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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;
1965
1966 const char *description;
4a9e2fff 1967 const char *following;
61cbdc4b 1968
c31b4423 1969 const char *path;
61cbdc4b
LP		 1970 const char *default_control_group;
1971
584be568
LP		 1972 usec_t inactive_exit_timestamp;
1973 usec_t active_enter_timestamp;
1974 usec_t active_exit_timestamp;
1975 usec_t inactive_enter_timestamp;
1976
45fb0699
LP		 1977 bool need_daemon_reload;
1978
61cbdc4b
LP		 1979 /* Service */
1980 pid_t main_pid;
1981 pid_t control_pid;
1982 const char *status_text;
d06dacd0 1983 bool running:1;
07459bb6 1984#ifdef HAVE_SYSV_COMPAT
d06dacd0 1985 bool is_sysv:1;
07459bb6 1986#endif
61cbdc4b
LP		 1987
1988 usec_t start_timestamp;
1989 usec_t exit_timestamp;
1990
1991 int exit_code, exit_status;
1992
90bbc946
LP		 1993 usec_t condition_timestamp;
1994 bool condition_result;
1995
61cbdc4b
LP		 1996 /* Socket */
1997 unsigned n_accepted;
1998 unsigned n_connections;
b8131a87 1999 bool accept;
61cbdc4b
LP		 2000
2001 /* Device */
2002 const char *sysfs_path;
2003
2004 /* Mount, Automount */
2005 const char *where;
2006
2007 /* Swap */
2008 const char *what;
582a507f
LP		 2009
2010 LIST_HEAD(ExecStatusInfo, exec);
61cbdc4b
LP		 2011} UnitStatusInfo;
2012
2013static void print_status_info(UnitStatusInfo *i) {
582a507f 2014 ExecStatusInfo *p;
2ee68f72 2015 const char *on, *off, *ss;
584be568
LP		 2016 usec_t timestamp;
2017 char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
2018 char since2[FORMAT_TIMESTAMP_MAX], *s2;
582a507f 2019
61cbdc4b
LP		 2020 assert(i);
2021
2022 /* This shows pretty information about a unit. See
2023 * print_property() for a low-level property printer */
2024
2025 printf("%s", strna(i->id));
2026
2027 if (i->description && !streq_ptr(i->id, i->description))
2028 printf(" - %s", i->description);
2029
2030 printf("\n");
2031
4a9e2fff
LP		 2032 if (i->following)
2033 printf("\t Follow: unit currently follows state of %s\n", i->following);
2034
00dc5d76
LP		 2035 if (streq_ptr(i->load_state, "failed") ||
2036 streq_ptr(i->load_state, "banned")) {
c31b4423
LP		 2037 on = ansi_highlight(true);
2038 off = ansi_highlight(false);
2039 } else
2040 on = off = "";
2041
2042 if (i->path)
2043 printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path);
61cbdc4b 2044 else
c31b4423 2045 printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off);
61cbdc4b 2046
2ee68f72
LP		 2047 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
2048
fdf20a31 2049 if (streq_ptr(i->active_state, "failed")) {
2ee68f72
LP		 2050 on = ansi_highlight(true);
2051 off = ansi_highlight(false);
2052 } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
2053 on = ansi_highlight_green(true);
2054 off = ansi_highlight_green(false);
2055 } else
2056 on = off = "";
2057
2058 if (ss)
584be568 2059 printf("\t Active: %s%s (%s)%s",
2ee68f72
LP		 2060 on,
2061 strna(i->active_state),
2062 ss,
2063 off);
2064 else
584be568 2065 printf("\t Active: %s%s%s",
2ee68f72
LP		 2066 on,
2067 strna(i->active_state),
2068 off);
61cbdc4b 2069
584be568
LP		 2070 timestamp = (streq_ptr(i->active_state, "active") ||
2071 streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
2072 (streq_ptr(i->active_state, "inactive") ||
fdf20a31 2073 streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
584be568
LP		 2074 streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
2075 i->active_exit_timestamp;
2076
2077 s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp);
2078 s2 = format_timestamp(since2, sizeof(since2), timestamp);
2079
2080 if (s1)
538da63d 2081 printf(" since %s; %s\n", s2, s1);
584be568 2082 else if (s2)
538da63d 2083 printf(" since %s\n", s2);
584be568
LP		 2084 else
2085 printf("\n");
2086
90bbc946
LP		 2087 if (!i->condition_result && i->condition_timestamp > 0) {
2088 s1 = format_timestamp_pretty(since1, sizeof(since1), i->condition_timestamp);
2089 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
2090
2091 if (s1)
2092 printf("\t start condition failed at %s; %s\n", s2, s1);
2093 else if (s2)
2094 printf("\t start condition failed at %s\n", s2);
2095 }
2096
61cbdc4b
LP		 2097 if (i->sysfs_path)
2098 printf("\t Device: %s\n", i->sysfs_path);
9feeba4b 2099 if (i->where)
61cbdc4b 2100 printf("\t Where: %s\n", i->where);
9feeba4b 2101 if (i->what)
61cbdc4b
LP		 2102 printf("\t What: %s\n", i->what);
2103
b8131a87 2104 if (i->accept)
61cbdc4b
LP		 2105 printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
2106
582a507f
LP		 2107 LIST_FOREACH(exec, p, i->exec) {
2108 char *t;
9a57c629 2109 bool good;
582a507f
LP		 2110
2111 /* Only show exited processes here */
2112 if (p->code == 0)
2113 continue;
2114
2115 t = strv_join(p->argv, " ");
9a57c629 2116 printf("\t Process: %u %s=%s ", p->pid, p->name, strna(t));
582a507f
LP		 2117 free(t);
2118
9a57c629
LP		 2119#ifdef HAVE_SYSV_COMPAT
2120 if (i->is_sysv)
2121 good = is_clean_exit_lsb(p->code, p->status);
2122 else
2123#endif
2124 good = is_clean_exit(p->code, p->status);
2125
2126 if (!good) {
2127 on = ansi_highlight(true);
2128 off = ansi_highlight(false);
2129 } else
2130 on = off = "";
2131
2132 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
2133
d06dacd0
LP		 2134 if (p->code == CLD_EXITED) {
2135 const char *c;
2136
582a507f 2137 printf("status=%i", p->status);
d06dacd0 2138
07459bb6 2139#ifdef HAVE_SYSV_COMPAT
d06dacd0 2140 if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
07459bb6
FF		 2141#else
2142 if ((c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD)))
2143#endif
d06dacd0
LP		 2144 printf("/%s", c);
2145
2146 } else
582a507f 2147 printf("signal=%s", signal_to_string(p->status));
9a57c629
LP		 2148
2149 printf(")%s\n", off);
2150
2151 on = off = NULL;
582a507f
LP		 2152
2153 if (i->main_pid == p->pid &&
2154 i->start_timestamp == p->start_timestamp &&
2155 i->exit_timestamp == p->start_timestamp)
2156 /* Let's not show this twice */
2157 i->main_pid = 0;
2158
2159 if (p->pid == i->control_pid)
2160 i->control_pid = 0;
2161 }
2162
61cbdc4b
LP		 2163 if (i->main_pid > 0 || i->control_pid > 0) {
2164 printf("\t");
2165
2166 if (i->main_pid > 0) {
f3d41013 2167 printf("Main PID: %u", (unsigned) i->main_pid);
61cbdc4b
LP		 2168
2169 if (i->running) {
2170 char *t = NULL;
2171 get_process_name(i->main_pid, &t);
2172 if (t) {
2173 printf(" (%s)", t);
2174 free(t);
2175 }
6d4fc029 2176 } else if (i->exit_code > 0) {
61cbdc4b
LP		 2177 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
2178
d06dacd0
LP		 2179 if (i->exit_code == CLD_EXITED) {
2180 const char *c;
2181
61cbdc4b 2182 printf("status=%i", i->exit_status);
d06dacd0 2183
07459bb6 2184#ifdef HAVE_SYSV_COMPAT
d06dacd0 2185 if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
07459bb6
FF		 2186#else
2187 if ((c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD)))
2188#endif
d06dacd0
LP		 2189 printf("/%s", c);
2190
2191 } else
582a507f 2192 printf("signal=%s", signal_to_string(i->exit_status));
6d4fc029
LP		 2193 printf(")");
2194 }
61cbdc4b
LP		 2195 }
2196
2197 if (i->main_pid > 0 && i->control_pid > 0)
2198 printf(";");
2199
2200 if (i->control_pid > 0) {
2201 char *t = NULL;
2202
2203 printf(" Control: %u", (unsigned) i->control_pid);
2204
2205 get_process_name(i->control_pid, &t);
2206 if (t) {
2207 printf(" (%s)", t);
2208 free(t);
2209 }
2210 }
2211
2212 printf("\n");
2213 }
2214
17bb7382
LP		 2215 if (i->status_text)
2216 printf("\t Status: \"%s\"\n", i->status_text);
2217
c59760ee 2218 if (i->default_control_group) {
ab35fb1b
LP		 2219 unsigned c;
2220
61cbdc4b 2221 printf("\t CGroup: %s\n", i->default_control_group);
ab35fb1b 2222
a8f11321
LP		 2223 if (arg_transport != TRANSPORT_SSH) {
2224 if ((c = columns()) > 18)
2225 c -= 18;
2226 else
2227 c = 0;
ab35fb1b 2228
a8f11321
LP		 2229 show_cgroup_by_path(i->default_control_group, "\t\t ", c);
2230 }
c59760ee 2231 }
45fb0699
LP		 2232
2233 if (i->need_daemon_reload)
2cc59dbf
LP		 2234 printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
2235 ansi_highlight(true),
2236 ansi_highlight(false),
729e3769 2237 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
61cbdc4b
LP		 2238}
2239
2240static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
2241
a4c279f8
LP		 2242 assert(name);
2243 assert(iter);
2244 assert(i);
2245
61cbdc4b
LP		 2246 switch (dbus_message_iter_get_arg_type(iter)) {
2247
2248 case DBUS_TYPE_STRING: {
2249 const char *s;
2250
2251 dbus_message_iter_get_basic(iter, &s);
2252
a4c279f8 2253 if (!isempty(s)) {
61cbdc4b
LP		 2254 if (streq(name, "Id"))
2255 i->id = s;
2256 else if (streq(name, "LoadState"))
2257 i->load_state = s;
2258 else if (streq(name, "ActiveState"))
2259 i->active_state = s;
2260 else if (streq(name, "SubState"))
2261 i->sub_state = s;
2262 else if (streq(name, "Description"))
2263 i->description = s;
2264 else if (streq(name, "FragmentPath"))
c31b4423 2265 i->path = s;
07459bb6 2266#ifdef HAVE_SYSV_COMPAT
d06dacd0
LP		 2267 else if (streq(name, "SysVPath")) {
2268 i->is_sysv = true;
c31b4423 2269 i->path = s;
07459bb6
FF		 2270 }
2271#endif
2272 else if (streq(name, "DefaultControlGroup"))
61cbdc4b
LP		 2273 i->default_control_group = s;
2274 else if (streq(name, "StatusText"))
2275 i->status_text = s;
2276 else if (streq(name, "SysFSPath"))
2277 i->sysfs_path = s;
2278 else if (streq(name, "Where"))
2279 i->where = s;
2280 else if (streq(name, "What"))
2281 i->what = s;
4a9e2fff
LP		 2282 else if (streq(name, "Following"))
2283 i->following = s;
61cbdc4b
LP		 2284 }
2285
2286 break;
2287 }
2288
b8131a87
LP		 2289 case DBUS_TYPE_BOOLEAN: {
2290 dbus_bool_t b;
2291
2292 dbus_message_iter_get_basic(iter, &b);
2293
2294 if (streq(name, "Accept"))
2295 i->accept = b;
45fb0699
LP		 2296 else if (streq(name, "NeedDaemonReload"))
2297 i->need_daemon_reload = b;
90bbc946
LP		 2298 else if (streq(name, "ConditionResult"))
2299 i->condition_result = b;
b8131a87
LP		 2300
2301 break;
2302 }
2303
61cbdc4b
LP		 2304 case DBUS_TYPE_UINT32: {
2305 uint32_t u;
2306
2307 dbus_message_iter_get_basic(iter, &u);
2308
2309 if (streq(name, "MainPID")) {
2310 if (u > 0) {
2311 i->main_pid = (pid_t) u;
2312 i->running = true;
2313 }
2314 } else if (streq(name, "ControlPID"))
2315 i->control_pid = (pid_t) u;
2316 else if (streq(name, "ExecMainPID")) {
2317 if (u > 0)
2318 i->main_pid = (pid_t) u;
2319 } else if (streq(name, "NAccepted"))
2320 i->n_accepted = u;
2321 else if (streq(name, "NConnections"))
2322 i->n_connections = u;
2323
2324 break;
2325 }
2326
2327 case DBUS_TYPE_INT32: {
2328 int32_t j;
2329
2330 dbus_message_iter_get_basic(iter, &j);
2331
2332 if (streq(name, "ExecMainCode"))
2333 i->exit_code = (int) j;
2334 else if (streq(name, "ExecMainStatus"))
2335 i->exit_status = (int) j;
2336
2337 break;
2338 }
2339
2340 case DBUS_TYPE_UINT64: {
2341 uint64_t u;
2342
2343 dbus_message_iter_get_basic(iter, &u);
2344
2345 if (streq(name, "ExecMainStartTimestamp"))
2346 i->start_timestamp = (usec_t) u;
2347 else if (streq(name, "ExecMainExitTimestamp"))
2348 i->exit_timestamp = (usec_t) u;
584be568
LP		 2349 else if (streq(name, "ActiveEnterTimestamp"))
2350 i->active_enter_timestamp = (usec_t) u;
2351 else if (streq(name, "InactiveEnterTimestamp"))
2352 i->inactive_enter_timestamp = (usec_t) u;
2353 else if (streq(name, "InactiveExitTimestamp"))
2354 i->inactive_exit_timestamp = (usec_t) u;
2355 else if (streq(name, "ActiveExitTimestamp"))
2356 i->active_exit_timestamp = (usec_t) u;
90bbc946
LP		 2357 else if (streq(name, "ConditionTimestamp"))
2358 i->condition_timestamp = (usec_t) u;
61cbdc4b
