author | ahrens |
Mon, 16 Jul 2007 12:10:21 -0700 | |
changeset 4670 | 002728040e28 |
parent 4611 | 0960c3336815 |
child 4715 | e8d212dda064 |
permissions | -rw-r--r-- |
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
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|
22 |
* Copyright 2007 Sun Microsystems, Inc. All rights reserved. |
789 | 23 |
* Use is subject to license terms. |
24 |
*/ |
|
25 |
||
26 |
#pragma ident "%Z%%M% %I% %E% SMI" |
|
27 |
||
28 |
#include <sys/types.h> |
|
29 |
#include <sys/param.h> |
|
30 |
#include <sys/errno.h> |
|
31 |
#include <sys/uio.h> |
|
32 |
#include <sys/buf.h> |
|
33 |
#include <sys/modctl.h> |
|
34 |
#include <sys/open.h> |
|
35 |
#include <sys/file.h> |
|
36 |
#include <sys/kmem.h> |
|
37 |
#include <sys/conf.h> |
|
38 |
#include <sys/cmn_err.h> |
|
39 |
#include <sys/stat.h> |
|
40 |
#include <sys/zfs_ioctl.h> |
|
41 |
#include <sys/zap.h> |
|
42 |
#include <sys/spa.h> |
|
3912 | 43 |
#include <sys/spa_impl.h> |
789 | 44 |
#include <sys/vdev.h> |
3912 | 45 |
#include <sys/vdev_impl.h> |
789 | 46 |
#include <sys/dmu.h> |
47 |
#include <sys/dsl_dir.h> |
|
48 |
#include <sys/dsl_dataset.h> |
|
49 |
#include <sys/dsl_prop.h> |
|
4543 | 50 |
#include <sys/dsl_deleg.h> |
51 |
#include <sys/dmu_objset.h> |
|
789 | 52 |
#include <sys/ddi.h> |
53 |
#include <sys/sunddi.h> |
|
54 |
#include <sys/sunldi.h> |
|
55 |
#include <sys/policy.h> |
|
56 |
#include <sys/zone.h> |
|
57 |
#include <sys/nvpair.h> |
|
58 |
#include <sys/pathname.h> |
|
59 |
#include <sys/mount.h> |
|
60 |
#include <sys/sdt.h> |
|
61 |
#include <sys/fs/zfs.h> |
|
62 |
#include <sys/zfs_ctldir.h> |
|
2885 | 63 |
#include <sys/zvol.h> |
4543 | 64 |
#include <sharefs/share.h> |
4577 | 65 |
#include <sys/zfs_znode.h> |
789 | 66 |
|
67 |
#include "zfs_namecheck.h" |
|
2676 | 68 |
#include "zfs_prop.h" |
4543 | 69 |
#include "zfs_deleg.h" |
789 | 70 |
|
71 |
extern struct modlfs zfs_modlfs; |
|
72 |
||
73 |
extern void zfs_init(void); |
|
74 |
extern void zfs_fini(void); |
|
75 |
||
76 |
ldi_ident_t zfs_li = NULL; |
|
77 |
dev_info_t *zfs_dip; |
|
78 |
||
79 |
typedef int zfs_ioc_func_t(zfs_cmd_t *); |
|
4543 | 80 |
typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *); |
789 | 81 |
|
82 |
typedef struct zfs_ioc_vec { |
|
83 |
zfs_ioc_func_t *zvec_func; |
|
84 |
zfs_secpolicy_func_t *zvec_secpolicy; |
|
85 |
enum { |
|
4577 | 86 |
NO_NAME, |
87 |
POOL_NAME, |
|
88 |
DATASET_NAME |
|
4543 | 89 |
} zvec_namecheck; |
90 |
boolean_t zvec_his_log; |
|
789 | 91 |
} zfs_ioc_vec_t; |
92 |
||
93 |
/* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */ |
|
94 |
void |
|
95 |
__dprintf(const char *file, const char *func, int line, const char *fmt, ...) |
|
96 |
{ |
|
97 |
const char *newfile; |
|
98 |
char buf[256]; |
|
99 |
va_list adx; |
|
100 |
||
101 |
/* |
|
102 |
* Get rid of annoying "../common/" prefix to filename. |
|
103 |
*/ |
|
104 |
newfile = strrchr(file, '/'); |
|
105 |
if (newfile != NULL) { |
|
106 |
newfile = newfile + 1; /* Get rid of leading / */ |
|
107 |
} else { |
|
108 |
newfile = file; |
|
109 |
} |
|
110 |
||
111 |
va_start(adx, fmt); |
|
112 |
(void) vsnprintf(buf, sizeof (buf), fmt, adx); |
|
113 |
va_end(adx); |
|
114 |
||
115 |
/* |
|
116 |
* To get this data, use the zfs-dprintf probe as so: |
|
117 |
* dtrace -q -n 'zfs-dprintf \ |
|
118 |
* /stringof(arg0) == "dbuf.c"/ \ |
|
119 |
* {printf("%s: %s", stringof(arg1), stringof(arg3))}' |
|
120 |
* arg0 = file name |
|
121 |
* arg1 = function name |
|
122 |
* arg2 = line number |
|
123 |
* arg3 = message |
|
124 |
*/ |
|
125 |
DTRACE_PROBE4(zfs__dprintf, |
|
126 |
char *, newfile, char *, func, int, line, char *, buf); |
|
127 |
} |
|
128 |
||
4543 | 129 |
static void |
130 |
zfs_log_history(zfs_cmd_t *zc) |
|
131 |
{ |
|
132 |
spa_t *spa; |
|
4603
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|
133 |
char *buf; |
4543 | 134 |
|
135 |
if (zc->zc_history == NULL) |
|
136 |
return; |
|
137 |
||
4577 | 138 |
if (zc->zc_history_offset != LOG_CMD_POOL_CREATE && |
139 |
zc->zc_history_offset != LOG_CMD_NORMAL) |
|
140 |
return; |
|
141 |
||
4543 | 142 |
buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); |
143 |
if (copyinstr((void *)(uintptr_t)zc->zc_history, |
|
144 |
buf, HIS_MAX_RECORD_LEN, NULL) != 0) { |
|
145 |
kmem_free(buf, HIS_MAX_RECORD_LEN); |
|
146 |
return; |
|
147 |
} |
|
148 |
||
149 |
buf[HIS_MAX_RECORD_LEN -1] = '\0'; |
|
150 |
||
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|
151 |
if (spa_open(zc->zc_name, &spa, FTAG) != 0) { |
4543 | 152 |
kmem_free(buf, HIS_MAX_RECORD_LEN); |
153 |
return; |
|
154 |
} |
|
155 |
||
4577 | 156 |
if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) |
4543 | 157 |
(void) spa_history_log(spa, buf, zc->zc_history_offset); |
158 |
||
159 |
spa_close(spa, FTAG); |
|
160 |
kmem_free(buf, HIS_MAX_RECORD_LEN); |
|
161 |
} |
|
162 |
||
789 | 163 |
/* |
164 |
* Policy for top-level read operations (list pools). Requires no privileges, |
|
165 |
* and can be used in the local zone, as there is no associated dataset. |
|
166 |
*/ |
|
167 |
/* ARGSUSED */ |
|
168 |
static int |
|
4543 | 169 |
zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) |
789 | 170 |
{ |
171 |
return (0); |
|
172 |
} |
|
173 |
||
174 |
/* |
|
175 |
* Policy for dataset read operations (list children, get statistics). Requires |
|
176 |
* no privileges, but must be visible in the local zone. |
|
177 |
*/ |
|
178 |
/* ARGSUSED */ |
|
179 |
static int |
|
4543 | 180 |
zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) |
789 | 181 |
{ |
182 |
if (INGLOBALZONE(curproc) || |
|
4543 | 183 |
zone_dataset_visible(zc->zc_name, NULL)) |
789 | 184 |
return (0); |
185 |
||
186 |
return (ENOENT); |
|
187 |
} |
|
188 |
||
189 |
static int |
|
190 |
zfs_dozonecheck(const char *dataset, cred_t *cr) |
|
191 |
{ |
|
192 |
uint64_t zoned; |
|
193 |
int writable = 1; |
|
194 |
||
195 |
/* |
|
196 |
* The dataset must be visible by this zone -- check this first |
|
197 |
* so they don't see EPERM on something they shouldn't know about. |
|
198 |
*/ |
|
199 |
if (!INGLOBALZONE(curproc) && |
|
200 |
!zone_dataset_visible(dataset, &writable)) |
|
201 |
return (ENOENT); |
|
202 |
||
203 |
if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) |
|
204 |
return (ENOENT); |
|
205 |
||
206 |
if (INGLOBALZONE(curproc)) { |
|
207 |
/* |
|
208 |
* If the fs is zoned, only root can access it from the |
|
209 |
* global zone. |
|
210 |
*/ |
|
211 |
if (secpolicy_zfs(cr) && zoned) |
|
212 |
return (EPERM); |
|
213 |
} else { |
|
214 |
/* |
|
215 |
* If we are in a local zone, the 'zoned' property must be set. |
|
216 |
*/ |
|
217 |
if (!zoned) |
|
218 |
return (EPERM); |
|
219 |
||
220 |
/* must be writable by this zone */ |
|
221 |
if (!writable) |
|
222 |
return (EPERM); |
|
223 |
} |
|
224 |
return (0); |
|
225 |
} |
|
226 |
||
227 |
int |
|
4543 | 228 |
zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) |
789 | 229 |
{ |
230 |
int error; |
|
231 |
||
4543 | 232 |
error = zfs_dozonecheck(name, cr); |
233 |
if (error == 0) { |
|
234 |
error = secpolicy_zfs(cr); |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
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4611
diff
changeset
|
235 |
if (error) |
4543 | 236 |
error = dsl_deleg_access(name, perm, cr); |
237 |
} |
|
238 |
return (error); |
|
239 |
} |
|
240 |
||
241 |
static int |
|
242 |
zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) |
|
243 |
{ |
|
244 |
/* |
|
245 |
* Check permissions for special properties. |
|
246 |
*/ |
|
247 |
switch (prop) { |
|
248 |
case ZFS_PROP_ZONED: |
|
249 |
/* |
|
250 |
* Disallow setting of 'zoned' from within a local zone. |
|
251 |
*/ |
|
252 |
if (!INGLOBALZONE(curproc)) |
|
253 |
return (EPERM); |
|
254 |
break; |
|
789 | 255 |
|
4543 | 256 |
case ZFS_PROP_QUOTA: |
257 |
if (!INGLOBALZONE(curproc)) { |
|
258 |
uint64_t zoned; |
|
259 |
char setpoint[MAXNAMELEN]; |
|
260 |
/* |
|
261 |
* Unprivileged users are allowed to modify the |
|
262 |
* quota on things *under* (ie. contained by) |
|
263 |
* the thing they own. |
|
264 |
*/ |
|
265 |
if (dsl_prop_get_integer(name, "zoned", &zoned, |
|
266 |
setpoint)) |
|
267 |
return (EPERM); |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
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4611
diff
changeset
|
268 |
if (!zoned || strlen(name) <= strlen(setpoint)) |
4543 | 269 |
return (EPERM); |
270 |
} |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
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parents:
4611
diff
changeset
|
271 |
break; |
4543 | 272 |
} |
273 |
||
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
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parents:
4611
diff
changeset
|
274 |
return (zfs_secpolicy_write_perms(name, zfs_prop_perm(prop), cr)); |
789 | 275 |
} |
276 |
||
4543 | 277 |
int |
278 |
zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) |
|
279 |
{ |
|
280 |
int error; |
|
281 |
||
282 |
error = zfs_dozonecheck(zc->zc_name, cr); |
|
283 |
if (error) |
|
284 |
return (error); |
|
285 |
||
286 |
/* |
|
287 |
* permission to set permissions will be evaluated later in |
|
288 |
* dsl_deleg_can_allow() |
|
289 |
*/ |
|
290 |
return (0); |
|
291 |
} |
|
292 |
||
293 |
int |
|
294 |
zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) |
|
295 |
{ |
|
296 |
int error; |
|
297 |
error = zfs_secpolicy_write_perms(zc->zc_name, |
|
298 |
ZFS_DELEG_PERM_ROLLBACK, cr); |
|
299 |
if (error == 0) |
|
300 |
error = zfs_secpolicy_write_perms(zc->zc_name, |
|
301 |
ZFS_DELEG_PERM_MOUNT, cr); |
|
302 |
return (error); |
|
303 |
} |
|
304 |
||
305 |
int |
|
306 |
zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) |
|
307 |
{ |
|
308 |
return (zfs_secpolicy_write_perms(zc->zc_name, |
|
309 |
ZFS_DELEG_PERM_SEND, cr)); |
|
310 |
} |
|
311 |
||
312 |
int |
|
313 |
zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) |
|
314 |
{ |
|
315 |
if (!INGLOBALZONE(curproc)) |
|
316 |
return (EPERM); |
|
317 |
||
318 |
if (secpolicy_nfs(CRED()) == 0) { |
|
319 |
return (0); |
|
320 |
} else { |
|
321 |
vnode_t *vp; |
|
322 |
int error; |
|
323 |
||
324 |
if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, |
|
325 |
NO_FOLLOW, NULL, &vp)) != 0) |
|
326 |
return (error); |
|
327 |
||
328 |
/* Now make sure mntpnt and dataset are ZFS */ |
|
329 |
||
330 |
if (vp->v_vfsp->vfs_fstype != zfsfstype || |
|
331 |
(strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), |
|
332 |
zc->zc_name) != 0)) { |
|
333 |
VN_RELE(vp); |
|
334 |
return (EPERM); |
|
335 |
} |
|
336 |
||
337 |
VN_RELE(vp); |
|
