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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
d164b209 | 22 | * Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
34dc7c2f BB |
23 | * Use is subject to license terms. |
24 | */ | |
25 | ||
34dc7c2f BB |
26 | #include <sys/types.h> |
27 | #include <sys/param.h> | |
28 | #include <sys/errno.h> | |
29 | #include <sys/uio.h> | |
30 | #include <sys/buf.h> | |
31 | #include <sys/modctl.h> | |
32 | #include <sys/open.h> | |
33 | #include <sys/file.h> | |
34 | #include <sys/kmem.h> | |
35 | #include <sys/conf.h> | |
36 | #include <sys/cmn_err.h> | |
37 | #include <sys/stat.h> | |
38 | #include <sys/zfs_ioctl.h> | |
39 | #include <sys/zfs_znode.h> | |
40 | #include <sys/zap.h> | |
41 | #include <sys/spa.h> | |
42 | #include <sys/spa_impl.h> | |
43 | #include <sys/vdev.h> | |
44 | #include <sys/vdev_impl.h> | |
45 | #include <sys/dmu.h> | |
46 | #include <sys/dsl_dir.h> | |
47 | #include <sys/dsl_dataset.h> | |
48 | #include <sys/dsl_prop.h> | |
49 | #include <sys/dsl_deleg.h> | |
50 | #include <sys/dmu_objset.h> | |
51 | #include <sys/ddi.h> | |
52 | #include <sys/sunddi.h> | |
53 | #include <sys/sunldi.h> | |
54 | #include <sys/policy.h> | |
55 | #include <sys/zone.h> | |
56 | #include <sys/nvpair.h> | |
57 | #include <sys/pathname.h> | |
58 | #include <sys/mount.h> | |
59 | #include <sys/sdt.h> | |
60 | #include <sys/fs/zfs.h> | |
61 | #include <sys/zfs_ctldir.h> | |
62 | #include <sys/zfs_dir.h> | |
63 | #include <sys/zvol.h> | |
64 | #include <sharefs/share.h> | |
65 | #include <sys/dmu_objset.h> | |
66 | ||
67 | #include "zfs_namecheck.h" | |
68 | #include "zfs_prop.h" | |
69 | #include "zfs_deleg.h" | |
70 | ||
71 | extern struct modlfs zfs_modlfs; | |
72 | ||
73 | extern void zfs_init(void); | |
74 | extern void zfs_fini(void); | |
75 | ||
76 | ldi_ident_t zfs_li = NULL; | |
77 | dev_info_t *zfs_dip; | |
78 | ||
79 | typedef int zfs_ioc_func_t(zfs_cmd_t *); | |
80 | typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *); | |
81 | ||
9babb374 BB |
82 | typedef enum { |
83 | NO_NAME, | |
84 | POOL_NAME, | |
85 | DATASET_NAME | |
86 | } zfs_ioc_namecheck_t; | |
87 | ||
34dc7c2f BB |
88 | typedef struct zfs_ioc_vec { |
89 | zfs_ioc_func_t *zvec_func; | |
90 | zfs_secpolicy_func_t *zvec_secpolicy; | |
9babb374 | 91 | zfs_ioc_namecheck_t zvec_namecheck; |
34dc7c2f | 92 | boolean_t zvec_his_log; |
9babb374 | 93 | boolean_t zvec_pool_check; |
34dc7c2f BB |
94 | } zfs_ioc_vec_t; |
95 | ||
9babb374 BB |
96 | /* This array is indexed by zfs_userquota_prop_t */ |
97 | static const char *userquota_perms[] = { | |
98 | ZFS_DELEG_PERM_USERUSED, | |
99 | ZFS_DELEG_PERM_USERQUOTA, | |
100 | ZFS_DELEG_PERM_GROUPUSED, | |
101 | ZFS_DELEG_PERM_GROUPQUOTA, | |
102 | }; | |
103 | ||
104 | static int zfs_ioc_userspace_upgrade(zfs_cmd_t *zc); | |
d164b209 | 105 | static void clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops); |
b128c09f BB |
106 | static int zfs_fill_zplprops_root(uint64_t, nvlist_t *, nvlist_t *, |
107 | boolean_t *); | |
108 | int zfs_set_prop_nvlist(const char *, nvlist_t *); | |
109 | ||
34dc7c2f BB |
110 | /* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */ |
111 | void | |
112 | __dprintf(const char *file, const char *func, int line, const char *fmt, ...) | |
113 | { | |
114 | const char *newfile; | |
115 | char buf[256]; | |
116 | va_list adx; | |
117 | ||
118 | /* | |
119 | * Get rid of annoying "../common/" prefix to filename. | |
120 | */ | |
121 | newfile = strrchr(file, '/'); | |
122 | if (newfile != NULL) { | |
123 | newfile = newfile + 1; /* Get rid of leading / */ | |
124 | } else { | |
125 | newfile = file; | |
126 | } | |
127 | ||
128 | va_start(adx, fmt); | |
129 | (void) vsnprintf(buf, sizeof (buf), fmt, adx); | |
130 | va_end(adx); | |
131 | ||
132 | /* | |
133 | * To get this data, use the zfs-dprintf probe as so: | |
134 | * dtrace -q -n 'zfs-dprintf \ | |
135 | * /stringof(arg0) == "dbuf.c"/ \ | |
136 | * {printf("%s: %s", stringof(arg1), stringof(arg3))}' | |
137 | * arg0 = file name | |
138 | * arg1 = function name | |
139 | * arg2 = line number | |
140 | * arg3 = message | |
141 | */ | |
142 | DTRACE_PROBE4(zfs__dprintf, | |
143 | char *, newfile, char *, func, int, line, char *, buf); | |
144 | } | |
145 | ||
146 | static void | |
147 | history_str_free(char *buf) | |
148 | { | |
149 | kmem_free(buf, HIS_MAX_RECORD_LEN); | |
150 | } | |
151 | ||
152 | static char * | |
153 | history_str_get(zfs_cmd_t *zc) | |
154 | { | |
155 | char *buf; | |
156 | ||
157 | if (zc->zc_history == NULL) | |
158 | return (NULL); | |
159 | ||
160 | buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); | |
161 | if (copyinstr((void *)(uintptr_t)zc->zc_history, | |
162 | buf, HIS_MAX_RECORD_LEN, NULL) != 0) { | |
163 | history_str_free(buf); | |
164 | return (NULL); | |
165 | } | |
166 | ||
167 | buf[HIS_MAX_RECORD_LEN -1] = '\0'; | |
168 | ||
169 | return (buf); | |
170 | } | |
171 | ||
172 | /* | |
b128c09f BB |
173 | * Check to see if the named dataset is currently defined as bootable |
174 | */ | |
175 | static boolean_t | |
176 | zfs_is_bootfs(const char *name) | |
177 | { | |
178 | spa_t *spa; | |
179 | boolean_t ret = B_FALSE; | |
180 | ||
181 | if (spa_open(name, &spa, FTAG) == 0) { | |
182 | if (spa->spa_bootfs) { | |
183 | objset_t *os; | |
184 | ||
185 | if (dmu_objset_open(name, DMU_OST_ZFS, | |
186 | DS_MODE_USER | DS_MODE_READONLY, &os) == 0) { | |
187 | ret = (dmu_objset_id(os) == spa->spa_bootfs); | |
188 | dmu_objset_close(os); | |
189 | } | |
190 | } | |
191 | spa_close(spa, FTAG); | |
192 | } | |
193 | return (ret); | |
194 | } | |
195 | ||
196 | /* | |
197 | * zfs_earlier_version | |
34dc7c2f BB |
198 | * |
199 | * Return non-zero if the spa version is less than requested version. | |
200 | */ | |
201 | static int | |
b128c09f | 202 | zfs_earlier_version(const char *name, int version) |
34dc7c2f | 203 | { |
34dc7c2f BB |
204 | spa_t *spa; |
205 | ||
206 | if (spa_open(name, &spa, FTAG) == 0) { | |
207 | if (spa_version(spa) < version) { | |
208 | spa_close(spa, FTAG); | |
209 | return (1); | |
210 | } | |
211 | spa_close(spa, FTAG); | |
212 | } | |
213 | return (0); | |
214 | } | |
215 | ||
216 | /* | |
b128c09f | 217 | * zpl_earlier_version |
34dc7c2f | 218 | * |
b128c09f | 219 | * Return TRUE if the ZPL version is less than requested version. |
34dc7c2f | 220 | */ |
b128c09f BB |
221 | static boolean_t |
222 | zpl_earlier_version(const char *name, int version) | |
34dc7c2f BB |
223 | { |
224 | objset_t *os; | |
b128c09f | 225 | boolean_t rc = B_TRUE; |
34dc7c2f BB |
226 | |
227 | if (dmu_objset_open(name, DMU_OST_ANY, | |
b128c09f BB |
228 | DS_MODE_USER | DS_MODE_READONLY, &os) == 0) { |
229 | uint64_t zplversion; | |
34dc7c2f | 230 | |
b128c09f BB |
231 | if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &zplversion) == 0) |
232 | rc = zplversion < version; | |
34dc7c2f BB |
233 | dmu_objset_close(os); |
234 | } | |
235 | return (rc); | |
236 | } | |
237 | ||
238 | static void | |
239 | zfs_log_history(zfs_cmd_t *zc) | |
240 | { | |
241 | spa_t *spa; | |
242 | char *buf; | |
243 | ||
244 | if ((buf = history_str_get(zc)) == NULL) | |
245 | return; | |
246 | ||
247 | if (spa_open(zc->zc_name, &spa, FTAG) == 0) { | |
248 | if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) | |
249 | (void) spa_history_log(spa, buf, LOG_CMD_NORMAL); | |
250 | spa_close(spa, FTAG); | |
251 | } | |
252 | history_str_free(buf); | |
253 | } | |
254 | ||
255 | /* | |
256 | * Policy for top-level read operations (list pools). Requires no privileges, | |
257 | * and can be used in the local zone, as there is no associated dataset. | |
258 | */ | |
259 | /* ARGSUSED */ | |
260 | static int | |
261 | zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) | |
262 | { | |
263 | return (0); | |
264 | } | |
265 | ||
266 | /* | |
267 | * Policy for dataset read operations (list children, get statistics). Requires | |
268 | * no privileges, but must be visible in the local zone. | |
269 | */ | |
270 | /* ARGSUSED */ | |
271 | static int | |
272 | zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) | |
273 | { | |
274 | if (INGLOBALZONE(curproc) || | |
275 | zone_dataset_visible(zc->zc_name, NULL)) | |
276 | return (0); | |
277 | ||
278 | return (ENOENT); | |
279 | } | |
280 | ||
281 | static int | |
282 | zfs_dozonecheck(const char *dataset, cred_t *cr) | |
283 | { | |
284 | uint64_t zoned; | |
285 | int writable = 1; | |
286 | ||
287 | /* | |
288 | * The dataset must be visible by this zone -- check this first | |
289 | * so they don't see EPERM on something they shouldn't know about. | |
290 | */ | |
291 | if (!INGLOBALZONE(curproc) && | |
292 | !zone_dataset_visible(dataset, &writable)) | |
293 | return (ENOENT); | |
294 | ||
295 | if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) | |
296 | return (ENOENT); | |
297 | ||
298 | if (INGLOBALZONE(curproc)) { | |
299 | /* | |
300 | * If the fs is zoned, only root can access it from the | |
301 | * global zone. | |
302 | */ | |
303 | if (secpolicy_zfs(cr) && zoned) | |
304 | return (EPERM); | |
305 | } else { | |
306 | /* | |
307 | * If we are in a local zone, the 'zoned' property must be set. | |
308 | */ | |
309 | if (!zoned) | |
310 | return (EPERM); | |
311 | ||
312 | /* must be writable by this zone */ | |
313 | if (!writable) | |
314 | return (EPERM); | |
315 | } | |
316 | return (0); | |
317 | } | |
318 | ||
319 | int | |
320 | zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) | |
321 | { | |
322 | int error; | |
323 | ||
324 | error = zfs_dozonecheck(name, cr); | |
325 | if (error == 0) { | |
326 | error = secpolicy_zfs(cr); | |
327 | if (error) | |
328 | error = dsl_deleg_access(name, perm, cr); | |
329 | } | |
330 | return (error); | |
331 | } | |
332 | ||
333 | static int | |
334 | zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) | |
335 | { | |
336 | /* | |
337 | * Check permissions for special properties. | |
338 | */ | |
339 | switch (prop) { | |
340 | case ZFS_PROP_ZONED: | |
341 | /* | |
342 | * Disallow setting of 'zoned' from within a local zone. | |
343 | */ | |
344 | if (!INGLOBALZONE(curproc)) | |
345 | return (EPERM); | |
346 | break; | |
347 | ||
348 | case ZFS_PROP_QUOTA: | |
349 | if (!INGLOBALZONE(curproc)) { | |
350 | uint64_t zoned; | |
351 | char setpoint[MAXNAMELEN]; | |
352 | /* | |
353 | * Unprivileged users are allowed to modify the | |
354 | * quota on things *under* (ie. contained by) | |
355 | * the thing they own. | |
356 | */ | |
357 | if (dsl_prop_get_integer(name, "zoned", &zoned, | |
358 | setpoint)) | |
359 | return (EPERM); | |
360 | if (!zoned || strlen(name) <= strlen(setpoint)) | |
361 | return (EPERM); | |
362 | } | |
363 | break; | |
364 | } | |
365 | ||
366 | return (zfs_secpolicy_write_perms(name, zfs_prop_to_name(prop), cr)); | |
367 | } | |
368 | ||
369 | int | |
370 | zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) | |
371 | { | |
372 | int error; | |
373 | ||
374 | error = zfs_dozonecheck(zc->zc_name, cr); | |
375 | if (error) | |
376 | return (error); | |
377 | ||
378 | /* | |
379 | * permission to set permissions will be evaluated later in | |
380 | * dsl_deleg_can_allow() | |
381 | */ | |
382 | return (0); | |
383 | } | |
384 | ||
385 | int | |
386 | zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) | |
387 | { | |
388 | int error; | |
389 | error = zfs_secpolicy_write_perms(zc->zc_name, | |
390 | ZFS_DELEG_PERM_ROLLBACK, cr); | |
391 | if (error == 0) | |
392 | error = zfs_secpolicy_write_perms(zc->zc_name, | |
393 | ZFS_DELEG_PERM_MOUNT, cr); | |
394 | return (error); | |
395 | } | |
396 | ||
397 | int | |
398 | zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) | |
399 | { | |
400 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
401 | ZFS_DELEG_PERM_SEND, cr)); | |
402 | } | |
403 | ||
9babb374 BB |
404 | static int |
405 | zfs_secpolicy_deleg_share(zfs_cmd_t *zc, cred_t *cr) | |
406 | { | |
407 | vnode_t *vp; | |
408 | int error; | |
409 | ||
410 | if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, | |
411 | NO_FOLLOW, NULL, &vp)) != 0) | |
412 | return (error); | |
413 | ||
414 | /* Now make sure mntpnt and dataset are ZFS */ | |
415 | ||
416 | if (vp->v_vfsp->vfs_fstype != zfsfstype || | |
417 | (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), | |
418 | zc->zc_name) != 0)) { | |
419 | VN_RELE(vp); | |
420 | return (EPERM); | |
421 | } | |
422 | ||
423 | VN_RELE(vp); | |
424 | return (dsl_deleg_access(zc->zc_name, | |
425 | ZFS_DELEG_PERM_SHARE, cr)); | |
426 | } | |
427 | ||
34dc7c2f BB |
428 | int |
429 | zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) | |
430 | { | |
431 | if (!INGLOBALZONE(curproc)) | |
432 | return (EPERM); | |
433 | ||
434 | if (secpolicy_nfs(cr) == 0) { | |
435 | return (0); | |
436 | } else { | |
9babb374 BB |
437 | return (zfs_secpolicy_deleg_share(zc, cr)); |
438 | } | |
439 | } | |
34dc7c2f | 440 | |
9babb374 BB |
441 | int |
442 | zfs_secpolicy_smb_acl(zfs_cmd_t *zc, cred_t *cr) | |
443 | { | |
444 | if (!INGLOBALZONE(curproc)) | |
445 | return (EPERM); | |
34dc7c2f | 446 | |
9babb374 BB |
447 | if (secpolicy_smb(cr) == 0) { |
448 | return (0); | |
449 | } else { | |
450 | return (zfs_secpolicy_deleg_share(zc, cr)); | |
34dc7c2f BB |
451 | } |
452 | } | |
453 | ||
454 | static int | |
455 | zfs_get_parent(const char *datasetname, char *parent, int parentsize) | |
456 | { | |
457 | char *cp; | |
458 | ||
459 | /* | |
460 | * Remove the @bla or /bla from the end of the name to get the parent. | |
461 | */ | |
462 | (void) strncpy(parent, datasetname, parentsize); | |
463 | cp = strrchr(parent, '@'); | |
464 | if (cp != NULL) { | |
465 | cp[0] = '\0'; | |
466 | } else { | |
467 | cp = strrchr(parent, '/'); | |
468 | if (cp == NULL) | |
469 | return (ENOENT); | |
470 | cp[0] = '\0'; | |
471 | } | |
472 | ||
473 | return (0); | |
474 | } | |
475 | ||
476 | int | |
477 | zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) | |
478 | { | |
479 | int error; | |
480 | ||
481 | if ((error = zfs_secpolicy_write_perms(name, | |
482 | ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
483 | return (error); | |
484 | ||
485 | return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); | |
486 | } | |
487 | ||
488 | static int | |
489 | zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) | |
490 | { | |
491 | return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); | |
492 | } | |
493 | ||
494 | /* | |
495 | * Must have sys_config privilege to check the iscsi permission | |
496 | */ | |
497 | /* ARGSUSED */ | |
498 | static int | |
499 | zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) | |
500 | { | |
501 | return (secpolicy_zfs(cr)); | |
502 | } | |
503 | ||
504 | int | |
505 | zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) | |
506 | { | |
507 | char parentname[MAXNAMELEN]; | |
508 | int error; | |
509 | ||
510 | if ((error = zfs_secpolicy_write_perms(from, | |
511 | ZFS_DELEG_PERM_RENAME, cr)) != 0) | |
512 | return (error); | |
513 | ||
514 | if ((error = zfs_secpolicy_write_perms(from, | |
515 | ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
516 | return (error); | |
517 | ||
518 | if ((error = zfs_get_parent(to, parentname, | |
519 | sizeof (parentname))) != 0) | |
520 | return (error); | |
521 | ||
522 | if ((error = zfs_secpolicy_write_perms(parentname, | |
523 | ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
524 | return (error); | |
525 | ||
526 | if ((error = zfs_secpolicy_write_perms(parentname, | |
527 | ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
528 | return (error); | |
529 | ||
530 | return (error); | |
531 | } | |
532 | ||
533 | static int | |
534 | zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) | |
