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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;
ebed32bf 69static bool arg_no_legend = false;
0736af98 70static bool arg_no_pager = false;
e4b61340
LP		 71static bool arg_no_wtmp = false;
72static bool arg_no_sync = false;
514f4ef5 73static bool arg_no_wall = false;
ee5762e3 74static bool arg_no_reload = false;
e4b61340 75static bool arg_dry = false;
0183528f 76static bool arg_quiet = false;
ee5762e3
LP		 77static bool arg_full = false;
78static bool arg_force = false;
501fc174 79static bool arg_ask_password = false;
30732560 80static bool arg_failed = false;
729e3769 81static bool arg_runtime = false;
e4b61340 82static char **arg_wall = NULL;
8a0867d6
LP		 83static const char *arg_kill_who = NULL;
84static const char *arg_kill_mode = NULL;
85static int arg_signal = SIGTERM;
69fc152f 86static const char *arg_root = NULL;
f6144808 87static usec_t arg_when = 0;
4445a875 88static enum action {
e4b61340
LP		 89 ACTION_INVALID,
90 ACTION_SYSTEMCTL,
91 ACTION_HALT,
92 ACTION_POWEROFF,
93 ACTION_REBOOT,
20b09ca7
LP		 94 ACTION_KEXEC,
95 ACTION_EXIT,
e4b61340
LP		 96 ACTION_RUNLEVEL2,
97 ACTION_RUNLEVEL3,
98 ACTION_RUNLEVEL4,
99 ACTION_RUNLEVEL5,
100 ACTION_RESCUE,
514f4ef5
LP		 101 ACTION_EMERGENCY,
102 ACTION_DEFAULT,
e4b61340
LP		 103 ACTION_RELOAD,
104 ACTION_REEXEC,
105 ACTION_RUNLEVEL,
f6144808 106 ACTION_CANCEL_SHUTDOWN,
e4b61340
LP		 107 _ACTION_MAX
108} arg_action = ACTION_SYSTEMCTL;
4445a875
LP		 109static enum dot {
110 DOT_ALL,
111 DOT_ORDER,
112 DOT_REQUIRE
113} arg_dot = DOT_ALL;
a8f11321
LP		 114static enum transport {
115 TRANSPORT_NORMAL,
116 TRANSPORT_SSH,
117 TRANSPORT_POLKIT
118} arg_transport = TRANSPORT_NORMAL;
119static const char *arg_host = NULL;
e4b61340 120
f4579ce7
LP		 121static bool private_bus = false;
122
729e3769 123static int daemon_reload(DBusConnection *bus, char **args);
1968a360 124
2ee68f72 125static bool on_tty(void) {
2cc59dbf
LP		 126 static int t = -1;
127
75d12d57
LP		 128 /* Note that this is invoked relatively early, before we start
129 * the pager. That means the value we return reflects whether
130 * we originally were started on a tty, not if we currently
060ed82e 131 * are. But this is intended, since we want colour and so on
75d12d57
LP		 132 * when run in our own pager. */
133
2cc59dbf
LP		 134 if (_unlikely_(t < 0))
135 t = isatty(STDOUT_FILENO) > 0;
136
2ee68f72
LP		 137 return t;
138}
139
3b0727f5 140static void pager_open_if_enabled(void) {
f8440af5
LP		 141
142 /* Cache result before we open the pager */
3b0727f5
LP		 143 on_tty();
144
729e3769
LP		 145 if (arg_no_pager)
146 return;
3b0727f5 147
729e3769
LP		 148 pager_open();
149}
c0f9c7da 150
729e3769 151static void agent_open_if_enabled(void) {
501fc174 152
729e3769 153 /* Open the password agent as a child process if necessary */
501fc174
LP		 154
155 if (!arg_ask_password)
156 return;
715554e7 157
729e3769 158 if (arg_scope != UNIT_FILE_SYSTEM)
501fc174
LP		 159 return;
160
729e3769 161 agent_open();
501fc174
LP		 162}
163
2ee68f72
LP		 164static const char *ansi_highlight(bool b) {
165
166 if (!on_tty())
2cc59dbf
LP		 167 return "";
168
169 return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF;
170}
171
2ee68f72
LP		 172static const char *ansi_highlight_green(bool b) {
173
174 if (!on_tty())
175 return "";
176
177 return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
178}
179
f73e33d9 180static bool error_is_no_service(const DBusError *error) {
514f4ef5
LP		 181 assert(error);
182
e4b61340
LP		 183 if (!dbus_error_is_set(error))
184 return false;
185
186 if (dbus_error_has_name(error, DBUS_ERROR_NAME_HAS_NO_OWNER))
187 return true;
188
189 if (dbus_error_has_name(error, DBUS_ERROR_SERVICE_UNKNOWN))
190 return true;
191
192 return startswith(error->name, "org.freedesktop.DBus.Error.Spawn.");
193}
7e4249b9 194
22f4096c
LP		 195static int translate_bus_error_to_exit_status(int r, const DBusError *error) {
196 assert(error);
197
198 if (!dbus_error_is_set(error))
199 return r;
200
201 if (dbus_error_has_name(error, DBUS_ERROR_ACCESS_DENIED) ||
202 dbus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
203 dbus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
204 dbus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
205 return EXIT_NOPERMISSION;
206
207 if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
208 return EXIT_NOTINSTALLED;
209
210 if (dbus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
211 dbus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED))
212 return EXIT_NOTIMPLEMENTED;
213
214 if (dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
215 return EXIT_NOTCONFIGURED;
216
217 if (r != 0)
218 return r;
219
220 return EXIT_FAILURE;
221}
222
514f4ef5 223static void warn_wall(enum action action) {
ef2f1067 224 static const char *table[_ACTION_MAX] = {
514f4ef5
LP		 225 [ACTION_HALT] = "The system is going down for system halt NOW!",
226 [ACTION_REBOOT] = "The system is going down for reboot NOW!",
227 [ACTION_POWEROFF] = "The system is going down for power-off NOW!",
20b09ca7 228 [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
514f4ef5
LP		 229 [ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
230 [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!"
ef2f1067
LP		 231 };
232
514f4ef5
LP		 233 if (arg_no_wall)
234 return;
235
e4a9373f
LP		 236 if (arg_wall) {
237 char *p;
238
239 if (!(p = strv_join(arg_wall, " "))) {
240 log_error("Failed to join strings.");
241 return;
242 }
243
244 if (*p) {
7af53310 245 utmp_wall(p, NULL);
e4a9373f
LP		 246 free(p);
247 return;
248 }
249
250 free(p);
251 }
252
514f4ef5 253 if (!table[action])
ef2f1067
LP		 254 return;
255
7af53310 256 utmp_wall(table[action], NULL);
ef2f1067
LP		 257}
258
729e3769
LP		 259static bool avoid_bus(void) {
260
261 if (running_in_chroot() > 0)
262 return true;
263
264 if (sd_booted() <= 0)
265 return true;
266
267 if (!isempty(arg_root))
268 return true;
269
270 if (arg_scope == UNIT_FILE_GLOBAL)
271 return true;
272
273 return false;
274}
275
36c32ba2
LP		 276struct unit_info {
277 const char *id;
278 const char *description;
279 const char *load_state;
280 const char *active_state;
281 const char *sub_state;
282 const char *following;
283 const char *unit_path;
284 uint32_t job_id;
285 const char *job_type;
286 const char *job_path;
287};
288
289static int compare_unit_info(const void *a, const void *b) {
290 const char *d1, *d2;
291 const struct unit_info *u = a, *v = b;
292
293 d1 = strrchr(u->id, '.');
294 d2 = strrchr(v->id, '.');
295
296 if (d1 && d2) {
297 int r;
298
a2a3a5b9 299 if ((r = strcasecmp(d1, d2)) != 0)
36c32ba2
LP		 300 return r;
301 }
302
a2a3a5b9 303 return strcasecmp(u->id, v->id);
36c32ba2
LP		 304}
305
30732560 306static bool output_show_unit(const struct unit_info *u) {
33330222 307 const char *dot;
b036fc00 308
30732560
LP		 309 if (arg_failed)
310 return streq(u->active_state, "failed");
311
33330222
ZJS		 312 return (!arg_type || ((dot = strrchr(u->id, '.')) &&
313 streq(dot+1, arg_type))) &&
314 (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0);
315}
316
eb68c413 317static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
4deb3b93 318 unsigned id_len, max_id_len, active_len, sub_len, job_len, desc_len, n_shown = 0;
b036fc00 319 const struct unit_info *u;
33330222 320
4deb3b93 321 max_id_len = sizeof("UNIT")-1;
b036fc00
LP		 322 active_len = sizeof("ACTIVE")-1;
323 sub_len = sizeof("SUB")-1;
324 job_len = sizeof("JOB")-1;
4deb3b93 325 desc_len = 0;
b036fc00
LP		 326
327 for (u = unit_infos; u < unit_infos + c; u++) {
30732560 328 if (!output_show_unit(u))
b036fc00
LP		 329 continue;
330
4deb3b93 331 max_id_len = MAX(max_id_len, strlen(u->id));
b036fc00
LP		 332 active_len = MAX(active_len, strlen(u->active_state));
333 sub_len = MAX(sub_len, strlen(u->sub_state));
334 if (u->job_id != 0)
335 job_len = MAX(job_len, strlen(u->job_type));
33330222
ZJS		 336 }
337
4deb3b93
MS		 338 if (!arg_full) {
339 unsigned basic_len;
340 id_len = MIN(max_id_len, 25);
341 basic_len = 5 + id_len + 6 + active_len + sub_len + job_len;
342 if (basic_len < (unsigned) columns()) {
343 unsigned extra_len, incr;
344 extra_len = columns() - basic_len;
345 /* Either UNIT already got 25, or is fully satisfied.
346 * Grant up to 25 to DESC now. */
347 incr = MIN(extra_len, 25);
348 desc_len += incr;
349 extra_len -= incr;
350 /* split the remaining space between UNIT and DESC,
351 * but do not give UNIT more than it needs. */
352 if (extra_len > 0) {
353 incr = MIN(extra_len / 2, max_id_len - id_len);
354 id_len += incr;
355 desc_len += extra_len - incr;
356 }
357 }
358 } else
359 id_len = max_id_len;
360
798e258d
MS		 361 if (!arg_no_legend) {
362 printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD",
363 active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
364 if (!arg_full && arg_no_pager)
365 printf("%.*s\n", desc_len, "DESCRIPTION");
366 else
367 printf("%s\n", "DESCRIPTION");
368 }
eb68c413 369
b036fc00
LP		 370 for (u = unit_infos; u < unit_infos + c; u++) {
371 char *e;
b036fc00
LP		 372 const char *on_loaded, *off_loaded;
373 const char *on_active, *off_active;
374
30732560 375 if (!output_show_unit(u))
b036fc00
LP		 376 continue;
377
688c6725
LP		 378 n_shown++;
379
f7b9e331 380 if (streq(u->load_state, "error")) {
b036fc00
LP		 381 on_loaded = ansi_highlight(true);
382 off_loaded = ansi_highlight(false);
383 } else
384 on_loaded = off_loaded = "";
385
386 if (streq(u->active_state, "failed")) {
387 on_active = ansi_highlight(true);
388 off_active = ansi_highlight(false);
389 } else
390 on_active = off_active = "";
eb68c413 391
4deb3b93 392 e = arg_full ? NULL : ellipsize(u->id, id_len, 33);
eb68c413 393
798e258d 394 printf("%-*s %s%-6s%s %s%-*s %-*s%s %-*s ",
4deb3b93 395 id_len, e ? e : u->id,
b036fc00
LP		 396 on_loaded, u->load_state, off_loaded,
397 on_active, active_len, u->active_state,
398 sub_len, u->sub_state, off_active,
798e258d
MS		 399 job_len, u->job_id ? u->job_type : "");
400 if (!arg_full && arg_no_pager)
401 printf("%.*s\n", desc_len, u->description);
402 else
403 printf("%s\n", u->description);
eb68c413 404
b036fc00 405 free(e);
eb68c413
ZJS		 406 }
407
ebed32bf 408 if (!arg_no_legend) {
eb68c413
ZJS		 409 printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
410 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
411 "SUB = The low-level unit activation state, values depend on unit type.\n"
412 "JOB = Pending job for the unit.\n");
413
414 if (arg_all)
688c6725 415 printf("\n%u units listed.\n", n_shown);
eb68c413 416 else
688c6725 417 printf("\n%u units listed. Pass --all to see inactive units, too.\n", n_shown);
eb68c413
ZJS		 418 }
419}
420
729e3769 421static int list_units(DBusConnection *bus, char **args) {
7e4249b9
LP		 422 DBusMessage *m = NULL, *reply = NULL;
423 DBusError error;
424 int r;
425 DBusMessageIter iter, sub, sub2;
eb68c413 426 unsigned c = 0, n_units = 0;
36c32ba2 427 struct unit_info *unit_infos = NULL;
7e4249b9
LP		 428
429 dbus_error_init(&error);
430
514f4ef5
LP		 431 assert(bus);
432
1968a360 433 pager_open_if_enabled();
ec14911e 434
7e4249b9
LP		 435 if (!(m = dbus_message_new_method_call(
436 "org.freedesktop.systemd1",
437 "/org/freedesktop/systemd1",
438 "org.freedesktop.systemd1.Manager",
439 "ListUnits"))) {
440 log_error("Could not allocate message.");
441 return -ENOMEM;
442 }
443
444 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 445 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 446 r = -EIO;
447 goto finish;
448 }
449
450 if (!dbus_message_iter_init(reply, &iter) ||
451 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
452 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
453 log_error("Failed to parse reply.");
454 r = -EIO;
455 goto finish;
456 }
457
458 dbus_message_iter_recurse(&iter, &sub);
459
7e4249b9 460 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
36c32ba2 461 struct unit_info *u;
7e4249b9
LP		 462
463 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
464 log_error("Failed to parse reply.");
465 r = -EIO;
466 goto finish;
467 }
468
36c32ba2
LP		 469 if (c >= n_units) {
470 struct unit_info *w;
471
472 n_units = MAX(2*c, 16);
473 w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
474
475 if (!w) {
476 log_error("Failed to allocate unit array.");
477 r = -ENOMEM;
478 goto finish;
479 }
480
481 unit_infos = w;
482 }
483
484 u = unit_infos+c;
485
7e4249b9
LP		 486 dbus_message_iter_recurse(&sub, &sub2);
487
36c32ba2
LP		 488 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
489 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
490 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
491 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
492 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
493 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
494 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
495 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
496 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
497 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
7e4249b9
LP		 498 log_error("Failed to parse reply.");
499 r = -EIO;
500 goto finish;
501 }
502
36c32ba2
LP		 503 dbus_message_iter_next(&sub);
504 c++;
505 }
506
bd40a2d8
LP		 507 if (c > 0) {
508 qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
509 output_units_list(unit_infos, c);
510 }
4445a875
LP		 511
512 r = 0;
513
514finish:
515 if (m)
516 dbus_message_unref(m);
517
518 if (reply)
519 dbus_message_unref(reply);
520
36c32ba2
LP		 521 free(unit_infos);
522
4445a875
LP		 523 dbus_error_free(&error);
524
525 return r;
526}
527
729e3769
LP		 528static int compare_unit_file_list(const void *a, const void *b) {
529 const char *d1, *d2;
530 const UnitFileList *u = a, *v = b;
531
532 d1 = strrchr(u->path, '.');
533 d2 = strrchr(v->path, '.');
534
535 if (d1 && d2) {
536 int r;
537
538 r = strcasecmp(d1, d2);
539 if (r != 0)
540 return r;
541 }
542
543 return strcasecmp(file_name_from_path(u->path), file_name_from_path(v->path));
544}
545
546static bool output_show_unit_file(const UnitFileList *u) {
547 const char *dot;
548
549 return !arg_type || ((dot = strrchr(u->path, '.')) && streq(dot+1, arg_type));
550}
551
552static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1c0a113f 553 unsigned max_id_len, id_cols, state_cols, n_shown = 0;
729e3769
LP		 554 const UnitFileList *u;
555
1c0a113f
ZJS		 556 max_id_len = sizeof("UNIT FILE")-1;
557 state_cols = sizeof("STATE")-1;
558 for (u = units; u < units + c; u++) {
559 if (!output_show_unit_file(u))
560 continue;
561
562 max_id_len = MAX(max_id_len, strlen(file_name_from_path(u->path)));
563 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
564 }
565
566 if (!arg_full) {
567 unsigned basic_cols;
568 id_cols = MIN(max_id_len, 25);
569 basic_cols = 1 + id_cols + state_cols;
570 if (basic_cols < (unsigned) columns())
571 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
572 } else
573 id_cols = max_id_len;
574
575 if (!arg_no_legend)
576 printf("%-*s %-*s\n", id_cols, "UNIT FILE", state_cols, "STATE");
729e3769
LP		 577
578 for (u = units; u < units + c; u++) {
579 char *e;
580 const char *on, *off;
581 const char *id;
582
583 if (!output_show_unit_file(u))
584 continue;
585
586 n_shown++;
587
588 if (u->state == UNIT_FILE_MASKED ||
589 u->state == UNIT_FILE_MASKED_RUNTIME ||
590 u->state == UNIT_FILE_DISABLED) {
591 on = ansi_highlight(true);
592 off = ansi_highlight(false);
593 } else if (u->state == UNIT_FILE_ENABLED) {
594 on = ansi_highlight_green(true);
595 off = ansi_highlight_green(false);
596 } else
597 on = off = "";
598
599 id = file_name_from_path(u->path);
600
1c0a113f 601 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
729e3769 602
1c0a113f
ZJS		 603 printf("%-*s %s%-*s%s\n",
604 id_cols, e ? e : id,
605 on, state_cols, unit_file_state_to_string(u->state), off);
729e3769
LP		 606
607 free(e);
608 }
609
1c0a113f 610 if (!arg_no_legend)
729e3769
LP		 611 printf("\n%u unit files listed.\n", n_shown);
612}
613
614static int list_unit_files(DBusConnection *bus, char **args) {
615 DBusMessage *m = NULL, *reply = NULL;
616 DBusError error;
617 int r;
618 DBusMessageIter iter, sub, sub2;
619 unsigned c = 0, n_units = 0;
620 UnitFileList *units = NULL;
621
622 dbus_error_init(&error);
623
729e3769
LP		 624 pager_open_if_enabled();
625
626 if (avoid_bus()) {
627 Hashmap *h;
628 UnitFileList *u;
629 Iterator i;
630
631 h = hashmap_new(string_hash_func, string_compare_func);
632 if (!h) {
633 log_error("Out of memory");
634 return -ENOMEM;
635 }
636
637 r = unit_file_get_list(arg_scope, arg_root, h);
638 if (r < 0) {
8ea913b2 639 unit_file_list_free(h);
729e3769
LP		 640 log_error("Failed to get unit file list: %s", strerror(-r));
641 return r;
642 }
643
644 n_units = hashmap_size(h);
645 units = new(UnitFileList, n_units);
646 if (!units) {
647 unit_file_list_free(h);
648 log_error("Out of memory");
649 return -ENOMEM;
650 }
651
652 HASHMAP_FOREACH(u, h, i) {
653 memcpy(units + c++, u, sizeof(UnitFileList));
654 free(u);
655 }
656
657 hashmap_free(h);
658 } else {
d380a3bc
BN		 659 assert(bus);
660
729e3769
LP		 661 m = dbus_message_new_method_call(
662 "org.freedesktop.systemd1",
663 "/org/freedesktop/systemd1",
664 "org.freedesktop.systemd1.Manager",
665 "ListUnitFiles");
666 if (!m) {
667 log_error("Could not allocate message.");
668 return -ENOMEM;
669 }
670
671 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
672 if (!reply) {
673 log_error("Failed to issue method call: %s", bus_error_message(&error));
674 r = -EIO;
675 goto finish;
676 }
677
678 if (!dbus_message_iter_init(reply, &iter) ||
679 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
680 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
681 log_error("Failed to parse reply.");
682 r = -EIO;
683 goto finish;
684 }
685
686 dbus_message_iter_recurse(&iter, &sub);
687
688 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
689 UnitFileList *u;
690 const char *state;
691
692 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
693 log_error("Failed to parse reply.");
694 r = -EIO;
695 goto finish;
696 }
697
698 if (c >= n_units) {
699 UnitFileList *w;
700
701 n_units = MAX(2*c, 16);
702 w = realloc(units, sizeof(struct UnitFileList) * n_units);
703
704 if (!w) {
705 log_error("Failed to allocate unit array.");
706 r = -ENOMEM;
707 goto finish;
708 }
709
710 units = w;
711 }
712
713 u = units+c;
714
715 dbus_message_iter_recurse(&sub, &sub2);
716
717 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->path, true) < 0 ||
718 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, false) < 0) {
