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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 2 | |
a7334b09 LP |
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 | ||
5cb5a6ff | 22 | #include <errno.h> |
b08d03ff LP |
23 | #include <stdio.h> |
24 | #include <mntent.h> | |
ef734fd6 | 25 | #include <sys/epoll.h> |
e537352b | 26 | #include <signal.h> |
5cb5a6ff | 27 | |
87f0e418 | 28 | #include "unit.h" |
5cb5a6ff LP |
29 | #include "mount.h" |
30 | #include "load-fragment.h" | |
5cb5a6ff | 31 | #include "load-dropin.h" |
b08d03ff | 32 | #include "log.h" |
e537352b LP |
33 | #include "strv.h" |
34 | #include "mount-setup.h" | |
9e2f7c11 | 35 | #include "unit-name.h" |
4139c1b2 | 36 | #include "dbus-mount.h" |
514f4ef5 | 37 | #include "special.h" |
5cb5a6ff | 38 | |
f50e0a01 LP |
39 | static const UnitActiveState state_translation_table[_MOUNT_STATE_MAX] = { |
40 | [MOUNT_DEAD] = UNIT_INACTIVE, | |
41 | [MOUNT_MOUNTING] = UNIT_ACTIVATING, | |
e537352b | 42 | [MOUNT_MOUNTING_DONE] = UNIT_ACTIVE, |
f50e0a01 | 43 | [MOUNT_MOUNTED] = UNIT_ACTIVE, |
032ff4af | 44 | [MOUNT_REMOUNTING] = UNIT_RELOADING, |
f50e0a01 | 45 | [MOUNT_UNMOUNTING] = UNIT_DEACTIVATING, |
e537352b LP |
46 | [MOUNT_MOUNTING_SIGTERM] = UNIT_DEACTIVATING, |
47 | [MOUNT_MOUNTING_SIGKILL] = UNIT_DEACTIVATING, | |
032ff4af LP |
48 | [MOUNT_REMOUNTING_SIGTERM] = UNIT_RELOADING, |
49 | [MOUNT_REMOUNTING_SIGKILL] = UNIT_RELOADING, | |
e537352b LP |
50 | [MOUNT_UNMOUNTING_SIGTERM] = UNIT_DEACTIVATING, |
51 | [MOUNT_UNMOUNTING_SIGKILL] = UNIT_DEACTIVATING, | |
fdf20a31 | 52 | [MOUNT_FAILED] = UNIT_FAILED |
f50e0a01 | 53 | }; |
5cb5a6ff | 54 | |
a16e1123 LP |
55 | static void mount_init(Unit *u) { |
56 | Mount *m = MOUNT(u); | |
5cb5a6ff | 57 | |
a16e1123 LP |
58 | assert(u); |
59 | assert(u->meta.load_state == UNIT_STUB); | |
60 | ||
61 | m->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
3e5235b0 LP |
62 | m->directory_mode = 0755; |
63 | ||
c3686083 LP |
64 | exec_context_init(&m->exec_context); |
65 | ||
a16e1123 LP |
66 | /* We need to make sure that /bin/mount is always called in |
67 | * the same process group as us, so that the autofs kernel | |
68 | * side doesn't send us another mount request while we are | |
69 | * already trying to comply its last one. */ | |
74922904 | 70 | m->exec_context.same_pgrp = true; |
8d567588 | 71 | |
a16e1123 LP |
72 | m->timer_watch.type = WATCH_INVALID; |
73 | ||
74 | m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID; | |
8d567588 LP |
75 | } |
76 | ||
a16e1123 | 77 | static void mount_unwatch_control_pid(Mount *m) { |
5e94833f LP |
78 | assert(m); |
79 | ||
80 | if (m->control_pid <= 0) | |
81 | return; | |
82 | ||
83 | unit_unwatch_pid(UNIT(m), m->control_pid); | |
84 | m->control_pid = 0; | |
85 | } | |
86 | ||
e537352b LP |
87 | static void mount_parameters_done(MountParameters *p) { |
88 | assert(p); | |
89 | ||
90 | free(p->what); | |
91 | free(p->options); | |
92 | free(p->fstype); | |
93 | ||
94 | p->what = p->options = p->fstype = NULL; | |
95 | } | |
96 | ||
87f0e418 | 97 | static void mount_done(Unit *u) { |
ef734fd6 | 98 | Mount *m = MOUNT(u); |
034c6ed7 | 99 | |
ef734fd6 | 100 | assert(m); |
034c6ed7 | 101 | |
e537352b LP |
102 | free(m->where); |
103 | m->where = NULL; | |
f50e0a01 | 104 | |
e537352b LP |
105 | mount_parameters_done(&m->parameters_etc_fstab); |
106 | mount_parameters_done(&m->parameters_proc_self_mountinfo); | |
107 | mount_parameters_done(&m->parameters_fragment); | |
ef734fd6 | 108 | |
e537352b LP |
109 | exec_context_done(&m->exec_context); |
110 | exec_command_done_array(m->exec_command, _MOUNT_EXEC_COMMAND_MAX); | |
111 | m->control_command = NULL; | |
f50e0a01 | 112 | |
a16e1123 | 113 | mount_unwatch_control_pid(m); |
f50e0a01 | 114 | |
e537352b | 115 | unit_unwatch_timer(u, &m->timer_watch); |
f50e0a01 LP |
116 | } |
117 | ||
6e2ef85b LP |
118 | static int mount_add_mount_links(Mount *m) { |
119 | Meta *other; | |
b08d03ff | 120 | int r; |
5c78d8e2 | 121 | MountParameters *pm; |
b08d03ff | 122 | |
6e2ef85b | 123 | assert(m); |
b08d03ff | 124 | |
5c78d8e2 LP |
125 | if (m->from_fragment) |
126 | pm = &m->parameters_fragment; | |
127 | else if (m->from_etc_fstab) | |
128 | pm = &m->parameters_etc_fstab; | |
129 | else | |
130 | pm = NULL; | |
131 | ||
6e2ef85b LP |
132 | /* Adds in links to other mount points that might lie below or |
133 | * above us in the hierarchy */ | |
e537352b | 134 | |
6e2ef85b LP |
135 | LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_MOUNT]) { |
136 | Mount *n = (Mount*) other; | |
5c78d8e2 | 137 | MountParameters *pn; |
07b0b134 | 138 | |
6e2ef85b LP |
139 | if (n == m) |
140 | continue; | |
b08d03ff | 141 | |
6e2ef85b LP |
142 | if (n->meta.load_state != UNIT_LOADED) |
143 | continue; | |
b08d03ff | 144 | |
5c78d8e2 LP |
145 | if (n->from_fragment) |
146 | pn = &n->parameters_fragment; | |
147 | else if (n->from_etc_fstab) | |
148 | pn = &n->parameters_etc_fstab; | |
149 | else | |
150 | pn = NULL; | |
151 | ||
6e2ef85b | 152 | if (path_startswith(m->where, n->where)) { |
b08d03ff | 153 | |
6e2ef85b LP |
154 | if ((r = unit_add_dependency(UNIT(m), UNIT_AFTER, UNIT(n), true)) < 0) |
155 | return r; | |
b08d03ff | 156 | |
6e2ef85b LP |
157 | if (n->from_etc_fstab || n->from_fragment) |
158 | if ((r = unit_add_dependency(UNIT(m), UNIT_REQUIRES, UNIT(n), true)) < 0) | |
159 | return r; | |
b08d03ff | 160 | |
6e2ef85b | 161 | } else if (path_startswith(n->where, m->where)) { |
b08d03ff | 162 | |
5c78d8e2 LP |
163 | if ((r = unit_add_dependency(UNIT(n), UNIT_AFTER, UNIT(m), true)) < 0) |
164 | return r; | |
165 | ||
166 | if (m->from_etc_fstab || m->from_fragment) | |
167 | if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0) | |
168 | return r; | |
169 | ||
170 | } else if (pm && path_startswith(pm->what, n->where)) { | |
171 | ||
172 | if ((r = unit_add_dependency(UNIT(m), UNIT_AFTER, UNIT(n), true)) < 0) | |
6e2ef85b LP |
173 | return r; |
174 | ||
175 | if (m->from_etc_fstab || m->from_fragment) | |
5c78d8e2 LP |
176 | if ((r = unit_add_dependency(UNIT(m), UNIT_REQUIRES, UNIT(n), true)) < 0) |
177 | return r; | |
178 | ||
179 | } else if (pn && path_startswith(pn->what, m->where)) { | |
180 | ||
181 | if ((r = unit_add_dependency(UNIT(n), UNIT_AFTER, UNIT(m), true)) < 0) | |
182 | return r; | |
183 | ||
184 | if (n->from_etc_fstab || n->from_fragment) | |
6e2ef85b LP |
185 | if ((r = unit_add_dependency(UNIT(n), UNIT_REQUIRES, UNIT(m), true)) < 0) |
186 | return r; | |
187 | } | |
188 | } | |
b08d03ff LP |
189 | |
190 | return 0; | |
191 | } | |
192 | ||
6e2ef85b | 193 | static int mount_add_swap_links(Mount *m) { |
ef734fd6 | 194 | Meta *other; |
b08d03ff LP |
195 | int r; |
196 | ||
6e2ef85b | 197 | assert(m); |
b08d03ff | 198 | |
6e2ef85b LP |
199 | LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_SWAP]) |
200 | if ((r = swap_add_one_mount_link((Swap*) other, m)) < 0) | |
201 | return r; | |
b08d03ff | 202 | |
6e2ef85b LP |
203 | return 0; |
204 | } | |
b08d03ff | 205 | |
01f78473 LP |
