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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | ||
22 | /* | |
572e2857 | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
d22f3a82 | 24 | * Copyright (c) 2018, Joyent, Inc. All rights reserved. |
5b72a38d | 25 | * Copyright (c) 2011, 2017 by Delphix. All rights reserved. |
08b1b21d | 26 | * Copyright (c) 2012 DEY Storage Systems, Inc. All rights reserved. |
0cee2406 | 27 | * Copyright (c) 2012 Pawel Jakub Dawidek <pawel@dawidek.net>. |
b1118acb | 28 | * Copyright (c) 2013 Martin Matuska. All rights reserved. |
95fd54a1 | 29 | * Copyright (c) 2013 Steven Hartland. All rights reserved. |
bcb1a8a2 | 30 | * Copyright 2017 Nexenta Systems, Inc. |
23d70cde | 31 | * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com> |
d12f91fd | 32 | * Copyright 2017 RackTop Systems. |
34dc7c2f BB |
33 | */ |
34 | ||
34dc7c2f BB |
35 | #include <ctype.h> |
36 | #include <errno.h> | |
34dc7c2f BB |
37 | #include <libintl.h> |
38 | #include <math.h> | |
39 | #include <stdio.h> | |
40 | #include <stdlib.h> | |
41 | #include <strings.h> | |
42 | #include <unistd.h> | |
43 | #include <stddef.h> | |
44 | #include <zone.h> | |
45 | #include <fcntl.h> | |
46 | #include <sys/mntent.h> | |
34dc7c2f | 47 | #include <sys/mount.h> |
34dc7c2f BB |
48 | #include <pwd.h> |
49 | #include <grp.h> | |
50 | #include <stddef.h> | |
51 | #include <ucred.h> | |
be160928 | 52 | #ifdef HAVE_IDMAP |
9babb374 BB |
53 | #include <idmap.h> |
54 | #include <aclutils.h> | |
45d1cae3 | 55 | #include <directory.h> |
be160928 | 56 | #endif /* HAVE_IDMAP */ |
34dc7c2f | 57 | |
428870ff | 58 | #include <sys/dnode.h> |
34dc7c2f BB |
59 | #include <sys/spa.h> |
60 | #include <sys/zap.h> | |
b5256303 | 61 | #include <sys/dsl_crypt.h> |
34dc7c2f BB |
62 | #include <libzfs.h> |
63 | ||
64 | #include "zfs_namecheck.h" | |
65 | #include "zfs_prop.h" | |
66 | #include "libzfs_impl.h" | |
6044cf59 | 67 | #include "libzfs.h" |
34dc7c2f BB |
68 | #include "zfs_deleg.h" |
69 | ||
9babb374 BB |
70 | static int userquota_propname_decode(const char *propname, boolean_t zoned, |
71 | zfs_userquota_prop_t *typep, char *domain, int domainlen, uint64_t *ridp); | |
34dc7c2f BB |
72 | |
73 | /* | |
74 | * Given a single type (not a mask of types), return the type in a human | |
75 | * readable form. | |
76 | */ | |
77 | const char * | |
78 | zfs_type_to_name(zfs_type_t type) | |
79 | { | |
80 | switch (type) { | |
81 | case ZFS_TYPE_FILESYSTEM: | |
82 | return (dgettext(TEXT_DOMAIN, "filesystem")); | |
83 | case ZFS_TYPE_SNAPSHOT: | |
84 | return (dgettext(TEXT_DOMAIN, "snapshot")); | |
85 | case ZFS_TYPE_VOLUME: | |
86 | return (dgettext(TEXT_DOMAIN, "volume")); | |
23d70cde GM |
87 | case ZFS_TYPE_POOL: |
88 | return (dgettext(TEXT_DOMAIN, "pool")); | |
89 | case ZFS_TYPE_BOOKMARK: | |
90 | return (dgettext(TEXT_DOMAIN, "bookmark")); | |
e75c13c3 | 91 | default: |
23d70cde | 92 | assert(!"unhandled zfs_type_t"); |
34dc7c2f BB |
93 | } |
94 | ||
95 | return (NULL); | |
96 | } | |
97 | ||
34dc7c2f BB |
98 | /* |
99 | * Validate a ZFS path. This is used even before trying to open the dataset, to | |
9babb374 BB |
100 | * provide a more meaningful error message. We call zfs_error_aux() to |
101 | * explain exactly why the name was not valid. | |
34dc7c2f | 102 | */ |
572e2857 | 103 | int |
34dc7c2f BB |
104 | zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type, |
105 | boolean_t modifying) | |
106 | { | |
107 | namecheck_err_t why; | |
108 | char what; | |
109 | ||
aeacdefe | 110 | if (entity_namecheck(path, &why, &what) != 0) { |
34dc7c2f BB |
111 | if (hdl != NULL) { |
112 | switch (why) { | |
113 | case NAME_ERR_TOOLONG: | |
114 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
115 | "name is too long")); | |
116 | break; | |
117 | ||
118 | case NAME_ERR_LEADING_SLASH: | |
119 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
120 | "leading slash in name")); | |
121 | break; | |
122 | ||
123 | case NAME_ERR_EMPTY_COMPONENT: | |
124 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
125 | "empty component in name")); | |
126 | break; | |
127 | ||
128 | case NAME_ERR_TRAILING_SLASH: | |
129 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
130 | "trailing slash in name")); | |
131 | break; | |
132 | ||
133 | case NAME_ERR_INVALCHAR: | |
134 | zfs_error_aux(hdl, | |
135 | dgettext(TEXT_DOMAIN, "invalid character " | |
136 | "'%c' in name"), what); | |
137 | break; | |
138 | ||
aeacdefe | 139 | case NAME_ERR_MULTIPLE_DELIMITERS: |
34dc7c2f | 140 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
aeacdefe GM |
141 | "multiple '@' and/or '#' delimiters in " |
142 | "name")); | |
34dc7c2f BB |
143 | break; |
144 | ||
145 | case NAME_ERR_NOLETTER: | |
146 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
147 | "pool doesn't begin with a letter")); | |
148 | break; | |
149 | ||
150 | case NAME_ERR_RESERVED: | |
151 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
152 | "name is reserved")); | |
153 | break; | |
154 | ||
155 | case NAME_ERR_DISKLIKE: | |
156 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
157 | "reserved disk name")); | |
158 | break; | |
23d70cde | 159 | |
e75c13c3 | 160 | default: |
23d70cde GM |
161 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
162 | "(%d) not defined"), why); | |
e75c13c3 | 163 | break; |
34dc7c2f BB |
164 | } |
165 | } | |
166 | ||
167 | return (0); | |
168 | } | |
169 | ||
170 | if (!(type & ZFS_TYPE_SNAPSHOT) && strchr(path, '@') != NULL) { | |
171 | if (hdl != NULL) | |
172 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
aeacdefe | 173 | "snapshot delimiter '@' is not expected here")); |
34dc7c2f BB |
174 | return (0); |
175 | } | |
176 | ||
177 | if (type == ZFS_TYPE_SNAPSHOT && strchr(path, '@') == NULL) { | |
178 | if (hdl != NULL) | |
179 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
180 | "missing '@' delimiter in snapshot name")); | |
181 | return (0); | |
182 | } | |
183 | ||
aeacdefe GM |
184 | if (!(type & ZFS_TYPE_BOOKMARK) && strchr(path, '#') != NULL) { |
185 | if (hdl != NULL) | |
186 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
187 | "bookmark delimiter '#' is not expected here")); | |
188 | return (0); | |
189 | } | |
190 | ||
191 | if (type == ZFS_TYPE_BOOKMARK && strchr(path, '#') == NULL) { | |
192 | if (hdl != NULL) | |
193 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
194 | "missing '#' delimiter in bookmark name")); | |
195 | return (0); | |
196 | } | |
197 | ||
34dc7c2f BB |
198 | if (modifying && strchr(path, '%') != NULL) { |
199 | if (hdl != NULL) | |
200 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
201 | "invalid character %c in name"), '%'); | |
202 | return (0); | |
203 | } | |
204 | ||
205 | return (-1); | |
206 | } | |
207 | ||
208 | int | |
209 | zfs_name_valid(const char *name, zfs_type_t type) | |
210 | { | |
211 | if (type == ZFS_TYPE_POOL) | |
212 | return (zpool_name_valid(NULL, B_FALSE, name)); | |
213 | return (zfs_validate_name(NULL, name, type, B_FALSE)); | |
214 | } | |
215 | ||
216 | /* | |
217 | * This function takes the raw DSL properties, and filters out the user-defined | |
218 | * properties into a separate nvlist. | |
219 | */ | |
220 | static nvlist_t * | |
221 | process_user_props(zfs_handle_t *zhp, nvlist_t *props) | |
222 | { | |
223 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
224 | nvpair_t *elem; | |
225 | nvlist_t *propval; | |
226 | nvlist_t *nvl; | |
227 | ||
228 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) { | |
229 | (void) no_memory(hdl); | |
230 | return (NULL); | |
231 | } | |
232 | ||
233 | elem = NULL; | |
234 | while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
235 | if (!zfs_prop_user(nvpair_name(elem))) | |
236 | continue; | |
237 | ||
238 | verify(nvpair_value_nvlist(elem, &propval) == 0); | |
239 | if (nvlist_add_nvlist(nvl, nvpair_name(elem), propval) != 0) { | |
240 | nvlist_free(nvl); | |
241 | (void) no_memory(hdl); | |
242 | return (NULL); | |
243 | } | |
244 | } | |
245 | ||
246 | return (nvl); | |
247 | } | |
248 | ||
b128c09f BB |
249 | static zpool_handle_t * |
250 | zpool_add_handle(zfs_handle_t *zhp, const char *pool_name) | |
251 | { | |
252 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
253 | zpool_handle_t *zph; | |
254 | ||
255 | if ((zph = zpool_open_canfail(hdl, pool_name)) != NULL) { | |
256 | if (hdl->libzfs_pool_handles != NULL) | |
257 | zph->zpool_next = hdl->libzfs_pool_handles; | |
258 | hdl->libzfs_pool_handles = zph; | |
259 | } | |
260 | return (zph); | |
261 | } | |
262 | ||
263 | static zpool_handle_t * | |
264 | zpool_find_handle(zfs_handle_t *zhp, const char *pool_name, int len) | |
265 | { | |
266 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
267 | zpool_handle_t *zph = hdl->libzfs_pool_handles; | |
268 | ||
269 | while ((zph != NULL) && | |
270 | (strncmp(pool_name, zpool_get_name(zph), len) != 0)) | |
271 | zph = zph->zpool_next; | |
272 | return (zph); | |
273 | } | |
274 | ||
275 | /* | |
276 | * Returns a handle to the pool that contains the provided dataset. | |
277 | * If a handle to that pool already exists then that handle is returned. | |
278 | * Otherwise, a new handle is created and added to the list of handles. | |
279 | */ | |
280 | static zpool_handle_t * | |
281 | zpool_handle(zfs_handle_t *zhp) | |
282 | { | |
283 | char *pool_name; | |
284 | int len; | |
285 | zpool_handle_t *zph; | |
286 | ||
da536844 | 287 | len = strcspn(zhp->zfs_name, "/@#") + 1; |
b128c09f BB |
288 | pool_name = zfs_alloc(zhp->zfs_hdl, len); |
289 | (void) strlcpy(pool_name, zhp->zfs_name, len); | |
290 | ||
291 | zph = zpool_find_handle(zhp, pool_name, len); | |
292 | if (zph == NULL) | |
293 | zph = zpool_add_handle(zhp, pool_name); | |
294 | ||
295 | free(pool_name); | |
296 | return (zph); | |
297 | } | |
298 | ||
299 | void | |
300 | zpool_free_handles(libzfs_handle_t *hdl) | |
301 | { | |
302 | zpool_handle_t *next, *zph = hdl->libzfs_pool_handles; | |
303 | ||
304 | while (zph != NULL) { | |
305 | next = zph->zpool_next; | |
306 | zpool_close(zph); | |
307 | zph = next; | |
308 | } | |
309 | hdl->libzfs_pool_handles = NULL; | |
310 | } | |
311 | ||
34dc7c2f BB |
312 | /* |
313 | * Utility function to gather stats (objset and zpl) for the given object. | |
314 | */ | |
315 | static int | |
fb5f0bc8 | 316 | get_stats_ioctl(zfs_handle_t *zhp, zfs_cmd_t *zc) |
34dc7c2f | 317 | { |
34dc7c2f | 318 | libzfs_handle_t *hdl = zhp->zfs_hdl; |
34dc7c2f | 319 | |
fb5f0bc8 | 320 | (void) strlcpy(zc->zc_name, zhp->zfs_name, sizeof (zc->zc_name)); |
34dc7c2f | 321 | |
fb5f0bc8 | 322 | while (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, zc) != 0) { |
34dc7c2f | 323 | if (errno == ENOMEM) { |
fb5f0bc8 | 324 | if (zcmd_expand_dst_nvlist(hdl, zc) != 0) { |
34dc7c2f BB |
325 | return (-1); |
326 | } | |
327 | } else { | |
34dc7c2f BB |
328 | return (-1); |
329 | } | |
330 | } | |
fb5f0bc8 BB |
331 | return (0); |
332 | } | |
34dc7c2f | 333 | |
428870ff BB |
334 | /* |
335 | * Utility function to get the received properties of the given object. | |
336 | */ | |
337 | static int | |
338 | get_recvd_props_ioctl(zfs_handle_t *zhp) | |
339 | { | |
340 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
341 | nvlist_t *recvdprops; | |
13fe0198 | 342 | zfs_cmd_t zc = {"\0"}; |
428870ff BB |
343 | int err; |
344 | ||
345 | if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) | |
346 | return (-1); | |
347 | ||
348 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); | |
349 | ||
350 | while (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_RECVD_PROPS, &zc) != 0) { | |
351 | if (errno == ENOMEM) { | |
352 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
353 | return (-1); | |
354 | } | |
355 | } else { | |
356 | zcmd_free_nvlists(&zc); | |
357 | return (-1); | |
358 | } | |
359 | } | |
360 | ||
361 | err = zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &recvdprops); | |
362 | zcmd_free_nvlists(&zc); | |
363 | if (err != 0) | |
364 | return (-1); | |
365 | ||
366 | nvlist_free(zhp->zfs_recvd_props); | |
367 | zhp->zfs_recvd_props = recvdprops; | |
368 | ||
369 | return (0); | |
370 | } | |
371 | ||
fb5f0bc8 BB |
372 | static int |
373 | put_stats_zhdl(zfs_handle_t *zhp, zfs_cmd_t *zc) | |
374 | { | |
375 | nvlist_t *allprops, *userprops; | |
34dc7c2f | 376 | |
fb5f0bc8 BB |
377 | zhp->zfs_dmustats = zc->zc_objset_stats; /* structure assignment */ |
378 | ||
379 | if (zcmd_read_dst_nvlist(zhp->zfs_hdl, zc, &allprops) != 0) { | |
34dc7c2f BB |
380 | return (-1); |
381 | } | |
382 | ||
9babb374 BB |
383 | /* |
384 | * XXX Why do we store the user props separately, in addition to | |
385 | * storing them in zfs_props? | |
386 | */ | |
34dc7c2f BB |
387 | if ((userprops = process_user_props(zhp, allprops)) == NULL) { |
388 | nvlist_free(allprops); | |
389 | return (-1); | |
390 | } | |
391 | ||
392 | nvlist_free(zhp->zfs_props); | |
393 | nvlist_free(zhp->zfs_user_props); | |
394 | ||
395 | zhp->zfs_props = allprops; | |
396 | zhp->zfs_user_props = userprops; | |
397 | ||
398 | return (0); | |
399 | } | |
400 | ||
fb5f0bc8 BB |
401 | static int |
402 | get_stats(zfs_handle_t *zhp) | |
403 | { | |
404 | int rc = 0; | |
13fe0198 | 405 | zfs_cmd_t zc = {"\0"}; |
fb5f0bc8 BB |
406 | |
407 | if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) | |
408 | return (-1); | |
409 | if (get_stats_ioctl(zhp, &zc) != 0) | |
410 | rc = -1; | |
411 | else if (put_stats_zhdl(zhp, &zc) != 0) | |
412 | rc = -1; | |
413 | zcmd_free_nvlists(&zc); | |
414 | return (rc); | |
415 | } | |
416 | ||
34dc7c2f BB |
417 | /* |
418 | * Refresh the properties currently stored in the handle. | |
419 | */ | |
420 | void | |
421 | zfs_refresh_properties(zfs_handle_t *zhp) | |
422 | { | |
423 | (void) get_stats(zhp); | |
424 | } | |
425 | ||
426 | /* | |
427 | * Makes a handle from the given dataset name. Used by zfs_open() and | |
428 | * zfs_iter_* to create child handles on the fly. | |
429 | */ | |
fb5f0bc8 BB |
430 | static int |
431 | make_dataset_handle_common(zfs_handle_t *zhp, zfs_cmd_t *zc) | |
34dc7c2f | 432 | { |
428870ff | 433 | if (put_stats_zhdl(zhp, zc) != 0) |
fb5f0bc8 | 434 | return (-1); |
34dc7c2f BB |
435 | |
436 | /* | |
437 | * We've managed to open the dataset and gather statistics. Determine | |
438 | * the high-level type. | |
439 | */ | |
440 | if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) | |
441 | zhp->zfs_head_type = ZFS_TYPE_VOLUME; | |
442 | else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS) | |
443 | zhp->zfs_head_type = ZFS_TYPE_FILESYSTEM; | |
ff998d80 | 444 | else if (zhp->zfs_dmustats.dds_type == DMU_OST_OTHER) |
ba6a2402 | 445 | return (-1); |
34dc7c2f BB |
446 | else |
447 | abort(); | |
448 | ||
449 | if (zhp->zfs_dmustats.dds_is_snapshot) | |
450 | zhp->zfs_type = ZFS_TYPE_SNAPSHOT; | |
451 | else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) | |
452 | zhp->zfs_type = ZFS_TYPE_VOLUME; | |
453 | else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS) | |
454 | zhp->zfs_type = ZFS_TYPE_FILESYSTEM; | |
455 | else | |
456 | abort(); /* we should never see any other types */ | |
457 | ||
428870ff BB |
458 | if ((zhp->zpool_hdl = zpool_handle(zhp)) == NULL) |
459 | return (-1); | |
460 | ||
fb5f0bc8 BB |
461 | return (0); |
462 | } | |
463 | ||
464 | zfs_handle_t * | |
465 | make_dataset_handle(libzfs_handle_t *hdl, const char *path) | |
466 | { | |
13fe0198 | 467 | zfs_cmd_t zc = {"\0"}; |
fb5f0bc8 | 468 | |
8111eb4a | 469 | zfs_handle_t *zhp = calloc(1, sizeof (zfs_handle_t)); |
fb5f0bc8 BB |
470 | |
471 | if (zhp == NULL) | |
472 | return (NULL); | |
473 | ||
474 | zhp->zfs_hdl = hdl; | |
475 | (void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name)); | |
476 | if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) { | |
477 | free(zhp); | |
478 | return (NULL); | |
479 | } | |
480 | if (get_stats_ioctl(zhp, &zc) == -1) { | |
481 | zcmd_free_nvlists(&zc); | |
482 | free(zhp); | |
483 | return (NULL); | |
484 | } | |
485 | if (make_dataset_handle_common(zhp, &zc) == -1) { | |
486 | free(zhp); | |
487 | zhp = NULL; | |
488 | } | |
489 | zcmd_free_nvlists(&zc); | |
490 | return (zhp); | |
491 | } | |
492 | ||
330d06f9 | 493 | zfs_handle_t * |
fb5f0bc8 BB |
494 | make_dataset_handle_zc(libzfs_handle_t *hdl, zfs_cmd_t *zc) |
495 | { | |
8111eb4a | 496 | zfs_handle_t *zhp = calloc(1, sizeof (zfs_handle_t)); |
fb5f0bc8 BB |
497 | |
498 | if (zhp == NULL) | |
499 | return (NULL); | |
500 | ||
501 | zhp->zfs_hdl = hdl; | |
502 | (void) strlcpy(zhp->zfs_name, zc->zc_name, sizeof (zhp->zfs_name)); | |
503 | if (make_dataset_handle_common(zhp, zc) == -1) { | |
504 | free(zhp); | |
505 | return (NULL); | |
506 | } | |
34dc7c2f BB |
507 | return (zhp); |
508 | } | |
509 | ||
330d06f9 | 510 | zfs_handle_t * |
0cee2406 PJD |
511 | make_dataset_simple_handle_zc(zfs_handle_t *pzhp, zfs_cmd_t *zc) |
512 | { | |
8111eb4a | 513 | zfs_handle_t *zhp = calloc(1, sizeof (zfs_handle_t)); |
0cee2406 PJD |
514 | |
515 | if (zhp == NULL) | |
516 | return (NULL); | |
517 | ||
518 | zhp->zfs_hdl = pzhp->zfs_hdl; | |
519 | (void) strlcpy(zhp->zfs_name, zc->zc_name, sizeof (zhp->zfs_name)); | |
520 | zhp->zfs_head_type = pzhp->zfs_type; | |
521 | zhp->zfs_type = ZFS_TYPE_SNAPSHOT; | |
522 | zhp->zpool_hdl = zpool_handle(zhp); | |
523 | ||
524 | return (zhp); | |
525 | } | |
526 | ||
330d06f9 MA |
527 | zfs_handle_t * |
528 | zfs_handle_dup(zfs_handle_t *zhp_orig) | |
529 | { | |
8111eb4a | 530 | zfs_handle_t *zhp = calloc(1, sizeof (zfs_handle_t)); |
330d06f9 MA |
531 | |
532 | if (zhp == NULL) | |
533 | return (NULL); | |
534 | ||
535 | zhp->zfs_hdl = zhp_orig->zfs_hdl; | |
536 | zhp->zpool_hdl = zhp_orig->zpool_hdl; | |
537 | (void) strlcpy(zhp->zfs_name, zhp_orig->zfs_name, | |
538 | sizeof (zhp->zfs_name)); | |
539 | zhp->zfs_type = zhp_orig->zfs_type; | |
540 | zhp->zfs_head_type = zhp_orig->zfs_head_type; | |
541 | zhp->zfs_dmustats = zhp_orig->zfs_dmustats; | |
542 | if (zhp_orig->zfs_props != NULL) { | |
543 | if (nvlist_dup(zhp_orig->zfs_props, &zhp->zfs_props, 0) != 0) { | |
544 | (void) no_memory(zhp->zfs_hdl); | |
545 | zfs_close(zhp); | |
546 | return (NULL); | |
547 | } | |
548 | } | |
549 | if (zhp_orig->zfs_user_props != NULL) { | |
550 | if (nvlist_dup(zhp_orig->zfs_user_props, | |
551 | &zhp->zfs_user_props, 0) != 0) { | |
552 | (void) no_memory(zhp->zfs_hdl); | |
553 | zfs_close(zhp); | |
554 | return (NULL); | |
555 | } | |
556 | } | |
557 | if (zhp_orig->zfs_recvd_props != NULL) { | |
558 | if (nvlist_dup(zhp_orig->zfs_recvd_props, | |
559 | &zhp->zfs_recvd_props, 0)) { | |
560 | (void) no_memory(zhp->zfs_hdl); | |
561 | zfs_close(zhp); | |
562 | return (NULL); | |
563 | } | |
564 | } | |
565 | zhp->zfs_mntcheck = zhp_orig->zfs_mntcheck; | |
566 | if (zhp_orig->zfs_mntopts != NULL) { | |
567 | zhp->zfs_mntopts = zfs_strdup(zhp_orig->zfs_hdl, | |
568 | zhp_orig->zfs_mntopts); | |
569 | } | |
570 | zhp->zfs_props_table = zhp_orig->zfs_props_table; | |
571 | return (zhp); | |
572 | } | |
573 | ||
da536844 MA |
574 | boolean_t |
575 | zfs_bookmark_exists(const char *path) | |
576 | { | |
577 | nvlist_t *bmarks; | |
578 | nvlist_t *props; | |
eca7b760 | 579 | char fsname[ZFS_MAX_DATASET_NAME_LEN]; |
da536844 MA |
580 | char *bmark_name; |
581 | char *pound; | |
582 | int err; | |
583 | boolean_t rv; | |
584 | ||
585 | ||
586 | (void) strlcpy(fsname, path, sizeof (fsname)); | |
587 | pound = strchr(fsname, '#'); | |
588 | if (pound == NULL) | |
589 | return (B_FALSE); | |
590 | ||
591 | *pound = '\0'; | |
592 | bmark_name = pound + 1; | |
593 | props = fnvlist_alloc(); | |
594 | err = lzc_get_bookmarks(fsname, props, &bmarks); | |
595 | nvlist_free(props); | |
596 | if (err != 0) { | |
597 | nvlist_free(bmarks); | |
598 | return (B_FALSE); | |
599 | } | |
600 | ||
601 | rv = nvlist_exists(bmarks, bmark_name); | |
602 | nvlist_free(bmarks); | |
603 | return (rv); | |
604 | } | |
605 | ||
606 | zfs_handle_t * | |
607 | make_bookmark_handle(zfs_handle_t *parent, const char *path, | |
608 | nvlist_t *bmark_props) | |
609 | { | |
8111eb4a | 610 | zfs_handle_t *zhp = calloc(1, sizeof (zfs_handle_t)); |
da536844 MA |
611 | |
612 | if (zhp == NULL) | |
613 | return (NULL); | |
614 | ||
615 | /* Fill in the name. */ | |
616 | zhp->zfs_hdl = parent->zfs_hdl; | |
617 | (void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name)); | |
618 | ||
619 | /* Set the property lists. */ | |
620 | if (nvlist_dup(bmark_props, &zhp->zfs_props, 0) != 0) { | |
621 | free(zhp); | |
622 | return (NULL); | |
623 | } | |
624 | ||
625 | /* Set the types. */ | |
626 | zhp->zfs_head_type = parent->zfs_head_type; | |
627 | zhp->zfs_type = ZFS_TYPE_BOOKMARK; | |
628 | ||
629 | if ((zhp->zpool_hdl = zpool_handle(zhp)) == NULL) { | |
630 | nvlist_free(zhp->zfs_props); | |
631 | free(zhp); | |
632 | return (NULL); | |
633 | } | |
634 | ||
635 | return (zhp); | |
636 | } | |
637 | ||
aeacdefe GM |
638 | struct zfs_open_bookmarks_cb_data { |
639 | const char *path; | |
640 | zfs_handle_t *zhp; | |
641 | }; | |
642 | ||
643 | static int | |
644 | zfs_open_bookmarks_cb(zfs_handle_t *zhp, void *data) | |
645 | { | |
646 | struct zfs_open_bookmarks_cb_data *dp = data; | |
647 | ||
648 | /* | |
649 | * Is it the one we are looking for? | |
650 | */ | |
651 | if (strcmp(dp->path, zfs_get_name(zhp)) == 0) { | |
652 | /* | |
653 | * We found it. Save it and let the caller know we are done. | |
654 | */ | |
655 | dp->zhp = zhp; | |
656 | return (EEXIST); | |
657 | } | |
658 | ||
659 | /* | |
660 | * Not found. Close the handle and ask for another one. | |
661 | */ | |
662 | zfs_close(zhp); | |
663 | return (0); | |
664 | } | |
665 | ||
34dc7c2f | 666 | /* |
aeacdefe | 667 | * Opens the given snapshot, bookmark, filesystem, or volume. The 'types' |
34dc7c2f BB |
668 | * argument is a mask of acceptable types. The function will print an |
669 | * appropriate error message and return NULL if it can't be opened. | |
670 | */ | |
671 | zfs_handle_t * | |
672 | zfs_open(libzfs_handle_t *hdl, const char *path, int types) | |
673 | { | |
674 | zfs_handle_t *zhp; | |
675 | char errbuf[1024]; | |
aeacdefe | 676 | char *bookp; |
34dc7c2f BB |
677 | |
678 | (void) snprintf(errbuf, sizeof (errbuf), | |
679 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), path); | |
680 | ||
681 | /* | |
682 | * Validate the name before we even try to open it. | |
683 | */ | |
aeacdefe | 684 | if (!zfs_validate_name(hdl, path, types, B_FALSE)) { |
34dc7c2f BB |
685 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); |
686 | return (NULL); | |
687 | } | |
688 | ||
689 | /* | |
aeacdefe | 690 | * Bookmarks needs to be handled separately. |
34dc7c2f | 691 | */ |
aeacdefe GM |
692 | bookp = strchr(path, '#'); |
693 | if (bookp == NULL) { | |
694 | /* | |
695 | * Try to get stats for the dataset, which will tell us if it | |
696 | * exists. | |
697 | */ | |
698 | errno = 0; | |
699 | if ((zhp = make_dataset_handle(hdl, path)) == NULL) { | |
700 | (void) zfs_standard_error(hdl, errno, errbuf); | |
701 | return (NULL); | |
702 | } | |
703 | } else { | |
704 | char dsname[ZFS_MAX_DATASET_NAME_LEN]; | |
705 | zfs_handle_t *pzhp; | |
706 | struct zfs_open_bookmarks_cb_data cb_data = {path, NULL}; | |
707 | ||
708 | /* | |
709 | * We need to cut out '#' and everything after '#' | |
710 | * to get the parent dataset name only. | |
711 | */ | |
712 | assert(bookp - path < sizeof (dsname)); | |
713 | (void) strncpy(dsname, path, bookp - path); | |
714 | dsname[bookp - path] = '\0'; | |
715 | ||
716 | /* | |
717 | * Create handle for the parent dataset. | |
718 | */ | |
719 | errno = 0; | |
720 | if ((pzhp = make_dataset_handle(hdl, dsname)) == NULL) { | |
721 | (void) zfs_standard_error(hdl, errno, errbuf); | |
