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systemctl: add verbs for special units
[thirdparty/systemd.git] / src / mount.c
1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
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
22 #include <errno.h>
23 #include <stdio.h>
24 #include <mntent.h>
25 #include <sys/epoll.h>
26 #include <signal.h>
27
28 #include "unit.h"
29 #include "mount.h"
30 #include "load-fragment.h"
31 #include "load-dropin.h"
32 #include "log.h"
33 #include "strv.h"
34 #include "mount-setup.h"
35 #include "unit-name.h"
36 #include "mount.h"
37 #include "dbus-mount.h"
38 #include "special.h"
39
40 static const UnitActiveState state_translation_table[_MOUNT_STATE_MAX] = {
41 [MOUNT_DEAD] = UNIT_INACTIVE,
42 [MOUNT_MOUNTING] = UNIT_ACTIVATING,
43 [MOUNT_MOUNTING_DONE] = UNIT_ACTIVE,
44 [MOUNT_MOUNTED] = UNIT_ACTIVE,
45 [MOUNT_REMOUNTING] = UNIT_ACTIVE_RELOADING,
46 [MOUNT_UNMOUNTING] = UNIT_DEACTIVATING,
47 [MOUNT_MOUNTING_SIGTERM] = UNIT_DEACTIVATING,
48 [MOUNT_MOUNTING_SIGKILL] = UNIT_DEACTIVATING,
49 [MOUNT_REMOUNTING_SIGTERM] = UNIT_ACTIVE_RELOADING,
50 [MOUNT_REMOUNTING_SIGKILL] = UNIT_ACTIVE_RELOADING,
51 [MOUNT_UNMOUNTING_SIGTERM] = UNIT_DEACTIVATING,
52 [MOUNT_UNMOUNTING_SIGKILL] = UNIT_DEACTIVATING,
53 [MOUNT_MAINTENANCE] = UNIT_INACTIVE,
54 };
55
56 static void mount_init(Unit *u) {
57 Mount *m = MOUNT(u);
58
59 assert(u);
60 assert(u->meta.load_state == UNIT_STUB);
61
62 m->timeout_usec = DEFAULT_TIMEOUT_USEC;
63 exec_context_init(&m->exec_context);
64
65 /* We need to make sure that /bin/mount is always called in
66 * the same process group as us, so that the autofs kernel
67 * side doesn't send us another mount request while we are
68 * already trying to comply its last one. */
69 m->exec_context.no_setsid = true;
70
71 m->timer_watch.type = WATCH_INVALID;
72
73 m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
74 }
75
76 static void mount_unwatch_control_pid(Mount *m) {
77 assert(m);
78
79 if (m->control_pid <= 0)
80 return;
81
82 unit_unwatch_pid(UNIT(m), m->control_pid);
83 m->control_pid = 0;
84 }
85
86 static void mount_parameters_done(MountParameters *p) {
87 assert(p);
88
89 free(p->what);
90 free(p->options);
91 free(p->fstype);
92
93 p->what = p->options = p->fstype = NULL;
94 }
95
96 static void mount_done(Unit *u) {
97 Mount *m = MOUNT(u);
98
99 assert(m);
100
101 free(m->where);
102 m->where = NULL;
103
104 mount_parameters_done(&m->parameters_etc_fstab);
105 mount_parameters_done(&m->parameters_proc_self_mountinfo);
106 mount_parameters_done(&m->parameters_fragment);
107
108 exec_context_done(&m->exec_context);
109 exec_command_done_array(m->exec_command, _MOUNT_EXEC_COMMAND_MAX);
110 m->control_command = NULL;
111
112 mount_unwatch_control_pid(m);
113
114 unit_unwatch_timer(u, &m->timer_watch);
115 }
116
117 static int mount_add_mount_links(Mount *m) {
118 Meta *other;
119 int r;
120
121 assert(m);
122
123 /* Adds in links to other mount points that might lie below or
124 * above us in the hierarchy */
125
126 LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_MOUNT]) {
127 Mount *n = (Mount*) other;
128
129 if (n == m)
130 continue;
131
132 if (n->meta.load_state != UNIT_LOADED)
133 continue;
134
135 if (path_startswith(m->where, n->where)) {
136
137 if ((r = unit_add_dependency(UNIT(m), UNIT_AFTER, UNIT(n), true)) < 0)
138 return r;
139
140 if (n->from_etc_fstab || n->from_fragment)
141 if ((r = unit_add_dependency(UNIT(m), UNIT_REQUIRES, UNIT(n), true)) < 0)
142 return r;
143
144 } else if (path_startswith(n->where, m->where)) {
145
146 if ((r = unit_add_dependency(UNIT(m), UNIT_BEFORE, UNIT(n), true)) < 0)
147 return r;
148
149 if (m->from_etc_fstab || m->from_fragment)
150 if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0)
151 return r;
152 }
153 }
154
155 return 0;
156 }
157
158 static int mount_add_swap_links(Mount *m) {
159 Meta *other;
160 int r;
161
162 assert(m);
163
164 LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_SWAP])
165 if ((r = swap_add_one_mount_link((Swap*) other, m)) < 0)
166 return r;
167
168 return 0;
169 }
170
171 static int mount_add_path_links(Mount *m) {
172 Meta *other;
173 int r;
174
175 assert(m);
176
177 LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_PATH])
178 if ((r = path_add_one_mount_link((Path*) other, m)) < 0)
179 return r;
180
181 return 0;
182 }
183
184 static int mount_add_automount_links(Mount *m) {
185 Meta *other;
186 int r;
187
188 assert(m);
189
190 LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_AUTOMOUNT])
191 if ((r = automount_add_one_mount_link((Automount*) other, m)) < 0)
192 return r;
193
194 return 0;
195 }
196
197 static int mount_add_socket_links(Mount *m) {
198 Meta *other;