719 log_error("Failed to parse reply.");
720 r = -EIO;
721 goto finish;
722 }
723
724 u->state = unit_file_state_from_string(state);
725
726 dbus_message_iter_next(&sub);
727 c++;
728 }
729 }
730
731 if (c > 0) {
732 qsort(units, c, sizeof(UnitFileList), compare_unit_file_list);
733 output_unit_file_list(units, c);
734 }
735
736 r = 0;
737
738finish:
739 if (m)
740 dbus_message_unref(m);
741
742 if (reply)
743 dbus_message_unref(reply);
744
745 free(units);
746
747 dbus_error_free(&error);
748
749 return r;
750}
751
4445a875
LP		 752static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
753 static const char * const colors[] = {
754 "Requires", "[color=\"black\"]",
755 "RequiresOverridable", "[color=\"black\"]",
756 "Requisite", "[color=\"darkblue\"]",
757 "RequisiteOverridable", "[color=\"darkblue\"]",
758 "Wants", "[color=\"darkgrey\"]",
759 "Conflicts", "[color=\"red\"]",
69dd2852 760 "ConflictedBy", "[color=\"red\"]",
4445a875
LP		 761 "After", "[color=\"green\"]"
762 };
763
764 const char *c = NULL;
765 unsigned i;
766
767 assert(name);
768 assert(prop);
769 assert(iter);
770
771 for (i = 0; i < ELEMENTSOF(colors); i += 2)
772 if (streq(colors[i], prop)) {
773 c = colors[i+1];
774 break;
775 }
776
777 if (!c)
778 return 0;
779
780 if (arg_dot != DOT_ALL)
781 if ((arg_dot == DOT_ORDER) != streq(prop, "After"))
782 return 0;
783
784 switch (dbus_message_iter_get_arg_type(iter)) {
785
786 case DBUS_TYPE_ARRAY:
787
788 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
789 DBusMessageIter sub;
790
791 dbus_message_iter_recurse(iter, &sub);
792
793 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
794 const char *s;
795
796 assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
797 dbus_message_iter_get_basic(&sub, &s);
798 printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
799
800 dbus_message_iter_next(&sub);
801 }
802
803 return 0;
804 }
805 }
806
807 return 0;
808}
809
810static int dot_one(DBusConnection *bus, const char *name, const char *path) {
811 DBusMessage *m = NULL, *reply = NULL;
812 const char *interface = "org.freedesktop.systemd1.Unit";
813 int r;
814 DBusError error;
815 DBusMessageIter iter, sub, sub2, sub3;
816
817 assert(bus);
818 assert(path);
819
820 dbus_error_init(&error);
821
822 if (!(m = dbus_message_new_method_call(
823 "org.freedesktop.systemd1",
824 path,
825 "org.freedesktop.DBus.Properties",
826 "GetAll"))) {
827 log_error("Could not allocate message.");
828 r = -ENOMEM;
829 goto finish;
830 }
831
832 if (!dbus_message_append_args(m,
833 DBUS_TYPE_STRING, &interface,
834 DBUS_TYPE_INVALID)) {
835 log_error("Could not append arguments to message.");
836 r = -ENOMEM;
837 goto finish;
838 }
839
840 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 841 log_error("Failed to issue method call: %s", bus_error_message(&error));
4445a875
LP		 842 r = -EIO;
843 goto finish;
844 }
845
846 if (!dbus_message_iter_init(reply, &iter) ||
847 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
848 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
849 log_error("Failed to parse reply.");
850 r = -EIO;
851 goto finish;
852 }
853
854 dbus_message_iter_recurse(&iter, &sub);
855
856 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
857 const char *prop;
858
859 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
860 log_error("Failed to parse reply.");
861 r = -EIO;
862 goto finish;
863 }
864
865 dbus_message_iter_recurse(&sub, &sub2);
866
867 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
868 log_error("Failed to parse reply.");
869 r = -EIO;
870 goto finish;
871 }
872
873 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
874 log_error("Failed to parse reply.");
875 r = -EIO;
876 goto finish;
877 }
878
879 dbus_message_iter_recurse(&sub2, &sub3);
880
881 if (dot_one_property(name, prop, &sub3)) {
882 log_error("Failed to parse reply.");
883 r = -EIO;
884 goto finish;
885 }
886
887 dbus_message_iter_next(&sub);
888 }
889
e364ad06
LP		 890 r = 0;
891
4445a875
LP		 892finish:
893 if (m)
894 dbus_message_unref(m);
895
896 if (reply)
897 dbus_message_unref(reply);
898
899 dbus_error_free(&error);
900
901 return r;
902}
903
729e3769 904static int dot(DBusConnection *bus, char **args) {
4445a875
LP		 905 DBusMessage *m = NULL, *reply = NULL;
906 DBusError error;
907 int r;
908 DBusMessageIter iter, sub, sub2;
909
910 dbus_error_init(&error);
911
912 assert(bus);
913
914 if (!(m = dbus_message_new_method_call(
915 "org.freedesktop.systemd1",
916 "/org/freedesktop/systemd1",
917 "org.freedesktop.systemd1.Manager",
918 "ListUnits"))) {
919 log_error("Could not allocate message.");
920 return -ENOMEM;
921 }
922
923 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 924 log_error("Failed to issue method call: %s", bus_error_message(&error));
4445a875
LP		 925 r = -EIO;
926 goto finish;
927 }
928
929 if (!dbus_message_iter_init(reply, &iter) ||
930 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
931 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
932 log_error("Failed to parse reply.");
933 r = -EIO;
934 goto finish;
935 }
936
937 printf("digraph systemd {\n");
938
939 dbus_message_iter_recurse(&iter, &sub);
940 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
4a4d6b4b 941 const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path;
4445a875
LP		 942
943 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
944 log_error("Failed to parse reply.");
945 r = -EIO;
946 goto finish;
947 }
948
949 dbus_message_iter_recurse(&sub, &sub2);
950
951 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
952 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
953 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
954 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
955 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
4a4d6b4b 956 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
4445a875
LP		 957 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) {
958 log_error("Failed to parse reply.");
959 r = -EIO;
960 goto finish;
961 }
962
963 if ((r = dot_one(bus, id, unit_path)) < 0)
964 goto finish;
965
966 /* printf("\t\"%s\";\n", id); */
967 dbus_message_iter_next(&sub);
968 }
969
970 printf("}\n");
971
972 log_info(" Color legend: black = Requires\n"
973 " dark blue = Requisite\n"
974 " dark grey = Wants\n"
975 " red = Conflicts\n"
976 " green = After\n");
977
ef3a24de 978 if (on_tty())
4445a875
LP		 979 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
980 "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
7e4249b9
LP		 981
982 r = 0;
983
984finish:
985 if (m)
986 dbus_message_unref(m);
987
988 if (reply)
989 dbus_message_unref(reply);
990
991 dbus_error_free(&error);
992
993 return r;
994}
995
729e3769 996static int list_jobs(DBusConnection *bus, char **args) {
7e4249b9
LP		 997 DBusMessage *m = NULL, *reply = NULL;
998 DBusError error;
999 int r;
1000 DBusMessageIter iter, sub, sub2;
1001 unsigned k = 0;
1002
1003 dbus_error_init(&error);
1004
514f4ef5
LP		 1005 assert(bus);
1006
1968a360 1007 pager_open_if_enabled();
ec14911e 1008
7e4249b9
LP		 1009 if (!(m = dbus_message_new_method_call(
1010 "org.freedesktop.systemd1",
1011 "/org/freedesktop/systemd1",
1012 "org.freedesktop.systemd1.Manager",
1013 "ListJobs"))) {
1014 log_error("Could not allocate message.");
1015 return -ENOMEM;
1016 }
1017
1018 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1019 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 1020 r = -EIO;
1021 goto finish;
1022 }
1023
1024 if (!dbus_message_iter_init(reply, &iter) ||
1025 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
1026 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
1027 log_error("Failed to parse reply.");
1028 r = -EIO;
1029 goto finish;
1030 }
1031
1032 dbus_message_iter_recurse(&iter, &sub);
1033
ef3a24de 1034 if (on_tty())
f73e33d9 1035 printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
7e4249b9
LP		 1036
1037 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
1038 const char *name, *type, *state, *job_path, *unit_path;
1039 uint32_t id;
8fe914ec 1040 char *e;
7e4249b9
LP		 1041
1042 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
1043 log_error("Failed to parse reply.");
1044 r = -EIO;
1045 goto finish;
1046 }
1047
1048 dbus_message_iter_recurse(&sub, &sub2);
1049
1050 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
1051 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
1052 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
1053 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
1054 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
1055 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
1056 log_error("Failed to parse reply.");
1057 r = -EIO;
1058 goto finish;
1059 }
1060
f73e33d9
LP		 1061 e = arg_full ? NULL : ellipsize(name, 25, 33);
1062 printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
8fe914ec
LP		 1063 free(e);
1064
7e4249b9
LP		 1065 k++;
1066
1067 dbus_message_iter_next(&sub);
1068 }
1069
ef3a24de 1070 if (on_tty())
f73e33d9
LP		 1071 printf("\n%u jobs listed.\n", k);
1072
7e4249b9
LP		 1073 r = 0;
1074
1075finish:
1076 if (m)
1077 dbus_message_unref(m);
1078
1079 if (reply)
1080 dbus_message_unref(reply);
1081
1082 dbus_error_free(&error);
1083
1084 return r;
1085}
1086
729e3769 1087static int load_unit(DBusConnection *bus, char **args) {
f8440af5 1088 DBusMessage *m = NULL;
7e4249b9
LP		 1089 DBusError error;
1090 int r;
729e3769 1091 char **name;
7e4249b9
LP		 1092
1093 dbus_error_init(&error);
1094
514f4ef5
LP		 1095 assert(bus);
1096 assert(args);
1097
729e3769 1098 STRV_FOREACH(name, args+1) {
f8440af5 1099 DBusMessage *reply;
7e4249b9
LP		 1100
1101 if (!(m = dbus_message_new_method_call(
1102 "org.freedesktop.systemd1",
1103 "/org/freedesktop/systemd1",
1104 "org.freedesktop.systemd1.Manager",
1105 "LoadUnit"))) {
1106 log_error("Could not allocate message.");
1107 r = -ENOMEM;
1108 goto finish;
1109 }
1110
1111 if (!dbus_message_append_args(m,
729e3769 1112 DBUS_TYPE_STRING, name,
7e4249b9
LP		 1113 DBUS_TYPE_INVALID)) {
1114 log_error("Could not append arguments to message.");
1115 r = -ENOMEM;
1116 goto finish;
1117 }
1118
1119 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1120 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 1121 r = -EIO;
1122 goto finish;
1123 }
1124
1125 dbus_message_unref(m);
1126 dbus_message_unref(reply);
1127
1128 m = reply = NULL;
1129 }
1130
1131 r = 0;
1132
1133finish:
1134 if (m)
1135 dbus_message_unref(m);
1136
7e4249b9
LP		 1137 dbus_error_free(&error);
1138
1139 return r;
1140}
1141
729e3769 1142static int cancel_job(DBusConnection *bus, char **args) {
7e4249b9
LP		 1143 DBusMessage *m = NULL, *reply = NULL;
1144 DBusError error;
1145 int r;
729e3769 1146 char **name;
7e4249b9
LP		 1147
1148 dbus_error_init(&error);
1149
514f4ef5
LP		 1150 assert(bus);
1151 assert(args);
1152
729e3769
LP		 1153 if (strv_length(args) <= 1)
1154 return daemon_reload(bus, args);
ee5762e3 1155
729e3769 1156 STRV_FOREACH(name, args+1) {
7e4249b9
LP		 1157 unsigned id;
1158 const char *path;
1159
1160 if (!(m = dbus_message_new_method_call(
1161 "org.freedesktop.systemd1",
1162 "/org/freedesktop/systemd1",
1163 "org.freedesktop.systemd1.Manager",
1164 "GetJob"))) {
1165 log_error("Could not allocate message.");
1166 r = -ENOMEM;
1167 goto finish;
1168 }
1169
729e3769 1170 if ((r = safe_atou(*name, &id)) < 0) {
7e4249b9
LP		 1171 log_error("Failed to parse job id: %s", strerror(-r));
1172 goto finish;
1173 }
1174
1175 assert_cc(sizeof(uint32_t) == sizeof(id));
1176 if (!dbus_message_append_args(m,
1177 DBUS_TYPE_UINT32, &id,
1178 DBUS_TYPE_INVALID)) {
1179 log_error("Could not append arguments to message.");
1180 r = -ENOMEM;
1181 goto finish;
1182 }
1183
1184 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1185 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 1186 r = -EIO;
1187 goto finish;
1188 }
1189
1190 if (!dbus_message_get_args(reply, &error,
1191 DBUS_TYPE_OBJECT_PATH, &path,
1192 DBUS_TYPE_INVALID)) {
4cf5d675 1193 log_error("Failed to parse reply: %s", bus_error_message(&error));
7e4249b9
LP		 1194 r = -EIO;
1195 goto finish;
1196 }
1197
1198 dbus_message_unref(m);
1199 if (!(m = dbus_message_new_method_call(
1200 "org.freedesktop.systemd1",
1201 path,
1202 "org.freedesktop.systemd1.Job",
1203 "Cancel"))) {
1204 log_error("Could not allocate message.");
1205 r = -ENOMEM;
1206 goto finish;
1207 }
1208
1209 dbus_message_unref(reply);
1210 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1211 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 1212 r = -EIO;
1213 goto finish;
1214 }
1215
1216 dbus_message_unref(m);
1217 dbus_message_unref(reply);
1218 m = reply = NULL;
1219 }
1220
1221 r = 0;
1222
1223finish:
1224 if (m)
1225 dbus_message_unref(m);
1226
1227 if (reply)
1228 dbus_message_unref(reply);
1229
1230 dbus_error_free(&error);
1231
1232 return r;
1233}
1234
ee5762e3 1235static bool need_daemon_reload(DBusConnection *bus, const char *unit) {
e364ad06 1236 DBusMessage *m = NULL, *reply = NULL;
45fb0699
LP		 1237 dbus_bool_t b = FALSE;
1238 DBusMessageIter iter, sub;
1239 const char
1240 *interface = "org.freedesktop.systemd1.Unit",
1241 *property = "NeedDaemonReload",
1242 *path;
1243
1244 /* We ignore all errors here, since this is used to show a warning only */
1245
1246 if (!(m = dbus_message_new_method_call(
1247 "org.freedesktop.systemd1",
1248 "/org/freedesktop/systemd1",
1249 "org.freedesktop.systemd1.Manager",
1250 "GetUnit")))
1251 goto finish;
1252
1253 if (!dbus_message_append_args(m,
1254 DBUS_TYPE_STRING, &unit,
1255 DBUS_TYPE_INVALID))
1256 goto finish;
1257
1258 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
1259 goto finish;
1260
1261 if (!dbus_message_get_args(reply, NULL,
1262 DBUS_TYPE_OBJECT_PATH, &path,
1263 DBUS_TYPE_INVALID))
1264 goto finish;
1265
1266 dbus_message_unref(m);
1267 if (!(m = dbus_message_new_method_call(
1268 "org.freedesktop.systemd1",
1269 path,
1270 "org.freedesktop.DBus.Properties",
1271 "Get")))
1272 goto finish;
1273
1274 if (!dbus_message_append_args(m,
1275 DBUS_TYPE_STRING, &interface,
1276 DBUS_TYPE_STRING, &property,
1277 DBUS_TYPE_INVALID)) {
1278 goto finish;
1279 }
1280
1281 dbus_message_unref(reply);
1282 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
1283 goto finish;
1284
1285 if (!dbus_message_iter_init(reply, &iter) ||
1286 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
1287 goto finish;
1288
1289 dbus_message_iter_recurse(&iter, &sub);
1290
1291 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
1292 goto finish;
1293
1294 dbus_message_iter_get_basic(&sub, &b);
1295
1296finish:
1297 if (m)
1298 dbus_message_unref(m);
1299
1300 if (reply)
1301 dbus_message_unref(reply);
1302
1303 return b;
1304}
1305
5e374895
LP		 1306typedef struct WaitData {
1307 Set *set;
5d44db4a 1308 char *result;
5e374895
LP		 1309} WaitData;
1310
7e4249b9
LP		 1311static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
1312 DBusError error;
5e374895 1313 WaitData *d = data;
7e4249b9
LP		 1314
1315 assert(connection);
1316 assert(message);
5e374895 1317 assert(d);
7e4249b9
LP		 1318
1319 dbus_error_init(&error);
1320
54165a39
LP		 1321 log_debug("Got D-Bus request: %s.%s() on %s",
1322 dbus_message_get_interface(message),
1323 dbus_message_get_member(message),
1324 dbus_message_get_path(message));
7e4249b9
LP		 1325
1326 if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
1327 log_error("Warning! D-Bus connection terminated.");
1328 dbus_connection_close(connection);
1329
1330 } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
1331 uint32_t id;
5d44db4a 1332 const char *path, *result;
5e374895 1333 dbus_bool_t success = true;
7e4249b9 1334
5d44db4a
LP		 1335 if (dbus_message_get_args(message, &error,
1336 DBUS_TYPE_UINT32, &id,
1337 DBUS_TYPE_OBJECT_PATH, &path,
1338 DBUS_TYPE_STRING, &result,
1339 DBUS_TYPE_INVALID)) {
7e4249b9
LP		 1340 char *p;
1341
5d44db4a
LP		 1342 if ((p = set_remove(d->set, (char*) path)))
1343 free(p);
1344
1345 if (*result)
1346 d->result = strdup(result);
1347
1348 goto finish;
1349 }
1350#ifndef LEGACY
1351 dbus_error_free(&error);
1352
1353 if (dbus_message_get_args(message, &error,
1354 DBUS_TYPE_UINT32, &id,
1355 DBUS_TYPE_OBJECT_PATH, &path,
1356 DBUS_TYPE_BOOLEAN, &success,
1357 DBUS_TYPE_INVALID)) {
1358 char *p;
1359
1360 /* Compatibility with older systemd versions <
1361 * 19 during upgrades. This should be dropped
1362 * one day */
1363
5e374895 1364 if ((p = set_remove(d->set, (char*) path)))
7e4249b9 1365 free(p);
5e374895
LP		 1366
1367 if (!success)
5d44db4a
LP		 1368 d->result = strdup("failed");
1369
1370 goto finish;
7e4249b9 1371 }
5d44db4a
LP		 1372#endif
1373
1374 log_error("Failed to parse message: %s", bus_error_message(&error));
7e4249b9
LP		 1375 }
1376
5d44db4a 1377finish:
7e4249b9
LP		 1378 dbus_error_free(&error);
1379 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1380}
1381
479ef5d3 1382static int enable_wait_for_jobs(DBusConnection *bus) {
7e4249b9 1383 DBusError error;
7e4249b9
LP		 1384
1385 assert(bus);
7e4249b9 1386
f4579ce7
LP		 1387 if (private_bus)
1388 return 0;
1389
7e4249b9 1390 dbus_error_init(&error);
7e4249b9
LP		 1391 dbus_bus_add_match(bus,
1392 "type='signal',"
1393 "sender='org.freedesktop.systemd1',"
1394 "interface='org.freedesktop.systemd1.Manager',"
1395 "member='JobRemoved',"
1396 "path='/org/freedesktop/systemd1'",
1397 &error);
1398
1399 if (dbus_error_is_set(&error)) {
4cf5d675 1400 log_error("Failed to add match: %s", bus_error_message(&error));
a567261a
LP		 1401 dbus_error_free(&error);
1402 return -EIO;
7e4249b9
LP		 1403 }
1404
479ef5d3 1405 /* This is slightly dirty, since we don't undo the match registrations. */
a567261a 1406 return 0;
7e4249b9
LP		 1407}
1408
479ef5d3
LP		 1409static int wait_for_jobs(DBusConnection *bus, Set *s) {
1410 int r;
5e374895 1411 WaitData d;
479ef5d3
LP		 1412
1413 assert(bus);
1414 assert(s);
1415
5e374895
LP		 1416 zero(d);
1417 d.set = s;
5e374895
LP		 1418
1419 if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) {
479ef5d3
LP		 1420 log_error("Failed to add filter.");
1421 r = -ENOMEM;
1422 goto finish;
1423 }
1424
1425 while (!set_isempty(s) &&
1426 dbus_connection_read_write_dispatch(bus, -1))
1427 ;
1428
5d44db4a
LP		 1429 if (!arg_quiet && d.result) {
1430 if (streq(d.result, "timeout"))
1431 log_error("Job timed out.");
1432 else if (streq(d.result, "canceled"))
1433 log_error("Job canceled.");
1434 else if (streq(d.result, "dependency"))
1435 log_error("A dependency job failed. See system logs for details.");
