Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/zfs_ioctl.c @ 4670:002728040e28
6580745 "zfs inherit" can be executed by ordinary user
| author | ahrens |
|---|---|
| date | Mon, 16 Jul 2007 12:10:21 -0700 |
| parents | 0960c3336815 |
| children | e8d212dda064 |
| rev | line source |
|---|---|
| 789 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
| 1485 | 5 * Common Development and Distribution License (the "License"). |
| 6 * You may not use this file except in compliance with the License. | |
| 789 | 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 /* | |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. |
| 789 | 23 * Use is subject to license terms. |
| 24 */ | |
| 25 | |
| 26 #pragma ident "%Z%%M% %I% %E% SMI" | |
| 27 | |
| 28 #include <sys/types.h> | |
| 29 #include <sys/param.h> | |
| 30 #include <sys/errno.h> | |
| 31 #include <sys/uio.h> | |
| 32 #include <sys/buf.h> | |
| 33 #include <sys/modctl.h> | |
| 34 #include <sys/open.h> | |
| 35 #include <sys/file.h> | |
| 36 #include <sys/kmem.h> | |
| 37 #include <sys/conf.h> | |
| 38 #include <sys/cmn_err.h> | |
| 39 #include <sys/stat.h> | |
| 40 #include <sys/zfs_ioctl.h> | |
| 41 #include <sys/zap.h> | |
| 42 #include <sys/spa.h> | |
| 3912 | 43 #include <sys/spa_impl.h> |
| 789 | 44 #include <sys/vdev.h> |
| 3912 | 45 #include <sys/vdev_impl.h> |
| 789 | 46 #include <sys/dmu.h> |
| 47 #include <sys/dsl_dir.h> | |
| 48 #include <sys/dsl_dataset.h> | |
| 49 #include <sys/dsl_prop.h> | |
| 4543 | 50 #include <sys/dsl_deleg.h> |
| 51 #include <sys/dmu_objset.h> | |
| 789 | 52 #include <sys/ddi.h> |
| 53 #include <sys/sunddi.h> | |
| 54 #include <sys/sunldi.h> | |
| 55 #include <sys/policy.h> | |
| 56 #include <sys/zone.h> | |
| 57 #include <sys/nvpair.h> | |
| 58 #include <sys/pathname.h> | |
| 59 #include <sys/mount.h> | |
| 60 #include <sys/sdt.h> | |
| 61 #include <sys/fs/zfs.h> | |
| 62 #include <sys/zfs_ctldir.h> | |
| 2885 | 63 #include <sys/zvol.h> |
| 4543 | 64 #include <sharefs/share.h> |
| 4577 | 65 #include <sys/zfs_znode.h> |
| 789 | 66 |
| 67 #include "zfs_namecheck.h" | |
| 2676 | 68 #include "zfs_prop.h" |
| 4543 | 69 #include "zfs_deleg.h" |
| 789 | 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 *); | |
| 4543 | 80 typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *); |
| 789 | 81 |
| 82 typedef struct zfs_ioc_vec { | |
| 83 zfs_ioc_func_t *zvec_func; | |
| 84 zfs_secpolicy_func_t *zvec_secpolicy; | |
| 85 enum { | |
| 4577 | 86 NO_NAME, |
| 87 POOL_NAME, | |
| 88 DATASET_NAME | |
| 4543 | 89 } zvec_namecheck; |
| 90 boolean_t zvec_his_log; | |
| 789 | 91 } zfs_ioc_vec_t; |
| 92 | |
| 93 /* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */ | |
| 94 void | |
| 95 __dprintf(const char *file, const char *func, int line, const char *fmt, ...) | |
| 96 { | |
| 97 const char *newfile; | |
| 98 char buf[256]; | |
| 99 va_list adx; | |
| 100 | |
| 101 /* | |
| 102 * Get rid of annoying "../common/" prefix to filename. | |
| 103 */ | |
| 104 newfile = strrchr(file, '/'); | |
| 105 if (newfile != NULL) { | |
| 106 newfile = newfile + 1; /* Get rid of leading / */ | |
| 107 } else { | |
| 108 newfile = file; | |
| 109 } | |
| 110 | |
| 111 va_start(adx, fmt); | |
| 112 (void) vsnprintf(buf, sizeof (buf), fmt, adx); | |
| 113 va_end(adx); | |
| 114 | |
| 115 /* | |
| 116 * To get this data, use the zfs-dprintf probe as so: | |
| 117 * dtrace -q -n 'zfs-dprintf \ | |
| 118 * /stringof(arg0) == "dbuf.c"/ \ | |
| 119 * {printf("%s: %s", stringof(arg1), stringof(arg3))}' | |
| 120 * arg0 = file name | |
| 121 * arg1 = function name | |
| 122 * arg2 = line number | |
| 123 * arg3 = message | |
| 124 */ | |
| 125 DTRACE_PROBE4(zfs__dprintf, | |
| 126 char *, newfile, char *, func, int, line, char *, buf); | |
| 127 } | |
| 128 | |
| 4543 | 129 static void |
| 130 zfs_log_history(zfs_cmd_t *zc) | |
| 131 { | |
| 132 spa_t *spa; | |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
133 char *buf; |
| 4543 | 134 |
| 135 if (zc->zc_history == NULL) | |
| 136 return; | |
| 137 | |
| 4577 | 138 if (zc->zc_history_offset != LOG_CMD_POOL_CREATE && |
| 139 zc->zc_history_offset != LOG_CMD_NORMAL) | |
| 140 return; | |
| 141 | |
| 4543 | 142 buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); |
| 143 if (copyinstr((void *)(uintptr_t)zc->zc_history, | |
| 144 buf, HIS_MAX_RECORD_LEN, NULL) != 0) { | |
| 145 kmem_free(buf, HIS_MAX_RECORD_LEN); | |
| 146 return; | |
| 147 } | |
| 148 | |
| 149 buf[HIS_MAX_RECORD_LEN -1] = '\0'; | |
| 150 | |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
151 if (spa_open(zc->zc_name, &spa, FTAG) != 0) { |
| 4543 | 152 kmem_free(buf, HIS_MAX_RECORD_LEN); |
| 153 return; | |
| 154 } | |
| 155 | |
| 4577 | 156 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) |
| 4543 | 157 (void) spa_history_log(spa, buf, zc->zc_history_offset); |
| 158 | |
| 159 spa_close(spa, FTAG); | |
| 160 kmem_free(buf, HIS_MAX_RECORD_LEN); | |
| 161 } | |
| 162 | |
| 789 | 163 /* |
| 164 * Policy for top-level read operations (list pools). Requires no privileges, | |
| 165 * and can be used in the local zone, as there is no associated dataset. | |
| 166 */ | |
| 167 /* ARGSUSED */ | |
| 168 static int | |
| 4543 | 169 zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 170 { |
| 171 return (0); | |
| 172 } | |
| 173 | |
| 174 /* | |
| 175 * Policy for dataset read operations (list children, get statistics). Requires | |
| 176 * no privileges, but must be visible in the local zone. | |
| 177 */ | |
| 178 /* ARGSUSED */ | |
| 179 static int | |
| 4543 | 180 zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 181 { |
| 182 if (INGLOBALZONE(curproc) || | |
| 4543 | 183 zone_dataset_visible(zc->zc_name, NULL)) |
| 789 | 184 return (0); |
| 185 | |
| 186 return (ENOENT); | |
| 187 } | |
| 188 | |
| 189 static int | |
| 190 zfs_dozonecheck(const char *dataset, cred_t *cr) | |
| 191 { | |
| 192 uint64_t zoned; | |
| 193 int writable = 1; | |
| 194 | |
| 195 /* | |
| 196 * The dataset must be visible by this zone -- check this first | |
| 197 * so they don't see EPERM on something they shouldn't know about. | |
| 198 */ | |
| 199 if (!INGLOBALZONE(curproc) && | |
| 200 !zone_dataset_visible(dataset, &writable)) | |
| 201 return (ENOENT); | |
| 202 | |
| 203 if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) | |
| 204 return (ENOENT); | |
| 205 | |
| 206 if (INGLOBALZONE(curproc)) { | |
| 207 /* | |
| 208 * If the fs is zoned, only root can access it from the | |
| 209 * global zone. | |
| 210 */ | |
| 211 if (secpolicy_zfs(cr) && zoned) | |
| 212 return (EPERM); | |
| 213 } else { | |
| 214 /* | |
| 215 * If we are in a local zone, the 'zoned' property must be set. | |
| 216 */ | |
| 217 if (!zoned) | |
| 218 return (EPERM); | |
| 219 | |
| 220 /* must be writable by this zone */ | |
| 221 if (!writable) | |
| 222 return (EPERM); | |
| 223 } | |
| 224 return (0); | |
| 225 } | |
| 226 | |
| 227 int | |
| 4543 | 228 zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) |
| 789 | 229 { |
| 230 int error; | |
| 231 | |
| 4543 | 232 error = zfs_dozonecheck(name, cr); |
| 233 if (error == 0) { | |
| 234 error = secpolicy_zfs(cr); | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
235 if (error) |
| 4543 | 236 error = dsl_deleg_access(name, perm, cr); |
| 237 } | |
| 238 return (error); | |
| 239 } | |
| 240 | |
| 241 static int | |
| 242 zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) | |
| 243 { | |
| 244 /* | |
| 245 * Check permissions for special properties. | |
| 246 */ | |
| 247 switch (prop) { | |
| 248 case ZFS_PROP_ZONED: | |
| 249 /* | |
| 250 * Disallow setting of 'zoned' from within a local zone. | |
| 251 */ | |
| 252 if (!INGLOBALZONE(curproc)) | |
| 253 return (EPERM); | |
| 254 break; | |
| 789 | 255 |
| 4543 | 256 case ZFS_PROP_QUOTA: |
| 257 if (!INGLOBALZONE(curproc)) { | |
| 258 uint64_t zoned; | |
| 259 char setpoint[MAXNAMELEN]; | |
| 260 /* | |
| 261 * Unprivileged users are allowed to modify the | |
| 262 * quota on things *under* (ie. contained by) | |
| 263 * the thing they own. | |
| 264 */ | |
| 265 if (dsl_prop_get_integer(name, "zoned", &zoned, | |
| 266 setpoint)) | |
| 267 return (EPERM); | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
268 if (!zoned || strlen(name) <= strlen(setpoint)) |
| 4543 | 269 return (EPERM); |
| 270 } | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
271 break; |
| 4543 | 272 } |
| 273 | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
274 return (zfs_secpolicy_write_perms(name, zfs_prop_perm(prop), cr)); |
| 789 | 275 } |
| 276 | |
| 4543 | 277 int |
| 278 zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) | |
| 279 { | |
| 280 int error; | |
| 281 | |
| 282 error = zfs_dozonecheck(zc->zc_name, cr); | |
| 283 if (error) | |
| 284 return (error); | |
| 285 | |
| 286 /* | |
| 287 * permission to set permissions will be evaluated later in | |
| 288 * dsl_deleg_can_allow() | |
| 289 */ | |
| 290 return (0); | |
| 291 } | |
| 292 | |
| 293 int | |
| 294 zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) | |
| 295 { | |
| 296 int error; | |
| 297 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 298 ZFS_DELEG_PERM_ROLLBACK, cr); | |
| 299 if (error == 0) | |
| 300 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 301 ZFS_DELEG_PERM_MOUNT, cr); | |
| 302 return (error); | |
| 303 } | |
| 304 | |
| 305 int | |
| 306 zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) | |
| 307 { | |
| 308 return (zfs_secpolicy_write_perms(zc->zc_name, | |
| 309 ZFS_DELEG_PERM_SEND, cr)); | |
| 310 } | |
| 311 | |
| 312 int | |
| 313 zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) | |
| 314 { | |
| 315 if (!INGLOBALZONE(curproc)) | |
| 316 return (EPERM); | |
| 317 | |
| 318 if (secpolicy_nfs(CRED()) == 0) { | |
| 319 return (0); | |
| 320 } else { | |
| 321 vnode_t *vp; | |
| 322 int error; | |
| 323 | |
| 324 if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, | |
| 325 NO_FOLLOW, NULL, &vp)) != 0) | |
| 326 return (error); | |
| 327 | |
| 328 /* Now make sure mntpnt and dataset are ZFS */ | |
| 329 | |
| 330 if (vp->v_vfsp->vfs_fstype != zfsfstype || | |
| 331 (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), | |
| 332 zc->zc_name) != 0)) { | |
| 333 VN_RELE(vp); | |
| 334 return (EPERM); | |
| 335 } | |
| 336 | |
| 337 VN_RELE(vp); | |
| 338 return (dsl_deleg_access(zc->zc_name, | |
| 339 ZFS_DELEG_PERM_SHARE, cr)); | |
| 340 } | |
| 341 } | |
| 342 | |
| 789 | 343 static int |