722 | return (NULL); | |
723 | } | |
724 | ||
725 | /* | |
726 | * Iterate bookmarks to find the right one. | |
727 | */ | |
728 | errno = 0; | |
729 | if ((zfs_iter_bookmarks(pzhp, zfs_open_bookmarks_cb, | |
730 | &cb_data) == 0) && (cb_data.zhp == NULL)) { | |
731 | (void) zfs_error(hdl, EZFS_NOENT, errbuf); | |
732 | zfs_close(pzhp); | |
733 | return (NULL); | |
734 | } | |
735 | if (cb_data.zhp == NULL) { | |
736 | (void) zfs_standard_error(hdl, errno, errbuf); | |
737 | zfs_close(pzhp); | |
738 | return (NULL); | |
739 | } | |
740 | zhp = cb_data.zhp; | |
741 | ||
742 | /* | |
743 | * Cleanup. | |
744 | */ | |
745 | zfs_close(pzhp); | |
34dc7c2f BB |
746 | } |
747 | ||
748 | if (!(types & zhp->zfs_type)) { | |
749 | (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); | |
750 | zfs_close(zhp); | |
751 | return (NULL); | |
752 | } | |
753 | ||
754 | return (zhp); | |
755 | } | |
756 | ||
757 | /* | |
758 | * Release a ZFS handle. Nothing to do but free the associated memory. | |
759 | */ | |
760 | void | |
761 | zfs_close(zfs_handle_t *zhp) | |
762 | { | |
763 | if (zhp->zfs_mntopts) | |
764 | free(zhp->zfs_mntopts); | |
765 | nvlist_free(zhp->zfs_props); | |
766 | nvlist_free(zhp->zfs_user_props); | |
428870ff | 767 | nvlist_free(zhp->zfs_recvd_props); |
34dc7c2f BB |
768 | free(zhp); |
769 | } | |
770 | ||
fb5f0bc8 BB |
771 | typedef struct mnttab_node { |
772 | struct mnttab mtn_mt; | |
773 | avl_node_t mtn_node; | |
774 | } mnttab_node_t; | |
775 | ||
776 | static int | |
777 | libzfs_mnttab_cache_compare(const void *arg1, const void *arg2) | |
778 | { | |
ee36c709 GN |
779 | const mnttab_node_t *mtn1 = (const mnttab_node_t *)arg1; |
780 | const mnttab_node_t *mtn2 = (const mnttab_node_t *)arg2; | |
fb5f0bc8 BB |
781 | int rv; |
782 | ||
783 | rv = strcmp(mtn1->mtn_mt.mnt_special, mtn2->mtn_mt.mnt_special); | |
784 | ||
ee36c709 | 785 | return (AVL_ISIGN(rv)); |
fb5f0bc8 BB |
786 | } |
787 | ||
788 | void | |
789 | libzfs_mnttab_init(libzfs_handle_t *hdl) | |
790 | { | |
fb5f0bc8 BB |
791 | assert(avl_numnodes(&hdl->libzfs_mnttab_cache) == 0); |
792 | avl_create(&hdl->libzfs_mnttab_cache, libzfs_mnttab_cache_compare, | |
793 | sizeof (mnttab_node_t), offsetof(mnttab_node_t, mtn_node)); | |
9babb374 BB |
794 | } |
795 | ||
fb5c53ea | 796 | int |
9babb374 BB |
797 | libzfs_mnttab_update(libzfs_handle_t *hdl) |
798 | { | |
799 | struct mnttab entry; | |
fb5f0bc8 | 800 | |
fb5c53ea JL |
801 | /* Reopen MNTTAB to prevent reading stale data from open file */ |
802 | if (freopen(MNTTAB, "r", hdl->libzfs_mnttab) == NULL) | |
803 | return (ENOENT); | |
804 | ||
fb5f0bc8 BB |
805 | while (getmntent(hdl->libzfs_mnttab, &entry) == 0) { |
806 | mnttab_node_t *mtn; | |
74130450 | 807 | avl_index_t where; |
fb5f0bc8 BB |
808 | |
809 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) | |
810 | continue; | |
74130450 | 811 | |
fb5f0bc8 BB |
812 | mtn = zfs_alloc(hdl, sizeof (mnttab_node_t)); |
813 | mtn->mtn_mt.mnt_special = zfs_strdup(hdl, entry.mnt_special); | |
814 | mtn->mtn_mt.mnt_mountp = zfs_strdup(hdl, entry.mnt_mountp); | |
815 | mtn->mtn_mt.mnt_fstype = zfs_strdup(hdl, entry.mnt_fstype); | |
816 | mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, entry.mnt_mntopts); | |
74130450 BB |
817 | |
818 | /* Exclude duplicate mounts */ | |
819 | if (avl_find(&hdl->libzfs_mnttab_cache, mtn, &where) != NULL) { | |
820 | free(mtn->mtn_mt.mnt_special); | |
821 | free(mtn->mtn_mt.mnt_mountp); | |
822 | free(mtn->mtn_mt.mnt_fstype); | |
823 | free(mtn->mtn_mt.mnt_mntopts); | |
824 | free(mtn); | |
825 | continue; | |
826 | } | |
827 | ||
fb5f0bc8 BB |
828 | avl_add(&hdl->libzfs_mnttab_cache, mtn); |
829 | } | |
fb5c53ea JL |
830 | |
831 | return (0); | |
fb5f0bc8 BB |
832 | } |
833 | ||
834 | void | |
835 | libzfs_mnttab_fini(libzfs_handle_t *hdl) | |
836 | { | |
837 | void *cookie = NULL; | |
838 | mnttab_node_t *mtn; | |
839 | ||
23d70cde GM |
840 | while ((mtn = avl_destroy_nodes(&hdl->libzfs_mnttab_cache, &cookie)) |
841 | != NULL) { | |
fb5f0bc8 BB |
842 | free(mtn->mtn_mt.mnt_special); |
843 | free(mtn->mtn_mt.mnt_mountp); | |
844 | free(mtn->mtn_mt.mnt_fstype); | |
845 | free(mtn->mtn_mt.mnt_mntopts); | |
846 | free(mtn); | |
847 | } | |
848 | avl_destroy(&hdl->libzfs_mnttab_cache); | |
849 | } | |
850 | ||
9babb374 BB |
851 | void |
852 | libzfs_mnttab_cache(libzfs_handle_t *hdl, boolean_t enable) | |
853 | { | |
854 | hdl->libzfs_mnttab_enable = enable; | |
855 | } | |
856 | ||
fb5f0bc8 BB |
857 | int |
858 | libzfs_mnttab_find(libzfs_handle_t *hdl, const char *fsname, | |
859 | struct mnttab *entry) | |
860 | { | |
861 | mnttab_node_t find; | |
862 | mnttab_node_t *mtn; | |
fb5c53ea | 863 | int error; |
fb5f0bc8 | 864 | |
9babb374 BB |
865 | if (!hdl->libzfs_mnttab_enable) { |
866 | struct mnttab srch = { 0 }; | |
867 | ||
868 | if (avl_numnodes(&hdl->libzfs_mnttab_cache)) | |
869 | libzfs_mnttab_fini(hdl); | |
fb5c53ea JL |
870 | |
871 | /* Reopen MNTTAB to prevent reading stale data from open file */ | |
872 | if (freopen(MNTTAB, "r", hdl->libzfs_mnttab) == NULL) | |
873 | return (ENOENT); | |
874 | ||
9babb374 BB |
875 | srch.mnt_special = (char *)fsname; |
876 | srch.mnt_fstype = MNTTYPE_ZFS; | |
877 | if (getmntany(hdl->libzfs_mnttab, entry, &srch) == 0) | |
878 | return (0); | |
879 | else | |
880 | return (ENOENT); | |
881 | } | |
882 | ||
fb5f0bc8 | 883 | if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0) |
fb5c53ea JL |
884 | if ((error = libzfs_mnttab_update(hdl)) != 0) |
885 | return (error); | |
fb5f0bc8 BB |
886 | |
887 | find.mtn_mt.mnt_special = (char *)fsname; | |
888 | mtn = avl_find(&hdl->libzfs_mnttab_cache, &find, NULL); | |
889 | if (mtn) { | |
890 | *entry = mtn->mtn_mt; | |
891 | return (0); | |
892 | } | |
893 | return (ENOENT); | |
894 | } | |
895 | ||
896 | void | |
897 | libzfs_mnttab_add(libzfs_handle_t *hdl, const char *special, | |
898 | const char *mountp, const char *mntopts) | |
899 | { | |
900 | mnttab_node_t *mtn; | |
901 | ||
902 | if (avl_numnodes(&hdl->libzfs_mnttab_cache) == 0) | |
903 | return; | |
904 | mtn = zfs_alloc(hdl, sizeof (mnttab_node_t)); | |
905 | mtn->mtn_mt.mnt_special = zfs_strdup(hdl, special); | |
906 | mtn->mtn_mt.mnt_mountp = zfs_strdup(hdl, mountp); | |
907 | mtn->mtn_mt.mnt_fstype = zfs_strdup(hdl, MNTTYPE_ZFS); | |
908 | mtn->mtn_mt.mnt_mntopts = zfs_strdup(hdl, mntopts); | |
909 | avl_add(&hdl->libzfs_mnttab_cache, mtn); | |
910 | } | |
911 | ||
912 | void | |
913 | libzfs_mnttab_remove(libzfs_handle_t *hdl, const char *fsname) | |
914 | { | |
915 | mnttab_node_t find; | |
916 | mnttab_node_t *ret; | |
917 | ||
918 | find.mtn_mt.mnt_special = (char *)fsname; | |
23d70cde GM |
919 | if ((ret = avl_find(&hdl->libzfs_mnttab_cache, (void *)&find, NULL)) |
920 | != NULL) { | |
fb5f0bc8 BB |
921 | avl_remove(&hdl->libzfs_mnttab_cache, ret); |
922 | free(ret->mtn_mt.mnt_special); | |
923 | free(ret->mtn_mt.mnt_mountp); | |
924 | free(ret->mtn_mt.mnt_fstype); | |
925 | free(ret->mtn_mt.mnt_mntopts); | |
926 | free(ret); | |
927 | } | |
928 | } | |
929 | ||
34dc7c2f BB |
930 | int |
931 | zfs_spa_version(zfs_handle_t *zhp, int *spa_version) | |
932 | { | |
b128c09f | 933 | zpool_handle_t *zpool_handle = zhp->zpool_hdl; |
34dc7c2f | 934 | |
34dc7c2f BB |
935 | if (zpool_handle == NULL) |
936 | return (-1); | |
937 | ||
938 | *spa_version = zpool_get_prop_int(zpool_handle, | |
939 | ZPOOL_PROP_VERSION, NULL); | |
34dc7c2f BB |
940 | return (0); |
941 | } | |
942 | ||
943 | /* | |
944 | * The choice of reservation property depends on the SPA version. | |
945 | */ | |
946 | static int | |
947 | zfs_which_resv_prop(zfs_handle_t *zhp, zfs_prop_t *resv_prop) | |
948 | { | |
949 | int spa_version; | |
950 | ||
951 | if (zfs_spa_version(zhp, &spa_version) < 0) | |
952 | return (-1); | |
953 | ||
954 | if (spa_version >= SPA_VERSION_REFRESERVATION) | |
955 | *resv_prop = ZFS_PROP_REFRESERVATION; | |
956 | else | |
957 | *resv_prop = ZFS_PROP_RESERVATION; | |
958 | ||
959 | return (0); | |
960 | } | |
961 | ||
962 | /* | |
963 | * Given an nvlist of properties to set, validates that they are correct, and | |
964 | * parses any numeric properties (index, boolean, etc) if they are specified as | |
965 | * strings. | |
966 | */ | |
b128c09f BB |
967 | nvlist_t * |
968 | zfs_valid_proplist(libzfs_handle_t *hdl, zfs_type_t type, nvlist_t *nvl, | |
82f6f6e6 | 969 | uint64_t zoned, zfs_handle_t *zhp, zpool_handle_t *zpool_hdl, |
b5256303 | 970 | boolean_t key_params_ok, const char *errbuf) |
34dc7c2f BB |
971 | { |
972 | nvpair_t *elem; | |
973 | uint64_t intval; | |
974 | char *strval; | |
975 | zfs_prop_t prop; | |
976 | nvlist_t *ret; | |
977 | int chosen_normal = -1; | |
978 | int chosen_utf = -1; | |
979 | ||
34dc7c2f BB |
980 | if (nvlist_alloc(&ret, NV_UNIQUE_NAME, 0) != 0) { |
981 | (void) no_memory(hdl); | |
982 | return (NULL); | |
983 | } | |
984 | ||
9babb374 BB |
985 | /* |
986 | * Make sure this property is valid and applies to this type. | |
987 | */ | |
988 | ||
34dc7c2f BB |
989 | elem = NULL; |
990 | while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
991 | const char *propname = nvpair_name(elem); | |
992 | ||
9babb374 BB |
993 | prop = zfs_name_to_prop(propname); |
994 | if (prop == ZPROP_INVAL && zfs_prop_user(propname)) { | |
34dc7c2f | 995 | /* |
9babb374 | 996 | * This is a user property: make sure it's a |
34dc7c2f BB |
997 | * string, and that it's less than ZAP_MAXNAMELEN. |
998 | */ | |
999 | if (nvpair_type(elem) != DATA_TYPE_STRING) { | |
1000 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1001 | "'%s' must be a string"), propname); | |
1002 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1003 | goto error; | |
1004 | } | |
1005 | ||
1006 | if (strlen(nvpair_name(elem)) >= ZAP_MAXNAMELEN) { | |
1007 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1008 | "property name '%s' is too long"), | |
1009 | propname); | |
1010 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1011 | goto error; | |
1012 | } | |
1013 | ||
1014 | (void) nvpair_value_string(elem, &strval); | |
1015 | if (nvlist_add_string(ret, propname, strval) != 0) { | |
1016 | (void) no_memory(hdl); | |
1017 | goto error; | |
1018 | } | |
1019 | continue; | |
1020 | } | |
1021 | ||
9babb374 BB |
1022 | /* |
1023 | * Currently, only user properties can be modified on | |
1024 | * snapshots. | |
1025 | */ | |
b128c09f BB |
1026 | if (type == ZFS_TYPE_SNAPSHOT) { |
1027 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1028 | "this property can not be modified for snapshots")); | |
1029 | (void) zfs_error(hdl, EZFS_PROPTYPE, errbuf); | |
1030 | goto error; | |
1031 | } | |
1032 | ||
9babb374 BB |
1033 | if (prop == ZPROP_INVAL && zfs_prop_userquota(propname)) { |
1034 | zfs_userquota_prop_t uqtype; | |
21a4f5cc | 1035 | char *newpropname = NULL; |
9babb374 BB |
1036 | char domain[128]; |
1037 | uint64_t rid; | |
1038 | uint64_t valary[3]; | |
21a4f5cc | 1039 | int rc; |
9babb374 BB |
1040 | |
1041 | if (userquota_propname_decode(propname, zoned, | |
1042 | &uqtype, domain, sizeof (domain), &rid) != 0) { | |
1043 | zfs_error_aux(hdl, | |
1044 | dgettext(TEXT_DOMAIN, | |
1045 | "'%s' has an invalid user/group name"), | |
1046 | propname); | |
1047 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1048 | goto error; | |
1049 | } | |
1050 | ||
1051 | if (uqtype != ZFS_PROP_USERQUOTA && | |
1de321e6 JX |
1052 | uqtype != ZFS_PROP_GROUPQUOTA && |
1053 | uqtype != ZFS_PROP_USEROBJQUOTA && | |
9c5167d1 NF |
1054 | uqtype != ZFS_PROP_GROUPOBJQUOTA && |
1055 | uqtype != ZFS_PROP_PROJECTQUOTA && | |
1056 | uqtype != ZFS_PROP_PROJECTOBJQUOTA) { | |
9babb374 BB |
1057 | zfs_error_aux(hdl, |
1058 | dgettext(TEXT_DOMAIN, "'%s' is readonly"), | |
1059 | propname); | |
1060 | (void) zfs_error(hdl, EZFS_PROPREADONLY, | |
1061 | errbuf); | |
1062 | goto error; | |
1063 | } | |
1064 | ||
1065 | if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
1066 | (void) nvpair_value_string(elem, &strval); | |
1067 | if (strcmp(strval, "none") == 0) { | |
1068 | intval = 0; | |
1069 | } else if (zfs_nicestrtonum(hdl, | |
1070 | strval, &intval) != 0) { | |
1071 | (void) zfs_error(hdl, | |
1072 | EZFS_BADPROP, errbuf); | |
1073 | goto error; | |
1074 | } | |
1075 | } else if (nvpair_type(elem) == | |
1076 | DATA_TYPE_UINT64) { | |
1077 | (void) nvpair_value_uint64(elem, &intval); | |
1078 | if (intval == 0) { | |
1079 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1080 | "use 'none' to disable " | |
9c5167d1 | 1081 | "{user|group|project}quota")); |
9babb374 BB |
1082 | goto error; |
1083 | } | |
1084 | } else { | |
1085 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1086 | "'%s' must be a number"), propname); | |
1087 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1088 | goto error; | |
1089 | } | |
1090 | ||
428870ff BB |
1091 | /* |
1092 | * Encode the prop name as | |
1093 | * userquota@<hex-rid>-domain, to make it easy | |
1094 | * for the kernel to decode. | |
1095 | */ | |
21a4f5cc TH |
1096 | rc = asprintf(&newpropname, "%s%llx-%s", |
1097 | zfs_userquota_prop_prefixes[uqtype], | |
428870ff | 1098 | (longlong_t)rid, domain); |
21a4f5cc TH |
1099 | if (rc == -1 || newpropname == NULL) { |
1100 | (void) no_memory(hdl); | |
1101 | goto error; | |
1102 | } | |
1103 | ||
9babb374 BB |
1104 | valary[0] = uqtype; |
1105 | valary[1] = rid; | |
1106 | valary[2] = intval; | |
1107 | if (nvlist_add_uint64_array(ret, newpropname, | |
1108 | valary, 3) != 0) { | |
21a4f5cc | 1109 | free(newpropname); |
9babb374 BB |
1110 | (void) no_memory(hdl); |
1111 | goto error; | |
1112 | } | |
21a4f5cc | 1113 | free(newpropname); |
9babb374 | 1114 | continue; |
330d06f9 MA |
1115 | } else if (prop == ZPROP_INVAL && zfs_prop_written(propname)) { |
1116 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1117 | "'%s' is readonly"), | |
1118 | propname); | |
1119 | (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); | |
1120 | goto error; | |
9babb374 BB |
1121 | } |
1122 | ||
1123 | if (prop == ZPROP_INVAL) { | |
1124 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1125 | "invalid property '%s'"), propname); | |
1126 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1127 | goto error; | |
1128 | } | |
1129 | ||
962d5242 | 1130 | if (!zfs_prop_valid_for_type(prop, type, B_FALSE)) { |
34dc7c2f BB |
1131 | zfs_error_aux(hdl, |
1132 | dgettext(TEXT_DOMAIN, "'%s' does not " | |
1133 | "apply to datasets of this type"), propname); | |
1134 | (void) zfs_error(hdl, EZFS_PROPTYPE, errbuf); | |
1135 | goto error; | |
1136 | } | |
1137 | ||
1138 | if (zfs_prop_readonly(prop) && | |
b5256303 TC |
1139 | !(zfs_prop_setonce(prop) && zhp == NULL) && |
1140 | !(zfs_prop_encryption_key_param(prop) && key_params_ok)) { | |
34dc7c2f BB |
1141 | zfs_error_aux(hdl, |
1142 | dgettext(TEXT_DOMAIN, "'%s' is readonly"), | |
1143 | propname); | |
1144 | (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); | |
1145 | goto error; | |
1146 | } | |
1147 | ||
1148 | if (zprop_parse_value(hdl, elem, prop, type, ret, | |
1149 | &strval, &intval, errbuf) != 0) | |
1150 | goto error; | |
1151 | ||
1152 | /* | |
1153 | * Perform some additional checks for specific properties. | |
1154 | */ | |
1155 | switch (prop) { | |
1156 | case ZFS_PROP_VERSION: | |
1157 | { | |
1158 | int version; | |
1159 | ||
1160 | if (zhp == NULL) | |
1161 | break; | |
1162 | version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); | |
1163 | if (intval < version) { | |
1164 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1165 | "Can not downgrade; already at version %u"), | |
1166 | version); | |
1167 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1168 | goto error; | |
1169 | } | |
1170 | break; | |
1171 | } | |
1172 | ||
34dc7c2f | 1173 | case ZFS_PROP_VOLBLOCKSIZE: |
f1512ee6 MA |
1174 | case ZFS_PROP_RECORDSIZE: |
1175 | { | |
1176 | int maxbs = SPA_MAXBLOCKSIZE; | |
4cb7b9c5 BB |
1177 | char buf[64]; |
1178 | ||
82f6f6e6 JS |
1179 | if (zpool_hdl != NULL) { |
1180 | maxbs = zpool_get_prop_int(zpool_hdl, | |
f1512ee6 MA |
1181 | ZPOOL_PROP_MAXBLOCKSIZE, NULL); |
1182 | } | |
1183 | /* | |
1184 | * The value must be a power of two between | |
1185 | * SPA_MINBLOCKSIZE and maxbs. | |
1186 | */ | |
34dc7c2f | 1187 | if (intval < SPA_MINBLOCKSIZE || |
f1512ee6 | 1188 | intval > maxbs || !ISP2(intval)) { |
e7fbeb60 | 1189 | zfs_nicebytes(maxbs, buf, sizeof (buf)); |
34dc7c2f | 1190 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
f1512ee6 | 1191 | "'%s' must be power of 2 from 512B " |
4cb7b9c5 | 1192 | "to %s"), propname, buf); |
34dc7c2f BB |
1193 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
1194 | goto error; | |
1195 | } | |
1196 | break; | |
f1512ee6 | 1197 | } |
428870ff BB |
1198 | case ZFS_PROP_MLSLABEL: |
1199 | { | |
d2c15e84 | 1200 | #ifdef HAVE_MLSLABEL |
428870ff BB |
1201 | /* |
1202 | * Verify the mlslabel string and convert to | |
1203 | * internal hex label string. | |
1204 | */ | |
1205 | ||
1206 | m_label_t *new_sl; | |
1207 | char *hex = NULL; /* internal label string */ | |
1208 | ||
1209 | /* Default value is already OK. */ | |
1210 | if (strcasecmp(strval, ZFS_MLSLABEL_DEFAULT) == 0) | |
1211 | break; | |
1212 | ||
1213 | /* Verify the label can be converted to binary form */ | |
1214 | if (((new_sl = m_label_alloc(MAC_LABEL)) == NULL) || | |
1215 | (str_to_label(strval, &new_sl, MAC_LABEL, | |
1216 | L_NO_CORRECTION, NULL) == -1)) { | |
1217 | goto badlabel; | |
34dc7c2f BB |
1218 | } |
1219 | ||
428870ff BB |
1220 | /* Now translate to hex internal label string */ |
1221 | if (label_to_str(new_sl, &hex, M_INTERNAL, | |
1222 | DEF_NAMES) != 0) { | |
1223 | if (hex) | |
1224 | free(hex); | |
1225 | goto badlabel; | |
1226 | } | |
1227 | m_label_free(new_sl); | |
1228 | ||
1229 | /* If string is already in internal form, we're done. */ | |
1230 | if (strcmp(strval, hex) == 0) { | |
1231 | free(hex); | |
1232 | break; | |
1233 | } | |
1234 | ||
1235 | /* Replace the label string with the internal form. */ | |
1236 | (void) nvlist_remove(ret, zfs_prop_to_name(prop), | |
1237 | DATA_TYPE_STRING); | |
1238 | verify(nvlist_add_string(ret, zfs_prop_to_name(prop), | |
1239 | hex) == 0); | |
1240 | free(hex); | |
1241 | ||
34dc7c2f BB |
1242 | break; |
1243 | ||
428870ff BB |
1244 | badlabel: |
1245 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1246 | "invalid mlslabel '%s'"), strval); | |
1247 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1248 | m_label_free(new_sl); /* OK if null */ | |
1249 | goto error; | |
d2c15e84 BB |
1250 | #else |
1251 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1252 | "mlslabels are unsupported")); | |
1253 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1254 | goto error; | |
1255 | #endif /* HAVE_MLSLABEL */ | |
428870ff BB |
1256 | } |
1257 | ||
34dc7c2f BB |
1258 | case ZFS_PROP_MOUNTPOINT: |
1259 | { | |
1260 | namecheck_err_t why; | |
1261 | ||
1262 | if (strcmp(strval, ZFS_MOUNTPOINT_NONE) == 0 || | |
1263 | strcmp(strval, ZFS_MOUNTPOINT_LEGACY) == 0) | |
1264 | break; | |
1265 | ||
1266 | if (mountpoint_namecheck(strval, &why)) { | |
1267 | switch (why) { | |
1268 | case NAME_ERR_LEADING_SLASH: | |
1269 | zfs_error_aux(hdl, | |
1270 | dgettext(TEXT_DOMAIN, | |
1271 | "'%s' must be an absolute path, " | |
1272 | "'none', or 'legacy'"), propname); | |
1273 | break; | |
1274 | case NAME_ERR_TOOLONG: | |
1275 | zfs_error_aux(hdl, | |
1276 | dgettext(TEXT_DOMAIN, | |
1277 | "component of '%s' is too long"), | |
1278 | propname); | |
1279 | break; | |
23d70cde | 1280 | |
e75c13c3 | 1281 | default: |
23d70cde GM |
1282 | zfs_error_aux(hdl, |
1283 | dgettext(TEXT_DOMAIN, | |
1284 | "(%d) not defined"), | |
1285 | why); | |
e75c13c3 | 1286 | break; |
34dc7c2f BB |
1287 | } |
1288 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1289 | goto error; | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | /*FALLTHRU*/ | |
1294 | ||
1295 | case ZFS_PROP_SHARESMB: | |
1296 | case ZFS_PROP_SHARENFS: | |
1297 | /* | |
1298 | * For the mountpoint and sharenfs or sharesmb | |
1299 | * properties, check if it can be set in a | |
1300 | * global/non-global zone based on | |
1301 | * the zoned property value: | |
1302 | * | |
1303 | * global zone non-global zone | |
1304 | * -------------------------------------------------- | |
1305 | * zoned=on mountpoint (no) mountpoint (yes) | |
1306 | * sharenfs (no) sharenfs (no) | |
1307 | * sharesmb (no) sharesmb (no) | |
1308 | * | |
1309 | * zoned=off mountpoint (yes) N/A | |
1310 | * sharenfs (yes) | |
1311 | * sharesmb (yes) | |
1312 | */ | |
1313 | if (zoned) { | |
1314 | if (getzoneid() == GLOBAL_ZONEID) { | |
1315 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1316 | "'%s' cannot be set on " | |
1317 | "dataset in a non-global zone"), | |
1318 | propname); | |
1319 | (void) zfs_error(hdl, EZFS_ZONED, | |
1320 | errbuf); | |
1321 | goto error; | |
1322 | } else if (prop == ZFS_PROP_SHARENFS || | |
1323 | prop == ZFS_PROP_SHARESMB) { | |
1324 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1325 | "'%s' cannot be set in " | |
1326 | "a non-global zone"), propname); | |
1327 | (void) zfs_error(hdl, EZFS_ZONED, | |
1328 | errbuf); | |
1329 | goto error; | |
1330 | } | |
1331 | } else if (getzoneid() != GLOBAL_ZONEID) { | |
1332 | /* | |
1333 | * If zoned property is 'off', this must be in | |
9babb374 | 1334 | * a global zone. If not, something is wrong. |
34dc7c2f BB |
1335 | */ |
1336 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1337 | "'%s' cannot be set while dataset " | |
1338 | "'zoned' property is set"), propname); | |
1339 | (void) zfs_error(hdl, EZFS_ZONED, errbuf); | |
1340 | goto error; | |
1341 | } | |
1342 | ||
1343 | /* | |
1344 | * At this point, it is legitimate to set the | |
1345 | * property. Now we want to make sure that the | |
1346 | * property value is valid if it is sharenfs. | |
1347 | */ | |
1348 | if ((prop == ZFS_PROP_SHARENFS || | |
1349 | prop == ZFS_PROP_SHARESMB) && | |
1350 | strcmp(strval, "on") != 0 && | |
1351 | strcmp(strval, "off") != 0) { | |
1352 | zfs_share_proto_t proto; | |
1353 | ||
1354 | if (prop == ZFS_PROP_SHARESMB) | |
1355 | proto = PROTO_SMB; | |
1356 | else | |
1357 | proto = PROTO_NFS; | |
1358 | ||
1359 | /* | |
1360 | * Must be an valid sharing protocol | |
1361 | * option string so init the libshare | |
1362 | * in order to enable the parser and | |
1363 | * then parse the options. We use the | |
1364 | * control API since we don't care about | |
1365 | * the current configuration and don't | |
1366 | * want the overhead of loading it | |
1367 | * until we actually do something. | |
1368 | */ | |
1369 | ||
1370 | if (zfs_init_libshare(hdl, | |
1371 | SA_INIT_CONTROL_API) != SA_OK) { | |
1372 | /* | |
1373 | * An error occurred so we can't do | |
1374 | * anything | |
1375 | */ | |
1376 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1377 | "'%s' cannot be set: problem " | |
1378 | "in share initialization"), | |
1379 | propname); | |
1380 | (void) zfs_error(hdl, EZFS_BADPROP, | |
1381 | errbuf); | |
1382 | goto error; | |
1383 | } | |
1384 | ||
1385 | if (zfs_parse_options(strval, proto) != SA_OK) { | |
1386 | /* | |
1387 | * There was an error in parsing so | |
1388 | * deal with it by issuing an error | |
1389 | * message and leaving after | |
1390 | * uninitializing the the libshare | |
1391 | * interface. | |
1392 | */ | |
1393 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1394 | "'%s' cannot be set to invalid " | |
1395 | "options"), propname); | |
1396 | (void) zfs_error(hdl, EZFS_BADPROP, | |
1397 | errbuf); | |
1398 | zfs_uninit_libshare(hdl); | |
1399 | goto error; | |
1400 | } | |
1401 | zfs_uninit_libshare(hdl); | |
1402 | } | |
1403 | ||
1404 | break; | |