LP		 2359
2360 break;
2361 }
582a507f
LP		 2362
2363 case DBUS_TYPE_ARRAY: {
2364
2365 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
2366 startswith(name, "Exec")) {
2367 DBusMessageIter sub;
2368
2369 dbus_message_iter_recurse(iter, &sub);
2370 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2371 ExecStatusInfo *info;
2372 int r;
2373
2374 if (!(info = new0(ExecStatusInfo, 1)))
2375 return -ENOMEM;
2376
0129173a
LP		 2377 if (!(info->name = strdup(name))) {
2378 free(info);
2379 return -ENOMEM;
2380 }
2381
582a507f
LP		 2382 if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
2383 free(info);
2384 return r;
2385 }
2386
2387 LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
2388
2389 dbus_message_iter_next(&sub);
2390 }
2391 }
2392
2393 break;
2394 }
61cbdc4b
LP		 2395 }
2396
2397 return 0;
2398}
2399
48220598
LP		 2400static int print_property(const char *name, DBusMessageIter *iter) {
2401 assert(name);
2402 assert(iter);
2403
61cbdc4b
LP		 2404 /* This is a low-level property printer, see
2405 * print_status_info() for the nicer output */
2406
ea4a240d 2407 if (arg_property && !strv_find(arg_property, name))
48220598
LP		 2408 return 0;
2409
2410 switch (dbus_message_iter_get_arg_type(iter)) {
2411
48220598
LP		 2412 case DBUS_TYPE_STRUCT: {
2413 DBusMessageIter sub;
2414 dbus_message_iter_recurse(iter, &sub);
2415
ebf57b80 2416 if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) {
48220598
LP		 2417 uint32_t u;
2418
2419 dbus_message_iter_get_basic(&sub, &u);
2420
2421 if (u)
2422 printf("%s=%u\n", name, (unsigned) u);
2423 else if (arg_all)
2424 printf("%s=\n", name);
2425
2426 return 0;
ebf57b80 2427 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) {
48220598
LP		 2428 const char *s;
2429
2430 dbus_message_iter_get_basic(&sub, &s);
2431
2432 if (arg_all || s[0])
2433 printf("%s=%s\n", name, s);
2434
2435 return 0;
2436 }
2437
2438 break;
2439 }
2440
2441 case DBUS_TYPE_ARRAY:
2442
a4c279f8 2443 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
8c7be95e
LP		 2444 DBusMessageIter sub, sub2;
2445
2446 dbus_message_iter_recurse(iter, &sub);
2447 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2448 const char *path;
2449 dbus_bool_t ignore;
2450
2451 dbus_message_iter_recurse(&sub, &sub2);
2452
2453 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 &&
2454 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0)
ecdcbc5e 2455 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
8c7be95e
LP		 2456
2457 dbus_message_iter_next(&sub);
2458 }
2459
2460 return 0;
2461
ebf57b80
LP		 2462 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
2463 DBusMessageIter sub, sub2;
2464
2465 dbus_message_iter_recurse(iter, &sub);
ebf57b80
LP		 2466 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2467 const char *type, *path;
2468
2469 dbus_message_iter_recurse(&sub, &sub2);
2470
2471 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 &&
2472 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0)
2473 printf("%s=%s\n", type, path);
2474
2475 dbus_message_iter_next(&sub);
2476 }
2477
707e5e52 2478 return 0;
582a507f 2479
707e5e52
LP		 2480 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
2481 DBusMessageIter sub, sub2;
2482
2483 dbus_message_iter_recurse(iter, &sub);
707e5e52
LP		 2484 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2485 const char *base;
2486 uint64_t value, next_elapse;
2487
2488 dbus_message_iter_recurse(&sub, &sub2);
2489
2490 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 &&
2491 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 &&
552e4331
LP		 2492 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 0) {
2493 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
2494
2495 printf("%s={ value=%s ; next_elapse=%s }\n",
fe68089d 2496 base,
552e4331
LP		 2497 format_timespan(timespan1, sizeof(timespan1), value),
2498 format_timespan(timespan2, sizeof(timespan2), next_elapse));
2499 }
fe68089d
LP		 2500
2501 dbus_message_iter_next(&sub);
2502 }
2503
2504 return 0;
fe68089d 2505
582a507f
LP		 2506 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
2507 DBusMessageIter sub;
fe68089d
LP		 2508
2509 dbus_message_iter_recurse(iter, &sub);
fe68089d 2510 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
582a507f 2511 ExecStatusInfo info;
fe68089d 2512
582a507f
LP		 2513 zero(info);
2514 if (exec_status_info_deserialize(&sub, &info) >= 0) {
fe68089d 2515 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
582a507f
LP		 2516 char *t;
2517
2518 t = strv_join(info.argv, " ");
2519
ecdcbc5e 2520 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		 2521 name,
2522 strna(info.path),
2523 strna(t),
b708e7ce 2524 yes_no(info.ignore),
582a507f
LP		 2525 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
2526 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
2527 (unsigned) info. pid,
2528 sigchld_code_to_string(info.code),
2529 info.status,
2530 info.code == CLD_EXITED ? "" : "/",
2531 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
fe68089d 2532
582a507f 2533 free(t);
fe68089d
LP		 2534 }
2535
582a507f
LP		 2536 free(info.path);
2537 strv_free(info.argv);
707e5e52
LP		 2538
2539 dbus_message_iter_next(&sub);
2540 }
2541
48220598
LP		 2542 return 0;
2543 }
2544
2545 break;
2546 }
2547
a4c279f8
LP		 2548 if (generic_print_property(name, iter, arg_all) > 0)
2549 return 0;
2550
48220598
LP		 2551 if (arg_all)
2552 printf("%s=[unprintable]\n", name);
2553
2554 return 0;
2555}
2556
be8088a2 2557static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
48220598
LP		 2558 DBusMessage *m = NULL, *reply = NULL;
2559 const char *interface = "";
2560 int r;
2561 DBusError error;
2562 DBusMessageIter iter, sub, sub2, sub3;
61cbdc4b 2563 UnitStatusInfo info;
582a507f 2564 ExecStatusInfo *p;
48220598
LP		 2565
2566 assert(bus);
2567 assert(path);
61cbdc4b 2568 assert(new_line);
48220598 2569
61cbdc4b 2570 zero(info);
48220598
LP		 2571 dbus_error_init(&error);
2572
2573 if (!(m = dbus_message_new_method_call(
2574 "org.freedesktop.systemd1",
2575 path,
2576 "org.freedesktop.DBus.Properties",
2577 "GetAll"))) {
2578 log_error("Could not allocate message.");
2579 r = -ENOMEM;
2580 goto finish;
2581 }
2582
2583 if (!dbus_message_append_args(m,
2584 DBUS_TYPE_STRING, &interface,
2585 DBUS_TYPE_INVALID)) {
2586 log_error("Could not append arguments to message.");
2587 r = -ENOMEM;
2588 goto finish;
2589 }
2590
2591 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2592 log_error("Failed to issue method call: %s", bus_error_message(&error));
48220598
LP		 2593 r = -EIO;
2594 goto finish;
2595 }
2596
2597 if (!dbus_message_iter_init(reply, &iter) ||
2598 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
2599 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
2600 log_error("Failed to parse reply.");
2601 r = -EIO;
2602 goto finish;
2603 }
2604
2605 dbus_message_iter_recurse(&iter, &sub);
2606
61cbdc4b
LP		 2607 if (*new_line)
2608 printf("\n");
2609
2610 *new_line = true;
2611
48220598
LP		 2612 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
2613 const char *name;
2614
2615 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
2616 log_error("Failed to parse reply.");
2617 r = -EIO;
2618 goto finish;
2619 }
2620
2621 dbus_message_iter_recurse(&sub, &sub2);
0183528f 2622
48220598
LP		 2623 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
2624 log_error("Failed to parse reply.");
2625 r = -EIO;
2626 goto finish;
2627 }
2628
2629 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
2630 log_error("Failed to parse reply.");
2631 r = -EIO;
2632 goto finish;
2633 }
2634
2635 dbus_message_iter_recurse(&sub2, &sub3);
2636
61cbdc4b
LP		 2637 if (show_properties)
2638 r = print_property(name, &sub3);
2639 else
2640 r = status_property(name, &sub3, &info);
2641
2642 if (r < 0) {
48220598
LP		 2643 log_error("Failed to parse reply.");
2644 r = -EIO;
2645 goto finish;
2646 }
2647
2648 dbus_message_iter_next(&sub);
2649 }
2650
f1e36d67
LP		 2651 r = 0;
2652
22f4096c
LP		 2653 if (!show_properties)
2654 print_status_info(&info);
f1e36d67 2655
22f4096c 2656 if (!streq_ptr(info.active_state, "active") &&
be8088a2
LP		 2657 !streq_ptr(info.active_state, "reloading") &&
2658 streq(verb, "status"))
22f4096c
LP		 2659 /* According to LSB: "program not running" */
2660 r = 3;
61cbdc4b 2661
582a507f
LP		 2662 while ((p = info.exec)) {
2663 LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
2664 exec_status_info_free(p);
2665 }
2666
48220598
LP		 2667finish:
2668 if (m)
2669 dbus_message_unref(m);
2670
2671 if (reply)
2672 dbus_message_unref(reply);
2673
2674 dbus_error_free(&error);
2675
2676 return r;
2677}
2678
729e3769 2679static int show(DBusConnection *bus, char **args) {
48220598 2680 DBusMessage *m = NULL, *reply = NULL;
22f4096c 2681 int r, ret = 0;
48220598 2682 DBusError error;
61cbdc4b 2683 bool show_properties, new_line = false;
729e3769 2684 char **name;
48220598
LP		 2685
2686 assert(bus);
2687 assert(args);
2688
2689 dbus_error_init(&error);
2690
61cbdc4b
LP		 2691 show_properties = !streq(args[0], "status");
2692
ec14911e 2693 if (show_properties)
1968a360 2694 pager_open_if_enabled();
ec14911e 2695
729e3769 2696 if (show_properties && strv_length(args) <= 1) {
48220598
LP		 2697 /* If not argument is specified inspect the manager
2698 * itself */
2699
be8088a2 2700 ret = show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line);
48220598
LP		 2701 goto finish;
2702 }
2703
729e3769 2704 STRV_FOREACH(name, args+1) {
48220598
LP		 2705 const char *path = NULL;
2706 uint32_t id;
2707
729e3769 2708 if (safe_atou32(*name, &id) < 0) {
598b557b
LP		 2709
2710 /* Interpret as unit name */
48220598
LP		 2711
2712 if (!(m = dbus_message_new_method_call(
2713 "org.freedesktop.systemd1",
2714 "/org/freedesktop/systemd1",
2715 "org.freedesktop.systemd1.Manager",
e87d1818 2716 "LoadUnit"))) {
48220598 2717 log_error("Could not allocate message.");
22f4096c 2718 ret = -ENOMEM;
48220598
LP		 2719 goto finish;
2720 }
2721
2722 if (!dbus_message_append_args(m,
729e3769 2723 DBUS_TYPE_STRING, name,
48220598
LP		 2724 DBUS_TYPE_INVALID)) {
2725 log_error("Could not append arguments to message.");
22f4096c 2726 ret = -ENOMEM;
48220598
LP		 2727 goto finish;
2728 }
2729
ed2d7a44
LP		 2730 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
2731
2732 if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
4cf5d675 2733 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2734 ret = -EIO;
ed2d7a44
LP		 2735 goto finish;
2736 }
2737
2738 dbus_error_free(&error);
2739
2740 dbus_message_unref(m);
2741 if (!(m = dbus_message_new_method_call(
2742 "org.freedesktop.systemd1",
2743 "/org/freedesktop/systemd1",
2744 "org.freedesktop.systemd1.Manager",
2745 "GetUnit"))) {
2746 log_error("Could not allocate message.");
22f4096c 2747 ret = -ENOMEM;
ed2d7a44
LP		 2748 goto finish;
2749 }
2750
2751 if (!dbus_message_append_args(m,
729e3769 2752 DBUS_TYPE_STRING, name,
ed2d7a44
LP		 2753 DBUS_TYPE_INVALID)) {
2754 log_error("Could not append arguments to message.");
22f4096c 2755 ret = -ENOMEM;
ed2d7a44
LP		 2756 goto finish;
2757 }
2758
2759 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2760 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c
LP		 2761
2762 if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT))
2763 ret = 4; /* According to LSB: "program or service status is unknown" */
2764 else
2765 ret = -EIO;
ed2d7a44
LP		 2766 goto finish;
2767 }
2768 }
2769
598b557b
LP		 2770 } else if (show_properties) {
2771
2772 /* Interpret as job id */
48220598
LP		 2773
