Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/zfs_ioctl.c @ 4808:63629eaeb41a
6498144 ::kmastat could be even easier to read
6580855 spa_scrub() should be called with spa_namespace_lock held, not the config lock
| author | ek110237 |
|---|---|
| date | Mon, 06 Aug 2007 15:11:21 -0700 |
| parents | 602d3f97842c |
| children | 3a61e0a9a953 |
| 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 |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
130 history_str_free(char *buf) |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
131 { |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
132 kmem_free(buf, HIS_MAX_RECORD_LEN); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
133 } |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
134 |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
135 static char * |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
136 history_str_get(zfs_cmd_t *zc) |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
137 { |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
138 char *buf; |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
139 |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
140 if (zc->zc_history == NULL) |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
141 return (NULL); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
142 |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
143 buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
144 if (copyinstr((void *)(uintptr_t)zc->zc_history, |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
145 buf, HIS_MAX_RECORD_LEN, NULL) != 0) { |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
146 history_str_free(buf); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
147 return (NULL); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
148 } |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
149 |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
150 buf[HIS_MAX_RECORD_LEN -1] = '\0'; |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
151 |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
152 return (buf); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
153 } |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
154 |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
155 static void |
| 4543 | 156 zfs_log_history(zfs_cmd_t *zc) |
| 157 { | |
| 158 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
|
159 char *buf; |
| 4543 | 160 |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
161 if ((buf = history_str_get(zc)) == NULL) |
| 4577 | 162 return; |
| 163 | |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
164 if (spa_open(zc->zc_name, &spa, FTAG) == 0) { |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
165 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
166 (void) spa_history_log(spa, buf, LOG_CMD_NORMAL); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
167 spa_close(spa, FTAG); |
| 4543 | 168 } |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
169 history_str_free(buf); |
| 4543 | 170 } |
| 171 | |
| 789 | 172 /* |
| 173 * Policy for top-level read operations (list pools). Requires no privileges, | |
| 174 * and can be used in the local zone, as there is no associated dataset. | |
| 175 */ | |
| 176 /* ARGSUSED */ | |
| 177 static int | |
| 4543 | 178 zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 179 { |
| 180 return (0); | |
| 181 } | |
| 182 | |
| 183 /* | |
| 184 * Policy for dataset read operations (list children, get statistics). Requires | |
| 185 * no privileges, but must be visible in the local zone. | |
| 186 */ | |
| 187 /* ARGSUSED */ | |
| 188 static int | |
| 4543 | 189 zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 190 { |
| 191 if (INGLOBALZONE(curproc) || | |
| 4543 | 192 zone_dataset_visible(zc->zc_name, NULL)) |
| 789 | 193 return (0); |
| 194 | |
| 195 return (ENOENT); | |
| 196 } | |
| 197 | |
| 198 static int | |
| 199 zfs_dozonecheck(const char *dataset, cred_t *cr) | |
| 200 { | |
| 201 uint64_t zoned; | |
| 202 int writable = 1; | |
| 203 | |
| 204 /* | |
| 205 * The dataset must be visible by this zone -- check this first | |
| 206 * so they don't see EPERM on something they shouldn't know about. | |
| 207 */ | |
| 208 if (!INGLOBALZONE(curproc) && | |
| 209 !zone_dataset_visible(dataset, &writable)) | |
| 210 return (ENOENT); | |
| 211 | |
| 212 if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) | |
| 213 return (ENOENT); | |
| 214 | |
| 215 if (INGLOBALZONE(curproc)) { | |
| 216 /* | |
| 217 * If the fs is zoned, only root can access it from the | |
| 218 * global zone. | |
| 219 */ | |
| 220 if (secpolicy_zfs(cr) && zoned) | |
| 221 return (EPERM); | |
| 222 } else { | |
| 223 /* | |
| 224 * If we are in a local zone, the 'zoned' property must be set. | |
| 225 */ | |
| 226 if (!zoned) | |
| 227 return (EPERM); | |
| 228 | |
| 229 /* must be writable by this zone */ | |
| 230 if (!writable) | |
| 231 return (EPERM); | |
| 232 } | |
| 233 return (0); | |
| 234 } | |
| 235 | |
| 236 int | |
| 4543 | 237 zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) |
| 789 | 238 { |
| 239 int error; | |
| 240 | |
| 4543 | 241 error = zfs_dozonecheck(name, cr); |
| 242 if (error == 0) { | |
| 243 error = secpolicy_zfs(cr); | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
244 if (error) |
| 4543 | 245 error = dsl_deleg_access(name, perm, cr); |
| 246 } | |
| 247 return (error); | |
| 248 } | |
| 249 | |
| 250 static int | |
| 251 zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) | |
| 252 { | |
| 253 /* | |
| 254 * Check permissions for special properties. | |
| 255 */ | |
| 256 switch (prop) { | |
| 257 case ZFS_PROP_ZONED: | |
| 258 /* | |
| 259 * Disallow setting of 'zoned' from within a local zone. | |
| 260 */ | |
| 261 if (!INGLOBALZONE(curproc)) | |
| 262 return (EPERM); | |
| 263 break; | |
| 789 | 264 |
| 4543 | 265 case ZFS_PROP_QUOTA: |
| 266 if (!INGLOBALZONE(curproc)) { | |
| 267 uint64_t zoned; | |
| 268 char setpoint[MAXNAMELEN]; | |
| 269 /* | |
| 270 * Unprivileged users are allowed to modify the | |
| 271 * quota on things *under* (ie. contained by) | |
| 272 * the thing they own. | |
| 273 */ | |
| 274 if (dsl_prop_get_integer(name, "zoned", &zoned, | |
| 275 setpoint)) | |
| 276 return (EPERM); | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
277 if (!zoned || strlen(name) <= strlen(setpoint)) |
| 4543 | 278 return (EPERM); |
| 279 } | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
280 break; |
| 4543 | 281 } |
| 282 | |
| 4787 | 283 return (zfs_secpolicy_write_perms(name, zfs_prop_to_name(prop), cr)); |
| 789 | 284 } |
| 285 | |
| 4543 | 286 int |
| 287 zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) | |
| 288 { | |
| 289 int error; | |
| 290 | |
| 291 error = zfs_dozonecheck(zc->zc_name, cr); | |
| 292 if (error) | |
| 293 return (error); | |
| 294 | |
| 295 /* | |
| 296 * permission to set permissions will be evaluated later in | |
| 297 * dsl_deleg_can_allow() | |
| 298 */ | |
| 299 return (0); | |
| 300 } | |
| 301 | |
| 302 int | |
| 303 zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) | |
| 304 { | |
| 305 int error; | |
| 306 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 307 ZFS_DELEG_PERM_ROLLBACK, cr); | |
| 308 if (error == 0) | |
| 309 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 310 ZFS_DELEG_PERM_MOUNT, cr); | |
| 311 return (error); | |
| 312 } | |
| 313 | |
| 314 int | |
| 315 zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) | |
| 316 { | |
| 317 return (zfs_secpolicy_write_perms(zc->zc_name, | |
| 318 ZFS_DELEG_PERM_SEND, cr)); | |
| 319 } | |
| 320 | |
| 321 int | |
| 322 zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) | |
| 323 { | |
| 324 if (!INGLOBALZONE(curproc)) | |
| 325 return (EPERM); | |
| 326 | |
| 327 if (secpolicy_nfs(CRED()) == 0) { | |
| 328 return (0); | |
| 329 } else { | |
| 330 vnode_t *vp; | |
| 331 int error; | |
| 332 | |
| 333 if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, | |
| 334 NO_FOLLOW, NULL, &vp)) != 0) | |
| 335 return (error); | |
| 336 | |
| 337 /* Now make sure mntpnt and dataset are ZFS */ | |
| 338 | |
| 339 if (vp->v_vfsp->vfs_fstype != zfsfstype || | |
| 340 (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), | |
| 341 zc->zc_name) != 0)) { | |
| 342 VN_RELE(vp); | |
| 343 return (EPERM); | |
| 344 } | |
| 345 | |
| 346 VN_RELE(vp); | |
| 347 return (dsl_deleg_access(zc->zc_name, | |
| 348 ZFS_DELEG_PERM_SHARE, cr)); | |
| 349 } | |
| 350 } | |
| 351 | |
| 789 | 352 static int |
| 4543 | 353 zfs_get_parent(const char *datasetname, char *parent, int parentsize) |
| 789 | 354 { |
| 355 char *cp; | |
| 356 | |
| 357 /* | |
| 358 * Remove the @bla or /bla from the end of the name to get the parent. | |
| 359 */ | |
| 4543 | 360 (void) strncpy(parent, datasetname, parentsize); |
| 361 cp = strrchr(parent, '@'); | |
| 789 | 362 if (cp != NULL) { |
| 363 cp[0] = '\0'; | |
| 364 } else { | |
| 4543 | 365 cp = strrchr(parent, '/'); |
| 789 | 366 if (cp == NULL) |
| 367 return (ENOENT); | |
| 368 cp[0] = '\0'; | |
| 369 } | |
| 370 | |
| 4543 | 371 return (0); |
| 372 } | |
| 373 | |
| 374 int | |
| 375 zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) | |
| 376 { | |
| 377 int error; | |
| 378 | |
| 379 if ((error = zfs_secpolicy_write_perms(name, | |
| 380 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 381 return (error); | |
| 382 | |
| 383 return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); | |
| 384 } | |
| 385 | |
| 386 static int | |
| 387 zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) | |
| 388 { | |
| 389 return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); | |
| 390 } | |
| 391 | |
| 392 /* | |
| 393 * Must have sys_config privilege to check the iscsi permission | |
| 394 */ | |
| 395 /* ARGSUSED */ | |
| 396 static int | |
| 397 zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) | |
| 398 { | |
| 399 return (secpolicy_zfs(cr)); | |
| 400 } | |
| 401 | |
| 402 int | |
| 403 zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) | |
| 404 { | |
| 405 char parentname[MAXNAMELEN]; | |
| 406 int error; | |
| 407 | |
| 408 if ((error = zfs_secpolicy_write_perms(from, | |
| 409 ZFS_DELEG_PERM_RENAME, cr)) != 0) | |