338 |
return (dsl_deleg_access(zc->zc_name, |
|
339 |
ZFS_DELEG_PERM_SHARE, cr)); |
|
340 |
} |
|
341 |
} |
|
342 |
||
789 | 343 |
static int |
4543 | 344 |
zfs_get_parent(const char *datasetname, char *parent, int parentsize) |
789 | 345 |
{ |
346 |
char *cp; |
|
347 |
||
348 |
/* |
|
349 |
* Remove the @bla or /bla from the end of the name to get the parent. |
|
350 |
*/ |
|
4543 | 351 |
(void) strncpy(parent, datasetname, parentsize); |
352 |
cp = strrchr(parent, '@'); |
|
789 | 353 |
if (cp != NULL) { |
354 |
cp[0] = '\0'; |
|
355 |
} else { |
|
4543 | 356 |
cp = strrchr(parent, '/'); |
789 | 357 |
if (cp == NULL) |
358 |
return (ENOENT); |
|
359 |
cp[0] = '\0'; |
|
360 |
} |
|
361 |
||
4543 | 362 |
return (0); |
363 |
} |
|
364 |
||
365 |
int |
|
366 |
zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) |
|
367 |
{ |
|
368 |
int error; |
|
369 |
||
370 |
if ((error = zfs_secpolicy_write_perms(name, |
|
371 |
ZFS_DELEG_PERM_MOUNT, cr)) != 0) |
|
372 |
return (error); |
|
373 |
||
374 |
return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); |
|
375 |
} |
|
376 |
||
377 |
static int |
|
378 |
zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) |
|
379 |
{ |
|
380 |
return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); |
|
381 |
} |
|
382 |
||
383 |
/* |
|
384 |
* Must have sys_config privilege to check the iscsi permission |
|
385 |
*/ |
|
386 |
/* ARGSUSED */ |
|
387 |
static int |
|
388 |
zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) |
|
389 |
{ |
|
390 |
return (secpolicy_zfs(cr)); |
|
391 |
} |
|
392 |
||
393 |
int |
|
394 |
zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) |
|
395 |
{ |
|
396 |
char parentname[MAXNAMELEN]; |
|
397 |
int error; |
|
398 |
||
399 |
if ((error = zfs_secpolicy_write_perms(from, |
|
400 |
ZFS_DELEG_PERM_RENAME, cr)) != 0) |
|
401 |
return (error); |
|
402 |
||
403 |
if ((error = zfs_secpolicy_write_perms(from, |
|
404 |
ZFS_DELEG_PERM_MOUNT, cr)) != 0) |
|
405 |
return (error); |
|
406 |
||
407 |
if ((error = zfs_get_parent(to, parentname, |
|
408 |
sizeof (parentname))) != 0) |
|
409 |
return (error); |
|
410 |
||
411 |
if ((error = zfs_secpolicy_write_perms(parentname, |
|
412 |
ZFS_DELEG_PERM_CREATE, cr)) != 0) |
|
413 |
return (error); |
|
414 |
||
415 |
if ((error = zfs_secpolicy_write_perms(parentname, |
|
416 |
ZFS_DELEG_PERM_MOUNT, cr)) != 0) |
|
417 |
return (error); |
|
418 |
||
419 |
return (error); |
|
420 |
} |
|
421 |
||
422 |
static int |
|
423 |
zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) |
|
424 |
{ |
|
425 |
return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); |
|
426 |
} |
|
427 |
||
428 |
static int |
|
429 |
zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) |
|
430 |
{ |
|
431 |
char parentname[MAXNAMELEN]; |
|
432 |
objset_t *clone; |
|
433 |
int error; |
|
434 |
||
435 |
error = zfs_secpolicy_write_perms(zc->zc_name, |
|
436 |
ZFS_DELEG_PERM_PROMOTE, cr); |
|
437 |
if (error) |
|
438 |
return (error); |
|
439 |
||
440 |
error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, |
|
441 |
DS_MODE_STANDARD | DS_MODE_READONLY, &clone); |
|
442 |
||
443 |
if (error == 0) { |
|
444 |
dsl_dataset_t *pclone = NULL; |
|
445 |
dsl_dir_t *dd; |
|
446 |
dd = clone->os->os_dsl_dataset->ds_dir; |
|
447 |
||
448 |
rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); |
|
449 |
error = dsl_dataset_open_obj(dd->dd_pool, |
|
450 |
dd->dd_phys->dd_clone_parent_obj, NULL, |
|
451 |
DS_MODE_NONE, FTAG, &pclone); |
|
452 |
rw_exit(&dd->dd_pool->dp_config_rwlock); |
|
453 |
if (error) { |
|
454 |
dmu_objset_close(clone); |
|
455 |
return (error); |
|
456 |
} |
|
457 |
||
458 |
error = zfs_secpolicy_write_perms(zc->zc_name, |
|
459 |
ZFS_DELEG_PERM_MOUNT, cr); |
|
460 |
||
461 |
dsl_dataset_name(pclone, parentname); |
|
462 |
dmu_objset_close(clone); |
|
463 |
dsl_dataset_close(pclone, DS_MODE_NONE, FTAG); |
|
464 |
if (error == 0) |
|
465 |
error = zfs_secpolicy_write_perms(parentname, |
|
466 |
ZFS_DELEG_PERM_PROMOTE, cr); |
|
467 |
} |
|
468 |
return (error); |
|
469 |
} |
|
470 |
||
471 |
static int |
|
472 |
zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) |
|
473 |
{ |
|
474 |
int error; |
|
475 |
||
476 |
if ((error = zfs_secpolicy_write_perms(zc->zc_name, |
|
477 |
ZFS_DELEG_PERM_RECEIVE, cr)) != 0) |
|
478 |
return (error); |
|
479 |
||
480 |
if ((error = zfs_secpolicy_write_perms(zc->zc_name, |
|
481 |
ZFS_DELEG_PERM_MOUNT, cr)) != 0) |
|
482 |
return (error); |
|
483 |
||
484 |
return (zfs_secpolicy_write_perms(zc->zc_name, |
|
485 |
ZFS_DELEG_PERM_CREATE, cr)); |
|
486 |
} |
|
487 |
||
488 |
int |
|
489 |
zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) |
|
490 |
{ |
|
491 |
int error; |
|
492 |
||
493 |
if ((error = zfs_secpolicy_write_perms(name, |
|
494 |
ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0) |
|
495 |
return (error); |
|
496 |
||
497 |
error = zfs_secpolicy_write_perms(name, |
|
498 |
ZFS_DELEG_PERM_MOUNT, cr); |
|
499 |
||
500 |
return (error); |
|
501 |
} |
|
502 |
||
503 |
static int |
|
504 |
zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) |
|
505 |
{ |
|
506 |
||
507 |
return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); |
|
508 |
} |
|
509 |
||
510 |
static int |
|
511 |
zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) |
|
512 |
{ |
|
513 |
char parentname[MAXNAMELEN]; |
|
514 |
int error; |
|
515 |
||
516 |
if ((error = zfs_get_parent(zc->zc_name, parentname, |
|
517 |
sizeof (parentname))) != 0) |
|
518 |
return (error); |
|
519 |
||
520 |
if (zc->zc_value[0] != '\0') { |
|
521 |
if ((error = zfs_secpolicy_write_perms(zc->zc_value, |
|
522 |
ZFS_DELEG_PERM_CLONE, cr)) != 0) |
|
523 |
return (error); |
|
524 |
} |
|
525 |
||
526 |
if ((error = zfs_secpolicy_write_perms(parentname, |
|
527 |
ZFS_DELEG_PERM_CREATE, cr)) != 0) |
|
528 |
return (error); |
|
529 |
||
530 |
error = zfs_secpolicy_write_perms(parentname, |
|
531 |
ZFS_DELEG_PERM_MOUNT, cr); |
|
532 |
||
533 |
return (error); |
|
534 |
} |
|
535 |
||
536 |
static int |
|
537 |
zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) |
|
538 |
{ |
|
539 |
int error; |
|
540 |
||
541 |
error = secpolicy_fs_unmount(cr, NULL); |
|
542 |
if (error) { |
|
543 |
error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); |
|
544 |
} |
|
545 |
return (error); |
|
789 | 546 |
} |
547 |
||
548 |
/* |
|
549 |
* Policy for pool operations - create/destroy pools, add vdevs, etc. Requires |
|
550 |
* SYS_CONFIG privilege, which is not available in a local zone. |
|
551 |
*/ |
|
552 |
/* ARGSUSED */ |
|
553 |
static int |
|
4543 | 554 |
zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) |
789 | 555 |
{ |
556 |
if (secpolicy_sys_config(cr, B_FALSE) != 0) |
|
557 |
return (EPERM); |
|
558 |
||
559 |
return (0); |
|
560 |
} |
|
561 |
||
562 |
/* |
|
4543 | 563 |
* Just like zfs_secpolicy_config, except that we will check for |
564 |
* mount permission on the dataset for permission to create/remove |
|
565 |
* the minor nodes. |
|
566 |
*/ |
|
567 |
static int |
|
568 |
zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr) |
|
569 |
{ |
|
570 |
if (secpolicy_sys_config(cr, B_FALSE) != 0) { |
|
571 |
return (dsl_deleg_access(zc->zc_name, |
|
572 |
ZFS_DELEG_PERM_MOUNT, cr)); |
|
573 |
} |
|
574 |
||
575 |
return (0); |
|
576 |
} |
|
577 |
||
578 |
/* |
|
1544 | 579 |
* Policy for fault injection. Requires all privileges. |
580 |
*/ |
|
581 |
/* ARGSUSED */ |
|
582 |
static int |
|
4543 | 583 |
zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) |
1544 | 584 |
{ |
585 |
return (secpolicy_zinject(cr)); |
|
586 |
} |
|
587 |
||
588 |
/* |
|
789 | 589 |
* Returns the nvlist as specified by the user in the zfs_cmd_t. |
590 |
*/ |
|
591 |
static int |
|
2676 | 592 |
get_nvlist(zfs_cmd_t *zc, nvlist_t **nvp) |
789 | 593 |
{ |
594 |
char *packed; |
|
595 |
size_t size; |
|
596 |
int error; |
|
597 |
nvlist_t *config = NULL; |
|
598 |
||
599 |
/* |
|
2676 | 600 |
* Read in and unpack the user-supplied nvlist. |
789 | 601 |
*/ |
2676 | 602 |
if ((size = zc->zc_nvlist_src_size) == 0) |
789 | 603 |
return (EINVAL); |
604 |
||
605 |
packed = kmem_alloc(size, KM_SLEEP); |
|
606 |
||
2676 | 607 |
if ((error = xcopyin((void *)(uintptr_t)zc->zc_nvlist_src, packed, |
789 | 608 |
size)) != 0) { |
609 |
kmem_free(packed, size); |
|
610 |
return (error); |
|
611 |
} |
|
612 |
||
613 |
if ((error = nvlist_unpack(packed, size, &config, 0)) != 0) { |
|
614 |
kmem_free(packed, size); |
|
615 |
return (error); |
|
616 |
} |
|
617 |
||
618 |
kmem_free(packed, size); |
|
619 |
||
620 |
*nvp = config; |
|
621 |
return (0); |
|
622 |
} |
|
623 |
||
624 |
static int |
|
2676 | 625 |
put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) |
626 |
{ |
|
627 |
char *packed = NULL; |
|
628 |
size_t size; |
|
629 |
int error; |
|
630 |
||
631 |
VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); |
|
632 |
||
633 |
if (size > zc->zc_nvlist_dst_size) { |
|
634 |
error = ENOMEM; |
|
635 |
} else { |
|
4611 | 636 |
packed = kmem_alloc(size, KM_SLEEP); |
2676 | 637 |
VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, |
638 |
KM_SLEEP) == 0); |
|
639 |
error = xcopyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, |
|
640 |
size); |
|
641 |
kmem_free(packed, size); |
|
642 |
} |
|
643 |
||
644 |
zc->zc_nvlist_dst_size = size; |
|
645 |
return (error); |
|
646 |
} |
|
647 |
||
648 |
static int |
|
789 | 649 |
zfs_ioc_pool_create(zfs_cmd_t *zc) |
650 |
{ |
|
651 |
int error; |
|
652 |
nvlist_t *config; |
|
653 |
||
2676 | 654 |
if ((error = get_nvlist(zc, &config)) != 0) |
789 | 655 |
return (error); |
656 |
||
2676 | 657 |
error = spa_create(zc->zc_name, config, zc->zc_value[0] == '\0' ? |
658 |
NULL : zc->zc_value); |
|
789 | 659 |
|
660 |
nvlist_free(config); |
|
661 |
||
662 |
return (error); |
|
663 |
} |
|
664 |
||
665 |
static int |
|
666 |
zfs_ioc_pool_destroy(zfs_cmd_t *zc) |
|
667 |
{ |
|
4543 | 668 |
int error; |
669 |
zfs_log_history(zc); |
|
670 |
error = spa_destroy(zc->zc_name); |
|
671 |
return (error); |
|
789 | 672 |
} |
673 |
||
674 |
static int |
|
675 |
zfs_ioc_pool_import(zfs_cmd_t *zc) |
|
676 |
{ |
|
677 |
int error; |
|
678 |
nvlist_t *config; |
|
679 |
uint64_t guid; |
|
680 |
||
2676 | 681 |
if ((error = get_nvlist(zc, &config)) != 0) |
789 | 682 |
return (error); |
683 |
||
684 |
if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || |
|
1544 | 685 |
guid != zc->zc_guid) |
789 | 686 |
error = EINVAL; |
687 |
else |
|
688 |
error = spa_import(zc->zc_name, config, |
|
2676 | 689 |
zc->zc_value[0] == '\0' ? NULL : zc->zc_value); |
789 | 690 |
|
691 |
