author | marks |
Tue, 26 Jun 2007 07:44:24 -0700 | |
changeset 4543 | 12bb2876a62e |
parent 4490 | abf035049f7f |
child 4577 | ed36b0e652bc |
permissions | -rw-r--r-- |
789 | 1 |
/* |
2 |
* CDDL HEADER START |
|
3 |
* |
|
4 |
* The contents of this file are subject to the terms of the |
|
1544 | 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 |
*/ |
|
3126 | 21 |
|
789 | 22 |
/* |
3363 | 23 |
* Copyright 2007 Sun Microsystems, Inc. All rights reserved. |
789 | 24 |
* Use is subject to license terms. |
25 |
*/ |
|
26 |
||
27 |
#pragma ident "%Z%%M% %I% %E% SMI" |
|
28 |
||
29 |
#include <assert.h> |
|
30 |
#include <ctype.h> |
|
31 |
#include <errno.h> |
|
32 |
#include <libdevinfo.h> |
|
33 |
#include <libintl.h> |
|
34 |
#include <math.h> |
|
35 |
#include <stdio.h> |
|
36 |
#include <stdlib.h> |
|
37 |
#include <strings.h> |
|
38 |
#include <unistd.h> |
|
39 |
#include <zone.h> |
|
2082 | 40 |
#include <fcntl.h> |
789 | 41 |
#include <sys/mntent.h> |
42 |
#include <sys/mnttab.h> |
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43 |
#include <sys/mount.h> |
4543 | 44 |
#include <sys/avl.h> |
45 |
#include <priv.h> |
|
46 |
#include <pwd.h> |
|
47 |
#include <grp.h> |
|
48 |
#include <stddef.h> |
|
49 |
#include <ucred.h> |
|
789 | 50 |
|
51 |
#include <sys/spa.h> |
|
52 |
#include <sys/zio.h> |
|
2676 | 53 |
#include <sys/zap.h> |
789 | 54 |
#include <libzfs.h> |
55 |
||
56 |
#include "zfs_namecheck.h" |
|
57 |
#include "zfs_prop.h" |
|
58 |
#include "libzfs_impl.h" |
|
4543 | 59 |
#include "zfs_deleg.h" |
789 | 60 |
|
4490 | 61 |
static int create_parents(libzfs_handle_t *, char *, int); |
4007 | 62 |
static int zvol_create_link_common(libzfs_handle_t *, const char *, int); |
63 |
||
789 | 64 |
/* |
65 |
* Given a single type (not a mask of types), return the type in a human |
|
66 |
* readable form. |
|
67 |
*/ |
|
68 |
const char * |
|
69 |
zfs_type_to_name(zfs_type_t type) |
|
70 |
{ |
|
71 |
switch (type) { |
|
72 |
case ZFS_TYPE_FILESYSTEM: |
|
73 |
return (dgettext(TEXT_DOMAIN, "filesystem")); |
|
74 |
case ZFS_TYPE_SNAPSHOT: |
|
75 |
return (dgettext(TEXT_DOMAIN, "snapshot")); |
|
76 |
case ZFS_TYPE_VOLUME: |
|
77 |
return (dgettext(TEXT_DOMAIN, "volume")); |
|
78 |
} |
|
79 |
||
80 |
return (NULL); |
|
81 |
} |
|
82 |
||
83 |
/* |
|
84 |
* Given a path and mask of ZFS types, return a string describing this dataset. |
|
85 |
* This is used when we fail to open a dataset and we cannot get an exact type. |
|
86 |
* We guess what the type would have been based on the path and the mask of |
|
87 |
* acceptable types. |
|
88 |
*/ |
|
89 |
static const char * |
|
90 |
path_to_str(const char *path, int types) |
|
91 |
{ |
|
92 |
/* |
|
93 |
* When given a single type, always report the exact type. |
|
94 |
*/ |
|
95 |
if (types == ZFS_TYPE_SNAPSHOT) |
|
96 |
return (dgettext(TEXT_DOMAIN, "snapshot")); |
|
97 |
if (types == ZFS_TYPE_FILESYSTEM) |
|
98 |
return (dgettext(TEXT_DOMAIN, "filesystem")); |
|
99 |
if (types == ZFS_TYPE_VOLUME) |
|
100 |
return (dgettext(TEXT_DOMAIN, "volume")); |
|
101 |
||
102 |
/* |
|
103 |
* The user is requesting more than one type of dataset. If this is the |
|
104 |
* case, consult the path itself. If we're looking for a snapshot, and |
|
105 |
* a '@' is found, then report it as "snapshot". Otherwise, remove the |
|
106 |
* snapshot attribute and try again. |
|
107 |
*/ |
|
108 |
if (types & ZFS_TYPE_SNAPSHOT) { |
|
109 |
if (strchr(path, '@') != NULL) |
|
110 |
return (dgettext(TEXT_DOMAIN, "snapshot")); |
|
111 |
return (path_to_str(path, types & ~ZFS_TYPE_SNAPSHOT)); |
|
112 |
} |
|
113 |
||
114 |
||
115 |
/* |
|
116 |
* The user has requested either filesystems or volumes. |
|
117 |
* We have no way of knowing a priori what type this would be, so always |
|
118 |
* report it as "filesystem" or "volume", our two primitive types. |
|
119 |
*/ |
|
120 |
if (types & ZFS_TYPE_FILESYSTEM) |
|
121 |
return (dgettext(TEXT_DOMAIN, "filesystem")); |
|
122 |
||
123 |
assert(types & ZFS_TYPE_VOLUME); |
|
124 |
return (dgettext(TEXT_DOMAIN, "volume")); |
|
125 |
} |
|
126 |
||
127 |
/* |
|
128 |
* Validate a ZFS path. This is used even before trying to open the dataset, to |
|
129 |
* provide a more meaningful error message. We place a more useful message in |
|
130 |
* 'buf' detailing exactly why the name was not valid. |
|
131 |
*/ |
|
132 |
static int |
|
2082 | 133 |
zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type) |
789 | 134 |
{ |
135 |
namecheck_err_t why; |
|
136 |
char what; |
|
137 |
||
138 |
if (dataset_namecheck(path, &why, &what) != 0) { |
|
2082 | 139 |
if (hdl != NULL) { |
789 | 140 |
switch (why) { |
1003 | 141 |
case NAME_ERR_TOOLONG: |
2082 | 142 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
143 |
"name is too long")); |
|
1003 | 144 |
break; |
145 |
||
789 | 146 |
case NAME_ERR_LEADING_SLASH: |
2082 | 147 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
148 |
"leading slash in name")); |
|
789 | 149 |
break; |
150 |
||
151 |
case NAME_ERR_EMPTY_COMPONENT: |
|
2082 | 152 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
153 |
"empty component in name")); |
|
789 | 154 |
break; |
155 |
||
156 |
case NAME_ERR_TRAILING_SLASH: |
|
2082 | 157 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
158 |
"trailing slash in name")); |
|
789 | 159 |
break; |
160 |
||
161 |
case NAME_ERR_INVALCHAR: |
|
2082 | 162 |
zfs_error_aux(hdl, |
789 | 163 |
dgettext(TEXT_DOMAIN, "invalid character " |
2082 | 164 |
"'%c' in name"), what); |
789 | 165 |
break; |
166 |
||
167 |
case NAME_ERR_MULTIPLE_AT: |
|
2082 | 168 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
169 |
"multiple '@' delimiters in name")); |
|
789 | 170 |
break; |
2856 | 171 |
|
172 |
case NAME_ERR_NOLETTER: |
|
173 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
174 |
"pool doesn't begin with a letter")); |
|
175 |
break; |
|
176 |
||
177 |
case NAME_ERR_RESERVED: |
|
178 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
179 |
"name is reserved")); |
|
180 |
break; |
|
181 |
||
182 |
case NAME_ERR_DISKLIKE: |
|
183 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
184 |
"reserved disk name")); |
|
185 |
break; |
|
789 | 186 |
} |
187 |
} |
|
188 |
||
189 |
return (0); |
|
190 |
} |
|
191 |
||
192 |
if (!(type & ZFS_TYPE_SNAPSHOT) && strchr(path, '@') != NULL) { |
|
2082 | 193 |
if (hdl != NULL) |
194 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
195 |
"snapshot delimiter '@' in filesystem name")); |
|
789 | 196 |
return (0); |
197 |
} |
|
198 |
||
2199 | 199 |
if (type == ZFS_TYPE_SNAPSHOT && strchr(path, '@') == NULL) { |
200 |
if (hdl != NULL) |
|
201 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
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202 |
"missing '@' delimiter in snapshot name")); |
2199 | 203 |
return (0); |
204 |
} |
|
205 |
||
2082 | 206 |
return (-1); |
789 | 207 |
} |
208 |
||
209 |
int |
|
210 |
zfs_name_valid(const char *name, zfs_type_t type) |
|
211 |
{ |
|
2082 | 212 |
return (zfs_validate_name(NULL, name, type)); |
789 | 213 |
} |
214 |
||
215 |
/* |
|
2676 | 216 |
* This function takes the raw DSL properties, and filters out the user-defined |
217 |
* properties into a separate nvlist. |
|
218 |
*/ |
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219 |
static nvlist_t * |
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220 |
process_user_props(zfs_handle_t *zhp, nvlist_t *props) |
2676 | 221 |
{ |
222 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
223 |
nvpair_t *elem; |
|
224 |
nvlist_t *propval; |
|
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225 |
nvlist_t *nvl; |
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226 |
|
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227 |
if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) { |
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228 |
(void) no_memory(hdl); |
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229 |
return (NULL); |
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|
230 |
} |
2676 | 231 |
|
232 |
elem = NULL; |
|
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|
233 |
while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { |
2676 | 234 |
if (!zfs_prop_user(nvpair_name(elem))) |
235 |
continue; |
|
236 |
||
237 |
verify(nvpair_value_nvlist(elem, &propval) == 0); |
|
4217
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238 |
if (nvlist_add_nvlist(nvl, nvpair_name(elem), propval) != 0) { |
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|
239 |
nvlist_free(nvl); |
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|
240 |
(void) no_memory(hdl); |
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241 |
return (NULL); |
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|
242 |
} |
2676 | 243 |
} |
244 |
||
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|
245 |
return (nvl); |
2676 | 246 |
} |
247 |
||
248 |
/* |
|
789 | 249 |
* Utility function to gather stats (objset and zpl) for the given object. |
250 |
*/ |
|
251 |
static int |
|
252 |
get_stats(zfs_handle_t *zhp) |
|
253 |
{ |
|
254 |
zfs_cmd_t zc = { 0 }; |
|
2676 | 255 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
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|
256 |
nvlist_t *allprops, *userprops; |
789 | 257 |
|
258 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
259 |
||
2676 | 260 |
if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) |
2082 | 261 |
return (-1); |
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|
262 |
|
2082 | 263 |
while (ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, &zc) != 0) { |
1356
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|
264 |
if (errno == ENOMEM) { |
2676 | 265 |
if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { |
266 |
zcmd_free_nvlists(&zc); |
|
2082 | 267 |
return (-1); |
2676 | 268 |
} |
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|
269 |
} else { |
2676 | 270 |
zcmd_free_nvlists(&zc); |
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|
271 |
return (-1); |
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|
272 |
} |
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|
273 |
} |
789 | 274 |
|
2885 | 275 |
zhp->zfs_dmustats = zc.zc_objset_stats; /* structure assignment */ |
789 | 276 |
|
2676 | 277 |
(void) strlcpy(zhp->zfs_root, zc.zc_value, sizeof (zhp->zfs_root)); |
1544 | 278 |
|
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|
279 |
if (zcmd_read_dst_nvlist(hdl, &zc, &allprops) != 0) { |
2676 | 280 |
zcmd_free_nvlists(&zc); |
2082 | 281 |
return (-1); |
282 |
} |
|
789 | 283 |
|
2676 | 284 |
zcmd_free_nvlists(&zc); |
285 |
||
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|
286 |
if ((userprops = process_user_props(zhp, allprops)) == NULL) { |
3411a82f178f
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|
287 |
nvlist_free(allprops); |
2676 | 288 |
return (-1); |
4217
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|
289 |
} |
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|
290 |
|
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|
291 |
nvlist_free(zhp->zfs_props); |
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|
292 |
nvlist_free(zhp->zfs_user_props); |
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|
293 |
|
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|
294 |
zhp->zfs_props = allprops; |
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|
295 |
zhp->zfs_user_props = userprops; |
2082 | 296 |
|
789 | 297 |
return (0); |
298 |
} |
|
299 |
||
300 |
/* |
|
301 |
* Refresh the properties currently stored in the handle. |
|
302 |
*/ |
|
303 |
void |
|
304 |
zfs_refresh_properties(zfs_handle_t *zhp) |
|
305 |
{ |
|
306 |
(void) get_stats(zhp); |
|
307 |
} |
|
308 |
||
309 |
/* |
|
310 |
* Makes a handle from the given dataset name. Used by zfs_open() and |
|
311 |
* zfs_iter_* to create child handles on the fly. |
|
312 |
*/ |
|
313 |
zfs_handle_t * |
|
2082 | 314 |
make_dataset_handle(libzfs_handle_t *hdl, const char *path) |
789 | 315 |
{ |
2082 | 316 |
zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1); |
4543 | 317 |
char *logstr; |
2082 | 318 |
|
319 |
if (zhp == NULL) |
|
320 |
return (NULL); |
|
321 |
||
322 |
zhp->zfs_hdl = hdl; |
|
789 | 323 |
|
4543 | 324 |
/* |
325 |
* Preserve history log string. |
|
326 |
* any changes performed here will be |
|
327 |
* logged as an internal event. |
|
328 |
*/ |
|
329 |
logstr = zhp->zfs_hdl->libzfs_log_str; |
|
330 |
zhp->zfs_hdl->libzfs_log_str = NULL; |
|
1758
d0750a16db04
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|
331 |
top: |
789 | 332 |
(void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name)); |
333 |
||
334 |
if (get_stats(zhp) != 0) { |
|
4543 | 335 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
789 | 336 |
free(zhp); |
337 |
return (NULL); |
|
338 |
} |
|
339 |
||
1758
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|
340 |
if (zhp->zfs_dmustats.dds_inconsistent) { |
d0750a16db04
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|
341 |
zfs_cmd_t zc = { 0 }; |
d0750a16db04
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|
342 |
|
d0750a16db04
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|
343 |
/* |
d0750a16db04
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|
344 |
* If it is dds_inconsistent, then we've caught it in |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
345 |
* the middle of a 'zfs receive' or 'zfs destroy', and |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
346 |
* it is inconsistent from the ZPL's point of view, so |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
347 |
* can't be mounted. However, it could also be that we |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
348 |
* have crashed in the middle of one of those |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
349 |
* operations, in which case we need to get rid of the |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
350 |
* inconsistent state. We do that by either rolling |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
351 |
* back to the previous snapshot (which will fail if |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
352 |
* there is none), or destroying the filesystem. Note |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
353 |
* that if we are still in the middle of an active |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
354 |
* 'receive' or 'destroy', then the rollback and destroy |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
355 |
* will fail with EBUSY and we will drive on as usual. |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
356 |
*/ |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
357 |
|
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
358 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
359 |
|
2885 | 360 |
if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) { |
2082 | 361 |
(void) zvol_remove_link(hdl, zhp->zfs_name); |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
362 |
zc.zc_objset_type = DMU_OST_ZVOL; |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
363 |
} else { |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
364 |
zc.zc_objset_type = DMU_OST_ZFS; |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
365 |
} |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
366 |
|
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
367 |
/* If we can successfully roll it back, reget the stats */ |
2082 | 368 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_ROLLBACK, &zc) == 0) |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
369 |
goto top; |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
370 |
/* |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
371 |
* If we can sucessfully destroy it, pretend that it |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
372 |
* never existed. |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
373 |
*/ |
2082 | 374 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_DESTROY, &zc) == 0) { |
4543 | 375 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
1758
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
376 |
free(zhp); |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
377 |
errno = ENOENT; |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
378 |
return (NULL); |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
379 |
} |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
380 |
} |
d0750a16db04
6397267 assertion failed: (link->list_next == 0) == (link->list_prev == 0)
ahrens
parents:
1749
diff
changeset
|
381 |
|
789 | 382 |
/* |
383 |
* We've managed to open the dataset and gather statistics. Determine |
|
384 |
* the high-level type. |
|
385 |
*/ |
|
2885 | 386 |
if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) |
387 |
zhp->zfs_head_type = ZFS_TYPE_VOLUME; |
|
388 |
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS) |
|
389 |
zhp->zfs_head_type = ZFS_TYPE_FILESYSTEM; |
|
390 |
else |
|
391 |
abort(); |
|
392 |
||
789 | 393 |
if (zhp->zfs_dmustats.dds_is_snapshot) |
394 |
zhp->zfs_type = ZFS_TYPE_SNAPSHOT; |
|
395 |
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZVOL) |
|
396 |
zhp->zfs_type = ZFS_TYPE_VOLUME; |
|
397 |
else if (zhp->zfs_dmustats.dds_type == DMU_OST_ZFS) |
|
398 |
zhp->zfs_type = ZFS_TYPE_FILESYSTEM; |
|
399 |
else |
|
2082 | 400 |
abort(); /* we should never see any other types */ |
789 | 401 |
|
4543 | 402 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
789 | 403 |
return (zhp); |
404 |
} |
|
405 |
||
406 |
/* |
|
407 |
* Opens the given snapshot, filesystem, or volume. The 'types' |
|
408 |
* argument is a mask of acceptable types. The function will print an |
|
409 |
* appropriate error message and return NULL if it can't be opened. |
|
410 |
*/ |
|
411 |
zfs_handle_t * |
|
2082 | 412 |
zfs_open(libzfs_handle_t *hdl, const char *path, int types) |
789 | 413 |
{ |
414 |
zfs_handle_t *zhp; |
|
2082 | 415 |
char errbuf[1024]; |
416 |
||
417 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
418 |
dgettext(TEXT_DOMAIN, "cannot open '%s'"), path); |
|
789 | 419 |
|
420 |
/* |
|
2082 | 421 |
* Validate the name before we even try to open it. |
789 | 422 |
*/ |
2082 | 423 |
if (!zfs_validate_name(hdl, path, ZFS_TYPE_ANY)) { |
424 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
425 |
"invalid dataset name")); |
|
426 |
(void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); |
|
789 | 427 |
return (NULL); |
428 |
} |
|
429 |
||
430 |
/* |
|
431 |
* Try to get stats for the dataset, which will tell us if it exists. |
|
432 |
*/ |
|
433 |
errno = 0; |
|
2082 | 434 |
if ((zhp = make_dataset_handle(hdl, path)) == NULL) { |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
435 |
(void) zfs_standard_error(hdl, errno, errbuf); |
789 | 436 |
return (NULL); |
437 |
} |
|
438 |
||
439 |
if (!(types & zhp->zfs_type)) { |
|
2082 | 440 |
(void) zfs_error(hdl, EZFS_BADTYPE, errbuf); |
2142
f6e0487aa9a3
6433264 crash when adding spare: nvlist_lookup_string(cnv, "path", &path) == 0
eschrock
parents:
2082
diff
changeset
|
441 |
zfs_close(zhp); |
789 | 442 |
return (NULL); |
443 |
} |
|
444 |
||
445 |
return (zhp); |
|
446 |
} |
|
447 |
||
448 |
/* |
|
449 |
* Release a ZFS handle. Nothing to do but free the associated memory. |
|
450 |
*/ |
|
451 |
void |
|
452 |
zfs_close(zfs_handle_t *zhp) |
|
453 |
{ |
|
454 |
if (zhp->zfs_mntopts) |
|
455 |
free(zhp->zfs_mntopts); |
|
2676 | 456 |
nvlist_free(zhp->zfs_props); |
457 |
nvlist_free(zhp->zfs_user_props); |
|
789 | 458 |
free(zhp); |
459 |
} |
|
460 |
||
461 |
/* |
|
462 |
* Given a numeric suffix, convert the value into a number of bits that the |
|
463 |
* resulting value must be shifted. |
|
464 |
*/ |
|
465 |
static int |
|
2082 | 466 |
str2shift(libzfs_handle_t *hdl, const char *buf) |
789 | 467 |
{ |
468 |
const char *ends = "BKMGTPEZ"; |
|
469 |
int i; |
|
470 |
||
471 |
if (buf[0] == '\0') |
|
472 |
return (0); |
|
473 |
for (i = 0; i < strlen(ends); i++) { |
|
474 |
if (toupper(buf[0]) == ends[i]) |
|
475 |
break; |
|
476 |
} |
|
477 |
if (i == strlen(ends)) { |
|
2082 | 478 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
479 |
"invalid numeric suffix '%s'"), buf); |
|
789 | 480 |
return (-1); |
481 |
} |
|
482 |
||
483 |
/* |
|
484 |
* We want to allow trailing 'b' characters for 'GB' or 'Mb'. But don't |
|
485 |
* allow 'BB' - that's just weird. |
|
486 |
*/ |
|
487 |
if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0' && |
|
2082 | 488 |
toupper(buf[0]) != 'B')) |
789 | 489 |
return (10*i); |
2082 | 490 |
|
491 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
492 |
"invalid numeric suffix '%s'"), buf); |
|
789 | 493 |
return (-1); |
494 |
} |
|
495 |
||
496 |
/* |
|
497 |
* Convert a string of the form '100G' into a real number. Used when setting |
|
498 |
* properties or creating a volume. 'buf' is used to place an extended error |
|
499 |
* message for the caller to use. |
|
500 |
*/ |
|
501 |
static int |
|
2082 | 502 |
nicestrtonum(libzfs_handle_t *hdl, const char *value, uint64_t *num) |
789 | 503 |
{ |
504 |
char *end; |
|
505 |
int shift; |
|
506 |
||
507 |
*num = 0; |
|
508 |
||
509 |
/* Check to see if this looks like a number. */ |
|
510 |
if ((value[0] < '0' || value[0] > '9') && value[0] != '.') { |
|
2082 | 511 |
if (hdl) |
512 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
513 |
"bad numeric value '%s'"), value); |
|
789 | 514 |
return (-1); |
515 |
} |
|
516 |
||
517 |
/* Rely on stroll() to process the numeric portion. */ |
|
518 |
errno = 0; |
|
519 |
*num = strtoll(value, &end, 10); |
|
520 |
||
521 |
/* |
|
522 |
* Check for ERANGE, which indicates that the value is too large to fit |
|
523 |
* in a 64-bit value. |
|
524 |
*/ |
|
525 |
if (errno == ERANGE) { |
|