23d70cde | 1405 | |
b5256303 TC |
1406 | case ZFS_PROP_KEYLOCATION: |
1407 | if (!zfs_prop_valid_keylocation(strval, B_FALSE)) { | |
1408 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1409 | "invalid keylocation")); | |
1410 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1411 | goto error; | |
1412 | } | |
1413 | ||
1414 | if (zhp != NULL) { | |
1415 | uint64_t crypt = | |
1416 | zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION); | |
1417 | ||
1418 | if (crypt == ZIO_CRYPT_OFF && | |
1419 | strcmp(strval, "none") != 0) { | |
1420 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
74df0c5e TC |
1421 | "keylocation must be 'none' " |
1422 | "for unencrypted datasets")); | |
b5256303 TC |
1423 | (void) zfs_error(hdl, EZFS_BADPROP, |
1424 | errbuf); | |
1425 | goto error; | |
1426 | } else if (crypt != ZIO_CRYPT_OFF && | |
1427 | strcmp(strval, "none") == 0) { | |
1428 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
74df0c5e TC |
1429 | "keylocation must not be 'none' " |
1430 | "for encrypted datasets")); | |
b5256303 TC |
1431 | (void) zfs_error(hdl, EZFS_BADPROP, |
1432 | errbuf); | |
1433 | goto error; | |
1434 | } | |
1435 | } | |
1436 | break; | |
1437 | ||
1438 | case ZFS_PROP_PBKDF2_ITERS: | |
1439 | if (intval < MIN_PBKDF2_ITERATIONS) { | |
1440 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1441 | "minimum pbkdf2 iterations is %u"), | |
1442 | MIN_PBKDF2_ITERATIONS); | |
1443 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1444 | goto error; | |
1445 | } | |
1446 | break; | |
1447 | ||
34dc7c2f BB |
1448 | case ZFS_PROP_UTF8ONLY: |
1449 | chosen_utf = (int)intval; | |
1450 | break; | |
23d70cde | 1451 | |
34dc7c2f BB |
1452 | case ZFS_PROP_NORMALIZE: |
1453 | chosen_normal = (int)intval; | |
1454 | break; | |
23d70cde | 1455 | |
e75c13c3 BB |
1456 | default: |
1457 | break; | |
34dc7c2f BB |
1458 | } |
1459 | ||
1460 | /* | |
1461 | * For changes to existing volumes, we have some additional | |
1462 | * checks to enforce. | |
1463 | */ | |
1464 | if (type == ZFS_TYPE_VOLUME && zhp != NULL) { | |
34dc7c2f BB |
1465 | uint64_t blocksize = zfs_prop_get_int(zhp, |
1466 | ZFS_PROP_VOLBLOCKSIZE); | |
1467 | char buf[64]; | |
1468 | ||
1469 | switch (prop) { | |
34dc7c2f BB |
1470 | case ZFS_PROP_VOLSIZE: |
1471 | if (intval % blocksize != 0) { | |
e7fbeb60 | 1472 | zfs_nicebytes(blocksize, buf, |
34dc7c2f BB |
1473 | sizeof (buf)); |
1474 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1475 | "'%s' must be a multiple of " | |
1476 | "volume block size (%s)"), | |
1477 | propname, buf); | |
1478 | (void) zfs_error(hdl, EZFS_BADPROP, | |
1479 | errbuf); | |
1480 | goto error; | |
1481 | } | |
1482 | ||
1483 | if (intval == 0) { | |
1484 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1485 | "'%s' cannot be zero"), | |
1486 | propname); | |
1487 | (void) zfs_error(hdl, EZFS_BADPROP, | |
1488 | errbuf); | |
1489 | goto error; | |
1490 | } | |
1491 | break; | |
23d70cde | 1492 | |
e75c13c3 BB |
1493 | default: |
1494 | break; | |
34dc7c2f BB |
1495 | } |
1496 | } | |
b5256303 TC |
1497 | |
1498 | /* check encryption properties */ | |
1499 | if (zhp != NULL) { | |
1500 | int64_t crypt = zfs_prop_get_int(zhp, | |
1501 | ZFS_PROP_ENCRYPTION); | |
1502 | ||
1503 | switch (prop) { | |
1504 | case ZFS_PROP_COPIES: | |
1505 | if (crypt != ZIO_CRYPT_OFF && intval > 2) { | |
1506 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1507 | "encrypted datasets cannot have " | |
1508 | "3 copies")); | |
1509 | (void) zfs_error(hdl, EZFS_BADPROP, | |
1510 | errbuf); | |
1511 | goto error; | |
1512 | } | |
1513 | break; | |
1514 | default: | |
1515 | break; | |
1516 | } | |
1517 | } | |
34dc7c2f BB |
1518 | } |
1519 | ||
1520 | /* | |
1521 | * If normalization was chosen, but no UTF8 choice was made, | |
1522 | * enforce rejection of non-UTF8 names. | |
1523 | * | |
1524 | * If normalization was chosen, but rejecting non-UTF8 names | |
1525 | * was explicitly not chosen, it is an error. | |
1526 | */ | |
1527 | if (chosen_normal > 0 && chosen_utf < 0) { | |
1528 | if (nvlist_add_uint64(ret, | |
1529 | zfs_prop_to_name(ZFS_PROP_UTF8ONLY), 1) != 0) { | |
1530 | (void) no_memory(hdl); | |
1531 | goto error; | |
1532 | } | |
1533 | } else if (chosen_normal > 0 && chosen_utf == 0) { | |
1534 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1535 | "'%s' must be set 'on' if normalization chosen"), | |
1536 | zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); | |
1537 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1538 | goto error; | |
1539 | } | |
572e2857 BB |
1540 | return (ret); |
1541 | ||
1542 | error: | |
1543 | nvlist_free(ret); | |
1544 | return (NULL); | |
1545 | } | |
1546 | ||
1547 | int | |
1548 | zfs_add_synthetic_resv(zfs_handle_t *zhp, nvlist_t *nvl) | |
1549 | { | |
1550 | uint64_t old_volsize; | |
1551 | uint64_t new_volsize; | |
1552 | uint64_t old_reservation; | |
1553 | uint64_t new_reservation; | |
1554 | zfs_prop_t resv_prop; | |
59d4c71c | 1555 | nvlist_t *props; |
34dc7c2f BB |
1556 | |
1557 | /* | |
1558 | * If this is an existing volume, and someone is setting the volsize, | |
1559 | * make sure that it matches the reservation, or add it if necessary. | |
1560 | */ | |
572e2857 BB |
1561 | old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); |
1562 | if (zfs_which_resv_prop(zhp, &resv_prop) < 0) | |
1563 | return (-1); | |
1564 | old_reservation = zfs_prop_get_int(zhp, resv_prop); | |
59d4c71c GW |
1565 | |
1566 | props = fnvlist_alloc(); | |
1567 | fnvlist_add_uint64(props, zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
1568 | zfs_prop_get_int(zhp, ZFS_PROP_VOLBLOCKSIZE)); | |
1569 | ||
1570 | if ((zvol_volsize_to_reservation(old_volsize, props) != | |
1571 | old_reservation) || nvlist_exists(nvl, | |
1572 | zfs_prop_to_name(resv_prop))) { | |
1573 | fnvlist_free(props); | |
572e2857 | 1574 | return (0); |
34dc7c2f | 1575 | } |
572e2857 | 1576 | if (nvlist_lookup_uint64(nvl, zfs_prop_to_name(ZFS_PROP_VOLSIZE), |
59d4c71c GW |
1577 | &new_volsize) != 0) { |
1578 | fnvlist_free(props); | |
572e2857 | 1579 | return (-1); |
59d4c71c GW |
1580 | } |
1581 | new_reservation = zvol_volsize_to_reservation(new_volsize, props); | |
1582 | fnvlist_free(props); | |
1583 | ||
572e2857 BB |
1584 | if (nvlist_add_uint64(nvl, zfs_prop_to_name(resv_prop), |
1585 | new_reservation) != 0) { | |
1586 | (void) no_memory(zhp->zfs_hdl); | |
1587 | return (-1); | |
1588 | } | |
1589 | return (1); | |
34dc7c2f BB |
1590 | } |
1591 | ||
d22f3a82 MG |
1592 | /* |
1593 | * Helper for 'zfs {set|clone} refreservation=auto'. Must be called after | |
1594 | * zfs_valid_proplist(), as it is what sets the UINT64_MAX sentinal value. | |
1595 | * Return codes must match zfs_add_synthetic_resv(). | |
1596 | */ | |
1597 | static int | |
1598 | zfs_fix_auto_resv(zfs_handle_t *zhp, nvlist_t *nvl) | |
1599 | { | |
1600 | uint64_t volsize; | |
1601 | uint64_t resvsize; | |
1602 | zfs_prop_t prop; | |
1603 | nvlist_t *props; | |
1604 | ||
1605 | if (!ZFS_IS_VOLUME(zhp)) { | |
1606 | return (0); | |
1607 | } | |
1608 | ||
1609 | if (zfs_which_resv_prop(zhp, &prop) != 0) { | |
1610 | return (-1); | |
1611 | } | |
1612 | ||
1613 | if (prop != ZFS_PROP_REFRESERVATION) { | |
1614 | return (0); | |
1615 | } | |
1616 | ||
1617 | if (nvlist_lookup_uint64(nvl, zfs_prop_to_name(prop), &resvsize) != 0) { | |
1618 | /* No value being set, so it can't be "auto" */ | |
1619 | return (0); | |
1620 | } | |
1621 | if (resvsize != UINT64_MAX) { | |
1622 | /* Being set to a value other than "auto" */ | |
1623 | return (0); | |
1624 | } | |
1625 | ||
1626 | props = fnvlist_alloc(); | |
1627 | ||
1628 | fnvlist_add_uint64(props, zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
1629 | zfs_prop_get_int(zhp, ZFS_PROP_VOLBLOCKSIZE)); | |
1630 | ||
1631 | if (nvlist_lookup_uint64(nvl, zfs_prop_to_name(ZFS_PROP_VOLSIZE), | |
1632 | &volsize) != 0) { | |
1633 | volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); | |
1634 | } | |
1635 | ||
1636 | resvsize = zvol_volsize_to_reservation(volsize, props); | |
1637 | fnvlist_free(props); | |
1638 | ||
1639 | (void) nvlist_remove_all(nvl, zfs_prop_to_name(prop)); | |
1640 | if (nvlist_add_uint64(nvl, zfs_prop_to_name(prop), resvsize) != 0) { | |
1641 | (void) no_memory(zhp->zfs_hdl); | |
1642 | return (-1); | |
1643 | } | |
1644 | return (1); | |
1645 | } | |
1646 | ||
428870ff BB |
1647 | void |
1648 | zfs_setprop_error(libzfs_handle_t *hdl, zfs_prop_t prop, int err, | |
1649 | char *errbuf) | |
1650 | { | |
1651 | switch (err) { | |
1652 | ||
1653 | case ENOSPC: | |
1654 | /* | |
1655 | * For quotas and reservations, ENOSPC indicates | |
1656 | * something different; setting a quota or reservation | |
1657 | * doesn't use any disk space. | |
1658 | */ | |
1659 | switch (prop) { | |
1660 | case ZFS_PROP_QUOTA: | |
1661 | case ZFS_PROP_REFQUOTA: | |
1662 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1663 | "size is less than current used or " | |
1664 | "reserved space")); | |
1665 | (void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); | |
1666 | break; | |
1667 | ||
1668 | case ZFS_PROP_RESERVATION: | |
1669 | case ZFS_PROP_REFRESERVATION: | |
1670 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1671 | "size is greater than available space")); | |
1672 | (void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); | |
1673 | break; | |
1674 | ||
1675 | default: | |
1676 | (void) zfs_standard_error(hdl, err, errbuf); | |
1677 | break; | |
1678 | } | |
1679 | break; | |
1680 | ||
1681 | case EBUSY: | |
1682 | (void) zfs_standard_error(hdl, EBUSY, errbuf); | |
1683 | break; | |
1684 | ||
1685 | case EROFS: | |
1686 | (void) zfs_error(hdl, EZFS_DSREADONLY, errbuf); | |
1687 | break; | |
1688 | ||
98cb3a76 WA |
1689 | case E2BIG: |
1690 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1691 | "property value too long")); | |
1692 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1693 | break; | |
1694 | ||
428870ff BB |
1695 | case ENOTSUP: |
1696 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1697 | "pool and or dataset must be upgraded to set this " | |
1698 | "property or value")); | |
1699 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
1700 | break; | |
1701 | ||
1702 | case ERANGE: | |
f1512ee6 | 1703 | if (prop == ZFS_PROP_COMPRESSION || |
50c957f7 | 1704 | prop == ZFS_PROP_DNODESIZE || |
f1512ee6 | 1705 | prop == ZFS_PROP_RECORDSIZE) { |
428870ff BB |
1706 | (void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
1707 | "property setting is not allowed on " | |
1708 | "bootable datasets")); | |
1709 | (void) zfs_error(hdl, EZFS_NOTSUP, errbuf); | |
3c67d83a TH |
1710 | } else if (prop == ZFS_PROP_CHECKSUM || |
1711 | prop == ZFS_PROP_DEDUP) { | |
1712 | (void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1713 | "property setting is not allowed on " | |
1714 | "root pools")); | |
1715 | (void) zfs_error(hdl, EZFS_NOTSUP, errbuf); | |
428870ff BB |
1716 | } else { |
1717 | (void) zfs_standard_error(hdl, err, errbuf); | |
1718 | } | |
1719 | break; | |
1720 | ||
1721 | case EINVAL: | |
1722 | if (prop == ZPROP_INVAL) { | |
1723 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1724 | } else { | |
1725 | (void) zfs_standard_error(hdl, err, errbuf); | |
1726 | } | |
1727 | break; | |
1728 | ||
b5256303 TC |
1729 | case EACCES: |
1730 | if (prop == ZFS_PROP_KEYLOCATION) { | |
1731 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1732 | "keylocation may only be set on encryption roots")); | |
1733 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1734 | } else { | |
1735 | (void) zfs_standard_error(hdl, err, errbuf); | |
1736 | } | |
1737 | break; | |
1738 | ||
428870ff BB |
1739 | case EOVERFLOW: |
1740 | /* | |
1741 | * This platform can't address a volume this big. | |
1742 | */ | |
1743 | #ifdef _ILP32 | |
1744 | if (prop == ZFS_PROP_VOLSIZE) { | |
1745 | (void) zfs_error(hdl, EZFS_VOLTOOBIG, errbuf); | |
1746 | break; | |
1747 | } | |
1748 | #endif | |
1749 | /* FALLTHROUGH */ | |
1750 | default: | |
1751 | (void) zfs_standard_error(hdl, err, errbuf); | |
1752 | } | |
1753 | } | |
1754 | ||
2cf7f52b BB |
1755 | static boolean_t |
1756 | zfs_is_namespace_prop(zfs_prop_t prop) | |
1757 | { | |
1758 | switch (prop) { | |
1759 | ||
1760 | case ZFS_PROP_ATIME: | |
6d111134 | 1761 | case ZFS_PROP_RELATIME: |
2cf7f52b BB |
1762 | case ZFS_PROP_DEVICES: |
1763 | case ZFS_PROP_EXEC: | |
1764 | case ZFS_PROP_SETUID: | |
1765 | case ZFS_PROP_READONLY: | |
1766 | case ZFS_PROP_XATTR: | |
1767 | case ZFS_PROP_NBMAND: | |
1768 | return (B_TRUE); | |
1769 | ||
1770 | default: | |
1771 | return (B_FALSE); | |
1772 | } | |
1773 | } | |
1774 | ||
34dc7c2f BB |
1775 | /* |
1776 | * Given a property name and value, set the property for the given dataset. | |
1777 | */ | |
1778 | int | |
1779 | zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) | |
1780 | { | |
34dc7c2f | 1781 | int ret = -1; |
34dc7c2f BB |
1782 | char errbuf[1024]; |
1783 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
23de906c | 1784 | nvlist_t *nvl = NULL; |
34dc7c2f BB |
1785 | |
1786 | (void) snprintf(errbuf, sizeof (errbuf), | |
1787 | dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), | |
1788 | zhp->zfs_name); | |
1789 | ||
1790 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0 || | |
1791 | nvlist_add_string(nvl, propname, propval) != 0) { | |
1792 | (void) no_memory(hdl); | |
1793 | goto error; | |
1794 | } | |
1795 | ||
23de906c | 1796 | ret = zfs_prop_set_list(zhp, nvl); |
34dc7c2f | 1797 | |
23de906c | 1798 | error: |
34dc7c2f | 1799 | nvlist_free(nvl); |
23de906c CW |
1800 | return (ret); |
1801 | } | |
34dc7c2f | 1802 | |
34dc7c2f | 1803 | |
572e2857 | 1804 | |
23de906c CW |
1805 | /* |
1806 | * Given an nvlist of property names and values, set the properties for the | |
1807 | * given dataset. | |
1808 | */ | |
1809 | int | |
1810 | zfs_prop_set_list(zfs_handle_t *zhp, nvlist_t *props) | |
1811 | { | |
1812 | zfs_cmd_t zc = {"\0"}; | |
1813 | int ret = -1; | |
1814 | prop_changelist_t **cls = NULL; | |
1815 | int cl_idx; | |
1816 | char errbuf[1024]; | |
1817 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
1818 | nvlist_t *nvl; | |
c40db193 | 1819 | int nvl_len = 0; |
23de906c CW |
1820 | int added_resv = 0; |
1821 | zfs_prop_t prop = 0; | |
1822 | nvpair_t *elem; | |
34dc7c2f | 1823 | |
23de906c CW |
1824 | (void) snprintf(errbuf, sizeof (errbuf), |
1825 | dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), | |
1826 | zhp->zfs_name); | |
1827 | ||
1828 | if ((nvl = zfs_valid_proplist(hdl, zhp->zfs_type, props, | |
82f6f6e6 | 1829 | zfs_prop_get_int(zhp, ZFS_PROP_ZONED), zhp, zhp->zpool_hdl, |
b5256303 | 1830 | B_FALSE, errbuf)) == NULL) |
34dc7c2f | 1831 | goto error; |
34dc7c2f | 1832 | |
b128c09f | 1833 | /* |
23de906c CW |
1834 | * We have to check for any extra properties which need to be added |
1835 | * before computing the length of the nvlist. | |
b128c09f | 1836 | */ |
23de906c CW |
1837 | for (elem = nvlist_next_nvpair(nvl, NULL); |
1838 | elem != NULL; | |
1839 | elem = nvlist_next_nvpair(nvl, elem)) { | |
1840 | if (zfs_name_to_prop(nvpair_name(elem)) == ZFS_PROP_VOLSIZE && | |
1841 | (added_resv = zfs_add_synthetic_resv(zhp, nvl)) == -1) { | |
1842 | goto error; | |
1843 | } | |
6f1ffb06 | 1844 | } |
d22f3a82 MG |
1845 | |
1846 | if (added_resv != 1 && | |
1847 | (added_resv = zfs_fix_auto_resv(zhp, nvl)) == -1) { | |
1848 | goto error; | |
1849 | } | |
1850 | ||
23de906c CW |
1851 | /* |
1852 | * Check how many properties we're setting and allocate an array to | |
1853 | * store changelist pointers for postfix(). | |
1854 | */ | |
23de906c CW |
1855 | for (elem = nvlist_next_nvpair(nvl, NULL); |
1856 | elem != NULL; | |
1857 | elem = nvlist_next_nvpair(nvl, elem)) | |
1858 | nvl_len++; | |
1859 | if ((cls = calloc(nvl_len, sizeof (prop_changelist_t *))) == NULL) | |
b128c09f | 1860 | goto error; |
34dc7c2f | 1861 | |
23de906c CW |
1862 | cl_idx = 0; |
1863 | for (elem = nvlist_next_nvpair(nvl, NULL); | |
1864 | elem != NULL; | |
1865 | elem = nvlist_next_nvpair(nvl, elem)) { | |
1866 | ||
1867 | prop = zfs_name_to_prop(nvpair_name(elem)); | |
1868 | ||
1869 | assert(cl_idx < nvl_len); | |
1870 | /* | |
1871 | * We don't want to unmount & remount the dataset when changing | |
1872 | * its canmount property to 'on' or 'noauto'. We only use | |
1873 | * the changelist logic to unmount when setting canmount=off. | |
1874 | */ | |
b87baa7e GM |
1875 | if (prop != ZFS_PROP_CANMOUNT || |
1876 | (fnvpair_value_uint64(elem) == ZFS_CANMOUNT_OFF && | |
1877 | zfs_is_mounted(zhp, NULL))) { | |
23de906c CW |
1878 | cls[cl_idx] = changelist_gather(zhp, prop, 0, 0); |
1879 | if (cls[cl_idx] == NULL) | |
1880 | goto error; | |
1881 | } | |
1882 | ||
1883 | if (prop == ZFS_PROP_MOUNTPOINT && | |
1884 | changelist_haszonedchild(cls[cl_idx])) { | |
1885 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1886 | "child dataset with inherited mountpoint is used " | |
1887 | "in a non-global zone")); | |
1888 | ret = zfs_error(hdl, EZFS_ZONED, errbuf); | |
1889 | goto error; | |
1890 | } | |
1891 | ||
1892 | if (cls[cl_idx] != NULL && | |
1893 | (ret = changelist_prefix(cls[cl_idx])) != 0) | |
1894 | goto error; | |
1895 | ||
1896 | cl_idx++; | |
1897 | } | |
1898 | assert(cl_idx == nvl_len); | |
1899 | ||
34dc7c2f | 1900 | /* |
23de906c | 1901 | * Execute the corresponding ioctl() to set this list of properties. |
34dc7c2f BB |
1902 | */ |
1903 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); | |
1904 | ||
23de906c CW |
1905 | if ((ret = zcmd_write_src_nvlist(hdl, &zc, nvl)) != 0 || |
1906 | (ret = zcmd_alloc_dst_nvlist(hdl, &zc, 0)) != 0) | |
34dc7c2f BB |
1907 | goto error; |
1908 | ||
1909 | ret = zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); | |
9babb374 | 1910 | |
34dc7c2f | 1911 | if (ret != 0) { |
23de906c CW |
1912 | /* Get the list of unset properties back and report them. */ |
1913 | nvlist_t *errorprops = NULL; | |
1914 | if (zcmd_read_dst_nvlist(hdl, &zc, &errorprops) != 0) | |
1915 | goto error; | |
1916 | for (elem = nvlist_next_nvpair(nvl, NULL); | |
1917 | elem != NULL; | |
1918 | elem = nvlist_next_nvpair(nvl, elem)) { | |
1919 | prop = zfs_name_to_prop(nvpair_name(elem)); | |
1920 | zfs_setprop_error(hdl, prop, errno, errbuf); | |
1921 | } | |
1922 | nvlist_free(errorprops); | |
1923 | ||
572e2857 BB |
1924 | if (added_resv && errno == ENOSPC) { |
1925 | /* clean up the volsize property we tried to set */ | |
1926 | uint64_t old_volsize = zfs_prop_get_int(zhp, | |
1927 | ZFS_PROP_VOLSIZE); | |
1928 | nvlist_free(nvl); | |
23de906c | 1929 | nvl = NULL; |
572e2857 | 1930 | zcmd_free_nvlists(&zc); |
23de906c | 1931 | |
572e2857 BB |
1932 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) |
1933 | goto error; | |
1934 | if (nvlist_add_uint64(nvl, | |
1935 | zfs_prop_to_name(ZFS_PROP_VOLSIZE), | |
1936 | old_volsize) != 0) | |
1937 | goto error; | |
1938 | if (zcmd_write_src_nvlist(hdl, &zc, nvl) != 0) | |
1939 | goto error; | |
1940 | (void) zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); | |
1941 | } | |
34dc7c2f | 1942 | } else { |
23de906c CW |
1943 | for (cl_idx = 0; cl_idx < nvl_len; cl_idx++) { |
1944 | if (cls[cl_idx] != NULL) { | |
1945 | int clp_err = changelist_postfix(cls[cl_idx]); | |
1946 | if (clp_err != 0) | |
1947 | ret = clp_err; | |
1948 | } | |
1949 | } | |
34dc7c2f | 1950 | |
2cf7f52b BB |
1951 | if (ret == 0) { |
1952 | /* | |
1953 | * Refresh the statistics so the new property | |
1954 | * value is reflected. | |
1955 | */ | |
34dc7c2f | 1956 | (void) get_stats(zhp); |
2cf7f52b BB |
1957 | |
1958 | /* | |
1959 | * Remount the filesystem to propagate the change | |
1960 | * if one of the options handled by the generic | |
1961 | * Linux namespace layer has been modified. | |
1962 | */ | |
1963 | if (zfs_is_namespace_prop(prop) && | |
1964 | zfs_is_mounted(zhp, NULL)) | |
1965 | ret = zfs_mount(zhp, MNTOPT_REMOUNT, 0); | |
1966 | } | |
34dc7c2f BB |
1967 | } |
1968 | ||
1969 | error: | |
1970 | nvlist_free(nvl); | |
1971 | zcmd_free_nvlists(&zc); | |
23de906c CW |
1972 | if (cls != NULL) { |
1973 | for (cl_idx = 0; cl_idx < nvl_len; cl_idx++) { | |
1974 | if (cls[cl_idx] != NULL) | |
1975 | changelist_free(cls[cl_idx]); | |
1976 | } | |
1977 | free(cls); | |
1978 | } | |
34dc7c2f BB |
1979 | return (ret); |
1980 | } | |
1981 | ||
1982 | /* | |
428870ff BB |
1983 | * Given a property, inherit the value from the parent dataset, or if received |
1984 | * is TRUE, revert to the received value, if any. | |
34dc7c2f BB |
1985 | */ |
1986 | int | |
428870ff | 1987 | zfs_prop_inherit(zfs_handle_t *zhp, const char *propname, boolean_t received) |
34dc7c2f | 1988 | { |
13fe0198 | 1989 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
1990 | int ret; |
1991 | prop_changelist_t *cl; | |
1992 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
1993 | char errbuf[1024]; | |
1994 | zfs_prop_t prop; | |
1995 | ||
1996 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1997 | "cannot inherit %s for '%s'"), propname, zhp->zfs_name); | |
1998 | ||
428870ff | 1999 | zc.zc_cookie = received; |
34dc7c2f BB |
2000 | if ((prop = zfs_name_to_prop(propname)) == ZPROP_INVAL) { |
2001 | /* | |
2002 | * For user properties, the amount of work we have to do is very | |
2003 | * small, so just do it here. | |
2004 | */ | |
2005 | if (!zfs_prop_user(propname)) { | |
2006 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2007 | "invalid property")); | |
2008 | return (zfs_error(hdl, EZFS_BADPROP, errbuf)); | |
2009 | } | |
2010 | ||
2011 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); | |
2012 | (void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value)); | |
2013 | ||
2014 | if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_INHERIT_PROP, &zc) != 0) | |
2015 | return (zfs_standard_error(hdl, errno, errbuf)); | |
2016 | ||
2017 | return (0); | |
2018 | } | |
2019 | ||
2020 | /* | |
2021 | * Verify that this property is inheritable. | |
2022 | */ | |
2023 | if (zfs_prop_readonly(prop)) | |
2024 | return (zfs_error(hdl, EZFS_PROPREADONLY, errbuf)); | |
2025 | ||
428870ff | 2026 | if (!zfs_prop_inheritable(prop) && !received) |
34dc7c2f BB |
2027 | return (zfs_error(hdl, EZFS_PROPNONINHERIT, errbuf)); |
2028 | ||
2029 | /* | |
2030 | * Check to see if the value applies to this type | |
2031 | */ | |
962d5242 | 2032 | if (!zfs_prop_valid_for_type(prop, zhp->zfs_type, B_FALSE)) |
34dc7c2f BB |
2033 | return (zfs_error(hdl, EZFS_PROPTYPE, errbuf)); |
2034 | ||
2035 | /* | |
572e2857 | 2036 | * Normalize the name, to get rid of shorthand abbreviations. |
34dc7c2f BB |
2037 | */ |
2038 | propname = zfs_prop_to_name(prop); | |
2039 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); | |
2040 | (void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value)); | |
2041 | ||
2042 | if (prop == ZFS_PROP_MOUNTPOINT && getzoneid() == GLOBAL_ZONEID && | |
2043 | zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) { | |
2044 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2045 | "dataset is used in a non-global zone")); | |
2046 | return (zfs_error(hdl, EZFS_ZONED, errbuf)); | |
2047 | } | |
2048 | ||
2049 | /* | |
2050 | * Determine datasets which will be affected by this change, if any. | |
2051 | */ | |
b128c09f | 2052 | if ((cl = changelist_gather(zhp, prop, 0, 0)) == NULL) |
34dc7c2f BB |
2053 | return (-1); |
2054 | ||
2055 | if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) { | |
2056 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2057 | "child dataset with inherited mountpoint is used " | |
2058 | "in a non-global zone")); | |
2059 | ret = zfs_error(hdl, EZFS_ZONED, errbuf); | |
2060 | goto error; | |
2061 | } | |
