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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 | */ | |
9ae529ec | 21 | |
34dc7c2f | 22 | /* |
428870ff | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
b129c659 | 24 | * Portions Copyright 2011 Martin Matuska |
0cee2406 | 25 | * Portions Copyright 2012 Pawel Jakub Dawidek <pawel@dawidek.net> |
b129c659 | 26 | * Copyright (c) 2012, Joyent, Inc. All rights reserved. |
3541dc6d | 27 | * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
37abac6d | 28 | * Copyright (c) 2012, Joyent, Inc. All rights reserved. |
2e528b49 | 29 | * Copyright (c) 201i3 by Delphix. All rights reserved. |
9759c60f | 30 | * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. |
6f1ffb06 MA |
31 | */ |
32 | ||
33 | /* | |
34 | * ZFS ioctls. | |
35 | * | |
36 | * This file handles the ioctls to /dev/zfs, used for configuring ZFS storage | |
37 | * pools and filesystems, e.g. with /sbin/zfs and /sbin/zpool. | |
38 | * | |
39 | * There are two ways that we handle ioctls: the legacy way where almost | |
40 | * all of the logic is in the ioctl callback, and the new way where most | |
41 | * of the marshalling is handled in the common entry point, zfsdev_ioctl(). | |
42 | * | |
43 | * Non-legacy ioctls should be registered by calling | |
44 | * zfs_ioctl_register() from zfs_ioctl_init(). The ioctl is invoked | |
45 | * from userland by lzc_ioctl(). | |
46 | * | |
47 | * The registration arguments are as follows: | |
48 | * | |
49 | * const char *name | |
50 | * The name of the ioctl. This is used for history logging. If the | |
51 | * ioctl returns successfully (the callback returns 0), and allow_log | |
52 | * is true, then a history log entry will be recorded with the input & | |
53 | * output nvlists. The log entry can be printed with "zpool history -i". | |
54 | * | |
55 | * zfs_ioc_t ioc | |
56 | * The ioctl request number, which userland will pass to ioctl(2). | |
57 | * The ioctl numbers can change from release to release, because | |
58 | * the caller (libzfs) must be matched to the kernel. | |
59 | * | |
60 | * zfs_secpolicy_func_t *secpolicy | |
61 | * This function will be called before the zfs_ioc_func_t, to | |
62 | * determine if this operation is permitted. It should return EPERM | |
63 | * on failure, and 0 on success. Checks include determining if the | |
64 | * dataset is visible in this zone, and if the user has either all | |
65 | * zfs privileges in the zone (SYS_MOUNT), or has been granted permission | |
66 | * to do this operation on this dataset with "zfs allow". | |
67 | * | |
68 | * zfs_ioc_namecheck_t namecheck | |
69 | * This specifies what to expect in the zfs_cmd_t:zc_name -- a pool | |
70 | * name, a dataset name, or nothing. If the name is not well-formed, | |
71 | * the ioctl will fail and the callback will not be called. | |
72 | * Therefore, the callback can assume that the name is well-formed | |
73 | * (e.g. is null-terminated, doesn't have more than one '@' character, | |
74 | * doesn't have invalid characters). | |
75 | * | |
76 | * zfs_ioc_poolcheck_t pool_check | |
77 | * This specifies requirements on the pool state. If the pool does | |
78 | * not meet them (is suspended or is readonly), the ioctl will fail | |
79 | * and the callback will not be called. If any checks are specified | |
80 | * (i.e. it is not POOL_CHECK_NONE), namecheck must not be NO_NAME. | |
81 | * Multiple checks can be or-ed together (e.g. POOL_CHECK_SUSPENDED | | |
82 | * POOL_CHECK_READONLY). | |
83 | * | |
84 | * boolean_t smush_outnvlist | |
85 | * If smush_outnvlist is true, then the output is presumed to be a | |
86 | * list of errors, and it will be "smushed" down to fit into the | |
87 | * caller's buffer, by removing some entries and replacing them with a | |
88 | * single "N_MORE_ERRORS" entry indicating how many were removed. See | |
89 | * nvlist_smush() for details. If smush_outnvlist is false, and the | |
90 | * outnvlist does not fit into the userland-provided buffer, then the | |
91 | * ioctl will fail with ENOMEM. | |
92 | * | |
93 | * zfs_ioc_func_t *func | |
94 | * The callback function that will perform the operation. | |
95 | * | |
96 | * The callback should return 0 on success, or an error number on | |
97 | * failure. If the function fails, the userland ioctl will return -1, | |
98 | * and errno will be set to the callback's return value. The callback | |
99 | * will be called with the following arguments: | |
100 | * | |
101 | * const char *name | |
102 | * The name of the pool or dataset to operate on, from | |
103 | * zfs_cmd_t:zc_name. The 'namecheck' argument specifies the | |
104 | * expected type (pool, dataset, or none). | |
105 | * | |
106 | * nvlist_t *innvl | |
107 | * The input nvlist, deserialized from zfs_cmd_t:zc_nvlist_src. Or | |
108 | * NULL if no input nvlist was provided. Changes to this nvlist are | |
109 | * ignored. If the input nvlist could not be deserialized, the | |
110 | * ioctl will fail and the callback will not be called. | |
111 | * | |
112 | * nvlist_t *outnvl | |
113 | * The output nvlist, initially empty. The callback can fill it in, | |
114 | * and it will be returned to userland by serializing it into | |
115 | * zfs_cmd_t:zc_nvlist_dst. If it is non-empty, and serialization | |
116 | * fails (e.g. because the caller didn't supply a large enough | |
117 | * buffer), then the overall ioctl will fail. See the | |
118 | * 'smush_nvlist' argument above for additional behaviors. | |
119 | * | |
120 | * There are two typical uses of the output nvlist: | |
121 | * - To return state, e.g. property values. In this case, | |
122 | * smush_outnvlist should be false. If the buffer was not large | |
123 | * enough, the caller will reallocate a larger buffer and try | |
124 | * the ioctl again. | |
125 | * | |
126 | * - To return multiple errors from an ioctl which makes on-disk | |
127 | * changes. In this case, smush_outnvlist should be true. | |
128 | * Ioctls which make on-disk modifications should generally not | |
129 | * use the outnvl if they succeed, because the caller can not | |
130 | * distinguish between the operation failing, and | |
131 | * deserialization failing. | |
3541dc6d | 132 | */ |
34dc7c2f | 133 | |
34dc7c2f BB |
134 | #include <sys/types.h> |
135 | #include <sys/param.h> | |
136 | #include <sys/errno.h> | |
137 | #include <sys/uio.h> | |
138 | #include <sys/buf.h> | |
139 | #include <sys/modctl.h> | |
140 | #include <sys/open.h> | |
141 | #include <sys/file.h> | |
142 | #include <sys/kmem.h> | |
143 | #include <sys/conf.h> | |
144 | #include <sys/cmn_err.h> | |
145 | #include <sys/stat.h> | |
146 | #include <sys/zfs_ioctl.h> | |
428870ff | 147 | #include <sys/zfs_vfsops.h> |
34dc7c2f BB |
148 | #include <sys/zfs_znode.h> |
149 | #include <sys/zap.h> | |
150 | #include <sys/spa.h> | |
151 | #include <sys/spa_impl.h> | |
152 | #include <sys/vdev.h> | |
428870ff | 153 | #include <sys/priv_impl.h> |
34dc7c2f BB |
154 | #include <sys/dmu.h> |
155 | #include <sys/dsl_dir.h> | |
156 | #include <sys/dsl_dataset.h> | |
157 | #include <sys/dsl_prop.h> | |
158 | #include <sys/dsl_deleg.h> | |
159 | #include <sys/dmu_objset.h> | |
37abac6d | 160 | #include <sys/dmu_impl.h> |
13fe0198 | 161 | #include <sys/dmu_tx.h> |
34dc7c2f BB |
162 | #include <sys/ddi.h> |
163 | #include <sys/sunddi.h> | |
164 | #include <sys/sunldi.h> | |
165 | #include <sys/policy.h> | |
166 | #include <sys/zone.h> | |
167 | #include <sys/nvpair.h> | |
168 | #include <sys/pathname.h> | |
169 | #include <sys/mount.h> | |
170 | #include <sys/sdt.h> | |
171 | #include <sys/fs/zfs.h> | |
ebe7e575 | 172 | #include <sys/zfs_ctldir.h> |
34dc7c2f | 173 | #include <sys/zfs_dir.h> |
572e2857 | 174 | #include <sys/zfs_onexit.h> |
34dc7c2f | 175 | #include <sys/zvol.h> |
428870ff | 176 | #include <sys/dsl_scan.h> |
34dc7c2f | 177 | #include <sharefs/share.h> |
325f0235 BB |
178 | #include <sys/fm/util.h> |
179 | ||
13fe0198 MA |
180 | #include <sys/dmu_send.h> |
181 | #include <sys/dsl_destroy.h> | |
182 | #include <sys/dsl_userhold.h> | |
9759c60f ED |
183 | #include <sys/zfeature.h> |
184 | ||
325f0235 | 185 | #include <linux/miscdevice.h> |
34dc7c2f BB |
186 | |
187 | #include "zfs_namecheck.h" | |
188 | #include "zfs_prop.h" | |
189 | #include "zfs_deleg.h" | |
428870ff | 190 | #include "zfs_comutil.h" |
34dc7c2f | 191 | |
325f0235 BB |
192 | kmutex_t zfsdev_state_lock; |
193 | list_t zfsdev_state_list; | |
34dc7c2f BB |
194 | |
195 | extern void zfs_init(void); | |
196 | extern void zfs_fini(void); | |
197 | ||
6f1ffb06 MA |
198 | uint_t zfs_fsyncer_key; |
199 | extern uint_t rrw_tsd_key; | |
200 | static uint_t zfs_allow_log_key; | |
201 | ||
202 | typedef int zfs_ioc_legacy_func_t(zfs_cmd_t *); | |
203 | typedef int zfs_ioc_func_t(const char *, nvlist_t *, nvlist_t *); | |
204 | typedef int zfs_secpolicy_func_t(zfs_cmd_t *, nvlist_t *, cred_t *); | |
34dc7c2f | 205 | |
9babb374 BB |
206 | typedef enum { |
207 | NO_NAME, | |
208 | POOL_NAME, | |
209 | DATASET_NAME | |
210 | } zfs_ioc_namecheck_t; | |
211 | ||
572e2857 BB |
212 | typedef enum { |
213 | POOL_CHECK_NONE = 1 << 0, | |
214 | POOL_CHECK_SUSPENDED = 1 << 1, | |
6f1ffb06 | 215 | POOL_CHECK_READONLY = 1 << 2, |
572e2857 BB |
216 | } zfs_ioc_poolcheck_t; |
217 | ||
34dc7c2f | 218 | typedef struct zfs_ioc_vec { |
6f1ffb06 | 219 | zfs_ioc_legacy_func_t *zvec_legacy_func; |
34dc7c2f BB |
220 | zfs_ioc_func_t *zvec_func; |
221 | zfs_secpolicy_func_t *zvec_secpolicy; | |
9babb374 | 222 | zfs_ioc_namecheck_t zvec_namecheck; |
6f1ffb06 | 223 | boolean_t zvec_allow_log; |
572e2857 | 224 | zfs_ioc_poolcheck_t zvec_pool_check; |
6f1ffb06 MA |
225 | boolean_t zvec_smush_outnvlist; |
226 | const char *zvec_name; | |
34dc7c2f BB |
227 | } zfs_ioc_vec_t; |
228 | ||
9babb374 BB |
229 | /* This array is indexed by zfs_userquota_prop_t */ |
230 | static const char *userquota_perms[] = { | |
231 | ZFS_DELEG_PERM_USERUSED, | |
232 | ZFS_DELEG_PERM_USERQUOTA, | |
233 | ZFS_DELEG_PERM_GROUPUSED, | |
234 | ZFS_DELEG_PERM_GROUPQUOTA, | |
235 | }; | |
236 | ||
237 | static int zfs_ioc_userspace_upgrade(zfs_cmd_t *zc); | |
428870ff BB |
238 | static int zfs_check_settable(const char *name, nvpair_t *property, |
239 | cred_t *cr); | |
240 | static int zfs_check_clearable(char *dataset, nvlist_t *props, | |
241 | nvlist_t **errors); | |
b128c09f BB |
242 | static int zfs_fill_zplprops_root(uint64_t, nvlist_t *, nvlist_t *, |
243 | boolean_t *); | |
6f1ffb06 MA |
244 | int zfs_set_prop_nvlist(const char *, zprop_source_t, nvlist_t *, nvlist_t *); |
245 | static int get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp); | |
b128c09f | 246 | |
13fe0198 | 247 | static int zfs_prop_activate_feature(spa_t *spa, zfeature_info_t *feature); |
9759c60f | 248 | |
34dc7c2f BB |
249 | static void |
250 | history_str_free(char *buf) | |
251 | { | |
252 | kmem_free(buf, HIS_MAX_RECORD_LEN); | |
253 | } | |
254 | ||
255 | static char * | |
256 | history_str_get(zfs_cmd_t *zc) | |
257 | { | |
258 | char *buf; | |
259 | ||
b8864a23 | 260 | if (zc->zc_history == 0) |
34dc7c2f BB |
261 | return (NULL); |
262 | ||
00b46022 | 263 | buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP | KM_NODEBUG); |
34dc7c2f BB |
264 | if (copyinstr((void *)(uintptr_t)zc->zc_history, |
265 | buf, HIS_MAX_RECORD_LEN, NULL) != 0) { | |
266 | history_str_free(buf); | |
267 | return (NULL); | |
268 | } | |
269 | ||
270 | buf[HIS_MAX_RECORD_LEN -1] = '\0'; | |
271 | ||
272 | return (buf); | |
273 | } | |
274 | ||
275 | /* | |
b128c09f BB |
276 | * Check to see if the named dataset is currently defined as bootable |
277 | */ | |
278 | static boolean_t | |
279 | zfs_is_bootfs(const char *name) | |
280 | { | |
428870ff | 281 | objset_t *os; |
b128c09f | 282 | |
428870ff BB |
283 | if (dmu_objset_hold(name, FTAG, &os) == 0) { |
284 | boolean_t ret; | |
285 | ret = (dmu_objset_id(os) == spa_bootfs(dmu_objset_spa(os))); | |
286 | dmu_objset_rele(os, FTAG); | |
287 | return (ret); | |
b128c09f | 288 | } |
428870ff | 289 | return (B_FALSE); |
b128c09f BB |
290 | } |
291 | ||
292 | /* | |
d3cc8b15 | 293 | * Return non-zero if the spa version is less than requested version. |
34dc7c2f BB |
294 | */ |
295 | static int | |
b128c09f | 296 | zfs_earlier_version(const char *name, int version) |
34dc7c2f | 297 | { |
34dc7c2f BB |
298 | spa_t *spa; |
299 | ||
300 | if (spa_open(name, &spa, FTAG) == 0) { | |
301 | if (spa_version(spa) < version) { | |
302 | spa_close(spa, FTAG); | |
303 | return (1); | |
304 | } | |
305 | spa_close(spa, FTAG); | |
306 | } | |
307 | return (0); | |
308 | } | |
309 | ||
310 | /* | |
b128c09f | 311 | * Return TRUE if the ZPL version is less than requested version. |
34dc7c2f | 312 | */ |
b128c09f BB |
313 | static boolean_t |
314 | zpl_earlier_version(const char *name, int version) | |
34dc7c2f BB |
315 | { |
316 | objset_t *os; | |
b128c09f | 317 | boolean_t rc = B_TRUE; |
34dc7c2f | 318 | |
428870ff | 319 | if (dmu_objset_hold(name, FTAG, &os) == 0) { |
b128c09f | 320 | uint64_t zplversion; |
34dc7c2f | 321 | |
428870ff BB |
322 | if (dmu_objset_type(os) != DMU_OST_ZFS) { |
323 | dmu_objset_rele(os, FTAG); | |
324 | return (B_TRUE); | |
325 | } | |
326 | /* XXX reading from non-owned objset */ | |
b128c09f BB |
327 | if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &zplversion) == 0) |
328 | rc = zplversion < version; | |
428870ff | 329 | dmu_objset_rele(os, FTAG); |
34dc7c2f BB |
330 | } |
331 | return (rc); | |
332 | } | |
333 | ||
334 | static void | |
335 | zfs_log_history(zfs_cmd_t *zc) | |
336 | { | |
337 | spa_t *spa; | |
338 | char *buf; | |
339 | ||
340 | if ((buf = history_str_get(zc)) == NULL) | |
341 | return; | |
342 | ||
343 | if (spa_open(zc->zc_name, &spa, FTAG) == 0) { | |
344 | if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) | |
6f1ffb06 | 345 | (void) spa_history_log(spa, buf); |
34dc7c2f BB |
346 | spa_close(spa, FTAG); |
347 | } | |
348 | history_str_free(buf); | |
349 | } | |
350 | ||
351 | /* | |
352 | * Policy for top-level read operations (list pools). Requires no privileges, | |
353 | * and can be used in the local zone, as there is no associated dataset. | |
354 | */ | |
355 | /* ARGSUSED */ | |
356 | static int | |
6f1ffb06 | 357 | zfs_secpolicy_none(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f BB |
358 | { |
359 | return (0); | |
360 | } | |
361 | ||
362 | /* | |
363 | * Policy for dataset read operations (list children, get statistics). Requires | |
364 | * no privileges, but must be visible in the local zone. | |
365 | */ | |
366 | /* ARGSUSED */ | |
367 | static int | |
6f1ffb06 | 368 | zfs_secpolicy_read(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f BB |
369 | { |
370 | if (INGLOBALZONE(curproc) || | |
371 | zone_dataset_visible(zc->zc_name, NULL)) | |
372 | return (0); | |
373 | ||
2e528b49 | 374 | return (SET_ERROR(ENOENT)); |
34dc7c2f BB |
375 | } |
376 | ||
377 | static int | |
572e2857 | 378 | zfs_dozonecheck_impl(const char *dataset, uint64_t zoned, cred_t *cr) |
34dc7c2f | 379 | { |
34dc7c2f BB |
380 | int writable = 1; |
381 | ||
382 | /* | |
383 | * The dataset must be visible by this zone -- check this first | |
384 | * so they don't see EPERM on something they shouldn't know about. | |
385 | */ | |
386 | if (!INGLOBALZONE(curproc) && | |
387 | !zone_dataset_visible(dataset, &writable)) | |
2e528b49 | 388 | return (SET_ERROR(ENOENT)); |
34dc7c2f | 389 | |
34dc7c2f BB |
390 | if (INGLOBALZONE(curproc)) { |
391 | /* | |
392 | * If the fs is zoned, only root can access it from the | |
393 | * global zone. | |
394 | */ | |
395 | if (secpolicy_zfs(cr) && zoned) | |
2e528b49 | 396 | return (SET_ERROR(EPERM)); |
34dc7c2f BB |
397 | } else { |
398 | /* | |
399 | * If we are in a local zone, the 'zoned' property must be set. | |
400 | */ | |
401 | if (!zoned) | |
2e528b49 | 402 | return (SET_ERROR(EPERM)); |
34dc7c2f BB |
403 | |
404 | /* must be writable by this zone */ | |
405 | if (!writable) | |
2e528b49 | 406 | return (SET_ERROR(EPERM)); |
34dc7c2f BB |
407 | } |
408 | return (0); | |
409 | } | |
410 | ||
572e2857 BB |
411 | static int |
412 | zfs_dozonecheck(const char *dataset, cred_t *cr) | |
413 | { | |
414 | uint64_t zoned; | |
415 | ||
416 | if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) | |
2e528b49 | 417 | return (SET_ERROR(ENOENT)); |
572e2857 BB |
418 | |
419 | return (zfs_dozonecheck_impl(dataset, zoned, cr)); | |
420 | } | |
421 | ||
422 | static int | |
423 | zfs_dozonecheck_ds(const char *dataset, dsl_dataset_t *ds, cred_t *cr) | |
424 | { | |
425 | uint64_t zoned; | |
426 | ||
13fe0198 | 427 | if (dsl_prop_get_int_ds(ds, "zoned", &zoned)) |
2e528b49 | 428 | return (SET_ERROR(ENOENT)); |
572e2857 BB |
429 | |
430 | return (zfs_dozonecheck_impl(dataset, zoned, cr)); | |
431 | } | |
432 | ||
6f1ffb06 | 433 | static int |
13fe0198 MA |
434 | zfs_secpolicy_write_perms_ds(const char *name, dsl_dataset_t *ds, |
435 | const char *perm, cred_t *cr) | |
34dc7c2f BB |
436 | { |
437 | int error; | |
438 | ||
330d06f9 | 439 | error = zfs_dozonecheck_ds(name, ds, cr); |
34dc7c2f BB |
440 | if (error == 0) { |
441 | error = secpolicy_zfs(cr); | |
13fe0198 | 442 | if (error != 0) |
6f1ffb06 | 443 | error = dsl_deleg_access_impl(ds, perm, cr); |
34dc7c2f BB |
444 | } |
445 | return (error); | |
446 | } | |
447 | ||
6f1ffb06 | 448 | static int |
13fe0198 | 449 | zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) |
572e2857 BB |
450 | { |
451 | int error; | |
13fe0198 MA |
452 | dsl_dataset_t *ds; |
453 | dsl_pool_t *dp; | |
572e2857 | 454 | |
13fe0198 MA |
455 | error = dsl_pool_hold(name, FTAG, &dp); |
456 | if (error != 0) | |
457 | return (error); | |
458 | ||
459 | error = dsl_dataset_hold(dp, name, FTAG, &ds); | |
460 | if (error != 0) { | |
461 | dsl_pool_rele(dp, FTAG); | |
462 | return (error); | |
572e2857 | 463 | } |
13fe0198 MA |
464 | |
465 | error = zfs_secpolicy_write_perms_ds(name, ds, perm, cr); | |
466 | ||
467 | dsl_dataset_rele(ds, FTAG); | |
468 | dsl_pool_rele(dp, FTAG); | |
572e2857 BB |
469 | return (error); |
470 | } | |
471 | ||
428870ff BB |
472 | /* |
473 | * Policy for setting the security label property. | |
474 | * | |
475 | * Returns 0 for success, non-zero for access and other errors. | |
476 | */ | |
34dc7c2f | 477 | static int |
428870ff | 478 | zfs_set_slabel_policy(const char *name, char *strval, cred_t *cr) |
34dc7c2f | 479 | { |
d2c15e84 | 480 | #ifdef HAVE_MLSLABEL |
428870ff BB |
481 | char ds_hexsl[MAXNAMELEN]; |
482 | bslabel_t ds_sl, new_sl; | |
483 | boolean_t new_default = FALSE; | |
484 | uint64_t zoned; | |
485 | int needed_priv = -1; | |
486 | int error; | |
487 | ||
488 | /* First get the existing dataset label. */ | |
489 | error = dsl_prop_get(name, zfs_prop_to_name(ZFS_PROP_MLSLABEL), | |
490 | 1, sizeof (ds_hexsl), &ds_hexsl, NULL); | |
13fe0198 | 491 | if (error != 0) |
2e528b49 | 492 | return (SET_ERROR(EPERM)); |
428870ff BB |
493 | |
494 | if (strcasecmp(strval, ZFS_MLSLABEL_DEFAULT) == 0) | |
495 | new_default = TRUE; | |
496 | ||
497 | /* The label must be translatable */ | |
498 | if (!new_default && (hexstr_to_label(strval, &new_sl) != 0)) | |
2e528b49 | 499 | return (SET_ERROR(EINVAL)); |
428870ff BB |
500 | |
501 | /* | |
502 | * In a non-global zone, disallow attempts to set a label that | |
503 | * doesn't match that of the zone; otherwise no other checks | |
504 | * are needed. | |
505 | */ | |
506 | if (!INGLOBALZONE(curproc)) { | |
507 | if (new_default || !blequal(&new_sl, CR_SL(CRED()))) | |
2e528b49 | 508 | return (SET_ERROR(EPERM)); |
428870ff BB |
509 | return (0); |
510 | } | |
511 | ||
512 | /* | |
513 | * For global-zone datasets (i.e., those whose zoned property is | |
514 | * "off", verify that the specified new label is valid for the | |
515 | * global zone. | |
516 | */ | |
517 | if (dsl_prop_get_integer(name, | |
518 | zfs_prop_to_name(ZFS_PROP_ZONED), &zoned, NULL)) | |
2e528b49 | 519 | return (SET_ERROR(EPERM)); |
428870ff BB |
520 | if (!zoned) { |
521 | if (zfs_check_global_label(name, strval) != 0) | |
2e528b49 | 522 | return (SET_ERROR(EPERM)); |
428870ff BB |
523 | } |
524 | ||
525 | /* | |
526 | * If the existing dataset label is nondefault, check if the | |
527 | * dataset is mounted (label cannot be changed while mounted). | |
3558fd73 | 528 | * Get the zfs_sb_t; if there isn't one, then the dataset isn't |
428870ff BB |
529 | * mounted (or isn't a dataset, doesn't exist, ...). |
530 | */ | |
531 | if (strcasecmp(ds_hexsl, ZFS_MLSLABEL_DEFAULT) != 0) { | |
532 | objset_t *os; | |
533 | static char *setsl_tag = "setsl_tag"; | |
534 | ||
535 | /* | |
536 | * Try to own the dataset; abort if there is any error, | |
537 | * (e.g., already mounted, in use, or other error). | |
538 | */ | |
539 | error = dmu_objset_own(name, DMU_OST_ZFS, B_TRUE, | |
540 | setsl_tag, &os); | |
13fe0198 | 541 | if (error != 0) |
2e528b49 | 542 | return (SET_ERROR(EPERM)); |
428870ff BB |
543 | |
544 | dmu_objset_disown(os, setsl_tag); | |
545 | ||
546 | if (new_default) { | |
547 | needed_priv = PRIV_FILE_DOWNGRADE_SL; | |
548 | goto out_check; | |
549 | } | |
550 | ||
551 | if (hexstr_to_label(strval, &new_sl) != 0) | |
2e528b49 | 552 | return (SET_ERROR(EPERM)); |
428870ff BB |
553 | |
554 | if (blstrictdom(&ds_sl, &new_sl)) | |
555 | needed_priv = PRIV_FILE_DOWNGRADE_SL; | |
556 | else if (blstrictdom(&new_sl, &ds_sl)) | |
557 | needed_priv = PRIV_FILE_UPGRADE_SL; | |
558 | } else { | |
559 | /* dataset currently has a default label */ | |
560 | if (!new_default) | |
561 | needed_priv = PRIV_FILE_UPGRADE_SL; | |
562 | } | |
563 | ||
564 | out_check: | |
565 | if (needed_priv != -1) | |
566 | return (PRIV_POLICY(cr, needed_priv, B_FALSE, EPERM, NULL)); | |
567 | return (0); | |
d2c15e84 BB |
568 | #else |
569 | return ENOTSUP; | |
570 | #endif /* HAVE_MLSLABEL */ | |
428870ff BB |
571 | } |
572 | ||
573 | static int | |
574 | zfs_secpolicy_setprop(const char *dsname, zfs_prop_t prop, nvpair_t *propval, | |
575 | cred_t *cr) | |
576 | { | |
577 | char *strval; | |
578 | ||
34dc7c2f BB |
579 | /* |
580 | * Check permissions for special properties. | |
581 | */ | |
582 | switch (prop) { | |
e75c13c3 BB |
583 | default: |
584 | break; | |
34dc7c2f BB |
585 | case ZFS_PROP_ZONED: |
586 | /* | |
587 | * Disallow setting of 'zoned' from within a local zone. | |
588 | */ | |
589 | if (!INGLOBALZONE(curproc)) | |
2e528b49 | 590 | return (SET_ERROR(EPERM)); |
34dc7c2f BB |
591 | break; |
592 | ||
593 | case ZFS_PROP_QUOTA: | |
594 | if (!INGLOBALZONE(curproc)) { | |
595 | uint64_t zoned; | |
596 | char setpoint[MAXNAMELEN]; | |
597 | /* | |
598 | * Unprivileged users are allowed to modify the | |
599 | * quota on things *under* (ie. contained by) | |
600 | * the thing they own. | |
601 | */ | |
428870ff | 602 | if (dsl_prop_get_integer(dsname, "zoned", &zoned, |
34dc7c2f | 603 | setpoint)) |
2e528b49 | 604 | return (SET_ERROR(EPERM)); |
428870ff | 605 | if (!zoned || strlen(dsname) <= strlen(setpoint)) |
2e528b49 | 606 | return (SET_ERROR(EPERM)); |
34dc7c2f BB |
607 | } |
608 | break; | |
428870ff BB |
609 | |
610 | case ZFS_PROP_MLSLABEL: | |
611 | if (!is_system_labeled()) | |
2e528b49 | 612 | return (SET_ERROR(EPERM)); |
428870ff BB |
613 | |
614 | if (nvpair_value_string(propval, &strval) == 0) { | |
615 | int err; | |
616 | ||
617 | err = zfs_set_slabel_policy(dsname, strval, CRED()); | |
618 | if (err != 0) | |
619 | return (err); | |
620 | } | |
621 | break; | |
34dc7c2f BB |
622 | } |
623 | ||
428870ff | 624 | return (zfs_secpolicy_write_perms(dsname, zfs_prop_to_name(prop), cr)); |
34dc7c2f BB |
625 | } |
626 | ||
6f1ffb06 MA |
627 | /* ARGSUSED */ |
628 | static int | |
629 | zfs_secpolicy_set_fsacl(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) | |
34dc7c2f BB |
630 | { |
631 | int error; | |
632 | ||
633 | error = zfs_dozonecheck(zc->zc_name, cr); | |
13fe0198 | 634 | if (error != 0) |
34dc7c2f BB |
635 | return (error); |
636 | ||
637 | /* | |
638 | * permission to set permissions will be evaluated later in | |
639 | * dsl_deleg_can_allow() | |
640 | */ | |
641 | return (0); | |
642 | } | |
643 | ||
6f1ffb06 MA |
644 | /* ARGSUSED */ |
645 | static int | |
646 | zfs_secpolicy_rollback(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) | |
34dc7c2f | 647 | { |
428870ff BB |
648 | return (zfs_secpolicy_write_perms(zc->zc_name, |
649 | ZFS_DELEG_PERM_ROLLBACK, cr)); | |
34dc7c2f BB |
650 | } |
651 | ||
6f1ffb06 MA |
652 | /* ARGSUSED */ |
653 | static int | |
654 | zfs_secpolicy_send(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) | |
34dc7c2f | 655 | { |
572e2857 BB |
656 | dsl_pool_t *dp; |
657 | dsl_dataset_t *ds; | |
658 | char *cp; | |
659 | int error; | |
660 | ||
661 | /* | |
662 | * Generate the current snapshot name from the given objsetid, then | |
663 | * use that name for the secpolicy/zone checks. | |
664 | */ | |
665 | cp = strchr(zc->zc_name, '@'); | |
666 | if (cp == NULL) | |
2e528b49 | 667 | return (SET_ERROR(EINVAL)); |
13fe0198 MA |
668 | error = dsl_pool_hold(zc->zc_name, FTAG, &dp); |
669 | if (error != 0) | |
572e2857 BB |
670 | return (error); |
671 | ||
572e2857 | 672 | error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &ds); |
13fe0198 MA |
673 | if (error != 0) { |
674 | dsl_pool_rele(dp, FTAG); | |
572e2857 | 675 | return (error); |
13fe0198 | 676 | } |
572e2857 BB |
677 | |
678 | dsl_dataset_name(ds, zc->zc_name); | |
679 | ||
680 | error = zfs_secpolicy_write_perms_ds(zc->zc_name, ds, | |
681 | ZFS_DELEG_PERM_SEND, cr); | |
682 | dsl_dataset_rele(ds, FTAG); | |
13fe0198 | 683 | dsl_pool_rele(dp, FTAG); |
572e2857 BB |
684 | |
685 | return (error); | |
34dc7c2f BB |
686 | } |
687 | ||
6f1ffb06 MA |
688 | /* ARGSUSED */ |
689 | static int | |
690 | zfs_secpolicy_send_new(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) | |
691 | { | |
692 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
693 | ZFS_DELEG_PERM_SEND, cr)); | |
694 | } | |
695 | ||
3c9609b3 | 696 | #ifdef HAVE_SMB_SHARE |
6f1ffb06 | 697 | /* ARGSUSED */ |
9babb374 | 698 | static int |
6f1ffb06 | 699 | zfs_secpolicy_deleg_share(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
9babb374 BB |
700 | { |
701 | vnode_t *vp; | |
702 | int error; | |
703 | ||
704 | if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, | |
705 | NO_FOLLOW, NULL, &vp)) != 0) | |
706 | return (error); | |
707 | ||
708 | /* Now make sure mntpnt and dataset are ZFS */ | |
709 | ||
710 | if (vp->v_vfsp->vfs_fstype != zfsfstype || | |
711 | (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), | |
712 | zc->zc_name) != 0)) { | |
713 | VN_RELE(vp); | |
2e528b49 | 714 | return (SET_ERROR(EPERM)); |
9babb374 BB |
715 | } |
716 | ||
717 | VN_RELE(vp); | |
718 | return (dsl_deleg_access(zc->zc_name, | |