nvlist_free(config); |
|
692 |
||
693 |
return (error); |
|
694 |
} |
|
695 |
||
696 |
static int |
|
697 |
zfs_ioc_pool_export(zfs_cmd_t *zc) |
|
698 |
{ |
|
4543 | 699 |
int error; |
700 |
zfs_log_history(zc); |
|
701 |
error = spa_export(zc->zc_name, NULL); |
|
702 |
return (error); |
|
789 | 703 |
} |
704 |
||
705 |
static int |
|
706 |
zfs_ioc_pool_configs(zfs_cmd_t *zc) |
|
707 |
{ |
|
708 |
nvlist_t *configs; |
|
709 |
int error; |
|
710 |
||
711 |
if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) |
|
712 |
return (EEXIST); |
|
713 |
||
2676 | 714 |
error = put_nvlist(zc, configs); |
789 | 715 |
|
716 |
nvlist_free(configs); |
|
717 |
||
718 |
return (error); |
|
719 |
} |
|
720 |
||
721 |
static int |
|
722 |
zfs_ioc_pool_stats(zfs_cmd_t *zc) |
|
723 |
{ |
|
724 |
nvlist_t *config; |
|
725 |
int error; |
|
1544 | 726 |
int ret = 0; |
789 | 727 |
|
2676 | 728 |
error = spa_get_stats(zc->zc_name, &config, zc->zc_value, |
729 |
sizeof (zc->zc_value)); |
|
789 | 730 |
|
731 |
if (config != NULL) { |
|
2676 | 732 |
ret = put_nvlist(zc, config); |
789 | 733 |
nvlist_free(config); |
1544 | 734 |
|
735 |
/* |
|
736 |
* The config may be present even if 'error' is non-zero. |
|
737 |
* In this case we return success, and preserve the real errno |
|
738 |
* in 'zc_cookie'. |
|
739 |
*/ |
|
740 |
zc->zc_cookie = error; |
|
789 | 741 |
} else { |
1544 | 742 |
ret = error; |
789 | 743 |
} |
744 |
||
1544 | 745 |
return (ret); |
789 | 746 |
} |
747 |
||
748 |
/* |
|
749 |
* Try to import the given pool, returning pool stats as appropriate so that |
|
750 |
* user land knows which devices are available and overall pool health. |
|
751 |
*/ |
|
752 |
static int |
|
753 |
zfs_ioc_pool_tryimport(zfs_cmd_t *zc) |
|
754 |
{ |
|
755 |
nvlist_t *tryconfig, *config; |
|
756 |
int error; |
|
757 |
||
2676 | 758 |
if ((error = get_nvlist(zc, &tryconfig)) != 0) |
789 | 759 |
return (error); |
760 |
||
761 |
config = spa_tryimport(tryconfig); |
|
762 |
||
763 |
nvlist_free(tryconfig); |
|
764 |
||
765 |
if (config == NULL) |
|
766 |
return (EINVAL); |
|
767 |
||
2676 | 768 |
error = put_nvlist(zc, config); |
789 | 769 |
nvlist_free(config); |
770 |
||
771 |
return (error); |
|
772 |
} |
|
773 |
||
774 |
static int |
|
775 |
zfs_ioc_pool_scrub(zfs_cmd_t *zc) |
|
776 |
{ |
|
777 |
spa_t *spa; |
|
778 |
int error; |
|
779 |
||
2926 | 780 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
781 |
return (error); |
|
782 |
||
4451 | 783 |
spa_config_enter(spa, RW_READER, FTAG); |
2926 | 784 |
error = spa_scrub(spa, zc->zc_cookie, B_FALSE); |
4451 | 785 |
spa_config_exit(spa, FTAG); |
2926 | 786 |
|
787 |
spa_close(spa, FTAG); |
|
788 |
||
789 | 789 |
return (error); |
790 |
} |
|
791 |
||
792 |
static int |
|
793 |
zfs_ioc_pool_freeze(zfs_cmd_t *zc) |
|
794 |
{ |
|
795 |
spa_t *spa; |
|
796 |
int error; |
|
797 |
||
798 |
error = spa_open(zc->zc_name, &spa, FTAG); |
|
799 |
if (error == 0) { |
|
800 |
spa_freeze(spa); |
|
801 |
spa_close(spa, FTAG); |
|
802 |
} |
|
803 |
return (error); |
|
804 |
} |
|
805 |
||
806 |
static int |
|
1760 | 807 |
zfs_ioc_pool_upgrade(zfs_cmd_t *zc) |
808 |
{ |
|
809 |
spa_t *spa; |
|
810 |
int error; |
|
811 |
||
2926 | 812 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
813 |
return (error); |
|
814 |
||
815 |
spa_upgrade(spa); |
|
816 |
spa_close(spa, FTAG); |
|
817 |
||
818 |
return (error); |
|
819 |
} |
|
820 |
||
821 |
static int |
|
822 |
zfs_ioc_pool_get_history(zfs_cmd_t *zc) |
|
823 |
{ |
|
824 |
spa_t *spa; |
|
825 |
char *hist_buf; |
|
826 |
uint64_t size; |
|
827 |
int error; |
|
828 |
||
829 |
if ((size = zc->zc_history_len) == 0) |
|
830 |
return (EINVAL); |
|
831 |
||
832 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
|
833 |
return (error); |
|
834 |
||
4577 | 835 |
if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { |
3863
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
836 |
spa_close(spa, FTAG); |
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
837 |
return (ENOTSUP); |
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
838 |
} |
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
839 |
|
2926 | 840 |
hist_buf = kmem_alloc(size, KM_SLEEP); |
841 |
if ((error = spa_history_get(spa, &zc->zc_history_offset, |
|
842 |
&zc->zc_history_len, hist_buf)) == 0) { |
|
4543 | 843 |
error = xcopyout(hist_buf, |
844 |
(char *)(uintptr_t)zc->zc_history, |
|
2926 | 845 |
zc->zc_history_len); |
846 |
} |
|
847 |
||
848 |
spa_close(spa, FTAG); |
|
849 |
kmem_free(hist_buf, size); |
|
850 |
return (error); |
|
851 |
} |
|
852 |
||
853 |
static int |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
854 |
zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
855 |
{ |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
856 |
int error; |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
857 |
|
3912 | 858 |
if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) |
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
859 |
return (error); |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
860 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
861 |
return (0); |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
862 |
} |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
863 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
864 |
static int |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
865 |
zfs_ioc_obj_to_path(zfs_cmd_t *zc) |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
866 |
{ |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
867 |
objset_t *osp; |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
868 |
int error; |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
869 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
870 |
if ((error = dmu_objset_open(zc->zc_name, DMU_OST_ZFS, |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
871 |
DS_MODE_NONE | DS_MODE_READONLY, &osp)) != 0) |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
872 |
return (error); |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
873 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
874 |
error = zfs_obj_to_path(osp, zc->zc_obj, zc->zc_value, |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
875 |
sizeof (zc->zc_value)); |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
876 |
dmu_objset_close(osp); |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
877 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
878 |
return (error); |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
879 |
} |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
880 |
|
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3265
diff
changeset
|
881 |
static int |
789 | 882 |
zfs_ioc_vdev_add(zfs_cmd_t *zc) |
883 |
{ |
|
884 |
spa_t *spa; |
|
885 |
int error; |
|
886 |
nvlist_t *config; |
|
887 |
||
888 |
error = spa_open(zc->zc_name, &spa, FTAG); |
|
889 |
if (error != 0) |
|
890 |
return (error); |
|
891 |
||
3912 | 892 |
/* |
893 |
* A root pool with concatenated devices is not supported. |
|
894 |
* Thus, can not add a device to a root pool with one device. |
|
895 |
*/ |
|
896 |
if (spa->spa_root_vdev->vdev_children == 1 && spa->spa_bootfs != 0) { |
|
897 |
spa_close(spa, FTAG); |
|
898 |
return (EDOM); |
|
899 |
} |
|
900 |
||
2676 | 901 |
if ((error = get_nvlist(zc, &config)) == 0) { |
789 | 902 |
error = spa_vdev_add(spa, config); |
903 |
nvlist_free(config); |
|
904 |
} |
|
905 |
spa_close(spa, FTAG); |
|
906 |
return (error); |
|
907 |
} |
|
908 |
||
909 |
static int |
|
910 |
zfs_ioc_vdev_remove(zfs_cmd_t *zc) |
|
911 |
{ |
|
2082 | 912 |
spa_t *spa; |
913 |
int error; |
|
914 |
||
915 |
error = spa_open(zc->zc_name, &spa, FTAG); |
|
916 |
if (error != 0) |
|
917 |
return (error); |
|
918 |
error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); |
|
919 |
spa_close(spa, FTAG); |
|
920 |
return (error); |
|
789 | 921 |
} |
922 |
||
923 |
static int |
|
4451 | 924 |
zfs_ioc_vdev_set_state(zfs_cmd_t *zc) |
789 | 925 |
{ |
926 |
spa_t *spa; |
|
927 |
int error; |
|
4451 | 928 |
vdev_state_t newstate = VDEV_STATE_UNKNOWN; |
789 | 929 |
|
2926 | 930 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
789 | 931 |
return (error); |
4451 | 932 |
switch (zc->zc_cookie) { |
933 |
case VDEV_STATE_ONLINE: |
|
934 |
error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); |
|
935 |
break; |
|
936 |
||
937 |
case VDEV_STATE_OFFLINE: |
|
938 |
error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); |
|
939 |
break; |
|
789 | 940 |
|
4451 | 941 |
case VDEV_STATE_FAULTED: |
942 |
error = vdev_fault(spa, zc->zc_guid); |
|
943 |
break; |
|
789 | 944 |
|
4451 | 945 |
case VDEV_STATE_DEGRADED: |
946 |
error = vdev_degrade(spa, zc->zc_guid); |
|
947 |
break; |
|
948 |
||
949 |
default: |
|
950 |
error = EINVAL; |
|
951 |
} |
|
952 |
zc->zc_cookie = newstate; |
|
789 | 953 |
spa_close(spa, FTAG); |
954 |
return (error); |
|
955 |
} |
|
956 |
||
957 |
static int |
|
958 |
zfs_ioc_vdev_attach(zfs_cmd_t *zc) |
|
959 |
{ |
|
960 |
spa_t *spa; |
|
961 |
int replacing = zc->zc_cookie; |
|
962 |
nvlist_t *config; |
|
963 |
int error; |
|
964 |
||
2926 | 965 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
789 | 966 |
return (error); |
967 |
||
2676 | 968 |
if ((error = get_nvlist(zc, &config)) == 0) { |
1544 | 969 |
error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); |
789 | 970 |
nvlist_free(config); |
971 |
} |
|
972 |
||
973 |
spa_close(spa, FTAG); |
|
974 |
return (error); |
|
975 |
} |
|
976 |
||
977 |
static int |
|
978 |
zfs_ioc_vdev_detach(zfs_cmd_t *zc) |
|
979 |
{ |
|
980 |
spa_t *spa; |
|
981 |
int error; |
|
982 |
||
2926 | 983 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
789 | 984 |
return (error); |
985 |
||
1544 | 986 |
error = spa_vdev_detach(spa, zc->zc_guid, B_FALSE); |
789 | 987 |
|
988 |
spa_close(spa, FTAG); |
|
989 |
return (error); |
|
990 |
} |
|
991 |
||
992 |
static int |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
993 |
zfs_ioc_vdev_setpath(zfs_cmd_t *zc) |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
994 |
{ |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
995 |
spa_t *spa; |
2676 | 996 |
char *path = zc->zc_value; |
1544 | 997 |
uint64_t guid = zc->zc_guid; |
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
998 |
int error; |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
999 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1000 |
error = spa_open(zc->zc_name, &spa, FTAG); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1001 |
if (error != 0) |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1002 |