| 4543 | 344 zfs_get_parent(const char *datasetname, char *parent, int parentsize) |
| 789 | 345 { |
| 346 char *cp; | |
| 347 | |
| 348 /* | |
| 349 * Remove the @bla or /bla from the end of the name to get the parent. | |
| 350 */ | |
| 4543 | 351 (void) strncpy(parent, datasetname, parentsize); |
| 352 cp = strrchr(parent, '@'); | |
| 789 | 353 if (cp != NULL) { |
| 354 cp[0] = '\0'; | |
| 355 } else { | |
| 4543 | 356 cp = strrchr(parent, '/'); |
| 789 | 357 if (cp == NULL) |
| 358 return (ENOENT); | |
| 359 cp[0] = '\0'; | |
| 360 } | |
| 361 | |
| 4543 | 362 return (0); |
| 363 } | |
| 364 | |
| 365 int | |
| 366 zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) | |
| 367 { | |
| 368 int error; | |
| 369 | |
| 370 if ((error = zfs_secpolicy_write_perms(name, | |
| 371 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 372 return (error); | |
| 373 | |
| 374 return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); | |
| 375 } | |
| 376 | |
| 377 static int | |
| 378 zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) | |
| 379 { | |
| 380 return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); | |
| 381 } | |
| 382 | |
| 383 /* | |
| 384 * Must have sys_config privilege to check the iscsi permission | |
| 385 */ | |
| 386 /* ARGSUSED */ | |
| 387 static int | |
| 388 zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) | |
| 389 { | |
| 390 return (secpolicy_zfs(cr)); | |
| 391 } | |
| 392 | |
| 393 int | |
| 394 zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) | |
| 395 { | |
| 396 char parentname[MAXNAMELEN]; | |
| 397 int error; | |
| 398 | |
| 399 if ((error = zfs_secpolicy_write_perms(from, | |
| 400 ZFS_DELEG_PERM_RENAME, cr)) != 0) | |
| 401 return (error); | |
| 402 | |
| 403 if ((error = zfs_secpolicy_write_perms(from, | |
| 404 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 405 return (error); | |
| 406 | |
| 407 if ((error = zfs_get_parent(to, parentname, | |
| 408 sizeof (parentname))) != 0) | |
| 409 return (error); | |
| 410 | |
| 411 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 412 ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
| 413 return (error); | |
| 414 | |
| 415 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 416 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 417 return (error); | |
| 418 | |
| 419 return (error); | |
| 420 } | |
| 421 | |
| 422 static int | |
| 423 zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) | |
| 424 { | |
| 425 return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); | |
| 426 } | |
| 427 | |
| 428 static int | |
| 429 zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) | |
| 430 { | |
| 431 char parentname[MAXNAMELEN]; | |
| 432 objset_t *clone; | |
| 433 int error; | |
| 434 | |
| 435 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 436 ZFS_DELEG_PERM_PROMOTE, cr); | |
| 437 if (error) | |
| 438 return (error); | |
| 439 | |
| 440 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
| 441 DS_MODE_STANDARD | DS_MODE_READONLY, &clone); | |
| 442 | |
| 443 if (error == 0) { | |
| 444 dsl_dataset_t *pclone = NULL; | |
| 445 dsl_dir_t *dd; | |
| 446 dd = clone->os->os_dsl_dataset->ds_dir; | |
| 447 | |
| 448 rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); | |
| 449 error = dsl_dataset_open_obj(dd->dd_pool, | |
| 450 dd->dd_phys->dd_clone_parent_obj, NULL, | |
| 451 DS_MODE_NONE, FTAG, &pclone); | |
| 452 rw_exit(&dd->dd_pool->dp_config_rwlock); | |
| 453 if (error) { | |
| 454 dmu_objset_close(clone); | |
| 455 return (error); | |
| 456 } | |
| 457 | |
| 458 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 459 ZFS_DELEG_PERM_MOUNT, cr); | |
| 460 | |
| 461 dsl_dataset_name(pclone, parentname); | |
| 462 dmu_objset_close(clone); | |
| 463 dsl_dataset_close(pclone, DS_MODE_NONE, FTAG); | |
| 464 if (error == 0) | |
| 465 error = zfs_secpolicy_write_perms(parentname, | |
| 466 ZFS_DELEG_PERM_PROMOTE, cr); | |
| 467 } | |
| 468 return (error); | |
| 469 } | |
| 470 | |
| 471 static int | |
| 472 zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) | |
| 473 { | |
| 474 int error; | |
| 475 | |
| 476 if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 477 ZFS_DELEG_PERM_RECEIVE, cr)) != 0) | |
| 478 return (error); | |
| 479 | |
| 480 if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 481 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 482 return (error); | |
| 483 | |
| 484 return (zfs_secpolicy_write_perms(zc->zc_name, | |
| 485 ZFS_DELEG_PERM_CREATE, cr)); | |
| 486 } | |
| 487 | |
| 488 int | |
| 489 zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) | |
| 490 { | |
| 491 int error; | |
| 492 | |
| 493 if ((error = zfs_secpolicy_write_perms(name, | |
| 494 ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0) | |
| 495 return (error); | |
| 496 | |
| 497 error = zfs_secpolicy_write_perms(name, | |
| 498 ZFS_DELEG_PERM_MOUNT, cr); | |
| 499 | |
| 500 return (error); | |
| 501 } | |
| 502 | |
| 503 static int | |
| 504 zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) | |
| 505 { | |
| 506 | |
| 507 return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); | |
| 508 } | |
| 509 | |
| 510 static int | |
| 511 zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) | |
| 512 { | |
| 513 char parentname[MAXNAMELEN]; | |
| 514 int error; | |
| 515 | |
| 516 if ((error = zfs_get_parent(zc->zc_name, parentname, | |
| 517 sizeof (parentname))) != 0) | |
| 518 return (error); | |
| 519 | |
| 520 if (zc->zc_value[0] != '\0') { | |
| 521 if ((error = zfs_secpolicy_write_perms(zc->zc_value, | |
| 522 ZFS_DELEG_PERM_CLONE, cr)) != 0) | |
| 523 return (error); | |
| 524 } | |
| 525 | |
| 526 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 527 ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
| 528 return (error); | |
| 529 | |
| 530 error = zfs_secpolicy_write_perms(parentname, | |
| 531 ZFS_DELEG_PERM_MOUNT, cr); | |
| 532 | |
| 533 return (error); | |
| 534 } | |
| 535 | |
| 536 static int | |
| 537 zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) | |
| 538 { | |
| 539 int error; | |
| 540 | |
| 541 error = secpolicy_fs_unmount(cr, NULL); | |
| 542 if (error) { | |
| 543 error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); | |
| 544 } | |
| 545 return (error); | |
| 789 | 546 } |
| 547 | |
| 548 /* | |
| 549 * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires | |
| 550 * SYS_CONFIG privilege, which is not available in a local zone. | |
| 551 */ | |
| 552 /* ARGSUSED */ | |
| 553 static int | |
| 4543 | 554 zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 555 { |
| 556 if (secpolicy_sys_config(cr, B_FALSE) != 0) | |
| 557 return (EPERM); | |
| 558 | |
| 559 return (0); | |
| 560 } | |
| 561 | |
| 562 /* | |
| 4543 | 563 * Just like zfs_secpolicy_config, except that we will check for |
| 564 * mount permission on the dataset for permission to create/remove | |
| 565 * the minor nodes. | |
| 566 */ | |
| 567 static int | |
| 568 zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr) | |
| 569 { | |
| 570 if (secpolicy_sys_config(cr, B_FALSE) != 0) { | |
| 571 return (dsl_deleg_access(zc->zc_name, | |
| 572 ZFS_DELEG_PERM_MOUNT, cr)); | |
| 573 } | |
| 574 | |
| 575 return (0); | |
| 576 } | |
| 577 | |
| 578 /* | |
| 1544 | 579 * Policy for fault injection. Requires all privileges. |
| 580 */ | |
| 581 /* ARGSUSED */ | |
| 582 static int | |
| 4543 | 583 zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) |
| 1544 | 584 { |
| 585 return (secpolicy_zinject(cr)); | |
| 586 } | |
| 587 | |
| 588 /* | |
| 789 | 589 * Returns the nvlist as specified by the user in the zfs_cmd_t. |
| 590 */ | |
| 591 static int | |
| 2676 | 592 get_nvlist(zfs_cmd_t *zc, nvlist_t **nvp) |
| 789 | 593 { |
| 594 char *packed; | |
| 595 size_t size; | |
| 596 int error; | |
| 597 nvlist_t *config = NULL; | |
| 598 | |
| 599 /* | |
| 2676 | 600 * Read in and unpack the user-supplied nvlist. |
| 789 | 601 */ |
| 2676 | 602 if ((size = zc->zc_nvlist_src_size) == 0) |
| 789 | 603 return (EINVAL); |
| 604 | |
| 605 packed = kmem_alloc(size, KM_SLEEP); | |
| 606 | |
| 2676 | 607 if ((error = xcopyin((void *)(uintptr_t)zc->zc_nvlist_src, packed, |
| 789 | 608 size)) != 0) { |
| 609 kmem_free(packed, size); | |
| 610 return (error); | |
| 611 } | |
| 612 | |
| 613 if ((error = nvlist_unpack(packed, size, &config, 0)) != 0) { | |
| 614 kmem_free(packed, size); | |
| 615 return (error); | |
| 616 } | |
| 617 | |
| 618 kmem_free(packed, size); | |
| 619 | |
| 620 *nvp = config; | |
| 621 return (0); | |
| 622 } | |
| 623 | |
| 624 static int | |
| 2676 | 625 put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) |
| 626 { | |
| 627 char *packed = NULL; | |
| 628 size_t size; | |
| 629 int error; | |
| 630 | |
| 631 VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); | |
| 632 | |
| 633 if (size > zc->zc_nvlist_dst_size) { | |
| 634 error = ENOMEM; | |
| 635 } else { | |
| 4611 | 636 packed = kmem_alloc(size, KM_SLEEP); |
| 2676 | 637 VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, |
| 638 KM_SLEEP) == 0); | |
| 639 error = xcopyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, | |
| 640 size); | |
| 641 kmem_free(packed, size); | |
| 642 } | |
| 643 | |
| 644 zc->zc_nvlist_dst_size = size; | |
| 645 return (error); | |
| 646 } | |
| 647 | |
| 648 static int | |
| 789 | 649 zfs_ioc_pool_create(zfs_cmd_t *zc) |
| 650 { | |
| 651 int error; | |
| 652 nvlist_t *config; | |
| 653 | |
| 2676 | 654 if ((error = get_nvlist(zc, &config)) != 0) |
| 789 | 655 return (error); |
| 656 | |
| 2676 | 657 error = spa_create(zc->zc_name, config, zc->zc_value[0] == '\0' ? |
| 658 NULL : zc->zc_value); | |
| 789 | 659 |
| 660 nvlist_free(config); | |
| 661 | |
| 662 return (error); | |
| 663 } | |
| 664 | |
| 665 static int | |
| 666 zfs_ioc_pool_destroy(zfs_cmd_t *zc) | |
| 667 { | |
| 4543 | 668 int error; |
| 669 zfs_log_history(zc); | |
| 670 error = spa_destroy(zc->zc_name); | |
| 671 return (error); | |
| 789 | 672 } |
| 673 | |
| 674 static int | |
| 675 zfs_ioc_pool_import(zfs_cmd_t *zc) | |
| 676 { | |
| 677 int error; | |
| 678 nvlist_t *config; | |
| 679 uint64_t guid; | |
| 680 | |
| 2676 | 681 if ((error = get_nvlist(zc, &config)) != 0) |
| 789 | 682 return (error); |
| 683 | |
| 684 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || | |
| 1544 | 685 guid != zc->zc_guid) |
| 789 | 686 error = EINVAL; |
| 687 else | |
| 688 error = spa_import(zc->zc_name, config, | |