206 | static int mount_add_path_links(Mount *m) { |
207 | Meta *other; | |
208 | int r; | |
209 | ||
210 | assert(m); | |
211 | ||
212 | LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_PATH]) | |
213 | if ((r = path_add_one_mount_link((Path*) other, m)) < 0) | |
214 | return r; | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
6e2ef85b LP |
219 | static int mount_add_automount_links(Mount *m) { |
220 | Meta *other; | |
221 | int r; | |
e537352b | 222 | |
6e2ef85b | 223 | assert(m); |
b08d03ff | 224 | |
6e2ef85b LP |
225 | LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_AUTOMOUNT]) |
226 | if ((r = automount_add_one_mount_link((Automount*) other, m)) < 0) | |
227 | return r; | |
b08d03ff | 228 | |
6e2ef85b LP |
229 | return 0; |
230 | } | |
b08d03ff | 231 | |
6e2ef85b LP |
232 | static int mount_add_socket_links(Mount *m) { |
233 | Meta *other; | |
234 | int r; | |
b08d03ff | 235 | |
6e2ef85b | 236 | assert(m); |
b08d03ff | 237 | |
6e2ef85b LP |
238 | LIST_FOREACH(units_per_type, other, m->meta.manager->units_per_type[UNIT_SOCKET]) |
239 | if ((r = socket_add_one_mount_link((Socket*) other, m)) < 0) | |
240 | return r; | |
b08d03ff LP |
241 | |
242 | return 0; | |
243 | } | |
244 | ||
07b0b134 | 245 | static char* mount_test_option(const char *haystack, const char *needle) { |
e537352b LP |
246 | struct mntent me; |
247 | ||
248 | assert(needle); | |
249 | ||
250 | /* Like glibc's hasmntopt(), but works on a string, not a | |
251 | * struct mntent */ | |
252 | ||
253 | if (!haystack) | |
254 | return false; | |
255 | ||
256 | zero(me); | |
257 | me.mnt_opts = (char*) haystack; | |
258 | ||
07b0b134 | 259 | return hasmntopt(&me, needle); |
e537352b LP |
260 | } |
261 | ||
262 | static int mount_add_target_links(Mount *m) { | |
a55da3cd | 263 | const char *target, *after = NULL; |
e537352b | 264 | MountParameters *p; |
a16e1123 | 265 | Unit *tu; |
e537352b | 266 | int r; |
307e85ef | 267 | bool noauto, handle, automount, user; |
e537352b LP |
268 | |
269 | assert(m); | |
270 | ||
271 | if (m->from_fragment) | |
272 | p = &m->parameters_fragment; | |
273 | else if (m->from_etc_fstab) | |
274 | p = &m->parameters_etc_fstab; | |
275 | else | |
276 | return 0; | |
277 | ||
07b0b134 | 278 | noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO); |
307e85ef | 279 | user = mount_test_option(p->options, "user") || mount_test_option(p->options, "users"); |
d3689161 LP |
280 | handle = !!mount_test_option(p->options, "comment=systemd.mount") || |
281 | m->meta.manager->mount_auto; | |
07b0b134 | 282 | automount = !!mount_test_option(p->options, "comment=systemd.automount"); |
e537352b | 283 | |
e537352b | 284 | if (mount_test_option(p->options, "_netdev") || |
a55da3cd | 285 | fstype_is_network(p->fstype)) { |
e537352b | 286 | target = SPECIAL_REMOTE_FS_TARGET; |
a55da3cd LP |
287 | |
288 | if (m->meta.manager->running_as == MANAGER_SYSTEM) | |
289 | after = SPECIAL_NETWORK_TARGET; | |
290 | } else | |
e537352b LP |
291 | target = SPECIAL_LOCAL_FS_TARGET; |
292 | ||
398ef8ba | 293 | if ((r = manager_load_unit(m->meta.manager, target, NULL, NULL, &tu)) < 0) |
e537352b LP |
294 | return r; |
295 | ||
a55da3cd LP |
296 | if (after) |
297 | if ((r = unit_add_dependency_by_name(tu, UNIT_AFTER, after, NULL, true)) < 0) | |
298 | return r; | |
299 | ||
a3d4e06d | 300 | if (automount && m->meta.manager->running_as == MANAGER_SYSTEM) { |
a16e1123 LP |
301 | Unit *am; |
302 | ||
303 | if ((r = unit_load_related_unit(UNIT(m), ".automount", &am)) < 0) | |
9fcc065a | 304 | return r; |
e537352b | 305 | |
2c966c03 | 306 | return unit_add_two_dependencies(tu, UNIT_AFTER, UNIT_WANTS, UNIT(am), true); |
a16e1123 LP |
307 | } else { |
308 | ||
81bf310e LP |
309 | /* Automatically add mount points that aren't natively |
310 | * configured to local-fs.target */ | |
311 | if (!noauto && | |
312 | handle && | |
313 | !m->from_fragment) | |
a3d4e06d | 314 | if (user || m->meta.manager->running_as == MANAGER_SYSTEM) |
307e85ef LP |
315 | if ((r = unit_add_dependency(tu, UNIT_WANTS, UNIT(m), true)) < 0) |
316 | return r; | |
a16e1123 | 317 | |
701cc384 | 318 | return unit_add_dependency(UNIT(m), UNIT_BEFORE, tu, true); |
a16e1123 | 319 | } |
e537352b LP |
320 | } |
321 | ||
5c78d8e2 LP |
322 | static bool mount_is_bind(MountParameters *p) { |
323 | assert(p); | |
324 | ||
325 | if (p->fstype && streq(p->fstype, "bind")) | |
326 | return true; | |
327 | ||
328 | if (mount_test_option(p->options, "bind")) | |
329 | return true; | |
330 | ||
331 | return false; | |
332 | } | |
333 | ||
173a8d04 LP |
334 | static int mount_add_device_links(Mount *m) { |
335 | MountParameters *p; | |
336 | bool nofail, noauto; | |
337 | ||
338 | assert(m); | |
339 | ||
340 | if (m->from_fragment) | |
341 | p = &m->parameters_fragment; | |
342 | else if (m->from_etc_fstab) | |
343 | p = &m->parameters_etc_fstab; | |
344 | else | |
345 | return 0; | |
346 | ||
347 | if (!p->what || path_equal(m->where, "/")) | |
348 | return 0; | |
5c78d8e2 LP |
349 | |
350 | if (mount_is_bind(p)) | |
351 | return 0; | |
173a8d04 LP |
352 | |
353 | noauto = !!mount_test_option(p->options, MNTOPT_NOAUTO); | |
354 | nofail = !!mount_test_option(p->options, "nofail"); | |
355 | ||
356 | return unit_add_node_link(UNIT(m), p->what, | |
357 | !noauto && nofail && | |
358 | UNIT(m)->meta.manager->running_as == MANAGER_SYSTEM); | |
359 | } | |
360 | ||
2edd4434 LP |
361 | static int mount_add_default_dependencies(Mount *m) { |
362 | int r; | |
363 | ||
364 | assert(m); | |
365 | ||
75d287d3 LP |
366 | if (m->meta.manager->running_as == MANAGER_SYSTEM && |
367 | !path_equal(m->where, "/")) { | |
2edd4434 | 368 | |
922cc001 | 369 | if ((r = unit_add_dependency_by_name(UNIT(m), UNIT_AFTER, SPECIAL_FSCK_TARGET, NULL, true)) < 0) |
2edd4434 LP |
370 | return r; |
371 | ||
69dd2852 | 372 | if ((r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0) |
75d287d3 | 373 | return r; |
2edd4434 LP |
374 | } |
375 | ||
376 | return 0; | |
377 | } | |
378 | ||
8d567588 LP |
379 | static int mount_verify(Mount *m) { |
380 | bool b; | |
381 | char *e; | |
382 | assert(m); | |
383 | ||
8cbef760 | 384 | if (m->meta.load_state != UNIT_LOADED) |
8d567588 LP |
385 | return 0; |
386 | ||
8cbef760 LP |
387 | if (!m->from_etc_fstab && !m->from_fragment && !m->from_proc_self_mountinfo) |
388 | return -ENOENT; | |
389 | ||
a16e1123 | 390 | if (!(e = unit_name_from_path(m->where, ".mount"))) |
8d567588 LP |
391 | return -ENOMEM; |
392 | ||
393 | b = unit_has_name(UNIT(m), e); | |
394 | free(e); | |
395 | ||
396 | if (!b) { | |
4cd1fbcc | 397 | log_error("%s's Where setting doesn't match unit name. Refusing.", m->meta.id); |
8d567588 LP |
398 | return -EINVAL; |
399 | } | |
400 | ||
4e85aff4 | 401 | if (m->meta.fragment_path && !m->parameters_fragment.what) { |
4cd1fbcc | 402 | log_error("%s's What setting is missing. Refusing.", m->meta.id); |
4e85aff4 LP |
403 | return -EBADMSG; |
404 | } | |
405 | ||
2e22afe9 | 406 | if (m->exec_context.pam_name && m->exec_context.kill_mode != KILL_CONTROL_GROUP) { |
4d0e5dbd LP |