2082 | 526 |
if (hdl) |
527 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
528 |
"numeric value is too large")); |
|
789 | 529 |
return (-1); |
530 |
} |
|
531 |
||
532 |
/* |
|
533 |
* If we have a decimal value, then do the computation with floating |
|
534 |
* point arithmetic. Otherwise, use standard arithmetic. |
|
535 |
*/ |
|
536 |
if (*end == '.') { |
|
537 |
double fval = strtod(value, &end); |
|
538 |
||
2082 | 539 |
if ((shift = str2shift(hdl, end)) == -1) |
789 | 540 |
return (-1); |
541 |
||
542 |
fval *= pow(2, shift); |
|
543 |
||
544 |
if (fval > UINT64_MAX) { |
|
2082 | 545 |
if (hdl) |
546 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
547 |
"numeric value is too large")); |
|
789 | 548 |
return (-1); |
549 |
} |
|
550 |
||
551 |
*num = (uint64_t)fval; |
|
552 |
} else { |
|
2082 | 553 |
if ((shift = str2shift(hdl, end)) == -1) |
789 | 554 |
return (-1); |
555 |
||
556 |
/* Check for overflow */ |
|
557 |
if (shift >= 64 || (*num << shift) >> shift != *num) { |
|
2082 | 558 |
if (hdl) |
559 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
560 |
"numeric value is too large")); |
|
789 | 561 |
return (-1); |
562 |
} |
|
563 |
||
564 |
*num <<= shift; |
|
565 |
} |
|
566 |
||
567 |
return (0); |
|
568 |
} |
|
569 |
||
570 |
int |
|
2676 | 571 |
zfs_nicestrtonum(libzfs_handle_t *hdl, const char *str, uint64_t *val) |
572 |
{ |
|
573 |
return (nicestrtonum(hdl, str, val)); |
|
574 |
} |
|
575 |
||
576 |
/* |
|
577 |
* The prop_parse_*() functions are designed to allow flexibility in callers |
|
578 |
* when setting properties. At the DSL layer, all properties are either 64-bit |
|
579 |
* numbers or strings. We want the user to be able to ignore this fact and |
|
580 |
* specify properties as native values (boolean, for example) or as strings (to |
|
581 |
* simplify command line utilities). This also handles converting index types |
|
582 |
* (compression, checksum, etc) from strings to their on-disk index. |
|
583 |
*/ |
|
584 |
||
585 |
static int |
|
586 |
prop_parse_boolean(libzfs_handle_t *hdl, nvpair_t *elem, uint64_t *val) |
|
789 | 587 |
{ |
2676 | 588 |
uint64_t ret; |
589 |
||
590 |
switch (nvpair_type(elem)) { |
|
591 |
case DATA_TYPE_STRING: |
|
592 |
{ |
|
593 |
char *value; |
|
3363 | 594 |
verify(nvpair_value_string(elem, &value) == 0); |
2676 | 595 |
|
596 |
if (strcmp(value, "on") == 0) { |
|
597 |
ret = 1; |
|
598 |
} else if (strcmp(value, "off") == 0) { |
|
599 |
ret = 0; |
|
600 |
} else { |
|
601 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
602 |
"property '%s' must be 'on' or 'off'"), |
|
603 |
nvpair_name(elem)); |
|
604 |
return (-1); |
|
605 |
} |
|
606 |
break; |
|
607 |
} |
|
608 |
||
609 |
case DATA_TYPE_UINT64: |
|
610 |
{ |
|
3363 | 611 |
verify(nvpair_value_uint64(elem, &ret) == 0); |
2676 | 612 |
if (ret > 1) { |
613 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
614 |
"'%s' must be a boolean value"), |
|
615 |
nvpair_name(elem)); |
|
616 |
return (-1); |
|
617 |
} |
|
618 |
break; |
|
619 |
} |
|
620 |
||
621 |
case DATA_TYPE_BOOLEAN_VALUE: |
|
622 |
{ |
|
623 |
boolean_t value; |
|
3363 | 624 |
verify(nvpair_value_boolean_value(elem, &value) == 0); |
2676 | 625 |
ret = value; |
626 |
break; |
|
627 |
} |
|
628 |
||
629 |
default: |
|
630 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
631 |
"'%s' must be a boolean value"), |
|
632 |
nvpair_name(elem)); |
|
633 |
return (-1); |
|
634 |
} |
|
635 |
||
636 |
*val = ret; |
|
637 |
return (0); |
|
638 |
} |
|
639 |
||
640 |
static int |
|
641 |
prop_parse_number(libzfs_handle_t *hdl, nvpair_t *elem, zfs_prop_t prop, |
|
642 |
uint64_t *val) |
|
643 |
{ |
|
644 |
uint64_t ret; |
|
645 |
boolean_t isnone = B_FALSE; |
|
646 |
||
647 |
switch (nvpair_type(elem)) { |
|
648 |
case DATA_TYPE_STRING: |
|
649 |
{ |
|
650 |
char *value; |
|
651 |
(void) nvpair_value_string(elem, &value); |
|
652 |
if (strcmp(value, "none") == 0) { |
|
653 |
isnone = B_TRUE; |
|
654 |
ret = 0; |
|
655 |
} else if (nicestrtonum(hdl, value, &ret) != 0) { |
|
656 |
return (-1); |
|
657 |
} |
|
658 |
break; |
|
659 |
} |
|
660 |
||
661 |
case DATA_TYPE_UINT64: |
|
662 |
(void) nvpair_value_uint64(elem, &ret); |
|
663 |
break; |
|
664 |
||
665 |
default: |
|
666 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
667 |
"'%s' must be a number"), |
|
668 |
nvpair_name(elem)); |
|
669 |
return (-1); |
|
670 |
} |
|
671 |
||
672 |
/* |
|
673 |
* Quota special: force 'none' and don't allow 0. |
|
674 |
*/ |
|
675 |
if (ret == 0 && !isnone && prop == ZFS_PROP_QUOTA) { |
|
676 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
677 |
"use 'none' to disable quota")); |
|
678 |
return (-1); |
|
679 |
} |
|
680 |
||
681 |
*val = ret; |
|
682 |
return (0); |
|
683 |
} |
|
684 |
||
685 |
static int |
|
686 |
prop_parse_index(libzfs_handle_t *hdl, nvpair_t *elem, zfs_prop_t prop, |
|
687 |
uint64_t *val) |
|
688 |
{ |
|
689 |
char *propname = nvpair_name(elem); |
|
690 |
char *value; |
|
691 |
||
692 |
if (nvpair_type(elem) != DATA_TYPE_STRING) { |
|
693 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
694 |
"'%s' must be a string"), propname); |
|
695 |
return (-1); |
|
696 |
} |
|
697 |
||
698 |
(void) nvpair_value_string(elem, &value); |
|
699 |
||
700 |
if (zfs_prop_string_to_index(prop, value, val) != 0) { |
|
701 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
702 |
"'%s' must be one of '%s'"), propname, |
|
703 |
zfs_prop_values(prop)); |
|
704 |
return (-1); |
|
705 |
} |
|
706 |
||
707 |
return (0); |
|
789 | 708 |
} |
709 |
||
710 |
/* |
|
3912 | 711 |
* Check if the bootfs name has the same pool name as it is set to. |
712 |
* Assuming bootfs is a valid dataset name. |
|
713 |
*/ |
|
714 |
static boolean_t |
|
715 |
bootfs_poolname_valid(char *pool, char *bootfs) |
|
716 |
{ |
|
717 |
char ch, *pname; |
|
718 |
||
719 |
/* get the pool name from the bootfs name */ |
|
720 |
pname = bootfs; |
|
721 |
while (*bootfs && !isspace(*bootfs) && *bootfs != '/') |
|
722 |
bootfs++; |
|
723 |
||
724 |
ch = *bootfs; |
|
725 |
*bootfs = 0; |
|
726 |
||
727 |
if (strcmp(pool, pname) == 0) { |
|
728 |
*bootfs = ch; |
|
729 |
return (B_TRUE); |
|
730 |
} |
|
731 |
||
732 |
*bootfs = ch; |
|
733 |
return (B_FALSE); |
|
734 |
} |
|
735 |
||
736 |
/* |
|
2676 | 737 |
* Given an nvlist of properties to set, validates that they are correct, and |
738 |
* parses any numeric properties (index, boolean, etc) if they are specified as |
|
739 |
* strings. |
|
789 | 740 |
*/ |
3912 | 741 |
nvlist_t * |
742 |
zfs_validate_properties(libzfs_handle_t *hdl, zfs_type_t type, char *pool_name, |
|
743 |
nvlist_t *nvl, uint64_t zoned, zfs_handle_t *zhp, const char *errbuf) |
|
789 | 744 |
{ |
2676 | 745 |
nvpair_t *elem; |
746 |
const char *propname; |
|
747 |
zfs_prop_t prop; |
|
748 |
uint64_t intval; |
|
749 |
char *strval; |
|
750 |
nvlist_t *ret; |
|
3912 | 751 |
int isuser; |
2676 | 752 |
|
753 |
if (nvlist_alloc(&ret, NV_UNIQUE_NAME, 0) != 0) { |
|
754 |
(void) no_memory(hdl); |
|
755 |
return (NULL); |
|
756 |
} |
|
757 |
||
758 |
if (type == ZFS_TYPE_SNAPSHOT) { |
|
759 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3413
f4cbe0204ab7
6471255 Some ZFS error messages contain spelling errors
mmusante
parents:
3377
diff
changeset
|
760 |
"snapshot properties cannot be modified")); |
2676 | 761 |
(void) zfs_error(hdl, EZFS_PROPTYPE, errbuf); |
762 |
goto error; |
|
789 | 763 |
} |
764 |
||
2676 | 765 |
elem = NULL; |
766 |
while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { |
|
767 |
propname = nvpair_name(elem); |
|
768 |
||
769 |
/* |
|
770 |
* Make sure this property is valid and applies to this type. |
|
771 |
*/ |
|
3912 | 772 |
if ((prop = zfs_name_to_prop_common(propname, type)) |
773 |
== ZFS_PROP_INVAL) { |
|
774 |
isuser = zfs_prop_user(propname); |
|
775 |
if (!isuser || (isuser && (type & ZFS_TYPE_POOL))) { |
|
2676 | 776 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
777 |
"invalid property '%s'"), |
|
778 |
propname); |
|
779 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
780 |
goto error; |
|
781 |
} else { |
|
782 |
/* |
|
783 |
* If this is a user property, make sure it's a |
|
784 |
* string, and that it's less than |
|
785 |
* ZAP_MAXNAMELEN. |
|
786 |
*/ |
|
787 |
if (nvpair_type(elem) != DATA_TYPE_STRING) { |
|
788 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
789 |
"'%s' must be a string"), |
|
790 |
propname); |
|
791 |
(void) zfs_error(hdl, EZFS_BADPROP, |
|
792 |
errbuf); |
|
793 |
goto error; |
|
794 |
} |
|
795 |
||
796 |
if (strlen(nvpair_name(elem)) >= |
|
797 |
ZAP_MAXNAMELEN) { |
|
798 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
799 |
"property name '%s' is too long"), |
|
800 |
propname); |
|
801 |
(void) zfs_error(hdl, EZFS_BADPROP, |
|
802 |
errbuf); |
|
803 |
goto error; |
|
804 |
} |
|
805 |
} |
|
806 |
||
807 |
(void) nvpair_value_string(elem, &strval); |
|
808 |
if (nvlist_add_string(ret, propname, strval) != 0) { |
|
809 |
(void) no_memory(hdl); |
|
810 |
goto error; |
|
811 |
} |
|
812 |
continue; |
|
789 | 813 |
} |
2676 | 814 |
|
815 |
/* |
|
816 |
* Normalize the name, to get rid of shorthand abbrevations. |
|
817 |
*/ |
|
818 |
propname = zfs_prop_to_name(prop); |
|
819 |
||
820 |
if (!zfs_prop_valid_for_type(prop, type)) { |
|
821 |
zfs_error_aux(hdl, |
|
822 |
dgettext(TEXT_DOMAIN, "'%s' does not " |
|
823 |
"apply to datasets of this type"), propname); |
|
824 |
(void) zfs_error(hdl, EZFS_PROPTYPE, errbuf); |
|
825 |
goto error; |
|
826 |
} |
|
827 |
||
828 |
if (zfs_prop_readonly(prop) && |
|
829 |
(prop != ZFS_PROP_VOLBLOCKSIZE || zhp != NULL)) { |
|
830 |
zfs_error_aux(hdl, |
|
831 |
dgettext(TEXT_DOMAIN, "'%s' is readonly"), |
|
832 |
propname); |
|
833 |
(void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); |
|
834 |
goto error; |
|
835 |
} |
|
836 |
||
837 |
/* |
|
838 |
* Convert any properties to the internal DSL value types. |
|
839 |
*/ |
|
840 |
strval = NULL; |
|
841 |
switch (zfs_prop_get_type(prop)) { |
|
842 |
case prop_type_boolean: |
|
843 |
if (prop_parse_boolean(hdl, elem, &intval) != 0) { |
|
844 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
845 |
goto error; |
|
846 |
} |
|
789 | 847 |
break; |
2676 | 848 |
|
849 |
case prop_type_string: |
|
850 |
if (nvpair_type(elem) != DATA_TYPE_STRING) { |
|
2082 | 851 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 852 |
"'%s' must be a string"), |
853 |
propname); |
|
854 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
855 |
goto error; |
|
789 | 856 |
} |
2676 | 857 |
(void) nvpair_value_string(elem, &strval); |
858 |
if (strlen(strval) >= ZFS_MAXPROPLEN) { |
|
2082 | 859 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 860 |
"'%s' is too long"), propname); |
861 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
862 |
goto error; |
|
863 |
} |
|
864 |
break; |
|
865 |
||
866 |
case prop_type_number: |
|
867 |
if (prop_parse_number(hdl, elem, prop, &intval) != 0) { |
|
868 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
869 |
goto error; |
|
870 |
} |
|
871 |
break; |
|
872 |
||
873 |
case prop_type_index: |
|
874 |
if (prop_parse_index(hdl, elem, prop, &intval) != 0) { |
|
875 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
876 |
goto error; |
|
789 | 877 |
} |
878 |
break; |
|
879 |
||
2676 | 880 |
default: |
881 |
abort(); |
|
882 |
} |
|
883 |
||
884 |
/* |
|
885 |
* Add the result to our return set of properties. |
|
886 |
*/ |
|
887 |
if (strval) { |
|
888 |
if (nvlist_add_string(ret, propname, strval) != 0) { |
|
889 |
(void) no_memory(hdl); |
|
890 |
goto error; |
|
789 | 891 |
} |
2676 | 892 |
} else if (nvlist_add_uint64(ret, propname, intval) != 0) { |
893 |
(void) no_memory(hdl); |
|
894 |
goto error; |
|
895 |
} |
|
896 |
||
897 |
/* |
|
898 |
* Perform some additional checks for specific properties. |
|
899 |
*/ |
|
900 |
switch (prop) { |
|
901 |
case ZFS_PROP_RECORDSIZE: |
|
902 |
case ZFS_PROP_VOLBLOCKSIZE: |
|
903 |
/* must be power of two within SPA_{MIN,MAX}BLOCKSIZE */ |
|
904 |
if (intval < SPA_MINBLOCKSIZE || |
|
905 |
intval > SPA_MAXBLOCKSIZE || !ISP2(intval)) { |
|
2082 | 906 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 907 |
"'%s' must be power of 2 from %u " |
908 |
"to %uk"), propname, |
|
909 |
(uint_t)SPA_MINBLOCKSIZE, |
|
910 |
(uint_t)SPA_MAXBLOCKSIZE >> 10); |
|
911 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
912 |
goto error; |
|
789 | 913 |
} |
914 |
break; |
|
915 |
||
3126 | 916 |
case ZFS_PROP_SHAREISCSI: |
917 |
if (strcmp(strval, "off") != 0 && |
|
918 |
strcmp(strval, "on") != 0 && |
|
919 |
strcmp(strval, "type=disk") != 0) { |
|
920 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
921 |
"'%s' must be 'on', 'off', or 'type=disk'"), |
|
922 |
propname); |
|
923 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
924 |
goto error; |
|
925 |
} |
|
926 |
||
927 |
break; |
|
928 |
||
2676 | 929 |
case ZFS_PROP_MOUNTPOINT: |
930 |
if (strcmp(strval, ZFS_MOUNTPOINT_NONE) == 0 || |
|
931 |
strcmp(strval, ZFS_MOUNTPOINT_LEGACY) == 0) |
|
932 |
break; |
|
933 |
||
934 |
if (strval[0] != '/') { |
|
2082 | 935 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 936 |
"'%s' must be an absolute path, " |
937 |
"'none', or 'legacy'"), propname); |
|
938 |
(void) zfs_error(hdl, EZFS_BADPROP, errbuf); |
|
939 |
goto error; |
|
789 | 940 |
} |
3126 | 941 |
/*FALLTHRU*/ |
942 |
||
943 |
case ZFS_PROP_SHARENFS: |
|
944 |
/* |
|
945 |
* For the mountpoint and sharenfs properties, check if |
|
946 |
* it can be set in a global/non-global zone based on |
|
947 |
* the zoned property value: |
|
948 |
* |
|
949 |
* global zone non-global zone |
|
950 |
* -------------------------------------------------- |
|
951 |
* zoned=on mountpoint (no) mountpoint (yes) |
|
952 |
* sharenfs (no) sharenfs (no) |
|
953 |
* |
|
954 |
* zoned=off mountpoint (yes) N/A |
|
955 |
* sharenfs (yes) |
|
956 |
*/ |
|
2676 | 957 |
if (zoned) { |
958 |
if (getzoneid() == GLOBAL_ZONEID) { |
|
959 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
960 |
"'%s' cannot be set on " |
|
961 |
"dataset in a non-global zone"), |
|
962 |
propname); |
|
963 |
(void) zfs_error(hdl, EZFS_ZONED, |
|
964 |
errbuf); |
|
965 |
goto error; |
|
966 |
} else if (prop == ZFS_PROP_SHARENFS) { |
|
967 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
968 |
"'%s' cannot be set in " |
|
969 |
"a non-global zone"), propname); |
|
970 |
(void) zfs_error(hdl, EZFS_ZONED, |
|
971 |
errbuf); |
|
972 |
goto error; |
|
973 |
} |
|
974 |
} else if (getzoneid() != GLOBAL_ZONEID) { |
|
975 |
/* |
|
976 |
* If zoned property is 'off', this must be in |
|
977 |
* a globle zone. If not, something is wrong. |
|
978 |
*/ |
|
979 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
980 |
"'%s' cannot be set while dataset " |
|
981 |
"'zoned' property is set"), propname); |
|
982 |
(void) zfs_error(hdl, EZFS_ZONED, errbuf); |
|
983 |
goto error; |
|
984 |
} |
|
3126 | 985 |
|
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
986 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
987 |
* At this point, it is legitimate to set the |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
988 |
* property. Now we want to make sure that the |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
989 |
* property value is valid if it is sharenfs. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
990 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
991 |
if (prop == ZFS_PROP_SHARENFS && |
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
992 |
strcmp(strval, "on") != 0 && |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
993 |
strcmp(strval, "off") != 0) { |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
994 |
|
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
995 |
/* |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
996 |
* Must be an NFS option string so |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
997 |
* init the libshare in order to |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
998 |
* enable the parser and then parse |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
999 |
* the options. We use the control API |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1000 |
* since we don't care about the |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1001 |
* current configuration and don't |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1002 |
* want the overhead of loading it |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1003 |
* until we actually do something. |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1004 |
*/ |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1005 |
|
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1006 |
if (zfs_init_libshare(hdl, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1007 |
SA_INIT_CONTROL_API) != SA_OK) { |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1008 |
/* |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1009 |
* An error occurred so we can't do |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1010 |
* anything |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1011 |
*/ |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1012 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1013 |
"'%s' cannot be set: problem " |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1014 |
"in share initialization"), |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1015 |
propname); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1016 |
(void) zfs_error(hdl, EZFS_BADPROP, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1017 |
errbuf); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1018 |
goto error; |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1019 |
} |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1020 |
|
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1021 |
if (zfs_parse_options(strval, "nfs") != SA_OK) { |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1022 |
/* |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1023 |
* There was an error in parsing so |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1024 |
* deal with it by issuing an error |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1025 |
* message and leaving after |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1026 |
* uninitializing the the libshare |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1027 |
* interface. |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1028 |
*/ |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1029 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1030 |
"'%s' cannot be set to invalid " |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1031 |
"options"), propname); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1032 |
(void) zfs_error(hdl, EZFS_BADPROP, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1033 |
errbuf); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1034 |
zfs_uninit_libshare(hdl); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1035 |
goto error; |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4183
diff
changeset
|
1036 |
} |
4180
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1037 |
zfs_uninit_libshare(hdl); |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1038 |
} |
30b15f0bd3c9
6491973 sharemgr: zfs set sharenfs=on is slow with lots of zfs filesystems
dougm
parents:
4007
diff
changeset
|
1039 |
|
3126 | 1040 |
break; |
3912 | 1041 |
|
4451 | 1042 |
case ZPOOL_PROP_BOOTFS: |
3912 | 1043 |
/* |
1044 |
* bootfs property value has to be a dataset name and |
|
1045 |
* the dataset has to be in the same pool as it sets to. |
|
1046 |
*/ |
|
1047 |
if (strval[0] != '\0' && (!zfs_name_valid(strval, |
|
1048 |
ZFS_TYPE_FILESYSTEM) || !bootfs_poolname_valid( |
|
1049 |
pool_name, strval))) { |
|
1050 |
||
1051 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " |
|
1052 |
"is an invalid name"), strval); |
|
1053 |
(void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); |
|
1054 |
goto error; |
|
1055 |
} |
|
1056 |
break; |
|
2676 | 1057 |
} |
1058 |
||
1059 |
/* |
|
1060 |
* For changes to existing volumes, we have some additional |
|
1061 |
* checks to enforce. |
|
1062 |
*/ |
|
1063 |
if (type == ZFS_TYPE_VOLUME && zhp != NULL) { |
|
1064 |
uint64_t volsize = zfs_prop_get_int(zhp, |
|
1065 |
ZFS_PROP_VOLSIZE); |
|
1066 |
uint64_t blocksize = zfs_prop_get_int(zhp, |
|
1067 |
ZFS_PROP_VOLBLOCKSIZE); |
|
1068 |
char buf[64]; |
|
1069 |
||
1070 |
switch (prop) { |
|
1071 |
case ZFS_PROP_RESERVATION: |
|
1072 |
if (intval > volsize) { |
|
1073 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
1074 |
"'%s' is greater than current " |
|
1075 |
"volume size"), propname); |
|
1076 |
(void) zfs_error(hdl, EZFS_BADPROP, |
|
1077 |
errbuf); |
|
1078 |
goto error; |
|
1079 |
} |
|
1080 |
break; |
|
1081 |
||
1082 |
case ZFS_PROP_VOLSIZE: |
|
1083 |
if (intval % blocksize != 0) { |
|
1084 |
zfs_nicenum(blocksize, buf, |
|
1085 |
sizeof (buf)); |
|
1086 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
1087 |
"'%s' must be a multiple of " |
|
1088 |
"volume block size (%s)"), |
|
1089 |
propname, buf); |
|
1090 |
(void) zfs_error(hdl, EZFS_BADPROP, |
|
1091 |
errbuf); |
|
1092 |
goto error; |
|
1093 |
} |
|
1094 |
||
1095 |
if (intval == 0) { |
|
1096 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
1097 |
"'%s' cannot be zero"), |
|
1098 |
propname); |
|
1099 |
(void) zfs_error(hdl, EZFS_BADPROP, |
|
1100 |
errbuf); |
|
1101 |
goto error; |
|
789 | 1102 |
} |
3126 | 1103 |
break; |
789 | 1104 |
} |
1105 |
} |
|
1106 |
} |
|
1107 |
||
2676 | 1108 |
/* |
1109 |
* If this is an existing volume, and someone is setting the volsize, |
|
1110 |
* make sure that it matches the reservation, or add it if necessary. |
|
1111 |
*/ |
|
1112 |