| 2676 | 689 zc->zc_value[0] == '\0' ? NULL : zc->zc_value); |
| 789 | 690 |
| 691 nvlist_free(config); | |
| 692 | |
| 693 return (error); | |
| 694 } | |
| 695 | |
| 696 static int | |
| 697 zfs_ioc_pool_export(zfs_cmd_t *zc) | |
| 698 { | |
| 4543 | 699 int error; |
| 700 zfs_log_history(zc); | |
| 701 error = spa_export(zc->zc_name, NULL); | |
| 702 return (error); | |
| 789 | 703 } |
| 704 | |
| 705 static int | |
| 706 zfs_ioc_pool_configs(zfs_cmd_t *zc) | |
| 707 { | |
| 708 nvlist_t *configs; | |
| 709 int error; | |
| 710 | |
| 711 if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) | |
| 712 return (EEXIST); | |
| 713 | |
| 2676 | 714 error = put_nvlist(zc, configs); |
| 789 | 715 |
| 716 nvlist_free(configs); | |
| 717 | |
| 718 return (error); | |
| 719 } | |
| 720 | |
| 721 static int | |
| 722 zfs_ioc_pool_stats(zfs_cmd_t *zc) | |
| 723 { | |
| 724 nvlist_t *config; | |
| 725 int error; | |
| 1544 | 726 int ret = 0; |
| 789 | 727 |
| 2676 | 728 error = spa_get_stats(zc->zc_name, &config, zc->zc_value, |
| 729 sizeof (zc->zc_value)); | |
| 789 | 730 |
| 731 if (config != NULL) { | |
| 2676 | 732 ret = put_nvlist(zc, config); |
| 789 | 733 nvlist_free(config); |
| 1544 | 734 |
| 735 /* | |
| 736 * The config may be present even if 'error' is non-zero. | |
| 737 * In this case we return success, and preserve the real errno | |
| 738 * in 'zc_cookie'. | |
| 739 */ | |
| 740 zc->zc_cookie = error; | |
| 789 | 741 } else { |
| 1544 | 742 ret = error; |
| 789 | 743 } |
| 744 | |
| 1544 | 745 return (ret); |
| 789 | 746 } |
| 747 | |
| 748 /* | |
| 749 * Try to import the given pool, returning pool stats as appropriate so that | |
| 750 * user land knows which devices are available and overall pool health. | |
| 751 */ | |
| 752 static int | |
| 753 zfs_ioc_pool_tryimport(zfs_cmd_t *zc) | |
| 754 { | |
| 755 nvlist_t *tryconfig, *config; | |
| 756 int error; | |
| 757 | |
| 2676 | 758 if ((error = get_nvlist(zc, &tryconfig)) != 0) |
| 789 | 759 return (error); |
| 760 | |
| 761 config = spa_tryimport(tryconfig); | |
| 762 | |
| 763 nvlist_free(tryconfig); | |
| 764 | |
| 765 if (config == NULL) | |
| 766 return (EINVAL); | |
| 767 | |
| 2676 | 768 error = put_nvlist(zc, config); |
| 789 | 769 nvlist_free(config); |
| 770 | |
| 771 return (error); | |
| 772 } | |
| 773 | |
| 774 static int | |
| 775 zfs_ioc_pool_scrub(zfs_cmd_t *zc) | |
| 776 { | |
| 777 spa_t *spa; | |
| 778 int error; | |
| 779 | |
| 2926 | 780 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 781 return (error); | |
| 782 | |
| 4451 | 783 spa_config_enter(spa, RW_READER, FTAG); |
| 2926 | 784 error = spa_scrub(spa, zc->zc_cookie, B_FALSE); |
| 4451 | 785 spa_config_exit(spa, FTAG); |
| 2926 | 786 |
| 787 spa_close(spa, FTAG); | |
| 788 | |
| 789 | 789 return (error); |
| 790 } | |
| 791 | |
| 792 static int | |
| 793 zfs_ioc_pool_freeze(zfs_cmd_t *zc) | |
| 794 { | |
| 795 spa_t *spa; | |
| 796 int error; | |
| 797 | |
| 798 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 799 if (error == 0) { | |
| 800 spa_freeze(spa); | |
| 801 spa_close(spa, FTAG); | |
| 802 } | |
| 803 return (error); | |
| 804 } | |
| 805 | |
| 806 static int | |
| 1760 | 807 zfs_ioc_pool_upgrade(zfs_cmd_t *zc) |
| 808 { | |
| 809 spa_t *spa; | |
| 810 int error; | |
| 811 | |
| 2926 | 812 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 813 return (error); | |
| 814 | |
| 815 spa_upgrade(spa); | |
| 816 spa_close(spa, FTAG); | |
| 817 | |
| 818 return (error); | |
| 819 } | |
| 820 | |
| 821 static int | |
| 822 zfs_ioc_pool_get_history(zfs_cmd_t *zc) | |
| 823 { | |
| 824 spa_t *spa; | |
| 825 char *hist_buf; | |
| 826 uint64_t size; | |
| 827 int error; | |
| 828 | |
| 829 if ((size = zc->zc_history_len) == 0) | |
| 830 return (EINVAL); | |
| 831 | |
| 832 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 833 return (error); | |
| 834 | |
| 4577 | 835 if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { |
|
3863
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
836 spa_close(spa, FTAG); |
|
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
837 return (ENOTSUP); |
|
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
838 } |
|
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
839 |
| 2926 | 840 hist_buf = kmem_alloc(size, KM_SLEEP); |
| 841 if ((error = spa_history_get(spa, &zc->zc_history_offset, | |
| 842 &zc->zc_history_len, hist_buf)) == 0) { | |
| 4543 | 843 error = xcopyout(hist_buf, |
| 844 (char *)(uintptr_t)zc->zc_history, | |
| 2926 | 845 zc->zc_history_len); |
| 846 } | |
| 847 | |
| 848 spa_close(spa, FTAG); | |
| 849 kmem_free(hist_buf, size); | |
| 850 return (error); | |
| 851 } | |
| 852 | |
| 853 static int | |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
854 zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
855 { |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
856 int error; |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
857 |
| 3912 | 858 if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
859 return (error); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
860 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
861 return (0); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
862 } |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
863 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
864 static int |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
865 zfs_ioc_obj_to_path(zfs_cmd_t *zc) |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
866 { |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
867 objset_t *osp; |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
868 int error; |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
869 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
870 if ((error = dmu_objset_open(zc->zc_name, DMU_OST_ZFS, |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
871 DS_MODE_NONE | DS_MODE_READONLY, &osp)) != 0) |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
872 return (error); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
873 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
874 error = zfs_obj_to_path(osp, zc->zc_obj, zc->zc_value, |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
875 sizeof (zc->zc_value)); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
876 dmu_objset_close(osp); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
877 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
878 return (error); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
879 } |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
880 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
881 static int |
| 789 | 882 zfs_ioc_vdev_add(zfs_cmd_t *zc) |
| 883 { | |
| 884 spa_t *spa; | |
| 885 int error; | |
| 886 nvlist_t *config; | |
| 887 | |
| 888 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 889 if (error != 0) | |
| 890 return (error); | |
| 891 | |
| 3912 | 892 /* |
| 893 * A root pool with concatenated devices is not supported. | |
| 894 * Thus, can not add a device to a root pool with one device. | |
| 895 */ | |
| 896 if (spa->spa_root_vdev->vdev_children == 1 && spa->spa_bootfs != 0) { | |
| 897 spa_close(spa, FTAG); | |
| 898 return (EDOM); | |
| 899 } | |
| 900 | |
| 2676 | 901 if ((error = get_nvlist(zc, &config)) == 0) { |
| 789 | 902 error = spa_vdev_add(spa, config); |
| 903 nvlist_free(config); | |
| 904 } | |
| 905 spa_close(spa, FTAG); | |
| 906 return (error); | |
| 907 } | |
| 908 | |
| 909 static int | |
| 910 zfs_ioc_vdev_remove(zfs_cmd_t *zc) | |
| 911 { | |
| 2082 | 912 spa_t *spa; |
| 913 int error; | |
| 914 | |
| 915 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 916 if (error != 0) | |
| 917 return (error); | |
| 918 error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); | |
| 919 spa_close(spa, FTAG); | |
| 920 return (error); | |
| 789 | 921 } |
| 922 | |
| 923 static int | |
| 4451 | 924 zfs_ioc_vdev_set_state(zfs_cmd_t *zc) |
| 789 | 925 { |
| 926 spa_t *spa; | |
| 927 int error; | |
| 4451 | 928 vdev_state_t newstate = VDEV_STATE_UNKNOWN; |
| 789 | 929 |
| 2926 | 930 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 931 return (error); |
| 4451 | 932 switch (zc->zc_cookie) { |
| 933 case VDEV_STATE_ONLINE: | |
| 934 error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); | |
| 935 break; | |
| 936 | |
| 937 case VDEV_STATE_OFFLINE: | |
| 938 error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); | |
| 939 break; | |
| 789 | 940 |
| 4451 | 941 case VDEV_STATE_FAULTED: |
| 942 error = vdev_fault(spa, zc->zc_guid); | |
| 943 break; | |
| 789 | 944 |
| 4451 | 945 case VDEV_STATE_DEGRADED: |
| 946 error = vdev_degrade(spa, zc->zc_guid); | |
| 947 break; | |
| 948 | |
| 949 default: | |
| 950 error = EINVAL; | |
| 951 } | |
| 952 zc->zc_cookie = newstate; | |
| 789 | 953 spa_close(spa, FTAG); |
| 954 return (error); | |
| 955 } | |
| 956 | |
| 957 static int | |
| 958 zfs_ioc_vdev_attach(zfs_cmd_t *zc) | |
| 959 { | |
| 960 spa_t *spa; | |
| 961 int replacing = zc->zc_cookie; | |
| 962 nvlist_t *config; | |
| 963 int error; | |
| 964 | |
| 2926 | 965 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 966 return (error); |
| 967 | |
| 2676 | 968 if ((error = get_nvlist(zc, &config)) == 0) { |
| 1544 | 969 error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); |
| 789 | 970 nvlist_free(config); |
| 971 } | |
| 972 | |
| 973 spa_close(spa, FTAG); | |
| 974 return (error); | |
| 975 } | |
| 976 | |
| 977 static int | |
| 978 zfs_ioc_vdev_detach(zfs_cmd_t *zc) | |
| 979 { | |
| 980 spa_t *spa; | |
| 981 int error; | |
| 982 | |
| 2926 | 983 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 984 return (error); |
| 985 | |
| 1544 | 986 error = spa_vdev_detach(spa, zc->zc_guid, B_FALSE); |
| 789 | 987 |
| 988 spa_close(spa, FTAG); | |
| 989 return (error); | |
| 990 } | |
| 991 | |
| 992 static int | |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
993 zfs_ioc_vdev_setpath(zfs_cmd_t *zc) |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
994 { |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
995 spa_t *spa; |
| 2676 | 996 char *path = zc->zc_value; |
| 1544 | 997 uint64_t guid = zc->zc_guid; |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
998 int error; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