535 | { | |
536 | return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); | |
537 | } | |
538 | ||
539 | static int | |
540 | zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) | |
541 | { | |
542 | char parentname[MAXNAMELEN]; | |
543 | objset_t *clone; | |
544 | int error; | |
545 | ||
546 | error = zfs_secpolicy_write_perms(zc->zc_name, | |
547 | ZFS_DELEG_PERM_PROMOTE, cr); | |
548 | if (error) | |
549 | return (error); | |
550 | ||
551 | error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
b128c09f | 552 | DS_MODE_USER | DS_MODE_READONLY, &clone); |
34dc7c2f BB |
553 | |
554 | if (error == 0) { | |
555 | dsl_dataset_t *pclone = NULL; | |
556 | dsl_dir_t *dd; | |
557 | dd = clone->os->os_dsl_dataset->ds_dir; | |
558 | ||
559 | rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); | |
b128c09f BB |
560 | error = dsl_dataset_hold_obj(dd->dd_pool, |
561 | dd->dd_phys->dd_origin_obj, FTAG, &pclone); | |
34dc7c2f BB |
562 | rw_exit(&dd->dd_pool->dp_config_rwlock); |
563 | if (error) { | |
564 | dmu_objset_close(clone); | |
565 | return (error); | |
566 | } | |
567 | ||
568 | error = zfs_secpolicy_write_perms(zc->zc_name, | |
569 | ZFS_DELEG_PERM_MOUNT, cr); | |
570 | ||
571 | dsl_dataset_name(pclone, parentname); | |
572 | dmu_objset_close(clone); | |
b128c09f | 573 | dsl_dataset_rele(pclone, FTAG); |
34dc7c2f BB |
574 | if (error == 0) |
575 | error = zfs_secpolicy_write_perms(parentname, | |
576 | ZFS_DELEG_PERM_PROMOTE, cr); | |
577 | } | |
578 | return (error); | |
579 | } | |
580 | ||
581 | static int | |
582 | zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) | |
583 | { | |
584 | int error; | |
585 | ||
586 | if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
587 | ZFS_DELEG_PERM_RECEIVE, cr)) != 0) | |
588 | return (error); | |
589 | ||
590 | if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
591 | ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
592 | return (error); | |
593 | ||
594 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
595 | ZFS_DELEG_PERM_CREATE, cr)); | |
596 | } | |
597 | ||
598 | int | |
599 | zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) | |
600 | { | |
601 | int error; | |
602 | ||
603 | if ((error = zfs_secpolicy_write_perms(name, | |
604 | ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0) | |
605 | return (error); | |
606 | ||
607 | error = zfs_secpolicy_write_perms(name, | |
608 | ZFS_DELEG_PERM_MOUNT, cr); | |
609 | ||
610 | return (error); | |
611 | } | |
612 | ||
613 | static int | |
614 | zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) | |
615 | { | |
616 | ||
617 | return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); | |
618 | } | |
619 | ||
620 | static int | |
621 | zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) | |
622 | { | |
623 | char parentname[MAXNAMELEN]; | |
624 | int error; | |
625 | ||
626 | if ((error = zfs_get_parent(zc->zc_name, parentname, | |
627 | sizeof (parentname))) != 0) | |
628 | return (error); | |
629 | ||
630 | if (zc->zc_value[0] != '\0') { | |
631 | if ((error = zfs_secpolicy_write_perms(zc->zc_value, | |
632 | ZFS_DELEG_PERM_CLONE, cr)) != 0) | |
633 | return (error); | |
634 | } | |
635 | ||
636 | if ((error = zfs_secpolicy_write_perms(parentname, | |
637 | ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
638 | return (error); | |
639 | ||
640 | error = zfs_secpolicy_write_perms(parentname, | |
641 | ZFS_DELEG_PERM_MOUNT, cr); | |
642 | ||
643 | return (error); | |
644 | } | |
645 | ||
646 | static int | |
647 | zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) | |
648 | { | |
649 | int error; | |
650 | ||
651 | error = secpolicy_fs_unmount(cr, NULL); | |
652 | if (error) { | |
653 | error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); | |
654 | } | |
655 | return (error); | |
656 | } | |
657 | ||
658 | /* | |
659 | * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires | |
660 | * SYS_CONFIG privilege, which is not available in a local zone. | |
661 | */ | |
662 | /* ARGSUSED */ | |
663 | static int | |
664 | zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) | |
665 | { | |
666 | if (secpolicy_sys_config(cr, B_FALSE) != 0) | |
667 | return (EPERM); | |
668 | ||
669 | return (0); | |
670 | } | |
671 | ||
672 | /* | |
673 | * Just like zfs_secpolicy_config, except that we will check for | |
674 | * mount permission on the dataset for permission to create/remove | |
675 | * the minor nodes. | |
676 | */ | |
677 | static int | |
678 | zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr) | |
679 | { | |
680 | if (secpolicy_sys_config(cr, B_FALSE) != 0) { | |
681 | return (dsl_deleg_access(zc->zc_name, | |
682 | ZFS_DELEG_PERM_MOUNT, cr)); | |
683 | } | |
684 | ||
685 | return (0); | |
686 | } | |
687 | ||
688 | /* | |
689 | * Policy for fault injection. Requires all privileges. | |
690 | */ | |
691 | /* ARGSUSED */ | |
692 | static int | |
693 | zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) | |
694 | { | |
695 | return (secpolicy_zinject(cr)); | |
696 | } | |
697 | ||
698 | static int | |
699 | zfs_secpolicy_inherit(zfs_cmd_t *zc, cred_t *cr) | |
700 | { | |
701 | zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); | |
702 | ||
703 | if (prop == ZPROP_INVAL) { | |
704 | if (!zfs_prop_user(zc->zc_value)) | |
705 | return (EINVAL); | |
706 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
707 | ZFS_DELEG_PERM_USERPROP, cr)); | |
708 | } else { | |
709 | if (!zfs_prop_inheritable(prop)) | |
710 | return (EINVAL); | |
711 | return (zfs_secpolicy_setprop(zc->zc_name, prop, cr)); | |
712 | } | |
713 | } | |
714 | ||
9babb374 BB |
715 | static int |
716 | zfs_secpolicy_userspace_one(zfs_cmd_t *zc, cred_t *cr) | |
717 | { | |
718 | int err = zfs_secpolicy_read(zc, cr); | |
719 | if (err) | |
720 | return (err); | |
721 | ||
722 | if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) | |
723 | return (EINVAL); | |
724 | ||
725 | if (zc->zc_value[0] == 0) { | |
726 | /* | |
727 | * They are asking about a posix uid/gid. If it's | |
728 | * themself, allow it. | |
729 | */ | |
730 | if (zc->zc_objset_type == ZFS_PROP_USERUSED || | |
731 | zc->zc_objset_type == ZFS_PROP_USERQUOTA) { | |
732 | if (zc->zc_guid == crgetuid(cr)) | |
733 | return (0); | |
734 | } else { | |
735 | if (groupmember(zc->zc_guid, cr)) | |
736 | return (0); | |
737 | } | |
738 | } | |
739 | ||
740 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
741 | userquota_perms[zc->zc_objset_type], cr)); | |
742 | } | |
743 | ||
744 | static int | |
745 | zfs_secpolicy_userspace_many(zfs_cmd_t *zc, cred_t *cr) | |
746 | { | |
747 | int err = zfs_secpolicy_read(zc, cr); | |
748 | if (err) | |
749 | return (err); | |
750 | ||
751 | if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) | |
752 | return (EINVAL); | |
753 | ||
754 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
755 | userquota_perms[zc->zc_objset_type], cr)); | |
756 | } | |
757 | ||
758 | static int | |
759 | zfs_secpolicy_userspace_upgrade(zfs_cmd_t *zc, cred_t *cr) | |
760 | { | |
761 | return (zfs_secpolicy_setprop(zc->zc_name, ZFS_PROP_VERSION, cr)); | |
762 | } | |
763 | ||
45d1cae3 BB |
764 | static int |
765 | zfs_secpolicy_hold(zfs_cmd_t *zc, cred_t *cr) | |
766 | { | |
767 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
768 | ZFS_DELEG_PERM_HOLD, cr)); | |
769 | } | |
770 | ||
771 | static int | |
772 | zfs_secpolicy_release(zfs_cmd_t *zc, cred_t *cr) | |
773 | { | |
774 | return (zfs_secpolicy_write_perms(zc->zc_name, | |
775 | ZFS_DELEG_PERM_RELEASE, cr)); | |
776 | } | |
777 | ||
34dc7c2f BB |
778 | /* |
779 | * Returns the nvlist as specified by the user in the zfs_cmd_t. | |
780 | */ | |
781 | static int | |
9babb374 | 782 | get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp) |
34dc7c2f BB |
783 | { |
784 | char *packed; | |
785 | int error; | |
786 | nvlist_t *list = NULL; | |
787 | ||
788 | /* | |
789 | * Read in and unpack the user-supplied nvlist. | |
790 | */ | |
791 | if (size == 0) | |
792 | return (EINVAL); | |
793 | ||
794 | packed = kmem_alloc(size, KM_SLEEP); | |
795 | ||
9babb374 BB |
796 | if ((error = ddi_copyin((void *)(uintptr_t)nvl, packed, size, |
797 | iflag)) != 0) { | |
34dc7c2f BB |
798 | kmem_free(packed, size); |
799 | return (error); | |
800 | } | |
801 | ||
802 | if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { | |
803 | kmem_free(packed, size); | |
804 | return (error); | |
805 | } | |
806 | ||
807 | kmem_free(packed, size); | |
808 | ||
809 | *nvp = list; | |
810 | return (0); | |
811 | } | |
812 | ||
813 | static int | |
814 | put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) | |
815 | { | |
816 | char *packed = NULL; | |
817 | size_t size; | |
818 | int error; | |
819 | ||
820 | VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); | |
821 | ||
822 | if (size > zc->zc_nvlist_dst_size) { | |
823 | error = ENOMEM; | |
824 | } else { | |
825 | packed = kmem_alloc(size, KM_SLEEP); | |
826 | VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, | |
827 | KM_SLEEP) == 0); | |
9babb374 BB |
828 | error = ddi_copyout(packed, |
829 | (void *)(uintptr_t)zc->zc_nvlist_dst, size, zc->zc_iflags); | |
34dc7c2f BB |
830 | kmem_free(packed, size); |
831 | } | |
832 | ||
833 | zc->zc_nvlist_dst_size = size; | |
834 | return (error); | |
835 | } | |
836 | ||
9babb374 BB |
837 | static int |
838 | getzfsvfs(const char *dsname, zfsvfs_t **zvp) | |
839 | { | |
840 | objset_t *os; | |
841 | int error; | |
842 | ||
843 | error = dmu_objset_open(dsname, DMU_OST_ZFS, | |
844 | DS_MODE_USER | DS_MODE_READONLY, &os); | |
845 | if (error) | |
846 | return (error); | |
847 | ||
848 | mutex_enter(&os->os->os_user_ptr_lock); | |
849 | *zvp = dmu_objset_get_user(os); | |
850 | if (*zvp) { | |
851 | VFS_HOLD((*zvp)->z_vfs); | |
852 | } else { | |
853 | error = ESRCH; | |
854 | } | |
855 | mutex_exit(&os->os->os_user_ptr_lock); | |
856 | dmu_objset_close(os); | |
857 | return (error); | |
858 | } | |
859 | ||
860 | /* | |
861 | * Find a zfsvfs_t for a mounted filesystem, or create our own, in which | |
862 | * case its z_vfs will be NULL, and it will be opened as the owner. | |
863 | */ | |
864 | static int | |
865 | zfsvfs_hold(const char *name, boolean_t readonly, void *tag, zfsvfs_t **zvp) | |
866 | { | |
867 | int error = 0; | |
868 | int mode = DS_MODE_OWNER | (readonly ? DS_MODE_READONLY : 0); | |
869 | ||
870 | if (getzfsvfs(name, zvp) != 0) | |
871 | error = zfsvfs_create(name, mode, zvp); | |
872 | if (error == 0) { | |
873 | rrw_enter(&(*zvp)->z_teardown_lock, RW_READER, tag); | |
874 | if ((*zvp)->z_unmounted) { | |
875 | /* | |
876 | * XXX we could probably try again, since the unmounting | |
877 | * thread should be just about to disassociate the | |
878 | * objset from the zfsvfs. | |
879 | */ | |
880 | rrw_exit(&(*zvp)->z_teardown_lock, tag); | |
881 | return (EBUSY); | |
882 | } | |
883 | } | |
884 | return (error); | |
885 | } | |
886 | ||
887 | static void | |
888 | zfsvfs_rele(zfsvfs_t *zfsvfs, void *tag) | |
889 | { | |
890 | rrw_exit(&zfsvfs->z_teardown_lock, tag); | |
891 | ||
892 | if (zfsvfs->z_vfs) { | |
893 | VFS_RELE(zfsvfs->z_vfs); | |
894 | } else { | |
895 | dmu_objset_close(zfsvfs->z_os); | |
896 | zfsvfs_free(zfsvfs); | |
897 | } | |
898 | } | |
899 | ||
34dc7c2f BB |
900 | static int |
901 | zfs_ioc_pool_create(zfs_cmd_t *zc) | |
902 | { | |
903 | int error; | |
904 | nvlist_t *config, *props = NULL; | |
b128c09f BB |
905 | nvlist_t *rootprops = NULL; |
906 | nvlist_t *zplprops = NULL; | |
34dc7c2f BB |
907 | char *buf; |
908 | ||
909 | if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 910 | zc->zc_iflags, &config)) |
34dc7c2f BB |
911 | return (error); |
912 | ||
913 | if (zc->zc_nvlist_src_size != 0 && (error = | |
9babb374 BB |
914 | get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
915 | zc->zc_iflags, &props))) { | |
34dc7c2f BB |
916 | nvlist_free(config); |
917 | return (error); | |
918 | } | |
919 | ||
b128c09f BB |
920 | if (props) { |
921 | nvlist_t *nvl = NULL; | |
922 | uint64_t version = SPA_VERSION; | |
923 | ||
924 | (void) nvlist_lookup_uint64(props, | |
925 | zpool_prop_to_name(ZPOOL_PROP_VERSION), &version); | |
926 | if (version < SPA_VERSION_INITIAL || version > SPA_VERSION) { | |
927 | error = EINVAL; | |
928 | goto pool_props_bad; | |
929 | } | |
930 | (void) nvlist_lookup_nvlist(props, ZPOOL_ROOTFS_PROPS, &nvl); | |
931 | if (nvl) { | |
932 | error = nvlist_dup(nvl, &rootprops, KM_SLEEP); | |
933 | if (error != 0) { | |
934 | nvlist_free(config); | |
935 | nvlist_free(props); | |
936 | return (error); | |
937 | } | |
938 | (void) nvlist_remove_all(props, ZPOOL_ROOTFS_PROPS); | |
939 | } | |
940 | VERIFY(nvlist_alloc(&zplprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
941 | error = zfs_fill_zplprops_root(version, rootprops, | |
942 | zplprops, NULL); | |
943 | if (error) | |
944 | goto pool_props_bad; | |
945 | } | |
946 | ||
34dc7c2f BB |
947 | buf = history_str_get(zc); |
948 | ||
b128c09f BB |
949 | error = spa_create(zc->zc_name, config, props, buf, zplprops); |
950 | ||
951 | /* | |
952 | * Set the remaining root properties | |
953 | */ | |
954 | if (!error && | |
955 | (error = zfs_set_prop_nvlist(zc->zc_name, rootprops)) != 0) | |
956 | (void) spa_destroy(zc->zc_name); | |
34dc7c2f BB |
957 | |
958 | if (buf != NULL) | |
959 | history_str_free(buf); | |
960 | ||
b128c09f BB |
961 | pool_props_bad: |
962 | nvlist_free(rootprops); | |
963 | nvlist_free(zplprops); | |
34dc7c2f | 964 | nvlist_free(config); |
b128c09f | 965 | nvlist_free(props); |
34dc7c2f BB |
966 | |
967 | return (error); | |
968 | } | |
969 | ||
970 | static int | |
971 | zfs_ioc_pool_destroy(zfs_cmd_t *zc) | |
972 | { | |
973 | int error; | |
974 | zfs_log_history(zc); | |
975 | error = spa_destroy(zc->zc_name); | |
976 | return (error); | |
977 | } | |
978 | ||
979 | static int | |
980 | zfs_ioc_pool_import(zfs_cmd_t *zc) | |
981 | { | |
982 | int error; | |
983 | nvlist_t *config, *props = NULL; | |
984 | uint64_t guid; | |
985 | ||
986 | if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 987 | zc->zc_iflags, &config)) != 0) |
34dc7c2f BB |
988 | return (error); |
989 | ||
990 | if (zc->zc_nvlist_src_size != 0 && (error = | |
9babb374 BB |
991 | get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
992 | zc->zc_iflags, &props))) { | |
34dc7c2f BB |
993 | nvlist_free(config); |
994 | return (error); | |
995 | } | |
996 | ||
997 | if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || | |
998 | guid != zc->zc_guid) | |
999 | error = EINVAL; | |
b128c09f | 1000 | else if (zc->zc_cookie) |
9babb374 | 1001 | error = spa_import_verbatim(zc->zc_name, config, |
b128c09f | 1002 | props); |
34dc7c2f BB |
1003 | else |
1004 | error = spa_import(zc->zc_name, config, props); | |
1005 | ||
1006 | nvlist_free(config); | |
1007 | ||
1008 | if (props) | |
1009 | nvlist_free(props); | |
1010 | ||
1011 | return (error); | |
1012 | } | |
1013 | ||
1014 | static int | |
1015 | zfs_ioc_pool_export(zfs_cmd_t *zc) | |
1016 | { | |
1017 | int error; | |
b128c09f | 1018 | boolean_t force = (boolean_t)zc->zc_cookie; |
fb5f0bc8 | 1019 | boolean_t hardforce = (boolean_t)zc->zc_guid; |
b128c09f | 1020 | |
34dc7c2f | 1021 | zfs_log_history(zc); |
fb5f0bc8 | 1022 | error = spa_export(zc->zc_name, NULL, force, hardforce); |
34dc7c2f BB |
1023 | return (error); |
1024 | } | |
1025 | ||
1026 | static int | |
1027 | zfs_ioc_pool_configs(zfs_cmd_t *zc) | |
1028 | { | |
1029 | nvlist_t *configs; | |
1030 | int error; | |
1031 | ||
1032 | if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) | |
1033 | return (EEXIST); | |
1034 | ||
1035 | error = put_nvlist(zc, configs); | |
1036 | ||
1037 | nvlist_free(configs); | |
1038 | ||