return (error); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1003 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1004 |
error = spa_vdev_setpath(spa, guid, path); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1005 |
spa_close(spa, FTAG); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1006 |
return (error); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1007 |
} |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1008 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1133
diff
changeset
|
1009 |
static int |
789 | 1010 |
zfs_ioc_objset_stats(zfs_cmd_t *zc) |
1011 |
{ |
|
1012 |
objset_t *os = NULL; |
|
1013 |
int error; |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1014 |
nvlist_t *nv; |
789 | 1015 |
|
1016 |
retry: |
|
1017 |
error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, |
|
1018 |
DS_MODE_STANDARD | DS_MODE_READONLY, &os); |
|
1019 |
if (error != 0) { |
|
1020 |
/* |
|
1021 |
* This is ugly: dmu_objset_open() can return EBUSY if |
|
1022 |
* the objset is held exclusively. Fortunately this hold is |
|
1023 |
* only for a short while, so we retry here. |
|
1024 |
* This avoids user code having to handle EBUSY, |
|
1025 |
* for example for a "zfs list". |
|
1026 |
*/ |
|
1027 |
if (error == EBUSY) { |
|
1028 |
delay(1); |
|
1029 |
goto retry; |
|
1030 |
} |
|
1031 |
return (error); |
|
1032 |
} |
|
1033 |
||
2885 | 1034 |
dmu_objset_fast_stat(os, &zc->zc_objset_stats); |
789 | 1035 |
|
2856 | 1036 |
if (zc->zc_nvlist_dst != 0 && |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1037 |
(error = dsl_prop_get_all(os, &nv)) == 0) { |
2885 | 1038 |
dmu_objset_stats(os, nv); |
3087 | 1039 |
/* |
4577 | 1040 |
* NB: {zpl,zvol}_get_stats() will read the objset contents, |
3087 | 1041 |
* which we aren't supposed to do with a |
1042 |
* DS_MODE_STANDARD open, because it could be |
|
1043 |
* inconsistent. So this is a bit of a workaround... |
|
1044 |
*/ |
|
4577 | 1045 |
if (!zc->zc_objset_stats.dds_inconsistent) { |
1046 |
if (dmu_objset_type(os) == DMU_OST_ZVOL) |
|
1047 |
VERIFY(zvol_get_stats(os, nv) == 0); |
|
1048 |
else if (dmu_objset_type(os) == DMU_OST_ZFS) |
|
1049 |
(void) zfs_get_stats(os, nv); |
|
1050 |
} |
|
2676 | 1051 |
error = put_nvlist(zc, nv); |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1052 |
nvlist_free(nv); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1354
diff
changeset
|
1053 |
} |
789 | 1054 |
|
2676 | 1055 |
spa_altroot(dmu_objset_spa(os), zc->zc_value, sizeof (zc->zc_value)); |
1544 | 1056 |
|
789 | 1057 |
dmu_objset_close(os); |
1058 |
return (error); |
|
1059 |
} |
|
1060 |
||
1061 |
static int |
|
1062 |
zfs_ioc_dataset_list_next(zfs_cmd_t *zc) |
|
1063 |
{ |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1064 |
objset_t *os; |
789 | 1065 |
int error; |
1066 |
char *p; |
|
1067 |
||
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1068 |
retry: |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1069 |
error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1070 |
DS_MODE_STANDARD | DS_MODE_READONLY, &os); |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1071 |
if (error != 0) { |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1072 |
/* |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1073 |
* This is ugly: dmu_objset_open() can return EBUSY if |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1074 |
* the objset is held exclusively. Fortunately this hold is |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1075 |
* only for a short while, so we retry here. |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1076 |
* This avoids user code having to handle EBUSY, |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1077 |
* for example for a "zfs list". |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1078 |
*/ |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1079 |
if (error == EBUSY) { |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1080 |
delay(1); |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1081 |
goto retry; |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1082 |
} |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1083 |
if (error == ENOENT) |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1084 |
error = ESRCH; |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1085 |
return (error); |
789 | 1086 |
} |
1087 |
||
1088 |
p = strrchr(zc->zc_name, '/'); |
|
1089 |
if (p == NULL || p[1] != '\0') |
|
1090 |
(void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); |
|
1091 |
p = zc->zc_name + strlen(zc->zc_name); |
|
1092 |
||
1093 |
do { |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1094 |
error = dmu_dir_list_next(os, |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1095 |
sizeof (zc->zc_name) - (p - zc->zc_name), p, |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1096 |
NULL, &zc->zc_cookie); |
789 | 1097 |
if (error == ENOENT) |
1098 |
error = ESRCH; |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1099 |
} while (error == 0 && !INGLOBALZONE(curproc) && |
789 | 1100 |
!zone_dataset_visible(zc->zc_name, NULL)); |
1101 |
||
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1102 |
/* |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1103 |
* If it's a hidden dataset (ie. with a '$' in its name), don't |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1104 |
* try to get stats for it. Userland will skip over it. |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1105 |
*/ |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1106 |
if (error == 0 && strchr(zc->zc_name, '$') == NULL) |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1107 |
error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
789 | 1108 |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1109 |
dmu_objset_close(os); |
789 | 1110 |
return (error); |
1111 |
} |
|
1112 |
||
1113 |
static int |
|
1114 |
zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) |
|
1115 |
{ |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1116 |
objset_t *os; |
789 | 1117 |
int error; |
1118 |
||
1119 |
retry: |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1120 |
error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1121 |
DS_MODE_STANDARD | DS_MODE_READONLY, &os); |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1122 |
if (error != 0) { |
789 | 1123 |
/* |
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1124 |
* This is ugly: dmu_objset_open() can return EBUSY if |
789 | 1125 |
* the objset is held exclusively. Fortunately this hold is |
1126 |
* only for a short while, so we retry here. |
|
1127 |
* This avoids user code having to handle EBUSY, |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1128 |
* for example for a "zfs list". |
789 | 1129 |
*/ |
1130 |
if (error == EBUSY) { |
|
1131 |
delay(1); |
|
1132 |
goto retry; |
|
1133 |
} |
|
1134 |
if (error == ENOENT) |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1135 |
error = ESRCH; |
789 | 1136 |
return (error); |
1137 |
} |
|
1138 |
||
1003 | 1139 |
/* |
1140 |
* A dataset name of maximum length cannot have any snapshots, |
|
1141 |
* so exit immediately. |
|
1142 |
*/ |
|
1143 |
if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1144 |
dmu_objset_close(os); |
1003 | 1145 |
return (ESRCH); |
789 | 1146 |
} |
1147 |
||
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1148 |
error = dmu_snapshot_list_next(os, |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1149 |
sizeof (zc->zc_name) - strlen(zc->zc_name), |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1150 |
zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie); |
789 | 1151 |
if (error == ENOENT) |
1152 |
error = ESRCH; |
|
1153 |
||
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1154 |
if (error == 0) |
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1155 |
error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
789 | 1156 |
|
885
d925b21dba78
6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ...
ahrens
parents:
849
diff
changeset
|
1157 |
dmu_objset_close(os); |
789 | 1158 |
return (error); |
1159 |
} |
|
1160 |
||
1161 |
static int |
|
2676 | 1162 |
zfs_set_prop_nvlist(const char *name, dev_t dev, cred_t *cr, nvlist_t *nvl) |
789 | 1163 |
{ |
2676 | 1164 |
nvpair_t *elem; |
1165 |
int error; |
|
1166 |
uint64_t intval; |
|
1167 |
char *strval; |
|
1168 |
||
4543 | 1169 |
/* |
1170 |
* First validate permission to set all of the properties |
|
1171 |
*/ |
|
2676 | 1172 |
elem = NULL; |
1173 |
while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1174 |
const char *propname = nvpair_name(elem); |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1175 |
zfs_prop_t prop = zfs_name_to_prop(propname); |
2676 | 1176 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1177 |
if (prop == ZFS_PROP_INVAL) { |
2676 | 1178 |
/* |
1179 |
* If this is a user-defined property, it must be a |
|
1180 |
* string, and there is no further validation to do. |
|
1181 |
*/ |
|
1182 |
if (!zfs_prop_user(propname) || |
|
1183 |
nvpair_type(elem) != DATA_TYPE_STRING) |
|
1184 |
return (EINVAL); |
|
1185 |
||
4543 | 1186 |
error = zfs_secpolicy_write_perms(name, |
1187 |
ZFS_DELEG_PERM_USERPROP, cr); |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1188 |
if (error) |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1189 |
return (error); |
4543 | 1190 |
continue; |
2676 | 1191 |
} |
1192 |
||
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1193 |
if ((error = zfs_secpolicy_setprop(name, prop, cr)) != 0) |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1194 |
return (error); |
2676 | 1195 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1196 |
/* |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1197 |
* Check that this value is valid for this pool version |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1198 |
*/ |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1199 |
switch (prop) { |
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1200 |
case ZFS_PROP_COMPRESSION: |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1201 |
/* |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1202 |
* If the user specified gzip compression, make sure |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1203 |
* the SPA supports it. We ignore any errors here since |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1204 |
* we'll catch them later. |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1205 |
*/ |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1206 |