999 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1000 error = spa_open(zc->zc_name, &spa, FTAG); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1001 if (error != 0) |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1002 return (error); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1003 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1004 error = spa_vdev_setpath(spa, guid, path); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1005 spa_close(spa, FTAG); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1006 return (error); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1007 } |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1008 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1009 static int |
| 789 | 1010 zfs_ioc_objset_stats(zfs_cmd_t *zc) |
| 1011 { | |
| 1012 objset_t *os = NULL; | |
| 1013 int error; | |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1014 nvlist_t *nv; |
| 789 | 1015 |
| 1016 retry: | |
| 1017 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
| 1018 DS_MODE_STANDARD | DS_MODE_READONLY, &os); | |
| 1019 if (error != 0) { | |
| 1020 /* | |
| 1021 * This is ugly: dmu_objset_open() can return EBUSY if | |
| 1022 * the objset is held exclusively. Fortunately this hold is | |
| 1023 * only for a short while, so we retry here. | |
| 1024 * This avoids user code having to handle EBUSY, | |
| 1025 * for example for a "zfs list". | |
| 1026 */ | |
| 1027 if (error == EBUSY) { | |
| 1028 delay(1); | |
| 1029 goto retry; | |
| 1030 } | |
| 1031 return (error); | |
| 1032 } | |
| 1033 | |
| 2885 | 1034 dmu_objset_fast_stat(os, &zc->zc_objset_stats); |
| 789 | 1035 |
| 2856 | 1036 if (zc->zc_nvlist_dst != 0 && |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1037 (error = dsl_prop_get_all(os, &nv)) == 0) { |
| 2885 | 1038 dmu_objset_stats(os, nv); |
| 3087 | 1039 /* |
| 4577 | 1040 * NB: {zpl,zvol}_get_stats() will read the objset contents, |
| 3087 | 1041 * which we aren't supposed to do with a |
| 1042 * DS_MODE_STANDARD open, because it could be | |
| 1043 * inconsistent. So this is a bit of a workaround... | |
| 1044 */ | |
| 4577 | 1045 if (!zc->zc_objset_stats.dds_inconsistent) { |
| 1046 if (dmu_objset_type(os) == DMU_OST_ZVOL) | |
| 1047 VERIFY(zvol_get_stats(os, nv) == 0); | |
| 1048 else if (dmu_objset_type(os) == DMU_OST_ZFS) | |
| 1049 (void) zfs_get_stats(os, nv); | |
| 1050 } | |
| 2676 | 1051 error = put_nvlist(zc, nv); |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1052 nvlist_free(nv); |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1053 } |
| 789 | 1054 |
| 2676 | 1055 spa_altroot(dmu_objset_spa(os), zc->zc_value, sizeof (zc->zc_value)); |
| 1544 | 1056 |
| 789 | 1057 dmu_objset_close(os); |
| 1058 return (error); | |
| 1059 } | |
| 1060 | |
| 1061 static int | |
| 1062 zfs_ioc_dataset_list_next(zfs_cmd_t *zc) | |
| 1063 { | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1064 objset_t *os; |
| 789 | 1065 int error; |
| 1066 char *p; | |
| 1067 | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1068 retry: |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1069 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1070 DS_MODE_STANDARD | DS_MODE_READONLY, &os); |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1071 if (error != 0) { |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1072 /* |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1073 * This is ugly: dmu_objset_open() can return EBUSY if |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1074 * the objset is held exclusively. Fortunately this hold is |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1075 * only for a short while, so we retry here. |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1076 * This avoids user code having to handle EBUSY, |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1077 * for example for a "zfs list". |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1078 */ |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1079 if (error == EBUSY) { |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1080 delay(1); |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1081 goto retry; |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1082 } |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1083 if (error == ENOENT) |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1084 error = ESRCH; |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1085 return (error); |
| 789 | 1086 } |
| 1087 | |
| 1088 p = strrchr(zc->zc_name, '/'); | |
| 1089 if (p == NULL || p[1] != '\0') | |
| 1090 (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); | |
| 1091 p = zc->zc_name + strlen(zc->zc_name); | |
| 1092 | |
| 1093 do { | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1094 error = dmu_dir_list_next(os, |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1095 sizeof (zc->zc_name) - (p - zc->zc_name), p, |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1096 NULL, &zc->zc_cookie); |
| 789 | 1097 if (error == ENOENT) |
| 1098 error = ESRCH; | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1099 } while (error == 0 && !INGLOBALZONE(curproc) && |
| 789 | 1100 !zone_dataset_visible(zc->zc_name, NULL)); |
| 1101 | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1102 /* |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1103 * If it's a hidden dataset (ie. with a '$' in its name), don't |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1104 * try to get stats for it. Userland will skip over it. |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1105 */ |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1106 if (error == 0 && strchr(zc->zc_name, '$') == NULL) |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1107 error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
| 789 | 1108 |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1109 dmu_objset_close(os); |
| 789 | 1110 return (error); |
| 1111 } | |
| 1112 | |
| 1113 static int | |
| 1114 zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) | |
| 1115 { | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1116 objset_t *os; |
| 789 | 1117 int error; |
| 1118 | |
| 1119 retry: | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1120 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1121 DS_MODE_STANDARD | DS_MODE_READONLY, &os); |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1122 if (error != 0) { |
| 789 | 1123 /* |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1124 * This is ugly: dmu_objset_open() can return EBUSY if |
| 789 | 1125 * the objset is held exclusively. Fortunately this hold is |
| 1126 * only for a short while, so we retry here. | |
| 1127 * This avoids user code having to handle EBUSY, | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1128 * for example for a "zfs list". |
| 789 | 1129 */ |
| 1130 if (error == EBUSY) { | |
| 1131 delay(1); | |
| 1132 goto retry; | |
| 1133 } | |
| 1134 if (error == ENOENT) | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1135 error = ESRCH; |
| 789 | 1136 return (error); |
| 1137 } | |
| 1138 | |
| 1003 | 1139 /* |
| 1140 * A dataset name of maximum length cannot have any snapshots, | |
| 1141 * so exit immediately. | |
| 1142 */ | |
| 1143 if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1144 dmu_objset_close(os); |
| 1003 | 1145 return (ESRCH); |
| 789 | 1146 } |
| 1147 | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1148 error = dmu_snapshot_list_next(os, |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1149 sizeof (zc->zc_name) - strlen(zc->zc_name), |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1150 zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie); |
| 789 | 1151 if (error == ENOENT) |
| 1152 error = ESRCH; | |
| 1153 | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1154 if (error == 0) |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1155 error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
| 789 | 1156 |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1157 dmu_objset_close(os); |
| 789 | 1158 return (error); |
| 1159 } | |
| 1160 | |
| 1161 static int | |
| 2676 | 1162 zfs_set_prop_nvlist(const char *name, dev_t dev, cred_t *cr, nvlist_t *nvl) |
| 789 | 1163 { |
| 2676 | 1164 nvpair_t *elem; |
| 1165 int error; | |
| 1166 uint64_t intval; | |
| 1167 char *strval; | |
| 1168 | |
| 4543 | 1169 /* |
| 1170 * First validate permission to set all of the properties | |
| 1171 */ | |
| 2676 | 1172 elem = NULL; |
| 1173 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1174 const char *propname = nvpair_name(elem); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1175 zfs_prop_t prop = zfs_name_to_prop(propname); |
| 2676 | 1176 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1177 if (prop == ZFS_PROP_INVAL) { |
| 2676 | 1178 /* |
| 1179 * If this is a user-defined property, it must be a | |
| 1180 * string, and there is no further validation to do. | |
| 1181 */ | |
| 1182 if (!zfs_prop_user(propname) || | |
| 1183 nvpair_type(elem) != DATA_TYPE_STRING) | |
| 1184 return (EINVAL); | |
| 1185 | |
| 4543 | 1186 error = zfs_secpolicy_write_perms(name, |
| 1187 ZFS_DELEG_PERM_USERPROP, cr); | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1188 if (error) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1189 return (error); |
| 4543 | 1190 continue; |
| 2676 | 1191 } |
| 1192 | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1193 if ((error = zfs_secpolicy_setprop(name, prop, cr)) != 0) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1194 return (error); |
| 2676 | 1195 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1196 /* |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1197 * Check that this value is valid for this pool version |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1198 */ |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1199 switch (prop) { |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1200 case ZFS_PROP_COMPRESSION: |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1201 /* |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1202 * If the user specified gzip compression, make sure |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1203 * the SPA supports it. We ignore any errors here since |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1204 * we'll catch them later. |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1205 */ |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1206 if (nvpair_type(elem) == DATA_TYPE_UINT64 && |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1207 nvpair_value_uint64(elem, &intval) == 0 && |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1208 intval >= ZIO_COMPRESS_GZIP_1 && |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1209 intval <= ZIO_COMPRESS_GZIP_9) { |