| 410 return (error); | |
| 411 | |
| 412 if ((error = zfs_secpolicy_write_perms(from, | |
| 413 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 414 return (error); | |
| 415 | |
| 416 if ((error = zfs_get_parent(to, parentname, | |
| 417 sizeof (parentname))) != 0) | |
| 418 return (error); | |
| 419 | |
| 420 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 421 ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
| 422 return (error); | |
| 423 | |
| 424 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 425 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 426 return (error); | |
| 427 | |
| 428 return (error); | |
| 429 } | |
| 430 | |
| 431 static int | |
| 432 zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) | |
| 433 { | |
| 434 return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); | |
| 435 } | |
| 436 | |
| 437 static int | |
| 438 zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) | |
| 439 { | |
| 440 char parentname[MAXNAMELEN]; | |
| 441 objset_t *clone; | |
| 442 int error; | |
| 443 | |
| 444 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 445 ZFS_DELEG_PERM_PROMOTE, cr); | |
| 446 if (error) | |
| 447 return (error); | |
| 448 | |
| 449 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
| 450 DS_MODE_STANDARD | DS_MODE_READONLY, &clone); | |
| 451 | |
| 452 if (error == 0) { | |
| 453 dsl_dataset_t *pclone = NULL; | |
| 454 dsl_dir_t *dd; | |
| 455 dd = clone->os->os_dsl_dataset->ds_dir; | |
| 456 | |
| 457 rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); | |
| 458 error = dsl_dataset_open_obj(dd->dd_pool, | |
| 459 dd->dd_phys->dd_clone_parent_obj, NULL, | |
| 460 DS_MODE_NONE, FTAG, &pclone); | |
| 461 rw_exit(&dd->dd_pool->dp_config_rwlock); | |
| 462 if (error) { | |
| 463 dmu_objset_close(clone); | |
| 464 return (error); | |
| 465 } | |
| 466 | |
| 467 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 468 ZFS_DELEG_PERM_MOUNT, cr); | |
| 469 | |
| 470 dsl_dataset_name(pclone, parentname); | |
| 471 dmu_objset_close(clone); | |
| 472 dsl_dataset_close(pclone, DS_MODE_NONE, FTAG); | |
| 473 if (error == 0) | |
| 474 error = zfs_secpolicy_write_perms(parentname, | |
| 475 ZFS_DELEG_PERM_PROMOTE, cr); | |
| 476 } | |
| 477 return (error); | |
| 478 } | |
| 479 | |
| 480 static int | |
| 481 zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) | |
| 482 { | |
| 483 int error; | |
| 484 | |
| 485 if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 486 ZFS_DELEG_PERM_RECEIVE, cr)) != 0) | |
| 487 return (error); | |
| 488 | |
| 489 if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 490 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 491 return (error); | |
| 492 | |
| 493 return (zfs_secpolicy_write_perms(zc->zc_name, | |
| 494 ZFS_DELEG_PERM_CREATE, cr)); | |
| 495 } | |
| 496 | |
| 497 int | |
| 498 zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) | |
| 499 { | |
| 500 int error; | |
| 501 | |
| 502 if ((error = zfs_secpolicy_write_perms(name, | |
| 503 ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0) | |
| 504 return (error); | |
| 505 | |
| 506 error = zfs_secpolicy_write_perms(name, | |
| 507 ZFS_DELEG_PERM_MOUNT, cr); | |
| 508 | |
| 509 return (error); | |
| 510 } | |
| 511 | |
| 512 static int | |
| 513 zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) | |
| 514 { | |
| 515 | |
| 516 return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); | |
| 517 } | |
| 518 | |
| 519 static int | |
| 520 zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) | |
| 521 { | |
| 522 char parentname[MAXNAMELEN]; | |
| 523 int error; | |
| 524 | |
| 525 if ((error = zfs_get_parent(zc->zc_name, parentname, | |
| 526 sizeof (parentname))) != 0) | |
| 527 return (error); | |
| 528 | |
| 529 if (zc->zc_value[0] != '\0') { | |
| 530 if ((error = zfs_secpolicy_write_perms(zc->zc_value, | |
| 531 ZFS_DELEG_PERM_CLONE, cr)) != 0) | |
| 532 return (error); | |
| 533 } | |
| 534 | |
| 535 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 536 ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
| 537 return (error); | |
| 538 | |
| 539 error = zfs_secpolicy_write_perms(parentname, | |
| 540 ZFS_DELEG_PERM_MOUNT, cr); | |
| 541 | |
| 542 return (error); | |
| 543 } | |
| 544 | |
| 545 static int | |
| 546 zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) | |
| 547 { | |
| 548 int error; | |
| 549 | |
| 550 error = secpolicy_fs_unmount(cr, NULL); | |
| 551 if (error) { | |
| 552 error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); | |
| 553 } | |
| 554 return (error); | |
| 789 | 555 } |
| 556 | |
| 557 /* | |
| 558 * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires | |
| 559 * SYS_CONFIG privilege, which is not available in a local zone. | |
| 560 */ | |
| 561 /* ARGSUSED */ | |
| 562 static int | |
| 4543 | 563 zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 564 { |
| 565 if (secpolicy_sys_config(cr, B_FALSE) != 0) | |
| 566 return (EPERM); | |
| 567 | |
| 568 return (0); | |
| 569 } | |
| 570 | |
| 571 /* | |
| 4543 | 572 * Just like zfs_secpolicy_config, except that we will check for |
| 573 * mount permission on the dataset for permission to create/remove | |
| 574 * the minor nodes. | |
| 575 */ | |
| 576 static int | |
| 577 zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr) | |
| 578 { | |
| 579 if (secpolicy_sys_config(cr, B_FALSE) != 0) { | |
| 580 return (dsl_deleg_access(zc->zc_name, | |
| 581 ZFS_DELEG_PERM_MOUNT, cr)); | |
| 582 } | |
| 583 | |
| 584 return (0); | |
| 585 } | |
| 586 | |
| 587 /* | |
| 1544 | 588 * Policy for fault injection. Requires all privileges. |
| 589 */ | |
| 590 /* ARGSUSED */ | |
| 591 static int | |
| 4543 | 592 zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) |
| 1544 | 593 { |
| 594 return (secpolicy_zinject(cr)); | |
| 595 } | |
| 596 | |
| 597 /* | |
| 789 | 598 * Returns the nvlist as specified by the user in the zfs_cmd_t. |
| 599 */ | |
| 600 static int | |
| 2676 | 601 get_nvlist(zfs_cmd_t *zc, nvlist_t **nvp) |
| 789 | 602 { |
| 603 char *packed; | |
| 604 size_t size; | |
| 605 int error; | |
| 606 nvlist_t *config = NULL; | |
| 607 | |
| 608 /* | |
| 2676 | 609 * Read in and unpack the user-supplied nvlist. |
| 789 | 610 */ |
| 2676 | 611 if ((size = zc->zc_nvlist_src_size) == 0) |
| 789 | 612 return (EINVAL); |
| 613 | |
| 614 packed = kmem_alloc(size, KM_SLEEP); | |
| 615 | |
| 2676 | 616 if ((error = xcopyin((void *)(uintptr_t)zc->zc_nvlist_src, packed, |
| 789 | 617 size)) != 0) { |
| 618 kmem_free(packed, size); | |
| 619 return (error); | |
| 620 } | |
| 621 | |
| 622 if ((error = nvlist_unpack(packed, size, &config, 0)) != 0) { | |
| 623 kmem_free(packed, size); | |
| 624 return (error); | |
| 625 } | |
| 626 | |
| 627 kmem_free(packed, size); | |
| 628 | |
| 629 *nvp = config; | |
| 630 return (0); | |
| 631 } | |
| 632 | |
| 633 static int | |
| 2676 | 634 put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) |
| 635 { | |
| 636 char *packed = NULL; | |
| 637 size_t size; | |
| 638 int error; | |
| 639 | |
| 640 VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); | |
| 641 | |
| 642 if (size > zc->zc_nvlist_dst_size) { | |
| 643 error = ENOMEM; | |
| 644 } else { | |
| 4611 | 645 packed = kmem_alloc(size, KM_SLEEP); |
| 2676 | 646 VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, |
| 647 KM_SLEEP) == 0); | |
| 648 error = xcopyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, | |
| 649 size); | |
| 650 kmem_free(packed, size); | |
| 651 } | |
| 652 | |
| 653 zc->zc_nvlist_dst_size = size; | |
| 654 return (error); | |
| 655 } | |
| 656 | |
| 657 static int | |
| 789 | 658 zfs_ioc_pool_create(zfs_cmd_t *zc) |
| 659 { | |
| 660 int error; | |
| 661 nvlist_t *config; | |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
662 char *buf; |
| 789 | 663 |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
664 if ((buf = history_str_get(zc)) == NULL) |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
665 return (EINVAL); |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
666 |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
667 if ((error = get_nvlist(zc, &config)) != 0) { |
|
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
668 history_str_free(buf); |
| 789 | 669 return (error); |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
670 } |
| 789 | 671 |
| 2676 | 672 error = spa_create(zc->zc_name, config, zc->zc_value[0] == '\0' ? |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
673 NULL : zc->zc_value, buf); |
| 789 | 674 |
| 675 nvlist_free(config); | |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
676 history_str_free(buf); |
| 789 | 677 |
| 678 return (error); | |
| 679 } | |
| 680 | |
| 681 static int | |
| 682 zfs_ioc_pool_destroy(zfs_cmd_t *zc) | |
| 683 { | |
| 4543 | 684 int error; |
| 685 zfs_log_history(zc); | |
| 686 error = spa_destroy(zc->zc_name); | |
| 687 return (error); | |
| 789 | 688 } |
| 689 | |
| 690 static int | |
| 691 zfs_ioc_pool_import(zfs_cmd_t *zc) | |
| 692 { | |
| 693 int error; | |
| 694 nvlist_t *config; | |
| 695 uint64_t guid; | |
| 696 | |
| 2676 | 697 if ((error = get_nvlist(zc, &config)) != 0) |
| 789 | 698 return (error); |
| 699 | |
| 700 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || | |
| 1544 | 701 guid != zc->zc_guid) |
| 789 | 702 error = EINVAL; |
| 703 else | |
| 704 error = spa_import(zc->zc_name, config, | |
| 2676 | 705 zc->zc_value[0] == '\0' ? NULL : zc->zc_value); |
| 789 | 706 |
| 707 nvlist_free(config); | |
| 708 | |
| 709 return (error); | |
| 710 } | |
| 711 | |
| 712 static int | |
| 713 zfs_ioc_pool_export(zfs_cmd_t *zc) | |
| 714 { | |
| 4543 | 715 int error; |
| 716 zfs_log_history(zc); | |
| 717 error = spa_export(zc->zc_name, NULL); | |
| 718 return (error); | |
| 789 | 719 } |
| 720 | |
| 721 static int | |
| 722 zfs_ioc_pool_configs(zfs_cmd_t *zc) | |
| 723 { | |
| 724 nvlist_t *configs; | |
| 725 int error; | |
| 726 | |
| 727 if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) | |
| 728 return (EEXIST); | |
| 729 | |
| 2676 | 730 error = put_nvlist(zc, configs); |
| 789 | 731 |
| 732 nvlist_free(configs); | |
| 733 | |
| 734 return (error); | |
| 735 } | |
| 736 | |
| 737 static int | |
| 738 zfs_ioc_pool_stats(zfs_cmd_t *zc) | |