2062 | ||
2063 | if ((ret = changelist_prefix(cl)) != 0) | |
2064 | goto error; | |
2065 | ||
2066 | if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_INHERIT_PROP, &zc)) != 0) { | |
2067 | return (zfs_standard_error(hdl, errno, errbuf)); | |
2068 | } else { | |
2069 | ||
2070 | if ((ret = changelist_postfix(cl)) != 0) | |
2071 | goto error; | |
2072 | ||
2073 | /* | |
2074 | * Refresh the statistics so the new property is reflected. | |
2075 | */ | |
2076 | (void) get_stats(zhp); | |
4d8c78c8 GB |
2077 | |
2078 | /* | |
2079 | * Remount the filesystem to propagate the change | |
2080 | * if one of the options handled by the generic | |
2081 | * Linux namespace layer has been modified. | |
2082 | */ | |
2083 | if (zfs_is_namespace_prop(prop) && | |
2084 | zfs_is_mounted(zhp, NULL)) | |
2085 | ret = zfs_mount(zhp, MNTOPT_REMOUNT, 0); | |
34dc7c2f BB |
2086 | } |
2087 | ||
2088 | error: | |
2089 | changelist_free(cl); | |
2090 | return (ret); | |
2091 | } | |
2092 | ||
2093 | /* | |
2094 | * True DSL properties are stored in an nvlist. The following two functions | |
2095 | * extract them appropriately. | |
2096 | */ | |
2cf7f52b | 2097 | uint64_t |
34dc7c2f BB |
2098 | getprop_uint64(zfs_handle_t *zhp, zfs_prop_t prop, char **source) |
2099 | { | |
2100 | nvlist_t *nv; | |
2101 | uint64_t value; | |
2102 | ||
2103 | *source = NULL; | |
2104 | if (nvlist_lookup_nvlist(zhp->zfs_props, | |
2105 | zfs_prop_to_name(prop), &nv) == 0) { | |
2106 | verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); | |
2107 | (void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); | |
2108 | } else { | |
9babb374 BB |
2109 | verify(!zhp->zfs_props_table || |
2110 | zhp->zfs_props_table[prop] == B_TRUE); | |
34dc7c2f BB |
2111 | value = zfs_prop_default_numeric(prop); |
2112 | *source = ""; | |
2113 | } | |
2114 | ||
2115 | return (value); | |
2116 | } | |
2117 | ||
47dfff3b | 2118 | static const char * |
34dc7c2f BB |
2119 | getprop_string(zfs_handle_t *zhp, zfs_prop_t prop, char **source) |
2120 | { | |
2121 | nvlist_t *nv; | |
47dfff3b | 2122 | const char *value; |
34dc7c2f BB |
2123 | |
2124 | *source = NULL; | |
2125 | if (nvlist_lookup_nvlist(zhp->zfs_props, | |
2126 | zfs_prop_to_name(prop), &nv) == 0) { | |
47dfff3b | 2127 | value = fnvlist_lookup_string(nv, ZPROP_VALUE); |
34dc7c2f BB |
2128 | (void) nvlist_lookup_string(nv, ZPROP_SOURCE, source); |
2129 | } else { | |
9babb374 BB |
2130 | verify(!zhp->zfs_props_table || |
2131 | zhp->zfs_props_table[prop] == B_TRUE); | |
47dfff3b | 2132 | value = zfs_prop_default_string(prop); |
34dc7c2f BB |
2133 | *source = ""; |
2134 | } | |
2135 | ||
2136 | return (value); | |
2137 | } | |
2138 | ||
428870ff BB |
2139 | static boolean_t |
2140 | zfs_is_recvd_props_mode(zfs_handle_t *zhp) | |
2141 | { | |
2142 | return (zhp->zfs_props == zhp->zfs_recvd_props); | |
2143 | } | |
2144 | ||
2145 | static void | |
2146 | zfs_set_recvd_props_mode(zfs_handle_t *zhp, uint64_t *cookie) | |
2147 | { | |
2148 | *cookie = (uint64_t)(uintptr_t)zhp->zfs_props; | |
2149 | zhp->zfs_props = zhp->zfs_recvd_props; | |
2150 | } | |
2151 | ||
2152 | static void | |
2153 | zfs_unset_recvd_props_mode(zfs_handle_t *zhp, uint64_t *cookie) | |
2154 | { | |
2155 | zhp->zfs_props = (nvlist_t *)(uintptr_t)*cookie; | |
2156 | *cookie = 0; | |
2157 | } | |
2158 | ||
34dc7c2f BB |
2159 | /* |
2160 | * Internal function for getting a numeric property. Both zfs_prop_get() and | |
2161 | * zfs_prop_get_int() are built using this interface. | |
2162 | * | |
2163 | * Certain properties can be overridden using 'mount -o'. In this case, scan | |
79251738 | 2164 | * the contents of the /proc/self/mounts entry, searching for the |
2165 | * appropriate options. If they differ from the on-disk values, report the | |
2166 | * current values and mark the source "temporary". | |
34dc7c2f BB |
2167 | */ |
2168 | static int | |
2169 | get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, | |
2170 | char **source, uint64_t *val) | |
2171 | { | |
13fe0198 | 2172 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
2173 | nvlist_t *zplprops = NULL; |
2174 | struct mnttab mnt; | |
2175 | char *mntopt_on = NULL; | |
2176 | char *mntopt_off = NULL; | |
428870ff | 2177 | boolean_t received = zfs_is_recvd_props_mode(zhp); |
34dc7c2f BB |
2178 | |
2179 | *source = NULL; | |
2180 | ||
962d5242 TC |
2181 | /* |
2182 | * If the property is being fetched for a snapshot, check whether | |
2183 | * the property is valid for the snapshot's head dataset type. | |
2184 | */ | |
2185 | if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT && | |
02730c33 BB |
2186 | !zfs_prop_valid_for_type(prop, zhp->zfs_head_type, B_TRUE)) { |
2187 | *val = zfs_prop_default_numeric(prop); | |
2188 | return (-1); | |
09c0b8fe | 2189 | } |
962d5242 | 2190 | |
34dc7c2f BB |
2191 | switch (prop) { |
2192 | case ZFS_PROP_ATIME: | |
2193 | mntopt_on = MNTOPT_ATIME; | |
2194 | mntopt_off = MNTOPT_NOATIME; | |
2195 | break; | |
2196 | ||
6d111134 TC |
2197 | case ZFS_PROP_RELATIME: |
2198 | mntopt_on = MNTOPT_RELATIME; | |
2199 | mntopt_off = MNTOPT_NORELATIME; | |
2200 | break; | |
2201 | ||
34dc7c2f BB |
2202 | case ZFS_PROP_DEVICES: |
2203 | mntopt_on = MNTOPT_DEVICES; | |
2204 | mntopt_off = MNTOPT_NODEVICES; | |
2205 | break; | |
2206 | ||
2207 | case ZFS_PROP_EXEC: | |
2208 | mntopt_on = MNTOPT_EXEC; | |
2209 | mntopt_off = MNTOPT_NOEXEC; | |
2210 | break; | |
2211 | ||
2212 | case ZFS_PROP_READONLY: | |
2213 | mntopt_on = MNTOPT_RO; | |
2214 | mntopt_off = MNTOPT_RW; | |
2215 | break; | |
2216 | ||
2217 | case ZFS_PROP_SETUID: | |
2218 | mntopt_on = MNTOPT_SETUID; | |
2219 | mntopt_off = MNTOPT_NOSETUID; | |
2220 | break; | |
2221 | ||
2222 | case ZFS_PROP_XATTR: | |
2223 | mntopt_on = MNTOPT_XATTR; | |
2224 | mntopt_off = MNTOPT_NOXATTR; | |
2225 | break; | |
2226 | ||
2227 | case ZFS_PROP_NBMAND: | |
2228 | mntopt_on = MNTOPT_NBMAND; | |
2229 | mntopt_off = MNTOPT_NONBMAND; | |
2230 | break; | |
23d70cde | 2231 | |
e75c13c3 BB |
2232 | default: |
2233 | break; | |
34dc7c2f BB |
2234 | } |
2235 | ||
2236 | /* | |
2237 | * Because looking up the mount options is potentially expensive | |
79251738 | 2238 | * (iterating over all of /proc/self/mounts), we defer its |
2239 | * calculation until we're looking up a property which requires | |
2240 | * its presence. | |
34dc7c2f BB |
2241 | */ |
2242 | if (!zhp->zfs_mntcheck && | |
2243 | (mntopt_on != NULL || prop == ZFS_PROP_MOUNTED)) { | |
fb5f0bc8 BB |
2244 | libzfs_handle_t *hdl = zhp->zfs_hdl; |
2245 | struct mnttab entry; | |
34dc7c2f | 2246 | |
fb5f0bc8 BB |
2247 | if (libzfs_mnttab_find(hdl, zhp->zfs_name, &entry) == 0) { |
2248 | zhp->zfs_mntopts = zfs_strdup(hdl, | |
34dc7c2f BB |
2249 | entry.mnt_mntopts); |
2250 | if (zhp->zfs_mntopts == NULL) | |
2251 | return (-1); | |
2252 | } | |
2253 | ||
2254 | zhp->zfs_mntcheck = B_TRUE; | |
2255 | } | |
2256 | ||
2257 | if (zhp->zfs_mntopts == NULL) | |
2258 | mnt.mnt_mntopts = ""; | |
2259 | else | |
2260 | mnt.mnt_mntopts = zhp->zfs_mntopts; | |
2261 | ||
2262 | switch (prop) { | |
0282c413 BB |
2263 | case ZFS_PROP_ATIME: |
2264 | case ZFS_PROP_RELATIME: | |
34dc7c2f BB |
2265 | case ZFS_PROP_DEVICES: |
2266 | case ZFS_PROP_EXEC: | |
2267 | case ZFS_PROP_READONLY: | |
2268 | case ZFS_PROP_SETUID: | |
2269 | case ZFS_PROP_XATTR: | |
2270 | case ZFS_PROP_NBMAND: | |
2271 | *val = getprop_uint64(zhp, prop, source); | |
2272 | ||
428870ff BB |
2273 | if (received) |
2274 | break; | |
2275 | ||
34dc7c2f BB |
2276 | if (hasmntopt(&mnt, mntopt_on) && !*val) { |
2277 | *val = B_TRUE; | |
2278 | if (src) | |
2279 | *src = ZPROP_SRC_TEMPORARY; | |
2280 | } else if (hasmntopt(&mnt, mntopt_off) && *val) { | |
2281 | *val = B_FALSE; | |
2282 | if (src) | |
2283 | *src = ZPROP_SRC_TEMPORARY; | |
2284 | } | |
2285 | break; | |
2286 | ||
2287 | case ZFS_PROP_CANMOUNT: | |
428870ff | 2288 | case ZFS_PROP_VOLSIZE: |
34dc7c2f BB |
2289 | case ZFS_PROP_QUOTA: |
2290 | case ZFS_PROP_REFQUOTA: | |
2291 | case ZFS_PROP_RESERVATION: | |
2292 | case ZFS_PROP_REFRESERVATION: | |
788eb90c JJ |
2293 | case ZFS_PROP_FILESYSTEM_LIMIT: |
2294 | case ZFS_PROP_SNAPSHOT_LIMIT: | |
2295 | case ZFS_PROP_FILESYSTEM_COUNT: | |
2296 | case ZFS_PROP_SNAPSHOT_COUNT: | |
34dc7c2f | 2297 | *val = getprop_uint64(zhp, prop, source); |
428870ff BB |
2298 | |
2299 | if (*source == NULL) { | |
2300 | /* not default, must be local */ | |
34dc7c2f | 2301 | *source = zhp->zfs_name; |
428870ff | 2302 | } |
34dc7c2f BB |
2303 | break; |
2304 | ||
2305 | case ZFS_PROP_MOUNTED: | |
2306 | *val = (zhp->zfs_mntopts != NULL); | |
2307 | break; | |
2308 | ||
2309 | case ZFS_PROP_NUMCLONES: | |
2310 | *val = zhp->zfs_dmustats.dds_num_clones; | |
2311 | break; | |
2312 | ||
2313 | case ZFS_PROP_VERSION: | |
2314 | case ZFS_PROP_NORMALIZE: | |
2315 | case ZFS_PROP_UTF8ONLY: | |
2316 | case ZFS_PROP_CASE: | |
962d5242 | 2317 | if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) |
34dc7c2f BB |
2318 | return (-1); |
2319 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); | |
2320 | if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_OBJSET_ZPLPROPS, &zc)) { | |
2321 | zcmd_free_nvlists(&zc); | |
59199d90 TC |
2322 | if (prop == ZFS_PROP_VERSION && |
2323 | zhp->zfs_type == ZFS_TYPE_VOLUME) | |
2324 | *val = zfs_prop_default_numeric(prop); | |
45d1cae3 | 2325 | return (-1); |
34dc7c2f BB |
2326 | } |
2327 | if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &zplprops) != 0 || | |
2328 | nvlist_lookup_uint64(zplprops, zfs_prop_to_name(prop), | |
2329 | val) != 0) { | |
2330 | zcmd_free_nvlists(&zc); | |
45d1cae3 | 2331 | return (-1); |
34dc7c2f | 2332 | } |
8a5fc748 | 2333 | nvlist_free(zplprops); |
34dc7c2f BB |
2334 | zcmd_free_nvlists(&zc); |
2335 | break; | |
2336 | ||
96c2e961 KW |
2337 | case ZFS_PROP_INCONSISTENT: |
2338 | *val = zhp->zfs_dmustats.dds_inconsistent; | |
2339 | break; | |
2340 | ||
34dc7c2f BB |
2341 | default: |
2342 | switch (zfs_prop_get_type(prop)) { | |
2343 | case PROP_TYPE_NUMBER: | |
2344 | case PROP_TYPE_INDEX: | |
2345 | *val = getprop_uint64(zhp, prop, source); | |
b128c09f | 2346 | /* |
9babb374 | 2347 | * If we tried to use a default value for a |
b128c09f | 2348 | * readonly property, it means that it was not |
3d43125f GM |
2349 | * present. Note this only applies to "truly" |
2350 | * readonly properties, not set-once properties | |
2351 | * like volblocksize. | |
b128c09f BB |
2352 | */ |
2353 | if (zfs_prop_readonly(prop) && | |
3d43125f | 2354 | !zfs_prop_setonce(prop) && |
428870ff BB |
2355 | *source != NULL && (*source)[0] == '\0') { |
2356 | *source = NULL; | |
7e8dbd93 | 2357 | return (-1); |
b128c09f | 2358 | } |
34dc7c2f BB |
2359 | break; |
2360 | ||
2361 | case PROP_TYPE_STRING: | |
2362 | default: | |
2363 | zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, | |
2364 | "cannot get non-numeric property")); | |
2365 | return (zfs_error(zhp->zfs_hdl, EZFS_BADPROP, | |
2366 | dgettext(TEXT_DOMAIN, "internal error"))); | |
2367 | } | |
2368 | } | |
2369 | ||
2370 | return (0); | |
2371 | } | |
2372 | ||
2373 | /* | |
2374 | * Calculate the source type, given the raw source string. | |
2375 | */ | |
2376 | static void | |
2377 | get_source(zfs_handle_t *zhp, zprop_source_t *srctype, char *source, | |
2378 | char *statbuf, size_t statlen) | |
2379 | { | |
94183a9d BB |
2380 | if (statbuf == NULL || |
2381 | srctype == NULL || *srctype == ZPROP_SRC_TEMPORARY) { | |
34dc7c2f | 2382 | return; |
94183a9d | 2383 | } |
34dc7c2f BB |
2384 | |
2385 | if (source == NULL) { | |
2386 | *srctype = ZPROP_SRC_NONE; | |
2387 | } else if (source[0] == '\0') { | |
2388 | *srctype = ZPROP_SRC_DEFAULT; | |
428870ff BB |
2389 | } else if (strstr(source, ZPROP_SOURCE_VAL_RECVD) != NULL) { |
2390 | *srctype = ZPROP_SRC_RECEIVED; | |
34dc7c2f BB |
2391 | } else { |
2392 | if (strcmp(source, zhp->zfs_name) == 0) { | |
2393 | *srctype = ZPROP_SRC_LOCAL; | |
2394 | } else { | |
2395 | (void) strlcpy(statbuf, source, statlen); | |
2396 | *srctype = ZPROP_SRC_INHERITED; | |
2397 | } | |
2398 | } | |
2399 | ||
2400 | } | |
2401 | ||
428870ff BB |
2402 | int |
2403 | zfs_prop_get_recvd(zfs_handle_t *zhp, const char *propname, char *propbuf, | |
2404 | size_t proplen, boolean_t literal) | |
2405 | { | |
2406 | zfs_prop_t prop; | |
2407 | int err = 0; | |
2408 | ||
2409 | if (zhp->zfs_recvd_props == NULL) | |
2410 | if (get_recvd_props_ioctl(zhp) != 0) | |
2411 | return (-1); | |
2412 | ||
2413 | prop = zfs_name_to_prop(propname); | |
2414 | ||
2415 | if (prop != ZPROP_INVAL) { | |
2416 | uint64_t cookie; | |
2417 | if (!nvlist_exists(zhp->zfs_recvd_props, propname)) | |
2418 | return (-1); | |
2419 | zfs_set_recvd_props_mode(zhp, &cookie); | |
2420 | err = zfs_prop_get(zhp, prop, propbuf, proplen, | |
2421 | NULL, NULL, 0, literal); | |
2422 | zfs_unset_recvd_props_mode(zhp, &cookie); | |
428870ff BB |
2423 | } else { |
2424 | nvlist_t *propval; | |
2425 | char *recvdval; | |
2426 | if (nvlist_lookup_nvlist(zhp->zfs_recvd_props, | |
2427 | propname, &propval) != 0) | |
2428 | return (-1); | |
2429 | verify(nvlist_lookup_string(propval, ZPROP_VALUE, | |
2430 | &recvdval) == 0); | |
2431 | (void) strlcpy(propbuf, recvdval, proplen); | |
2432 | } | |
2433 | ||
2434 | return (err == 0 ? 0 : -1); | |
2435 | } | |
2436 | ||
330d06f9 MA |
2437 | static int |
2438 | get_clones_string(zfs_handle_t *zhp, char *propbuf, size_t proplen) | |
2439 | { | |
2440 | nvlist_t *value; | |
2441 | nvpair_t *pair; | |
2442 | ||
2443 | value = zfs_get_clones_nvl(zhp); | |
2444 | if (value == NULL) | |
2445 | return (-1); | |
2446 | ||
2447 | propbuf[0] = '\0'; | |
2448 | for (pair = nvlist_next_nvpair(value, NULL); pair != NULL; | |
2449 | pair = nvlist_next_nvpair(value, pair)) { | |
2450 | if (propbuf[0] != '\0') | |
2451 | (void) strlcat(propbuf, ",", proplen); | |
2452 | (void) strlcat(propbuf, nvpair_name(pair), proplen); | |
2453 | } | |
2454 | ||
2455 | return (0); | |
2456 | } | |
2457 | ||
2458 | struct get_clones_arg { | |
2459 | uint64_t numclones; | |
2460 | nvlist_t *value; | |
2461 | const char *origin; | |
eca7b760 | 2462 | char buf[ZFS_MAX_DATASET_NAME_LEN]; |
330d06f9 MA |
2463 | }; |
2464 | ||
2465 | int | |
2466 | get_clones_cb(zfs_handle_t *zhp, void *arg) | |
2467 | { | |
2468 | struct get_clones_arg *gca = arg; | |
2469 | ||
2470 | if (gca->numclones == 0) { | |
2471 | zfs_close(zhp); | |
2472 | return (0); | |
2473 | } | |
2474 | ||
2475 | if (zfs_prop_get(zhp, ZFS_PROP_ORIGIN, gca->buf, sizeof (gca->buf), | |
2476 | NULL, NULL, 0, B_TRUE) != 0) | |
2477 | goto out; | |
2478 | if (strcmp(gca->buf, gca->origin) == 0) { | |
13fe0198 | 2479 | fnvlist_add_boolean(gca->value, zfs_get_name(zhp)); |
330d06f9 MA |
2480 | gca->numclones--; |
2481 | } | |
2482 | ||
2483 | out: | |
2484 | (void) zfs_iter_children(zhp, get_clones_cb, gca); | |
2485 | zfs_close(zhp); | |
2486 | return (0); | |
2487 | } | |
2488 | ||
2489 | nvlist_t * | |
2490 | zfs_get_clones_nvl(zfs_handle_t *zhp) | |
2491 | { | |
2492 | nvlist_t *nv, *value; | |
2493 | ||
2494 | if (nvlist_lookup_nvlist(zhp->zfs_props, | |
2495 | zfs_prop_to_name(ZFS_PROP_CLONES), &nv) != 0) { | |
2496 | struct get_clones_arg gca; | |
2497 | ||
2498 | /* | |
2499 | * if this is a snapshot, then the kernel wasn't able | |
2500 | * to get the clones. Do it by slowly iterating. | |
2501 | */ | |
2502 | if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT) | |
2503 | return (NULL); | |
2504 | if (nvlist_alloc(&nv, NV_UNIQUE_NAME, 0) != 0) | |
2505 | return (NULL); | |
2506 | if (nvlist_alloc(&value, NV_UNIQUE_NAME, 0) != 0) { | |
2507 | nvlist_free(nv); | |
2508 | return (NULL); | |
2509 | } | |
2510 | ||
2511 | gca.numclones = zfs_prop_get_int(zhp, ZFS_PROP_NUMCLONES); | |
2512 | gca.value = value; | |
2513 | gca.origin = zhp->zfs_name; | |
2514 | ||
2515 | if (gca.numclones != 0) { | |
2516 | zfs_handle_t *root; | |
eca7b760 | 2517 | char pool[ZFS_MAX_DATASET_NAME_LEN]; |
330d06f9 MA |
2518 | char *cp = pool; |
2519 | ||
2520 | /* get the pool name */ | |
2521 | (void) strlcpy(pool, zhp->zfs_name, sizeof (pool)); | |
2522 | (void) strsep(&cp, "/@"); | |
2523 | root = zfs_open(zhp->zfs_hdl, pool, | |
2524 | ZFS_TYPE_FILESYSTEM); | |
0a8f18f9 | 2525 | if (root == NULL) { |
2526 | nvlist_free(nv); | |
2527 | nvlist_free(value); | |
2528 | return (NULL); | |
2529 | } | |
330d06f9 MA |
2530 | |
2531 | (void) get_clones_cb(root, &gca); | |
2532 | } | |
2533 | ||
2534 | if (gca.numclones != 0 || | |
2535 | nvlist_add_nvlist(nv, ZPROP_VALUE, value) != 0 || | |
2536 | nvlist_add_nvlist(zhp->zfs_props, | |
2537 | zfs_prop_to_name(ZFS_PROP_CLONES), nv) != 0) { | |
2538 | nvlist_free(nv); | |
2539 | nvlist_free(value); | |
2540 | return (NULL); | |
2541 | } | |
2542 | nvlist_free(nv); | |
2543 | nvlist_free(value); | |
2544 | verify(0 == nvlist_lookup_nvlist(zhp->zfs_props, | |
2545 | zfs_prop_to_name(ZFS_PROP_CLONES), &nv)); | |
2546 | } | |
2547 | ||
2548 | verify(nvlist_lookup_nvlist(nv, ZPROP_VALUE, &value) == 0); | |
2549 | ||
2550 | return (value); | |
2551 | } | |
2552 | ||
d99a0153 CW |
2553 | /* |
2554 | * Accepts a property and value and checks that the value | |
2555 | * matches the one found by the channel program. If they are | |
2556 | * not equal, print both of them. | |
2557 | */ | |
2558 | static void | |
2559 | zcp_check(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t intval, | |
2560 | const char *strval) | |
2561 | { | |
2562 | if (!zhp->zfs_hdl->libzfs_prop_debug) | |
2563 | return; | |
2564 | int error; | |
2565 | char *poolname = zhp->zpool_hdl->zpool_name; | |
2566 | const char *prop_name = zfs_prop_to_name(prop); | |
2567 | const char *program = | |
2568 | "args = ...\n" | |
2569 | "ds = args['dataset']\n" | |
2570 | "prop = args['property']\n" | |
2571 | "value, setpoint = zfs.get_prop(ds, prop)\n" | |
2572 | "return {value=value, setpoint=setpoint}\n"; | |
2573 | nvlist_t *outnvl; | |
2574 | nvlist_t *retnvl; | |
2575 | nvlist_t *argnvl = fnvlist_alloc(); | |
2576 | ||
2577 | fnvlist_add_string(argnvl, "dataset", zhp->zfs_name); | |
2578 | fnvlist_add_string(argnvl, "property", zfs_prop_to_name(prop)); | |
2579 | ||
5b72a38d | 2580 | error = lzc_channel_program_nosync(poolname, program, |
d99a0153 CW |
2581 | 10 * 1000 * 1000, 10 * 1024 * 1024, argnvl, &outnvl); |
2582 | ||
2583 | if (error == 0) { | |
2584 | retnvl = fnvlist_lookup_nvlist(outnvl, "return"); | |
2585 | if (zfs_prop_get_type(prop) == PROP_TYPE_NUMBER) { | |
2586 | int64_t ans; | |
2587 | error = nvlist_lookup_int64(retnvl, "value", &ans); | |
2588 | if (error != 0) { | |
2589 | (void) fprintf(stderr, "%s: zcp check error: " | |
2590 | "%u\n", prop_name, error); | |
2591 | return; | |
2592 | } | |
2593 | if (ans != intval) { | |
2594 | (void) fprintf(stderr, "%s: zfs found %llu, " | |
2595 | "but zcp found %llu\n", prop_name, | |
2596 | (u_longlong_t)intval, (u_longlong_t)ans); | |
2597 | } | |
2598 | } else { | |
2599 | char *str_ans; | |
2600 | error = nvlist_lookup_string(retnvl, "value", &str_ans); | |
2601 | if (error != 0) { | |
2602 | (void) fprintf(stderr, "%s: zcp check error: " | |
2603 | "%u\n", prop_name, error); | |
2604 | return; | |
2605 | } | |
2606 | if (strcmp(strval, str_ans) != 0) { | |
2607 | (void) fprintf(stderr, | |
2608 | "%s: zfs found '%s', but zcp found '%s'\n", | |
2609 | prop_name, strval, str_ans); | |
2610 | } | |
2611 | } | |
2612 | } else { | |
2613 | (void) fprintf(stderr, "%s: zcp check failed, channel program " | |
2614 | "error: %u\n", prop_name, error); | |
2615 | } | |
2616 | nvlist_free(argnvl); | |
2617 | nvlist_free(outnvl); | |
2618 | } | |
2619 | ||
34dc7c2f BB |
2620 | /* |
2621 | * Retrieve a property from the given object. If 'literal' is specified, then | |
2622 | * numbers are left as exact values. Otherwise, numbers are converted to a | |
2623 | * human-readable form. | |
2624 | * | |
2625 | * Returns 0 on success, or -1 on error. | |
2626 | */ | |
2627 | int | |
2628 | zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, | |
2629 | zprop_source_t *src, char *statbuf, size_t statlen, boolean_t literal) | |
2630 | { | |
2631 | char *source = NULL; | |
2632 | uint64_t val; | |
47dfff3b | 2633 | const char *str; |
34dc7c2f | 2634 | const char *strval; |
428870ff | 2635 | boolean_t received = zfs_is_recvd_props_mode(zhp); |
34dc7c2f BB |
2636 | |
2637 | /* | |
2638 | * Check to see if this property applies to our object | |
2639 | */ | |
962d5242 | 2640 | if (!zfs_prop_valid_for_type(prop, zhp->zfs_type, B_FALSE)) |
34dc7c2f BB |
2641 | return (-1); |
2642 | ||
428870ff BB |
2643 | if (received && zfs_prop_readonly(prop)) |
2644 | return (-1); | |
2645 | ||
34dc7c2f BB |
2646 | if (src) |
2647 | *src = ZPROP_SRC_NONE; | |
2648 | ||
2649 | switch (prop) { | |
2650 | case ZFS_PROP_CREATION: | |
2651 | /* | |
2652 | * 'creation' is a time_t stored in the statistics. We convert | |
2653 | * this into a string unless 'literal' is specified. | |
2654 | */ | |
2655 | { | |
2656 | val = getprop_uint64(zhp, prop, &source); | |
2657 | time_t time = (time_t)val; | |
2658 | struct tm t; | |
2659 | ||
2660 | if (literal || | |
2661 | localtime_r(&time, &t) == NULL || | |
2662 | strftime(propbuf, proplen, "%a %b %e %k:%M %Y", | |
2663 | &t) == 0) | |
ba6a2402 | 2664 | (void) snprintf(propbuf, proplen, "%llu", |
02730c33 | 2665 | (u_longlong_t)val); |
34dc7c2f | 2666 | } |
d99a0153 | 2667 | zcp_check(zhp, prop, val, NULL); |
34dc7c2f BB |
2668 | break; |
2669 | ||
2670 | case ZFS_PROP_MOUNTPOINT: | |
2671 | /* | |
2672 | * Getting the precise mountpoint can be tricky. | |
2673 | * | |
2674 | * - for 'none' or 'legacy', return those values. | |
34dc7c2f BB |
2675 | * - for inherited mountpoints, we want to take everything |
2676 | * after our ancestor and append it to the inherited value. | |
2677 | * | |
2678 | * If the pool has an alternate root, we want to prepend that | |
2679 | * root to any values we return. | |
2680 | */ | |
b128c09f | 2681 | |
34dc7c2f BB |
2682 | str = getprop_string(zhp, prop, &source); |
2683 | ||
b128c09f BB |
2684 | if (str[0] == '/') { |
2685 | char buf[MAXPATHLEN]; | |
2686 | char *root = buf; | |
428870ff | 2687 | const char *relpath; |
34dc7c2f | 2688 | |
428870ff BB |
2689 | /* |
2690 | * If we inherit the mountpoint, even from a dataset | |
2691 | * with a received value, the source will be the path of | |
2692 | * the dataset we inherit from. If source is | |
2693 | * ZPROP_SOURCE_VAL_RECVD, the received value is not | |
2694 | * inherited. | |
2695 | */ | |
2696 | if (strcmp(source, ZPROP_SOURCE_VAL_RECVD) == 0) { | |
2697 | relpath = ""; | |
2698 | } else { | |
2699 | relpath = zhp->zfs_name + strlen(source); | |
2700 | if (relpath[0] == '/') | |
2701 | relpath++; | |
2702 | } | |
b128c09f BB |
2703 | |
2704 | if ((zpool_get_prop(zhp->zpool_hdl, | |
2a8b84b7 AS |
2705 | ZPOOL_PROP_ALTROOT, buf, MAXPATHLEN, NULL, |
2706 | B_FALSE)) || (strcmp(root, "-") == 0)) | |
b128c09f BB |
2707 | root[0] = '\0'; |
2708 | /* | |
2709 | * Special case an alternate root of '/'. This will | |
2710 | * avoid having multiple leading slashes in the | |
2711 | * mountpoint path. | |
2712 | */ | |
2713 | if (strcmp(root, "/") == 0) | |
2714 | root++; | |
2715 | ||
2716 | /* | |
2717 | * If the mountpoint is '/' then skip over this | |
2718 | * if we are obtaining either an alternate root or | |
2719 | * an inherited mountpoint. | |
2720 | */ | |
2721 | if (str[1] == '\0' && (root[0] != '\0' || | |
2722 | relpath[0] != '\0')) | |
34dc7c2f BB |
2723 | str++; |
2724 | ||
2725 | if (relpath[0] == '\0') | |
2726 | (void) snprintf(propbuf, proplen, "%s%s", | |
2727 | root, str); | |
2728 | else | |
2729 | (void) snprintf(propbuf, proplen, "%s%s%s%s", | |
2730 | root, str, relpath[0] == '@' ? "" : "/", | |
