operation %s", argv[optind]);
e4b61340 4920 return -EINVAL;
7e4249b9
LP		 4921 }
4922 }
4923
4924 switch (verbs[i].argc_cmp) {
4925
4926 case EQUAL:
4927 if (left != verbs[i].argc) {
4928 log_error("Invalid number of arguments.");
e4b61340 4929 return -EINVAL;
7e4249b9
LP		 4930 }
4931
4932 break;
4933
4934 case MORE:
4935 if (left < verbs[i].argc) {
4936 log_error("Too few arguments.");
e4b61340 4937 return -EINVAL;
7e4249b9
LP		 4938 }
4939
4940 break;
4941
4942 case LESS:
4943 if (left > verbs[i].argc) {
4944 log_error("Too many arguments.");
e4b61340 4945 return -EINVAL;
7e4249b9
LP		 4946 }
4947
4948 break;
4949
4950 default:
4951 assert_not_reached("Unknown comparison operator.");
4952 }
4953
ee5762e3
LP		 4954 /* Require a bus connection for all operations but
4955 * enable/disable */
729e3769
LP		 4956 if (!streq(verbs[i].verb, "enable") &&
4957 !streq(verbs[i].verb, "disable") &&
4958 !streq(verbs[i].verb, "is-enable") &&
4959 !streq(verbs[i].verb, "reenable") &&
4960 !streq(verbs[i].verb, "preset") &&
4961 !streq(verbs[i].verb, "mask") &&
4962 !streq(verbs[i].verb, "unmask") &&
4963 !streq(verbs[i].verb, "link")) {
82e23ddd
LP		 4964
4965 if (running_in_chroot() > 0) {
4966 log_info("Running in chroot, ignoring request.");
4967 return 0;
4968 }
4969
729e3769 4970 if (!bus && !avoid_bus()) {
82e23ddd
LP		 4971 log_error("Failed to get D-Bus connection: %s", error->message);
4972 return -EIO;
4973 }
ee5762e3
LP		 4974 }
4975
729e3769 4976 return verbs[i].dispatch(bus, argv + optind);
e4b61340
LP		 4977}
4978
52c00215 4979static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
f6144808
LP		 4980 int fd = -1;
4981 struct msghdr msghdr;
4982 struct iovec iovec;
4983 union sockaddr_union sockaddr;
f6144808
LP		 4984 struct shutdownd_command c;
4985
4986 zero(c);
4987 c.elapse = t;
4988 c.mode = mode;
52c00215 4989 c.dry_run = dry_run;
9be9828c
LP		 4990 c.warn_wall = warn;
4991
4992 if (message)
4993 strncpy(c.wall_message, message, sizeof(c.wall_message));
f6144808
LP		 4994
4995 if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0)
4996 return -errno;
4997
4998 zero(sockaddr);
4999 sockaddr.sa.sa_family = AF_UNIX;
5000 sockaddr.un.sun_path[0] = 0;
2b583ce6 5001 strncpy(sockaddr.un.sun_path, "/run/systemd/shutdownd", sizeof(sockaddr.un.sun_path));
f6144808
LP		 5002
5003 zero(iovec);
5004 iovec.iov_base = (char*) &c;
5005 iovec.iov_len = sizeof(c);
5006
f6144808
LP		 5007 zero(msghdr);
5008 msghdr.msg_name = &sockaddr;
2b583ce6 5009 msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + sizeof("/run/systemd/shutdownd") - 1;
f6144808
LP		 5010
5011 msghdr.msg_iov = &iovec;
5012 msghdr.msg_iovlen = 1;
f6144808
LP		 5013
5014 if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
5015 close_nointr_nofail(fd);
5016 return -errno;
5017 }
5018
5019 close_nointr_nofail(fd);
5020 return 0;
5021}
5022
e4b61340 5023static int reload_with_fallback(DBusConnection *bus) {
e4b61340
LP		 5024
5025 if (bus) {
5026 /* First, try systemd via D-Bus. */
729e3769 5027 if (daemon_reload(bus, NULL) > 0)
e4b61340
LP		 5028 return 0;
5029 }
5030
5031 /* Nothing else worked, so let's try signals */