if (nvpair_type(elem) == DATA_TYPE_UINT64 && |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1207 |
nvpair_value_uint64(elem, &intval) == 0 && |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1208 |
intval >= ZIO_COMPRESS_GZIP_1 && |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1209 |
intval <= ZIO_COMPRESS_GZIP_9) { |
4543 | 1210 |
spa_t *spa; |
1211 |
||
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1212 |
if (spa_open(name, &spa, FTAG) == 0) { |
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1213 |
if (spa_version(spa) < |
4577 | 1214 |
SPA_VERSION_GZIP_COMPRESSION) { |
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1215 |
spa_close(spa, FTAG); |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1216 |
return (ENOTSUP); |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1217 |
} |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1218 |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1219 |
spa_close(spa, FTAG); |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1220 |
} |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1221 |
} |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1222 |
break; |
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1223 |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1224 |
case ZFS_PROP_COPIES: |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1225 |
{ |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1226 |
spa_t *spa; |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1227 |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1228 |
if (spa_open(name, &spa, FTAG) == 0) { |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1229 |
if (spa_version(spa) < |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1230 |
SPA_VERSION_DITTO_BLOCKS) { |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1231 |
spa_close(spa, FTAG); |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1232 |
return (ENOTSUP); |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1233 |
} |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1234 |
spa_close(spa, FTAG); |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1235 |
} |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1236 |
break; |
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1237 |
} |
2676 | 1238 |
} |
4543 | 1239 |
} |
1240 |
||
1241 |
elem = NULL; |
|
1242 |
while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1243 |
const char *propname = nvpair_name(elem); |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1244 |
zfs_prop_t prop = zfs_name_to_prop(propname); |
4543 | 1245 |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1246 |
if (prop == ZFS_PROP_INVAL) { |
4543 | 1247 |
VERIFY(nvpair_value_string(elem, &strval) == 0); |
1248 |
error = dsl_prop_set(name, propname, 1, |
|
1249 |
strlen(strval) + 1, strval); |
|
1250 |
if (error == 0) |
|
1251 |
continue; |
|
1252 |
else |
|
1253 |
return (error); |
|
1254 |
} |
|
2676 | 1255 |
|
1256 |
switch (prop) { |
|
1257 |
case ZFS_PROP_QUOTA: |
|
1258 |
if ((error = nvpair_value_uint64(elem, &intval)) != 0 || |
|
4577 | 1259 |
(error = dsl_dir_set_quota(name, intval)) != 0) |
2676 | 1260 |
return (error); |
1261 |
break; |
|
1262 |
||
1263 |
case ZFS_PROP_RESERVATION: |
|
1264 |
if ((error = nvpair_value_uint64(elem, &intval)) != 0 || |
|
1265 |
(error = dsl_dir_set_reservation(name, |
|
1266 |
intval)) != 0) |
|
1267 |
return (error); |
|
1268 |
break; |
|
789 | 1269 |
|
2676 | 1270 |
case ZFS_PROP_VOLSIZE: |
1271 |
if ((error = nvpair_value_uint64(elem, &intval)) != 0 || |
|
4577 | 1272 |
(error = zvol_set_volsize(name, dev, intval)) != 0) |
2676 | 1273 |
return (error); |
1274 |
break; |
|
1275 |
||
1276 |
case ZFS_PROP_VOLBLOCKSIZE: |
|
1277 |
if ((error = nvpair_value_uint64(elem, &intval)) != 0 || |
|
4577 | 1278 |
(error = zvol_set_volblocksize(name, intval)) != 0) |
1279 |
return (error); |
|
1280 |
break; |
|
1281 |
||
1282 |
case ZFS_PROP_VERSION: |
|
1283 |
if ((error = nvpair_value_uint64(elem, &intval)) != 0 || |
|
1284 |
(error = zfs_set_version(name, intval)) != 0) |
|
2676 | 1285 |
return (error); |
1286 |
break; |
|
1287 |
||
1288 |
default: |
|
1289 |
if (nvpair_type(elem) == DATA_TYPE_STRING) { |
|
1290 |
if (zfs_prop_get_type(prop) != |
|
1291 |
prop_type_string) |
|
1292 |
return (EINVAL); |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1293 |
VERIFY(nvpair_value_string(elem, &strval) == 0); |
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1294 |
if ((error = dsl_prop_set(name, |
2676 | 1295 |
nvpair_name(elem), 1, strlen(strval) + 1, |
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1296 |
strval)) != 0) |
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1297 |
return (error); |
2676 | 1298 |
} else if (nvpair_type(elem) == DATA_TYPE_UINT64) { |
2885 | 1299 |
const char *unused; |
1300 |
||
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1301 |
VERIFY(nvpair_value_uint64(elem, &intval) == 0); |
2676 | 1302 |
|
1303 |
switch (zfs_prop_get_type(prop)) { |
|
1304 |
case prop_type_number: |
|
1305 |
break; |
|
1306 |
case prop_type_boolean: |
|
1307 |
if (intval > 1) |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1308 |
return (EINVAL); |
2676 | 1309 |
break; |
1310 |
case prop_type_string: |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1311 |
return (EINVAL); |
2676 | 1312 |
case prop_type_index: |
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1313 |
if (zfs_prop_index_to_string(prop, |
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1314 |
intval, &unused) != 0) |
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1315 |
return (EINVAL); |
2676 | 1316 |
break; |
1317 |
default: |
|
4577 | 1318 |
cmn_err(CE_PANIC, |
1319 |
"unknown property type"); |
|
2676 | 1320 |
break; |
1321 |
} |
|
1322 |
||
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1323 |
if ((error = dsl_prop_set(name, propname, |
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1324 |
8, 1, &intval)) != 0) |
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1325 |
return (error); |
2676 | 1326 |
} else { |
1327 |
return (EINVAL); |
|
1328 |
} |
|
1329 |
break; |
|
1330 |
} |
|
1331 |
} |
|
1332 |
||
1333 |
return (0); |
|
789 | 1334 |
} |
1335 |
||
1336 |
static int |
|
2676 | 1337 |
zfs_ioc_set_prop(zfs_cmd_t *zc) |
789 | 1338 |
{ |
2676 | 1339 |
nvlist_t *nvl; |
1340 |
int error; |
|
789 | 1341 |
|
2676 | 1342 |
/* |
1343 |
* If zc_value is set, then this is an attempt to inherit a value. |
|
1344 |
* Otherwise, zc_nvlist refers to a list of properties to set. |
|
1345 |
*/ |
|
1346 |
if (zc->zc_value[0] != '\0') { |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1347 |
zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1348 |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1349 |
if (prop == ZFS_PROP_INVAL) { |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1350 |
if (!zfs_prop_user(zc->zc_value)) |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1351 |
return (EINVAL); |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1352 |
error = zfs_secpolicy_write_perms(zc->zc_name, |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1353 |
ZFS_DELEG_PERM_USERPROP, |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1354 |
(cred_t *)(uintptr_t)zc->zc_cred); |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1355 |
} else { |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1356 |
if (!zfs_prop_inheritable(prop)) |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1357 |
return (EINVAL); |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1358 |
error = zfs_secpolicy_setprop(zc->zc_name, |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1359 |
prop, (cred_t *)(uintptr_t)zc->zc_cred); |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1360 |
} |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1361 |
if (error) |
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1362 |
return (error); |
2676 | 1363 |
|
1364 |
return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); |
|
1365 |
} |
|
1366 |
||
1367 |
if ((error = get_nvlist(zc, &nvl)) != 0) |
|
1368 |
return (error); |
|
1369 |
||
1370 |
error = zfs_set_prop_nvlist(zc->zc_name, zc->zc_dev, |
|
1371 |
(cred_t *)(uintptr_t)zc->zc_cred, nvl); |
|
4543 | 1372 |
|
2676 | 1373 |
nvlist_free(nvl); |
1374 |
return (error); |
|
789 | 1375 |
} |
1376 |
||
1377 |
static int |
|
4098
0a182c2128e6
6545726 make ZFS_IOC_POOL_*_PROPS in sync with zfs_ioc_pool_props_*
lling
parents:
4007
diff
changeset
|
1378 |
zfs_ioc_pool_set_props(zfs_cmd_t *zc) |
3912 | 1379 |
{ |
1380 |
nvlist_t *nvl; |
|
1381 |
int error, reset_bootfs = 0; |
|
1382 |
uint64_t objnum; |
|
4543 | 1383 |
uint64_t intval; |
3912 | 1384 |
zpool_prop_t prop; |
1385 |
nvpair_t *elem; |
|
1386 |
char *propname, *strval; |
|
1387 |
spa_t *spa; |
|
1388 |
vdev_t *rvdev; |
|
1389 |
char *vdev_type; |
|
1390 |
objset_t *os; |
|
1391 |
||
1392 |
if ((error = get_nvlist(zc, &nvl)) != 0) |
|
1393 |
return (error); |
|
1394 |
||
1395 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { |
|
1396 |
nvlist_free(nvl); |
|
1397 |
return (error); |
|
1398 |
} |
|
1399 |
||
4577 | 1400 |
if (spa_version(spa) < SPA_VERSION_BOOTFS) { |
3912 | 1401 |
nvlist_free(nvl); |
1402 |
spa_close(spa, FTAG); |
|
1403 |
return (ENOTSUP); |
|
1404 |
} |
|
1405 |
||
1406 |
elem = NULL; |
|
1407 |
while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { |
|
1408 |
||
1409 |
propname = nvpair_name(elem); |
|
1410 |
||
1411 |
if ((prop = zpool_name_to_prop(propname)) == |
|
1412 |
ZFS_PROP_INVAL) { |
|
1413 |
nvlist_free(nvl); |
|
1414 |
spa_close(spa, FTAG); |
|
1415 |
return (EINVAL); |
|
1416 |
} |
|
1417 |
||
1418 |
switch (prop) { |
|
4543 | 1419 |
case ZPOOL_PROP_DELEGATION: |
1420 |
VERIFY(nvpair_value_uint64(elem, &intval) == 0); |
|
1421 |
if (intval > 1) |
|
1422 |
error = EINVAL; |
|
1423 |
break; |
|
4451 | 1424 |
case ZPOOL_PROP_BOOTFS: |
3912 | 1425 |
/* |
1426 |
* A bootable filesystem can not be on a RAIDZ pool |
|
1427 |
* nor a striped pool with more than 1 device. |
|
1428 |
*/ |
|
1429 |
rvdev = spa->spa_root_vdev; |
|
1430 |
vdev_type = |
|
1431 |
rvdev->vdev_child[0]->vdev_ops->vdev_op_type; |
|
1432 |
if (strcmp(vdev_type, VDEV_TYPE_RAIDZ) == 0 || |
|
1433 |
(strcmp(vdev_type, VDEV_TYPE_MIRROR) != 0 && |
|
1434 |
rvdev->vdev_children > 1)) { |
|
1435 |
error = ENOTSUP; |
|
1436 |
break; |
|
1437 |
} |
|
1438 |
||
1439 |
reset_bootfs = 1; |
|
1440 |
||
1441 |
VERIFY(nvpair_value_string(elem, &strval) == 0); |
|
1442 |
if (strval == NULL || strval[0] == '\0') { |
|
4451 | 1443 |
objnum = zpool_prop_default_numeric( |
1444 |