2774 if (!(m = dbus_message_new_method_call(
2775 "org.freedesktop.systemd1",
2776 "/org/freedesktop/systemd1",
2777 "org.freedesktop.systemd1.Manager",
2778 "GetJob"))) {
2779 log_error("Could not allocate message.");
22f4096c 2780 ret = -ENOMEM;
48220598
LP		 2781 goto finish;
2782 }
2783
2784 if (!dbus_message_append_args(m,
2785 DBUS_TYPE_UINT32, &id,
2786 DBUS_TYPE_INVALID)) {
2787 log_error("Could not append arguments to message.");
22f4096c 2788 ret = -ENOMEM;
48220598
LP		 2789 goto finish;
2790 }
48220598 2791
598b557b 2792 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2793 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2794 ret = -EIO;
598b557b
LP		 2795 goto finish;
2796 }
2797 } else {
2798
2799 /* Interpret as PID */
2800
2801 if (!(m = dbus_message_new_method_call(
2802 "org.freedesktop.systemd1",
2803 "/org/freedesktop/systemd1",
2804 "org.freedesktop.systemd1.Manager",
2805 "GetUnitByPID"))) {
2806 log_error("Could not allocate message.");
22f4096c 2807 ret = -ENOMEM;
598b557b
LP		 2808 goto finish;
2809 }
2810
2811 if (!dbus_message_append_args(m,
2812 DBUS_TYPE_UINT32, &id,
2813 DBUS_TYPE_INVALID)) {
2814 log_error("Could not append arguments to message.");
22f4096c 2815 ret = -ENOMEM;
598b557b
LP		 2816 goto finish;
2817 }
2818
ed2d7a44 2819 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2820 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2821 ret = -EIO;
ed2d7a44
LP		 2822 goto finish;
2823 }
48220598
LP		 2824 }
2825
2826 if (!dbus_message_get_args(reply, &error,
2827 DBUS_TYPE_OBJECT_PATH, &path,
2828 DBUS_TYPE_INVALID)) {
4cf5d675 2829 log_error("Failed to parse reply: %s", bus_error_message(&error));
22f4096c 2830 ret = -EIO;
48220598
LP		 2831 goto finish;
2832 }
2833
be8088a2 2834 if ((r = show_one(args[0], bus, path, show_properties, &new_line)) != 0)
22f4096c 2835 ret = r;
48220598
LP		 2836
2837 dbus_message_unref(m);
2838 dbus_message_unref(reply);
2839 m = reply = NULL;
2840 }
2841
48220598
LP		 2842finish:
2843 if (m)
2844 dbus_message_unref(m);
2845
2846 if (reply)
2847 dbus_message_unref(reply);
2848
2849 dbus_error_free(&error);
2850
22f4096c 2851 return ret;
0183528f
LP		 2852}
2853
729e3769 2854static int dump(DBusConnection *bus, char **args) {
7e4249b9
LP		 2855 DBusMessage *m = NULL, *reply = NULL;
2856 DBusError error;
2857 int r;
2858 const char *text;
2859
2860 dbus_error_init(&error);
2861
1968a360 2862 pager_open_if_enabled();
ec14911e 2863
7e4249b9
LP		 2864 if (!(m = dbus_message_new_method_call(
2865 "org.freedesktop.systemd1",
2866 "/org/freedesktop/systemd1",
2867 "org.freedesktop.systemd1.Manager",
2868 "Dump"))) {
2869 log_error("Could not allocate message.");
2870 return -ENOMEM;
2871 }
2872
2873 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2874 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 2875 r = -EIO;
2876 goto finish;
2877 }
2878
2879 if (!dbus_message_get_args(reply, &error,
2880 DBUS_TYPE_STRING, &text,
2881 DBUS_TYPE_INVALID)) {
4cf5d675 2882 log_error("Failed to parse reply: %s", bus_error_message(&error));
7e4249b9
LP		 2883 r = -EIO;
2884 goto finish;
2885 }
2886
2887 fputs(text, stdout);
2888
2889 r = 0;
2890
2891finish:
2892 if (m)
2893 dbus_message_unref(m);
2894
2895 if (reply)
2896 dbus_message_unref(reply);
2897
2898 dbus_error_free(&error);
2899
2900 return r;
2901}
2902
729e3769 2903static int snapshot(DBusConnection *bus, char **args) {
7e4249b9
LP		 2904 DBusMessage *m = NULL, *reply = NULL;
2905 DBusError error;
2906 int r;
2907 const char *name = "", *path, *id;
2908 dbus_bool_t cleanup = FALSE;
2909 DBusMessageIter iter, sub;
2910 const char
2911 *interface = "org.freedesktop.systemd1.Unit",
2912 *property = "Id";
2913
2914 dbus_error_init(&error);
2915
2916 if (!(m = dbus_message_new_method_call(
2917 "org.freedesktop.systemd1",
2918 "/org/freedesktop/systemd1",
2919 "org.freedesktop.systemd1.Manager",
2920 "CreateSnapshot"))) {
2921 log_error("Could not allocate message.");
2922 return -ENOMEM;
2923 }
2924
729e3769 2925 if (strv_length(args) > 1)
7e4249b9
LP		 2926 name = args[1];
2927
2928 if (!dbus_message_append_args(m,
2929 DBUS_TYPE_STRING, &name,
2930 DBUS_TYPE_BOOLEAN, &cleanup,
2931 DBUS_TYPE_INVALID)) {
2932 log_error("Could not append arguments to message.");
2933 r = -ENOMEM;
2934 goto finish;
2935 }
2936
2937 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2938 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 2939 r = -EIO;
2940 goto finish;
2941 }
2942
2943 if (!dbus_message_get_args(reply, &error,
2944 DBUS_TYPE_OBJECT_PATH, &path,
2945 DBUS_TYPE_INVALID)) {
4cf5d675 2946 log_error("Failed to parse reply: %s", bus_error_message(&error));
7e4249b9
LP		 2947 r = -EIO;
2948 goto finish;
2949 }
2950
2951 dbus_message_unref(m);
2952 if (!(m = dbus_message_new_method_call(
2953 "org.freedesktop.systemd1",
2954 path,
2955 "org.freedesktop.DBus.Properties",
2956 "Get"))) {
2957 log_error("Could not allocate message.");
2958 return -ENOMEM;
2959 }
2960
2961 if (!dbus_message_append_args(m,
2962 DBUS_TYPE_STRING, &interface,
2963 DBUS_TYPE_STRING, &property,
2964 DBUS_TYPE_INVALID)) {
2965 log_error("Could not append arguments to message.");
2966 r = -ENOMEM;
2967 goto finish;
2968 }
2969
2970 dbus_message_unref(reply);
2971 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2972 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 2973 r = -EIO;
2974 goto finish;
2975 }
2976
2977 if (!dbus_message_iter_init(reply, &iter) ||
2978 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
2979 log_error("Failed to parse reply.");
2980 r = -EIO;
2981 goto finish;
2982 }
2983
2984 dbus_message_iter_recurse(&iter, &sub);
2985
2986 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
2987 log_error("Failed to parse reply.");
2988 r = -EIO;
2989 goto finish;
2990 }
2991
2992 dbus_message_iter_get_basic(&sub, &id);
0183528f
LP		 2993
2994 if (!arg_quiet)
2995 puts(id);
7e4249b9
LP		 2996 r = 0;
2997
2998finish:
2999 if (m)
3000 dbus_message_unref(m);
3001
3002 if (reply)
3003 dbus_message_unref(reply);
3004
3005 dbus_error_free(&error);
3006
3007 return r;
3008}
3009
729e3769 3010static int delete_snapshot(DBusConnection *bus, char **args) {
6759e7a7
LP		 3011 DBusMessage *m = NULL, *reply = NULL;
3012 int r;
3013 DBusError error;
729e3769 3014 char **name;
6759e7a7
LP		 3015
3016 assert(bus);
3017 assert(args);
3018
3019 dbus_error_init(&error);
3020
729e3769 3021 STRV_FOREACH(name, args+1) {
6759e7a7
LP		 3022 const char *path = NULL;
3023
3024 if (!(m = dbus_message_new_method_call(
3025 "org.freedesktop.systemd1",
3026 "/org/freedesktop/systemd1",
3027 "org.freedesktop.systemd1.Manager",
3028 "GetUnit"))) {
3029 log_error("Could not allocate message.");
3030 r = -ENOMEM;
3031 goto finish;
3032 }
3033
3034 if (!dbus_message_append_args(m,
729e3769 3035 DBUS_TYPE_STRING, name,
6759e7a7
LP		 3036 DBUS_TYPE_INVALID)) {
3037 log_error("Could not append arguments to message.");
3038 r = -ENOMEM;
3039 goto finish;
3040 }
3041
3042 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3043 log_error("Failed to issue method call: %s", bus_error_message(&error));
6759e7a7
LP		 3044 r = -EIO;
3045 goto finish;
3046 }
3047
3048 if (!dbus_message_get_args(reply, &error,
3049 DBUS_TYPE_OBJECT_PATH, &path,
3050 DBUS_TYPE_INVALID)) {
4cf5d675 3051 log_error("Failed to parse reply: %s", bus_error_message(&error));
6759e7a7
LP		 3052 r = -EIO;
3053 goto finish;
3054 }
3055
3056 dbus_message_unref(m);
3057 if (!(m = dbus_message_new_method_call(
3058 "org.freedesktop.systemd1",
3059 path,
3060 "org.freedesktop.systemd1.Snapshot",
3061 "Remove"))) {
3062 log_error("Could not allocate message.");
3063 r = -ENOMEM;
3064 goto finish;
3065 }
3066
3067 dbus_message_unref(reply);
3068 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3069 log_error("Failed to issue method call: %s", bus_error_message(&error));
6759e7a7
LP		 3070 r = -EIO;
3071 goto finish;
3072 }
3073
3074 dbus_message_unref(m);
3075 dbus_message_unref(reply);
3076 m = reply = NULL;
3077 }
3078
3079 r = 0;
3080
3081finish:
3082 if (m)
3083 dbus_message_unref(m);
3084
3085 if (reply)
3086 dbus_message_unref(reply);
3087
3088 dbus_error_free(&error);
3089
3090 return r;
3091}
3092
729e3769 3093static int daemon_reload(DBusConnection *bus, char **args) {
7e4249b9
LP		 3094 DBusMessage *m = NULL, *reply = NULL;
3095 DBusError error;
3096 int r;
3097 const char *method;
3098
3099 dbus_error_init(&error);
3100
e4b61340
LP		 3101 if (arg_action == ACTION_RELOAD)
3102 method = "Reload";
3103 else if (arg_action == ACTION_REEXEC)
3104 method = "Reexecute";
3105 else {
3106 assert(arg_action == ACTION_SYSTEMCTL);
3107
3108 method =
20b09ca7
LP		 3109 streq(args[0], "clear-jobs") ||
3110 streq(args[0], "cancel") ? "ClearJobs" :
3111 streq(args[0], "daemon-reexec") ? "Reexecute" :
3112 streq(args[0], "reset-failed") ? "ResetFailed" :
3113 streq(args[0], "halt") ? "Halt" :
3114 streq(args[0], "poweroff") ? "PowerOff" :
3115 streq(args[0], "reboot") ? "Reboot" :
3116 streq(args[0], "kexec") ? "KExec" :
3117 streq(args[0], "exit") ? "Exit" :
3118 /* "daemon-reload" */ "Reload";
e4b61340 3119 }
7e4249b9
LP		 3120
3121 if (!(m = dbus_message_new_method_call(
3122 "org.freedesktop.systemd1",
3123 "/org/freedesktop/systemd1",
3124 "org.freedesktop.systemd1.Manager",
3125 method))) {
3126 log_error("Could not allocate message.");
3127 return -ENOMEM;
3128 }
3129
3130 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
e4b61340
LP		 3131
3132 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
3133 /* There's always a fallback possible for
3134 * legacy actions. */
aabd9b11 3135 r = -EADDRNOTAVAIL;
e4b61340
LP		 3136 goto finish;
3137 }
3138
b23de6af
LP		 3139 if (streq(method, "Reexecute") && dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY)) {
3140 /* On reexecution, we expect a disconnect, not
3141 * a reply */
3142 r = 0;
3143 goto finish;
3144 }
3145
4cf5d675 3146 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3147 r = -EIO;
3148 goto finish;
3149 }
3150
aabd9b11 3151 r = 0;
7e4249b9
LP		 3152
3153finish:
3154 if (m)
3155 dbus_message_unref(m);
3156
3157 if (reply)
3158 dbus_message_unref(reply);
3159
3160 dbus_error_free(&error);
3161
3162 return r;
3163}
3164
729e3769 3165static int reset_failed(DBusConnection *bus, char **args) {
5632e374 3166 DBusMessage *m = NULL, *reply = NULL;
5632e374
LP		 3167 int r;
3168 DBusError error;
729e3769 3169 char **name;
5632e374
LP		 3170
3171 assert(bus);
3172 dbus_error_init(&error);
3173
729e3769
LP		 3174 if (strv_length(args) <= 1)
3175 return daemon_reload(bus, args);
5632e374 3176
729e3769 3177 STRV_FOREACH(name, args+1) {
5632e374
LP		 3178
3179 if (!(m = dbus_message_new_method_call(
3180 "org.freedesktop.systemd1",
3181 "/org/freedesktop/systemd1",
3182 "org.freedesktop.systemd1.Manager",
fdf20a31 3183 "ResetFailedUnit"))) {
5632e374
LP		 3184 log_error("Could not allocate message.");
3185 r = -ENOMEM;
3186 goto finish;
3187 }
3188
3189 if (!dbus_message_append_args(m,
729e3769 3190 DBUS_TYPE_STRING, name,
5632e374
LP		 3191 DBUS_TYPE_INVALID)) {
3192 log_error("Could not append arguments to message.");
3193 r = -ENOMEM;
3194 goto finish;
3195 }
3196
3197 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3198 log_error("Failed to issue method call: %s", bus_error_message(&error));
5632e374
LP		 3199 r = -EIO;
3200 goto finish;
3201 }
3202
3203 dbus_message_unref(m);
3204 dbus_message_unref(reply);
3205 m = reply = NULL;
3206 }
3207
3208 r = 0;
3209
3210finish:
3211 if (m)
3212 dbus_message_unref(m);
3213
3214 if (reply)