| 739 { | |
| 740 nvlist_t *config; | |
| 741 int error; | |
| 1544 | 742 int ret = 0; |
| 789 | 743 |
| 2676 | 744 error = spa_get_stats(zc->zc_name, &config, zc->zc_value, |
| 745 sizeof (zc->zc_value)); | |
| 789 | 746 |
| 747 if (config != NULL) { | |
| 2676 | 748 ret = put_nvlist(zc, config); |
| 789 | 749 nvlist_free(config); |
| 1544 | 750 |
| 751 /* | |
| 752 * The config may be present even if 'error' is non-zero. | |
| 753 * In this case we return success, and preserve the real errno | |
| 754 * in 'zc_cookie'. | |
| 755 */ | |
| 756 zc->zc_cookie = error; | |
| 789 | 757 } else { |
| 1544 | 758 ret = error; |
| 789 | 759 } |
| 760 | |
| 1544 | 761 return (ret); |
| 789 | 762 } |
| 763 | |
| 764 /* | |
| 765 * Try to import the given pool, returning pool stats as appropriate so that | |
| 766 * user land knows which devices are available and overall pool health. | |
| 767 */ | |
| 768 static int | |
| 769 zfs_ioc_pool_tryimport(zfs_cmd_t *zc) | |
| 770 { | |
| 771 nvlist_t *tryconfig, *config; | |
| 772 int error; | |
| 773 | |
| 2676 | 774 if ((error = get_nvlist(zc, &tryconfig)) != 0) |
| 789 | 775 return (error); |
| 776 | |
| 777 config = spa_tryimport(tryconfig); | |
| 778 | |
| 779 nvlist_free(tryconfig); | |
| 780 | |
| 781 if (config == NULL) | |
| 782 return (EINVAL); | |
| 783 | |
| 2676 | 784 error = put_nvlist(zc, config); |
| 789 | 785 nvlist_free(config); |
| 786 | |
| 787 return (error); | |
| 788 } | |
| 789 | |
| 790 static int | |
| 791 zfs_ioc_pool_scrub(zfs_cmd_t *zc) | |
| 792 { | |
| 793 spa_t *spa; | |
| 794 int error; | |
| 795 | |
| 2926 | 796 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 797 return (error); | |
| 798 | |
| 4808 | 799 mutex_enter(&spa_namespace_lock); |
| 2926 | 800 error = spa_scrub(spa, zc->zc_cookie, B_FALSE); |
| 4808 | 801 mutex_exit(&spa_namespace_lock); |
| 2926 | 802 |
| 803 spa_close(spa, FTAG); | |
| 804 | |
| 789 | 805 return (error); |
| 806 } | |
| 807 | |
| 808 static int | |
| 809 zfs_ioc_pool_freeze(zfs_cmd_t *zc) | |
| 810 { | |
| 811 spa_t *spa; | |
| 812 int error; | |
| 813 | |
| 814 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 815 if (error == 0) { | |
| 816 spa_freeze(spa); | |
| 817 spa_close(spa, FTAG); | |
| 818 } | |
| 819 return (error); | |
| 820 } | |
| 821 | |
| 822 static int | |
| 1760 | 823 zfs_ioc_pool_upgrade(zfs_cmd_t *zc) |
| 824 { | |
| 825 spa_t *spa; | |
| 826 int error; | |
| 827 | |
| 2926 | 828 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 829 return (error); | |
| 830 | |
| 831 spa_upgrade(spa); | |
| 832 spa_close(spa, FTAG); | |
| 833 | |
| 834 return (error); | |
| 835 } | |
| 836 | |
| 837 static int | |
| 838 zfs_ioc_pool_get_history(zfs_cmd_t *zc) | |
| 839 { | |
| 840 spa_t *spa; | |
| 841 char *hist_buf; | |
| 842 uint64_t size; | |
| 843 int error; | |
| 844 | |
| 845 if ((size = zc->zc_history_len) == 0) | |
| 846 return (EINVAL); | |
| 847 | |
| 848 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 849 return (error); | |
| 850 | |
| 4577 | 851 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
|
852 spa_close(spa, FTAG); |
|
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
853 return (ENOTSUP); |
|
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
854 } |
|
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
855 |
| 2926 | 856 hist_buf = kmem_alloc(size, KM_SLEEP); |
| 857 if ((error = spa_history_get(spa, &zc->zc_history_offset, | |
| 858 &zc->zc_history_len, hist_buf)) == 0) { | |
| 4543 | 859 error = xcopyout(hist_buf, |
| 860 (char *)(uintptr_t)zc->zc_history, | |
| 2926 | 861 zc->zc_history_len); |
| 862 } | |
| 863 | |
| 864 spa_close(spa, FTAG); | |
| 865 kmem_free(hist_buf, size); | |
| 866 return (error); | |
| 867 } | |
| 868 | |
| 869 static int | |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
870 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
|
871 { |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
872 int error; |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
873 |
| 3912 | 874 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
|
875 return (error); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
876 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
877 return (0); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
878 } |
|
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 static int |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
881 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
|
882 { |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
883 objset_t *osp; |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
884 int error; |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
885 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
886 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
|
887 DS_MODE_NONE | DS_MODE_READONLY, &osp)) != 0) |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
888 return (error); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
889 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
890 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
|
891 sizeof (zc->zc_value)); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
892 dmu_objset_close(osp); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
893 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
894 return (error); |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
895 } |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
896 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
897 static int |
| 789 | 898 zfs_ioc_vdev_add(zfs_cmd_t *zc) |
| 899 { | |
| 900 spa_t *spa; | |
| 901 int error; | |
| 902 nvlist_t *config; | |
| 903 | |
| 904 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 905 if (error != 0) | |
| 906 return (error); | |
| 907 | |
| 3912 | 908 /* |
| 909 * A root pool with concatenated devices is not supported. | |
| 910 * Thus, can not add a device to a root pool with one device. | |
| 911 */ | |
| 912 if (spa->spa_root_vdev->vdev_children == 1 && spa->spa_bootfs != 0) { | |
| 913 spa_close(spa, FTAG); | |
| 914 return (EDOM); | |
| 915 } | |
| 916 | |
| 2676 | 917 if ((error = get_nvlist(zc, &config)) == 0) { |
| 789 | 918 error = spa_vdev_add(spa, config); |
| 919 nvlist_free(config); | |
| 920 } | |
| 921 spa_close(spa, FTAG); | |
| 922 return (error); | |
| 923 } | |
| 924 | |
| 925 static int | |
| 926 zfs_ioc_vdev_remove(zfs_cmd_t *zc) | |
| 927 { | |
| 2082 | 928 spa_t *spa; |
| 929 int error; | |
| 930 | |
| 931 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 932 if (error != 0) | |
| 933 return (error); | |
| 934 error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); | |
| 935 spa_close(spa, FTAG); | |
| 936 return (error); | |
| 789 | 937 } |
| 938 | |
| 939 static int | |
| 4451 | 940 zfs_ioc_vdev_set_state(zfs_cmd_t *zc) |
| 789 | 941 { |
| 942 spa_t *spa; | |
| 943 int error; | |
| 4451 | 944 vdev_state_t newstate = VDEV_STATE_UNKNOWN; |
| 789 | 945 |
| 2926 | 946 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 947 return (error); |
| 4451 | 948 switch (zc->zc_cookie) { |
| 949 case VDEV_STATE_ONLINE: | |
| 950 error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); | |
| 951 break; | |
| 952 | |
| 953 case VDEV_STATE_OFFLINE: | |
| 954 error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); | |
| 955 break; | |
| 789 | 956 |
| 4451 | 957 case VDEV_STATE_FAULTED: |
| 958 error = vdev_fault(spa, zc->zc_guid); | |
| 959 break; | |
| 789 | 960 |
| 4451 | 961 case VDEV_STATE_DEGRADED: |
| 962 error = vdev_degrade(spa, zc->zc_guid); | |
| 963 break; | |
| 964 | |
| 965 default: | |
| 966 error = EINVAL; | |
| 967 } | |
| 968 zc->zc_cookie = newstate; | |
| 789 | 969 spa_close(spa, FTAG); |
| 970 return (error); | |
| 971 } | |
| 972 | |
| 973 static int | |
| 974 zfs_ioc_vdev_attach(zfs_cmd_t *zc) | |
| 975 { | |
| 976 spa_t *spa; | |
| 977 int replacing = zc->zc_cookie; | |
| 978 nvlist_t *config; | |
| 979 int error; | |
| 980 | |
| 2926 | 981 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 982 return (error); |
| 983 | |
| 2676 | 984 if ((error = get_nvlist(zc, &config)) == 0) { |
| 1544 | 985 error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); |
| 789 | 986 nvlist_free(config); |
| 987 } | |
| 988 | |
| 989 spa_close(spa, FTAG); | |
| 990 return (error); | |
| 991 } | |
| 992 | |
| 993 static int | |
| 994 zfs_ioc_vdev_detach(zfs_cmd_t *zc) | |
| 995 { | |
| 996 spa_t *spa; | |
| 997 int error; | |
| 998 | |
| 2926 | 999 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 1000 return (error); |
| 1001 | |
| 1544 | 1002 error = spa_vdev_detach(spa, zc->zc_guid, B_FALSE); |
| 789 | 1003 |
| 1004 spa_close(spa, FTAG); | |
| 1005 return (error); | |
| 1006 } | |
| 1007 | |
| 1008 static int | |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1009 zfs_ioc_vdev_setpath(zfs_cmd_t *zc) |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1010 { |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1011 spa_t *spa; |
| 2676 | 1012 char *path = zc->zc_value; |
| 1544 | 1013 uint64_t guid = zc->zc_guid; |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1014 int error; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1015 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1016 error = spa_open(zc->zc_name, &spa, FTAG); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1017 if (error != 0) |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1018 return (error); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1019 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1020 error = spa_vdev_setpath(spa, guid, path); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1021 spa_close(spa, FTAG); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1022 return (error); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1023 } |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1024 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1025 static int |
| 789 | 1026 zfs_ioc_objset_stats(zfs_cmd_t *zc) |
| 1027 { | |
| 1028 objset_t *os = NULL; | |
| 1029 int error; | |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1030 nvlist_t *nv; |
| 789 | 1031 |
| 1032 retry: | |
| 1033 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