1039 | return (error); | |
1040 | } | |
1041 | ||
1042 | static int | |
1043 | zfs_ioc_pool_stats(zfs_cmd_t *zc) | |
1044 | { | |
1045 | nvlist_t *config; | |
1046 | int error; | |
1047 | int ret = 0; | |
1048 | ||
1049 | error = spa_get_stats(zc->zc_name, &config, zc->zc_value, | |
1050 | sizeof (zc->zc_value)); | |
1051 | ||
1052 | if (config != NULL) { | |
1053 | ret = put_nvlist(zc, config); | |
1054 | nvlist_free(config); | |
1055 | ||
1056 | /* | |
1057 | * The config may be present even if 'error' is non-zero. | |
1058 | * In this case we return success, and preserve the real errno | |
1059 | * in 'zc_cookie'. | |
1060 | */ | |
1061 | zc->zc_cookie = error; | |
1062 | } else { | |
1063 | ret = error; | |
1064 | } | |
1065 | ||
1066 | return (ret); | |
1067 | } | |
1068 | ||
1069 | /* | |
1070 | * Try to import the given pool, returning pool stats as appropriate so that | |
1071 | * user land knows which devices are available and overall pool health. | |
1072 | */ | |
1073 | static int | |
1074 | zfs_ioc_pool_tryimport(zfs_cmd_t *zc) | |
1075 | { | |
1076 | nvlist_t *tryconfig, *config; | |
1077 | int error; | |
1078 | ||
1079 | if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 1080 | zc->zc_iflags, &tryconfig)) != 0) |
34dc7c2f BB |
1081 | return (error); |
1082 | ||
1083 | config = spa_tryimport(tryconfig); | |
1084 | ||
1085 | nvlist_free(tryconfig); | |
1086 | ||
1087 | if (config == NULL) | |
1088 | return (EINVAL); | |
1089 | ||
1090 | error = put_nvlist(zc, config); | |
1091 | nvlist_free(config); | |
1092 | ||
1093 | return (error); | |
1094 | } | |
1095 | ||
1096 | static int | |
1097 | zfs_ioc_pool_scrub(zfs_cmd_t *zc) | |
1098 | { | |
1099 | spa_t *spa; | |
1100 | int error; | |
1101 | ||
1102 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1103 | return (error); | |
1104 | ||
b128c09f | 1105 | error = spa_scrub(spa, zc->zc_cookie); |
34dc7c2f BB |
1106 | |
1107 | spa_close(spa, FTAG); | |
1108 | ||
1109 | return (error); | |
1110 | } | |
1111 | ||
1112 | static int | |
1113 | zfs_ioc_pool_freeze(zfs_cmd_t *zc) | |
1114 | { | |
1115 | spa_t *spa; | |
1116 | int error; | |
1117 | ||
1118 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1119 | if (error == 0) { | |
1120 | spa_freeze(spa); | |
1121 | spa_close(spa, FTAG); | |
1122 | } | |
1123 | return (error); | |
1124 | } | |
1125 | ||
1126 | static int | |
1127 | zfs_ioc_pool_upgrade(zfs_cmd_t *zc) | |
1128 | { | |
1129 | spa_t *spa; | |
1130 | int error; | |
1131 | ||
1132 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1133 | return (error); | |
1134 | ||
1135 | if (zc->zc_cookie < spa_version(spa) || zc->zc_cookie > SPA_VERSION) { | |
1136 | spa_close(spa, FTAG); | |
1137 | return (EINVAL); | |
1138 | } | |
1139 | ||
1140 | spa_upgrade(spa, zc->zc_cookie); | |
1141 | spa_close(spa, FTAG); | |
1142 | ||
1143 | return (error); | |
1144 | } | |
1145 | ||
1146 | static int | |
1147 | zfs_ioc_pool_get_history(zfs_cmd_t *zc) | |
1148 | { | |
1149 | spa_t *spa; | |
1150 | char *hist_buf; | |
1151 | uint64_t size; | |
1152 | int error; | |
1153 | ||
1154 | if ((size = zc->zc_history_len) == 0) | |
1155 | return (EINVAL); | |
1156 | ||
1157 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1158 | return (error); | |
1159 | ||
1160 | if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { | |
1161 | spa_close(spa, FTAG); | |
1162 | return (ENOTSUP); | |
1163 | } | |
1164 | ||
1165 | hist_buf = kmem_alloc(size, KM_SLEEP); | |
1166 | if ((error = spa_history_get(spa, &zc->zc_history_offset, | |
1167 | &zc->zc_history_len, hist_buf)) == 0) { | |
9babb374 BB |
1168 | error = ddi_copyout(hist_buf, |
1169 | (void *)(uintptr_t)zc->zc_history, | |
1170 | zc->zc_history_len, zc->zc_iflags); | |
34dc7c2f BB |
1171 | } |
1172 | ||
1173 | spa_close(spa, FTAG); | |
1174 | kmem_free(hist_buf, size); | |
1175 | return (error); | |
1176 | } | |
1177 | ||
1178 | static int | |
1179 | zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) | |
1180 | { | |
1181 | int error; | |
1182 | ||
1183 | if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) | |
1184 | return (error); | |
1185 | ||
1186 | return (0); | |
1187 | } | |
1188 | ||
1189 | static int | |
1190 | zfs_ioc_obj_to_path(zfs_cmd_t *zc) | |
1191 | { | |
1192 | objset_t *osp; | |
1193 | int error; | |
1194 | ||
1195 | if ((error = dmu_objset_open(zc->zc_name, DMU_OST_ZFS, | |
b128c09f | 1196 | DS_MODE_USER | DS_MODE_READONLY, &osp)) != 0) |
34dc7c2f | 1197 | return (error); |
34dc7c2f BB |
1198 | error = zfs_obj_to_path(osp, zc->zc_obj, zc->zc_value, |
1199 | sizeof (zc->zc_value)); | |
1200 | dmu_objset_close(osp); | |
1201 | ||
1202 | return (error); | |
1203 | } | |
1204 | ||
1205 | static int | |
1206 | zfs_ioc_vdev_add(zfs_cmd_t *zc) | |
1207 | { | |
1208 | spa_t *spa; | |
1209 | int error; | |
1210 | nvlist_t *config, **l2cache, **spares; | |
1211 | uint_t nl2cache = 0, nspares = 0; | |
1212 | ||
1213 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1214 | if (error != 0) | |
1215 | return (error); | |
1216 | ||
1217 | error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 1218 | zc->zc_iflags, &config); |
34dc7c2f BB |
1219 | (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_L2CACHE, |
1220 | &l2cache, &nl2cache); | |
1221 | ||
1222 | (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_SPARES, | |
1223 | &spares, &nspares); | |
1224 | ||
1225 | /* | |
1226 | * A root pool with concatenated devices is not supported. | |
1227 | * Thus, can not add a device to a root pool. | |
1228 | * | |
1229 | * Intent log device can not be added to a rootpool because | |
1230 | * during mountroot, zil is replayed, a seperated log device | |
1231 | * can not be accessed during the mountroot time. | |
1232 | * | |
1233 | * l2cache and spare devices are ok to be added to a rootpool. | |
1234 | */ | |
1235 | if (spa->spa_bootfs != 0 && nl2cache == 0 && nspares == 0) { | |
1236 | spa_close(spa, FTAG); | |
1237 | return (EDOM); | |
1238 | } | |
1239 | ||
1240 | if (error == 0) { | |
1241 | error = spa_vdev_add(spa, config); | |
1242 | nvlist_free(config); | |
1243 | } | |
1244 | spa_close(spa, FTAG); | |
1245 | return (error); | |
1246 | } | |
1247 | ||
1248 | static int | |
1249 | zfs_ioc_vdev_remove(zfs_cmd_t *zc) | |
1250 | { | |
1251 | spa_t *spa; | |
1252 | int error; | |
1253 | ||
1254 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1255 | if (error != 0) | |
1256 | return (error); | |
1257 | error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); | |
1258 | spa_close(spa, FTAG); | |
1259 | return (error); | |
1260 | } | |
1261 | ||
1262 | static int | |
1263 | zfs_ioc_vdev_set_state(zfs_cmd_t *zc) | |
1264 | { | |
1265 | spa_t *spa; | |
1266 | int error; | |
1267 | vdev_state_t newstate = VDEV_STATE_UNKNOWN; | |
1268 | ||
1269 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1270 | return (error); | |
1271 | switch (zc->zc_cookie) { | |
1272 | case VDEV_STATE_ONLINE: | |
1273 | error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); | |
1274 | break; | |
1275 | ||
1276 | case VDEV_STATE_OFFLINE: | |
1277 | error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); | |
1278 | break; | |
1279 | ||
1280 | case VDEV_STATE_FAULTED: | |
1281 | error = vdev_fault(spa, zc->zc_guid); | |
1282 | break; | |
1283 | ||
1284 | case VDEV_STATE_DEGRADED: | |
1285 | error = vdev_degrade(spa, zc->zc_guid); | |
1286 | break; | |
1287 | ||
1288 | default: | |
1289 | error = EINVAL; | |
1290 | } | |
1291 | zc->zc_cookie = newstate; | |
1292 | spa_close(spa, FTAG); | |
1293 | return (error); | |
1294 | } | |
1295 | ||
1296 | static int | |
1297 | zfs_ioc_vdev_attach(zfs_cmd_t *zc) | |
1298 | { | |
1299 | spa_t *spa; | |
1300 | int replacing = zc->zc_cookie; | |
1301 | nvlist_t *config; | |
1302 | int error; | |
1303 | ||
1304 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1305 | return (error); | |
1306 | ||
1307 | if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, | |
9babb374 | 1308 | zc->zc_iflags, &config)) == 0) { |
34dc7c2f BB |
1309 | error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); |
1310 | nvlist_free(config); | |
1311 | } | |
1312 | ||
1313 | spa_close(spa, FTAG); | |
1314 | return (error); | |
1315 | } | |
1316 | ||
1317 | static int | |
1318 | zfs_ioc_vdev_detach(zfs_cmd_t *zc) | |
1319 | { | |
1320 | spa_t *spa; | |
1321 | int error; | |
1322 | ||
1323 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
1324 | return (error); | |
1325 | ||
fb5f0bc8 | 1326 | error = spa_vdev_detach(spa, zc->zc_guid, 0, B_FALSE); |
34dc7c2f BB |
1327 | |
1328 | spa_close(spa, FTAG); | |
1329 | return (error); | |
1330 | } | |
1331 | ||
1332 | static int | |
1333 | zfs_ioc_vdev_setpath(zfs_cmd_t *zc) | |
1334 | { | |
1335 | spa_t *spa; | |
1336 | char *path = zc->zc_value; | |
1337 | uint64_t guid = zc->zc_guid; | |
1338 | int error; | |
1339 | ||
1340 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1341 | if (error != 0) | |
1342 | return (error); | |
1343 | ||
1344 | error = spa_vdev_setpath(spa, guid, path); | |
1345 | spa_close(spa, FTAG); | |
1346 | return (error); | |
1347 | } | |
1348 | ||
9babb374 BB |
1349 | static int |
1350 | zfs_ioc_vdev_setfru(zfs_cmd_t *zc) | |
1351 | { | |
1352 | spa_t *spa; | |
1353 | char *fru = zc->zc_value; | |
1354 | uint64_t guid = zc->zc_guid; | |
1355 | int error; | |
1356 | ||
1357 | error = spa_open(zc->zc_name, &spa, FTAG); | |
1358 | if (error != 0) | |
1359 | return (error); | |
1360 | ||
1361 | error = spa_vdev_setfru(spa, guid, fru); | |
1362 | spa_close(spa, FTAG); | |
1363 | return (error); | |
1364 | } | |
1365 | ||
34dc7c2f BB |
1366 | /* |
1367 | * inputs: | |
1368 | * zc_name name of filesystem | |
1369 | * zc_nvlist_dst_size size of buffer for property nvlist | |
1370 | * | |
1371 | * outputs: | |
1372 | * zc_objset_stats stats | |
1373 | * zc_nvlist_dst property nvlist | |
1374 | * zc_nvlist_dst_size size of property nvlist | |
34dc7c2f BB |
1375 | */ |
1376 | static int | |
1377 | zfs_ioc_objset_stats(zfs_cmd_t *zc) | |
1378 | { | |
1379 | objset_t *os = NULL; | |
1380 | int error; | |
1381 | nvlist_t *nv; | |
1382 | ||
b128c09f BB |
1383 | if (error = dmu_objset_open(zc->zc_name, |
1384 | DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os)) | |
34dc7c2f BB |
1385 | return (error); |
1386 | ||
1387 | dmu_objset_fast_stat(os, &zc->zc_objset_stats); | |
1388 | ||
1389 | if (zc->zc_nvlist_dst != 0 && | |
b128c09f | 1390 | (error = dsl_prop_get_all(os, &nv, FALSE)) == 0) { |
34dc7c2f BB |
1391 | dmu_objset_stats(os, nv); |
1392 | /* | |
1393 | * NB: zvol_get_stats() will read the objset contents, | |
1394 | * which we aren't supposed to do with a | |
b128c09f | 1395 | * DS_MODE_USER hold, because it could be |
34dc7c2f BB |
1396 | * inconsistent. So this is a bit of a workaround... |
1397 | */ | |
1398 | if (!zc->zc_objset_stats.dds_inconsistent) { | |
1399 | if (dmu_objset_type(os) == DMU_OST_ZVOL) | |
1400 | VERIFY(zvol_get_stats(os, nv) == 0); | |
1401 | } | |
1402 | error = put_nvlist(zc, nv); | |
1403 | nvlist_free(nv); | |
1404 | } | |
1405 | ||
34dc7c2f BB |
1406 | dmu_objset_close(os); |
1407 | return (error); | |
1408 | } | |
1409 | ||
1410 | static int | |
1411 | nvl_add_zplprop(objset_t *os, nvlist_t *props, zfs_prop_t prop) | |
1412 | { | |
1413 | uint64_t value; | |
1414 | int error; | |
1415 | ||
1416 | /* | |
1417 | * zfs_get_zplprop() will either find a value or give us | |
1418 | * the default value (if there is one). | |
1419 | */ | |
1420 | if ((error = zfs_get_zplprop(os, prop, &value)) != 0) | |
1421 | return (error); | |
1422 | VERIFY(nvlist_add_uint64(props, zfs_prop_to_name(prop), value) == 0); | |
1423 | return (0); | |
1424 | } | |
1425 | ||
1426 | /* | |
1427 | * inputs: | |
1428 | * zc_name name of filesystem | |
1429 | * zc_nvlist_dst_size size of buffer for zpl property nvlist | |
1430 | * | |
1431 | * outputs: | |
1432 | * zc_nvlist_dst zpl property nvlist | |
1433 | * zc_nvlist_dst_size size of zpl property nvlist | |
1434 | */ | |
1435 | static int | |
1436 | zfs_ioc_objset_zplprops(zfs_cmd_t *zc) | |
1437 | { | |
1438 | objset_t *os; | |
1439 | int err; | |
1440 | ||
b128c09f BB |
1441 | if (err = dmu_objset_open(zc->zc_name, |
1442 | DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os)) | |
34dc7c2f BB |
1443 | return (err); |
1444 | ||
1445 | dmu_objset_fast_stat(os, &zc->zc_objset_stats); | |
1446 | ||
1447 | /* | |
1448 | * NB: nvl_add_zplprop() will read the objset contents, | |
b128c09f BB |
1449 | * which we aren't supposed to do with a DS_MODE_USER |
1450 | * hold, because it could be inconsistent. | |
34dc7c2f BB |
1451 | */ |
1452 | if (zc->zc_nvlist_dst != NULL && | |
1453 | !zc->zc_objset_stats.dds_inconsistent && | |
1454 | dmu_objset_type(os) == DMU_OST_ZFS) { | |
1455 | nvlist_t *nv; | |
1456 | ||
1457 | VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
1458 | if ((err = nvl_add_zplprop(os, nv, ZFS_PROP_VERSION)) == 0 && | |
1459 | (err = nvl_add_zplprop(os, nv, ZFS_PROP_NORMALIZE)) == 0 && | |
1460 | (err = nvl_add_zplprop(os, nv, ZFS_PROP_UTF8ONLY)) == 0 && | |
1461 | (err = nvl_add_zplprop(os, nv, ZFS_PROP_CASE)) == 0) | |
1462 | err = put_nvlist(zc, nv); | |
1463 | nvlist_free(nv); | |
1464 | } else { | |
1465 | err = ENOENT; | |
1466 | } | |
1467 | dmu_objset_close(os); | |
1468 | return (err); | |
1469 | } | |
1470 | ||
9babb374 BB |
1471 | static boolean_t |
1472 | dataset_name_hidden(const char *name) | |
1473 | { | |
1474 | /* | |
1475 | * Skip over datasets that are not visible in this zone, | |
1476 | * internal datasets (which have a $ in their name), and | |
1477 | * temporary datasets (which have a % in their name). | |
1478 | */ | |
1479 | if (strchr(name, '$') != NULL) | |
1480 | return (B_TRUE); | |
1481 | if (strchr(name, '%') != NULL) | |
1482 | return (B_TRUE); | |
1483 | if (!INGLOBALZONE(curproc) && !zone_dataset_visible(name, NULL)) | |
1484 | return (B_TRUE); | |
1485 | return (B_FALSE); | |
1486 | } | |
1487 | ||
34dc7c2f BB |
1488 | /* |
1489 | * inputs: | |
1490 | * zc_name name of filesystem | |
1491 | * zc_cookie zap cursor | |
1492 | * zc_nvlist_dst_size size of buffer for property nvlist | |
1493 | * | |
1494 | * outputs: | |
1495 | * zc_name name of next filesystem | |
9babb374 | 1496 | * zc_cookie zap cursor |
34dc7c2f BB |
1497 | * zc_objset_stats stats |
1498 | * zc_nvlist_dst property nvlist | |
1499 | * zc_nvlist_dst_size size of property nvlist | |
34dc7c2f BB |
1500 | */ |
1501 | static int | |
1502 | zfs_ioc_dataset_list_next(zfs_cmd_t *zc) | |
1503 | { | |
1504 | objset_t *os; | |
1505 | int error; | |
1506 | char *p; | |
1507 | ||
b128c09f BB |
1508 | if (error = dmu_objset_open(zc->zc_name, |
1509 | DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os)) { | |
34dc7c2f BB |
1510 | if (error == ENOENT) |
1511 | error = ESRCH; | |
1512 | return (error); | |
1513 | } | |
1514 | ||
1515 | p = strrchr(zc->zc_name, '/'); | |
1516 | if (p == NULL || p[1] != '\0') | |
1517 | (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); | |
1518 | p = zc->zc_name + strlen(zc->zc_name); | |
1519 | ||
9babb374 BB |
1520 | /* |
1521 | * Pre-fetch the datasets. dmu_objset_prefetch() always returns 0 | |
1522 | * but is not declared void because its called by dmu_objset_find(). | |
1523 | */ | |
d164b209 BB |
1524 | if (zc->zc_cookie == 0) { |
1525 | uint64_t cookie = 0; | |
1526 | int len = sizeof (zc->zc_name) - (p - zc->zc_name); | |
1527 | ||
1528 | while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0) | |
9babb374 | 1529 | (void) dmu_objset_prefetch(p, NULL); |
d164b209 BB |
1530 | } |
1531 | ||
34dc7c2f BB |
1532 | do { |
1533 | error = dmu_dir_list_next(os, | |
1534 | sizeof (zc->zc_name) - (p - zc->zc_name), p, | |