2731 | relpath); | |
2732 | } else { | |
2733 | /* 'legacy' or 'none' */ | |
2734 | (void) strlcpy(propbuf, str, proplen); | |
2735 | } | |
d99a0153 | 2736 | zcp_check(zhp, prop, 0, propbuf); |
34dc7c2f BB |
2737 | break; |
2738 | ||
2739 | case ZFS_PROP_ORIGIN: | |
47dfff3b MA |
2740 | str = getprop_string(zhp, prop, &source); |
2741 | if (str == NULL) | |
34dc7c2f | 2742 | return (-1); |
47dfff3b | 2743 | (void) strlcpy(propbuf, str, proplen); |
d99a0153 | 2744 | zcp_check(zhp, prop, 0, str); |
34dc7c2f BB |
2745 | break; |
2746 | ||
330d06f9 MA |
2747 | case ZFS_PROP_CLONES: |
2748 | if (get_clones_string(zhp, propbuf, proplen) != 0) | |
2749 | return (-1); | |
2750 | break; | |
2751 | ||
34dc7c2f BB |
2752 | case ZFS_PROP_QUOTA: |
2753 | case ZFS_PROP_REFQUOTA: | |
2754 | case ZFS_PROP_RESERVATION: | |
2755 | case ZFS_PROP_REFRESERVATION: | |
2756 | ||
2757 | if (get_numeric_property(zhp, prop, src, &source, &val) != 0) | |
2758 | return (-1); | |
34dc7c2f BB |
2759 | /* |
2760 | * If quota or reservation is 0, we translate this into 'none' | |
2761 | * (unless literal is set), and indicate that it's the default | |
2762 | * value. Otherwise, we print the number nicely and indicate | |
2763 | * that its set locally. | |
2764 | */ | |
2765 | if (val == 0) { | |
2766 | if (literal) | |
2767 | (void) strlcpy(propbuf, "0", proplen); | |
2768 | else | |
2769 | (void) strlcpy(propbuf, "none", proplen); | |
2770 | } else { | |
2771 | if (literal) | |
2772 | (void) snprintf(propbuf, proplen, "%llu", | |
2773 | (u_longlong_t)val); | |
2774 | else | |
e7fbeb60 | 2775 | zfs_nicebytes(val, propbuf, proplen); |
34dc7c2f | 2776 | } |
d99a0153 | 2777 | zcp_check(zhp, prop, val, NULL); |
34dc7c2f BB |
2778 | break; |
2779 | ||
788eb90c JJ |
2780 | case ZFS_PROP_FILESYSTEM_LIMIT: |
2781 | case ZFS_PROP_SNAPSHOT_LIMIT: | |
2782 | case ZFS_PROP_FILESYSTEM_COUNT: | |
2783 | case ZFS_PROP_SNAPSHOT_COUNT: | |
2784 | ||
2785 | if (get_numeric_property(zhp, prop, src, &source, &val) != 0) | |
2786 | return (-1); | |
2787 | ||
2788 | /* | |
2789 | * If limit is UINT64_MAX, we translate this into 'none' (unless | |
2790 | * literal is set), and indicate that it's the default value. | |
2791 | * Otherwise, we print the number nicely and indicate that it's | |
2792 | * set locally. | |
2793 | */ | |
2794 | if (literal) { | |
2795 | (void) snprintf(propbuf, proplen, "%llu", | |
2796 | (u_longlong_t)val); | |
2797 | } else if (val == UINT64_MAX) { | |
2798 | (void) strlcpy(propbuf, "none", proplen); | |
2799 | } else { | |
2800 | zfs_nicenum(val, propbuf, proplen); | |
2801 | } | |
d99a0153 CW |
2802 | |
2803 | zcp_check(zhp, prop, val, NULL); | |
788eb90c JJ |
2804 | break; |
2805 | ||
f5fc4aca | 2806 | case ZFS_PROP_REFRATIO: |
34dc7c2f BB |
2807 | case ZFS_PROP_COMPRESSRATIO: |
2808 | if (get_numeric_property(zhp, prop, src, &source, &val) != 0) | |
2809 | return (-1); | |
b0bd8ffe | 2810 | if (literal) |
2811 | (void) snprintf(propbuf, proplen, "%llu.%02llu", | |
2812 | (u_longlong_t)(val / 100), | |
2813 | (u_longlong_t)(val % 100)); | |
2814 | else | |
2815 | (void) snprintf(propbuf, proplen, "%llu.%02llux", | |
2816 | (u_longlong_t)(val / 100), | |
2817 | (u_longlong_t)(val % 100)); | |
d99a0153 | 2818 | zcp_check(zhp, prop, val, NULL); |
34dc7c2f BB |
2819 | break; |
2820 | ||
2821 | case ZFS_PROP_TYPE: | |
2822 | switch (zhp->zfs_type) { | |
2823 | case ZFS_TYPE_FILESYSTEM: | |
2824 | str = "filesystem"; | |
2825 | break; | |
2826 | case ZFS_TYPE_VOLUME: | |
2827 | str = "volume"; | |
2828 | break; | |
2829 | case ZFS_TYPE_SNAPSHOT: | |
2830 | str = "snapshot"; | |
2831 | break; | |
da536844 MA |
2832 | case ZFS_TYPE_BOOKMARK: |
2833 | str = "bookmark"; | |
2834 | break; | |
34dc7c2f BB |
2835 | default: |
2836 | abort(); | |
2837 | } | |
2838 | (void) snprintf(propbuf, proplen, "%s", str); | |
d99a0153 | 2839 | zcp_check(zhp, prop, 0, propbuf); |
34dc7c2f BB |
2840 | break; |
2841 | ||
2842 | case ZFS_PROP_MOUNTED: | |
2843 | /* | |
2844 | * The 'mounted' property is a pseudo-property that described | |
2845 | * whether the filesystem is currently mounted. Even though | |
2846 | * it's a boolean value, the typical values of "on" and "off" | |
2847 | * don't make sense, so we translate to "yes" and "no". | |
2848 | */ | |
2849 | if (get_numeric_property(zhp, ZFS_PROP_MOUNTED, | |
2850 | src, &source, &val) != 0) | |
2851 | return (-1); | |
2852 | if (val) | |
2853 | (void) strlcpy(propbuf, "yes", proplen); | |
2854 | else | |
2855 | (void) strlcpy(propbuf, "no", proplen); | |
2856 | break; | |
2857 | ||
2858 | case ZFS_PROP_NAME: | |
2859 | /* | |
2860 | * The 'name' property is a pseudo-property derived from the | |
2861 | * dataset name. It is presented as a real property to simplify | |
2862 | * consumers. | |
2863 | */ | |
2864 | (void) strlcpy(propbuf, zhp->zfs_name, proplen); | |
d99a0153 | 2865 | zcp_check(zhp, prop, 0, propbuf); |
34dc7c2f BB |
2866 | break; |
2867 | ||
428870ff BB |
2868 | case ZFS_PROP_MLSLABEL: |
2869 | { | |
d2c15e84 | 2870 | #ifdef HAVE_MLSLABEL |
428870ff BB |
2871 | m_label_t *new_sl = NULL; |
2872 | char *ascii = NULL; /* human readable label */ | |
2873 | ||
2874 | (void) strlcpy(propbuf, | |
2875 | getprop_string(zhp, prop, &source), proplen); | |
2876 | ||
2877 | if (literal || (strcasecmp(propbuf, | |
2878 | ZFS_MLSLABEL_DEFAULT) == 0)) | |
2879 | break; | |
2880 | ||
2881 | /* | |
2882 | * Try to translate the internal hex string to | |
2883 | * human-readable output. If there are any | |
2884 | * problems just use the hex string. | |
2885 | */ | |
2886 | ||
2887 | if (str_to_label(propbuf, &new_sl, MAC_LABEL, | |
2888 | L_NO_CORRECTION, NULL) == -1) { | |
2889 | m_label_free(new_sl); | |
2890 | break; | |
2891 | } | |
2892 | ||
2893 | if (label_to_str(new_sl, &ascii, M_LABEL, | |
2894 | DEF_NAMES) != 0) { | |
2895 | if (ascii) | |
2896 | free(ascii); | |
2897 | m_label_free(new_sl); | |
2898 | break; | |
2899 | } | |
2900 | m_label_free(new_sl); | |
2901 | ||
2902 | (void) strlcpy(propbuf, ascii, proplen); | |
2903 | free(ascii); | |
d2c15e84 BB |
2904 | #else |
2905 | (void) strlcpy(propbuf, | |
2906 | getprop_string(zhp, prop, &source), proplen); | |
2907 | #endif /* HAVE_MLSLABEL */ | |
428870ff BB |
2908 | } |
2909 | break; | |
2910 | ||
08b1b21d | 2911 | case ZFS_PROP_GUID: |
305bc4b3 | 2912 | case ZFS_PROP_CREATETXG: |
08b1b21d GA |
2913 | /* |
2914 | * GUIDs are stored as numbers, but they are identifiers. | |
2915 | * We don't want them to be pretty printed, because pretty | |
2916 | * printing mangles the ID into a truncated and useless value. | |
2917 | */ | |
2918 | if (get_numeric_property(zhp, prop, src, &source, &val) != 0) | |
2919 | return (-1); | |
2920 | (void) snprintf(propbuf, proplen, "%llu", (u_longlong_t)val); | |
d99a0153 | 2921 | zcp_check(zhp, prop, val, NULL); |
08b1b21d GA |
2922 | break; |
2923 | ||
e7fbeb60 | 2924 | case ZFS_PROP_REFERENCED: |
2925 | case ZFS_PROP_AVAILABLE: | |
2926 | case ZFS_PROP_USED: | |
2927 | case ZFS_PROP_USEDSNAP: | |
2928 | case ZFS_PROP_USEDDS: | |
2929 | case ZFS_PROP_USEDREFRESERV: | |
2930 | case ZFS_PROP_USEDCHILD: | |
2931 | if (get_numeric_property(zhp, prop, src, &source, &val) != 0) | |
2932 | return (-1); | |
d99a0153 | 2933 | if (literal) { |
e7fbeb60 | 2934 | (void) snprintf(propbuf, proplen, "%llu", |
2935 | (u_longlong_t)val); | |
d99a0153 | 2936 | } else { |
e7fbeb60 | 2937 | zfs_nicebytes(val, propbuf, proplen); |
d99a0153 CW |
2938 | } |
2939 | zcp_check(zhp, prop, val, NULL); | |
e7fbeb60 | 2940 | break; |
2941 | ||
34dc7c2f BB |
2942 | default: |
2943 | switch (zfs_prop_get_type(prop)) { | |
2944 | case PROP_TYPE_NUMBER: | |
2945 | if (get_numeric_property(zhp, prop, src, | |
d99a0153 | 2946 | &source, &val) != 0) { |
34dc7c2f | 2947 | return (-1); |
d99a0153 CW |
2948 | } |
2949 | ||
2950 | if (literal) { | |
34dc7c2f BB |
2951 | (void) snprintf(propbuf, proplen, "%llu", |
2952 | (u_longlong_t)val); | |
d99a0153 | 2953 | } else { |
34dc7c2f | 2954 | zfs_nicenum(val, propbuf, proplen); |
d99a0153 CW |
2955 | } |
2956 | zcp_check(zhp, prop, val, NULL); | |
34dc7c2f BB |
2957 | break; |
2958 | ||
2959 | case PROP_TYPE_STRING: | |
47dfff3b MA |
2960 | str = getprop_string(zhp, prop, &source); |
2961 | if (str == NULL) | |
2962 | return (-1); | |
d99a0153 | 2963 | |
47dfff3b | 2964 | (void) strlcpy(propbuf, str, proplen); |
d99a0153 | 2965 | zcp_check(zhp, prop, 0, str); |
34dc7c2f BB |
2966 | break; |
2967 | ||
2968 | case PROP_TYPE_INDEX: | |
2969 | if (get_numeric_property(zhp, prop, src, | |
2970 | &source, &val) != 0) | |
2971 | return (-1); | |
2972 | if (zfs_prop_index_to_string(prop, val, &strval) != 0) | |
2973 | return (-1); | |
d99a0153 | 2974 | |
34dc7c2f | 2975 | (void) strlcpy(propbuf, strval, proplen); |
d99a0153 | 2976 | zcp_check(zhp, prop, 0, strval); |
34dc7c2f BB |
2977 | break; |
2978 | ||
2979 | default: | |
2980 | abort(); | |
2981 | } | |
2982 | } | |
2983 | ||
2984 | get_source(zhp, src, source, statbuf, statlen); | |
2985 | ||
2986 | return (0); | |
2987 | } | |
2988 | ||
2989 | /* | |
2990 | * Utility function to get the given numeric property. Does no validation that | |
2991 | * the given property is the appropriate type; should only be used with | |
2992 | * hard-coded property types. | |
2993 | */ | |
2994 | uint64_t | |
2995 | zfs_prop_get_int(zfs_handle_t *zhp, zfs_prop_t prop) | |
2996 | { | |
2997 | char *source; | |
689f093e | 2998 | uint64_t val = 0; |
34dc7c2f BB |
2999 | |
3000 | (void) get_numeric_property(zhp, prop, NULL, &source, &val); | |
3001 | ||
3002 | return (val); | |
3003 | } | |
3004 | ||
3005 | int | |
3006 | zfs_prop_set_int(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t val) | |
3007 | { | |
3008 | char buf[64]; | |
3009 | ||
9babb374 | 3010 | (void) snprintf(buf, sizeof (buf), "%llu", (longlong_t)val); |
34dc7c2f BB |
3011 | return (zfs_prop_set(zhp, zfs_prop_to_name(prop), buf)); |
3012 | } | |
3013 | ||
3014 | /* | |
3015 | * Similar to zfs_prop_get(), but returns the value as an integer. | |
3016 | */ | |
3017 | int | |
3018 | zfs_prop_get_numeric(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t *value, | |
3019 | zprop_source_t *src, char *statbuf, size_t statlen) | |
3020 | { | |
3021 | char *source; | |
3022 | ||
3023 | /* | |
3024 | * Check to see if this property applies to our object | |
3025 | */ | |
962d5242 | 3026 | if (!zfs_prop_valid_for_type(prop, zhp->zfs_type, B_FALSE)) { |
34dc7c2f BB |
3027 | return (zfs_error_fmt(zhp->zfs_hdl, EZFS_PROPTYPE, |
3028 | dgettext(TEXT_DOMAIN, "cannot get property '%s'"), | |
3029 | zfs_prop_to_name(prop))); | |
3030 | } | |
3031 | ||
3032 | if (src) | |
3033 | *src = ZPROP_SRC_NONE; | |
3034 | ||
3035 | if (get_numeric_property(zhp, prop, src, &source, value) != 0) | |
3036 | return (-1); | |
3037 | ||
3038 | get_source(zhp, src, source, statbuf, statlen); | |
3039 | ||
3040 | return (0); | |
3041 | } | |
3042 | ||
be160928 | 3043 | #ifdef HAVE_IDMAP |
9babb374 BB |
3044 | static int |
3045 | idmap_id_to_numeric_domain_rid(uid_t id, boolean_t isuser, | |
3046 | char **domainp, idmap_rid_t *ridp) | |
3047 | { | |
9babb374 BB |
3048 | idmap_get_handle_t *get_hdl = NULL; |
3049 | idmap_stat status; | |
3050 | int err = EINVAL; | |
3051 | ||
572e2857 | 3052 | if (idmap_get_create(&get_hdl) != IDMAP_SUCCESS) |
9babb374 BB |
3053 | goto out; |
3054 | ||
3055 | if (isuser) { | |
3056 | err = idmap_get_sidbyuid(get_hdl, id, | |
3057 | IDMAP_REQ_FLG_USE_CACHE, domainp, ridp, &status); | |
3058 | } else { | |
3059 | err = idmap_get_sidbygid(get_hdl, id, | |
3060 | IDMAP_REQ_FLG_USE_CACHE, domainp, ridp, &status); | |
3061 | } | |
3062 | if (err == IDMAP_SUCCESS && | |
3063 | idmap_get_mappings(get_hdl) == IDMAP_SUCCESS && | |
3064 | status == IDMAP_SUCCESS) | |
3065 | err = 0; | |
3066 | else | |
3067 | err = EINVAL; | |
3068 | out: | |
3069 | if (get_hdl) | |
3070 | idmap_get_destroy(get_hdl); | |
9babb374 BB |
3071 | return (err); |
3072 | } | |
be160928 | 3073 | #endif /* HAVE_IDMAP */ |
9babb374 BB |
3074 | |
3075 | /* | |
3076 | * convert the propname into parameters needed by kernel | |
3077 | * Eg: userquota@ahrens -> ZFS_PROP_USERQUOTA, "", 126829 | |
3078 | * Eg: userused@matt@domain -> ZFS_PROP_USERUSED, "S-1-123-456", 789 | |
ada8ec1e SC |
3079 | * Eg: groupquota@staff -> ZFS_PROP_GROUPQUOTA, "", 1234 |
3080 | * Eg: groupused@staff -> ZFS_PROP_GROUPUSED, "", 1234 | |
9c5167d1 NF |
3081 | * Eg: projectquota@123 -> ZFS_PROP_PROJECTQUOTA, "", 123 |
3082 | * Eg: projectused@789 -> ZFS_PROP_PROJECTUSED, "", 789 | |
9babb374 BB |
3083 | */ |
3084 | static int | |
3085 | userquota_propname_decode(const char *propname, boolean_t zoned, | |
3086 | zfs_userquota_prop_t *typep, char *domain, int domainlen, uint64_t *ridp) | |
3087 | { | |
3088 | zfs_userquota_prop_t type; | |
ada8ec1e | 3089 | char *cp; |
9babb374 | 3090 | boolean_t isuser; |
ada8ec1e | 3091 | boolean_t isgroup; |
9c5167d1 | 3092 | boolean_t isproject; |
ada8ec1e SC |
3093 | struct passwd *pw; |
3094 | struct group *gr; | |
9babb374 BB |
3095 | |
3096 | domain[0] = '\0'; | |
3097 | ||
9c5167d1 | 3098 | /* Figure out the property type ({user|group|project}{quota|space}) */ |
9babb374 BB |
3099 | for (type = 0; type < ZFS_NUM_USERQUOTA_PROPS; type++) { |
3100 | if (strncmp(propname, zfs_userquota_prop_prefixes[type], | |
3101 | strlen(zfs_userquota_prop_prefixes[type])) == 0) | |
3102 | break; | |
3103 | } | |
3104 | if (type == ZFS_NUM_USERQUOTA_PROPS) | |
3105 | return (EINVAL); | |
3106 | *typep = type; | |
3107 | ||
1de321e6 | 3108 | isuser = (type == ZFS_PROP_USERQUOTA || type == ZFS_PROP_USERUSED || |
02730c33 BB |
3109 | type == ZFS_PROP_USEROBJQUOTA || |
3110 | type == ZFS_PROP_USEROBJUSED); | |
1de321e6 | 3111 | isgroup = (type == ZFS_PROP_GROUPQUOTA || type == ZFS_PROP_GROUPUSED || |
02730c33 BB |
3112 | type == ZFS_PROP_GROUPOBJQUOTA || |
3113 | type == ZFS_PROP_GROUPOBJUSED); | |
9c5167d1 NF |
3114 | isproject = (type == ZFS_PROP_PROJECTQUOTA || |
3115 | type == ZFS_PROP_PROJECTUSED || type == ZFS_PROP_PROJECTOBJQUOTA || | |
3116 | type == ZFS_PROP_PROJECTOBJUSED); | |
9babb374 BB |
3117 | |
3118 | cp = strchr(propname, '@') + 1; | |
3119 | ||
ada8ec1e SC |
3120 | if (isuser && (pw = getpwnam(cp)) != NULL) { |
3121 | if (zoned && getzoneid() == GLOBAL_ZONEID) | |
3122 | return (ENOENT); | |
3123 | *ridp = pw->pw_uid; | |
3124 | } else if (isgroup && (gr = getgrnam(cp)) != NULL) { | |
3125 | if (zoned && getzoneid() == GLOBAL_ZONEID) | |
3126 | return (ENOENT); | |
3127 | *ridp = gr->gr_gid; | |
9c5167d1 | 3128 | } else if (!isproject && strchr(cp, '@')) { |
be160928 | 3129 | #ifdef HAVE_IDMAP |
9babb374 BB |
3130 | /* |
3131 | * It's a SID name (eg "user@domain") that needs to be | |
45d1cae3 | 3132 | * turned into S-1-domainID-RID. |
9babb374 | 3133 | */ |
45d1cae3 | 3134 | directory_error_t e; |
ada8ec1e SC |
3135 | char *numericsid = NULL; |
3136 | char *end; | |
3137 | ||
9babb374 BB |
3138 | if (zoned && getzoneid() == GLOBAL_ZONEID) |
3139 | return (ENOENT); | |
45d1cae3 BB |
3140 | if (isuser) { |
3141 | e = directory_sid_from_user_name(NULL, | |
3142 | cp, &numericsid); | |
3143 | } else { | |
3144 | e = directory_sid_from_group_name(NULL, | |
3145 | cp, &numericsid); | |
3146 | } | |
3147 | if (e != NULL) { | |
3148 | directory_error_free(e); | |
9babb374 | 3149 | return (ENOENT); |
45d1cae3 BB |
3150 | } |
3151 | if (numericsid == NULL) | |
9babb374 | 3152 | return (ENOENT); |
45d1cae3 | 3153 | cp = numericsid; |
45d1cae3 | 3154 | (void) strlcpy(domain, cp, domainlen); |
9babb374 BB |
3155 | cp = strrchr(domain, '-'); |
3156 | *cp = '\0'; | |
3157 | cp++; | |
3158 | ||
3159 | errno = 0; | |
3160 | *ridp = strtoull(cp, &end, 10); | |
ada8ec1e SC |
3161 | free(numericsid); |
3162 | ||
9babb374 BB |
3163 | if (errno != 0 || *end != '\0') |
3164 | return (EINVAL); | |
ada8ec1e SC |
3165 | #else |
3166 | return (ENOSYS); | |
3167 | #endif /* HAVE_IDMAP */ | |
9babb374 | 3168 | } else { |
9c5167d1 | 3169 | /* It's a user/group/project ID (eg "12345"). */ |
ada8ec1e | 3170 | uid_t id; |
ada8ec1e | 3171 | char *end; |
ada8ec1e | 3172 | id = strtoul(cp, &end, 10); |
9babb374 BB |
3173 | if (*end != '\0') |
3174 | return (EINVAL); | |
9c5167d1 | 3175 | if (id > MAXUID && !isproject) { |
5e6320cd | 3176 | #ifdef HAVE_IDMAP |
9babb374 | 3177 | /* It's an ephemeral ID. */ |
5e6320cd MM |
3178 | idmap_rid_t rid; |
3179 | char *mapdomain; | |
3180 | ||
9babb374 BB |
3181 | if (idmap_id_to_numeric_domain_rid(id, isuser, |
3182 | &mapdomain, &rid) != 0) | |
3183 | return (ENOENT); | |
45d1cae3 | 3184 | (void) strlcpy(domain, mapdomain, domainlen); |
9babb374 | 3185 | *ridp = rid; |
5e6320cd MM |
3186 | #else |
3187 | return (ENOSYS); | |
3188 | #endif /* HAVE_IDMAP */ | |
9babb374 BB |
3189 | } else { |
3190 | *ridp = id; | |
3191 | } | |
3192 | } | |
3193 | ||
3194 | return (0); | |
3195 | } | |
3196 | ||
3197 | static int | |
3198 | zfs_prop_get_userquota_common(zfs_handle_t *zhp, const char *propname, | |
3199 | uint64_t *propvalue, zfs_userquota_prop_t *typep) | |
3200 | { | |
3201 | int err; | |
13fe0198 | 3202 | zfs_cmd_t zc = {"\0"}; |
9babb374 | 3203 | |
330d06f9 | 3204 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
9babb374 BB |
3205 | |
3206 | err = userquota_propname_decode(propname, | |
3207 | zfs_prop_get_int(zhp, ZFS_PROP_ZONED), | |
3208 | typep, zc.zc_value, sizeof (zc.zc_value), &zc.zc_guid); | |
3209 | zc.zc_objset_type = *typep; | |
3210 | if (err) | |
3211 | return (err); | |
3212 | ||
3213 | err = ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_USERSPACE_ONE, &zc); | |
3214 | if (err) | |
3215 | return (err); | |
3216 | ||
3217 | *propvalue = zc.zc_cookie; | |
3218 | return (0); | |
3219 | } | |
3220 | ||
3221 | int | |
3222 | zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname, | |
3223 | uint64_t *propvalue) | |
3224 | { | |
3225 | zfs_userquota_prop_t type; | |
3226 | ||
3227 | return (zfs_prop_get_userquota_common(zhp, propname, propvalue, | |
3228 | &type)); | |
3229 | } | |
3230 | ||
3231 | int | |
3232 | zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname, | |
3233 | char *propbuf, int proplen, boolean_t literal) | |
3234 | { | |
3235 | int err; | |
3236 | uint64_t propvalue; | |
3237 | zfs_userquota_prop_t type; | |
3238 | ||
3239 | err = zfs_prop_get_userquota_common(zhp, propname, &propvalue, | |
3240 | &type); | |
3241 | ||
3242 | if (err) | |
3243 | return (err); | |
3244 | ||
3245 | if (literal) { | |
b8864a23 | 3246 | (void) snprintf(propbuf, proplen, "%llu", |
ba6a2402 | 3247 | (u_longlong_t)propvalue); |
9babb374 | 3248 | } else if (propvalue == 0 && |
1de321e6 | 3249 | (type == ZFS_PROP_USERQUOTA || type == ZFS_PROP_GROUPQUOTA || |
9c5167d1 | 3250 | type == ZFS_PROP_USEROBJQUOTA || type == ZFS_PROP_GROUPOBJQUOTA || |
2705ebf0 NF |
3251 | type == ZFS_PROP_PROJECTQUOTA || |
3252 | type == ZFS_PROP_PROJECTOBJQUOTA)) { | |
9babb374 | 3253 | (void) strlcpy(propbuf, "none", proplen); |
e7fbeb60 | 3254 | } else if (type == ZFS_PROP_USERQUOTA || type == ZFS_PROP_GROUPQUOTA || |
9c5167d1 NF |
3255 | type == ZFS_PROP_USERUSED || type == ZFS_PROP_GROUPUSED || |
3256 | type == ZFS_PROP_PROJECTUSED || type == ZFS_PROP_PROJECTQUOTA) { | |
e7fbeb60 | 3257 | zfs_nicebytes(propvalue, propbuf, proplen); |
9babb374 BB |
3258 | } else { |
3259 | zfs_nicenum(propvalue, propbuf, proplen); | |
3260 | } | |
3261 | return (0); | |
3262 | } | |
3263 | ||
330d06f9 MA |
3264 | int |
3265 | zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname, | |
3266 | uint64_t *propvalue) | |
34dc7c2f | 3267 | { |
330d06f9 | 3268 | int err; |
13fe0198 | 3269 | zfs_cmd_t zc = {"\0"}; |
330d06f9 | 3270 | const char *snapname; |
34dc7c2f | 3271 | |
330d06f9 | 3272 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
34dc7c2f | 3273 | |
330d06f9 MA |
3274 | snapname = strchr(propname, '@') + 1; |
3275 | if (strchr(snapname, '@')) { | |
3276 | (void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value)); | |
3277 | } else { | |
3278 | /* snapname is the short name, append it to zhp's fsname */ | |
3279 | char *cp; | |
3280 | ||
3281 | (void) strlcpy(zc.zc_value, zhp->zfs_name, | |
3282 | sizeof (zc.zc_value)); | |
3283 | cp = strchr(zc.zc_value, '@'); | |
3284 | if (cp != NULL) | |
3285 | *cp = '\0'; | |
3286 | (void) strlcat(zc.zc_value, "@", sizeof (zc.zc_value)); | |
3287 | (void) strlcat(zc.zc_value, snapname, sizeof (zc.zc_value)); | |
3288 | } | |
fb5f0bc8 | 3289 | |
330d06f9 MA |
3290 | err = ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_SPACE_WRITTEN, &zc); |
3291 | if (err) | |
3292 | return (err); | |
fb5f0bc8 | 3293 | |
330d06f9 MA |
3294 | *propvalue = zc.zc_cookie; |
3295 | return (0); | |
fb5f0bc8 BB |
3296 | } |
3297 | ||
34dc7c2f | 3298 | int |
330d06f9 MA |
3299 | zfs_prop_get_written(zfs_handle_t *zhp, const char *propname, |
3300 | char *propbuf, int proplen, boolean_t literal) | |
34dc7c2f | 3301 | { |
330d06f9 MA |
3302 | int err; |
3303 | uint64_t propvalue; | |
34dc7c2f | 3304 | |
330d06f9 | 3305 | err = zfs_prop_get_written_int(zhp, propname, &propvalue); |
fb5f0bc8 | 3306 | |
330d06f9 MA |
3307 | if (err) |
3308 | return (err); | |
34dc7c2f | 3309 | |
330d06f9 | 3310 | if (literal) { |
ba6a2402 BB |
3311 | (void) snprintf(propbuf, proplen, "%llu", |
3312 | (u_longlong_t)propvalue); | |
330d06f9 | 3313 | } else { |
e7fbeb60 | 3314 | zfs_nicebytes(propvalue, propbuf, proplen); |
34dc7c2f | 3315 | } |
330d06f9 MA |
3316 | |
3317 | return (0); | |
34dc7c2f BB |
3318 | } |
3319 | ||
34dc7c2f | 3320 | /* |
330d06f9 | 3321 | * Returns the name of the given zfs handle. |
34dc7c2f | 3322 | */ |
330d06f9 MA |
3323 | const char * |
3324 | zfs_get_name(const zfs_handle_t *zhp) | |
34dc7c2f | 3325 | { |
330d06f9 MA |
3326 | return (zhp->zfs_name); |
3327 | } | |
34dc7c2f | 3328 | |
d21d5b82 GDN |
3329 | /* |
3330 | * Returns the name of the parent pool for the given zfs handle. | |
3331 | */ | |
3332 | const char * | |
3333 | zfs_get_pool_name(const zfs_handle_t *zhp) | |
3334 | { | |
3335 | return (zhp->zpool_hdl->zpool_name); | |
3336 | } | |
3337 | ||
330d06f9 MA |
3338 | /* |
3339 | * Returns the type of the given zfs handle. | |
3340 | */ | |
3341 | zfs_type_t | |
3342 | zfs_get_type(const zfs_handle_t *zhp) | |
3343 | { | |
3344 | return (zhp->zfs_type); | |
34dc7c2f BB |
3345 | } |
3346 | ||
428870ff BB |
3347 | /* |
3348 | * Is one dataset name a child dataset of another? | |
3349 | * | |
3350 | * Needs to handle these cases: | |
3351 | * Dataset 1 "a/foo" "a/foo" "a/foo" "a/foo" | |
3352 | * Dataset 2 "a/fo" "a/foobar" "a/bar/baz" "a/foo/bar" | |
3353 | * Descendant? No. No. No. Yes. | |
3354 | */ | |
3355 | static boolean_t | |
3356 | is_descendant(const char *ds1, const char *ds2) | |
3357 | { | |
3358 | size_t d1len = strlen(ds1); | |
3359 | ||
3360 | /* ds2 can't be a descendant if it's smaller */ | |
3361 | if (strlen(ds2) < d1len) | |
3362 | return (B_FALSE); | |
3363 | ||
3364 | /* otherwise, compare strings and verify that there's a '/' char */ | |
3365 | return (ds2[d1len] == '/' && (strncmp(ds1, ds2, d1len) == 0)); | |
3366 | } | |
3367 | ||
34dc7c2f BB |
3368 | /* |
3369 | * Given a complete name, return just the portion that refers to the parent. | |
330d06f9 MA |
3370 | * Will return -1 if there is no parent (path is just the name of the |
3371 | * pool). | |
34dc7c2f BB |
3372 | */ |
3373 | static int | |
3374 | parent_name(const char *path, char *buf, size_t buflen) | |
3375 | { | |
330d06f9 | 3376 | char *slashp; |
34dc7c2f | 3377 | |
330d06f9 | 3378 | (void) strlcpy(buf, path, buflen); |
34dc7c2f | 3379 | |
330d06f9 MA |
3380 | if ((slashp = strrchr(buf, '/')) == NULL) |
3381 | return (-1); | |
3382 | *slashp = '\0'; | |
34dc7c2f BB |