if (zhp != NULL && type == ZFS_TYPE_VOLUME && |
|
1113 |
nvlist_lookup_uint64(ret, zfs_prop_to_name(ZFS_PROP_VOLSIZE), |
|
1114 |
&intval) == 0) { |
|
1115 |
uint64_t old_volsize = zfs_prop_get_int(zhp, |
|
1116 |
ZFS_PROP_VOLSIZE); |
|
1117 |
uint64_t old_reservation = zfs_prop_get_int(zhp, |
|
1118 |
ZFS_PROP_RESERVATION); |
|
1119 |
uint64_t new_reservation; |
|
1120 |
||
1121 |
if (old_volsize == old_reservation && |
|
1122 |
nvlist_lookup_uint64(ret, |
|
1123 |
zfs_prop_to_name(ZFS_PROP_RESERVATION), |
|
1124 |
&new_reservation) != 0) { |
|
1125 |
if (nvlist_add_uint64(ret, |
|
1126 |
zfs_prop_to_name(ZFS_PROP_RESERVATION), |
|
1127 |
intval) != 0) { |
|
1128 |
(void) no_memory(hdl); |
|
1129 |
goto error; |
|
1130 |
} |
|
1131 |
} |
|
1132 |
} |
|
1133 |
||
1134 |
return (ret); |
|
1135 |
||
1136 |
error: |
|
1137 |
nvlist_free(ret); |
|
1138 |
return (NULL); |
|
789 | 1139 |
} |
1140 |
||
4543 | 1141 |
static int |
1142 |
zfs_get_perm_who(const char *who, zfs_deleg_who_type_t *who_type, |
|
1143 |
uint64_t *ret_who) |
|
1144 |
{ |
|
1145 |
struct passwd *pwd; |
|
1146 |
struct group *grp; |
|
1147 |
uid_t id; |
|
1148 |
||
1149 |
if (*who_type == ZFS_DELEG_EVERYONE || *who_type == ZFS_DELEG_CREATE || |
|
1150 |
*who_type == ZFS_DELEG_NAMED_SET) { |
|
1151 |
*ret_who = -1; |
|
1152 |
return (0); |
|
1153 |
} |
|
1154 |
if (who == NULL && !(*who_type == ZFS_DELEG_EVERYONE)) |
|
1155 |
return (EZFS_BADWHO); |
|
1156 |
||
1157 |
if (*who_type == ZFS_DELEG_WHO_UNKNOWN && |
|
1158 |
strcmp(who, "everyone") == 0) { |
|
1159 |
*ret_who = -1; |
|
1160 |
*who_type = ZFS_DELEG_EVERYONE; |
|
1161 |
return (0); |
|
1162 |
} |
|
1163 |
||
1164 |
pwd = getpwnam(who); |
|
1165 |
grp = getgrnam(who); |
|
1166 |
||
1167 |
if ((*who_type == ZFS_DELEG_USER) && pwd) { |
|
1168 |
*ret_who = pwd->pw_uid; |
|
1169 |
} else if ((*who_type == ZFS_DELEG_GROUP) && grp) { |
|
1170 |
*ret_who = grp->gr_gid; |
|
1171 |
} else if (pwd) { |
|
1172 |
*ret_who = pwd->pw_uid; |
|
1173 |
*who_type = ZFS_DELEG_USER; |
|
1174 |
} else if (grp) { |
|
1175 |
*ret_who = grp->gr_gid; |
|
1176 |
*who_type = ZFS_DELEG_GROUP; |
|
1177 |
} else { |
|
1178 |
char *end; |
|
1179 |
||
1180 |
id = strtol(who, &end, 10); |
|
1181 |
if (errno != 0 || *end != '\0') { |
|
1182 |
return (EZFS_BADWHO); |
|
1183 |
} else { |
|
1184 |
*ret_who = id; |
|
1185 |
if (*who_type == ZFS_DELEG_WHO_UNKNOWN) |
|
1186 |
*who_type = ZFS_DELEG_USER; |
|
1187 |
} |
|
1188 |
} |
|
1189 |
||
1190 |
return (0); |
|
1191 |
} |
|
1192 |
||
1193 |
static void |
|
1194 |
zfs_perms_add_to_nvlist(nvlist_t *who_nvp, char *name, nvlist_t *perms_nvp) |
|
1195 |
{ |
|
1196 |
if (perms_nvp != NULL) { |
|
1197 |
verify(nvlist_add_nvlist(who_nvp, |
|
1198 |
name, perms_nvp) == 0); |
|
1199 |
} else { |
|
1200 |
verify(nvlist_add_boolean(who_nvp, name) == 0); |
|
1201 |
} |
|
1202 |
} |
|
1203 |
||
1204 |
static void |
|
1205 |
helper(zfs_deleg_who_type_t who_type, uint64_t whoid, char *whostr, |
|
1206 |
zfs_deleg_inherit_t inherit, nvlist_t *who_nvp, nvlist_t *perms_nvp, |
|
1207 |
nvlist_t *sets_nvp) |
|
1208 |
{ |
|
1209 |
boolean_t do_perms, do_sets; |
|
1210 |
char name[ZFS_MAX_DELEG_NAME]; |
|
1211 |
||
1212 |
do_perms = (nvlist_next_nvpair(perms_nvp, NULL) != NULL); |
|
1213 |
do_sets = (nvlist_next_nvpair(sets_nvp, NULL) != NULL); |
|
1214 |
||
1215 |
if (!do_perms && !do_sets) |
|
1216 |
do_perms = do_sets = B_TRUE; |
|
1217 |
||
1218 |
if (do_perms) { |
|
1219 |
zfs_deleg_whokey(name, who_type, inherit, |
|
1220 |
(who_type == ZFS_DELEG_NAMED_SET) ? |
|
1221 |
whostr : (void *)&whoid); |
|
1222 |
zfs_perms_add_to_nvlist(who_nvp, name, perms_nvp); |
|
1223 |
} |
|
1224 |
if (do_sets) { |
|
1225 |
zfs_deleg_whokey(name, toupper(who_type), inherit, |
|
1226 |
(who_type == ZFS_DELEG_NAMED_SET) ? |
|
1227 |
whostr : (void *)&whoid); |
|
1228 |
zfs_perms_add_to_nvlist(who_nvp, name, sets_nvp); |
|
1229 |
} |
|
1230 |
} |
|
1231 |
||
1232 |
static void |
|
1233 |
zfs_perms_add_who_nvlist(nvlist_t *who_nvp, uint64_t whoid, void *whostr, |
|
1234 |
nvlist_t *perms_nvp, nvlist_t *sets_nvp, |
|
1235 |
zfs_deleg_who_type_t who_type, zfs_deleg_inherit_t inherit) |
|
1236 |
{ |
|
1237 |
if (who_type == ZFS_DELEG_NAMED_SET || who_type == ZFS_DELEG_CREATE) { |
|
1238 |
helper(who_type, whoid, whostr, 0, |
|
1239 |
who_nvp, perms_nvp, sets_nvp); |
|
1240 |
} else { |
|
1241 |
if (inherit & ZFS_DELEG_PERM_LOCAL) { |
|
1242 |
helper(who_type, whoid, whostr, ZFS_DELEG_LOCAL, |
|
1243 |
who_nvp, perms_nvp, sets_nvp); |
|
1244 |
} |
|
1245 |
if (inherit & ZFS_DELEG_PERM_DESCENDENT) { |
|
1246 |
helper(who_type, whoid, whostr, ZFS_DELEG_DESCENDENT, |
|
1247 |
who_nvp, perms_nvp, sets_nvp); |
|
1248 |
} |
|
1249 |
} |
|
1250 |
} |
|
1251 |
||
1252 |
/* |
|
1253 |
* Construct nvlist to pass down to kernel for setting/removing permissions. |
|
1254 |
* |
|
1255 |
* The nvlist is constructed as a series of nvpairs with an optional embedded |
|
1256 |
* nvlist of permissions to remove or set. The topmost nvpairs are the actual |
|
1257 |
* base attribute named stored in the dsl. |
|
1258 |
* Arguments: |
|
1259 |
* |
|
1260 |
* whostr: is a comma separated list of users, groups, or a single set name. |
|
1261 |
* whostr may be null for everyone or create perms. |
|
1262 |
* who_type: is the type of entry in whostr. Typically this will be |
|
1263 |
* ZFS_DELEG_WHO_UNKNOWN. |
|
1264 |
* perms: comman separated list of permissions. May be null if user |
|
1265 |
* is requested to remove permissions by who. |
|
1266 |
* inherit: Specifies the inheritance of the permissions. Will be either |
|
1267 |
* ZFS_DELEG_PERM_LOCAL and/or ZFS_DELEG_PERM_DESCENDENT. |
|
1268 |
* nvp The constructed nvlist to pass to zfs_perm_set(). |
|
1269 |
* The output nvp will look something like this. |
|
1270 |
* ul$1234 -> {create ; destroy } |
|
1271 |
* Ul$1234 -> { @myset } |
|
1272 |
* s-$@myset - { snapshot; checksum; compression } |
|
1273 |
*/ |
|
1274 |
int |
|
1275 |
zfs_build_perms(zfs_handle_t *zhp, char *whostr, char *perms, |
|
1276 |
zfs_deleg_who_type_t who_type, zfs_deleg_inherit_t inherit, nvlist_t **nvp) |
|
1277 |
{ |
|
1278 |
nvlist_t *who_nvp; |
|
1279 |
nvlist_t *perms_nvp = NULL; |
|
1280 |
nvlist_t *sets_nvp = NULL; |
|
1281 |
char errbuf[1024]; |
|
1282 |
char *who_tok; |
|
1283 |
int error; |
|
1284 |
||
1285 |
*nvp = NULL; |
|
1286 |
||
1287 |
if (perms) { |
|
1288 |
/* Make sure permission string doesn't have an '=' sign in it */ |
|
1289 |
if (strchr(perms, '=') != NULL) { |
|
1290 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1291 |
dgettext(TEXT_DOMAIN, |
|
1292 |
"permissions can't contain equal sign : '%s'"), |
|
1293 |
perms); |
|
1294 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADPERM, errbuf)); |
|
1295 |
} |
|
1296 |
||
1297 |
if ((error = nvlist_alloc(&perms_nvp, |
|
1298 |
NV_UNIQUE_NAME, 0)) != 0) { |
|
1299 |
return (1); |
|
1300 |
} |
|
1301 |
if ((error = nvlist_alloc(&sets_nvp, |
|
1302 |
NV_UNIQUE_NAME, 0)) != 0) { |
|
1303 |
nvlist_free(perms_nvp); |
|
1304 |
return (1); |
|
1305 |
} |
|
1306 |
} |
|
1307 |
||
1308 |
if ((error = nvlist_alloc(&who_nvp, NV_UNIQUE_NAME, 0)) != 0) { |
|
1309 |
if (perms_nvp) |
|
1310 |
nvlist_free(perms_nvp); |
|
1311 |
if (sets_nvp) |
|
1312 |
nvlist_free(sets_nvp); |
|
1313 |
return (1); |
|
1314 |
} |
|
1315 |
||
1316 |
if (who_type == ZFS_DELEG_NAMED_SET) { |
|
1317 |
namecheck_err_t why; |
|
1318 |
char what; |
|
1319 |
||
1320 |
if ((error = permset_namecheck(whostr, &why, &what)) != 0) { |
|
1321 |
switch (why) { |
|
1322 |
case NAME_ERR_NO_AT: |
|
1323 |
zfs_error_aux(zhp->zfs_hdl, |
|
1324 |
dgettext(TEXT_DOMAIN, |
|
1325 |
"set definition must begin with an '@' " |
|
1326 |
"character")); |
|
1327 |
} |
|
1328 |
return (zfs_error(zhp->zfs_hdl, |
|
1329 |
EZFS_BADPERMSET, whostr)); |
|
1330 |
} |
|
1331 |
} |
|
1332 |
||
1333 |
/* |
|
1334 |
* Build up nvlist(s) of permissions. Two nvlists are maintained. |
|
1335 |
* The first nvlist perms_nvp will have normal permissions and the |
|
1336 |
* other sets_nvp will have only permssion set names in it. |
|
1337 |
*/ |
|
1338 |
||
1339 |
||
1340 |
while (perms && *perms != '\0') { |
|
1341 |
char *value; |
|
1342 |
char *perm_name; |
|
1343 |
nvlist_t *update_nvp; |
|
1344 |
int perm_num; |
|
1345 |
char canonical_name[64]; |
|
1346 |
char *canonicalp = canonical_name; |
|
1347 |
||
1348 |
||
1349 |
update_nvp = perms_nvp; |
|
1350 |
||
1351 |
perm_num = getsubopt(&perms, zfs_deleg_perm_tab, &value); |
|
1352 |
if (perm_num == -1) { |
|
1353 |
zfs_prop_t prop; |
|
1354 |
||
1355 |
prop = zfs_name_to_prop(value); |
|
1356 |
if (prop != ZFS_PROP_INVAL) { |
|
1357 |
(void) snprintf(canonical_name, |
|
1358 |
sizeof (canonical_name), "%s", |
|
1359 |
zfs_prop_to_name(prop)); |
|
1360 |
perm_num = getsubopt(&canonicalp, |
|
1361 |
zfs_deleg_perm_tab, &value); |
|
1362 |
} |
|
1363 |
} |
|
1364 |
if (perm_num != -1) { |
|
1365 |
perm_name = zfs_deleg_perm_tab[perm_num]; |
|
1366 |
} else { /* check and see if permission is a named set */ |
|
1367 |
if (value[0] == '@') { |
|
1368 |
||
1369 |
/* |
|
1370 |
* make sure permssion set isn't defined |
|
1371 |
* in terms of itself. ie. |
|
1372 |
* @set1 = create,destroy,@set1 |
|
1373 |
*/ |
|
1374 |
if (who_type == ZFS_DELEG_NAMED_SET && |
|
1375 |
strcmp(value, whostr) == 0) { |
|
1376 |
nvlist_free(who_nvp); |
|
1377 |
nvlist_free(perms_nvp); |
|
1378 |
if (sets_nvp) |
|
1379 |
nvlist_free(sets_nvp); |
|
1380 |
(void) snprintf(errbuf, |
|
1381 |
sizeof (errbuf), |
|
1382 |
dgettext(TEXT_DOMAIN, |
|
1383 |
"Invalid permission %s"), value); |
|
1384 |
return (zfs_error(zhp->zfs_hdl, |
|
1385 |
EZFS_PERMSET_CIRCULAR, errbuf)); |
|
1386 |
} |
|
1387 |
update_nvp = sets_nvp; |
|
1388 |
perm_name = value; |
|
1389 |
} else { |
|
1390 |
nvlist_free(who_nvp); |
|
1391 |
nvlist_free(perms_nvp); |
|
1392 |
if (sets_nvp) |
|
1393 |
nvlist_free(sets_nvp); |
|
1394 |
return (zfs_error(zhp->zfs_hdl, |
|
1395 |
EZFS_BADPERM, value)); |
|
1396 |
} |
|
1397 |
} |
|
1398 |
verify(nvlist_add_boolean(update_nvp, perm_name) == 0); |
|
1399 |
} |
|
1400 |
||
1401 |
if (whostr && who_type != ZFS_DELEG_CREATE) { |
|
1402 |
who_tok = strtok(whostr, ","); |
|
1403 |
if (who_tok == NULL) { |
|
1404 |
nvlist_free(who_nvp); |
|
1405 |
nvlist_free(perms_nvp); |
|
1406 |
if (sets_nvp) |
|
1407 |
nvlist_free(sets_nvp); |
|
1408 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1409 |
dgettext(TEXT_DOMAIN, "Who string is NULL"), |
|
1410 |
whostr); |
|
1411 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADWHO, errbuf)); |
|
1412 |
} |
|
1413 |
} |
|
1414 |
||
1415 |
/* |
|
1416 |
* Now create the nvlist(s) |
|
1417 |
*/ |
|
1418 |
do { |
|
1419 |
uint64_t who_id; |
|
1420 |
||
1421 |
error = zfs_get_perm_who(who_tok, &who_type, |
|
1422 |
&who_id); |
|
1423 |
if (error) { |
|
1424 |
nvlist_free(who_nvp); |
|
1425 |
nvlist_free(perms_nvp); |
|
1426 |
if (sets_nvp) |
|
1427 |
nvlist_free(sets_nvp); |
|
1428 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1429 |
dgettext(TEXT_DOMAIN, |
|
1430 |
"Unable to determine uid/gid for " |
|
1431 |
"%s "), who_tok); |
|
1432 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADWHO, errbuf)); |
|
1433 |
} |
|
1434 |
||
1435 |
/* |
|
1436 |
* add entries for both local and descendent when required |
|
1437 |
*/ |
|
1438 |
||
1439 |
zfs_perms_add_who_nvlist(who_nvp, who_id, who_tok, |
|
1440 |
perms_nvp, sets_nvp, who_type, inherit); |
|
1441 |
||
1442 |
} while (who_tok = strtok(NULL, ",")); |
|
1443 |
*nvp = who_nvp; |
|
1444 |
return (0); |
|
1445 |
} |
|
1446 |
||
1447 |
static int |
|
1448 |
zfs_perm_set_common(zfs_handle_t *zhp, nvlist_t *nvp, boolean_t unset) |
|
1449 |
{ |
|
1450 |
zfs_cmd_t zc = { 0 }; |
|
1451 |
int error; |
|
1452 |
size_t sz; |
|
1453 |
char errbuf[1024]; |
|
1454 |
||
1455 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1456 |
dgettext(TEXT_DOMAIN, "Cannot update 'allows' for '%s'"), |
|
1457 |
zhp->zfs_name); |
|
1458 |
||
1459 |
if (zcmd_write_src_nvlist(zhp->zfs_hdl, &zc, nvp, &sz)) |
|
1460 |
return (-1); |
|
1461 |
||
1462 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
1463 |
zc.zc_perm_action = unset; |
|
1464 |
||
1465 |
error = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SET_FSACL, &zc); |
|
1466 |
if (error && errno == ENOTSUP) { |
|
1467 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1468 |
gettext("Pool must be upgraded to use 'allow/unallow'")); |
|
1469 |
zcmd_free_nvlists(&zc); |
|
1470 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADVERSION, errbuf)); |
|
1471 |
} else if (error) { |
|
1472 |
return (zfs_standard_error(zhp->zfs_hdl, errno, errbuf)); |
|
1473 |
} |
|
1474 |
zcmd_free_nvlists(&zc); |
|
1475 |
||
1476 |
return (error); |
|
1477 |
} |
|
1478 |
||
1479 |
int |
|
1480 |
zfs_perm_set(zfs_handle_t *zhp, nvlist_t *nvp) |
|
1481 |
{ |
|
1482 |
return (zfs_perm_set_common(zhp, nvp, B_FALSE)); |
|
1483 |
} |
|
1484 |
||
1485 |
int |
|
1486 |
zfs_perm_remove(zfs_handle_t *zhp, nvlist_t *perms) |
|
1487 |
{ |
|
1488 |
return (zfs_perm_set_common(zhp, perms, B_TRUE)); |
|
1489 |
} |
|
1490 |
||
1491 |
static int |
|
1492 |
perm_compare(const void *arg1, const void *arg2) |
|
1493 |
{ |
|
1494 |
const zfs_perm_node_t *node1 = arg1; |
|
1495 |
const zfs_perm_node_t *node2 = arg2; |
|
1496 |
int ret; |
|
1497 |
||
1498 |
ret = strcmp(node1->z_pname, node2->z_pname); |
|
1499 |
||
1500 |
if (ret > 0) |
|
1501 |
return (1); |
|
1502 |
if (ret < 0) |
|
1503 |
return (-1); |
|
1504 |
else |
|
1505 |
return (0); |
|
1506 |
} |
|
1507 |
||
1508 |
static void |
|
1509 |
zfs_destroy_perm_tree(avl_tree_t *tree) |
|
1510 |
{ |
|
1511 |
zfs_perm_node_t *permnode; |
|
1512 |
void *cookie; |
|
1513 |
||
1514 |
cookie = NULL; |
|
1515 |
while ((permnode = avl_destroy_nodes(tree, &cookie)) != NULL) { |
|
1516 |
avl_remove(tree, permnode); |
|
1517 |
free(permnode); |
|
1518 |
} |
|
1519 |
} |
|
1520 |
||
1521 |
static void |
|
1522 |
zfs_destroy_tree(avl_tree_t *tree) |
|
1523 |
{ |
|
1524 |
zfs_allow_node_t *allownode; |
|
1525 |
void *cookie; |
|
1526 |
||
1527 |
cookie = NULL; |
|
1528 |
while ((allownode = avl_destroy_nodes(tree, &cookie)) != NULL) { |
|
1529 |
zfs_destroy_perm_tree(&allownode->z_localdescend); |
|
1530 |
zfs_destroy_perm_tree(&allownode->z_local); |
|
1531 |
zfs_destroy_perm_tree(&allownode->z_descend); |
|
1532 |
avl_remove(tree, allownode); |
|
1533 |
free(allownode); |
|
1534 |
} |
|
1535 |
} |
|
1536 |
||
1537 |
void |
|
1538 |
zfs_free_allows(zfs_allow_t *allow) |
|
1539 |
{ |
|
1540 |
zfs_allow_t *allownext; |
|
1541 |
zfs_allow_t *freeallow; |
|
1542 |
||
1543 |
allownext = allow; |
|
1544 |
while (allownext) { |
|
1545 |
zfs_destroy_tree(&allownext->z_sets); |
|
1546 |
zfs_destroy_tree(&allownext->z_crperms); |
|
1547 |
zfs_destroy_tree(&allownext->z_user); |
|
1548 |
zfs_destroy_tree(&allownext->z_group); |
|
1549 |
zfs_destroy_tree(&allownext->z_everyone); |
|
1550 |
freeallow = allownext; |
|
1551 |
allownext = allownext->z_next; |
|
1552 |
free(freeallow); |
|
1553 |
} |
|
1554 |
} |
|
1555 |
||
1556 |
static zfs_allow_t * |
|
1557 |
zfs_alloc_perm_tree(zfs_handle_t *zhp, zfs_allow_t *prev, char *setpoint) |
|
1558 |
{ |
|
1559 |
zfs_allow_t *ptree; |
|
1560 |
||
1561 |
if ((ptree = zfs_alloc(zhp->zfs_hdl, |
|
1562 |
sizeof (zfs_allow_t))) == NULL) { |
|
1563 |
return (NULL); |
|
1564 |
} |
|
1565 |
||
1566 |
(void) strlcpy(ptree->z_setpoint, setpoint, sizeof (ptree->z_setpoint)); |
|
1567 |
avl_create(&ptree->z_sets, |
|
1568 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1569 |
offsetof(zfs_allow_node_t, z_node)); |
|
1570 |
avl_create(&ptree->z_crperms, |
|
1571 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1572 |
offsetof(zfs_allow_node_t, z_node)); |
|
1573 |
avl_create(&ptree->z_user, |
|
1574 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1575 |
offsetof(zfs_allow_node_t, z_node)); |
|
1576 |
avl_create(&ptree->z_group, |
|
1577 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1578 |
offsetof(zfs_allow_node_t, z_node)); |
|
1579 |
avl_create(&ptree->z_everyone, |
|
1580 |
perm_compare, sizeof (zfs_allow_node_t), |
|
1581 |
offsetof(zfs_allow_node_t, z_node)); |
|
1582 |
||
1583 |
if (prev) |
|
1584 |
prev->z_next = ptree; |
|
1585 |
ptree->z_next = NULL; |
|
1586 |
return (ptree); |
|
1587 |
} |
|
1588 |
||
1589 |
/* |
|
1590 |
* Add permissions to the appropriate AVL permission tree. |
|
1591 |
* The appropriate tree may not be the requested tree. |
|
1592 |
* For example if ld indicates a local permission, but |
|
1593 |
* same permission also exists as a descendent permission |
|
1594 |
* then the permission will be removed from the descendent |
|
1595 |
* tree and add the the local+descendent tree. |
|
1596 |
*/ |
|
1597 |
static int |
|
1598 |
zfs_coalesce_perm(zfs_handle_t *zhp, zfs_allow_node_t *allownode, |
|
1599 |
char *perm, char ld) |
|
1600 |
{ |
|
1601 |
zfs_perm_node_t pnode, *permnode, *permnode2; |
|
1602 |
zfs_perm_node_t *newnode; |
|
1603 |
avl_index_t where, where2; |
|
1604 |
avl_tree_t *tree, *altree; |
|
1605 |
||
1606 |
(void) strlcpy(pnode.z_pname, perm, sizeof (pnode.z_pname)); |
|
1607 |
||
1608 |
if (ld == ZFS_DELEG_NA) { |
|
1609 |
tree = &allownode->z_localdescend; |
|
1610 |
altree = &allownode->z_descend; |
|
1611 |
} else if (ld == ZFS_DELEG_LOCAL) { |
|
1612 |
tree = &allownode->z_local; |
|
1613 |
altree = &allownode->z_descend; |
|
1614 |
} else { |
|
1615 |
tree = &allownode->z_descend; |
|
1616 |
altree = &allownode->z_local; |
|
1617 |
} |
|
1618 |
permnode = avl_find(tree, &pnode, &where); |
|
1619 |
permnode2 = avl_find(altree, &pnode, &where2); |
|
1620 |
||
1621 |
if (permnode2) { |
|
1622 |
avl_remove(altree, permnode2); |
|
1623 |
free(permnode2); |
|
1624 |
if (permnode == NULL) { |
|
1625 |
tree = &allownode->z_localdescend; |
|
1626 |
} |
|
1627 |
} |
|
1628 |
||
1629 |
/* |
|
1630 |
* Now insert new permission in either requested location |
|
1631 |
* local/descendent or into ld when perm will exist in both. |
|
1632 |
*/ |
|
1633 |
if (permnode == NULL) { |
|
1634 |
if ((newnode = zfs_alloc(zhp->zfs_hdl, |
|
1635 |
sizeof (zfs_perm_node_t))) == NULL) { |
|
1636 |
return (-1); |
|
1637 |
} |
|
1638 |
*newnode = pnode; |
|
1639 |
avl_add(tree, newnode); |
|
1640 |
} |
|
1641 |
return (0); |
|
1642 |
} |
|
1643 |
/* |
|
1644 |
* Uggh, this is going to be a bit complicated. |
|
1645 |
* we have an nvlist coming out of the kernel that |
|
1646 |
* will indicate where the permission is set and then |
|
1647 |
* it will contain allow of the various "who's", and what |
|
1648 |
* their permissions are. To further complicate this |
|
1649 |
* we will then have to coalesce the local,descendent |
|
1650 |
* and local+descendent permissions where appropriate. |
|
1651 |
* The kernel only knows about a permission as being local |
|
1652 |
* or descendent, but not both. |
|
1653 |
* |
|
1654 |
* In order to make this easier for zfs_main to deal with |
|
1655 |
* a series of AVL trees will be used to maintain |
|
1656 |
* all of this, primarily for sorting purposes as well |
|
1657 |
* as the ability to quickly locate a specific entry. |
|
1658 |
* |
|
1659 |
* What we end up with are tree's for sets, create perms, |
|
1660 |
* user, groups and everyone. With each of those trees |
|
1661 |
* we have subtrees for local, descendent and local+descendent |
|
1662 |
* permissions. |
|
1663 |
*/ |
|
1664 |
int |
|
1665 |
zfs_perm_get(zfs_handle_t *zhp, zfs_allow_t **zfs_perms) |
|
1666 |
{ |
|
1667 |
zfs_cmd_t zc = { 0 }; |
|
1668 |
int error; |
|
1669 |
nvlist_t *nvlist; |
|
1670 |
nvlist_t *permnv, *sourcenv; |
|
1671 |
nvpair_t *who_pair, *source_pair; |
|
1672 |
nvpair_t *perm_pair; |
|
1673 |
char errbuf[1024]; |
|
1674 |
zfs_allow_t *zallowp, *newallowp; |
|
1675 |
char ld; |
|
1676 |
char *nvpname; |
|
1677 |
uid_t uid; |
|
1678 |
gid_t gid; |
|
1679 |
avl_tree_t *tree; |
|
1680 |
avl_index_t where; |
|
1681 |
||
1682 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
1683 |
||
1684 |
if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0) |
|
1685 |
return (-1); |
|
1686 |
||
1687 |
while (ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_GET_FSACL, &zc) != 0) { |
|
1688 |
if (errno == ENOMEM) { |
|
1689 |
if (zcmd_expand_dst_nvlist(zhp->zfs_hdl, &zc) != 0) { |
|
1690 |
zcmd_free_nvlists(&zc); |
|
1691 |
return (-1); |
|
1692 |
} |
|
1693 |
} else if (errno == ENOTSUP) { |
|
1694 |
zcmd_free_nvlists(&zc); |
|
1695 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
1696 |
gettext("Pool must be upgraded to use 'allow'")); |
|
1697 |
return (zfs_error(zhp->zfs_hdl, |
|
1698 |
EZFS_BADVERSION, errbuf)); |
|
1699 |
} else { |
|
1700 |
zcmd_free_nvlists(&zc); |
|
1701 |
return (-1); |
|
1702 |
} |
|
1703 |
} |
|
1704 |
||
1705 |
if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &nvlist) != 0) { |
|
1706 |
zcmd_free_nvlists(&zc); |
|
1707 |
return (-1); |
|
1708 |
} |
|
1709 |
||
1710 |
zcmd_free_nvlists(&zc); |
|
1711 |
||
1712 |
source_pair = nvlist_next_nvpair(nvlist, NULL); |
|
1713 |
||
1714 |
if (source_pair == NULL) { |
|
1715 |
*zfs_perms = NULL; |
|
1716 |
return (0); |
|
1717 |
} |
|
1718 |
||
1719 |
*zfs_perms = zfs_alloc_perm_tree(zhp, NULL, nvpair_name(source_pair)); |
|
1720 |
if (*zfs_perms == NULL) { |
|
1721 |
return (0); |
|
1722 |
} |
|
1723 |
||
1724 |
zallowp = *zfs_perms; |
|
1725 |
||
1726 |
for (;;) { |
|
1727 |
struct passwd *pwd; |
|
1728 |
struct group *grp; |
|
1729 |
zfs_allow_node_t *allownode; |
|
1730 |
zfs_allow_node_t findallownode; |
|
1731 |
zfs_allow_node_t *newallownode; |
|
1732 |
||
1733 |
(void) strlcpy(zallowp->z_setpoint, |
|
1734 |
nvpair_name(source_pair), |
|
1735 |
sizeof (zallowp->z_setpoint)); |
|
1736 |
||
1737 |
if ((error = nvpair_value_nvlist(source_pair, &sourcenv)) != 0) |
|