407 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", m->meta.id); |
408 | return -EINVAL; | |
409 | } | |
410 | ||
8d567588 LP |
411 | return 0; |
412 | } | |
413 | ||
e537352b LP |
414 | static int mount_load(Unit *u) { |
415 | Mount *m = MOUNT(u); | |
416 | int r; | |
417 | ||
418 | assert(u); | |
419 | assert(u->meta.load_state == UNIT_STUB); | |
420 | ||
421 | if ((r = unit_load_fragment_and_dropin_optional(u)) < 0) | |
422 | return r; | |
423 | ||
424 | /* This is a new unit? Then let's add in some extras */ | |
425 | if (u->meta.load_state == UNIT_LOADED) { | |
4e85aff4 | 426 | const char *what = NULL; |
6e2ef85b | 427 | |
4e85aff4 LP |
428 | if (m->meta.fragment_path) |
429 | m->from_fragment = true; | |
e537352b | 430 | |
a16e1123 LP |
431 | if (!m->where) |
432 | if (!(m->where = unit_name_to_path(u->meta.id))) | |
433 | return -ENOMEM; | |
434 | ||
435 | path_kill_slashes(m->where); | |
436 | ||
4e85aff4 LP |
437 | if (!m->meta.description) |
438 | if ((r = unit_set_description(u, m->where)) < 0) | |
439 | return r; | |
e537352b | 440 | |
4e85aff4 LP |
441 | if (m->from_fragment && m->parameters_fragment.what) |
442 | what = m->parameters_fragment.what; | |
443 | else if (m->from_etc_fstab && m->parameters_etc_fstab.what) | |
444 | what = m->parameters_etc_fstab.what; | |
445 | else if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what) | |
446 | what = m->parameters_proc_self_mountinfo.what; | |
e537352b | 447 | |
173a8d04 LP |
448 | if ((r = mount_add_device_links(m)) < 0) |
449 | return r; | |
6e2ef85b LP |
450 | |
451 | if ((r = mount_add_mount_links(m)) < 0) | |
452 | return r; | |
453 | ||
454 | if ((r = mount_add_socket_links(m)) < 0) | |
455 | return r; | |
456 | ||
457 | if ((r = mount_add_swap_links(m)) < 0) | |
e537352b LP |
458 | return r; |
459 | ||
01f78473 LP |
460 | if ((r = mount_add_path_links(m)) < 0) |
461 | return r; | |
462 | ||
6e2ef85b | 463 | if ((r = mount_add_automount_links(m)) < 0) |
e537352b LP |
464 | return r; |
465 | ||
6e2ef85b | 466 | if ((r = mount_add_target_links(m)) < 0) |
e537352b LP |
467 | return r; |
468 | ||
469 | if ((r = unit_add_default_cgroup(u)) < 0) | |
470 | return r; | |
4e67ddd6 | 471 | |
2edd4434 LP |
472 | if (m->meta.default_dependencies) |
473 | if ((r = mount_add_default_dependencies(m)) < 0) | |
4e67ddd6 | 474 | return r; |
e537352b LP |
475 | } |
476 | ||
8d567588 | 477 | return mount_verify(m); |
e537352b LP |
478 | } |
479 | ||
a16e1123 LP |
480 | static int mount_notify_automount(Mount *m, int status) { |
481 | Unit *p; | |
482 | int r; | |
483 | ||
484 | assert(m); | |
485 | ||
486 | if ((r = unit_get_related_unit(UNIT(m), ".automount", &p)) < 0) | |
487 | return r == -ENOENT ? 0 : r; | |
488 | ||
489 | return automount_send_ready(AUTOMOUNT(p), status); | |
490 | } | |
491 | ||
e537352b LP |
492 | static void mount_set_state(Mount *m, MountState state) { |
493 | MountState old_state; | |
494 | assert(m); | |
495 | ||
496 | old_state = m->state; | |
497 | m->state = state; | |
498 | ||
499 | if (state != MOUNT_MOUNTING && | |
500 | state != MOUNT_MOUNTING_DONE && | |
501 | state != MOUNT_REMOUNTING && | |
502 | state != MOUNT_UNMOUNTING && | |
503 | state != MOUNT_MOUNTING_SIGTERM && | |
504 | state != MOUNT_MOUNTING_SIGKILL && | |
505 | state != MOUNT_UNMOUNTING_SIGTERM && | |
506 | state != MOUNT_UNMOUNTING_SIGKILL && | |
507 | state != MOUNT_REMOUNTING_SIGTERM && | |
508 | state != MOUNT_REMOUNTING_SIGKILL) { | |
509 | unit_unwatch_timer(UNIT(m), &m->timer_watch); | |
a16e1123 | 510 | mount_unwatch_control_pid(m); |
e537352b | 511 | m->control_command = NULL; |
a16e1123 | 512 | m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID; |
e537352b LP |
513 | } |
514 | ||
8d567588 LP |
515 | if (state == MOUNT_MOUNTED || |
516 | state == MOUNT_REMOUNTING) | |
517 | mount_notify_automount(m, 0); | |
518 | else if (state == MOUNT_DEAD || | |
519 | state == MOUNT_UNMOUNTING || | |
520 | state == MOUNT_MOUNTING_SIGTERM || | |
521 | state == MOUNT_MOUNTING_SIGKILL || | |
522 | state == MOUNT_REMOUNTING_SIGTERM || | |
523 | state == MOUNT_REMOUNTING_SIGKILL || | |
524 | state == MOUNT_UNMOUNTING_SIGTERM || | |
525 | state == MOUNT_UNMOUNTING_SIGKILL || | |
fdf20a31 | 526 | state == MOUNT_FAILED) |
8d567588 LP |
527 | mount_notify_automount(m, -ENODEV); |
528 | ||
e537352b | 529 | if (state != old_state) |
40d50879 | 530 | log_debug("%s changed %s -> %s", |
4cd1fbcc | 531 | m->meta.id, |
a16e1123 LP |
532 | mount_state_to_string(old_state), |
533 | mount_state_to_string(state)); | |
e537352b LP |
534 | |
535 | unit_notify(UNIT(m), state_translation_table[old_state], state_translation_table[state]); | |
536 | } | |
537 | ||
538 | static int mount_coldplug(Unit *u) { | |
539 | Mount *m = MOUNT(u); | |
a16e1123 LP |
540 | MountState new_state = MOUNT_DEAD; |
541 | int r; | |
e537352b LP |
542 | |
543 | assert(m); | |
544 | assert(m->state == MOUNT_DEAD); | |
545 | ||
a16e1123 LP |
546 | if (m->deserialized_state != m->state) |
547 | new_state = m->deserialized_state; | |
548 | else if (m->from_proc_self_mountinfo) | |
549 | new_state = MOUNT_MOUNTED; | |
e537352b | 550 | |
a16e1123 | 551 | if (new_state != m->state) { |
e537352b | 552 | |
a16e1123 LP |
553 | if (new_state == MOUNT_MOUNTING || |
554 | new_state == MOUNT_MOUNTING_DONE || | |
555 | new_state == MOUNT_REMOUNTING || | |
556 | new_state == MOUNT_UNMOUNTING || | |
557 | new_state == MOUNT_MOUNTING_SIGTERM || | |
558 | new_state == MOUNT_MOUNTING_SIGKILL || | |
559 | new_state == MOUNT_UNMOUNTING_SIGTERM || | |
560 | new_state == MOUNT_UNMOUNTING_SIGKILL || | |
561 | new_state == MOUNT_REMOUNTING_SIGTERM || | |
562 | new_state == MOUNT_REMOUNTING_SIGKILL) { | |
e537352b | 563 | |
a16e1123 LP |
564 | if (m->control_pid <= 0) |
565 | return -EBADMSG; | |
e537352b | 566 | |
a16e1123 LP |
567 | if ((r = unit_watch_pid(UNIT(m), m->control_pid)) < 0) |
568 | return r; | |
e537352b | 569 | |
a16e1123 LP |
570 | if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0) |
571 | return r; | |
572 | } | |
e537352b | 573 | |
a16e1123 LP |
574 | mount_set_state(m, new_state); |
575 | } | |
e537352b LP |
576 | |
577 | return 0; | |
e537352b LP |
578 | } |
579 | ||
580 | static void mount_dump(Unit *u, FILE *f, const char *prefix) { | |
581 | Mount *m = MOUNT(u); | |
582 | MountParameters *p; | |
583 | ||
584 | assert(m); | |
585 | assert(f); | |
586 | ||
587 | if (m->from_proc_self_mountinfo) | |
588 | p = &m->parameters_proc_self_mountinfo; | |
589 | else if (m->from_fragment) | |
590 | p = &m->parameters_fragment; | |
591 | else | |
592 | p = &m->parameters_etc_fstab; | |
593 | ||
594 | fprintf(f, | |
595 | "%sMount State: %s\n" | |
596 | "%sWhere: %s\n" | |
597 | "%sWhat: %s\n" | |
598 | "%sFile System Type: %s\n" | |
599 | "%sOptions: %s\n" | |
600 | "%sFrom /etc/fstab: %s\n" | |
601 | "%sFrom /proc/self/mountinfo: %s\n" | |
602 | "%sFrom fragment: %s\n" | |
3e5235b0 | 603 | "%sDirectoryMode: %04o\n", |
a16e1123 | 604 | prefix, mount_state_to_string(m->state), |
e537352b LP |