3383 | |
3384 | return (0); | |
3385 | } | |
3386 | ||
b5256303 TC |
3387 | int |
3388 | zfs_parent_name(zfs_handle_t *zhp, char *buf, size_t buflen) | |
3389 | { | |
3390 | return (parent_name(zfs_get_name(zhp), buf, buflen)); | |
3391 | } | |
3392 | ||
34dc7c2f BB |
3393 | /* |
3394 | * If accept_ancestor is false, then check to make sure that the given path has | |
3395 | * a parent, and that it exists. If accept_ancestor is true, then find the | |
3396 | * closest existing ancestor for the given path. In prefixlen return the | |
3397 | * length of already existing prefix of the given path. We also fetch the | |
3398 | * 'zoned' property, which is used to validate property settings when creating | |
3399 | * new datasets. | |
3400 | */ | |
3401 | static int | |
3402 | check_parents(libzfs_handle_t *hdl, const char *path, uint64_t *zoned, | |
3403 | boolean_t accept_ancestor, int *prefixlen) | |
3404 | { | |
13fe0198 | 3405 | zfs_cmd_t zc = {"\0"}; |
eca7b760 | 3406 | char parent[ZFS_MAX_DATASET_NAME_LEN]; |
34dc7c2f BB |
3407 | char *slash; |
3408 | zfs_handle_t *zhp; | |
3409 | char errbuf[1024]; | |
428870ff | 3410 | uint64_t is_zoned; |
34dc7c2f | 3411 | |
fb5f0bc8 BB |
3412 | (void) snprintf(errbuf, sizeof (errbuf), |
3413 | dgettext(TEXT_DOMAIN, "cannot create '%s'"), path); | |
34dc7c2f BB |
3414 | |
3415 | /* get parent, and check to see if this is just a pool */ | |
3416 | if (parent_name(path, parent, sizeof (parent)) != 0) { | |
3417 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3418 | "missing dataset name")); | |
3419 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
3420 | } | |
3421 | ||
3422 | /* check to see if the pool exists */ | |
3423 | if ((slash = strchr(parent, '/')) == NULL) | |
3424 | slash = parent + strlen(parent); | |
3425 | (void) strncpy(zc.zc_name, parent, slash - parent); | |
3426 | zc.zc_name[slash - parent] = '\0'; | |
3427 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, &zc) != 0 && | |
3428 | errno == ENOENT) { | |
3429 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3430 | "no such pool '%s'"), zc.zc_name); | |
3431 | return (zfs_error(hdl, EZFS_NOENT, errbuf)); | |
3432 | } | |
3433 | ||
3434 | /* check to see if the parent dataset exists */ | |
3435 | while ((zhp = make_dataset_handle(hdl, parent)) == NULL) { | |
3436 | if (errno == ENOENT && accept_ancestor) { | |
3437 | /* | |
3438 | * Go deeper to find an ancestor, give up on top level. | |
3439 | */ | |
3440 | if (parent_name(parent, parent, sizeof (parent)) != 0) { | |
3441 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3442 | "no such pool '%s'"), zc.zc_name); | |
3443 | return (zfs_error(hdl, EZFS_NOENT, errbuf)); | |
3444 | } | |
3445 | } else if (errno == ENOENT) { | |
3446 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3447 | "parent does not exist")); | |
3448 | return (zfs_error(hdl, EZFS_NOENT, errbuf)); | |
3449 | } else | |
3450 | return (zfs_standard_error(hdl, errno, errbuf)); | |
3451 | } | |
3452 | ||
428870ff BB |
3453 | is_zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); |
3454 | if (zoned != NULL) | |
3455 | *zoned = is_zoned; | |
3456 | ||
34dc7c2f | 3457 | /* we are in a non-global zone, but parent is in the global zone */ |
428870ff | 3458 | if (getzoneid() != GLOBAL_ZONEID && !is_zoned) { |
34dc7c2f BB |
3459 | (void) zfs_standard_error(hdl, EPERM, errbuf); |
3460 | zfs_close(zhp); | |
3461 | return (-1); | |
3462 | } | |
3463 | ||
3464 | /* make sure parent is a filesystem */ | |
3465 | if (zfs_get_type(zhp) != ZFS_TYPE_FILESYSTEM) { | |
3466 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3467 | "parent is not a filesystem")); | |
3468 | (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); | |
3469 | zfs_close(zhp); | |
3470 | return (-1); | |
3471 | } | |
3472 | ||
3473 | zfs_close(zhp); | |
3474 | if (prefixlen != NULL) | |
3475 | *prefixlen = strlen(parent); | |
3476 | return (0); | |
3477 | } | |
3478 | ||
3479 | /* | |
3480 | * Finds whether the dataset of the given type(s) exists. | |
3481 | */ | |
3482 | boolean_t | |
3483 | zfs_dataset_exists(libzfs_handle_t *hdl, const char *path, zfs_type_t types) | |
3484 | { | |
3485 | zfs_handle_t *zhp; | |
3486 | ||
3487 | if (!zfs_validate_name(hdl, path, types, B_FALSE)) | |
3488 | return (B_FALSE); | |
3489 | ||
3490 | /* | |
3491 | * Try to get stats for the dataset, which will tell us if it exists. | |
3492 | */ | |
3493 | if ((zhp = make_dataset_handle(hdl, path)) != NULL) { | |
3494 | int ds_type = zhp->zfs_type; | |
3495 | ||
3496 | zfs_close(zhp); | |
3497 | if (types & ds_type) | |
3498 | return (B_TRUE); | |
3499 | } | |
3500 | return (B_FALSE); | |
3501 | } | |
3502 | ||
3503 | /* | |
3504 | * Given a path to 'target', create all the ancestors between | |
3505 | * the prefixlen portion of the path, and the target itself. | |
3506 | * Fail if the initial prefixlen-ancestor does not already exist. | |
3507 | */ | |
3508 | int | |
3509 | create_parents(libzfs_handle_t *hdl, char *target, int prefixlen) | |
3510 | { | |
3511 | zfs_handle_t *h; | |
3512 | char *cp; | |
3513 | const char *opname; | |
3514 | ||
3515 | /* make sure prefix exists */ | |
3516 | cp = target + prefixlen; | |
3517 | if (*cp != '/') { | |
3518 | assert(strchr(cp, '/') == NULL); | |
3519 | h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); | |
3520 | } else { | |
3521 | *cp = '\0'; | |
3522 | h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); | |
3523 | *cp = '/'; | |
3524 | } | |
3525 | if (h == NULL) | |
3526 | return (-1); | |
3527 | zfs_close(h); | |
3528 | ||
3529 | /* | |
3530 | * Attempt to create, mount, and share any ancestor filesystems, | |
3531 | * up to the prefixlen-long one. | |
3532 | */ | |
3533 | for (cp = target + prefixlen + 1; | |
23d70cde | 3534 | (cp = strchr(cp, '/')) != NULL; *cp = '/', cp++) { |
34dc7c2f BB |
3535 | |
3536 | *cp = '\0'; | |
3537 | ||
3538 | h = make_dataset_handle(hdl, target); | |
3539 | if (h) { | |
3540 | /* it already exists, nothing to do here */ | |
3541 | zfs_close(h); | |
3542 | continue; | |
3543 | } | |
3544 | ||
34dc7c2f BB |
3545 | if (zfs_create(hdl, target, ZFS_TYPE_FILESYSTEM, |
3546 | NULL) != 0) { | |
34dc7c2f BB |
3547 | opname = dgettext(TEXT_DOMAIN, "create"); |
3548 | goto ancestorerr; | |
3549 | } | |
3550 | ||
34dc7c2f BB |
3551 | h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); |
3552 | if (h == NULL) { | |
3553 | opname = dgettext(TEXT_DOMAIN, "open"); | |
3554 | goto ancestorerr; | |
3555 | } | |
3556 | ||
3557 | if (zfs_mount(h, NULL, 0) != 0) { | |
3558 | opname = dgettext(TEXT_DOMAIN, "mount"); | |
3559 | goto ancestorerr; | |
3560 | } | |
3561 | ||
3562 | if (zfs_share(h) != 0) { | |
3563 | opname = dgettext(TEXT_DOMAIN, "share"); | |
3564 | goto ancestorerr; | |
3565 | } | |
3566 | ||
3567 | zfs_close(h); | |
3568 | } | |
3569 | ||
3570 | return (0); | |
3571 | ||
3572 | ancestorerr: | |
3573 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3574 | "failed to %s ancestor '%s'"), opname, target); | |
3575 | return (-1); | |
3576 | } | |
3577 | ||
3578 | /* | |
3579 | * Creates non-existing ancestors of the given path. | |
3580 | */ | |
3581 | int | |
3582 | zfs_create_ancestors(libzfs_handle_t *hdl, const char *path) | |
3583 | { | |
3584 | int prefix; | |
34dc7c2f | 3585 | char *path_copy; |
d4ed6673 | 3586 | int rc = 0; |
34dc7c2f | 3587 | |
428870ff | 3588 | if (check_parents(hdl, path, NULL, B_TRUE, &prefix) != 0) |
34dc7c2f BB |
3589 | return (-1); |
3590 | ||
3591 | if ((path_copy = strdup(path)) != NULL) { | |
3592 | rc = create_parents(hdl, path_copy, prefix); | |
3593 | free(path_copy); | |
3594 | } | |
3595 | if (path_copy == NULL || rc != 0) | |
3596 | return (-1); | |
3597 | ||
3598 | return (0); | |
3599 | } | |
3600 | ||
3601 | /* | |
3602 | * Create a new filesystem or volume. | |
3603 | */ | |
3604 | int | |
3605 | zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type, | |
3606 | nvlist_t *props) | |
3607 | { | |
34dc7c2f BB |
3608 | int ret; |
3609 | uint64_t size = 0; | |
3610 | uint64_t blocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE); | |
34dc7c2f | 3611 | uint64_t zoned; |
e67a7ffb | 3612 | enum lzc_dataset_type ost; |
78d95eaa | 3613 | zpool_handle_t *zpool_handle; |
b5256303 TC |
3614 | uint8_t *wkeydata = NULL; |
3615 | uint_t wkeylen = 0; | |
3616 | char errbuf[1024]; | |
3617 | char parent[ZFS_MAX_DATASET_NAME_LEN]; | |
34dc7c2f BB |
3618 | |
3619 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
3620 | "cannot create '%s'"), path); | |
3621 | ||
3622 | /* validate the path, taking care to note the extended error message */ | |
3623 | if (!zfs_validate_name(hdl, path, type, B_TRUE)) | |
3624 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
3625 | ||
3626 | /* validate parents exist */ | |
3627 | if (check_parents(hdl, path, &zoned, B_FALSE, NULL) != 0) | |
3628 | return (-1); | |
3629 | ||
3630 | /* | |
3631 | * The failure modes when creating a dataset of a different type over | |
3632 | * one that already exists is a little strange. In particular, if you | |
3633 | * try to create a dataset on top of an existing dataset, the ioctl() | |
3634 | * will return ENOENT, not EEXIST. To prevent this from happening, we | |
3635 | * first try to see if the dataset exists. | |
3636 | */ | |
6f1ffb06 | 3637 | if (zfs_dataset_exists(hdl, path, ZFS_TYPE_DATASET)) { |
34dc7c2f BB |
3638 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3639 | "dataset already exists")); | |
3640 | return (zfs_error(hdl, EZFS_EXISTS, errbuf)); | |
3641 | } | |
3642 | ||
3643 | if (type == ZFS_TYPE_VOLUME) | |
e67a7ffb | 3644 | ost = LZC_DATSET_TYPE_ZVOL; |
34dc7c2f | 3645 | else |
e67a7ffb | 3646 | ost = LZC_DATSET_TYPE_ZFS; |
34dc7c2f | 3647 | |
82f6f6e6 | 3648 | /* open zpool handle for prop validation */ |
eca7b760 | 3649 | char pool_path[ZFS_MAX_DATASET_NAME_LEN]; |
82f6f6e6 JS |
3650 | (void) strlcpy(pool_path, path, sizeof (pool_path)); |
3651 | ||
3652 | /* truncate pool_path at first slash */ | |
3653 | char *p = strchr(pool_path, '/'); | |
3654 | if (p != NULL) | |
3655 | *p = '\0'; | |
3656 | ||
78d95eaa | 3657 | if ((zpool_handle = zpool_open(hdl, pool_path)) == NULL) |
3658 | return (-1); | |
82f6f6e6 | 3659 | |
b128c09f | 3660 | if (props && (props = zfs_valid_proplist(hdl, type, props, |
b5256303 | 3661 | zoned, NULL, zpool_handle, B_TRUE, errbuf)) == 0) { |
82f6f6e6 | 3662 | zpool_close(zpool_handle); |
34dc7c2f | 3663 | return (-1); |
82f6f6e6 JS |
3664 | } |
3665 | zpool_close(zpool_handle); | |
34dc7c2f BB |
3666 | |
3667 | if (type == ZFS_TYPE_VOLUME) { | |
3668 | /* | |
3669 | * If we are creating a volume, the size and block size must | |
3670 | * satisfy a few restraints. First, the blocksize must be a | |
3671 | * valid block size between SPA_{MIN,MAX}BLOCKSIZE. Second, the | |
3672 | * volsize must be a multiple of the block size, and cannot be | |
3673 | * zero. | |
3674 | */ | |
3675 | if (props == NULL || nvlist_lookup_uint64(props, | |
3676 | zfs_prop_to_name(ZFS_PROP_VOLSIZE), &size) != 0) { | |
3677 | nvlist_free(props); | |
3678 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3679 | "missing volume size")); | |
3680 | return (zfs_error(hdl, EZFS_BADPROP, errbuf)); | |
3681 | } | |
3682 | ||
3683 | if ((ret = nvlist_lookup_uint64(props, | |
3684 | zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
3685 | &blocksize)) != 0) { | |
3686 | if (ret == ENOENT) { | |
3687 | blocksize = zfs_prop_default_numeric( | |
3688 | ZFS_PROP_VOLBLOCKSIZE); | |
3689 | } else { | |
3690 | nvlist_free(props); | |
3691 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3692 | "missing volume block size")); | |
3693 | return (zfs_error(hdl, EZFS_BADPROP, errbuf)); | |
3694 | } | |
3695 | } | |
3696 | ||
3697 | if (size == 0) { | |
3698 | nvlist_free(props); | |
3699 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3700 | "volume size cannot be zero")); | |
3701 | return (zfs_error(hdl, EZFS_BADPROP, errbuf)); | |
3702 | } | |
3703 | ||
3704 | if (size % blocksize != 0) { | |
3705 | nvlist_free(props); | |
3706 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3707 | "volume size must be a multiple of volume block " | |
3708 | "size")); | |
3709 | return (zfs_error(hdl, EZFS_BADPROP, errbuf)); | |
3710 | } | |
3711 | } | |
3712 | ||
b5256303 TC |
3713 | (void) parent_name(path, parent, sizeof (parent)); |
3714 | if (zfs_crypto_create(hdl, parent, props, NULL, &wkeydata, | |
3715 | &wkeylen) != 0) { | |
3716 | nvlist_free(props); | |
3717 | return (zfs_error(hdl, EZFS_CRYPTOFAILED, errbuf)); | |
3718 | } | |
3719 | ||
34dc7c2f | 3720 | /* create the dataset */ |
b5256303 | 3721 | ret = lzc_create(path, ost, props, wkeydata, wkeylen); |
6f1ffb06 | 3722 | nvlist_free(props); |
b5256303 TC |
3723 | if (wkeydata != NULL) |
3724 | free(wkeydata); | |
34dc7c2f | 3725 | |
34dc7c2f BB |
3726 | /* check for failure */ |
3727 | if (ret != 0) { | |
34dc7c2f BB |
3728 | switch (errno) { |
3729 | case ENOENT: | |
3730 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3731 | "no such parent '%s'"), parent); | |
3732 | return (zfs_error(hdl, EZFS_NOENT, errbuf)); | |
3733 | ||
3734 | case EINVAL: | |
3735 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3736 | "parent '%s' is not a filesystem"), parent); | |
3737 | return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); | |
3738 | ||
34dc7c2f BB |
3739 | case ENOTSUP: |
3740 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3741 | "pool must be upgraded to set this " | |
3742 | "property or value")); | |
3743 | return (zfs_error(hdl, EZFS_BADVERSION, errbuf)); | |
b5256303 TC |
3744 | |
3745 | case EACCES: | |
3746 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3747 | "encryption root's key is not loaded " | |
3748 | "or provided")); | |
3749 | return (zfs_error(hdl, EZFS_CRYPTOFAILED, errbuf)); | |
3750 | ||
bcb1a8a2 YP |
3751 | case ERANGE: |
3752 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3753 | "invalid property value(s) specified")); | |
3754 | return (zfs_error(hdl, EZFS_BADPROP, errbuf)); | |
34dc7c2f BB |
3755 | #ifdef _ILP32 |
3756 | case EOVERFLOW: | |
3757 | /* | |
3758 | * This platform can't address a volume this big. | |
3759 | */ | |
3760 | if (type == ZFS_TYPE_VOLUME) | |
3761 | return (zfs_error(hdl, EZFS_VOLTOOBIG, | |
3762 | errbuf)); | |
3763 | #endif | |
3764 | /* FALLTHROUGH */ | |
3765 | default: | |
3766 | return (zfs_standard_error(hdl, errno, errbuf)); | |
3767 | } | |
3768 | } | |
3769 | ||
3770 | return (0); | |
3771 | } | |
3772 | ||
3773 | /* | |
3774 | * Destroys the given dataset. The caller must make sure that the filesystem | |
e956d651 CS |
3775 | * isn't mounted, and that there are no active dependents. If the file system |
3776 | * does not exist this function does nothing. | |
34dc7c2f BB |
3777 | */ |
3778 | int | |
45d1cae3 | 3779 | zfs_destroy(zfs_handle_t *zhp, boolean_t defer) |
34dc7c2f | 3780 | { |
13fe0198 | 3781 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f | 3782 | |
da536844 MA |
3783 | if (zhp->zfs_type == ZFS_TYPE_BOOKMARK) { |
3784 | nvlist_t *nv = fnvlist_alloc(); | |
3785 | fnvlist_add_boolean(nv, zhp->zfs_name); | |
3786 | int error = lzc_destroy_bookmarks(nv, NULL); | |
3787 | fnvlist_free(nv); | |
3788 | if (error != 0) { | |
3789 | return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, | |
3790 | dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), | |
3791 | zhp->zfs_name)); | |
3792 | } | |
3793 | return (0); | |
3794 | } | |
3795 | ||
34dc7c2f BB |
3796 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
3797 | ||
3798 | if (ZFS_IS_VOLUME(zhp)) { | |
34dc7c2f BB |
3799 | zc.zc_objset_type = DMU_OST_ZVOL; |
3800 | } else { | |
3801 | zc.zc_objset_type = DMU_OST_ZFS; | |
3802 | } | |
3803 | ||
45d1cae3 | 3804 | zc.zc_defer_destroy = defer; |
e956d651 CS |
3805 | if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0 && |
3806 | errno != ENOENT) { | |
34dc7c2f BB |
3807 | return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, |
3808 | dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), | |
3809 | zhp->zfs_name)); | |
3810 | } | |
3811 | ||
3812 | remove_mountpoint(zhp); | |
3813 | ||
3814 | return (0); | |
3815 | } | |
3816 | ||
3817 | struct destroydata { | |
330d06f9 MA |
3818 | nvlist_t *nvl; |
3819 | const char *snapname; | |
34dc7c2f BB |
3820 | }; |
3821 | ||
3822 | static int | |
428870ff | 3823 | zfs_check_snap_cb(zfs_handle_t *zhp, void *arg) |
34dc7c2f BB |
3824 | { |
3825 | struct destroydata *dd = arg; | |
eca7b760 | 3826 | char name[ZFS_MAX_DATASET_NAME_LEN]; |
428870ff | 3827 | int rv = 0; |
34dc7c2f | 3828 | |
682ce104 TH |
3829 | if (snprintf(name, sizeof (name), "%s@%s", zhp->zfs_name, |
3830 | dd->snapname) >= sizeof (name)) | |
3831 | return (EINVAL); | |
34dc7c2f | 3832 | |
95fd54a1 | 3833 | if (lzc_exists(name)) |
330d06f9 | 3834 | verify(nvlist_add_boolean(dd->nvl, name) == 0); |
34dc7c2f | 3835 | |
330d06f9 MA |
3836 | rv = zfs_iter_filesystems(zhp, zfs_check_snap_cb, dd); |
3837 | zfs_close(zhp); | |
34dc7c2f BB |
3838 | return (rv); |
3839 | } | |
3840 | ||
3841 | /* | |
3842 | * Destroys all snapshots with the given name in zhp & descendants. | |
3843 | */ | |
3844 | int | |
45d1cae3 | 3845 | zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname, boolean_t defer) |
34dc7c2f | 3846 | { |
34dc7c2f BB |
3847 | int ret; |
3848 | struct destroydata dd = { 0 }; | |
3849 | ||
3850 | dd.snapname = snapname; | |
330d06f9 MA |
3851 | verify(nvlist_alloc(&dd.nvl, NV_UNIQUE_NAME, 0) == 0); |
3852 | (void) zfs_check_snap_cb(zfs_handle_dup(zhp), &dd); | |
34dc7c2f | 3853 | |
95fd54a1 | 3854 | if (nvlist_empty(dd.nvl)) { |
330d06f9 | 3855 | ret = zfs_standard_error_fmt(zhp->zfs_hdl, ENOENT, |
34dc7c2f | 3856 | dgettext(TEXT_DOMAIN, "cannot destroy '%s@%s'"), |
330d06f9 MA |
3857 | zhp->zfs_name, snapname); |
3858 | } else { | |
13fe0198 | 3859 | ret = zfs_destroy_snaps_nvl(zhp->zfs_hdl, dd.nvl, defer); |
34dc7c2f | 3860 | } |
330d06f9 MA |
3861 | nvlist_free(dd.nvl); |
3862 | return (ret); | |
3863 | } | |
3864 | ||
3865 | /* | |
13fe0198 | 3866 | * Destroys all the snapshots named in the nvlist. |
330d06f9 MA |
3867 | */ |
3868 | int | |
13fe0198 | 3869 | zfs_destroy_snaps_nvl(libzfs_handle_t *hdl, nvlist_t *snaps, boolean_t defer) |
330d06f9 MA |
3870 | { |
3871 | int ret; | |
b3744ae6 | 3872 | nvlist_t *errlist = NULL; |
13fe0198 | 3873 | nvpair_t *pair; |
34dc7c2f | 3874 | |
6f1ffb06 | 3875 | ret = lzc_destroy_snaps(snaps, defer, &errlist); |
34dc7c2f | 3876 | |
b3744ae6 CW |
3877 | if (ret == 0) { |
3878 | nvlist_free(errlist); | |
13fe0198 | 3879 | return (0); |
b3744ae6 | 3880 | } |
34dc7c2f | 3881 | |
95fd54a1 | 3882 | if (nvlist_empty(errlist)) { |
13fe0198 MA |
3883 | char errbuf[1024]; |
3884 | (void) snprintf(errbuf, sizeof (errbuf), | |
3885 | dgettext(TEXT_DOMAIN, "cannot destroy snapshots")); | |
3886 | ||
3887 | ret = zfs_standard_error(hdl, ret, errbuf); | |
3888 | } | |
3889 | for (pair = nvlist_next_nvpair(errlist, NULL); | |
3890 | pair != NULL; pair = nvlist_next_nvpair(errlist, pair)) { | |
3891 | char errbuf[1024]; | |
3892 | (void) snprintf(errbuf, sizeof (errbuf), | |
3893 | dgettext(TEXT_DOMAIN, "cannot destroy snapshot %s"), | |
3894 | nvpair_name(pair)); | |
3895 | ||
3896 | switch (fnvpair_value_int32(pair)) { | |
3897 | case EEXIST: | |
3898 | zfs_error_aux(hdl, | |
3899 | dgettext(TEXT_DOMAIN, "snapshot is cloned")); | |
3900 | ret = zfs_error(hdl, EZFS_EXISTS, errbuf); | |
3901 | break; | |
3902 | default: | |
3903 | ret = zfs_standard_error(hdl, errno, errbuf); | |
3904 | break; | |
34dc7c2f BB |
3905 | } |
3906 | } | |
3907 | ||
b3744ae6 | 3908 | nvlist_free(errlist); |
6f1ffb06 | 3909 | return (ret); |
34dc7c2f BB |
3910 | } |
3911 | ||
3912 | /* | |
3913 | * Clones the given dataset. The target must be of the same type as the source. | |
3914 | */ | |
3915 | int | |
3916 | zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props) | |
3917 | { | |
eca7b760 | 3918 | char parent[ZFS_MAX_DATASET_NAME_LEN]; |
34dc7c2f BB |
3919 | int ret; |
3920 | char errbuf[1024]; | |
3921 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
34dc7c2f BB |
3922 | uint64_t zoned; |
3923 | ||
3924 | assert(zhp->zfs_type == ZFS_TYPE_SNAPSHOT); | |
3925 | ||
3926 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
3927 | "cannot create '%s'"), target); | |
3928 | ||
330d06f9 | 3929 | /* validate the target/clone name */ |
34dc7c2f BB |
3930 | if (!zfs_validate_name(hdl, target, ZFS_TYPE_FILESYSTEM, B_TRUE)) |
3931 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
3932 | ||
3933 | /* validate parents exist */ | |
3934 | if (check_parents(hdl, target, &zoned, B_FALSE, NULL) != 0) | |
3935 | return (-1); | |
3936 | ||
3937 | (void) parent_name(target, parent, sizeof (parent)); | |
3938 | ||
3939 | /* do the clone */ | |
34dc7c2f BB |
3940 | |
3941 | if (props) { | |
6f1ffb06 | 3942 | zfs_type_t type; |
d22f3a82 | 3943 | |
6f1ffb06 MA |
3944 | if (ZFS_IS_VOLUME(zhp)) { |
3945 | type = ZFS_TYPE_VOLUME; | |
3946 | } else { | |
3947 | type = ZFS_TYPE_FILESYSTEM; | |
3948 | } | |
b128c09f | 3949 | if ((props = zfs_valid_proplist(hdl, type, props, zoned, |
b5256303 | 3950 | zhp, zhp->zpool_hdl, B_TRUE, errbuf)) == NULL) |
34dc7c2f | 3951 | return (-1); |
d22f3a82 MG |
3952 | if (zfs_fix_auto_resv(zhp, props) == -1) { |
3953 | nvlist_free(props); | |
3954 | return (-1); | |
3955 | } | |
34dc7c2f BB |
3956 | } |
3957 | ||
b5256303 TC |
3958 | if (zfs_crypto_clone_check(hdl, zhp, parent, props) != 0) { |
3959 | nvlist_free(props); | |
3960 | return (zfs_error(hdl, EZFS_CRYPTOFAILED, errbuf)); | |
3961 | } | |
3962 | ||
6f1ffb06 MA |
3963 | ret = lzc_clone(target, zhp->zfs_name, props); |
3964 | nvlist_free(props); | |
34dc7c2f BB |
3965 | |
3966 | if (ret != 0) { | |
3967 | switch (errno) { | |
3968 | ||
3969 | case ENOENT: | |
3970 | /* | |
3971 | * The parent doesn't exist. We should have caught this | |
3972 | * above, but there may a race condition that has since | |
3973 | * destroyed the parent. | |
3974 | * | |
3975 | * At this point, we don't know whether it's the source | |
3976 | * that doesn't exist anymore, or whether the target | |
3977 | * dataset doesn't exist. | |
3978 | */ | |
3979 | zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, | |
3980 | "no such parent '%s'"), parent); | |
3981 | return (zfs_error(zhp->zfs_hdl, EZFS_NOENT, errbuf)); | |
3982 | ||
3983 | case EXDEV: | |
3984 | zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, | |
3985 | "source and target pools differ")); | |
3986 | return (zfs_error(zhp->zfs_hdl, EZFS_CROSSTARGET, | |
3987 | errbuf)); | |
3988 | ||
3989 | default: | |
3990 | return (zfs_standard_error(zhp->zfs_hdl, errno, | |
3991 | errbuf)); | |
3992 | } | |
34dc7c2f BB |
3993 | } |
3994 | ||
3995 | return (ret); | |
3996 | } | |
3997 | ||
34dc7c2f BB |
3998 | /* |
3999 | * Promotes the given clone fs to be the clone parent. | |
4000 | */ | |
4001 | int | |
4002 | zfs_promote(zfs_handle_t *zhp) | |
4003 | { | |
4004 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
d12f91fd | 4005 | char snapname[ZFS_MAX_DATASET_NAME_LEN]; |
34dc7c2f | 4006 | int ret; |
34dc7c2f BB |
4007 | char errbuf[1024]; |
4008 | ||
4009 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
4010 | "cannot promote '%s'"), zhp->zfs_name); | |
4011 | ||
4012 | if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { | |
4013 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4014 | "snapshots can not be promoted")); | |
4015 | return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); | |
4016 | } | |
4017 | ||
d12f91fd | 4018 | if (zhp->zfs_dmustats.dds_origin[0] == '\0') { |
34dc7c2f BB |
4019 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