1535 | NULL, &zc->zc_cookie); | |
1536 | if (error == ENOENT) | |
1537 | error = ESRCH; | |
9babb374 | 1538 | } while (error == 0 && dataset_name_hidden(zc->zc_name)); |
b128c09f | 1539 | dmu_objset_close(os); |
34dc7c2f | 1540 | |
9babb374 | 1541 | if (error == 0) |
34dc7c2f BB |
1542 | error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
1543 | ||
34dc7c2f BB |
1544 | return (error); |
1545 | } | |
1546 | ||
1547 | /* | |
1548 | * inputs: | |
1549 | * zc_name name of filesystem | |
1550 | * zc_cookie zap cursor | |
1551 | * zc_nvlist_dst_size size of buffer for property nvlist | |
1552 | * | |
1553 | * outputs: | |
1554 | * zc_name name of next snapshot | |
1555 | * zc_objset_stats stats | |
1556 | * zc_nvlist_dst property nvlist | |
1557 | * zc_nvlist_dst_size size of property nvlist | |
34dc7c2f BB |
1558 | */ |
1559 | static int | |
1560 | zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) | |
1561 | { | |
1562 | objset_t *os; | |
1563 | int error; | |
1564 | ||
b128c09f BB |
1565 | error = dmu_objset_open(zc->zc_name, |
1566 | DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os); | |
1567 | if (error) | |
1568 | return (error == ENOENT ? ESRCH : error); | |
34dc7c2f | 1569 | |
9babb374 BB |
1570 | if (zc->zc_cookie == 0) { |
1571 | (void) dmu_objset_find(zc->zc_name, dmu_objset_prefetch, | |
d164b209 | 1572 | NULL, DS_FIND_SNAPSHOTS); |
9babb374 | 1573 | } |
34dc7c2f BB |
1574 | /* |
1575 | * A dataset name of maximum length cannot have any snapshots, | |
1576 | * so exit immediately. | |
1577 | */ | |
1578 | if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { | |
1579 | dmu_objset_close(os); | |
1580 | return (ESRCH); | |
1581 | } | |
1582 | ||
1583 | error = dmu_snapshot_list_next(os, | |
1584 | sizeof (zc->zc_name) - strlen(zc->zc_name), | |
1585 | zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie, NULL); | |
b128c09f | 1586 | dmu_objset_close(os); |
34dc7c2f BB |
1587 | if (error == 0) |
1588 | error = zfs_ioc_objset_stats(zc); /* fill in the stats */ | |
b128c09f BB |
1589 | else if (error == ENOENT) |
1590 | error = ESRCH; | |
34dc7c2f BB |
1591 | |
1592 | /* if we failed, undo the @ that we tacked on to zc_name */ | |
b128c09f | 1593 | if (error) |
34dc7c2f | 1594 | *strchr(zc->zc_name, '@') = '\0'; |
34dc7c2f BB |
1595 | return (error); |
1596 | } | |
1597 | ||
1598 | int | |
1599 | zfs_set_prop_nvlist(const char *name, nvlist_t *nvl) | |
1600 | { | |
1601 | nvpair_t *elem; | |
9babb374 | 1602 | int error = 0; |
34dc7c2f BB |
1603 | uint64_t intval; |
1604 | char *strval; | |
9babb374 BB |
1605 | nvlist_t *genericnvl; |
1606 | boolean_t issnap = (strchr(name, '@') != NULL); | |
34dc7c2f BB |
1607 | |
1608 | /* | |
1609 | * First validate permission to set all of the properties | |
1610 | */ | |
1611 | elem = NULL; | |
1612 | while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
1613 | const char *propname = nvpair_name(elem); | |
1614 | zfs_prop_t prop = zfs_name_to_prop(propname); | |
1615 | ||
1616 | if (prop == ZPROP_INVAL) { | |
1617 | /* | |
1618 | * If this is a user-defined property, it must be a | |
1619 | * string, and there is no further validation to do. | |
1620 | */ | |
9babb374 BB |
1621 | if (zfs_prop_user(propname) && |
1622 | nvpair_type(elem) == DATA_TYPE_STRING) { | |
1623 | if (error = zfs_secpolicy_write_perms(name, | |
1624 | ZFS_DELEG_PERM_USERPROP, CRED())) | |
1625 | return (error); | |
1626 | continue; | |
1627 | } | |
34dc7c2f | 1628 | |
9babb374 BB |
1629 | if (!issnap && zfs_prop_userquota(propname) && |
1630 | nvpair_type(elem) == DATA_TYPE_UINT64_ARRAY) { | |
1631 | const char *perm; | |
1632 | const char *up = zfs_userquota_prop_prefixes | |
1633 | [ZFS_PROP_USERQUOTA]; | |
1634 | if (strncmp(propname, up, strlen(up)) == 0) | |
1635 | perm = ZFS_DELEG_PERM_USERQUOTA; | |
1636 | else | |
1637 | perm = ZFS_DELEG_PERM_GROUPQUOTA; | |
1638 | if (error = zfs_secpolicy_write_perms(name, | |
1639 | perm, CRED())) | |
1640 | return (error); | |
1641 | continue; | |
1642 | } | |
1643 | ||
1644 | return (EINVAL); | |
34dc7c2f BB |
1645 | } |
1646 | ||
9babb374 BB |
1647 | if (issnap) |
1648 | return (EINVAL); | |
1649 | ||
34dc7c2f BB |
1650 | if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) |
1651 | return (error); | |
1652 | ||
1653 | /* | |
1654 | * Check that this value is valid for this pool version | |
1655 | */ | |
1656 | switch (prop) { | |
1657 | case ZFS_PROP_COMPRESSION: | |
1658 | /* | |
1659 | * If the user specified gzip compression, make sure | |
1660 | * the SPA supports it. We ignore any errors here since | |
1661 | * we'll catch them later. | |
1662 | */ | |
1663 | if (nvpair_type(elem) == DATA_TYPE_UINT64 && | |
b128c09f BB |
1664 | nvpair_value_uint64(elem, &intval) == 0) { |
1665 | if (intval >= ZIO_COMPRESS_GZIP_1 && | |
1666 | intval <= ZIO_COMPRESS_GZIP_9 && | |
1667 | zfs_earlier_version(name, | |
34dc7c2f BB |
1668 | SPA_VERSION_GZIP_COMPRESSION)) |
1669 | return (ENOTSUP); | |
b128c09f BB |
1670 | |
1671 | /* | |
1672 | * If this is a bootable dataset then | |
1673 | * verify that the compression algorithm | |
1674 | * is supported for booting. We must return | |
1675 | * something other than ENOTSUP since it | |
1676 | * implies a downrev pool version. | |
1677 | */ | |
1678 | if (zfs_is_bootfs(name) && | |
1679 | !BOOTFS_COMPRESS_VALID(intval)) | |
1680 | return (ERANGE); | |
34dc7c2f BB |
1681 | } |
1682 | break; | |
1683 | ||
1684 | case ZFS_PROP_COPIES: | |
9babb374 | 1685 | if (zfs_earlier_version(name, SPA_VERSION_DITTO_BLOCKS)) |
34dc7c2f BB |
1686 | return (ENOTSUP); |
1687 | break; | |
1688 | ||
1689 | case ZFS_PROP_SHARESMB: | |
b128c09f | 1690 | if (zpl_earlier_version(name, ZPL_VERSION_FUID)) |
34dc7c2f BB |
1691 | return (ENOTSUP); |
1692 | break; | |
b128c09f BB |
1693 | |
1694 | case ZFS_PROP_ACLINHERIT: | |
1695 | if (nvpair_type(elem) == DATA_TYPE_UINT64 && | |
1696 | nvpair_value_uint64(elem, &intval) == 0) | |
1697 | if (intval == ZFS_ACL_PASSTHROUGH_X && | |
1698 | zfs_earlier_version(name, | |
1699 | SPA_VERSION_PASSTHROUGH_X)) | |
1700 | return (ENOTSUP); | |
34dc7c2f | 1701 | } |
34dc7c2f BB |
1702 | } |
1703 | ||
9babb374 | 1704 | VERIFY(nvlist_alloc(&genericnvl, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
34dc7c2f BB |
1705 | elem = NULL; |
1706 | while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
1707 | const char *propname = nvpair_name(elem); | |
1708 | zfs_prop_t prop = zfs_name_to_prop(propname); | |
1709 | ||
1710 | if (prop == ZPROP_INVAL) { | |
9babb374 BB |
1711 | if (zfs_prop_userquota(propname)) { |
1712 | uint64_t *valary; | |
1713 | unsigned int vallen; | |
1714 | const char *domain; | |
1715 | zfs_userquota_prop_t type; | |
1716 | uint64_t rid; | |
1717 | uint64_t quota; | |
1718 | zfsvfs_t *zfsvfs; | |
1719 | ||
1720 | VERIFY(nvpair_value_uint64_array(elem, | |
1721 | &valary, &vallen) == 0); | |
1722 | VERIFY(vallen == 3); | |
1723 | type = valary[0]; | |
1724 | rid = valary[1]; | |
1725 | quota = valary[2]; | |
1726 | domain = propname + | |
1727 | strlen(zfs_userquota_prop_prefixes[type]); | |
1728 | ||
1729 | error = zfsvfs_hold(name, B_FALSE, FTAG, | |
1730 | &zfsvfs); | |
1731 | if (error == 0) { | |
1732 | error = zfs_set_userquota(zfsvfs, | |
1733 | type, domain, rid, quota); | |
1734 | zfsvfs_rele(zfsvfs, FTAG); | |
1735 | } | |
1736 | if (error == 0) | |
1737 | continue; | |
1738 | else | |
1739 | goto out; | |
1740 | } else if (zfs_prop_user(propname)) { | |
1741 | VERIFY(nvpair_value_string(elem, &strval) == 0); | |
1742 | error = dsl_prop_set(name, propname, 1, | |
1743 | strlen(strval) + 1, strval); | |
1744 | if (error == 0) | |
1745 | continue; | |
1746 | else | |
1747 | goto out; | |
1748 | } | |
34dc7c2f BB |
1749 | } |
1750 | ||
1751 | switch (prop) { | |
1752 | case ZFS_PROP_QUOTA: | |
1753 | if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
1754 | (error = dsl_dir_set_quota(name, intval)) != 0) | |
9babb374 | 1755 | goto out; |
34dc7c2f BB |
1756 | break; |
1757 | ||
1758 | case ZFS_PROP_REFQUOTA: | |
1759 | if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
1760 | (error = dsl_dataset_set_quota(name, intval)) != 0) | |
9babb374 | 1761 | goto out; |
34dc7c2f BB |
1762 | break; |
1763 | ||
1764 | case ZFS_PROP_RESERVATION: | |
1765 | if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
1766 | (error = dsl_dir_set_reservation(name, | |
1767 | intval)) != 0) | |
9babb374 | 1768 | goto out; |
34dc7c2f BB |
1769 | break; |
1770 | ||
1771 | case ZFS_PROP_REFRESERVATION: | |
1772 | if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
1773 | (error = dsl_dataset_set_reservation(name, | |
1774 | intval)) != 0) | |
9babb374 | 1775 | goto out; |
34dc7c2f BB |
1776 | break; |
1777 | ||
1778 | case ZFS_PROP_VOLSIZE: | |
1779 | if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
1780 | (error = zvol_set_volsize(name, | |
1781 | ddi_driver_major(zfs_dip), intval)) != 0) | |
9babb374 | 1782 | goto out; |
34dc7c2f BB |
1783 | break; |
1784 | ||
1785 | case ZFS_PROP_VOLBLOCKSIZE: | |
1786 | if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
1787 | (error = zvol_set_volblocksize(name, intval)) != 0) | |
9babb374 | 1788 | goto out; |
34dc7c2f BB |
1789 | break; |
1790 | ||
1791 | case ZFS_PROP_VERSION: | |
9babb374 BB |
1792 | { |
1793 | zfsvfs_t *zfsvfs; | |
1794 | ||
1795 | if ((error = nvpair_value_uint64(elem, &intval)) != 0) | |
1796 | goto out; | |
1797 | if ((error = zfsvfs_hold(name, B_FALSE, FTAG, | |
1798 | &zfsvfs)) != 0) | |
1799 | goto out; | |
1800 | error = zfs_set_version(zfsvfs, intval); | |
1801 | zfsvfs_rele(zfsvfs, FTAG); | |
1802 | ||
1803 | if (error == 0 && intval >= ZPL_VERSION_USERSPACE) { | |
1804 | zfs_cmd_t zc = { 0 }; | |
1805 | (void) strcpy(zc.zc_name, name); | |
1806 | (void) zfs_ioc_userspace_upgrade(&zc); | |
1807 | } | |
1808 | if (error) | |
1809 | goto out; | |
34dc7c2f | 1810 | break; |
9babb374 | 1811 | } |
34dc7c2f BB |
1812 | |
1813 | default: | |
1814 | if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
1815 | if (zfs_prop_get_type(prop) != | |
9babb374 BB |
1816 | PROP_TYPE_STRING) { |
1817 | error = EINVAL; | |
1818 | goto out; | |
1819 | } | |
34dc7c2f BB |
1820 | } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { |
1821 | const char *unused; | |
1822 | ||
1823 | VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
1824 | ||
1825 | switch (zfs_prop_get_type(prop)) { | |
1826 | case PROP_TYPE_NUMBER: | |
1827 | break; | |
1828 | case PROP_TYPE_STRING: | |
9babb374 BB |
1829 | error = EINVAL; |
1830 | goto out; | |
34dc7c2f BB |
1831 | case PROP_TYPE_INDEX: |
1832 | if (zfs_prop_index_to_string(prop, | |
9babb374 BB |
1833 | intval, &unused) != 0) { |
1834 | error = EINVAL; | |
1835 | goto out; | |
1836 | } | |
34dc7c2f BB |
1837 | break; |
1838 | default: | |
1839 | cmn_err(CE_PANIC, | |
1840 | "unknown property type"); | |
1841 | break; | |
1842 | } | |
34dc7c2f | 1843 | } else { |
9babb374 BB |
1844 | error = EINVAL; |
1845 | goto out; | |
34dc7c2f | 1846 | } |
9babb374 BB |
1847 | if ((error = nvlist_add_nvpair(genericnvl, elem)) != 0) |
1848 | goto out; | |
34dc7c2f BB |
1849 | } |
1850 | } | |
1851 | ||
9babb374 BB |
1852 | if (nvlist_next_nvpair(genericnvl, NULL) != NULL) { |
1853 | error = dsl_props_set(name, genericnvl); | |
1854 | } | |
1855 | out: | |
1856 | nvlist_free(genericnvl); | |
1857 | return (error); | |
1858 | } | |
1859 | ||
1860 | /* | |
1861 | * Check that all the properties are valid user properties. | |
1862 | */ | |
1863 | static int | |
1864 | zfs_check_userprops(char *fsname, nvlist_t *nvl) | |
1865 | { | |
1866 | nvpair_t *elem = NULL; | |
1867 | int error = 0; | |
1868 | ||
1869 | while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
1870 | const char *propname = nvpair_name(elem); | |
1871 | char *valstr; | |
1872 | ||
1873 | if (!zfs_prop_user(propname) || | |
1874 | nvpair_type(elem) != DATA_TYPE_STRING) | |
1875 | return (EINVAL); | |
1876 | ||
1877 | if (error = zfs_secpolicy_write_perms(fsname, | |
1878 | ZFS_DELEG_PERM_USERPROP, CRED())) | |
1879 | return (error); | |
1880 | ||
1881 | if (strlen(propname) >= ZAP_MAXNAMELEN) | |
1882 | return (ENAMETOOLONG); | |
1883 | ||
1884 | VERIFY(nvpair_value_string(elem, &valstr) == 0); | |
1885 | if (strlen(valstr) >= ZAP_MAXVALUELEN) | |
1886 | return (E2BIG); | |
1887 | } | |
34dc7c2f BB |
1888 | return (0); |
1889 | } | |
1890 | ||
1891 | /* | |
1892 | * inputs: | |
1893 | * zc_name name of filesystem | |
9babb374 | 1894 | * zc_value name of property to set |
34dc7c2f | 1895 | * zc_nvlist_src{_size} nvlist of properties to apply |
b128c09f | 1896 | * zc_cookie clear existing local props? |
34dc7c2f BB |
1897 | * |
1898 | * outputs: none | |
1899 | */ | |
1900 | static int | |
1901 | zfs_ioc_set_prop(zfs_cmd_t *zc) | |
1902 | { | |
1903 | nvlist_t *nvl; | |
1904 | int error; | |
1905 | ||
1906 | if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 1907 | zc->zc_iflags, &nvl)) != 0) |
34dc7c2f BB |
1908 | return (error); |
1909 | ||
b128c09f BB |
1910 | if (zc->zc_cookie) { |
1911 | nvlist_t *origprops; | |
1912 | objset_t *os; | |
1913 | ||
1914 | if (dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
1915 | DS_MODE_USER | DS_MODE_READONLY, &os) == 0) { | |
1916 | if (dsl_prop_get_all(os, &origprops, TRUE) == 0) { | |
d164b209 | 1917 | clear_props(zc->zc_name, origprops, nvl); |
b128c09f BB |
1918 | nvlist_free(origprops); |
1919 | } | |
1920 | dmu_objset_close(os); | |
1921 | } | |
1922 | ||
1923 | } | |
1924 | ||
34dc7c2f BB |
1925 | error = zfs_set_prop_nvlist(zc->zc_name, nvl); |
1926 | ||
1927 | nvlist_free(nvl); | |
1928 | return (error); | |
1929 | } | |
1930 | ||
1931 | /* | |
1932 | * inputs: | |
1933 | * zc_name name of filesystem | |
1934 | * zc_value name of property to inherit | |
1935 | * | |
1936 | * outputs: none | |
1937 | */ | |
1938 | static int | |
1939 | zfs_ioc_inherit_prop(zfs_cmd_t *zc) | |
1940 | { | |
1941 | /* the property name has been validated by zfs_secpolicy_inherit() */ | |
1942 | return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); | |
1943 | } | |
1944 | ||
1945 | static int | |
1946 | zfs_ioc_pool_set_props(zfs_cmd_t *zc) | |
1947 | { | |
1948 | nvlist_t *props; | |
1949 | spa_t *spa; | |
1950 | int error; | |
d164b209 | 1951 | nvpair_t *elem; |
34dc7c2f BB |
1952 | |
1953 | if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 1954 | zc->zc_iflags, &props))) |
34dc7c2f BB |
1955 | return (error); |
1956 | ||
d164b209 BB |
1957 | /* |
1958 | * If the only property is the configfile, then just do a spa_lookup() | |
1959 | * to handle the faulted case. | |
1960 | */ | |
1961 | elem = nvlist_next_nvpair(props, NULL); | |
1962 | if (elem != NULL && strcmp(nvpair_name(elem), | |
1963 | zpool_prop_to_name(ZPOOL_PROP_CACHEFILE)) == 0 && | |
1964 | nvlist_next_nvpair(props, elem) == NULL) { | |
1965 | mutex_enter(&spa_namespace_lock); | |
1966 | if ((spa = spa_lookup(zc->zc_name)) != NULL) { | |
1967 | spa_configfile_set(spa, props, B_FALSE); | |
1968 | spa_config_sync(spa, B_FALSE, B_TRUE); | |
1969 | } | |
1970 | mutex_exit(&spa_namespace_lock); | |
1971 | if (spa != NULL) | |
1972 | return (0); | |
1973 | } | |
1974 | ||
34dc7c2f BB |
1975 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { |
1976 | nvlist_free(props); | |
1977 | return (error); | |
1978 | } | |
1979 | ||
1980 | error = spa_prop_set(spa, props); | |
1981 | ||
1982 | nvlist_free(props); | |
1983 | spa_close(spa, FTAG); | |
1984 | ||
1985 | return (error); | |
1986 | } | |
1987 | ||
1988 | static int | |
1989 | zfs_ioc_pool_get_props(zfs_cmd_t *zc) | |
1990 | { | |
1991 | spa_t *spa; | |
1992 | int error; | |
1993 | nvlist_t *nvp = NULL; | |
1994 | ||
d164b209 BB |
1995 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { |
1996 | /* | |
1997 | * If the pool is faulted, there may be properties we can still | |
1998 | * get (such as altroot and cachefile), so attempt to get them | |
1999 | * anyway. | |
2000 | */ | |
2001 | mutex_enter(&spa_namespace_lock); | |
2002 | if ((spa = spa_lookup(zc->zc_name)) != NULL) | |
2003 | error = spa_prop_get(spa, &nvp); | |
2004 | mutex_exit(&spa_namespace_lock); | |
2005 | } else { | |
2006 | error = spa_prop_get(spa, &nvp); | |
2007 | spa_close(spa, FTAG); | |
2008 | } | |
34dc7c2f BB |
2009 | |
2010 | if (error == 0 && zc->zc_nvlist_dst != NULL) | |
2011 | error = put_nvlist(zc, nvp); | |
2012 | else | |
2013 | error = EFAULT; | |
2014 | ||
d164b209 | 2015 | nvlist_free(nvp); |
34dc7c2f BB |
2016 | return (error); |
2017 | } | |
2018 | ||
2019 | static int | |
2020 | zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) | |
2021 | { | |
2022 | nvlist_t *nvp; | |
2023 | int error; | |
2024 | uint32_t uid; | |
2025 | uint32_t gid; | |
2026 | uint32_t *groups; | |
2027 | uint_t group_cnt; | |
2028 | cred_t *usercred; | |
2029 | ||
2030 | if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 2031 | zc->zc_iflags, &nvp)) != 0) { |
34dc7c2f BB |
2032 | return (error); |
2033 | } | |
2034 | ||
2035 | if ((error = nvlist_lookup_uint32(nvp, | |
2036 | ZFS_DELEG_PERM_UID, &uid)) != 0) { | |
2037 | nvlist_free(nvp); | |
2038 | return (EPERM); | |
2039 | } | |
2040 | ||
2041 | if ((error = nvlist_lookup_uint32(nvp, | |
2042 | ZFS_DELEG_PERM_GID, &gid)) != 0) { | |
2043 | nvlist_free(nvp); | |
2044 | return (EPERM); | |
2045 | } | |
2046 | ||
2047 | if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, | |
2048 | &groups, &group_cnt)) != 0) { | |
2049 | nvlist_free(nvp); | |
2050 | return (EPERM); | |
2051 | } | |
2052 | usercred = cralloc(); | |
2053 | if ((crsetugid(usercred, uid, gid) != 0) || | |
2054 | (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { | |
2055 | nvlist_free(nvp); | |
2056 | crfree(usercred); | |
2057 | return (EPERM); | |
2058 | } | |
2059 | nvlist_free(nvp); | |
2060 | error = dsl_deleg_access(zc->zc_name, | |
2061 | zfs_prop_to_name(ZFS_PROP_SHAREISCSI), usercred); | |
2062 | crfree(usercred); | |
2063 | return (error); | |
2064 | } | |
2065 | ||
2066 | /* | |
2067 | * inputs: | |
2068 | * zc_name name of filesystem | |
2069 | * zc_nvlist_src{_size} nvlist of delegated permissions | |
2070 | * zc_perm_action allow/unallow flag | |
2071 | * | |
2072 | * outputs: none | |
2073 | */ | |
2074 | static int | |
2075 | zfs_ioc_set_fsacl(zfs_cmd_t *zc) | |
2076 | { | |
2077 | int error; | |
2078 | nvlist_t *fsaclnv = NULL; | |
2079 | ||
2080 | if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 2081 | zc->zc_iflags, &fsaclnv)) != 0) |
34dc7c2f BB |
2082 | return (error); |
2083 | ||
2084 | /* | |
2085 | * Verify nvlist is constructed correctly | |
2086 | */ | |
2087 | if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { | |
2088 | nvlist_free(fsaclnv); | |
2089 | return (EINVAL); | |
2090 | } | |
2091 | ||
2092 | /* | |
2093 | * If we don't have PRIV_SYS_MOUNT, then validate | |
2094 | * that user is allowed to hand out each permission in | |
2095 | * the nvlist(s) | |
2096 | */ | |
2097 | ||
2098 | error = secpolicy_zfs(CRED()); | |
2099 | if (error) { | |
2100 | if (zc->zc_perm_action == B_FALSE) { | |
2101 | error = dsl_deleg_can_allow(zc->zc_name, | |
2102 | fsaclnv, CRED()); | |
2103 | } else { | |
2104 | error = dsl_deleg_can_unallow(zc->zc_name, | |
2105 | fsaclnv, CRED()); | |
2106 | } | |
2107 | } | |
2108 | ||
2109 | if (error == 0) | |
2110 | error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); | |
2111 | ||
2112 | nvlist_free(fsaclnv); | |
2113 | return (error); | |
2114 | } | |
2115 | ||
2116 | /* | |
2117 | * inputs: | |
2118 | * zc_name name of filesystem | |
2119 | * | |
2120 | * outputs: | |
2121 | * zc_nvlist_src{_size} nvlist of delegated permissions | |
2122 | */ | |
2123 | static int | |
2124 | zfs_ioc_get_fsacl(zfs_cmd_t *zc) | |
2125 | { | |
2126 | nvlist_t *nvp; | |
2127 | int error; | |
2128 | ||
2129 | if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { | |
2130 | error = put_nvlist(zc, nvp); | |
2131 | nvlist_free(nvp); | |
2132 | } | |
2133 | ||
2134 | return (error); | |
2135 | } | |
2136 | ||
2137 | /* | |
2138 | * inputs: | |
2139 | * zc_name name of volume | |
2140 | * | |
2141 | * outputs: none | |
2142 | */ | |
2143 | static int | |
2144 | zfs_ioc_create_minor(zfs_cmd_t *zc) | |
2145 | { | |
2146 | return (zvol_create_minor(zc->zc_name, ddi_driver_major(zfs_dip))); | |
2147 | } | |
2148 | ||
2149 | /* | |
2150 | * inputs: | |
2151 | * zc_name name of volume | |
2152 | * | |
2153 | * outputs: none | |
2154 | */ | |
2155 | static int | |
2156 | zfs_ioc_remove_minor(zfs_cmd_t *zc) | |
2157 | { | |
2158 | return (zvol_remove_minor(zc->zc_name)); | |
2159 | } | |
2160 | ||
2161 | /* | |
2162 | * Search the vfs list for a specified resource. Returns a pointer to it | |
2163 | * or NULL if no suitable entry is found. The caller of this routine | |
2164 | * is responsible for releasing the returned vfs pointer. | |
2165 | */ | |
2166 | static vfs_t * | |
2167 | zfs_get_vfs(const char *resource) | |
2168 | { | |
2169 | struct vfs *vfsp; | |
2170 | struct vfs *vfs_found = NULL; | |
2171 | ||
2172 | vfs_list_read_lock(); | |
2173 | vfsp = rootvfs; | |
2174 | do { | |
2175 | if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { | |
2176 | VFS_HOLD(vfsp); | |
2177 | vfs_found = vfsp; | |
2178 | break; | |
2179 | } | |
2180 | vfsp = vfsp->vfs_next; | |
2181 | } while (vfsp != rootvfs); | |
2182 | vfs_list_unlock(); | |
2183 | return (vfs_found); | |
2184 | } | |
2185 | ||
2186 | /* ARGSUSED */ | |
2187 | static void | |
2188 | zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) | |
2189 | { | |
2190 | zfs_creat_t *zct = arg; | |
2191 | ||
2192 | zfs_create_fs(os, cr, zct->zct_zplprops, tx); | |
2193 | } | |
2194 | ||
2195 | #define ZFS_PROP_UNDEFINED ((uint64_t)-1) | |
2196 | ||
2197 | /* | |
2198 | * inputs: | |
b128c09f BB |
2199 | * createprops list of properties requested by creator |
2200 | * default_zplver zpl version to use if unspecified in createprops | |
2201 | * fuids_ok fuids allowed in this version of the spa? | |
2202 | * os parent objset pointer (NULL if root fs) | |
34dc7c2f BB |
2203 | * |
2204 | * outputs: | |
2205 | * zplprops values for the zplprops we attach to the master node object | |
b128c09f | 2206 | * is_ci true if requested file system will be purely case-insensitive |
34dc7c2f BB |
2207 | * |
2208 | * Determine the settings for utf8only, normalization and | |
2209 | * casesensitivity. Specific values may have been requested by the | |
2210 | * creator and/or we can inherit values from the parent dataset. If | |
2211 | * the file system is of too early a vintage, a creator can not | |
2212 | * request settings for these properties, even if the requested | |
2213 | * setting is the default value. We don't actually want to create dsl | |
2214 | * properties for these, so remove them from the source nvlist after | |
2215 | * processing. | |
2216 | */ | |
2217 | static int | |
9babb374 | 2218 | zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver, |
b128c09f BB |
2219 | boolean_t fuids_ok, nvlist_t *createprops, nvlist_t *zplprops, |
2220 | boolean_t *is_ci) | |
34dc7c2f | 2221 | { |
34dc7c2f BB |
2222 | uint64_t sense = ZFS_PROP_UNDEFINED; |
2223 | uint64_t norm = ZFS_PROP_UNDEFINED; | |
2224 | uint64_t u8 = ZFS_PROP_UNDEFINED; | |
34dc7c2f BB |
2225 | |
2226 | ASSERT(zplprops != NULL); | |
2227 | ||
34dc7c2f BB |
2228 | /* |
2229 | * Pull out creator prop choices, if any. | |
2230 | */ | |
2231 | if (createprops) { | |
b128c09f BB |
2232 | (void) nvlist_lookup_uint64(createprops, |
2233 | zfs_prop_to_name(ZFS_PROP_VERSION), &zplver); | |
34dc7c2f BB |
2234 | (void) nvlist_lookup_uint64(createprops, |
2235 | zfs_prop_to_name(ZFS_PROP_NORMALIZE), &norm); | |
2236 | (void) nvlist_remove_all(createprops, | |
2237 | zfs_prop_to_name(ZFS_PROP_NORMALIZE)); | |
2238 | (void) nvlist_lookup_uint64(createprops, | |
2239 | zfs_prop_to_name(ZFS_PROP_UTF8ONLY), &u8); | |
2240 | (void) nvlist_remove_all(createprops, | |
2241 | zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); | |
2242 | (void) nvlist_lookup_uint64(createprops, | |
2243 | zfs_prop_to_name(ZFS_PROP_CASE), &sense); | |
2244 | (void) nvlist_remove_all(createprops, | |
2245 | zfs_prop_to_name(ZFS_PROP_CASE)); | |
2246 | } | |
2247 | ||
2248 | /* | |
b128c09f BB |
2249 | * If the zpl version requested is whacky or the file system |
2250 | * or pool is version is too "young" to support normalization | |
2251 | * and the creator tried to set a value for one of the props, | |
2252 | * error out. | |
34dc7c2f | 2253 | */ |
b128c09f BB |
2254 | if ((zplver < ZPL_VERSION_INITIAL || zplver > ZPL_VERSION) || |
2255 | (zplver >= ZPL_VERSION_FUID && !fuids_ok) || | |
2256 | (zplver < ZPL_VERSION_NORMALIZATION && | |
34dc7c2f | 2257 | (norm != ZFS_PROP_UNDEFINED || u8 != ZFS_PROP_UNDEFINED || |
b128c09f | 2258 | sense != ZFS_PROP_UNDEFINED))) |
34dc7c2f BB |
2259 | return (ENOTSUP); |
2260 | ||
2261 | /* | |
2262 | * Put the version in the zplprops | |
2263 | */ | |
2264 | VERIFY(nvlist_add_uint64(zplprops, | |
2265 | zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0); | |
2266 | ||
34dc7c2f BB |
2267 | if (norm == ZFS_PROP_UNDEFINED) |
2268 | VERIFY(zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm) == 0); | |
2269 | VERIFY(nvlist_add_uint64(zplprops, | |
2270 | zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0); | |
2271 | ||
2272 | /* | |
2273 | * If we're normalizing, names must always be valid UTF-8 strings. | |
2274 | */ | |
2275 | if (norm) | |
2276 | u8 = 1; | |
2277 | if (u8 == ZFS_PROP_UNDEFINED) | |
2278 | VERIFY(zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8) == 0); | |
2279 | VERIFY(nvlist_add_uint64(zplprops, | |
2280 | zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0); | |
2281 | ||
2282 | if (sense == ZFS_PROP_UNDEFINED) | |
2283 | VERIFY(zfs_get_zplprop(os, ZFS_PROP_CASE, &sense) == 0); | |
2284 | VERIFY(nvlist_add_uint64(zplprops, | |
2285 | zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0); | |
2286 | ||
2287 | if (is_ci) | |
2288 | *is_ci = (sense == ZFS_CASE_INSENSITIVE); | |
2289 | ||
34dc7c2f BB |
2290 | return (0); |
2291 | } | |
2292 | ||
b128c09f BB |
2293 | static int |
2294 | zfs_fill_zplprops(const char *dataset, nvlist_t *createprops, | |
2295 | nvlist_t *zplprops, boolean_t *is_ci) | |
2296 | { | |
2297 | boolean_t fuids_ok = B_TRUE; | |
2298 | uint64_t zplver = ZPL_VERSION; | |
2299 | objset_t *os = NULL; | |
2300 | char parentname[MAXNAMELEN]; | |
2301 | char *cp; | |
2302 | int error; | |
2303 | ||
2304 | (void) strlcpy(parentname, dataset, sizeof (parentname)); | |
2305 | cp = strrchr(parentname, '/'); | |
2306 | ASSERT(cp != NULL); | |
2307 | cp[0] = '\0'; | |
2308 | ||
9babb374 BB |
2309 | if (zfs_earlier_version(dataset, SPA_VERSION_USERSPACE)) |
2310 | zplver = ZPL_VERSION_USERSPACE - 1; | |
b128c09f BB |
2311 | if (zfs_earlier_version(dataset, SPA_VERSION_FUID)) { |
2312 | zplver = ZPL_VERSION_FUID - 1; | |
2313 | fuids_ok = B_FALSE; | |
2314 | } | |
2315 | ||
2316 | /* | |
2317 | * Open parent object set so we can inherit zplprop values. | |
2318 | */ | |
2319 | if ((error = dmu_objset_open(parentname, DMU_OST_ANY, | |
2320 | DS_MODE_USER | DS_MODE_READONLY, &os)) != 0) | |
2321 | return (error); | |
2322 | ||
2323 | error = zfs_fill_zplprops_impl(os, zplver, fuids_ok, createprops, | |
2324 | zplprops, is_ci); | |
2325 | dmu_objset_close(os); | |
2326 | return (error); | |
2327 | } | |
2328 | ||
2329 | static int | |
2330 | zfs_fill_zplprops_root(uint64_t spa_vers, nvlist_t *createprops, | |
2331 | nvlist_t *zplprops, boolean_t *is_ci) | |
2332 | { | |
2333 | boolean_t fuids_ok = B_TRUE; | |
2334 | uint64_t zplver = ZPL_VERSION; | |
2335 | int error; | |
2336 | ||
2337 | if (spa_vers < SPA_VERSION_FUID) { | |
2338 | zplver = ZPL_VERSION_FUID - 1; | |
2339 | fuids_ok = B_FALSE; | |
2340 | } | |
2341 | ||
2342 | error = zfs_fill_zplprops_impl(NULL, zplver, fuids_ok, createprops, | |
2343 | zplprops, is_ci); | |
2344 | return (error); | |
2345 | } | |
2346 | ||
34dc7c2f BB |
2347 | /* |
2348 | * inputs: | |
2349 | * zc_objset_type type of objset to create (fs vs zvol) | |
2350 | * zc_name name of new objset | |
2351 | * zc_value name of snapshot to clone from (may be empty) | |
2352 | * zc_nvlist_src{_size} nvlist of properties to apply | |
2353 | * | |
2354 | * outputs: none | |
2355 | */ | |
2356 | static int | |
2357 | zfs_ioc_create(zfs_cmd_t *zc) | |
2358 | { | |
2359 | objset_t *clone; | |
2360 | int error = 0; | |
2361 | zfs_creat_t zct; | |
2362 | nvlist_t *nvprops = NULL; | |
2363 | void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); | |
2364 | dmu_objset_type_t type = zc->zc_objset_type; | |
2365 | ||
2366 | switch (type) { | |
2367 | ||
2368 | case DMU_OST_ZFS: | |
2369 | cbfunc = zfs_create_cb; | |
2370 | break; | |
2371 | ||
2372 | case DMU_OST_ZVOL: | |
2373 | cbfunc = zvol_create_cb; | |
2374 | break; | |
2375 | ||
2376 | default: | |
2377 | cbfunc = NULL; | |
2378 | break; | |
2379 | } | |
2380 | if (strchr(zc->zc_name, '@') || | |
2381 | strchr(zc->zc_name, '%')) | |
2382 | return (EINVAL); | |
2383 | ||
2384 | if (zc->zc_nvlist_src != NULL && | |
2385 | (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 2386 | zc->zc_iflags, &nvprops)) != 0) |
34dc7c2f BB |
2387 | return (error); |
2388 | ||
2389 | zct.zct_zplprops = NULL; | |
2390 | zct.zct_props = nvprops; | |
2391 | ||
2392 | if (zc->zc_value[0] != '\0') { | |
2393 | /* | |
2394 | * We're creating a clone of an existing snapshot. | |
2395 | */ | |
2396 | zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; | |
2397 | if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { | |
2398 | nvlist_free(nvprops); | |
2399 | return (EINVAL); | |
2400 | } | |
2401 | ||
2402 | error = dmu_objset_open(zc->zc_value, type, | |
b128c09f | 2403 | DS_MODE_USER | DS_MODE_READONLY, &clone); |
34dc7c2f BB |
2404 | if (error) { |
2405 | nvlist_free(nvprops); | |
2406 | return (error); | |
2407 | } | |
2408 | ||
2409 | error = dmu_objset_create(zc->zc_name, type, clone, 0, | |
2410 | NULL, NULL); | |
2411 | if (error) { | |
2412 | dmu_objset_close(clone); | |
2413 | nvlist_free(nvprops); | |
2414 | return (error); | |
2415 | } | |
2416 | dmu_objset_close(clone); | |
2417 | } else { | |
2418 | boolean_t is_insensitive = B_FALSE; | |
2419 | ||
2420 | if (cbfunc == NULL) { | |
2421 | nvlist_free(nvprops); | |
2422 | return (EINVAL); | |
2423 | } | |
2424 | ||
2425 | if (type == DMU_OST_ZVOL) { | |
2426 | uint64_t volsize, volblocksize; | |
2427 | ||
2428 | if (nvprops == NULL || | |
2429 | nvlist_lookup_uint64(nvprops, | |
2430 | zfs_prop_to_name(ZFS_PROP_VOLSIZE), | |
2431 | &volsize) != 0) { | |
2432 | nvlist_free(nvprops); | |
2433 | return (EINVAL); | |
2434 | } | |
2435 | ||
2436 | if ((error = nvlist_lookup_uint64(nvprops, | |
2437 | zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
2438 | &volblocksize)) != 0 && error != ENOENT) { | |
2439 | nvlist_free(nvprops); | |
2440 | return (EINVAL); | |
2441 | } | |
2442 | ||
2443 | if (error != 0) | |
2444 | volblocksize = zfs_prop_default_numeric( | |
2445 | ZFS_PROP_VOLBLOCKSIZE); | |
2446 | ||
2447 | if ((error = zvol_check_volblocksize( | |
2448 | volblocksize)) != 0 || | |
2449 | (error = zvol_check_volsize(volsize, | |
2450 | volblocksize)) != 0) { | |
2451 | nvlist_free(nvprops); | |
2452 | return (error); | |
2453 | } | |
2454 | } else if (type == DMU_OST_ZFS) { | |
34dc7c2f BB |
2455 | int error; |
2456 | ||
34dc7c2f BB |
2457 | /* |
2458 | * We have to have normalization and | |