605 | prefix, m->where, |
606 | prefix, strna(p->what), | |
607 | prefix, strna(p->fstype), | |
608 | prefix, strna(p->options), | |
609 | prefix, yes_no(m->from_etc_fstab), | |
610 | prefix, yes_no(m->from_proc_self_mountinfo), | |
611 | prefix, yes_no(m->from_fragment), | |
3e5235b0 | 612 | prefix, m->directory_mode); |
e537352b LP |
613 | |
614 | if (m->control_pid > 0) | |
615 | fprintf(f, | |
bb00e604 LP |
616 | "%sControl PID: %lu\n", |
617 | prefix, (unsigned long) m->control_pid); | |
e537352b LP |
618 | |
619 | exec_context_dump(&m->exec_context, f, prefix); | |
620 | } | |
621 | ||
a16e1123 LP |
622 | static int mount_spawn(Mount *m, ExecCommand *c, pid_t *_pid) { |
623 | pid_t pid; | |
624 | int r; | |
625 | ||
626 | assert(m); | |
627 | assert(c); | |
628 | assert(_pid); | |
629 | ||
630 | if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0) | |
631 | goto fail; | |
632 | ||
633 | if ((r = exec_spawn(c, | |
634 | NULL, | |
635 | &m->exec_context, | |
636 | NULL, 0, | |
1137a57c | 637 | m->meta.manager->environment, |
a16e1123 LP |
638 | true, |
639 | true, | |
1e3ad081 | 640 | true, |
c3686083 | 641 | m->meta.manager->confirm_spawn, |
4cd1fbcc | 642 | m->meta.cgroup_bondings, |
a16e1123 LP |
643 | &pid)) < 0) |
644 | goto fail; | |
645 | ||
646 | if ((r = unit_watch_pid(UNIT(m), pid)) < 0) | |
647 | /* FIXME: we need to do something here */ | |
648 | goto fail; | |
649 | ||
650 | *_pid = pid; | |
651 | ||
652 | return 0; | |
653 | ||
654 | fail: | |
655 | unit_unwatch_timer(UNIT(m), &m->timer_watch); | |
656 | ||
657 | return r; | |
658 | } | |
659 | ||
e537352b LP |
660 | static void mount_enter_dead(Mount *m, bool success) { |
661 | assert(m); | |
662 | ||
663 | if (!success) | |
664 | m->failure = true; | |
665 | ||
fdf20a31 | 666 | mount_set_state(m, m->failure ? MOUNT_FAILED : MOUNT_DEAD); |
e537352b LP |
667 | } |
668 | ||
80876c20 LP |
669 | static void mount_enter_mounted(Mount *m, bool success) { |
670 | assert(m); | |
671 | ||
672 | if (!success) | |
673 | m->failure = true; | |
674 | ||
675 | mount_set_state(m, MOUNT_MOUNTED); | |
676 | } | |
677 | ||
e537352b LP |
678 | static void mount_enter_signal(Mount *m, MountState state, bool success) { |
679 | int r; | |
ca949c9d LP |
680 | Set *pid_set = NULL; |
681 | bool wait_for_exit = false; | |
e537352b LP |
682 | |
683 | assert(m); | |
684 | ||
685 | if (!success) | |
686 | m->failure = true; | |
687 | ||
2e22afe9 | 688 | if (m->exec_context.kill_mode != KILL_NONE) { |
80876c20 LP |
689 | int sig = (state == MOUNT_MOUNTING_SIGTERM || |
690 | state == MOUNT_UNMOUNTING_SIGTERM || | |
2e22afe9 | 691 | state == MOUNT_REMOUNTING_SIGTERM) ? m->exec_context.kill_signal : SIGKILL; |
e537352b | 692 | |
ca949c9d LP |
693 | if (m->control_pid > 0) { |
694 | if (kill(m->exec_context.kill_mode == KILL_PROCESS_GROUP ? | |
695 | -m->control_pid : | |
696 | m->control_pid, sig) < 0 && errno != ESRCH) | |
e537352b | 697 | |
ca949c9d LP |
698 | log_warning("Failed to kill control process %li: %m", (long) m->control_pid); |
699 | else | |
700 | wait_for_exit = true; | |
e537352b LP |
701 | } |
702 | ||
ca949c9d | 703 | if (m->exec_context.kill_mode == KILL_CONTROL_GROUP) { |
2e22afe9 | 704 | |
ca949c9d LP |
705 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) { |
706 | r = -ENOMEM; | |
e537352b LP |
707 | goto fail; |
708 | } | |
ca949c9d LP |
709 | |
710 | /* Exclude the control pid from being killed via the cgroup */ | |
711 | if (m->control_pid > 0) | |
712 | if ((r = set_put(pid_set, LONG_TO_PTR(m->control_pid))) < 0) | |
713 | goto fail; | |
714 | ||
715 | if ((r = cgroup_bonding_kill_list(m->meta.cgroup_bondings, sig, pid_set)) < 0) { | |
716 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) | |
717 | log_warning("Failed to kill control group: %s", strerror(-r)); | |
718 | } else if (r > 0) | |
719 | wait_for_exit = true; | |
720 | ||
721 | set_free(pid_set); | |
722 | } | |
e537352b LP |
723 | } |
724 | ||
ca949c9d | 725 | if (wait_for_exit) { |
80876c20 LP |
726 | if ((r = unit_watch_timer(UNIT(m), m->timeout_usec, &m->timer_watch)) < 0) |
727 | goto fail; | |
e537352b | 728 | |
80876c20 LP |
729 | mount_set_state(m, state); |
730 | } else if (state == MOUNT_REMOUNTING_SIGTERM || state == MOUNT_REMOUNTING_SIGKILL) | |
731 | mount_enter_mounted(m, true); | |
732 | else | |
e537352b LP |
733 | mount_enter_dead(m, true); |
734 | ||
735 | return; | |
736 | ||
737 | fail: | |
4cd1fbcc | 738 | log_warning("%s failed to kill processes: %s", m->meta.id, strerror(-r)); |
e537352b | 739 | |
80876c20 LP |
740 | if (state == MOUNT_REMOUNTING_SIGTERM || state == MOUNT_REMOUNTING_SIGKILL) |
741 | mount_enter_mounted(m, false); | |
742 | else | |
743 | mount_enter_dead(m, false); | |
ca949c9d LP |
744 | |
745 | if (pid_set) | |
746 | set_free(pid_set); | |
e537352b LP |
747 | } |
748 | ||
749 | static void mount_enter_unmounting(Mount *m, bool success) { | |
e537352b LP |
750 | int r; |
751 | ||
752 | assert(m); | |
753 | ||
754 | if (!success) | |
755 | m->failure = true; | |
756 | ||
a16e1123 LP |
757 | m->control_command_id = MOUNT_EXEC_UNMOUNT; |
758 | m->control_command = m->exec_command + MOUNT_EXEC_UNMOUNT; | |
e537352b LP |
759 | |
760 | if ((r = exec_command_set( | |
a16e1123 | 761 | m->control_command, |
e537352b LP |
762 | "/bin/umount", |
763 | m->where, | |
764 | NULL)) < 0) | |
765 | goto fail; | |
766 | ||
a16e1123 | 767 | mount_unwatch_control_pid(m); |
5e94833f | 768 | |
a16e1123 | 769 | if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0) |
e537352b LP |
770 | goto fail; |
771 | ||
772 | mount_set_state(m, MOUNT_UNMOUNTING); | |
773 | ||
774 | return; | |
775 | ||
776 | fail: | |
4cd1fbcc | 777 | log_warning("%s failed to run 'umount' task: %s", m->meta.id, strerror(-r)); |
e537352b LP |
778 | mount_enter_mounted(m, false); |
779 | } | |
780 | ||
8d567588 | 781 | static void mount_enter_mounting(Mount *m) { |
e537352b LP |
782 | int r; |
783 | ||
784 | assert(m); | |
785 | ||
a16e1123 LP |
786 | m->control_command_id = MOUNT_EXEC_MOUNT; |
787 | m->control_command = m->exec_command + MOUNT_EXEC_MOUNT; | |
e537352b | 788 | |
3e5235b0 LP |
789 | mkdir_p(m->where, m->directory_mode); |
790 | ||
e537352b LP |
791 | if (m->from_fragment) |
792 | r = exec_command_set( | |
a16e1123 | 793 | m->control_command, |
e537352b LP |
794 | "/bin/mount", |
795 | m->parameters_fragment.what, | |
796 | m->where, | |
797 | "-t", m->parameters_fragment.fstype, | |
8d567588 | 798 | m->parameters_fragment.options ? "-o" : NULL, m->parameters_fragment.options, |
e537352b LP |
799 | NULL); |
800 | else if (m->from_etc_fstab) | |
801 | r = exec_command_set( | |
a16e1123 | 802 | m->control_command, |
e537352b LP |
803 | "/bin/mount", |
804 | m->where, | |
805 | NULL); | |
806 | else | |
807 | r = -ENOENT; | |
808 | ||
809 | if (r < 0) | |
810 | goto fail; | |
811 | ||
a16e1123 | 812 | mount_unwatch_control_pid(m); |
5e94833f | 813 | |
a16e1123 | 814 | if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0) |
e537352b LP |
815 | goto fail; |
816 | ||