1738 |
goto abort; |
|
1739 |
||
1740 |
/* |
|
1741 |
* Make sure nvlist is composed correctly |
|
1742 |
*/ |
|
1743 |
if (zfs_deleg_verify_nvlist(sourcenv)) { |
|
1744 |
goto abort; |
|
1745 |
} |
|
1746 |
||
1747 |
who_pair = nvlist_next_nvpair(sourcenv, NULL); |
|
1748 |
if (who_pair == NULL) { |
|
1749 |
goto abort; |
|
1750 |
} |
|
1751 |
||
1752 |
do { |
|
1753 |
error = nvpair_value_nvlist(who_pair, &permnv); |
|
1754 |
if (error) { |
|
1755 |
goto abort; |
|
1756 |
} |
|
1757 |
||
1758 |
/* |
|
1759 |
* First build up the key to use |
|
1760 |
* for looking up in the various |
|
1761 |
* who trees. |
|
1762 |
*/ |
|
1763 |
ld = nvpair_name(who_pair)[1]; |
|
1764 |
nvpname = nvpair_name(who_pair); |
|
1765 |
switch (nvpair_name(who_pair)[0]) { |
|
1766 |
case ZFS_DELEG_USER: |
|
1767 |
case ZFS_DELEG_USER_SETS: |
|
1768 |
tree = &zallowp->z_user; |
|
1769 |
uid = atol(&nvpname[3]); |
|
1770 |
pwd = getpwuid(uid); |
|
1771 |
(void) snprintf(findallownode.z_key, |
|
1772 |
sizeof (findallownode.z_key), "user %s", |
|
1773 |
(pwd) ? pwd->pw_name : |
|
1774 |
&nvpair_name(who_pair)[3]); |
|
1775 |
break; |
|
1776 |
case ZFS_DELEG_GROUP: |
|
1777 |
case ZFS_DELEG_GROUP_SETS: |
|
1778 |
tree = &zallowp->z_group; |
|
1779 |
gid = atol(&nvpname[3]); |
|
1780 |
grp = getgrgid(gid); |
|
1781 |
(void) snprintf(findallownode.z_key, |
|
1782 |
sizeof (findallownode.z_key), "group %s", |
|
1783 |
(grp) ? grp->gr_name : |
|
1784 |
&nvpair_name(who_pair)[3]); |
|
1785 |
break; |
|
1786 |
case ZFS_DELEG_CREATE: |
|
1787 |
case ZFS_DELEG_CREATE_SETS: |
|
1788 |
tree = &zallowp->z_crperms; |
|
1789 |
(void) strlcpy(findallownode.z_key, "", |
|
1790 |
sizeof (findallownode.z_key)); |
|
1791 |
break; |
|
1792 |
case ZFS_DELEG_EVERYONE: |
|
1793 |
case ZFS_DELEG_EVERYONE_SETS: |
|
1794 |
(void) snprintf(findallownode.z_key, |
|
1795 |
sizeof (findallownode.z_key), "everyone"); |
|
1796 |
tree = &zallowp->z_everyone; |
|
1797 |
break; |
|
1798 |
case ZFS_DELEG_NAMED_SET: |
|
1799 |
case ZFS_DELEG_NAMED_SET_SETS: |
|
1800 |
(void) snprintf(findallownode.z_key, |
|
1801 |
sizeof (findallownode.z_key), "%s", |
|
1802 |
&nvpair_name(who_pair)[3]); |
|
1803 |
tree = &zallowp->z_sets; |
|
1804 |
break; |
|
1805 |
} |
|
1806 |
||
1807 |
/* |
|
1808 |
* Place who in tree |
|
1809 |
*/ |
|
1810 |
allownode = avl_find(tree, &findallownode, &where); |
|
1811 |
if (allownode == NULL) { |
|
1812 |
if ((newallownode = zfs_alloc(zhp->zfs_hdl, |
|
1813 |
sizeof (zfs_allow_node_t))) == NULL) { |
|
1814 |
goto abort; |
|
1815 |
} |
|
1816 |
avl_create(&newallownode->z_localdescend, |
|
1817 |
perm_compare, |
|
1818 |
sizeof (zfs_perm_node_t), |
|
1819 |
offsetof(zfs_perm_node_t, z_node)); |
|
1820 |
avl_create(&newallownode->z_local, |
|
1821 |
perm_compare, |
|
1822 |
sizeof (zfs_perm_node_t), |
|
1823 |
offsetof(zfs_perm_node_t, z_node)); |
|
1824 |
avl_create(&newallownode->z_descend, |
|
1825 |
perm_compare, |
|
1826 |
sizeof (zfs_perm_node_t), |
|
1827 |
offsetof(zfs_perm_node_t, z_node)); |
|
1828 |
(void) strlcpy(newallownode->z_key, |
|
1829 |
findallownode.z_key, |
|
1830 |
sizeof (findallownode.z_key)); |
|
1831 |
avl_insert(tree, newallownode, where); |
|
1832 |
allownode = newallownode; |
|
1833 |
} |
|
1834 |
||
1835 |
/* |
|
1836 |
* Now iterate over the permissions and |
|
1837 |
* place them in the appropriate local, |
|
1838 |
* descendent or local+descendent tree. |
|
1839 |
* |
|
1840 |
* The permissions are added to the tree |
|
1841 |
* via zfs_coalesce_perm(). |
|
1842 |
*/ |
|
1843 |
perm_pair = nvlist_next_nvpair(permnv, NULL); |
|
1844 |
if (perm_pair == NULL) |
|
1845 |
goto abort; |
|
1846 |
do { |
|
1847 |
if (zfs_coalesce_perm(zhp, allownode, |
|
1848 |
nvpair_name(perm_pair), ld) != 0) |
|
1849 |
goto abort; |
|
1850 |
} while (perm_pair = nvlist_next_nvpair(permnv, |
|
1851 |
perm_pair)); |
|
1852 |
} while (who_pair = nvlist_next_nvpair(sourcenv, who_pair)); |
|
1853 |
||
1854 |
source_pair = nvlist_next_nvpair(nvlist, source_pair); |
|
1855 |
if (source_pair == NULL) |
|
1856 |
break; |
|
1857 |
||
1858 |
/* |
|
1859 |
* allocate another node from the link list of |
|
1860 |
* zfs_allow_t structures |
|
1861 |
*/ |
|
1862 |
newallowp = zfs_alloc_perm_tree(zhp, zallowp, |
|
1863 |
nvpair_name(source_pair)); |
|
1864 |
if (newallowp == NULL) { |
|
1865 |
goto abort; |
|
1866 |
} |
|
1867 |
zallowp = newallowp; |
|
1868 |
} |
|
1869 |
nvlist_free(nvlist); |
|
1870 |
return (0); |
|
1871 |
abort: |
|
1872 |
zfs_free_allows(*zfs_perms); |
|
1873 |
nvlist_free(nvlist); |
|
1874 |
return (-1); |
|
1875 |
} |
|
1876 |
||
789 | 1877 |
/* |
1878 |
* Given a property name and value, set the property for the given dataset. |
|
1879 |
*/ |
|
1880 |
int |
|
2676 | 1881 |
zfs_prop_set(zfs_handle_t *zhp, const char *propname, const char *propval) |
789 | 1882 |
{ |
1883 |
zfs_cmd_t zc = { 0 }; |
|
2676 | 1884 |
int ret = -1; |
1885 |
prop_changelist_t *cl = NULL; |
|
2082 | 1886 |
char errbuf[1024]; |
1887 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
2676 | 1888 |
nvlist_t *nvl = NULL, *realprops; |
1889 |
zfs_prop_t prop; |
|
2082 | 1890 |
|
1891 |
(void) snprintf(errbuf, sizeof (errbuf), |
|
2676 | 1892 |
dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), |
2082 | 1893 |
zhp->zfs_name); |
1894 |
||
2676 | 1895 |
if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0 || |
1896 |
nvlist_add_string(nvl, propname, propval) != 0) { |
|
1897 |
(void) no_memory(hdl); |
|
1898 |
goto error; |
|
789 | 1899 |
} |
1900 |
||
3912 | 1901 |
if ((realprops = zfs_validate_properties(hdl, zhp->zfs_type, NULL, nvl, |
2676 | 1902 |
zfs_prop_get_int(zhp, ZFS_PROP_ZONED), zhp, errbuf)) == NULL) |
1903 |
goto error; |
|
1904 |
nvlist_free(nvl); |
|
1905 |
nvl = realprops; |
|
1906 |
||
1907 |
prop = zfs_name_to_prop(propname); |
|
1908 |
||
789 | 1909 |
if ((cl = changelist_gather(zhp, prop, 0)) == NULL) |
2676 | 1910 |
goto error; |
789 | 1911 |
|
1912 |
if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) { |
|
2082 | 1913 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
1914 |
"child dataset with inherited mountpoint is used " |
|
1915 |
"in a non-global zone")); |
|
1916 |
ret = zfs_error(hdl, EZFS_ZONED, errbuf); |
|
789 | 1917 |
goto error; |
1918 |
} |
|
1919 |
||
1920 |
if ((ret = changelist_prefix(cl)) != 0) |
|
1921 |
goto error; |
|
1922 |
||
1923 |
/* |
|
1924 |
* Execute the corresponding ioctl() to set this property. |
|
1925 |
*/ |
|
1926 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
1927 |
||
2676 | 1928 |
if (zcmd_write_src_nvlist(hdl, &zc, nvl, NULL) != 0) |
1929 |
goto error; |
|
1930 |
||
4543 | 1931 |
ret = zfs_ioctl(hdl, ZFS_IOC_SET_PROP, &zc); |
789 | 1932 |
|
1933 |
if (ret != 0) { |
|
1934 |
switch (errno) { |
|
1935 |
||
1936 |
case ENOSPC: |
|
1937 |
/* |
|
1938 |
* For quotas and reservations, ENOSPC indicates |
|
1939 |
* something different; setting a quota or reservation |
|
1940 |
* doesn't use any disk space. |
|
1941 |
*/ |
|
1942 |
switch (prop) { |
|
1943 |
case ZFS_PROP_QUOTA: |
|
2082 | 1944 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
1945 |
"size is less than current used or " |
|
1946 |
"reserved space")); |
|
1947 |
(void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); |
|
789 | 1948 |
break; |
1949 |
||
1950 |
case ZFS_PROP_RESERVATION: |
|
2082 | 1951 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
1952 |
"size is greater than available space")); |
|
1953 |
(void) zfs_error(hdl, EZFS_PROPSPACE, errbuf); |
|
789 | 1954 |
break; |
1955 |
||
1956 |
default: |
|
2082 | 1957 |
(void) zfs_standard_error(hdl, errno, errbuf); |
789 | 1958 |
break; |
1959 |
} |
|
1960 |
break; |
|
1961 |
||
1962 |
case EBUSY: |
|
2082 | 1963 |
if (prop == ZFS_PROP_VOLBLOCKSIZE) |
1964 |
(void) zfs_error(hdl, EZFS_VOLHASDATA, errbuf); |
|
1965 |
else |
|
2676 | 1966 |
(void) zfs_standard_error(hdl, EBUSY, errbuf); |
789 | 1967 |
break; |
1968 |
||
1175
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
1133
diff
changeset
|
1969 |
case EROFS: |
2082 | 1970 |
(void) zfs_error(hdl, EZFS_DSREADONLY, errbuf); |
1175
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
1133
diff
changeset
|
1971 |
break; |
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
1133
diff
changeset
|
1972 |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
1973 |
case ENOTSUP: |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
1974 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
1975 |
"pool must be upgraded to allow gzip compression")); |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
1976 |
(void) zfs_error(hdl, EZFS_BADVERSION, errbuf); |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
1977 |
break; |
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3835
diff
changeset
|
1978 |
|
789 | 1979 |
case EOVERFLOW: |
1980 |
/* |
|
1981 |
* This platform can't address a volume this big. |
|
1982 |
*/ |
|
1983 |
#ifdef _ILP32 |
|
1984 |
if (prop == ZFS_PROP_VOLSIZE) { |
|
2082 | 1985 |
(void) zfs_error(hdl, EZFS_VOLTOOBIG, errbuf); |
789 | 1986 |
break; |
1987 |
} |
|
1988 |
#endif |
|
2082 | 1989 |
/* FALLTHROUGH */ |
789 | 1990 |
default: |
2082 | 1991 |
(void) zfs_standard_error(hdl, errno, errbuf); |
789 | 1992 |
} |
1993 |
} else { |
|
1994 |
/* |
|
1995 |
* Refresh the statistics so the new property value |
|
1996 |
* is reflected. |
|
1997 |
*/ |
|
2676 | 1998 |
if ((ret = changelist_postfix(cl)) == 0) |
1999 |
(void) get_stats(zhp); |
|
789 | 2000 |
} |
2001 |
||
2002 |
error: |
|
2676 | 2003 |
nvlist_free(nvl); |
2004 |
zcmd_free_nvlists(&zc); |
|
2005 |
if (cl) |
|
2006 |
changelist_free(cl); |
|
789 | 2007 |
return (ret); |
2008 |
} |
|
2009 |
||
2010 |
/* |
|
2011 |
* Given a property, inherit the value from the parent dataset. |
|
2012 |
*/ |
|
2013 |
int |
|
2676 | 2014 |
zfs_prop_inherit(zfs_handle_t *zhp, const char *propname) |
789 | 2015 |
{ |
2016 |
zfs_cmd_t zc = { 0 }; |
|
2017 |
int ret; |
|
2018 |
prop_changelist_t *cl; |
|
2082 | 2019 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
2020 |
char errbuf[1024]; |
|
2676 | 2021 |
zfs_prop_t prop; |
2082 | 2022 |
|
2023 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
2024 |
"cannot inherit %s for '%s'"), propname, zhp->zfs_name); |
|
789 | 2025 |
|
2676 | 2026 |
if ((prop = zfs_name_to_prop(propname)) == ZFS_PROP_INVAL) { |
2027 |
/* |
|
2028 |
* For user properties, the amount of work we have to do is very |
|
2029 |
* small, so just do it here. |
|
2030 |
*/ |
|
2031 |
if (!zfs_prop_user(propname)) { |
|
2032 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
2033 |
"invalid property")); |
|
2034 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
2035 |
} |
|
2036 |
||
2037 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
2038 |
(void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value)); |
|
2039 |
||
4543 | 2040 |
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SET_PROP, &zc) != 0) |
2676 | 2041 |
return (zfs_standard_error(hdl, errno, errbuf)); |
2042 |
||
2043 |
return (0); |
|
2044 |
} |
|
2045 |
||
789 | 2046 |
/* |
2047 |
* Verify that this property is inheritable. |
|
2048 |
*/ |
|
2082 | 2049 |
if (zfs_prop_readonly(prop)) |
2050 |
return (zfs_error(hdl, EZFS_PROPREADONLY, errbuf)); |
|
2051 |
||
2052 |
if (!zfs_prop_inheritable(prop)) |
|
2053 |
return (zfs_error(hdl, EZFS_PROPNONINHERIT, errbuf)); |
|
789 | 2054 |
|
2055 |
/* |
|
2056 |
* Check to see if the value applies to this type |
|
2057 |
*/ |
|
2082 | 2058 |
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) |
2059 |
return (zfs_error(hdl, EZFS_PROPTYPE, errbuf)); |
|
789 | 2060 |
|
3443
e0e00ef6cee8
6494654 zfs inherit can't handle property short names
rm160521
parents:
3417
diff
changeset
|
2061 |
/* |
e0e00ef6cee8
6494654 zfs inherit can't handle property short names
rm160521
parents:
3417
diff
changeset
|
2062 |
* Normalize the name, to get rid of shorthand abbrevations. |
e0e00ef6cee8
6494654 zfs inherit can't handle property short names
rm160521
parents:
3417
diff
changeset
|
2063 |
*/ |
e0e00ef6cee8
6494654 zfs inherit can't handle property short names
rm160521
parents:
3417
diff
changeset
|
2064 |
propname = zfs_prop_to_name(prop); |
789 | 2065 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
2676 | 2066 |
(void) strlcpy(zc.zc_value, propname, sizeof (zc.zc_value)); |
789 | 2067 |
|
2068 |
if (prop == ZFS_PROP_MOUNTPOINT && getzoneid() == GLOBAL_ZONEID && |
|
2069 |
zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) { |
|
2082 | 2070 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2071 |
"dataset is used in a non-global zone")); |
|
2072 |
return (zfs_error(hdl, EZFS_ZONED, errbuf)); |
|
789 | 2073 |
} |
2074 |
||
2075 |
/* |
|
2076 |
* Determine datasets which will be affected by this change, if any. |
|
2077 |
*/ |
|
2078 |
if ((cl = changelist_gather(zhp, prop, 0)) == NULL) |
|
2079 |
return (-1); |
|
2080 |
||
2081 |
if (prop == ZFS_PROP_MOUNTPOINT && changelist_haszonedchild(cl)) { |
|
2082 | 2082 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2083 |
"child dataset with inherited mountpoint is used " |
|
2084 |
"in a non-global zone")); |
|
2085 |
ret = zfs_error(hdl, EZFS_ZONED, errbuf); |
|
789 | 2086 |
goto error; |
2087 |
} |
|
2088 |
||
2089 |
if ((ret = changelist_prefix(cl)) != 0) |
|
2090 |
goto error; |
|
2091 |
||
4543 | 2092 |
if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SET_PROP, &zc)) != 0) { |
2082 | 2093 |
return (zfs_standard_error(hdl, errno, errbuf)); |
789 | 2094 |
} else { |
2095 |
||
2169
0152c8ed1663
6385436 zfs set <property> returns an error, but still sets property value (fix build)
nd150628
parents:
2166
diff
changeset
|
2096 |
if ((ret = changelist_postfix(cl)) != 0) |
789 | 2097 |
goto error; |
2098 |
||
2099 |
/* |
|
2100 |
* Refresh the statistics so the new property is reflected. |
|
2101 |
*/ |
|
2102 |
(void) get_stats(zhp); |
|
2103 |
} |
|
2104 |
||
2105 |
error: |
|
2106 |
changelist_free(cl); |
|
2107 |
return (ret); |
|
2108 |
} |
|
2109 |
||
3912 | 2110 |
void |
789 | 2111 |
nicebool(int value, char *buf, size_t buflen) |
2112 |
{ |
|
2113 |
if (value) |
|
2114 |
(void) strlcpy(buf, "on", buflen); |
|
2115 |
else |
|
2116 |
(void) strlcpy(buf, "off", buflen); |
|
2117 |
} |
|
2118 |
||
2119 |
/* |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2120 |
* True DSL properties are stored in an nvlist. The following two functions |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2121 |
* extract them appropriately. |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2122 |
*/ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2123 |
static uint64_t |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2124 |
getprop_uint64(zfs_handle_t *zhp, zfs_prop_t prop, char **source) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2125 |
{ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2126 |
nvlist_t *nv; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2127 |
uint64_t value; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2128 |
|
2885 | 2129 |
*source = NULL; |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2130 |
if (nvlist_lookup_nvlist(zhp->zfs_props, |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2131 |
zfs_prop_to_name(prop), &nv) == 0) { |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2132 |
verify(nvlist_lookup_uint64(nv, ZFS_PROP_VALUE, &value) == 0); |
2885 | 2133 |
(void) nvlist_lookup_string(nv, ZFS_PROP_SOURCE, source); |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2134 |
} else { |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2135 |
value = zfs_prop_default_numeric(prop); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2136 |
*source = ""; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2137 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2138 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2139 |
return (value); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2140 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2141 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2142 |
static char * |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2143 |
getprop_string(zfs_handle_t *zhp, zfs_prop_t prop, char **source) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2144 |
{ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2145 |
nvlist_t *nv; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2146 |
char *value; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2147 |
|
2885 | 2148 |
*source = NULL; |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2149 |
if (nvlist_lookup_nvlist(zhp->zfs_props, |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2150 |
zfs_prop_to_name(prop), &nv) == 0) { |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2151 |
verify(nvlist_lookup_string(nv, ZFS_PROP_VALUE, &value) == 0); |
2885 | 2152 |
(void) nvlist_lookup_string(nv, ZFS_PROP_SOURCE, source); |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2153 |
} else { |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2154 |
if ((value = (char *)zfs_prop_default_string(prop)) == NULL) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2155 |
value = ""; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2156 |
*source = ""; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2157 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2158 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2159 |
return (value); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2160 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2161 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2162 |
/* |
789 | 2163 |
* Internal function for getting a numeric property. Both zfs_prop_get() and |
2164 |
* zfs_prop_get_int() are built using this interface. |
|
2165 |
* |
|
2166 |
* Certain properties can be overridden using 'mount -o'. In this case, scan |
|
2167 |
* the contents of the /etc/mnttab entry, searching for the appropriate options. |
|
2168 |
* If they differ from the on-disk values, report the current values and mark |
|
2169 |
* the source "temporary". |
|
2170 |
*/ |
|
2082 | 2171 |
static int |
789 | 2172 |
get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zfs_source_t *src, |
2082 | 2173 |
char **source, uint64_t *val) |
789 | 2174 |
{ |
2175 |
struct mnttab mnt; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2176 |
char *mntopt_on = NULL; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2177 |
char *mntopt_off = NULL; |
789 | 2178 |
|
2179 |
*source = NULL; |
|
2180 |
||
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2181 |
switch (prop) { |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2182 |
case ZFS_PROP_ATIME: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2183 |
mntopt_on = MNTOPT_ATIME; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2184 |
mntopt_off = MNTOPT_NOATIME; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2185 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2186 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2187 |
case ZFS_PROP_DEVICES: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2188 |
mntopt_on = MNTOPT_DEVICES; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2189 |
mntopt_off = MNTOPT_NODEVICES; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2190 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2191 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2192 |
case ZFS_PROP_EXEC: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2193 |
mntopt_on = MNTOPT_EXEC; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2194 |
mntopt_off = MNTOPT_NOEXEC; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2195 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2196 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2197 |
case ZFS_PROP_READONLY: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2198 |
mntopt_on = MNTOPT_RO; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2199 |
mntopt_off = MNTOPT_RW; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2200 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2201 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2202 |
case ZFS_PROP_SETUID: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2203 |
mntopt_on = MNTOPT_SETUID; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2204 |
mntopt_off = MNTOPT_NOSETUID; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2205 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2206 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2207 |
case ZFS_PROP_XATTR: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2208 |
mntopt_on = MNTOPT_XATTR; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2209 |
mntopt_off = MNTOPT_NOXATTR; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2210 |
break; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2211 |
} |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2212 |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2213 |
/* |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2214 |
* Because looking up the mount options is potentially expensive |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2215 |
* (iterating over all of /etc/mnttab), we defer its calculation until |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2216 |
* we're looking up a property which requires its presence. |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2217 |
*/ |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2218 |
if (!zhp->zfs_mntcheck && |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2219 |
(mntopt_on != NULL || prop == ZFS_PROP_MOUNTED)) { |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2220 |
struct mnttab entry, search = { 0 }; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2221 |