4020 | "not a cloned filesystem")); | |
4021 | return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); | |
4022 | } | |
34dc7c2f | 4023 | |
650258d7 | 4024 | if (!zfs_validate_name(hdl, zhp->zfs_name, zhp->zfs_type, B_TRUE)) |
4025 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
4026 | ||
d12f91fd | 4027 | ret = lzc_promote(zhp->zfs_name, snapname, sizeof (snapname)); |
34dc7c2f BB |
4028 | |
4029 | if (ret != 0) { | |
d12f91fd | 4030 | switch (ret) { |
34dc7c2f | 4031 | case EEXIST: |
ba6a2402 | 4032 | /* There is a conflicting snapshot name. */ |
34dc7c2f | 4033 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
428870ff | 4034 | "conflicting snapshot '%s' from parent '%s'"), |
d12f91fd | 4035 | snapname, zhp->zfs_dmustats.dds_origin); |
34dc7c2f BB |
4036 | return (zfs_error(hdl, EZFS_EXISTS, errbuf)); |
4037 | ||
4038 | default: | |
d12f91fd | 4039 | return (zfs_standard_error(hdl, ret, errbuf)); |
34dc7c2f | 4040 | } |
d603ed6c | 4041 | } |
34dc7c2f BB |
4042 | return (ret); |
4043 | } | |
4044 | ||
6f1ffb06 MA |
4045 | typedef struct snapdata { |
4046 | nvlist_t *sd_nvl; | |
4047 | const char *sd_snapname; | |
4048 | } snapdata_t; | |
4049 | ||
4050 | static int | |
4051 | zfs_snapshot_cb(zfs_handle_t *zhp, void *arg) | |
4052 | { | |
4053 | snapdata_t *sd = arg; | |
eca7b760 | 4054 | char name[ZFS_MAX_DATASET_NAME_LEN]; |
6f1ffb06 MA |
4055 | int rv = 0; |
4056 | ||
96c2e961 | 4057 | if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) == 0) { |
682ce104 TH |
4058 | if (snprintf(name, sizeof (name), "%s@%s", zfs_get_name(zhp), |
4059 | sd->sd_snapname) >= sizeof (name)) | |
4060 | return (EINVAL); | |
6f1ffb06 | 4061 | |
96c2e961 | 4062 | fnvlist_add_boolean(sd->sd_nvl, name); |
6f1ffb06 | 4063 | |
96c2e961 KW |
4064 | rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd); |
4065 | } | |
6f1ffb06 | 4066 | zfs_close(zhp); |
96c2e961 | 4067 | |
6f1ffb06 MA |
4068 | return (rv); |
4069 | } | |
4070 | ||
a1d477c2 MA |
4071 | int |
4072 | zfs_remap_indirects(libzfs_handle_t *hdl, const char *fs) | |
4073 | { | |
4074 | int err; | |
4075 | char errbuf[1024]; | |
4076 | ||
4077 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
b4555c77 | 4078 | "cannot remap dataset '%s'"), fs); |
a1d477c2 MA |
4079 | |
4080 | err = lzc_remap(fs); | |
4081 | ||
4082 | if (err != 0) { | |
b4555c77 | 4083 | switch (err) { |
4084 | case ENOTSUP: | |
4085 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4086 | "pool must be upgraded")); | |
4087 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
4088 | break; | |
4089 | case EINVAL: | |
4090 | (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); | |
4091 | break; | |
4092 | default: | |
4093 | (void) zfs_standard_error(hdl, err, errbuf); | |
4094 | break; | |
4095 | } | |
a1d477c2 MA |
4096 | } |
4097 | ||
4098 | return (err); | |
4099 | } | |
4100 | ||
34dc7c2f | 4101 | /* |
6f1ffb06 MA |
4102 | * Creates snapshots. The keys in the snaps nvlist are the snapshots to be |
4103 | * created. | |
34dc7c2f BB |
4104 | */ |
4105 | int | |
6f1ffb06 | 4106 | zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps, nvlist_t *props) |
34dc7c2f | 4107 | { |
34dc7c2f BB |
4108 | int ret; |
4109 | char errbuf[1024]; | |
6f1ffb06 MA |
4110 | nvpair_t *elem; |
4111 | nvlist_t *errors; | |
9d016804 | 4112 | zpool_handle_t *zpool_hdl; |
4113 | char pool[ZFS_MAX_DATASET_NAME_LEN]; | |
34dc7c2f BB |
4114 | |
4115 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
6f1ffb06 | 4116 | "cannot create snapshots ")); |
34dc7c2f | 4117 | |
6f1ffb06 MA |
4118 | elem = NULL; |
4119 | while ((elem = nvlist_next_nvpair(snaps, elem)) != NULL) { | |
4120 | const char *snapname = nvpair_name(elem); | |
b128c09f | 4121 | |
6f1ffb06 MA |
4122 | /* validate the target name */ |
4123 | if (!zfs_validate_name(hdl, snapname, ZFS_TYPE_SNAPSHOT, | |
4124 | B_TRUE)) { | |
4125 | (void) snprintf(errbuf, sizeof (errbuf), | |
4126 | dgettext(TEXT_DOMAIN, | |
4127 | "cannot create snapshot '%s'"), snapname); | |
4128 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
b128c09f | 4129 | } |
b128c09f BB |
4130 | } |
4131 | ||
82f6f6e6 JS |
4132 | /* |
4133 | * get pool handle for prop validation. assumes all snaps are in the | |
4134 | * same pool, as does lzc_snapshot (below). | |
4135 | */ | |
82f6f6e6 JS |
4136 | elem = nvlist_next_nvpair(snaps, NULL); |
4137 | (void) strlcpy(pool, nvpair_name(elem), sizeof (pool)); | |
4138 | pool[strcspn(pool, "/@")] = '\0'; | |
9d016804 | 4139 | zpool_hdl = zpool_open(hdl, pool); |
4140 | if (zpool_hdl == NULL) | |
4141 | return (-1); | |
82f6f6e6 | 4142 | |
6f1ffb06 MA |
4143 | if (props != NULL && |
4144 | (props = zfs_valid_proplist(hdl, ZFS_TYPE_SNAPSHOT, | |
b5256303 | 4145 | props, B_FALSE, NULL, zpool_hdl, B_FALSE, errbuf)) == NULL) { |
82f6f6e6 | 4146 | zpool_close(zpool_hdl); |
34dc7c2f BB |
4147 | return (-1); |
4148 | } | |
82f6f6e6 | 4149 | zpool_close(zpool_hdl); |
34dc7c2f | 4150 | |
6f1ffb06 | 4151 | ret = lzc_snapshot(snaps, props, &errors); |
34dc7c2f | 4152 | |
6f1ffb06 MA |
4153 | if (ret != 0) { |
4154 | boolean_t printed = B_FALSE; | |
4155 | for (elem = nvlist_next_nvpair(errors, NULL); | |
4156 | elem != NULL; | |
4157 | elem = nvlist_next_nvpair(errors, elem)) { | |
4158 | (void) snprintf(errbuf, sizeof (errbuf), | |
4159 | dgettext(TEXT_DOMAIN, | |
4160 | "cannot create snapshot '%s'"), nvpair_name(elem)); | |
4161 | (void) zfs_standard_error(hdl, | |
4162 | fnvpair_value_int32(elem), errbuf); | |
4163 | printed = B_TRUE; | |
4164 | } | |
4165 | if (!printed) { | |
4166 | switch (ret) { | |
4167 | case EXDEV: | |
4168 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4169 | "multiple snapshots of same " | |
4170 | "fs not allowed")); | |
4171 | (void) zfs_error(hdl, EZFS_EXISTS, errbuf); | |
b128c09f | 4172 | |
6f1ffb06 MA |
4173 | break; |
4174 | default: | |
4175 | (void) zfs_standard_error(hdl, ret, errbuf); | |
4176 | } | |
4177 | } | |
428870ff | 4178 | } |
34dc7c2f | 4179 | |
6f1ffb06 MA |
4180 | nvlist_free(props); |
4181 | nvlist_free(errors); | |
4182 | return (ret); | |
4183 | } | |
d603ed6c | 4184 | |
6f1ffb06 MA |
4185 | int |
4186 | zfs_snapshot(libzfs_handle_t *hdl, const char *path, boolean_t recursive, | |
4187 | nvlist_t *props) | |
4188 | { | |
4189 | int ret; | |
4190 | snapdata_t sd = { 0 }; | |
eca7b760 | 4191 | char fsname[ZFS_MAX_DATASET_NAME_LEN]; |
6f1ffb06 MA |
4192 | char *cp; |
4193 | zfs_handle_t *zhp; | |
4194 | char errbuf[1024]; | |
4195 | ||
4196 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
4197 | "cannot snapshot %s"), path); | |
4198 | ||
4199 | if (!zfs_validate_name(hdl, path, ZFS_TYPE_SNAPSHOT, B_TRUE)) | |
4200 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
ba6a2402 | 4201 | |
6f1ffb06 MA |
4202 | (void) strlcpy(fsname, path, sizeof (fsname)); |
4203 | cp = strchr(fsname, '@'); | |
4204 | *cp = '\0'; | |
4205 | sd.sd_snapname = cp + 1; | |
34dc7c2f | 4206 | |
6f1ffb06 MA |
4207 | if ((zhp = zfs_open(hdl, fsname, ZFS_TYPE_FILESYSTEM | |
4208 | ZFS_TYPE_VOLUME)) == NULL) { | |
4209 | return (-1); | |
4210 | } | |
4211 | ||
4212 | verify(nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) == 0); | |
4213 | if (recursive) { | |
4214 | (void) zfs_snapshot_cb(zfs_handle_dup(zhp), &sd); | |
4215 | } else { | |
4216 | fnvlist_add_boolean(sd.sd_nvl, path); | |
4217 | } | |
4218 | ||
4219 | ret = zfs_snapshot_nvl(hdl, sd.sd_nvl, props); | |
4220 | nvlist_free(sd.sd_nvl); | |
4221 | zfs_close(zhp); | |
34dc7c2f BB |
4222 | return (ret); |
4223 | } | |
4224 | ||
4225 | /* | |
4226 | * Destroy any more recent snapshots. We invoke this callback on any dependents | |
4227 | * of the snapshot first. If the 'cb_dependent' member is non-zero, then this | |
4228 | * is a dependent and we should just destroy it without checking the transaction | |
4229 | * group. | |
4230 | */ | |
4231 | typedef struct rollback_data { | |
4232 | const char *cb_target; /* the snapshot */ | |
4233 | uint64_t cb_create; /* creation time reference */ | |
4234 | boolean_t cb_error; | |
34dc7c2f BB |
4235 | boolean_t cb_force; |
4236 | } rollback_data_t; | |
4237 | ||
4238 | static int | |
da536844 | 4239 | rollback_destroy_dependent(zfs_handle_t *zhp, void *data) |
34dc7c2f BB |
4240 | { |
4241 | rollback_data_t *cbp = data; | |
da536844 MA |
4242 | prop_changelist_t *clp; |
4243 | ||
4244 | /* We must destroy this clone; first unmount it */ | |
4245 | clp = changelist_gather(zhp, ZFS_PROP_NAME, 0, | |
4246 | cbp->cb_force ? MS_FORCE: 0); | |
4247 | if (clp == NULL || changelist_prefix(clp) != 0) { | |
4248 | cbp->cb_error = B_TRUE; | |
4249 | zfs_close(zhp); | |
4250 | return (0); | |
4251 | } | |
4252 | if (zfs_destroy(zhp, B_FALSE) != 0) | |
4253 | cbp->cb_error = B_TRUE; | |
4254 | else | |
4255 | changelist_remove(clp, zhp->zfs_name); | |
4256 | (void) changelist_postfix(clp); | |
4257 | changelist_free(clp); | |
34dc7c2f | 4258 | |
da536844 MA |
4259 | zfs_close(zhp); |
4260 | return (0); | |
4261 | } | |
34dc7c2f | 4262 | |
da536844 MA |
4263 | static int |
4264 | rollback_destroy(zfs_handle_t *zhp, void *data) | |
4265 | { | |
4266 | rollback_data_t *cbp = data; | |
34dc7c2f | 4267 | |
da536844 MA |
4268 | if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) { |
4269 | cbp->cb_error |= zfs_iter_dependents(zhp, B_FALSE, | |
4270 | rollback_destroy_dependent, cbp); | |
34dc7c2f | 4271 | |
da536844 | 4272 | cbp->cb_error |= zfs_destroy(zhp, B_FALSE); |
34dc7c2f BB |
4273 | } |
4274 | ||
4275 | zfs_close(zhp); | |
4276 | return (0); | |
4277 | } | |
4278 | ||
4279 | /* | |
4280 | * Given a dataset, rollback to a specific snapshot, discarding any | |
4281 | * data changes since then and making it the active dataset. | |
4282 | * | |
da536844 MA |
4283 | * Any snapshots and bookmarks more recent than the target are |
4284 | * destroyed, along with their dependents (i.e. clones). | |
34dc7c2f BB |
4285 | */ |
4286 | int | |
4287 | zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force) | |
4288 | { | |
4289 | rollback_data_t cb = { 0 }; | |
4290 | int err; | |
34dc7c2f | 4291 | boolean_t restore_resv = 0; |
d4ed6673 BB |
4292 | uint64_t old_volsize = 0, new_volsize; |
4293 | zfs_prop_t resv_prop = { 0 }; | |
34dc7c2f BB |
4294 | |
4295 | assert(zhp->zfs_type == ZFS_TYPE_FILESYSTEM || | |
4296 | zhp->zfs_type == ZFS_TYPE_VOLUME); | |
4297 | ||
4298 | /* | |
04434775 | 4299 | * Destroy all recent snapshots and their dependents. |
34dc7c2f BB |
4300 | */ |
4301 | cb.cb_force = force; | |
4302 | cb.cb_target = snap->zfs_name; | |
4303 | cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); | |
da536844 MA |
4304 | (void) zfs_iter_snapshots(zhp, B_FALSE, rollback_destroy, &cb); |
4305 | (void) zfs_iter_bookmarks(zhp, rollback_destroy, &cb); | |
34dc7c2f BB |
4306 | |
4307 | if (cb.cb_error) | |
4308 | return (-1); | |
4309 | ||
4310 | /* | |
4311 | * Now that we have verified that the snapshot is the latest, | |
4312 | * rollback to the given snapshot. | |
4313 | */ | |
4314 | ||
4315 | if (zhp->zfs_type == ZFS_TYPE_VOLUME) { | |
34dc7c2f BB |
4316 | if (zfs_which_resv_prop(zhp, &resv_prop) < 0) |
4317 | return (-1); | |
4318 | old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); | |
4319 | restore_resv = | |
4320 | (old_volsize == zfs_prop_get_int(zhp, resv_prop)); | |
4321 | } | |
4322 | ||
34dc7c2f | 4323 | /* |
8ca78ab0 AG |
4324 | * Pass both the filesystem and the wanted snapshot names, |
4325 | * we would get an error back if the snapshot is destroyed or | |
4326 | * a new snapshot is created before this request is processed. | |
34dc7c2f | 4327 | */ |
8ca78ab0 | 4328 | err = lzc_rollback_to(zhp->zfs_name, snap->zfs_name); |
13342832 AG |
4329 | if (err != 0) { |
4330 | char errbuf[1024]; | |
4331 | ||
4332 | (void) snprintf(errbuf, sizeof (errbuf), | |
34dc7c2f BB |
4333 | dgettext(TEXT_DOMAIN, "cannot rollback '%s'"), |
4334 | zhp->zfs_name); | |
13342832 AG |
4335 | switch (err) { |
4336 | case EEXIST: | |
4337 | zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, | |
4338 | "there is a snapshot or bookmark more recent " | |
4339 | "than '%s'"), snap->zfs_name); | |
4340 | (void) zfs_error(zhp->zfs_hdl, EZFS_EXISTS, errbuf); | |
4341 | break; | |
4342 | case ESRCH: | |
4343 | zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, | |
4344 | "'%s' is not found among snapshots of '%s'"), | |
4345 | snap->zfs_name, zhp->zfs_name); | |
4346 | (void) zfs_error(zhp->zfs_hdl, EZFS_NOENT, errbuf); | |
4347 | break; | |
4348 | case EINVAL: | |
4349 | (void) zfs_error(zhp->zfs_hdl, EZFS_BADTYPE, errbuf); | |
4350 | break; | |
4351 | default: | |
4352 | (void) zfs_standard_error(zhp->zfs_hdl, err, errbuf); | |
4353 | } | |
34dc7c2f BB |
4354 | return (err); |
4355 | } | |
4356 | ||
4357 | /* | |
4358 | * For volumes, if the pre-rollback volsize matched the pre- | |
4359 | * rollback reservation and the volsize has changed then set | |
4360 | * the reservation property to the post-rollback volsize. | |
4361 | * Make a new handle since the rollback closed the dataset. | |
4362 | */ | |
4363 | if ((zhp->zfs_type == ZFS_TYPE_VOLUME) && | |
4364 | (zhp = make_dataset_handle(zhp->zfs_hdl, zhp->zfs_name))) { | |
34dc7c2f BB |
4365 | if (restore_resv) { |
4366 | new_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE); | |
4367 | if (old_volsize != new_volsize) | |
4368 | err = zfs_prop_set_int(zhp, resv_prop, | |
4369 | new_volsize); | |
4370 | } | |
4371 | zfs_close(zhp); | |
4372 | } | |
4373 | return (err); | |
4374 | } | |
4375 | ||
34dc7c2f BB |
4376 | /* |
4377 | * Renames the given dataset. | |
4378 | */ | |
4379 | int | |
db49968e ES |
4380 | zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive, |
4381 | boolean_t force_unmount) | |
34dc7c2f | 4382 | { |
23d70cde | 4383 | int ret = 0; |
13fe0198 | 4384 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
4385 | char *delim; |
4386 | prop_changelist_t *cl = NULL; | |
4387 | zfs_handle_t *zhrp = NULL; | |
4388 | char *parentname = NULL; | |
eca7b760 | 4389 | char parent[ZFS_MAX_DATASET_NAME_LEN]; |
34dc7c2f BB |
4390 | libzfs_handle_t *hdl = zhp->zfs_hdl; |
4391 | char errbuf[1024]; | |
4392 | ||
4393 | /* if we have the same exact name, just return success */ | |
4394 | if (strcmp(zhp->zfs_name, target) == 0) | |
4395 | return (0); | |
4396 | ||
4397 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
4398 | "cannot rename to '%s'"), target); | |
4399 | ||
650258d7 | 4400 | /* make sure source name is valid */ |
4401 | if (!zfs_validate_name(hdl, zhp->zfs_name, zhp->zfs_type, B_TRUE)) | |
4402 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
4403 | ||
34dc7c2f BB |
4404 | /* |
4405 | * Make sure the target name is valid | |
4406 | */ | |
4407 | if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { | |
4408 | if ((strchr(target, '@') == NULL) || | |
4409 | *target == '@') { | |
4410 | /* | |
4411 | * Snapshot target name is abbreviated, | |
4412 | * reconstruct full dataset name | |
4413 | */ | |
4414 | (void) strlcpy(parent, zhp->zfs_name, | |
4415 | sizeof (parent)); | |
4416 | delim = strchr(parent, '@'); | |
4417 | if (strchr(target, '@') == NULL) | |
4418 | *(++delim) = '\0'; | |
4419 | else | |
4420 | *delim = '\0'; | |
4421 | (void) strlcat(parent, target, sizeof (parent)); | |
4422 | target = parent; | |
4423 | } else { | |
4424 | /* | |
4425 | * Make sure we're renaming within the same dataset. | |
4426 | */ | |
4427 | delim = strchr(target, '@'); | |
4428 | if (strncmp(zhp->zfs_name, target, delim - target) | |
4429 | != 0 || zhp->zfs_name[delim - target] != '@') { | |
4430 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4431 | "snapshots must be part of same " | |
4432 | "dataset")); | |
4433 | return (zfs_error(hdl, EZFS_CROSSTARGET, | |
4434 | errbuf)); | |
4435 | } | |
4436 | } | |
4437 | if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE)) | |
4438 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
4439 | } else { | |
4440 | if (recursive) { | |
4441 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4442 | "recursive rename must be a snapshot")); | |
4443 | return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); | |
4444 | } | |
4445 | ||
4446 | if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE)) | |
4447 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
34dc7c2f BB |
4448 | |
4449 | /* validate parents */ | |
428870ff | 4450 | if (check_parents(hdl, target, NULL, B_FALSE, NULL) != 0) |
34dc7c2f BB |
4451 | return (-1); |
4452 | ||
34dc7c2f BB |
4453 | /* make sure we're in the same pool */ |
4454 | verify((delim = strchr(target, '/')) != NULL); | |
4455 | if (strncmp(zhp->zfs_name, target, delim - target) != 0 || | |
4456 | zhp->zfs_name[delim - target] != '/') { | |
4457 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4458 | "datasets must be within same pool")); | |
4459 | return (zfs_error(hdl, EZFS_CROSSTARGET, errbuf)); | |
4460 | } | |
4461 | ||
4462 | /* new name cannot be a child of the current dataset name */ | |
428870ff | 4463 | if (is_descendant(zhp->zfs_name, target)) { |
34dc7c2f | 4464 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
428870ff | 4465 | "New dataset name cannot be a descendant of " |
34dc7c2f BB |
4466 | "current dataset name")); |
4467 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
4468 | } | |
4469 | } | |
4470 | ||
4471 | (void) snprintf(errbuf, sizeof (errbuf), | |
4472 | dgettext(TEXT_DOMAIN, "cannot rename '%s'"), zhp->zfs_name); | |
4473 | ||
4474 | if (getzoneid() == GLOBAL_ZONEID && | |
4475 | zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) { | |
4476 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4477 | "dataset is used in a non-global zone")); | |
4478 | return (zfs_error(hdl, EZFS_ZONED, errbuf)); | |
4479 | } | |
4480 | ||
4481 | if (recursive) { | |
34dc7c2f BB |
4482 | parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name); |
4483 | if (parentname == NULL) { | |
4484 | ret = -1; | |
4485 | goto error; | |
4486 | } | |
4487 | delim = strchr(parentname, '@'); | |
4488 | *delim = '\0'; | |
4489 | zhrp = zfs_open(zhp->zfs_hdl, parentname, ZFS_TYPE_DATASET); | |
4490 | if (zhrp == NULL) { | |
4491 | ret = -1; | |
4492 | goto error; | |
4493 | } | |
e3e670d0 | 4494 | } else if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT) { |
db49968e ES |
4495 | if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 0, |
4496 | force_unmount ? MS_FORCE : 0)) == NULL) | |
34dc7c2f BB |
4497 | return (-1); |
4498 | ||
4499 | if (changelist_haszonedchild(cl)) { | |
4500 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4501 | "child dataset with inherited mountpoint is used " | |
4502 | "in a non-global zone")); | |
4503 | (void) zfs_error(hdl, EZFS_ZONED, errbuf); | |
d4ed6673 | 4504 | ret = -1; |
34dc7c2f BB |
4505 | goto error; |
4506 | } | |
4507 | ||
4508 | if ((ret = changelist_prefix(cl)) != 0) | |
4509 | goto error; | |
4510 | } | |
4511 | ||
4512 | if (ZFS_IS_VOLUME(zhp)) | |
4513 | zc.zc_objset_type = DMU_OST_ZVOL; | |
4514 | else | |
4515 | zc.zc_objset_type = DMU_OST_ZFS; | |
4516 | ||
4517 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); | |
4518 | (void) strlcpy(zc.zc_value, target, sizeof (zc.zc_value)); | |
4519 | ||
4520 | zc.zc_cookie = recursive; | |
4521 | ||
4522 | if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_RENAME, &zc)) != 0) { | |
4523 | /* | |
4524 | * if it was recursive, the one that actually failed will | |
4525 | * be in zc.zc_name | |
4526 | */ | |
4527 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
4528 | "cannot rename '%s'"), zc.zc_name); | |
4529 | ||
4530 | if (recursive && errno == EEXIST) { | |
4531 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4532 | "a child dataset already has a snapshot " | |
4533 | "with the new name")); | |
4534 | (void) zfs_error(hdl, EZFS_EXISTS, errbuf); | |
b5256303 TC |
4535 | } else if (errno == EACCES) { |
4536 | if (zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) == | |
4537 | ZIO_CRYPT_OFF) { | |
4538 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4539 | "cannot rename an unencrypted dataset to " | |
4540 | "be a decendent of an encrypted one")); | |
4541 | } else { | |
4542 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4543 | "cannot move encryption child outside of " | |
4544 | "its encryption root")); | |
4545 | } | |
4546 | (void) zfs_error(hdl, EZFS_CRYPTOFAILED, errbuf); | |
34dc7c2f BB |
4547 | } else { |
4548 | (void) zfs_standard_error(zhp->zfs_hdl, errno, errbuf); | |
4549 | } | |
4550 | ||
4551 | /* | |
4552 | * On failure, we still want to remount any filesystems that | |
4553 | * were previously mounted, so we don't alter the system state. | |
4554 | */ | |
e3e670d0 | 4555 | if (cl != NULL) |
34dc7c2f | 4556 | (void) changelist_postfix(cl); |
34dc7c2f | 4557 | } else { |
e3e670d0 | 4558 | if (cl != NULL) { |
34dc7c2f BB |
4559 | changelist_rename(cl, zfs_get_name(zhp), target); |
4560 | ret = changelist_postfix(cl); | |
4561 | } | |
4562 | } | |
4563 | ||
4564 | error: | |
e3e670d0 | 4565 | if (parentname != NULL) { |
34dc7c2f BB |
4566 | free(parentname); |
4567 | } | |
e3e670d0 | 4568 | if (zhrp != NULL) { |
34dc7c2f BB |
4569 | zfs_close(zhrp); |
4570 | } | |
e3e670d0 | 4571 | if (cl != NULL) { |
34dc7c2f BB |
4572 | changelist_free(cl); |
4573 | } | |
4574 | return (ret); | |
4575 | } | |
4576 | ||
6044cf59 JR |
4577 | nvlist_t * |
4578 | zfs_get_all_props(zfs_handle_t *zhp) | |
4579 | { | |
4580 | return (zhp->zfs_props); | |
4581 | } | |
4582 | ||
4583 | nvlist_t * | |
4584 | zfs_get_recvd_props(zfs_handle_t *zhp) | |
4585 | { | |
4586 | if (zhp->zfs_recvd_props == NULL) | |
4587 | if (get_recvd_props_ioctl(zhp) != 0) | |
4588 | return (NULL); | |
4589 | return (zhp->zfs_recvd_props); | |
4590 | } | |
4591 | ||
34dc7c2f | 4592 | nvlist_t * |
d603ed6c | 4593 | zfs_get_user_props(zfs_handle_t *zhp) |
34dc7c2f | 4594 | { |
d603ed6c | 4595 | return (zhp->zfs_user_props); |
34dc7c2f BB |
4596 | } |
4597 | ||
4598 | /* | |
4599 | * This function is used by 'zfs list' to determine the exact set of columns to | |
4600 | * display, and their maximum widths. This does two main things: | |
4601 | * | |
4602 | * - If this is a list of all properties, then expand the list to include | |
4603 | * all native properties, and set a flag so that for each dataset we look | |
4604 | * for new unique user properties and add them to the list. | |
4605 | * | |
4606 | * - For non fixed-width properties, keep track of the maximum width seen | |
428870ff BB |
4607 | * so that we can size the column appropriately. If the user has |
4608 | * requested received property values, we also need to compute the width | |
4609 | * of the RECEIVED column. | |
34dc7c2f BB |
4610 | */ |
4611 | int | |
54d5378f YP |
4612 | zfs_expand_proplist(zfs_handle_t *zhp, zprop_list_t **plp, boolean_t received, |
4613 | boolean_t literal) | |
34dc7c2f BB |
4614 | { |
4615 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
4616 | zprop_list_t *entry; | |
4617 | zprop_list_t **last, **start; | |
4618 | nvlist_t *userprops, *propval; | |
4619 | nvpair_t *elem; | |
4620 | char *strval; | |
4621 | char buf[ZFS_MAXPROPLEN]; | |
4622 | ||
4623 | if (zprop_expand_list(hdl, plp, ZFS_TYPE_DATASET) != 0) | |
4624 | return (-1); | |
4625 | ||
4626 | userprops = zfs_get_user_props(zhp); | |
4627 | ||
4628 | entry = *plp; | |
4629 | if (entry->pl_all && nvlist_next_nvpair(userprops, NULL) != NULL) { | |
4630 | /* | |
4631 | * Go through and add any user properties as necessary. We | |
4632 | * start by incrementing our list pointer to the first | |
4633 | * non-native property. | |
4634 | */ | |
4635 | start = plp; | |
4636 | while (*start != NULL) { | |
4637 | if ((*start)->pl_prop == ZPROP_INVAL) | |
4638 | break; | |