| 4543 | 1210 spa_t *spa; |
| 1211 | |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1212 if (spa_open(name, &spa, FTAG) == 0) { |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1213 if (spa_version(spa) < |
| 4577 | 1214 SPA_VERSION_GZIP_COMPRESSION) { |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1215 spa_close(spa, FTAG); |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1216 return (ENOTSUP); |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1217 } |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1218 |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1219 spa_close(spa, FTAG); |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1220 } |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1221 } |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1222 break; |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1223 |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1224 case ZFS_PROP_COPIES: |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1225 { |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1226 spa_t *spa; |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1227 |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1228 if (spa_open(name, &spa, FTAG) == 0) { |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1229 if (spa_version(spa) < |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1230 SPA_VERSION_DITTO_BLOCKS) { |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1231 spa_close(spa, FTAG); |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1232 return (ENOTSUP); |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1233 } |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1234 spa_close(spa, FTAG); |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1235 } |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1236 break; |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1237 } |
| 2676 | 1238 } |
| 4543 | 1239 } |
| 1240 | |
| 1241 elem = NULL; | |
| 1242 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1243 const char *propname = nvpair_name(elem); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1244 zfs_prop_t prop = zfs_name_to_prop(propname); |
| 4543 | 1245 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1246 if (prop == ZFS_PROP_INVAL) { |
| 4543 | 1247 VERIFY(nvpair_value_string(elem, &strval) == 0); |
| 1248 error = dsl_prop_set(name, propname, 1, | |
| 1249 strlen(strval) + 1, strval); | |
| 1250 if (error == 0) | |
| 1251 continue; | |
| 1252 else | |
| 1253 return (error); | |
| 1254 } | |
| 2676 | 1255 |
| 1256 switch (prop) { | |
| 1257 case ZFS_PROP_QUOTA: | |
| 1258 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4577 | 1259 (error = dsl_dir_set_quota(name, intval)) != 0) |
| 2676 | 1260 return (error); |
| 1261 break; | |
| 1262 | |
| 1263 case ZFS_PROP_RESERVATION: | |
| 1264 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 1265 (error = dsl_dir_set_reservation(name, | |
| 1266 intval)) != 0) | |
| 1267 return (error); | |
| 1268 break; | |
| 789 | 1269 |
| 2676 | 1270 case ZFS_PROP_VOLSIZE: |
| 1271 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4577 | 1272 (error = zvol_set_volsize(name, dev, intval)) != 0) |
| 2676 | 1273 return (error); |
| 1274 break; | |
| 1275 | |
| 1276 case ZFS_PROP_VOLBLOCKSIZE: | |
| 1277 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4577 | 1278 (error = zvol_set_volblocksize(name, intval)) != 0) |
| 1279 return (error); | |
| 1280 break; | |
| 1281 | |
| 1282 case ZFS_PROP_VERSION: | |
| 1283 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 1284 (error = zfs_set_version(name, intval)) != 0) | |
| 2676 | 1285 return (error); |
| 1286 break; | |
| 1287 | |
| 1288 default: | |
| 1289 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 1290 if (zfs_prop_get_type(prop) != | |
| 1291 prop_type_string) | |
| 1292 return (EINVAL); | |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1293 VERIFY(nvpair_value_string(elem, &strval) == 0); |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1294 if ((error = dsl_prop_set(name, |
| 2676 | 1295 nvpair_name(elem), 1, strlen(strval) + 1, |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1296 strval)) != 0) |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1297 return (error); |
| 2676 | 1298 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { |
| 2885 | 1299 const char *unused; |
| 1300 | |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1301 VERIFY(nvpair_value_uint64(elem, &intval) == 0); |
| 2676 | 1302 |
| 1303 switch (zfs_prop_get_type(prop)) { | |
| 1304 case prop_type_number: | |
| 1305 break; | |
| 1306 case prop_type_boolean: | |
| 1307 if (intval > 1) | |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1308 return (EINVAL); |
| 2676 | 1309 break; |
| 1310 case prop_type_string: | |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1311 return (EINVAL); |
| 2676 | 1312 case prop_type_index: |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1313 if (zfs_prop_index_to_string(prop, |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1314 intval, &unused) != 0) |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1315 return (EINVAL); |
| 2676 | 1316 break; |
| 1317 default: | |
| 4577 | 1318 cmn_err(CE_PANIC, |
| 1319 "unknown property type"); | |
| 2676 | 1320 break; |
| 1321 } | |
| 1322 | |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1323 if ((error = dsl_prop_set(name, propname, |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1324 8, 1, &intval)) != 0) |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1325 return (error); |
| 2676 | 1326 } else { |
| 1327 return (EINVAL); | |
| 1328 } | |
| 1329 break; | |
| 1330 } | |
| 1331 } | |
| 1332 | |
| 1333 return (0); | |
| 789 | 1334 } |
| 1335 | |
| 1336 static int | |
| 2676 | 1337 zfs_ioc_set_prop(zfs_cmd_t *zc) |
| 789 | 1338 { |
| 2676 | 1339 nvlist_t *nvl; |
| 1340 int error; | |
| 789 | 1341 |
| 2676 | 1342 /* |
| 1343 * If zc_value is set, then this is an attempt to inherit a value. | |
| 1344 * Otherwise, zc_nvlist refers to a list of properties to set. | |
| 1345 */ | |
| 1346 if (zc->zc_value[0] != '\0') { | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1347 zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1348 |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1349 if (prop == ZFS_PROP_INVAL) { |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1350 if (!zfs_prop_user(zc->zc_value)) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1351 return (EINVAL); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1352 error = zfs_secpolicy_write_perms(zc->zc_name, |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1353 ZFS_DELEG_PERM_USERPROP, |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1354 (cred_t *)(uintptr_t)zc->zc_cred); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1355 } else { |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1356 if (!zfs_prop_inheritable(prop)) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1357 return (EINVAL); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1358 error = zfs_secpolicy_setprop(zc->zc_name, |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1359 prop, (cred_t *)(uintptr_t)zc->zc_cred); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1360 } |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1361 if (error) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1362 return (error); |
| 2676 | 1363 |
| 1364 return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); | |
| 1365 } | |
| 1366 | |
| 1367 if ((error = get_nvlist(zc, &nvl)) != 0) | |
| 1368 return (error); | |
| 1369 | |
| 1370 error = zfs_set_prop_nvlist(zc->zc_name, zc->zc_dev, | |
| 1371 (cred_t *)(uintptr_t)zc->zc_cred, nvl); | |
| 4543 | 1372 |
| 2676 | 1373 nvlist_free(nvl); |
| 1374 return (error); | |
| 789 | 1375 } |
| 1376 | |
| 1377 static int | |
|
4098
0a182c2128e6
6545726 make ZFS_IOC_POOL_*_PROPS in sync with zfs_ioc_pool_props_*
lling
parents:
4007
diff
changeset
|
1378 zfs_ioc_pool_set_props(zfs_cmd_t *zc) |
| 3912 | 1379 { |
| 1380 nvlist_t *nvl; | |
| 1381 int error, reset_bootfs = 0; | |
| 1382 uint64_t objnum; | |
| 4543 | 1383 uint64_t intval; |
| 3912 | 1384 zpool_prop_t prop; |
| 1385 nvpair_t *elem; | |
| 1386 char *propname, *strval; | |
| 1387 spa_t *spa; | |
| 1388 vdev_t *rvdev; | |
| 1389 char *vdev_type; | |
| 1390 objset_t *os; | |
| 1391 | |
| 1392 if ((error = get_nvlist(zc, &nvl)) != 0) | |
| 1393 return (error); | |
| 1394 | |
| 1395 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { | |
| 1396 nvlist_free(nvl); | |
| 1397 return (error); | |
| 1398 } | |
| 1399 | |
| 4577 | 1400 if (spa_version(spa) < SPA_VERSION_BOOTFS) { |
| 3912 | 1401 nvlist_free(nvl); |
| 1402 spa_close(spa, FTAG); | |
| 1403 return (ENOTSUP); | |
| 1404 } | |
| 1405 | |
| 1406 elem = NULL; | |
| 1407 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
| 1408 | |
| 1409 propname = nvpair_name(elem); | |
| 1410 | |
| 1411 if ((prop = zpool_name_to_prop(propname)) == | |
| 1412 ZFS_PROP_INVAL) { | |
| 1413 nvlist_free(nvl); | |
| 1414 spa_close(spa, FTAG); | |
| 1415 return (EINVAL); | |
| 1416 } | |
| 1417 | |
| 1418 switch (prop) { | |
| 4543 | 1419 case ZPOOL_PROP_DELEGATION: |
| 1420 VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
| 1421 if (intval > 1) | |
| 1422 error = EINVAL; | |
| 1423 break; | |
| 4451 | 1424 case ZPOOL_PROP_BOOTFS: |
| 3912 | 1425 /* |
| 1426 * A bootable filesystem can not be on a RAIDZ pool | |
| 1427 * nor a striped pool with more than 1 device. | |
| 1428 */ | |
| 1429 rvdev = spa->spa_root_vdev; | |
| 1430 vdev_type = | |
| 1431 rvdev->vdev_child[0]->vdev_ops->vdev_op_type; | |
| 1432 if (strcmp(vdev_type, VDEV_TYPE_RAIDZ) == 0 || | |
| 1433 (strcmp(vdev_type, VDEV_TYPE_MIRROR) != 0 && | |
| 1434 rvdev->vdev_children > 1)) { | |
| 1435 error = ENOTSUP; | |
| 1436 break; | |
| 1437 } | |
| 1438 | |
| 1439 reset_bootfs = 1; | |
| 1440 | |
| 1441 VERIFY(nvpair_value_string(elem, &strval) == 0); | |
| 1442 if (strval == NULL || strval[0] == '\0') { | |
| 4451 | 1443 objnum = zpool_prop_default_numeric( |
| 1444 ZPOOL_PROP_BOOTFS); | |
| 3912 | 1445 break; |
| 1446 } | |
| 1447 | |
| 1448 if (error = dmu_objset_open(strval, DMU_OST_ZFS, | |
| 1449 DS_MODE_STANDARD | DS_MODE_READONLY, &os)) | |
| 1450 break; | |