| 1034 DS_MODE_STANDARD | DS_MODE_READONLY, &os); | |
| 1035 if (error != 0) { | |
| 1036 /* | |
| 1037 * This is ugly: dmu_objset_open() can return EBUSY if | |
| 1038 * the objset is held exclusively. Fortunately this hold is | |
| 1039 * only for a short while, so we retry here. | |
| 1040 * This avoids user code having to handle EBUSY, | |
| 1041 * for example for a "zfs list". | |
| 1042 */ | |
| 1043 if (error == EBUSY) { | |
| 1044 delay(1); | |
| 1045 goto retry; | |
| 1046 } | |
| 1047 return (error); | |
| 1048 } | |
| 1049 | |
| 2885 | 1050 dmu_objset_fast_stat(os, &zc->zc_objset_stats); |
| 789 | 1051 |
| 2856 | 1052 if (zc->zc_nvlist_dst != 0 && |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1053 (error = dsl_prop_get_all(os, &nv)) == 0) { |
| 2885 | 1054 dmu_objset_stats(os, nv); |
| 3087 | 1055 /* |
| 4577 | 1056 * NB: {zpl,zvol}_get_stats() will read the objset contents, |
| 3087 | 1057 * which we aren't supposed to do with a |
| 1058 * DS_MODE_STANDARD open, because it could be | |
| 1059 * inconsistent. So this is a bit of a workaround... | |
| 1060 */ | |
| 4577 | 1061 if (!zc->zc_objset_stats.dds_inconsistent) { |
| 1062 if (dmu_objset_type(os) == DMU_OST_ZVOL) | |
| 1063 VERIFY(zvol_get_stats(os, nv) == 0); | |
| 1064 else if (dmu_objset_type(os) == DMU_OST_ZFS) | |
| 1065 (void) zfs_get_stats(os, nv); | |
| 1066 } | |
| 2676 | 1067 error = put_nvlist(zc, nv); |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1068 nvlist_free(nv); |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1069 } |
| 789 | 1070 |
| 2676 | 1071 spa_altroot(dmu_objset_spa(os), zc->zc_value, sizeof (zc->zc_value)); |
| 1544 | 1072 |
| 789 | 1073 dmu_objset_close(os); |
| 1074 return (error); | |
| 1075 } | |
| 1076 | |
| 1077 static int | |
| 1078 zfs_ioc_dataset_list_next(zfs_cmd_t *zc) | |
| 1079 { | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1080 objset_t *os; |
| 789 | 1081 int error; |
| 1082 char *p; | |
| 1083 | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1084 retry: |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1085 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
|
1086 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
|
1087 if (error != 0) { |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1088 /* |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1089 * 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
|
1090 * 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
|
1091 * 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
|
1092 * 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
|
1093 * for example for a "zfs list". |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1094 */ |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1095 if (error == EBUSY) { |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1096 delay(1); |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1097 goto retry; |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1098 } |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1099 if (error == ENOENT) |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1100 error = ESRCH; |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1101 return (error); |
| 789 | 1102 } |
| 1103 | |
| 1104 p = strrchr(zc->zc_name, '/'); | |
| 1105 if (p == NULL || p[1] != '\0') | |
| 1106 (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); | |
| 1107 p = zc->zc_name + strlen(zc->zc_name); | |
| 1108 | |
| 1109 do { | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1110 error = dmu_dir_list_next(os, |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1111 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
|
1112 NULL, &zc->zc_cookie); |
| 789 | 1113 if (error == ENOENT) |
| 1114 error = ESRCH; | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1115 } while (error == 0 && !INGLOBALZONE(curproc) && |
| 789 | 1116 !zone_dataset_visible(zc->zc_name, NULL)); |
| 1117 | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1118 /* |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1119 * If it's a hidden dataset (ie. with a '$' in its name), don't |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1120 * try to get stats for it. Userland will skip over it. |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1121 */ |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1122 if (error == 0 && strchr(zc->zc_name, '$') == NULL) |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1123 error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
| 789 | 1124 |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1125 dmu_objset_close(os); |
| 789 | 1126 return (error); |
| 1127 } | |
| 1128 | |
| 1129 static int | |
| 1130 zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) | |
| 1131 { | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1132 objset_t *os; |
| 789 | 1133 int error; |
| 1134 | |
| 1135 retry: | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1136 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
|
1137 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
|
1138 if (error != 0) { |
| 789 | 1139 /* |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1140 * This is ugly: dmu_objset_open() can return EBUSY if |
| 789 | 1141 * the objset is held exclusively. Fortunately this hold is |
| 1142 * only for a short while, so we retry here. | |
| 1143 * 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
|
1144 * for example for a "zfs list". |
| 789 | 1145 */ |
| 1146 if (error == EBUSY) { | |
| 1147 delay(1); | |
| 1148 goto retry; | |
| 1149 } | |
| 1150 if (error == ENOENT) | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1151 error = ESRCH; |
| 789 | 1152 return (error); |
| 1153 } | |
| 1154 | |
| 1003 | 1155 /* |
| 1156 * A dataset name of maximum length cannot have any snapshots, | |
| 1157 * so exit immediately. | |
| 1158 */ | |
| 1159 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
|
1160 dmu_objset_close(os); |
| 1003 | 1161 return (ESRCH); |
| 789 | 1162 } |
| 1163 | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1164 error = dmu_snapshot_list_next(os, |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1165 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
|
1166 zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie); |
| 789 | 1167 if (error == ENOENT) |
| 1168 error = ESRCH; | |
| 1169 | |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1170 if (error == 0) |
|
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1171 error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
| 789 | 1172 |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1173 dmu_objset_close(os); |
| 789 | 1174 return (error); |
| 1175 } | |
| 1176 | |
| 1177 static int | |
| 4787 | 1178 zfs_set_prop_nvlist(const char *name, nvlist_t *nvl) |
| 789 | 1179 { |
| 2676 | 1180 nvpair_t *elem; |
| 1181 int error; | |
| 1182 uint64_t intval; | |
| 1183 char *strval; | |
| 1184 | |
| 4543 | 1185 /* |
| 1186 * First validate permission to set all of the properties | |
| 1187 */ | |
| 2676 | 1188 elem = NULL; |
| 1189 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1190 const char *propname = nvpair_name(elem); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1191 zfs_prop_t prop = zfs_name_to_prop(propname); |
| 2676 | 1192 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1193 if (prop == ZFS_PROP_INVAL) { |
| 2676 | 1194 /* |
| 1195 * If this is a user-defined property, it must be a | |
| 1196 * string, and there is no further validation to do. | |
| 1197 */ | |
| 1198 if (!zfs_prop_user(propname) || | |
| 1199 nvpair_type(elem) != DATA_TYPE_STRING) | |
| 1200 return (EINVAL); | |
| 1201 | |
| 4543 | 1202 error = zfs_secpolicy_write_perms(name, |
| 4787 | 1203 ZFS_DELEG_PERM_USERPROP, CRED()); |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1204 if (error) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1205 return (error); |
| 4543 | 1206 continue; |
| 2676 | 1207 } |
| 1208 | |
| 4787 | 1209 if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1210 return (error); |
| 2676 | 1211 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1212 /* |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1213 * 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
|
1214 */ |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1215 switch (prop) { |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1216 case ZFS_PROP_COMPRESSION: |
|
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 * 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
|
1219 * 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
|
1220 * we'll catch them later. |
|
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 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
|
1223 nvpair_value_uint64(elem, &intval) == 0 && |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1224 intval >= ZIO_COMPRESS_GZIP_1 && |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1225 intval <= ZIO_COMPRESS_GZIP_9) { |
| 4543 | 1226 spa_t *spa; |
| 1227 | |
|
4603
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) { |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1229 if (spa_version(spa) < |
| 4577 | 1230 SPA_VERSION_GZIP_COMPRESSION) { |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1231 spa_close(spa, FTAG); |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1232 return (ENOTSUP); |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1233 } |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1234 |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1235 spa_close(spa, FTAG); |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1236 } |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1237 } |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1238 break; |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1239 |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1240 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
|
1241 { |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1242 spa_t *spa; |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1243 |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1244 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
|
1245 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