719 | ZFS_DELEG_PERM_SHARE, cr)); | |
720 | } | |
3c9609b3 | 721 | #endif /* HAVE_SMB_SHARE */ |
9babb374 | 722 | |
34dc7c2f | 723 | int |
6f1ffb06 | 724 | zfs_secpolicy_share(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f | 725 | { |
3c9609b3 | 726 | #ifdef HAVE_SMB_SHARE |
34dc7c2f | 727 | if (!INGLOBALZONE(curproc)) |
2e528b49 | 728 | return (SET_ERROR(EPERM)); |
34dc7c2f BB |
729 | |
730 | if (secpolicy_nfs(cr) == 0) { | |
731 | return (0); | |
732 | } else { | |
6f1ffb06 | 733 | return (zfs_secpolicy_deleg_share(zc, innvl, cr)); |
9babb374 | 734 | } |
325f0235 | 735 | #else |
2e528b49 | 736 | return (SET_ERROR(ENOTSUP)); |
3c9609b3 | 737 | #endif /* HAVE_SMB_SHARE */ |
9babb374 | 738 | } |
34dc7c2f | 739 | |
9babb374 | 740 | int |
6f1ffb06 | 741 | zfs_secpolicy_smb_acl(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
9babb374 | 742 | { |
3c9609b3 | 743 | #ifdef HAVE_SMB_SHARE |
9babb374 | 744 | if (!INGLOBALZONE(curproc)) |
2e528b49 | 745 | return (SET_ERROR(EPERM)); |
34dc7c2f | 746 | |
9babb374 BB |
747 | if (secpolicy_smb(cr) == 0) { |
748 | return (0); | |
749 | } else { | |
6f1ffb06 | 750 | return (zfs_secpolicy_deleg_share(zc, innvl, cr)); |
34dc7c2f | 751 | } |
325f0235 | 752 | #else |
2e528b49 | 753 | return (SET_ERROR(ENOTSUP)); |
3c9609b3 | 754 | #endif /* HAVE_SMB_SHARE */ |
34dc7c2f BB |
755 | } |
756 | ||
757 | static int | |
758 | zfs_get_parent(const char *datasetname, char *parent, int parentsize) | |
759 | { | |
760 | char *cp; | |
761 | ||
762 | /* | |
763 | * Remove the @bla or /bla from the end of the name to get the parent. | |
764 | */ | |
765 | (void) strncpy(parent, datasetname, parentsize); | |
766 | cp = strrchr(parent, '@'); | |
767 | if (cp != NULL) { | |
768 | cp[0] = '\0'; | |
769 | } else { | |
770 | cp = strrchr(parent, '/'); | |
771 | if (cp == NULL) | |
2e528b49 | 772 | return (SET_ERROR(ENOENT)); |
34dc7c2f BB |
773 | cp[0] = '\0'; |
774 | } | |
775 | ||
776 | return (0); | |
777 | } | |
778 | ||
779 | int | |
780 | zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) | |
781 | { | |
782 | int error; | |
783 | ||
784 | if ((error = zfs_secpolicy_write_perms(name, | |
785 | ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
786 | return (error); | |
787 | ||
788 | return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); | |
789 | } | |
790 | ||
6f1ffb06 | 791 | /* ARGSUSED */ |
34dc7c2f | 792 | static int |
6f1ffb06 | 793 | zfs_secpolicy_destroy(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f BB |
794 | { |
795 | return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); | |
796 | } | |
797 | ||
798 | /* | |
428870ff | 799 | * Destroying snapshots with delegated permissions requires |
6f1ffb06 | 800 | * descendant mount and destroy permissions. |
34dc7c2f | 801 | */ |
6f1ffb06 | 802 | /* ARGSUSED */ |
34dc7c2f | 803 | static int |
6f1ffb06 | 804 | zfs_secpolicy_destroy_snaps(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f | 805 | { |
6f1ffb06 MA |
806 | nvlist_t *snaps; |
807 | nvpair_t *pair, *nextpair; | |
808 | int error = 0; | |
428870ff | 809 | |
6f1ffb06 | 810 | if (nvlist_lookup_nvlist(innvl, "snaps", &snaps) != 0) |
2e528b49 | 811 | return (SET_ERROR(EINVAL)); |
6f1ffb06 MA |
812 | for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; |
813 | pair = nextpair) { | |
13fe0198 | 814 | dsl_pool_t *dp; |
6f1ffb06 | 815 | dsl_dataset_t *ds; |
428870ff | 816 | |
13fe0198 MA |
817 | error = dsl_pool_hold(nvpair_name(pair), FTAG, &dp); |
818 | if (error != 0) | |
819 | break; | |
6f1ffb06 | 820 | nextpair = nvlist_next_nvpair(snaps, pair); |
13fe0198 MA |
821 | error = dsl_dataset_hold(dp, nvpair_name(pair), FTAG, &ds); |
822 | if (error == 0) | |
6f1ffb06 | 823 | dsl_dataset_rele(ds, FTAG); |
13fe0198 MA |
824 | dsl_pool_rele(dp, FTAG); |
825 | ||
826 | if (error == 0) { | |
827 | error = zfs_secpolicy_destroy_perms(nvpair_name(pair), | |
828 | cr); | |
6f1ffb06 MA |
829 | } else if (error == ENOENT) { |
830 | /* | |
831 | * Ignore any snapshots that don't exist (we consider | |
832 | * them "already destroyed"). Remove the name from the | |
833 | * nvl here in case the snapshot is created between | |
834 | * now and when we try to destroy it (in which case | |
835 | * we don't want to destroy it since we haven't | |
836 | * checked for permission). | |
837 | */ | |
838 | fnvlist_remove_nvpair(snaps, pair); | |
839 | error = 0; | |
6f1ffb06 | 840 | } |
6f1ffb06 MA |
841 | if (error != 0) |
842 | break; | |
843 | } | |
428870ff | 844 | |
428870ff | 845 | return (error); |
34dc7c2f BB |
846 | } |
847 | ||
848 | int | |
849 | zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) | |
850 | { | |
428870ff | 851 | char parentname[MAXNAMELEN]; |
34dc7c2f BB |
852 | int error; |
853 | ||
854 | if ((error = zfs_secpolicy_write_perms(from, | |
855 | ZFS_DELEG_PERM_RENAME, cr)) != 0) | |
856 | return (error); | |
857 | ||
858 | if ((error = zfs_secpolicy_write_perms(from, | |
859 | ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
860 | return (error); | |
861 | ||
862 | if ((error = zfs_get_parent(to, parentname, | |
863 | sizeof (parentname))) != 0) | |
864 | return (error); | |
865 | ||
866 | if ((error = zfs_secpolicy_write_perms(parentname, | |
867 | ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
868 | return (error); | |
869 | ||
870 | if ((error = zfs_secpolicy_write_perms(parentname, | |
871 | ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
872 | return (error); | |
873 | ||
874 | return (error); | |
875 | } | |
876 | ||
6f1ffb06 | 877 | /* ARGSUSED */ |
34dc7c2f | 878 | static int |
6f1ffb06 | 879 | zfs_secpolicy_rename(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f BB |
880 | { |
881 | return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); | |
882 | } | |
883 | ||
6f1ffb06 | 884 | /* ARGSUSED */ |
34dc7c2f | 885 | static int |
6f1ffb06 | 886 | zfs_secpolicy_promote(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f | 887 | { |
13fe0198 MA |
888 | dsl_pool_t *dp; |
889 | dsl_dataset_t *clone; | |
34dc7c2f BB |
890 | int error; |
891 | ||
892 | error = zfs_secpolicy_write_perms(zc->zc_name, | |
893 | ZFS_DELEG_PERM_PROMOTE, cr); | |
13fe0198 MA |
894 | if (error != 0) |
895 | return (error); | |
896 | ||
897 | error = dsl_pool_hold(zc->zc_name, FTAG, &dp); | |
898 | if (error != 0) | |
34dc7c2f BB |
899 | return (error); |
900 | ||
13fe0198 | 901 | error = dsl_dataset_hold(dp, zc->zc_name, FTAG, &clone); |
34dc7c2f BB |
902 | |
903 | if (error == 0) { | |
13fe0198 MA |
904 | char parentname[MAXNAMELEN]; |
905 | dsl_dataset_t *origin = NULL; | |
34dc7c2f | 906 | dsl_dir_t *dd; |
13fe0198 | 907 | dd = clone->ds_dir; |
34dc7c2f | 908 | |
b128c09f | 909 | error = dsl_dataset_hold_obj(dd->dd_pool, |
13fe0198 MA |
910 | dd->dd_phys->dd_origin_obj, FTAG, &origin); |
911 | if (error != 0) { | |
912 | dsl_dataset_rele(clone, FTAG); | |
913 | dsl_pool_rele(dp, FTAG); | |
34dc7c2f BB |
914 | return (error); |
915 | } | |
916 | ||
13fe0198 | 917 | error = zfs_secpolicy_write_perms_ds(zc->zc_name, clone, |
34dc7c2f BB |
918 | ZFS_DELEG_PERM_MOUNT, cr); |
919 | ||
13fe0198 MA |
920 | dsl_dataset_name(origin, parentname); |
921 | if (error == 0) { | |
922 | error = zfs_secpolicy_write_perms_ds(parentname, origin, | |
34dc7c2f | 923 | ZFS_DELEG_PERM_PROMOTE, cr); |
13fe0198 MA |
924 | } |
925 | dsl_dataset_rele(clone, FTAG); | |
926 | dsl_dataset_rele(origin, FTAG); | |
34dc7c2f | 927 | } |
13fe0198 | 928 | dsl_pool_rele(dp, FTAG); |
34dc7c2f BB |
929 | return (error); |
930 | } | |
931 | ||
6f1ffb06 | 932 | /* ARGSUSED */ |
34dc7c2f | 933 | static int |
6f1ffb06 | 934 | zfs_secpolicy_recv(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f BB |
935 | { |
936 | int error; | |
937 | ||
938 | if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
939 | ZFS_DELEG_PERM_RECEIVE, cr)) != 0) | |
940 | return (error); | |
941 | ||
942 | if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
943 | ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
944 | return (error); | |
945 | ||
946 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
947 | ZFS_DELEG_PERM_CREATE, cr)); | |
948 | } | |
949 | ||
950 | int | |
951 | zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) | |
952 | { | |
428870ff BB |
953 | return (zfs_secpolicy_write_perms(name, |
954 | ZFS_DELEG_PERM_SNAPSHOT, cr)); | |
34dc7c2f BB |
955 | } |
956 | ||
6f1ffb06 MA |
957 | /* |
958 | * Check for permission to create each snapshot in the nvlist. | |
959 | */ | |
960 | /* ARGSUSED */ | |
34dc7c2f | 961 | static int |
6f1ffb06 | 962 | zfs_secpolicy_snapshot(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f | 963 | { |
6f1ffb06 MA |
964 | nvlist_t *snaps; |
965 | int error = 0; | |
966 | nvpair_t *pair; | |
967 | ||
968 | if (nvlist_lookup_nvlist(innvl, "snaps", &snaps) != 0) | |
2e528b49 | 969 | return (SET_ERROR(EINVAL)); |
6f1ffb06 MA |
970 | for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; |
971 | pair = nvlist_next_nvpair(snaps, pair)) { | |
972 | char *name = nvpair_name(pair); | |
973 | char *atp = strchr(name, '@'); | |
34dc7c2f | 974 | |
6f1ffb06 | 975 | if (atp == NULL) { |
2e528b49 | 976 | error = SET_ERROR(EINVAL); |
6f1ffb06 MA |
977 | break; |
978 | } | |
979 | *atp = '\0'; | |
980 | error = zfs_secpolicy_snapshot_perms(name, cr); | |
981 | *atp = '@'; | |
982 | if (error != 0) | |
983 | break; | |
984 | } | |
985 | return (error); | |
986 | } | |
987 | ||
988 | /* ARGSUSED */ | |
989 | static int | |
990 | zfs_secpolicy_log_history(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) | |
991 | { | |
992 | /* | |
993 | * Even root must have a proper TSD so that we know what pool | |
994 | * to log to. | |
995 | */ | |
996 | if (tsd_get(zfs_allow_log_key) == NULL) | |
2e528b49 | 997 | return (SET_ERROR(EPERM)); |
6f1ffb06 | 998 | return (0); |
34dc7c2f BB |
999 | } |
1000 | ||
1001 | static int | |
6f1ffb06 | 1002 | zfs_secpolicy_create_clone(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f | 1003 | { |
428870ff BB |
1004 | char parentname[MAXNAMELEN]; |
1005 | int error; | |
6f1ffb06 | 1006 | char *origin; |
34dc7c2f BB |
1007 | |
1008 | if ((error = zfs_get_parent(zc->zc_name, parentname, | |
1009 | sizeof (parentname))) != 0) | |
1010 | return (error); | |
1011 | ||
6f1ffb06 MA |
1012 | if (nvlist_lookup_string(innvl, "origin", &origin) == 0 && |
1013 | (error = zfs_secpolicy_write_perms(origin, | |
1014 | ZFS_DELEG_PERM_CLONE, cr)) != 0) | |
1015 | return (error); | |
34dc7c2f BB |
1016 | |
1017 | if ((error = zfs_secpolicy_write_perms(parentname, | |
1018 | ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
1019 | return (error); | |
1020 | ||
6f1ffb06 MA |
1021 | return (zfs_secpolicy_write_perms(parentname, |
1022 | ZFS_DELEG_PERM_MOUNT, cr)); | |
34dc7c2f BB |
1023 | } |
1024 | ||
34dc7c2f BB |
1025 | /* |
1026 | * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires | |
1027 | * SYS_CONFIG privilege, which is not available in a local zone. | |
1028 | */ | |
1029 | /* ARGSUSED */ | |
1030 | static int | |
6f1ffb06 | 1031 | zfs_secpolicy_config(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f BB |
1032 | { |
1033 | if (secpolicy_sys_config(cr, B_FALSE) != 0) | |
2e528b49 | 1034 | return (SET_ERROR(EPERM)); |
34dc7c2f BB |
1035 | |
1036 | return (0); | |
1037 | } | |
1038 | ||
572e2857 BB |
1039 | /* |
1040 | * Policy for object to name lookups. | |
1041 | */ | |
1042 | /* ARGSUSED */ | |
1043 | static int | |
6f1ffb06 | 1044 | zfs_secpolicy_diff(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
572e2857 BB |
1045 | { |
1046 | int error; | |
1047 | ||
1048 | if ((error = secpolicy_sys_config(cr, B_FALSE)) == 0) | |
1049 | return (0); | |
1050 | ||
1051 | error = zfs_secpolicy_write_perms(zc->zc_name, ZFS_DELEG_PERM_DIFF, cr); | |
1052 | return (error); | |
1053 | } | |
1054 | ||
34dc7c2f BB |
1055 | /* |
1056 | * Policy for fault injection. Requires all privileges. | |
1057 | */ | |
1058 | /* ARGSUSED */ | |
1059 | static int | |
6f1ffb06 | 1060 | zfs_secpolicy_inject(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f BB |
1061 | { |
1062 | return (secpolicy_zinject(cr)); | |
1063 | } | |
1064 | ||
6f1ffb06 | 1065 | /* ARGSUSED */ |
34dc7c2f | 1066 | static int |
6f1ffb06 | 1067 | zfs_secpolicy_inherit_prop(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
34dc7c2f BB |
1068 | { |
1069 | zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); | |
1070 | ||
1071 | if (prop == ZPROP_INVAL) { | |
1072 | if (!zfs_prop_user(zc->zc_value)) | |
2e528b49 | 1073 | return (SET_ERROR(EINVAL)); |
34dc7c2f BB |
1074 | return (zfs_secpolicy_write_perms(zc->zc_name, |
1075 | ZFS_DELEG_PERM_USERPROP, cr)); | |
1076 | } else { | |
428870ff BB |
1077 | return (zfs_secpolicy_setprop(zc->zc_name, prop, |
1078 | NULL, cr)); | |
34dc7c2f BB |
1079 | } |
1080 | } | |
1081 | ||
9babb374 | 1082 | static int |
6f1ffb06 | 1083 | zfs_secpolicy_userspace_one(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
9babb374 | 1084 | { |
6f1ffb06 | 1085 | int err = zfs_secpolicy_read(zc, innvl, cr); |
9babb374 BB |
1086 | if (err) |
1087 | return (err); | |
1088 | ||
1089 | if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) | |
2e528b49 | 1090 | return (SET_ERROR(EINVAL)); |
9babb374 BB |
1091 | |
1092 | if (zc->zc_value[0] == 0) { | |
1093 | /* | |
1094 | * They are asking about a posix uid/gid. If it's | |
1095 | * themself, allow it. | |
1096 | */ | |
1097 | if (zc->zc_objset_type == ZFS_PROP_USERUSED || | |
1098 | zc->zc_objset_type == ZFS_PROP_USERQUOTA) { | |
1099 | if (zc->zc_guid == crgetuid(cr)) | |
1100 | return (0); | |
1101 | } else { | |
1102 | if (groupmember(zc->zc_guid, cr)) | |
1103 | return (0); | |
1104 | } | |
1105 | } | |
1106 | ||
1107 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
1108 | userquota_perms[zc->zc_objset_type], cr)); | |
1109 | } | |
1110 | ||
1111 | static int | |
6f1ffb06 | 1112 | zfs_secpolicy_userspace_many(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
9babb374 | 1113 | { |
6f1ffb06 | 1114 | int err = zfs_secpolicy_read(zc, innvl, cr); |
9babb374 BB |
1115 | if (err) |
1116 | return (err); | |
1117 | ||
1118 | if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) | |
2e528b49 | 1119 | return (SET_ERROR(EINVAL)); |
9babb374 BB |
1120 | |
1121 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
1122 | userquota_perms[zc->zc_objset_type], cr)); | |
1123 | } | |
1124 | ||
6f1ffb06 | 1125 | /* ARGSUSED */ |
9babb374 | 1126 | static int |
6f1ffb06 | 1127 | zfs_secpolicy_userspace_upgrade(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
9babb374 | 1128 | { |
428870ff BB |
1129 | return (zfs_secpolicy_setprop(zc->zc_name, ZFS_PROP_VERSION, |
1130 | NULL, cr)); | |
9babb374 BB |
1131 | } |
1132 | ||
6f1ffb06 | 1133 | /* ARGSUSED */ |
45d1cae3 | 1134 | static int |
6f1ffb06 | 1135 | zfs_secpolicy_hold(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
45d1cae3 | 1136 | { |
13fe0198 MA |
1137 | nvpair_t *pair; |
1138 | nvlist_t *holds; | |
1139 | int error; | |
1140 | ||
1141 | error = nvlist_lookup_nvlist(innvl, "holds", &holds); | |
1142 | if (error != 0) | |
2e528b49 | 1143 | return (SET_ERROR(EINVAL)); |
13fe0198 MA |
1144 | |
1145 | for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL; | |
1146 | pair = nvlist_next_nvpair(holds, pair)) { | |
1147 | char fsname[MAXNAMELEN]; | |
1148 | error = dmu_fsname(nvpair_name(pair), fsname); | |
1149 | if (error != 0) | |
1150 | return (error); | |
1151 | error = zfs_secpolicy_write_perms(fsname, | |
1152 | ZFS_DELEG_PERM_HOLD, cr); | |
1153 | if (error != 0) | |
1154 | return (error); | |
1155 | } | |
1156 | return (0); | |
45d1cae3 BB |
1157 | } |
1158 | ||
6f1ffb06 | 1159 | /* ARGSUSED */ |
45d1cae3 | 1160 | static int |
6f1ffb06 | 1161 | zfs_secpolicy_release(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
45d1cae3 | 1162 | { |
13fe0198 MA |
1163 | nvpair_t *pair; |
1164 | int error; | |
1165 | ||
1166 | for (pair = nvlist_next_nvpair(innvl, NULL); pair != NULL; | |
1167 | pair = nvlist_next_nvpair(innvl, pair)) { | |
1168 | char fsname[MAXNAMELEN]; | |
1169 | error = dmu_fsname(nvpair_name(pair), fsname); | |
1170 | if (error != 0) | |
1171 | return (error); | |
1172 | error = zfs_secpolicy_write_perms(fsname, | |
1173 | ZFS_DELEG_PERM_RELEASE, cr); | |
1174 | if (error != 0) | |
1175 | return (error); | |
1176 | } | |
1177 | return (0); | |
45d1cae3 BB |
1178 | } |
1179 | ||
572e2857 BB |
1180 | /* |
1181 | * Policy for allowing temporary snapshots to be taken or released | |
1182 | */ | |
1183 | static int | |
6f1ffb06 | 1184 | zfs_secpolicy_tmp_snapshot(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr) |
572e2857 BB |
1185 | { |
1186 | /* | |
1187 | * A temporary snapshot is the same as a snapshot, | |
1188 | * hold, destroy and release all rolled into one. | |
1189 | * Delegated diff alone is sufficient that we allow this. | |
1190 | */ | |
1191 | int error; | |
1192 | ||
1193 | if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
1194 | ZFS_DELEG_PERM_DIFF, cr)) == 0) | |
1195 | return (0); | |
1196 | ||
6f1ffb06 | 1197 | error = zfs_secpolicy_snapshot_perms(zc->zc_name, cr); |
13fe0198 | 1198 | if (error == 0) |
6f1ffb06 | 1199 | error = zfs_secpolicy_hold(zc, innvl, cr); |
13fe0198 | 1200 | if (error == 0) |
6f1ffb06 | 1201 | error = zfs_secpolicy_release(zc, innvl, cr); |
13fe0198 | 1202 | if (error == 0) |
6f1ffb06 | 1203 | error = zfs_secpolicy_destroy(zc, innvl, cr); |
572e2857 BB |
1204 | return (error); |
1205 | } | |
1206 | ||
34dc7c2f BB |
1207 | /* |
1208 | * Returns the nvlist as specified by the user in the zfs_cmd_t. | |
1209 | */ | |
1210 | static int | |
9babb374 | 1211 | get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp) |
34dc7c2f BB |
1212 | { |
1213 | char *packed; | |
1214 | int error; | |
1215 | nvlist_t *list = NULL; | |
1216 | ||
1217 | /* | |
1218 | * Read in and unpack the user-supplied nvlist. | |
1219 | */ | |
1220 | if (size == 0) | |
2e528b49 | 1221 | return (SET_ERROR(EINVAL)); |
34dc7c2f | 1222 | |
00b46022 | 1223 | packed = kmem_alloc(size, KM_SLEEP | KM_NODEBUG); |
34dc7c2f | 1224 | |
9babb374 BB |
1225 | if ((error = ddi_copyin((void *)(uintptr_t)nvl, packed, size, |
1226 | iflag)) != 0) { | |
34dc7c2f BB |
1227 | kmem_free(packed, size); |
1228 | return (error); | |
1229 | } | |
1230 | ||
1231 | if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { | |
1232 | kmem_free(packed, size); | |
1233 | return (error); | |
1234 | } | |
1235 | ||
1236 | kmem_free(packed, size); | |
1237 | ||
1238 | *nvp = list; | |
1239 | return (0); | |
1240 | } | |
1241 | ||
6f1ffb06 MA |
1242 | /* |
1243 | * Reduce the size of this nvlist until it can be serialized in 'max' bytes. | |
1244 | * Entries will be removed from the end of the nvlist, and one int32 entry | |
1245 | * named "N_MORE_ERRORS" will be added indicating how many entries were | |
1246 | * removed. | |
1247 | */ | |
428870ff | 1248 | static int |
6f1ffb06 | 1249 | nvlist_smush(nvlist_t *errors, size_t max) |
428870ff BB |
1250 | { |
1251 | size_t size; | |
1252 | ||
6f1ffb06 | 1253 | size = fnvlist_size(errors); |
428870ff | 1254 | |
6f1ffb06 | 1255 | if (size > max) { |
428870ff BB |
1256 | nvpair_t *more_errors; |
1257 | int n = 0; | |
1258 | ||
6f1ffb06 | 1259 | if (max < 1024) |
2e528b49 | 1260 | return (SET_ERROR(ENOMEM)); |
428870ff | 1261 | |
6f1ffb06 MA |
1262 | fnvlist_add_int32(errors, ZPROP_N_MORE_ERRORS, 0); |
1263 | more_errors = nvlist_prev_nvpair(errors, NULL); | |
428870ff BB |
1264 | |
1265 | do { | |
6f1ffb06 | 1266 | nvpair_t *pair = nvlist_prev_nvpair(errors, |
428870ff | 1267 | more_errors); |
6f1ffb06 | 1268 | fnvlist_remove_nvpair(errors, pair); |
428870ff | 1269 | n++; |
6f1ffb06 MA |
1270 | size = fnvlist_size(errors); |
1271 | } while (size > max); | |
428870ff | 1272 | |
6f1ffb06 MA |
1273 | fnvlist_remove_nvpair(errors, more_errors); |
1274 | fnvlist_add_int32(errors, ZPROP_N_MORE_ERRORS, n); | |
1275 | ASSERT3U(fnvlist_size(errors), <=, max); | |
428870ff BB |
1276 | } |
1277 | ||
1278 | return (0); | |
1279 | } | |
1280 | ||
34dc7c2f BB |
1281 | static int |
1282 | put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) | |
1283 | { | |
1284 | char *packed = NULL; | |
428870ff | 1285 | int error = 0; |
34dc7c2f | 1286 | size_t size; |
34dc7c2f | 1287 | |
6f1ffb06 | 1288 | size = fnvlist_size(nvl); |
34dc7c2f BB |
1289 | |
1290 | if (size > zc->zc_nvlist_dst_size) { | |
2e528b49 | 1291 | error = SET_ERROR(ENOMEM); |
34dc7c2f | 1292 | } else { |
6f1ffb06 | 1293 | packed = fnvlist_pack(nvl, &size); |
428870ff BB |
1294 | if (ddi_copyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, |
1295 | size, zc->zc_iflags) != 0) | |
2e528b49 | 1296 | error = SET_ERROR(EFAULT); |
6f1ffb06 | 1297 | fnvlist_pack_free(packed, size); |
34dc7c2f BB |
1298 | } |
1299 | ||
1300 | zc->zc_nvlist_dst_size = size; | |
6f1ffb06 | 1301 | zc->zc_nvlist_dst_filled = B_TRUE; |
34dc7c2f BB |
1302 | return (error); |
1303 | } | |
1304 | ||
9babb374 | 1305 | static int |
3558fd73 | 1306 | get_zfs_sb(const char *dsname, zfs_sb_t **zsbp) |
9babb374 BB |
1307 | { |
1308 | objset_t *os; | |
1309 | int error; | |
1310 | ||
428870ff | 1311 | error = dmu_objset_hold(dsname, FTAG, &os); |
13fe0198 | 1312 | if (error != 0) |
9babb374 | 1313 | return (error); |
428870ff BB |
1314 | if (dmu_objset_type(os) != DMU_OST_ZFS) { |
1315 | dmu_objset_rele(os, FTAG); | |
2e528b49 | 1316 | return (SET_ERROR(EINVAL)); |
428870ff | 1317 | } |
9babb374 | 1318 | |
428870ff | 1319 | mutex_enter(&os->os_user_ptr_lock); |
3558fd73 | 1320 | *zsbp = dmu_objset_get_user(os); |
2cf7f52b | 1321 | if (*zsbp && (*zsbp)->z_sb) { |
61f218b0 | 1322 | atomic_inc(&((*zsbp)->z_sb->s_active)); |
9babb374 | 1323 | } else { |
2e528b49 | 1324 | error = SET_ERROR(ESRCH); |
9babb374 | 1325 | } |
428870ff BB |
1326 | mutex_exit(&os->os_user_ptr_lock); |
1327 | dmu_objset_rele(os, FTAG); | |
9babb374 BB |
1328 | return (error); |
1329 | } | |
1330 | ||
1331 | /* | |
3558fd73 | 1332 | * Find a zfs_sb_t for a mounted filesystem, or create our own, in which |
2cf7f52b | 1333 | * case its z_sb will be NULL, and it will be opened as the owner. |
9ae529ec CS |
1334 | * If 'writer' is set, the z_teardown_lock will be held for RW_WRITER, |
1335 | * which prevents all inode ops from running. | |
9babb374 BB |
1336 | */ |
1337 | static int | |
3558fd73 | 1338 | zfs_sb_hold(const char *name, void *tag, zfs_sb_t **zsbp, boolean_t writer) |
9babb374 BB |
1339 | { |
1340 | int error = 0; | |
9babb374 | 1341 | |
3558fd73 BB |
1342 | if (get_zfs_sb(name, zsbp) != 0) |
1343 | error = zfs_sb_create(name, zsbp); | |
9babb374 | 1344 | if (error == 0) { |
3558fd73 | 1345 | rrw_enter(&(*zsbp)->z_teardown_lock, (writer) ? RW_WRITER : |
572e2857 | 1346 | RW_READER, tag); |
3558fd73 | 1347 | if ((*zsbp)->z_unmounted) { |
9babb374 BB |
1348 | /* |
1349 | * XXX we could probably try again, since the unmounting | |
1350 | * thread should be just about to disassociate the | |
1351 | * objset from the zfsvfs. | |
1352 | */ | |
3558fd73 | 1353 | rrw_exit(&(*zsbp)->z_teardown_lock, tag); |
2e528b49 | 1354 | return (SET_ERROR(EBUSY)); |
9babb374 BB |
1355 | } |
1356 | } | |
1357 | return (error); | |
1358 | } | |
1359 | ||
1360 | static void | |
3558fd73 | 1361 | zfs_sb_rele(zfs_sb_t *zsb, void *tag) |
9babb374 | 1362 | { |
3558fd73 | 1363 | rrw_exit(&zsb->z_teardown_lock, tag); |
9babb374 | 1364 | |
2cf7f52b BB |
1365 | if (zsb->z_sb) { |
1366 | deactivate_super(zsb->z_sb); | |
9babb374 | 1367 | } else { |
3558fd73 BB |
1368 | dmu_objset_disown(zsb->z_os, zsb); |
1369 | zfs_sb_free(zsb); | |
9babb374 BB |
1370 | } |
1371 | } | |
1372 | ||
34dc7c2f BB |
1373 | static int |
1374 | zfs_ioc_pool_create(zfs_cmd_t *zc) | |
1375 | { | |
1376 | int error; | |
1377 | nvlist_t *config, *props = NULL; | |
b128c09f BB |
1378 | nvlist_t *rootprops = NULL; |
1379 | nvlist_t *zplprops = NULL; | |
34dc7c2f | 1380 | |
c65aa5b2 BB |
1381 | if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, |
1382 | zc->zc_iflags, &config))) | |
34dc7c2f BB |
1383 | return (error); |
1384 | ||
1385 | if (zc->zc_nvlist_src_size != 0 && (error = | |
9babb374 BB |
1386 | get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
1387 | zc->zc_iflags, &props))) { | |
34dc7c2f BB |
1388 | nvlist_free(config); |
1389 | return (error); | |
1390 | } | |
1391 | ||
b128c09f BB |
1392 | if (props) { |
1393 | nvlist_t *nvl = NULL; | |
1394 | uint64_t version = SPA_VERSION; | |
1395 | ||
1396 | (void) nvlist_lookup_uint64(props, | |
1397 | zpool_prop_to_name(ZPOOL_PROP_VERSION), &version); | |
9ae529ec | 1398 | if (!SPA_VERSION_IS_SUPPORTED(version)) { |
2e528b49 | 1399 | error = SET_ERROR(EINVAL); |
b128c09f BB |
1400 | goto pool_props_bad; |
1401 | } | |
1402 | (void) nvlist_lookup_nvlist(props, ZPOOL_ROOTFS_PROPS, &nvl); | |
1403 | if (nvl) { | |
1404 | error = nvlist_dup(nvl, &rootprops, KM_SLEEP); | |
1405 | if (error != 0) { | |
1406 | nvlist_free(config); | |
1407 | nvlist_free(props); | |
1408 | return (error); | |
1409 | } | |
1410 | (void) nvlist_remove_all(props, ZPOOL_ROOTFS_PROPS); | |
1411 | } | |
1412 | VERIFY(nvlist_alloc(&zplprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
1413 | error = zfs_fill_zplprops_root(version, rootprops, | |
1414 | zplprops, NULL); | |
13fe0198 | 1415 | if (error != 0) |
b128c09f BB |
1416 | goto pool_props_bad; |
1417 | } | |
1418 | ||
6f1ffb06 | 1419 | error = spa_create(zc->zc_name, config, props, zplprops); |
b128c09f BB |
1420 | |
1421 | /* | |
1422 | * Set the remaining root properties | |
1423 | */ | |
428870ff BB |
1424 | if (!error && (error = zfs_set_prop_nvlist(zc->zc_name, |
1425 | ZPROP_SRC_LOCAL, rootprops, NULL)) != 0) | |
b128c09f | 1426 | (void) spa_destroy(zc->zc_name); |
34dc7c2f | 1427 | |
b128c09f BB |
1428 | pool_props_bad: |
1429 | nvlist_free(rootprops); | |
1430 | nvlist_free(zplprops); | |
34dc7c2f | 1431 | nvlist_free(config); |
b128c09f | 1432 | nvlist_free(props); |
34dc7c2f BB |
1433 | |
1434 | return (error); | |
1435 | } | |
1436 | ||
1437 | static int | |
1438 | zfs_ioc_pool_destroy(zfs_cmd_t *zc) | |
1439 | { | |
1440 | int error; | |
1441 | zfs_log_history(zc); | |
1442 | error = spa_destroy(zc->zc_name); | |
428870ff BB |
1443 | if (error == 0) |
1444 | zvol_remove_minors(zc->zc_name); | |
34dc7c2f BB |
1445 | return (error); |
1446 | } | |
1447 | ||
1448 | static int | |
1449 | zfs_ioc_pool_import(zfs_cmd_t *zc) | |
1450 | { | |
34dc7c2f BB |
1451 | nvlist_t *config, *props = NULL; |
1452 | uint64_t guid; | |
428870ff | 1453 | int error; |
34dc7c2f BB |
1454 | |
1455 | if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 1456 | zc->zc_iflags, &config)) != 0) |
34dc7c2f BB |
1457 | return (error); |
1458 | ||