5032 assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
5033
5034 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) {
5035 log_error("kill() failed: %m");
5036 return -errno;
5037 }
5038
5039 return 0;
5040}
5041
5042static int start_with_fallback(DBusConnection *bus) {
e4b61340
LP		 5043
5044 if (bus) {
5045 /* First, try systemd via D-Bus. */
729e3769 5046 if (start_unit(bus, NULL) >= 0)
983d9c90 5047 goto done;
e4b61340
LP		 5048 }
5049
ec7f7f20
LP		 5050 /* Hmm, talking to systemd via D-Bus didn't work. Then
5051 * let's try to talk to Upstart via D-Bus. */
e364ad06 5052 if (talk_upstart() > 0)
ec7f7f20
LP		 5053 goto done;
5054
e4b61340
LP		 5055 /* Nothing else worked, so let's try
5056 * /dev/initctl */
fbc43921 5057 if (talk_initctl() > 0)
983d9c90 5058 goto done;
d55ae9e6
LP		 5059
5060 log_error("Failed to talk to init daemon.");
5061 return -EIO;
983d9c90
LP		 5062
5063done:
5064 warn_wall(arg_action);
5065 return 0;
e4b61340
LP		 5066}
5067
5068static int halt_main(DBusConnection *bus) {
5069 int r;
5070
bc8c2f5c 5071 if (geteuid() != 0) {
cc8a7a61 5072 log_error("Must be root.");
bc8c2f5c
LP		 5073 return -EPERM;
5074 }
5075
f6144808 5076 if (arg_when > 0) {
9be9828c 5077 char *m;
08e4b1c5 5078 char date[FORMAT_TIMESTAMP_MAX];
9be9828c
LP		 5079
5080 m = strv_join(arg_wall, " ");
5081 r = send_shutdownd(arg_when,
5082 arg_action == ACTION_HALT ? 'H' :
5083 arg_action == ACTION_POWEROFF ? 'P' :
5084 'r',
52c00215 5085 arg_dry,
9be9828c
LP		 5086 !arg_no_wall,
5087 m);
5088 free(m);
5089
5090 if (r < 0)
f6144808 5091 log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
08e4b1c5
LP		 5092 else {
5093 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
5094 format_timestamp(date, sizeof(date), arg_when));
f6144808 5095 return 0;
08e4b1c5 5096 }
f6144808
LP		 5097 }
5098
d47b555b 5099 if (!arg_dry && !arg_immediate)
e4b61340
LP		 5100 return start_with_fallback(bus);
5101
d90e1a30
LP		 5102 if (!arg_no_wtmp) {
5103 if (sd_booted() > 0)
5104 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
5105 else if ((r = utmp_put_shutdown(0)) < 0)
e4b61340 5106 log_warning("Failed to write utmp record: %s", strerror(-r));
d90e1a30 5107 }
e4b61340
LP		 5108
5109 if (!arg_no_sync)
5110 sync();
5111
5112 if (arg_dry)
5113 return 0;
5114
5115 /* Make sure C-A-D is handled by the kernel from this
5116 * point on... */
5117 reboot(RB_ENABLE_CAD);
5118
5119 switch (arg_action) {
5120
5121 case ACTION_HALT:
3059b1c1 5122 log_info("Halting.");
e4b61340
LP		 5123 reboot(RB_HALT_SYSTEM);
5124 break;
5125
5126 case ACTION_POWEROFF:
3059b1c1 5127 log_info("Powering off.");
e4b61340
LP		 5128 reboot(RB_POWER_OFF);
5129 break;
5130
5131 case ACTION_REBOOT:
3059b1c1 5132 log_info("Rebooting.");
e4b61340
LP		 5133 reboot(RB_AUTOBOOT);
5134 break;
5135
5136 default:
5137 assert_not_reached("Unknown halt action.");
5138 }
5139
5140 /* We should never reach this. */
5141 return -ENOSYS;
5142}
5143
5144static int runlevel_main(void) {
5145 int r, runlevel, previous;
5146
729e3769
LP		 5147 r = utmp_get_runlevel(&runlevel, &previous);
5148 if (r < 0) {
5149 puts("unknown");
e4b61340
LP		 5150 return r;
5151 }
5152
5153 printf("%c %c\n",