d68201e9 1436 else if (!streq(d.result, "done") && !streq(d.result, "skipped"))
5d44db4a
LP		 1437 log_error("Job failed. See system logs and 'systemctl status' for details.");
1438 }
5e374895 1439
8e20e31a
LP		 1440 if (streq_ptr(d.result, "timeout"))
1441 r = -ETIME;
1442 else if (streq_ptr(d.result, "canceled"))
1443 r = -ECANCELED;
d68201e9 1444 else if (!streq_ptr(d.result, "done") && !streq_ptr(d.result, "skipped"))
8e20e31a
LP		 1445 r = -EIO;
1446 else
1447 r = 0;
1448
5d44db4a 1449 free(d.result);
479ef5d3
LP		 1450
1451finish:
1452 /* This is slightly dirty, since we don't undo the filter registration. */
1453
1454 return r;
1455}
1456
e4b61340
LP		 1457static int start_unit_one(
1458 DBusConnection *bus,
1459 const char *method,
1460 const char *name,
1461 const char *mode,
22f4096c 1462 DBusError *error,
e4b61340 1463 Set *s) {
7e4249b9 1464
7e4249b9 1465 DBusMessage *m = NULL, *reply = NULL;
45fb0699 1466 const char *path;
7e4249b9 1467 int r;
7e4249b9 1468
e4b61340
LP		 1469 assert(bus);
1470 assert(method);
1471 assert(name);
1472 assert(mode);
22f4096c 1473 assert(error);
6e905d93 1474 assert(arg_no_block || s);
7e4249b9
LP		 1475
1476 if (!(m = dbus_message_new_method_call(
1477 "org.freedesktop.systemd1",
1478 "/org/freedesktop/systemd1",
1479 "org.freedesktop.systemd1.Manager",
e4b61340 1480 method))) {
7e4249b9
LP		 1481 log_error("Could not allocate message.");
1482 r = -ENOMEM;
1483 goto finish;
1484 }
1485
1486 if (!dbus_message_append_args(m,
e4b61340 1487 DBUS_TYPE_STRING, &name,
7e4249b9
LP		 1488 DBUS_TYPE_STRING, &mode,
1489 DBUS_TYPE_INVALID)) {
1490 log_error("Could not append arguments to message.");
1491 r = -ENOMEM;
1492 goto finish;
1493 }
1494
22f4096c 1495 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error))) {
e4b61340 1496
22f4096c 1497 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(error)) {
e4b61340
LP		 1498 /* There's always a fallback possible for
1499 * legacy actions. */
706900b7 1500 r = -EADDRNOTAVAIL;
e4b61340
LP		 1501 goto finish;
1502 }
1503
22f4096c 1504 log_error("Failed to issue method call: %s", bus_error_message(error));
7e4249b9
LP		 1505 r = -EIO;
1506 goto finish;
1507 }
1508
22f4096c 1509 if (!dbus_message_get_args(reply, error,
45fb0699
LP		 1510 DBUS_TYPE_OBJECT_PATH, &path,
1511 DBUS_TYPE_INVALID)) {
22f4096c 1512 log_error("Failed to parse reply: %s", bus_error_message(error));
45fb0699
LP		 1513 r = -EIO;
1514 goto finish;
1515 }
1516
ee5762e3 1517 if (need_daemon_reload(bus, name))
729e3769
LP		 1518 log_warning("Warning: Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
1519 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
45fb0699 1520
6e905d93 1521 if (!arg_no_block) {
e4b61340 1522 char *p;
7e4249b9 1523
7e4249b9
LP		 1524 if (!(p = strdup(path))) {
1525 log_error("Failed to duplicate path.");
1526 r = -ENOMEM;
1527 goto finish;
1528 }
1529
1530 if ((r = set_put(s, p)) < 0) {
e4b61340 1531 free(p);
7e4249b9
LP		 1532 log_error("Failed to add path to set.");
1533 goto finish;
1534 }
e4b61340 1535 }
7e4249b9 1536
706900b7 1537 r = 0;
22f4096c 1538
7e4249b9 1539finish:
7e4249b9
LP		 1540 if (m)
1541 dbus_message_unref(m);
1542
1543 if (reply)
1544 dbus_message_unref(reply);
1545
7e4249b9
LP		 1546 return r;
1547}
1548
514f4ef5
LP		 1549static enum action verb_to_action(const char *verb) {
1550 if (streq(verb, "halt"))
1551 return ACTION_HALT;
1552 else if (streq(verb, "poweroff"))
1553 return ACTION_POWEROFF;
1554 else if (streq(verb, "reboot"))
1555 return ACTION_REBOOT;
20b09ca7
LP		 1556 else if (streq(verb, "kexec"))
1557 return ACTION_KEXEC;
514f4ef5
LP		 1558 else if (streq(verb, "rescue"))
1559 return ACTION_RESCUE;
1560 else if (streq(verb, "emergency"))
1561 return ACTION_EMERGENCY;
1562 else if (streq(verb, "default"))
1563 return ACTION_DEFAULT;
20b09ca7
LP		 1564 else if (streq(verb, "exit"))
1565 return ACTION_EXIT;
514f4ef5
LP		 1566 else
1567 return ACTION_INVALID;
1568}
1569
729e3769 1570static int start_unit(DBusConnection *bus, char **args) {
e4b61340
LP		 1571
1572 static const char * const table[_ACTION_MAX] = {
514f4ef5
LP		 1573 [ACTION_HALT] = SPECIAL_HALT_TARGET,
1574 [ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET,
1575 [ACTION_REBOOT] = SPECIAL_REBOOT_TARGET,
20b09ca7 1576 [ACTION_KEXEC] = SPECIAL_KEXEC_TARGET,
514f4ef5
LP		 1577 [ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET,
1578 [ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET,
1579 [ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
1580 [ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
1581 [ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
f057408c 1582 [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
20b09ca7
LP		 1583 [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET,
1584 [ACTION_EXIT] = SPECIAL_EXIT_TARGET
e4b61340
LP		 1585 };
1586
22f4096c 1587 int r, ret = 0;
514f4ef5 1588 const char *method, *mode, *one_name;
e4b61340 1589 Set *s = NULL;
22f4096c 1590 DBusError error;
729e3769 1591 char **name;
22f4096c
LP		 1592
1593 dbus_error_init(&error);
e4b61340 1594
514f4ef5
LP		 1595 assert(bus);
1596
729e3769 1597 agent_open_if_enabled();
501fc174 1598
e4b61340
LP		 1599 if (arg_action == ACTION_SYSTEMCTL) {
1600 method =
a76f7be2
LP		 1601 streq(args[0], "stop") ||
1602 streq(args[0], "condstop") ? "StopUnit" :
6f28c033
LP		 1603 streq(args[0], "reload") ? "ReloadUnit" :
1604 streq(args[0], "restart") ? "RestartUnit" :
d68201e9 1605
aa5939a3
MS		 1606 streq(args[0], "try-restart") ||
1607 streq(args[0], "condrestart") ? "TryRestartUnit" :
d68201e9 1608
6f28c033 1609 streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
d68201e9 1610
9d8a57ff 1611 streq(args[0], "reload-or-try-restart") ||
64e5f1b7 1612 streq(args[0], "condreload") ||
d68201e9 1613
aa5939a3 1614 streq(args[0], "force-reload") ? "ReloadOrTryRestartUnit" :
6f28c033 1615 "StartUnit";
e4b61340
LP		 1616
1617 mode =
514f4ef5
LP		 1618 (streq(args[0], "isolate") ||
1619 streq(args[0], "rescue") ||
e67c3609 1620 streq(args[0], "emergency")) ? "isolate" : arg_job_mode;
e4b61340 1621
514f4ef5 1622 one_name = table[verb_to_action(args[0])];
e4b61340 1623
e4b61340
LP		 1624 } else {
1625 assert(arg_action < ELEMENTSOF(table));
1626 assert(table[arg_action]);
1627
1628 method = "StartUnit";
514f4ef5
LP		 1629
1630 mode = (arg_action == ACTION_EMERGENCY ||
6f0d624e
LP		 1631 arg_action == ACTION_RESCUE ||
1632 arg_action == ACTION_RUNLEVEL2 ||
1633 arg_action == ACTION_RUNLEVEL3 ||
1634 arg_action == ACTION_RUNLEVEL4 ||
1635 arg_action == ACTION_RUNLEVEL5) ? "isolate" : "replace";
514f4ef5
LP		 1636
1637 one_name = table[arg_action];
1638 }
1639
6e905d93 1640 if (!arg_no_block) {
22f4096c
LP		 1641 if ((ret = enable_wait_for_jobs(bus)) < 0) {
1642 log_error("Could not watch jobs: %s", strerror(-ret));
514f4ef5
LP		 1643 goto finish;
1644 }
1645
1646 if (!(s = set_new(string_hash_func, string_compare_func))) {
1647 log_error("Failed to allocate set.");
22f4096c 1648 ret = -ENOMEM;
514f4ef5
LP		 1649 goto finish;
1650 }
e4b61340
LP		 1651 }
1652
514f4ef5 1653 if (one_name) {
22f4096c 1654 if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0)
514f4ef5
LP		 1655 goto finish;
1656 } else {
729e3769
LP		 1657 STRV_FOREACH(name, args+1)
1658 if ((r = start_unit_one(bus, method, *name, mode, &error, s)) != 0) {
706900b7 1659 ret = translate_bus_error_to_exit_status(r, &error);
22f4096c
LP		 1660 dbus_error_free(&error);
1661 }
e4b61340
LP		 1662 }
1663
6e905d93 1664 if (!arg_no_block)
22f4096c
LP		 1665 if ((r = wait_for_jobs(bus, s)) < 0) {
1666 ret = r;
fbc43921 1667 goto finish;
22f4096c 1668 }
514f4ef5 1669
e4b61340
LP		 1670finish:
1671 if (s)
1672 set_free_free(s);
1673
22f4096c
LP		 1674 dbus_error_free(&error);
1675
1676 return ret;
e4b61340
LP		 1677}
1678
729e3769 1679static int start_special(DBusConnection *bus, char **args) {
983d9c90
LP		 1680 int r;
1681
514f4ef5
LP		 1682 assert(bus);
1683 assert(args);
1684
20b09ca7
LP		 1685 if (arg_force &&
1686 (streq(args[0], "halt") ||
1687 streq(args[0], "poweroff") ||
1688 streq(args[0], "reboot") ||
1689 streq(args[0], "kexec") ||
1690 streq(args[0], "exit")))
729e3769 1691 return daemon_reload(bus, args);
20b09ca7 1692
729e3769 1693 r = start_unit(bus, args);
983d9c90
LP		 1694
1695 if (r >= 0)
1696 warn_wall(verb_to_action(args[0]));
514f4ef5 1697
983d9c90 1698 return r;
514f4ef5
LP		 1699}
1700
729e3769 1701static int check_unit(DBusConnection *bus, char **args) {
0183528f
LP		 1702 DBusMessage *m = NULL, *reply = NULL;
1703 const char
1704 *interface = "org.freedesktop.systemd1.Unit",
1705 *property = "ActiveState";
22f4096c 1706 int r = 3; /* According to LSB: "program is not running" */
0183528f 1707 DBusError error;
729e3769 1708 char **name;
0183528f
LP		 1709
1710 assert(bus);
1711 assert(args);
1712
1713 dbus_error_init(&error);
1714
729e3769 1715 STRV_FOREACH(name, args+1) {
0183528f
LP		 1716 const char *path = NULL;
1717 const char *state;
1718 DBusMessageIter iter, sub;
1719
1720 if (!(m = dbus_message_new_method_call(
1721 "org.freedesktop.systemd1",
1722 "/org/freedesktop/systemd1",
1723 "org.freedesktop.systemd1.Manager",
1724 "GetUnit"))) {
1725 log_error("Could not allocate message.");
1726 r = -ENOMEM;
1727 goto finish;
1728 }
1729
1730 if (!dbus_message_append_args(m,
729e3769 1731 DBUS_TYPE_STRING, name,
0183528f
LP		 1732 DBUS_TYPE_INVALID)) {
1733 log_error("Could not append arguments to message.");
1734 r = -ENOMEM;
1735 goto finish;
1736 }
1737
1738 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1739
1740 /* Hmm, cannot figure out anything about this unit... */
1741 if (!arg_quiet)
1742 puts("unknown");
1743
ed2d7a44 1744 dbus_error_free(&error);
8a0867d6 1745 dbus_message_unref(m);
78e39b43 1746 m = NULL;
0183528f
LP		 1747 continue;
1748 }
1749
1750 if (!dbus_message_get_args(reply, &error,
1751 DBUS_TYPE_OBJECT_PATH, &path,
1752 DBUS_TYPE_INVALID)) {
4cf5d675 1753 log_error("Failed to parse reply: %s", bus_error_message(&error));
0183528f
LP		 1754 r = -EIO;
1755 goto finish;
1756 }
1757
1758 dbus_message_unref(m);
1759 if (!(m = dbus_message_new_method_call(
1760 "org.freedesktop.systemd1",
1761 path,
1762 "org.freedesktop.DBus.Properties",
1763 "Get"))) {
1764 log_error("Could not allocate message.");
1765 r = -ENOMEM;
1766 goto finish;
1767 }
1768
1769 if (!dbus_message_append_args(m,
1770 DBUS_TYPE_STRING, &interface,
1771 DBUS_TYPE_STRING, &property,
1772 DBUS_TYPE_INVALID)) {
1773 log_error("Could not append arguments to message.");
1774 r = -ENOMEM;
1775 goto finish;
1776 }
1777
1778 dbus_message_unref(reply);
1779 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 1780 log_error("Failed to issue method call: %s", bus_error_message(&error));
0183528f
LP		 1781 r = -EIO;
1782 goto finish;
1783 }
1784
1785 if (!dbus_message_iter_init(reply, &iter) ||
1786 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
1787 log_error("Failed to parse reply.");
1788 r = -EIO;
1789 goto finish;
1790 }
1791
1792 dbus_message_iter_recurse(&iter, &sub);
1793
1794 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
1795 log_error("Failed to parse reply.");
1796 r = -EIO;
1797 goto finish;
1798 }
1799
1800 dbus_message_iter_get_basic(&sub, &state);
1801
1802 if (!arg_quiet)
1803 puts(state);
1804
f1e36d67 1805 if (streq(state, "active") || streq(state, "reloading"))
0183528f
LP		 1806 r = 0;
1807
1808 dbus_message_unref(m);
1809 dbus_message_unref(reply);
1810 m = reply = NULL;
1811 }
1812
1813finish:
1814 if (m)
1815 dbus_message_unref(m);
1816
1817 if (reply)
1818 dbus_message_unref(reply);
1819
1820 dbus_error_free(&error);
1821
1822 return r;
48220598
LP		 1823}
1824
729e3769 1825static int kill_unit(DBusConnection *bus, char **args) {
f8440af5 1826 DBusMessage *m = NULL;
8a0867d6
LP		 1827 int r = 0;
1828 DBusError error;
729e3769 1829 char **name;
8a0867d6
LP		 1830
1831 assert(bus);
1832 assert(args);
1833
1834 dbus_error_init(&error);
1835
1836 if (!arg_kill_who)
1837 arg_kill_who = "all";
1838
1839 if (!arg_kill_mode)
1840 arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process";
1841
729e3769 1842 STRV_FOREACH(name, args+1) {
f8440af5 1843 DBusMessage *reply;
8a0867d6
LP		 1844
1845 if (!(m = dbus_message_new_method_call(
1846 "org.freedesktop.systemd1",
1847 "/org/freedesktop/systemd1",
1848 "org.freedesktop.systemd1.Manager",
1849 "KillUnit"))) {
1850 log_error("Could not allocate message.");
1851 r = -ENOMEM;
1852 goto finish;
1853 }
1854
1855 if (!dbus_message_append_args(m,
729e3769 1856 DBUS_TYPE_STRING, name,
8a0867d6
LP		 1857 DBUS_TYPE_STRING, &arg_kill_who,
1858 DBUS_TYPE_STRING, &arg_kill_mode,
1859 DBUS_TYPE_INT32, &arg_signal,
1860 DBUS_TYPE_INVALID)) {
1861 log_error("Could not append arguments to message.");
1862 r = -ENOMEM;
1863 goto finish;
1864 }
1865
1866 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1867 log_error("Failed to issue method call: %s", bus_error_message(&error));
1868 dbus_error_free(&error);
1869 r = -EIO;
1870 }
1871
1872 dbus_message_unref(m);
1873
1874 if (reply)
1875 dbus_message_unref(reply);
1876 m = reply = NULL;
1877 }
1878
1879finish:
1880 if (m)
1881 dbus_message_unref(m);
1882
8a0867d6
LP		 1883 dbus_error_free(&error);
1884
1885 return r;
1886}
1887
582a507f 1888typedef struct ExecStatusInfo {
0129173a
LP		 1889 char *name;
1890
582a507f
LP		 1891 char *path;
1892 char **argv;
1893
b708e7ce
LP		 1894 bool ignore;
1895
582a507f
LP		 1896 usec_t start_timestamp;
1897 usec_t exit_timestamp;
1898 pid_t pid;
1899 int code;
1900 int status;
1901
1902 LIST_FIELDS(struct ExecStatusInfo, exec);
1903} ExecStatusInfo;
1904
1905static void exec_status_info_free(ExecStatusInfo *i) {
1906 assert(i);
1907
0129173a 1908 free(i->name);
582a507f
LP		 1909 free(i->path);
1910 strv_free(i->argv);
1911 free(i);
1912}
1913
1914static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) {
b21a0ef8 1915 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
582a507f
LP		 1916 DBusMessageIter sub2, sub3;
1917 const char*path;
1918 unsigned n;
1919 uint32_t pid;
1920 int32_t code, status;
b708e7ce 1921 dbus_bool_t ignore;
582a507f
LP		 1922
1923 assert(i);
1924 assert(i);
1925
1926 if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
1927 return -EIO;
1928
1929 dbus_message_iter_recurse(sub, &sub2);
1930
1931 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
1932 return -EIO;
1933
1934 if (!(i->path = strdup(path)))
1935 return -ENOMEM;
1936
1937 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
1938 dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
1939 return -EIO;
1940
1941 n = 0;
1942 dbus_message_iter_recurse(&sub2, &sub3);
1943 while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
1944 assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
1945 dbus_message_iter_next(&sub3);
1946 n++;
1947 }
1948
1949
1950 if (!(i->argv = new0(char*, n+1)))
1951 return -ENOMEM;
1952
1953 n = 0;
1954 dbus_message_iter_recurse(&sub2, &sub3);
1955 while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
1956 const char *s;
1957
1958 assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
1959 dbus_message_iter_get_basic(&sub3, &s);
1960 dbus_message_iter_next(&sub3);
1961
1962 if (!(i->argv[n++] = strdup(s)))
1963 return -ENOMEM;
1964 }
1965
1966 if (!dbus_message_iter_next(&sub2) ||
b708e7ce 1967 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 ||
582a507f 1968 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
b21a0ef8 1969 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp_monotonic, true) < 0 ||
582a507f 1970 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
b21a0ef8 1971 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp_monotonic, true) < 0 ||
582a507f
LP		 1972 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
1973 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 ||
1974 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
1975 return -EIO;
1976
b708e7ce 1977 i->ignore = ignore;
582a507f
LP		 1978 i->start_timestamp = (usec_t) start_timestamp;
1979 i->exit_timestamp = (usec_t) exit_timestamp;
1980 i->pid = (pid_t) pid;
1981 i->code = code;
1982 i->status = status;
1983
1984 return 0;
1985}
1986
61cbdc4b
LP		 1987typedef struct UnitStatusInfo {
1988 const char *id;
1989 const char *load_state;
1990 const char *active_state;
1991 const char *sub_state;
a4375746 1992 const char *unit_file_state;
61cbdc4b
LP		 1993
1994 const char *description;
4a9e2fff 1995 const char *following;
61cbdc4b 1996
c31b4423 1997 const char *path;
61cbdc4b
LP		 1998 const char *default_control_group;
1999
9f39404c
LP		 2000 const char *load_error;
2001
584be568
LP		 2002 usec_t inactive_exit_timestamp;
2003 usec_t active_enter_timestamp;
2004 usec_t active_exit_timestamp;
2005 usec_t inactive_enter_timestamp;
2006
45fb0699
LP		 2007 bool need_daemon_reload;
2008
61cbdc4b
LP		 2009 /* Service */
2010 pid_t main_pid;
2011 pid_t control_pid;
2012 const char *status_text;
d06dacd0 2013 bool running:1;
07459bb6 2014#ifdef HAVE_SYSV_COMPAT
d06dacd0 2015 bool is_sysv:1;
07459bb6 2016#endif
61cbdc4b
LP		 2017
2018 usec_t start_timestamp;
2019 usec_t exit_timestamp;
2020
2021 int exit_code, exit_status;
2022
90bbc946
LP		 2023 usec_t condition_timestamp;
2024 bool condition_result;
2025
61cbdc4b
LP		 2026 /* Socket */
2027 unsigned n_accepted;
2028 unsigned n_connections;
b8131a87 2029 bool accept;
61cbdc4b
LP		 2030
2031 /* Device */
2032 const char *sysfs_path;
2033
2034 /* Mount, Automount */
2035 const char *where;
2036
2037 /* Swap */
2038 const char *what;
582a507f
LP		 2039
2040 LIST_HEAD(ExecStatusInfo, exec);
61cbdc4b
LP		 2041} UnitStatusInfo;
2042
2043static void print_status_info(UnitStatusInfo *i) {
582a507f 2044 ExecStatusInfo *p;
2ee68f72 2045 const char *on, *off, *ss;
584be568
LP		 2046 usec_t timestamp;
2047 char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
2048 char since2[FORMAT_TIMESTAMP_MAX], *s2;
582a507f 2049
61cbdc4b
LP		 2050 assert(i);
2051
2052 /* This shows pretty information about a unit. See
2053 * print_property() for a low-level property printer */
2054
2055 printf("%s", strna(i->id));
2056
2057 if (i->description && !streq_ptr(i->id, i->description))
2058 printf(" - %s", i->description);
2059
2060 printf("\n");
2061
4a9e2fff
LP		 2062 if (i->following)
2063 printf("\t Follow: unit currently follows state of %s\n", i->following);
2064
f7b9e331 2065 if (streq_ptr(i->load_state, "error")) {
c31b4423
LP		 2066 on = ansi_highlight(true);
2067 off = ansi_highlight(false);
2068 } else
2069 on = off = "";
2070
9f39404c
LP		 2071 if (i->load_error)