ZPOOL_PROP_BOOTFS); |
|
3912 | 1445 |
break; |
1446 |
} |
|
1447 |
||
1448 |
if (error = dmu_objset_open(strval, DMU_OST_ZFS, |
|
1449 |
DS_MODE_STANDARD | DS_MODE_READONLY, &os)) |
|
1450 |
break; |
|
1451 |
objnum = dmu_objset_id(os); |
|
1452 |
dmu_objset_close(os); |
|
1453 |
break; |
|
1454 |
} |
|
1455 |
||
1456 |
if (error) |
|
1457 |
break; |
|
1458 |
} |
|
1459 |
if (error == 0) { |
|
1460 |
if (reset_bootfs) { |
|
1461 |
VERIFY(nvlist_remove(nvl, |
|
4451 | 1462 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
3912 | 1463 |
DATA_TYPE_STRING) == 0); |
1464 |
VERIFY(nvlist_add_uint64(nvl, |
|
4451 | 1465 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
1466 |
objnum) == 0); |
|
3912 | 1467 |
} |
1468 |
error = spa_set_props(spa, nvl); |
|
1469 |
} |
|
1470 |
||
1471 |
nvlist_free(nvl); |
|
1472 |
spa_close(spa, FTAG); |
|
1473 |
||
1474 |
return (error); |
|
1475 |
} |
|
1476 |
||
1477 |
static int |
|
4098
0a182c2128e6
6545726 make ZFS_IOC_POOL_*_PROPS in sync with zfs_ioc_pool_props_*
lling
parents:
4007
diff
changeset
|
1478 |
zfs_ioc_pool_get_props(zfs_cmd_t *zc) |
3912 | 1479 |
{ |
1480 |
spa_t *spa; |
|
1481 |
int error; |
|
1482 |
nvlist_t *nvp = NULL; |
|
1483 |
||
1484 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
|
1485 |
return (error); |
|
1486 |
||
1487 |
error = spa_get_props(spa, &nvp); |
|
1488 |
||
1489 |
if (error == 0 && zc->zc_nvlist_dst != NULL) |
|
1490 |
error = put_nvlist(zc, nvp); |
|
1491 |
else |
|
1492 |
error = EFAULT; |
|
1493 |
||
1494 |
spa_close(spa, FTAG); |
|
1495 |
||
1496 |
if (nvp) |
|
1497 |
nvlist_free(nvp); |
|
1498 |
return (error); |
|
1499 |
} |
|
1500 |
||
1501 |
static int |
|
4543 | 1502 |
zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) |
1503 |
{ |
|
1504 |
nvlist_t *nvp; |
|
1505 |
int error; |
|
1506 |
uint32_t uid; |
|
1507 |
uint32_t gid; |
|
1508 |
uint32_t *groups; |
|
1509 |
uint_t group_cnt; |
|
1510 |
cred_t *usercred; |
|
1511 |
||
1512 |
if ((error = get_nvlist(zc, &nvp)) != 0) { |
|
1513 |
return (error); |
|
1514 |
} |
|
1515 |
||
1516 |
if ((error = nvlist_lookup_uint32(nvp, |
|
1517 |
ZFS_DELEG_PERM_UID, &uid)) != 0) { |
|
1518 |
nvlist_free(nvp); |
|
1519 |
return (EPERM); |
|
1520 |
} |
|
1521 |
||
1522 |
if ((error = nvlist_lookup_uint32(nvp, |
|
1523 |
ZFS_DELEG_PERM_GID, &gid)) != 0) { |
|
1524 |
nvlist_free(nvp); |
|
1525 |
return (EPERM); |
|
1526 |
} |
|
1527 |
||
1528 |
if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, |
|
1529 |
&groups, &group_cnt)) != 0) { |
|
1530 |
nvlist_free(nvp); |
|
1531 |
return (EPERM); |
|
1532 |
} |
|
1533 |
usercred = cralloc(); |
|
1534 |
if ((crsetugid(usercred, uid, gid) != 0) || |
|
1535 |
(crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { |
|
1536 |
nvlist_free(nvp); |
|
1537 |
crfree(usercred); |
|
1538 |
return (EPERM); |
|
1539 |
} |
|
1540 |
nvlist_free(nvp); |
|
1541 |
error = dsl_deleg_access(zc->zc_name, |
|
1542 |
ZFS_DELEG_PERM_SHAREISCSI, usercred); |
|
1543 |
crfree(usercred); |
|
1544 |
return (error); |
|
1545 |
} |
|
1546 |
||
1547 |
static int |
|
1548 |
zfs_ioc_set_fsacl(zfs_cmd_t *zc) |
|
1549 |
{ |
|
1550 |
int error; |
|
1551 |
nvlist_t *fsaclnv = NULL; |
|
1552 |
cred_t *cr; |
|
1553 |
||
1554 |
if ((error = get_nvlist(zc, &fsaclnv)) != 0) |
|
1555 |
return (error); |
|
1556 |
||
1557 |
/* |
|
1558 |
* Verify nvlist is constructed correctly |
|
1559 |
*/ |
|
1560 |
if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { |
|
1561 |
nvlist_free(fsaclnv); |
|
1562 |
return (EINVAL); |
|
1563 |
} |
|
1564 |
||
1565 |
/* |
|
1566 |
* If we don't have PRIV_SYS_MOUNT, then validate |
|
1567 |
* that user is allowed to hand out each permission in |
|
1568 |
* the nvlist(s) |
|
1569 |
*/ |
|
1570 |
||
1571 |
cr = (cred_t *)(uintptr_t)zc->zc_cred; |
|
1572 |
error = secpolicy_zfs(cr); |
|
1573 |
if (error) { |
|
1574 |
if (zc->zc_perm_action == B_FALSE) |
|
1575 |
error = dsl_deleg_can_allow(zc->zc_name, fsaclnv, cr); |
|
1576 |
else |
|
1577 |
error = dsl_deleg_can_unallow(zc->zc_name, fsaclnv, cr); |
|
1578 |
} |
|
1579 |
||
1580 |
if (error == 0) |
|
1581 |
error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); |
|
1582 |
||
1583 |
nvlist_free(fsaclnv); |
|
1584 |
return (error); |
|
1585 |
} |
|
1586 |
||
1587 |
static int |
|
1588 |
zfs_ioc_get_fsacl(zfs_cmd_t *zc) |
|
1589 |
{ |
|
1590 |
nvlist_t *nvp; |
|
1591 |
int error; |
|
1592 |
||
1593 |
if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { |
|
1594 |
error = put_nvlist(zc, nvp); |
|
1595 |
nvlist_free(nvp); |
|
1596 |
} |
|
1597 |
||
1598 |
return (error); |
|
1599 |
} |
|
1600 |
||
1601 |
static int |
|
789 | 1602 |
zfs_ioc_create_minor(zfs_cmd_t *zc) |
1603 |
{ |
|
2676 | 1604 |
return (zvol_create_minor(zc->zc_name, zc->zc_dev)); |
789 | 1605 |
} |
1606 |
||
1607 |
static int |
|
1608 |
zfs_ioc_remove_minor(zfs_cmd_t *zc) |
|
1609 |
{ |
|
2676 | 1610 |
return (zvol_remove_minor(zc->zc_name)); |
789 | 1611 |
} |
1612 |
||
1613 |
/* |
|
1614 |
* Search the vfs list for a specified resource. Returns a pointer to it |
|
1615 |
* or NULL if no suitable entry is found. The caller of this routine |
|
1616 |
* is responsible for releasing the returned vfs pointer. |
|
1617 |
*/ |
|
1618 |
static vfs_t * |
|
1619 |
zfs_get_vfs(const char *resource) |
|
1620 |
{ |
|
1621 |
struct vfs *vfsp; |
|
1622 |
struct vfs *vfs_found = NULL; |
|
1623 |
||
1624 |
vfs_list_read_lock(); |
|
1625 |
vfsp = rootvfs; |
|
1626 |
do { |
|
1627 |
if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { |
|
1628 |
VFS_HOLD(vfsp); |
|
1629 |
vfs_found = vfsp; |
|
1630 |
break; |
|
1631 |
} |
|
1632 |
vfsp = vfsp->vfs_next; |
|
1633 |
} while (vfsp != rootvfs); |
|
1634 |
vfs_list_unlock(); |
|
1635 |
return (vfs_found); |
|
1636 |
} |
|
1637 |
||
4543 | 1638 |
/* ARGSUSED */ |
789 | 1639 |
static void |
4543 | 1640 |
zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) |
789 | 1641 |
{ |
4577 | 1642 |
nvlist_t *nvprops = arg; |
1643 |
uint64_t version = ZPL_VERSION; |
|
1644 |
||
1645 |
(void) nvlist_lookup_uint64(nvprops, |
|
1646 |
zfs_prop_to_name(ZFS_PROP_VERSION), &version); |
|
1647 |
||
1648 |
zfs_create_fs(os, cr, version, tx); |
|
789 | 1649 |
} |
1650 |
||
1651 |
static int |
|
1652 |
zfs_ioc_create(zfs_cmd_t *zc) |
|
1653 |
{ |
|
1654 |
objset_t *clone; |
|
1655 |
int error = 0; |
|
4543 | 1656 |
nvlist_t *nvprops = NULL; |
1657 |
void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); |
|
789 | 1658 |
dmu_objset_type_t type = zc->zc_objset_type; |
1659 |
||
1660 |
switch (type) { |
|
1661 |
||
1662 |
case DMU_OST_ZFS: |
|
1663 |
cbfunc = zfs_create_cb; |
|
1664 |
break; |
|
1665 |
||
1666 |
case DMU_OST_ZVOL: |
|
1667 |
cbfunc = zvol_create_cb; |
|
1668 |
break; |
|
1669 |
||
1670 |
default: |
|
2199 | 1671 |
cbfunc = NULL; |
1672 |
} |
|
1673 |
if (strchr(zc->zc_name, '@')) |
|
789 | 1674 |
return (EINVAL); |
1675 |
||
2676 | 1676 |
if (zc->zc_nvlist_src != NULL && |
4543 | 1677 |
(error = get_nvlist(zc, &nvprops)) != 0) |
2676 | 1678 |
return (error); |
1679 |
||
1680 |
if (zc->zc_value[0] != '\0') { |
|
789 | 1681 |
/* |
1682 |
* We're creating a clone of an existing snapshot. |
|
1683 |
*/ |
|
2676 | 1684 |
zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; |
1685 |
if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { |
|
4543 | 1686 |
nvlist_free(nvprops); |
789 | 1687 |
return (EINVAL); |
2676 | 1688 |
} |
789 | 1689 |
|
2676 | 1690 |
error = dmu_objset_open(zc->zc_value, type, |
789 | 1691 |
DS_MODE_STANDARD | DS_MODE_READONLY, &clone); |
2676 | 1692 |
if (error) { |
4543 | 1693 |
nvlist_free(nvprops); |
789 | 1694 |
return (error); |
2676 | 1695 |
} |
789 | 1696 |
error = dmu_objset_create(zc->zc_name, type, clone, NULL, NULL); |
1697 |
dmu_objset_close(clone); |
|
1698 |
} else { |
|
2676 | 1699 |
if (cbfunc == NULL) { |
4543 | 1700 |
nvlist_free(nvprops); |
2199 | 1701 |
return (EINVAL); |
2676 | 1702 |
} |
1703 |
||
789 | 1704 |
if (type == DMU_OST_ZVOL) { |
2676 | 1705 |
uint64_t volsize, volblocksize; |
1706 |
||
4543 | 1707 |
if (nvprops == NULL || |
1708 |
nvlist_lookup_uint64(nvprops, |
|
2676 | 1709 |
zfs_prop_to_name(ZFS_PROP_VOLSIZE), |
1710 |
&volsize) != 0) { |
|
4543 | 1711 |
nvlist_free(nvprops); |
2676 | 1712 |
return (EINVAL); |
1713 |
} |
|
1714 |
||
4543 | 1715 |
if ((error = nvlist_lookup_uint64(nvprops, |
2676 | 1716 |
zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), |
1717 |
&volblocksize)) != 0 && error != ENOENT) { |
|
4543 | 1718 |
nvlist_free(nvprops); |
2676 | 1719 |
return (EINVAL); |
1720 |
} |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
1721 |
|
2676 | 1722 |
if (error != 0) |
1723 |
volblocksize = zfs_prop_default_numeric( |
|
1724 |
ZFS_PROP_VOLBLOCKSIZE); |
|
1725 |
||
1726 |
if ((error = zvol_check_volblocksize( |
|
1727 |
volblocksize)) != 0 || |
|
1728 |
(error = zvol_check_volsize(volsize, |
|
1729 |
volblocksize)) != 0) { |
|
4543 | 1730 |
nvlist_free(nvprops); |
789 | 1731 |
return (error); |
2676 | 1732 |
} |
4577 | 1733 |
} else if (type == DMU_OST_ZFS) { |
1734 |
uint64_t version; |
|
1735 |
||
1736 |
if (0 == nvlist_lookup_uint64(nvprops, |
|
1737 |
zfs_prop_to_name(ZFS_PROP_VERSION), &version) && |
|
1738 |
(version < ZPL_VERSION_INITIAL || |
|
1739 |
version > ZPL_VERSION)) { |
|
1740 |
nvlist_free(nvprops); |
|
1741 |
return (EINVAL); |
|
1742 |
} |
|
2676 | 1743 |
} |
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
1744 |
|
2676 | 1745 |
error = dmu_objset_create(zc->zc_name, type, NULL, cbfunc, |
4543 | 1746 |
nvprops); |
789 | 1747 |
} |
2676 | 1748 |
|
1749 |
/* |
|
1750 |
* It would be nice to do this atomically. |
|
1751 |
*/ |
|
1752 |
if (error == 0) { |
|
1753 |
if ((error = zfs_set_prop_nvlist(zc->zc_name, |
|
1754 |
zc->zc_dev, (cred_t *)(uintptr_t)zc->zc_cred, |
|
4543 | 1755 |
nvprops)) != 0) |
2676 | 1756 |
(void) dmu_objset_destroy(zc->zc_name); |
1757 |
} |
|
1758 |
||
4543 | 1759 |
nvlist_free(nvprops); |
789 | 1760 |
return (error); |
1761 |
} |
|
1762 |
||
1763 |
static int |
|
2199 | 1764 |
zfs_ioc_snapshot(zfs_cmd_t *zc) |
1765 |
{ |
|
2676 | 1766 |
if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
2199 | 1767 |
return (EINVAL); |
1768 |
return (dmu_objset_snapshot(zc->zc_name, |
|
2676 | 1769 |
zc->zc_value, zc->zc_cookie)); |
2199 | 1770 |
} |
1771 |
||
4007 | 1772 |
int |
2199 | 1773 |
zfs_unmount_snap(char *name, void *arg) |
789 | 1774 |
{ |
2199 | 1775 |
char *snapname = arg; |
1776 |
char *cp; |
|
2417 | 1777 |
vfs_t *vfsp = NULL; |
2199 | 1778 |
|
1779 |
/* |
|
1780 |
* Snapshots (which are under .zfs control) must be unmounted |
|