2459 | * case-folding flags correct when we do the | |
2460 | * file system creation, so go figure them out | |
2461 | * now. | |
2462 | */ | |
2463 | VERIFY(nvlist_alloc(&zct.zct_zplprops, | |
2464 | NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
2465 | error = zfs_fill_zplprops(zc->zc_name, nvprops, | |
b128c09f | 2466 | zct.zct_zplprops, &is_insensitive); |
34dc7c2f BB |
2467 | if (error != 0) { |
2468 | nvlist_free(nvprops); | |
2469 | nvlist_free(zct.zct_zplprops); | |
2470 | return (error); | |
2471 | } | |
2472 | } | |
2473 | error = dmu_objset_create(zc->zc_name, type, NULL, | |
2474 | is_insensitive ? DS_FLAG_CI_DATASET : 0, cbfunc, &zct); | |
2475 | nvlist_free(zct.zct_zplprops); | |
2476 | } | |
2477 | ||
2478 | /* | |
2479 | * It would be nice to do this atomically. | |
2480 | */ | |
2481 | if (error == 0) { | |
2482 | if ((error = zfs_set_prop_nvlist(zc->zc_name, nvprops)) != 0) | |
45d1cae3 | 2483 | (void) dmu_objset_destroy(zc->zc_name, B_FALSE); |
34dc7c2f BB |
2484 | } |
2485 | nvlist_free(nvprops); | |
2486 | return (error); | |
2487 | } | |
2488 | ||
2489 | /* | |
2490 | * inputs: | |
2491 | * zc_name name of filesystem | |
2492 | * zc_value short name of snapshot | |
2493 | * zc_cookie recursive flag | |
9babb374 | 2494 | * zc_nvlist_src[_size] property list |
34dc7c2f BB |
2495 | * |
2496 | * outputs: none | |
2497 | */ | |
2498 | static int | |
2499 | zfs_ioc_snapshot(zfs_cmd_t *zc) | |
2500 | { | |
b128c09f BB |
2501 | nvlist_t *nvprops = NULL; |
2502 | int error; | |
2503 | boolean_t recursive = zc->zc_cookie; | |
2504 | ||
34dc7c2f BB |
2505 | if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
2506 | return (EINVAL); | |
b128c09f BB |
2507 | |
2508 | if (zc->zc_nvlist_src != NULL && | |
2509 | (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 2510 | zc->zc_iflags, &nvprops)) != 0) |
b128c09f BB |
2511 | return (error); |
2512 | ||
9babb374 BB |
2513 | error = zfs_check_userprops(zc->zc_name, nvprops); |
2514 | if (error) | |
2515 | goto out; | |
b128c09f | 2516 | |
9babb374 BB |
2517 | if (nvprops != NULL && nvlist_next_nvpair(nvprops, NULL) != NULL && |
2518 | zfs_earlier_version(zc->zc_name, SPA_VERSION_SNAP_PROPS)) { | |
2519 | error = ENOTSUP; | |
2520 | goto out; | |
b128c09f | 2521 | } |
9babb374 BB |
2522 | |
2523 | error = dmu_objset_snapshot(zc->zc_name, zc->zc_value, | |
2524 | nvprops, recursive); | |
2525 | ||
2526 | out: | |
b128c09f BB |
2527 | nvlist_free(nvprops); |
2528 | return (error); | |
34dc7c2f BB |
2529 | } |
2530 | ||
2531 | int | |
2532 | zfs_unmount_snap(char *name, void *arg) | |
2533 | { | |
34dc7c2f BB |
2534 | vfs_t *vfsp = NULL; |
2535 | ||
b128c09f BB |
2536 | if (arg) { |
2537 | char *snapname = arg; | |
2538 | int len = strlen(name) + strlen(snapname) + 2; | |
2539 | char *buf = kmem_alloc(len, KM_SLEEP); | |
34dc7c2f | 2540 | |
b128c09f BB |
2541 | (void) strcpy(buf, name); |
2542 | (void) strcat(buf, "@"); | |
2543 | (void) strcat(buf, snapname); | |
2544 | vfsp = zfs_get_vfs(buf); | |
2545 | kmem_free(buf, len); | |
34dc7c2f BB |
2546 | } else if (strchr(name, '@')) { |
2547 | vfsp = zfs_get_vfs(name); | |
2548 | } | |
2549 | ||
2550 | if (vfsp) { | |
2551 | /* | |
2552 | * Always force the unmount for snapshots. | |
2553 | */ | |
2554 | int flag = MS_FORCE; | |
2555 | int err; | |
2556 | ||
2557 | if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { | |
2558 | VFS_RELE(vfsp); | |
2559 | return (err); | |
2560 | } | |
2561 | VFS_RELE(vfsp); | |
2562 | if ((err = dounmount(vfsp, flag, kcred)) != 0) | |
2563 | return (err); | |
2564 | } | |
2565 | return (0); | |
2566 | } | |
2567 | ||
2568 | /* | |
2569 | * inputs: | |
45d1cae3 BB |
2570 | * zc_name name of filesystem |
2571 | * zc_value short name of snapshot | |
2572 | * zc_defer_destroy mark for deferred destroy | |
34dc7c2f BB |
2573 | * |
2574 | * outputs: none | |
2575 | */ | |
2576 | static int | |
2577 | zfs_ioc_destroy_snaps(zfs_cmd_t *zc) | |
2578 | { | |
2579 | int err; | |
2580 | ||
2581 | if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) | |
2582 | return (EINVAL); | |
2583 | err = dmu_objset_find(zc->zc_name, | |
2584 | zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); | |
2585 | if (err) | |
2586 | return (err); | |
45d1cae3 BB |
2587 | return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value, |
2588 | zc->zc_defer_destroy)); | |
34dc7c2f BB |
2589 | } |
2590 | ||
2591 | /* | |
2592 | * inputs: | |
2593 | * zc_name name of dataset to destroy | |
2594 | * zc_objset_type type of objset | |
45d1cae3 | 2595 | * zc_defer_destroy mark for deferred destroy |
34dc7c2f BB |
2596 | * |
2597 | * outputs: none | |
2598 | */ | |
2599 | static int | |
2600 | zfs_ioc_destroy(zfs_cmd_t *zc) | |
2601 | { | |
2602 | if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { | |
2603 | int err = zfs_unmount_snap(zc->zc_name, NULL); | |
2604 | if (err) | |
2605 | return (err); | |
2606 | } | |
2607 | ||
45d1cae3 | 2608 | return (dmu_objset_destroy(zc->zc_name, zc->zc_defer_destroy)); |
34dc7c2f BB |
2609 | } |
2610 | ||
2611 | /* | |
2612 | * inputs: | |
2613 | * zc_name name of dataset to rollback (to most recent snapshot) | |
2614 | * | |
2615 | * outputs: none | |
2616 | */ | |
2617 | static int | |
2618 | zfs_ioc_rollback(zfs_cmd_t *zc) | |
2619 | { | |
2620 | objset_t *os; | |
2621 | int error; | |
2622 | zfsvfs_t *zfsvfs = NULL; | |
2623 | ||
2624 | /* | |
2625 | * Get the zfsvfs for the receiving objset. There | |
2626 | * won't be one if we're operating on a zvol, if the | |
2627 | * objset doesn't exist yet, or is not mounted. | |
2628 | */ | |
b128c09f | 2629 | error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, DS_MODE_USER, &os); |
34dc7c2f BB |
2630 | if (error) |
2631 | return (error); | |
2632 | ||
9babb374 | 2633 | if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) { |
34dc7c2f BB |
2634 | int mode; |
2635 | ||
9babb374 | 2636 | error = zfs_suspend_fs(zfsvfs, NULL, &mode); |
34dc7c2f BB |
2637 | if (error == 0) { |
2638 | int resume_err; | |
2639 | ||
34dc7c2f | 2640 | error = dmu_objset_rollback(os); |
9babb374 | 2641 | resume_err = zfs_resume_fs(zfsvfs, zc->zc_name, mode); |
34dc7c2f BB |
2642 | error = error ? error : resume_err; |
2643 | } else { | |
2644 | dmu_objset_close(os); | |
2645 | } | |
2646 | VFS_RELE(zfsvfs->z_vfs); | |
2647 | } else { | |
2648 | error = dmu_objset_rollback(os); | |
2649 | } | |
b128c09f | 2650 | /* Note, the dmu_objset_rollback() releases the objset for us. */ |
34dc7c2f BB |
2651 | |
2652 | return (error); | |
2653 | } | |
2654 | ||
2655 | /* | |
2656 | * inputs: | |
2657 | * zc_name old name of dataset | |
2658 | * zc_value new name of dataset | |
2659 | * zc_cookie recursive flag (only valid for snapshots) | |
2660 | * | |
2661 | * outputs: none | |
2662 | */ | |
2663 | static int | |
2664 | zfs_ioc_rename(zfs_cmd_t *zc) | |
2665 | { | |
2666 | boolean_t recursive = zc->zc_cookie & 1; | |
2667 | ||
2668 | zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; | |
2669 | if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || | |
2670 | strchr(zc->zc_value, '%')) | |
2671 | return (EINVAL); | |
2672 | ||
2673 | /* | |
2674 | * Unmount snapshot unless we're doing a recursive rename, | |
2675 | * in which case the dataset code figures out which snapshots | |
2676 | * to unmount. | |
2677 | */ | |
2678 | if (!recursive && strchr(zc->zc_name, '@') != NULL && | |
2679 | zc->zc_objset_type == DMU_OST_ZFS) { | |
2680 | int err = zfs_unmount_snap(zc->zc_name, NULL); | |
2681 | if (err) | |
2682 | return (err); | |
2683 | } | |
34dc7c2f BB |
2684 | return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); |
2685 | } | |
2686 | ||
b128c09f | 2687 | static void |
d164b209 | 2688 | clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops) |
b128c09f BB |
2689 | { |
2690 | zfs_cmd_t *zc; | |
2691 | nvpair_t *prop; | |
2692 | ||
2693 | if (props == NULL) | |
2694 | return; | |
2695 | zc = kmem_alloc(sizeof (zfs_cmd_t), KM_SLEEP); | |
2696 | (void) strcpy(zc->zc_name, dataset); | |
2697 | for (prop = nvlist_next_nvpair(props, NULL); prop; | |
2698 | prop = nvlist_next_nvpair(props, prop)) { | |
d164b209 BB |
2699 | if (newprops != NULL && |
2700 | nvlist_exists(newprops, nvpair_name(prop))) | |
2701 | continue; | |
b128c09f BB |
2702 | (void) strcpy(zc->zc_value, nvpair_name(prop)); |
2703 | if (zfs_secpolicy_inherit(zc, CRED()) == 0) | |
2704 | (void) zfs_ioc_inherit_prop(zc); | |
2705 | } | |
2706 | kmem_free(zc, sizeof (zfs_cmd_t)); | |
2707 | } | |
2708 | ||
34dc7c2f BB |
2709 | /* |
2710 | * inputs: | |
2711 | * zc_name name of containing filesystem | |
2712 | * zc_nvlist_src{_size} nvlist of properties to apply | |
2713 | * zc_value name of snapshot to create | |
2714 | * zc_string name of clone origin (if DRR_FLAG_CLONE) | |
2715 | * zc_cookie file descriptor to recv from | |
2716 | * zc_begin_record the BEGIN record of the stream (not byteswapped) | |
2717 | * zc_guid force flag | |
2718 | * | |
2719 | * outputs: | |
2720 | * zc_cookie number of bytes read | |
2721 | */ | |
2722 | static int | |
2723 | zfs_ioc_recv(zfs_cmd_t *zc) | |
2724 | { | |
2725 | file_t *fp; | |
2726 | objset_t *os; | |
2727 | dmu_recv_cookie_t drc; | |
34dc7c2f BB |
2728 | boolean_t force = (boolean_t)zc->zc_guid; |
2729 | int error, fd; | |
2730 | offset_t off; | |
2731 | nvlist_t *props = NULL; | |
b128c09f | 2732 | nvlist_t *origprops = NULL; |
34dc7c2f BB |
2733 | objset_t *origin = NULL; |
2734 | char *tosnap; | |
2735 | char tofs[ZFS_MAXNAMELEN]; | |
2736 | ||
2737 | if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || | |
2738 | strchr(zc->zc_value, '@') == NULL || | |
2739 | strchr(zc->zc_value, '%')) | |
2740 | return (EINVAL); | |
2741 | ||
2742 | (void) strcpy(tofs, zc->zc_value); | |
2743 | tosnap = strchr(tofs, '@'); | |
2744 | *tosnap = '\0'; | |
2745 | tosnap++; | |
2746 | ||
2747 | if (zc->zc_nvlist_src != NULL && | |
2748 | (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
9babb374 | 2749 | zc->zc_iflags, &props)) != 0) |
34dc7c2f BB |
2750 | return (error); |
2751 | ||
2752 | fd = zc->zc_cookie; | |
2753 | fp = getf(fd); | |
2754 | if (fp == NULL) { | |
2755 | nvlist_free(props); | |
2756 | return (EBADF); | |
2757 | } | |
2758 | ||
45d1cae3 BB |
2759 | if (props && dmu_objset_open(tofs, DMU_OST_ANY, |
2760 | DS_MODE_USER | DS_MODE_READONLY, &os) == 0) { | |
b128c09f BB |
2761 | /* |
2762 | * If new properties are supplied, they are to completely | |
2763 | * replace the existing ones, so stash away the existing ones. | |
2764 | */ | |
9babb374 | 2765 | (void) dsl_prop_get_all(os, &origprops, TRUE); |
b128c09f | 2766 | |
34dc7c2f BB |
2767 | dmu_objset_close(os); |
2768 | } | |
2769 | ||
2770 | if (zc->zc_string[0]) { | |
2771 | error = dmu_objset_open(zc->zc_string, DMU_OST_ANY, | |
b128c09f BB |
2772 | DS_MODE_USER | DS_MODE_READONLY, &origin); |
2773 | if (error) | |
2774 | goto out; | |
34dc7c2f BB |
2775 | } |
2776 | ||
2777 | error = dmu_recv_begin(tofs, tosnap, &zc->zc_begin_record, | |
45d1cae3 | 2778 | force, origin, &drc); |
34dc7c2f BB |
2779 | if (origin) |
2780 | dmu_objset_close(origin); | |
b128c09f BB |
2781 | if (error) |
2782 | goto out; | |
34dc7c2f BB |
2783 | |
2784 | /* | |
b128c09f BB |
2785 | * Reset properties. We do this before we receive the stream |
2786 | * so that the properties are applied to the new data. | |
34dc7c2f BB |
2787 | */ |
2788 | if (props) { | |
d164b209 | 2789 | clear_props(tofs, origprops, props); |
b128c09f BB |
2790 | /* |
2791 | * XXX - Note, this is all-or-nothing; should be best-effort. | |
2792 | */ | |
2793 | (void) zfs_set_prop_nvlist(tofs, props); | |
34dc7c2f BB |
2794 | } |
2795 | ||
34dc7c2f BB |
2796 | off = fp->f_offset; |
2797 | error = dmu_recv_stream(&drc, fp->f_vnode, &off); | |
2798 | ||
45d1cae3 BB |
2799 | if (error == 0) { |
2800 | zfsvfs_t *zfsvfs = NULL; | |
b128c09f | 2801 | |
45d1cae3 BB |
2802 | if (getzfsvfs(tofs, &zfsvfs) == 0) { |
2803 | /* online recv */ | |
2804 | int end_err; | |
2805 | char *osname; | |
2806 | int mode; | |
b128c09f | 2807 | |
45d1cae3 BB |
2808 | osname = kmem_alloc(MAXNAMELEN, KM_SLEEP); |
2809 | error = zfs_suspend_fs(zfsvfs, osname, &mode); | |
2810 | /* | |
2811 | * If the suspend fails, then the recv_end will | |
2812 | * likely also fail, and clean up after itself. | |
2813 | */ | |
2814 | end_err = dmu_recv_end(&drc); | |
2815 | if (error == 0) { | |
2816 | int resume_err = | |
2817 | zfs_resume_fs(zfsvfs, osname, mode); | |
2818 | error = error ? error : resume_err; | |
2819 | } | |
2820 | error = error ? error : end_err; | |
2821 | VFS_RELE(zfsvfs->z_vfs); | |
2822 | kmem_free(osname, MAXNAMELEN); | |
b128c09f | 2823 | } else { |
45d1cae3 | 2824 | error = dmu_recv_end(&drc); |
34dc7c2f | 2825 | } |
34dc7c2f BB |
2826 | } |
2827 | ||
2828 | zc->zc_cookie = off - fp->f_offset; | |
2829 | if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) | |
2830 | fp->f_offset = off; | |
2831 | ||
b128c09f BB |
2832 | /* |
2833 | * On error, restore the original props. | |
2834 | */ | |
2835 | if (error && props) { | |
d164b209 | 2836 | clear_props(tofs, props, NULL); |
b128c09f BB |
2837 | (void) zfs_set_prop_nvlist(tofs, origprops); |
2838 | } | |
2839 | out: | |
b128c09f BB |
2840 | nvlist_free(props); |
2841 | nvlist_free(origprops); | |
34dc7c2f BB |
2842 | releasef(fd); |
2843 | return (error); | |
2844 | } | |
2845 | ||
2846 | /* | |
2847 | * inputs: | |
2848 | * zc_name name of snapshot to send | |
2849 | * zc_value short name of incremental fromsnap (may be empty) | |
2850 | * zc_cookie file descriptor to send stream to | |
2851 | * zc_obj fromorigin flag (mutually exclusive with zc_value) | |
2852 | * | |
2853 | * outputs: none | |
2854 | */ | |
2855 | static int | |
2856 | zfs_ioc_send(zfs_cmd_t *zc) | |
2857 | { | |
2858 | objset_t *fromsnap = NULL; | |
2859 | objset_t *tosnap; | |
2860 | file_t *fp; | |
2861 | int error; | |
2862 | offset_t off; | |
2863 | ||
2864 | error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
b128c09f | 2865 | DS_MODE_USER | DS_MODE_READONLY, &tosnap); |
34dc7c2f BB |
2866 | if (error) |
2867 | return (error); | |
2868 | ||
2869 | if (zc->zc_value[0] != '\0') { | |
b128c09f | 2870 | char *buf; |
34dc7c2f BB |
2871 | char *cp; |
2872 | ||
b128c09f BB |
2873 | buf = kmem_alloc(MAXPATHLEN, KM_SLEEP); |
2874 | (void) strncpy(buf, zc->zc_name, MAXPATHLEN); | |
34dc7c2f BB |
2875 | cp = strchr(buf, '@'); |
2876 | if (cp) | |
2877 | *(cp+1) = 0; | |
b128c09f | 2878 | (void) strncat(buf, zc->zc_value, MAXPATHLEN); |
34dc7c2f | 2879 | error = dmu_objset_open(buf, DMU_OST_ANY, |
b128c09f BB |
2880 | DS_MODE_USER | DS_MODE_READONLY, &fromsnap); |
2881 | kmem_free(buf, MAXPATHLEN); | |
34dc7c2f BB |
2882 | if (error) { |
2883 | dmu_objset_close(tosnap); | |
2884 | return (error); | |
2885 | } | |
2886 | } | |
2887 | ||
2888 | fp = getf(zc->zc_cookie); | |
2889 | if (fp == NULL) { | |
2890 | dmu_objset_close(tosnap); | |
2891 | if (fromsnap) | |
2892 | dmu_objset_close(fromsnap); | |
2893 | return (EBADF); | |
2894 | } | |
2895 | ||
2896 | off = fp->f_offset; | |
2897 | error = dmu_sendbackup(tosnap, fromsnap, zc->zc_obj, fp->f_vnode, &off); | |
2898 | ||
2899 | if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) | |
2900 | fp->f_offset = off; | |
2901 | releasef(zc->zc_cookie); | |
2902 | if (fromsnap) | |
2903 | dmu_objset_close(fromsnap); | |
2904 | dmu_objset_close(tosnap); | |
2905 | return (error); | |
2906 | } | |
2907 | ||
2908 | static int | |
2909 | zfs_ioc_inject_fault(zfs_cmd_t *zc) | |
2910 | { | |
2911 | int id, error; | |
2912 | ||
2913 | error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, | |
2914 | &zc->zc_inject_record); | |
2915 | ||