1459 | if (zc->zc_nvlist_src_size != 0 && (error = | |
9babb374 BB |
1460 | get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
1461 | zc->zc_iflags, &props))) { | |
34dc7c2f BB |
1462 | nvlist_free(config); |
1463 | return (error); | |
1464 | } | |
1465 | ||
1466 | if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || | |
1467 | guid != zc->zc_guid) | |
2e528b49 | 1468 | error = SET_ERROR(EINVAL); |
34dc7c2f | 1469 | else |
572e2857 | 1470 | error = spa_import(zc->zc_name, config, props, zc->zc_cookie); |
34dc7c2f | 1471 | |
572e2857 BB |
1472 | if (zc->zc_nvlist_dst != 0) { |
1473 | int err; | |
1474 | ||
1475 | if ((err = put_nvlist(zc, config)) != 0) | |
1476 | error = err; | |
1477 | } | |
428870ff | 1478 | |
34dc7c2f BB |
1479 | nvlist_free(config); |
1480 | ||
1481 | if (props) | |
1482 | nvlist_free(props); | |
1483 | ||
1484 | return (error); | |
1485 | } | |
1486 | ||
1487 | static int | |
1488 | zfs_ioc_pool_export(zfs_cmd_t *zc) | |
1489 | { | |
1490 | int error; | |
b128c09f | 1491 | boolean_t force = (boolean_t)zc->zc_cookie; |
fb5f0bc8 | 1492 | boolean_t hardforce = (boolean_t)zc->zc_guid; |
b128c09f | 1493 | |
34dc7c2f | 1494 | zfs_log_history(zc); |
fb5f0bc8 | 1495 | error = spa_export(zc->zc_name, NULL, force, hardforce); |
428870ff BB |
1496 | if (error == 0) |
1497 | zvol_remove_minors(zc->zc_name); | |
34dc7c2f BB |
1498 | return (error); |
1499 | } | |
1500 | ||
1501 | static int | |
1502 | zfs_ioc_pool_configs(zfs_cmd_t *zc) | |
1503 | { | |
1504 | nvlist_t *configs; | |
1505 | int error; | |
1506 | ||
1507 | if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) | |
2e528b49 | 1508 | return (SET_ERROR(EEXIST)); |
34dc7c2f BB |
1509 | |
1510 | error = put_nvlist(zc, configs); | |
1511 | ||
1512 | nvlist_free(configs); | |
1513 | ||
1514 | return (error); | |
1515 | } | |
1516 | ||
9ae529ec CS |
1517 | /* |
1518 | * inputs: | |
1519 | * zc_name name of the pool | |
1520 | * | |
1521 | * outputs: | |
1522 | * zc_cookie real errno | |
1523 | * zc_nvlist_dst config nvlist | |
1524 | * zc_nvlist_dst_size size of config nvlist | |
1525 | */ | |
34dc7c2f BB |
1526 | static int |
1527 | zfs_ioc_pool_stats(zfs_cmd_t *zc) | |
1528 | { | |
1529 | nvlist_t *config; | |
1530 | int error; | |
1531 | int ret = 0; | |
1532 | ||
1533 | error = spa_get_stats(zc->zc_name, &config, zc->zc_value, | |
1534 | sizeof (zc->zc_value)); | |
1535 | ||
1536 | if (config != NULL) { | |
1537 | ret = put_nvlist(zc, config); | |
1538 | nvlist_free(config); | |
1539 | ||
1540 | /* | |
1541 | * The config may be present even if 'error' is non-zero. | |
1542 | * In this case we return success, and preserve the real errno | |
1543 | * in 'zc_cookie'. | |
1544 | */ | |
1545 | zc->zc_cookie = error; | |
1546 | } else { | |
1547 | ret = error; | |
1548 | } | |
1549 | ||
1550 | return (ret); | |
1551 | } | |
1552 | ||
1553 | /* | |
1554 | * Try to import the given pool, returning pool stats as appropriate so that | |
1555 | * user land knows which devices are available and overall pool health. | |
1556 | */ | |
1557 | static int | |
1558 | zfs_ioc_pool_tryimport(zfs_cmd_t *zc) | |
1559 | { | |
1560 | nvlist_t *tryconfig, *config; | |
1561 | int error; | |
1562 | ||
1563 | if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 1564 | zc->zc_iflags, &tryconfig)) != 0) |
34dc7c2f BB |
1565 | return (error); |
1566 | ||
1567 | config = spa_tryimport(tryconfig); | |
1568 | ||
1569 | nvlist_free(tryconfig); | |
1570 | ||
1571 | if (config == NULL) | |
2e528b49 | 1572 | return (SET_ERROR(EINVAL)); |
34dc7c2f BB |
1573 | |
1574 | error = put_nvlist(zc, config); | |
1575 | nvlist_free(config); | |
1576 | ||
1577 | return (error); | |
1578 | } | |
1579 | ||
428870ff BB |
1580 | /* |
1581 | * inputs: | |
1582 | * zc_name name of the pool | |
1583 | * zc_cookie scan func (pool_scan_func_t) | |
1584 | */ | |
34dc7c2f | 1585 | static int |
428870ff | 1586 | zfs_ioc_pool_scan(zfs_cmd_t *zc) |
34dc7c2f BB |
1587 | { |
1588 | spa_t *spa; | |
1589 | int error; | |
1590 | ||
1591 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1592 | return (error); | |
1593 | ||
428870ff BB |
1594 | if (zc->zc_cookie == POOL_SCAN_NONE) |
1595 | error = spa_scan_stop(spa); | |
1596 | else | |
1597 | error = spa_scan(spa, zc->zc_cookie); | |
34dc7c2f BB |
1598 | |
1599 | spa_close(spa, FTAG); | |
1600 | ||
1601 | return (error); | |
1602 | } | |
1603 | ||
1604 | static int | |
1605 | zfs_ioc_pool_freeze(zfs_cmd_t *zc) | |
1606 | { | |
1607 | spa_t *spa; | |
1608 | int error; | |
1609 | ||
1610 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1611 | if (error == 0) { | |
1612 | spa_freeze(spa); | |
1613 | spa_close(spa, FTAG); | |
1614 | } | |
1615 | return (error); | |
1616 | } | |
1617 | ||
1618 | static int | |
1619 | zfs_ioc_pool_upgrade(zfs_cmd_t *zc) | |
1620 | { | |
1621 | spa_t *spa; | |
1622 | int error; | |
1623 | ||
1624 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1625 | return (error); | |
1626 | ||
9ae529ec CS |
1627 | if (zc->zc_cookie < spa_version(spa) || |
1628 | !SPA_VERSION_IS_SUPPORTED(zc->zc_cookie)) { | |
34dc7c2f | 1629 | spa_close(spa, FTAG); |
2e528b49 | 1630 | return (SET_ERROR(EINVAL)); |
34dc7c2f BB |
1631 | } |
1632 | ||
1633 | spa_upgrade(spa, zc->zc_cookie); | |
1634 | spa_close(spa, FTAG); | |
1635 | ||
1636 | return (error); | |
1637 | } | |
1638 | ||
1639 | static int | |
1640 | zfs_ioc_pool_get_history(zfs_cmd_t *zc) | |
1641 | { | |
1642 | spa_t *spa; | |
1643 | char *hist_buf; | |
1644 | uint64_t size; | |
1645 | int error; | |
1646 | ||
1647 | if ((size = zc->zc_history_len) == 0) | |
2e528b49 | 1648 | return (SET_ERROR(EINVAL)); |
34dc7c2f BB |
1649 | |
1650 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1651 | return (error); | |
1652 | ||
1653 | if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { | |
1654 | spa_close(spa, FTAG); | |
2e528b49 | 1655 | return (SET_ERROR(ENOTSUP)); |
34dc7c2f BB |
1656 | } |
1657 | ||
34b84cb8 | 1658 | hist_buf = vmem_alloc(size, KM_SLEEP); |
34dc7c2f BB |
1659 | if ((error = spa_history_get(spa, &zc->zc_history_offset, |
1660 | &zc->zc_history_len, hist_buf)) == 0) { | |
9babb374 BB |
1661 | error = ddi_copyout(hist_buf, |
1662 | (void *)(uintptr_t)zc->zc_history, | |
1663 | zc->zc_history_len, zc->zc_iflags); | |
34dc7c2f BB |
1664 | } |
1665 | ||
1666 | spa_close(spa, FTAG); | |
34b84cb8 | 1667 | vmem_free(hist_buf, size); |
34dc7c2f BB |
1668 | return (error); |
1669 | } | |
1670 | ||
3541dc6d GA |
1671 | static int |
1672 | zfs_ioc_pool_reguid(zfs_cmd_t *zc) | |
1673 | { | |
1674 | spa_t *spa; | |
1675 | int error; | |
1676 | ||
1677 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1678 | if (error == 0) { | |
1679 | error = spa_change_guid(spa); | |
1680 | spa_close(spa, FTAG); | |
1681 | } | |
1682 | return (error); | |
1683 | } | |
1684 | ||
34dc7c2f BB |
1685 | static int |
1686 | zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) | |
1687 | { | |
13fe0198 | 1688 | return (dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)); |
34dc7c2f BB |
1689 | } |
1690 | ||
428870ff BB |
1691 | /* |
1692 | * inputs: | |
1693 | * zc_name name of filesystem | |
1694 | * zc_obj object to find | |
1695 | * | |
1696 | * outputs: | |
1697 | * zc_value name of object | |
1698 | */ | |
34dc7c2f BB |
1699 | static int |
1700 | zfs_ioc_obj_to_path(zfs_cmd_t *zc) | |
1701 | { | |
428870ff | 1702 | objset_t *os; |
34dc7c2f BB |
1703 | int error; |
1704 | ||
428870ff BB |
1705 | /* XXX reading from objset not owned */ |
1706 | if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os)) != 0) | |
34dc7c2f | 1707 | return (error); |
428870ff BB |
1708 | if (dmu_objset_type(os) != DMU_OST_ZFS) { |
1709 | dmu_objset_rele(os, FTAG); | |
2e528b49 | 1710 | return (SET_ERROR(EINVAL)); |
428870ff BB |
1711 | } |
1712 | error = zfs_obj_to_path(os, zc->zc_obj, zc->zc_value, | |
34dc7c2f | 1713 | sizeof (zc->zc_value)); |
428870ff | 1714 | dmu_objset_rele(os, FTAG); |
34dc7c2f BB |
1715 | |
1716 | return (error); | |
1717 | } | |
1718 | ||
572e2857 BB |
1719 | /* |
1720 | * inputs: | |
1721 | * zc_name name of filesystem | |
1722 | * zc_obj object to find | |
1723 | * | |
1724 | * outputs: | |
1725 | * zc_stat stats on object | |
1726 | * zc_value path to object | |
1727 | */ | |
1728 | static int | |
1729 | zfs_ioc_obj_to_stats(zfs_cmd_t *zc) | |
1730 | { | |
1731 | objset_t *os; | |
1732 | int error; | |
1733 | ||
1734 | /* XXX reading from objset not owned */ | |
1735 | if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os)) != 0) | |
1736 | return (error); | |
1737 | if (dmu_objset_type(os) != DMU_OST_ZFS) { | |
1738 | dmu_objset_rele(os, FTAG); | |
2e528b49 | 1739 | return (SET_ERROR(EINVAL)); |
572e2857 BB |
1740 | } |
1741 | error = zfs_obj_to_stats(os, zc->zc_obj, &zc->zc_stat, zc->zc_value, | |
1742 | sizeof (zc->zc_value)); | |
1743 | dmu_objset_rele(os, FTAG); | |
1744 | ||
1745 | return (error); | |
1746 | } | |
1747 | ||
34dc7c2f BB |
1748 | static int |
1749 | zfs_ioc_vdev_add(zfs_cmd_t *zc) | |
1750 | { | |
1751 | spa_t *spa; | |
1752 | int error; | |
1753 | nvlist_t *config, **l2cache, **spares; | |
1754 | uint_t nl2cache = 0, nspares = 0; | |
1755 | ||
1756 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1757 | if (error != 0) | |
1758 | return (error); | |
1759 | ||
1760 | error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 1761 | zc->zc_iflags, &config); |
34dc7c2f BB |
1762 | (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_L2CACHE, |
1763 | &l2cache, &nl2cache); | |
1764 | ||
1765 | (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_SPARES, | |
1766 | &spares, &nspares); | |
1767 | ||
1768 | /* | |
1769 | * A root pool with concatenated devices is not supported. | |
1770 | * Thus, can not add a device to a root pool. | |
1771 | * | |
1772 | * Intent log device can not be added to a rootpool because | |
1773 | * during mountroot, zil is replayed, a seperated log device | |
1774 | * can not be accessed during the mountroot time. | |
1775 | * | |
1776 | * l2cache and spare devices are ok to be added to a rootpool. | |
1777 | */ | |
428870ff BB |
1778 | if (spa_bootfs(spa) != 0 && nl2cache == 0 && nspares == 0) { |
1779 | nvlist_free(config); | |
34dc7c2f | 1780 | spa_close(spa, FTAG); |
2e528b49 | 1781 | return (SET_ERROR(EDOM)); |
34dc7c2f BB |
1782 | } |
1783 | ||
1784 | if (error == 0) { | |
1785 | error = spa_vdev_add(spa, config); | |
1786 | nvlist_free(config); | |
1787 | } | |
1788 | spa_close(spa, FTAG); | |
1789 | return (error); | |
1790 | } | |
1791 | ||
428870ff BB |
1792 | /* |
1793 | * inputs: | |
1794 | * zc_name name of the pool | |
1795 | * zc_nvlist_conf nvlist of devices to remove | |
1796 | * zc_cookie to stop the remove? | |
1797 | */ | |
34dc7c2f BB |
1798 | static int |
1799 | zfs_ioc_vdev_remove(zfs_cmd_t *zc) | |
1800 | { | |
1801 | spa_t *spa; | |
1802 | int error; | |
1803 | ||
1804 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1805 | if (error != 0) | |
1806 | return (error); | |
1807 | error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); | |
1808 | spa_close(spa, FTAG); | |
1809 | return (error); | |
1810 | } | |
1811 | ||
1812 | static int | |
1813 | zfs_ioc_vdev_set_state(zfs_cmd_t *zc) | |
1814 | { | |
1815 | spa_t *spa; | |
1816 | int error; | |
1817 | vdev_state_t newstate = VDEV_STATE_UNKNOWN; | |
1818 | ||
1819 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1820 | return (error); | |
1821 | switch (zc->zc_cookie) { | |
1822 | case VDEV_STATE_ONLINE: | |
1823 | error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); | |
1824 | break; | |
1825 | ||
1826 | case VDEV_STATE_OFFLINE: | |
1827 | error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); | |
1828 | break; | |
1829 | ||
1830 | case VDEV_STATE_FAULTED: | |
428870ff BB |
1831 | if (zc->zc_obj != VDEV_AUX_ERR_EXCEEDED && |
1832 | zc->zc_obj != VDEV_AUX_EXTERNAL) | |
1833 | zc->zc_obj = VDEV_AUX_ERR_EXCEEDED; | |
1834 | ||
1835 | error = vdev_fault(spa, zc->zc_guid, zc->zc_obj); | |
34dc7c2f BB |
1836 | break; |
1837 | ||
1838 | case VDEV_STATE_DEGRADED: | |
428870ff BB |
1839 | if (zc->zc_obj != VDEV_AUX_ERR_EXCEEDED && |
1840 | zc->zc_obj != VDEV_AUX_EXTERNAL) | |
1841 | zc->zc_obj = VDEV_AUX_ERR_EXCEEDED; | |
1842 | ||
1843 | error = vdev_degrade(spa, zc->zc_guid, zc->zc_obj); | |
34dc7c2f BB |
1844 | break; |
1845 | ||
1846 | default: | |
2e528b49 | 1847 | error = SET_ERROR(EINVAL); |
34dc7c2f BB |
1848 | } |
1849 | zc->zc_cookie = newstate; | |
1850 | spa_close(spa, FTAG); | |
1851 | return (error); | |
1852 | } | |
1853 | ||
1854 | static int | |
1855 | zfs_ioc_vdev_attach(zfs_cmd_t *zc) | |
1856 | { | |
1857 | spa_t *spa; | |
1858 | int replacing = zc->zc_cookie; | |
1859 | nvlist_t *config; | |
1860 | int error; | |
1861 | ||
1862 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1863 | return (error); | |
1864 | ||
1865 | if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 1866 | zc->zc_iflags, &config)) == 0) { |
34dc7c2f BB |
1867 | error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); |
1868 | nvlist_free(config); | |
1869 | } | |
1870 | ||
1871 | spa_close(spa, FTAG); | |
1872 | return (error); | |
1873 | } | |
1874 | ||
1875 | static int | |
1876 | zfs_ioc_vdev_detach(zfs_cmd_t *zc) | |
1877 | { | |
1878 | spa_t *spa; | |
1879 | int error; | |
1880 | ||
1881 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1882 | return (error); | |
1883 | ||
fb5f0bc8 | 1884 | error = spa_vdev_detach(spa, zc->zc_guid, 0, B_FALSE); |
34dc7c2f BB |
1885 | |
1886 | spa_close(spa, FTAG); | |
1887 | return (error); | |
1888 | } | |
1889 | ||
428870ff BB |
1890 | static int |
1891 | zfs_ioc_vdev_split(zfs_cmd_t *zc) | |
1892 | { | |
1893 | spa_t *spa; | |
1894 | nvlist_t *config, *props = NULL; | |
1895 | int error; | |
1896 | boolean_t exp = !!(zc->zc_cookie & ZPOOL_EXPORT_AFTER_SPLIT); | |
1897 | ||
1898 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1899 | return (error); | |
1900 | ||
c65aa5b2 BB |
1901 | if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, |
1902 | zc->zc_iflags, &config))) { | |
428870ff BB |
1903 | spa_close(spa, FTAG); |
1904 | return (error); | |
1905 | } | |
1906 | ||
1907 | if (zc->zc_nvlist_src_size != 0 && (error = | |
1908 | get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
1909 | zc->zc_iflags, &props))) { | |
1910 | spa_close(spa, FTAG); | |
1911 | nvlist_free(config); | |
1912 | return (error); | |
1913 | } | |
1914 | ||
1915 | error = spa_vdev_split_mirror(spa, zc->zc_string, config, props, exp); | |
1916 | ||
1917 | spa_close(spa, FTAG); | |
1918 | ||
1919 | nvlist_free(config); | |
1920 | nvlist_free(props); | |
1921 | ||
1922 | return (error); | |
1923 | } | |
1924 | ||
34dc7c2f BB |
1925 | static int |
1926 | zfs_ioc_vdev_setpath(zfs_cmd_t *zc) | |
1927 | { | |
1928 | spa_t *spa; | |
1929 | char *path = zc->zc_value; | |
1930 | uint64_t guid = zc->zc_guid; | |
1931 | int error; | |
1932 | ||
1933 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1934 | if (error != 0) | |
1935 | return (error); | |
1936 | ||
1937 | error = spa_vdev_setpath(spa, guid, path); | |
1938 | spa_close(spa, FTAG); | |
1939 | return (error); | |
1940 | } | |
1941 | ||
9babb374 BB |
1942 | static int |
1943 | zfs_ioc_vdev_setfru(zfs_cmd_t *zc) | |
1944 | { | |
1945 | spa_t *spa; | |
1946 | char *fru = zc->zc_value; | |
1947 | uint64_t guid = zc->zc_guid; | |
1948 | int error; | |
1949 | ||
1950 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1951 | if (error != 0) | |
1952 | return (error); | |
1953 | ||
1954 | error = spa_vdev_setfru(spa, guid, fru); | |
1955 | spa_close(spa, FTAG); | |
1956 | return (error); | |
1957 | } | |
1958 | ||
34dc7c2f | 1959 | static int |
572e2857 | 1960 | zfs_ioc_objset_stats_impl(zfs_cmd_t *zc, objset_t *os) |
34dc7c2f | 1961 | { |
572e2857 | 1962 | int error = 0; |
34dc7c2f BB |
1963 | nvlist_t *nv; |
1964 | ||
34dc7c2f BB |
1965 | dmu_objset_fast_stat(os, &zc->zc_objset_stats); |
1966 | ||
1967 | if (zc->zc_nvlist_dst != 0 && | |
428870ff | 1968 | (error = dsl_prop_get_all(os, &nv)) == 0) { |
34dc7c2f BB |
1969 | dmu_objset_stats(os, nv); |
1970 | /* | |
1971 | * NB: zvol_get_stats() will read the objset contents, | |
1972 | * which we aren't supposed to do with a | |
b128c09f | 1973 | * DS_MODE_USER hold, because it could be |
34dc7c2f | 1974 | * inconsistent. So this is a bit of a workaround... |
428870ff | 1975 | * XXX reading with out owning |
34dc7c2f | 1976 | */ |
330d06f9 MA |
1977 | if (!zc->zc_objset_stats.dds_inconsistent && |
1978 | dmu_objset_type(os) == DMU_OST_ZVOL) { | |
1979 | error = zvol_get_stats(os, nv); | |
1980 | if (error == EIO) | |
1981 | return (error); | |
c99c9001 | 1982 | VERIFY0(error); |
34dc7c2f | 1983 | } |
8a8f5c6b BB |
1984 | if (error == 0) |
1985 | error = put_nvlist(zc, nv); | |
34dc7c2f BB |
1986 | nvlist_free(nv); |
1987 | } | |
1988 | ||
572e2857 BB |
1989 | return (error); |
1990 | } | |
1991 | ||
1992 | /* | |
1993 | * inputs: | |
1994 | * zc_name name of filesystem | |
1995 | * zc_nvlist_dst_size size of buffer for property nvlist | |
1996 | * | |
1997 | * outputs: | |
1998 | * zc_objset_stats stats | |
1999 | * zc_nvlist_dst property nvlist | |
2000 | * zc_nvlist_dst_size size of property nvlist | |
2001 | */ | |
2002 | static int | |
2003 | zfs_ioc_objset_stats(zfs_cmd_t *zc) | |
2004 | { | |
13fe0198 | 2005 | objset_t *os; |
572e2857 BB |
2006 | int error; |
2007 | ||
13fe0198 MA |
2008 | error = dmu_objset_hold(zc->zc_name, FTAG, &os); |
2009 | if (error == 0) { | |
2010 | error = zfs_ioc_objset_stats_impl(zc, os); | |
2011 | dmu_objset_rele(os, FTAG); | |
2012 | } | |
572e2857 | 2013 | |
428870ff BB |
2014 | return (error); |
2015 | } | |
2016 | ||
2017 | /* | |
2018 | * inputs: | |
2019 | * zc_name name of filesystem | |
2020 | * zc_nvlist_dst_size size of buffer for property nvlist | |
2021 | * | |
2022 | * outputs: | |
2023 | * zc_nvlist_dst received property nvlist | |
2024 | * zc_nvlist_dst_size size of received property nvlist | |
2025 | * | |
2026 | * Gets received properties (distinct from local properties on or after | |
2027 | * SPA_VERSION_RECVD_PROPS) for callers who want to differentiate received from | |
2028 | * local property values. | |
2029 | */ | |
2030 | static int | |
26685276 | 2031 | zfs_ioc_objset_recvd_props(zfs_cmd_t *zc) |
428870ff | 2032 | { |
13fe0198 | 2033 | int error = 0; |
428870ff BB |
2034 | nvlist_t *nv; |
2035 | ||
428870ff BB |
2036 | /* |
2037 | * Without this check, we would return local property values if the | |
2038 | * caller has not already received properties on or after | |
2039 | * SPA_VERSION_RECVD_PROPS. | |
2040 | */ | |
13fe0198 | 2041 | if (!dsl_prop_get_hasrecvd(zc->zc_name)) |
2e528b49 | 2042 | return (SET_ERROR(ENOTSUP)); |
428870ff BB |
2043 | |
2044 | if (zc->zc_nvlist_dst != 0 && | |
13fe0198 | 2045 | (error = dsl_prop_get_received(zc->zc_name, &nv)) == 0) { |
428870ff BB |
2046 | error = put_nvlist(zc, nv); |
2047 | nvlist_free(nv); | |
2048 | } | |
2049 | ||
34dc7c2f BB |
2050 | return (error); |
2051 | } | |
2052 | ||
2053 | static int | |
2054 | nvl_add_zplprop(objset_t *os, nvlist_t *props, zfs_prop_t prop) | |
2055 | { | |
2056 | uint64_t value; | |
2057 | int error; | |
2058 | ||
2059 | /* | |
2060 | * zfs_get_zplprop() will either find a value or give us | |
2061 | * the default value (if there is one). | |
2062 | */ | |
2063 | if ((error = zfs_get_zplprop(os, prop, &value)) != 0) | |
2064 | return (error); | |
2065 | VERIFY(nvlist_add_uint64(props, zfs_prop_to_name(prop), value) == 0); | |
2066 | return (0); | |
2067 | } | |
2068 | ||
2069 | /* | |
2070 | * inputs: | |
2071 | * zc_name name of filesystem | |
2072 | * zc_nvlist_dst_size size of buffer for zpl property nvlist | |
2073 | * | |
2074 | * outputs: | |
2075 | * zc_nvlist_dst zpl property nvlist | |
2076 | * zc_nvlist_dst_size size of zpl property nvlist | |
2077 | */ | |
2078 | static int | |
2079 | zfs_ioc_objset_zplprops(zfs_cmd_t *zc) | |
2080 | { | |
2081 | objset_t *os; | |
2082 | int err; | |
2083 | ||
428870ff | 2084 | /* XXX reading without owning */ |
c65aa5b2 | 2085 | if ((err = dmu_objset_hold(zc->zc_name, FTAG, &os))) |
34dc7c2f BB |
2086 | return (err); |
2087 | ||
2088 | dmu_objset_fast_stat(os, &zc->zc_objset_stats); | |
2089 | ||
2090 | /* | |
2091 | * NB: nvl_add_zplprop() will read the objset contents, | |
b128c09f BB |
2092 | * which we aren't supposed to do with a DS_MODE_USER |
2093 | * hold, because it could be inconsistent. | |
34dc7c2f | 2094 | */ |
b8864a23 | 2095 | if (zc->zc_nvlist_dst != 0 && |
34dc7c2f BB |
2096 | !zc->zc_objset_stats.dds_inconsistent && |
2097 | dmu_objset_type(os) == DMU_OST_ZFS) { | |
2098 | nvlist_t *nv; | |
2099 | ||
2100 | VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
2101 | if ((err = nvl_add_zplprop(os, nv, ZFS_PROP_VERSION)) == 0 && | |
2102 | (err = nvl_add_zplprop(os, nv, ZFS_PROP_NORMALIZE)) == 0 && | |
2103 | (err = nvl_add_zplprop(os, nv, ZFS_PROP_UTF8ONLY)) == 0 && | |
2104 | (err = nvl_add_zplprop(os, nv, ZFS_PROP_CASE)) == 0) | |
2105 | err = put_nvlist(zc, nv); | |
2106 | nvlist_free(nv); | |
2107 | } else { | |
2e528b49 | 2108 | err = SET_ERROR(ENOENT); |
34dc7c2f | 2109 | } |
428870ff | 2110 | dmu_objset_rele(os, FTAG); |
34dc7c2f BB |
2111 | return (err); |
2112 | } | |
2113 | ||
9babb374 BB |
2114 | static boolean_t |
2115 | dataset_name_hidden(const char *name) | |
2116 | { | |
2117 | /* | |
2118 | * Skip over datasets that are not visible in this zone, | |
2119 | * internal datasets (which have a $ in their name), and | |
2120 | * temporary datasets (which have a % in their name). | |
2121 | */ | |
2122 | if (strchr(name, '$') != NULL) | |
2123 | return (B_TRUE); | |
2124 | if (strchr(name, '%') != NULL) | |
2125 | return (B_TRUE); | |
2126 | if (!INGLOBALZONE(curproc) && !zone_dataset_visible(name, NULL)) | |
2127 | return (B_TRUE); | |
2128 | return (B_FALSE); | |
2129 | } | |
2130 | ||
34dc7c2f BB |
2131 | /* |
2132 | * inputs: | |
2133 | * zc_name name of filesystem | |
2134 | * zc_cookie zap cursor | |
2135 | * zc_nvlist_dst_size size of buffer for property nvlist | |
2136 | * | |
2137 | * outputs: | |
2138 | * zc_name name of next filesystem | |
9babb374 | 2139 | * zc_cookie zap cursor |
34dc7c2f BB |
2140 | * zc_objset_stats stats |
2141 | * zc_nvlist_dst property nvlist | |
2142 | * zc_nvlist_dst_size size of property nvlist | |
34dc7c2f BB |
2143 | */ |
2144 | static int | |
2145 | zfs_ioc_dataset_list_next(zfs_cmd_t *zc) | |
2146 | { | |
2147 | objset_t *os; | |
2148 | int error; | |
2149 | char *p; | |
428870ff | 2150 | size_t orig_len = strlen(zc->zc_name); |
34dc7c2f | 2151 | |
428870ff | 2152 | top: |
c65aa5b2 | 2153 | if ((error = dmu_objset_hold(zc->zc_name, FTAG, &os))) { |
34dc7c2f | 2154 | if (error == ENOENT) |
2e528b49 | 2155 | error = SET_ERROR(ESRCH); |
34dc7c2f BB |
2156 | return (error); |
2157 | } | |
2158 | ||
2159 | p = strrchr(zc->zc_name, '/'); | |
2160 | if (p == NULL || p[1] != '\0') | |
2161 | (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); | |
2162 | p = zc->zc_name + strlen(zc->zc_name); | |
2163 | ||
2164 | do { | |
2165 | error = dmu_dir_list_next(os, | |
2166 | sizeof (zc->zc_name) - (p - zc->zc_name), p, | |
2167 | NULL, &zc->zc_cookie); | |
2168 | if (error == ENOENT) | |
2e528b49 | 2169 | error = SET_ERROR(ESRCH); |
330d06f9 | 2170 | } while (error == 0 && dataset_name_hidden(zc->zc_name)); |
428870ff | 2171 | dmu_objset_rele(os, FTAG); |
34dc7c2f | 2172 | |
428870ff BB |
2173 | /* |
2174 | * If it's an internal dataset (ie. with a '$' in its name), | |
2175 | * don't try to get stats for it, otherwise we'll return ENOENT. | |
2176 | */ | |
2177 | if (error == 0 && strchr(zc->zc_name, '$') == NULL) { | |
34dc7c2f | 2178 | error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
428870ff BB |
2179 | if (error == ENOENT) { |
2180 | /* We lost a race with destroy, get the next one. */ | |
2181 | zc->zc_name[orig_len] = '\0'; | |
2182 | goto top; | |
2183 | } | |
2184 | } | |
34dc7c2f BB |
2185 | return (error); |
2186 | } | |
2187 | ||
2188 | /* | |
2189 | * inputs: | |
2190 | * zc_name name of filesystem | |
2191 | * zc_cookie zap cursor | |
2192 | * zc_nvlist_dst_size size of buffer for property nvlist | |
2193 | * | |
2194 | * outputs: | |
2195 | * zc_name name of next snapshot | |
2196 | * zc_objset_stats stats | |
2197 | * zc_nvlist_dst property nvlist | |
2198 | * zc_nvlist_dst_size size of property nvlist | |
34dc7c2f BB |
2199 | */ |
2200 | static int | |
2201 | zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) | |
2202 | { | |
2203 | objset_t *os; | |
2204 | int error; | |
2205 | ||
428870ff | 2206 | error = dmu_objset_hold(zc->zc_name, FTAG, &os); |
13fe0198 | 2207 | if (error != 0) { |
b128c09f | 2208 | return (error == ENOENT ? ESRCH : error); |
13fe0198 | 2209 | } |
34dc7c2f BB |
2210 | |
2211 | /* | |
2212 | * A dataset name of maximum length cannot have any snapshots, | |
2213 | * so exit immediately. | |
2214 | */ | |
2215 | if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { | |
428870ff | 2216 | dmu_objset_rele(os, FTAG); |
2e528b49 | 2217 | return (SET_ERROR(ESRCH)); |
34dc7c2f BB |
2218 | } |
2219 | ||
2220 | error = dmu_snapshot_list_next(os, | |
2221 | sizeof (zc->zc_name) - strlen(zc->zc_name), | |
572e2857 BB |
2222 | zc->zc_name + strlen(zc->zc_name), &zc->zc_obj, &zc->zc_cookie, |
2223 | NULL); | |
2224 | ||
0cee2406 | 2225 | if (error == 0 && !zc->zc_simple) { |
572e2857 BB |
2226 | dsl_dataset_t *ds; |
2227 | dsl_pool_t *dp = os->os_dsl_dataset->ds_dir->dd_pool; | |
2228 | ||
572e2857 | 2229 | error = dsl_dataset_hold_obj(dp, zc->zc_obj, FTAG, &ds); |
13fe0198 | 2230 | if (error == 0) { |
572e2857 BB |
2231 | objset_t *ossnap; |
2232 | ||
2233 | error = dmu_objset_from_ds(ds, &ossnap); | |
2234 | if (error == 0) | |
2235 | error = zfs_ioc_objset_stats_impl(zc, ossnap); | |
2236 | dsl_dataset_rele(ds, FTAG); | |
428870ff BB |
2237 | } |
2238 | } else if (error == ENOENT) { | |
2e528b49 | 2239 | error = SET_ERROR(ESRCH); |
428870ff | 2240 | } |
34dc7c2f | 2241 | |
572e2857 | 2242 | dmu_objset_rele(os, FTAG); |
34dc7c2f | 2243 | /* if we failed, undo the @ that we tacked on to zc_name */ |
13fe0198 | 2244 | if (error != 0) |
34dc7c2f | 2245 | *strchr(zc->zc_name, '@') = '\0'; |
34dc7c2f BB |
2246 | return (error); |
2247 | } | |
2248 | ||
428870ff BB |
2249 | static int |
2250 | zfs_prop_set_userquota(const char *dsname, nvpair_t *pair) | |
34dc7c2f | 2251 | { |
428870ff BB |
2252 | const char *propname = nvpair_name(pair); |
2253 | uint64_t *valary; | |
2254 | unsigned int vallen; | |
2255 | const char *domain; | |
2256 | char *dash; | |
2257 | zfs_userquota_prop_t type; | |
2258 | uint64_t rid; | |