| 1451 objnum = dmu_objset_id(os); | |
| 1452 dmu_objset_close(os); | |
| 1453 break; | |
| 1454 } | |
| 1455 | |
| 1456 if (error) | |
| 1457 break; | |
| 1458 } | |
| 1459 if (error == 0) { | |
| 1460 if (reset_bootfs) { | |
| 1461 VERIFY(nvlist_remove(nvl, | |
| 4451 | 1462 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1463 DATA_TYPE_STRING) == 0); |
| 1464 VERIFY(nvlist_add_uint64(nvl, | |
| 4451 | 1465 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 1466 objnum) == 0); | |
| 3912 | 1467 } |
| 1468 error = spa_set_props(spa, nvl); | |
| 1469 } | |
| 1470 | |
| 1471 nvlist_free(nvl); | |
| 1472 spa_close(spa, FTAG); | |
| 1473 | |
| 1474 return (error); | |
| 1475 } | |
| 1476 | |
| 1477 static int | |
|
4098
0a182c2128e6
6545726 make ZFS_IOC_POOL_*_PROPS in sync with zfs_ioc_pool_props_*
lling
parents:
4007
diff
changeset
|
1478 zfs_ioc_pool_get_props(zfs_cmd_t *zc) |
| 3912 | 1479 { |
| 1480 spa_t *spa; | |
| 1481 int error; | |
| 1482 nvlist_t *nvp = NULL; | |
| 1483 | |
| 1484 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 1485 return (error); | |
| 1486 | |
| 1487 error = spa_get_props(spa, &nvp); | |
| 1488 | |
| 1489 if (error == 0 && zc->zc_nvlist_dst != NULL) | |
| 1490 error = put_nvlist(zc, nvp); | |
| 1491 else | |
| 1492 error = EFAULT; | |
| 1493 | |
| 1494 spa_close(spa, FTAG); | |
| 1495 | |
| 1496 if (nvp) | |
| 1497 nvlist_free(nvp); | |
| 1498 return (error); | |
| 1499 } | |
| 1500 | |
| 1501 static int | |
| 4543 | 1502 zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) |
| 1503 { | |
| 1504 nvlist_t *nvp; | |
| 1505 int error; | |
| 1506 uint32_t uid; | |
| 1507 uint32_t gid; | |
| 1508 uint32_t *groups; | |
| 1509 uint_t group_cnt; | |
| 1510 cred_t *usercred; | |
| 1511 | |
| 1512 if ((error = get_nvlist(zc, &nvp)) != 0) { | |
| 1513 return (error); | |
| 1514 } | |
| 1515 | |
| 1516 if ((error = nvlist_lookup_uint32(nvp, | |
| 1517 ZFS_DELEG_PERM_UID, &uid)) != 0) { | |
| 1518 nvlist_free(nvp); | |
| 1519 return (EPERM); | |
| 1520 } | |
| 1521 | |
| 1522 if ((error = nvlist_lookup_uint32(nvp, | |
| 1523 ZFS_DELEG_PERM_GID, &gid)) != 0) { | |
| 1524 nvlist_free(nvp); | |
| 1525 return (EPERM); | |
| 1526 } | |
| 1527 | |
| 1528 if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, | |
| 1529 &groups, &group_cnt)) != 0) { | |
| 1530 nvlist_free(nvp); | |
| 1531 return (EPERM); | |
| 1532 } | |
| 1533 usercred = cralloc(); | |
| 1534 if ((crsetugid(usercred, uid, gid) != 0) || | |
| 1535 (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { | |
| 1536 nvlist_free(nvp); | |
| 1537 crfree(usercred); | |
| 1538 return (EPERM); | |
| 1539 } | |
| 1540 nvlist_free(nvp); | |
| 1541 error = dsl_deleg_access(zc->zc_name, | |
| 1542 ZFS_DELEG_PERM_SHAREISCSI, usercred); | |
| 1543 crfree(usercred); | |
| 1544 return (error); | |
| 1545 } | |
| 1546 | |
| 1547 static int | |
| 1548 zfs_ioc_set_fsacl(zfs_cmd_t *zc) | |
| 1549 { | |
| 1550 int error; | |
| 1551 nvlist_t *fsaclnv = NULL; | |
| 1552 cred_t *cr; | |
| 1553 | |
| 1554 if ((error = get_nvlist(zc, &fsaclnv)) != 0) | |
| 1555 return (error); | |
| 1556 | |
| 1557 /* | |
| 1558 * Verify nvlist is constructed correctly | |
| 1559 */ | |
| 1560 if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { | |
| 1561 nvlist_free(fsaclnv); | |
| 1562 return (EINVAL); | |
| 1563 } | |
| 1564 | |
| 1565 /* | |
| 1566 * If we don't have PRIV_SYS_MOUNT, then validate | |
| 1567 * that user is allowed to hand out each permission in | |
| 1568 * the nvlist(s) | |
| 1569 */ | |
| 1570 | |
| 1571 cr = (cred_t *)(uintptr_t)zc->zc_cred; | |
| 1572 error = secpolicy_zfs(cr); | |
| 1573 if (error) { | |
| 1574 if (zc->zc_perm_action == B_FALSE) | |
| 1575 error = dsl_deleg_can_allow(zc->zc_name, fsaclnv, cr); | |
| 1576 else | |
| 1577 error = dsl_deleg_can_unallow(zc->zc_name, fsaclnv, cr); | |
| 1578 } | |
| 1579 | |
| 1580 if (error == 0) | |
| 1581 error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); | |
| 1582 | |
| 1583 nvlist_free(fsaclnv); | |
| 1584 return (error); | |
| 1585 } | |
| 1586 | |
| 1587 static int | |
| 1588 zfs_ioc_get_fsacl(zfs_cmd_t *zc) | |
| 1589 { | |
| 1590 nvlist_t *nvp; | |
| 1591 int error; | |
| 1592 | |
| 1593 if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { | |
| 1594 error = put_nvlist(zc, nvp); | |
| 1595 nvlist_free(nvp); | |
| 1596 } | |
| 1597 | |
| 1598 return (error); | |
| 1599 } | |
| 1600 | |
| 1601 static int | |
| 789 | 1602 zfs_ioc_create_minor(zfs_cmd_t *zc) |
| 1603 { | |
| 2676 | 1604 return (zvol_create_minor(zc->zc_name, zc->zc_dev)); |
| 789 | 1605 } |
| 1606 | |
| 1607 static int | |
| 1608 zfs_ioc_remove_minor(zfs_cmd_t *zc) | |
| 1609 { | |
| 2676 | 1610 return (zvol_remove_minor(zc->zc_name)); |
| 789 | 1611 } |
| 1612 | |
| 1613 /* | |
| 1614 * Search the vfs list for a specified resource. Returns a pointer to it | |
| 1615 * or NULL if no suitable entry is found. The caller of this routine | |
| 1616 * is responsible for releasing the returned vfs pointer. | |
| 1617 */ | |
| 1618 static vfs_t * | |
| 1619 zfs_get_vfs(const char *resource) | |
| 1620 { | |
| 1621 struct vfs *vfsp; | |
| 1622 struct vfs *vfs_found = NULL; | |
| 1623 | |
| 1624 vfs_list_read_lock(); | |
| 1625 vfsp = rootvfs; | |
| 1626 do { | |
| 1627 if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { | |
| 1628 VFS_HOLD(vfsp); | |
| 1629 vfs_found = vfsp; | |
| 1630 break; | |
| 1631 } | |
| 1632 vfsp = vfsp->vfs_next; | |
| 1633 } while (vfsp != rootvfs); | |
| 1634 vfs_list_unlock(); | |
| 1635 return (vfs_found); | |
| 1636 } | |
| 1637 | |
| 4543 | 1638 /* ARGSUSED */ |
| 789 | 1639 static void |
| 4543 | 1640 zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) |
| 789 | 1641 { |
| 4577 | 1642 nvlist_t *nvprops = arg; |
| 1643 uint64_t version = ZPL_VERSION; | |
| 1644 | |
| 1645 (void) nvlist_lookup_uint64(nvprops, | |
| 1646 zfs_prop_to_name(ZFS_PROP_VERSION), &version); | |
| 1647 | |
| 1648 zfs_create_fs(os, cr, version, tx); | |
| 789 | 1649 } |
| 1650 | |
| 1651 static int | |
| 1652 zfs_ioc_create(zfs_cmd_t *zc) | |
| 1653 { | |
| 1654 objset_t *clone; | |
| 1655 int error = 0; | |
| 4543 | 1656 nvlist_t *nvprops = NULL; |
| 1657 void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); | |
| 789 | 1658 dmu_objset_type_t type = zc->zc_objset_type; |
| 1659 | |
| 1660 switch (type) { | |
| 1661 | |
| 1662 case DMU_OST_ZFS: | |
| 1663 cbfunc = zfs_create_cb; | |
| 1664 break; | |
| 1665 | |
| 1666 case DMU_OST_ZVOL: | |
| 1667 cbfunc = zvol_create_cb; | |
| 1668 break; | |
| 1669 | |
| 1670 default: | |
| 2199 | 1671 cbfunc = NULL; |
| 1672 } | |
| 1673 if (strchr(zc->zc_name, '@')) | |
| 789 | 1674 return (EINVAL); |
| 1675 | |
| 2676 | 1676 if (zc->zc_nvlist_src != NULL && |
| 4543 | 1677 (error = get_nvlist(zc, &nvprops)) != 0) |
| 2676 | 1678 return (error); |
| 1679 | |
| 1680 if (zc->zc_value[0] != '\0') { | |
| 789 | 1681 /* |
| 1682 * We're creating a clone of an existing snapshot. | |
| 1683 */ | |
| 2676 | 1684 zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; |
| 1685 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { | |
| 4543 | 1686 nvlist_free(nvprops); |
| 789 | 1687 return (EINVAL); |
| 2676 | 1688 } |
| 789 | 1689 |
| 2676 | 1690 error = dmu_objset_open(zc->zc_value, type, |
| 789 | 1691 DS_MODE_STANDARD | DS_MODE_READONLY, &clone); |
| 2676 | 1692 if (error) { |
| 4543 | 1693 nvlist_free(nvprops); |
| 789 | 1694 return (error); |
| 2676 | 1695 } |
| 789 | 1696 error = dmu_objset_create(zc->zc_name, type, clone, NULL, NULL); |
| 1697 dmu_objset_close(clone); | |
| 1698 } else { | |
| 2676 | 1699 if (cbfunc == NULL) { |
| 4543 | 1700 nvlist_free(nvprops); |
| 2199 | 1701 return (EINVAL); |
| 2676 | 1702 } |
| 1703 | |
| 789 | 1704 if (type == DMU_OST_ZVOL) { |
| 2676 | 1705 uint64_t volsize, volblocksize; |
| 1706 | |
| 4543 | 1707 if (nvprops == NULL || |
| 1708 nvlist_lookup_uint64(nvprops, | |
| 2676 | 1709 zfs_prop_to_name(ZFS_PROP_VOLSIZE), |
| 1710 &volsize) != 0) { | |
| 4543 | 1711 nvlist_free(nvprops); |
| 2676 | 1712 return (EINVAL); |
| 1713 } | |
| 1714 | |
| 4543 | 1715 if ((error = nvlist_lookup_uint64(nvprops, |
| 2676 | 1716 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), |
| 1717 &volblocksize)) != 0 && error != ENOENT) { | |
| 4543 | 1718 nvlist_free(nvprops); |
| 2676 | 1719 return (EINVAL); |
| 1720 } | |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
1721 |
| 2676 | 1722 if (error != 0) |
| 1723 volblocksize = zfs_prop_default_numeric( | |
| 1724 ZFS_PROP_VOLBLOCKSIZE); | |
| 1725 | |
| 1726 if ((error = zvol_check_volblocksize( | |
| 1727 volblocksize)) != 0 || | |
| 1728 (error = zvol_check_volsize(volsize, | |
| 1729 volblocksize)) != 0) { | |
| 4543 | 1730 nvlist_free(nvprops); |
| 789 | 1731 return (error); |
| 2676 | 1732 } |
| 4577 | 1733 } else if (type == DMU_OST_ZFS) { |
| 1734 uint64_t version; | |
| 1735 | |
| 1736 if (0 == nvlist_lookup_uint64(nvprops, | |
| 1737 zfs_prop_to_name(ZFS_PROP_VERSION), &version) && | |
| 1738 (version < ZPL_VERSION_INITIAL || | |
| 1739 version > ZPL_VERSION)) { | |
| 1740 nvlist_free(nvprops); | |
| 1741 return (EINVAL); | |
| 1742 } | |
| 2676 | 1743 } |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
1744 |
| 2676 | 1745 error = dmu_objset_create(zc->zc_name, type, NULL, cbfunc, |
| 4543 | 1746 nvprops); |
| 789 | 1747 } |
| 2676 | 1748 |
| 1749 /* | |
| 1750 * It would be nice to do this atomically. | |
| 1751 */ | |
| 1752 if (error == 0) { | |
| 1753 if ((error = zfs_set_prop_nvlist(zc->zc_name, | |
| 1754 zc->zc_dev, (cred_t *)(uintptr_t)zc->zc_cred, | |
| 4543 | 1755 nvprops)) != 0) |
| 2676 | 1756 (void) dmu_objset_destroy(zc->zc_name); |
| 1757 } | |
| 1758 | |
| 4543 | 1759 nvlist_free(nvprops); |
| 789 | 1760 return (error); |
| 1761 } | |
| 1762 | |
| 1763 static int | |
| 2199 | 1764 zfs_ioc_snapshot(zfs_cmd_t *zc) |
| 1765 { | |
| 2676 | 1766 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
| 2199 | 1767 return (EINVAL); |
| 1768 return (dmu_objset_snapshot(zc->zc_name, | |
| 2676 | 1769 zc->zc_value, zc->zc_cookie)); |
| 2199 | 1770 } |
| 1771 | |
| 4007 | 1772 int |
| 2199 | 1773 zfs_unmount_snap(char *name, void *arg) |
| 789 | 1774 { |
| 2199 | 1775 char *snapname = arg; |
| 1776 char *cp; | |
| 2417 | 1777 vfs_t *vfsp = NULL; |
| 2199 | 1778 |
| 1779 /* | |
| 1780 * Snapshots (which are under .zfs control) must be unmounted | |
| 1781 * before they can be destroyed. | |
| 1782 */ | |
| 1783 | |