1781 |
* before they can be destroyed. |
|
1782 |
*/ |
|
1783 |
||
1784 |
if (snapname) { |
|
1785 |
(void) strcat(name, "@"); |
|
1786 |
(void) strcat(name, snapname); |
|
1787 |
vfsp = zfs_get_vfs(name); |
|
1788 |
cp = strchr(name, '@'); |
|
1789 |
*cp = '\0'; |
|
2417 | 1790 |
} else if (strchr(name, '@')) { |
2199 | 1791 |
vfsp = zfs_get_vfs(name); |
1792 |
} |
|
1793 |
||
1794 |
if (vfsp) { |
|
1795 |
/* |
|
1796 |
* Always force the unmount for snapshots. |
|
1797 |
*/ |
|
1798 |
int flag = MS_FORCE; |
|
789 | 1799 |
int err; |
1800 |
||
2199 | 1801 |
if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { |
1802 |
VFS_RELE(vfsp); |
|
1803 |
return (err); |
|
1804 |
} |
|
1805 |
VFS_RELE(vfsp); |
|
1806 |
if ((err = dounmount(vfsp, flag, kcred)) != 0) |
|
1807 |
return (err); |
|
1808 |
} |
|
1809 |
return (0); |
|
1810 |
} |
|
1811 |
||
1812 |
static int |
|
1813 |
zfs_ioc_destroy_snaps(zfs_cmd_t *zc) |
|
1814 |
{ |
|
1815 |
int err; |
|
789 | 1816 |
|
2676 | 1817 |
if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
2199 | 1818 |
return (EINVAL); |
1819 |
err = dmu_objset_find(zc->zc_name, |
|
2676 | 1820 |
zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); |
2199 | 1821 |
if (err) |
1822 |
return (err); |
|
2676 | 1823 |
return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value)); |
2199 | 1824 |
} |
1825 |
||
1826 |
static int |
|
1827 |
zfs_ioc_destroy(zfs_cmd_t *zc) |
|
1828 |
{ |
|
1829 |
if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { |
|
1830 |
int err = zfs_unmount_snap(zc->zc_name, NULL); |
|
1831 |
if (err) |
|
1832 |
return (err); |
|
789 | 1833 |
} |
1834 |
||
1835 |
return (dmu_objset_destroy(zc->zc_name)); |
|
1836 |
} |
|
1837 |
||
1838 |
static int |
|
1839 |
zfs_ioc_rollback(zfs_cmd_t *zc) |
|
1840 |
{ |
|
1841 |
return (dmu_objset_rollback(zc->zc_name)); |
|
1842 |
} |
|
1843 |
||
1844 |
static int |
|
1845 |
zfs_ioc_rename(zfs_cmd_t *zc) |
|
1846 |
{ |
|
4490 | 1847 |
boolean_t recursive = zc->zc_cookie & 1; |
4007 | 1848 |
|
2676 | 1849 |
zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; |
1850 |
if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) |
|
789 | 1851 |
return (EINVAL); |
1852 |
||
4007 | 1853 |
/* |
1854 |
* Unmount snapshot unless we're doing a recursive rename, |
|
1855 |
* in which case the dataset code figures out which snapshots |
|
1856 |
* to unmount. |
|
1857 |
*/ |
|
1858 |
if (!recursive && strchr(zc->zc_name, '@') != NULL && |
|
789 | 1859 |
zc->zc_objset_type == DMU_OST_ZFS) { |
2199 | 1860 |
int err = zfs_unmount_snap(zc->zc_name, NULL); |
1861 |
if (err) |
|
1862 |
return (err); |
|
789 | 1863 |
} |
1864 |
||
4007 | 1865 |
return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); |
789 | 1866 |
} |
1867 |
||
1868 |
static int |
|
1869 |
zfs_ioc_recvbackup(zfs_cmd_t *zc) |
|
1870 |
{ |
|
1871 |
file_t *fp; |
|
1872 |
int error, fd; |
|
2885 | 1873 |
offset_t new_off; |
789 | 1874 |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1875 |
if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1876 |
strchr(zc->zc_value, '@') == NULL) |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1877 |
return (EINVAL); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
1878 |
|
789 | 1879 |
fd = zc->zc_cookie; |
1880 |
fp = getf(fd); |
|
1881 |
if (fp == NULL) |
|
1882 |
return (EBADF); |
|
2676 | 1883 |
error = dmu_recvbackup(zc->zc_value, &zc->zc_begin_record, |
1884 |
&zc->zc_cookie, (boolean_t)zc->zc_guid, fp->f_vnode, |
|
2665 | 1885 |
fp->f_offset); |
2885 | 1886 |
|
1887 |
new_off = fp->f_offset + zc->zc_cookie; |
|
1888 |
if (VOP_SEEK(fp->f_vnode, fp->f_offset, &new_off) == 0) |
|
1889 |
fp->f_offset = new_off; |
|
1890 |
||
789 | 1891 |
releasef(fd); |
1892 |
return (error); |
|
1893 |
} |
|
1894 |
||
1895 |
static int |
|
1896 |
zfs_ioc_sendbackup(zfs_cmd_t *zc) |
|
1897 |
{ |
|
1898 |
objset_t *fromsnap = NULL; |
|
1899 |
objset_t *tosnap; |
|
1900 |
file_t *fp; |
|
1901 |
int error; |
|
1902 |
||
1903 |
error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, |
|
1904 |
DS_MODE_STANDARD | DS_MODE_READONLY, &tosnap); |
|
1905 |
if (error) |
|
1906 |
return (error); |
|
1907 |
||
2676 | 1908 |
if (zc->zc_value[0] != '\0') { |
2885 | 1909 |
char buf[MAXPATHLEN]; |
1910 |
char *cp; |
|
1911 |
||
1912 |
(void) strncpy(buf, zc->zc_name, sizeof (buf)); |
|
1913 |
cp = strchr(buf, '@'); |
|
1914 |
if (cp) |
|
1915 |
*(cp+1) = 0; |
|
1916 |
(void) strncat(buf, zc->zc_value, sizeof (buf)); |
|
1917 |
error = dmu_objset_open(buf, DMU_OST_ANY, |
|
789 | 1918 |
DS_MODE_STANDARD | DS_MODE_READONLY, &fromsnap); |
1919 |
if (error) { |
|
1920 |
dmu_objset_close(tosnap); |
|
1921 |
return (error); |
|
1922 |
} |
|
1923 |
} |
|
1924 |
||
1925 |
fp = getf(zc->zc_cookie); |
|
1926 |
if (fp == NULL) { |
|
1927 |
dmu_objset_close(tosnap); |
|
1928 |
if (fromsnap) |
|
1929 |
dmu_objset_close(fromsnap); |
|
1930 |
return (EBADF); |
|
1931 |
} |
|
1932 |
||
1933 |
error = dmu_sendbackup(tosnap, fromsnap, fp->f_vnode); |
|
1934 |
||
1935 |
releasef(zc->zc_cookie); |
|
1936 |
if (fromsnap) |
|
1937 |
dmu_objset_close(fromsnap); |
|
1938 |
dmu_objset_close(tosnap); |
|
1939 |
return (error); |
|
1940 |
} |
|
1941 |
||
1544 | 1942 |
static int |
1943 |
zfs_ioc_inject_fault(zfs_cmd_t *zc) |
|
1944 |
{ |
|
1945 |
int id, error; |
|
1946 |
||
1947 |
error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, |
|
1948 |
&zc->zc_inject_record); |
|
1949 |
||
1950 |
if (error == 0) |
|
1951 |
zc->zc_guid = (uint64_t)id; |
|
1952 |
||
1953 |
return (error); |
|
1954 |
} |
|
1955 |
||
1956 |
static int |
|
1957 |
zfs_ioc_clear_fault(zfs_cmd_t *zc) |
|
1958 |
{ |
|
1959 |
return (zio_clear_fault((int)zc->zc_guid)); |
|
1960 |
} |
|
1961 |
||
1962 |
static int |
|
1963 |
zfs_ioc_inject_list_next(zfs_cmd_t *zc) |
|
1964 |
{ |
|
1965 |
int id = (int)zc->zc_guid; |
|
1966 |
int error; |
|
1967 |
||
1968 |
error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), |
|
1969 |
&zc->zc_inject_record); |
|
1970 |
||
1971 |
zc->zc_guid = id; |
|
1972 |
||
1973 |
return (error); |
|
1974 |
} |
|
1975 |
||
1976 |
static int |
|
1977 |
zfs_ioc_error_log(zfs_cmd_t *zc) |
|
1978 |
{ |
|
1979 |
spa_t *spa; |
|
1980 |
int error; |
|
2676 | 1981 |
size_t count = (size_t)zc->zc_nvlist_dst_size; |
1544 | 1982 |
|
1983 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
|
1984 |
return (error); |
|
1985 |
||
2676 | 1986 |
error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, |
1544 | 1987 |
&count); |
1988 |
if (error == 0) |
|
2676 | 1989 |
zc->zc_nvlist_dst_size = count; |
1544 | 1990 |
else |
2676 | 1991 |
zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); |
1544 | 1992 |
|
1993 |
spa_close(spa, FTAG); |
|
1994 |
||
1995 |
return (error); |
|
1996 |
} |
|
1997 |
||
1998 |
static int |
|
1999 |
zfs_ioc_clear(zfs_cmd_t *zc) |
|
2000 |
{ |
|
2001 |
spa_t *spa; |
|
2002 |
vdev_t *vd; |
|
2003 |
int error; |
|
4451 | 2004 |
uint64_t txg; |
1544 | 2005 |
|
2006 |
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
|
2007 |
return (error); |
|
2008 |
||
4451 | 2009 |
txg = spa_vdev_enter(spa); |
1544 | 2010 |
|
2676 | 2011 |
if (zc->zc_guid == 0) { |
1544 | 2012 |
vd = NULL; |
2676 | 2013 |
} else if ((vd = spa_lookup_by_guid(spa, zc->zc_guid)) == NULL) { |
4451 | 2014 |
(void) spa_vdev_exit(spa, NULL, txg, ENODEV); |
1544 | 2015 |
spa_close(spa, FTAG); |
2016 |
return (ENODEV); |
|
2017 |
} |
|
2018 |
||
2019 |
vdev_clear(spa, vd); |
|
2020 |
||
4451 | 2021 |
(void) spa_vdev_exit(spa, NULL, txg, 0); |
1544 | 2022 |
|
2023 |
spa_close(spa, FTAG); |
|
2024 |
||
2025 |
return (0); |
|
2026 |
} |
|
2027 |
||
2028 |
static int |
|
2082 | 2029 |
zfs_ioc_promote(zfs_cmd_t *zc) |
2030 |
{ |
|
2417 | 2031 |
char *cp; |
2032 |
||
2033 |
/* |
|
2034 |
* We don't need to unmount *all* the origin fs's snapshots, but |
|
2035 |
* it's easier. |
|
2036 |
*/ |
|
2676 | 2037 |
cp = strchr(zc->zc_value, '@'); |
2417 | 2038 |
if (cp) |
2039 |
*cp = '\0'; |
|
2676 | 2040 |
(void) dmu_objset_find(zc->zc_value, |
2417 | 2041 |
zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); |
2082 | 2042 |
return (dsl_dataset_promote(zc->zc_name)); |
2043 |
} |
|
2044 |
||
4543 | 2045 |
/* |
2046 |
* We don't want to have a hard dependency |
|
2047 |
* against some special symbols in sharefs |
|
2048 |
* and nfs. Determine them if needed when |
|
2049 |
* the first file system is shared. |
|
2050 |
* Neither sharefs or nfs are unloadable modules. |
|
2051 |
*/ |
|
2052 |
int (*zexport_fs)(void *arg); |
|
2053 |
int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); |
|
2054 |
||
2055 |
int zfs_share_inited; |
|
2056 |
ddi_modhandle_t nfs_mod; |
|
2057 |
ddi_modhandle_t sharefs_mod; |
|
2058 |
kmutex_t zfs_share_lock; |
|
2059 |
||
2060 |
static int |
|
2061 |
zfs_ioc_share(zfs_cmd_t *zc) |
|
2062 |
{ |
|
2063 |
int error; |
|
2064 |
int opcode; |
|
2065 |
||
2066 |
if (zfs_share_inited == 0) { |
|
2067 |
mutex_enter(&zfs_share_lock); |
|
2068 |
nfs_mod = ddi_modopen("fs/nfs", KRTLD_MODE_FIRST, &error); |
|
2069 |
sharefs_mod = ddi_modopen("fs/sharefs", |
|
2070 |
KRTLD_MODE_FIRST, &error); |
|
2071 |
if (nfs_mod == NULL || sharefs_mod == NULL) { |
|
2072 |
mutex_exit(&zfs_share_lock); |
|
2073 |
return (ENOSYS); |
|
2074 |
} |
|
2075 |
if (zexport_fs == NULL && ((zexport_fs = (int (*)(void *)) |
|
2076 |
ddi_modsym(nfs_mod, "nfs_export", &error)) == NULL)) { |
|
2077 |
mutex_exit(&zfs_share_lock); |
|
2078 |
return (ENOSYS); |
|
2079 |
} |
|
2080 |
||
2081 |
if (zshare_fs == NULL && ((zshare_fs = |
|
2082 |
(int (*)(enum sharefs_sys_op, share_t *, uint32_t)) |
|
2083 |
ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { |
|
2084 |
mutex_exit(&zfs_share_lock); |
|
2085 |
return (ENOSYS); |
|
2086 |
} |
|
2087 |
zfs_share_inited = 1; |
|
2088 |
mutex_exit(&zfs_share_lock); |
|
2089 |
} |
|
2090 |
||
2091 |
if (error = zexport_fs((void *)(uintptr_t)zc->zc_share.z_exportdata)) |
|
2092 |
return (error); |
|
2093 |
||
2094 |
opcode = (zc->zc_share.z_sharetype == B_TRUE) ? |
|
2095 |
SHAREFS_ADD : SHAREFS_REMOVE; |
|
2096 |
||
2097 |
error = zshare_fs(opcode, |
|
2098 |
(void *)(uintptr_t)zc->zc_share.z_sharedata, |
|
2099 |
zc->zc_share.z_sharemax); |
|
2100 |
||
2101 |
return (error); |
|
2102 |
||
2103 |
} |
|
2104 |
||
2105 |
/* |
|
2106 |
* pool destroy and pool export don't log the history as part of zfsdev_ioctl, |
|
2107 |
* but rather zfs_ioc_pool_create, and zfs_ioc_pool_export do the loggin |
|
2108 |
* of those commands. |
|
2109 |
*/ |
|
789 | 2110 |
static zfs_ioc_vec_t zfs_ioc_vec[] = { |
4577 | 2111 |
{ zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