2259 | uint64_t quota; | |
3558fd73 | 2260 | zfs_sb_t *zsb; |
428870ff BB |
2261 | int err; |
2262 | ||
2263 | if (nvpair_type(pair) == DATA_TYPE_NVLIST) { | |
2264 | nvlist_t *attrs; | |
2265 | VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); | |
2266 | if (nvlist_lookup_nvpair(attrs, ZPROP_VALUE, | |
2267 | &pair) != 0) | |
2e528b49 | 2268 | return (SET_ERROR(EINVAL)); |
428870ff | 2269 | } |
34dc7c2f BB |
2270 | |
2271 | /* | |
428870ff BB |
2272 | * A correctly constructed propname is encoded as |
2273 | * userquota@<rid>-<domain>. | |
34dc7c2f | 2274 | */ |
428870ff BB |
2275 | if ((dash = strchr(propname, '-')) == NULL || |
2276 | nvpair_value_uint64_array(pair, &valary, &vallen) != 0 || | |
2277 | vallen != 3) | |
2e528b49 | 2278 | return (SET_ERROR(EINVAL)); |
34dc7c2f | 2279 | |
428870ff BB |
2280 | domain = dash + 1; |
2281 | type = valary[0]; | |
2282 | rid = valary[1]; | |
2283 | quota = valary[2]; | |
34dc7c2f | 2284 | |
3558fd73 | 2285 | err = zfs_sb_hold(dsname, FTAG, &zsb, B_FALSE); |
428870ff | 2286 | if (err == 0) { |
3558fd73 BB |
2287 | err = zfs_set_userquota(zsb, type, domain, rid, quota); |
2288 | zfs_sb_rele(zsb, FTAG); | |
428870ff | 2289 | } |
9babb374 | 2290 | |
428870ff BB |
2291 | return (err); |
2292 | } | |
34dc7c2f | 2293 | |
428870ff BB |
2294 | /* |
2295 | * If the named property is one that has a special function to set its value, | |
2296 | * return 0 on success and a positive error code on failure; otherwise if it is | |
2297 | * not one of the special properties handled by this function, return -1. | |
2298 | * | |
2299 | * XXX: It would be better for callers of the property interface if we handled | |
2300 | * these special cases in dsl_prop.c (in the dsl layer). | |
2301 | */ | |
2302 | static int | |
2303 | zfs_prop_set_special(const char *dsname, zprop_source_t source, | |
2304 | nvpair_t *pair) | |
2305 | { | |
2306 | const char *propname = nvpair_name(pair); | |
2307 | zfs_prop_t prop = zfs_name_to_prop(propname); | |
2308 | uint64_t intval; | |
2309 | int err; | |
9babb374 | 2310 | |
428870ff BB |
2311 | if (prop == ZPROP_INVAL) { |
2312 | if (zfs_prop_userquota(propname)) | |
2313 | return (zfs_prop_set_userquota(dsname, pair)); | |
2314 | return (-1); | |
2315 | } | |
34dc7c2f | 2316 | |
428870ff BB |
2317 | if (nvpair_type(pair) == DATA_TYPE_NVLIST) { |
2318 | nvlist_t *attrs; | |
2319 | VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); | |
2320 | VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, | |
2321 | &pair) == 0); | |
2322 | } | |
b128c09f | 2323 | |
428870ff BB |
2324 | if (zfs_prop_get_type(prop) == PROP_TYPE_STRING) |
2325 | return (-1); | |
34dc7c2f | 2326 | |
428870ff | 2327 | VERIFY(0 == nvpair_value_uint64(pair, &intval)); |
34dc7c2f | 2328 | |
428870ff BB |
2329 | switch (prop) { |
2330 | case ZFS_PROP_QUOTA: | |
2331 | err = dsl_dir_set_quota(dsname, source, intval); | |
2332 | break; | |
2333 | case ZFS_PROP_REFQUOTA: | |
13fe0198 | 2334 | err = dsl_dataset_set_refquota(dsname, source, intval); |
428870ff BB |
2335 | break; |
2336 | case ZFS_PROP_RESERVATION: | |
2337 | err = dsl_dir_set_reservation(dsname, source, intval); | |
2338 | break; | |
2339 | case ZFS_PROP_REFRESERVATION: | |
13fe0198 | 2340 | err = dsl_dataset_set_refreservation(dsname, source, intval); |
428870ff BB |
2341 | break; |
2342 | case ZFS_PROP_VOLSIZE: | |
60101509 | 2343 | err = zvol_set_volsize(dsname, intval); |
428870ff | 2344 | break; |
0b4d1b58 ED |
2345 | case ZFS_PROP_SNAPDEV: |
2346 | err = zvol_set_snapdev(dsname, intval); | |
2347 | break; | |
428870ff BB |
2348 | case ZFS_PROP_VERSION: |
2349 | { | |
3558fd73 | 2350 | zfs_sb_t *zsb; |
428870ff | 2351 | |
3558fd73 | 2352 | if ((err = zfs_sb_hold(dsname, FTAG, &zsb, B_TRUE)) != 0) |
34dc7c2f | 2353 | break; |
b128c09f | 2354 | |
3558fd73 BB |
2355 | err = zfs_set_version(zsb, intval); |
2356 | zfs_sb_rele(zsb, FTAG); | |
34dc7c2f | 2357 | |
428870ff BB |
2358 | if (err == 0 && intval >= ZPL_VERSION_USERSPACE) { |
2359 | zfs_cmd_t *zc; | |
34dc7c2f | 2360 | |
fa6e5ced BB |
2361 | zc = kmem_zalloc(sizeof (zfs_cmd_t), |
2362 | KM_SLEEP | KM_NODEBUG); | |
428870ff BB |
2363 | (void) strcpy(zc->zc_name, dsname); |
2364 | (void) zfs_ioc_userspace_upgrade(zc); | |
2365 | kmem_free(zc, sizeof (zfs_cmd_t)); | |
34dc7c2f | 2366 | } |
428870ff BB |
2367 | break; |
2368 | } | |
9759c60f ED |
2369 | case ZFS_PROP_COMPRESSION: |
2370 | { | |
2371 | if (intval == ZIO_COMPRESS_LZ4) { | |
2372 | zfeature_info_t *feature = | |
2373 | &spa_feature_table[SPA_FEATURE_LZ4_COMPRESS]; | |
2374 | spa_t *spa; | |
9759c60f ED |
2375 | |
2376 | if ((err = spa_open(dsname, &spa, FTAG)) != 0) | |
2377 | return (err); | |
2378 | ||
9759c60f ED |
2379 | /* |
2380 | * Setting the LZ4 compression algorithm activates | |
2381 | * the feature. | |
2382 | */ | |
2383 | if (!spa_feature_is_active(spa, feature)) { | |
13fe0198 | 2384 | if ((err = zfs_prop_activate_feature(spa, |
9759c60f ED |
2385 | feature)) != 0) { |
2386 | spa_close(spa, FTAG); | |
2387 | return (err); | |
2388 | } | |
2389 | } | |
2390 | ||
2391 | spa_close(spa, FTAG); | |
2392 | } | |
2393 | /* | |
2394 | * We still want the default set action to be performed in the | |
2395 | * caller, we only performed zfeature settings here. | |
2396 | */ | |
2397 | err = -1; | |
2398 | break; | |
2399 | } | |
34dc7c2f | 2400 | |
428870ff BB |
2401 | default: |
2402 | err = -1; | |
2403 | } | |
34dc7c2f | 2404 | |
428870ff BB |
2405 | return (err); |
2406 | } | |
34dc7c2f | 2407 | |
428870ff BB |
2408 | /* |
2409 | * This function is best effort. If it fails to set any of the given properties, | |
6f1ffb06 MA |
2410 | * it continues to set as many as it can and returns the last error |
2411 | * encountered. If the caller provides a non-NULL errlist, it will be filled in | |
2412 | * with the list of names of all the properties that failed along with the | |
2413 | * corresponding error numbers. | |
428870ff | 2414 | * |
6f1ffb06 MA |
2415 | * If every property is set successfully, zero is returned and errlist is not |
2416 | * modified. | |
428870ff BB |
2417 | */ |
2418 | int | |
2419 | zfs_set_prop_nvlist(const char *dsname, zprop_source_t source, nvlist_t *nvl, | |
6f1ffb06 | 2420 | nvlist_t *errlist) |
428870ff BB |
2421 | { |
2422 | nvpair_t *pair; | |
2423 | nvpair_t *propval; | |
2424 | int rv = 0; | |
2425 | uint64_t intval; | |
2426 | char *strval; | |
34dc7c2f | 2427 | |
6f1ffb06 MA |
2428 | nvlist_t *genericnvl = fnvlist_alloc(); |
2429 | nvlist_t *retrynvl = fnvlist_alloc(); | |
428870ff BB |
2430 | retry: |
2431 | pair = NULL; | |
2432 | while ((pair = nvlist_next_nvpair(nvl, pair)) != NULL) { | |
2433 | const char *propname = nvpair_name(pair); | |
2434 | zfs_prop_t prop = zfs_name_to_prop(propname); | |
2435 | int err = 0; | |
2436 | ||
2437 | /* decode the property value */ | |
2438 | propval = pair; | |
2439 | if (nvpair_type(pair) == DATA_TYPE_NVLIST) { | |
2440 | nvlist_t *attrs; | |
6f1ffb06 | 2441 | attrs = fnvpair_value_nvlist(pair); |
428870ff BB |
2442 | if (nvlist_lookup_nvpair(attrs, ZPROP_VALUE, |
2443 | &propval) != 0) | |
2e528b49 | 2444 | err = SET_ERROR(EINVAL); |
9babb374 | 2445 | } |
34dc7c2f | 2446 | |
428870ff BB |
2447 | /* Validate value type */ |
2448 | if (err == 0 && prop == ZPROP_INVAL) { | |
2449 | if (zfs_prop_user(propname)) { | |
2450 | if (nvpair_type(propval) != DATA_TYPE_STRING) | |
2e528b49 | 2451 | err = SET_ERROR(EINVAL); |
428870ff BB |
2452 | } else if (zfs_prop_userquota(propname)) { |
2453 | if (nvpair_type(propval) != | |
2454 | DATA_TYPE_UINT64_ARRAY) | |
2e528b49 | 2455 | err = SET_ERROR(EINVAL); |
330d06f9 | 2456 | } else { |
2e528b49 | 2457 | err = SET_ERROR(EINVAL); |
428870ff BB |
2458 | } |
2459 | } else if (err == 0) { | |
2460 | if (nvpair_type(propval) == DATA_TYPE_STRING) { | |
2461 | if (zfs_prop_get_type(prop) != PROP_TYPE_STRING) | |
2e528b49 | 2462 | err = SET_ERROR(EINVAL); |
428870ff | 2463 | } else if (nvpair_type(propval) == DATA_TYPE_UINT64) { |
34dc7c2f BB |
2464 | const char *unused; |
2465 | ||
6f1ffb06 | 2466 | intval = fnvpair_value_uint64(propval); |
34dc7c2f BB |
2467 | |
2468 | switch (zfs_prop_get_type(prop)) { | |
2469 | case PROP_TYPE_NUMBER: | |
2470 | break; | |
2471 | case PROP_TYPE_STRING: | |
2e528b49 | 2472 | err = SET_ERROR(EINVAL); |
428870ff | 2473 | break; |
34dc7c2f BB |
2474 | case PROP_TYPE_INDEX: |
2475 | if (zfs_prop_index_to_string(prop, | |
428870ff | 2476 | intval, &unused) != 0) |
2e528b49 | 2477 | err = SET_ERROR(EINVAL); |
34dc7c2f BB |
2478 | break; |
2479 | default: | |
2480 | cmn_err(CE_PANIC, | |
2481 | "unknown property type"); | |
34dc7c2f | 2482 | } |
34dc7c2f | 2483 | } else { |
2e528b49 | 2484 | err = SET_ERROR(EINVAL); |
34dc7c2f | 2485 | } |
34dc7c2f | 2486 | } |
428870ff BB |
2487 | |
2488 | /* Validate permissions */ | |
2489 | if (err == 0) | |
2490 | err = zfs_check_settable(dsname, pair, CRED()); | |
2491 | ||
2492 | if (err == 0) { | |
2493 | err = zfs_prop_set_special(dsname, source, pair); | |
2494 | if (err == -1) { | |
2495 | /* | |
2496 | * For better performance we build up a list of | |
2497 | * properties to set in a single transaction. | |
2498 | */ | |
2499 | err = nvlist_add_nvpair(genericnvl, pair); | |
2500 | } else if (err != 0 && nvl != retrynvl) { | |
2501 | /* | |
2502 | * This may be a spurious error caused by | |
2503 | * receiving quota and reservation out of order. | |
2504 | * Try again in a second pass. | |
2505 | */ | |
2506 | err = nvlist_add_nvpair(retrynvl, pair); | |
2507 | } | |
2508 | } | |
2509 | ||
6f1ffb06 MA |
2510 | if (err != 0) { |
2511 | if (errlist != NULL) | |
2512 | fnvlist_add_int32(errlist, propname, err); | |
2513 | rv = err; | |
2514 | } | |
34dc7c2f BB |
2515 | } |
2516 | ||
428870ff BB |
2517 | if (nvl != retrynvl && !nvlist_empty(retrynvl)) { |
2518 | nvl = retrynvl; | |
2519 | goto retry; | |
2520 | } | |
2521 | ||
2522 | if (!nvlist_empty(genericnvl) && | |
2523 | dsl_props_set(dsname, source, genericnvl) != 0) { | |
2524 | /* | |
2525 | * If this fails, we still want to set as many properties as we | |
2526 | * can, so try setting them individually. | |
2527 | */ | |
2528 | pair = NULL; | |
2529 | while ((pair = nvlist_next_nvpair(genericnvl, pair)) != NULL) { | |
2530 | const char *propname = nvpair_name(pair); | |
2531 | int err = 0; | |
2532 | ||
2533 | propval = pair; | |
2534 | if (nvpair_type(pair) == DATA_TYPE_NVLIST) { | |
2535 | nvlist_t *attrs; | |
6f1ffb06 MA |
2536 | attrs = fnvpair_value_nvlist(pair); |
2537 | propval = fnvlist_lookup_nvpair(attrs, | |
2538 | ZPROP_VALUE); | |
428870ff BB |
2539 | } |
2540 | ||
2541 | if (nvpair_type(propval) == DATA_TYPE_STRING) { | |
6f1ffb06 | 2542 | strval = fnvpair_value_string(propval); |
13fe0198 MA |
2543 | err = dsl_prop_set_string(dsname, propname, |
2544 | source, strval); | |
428870ff | 2545 | } else { |
6f1ffb06 | 2546 | intval = fnvpair_value_uint64(propval); |
13fe0198 MA |
2547 | err = dsl_prop_set_int(dsname, propname, source, |
2548 | intval); | |
428870ff BB |
2549 | } |
2550 | ||
2551 | if (err != 0) { | |
6f1ffb06 MA |
2552 | if (errlist != NULL) { |
2553 | fnvlist_add_int32(errlist, propname, | |
2554 | err); | |
2555 | } | |
2556 | rv = err; | |
428870ff BB |
2557 | } |
2558 | } | |
9babb374 | 2559 | } |
9babb374 | 2560 | nvlist_free(genericnvl); |
428870ff BB |
2561 | nvlist_free(retrynvl); |
2562 | ||
428870ff | 2563 | return (rv); |
9babb374 BB |
2564 | } |
2565 | ||
2566 | /* | |
2567 | * Check that all the properties are valid user properties. | |
2568 | */ | |
2569 | static int | |
6f1ffb06 | 2570 | zfs_check_userprops(const char *fsname, nvlist_t *nvl) |
9babb374 | 2571 | { |
428870ff | 2572 | nvpair_t *pair = NULL; |
9babb374 BB |
2573 | int error = 0; |
2574 | ||
428870ff BB |
2575 | while ((pair = nvlist_next_nvpair(nvl, pair)) != NULL) { |
2576 | const char *propname = nvpair_name(pair); | |
9babb374 BB |
2577 | char *valstr; |
2578 | ||
2579 | if (!zfs_prop_user(propname) || | |
428870ff | 2580 | nvpair_type(pair) != DATA_TYPE_STRING) |
2e528b49 | 2581 | return (SET_ERROR(EINVAL)); |
9babb374 | 2582 | |
c65aa5b2 BB |
2583 | if ((error = zfs_secpolicy_write_perms(fsname, |
2584 | ZFS_DELEG_PERM_USERPROP, CRED()))) | |
9babb374 BB |
2585 | return (error); |
2586 | ||
2587 | if (strlen(propname) >= ZAP_MAXNAMELEN) | |
2e528b49 | 2588 | return (SET_ERROR(ENAMETOOLONG)); |
9babb374 | 2589 | |
428870ff | 2590 | VERIFY(nvpair_value_string(pair, &valstr) == 0); |
9babb374 | 2591 | if (strlen(valstr) >= ZAP_MAXVALUELEN) |
2e528b49 | 2592 | return (SET_ERROR(E2BIG)); |
9babb374 | 2593 | } |
34dc7c2f BB |
2594 | return (0); |
2595 | } | |
2596 | ||
428870ff BB |
2597 | static void |
2598 | props_skip(nvlist_t *props, nvlist_t *skipped, nvlist_t **newprops) | |
2599 | { | |
2600 | nvpair_t *pair; | |
2601 | ||
2602 | VERIFY(nvlist_alloc(newprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
2603 | ||
2604 | pair = NULL; | |
2605 | while ((pair = nvlist_next_nvpair(props, pair)) != NULL) { | |
2606 | if (nvlist_exists(skipped, nvpair_name(pair))) | |
2607 | continue; | |
2608 | ||
2609 | VERIFY(nvlist_add_nvpair(*newprops, pair) == 0); | |
2610 | } | |
2611 | } | |
2612 | ||
2613 | static int | |
13fe0198 | 2614 | clear_received_props(const char *dsname, nvlist_t *props, |
428870ff BB |
2615 | nvlist_t *skipped) |
2616 | { | |
2617 | int err = 0; | |
2618 | nvlist_t *cleared_props = NULL; | |
2619 | props_skip(props, skipped, &cleared_props); | |
2620 | if (!nvlist_empty(cleared_props)) { | |
2621 | /* | |
2622 | * Acts on local properties until the dataset has received | |
2623 | * properties at least once on or after SPA_VERSION_RECVD_PROPS. | |
2624 | */ | |
2625 | zprop_source_t flags = (ZPROP_SRC_NONE | | |
13fe0198 MA |
2626 | (dsl_prop_get_hasrecvd(dsname) ? ZPROP_SRC_RECEIVED : 0)); |
2627 | err = zfs_set_prop_nvlist(dsname, flags, cleared_props, NULL); | |
428870ff BB |
2628 | } |
2629 | nvlist_free(cleared_props); | |
2630 | return (err); | |
2631 | } | |
2632 | ||
34dc7c2f BB |
2633 | /* |
2634 | * inputs: | |
2635 | * zc_name name of filesystem | |
9babb374 | 2636 | * zc_value name of property to set |
34dc7c2f | 2637 | * zc_nvlist_src{_size} nvlist of properties to apply |
428870ff | 2638 | * zc_cookie received properties flag |
34dc7c2f | 2639 | * |
428870ff BB |
2640 | * outputs: |
2641 | * zc_nvlist_dst{_size} error for each unapplied received property | |
34dc7c2f BB |
2642 | */ |
2643 | static int | |
2644 | zfs_ioc_set_prop(zfs_cmd_t *zc) | |
2645 | { | |
2646 | nvlist_t *nvl; | |
428870ff BB |
2647 | boolean_t received = zc->zc_cookie; |
2648 | zprop_source_t source = (received ? ZPROP_SRC_RECEIVED : | |
2649 | ZPROP_SRC_LOCAL); | |
6f1ffb06 | 2650 | nvlist_t *errors; |
34dc7c2f BB |
2651 | int error; |
2652 | ||
2653 | if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 2654 | zc->zc_iflags, &nvl)) != 0) |
34dc7c2f BB |
2655 | return (error); |
2656 | ||
428870ff | 2657 | if (received) { |
b128c09f | 2658 | nvlist_t *origprops; |
b128c09f | 2659 | |
13fe0198 MA |
2660 | if (dsl_prop_get_received(zc->zc_name, &origprops) == 0) { |
2661 | (void) clear_received_props(zc->zc_name, | |
2662 | origprops, nvl); | |
2663 | nvlist_free(origprops); | |
428870ff | 2664 | } |
13fe0198 MA |
2665 | |
2666 | error = dsl_prop_set_hasrecvd(zc->zc_name); | |
b128c09f BB |
2667 | } |
2668 | ||
6f1ffb06 | 2669 | errors = fnvlist_alloc(); |
13fe0198 MA |
2670 | if (error == 0) |
2671 | error = zfs_set_prop_nvlist(zc->zc_name, source, nvl, errors); | |
34dc7c2f | 2672 | |
b8864a23 | 2673 | if (zc->zc_nvlist_dst != 0 && errors != NULL) { |
428870ff BB |
2674 | (void) put_nvlist(zc, errors); |
2675 | } | |
2676 | ||
2677 | nvlist_free(errors); | |
34dc7c2f BB |
2678 | nvlist_free(nvl); |
2679 | return (error); | |
2680 | } | |
2681 | ||
2682 | /* | |
2683 | * inputs: | |
2684 | * zc_name name of filesystem | |
2685 | * zc_value name of property to inherit | |
428870ff | 2686 | * zc_cookie revert to received value if TRUE |
34dc7c2f BB |
2687 | * |
2688 | * outputs: none | |
2689 | */ | |
2690 | static int | |
2691 | zfs_ioc_inherit_prop(zfs_cmd_t *zc) | |
2692 | { | |
428870ff BB |
2693 | const char *propname = zc->zc_value; |
2694 | zfs_prop_t prop = zfs_name_to_prop(propname); | |
2695 | boolean_t received = zc->zc_cookie; | |
2696 | zprop_source_t source = (received | |
2697 | ? ZPROP_SRC_NONE /* revert to received value, if any */ | |
2698 | : ZPROP_SRC_INHERITED); /* explicitly inherit */ | |
2699 | ||
2700 | if (received) { | |
2701 | nvlist_t *dummy; | |
2702 | nvpair_t *pair; | |
2703 | zprop_type_t type; | |
2704 | int err; | |
2705 | ||
2706 | /* | |
2707 | * zfs_prop_set_special() expects properties in the form of an | |
2708 | * nvpair with type info. | |
2709 | */ | |
2710 | if (prop == ZPROP_INVAL) { | |
2711 | if (!zfs_prop_user(propname)) | |
2e528b49 | 2712 | return (SET_ERROR(EINVAL)); |
428870ff BB |
2713 | |
2714 | type = PROP_TYPE_STRING; | |
2715 | } else if (prop == ZFS_PROP_VOLSIZE || | |
2716 | prop == ZFS_PROP_VERSION) { | |
2e528b49 | 2717 | return (SET_ERROR(EINVAL)); |
428870ff BB |
2718 | } else { |
2719 | type = zfs_prop_get_type(prop); | |
2720 | } | |
2721 | ||
2722 | VERIFY(nvlist_alloc(&dummy, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
2723 | ||
2724 | switch (type) { | |
2725 | case PROP_TYPE_STRING: | |
2726 | VERIFY(0 == nvlist_add_string(dummy, propname, "")); | |
2727 | break; | |
2728 | case PROP_TYPE_NUMBER: | |
2729 | case PROP_TYPE_INDEX: | |
2730 | VERIFY(0 == nvlist_add_uint64(dummy, propname, 0)); | |
2731 | break; | |
2732 | default: | |
2733 | nvlist_free(dummy); | |
2e528b49 | 2734 | return (SET_ERROR(EINVAL)); |
428870ff BB |
2735 | } |
2736 | ||
2737 | pair = nvlist_next_nvpair(dummy, NULL); | |
2738 | err = zfs_prop_set_special(zc->zc_name, source, pair); | |
2739 | nvlist_free(dummy); | |
2740 | if (err != -1) | |
2741 | return (err); /* special property already handled */ | |
2742 | } else { | |
2743 | /* | |
2744 | * Only check this in the non-received case. We want to allow | |
2745 | * 'inherit -S' to revert non-inheritable properties like quota | |
2746 | * and reservation to the received or default values even though | |
2747 | * they are not considered inheritable. | |
2748 | */ | |
2749 | if (prop != ZPROP_INVAL && !zfs_prop_inheritable(prop)) | |
2e528b49 | 2750 | return (SET_ERROR(EINVAL)); |
428870ff BB |
2751 | } |
2752 | ||
6f1ffb06 | 2753 | /* property name has been validated by zfs_secpolicy_inherit_prop() */ |
13fe0198 | 2754 | return (dsl_prop_inherit(zc->zc_name, zc->zc_value, source)); |
34dc7c2f BB |
2755 | } |
2756 | ||
2757 | static int | |
2758 | zfs_ioc_pool_set_props(zfs_cmd_t *zc) | |
2759 | { | |
2760 | nvlist_t *props; | |
2761 | spa_t *spa; | |
2762 | int error; | |
428870ff | 2763 | nvpair_t *pair; |
34dc7c2f | 2764 | |
c65aa5b2 BB |
2765 | if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
2766 | zc->zc_iflags, &props))) | |
34dc7c2f BB |
2767 | return (error); |
2768 | ||
d164b209 BB |
2769 | /* |
2770 | * If the only property is the configfile, then just do a spa_lookup() | |
2771 | * to handle the faulted case. | |
2772 | */ | |
428870ff BB |
2773 | pair = nvlist_next_nvpair(props, NULL); |
2774 | if (pair != NULL && strcmp(nvpair_name(pair), | |
d164b209 | 2775 | zpool_prop_to_name(ZPOOL_PROP_CACHEFILE)) == 0 && |
428870ff | 2776 | nvlist_next_nvpair(props, pair) == NULL) { |
d164b209 BB |
2777 | mutex_enter(&spa_namespace_lock); |
2778 | if ((spa = spa_lookup(zc->zc_name)) != NULL) { | |
2779 | spa_configfile_set(spa, props, B_FALSE); | |
2780 | spa_config_sync(spa, B_FALSE, B_TRUE); | |
2781 | } | |
2782 | mutex_exit(&spa_namespace_lock); | |
428870ff BB |
2783 | if (spa != NULL) { |
2784 | nvlist_free(props); | |
d164b209 | 2785 | return (0); |
428870ff | 2786 | } |
d164b209 BB |
2787 | } |
2788 | ||
34dc7c2f BB |
2789 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { |
2790 | nvlist_free(props); | |
2791 | return (error); | |
2792 | } | |
2793 | ||
2794 | error = spa_prop_set(spa, props); | |
2795 | ||
2796 | nvlist_free(props); | |
2797 | spa_close(spa, FTAG); | |
2798 | ||
2799 | return (error); | |
2800 | } | |
2801 | ||
2802 | static int | |
2803 | zfs_ioc_pool_get_props(zfs_cmd_t *zc) | |
2804 | { | |
2805 | spa_t *spa; | |
2806 | int error; | |
2807 | nvlist_t *nvp = NULL; | |
2808 | ||
d164b209 BB |
2809 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { |
2810 | /* | |
2811 | * If the pool is faulted, there may be properties we can still | |
2812 | * get (such as altroot and cachefile), so attempt to get them | |
2813 | * anyway. | |
2814 | */ | |
2815 | mutex_enter(&spa_namespace_lock); | |
2816 | if ((spa = spa_lookup(zc->zc_name)) != NULL) | |
2817 | error = spa_prop_get(spa, &nvp); | |
2818 | mutex_exit(&spa_namespace_lock); | |
2819 | } else { | |
2820 | error = spa_prop_get(spa, &nvp); | |
2821 | spa_close(spa, FTAG); | |
2822 | } | |
34dc7c2f | 2823 | |
b8864a23 | 2824 | if (error == 0 && zc->zc_nvlist_dst != 0) |
34dc7c2f BB |
2825 | error = put_nvlist(zc, nvp); |
2826 | else | |
2e528b49 | 2827 | error = SET_ERROR(EFAULT); |
34dc7c2f | 2828 | |
d164b209 | 2829 | nvlist_free(nvp); |
34dc7c2f BB |
2830 | return (error); |
2831 | } | |
2832 | ||
60101509 BB |
2833 | /* |
2834 | * inputs: | |
2835 | * zc_name name of volume | |
2836 | * | |
2837 | * outputs: none | |
2838 | */ | |
2839 | static int | |
2840 | zfs_ioc_create_minor(zfs_cmd_t *zc) | |
2841 | { | |
2842 | return (zvol_create_minor(zc->zc_name)); | |
2843 | } | |
2844 | ||
2845 | /* | |
2846 | * inputs: | |
2847 | * zc_name name of volume | |
2848 | * | |
2849 | * outputs: none | |
2850 | */ | |
2851 | static int | |
2852 | zfs_ioc_remove_minor(zfs_cmd_t *zc) | |
2853 | { | |
2854 | return (zvol_remove_minor(zc->zc_name)); | |
2855 | } | |
2856 | ||
34dc7c2f BB |
2857 | /* |
2858 | * inputs: | |
2859 | * zc_name name of filesystem | |
2860 | * zc_nvlist_src{_size} nvlist of delegated permissions | |
2861 | * zc_perm_action allow/unallow flag | |
2862 | * | |
2863 | * outputs: none | |
2864 | */ | |
2865 | static int | |
2866 | zfs_ioc_set_fsacl(zfs_cmd_t *zc) | |
2867 | { | |
2868 | int error; | |
2869 | nvlist_t *fsaclnv = NULL; | |
2870 | ||
2871 | if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 2872 | zc->zc_iflags, &fsaclnv)) != 0) |
34dc7c2f BB |
2873 | return (error); |
2874 | ||
2875 | /* | |
2876 | * Verify nvlist is constructed correctly | |
2877 | */ | |
2878 | if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { | |
2879 | nvlist_free(fsaclnv); | |
2e528b49 | 2880 | return (SET_ERROR(EINVAL)); |
34dc7c2f BB |
2881 | } |
2882 | ||
2883 | /* | |
2884 | * If we don't have PRIV_SYS_MOUNT, then validate | |
2885 | * that user is allowed to hand out each permission in | |
2886 | * the nvlist(s) | |
2887 | */ | |
2888 | ||
2889 | error = secpolicy_zfs(CRED()); | |
13fe0198 | 2890 | if (error != 0) { |
34dc7c2f BB |
2891 | if (zc->zc_perm_action == B_FALSE) { |
2892 | error = dsl_deleg_can_allow(zc->zc_name, | |
2893 | fsaclnv, CRED()); | |
2894 | } else { | |
2895 | error = dsl_deleg_can_unallow(zc->zc_name, | |
2896 | fsaclnv, CRED()); | |
2897 | } | |
2898 | } | |
2899 | ||
2900 | if (error == 0) | |
2901 | error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); | |
2902 | ||
2903 | nvlist_free(fsaclnv); | |
2904 | return (error); | |
2905 | } | |
2906 | ||
2907 | /* | |
2908 | * inputs: | |
2909 | * zc_name name of filesystem | |
2910 | * | |
2911 | * outputs: | |
2912 | * zc_nvlist_src{_size} nvlist of delegated permissions | |
2913 | */ | |
2914 | static int | |
2915 | zfs_ioc_get_fsacl(zfs_cmd_t *zc) | |
2916 | { | |
2917 | nvlist_t *nvp; | |
2918 | int error; | |
2919 | ||
2920 | if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { | |
2921 | error = put_nvlist(zc, nvp); | |
2922 | nvlist_free(nvp); | |
2923 | } | |
2924 | ||
2925 | return (error); | |
2926 | } | |
2927 | ||
34dc7c2f BB |
2928 | /* ARGSUSED */ |
2929 | static void | |
2930 | zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) | |
2931 | { | |
2932 | zfs_creat_t *zct = arg; | |
2933 | ||
2934 | zfs_create_fs(os, cr, zct->zct_zplprops, tx); | |
2935 | } | |
2936 | ||
2937 | #define ZFS_PROP_UNDEFINED ((uint64_t)-1) | |
2938 | ||
2939 | /* | |
2940 | * inputs: | |
b128c09f | 2941 | * os parent objset pointer (NULL if root fs) |
d3cc8b15 WA |
2942 | * fuids_ok fuids allowed in this version of the spa? |
2943 | * sa_ok SAs allowed in this version of the spa? | |
2944 | * createprops list of properties requested by creator | |
34dc7c2f BB |
2945 | * |
2946 | * outputs: | |
2947 | * zplprops values for the zplprops we attach to the master node object | |
b128c09f | 2948 | * is_ci true if requested file system will be purely case-insensitive |
34dc7c2f BB |
2949 | * |
2950 | * Determine the settings for utf8only, normalization and | |
2951 | * casesensitivity. Specific values may have been requested by the | |
2952 | * creator and/or we can inherit values from the parent dataset. If | |
2953 | * the file system is of too early a vintage, a creator can not | |
2954 | * request settings for these properties, even if the requested | |
2955 | * setting is the default value. We don't actually want to create dsl | |
2956 | * properties for these, so remove them from the source nvlist after | |
2957 | * processing. | |
2958 | */ | |
2959 | static int | |
9babb374 | 2960 | zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver, |
428870ff BB |
2961 | boolean_t fuids_ok, boolean_t sa_ok, nvlist_t *createprops, |
2962 | nvlist_t *zplprops, boolean_t *is_ci) | |
34dc7c2f | 2963 | { |
34dc7c2f BB |
2964 | uint64_t sense = ZFS_PROP_UNDEFINED; |
2965 | uint64_t norm = ZFS_PROP_UNDEFINED; | |
2966 | uint64_t u8 = ZFS_PROP_UNDEFINED; | |
b129c659 | 2967 | int error; |
34dc7c2f BB |
2968 | |
2969 | ASSERT(zplprops != NULL); | |
2970 | ||
34dc7c2f BB |
2971 | /* |
2972 | * Pull out creator prop choices, if any. | |
2973 | */ | |
2974 | if (createprops) { | |
b128c09f BB |
2975 | (void) nvlist_lookup_uint64(createprops, |
2976 | zfs_prop_to_name(ZFS_PROP_VERSION), &zplver); | |
34dc7c2f BB |
2977 | (void) nvlist_lookup_uint64(createprops, |
2978 | zfs_prop_to_name(ZFS_PROP_NORMALIZE), &norm); | |
2979 | (void) nvlist_remove_all(createprops, | |
2980 | zfs_prop_to_name(ZFS_PROP_NORMALIZE)); | |
2981 | (void) nvlist_lookup_uint64(createprops, | |
2982 | zfs_prop_to_name(ZFS_PROP_UTF8ONLY), &u8); | |
2983 | (void) nvlist_remove_all(createprops, | |
2984 | zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); | |
2985 | (void) nvlist_lookup_uint64(createprops, | |
2986 | zfs_prop_to_name(ZFS_PROP_CASE), &sense); | |
2987 | (void) nvlist_remove_all(createprops, | |