FILE *mnttab = zhp->zfs_hdl->libzfs_mnttab; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2222 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2223 |
search.mnt_special = (char *)zhp->zfs_name; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2224 |
search.mnt_fstype = MNTTYPE_ZFS; |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2225 |
rewind(mnttab); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2226 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2227 |
if (getmntany(mnttab, &entry, &search) == 0) { |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2228 |
zhp->zfs_mntopts = zfs_strdup(zhp->zfs_hdl, |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2229 |
entry.mnt_mntopts); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2230 |
if (zhp->zfs_mntopts == NULL) |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2231 |
return (-1); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2232 |
} |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2233 |
|
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2234 |
zhp->zfs_mntcheck = B_TRUE; |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2235 |
} |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
2236 |
|
789 | 2237 |
if (zhp->zfs_mntopts == NULL) |
2238 |
mnt.mnt_mntopts = ""; |
|
2239 |
else |
|
2240 |
mnt.mnt_mntopts = zhp->zfs_mntopts; |
|
2241 |
||
2242 |
switch (prop) { |
|
2243 |
case ZFS_PROP_ATIME: |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2244 |
case ZFS_PROP_DEVICES: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2245 |
case ZFS_PROP_EXEC: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2246 |
case ZFS_PROP_READONLY: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2247 |
case ZFS_PROP_SETUID: |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2248 |
case ZFS_PROP_XATTR: |
2082 | 2249 |
*val = getprop_uint64(zhp, prop, source); |
2250 |
||
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2251 |
if (hasmntopt(&mnt, mntopt_on) && !*val) { |
2082 | 2252 |
*val = B_TRUE; |
789 | 2253 |
if (src) |
2254 |
*src = ZFS_SRC_TEMPORARY; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2255 |
} else if (hasmntopt(&mnt, mntopt_off) && *val) { |
2082 | 2256 |
*val = B_FALSE; |
789 | 2257 |
if (src) |
2258 |
*src = ZFS_SRC_TEMPORARY; |
|
2259 |
} |
|
2082 | 2260 |
break; |
789 | 2261 |
|
2262 |
case ZFS_PROP_RECORDSIZE: |
|
2263 |
case ZFS_PROP_COMPRESSION: |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2264 |
case ZFS_PROP_ZONED: |
2885 | 2265 |
case ZFS_PROP_CREATION: |
2266 |
case ZFS_PROP_COMPRESSRATIO: |
|
2267 |
case ZFS_PROP_REFERENCED: |
|
2268 |
case ZFS_PROP_USED: |
|
2269 |
case ZFS_PROP_CREATETXG: |
|
2270 |
case ZFS_PROP_AVAILABLE: |
|
2271 |
case ZFS_PROP_VOLSIZE: |
|
2272 |
case ZFS_PROP_VOLBLOCKSIZE: |
|
3417
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2273 |
*val = getprop_uint64(zhp, prop, source); |
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2274 |
break; |
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2275 |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
2276 |
case ZFS_PROP_CANMOUNT: |
2082 | 2277 |
*val = getprop_uint64(zhp, prop, source); |
3417
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2278 |
if (*val == 0) |
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2279 |
*source = zhp->zfs_name; |
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2280 |
else |
0630f537a7e5
6480849 source of canmount property needs improvement
rm160521
parents:
3413
diff
changeset
|
2281 |
*source = ""; /* default */ |
2082 | 2282 |
break; |
789 | 2283 |
|
2284 |
case ZFS_PROP_QUOTA: |
|
2285 |
case ZFS_PROP_RESERVATION: |
|
2885 | 2286 |
*val = getprop_uint64(zhp, prop, source); |
2287 |
if (*val == 0) |
|
789 | 2288 |
*source = ""; /* default */ |
2289 |
else |
|
2290 |
*source = zhp->zfs_name; |
|
2082 | 2291 |
break; |
789 | 2292 |
|
2293 |
case ZFS_PROP_MOUNTED: |
|
2082 | 2294 |
*val = (zhp->zfs_mntopts != NULL); |
2295 |
break; |
|
789 | 2296 |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2297 |
case ZFS_PROP_NUMCLONES: |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2298 |
*val = zhp->zfs_dmustats.dds_num_clones; |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2299 |
break; |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2300 |
|
789 | 2301 |
default: |
2082 | 2302 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
2303 |
"cannot get non-numeric property")); |
|
2304 |
return (zfs_error(zhp->zfs_hdl, EZFS_BADPROP, |
|
2305 |
dgettext(TEXT_DOMAIN, "internal error"))); |
|
789 | 2306 |
} |
2307 |
||
2308 |
return (0); |
|
2309 |
} |
|
2310 |
||
2311 |
/* |
|
2312 |
* Calculate the source type, given the raw source string. |
|
2313 |
*/ |
|
2314 |
static void |
|
2315 |
get_source(zfs_handle_t *zhp, zfs_source_t *srctype, char *source, |
|
2316 |
char *statbuf, size_t statlen) |
|
2317 |
{ |
|
2318 |
if (statbuf == NULL || *srctype == ZFS_SRC_TEMPORARY) |
|
2319 |
return; |
|
2320 |
||
2321 |
if (source == NULL) { |
|
2322 |
*srctype = ZFS_SRC_NONE; |
|
2323 |
} else if (source[0] == '\0') { |
|
2324 |
*srctype = ZFS_SRC_DEFAULT; |
|
2325 |
} else { |
|
2326 |
if (strcmp(source, zhp->zfs_name) == 0) { |
|
2327 |
*srctype = ZFS_SRC_LOCAL; |
|
2328 |
} else { |
|
2329 |
(void) strlcpy(statbuf, source, statlen); |
|
2330 |
*srctype = ZFS_SRC_INHERITED; |
|
2331 |
} |
|
2332 |
} |
|
2333 |
||
2334 |
} |
|
2335 |
||
2336 |
/* |
|
2337 |
* Retrieve a property from the given object. If 'literal' is specified, then |
|
2338 |
* numbers are left as exact values. Otherwise, numbers are converted to a |
|
2339 |
* human-readable form. |
|
2340 |
* |
|
2341 |
* Returns 0 on success, or -1 on error. |
|
2342 |
*/ |
|
2343 |
int |
|
2344 |
zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen, |
|
2082 | 2345 |
zfs_source_t *src, char *statbuf, size_t statlen, boolean_t literal) |
789 | 2346 |
{ |
2347 |
char *source = NULL; |
|
2348 |
uint64_t val; |
|
2349 |
char *str; |
|
2350 |
const char *root; |
|
2676 | 2351 |
const char *strval; |
789 | 2352 |
|
2353 |
/* |
|
2354 |
* Check to see if this property applies to our object |
|
2355 |
*/ |
|
2356 |
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) |
|
2357 |
return (-1); |
|
2358 |
||
2359 |
if (src) |
|
2360 |
*src = ZFS_SRC_NONE; |
|
2361 |
||
2362 |
switch (prop) { |
|
2363 |
case ZFS_PROP_ATIME: |
|
2364 |
case ZFS_PROP_READONLY: |
|
2365 |
case ZFS_PROP_SETUID: |
|
2366 |
case ZFS_PROP_ZONED: |
|
2367 |
case ZFS_PROP_DEVICES: |
|
2368 |
case ZFS_PROP_EXEC: |
|
2676 | 2369 |
case ZFS_PROP_CANMOUNT: |
3234 | 2370 |
case ZFS_PROP_XATTR: |
789 | 2371 |
/* |
2372 |
* Basic boolean values are built on top of |
|
2373 |
* get_numeric_property(). |
|
2374 |
*/ |
|
2082 | 2375 |
if (get_numeric_property(zhp, prop, src, &source, &val) != 0) |
2376 |
return (-1); |
|
2377 |
nicebool(val, propbuf, proplen); |
|
789 | 2378 |
|
2379 |
break; |
|
2380 |
||
2381 |
case ZFS_PROP_AVAILABLE: |
|
2382 |
case ZFS_PROP_RECORDSIZE: |
|
2383 |
case ZFS_PROP_CREATETXG: |
|
2384 |
case ZFS_PROP_REFERENCED: |
|
2385 |
case ZFS_PROP_USED: |
|
2386 |
case ZFS_PROP_VOLSIZE: |
|
2387 |
case ZFS_PROP_VOLBLOCKSIZE: |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3363
diff
changeset
|
2388 |
case ZFS_PROP_NUMCLONES: |
789 | 2389 |
/* |
2390 |
* Basic numeric values are built on top of |
|
2391 |
* get_numeric_property(). |
|
2392 |
*/ |
|
2082 | 2393 |
if (get_numeric_property(zhp, prop, src, &source, &val) != 0) |
2394 |
return (-1); |
|
789 | 2395 |
if (literal) |
2856 | 2396 |
(void) snprintf(propbuf, proplen, "%llu", |
3912 | 2397 |
(u_longlong_t)val); |
789 | 2398 |
else |
2399 |
zfs_nicenum(val, propbuf, proplen); |
|
2400 |
break; |
|
2401 |
||
2402 |
case ZFS_PROP_COMPRESSION: |
|
2403 |
case ZFS_PROP_CHECKSUM: |
|
2404 |
case ZFS_PROP_SNAPDIR: |
|
2405 |
case ZFS_PROP_ACLMODE: |
|
2406 |
case ZFS_PROP_ACLINHERIT: |
|
3835 | 2407 |
case ZFS_PROP_COPIES: |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2408 |
val = getprop_uint64(zhp, prop, &source); |
2676 | 2409 |
verify(zfs_prop_index_to_string(prop, val, &strval) == 0); |
2410 |
(void) strlcpy(propbuf, strval, proplen); |
|
789 | 2411 |
break; |
2412 |
||
2413 |
case ZFS_PROP_CREATION: |
|
2414 |
/* |
|
2415 |
* 'creation' is a time_t stored in the statistics. We convert |
|
2416 |
* this into a string unless 'literal' is specified. |
|
2417 |
*/ |
|
2418 |
{ |
|
2885 | 2419 |
val = getprop_uint64(zhp, prop, &source); |
2420 |
time_t time = (time_t)val; |
|
789 | 2421 |
struct tm t; |
2422 |
||
2423 |
if (literal || |
|
2424 |
localtime_r(&time, &t) == NULL || |
|
2425 |
strftime(propbuf, proplen, "%a %b %e %k:%M %Y", |
|
2426 |
&t) == 0) |
|
2885 | 2427 |
(void) snprintf(propbuf, proplen, "%llu", val); |
789 | 2428 |
} |
2429 |
break; |
|
2430 |
||
2431 |
case ZFS_PROP_MOUNTPOINT: |
|
2432 |
/* |
|
2433 |
* Getting the precise mountpoint can be tricky. |
|
2434 |
* |
|
2435 |
* - for 'none' or 'legacy', return those values. |
|
2436 |
* - for default mountpoints, construct it as /zfs/<dataset> |
|
2437 |
* - for inherited mountpoints, we want to take everything |
|
2438 |
* after our ancestor and append it to the inherited value. |
|
2439 |
* |
|
2440 |
* If the pool has an alternate root, we want to prepend that |
|
2441 |
* root to any values we return. |
|
2442 |
*/ |
|
1544 | 2443 |
root = zhp->zfs_root; |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2444 |
str = getprop_string(zhp, prop, &source); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2445 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2446 |
if (str[0] == '\0') { |
789 | 2447 |
(void) snprintf(propbuf, proplen, "%s/zfs/%s", |
2448 |
root, zhp->zfs_name); |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2449 |
} else if (str[0] == '/') { |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2450 |
const char *relpath = zhp->zfs_name + strlen(source); |
789 | 2451 |
|
2452 |
if (relpath[0] == '/') |
|
2453 |
relpath++; |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2454 |
if (str[1] == '\0') |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2455 |
str++; |
789 | 2456 |
|
2457 |
if (relpath[0] == '\0') |
|
2458 |
(void) snprintf(propbuf, proplen, "%s%s", |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2459 |
root, str); |
789 | 2460 |
else |
2461 |
(void) snprintf(propbuf, proplen, "%s%s%s%s", |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2462 |
root, str, relpath[0] == '@' ? "" : "/", |
789 | 2463 |
relpath); |
2464 |
} else { |
|
2465 |
/* 'legacy' or 'none' */ |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2466 |
(void) strlcpy(propbuf, str, proplen); |
789 | 2467 |
} |
2468 |
||
2469 |
break; |
|
2470 |
||
2471 |
case ZFS_PROP_SHARENFS: |
|
3126 | 2472 |
case ZFS_PROP_SHAREISCSI: |
2473 |
case ZFS_PROP_ISCSIOPTIONS: |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2474 |
(void) strlcpy(propbuf, getprop_string(zhp, prop, &source), |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2475 |
proplen); |
789 | 2476 |
break; |
2477 |
||
2478 |
case ZFS_PROP_ORIGIN: |
|
2885 | 2479 |
(void) strlcpy(propbuf, getprop_string(zhp, prop, &source), |
789 | 2480 |
proplen); |
2481 |
/* |
|
2482 |
* If there is no parent at all, return failure to indicate that |
|
2483 |
* it doesn't apply to this dataset. |
|
2484 |
*/ |
|
2485 |
if (propbuf[0] == '\0') |
|
2486 |
return (-1); |
|
2487 |
break; |
|
2488 |
||
2489 |
case ZFS_PROP_QUOTA: |
|
2490 |
case ZFS_PROP_RESERVATION: |
|
2082 | 2491 |
if (get_numeric_property(zhp, prop, src, &source, &val) != 0) |
2492 |
return (-1); |
|
789 | 2493 |
|
2494 |
/* |
|
2495 |
* If quota or reservation is 0, we translate this into 'none' |
|
2496 |
* (unless literal is set), and indicate that it's the default |
|
2497 |
* value. Otherwise, we print the number nicely and indicate |
|
2498 |
* that its set locally. |
|
2499 |
*/ |
|
2500 |
if (val == 0) { |
|
2501 |
if (literal) |
|
2502 |
(void) strlcpy(propbuf, "0", proplen); |
|
2503 |
else |
|
2504 |
(void) strlcpy(propbuf, "none", proplen); |
|
2505 |
} else { |
|
2506 |
if (literal) |
|
2856 | 2507 |
(void) snprintf(propbuf, proplen, "%llu", |
3912 | 2508 |
(u_longlong_t)val); |
789 | 2509 |
else |
2510 |
zfs_nicenum(val, propbuf, proplen); |
|
2511 |
} |
|
2512 |
break; |
|
2513 |
||
2514 |
case ZFS_PROP_COMPRESSRATIO: |
|
2082 | 2515 |
if (get_numeric_property(zhp, prop, src, &source, &val) != 0) |
2516 |
return (-1); |
|
2856 | 2517 |
(void) snprintf(propbuf, proplen, "%lld.%02lldx", (longlong_t) |
2518 |
val / 100, (longlong_t)val % 100); |
|
789 | 2519 |
break; |
2520 |
||
2521 |
case ZFS_PROP_TYPE: |
|
2522 |
switch (zhp->zfs_type) { |
|
2523 |
case ZFS_TYPE_FILESYSTEM: |
|
2524 |
str = "filesystem"; |
|
2525 |
break; |
|
2526 |
case ZFS_TYPE_VOLUME: |
|
2527 |
str = "volume"; |
|
2528 |
break; |
|
2529 |
case ZFS_TYPE_SNAPSHOT: |
|
2530 |
str = "snapshot"; |
|
2531 |
break; |
|
2532 |
default: |
|
2082 | 2533 |
abort(); |
789 | 2534 |
} |
2535 |
(void) snprintf(propbuf, proplen, "%s", str); |
|
2536 |
break; |
|
2537 |
||
2538 |
case ZFS_PROP_MOUNTED: |
|
2539 |
/* |
|
2540 |
* The 'mounted' property is a pseudo-property that described |
|
2541 |
* whether the filesystem is currently mounted. Even though |
|
2542 |
* it's a boolean value, the typical values of "on" and "off" |
|
2543 |
* don't make sense, so we translate to "yes" and "no". |
|
2544 |
*/ |
|
2082 | 2545 |
if (get_numeric_property(zhp, ZFS_PROP_MOUNTED, |
2546 |
src, &source, &val) != 0) |
|
2547 |
return (-1); |
|
2548 |
if (val) |
|
789 | 2549 |
(void) strlcpy(propbuf, "yes", proplen); |
2550 |
else |
|
2551 |
(void) strlcpy(propbuf, "no", proplen); |
|
2552 |
break; |
|
2553 |
||
2554 |
case ZFS_PROP_NAME: |
|
2555 |
/* |
|
2556 |
* The 'name' property is a pseudo-property derived from the |
|
2557 |
* dataset name. It is presented as a real property to simplify |
|
2558 |
* consumers. |
|
2559 |
*/ |
|
2560 |
(void) strlcpy(propbuf, zhp->zfs_name, proplen); |
|
2561 |
break; |
|
2562 |
||
2563 |
default: |
|
2082 | 2564 |
abort(); |
789 | 2565 |
} |
2566 |
||
2567 |
get_source(zhp, src, source, statbuf, statlen); |
|
2568 |
||
2569 |
return (0); |
|
2570 |
} |
|
2571 |
||
2572 |
/* |
|
2573 |
* Utility function to get the given numeric property. Does no validation that |
|
2574 |
* the given property is the appropriate type; should only be used with |
|
2575 |
* hard-coded property types. |
|
2576 |
*/ |
|
2577 |
uint64_t |
|
2578 |
zfs_prop_get_int(zfs_handle_t *zhp, zfs_prop_t prop) |
|
2579 |
{ |
|
2580 |
char *source; |
|
2581 |
zfs_source_t sourcetype = ZFS_SRC_NONE; |
|
2082 | 2582 |
uint64_t val; |
2583 |
||
2584 |
(void) get_numeric_property(zhp, prop, &sourcetype, &source, &val); |
|
2585 |
||
2586 |
return (val); |
|
789 | 2587 |
} |
2588 |
||
2589 |
/* |
|
2590 |
* Similar to zfs_prop_get(), but returns the value as an integer. |
|
2591 |
*/ |
|
2592 |
int |
|
2593 |
zfs_prop_get_numeric(zfs_handle_t *zhp, zfs_prop_t prop, uint64_t *value, |
|
2594 |
zfs_source_t *src, char *statbuf, size_t statlen) |
|
2595 |
{ |
|
2596 |
char *source; |
|
2597 |
||
2598 |
/* |
|
2599 |
* Check to see if this property applies to our object |
|
2600 |
*/ |
|
2601 |
if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
2602 |
return (zfs_error_fmt(zhp->zfs_hdl, EZFS_PROPTYPE, |
2082 | 2603 |
dgettext(TEXT_DOMAIN, "cannot get property '%s'"), |
2604 |
zfs_prop_to_name(prop))); |
|
789 | 2605 |
|
2606 |
if (src) |
|
2607 |
*src = ZFS_SRC_NONE; |
|
2608 |
||
2082 | 2609 |
if (get_numeric_property(zhp, prop, src, &source, value) != 0) |
2610 |
return (-1); |
|
789 | 2611 |
|
2612 |
get_source(zhp, src, source, statbuf, statlen); |
|
2613 |
||
2614 |
return (0); |
|
2615 |
} |
|
2616 |
||
2617 |
/* |
|
2618 |
* Returns the name of the given zfs handle. |
|
2619 |
*/ |
|
2620 |
const char * |
|
2621 |
zfs_get_name(const zfs_handle_t *zhp) |
|
2622 |
{ |
|
2623 |
return (zhp->zfs_name); |
|
2624 |
} |
|
2625 |
||
2626 |
/* |
|
2627 |
* Returns the type of the given zfs handle. |
|
2628 |
*/ |
|
2629 |
zfs_type_t |
|
2630 |
zfs_get_type(const zfs_handle_t *zhp) |
|
2631 |
{ |
|
2632 |
return (zhp->zfs_type); |
|
2633 |
} |
|
2634 |
||
2635 |
/* |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2636 |
* Iterate over all child filesystems |
789 | 2637 |
*/ |
2638 |
int |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2639 |
zfs_iter_filesystems(zfs_handle_t *zhp, zfs_iter_f func, void *data) |
789 | 2640 |
{ |
2641 |
zfs_cmd_t zc = { 0 }; |
|
2642 |
zfs_handle_t *nzhp; |
|
2643 |
int ret; |
|
2644 |
||
2645 |
for ((void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
2082 | 2646 |
ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_DATASET_LIST_NEXT, &zc) == 0; |
789 | 2647 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name))) { |
2648 |
/* |
|
2649 |
* Ignore private dataset names. |
|
2650 |
*/ |
|
2651 |
if (dataset_name_hidden(zc.zc_name)) |
|
2652 |
continue; |
|
2653 |
||
2654 |
/* |
|
2655 |
* Silently ignore errors, as the only plausible explanation is |
|
2656 |
* that the pool has since been removed. |
|
2657 |
*/ |
|
2082 | 2658 |
if ((nzhp = make_dataset_handle(zhp->zfs_hdl, |
2659 |
zc.zc_name)) == NULL) |
|
789 | 2660 |
continue; |
2661 |
||
2662 |
if ((ret = func(nzhp, data)) != 0) |
|
2663 |
return (ret); |
|
2664 |
} |
|
2665 |
||
2666 |
/* |
|
2667 |
* An errno value of ESRCH indicates normal completion. If ENOENT is |
|
2668 |
* returned, then the underlying dataset has been removed since we |
|
2669 |
* obtained the handle. |
|
2670 |
*/ |
|
2671 |
if (errno != ESRCH && errno != ENOENT) |
|
2082 | 2672 |
return (zfs_standard_error(zhp->zfs_hdl, errno, |
2673 |
dgettext(TEXT_DOMAIN, "cannot iterate filesystems"))); |
|
789 | 2674 |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2675 |
return (0); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2676 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2677 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2678 |
/* |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2679 |
* Iterate over all snapshots |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2680 |
*/ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2681 |
int |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2682 |
zfs_iter_snapshots(zfs_handle_t *zhp, zfs_iter_f func, void *data) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2683 |
{ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2684 |
zfs_cmd_t zc = { 0 }; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2685 |
zfs_handle_t *nzhp; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2686 |
int ret; |
789 | 2687 |
|
2688 |
for ((void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
2082 | 2689 |
ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_SNAPSHOT_LIST_NEXT, |
2690 |
&zc) == 0; |
|
789 | 2691 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name))) { |
2692 |
||
2082 | 2693 |
if ((nzhp = make_dataset_handle(zhp->zfs_hdl, |
2694 |
zc.zc_name)) == NULL) |
|
789 | 2695 |
continue; |
2696 |
||
2697 |
if ((ret = func(nzhp, data)) != 0) |
|
2698 |
return (ret); |
|
2699 |
} |
|
2700 |
||
2701 |
/* |
|
2702 |
* An errno value of ESRCH indicates normal completion. If ENOENT is |
|
2703 |
* returned, then the underlying dataset has been removed since we |
|
2704 |
* obtained the handle. Silently ignore this case, and return success. |
|
2705 |
*/ |
|
2706 |
if (errno != ESRCH && errno != ENOENT) |
|
2082 | 2707 |
return (zfs_standard_error(zhp->zfs_hdl, errno, |
2708 |
dgettext(TEXT_DOMAIN, "cannot iterate filesystems"))); |
|
789 | 2709 |
|
2710 |
return (0); |
|
2711 |
} |
|
2712 |
||
2713 |
/* |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2714 |
* Iterate over all children, snapshots and filesystems |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2715 |
*/ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2716 |
int |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2717 |
zfs_iter_children(zfs_handle_t *zhp, zfs_iter_f func, void *data) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2718 |
{ |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2719 |
int ret; |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2720 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2721 |
if ((ret = zfs_iter_filesystems(zhp, func, data)) != 0) |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2722 |
return (ret); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2723 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2724 |
return (zfs_iter_snapshots(zhp, func, data)); |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2725 |
} |
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2726 |
|
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2727 |
/* |
789 | 2728 |
* Given a complete name, return just the portion that refers to the parent. |
2729 |
* Can return NULL if this is a pool. |
|
2730 |
*/ |
|
2731 |
static int |
|
2732 |
parent_name(const char *path, char *buf, size_t buflen) |
|
2733 |
{ |
|
2734 |
char *loc; |
|
2735 |
||
2736 |
if ((loc = strrchr(path, '/')) == NULL) |
|
2737 |
return (-1); |
|
2738 |
||
2739 |
(void) strncpy(buf, path, MIN(buflen, loc - path)); |
|
2740 |
buf[loc - path] = '\0'; |
|
2741 |
||
2742 |
return (0); |
|
2743 |
} |
|
2744 |
||
2745 |
/* |
|
4490 | 2746 |
* If accept_ancestor is false, then check to make sure that the given path has |
2747 |
* a parent, and that it exists. If accept_ancestor is true, then find the |
|
2748 |
* closest existing ancestor for the given path. In prefixlen return the |
|
2749 |
* length of already existing prefix of the given path. We also fetch the |
|
2750 |
* 'zoned' property, which is used to validate property settings when creating |
|
2751 |
* new datasets. |
|
789 | 2752 |
*/ |
2753 |
static int |
|
4490 | 2754 |