2072 printf("\t Loaded: %s%s%s (Reason: %s)\n", on, strna(i->load_state), off, i->load_error);
a4375746
LP		 2073 else if (i->path && i->unit_file_state)
2074 printf("\t Loaded: %s%s%s (%s; %s)\n", on, strna(i->load_state), off, i->path, i->unit_file_state);
9f39404c 2075 else if (i->path)
c31b4423 2076 printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path);
61cbdc4b 2077 else
c31b4423 2078 printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off);
61cbdc4b 2079
2ee68f72
LP		 2080 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
2081
fdf20a31 2082 if (streq_ptr(i->active_state, "failed")) {
2ee68f72
LP		 2083 on = ansi_highlight(true);
2084 off = ansi_highlight(false);
2085 } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
2086 on = ansi_highlight_green(true);
2087 off = ansi_highlight_green(false);
2088 } else
2089 on = off = "";
2090
2091 if (ss)
584be568 2092 printf("\t Active: %s%s (%s)%s",
2ee68f72
LP		 2093 on,
2094 strna(i->active_state),
2095 ss,
2096 off);
2097 else
584be568 2098 printf("\t Active: %s%s%s",
2ee68f72
LP		 2099 on,
2100 strna(i->active_state),
2101 off);
61cbdc4b 2102
584be568
LP		 2103 timestamp = (streq_ptr(i->active_state, "active") ||
2104 streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
2105 (streq_ptr(i->active_state, "inactive") ||
fdf20a31 2106 streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
584be568
LP		 2107 streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
2108 i->active_exit_timestamp;
2109
2110 s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp);
2111 s2 = format_timestamp(since2, sizeof(since2), timestamp);
2112
2113 if (s1)
538da63d 2114 printf(" since %s; %s\n", s2, s1);
584be568 2115 else if (s2)
538da63d 2116 printf(" since %s\n", s2);
584be568
LP		 2117 else
2118 printf("\n");
2119
90bbc946
LP		 2120 if (!i->condition_result && i->condition_timestamp > 0) {
2121 s1 = format_timestamp_pretty(since1, sizeof(since1), i->condition_timestamp);
2122 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
2123
2124 if (s1)
2125 printf("\t start condition failed at %s; %s\n", s2, s1);
2126 else if (s2)
2127 printf("\t start condition failed at %s\n", s2);
2128 }
2129
61cbdc4b
LP		 2130 if (i->sysfs_path)
2131 printf("\t Device: %s\n", i->sysfs_path);
9feeba4b 2132 if (i->where)
61cbdc4b 2133 printf("\t Where: %s\n", i->where);
9feeba4b 2134 if (i->what)
61cbdc4b
LP		 2135 printf("\t What: %s\n", i->what);
2136
b8131a87 2137 if (i->accept)
61cbdc4b
LP		 2138 printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
2139
582a507f
LP		 2140 LIST_FOREACH(exec, p, i->exec) {
2141 char *t;
9a57c629 2142 bool good;
582a507f
LP		 2143
2144 /* Only show exited processes here */
2145 if (p->code == 0)
2146 continue;
2147
2148 t = strv_join(p->argv, " ");
9a57c629 2149 printf("\t Process: %u %s=%s ", p->pid, p->name, strna(t));
582a507f
LP		 2150 free(t);
2151
9a57c629
LP		 2152#ifdef HAVE_SYSV_COMPAT
2153 if (i->is_sysv)
2154 good = is_clean_exit_lsb(p->code, p->status);
2155 else
2156#endif
2157 good = is_clean_exit(p->code, p->status);
2158
2159 if (!good) {
2160 on = ansi_highlight(true);
2161 off = ansi_highlight(false);
2162 } else
2163 on = off = "";
2164
2165 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
2166
d06dacd0
LP		 2167 if (p->code == CLD_EXITED) {
2168 const char *c;
2169
582a507f 2170 printf("status=%i", p->status);
d06dacd0 2171
07459bb6 2172#ifdef HAVE_SYSV_COMPAT
d06dacd0 2173 if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
07459bb6
FF		 2174#else
2175 if ((c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD)))
2176#endif
d06dacd0
LP		 2177 printf("/%s", c);
2178
2179 } else
582a507f 2180 printf("signal=%s", signal_to_string(p->status));
9a57c629
LP		 2181
2182 printf(")%s\n", off);
2183
582a507f
LP		 2184 if (i->main_pid == p->pid &&
2185 i->start_timestamp == p->start_timestamp &&
2186 i->exit_timestamp == p->start_timestamp)
2187 /* Let's not show this twice */
2188 i->main_pid = 0;
2189
2190 if (p->pid == i->control_pid)
2191 i->control_pid = 0;
2192 }
2193
61cbdc4b
LP		 2194 if (i->main_pid > 0 || i->control_pid > 0) {
2195 printf("\t");
2196
2197 if (i->main_pid > 0) {
f3d41013 2198 printf("Main PID: %u", (unsigned) i->main_pid);
61cbdc4b
LP		 2199
2200 if (i->running) {
2201 char *t = NULL;
2202 get_process_name(i->main_pid, &t);
2203 if (t) {
2204 printf(" (%s)", t);
2205 free(t);
2206 }
6d4fc029 2207 } else if (i->exit_code > 0) {
61cbdc4b
LP		 2208 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
2209
d06dacd0
LP		 2210 if (i->exit_code == CLD_EXITED) {
2211 const char *c;
2212
61cbdc4b 2213 printf("status=%i", i->exit_status);
d06dacd0 2214
07459bb6 2215#ifdef HAVE_SYSV_COMPAT
d06dacd0 2216 if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
07459bb6
FF		 2217#else
2218 if ((c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD)))
2219#endif
d06dacd0
LP		 2220 printf("/%s", c);
2221
2222 } else
582a507f 2223 printf("signal=%s", signal_to_string(i->exit_status));
6d4fc029
LP		 2224 printf(")");
2225 }
61cbdc4b
LP		 2226 }
2227
2228 if (i->main_pid > 0 && i->control_pid > 0)
2229 printf(";");
2230
2231 if (i->control_pid > 0) {
2232 char *t = NULL;
2233
2234 printf(" Control: %u", (unsigned) i->control_pid);
2235
2236 get_process_name(i->control_pid, &t);
2237 if (t) {
2238 printf(" (%s)", t);
2239 free(t);
2240 }
2241 }
2242
2243 printf("\n");
2244 }
2245
17bb7382
LP		 2246 if (i->status_text)
2247 printf("\t Status: \"%s\"\n", i->status_text);
2248
c59760ee 2249 if (i->default_control_group) {
ab35fb1b
LP		 2250 unsigned c;
2251
61cbdc4b 2252 printf("\t CGroup: %s\n", i->default_control_group);
ab35fb1b 2253
a8f11321
LP		 2254 if (arg_transport != TRANSPORT_SSH) {
2255 if ((c = columns()) > 18)
2256 c -= 18;
2257 else
2258 c = 0;
ab35fb1b 2259
a8f11321
LP		 2260 show_cgroup_by_path(i->default_control_group, "\t\t ", c);
2261 }
c59760ee 2262 }
45fb0699
LP		 2263
2264 if (i->need_daemon_reload)
2cc59dbf
LP		 2265 printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
2266 ansi_highlight(true),
2267 ansi_highlight(false),
729e3769 2268 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
61cbdc4b
LP		 2269}
2270
2271static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
2272
a4c279f8
LP		 2273 assert(name);
2274 assert(iter);
2275 assert(i);
2276
61cbdc4b
LP		 2277 switch (dbus_message_iter_get_arg_type(iter)) {
2278
2279 case DBUS_TYPE_STRING: {
2280 const char *s;
2281
2282 dbus_message_iter_get_basic(iter, &s);
2283
a4c279f8 2284 if (!isempty(s)) {
61cbdc4b
LP		 2285 if (streq(name, "Id"))
2286 i->id = s;
2287 else if (streq(name, "LoadState"))
2288 i->load_state = s;
2289 else if (streq(name, "ActiveState"))
2290 i->active_state = s;
2291 else if (streq(name, "SubState"))
2292 i->sub_state = s;
2293 else if (streq(name, "Description"))
2294 i->description = s;
2295 else if (streq(name, "FragmentPath"))
c31b4423 2296 i->path = s;
07459bb6 2297#ifdef HAVE_SYSV_COMPAT
d06dacd0
LP		 2298 else if (streq(name, "SysVPath")) {
2299 i->is_sysv = true;
c31b4423 2300 i->path = s;
07459bb6
FF		 2301 }
2302#endif
2303 else if (streq(name, "DefaultControlGroup"))
61cbdc4b
LP		 2304 i->default_control_group = s;
2305 else if (streq(name, "StatusText"))
2306 i->status_text = s;
2307 else if (streq(name, "SysFSPath"))
2308 i->sysfs_path = s;
2309 else if (streq(name, "Where"))
2310 i->where = s;
2311 else if (streq(name, "What"))
2312 i->what = s;
4a9e2fff
LP		 2313 else if (streq(name, "Following"))
2314 i->following = s;
a4375746
LP		 2315 else if (streq(name, "UnitFileState"))
2316 i->unit_file_state = s;
61cbdc4b
LP		 2317 }
2318
2319 break;
2320 }
2321
b8131a87
LP		 2322 case DBUS_TYPE_BOOLEAN: {
2323 dbus_bool_t b;
2324
2325 dbus_message_iter_get_basic(iter, &b);
2326
2327 if (streq(name, "Accept"))
2328 i->accept = b;
45fb0699
LP		 2329 else if (streq(name, "NeedDaemonReload"))
2330 i->need_daemon_reload = b;
90bbc946
LP		 2331 else if (streq(name, "ConditionResult"))
2332 i->condition_result = b;
b8131a87
LP		 2333
2334 break;
2335 }
2336
61cbdc4b
LP		 2337 case DBUS_TYPE_UINT32: {
2338 uint32_t u;
2339
2340 dbus_message_iter_get_basic(iter, &u);
2341
2342 if (streq(name, "MainPID")) {
2343 if (u > 0) {
2344 i->main_pid = (pid_t) u;
2345 i->running = true;
2346 }
2347 } else if (streq(name, "ControlPID"))
2348 i->control_pid = (pid_t) u;
2349 else if (streq(name, "ExecMainPID")) {
2350 if (u > 0)
2351 i->main_pid = (pid_t) u;
2352 } else if (streq(name, "NAccepted"))
2353 i->n_accepted = u;
2354 else if (streq(name, "NConnections"))
2355 i->n_connections = u;
2356
2357 break;
2358 }
2359
2360 case DBUS_TYPE_INT32: {
2361 int32_t j;
2362
2363 dbus_message_iter_get_basic(iter, &j);
2364
2365 if (streq(name, "ExecMainCode"))
2366 i->exit_code = (int) j;
2367 else if (streq(name, "ExecMainStatus"))
2368 i->exit_status = (int) j;
2369
2370 break;
2371 }
2372
2373 case DBUS_TYPE_UINT64: {
2374 uint64_t u;
2375
2376 dbus_message_iter_get_basic(iter, &u);
2377
2378 if (streq(name, "ExecMainStartTimestamp"))
2379 i->start_timestamp = (usec_t) u;
2380 else if (streq(name, "ExecMainExitTimestamp"))
2381 i->exit_timestamp = (usec_t) u;
584be568
LP		 2382 else if (streq(name, "ActiveEnterTimestamp"))
2383 i->active_enter_timestamp = (usec_t) u;
2384 else if (streq(name, "InactiveEnterTimestamp"))
2385 i->inactive_enter_timestamp = (usec_t) u;
2386 else if (streq(name, "InactiveExitTimestamp"))
2387 i->inactive_exit_timestamp = (usec_t) u;
2388 else if (streq(name, "ActiveExitTimestamp"))
2389 i->active_exit_timestamp = (usec_t) u;
90bbc946
LP		 2390 else if (streq(name, "ConditionTimestamp"))
2391 i->condition_timestamp = (usec_t) u;
61cbdc4b
LP		 2392
2393 break;
2394 }
582a507f
LP		 2395
2396 case DBUS_TYPE_ARRAY: {
2397
2398 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
2399 startswith(name, "Exec")) {
2400 DBusMessageIter sub;
2401
2402 dbus_message_iter_recurse(iter, &sub);
2403 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2404 ExecStatusInfo *info;
2405 int r;
2406
2407 if (!(info = new0(ExecStatusInfo, 1)))
2408 return -ENOMEM;
2409
0129173a
LP		 2410 if (!(info->name = strdup(name))) {
2411 free(info);
2412 return -ENOMEM;
2413 }
2414
582a507f
LP		 2415 if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
2416 free(info);
2417 return r;
2418 }
2419
2420 LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
2421
2422 dbus_message_iter_next(&sub);
2423 }
2424 }
2425
2426 break;
2427 }
9f39404c
LP		 2428
2429 case DBUS_TYPE_STRUCT: {
2430
2431 if (streq(name, "LoadError")) {
2432 DBusMessageIter sub;
2433 const char *n, *message;
2434 int r;
2435
2436 dbus_message_iter_recurse(iter, &sub);
2437
2438 r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &n, true);
2439 if (r < 0)
2440 return r;
2441
2442 r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &message, false);
2443 if (r < 0)
2444 return r;
2445
2446 if (!isempty(message))
2447 i->load_error = message;
2448 }
2449
2450 break;
2451 }
61cbdc4b
LP		 2452 }
2453
2454 return 0;
2455}
2456
48220598
LP		 2457static int print_property(const char *name, DBusMessageIter *iter) {
2458 assert(name);
2459 assert(iter);
2460
61cbdc4b
LP		 2461 /* This is a low-level property printer, see
2462 * print_status_info() for the nicer output */
2463
ea4a240d 2464 if (arg_property && !strv_find(arg_property, name))
48220598
LP		 2465 return 0;
2466
2467 switch (dbus_message_iter_get_arg_type(iter)) {
2468
48220598
LP		 2469 case DBUS_TYPE_STRUCT: {
2470 DBusMessageIter sub;
2471 dbus_message_iter_recurse(iter, &sub);
2472
ebf57b80 2473 if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) {
48220598
LP		 2474 uint32_t u;
2475
2476 dbus_message_iter_get_basic(&sub, &u);
2477
2478 if (u)
2479 printf("%s=%u\n", name, (unsigned) u);
2480 else if (arg_all)
2481 printf("%s=\n", name);
2482
2483 return 0;
ebf57b80 2484 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) {
48220598
LP		 2485 const char *s;
2486
2487 dbus_message_iter_get_basic(&sub, &s);
2488
2489 if (arg_all || s[0])
2490 printf("%s=%s\n", name, s);
2491
2492 return 0;
9f39404c
LP		 2493 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "LoadError")) {
2494 const char *a = NULL, *b = NULL;
2495
f786e80d 2496 if (bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &a, true) >= 0)
9f39404c
LP		 2497 bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &b, false);
2498
2499 if (arg_all || !isempty(a) || !isempty(b))
2500 printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
f786e80d
LP		 2501
2502 return 0;
48220598
LP		 2503 }
2504
2505 break;
2506 }
2507
2508 case DBUS_TYPE_ARRAY:
2509
a4c279f8 2510 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
8c7be95e
LP		 2511 DBusMessageIter sub, sub2;
2512
2513 dbus_message_iter_recurse(iter, &sub);
2514 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2515 const char *path;
2516 dbus_bool_t ignore;
2517
2518 dbus_message_iter_recurse(&sub, &sub2);
2519
2520 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 &&
2521 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0)
ecdcbc5e 2522 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
8c7be95e
LP		 2523
2524 dbus_message_iter_next(&sub);
2525 }
2526
2527 return 0;
2528
ebf57b80
LP		 2529 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
2530 DBusMessageIter sub, sub2;
2531
2532 dbus_message_iter_recurse(iter, &sub);
ebf57b80
LP		 2533 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2534 const char *type, *path;
2535
2536 dbus_message_iter_recurse(&sub, &sub2);
2537
2538 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 &&
2539 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0)
2540 printf("%s=%s\n", type, path);
2541
2542 dbus_message_iter_next(&sub);
2543 }
2544
707e5e52 2545 return 0;
582a507f 2546
707e5e52
LP		 2547 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
2548 DBusMessageIter sub, sub2;
2549
2550 dbus_message_iter_recurse(iter, &sub);
707e5e52
LP		 2551 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2552 const char *base;
2553 uint64_t value, next_elapse;
2554
2555 dbus_message_iter_recurse(&sub, &sub2);
2556
2557 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 &&
2558 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 &&
552e4331
LP		 2559 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 0) {
2560 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
2561
2562 printf("%s={ value=%s ; next_elapse=%s }\n",
fe68089d 2563 base,
552e4331
LP		 2564 format_timespan(timespan1, sizeof(timespan1), value),
2565 format_timespan(timespan2, sizeof(timespan2), next_elapse));
2566 }
fe68089d
LP		 2567
2568 dbus_message_iter_next(&sub);
2569 }
2570
2571 return 0;
fe68089d 2572
d8bbda91
LP		 2573 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "ControlGroupAttributes")) {
2574 DBusMessageIter sub, sub2;
2575
2576 dbus_message_iter_recurse(iter, &sub);
2577 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2578 const char *controller, *attr, *value;
2579
2580 dbus_message_iter_recurse(&sub, &sub2);
2581
2582 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &controller, true) >= 0 &&
2583 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &attr, true) >= 0 &&
2584 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &value, false) >= 0) {
2585
2586 printf("ControlGroupAttribute={ controller=%s ; attribute=%s ; value=\"%s\" }\n",
2587 controller,
2588 attr,
2589 value);
2590 }
2591
2592 dbus_message_iter_next(&sub);
2593 }
2594
2595 return 0;
2596
582a507f
LP		 2597 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
2598 DBusMessageIter sub;
fe68089d
LP		 2599
2600 dbus_message_iter_recurse(iter, &sub);
fe68089d 2601 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
582a507f 2602 ExecStatusInfo info;
fe68089d 2603
582a507f
LP		 2604 zero(info);
2605 if (exec_status_info_deserialize(&sub, &info) >= 0) {
fe68089d 2606 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
582a507f
LP		 2607 char *t;
2608
2609 t = strv_join(info.argv, " ");
2610
ecdcbc5e 2611 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		 2612 name,
2613 strna(info.path),
2614 strna(t),
b708e7ce 2615 yes_no(info.ignore),
582a507f
LP		 2616 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
2617 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
2618 (unsigned) info. pid,
2619 sigchld_code_to_string(info.code),
2620 info.status,
2621 info.code == CLD_EXITED ? "" : "/",
2622 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
fe68089d 2623
582a507f 2624 free(t);
fe68089d
LP		 2625 }
2626
582a507f
LP		 2627 free(info.path);
2628 strv_free(info.argv);
707e5e52
LP		 2629
2630 dbus_message_iter_next(&sub);
2631 }
2632
48220598
LP		 2633 return 0;
2634 }
2635
2636 break;
2637 }
2638
a4c279f8
LP		 2639 if (generic_print_property(name, iter, arg_all) > 0)
2640 return 0;
2641
48220598
LP		 2642 if (arg_all)
2643 printf("%s=[unprintable]\n", name);
2644
2645 return 0;
2646}
2647
be8088a2 2648static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
48220598
LP		 2649 DBusMessage *m = NULL, *reply = NULL;
2650 const char *interface = "";
2651 int r;
2652 DBusError error;
2653 DBusMessageIter iter, sub, sub2, sub3;
61cbdc4b 2654 UnitStatusInfo info;
582a507f 2655 ExecStatusInfo *p;
48220598
LP		 2656
2657 assert(bus);
2658 assert(path);
61cbdc4b 2659 assert(new_line);
48220598 2660
61cbdc4b 2661 zero(info);
48220598
LP		 2662 dbus_error_init(&error);
2663
2664 if (!(m = dbus_message_new_method_call(
2665 "org.freedesktop.systemd1",
2666 path,
2667 "org.freedesktop.DBus.Properties",
2668 "GetAll"))) {
2669 log_error("Could not allocate message.");
2670 r = -ENOMEM;
2671 goto finish;
2672 }
2673
2674 if (!dbus_message_append_args(m,
2675 DBUS_TYPE_STRING, &interface,
2676 DBUS_TYPE_INVALID)) {
2677 log_error("Could not append arguments to message.");
2678 r = -ENOMEM;
2679 goto finish;
2680 }
2681
2682 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2683 log_error("Failed to issue method call: %s", bus_error_message(&error));
48220598
LP		 2684 r = -EIO;
2685 goto finish;
2686 }
2687
2688 if (!dbus_message_iter_init(reply, &iter) ||
2689 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
2690 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
2691 log_error("Failed to parse reply.");
2692 r = -EIO;
2693 goto finish;
2694 }
2695
2696 dbus_message_iter_recurse(&iter, &sub);
2697
61cbdc4b
LP		 2698 if (*new_line)
2699 printf("\n");
2700
2701 *new_line = true;
2702
48220598
LP		 2703 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
2704 const char *name;
2705
2706 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