817 | mount_set_state(m, MOUNT_MOUNTING); | |
818 | ||
819 | return; | |
820 | ||
821 | fail: | |
4cd1fbcc | 822 | log_warning("%s failed to run 'mount' task: %s", m->meta.id, strerror(-r)); |
e537352b LP |
823 | mount_enter_dead(m, false); |
824 | } | |
825 | ||
8d567588 | 826 | static void mount_enter_mounting_done(Mount *m) { |
e537352b LP |
827 | assert(m); |
828 | ||
e537352b LP |
829 | mount_set_state(m, MOUNT_MOUNTING_DONE); |
830 | } | |
831 | ||
832 | static void mount_enter_remounting(Mount *m, bool success) { | |
e537352b LP |
833 | int r; |
834 | ||
835 | assert(m); | |
836 | ||
837 | if (!success) | |
838 | m->failure = true; | |
839 | ||
a16e1123 LP |
840 | m->control_command_id = MOUNT_EXEC_REMOUNT; |
841 | m->control_command = m->exec_command + MOUNT_EXEC_REMOUNT; | |
e537352b LP |
842 | |
843 | if (m->from_fragment) { | |
844 | char *buf = NULL; | |
845 | const char *o; | |
846 | ||
847 | if (m->parameters_fragment.options) { | |
848 | if (!(buf = strappend("remount,", m->parameters_fragment.options))) { | |
849 | r = -ENOMEM; | |
850 | goto fail; | |
851 | } | |
852 | ||
853 | o = buf; | |
854 | } else | |
855 | o = "remount"; | |
856 | ||
857 | r = exec_command_set( | |
a16e1123 | 858 | m->control_command, |
e537352b LP |
859 | "/bin/mount", |
860 | m->parameters_fragment.what, | |
861 | m->where, | |
862 | "-t", m->parameters_fragment.fstype, | |
863 | "-o", o, | |
864 | NULL); | |
865 | ||
866 | free(buf); | |
867 | } else if (m->from_etc_fstab) | |
868 | r = exec_command_set( | |
a16e1123 | 869 | m->control_command, |
e537352b LP |
870 | "/bin/mount", |
871 | m->where, | |
872 | "-o", "remount", | |
873 | NULL); | |
874 | else | |
875 | r = -ENOENT; | |
876 | ||
877 | if (r < 0) { | |
878 | r = -ENOMEM; | |
879 | goto fail; | |
880 | } | |
881 | ||
a16e1123 | 882 | mount_unwatch_control_pid(m); |
5e94833f | 883 | |
a16e1123 | 884 | if ((r = mount_spawn(m, m->control_command, &m->control_pid)) < 0) |
e537352b LP |
885 | goto fail; |
886 | ||
887 | mount_set_state(m, MOUNT_REMOUNTING); | |
888 | ||
889 | return; | |
890 | ||
891 | fail: | |
e364ad06 | 892 | log_warning("%s failed to run 'remount' task: %s", m->meta.id, strerror(-r)); |
e537352b LP |
893 | mount_enter_mounted(m, false); |
894 | } | |
895 | ||
896 | static int mount_start(Unit *u) { | |
897 | Mount *m = MOUNT(u); | |
898 | ||
899 | assert(m); | |
900 | ||
901 | /* We cannot fulfill this request right now, try again later | |
902 | * please! */ | |
903 | if (m->state == MOUNT_UNMOUNTING || | |
904 | m->state == MOUNT_UNMOUNTING_SIGTERM || | |
905 | m->state == MOUNT_UNMOUNTING_SIGKILL) | |
906 | return -EAGAIN; | |
907 | ||
908 | /* Already on it! */ | |
909 | if (m->state == MOUNT_MOUNTING || | |
910 | m->state == MOUNT_MOUNTING_SIGTERM || | |
911 | m->state == MOUNT_MOUNTING_SIGKILL) | |
912 | return 0; | |
913 | ||
fdf20a31 | 914 | assert(m->state == MOUNT_DEAD || m->state == MOUNT_FAILED); |
e537352b LP |
915 | |
916 | m->failure = false; | |
8d567588 | 917 | mount_enter_mounting(m); |
e537352b LP |
918 | return 0; |
919 | } | |
920 | ||
921 | static int mount_stop(Unit *u) { | |
922 | Mount *m = MOUNT(u); | |
923 | ||
924 | assert(m); | |
925 | ||
e537352b LP |
926 | /* Already on it */ |
927 | if (m->state == MOUNT_UNMOUNTING || | |
928 | m->state == MOUNT_UNMOUNTING_SIGKILL || | |
929 | m->state == MOUNT_UNMOUNTING_SIGTERM) | |
930 | return 0; | |
931 | ||
3f6c78dc LP |
932 | assert(m->state == MOUNT_MOUNTING || |
933 | m->state == MOUNT_MOUNTING_DONE || | |
934 | m->state == MOUNT_MOUNTED || | |
935 | m->state == MOUNT_MOUNTING_SIGTERM || | |
936 | m->state == MOUNT_MOUNTING_SIGKILL || | |
937 | m->state == MOUNT_REMOUNTING || | |
938 | m->state == MOUNT_REMOUNTING_SIGTERM || | |
939 | m->state == MOUNT_REMOUNTING_SIGKILL); | |
e537352b LP |
940 | |
941 | mount_enter_unmounting(m, true); | |
942 | return 0; | |
943 | } | |
944 | ||
945 | static int mount_reload(Unit *u) { | |
946 | Mount *m = MOUNT(u); | |
947 | ||
948 | assert(m); | |
949 | ||
950 | if (m->state == MOUNT_MOUNTING_DONE) | |
951 | return -EAGAIN; | |
952 | ||
953 | assert(m->state == MOUNT_MOUNTED); | |
954 | ||
955 | mount_enter_remounting(m, true); | |
956 | return 0; | |
957 | } | |
958 | ||
a16e1123 LP |
959 | static int mount_serialize(Unit *u, FILE *f, FDSet *fds) { |
960 | Mount *m = MOUNT(u); | |
961 | ||
962 | assert(m); | |
963 | assert(f); | |
964 | assert(fds); | |
965 | ||
966 | unit_serialize_item(u, f, "state", mount_state_to_string(m->state)); | |
967 | unit_serialize_item(u, f, "failure", yes_no(m->failure)); | |
968 | ||
969 | if (m->control_pid > 0) | |
5925dd3c | 970 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) m->control_pid); |
a16e1123 LP |
971 | |
972 | if (m->control_command_id >= 0) | |
973 | unit_serialize_item(u, f, "control-command", mount_exec_command_to_string(m->control_command_id)); | |
974 | ||
975 | return 0; | |
976 | } | |
977 | ||
978 | static int mount_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
979 | Mount *m = MOUNT(u); | |
a16e1123 LP |
980 | |
981 | assert(u); | |
982 | assert(key); | |
983 | assert(value); | |
984 | assert(fds); | |
985 | ||
986 | if (streq(key, "state")) { | |
987 | MountState state; | |
988 | ||
989 | if ((state = mount_state_from_string(value)) < 0) | |
990 | log_debug("Failed to parse state value %s", value); | |
991 | else | |
992 | m->deserialized_state = state; | |
993 | } else if (streq(key, "failure")) { | |
994 | int b; | |
995 | ||
996 | if ((b = parse_boolean(value)) < 0) | |
997 | log_debug("Failed to parse failure value %s", value); | |
998 | else | |
999 | m->failure = b || m->failure; | |
1000 | ||
1001 | } else if (streq(key, "control-pid")) { | |
5925dd3c | 1002 | pid_t pid; |
a16e1123 | 1003 | |
e364ad06 | 1004 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
1005 | log_debug("Failed to parse control-pid value %s", value); |
1006 | else | |
5925dd3c | 1007 | m->control_pid = pid; |
a16e1123 LP |
1008 | } else if (streq(key, "control-command")) { |
1009 | MountExecCommand id; | |
1010 | ||
1011 | if ((id = mount_exec_command_from_string(value)) < 0) | |
1012 | log_debug("Failed to parse exec-command value %s", value); | |
1013 | else { | |
1014 | m->control_command_id = id; | |
1015 | m->control_command = m->exec_command + id; | |
1016 | } | |
1017 | ||
1018 | } else | |
1019 | log_debug("Unknown serialization key '%s'", key); | |
1020 | ||
1021 | return 0; | |
1022 | } | |
1023 | ||
e537352b LP |
1024 | static UnitActiveState mount_active_state(Unit *u) { |
1025 | assert(u); | |
1026 | ||
1027 | return state_translation_table[MOUNT(u)->state]; | |
1028 | } | |
1029 | ||
10a94420 LP |
1030 | static const char *mount_sub_state_to_string(Unit *u) { |
1031 | assert(u); | |
1032 | ||
a16e1123 | 1033 | return mount_state_to_string(MOUNT(u)->state); |
10a94420 LP |
1034 | } |
1035 | ||
701cc384 LP |
1036 | static bool mount_check_gc(Unit *u) { |
1037 | Mount *m = MOUNT(u); | |
1038 | ||
1039 | assert(m); | |
1040 | ||
1041 | return m->from_etc_fstab || m->from_proc_self_mountinfo; | |