2988 | zfs_prop_to_name(ZFS_PROP_CASE)); | |
2989 | } | |
2990 | ||
2991 | /* | |
b128c09f BB |
2992 | * If the zpl version requested is whacky or the file system |
2993 | * or pool is version is too "young" to support normalization | |
2994 | * and the creator tried to set a value for one of the props, | |
2995 | * error out. | |
34dc7c2f | 2996 | */ |
b128c09f BB |
2997 | if ((zplver < ZPL_VERSION_INITIAL || zplver > ZPL_VERSION) || |
2998 | (zplver >= ZPL_VERSION_FUID && !fuids_ok) || | |
428870ff | 2999 | (zplver >= ZPL_VERSION_SA && !sa_ok) || |
b128c09f | 3000 | (zplver < ZPL_VERSION_NORMALIZATION && |
34dc7c2f | 3001 | (norm != ZFS_PROP_UNDEFINED || u8 != ZFS_PROP_UNDEFINED || |
b128c09f | 3002 | sense != ZFS_PROP_UNDEFINED))) |
2e528b49 | 3003 | return (SET_ERROR(ENOTSUP)); |
34dc7c2f BB |
3004 | |
3005 | /* | |
3006 | * Put the version in the zplprops | |
3007 | */ | |
3008 | VERIFY(nvlist_add_uint64(zplprops, | |
3009 | zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0); | |
3010 | ||
b129c659 MM |
3011 | if (norm == ZFS_PROP_UNDEFINED && |
3012 | (error = zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm)) != 0) | |
3013 | return (error); | |
34dc7c2f BB |
3014 | VERIFY(nvlist_add_uint64(zplprops, |
3015 | zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0); | |
3016 | ||
3017 | /* | |
3018 | * If we're normalizing, names must always be valid UTF-8 strings. | |
3019 | */ | |
3020 | if (norm) | |
3021 | u8 = 1; | |
b129c659 MM |
3022 | if (u8 == ZFS_PROP_UNDEFINED && |
3023 | (error = zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8)) != 0) | |
3024 | return (error); | |
34dc7c2f BB |
3025 | VERIFY(nvlist_add_uint64(zplprops, |
3026 | zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0); | |
3027 | ||
b129c659 MM |
3028 | if (sense == ZFS_PROP_UNDEFINED && |
3029 | (error = zfs_get_zplprop(os, ZFS_PROP_CASE, &sense)) != 0) | |
3030 | return (error); | |
34dc7c2f BB |
3031 | VERIFY(nvlist_add_uint64(zplprops, |
3032 | zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0); | |
3033 | ||
3034 | if (is_ci) | |
3035 | *is_ci = (sense == ZFS_CASE_INSENSITIVE); | |
3036 | ||
34dc7c2f BB |
3037 | return (0); |
3038 | } | |
3039 | ||
b128c09f BB |
3040 | static int |
3041 | zfs_fill_zplprops(const char *dataset, nvlist_t *createprops, | |
3042 | nvlist_t *zplprops, boolean_t *is_ci) | |
3043 | { | |
428870ff | 3044 | boolean_t fuids_ok, sa_ok; |
b128c09f BB |
3045 | uint64_t zplver = ZPL_VERSION; |
3046 | objset_t *os = NULL; | |
3047 | char parentname[MAXNAMELEN]; | |
3048 | char *cp; | |
428870ff BB |
3049 | spa_t *spa; |
3050 | uint64_t spa_vers; | |
b128c09f BB |
3051 | int error; |
3052 | ||
3053 | (void) strlcpy(parentname, dataset, sizeof (parentname)); | |
3054 | cp = strrchr(parentname, '/'); | |
3055 | ASSERT(cp != NULL); | |
3056 | cp[0] = '\0'; | |
3057 | ||
428870ff BB |
3058 | if ((error = spa_open(dataset, &spa, FTAG)) != 0) |
3059 | return (error); | |
3060 | ||
3061 | spa_vers = spa_version(spa); | |
3062 | spa_close(spa, FTAG); | |
3063 | ||
3064 | zplver = zfs_zpl_version_map(spa_vers); | |
3065 | fuids_ok = (zplver >= ZPL_VERSION_FUID); | |
3066 | sa_ok = (zplver >= ZPL_VERSION_SA); | |
b128c09f BB |
3067 | |
3068 | /* | |
3069 | * Open parent object set so we can inherit zplprop values. | |
3070 | */ | |
428870ff | 3071 | if ((error = dmu_objset_hold(parentname, FTAG, &os)) != 0) |
b128c09f BB |
3072 | return (error); |
3073 | ||
428870ff | 3074 | error = zfs_fill_zplprops_impl(os, zplver, fuids_ok, sa_ok, createprops, |
b128c09f | 3075 | zplprops, is_ci); |
428870ff | 3076 | dmu_objset_rele(os, FTAG); |
b128c09f BB |
3077 | return (error); |
3078 | } | |
3079 | ||
3080 | static int | |
3081 | zfs_fill_zplprops_root(uint64_t spa_vers, nvlist_t *createprops, | |
3082 | nvlist_t *zplprops, boolean_t *is_ci) | |
3083 | { | |
428870ff BB |
3084 | boolean_t fuids_ok; |
3085 | boolean_t sa_ok; | |
b128c09f BB |
3086 | uint64_t zplver = ZPL_VERSION; |
3087 | int error; | |
3088 | ||
428870ff BB |
3089 | zplver = zfs_zpl_version_map(spa_vers); |
3090 | fuids_ok = (zplver >= ZPL_VERSION_FUID); | |
3091 | sa_ok = (zplver >= ZPL_VERSION_SA); | |
b128c09f | 3092 | |
428870ff BB |
3093 | error = zfs_fill_zplprops_impl(NULL, zplver, fuids_ok, sa_ok, |
3094 | createprops, zplprops, is_ci); | |
b128c09f BB |
3095 | return (error); |
3096 | } | |
3097 | ||
34dc7c2f | 3098 | /* |
6f1ffb06 MA |
3099 | * innvl: { |
3100 | * "type" -> dmu_objset_type_t (int32) | |
3101 | * (optional) "props" -> { prop -> value } | |
3102 | * } | |
34dc7c2f | 3103 | * |
6f1ffb06 | 3104 | * outnvl: propname -> error code (int32) |
34dc7c2f BB |
3105 | */ |
3106 | static int | |
6f1ffb06 | 3107 | zfs_ioc_create(const char *fsname, nvlist_t *innvl, nvlist_t *outnvl) |
34dc7c2f | 3108 | { |
34dc7c2f | 3109 | int error = 0; |
6f1ffb06 | 3110 | zfs_creat_t zct = { 0 }; |
34dc7c2f BB |
3111 | nvlist_t *nvprops = NULL; |
3112 | void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); | |
6f1ffb06 MA |
3113 | int32_t type32; |
3114 | dmu_objset_type_t type; | |
3115 | boolean_t is_insensitive = B_FALSE; | |
34dc7c2f | 3116 | |
6f1ffb06 | 3117 | if (nvlist_lookup_int32(innvl, "type", &type32) != 0) |
2e528b49 | 3118 | return (SET_ERROR(EINVAL)); |
6f1ffb06 MA |
3119 | type = type32; |
3120 | (void) nvlist_lookup_nvlist(innvl, "props", &nvprops); | |
34dc7c2f | 3121 | |
6f1ffb06 | 3122 | switch (type) { |
34dc7c2f BB |
3123 | case DMU_OST_ZFS: |
3124 | cbfunc = zfs_create_cb; | |
3125 | break; | |
3126 | ||
3127 | case DMU_OST_ZVOL: | |
3128 | cbfunc = zvol_create_cb; | |
3129 | break; | |
3130 | ||
3131 | default: | |
3132 | cbfunc = NULL; | |
3133 | break; | |
3134 | } | |
6f1ffb06 MA |
3135 | if (strchr(fsname, '@') || |
3136 | strchr(fsname, '%')) | |
2e528b49 | 3137 | return (SET_ERROR(EINVAL)); |
34dc7c2f | 3138 | |
34dc7c2f BB |
3139 | zct.zct_props = nvprops; |
3140 | ||
6f1ffb06 | 3141 | if (cbfunc == NULL) |
2e528b49 | 3142 | return (SET_ERROR(EINVAL)); |
34dc7c2f | 3143 | |
6f1ffb06 MA |
3144 | if (type == DMU_OST_ZVOL) { |
3145 | uint64_t volsize, volblocksize; | |
34dc7c2f | 3146 | |
6f1ffb06 | 3147 | if (nvprops == NULL) |
2e528b49 | 3148 | return (SET_ERROR(EINVAL)); |
6f1ffb06 MA |
3149 | if (nvlist_lookup_uint64(nvprops, |
3150 | zfs_prop_to_name(ZFS_PROP_VOLSIZE), &volsize) != 0) | |
2e528b49 | 3151 | return (SET_ERROR(EINVAL)); |
34dc7c2f | 3152 | |
6f1ffb06 MA |
3153 | if ((error = nvlist_lookup_uint64(nvprops, |
3154 | zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
3155 | &volblocksize)) != 0 && error != ENOENT) | |
2e528b49 | 3156 | return (SET_ERROR(EINVAL)); |
34dc7c2f | 3157 | |
6f1ffb06 MA |
3158 | if (error != 0) |
3159 | volblocksize = zfs_prop_default_numeric( | |
3160 | ZFS_PROP_VOLBLOCKSIZE); | |
34dc7c2f | 3161 | |
6f1ffb06 MA |
3162 | if ((error = zvol_check_volblocksize( |
3163 | volblocksize)) != 0 || | |
3164 | (error = zvol_check_volsize(volsize, | |
3165 | volblocksize)) != 0) | |
3166 | return (error); | |
3167 | } else if (type == DMU_OST_ZFS) { | |
3168 | int error; | |
34dc7c2f | 3169 | |
6f1ffb06 MA |
3170 | /* |
3171 | * We have to have normalization and | |
3172 | * case-folding flags correct when we do the | |
3173 | * file system creation, so go figure them out | |
3174 | * now. | |
3175 | */ | |
3176 | VERIFY(nvlist_alloc(&zct.zct_zplprops, | |
3177 | NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
3178 | error = zfs_fill_zplprops(fsname, nvprops, | |
3179 | zct.zct_zplprops, &is_insensitive); | |
3180 | if (error != 0) { | |
3181 | nvlist_free(zct.zct_zplprops); | |
3182 | return (error); | |
34dc7c2f | 3183 | } |
34dc7c2f BB |
3184 | } |
3185 | ||
6f1ffb06 MA |
3186 | error = dmu_objset_create(fsname, type, |
3187 | is_insensitive ? DS_FLAG_CI_DATASET : 0, cbfunc, &zct); | |
3188 | nvlist_free(zct.zct_zplprops); | |
3189 | ||
34dc7c2f BB |
3190 | /* |
3191 | * It would be nice to do this atomically. | |
3192 | */ | |
3193 | if (error == 0) { | |
6f1ffb06 MA |
3194 | error = zfs_set_prop_nvlist(fsname, ZPROP_SRC_LOCAL, |
3195 | nvprops, outnvl); | |
428870ff | 3196 | if (error != 0) |
13fe0198 | 3197 | (void) dsl_destroy_head(fsname); |
34dc7c2f | 3198 | } |
34dc7c2f BB |
3199 | return (error); |
3200 | } | |
3201 | ||
3202 | /* | |
6f1ffb06 MA |
3203 | * innvl: { |
3204 | * "origin" -> name of origin snapshot | |
3205 | * (optional) "props" -> { prop -> value } | |
3206 | * } | |
34dc7c2f | 3207 | * |
428870ff | 3208 | * outputs: |
6f1ffb06 | 3209 | * outnvl: propname -> error code (int32) |
34dc7c2f BB |
3210 | */ |
3211 | static int | |
6f1ffb06 | 3212 | zfs_ioc_clone(const char *fsname, nvlist_t *innvl, nvlist_t *outnvl) |
34dc7c2f | 3213 | { |
6f1ffb06 | 3214 | int error = 0; |
b128c09f | 3215 | nvlist_t *nvprops = NULL; |
6f1ffb06 | 3216 | char *origin_name; |
b128c09f | 3217 | |
6f1ffb06 | 3218 | if (nvlist_lookup_string(innvl, "origin", &origin_name) != 0) |
2e528b49 | 3219 | return (SET_ERROR(EINVAL)); |
6f1ffb06 | 3220 | (void) nvlist_lookup_nvlist(innvl, "props", &nvprops); |
b128c09f | 3221 | |
6f1ffb06 MA |
3222 | if (strchr(fsname, '@') || |
3223 | strchr(fsname, '%')) | |
2e528b49 | 3224 | return (SET_ERROR(EINVAL)); |
6f1ffb06 MA |
3225 | |
3226 | if (dataset_namecheck(origin_name, NULL, NULL) != 0) | |
2e528b49 | 3227 | return (SET_ERROR(EINVAL)); |
13fe0198 MA |
3228 | error = dmu_objset_clone(fsname, origin_name); |
3229 | if (error != 0) | |
6f1ffb06 | 3230 | return (error); |
b128c09f | 3231 | |
6f1ffb06 MA |
3232 | /* |
3233 | * It would be nice to do this atomically. | |
3234 | */ | |
3235 | if (error == 0) { | |
3236 | error = zfs_set_prop_nvlist(fsname, ZPROP_SRC_LOCAL, | |
3237 | nvprops, outnvl); | |
3238 | if (error != 0) | |
13fe0198 | 3239 | (void) dsl_destroy_head(fsname); |
b128c09f | 3240 | } |
6f1ffb06 MA |
3241 | return (error); |
3242 | } | |
9babb374 | 3243 | |
6f1ffb06 MA |
3244 | /* |
3245 | * innvl: { | |
3246 | * "snaps" -> { snapshot1, snapshot2 } | |
3247 | * (optional) "props" -> { prop -> value (string) } | |
3248 | * } | |
3249 | * | |
3250 | * outnvl: snapshot -> error code (int32) | |
6f1ffb06 MA |
3251 | */ |
3252 | static int | |
3253 | zfs_ioc_snapshot(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl) | |
3254 | { | |
3255 | nvlist_t *snaps; | |
3256 | nvlist_t *props = NULL; | |
3257 | int error, poollen; | |
3258 | nvpair_t *pair, *pair2; | |
9babb374 | 3259 | |
6f1ffb06 MA |
3260 | (void) nvlist_lookup_nvlist(innvl, "props", &props); |
3261 | if ((error = zfs_check_userprops(poolname, props)) != 0) | |
3262 | return (error); | |
3263 | ||
3264 | if (!nvlist_empty(props) && | |
3265 | zfs_earlier_version(poolname, SPA_VERSION_SNAP_PROPS)) | |
2e528b49 | 3266 | return (SET_ERROR(ENOTSUP)); |
6f1ffb06 MA |
3267 | |
3268 | if (nvlist_lookup_nvlist(innvl, "snaps", &snaps) != 0) | |
2e528b49 | 3269 | return (SET_ERROR(EINVAL)); |
6f1ffb06 MA |
3270 | poollen = strlen(poolname); |
3271 | for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; | |
3272 | pair = nvlist_next_nvpair(snaps, pair)) { | |
3273 | const char *name = nvpair_name(pair); | |
3274 | const char *cp = strchr(name, '@'); | |
3275 | ||
3276 | /* | |
3277 | * The snap name must contain an @, and the part after it must | |
3278 | * contain only valid characters. | |
3279 | */ | |
3280 | if (cp == NULL || snapshot_namecheck(cp + 1, NULL, NULL) != 0) | |
2e528b49 | 3281 | return (SET_ERROR(EINVAL)); |
6f1ffb06 MA |
3282 | |
3283 | /* | |
3284 | * The snap must be in the specified pool. | |
3285 | */ | |
3286 | if (strncmp(name, poolname, poollen) != 0 || | |
3287 | (name[poollen] != '/' && name[poollen] != '@')) | |
2e528b49 | 3288 | return (SET_ERROR(EXDEV)); |
6f1ffb06 MA |
3289 | |
3290 | /* This must be the only snap of this fs. */ | |
3291 | for (pair2 = nvlist_next_nvpair(snaps, pair); | |
3292 | pair2 != NULL; pair2 = nvlist_next_nvpair(snaps, pair2)) { | |
3293 | if (strncmp(name, nvpair_name(pair2), cp - name + 1) | |
3294 | == 0) { | |
2e528b49 | 3295 | return (SET_ERROR(EXDEV)); |
6f1ffb06 MA |
3296 | } |
3297 | } | |
3298 | } | |
3299 | ||
13fe0198 | 3300 | error = dsl_dataset_snapshot(snaps, props, outnvl); |
6f1ffb06 MA |
3301 | return (error); |
3302 | } | |
3303 | ||
3304 | /* | |
3305 | * innvl: "message" -> string | |
3306 | */ | |
3307 | /* ARGSUSED */ | |
3308 | static int | |
3309 | zfs_ioc_log_history(const char *unused, nvlist_t *innvl, nvlist_t *outnvl) | |
3310 | { | |
3311 | char *message; | |
3312 | spa_t *spa; | |
3313 | int error; | |
3314 | char *poolname; | |
3315 | ||
3316 | /* | |
3317 | * The poolname in the ioctl is not set, we get it from the TSD, | |
3318 | * which was set at the end of the last successful ioctl that allows | |
3319 | * logging. The secpolicy func already checked that it is set. | |
3320 | * Only one log ioctl is allowed after each successful ioctl, so | |
3321 | * we clear the TSD here. | |
3322 | */ | |
3323 | poolname = tsd_get(zfs_allow_log_key); | |
3324 | (void) tsd_set(zfs_allow_log_key, NULL); | |
3325 | error = spa_open(poolname, &spa, FTAG); | |
3326 | strfree(poolname); | |
3327 | if (error != 0) | |
3328 | return (error); | |
3329 | ||
3330 | if (nvlist_lookup_string(innvl, "message", &message) != 0) { | |
3331 | spa_close(spa, FTAG); | |
2e528b49 | 3332 | return (SET_ERROR(EINVAL)); |
6f1ffb06 MA |
3333 | } |
3334 | ||
3335 | if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { | |
3336 | spa_close(spa, FTAG); | |
2e528b49 | 3337 | return (SET_ERROR(ENOTSUP)); |
6f1ffb06 MA |
3338 | } |
3339 | ||
3340 | error = spa_history_log(spa, message); | |
3341 | spa_close(spa, FTAG); | |
b128c09f | 3342 | return (error); |
34dc7c2f BB |
3343 | } |
3344 | ||
ebe7e575 | 3345 | /* |
13fe0198 MA |
3346 | * The dp_config_rwlock must not be held when calling this, because the |
3347 | * unmount may need to write out data. | |
3348 | * | |
3349 | * This function is best-effort. Callers must deal gracefully if it | |
3350 | * remains mounted (or is remounted after this call). | |
d09f25dc WA |
3351 | * |
3352 | * XXX: This function should detect a failure to unmount a snapdir of a dataset | |
3353 | * and return the appropriate error code when it is mounted. Its Illumos and | |
3354 | * FreeBSD counterparts do this. We do not do this on Linux because there is no | |
3355 | * clear way to access the mount information that FreeBSD and Illumos use to | |
3356 | * distinguish between things with mounted snapshot directories, and things | |
3357 | * without mounted snapshot directories, which include zvols. Returning a | |
3358 | * failure for the latter causes `zfs destroy` to fail on zvol snapshots. | |
ebe7e575 | 3359 | */ |
d09f25dc | 3360 | int |
13fe0198 | 3361 | zfs_unmount_snap(const char *snapname) |
34dc7c2f | 3362 | { |
ebe7e575 BB |
3363 | zfs_sb_t *zsb = NULL; |
3364 | char *dsname; | |
ebe7e575 BB |
3365 | char *fullname; |
3366 | char *ptr; | |
34dc7c2f | 3367 | |
13fe0198 | 3368 | if ((ptr = strchr(snapname, '@')) == NULL) |
d09f25dc | 3369 | return (0); |
34dc7c2f | 3370 | |
20f04f08 RY |
3371 | dsname = kmem_alloc(ptr - snapname + 1, KM_SLEEP); |
3372 | strlcpy(dsname, snapname, ptr - snapname + 1); | |
3373 | fullname = strdup(snapname); | |
3374 | ||
13fe0198 MA |
3375 | if (zfs_sb_hold(dsname, FTAG, &zsb, B_FALSE) == 0) { |
3376 | ASSERT(!dsl_pool_config_held(dmu_objset_pool(zsb->z_os))); | |
3377 | (void) zfsctl_unmount_snapshot(zsb, fullname, MNT_FORCE); | |
ebe7e575 | 3378 | zfs_sb_rele(zsb, FTAG); |
34dc7c2f | 3379 | } |
ebe7e575 | 3380 | |
20f04f08 | 3381 | kmem_free(dsname, ptr - snapname + 1); |
ebe7e575 BB |
3382 | strfree(fullname); |
3383 | ||
d09f25dc | 3384 | return (0); |
13fe0198 MA |
3385 | } |
3386 | ||
3387 | /* ARGSUSED */ | |
3388 | static int | |
3389 | zfs_unmount_snap_cb(const char *snapname, void *arg) | |
3390 | { | |
d09f25dc | 3391 | return (zfs_unmount_snap(snapname)); |
13fe0198 MA |
3392 | } |
3393 | ||
3394 | /* | |
3395 | * When a clone is destroyed, its origin may also need to be destroyed, | |
3396 | * in which case it must be unmounted. This routine will do that unmount | |
3397 | * if necessary. | |
3398 | */ | |
3399 | void | |
3400 | zfs_destroy_unmount_origin(const char *fsname) | |
3401 | { | |
3402 | int error; | |
3403 | objset_t *os; | |
3404 | dsl_dataset_t *ds; | |
3405 | ||
3406 | error = dmu_objset_hold(fsname, FTAG, &os); | |
3407 | if (error != 0) | |
3408 | return; | |
3409 | ds = dmu_objset_ds(os); | |
3410 | if (dsl_dir_is_clone(ds->ds_dir) && DS_IS_DEFER_DESTROY(ds->ds_prev)) { | |
3411 | char originname[MAXNAMELEN]; | |
3412 | dsl_dataset_name(ds->ds_prev, originname); | |
3413 | dmu_objset_rele(os, FTAG); | |
d09f25dc | 3414 | (void) zfs_unmount_snap(originname); |
13fe0198 MA |
3415 | } else { |
3416 | dmu_objset_rele(os, FTAG); | |
3417 | } | |
34dc7c2f BB |
3418 | } |
3419 | ||
3420 | /* | |
6f1ffb06 MA |
3421 | * innvl: { |
3422 | * "snaps" -> { snapshot1, snapshot2 } | |
3423 | * (optional boolean) "defer" | |
3424 | * } | |
34dc7c2f | 3425 | * |
6f1ffb06 | 3426 | * outnvl: snapshot -> error code (int32) |
34dc7c2f BB |
3427 | */ |
3428 | static int | |
6f1ffb06 | 3429 | zfs_ioc_destroy_snaps(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl) |
34dc7c2f | 3430 | { |
d09f25dc | 3431 | int error, poollen; |
6f1ffb06 | 3432 | nvlist_t *snaps; |
330d06f9 | 3433 | nvpair_t *pair; |
6f1ffb06 | 3434 | boolean_t defer; |
34dc7c2f | 3435 | |
6f1ffb06 | 3436 | if (nvlist_lookup_nvlist(innvl, "snaps", &snaps) != 0) |
2e528b49 | 3437 | return (SET_ERROR(EINVAL)); |
6f1ffb06 | 3438 | defer = nvlist_exists(innvl, "defer"); |
330d06f9 | 3439 | |
6f1ffb06 MA |
3440 | poollen = strlen(poolname); |
3441 | for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; | |
3442 | pair = nvlist_next_nvpair(snaps, pair)) { | |
330d06f9 | 3443 | const char *name = nvpair_name(pair); |
6f1ffb06 | 3444 | |
330d06f9 | 3445 | /* |
6f1ffb06 | 3446 | * The snap must be in the specified pool. |
330d06f9 | 3447 | */ |
6f1ffb06 MA |
3448 | if (strncmp(name, poolname, poollen) != 0 || |
3449 | (name[poollen] != '/' && name[poollen] != '@')) | |
2e528b49 | 3450 | return (SET_ERROR(EXDEV)); |
330d06f9 | 3451 | |
4ca9a436 | 3452 | (void) zvol_remove_minor(name); |
d09f25dc WA |
3453 | error = zfs_unmount_snap(name); |
3454 | if (error != 0) | |
3455 | return (error); | |
330d06f9 MA |
3456 | } |
3457 | ||
13fe0198 | 3458 | return (dsl_destroy_snapshots_nvl(snaps, defer, outnvl)); |
34dc7c2f BB |
3459 | } |
3460 | ||
3461 | /* | |
3462 | * inputs: | |
3463 | * zc_name name of dataset to destroy | |
3464 | * zc_objset_type type of objset | |
45d1cae3 | 3465 | * zc_defer_destroy mark for deferred destroy |
34dc7c2f BB |
3466 | * |
3467 | * outputs: none | |
3468 | */ | |
3469 | static int | |
3470 | zfs_ioc_destroy(zfs_cmd_t *zc) | |
3471 | { | |
428870ff | 3472 | int err; |
d09f25dc WA |
3473 | |
3474 | if (zc->zc_objset_type == DMU_OST_ZFS) { | |
3475 | err = zfs_unmount_snap(zc->zc_name); | |
3476 | if (err != 0) | |
3477 | return (err); | |
3478 | } | |
34dc7c2f | 3479 | |
13fe0198 MA |
3480 | if (strchr(zc->zc_name, '@')) |
3481 | err = dsl_destroy_snapshot(zc->zc_name, zc->zc_defer_destroy); | |
3482 | else | |
3483 | err = dsl_destroy_head(zc->zc_name); | |
428870ff BB |
3484 | if (zc->zc_objset_type == DMU_OST_ZVOL && err == 0) |
3485 | (void) zvol_remove_minor(zc->zc_name); | |
3486 | return (err); | |
34dc7c2f BB |
3487 | } |
3488 | ||
3489 | /* | |
3490 | * inputs: | |
3491 | * zc_name name of dataset to rollback (to most recent snapshot) | |
3492 | * | |
3493 | * outputs: none | |
3494 | */ | |
3495 | static int | |
3496 | zfs_ioc_rollback(zfs_cmd_t *zc) | |
3497 | { | |
3558fd73 | 3498 | zfs_sb_t *zsb; |
13fe0198 | 3499 | int error; |
34dc7c2f | 3500 | |
3558fd73 BB |
3501 | if (get_zfs_sb(zc->zc_name, &zsb) == 0) { |
3502 | error = zfs_suspend_fs(zsb); | |
34dc7c2f BB |
3503 | if (error == 0) { |
3504 | int resume_err; | |
3505 | ||
13fe0198 | 3506 | error = dsl_dataset_rollback(zc->zc_name); |
3558fd73 | 3507 | resume_err = zfs_resume_fs(zsb, zc->zc_name); |
34dc7c2f | 3508 | error = error ? error : resume_err; |
34dc7c2f | 3509 | } |
2cf7f52b | 3510 | deactivate_super(zsb->z_sb); |
34dc7c2f | 3511 | } else { |
13fe0198 | 3512 | error = dsl_dataset_rollback(zc->zc_name); |
34dc7c2f | 3513 | } |
13fe0198 MA |
3514 | return (error); |
3515 | } | |
34dc7c2f | 3516 | |
13fe0198 MA |
3517 | static int |
3518 | recursive_unmount(const char *fsname, void *arg) | |
3519 | { | |
3520 | const char *snapname = arg; | |
3521 | char *fullname; | |
428870ff | 3522 | |
13fe0198 MA |
3523 | fullname = kmem_asprintf("%s@%s", fsname, snapname); |
3524 | zfs_unmount_snap(fullname); | |
3525 | strfree(fullname); | |
d09f25dc | 3526 | return (zfs_unmount_snap(fullname)); |
34dc7c2f BB |
3527 | } |
3528 | ||
3529 | /* | |
3530 | * inputs: | |
3531 | * zc_name old name of dataset | |
3532 | * zc_value new name of dataset | |
3533 | * zc_cookie recursive flag (only valid for snapshots) | |
3534 | * | |
3535 | * outputs: none | |
3536 | */ | |
3537 | static int | |
3538 | zfs_ioc_rename(zfs_cmd_t *zc) | |
3539 | { | |
3540 | boolean_t recursive = zc->zc_cookie & 1; | |
13fe0198 | 3541 | char *at; |
95c73795 | 3542 | int err; |
34dc7c2f BB |
3543 | |
3544 | zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; | |
3545 | if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || | |
3546 | strchr(zc->zc_value, '%')) | |
2e528b49 | 3547 | return (SET_ERROR(EINVAL)); |
34dc7c2f | 3548 | |
13fe0198 MA |
3549 | at = strchr(zc->zc_name, '@'); |
3550 | if (at != NULL) { | |
3551 | /* snaps must be in same fs */ | |
3552 | if (strncmp(zc->zc_name, zc->zc_value, at - zc->zc_name + 1)) | |
2e528b49 | 3553 | return (SET_ERROR(EXDEV)); |
13fe0198 MA |
3554 | *at = '\0'; |
3555 | if (zc->zc_objset_type == DMU_OST_ZFS) { | |
3556 | int error = dmu_objset_find(zc->zc_name, | |
3557 | recursive_unmount, at + 1, | |
3558 | recursive ? DS_FIND_CHILDREN : 0); | |
3559 | if (error != 0) | |
3560 | return (error); | |
3561 | } | |
3562 | return (dsl_dataset_rename_snapshot(zc->zc_name, | |
3563 | at + 1, strchr(zc->zc_value, '@') + 1, recursive)); | |
3564 | } else { | |
3565 | err = dsl_dir_rename(zc->zc_name, zc->zc_value); | |
3566 | if (!err && zc->zc_objset_type == DMU_OST_ZVOL) { | |
3567 | (void) zvol_remove_minor(zc->zc_name); | |
3568 | (void) zvol_create_minor(zc->zc_value); | |
3569 | } | |
3570 | return (err); | |
95c73795 | 3571 | } |
34dc7c2f BB |
3572 | } |
3573 | ||
428870ff BB |
3574 | static int |
3575 | zfs_check_settable(const char *dsname, nvpair_t *pair, cred_t *cr) | |
3576 | { | |
3577 | const char *propname = nvpair_name(pair); | |
3578 | boolean_t issnap = (strchr(dsname, '@') != NULL); | |
3579 | zfs_prop_t prop = zfs_name_to_prop(propname); | |
3580 | uint64_t intval; | |
3581 | int err; | |
3582 | ||
3583 | if (prop == ZPROP_INVAL) { | |
3584 | if (zfs_prop_user(propname)) { | |
c65aa5b2 BB |
3585 | if ((err = zfs_secpolicy_write_perms(dsname, |
3586 | ZFS_DELEG_PERM_USERPROP, cr))) | |
428870ff BB |
3587 | return (err); |
3588 | return (0); | |
3589 | } | |
3590 | ||
3591 | if (!issnap && zfs_prop_userquota(propname)) { | |
3592 | const char *perm = NULL; | |
3593 | const char *uq_prefix = | |
3594 | zfs_userquota_prop_prefixes[ZFS_PROP_USERQUOTA]; | |
3595 | const char *gq_prefix = | |
3596 | zfs_userquota_prop_prefixes[ZFS_PROP_GROUPQUOTA]; | |
3597 | ||
3598 | if (strncmp(propname, uq_prefix, | |
3599 | strlen(uq_prefix)) == 0) { | |
3600 | perm = ZFS_DELEG_PERM_USERQUOTA; | |
3601 | } else if (strncmp(propname, gq_prefix, | |
3602 | strlen(gq_prefix)) == 0) { | |
3603 | perm = ZFS_DELEG_PERM_GROUPQUOTA; | |
3604 | } else { | |
3605 | /* USERUSED and GROUPUSED are read-only */ | |
2e528b49 | 3606 | return (SET_ERROR(EINVAL)); |
428870ff BB |
3607 | } |
3608 | ||
c65aa5b2 | 3609 | if ((err = zfs_secpolicy_write_perms(dsname, perm, cr))) |
428870ff BB |
3610 | return (err); |
3611 | return (0); | |
3612 | } | |
3613 | ||
2e528b49 | 3614 | return (SET_ERROR(EINVAL)); |
428870ff BB |
3615 | } |
3616 | ||
3617 | if (issnap) | |
2e528b49 | 3618 | return (SET_ERROR(EINVAL)); |
428870ff BB |
3619 | |
3620 | if (nvpair_type(pair) == DATA_TYPE_NVLIST) { | |
3621 | /* | |
3622 | * dsl_prop_get_all_impl() returns properties in this | |
3623 | * format. | |
3624 | */ | |
3625 | nvlist_t *attrs; | |
3626 | VERIFY(nvpair_value_nvlist(pair, &attrs) == 0); | |
3627 | VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, | |
3628 | &pair) == 0); | |
3629 | } | |
3630 | ||
3631 | /* | |
3632 | * Check that this value is valid for this pool version | |
3633 | */ | |
3634 | switch (prop) { | |
3635 | case ZFS_PROP_COMPRESSION: | |
3636 | /* | |
3637 | * If the user specified gzip compression, make sure | |
3638 | * the SPA supports it. We ignore any errors here since | |
3639 | * we'll catch them later. | |
3640 | */ | |
3641 | if (nvpair_type(pair) == DATA_TYPE_UINT64 && | |
3642 | nvpair_value_uint64(pair, &intval) == 0) { | |
3643 | if (intval >= ZIO_COMPRESS_GZIP_1 && | |
3644 | intval <= ZIO_COMPRESS_GZIP_9 && | |
3645 | zfs_earlier_version(dsname, | |
3646 | SPA_VERSION_GZIP_COMPRESSION)) { | |
2e528b49 | 3647 | return (SET_ERROR(ENOTSUP)); |
428870ff BB |
3648 | } |
3649 | ||
3650 | if (intval == ZIO_COMPRESS_ZLE && | |
3651 | zfs_earlier_version(dsname, | |
3652 | SPA_VERSION_ZLE_COMPRESSION)) | |
2e528b49 | 3653 | return (SET_ERROR(ENOTSUP)); |
428870ff | 3654 | |
9759c60f ED |
3655 | if (intval == ZIO_COMPRESS_LZ4) { |
3656 | zfeature_info_t *feature = | |
3657 | &spa_feature_table[ | |
3658 | SPA_FEATURE_LZ4_COMPRESS]; | |
3659 | spa_t *spa; | |
3660 | ||
3661 | if ((err = spa_open(dsname, &spa, FTAG)) != 0) | |
3662 | return (err); | |
3663 | ||
3664 | if (!spa_feature_is_enabled(spa, feature)) { | |
3665 | spa_close(spa, FTAG); | |
2e528b49 | 3666 | return (SET_ERROR(ENOTSUP)); |
9759c60f ED |
3667 | } |
3668 | spa_close(spa, FTAG); | |
3669 | } | |
3670 | ||
428870ff BB |
3671 | /* |
3672 | * If this is a bootable dataset then | |
3673 | * verify that the compression algorithm | |
3674 | * is supported for booting. We must return | |
3675 | * something other than ENOTSUP since it | |
3676 | * implies a downrev pool version. | |
3677 | */ | |
3678 | if (zfs_is_bootfs(dsname) && | |
3679 | !BOOTFS_COMPRESS_VALID(intval)) { | |
2e528b49 | 3680 | return (SET_ERROR(ERANGE)); |
428870ff BB |
3681 | } |
3682 | } | |
3683 | break; | |
3684 | ||
3685 | case ZFS_PROP_COPIES: | |
3686 | if (zfs_earlier_version(dsname, SPA_VERSION_DITTO_BLOCKS)) | |
2e528b49 | 3687 | return (SET_ERROR(ENOTSUP)); |
428870ff BB |
3688 | break; |
3689 | ||
3690 | case ZFS_PROP_DEDUP: | |
3691 | if (zfs_earlier_version(dsname, SPA_VERSION_DEDUP)) | |
2e528b49 | 3692 | return (SET_ERROR(ENOTSUP)); |