2707 log_error("Failed to parse reply.");
2708 r = -EIO;
2709 goto finish;
2710 }
2711
2712 dbus_message_iter_recurse(&sub, &sub2);
0183528f 2713
48220598
LP		 2714 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
2715 log_error("Failed to parse reply.");
2716 r = -EIO;
2717 goto finish;
2718 }
2719
2720 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
2721 log_error("Failed to parse reply.");
2722 r = -EIO;
2723 goto finish;
2724 }
2725
2726 dbus_message_iter_recurse(&sub2, &sub3);
2727
61cbdc4b
LP		 2728 if (show_properties)
2729 r = print_property(name, &sub3);
2730 else
2731 r = status_property(name, &sub3, &info);
2732
2733 if (r < 0) {
48220598
LP		 2734 log_error("Failed to parse reply.");
2735 r = -EIO;
2736 goto finish;
2737 }
2738
2739 dbus_message_iter_next(&sub);
2740 }
2741
f1e36d67
LP		 2742 r = 0;
2743
22f4096c
LP		 2744 if (!show_properties)
2745 print_status_info(&info);
f1e36d67 2746
22f4096c 2747 if (!streq_ptr(info.active_state, "active") &&
be8088a2
LP		 2748 !streq_ptr(info.active_state, "reloading") &&
2749 streq(verb, "status"))
22f4096c
LP		 2750 /* According to LSB: "program not running" */
2751 r = 3;
61cbdc4b 2752
582a507f
LP		 2753 while ((p = info.exec)) {
2754 LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
2755 exec_status_info_free(p);
2756 }
2757
48220598
LP		 2758finish:
2759 if (m)
2760 dbus_message_unref(m);
2761
2762 if (reply)
2763 dbus_message_unref(reply);
2764
2765 dbus_error_free(&error);
2766
2767 return r;
2768}
2769
729e3769 2770static int show(DBusConnection *bus, char **args) {
48220598 2771 DBusMessage *m = NULL, *reply = NULL;
22f4096c 2772 int r, ret = 0;
48220598 2773 DBusError error;
61cbdc4b 2774 bool show_properties, new_line = false;
729e3769 2775 char **name;
48220598
LP		 2776
2777 assert(bus);
2778 assert(args);
2779
2780 dbus_error_init(&error);
2781
61cbdc4b
LP		 2782 show_properties = !streq(args[0], "status");
2783
ec14911e 2784 if (show_properties)
1968a360 2785 pager_open_if_enabled();
ec14911e 2786
729e3769 2787 if (show_properties && strv_length(args) <= 1) {
48220598
LP		 2788 /* If not argument is specified inspect the manager
2789 * itself */
2790
be8088a2 2791 ret = show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line);
48220598
LP		 2792 goto finish;
2793 }
2794
729e3769 2795 STRV_FOREACH(name, args+1) {
48220598
LP		 2796 const char *path = NULL;
2797 uint32_t id;
2798
729e3769 2799 if (safe_atou32(*name, &id) < 0) {
598b557b
LP		 2800
2801 /* Interpret as unit name */
48220598
LP		 2802
2803 if (!(m = dbus_message_new_method_call(
2804 "org.freedesktop.systemd1",
2805 "/org/freedesktop/systemd1",
2806 "org.freedesktop.systemd1.Manager",
e87d1818 2807 "LoadUnit"))) {
48220598 2808 log_error("Could not allocate message.");
22f4096c 2809 ret = -ENOMEM;
48220598
LP		 2810 goto finish;
2811 }
2812
2813 if (!dbus_message_append_args(m,
729e3769 2814 DBUS_TYPE_STRING, name,
48220598
LP		 2815 DBUS_TYPE_INVALID)) {
2816 log_error("Could not append arguments to message.");
22f4096c 2817 ret = -ENOMEM;
48220598
LP		 2818 goto finish;
2819 }
2820
ed2d7a44
LP		 2821 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
2822
2823 if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
4cf5d675 2824 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2825 ret = -EIO;
ed2d7a44
LP		 2826 goto finish;
2827 }
2828
2829 dbus_error_free(&error);
2830
2831 dbus_message_unref(m);
2832 if (!(m = dbus_message_new_method_call(
2833 "org.freedesktop.systemd1",
2834 "/org/freedesktop/systemd1",
2835 "org.freedesktop.systemd1.Manager",
2836 "GetUnit"))) {
2837 log_error("Could not allocate message.");
22f4096c 2838 ret = -ENOMEM;
ed2d7a44
LP		 2839 goto finish;
2840 }
2841
2842 if (!dbus_message_append_args(m,
729e3769 2843 DBUS_TYPE_STRING, name,
ed2d7a44
LP		 2844 DBUS_TYPE_INVALID)) {
2845 log_error("Could not append arguments to message.");
22f4096c 2846 ret = -ENOMEM;
ed2d7a44
LP		 2847 goto finish;
2848 }
2849
2850 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2851 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c
LP		 2852
2853 if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT))
2854 ret = 4; /* According to LSB: "program or service status is unknown" */
2855 else
2856 ret = -EIO;
ed2d7a44
LP		 2857 goto finish;
2858 }
2859 }
2860
598b557b
LP		 2861 } else if (show_properties) {
2862
2863 /* Interpret as job id */
48220598
LP		 2864
2865 if (!(m = dbus_message_new_method_call(
2866 "org.freedesktop.systemd1",
2867 "/org/freedesktop/systemd1",
2868 "org.freedesktop.systemd1.Manager",
2869 "GetJob"))) {
2870 log_error("Could not allocate message.");
22f4096c 2871 ret = -ENOMEM;
48220598
LP		 2872 goto finish;
2873 }
2874
2875 if (!dbus_message_append_args(m,
2876 DBUS_TYPE_UINT32, &id,
2877 DBUS_TYPE_INVALID)) {
2878 log_error("Could not append arguments to message.");
22f4096c 2879 ret = -ENOMEM;
48220598
LP		 2880 goto finish;
2881 }
48220598 2882
598b557b 2883 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2884 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2885 ret = -EIO;
598b557b
LP		 2886 goto finish;
2887 }
2888 } else {
2889
2890 /* Interpret as PID */
2891
2892 if (!(m = dbus_message_new_method_call(
2893 "org.freedesktop.systemd1",
2894 "/org/freedesktop/systemd1",
2895 "org.freedesktop.systemd1.Manager",
2896 "GetUnitByPID"))) {
2897 log_error("Could not allocate message.");
22f4096c 2898 ret = -ENOMEM;
598b557b
LP		 2899 goto finish;
2900 }
2901
2902 if (!dbus_message_append_args(m,
2903 DBUS_TYPE_UINT32, &id,
2904 DBUS_TYPE_INVALID)) {
2905 log_error("Could not append arguments to message.");
22f4096c 2906 ret = -ENOMEM;
598b557b
LP		 2907 goto finish;
2908 }
2909
ed2d7a44 2910 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2911 log_error("Failed to issue method call: %s", bus_error_message(&error));
22f4096c 2912 ret = -EIO;
ed2d7a44
LP		 2913 goto finish;
2914 }
48220598
LP		 2915 }
2916
2917 if (!dbus_message_get_args(reply, &error,
2918 DBUS_TYPE_OBJECT_PATH, &path,
2919 DBUS_TYPE_INVALID)) {
4cf5d675 2920 log_error("Failed to parse reply: %s", bus_error_message(&error));
22f4096c 2921 ret = -EIO;
48220598
LP		 2922 goto finish;
2923 }
2924
be8088a2 2925 if ((r = show_one(args[0], bus, path, show_properties, &new_line)) != 0)
22f4096c 2926 ret = r;
48220598
LP		 2927
2928 dbus_message_unref(m);
2929 dbus_message_unref(reply);
2930 m = reply = NULL;
2931 }
2932
48220598
LP		 2933finish:
2934 if (m)
2935 dbus_message_unref(m);
2936
2937 if (reply)
2938 dbus_message_unref(reply);
2939
2940 dbus_error_free(&error);
2941
22f4096c 2942 return ret;
0183528f
LP		 2943}
2944
729e3769 2945static int dump(DBusConnection *bus, char **args) {
7e4249b9
LP		 2946 DBusMessage *m = NULL, *reply = NULL;
2947 DBusError error;
2948 int r;
2949 const char *text;
2950
2951 dbus_error_init(&error);
2952
1968a360 2953 pager_open_if_enabled();
ec14911e 2954
7e4249b9
LP		 2955 if (!(m = dbus_message_new_method_call(
2956 "org.freedesktop.systemd1",
2957 "/org/freedesktop/systemd1",
2958 "org.freedesktop.systemd1.Manager",
2959 "Dump"))) {
2960 log_error("Could not allocate message.");
2961 return -ENOMEM;
2962 }
2963
2964 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 2965 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 2966 r = -EIO;
2967 goto finish;
2968 }
2969
2970 if (!dbus_message_get_args(reply, &error,
2971 DBUS_TYPE_STRING, &text,
2972 DBUS_TYPE_INVALID)) {
4cf5d675 2973 log_error("Failed to parse reply: %s", bus_error_message(&error));
7e4249b9
LP		 2974 r = -EIO;
2975 goto finish;
2976 }
2977
2978 fputs(text, stdout);
2979
2980 r = 0;
2981
2982finish:
2983 if (m)
2984 dbus_message_unref(m);
2985
2986 if (reply)
2987 dbus_message_unref(reply);
2988
2989 dbus_error_free(&error);
2990
2991 return r;
2992}
2993
729e3769 2994static int snapshot(DBusConnection *bus, char **args) {
7e4249b9
LP		 2995 DBusMessage *m = NULL, *reply = NULL;
2996 DBusError error;
2997 int r;
2998 const char *name = "", *path, *id;
2999 dbus_bool_t cleanup = FALSE;
3000 DBusMessageIter iter, sub;
3001 const char
3002 *interface = "org.freedesktop.systemd1.Unit",
3003 *property = "Id";
3004
3005 dbus_error_init(&error);
3006
3007 if (!(m = dbus_message_new_method_call(
3008 "org.freedesktop.systemd1",
3009 "/org/freedesktop/systemd1",
3010 "org.freedesktop.systemd1.Manager",
3011 "CreateSnapshot"))) {
3012 log_error("Could not allocate message.");
3013 return -ENOMEM;
3014 }
3015
729e3769 3016 if (strv_length(args) > 1)
7e4249b9
LP		 3017 name = args[1];
3018
3019 if (!dbus_message_append_args(m,
3020 DBUS_TYPE_STRING, &name,
3021 DBUS_TYPE_BOOLEAN, &cleanup,
3022 DBUS_TYPE_INVALID)) {
3023 log_error("Could not append arguments to message.");
3024 r = -ENOMEM;
3025 goto finish;
3026 }
3027
3028 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3029 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3030 r = -EIO;
3031 goto finish;
3032 }
3033
3034 if (!dbus_message_get_args(reply, &error,
3035 DBUS_TYPE_OBJECT_PATH, &path,
3036 DBUS_TYPE_INVALID)) {
4cf5d675 3037 log_error("Failed to parse reply: %s", bus_error_message(&error));
7e4249b9
LP		 3038 r = -EIO;
3039 goto finish;
3040 }
3041
3042 dbus_message_unref(m);
3043 if (!(m = dbus_message_new_method_call(
3044 "org.freedesktop.systemd1",
3045 path,
3046 "org.freedesktop.DBus.Properties",
3047 "Get"))) {
3048 log_error("Could not allocate message.");
3049 return -ENOMEM;
3050 }
3051
3052 if (!dbus_message_append_args(m,
3053 DBUS_TYPE_STRING, &interface,
3054 DBUS_TYPE_STRING, &property,
3055 DBUS_TYPE_INVALID)) {
3056 log_error("Could not append arguments to message.");
3057 r = -ENOMEM;
3058 goto finish;
3059 }
3060
3061 dbus_message_unref(reply);
3062 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3063 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3064 r = -EIO;
3065 goto finish;
3066 }
3067
3068 if (!dbus_message_iter_init(reply, &iter) ||
3069 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3070 log_error("Failed to parse reply.");
3071 r = -EIO;
3072 goto finish;
3073 }
3074
3075 dbus_message_iter_recurse(&iter, &sub);
3076
3077 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
3078 log_error("Failed to parse reply.");
3079 r = -EIO;
3080 goto finish;
3081 }
3082
3083 dbus_message_iter_get_basic(&sub, &id);
0183528f
LP		 3084
3085 if (!arg_quiet)
3086 puts(id);
7e4249b9
LP		 3087 r = 0;
3088
3089finish:
3090 if (m)
3091 dbus_message_unref(m);
3092
3093 if (reply)
3094 dbus_message_unref(reply);
3095
3096 dbus_error_free(&error);
3097
3098 return r;
3099}
3100
729e3769 3101static int delete_snapshot(DBusConnection *bus, char **args) {
6759e7a7
LP		 3102 DBusMessage *m = NULL, *reply = NULL;
3103 int r;
3104 DBusError error;
729e3769 3105 char **name;
6759e7a7
LP		 3106
3107 assert(bus);
3108 assert(args);
3109
3110 dbus_error_init(&error);
3111
729e3769 3112 STRV_FOREACH(name, args+1) {
6759e7a7
LP		 3113 const char *path = NULL;
3114
3115 if (!(m = dbus_message_new_method_call(
3116 "org.freedesktop.systemd1",
3117 "/org/freedesktop/systemd1",
3118 "org.freedesktop.systemd1.Manager",
3119 "GetUnit"))) {
3120 log_error("Could not allocate message.");
3121 r = -ENOMEM;
3122 goto finish;
3123 }
3124
3125 if (!dbus_message_append_args(m,
729e3769 3126 DBUS_TYPE_STRING, name,
6759e7a7
LP		 3127 DBUS_TYPE_INVALID)) {
3128 log_error("Could not append arguments to message.");
3129 r = -ENOMEM;
3130 goto finish;
3131 }
3132
3133 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3134 log_error("Failed to issue method call: %s", bus_error_message(&error));
6759e7a7
LP		 3135 r = -EIO;
3136 goto finish;
3137 }
3138
3139 if (!dbus_message_get_args(reply, &error,
3140 DBUS_TYPE_OBJECT_PATH, &path,
3141 DBUS_TYPE_INVALID)) {
4cf5d675 3142 log_error("Failed to parse reply: %s", bus_error_message(&error));
6759e7a7
LP		 3143 r = -EIO;
3144 goto finish;
3145 }
3146
3147 dbus_message_unref(m);
3148 if (!(m = dbus_message_new_method_call(
3149 "org.freedesktop.systemd1",
3150 path,
3151 "org.freedesktop.systemd1.Snapshot",
3152 "Remove"))) {
3153 log_error("Could not allocate message.");
3154 r = -ENOMEM;
3155 goto finish;
3156 }
3157
3158 dbus_message_unref(reply);
3159 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3160 log_error("Failed to issue method call: %s", bus_error_message(&error));
6759e7a7
LP		 3161 r = -EIO;
3162 goto finish;
3163 }
3164
3165 dbus_message_unref(m);
3166 dbus_message_unref(reply);
3167 m = reply = NULL;
3168 }
3169
3170 r = 0;
3171
3172finish:
3173 if (m)
3174 dbus_message_unref(m);
3175
3176 if (reply)
3177 dbus_message_unref(reply);
3178
3179 dbus_error_free(&error);
3180
3181 return r;
3182}
3183
729e3769 3184static int daemon_reload(DBusConnection *bus, char **args) {
7e4249b9
LP		 3185 DBusMessage *m = NULL, *reply = NULL;
3186 DBusError error;
3187 int r;
3188 const char *method;
3189
3190 dbus_error_init(&error);
3191
e4b61340
LP		 3192 if (arg_action == ACTION_RELOAD)
3193 method = "Reload";
3194 else if (arg_action == ACTION_REEXEC)
3195 method = "Reexecute";
3196 else {
3197 assert(arg_action == ACTION_SYSTEMCTL);
3198
3199 method =
20b09ca7
LP		 3200 streq(args[0], "clear-jobs") ||
3201 streq(args[0], "cancel") ? "ClearJobs" :
3202 streq(args[0], "daemon-reexec") ? "Reexecute" :
3203 streq(args[0], "reset-failed") ? "ResetFailed" :
3204 streq(args[0], "halt") ? "Halt" :
3205 streq(args[0], "poweroff") ? "PowerOff" :
3206 streq(args[0], "reboot") ? "Reboot" :
3207 streq(args[0], "kexec") ? "KExec" :
3208 streq(args[0], "exit") ? "Exit" :
3209 /* "daemon-reload" */ "Reload";
e4b61340 3210 }
7e4249b9
LP		 3211
3212 if (!(m = dbus_message_new_method_call(
3213 "org.freedesktop.systemd1",
3214 "/org/freedesktop/systemd1",
3215 "org.freedesktop.systemd1.Manager",
3216 method))) {
3217 log_error("Could not allocate message.");
3218 return -ENOMEM;
3219 }
3220
3221 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
e4b61340
LP		 3222
3223 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
3224 /* There's always a fallback possible for
3225 * legacy actions. */
aabd9b11 3226 r = -EADDRNOTAVAIL;
e4b61340
LP		 3227 goto finish;
3228 }
3229
b23de6af
LP		 3230 if (streq(method, "Reexecute") && dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY)) {
3231 /* On reexecution, we expect a disconnect, not
3232 * a reply */
3233 r = 0;
3234 goto finish;
3235 }
3236
4cf5d675 3237 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3238 r = -EIO;
3239 goto finish;
3240 }
3241
aabd9b11 3242 r = 0;
7e4249b9
LP		 3243
3244finish:
3245 if (m)
3246 dbus_message_unref(m);
3247
3248 if (reply)
3249 dbus_message_unref(reply);
3250
3251 dbus_error_free(&error);
3252
3253 return r;
3254}
3255
729e3769 3256static int reset_failed(DBusConnection *bus, char **args) {
f8440af5 3257 DBusMessage *m = NULL;
5632e374
LP		 3258 int r;
3259 DBusError error;
729e3769 3260 char **name;
5632e374
LP		 3261
3262 assert(bus);
3263 dbus_error_init(&error);
3264
729e3769
LP		 3265 if (strv_length(args) <= 1)
3266 return daemon_reload(bus, args);
5632e374 3267
729e3769 3268 STRV_FOREACH(name, args+1) {
f8440af5 3269 DBusMessage *reply;
5632e374
LP		 3270
3271 if (!(m = dbus_message_new_method_call(
3272 "org.freedesktop.systemd1",
3273 "/org/freedesktop/systemd1",
3274 "org.freedesktop.systemd1.Manager",
fdf20a31 3275 "ResetFailedUnit"))) {
5632e374
LP		 3276 log_error("Could not allocate message.");
3277 r = -ENOMEM;
3278 goto finish;
3279 }
3280
3281 if (!dbus_message_append_args(m,
729e3769 3282 DBUS_TYPE_STRING, name,
5632e374
LP		 3283 DBUS_TYPE_INVALID)) {
3284 log_error("Could not append arguments to message.");
3285 r = -ENOMEM;
3286 goto finish;
3287 }
3288
3289 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3290 log_error("Failed to issue method call: %s", bus_error_message(&error));
5632e374
LP		 3291 r = -EIO;
3292 goto finish;
3293 }
3294
3295 dbus_message_unref(m);
3296 dbus_message_unref(reply);
3297 m = reply = NULL;
3298 }
3299
3300 r = 0;
3301
3302finish:
3303 if (m)
3304 dbus_message_unref(m);
3305
5632e374
LP		 3306 dbus_error_free(&error);
3307
3308 return r;
3309}
3310
729e3769 3311static int show_enviroment(DBusConnection *bus, char **args) {
7e4249b9
LP		 3312 DBusMessage *m = NULL, *reply = NULL;
3313 DBusError error;
3314 DBusMessageIter iter, sub, sub2;
3315 int r;
3316 const char
3317 *interface = "org.freedesktop.systemd1.Manager",
3318 *property = "Environment";
3319
3320 dbus_error_init(&error);
3321
1968a360 3322 pager_open_if_enabled();
ec14911e 3323
7e4249b9
LP		 3324 if (!(m = dbus_message_new_method_call(
3325 "org.freedesktop.systemd1",
3326 "/org/freedesktop/systemd1",
3327 "org.freedesktop.DBus.Properties",
3328 "Get"))) {
3329 log_error("Could not allocate message.");
3330 return -ENOMEM;
3331 }
3332
3333 if (!dbus_message_append_args(m,
3334 DBUS_TYPE_STRING, &interface,
3335 DBUS_TYPE_STRING, &property,
3336 DBUS_TYPE_INVALID)) {
3337 log_error("Could not append arguments to message.");
3338 r = -ENOMEM;
3339 goto finish;
3340 }
3341
3342 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3343 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3344 r = -EIO;
3345 goto finish;
3346 }
3347
3348 if (!dbus_message_iter_init(reply, &iter) ||
3349 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3350 log_error("Failed to parse reply.");
3351 r = -EIO;
3352 goto finish;
3353 }
3354
3355 dbus_message_iter_recurse(&iter, &sub);
3356
3357 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
3358 dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
3359 log_error("Failed to parse reply.");
3360 r = -EIO;
3361 goto finish;
3362 }
3363
3364 dbus_message_iter_recurse(&sub, &sub2);
3365
3366 while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
3367 const char *text;
3368
3369 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
3370 log_error("Failed to parse reply.");
3371 r = -EIO;
3372 goto finish;
3373 }
3374
3375 dbus_message_iter_get_basic(&sub2, &text);
3376 printf("%s\n", text);
3377
3378 dbus_message_iter_next(&sub2);
3379 }
3380
3381 r = 0;
3382
3383finish:
3384 if (m)
3385 dbus_message_unref(m);
3386
3387 if (reply)
3388 dbus_message_unref(reply);
3389
3390 dbus_error_free(&error);
3391
3392 return r;
3393}
3394
729e3769 3395static int set_environment(DBusConnection *bus, char **args) {
7e4249b9
LP		 3396 DBusMessage *m = NULL, *reply = NULL;
3397 DBusError error;
3398 int r;
3399 const char *method;
3400 DBusMessageIter iter, sub;
729e3769 3401 char **name;
7e4249b9
LP		 3402
3403 dbus_error_init(&error);
3404
3405 method = streq(args[0], "set-environment")
3406 ? "SetEnvironment"