199 int r;
200
201 assert(m);
202
203 LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_SOCKET])
204 if ((r = socket_add_one_mount_link((Socket*) other, m)) < 0)
205 return r;
206
207 return 0;
208 }
209
210 static char* mount_test_option(const char *haystack, const char *needle) {
211 struct mntent me;
212
213 assert(needle);
214
215 /* Like glibc's hasmntopt(), but works on a string, not a
216 * struct mntent */
217
218 if (!haystack)
219 return false;
220
221 zero(me);
222 me.mnt_opts = (char*) haystack;
223
224 return hasmntopt(&me, needle);
225 }
226
227 static int mount_add_target_links(Mount *m) {
228 const char *target;
229 MountParameters *p;
230 Unit *tu;
231 int r;
232 bool noauto, handle, automount, user;
233
234 assert(m);
235
236 if (m->from_fragment)
237 p = &m->parameters_fragment;
238 else if (m->from_etc_fstab)
239 p = &m->parameters_etc_fstab;
240 else
241 return 0;
242
243 noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO);
244 user = mount_test_option(p->options, "user") || mount_test_option(p->options, "users");
245 handle = !!mount_test_option(p->options, "comment=systemd.mount");
246 automount = !!mount_test_option(p->options, "comment=systemd.automount");
247
248 if (mount_test_option(p->options, "_netdev") ||
249 fstype_is_network(p->fstype))
250 target = SPECIAL_REMOTE_FS_TARGET;
251 else
252 target = SPECIAL_LOCAL_FS_TARGET;
253
254 if ((r = manager_load_unit(UNIT(m)->meta.manager, target, NULL, &tu)) < 0)
255 return r;
256
257 if (automount && m->meta.manager->running_as != MANAGER_SESSION) {
258 Unit *am;
259
260 if ((r = unit_load_related_unit(UNIT(m), ".automount", &am)) < 0)
261 return r;
262
263 if ((r = unit_add_dependency(tu, UNIT_WANTS, UNIT(am), true)) < 0)
264 return r;
265
266 return unit_add_dependency(UNIT(am), UNIT_BEFORE, tu, true);
267
268 } else {
269
270 if (!noauto && handle)
271 if (user || m->meta.manager->running_as != MANAGER_SESSION)
272 if ((r = unit_add_dependency(tu, UNIT_WANTS, UNIT(m), true)) < 0)
273 return r;
274
275 return unit_add_dependency(UNIT(m), UNIT_BEFORE, tu, true);
276 }
277 }
278
279 static int mount_verify(Mount *m) {
280 bool b;
281 char *e;
282 assert(m);
283
284 if (m->meta.load_state != UNIT_LOADED)
285 return 0;
286
287 if (!m->from_etc_fstab && !m->from_fragment && !m->from_proc_self_mountinfo)
288 return -ENOENT;
289
290 if (!(e = unit_name_from_path(m->where, ".mount")))
291 return -ENOMEM;
292
293 b = unit_has_name(UNIT(m), e);
294 free(e);
295
296 if (!b) {
297 log_error("%s's Where setting doesn't match unit name. Refusing.", UNIT(m)->meta.id);
298 return -EINVAL;
299 }
300
301 if (m->meta.fragment_path && !m->parameters_fragment.what) {
302 log_error("%s's What setting is missing. Refusing.", UNIT(m)->meta.id);
303 return -EBADMSG;
304 }
305
306 return 0;
307 }
308
309 static int mount_load(Unit *u) {
310 Mount *m = MOUNT(u);
311 int r;
312
313 assert(u);
314 assert(u->meta.load_state == UNIT_STUB);
315
316 if ((r = unit_load_fragment_and_dropin_optional(u)) < 0)
317 return r;
318
319 /* This is a new unit? Then let's add in some extras */
320 if (u->meta.load_state == UNIT_LOADED) {
321 const char *what = NULL;
322
323 if (m->meta.fragment_path)
324 m->from_fragment = true;
325
326 if (!m->where)
327 if (!(m->where = unit_name_to_path(u->meta.id)))
328 return -ENOMEM;
329
330 path_kill_slashes(m->where);
331
332 if (!m->meta.description)
333 if ((r = unit_set_description(u, m->where)) < 0)
334 return r;
335
336 if (m->from_fragment && m->parameters_fragment.what)
337 what = m->parameters_fragment.what;
338 else if (m->from_etc_fstab && m->parameters_etc_fstab.what)
339 what = m->parameters_etc_fstab.what;
340 else if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what)
341 what = m->parameters_proc_self_mountinfo.what;
342
343 if (what)
344 if ((r = unit_add_node_link(u, what,
345 (u->meta.manager->running_as == MANAGER_INIT ||
346 u->meta.manager->running_as == MANAGER_SYSTEM))) < 0)
347 return r;
348
349 if ((r = mount_add_mount_links(m)) < 0)
350 return r;
351
352 if ((r = mount_add_socket_links(m)) < 0)
353 return r;
354
355 if ((r = mount_add_swap_links(m)) < 0)
356 return r;
357
358 if ((r = mount_add_path_links(m)) < 0)
359 return r;
360
361 if ((r = mount_add_automount_links(m)) < 0)
362 return r;
363
364 if ((r = mount_add_target_links(m)) < 0)
365 return r;
366
367 if ((r = unit_add_default_cgroup(u)) < 0)
368 return r;
369 }
370
371 return mount_verify(m);
372 }
373
374 static int mount_notify_automount(Mount *m, int status) {
375 Unit *p;
376 int r;
377
378 assert(m);
379
380 if ((r = unit_get_related_unit(UNIT(m), ".automount", &p)) < 0)
381 return r == -ENOENT ? 0 : r;
382
383 return automount_send_ready(AUTOMOUNT(p), status);