428870ff BB |
3693 | break; |
3694 | ||
3695 | case ZFS_PROP_SHARESMB: | |
3696 | if (zpl_earlier_version(dsname, ZPL_VERSION_FUID)) | |
2e528b49 | 3697 | return (SET_ERROR(ENOTSUP)); |
428870ff BB |
3698 | break; |
3699 | ||
3700 | case ZFS_PROP_ACLINHERIT: | |
3701 | if (nvpair_type(pair) == DATA_TYPE_UINT64 && | |
3702 | nvpair_value_uint64(pair, &intval) == 0) { | |
3703 | if (intval == ZFS_ACL_PASSTHROUGH_X && | |
3704 | zfs_earlier_version(dsname, | |
3705 | SPA_VERSION_PASSTHROUGH_X)) | |
2e528b49 | 3706 | return (SET_ERROR(ENOTSUP)); |
428870ff BB |
3707 | } |
3708 | break; | |
e75c13c3 BB |
3709 | default: |
3710 | break; | |
428870ff BB |
3711 | } |
3712 | ||
3713 | return (zfs_secpolicy_setprop(dsname, prop, pair, CRED())); | |
3714 | } | |
3715 | ||
9759c60f ED |
3716 | /* |
3717 | * Checks for a race condition to make sure we don't increment a feature flag | |
3718 | * multiple times. | |
3719 | */ | |
9759c60f | 3720 | static int |
13fe0198 | 3721 | zfs_prop_activate_feature_check(void *arg, dmu_tx_t *tx) |
9759c60f | 3722 | { |
13fe0198 MA |
3723 | spa_t *spa = dmu_tx_pool(tx)->dp_spa; |
3724 | zfeature_info_t *feature = arg; | |
9759c60f ED |
3725 | |
3726 | if (!spa_feature_is_active(spa, feature)) | |
3727 | return (0); | |
3728 | else | |
2e528b49 | 3729 | return (SET_ERROR(EBUSY)); |
9759c60f ED |
3730 | } |
3731 | ||
3732 | /* | |
3733 | * The callback invoked on feature activation in the sync task caused by | |
3734 | * zfs_prop_activate_feature. | |
3735 | */ | |
3736 | static void | |
13fe0198 | 3737 | zfs_prop_activate_feature_sync(void *arg, dmu_tx_t *tx) |
9759c60f | 3738 | { |
13fe0198 MA |
3739 | spa_t *spa = dmu_tx_pool(tx)->dp_spa; |
3740 | zfeature_info_t *feature = arg; | |
9759c60f ED |
3741 | |
3742 | spa_feature_incr(spa, feature, tx); | |
3743 | } | |
3744 | ||
13fe0198 MA |
3745 | /* |
3746 | * Activates a feature on a pool in response to a property setting. This | |
3747 | * creates a new sync task which modifies the pool to reflect the feature | |
3748 | * as being active. | |
3749 | */ | |
3750 | static int | |
3751 | zfs_prop_activate_feature(spa_t *spa, zfeature_info_t *feature) | |
3752 | { | |
3753 | int err; | |
3754 | ||
3755 | /* EBUSY here indicates that the feature is already active */ | |
3756 | err = dsl_sync_task(spa_name(spa), | |
3757 | zfs_prop_activate_feature_check, zfs_prop_activate_feature_sync, | |
3758 | feature, 2); | |
3759 | ||
3760 | if (err != 0 && err != EBUSY) | |
3761 | return (err); | |
3762 | else | |
3763 | return (0); | |
3764 | } | |
3765 | ||
428870ff BB |
3766 | /* |
3767 | * Removes properties from the given props list that fail permission checks | |
3768 | * needed to clear them and to restore them in case of a receive error. For each | |
3769 | * property, make sure we have both set and inherit permissions. | |
3770 | * | |
3771 | * Returns the first error encountered if any permission checks fail. If the | |
3772 | * caller provides a non-NULL errlist, it also gives the complete list of names | |
3773 | * of all the properties that failed a permission check along with the | |
3774 | * corresponding error numbers. The caller is responsible for freeing the | |
3775 | * returned errlist. | |
3776 | * | |
3777 | * If every property checks out successfully, zero is returned and the list | |
3778 | * pointed at by errlist is NULL. | |
3779 | */ | |
3780 | static int | |
3781 | zfs_check_clearable(char *dataset, nvlist_t *props, nvlist_t **errlist) | |
b128c09f BB |
3782 | { |
3783 | zfs_cmd_t *zc; | |
428870ff BB |
3784 | nvpair_t *pair, *next_pair; |
3785 | nvlist_t *errors; | |
3786 | int err, rv = 0; | |
b128c09f BB |
3787 | |
3788 | if (props == NULL) | |
428870ff BB |
3789 | return (0); |
3790 | ||
3791 | VERIFY(nvlist_alloc(&errors, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
3792 | ||
d247f2a3 | 3793 | zc = kmem_alloc(sizeof (zfs_cmd_t), KM_SLEEP | KM_NODEBUG); |
b128c09f | 3794 | (void) strcpy(zc->zc_name, dataset); |
428870ff BB |
3795 | pair = nvlist_next_nvpair(props, NULL); |
3796 | while (pair != NULL) { | |
3797 | next_pair = nvlist_next_nvpair(props, pair); | |
3798 | ||
3799 | (void) strcpy(zc->zc_value, nvpair_name(pair)); | |
3800 | if ((err = zfs_check_settable(dataset, pair, CRED())) != 0 || | |
6f1ffb06 | 3801 | (err = zfs_secpolicy_inherit_prop(zc, NULL, CRED())) != 0) { |
428870ff BB |
3802 | VERIFY(nvlist_remove_nvpair(props, pair) == 0); |
3803 | VERIFY(nvlist_add_int32(errors, | |
3804 | zc->zc_value, err) == 0); | |
3805 | } | |
3806 | pair = next_pair; | |
b128c09f BB |
3807 | } |
3808 | kmem_free(zc, sizeof (zfs_cmd_t)); | |
428870ff BB |
3809 | |
3810 | if ((pair = nvlist_next_nvpair(errors, NULL)) == NULL) { | |
3811 | nvlist_free(errors); | |
3812 | errors = NULL; | |
3813 | } else { | |
3814 | VERIFY(nvpair_value_int32(pair, &rv) == 0); | |
3815 | } | |
3816 | ||
3817 | if (errlist == NULL) | |
3818 | nvlist_free(errors); | |
3819 | else | |
3820 | *errlist = errors; | |
3821 | ||
3822 | return (rv); | |
3823 | } | |
3824 | ||
3825 | static boolean_t | |
3826 | propval_equals(nvpair_t *p1, nvpair_t *p2) | |
3827 | { | |
3828 | if (nvpair_type(p1) == DATA_TYPE_NVLIST) { | |
3829 | /* dsl_prop_get_all_impl() format */ | |
3830 | nvlist_t *attrs; | |
3831 | VERIFY(nvpair_value_nvlist(p1, &attrs) == 0); | |
3832 | VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, | |
3833 | &p1) == 0); | |
3834 | } | |
3835 | ||
3836 | if (nvpair_type(p2) == DATA_TYPE_NVLIST) { | |
3837 | nvlist_t *attrs; | |
3838 | VERIFY(nvpair_value_nvlist(p2, &attrs) == 0); | |
3839 | VERIFY(nvlist_lookup_nvpair(attrs, ZPROP_VALUE, | |
3840 | &p2) == 0); | |
3841 | } | |
3842 | ||
3843 | if (nvpair_type(p1) != nvpair_type(p2)) | |
3844 | return (B_FALSE); | |
3845 | ||
3846 | if (nvpair_type(p1) == DATA_TYPE_STRING) { | |
3847 | char *valstr1, *valstr2; | |
3848 | ||
3849 | VERIFY(nvpair_value_string(p1, (char **)&valstr1) == 0); | |
3850 | VERIFY(nvpair_value_string(p2, (char **)&valstr2) == 0); | |
3851 | return (strcmp(valstr1, valstr2) == 0); | |
3852 | } else { | |
3853 | uint64_t intval1, intval2; | |
3854 | ||
3855 | VERIFY(nvpair_value_uint64(p1, &intval1) == 0); | |
3856 | VERIFY(nvpair_value_uint64(p2, &intval2) == 0); | |
3857 | return (intval1 == intval2); | |
3858 | } | |
b128c09f BB |
3859 | } |
3860 | ||
428870ff BB |
3861 | /* |
3862 | * Remove properties from props if they are not going to change (as determined | |
3863 | * by comparison with origprops). Remove them from origprops as well, since we | |
3864 | * do not need to clear or restore properties that won't change. | |
3865 | */ | |
3866 | static void | |
3867 | props_reduce(nvlist_t *props, nvlist_t *origprops) | |
3868 | { | |
3869 | nvpair_t *pair, *next_pair; | |
3870 | ||
3871 | if (origprops == NULL) | |
3872 | return; /* all props need to be received */ | |
3873 | ||
3874 | pair = nvlist_next_nvpair(props, NULL); | |
3875 | while (pair != NULL) { | |
3876 | const char *propname = nvpair_name(pair); | |
3877 | nvpair_t *match; | |
3878 | ||
3879 | next_pair = nvlist_next_nvpair(props, pair); | |
3880 | ||
3881 | if ((nvlist_lookup_nvpair(origprops, propname, | |
3882 | &match) != 0) || !propval_equals(pair, match)) | |
3883 | goto next; /* need to set received value */ | |
3884 | ||
3885 | /* don't clear the existing received value */ | |
3886 | (void) nvlist_remove_nvpair(origprops, match); | |
3887 | /* don't bother receiving the property */ | |
3888 | (void) nvlist_remove_nvpair(props, pair); | |
3889 | next: | |
3890 | pair = next_pair; | |
3891 | } | |
3892 | } | |
3893 | ||
3894 | #ifdef DEBUG | |
3895 | static boolean_t zfs_ioc_recv_inject_err; | |
3896 | #endif | |
3897 | ||
34dc7c2f BB |
3898 | /* |
3899 | * inputs: | |
3900 | * zc_name name of containing filesystem | |
3901 | * zc_nvlist_src{_size} nvlist of properties to apply | |
3902 | * zc_value name of snapshot to create | |
3903 | * zc_string name of clone origin (if DRR_FLAG_CLONE) | |
3904 | * zc_cookie file descriptor to recv from | |
3905 | * zc_begin_record the BEGIN record of the stream (not byteswapped) | |
3906 | * zc_guid force flag | |
572e2857 BB |
3907 | * zc_cleanup_fd cleanup-on-exit file descriptor |
3908 | * zc_action_handle handle for this guid/ds mapping (or zero on first call) | |
34dc7c2f BB |
3909 | * |
3910 | * outputs: | |
3911 | * zc_cookie number of bytes read | |
428870ff BB |
3912 | * zc_nvlist_dst{_size} error for each unapplied received property |
3913 | * zc_obj zprop_errflags_t | |
572e2857 | 3914 | * zc_action_handle handle for this guid/ds mapping |
34dc7c2f BB |
3915 | */ |
3916 | static int | |
3917 | zfs_ioc_recv(zfs_cmd_t *zc) | |
3918 | { | |
3919 | file_t *fp; | |
34dc7c2f | 3920 | dmu_recv_cookie_t drc; |
34dc7c2f | 3921 | boolean_t force = (boolean_t)zc->zc_guid; |
428870ff BB |
3922 | int fd; |
3923 | int error = 0; | |
3924 | int props_error = 0; | |
3925 | nvlist_t *errors; | |
34dc7c2f | 3926 | offset_t off; |
428870ff BB |
3927 | nvlist_t *props = NULL; /* sent properties */ |
3928 | nvlist_t *origprops = NULL; /* existing properties */ | |
13fe0198 | 3929 | char *origin = NULL; |
34dc7c2f BB |
3930 | char *tosnap; |
3931 | char tofs[ZFS_MAXNAMELEN]; | |
428870ff | 3932 | boolean_t first_recvd_props = B_FALSE; |
34dc7c2f BB |
3933 | |
3934 | if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || | |
3935 | strchr(zc->zc_value, '@') == NULL || | |
3936 | strchr(zc->zc_value, '%')) | |
2e528b49 | 3937 | return (SET_ERROR(EINVAL)); |
34dc7c2f BB |
3938 | |
3939 | (void) strcpy(tofs, zc->zc_value); | |
3940 | tosnap = strchr(tofs, '@'); | |
428870ff | 3941 | *tosnap++ = '\0'; |
34dc7c2f | 3942 | |
b8864a23 | 3943 | if (zc->zc_nvlist_src != 0 && |
34dc7c2f | 3944 | (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
9babb374 | 3945 | zc->zc_iflags, &props)) != 0) |
34dc7c2f BB |
3946 | return (error); |
3947 | ||
3948 | fd = zc->zc_cookie; | |
3949 | fp = getf(fd); | |
3950 | if (fp == NULL) { | |
3951 | nvlist_free(props); | |
2e528b49 | 3952 | return (SET_ERROR(EBADF)); |
34dc7c2f BB |
3953 | } |
3954 | ||
428870ff BB |
3955 | VERIFY(nvlist_alloc(&errors, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
3956 | ||
13fe0198 MA |
3957 | if (zc->zc_string[0]) |
3958 | origin = zc->zc_string; | |
3959 | ||
3960 | error = dmu_recv_begin(tofs, tosnap, | |
3961 | &zc->zc_begin_record, force, origin, &drc); | |
3962 | if (error != 0) | |
3963 | goto out; | |
3964 | ||
3965 | /* | |
3966 | * Set properties before we receive the stream so that they are applied | |
3967 | * to the new data. Note that we must call dmu_recv_stream() if | |
3968 | * dmu_recv_begin() succeeds. | |
3969 | */ | |
3970 | if (props != NULL && !drc.drc_newfs) { | |
3971 | if (spa_version(dsl_dataset_get_spa(drc.drc_ds)) >= | |
3972 | SPA_VERSION_RECVD_PROPS && | |
3973 | !dsl_prop_get_hasrecvd(tofs)) | |
428870ff | 3974 | first_recvd_props = B_TRUE; |
428870ff | 3975 | |
b128c09f | 3976 | /* |
428870ff BB |
3977 | * If new received properties are supplied, they are to |
3978 | * completely replace the existing received properties, so stash | |
3979 | * away the existing ones. | |
b128c09f | 3980 | */ |
13fe0198 | 3981 | if (dsl_prop_get_received(tofs, &origprops) == 0) { |
428870ff BB |
3982 | nvlist_t *errlist = NULL; |
3983 | /* | |
3984 | * Don't bother writing a property if its value won't | |
3985 | * change (and avoid the unnecessary security checks). | |
3986 | * | |
3987 | * The first receive after SPA_VERSION_RECVD_PROPS is a | |
3988 | * special case where we blow away all local properties | |
3989 | * regardless. | |
3990 | */ | |
3991 | if (!first_recvd_props) | |
3992 | props_reduce(props, origprops); | |
13fe0198 | 3993 | if (zfs_check_clearable(tofs, origprops, &errlist) != 0) |
428870ff BB |
3994 | (void) nvlist_merge(errors, errlist, 0); |
3995 | nvlist_free(errlist); | |
b128c09f | 3996 | |
13fe0198 MA |
3997 | if (clear_received_props(tofs, origprops, |
3998 | first_recvd_props ? NULL : props) != 0) | |
428870ff | 3999 | zc->zc_obj |= ZPROP_ERR_NOCLEAR; |
13fe0198 | 4000 | } else { |
428870ff BB |
4001 | zc->zc_obj |= ZPROP_ERR_NOCLEAR; |
4002 | } | |
13fe0198 MA |
4003 | } |
4004 | ||
4005 | if (props != NULL) { | |
4006 | props_error = dsl_prop_set_hasrecvd(tofs); | |
428870ff | 4007 | |
13fe0198 MA |
4008 | if (props_error == 0) { |
4009 | (void) zfs_set_prop_nvlist(tofs, ZPROP_SRC_RECEIVED, | |
4010 | props, errors); | |
4011 | } | |
428870ff BB |
4012 | } |
4013 | ||
6f1ffb06 MA |
4014 | if (zc->zc_nvlist_dst_size != 0 && |
4015 | (nvlist_smush(errors, zc->zc_nvlist_dst_size) != 0 || | |
4016 | put_nvlist(zc, errors) != 0)) { | |
b128c09f | 4017 | /* |
428870ff BB |
4018 | * Caller made zc->zc_nvlist_dst less than the minimum expected |
4019 | * size or supplied an invalid address. | |
b128c09f | 4020 | */ |
2e528b49 | 4021 | props_error = SET_ERROR(EINVAL); |
34dc7c2f BB |
4022 | } |
4023 | ||
34dc7c2f | 4024 | off = fp->f_offset; |
572e2857 BB |
4025 | error = dmu_recv_stream(&drc, fp->f_vnode, &off, zc->zc_cleanup_fd, |
4026 | &zc->zc_action_handle); | |
34dc7c2f | 4027 | |
45d1cae3 | 4028 | if (error == 0) { |
3558fd73 | 4029 | zfs_sb_t *zsb = NULL; |
b128c09f | 4030 | |
3558fd73 | 4031 | if (get_zfs_sb(tofs, &zsb) == 0) { |
45d1cae3 BB |
4032 | /* online recv */ |
4033 | int end_err; | |
b128c09f | 4034 | |
3558fd73 | 4035 | error = zfs_suspend_fs(zsb); |
45d1cae3 BB |
4036 | /* |
4037 | * If the suspend fails, then the recv_end will | |
4038 | * likely also fail, and clean up after itself. | |
4039 | */ | |
4040 | end_err = dmu_recv_end(&drc); | |
428870ff | 4041 | if (error == 0) |
3558fd73 | 4042 | error = zfs_resume_fs(zsb, tofs); |
45d1cae3 | 4043 | error = error ? error : end_err; |
2cf7f52b | 4044 | deactivate_super(zsb->z_sb); |
b128c09f | 4045 | } else { |
45d1cae3 | 4046 | error = dmu_recv_end(&drc); |
34dc7c2f | 4047 | } |
34dc7c2f BB |
4048 | } |
4049 | ||
4050 | zc->zc_cookie = off - fp->f_offset; | |
4051 | if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) | |
4052 | fp->f_offset = off; | |
4053 | ||
428870ff BB |
4054 | #ifdef DEBUG |
4055 | if (zfs_ioc_recv_inject_err) { | |
4056 | zfs_ioc_recv_inject_err = B_FALSE; | |
4057 | error = 1; | |
4058 | } | |
4059 | #endif | |
b128c09f BB |
4060 | /* |
4061 | * On error, restore the original props. | |
4062 | */ | |
13fe0198 MA |
4063 | if (error != 0 && props != NULL && !drc.drc_newfs) { |
4064 | if (clear_received_props(tofs, props, NULL) != 0) { | |
4065 | /* | |
4066 | * We failed to clear the received properties. | |
4067 | * Since we may have left a $recvd value on the | |
4068 | * system, we can't clear the $hasrecvd flag. | |
4069 | */ | |
428870ff | 4070 | zc->zc_obj |= ZPROP_ERR_NORESTORE; |
13fe0198 MA |
4071 | } else if (first_recvd_props) { |
4072 | dsl_prop_unset_hasrecvd(tofs); | |
428870ff BB |
4073 | } |
4074 | ||
4075 | if (origprops == NULL && !drc.drc_newfs) { | |
4076 | /* We failed to stash the original properties. */ | |
4077 | zc->zc_obj |= ZPROP_ERR_NORESTORE; | |
4078 | } | |
4079 | ||
4080 | /* | |
4081 | * dsl_props_set() will not convert RECEIVED to LOCAL on or | |
4082 | * after SPA_VERSION_RECVD_PROPS, so we need to specify LOCAL | |
4083 | * explictly if we're restoring local properties cleared in the | |
4084 | * first new-style receive. | |
4085 | */ | |
4086 | if (origprops != NULL && | |
4087 | zfs_set_prop_nvlist(tofs, (first_recvd_props ? | |
4088 | ZPROP_SRC_LOCAL : ZPROP_SRC_RECEIVED), | |
4089 | origprops, NULL) != 0) { | |
4090 | /* | |
4091 | * We stashed the original properties but failed to | |
4092 | * restore them. | |
4093 | */ | |
4094 | zc->zc_obj |= ZPROP_ERR_NORESTORE; | |
4095 | } | |
b128c09f BB |
4096 | } |
4097 | out: | |
b128c09f BB |
4098 | nvlist_free(props); |
4099 | nvlist_free(origprops); | |
428870ff | 4100 | nvlist_free(errors); |
34dc7c2f | 4101 | releasef(fd); |
428870ff BB |
4102 | |
4103 | if (error == 0) | |
4104 | error = props_error; | |
4105 | ||
34dc7c2f BB |
4106 | return (error); |
4107 | } | |
4108 | ||
4109 | /* | |
4110 | * inputs: | |
4111 | * zc_name name of snapshot to send | |
34dc7c2f | 4112 | * zc_cookie file descriptor to send stream to |
572e2857 BB |
4113 | * zc_obj fromorigin flag (mutually exclusive with zc_fromobj) |
4114 | * zc_sendobj objsetid of snapshot to send | |
4115 | * zc_fromobj objsetid of incremental fromsnap (may be zero) | |
330d06f9 MA |
4116 | * zc_guid if set, estimate size of stream only. zc_cookie is ignored. |
4117 | * output size in zc_objset_type. | |
34dc7c2f BB |
4118 | * |
4119 | * outputs: none | |
4120 | */ | |
4121 | static int | |
4122 | zfs_ioc_send(zfs_cmd_t *zc) | |
4123 | { | |
34dc7c2f BB |
4124 | int error; |
4125 | offset_t off; | |
330d06f9 | 4126 | boolean_t estimate = (zc->zc_guid != 0); |
34dc7c2f | 4127 | |
13fe0198 MA |
4128 | if (zc->zc_obj != 0) { |
4129 | dsl_pool_t *dp; | |
4130 | dsl_dataset_t *tosnap; | |
34dc7c2f | 4131 | |
13fe0198 MA |
4132 | error = dsl_pool_hold(zc->zc_name, FTAG, &dp); |
4133 | if (error != 0) | |
572e2857 | 4134 | return (error); |
13fe0198 MA |
4135 | |
4136 | error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &tosnap); | |
4137 | if (error != 0) { | |
4138 | dsl_pool_rele(dp, FTAG); | |
34dc7c2f BB |
4139 | return (error); |
4140 | } | |
13fe0198 MA |
4141 | |
4142 | if (dsl_dir_is_clone(tosnap->ds_dir)) | |
4143 | zc->zc_fromobj = tosnap->ds_dir->dd_phys->dd_origin_obj; | |
4144 | dsl_dataset_rele(tosnap, FTAG); | |
4145 | dsl_pool_rele(dp, FTAG); | |
6f1ffb06 MA |
4146 | } |
4147 | ||
13fe0198 MA |
4148 | if (estimate) { |
4149 | dsl_pool_t *dp; | |
4150 | dsl_dataset_t *tosnap; | |
4151 | dsl_dataset_t *fromsnap = NULL; | |
4152 | ||
4153 | error = dsl_pool_hold(zc->zc_name, FTAG, &dp); | |
4154 | if (error != 0) | |
4155 | return (error); | |
6f1ffb06 | 4156 | |
13fe0198 MA |
4157 | error = dsl_dataset_hold_obj(dp, zc->zc_sendobj, FTAG, &tosnap); |
4158 | if (error != 0) { | |
4159 | dsl_pool_rele(dp, FTAG); | |
4160 | return (error); | |
6f1ffb06 MA |
4161 | } |
4162 | ||
13fe0198 MA |
4163 | if (zc->zc_fromobj != 0) { |
4164 | error = dsl_dataset_hold_obj(dp, zc->zc_fromobj, | |
4165 | FTAG, &fromsnap); | |
4166 | if (error != 0) { | |
4167 | dsl_dataset_rele(tosnap, FTAG); | |
4168 | dsl_pool_rele(dp, FTAG); | |
6f1ffb06 MA |
4169 | return (error); |
4170 | } | |
4171 | } | |
34dc7c2f | 4172 | |
6f1ffb06 | 4173 | error = dmu_send_estimate(tosnap, fromsnap, |
330d06f9 | 4174 | &zc->zc_objset_type); |
13fe0198 MA |
4175 | |
4176 | if (fromsnap != NULL) | |
4177 | dsl_dataset_rele(fromsnap, FTAG); | |
4178 | dsl_dataset_rele(tosnap, FTAG); | |
4179 | dsl_pool_rele(dp, FTAG); | |
330d06f9 MA |
4180 | } else { |
4181 | file_t *fp = getf(zc->zc_cookie); | |
13fe0198 | 4182 | if (fp == NULL) |
2e528b49 | 4183 | return (SET_ERROR(EBADF)); |
34dc7c2f | 4184 | |
330d06f9 | 4185 | off = fp->f_offset; |
13fe0198 MA |
4186 | error = dmu_send_obj(zc->zc_name, zc->zc_sendobj, |
4187 | zc->zc_fromobj, zc->zc_cookie, fp->f_vnode, &off); | |
34dc7c2f | 4188 | |
330d06f9 MA |
4189 | if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) |
4190 | fp->f_offset = off; | |
4191 | releasef(zc->zc_cookie); | |
4192 | } | |
34dc7c2f BB |
4193 | return (error); |
4194 | } | |
4195 | ||
37abac6d BP |
4196 | /* |
4197 | * inputs: | |
4198 | * zc_name name of snapshot on which to report progress | |
4199 | * zc_cookie file descriptor of send stream | |
4200 | * | |
4201 | * outputs: | |
4202 | * zc_cookie number of bytes written in send stream thus far | |
4203 | */ | |
4204 | static int | |
4205 | zfs_ioc_send_progress(zfs_cmd_t *zc) | |
4206 | { | |
13fe0198 | 4207 | dsl_pool_t *dp; |
37abac6d BP |
4208 | dsl_dataset_t *ds; |
4209 | dmu_sendarg_t *dsp = NULL; | |
4210 | int error; | |
4211 | ||
13fe0198 MA |
4212 | error = dsl_pool_hold(zc->zc_name, FTAG, &dp); |
4213 | if (error != 0) | |
37abac6d BP |
4214 | return (error); |
4215 | ||
13fe0198 MA |
4216 | error = dsl_dataset_hold(dp, zc->zc_name, FTAG, &ds); |
4217 | if (error != 0) { | |
4218 | dsl_pool_rele(dp, FTAG); | |
4219 | return (error); | |
4220 | } | |
4221 | ||
37abac6d BP |
4222 | mutex_enter(&ds->ds_sendstream_lock); |
4223 | ||
4224 | /* | |
4225 | * Iterate over all the send streams currently active on this dataset. | |
4226 | * If there's one which matches the specified file descriptor _and_ the | |
4227 | * stream was started by the current process, return the progress of | |
4228 | * that stream. | |
4229 | */ | |
4230 | ||
4231 | for (dsp = list_head(&ds->ds_sendstreams); dsp != NULL; | |
4232 | dsp = list_next(&ds->ds_sendstreams, dsp)) { | |
4233 | if (dsp->dsa_outfd == zc->zc_cookie && | |
4234 | dsp->dsa_proc->group_leader == curproc->group_leader) | |
4235 | break; | |
4236 | } | |
4237 | ||
4238 | if (dsp != NULL) | |
4239 | zc->zc_cookie = *(dsp->dsa_off); | |
4240 | else | |
2e528b49 | 4241 | error = SET_ERROR(ENOENT); |
37abac6d BP |
4242 | |
4243 | mutex_exit(&ds->ds_sendstream_lock); | |
4244 | dsl_dataset_rele(ds, FTAG); | |
13fe0198 | 4245 | dsl_pool_rele(dp, FTAG); |
37abac6d BP |
4246 | return (error); |
4247 | } | |
4248 | ||
34dc7c2f BB |
4249 | static int |
4250 | zfs_ioc_inject_fault(zfs_cmd_t *zc) | |
4251 | { | |
4252 | int id, error; | |
4253 | ||
4254 | error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, | |
4255 | &zc->zc_inject_record); | |
4256 | ||
4257 | if (error == 0) | |
4258 | zc->zc_guid = (uint64_t)id; | |
4259 | ||
4260 | return (error); | |
4261 | } | |
4262 | ||
4263 | static int | |
4264 | zfs_ioc_clear_fault(zfs_cmd_t *zc) | |
4265 | { | |
4266 | return (zio_clear_fault((int)zc->zc_guid)); | |
4267 | } | |
4268 | ||
4269 | static int | |
4270 | zfs_ioc_inject_list_next(zfs_cmd_t *zc) | |
4271 | { | |
4272 | int id = (int)zc->zc_guid; | |
4273 | int error; | |
4274 | ||
4275 | error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), | |
4276 | &zc->zc_inject_record); | |
4277 | ||
4278 | zc->zc_guid = id; | |
4279 | ||
4280 | return (error); | |
4281 | } | |
4282 | ||
4283 | static int | |
4284 | zfs_ioc_error_log(zfs_cmd_t *zc) | |
4285 | { | |
4286 | spa_t *spa; | |
4287 | int error; | |
4288 | size_t count = (size_t)zc->zc_nvlist_dst_size; | |
4289 | ||
4290 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
4291 | return (error); | |
4292 | ||
4293 | error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, | |
4294 | &count); | |
4295 | if (error == 0) | |
4296 | zc->zc_nvlist_dst_size = count; | |
4297 | else | |
4298 | zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); | |
4299 | ||
4300 | spa_close(spa, FTAG); | |
4301 | ||
4302 | return (error); | |
4303 | } | |
4304 | ||
4305 | static int | |
4306 | zfs_ioc_clear(zfs_cmd_t *zc) | |
4307 | { | |
4308 | spa_t *spa; | |
4309 | vdev_t *vd; | |
34dc7c2f BB |
4310 | int error; |
4311 | ||
34dc7c2f | 4312 | /* |
b128c09f | 4313 | * On zpool clear we also fix up missing slogs |
34dc7c2f | 4314 | */ |
b128c09f BB |
4315 | mutex_enter(&spa_namespace_lock); |
4316 | spa = spa_lookup(zc->zc_name); | |
4317 | if (spa == NULL) { | |
4318 | mutex_exit(&spa_namespace_lock); | |
2e528b49 | 4319 | return (SET_ERROR(EIO)); |
b128c09f | 4320 | } |
428870ff | 4321 | if (spa_get_log_state(spa) == SPA_LOG_MISSING) { |
b128c09f | 4322 | /* we need to let spa_open/spa_load clear the chains */ |
428870ff | 4323 | spa_set_log_state(spa, SPA_LOG_CLEAR); |
34dc7c2f | 4324 | } |
428870ff | 4325 | spa->spa_last_open_failed = 0; |
b128c09f | 4326 | mutex_exit(&spa_namespace_lock); |
34dc7c2f | 4327 | |
428870ff BB |
4328 | if (zc->zc_cookie & ZPOOL_NO_REWIND) { |
4329 | error = spa_open(zc->zc_name, &spa, FTAG); | |
4330 | } else { | |
4331 | nvlist_t *policy; | |
4332 | nvlist_t *config = NULL; | |
4333 | ||
b8864a23 | 4334 | if (zc->zc_nvlist_src == 0) |
2e528b49 | 4335 | return (SET_ERROR(EINVAL)); |
428870ff BB |
4336 | |
4337 | if ((error = get_nvlist(zc->zc_nvlist_src, | |
4338 | zc->zc_nvlist_src_size, zc->zc_iflags, &policy)) == 0) { | |
4339 | error = spa_open_rewind(zc->zc_name, &spa, FTAG, | |
4340 | policy, &config); | |
4341 | if (config != NULL) { | |
572e2857 BB |
4342 | int err; |
4343 | ||
4344 | if ((err = put_nvlist(zc, config)) != 0) | |
4345 | error = err; | |
428870ff BB |
4346 | nvlist_free(config); |
4347 | } | |
4348 | nvlist_free(policy); | |
4349 | } | |
4350 | } | |
4351 | ||
13fe0198 | 4352 | if (error != 0) |
b128c09f BB |
4353 | return (error); |
4354 | ||
428870ff | 4355 | spa_vdev_state_enter(spa, SCL_NONE); |
34dc7c2f BB |
4356 | |
4357 | if (zc->zc_guid == 0) { | |
4358 | vd = NULL; | |
b128c09f BB |
4359 | } else { |
4360 | vd = spa_lookup_by_guid(spa, zc->zc_guid, B_TRUE); | |
34dc7c2f | 4361 | if (vd == NULL) { |
b128c09f | 4362 | (void) spa_vdev_state_exit(spa, NULL, ENODEV); |
34dc7c2f | 4363 | spa_close(spa, FTAG); |
2e528b49 | 4364 | return (SET_ERROR(ENODEV)); |
34dc7c2f BB |
4365 | } |
4366 | } | |
4367 | ||
b128c09f BB |
4368 | vdev_clear(spa, vd); |
4369 | ||
4370 | (void) spa_vdev_state_exit(spa, NULL, 0); | |
34dc7c2f | 4371 | |
b128c09f BB |
4372 | /* |
4373 | * Resume any suspended I/Os. | |
4374 | */ | |
9babb374 | 4375 | if (zio_resume(spa) != 0) |
2e528b49 | 4376 | error = SET_ERROR(EIO); |
34dc7c2f BB |
4377 | |
4378 | spa_close(spa, FTAG); | |
4379 | ||
9babb374 | 4380 | return (error); |
34dc7c2f BB |
4381 | } |
4382 | ||
1bd201e7 CS |
4383 | static int |
4384 | zfs_ioc_pool_reopen(zfs_cmd_t *zc) | |
4385 | { | |
4386 | spa_t *spa; | |
4387 | int error; | |
4388 | ||
4389 | error = spa_open(zc->zc_name, &spa, FTAG); | |
13fe0198 | 4390 | if (error != 0) |
1bd201e7 CS |
4391 | return (error); |
4392 | ||
4393 | spa_vdev_state_enter(spa, SCL_NONE); | |
65947351 GW |
4394 | |
4395 | /* | |
4396 | * If a resilver is already in progress then set the | |
4397 | * spa_scrub_reopen flag to B_TRUE so that we don't restart | |
4398 | * the scan as a side effect of the reopen. Otherwise, let | |
4399 | * vdev_open() decided if a resilver is required. | |
4400 | */ | |
4401 | spa->spa_scrub_reopen = dsl_scan_resilvering(spa->spa_dsl_pool); | |
1bd201e7 | 4402 | vdev_reopen(spa->spa_root_vdev); |
65947351 GW |
4403 | spa->spa_scrub_reopen = B_FALSE; |
4404 | ||
1bd201e7 CS |
4405 | (void) spa_vdev_state_exit(spa, NULL, 0); |
4406 | spa_close(spa, FTAG); | |
4407 | return (0); | |
4408 | } | |
34dc7c2f BB |
4409 | /* |
4410 | * inputs: | |
4411 | * zc_name name of filesystem | |
4412 | * zc_value name of origin snapshot | |
4413 | * | |
428870ff BB |
4414 | * outputs: |
4415 | * zc_string name of conflicting snapshot, if there is one | |
34dc7c2f BB |
4416 | */ |
4417 | static int | |
4418 | zfs_ioc_promote(zfs_cmd_t *zc) | |
4419 | { | |
4420 | char *cp; | |
4421 | ||
4422 | /* | |