2916 | if (error == 0) | |
2917 | zc->zc_guid = (uint64_t)id; | |
2918 | ||
2919 | return (error); | |
2920 | } | |
2921 | ||
2922 | static int | |
2923 | zfs_ioc_clear_fault(zfs_cmd_t *zc) | |
2924 | { | |
2925 | return (zio_clear_fault((int)zc->zc_guid)); | |
2926 | } | |
2927 | ||
2928 | static int | |
2929 | zfs_ioc_inject_list_next(zfs_cmd_t *zc) | |
2930 | { | |
2931 | int id = (int)zc->zc_guid; | |
2932 | int error; | |
2933 | ||
2934 | error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), | |
2935 | &zc->zc_inject_record); | |
2936 | ||
2937 | zc->zc_guid = id; | |
2938 | ||
2939 | return (error); | |
2940 | } | |
2941 | ||
2942 | static int | |
2943 | zfs_ioc_error_log(zfs_cmd_t *zc) | |
2944 | { | |
2945 | spa_t *spa; | |
2946 | int error; | |
2947 | size_t count = (size_t)zc->zc_nvlist_dst_size; | |
2948 | ||
2949 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
2950 | return (error); | |
2951 | ||
2952 | error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, | |
2953 | &count); | |
2954 | if (error == 0) | |
2955 | zc->zc_nvlist_dst_size = count; | |
2956 | else | |
2957 | zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); | |
2958 | ||
2959 | spa_close(spa, FTAG); | |
2960 | ||
2961 | return (error); | |
2962 | } | |
2963 | ||
2964 | static int | |
2965 | zfs_ioc_clear(zfs_cmd_t *zc) | |
2966 | { | |
2967 | spa_t *spa; | |
2968 | vdev_t *vd; | |
34dc7c2f BB |
2969 | int error; |
2970 | ||
34dc7c2f | 2971 | /* |
b128c09f | 2972 | * On zpool clear we also fix up missing slogs |
34dc7c2f | 2973 | */ |
b128c09f BB |
2974 | mutex_enter(&spa_namespace_lock); |
2975 | spa = spa_lookup(zc->zc_name); | |
2976 | if (spa == NULL) { | |
2977 | mutex_exit(&spa_namespace_lock); | |
2978 | return (EIO); | |
2979 | } | |
2980 | if (spa->spa_log_state == SPA_LOG_MISSING) { | |
2981 | /* we need to let spa_open/spa_load clear the chains */ | |
2982 | spa->spa_log_state = SPA_LOG_CLEAR; | |
34dc7c2f | 2983 | } |
b128c09f | 2984 | mutex_exit(&spa_namespace_lock); |
34dc7c2f | 2985 | |
b128c09f BB |
2986 | if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
2987 | return (error); | |
2988 | ||
2989 | spa_vdev_state_enter(spa); | |
34dc7c2f BB |
2990 | |
2991 | if (zc->zc_guid == 0) { | |
2992 | vd = NULL; | |
b128c09f BB |
2993 | } else { |
2994 | vd = spa_lookup_by_guid(spa, zc->zc_guid, B_TRUE); | |
34dc7c2f | 2995 | if (vd == NULL) { |
b128c09f | 2996 | (void) spa_vdev_state_exit(spa, NULL, ENODEV); |
34dc7c2f BB |
2997 | spa_close(spa, FTAG); |
2998 | return (ENODEV); | |
2999 | } | |
3000 | } | |
3001 | ||
b128c09f BB |
3002 | vdev_clear(spa, vd); |
3003 | ||
3004 | (void) spa_vdev_state_exit(spa, NULL, 0); | |
34dc7c2f | 3005 | |
b128c09f BB |
3006 | /* |
3007 | * Resume any suspended I/Os. | |
3008 | */ | |
9babb374 BB |
3009 | if (zio_resume(spa) != 0) |
3010 | error = EIO; | |
34dc7c2f BB |
3011 | |
3012 | spa_close(spa, FTAG); | |
3013 | ||
9babb374 | 3014 | return (error); |
34dc7c2f BB |
3015 | } |
3016 | ||
3017 | /* | |
3018 | * inputs: | |
3019 | * zc_name name of filesystem | |
3020 | * zc_value name of origin snapshot | |
3021 | * | |
3022 | * outputs: none | |
3023 | */ | |
3024 | static int | |
3025 | zfs_ioc_promote(zfs_cmd_t *zc) | |
3026 | { | |
3027 | char *cp; | |
3028 | ||
3029 | /* | |
3030 | * We don't need to unmount *all* the origin fs's snapshots, but | |
3031 | * it's easier. | |
3032 | */ | |
3033 | cp = strchr(zc->zc_value, '@'); | |
3034 | if (cp) | |
3035 | *cp = '\0'; | |
3036 | (void) dmu_objset_find(zc->zc_value, | |
3037 | zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); | |
3038 | return (dsl_dataset_promote(zc->zc_name)); | |
3039 | } | |
3040 | ||
9babb374 BB |
3041 | /* |
3042 | * Retrieve a single {user|group}{used|quota}@... property. | |
3043 | * | |
3044 | * inputs: | |
3045 | * zc_name name of filesystem | |
3046 | * zc_objset_type zfs_userquota_prop_t | |
3047 | * zc_value domain name (eg. "S-1-234-567-89") | |
3048 | * zc_guid RID/UID/GID | |
3049 | * | |
3050 | * outputs: | |
3051 | * zc_cookie property value | |
3052 | */ | |
3053 | static int | |
3054 | zfs_ioc_userspace_one(zfs_cmd_t *zc) | |
3055 | { | |
3056 | zfsvfs_t *zfsvfs; | |
3057 | int error; | |
3058 | ||
3059 | if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS) | |
3060 | return (EINVAL); | |
3061 | ||
3062 | error = zfsvfs_hold(zc->zc_name, B_TRUE, FTAG, &zfsvfs); | |
3063 | if (error) | |
3064 | return (error); | |
3065 | ||
3066 | error = zfs_userspace_one(zfsvfs, | |
3067 | zc->zc_objset_type, zc->zc_value, zc->zc_guid, &zc->zc_cookie); | |
3068 | zfsvfs_rele(zfsvfs, FTAG); | |
3069 | ||
3070 | return (error); | |
3071 | } | |
3072 | ||
3073 | /* | |
3074 | * inputs: | |
3075 | * zc_name name of filesystem | |
3076 | * zc_cookie zap cursor | |
3077 | * zc_objset_type zfs_userquota_prop_t | |
3078 | * zc_nvlist_dst[_size] buffer to fill (not really an nvlist) | |
3079 | * | |
3080 | * outputs: | |
3081 | * zc_nvlist_dst[_size] data buffer (array of zfs_useracct_t) | |
3082 | * zc_cookie zap cursor | |
3083 | */ | |
3084 | static int | |
3085 | zfs_ioc_userspace_many(zfs_cmd_t *zc) | |
3086 | { | |
3087 | zfsvfs_t *zfsvfs; | |
3088 | int error; | |
3089 | ||
3090 | error = zfsvfs_hold(zc->zc_name, B_TRUE, FTAG, &zfsvfs); | |
3091 | if (error) | |
3092 | return (error); | |
3093 | ||
3094 | int bufsize = zc->zc_nvlist_dst_size; | |
3095 | void *buf = kmem_alloc(bufsize, KM_SLEEP); | |
3096 | ||
3097 | error = zfs_userspace_many(zfsvfs, zc->zc_objset_type, &zc->zc_cookie, | |
3098 | buf, &zc->zc_nvlist_dst_size); | |
3099 | ||
3100 | if (error == 0) { | |
3101 | error = xcopyout(buf, | |
3102 | (void *)(uintptr_t)zc->zc_nvlist_dst, | |
3103 | zc->zc_nvlist_dst_size); | |
3104 | } | |
3105 | kmem_free(buf, bufsize); | |
3106 | zfsvfs_rele(zfsvfs, FTAG); | |
3107 | ||
3108 | return (error); | |
3109 | } | |
3110 | ||
3111 | /* | |
3112 | * inputs: | |
3113 | * zc_name name of filesystem | |
3114 | * | |
3115 | * outputs: | |
3116 | * none | |
3117 | */ | |
3118 | static int | |
3119 | zfs_ioc_userspace_upgrade(zfs_cmd_t *zc) | |
3120 | { | |
3121 | objset_t *os; | |
3122 | int error; | |
3123 | zfsvfs_t *zfsvfs; | |
3124 | ||
3125 | if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) { | |
3126 | if (!dmu_objset_userused_enabled(zfsvfs->z_os->os)) { | |
3127 | /* | |
3128 | * If userused is not enabled, it may be because the | |
3129 | * objset needs to be closed & reopened (to grow the | |
3130 | * objset_phys_t). Suspend/resume the fs will do that. | |
3131 | */ | |
3132 | int mode; | |
3133 | error = zfs_suspend_fs(zfsvfs, NULL, &mode); | |
3134 | if (error == 0) { | |
3135 | error = zfs_resume_fs(zfsvfs, | |
3136 | zc->zc_name, mode); | |
3137 | } | |
3138 | } | |
3139 | if (error == 0) | |
3140 | error = dmu_objset_userspace_upgrade(zfsvfs->z_os); | |
3141 | VFS_RELE(zfsvfs->z_vfs); | |
3142 | } else { | |
3143 | error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
3144 | DS_MODE_USER, &os); | |
3145 | if (error) | |
3146 | return (error); | |
3147 | ||
3148 | error = dmu_objset_userspace_upgrade(os); | |
3149 | dmu_objset_close(os); | |
3150 | } | |
3151 | ||
3152 | return (error); | |
3153 | } | |
3154 | ||
34dc7c2f BB |
3155 | /* |
3156 | * We don't want to have a hard dependency | |
3157 | * against some special symbols in sharefs | |
3158 | * nfs, and smbsrv. Determine them if needed when | |
3159 | * the first file system is shared. | |
3160 | * Neither sharefs, nfs or smbsrv are unloadable modules. | |
3161 | */ | |
3162 | int (*znfsexport_fs)(void *arg); | |
3163 | int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); | |
3164 | int (*zsmbexport_fs)(void *arg, boolean_t add_share); | |
3165 | ||
3166 | int zfs_nfsshare_inited; | |
3167 | int zfs_smbshare_inited; | |
3168 | ||
3169 | ddi_modhandle_t nfs_mod; | |
3170 | ddi_modhandle_t sharefs_mod; | |
3171 | ddi_modhandle_t smbsrv_mod; | |
3172 | kmutex_t zfs_share_lock; | |
3173 | ||
3174 | static int | |
3175 | zfs_init_sharefs() | |
3176 | { | |
3177 | int error; | |
3178 | ||
3179 | ASSERT(MUTEX_HELD(&zfs_share_lock)); | |
3180 | /* Both NFS and SMB shares also require sharetab support. */ | |
3181 | if (sharefs_mod == NULL && ((sharefs_mod = | |
3182 | ddi_modopen("fs/sharefs", | |
3183 | KRTLD_MODE_FIRST, &error)) == NULL)) { | |
3184 | return (ENOSYS); | |
3185 | } | |
3186 | if (zshare_fs == NULL && ((zshare_fs = | |
3187 | (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) | |
3188 | ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { | |
3189 | return (ENOSYS); | |
3190 | } | |
3191 | return (0); | |
3192 | } | |
3193 | ||
3194 | static int | |
3195 | zfs_ioc_share(zfs_cmd_t *zc) | |
3196 | { | |
3197 | int error; | |
3198 | int opcode; | |
3199 | ||
3200 | switch (zc->zc_share.z_sharetype) { | |
3201 | case ZFS_SHARE_NFS: | |
3202 | case ZFS_UNSHARE_NFS: | |
3203 | if (zfs_nfsshare_inited == 0) { | |
3204 | mutex_enter(&zfs_share_lock); | |
3205 | if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs", | |
3206 | KRTLD_MODE_FIRST, &error)) == NULL)) { | |
3207 | mutex_exit(&zfs_share_lock); | |
3208 | return (ENOSYS); | |
3209 | } | |
3210 | if (znfsexport_fs == NULL && | |
3211 | ((znfsexport_fs = (int (*)(void *)) | |
3212 | ddi_modsym(nfs_mod, | |
3213 | "nfs_export", &error)) == NULL)) { | |
3214 | mutex_exit(&zfs_share_lock); | |
3215 | return (ENOSYS); | |
3216 | } | |
3217 | error = zfs_init_sharefs(); | |
3218 | if (error) { | |
3219 | mutex_exit(&zfs_share_lock); | |
3220 | return (ENOSYS); | |
3221 | } | |
3222 | zfs_nfsshare_inited = 1; | |
3223 | mutex_exit(&zfs_share_lock); | |
3224 | } | |
3225 | break; | |
3226 | case ZFS_SHARE_SMB: | |
3227 | case ZFS_UNSHARE_SMB: | |
3228 | if (zfs_smbshare_inited == 0) { | |
3229 | mutex_enter(&zfs_share_lock); | |
3230 | if (smbsrv_mod == NULL && ((smbsrv_mod = | |
3231 | ddi_modopen("drv/smbsrv", | |
3232 | KRTLD_MODE_FIRST, &error)) == NULL)) { | |
3233 | mutex_exit(&zfs_share_lock); | |
3234 | return (ENOSYS); | |
3235 | } | |
3236 | if (zsmbexport_fs == NULL && ((zsmbexport_fs = | |
3237 | (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod, | |
3238 | "smb_server_share", &error)) == NULL)) { | |
3239 | mutex_exit(&zfs_share_lock); | |
3240 | return (ENOSYS); | |
3241 | } | |
3242 | error = zfs_init_sharefs(); | |
3243 | if (error) { | |
3244 | mutex_exit(&zfs_share_lock); | |
3245 | return (ENOSYS); | |
3246 | } | |
3247 | zfs_smbshare_inited = 1; | |
3248 | mutex_exit(&zfs_share_lock); | |
3249 | } | |
3250 | break; | |
3251 | default: | |
3252 | return (EINVAL); | |
3253 | } | |
3254 | ||
3255 | switch (zc->zc_share.z_sharetype) { | |
3256 | case ZFS_SHARE_NFS: | |
3257 | case ZFS_UNSHARE_NFS: | |
3258 | if (error = | |
3259 | znfsexport_fs((void *) | |
3260 | (uintptr_t)zc->zc_share.z_exportdata)) | |
3261 | return (error); | |
3262 | break; | |
3263 | case ZFS_SHARE_SMB: | |
3264 | case ZFS_UNSHARE_SMB: | |
3265 | if (error = zsmbexport_fs((void *) | |
3266 | (uintptr_t)zc->zc_share.z_exportdata, | |
3267 | zc->zc_share.z_sharetype == ZFS_SHARE_SMB ? | |
9babb374 | 3268 | B_TRUE: B_FALSE)) { |
34dc7c2f BB |
3269 | return (error); |
3270 | } | |
3271 | break; | |
3272 | } | |
3273 | ||
3274 | opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS || | |
3275 | zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ? | |
3276 | SHAREFS_ADD : SHAREFS_REMOVE; | |
3277 | ||
3278 | /* | |
3279 | * Add or remove share from sharetab | |
3280 | */ | |
3281 | error = zshare_fs(opcode, | |
3282 | (void *)(uintptr_t)zc->zc_share.z_sharedata, | |
3283 | zc->zc_share.z_sharemax); | |
3284 | ||
3285 | return (error); | |
3286 | ||
3287 | } | |
3288 | ||
9babb374 BB |
3289 | ace_t full_access[] = { |
3290 | {(uid_t)-1, ACE_ALL_PERMS, ACE_EVERYONE, 0} | |
3291 | }; | |
3292 | ||
3293 | /* | |
3294 | * Remove all ACL files in shares dir | |
3295 | */ | |
3296 | static int | |
3297 | zfs_smb_acl_purge(znode_t *dzp) | |
3298 | { | |
3299 | zap_cursor_t zc; | |
3300 | zap_attribute_t zap; | |
3301 | zfsvfs_t *zfsvfs = dzp->z_zfsvfs; | |
3302 | int error; | |
3303 | ||
3304 | for (zap_cursor_init(&zc, zfsvfs->z_os, dzp->z_id); | |
3305 | (error = zap_cursor_retrieve(&zc, &zap)) == 0; | |
3306 | zap_cursor_advance(&zc)) { | |
3307 | if ((error = VOP_REMOVE(ZTOV(dzp), zap.za_name, kcred, | |
3308 | NULL, 0)) != 0) | |
3309 | break; | |
3310 | } | |
3311 | zap_cursor_fini(&zc); | |
3312 | return (error); | |
3313 | } | |
3314 | ||
3315 | static int | |
3316 | zfs_ioc_smb_acl(zfs_cmd_t *zc) | |
3317 | { | |
3318 | vnode_t *vp; | |
3319 | znode_t *dzp; | |
3320 | vnode_t *resourcevp = NULL; | |
3321 | znode_t *sharedir; | |
3322 | zfsvfs_t *zfsvfs; | |
3323 | nvlist_t *nvlist; | |
3324 | char *src, *target; | |
3325 | vattr_t vattr; | |
3326 | vsecattr_t vsec; | |
3327 | int error = 0; | |
3328 | ||
3329 | if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, | |
3330 | NO_FOLLOW, NULL, &vp)) != 0) | |
3331 | return (error); | |
3332 | ||
3333 | /* Now make sure mntpnt and dataset are ZFS */ | |
3334 | ||
3335 | if (vp->v_vfsp->vfs_fstype != zfsfstype || | |
3336 | (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), | |
3337 | zc->zc_name) != 0)) { | |
3338 | VN_RELE(vp); | |
3339 | return (EINVAL); | |
3340 | } | |
3341 | ||
3342 | dzp = VTOZ(vp); | |
3343 | zfsvfs = dzp->z_zfsvfs; | |
3344 | ZFS_ENTER(zfsvfs); | |
3345 | ||
3346 | /* | |
3347 | * Create share dir if its missing. | |
3348 | */ | |
3349 | mutex_enter(&zfsvfs->z_lock); | |
3350 | if (zfsvfs->z_shares_dir == 0) { | |
3351 | dmu_tx_t *tx; | |
3352 | ||
3353 | tx = dmu_tx_create(zfsvfs->z_os); | |
3354 | dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, TRUE, | |
3355 | ZFS_SHARES_DIR); | |
3356 | dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL); | |
3357 | error = dmu_tx_assign(tx, TXG_WAIT); | |
3358 | if (error) { | |
3359 | dmu_tx_abort(tx); | |
3360 | } else { | |
3361 | error = zfs_create_share_dir(zfsvfs, tx); | |
3362 | dmu_tx_commit(tx); | |
3363 | } | |
3364 | if (error) { | |
3365 | mutex_exit(&zfsvfs->z_lock); | |
3366 | VN_RELE(vp); | |
3367 | ZFS_EXIT(zfsvfs); | |
3368 | return (error); | |
3369 | } | |
3370 | } | |
3371 | mutex_exit(&zfsvfs->z_lock); | |
3372 | ||
3373 | ASSERT(zfsvfs->z_shares_dir); | |
3374 | if ((error = zfs_zget(zfsvfs, zfsvfs->z_shares_dir, &sharedir)) != 0) { | |
3375 | VN_RELE(vp); | |
3376 | ZFS_EXIT(zfsvfs); | |
3377 | return (error); | |
3378 | } | |
3379 | ||
3380 | switch (zc->zc_cookie) { | |
3381 | case ZFS_SMB_ACL_ADD: | |
3382 | vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE; | |
3383 | vattr.va_type = VREG; | |
3384 | vattr.va_mode = S_IFREG|0777; | |
3385 | vattr.va_uid = 0; | |
3386 | vattr.va_gid = 0; | |
3387 | ||
3388 | vsec.vsa_mask = VSA_ACE; | |
3389 | vsec.vsa_aclentp = &full_access; | |
3390 | vsec.vsa_aclentsz = sizeof (full_access); | |
3391 | vsec.vsa_aclcnt = 1; | |
3392 | ||
3393 | error = VOP_CREATE(ZTOV(sharedir), zc->zc_string, | |
3394 | &vattr, EXCL, 0, &resourcevp, kcred, 0, NULL, &vsec); | |
3395 | if (resourcevp) | |
3396 | VN_RELE(resourcevp); | |
3397 | break; | |
3398 | ||
3399 | case ZFS_SMB_ACL_REMOVE: | |
3400 | error = VOP_REMOVE(ZTOV(sharedir), zc->zc_string, kcred, | |
3401 | NULL, 0); | |
3402 | break; | |
3403 | ||
3404 | case ZFS_SMB_ACL_RENAME: | |
3405 | if ((error = get_nvlist(zc->zc_nvlist_src, | |
3406 | zc->zc_nvlist_src_size, zc->zc_iflags, &nvlist)) != 0) { | |
3407 | VN_RELE(vp); | |
3408 | ZFS_EXIT(zfsvfs); | |
3409 | return (error); | |
3410 | } | |
3411 | if (nvlist_lookup_string(nvlist, ZFS_SMB_ACL_SRC, &src) || | |
3412 | nvlist_lookup_string(nvlist, ZFS_SMB_ACL_TARGET, | |
3413 | &target)) { | |
3414 | VN_RELE(vp); | |
3415 | VN_RELE(ZTOV(sharedir)); | |
3416 | ZFS_EXIT(zfsvfs); | |