4639 | start = &(*start)->pl_next; | |
4640 | } | |
4641 | ||
4642 | elem = NULL; | |
4643 | while ((elem = nvlist_next_nvpair(userprops, elem)) != NULL) { | |
4644 | /* | |
4645 | * See if we've already found this property in our list. | |
4646 | */ | |
4647 | for (last = start; *last != NULL; | |
4648 | last = &(*last)->pl_next) { | |
4649 | if (strcmp((*last)->pl_user_prop, | |
4650 | nvpair_name(elem)) == 0) | |
4651 | break; | |
4652 | } | |
4653 | ||
4654 | if (*last == NULL) { | |
4655 | if ((entry = zfs_alloc(hdl, | |
4656 | sizeof (zprop_list_t))) == NULL || | |
4657 | ((entry->pl_user_prop = zfs_strdup(hdl, | |
4658 | nvpair_name(elem)))) == NULL) { | |
4659 | free(entry); | |
4660 | return (-1); | |
4661 | } | |
4662 | ||
4663 | entry->pl_prop = ZPROP_INVAL; | |
4664 | entry->pl_width = strlen(nvpair_name(elem)); | |
4665 | entry->pl_all = B_TRUE; | |
4666 | *last = entry; | |
4667 | } | |
4668 | } | |
4669 | } | |
4670 | ||
4671 | /* | |
4672 | * Now go through and check the width of any non-fixed columns | |
4673 | */ | |
4674 | for (entry = *plp; entry != NULL; entry = entry->pl_next) { | |
54d5378f | 4675 | if (entry->pl_fixed && !literal) |
34dc7c2f BB |
4676 | continue; |
4677 | ||
4678 | if (entry->pl_prop != ZPROP_INVAL) { | |
4679 | if (zfs_prop_get(zhp, entry->pl_prop, | |
54d5378f | 4680 | buf, sizeof (buf), NULL, NULL, 0, literal) == 0) { |
34dc7c2f BB |
4681 | if (strlen(buf) > entry->pl_width) |
4682 | entry->pl_width = strlen(buf); | |
4683 | } | |
428870ff BB |
4684 | if (received && zfs_prop_get_recvd(zhp, |
4685 | zfs_prop_to_name(entry->pl_prop), | |
54d5378f | 4686 | buf, sizeof (buf), literal) == 0) |
428870ff BB |
4687 | if (strlen(buf) > entry->pl_recvd_width) |
4688 | entry->pl_recvd_width = strlen(buf); | |
4689 | } else { | |
4690 | if (nvlist_lookup_nvlist(userprops, entry->pl_user_prop, | |
4691 | &propval) == 0) { | |
4692 | verify(nvlist_lookup_string(propval, | |
4693 | ZPROP_VALUE, &strval) == 0); | |
4694 | if (strlen(strval) > entry->pl_width) | |
4695 | entry->pl_width = strlen(strval); | |
4696 | } | |
4697 | if (received && zfs_prop_get_recvd(zhp, | |
4698 | entry->pl_user_prop, | |
54d5378f | 4699 | buf, sizeof (buf), literal) == 0) |
428870ff BB |
4700 | if (strlen(buf) > entry->pl_recvd_width) |
4701 | entry->pl_recvd_width = strlen(buf); | |
34dc7c2f BB |
4702 | } |
4703 | } | |
4704 | ||
4705 | return (0); | |
4706 | } | |
4707 | ||
9babb374 BB |
4708 | void |
4709 | zfs_prune_proplist(zfs_handle_t *zhp, uint8_t *props) | |
4710 | { | |
4711 | nvpair_t *curr; | |
23de906c | 4712 | nvpair_t *next; |
9babb374 BB |
4713 | |
4714 | /* | |
4715 | * Keep a reference to the props-table against which we prune the | |
4716 | * properties. | |
4717 | */ | |
4718 | zhp->zfs_props_table = props; | |
4719 | ||
4720 | curr = nvlist_next_nvpair(zhp->zfs_props, NULL); | |
4721 | ||
4722 | while (curr) { | |
4723 | zfs_prop_t zfs_prop = zfs_name_to_prop(nvpair_name(curr)); | |
23de906c | 4724 | next = nvlist_next_nvpair(zhp->zfs_props, curr); |
9babb374 BB |
4725 | |
4726 | /* | |
428870ff BB |
4727 | * User properties will result in ZPROP_INVAL, and since we |
4728 | * only know how to prune standard ZFS properties, we always | |
4729 | * leave these in the list. This can also happen if we | |
4730 | * encounter an unknown DSL property (when running older | |
4731 | * software, for example). | |
9babb374 BB |
4732 | */ |
4733 | if (zfs_prop != ZPROP_INVAL && props[zfs_prop] == B_FALSE) | |
4734 | (void) nvlist_remove(zhp->zfs_props, | |
4735 | nvpair_name(curr), nvpair_type(curr)); | |
4736 | curr = next; | |
4737 | } | |
4738 | } | |
4739 | ||
4740 | static int | |
4741 | zfs_smb_acl_mgmt(libzfs_handle_t *hdl, char *dataset, char *path, | |
4742 | zfs_smb_acl_op_t cmd, char *resource1, char *resource2) | |
4743 | { | |
13fe0198 | 4744 | zfs_cmd_t zc = {"\0"}; |
9babb374 BB |
4745 | nvlist_t *nvlist = NULL; |
4746 | int error; | |
4747 | ||
4748 | (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); | |
4749 | (void) strlcpy(zc.zc_value, path, sizeof (zc.zc_value)); | |
4750 | zc.zc_cookie = (uint64_t)cmd; | |
4751 | ||
4752 | if (cmd == ZFS_SMB_ACL_RENAME) { | |
4753 | if (nvlist_alloc(&nvlist, NV_UNIQUE_NAME, 0) != 0) { | |
4754 | (void) no_memory(hdl); | |
23de906c | 4755 | return (0); |
9babb374 BB |
4756 | } |
4757 | } | |
4758 | ||
4759 | switch (cmd) { | |
4760 | case ZFS_SMB_ACL_ADD: | |
4761 | case ZFS_SMB_ACL_REMOVE: | |
4762 | (void) strlcpy(zc.zc_string, resource1, sizeof (zc.zc_string)); | |
4763 | break; | |
4764 | case ZFS_SMB_ACL_RENAME: | |
4765 | if (nvlist_add_string(nvlist, ZFS_SMB_ACL_SRC, | |
4766 | resource1) != 0) { | |
4767 | (void) no_memory(hdl); | |
4768 | return (-1); | |
4769 | } | |
4770 | if (nvlist_add_string(nvlist, ZFS_SMB_ACL_TARGET, | |
4771 | resource2) != 0) { | |
4772 | (void) no_memory(hdl); | |
4773 | return (-1); | |
4774 | } | |
4775 | if (zcmd_write_src_nvlist(hdl, &zc, nvlist) != 0) { | |
4776 | nvlist_free(nvlist); | |
4777 | return (-1); | |
4778 | } | |
4779 | break; | |
4780 | case ZFS_SMB_ACL_PURGE: | |
4781 | break; | |
4782 | default: | |
4783 | return (-1); | |
4784 | } | |
4785 | error = ioctl(hdl->libzfs_fd, ZFS_IOC_SMB_ACL, &zc); | |
8a5fc748 | 4786 | nvlist_free(nvlist); |
9babb374 BB |
4787 | return (error); |
4788 | } | |
4789 | ||
4790 | int | |
4791 | zfs_smb_acl_add(libzfs_handle_t *hdl, char *dataset, | |
4792 | char *path, char *resource) | |
4793 | { | |
4794 | return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_ADD, | |
4795 | resource, NULL)); | |
4796 | } | |
4797 | ||
4798 | int | |
4799 | zfs_smb_acl_remove(libzfs_handle_t *hdl, char *dataset, | |
4800 | char *path, char *resource) | |
4801 | { | |
4802 | return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_REMOVE, | |
4803 | resource, NULL)); | |
4804 | } | |
4805 | ||
4806 | int | |
4807 | zfs_smb_acl_purge(libzfs_handle_t *hdl, char *dataset, char *path) | |
4808 | { | |
4809 | return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_PURGE, | |
4810 | NULL, NULL)); | |
4811 | } | |
4812 | ||
4813 | int | |
4814 | zfs_smb_acl_rename(libzfs_handle_t *hdl, char *dataset, char *path, | |
4815 | char *oldname, char *newname) | |
4816 | { | |
4817 | return (zfs_smb_acl_mgmt(hdl, dataset, path, ZFS_SMB_ACL_RENAME, | |
4818 | oldname, newname)); | |
4819 | } | |
4820 | ||
4821 | int | |
4822 | zfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type, | |
4823 | zfs_userspace_cb_t func, void *arg) | |
4824 | { | |
13fe0198 | 4825 | zfs_cmd_t zc = {"\0"}; |
9babb374 | 4826 | zfs_useracct_t buf[100]; |
105afebb YP |
4827 | libzfs_handle_t *hdl = zhp->zfs_hdl; |
4828 | int ret; | |
9babb374 | 4829 | |
330d06f9 | 4830 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
9babb374 BB |
4831 | |
4832 | zc.zc_objset_type = type; | |
4833 | zc.zc_nvlist_dst = (uintptr_t)buf; | |
4834 | ||
105afebb | 4835 | for (;;) { |
9babb374 BB |
4836 | zfs_useracct_t *zua = buf; |
4837 | ||
4838 | zc.zc_nvlist_dst_size = sizeof (buf); | |
105afebb | 4839 | if (zfs_ioctl(hdl, ZFS_IOC_USERSPACE_MANY, &zc) != 0) { |
eca7b760 | 4840 | char errbuf[1024]; |
105afebb | 4841 | |
1de321e6 JX |
4842 | if ((errno == ENOTSUP && |
4843 | (type == ZFS_PROP_USEROBJUSED || | |
4844 | type == ZFS_PROP_GROUPOBJUSED || | |
4845 | type == ZFS_PROP_USEROBJQUOTA || | |
9c5167d1 NF |
4846 | type == ZFS_PROP_GROUPOBJQUOTA || |
4847 | type == ZFS_PROP_PROJECTOBJUSED || | |
4848 | type == ZFS_PROP_PROJECTOBJQUOTA || | |
4849 | type == ZFS_PROP_PROJECTUSED || | |
4850 | type == ZFS_PROP_PROJECTQUOTA))) | |
1de321e6 JX |
4851 | break; |
4852 | ||
105afebb YP |
4853 | (void) snprintf(errbuf, sizeof (errbuf), |
4854 | dgettext(TEXT_DOMAIN, | |
4855 | "cannot get used/quota for %s"), zc.zc_name); | |
4856 | return (zfs_standard_error_fmt(hdl, errno, errbuf)); | |
4857 | } | |
4858 | if (zc.zc_nvlist_dst_size == 0) | |
9babb374 BB |
4859 | break; |
4860 | ||
4861 | while (zc.zc_nvlist_dst_size > 0) { | |
105afebb YP |
4862 | if ((ret = func(arg, zua->zu_domain, zua->zu_rid, |
4863 | zua->zu_space)) != 0) | |
4864 | return (ret); | |
9babb374 BB |
4865 | zua++; |
4866 | zc.zc_nvlist_dst_size -= sizeof (zfs_useracct_t); | |
4867 | } | |
4868 | } | |
4869 | ||
105afebb | 4870 | return (0); |
9babb374 | 4871 | } |
45d1cae3 | 4872 | |
13fe0198 MA |
4873 | struct holdarg { |
4874 | nvlist_t *nvl; | |
4875 | const char *snapname; | |
4876 | const char *tag; | |
4877 | boolean_t recursive; | |
1a077756 | 4878 | int error; |
13fe0198 MA |
4879 | }; |
4880 | ||
4881 | static int | |
4882 | zfs_hold_one(zfs_handle_t *zhp, void *arg) | |
4883 | { | |
4884 | struct holdarg *ha = arg; | |
eca7b760 | 4885 | char name[ZFS_MAX_DATASET_NAME_LEN]; |
13fe0198 MA |
4886 | int rv = 0; |
4887 | ||
682ce104 TH |
4888 | if (snprintf(name, sizeof (name), "%s@%s", zhp->zfs_name, |
4889 | ha->snapname) >= sizeof (name)) | |
4890 | return (EINVAL); | |
13fe0198 | 4891 | |
95fd54a1 | 4892 | if (lzc_exists(name)) |
13fe0198 | 4893 | fnvlist_add_string(ha->nvl, name, ha->tag); |
13fe0198 MA |
4894 | |
4895 | if (ha->recursive) | |
4896 | rv = zfs_iter_filesystems(zhp, zfs_hold_one, ha); | |
4897 | zfs_close(zhp); | |
4898 | return (rv); | |
4899 | } | |
4900 | ||
45d1cae3 BB |
4901 | int |
4902 | zfs_hold(zfs_handle_t *zhp, const char *snapname, const char *tag, | |
95fd54a1 | 4903 | boolean_t recursive, int cleanup_fd) |
45d1cae3 | 4904 | { |
13fe0198 MA |
4905 | int ret; |
4906 | struct holdarg ha; | |
45d1cae3 | 4907 | |
13fe0198 MA |
4908 | ha.nvl = fnvlist_alloc(); |
4909 | ha.snapname = snapname; | |
4910 | ha.tag = tag; | |
4911 | ha.recursive = recursive; | |
4912 | (void) zfs_hold_one(zfs_handle_dup(zhp), &ha); | |
b1118acb | 4913 | |
95fd54a1 SH |
4914 | if (nvlist_empty(ha.nvl)) { |
4915 | char errbuf[1024]; | |
4916 | ||
b1118acb MM |
4917 | fnvlist_free(ha.nvl); |
4918 | ret = ENOENT; | |
95fd54a1 SH |
4919 | (void) snprintf(errbuf, sizeof (errbuf), |
4920 | dgettext(TEXT_DOMAIN, | |
4921 | "cannot hold snapshot '%s@%s'"), | |
4922 | zhp->zfs_name, snapname); | |
4923 | (void) zfs_standard_error(zhp->zfs_hdl, ret, errbuf); | |
b1118acb MM |
4924 | return (ret); |
4925 | } | |
4926 | ||
95fd54a1 | 4927 | ret = zfs_hold_nvl(zhp, cleanup_fd, ha.nvl); |
13fe0198 | 4928 | fnvlist_free(ha.nvl); |
572e2857 | 4929 | |
95fd54a1 SH |
4930 | return (ret); |
4931 | } | |
4932 | ||
4933 | int | |
4934 | zfs_hold_nvl(zfs_handle_t *zhp, int cleanup_fd, nvlist_t *holds) | |
4935 | { | |
4936 | int ret; | |
4937 | nvlist_t *errors; | |
4938 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
4939 | char errbuf[1024]; | |
4940 | nvpair_t *elem; | |
4941 | ||
4942 | errors = NULL; | |
4943 | ret = lzc_hold(holds, cleanup_fd, &errors); | |
4944 | ||
4945 | if (ret == 0) { | |
4946 | /* There may be errors even in the success case. */ | |
4947 | fnvlist_free(errors); | |
13fe0198 | 4948 | return (0); |
95fd54a1 | 4949 | } |
45d1cae3 | 4950 | |
95fd54a1 | 4951 | if (nvlist_empty(errors)) { |
13fe0198 MA |
4952 | /* no hold-specific errors */ |
4953 | (void) snprintf(errbuf, sizeof (errbuf), | |
4954 | dgettext(TEXT_DOMAIN, "cannot hold")); | |
4955 | switch (ret) { | |
4956 | case ENOTSUP: | |
4957 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4958 | "pool must be upgraded")); | |
4959 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
4960 | break; | |
4961 | case EINVAL: | |
4962 | (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); | |
4963 | break; | |
4964 | default: | |
4965 | (void) zfs_standard_error(hdl, ret, errbuf); | |
4966 | } | |
4967 | } | |
45d1cae3 | 4968 | |
13fe0198 MA |
4969 | for (elem = nvlist_next_nvpair(errors, NULL); |
4970 | elem != NULL; | |
4971 | elem = nvlist_next_nvpair(errors, elem)) { | |
4972 | (void) snprintf(errbuf, sizeof (errbuf), | |
4973 | dgettext(TEXT_DOMAIN, | |
4974 | "cannot hold snapshot '%s'"), nvpair_name(elem)); | |
4975 | switch (fnvpair_value_int32(elem)) { | |
428870ff BB |
4976 | case E2BIG: |
4977 | /* | |
4978 | * Temporary tags wind up having the ds object id | |
4979 | * prepended. So even if we passed the length check | |
4980 | * above, it's still possible for the tag to wind | |
4981 | * up being slightly too long. | |
4982 | */ | |
13fe0198 MA |
4983 | (void) zfs_error(hdl, EZFS_TAGTOOLONG, errbuf); |
4984 | break; | |
45d1cae3 | 4985 | case EINVAL: |
13fe0198 MA |
4986 | (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); |
4987 | break; | |
45d1cae3 | 4988 | case EEXIST: |
13fe0198 MA |
4989 | (void) zfs_error(hdl, EZFS_REFTAG_HOLD, errbuf); |
4990 | break; | |
45d1cae3 | 4991 | default: |
13fe0198 MA |
4992 | (void) zfs_standard_error(hdl, |
4993 | fnvpair_value_int32(elem), errbuf); | |
45d1cae3 BB |
4994 | } |
4995 | } | |
4996 | ||
13fe0198 MA |
4997 | fnvlist_free(errors); |
4998 | return (ret); | |
4999 | } | |
5000 | ||
13fe0198 MA |
5001 | static int |
5002 | zfs_release_one(zfs_handle_t *zhp, void *arg) | |
5003 | { | |
5004 | struct holdarg *ha = arg; | |
eca7b760 | 5005 | char name[ZFS_MAX_DATASET_NAME_LEN]; |
13fe0198 | 5006 | int rv = 0; |
1a077756 | 5007 | nvlist_t *existing_holds; |
13fe0198 | 5008 | |
682ce104 TH |
5009 | if (snprintf(name, sizeof (name), "%s@%s", zhp->zfs_name, |
5010 | ha->snapname) >= sizeof (name)) { | |
5011 | ha->error = EINVAL; | |
5012 | rv = EINVAL; | |
5013 | } | |
13fe0198 | 5014 | |
1a077756 MA |
5015 | if (lzc_get_holds(name, &existing_holds) != 0) { |
5016 | ha->error = ENOENT; | |
5017 | } else if (!nvlist_exists(existing_holds, ha->tag)) { | |
5018 | ha->error = ESRCH; | |
5019 | } else { | |
5020 | nvlist_t *torelease = fnvlist_alloc(); | |
5021 | fnvlist_add_boolean(torelease, ha->tag); | |
5022 | fnvlist_add_nvlist(ha->nvl, name, torelease); | |
5023 | fnvlist_free(torelease); | |
13fe0198 MA |
5024 | } |
5025 | ||
5026 | if (ha->recursive) | |
5027 | rv = zfs_iter_filesystems(zhp, zfs_release_one, ha); | |
5028 | zfs_close(zhp); | |
5029 | return (rv); | |
45d1cae3 BB |
5030 | } |
5031 | ||
5032 | int | |
5033 | zfs_release(zfs_handle_t *zhp, const char *snapname, const char *tag, | |
5034 | boolean_t recursive) | |
5035 | { | |
13fe0198 MA |
5036 | int ret; |
5037 | struct holdarg ha; | |
95fd54a1 | 5038 | nvlist_t *errors = NULL; |
13fe0198 | 5039 | nvpair_t *elem; |
45d1cae3 | 5040 | libzfs_handle_t *hdl = zhp->zfs_hdl; |
b1118acb | 5041 | char errbuf[1024]; |
45d1cae3 | 5042 | |
13fe0198 MA |
5043 | ha.nvl = fnvlist_alloc(); |
5044 | ha.snapname = snapname; | |
5045 | ha.tag = tag; | |
5046 | ha.recursive = recursive; | |
1a077756 | 5047 | ha.error = 0; |
13fe0198 | 5048 | (void) zfs_release_one(zfs_handle_dup(zhp), &ha); |
b1118acb | 5049 | |
95fd54a1 | 5050 | if (nvlist_empty(ha.nvl)) { |
b1118acb | 5051 | fnvlist_free(ha.nvl); |
1a077756 | 5052 | ret = ha.error; |
b1118acb MM |
5053 | (void) snprintf(errbuf, sizeof (errbuf), |
5054 | dgettext(TEXT_DOMAIN, | |
5055 | "cannot release hold from snapshot '%s@%s'"), | |
5056 | zhp->zfs_name, snapname); | |
1a077756 MA |
5057 | if (ret == ESRCH) { |
5058 | (void) zfs_error(hdl, EZFS_REFTAG_RELE, errbuf); | |
5059 | } else { | |
5060 | (void) zfs_standard_error(hdl, ret, errbuf); | |
5061 | } | |
b1118acb MM |
5062 | return (ret); |
5063 | } | |
5064 | ||
13fe0198 MA |
5065 | ret = lzc_release(ha.nvl, &errors); |
5066 | fnvlist_free(ha.nvl); | |
45d1cae3 | 5067 | |
95fd54a1 SH |
5068 | if (ret == 0) { |
5069 | /* There may be errors even in the success case. */ | |
5070 | fnvlist_free(errors); | |
13fe0198 | 5071 | return (0); |
95fd54a1 | 5072 | } |
13fe0198 | 5073 | |
95fd54a1 | 5074 | if (nvlist_empty(errors)) { |
13fe0198 | 5075 | /* no hold-specific errors */ |
45d1cae3 | 5076 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
13fe0198 | 5077 | "cannot release")); |
45d1cae3 | 5078 | switch (errno) { |
45d1cae3 BB |
5079 | case ENOTSUP: |
5080 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
5081 | "pool must be upgraded")); | |
13fe0198 MA |
5082 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); |
5083 | break; | |
5084 | default: | |
5085 | (void) zfs_standard_error_fmt(hdl, errno, errbuf); | |
5086 | } | |
5087 | } | |
5088 | ||
5089 | for (elem = nvlist_next_nvpair(errors, NULL); | |
5090 | elem != NULL; | |
5091 | elem = nvlist_next_nvpair(errors, elem)) { | |
13fe0198 MA |
5092 | (void) snprintf(errbuf, sizeof (errbuf), |
5093 | dgettext(TEXT_DOMAIN, | |
5094 | "cannot release hold from snapshot '%s'"), | |
5095 | nvpair_name(elem)); | |
5096 | switch (fnvpair_value_int32(elem)) { | |
5097 | case ESRCH: | |
5098 | (void) zfs_error(hdl, EZFS_REFTAG_RELE, errbuf); | |
5099 | break; | |
45d1cae3 | 5100 | case EINVAL: |
13fe0198 MA |
5101 | (void) zfs_error(hdl, EZFS_BADTYPE, errbuf); |
5102 | break; | |
45d1cae3 | 5103 | default: |
13fe0198 MA |
5104 | (void) zfs_standard_error_fmt(hdl, |
5105 | fnvpair_value_int32(elem), errbuf); | |
45d1cae3 BB |
5106 | } |
5107 | } | |
5108 | ||
13fe0198 MA |
5109 | fnvlist_free(errors); |
5110 | return (ret); | |
45d1cae3 | 5111 | } |
428870ff | 5112 | |
0b7936d5 AS |
5113 | int |
5114 | zfs_get_fsacl(zfs_handle_t *zhp, nvlist_t **nvl) | |
5115 | { | |
13fe0198 | 5116 | zfs_cmd_t zc = {"\0"}; |
0b7936d5 AS |
5117 | libzfs_handle_t *hdl = zhp->zfs_hdl; |
5118 | int nvsz = 2048; | |
5119 | void *nvbuf; | |
5120 | int err = 0; | |
13fe0198 | 5121 | char errbuf[1024]; |
0b7936d5 AS |
5122 | |
5123 | assert(zhp->zfs_type == ZFS_TYPE_VOLUME || | |
5124 | zhp->zfs_type == ZFS_TYPE_FILESYSTEM); | |
5125 | ||
5126 | tryagain: | |
5127 | ||
5128 | nvbuf = malloc(nvsz); | |
5129 | if (nvbuf == NULL) { | |
5130 | err = (zfs_error(hdl, EZFS_NOMEM, strerror(errno))); | |
5131 | goto out; | |
5132 | } | |
5133 | ||
5134 | zc.zc_nvlist_dst_size = nvsz; | |
5135 | zc.zc_nvlist_dst = (uintptr_t)nvbuf; | |
5136 | ||
eca7b760 | 5137 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
0b7936d5 | 5138 | |
c7f2d69d | 5139 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_GET_FSACL, &zc) != 0) { |
0b7936d5 AS |
5140 | (void) snprintf(errbuf, sizeof (errbuf), |
5141 | dgettext(TEXT_DOMAIN, "cannot get permissions on '%s'"), | |
5142 | zc.zc_name); | |
5143 | switch (errno) { | |
5144 | case ENOMEM: | |
5145 | free(nvbuf); | |
5146 | nvsz = zc.zc_nvlist_dst_size; | |
5147 | goto tryagain; | |
5148 | ||
5149 | case ENOTSUP: | |
5150 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
5151 | "pool must be upgraded")); | |
5152 | err = zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
5153 | break; | |
5154 | case EINVAL: | |
5155 | err = zfs_error(hdl, EZFS_BADTYPE, errbuf); | |
5156 | break; | |
5157 | case ENOENT: | |
5158 | err = zfs_error(hdl, EZFS_NOENT, errbuf); | |
5159 | break; | |
5160 | default: | |
5161 | err = zfs_standard_error_fmt(hdl, errno, errbuf); | |
5162 | break; | |
5163 | } | |
5164 | } else { | |
5165 | /* success */ | |
5166 | int rc = nvlist_unpack(nvbuf, zc.zc_nvlist_dst_size, nvl, 0); | |
5167 | if (rc) { | |
5168 | (void) snprintf(errbuf, sizeof (errbuf), dgettext( | |
5169 | TEXT_DOMAIN, "cannot get permissions on '%s'"), | |
5170 | zc.zc_name); | |
5171 | err = zfs_standard_error_fmt(hdl, rc, errbuf); | |
5172 | } | |
5173 | } | |
5174 | ||
5175 | free(nvbuf); | |
5176 | out: | |
5177 | return (err); | |
5178 | } | |
5179 | ||
5180 | int | |
5181 | zfs_set_fsacl(zfs_handle_t *zhp, boolean_t un, nvlist_t *nvl) | |
5182 | { | |
13fe0198 | 5183 | zfs_cmd_t zc = {"\0"}; |
0b7936d5 AS |
5184 | libzfs_handle_t *hdl = zhp->zfs_hdl; |
5185 | char *nvbuf; | |
13fe0198 | 5186 | char errbuf[1024]; |
0b7936d5 AS |
5187 | size_t nvsz; |
5188 | int err; | |
5189 | ||
5190 | assert(zhp->zfs_type == ZFS_TYPE_VOLUME || | |
5191 | zhp->zfs_type == ZFS_TYPE_FILESYSTEM); | |
5192 | ||
5193 | err = nvlist_size(nvl, &nvsz, NV_ENCODE_NATIVE); | |
5194 | assert(err == 0); | |
5195 | ||
5196 | nvbuf = malloc(nvsz); | |
5197 | ||
5198 | err = nvlist_pack(nvl, &nvbuf, &nvsz, NV_ENCODE_NATIVE, 0); | |
5199 | assert(err == 0); | |
5200 | ||
5201 | zc.zc_nvlist_src_size = nvsz; | |
5202 | zc.zc_nvlist_src = (uintptr_t)nvbuf; | |
5203 | zc.zc_perm_action = un; | |
5204 | ||
5205 | (void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); | |
5206 | ||
5207 | if (zfs_ioctl(hdl, ZFS_IOC_SET_FSACL, &zc) != 0) { | |
5208 | (void) snprintf(errbuf, sizeof (errbuf), | |
5209 | dgettext(TEXT_DOMAIN, "cannot set permissions on '%s'"), | |
5210 | zc.zc_name); | |
5211 | switch (errno) { | |
5212 | case ENOTSUP: | |
5213 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
5214 | "pool must be upgraded")); | |
5215 | err = zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
5216 | break; | |
5217 | case EINVAL: | |
5218 | err = zfs_error(hdl, EZFS_BADTYPE, errbuf); | |
5219 | break; | |
5220 | case ENOENT: | |
5221 | err = zfs_error(hdl, EZFS_NOENT, errbuf); | |
5222 | break; | |
5223 | default: | |
5224 | err = zfs_standard_error_fmt(hdl, errno, errbuf); | |
5225 | break; | |
5226 | } | |
5227 | } | |
5228 | ||
5229 | free(nvbuf); | |
5230 | ||
5231 | return (err); | |
5232 | } | |
5233 | ||
5234 | int | |
5235 | zfs_get_holds(zfs_handle_t *zhp, nvlist_t **nvl) | |
5236 | { | |
13fe0198 MA |
5237 | int err; |
5238 | char errbuf[1024]; | |
0b7936d5 | 5239 | |
13fe0198 | 5240 | err = lzc_get_holds(zhp->zfs_name, nvl); |
0b7936d5 | 5241 | |
13fe0198 MA |
5242 | if (err != 0) { |
5243 | libzfs_handle_t *hdl = zhp->zfs_hdl; | |
0b7936d5 | 5244 | |
0b7936d5 AS |
5245 | (void) snprintf(errbuf, sizeof (errbuf), |
5246 | dgettext(TEXT_DOMAIN, "cannot get holds for '%s'"), | |
13fe0198 MA |
5247 | zhp->zfs_name); |
5248 | switch (err) { | |
0b7936d5 AS |
5249 | case ENOTSUP: |
5250 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
5251 | "pool must be upgraded")); | |
5252 | err = zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
5253 | break; | |
5254 | case EINVAL: | |
5255 | err = zfs_error(hdl, EZFS_BADTYPE, errbuf); | |
5256 | break; | |
5257 | case ENOENT: | |
5258 | err = zfs_error(hdl, EZFS_NOENT, errbuf); | |
5259 | break; | |
5260 | default: | |
5261 | err = zfs_standard_error_fmt(hdl, errno, errbuf); | |
5262 | break; | |
5263 | } | |
0b7936d5 AS |
5264 | } |
5265 | ||
0b7936d5 AS |
5266 | return (err); |
5267 | } | |
5268 | ||
e49f1e20 WA |
5269 | /* |
5270 | * Convert the zvol's volume size to an appropriate reservation. | |
5271 | * Note: If this routine is updated, it is necessary to update the ZFS test | |
5272 | * suite's shell version in reservation.kshlib. | |
5273 | */ | |
428870ff BB |
5274 | uint64_t |
5275 | zvol_volsize_to_reservation(uint64_t volsize, nvlist_t *props) | |
5276 | { | |
5277 | uint64_t numdb; | |
5278 | uint64_t nblocks, volblocksize; | |
5279 | int ncopies; | |
5280 | char *strval; | |
5281 | ||
5282 | if (nvlist_lookup_string(props, | |
5283 | zfs_prop_to_name(ZFS_PROP_COPIES), &strval) == 0) | |
5284 | ncopies = atoi(strval); | |
5285 | else | |
5286 | ncopies = 1; | |
5287 | if (nvlist_lookup_uint64(props, | |
5288 | zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
5289 | &volblocksize) != 0) | |
5290 | volblocksize = ZVOL_DEFAULT_BLOCKSIZE; | |
5291 | nblocks = volsize/volblocksize; | |
5292 | /* start with metadnode L0-L6 */ | |
5293 | numdb = 7; | |
5294 | /* calculate number of indirects */ | |
5295 | while (nblocks > 1) { | |
5296 | nblocks += DNODES_PER_LEVEL - 1; | |
5297 | nblocks /= DNODES_PER_LEVEL; | |
5298 | numdb += nblocks; | |
5299 | } | |
5300 | numdb *= MIN(SPA_DVAS_PER_BP, ncopies + 1); | |
5301 | volsize *= ncopies; | |
5302 | /* | |
5303 | * this is exactly DN_MAX_INDBLKSHIFT when metadata isn't | |
5304 | * compressed, but in practice they compress down to about | |
5305 | * 1100 bytes | |
5306 | */ | |
5307 | numdb *= 1ULL << DN_MAX_INDBLKSHIFT; | |
5308 | volsize += numdb; | |
5309 | return (volsize); | |
5310 | } |