384 }
385
386 static void mount_set_state(Mount *m, MountState state) {
387 MountState old_state;
388 assert(m);
389
390 old_state = m->state;
391 m->state = state;
392
393 if (state != MOUNT_MOUNTING &&
394 state != MOUNT_MOUNTING_DONE &&
395 state != MOUNT_REMOUNTING &&
396 state != MOUNT_UNMOUNTING &&
397 state != MOUNT_MOUNTING_SIGTERM &&
398 state != MOUNT_MOUNTING_SIGKILL &&
399 state != MOUNT_UNMOUNTING_SIGTERM &&
400 state != MOUNT_UNMOUNTING_SIGKILL &&
401 state != MOUNT_REMOUNTING_SIGTERM &&
402 state != MOUNT_REMOUNTING_SIGKILL) {
403 unit_unwatch_timer(UNIT(m), &m->timer_watch);
404 mount_unwatch_control_pid(m);
405 m->control_command = NULL;
406 m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
407 }
408
409 if (state == MOUNT_MOUNTED ||
410 state == MOUNT_REMOUNTING)
411 mount_notify_automount(m, 0);
412 else if (state == MOUNT_DEAD ||
413 state == MOUNT_UNMOUNTING ||
414 state == MOUNT_MOUNTING_SIGTERM ||
415 state == MOUNT_MOUNTING_SIGKILL ||
416 state == MOUNT_REMOUNTING_SIGTERM ||
417 state == MOUNT_REMOUNTING_SIGKILL ||
418 state == MOUNT_UNMOUNTING_SIGTERM ||
419 state == MOUNT_UNMOUNTING_SIGKILL ||
420 state == MOUNT_MAINTENANCE)
421 mount_notify_automount(m, -ENODEV);
422
423 if (state != old_state)
424 log_debug("%s changed %s -> %s",
425 UNIT(m)->meta.id,
426 mount_state_to_string(old_state),
427 mount_state_to_string(state));
428
429 unit_notify(UNIT(m), state_translation_table[old_state], state_translation_table[state]);
430 }
431
432 static int mount_coldplug(Unit *u) {
433 Mount *m = MOUNT(u);
434 MountState new_state = MOUNT_DEAD;
435 int r;
436
437 assert(m);
438 assert(m->state == MOUNT_DEAD);
439
440 if (m->deserialized_state != m->state)
441 new_state = m->deserialized_state;
442 else if (m->from_proc_self_mountinfo)
443 new_state = MOUNT_MOUNTED;
444
445 if (new_state != m->state) {
446
447 if (new_state == MOUNT_MOUNTING ||
448 new_state == MOUNT_MOUNTING_DONE ||
449 new_state == MOUNT_REMOUNTING ||
450 new_state == MOUNT_UNMOUNTING ||
451 new_state == MOUNT_MOUNTING_SIGTERM ||
452 new_state == MOUNT_MOUNTING_SIGKILL ||
453 new_state == MOUNT_UNMOUNTING_SIGTERM ||
454 new_state == MOUNT_UNMOUNTING_SIGKILL ||
455 new_state == MOUNT_REMOUNTING_SIGTERM ||
456 new_state == MOUNT_REMOUNTING_SIGKILL) {
457
458 if (m->control_pid <= 0)
459 return -EBADMSG;
460
461 if ((r = unit_watch_pid(UNIT(m), m->control_pid)) < 0)
462 return r;
463
464 if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0)
465 return r;
466 }
467
468 mount_set_state(m, new_state);
469 }
470
471 return 0;
472 }
473
474 static void mount_dump(Unit *u, FILE *f, const char *prefix) {
475 Mount *m = MOUNT(u);
476 MountParameters *p;
477
478 assert(m);
479 assert(f);
480
481 if (m->from_proc_self_mountinfo)
482 p = &m->parameters_proc_self_mountinfo;
483 else if (m->from_fragment)
484 p = &m->parameters_fragment;
485 else
486 p = &m->parameters_etc_fstab;
487
488 fprintf(f,
489 "%sMount State: %s\n"
490 "%sWhere: %s\n"
491 "%sWhat: %s\n"
492 "%sFile System Type: %s\n"
493 "%sOptions: %s\n"
494 "%sFrom /etc/fstab: %s\n"
495 "%sFrom /proc/self/mountinfo: %s\n"
496 "%sFrom fragment: %s\n"
497 "%sKillMode: %s\n",
498 prefix, mount_state_to_string(m->state),
499 prefix, m->where,
500 prefix, strna(p->what),
501 prefix, strna(p->fstype),
502 prefix, strna(p->options),
503 prefix, yes_no(m->from_etc_fstab),
504 prefix, yes_no(m->from_proc_self_mountinfo),
505 prefix, yes_no(m->from_fragment),
506 prefix, kill_mode_to_string(m->kill_mode));
507
508 if (m->control_pid > 0)
509 fprintf(f,
510 "%sControl PID: %llu\n",
511 prefix, (unsigned long long) m->control_pid);
512
513 exec_context_dump(&m->exec_context, f, prefix);
514 }
515
516 static int mount_spawn(Mount *m, ExecCommand *c, pid_t *_pid) {
517 pid_t pid;
518 int r;
519
520 assert(m);
521 assert(c);
522 assert(_pid);
523
524 if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0)
525 goto fail;
526
527 if ((r = exec_spawn(c,
528 NULL,
529 &m->exec_context,
530 NULL, 0,
531 m->meta.manager->environment,
532 true,
533 true,
534 UNIT(m)->meta.manager->confirm_spawn,
535 UNIT(m)->meta.cgroup_bondings,
536 &pid)) < 0)
537 goto fail;
538
539 if ((r = unit_watch_pid(UNIT(m), pid)) < 0)
540 /* FIXME: we need to do something here */
541 goto fail;
542
543 *_pid = pid;
544
545 return 0;
546
547 fail:
548 unit_unwatch_timer(UNIT(m), &m->timer_watch);
549
550 return r;
551 }
552
553 static void mount_enter_dead(Mount *m, bool success) {
554 assert(m);
555
556 if (!success)
557 m->failure = true;
558
559 mount_set_state(m, m->failure ? MOUNT_MAINTENANCE : MOUNT_DEAD);
560 }
561
562 static void mount_enter_mounted(Mount *m, bool success) {
563 assert(m);
564
565 if (!success)