|
1246 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
|
1247 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
|
1248 return (ENOTSUP); |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1249 } |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1250 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
|
1251 } |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1252 break; |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1253 } |
| 2676 | 1254 } |
| 4543 | 1255 } |
| 1256 | |
| 1257 elem = NULL; | |
| 1258 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1259 const char *propname = nvpair_name(elem); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1260 zfs_prop_t prop = zfs_name_to_prop(propname); |
| 4543 | 1261 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1262 if (prop == ZFS_PROP_INVAL) { |
| 4543 | 1263 VERIFY(nvpair_value_string(elem, &strval) == 0); |
| 1264 error = dsl_prop_set(name, propname, 1, | |
| 1265 strlen(strval) + 1, strval); | |
| 1266 if (error == 0) | |
| 1267 continue; | |
| 1268 else | |
| 1269 return (error); | |
| 1270 } | |
| 2676 | 1271 |
| 1272 switch (prop) { | |
| 1273 case ZFS_PROP_QUOTA: | |
| 1274 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4577 | 1275 (error = dsl_dir_set_quota(name, intval)) != 0) |
| 2676 | 1276 return (error); |
| 1277 break; | |
| 1278 | |
| 1279 case ZFS_PROP_RESERVATION: | |
| 1280 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 1281 (error = dsl_dir_set_reservation(name, | |
| 1282 intval)) != 0) | |
| 1283 return (error); | |
| 1284 break; | |
| 789 | 1285 |
| 2676 | 1286 case ZFS_PROP_VOLSIZE: |
| 1287 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4787 | 1288 (error = zvol_set_volsize(name, |
| 1289 ddi_driver_major(zfs_dip), intval)) != 0) | |
| 2676 | 1290 return (error); |
| 1291 break; | |
| 1292 | |
| 1293 case ZFS_PROP_VOLBLOCKSIZE: | |
| 1294 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4577 | 1295 (error = zvol_set_volblocksize(name, intval)) != 0) |
| 1296 return (error); | |
| 1297 break; | |
| 1298 | |
| 1299 case ZFS_PROP_VERSION: | |
| 1300 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 1301 (error = zfs_set_version(name, intval)) != 0) | |
| 2676 | 1302 return (error); |
| 1303 break; | |
| 1304 | |
| 1305 default: | |
| 1306 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 1307 if (zfs_prop_get_type(prop) != | |
| 4787 | 1308 PROP_TYPE_STRING) |
| 2676 | 1309 return (EINVAL); |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1310 VERIFY(nvpair_value_string(elem, &strval) == 0); |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1311 if ((error = dsl_prop_set(name, |
| 2676 | 1312 nvpair_name(elem), 1, strlen(strval) + 1, |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1313 strval)) != 0) |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1314 return (error); |
| 2676 | 1315 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { |
| 2885 | 1316 const char *unused; |
| 1317 | |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1318 VERIFY(nvpair_value_uint64(elem, &intval) == 0); |
| 2676 | 1319 |
| 1320 switch (zfs_prop_get_type(prop)) { | |
| 4787 | 1321 case PROP_TYPE_NUMBER: |
| 2676 | 1322 break; |
| 4787 | 1323 case PROP_TYPE_BOOLEAN: |
| 2676 | 1324 if (intval > 1) |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1325 return (EINVAL); |
| 2676 | 1326 break; |
| 4787 | 1327 case PROP_TYPE_STRING: |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1328 return (EINVAL); |
| 4787 | 1329 case PROP_TYPE_INDEX: |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1330 if (zfs_prop_index_to_string(prop, |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1331 intval, &unused) != 0) |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1332 return (EINVAL); |
| 2676 | 1333 break; |
| 1334 default: | |
| 4577 | 1335 cmn_err(CE_PANIC, |
| 1336 "unknown property type"); | |
| 2676 | 1337 break; |
| 1338 } | |
| 1339 | |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1340 if ((error = dsl_prop_set(name, propname, |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1341 8, 1, &intval)) != 0) |
|
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1342 return (error); |
| 2676 | 1343 } else { |
| 1344 return (EINVAL); | |
| 1345 } | |
| 1346 break; | |
| 1347 } | |
| 1348 } | |
| 1349 | |
| 1350 return (0); | |
| 789 | 1351 } |
| 1352 | |
| 1353 static int | |
| 2676 | 1354 zfs_ioc_set_prop(zfs_cmd_t *zc) |
| 789 | 1355 { |
| 2676 | 1356 nvlist_t *nvl; |
| 1357 int error; | |
| 789 | 1358 |
| 2676 | 1359 /* |
| 1360 * If zc_value is set, then this is an attempt to inherit a value. | |
| 1361 * Otherwise, zc_nvlist refers to a list of properties to set. | |
| 1362 */ | |
| 1363 if (zc->zc_value[0] != '\0') { | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1364 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
|
1365 |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1366 if (prop == ZFS_PROP_INVAL) { |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1367 if (!zfs_prop_user(zc->zc_value)) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1368 return (EINVAL); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1369 error = zfs_secpolicy_write_perms(zc->zc_name, |
| 4787 | 1370 ZFS_DELEG_PERM_USERPROP, CRED()); |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1371 } else { |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1372 if (!zfs_prop_inheritable(prop)) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1373 return (EINVAL); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1374 error = zfs_secpolicy_setprop(zc->zc_name, |
| 4787 | 1375 prop, CRED()); |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1376 } |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1377 if (error) |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1378 return (error); |
| 2676 | 1379 |
| 1380 return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); | |
| 1381 } | |
| 1382 | |
| 1383 if ((error = get_nvlist(zc, &nvl)) != 0) | |
| 1384 return (error); | |
| 1385 | |
| 4787 | 1386 error = zfs_set_prop_nvlist(zc->zc_name, nvl); |
| 4543 | 1387 |
| 2676 | 1388 nvlist_free(nvl); |
| 1389 return (error); | |
| 789 | 1390 } |
| 1391 | |
| 1392 static int | |
|
4098
0a182c2128e6
6545726 make ZFS_IOC_POOL_*_PROPS in sync with zfs_ioc_pool_props_*
lling
parents:
4007
diff
changeset
|
1393 zfs_ioc_pool_set_props(zfs_cmd_t *zc) |
| 3912 | 1394 { |
| 1395 nvlist_t *nvl; | |
| 1396 int error, reset_bootfs = 0; | |
| 1397 uint64_t objnum; | |
| 4543 | 1398 uint64_t intval; |
| 3912 | 1399 zpool_prop_t prop; |
| 1400 nvpair_t *elem; | |
| 1401 char *propname, *strval; | |
| 1402 spa_t *spa; | |
| 1403 vdev_t *rvdev; | |
| 1404 char *vdev_type; | |
| 1405 objset_t *os; | |
| 1406 | |
| 1407 if ((error = get_nvlist(zc, &nvl)) != 0) | |
| 1408 return (error); | |
| 1409 | |
| 1410 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { | |
| 1411 nvlist_free(nvl); | |
| 1412 return (error); | |
| 1413 } | |
| 1414 | |
| 4577 | 1415 if (spa_version(spa) < SPA_VERSION_BOOTFS) { |
| 3912 | 1416 nvlist_free(nvl); |
| 1417 spa_close(spa, FTAG); | |
| 1418 return (ENOTSUP); | |
| 1419 } | |
| 1420 | |
| 1421 elem = NULL; | |
| 1422 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
| 1423 | |
| 1424 propname = nvpair_name(elem); | |
| 1425 | |
| 1426 if ((prop = zpool_name_to_prop(propname)) == | |
| 1427 ZFS_PROP_INVAL) { | |
| 1428 nvlist_free(nvl); | |
| 1429 spa_close(spa, FTAG); | |
| 1430 return (EINVAL); | |
| 1431 } | |
| 1432 | |
| 1433 switch (prop) { | |
| 4543 | 1434 case ZPOOL_PROP_DELEGATION: |
| 1435 VERIFY(nvpair_value_uint64(elem, &intval) == 0); | |
| 1436 if (intval > 1) | |
| 1437 error = EINVAL; | |
| 1438 break; | |
| 4451 | 1439 case ZPOOL_PROP_BOOTFS: |
| 3912 | 1440 /* |
| 1441 * A bootable filesystem can not be on a RAIDZ pool | |
| 1442 * nor a striped pool with more than 1 device. | |
| 1443 */ | |
| 1444 rvdev = spa->spa_root_vdev; | |
| 1445 vdev_type = | |
| 1446 rvdev->vdev_child[0]->vdev_ops->vdev_op_type; | |
| 1447 if (strcmp(vdev_type, VDEV_TYPE_RAIDZ) == 0 || | |
| 1448 (strcmp(vdev_type, VDEV_TYPE_MIRROR) != 0 && | |
| 1449 rvdev->vdev_children > 1)) { | |
| 1450 error = ENOTSUP; | |
| 1451 break; | |
| 1452 } | |
| 1453 | |
| 1454 reset_bootfs = 1; | |
| 1455 | |
| 1456 VERIFY(nvpair_value_string(elem, &strval) == 0); | |
| 1457 if (strval == NULL || strval[0] == '\0') { | |
| 4451 | 1458 objnum = zpool_prop_default_numeric( |
| 1459 ZPOOL_PROP_BOOTFS); | |
| 3912 | 1460 break; |
| 1461 } | |
| 1462 | |
| 1463 if (error = dmu_objset_open(strval, DMU_OST_ZFS, | |
| 1464 DS_MODE_STANDARD | DS_MODE_READONLY, &os)) | |
| 1465 break; | |
| 1466 objnum = dmu_objset_id(os); | |
| 1467 dmu_objset_close(os); | |
| 1468 break; | |
| 1469 } | |
| 1470 | |
| 1471 if (error) | |
| 1472 break; | |
| 1473 } | |
| 1474 if (error == 0) { | |
| 1475 if (reset_bootfs) { | |
| 1476 VERIFY(nvlist_remove(nvl, | |
| 4451 | 1477 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1478 DATA_TYPE_STRING) == 0); |
| 1479 VERIFY(nvlist_add_uint64(nvl, | |
| 4451 | 1480 zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 1481 objnum) == 0); | |
| 3912 | 1482 } |
| 1483 error = spa_set_props(spa, nvl); | |
| 1484 } | |
| 1485 | |
| 1486 nvlist_free(nvl); | |
| 1487 spa_close(spa, FTAG); | |
| 1488 | |
| 1489 return (error); | |
| 1490 } | |
| 1491 | |
| 1492 static int | |
|
4098
0a182c2128e6
6545726 make ZFS_IOC_POOL_*_PROPS in sync with zfs_ioc_pool_props_*
lling
parents:
4007
diff
changeset
|
1493 zfs_ioc_pool_get_props(zfs_cmd_t *zc) |
| 3912 | 1494 { |
| 1495 spa_t *spa; | |
| 1496 int error; | |
| 1497 nvlist_t *nvp = NULL; | |
| 1498 | |
| 1499 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 1500 return (error); | |
| 1501 | |
| 1502 error = spa_get_props(spa, &nvp); | |
| 1503 | |
| 1504 if (error == 0 && zc->zc_nvlist_dst != NULL) | |
| 1505 error = put_nvlist(zc, nvp); | |
| 1506 else | |
| 1507 error = EFAULT; | |
| 1508 | |
| 1509 spa_close(spa, FTAG); | |
| 1510 | |
| 1511 if (nvp) | |
| 1512 nvlist_free(nvp); | |
| 1513 return (error); | |
| 1514 } | |
| 1515 | |
| 1516 static int | |