3215 dbus_message_unref(reply);
3216
3217 dbus_error_free(&error);
3218
3219 return r;
3220}
3221
729e3769 3222static int show_enviroment(DBusConnection *bus, char **args) {
7e4249b9
LP		 3223 DBusMessage *m = NULL, *reply = NULL;
3224 DBusError error;
3225 DBusMessageIter iter, sub, sub2;
3226 int r;
3227 const char
3228 *interface = "org.freedesktop.systemd1.Manager",
3229 *property = "Environment";
3230
3231 dbus_error_init(&error);
3232
1968a360 3233 pager_open_if_enabled();
ec14911e 3234
7e4249b9
LP		 3235 if (!(m = dbus_message_new_method_call(
3236 "org.freedesktop.systemd1",
3237 "/org/freedesktop/systemd1",
3238 "org.freedesktop.DBus.Properties",
3239 "Get"))) {
3240 log_error("Could not allocate message.");
3241 return -ENOMEM;
3242 }
3243
3244 if (!dbus_message_append_args(m,
3245 DBUS_TYPE_STRING, &interface,
3246 DBUS_TYPE_STRING, &property,
3247 DBUS_TYPE_INVALID)) {
3248 log_error("Could not append arguments to message.");
3249 r = -ENOMEM;
3250 goto finish;
3251 }
3252
3253 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3254 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3255 r = -EIO;
3256 goto finish;
3257 }
3258
3259 if (!dbus_message_iter_init(reply, &iter) ||
3260 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3261 log_error("Failed to parse reply.");
3262 r = -EIO;
3263 goto finish;
3264 }
3265
3266 dbus_message_iter_recurse(&iter, &sub);
3267
3268 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
3269 dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
3270 log_error("Failed to parse reply.");
3271 r = -EIO;
3272 goto finish;
3273 }
3274
3275 dbus_message_iter_recurse(&sub, &sub2);
3276
3277 while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
3278 const char *text;
3279
3280 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
3281 log_error("Failed to parse reply.");
3282 r = -EIO;
3283 goto finish;
3284 }
3285
3286 dbus_message_iter_get_basic(&sub2, &text);
3287 printf("%s\n", text);
3288
3289 dbus_message_iter_next(&sub2);
3290 }
3291
3292 r = 0;
3293
3294finish:
3295 if (m)
3296 dbus_message_unref(m);
3297
3298 if (reply)
3299 dbus_message_unref(reply);
3300
3301 dbus_error_free(&error);
3302
3303 return r;
3304}
3305
729e3769 3306static int set_environment(DBusConnection *bus, char **args) {
7e4249b9
LP		 3307 DBusMessage *m = NULL, *reply = NULL;
3308 DBusError error;
3309 int r;
3310 const char *method;
3311 DBusMessageIter iter, sub;
729e3769 3312 char **name;
7e4249b9
LP		 3313
3314 dbus_error_init(&error);
3315
3316 method = streq(args[0], "set-environment")
3317 ? "SetEnvironment"
3318 : "UnsetEnvironment";
3319
3320 if (!(m = dbus_message_new_method_call(
3321 "org.freedesktop.systemd1",
3322 "/org/freedesktop/systemd1",
3323 "org.freedesktop.systemd1.Manager",
3324 method))) {
3325
3326 log_error("Could not allocate message.");
3327 return -ENOMEM;
3328 }
3329
3330 dbus_message_iter_init_append(m, &iter);
3331
3332 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
3333 log_error("Could not append arguments to message.");
3334 r = -ENOMEM;
3335 goto finish;
3336 }
3337
729e3769
LP		 3338 STRV_FOREACH(name, args+1)
3339 if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) {
7e4249b9
LP		 3340 log_error("Could not append arguments to message.");
3341 r = -ENOMEM;
3342 goto finish;
3343 }
3344
3345 if (!dbus_message_iter_close_container(&iter, &sub)) {
3346 log_error("Could not append arguments to message.");
3347 r = -ENOMEM;
3348 goto finish;
3349 }
3350
3351 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3352 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3353 r = -EIO;
3354 goto finish;
3355 }
3356
3357 r = 0;
3358
3359finish:
3360 if (m)
3361 dbus_message_unref(m);
3362
3363 if (reply)
3364 dbus_message_unref(reply);
3365
3366 dbus_error_free(&error);
3367
3368 return r;
3369}
3370
729e3769
LP		 3371static int enable_sysv_units(char **args) {
3372 int r = 0;
ee5762e3 3373
729e3769
LP		 3374#if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX))
3375 const char *verb = args[0];
3376 unsigned f = 1, t = 1;
3377 LookupPaths paths;
ee5762e3 3378
729e3769
LP		 3379 if (arg_scope != UNIT_FILE_SYSTEM)
3380 return 0;
ee5762e3 3381
729e3769
LP		 3382 if (!streq(verb, "enable") &&
3383 !streq(verb, "disable") &&
3384 !streq(verb, "is-enabled"))
3385 return 0;
ee5762e3 3386
729e3769
LP		 3387 /* Processes all SysV units, and reshuffles the array so that
3388 * afterwards only the native units remain */
ee5762e3 3389
729e3769
LP		 3390 zero(paths);
3391 r = lookup_paths_init(&paths, MANAGER_SYSTEM, false);
3392 if (r < 0)
3393 return r;
ee5762e3 3394
729e3769 3395 r = 0;
ee5762e3 3396
729e3769
LP		 3397 for (f = 1; args[f]; f++) {
3398 const char *name;
3399 char *p;
3400 bool found_native = false, found_sysv;
3401 unsigned c = 1;
3402 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
3403 char **k, *l, *q = NULL;
3404 int j;
3405 pid_t pid;
3406 siginfo_t status;
ee5762e3 3407
729e3769 3408 name = args[f];
ee5762e3 3409
729e3769
LP		 3410 if (!endswith(name, ".service"))
3411 continue;
ee5762e3 3412
729e3769
LP		 3413 if (path_is_absolute(name))
3414 continue;
ee5762e3 3415
729e3769
LP		 3416 STRV_FOREACH(k, paths.unit_path) {
3417 p = NULL;
ee5762e3 3418
729e3769
LP		 3419 if (!isempty(arg_root))
3420 asprintf(&p, "%s/%s/%s", arg_root, *k, name);
3421 else
3422 asprintf(&p, "%s/%s", *k, name);
ee5762e3 3423
729e3769
LP		 3424 if (!p) {
3425 log_error("No memory");
3426 r = -ENOMEM;
3427 goto finish;
3428 }
ee5762e3 3429
729e3769
LP		 3430 found_native = access(p, F_OK) >= 0;
3431 free(p);
ee5762e3 3432
729e3769
LP		 3433 if (found_native)
3434 break;
3435 }
ee5762e3 3436
729e3769
LP		 3437 if (found_native)
3438 continue;
ee5762e3 3439
729e3769
LP		 3440 p = NULL;
3441 if (!isempty(arg_root))
3442 asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name);
3443 else
3444 asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name);
3445 if (!p) {
3446 log_error("No memory");
3447 r = -ENOMEM;
3448 goto finish;
3449 }
ee5762e3 3450
729e3769
LP		 3451 p[strlen(p) - sizeof(".service") + 1] = 0;
3452 found_sysv = access(p, F_OK) >= 0;
ee5762e3 3453
729e3769
LP		 3454 if (!found_sysv) {
3455 free(p);
3456 continue;
71fad675
LP		 3457 }
3458
729e3769
LP		 3459 /* Mark this entry, so that we don't try enabling it as native unit */
3460 args[f] = (char*) "";
ee5762e3 3461
729e3769 3462 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
ee5762e3 3463
729e3769
LP		 3464 if (!isempty(arg_root))
3465 argv[c++] = q = strappend("--root=", arg_root);
ee5762e3 3466
729e3769
LP		 3467 argv[c++] = file_name_from_path(p);
3468 argv[c++] =
3469 streq(verb, "enable") ? "on" :
3470 streq(verb, "disable") ? "off" : "--level=5";
3471 argv[c] = NULL;
ee5762e3 3472
729e3769
LP		 3473 l = strv_join((char**)argv, " ");
3474 if (!l) {
3475 log_error("No memory.");
3476 free(q);
3477 free(p);
3478 r = -ENOMEM;
3479 goto finish;
3480 }
ee5762e3 3481
729e3769
LP		 3482 log_info("Executing %s", l);
3483 free(l);
ee5762e3 3484
729e3769
LP		 3485 pid = fork();
3486 if (pid < 0) {
3487 log_error("Failed to fork: %m");
3488 free(p);
3489 free(q);
3490 r = -errno;
3491 goto finish;
3492 } else if (pid == 0) {
3493 /* Child */
ee5762e3 3494
729e3769
LP		 3495 execv(argv[0], (char**) argv);
3496 _exit(EXIT_FAILURE);
3497 }
ee5762e3 3498
729e3769
LP		 3499 free(p);
3500 free(q);
ee5762e3 3501
729e3769
LP		 3502 j = wait_for_terminate(pid, &status);
3503 if (j < 0) {
3504 log_error("Failed to wait for child: %s", strerror(-r));
3505 r = j;
3506 goto finish;
3507 }
ee5762e3 3508
729e3769
LP		 3509 if (status.si_code == CLD_EXITED) {
3510 if (streq(verb, "is-enabled")) {
3511 if (status.si_status == 0) {
3512 if (!arg_quiet)
3513 puts("enabled");
3514 r = 1;
3515 } else {
3516 if (!arg_quiet)
3517 puts("disabled");
3518 }
ee5762e3 3519
729e3769
LP		 3520 } else if (status.si_status != 0) {
3521 r = -EINVAL;
3522 goto finish;
3523 }
3524 } else {
3525 r = -EPROTO;
3526 goto finish;
3527 }
ee5762e3
LP		 3528 }
3529
729e3769
LP		 3530finish:
3531 lookup_paths_free(&paths);
ee5762e3 3532
729e3769
LP		 3533 /* Drop all SysV units */
3534 for (f = 1, t = 1; args[f]; f++) {
ee5762e3 3535
729e3769 3536 if (isempty(args[f]))
ee5762e3
LP		 3537 continue;
3538
729e3769
LP		 3539 args[t++] = args[f];
3540 }
ee5762e3 3541
729e3769 3542 args[t] = NULL;
ee5762e3 3543
729e3769
LP		 3544#endif
3545 return r;
3546}
ee5762e3 3547
729e3769
LP		 3548static int enable_unit(DBusConnection *bus, char **args) {
3549 const char *verb = args[0];
3550 UnitFileChange *changes = NULL;
3551 unsigned n_changes = 0, i;
3552 int carries_install_info = -1;
3553 DBusMessage *m = NULL, *reply = NULL;
3554 int r;
3555 DBusError error;
ee5762e3 3556
729e3769 3557 dbus_error_init(&error);
ee5762e3 3558
729e3769
LP		 3559 r = enable_sysv_units(args);
3560 if (r < 0)
3561 return r;
ee5762e3 3562
729e3769
LP		 3563 if (!bus || avoid_bus()) {
3564 if (streq(verb, "enable")) {
3565 r = unit_file_enable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3566 carries_install_info = r;
3567 } else if (streq(verb, "disable"))
3568 r = unit_file_disable(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3569 else if (streq(verb, "reenable")) {
3570 r = unit_file_reenable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3571 carries_install_info = r;
3572 } else if (streq(verb, "link"))
3573 r = unit_file_link(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3574 else if (streq(verb, "preset")) {
3575 r = unit_file_preset(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3576 carries_install_info = r;
3577 } else if (streq(verb, "mask"))
3578 r = unit_file_mask(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3579 else if (streq(verb, "unmask"))
3580 r = unit_file_unmask(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3581 else
3582 assert_not_reached("Unknown verb");
ee5762e3 3583
729e3769
LP		 3584 if (r < 0) {
3585 log_error("Operation failed: %s", strerror(-r));
3586 goto finish;
ee5762e3
LP		 3587 }
3588
729e3769
LP		 3589 for (i = 0; i < n_changes; i++) {
3590 if (changes[i].type == UNIT_FILE_SYMLINK)
3591 log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path);
3592 else
3593 log_info("rm '%s'", changes[i].path);
ee5762e3
LP		 3594 }
3595
729e3769
LP		 3596 } else {
3597 const char *method;
3598 bool send_force = true, expect_carries_install_info = false;
3599 dbus_bool_t a, b;
3600 DBusMessageIter iter, sub, sub2;
3601
3602 if (streq(verb, "enable")) {
3603 method = "EnableUnitFiles";
3604 expect_carries_install_info = true;
3605 } else if (streq(verb, "disable")) {
3606 method = "DisableUnitFiles";
3607 send_force = false;
3608 } else if (streq(verb, "reenable")) {
3609 method = "ReenableUnitFiles";
3610 expect_carries_install_info = true;
3611 } else if (streq(verb, "link"))
3612 method = "LinkUnitFiles";
3613 else if (streq(verb, "preset")) {
3614 method = "PresetUnitFiles";
3615 expect_carries_install_info = true;
3616 } else if (streq(verb, "mask"))
3617 method = "MaskUnitFiles";
3618 else if (streq(verb, "unmask")) {
3619 method = "UnmaskUnitFiles";
3620 send_force = false;
3621 } else
3622 assert_not_reached("Unknown verb");
3623
3624 m = dbus_message_new_method_call(
3625 "org.freedesktop.systemd1",
3626 "/org/freedesktop/systemd1",
3627 "org.freedesktop.systemd1.Manager",
3628 method);
3629 if (!m) {
ee5762e3
LP		 3630 log_error("Out of memory");
3631 r = -ENOMEM;
3632 goto finish;
3633 }
3634
729e3769 3635 dbus_message_iter_init_append(m, &iter);
ee5762e3 3636
729e3769
LP		 3637 r = bus_append_strv_iter(&iter, args+1);