1042 | } | |
1043 | ||
e537352b LP |
1044 | static void mount_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
1045 | Mount *m = MOUNT(u); | |
1046 | bool success; | |
1047 | ||
1048 | assert(m); | |
1049 | assert(pid >= 0); | |
1050 | ||
8c47c732 LP |
1051 | if (pid != m->control_pid) |
1052 | return; | |
e537352b | 1053 | |
e537352b LP |
1054 | m->control_pid = 0; |
1055 | ||
8c47c732 LP |
1056 | success = is_clean_exit(code, status); |
1057 | m->failure = m->failure || !success; | |
1058 | ||
a16e1123 | 1059 | if (m->control_command) { |
b58b4116 | 1060 | exec_status_exit(&m->control_command->exec_status, pid, code, status); |
a16e1123 LP |
1061 | m->control_command = NULL; |
1062 | m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID; | |
1063 | } | |
1064 | ||
92abbefb LP |
1065 | log_full(success ? LOG_DEBUG : LOG_NOTICE, |
1066 | "%s mount process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status); | |
e537352b LP |
1067 | |
1068 | /* Note that mount(8) returning and the kernel sending us a | |
1069 | * mount table change event might happen out-of-order. If an | |
1070 | * operation succeed we assume the kernel will follow soon too | |
1071 | * and already change into the resulting state. If it fails | |
1072 | * we check if the kernel still knows about the mount. and | |
1073 | * change state accordingly. */ | |
1074 | ||
1075 | switch (m->state) { | |
1076 | ||
1077 | case MOUNT_MOUNTING: | |
1078 | case MOUNT_MOUNTING_DONE: | |
1079 | case MOUNT_MOUNTING_SIGKILL: | |
1080 | case MOUNT_MOUNTING_SIGTERM: | |
1081 | case MOUNT_REMOUNTING: | |
1082 | case MOUNT_REMOUNTING_SIGKILL: | |
1083 | case MOUNT_REMOUNTING_SIGTERM: | |
1084 | ||
19b160fa | 1085 | if (success) |
e537352b LP |
1086 | mount_enter_mounted(m, true); |
1087 | else if (m->from_proc_self_mountinfo) | |
1088 | mount_enter_mounted(m, false); | |
1089 | else | |
1090 | mount_enter_dead(m, false); | |
1091 | break; | |
1092 | ||
1093 | case MOUNT_UNMOUNTING: | |
1094 | case MOUNT_UNMOUNTING_SIGKILL: | |
1095 | case MOUNT_UNMOUNTING_SIGTERM: | |
1096 | ||
1097 | if (success) | |
1098 | mount_enter_dead(m, true); | |
1099 | else if (m->from_proc_self_mountinfo) | |
1100 | mount_enter_mounted(m, false); | |
1101 | else | |
1102 | mount_enter_dead(m, false); | |
1103 | break; | |
1104 | ||
1105 | default: | |
1106 | assert_not_reached("Uh, control process died at wrong time."); | |
1107 | } | |
c4e2ceae LP |
1108 | |
1109 | /* Notify clients about changed exit status */ | |
1110 | unit_add_to_dbus_queue(u); | |
e537352b LP |
1111 | } |
1112 | ||
1113 | static void mount_timer_event(Unit *u, uint64_t elapsed, Watch *w) { | |
1114 | Mount *m = MOUNT(u); | |
1115 | ||
1116 | assert(m); | |
1117 | assert(elapsed == 1); | |
1118 | assert(w == &m->timer_watch); | |
1119 | ||
1120 | switch (m->state) { | |
1121 | ||
1122 | case MOUNT_MOUNTING: | |
1123 | case MOUNT_MOUNTING_DONE: | |
9e2f7c11 | 1124 | log_warning("%s mounting timed out. Stopping.", u->meta.id); |
e537352b LP |
1125 | mount_enter_signal(m, MOUNT_MOUNTING_SIGTERM, false); |
1126 | break; | |
1127 | ||
1128 | case MOUNT_REMOUNTING: | |
9e2f7c11 | 1129 | log_warning("%s remounting timed out. Stopping.", u->meta.id); |
e537352b LP |
1130 | mount_enter_signal(m, MOUNT_REMOUNTING_SIGTERM, false); |
1131 | break; | |
1132 | ||
1133 | case MOUNT_UNMOUNTING: | |
9e2f7c11 | 1134 | log_warning("%s unmounting timed out. Stopping.", u->meta.id); |
e537352b LP |
1135 | mount_enter_signal(m, MOUNT_UNMOUNTING_SIGTERM, false); |
1136 | break; | |
1137 | ||
1138 | case MOUNT_MOUNTING_SIGTERM: | |
9e2f7c11 | 1139 | log_warning("%s mounting timed out. Killing.", u->meta.id); |
e537352b LP |
1140 | mount_enter_signal(m, MOUNT_MOUNTING_SIGKILL, false); |
1141 | break; | |
1142 | ||
1143 | case MOUNT_REMOUNTING_SIGTERM: | |
9e2f7c11 | 1144 | log_warning("%s remounting timed out. Killing.", u->meta.id); |
e537352b LP |
1145 | mount_enter_signal(m, MOUNT_REMOUNTING_SIGKILL, false); |
1146 | break; | |
1147 | ||
1148 | case MOUNT_UNMOUNTING_SIGTERM: | |
9e2f7c11 | 1149 | log_warning("%s unmounting timed out. Killing.", u->meta.id); |
e537352b LP |
1150 | mount_enter_signal(m, MOUNT_UNMOUNTING_SIGKILL, false); |
1151 | break; | |
1152 | ||
1153 | case MOUNT_MOUNTING_SIGKILL: | |
1154 | case MOUNT_REMOUNTING_SIGKILL: | |
1155 | case MOUNT_UNMOUNTING_SIGKILL: | |
9e2f7c11 | 1156 | log_warning("%s mount process still around after SIGKILL. Ignoring.", u->meta.id); |
e537352b LP |
1157 | |
1158 | if (m->from_proc_self_mountinfo) | |
1159 | mount_enter_mounted(m, false); | |
1160 | else | |
1161 | mount_enter_dead(m, false); | |
1162 | break; | |
1163 | ||
1164 | default: | |
1165 | assert_not_reached("Timeout at wrong time."); | |
1166 | } | |
1167 | } | |
1168 | ||
1169 | static int mount_add_one( | |
1170 | Manager *m, | |
1171 | const char *what, | |
1172 | const char *where, | |
1173 | const char *options, | |
1174 | const char *fstype, | |
1175 | bool from_proc_self_mountinfo, | |
1176 | bool set_flags) { | |
b08d03ff LP |
1177 | int r; |
1178 | Unit *u; | |
1179 | bool delete; | |
e537352b | 1180 | char *e, *w = NULL, *o = NULL, *f = NULL; |
4e85aff4 | 1181 | MountParameters *p; |
b08d03ff | 1182 | |
f50e0a01 | 1183 | assert(m); |
b08d03ff LP |
1184 | assert(what); |
1185 | assert(where); | |
e537352b LP |
1186 | assert(options); |
1187 | assert(fstype); | |
1188 | ||
1189 | assert(!set_flags || from_proc_self_mountinfo); | |
1190 | ||
1191 | /* Ignore API mount points. They should never be referenced in | |
1192 | * dependencies ever. */ | |
1193 | if (mount_point_is_api(where)) | |
1194 | return 0; | |
b08d03ff | 1195 | |
8d567588 LP |
1196 | if (streq(fstype, "autofs")) |
1197 | return 0; | |
1198 | ||
4e85aff4 LP |
1199 | /* probably some kind of swap, ignore */ |
1200 | if (!is_path(where)) | |
b08d03ff LP |
1201 | return 0; |
1202 | ||
a16e1123 | 1203 | if (!(e = unit_name_from_path(where, ".mount"))) |
b08d03ff LP |
1204 | return -ENOMEM; |
1205 | ||
1206 | if (!(u = manager_get_unit(m, e))) { | |
1207 | delete = true; | |
1208 | ||
1209 | if (!(u = unit_new(m))) { | |
1210 | free(e); | |
1211 | return -ENOMEM; | |
1212 | } | |
1213 | ||
1214 | r = unit_add_name(u, e); | |
1215 | free(e); | |
1216 | ||
1217 | if (r < 0) | |
1218 | goto fail; | |
1219 | ||
e537352b | 1220 | if (!(MOUNT(u)->where = strdup(where))) { |
07b0b134 ML |
1221 | r = -ENOMEM; |
1222 | goto fail; | |
1223 | } | |
f50e0a01 | 1224 | |
f94ea366 | 1225 | unit_add_to_load_queue(u); |
b08d03ff LP |
1226 | } else { |
1227 | delete = false; | |
1228 | free(e); | |
1229 | } | |
1230 | ||
e537352b LP |
1231 | if (!(w = strdup(what)) || |
1232 | !(o = strdup(options)) || | |
1233 | !(f = strdup(fstype))) { | |
1234 | r = -ENOMEM; | |
1235 | goto fail; | |
1236 | } | |
1237 | ||
1238 | if (from_proc_self_mountinfo) { | |
4e85aff4 | 1239 | p = &MOUNT(u)->parameters_proc_self_mountinfo; |
e537352b LP |
1240 | |
1241 | if (set_flags) { | |
1242 | MOUNT(u)->is_mounted = true; | |