566 m->failure = true;
567
568 mount_set_state(m, MOUNT_MOUNTED);
569 }
570
571 static void mount_enter_signal(Mount *m, MountState state, bool success) {
572 int r;
573 bool sent = false;
574
575 assert(m);
576
577 if (!success)
578 m->failure = true;
579
580 if (m->kill_mode != KILL_NONE) {
581 int sig = (state == MOUNT_MOUNTING_SIGTERM ||
582 state == MOUNT_UNMOUNTING_SIGTERM ||
583 state == MOUNT_REMOUNTING_SIGTERM) ? SIGTERM : SIGKILL;
584
585 if (m->kill_mode == KILL_CONTROL_GROUP) {
586
587 if ((r = cgroup_bonding_kill_list(UNIT(m)->meta.cgroup_bondings, sig)) < 0) {
588 if (r != -EAGAIN && r != -ESRCH)
589 goto fail;
590 } else
591 sent = true;
592 }
593
594 if (!sent && m->control_pid > 0)
595 if (kill(m->kill_mode == KILL_PROCESS ? m->control_pid : -m->control_pid, sig) < 0 && errno != ESRCH) {
596 r = -errno;
597 goto fail;
598 }
599 }
600
601 if (sent) {
602 if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0)
603 goto fail;
604
605 mount_set_state(m, state);
606 } else if (state == MOUNT_REMOUNTING_SIGTERM || state == MOUNT_REMOUNTING_SIGKILL)
607 mount_enter_mounted(m, true);
608 else
609 mount_enter_dead(m, true);
610
611 return;
612
613 fail:
614 log_warning("%s failed to kill processes: %s", UNIT(m)->meta.id, strerror(-r));
615
616 if (state == MOUNT_REMOUNTING_SIGTERM || state == MOUNT_REMOUNTING_SIGKILL)
617 mount_enter_mounted(m, false);
618 else
619 mount_enter_dead(m, false);
620 }
621
622 static void mount_enter_unmounting(Mount *m, bool success) {
623 int r;
624
625 assert(m);
626
627 if (!success)
628 m->failure = true;
629
630 m->control_command_id = MOUNT_EXEC_UNMOUNT;
631 m->control_command = m->exec_command + MOUNT_EXEC_UNMOUNT;
632
633 if ((r = exec_command_set(
634 m->control_command,
635 "/bin/umount",
636 m->where,
637 NULL)) < 0)
638 goto fail;
639
640 mount_unwatch_control_pid(m);
641
642 if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0)
643 goto fail;
644
645 mount_set_state(m, MOUNT_UNMOUNTING);
646
647 return;
648
649 fail:
650 log_warning("%s failed to run umount exectuable: %s", UNIT(m)->meta.id, strerror(-r));
651 mount_enter_mounted(m, false);
652 }
653
654 static void mount_enter_mounting(Mount *m) {
655 int r;
656
657 assert(m);
658
659 m->control_command_id = MOUNT_EXEC_MOUNT;
660 m->control_command = m->exec_command + MOUNT_EXEC_MOUNT;
661
662 if (m->from_fragment)
663 r = exec_command_set(
664 m->control_command,
665 "/bin/mount",
666 m->parameters_fragment.what,
667 m->where,
668 "-t", m->parameters_fragment.fstype,
669 m->parameters_fragment.options ? "-o" : NULL, m->parameters_fragment.options,
670 NULL);
671 else if (m->from_etc_fstab)
672 r = exec_command_set(
673 m->control_command,
674 "/bin/mount",
675 m->where,
676 NULL);
677 else
678 r = -ENOENT;
679
680 if (r < 0)
681 goto fail;
682
683 mount_unwatch_control_pid(m);
684
685 if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0)
686 goto fail;
687
688 mount_set_state(m, MOUNT_MOUNTING);
689
690 return;
691
692 fail:
693 log_warning("%s failed to run mount exectuable: %s", UNIT(m)->meta.id, strerror(-r));
694 mount_enter_dead(m, false);
695 }
696
697 static void mount_enter_mounting_done(Mount *m) {
698 assert(m);
699
700 mount_set_state(m, MOUNT_MOUNTING_DONE);
701 }
702
703 static void mount_enter_remounting(Mount *m, bool success) {
704 int r;
705
706 assert(m);
707
708 if (!success)
709 m->failure = true;
710
711 m->control_command_id = MOUNT_EXEC_REMOUNT;
712 m->control_command = m->exec_command + MOUNT_EXEC_REMOUNT;
713
714 if (m->from_fragment) {
715 char *buf = NULL;
716 const char *o;
717
718 if (m->parameters_fragment.options) {
719 if (!(buf = strappend("remount,", m->parameters_fragment.options))) {
720 r = -ENOMEM;
721 goto fail;
722 }
723
724 o = buf;
725 } else
726 o = "remount";
727
728 r = exec_command_set(
729 m->control_command,
730 "/bin/mount",
731 m->parameters_fragment.what,
732 m->where,
733 "-t", m->parameters_fragment.fstype,
734 "-o", o,
735 NULL);
736
737 free(buf);
738 } else if (m->from_etc_fstab)
739 r = exec_command_set(
740 m->control_command,
741 "/bin/mount",
742 m->where,
743 "-o", "remount",
744 NULL);
745 else
746 r = -ENOENT;
747
748 if (r < 0) {
749 r = -ENOMEM;
750 goto fail;
751 }
752
753 mount_unwatch_control_pid(m);
754
755 if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0)
756 goto fail;
757
758 mount_set_state(m, MOUNT_REMOUNTING);
759
760 return;
761
762 fail:
763 mount_enter_mounted(m, false);
764 }
765
766 static int mount_start(Unit *u) {
767 Mount *m = MOUNT(u);
768
769 assert(m);
770
771 /* We cannot fulfill this request right now, try again later
772 * please! */
773 if (m->state == MOUNT_UNMOUNTING ||
774 m->state == MOUNT_UNMOUNTING_SIGTERM ||