check_parents(libzfs_handle_t *hdl, const char *path, uint64_t *zoned, |
2755 |
boolean_t accept_ancestor, int *prefixlen) |
|
789 | 2756 |
{ |
2757 |
zfs_cmd_t zc = { 0 }; |
|
2758 |
char parent[ZFS_MAXNAMELEN]; |
|
2759 |
char *slash; |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2760 |
zfs_handle_t *zhp; |
2082 | 2761 |
char errbuf[1024]; |
2762 |
||
2763 |
(void) snprintf(errbuf, sizeof (errbuf), "cannot create '%s'", |
|
2764 |
path); |
|
789 | 2765 |
|
2766 |
/* get parent, and check to see if this is just a pool */ |
|
2767 |
if (parent_name(path, parent, sizeof (parent)) != 0) { |
|
2082 | 2768 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2769 |
"missing dataset name")); |
|
2770 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
|
789 | 2771 |
} |
2772 |
||
2773 |
/* check to see if the pool exists */ |
|
2774 |
if ((slash = strchr(parent, '/')) == NULL) |
|
2775 |
slash = parent + strlen(parent); |
|
2776 |
(void) strncpy(zc.zc_name, parent, slash - parent); |
|
2777 |
zc.zc_name[slash - parent] = '\0'; |
|
2082 | 2778 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_OBJSET_STATS, &zc) != 0 && |
789 | 2779 |
errno == ENOENT) { |
2082 | 2780 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2781 |
"no such pool '%s'"), zc.zc_name); |
|
2782 |
return (zfs_error(hdl, EZFS_NOENT, errbuf)); |
|
789 | 2783 |
} |
2784 |
||
2785 |
/* check to see if the parent dataset exists */ |
|
4490 | 2786 |
while ((zhp = make_dataset_handle(hdl, parent)) == NULL) { |
2787 |
if (errno == ENOENT && accept_ancestor) { |
|
2788 |
/* |
|
2789 |
* Go deeper to find an ancestor, give up on top level. |
|
2790 |
*/ |
|
2791 |
if (parent_name(parent, parent, sizeof (parent)) != 0) { |
|
2792 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
2793 |
"no such pool '%s'"), zc.zc_name); |
|
2794 |
return (zfs_error(hdl, EZFS_NOENT, errbuf)); |
|
2795 |
} |
|
2796 |
} else if (errno == ENOENT) { |
|
2082 | 2797 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2798 |
"parent does not exist")); |
|
2799 |
return (zfs_error(hdl, EZFS_NOENT, errbuf)); |
|
4490 | 2800 |
} else |
2082 | 2801 |
return (zfs_standard_error(hdl, errno, errbuf)); |
789 | 2802 |
} |
2803 |
||
2676 | 2804 |
*zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); |
789 | 2805 |
/* we are in a non-global zone, but parent is in the global zone */ |
2676 | 2806 |
if (getzoneid() != GLOBAL_ZONEID && !(*zoned)) { |
2082 | 2807 |
(void) zfs_standard_error(hdl, EPERM, errbuf); |
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2808 |
zfs_close(zhp); |
789 | 2809 |
return (-1); |
2810 |
} |
|
2811 |
||
2812 |
/* make sure parent is a filesystem */ |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2813 |
if (zfs_get_type(zhp) != ZFS_TYPE_FILESYSTEM) { |
2082 | 2814 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2815 |
"parent is not a filesystem")); |
|
2816 |
(void) zfs_error(hdl, EZFS_BADTYPE, errbuf); |
|
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2817 |
zfs_close(zhp); |
789 | 2818 |
return (-1); |
2819 |
} |
|
2820 |
||
1356
e021b5e4aa0e
6377671 zfs mount -a shouldn't bother checking snapshots
eschrock
parents:
1294
diff
changeset
|
2821 |
zfs_close(zhp); |
4490 | 2822 |
if (prefixlen != NULL) |
2823 |
*prefixlen = strlen(parent); |
|
2824 |
return (0); |
|
2825 |
} |
|
2826 |
||
2827 |
/* |
|
2828 |
* Finds whether the dataset of the given type(s) exists. |
|
2829 |
*/ |
|
2830 |
boolean_t |
|
2831 |
zfs_dataset_exists(libzfs_handle_t *hdl, const char *path, zfs_type_t types) |
|
2832 |
{ |
|
2833 |
zfs_handle_t *zhp; |
|
2834 |
||
2835 |
if (!zfs_validate_name(hdl, path, types)) |
|
2836 |
return (B_FALSE); |
|
2837 |
||
2838 |
/* |
|
2839 |
* Try to get stats for the dataset, which will tell us if it exists. |
|
2840 |
*/ |
|
2841 |
if ((zhp = make_dataset_handle(hdl, path)) != NULL) { |
|
2842 |
int ds_type = zhp->zfs_type; |
|
2843 |
||
2844 |
zfs_close(zhp); |
|
2845 |
if (types & ds_type) |
|
2846 |
return (B_TRUE); |
|
2847 |
} |
|
2848 |
return (B_FALSE); |
|
2849 |
} |
|
2850 |
||
2851 |
/* |
|
2852 |
* Creates non-existing ancestors of the given path. |
|
2853 |
*/ |
|
2854 |
int |
|
2855 |
zfs_create_ancestors(libzfs_handle_t *hdl, const char *path) |
|
2856 |
{ |
|
2857 |
int prefix; |
|
2858 |
uint64_t zoned; |
|
2859 |
char *path_copy; |
|
2860 |
int rc; |
|
2861 |
||
2862 |
if (check_parents(hdl, path, &zoned, B_TRUE, &prefix) != 0) |
|
2863 |
return (-1); |
|
2864 |
||
2865 |
if ((path_copy = strdup(path)) != NULL) { |
|
2866 |
rc = create_parents(hdl, path_copy, prefix); |
|
2867 |
free(path_copy); |
|
2868 |
} |
|
2869 |
if (path_copy == NULL || rc != 0) |
|
2870 |
return (-1); |
|
2871 |
||
789 | 2872 |
return (0); |
2873 |
} |
|
2874 |
||
2875 |
/* |
|
2676 | 2876 |
* Create a new filesystem or volume. |
789 | 2877 |
*/ |
2878 |
int |
|
2082 | 2879 |
zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type, |
2676 | 2880 |
nvlist_t *props) |
789 | 2881 |
{ |
2882 |
zfs_cmd_t zc = { 0 }; |
|
2883 |
int ret; |
|
2884 |
uint64_t size = 0; |
|
2885 |
uint64_t blocksize = zfs_prop_default_numeric(ZFS_PROP_VOLBLOCKSIZE); |
|
2082 | 2886 |
char errbuf[1024]; |
2676 | 2887 |
uint64_t zoned; |
2082 | 2888 |
|
2889 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
2890 |
"cannot create '%s'"), path); |
|
789 | 2891 |
|
2892 |
/* validate the path, taking care to note the extended error message */ |
|
2082 | 2893 |
if (!zfs_validate_name(hdl, path, type)) |
2894 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
|
789 | 2895 |
|
2896 |
/* validate parents exist */ |
|
4490 | 2897 |
if (check_parents(hdl, path, &zoned, B_FALSE, NULL) != 0) |
789 | 2898 |
return (-1); |
2899 |
||
2900 |
/* |
|
2901 |
* The failure modes when creating a dataset of a different type over |
|
2902 |
* one that already exists is a little strange. In particular, if you |
|
2903 |
* try to create a dataset on top of an existing dataset, the ioctl() |
|
2904 |
* will return ENOENT, not EEXIST. To prevent this from happening, we |
|
2905 |
* first try to see if the dataset exists. |
|
2906 |
*/ |
|
2907 |
(void) strlcpy(zc.zc_name, path, sizeof (zc.zc_name)); |
|
4490 | 2908 |
if (zfs_dataset_exists(hdl, zc.zc_name, ZFS_TYPE_ANY)) { |
2082 | 2909 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2910 |
"dataset already exists")); |
|
2911 |
return (zfs_error(hdl, EZFS_EXISTS, errbuf)); |
|
789 | 2912 |
} |
2913 |
||
2914 |
if (type == ZFS_TYPE_VOLUME) |
|
2915 |
zc.zc_objset_type = DMU_OST_ZVOL; |
|
2916 |
else |
|
2917 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
2918 |
||
3912 | 2919 |
if (props && (props = zfs_validate_properties(hdl, type, NULL, props, |
2920 |
zoned, NULL, errbuf)) == 0) |
|
2676 | 2921 |
return (-1); |
2922 |
||
789 | 2923 |
if (type == ZFS_TYPE_VOLUME) { |
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2924 |
/* |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2925 |
* If we are creating a volume, the size and block size must |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2926 |
* satisfy a few restraints. First, the blocksize must be a |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2927 |
* valid block size between SPA_{MIN,MAX}BLOCKSIZE. Second, the |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2928 |
* volsize must be a multiple of the block size, and cannot be |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2929 |
* zero. |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2930 |
*/ |
2676 | 2931 |
if (props == NULL || nvlist_lookup_uint64(props, |
2932 |
zfs_prop_to_name(ZFS_PROP_VOLSIZE), &size) != 0) { |
|
2933 |
nvlist_free(props); |
|
2082 | 2934 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 2935 |
"missing volume size")); |
2936 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
789 | 2937 |
} |
2938 |
||
2676 | 2939 |
if ((ret = nvlist_lookup_uint64(props, |
2940 |
zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), |
|
2941 |
&blocksize)) != 0) { |
|
2942 |
if (ret == ENOENT) { |
|
2943 |
blocksize = zfs_prop_default_numeric( |
|
2944 |
ZFS_PROP_VOLBLOCKSIZE); |
|
2945 |
} else { |
|
2946 |
nvlist_free(props); |
|
2947 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
2948 |
"missing volume block size")); |
|
2949 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
2950 |
} |
|
2951 |
} |
|
2952 |
||
2953 |
if (size == 0) { |
|
2954 |
nvlist_free(props); |
|
2082 | 2955 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 2956 |
"volume size cannot be zero")); |
2957 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2958 |
} |
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2959 |
|
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2960 |
if (size % blocksize != 0) { |
2676 | 2961 |
nvlist_free(props); |
2082 | 2962 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 2963 |
"volume size must be a multiple of volume block " |
2964 |
"size")); |
|
2965 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2966 |
} |
789 | 2967 |
} |
2968 |
||
2676 | 2969 |
if (props && |
2970 |
zcmd_write_src_nvlist(hdl, &zc, props, NULL) != 0) |
|
2971 |
return (-1); |
|
2972 |
nvlist_free(props); |
|
2973 |
||
789 | 2974 |
/* create the dataset */ |
4543 | 2975 |
ret = zfs_ioctl(hdl, ZFS_IOC_CREATE, &zc); |
789 | 2976 |
|
3912 | 2977 |
if (ret == 0 && type == ZFS_TYPE_VOLUME) { |
2082 | 2978 |
ret = zvol_create_link(hdl, path); |
3912 | 2979 |
if (ret) { |
2980 |
(void) zfs_standard_error(hdl, errno, |
|
2981 |
dgettext(TEXT_DOMAIN, |
|
2982 |
"Volume successfully created, but device links " |
|
2983 |
"were not created")); |
|
2984 |
zcmd_free_nvlists(&zc); |
|
2985 |
return (-1); |
|
2986 |
} |
|
2987 |
} |
|
789 | 2988 |
|
2676 | 2989 |
zcmd_free_nvlists(&zc); |
2990 |
||
789 | 2991 |
/* check for failure */ |
2992 |
if (ret != 0) { |
|
2993 |
char parent[ZFS_MAXNAMELEN]; |
|
2994 |
(void) parent_name(path, parent, sizeof (parent)); |
|
2995 |
||
2996 |
switch (errno) { |
|
2997 |
case ENOENT: |
|
2082 | 2998 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2999 |
"no such parent '%s'"), parent); |
|
3000 |
return (zfs_error(hdl, EZFS_NOENT, errbuf)); |
|
789 | 3001 |
|
3002 |
case EINVAL: |
|
2082 | 3003 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3413
f4cbe0204ab7
6471255 Some ZFS error messages contain spelling errors
mmusante
parents:
3377
diff
changeset
|
3004 |
"parent '%s' is not a filesystem"), parent); |
2082 | 3005 |
return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); |
789 | 3006 |
|
3007 |
case EDOM: |
|
2082 | 3008 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2676 | 3009 |
"volume block size must be power of 2 from " |
3010 |
"%u to %uk"), |
|
789 | 3011 |
(uint_t)SPA_MINBLOCKSIZE, |
3012 |
(uint_t)SPA_MAXBLOCKSIZE >> 10); |
|
2082 | 3013 |
|
2676 | 3014 |
return (zfs_error(hdl, EZFS_BADPROP, errbuf)); |
2082 | 3015 |
|
789 | 3016 |
#ifdef _ILP32 |
3017 |
case EOVERFLOW: |
|
3018 |
/* |
|
3019 |
* This platform can't address a volume this big. |
|
3020 |
*/ |
|
2082 | 3021 |
if (type == ZFS_TYPE_VOLUME) |
3022 |
return (zfs_error(hdl, EZFS_VOLTOOBIG, |
|
3023 |
errbuf)); |
|
789 | 3024 |
#endif |
2082 | 3025 |
/* FALLTHROUGH */ |
789 | 3026 |
default: |
2082 | 3027 |
return (zfs_standard_error(hdl, errno, errbuf)); |
789 | 3028 |
} |
3029 |
} |
|
3030 |
||
3031 |
return (0); |
|
3032 |
} |
|
3033 |
||
3034 |
/* |
|
3035 |
* Destroys the given dataset. The caller must make sure that the filesystem |
|
3036 |
* isn't mounted, and that there are no active dependents. |
|
3037 |
*/ |
|
3038 |
int |
|
3039 |
zfs_destroy(zfs_handle_t *zhp) |
|
3040 |
{ |
|
3041 |
zfs_cmd_t zc = { 0 }; |
|
3042 |
||
3043 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
3044 |
||
2676 | 3045 |
if (ZFS_IS_VOLUME(zhp)) { |
3126 | 3046 |
/* |
4543 | 3047 |
* If user doesn't have permissions to unshare volume, then |
3048 |
* abort the request. This would only happen for a |
|
3049 |
* non-privileged user. |
|
3126 | 3050 |
*/ |
4543 | 3051 |
if (zfs_unshare_iscsi(zhp) != 0) { |
3052 |
return (-1); |
|
3053 |
} |
|
3126 | 3054 |
|
2082 | 3055 |
if (zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0) |
789 | 3056 |
return (-1); |
3057 |
||
3058 |
zc.zc_objset_type = DMU_OST_ZVOL; |
|
3059 |
} else { |
|
3060 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
3061 |
} |
|
3062 |
||
4543 | 3063 |
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY, &zc) != 0) { |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3064 |
return (zfs_standard_error_fmt(zhp->zfs_hdl, errno, |
2082 | 3065 |
dgettext(TEXT_DOMAIN, "cannot destroy '%s'"), |
3066 |
zhp->zfs_name)); |
|
2199 | 3067 |
} |
789 | 3068 |
|
3069 |
remove_mountpoint(zhp); |
|
3070 |
||
3071 |
return (0); |
|
3072 |
} |
|
3073 |
||
2199 | 3074 |
struct destroydata { |
3075 |
char *snapname; |
|
3076 |
boolean_t gotone; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3077 |
boolean_t closezhp; |
2199 | 3078 |
}; |
3079 |
||
3080 |
static int |
|
3081 |
zfs_remove_link_cb(zfs_handle_t *zhp, void *arg) |
|
3082 |
{ |
|
3083 |
struct destroydata *dd = arg; |
|
3084 |
zfs_handle_t *szhp; |
|
3085 |
char name[ZFS_MAXNAMELEN]; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3086 |
boolean_t closezhp = dd->closezhp; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3087 |
int rv; |
2199 | 3088 |
|
2676 | 3089 |
(void) strlcpy(name, zhp->zfs_name, sizeof (name)); |
3090 |
(void) strlcat(name, "@", sizeof (name)); |
|
3091 |
(void) strlcat(name, dd->snapname, sizeof (name)); |
|
2199 | 3092 |
|
3093 |
szhp = make_dataset_handle(zhp->zfs_hdl, name); |
|
3094 |
if (szhp) { |
|
3095 |
dd->gotone = B_TRUE; |
|
3096 |
zfs_close(szhp); |
|
3097 |
} |
|
3098 |
||
3099 |
if (zhp->zfs_type == ZFS_TYPE_VOLUME) { |
|
3100 |
(void) zvol_remove_link(zhp->zfs_hdl, name); |
|
3101 |
/* |
|
3102 |
* NB: this is simply a best-effort. We don't want to |
|
3103 |
* return an error, because then we wouldn't visit all |
|
3104 |
* the volumes. |
|
3105 |
*/ |
|
3106 |
} |
|
3107 |
||
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3108 |
dd->closezhp = B_TRUE; |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3109 |
rv = zfs_iter_filesystems(zhp, zfs_remove_link_cb, arg); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3110 |
if (closezhp) |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3111 |
zfs_close(zhp); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3112 |
return (rv); |
2199 | 3113 |
} |
3114 |
||
3115 |
/* |
|
3116 |
* Destroys all snapshots with the given name in zhp & descendants. |
|
3117 |
*/ |
|
3118 |
int |
|
3119 |
zfs_destroy_snaps(zfs_handle_t *zhp, char *snapname) |
|
3120 |
{ |
|
3121 |
zfs_cmd_t zc = { 0 }; |
|
3122 |
int ret; |
|
3123 |
struct destroydata dd = { 0 }; |
|
3124 |
||
3125 |
dd.snapname = snapname; |
|
3126 |
(void) zfs_remove_link_cb(zhp, &dd); |
|
3127 |
||
3128 |
if (!dd.gotone) { |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3129 |
return (zfs_standard_error_fmt(zhp->zfs_hdl, ENOENT, |
2199 | 3130 |
dgettext(TEXT_DOMAIN, "cannot destroy '%s@%s'"), |
3131 |
zhp->zfs_name, snapname)); |
|
3132 |
} |
|
3133 |
||
3134 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
2676 | 3135 |
(void) strlcpy(zc.zc_value, snapname, sizeof (zc.zc_value)); |
2199 | 3136 |
|
4543 | 3137 |
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_DESTROY_SNAPS, &zc); |
2199 | 3138 |
if (ret != 0) { |
3139 |
char errbuf[1024]; |
|
3140 |
||
3141 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3142 |
"cannot destroy '%s@%s'"), zc.zc_name, snapname); |
|
3143 |
||
3144 |
switch (errno) { |
|
3145 |
case EEXIST: |
|
3146 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
|
3147 |
"snapshot is cloned")); |
|
3148 |
return (zfs_error(zhp->zfs_hdl, EZFS_EXISTS, errbuf)); |
|
3149 |
||
3150 |
default: |
|
3151 |
return (zfs_standard_error(zhp->zfs_hdl, errno, |
|
3152 |
errbuf)); |
|
3153 |
} |
|
3154 |
} |
|
3155 |
||
3156 |
return (0); |
|
3157 |
} |
|
3158 |
||
789 | 3159 |
/* |
3160 |
* Clones the given dataset. The target must be of the same type as the source. |
|
3161 |
*/ |
|
3162 |
int |
|
2676 | 3163 |
zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props) |
789 | 3164 |
{ |
3165 |
zfs_cmd_t zc = { 0 }; |
|
3166 |
char parent[ZFS_MAXNAMELEN]; |
|
3167 |
int ret; |
|
2082 | 3168 |
char errbuf[1024]; |
3169 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
2676 | 3170 |
zfs_type_t type; |
3171 |
uint64_t zoned; |
|
789 | 3172 |
|
3173 |
assert(zhp->zfs_type == ZFS_TYPE_SNAPSHOT); |
|
3174 |
||
2082 | 3175 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
3176 |
"cannot create '%s'"), target); |
|
3177 |
||
789 | 3178 |
/* validate the target name */ |
2082 | 3179 |
if (!zfs_validate_name(hdl, target, ZFS_TYPE_FILESYSTEM)) |
3180 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
|
789 | 3181 |
|
3182 |
/* validate parents exist */ |
|
4490 | 3183 |
if (check_parents(hdl, target, &zoned, B_FALSE, NULL) != 0) |
789 | 3184 |
return (-1); |
3185 |
||
3186 |
(void) parent_name(target, parent, sizeof (parent)); |
|
3187 |
||
3188 |
/* do the clone */ |
|
2676 | 3189 |
if (ZFS_IS_VOLUME(zhp)) { |
789 | 3190 |
zc.zc_objset_type = DMU_OST_ZVOL; |
2744
0a6f00b6a209
6468554 zone install with a zfs zonepath could not create a dataset
nn35248
parents:
2676
diff
changeset
|
3191 |
type = ZFS_TYPE_VOLUME; |
2676 | 3192 |
} else { |
789 | 3193 |
zc.zc_objset_type = DMU_OST_ZFS; |
2744
0a6f00b6a209
6468554 zone install with a zfs zonepath could not create a dataset
nn35248
parents:
2676
diff
changeset
|
3194 |
type = ZFS_TYPE_FILESYSTEM; |
2676 | 3195 |
} |
3196 |
||
3197 |
if (props) { |
|
3912 | 3198 |
if ((props = zfs_validate_properties(hdl, type, NULL, props, |
3199 |
zoned, zhp, errbuf)) == NULL) |
|
2676 | 3200 |
return (-1); |
3201 |
||
3202 |
if (zcmd_write_src_nvlist(hdl, &zc, props, NULL) != 0) { |
|
3203 |
nvlist_free(props); |
|
3204 |
return (-1); |
|
3205 |
} |
|
3206 |
||
3207 |
nvlist_free(props); |
|
3208 |
} |
|
789 | 3209 |
|
3210 |
(void) strlcpy(zc.zc_name, target, sizeof (zc.zc_name)); |
|
2676 | 3211 |
(void) strlcpy(zc.zc_value, zhp->zfs_name, sizeof (zc.zc_value)); |
4543 | 3212 |
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_CREATE, &zc); |
789 | 3213 |
|
2676 | 3214 |
zcmd_free_nvlists(&zc); |
3215 |
||
789 | 3216 |
if (ret != 0) { |
3217 |
switch (errno) { |
|
3218 |
||
3219 |
case ENOENT: |
|
3220 |
/* |
|
3221 |
* The parent doesn't exist. We should have caught this |
|
3222 |
* above, but there may a race condition that has since |
|
3223 |
* destroyed the parent. |
|
3224 |
* |
|
3225 |
* At this point, we don't know whether it's the source |
|
3226 |
* that doesn't exist anymore, or whether the target |
|
3227 |
* dataset doesn't exist. |
|
3228 |
*/ |
|
2082 | 3229 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
3230 |
"no such parent '%s'"), parent); |
|
3231 |
return (zfs_error(zhp->zfs_hdl, EZFS_NOENT, errbuf)); |
|
3232 |
||
3233 |
case EXDEV: |
|
3234 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
|
3235 |
"source and target pools differ")); |
|
3236 |
return (zfs_error(zhp->zfs_hdl, EZFS_CROSSTARGET, |
|
3237 |
errbuf)); |
|
3238 |
||
3239 |
default: |
|
3240 |
return (zfs_standard_error(zhp->zfs_hdl, errno, |
|
3241 |
errbuf)); |
|
3242 |
} |
|
2676 | 3243 |
} else if (ZFS_IS_VOLUME(zhp)) { |
2082 | 3244 |
ret = zvol_create_link(zhp->zfs_hdl, target); |
3245 |
} |
|
3246 |
||
3247 |
return (ret); |
|
3248 |
} |
|
3249 |
||
3250 |
typedef struct promote_data { |
|
3251 |
char cb_mountpoint[MAXPATHLEN]; |
|
3252 |
const char *cb_target; |
|
3253 |
const char *cb_errbuf; |
|
3254 |
uint64_t cb_pivot_txg; |
|
3255 |
} promote_data_t; |
|
3256 |
||
3257 |
static int |
|
3258 |
promote_snap_cb(zfs_handle_t *zhp, void *data) |
|
3259 |
{ |
|
3260 |
promote_data_t *pd = data; |
|
3261 |
zfs_handle_t *szhp; |
|
3262 |
char snapname[MAXPATHLEN]; |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3263 |
int rv = 0; |
2082 | 3264 |
|
3265 |
/* We don't care about snapshots after the pivot point */ |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3266 |
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > pd->cb_pivot_txg) { |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3267 |
zfs_close(zhp); |
2082 | 3268 |
return (0); |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3269 |
} |
2082 | 3270 |
|
2417 | 3271 |
/* Remove the device link if it's a zvol. */ |
2676 | 3272 |
if (ZFS_IS_VOLUME(zhp)) |
2417 | 3273 |
(void) zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name); |
2082 | 3274 |
|
3275 |
/* Check for conflicting names */ |
|
2676 | 3276 |
(void) strlcpy(snapname, pd->cb_target, sizeof (snapname)); |
3277 |
(void) strlcat(snapname, strchr(zhp->zfs_name, '@'), sizeof (snapname)); |
|
2082 | 3278 |
szhp = make_dataset_handle(zhp->zfs_hdl, snapname); |
3279 |
if (szhp != NULL) { |
|
3280 |
zfs_close(szhp); |
|
3281 |
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN, |
|
3282 |
"snapshot name '%s' from origin \n" |
|
3283 |
"conflicts with '%s' from target"), |
|
3284 |
zhp->zfs_name, snapname); |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3285 |
rv = zfs_error(zhp->zfs_hdl, EZFS_EXISTS, pd->cb_errbuf); |
2082 | 3286 |
} |
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3287 |
zfs_close(zhp); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3288 |
return (rv); |
2082 | 3289 |
} |
3290 |
||
2417 | 3291 |
static int |
3292 |
promote_snap_done_cb(zfs_handle_t *zhp, void *data) |
|
3293 |
{ |
|
3294 |
promote_data_t *pd = data; |
|
3295 |
||
3296 |
/* We don't care about snapshots after the pivot point */ |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3297 |
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) <= pd->cb_pivot_txg) { |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3298 |