2112 |
{ zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
|
2113 |
{ zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2114 |
{ zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
|
2115 |
{ zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE }, |
|
2116 |
{ zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE }, |
|
2117 |
{ zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE }, |
|
2118 |
{ zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2119 |
{ zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE }, |
|
2120 |
{ zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2121 |
{ zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
|
2122 |
{ zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2123 |
{ zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2124 |
{ zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2125 |
{ zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2126 |
{ zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2127 |
{ zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
|
2128 |
{ zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, |
|
4543 | 2129 |
{ zfs_ioc_dataset_list_next, zfs_secpolicy_read, |
4577 | 2130 |
DATASET_NAME, B_FALSE }, |
4543 | 2131 |
{ zfs_ioc_snapshot_list_next, zfs_secpolicy_read, |
4577 | 2132 |
DATASET_NAME, B_FALSE }, |
2133 |
{ zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE }, |
|
2134 |
{ zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, |
|
2135 |
{ zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, |
|
2136 |
{ zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE }, |
|
2137 |
{ zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, |
|
2138 |
{ zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE }, |
|
2139 |
{ zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE }, |
|
2140 |
{ zfs_ioc_recvbackup, zfs_secpolicy_receive, DATASET_NAME, B_TRUE }, |
|
2141 |
{ zfs_ioc_sendbackup, zfs_secpolicy_send, DATASET_NAME, B_TRUE }, |
|
2142 |
{ zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, |
|
2143 |
{ zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, |
|
2144 |
{ zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE }, |
|
2145 |
{ zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE }, |
|
2146 |
{ zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2147 |
{ zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE }, |
|
2148 |
{ zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, |
|
2149 |
{ zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE }, |
|
2150 |
{ zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
|
2151 |
{ zfs_ioc_obj_to_path, zfs_secpolicy_config, NO_NAME, B_FALSE }, |
|
2152 |
{ zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE }, |
|
2153 |
{ zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE }, |
|
2154 |
{ zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE }, |
|
2155 |
{ zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, |
|
4543 | 2156 |
{ zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, |
4577 | 2157 |
DATASET_NAME, B_FALSE }, |
2158 |
{ zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE } |
|
789 | 2159 |
}; |
2160 |
||
2161 |
static int |
|
2162 |
zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) |
|
2163 |
{ |
|
2164 |
zfs_cmd_t *zc; |
|
2165 |
uint_t vec; |
|
2199 | 2166 |
int error, rc; |
789 | 2167 |
|
2168 |
if (getminor(dev) != 0) |
|
2169 |
return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); |
|
2170 |
||
2171 |
vec = cmd - ZFS_IOC; |
|
2172 |
||
2173 |
if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) |
|
2174 |
return (EINVAL); |
|
2175 |
||
2176 |
zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); |
|
2177 |
||
2178 |
error = xcopyin((void *)arg, zc, sizeof (zfs_cmd_t)); |
|
2179 |
||
2180 |
if (error == 0) { |
|
2181 |
zc->zc_cred = (uintptr_t)cr; |
|
2182 |
zc->zc_dev = dev; |
|
4543 | 2183 |
error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); |
789 | 2184 |
} |
2185 |
||
2186 |
/* |
|
2187 |
* Ensure that all pool/dataset names are valid before we pass down to |
|
2188 |
* the lower layers. |
|
2189 |
*/ |
|
2190 |
if (error == 0) { |
|
2191 |
zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; |
|
2192 |
switch (zfs_ioc_vec[vec].zvec_namecheck) { |
|
4577 | 2193 |
case POOL_NAME: |
789 | 2194 |
if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) |
2195 |
error = EINVAL; |
|
2196 |
break; |
|
2197 |
||
4577 | 2198 |
case DATASET_NAME: |
789 | 2199 |
if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) |
2200 |
error = EINVAL; |
|
2201 |
break; |
|
2856 | 2202 |
|
4577 | 2203 |
case NO_NAME: |
2856 | 2204 |
break; |
789 | 2205 |
} |
2206 |
} |
|
2207 |
||
2208 |
if (error == 0) |
|
2209 |
error = zfs_ioc_vec[vec].zvec_func(zc); |
|
2210 |
||
2199 | 2211 |
rc = xcopyout(zc, (void *)arg, sizeof (zfs_cmd_t)); |
4543 | 2212 |
if (error == 0) { |
2199 | 2213 |
error = rc; |
4543 | 2214 |
if (zfs_ioc_vec[vec].zvec_his_log == B_TRUE) |
2215 |
zfs_log_history(zc); |
|
2216 |
} |
|
789 | 2217 |
|
2218 |
kmem_free(zc, sizeof (zfs_cmd_t)); |
|
2219 |
return (error); |
|
2220 |
} |
|
2221 |
||
2222 |
static int |
|
2223 |
zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) |
|
2224 |
{ |
|
2225 |
if (cmd != DDI_ATTACH) |
|
2226 |
return (DDI_FAILURE); |
|
2227 |
||
2228 |
if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, |
|
2229 |
DDI_PSEUDO, 0) == DDI_FAILURE) |
|
2230 |
return (DDI_FAILURE); |
|
2231 |
||
2232 |
zfs_dip = dip; |
|
2233 |
||
2234 |
ddi_report_dev(dip); |
|
2235 |
||
2236 |
return (DDI_SUCCESS); |
|
2237 |
} |
|
2238 |
||
2239 |
static int |
|
2240 |
zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) |
|
2241 |
{ |
|
2242 |
if (spa_busy() || zfs_busy() || zvol_busy()) |
|
2243 |
return (DDI_FAILURE); |
|
2244 |
||
2245 |
if (cmd != DDI_DETACH) |
|
2246 |
return (DDI_FAILURE); |
|
2247 |
||
2248 |
zfs_dip = NULL; |
|
2249 |
||
2250 |
ddi_prop_remove_all(dip); |
|
2251 |
ddi_remove_minor_node(dip, NULL); |
|
2252 |
||
2253 |
return (DDI_SUCCESS); |
|
2254 |
} |
|
2255 |
||
2256 |
/*ARGSUSED*/ |
|
2257 |
static int |
|
2258 |
zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) |
|
2259 |
{ |
|
2260 |
switch (infocmd) { |
|
2261 |
case DDI_INFO_DEVT2DEVINFO: |
|
2262 |
*result = zfs_dip; |
|
2263 |
return (DDI_SUCCESS); |
|
2264 |
||
2265 |
case DDI_INFO_DEVT2INSTANCE: |
|
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2266 |
*result = (void *)0; |
789 | 2267 |
return (DDI_SUCCESS); |
2268 |
} |
|
2269 |
||
2270 |
return (DDI_FAILURE); |
|
2271 |
} |
|
2272 |
||
2273 |
/* |
|
2274 |
* OK, so this is a little weird. |
|
2275 |
* |
|
2276 |
* /dev/zfs is the control node, i.e. minor 0. |
|
2277 |
* /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. |
|
2278 |
* |
|
2279 |
* /dev/zfs has basically nothing to do except serve up ioctls, |
|
2280 |
* so most of the standard driver entry points are in zvol.c. |
|
2281 |
*/ |
|
2282 |
static struct cb_ops zfs_cb_ops = { |
|
2283 |
zvol_open, /* open */ |
|
2284 |
zvol_close, /* close */ |
|
2285 |
zvol_strategy, /* strategy */ |
|
2286 |
nodev, /* print */ |
|
2287 |
nodev, /* dump */ |
|
2288 |
zvol_read, /* read */ |
|
2289 |
zvol_write, /* write */ |
|
2290 |
zfsdev_ioctl, /* ioctl */ |
|
2291 |
nodev, /* devmap */ |
|
2292 |
nodev, /* mmap */ |
|
2293 |
nodev, /* segmap */ |
|
2294 |
nochpoll, /* poll */ |
|
2295 |
ddi_prop_op, /* prop_op */ |
|
2296 |
NULL, /* streamtab */ |
|
2297 |
D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ |
|
2298 |
CB_REV, /* version */ |
|
3638
6b28ebc717aa
6496357 spec_fsync() is useless on devices that do write caching
billm
parents:
3444
diff
changeset
|
2299 |
nodev, /* async read */ |
6b28ebc717aa
6496357 spec_fsync() is useless on devices that do write caching
billm
parents:
3444
diff
changeset
|
2300 |
nodev, /* async write */ |
789 | 2301 |
}; |
2302 |
||
2303 |
static struct dev_ops zfs_dev_ops = { |
|
2304 |
DEVO_REV, /* version */ |
|
2305 |
0, /* refcnt */ |
|
2306 |
zfs_info, /* info */ |
|
2307 |
nulldev, /* identify */ |
|
2308 |
nulldev, /* probe */ |
|
2309 |
zfs_attach, /* attach */ |
|
2310 |
zfs_detach, /* detach */ |
|
2311 |
nodev, /* reset */ |
|
2312 |
&zfs_cb_ops, /* driver operations */ |
|
2313 |
NULL /* no bus operations */ |
|
2314 |
}; |
|
2315 |
||
2316 |
static struct modldrv zfs_modldrv = { |
|
4577 | 2317 |
&mod_driverops, "ZFS storage pool version " SPA_VERSION_STRING, |
2676 | 2318 |
&zfs_dev_ops |
789 | 2319 |
}; |
2320 |
||
2321 |
static struct modlinkage modlinkage = { |
|
2322 |
MODREV_1, |
|
2323 |
(void *)&zfs_modlfs, |
|
2324 |
(void *)&zfs_modldrv, |
|
2325 |
NULL |
|
2326 |
}; |
|
2327 |
||
2328 |
int |
|
2329 |
_init(void) |
|
2330 |
{ |
|
2331 |
int error; |
|
2332 |
||
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2333 |
spa_init(FREAD | FWRITE); |
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2334 |
zfs_init(); |
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2335 |
zvol_init(); |
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2336 |
|
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2337 |
if ((error = mod_install(&modlinkage)) != 0) { |
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2338 |
zvol_fini(); |
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2339 |
zfs_fini(); |
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2340 |
spa_fini(); |
789 | 2341 |
return (error); |
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2342 |
} |
789 | 2343 |
|
2344 |
error = ldi_ident_from_mod(&modlinkage, &zfs_li); |
|
2345 |
ASSERT(error == 0); |
|
4543 | 2346 |
mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); |
789 | 2347 |
|
2348 |
return (0); |
|
2349 |
} |
|
2350 |
||
2351 |
int |
|
2352 |
_fini(void) |
|
2353 |
{ |
|
2354 |
int error; |
|
2355 |
||
1544 | 2356 |
if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) |
789 | 2357 |
return (EBUSY); |
2358 |
||
2359 |
if ((error = mod_remove(&modlinkage)) != 0) |
|
2360 |
return (error); |
|
2361 |
||
2362 |
zvol_fini(); |
|
2363 |
zfs_fini(); |
|
2364 |
spa_fini(); |
|
4543 | 2365 |
if (zfs_share_inited) { |
2366 |
(void) ddi_modclose(nfs_mod); |
|
2367 |
(void) ddi_modclose(sharefs_mod); |
|
2368 |
} |
|
789 | 2369 |
|
2370 |
ldi_ident_release(zfs_li); |
|
2371 |
zfs_li = NULL; |
|
4543 | 2372 |
mutex_destroy(&zfs_share_lock); |
789 | 2373 |
|
2374 |
return (error); |
|
2375 |
} |
|
2376 |
||
2377 |
int |
|
2378 |
_info(struct modinfo *modinfop) |
|
2379 |
{ |
|
2380 |
return (mod_info(&modlinkage, modinfop)); |
|
2381 |
} |