| 1784 if (snapname) { | |
| 1785 (void) strcat(name, "@"); | |
| 1786 (void) strcat(name, snapname); | |
| 1787 vfsp = zfs_get_vfs(name); | |
| 1788 cp = strchr(name, '@'); | |
| 1789 *cp = '\0'; | |
| 2417 | 1790 } else if (strchr(name, '@')) { |
| 2199 | 1791 vfsp = zfs_get_vfs(name); |
| 1792 } | |
| 1793 | |
| 1794 if (vfsp) { | |
| 1795 /* | |
| 1796 * Always force the unmount for snapshots. | |
| 1797 */ | |
| 1798 int flag = MS_FORCE; | |
| 789 | 1799 int err; |
| 1800 | |
| 2199 | 1801 if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { |
| 1802 VFS_RELE(vfsp); | |
| 1803 return (err); | |
| 1804 } | |
| 1805 VFS_RELE(vfsp); | |
| 1806 if ((err = dounmount(vfsp, flag, kcred)) != 0) | |
| 1807 return (err); | |
| 1808 } | |
| 1809 return (0); | |
| 1810 } | |
| 1811 | |
| 1812 static int | |
| 1813 zfs_ioc_destroy_snaps(zfs_cmd_t *zc) | |
| 1814 { | |
| 1815 int err; | |
| 789 | 1816 |
| 2676 | 1817 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
| 2199 | 1818 return (EINVAL); |
| 1819 err = dmu_objset_find(zc->zc_name, | |
| 2676 | 1820 zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); |
| 2199 | 1821 if (err) |
| 1822 return (err); | |
| 2676 | 1823 return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value)); |
| 2199 | 1824 } |
| 1825 | |
| 1826 static int | |
| 1827 zfs_ioc_destroy(zfs_cmd_t *zc) | |
| 1828 { | |
| 1829 if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { | |
| 1830 int err = zfs_unmount_snap(zc->zc_name, NULL); | |
| 1831 if (err) | |
| 1832 return (err); | |
| 789 | 1833 } |
| 1834 | |
| 1835 return (dmu_objset_destroy(zc->zc_name)); | |
| 1836 } | |
| 1837 | |
| 1838 static int | |
| 1839 zfs_ioc_rollback(zfs_cmd_t *zc) | |
| 1840 { | |
| 1841 return (dmu_objset_rollback(zc->zc_name)); | |
| 1842 } | |
| 1843 | |
| 1844 static int | |
| 1845 zfs_ioc_rename(zfs_cmd_t *zc) | |
| 1846 { | |
| 4490 | 1847 boolean_t recursive = zc->zc_cookie & 1; |
| 4007 | 1848 |
| 2676 | 1849 zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; |
| 1850 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) | |
| 789 | 1851 return (EINVAL); |
| 1852 | |
| 4007 | 1853 /* |
| 1854 * Unmount snapshot unless we're doing a recursive rename, | |
| 1855 * in which case the dataset code figures out which snapshots | |
| 1856 * to unmount. | |
| 1857 */ | |
| 1858 if (!recursive && strchr(zc->zc_name, '@') != NULL && | |
| 789 | 1859 zc->zc_objset_type == DMU_OST_ZFS) { |
| 2199 | 1860 int err = zfs_unmount_snap(zc->zc_name, NULL); |
| 1861 if (err) | |
| 1862 return (err); | |
| 789 | 1863 } |
| 1864 | |
| 4007 | 1865 return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); |
| 789 | 1866 } |
| 1867 | |
| 1868 static int | |
| 1869 zfs_ioc_recvbackup(zfs_cmd_t *zc) | |
| 1870 { | |
| 1871 file_t *fp; | |
| 1872 int error, fd; | |
| 2885 | 1873 offset_t new_off; |
| 789 | 1874 |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1875 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1876 strchr(zc->zc_value, '@') == NULL) |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1877 return (EINVAL); |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1878 |
| 789 | 1879 fd = zc->zc_cookie; |
| 1880 fp = getf(fd); | |
| 1881 if (fp == NULL) | |
| 1882 return (EBADF); | |
| 2676 | 1883 error = dmu_recvbackup(zc->zc_value, &zc->zc_begin_record, |
| 1884 &zc->zc_cookie, (boolean_t)zc->zc_guid, fp->f_vnode, | |
| 2665 | 1885 fp->f_offset); |
| 2885 | 1886 |
| 1887 new_off = fp->f_offset + zc->zc_cookie; | |
| 1888 if (VOP_SEEK(fp->f_vnode, fp->f_offset, &new_off) == 0) | |
| 1889 fp->f_offset = new_off; | |
| 1890 | |
| 789 | 1891 releasef(fd); |
| 1892 return (error); | |
| 1893 } | |
| 1894 | |
| 1895 static int | |
| 1896 zfs_ioc_sendbackup(zfs_cmd_t *zc) | |
| 1897 { | |
| 1898 objset_t *fromsnap = NULL; | |
| 1899 objset_t *tosnap; | |
| 1900 file_t *fp; | |
| 1901 int error; | |
| 1902 | |
| 1903 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
| 1904 DS_MODE_STANDARD | DS_MODE_READONLY, &tosnap); | |
| 1905 if (error) | |
| 1906 return (error); | |
| 1907 | |
| 2676 | 1908 if (zc->zc_value[0] != '\0') { |
| 2885 | 1909 char buf[MAXPATHLEN]; |
| 1910 char *cp; | |
| 1911 | |
| 1912 (void) strncpy(buf, zc->zc_name, sizeof (buf)); | |
| 1913 cp = strchr(buf, '@'); | |
| 1914 if (cp) | |
| 1915 *(cp+1) = 0; | |
| 1916 (void) strncat(buf, zc->zc_value, sizeof (buf)); | |
| 1917 error = dmu_objset_open(buf, DMU_OST_ANY, | |
| 789 | 1918 DS_MODE_STANDARD | DS_MODE_READONLY, &fromsnap); |
| 1919 if (error) { | |
| 1920 dmu_objset_close(tosnap); | |
| 1921 return (error); | |
| 1922 } | |
| 1923 } | |
| 1924 | |
| 1925 fp = getf(zc->zc_cookie); | |
| 1926 if (fp == NULL) { | |
| 1927 dmu_objset_close(tosnap); | |
| 1928 if (fromsnap) | |
| 1929 dmu_objset_close(fromsnap); | |
| 1930 return (EBADF); | |
| 1931 } | |
| 1932 | |
| 1933 error = dmu_sendbackup(tosnap, fromsnap, fp->f_vnode); | |
| 1934 | |
| 1935 releasef(zc->zc_cookie); | |
| 1936 if (fromsnap) | |
| 1937 dmu_objset_close(fromsnap); | |
| 1938 dmu_objset_close(tosnap); | |
| 1939 return (error); | |
| 1940 } | |
| 1941 | |
| 1544 | 1942 static int |
| 1943 zfs_ioc_inject_fault(zfs_cmd_t *zc) | |
| 1944 { | |
| 1945 int id, error; | |
| 1946 | |
| 1947 error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, | |
| 1948 &zc->zc_inject_record); | |
| 1949 | |
| 1950 if (error == 0) | |
| 1951 zc->zc_guid = (uint64_t)id; | |
| 1952 | |
| 1953 return (error); | |
| 1954 } | |
| 1955 | |
| 1956 static int | |
| 1957 zfs_ioc_clear_fault(zfs_cmd_t *zc) | |
| 1958 { | |
| 1959 return (zio_clear_fault((int)zc->zc_guid)); | |
| 1960 } | |
| 1961 | |
| 1962 static int | |
| 1963 zfs_ioc_inject_list_next(zfs_cmd_t *zc) | |
| 1964 { | |
| 1965 int id = (int)zc->zc_guid; | |
| 1966 int error; | |
| 1967 | |
| 1968 error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), | |
| 1969 &zc->zc_inject_record); | |
| 1970 | |
| 1971 zc->zc_guid = id; | |
| 1972 | |
| 1973 return (error); | |
| 1974 } | |
| 1975 | |
| 1976 static int | |
| 1977 zfs_ioc_error_log(zfs_cmd_t *zc) | |
| 1978 { | |
| 1979 spa_t *spa; | |
| 1980 int error; | |
| 2676 | 1981 size_t count = (size_t)zc->zc_nvlist_dst_size; |
| 1544 | 1982 |
| 1983 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 1984 return (error); | |
| 1985 | |
| 2676 | 1986 error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, |
| 1544 | 1987 &count); |
| 1988 if (error == 0) | |
| 2676 | 1989 zc->zc_nvlist_dst_size = count; |
| 1544 | 1990 else |
| 2676 | 1991 zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); |
| 1544 | 1992 |
| 1993 spa_close(spa, FTAG); | |
| 1994 | |
| 1995 return (error); | |
| 1996 } | |
| 1997 | |
| 1998 static int | |
| 1999 zfs_ioc_clear(zfs_cmd_t *zc) | |
| 2000 { | |
| 2001 spa_t *spa; | |
| 2002 vdev_t *vd; | |
| 2003 int error; | |
| 4451 | 2004 uint64_t txg; |
| 1544 | 2005 |
| 2006 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 2007 return (error); | |
| 2008 | |
| 4451 | 2009 txg = spa_vdev_enter(spa); |
| 1544 | 2010 |
| 2676 | 2011 if (zc->zc_guid == 0) { |
| 1544 | 2012 vd = NULL; |
| 2676 | 2013 } else if ((vd = spa_lookup_by_guid(spa, zc->zc_guid)) == NULL) { |
| 4451 | 2014 (void) spa_vdev_exit(spa, NULL, txg, ENODEV); |
| 1544 | 2015 spa_close(spa, FTAG); |
| 2016 return (ENODEV); | |
| 2017 } | |
| 2018 | |
| 2019 vdev_clear(spa, vd); | |
| 2020 | |
| 4451 | 2021 (void) spa_vdev_exit(spa, NULL, txg, 0); |
| 1544 | 2022 |
| 2023 spa_close(spa, FTAG); | |
| 2024 | |
| 2025 return (0); | |
| 2026 } | |
| 2027 | |
| 2028 static int | |
| 2082 | 2029 zfs_ioc_promote(zfs_cmd_t *zc) |
| 2030 { | |
| 2417 | 2031 char *cp; |
| 2032 | |
| 2033 /* | |
| 2034 * We don't need to unmount *all* the origin fs's snapshots, but | |
| 2035 * it's easier. | |
| 2036 */ | |
| 2676 | 2037 cp = strchr(zc->zc_value, '@'); |
| 2417 | 2038 if (cp) |
| 2039 *cp = '\0'; | |
| 2676 | 2040 (void) dmu_objset_find(zc->zc_value, |
| 2417 | 2041 zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); |
| 2082 | 2042 return (dsl_dataset_promote(zc->zc_name)); |
| 2043 } | |
| 2044 | |
| 4543 | 2045 /* |
| 2046 * We don't want to have a hard dependency | |
| 2047 * against some special symbols in sharefs | |
| 2048 * and nfs. Determine them if needed when | |
| 2049 * the first file system is shared. | |
| 2050 * Neither sharefs or nfs are unloadable modules. | |
| 2051 */ | |
| 2052 int (*zexport_fs)(void *arg); | |
| 2053 int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); | |
| 2054 | |
| 2055 int zfs_share_inited; | |
| 2056 ddi_modhandle_t nfs_mod; | |
| 2057 ddi_modhandle_t sharefs_mod; | |
| 2058 kmutex_t zfs_share_lock; | |
| 2059 | |
| 2060 static int | |
| 2061 zfs_ioc_share(zfs_cmd_t *zc) | |
| 2062 { | |
| 2063 int error; | |
| 2064 int opcode; | |
| 2065 | |
| 2066 if (zfs_share_inited == 0) { | |
| 2067 mutex_enter(&zfs_share_lock); | |
| 2068 nfs_mod = ddi_modopen("fs/nfs", KRTLD_MODE_FIRST, &error); | |
| 2069 sharefs_mod = ddi_modopen("fs/sharefs", | |
| 2070 KRTLD_MODE_FIRST, &error); | |
| 2071 if (nfs_mod == NULL || sharefs_mod == NULL) { | |
| 2072 mutex_exit(&zfs_share_lock); | |
| 2073 return (ENOSYS); | |
| 2074 } | |
| 2075 if (zexport_fs == NULL && ((zexport_fs = (int (*)(void *)) | |
| 2076 ddi_modsym(nfs_mod, "nfs_export", &error)) == NULL)) { | |
| 2077 mutex_exit(&zfs_share_lock); | |
| 2078 return (ENOSYS); | |
| 2079 } | |
| 2080 | |
| 2081 if (zshare_fs == NULL && ((zshare_fs = | |
| 2082 (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) | |
| 2083 ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { | |
| 2084 mutex_exit(&zfs_share_lock); | |
| 2085 return (ENOSYS); | |
| 2086 } | |
| 2087 zfs_share_inited = 1; | |
| 2088 mutex_exit(&zfs_share_lock); | |
| 2089 } | |
| 2090 | |
| 2091 if (error = zexport_fs((void *)(uintptr_t)zc->zc_share.z_exportdata)) | |
| 2092 return (error); | |
| 2093 | |
| 2094 opcode = (zc->zc_share.z_sharetype == B_TRUE) ? | |
| 2095 SHAREFS_ADD : SHAREFS_REMOVE; | |
| 2096 | |
| 2097 error = zshare_fs(opcode, | |
| 2098 (void *)(uintptr_t)zc->zc_share.z_sharedata, | |
| 2099 zc->zc_share.z_sharemax); | |
| 2100 | |
| 2101 return (error); | |
| 2102 | |
| 2103 } | |
| 2104 | |
| 2105 /* | |
| 2106 * pool destroy and pool export don't log the history as part of zfsdev_ioctl, | |
| 2107 * but rather zfs_ioc_pool_create, and zfs_ioc_pool_export do the loggin | |
| 2108 * of those commands. | |
| 2109 */ | |
| 789 | 2110 static zfs_ioc_vec_t zfs_ioc_vec[] = { |