1243 | MOUNT(u)->just_mounted = !MOUNT(u)->from_proc_self_mountinfo; | |
4e85aff4 | 1244 | MOUNT(u)->just_changed = !streq_ptr(p->options, o); |
e537352b | 1245 | } |
ef734fd6 | 1246 | |
f50e0a01 | 1247 | MOUNT(u)->from_proc_self_mountinfo = true; |
ef734fd6 | 1248 | } else { |
4e85aff4 | 1249 | p = &MOUNT(u)->parameters_etc_fstab; |
f50e0a01 | 1250 | MOUNT(u)->from_etc_fstab = true; |
ef734fd6 | 1251 | } |
f50e0a01 | 1252 | |
4e85aff4 LP |
1253 | free(p->what); |
1254 | p->what = w; | |
b08d03ff | 1255 | |
4e85aff4 LP |
1256 | free(p->options); |
1257 | p->options = o; | |
e537352b | 1258 | |
4e85aff4 LP |
1259 | free(p->fstype); |
1260 | p->fstype = f; | |
b08d03ff | 1261 | |
c1e1601e LP |
1262 | unit_add_to_dbus_queue(u); |
1263 | ||
b08d03ff LP |
1264 | return 0; |
1265 | ||
1266 | fail: | |
e537352b LP |
1267 | free(w); |
1268 | free(o); | |
1269 | free(f); | |
1270 | ||
b08d03ff LP |
1271 | if (delete && u) |
1272 | unit_free(u); | |
1273 | ||
4e85aff4 | 1274 | return r; |
b08d03ff LP |
1275 | } |
1276 | ||
1277 | static char *fstab_node_to_udev_node(char *p) { | |
11ce3427 | 1278 | char *dn, *t, *u; |
b08d03ff LP |
1279 | int r; |
1280 | ||
1281 | /* FIXME: to follow udev's logic 100% we need to leave valid | |
1282 | * UTF8 chars unescaped */ | |
1283 | ||
1284 | if (startswith(p, "LABEL=")) { | |
1285 | ||
97c4a07d | 1286 | if (!(u = unquote(p+6, "\"\'"))) |
11ce3427 LP |
1287 | return NULL; |
1288 | ||
1289 | t = xescape(u, "/ "); | |
1290 | free(u); | |
1291 | ||
1292 | if (!t) | |
b08d03ff LP |
1293 | return NULL; |
1294 | ||
f50e0a01 | 1295 | r = asprintf(&dn, "/dev/disk/by-label/%s", t); |
b08d03ff LP |
1296 | free(t); |
1297 | ||
1298 | if (r < 0) | |
1299 | return NULL; | |
1300 | ||
1301 | return dn; | |
1302 | } | |
1303 | ||
1304 | if (startswith(p, "UUID=")) { | |
1305 | ||
97c4a07d | 1306 | if (!(u = unquote(p+5, "\"\'"))) |
11ce3427 LP |
1307 | return NULL; |
1308 | ||
1309 | t = xescape(u, "/ "); | |
1310 | free(u); | |
1311 | ||
1312 | if (!t) | |
b08d03ff LP |
1313 | return NULL; |
1314 | ||
f50e0a01 | 1315 | r = asprintf(&dn, "/dev/disk/by-uuid/%s", ascii_strlower(t)); |
b08d03ff LP |
1316 | free(t); |
1317 | ||
1318 | if (r < 0) | |
1319 | return NULL; | |
1320 | ||
1321 | return dn; | |
1322 | } | |
1323 | ||
1324 | return strdup(p); | |
1325 | } | |
1326 | ||
07b0b134 ML |
1327 | static int mount_find_pri(char *options) { |
1328 | char *end, *pri; | |
1329 | unsigned long r; | |
1330 | ||
1331 | if (!(pri = mount_test_option(options, "pri="))) | |
1332 | return 0; | |
1333 | ||
1334 | pri += 4; | |
1335 | ||
1336 | errno = 0; | |
1337 | r = strtoul(pri, &end, 10); | |
1338 | ||
1339 | if (errno != 0) | |
1340 | return -errno; | |
1341 | ||
1342 | if (end == pri || (*end != ',' && *end != 0)) | |
1343 | return -EINVAL; | |
1344 | ||
1345 | return (int) r; | |
1346 | } | |
1347 | ||
e537352b | 1348 | static int mount_load_etc_fstab(Manager *m) { |
b08d03ff LP |
1349 | FILE *f; |
1350 | int r; | |
1351 | struct mntent* me; | |
1352 | ||
1353 | assert(m); | |
1354 | ||
1355 | errno = 0; | |
1356 | if (!(f = setmntent("/etc/fstab", "r"))) | |
1357 | return -errno; | |
1358 | ||
1359 | while ((me = getmntent(f))) { | |
1360 | char *where, *what; | |
1361 | ||
1362 | if (!(what = fstab_node_to_udev_node(me->mnt_fsname))) { | |
1363 | r = -ENOMEM; | |
1364 | goto finish; | |
1365 | } | |
1366 | ||
1367 | if (!(where = strdup(me->mnt_dir))) { | |
1368 | free(what); | |
1369 | r = -ENOMEM; | |
1370 | goto finish; | |
1371 | } | |
1372 | ||
1373 | if (what[0] == '/') | |
1374 | path_kill_slashes(what); | |
1375 | ||
1376 | if (where[0] == '/') | |
1377 | path_kill_slashes(where); | |
1378 | ||
07b0b134 ML |
1379 | if (streq(me->mnt_type, "swap")) { |
1380 | int pri; | |
1381 | ||
1382 | if ((pri = mount_find_pri(me->mnt_opts)) < 0) | |
1383 | r = pri; | |
1384 | else | |
1385 | r = swap_add_one(m, | |
1386 | what, | |
07b0b134 | 1387 | pri, |
4e85aff4 | 1388 | !!mount_test_option(me->mnt_opts, MNTOPT_NOAUTO), |
173a8d04 | 1389 | !!mount_test_option(me->mnt_opts, "nofail"), |
4e85aff4 | 1390 | !!mount_test_option(me->mnt_opts, "comment=systemd.swapon"), |
07b0b134 ML |
1391 | false); |
1392 | } else | |
1393 | r = mount_add_one(m, what, where, me->mnt_opts, me->mnt_type, false, false); | |
1394 | ||
b08d03ff LP |
1395 | free(what); |
1396 | free(where); | |
1397 | ||
1398 | if (r < 0) | |
1399 | goto finish; | |
1400 | } | |
1401 | ||
1402 | r = 0; | |
1403 | finish: | |
1404 | ||
1405 | endmntent(f); | |
1406 | return r; | |
1407 | } | |
1408 | ||
ef734fd6 | 1409 | static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) { |
b08d03ff | 1410 | int r; |
a2e0f3d3 | 1411 | char *device, *path, *options, *options2, *fstype, *d, *p, *o; |
b08d03ff LP |
1412 | |
1413 | assert(m); | |
1414 | ||
ef734fd6 | 1415 | rewind(m->proc_self_mountinfo); |
b08d03ff LP |
1416 | |
1417 | for (;;) { | |
1418 | int k; | |
e537352b | 1419 | |
a2e0f3d3 | 1420 | device = path = options = options2 = fstype = d = p = o = NULL; |
b08d03ff | 1421 | |
ef734fd6 | 1422 | if ((k = fscanf(m->proc_self_mountinfo, |
b08d03ff LP |
1423 | "%*s " /* (1) mount id */ |
1424 | "%*s " /* (2) parent id */ | |
1425 | "%*s " /* (3) major:minor */ | |
1426 | "%*s " /* (4) root */ | |
1427 | "%ms " /* (5) mount point */ | |
e537352b | 1428 | "%ms" /* (6) mount options */ |
b08d03ff | 1429 | "%*[^-]" /* (7) optional fields */ |
c899f8c6 | 1430 | "- " /* (8) separator */ |
e537352b | 1431 | "%ms " /* (9) file system type */ |
ef734fd6 | 1432 | "%ms" /* (10) mount source */ |
a2e0f3d3 | 1433 | "%ms" /* (11) mount options 2 */ |
ef734fd6 | 1434 | "%*[^\n]", /* some rubbish at the end */ |
b08d03ff | 1435 | &path, |
e537352b LP |
1436 | &options, |
1437 | &fstype, | |
a2e0f3d3 LP |
1438 | &device, |
1439 | &options2)) != 5) { | |
b08d03ff | 1440 | |
ef734fd6 LP |
1441 | if (k == EOF) |
1442 | break; | |
b08d03ff | 1443 | |
e537352b LP |
1444 | r = -EBADMSG; |
1445 | goto finish; | |
b08d03ff LP |
1446 | } |
1447 | ||
a2e0f3d3 LP |
1448 | if (asprintf(&o, "%s,%s", options, options2) < 0) { |
1449 | r = -ENOMEM; | |
1450 | goto finish; | |
1451 | } | |
1452 | ||
e537352b LP |
1453 | if (!(d = cunescape(device)) || |
1454 | !(p = cunescape(path))) { | |
1455 | r = -ENOMEM; | |
1456 | goto finish; | |
b08d03ff | 1457 | } |
b08d03ff | 1458 | |
a2e0f3d3 | 1459 | if ((r = mount_add_one(m, d, p, o, fstype, true, set_flags)) < 0) |
e537352b | 1460 | goto finish; |
b08d03ff | 1461 | |
e537352b LP |
1462 | free(device); |
1463 | free(path); | |
1464 | free(options); | |
a2e0f3d3 | 1465 | free(options2); |
e537352b | 1466 | free(fstype); |
b08d03ff LP |
1467 | free(d); |
1468 | free(p); | |
a2e0f3d3 | 1469 | free(o); |
b08d03ff LP |
1470 | } |
1471 | ||
e537352b LP |
1472 | r = 0; |
1473 | ||
1474 | finish: | |
1475 | free(device); | |
1476 | free(path); | |
1477 | free(options); | |
a2e0f3d3 | 1478 | free(options2); |
e537352b LP |
1479 | free(fstype); |
1480 | free(d); | |
1481 | free(p); | |
a2e0f3d3 | 1482 | free(o); |
e537352b LP |
1483 | |
1484 | return r; | |
1485 | } | |
1486 | ||