775 m->state == MOUNT_UNMOUNTING_SIGKILL)
776 return -EAGAIN;
777
778 /* Already on it! */
779 if (m->state == MOUNT_MOUNTING ||
780 m->state == MOUNT_MOUNTING_SIGTERM ||
781 m->state == MOUNT_MOUNTING_SIGKILL)
782 return 0;
783
784 assert(m->state == MOUNT_DEAD || m->state == MOUNT_MAINTENANCE);
785
786 m->failure = false;
787 mount_enter_mounting(m);
788 return 0;
789 }
790
791 static int mount_stop(Unit *u) {
792 Mount *m = MOUNT(u);
793
794 assert(m);
795
796 /* Cann't do this right now. */
797 if (m->state == MOUNT_MOUNTING ||
798 m->state == MOUNT_MOUNTING_DONE ||
799 m->state == MOUNT_MOUNTING_SIGTERM ||
800 m->state == MOUNT_MOUNTING_SIGKILL ||
801 m->state == MOUNT_REMOUNTING ||
802 m->state == MOUNT_REMOUNTING_SIGTERM ||
803 m->state == MOUNT_REMOUNTING_SIGKILL)
804 return -EAGAIN;
805
806 /* Already on it */
807 if (m->state == MOUNT_UNMOUNTING ||
808 m->state == MOUNT_UNMOUNTING_SIGKILL ||
809 m->state == MOUNT_UNMOUNTING_SIGTERM)
810 return 0;
811
812 assert(m->state == MOUNT_MOUNTED);
813
814 mount_enter_unmounting(m, true);
815 return 0;
816 }
817
818 static int mount_reload(Unit *u) {
819 Mount *m = MOUNT(u);
820
821 assert(m);
822
823 if (m->state == MOUNT_MOUNTING_DONE)
824 return -EAGAIN;
825
826 assert(m->state == MOUNT_MOUNTED);
827
828 mount_enter_remounting(m, true);
829 return 0;
830 }
831
832 static int mount_serialize(Unit *u, FILE *f, FDSet *fds) {
833 Mount *m = MOUNT(u);
834
835 assert(m);
836 assert(f);
837 assert(fds);
838
839 unit_serialize_item(u, f, "state", mount_state_to_string(m->state));
840 unit_serialize_item(u, f, "failure", yes_no(m->failure));
841
842 if (m->control_pid > 0)
843 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) m->control_pid);
844
845 if (m->control_command_id >= 0)
846 unit_serialize_item(u, f, "control-command", mount_exec_command_to_string(m->control_command_id));
847
848 return 0;
849 }
850
851 static int mount_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
852 Mount *m = MOUNT(u);
853 int r;
854
855 assert(u);
856 assert(key);
857 assert(value);
858 assert(fds);
859
860 if (streq(key, "state")) {
861 MountState state;
862
863 if ((state = mount_state_from_string(value)) < 0)
864 log_debug("Failed to parse state value %s", value);
865 else
866 m->deserialized_state = state;
867 } else if (streq(key, "failure")) {
868 int b;
869
870 if ((b = parse_boolean(value)) < 0)
871 log_debug("Failed to parse failure value %s", value);
872 else
873 m->failure = b || m->failure;
874
875 } else if (streq(key, "control-pid")) {
876 pid_t pid;
877
878 if ((r = parse_pid(value, &pid)) < 0)
879 log_debug("Failed to parse control-pid value %s", value);
880 else
881 m->control_pid = pid;
882 } else if (streq(key, "control-command")) {
883 MountExecCommand id;
884
885 if ((id = mount_exec_command_from_string(value)) < 0)
886 log_debug("Failed to parse exec-command value %s", value);
887 else {
888 m->control_command_id = id;
889 m->control_command = m->exec_command + id;
890 }
891
892 } else
893 log_debug("Unknown serialization key '%s'", key);
894
895 return 0;
896 }
897
898 static UnitActiveState mount_active_state(Unit *u) {
899 assert(u);
900
901 return state_translation_table[MOUNT(u)->state];
902 }
903
904 static const char *mount_sub_state_to_string(Unit *u) {
905 assert(u);
906
907 return mount_state_to_string(MOUNT(u)->state);
908 }
909
910 static bool mount_check_gc(Unit *u) {
911 Mount *m = MOUNT(u);
912
913 assert(m);
914
915 return m->from_etc_fstab || m->from_proc_self_mountinfo;
916 }
917
918 static void mount_sigchld_event(Unit *u, pid_t pid, int code, int status) {
919 Mount *m = MOUNT(u);
920 bool success;
921
922 assert(m);
923 assert(pid >= 0);
924
925 if (pid != m->control_pid)
926 return;
927
928 m->control_pid = 0;
929
930 success = is_clean_exit(code, status);
931 m->failure = m->failure || !success;
932
933 if (m->control_command) {
934 exec_status_fill(&m->control_command->exec_status, pid, code, status);
935 m->control_command = NULL;
936 m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
937 }
938
939 log_debug("%s control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
940
941 /* Note that mount(8) returning and the kernel sending us a
942 * mount table change event might happen out-of-order. If an
943 * operation succeed we assume the kernel will follow soon too
944 * and already change into the resulting state. If it fails
945 * we check if the kernel still knows about the mount. and
946 * change state accordingly. */
947
948 switch (m->state) {
949
950 case MOUNT_MOUNTING:
951 case MOUNT_MOUNTING_DONE:
952 case MOUNT_MOUNTING_SIGKILL:
953 case MOUNT_MOUNTING_SIGTERM:
954 case MOUNT_REMOUNTING:
955 case MOUNT_REMOUNTING_SIGKILL:
956 case MOUNT_REMOUNTING_SIGTERM:
957
958 if (success)
959 mount_enter_mounted(m, true);
960 else if (m->from_proc_self_mountinfo)
961 mount_enter_mounted(m, false);
962 else
963 mount_enter_dead(m, false);
964 break;
965
966 case MOUNT_UNMOUNTING:
967 case MOUNT_UNMOUNTING_SIGKILL:
968 case MOUNT_UNMOUNTING_SIGTERM:
969
970 if (success)
971 mount_enter_dead(m, true);
972 else if (m->from_proc_self_mountinfo)
973 mount_enter_mounted(m, false);
974 else
975 mount_enter_dead(m, false);
976 break;
977
978 default:
979 assert_not_reached("Uh, control process died at wrong time.");
980 }
981 }
982
983 static void mount_timer_event(Unit *u, uint64_t elapsed, Watch *w) {
984 Mount *m = MOUNT(u);
985
986 assert(m);
987 assert(elapsed == 1);
988 assert(w == &m->timer_watch);
989
990 switch (m->state) {
991
992 case MOUNT_MOUNTING:
993 case MOUNT_MOUNTING_DONE:
994 log_warning("%s mounting timed out. Stopping.", u->meta.id);
995 mount_enter_signal(m, MOUNT_MOUNTING_SIGTERM, false);
996 break;
997
998 case MOUNT_REMOUNTING:
999 log_warning("%s remounting timed out. Stopping.", u->meta.id);
1000 mount_enter_signal(m, MOUNT_REMOUNTING_SIGTERM, false);
1001 break;
1002
1003 case MOUNT_UNMOUNTING:
1004 log_warning("%s unmounting timed out. Stopping.", u->meta.id);
1005 mount_enter_signal(m, MOUNT_UNMOUNTING_SIGTERM, false);
1006 break;
1007
1008 case MOUNT_MOUNTING_SIGTERM:
1009 log_warning("%s mounting timed out. Killing.", u->meta.id);
1010 mount_enter_signal(m, MOUNT_MOUNTING_SIGKILL, false);
1011 break;
1012
1013 case MOUNT_REMOUNTING_SIGTERM:
1014 log_warning("%s remounting timed out. Killing.", u->meta.id);
1015 mount_enter_signal(m, MOUNT_REMOUNTING_SIGKILL, false);
1016 break;
1017
1018 case MOUNT_UNMOUNTING_SIGTERM:
1019 log_warning("%s unmounting timed out. Killing.", u->meta.id);
1020 mount_enter_signal(m, MOUNT_UNMOUNTING_SIGKILL, false);
1021 break;
1022
1023 case MOUNT_MOUNTING_SIGKILL:
1024 case MOUNT_REMOUNTING_SIGKILL:
1025 case MOUNT_UNMOUNTING_SIGKILL:
1026 log_warning("%s mount process still around after SIGKILL. Ignoring.", u->meta.id);
1027
1028 if (m->from_proc_self_mountinfo)
1029 mount_enter_mounted(m, false);
1030 else
1031 mount_enter_dead(m, false);
1032 break;
1033
1034 default:
1035 assert_not_reached("Timeout at wrong time.");
1036 }
1037 }
1038
1039 static int mount_add_one(
1040 Manager *m,
1041 const char *what,
1042 const char *where,
1043 const char *options,
1044 const char *fstype,
1045 bool from_proc_self_mountinfo,
1046 bool set_flags) {
1047 int r;
1048 Unit *u;
1049 bool delete;
1050 char *e, *w = NULL, *o = NULL, *f = NULL;
1051 MountParameters *p;
1052
1053 assert(m);
1054 assert(what);
1055 assert(where);
1056 assert(options);
1057 assert(fstype);
1058
1059 assert(!set_flags || from_proc_self_mountinfo);
1060
1061 /* Ignore API mount points. They should never be referenced in
1062 * dependencies ever. */
1063 if (mount_point_is_api(where))
1064 return 0;
1065
1066 if (streq(fstype, "autofs"))
1067 return 0;
1068
1069 /* probably some kind of swap, ignore */
1070 if (!is_path(where))
1071 return 0;
1072
1073 if (!(e = unit_name_from_path(where, ".mount")))
1074 return -ENOMEM;
1075
1076 if (!(u = manager_get_unit(m, e))) {
1077 delete = true;
1078
1079 if (!(u = unit_new(m))) {
1080 free(e);
1081 return -ENOMEM;
1082 }
1083
1084 r = unit_add_name(u, e);
1085 free(e);
1086
1087 if (r < 0)
1088 goto fail;
1089
1090 if (!(MOUNT(u)->where = strdup(where))) {
1091 r = -ENOMEM;
1092 goto fail;
1093 }
1094
1095 unit_add_to_load_queue(u);
1096 } else {
1097 delete = false;
1098 free(e);
1099 }
1100
1101 if (!(w = strdup(what)) ||
1102 !(o = strdup(options)) ||
1103 !(f = strdup(fstype))) {
1104 r = -ENOMEM;
1105 goto fail;
1106 }
1107
1108 if (from_proc_self_mountinfo) {
1109 p = &MOUNT(u)->parameters_proc_self_mountinfo;
1110
1111 if (set_flags) {
1112 MOUNT(u)->is_mounted = true;
1113 MOUNT(u)->just_mounted = !MOUNT(u)->from_proc_self_mountinfo;
1114 MOUNT(u)->just_changed = !streq_ptr(p->options, o);
1115 }
1116
1117 MOUNT(u)->from_proc_self_mountinfo = true;
1118 } else {
1119 p = &MOUNT(u)->parameters_etc_fstab;
1120 MOUNT(u)->from_etc_fstab = true;
1121 }
1122
1123 free(p->what);
1124 p->what = w;
1125
1126 free(p->options);
1127 p->options = o;
1128
1129 free(p->fstype);
1130 p->fstype = f;
1131
1132 unit_add_to_dbus_queue(u);
1133
1134 return 0;
1135
1136 fail:
1137 free(w);
1138 free(o);
1139 free(f);
1140
1141 if (delete && u)
1142 unit_free(u);
1143
1144 return r;
1145 }
1146
1147 static char *fstab_node_to_udev_node(char *p) {
1148 char *dn, *t;
1149 int r;
1150
1151 /* FIXME: to follow udev's logic 100% we need to leave valid
1152 * UTF8 chars unescaped */
1153
1154 if (startswith(p, "LABEL=")) {