3407 : "UnsetEnvironment";
3408
3409 if (!(m = dbus_message_new_method_call(
3410 "org.freedesktop.systemd1",
3411 "/org/freedesktop/systemd1",
3412 "org.freedesktop.systemd1.Manager",
3413 method))) {
3414
3415 log_error("Could not allocate message.");
3416 return -ENOMEM;
3417 }
3418
3419 dbus_message_iter_init_append(m, &iter);
3420
3421 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
3422 log_error("Could not append arguments to message.");
3423 r = -ENOMEM;
3424 goto finish;
3425 }
3426
729e3769
LP		 3427 STRV_FOREACH(name, args+1)
3428 if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) {
7e4249b9
LP		 3429 log_error("Could not append arguments to message.");
3430 r = -ENOMEM;
3431 goto finish;
3432 }
3433
3434 if (!dbus_message_iter_close_container(&iter, &sub)) {
3435 log_error("Could not append arguments to message.");
3436 r = -ENOMEM;
3437 goto finish;
3438 }
3439
3440 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4cf5d675 3441 log_error("Failed to issue method call: %s", bus_error_message(&error));
7e4249b9
LP		 3442 r = -EIO;
3443 goto finish;
3444 }
3445
3446 r = 0;
3447
3448finish:
3449 if (m)
3450 dbus_message_unref(m);
3451
3452 if (reply)
3453 dbus_message_unref(reply);
3454
3455 dbus_error_free(&error);
3456
3457 return r;
3458}
3459
729e3769
LP		 3460static int enable_sysv_units(char **args) {
3461 int r = 0;
ee5762e3 3462
6fdae8a6 3463#if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX) || defined(TARGET_MAGEIA))
729e3769
LP		 3464 const char *verb = args[0];
3465 unsigned f = 1, t = 1;
3466 LookupPaths paths;
ee5762e3 3467
729e3769
LP		 3468 if (arg_scope != UNIT_FILE_SYSTEM)
3469 return 0;
ee5762e3 3470
729e3769
LP		 3471 if (!streq(verb, "enable") &&
3472 !streq(verb, "disable") &&
3473 !streq(verb, "is-enabled"))
3474 return 0;
ee5762e3 3475
729e3769
LP		 3476 /* Processes all SysV units, and reshuffles the array so that
3477 * afterwards only the native units remain */
ee5762e3 3478
729e3769
LP		 3479 zero(paths);
3480 r = lookup_paths_init(&paths, MANAGER_SYSTEM, false);
3481 if (r < 0)
3482 return r;
ee5762e3 3483
729e3769 3484 r = 0;
ee5762e3 3485
729e3769
LP		 3486 for (f = 1; args[f]; f++) {
3487 const char *name;
3488 char *p;
3489 bool found_native = false, found_sysv;
3490 unsigned c = 1;
3491 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
3492 char **k, *l, *q = NULL;
3493 int j;
3494 pid_t pid;
3495 siginfo_t status;
ee5762e3 3496
729e3769 3497 name = args[f];
ee5762e3 3498
729e3769
LP		 3499 if (!endswith(name, ".service"))
3500 continue;
ee5762e3 3501
729e3769
LP		 3502 if (path_is_absolute(name))
3503 continue;
ee5762e3 3504
729e3769
LP		 3505 STRV_FOREACH(k, paths.unit_path) {
3506 p = NULL;
ee5762e3 3507
729e3769
LP		 3508 if (!isempty(arg_root))
3509 asprintf(&p, "%s/%s/%s", arg_root, *k, name);
3510 else
3511 asprintf(&p, "%s/%s", *k, name);
ee5762e3 3512
729e3769
LP		 3513 if (!p) {
3514 log_error("No memory");
3515 r = -ENOMEM;
3516 goto finish;
3517 }
ee5762e3 3518
729e3769
LP		 3519 found_native = access(p, F_OK) >= 0;
3520 free(p);
ee5762e3 3521
729e3769
LP		 3522 if (found_native)
3523 break;
3524 }
ee5762e3 3525
729e3769
LP		 3526 if (found_native)
3527 continue;
ee5762e3 3528
729e3769
LP		 3529 p = NULL;
3530 if (!isempty(arg_root))
3531 asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name);
3532 else
3533 asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name);
3534 if (!p) {
3535 log_error("No memory");
3536 r = -ENOMEM;
3537 goto finish;
3538 }
ee5762e3 3539
729e3769
LP		 3540 p[strlen(p) - sizeof(".service") + 1] = 0;
3541 found_sysv = access(p, F_OK) >= 0;
ee5762e3 3542
729e3769
LP		 3543 if (!found_sysv) {
3544 free(p);
3545 continue;
71fad675
LP		 3546 }
3547
729e3769
LP		 3548 /* Mark this entry, so that we don't try enabling it as native unit */
3549 args[f] = (char*) "";
ee5762e3 3550
729e3769 3551 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
ee5762e3 3552
729e3769
LP		 3553 if (!isempty(arg_root))
3554 argv[c++] = q = strappend("--root=", arg_root);
ee5762e3 3555
729e3769
LP		 3556 argv[c++] = file_name_from_path(p);
3557 argv[c++] =
3558 streq(verb, "enable") ? "on" :
3559 streq(verb, "disable") ? "off" : "--level=5";
3560 argv[c] = NULL;
ee5762e3 3561
729e3769
LP		 3562 l = strv_join((char**)argv, " ");
3563 if (!l) {
3564 log_error("No memory.");
3565 free(q);
3566 free(p);
3567 r = -ENOMEM;
3568 goto finish;
3569 }
ee5762e3 3570
729e3769
LP		 3571 log_info("Executing %s", l);
3572 free(l);
ee5762e3 3573
729e3769
LP		 3574 pid = fork();
3575 if (pid < 0) {
3576 log_error("Failed to fork: %m");
3577 free(p);
3578 free(q);
3579 r = -errno;
3580 goto finish;
3581 } else if (pid == 0) {
3582 /* Child */
ee5762e3 3583
729e3769
LP		 3584 execv(argv[0], (char**) argv);
3585 _exit(EXIT_FAILURE);
3586 }
ee5762e3 3587
729e3769
LP		 3588 free(p);
3589 free(q);
ee5762e3 3590
729e3769
LP		 3591 j = wait_for_terminate(pid, &status);
3592 if (j < 0) {
3593 log_error("Failed to wait for child: %s", strerror(-r));
3594 r = j;
3595 goto finish;
3596 }
ee5762e3 3597
729e3769
LP		 3598 if (status.si_code == CLD_EXITED) {
3599 if (streq(verb, "is-enabled")) {
3600 if (status.si_status == 0) {
3601 if (!arg_quiet)
3602 puts("enabled");
3603 r = 1;
3604 } else {
3605 if (!arg_quiet)
3606 puts("disabled");
3607 }
ee5762e3 3608
729e3769
LP		 3609 } else if (status.si_status != 0) {
3610 r = -EINVAL;
3611 goto finish;
3612 }
3613 } else {
3614 r = -EPROTO;
3615 goto finish;
3616 }
ee5762e3
LP		 3617 }
3618
729e3769
LP		 3619finish:
3620 lookup_paths_free(&paths);
ee5762e3 3621
729e3769
LP		 3622 /* Drop all SysV units */
3623 for (f = 1, t = 1; args[f]; f++) {
ee5762e3 3624
729e3769 3625 if (isempty(args[f]))
ee5762e3
LP		 3626 continue;
3627
729e3769
LP		 3628 args[t++] = args[f];
3629 }
ee5762e3 3630
729e3769 3631 args[t] = NULL;
ee5762e3 3632
729e3769
LP		 3633#endif
3634 return r;
3635}
ee5762e3 3636
729e3769
LP		 3637static int enable_unit(DBusConnection *bus, char **args) {
3638 const char *verb = args[0];
3639 UnitFileChange *changes = NULL;
3640 unsigned n_changes = 0, i;
3641 int carries_install_info = -1;
3642 DBusMessage *m = NULL, *reply = NULL;
3643 int r;
3644 DBusError error;
ee5762e3 3645
729e3769 3646 dbus_error_init(&error);
ee5762e3 3647
729e3769
LP		 3648 r = enable_sysv_units(args);
3649 if (r < 0)
3650 return r;
ee5762e3 3651
729e3769
LP		 3652 if (!bus || avoid_bus()) {
3653 if (streq(verb, "enable")) {
3654 r = unit_file_enable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3655 carries_install_info = r;
3656 } else if (streq(verb, "disable"))
3657 r = unit_file_disable(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3658 else if (streq(verb, "reenable")) {
3659 r = unit_file_reenable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3660 carries_install_info = r;
3661 } else if (streq(verb, "link"))
3662 r = unit_file_link(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3663 else if (streq(verb, "preset")) {
3664 r = unit_file_preset(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3665 carries_install_info = r;
3666 } else if (streq(verb, "mask"))
3667 r = unit_file_mask(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3668 else if (streq(verb, "unmask"))
3669 r = unit_file_unmask(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3670 else
3671 assert_not_reached("Unknown verb");
ee5762e3 3672
729e3769
LP		 3673 if (r < 0) {
3674 log_error("Operation failed: %s", strerror(-r));
3675 goto finish;
ee5762e3
LP		 3676 }
3677
729e3769
LP		 3678 for (i = 0; i < n_changes; i++) {
3679 if (changes[i].type == UNIT_FILE_SYMLINK)
3680 log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path);
3681 else
3682 log_info("rm '%s'", changes[i].path);
ee5762e3
LP		 3683 }
3684
729e3769
LP		 3685 } else {
3686 const char *method;
3687 bool send_force = true, expect_carries_install_info = false;
3688 dbus_bool_t a, b;
3689 DBusMessageIter iter, sub, sub2;
3690
3691 if (streq(verb, "enable")) {
3692 method = "EnableUnitFiles";
3693 expect_carries_install_info = true;
3694 } else if (streq(verb, "disable")) {
3695 method = "DisableUnitFiles";
3696 send_force = false;
3697 } else if (streq(verb, "reenable")) {
3698 method = "ReenableUnitFiles";
3699 expect_carries_install_info = true;
3700 } else if (streq(verb, "link"))
3701 method = "LinkUnitFiles";
3702 else if (streq(verb, "preset")) {
3703 method = "PresetUnitFiles";
3704 expect_carries_install_info = true;
3705 } else if (streq(verb, "mask"))
3706 method = "MaskUnitFiles";
3707 else if (streq(verb, "unmask")) {
3708 method = "UnmaskUnitFiles";
3709 send_force = false;
3710 } else
3711 assert_not_reached("Unknown verb");
3712
3713 m = dbus_message_new_method_call(
3714 "org.freedesktop.systemd1",
3715 "/org/freedesktop/systemd1",
3716 "org.freedesktop.systemd1.Manager",
3717 method);
3718 if (!m) {
ee5762e3
LP		 3719 log_error("Out of memory");
3720 r = -ENOMEM;
3721 goto finish;
3722 }
3723
729e3769 3724 dbus_message_iter_init_append(m, &iter);
ee5762e3 3725
729e3769
LP		 3726 r = bus_append_strv_iter(&iter, args+1);
3727 if (r < 0) {
3728 log_error("Failed to append unit files.");
ee5762e3
LP		 3729 goto finish;
3730 }
3731
729e3769
LP		 3732 a = arg_runtime;
3733 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &a)) {
3734 log_error("Failed to append runtime boolean.");
ee5762e3
LP		 3735 r = -ENOMEM;
3736 goto finish;
3737 }
3738
729e3769
LP		 3739 if (send_force) {
3740 b = arg_force;
be394c48 3741
729e3769
LP		 3742 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) {
3743 log_error("Failed to append force boolean.");
3744 r = -ENOMEM;
3745 goto finish;
3746 }
09adcdf7 3747 }
ee5762e3 3748
729e3769
LP		 3749 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3750 if (!reply) {
3751 log_error("Failed to issue method call: %s", bus_error_message(&error));
3752 r = -EIO;
3753 goto finish;
ee5762e3
LP		 3754 }
3755
729e3769
LP		 3756 if (!dbus_message_iter_init(reply, &iter)) {
3757 log_error("Failed to initialize iterator.");
3758 goto finish;
3759 }
be394c48 3760
729e3769
LP		 3761 if (expect_carries_install_info) {
3762 r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &b, true);
3763 if (r < 0) {
3764 log_error("Failed to parse reply.");
3765 goto finish;
3766 }
ee5762e3 3767
729e3769 3768 carries_install_info = b;
ee5762e3
LP		 3769 }
3770
729e3769
LP		 3771 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
3772 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
3773 log_error("Failed to parse reply.");
3774 r = -EIO;
3775 goto finish;
ee5762e3
LP		 3776 }
3777
729e3769
LP		 3778 dbus_message_iter_recurse(&iter, &sub);
3779 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
3780 const char *type, *path, *source;
c8b2e52c 3781
729e3769
LP		 3782 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
3783 log_error("Failed to parse reply.");
3784 r = -EIO;
3785 goto finish;
c8b2e52c
LP		 3786 }
3787
729e3769 3788 dbus_message_iter_recurse(&sub, &sub2);
c8b2e52c 3789
729e3769
LP		 3790 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
3791 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0 ||
3792 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &source, false) < 0) {
3793 log_error("Failed to parse reply.");
3794 r = -EIO;
3795 goto finish;
c8b2e52c
LP		 3796 }
3797
729e3769
LP		 3798 if (streq(type, "symlink"))
3799 log_info("ln -s '%s' '%s'", source, path);
3800 else
3801 log_info("rm '%s'", path);
b77398f7 3802
729e3769
LP		 3803 dbus_message_iter_next(&sub);
3804 }
b77398f7 3805
729e3769
LP		 3806 /* Try to reload if enabeld */
3807 if (!arg_no_reload)
3808 r = daemon_reload(bus, args);
b647f10d 3809 }
3d3961f2 3810
729e3769
LP		 3811 if (carries_install_info == 0)
3812 log_warning("Warning: unit files do not carry install information. No operation executed.");
ee5762e3 3813
729e3769
LP		 3814finish:
3815 if (m)
3816 dbus_message_unref(m);
ee5762e3 3817
729e3769
LP		 3818 if (reply)
3819 dbus_message_unref(reply);
ee5762e3 3820
729e3769 3821 unit_file_changes_free(changes, n_changes);
ee5762e3 3822
729e3769
LP		 3823 dbus_error_free(&error);
3824 return r;
ee5762e3
LP		 3825}
3826
729e3769 3827static int unit_is_enabled(DBusConnection *bus, char **args) {
ee5762e3
LP		 3828 DBusError error;
3829 int r;
729e3769
LP		 3830 DBusMessage *m = NULL, *reply = NULL;
3831 bool enabled;
3832 char **name;
ee5762e3
LP		 3833
3834 dbus_error_init(&error);
3835
729e3769
LP		 3836 r = enable_sysv_units(args);
3837 if (r < 0)
3838 return r;
ee5762e3 3839
729e3769 3840 enabled = r > 0;
ee5762e3 3841
729e3769 3842 if (!bus || avoid_bus()) {
ee5762e3 3843
729e3769
LP		 3844 STRV_FOREACH(name, args+1) {
3845 UnitFileState state;
ee5762e3 3846
729e3769
LP		 3847 state = unit_file_get_state(arg_scope, arg_root, *name);
3848 if (state < 0) {
3849 r = state;
3850 goto finish;
3851 }
ee5762e3 3852
729e3769
LP		 3853 if (state == UNIT_FILE_ENABLED ||
3854 state == UNIT_FILE_ENABLED_RUNTIME ||
3855 state == UNIT_FILE_STATIC)
3856 enabled = true;
3857
3858 if (!arg_quiet)
3859 puts(unit_file_state_to_string(state));
71fad675 3860 }
ee5762e3 3861
729e3769
LP		 3862 } else {
3863 STRV_FOREACH(name, args+1) {
3864 const char *s;
63a723f3 3865
729e3769
LP		 3866 m = dbus_message_new_method_call(
3867 "org.freedesktop.systemd1",
3868 "/org/freedesktop/systemd1",
3869 "org.freedesktop.systemd1.Manager",
3870 "GetUnitFileState");
3871 if (!m) {
3872 log_error("Out of memory");
3873 r = -ENOMEM;
3874 goto finish;
3875 }
ee5762e3 3876
729e3769
LP		 3877 if (!dbus_message_append_args(m,
3878 DBUS_TYPE_STRING, name,
3879 DBUS_TYPE_INVALID)) {
3880 log_error("Could not append arguments to message.");
3881 r = -ENOMEM;
3882 goto finish;
3883 }
ee5762e3 3884
729e3769
LP		 3885 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3886 if (!reply) {
3887 log_error("Failed to issue method call: %s", bus_error_message(&error));
3888 r = -EIO;
3889 goto finish;
3890 }
ee5762e3 3891
729e3769
LP		 3892 if (!dbus_message_get_args(reply, &error,
3893 DBUS_TYPE_STRING, &s,
3894 DBUS_TYPE_INVALID)) {
3895 log_error("Failed to parse reply: %s", bus_error_message(&error));
3896 r = -EIO;
ee5762e3
LP		 3897 goto finish;
3898 }
3899
729e3769
LP		 3900 dbus_message_unref(m);
3901 dbus_message_unref(reply);
3902 m = reply = NULL;
ee5762e3 3903
729e3769
LP		 3904 if (streq(s, "enabled") ||
3905 streq(s, "enabled-runtime") ||
3906 streq(s, "static"))
3907 enabled = true;
3908
3909 if (!arg_quiet)
3910 puts(s);
560d8f23 3911 }
ee5762e3
LP		 3912 }
3913
729e3769 3914 r = enabled ? 0 : 1;
ee5762e3 3915
729e3769
LP		 3916finish:
3917 if (m)
3918 dbus_message_unref(m);
ee5762e3 3919
729e3769
LP		 3920 if (reply)
3921 dbus_message_unref(reply);
ee5762e3 3922
729e3769 3923 dbus_error_free(&error);
ee5762e3
LP		 3924 return r;
3925}
3926
e4b61340 3927static int systemctl_help(void) {
7e4249b9 3928
729e3769
LP		 3929 pager_open_if_enabled();
3930
2e33c433 3931 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
729e3769 3932 "Query or send control commands to the systemd manager.\n\n"
8a0867d6
LP		 3933 " -h --help Show this help\n"
3934 " --version Show package version\n"
3935 " -t --type=TYPE List only units of a particular type\n"
3936 " -p --property=NAME Show only properties by this name\n"
3937 " -a --all Show all units/properties, including dead/empty ones\n"
30732560 3938 " --failed Show only failed units\n"
8a0867d6
LP		 3939 " --full Don't ellipsize unit names on output\n"
3940 " --fail When queueing a new job, fail if conflicting jobs are\n"
3941 " pending\n"
e67c3609
LP		 3942 " --ignore-dependencies\n"
3943 " When queueing a new job, ignore all its dependencies\n"
a8f11321
LP		 3944 " --kill-who=WHO Who to send signal to\n"
3945 " -s --signal=SIGNAL Which signal to send\n"
aca4c786 3946 " -H --host=[USER@]HOST\n"
a8f11321
LP		 3947 " Show information for remote host\n"
3948 " -P --privileged Acquire privileges before execution\n"
8a0867d6
LP		 3949 " -q --quiet Suppress output\n"
3950 " --no-block Do not wait until operation finished\n"
8a0867d6 3951 " --no-wall Don't send wall message before halt/power-off/reboot\n"
8a0867d6
LP		 3952 " --no-reload When enabling/disabling unit files, don't reload daemon\n"
3953 " configuration\n"
ebed32bf 3954 " --no-legend Do not print a legend (column headers and hints)\n"
69fc152f 3955 " --no-pager Do not pipe output into a pager\n"
501fc174
LP		 3956 " --no-ask-password\n"
3957 " Do not ask for system passwords\n"
a8f11321
LP		 3958 " --order When generating graph for dot, show only order\n"
3959 " --require When generating graph for dot, show only requirement\n"
3960 " --system Connect to system manager\n"
3961 " --user Connect to user service manager\n"
3962 " --global Enable/disable unit files globally\n"
8a0867d6
LP		 3963 " -f --force When enabling unit files, override existing symlinks\n"
3964 " When shutting down, execute action immediately\n"
729e3769
LP		 3965 " --root=PATH Enable unit files in the specified root directory\n"
3966 " --runtime Enable unit files only temporarily until next reboot\n\n"
34c4b47b 3967 "Unit Commands:\n"
729e3769 3968 " list-units List loaded units\n"
ee5762e3
LP		 3969 " start [NAME...] Start (activate) one or more units\n"
3970 " stop [NAME...] Stop (deactivate) one or more units\n"
7e4249b9 3971 " reload [NAME...] Reload one or more units\n"
6f28c033
LP		 3972 " restart [NAME...] Start or restart one or more units\n"
3973 " try-restart [NAME...] Restart one or more units if active\n"
3974 " reload-or-restart [NAME...] Reload one or more units is possible,\n"
3975 " otherwise start or restart\n"
3976 " reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
3977 " otherwise restart if active\n"
7e4249b9 3978 " isolate [NAME] Start one unit and stop all others\n"
8a0867d6 3979 " kill [NAME...] Send signal to processes of a unit\n"
ee5762e3 3980 " is-active [NAME...] Check whether units are active\n"
75676b72 3981 " status [NAME...|PID...] Show runtime status of one or more units\n"
6f28c033 3982 " show [NAME...|JOB...] Show properties of one or more\n"
ee5762e3 3983 " units/jobs or the manager\n"
fdf20a31
MM		 3984 " reset-failed [NAME...] Reset failed state for all, one, or more\n"
3985 " units\n"
34c4b47b
LP		 3986 " load [NAME...] Load one or more units\n\n"
3987 "Unit File Commands:\n"
729e3769 3988 " list-unit-files List installed unit files\n"
ee5762e3
LP		 3989 " enable [NAME...] Enable one or more unit files\n"
3990 " disable [NAME...] Disable one or more unit files\n"
729e3769
LP		 3991 " reenable [NAME...] Reenable one or more unit files\n"