/* Create the device link if it's a zvol. */ |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3299 |
if (ZFS_IS_VOLUME(zhp)) |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3300 |
(void) zvol_create_link(zhp->zfs_hdl, zhp->zfs_name); |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3301 |
} |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3302 |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3303 |
zfs_close(zhp); |
2417 | 3304 |
return (0); |
3305 |
} |
|
3306 |
||
2082 | 3307 |
/* |
3308 |
* Promotes the given clone fs to be the clone parent. |
|
3309 |
*/ |
|
3310 |
int |
|
3311 |
zfs_promote(zfs_handle_t *zhp) |
|
3312 |
{ |
|
3313 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
3314 |
zfs_cmd_t zc = { 0 }; |
|
3315 |
char parent[MAXPATHLEN]; |
|
3316 |
char *cp; |
|
3317 |
int ret; |
|
3318 |
zfs_handle_t *pzhp; |
|
3319 |
promote_data_t pd; |
|
3320 |
char errbuf[1024]; |
|
3321 |
||
3322 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3323 |
"cannot promote '%s'"), zhp->zfs_name); |
|
3324 |
||
3325 |
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { |
|
3326 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3327 |
"snapshots can not be promoted")); |
|
3328 |
return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); |
|
3329 |
} |
|
3330 |
||
2676 | 3331 |
(void) strlcpy(parent, zhp->zfs_dmustats.dds_clone_of, sizeof (parent)); |
2082 | 3332 |
if (parent[0] == '\0') { |
3333 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3334 |
"not a cloned filesystem")); |
|
3335 |
return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); |
|
3336 |
} |
|
3337 |
cp = strchr(parent, '@'); |
|
3338 |
*cp = '\0'; |
|
3339 |
||
3340 |
/* Walk the snapshots we will be moving */ |
|
3341 |
pzhp = zfs_open(hdl, zhp->zfs_dmustats.dds_clone_of, ZFS_TYPE_SNAPSHOT); |
|
3342 |
if (pzhp == NULL) |
|
3343 |
return (-1); |
|
3344 |
pd.cb_pivot_txg = zfs_prop_get_int(pzhp, ZFS_PROP_CREATETXG); |
|
3345 |
zfs_close(pzhp); |
|
3346 |
pd.cb_target = zhp->zfs_name; |
|
3347 |
pd.cb_errbuf = errbuf; |
|
3348 |
pzhp = zfs_open(hdl, parent, ZFS_TYPE_ANY); |
|
3349 |
if (pzhp == NULL) |
|
3350 |
return (-1); |
|
3351 |
(void) zfs_prop_get(pzhp, ZFS_PROP_MOUNTPOINT, pd.cb_mountpoint, |
|
3352 |
sizeof (pd.cb_mountpoint), NULL, NULL, 0, FALSE); |
|
3353 |
ret = zfs_iter_snapshots(pzhp, promote_snap_cb, &pd); |
|
2417 | 3354 |
if (ret != 0) { |
3355 |
zfs_close(pzhp); |
|
2082 | 3356 |
return (-1); |
2417 | 3357 |
} |
2082 | 3358 |
|
3359 |
/* issue the ioctl */ |
|
2676 | 3360 |
(void) strlcpy(zc.zc_value, zhp->zfs_dmustats.dds_clone_of, |
3361 |
sizeof (zc.zc_value)); |
|
2082 | 3362 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
4543 | 3363 |
ret = zfs_ioctl(hdl, ZFS_IOC_PROMOTE, &zc); |
2082 | 3364 |
|
3365 |
if (ret != 0) { |
|
2417 | 3366 |
int save_errno = errno; |
3367 |
||
3368 |
(void) zfs_iter_snapshots(pzhp, promote_snap_done_cb, &pd); |
|
3369 |
zfs_close(pzhp); |
|
3370 |
||
3371 |
switch (save_errno) { |
|
789 | 3372 |
case EEXIST: |
3373 |
/* |
|
2082 | 3374 |
* There is a conflicting snapshot name. We |
3375 |
* should have caught this above, but they could |
|
3376 |
* have renamed something in the mean time. |
|
789 | 3377 |
*/ |
2082 | 3378 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3379 |
"conflicting snapshot name from parent '%s'"), |
|
3380 |
parent); |
|
3381 |
return (zfs_error(hdl, EZFS_EXISTS, errbuf)); |
|
789 | 3382 |
|
3383 |
default: |
|
2417 | 3384 |
return (zfs_standard_error(hdl, save_errno, errbuf)); |
789 | 3385 |
} |
2417 | 3386 |
} else { |
3387 |
(void) zfs_iter_snapshots(zhp, promote_snap_done_cb, &pd); |
|
789 | 3388 |
} |
3389 |
||
2417 | 3390 |
zfs_close(pzhp); |
789 | 3391 |
return (ret); |
3392 |
} |
|
3393 |
||
4007 | 3394 |
struct createdata { |
3395 |
const char *cd_snapname; |
|
3396 |
int cd_ifexists; |
|
3397 |
}; |
|
3398 |
||
2199 | 3399 |
static int |
3400 |
zfs_create_link_cb(zfs_handle_t *zhp, void *arg) |
|
3401 |
{ |
|
4007 | 3402 |
struct createdata *cd = arg; |
2676 | 3403 |
int ret; |
2199 | 3404 |
|
3405 |
if (zhp->zfs_type == ZFS_TYPE_VOLUME) { |
|
3406 |
char name[MAXPATHLEN]; |
|
3407 |
||
2676 | 3408 |
(void) strlcpy(name, zhp->zfs_name, sizeof (name)); |
3409 |
(void) strlcat(name, "@", sizeof (name)); |
|
4007 | 3410 |
(void) strlcat(name, cd->cd_snapname, sizeof (name)); |
3411 |
(void) zvol_create_link_common(zhp->zfs_hdl, name, |
|
3412 |
cd->cd_ifexists); |
|
2199 | 3413 |
/* |
3414 |
* NB: this is simply a best-effort. We don't want to |
|
3415 |
* return an error, because then we wouldn't visit all |
|
3416 |
* the volumes. |
|
3417 |
*/ |
|
3418 |
} |
|
2676 | 3419 |
|
4007 | 3420 |
ret = zfs_iter_filesystems(zhp, zfs_create_link_cb, cd); |
2676 | 3421 |
|
3422 |
zfs_close(zhp); |
|
3423 |
||
3424 |
return (ret); |
|
2199 | 3425 |
} |
3426 |
||
789 | 3427 |
/* |
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3428 |
* Takes a snapshot of the given dataset. |
789 | 3429 |
*/ |
3430 |
int |
|
2199 | 3431 |
zfs_snapshot(libzfs_handle_t *hdl, const char *path, boolean_t recursive) |
789 | 3432 |
{ |
3433 |
const char *delim; |
|
3434 |
char *parent; |
|
3435 |
zfs_handle_t *zhp; |
|
3436 |
zfs_cmd_t zc = { 0 }; |
|
3437 |
int ret; |
|
2082 | 3438 |
char errbuf[1024]; |
3439 |
||
3440 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3441 |
"cannot snapshot '%s'"), path); |
|
3442 |
||
3443 |
/* validate the target name */ |
|
3444 |
if (!zfs_validate_name(hdl, path, ZFS_TYPE_SNAPSHOT)) |
|
3445 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
|
789 | 3446 |
|
3447 |
/* make sure the parent exists and is of the appropriate type */ |
|
2199 | 3448 |
delim = strchr(path, '@'); |
2082 | 3449 |
if ((parent = zfs_alloc(hdl, delim - path + 1)) == NULL) |
3450 |
return (-1); |
|
789 | 3451 |
(void) strncpy(parent, path, delim - path); |
3452 |
parent[delim - path] = '\0'; |
|
3453 |
||
2082 | 3454 |
if ((zhp = zfs_open(hdl, parent, ZFS_TYPE_FILESYSTEM | |
789 | 3455 |
ZFS_TYPE_VOLUME)) == NULL) { |
3456 |
free(parent); |
|
3457 |
return (-1); |
|
3458 |
} |
|
3459 |
||
2199 | 3460 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
2676 | 3461 |
(void) strlcpy(zc.zc_value, delim+1, sizeof (zc.zc_value)); |
4543 | 3462 |
if (ZFS_IS_VOLUME(zhp)) |
3463 |
zc.zc_objset_type = DMU_OST_ZVOL; |
|
3464 |
else |
|
3465 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
2199 | 3466 |
zc.zc_cookie = recursive; |
4543 | 3467 |
ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SNAPSHOT, &zc); |
2199 | 3468 |
|
3469 |
/* |
|
3470 |
* if it was recursive, the one that actually failed will be in |
|
3471 |
* zc.zc_name. |
|
3472 |
*/ |
|
4543 | 3473 |
if (ret != 0) |
3474 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
3475 |
"cannot create snapshot '%s@%s'"), zc.zc_name, zc.zc_value); |
|
3476 |
||
2199 | 3477 |
if (ret == 0 && recursive) { |
4007 | 3478 |
struct createdata cd; |
3479 |
||
3480 |
cd.cd_snapname = delim + 1; |
|
3481 |
cd.cd_ifexists = B_FALSE; |
|
3482 |
(void) zfs_iter_filesystems(zhp, zfs_create_link_cb, &cd); |
|
2199 | 3483 |
} |
789 | 3484 |
if (ret == 0 && zhp->zfs_type == ZFS_TYPE_VOLUME) { |
2082 | 3485 |
ret = zvol_create_link(zhp->zfs_hdl, path); |
2199 | 3486 |
if (ret != 0) { |
4543 | 3487 |
(void) zfs_standard_error(hdl, errno, |
3488 |
dgettext(TEXT_DOMAIN, |
|
3489 |
"Volume successfully snapshotted, but device links " |
|
3490 |
"were not created")); |
|
3491 |
free(parent); |
|
3492 |
zfs_close(zhp); |
|
3493 |
return (-1); |
|
2199 | 3494 |
} |
789 | 3495 |
} |
3496 |
||
2082 | 3497 |
if (ret != 0) |
3498 |
(void) zfs_standard_error(hdl, errno, errbuf); |
|
789 | 3499 |
|
3500 |
free(parent); |
|
3501 |
zfs_close(zhp); |
|
3502 |
||
3503 |
return (ret); |
|
3504 |
} |
|
3505 |
||
3506 |
/* |
|
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3507 |
* Dumps a backup of the given snapshot (incremental from fromsnap if it's not |
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3508 |
* NULL) to the file descriptor specified by outfd. |
789 | 3509 |
*/ |
3510 |
int |
|
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3511 |
zfs_send(zfs_handle_t *zhp, const char *fromsnap, int outfd) |
789 | 3512 |
{ |
3513 |
zfs_cmd_t zc = { 0 }; |
|
2082 | 3514 |
char errbuf[1024]; |
2885 | 3515 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
2082 | 3516 |
|
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3517 |
assert(zhp->zfs_type == ZFS_TYPE_SNAPSHOT); |
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3518 |
|
2885 | 3519 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
3520 |
if (fromsnap) |
|
3521 |
(void) strlcpy(zc.zc_value, fromsnap, sizeof (zc.zc_name)); |
|
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3522 |
zc.zc_cookie = outfd; |
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3523 |
|
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3524 |
if (ioctl(zhp->zfs_hdl->libzfs_fd, ZFS_IOC_SENDBACKUP, &zc) != 0) { |
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3525 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3526 |
"cannot send '%s'"), zhp->zfs_name); |
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3527 |
|
789 | 3528 |
switch (errno) { |
3529 |
||
3530 |
case EXDEV: |
|
2082 | 3531 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3413
f4cbe0204ab7
6471255 Some ZFS error messages contain spelling errors
mmusante
parents:
3377
diff
changeset
|
3532 |
"not an earlier snapshot from the same fs")); |
2082 | 3533 |
return (zfs_error(hdl, EZFS_CROSSTARGET, errbuf)); |
789 | 3534 |
|
3535 |
case EDQUOT: |
|
3536 |
case EFBIG: |
|
3537 |
case EIO: |
|
3538 |
case ENOLINK: |
|
3539 |
case ENOSPC: |
|
3540 |
case ENOSTR: |
|
3541 |
case ENXIO: |
|
3542 |
case EPIPE: |
|
3543 |
case ERANGE: |
|
3544 |
case EFAULT: |
|
3545 |
case EROFS: |
|
2082 | 3546 |
zfs_error_aux(hdl, strerror(errno)); |
3547 |
return (zfs_error(hdl, EZFS_BADBACKUP, errbuf)); |
|
789 | 3548 |
|
3549 |
default: |
|
2082 | 3550 |
return (zfs_standard_error(hdl, errno, errbuf)); |
789 | 3551 |
} |
3552 |
} |
|
3553 |
||
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3554 |
return (0); |
789 | 3555 |
} |
3556 |
||
3557 |
/* |
|
2885 | 3558 |
* Create ancestors of 'target', but not target itself, and not |
3559 |
* ancestors whose names are shorter than prefixlen. Die if |
|
3560 |
* prefixlen-ancestor does not exist. |
|
3561 |
*/ |
|
3562 |
static int |
|
3563 |
create_parents(libzfs_handle_t *hdl, char *target, int prefixlen) |
|
3564 |
{ |
|
3565 |
zfs_handle_t *h; |
|
3566 |
char *cp; |
|
3567 |
||
3568 |
/* make sure prefix exists */ |
|
3569 |
cp = strchr(target + prefixlen, '/'); |
|
3570 |
*cp = '\0'; |
|
3571 |
h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); |
|
3572 |
*cp = '/'; |
|
3573 |
if (h == NULL) |
|
3574 |
return (-1); |
|
3575 |
zfs_close(h); |
|
3576 |
||
3577 |
/* |
|
3578 |
* Attempt to create, mount, and share any ancestor filesystems, |
|
3579 |
* up to the prefixlen-long one. |
|
3580 |
*/ |
|
3581 |
for (cp = target + prefixlen + 1; |
|
3582 |
cp = strchr(cp, '/'); *cp = '/', cp++) { |
|
3583 |
const char *opname; |
|
4543 | 3584 |
char *logstr; |
2885 | 3585 |
|
3586 |
*cp = '\0'; |
|
3587 |
||
3588 |
h = make_dataset_handle(hdl, target); |
|
3589 |
if (h) { |
|
3590 |
/* it already exists, nothing to do here */ |
|
3591 |
zfs_close(h); |
|
3592 |
continue; |
|
3593 |
} |
|
3594 |
||
3595 |
opname = dgettext(TEXT_DOMAIN, "create"); |
|
4543 | 3596 |
logstr = hdl->libzfs_log_str; |
3597 |
hdl->libzfs_log_str = NULL; |
|
2885 | 3598 |
if (zfs_create(hdl, target, ZFS_TYPE_FILESYSTEM, |
4543 | 3599 |
NULL) != 0) { |
3600 |
hdl->libzfs_log_str = logstr; |
|
2885 | 3601 |
goto ancestorerr; |
4543 | 3602 |
} |
3603 |
||
3604 |
hdl->libzfs_log_str = logstr; |
|
2885 | 3605 |
opname = dgettext(TEXT_DOMAIN, "open"); |
3606 |
h = zfs_open(hdl, target, ZFS_TYPE_FILESYSTEM); |
|
3607 |
if (h == NULL) |
|
3608 |
goto ancestorerr; |
|
3609 |
||
3610 |
opname = dgettext(TEXT_DOMAIN, "mount"); |
|
3611 |
if (zfs_mount(h, NULL, 0) != 0) |
|
3612 |
goto ancestorerr; |
|
3613 |
||
3614 |
opname = dgettext(TEXT_DOMAIN, "share"); |
|
3615 |
if (zfs_share(h) != 0) |
|
3616 |
goto ancestorerr; |
|
3617 |
||
3618 |
zfs_close(h); |
|
3619 |
||
3620 |
continue; |
|
3621 |
ancestorerr: |
|
3622 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3623 |
"failed to %s ancestor '%s'"), opname, target); |
|
3624 |
return (-1); |
|
3625 |
} |
|
3626 |
||
3627 |
return (0); |
|
3628 |
} |
|
3629 |
||
3630 |
/* |
|
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3631 |
* Restores a backup of tosnap from the file descriptor specified by infd. |
789 | 3632 |
*/ |
3633 |
int |
|
2082 | 3634 |
zfs_receive(libzfs_handle_t *hdl, const char *tosnap, int isprefix, |
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3635 |
int verbose, int dryrun, boolean_t force, int infd) |
789 | 3636 |
{ |
3637 |
zfs_cmd_t zc = { 0 }; |
|
3638 |
time_t begin_time; |
|
2885 | 3639 |
int ioctl_err, err, bytes, size, choplen; |
789 | 3640 |
char *cp; |
3641 |
dmu_replay_record_t drr; |
|
3642 |
struct drr_begin *drrb = &zc.zc_begin_record; |
|
2082 | 3643 |
char errbuf[1024]; |
2665 | 3644 |
prop_changelist_t *clp; |
2885 | 3645 |
char chopprefix[ZFS_MAXNAMELEN]; |
789 | 3646 |
|
3647 |
begin_time = time(NULL); |
|
3648 |
||
2082 | 3649 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
3650 |
"cannot receive")); |
|
3651 |
||
789 | 3652 |
/* read in the BEGIN record */ |
3653 |
cp = (char *)&drr; |
|
3654 |
bytes = 0; |
|
3655 |
do { |
|
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3656 |
size = read(infd, cp, sizeof (drr) - bytes); |
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3657 |
cp += size; |
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3658 |
bytes += size; |
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3659 |
} while (size > 0); |
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3660 |
|
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3661 |
if (size < 0 || bytes != sizeof (drr)) { |
2082 | 3662 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "invalid " |
3663 |
"stream (failed to read first record)")); |
|
3664 |
return (zfs_error(hdl, EZFS_BADSTREAM, errbuf)); |
|
789 | 3665 |
} |
3666 |
||
3667 |
zc.zc_begin_record = drr.drr_u.drr_begin; |
|
3668 |
||
3669 |
if (drrb->drr_magic != DMU_BACKUP_MAGIC && |
|
3670 |
drrb->drr_magic != BSWAP_64(DMU_BACKUP_MAGIC)) { |
|
2082 | 3671 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "invalid " |
3672 |
"stream (bad magic number)")); |
|
3673 |
return (zfs_error(hdl, EZFS_BADSTREAM, errbuf)); |
|
789 | 3674 |
} |
3675 |
||
3676 |
if (drrb->drr_version != DMU_BACKUP_VERSION && |
|
3677 |
drrb->drr_version != BSWAP_64(DMU_BACKUP_VERSION)) { |
|
2082 | 3678 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only version " |
3679 |
"0x%llx is supported (stream is version 0x%llx)"), |
|
789 | 3680 |
DMU_BACKUP_VERSION, drrb->drr_version); |
2082 | 3681 |
return (zfs_error(hdl, EZFS_BADSTREAM, errbuf)); |
789 | 3682 |
} |
3683 |
||
2885 | 3684 |
if (strchr(drr.drr_u.drr_begin.drr_toname, '@') == NULL) { |
3685 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "invalid " |
|
3912 | 3686 |
"stream (bad snapshot name)")); |
2885 | 3687 |
return (zfs_error(hdl, EZFS_BADSTREAM, errbuf)); |
3688 |
} |
|
789 | 3689 |
/* |
2885 | 3690 |
* Determine how much of the snapshot name stored in the stream |
3691 |
* we are going to tack on to the name they specified on the |
|
3692 |
* command line, and how much we are going to chop off. |
|
3693 |
* |
|
3694 |
* If they specified a snapshot, chop the entire name stored in |
|
3695 |
* the stream. |
|
789 | 3696 |
*/ |
2885 | 3697 |
(void) strcpy(chopprefix, drr.drr_u.drr_begin.drr_toname); |
789 | 3698 |
if (isprefix) { |
2885 | 3699 |
/* |
3700 |
* They specified a fs with -d, we want to tack on |
|
3701 |
* everything but the pool name stored in the stream |
|
3702 |
*/ |
|
3703 |
if (strchr(tosnap, '@')) { |
|
3704 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "invalid " |
|
3705 |
"argument - snapshot not allowed with -d")); |
|
3706 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
|
789 | 3707 |
} |
2885 | 3708 |
cp = strchr(chopprefix, '/'); |
789 | 3709 |
if (cp == NULL) |
2885 | 3710 |
cp = strchr(chopprefix, '@'); |
3711 |
*cp = '\0'; |
|
789 | 3712 |
} else if (strchr(tosnap, '@') == NULL) { |
3713 |
/* |
|
2885 | 3714 |
* If they specified a filesystem without -d, we want to |
3715 |
* tack on everything after the fs specified in the |
|
3716 |
* first name from the stream. |
|
789 | 3717 |
*/ |
2885 | 3718 |
cp = strchr(chopprefix, '@'); |
3719 |
*cp = '\0'; |
|
789 | 3720 |
} |
2885 | 3721 |
choplen = strlen(chopprefix); |
3722 |
||
3723 |
/* |
|
3724 |
* Determine name of destination snapshot, store in zc_value. |
|
3725 |
*/ |
|
3726 |
(void) strcpy(zc.zc_value, tosnap); |
|
3727 |
(void) strncat(zc.zc_value, drr.drr_u.drr_begin.drr_toname+choplen, |
|
3728 |
sizeof (zc.zc_value)); |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3729 |
if (!zfs_validate_name(hdl, zc.zc_value, ZFS_TYPE_SNAPSHOT)) |
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3237
diff
changeset
|
3730 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
2885 | 3731 |
|
3732 |
(void) strcpy(zc.zc_name, zc.zc_value); |
|
789 | 3733 |
if (drrb->drr_fromguid) { |
3734 |
/* incremental backup stream */ |
|
2885 | 3735 |
zfs_handle_t *h; |
3736 |
||
3737 |
/* do the recvbackup ioctl to the containing fs */ |
|
3738 |
*strchr(zc.zc_name, '@') = '\0'; |
|
789 | 3739 |
|
3740 |
/* make sure destination fs exists */ |
|
2082 | 3741 |
h = zfs_open(hdl, zc.zc_name, |
3742 |
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); |
|
3743 |
if (h == NULL) |
|
789 | 3744 |
return (-1); |
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3745 |
if (!dryrun) { |
2665 | 3746 |
/* |
3747 |
* We need to unmount all the dependents of the dataset |
|
3748 |
* and the dataset itself. If it's a volume |
|
3749 |
* then remove device link. |
|
3750 |
*/ |
|
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3751 |
if (h->zfs_type == ZFS_TYPE_FILESYSTEM) { |
2665 | 3752 |
clp = changelist_gather(h, ZFS_PROP_NAME, 0); |
3753 |
if (clp == NULL) |
|
3754 |
return (-1); |
|
3755 |
if (changelist_prefix(clp) != 0) { |
|
3756 |
changelist_free(clp); |
|
3757 |
return (-1); |
|
3758 |
} |
|
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3759 |
} else { |
4543 | 3760 |
if (zvol_remove_link(hdl, h->zfs_name) != 0) { |
3761 |
zfs_close(h); |
|
3762 |
return (-1); |
|
3763 |
} |
|
3764 |
||
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3765 |
} |
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3766 |
} |
789 | 3767 |
zfs_close(h); |
3768 |
} else { |
|
3769 |
/* full backup stream */ |
|
3770 |
||
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3771 |
/* Make sure destination fs does not exist */ |
2885 | 3772 |
*strchr(zc.zc_name, '@') = '\0'; |
4490 | 3773 |
if (zfs_dataset_exists(hdl, zc.zc_name, ZFS_TYPE_ANY)) { |
2082 | 3774 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3775 |
"destination '%s' exists"), zc.zc_name); |
|
3776 |
return (zfs_error(hdl, EZFS_EXISTS, errbuf)); |
|
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3777 |
} |
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3778 |
|
2885 | 3779 |
if (strchr(zc.zc_name, '/') == NULL) { |
3780 |
/* |
|
3781 |
* they're trying to do a recv into a |
|
3782 |
* nonexistant topmost filesystem. |
|
3783 |
*/ |
|
3784 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
3785 |
"destination does not exist"), zc.zc_name); |
|
3786 |
return (zfs_error(hdl, EZFS_EXISTS, errbuf)); |
|
3787 |
} |
|
3788 |
||
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3789 |
/* Do the recvbackup ioctl to the fs's parent. */ |
2885 | 3790 |
*strrchr(zc.zc_name, '/') = '\0'; |
3791 |
||
3792 |
if (isprefix && (err = create_parents(hdl, |
|
3793 |
zc.zc_value, strlen(tosnap))) != 0) { |
|
3794 |
return (zfs_error(hdl, EZFS_BADRESTORE, errbuf)); |
|
3795 |
} |
|
3796 |
||
789 | 3797 |
} |
3798 |
||
3504
6eb2466ff1c9
6516175 zfs_send()/zfs_receive() should take file descriptor arguments
ahl
parents:
3443
diff
changeset
|
3799 |
zc.zc_cookie = infd; |
2676 | 3800 |
zc.zc_guid = force; |
789 | 3801 |
if (verbose) { |
1749 | 3802 |
(void) printf("%s %s stream of %s into %s\n", |
3803 |
dryrun ? "would receive" : "receiving", |
|
789 | 3804 |
drrb->drr_fromguid ? "incremental" : "full", |
3805 |
drr.drr_u.drr_begin.drr_toname, |
|
2676 | 3806 |
zc.zc_value); |
789 | 3807 |
(void) fflush(stdout); |
3808 |
} |
|
3809 |
if (dryrun) |
|
3810 |
return (0); |
|
4543 | 3811 |
err = ioctl_err = zfs_ioctl(hdl, ZFS_IOC_RECVBACKUP, &zc); |
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3812 |
if (ioctl_err != 0) { |
789 | 3813 |
switch (errno) { |
3814 |
case ENODEV: |
|
2082 | 3815 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3816 |
"most recent snapshot does not match incremental " |
|
3817 |
"source")); |
|
3818 |
(void) zfs_error(hdl, EZFS_BADRESTORE, errbuf); |
|
789 | 3819 |
break; |
3820 |
case ETXTBSY: |
|
2082 | 3821 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3822 |
"destination has been modified since most recent " |
|
3823 |
"snapshot")); |
|
3824 |
(void) zfs_error(hdl, EZFS_BADRESTORE, errbuf); |
|
789 | 3825 |
break; |
3826 |
case EEXIST: |
|
3827 |
if (drrb->drr_fromguid == 0) { |
|
3828 |
/* it's the containing fs that exists */ |
|
2676 | 3829 |
cp = strchr(zc.zc_value, '@'); |
789 | 3830 |
*cp = '\0'; |
3831 |
} |
|
2082 | 3832 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3833 |
"destination already exists")); |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3834 |