1487 | static void mount_shutdown(Manager *m) { | |
1488 | assert(m); | |
1489 | ||
a16e1123 | 1490 | if (m->proc_self_mountinfo) { |
e537352b | 1491 | fclose(m->proc_self_mountinfo); |
a16e1123 LP |
1492 | m->proc_self_mountinfo = NULL; |
1493 | } | |
b08d03ff LP |
1494 | } |
1495 | ||
1496 | static int mount_enumerate(Manager *m) { | |
1497 | int r; | |
ef734fd6 | 1498 | struct epoll_event ev; |
b08d03ff LP |
1499 | assert(m); |
1500 | ||
a16e1123 LP |
1501 | if (!m->proc_self_mountinfo) { |
1502 | if (!(m->proc_self_mountinfo = fopen("/proc/self/mountinfo", "re"))) | |
1503 | return -errno; | |
ef734fd6 | 1504 | |
a16e1123 LP |
1505 | m->mount_watch.type = WATCH_MOUNT; |
1506 | m->mount_watch.fd = fileno(m->proc_self_mountinfo); | |
ef734fd6 | 1507 | |
a16e1123 LP |
1508 | zero(ev); |
1509 | ev.events = EPOLLERR; | |
1510 | ev.data.ptr = &m->mount_watch; | |
ef734fd6 | 1511 | |
a16e1123 LP |
1512 | if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->mount_watch.fd, &ev) < 0) |
1513 | return -errno; | |
1514 | } | |
ef734fd6 | 1515 | |
e537352b | 1516 | if ((r = mount_load_etc_fstab(m)) < 0) |
b08d03ff LP |
1517 | goto fail; |
1518 | ||
ef734fd6 | 1519 | if ((r = mount_load_proc_self_mountinfo(m, false)) < 0) |
b08d03ff LP |
1520 | goto fail; |
1521 | ||
1522 | return 0; | |
1523 | ||
1524 | fail: | |
1525 | mount_shutdown(m); | |
1526 | return r; | |
5cb5a6ff LP |
1527 | } |
1528 | ||
ef734fd6 LP |
1529 | void mount_fd_event(Manager *m, int events) { |
1530 | Meta *meta; | |
1531 | int r; | |
1532 | ||
1533 | assert(m); | |
f94ea366 | 1534 | assert(events == EPOLLERR); |
ef734fd6 LP |
1535 | |
1536 | /* The manager calls this for every fd event happening on the | |
1537 | * /proc/self/mountinfo file, which informs us about mounting | |
1538 | * table changes */ | |
1539 | ||
1540 | if ((r = mount_load_proc_self_mountinfo(m, true)) < 0) { | |
e364ad06 | 1541 | log_error("Failed to reread /proc/self/mountinfo: %s", strerror(-r)); |
e537352b LP |
1542 | |
1543 | /* Reset flags, just in case, for later calls */ | |
1544 | LIST_FOREACH(units_per_type, meta, m->units_per_type[UNIT_MOUNT]) { | |
1545 | Mount *mount = (Mount*) meta; | |
1546 | ||
1547 | mount->is_mounted = mount->just_mounted = mount->just_changed = false; | |
1548 | } | |
1549 | ||
ef734fd6 LP |
1550 | return; |
1551 | } | |
1552 | ||
1553 | manager_dispatch_load_queue(m); | |
1554 | ||
1555 | LIST_FOREACH(units_per_type, meta, m->units_per_type[UNIT_MOUNT]) { | |
1556 | Mount *mount = (Mount*) meta; | |
1557 | ||
e537352b LP |
1558 | if (!mount->is_mounted) { |
1559 | /* This has just been unmounted. */ | |
1560 | ||
ef734fd6 | 1561 | mount->from_proc_self_mountinfo = false; |
e537352b LP |
1562 | |
1563 | switch (mount->state) { | |
1564 | ||
1565 | case MOUNT_MOUNTED: | |
1566 | mount_enter_dead(mount, true); | |
1567 | break; | |
1568 | ||
1569 | default: | |
1570 | mount_set_state(mount, mount->state); | |
1571 | break; | |
1572 | ||
1573 | } | |
1574 | ||
1575 | } else if (mount->just_mounted || mount->just_changed) { | |
1576 | ||
1577 | /* New or changed entrymount */ | |
1578 | ||
1579 | switch (mount->state) { | |
1580 | ||
1581 | case MOUNT_DEAD: | |
fdf20a31 | 1582 | case MOUNT_FAILED: |
e537352b LP |
1583 | mount_enter_mounted(mount, true); |
1584 | break; | |
1585 | ||
1586 | case MOUNT_MOUNTING: | |
8d567588 | 1587 | mount_enter_mounting_done(mount); |
e537352b LP |
1588 | break; |
1589 | ||
1590 | default: | |
1591 | /* Nothing really changed, but let's | |
1592 | * issue an notification call | |
1593 | * nonetheless, in case somebody is | |
1594 | * waiting for this. (e.g. file system | |
1595 | * ro/rw remounts.) */ | |
1596 | mount_set_state(mount, mount->state); | |
1597 | break; | |
1598 | } | |
1599 | } | |
1600 | ||
1601 | /* Reset the flags for later calls */ | |
1602 | mount->is_mounted = mount->just_mounted = mount->just_changed = false; | |
1603 | } | |
1604 | } | |
1605 | ||
fdf20a31 | 1606 | static void mount_reset_failed(Unit *u) { |
5632e374 LP |
1607 | Mount *m = MOUNT(u); |
1608 | ||
1609 | assert(m); | |
1610 | ||
fdf20a31 | 1611 | if (m->state == MOUNT_FAILED) |
5632e374 LP |
1612 | mount_set_state(m, MOUNT_DEAD); |
1613 | ||
1614 | m->failure = false; | |
1615 | } | |
1616 | ||
a16e1123 LP |
1617 | static const char* const mount_state_table[_MOUNT_STATE_MAX] = { |
1618 | [MOUNT_DEAD] = "dead", | |
1619 | [MOUNT_MOUNTING] = "mounting", | |
1620 | [MOUNT_MOUNTING_DONE] = "mounting-done", | |
1621 | [MOUNT_MOUNTED] = "mounted", | |
1622 | [MOUNT_REMOUNTING] = "remounting", | |
1623 | [MOUNT_UNMOUNTING] = "unmounting", | |
1624 | [MOUNT_MOUNTING_SIGTERM] = "mounting-sigterm", | |
1625 | [MOUNT_MOUNTING_SIGKILL] = "mounting-sigkill", | |
1626 | [MOUNT_REMOUNTING_SIGTERM] = "remounting-sigterm", | |
1627 | [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill", | |
1628 | [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm", | |
1629 | [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill", | |
fdf20a31 | 1630 | [MOUNT_FAILED] = "failed" |
a16e1123 LP |
1631 | }; |
1632 | ||
1633 | DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState); | |
1634 | ||
1635 | static const char* const mount_exec_command_table[_MOUNT_EXEC_COMMAND_MAX] = { | |
1636 | [MOUNT_EXEC_MOUNT] = "ExecMount", | |
1637 | [MOUNT_EXEC_UNMOUNT] = "ExecUnmount", | |
1638 | [MOUNT_EXEC_REMOUNT] = "ExecRemount", | |
1639 | }; | |
1640 | ||
1641 | DEFINE_STRING_TABLE_LOOKUP(mount_exec_command, MountExecCommand); | |
1642 | ||
87f0e418 | 1643 | const UnitVTable mount_vtable = { |
5cb5a6ff LP |
1644 | .suffix = ".mount", |
1645 | ||
e537352b | 1646 | .no_alias = true, |
9e2f7c11 | 1647 | .no_instances = true, |
c497c7a9 | 1648 | .no_isolate = true, |
9e58ff9c | 1649 | .show_status = true, |
e537352b LP |
1650 | |
1651 | .init = mount_init, | |
1652 | .load = mount_load, | |
034c6ed7 | 1653 | .done = mount_done, |
e537352b | 1654 | |
f50e0a01 LP |
1655 | .coldplug = mount_coldplug, |
1656 | ||
034c6ed7 | 1657 | .dump = mount_dump, |
5cb5a6ff | 1658 | |
e537352b LP |
1659 | .start = mount_start, |
1660 | .stop = mount_stop, | |
1661 | .reload = mount_reload, | |
1662 | ||
a16e1123 LP |
1663 | .serialize = mount_serialize, |
1664 | .deserialize_item = mount_deserialize_item, | |
1665 | ||
f50e0a01 | 1666 | .active_state = mount_active_state, |
10a94420 | 1667 | .sub_state_to_string = mount_sub_state_to_string, |
b08d03ff | 1668 | |
701cc384 LP |
1669 | .check_gc = mount_check_gc, |
1670 | ||
e537352b LP |
1671 | .sigchld_event = mount_sigchld_event, |
1672 | .timer_event = mount_timer_event, | |
1673 | ||
fdf20a31 | 1674 | .reset_failed = mount_reset_failed, |
5632e374 | 1675 | |
c4e2ceae | 1676 | .bus_interface = "org.freedesktop.systemd1.Mount", |
4139c1b2 | 1677 | .bus_message_handler = bus_mount_message_handler, |
c4e2ceae | 1678 | .bus_invalidating_properties = bus_mount_invalidating_properties, |
4139c1b2 | 1679 | |
f50e0a01 LP |
1680 | .enumerate = mount_enumerate, |
1681 | .shutdown = mount_shutdown | |
5cb5a6ff | 1682 | }; |