1155
1156 if (!(t = xescape(p+6, "/ ")))
1157 return NULL;
1158
1159 r = asprintf(&dn, "/dev/disk/by-label/%s", t);
1160 free(t);
1161
1162 if (r < 0)
1163 return NULL;
1164
1165 return dn;
1166 }
1167
1168 if (startswith(p, "UUID=")) {
1169
1170 if (!(t = xescape(p+5, "/ ")))
1171 return NULL;
1172
1173 r = asprintf(&dn, "/dev/disk/by-uuid/%s", ascii_strlower(t));
1174 free(t);
1175
1176 if (r < 0)
1177 return NULL;
1178
1179 return dn;
1180 }
1181
1182 return strdup(p);
1183 }
1184
1185 static int mount_find_pri(char *options) {
1186 char *end, *pri;
1187 unsigned long r;
1188
1189 if (!(pri = mount_test_option(options, "pri=")))
1190 return 0;
1191
1192 pri += 4;
1193
1194 errno = 0;
1195 r = strtoul(pri, &end, 10);
1196
1197 if (errno != 0)
1198 return -errno;
1199
1200 if (end == pri || (*end != ',' && *end != 0))
1201 return -EINVAL;
1202
1203 return (int) r;
1204 }
1205
1206 static int mount_load_etc_fstab(Manager *m) {
1207 FILE *f;
1208 int r;
1209 struct mntent* me;
1210
1211 assert(m);
1212
1213 errno = 0;
1214 if (!(f = setmntent("/etc/fstab", "r")))
1215 return -errno;
1216
1217 while ((me = getmntent(f))) {
1218 char *where, *what;
1219
1220 if (!(what = fstab_node_to_udev_node(me->mnt_fsname))) {
1221 r = -ENOMEM;
1222 goto finish;
1223 }
1224
1225 if (!(where = strdup(me->mnt_dir))) {
1226 free(what);
1227 r = -ENOMEM;
1228 goto finish;
1229 }
1230
1231 if (what[0] == '/')
1232 path_kill_slashes(what);
1233
1234 if (where[0] == '/')
1235 path_kill_slashes(where);
1236
1237 if (streq(me->mnt_type, "swap")) {
1238 int pri;
1239
1240 if ((pri = mount_find_pri(me->mnt_opts)) < 0)
1241 r = pri;
1242 else
1243 r = swap_add_one(m,
1244 what,
1245 pri,
1246 !!mount_test_option(me->mnt_opts, MNTOPT_NOAUTO),
1247 !!mount_test_option(me->mnt_opts, "comment=systemd.swapon"),
1248 false);
1249 } else
1250 r = mount_add_one(m, what, where, me->mnt_opts, me->mnt_type, false, false);
1251
1252 free(what);
1253 free(where);
1254
1255 if (r < 0)
1256 goto finish;
1257 }
1258
1259 r = 0;
1260 finish:
1261
1262 endmntent(f);
1263 return r;
1264 }
1265
1266 static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {
1267 int r;
1268 char *device, *path, *options, *options2, *fstype, *d, *p, *o;
1269
1270 assert(m);
1271
1272 rewind(m->proc_self_mountinfo);
1273
1274 for (;;) {
1275 int k;
1276
1277 device = path = options = options2 = fstype = d = p = o = NULL;
1278
1279 if ((k = fscanf(m->proc_self_mountinfo,
1280 "%*s " /* (1) mount id */
1281 "%*s " /* (2) parent id */
1282 "%*s " /* (3) major:minor */
1283 "%*s " /* (4) root */
1284 "%ms " /* (5) mount point */
1285 "%ms" /* (6) mount options */
1286 "%*[^-]" /* (7) optional fields */
1287 "- " /* (8) seperator */
1288 "%ms " /* (9) file system type */
1289 "%ms" /* (10) mount source */
1290 "%ms" /* (11) mount options 2 */
1291 "%*[^\n]", /* some rubbish at the end */
1292 &path,
1293 &options,
1294 &fstype,
1295 &device,
1296 &options2)) != 5) {
1297
1298 if (k == EOF)
1299 break;
1300
1301 r = -EBADMSG;
1302 goto finish;
1303 }
1304
1305 if (asprintf(&o, "%s,%s", options, options2) < 0) {
1306 r = -ENOMEM;
1307 goto finish;
1308 }
1309
1310 if (!(d = cunescape(device)) ||
1311 !(p = cunescape(path))) {
1312 r = -ENOMEM;
1313 goto finish;
1314 }
1315
1316 if ((r = mount_add_one(m, d, p, o, fstype, true, set_flags)) < 0)
1317 goto finish;
1318
1319 free(device);
1320 free(path);
1321 free(options);
1322 free(options2);
1323 free(fstype);
1324 free(d);
1325 free(p);
1326 free(o);
1327 }
1328
1329 r = 0;
1330
1331 finish:
1332 free(device);
1333 free(path);
1334 free(options);
1335 free(options2);
1336 free(fstype);
1337 free(d);
1338 free(p);
1339 free(o);
1340
1341 return r;
1342 }
1343
1344 static void mount_shutdown(Manager *m) {
1345 assert(m);
1346
1347 if (m->proc_self_mountinfo) {
1348 fclose(m->proc_self_mountinfo);
1349 m->proc_self_mountinfo = NULL;
1350 }
1351 }
1352
1353 static int mount_enumerate(Manager *m) {
1354 int r;
1355 struct epoll_event ev;
1356 assert(m);
1357
1358 if (!m->proc_self_mountinfo) {
1359 if (!(m->proc_self_mountinfo = fopen("/proc/self/mountinfo", "re")))
1360 return -errno;
1361
1362 m->mount_watch.type = WATCH_MOUNT;
1363 m->mount_watch.fd = fileno(m->proc_self_mountinfo);
1364
1365 zero(ev);
1366 ev.events = EPOLLERR;
1367 ev.data.ptr = &m->mount_watch;
1368
1369 if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->mount_watch.fd, &ev) < 0)
1370 return -errno;
1371 }
1372
1373 if ((r = mount_load_etc_fstab(m)) < 0)
1374 goto fail;
1375
1376 if ((r = mount_load_proc_self_mountinfo(m, false)) < 0)
1377 goto fail;
1378
1379 return 0;
1380
1381 fail:
1382 mount_shutdown(m);
1383 return r;
1384 }
1385
1386 void mount_fd_event(Manager *m, int events) {