5154 previous <= 0 ? 'N' : previous,
5155 runlevel <= 0 ? 'N' : runlevel);
5156
5157 return 0;
5158}
5159
5160int main(int argc, char*argv[]) {
22f4096c 5161 int r, retval = EXIT_FAILURE;
e4b61340
LP		 5162 DBusConnection *bus = NULL;
5163 DBusError error;
5164
5165 dbus_error_init(&error);
5166
5167 log_parse_environment();
2396fb04 5168 log_open();
e4b61340
LP		 5169
5170 if ((r = parse_argv(argc, argv)) < 0)
5171 goto finish;
5172 else if (r == 0) {
22f4096c 5173 retval = EXIT_SUCCESS;
7e4249b9
LP		 5174 goto finish;
5175 }
5176
e4b61340
LP		 5177 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
5178 * let's shortcut this */
5179 if (arg_action == ACTION_RUNLEVEL) {
22f4096c
LP		 5180 r = runlevel_main();
5181 retval = r < 0 ? EXIT_FAILURE : r;
e4b61340
LP		 5182 goto finish;
5183 }
5184
82e23ddd
LP		 5185 if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
5186 log_info("Running in chroot, ignoring request.");
5187 retval = 0;
5188 goto finish;
5189 }
5190
729e3769
LP		 5191 if (!avoid_bus()) {
5192 if (arg_transport == TRANSPORT_NORMAL)
5193 bus_connect(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &bus, &private_bus, &error);
5194 else if (arg_transport == TRANSPORT_POLKIT) {
5195 bus_connect_system_polkit(&bus, &error);
5196 private_bus = false;
5197 } else if (arg_transport == TRANSPORT_SSH) {
5198 bus_connect_system_ssh(NULL, arg_host, &bus, &error);
5199 private_bus = false;
5200 } else
5201 assert_not_reached("Uh, invalid transport...");
5202 }
e4b61340
LP		 5203
5204 switch (arg_action) {
5205
22f4096c
LP		 5206 case ACTION_SYSTEMCTL:
5207 r = systemctl_main(bus, argc, argv, &error);
e4b61340 5208 break;
e4b61340
LP		 5209
5210 case ACTION_HALT:
5211 case ACTION_POWEROFF:
5212 case ACTION_REBOOT:
5622dde3 5213 case ACTION_KEXEC:
22f4096c 5214 r = halt_main(bus);
e4b61340
LP		 5215 break;
5216
e4b61340
LP		 5217 case ACTION_RUNLEVEL2:
5218 case ACTION_RUNLEVEL3:
5219 case ACTION_RUNLEVEL4:
5220 case ACTION_RUNLEVEL5:
5221 case ACTION_RESCUE:
514f4ef5 5222 case ACTION_EMERGENCY:
eb22ac37 5223 case ACTION_DEFAULT:
22f4096c 5224 r = start_with_fallback(bus);
e4b61340 5225 break;
7e4249b9 5226
e4b61340
LP		 5227 case ACTION_RELOAD:
5228 case ACTION_REEXEC:
22f4096c 5229 r = reload_with_fallback(bus);
e4b61340
LP		 5230 break;
5231
f6144808 5232 case ACTION_CANCEL_SHUTDOWN:
52c00215 5233 r = send_shutdownd(0, 0, false, false, NULL);
f6144808
LP		 5234 break;
5235
eb22ac37
LP		 5236 case ACTION_INVALID:
5237 case ACTION_RUNLEVEL:
e4b61340
LP		 5238 default:
5239 assert_not_reached("Unknown action");
5240 }
7e4249b9 5241
22f4096c
LP		 5242 retval = r < 0 ? EXIT_FAILURE : r;
5243
7e4249b9 5244finish:
b574246b 5245 if (bus) {
5d452f9c 5246 dbus_connection_flush(bus);
b574246b 5247 dbus_connection_close(bus);
7e4249b9 5248 dbus_connection_unref(bus);
b574246b 5249 }
7e4249b9 5250
e4b61340
LP		 5251 dbus_error_free(&error);
5252
7e4249b9
LP		 5253 dbus_shutdown();
5254
ea4a240d
LP		 5255 strv_free(arg_property);
5256
1888c907 5257 pager_close();
c0f9c7da 5258 agent_close();
1888c907 5259
7e4249b9
LP		 5260 return retval;
5261}
Unnamed repository; edit this file 'description' to name the repository.