3638 if (r < 0) {
3639 log_error("Failed to append unit files.");
ee5762e3
LP		 3640 goto finish;
3641 }
3642
729e3769
LP		 3643 a = arg_runtime;
3644 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &a)) {
3645 log_error("Failed to append runtime boolean.");
ee5762e3
LP		 3646 r = -ENOMEM;
3647 goto finish;
3648 }
3649
729e3769
LP		 3650 if (send_force) {
3651 b = arg_force;
be394c48 3652
729e3769
LP		 3653 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) {
3654 log_error("Failed to append force boolean.");
3655 r = -ENOMEM;
3656 goto finish;
3657 }
09adcdf7 3658 }
ee5762e3 3659
729e3769
LP		 3660 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3661 if (!reply) {
3662 log_error("Failed to issue method call: %s", bus_error_message(&error));
3663 r = -EIO;
3664 goto finish;
ee5762e3
LP		 3665 }
3666
729e3769
LP		 3667 if (!dbus_message_iter_init(reply, &iter)) {
3668 log_error("Failed to initialize iterator.");
3669 goto finish;
3670 }
be394c48 3671
729e3769
LP		 3672 if (expect_carries_install_info) {
3673 r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &b, true);
3674 if (r < 0) {
3675 log_error("Failed to parse reply.");
3676 goto finish;
3677 }
ee5762e3 3678
729e3769 3679 carries_install_info = b;
ee5762e3
LP		 3680 }
3681
729e3769
LP		 3682 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
3683 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
3684 log_error("Failed to parse reply.");
3685 r = -EIO;
3686 goto finish;
ee5762e3
LP		 3687 }
3688
729e3769
LP		 3689 dbus_message_iter_recurse(&iter, &sub);
3690 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
3691 const char *type, *path, *source;
c8b2e52c 3692
729e3769
LP		 3693 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
3694 log_error("Failed to parse reply.");
3695 r = -EIO;
3696 goto finish;
c8b2e52c
LP		 3697 }
3698
729e3769 3699 dbus_message_iter_recurse(&sub, &sub2);
c8b2e52c 3700
729e3769
LP		 3701 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
3702 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0 ||
3703 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &source, false) < 0) {
3704 log_error("Failed to parse reply.");
3705 r = -EIO;
3706 goto finish;
c8b2e52c
LP		 3707 }
3708
729e3769
LP		 3709 if (streq(type, "symlink"))
3710 log_info("ln -s '%s' '%s'", source, path);
3711 else
3712 log_info("rm '%s'", path);
b77398f7 3713
729e3769
LP		 3714 dbus_message_iter_next(&sub);
3715 }
b77398f7 3716
729e3769
LP		 3717 /* Try to reload if enabeld */
3718 if (!arg_no_reload)
3719 r = daemon_reload(bus, args);
b647f10d 3720 }
3d3961f2 3721
729e3769
LP		 3722 if (carries_install_info == 0)
3723 log_warning("Warning: unit files do not carry install information. No operation executed.");
ee5762e3 3724
729e3769
LP		 3725finish:
3726 if (m)
3727 dbus_message_unref(m);
ee5762e3 3728
729e3769
LP		 3729 if (reply)
3730 dbus_message_unref(reply);
ee5762e3 3731
729e3769 3732 unit_file_changes_free(changes, n_changes);
ee5762e3 3733
729e3769
LP		 3734 dbus_error_free(&error);
3735 return r;
ee5762e3
LP		 3736}
3737
729e3769 3738static int unit_is_enabled(DBusConnection *bus, char **args) {
ee5762e3
LP		 3739 DBusError error;
3740 int r;
729e3769
LP		 3741 DBusMessage *m = NULL, *reply = NULL;
3742 bool enabled;
3743 char **name;
ee5762e3
LP		 3744
3745 dbus_error_init(&error);
3746
729e3769
LP		 3747 r = enable_sysv_units(args);
3748 if (r < 0)
3749 return r;
ee5762e3 3750
729e3769 3751 enabled = r > 0;
ee5762e3 3752
729e3769 3753 if (!bus || avoid_bus()) {
ee5762e3 3754
729e3769
LP		 3755 STRV_FOREACH(name, args+1) {
3756 UnitFileState state;
ee5762e3 3757
729e3769
LP		 3758 state = unit_file_get_state(arg_scope, arg_root, *name);
3759 if (state < 0) {
3760 r = state;
3761 goto finish;
3762 }
ee5762e3 3763
729e3769
LP		 3764 if (state == UNIT_FILE_ENABLED ||
3765 state == UNIT_FILE_ENABLED_RUNTIME ||
3766 state == UNIT_FILE_STATIC)
3767 enabled = true;
3768
3769 if (!arg_quiet)
3770 puts(unit_file_state_to_string(state));
71fad675 3771 }
ee5762e3 3772
729e3769
LP		 3773 } else {
3774 STRV_FOREACH(name, args+1) {
3775 const char *s;
63a723f3 3776
729e3769
LP		 3777 m = dbus_message_new_method_call(
3778 "org.freedesktop.systemd1",
3779 "/org/freedesktop/systemd1",
3780 "org.freedesktop.systemd1.Manager",
3781 "GetUnitFileState");
3782 if (!m) {
3783 log_error("Out of memory");
3784 r = -ENOMEM;
3785 goto finish;
3786 }
ee5762e3 3787
729e3769
LP		 3788 if (!dbus_message_append_args(m,
3789 DBUS_TYPE_STRING, name,
3790 DBUS_TYPE_INVALID)) {
3791 log_error("Could not append arguments to message.");
3792 r = -ENOMEM;
3793 goto finish;
3794 }
ee5762e3 3795
729e3769
LP		 3796 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3797 if (!reply) {
3798 log_error("Failed to issue method call: %s", bus_error_message(&error));
3799 r = -EIO;
3800 goto finish;
3801 }
ee5762e3 3802
729e3769
LP		 3803 if (!dbus_message_get_args(reply, &error,
3804 DBUS_TYPE_STRING, &s,
3805 DBUS_TYPE_INVALID)) {
3806 log_error("Failed to parse reply: %s", bus_error_message(&error));
3807 r = -EIO;
ee5762e3
LP		 3808 goto finish;
3809 }
3810
729e3769
LP		 3811 dbus_message_unref(m);
3812 dbus_message_unref(reply);
3813 m = reply = NULL;
ee5762e3 3814
729e3769
LP		 3815 if (streq(s, "enabled") ||
3816 streq(s, "enabled-runtime") ||
3817 streq(s, "static"))
3818 enabled = true;
3819
3820 if (!arg_quiet)
3821 puts(s);
560d8f23 3822 }
ee5762e3
LP		 3823 }
3824
729e3769 3825 r = enabled ? 0 : 1;
ee5762e3 3826
729e3769
LP		 3827finish:
3828 if (m)
3829 dbus_message_unref(m);
ee5762e3 3830
729e3769
LP		 3831 if (reply)
3832 dbus_message_unref(reply);
ee5762e3 3833
729e3769 3834 dbus_error_free(&error);
ee5762e3
LP		 3835 return r;
3836}
3837
e4b61340 3838static int systemctl_help(void) {
7e4249b9 3839
729e3769
LP		 3840 pager_open_if_enabled();
3841
2e33c433 3842 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
729e3769 3843 "Query or send control commands to the systemd manager.\n\n"
8a0867d6
LP		 3844 " -h --help Show this help\n"
3845 " --version Show package version\n"
3846 " -t --type=TYPE List only units of a particular type\n"
3847 " -p --property=NAME Show only properties by this name\n"
3848 " -a --all Show all units/properties, including dead/empty ones\n"
30732560 3849 " --failed Show only failed units\n"
8a0867d6
LP		 3850 " --full Don't ellipsize unit names on output\n"
3851 " --fail When queueing a new job, fail if conflicting jobs are\n"
3852 " pending\n"
e67c3609
LP		 3853 " --ignore-dependencies\n"
3854 " When queueing a new job, ignore all its dependencies\n"
a8f11321
LP		 3855 " --kill-who=WHO Who to send signal to\n"
3856 " -s --signal=SIGNAL Which signal to send\n"
aca4c786 3857 " -H --host=[USER@]HOST\n"
a8f11321
LP		 3858 " Show information for remote host\n"
3859 " -P --privileged Acquire privileges before execution\n"
8a0867d6
LP		 3860 " -q --quiet Suppress output\n"
3861 " --no-block Do not wait until operation finished\n"
8a0867d6 3862 " --no-wall Don't send wall message before halt/power-off/reboot\n"
8a0867d6
LP		 3863 " --no-reload When enabling/disabling unit files, don't reload daemon\n"
3864 " configuration\n"
69fc152f 3865 " --no-pager Do not pipe output into a pager\n"
501fc174
LP		 3866 " --no-ask-password\n"
3867 " Do not ask for system passwords\n"
a8f11321
LP		 3868 " --order When generating graph for dot, show only order\n"
3869 " --require When generating graph for dot, show only requirement\n"
3870 " --system Connect to system manager\n"
3871 " --user Connect to user service manager\n"
3872 " --global Enable/disable unit files globally\n"
8a0867d6
LP		 3873 " -f --force When enabling unit files, override existing symlinks\n"
3874 " When shutting down, execute action immediately\n"
729e3769
LP		 3875 " --root=PATH Enable unit files in the specified root directory\n"
3876 " --runtime Enable unit files only temporarily until next reboot\n\n"
34c4b47b 3877 "Unit Commands:\n"
729e3769 3878 " list-units List loaded units\n"
ee5762e3
LP		 3879 " start [NAME...] Start (activate) one or more units\n"
3880 " stop [NAME...] Stop (deactivate) one or more units\n"
7e4249b9 3881 " reload [NAME...] Reload one or more units\n"
6f28c033
LP		 3882 " restart [NAME...] Start or restart one or more units\n"
3883 " try-restart [NAME...] Restart one or more units if active\n"
3884 " reload-or-restart [NAME...] Reload one or more units is possible,\n"
3885 " otherwise start or restart\n"
3886 " reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
3887 " otherwise restart if active\n"
7e4249b9 3888 " isolate [NAME] Start one unit and stop all others\n"
8a0867d6 3889 " kill [NAME...] Send signal to processes of a unit\n"
ee5762e3 3890 " is-active [NAME...] Check whether units are active\n"
75676b72 3891 " status [NAME...|PID...] Show runtime status of one or more units\n"
6f28c033 3892 " show [NAME...|JOB...] Show properties of one or more\n"
ee5762e3 3893 " units/jobs or the manager\n"
fdf20a31
MM		 3894 " reset-failed [NAME...] Reset failed state for all, one, or more\n"
3895 " units\n"
34c4b47b
LP		 3896 " load [NAME...] Load one or more units\n\n"
3897 "Unit File Commands:\n"
729e3769 3898 " list-unit-files List installed unit files\n"
ee5762e3
LP		 3899 " enable [NAME...] Enable one or more unit files\n"
3900 " disable [NAME...] Disable one or more unit files\n"
729e3769
LP		 3901 " reenable [NAME...] Reenable one or more unit files\n"
3902 " preset [NAME...] Enable/disable one or more unit files\n"
3903 " based on preset configuration\n"
3904 " mask [NAME...] Mask one or more units\n"
3905 " unmask [NAME...] Unmask one or more units\n"
3906 " link [PATH...] Link one or more units files into\n"
3907 " the search path\n"
34c4b47b
LP		 3908 " is-enabled [NAME...] Check whether unit files are enabled\n\n"
3909 "Job Commands:\n"
48220598 3910 " list-jobs List jobs\n"
34c4b47b
LP		 3911 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
3912 "Status Commands:\n"
7e4249b9 3913 " dump Dump server status\n"
34c4b47b
LP		 3914 " dot Dump dependency graph for dot(1)\n\n"
3915 "Snapshot Commands:\n"
7e4249b9 3916 " snapshot [NAME] Create a snapshot\n"
34c4b47b
LP		 3917 " delete [NAME...] Remove one or more snapshots\n\n"
3918 "Environment Commands:\n"
7e4249b9
LP		 3919 " show-environment Dump environment\n"
3920 " set-environment [NAME=VALUE...] Set one or more environment variables\n"
34c4b47b
LP		 3921 " unset-environment [NAME...] Unset one or more environment variables\n\n"
3922 "Manager Lifecycle Commands:\n"
3923 " daemon-reload Reload systemd manager configuration\n"
3924 " daemon-reexec Reexecute systemd manager\n\n"
3925 "System Commands:\n"
20b09ca7
LP		 3926 " default Enter system default mode\n"
3927 " rescue Enter system rescue mode\n"
3928 " emergency Enter system emergency mode\n"
514f4ef5 3929 " halt Shut down and halt the system\n"
2e33c433 3930 " poweroff Shut down and power-off the system\n"
514f4ef5 3931 " reboot Shut down and reboot the system\n"
20b09ca7 3932 " kexec Shut down and reboot the system with kexec\n"
af2d49f7 3933 " exit Ask for user instance termination\n",
5b6319dc 3934 program_invocation_short_name);
7e4249b9
LP		 3935
3936 return 0;
3937}
3938
e4b61340
LP		 3939static int halt_help(void) {
3940
2e33c433 3941 printf("%s [OPTIONS...]\n\n"
e4b61340
LP		 3942 "%s the system.\n\n"
3943 " --help Show this help\n"
3944 " --halt Halt the machine\n"
3945 " -p --poweroff Switch off the machine\n"
3946 " --reboot Reboot the machine\n"
2e33c433
LP		 3947 " -f --force Force immediate halt/power-off/reboot\n"