4423 | * We don't need to unmount *all* the origin fs's snapshots, but | |
4424 | * it's easier. | |
4425 | */ | |
4426 | cp = strchr(zc->zc_value, '@'); | |
4427 | if (cp) | |
4428 | *cp = '\0'; | |
4429 | (void) dmu_objset_find(zc->zc_value, | |
13fe0198 | 4430 | zfs_unmount_snap_cb, NULL, DS_FIND_SNAPSHOTS); |
428870ff | 4431 | return (dsl_dataset_promote(zc->zc_name, zc->zc_string)); |
34dc7c2f BB |
4432 | } |
4433 | ||
9babb374 BB |
4434 | /* |
4435 | * Retrieve a single {user|group}{used|quota}@... property. | |
4436 | * | |
4437 | * inputs: | |
4438 | * zc_name name of filesystem | |
4439 | * zc_objset_type zfs_userquota_prop_t | |
4440 | * zc_value domain name (eg. "S-1-234-567-89") | |
4441 | * zc_guid RID/UID/GID | |
4442 | * | |
4443 | * outputs: | |
4444 | * zc_cookie property value | |
4445 | */ | |
4446 | static int | |
4447 | zfs_ioc_userspace_one(zfs_cmd_t *zc) | |
4448 | { | |
3558fd73 | 4449 | zfs_sb_t *zsb; |
9babb374 BB |
4450 | int error; |
4451 | ||
4452 | if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) | |
2e528b49 | 4453 | return (SET_ERROR(EINVAL)); |
9babb374 | 4454 | |
3558fd73 | 4455 | error = zfs_sb_hold(zc->zc_name, FTAG, &zsb, B_FALSE); |
13fe0198 | 4456 | if (error != 0) |
9babb374 BB |
4457 | return (error); |
4458 | ||
3558fd73 | 4459 | error = zfs_userspace_one(zsb, |
9babb374 | 4460 | zc->zc_objset_type, zc->zc_value, zc->zc_guid, &zc->zc_cookie); |
3558fd73 | 4461 | zfs_sb_rele(zsb, FTAG); |
9babb374 BB |
4462 | |
4463 | return (error); | |
4464 | } | |
4465 | ||
4466 | /* | |
4467 | * inputs: | |
4468 | * zc_name name of filesystem | |
4469 | * zc_cookie zap cursor | |
4470 | * zc_objset_type zfs_userquota_prop_t | |
4471 | * zc_nvlist_dst[_size] buffer to fill (not really an nvlist) | |
4472 | * | |
4473 | * outputs: | |
4474 | * zc_nvlist_dst[_size] data buffer (array of zfs_useracct_t) | |
4475 | * zc_cookie zap cursor | |
4476 | */ | |
4477 | static int | |
4478 | zfs_ioc_userspace_many(zfs_cmd_t *zc) | |
4479 | { | |
3558fd73 | 4480 | zfs_sb_t *zsb; |
428870ff | 4481 | int bufsize = zc->zc_nvlist_dst_size; |
3558fd73 BB |
4482 | int error; |
4483 | void *buf; | |
428870ff BB |
4484 | |
4485 | if (bufsize <= 0) | |
2e528b49 | 4486 | return (SET_ERROR(ENOMEM)); |
9babb374 | 4487 | |
3558fd73 | 4488 | error = zfs_sb_hold(zc->zc_name, FTAG, &zsb, B_FALSE); |
13fe0198 | 4489 | if (error != 0) |
9babb374 BB |
4490 | return (error); |
4491 | ||
2b8cad61 | 4492 | buf = vmem_alloc(bufsize, KM_SLEEP); |
9babb374 | 4493 | |
3558fd73 | 4494 | error = zfs_userspace_many(zsb, zc->zc_objset_type, &zc->zc_cookie, |
9babb374 BB |
4495 | buf, &zc->zc_nvlist_dst_size); |
4496 | ||
4497 | if (error == 0) { | |
4498 | error = xcopyout(buf, | |
4499 | (void *)(uintptr_t)zc->zc_nvlist_dst, | |
4500 | zc->zc_nvlist_dst_size); | |
4501 | } | |
2b8cad61 | 4502 | vmem_free(buf, bufsize); |
3558fd73 | 4503 | zfs_sb_rele(zsb, FTAG); |
9babb374 BB |
4504 | |
4505 | return (error); | |
4506 | } | |
4507 | ||
4508 | /* | |
4509 | * inputs: | |
4510 | * zc_name name of filesystem | |
4511 | * | |
4512 | * outputs: | |
4513 | * none | |
4514 | */ | |
4515 | static int | |
4516 | zfs_ioc_userspace_upgrade(zfs_cmd_t *zc) | |
4517 | { | |
4518 | objset_t *os; | |
428870ff | 4519 | int error = 0; |
3558fd73 | 4520 | zfs_sb_t *zsb; |
9babb374 | 4521 | |
3558fd73 BB |
4522 | if (get_zfs_sb(zc->zc_name, &zsb) == 0) { |
4523 | if (!dmu_objset_userused_enabled(zsb->z_os)) { | |
9babb374 BB |
4524 | /* |
4525 | * If userused is not enabled, it may be because the | |
4526 | * objset needs to be closed & reopened (to grow the | |
4527 | * objset_phys_t). Suspend/resume the fs will do that. | |
4528 | */ | |
3558fd73 | 4529 | error = zfs_suspend_fs(zsb); |
428870ff | 4530 | if (error == 0) |
3558fd73 | 4531 | error = zfs_resume_fs(zsb, zc->zc_name); |
9babb374 BB |
4532 | } |
4533 | if (error == 0) | |
3558fd73 | 4534 | error = dmu_objset_userspace_upgrade(zsb->z_os); |
2cf7f52b | 4535 | deactivate_super(zsb->z_sb); |
9babb374 | 4536 | } else { |
428870ff BB |
4537 | /* XXX kind of reading contents without owning */ |
4538 | error = dmu_objset_hold(zc->zc_name, FTAG, &os); | |
13fe0198 | 4539 | if (error != 0) |
9babb374 BB |
4540 | return (error); |
4541 | ||
4542 | error = dmu_objset_userspace_upgrade(os); | |
428870ff | 4543 | dmu_objset_rele(os, FTAG); |
9babb374 BB |
4544 | } |
4545 | ||
4546 | return (error); | |
4547 | } | |
4548 | ||
34dc7c2f BB |
4549 | static int |
4550 | zfs_ioc_share(zfs_cmd_t *zc) | |
4551 | { | |
2e528b49 | 4552 | return (SET_ERROR(ENOSYS)); |
34dc7c2f BB |
4553 | } |
4554 | ||
9babb374 BB |
4555 | ace_t full_access[] = { |
4556 | {(uid_t)-1, ACE_ALL_PERMS, ACE_EVERYONE, 0} | |
4557 | }; | |
4558 | ||
572e2857 BB |
4559 | /* |
4560 | * inputs: | |
4561 | * zc_name name of containing filesystem | |
4562 | * zc_obj object # beyond which we want next in-use object # | |
4563 | * | |
4564 | * outputs: | |
4565 | * zc_obj next in-use object # | |
4566 | */ | |
4567 | static int | |
4568 | zfs_ioc_next_obj(zfs_cmd_t *zc) | |
4569 | { | |
4570 | objset_t *os = NULL; | |
4571 | int error; | |
4572 | ||
4573 | error = dmu_objset_hold(zc->zc_name, FTAG, &os); | |
13fe0198 | 4574 | if (error != 0) |
572e2857 BB |
4575 | return (error); |
4576 | ||
4577 | error = dmu_object_next(os, &zc->zc_obj, B_FALSE, | |
4578 | os->os_dsl_dataset->ds_phys->ds_prev_snap_txg); | |
4579 | ||
4580 | dmu_objset_rele(os, FTAG); | |
4581 | return (error); | |
4582 | } | |
4583 | ||
4584 | /* | |
4585 | * inputs: | |
4586 | * zc_name name of filesystem | |
4587 | * zc_value prefix name for snapshot | |
4588 | * zc_cleanup_fd cleanup-on-exit file descriptor for calling process | |
4589 | * | |
4590 | * outputs: | |
6f1ffb06 | 4591 | * zc_value short name of new snapshot |
572e2857 BB |
4592 | */ |
4593 | static int | |
4594 | zfs_ioc_tmp_snapshot(zfs_cmd_t *zc) | |
4595 | { | |
4596 | char *snap_name; | |
13fe0198 | 4597 | char *hold_name; |
572e2857 | 4598 | int error; |
13fe0198 | 4599 | minor_t minor; |
572e2857 | 4600 | |
13fe0198 MA |
4601 | error = zfs_onexit_fd_hold(zc->zc_cleanup_fd, &minor); |
4602 | if (error != 0) | |
572e2857 | 4603 | return (error); |
572e2857 | 4604 | |
13fe0198 MA |
4605 | snap_name = kmem_asprintf("%s-%016llx", zc->zc_value, |
4606 | (u_longlong_t)ddi_get_lbolt64()); | |
4607 | hold_name = kmem_asprintf("%%%s", zc->zc_value); | |
4608 | ||
4609 | error = dsl_dataset_snapshot_tmp(zc->zc_name, snap_name, minor, | |
4610 | hold_name); | |
4611 | if (error == 0) | |
4612 | (void) strcpy(zc->zc_value, snap_name); | |
572e2857 | 4613 | strfree(snap_name); |
13fe0198 MA |
4614 | strfree(hold_name); |
4615 | zfs_onexit_fd_rele(zc->zc_cleanup_fd); | |
4616 | return (error); | |
572e2857 BB |
4617 | } |
4618 | ||
4619 | /* | |
4620 | * inputs: | |
4621 | * zc_name name of "to" snapshot | |
4622 | * zc_value name of "from" snapshot | |
4623 | * zc_cookie file descriptor to write diff data on | |
4624 | * | |
4625 | * outputs: | |
4626 | * dmu_diff_record_t's to the file descriptor | |
4627 | */ | |
4628 | static int | |
4629 | zfs_ioc_diff(zfs_cmd_t *zc) | |
4630 | { | |
572e2857 BB |
4631 | file_t *fp; |
4632 | offset_t off; | |
4633 | int error; | |
4634 | ||
572e2857 | 4635 | fp = getf(zc->zc_cookie); |
13fe0198 | 4636 | if (fp == NULL) |
2e528b49 | 4637 | return (SET_ERROR(EBADF)); |
572e2857 BB |
4638 | |
4639 | off = fp->f_offset; | |
4640 | ||
13fe0198 | 4641 | error = dmu_diff(zc->zc_name, zc->zc_value, fp->f_vnode, &off); |
572e2857 BB |
4642 | |
4643 | if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) | |
4644 | fp->f_offset = off; | |
4645 | releasef(zc->zc_cookie); | |
4646 | ||
572e2857 BB |
4647 | return (error); |
4648 | } | |
4649 | ||
9babb374 BB |
4650 | /* |
4651 | * Remove all ACL files in shares dir | |
4652 | */ | |
3c9609b3 | 4653 | #ifdef HAVE_SMB_SHARE |
9babb374 BB |
4654 | static int |
4655 | zfs_smb_acl_purge(znode_t *dzp) | |
4656 | { | |
4657 | zap_cursor_t zc; | |
4658 | zap_attribute_t zap; | |
3558fd73 | 4659 | zfs_sb_t *zsb = ZTOZSB(dzp); |
9babb374 BB |
4660 | int error; |
4661 | ||
3558fd73 | 4662 | for (zap_cursor_init(&zc, zsb->z_os, dzp->z_id); |
9babb374 BB |
4663 | (error = zap_cursor_retrieve(&zc, &zap)) == 0; |
4664 | zap_cursor_advance(&zc)) { | |
4665 | if ((error = VOP_REMOVE(ZTOV(dzp), zap.za_name, kcred, | |
4666 | NULL, 0)) != 0) | |
4667 | break; | |
4668 | } | |
4669 | zap_cursor_fini(&zc); | |
4670 | return (error); | |
4671 | } | |
3c9609b3 | 4672 | #endif /* HAVE_SMB_SHARE */ |
9babb374 BB |
4673 | |
4674 | static int | |
4675 | zfs_ioc_smb_acl(zfs_cmd_t *zc) | |
4676 | { | |
3c9609b3 | 4677 | #ifdef HAVE_SMB_SHARE |
9babb374 BB |
4678 | vnode_t *vp; |
4679 | znode_t *dzp; | |
4680 | vnode_t *resourcevp = NULL; | |
4681 | znode_t *sharedir; | |
3558fd73 | 4682 | zfs_sb_t *zsb; |
9babb374 BB |
4683 | nvlist_t *nvlist; |
4684 | char *src, *target; | |
4685 | vattr_t vattr; | |
4686 | vsecattr_t vsec; | |
4687 | int error = 0; | |
4688 | ||
4689 | if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, | |
4690 | NO_FOLLOW, NULL, &vp)) != 0) | |
4691 | return (error); | |
4692 | ||
4693 | /* Now make sure mntpnt and dataset are ZFS */ | |
4694 | ||
4695 | if (vp->v_vfsp->vfs_fstype != zfsfstype || | |
4696 | (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), | |
4697 | zc->zc_name) != 0)) { | |
4698 | VN_RELE(vp); | |
2e528b49 | 4699 | return (SET_ERROR(EINVAL)); |
9babb374 BB |
4700 | } |
4701 | ||
4702 | dzp = VTOZ(vp); | |
3558fd73 BB |
4703 | zsb = ZTOZSB(dzp); |
4704 | ZFS_ENTER(zsb); | |
9babb374 BB |
4705 | |
4706 | /* | |
4707 | * Create share dir if its missing. | |
4708 | */ | |
3558fd73 BB |
4709 | mutex_enter(&zsb->z_lock); |
4710 | if (zsb->z_shares_dir == 0) { | |
9babb374 BB |
4711 | dmu_tx_t *tx; |
4712 | ||
3558fd73 | 4713 | tx = dmu_tx_create(zsb->z_os); |
9babb374 BB |
4714 | dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, TRUE, |
4715 | ZFS_SHARES_DIR); | |
4716 | dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); | |
4717 | error = dmu_tx_assign(tx, TXG_WAIT); | |
13fe0198 | 4718 | if (error != 0) { |
9babb374 BB |
4719 | dmu_tx_abort(tx); |
4720 | } else { | |
3558fd73 | 4721 | error = zfs_create_share_dir(zsb, tx); |
9babb374 BB |
4722 | dmu_tx_commit(tx); |
4723 | } | |
13fe0198 | 4724 | if (error != 0) { |
3558fd73 | 4725 | mutex_exit(&zsb->z_lock); |
9babb374 | 4726 | VN_RELE(vp); |
3558fd73 | 4727 | ZFS_EXIT(zsb); |
9babb374 BB |
4728 | return (error); |
4729 | } | |
4730 | } | |
3558fd73 | 4731 | mutex_exit(&zsb->z_lock); |
9babb374 | 4732 | |
3558fd73 BB |
4733 | ASSERT(zsb->z_shares_dir); |
4734 | if ((error = zfs_zget(zsb, zsb->z_shares_dir, &sharedir)) != 0) { | |
9babb374 | 4735 | VN_RELE(vp); |
3558fd73 | 4736 | ZFS_EXIT(zsb); |
9babb374 BB |
4737 | return (error); |
4738 | } | |
4739 | ||
4740 | switch (zc->zc_cookie) { | |
4741 | case ZFS_SMB_ACL_ADD: | |
4742 | vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE; | |
9babb374 BB |
4743 | vattr.va_mode = S_IFREG|0777; |
4744 | vattr.va_uid = 0; | |
4745 | vattr.va_gid = 0; | |
4746 | ||
4747 | vsec.vsa_mask = VSA_ACE; | |
4748 | vsec.vsa_aclentp = &full_access; | |
4749 | vsec.vsa_aclentsz = sizeof (full_access); | |
4750 | vsec.vsa_aclcnt = 1; | |
4751 | ||
4752 | error = VOP_CREATE(ZTOV(sharedir), zc->zc_string, | |
4753 | &vattr, EXCL, 0, &resourcevp, kcred, 0, NULL, &vsec); | |
4754 | if (resourcevp) | |
4755 | VN_RELE(resourcevp); | |
4756 | break; | |
4757 | ||
4758 | case ZFS_SMB_ACL_REMOVE: | |
4759 | error = VOP_REMOVE(ZTOV(sharedir), zc->zc_string, kcred, | |
4760 | NULL, 0); | |
4761 | break; | |
4762 | ||
4763 | case ZFS_SMB_ACL_RENAME: | |
4764 | if ((error = get_nvlist(zc->zc_nvlist_src, | |
4765 | zc->zc_nvlist_src_size, zc->zc_iflags, &nvlist)) != 0) { | |
4766 | VN_RELE(vp); | |
3558fd73 | 4767 | ZFS_EXIT(zsb); |
9babb374 BB |
4768 | return (error); |
4769 | } | |
4770 | if (nvlist_lookup_string(nvlist, ZFS_SMB_ACL_SRC, &src) || | |
4771 | nvlist_lookup_string(nvlist, ZFS_SMB_ACL_TARGET, | |
4772 | &target)) { | |
4773 | VN_RELE(vp); | |
4774 | VN_RELE(ZTOV(sharedir)); | |
3558fd73 | 4775 | ZFS_EXIT(zsb); |
428870ff | 4776 | nvlist_free(nvlist); |
9babb374 BB |
4777 | return (error); |
4778 | } | |
4779 | error = VOP_RENAME(ZTOV(sharedir), src, ZTOV(sharedir), target, | |
4780 | kcred, NULL, 0); | |
4781 | nvlist_free(nvlist); | |
4782 | break; | |
4783 | ||
4784 | case ZFS_SMB_ACL_PURGE: | |
4785 | error = zfs_smb_acl_purge(sharedir); | |
4786 | break; | |
4787 | ||
4788 | default: | |
2e528b49 | 4789 | error = SET_ERROR(EINVAL); |
9babb374 BB |
4790 | break; |
4791 | } | |
4792 | ||
4793 | VN_RELE(vp); | |
4794 | VN_RELE(ZTOV(sharedir)); | |
4795 | ||
3558fd73 | 4796 | ZFS_EXIT(zsb); |
9babb374 BB |
4797 | |
4798 | return (error); | |
325f0235 | 4799 | #else |
2e528b49 | 4800 | return (SET_ERROR(ENOTSUP)); |
3c9609b3 | 4801 | #endif /* HAVE_SMB_SHARE */ |
9babb374 BB |
4802 | } |
4803 | ||
45d1cae3 | 4804 | /* |
13fe0198 MA |
4805 | * innvl: { |
4806 | * "holds" -> { snapname -> holdname (string), ... } | |
4807 | * (optional) "cleanup_fd" -> fd (int32) | |
4808 | * } | |
45d1cae3 | 4809 | * |
13fe0198 MA |
4810 | * outnvl: { |
4811 | * snapname -> error value (int32) | |
4812 | * ... | |
4813 | * } | |
45d1cae3 | 4814 | */ |
13fe0198 | 4815 | /* ARGSUSED */ |
45d1cae3 | 4816 | static int |
13fe0198 | 4817 | zfs_ioc_hold(const char *pool, nvlist_t *args, nvlist_t *errlist) |
45d1cae3 | 4818 | { |
13fe0198 MA |
4819 | nvlist_t *holds; |
4820 | int cleanup_fd = -1; | |
572e2857 BB |
4821 | int error; |
4822 | minor_t minor = 0; | |
45d1cae3 | 4823 | |
13fe0198 MA |
4824 | error = nvlist_lookup_nvlist(args, "holds", &holds); |
4825 | if (error != 0) | |
2e528b49 | 4826 | return (SET_ERROR(EINVAL)); |
572e2857 | 4827 | |
13fe0198 MA |
4828 | if (nvlist_lookup_int32(args, "cleanup_fd", &cleanup_fd) == 0) { |
4829 | error = zfs_onexit_fd_hold(cleanup_fd, &minor); | |
4830 | if (error != 0) | |
572e2857 | 4831 | return (error); |
572e2857 | 4832 | } |
572e2857 | 4833 | |
13fe0198 MA |
4834 | error = dsl_dataset_user_hold(holds, minor, errlist); |
4835 | if (minor != 0) | |
4836 | zfs_onexit_fd_rele(cleanup_fd); | |
572e2857 | 4837 | return (error); |
45d1cae3 BB |
4838 | } |
4839 | ||
4840 | /* | |
13fe0198 | 4841 | * innvl is not used. |
45d1cae3 | 4842 | * |
13fe0198 MA |
4843 | * outnvl: { |
4844 | * holdname -> time added (uint64 seconds since epoch) | |
4845 | * ... | |
4846 | * } | |
45d1cae3 | 4847 | */ |
13fe0198 | 4848 | /* ARGSUSED */ |
45d1cae3 | 4849 | static int |
13fe0198 | 4850 | zfs_ioc_get_holds(const char *snapname, nvlist_t *args, nvlist_t *outnvl) |
45d1cae3 | 4851 | { |
13fe0198 | 4852 | return (dsl_dataset_get_holds(snapname, outnvl)); |
45d1cae3 BB |
4853 | } |
4854 | ||
4855 | /* | |
13fe0198 MA |
4856 | * innvl: { |
4857 | * snapname -> { holdname, ... } | |
4858 | * ... | |
4859 | * } | |
45d1cae3 | 4860 | * |
13fe0198 MA |
4861 | * outnvl: { |
4862 | * snapname -> error value (int32) | |
4863 | * ... | |
4864 | * } | |
45d1cae3 | 4865 | */ |
13fe0198 | 4866 | /* ARGSUSED */ |
45d1cae3 | 4867 | static int |
13fe0198 | 4868 | zfs_ioc_release(const char *pool, nvlist_t *holds, nvlist_t *errlist) |
45d1cae3 | 4869 | { |
13fe0198 | 4870 | nvpair_t *pair; |
d09f25dc | 4871 | int err; |
45d1cae3 | 4872 | |
13fe0198 MA |
4873 | /* |
4874 | * The release may cause the snapshot to be destroyed; make sure it | |
4875 | * is not mounted. | |
4876 | */ | |
4877 | for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL; | |
d09f25dc WA |
4878 | pair = nvlist_next_nvpair(holds, pair)) { |
4879 | err = zfs_unmount_snap(nvpair_name(pair)); | |
4880 | if (err != 0) | |
4881 | return (err); | |
4882 | } | |
45d1cae3 | 4883 | |
13fe0198 | 4884 | return (dsl_dataset_user_release(holds, errlist)); |
45d1cae3 BB |
4885 | } |
4886 | ||
26685276 BB |
4887 | /* |
4888 | * inputs: | |
4889 | * zc_guid flags (ZEVENT_NONBLOCK) | |
4890 | * | |
4891 | * outputs: | |
4892 | * zc_nvlist_dst next nvlist event | |
4893 | * zc_cookie dropped events since last get | |
4894 | * zc_cleanup_fd cleanup-on-exit file descriptor | |
4895 | */ | |
4896 | static int | |
4897 | zfs_ioc_events_next(zfs_cmd_t *zc) | |
4898 | { | |
4899 | zfs_zevent_t *ze; | |
4900 | nvlist_t *event = NULL; | |
4901 | minor_t minor; | |
4902 | uint64_t dropped = 0; | |
4903 | int error; | |
4904 | ||
4905 | error = zfs_zevent_fd_hold(zc->zc_cleanup_fd, &minor, &ze); | |
4906 | if (error != 0) | |
4907 | return (error); | |
4908 | ||
4909 | do { | |
baa40d45 BB |
4910 | error = zfs_zevent_next(ze, &event, |
4911 | &zc->zc_nvlist_dst_size, &dropped); | |
26685276 BB |
4912 | if (event != NULL) { |
4913 | zc->zc_cookie = dropped; | |
4914 | error = put_nvlist(zc, event); | |
baa40d45 | 4915 | nvlist_free(event); |
26685276 BB |
4916 | } |
4917 | ||
4918 | if (zc->zc_guid & ZEVENT_NONBLOCK) | |
4919 | break; | |
4920 | ||
4921 | if ((error == 0) || (error != ENOENT)) | |
4922 | break; | |
4923 | ||
4924 | error = zfs_zevent_wait(ze); | |
13fe0198 | 4925 | if (error != 0) |
26685276 BB |
4926 | break; |
4927 | } while (1); | |
4928 | ||
4929 | zfs_zevent_fd_rele(zc->zc_cleanup_fd); | |
4930 | ||
4931 | return (error); | |
4932 | } | |
4933 | ||
4934 | /* | |
4935 | * outputs: | |
4936 | * zc_cookie cleared events count | |
4937 | */ | |
4938 | static int | |
4939 | zfs_ioc_events_clear(zfs_cmd_t *zc) | |
4940 | { | |
4941 | int count; | |
4942 | ||
4943 | zfs_zevent_drain_all(&count); | |
4944 | zc->zc_cookie = count; | |
4945 | ||
4946 | return 0; | |
4947 | } | |
4948 | ||
330d06f9 MA |
4949 | /* |
4950 | * inputs: | |
4951 | * zc_name name of new filesystem or snapshot | |
4952 | * zc_value full name of old snapshot | |
4953 | * | |
4954 | * outputs: | |
4955 | * zc_cookie space in bytes | |
4956 | * zc_objset_type compressed space in bytes | |
4957 | * zc_perm_action uncompressed space in bytes | |
4958 | */ | |
4959 | static int | |
4960 | zfs_ioc_space_written(zfs_cmd_t *zc) | |
4961 | { | |
4962 | int error; | |
13fe0198 | 4963 | dsl_pool_t *dp; |
330d06f9 MA |
4964 | dsl_dataset_t *new, *old; |
4965 | ||
13fe0198 | 4966 | error = dsl_pool_hold(zc->zc_name, FTAG, &dp); |
330d06f9 MA |
4967 | if (error != 0) |
4968 | return (error); | |
13fe0198 MA |
4969 | error = dsl_dataset_hold(dp, zc->zc_name, FTAG, &new); |
4970 | if (error != 0) { | |
4971 | dsl_pool_rele(dp, FTAG); | |
4972 | return (error); | |
4973 | } | |
4974 | error = dsl_dataset_hold(dp, zc->zc_value, FTAG, &old); | |
330d06f9 MA |
4975 | if (error != 0) { |
4976 | dsl_dataset_rele(new, FTAG); | |
13fe0198 | 4977 | dsl_pool_rele(dp, FTAG); |
330d06f9 MA |
4978 | return (error); |
4979 | } | |
4980 | ||
4981 | error = dsl_dataset_space_written(old, new, &zc->zc_cookie, | |
4982 | &zc->zc_objset_type, &zc->zc_perm_action); | |
4983 | dsl_dataset_rele(old, FTAG); | |
4984 | dsl_dataset_rele(new, FTAG); | |
13fe0198 | 4985 | dsl_pool_rele(dp, FTAG); |
330d06f9 MA |
4986 | return (error); |
4987 | } | |
4988 | ||
4989 | /* | |
6f1ffb06 MA |
4990 | * innvl: { |
4991 | * "firstsnap" -> snapshot name | |
4992 | * } | |
330d06f9 | 4993 | * |
6f1ffb06 MA |
4994 | * outnvl: { |
4995 | * "used" -> space in bytes | |
4996 | * "compressed" -> compressed space in bytes | |
4997 | * "uncompressed" -> uncompressed space in bytes | |
4998 | * } | |
330d06f9 MA |
4999 | */ |
5000 | static int | |
6f1ffb06 | 5001 | zfs_ioc_space_snaps(const char *lastsnap, nvlist_t *innvl, nvlist_t *outnvl) |
330d06f9 MA |
5002 | { |
5003 | int error; | |
13fe0198 | 5004 | dsl_pool_t *dp; |
330d06f9 | 5005 | dsl_dataset_t *new, *old; |
6f1ffb06 MA |
5006 | char *firstsnap; |
5007 | uint64_t used, comp, uncomp; | |
330d06f9 | 5008 | |
6f1ffb06 | 5009 | if (nvlist_lookup_string(innvl, "firstsnap", &firstsnap) != 0) |
2e528b49 | 5010 | return (SET_ERROR(EINVAL)); |
6f1ffb06 | 5011 | |
13fe0198 | 5012 | error = dsl_pool_hold(lastsnap, FTAG, &dp); |
330d06f9 MA |
5013 | if (error != 0) |
5014 | return (error); | |
13fe0198 MA |
5015 | |
5016 | error = dsl_dataset_hold(dp, lastsnap, FTAG, &new); | |
5017 | if (error != 0) { | |
5018 | dsl_pool_rele(dp, FTAG); | |
5019 | return (error); | |
5020 | } | |
5021 | error = dsl_dataset_hold(dp, firstsnap, FTAG, &old); | |
330d06f9 MA |
5022 | if (error != 0) { |
5023 | dsl_dataset_rele(new, FTAG); | |
13fe0198 | 5024 | dsl_pool_rele(dp, FTAG); |
330d06f9 MA |
5025 | return (error); |
5026 | } | |
5027 | ||
6f1ffb06 | 5028 | error = dsl_dataset_space_wouldfree(old, new, &used, &comp, &uncomp); |
330d06f9 MA |
5029 | dsl_dataset_rele(old, FTAG); |
5030 | dsl_dataset_rele(new, FTAG); | |
13fe0198 | 5031 | dsl_pool_rele(dp, FTAG); |
6f1ffb06 MA |
5032 | fnvlist_add_uint64(outnvl, "used", used); |
5033 | fnvlist_add_uint64(outnvl, "compressed", comp); | |
5034 | fnvlist_add_uint64(outnvl, "uncompressed", uncomp); | |
330d06f9 MA |
5035 | return (error); |
5036 | } | |
5037 | ||
34dc7c2f | 5038 | /* |
6f1ffb06 MA |
5039 | * innvl: { |
5040 | * "fd" -> file descriptor to write stream to (int32) | |
5041 | * (optional) "fromsnap" -> full snap name to send an incremental from | |
5042 | * } | |
5043 | * | |
5044 | * outnvl is unused | |
34dc7c2f | 5045 | */ |
6f1ffb06 MA |
5046 | /* ARGSUSED */ |
5047 | static int | |
5048 | zfs_ioc_send_new(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl) | |
5049 | { | |
6f1ffb06 MA |
5050 | int error; |
5051 | offset_t off; | |
13fe0198 | 5052 | char *fromname = NULL; |
6f1ffb06 | 5053 | int fd; |
13fe0198 | 5054 | file_t *fp; |
6f1ffb06 MA |
5055 | |
5056 | error = nvlist_lookup_int32(innvl, "fd", &fd); | |
5057 | if (error != 0) | |
2e528b49 | 5058 | return (SET_ERROR(EINVAL)); |
6f1ffb06 | 5059 | |
13fe0198 | 5060 | (void) nvlist_lookup_string(innvl, "fromsnap", &fromname); |
6f1ffb06 | 5061 | |
13fe0198 | 5062 | if ((fp = getf(fd)) == NULL) |
2e528b49 | 5063 | return (SET_ERROR(EBADF)); |
6f1ffb06 MA |
5064 | |
5065 | off = fp->f_offset; | |
13fe0198 | 5066 | error = dmu_send(snapname, fromname, fd, fp->f_vnode, &off); |
6f1ffb06 MA |
5067 | |
5068 | if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) | |
5069 | fp->f_offset = off; | |
13fe0198 | 5070 | |
6f1ffb06 | 5071 | releasef(fd); |
6f1ffb06 MA |
5072 | return (error); |
5073 | } | |
5074 | ||
5075 | /* | |
5076 | * Determine approximately how large a zfs send stream will be -- the number | |
5077 | * of bytes that will be written to the fd supplied to zfs_ioc_send_new(). | |
5078 | * | |
5079 | * innvl: { | |
5080 | * (optional) "fromsnap" -> full snap name to send an incremental from | |
5081 | * } | |
5082 | * | |
5083 | * outnvl: { | |
5084 | * "space" -> bytes of space (uint64) | |
5085 | * } | |
5086 | */ | |
5087 | static int | |
5088 | zfs_ioc_send_space(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl) | |
5089 | { | |
13fe0198 MA |
5090 | dsl_pool_t *dp; |
5091 | dsl_dataset_t *fromsnap = NULL; | |
5092 | dsl_dataset_t *tosnap; | |
6f1ffb06 MA |
5093 | int error; |
5094 | char *fromname; | |
5095 | uint64_t space; | |
5096 | ||
13fe0198 MA |
5097 | error = dsl_pool_hold(snapname, FTAG, &dp); |
5098 | if (error != 0) | |
6f1ffb06 MA |
5099 | return (error); |
5100 | ||
13fe0198 MA |
5101 | error = dsl_dataset_hold(dp, snapname, FTAG, &tosnap); |
5102 | if (error != 0) { | |
5103 | dsl_pool_rele(dp, FTAG); | |
5104 | return (error); | |
5105 | } | |
5106 | ||
6f1ffb06 MA |
5107 | error = nvlist_lookup_string(innvl, "fromsnap", &fromname); |
5108 | if (error == 0) { | |
13fe0198 MA |
5109 | error = dsl_dataset_hold(dp, fromname, FTAG, &fromsnap); |
5110 | if (error != 0) { | |
5111 | dsl_dataset_rele(tosnap, FTAG); | |
5112 | dsl_pool_rele(dp, FTAG); | |
6f1ffb06 MA |
5113 | return (error); |
5114 | } | |
5115 | } | |
5116 | ||
5117 | error = dmu_send_estimate(tosnap, fromsnap, &space); | |
5118 | fnvlist_add_uint64(outnvl, "space", space); | |
5119 | ||
5120 | if (fromsnap != NULL) | |
13fe0198 MA |
5121 | dsl_dataset_rele(fromsnap, FTAG); |
5122 | dsl_dataset_rele(tosnap, FTAG); | |
5123 | dsl_pool_rele(dp, FTAG); | |
6f1ffb06 MA |
5124 | return (error); |
5125 | } | |
5126 | ||
5127 | ||
5128 | static zfs_ioc_vec_t zfs_ioc_vec[ZFS_IOC_LAST - ZFS_IOC_FIRST]; | |
5129 | ||
5130 | static void | |
5131 | zfs_ioctl_register_legacy(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, | |
5132 | zfs_secpolicy_func_t *secpolicy, zfs_ioc_namecheck_t namecheck, | |
5133 | boolean_t log_history, zfs_ioc_poolcheck_t pool_check) | |
5134 | { | |
5135 | zfs_ioc_vec_t *vec = &zfs_ioc_vec[ioc - ZFS_IOC_FIRST]; | |
5136 | ||
5137 | ASSERT3U(ioc, >=, ZFS_IOC_FIRST); | |
5138 | ASSERT3U(ioc, <, ZFS_IOC_LAST); | |
5139 | ASSERT3P(vec->zvec_legacy_func, ==, NULL); | |
5140 | ASSERT3P(vec->zvec_func, ==, NULL); | |
5141 | ||
5142 | vec->zvec_legacy_func = func; | |
5143 | vec->zvec_secpolicy = secpolicy; | |
5144 | vec->zvec_namecheck = namecheck; | |
5145 | vec->zvec_allow_log = log_history; | |
5146 | vec->zvec_pool_check = pool_check; | |
5147 | } | |
5148 | ||
5149 | /* | |
5150 | * See the block comment at the beginning of this file for details on | |
5151 | * each argument to this function. | |
5152 | */ | |
5153 | static void | |
5154 | zfs_ioctl_register(const char *name, zfs_ioc_t ioc, zfs_ioc_func_t *func, | |
5155 | zfs_secpolicy_func_t *secpolicy, zfs_ioc_namecheck_t namecheck, | |
5156 | zfs_ioc_poolcheck_t pool_check, boolean_t smush_outnvlist, | |
5157 | boolean_t allow_log) | |
5158 | { | |
5159 | zfs_ioc_vec_t *vec = &zfs_ioc_vec[ioc - ZFS_IOC_FIRST]; | |
5160 | ||
5161 | ASSERT3U(ioc, >=, ZFS_IOC_FIRST); | |
5162 | ASSERT3U(ioc, <, ZFS_IOC_LAST); | |
5163 | ASSERT3P(vec->zvec_legacy_func, ==, NULL); | |
5164 | ASSERT3P(vec->zvec_func, ==, NULL); | |
5165 | ||
5166 | /* if we are logging, the name must be valid */ | |
5167 | ASSERT(!allow_log || namecheck != NO_NAME); | |
5168 | ||
5169 | vec->zvec_name = name; | |
5170 | vec->zvec_func = func; | |
5171 | vec->zvec_secpolicy = secpolicy; | |
5172 | vec->zvec_namecheck = namecheck; | |
5173 | vec->zvec_pool_check = pool_check; | |
5174 | vec->zvec_smush_outnvlist = smush_outnvlist; | |
5175 | vec->zvec_allow_log = allow_log; | |
5176 | } | |
5177 | ||
5178 | static void | |
5179 | zfs_ioctl_register_pool(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, | |
5180 | zfs_secpolicy_func_t *secpolicy, boolean_t log_history, | |
5181 | zfs_ioc_poolcheck_t pool_check) | |
5182 | { | |
5183 | zfs_ioctl_register_legacy(ioc, func, secpolicy, | |
5184 | POOL_NAME, log_history, pool_check); | |
5185 | } | |
5186 | ||
5187 | static void | |
5188 | zfs_ioctl_register_dataset_nolog(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, | |
5189 | zfs_secpolicy_func_t *secpolicy, zfs_ioc_poolcheck_t pool_check) | |
5190 | { | |