| 4543 | 1517 zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) |
| 1518 { | |
| 1519 nvlist_t *nvp; | |
| 1520 int error; | |
| 1521 uint32_t uid; | |
| 1522 uint32_t gid; | |
| 1523 uint32_t *groups; | |
| 1524 uint_t group_cnt; | |
| 1525 cred_t *usercred; | |
| 1526 | |
| 1527 if ((error = get_nvlist(zc, &nvp)) != 0) { | |
| 1528 return (error); | |
| 1529 } | |
| 1530 | |
| 1531 if ((error = nvlist_lookup_uint32(nvp, | |
| 1532 ZFS_DELEG_PERM_UID, &uid)) != 0) { | |
| 1533 nvlist_free(nvp); | |
| 1534 return (EPERM); | |
| 1535 } | |
| 1536 | |
| 1537 if ((error = nvlist_lookup_uint32(nvp, | |
| 1538 ZFS_DELEG_PERM_GID, &gid)) != 0) { | |
| 1539 nvlist_free(nvp); | |
| 1540 return (EPERM); | |
| 1541 } | |
| 1542 | |
| 1543 if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, | |
| 1544 &groups, &group_cnt)) != 0) { | |
| 1545 nvlist_free(nvp); | |
| 1546 return (EPERM); | |
| 1547 } | |
| 1548 usercred = cralloc(); | |
| 1549 if ((crsetugid(usercred, uid, gid) != 0) || | |
| 1550 (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { | |
| 1551 nvlist_free(nvp); | |
| 1552 crfree(usercred); | |
| 1553 return (EPERM); | |
| 1554 } | |
| 1555 nvlist_free(nvp); | |
| 1556 error = dsl_deleg_access(zc->zc_name, | |
| 4787 | 1557 zfs_prop_to_name(ZFS_PROP_SHAREISCSI), usercred); |
| 4543 | 1558 crfree(usercred); |
| 1559 return (error); | |
| 1560 } | |
| 1561 | |
| 1562 static int | |
| 1563 zfs_ioc_set_fsacl(zfs_cmd_t *zc) | |
| 1564 { | |
| 1565 int error; | |
| 1566 nvlist_t *fsaclnv = NULL; | |
| 1567 | |
| 1568 if ((error = get_nvlist(zc, &fsaclnv)) != 0) | |
| 1569 return (error); | |
| 1570 | |
| 1571 /* | |
| 1572 * Verify nvlist is constructed correctly | |
| 1573 */ | |
| 1574 if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { | |
| 1575 nvlist_free(fsaclnv); | |
| 1576 return (EINVAL); | |
| 1577 } | |
| 1578 | |
| 1579 /* | |
| 1580 * If we don't have PRIV_SYS_MOUNT, then validate | |
| 1581 * that user is allowed to hand out each permission in | |
| 1582 * the nvlist(s) | |
| 1583 */ | |
| 1584 | |
| 4787 | 1585 error = secpolicy_zfs(CRED()); |
| 4543 | 1586 if (error) { |
| 4787 | 1587 if (zc->zc_perm_action == B_FALSE) { |
| 1588 error = dsl_deleg_can_allow(zc->zc_name, | |
| 1589 fsaclnv, CRED()); | |
| 1590 } else { | |
| 1591 error = dsl_deleg_can_unallow(zc->zc_name, | |
| 1592 fsaclnv, CRED()); | |
| 1593 } | |
| 4543 | 1594 } |
| 1595 | |
| 1596 if (error == 0) | |
| 1597 error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); | |
| 1598 | |
| 1599 nvlist_free(fsaclnv); | |
| 1600 return (error); | |
| 1601 } | |
| 1602 | |
| 1603 static int | |
| 1604 zfs_ioc_get_fsacl(zfs_cmd_t *zc) | |
| 1605 { | |
| 1606 nvlist_t *nvp; | |
| 1607 int error; | |
| 1608 | |
| 1609 if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { | |
| 1610 error = put_nvlist(zc, nvp); | |
| 1611 nvlist_free(nvp); | |
| 1612 } | |
| 1613 | |
| 1614 return (error); | |
| 1615 } | |
| 1616 | |
| 1617 static int | |
| 789 | 1618 zfs_ioc_create_minor(zfs_cmd_t *zc) |
| 1619 { | |
| 4787 | 1620 return (zvol_create_minor(zc->zc_name, ddi_driver_major(zfs_dip))); |
| 789 | 1621 } |
| 1622 | |
| 1623 static int | |
| 1624 zfs_ioc_remove_minor(zfs_cmd_t *zc) | |
| 1625 { | |
| 2676 | 1626 return (zvol_remove_minor(zc->zc_name)); |
| 789 | 1627 } |
| 1628 | |
| 1629 /* | |
| 1630 * Search the vfs list for a specified resource. Returns a pointer to it | |
| 1631 * or NULL if no suitable entry is found. The caller of this routine | |
| 1632 * is responsible for releasing the returned vfs pointer. | |
| 1633 */ | |
| 1634 static vfs_t * | |
| 1635 zfs_get_vfs(const char *resource) | |
| 1636 { | |
| 1637 struct vfs *vfsp; | |
| 1638 struct vfs *vfs_found = NULL; | |
| 1639 | |
| 1640 vfs_list_read_lock(); | |
| 1641 vfsp = rootvfs; | |
| 1642 do { | |
| 1643 if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { | |
| 1644 VFS_HOLD(vfsp); | |
| 1645 vfs_found = vfsp; | |
| 1646 break; | |
| 1647 } | |
| 1648 vfsp = vfsp->vfs_next; | |
| 1649 } while (vfsp != rootvfs); | |
| 1650 vfs_list_unlock(); | |
| 1651 return (vfs_found); | |
| 1652 } | |
| 1653 | |
| 4543 | 1654 /* ARGSUSED */ |
| 789 | 1655 static void |
| 4543 | 1656 zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) |
| 789 | 1657 { |
| 4577 | 1658 nvlist_t *nvprops = arg; |
| 1659 uint64_t version = ZPL_VERSION; | |
| 1660 | |
| 1661 (void) nvlist_lookup_uint64(nvprops, | |
| 1662 zfs_prop_to_name(ZFS_PROP_VERSION), &version); | |
| 1663 | |
| 1664 zfs_create_fs(os, cr, version, tx); | |
| 789 | 1665 } |
| 1666 | |
| 1667 static int | |
| 1668 zfs_ioc_create(zfs_cmd_t *zc) | |
| 1669 { | |
| 1670 objset_t *clone; | |
| 1671 int error = 0; | |
| 4543 | 1672 nvlist_t *nvprops = NULL; |
| 1673 void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); | |
| 789 | 1674 dmu_objset_type_t type = zc->zc_objset_type; |
| 1675 | |
| 1676 switch (type) { | |
| 1677 | |
| 1678 case DMU_OST_ZFS: | |
| 1679 cbfunc = zfs_create_cb; | |
| 1680 break; | |
| 1681 | |
| 1682 case DMU_OST_ZVOL: | |
| 1683 cbfunc = zvol_create_cb; | |
| 1684 break; | |
| 1685 | |
| 1686 default: | |
| 2199 | 1687 cbfunc = NULL; |
| 1688 } | |
| 1689 if (strchr(zc->zc_name, '@')) | |
| 789 | 1690 return (EINVAL); |
| 1691 | |
| 2676 | 1692 if (zc->zc_nvlist_src != NULL && |
| 4543 | 1693 (error = get_nvlist(zc, &nvprops)) != 0) |
| 2676 | 1694 return (error); |
| 1695 | |
| 1696 if (zc->zc_value[0] != '\0') { | |
| 789 | 1697 /* |
| 1698 * We're creating a clone of an existing snapshot. | |
| 1699 */ | |
| 2676 | 1700 zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; |
| 1701 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { | |
| 4543 | 1702 nvlist_free(nvprops); |
| 789 | 1703 return (EINVAL); |
| 2676 | 1704 } |
| 789 | 1705 |
| 2676 | 1706 error = dmu_objset_open(zc->zc_value, type, |
| 789 | 1707 DS_MODE_STANDARD | DS_MODE_READONLY, &clone); |
| 2676 | 1708 if (error) { |
| 4543 | 1709 nvlist_free(nvprops); |
| 789 | 1710 return (error); |
| 2676 | 1711 } |
| 789 | 1712 error = dmu_objset_create(zc->zc_name, type, clone, NULL, NULL); |
| 1713 dmu_objset_close(clone); | |
| 1714 } else { | |
| 2676 | 1715 if (cbfunc == NULL) { |
| 4543 | 1716 nvlist_free(nvprops); |
| 2199 | 1717 return (EINVAL); |
| 2676 | 1718 } |
| 1719 | |
| 789 | 1720 if (type == DMU_OST_ZVOL) { |
| 2676 | 1721 uint64_t volsize, volblocksize; |
| 1722 | |
| 4543 | 1723 if (nvprops == NULL || |
| 1724 nvlist_lookup_uint64(nvprops, | |
| 2676 | 1725 zfs_prop_to_name(ZFS_PROP_VOLSIZE), |
| 1726 &volsize) != 0) { | |
| 4543 | 1727 nvlist_free(nvprops); |
| 2676 | 1728 return (EINVAL); |
| 1729 } | |
| 1730 | |
| 4543 | 1731 if ((error = nvlist_lookup_uint64(nvprops, |
| 2676 | 1732 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), |
| 1733 &volblocksize)) != 0 && error != ENOENT) { | |
| 4543 | 1734 nvlist_free(nvprops); |
| 2676 | 1735 return (EINVAL); |
| 1736 } | |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
1737 |
| 2676 | 1738 if (error != 0) |
| 1739 volblocksize = zfs_prop_default_numeric( | |
| 1740 ZFS_PROP_VOLBLOCKSIZE); | |
| 1741 | |
| 1742 if ((error = zvol_check_volblocksize( | |
| 1743 volblocksize)) != 0 || | |
| 1744 (error = zvol_check_volsize(volsize, | |
| 1745 volblocksize)) != 0) { | |
| 4543 | 1746 nvlist_free(nvprops); |
| 789 | 1747 return (error); |
| 2676 | 1748 } |
| 4577 | 1749 } else if (type == DMU_OST_ZFS) { |
| 1750 uint64_t version; | |
| 1751 | |
| 1752 if (0 == nvlist_lookup_uint64(nvprops, | |
| 1753 zfs_prop_to_name(ZFS_PROP_VERSION), &version) && | |
| 1754 (version < ZPL_VERSION_INITIAL || | |
| 1755 version > ZPL_VERSION)) { | |
| 1756 nvlist_free(nvprops); | |
| 1757 return (EINVAL); | |
| 1758 } | |
| 2676 | 1759 } |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
1760 |
| 2676 | 1761 error = dmu_objset_create(zc->zc_name, type, NULL, cbfunc, |
| 4543 | 1762 nvprops); |
| 789 | 1763 } |
| 2676 | 1764 |
| 1765 /* | |
| 1766 * It would be nice to do this atomically. | |
| 1767 */ | |
| 1768 if (error == 0) { | |
| 4787 | 1769 if ((error = zfs_set_prop_nvlist(zc->zc_name, nvprops)) != 0) |
| 2676 | 1770 (void) dmu_objset_destroy(zc->zc_name); |
| 1771 } | |
| 1772 | |
| 4543 | 1773 nvlist_free(nvprops); |
| 789 | 1774 return (error); |
| 1775 } | |
| 1776 | |
| 1777 static int | |
| 2199 | 1778 zfs_ioc_snapshot(zfs_cmd_t *zc) |
| 1779 { | |
| 2676 | 1780 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
| 2199 | 1781 return (EINVAL); |
| 1782 return (dmu_objset_snapshot(zc->zc_name, | |
| 2676 | 1783 zc->zc_value, zc->zc_cookie)); |
| 2199 | 1784 } |
| 1785 | |
| 4007 | 1786 int |
| 2199 | 1787 zfs_unmount_snap(char *name, void *arg) |
| 789 | 1788 { |
| 2199 | 1789 char *snapname = arg; |
| 1790 char *cp; | |
| 2417 | 1791 vfs_t *vfsp = NULL; |
| 2199 | 1792 |
| 1793 /* | |
| 1794 * Snapshots (which are under .zfs control) must be unmounted | |
| 1795 * before they can be destroyed. | |
| 1796 */ | |
| 1797 | |
| 1798 if (snapname) { | |
| 1799 (void) strcat(name, "@"); | |
| 1800 (void) strcat(name, snapname); | |
| 1801 vfsp = zfs_get_vfs(name); | |
| 1802 cp = strchr(name, '@'); | |
| 1803 *cp = '\0'; | |
| 2417 | 1804 } else if (strchr(name, '@')) { |
| 2199 | 1805 vfsp = zfs_get_vfs(name); |
| 1806 } | |
| 1807 | |
| 1808 if (vfsp) { | |
| 1809 /* | |
| 1810 * Always force the unmount for snapshots. | |
| 1811 */ | |
| 1812 int flag = MS_FORCE; | |
| 789 | 1813 int err; |
| 1814 | |
| 2199 | 1815 if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { |
| 1816 VFS_RELE(vfsp); | |
| 1817 return (err); | |
| 1818 } | |
| 1819 VFS_RELE(vfsp); | |
| 1820 if ((err = dounmount(vfsp, flag, kcred)) != 0) | |
| 1821 return (err); | |
| 1822 } | |
| 1823 return (0); | |
| 1824 } | |
| 1825 | |
| 1826 static int | |
| 1827 zfs_ioc_destroy_snaps(zfs_cmd_t *zc) | |
| 1828 { | |
| 1829 int err; | |
| 789 | 1830 |
| 2676 | 1831 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
| 2199 | 1832 return (EINVAL); |
| 1833 err = dmu_objset_find(zc->zc_name, | |
| 2676 | 1834 zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); |
| 2199 | 1835 if (err) |
| 1836 return (err); | |
| 2676 | 1837 return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value)); |
| 2199 | 1838 } |
| 1839 | |
| 1840 static int | |