3992 " preset [NAME...] Enable/disable one or more unit files\n"
3993 " based on preset configuration\n"
3994 " mask [NAME...] Mask one or more units\n"
3995 " unmask [NAME...] Unmask one or more units\n"
3996 " link [PATH...] Link one or more units files into\n"
3997 " the search path\n"
34c4b47b
LP		 3998 " is-enabled [NAME...] Check whether unit files are enabled\n\n"
3999 "Job Commands:\n"
48220598 4000 " list-jobs List jobs\n"
34c4b47b
LP		 4001 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
4002 "Status Commands:\n"
7e4249b9 4003 " dump Dump server status\n"
34c4b47b
LP		 4004 " dot Dump dependency graph for dot(1)\n\n"
4005 "Snapshot Commands:\n"
7e4249b9 4006 " snapshot [NAME] Create a snapshot\n"
34c4b47b
LP		 4007 " delete [NAME...] Remove one or more snapshots\n\n"
4008 "Environment Commands:\n"
7e4249b9
LP		 4009 " show-environment Dump environment\n"
4010 " set-environment [NAME=VALUE...] Set one or more environment variables\n"
34c4b47b
LP		 4011 " unset-environment [NAME...] Unset one or more environment variables\n\n"
4012 "Manager Lifecycle Commands:\n"
4013 " daemon-reload Reload systemd manager configuration\n"
4014 " daemon-reexec Reexecute systemd manager\n\n"
4015 "System Commands:\n"
20b09ca7
LP		 4016 " default Enter system default mode\n"
4017 " rescue Enter system rescue mode\n"
4018 " emergency Enter system emergency mode\n"
514f4ef5 4019 " halt Shut down and halt the system\n"
2e33c433 4020 " poweroff Shut down and power-off the system\n"
514f4ef5 4021 " reboot Shut down and reboot the system\n"
20b09ca7 4022 " kexec Shut down and reboot the system with kexec\n"
af2d49f7 4023 " exit Ask for user instance termination\n",
5b6319dc 4024 program_invocation_short_name);
7e4249b9
LP		 4025
4026 return 0;
4027}
4028
e4b61340
LP		 4029static int halt_help(void) {
4030
2e33c433 4031 printf("%s [OPTIONS...]\n\n"
e4b61340
LP		 4032 "%s the system.\n\n"
4033 " --help Show this help\n"
4034 " --halt Halt the machine\n"
4035 " -p --poweroff Switch off the machine\n"
4036 " --reboot Reboot the machine\n"
2e33c433
LP		 4037 " -f --force Force immediate halt/power-off/reboot\n"
4038 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
e4b61340 4039 " -d --no-wtmp Don't write wtmp record\n"
2e33c433
LP		 4040 " -n --no-sync Don't sync before halt/power-off/reboot\n"
4041 " --no-wall Don't send wall message before halt/power-off/reboot\n",
e4b61340
LP		 4042 program_invocation_short_name,
4043 arg_action == ACTION_REBOOT ? "Reboot" :
4044 arg_action == ACTION_POWEROFF ? "Power off" :
4045 "Halt");
4046
4047 return 0;
4048}
4049
4050static int shutdown_help(void) {
4051
08e4b1c5 4052 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
e4b61340
LP		 4053 "Shut down the system.\n\n"
4054 " --help Show this help\n"
4055 " -H --halt Halt the machine\n"
4056 " -P --poweroff Power-off the machine\n"
4057 " -r --reboot Reboot the machine\n"
4058 " -h Equivalent to --poweroff, overriden by --halt\n"
2e33c433 4059 " -k Don't halt/power-off/reboot, just send warnings\n"
f6144808 4060 " --no-wall Don't send wall message before halt/power-off/reboot\n"
f6144808 4061 " -c Cancel a pending shutdown\n",
e4b61340
LP		 4062 program_invocation_short_name);
4063
4064 return 0;
4065}
4066
4067static int telinit_help(void) {
4068
2e33c433 4069 printf("%s [OPTIONS...] {COMMAND}\n\n"
514f4ef5
LP		 4070 "Send control commands to the init daemon.\n\n"
4071 " --help Show this help\n"
2e33c433 4072 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
e4b61340
LP		 4073 "Commands:\n"
4074 " 0 Power-off the machine\n"
4075 " 6 Reboot the machine\n"
514f4ef5
LP		 4076 " 2, 3, 4, 5 Start runlevelX.target unit\n"
4077 " 1, s, S Enter rescue mode\n"
4078 " q, Q Reload init daemon configuration\n"
4079 " u, U Reexecute init daemon\n",
e4b61340
LP		 4080 program_invocation_short_name);
4081
4082 return 0;
4083}
4084
4085static int runlevel_help(void) {
4086
2e33c433 4087 printf("%s [OPTIONS...]\n\n"
e4b61340
LP		 4088 "Prints the previous and current runlevel of the init system.\n\n"
4089 " --help Show this help\n",
4090 program_invocation_short_name);
4091
4092 return 0;
4093}
4094
4095static int systemctl_parse_argv(int argc, char *argv[]) {
7e4249b9
LP		 4096
4097 enum {
90d473a1 4098 ARG_FAIL = 0x100,
e67c3609 4099 ARG_IGNORE_DEPENDENCIES,
35df8f27 4100 ARG_VERSION,
af2d49f7 4101 ARG_USER,
7e4249b9 4102 ARG_SYSTEM,
ee5762e3 4103 ARG_GLOBAL,
6e905d93 4104 ARG_NO_BLOCK,
ebed32bf 4105 ARG_NO_LEGEND,
611efaac 4106 ARG_NO_PAGER,
4445a875
LP		 4107 ARG_NO_WALL,
4108 ARG_ORDER,
8fe914ec 4109 ARG_REQUIRE,
be394c48 4110 ARG_ROOT,
ee5762e3 4111 ARG_FULL,
ee5762e3 4112 ARG_NO_RELOAD,
8a0867d6 4113 ARG_KILL_MODE,
501fc174 4114 ARG_KILL_WHO,
30732560 4115 ARG_NO_ASK_PASSWORD,
729e3769
LP		 4116 ARG_FAILED,
4117 ARG_RUNTIME
7e4249b9
LP		 4118 };
4119
4120 static const struct option options[] = {
ee5762e3 4121 { "help", no_argument, NULL, 'h' },
35df8f27 4122 { "version", no_argument, NULL, ARG_VERSION },
ee5762e3
LP		 4123 { "type", required_argument, NULL, 't' },
4124 { "property", required_argument, NULL, 'p' },
4125 { "all", no_argument, NULL, 'a' },
30732560 4126 { "failed", no_argument, NULL, ARG_FAILED },
ee5762e3
LP		 4127 { "full", no_argument, NULL, ARG_FULL },
4128 { "fail", no_argument, NULL, ARG_FAIL },
e67c3609 4129 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES },
af2d49f7 4130 { "user", no_argument, NULL, ARG_USER },
ee5762e3
LP		 4131 { "system", no_argument, NULL, ARG_SYSTEM },
4132 { "global", no_argument, NULL, ARG_GLOBAL },
4133 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
ebed32bf 4134 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
0736af98 4135 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
ee5762e3
LP		 4136 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4137 { "quiet", no_argument, NULL, 'q' },
4138 { "order", no_argument, NULL, ARG_ORDER },
4139 { "require", no_argument, NULL, ARG_REQUIRE },
be394c48 4140 { "root", required_argument, NULL, ARG_ROOT },
b4f27ccc 4141 { "force", no_argument, NULL, 'f' },
ee5762e3 4142 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
69fc152f 4143 { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, /* undocumented on purpose */
8a0867d6
LP		 4144 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
4145 { "signal", required_argument, NULL, 's' },
501fc174 4146 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
a8f11321
LP		 4147 { "host", required_argument, NULL, 'H' },
4148 { "privileged",no_argument, NULL, 'P' },
729e3769 4149 { "runtime", no_argument, NULL, ARG_RUNTIME },
ee5762e3 4150 { NULL, 0, NULL, 0 }
7e4249b9
LP		 4151 };
4152
4153 int c;
4154
e4b61340 4155 assert(argc >= 0);
7e4249b9
LP		 4156 assert(argv);
4157
501fc174
LP		 4158 /* Only when running as systemctl we ask for passwords */
4159 arg_ask_password = true;
4160
a8f11321 4161 while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:P", options, NULL)) >= 0) {
7e4249b9
LP		 4162
4163 switch (c) {
4164
4165 case 'h':
e4b61340 4166 systemctl_help();
7e4249b9 4167 return 0;
35df8f27
LP		 4168
4169 case ARG_VERSION:
4170 puts(PACKAGE_STRING);
7d568925
LP		 4171 puts(DISTRIBUTION);
4172 puts(SYSTEMD_FEATURES);
35df8f27 4173 return 0;
7e4249b9
LP		 4174
4175 case 't':
4176 arg_type = optarg;
4177 break;
4178
ea4a240d
LP		 4179 case 'p': {
4180 char **l;
4181
4182 if (!(l = strv_append(arg_property, optarg)))
4183 return -ENOMEM;
4184
4185 strv_free(arg_property);
4186 arg_property = l;
48220598
LP		 4187
4188 /* If the user asked for a particular
4189 * property, show it to him, even if it is
4190 * empty. */
4191 arg_all = true;
4192 break;
ea4a240d 4193 }
48220598 4194
7e4249b9
LP		 4195 case 'a':
4196 arg_all = true;
4197 break;
4198
90d473a1 4199 case ARG_FAIL:
e67c3609
LP		 4200 arg_job_mode = "fail";
4201 break;
4202
4203 case ARG_IGNORE_DEPENDENCIES:
4204 arg_job_mode = "ignore-dependencies";
7e4249b9
LP		 4205 break;
4206
af2d49f7 4207 case ARG_USER:
729e3769 4208 arg_scope = UNIT_FILE_USER;
7e4249b9
LP		 4209 break;
4210
4211 case ARG_SYSTEM:
729e3769
LP		 4212 arg_scope = UNIT_FILE_SYSTEM;
4213 break;
4214
4215 case ARG_GLOBAL:
4216 arg_scope = UNIT_FILE_GLOBAL;
7e4249b9
LP		 4217 break;
4218
6e905d93
LP		 4219 case ARG_NO_BLOCK:
4220 arg_no_block = true;
7e4249b9
LP		 4221 break;
4222
ebed32bf
MS		 4223 case ARG_NO_LEGEND:
4224 arg_no_legend = true;
4225 break;
4226
611efaac
LP		 4227 case ARG_NO_PAGER:
4228 arg_no_pager = true;
4229 break;
0736af98 4230
514f4ef5
LP		 4231 case ARG_NO_WALL:
4232 arg_no_wall = true;
4233 break;
4234
4445a875
LP		 4235 case ARG_ORDER:
4236 arg_dot = DOT_ORDER;
4237 break;
4238
4239 case ARG_REQUIRE:
4240 arg_dot = DOT_REQUIRE;
4241 break;
4242
be394c48
FC		 4243 case ARG_ROOT:
4244 arg_root = optarg;
4245 break;
4246
8fe914ec
LP		 4247 case ARG_FULL:
4248 arg_full = true;
4249 break;
4250
30732560
LP		 4251 case ARG_FAILED:
4252 arg_failed = true;
4253 break;
4254
0183528f
LP		 4255 case 'q':
4256 arg_quiet = true;
4257 break;
4258
b4f27ccc 4259 case 'f':
ee5762e3
LP		 4260 arg_force = true;
4261 break;
4262
4263 case ARG_NO_RELOAD:
4264 arg_no_reload = true;
4265 break;
4266
8a0867d6
LP		 4267 case ARG_KILL_WHO:
4268 arg_kill_who = optarg;
4269 break;
4270
4271 case ARG_KILL_MODE:
4272 arg_kill_mode = optarg;
4273 break;
4274
4275 case 's':
4276 if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
4277 log_error("Failed to parse signal string %s.", optarg);
4278 return -EINVAL;
4279 }
4280 break;
4281
501fc174
LP		 4282 case ARG_NO_ASK_PASSWORD:
4283 arg_ask_password = false;
4284 break;
4285
a8f11321
LP		 4286 case 'P':
4287 arg_transport = TRANSPORT_POLKIT;
4288 break;
4289
4290 case 'H':
4291 arg_transport = TRANSPORT_SSH;
4292 arg_host = optarg;
4293 break;
4294
729e3769
LP		 4295 case ARG_RUNTIME:
4296 arg_runtime = true;
4297 break;
4298
7e4249b9
LP		 4299 case '?':
4300 return -EINVAL;
4301
4302 default:
4303 log_error("Unknown option code %c", c);
4304 return -EINVAL;
4305 }
4306 }
4307
729e3769 4308 if (arg_transport != TRANSPORT_NORMAL && arg_scope != UNIT_FILE_SYSTEM) {
a8f11321
LP		 4309 log_error("Cannot access user instance remotely.");
4310 return -EINVAL;
4311 }
4312
7e4249b9
LP		 4313 return 1;
4314}
4315
e4b61340
LP		 4316static int halt_parse_argv(int argc, char *argv[]) {
4317
4318 enum {
4319 ARG_HELP = 0x100,
4320 ARG_HALT,
514f4ef5
LP		 4321 ARG_REBOOT,
4322 ARG_NO_WALL
e4b61340
LP		 4323 };
4324
4325 static const struct option options[] = {
4326 { "help", no_argument, NULL, ARG_HELP },
4327 { "halt", no_argument, NULL, ARG_HALT },
4328 { "poweroff", no_argument, NULL, 'p' },
4329 { "reboot", no_argument, NULL, ARG_REBOOT },
4330 { "force", no_argument, NULL, 'f' },
4331 { "wtmp-only", no_argument, NULL, 'w' },
4332 { "no-wtmp", no_argument, NULL, 'd' },
4333 { "no-sync", no_argument, NULL, 'n' },
514f4ef5 4334 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4335 { NULL, 0, NULL, 0 }
4336 };
4337
4338 int c, runlevel;
4339
4340 assert(argc >= 0);
4341 assert(argv);
4342
4343 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
4344 if (runlevel == '0' || runlevel == '6')
4345 arg_immediate = true;
4346
4347 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) {
4348 switch (c) {
4349
4350 case ARG_HELP:
4351 halt_help();
4352 return 0;
4353
4354 case ARG_HALT:
4355 arg_action = ACTION_HALT;
4356 break;
4357
4358 case 'p':
a042efad
MS		 4359 if (arg_action != ACTION_REBOOT)
4360 arg_action = ACTION_POWEROFF;
e4b61340
LP		 4361 break;
4362
4363 case ARG_REBOOT:
4364 arg_action = ACTION_REBOOT;
4365 break;
4366
4367 case 'f':
4368 arg_immediate = true;
4369 break;
4370
4371 case 'w':
4372 arg_dry = true;
4373 break;
4374
4375 case 'd':
4376 arg_no_wtmp = true;
4377 break;
4378
4379 case 'n':
4380 arg_no_sync = true;
4381 break;
4382
514f4ef5
LP		 4383 case ARG_NO_WALL:
4384 arg_no_wall = true;
4385 break;
4386
e4b61340
LP		 4387 case 'i':
4388 case 'h':
4389 /* Compatibility nops */
4390 break;
4391
4392 case '?':
4393 return -EINVAL;
4394
4395 default:
4396 log_error("Unknown option code %c", c);
4397 return -EINVAL;
4398 }
4399 }
4400
4401 if (optind < argc) {
4402 log_error("Too many arguments.");
4403 return -EINVAL;
4404 }
4405
4406 return 1;
4407}
4408
f6144808
LP		 4409static int parse_time_spec(const char *t, usec_t *_u) {
4410 assert(t);
4411 assert(_u);
4412
4413 if (streq(t, "now"))
4414 *_u = 0;
1a639877 4415 else if (!strchr(t, ':')) {
f6144808
LP		 4416 uint64_t u;
4417
1a639877 4418 if (safe_atou64(t, &u) < 0)
f6144808
LP		 4419 return -EINVAL;
4420
4421 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
4422 } else {
4423 char *e = NULL;
4424 long hour, minute;
4425 struct tm tm;
4426 time_t s;
4427 usec_t n;
4428
4429 errno = 0;
4430 hour = strtol(t, &e, 10);
4431 if (errno != 0 || *e != ':' || hour < 0 || hour > 23)
4432 return -EINVAL;
4433
4434 minute = strtol(e+1, &e, 10);
4435 if (errno != 0 || *e != 0 || minute < 0 || minute > 59)
4436 return -EINVAL;
4437
4438 n = now(CLOCK_REALTIME);
08e4b1c5
LP		 4439 s = (time_t) (n / USEC_PER_SEC);
4440
4441 zero(tm);
f6144808
LP		 4442 assert_se(localtime_r(&s, &tm));
4443
4444 tm.tm_hour = (int) hour;
4445 tm.tm_min = (int) minute;
08e4b1c5 4446 tm.tm_sec = 0;
f6144808
LP		 4447
4448 assert_se(s = mktime(&tm));
4449
4450 *_u = (usec_t) s * USEC_PER_SEC;
4451
4452 while (*_u <= n)
4453 *_u += USEC_PER_DAY;
4454 }
4455
4456 return 0;
4457}
4458
e4b61340
LP		 4459static int shutdown_parse_argv(int argc, char *argv[]) {
4460
4461 enum {
4462 ARG_HELP = 0x100,
514f4ef5 4463 ARG_NO_WALL
e4b61340
LP		 4464 };
4465
4466 static const struct option options[] = {
4467 { "help", no_argument, NULL, ARG_HELP },
4468 { "halt", no_argument, NULL, 'H' },
4469 { "poweroff", no_argument, NULL, 'P' },
4470 { "reboot", no_argument, NULL, 'r' },
514f4ef5 4471 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4472 { NULL, 0, NULL, 0 }
4473 };
4474
f6144808 4475 int c, r;
e4b61340
LP		 4476
4477 assert(argc >= 0);
4478 assert(argv);
4479
f6144808 4480 while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
e4b61340
LP		 4481 switch (c) {
4482
4483 case ARG_HELP:
4484 shutdown_help();
4485 return 0;
4486
4487 case 'H':
4488 arg_action = ACTION_HALT;
4489 break;
4490
4491 case 'P':
4492 arg_action = ACTION_POWEROFF;
4493 break;
4494
4495 case 'r':
5622dde3
KS		 4496 if (kexec_loaded())
4497 arg_action = ACTION_KEXEC;
4498 else
4499 arg_action = ACTION_REBOOT;
e4b61340
LP		 4500 break;
4501
4502 case 'h':
4503 if (arg_action != ACTION_HALT)
4504 arg_action = ACTION_POWEROFF;
4505 break;
4506
4507 case 'k':
4508 arg_dry = true;
4509 break;
4510
514f4ef5
LP		 4511 case ARG_NO_WALL:
4512 arg_no_wall = true;
4513 break;
4514
e4b61340
LP		 4515 case 't':
4516 case 'a':
4517 /* Compatibility nops */
4518 break;
4519
f6144808
LP		 4520 case 'c':
4521 arg_action = ACTION_CANCEL_SHUTDOWN;
4522 break;
4523
e4b61340
LP		 4524 case '?':
4525 return -EINVAL;
4526
4527 default:
4528 log_error("Unknown option code %c", c);
4529 return -EINVAL;
4530 }
4531 }
4532
6b5ad000 4533 if (argc > optind) {
f6144808
LP		 4534 if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) {
4535 log_error("Failed to parse time specification: %s", argv[optind]);
4536 return r;
4537 }
6b5ad000 4538 } else
08e4b1c5 4539 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
442b9094 4540
f6144808 4541 /* We skip the time argument */
e4b61340
LP		 4542 if (argc > optind + 1)
4543 arg_wall = argv + optind + 1;
4544
4545 optind = argc;
4546
4547 return 1;
e4b61340
LP		 4548}
4549
4550static int telinit_parse_argv(int argc, char *argv[]) {
4551
4552 enum {
4553 ARG_HELP = 0x100,
514f4ef5 4554 ARG_NO_WALL
e4b61340
LP		 4555 };
4556
4557 static const struct option options[] = {
4558 { "help", no_argument, NULL, ARG_HELP },
514f4ef5 4559 { "no-wall", no_argument, NULL, ARG_NO_WALL },
e4b61340
LP		 4560 { NULL, 0, NULL, 0 }
4561 };
4562
4563 static const struct {
4564 char from;
4565 enum action to;
4566 } table[] = {
4567 { '0', ACTION_POWEROFF },
4568 { '6', ACTION_REBOOT },
ef2f1067 4569 { '1', ACTION_RESCUE },
e4b61340
LP		 4570 { '2', ACTION_RUNLEVEL2 },
4571 { '3', ACTION_RUNLEVEL3 },
4572 { '4', ACTION_RUNLEVEL4 },
4573 { '5', ACTION_RUNLEVEL5 },
4574 { 's', ACTION_RESCUE },
4575 { 'S', ACTION_RESCUE },
4576 { 'q', ACTION_RELOAD },
4577 { 'Q', ACTION_RELOAD },
4578 { 'u', ACTION_REEXEC },
4579 { 'U', ACTION_REEXEC }
4580 };
4581
4582 unsigned i;
4583 int c;
4584
4585 assert(argc >= 0);
4586 assert(argv);
4587
4588 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4589 switch (c) {
4590
4591 case ARG_HELP:
4592 telinit_help();
4593 return 0;
4594
514f4ef5
LP		 4595 case ARG_NO_WALL:
4596 arg_no_wall = true;
4597 break;
4598
e4b61340
LP		 4599 case '?':
4600 return -EINVAL;
4601
4602 default:
4603 log_error("Unknown option code %c", c);
4604 return -EINVAL;
4605 }
4606 }
4607
4608 if (optind >= argc) {
2f02ce40 4609 telinit_help();
e4b61340
LP		 4610 return -EINVAL;
4611 }
4612
4613 if (optind + 1 < argc) {
4614 log_error("Too many arguments.");
4615 return -EINVAL;
4616 }
4617
4618 if (strlen(argv[optind]) != 1) {
4619 log_error("Expected single character argument.");
4620 return -EINVAL;
4621 }
4622
4623 for (i = 0; i < ELEMENTSOF(table); i++)
4624 if (table[i].from == argv[optind][0])
4625 break;
4626
4627 if (i >= ELEMENTSOF(table)) {
4628 log_error("Unknown command %s.", argv[optind]);
4629 return -EINVAL;
4630 }
4631
4632 arg_action = table[i].to;
4633
4634 optind ++;
4635
4636 return 1;
4637}
4638
4639static int runlevel_parse_argv(int argc, char *argv[]) {
4640
4641 enum {
4642 ARG_HELP = 0x100,
4643 };
4644
4645 static const struct option options[] = {
4646 { "help", no_argument, NULL, ARG_HELP },
4647 { NULL, 0, NULL, 0 }
4648 };
4649
4650 int c;
4651
4652 assert(argc >= 0);
4653 assert(argv);
4654
4655 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4656 switch (c) {
4657
4658 case ARG_HELP:
4659 runlevel_help();
4660 return 0;
4661
4662 case '?':
4663 return -EINVAL;
4664
4665 default:
4666 log_error("Unknown option code %c", c);
4667 return -EINVAL;
4668 }
4669 }
4670
4671 if (optind < argc) {
4672 log_error("Too many arguments.");
4673 return -EINVAL;
4674 }
4675
4676 return 1;
4677}
4678
4679static int parse_argv(int argc, char *argv[]) {
4680 assert(argc >= 0);
4681 assert(argv);
4682
4683 if (program_invocation_short_name) {
4684
4685 if (strstr(program_invocation_short_name, "halt")) {
4686 arg_action = ACTION_HALT;
4687 return halt_parse_argv(argc, argv);
4688 } else if (strstr(program_invocation_short_name, "poweroff")) {
4689 arg_action = ACTION_POWEROFF;
4690 return halt_parse_argv(argc, argv);