3417 | return (error); | |
3418 | } | |
3419 | error = VOP_RENAME(ZTOV(sharedir), src, ZTOV(sharedir), target, | |
3420 | kcred, NULL, 0); | |
3421 | nvlist_free(nvlist); | |
3422 | break; | |
3423 | ||
3424 | case ZFS_SMB_ACL_PURGE: | |
3425 | error = zfs_smb_acl_purge(sharedir); | |
3426 | break; | |
3427 | ||
3428 | default: | |
3429 | error = EINVAL; | |
3430 | break; | |
3431 | } | |
3432 | ||
3433 | VN_RELE(vp); | |
3434 | VN_RELE(ZTOV(sharedir)); | |
3435 | ||
3436 | ZFS_EXIT(zfsvfs); | |
3437 | ||
3438 | return (error); | |
3439 | } | |
3440 | ||
45d1cae3 BB |
3441 | /* |
3442 | * inputs: | |
3443 | * zc_name name of filesystem | |
3444 | * zc_value short name of snap | |
3445 | * zc_string user-supplied tag for this reference | |
3446 | * zc_cookie recursive flag | |
3447 | * | |
3448 | * outputs: none | |
3449 | */ | |
3450 | static int | |
3451 | zfs_ioc_hold(zfs_cmd_t *zc) | |
3452 | { | |
3453 | boolean_t recursive = zc->zc_cookie; | |
3454 | ||
3455 | if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) | |
3456 | return (EINVAL); | |
3457 | ||
3458 | return (dsl_dataset_user_hold(zc->zc_name, zc->zc_value, | |
3459 | zc->zc_string, recursive)); | |
3460 | } | |
3461 | ||
3462 | /* | |
3463 | * inputs: | |
3464 | * zc_name name of dataset from which we're releasing a user reference | |
3465 | * zc_value short name of snap | |
3466 | * zc_string user-supplied tag for this reference | |
3467 | * zc_cookie recursive flag | |
3468 | * | |
3469 | * outputs: none | |
3470 | */ | |
3471 | static int | |
3472 | zfs_ioc_release(zfs_cmd_t *zc) | |
3473 | { | |
3474 | boolean_t recursive = zc->zc_cookie; | |
3475 | ||
3476 | if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) | |
3477 | return (EINVAL); | |
3478 | ||
3479 | return (dsl_dataset_user_release(zc->zc_name, zc->zc_value, | |
3480 | zc->zc_string, recursive)); | |
3481 | } | |
3482 | ||
3483 | /* | |
3484 | * inputs: | |
3485 | * zc_name name of filesystem | |
3486 | * | |
3487 | * outputs: | |
3488 | * zc_nvlist_src{_size} nvlist of snapshot holds | |
3489 | */ | |
3490 | static int | |
3491 | zfs_ioc_get_holds(zfs_cmd_t *zc) | |
3492 | { | |
3493 | nvlist_t *nvp; | |
3494 | int error; | |
3495 | ||
3496 | if ((error = dsl_dataset_get_holds(zc->zc_name, &nvp)) == 0) { | |
3497 | error = put_nvlist(zc, nvp); | |
3498 | nvlist_free(nvp); | |
3499 | } | |
3500 | ||
3501 | return (error); | |
3502 | } | |
3503 | ||
34dc7c2f BB |
3504 | /* |
3505 | * pool create, destroy, and export don't log the history as part of | |
3506 | * zfsdev_ioctl, but rather zfs_ioc_pool_create, and zfs_ioc_pool_export | |
3507 | * do the logging of those commands. | |
3508 | */ | |
3509 | static zfs_ioc_vec_t zfs_ioc_vec[] = { | |
9babb374 BB |
3510 | { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE, |
3511 | B_FALSE }, | |
3512 | { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE, | |
3513 | B_FALSE }, | |
3514 | { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE, | |
3515 | B_FALSE }, | |
3516 | { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE, | |
3517 | B_FALSE }, | |
3518 | { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE, | |
3519 | B_FALSE }, | |
3520 | { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE, | |
3521 | B_FALSE }, | |
3522 | { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE, | |
3523 | B_FALSE }, | |
3524 | { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE, | |
3525 | B_TRUE }, | |
3526 | { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE, | |
3527 | B_FALSE }, | |
3528 | { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE, | |
3529 | B_TRUE }, | |
3530 | { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE, | |
3531 | B_FALSE }, | |
3532 | { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE, | |
3533 | B_TRUE }, | |
3534 | { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE, | |
3535 | B_TRUE }, | |
3536 | { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE, | |
3537 | B_FALSE }, | |
3538 | { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE, | |
3539 | B_TRUE }, | |
3540 | { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE, | |
3541 | B_TRUE }, | |
3542 | { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE, | |
3543 | B_TRUE }, | |
3544 | { zfs_ioc_vdev_setfru, zfs_secpolicy_config, POOL_NAME, B_FALSE, | |
3545 | B_TRUE }, | |
3546 | { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE, | |
3547 | B_FALSE }, | |
3548 | { zfs_ioc_objset_zplprops, zfs_secpolicy_read, DATASET_NAME, B_FALSE, | |
3549 | B_FALSE }, | |
3550 | { zfs_ioc_dataset_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE, | |
3551 | B_FALSE }, | |
3552 | { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE, | |
3553 | B_FALSE }, | |
3554 | { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE, B_TRUE }, | |
3555 | { zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE, | |
3556 | B_FALSE }, | |
3557 | { zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE, | |
3558 | B_FALSE }, | |
3559 | { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE, B_TRUE }, | |
3560 | { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE, | |
3561 | B_TRUE}, | |
3562 | { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE, | |
3563 | B_TRUE }, | |
3564 | { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE, B_TRUE }, | |
3565 | { zfs_ioc_recv, zfs_secpolicy_receive, DATASET_NAME, B_TRUE, B_TRUE }, | |
3566 | { zfs_ioc_send, zfs_secpolicy_send, DATASET_NAME, B_TRUE, B_FALSE }, | |
3567 | { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE, | |
3568 | B_FALSE }, | |
3569 | { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE, | |
3570 | B_FALSE }, | |
3571 | { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE, | |
3572 | B_FALSE }, | |
3573 | { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE, | |
3574 | B_FALSE }, | |
3575 | { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE, B_FALSE }, | |
3576 | { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE, | |
3577 | B_TRUE }, | |
3578 | { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE, | |
3579 | B_TRUE }, | |
3580 | { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE, | |
3581 | B_TRUE }, | |
3582 | { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE, | |
3583 | B_FALSE }, | |
45d1cae3 BB |
3584 | { zfs_ioc_obj_to_path, zfs_secpolicy_config, DATASET_NAME, B_FALSE, |
3585 | B_TRUE }, | |
9babb374 BB |
3586 | { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE, |
3587 | B_TRUE }, | |
3588 | { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE, | |
3589 | B_FALSE }, | |
3590 | { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE, | |
3591 | B_TRUE }, | |
3592 | { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE, | |
3593 | B_FALSE }, | |
3594 | { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, DATASET_NAME, B_FALSE, | |
3595 | B_FALSE }, | |
3596 | { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE, B_FALSE }, | |
3597 | { zfs_ioc_inherit_prop, zfs_secpolicy_inherit, DATASET_NAME, B_TRUE, | |
3598 | B_TRUE }, | |
3599 | { zfs_ioc_smb_acl, zfs_secpolicy_smb_acl, DATASET_NAME, B_FALSE, | |
3600 | B_FALSE }, | |
3601 | { zfs_ioc_userspace_one, zfs_secpolicy_userspace_one, | |
3602 | DATASET_NAME, B_FALSE, B_FALSE }, | |
3603 | { zfs_ioc_userspace_many, zfs_secpolicy_userspace_many, | |
3604 | DATASET_NAME, B_FALSE, B_FALSE }, | |
3605 | { zfs_ioc_userspace_upgrade, zfs_secpolicy_userspace_upgrade, | |
3606 | DATASET_NAME, B_FALSE, B_TRUE }, | |
45d1cae3 BB |
3607 | { zfs_ioc_hold, zfs_secpolicy_hold, DATASET_NAME, B_TRUE, B_TRUE }, |
3608 | { zfs_ioc_release, zfs_secpolicy_release, DATASET_NAME, B_TRUE, | |
3609 | B_TRUE }, | |
3610 | { zfs_ioc_get_holds, zfs_secpolicy_read, DATASET_NAME, B_FALSE, | |
3611 | B_TRUE } | |
34dc7c2f BB |
3612 | }; |
3613 | ||
9babb374 BB |
3614 | int |
3615 | pool_status_check(const char *name, zfs_ioc_namecheck_t type) | |
3616 | { | |
3617 | spa_t *spa; | |
3618 | int error; | |
3619 | ||
3620 | ASSERT(type == POOL_NAME || type == DATASET_NAME); | |
3621 | ||
3622 | error = spa_open(name, &spa, FTAG); | |
3623 | if (error == 0) { | |
3624 | if (spa_suspended(spa)) | |
3625 | error = EAGAIN; | |
3626 | spa_close(spa, FTAG); | |
3627 | } | |
3628 | return (error); | |
3629 | } | |
3630 | ||
34dc7c2f BB |
3631 | static int |
3632 | zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) | |
3633 | { | |
3634 | zfs_cmd_t *zc; | |
3635 | uint_t vec; | |
3636 | int error, rc; | |
3637 | ||
3638 | if (getminor(dev) != 0) | |
3639 | return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); | |
3640 | ||
3641 | vec = cmd - ZFS_IOC; | |
3642 | ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip)); | |
3643 | ||
3644 | if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) | |
3645 | return (EINVAL); | |
3646 | ||
3647 | zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); | |
3648 | ||
9babb374 | 3649 | error = ddi_copyin((void *)arg, zc, sizeof (zfs_cmd_t), flag); |
34dc7c2f BB |
3650 | |
3651 | if (error == 0) | |
3652 | error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); | |
3653 | ||
3654 | /* | |
3655 | * Ensure that all pool/dataset names are valid before we pass down to | |
3656 | * the lower layers. | |
3657 | */ | |
3658 | if (error == 0) { | |
3659 | zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; | |
9babb374 | 3660 | zc->zc_iflags = flag & FKIOCTL; |
34dc7c2f BB |
3661 | switch (zfs_ioc_vec[vec].zvec_namecheck) { |
3662 | case POOL_NAME: | |
3663 | if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) | |
3664 | error = EINVAL; | |
9babb374 BB |
3665 | if (zfs_ioc_vec[vec].zvec_pool_check) |
3666 | error = pool_status_check(zc->zc_name, | |
3667 | zfs_ioc_vec[vec].zvec_namecheck); | |
34dc7c2f BB |
3668 | break; |
3669 | ||
3670 | case DATASET_NAME: | |
3671 | if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) | |
3672 | error = EINVAL; | |
9babb374 BB |
3673 | if (zfs_ioc_vec[vec].zvec_pool_check) |
3674 | error = pool_status_check(zc->zc_name, | |
3675 | zfs_ioc_vec[vec].zvec_namecheck); | |
34dc7c2f BB |
3676 | break; |
3677 | ||
3678 | case NO_NAME: | |
3679 | break; | |
3680 | } | |
3681 | } | |
3682 | ||
3683 | if (error == 0) | |
3684 | error = zfs_ioc_vec[vec].zvec_func(zc); | |
3685 | ||
9babb374 | 3686 | rc = ddi_copyout(zc, (void *)arg, sizeof (zfs_cmd_t), flag); |
34dc7c2f BB |
3687 | if (error == 0) { |
3688 | error = rc; | |
9babb374 | 3689 | if (zfs_ioc_vec[vec].zvec_his_log) |
34dc7c2f BB |
3690 | zfs_log_history(zc); |
3691 | } | |
3692 | ||
3693 | kmem_free(zc, sizeof (zfs_cmd_t)); | |
3694 | return (error); | |
3695 | } | |
3696 | ||
3697 | static int | |
3698 | zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) | |
3699 | { | |
3700 | if (cmd != DDI_ATTACH) | |
3701 | return (DDI_FAILURE); | |
3702 | ||
3703 | if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, | |
3704 | DDI_PSEUDO, 0) == DDI_FAILURE) | |
3705 | return (DDI_FAILURE); | |
3706 | ||
3707 | zfs_dip = dip; | |
3708 | ||
3709 | ddi_report_dev(dip); | |
3710 | ||
3711 | return (DDI_SUCCESS); | |
3712 | } | |
3713 | ||
3714 | static int | |
3715 | zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) | |
3716 | { | |
3717 | if (spa_busy() || zfs_busy() || zvol_busy()) | |
3718 | return (DDI_FAILURE); | |
3719 | ||
3720 | if (cmd != DDI_DETACH) | |
3721 | return (DDI_FAILURE); | |
3722 | ||
3723 | zfs_dip = NULL; | |
3724 | ||
3725 | ddi_prop_remove_all(dip); | |
3726 | ddi_remove_minor_node(dip, NULL); | |
3727 | ||
3728 | return (DDI_SUCCESS); | |
3729 | } | |
3730 | ||
3731 | /*ARGSUSED*/ | |
3732 | static int | |
3733 | zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) | |
3734 | { | |
3735 | switch (infocmd) { | |
3736 | case DDI_INFO_DEVT2DEVINFO: | |
3737 | *result = zfs_dip; | |
3738 | return (DDI_SUCCESS); | |
3739 | ||
3740 | case DDI_INFO_DEVT2INSTANCE: | |
3741 | *result = (void *)0; | |
3742 | return (DDI_SUCCESS); | |
3743 | } | |
3744 | ||
3745 | return (DDI_FAILURE); | |
3746 | } | |
3747 | ||
3748 | /* | |
3749 | * OK, so this is a little weird. | |
3750 | * | |
3751 | * /dev/zfs is the control node, i.e. minor 0. | |
3752 | * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. | |
3753 | * | |
3754 | * /dev/zfs has basically nothing to do except serve up ioctls, | |
3755 | * so most of the standard driver entry points are in zvol.c. | |
3756 | */ | |
3757 | static struct cb_ops zfs_cb_ops = { | |
3758 | zvol_open, /* open */ | |
3759 | zvol_close, /* close */ | |
3760 | zvol_strategy, /* strategy */ | |
3761 | nodev, /* print */ | |
3762 | zvol_dump, /* dump */ | |
3763 | zvol_read, /* read */ | |
3764 | zvol_write, /* write */ | |
3765 | zfsdev_ioctl, /* ioctl */ | |
3766 | nodev, /* devmap */ | |
3767 | nodev, /* mmap */ | |
3768 | nodev, /* segmap */ | |
3769 | nochpoll, /* poll */ | |
3770 | ddi_prop_op, /* prop_op */ | |
3771 | NULL, /* streamtab */ | |
3772 | D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ | |
3773 | CB_REV, /* version */ | |
3774 | nodev, /* async read */ | |
3775 | nodev, /* async write */ | |
3776 | }; | |
3777 | ||
3778 | static struct dev_ops zfs_dev_ops = { | |
3779 | DEVO_REV, /* version */ | |
3780 | 0, /* refcnt */ | |
3781 | zfs_info, /* info */ | |
3782 | nulldev, /* identify */ | |
3783 | nulldev, /* probe */ | |
3784 | zfs_attach, /* attach */ | |
3785 | zfs_detach, /* detach */ | |
3786 | nodev, /* reset */ | |
3787 | &zfs_cb_ops, /* driver operations */ | |
b128c09f BB |
3788 | NULL, /* no bus operations */ |
3789 | NULL, /* power */ | |
3790 | ddi_quiesce_not_needed, /* quiesce */ | |
34dc7c2f BB |
3791 | }; |
3792 | ||
3793 | static struct modldrv zfs_modldrv = { | |
b128c09f BB |
3794 | &mod_driverops, |
3795 | "ZFS storage pool", | |
3796 | &zfs_dev_ops | |
34dc7c2f BB |
3797 | }; |
3798 | ||
3799 | static struct modlinkage modlinkage = { | |
3800 | MODREV_1, | |
3801 | (void *)&zfs_modlfs, | |
3802 | (void *)&zfs_modldrv, | |
3803 | NULL | |
3804 | }; | |
3805 | ||
3806 | ||
3807 | uint_t zfs_fsyncer_key; | |
3808 | extern uint_t rrw_tsd_key; | |
3809 | ||
3810 | int | |
3811 | _init(void) | |
3812 | { | |
3813 | int error; | |
3814 | ||
3815 | spa_init(FREAD | FWRITE); | |
3816 | zfs_init(); | |
3817 | zvol_init(); | |
3818 | ||
3819 | if ((error = mod_install(&modlinkage)) != 0) { | |
3820 | zvol_fini(); | |
3821 | zfs_fini(); | |
3822 | spa_fini(); | |
3823 | return (error); | |
3824 | } | |
3825 | ||
3826 | tsd_create(&zfs_fsyncer_key, NULL); | |
3827 | tsd_create(&rrw_tsd_key, NULL); | |
3828 | ||
3829 | error = ldi_ident_from_mod(&modlinkage, &zfs_li); | |
3830 | ASSERT(error == 0); | |
3831 | mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); | |
3832 | ||
3833 | return (0); | |
3834 | } | |
3835 | ||
3836 | int | |
3837 | _fini(void) | |
3838 | { | |
3839 | int error; | |
3840 | ||
3841 | if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) | |
3842 | return (EBUSY); | |
3843 | ||
3844 | if ((error = mod_remove(&modlinkage)) != 0) | |
3845 | return (error); | |
3846 | ||
3847 | zvol_fini(); | |
3848 | zfs_fini(); | |
3849 | spa_fini(); | |
3850 | if (zfs_nfsshare_inited) | |
3851 | (void) ddi_modclose(nfs_mod); | |
3852 | if (zfs_smbshare_inited) | |
3853 | (void) ddi_modclose(smbsrv_mod); | |
3854 | if (zfs_nfsshare_inited || zfs_smbshare_inited) | |
3855 | (void) ddi_modclose(sharefs_mod); | |
3856 | ||
3857 | tsd_destroy(&zfs_fsyncer_key); | |
3858 | ldi_ident_release(zfs_li); | |
3859 | zfs_li = NULL; | |
3860 | mutex_destroy(&zfs_share_lock); | |
3861 | ||
3862 | return (error); | |
3863 | } | |
3864 | ||
3865 | int | |
3866 | _info(struct modinfo *modinfop) | |
3867 | { | |
3868 | return (mod_info(&modlinkage, modinfop)); | |
3869 | } |