| 1841 zfs_ioc_destroy(zfs_cmd_t *zc) | |
| 1842 { | |
| 1843 if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { | |
| 1844 int err = zfs_unmount_snap(zc->zc_name, NULL); | |
| 1845 if (err) | |
| 1846 return (err); | |
| 789 | 1847 } |
| 1848 | |
| 1849 return (dmu_objset_destroy(zc->zc_name)); | |
| 1850 } | |
| 1851 | |
| 1852 static int | |
| 1853 zfs_ioc_rollback(zfs_cmd_t *zc) | |
| 1854 { | |
| 1855 return (dmu_objset_rollback(zc->zc_name)); | |
| 1856 } | |
| 1857 | |
| 1858 static int | |
| 1859 zfs_ioc_rename(zfs_cmd_t *zc) | |
| 1860 { | |
| 4490 | 1861 boolean_t recursive = zc->zc_cookie & 1; |
| 4007 | 1862 |
| 2676 | 1863 zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; |
| 1864 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) | |
| 789 | 1865 return (EINVAL); |
| 1866 | |
| 4007 | 1867 /* |
| 1868 * Unmount snapshot unless we're doing a recursive rename, | |
| 1869 * in which case the dataset code figures out which snapshots | |
| 1870 * to unmount. | |
| 1871 */ | |
| 1872 if (!recursive && strchr(zc->zc_name, '@') != NULL && | |
| 789 | 1873 zc->zc_objset_type == DMU_OST_ZFS) { |
| 2199 | 1874 int err = zfs_unmount_snap(zc->zc_name, NULL); |
| 1875 if (err) | |
| 1876 return (err); | |
| 789 | 1877 } |
| 1878 | |
| 4007 | 1879 return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); |
| 789 | 1880 } |
| 1881 | |
| 1882 static int | |
| 1883 zfs_ioc_recvbackup(zfs_cmd_t *zc) | |
| 1884 { | |
| 1885 file_t *fp; | |
| 1886 int error, fd; | |
| 2885 | 1887 offset_t new_off; |
| 789 | 1888 |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1889 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
|
1890 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
|
1891 return (EINVAL); |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1892 |
| 789 | 1893 fd = zc->zc_cookie; |
| 1894 fp = getf(fd); | |
| 1895 if (fp == NULL) | |
| 1896 return (EBADF); | |
| 2676 | 1897 error = dmu_recvbackup(zc->zc_value, &zc->zc_begin_record, |
| 1898 &zc->zc_cookie, (boolean_t)zc->zc_guid, fp->f_vnode, | |
| 2665 | 1899 fp->f_offset); |
| 2885 | 1900 |
| 1901 new_off = fp->f_offset + zc->zc_cookie; | |
| 1902 if (VOP_SEEK(fp->f_vnode, fp->f_offset, &new_off) == 0) | |
| 1903 fp->f_offset = new_off; | |
| 1904 | |
| 789 | 1905 releasef(fd); |
| 1906 return (error); | |
| 1907 } | |
| 1908 | |
| 1909 static int | |
| 1910 zfs_ioc_sendbackup(zfs_cmd_t *zc) | |
| 1911 { | |
| 1912 objset_t *fromsnap = NULL; | |
| 1913 objset_t *tosnap; | |
| 1914 file_t *fp; | |
| 1915 int error; | |
| 1916 | |
| 1917 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
| 1918 DS_MODE_STANDARD | DS_MODE_READONLY, &tosnap); | |
| 1919 if (error) | |
| 1920 return (error); | |
| 1921 | |
| 2676 | 1922 if (zc->zc_value[0] != '\0') { |
| 2885 | 1923 char buf[MAXPATHLEN]; |
| 1924 char *cp; | |
| 1925 | |
| 1926 (void) strncpy(buf, zc->zc_name, sizeof (buf)); | |
| 1927 cp = strchr(buf, '@'); | |
| 1928 if (cp) | |
| 1929 *(cp+1) = 0; | |
| 1930 (void) strncat(buf, zc->zc_value, sizeof (buf)); | |
| 1931 error = dmu_objset_open(buf, DMU_OST_ANY, | |
| 789 | 1932 DS_MODE_STANDARD | DS_MODE_READONLY, &fromsnap); |
| 1933 if (error) { | |
| 1934 dmu_objset_close(tosnap); | |
| 1935 return (error); | |
| 1936 } | |
| 1937 } | |
| 1938 | |
| 1939 fp = getf(zc->zc_cookie); | |
| 1940 if (fp == NULL) { | |
| 1941 dmu_objset_close(tosnap); | |
| 1942 if (fromsnap) | |
| 1943 dmu_objset_close(fromsnap); | |
| 1944 return (EBADF); | |
| 1945 } | |
| 1946 | |
| 1947 error = dmu_sendbackup(tosnap, fromsnap, fp->f_vnode); | |
| 1948 | |
| 1949 releasef(zc->zc_cookie); | |
| 1950 if (fromsnap) | |
| 1951 dmu_objset_close(fromsnap); | |
| 1952 dmu_objset_close(tosnap); | |
| 1953 return (error); | |
| 1954 } | |
| 1955 | |
| 1544 | 1956 static int |
| 1957 zfs_ioc_inject_fault(zfs_cmd_t *zc) | |
| 1958 { | |
| 1959 int id, error; | |
| 1960 | |
| 1961 error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, | |
| 1962 &zc->zc_inject_record); | |
| 1963 | |
| 1964 if (error == 0) | |
| 1965 zc->zc_guid = (uint64_t)id; | |
| 1966 | |
| 1967 return (error); | |
| 1968 } | |
| 1969 | |
| 1970 static int | |
| 1971 zfs_ioc_clear_fault(zfs_cmd_t *zc) | |
| 1972 { | |
| 1973 return (zio_clear_fault((int)zc->zc_guid)); | |
| 1974 } | |
| 1975 | |
| 1976 static int | |
| 1977 zfs_ioc_inject_list_next(zfs_cmd_t *zc) | |
| 1978 { | |
| 1979 int id = (int)zc->zc_guid; | |
| 1980 int error; | |
| 1981 | |
| 1982 error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), | |
| 1983 &zc->zc_inject_record); | |
| 1984 | |
| 1985 zc->zc_guid = id; | |
| 1986 | |
| 1987 return (error); | |
| 1988 } | |
| 1989 | |
| 1990 static int | |
| 1991 zfs_ioc_error_log(zfs_cmd_t *zc) | |
| 1992 { | |
| 1993 spa_t *spa; | |
| 1994 int error; | |
| 2676 | 1995 size_t count = (size_t)zc->zc_nvlist_dst_size; |
| 1544 | 1996 |
| 1997 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 1998 return (error); | |
| 1999 | |
| 2676 | 2000 error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, |
| 1544 | 2001 &count); |
| 2002 if (error == 0) | |
| 2676 | 2003 zc->zc_nvlist_dst_size = count; |
| 1544 | 2004 else |
| 2676 | 2005 zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); |
| 1544 | 2006 |
| 2007 spa_close(spa, FTAG); | |
| 2008 | |
| 2009 return (error); | |
| 2010 } | |
| 2011 | |
| 2012 static int | |
| 2013 zfs_ioc_clear(zfs_cmd_t *zc) | |
| 2014 { | |
| 2015 spa_t *spa; | |
| 2016 vdev_t *vd; | |
| 4808 | 2017 uint64_t txg; |
| 1544 | 2018 int error; |
| 2019 | |
| 2020 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 2021 return (error); | |
| 2022 | |
| 4451 | 2023 txg = spa_vdev_enter(spa); |
| 1544 | 2024 |
| 2676 | 2025 if (zc->zc_guid == 0) { |
| 1544 | 2026 vd = NULL; |
| 2676 | 2027 } else if ((vd = spa_lookup_by_guid(spa, zc->zc_guid)) == NULL) { |
| 4451 | 2028 (void) spa_vdev_exit(spa, NULL, txg, ENODEV); |
| 1544 | 2029 spa_close(spa, FTAG); |
| 2030 return (ENODEV); | |
| 2031 } | |
| 2032 | |
| 2033 vdev_clear(spa, vd); | |
| 2034 | |
| 4451 | 2035 (void) spa_vdev_exit(spa, NULL, txg, 0); |
| 1544 | 2036 |
| 2037 spa_close(spa, FTAG); | |
| 2038 | |
| 2039 return (0); | |
| 2040 } | |
| 2041 | |
| 2042 static int | |
| 2082 | 2043 zfs_ioc_promote(zfs_cmd_t *zc) |
| 2044 { | |
| 2417 | 2045 char *cp; |
| 2046 | |
| 2047 /* | |
| 2048 * We don't need to unmount *all* the origin fs's snapshots, but | |
| 2049 * it's easier. | |
| 2050 */ | |
| 2676 | 2051 cp = strchr(zc->zc_value, '@'); |
| 2417 | 2052 if (cp) |
| 2053 *cp = '\0'; | |
| 2676 | 2054 (void) dmu_objset_find(zc->zc_value, |
| 2417 | 2055 zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); |
| 2082 | 2056 return (dsl_dataset_promote(zc->zc_name)); |
| 2057 } | |
| 2058 | |
| 4543 | 2059 /* |
| 2060 * We don't want to have a hard dependency | |
| 2061 * against some special symbols in sharefs | |
| 2062 * and nfs. Determine them if needed when | |
| 2063 * the first file system is shared. | |
| 2064 * Neither sharefs or nfs are unloadable modules. | |
| 2065 */ | |
| 2066 int (*zexport_fs)(void *arg); | |
| 2067 int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); | |
| 2068 | |
| 2069 int zfs_share_inited; | |
| 2070 ddi_modhandle_t nfs_mod; | |
| 2071 ddi_modhandle_t sharefs_mod; | |
| 2072 kmutex_t zfs_share_lock; | |
| 2073 | |
| 2074 static int | |
| 2075 zfs_ioc_share(zfs_cmd_t *zc) | |
| 2076 { | |
| 2077 int error; | |
| 2078 int opcode; | |
| 2079 | |
| 2080 if (zfs_share_inited == 0) { | |
| 2081 mutex_enter(&zfs_share_lock); | |
| 2082 nfs_mod = ddi_modopen("fs/nfs", KRTLD_MODE_FIRST, &error); | |
| 2083 sharefs_mod = ddi_modopen("fs/sharefs", | |
| 2084 KRTLD_MODE_FIRST, &error); | |
| 2085 if (nfs_mod == NULL || sharefs_mod == NULL) { | |
| 2086 mutex_exit(&zfs_share_lock); | |
| 2087 return (ENOSYS); | |
| 2088 } | |
| 2089 if (zexport_fs == NULL && ((zexport_fs = (int (*)(void *)) | |
| 2090 ddi_modsym(nfs_mod, "nfs_export", &error)) == NULL)) { | |
| 2091 mutex_exit(&zfs_share_lock); | |
| 2092 return (ENOSYS); | |
| 2093 } | |
| 2094 | |
| 2095 if (zshare_fs == NULL && ((zshare_fs = | |
| 2096 (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) | |
| 2097 ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { | |
| 2098 mutex_exit(&zfs_share_lock); | |
| 2099 return (ENOSYS); | |
| 2100 } | |
| 2101 zfs_share_inited = 1; | |
| 2102 mutex_exit(&zfs_share_lock); | |
| 2103 } | |
| 2104 | |
| 2105 if (error = zexport_fs((void *)(uintptr_t)zc->zc_share.z_exportdata)) | |
| 2106 return (error); | |
| 2107 | |
| 2108 opcode = (zc->zc_share.z_sharetype == B_TRUE) ? | |
| 2109 SHAREFS_ADD : SHAREFS_REMOVE; | |
| 2110 | |
| 2111 error = zshare_fs(opcode, | |
| 2112 (void *)(uintptr_t)zc->zc_share.z_sharedata, | |
| 2113 zc->zc_share.z_sharemax); | |
| 2114 | |
| 2115 return (error); | |
| 2116 | |
| 2117 } | |
| 2118 | |
| 2119 /* | |
| 2120 * pool destroy and pool export don't log the history as part of zfsdev_ioctl, | |
| 2121 * but rather zfs_ioc_pool_create, and zfs_ioc_pool_export do the loggin | |
| 2122 * of those commands. | |
| 2123 */ | |
| 789 | 2124 static zfs_ioc_vec_t zfs_ioc_vec[] = { |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
2125 { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
| 4577 | 2126 { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
| 2127 { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2128 { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2129 { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE }, | |
| 2130 { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE }, | |
| 2131 { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2132 { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2133 { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2134 { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2135 { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2136 { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2137 { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2138 { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2139 { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2140 { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2141 { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2142 { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, | |