3948 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
e4b61340 3949 " -d --no-wtmp Don't write wtmp record\n"
2e33c433
LP		 3950 " -n --no-sync Don't sync before halt/power-off/reboot\n"
3951 " --no-wall Don't send wall message before halt/power-off/reboot\n",
e4b61340
LP		 3952 program_invocation_short_name,
3953 arg_action == ACTION_REBOOT ? "Reboot" :
3954 arg_action == ACTION_POWEROFF ? "Power off" :
3955 "Halt");
3956
3957 return 0;
3958}
3959
3960static int shutdown_help(void) {
3961
08e4b1c5 3962 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
e4b61340
LP		 3963 "Shut down the system.\n\n"
3964 " --help Show this help\n"
3965 " -H --halt Halt the machine\n"
3966 " -P --poweroff Power-off the machine\n"
3967 " -r --reboot Reboot the machine\n"
3968 " -h Equivalent to --poweroff, overriden by --halt\n"
2e33c433 3969 " -k Don't halt/power-off/reboot, just send warnings\n"
f6144808 3970 " --no-wall Don't send wall message before halt/power-off/reboot\n"
f6144808 3971 " -c Cancel a pending shutdown\n",
e4b61340
LP		 3972 program_invocation_short_name);
3973
3974 return 0;
3975}
3976
3977static int telinit_help(void) {
3978
2e33c433 3979 printf("%s [OPTIONS...] {COMMAND}\n\n"
514f4ef5
LP		 3980 "Send control commands to the init daemon.\n\n"
3981 " --help Show this help\n"
2e33c433 3982 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
e4b61340
LP		 3983 "Commands:\n"
3984 " 0 Power-off the machine\n"
3985 " 6 Reboot the machine\n"
514f4ef5
LP		 3986 " 2, 3, 4, 5 Start runlevelX.target unit\n"
3987 " 1, s, S Enter rescue mode\n"
3988 " q, Q Reload init daemon configuration\n"
3989 " u, U Reexecute init daemon\n",
e4b61340
LP		 3990 program_invocation_short_name);
3991
3992 return 0;
3993}
3994
3995static int runlevel_help(void) {
3996
2e33c433 3997 printf("%s [OPTIONS...]\n\n"
e4b61340
LP		 3998 "Prints the previous and current runlevel of the init system.\n\n"
3999 " --help Show this help\n",
4000 program_invocation_short_name);
4001
4002 return 0;
4003}
4004
4005static int systemctl_parse_argv(int argc, char *argv[]) {
7e4249b9
LP		 4006
4007 enum {
90d473a1 4008 ARG_FAIL = 0x100,
e67c3609 4009 ARG_IGNORE_DEPENDENCIES,
35df8f27 4010 ARG_VERSION,
af2d49f7 4011 ARG_USER,
7e4249b9 4012 ARG_SYSTEM,
ee5762e3 4013 ARG_GLOBAL,
6e905d93 4014 ARG_NO_BLOCK,
611efaac 4015 ARG_NO_PAGER,
4445a875
LP		 4016 ARG_NO_WALL,
4017 ARG_ORDER,
8fe914ec 4018 ARG_REQUIRE,
be394c48 4019 ARG_ROOT,
ee5762e3 4020 ARG_FULL,
ee5762e3 4021 ARG_NO_RELOAD,
8a0867d6 4022 ARG_KILL_MODE,
501fc174 4023 ARG_KILL_WHO,
30732560 4024 ARG_NO_ASK_PASSWORD,
729e3769
LP		 4025 ARG_FAILED,
4026 ARG_RUNTIME
7e4249b9
LP		 4027 };
4028
4029 static const struct option options[] = {
ee5762e3 4030 { "help", no_argument, NULL, 'h' },
35df8f27 4031 { "version", no_argument, NULL, ARG_VERSION },
ee5762e3
LP		 4032 { "type", required_argument, NULL, 't' },
4033 { "property", required_argument, NULL, 'p' },
4034 { "all", no_argument, NULL, 'a' },
30732560 4035 { "failed", no_argument, NULL, ARG_FAILED },
ee5762e3
LP		 4036 { "full", no_argument, NULL, ARG_FULL },
4037 { "fail", no_argument, NULL, ARG_FAIL },
e67c3609 4038 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES },
af2d49f7 4039 { "user", no_argument, NULL, ARG_USER },
ee5762e3
LP		 4040 { "system", no_argument, NULL, ARG_SYSTEM },
4041 { "global", no_argument, NULL, ARG_GLOBAL },
4042 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
0736af98 4043 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
ee5762e3
LP		 4044 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4045 { "quiet", no_argument, NULL, 'q' },
4046 { "order", no_argument, NULL, ARG_ORDER },
4047 { "require", no_argument, NULL, ARG_REQUIRE },
be394c48 4048 { "root", required_argument, NULL, ARG_ROOT },
b4f27ccc 4049 { "force", no_argument, NULL, 'f' },
ee5762e3 4050 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
69fc152f 4051 { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, /* undocumented on purpose */
8a0867d6
LP		 4052 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
4053 { "signal", required_argument, NULL, 's' },
501fc174 4054 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
a8f11321
LP		 4055 { "host", required_argument, NULL, 'H' },
4056 { "privileged",no_argument, NULL, 'P' },
729e3769 4057 { "runtime", no_argument, NULL, ARG_RUNTIME },
ee5762e3 4058 { NULL, 0, NULL, 0 }
7e4249b9
LP		 4059 };
4060
4061 int c;
4062
e4b61340 4063 assert(argc >= 0);
7e4249b9
LP		 4064 assert(argv);
4065
501fc174
LP		 4066 /* Only when running as systemctl we ask for passwords */
4067 arg_ask_password = true;
4068
a8f11321 4069 while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:P", options, NULL)) >= 0) {
7e4249b9
LP		 4070
4071 switch (c) {
4072
4073 case 'h':
e4b61340 4074 systemctl_help();
7e4249b9 4075 return 0;
35df8f27
LP		 4076
4077 case ARG_VERSION:
4078 puts(PACKAGE_STRING);
7d568925
LP		 4079 puts(DISTRIBUTION);
4080 puts(SYSTEMD_FEATURES);
35df8f27 4081 return 0;
7e4249b9
LP		 4082
4083 case 't':
4084 arg_type = optarg;
4085 break;
4086
ea4a240d
LP		 4087 case 'p': {
4088 char **l;
4089
4090 if (!(l = strv_append(arg_property, optarg)))
4091 return -ENOMEM;
4092
4093 strv_free(arg_property);
4094 arg_property = l;
48220598
LP		 4095
4096 /* If the user asked for a particular
4097 * property, show it to him, even if it is
4098 * empty. */
4099 arg_all = true;
4100 break;
ea4a240d 4101 }
48220598 4102
7e4249b9
LP		 4103 case 'a':
4104 arg_all = true;
4105 break;
4106
90d473a1 4107 case ARG_FAIL:
e67c3609
LP		 4108 arg_job_mode = "fail";
4109 break;
4110
4111 case ARG_IGNORE_DEPENDENCIES:
4112 arg_job_mode = "ignore-dependencies";
7e4249b9
LP		 4113 break;
4114
af2d49f7 4115 case ARG_USER:
729e3769 4116 arg_scope = UNIT_FILE_USER;
7e4249b9
LP		 4117 break;
4118
4119 case ARG_SYSTEM:
729e3769
LP		 4120 arg_scope = UNIT_FILE_SYSTEM;
4121 break;
4122
4123 case ARG_GLOBAL:
4124 arg_scope = UNIT_FILE_GLOBAL;
7e4249b9
LP		 4125 break;
4126
6e905d93
LP		 4127 case ARG_NO_BLOCK:
4128 arg_no_block = true;
7e4249b9
LP		 4129 break;
4130
611efaac
LP		 4131 case ARG_NO_PAGER:
4132 arg_no_pager = true;
4133 break;
0736af98 4134
514f4ef5
LP		 4135 case ARG_NO_WALL:
4136 arg_no_wall = true;
4137 break;
4138
4445a875
LP		 4139 case ARG_ORDER:
4140 arg_dot = DOT_ORDER;
4141 break;
4142
4143 case ARG_REQUIRE:
4144 arg_dot = DOT_REQUIRE;
4145 break;
4146
be394c48
FC		 4147 case ARG_ROOT:
4148 arg_root = optarg;
4149 break;
4150
8fe914ec
LP		 4151 case ARG_FULL:
4152 arg_full = true;
4153 break;
4154
30732560
LP		 4155 case ARG_FAILED:
4156 arg_failed = true;
4157 break;
4158
0183528f
LP		 4159 case 'q':
4160 arg_quiet = true;
4161 break;
4162
b4f27ccc 4163 case 'f':
ee5762e3
LP		 4164 arg_force = true;
4165 break;
4166
4167 case ARG_NO_RELOAD:
4168 arg_no_reload = true;
4169 break;
4170
8a0867d6
LP		 4171 case ARG_KILL_WHO:
4172 arg_kill_who = optarg;
4173 break;
4174
4175 case ARG_KILL_MODE:
4176 arg_kill_mode = optarg;
4177 break;
4178
4179 case 's':
4180 if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
4181 log_error("Failed to parse signal string %s.", optarg);
4182 return -EINVAL;
4183 }
4184 break;
4185
501fc174
LP		 4186 case ARG_NO_ASK_PASSWORD:
4187 arg_ask_password = false;
4188 break;
4189
a8f11321
LP		 4190 case 'P':
4191 arg_transport = TRANSPORT_POLKIT;
4192 break;
4193
4194 case 'H':
4195 arg_transport = TRANSPORT_SSH;
4196 arg_host = optarg;
4197 break;
4198
729e3769
LP		 4199 case ARG_RUNTIME:
4200 arg_runtime = true;
4201 break;
4202
7e4249b9
LP		 4203 case '?':
4204 return -EINVAL;
4205
4206 default:
4207 log_error("Unknown option code %c", c);
4208 return -EINVAL;
4209 }
4210 }
4211
729e3769 4212 if (arg_transport != TRANSPORT_NORMAL && arg_scope != UNIT_FILE_SYSTEM) {
a8f11321
LP		 4213 log_error("Cannot access user instance remotely.");
4214 return -EINVAL;
4215 }
4216
7e4249b9
LP		 4217 return 1;
4218}
4219
e4b61340
LP		 4220static int halt_parse_argv(int argc, char *argv[]) {
4221
4222 enum {
4223 ARG_HELP = 0x100,
4224 ARG_HALT,
514f4ef5
LP		 4225 ARG_REBOOT,
4226 ARG_NO_WALL
e4b61340
LP		 4227 };
4228
4229 static const struct option options[] = {
4230 { "help", no_argument, NULL, ARG_HELP },
4231 { "halt", no_argument, NULL, ARG_HALT },
4232 { "poweroff", no_argument, NULL, 'p' },
4233 { "reboot", no_argument, NULL, ARG_REBOOT },
4234 { "force", no_argument, NULL, 'f' },
4235 { "wtmp-only", no_argument, NULL, 'w' },
4236 { "no-wtmp", no_argument, NULL, 'd' },
4237 { "no-sync", no_argument, NULL, 'n' },
514f4ef5 4238 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4239 { NULL, 0, NULL, 0 }
4240 };
4241
4242 int c, runlevel;
4243
4244 assert(argc >= 0);
4245 assert(argv);
4246
4247 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
4248 if (runlevel == '0' || runlevel == '6')
4249 arg_immediate = true;
4250
4251 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) {
4252 switch (c) {
4253
4254 case ARG_HELP:
4255 halt_help();
4256 return 0;
4257
4258 case ARG_HALT:
4259 arg_action = ACTION_HALT;
4260 break;
4261
4262 case 'p':
a042efad
MS		 4263 if (arg_action != ACTION_REBOOT)
4264 arg_action = ACTION_POWEROFF;
e4b61340
LP		 4265 break;
4266
4267 case ARG_REBOOT:
4268 arg_action = ACTION_REBOOT;
4269 break;
4270
4271 case 'f':
4272 arg_immediate = true;
4273 break;
4274
4275 case 'w':
4276 arg_dry = true;
4277 break;
4278
4279 case 'd':
4280 arg_no_wtmp = true;
4281 break;
4282
4283 case 'n':
4284 arg_no_sync = true;
4285 break;
4286
514f4ef5
LP		 4287 case ARG_NO_WALL:
4288 arg_no_wall = true;
4289 break;
4290
e4b61340
LP		 4291 case 'i':
4292 case 'h':
4293 /* Compatibility nops */
4294 break;
4295
4296 case '?':
4297 return -EINVAL;
4298
4299 default:
4300 log_error("Unknown option code %c", c);
4301 return -EINVAL;
4302 }
4303 }
4304
4305 if (optind < argc) {
4306 log_error("Too many arguments.");
4307 return -EINVAL;
4308 }
4309
4310 return 1;
4311}
4312
f6144808
LP		 4313static int parse_time_spec(const char *t, usec_t *_u) {
4314 assert(t);
4315 assert(_u);
4316
4317 if (streq(t, "now"))
4318 *_u = 0;
1a639877 4319 else if (!strchr(t, ':')) {
f6144808
LP		 4320 uint64_t u;
4321
1a639877 4322 if (safe_atou64(t, &u) < 0)
f6144808
LP		 4323 return -EINVAL;
4324
4325 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
4326 } else {
4327 char *e = NULL;
4328 long hour, minute;
4329 struct tm tm;
4330 time_t s;
4331 usec_t n;
4332
4333 errno = 0;
4334 hour = strtol(t, &e, 10);
4335 if (errno != 0 || *e != ':' || hour < 0 || hour > 23)
4336 return -EINVAL;
4337
4338 minute = strtol(e+1, &e, 10);
4339 if (errno != 0 || *e != 0 || minute < 0 || minute > 59)
4340 return -EINVAL;
4341
4342 n = now(CLOCK_REALTIME);
08e4b1c5
LP		 4343 s = (time_t) (n / USEC_PER_SEC);
4344
4345 zero(tm);
f6144808
LP		 4346 assert_se(localtime_r(&s, &tm));
4347
4348 tm.tm_hour = (int) hour;
4349 tm.tm_min = (int) minute;
08e4b1c5 4350 tm.tm_sec = 0;
f6144808
LP		 4351
4352 assert_se(s = mktime(&tm));
4353
4354 *_u = (usec_t) s * USEC_PER_SEC;
4355
4356 while (*_u <= n)
4357 *_u += USEC_PER_DAY;
4358 }
4359
4360 return 0;
4361}
4362
5622dde3
KS		 4363static bool kexec_loaded(void) {
4364 bool loaded = false;
4365 char *s;
4366
4367 if (read_one_line_file("/sys/kernel/kexec_loaded", &s) >= 0) {
4368 if (s[0] == '1')
4369 loaded = true;
4370 free(s);
4371 }
4372 return loaded;
4373}
4374
e4b61340
LP		 4375static int shutdown_parse_argv(int argc, char *argv[]) {
4376
4377 enum {
4378 ARG_HELP = 0x100,
514f4ef5 4379 ARG_NO_WALL
e4b61340
LP		 4380 };
4381
4382 static const struct option options[] = {
4383 { "help", no_argument, NULL, ARG_HELP },