4691 } else if (strstr(program_invocation_short_name, "reboot")) {
5622dde3
KS		 4692 if (kexec_loaded())
4693 arg_action = ACTION_KEXEC;
4694 else
4695 arg_action = ACTION_REBOOT;
e4b61340
LP		 4696 return halt_parse_argv(argc, argv);
4697 } else if (strstr(program_invocation_short_name, "shutdown")) {
4698 arg_action = ACTION_POWEROFF;
4699 return shutdown_parse_argv(argc, argv);
4700 } else if (strstr(program_invocation_short_name, "init")) {
d5ca5f11
LP		 4701
4702 if (sd_booted() > 0) {
4703 arg_action = ACTION_INVALID;
4704 return telinit_parse_argv(argc, argv);
4705 } else {
4706 /* Hmm, so some other init system is
4707 * running, we need to forward this
4708 * request to it. For now we simply
4709 * guess that it is Upstart. */
4710
4711 execv("/lib/upstart/telinit", argv);
4712
4713 log_error("Couldn't find an alternative telinit implementation to spawn.");
4714 return -EIO;
4715 }
4716
e4b61340
LP		 4717 } else if (strstr(program_invocation_short_name, "runlevel")) {
4718 arg_action = ACTION_RUNLEVEL;
4719 return runlevel_parse_argv(argc, argv);
4720 }
4721 }
4722
4723 arg_action = ACTION_SYSTEMCTL;
4724 return systemctl_parse_argv(argc, argv);
4725}
4726
d55ae9e6 4727static int action_to_runlevel(void) {
eb22ac37
LP		 4728
4729 static const char table[_ACTION_MAX] = {
4730 [ACTION_HALT] = '0',
4731 [ACTION_POWEROFF] = '0',
4732 [ACTION_REBOOT] = '6',
4733 [ACTION_RUNLEVEL2] = '2',
4734 [ACTION_RUNLEVEL3] = '3',
4735 [ACTION_RUNLEVEL4] = '4',
4736 [ACTION_RUNLEVEL5] = '5',
4737 [ACTION_RESCUE] = '1'
4738 };
4739
d55ae9e6
LP		 4740 assert(arg_action < _ACTION_MAX);
4741
4742 return table[arg_action];
4743}
4744
f1c5860b 4745static int talk_upstart(void) {
d55ae9e6
LP		 4746 DBusMessage *m = NULL, *reply = NULL;
4747 DBusError error;
4748 int previous, rl, r;
4749 char
4750 env1_buf[] = "RUNLEVEL=X",
4751 env2_buf[] = "PREVLEVEL=X";
4752 char *env1 = env1_buf, *env2 = env2_buf;
4753 const char *emit = "runlevel";
4754 dbus_bool_t b_false = FALSE;
4755 DBusMessageIter iter, sub;
f1c5860b 4756 DBusConnection *bus;
d55ae9e6
LP		 4757
4758 dbus_error_init(&error);
4759
4760 if (!(rl = action_to_runlevel()))
4761 return 0;
4762
4763 if (utmp_get_runlevel(&previous, NULL) < 0)
4764 previous = 'N';
4765
b574246b 4766 if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) {
f1c5860b
LP		 4767 if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) {
4768 r = 0;
4769 goto finish;
4770 }
4771
4cf5d675 4772 log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
f1c5860b
LP		 4773 r = -EIO;
4774 goto finish;
4775 }
4776
4777 if ((r = bus_check_peercred(bus)) < 0) {
4778 log_error("Failed to verify owner of bus.");
4779 goto finish;
4780 }
4781
d55ae9e6
LP		 4782 if (!(m = dbus_message_new_method_call(
4783 "com.ubuntu.Upstart",
4784 "/com/ubuntu/Upstart",
4785 "com.ubuntu.Upstart0_6",
4786 "EmitEvent"))) {
4787
4788 log_error("Could not allocate message.");
f1c5860b
LP		 4789 r = -ENOMEM;
4790 goto finish;
d55ae9e6
LP		 4791 }
4792
4793 dbus_message_iter_init_append(m, &iter);
4794
4795 env1_buf[sizeof(env1_buf)-2] = rl;
4796 env2_buf[sizeof(env2_buf)-2] = previous;
4797
4798 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &emit) ||
4799 !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub) ||
4800 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env1) ||
4801 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env2) ||
4802 !dbus_message_iter_close_container(&iter, &sub) ||
4803 !dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b_false)) {
4804 log_error("Could not append arguments to message.");
4805 r = -ENOMEM;
4806 goto finish;
4807 }
4808
4809 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
4810
4811 if (error_is_no_service(&error)) {
aabd9b11 4812 r = -EADDRNOTAVAIL;
d55ae9e6
LP		 4813 goto finish;
4814 }
4815
4cf5d675 4816 log_error("Failed to issue method call: %s", bus_error_message(&error));
d55ae9e6
LP		 4817 r = -EIO;
4818 goto finish;
4819 }
4820
0a55b298 4821 r = 1;
d55ae9e6
LP		 4822
4823finish:
4824 if (m)
4825 dbus_message_unref(m);
4826
4827 if (reply)
4828 dbus_message_unref(reply);
4829
b574246b 4830 if (bus) {
5d452f9c 4831 dbus_connection_flush(bus);
b574246b 4832 dbus_connection_close(bus);
f1c5860b 4833 dbus_connection_unref(bus);
b574246b 4834 }
f1c5860b 4835
d55ae9e6
LP		 4836 dbus_error_free(&error);
4837
4838 return r;
4839}
4840
4841static int talk_initctl(void) {
eb22ac37
LP		 4842 struct init_request request;
4843 int r, fd;
d55ae9e6 4844 char rl;
eb22ac37 4845
d55ae9e6 4846 if (!(rl = action_to_runlevel()))
eb22ac37
LP		 4847 return 0;
4848
4849 zero(request);
4850 request.magic = INIT_MAGIC;
4851 request.sleeptime = 0;
4852 request.cmd = INIT_CMD_RUNLVL;
d55ae9e6
LP		 4853 request.runlevel = rl;
4854
4855 if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) {
4856
4857 if (errno == ENOENT)
4858 return 0;
eb22ac37 4859
d55ae9e6 4860 log_error("Failed to open "INIT_FIFO": %m");
eb22ac37 4861 return -errno;
d55ae9e6 4862 }
eb22ac37 4863
d55ae9e6 4864 errno = 0;
eb22ac37
LP		 4865 r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
4866 close_nointr_nofail(fd);
4867
d55ae9e6
LP		 4868 if (r < 0) {
4869 log_error("Failed to write to "INIT_FIFO": %m");
eb22ac37 4870 return errno ? -errno : -EIO;
d55ae9e6 4871 }
eb22ac37
LP		 4872
4873 return 1;
e4b61340
LP		 4874}
4875
ee5762e3 4876static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
7e4249b9 4877
7e4249b9
LP		 4878 static const struct {
4879 const char* verb;
4880 const enum {
4881 MORE,
4882 LESS,
4883 EQUAL
4884 } argc_cmp;
4885 const int argc;
729e3769 4886 int (* const dispatch)(DBusConnection *bus, char **args);
7e4249b9 4887 } verbs[] = {
ee5762e3 4888 { "list-units", LESS, 1, list_units },
729e3769 4889 { "list-unit-files", EQUAL, 1, list_unit_files },
ee5762e3
LP		 4890 { "list-jobs", EQUAL, 1, list_jobs },
4891 { "clear-jobs", EQUAL, 1, daemon_reload },
4892 { "load", MORE, 2, load_unit },
4893 { "cancel", MORE, 2, cancel_job },
4894 { "start", MORE, 2, start_unit },
4895 { "stop", MORE, 2, start_unit },
a76f7be2 4896 { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
ee5762e3
LP		 4897 { "reload", MORE, 2, start_unit },
4898 { "restart", MORE, 2, start_unit },
4899 { "try-restart", MORE, 2, start_unit },
4900 { "reload-or-restart", MORE, 2, start_unit },
4901 { "reload-or-try-restart", MORE, 2, start_unit },
4902 { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
64e5f1b7 4903 { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
ee5762e3
LP		 4904 { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
4905 { "isolate", EQUAL, 2, start_unit },
8a0867d6 4906 { "kill", MORE, 2, kill_unit },
ee5762e3
LP		 4907 { "is-active", MORE, 2, check_unit },
4908 { "check", MORE, 2, check_unit },
4909 { "show", MORE, 1, show },
4910 { "status", MORE, 2, show },
ee5762e3
LP		 4911 { "dump", EQUAL, 1, dump },
4912 { "dot", EQUAL, 1, dot },
4913 { "snapshot", LESS, 2, snapshot },
4914 { "delete", MORE, 2, delete_snapshot },
4915 { "daemon-reload", EQUAL, 1, daemon_reload },
4916 { "daemon-reexec", EQUAL, 1, daemon_reload },
ee5762e3
LP		 4917 { "show-environment", EQUAL, 1, show_enviroment },
4918 { "set-environment", MORE, 2, set_environment },
4919 { "unset-environment", MORE, 2, set_environment },
4920 { "halt", EQUAL, 1, start_special },
4921 { "poweroff", EQUAL, 1, start_special },
4922 { "reboot", EQUAL, 1, start_special },
20b09ca7 4923 { "kexec", EQUAL, 1, start_special },
ee5762e3
LP		 4924 { "default", EQUAL, 1, start_special },
4925 { "rescue", EQUAL, 1, start_special },
4926 { "emergency", EQUAL, 1, start_special },
20b09ca7 4927 { "exit", EQUAL, 1, start_special },
fdf20a31 4928 { "reset-failed", MORE, 1, reset_failed },
ee5762e3
LP		 4929 { "enable", MORE, 2, enable_unit },
4930 { "disable", MORE, 2, enable_unit },
729e3769
LP		 4931 { "is-enabled", MORE, 2, unit_is_enabled },
4932 { "reenable", MORE, 2, enable_unit },
4933 { "preset", MORE, 2, enable_unit },
4934 { "mask", MORE, 2, enable_unit },
4935 { "unmask", MORE, 2, enable_unit },
4936 { "link", MORE, 2, enable_unit }
7e4249b9
LP		 4937 };
4938
e4b61340 4939 int left;
7e4249b9 4940 unsigned i;
7e4249b9 4941
e4b61340
LP		 4942 assert(argc >= 0);
4943 assert(argv);
ee5762e3 4944 assert(error);
7e4249b9
LP		 4945
4946 left = argc - optind;
4947
4948 if (left <= 0)
4949 /* Special rule: no arguments means "list-units" */
4950 i = 0;
4951 else {
0183528f
LP		 4952 if (streq(argv[optind], "help")) {
4953 systemctl_help();
4954 return 0;
4955 }
4956
7e4249b9
LP		 4957 for (i = 0; i < ELEMENTSOF(verbs); i++)
4958 if (streq(argv[optind], verbs[i].verb))
4959 break;
4960
4961 if (i >= ELEMENTSOF(verbs)) {
4962 log_error("Unknown operation %s", argv[optind]);
e4b61340 4963 return -EINVAL;
7e4249b9
LP		 4964 }
4965 }
4966
4967 switch (verbs[i].argc_cmp) {
4968
4969 case EQUAL:
4970 if (left != verbs[i].argc) {
4971 log_error("Invalid number of arguments.");
e4b61340 4972 return -EINVAL;
7e4249b9
LP		 4973 }
4974
4975 break;
4976
4977 case MORE:
4978 if (left < verbs[i].argc) {
4979 log_error("Too few arguments.");
e4b61340 4980 return -EINVAL;
7e4249b9
LP		 4981 }
4982
4983 break;
4984
4985 case LESS:
4986 if (left > verbs[i].argc) {
4987 log_error("Too many arguments.");
e4b61340 4988 return -EINVAL;
7e4249b9
LP		 4989 }
4990
4991 break;
4992
4993 default:
4994 assert_not_reached("Unknown comparison operator.");
4995 }
4996
ee5762e3
LP		 4997 /* Require a bus connection for all operations but
4998 * enable/disable */
729e3769
LP		 4999 if (!streq(verbs[i].verb, "enable") &&
5000 !streq(verbs[i].verb, "disable") &&
5001 !streq(verbs[i].verb, "is-enable") &&
d380a3bc 5002 !streq(verbs[i].verb, "list-unit-files") &&
729e3769
LP		 5003 !streq(verbs[i].verb, "reenable") &&
5004 !streq(verbs[i].verb, "preset") &&
5005 !streq(verbs[i].verb, "mask") &&
5006 !streq(verbs[i].verb, "unmask") &&
5007 !streq(verbs[i].verb, "link")) {
82e23ddd
LP		 5008
5009 if (running_in_chroot() > 0) {
5010 log_info("Running in chroot, ignoring request.");
5011 return 0;
5012 }
5013
8185a509 5014 if (!bus) {
f176b5c2
LP		 5015 log_error("Failed to get D-Bus connection: %s",
5016 dbus_error_is_set(error) ? error->message : "No connection to service manager.");
8185a509
LP		 5017 return -EIO;
5018 }
5019
5020 } else {
5021
729e3769 5022 if (!bus && !avoid_bus()) {
f176b5c2
LP		 5023 log_error("Failed to get D-Bus connection: %s",
5024 dbus_error_is_set(error) ? error->message : "No connection to service manager.");
82e23ddd
LP		 5025 return -EIO;
5026 }
ee5762e3
LP		 5027 }
5028
729e3769 5029 return verbs[i].dispatch(bus, argv + optind);
e4b61340
LP		 5030}
5031
52c00215 5032static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
f6144808
LP		 5033 int fd = -1;
5034 struct msghdr msghdr;
5035 struct iovec iovec;
5036 union sockaddr_union sockaddr;
f6144808
LP		 5037 struct shutdownd_command c;
5038
5039 zero(c);
5040 c.elapse = t;
5041 c.mode = mode;
52c00215 5042 c.dry_run = dry_run;
9be9828c
LP		 5043 c.warn_wall = warn;
5044
5045 if (message)
5046 strncpy(c.wall_message, message, sizeof(c.wall_message));
f6144808
LP		 5047
5048 if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0)
5049 return -errno;
5050
5051 zero(sockaddr);
5052 sockaddr.sa.sa_family = AF_UNIX;
5053 sockaddr.un.sun_path[0] = 0;
2b583ce6 5054 strncpy(sockaddr.un.sun_path, "/run/systemd/shutdownd", sizeof(sockaddr.un.sun_path));
f6144808
LP		 5055
5056 zero(iovec);
5057 iovec.iov_base = (char*) &c;
5058 iovec.iov_len = sizeof(c);
5059
f6144808
LP		 5060 zero(msghdr);
5061 msghdr.msg_name = &sockaddr;
2b583ce6 5062 msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + sizeof("/run/systemd/shutdownd") - 1;
f6144808
LP		 5063
5064 msghdr.msg_iov = &iovec;
5065 msghdr.msg_iovlen = 1;
f6144808
LP		 5066
5067 if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
5068 close_nointr_nofail(fd);
5069 return -errno;
5070 }
5071
5072 close_nointr_nofail(fd);
5073 return 0;
5074}
5075
e4b61340 5076static int reload_with_fallback(DBusConnection *bus) {
e4b61340
LP		 5077
5078 if (bus) {
5079 /* First, try systemd via D-Bus. */
d76702a7 5080 if (daemon_reload(bus, NULL) >= 0)
e4b61340
LP		 5081 return 0;
5082 }
5083
5084 /* Nothing else worked, so let's try signals */
5085 assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
5086
5087 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) {
5088 log_error("kill() failed: %m");
5089 return -errno;
5090 }
5091
5092 return 0;
5093}
5094
5095static int start_with_fallback(DBusConnection *bus) {
e4b61340
LP		 5096
5097 if (bus) {
5098 /* First, try systemd via D-Bus. */
729e3769 5099 if (start_unit(bus, NULL) >= 0)
983d9c90 5100 goto done;
e4b61340
LP		 5101 }
5102
ec7f7f20
LP		 5103 /* Hmm, talking to systemd via D-Bus didn't work. Then
5104 * let's try to talk to Upstart via D-Bus. */
e364ad06 5105 if (talk_upstart() > 0)
ec7f7f20
LP		 5106 goto done;
5107
e4b61340
LP		 5108 /* Nothing else worked, so let's try
5109 * /dev/initctl */
fbc43921 5110 if (talk_initctl() > 0)
983d9c90 5111 goto done;
d55ae9e6
LP		 5112
5113 log_error("Failed to talk to init daemon.");
5114 return -EIO;
983d9c90
LP		 5115
5116done:
5117 warn_wall(arg_action);
5118 return 0;
e4b61340
LP		 5119}
5120
5121static int halt_main(DBusConnection *bus) {
5122 int r;
5123
bc8c2f5c 5124 if (geteuid() != 0) {
cc8a7a61 5125 log_error("Must be root.");
bc8c2f5c
LP		 5126 return -EPERM;
5127 }
5128
f6144808 5129 if (arg_when > 0) {
9be9828c 5130 char *m;
08e4b1c5 5131 char date[FORMAT_TIMESTAMP_MAX];
9be9828c
LP		 5132
5133 m = strv_join(arg_wall, " ");
5134 r = send_shutdownd(arg_when,
5135 arg_action == ACTION_HALT ? 'H' :
5136 arg_action == ACTION_POWEROFF ? 'P' :
5137 'r',
52c00215 5138 arg_dry,
9be9828c
LP		 5139 !arg_no_wall,
5140 m);
5141 free(m);
5142
5143 if (r < 0)
f6144808 5144 log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
08e4b1c5
LP		 5145 else {
5146 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
5147 format_timestamp(date, sizeof(date), arg_when));
f6144808 5148 return 0;
08e4b1c5 5149 }
f6144808
LP		 5150 }
5151
d47b555b 5152 if (!arg_dry && !arg_immediate)
e4b61340
LP		 5153 return start_with_fallback(bus);
5154
d90e1a30
LP		 5155 if (!arg_no_wtmp) {
5156 if (sd_booted() > 0)
5157 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
0ad26e09 5158 else if ((r = utmp_put_shutdown()) < 0)
e4b61340 5159 log_warning("Failed to write utmp record: %s", strerror(-r));
d90e1a30 5160 }
e4b61340
LP		 5161
5162 if (!arg_no_sync)
5163 sync();
5164
5165 if (arg_dry)
5166 return 0;
5167
5168 /* Make sure C-A-D is handled by the kernel from this
5169 * point on... */
5170 reboot(RB_ENABLE_CAD);
5171
5172 switch (arg_action) {
5173
5174 case ACTION_HALT:
3059b1c1 5175 log_info("Halting.");
e4b61340
LP		 5176 reboot(RB_HALT_SYSTEM);
5177 break;
5178
5179 case ACTION_POWEROFF:
3059b1c1 5180 log_info("Powering off.");
e4b61340
LP		 5181 reboot(RB_POWER_OFF);
5182 break;
5183
5184 case ACTION_REBOOT:
3059b1c1 5185 log_info("Rebooting.");
e4b61340
LP		 5186 reboot(RB_AUTOBOOT);
5187 break;
5188
5189 default:
5190 assert_not_reached("Unknown halt action.");
5191 }
5192
5193 /* We should never reach this. */
5194 return -ENOSYS;
5195}
5196
5197static int runlevel_main(void) {
5198 int r, runlevel, previous;
5199
729e3769
LP		 5200 r = utmp_get_runlevel(&runlevel, &previous);
5201 if (r < 0) {
5202 puts("unknown");
e4b61340
LP		 5203 return r;
5204 }
5205
5206 printf("%c %c\n",
5207 previous <= 0 ? 'N' : previous,
5208 runlevel <= 0 ? 'N' : runlevel);
5209
5210 return 0;
5211}
5212
5213int main(int argc, char*argv[]) {
22f4096c 5214 int r, retval = EXIT_FAILURE;
e4b61340
LP		 5215 DBusConnection *bus = NULL;
5216 DBusError error;
5217
5218 dbus_error_init(&error);
5219
5220 log_parse_environment();
2396fb04 5221 log_open();
e4b61340
LP		 5222
5223 if ((r = parse_argv(argc, argv)) < 0)
5224 goto finish;
5225 else if (r == 0) {
22f4096c 5226 retval = EXIT_SUCCESS;
7e4249b9
LP		 5227 goto finish;
5228 }
5229
e4b61340
LP		 5230 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
5231 * let's shortcut this */
5232 if (arg_action == ACTION_RUNLEVEL) {
22f4096c
LP		 5233 r = runlevel_main();
5234 retval = r < 0 ? EXIT_FAILURE : r;
e4b61340
LP		 5235 goto finish;
5236 }
5237
82e23ddd
LP		 5238 if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
5239 log_info("Running in chroot, ignoring request.");
5240 retval = 0;
5241 goto finish;
5242 }
5243
729e3769
LP		 5244 if (!avoid_bus()) {
5245 if (arg_transport == TRANSPORT_NORMAL)
5246 bus_connect(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &bus, &private_bus, &error);
5247 else if (arg_transport == TRANSPORT_POLKIT) {
5248 bus_connect_system_polkit(&bus, &error);
5249 private_bus = false;
5250 } else if (arg_transport == TRANSPORT_SSH) {
5251 bus_connect_system_ssh(NULL, arg_host, &bus, &error);
5252 private_bus = false;
5253 } else
5254 assert_not_reached("Uh, invalid transport...");
5255 }
e4b61340
LP		 5256
5257 switch (arg_action) {
5258
22f4096c
LP		 5259 case ACTION_SYSTEMCTL:
5260 r = systemctl_main(bus, argc, argv, &error);
e4b61340 5261 break;
e4b61340
LP		 5262
5263 case ACTION_HALT:
5264 case ACTION_POWEROFF:
5265 case ACTION_REBOOT:
5622dde3 5266 case ACTION_KEXEC:
22f4096c 5267 r = halt_main(bus);
e4b61340
LP		 5268 break;
5269
e4b61340
LP		 5270 case ACTION_RUNLEVEL2:
5271 case ACTION_RUNLEVEL3:
5272 case ACTION_RUNLEVEL4:
5273 case ACTION_RUNLEVEL5:
5274 case ACTION_RESCUE:
514f4ef5 5275 case ACTION_EMERGENCY:
eb22ac37 5276 case ACTION_DEFAULT:
22f4096c 5277 r = start_with_fallback(bus);
e4b61340 5278 break;
7e4249b9 5279
e4b61340
LP		 5280 case ACTION_RELOAD:
5281 case ACTION_REEXEC:
22f4096c 5282 r = reload_with_fallback(bus);
e4b61340
LP		 5283 break;
5284
f6144808 5285 case ACTION_CANCEL_SHUTDOWN:
52c00215 5286 r = send_shutdownd(0, 0, false, false, NULL);
f6144808
LP		 5287 break;
5288
eb22ac37
LP		 5289 case ACTION_INVALID:
5290 case ACTION_RUNLEVEL:
e4b61340
LP		 5291 default:
5292 assert_not_reached("Unknown action");
5293 }
7e4249b9 5294
22f4096c
LP		 5295 retval = r < 0 ? EXIT_FAILURE : r;
5296
7e4249b9 5297finish:
b574246b 5298 if (bus) {
5d452f9c 5299 dbus_connection_flush(bus);
b574246b 5300 dbus_connection_close(bus);
7e4249b9 5301 dbus_connection_unref(bus);
b574246b 5302 }
7e4249b9 5303
e4b61340
LP		 5304 dbus_error_free(&error);
5305
7e4249b9
LP		 5306 dbus_shutdown();
5307
ea4a240d
LP		 5308 strv_free(arg_property);
5309
1888c907 5310 pager_close();
c0f9c7da 5311 agent_close();
1888c907 5312
7e4249b9
LP		 5313 return retval;
5314}
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