| 4543 | 2143 { zfs_ioc_dataset_list_next, zfs_secpolicy_read, |
| 4577 | 2144 DATASET_NAME, B_FALSE }, |
| 4543 | 2145 { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, |
| 4577 | 2146 DATASET_NAME, B_FALSE }, |
| 2147 { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE }, | |
| 2148 { zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, | |
| 2149 { zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, | |
| 2150 { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE }, | |
| 2151 { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, | |
| 2152 { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE }, | |
| 2153 { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE }, | |
| 2154 { zfs_ioc_recvbackup, zfs_secpolicy_receive, DATASET_NAME, B_TRUE }, | |
| 2155 { zfs_ioc_sendbackup, zfs_secpolicy_send, DATASET_NAME, B_TRUE }, | |
| 2156 { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, | |
| 2157 { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, | |
| 2158 { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE }, | |
| 2159 { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE }, | |
| 2160 { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2161 { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE }, | |
| 2162 { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, | |
| 2163 { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE }, | |
| 2164 { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2165 { zfs_ioc_obj_to_path, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2166 { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2167 { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE }, | |
| 2168 { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE }, | |
| 2169 { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, | |
| 4543 | 2170 { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, |
| 4577 | 2171 DATASET_NAME, B_FALSE }, |
| 2172 { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE } | |
| 789 | 2173 }; |
| 2174 | |
| 2175 static int | |
| 2176 zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) | |
| 2177 { | |
| 2178 zfs_cmd_t *zc; | |
| 2179 uint_t vec; | |
| 2199 | 2180 int error, rc; |
| 789 | 2181 |
| 2182 if (getminor(dev) != 0) | |
| 2183 return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); | |
| 2184 | |
| 2185 vec = cmd - ZFS_IOC; | |
| 4787 | 2186 ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip)); |
| 789 | 2187 |
| 2188 if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) | |
| 2189 return (EINVAL); | |
| 2190 | |
| 2191 zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); | |
| 2192 | |
| 2193 error = xcopyin((void *)arg, zc, sizeof (zfs_cmd_t)); | |
| 2194 | |
| 4787 | 2195 if (error == 0) |
| 4543 | 2196 error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); |
| 789 | 2197 |
| 2198 /* | |
| 2199 * Ensure that all pool/dataset names are valid before we pass down to | |
| 2200 * the lower layers. | |
| 2201 */ | |
| 2202 if (error == 0) { | |
| 2203 zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; | |
| 2204 switch (zfs_ioc_vec[vec].zvec_namecheck) { | |
| 4577 | 2205 case POOL_NAME: |
| 789 | 2206 if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) |
| 2207 error = EINVAL; | |
| 2208 break; | |
| 2209 | |
| 4577 | 2210 case DATASET_NAME: |
| 789 | 2211 if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) |
| 2212 error = EINVAL; | |
| 2213 break; | |
| 2856 | 2214 |
| 4577 | 2215 case NO_NAME: |
| 2856 | 2216 break; |
| 789 | 2217 } |
| 2218 } | |
| 2219 | |
| 2220 if (error == 0) | |
| 2221 error = zfs_ioc_vec[vec].zvec_func(zc); | |
| 2222 | |
| 2199 | 2223 rc = xcopyout(zc, (void *)arg, sizeof (zfs_cmd_t)); |
| 4543 | 2224 if (error == 0) { |
| 2199 | 2225 error = rc; |
| 4543 | 2226 if (zfs_ioc_vec[vec].zvec_his_log == B_TRUE) |
| 2227 zfs_log_history(zc); | |
| 2228 } | |
| 789 | 2229 |
| 2230 kmem_free(zc, sizeof (zfs_cmd_t)); | |
| 2231 return (error); | |
| 2232 } | |
| 2233 | |
| 2234 static int | |
| 2235 zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) | |
| 2236 { | |
| 2237 if (cmd != DDI_ATTACH) | |
| 2238 return (DDI_FAILURE); | |
| 2239 | |
| 2240 if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, | |
| 2241 DDI_PSEUDO, 0) == DDI_FAILURE) | |
| 2242 return (DDI_FAILURE); | |
| 2243 | |
| 2244 zfs_dip = dip; | |
| 2245 | |
| 2246 ddi_report_dev(dip); | |
| 2247 | |
| 2248 return (DDI_SUCCESS); | |
| 2249 } | |
| 2250 | |
| 2251 static int | |
| 2252 zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) | |
| 2253 { | |
| 2254 if (spa_busy() || zfs_busy() || zvol_busy()) | |
| 2255 return (DDI_FAILURE); | |
| 2256 | |
| 2257 if (cmd != DDI_DETACH) | |
| 2258 return (DDI_FAILURE); | |
| 2259 | |
| 2260 zfs_dip = NULL; | |
| 2261 | |
| 2262 ddi_prop_remove_all(dip); | |
| 2263 ddi_remove_minor_node(dip, NULL); | |
| 2264 | |
| 2265 return (DDI_SUCCESS); | |
| 2266 } | |
| 2267 | |
| 2268 /*ARGSUSED*/ | |
| 2269 static int | |
| 2270 zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) | |
| 2271 { | |
| 2272 switch (infocmd) { | |
| 2273 case DDI_INFO_DEVT2DEVINFO: | |
| 2274 *result = zfs_dip; | |
| 2275 return (DDI_SUCCESS); | |
| 2276 | |
| 2277 case DDI_INFO_DEVT2INSTANCE: | |
|
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2278 *result = (void *)0; |
| 789 | 2279 return (DDI_SUCCESS); |
| 2280 } | |
| 2281 | |
| 2282 return (DDI_FAILURE); | |
| 2283 } | |
| 2284 | |
| 2285 /* | |
| 2286 * OK, so this is a little weird. | |
| 2287 * | |
| 2288 * /dev/zfs is the control node, i.e. minor 0. | |
| 2289 * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. | |
| 2290 * | |
| 2291 * /dev/zfs has basically nothing to do except serve up ioctls, | |
| 2292 * so most of the standard driver entry points are in zvol.c. | |
| 2293 */ | |
| 2294 static struct cb_ops zfs_cb_ops = { | |
| 2295 zvol_open, /* open */ | |
| 2296 zvol_close, /* close */ | |
| 2297 zvol_strategy, /* strategy */ | |
| 2298 nodev, /* print */ | |
| 2299 nodev, /* dump */ | |
| 2300 zvol_read, /* read */ | |
| 2301 zvol_write, /* write */ | |
| 2302 zfsdev_ioctl, /* ioctl */ | |
| 2303 nodev, /* devmap */ | |
| 2304 nodev, /* mmap */ | |
| 2305 nodev, /* segmap */ | |
| 2306 nochpoll, /* poll */ | |
| 2307 ddi_prop_op, /* prop_op */ | |
| 2308 NULL, /* streamtab */ | |
| 2309 D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ | |
| 2310 CB_REV, /* version */ | |
|
3638
6b28ebc717aa
6496357 spec_fsync() is useless on devices that do write caching
billm
parents:
3444
diff
changeset
|
2311 nodev, /* async read */ |
|
6b28ebc717aa
6496357 spec_fsync() is useless on devices that do write caching
billm
parents:
3444
diff
changeset
|
2312 nodev, /* async write */ |
| 789 | 2313 }; |
| 2314 | |
| 2315 static struct dev_ops zfs_dev_ops = { | |
| 2316 DEVO_REV, /* version */ | |
| 2317 0, /* refcnt */ | |
| 2318 zfs_info, /* info */ | |
| 2319 nulldev, /* identify */ | |
| 2320 nulldev, /* probe */ | |
| 2321 zfs_attach, /* attach */ | |
| 2322 zfs_detach, /* detach */ | |
| 2323 nodev, /* reset */ | |
| 2324 &zfs_cb_ops, /* driver operations */ | |
| 2325 NULL /* no bus operations */ | |
| 2326 }; | |
| 2327 | |
| 2328 static struct modldrv zfs_modldrv = { | |
| 4577 | 2329 &mod_driverops, "ZFS storage pool version " SPA_VERSION_STRING, |
| 2676 | 2330 &zfs_dev_ops |
| 789 | 2331 }; |
| 2332 | |
| 2333 static struct modlinkage modlinkage = { | |
| 2334 MODREV_1, | |
| 2335 (void *)&zfs_modlfs, | |
| 2336 (void *)&zfs_modldrv, | |
| 2337 NULL | |
| 2338 }; | |
| 2339 | |
|
4720
8edc0d2e6f3f
6535160 Lock contention on zl_lock from zil_commit
fr157268
parents:
4715
diff
changeset
|
2340 |
|
8edc0d2e6f3f
6535160 Lock contention on zl_lock from zil_commit
fr157268
parents:
4715
diff
changeset
|
2341 uint_t zfs_fsyncer_key; |
|
8edc0d2e6f3f
6535160 Lock contention on zl_lock from zil_commit
fr157268
parents:
4715
diff
changeset
|
2342 |
| 789 | 2343 int |
| 2344 _init(void) | |
| 2345 { | |
| 2346 int error; | |
| 2347 | |
|
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2348 spa_init(FREAD | FWRITE); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2349 zfs_init(); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2350 zvol_init(); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2351 |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2352 if ((error = mod_install(&modlinkage)) != 0) { |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2353 zvol_fini(); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2354 zfs_fini(); |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2355 spa_fini(); |
| 789 | 2356 return (error); |
|
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2357 } |
| 789 | 2358 |
|
4720
8edc0d2e6f3f
6535160 Lock contention on zl_lock from zil_commit
fr157268
parents:
4715
diff
changeset
|
2359 tsd_create(&zfs_fsyncer_key, NULL); |
|
8edc0d2e6f3f
6535160 Lock contention on zl_lock from zil_commit
fr157268
parents:
4715
diff
changeset
|
2360 |
| 789 | 2361 error = ldi_ident_from_mod(&modlinkage, &zfs_li); |
| 2362 ASSERT(error == 0); | |
| 4543 | 2363 mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); |
| 789 | 2364 |
| 2365 return (0); | |
| 2366 } | |
| 2367 | |
| 2368 int | |
| 2369 _fini(void) | |
| 2370 { | |
| 2371 int error; | |
| 2372 | |
| 1544 | 2373 if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) |
| 789 | 2374 return (EBUSY); |
| 2375 | |
| 2376 if ((error = mod_remove(&modlinkage)) != 0) | |
| 2377 return (error); | |
| 2378 | |
| 2379 zvol_fini(); | |
| 2380 zfs_fini(); | |
| 2381 spa_fini(); | |
| 4543 | 2382 if (zfs_share_inited) { |
| 2383 (void) ddi_modclose(nfs_mod); | |
| 2384 (void) ddi_modclose(sharefs_mod); | |
| 2385 } | |
| 789 | 2386 |
|
4720
8edc0d2e6f3f
6535160 Lock contention on zl_lock from zil_commit
fr157268
parents:
4715
diff
changeset
|
2387 tsd_destroy(&zfs_fsyncer_key); |
| 789 | 2388 ldi_ident_release(zfs_li); |
| 2389 zfs_li = NULL; | |
| 4543 | 2390 mutex_destroy(&zfs_share_lock); |
| 789 | 2391 |
| 2392 return (error); | |
| 2393 } | |
| 2394 | |
| 2395 int | |
| 2396 _info(struct modinfo *modinfop) | |
| 2397 { | |
| 2398 return (mod_info(&modlinkage, modinfop)); | |
| 2399 } |