4384 { "halt", no_argument, NULL, 'H' },
4385 { "poweroff", no_argument, NULL, 'P' },
4386 { "reboot", no_argument, NULL, 'r' },
514f4ef5 4387 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4388 { NULL, 0, NULL, 0 }
4389 };
4390
f6144808 4391 int c, r;
e4b61340
LP		 4392
4393 assert(argc >= 0);
4394 assert(argv);
4395
f6144808 4396 while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
e4b61340
LP		 4397 switch (c) {
4398
4399 case ARG_HELP:
4400 shutdown_help();
4401 return 0;
4402
4403 case 'H':
4404 arg_action = ACTION_HALT;
4405 break;
4406
4407 case 'P':
4408 arg_action = ACTION_POWEROFF;
4409 break;
4410
4411 case 'r':
5622dde3
KS		 4412 if (kexec_loaded())
4413 arg_action = ACTION_KEXEC;
4414 else
4415 arg_action = ACTION_REBOOT;
e4b61340
LP		 4416 break;
4417
4418 case 'h':
4419 if (arg_action != ACTION_HALT)
4420 arg_action = ACTION_POWEROFF;
4421 break;
4422
4423 case 'k':
4424 arg_dry = true;
4425 break;
4426
514f4ef5
LP		 4427 case ARG_NO_WALL:
4428 arg_no_wall = true;
4429 break;
4430
e4b61340
LP		 4431 case 't':
4432 case 'a':
4433 /* Compatibility nops */
4434 break;
4435
f6144808
LP		 4436 case 'c':
4437 arg_action = ACTION_CANCEL_SHUTDOWN;
4438 break;
4439
e4b61340
LP		 4440 case '?':
4441 return -EINVAL;
4442
4443 default:
4444 log_error("Unknown option code %c", c);
4445 return -EINVAL;
4446 }
4447 }
4448
6b5ad000 4449 if (argc > optind) {
f6144808
LP		 4450 if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) {
4451 log_error("Failed to parse time specification: %s", argv[optind]);
4452 return r;
4453 }
6b5ad000 4454 } else
08e4b1c5 4455 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
442b9094 4456
f6144808 4457 /* We skip the time argument */
e4b61340
LP		 4458 if (argc > optind + 1)
4459 arg_wall = argv + optind + 1;
4460
4461 optind = argc;
4462
4463 return 1;
e4b61340
LP		 4464}
4465
4466static int telinit_parse_argv(int argc, char *argv[]) {
4467
4468 enum {
4469 ARG_HELP = 0x100,
514f4ef5 4470 ARG_NO_WALL
e4b61340
LP		 4471 };
4472
4473 static const struct option options[] = {
4474 { "help", no_argument, NULL, ARG_HELP },
514f4ef5 4475 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4476 { NULL, 0, NULL, 0 }
4477 };
4478
4479 static const struct {
4480 char from;
4481 enum action to;
4482 } table[] = {
4483 { '0', ACTION_POWEROFF },
4484 { '6', ACTION_REBOOT },
ef2f1067 4485 { '1', ACTION_RESCUE },
e4b61340
LP		 4486 { '2', ACTION_RUNLEVEL2 },
4487 { '3', ACTION_RUNLEVEL3 },
4488 { '4', ACTION_RUNLEVEL4 },
4489 { '5', ACTION_RUNLEVEL5 },
4490 { 's', ACTION_RESCUE },
4491 { 'S', ACTION_RESCUE },
4492 { 'q', ACTION_RELOAD },
4493 { 'Q', ACTION_RELOAD },
4494 { 'u', ACTION_REEXEC },
4495 { 'U', ACTION_REEXEC }
4496 };
4497
4498 unsigned i;
4499 int c;
4500
4501 assert(argc >= 0);
4502 assert(argv);
4503
4504 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4505 switch (c) {
4506
4507 case ARG_HELP:
4508 telinit_help();
4509 return 0;
4510
514f4ef5
LP		 4511 case ARG_NO_WALL:
4512 arg_no_wall = true;
4513 break;
4514
e4b61340
LP		 4515 case '?':
4516 return -EINVAL;
4517
4518 default:
4519 log_error("Unknown option code %c", c);
4520 return -EINVAL;
4521 }
4522 }
4523
4524 if (optind >= argc) {
2f02ce40 4525 telinit_help();
e4b61340
LP		 4526 return -EINVAL;
4527 }
4528
4529 if (optind + 1 < argc) {
4530 log_error("Too many arguments.");
4531 return -EINVAL;
4532 }
4533
4534 if (strlen(argv[optind]) != 1) {
4535 log_error("Expected single character argument.");
4536 return -EINVAL;
4537 }
4538
4539 for (i = 0; i < ELEMENTSOF(table); i++)
4540 if (table[i].from == argv[optind][0])
4541 break;
4542
4543 if (i >= ELEMENTSOF(table)) {
4544 log_error("Unknown command %s.", argv[optind]);
4545 return -EINVAL;
4546 }
4547
4548 arg_action = table[i].to;
4549
4550 optind ++;
4551
4552 return 1;
4553}
4554
4555static int runlevel_parse_argv(int argc, char *argv[]) {
4556
4557 enum {
4558 ARG_HELP = 0x100,
4559 };
4560
4561 static const struct option options[] = {
4562 { "help", no_argument, NULL, ARG_HELP },
4563 { NULL, 0, NULL, 0 }
4564 };
4565
4566 int c;
4567
4568 assert(argc >= 0);
4569 assert(argv);
4570
4571 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4572 switch (c) {
4573
4574 case ARG_HELP:
4575 runlevel_help();
4576 return 0;
4577
4578 case '?':
4579 return -EINVAL;
4580
4581 default:
4582 log_error("Unknown option code %c", c);
4583 return -EINVAL;
4584 }
4585 }
4586
4587 if (optind < argc) {
4588 log_error("Too many arguments.");
4589 return -EINVAL;
4590 }
4591
4592 return 1;
4593}
4594
4595static int parse_argv(int argc, char *argv[]) {
4596 assert(argc >= 0);
4597 assert(argv);
4598
4599 if (program_invocation_short_name) {
4600
4601 if (strstr(program_invocation_short_name, "halt")) {
4602 arg_action = ACTION_HALT;
4603 return halt_parse_argv(argc, argv);
4604 } else if (strstr(program_invocation_short_name, "poweroff")) {
4605 arg_action = ACTION_POWEROFF;
4606 return halt_parse_argv(argc, argv);
4607 } else if (strstr(program_invocation_short_name, "reboot")) {
5622dde3
KS		 4608 if (kexec_loaded())
4609 arg_action = ACTION_KEXEC;
4610 else
4611 arg_action = ACTION_REBOOT;
e4b61340
LP		 4612 return halt_parse_argv(argc, argv);
4613 } else if (strstr(program_invocation_short_name, "shutdown")) {
4614 arg_action = ACTION_POWEROFF;
4615 return shutdown_parse_argv(argc, argv);
4616 } else if (strstr(program_invocation_short_name, "init")) {
d5ca5f11
LP		 4617
4618 if (sd_booted() > 0) {
4619 arg_action = ACTION_INVALID;
4620 return telinit_parse_argv(argc, argv);
4621 } else {
4622 /* Hmm, so some other init system is
4623 * running, we need to forward this
4624 * request to it. For now we simply
4625 * guess that it is Upstart. */
4626
4627 execv("/lib/upstart/telinit", argv);
4628
4629 log_error("Couldn't find an alternative telinit implementation to spawn.");
4630 return -EIO;
4631 }
4632
e4b61340
LP		 4633 } else if (strstr(program_invocation_short_name, "runlevel")) {
4634 arg_action = ACTION_RUNLEVEL;
4635 return runlevel_parse_argv(argc, argv);
4636 }
4637 }
4638
4639 arg_action = ACTION_SYSTEMCTL;
4640 return systemctl_parse_argv(argc, argv);
4641}
4642
d55ae9e6 4643static int action_to_runlevel(void) {
eb22ac37
LP		 4644
4645 static const char table[_ACTION_MAX] = {
4646 [ACTION_HALT] = '0',
4647 [ACTION_POWEROFF] = '0',
4648 [ACTION_REBOOT] = '6',
4649 [ACTION_RUNLEVEL2] = '2',
4650 [ACTION_RUNLEVEL3] = '3',
4651 [ACTION_RUNLEVEL4] = '4',
4652 [ACTION_RUNLEVEL5] = '5',
4653 [ACTION_RESCUE] = '1'
4654 };
4655
d55ae9e6
LP		 4656 assert(arg_action < _ACTION_MAX);
4657
4658 return table[arg_action];
4659}
4660
f1c5860b 4661static int talk_upstart(void) {
d55ae9e6
LP		 4662 DBusMessage *m = NULL, *reply = NULL;
4663 DBusError error;
4664 int previous, rl, r;
4665 char
4666 env1_buf[] = "RUNLEVEL=X",
4667 env2_buf[] = "PREVLEVEL=X";
4668 char *env1 = env1_buf, *env2 = env2_buf;
4669 const char *emit = "runlevel";
4670 dbus_bool_t b_false = FALSE;
4671 DBusMessageIter iter, sub;
f1c5860b 4672 DBusConnection *bus;
d55ae9e6
LP		 4673
4674 dbus_error_init(&error);
4675
4676 if (!(rl = action_to_runlevel()))
4677 return 0;
4678
4679 if (utmp_get_runlevel(&previous, NULL) < 0)
4680 previous = 'N';
4681
b574246b 4682 if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) {
f1c5860b
LP		 4683 if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) {
4684 r = 0;
4685 goto finish;
4686 }
4687
4cf5d675 4688 log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
f1c5860b
LP		 4689 r = -EIO;
4690 goto finish;
4691 }
4692
4693 if ((r = bus_check_peercred(bus)) < 0) {
4694 log_error("Failed to verify owner of bus.");
4695 goto finish;
4696 }
4697
d55ae9e6
LP		 4698 if (!(m = dbus_message_new_method_call(
4699 "com.ubuntu.Upstart",
4700 "/com/ubuntu/Upstart",
4701 "com.ubuntu.Upstart0_6",
4702 "EmitEvent"))) {
4703
4704 log_error("Could not allocate message.");
f1c5860b
LP		 4705 r = -ENOMEM;
4706 goto finish;
d55ae9e6
LP		 4707 }
4708
4709 dbus_message_iter_init_append(m, &iter);
4710
4711 env1_buf[sizeof(env1_buf)-2] = rl;
4712 env2_buf[sizeof(env2_buf)-2] = previous;
4713
4714 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &emit) ||
4715 !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub) ||
4716 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env1) ||
4717 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env2) ||
4718 !dbus_message_iter_close_container(&iter, &sub) ||
4719 !dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b_false)) {
4720 log_error("Could not append arguments to message.");
4721 r = -ENOMEM;
4722 goto finish;
4723 }
4724
4725 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4726
4727 if (error_is_no_service(&error)) {
aabd9b11 4728 r = -EADDRNOTAVAIL;
d55ae9e6
LP		 4729 goto finish;
4730 }
4731
4cf5d675 4732 log_error("Failed to issue method call: %s", bus_error_message(&error));
d55ae9e6
LP		 4733 r = -EIO;
4734 goto finish;
4735 }
4736
0a55b298 4737 r = 1;
d55ae9e6
LP		 4738
4739finish:
4740 if (m)
4741 dbus_message_unref(m);
4742
4743 if (reply)
4744 dbus_message_unref(reply);
4745
b574246b 4746 if (bus) {
5d452f9c 4747 dbus_connection_flush(bus);
b574246b 4748 dbus_connection_close(bus);
f1c5860b 4749 dbus_connection_unref(bus);
b574246b 4750 }
f1c5860b 4751
d55ae9e6
LP		 4752 dbus_error_free(&error);
4753
4754 return r;
4755}
4756
4757static int talk_initctl(void) {
eb22ac37
LP		 4758 struct init_request request;
4759 int r, fd;
d55ae9e6 4760 char rl;
eb22ac37 4761
d55ae9e6 4762 if (!(rl = action_to_runlevel()))
eb22ac37
LP		 4763 return 0;
4764
4765 zero(request);
4766 request.magic = INIT_MAGIC;
4767 request.sleeptime = 0;
4768 request.cmd = INIT_CMD_RUNLVL;
d55ae9e6
LP		 4769 request.runlevel = rl;
4770
4771 if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) {
4772
4773 if (errno == ENOENT)
4774 return 0;
eb22ac37 4775
d55ae9e6 4776 log_error("Failed to open "INIT_FIFO": %m");
eb22ac37 4777 return -errno;
d55ae9e6 4778 }
eb22ac37 4779
d55ae9e6 4780 errno = 0;
eb22ac37
LP		 4781 r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
4782 close_nointr_nofail(fd);
4783
d55ae9e6
LP		 4784 if (r < 0) {
4785 log_error("Failed to write to "INIT_FIFO": %m");
eb22ac37 4786 return errno ? -errno : -EIO;
d55ae9e6 4787 }
eb22ac37
LP		 4788
4789 return 1;
e4b61340
LP		 4790}
4791
ee5762e3 4792static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
7e4249b9 4793
7e4249b9
LP		 4794 static const struct {
4795 const char* verb;
4796 const enum {
4797 MORE,
4798 LESS,
4799 EQUAL
4800 } argc_cmp;
4801 const int argc;
729e3769 4802 int (* const dispatch)(DBusConnection *bus, char **args);
7e4249b9 4803 } verbs[] = {
ee5762e3 4804 { "list-units", LESS, 1, list_units },
729e3769 4805 { "list-unit-files", EQUAL, 1, list_unit_files },
ee5762e3
LP		 4806 { "list-jobs", EQUAL, 1, list_jobs },
4807 { "clear-jobs", EQUAL, 1, daemon_reload },
4808 { "load", MORE, 2, load_unit },
4809 { "cancel", MORE, 2, cancel_job },
4810 { "start", MORE, 2, start_unit },
4811 { "stop", MORE, 2, start_unit },
a76f7be2 4812 { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
ee5762e3
LP		 4813 { "reload", MORE, 2, start_unit },
4814 { "restart", MORE, 2, start_unit },
4815 { "try-restart", MORE, 2, start_unit },
4816 { "reload-or-restart", MORE, 2, start_unit },
4817 { "reload-or-try-restart", MORE, 2, start_unit },
4818 { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
64e5f1b7 4819 { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
ee5762e3
LP		 4820 { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
4821 { "isolate", EQUAL, 2, start_unit },