5191 | zfs_ioctl_register_legacy(ioc, func, secpolicy, | |
5192 | DATASET_NAME, B_FALSE, pool_check); | |
5193 | } | |
5194 | ||
5195 | static void | |
5196 | zfs_ioctl_register_pool_modify(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func) | |
5197 | { | |
5198 | zfs_ioctl_register_legacy(ioc, func, zfs_secpolicy_config, | |
5199 | POOL_NAME, B_TRUE, POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY); | |
5200 | } | |
5201 | ||
5202 | static void | |
5203 | zfs_ioctl_register_pool_meta(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, | |
5204 | zfs_secpolicy_func_t *secpolicy) | |
5205 | { | |
5206 | zfs_ioctl_register_legacy(ioc, func, secpolicy, | |
5207 | NO_NAME, B_FALSE, POOL_CHECK_NONE); | |
5208 | } | |
5209 | ||
5210 | static void | |
5211 | zfs_ioctl_register_dataset_read_secpolicy(zfs_ioc_t ioc, | |
5212 | zfs_ioc_legacy_func_t *func, zfs_secpolicy_func_t *secpolicy) | |
5213 | { | |
5214 | zfs_ioctl_register_legacy(ioc, func, secpolicy, | |
5215 | DATASET_NAME, B_FALSE, POOL_CHECK_SUSPENDED); | |
5216 | } | |
5217 | ||
5218 | static void | |
5219 | zfs_ioctl_register_dataset_read(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func) | |
5220 | { | |
5221 | zfs_ioctl_register_dataset_read_secpolicy(ioc, func, | |
5222 | zfs_secpolicy_read); | |
5223 | } | |
5224 | ||
5225 | static void | |
5226 | zfs_ioctl_register_dataset_modify(zfs_ioc_t ioc, zfs_ioc_legacy_func_t *func, | |
5227 | zfs_secpolicy_func_t *secpolicy) | |
5228 | { | |
5229 | zfs_ioctl_register_legacy(ioc, func, secpolicy, | |
5230 | DATASET_NAME, B_TRUE, POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY); | |
5231 | } | |
5232 | ||
5233 | static void | |
5234 | zfs_ioctl_init(void) | |
5235 | { | |
5236 | zfs_ioctl_register("snapshot", ZFS_IOC_SNAPSHOT, | |
5237 | zfs_ioc_snapshot, zfs_secpolicy_snapshot, POOL_NAME, | |
5238 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); | |
5239 | ||
5240 | zfs_ioctl_register("log_history", ZFS_IOC_LOG_HISTORY, | |
5241 | zfs_ioc_log_history, zfs_secpolicy_log_history, NO_NAME, | |
5242 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_FALSE, B_FALSE); | |
5243 | ||
5244 | zfs_ioctl_register("space_snaps", ZFS_IOC_SPACE_SNAPS, | |
5245 | zfs_ioc_space_snaps, zfs_secpolicy_read, DATASET_NAME, | |
5246 | POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); | |
5247 | ||
5248 | zfs_ioctl_register("send", ZFS_IOC_SEND_NEW, | |
5249 | zfs_ioc_send_new, zfs_secpolicy_send_new, DATASET_NAME, | |
5250 | POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); | |
5251 | ||
5252 | zfs_ioctl_register("send_space", ZFS_IOC_SEND_SPACE, | |
5253 | zfs_ioc_send_space, zfs_secpolicy_read, DATASET_NAME, | |
5254 | POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); | |
5255 | ||
5256 | zfs_ioctl_register("create", ZFS_IOC_CREATE, | |
5257 | zfs_ioc_create, zfs_secpolicy_create_clone, DATASET_NAME, | |
5258 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); | |
5259 | ||
5260 | zfs_ioctl_register("clone", ZFS_IOC_CLONE, | |
5261 | zfs_ioc_clone, zfs_secpolicy_create_clone, DATASET_NAME, | |
5262 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); | |
5263 | ||
5264 | zfs_ioctl_register("destroy_snaps", ZFS_IOC_DESTROY_SNAPS, | |
5265 | zfs_ioc_destroy_snaps, zfs_secpolicy_destroy_snaps, POOL_NAME, | |
5266 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); | |
5267 | ||
13fe0198 MA |
5268 | zfs_ioctl_register("hold", ZFS_IOC_HOLD, |
5269 | zfs_ioc_hold, zfs_secpolicy_hold, POOL_NAME, | |
5270 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); | |
5271 | zfs_ioctl_register("release", ZFS_IOC_RELEASE, | |
5272 | zfs_ioc_release, zfs_secpolicy_release, POOL_NAME, | |
5273 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY, B_TRUE, B_TRUE); | |
5274 | ||
5275 | zfs_ioctl_register("get_holds", ZFS_IOC_GET_HOLDS, | |
5276 | zfs_ioc_get_holds, zfs_secpolicy_read, DATASET_NAME, | |
5277 | POOL_CHECK_SUSPENDED, B_FALSE, B_FALSE); | |
5278 | ||
6f1ffb06 MA |
5279 | /* IOCTLS that use the legacy function signature */ |
5280 | ||
5281 | zfs_ioctl_register_legacy(ZFS_IOC_POOL_FREEZE, zfs_ioc_pool_freeze, | |
5282 | zfs_secpolicy_config, NO_NAME, B_FALSE, POOL_CHECK_READONLY); | |
5283 | ||
5284 | zfs_ioctl_register_pool(ZFS_IOC_POOL_CREATE, zfs_ioc_pool_create, | |
5285 | zfs_secpolicy_config, B_TRUE, POOL_CHECK_NONE); | |
5286 | zfs_ioctl_register_pool_modify(ZFS_IOC_POOL_SCAN, | |
5287 | zfs_ioc_pool_scan); | |
5288 | zfs_ioctl_register_pool_modify(ZFS_IOC_POOL_UPGRADE, | |
5289 | zfs_ioc_pool_upgrade); | |
5290 | zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_ADD, | |
5291 | zfs_ioc_vdev_add); | |
5292 | zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_REMOVE, | |
5293 | zfs_ioc_vdev_remove); | |
5294 | zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_SET_STATE, | |
5295 | zfs_ioc_vdev_set_state); | |
5296 | zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_ATTACH, | |
5297 | zfs_ioc_vdev_attach); | |
5298 | zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_DETACH, | |
5299 | zfs_ioc_vdev_detach); | |
5300 | zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_SETPATH, | |
5301 | zfs_ioc_vdev_setpath); | |
5302 | zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_SETFRU, | |
5303 | zfs_ioc_vdev_setfru); | |
5304 | zfs_ioctl_register_pool_modify(ZFS_IOC_POOL_SET_PROPS, | |
5305 | zfs_ioc_pool_set_props); | |
5306 | zfs_ioctl_register_pool_modify(ZFS_IOC_VDEV_SPLIT, | |
5307 | zfs_ioc_vdev_split); | |
5308 | zfs_ioctl_register_pool_modify(ZFS_IOC_POOL_REGUID, | |
5309 | zfs_ioc_pool_reguid); | |
5310 | ||
5311 | zfs_ioctl_register_pool_meta(ZFS_IOC_POOL_CONFIGS, | |
5312 | zfs_ioc_pool_configs, zfs_secpolicy_none); | |
5313 | zfs_ioctl_register_pool_meta(ZFS_IOC_POOL_TRYIMPORT, | |
5314 | zfs_ioc_pool_tryimport, zfs_secpolicy_config); | |
5315 | zfs_ioctl_register_pool_meta(ZFS_IOC_INJECT_FAULT, | |
5316 | zfs_ioc_inject_fault, zfs_secpolicy_inject); | |
5317 | zfs_ioctl_register_pool_meta(ZFS_IOC_CLEAR_FAULT, | |
5318 | zfs_ioc_clear_fault, zfs_secpolicy_inject); | |
5319 | zfs_ioctl_register_pool_meta(ZFS_IOC_INJECT_LIST_NEXT, | |
5320 | zfs_ioc_inject_list_next, zfs_secpolicy_inject); | |
5321 | ||
5322 | /* | |
5323 | * pool destroy, and export don't log the history as part of | |
5324 | * zfsdev_ioctl, but rather zfs_ioc_pool_export | |
5325 | * does the logging of those commands. | |
5326 | */ | |
5327 | zfs_ioctl_register_pool(ZFS_IOC_POOL_DESTROY, zfs_ioc_pool_destroy, | |
5328 | zfs_secpolicy_config, B_FALSE, POOL_CHECK_NONE); | |
5329 | zfs_ioctl_register_pool(ZFS_IOC_POOL_EXPORT, zfs_ioc_pool_export, | |
5330 | zfs_secpolicy_config, B_FALSE, POOL_CHECK_NONE); | |
5331 | ||
5332 | zfs_ioctl_register_pool(ZFS_IOC_POOL_STATS, zfs_ioc_pool_stats, | |
5333 | zfs_secpolicy_read, B_FALSE, POOL_CHECK_NONE); | |
5334 | zfs_ioctl_register_pool(ZFS_IOC_POOL_GET_PROPS, zfs_ioc_pool_get_props, | |
5335 | zfs_secpolicy_read, B_FALSE, POOL_CHECK_NONE); | |
5336 | ||
5337 | zfs_ioctl_register_pool(ZFS_IOC_ERROR_LOG, zfs_ioc_error_log, | |
5338 | zfs_secpolicy_inject, B_FALSE, POOL_CHECK_SUSPENDED); | |
5339 | zfs_ioctl_register_pool(ZFS_IOC_DSOBJ_TO_DSNAME, | |
5340 | zfs_ioc_dsobj_to_dsname, | |
5341 | zfs_secpolicy_diff, B_FALSE, POOL_CHECK_SUSPENDED); | |
5342 | zfs_ioctl_register_pool(ZFS_IOC_POOL_GET_HISTORY, | |
5343 | zfs_ioc_pool_get_history, | |
5344 | zfs_secpolicy_config, B_FALSE, POOL_CHECK_SUSPENDED); | |
5345 | ||
5346 | zfs_ioctl_register_pool(ZFS_IOC_POOL_IMPORT, zfs_ioc_pool_import, | |
5347 | zfs_secpolicy_config, B_TRUE, POOL_CHECK_NONE); | |
5348 | ||
5349 | zfs_ioctl_register_pool(ZFS_IOC_CLEAR, zfs_ioc_clear, | |
5350 | zfs_secpolicy_config, B_TRUE, POOL_CHECK_SUSPENDED); | |
5351 | zfs_ioctl_register_pool(ZFS_IOC_POOL_REOPEN, zfs_ioc_pool_reopen, | |
5352 | zfs_secpolicy_config, B_TRUE, POOL_CHECK_SUSPENDED); | |
5353 | ||
5354 | zfs_ioctl_register_dataset_read(ZFS_IOC_SPACE_WRITTEN, | |
5355 | zfs_ioc_space_written); | |
6f1ffb06 MA |
5356 | zfs_ioctl_register_dataset_read(ZFS_IOC_OBJSET_RECVD_PROPS, |
5357 | zfs_ioc_objset_recvd_props); | |
5358 | zfs_ioctl_register_dataset_read(ZFS_IOC_NEXT_OBJ, | |
5359 | zfs_ioc_next_obj); | |
5360 | zfs_ioctl_register_dataset_read(ZFS_IOC_GET_FSACL, | |
5361 | zfs_ioc_get_fsacl); | |
5362 | zfs_ioctl_register_dataset_read(ZFS_IOC_OBJSET_STATS, | |
5363 | zfs_ioc_objset_stats); | |
5364 | zfs_ioctl_register_dataset_read(ZFS_IOC_OBJSET_ZPLPROPS, | |
5365 | zfs_ioc_objset_zplprops); | |
5366 | zfs_ioctl_register_dataset_read(ZFS_IOC_DATASET_LIST_NEXT, | |
5367 | zfs_ioc_dataset_list_next); | |
5368 | zfs_ioctl_register_dataset_read(ZFS_IOC_SNAPSHOT_LIST_NEXT, | |
5369 | zfs_ioc_snapshot_list_next); | |
5370 | zfs_ioctl_register_dataset_read(ZFS_IOC_SEND_PROGRESS, | |
5371 | zfs_ioc_send_progress); | |
5372 | ||
5373 | zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_DIFF, | |
5374 | zfs_ioc_diff, zfs_secpolicy_diff); | |
5375 | zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_OBJ_TO_STATS, | |
5376 | zfs_ioc_obj_to_stats, zfs_secpolicy_diff); | |
5377 | zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_OBJ_TO_PATH, | |
5378 | zfs_ioc_obj_to_path, zfs_secpolicy_diff); | |
5379 | zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_USERSPACE_ONE, | |
5380 | zfs_ioc_userspace_one, zfs_secpolicy_userspace_one); | |
5381 | zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_USERSPACE_MANY, | |
5382 | zfs_ioc_userspace_many, zfs_secpolicy_userspace_many); | |
5383 | zfs_ioctl_register_dataset_read_secpolicy(ZFS_IOC_SEND, | |
5384 | zfs_ioc_send, zfs_secpolicy_send); | |
5385 | ||
5386 | zfs_ioctl_register_dataset_modify(ZFS_IOC_SET_PROP, zfs_ioc_set_prop, | |
5387 | zfs_secpolicy_none); | |
5388 | zfs_ioctl_register_dataset_modify(ZFS_IOC_DESTROY, zfs_ioc_destroy, | |
5389 | zfs_secpolicy_destroy); | |
5390 | zfs_ioctl_register_dataset_modify(ZFS_IOC_ROLLBACK, zfs_ioc_rollback, | |
5391 | zfs_secpolicy_rollback); | |
5392 | zfs_ioctl_register_dataset_modify(ZFS_IOC_RENAME, zfs_ioc_rename, | |
5393 | zfs_secpolicy_rename); | |
5394 | zfs_ioctl_register_dataset_modify(ZFS_IOC_RECV, zfs_ioc_recv, | |
5395 | zfs_secpolicy_recv); | |
5396 | zfs_ioctl_register_dataset_modify(ZFS_IOC_PROMOTE, zfs_ioc_promote, | |
5397 | zfs_secpolicy_promote); | |
6f1ffb06 MA |
5398 | zfs_ioctl_register_dataset_modify(ZFS_IOC_INHERIT_PROP, |
5399 | zfs_ioc_inherit_prop, zfs_secpolicy_inherit_prop); | |
5400 | zfs_ioctl_register_dataset_modify(ZFS_IOC_SET_FSACL, zfs_ioc_set_fsacl, | |
5401 | zfs_secpolicy_set_fsacl); | |
5402 | ||
5403 | zfs_ioctl_register_dataset_nolog(ZFS_IOC_SHARE, zfs_ioc_share, | |
5404 | zfs_secpolicy_share, POOL_CHECK_NONE); | |
5405 | zfs_ioctl_register_dataset_nolog(ZFS_IOC_SMB_ACL, zfs_ioc_smb_acl, | |
5406 | zfs_secpolicy_smb_acl, POOL_CHECK_NONE); | |
5407 | zfs_ioctl_register_dataset_nolog(ZFS_IOC_USERSPACE_UPGRADE, | |
5408 | zfs_ioc_userspace_upgrade, zfs_secpolicy_userspace_upgrade, | |
5409 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY); | |
5410 | zfs_ioctl_register_dataset_nolog(ZFS_IOC_TMP_SNAPSHOT, | |
5411 | zfs_ioc_tmp_snapshot, zfs_secpolicy_tmp_snapshot, | |
5412 | POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY); | |
5413 | ||
5414 | /* | |
5415 | * ZoL functions | |
5416 | */ | |
5417 | zfs_ioctl_register_legacy(ZFS_IOC_CREATE_MINOR, zfs_ioc_create_minor, | |
5418 | zfs_secpolicy_config, DATASET_NAME, B_FALSE, POOL_CHECK_NONE); | |
5419 | zfs_ioctl_register_legacy(ZFS_IOC_REMOVE_MINOR, zfs_ioc_remove_minor, | |
5420 | zfs_secpolicy_config, DATASET_NAME, B_FALSE, POOL_CHECK_NONE); | |
5421 | zfs_ioctl_register_legacy(ZFS_IOC_EVENTS_NEXT, zfs_ioc_events_next, | |
5422 | zfs_secpolicy_config, NO_NAME, B_FALSE, POOL_CHECK_NONE); | |
5423 | zfs_ioctl_register_legacy(ZFS_IOC_EVENTS_CLEAR, zfs_ioc_events_clear, | |
5424 | zfs_secpolicy_config, NO_NAME, B_FALSE, POOL_CHECK_NONE); | |
5425 | } | |
34dc7c2f | 5426 | |
9babb374 | 5427 | int |
572e2857 BB |
5428 | pool_status_check(const char *name, zfs_ioc_namecheck_t type, |
5429 | zfs_ioc_poolcheck_t check) | |
9babb374 BB |
5430 | { |
5431 | spa_t *spa; | |
5432 | int error; | |
5433 | ||
5434 | ASSERT(type == POOL_NAME || type == DATASET_NAME); | |
5435 | ||
572e2857 BB |
5436 | if (check & POOL_CHECK_NONE) |
5437 | return (0); | |
5438 | ||
9babb374 BB |
5439 | error = spa_open(name, &spa, FTAG); |
5440 | if (error == 0) { | |
572e2857 | 5441 | if ((check & POOL_CHECK_SUSPENDED) && spa_suspended(spa)) |
2e528b49 | 5442 | error = SET_ERROR(EAGAIN); |
572e2857 | 5443 | else if ((check & POOL_CHECK_READONLY) && !spa_writeable(spa)) |
2e528b49 | 5444 | error = SET_ERROR(EROFS); |
9babb374 BB |
5445 | spa_close(spa, FTAG); |
5446 | } | |
5447 | return (error); | |
5448 | } | |
5449 | ||
325f0235 BB |
5450 | static void * |
5451 | zfsdev_get_state_impl(minor_t minor, enum zfsdev_state_type which) | |
5452 | { | |
5453 | zfsdev_state_t *zs; | |
5454 | ||
5455 | ASSERT(MUTEX_HELD(&zfsdev_state_lock)); | |
5456 | ||
5457 | for (zs = list_head(&zfsdev_state_list); zs != NULL; | |
5458 | zs = list_next(&zfsdev_state_list, zs)) { | |
5459 | if (zs->zs_minor == minor) { | |
5460 | switch (which) { | |
5461 | case ZST_ONEXIT: return (zs->zs_onexit); | |
5462 | case ZST_ZEVENT: return (zs->zs_zevent); | |
5463 | case ZST_ALL: return (zs); | |
5464 | } | |
5465 | } | |
5466 | } | |
5467 | ||
5468 | return NULL; | |
5469 | } | |
5470 | ||
5471 | void * | |
5472 | zfsdev_get_state(minor_t minor, enum zfsdev_state_type which) | |
5473 | { | |
5474 | void *ptr; | |
5475 | ||
5476 | mutex_enter(&zfsdev_state_lock); | |
5477 | ptr = zfsdev_get_state_impl(minor, which); | |
5478 | mutex_exit(&zfsdev_state_lock); | |
5479 | ||
5480 | return ptr; | |
5481 | } | |
5482 | ||
5483 | minor_t | |
5484 | zfsdev_getminor(struct file *filp) | |
5485 | { | |
5486 | ASSERT(filp != NULL); | |
5487 | ASSERT(filp->private_data != NULL); | |
5488 | ||
5489 | return (((zfsdev_state_t *)filp->private_data)->zs_minor); | |
5490 | } | |
5491 | ||
572e2857 | 5492 | /* |
325f0235 BB |
5493 | * Find a free minor number. The zfsdev_state_list is expected to |
5494 | * be short since it is only a list of currently open file handles. | |
572e2857 BB |
5495 | */ |
5496 | minor_t | |
5497 | zfsdev_minor_alloc(void) | |
5498 | { | |
325f0235 | 5499 | static minor_t last_minor = 0; |
572e2857 BB |
5500 | minor_t m; |
5501 | ||
5502 | ASSERT(MUTEX_HELD(&zfsdev_state_lock)); | |
5503 | ||
5504 | for (m = last_minor + 1; m != last_minor; m++) { | |
5505 | if (m > ZFSDEV_MAX_MINOR) | |
5506 | m = 1; | |
325f0235 | 5507 | if (zfsdev_get_state_impl(m, ZST_ALL) == NULL) { |
572e2857 BB |
5508 | last_minor = m; |
5509 | return (m); | |
5510 | } | |
5511 | } | |
5512 | ||
5513 | return (0); | |
5514 | } | |
5515 | ||
5516 | static int | |
325f0235 | 5517 | zfsdev_state_init(struct file *filp) |
572e2857 | 5518 | { |
325f0235 | 5519 | zfsdev_state_t *zs; |
572e2857 | 5520 | minor_t minor; |
572e2857 BB |
5521 | |
5522 | ASSERT(MUTEX_HELD(&zfsdev_state_lock)); | |
572e2857 | 5523 | |
325f0235 BB |
5524 | minor = zfsdev_minor_alloc(); |
5525 | if (minor == 0) | |
2e528b49 | 5526 | return (SET_ERROR(ENXIO)); |
325f0235 BB |
5527 | |
5528 | zs = kmem_zalloc( sizeof(zfsdev_state_t), KM_SLEEP); | |
572e2857 | 5529 | |
325f0235 BB |
5530 | zs->zs_file = filp; |
5531 | zs->zs_minor = minor; | |
5532 | filp->private_data = zs; | |
572e2857 | 5533 | |
325f0235 BB |
5534 | zfs_onexit_init((zfs_onexit_t **)&zs->zs_onexit); |
5535 | zfs_zevent_init((zfs_zevent_t **)&zs->zs_zevent); | |
572e2857 | 5536 | |
325f0235 | 5537 | list_insert_tail(&zfsdev_state_list, zs); |
572e2857 BB |
5538 | |
5539 | return (0); | |
5540 | } | |
5541 | ||
325f0235 BB |
5542 | static int |
5543 | zfsdev_state_destroy(struct file *filp) | |
572e2857 | 5544 | { |
325f0235 | 5545 | zfsdev_state_t *zs; |
572e2857 | 5546 | |
325f0235 BB |
5547 | ASSERT(MUTEX_HELD(&zfsdev_state_lock)); |
5548 | ASSERT(filp->private_data != NULL); | |
572e2857 | 5549 | |
325f0235 BB |
5550 | zs = filp->private_data; |
5551 | zfs_onexit_destroy(zs->zs_onexit); | |
5552 | zfs_zevent_destroy(zs->zs_zevent); | |
572e2857 | 5553 | |
325f0235 BB |
5554 | list_remove(&zfsdev_state_list, zs); |
5555 | kmem_free(zs, sizeof(zfsdev_state_t)); | |
572e2857 | 5556 | |
325f0235 | 5557 | return 0; |
572e2857 BB |
5558 | } |
5559 | ||
5560 | static int | |
325f0235 | 5561 | zfsdev_open(struct inode *ino, struct file *filp) |
572e2857 | 5562 | { |
325f0235 | 5563 | int error; |
572e2857 | 5564 | |
325f0235 BB |
5565 | mutex_enter(&zfsdev_state_lock); |
5566 | error = zfsdev_state_init(filp); | |
5567 | mutex_exit(&zfsdev_state_lock); | |
572e2857 | 5568 | |
325f0235 | 5569 | return (-error); |
572e2857 BB |
5570 | } |
5571 | ||
5572 | static int | |
325f0235 | 5573 | zfsdev_release(struct inode *ino, struct file *filp) |
572e2857 | 5574 | { |
325f0235 | 5575 | int error; |
572e2857 BB |
5576 | |
5577 | mutex_enter(&zfsdev_state_lock); | |
325f0235 | 5578 | error = zfsdev_state_destroy(filp); |
572e2857 BB |
5579 | mutex_exit(&zfsdev_state_lock); |
5580 | ||
325f0235 | 5581 | return (-error); |
572e2857 BB |
5582 | } |
5583 | ||
325f0235 BB |
5584 | static long |
5585 | zfsdev_ioctl(struct file *filp, unsigned cmd, unsigned long arg) | |
34dc7c2f BB |
5586 | { |
5587 | zfs_cmd_t *zc; | |
6f1ffb06 MA |
5588 | uint_t vecnum; |
5589 | int error, rc, len, flag = 0; | |
5590 | const zfs_ioc_vec_t *vec; | |
5591 | char saved_poolname[MAXNAMELEN]; | |
5592 | nvlist_t *innvl = NULL; | |
5593 | ||
5594 | vecnum = cmd - ZFS_IOC_FIRST; | |
5595 | if (vecnum >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) | |
2e528b49 | 5596 | return (-SET_ERROR(EINVAL)); |
6f1ffb06 | 5597 | vec = &zfs_ioc_vec[vecnum]; |
34dc7c2f | 5598 | |
00b46022 | 5599 | zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP | KM_NODEBUG); |
34dc7c2f | 5600 | |
9babb374 | 5601 | error = ddi_copyin((void *)arg, zc, sizeof (zfs_cmd_t), flag); |
6f1ffb06 | 5602 | if (error != 0) { |
2e528b49 | 5603 | error = SET_ERROR(EFAULT); |
6f1ffb06 MA |
5604 | goto out; |
5605 | } | |
34dc7c2f | 5606 | |
6f1ffb06 MA |
5607 | zc->zc_iflags = flag & FKIOCTL; |
5608 | if (zc->zc_nvlist_src_size != 0) { | |
5609 | error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
5610 | zc->zc_iflags, &innvl); | |
5611 | if (error != 0) | |
5612 | goto out; | |
5613 | } | |
34dc7c2f BB |
5614 | |
5615 | /* | |
5616 | * Ensure that all pool/dataset names are valid before we pass down to | |
5617 | * the lower layers. | |
5618 | */ | |
6f1ffb06 MA |
5619 | zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; |
5620 | switch (vec->zvec_namecheck) { | |
5621 | case POOL_NAME: | |
5622 | if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) | |
2e528b49 | 5623 | error = SET_ERROR(EINVAL); |
6f1ffb06 | 5624 | else |
572e2857 | 5625 | error = pool_status_check(zc->zc_name, |
6f1ffb06 MA |
5626 | vec->zvec_namecheck, vec->zvec_pool_check); |
5627 | break; | |
34dc7c2f | 5628 | |
6f1ffb06 MA |
5629 | case DATASET_NAME: |
5630 | if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) | |
2e528b49 | 5631 | error = SET_ERROR(EINVAL); |
6f1ffb06 | 5632 | else |
572e2857 | 5633 | error = pool_status_check(zc->zc_name, |
6f1ffb06 MA |
5634 | vec->zvec_namecheck, vec->zvec_pool_check); |
5635 | break; | |
34dc7c2f | 5636 | |
6f1ffb06 MA |
5637 | case NO_NAME: |
5638 | break; | |
34dc7c2f BB |
5639 | } |
5640 | ||
34dc7c2f | 5641 | |
6f1ffb06 MA |
5642 | if (error == 0 && !(flag & FKIOCTL)) |
5643 | error = vec->zvec_secpolicy(zc, innvl, CRED()); | |
5644 | ||
5645 | if (error != 0) | |
5646 | goto out; | |
5647 | ||
5648 | /* legacy ioctls can modify zc_name */ | |
5649 | (void) strlcpy(saved_poolname, zc->zc_name, sizeof(saved_poolname)); | |
5650 | len = strcspn(saved_poolname, "/@") + 1; | |
5651 | saved_poolname[len] = '\0'; | |
5652 | ||
5653 | if (vec->zvec_func != NULL) { | |
5654 | nvlist_t *outnvl; | |
5655 | int puterror = 0; | |
5656 | spa_t *spa; | |
5657 | nvlist_t *lognv = NULL; | |
5658 | ||
5659 | ASSERT(vec->zvec_legacy_func == NULL); | |
5660 | ||
5661 | /* | |
5662 | * Add the innvl to the lognv before calling the func, | |
5663 | * in case the func changes the innvl. | |
5664 | */ | |
5665 | if (vec->zvec_allow_log) { | |
5666 | lognv = fnvlist_alloc(); | |
5667 | fnvlist_add_string(lognv, ZPOOL_HIST_IOCTL, | |
5668 | vec->zvec_name); | |
5669 | if (!nvlist_empty(innvl)) { | |
5670 | fnvlist_add_nvlist(lognv, ZPOOL_HIST_INPUT_NVL, | |
5671 | innvl); | |
5672 | } | |
5673 | } | |
5674 | ||
8769db39 | 5675 | VERIFY0(nvlist_alloc(&outnvl, NV_UNIQUE_NAME, KM_PUSHPAGE)); |
6f1ffb06 MA |
5676 | error = vec->zvec_func(zc->zc_name, innvl, outnvl); |
5677 | ||
5678 | if (error == 0 && vec->zvec_allow_log && | |
5679 | spa_open(zc->zc_name, &spa, FTAG) == 0) { | |
5680 | if (!nvlist_empty(outnvl)) { | |
5681 | fnvlist_add_nvlist(lognv, ZPOOL_HIST_OUTPUT_NVL, | |
5682 | outnvl); | |
5683 | } | |
5684 | (void) spa_history_log_nvl(spa, lognv); | |
5685 | spa_close(spa, FTAG); | |
5686 | } | |
5687 | fnvlist_free(lognv); | |
5688 | ||
5689 | if (!nvlist_empty(outnvl) || zc->zc_nvlist_dst_size != 0) { | |
5690 | int smusherror = 0; | |
5691 | if (vec->zvec_smush_outnvlist) { | |
5692 | smusherror = nvlist_smush(outnvl, | |
5693 | zc->zc_nvlist_dst_size); | |
5694 | } | |
5695 | if (smusherror == 0) | |
5696 | puterror = put_nvlist(zc, outnvl); | |
5697 | } | |
5698 | ||
5699 | if (puterror != 0) | |
5700 | error = puterror; | |
5701 | ||
5702 | nvlist_free(outnvl); | |
5703 | } else { | |
5704 | error = vec->zvec_legacy_func(zc); | |
5705 | } | |
5706 | ||
5707 | out: | |
5708 | nvlist_free(innvl); | |
9babb374 | 5709 | rc = ddi_copyout(zc, (void *)arg, sizeof (zfs_cmd_t), flag); |
6f1ffb06 | 5710 | if (error == 0 && rc != 0) |
2e528b49 | 5711 | error = SET_ERROR(EFAULT); |
6f1ffb06 MA |
5712 | if (error == 0 && vec->zvec_allow_log) { |
5713 | char *s = tsd_get(zfs_allow_log_key); | |
5714 | if (s != NULL) | |
5715 | strfree(s); | |
5716 | (void) tsd_set(zfs_allow_log_key, strdup(saved_poolname)); | |
34dc7c2f BB |
5717 | } |
5718 | ||
5719 | kmem_free(zc, sizeof (zfs_cmd_t)); | |
325f0235 | 5720 | return (-error); |
34dc7c2f BB |
5721 | } |
5722 | ||
325f0235 BB |
5723 | #ifdef CONFIG_COMPAT |
5724 | static long | |
5725 | zfsdev_compat_ioctl(struct file *filp, unsigned cmd, unsigned long arg) | |
34dc7c2f | 5726 | { |
325f0235 BB |
5727 | return zfsdev_ioctl(filp, cmd, arg); |
5728 | } | |
5729 | #else | |
f5e79474 | 5730 | #define zfsdev_compat_ioctl NULL |
325f0235 | 5731 | #endif |
34dc7c2f | 5732 | |
325f0235 BB |
5733 | static const struct file_operations zfsdev_fops = { |
5734 | .open = zfsdev_open, | |
5735 | .release = zfsdev_release, | |
5736 | .unlocked_ioctl = zfsdev_ioctl, | |
5737 | .compat_ioctl = zfsdev_compat_ioctl, | |
5738 | .owner = THIS_MODULE, | |
5739 | }; | |
34dc7c2f | 5740 | |
325f0235 BB |
5741 | static struct miscdevice zfs_misc = { |
5742 | .minor = MISC_DYNAMIC_MINOR, | |
5743 | .name = ZFS_DRIVER, | |
5744 | .fops = &zfsdev_fops, | |
5745 | }; | |
34dc7c2f BB |
5746 | |
5747 | static int | |
325f0235 | 5748 | zfs_attach(void) |
34dc7c2f | 5749 | { |
325f0235 | 5750 | int error; |
34dc7c2f | 5751 | |
325f0235 BB |
5752 | mutex_init(&zfsdev_state_lock, NULL, MUTEX_DEFAULT, NULL); |
5753 | list_create(&zfsdev_state_list, sizeof (zfsdev_state_t), | |
5754 | offsetof(zfsdev_state_t, zs_next)); | |
34dc7c2f | 5755 | |
325f0235 | 5756 | error = misc_register(&zfs_misc); |
13fe0198 | 5757 | if (error != 0) { |
325f0235 BB |
5758 | printk(KERN_INFO "ZFS: misc_register() failed %d\n", error); |
5759 | return (error); | |
5760 | } | |
34dc7c2f | 5761 | |
325f0235 | 5762 | return (0); |
34dc7c2f BB |
5763 | } |
5764 | ||
325f0235 BB |
5765 | static void |
5766 | zfs_detach(void) | |
34dc7c2f | 5767 | { |
325f0235 | 5768 | int error; |
34dc7c2f | 5769 | |
325f0235 | 5770 | error = misc_deregister(&zfs_misc); |
13fe0198 | 5771 | if (error != 0) |
325f0235 | 5772 | printk(KERN_INFO "ZFS: misc_deregister() failed %d\n", error); |
34dc7c2f | 5773 | |
325f0235 BB |
5774 | mutex_destroy(&zfsdev_state_lock); |
5775 | list_destroy(&zfsdev_state_list); | |
34dc7c2f BB |
5776 | } |
5777 | ||
6f1ffb06 MA |
5778 | static void |
5779 | zfs_allow_log_destroy(void *arg) | |
5780 | { | |
5781 | char *poolname = arg; | |
5782 | strfree(poolname); | |
5783 | } | |
325f0235 BB |
5784 | |
5785 | #ifdef DEBUG | |
5786 | #define ZFS_DEBUG_STR " (DEBUG mode)" | |
5787 | #else | |
5788 | #define ZFS_DEBUG_STR "" | |
5789 | #endif | |
34dc7c2f BB |
5790 | |
5791 | int | |
5792 | _init(void) | |
5793 | { | |
5794 | int error; | |
5795 | ||
5796 | spa_init(FREAD | FWRITE); | |
5797 | zfs_init(); | |
34dc7c2f | 5798 | |
325f0235 BB |
5799 | if ((error = zvol_init()) != 0) |
5800 | goto out1; | |
5801 | ||
6f1ffb06 MA |
5802 | zfs_ioctl_init(); |
5803 | ||
325f0235 BB |
5804 | if ((error = zfs_attach()) != 0) |
5805 | goto out2; | |
34dc7c2f | 5806 | |
d5446cfc | 5807 | tsd_create(&zfs_fsyncer_key, NULL); |
6f1ffb06 MA |
5808 | tsd_create(&rrw_tsd_key, rrw_tsd_destroy); |
5809 | tsd_create(&zfs_allow_log_key, zfs_allow_log_destroy); | |
34dc7c2f | 5810 | |
4b5d425f | 5811 | printk(KERN_NOTICE "ZFS: Loaded module v%s-%s%s, " |
a23cc0a4 | 5812 | "ZFS pool version %s, ZFS filesystem version %s\n", |
4b5d425f | 5813 | ZFS_META_VERSION, ZFS_META_RELEASE, ZFS_DEBUG_STR, |
a23cc0a4 | 5814 | SPA_VERSION_STRING, ZPL_VERSION_STRING); |
34dc7c2f BB |
5815 | |
5816 | return (0); | |
325f0235 BB |
5817 | |
5818 | out2: | |
5819 | (void) zvol_fini(); | |
5820 | out1: | |
5821 | zfs_fini(); | |
5822 | spa_fini(); | |
4b5d425f BB |
5823 | printk(KERN_NOTICE "ZFS: Failed to Load ZFS Filesystem v%s-%s%s" |
5824 | ", rc = %d\n", ZFS_META_VERSION, ZFS_META_RELEASE, | |
5825 | ZFS_DEBUG_STR, error); | |
325f0235 BB |
5826 | |
5827 | return (error); | |
34dc7c2f BB |
5828 | } |
5829 | ||
5830 | int | |
5831 | _fini(void) | |
5832 | { | |
325f0235 | 5833 | zfs_detach(); |
34dc7c2f BB |
5834 | zvol_fini(); |
5835 | zfs_fini(); | |
5836 | spa_fini(); | |
46e18b3f | 5837 | |
d5446cfc | 5838 | tsd_destroy(&zfs_fsyncer_key); |
3fc050aa | 5839 | tsd_destroy(&rrw_tsd_key); |
6f1ffb06 | 5840 | tsd_destroy(&zfs_allow_log_key); |
34dc7c2f | 5841 | |
4b5d425f BB |
5842 | printk(KERN_NOTICE "ZFS: Unloaded module v%s-%s%s\n", |
5843 | ZFS_META_VERSION, ZFS_META_RELEASE, ZFS_DEBUG_STR); | |
34dc7c2f | 5844 | |
325f0235 | 5845 | return (0); |
34dc7c2f | 5846 | } |
325f0235 BB |
5847 | |
5848 | #ifdef HAVE_SPL | |
5849 | spl_module_init(_init); | |
5850 | spl_module_exit(_fini); | |
5851 | ||
5852 | MODULE_DESCRIPTION("ZFS"); | |
5853 | MODULE_AUTHOR(ZFS_META_AUTHOR); | |
5854 | MODULE_LICENSE(ZFS_META_LICENSE); | |
5855 | #endif /* HAVE_SPL */ |