1387 Meta *meta;
1388 int r;
1389
1390 assert(m);
1391 assert(events == EPOLLERR);
1392
1393 /* The manager calls this for every fd event happening on the
1394 * /proc/self/mountinfo file, which informs us about mounting
1395 * table changes */
1396
1397 if ((r = mount_load_proc_self_mountinfo(m, true)) < 0) {
1398 log_error("Failed to reread /proc/self/mountinfo: %s", strerror(errno));
1399
1400 /* Reset flags, just in case, for later calls */
1401 LIST_FOREACH(units_per_type, meta, m->units_per_type[UNIT_MOUNT]) {
1402 Mount *mount = (Mount*) meta;
1403
1404 mount->is_mounted = mount->just_mounted = mount->just_changed = false;
1405 }
1406
1407 return;
1408 }
1409
1410 manager_dispatch_load_queue(m);
1411
1412 LIST_FOREACH(units_per_type, meta, m->units_per_type[UNIT_MOUNT]) {
1413 Mount *mount = (Mount*) meta;
1414
1415 if (!mount->is_mounted) {
1416 /* This has just been unmounted. */
1417
1418 mount->from_proc_self_mountinfo = false;
1419
1420 switch (mount->state) {
1421
1422 case MOUNT_MOUNTED:
1423 mount_enter_dead(mount, true);
1424 break;
1425
1426 default:
1427 mount_set_state(mount, mount->state);
1428 break;
1429
1430 }
1431
1432 } else if (mount->just_mounted || mount->just_changed) {
1433
1434 /* New or changed entrymount */
1435
1436 switch (mount->state) {
1437
1438 case MOUNT_DEAD:
1439 case MOUNT_MAINTENANCE:
1440 mount_enter_mounted(mount, true);
1441 break;
1442
1443 case MOUNT_MOUNTING:
1444 mount_enter_mounting_done(mount);
1445 break;
1446
1447 default:
1448 /* Nothing really changed, but let's
1449 * issue an notification call
1450 * nonetheless, in case somebody is
1451 * waiting for this. (e.g. file system
1452 * ro/rw remounts.) */
1453 mount_set_state(mount, mount->state);
1454 break;
1455 }
1456 }
1457
1458 /* Reset the flags for later calls */
1459 mount->is_mounted = mount->just_mounted = mount->just_changed = false;
1460 }
1461 }
1462
1463 int mount_path_is_mounted(Manager *m, const char* path) {
1464 char *t;
1465 int r;
1466
1467 assert(m);
1468 assert(path);
1469
1470 if (path[0] != '/')
1471 return 1;
1472
1473 if (!(t = strdup(path)))
1474 return -ENOMEM;
1475
1476 path_kill_slashes(t);
1477
1478 for (;;) {
1479 char *e, *slash;
1480 Unit *u;
1481
1482 if (!(e = unit_name_from_path(t, ".mount"))) {
1483 r = -ENOMEM;
1484 goto finish;
1485 }
1486
1487 u = manager_get_unit(m, e);
1488 free(e);
1489
1490 if (u &&
1491 (MOUNT(u)->from_etc_fstab || MOUNT(u)->from_fragment) &&
1492 MOUNT(u)->state != MOUNT_MOUNTED) {
1493 r = 0;
1494 goto finish;
1495 }
1496
1497 assert_se(slash = strrchr(t, '/'));
1498
1499 if (slash == t) {
1500 r = 1;
1501 goto finish;
1502 }
1503
1504 *slash = 0;
1505 }
1506
1507 r = 1;
1508
1509 finish:
1510 free(t);
1511 return r;
1512 }
1513
1514 static const char* const mount_state_table[_MOUNT_STATE_MAX] = {
1515 [MOUNT_DEAD] = "dead",
1516 [MOUNT_MOUNTING] = "mounting",
1517 [MOUNT_MOUNTING_DONE] = "mounting-done",
1518 [MOUNT_MOUNTED] = "mounted",
1519 [MOUNT_REMOUNTING] = "remounting",
1520 [MOUNT_UNMOUNTING] = "unmounting",
1521 [MOUNT_MOUNTING_SIGTERM] = "mounting-sigterm",
1522 [MOUNT_MOUNTING_SIGKILL] = "mounting-sigkill",
1523 [MOUNT_REMOUNTING_SIGTERM] = "remounting-sigterm",
1524 [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill",
1525 [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm",
1526 [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill",
1527 [MOUNT_MAINTENANCE] = "maintenance"
1528 };
1529
1530 DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState);
1531
1532 static const char* const mount_exec_command_table[_MOUNT_EXEC_COMMAND_MAX] = {
1533 [MOUNT_EXEC_MOUNT] = "ExecMount",
1534 [MOUNT_EXEC_UNMOUNT] = "ExecUnmount",
1535 [MOUNT_EXEC_REMOUNT] = "ExecRemount",
1536 };
1537
1538 DEFINE_STRING_TABLE_LOOKUP(mount_exec_command, MountExecCommand);
1539
1540 const UnitVTable mount_vtable = {
1541 .suffix = ".mount",
1542
1543 .no_alias = true,
1544 .no_instances = true,
1545 .no_isolate = true,
1546
1547 .init = mount_init,
1548 .load = mount_load,
1549 .done = mount_done,
1550
1551 .coldplug = mount_coldplug,
1552
1553 .dump = mount_dump,
1554
1555 .start = mount_start,
1556 .stop = mount_stop,
1557 .reload = mount_reload,
1558
1559 .serialize = mount_serialize,
1560 .deserialize_item = mount_deserialize_item,
1561
1562 .active_state = mount_active_state,
1563 .sub_state_to_string = mount_sub_state_to_string,
1564
1565 .check_gc = mount_check_gc,
1566
1567 .sigchld_event = mount_sigchld_event,
1568 .timer_event = mount_timer_event,
1569
1570 .bus_message_handler = bus_mount_message_handler,
1571
1572 .enumerate = mount_enumerate,
1573 .shutdown = mount_shutdown
1574 };
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