| 4577 | 2111 { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
| 2112 { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2113 { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2114 { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2115 { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE }, | |
| 2116 { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE }, | |
| 2117 { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2118 { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2119 { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2120 { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2121 { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2122 { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2123 { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2124 { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2125 { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2126 { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2127 { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2128 { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, | |
| 4543 | 2129 { zfs_ioc_dataset_list_next, zfs_secpolicy_read, |
| 4577 | 2130 DATASET_NAME, B_FALSE }, |
| 4543 | 2131 { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, |
| 4577 | 2132 DATASET_NAME, B_FALSE }, |
| 2133 { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE }, | |
| 2134 { zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, | |
| 2135 { zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, | |
| 2136 { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE }, | |
| 2137 { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, | |
| 2138 { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE }, | |
| 2139 { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE }, | |
| 2140 { zfs_ioc_recvbackup, zfs_secpolicy_receive, DATASET_NAME, B_TRUE }, | |
| 2141 { zfs_ioc_sendbackup, zfs_secpolicy_send, DATASET_NAME, B_TRUE }, | |
| 2142 { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, | |
| 2143 { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, | |
| 2144 { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE }, | |
| 2145 { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE }, | |
| 2146 { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2147 { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE }, | |
| 2148 { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, | |
| 2149 { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE }, | |
| 2150 { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2151 { zfs_ioc_obj_to_path, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2152 { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2153 { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE }, | |
| 2154 { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE }, | |
| 2155 { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, | |
| 4543 | 2156 { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, |
| 4577 | 2157 DATASET_NAME, B_FALSE }, |
| 2158 { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE } | |
| 789 | 2159 }; |
| 2160 | |
| 2161 static int | |
| 2162 zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) | |
| 2163 { | |
| 2164 zfs_cmd_t *zc; | |
| 2165 uint_t vec; | |
| 2199 | 2166 int error, rc; |
| 789 | 2167 |
| 2168 if (getminor(dev) != 0) | |
| 2169 return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); | |
| 2170 | |
| 2171 vec = cmd - ZFS_IOC; | |
| 2172 | |
| 2173 if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) | |
| 2174 return (EINVAL); | |
| 2175 | |
| 2176 zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); | |
| 2177 | |
| 2178 error = xcopyin((void *)arg, zc, sizeof (zfs_cmd_t)); | |
| 2179 | |
| 2180 if (error == 0) { | |
| 2181 zc->zc_cred = (uintptr_t)cr; | |
| 2182 zc->zc_dev = dev; | |
| 4543 | 2183 error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); |
| 789 | 2184 } |
| 2185 | |
| 2186 /* | |
| 2187 * Ensure that all pool/dataset names are valid before we pass down to | |
| 2188 * the lower layers. | |
| 2189 */ | |
| 2190 if (error == 0) { | |
| 2191 zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; | |
| 2192 switch (zfs_ioc_vec[vec].zvec_namecheck) { | |
| 4577 | 2193 case POOL_NAME: |
| 789 | 2194 if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) |
| 2195 error = EINVAL; | |
| 2196 break; | |
| 2197 | |
| 4577 | 2198 case DATASET_NAME: |
| 789 | 2199 if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) |
| 2200 error = EINVAL; | |
| 2201 break; | |
| 2856 | 2202 |
| 4577 | 2203 case NO_NAME: |
| 2856 | 2204 break; |
| 789 | 2205 } |
| 2206 } | |
| 2207 | |
| 2208 if (error == 0) | |
| 2209 error = zfs_ioc_vec[vec].zvec_func(zc); | |
| 2210 | |
| 2199 | 2211 rc = xcopyout(zc, (void *)arg, sizeof (zfs_cmd_t)); |
| 4543 | 2212 if (error == 0) { |
| 2199 | 2213 error = rc; |
| 4543 | 2214 if (zfs_ioc_vec[vec].zvec_his_log == B_TRUE) |
| 2215 zfs_log_history(zc); | |
| 2216 } | |
| 789 | 2217 |
| 2218 kmem_free(zc, sizeof (zfs_cmd_t)); | |
| 2219 return (error); | |
| 2220 } | |
| 2221 | |
| 2222 static int | |
| 2223 zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) | |
| 2224 { | |
| 2225 if (cmd != DDI_ATTACH) | |
| 2226 return (DDI_FAILURE); | |
| 2227 | |
| 2228 if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, | |
| 2229 DDI_PSEUDO, 0) == DDI_FAILURE) | |
| 2230 return (DDI_FAILURE); | |
| 2231 | |
| 2232 zfs_dip = dip; | |
| 2233 | |
| 2234 ddi_report_dev(dip); | |
| 2235 | |
| 2236 return (DDI_SUCCESS); | |
| 2237 } | |
| 2238 | |
| 2239 static int | |
| 2240 zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) | |
| 2241 { | |
| 2242 if (spa_busy() || zfs_busy() || zvol_busy()) | |
| 2243 return (DDI_FAILURE); | |
| 2244 | |
| 2245 if (cmd != DDI_DETACH) | |
| 2246 return (DDI_FAILURE); | |
| 2247 | |
| 2248 zfs_dip = NULL; | |
| 2249 | |
| 2250 ddi_prop_remove_all(dip); | |
| 2251 ddi_remove_minor_node(dip, NULL); | |
| 2252 | |
| 2253 return (DDI_SUCCESS); | |
| 2254 } | |
| 2255 | |
| 2256 /*ARGSUSED*/ | |
| 2257 static int | |
| 2258 zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) | |
| 2259 { | |
| 2260 switch (infocmd) { | |
| 2261 case DDI_INFO_DEVT2DEVINFO: | |
| 2262 *result = zfs_dip; | |
| 2263 return (DDI_SUCCESS); | |
| 2264 | |
| 2265 case DDI_INFO_DEVT2INSTANCE: | |
|
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2266 *result = (void *)0; |
| 789 | 2267 return (DDI_SUCCESS); |
| 2268 } | |
| 2269 | |
| 2270 return (DDI_FAILURE); | |
| 2271 } | |
| 2272 | |
| 2273 /* | |
| 2274 * OK, so this is a little weird. | |
| 2275 * | |
| 2276 * /dev/zfs is the control node, i.e. minor 0. | |
| 2277 * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. | |
| 2278 * | |
| 2279 * /dev/zfs has basically nothing to do except serve up ioctls, | |
| 2280 * so most of the standard driver entry points are in zvol.c. | |
| 2281 */ | |
| 2282 static struct cb_ops zfs_cb_ops = { | |
| 2283 zvol_open, /* open */ | |
| 2284 zvol_close, /* close */ | |
| 2285 zvol_strategy, /* strategy */ | |
| 2286 nodev, /* print */ | |
| 2287 nodev, /* dump */ | |
| 2288 zvol_read, /* read */ | |
| 2289 zvol_write, /* write */ | |
| 2290 zfsdev_ioctl, /* ioctl */ | |
| 2291 nodev, /* devmap */ | |
| 2292 nodev, /* mmap */ | |
| 2293 nodev, /* segmap */ | |
| 2294 nochpoll, /* poll */ | |
| 2295 ddi_prop_op, /* prop_op */ | |
| 2296 NULL, /* streamtab */ | |
| 2297 D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ | |
| 2298 CB_REV, /* version */ | |
|
3638
6b28ebc717aa
6496357 spec_fsync() is useless on devices that do write caching
billm
parents:
3444
diff
changeset
|
2299 nodev, /* async read */ |
|
6b28ebc717aa
6496357 spec_fsync() is useless on devices that do write caching
billm
parents:
3444
diff
changeset
|
2300 nodev, /* async write */ |
| 789 | 2301 }; |
| 2302 | |
| 2303 static struct dev_ops zfs_dev_ops = { | |
| 2304 DEVO_REV, /* version */ | |
| 2305 0, /* refcnt */ | |
| 2306 zfs_info, /* info */ | |
| 2307 nulldev, /* identify */ | |
| 2308 nulldev, /* probe */ | |
| 2309 zfs_attach, /* attach */ | |
| 2310 zfs_detach, /* detach */ | |
| 2311 nodev, /* reset */ | |
| 2312 &zfs_cb_ops, /* driver operations */ | |
| 2313 NULL /* no bus operations */ | |
| 2314 }; | |
| 2315 | |
| 2316 static struct modldrv zfs_modldrv = { | |
| 4577 | 2317 &mod_driverops, "ZFS storage pool version " SPA_VERSION_STRING, |
| 2676 | 2318 &zfs_dev_ops |
| 789 | 2319 }; |
| 2320 | |
| 2321 static struct modlinkage modlinkage = { | |
| 2322 MODREV_1, | |
| 2323 (void *)&zfs_modlfs, | |
| 2324 (void *)&zfs_modldrv, | |
| 2325 NULL | |
| 2326 }; | |
| 2327 | |
| 2328 int | |
| 2329 _init(void) | |
| 2330 { | |
| 2331 int error; | |
| 2332 | |
|
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2333 spa_init(FREAD | FWRITE); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2334 zfs_init(); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2335 zvol_init(); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2336 |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2337 if ((error = mod_install(&modlinkage)) != 0) { |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2338 zvol_fini(); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2339 zfs_fini(); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2340 spa_fini(); |
| 789 | 2341 return (error); |
|
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2342 } |
| 789 | 2343 |
| 2344 error = ldi_ident_from_mod(&modlinkage, &zfs_li); | |
| 2345 ASSERT(error == 0); | |
| 4543 | 2346 mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); |
| 789 | 2347 |
| 2348 return (0); | |
| 2349 } | |
| 2350 | |
| 2351 int | |
| 2352 _fini(void) | |
| 2353 { | |
| 2354 int error; | |
| 2355 | |
| 1544 | 2356 if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) |
| 789 | 2357 return (EBUSY); |
| 2358 | |
| 2359 if ((error = mod_remove(&modlinkage)) != 0) | |
| 2360 return (error); | |
| 2361 | |
| 2362 zvol_fini(); | |
| 2363 zfs_fini(); | |
| 2364 spa_fini(); | |
| 4543 | 2365 if (zfs_share_inited) { |
| 2366 (void) ddi_modclose(nfs_mod); | |
| 2367 (void) ddi_modclose(sharefs_mod); | |
| 2368 } | |
| 789 | 2369 |
| 2370 ldi_ident_release(zfs_li); | |
| 2371 zfs_li = NULL; | |
| 4543 | 2372 mutex_destroy(&zfs_share_lock); |
| 789 | 2373 |
| 2374 return (error); | |
| 2375 } | |
| 2376 | |
| 2377 int | |
| 2378 _info(struct modinfo *modinfop) | |
| 2379 { | |
| 2380 return (mod_info(&modlinkage, modinfop)); | |
| 2381 } |