8a0867d6 4822 { "kill", MORE, 2, kill_unit },
ee5762e3
LP		 4823 { "is-active", MORE, 2, check_unit },
4824 { "check", MORE, 2, check_unit },
4825 { "show", MORE, 1, show },
4826 { "status", MORE, 2, show },
ee5762e3
LP		 4827 { "dump", EQUAL, 1, dump },
4828 { "dot", EQUAL, 1, dot },
4829 { "snapshot", LESS, 2, snapshot },
4830 { "delete", MORE, 2, delete_snapshot },
4831 { "daemon-reload", EQUAL, 1, daemon_reload },
4832 { "daemon-reexec", EQUAL, 1, daemon_reload },
ee5762e3
LP		 4833 { "show-environment", EQUAL, 1, show_enviroment },
4834 { "set-environment", MORE, 2, set_environment },
4835 { "unset-environment", MORE, 2, set_environment },
4836 { "halt", EQUAL, 1, start_special },
4837 { "poweroff", EQUAL, 1, start_special },
4838 { "reboot", EQUAL, 1, start_special },
20b09ca7 4839 { "kexec", EQUAL, 1, start_special },
ee5762e3
LP		 4840 { "default", EQUAL, 1, start_special },
4841 { "rescue", EQUAL, 1, start_special },
4842 { "emergency", EQUAL, 1, start_special },
20b09ca7 4843 { "exit", EQUAL, 1, start_special },
fdf20a31 4844 { "reset-failed", MORE, 1, reset_failed },
ee5762e3
LP		 4845 { "enable", MORE, 2, enable_unit },
4846 { "disable", MORE, 2, enable_unit },
729e3769
LP		 4847 { "is-enabled", MORE, 2, unit_is_enabled },
4848 { "reenable", MORE, 2, enable_unit },
4849 { "preset", MORE, 2, enable_unit },
4850 { "mask", MORE, 2, enable_unit },
4851 { "unmask", MORE, 2, enable_unit },
4852 { "link", MORE, 2, enable_unit }
7e4249b9
LP		 4853 };
4854
e4b61340 4855 int left;
7e4249b9 4856 unsigned i;
7e4249b9 4857
e4b61340
LP		 4858 assert(argc >= 0);
4859 assert(argv);
ee5762e3 4860 assert(error);
7e4249b9
LP		 4861
4862 left = argc - optind;
4863
4864 if (left <= 0)
4865 /* Special rule: no arguments means "list-units" */
4866 i = 0;
4867 else {
0183528f
LP		 4868 if (streq(argv[optind], "help")) {
4869 systemctl_help();
4870 return 0;
4871 }
4872
7e4249b9
LP		 4873 for (i = 0; i < ELEMENTSOF(verbs); i++)
4874 if (streq(argv[optind], verbs[i].verb))
4875 break;
4876
4877 if (i >= ELEMENTSOF(verbs)) {
4878 log_error("Unknown operation %s", argv[optind]);
e4b61340 4879 return -EINVAL;
7e4249b9
LP		 4880 }
4881 }
4882
4883 switch (verbs[i].argc_cmp) {
4884
4885 case EQUAL:
4886 if (left != verbs[i].argc) {
4887 log_error("Invalid number of arguments.");
e4b61340 4888 return -EINVAL;
7e4249b9
LP		 4889 }
4890
4891 break;
4892
4893 case MORE:
4894 if (left < verbs[i].argc) {
4895 log_error("Too few arguments.");
e4b61340 4896 return -EINVAL;
7e4249b9
LP		 4897 }
4898
4899 break;
4900
4901 case LESS:
4902 if (left > verbs[i].argc) {
4903 log_error("Too many arguments.");
e4b61340 4904 return -EINVAL;
7e4249b9
LP		 4905 }
4906
4907 break;
4908
4909 default:
4910 assert_not_reached("Unknown comparison operator.");
4911 }
4912
ee5762e3
LP		 4913 /* Require a bus connection for all operations but
4914 * enable/disable */
729e3769
LP		 4915 if (!streq(verbs[i].verb, "enable") &&
4916 !streq(verbs[i].verb, "disable") &&
4917 !streq(verbs[i].verb, "is-enable") &&
4918 !streq(verbs[i].verb, "reenable") &&
4919 !streq(verbs[i].verb, "preset") &&
4920 !streq(verbs[i].verb, "mask") &&
4921 !streq(verbs[i].verb, "unmask") &&
4922 !streq(verbs[i].verb, "link")) {
82e23ddd
LP		 4923
4924 if (running_in_chroot() > 0) {
4925 log_info("Running in chroot, ignoring request.");
4926 return 0;
4927 }
4928
729e3769 4929 if (!bus && !avoid_bus()) {
82e23ddd
LP		 4930 log_error("Failed to get D-Bus connection: %s", error->message);
4931 return -EIO;
4932 }
ee5762e3
LP		 4933 }
4934
729e3769 4935 return verbs[i].dispatch(bus, argv + optind);
e4b61340
LP		 4936}
4937
52c00215 4938static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
f6144808
LP		 4939 int fd = -1;
4940 struct msghdr msghdr;
4941 struct iovec iovec;
4942 union sockaddr_union sockaddr;
f6144808
LP		 4943 struct shutdownd_command c;
4944
4945 zero(c);
4946 c.elapse = t;
4947 c.mode = mode;
52c00215 4948 c.dry_run = dry_run;
9be9828c
LP		 4949 c.warn_wall = warn;
4950
4951 if (message)
4952 strncpy(c.wall_message, message, sizeof(c.wall_message));
f6144808
LP		 4953
4954 if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0)
4955 return -errno;
4956
4957 zero(sockaddr);
4958 sockaddr.sa.sa_family = AF_UNIX;
4959 sockaddr.un.sun_path[0] = 0;
2b583ce6 4960 strncpy(sockaddr.un.sun_path, "/run/systemd/shutdownd", sizeof(sockaddr.un.sun_path));
f6144808
LP		 4961
4962 zero(iovec);
4963 iovec.iov_base = (char*) &c;
4964 iovec.iov_len = sizeof(c);
4965
f6144808
LP		 4966 zero(msghdr);
4967 msghdr.msg_name = &sockaddr;
2b583ce6 4968 msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + sizeof("/run/systemd/shutdownd") - 1;
f6144808
LP		 4969
4970 msghdr.msg_iov = &iovec;
4971 msghdr.msg_iovlen = 1;
f6144808
LP		 4972
4973 if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
4974 close_nointr_nofail(fd);
4975 return -errno;
4976 }
4977
4978 close_nointr_nofail(fd);
4979 return 0;
4980}
4981
e4b61340 4982static int reload_with_fallback(DBusConnection *bus) {
e4b61340
LP		 4983
4984 if (bus) {
4985 /* First, try systemd via D-Bus. */
729e3769 4986 if (daemon_reload(bus, NULL) > 0)
e4b61340
LP		 4987 return 0;
4988 }
4989
4990 /* Nothing else worked, so let's try signals */
4991 assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
4992
4993 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) {
4994 log_error("kill() failed: %m");
4995 return -errno;
4996 }
4997
4998 return 0;
4999}
5000
5001static int start_with_fallback(DBusConnection *bus) {
e4b61340
LP		 5002
5003 if (bus) {
5004 /* First, try systemd via D-Bus. */
729e3769 5005 if (start_unit(bus, NULL) >= 0)
983d9c90 5006 goto done;
e4b61340
LP		 5007 }
5008
ec7f7f20
LP		 5009 /* Hmm, talking to systemd via D-Bus didn't work. Then
5010 * let's try to talk to Upstart via D-Bus. */
e364ad06 5011 if (talk_upstart() > 0)
ec7f7f20
LP		 5012 goto done;
5013
e4b61340
LP		 5014 /* Nothing else worked, so let's try
5015 * /dev/initctl */
fbc43921 5016 if (talk_initctl() > 0)
983d9c90 5017 goto done;
d55ae9e6
LP		 5018
5019 log_error("Failed to talk to init daemon.");
5020 return -EIO;
983d9c90
LP		 5021
5022done:
5023 warn_wall(arg_action);
5024 return 0;
e4b61340
LP		 5025}
5026
5027static int halt_main(DBusConnection *bus) {
5028 int r;
5029
bc8c2f5c 5030 if (geteuid() != 0) {
cc8a7a61 5031 log_error("Must be root.");
bc8c2f5c
LP		 5032 return -EPERM;
5033 }
5034
f6144808 5035 if (arg_when > 0) {
9be9828c 5036 char *m;
08e4b1c5 5037 char date[FORMAT_TIMESTAMP_MAX];
9be9828c
LP		 5038
5039 m = strv_join(arg_wall, " ");
5040 r = send_shutdownd(arg_when,
5041 arg_action == ACTION_HALT ? 'H' :
5042 arg_action == ACTION_POWEROFF ? 'P' :
5043 'r',
52c00215 5044 arg_dry,
9be9828c
LP		 5045 !arg_no_wall,
5046 m);
5047 free(m);
5048
5049 if (r < 0)
f6144808 5050 log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
08e4b1c5
LP		 5051 else {
5052 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
5053 format_timestamp(date, sizeof(date), arg_when));
f6144808 5054 return 0;
08e4b1c5 5055 }
f6144808
LP		 5056 }
5057
d47b555b 5058 if (!arg_dry && !arg_immediate)
e4b61340
LP		 5059 return start_with_fallback(bus);
5060
d90e1a30
LP		 5061 if (!arg_no_wtmp) {
5062 if (sd_booted() > 0)
5063 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
5064 else if ((r = utmp_put_shutdown(0)) < 0)
e4b61340 5065 log_warning("Failed to write utmp record: %s", strerror(-r));
d90e1a30 5066 }
e4b61340
LP		 5067
5068 if (!arg_no_sync)
5069 sync();
5070
5071 if (arg_dry)
5072 return 0;
5073
5074 /* Make sure C-A-D is handled by the kernel from this
5075 * point on... */
5076 reboot(RB_ENABLE_CAD);
5077
5078 switch (arg_action) {
5079
5080 case ACTION_HALT:
3059b1c1 5081 log_info("Halting.");
e4b61340
LP		 5082 reboot(RB_HALT_SYSTEM);
5083 break;
5084
5085 case ACTION_POWEROFF:
3059b1c1 5086 log_info("Powering off.");
e4b61340
LP		 5087 reboot(RB_POWER_OFF);
5088 break;
5089
5090 case ACTION_REBOOT:
3059b1c1 5091 log_info("Rebooting.");
e4b61340
LP		 5092 reboot(RB_AUTOBOOT);
5093 break;
5094
5095 default:
5096 assert_not_reached("Unknown halt action.");
5097 }
5098
5099 /* We should never reach this. */
5100 return -ENOSYS;
5101}
5102
5103static int runlevel_main(void) {
5104 int r, runlevel, previous;
5105
729e3769
LP		 5106 r = utmp_get_runlevel(&runlevel, &previous);
5107 if (r < 0) {
5108 puts("unknown");
e4b61340
LP		 5109 return r;
5110 }
5111
5112 printf("%c %c\n",
5113 previous <= 0 ? 'N' : previous,
5114 runlevel <= 0 ? 'N' : runlevel);
5115
5116 return 0;
5117}
5118
5119int main(int argc, char*argv[]) {
22f4096c 5120 int r, retval = EXIT_FAILURE;
e4b61340
LP		 5121 DBusConnection *bus = NULL;
5122 DBusError error;
5123
5124 dbus_error_init(&error);
5125
5126 log_parse_environment();
2396fb04 5127 log_open();
e4b61340
LP		 5128
5129 if ((r = parse_argv(argc, argv)) < 0)
5130 goto finish;
5131 else if (r == 0) {
22f4096c 5132 retval = EXIT_SUCCESS;
7e4249b9
LP		 5133 goto finish;
5134 }
5135
e4b61340
LP		 5136 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
5137 * let's shortcut this */
5138 if (arg_action == ACTION_RUNLEVEL) {
22f4096c
LP		 5139 r = runlevel_main();
5140 retval = r < 0 ? EXIT_FAILURE : r;
e4b61340
LP		 5141 goto finish;
5142 }
5143
82e23ddd
LP		 5144 if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
5145 log_info("Running in chroot, ignoring request.");
5146 retval = 0;
5147 goto finish;
5148 }
5149
729e3769
LP		 5150 if (!avoid_bus()) {
5151 if (arg_transport == TRANSPORT_NORMAL)
5152 bus_connect(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &bus, &private_bus, &error);
5153 else if (arg_transport == TRANSPORT_POLKIT) {
5154 bus_connect_system_polkit(&bus, &error);
5155 private_bus = false;
5156 } else if (arg_transport == TRANSPORT_SSH) {
5157 bus_connect_system_ssh(NULL, arg_host, &bus, &error);
5158 private_bus = false;
5159 } else
5160 assert_not_reached("Uh, invalid transport...");
5161 }
e4b61340
LP		 5162
5163 switch (arg_action) {
5164
22f4096c
LP		 5165 case ACTION_SYSTEMCTL:
5166 r = systemctl_main(bus, argc, argv, &error);
e4b61340 5167 break;
e4b61340
LP		 5168
5169 case ACTION_HALT:
5170 case ACTION_POWEROFF:
5171 case ACTION_REBOOT:
5622dde3 5172 case ACTION_KEXEC:
22f4096c 5173 r = halt_main(bus);
e4b61340
LP		 5174 break;
5175
e4b61340
LP		 5176 case ACTION_RUNLEVEL2:
5177 case ACTION_RUNLEVEL3:
5178 case ACTION_RUNLEVEL4:
5179 case ACTION_RUNLEVEL5:
5180 case ACTION_RESCUE:
514f4ef5 5181 case ACTION_EMERGENCY:
eb22ac37 5182 case ACTION_DEFAULT:
22f4096c 5183 r = start_with_fallback(bus);
e4b61340 5184 break;
7e4249b9 5185
e4b61340
LP		 5186 case ACTION_RELOAD:
5187 case ACTION_REEXEC:
22f4096c 5188 r = reload_with_fallback(bus);
e4b61340
LP		 5189 break;
5190
f6144808 5191 case ACTION_CANCEL_SHUTDOWN:
52c00215 5192 r = send_shutdownd(0, 0, false, false, NULL);
f6144808
LP		 5193 break;
5194
eb22ac37
LP		 5195 case ACTION_INVALID:
5196 case ACTION_RUNLEVEL:
e4b61340
LP		 5197 default:
5198 assert_not_reached("Unknown action");
5199 }
7e4249b9 5200
22f4096c
LP		 5201 retval = r < 0 ? EXIT_FAILURE : r;
5202
7e4249b9 5203finish:
b574246b 5204 if (bus) {
5d452f9c 5205 dbus_connection_flush(bus);
b574246b 5206 dbus_connection_close(bus);
7e4249b9 5207 dbus_connection_unref(bus);
b574246b 5208 }
7e4249b9 5209
e4b61340
LP		 5210 dbus_error_free(&error);
5211
7e4249b9
LP		 5212 dbus_shutdown();
5213
ea4a240d
LP		 5214 strv_free(arg_property);
5215
1888c907 5216 pager_close();
c0f9c7da 5217 agent_close();
1888c907 5218
7e4249b9
LP		 5219 return retval;
5220}
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