(void) zfs_error_fmt(hdl, EZFS_EXISTS, |
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3835 |
dgettext(TEXT_DOMAIN, "cannot restore to %s"), |
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3836 |
zc.zc_value); |
789 | 3837 |
break; |
3838 |
case EINVAL: |
|
2082 | 3839 |
(void) zfs_error(hdl, EZFS_BADSTREAM, errbuf); |
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3840 |
break; |
1544 | 3841 |
case ECKSUM: |
2082 | 3842 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
3843 |
"invalid stream (checksum mismatch)")); |
|
3844 |
(void) zfs_error(hdl, EZFS_BADSTREAM, errbuf); |
|
789 | 3845 |
break; |
3846 |
default: |
|
2082 | 3847 |
(void) zfs_standard_error(hdl, errno, errbuf); |
789 | 3848 |
} |
3849 |
} |
|
3850 |
||
3851 |
/* |
|
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3852 |
* Mount or recreate the /dev links for the target filesystem |
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3853 |
* (if created, or if we tore them down to do an incremental |
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3854 |
* restore), and the /dev links for the new snapshot (if |
2665 | 3855 |
* created). Also mount any children of the target filesystem |
3856 |
* if we did an incremental receive. |
|
789 | 3857 |
*/ |
2676 | 3858 |
cp = strchr(zc.zc_value, '@'); |
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3859 |
if (cp && (ioctl_err == 0 || drrb->drr_fromguid)) { |
789 | 3860 |
zfs_handle_t *h; |
3861 |
||
3862 |
*cp = '\0'; |
|
2676 | 3863 |
h = zfs_open(hdl, zc.zc_value, |
789 | 3864 |
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); |
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3865 |
*cp = '@'; |
789 | 3866 |
if (h) { |
2665 | 3867 |
if (h->zfs_type == ZFS_TYPE_VOLUME) { |
2082 | 3868 |
err = zvol_create_link(hdl, h->zfs_name); |
1544 | 3869 |
if (err == 0 && ioctl_err == 0) |
2082 | 3870 |
err = zvol_create_link(hdl, |
2676 | 3871 |
zc.zc_value); |
2665 | 3872 |
} else { |
3873 |
if (drrb->drr_fromguid) { |
|
3874 |
err = changelist_postfix(clp); |
|
3875 |
changelist_free(clp); |
|
3876 |
} else { |
|
3877 |
err = zfs_mount(h, NULL, 0); |
|
3878 |
} |
|
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3879 |
} |
2665 | 3880 |
zfs_close(h); |
789 | 3881 |
} |
3882 |
} |
|
3883 |
||
868
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3884 |
if (err || ioctl_err) |
09ef7c98db8f
6344651 LZ, 'zfs restore', internal error: unexpected error 1 ...
ahrens
parents:
849
diff
changeset
|
3885 |
return (-1); |
789 | 3886 |
|
3887 |
if (verbose) { |
|
3888 |
char buf1[64]; |
|
3889 |
char buf2[64]; |
|
3890 |
uint64_t bytes = zc.zc_cookie; |
|
3891 |
time_t delta = time(NULL) - begin_time; |
|
3892 |
if (delta == 0) |
|
3893 |
delta = 1; |
|
3894 |
zfs_nicenum(bytes, buf1, sizeof (buf1)); |
|
3895 |
zfs_nicenum(bytes/delta, buf2, sizeof (buf1)); |
|
3896 |
||
1749 | 3897 |
(void) printf("received %sb stream in %lu seconds (%sb/sec)\n", |
789 | 3898 |
buf1, delta, buf2); |
3899 |
} |
|
2665 | 3900 |
|
789 | 3901 |
return (0); |
3902 |
} |
|
3903 |
||
3904 |
/* |
|
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3905 |
* Destroy any more recent snapshots. We invoke this callback on any dependents |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3906 |
* of the snapshot first. If the 'cb_dependent' member is non-zero, then this |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3907 |
* is a dependent and we should just destroy it without checking the transaction |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3908 |
* group. |
789 | 3909 |
*/ |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3910 |
typedef struct rollback_data { |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3911 |
const char *cb_target; /* the snapshot */ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3912 |
uint64_t cb_create; /* creation time reference */ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3913 |
prop_changelist_t *cb_clp; /* changelist pointer */ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3914 |
int cb_error; |
2082 | 3915 |
boolean_t cb_dependent; |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3916 |
} rollback_data_t; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3917 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3918 |
static int |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3919 |
rollback_destroy(zfs_handle_t *zhp, void *data) |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3920 |
{ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3921 |
rollback_data_t *cbp = data; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3922 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3923 |
if (!cbp->cb_dependent) { |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3924 |
if (strcmp(zhp->zfs_name, cbp->cb_target) != 0 && |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3925 |
zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT && |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3926 |
zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3927 |
cbp->cb_create) { |
4543 | 3928 |
char *logstr; |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3929 |
|
2082 | 3930 |
cbp->cb_dependent = B_TRUE; |
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3931 |
if (zfs_iter_dependents(zhp, B_FALSE, rollback_destroy, |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3932 |
cbp) != 0) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
3933 |
cbp->cb_error = 1; |
2082 | 3934 |
cbp->cb_dependent = B_FALSE; |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3935 |
|
4543 | 3936 |
logstr = zhp->zfs_hdl->libzfs_log_str; |
3937 |
zhp->zfs_hdl->libzfs_log_str = NULL; |
|
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3938 |
if (zfs_destroy(zhp) != 0) |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3939 |
cbp->cb_error = 1; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3940 |
else |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3941 |
changelist_remove(zhp, cbp->cb_clp); |
4543 | 3942 |
zhp->zfs_hdl->libzfs_log_str = logstr; |
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3943 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3944 |
} else { |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3945 |
if (zfs_destroy(zhp) != 0) |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3946 |
cbp->cb_error = 1; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3947 |
else |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3948 |
changelist_remove(zhp, cbp->cb_clp); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3949 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3950 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3951 |
zfs_close(zhp); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3952 |
return (0); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3953 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3954 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3955 |
/* |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3956 |
* Rollback the dataset to its latest snapshot. |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3957 |
*/ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3958 |
static int |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3959 |
do_rollback(zfs_handle_t *zhp) |
789 | 3960 |
{ |
3961 |
int ret; |
|
3962 |
zfs_cmd_t zc = { 0 }; |
|
3963 |
||
3964 |
assert(zhp->zfs_type == ZFS_TYPE_FILESYSTEM || |
|
3965 |
zhp->zfs_type == ZFS_TYPE_VOLUME); |
|
3966 |
||
3967 |
if (zhp->zfs_type == ZFS_TYPE_VOLUME && |
|
2082 | 3968 |
zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0) |
789 | 3969 |
return (-1); |
3970 |
||
3971 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
|
3972 |
||
2676 | 3973 |
if (ZFS_IS_VOLUME(zhp)) |
789 | 3974 |
zc.zc_objset_type = DMU_OST_ZVOL; |
3975 |
else |
|
3976 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
3977 |
||
3978 |
/* |
|
3979 |
* We rely on the consumer to verify that there are no newer snapshots |
|
3980 |
* for the given dataset. Given these constraints, we can simply pass |
|
3981 |
* the name on to the ioctl() call. There is still an unlikely race |
|
3982 |
* condition where the user has taken a snapshot since we verified that |
|
3983 |
* this was the most recent. |
|
3984 |
*/ |
|
4543 | 3985 |
if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_ROLLBACK, &zc)) != 0) { |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
3986 |
(void) zfs_standard_error_fmt(zhp->zfs_hdl, errno, |
2082 | 3987 |
dgettext(TEXT_DOMAIN, "cannot rollback '%s'"), |
3988 |
zhp->zfs_name); |
|
789 | 3989 |
} else if (zhp->zfs_type == ZFS_TYPE_VOLUME) { |
2082 | 3990 |
ret = zvol_create_link(zhp->zfs_hdl, zhp->zfs_name); |
789 | 3991 |
} |
3992 |
||
3993 |
return (ret); |
|
3994 |
} |
|
3995 |
||
3996 |
/* |
|
1294
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3997 |
* Given a dataset, rollback to a specific snapshot, discarding any |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3998 |
* data changes since then and making it the active dataset. |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
3999 |
* |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4000 |
* Any snapshots more recent than the target are destroyed, along with |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4001 |
* their dependents. |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4002 |
*/ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4003 |
int |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4004 |
zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, int flag) |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4005 |
{ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4006 |
int ret; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4007 |
rollback_data_t cb = { 0 }; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4008 |
prop_changelist_t *clp; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4009 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4010 |
/* |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4011 |
* Unmount all dependendents of the dataset and the dataset itself. |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4012 |
* The list we need to gather is the same as for doing rename |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4013 |
*/ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4014 |
clp = changelist_gather(zhp, ZFS_PROP_NAME, flag ? MS_FORCE: 0); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4015 |
if (clp == NULL) |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4016 |
return (-1); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4017 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4018 |
if ((ret = changelist_prefix(clp)) != 0) |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4019 |
goto out; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4020 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4021 |
/* |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4022 |
* Destroy all recent snapshots and its dependends. |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4023 |
*/ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4024 |
cb.cb_target = snap->zfs_name; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4025 |
cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4026 |
cb.cb_clp = clp; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4027 |
(void) zfs_iter_children(zhp, rollback_destroy, &cb); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4028 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4029 |
if ((ret = cb.cb_error) != 0) { |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4030 |
(void) changelist_postfix(clp); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4031 |
goto out; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4032 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4033 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4034 |
/* |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4035 |
* Now that we have verified that the snapshot is the latest, |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4036 |
* rollback to the given snapshot. |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4037 |
*/ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4038 |
ret = do_rollback(zhp); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4039 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4040 |
if (ret != 0) { |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4041 |
(void) changelist_postfix(clp); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4042 |
goto out; |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4043 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4044 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4045 |
/* |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4046 |
* We only want to re-mount the filesystem if it was mounted in the |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4047 |
* first place. |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4048 |
*/ |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4049 |
ret = changelist_postfix(clp); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4050 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4051 |
out: |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4052 |
changelist_free(clp); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4053 |
return (ret); |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4054 |
} |
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4055 |
|
87b43e5de5ee
6364129 need to unmount any child datasets before doing the rollback
lling
parents:
1175
diff
changeset
|
4056 |
/* |
789 | 4057 |
* Iterate over all dependents for a given dataset. This includes both |
4058 |
* hierarchical dependents (children) and data dependents (snapshots and |
|
4059 |
* clones). The bulk of the processing occurs in get_dependents() in |
|
4060 |
* libzfs_graph.c. |
|
4061 |
*/ |
|
4062 |
int |
|
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
4063 |
zfs_iter_dependents(zfs_handle_t *zhp, boolean_t allowrecursion, |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
4064 |
zfs_iter_f func, void *data) |
789 | 4065 |
{ |
4066 |
char **dependents; |
|
4067 |
size_t count; |
|
4068 |
int i; |
|
4069 |
zfs_handle_t *child; |
|
4070 |
int ret = 0; |
|
4071 |
||
2474
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
4072 |
if (get_dependents(zhp->zfs_hdl, allowrecursion, zhp->zfs_name, |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
4073 |
&dependents, &count) != 0) |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
4074 |
return (-1); |
c001ad7e0c25
6368751 libzfs interface for mount/umounting all the file systems for a given pool
eschrock
parents:
2440
diff
changeset
|
4075 |
|
789 | 4076 |
for (i = 0; i < count; i++) { |
2082 | 4077 |
if ((child = make_dataset_handle(zhp->zfs_hdl, |
4078 |
dependents[i])) == NULL) |
|
789 | 4079 |
continue; |
4080 |
||
4081 |
if ((ret = func(child, data)) != 0) |
|
4082 |
break; |
|
4083 |
} |
|
4084 |
||
4085 |
for (i = 0; i < count; i++) |
|
4086 |
free(dependents[i]); |
|
4087 |
free(dependents); |
|
4088 |
||
4089 |
return (ret); |
|
4090 |
} |
|
4091 |
||
4092 |
/* |
|
4093 |
* Renames the given dataset. |
|
4094 |
*/ |
|
4095 |
int |
|
4490 | 4096 |
zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive) |
789 | 4097 |
{ |
4098 |
int ret; |
|
4099 |
zfs_cmd_t zc = { 0 }; |
|
4100 |
char *delim; |
|
4007 | 4101 |
prop_changelist_t *cl = NULL; |
4102 |
zfs_handle_t *zhrp = NULL; |
|
4103 |
char *parentname = NULL; |
|
789 | 4104 |
char parent[ZFS_MAXNAMELEN]; |
2082 | 4105 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
4106 |
char errbuf[1024]; |
|
789 | 4107 |
|
4108 |
/* if we have the same exact name, just return success */ |
|
4109 |
if (strcmp(zhp->zfs_name, target) == 0) |
|
4110 |
return (0); |
|
4111 |
||
2082 | 4112 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
4113 |
"cannot rename to '%s'"), target); |
|
4114 |
||
789 | 4115 |
/* |
4116 |
* Make sure the target name is valid |
|
4117 |
*/ |
|
4118 |
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { |
|
2665 | 4119 |
if ((strchr(target, '@') == NULL) || |
4120 |
*target == '@') { |
|
4121 |
/* |
|
4122 |
* Snapshot target name is abbreviated, |
|
4123 |
* reconstruct full dataset name |
|
4124 |
*/ |
|
4125 |
(void) strlcpy(parent, zhp->zfs_name, |
|
4126 |
sizeof (parent)); |
|
4127 |
delim = strchr(parent, '@'); |
|
4128 |
if (strchr(target, '@') == NULL) |
|
4129 |
*(++delim) = '\0'; |
|
4130 |
else |
|
4131 |
*delim = '\0'; |
|
4132 |
(void) strlcat(parent, target, sizeof (parent)); |
|
4133 |
target = parent; |
|
4134 |
} else { |
|
4135 |
/* |
|
4136 |
* Make sure we're renaming within the same dataset. |
|
4137 |
*/ |
|
4138 |
delim = strchr(target, '@'); |
|
4139 |
if (strncmp(zhp->zfs_name, target, delim - target) |
|
4140 |
!= 0 || zhp->zfs_name[delim - target] != '@') { |
|
4141 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
4142 |
"snapshots must be part of same " |
|
4143 |
"dataset")); |
|
4144 |
return (zfs_error(hdl, EZFS_CROSSTARGET, |
|
3912 | 4145 |
errbuf)); |
2665 | 4146 |
} |
789 | 4147 |
} |
2665 | 4148 |
if (!zfs_validate_name(hdl, target, zhp->zfs_type)) |
4149 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
|
789 | 4150 |
} else { |
4007 | 4151 |
if (recursive) { |
4152 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
4153 |
"recursive rename must be a snapshot")); |
|
4154 |
return (zfs_error(hdl, EZFS_BADTYPE, errbuf)); |
|
4155 |
} |
|
4156 |
||
2665 | 4157 |
if (!zfs_validate_name(hdl, target, zhp->zfs_type)) |
4158 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
|
2676 | 4159 |
uint64_t unused; |
4160 |
||
789 | 4161 |
/* validate parents */ |
4490 | 4162 |
if (check_parents(hdl, target, &unused, B_FALSE, NULL) != 0) |
789 | 4163 |
return (-1); |
4164 |
||
4165 |
(void) parent_name(target, parent, sizeof (parent)); |
|
4166 |
||
4167 |
/* make sure we're in the same pool */ |
|
4168 |
verify((delim = strchr(target, '/')) != NULL); |
|
4169 |
if (strncmp(zhp->zfs_name, target, delim - target) != 0 || |
|
4170 |
zhp->zfs_name[delim - target] != '/') { |
|
2082 | 4171 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
4172 |
"datasets must be within same pool")); |
|
4173 |
return (zfs_error(hdl, EZFS_CROSSTARGET, errbuf)); |
|
789 | 4174 |
} |
2440
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4175 |
|
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4176 |
/* new name cannot be a child of the current dataset name */ |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4177 |
if (strncmp(parent, zhp->zfs_name, |
3912 | 4178 |
strlen(zhp->zfs_name)) == 0) { |
2440
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4179 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4180 |
"New dataset name cannot be a descendent of " |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4181 |
"current dataset name")); |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4182 |
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); |
9281a87e8a9e
6451860 zfs rename' a filesystem|clone to its direct child will cause internal error
nd150628
parents:
2417
diff
changeset
|
4183 |
} |
789 | 4184 |
} |
4185 |
||
2082 | 4186 |
(void) snprintf(errbuf, sizeof (errbuf), |
4187 |
dgettext(TEXT_DOMAIN, "cannot rename '%s'"), zhp->zfs_name); |
|
4188 |
||
789 | 4189 |
if (getzoneid() == GLOBAL_ZONEID && |
4190 |
zfs_prop_get_int(zhp, ZFS_PROP_ZONED)) { |
|
2082 | 4191 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
4192 |
"dataset is used in a non-global zone")); |
|
4193 |
return (zfs_error(hdl, EZFS_ZONED, errbuf)); |
|
789 | 4194 |
} |
4195 |
||
4007 | 4196 |
if (recursive) { |
4197 |
struct destroydata dd; |
|
4198 |
||
4183
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4199 |
parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name); |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4200 |
if (parentname == NULL) { |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4201 |
ret = -1; |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4202 |
goto error; |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4203 |
} |
4007 | 4204 |
delim = strchr(parentname, '@'); |
4205 |
*delim = '\0'; |
|
4206 |
zhrp = zfs_open(zhp->zfs_hdl, parentname, ZFS_TYPE_ANY); |
|
4207 |
if (zhrp == NULL) { |
|
4183
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4208 |
ret = -1; |
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4209 |
goto error; |
4007 | 4210 |
} |
4211 |
||
4212 |
dd.snapname = delim + 1; |
|
4213 |
dd.gotone = B_FALSE; |
|
4183
8dbff10731ef
6550857 recursive rename leaks memory and segfaults on failure
mmusante
parents:
4180
diff
changeset
|
4214 |
dd.closezhp = B_TRUE; |
4007 | 4215 |
|
4216 |
/* We remove any zvol links prior to renaming them */ |
|
4217 |
ret = zfs_iter_filesystems(zhrp, zfs_remove_link_cb, &dd); |
|
4218 |
if (ret) { |
|
4219 |
goto error; |
|
4220 |
} |
|
4221 |
} else { |
|
4222 |
if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 0)) == NULL) |
|
4223 |
return (-1); |
|
4224 |
||
4225 |
if (changelist_haszonedchild(cl)) { |
|
4226 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
4227 |
"child dataset with inherited mountpoint is used " |
|
4228 |
"in a non-global zone")); |
|
4229 |
(void) zfs_error(hdl, EZFS_ZONED, errbuf); |
|
4230 |
goto error; |
|
4231 |
} |
|
4232 |
||
4233 |
if ((ret = changelist_prefix(cl)) != 0) |
|
4234 |
goto error; |
|
789 | 4235 |
} |
4236 |
||
2676 | 4237 |
if (ZFS_IS_VOLUME(zhp)) |
789 | 4238 |
zc.zc_objset_type = DMU_OST_ZVOL; |
4239 |
else |
|
4240 |
zc.zc_objset_type = DMU_OST_ZFS; |
|
4241 |
||
2665 | 4242 |
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name)); |
2676 | 4243 |
(void) strlcpy(zc.zc_value, target, sizeof (zc.zc_value)); |
2665 | 4244 |
|
4007 | 4245 |
zc.zc_cookie = recursive; |
4246 |
||
4543 | 4247 |
if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_RENAME, &zc)) != 0) { |
4007 | 4248 |
/* |
4249 |
* if it was recursive, the one that actually failed will |
|
4250 |
* be in zc.zc_name |
|
4251 |
*/ |
|
4252 |
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, |
|
4253 |
"cannot rename to '%s'"), zc.zc_name); |
|
4254 |
||
4255 |
if (recursive && errno == EEXIST) { |
|
4256 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
4257 |
"a child dataset already has a snapshot " |
|
4258 |
"with the new name")); |
|
4259 |
(void) zfs_error(hdl, EZFS_CROSSTARGET, errbuf); |
|
4260 |
} else { |
|
4261 |
(void) zfs_standard_error(zhp->zfs_hdl, errno, errbuf); |
|
4262 |
} |
|
789 | 4263 |
|
4264 |
/* |
|
4265 |
* On failure, we still want to remount any filesystems that |
|
4266 |
* were previously mounted, so we don't alter the system state. |
|
4267 |
*/ |
|
4007 | 4268 |
if (recursive) { |
4269 |
struct createdata cd; |
|
4270 |
||
4271 |
/* only create links for datasets that had existed */ |
|
4272 |
cd.cd_snapname = delim + 1; |
|
4273 |
cd.cd_ifexists = B_TRUE; |
|
4274 |
(void) zfs_iter_filesystems(zhrp, zfs_create_link_cb, |
|
4275 |
&cd); |
|
4276 |
} else { |
|
4277 |
(void) changelist_postfix(cl); |
|
4278 |
} |
|
789 | 4279 |
} else { |
4007 | 4280 |
if (recursive) { |
4281 |
struct createdata cd; |
|
4282 |
||
4283 |
/* only create links for datasets that had existed */ |
|
4284 |
cd.cd_snapname = strchr(target, '@') + 1; |
|
4285 |
cd.cd_ifexists = B_TRUE; |
|
4286 |
ret = zfs_iter_filesystems(zhrp, zfs_create_link_cb, |
|
4287 |
&cd); |
|
4288 |
} else { |
|
4289 |
changelist_rename(cl, zfs_get_name(zhp), target); |
|
4290 |
ret = changelist_postfix(cl); |
|
4291 |
} |
|
789 | 4292 |
} |
4293 |
||
4294 |
error: |
|
4007 | 4295 |
if (parentname) { |
4296 |
free(parentname); |
|
4297 |
} |
|
4298 |
if (zhrp) { |
|
4299 |
zfs_close(zhrp); |
|
4300 |
} |
|
4301 |
if (cl) { |
|
4302 |
changelist_free(cl); |
|
4303 |
} |
|
789 | 4304 |
return (ret); |
4305 |
} |
|
4306 |
||
4307 |
/* |
|
4308 |
* Given a zvol dataset, issue the ioctl to create the appropriate minor node, |
|
4309 |
* poke devfsadm to create the /dev link, and then wait for the link to appear. |
|
4310 |
*/ |
|
4311 |
int |
|
2082 | 4312 |
zvol_create_link(libzfs_handle_t *hdl, const char *dataset) |
789 | 4313 |
{ |
4007 | 4314 |
return (zvol_create_link_common(hdl, dataset, B_FALSE)); |
4315 |
} |
|
4316 |
||
4317 |
static int |
|
4318 |
zvol_create_link_common(libzfs_handle_t *hdl, const char *dataset, int ifexists) |
|
4319 |
{ |
|
789 | 4320 |
zfs_cmd_t zc = { 0 }; |
2082 | 4321 |
di_devlink_handle_t dhdl; |
4543 | 4322 |
priv_set_t *priv_effective; |
4323 |
int privileged; |
|
789 | 4324 |
|
4325 |
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); |
|
4326 |
||
4327 |
/* |
|
4328 |
* Issue the appropriate ioctl. |
|
4329 |
*/ |
|
2082 | 4330 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_CREATE_MINOR, &zc) != 0) { |
789 | 4331 |
switch (errno) { |
4332 |
case EEXIST: |
|
4333 |
/* |
|
4334 |
* Silently ignore the case where the link already |
|
4335 |
* exists. This allows 'zfs volinit' to be run multiple |
|
4336 |
* times without errors. |
|
4337 |
*/ |
|
4338 |
return (0); |
|
4339 |
||
4007 | 4340 |
case ENOENT: |
4341 |
/* |
|
4342 |
* Dataset does not exist in the kernel. If we |
|
4343 |
* don't care (see zfs_rename), then ignore the |
|
4344 |
* error quietly. |
|
4345 |
*/ |
|
4346 |
if (ifexists) { |
|
4347 |
return (0); |
|
4348 |
} |
|
4349 |
||
4350 |
/* FALLTHROUGH */ |
|
4351 |
||
789 | 4352 |
default: |
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
4353 |
return (zfs_standard_error_fmt(hdl, errno, |
2082 | 4354 |
dgettext(TEXT_DOMAIN, "cannot create device links " |
4355 |
"for '%s'"), dataset)); |
|
789 | 4356 |
} |
4357 |
} |
|
4358 |
||
4359 |
/* |
|
4543 | 4360 |
* If privileged call devfsadm and wait for the links to |
4361 |
* magically appear. |
|
4362 |
* Otherwise, print out an informational message. |
|
789 | 4363 |
*/ |
4543 | 4364 |
|
4365 |
priv_effective = priv_allocset(); |
|
4366 |
(void) getppriv(PRIV_EFFECTIVE, priv_effective); |
|
4367 |
privileged = (priv_isfullset(priv_effective) == B_TRUE); |
|
4368 |
priv_freeset(priv_effective); |
|
4369 |
||
4370 |
if (privileged) { |
|
4371 |
if ((dhdl = di_devlink_init(ZFS_DRIVER, |
|
4372 |
DI_MAKE_LINK)) == NULL) { |
|
4373 |
zfs_error_aux(hdl, strerror(errno)); |
|
4374 |
(void) zfs_standard_error_fmt(hdl, EZFS_DEVLINKS, |
|
4375 |
dgettext(TEXT_DOMAIN, "cannot create device links " |
|
4376 |
"for '%s'"), dataset); |
|
4377 |
(void) ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc); |
|
4378 |
return (-1); |
|
4379 |
} else { |
|
4380 |
(void) di_devlink_fini(&dhdl); |
|
4381 |
} |
|
789 | 4382 |
} else { |
4543 | 4383 |
char pathname[MAXPATHLEN]; |
4384 |
struct stat64 statbuf; |
|
4385 |
int i; |
|
4386 |
||
4387 |
#define MAX_WAIT 10 |
|
4388 |
||
4389 |
/* |
|
4390 |
* This is the poor mans way of waiting for the link |
|
4391 |
* to show up. If after 10 seconds we still don't |
|
4392 |
* have it, then print out a message. |
|
4393 |
*/ |
|
4394 |
(void) snprintf(pathname, sizeof (pathname), "/dev/zvol/dsk/%s", |
|
4395 |
dataset); |
|
4396 |
||
4397 |
for (i = 0; i != MAX_WAIT; i++) { |
|
4398 |
if (stat64(pathname, &statbuf) == 0) |
|
4399 |
break; |
|
4400 |
(void) sleep(1); |
|
4401 |
} |
|
4402 |
if (i == MAX_WAIT) |
|
4403 |
(void) printf(gettext("%s may not be immediately " |
|
4404 |
"available\n"), pathname); |
|
789 | 4405 |
} |
4406 |
||
4407 |
return (0); |
|
4408 |
} |
|
4409 |
||
4410 |
/* |
|
4411 |
* Remove a minor node for the given zvol and the associated /dev links. |
|
4412 |
*/ |
|
4413 |
int |
|
2082 | 4414 |
zvol_remove_link(libzfs_handle_t *hdl, const char *dataset) |
789 | 4415 |
{ |
4416 |
zfs_cmd_t zc = { 0 }; |
|
4417 |
||
4418 |
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); |
|
4419 |
||
2082 | 4420 |
if (ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc) != 0) { |
789 | 4421 |
switch (errno) { |
4422 |
case ENXIO: |
|
4423 |
/* |
|
4424 |
* Silently ignore the case where the link no longer |
|
4425 |
* exists, so that 'zfs volfini' can be run multiple |
|
4426 |
* times without errors. |
|
4427 |
*/ |
|
4428 |
return (0); |
|
4429 |
||
4430 |
default: |
|
3237
98d0c28f2f5e
6480245 renaming a dataset to something with '%s' will cause segfault
lling
parents:
3234
diff
changeset
|
4431 |
return (zfs_standard_error_fmt(hdl, errno, |
2082 | 4432 |
dgettext(TEXT_DOMAIN, "cannot remove device " |
4433 |
"links for '%s'"), dataset)); |
|
789 | 4434 |
} |
4435 |
} |
|
4436 |
||
4437 |
return (0); |
|
4438 |
} |
|
2676 | 4439 |
|
4440 |
nvlist_t * |
|
4441 |
zfs_get_user_props(zfs_handle_t *zhp) |
|
4442 |
{ |
|
4443 |
return (zhp->zfs_user_props); |
|
4444 |
} |
|
4445 |
||
4446 |
/* |
|
4451 | 4447 |
* Given a comma-separated list of properties, construct a property list |
2676 | 4448 |
* containing both user-defined and native properties. This function will |
4449 |
* return a NULL list if 'all' is specified, which can later be expanded on a |
|
4450 |
* per-dataset basis by zfs_expand_proplist(). |
|
4451 |
*/ |
|
4452 |
int |
|
3912 | 4453 |
zfs_get_proplist_common(libzfs_handle_t *hdl, char *fields, |
4454 |
zfs_proplist_t **listp, zfs_type_t type) |
|
2676 | 4455 |
{ |
4456 |
size_t len; |
|
4457 |
char *s, *p; |
|
4458 |
char c; |
|
4459 |
zfs_prop_t prop; |
|
4460 |
zfs_proplist_t *entry; |
|
4461 |
zfs_proplist_t **last; |
|
4462 |
||
4463 |
*listp = NULL; |
|
4464 |
last = listp; |
|
4465 |
||
4466 |
/* |
|
4467 |
* If 'all' is specified, return a NULL list. |
|
4468 |
*/ |
|
4469 |
if (strcmp(fields, "all") == 0) |
|
4470 |
return (0); |
|
4471 |
||
4472 |
/* |
|
4473 |
* If no fields were specified, return an error. |
|
4474 |
*/ |
|
4475 |
if (fields[0] == '\0') { |
|
4476 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
4477 |
"no properties specified")); |
|
4478 |
return (zfs_error(hdl, EZFS_BADPROP, dgettext(TEXT_DOMAIN, |
|
4479 |
"bad property list"))); |
|
4480 |
} |
|
4481 |
||
4482 |
/* |
|
4483 |
* It would be nice to use getsubopt() here, but the inclusion of column |
|
4484 |
* aliases makes this more effort than it's worth. |
|
4485 |
*/ |
|
4486 |
s = fields; |
|
4487 |
while (*s != '\0') { |
|
4488 |
if ((p = strchr(s, ',')) == NULL) { |
|
4489 |
len = strlen(s); |
|
4490 |
p = s + len; |
|
4491 |
} else { |
|
4492 |
len = p - s; |
|
4493 |
} |
|
4494 |
||
4495 |
/* |
|
4496 |
* Check for empty options. |
|
4497 |
*/ |
|
4498 |
if (len == 0) { |
|
4499 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
|
4500 |
"empty property name")); |
|
4501 |
return (zfs_error(hdl, EZFS_BADPROP, |
|
4502 |
dgettext(TEXT_DOMAIN, "bad property list"))); |
|
4503 |
} |
|
4504 |
||
4505 |
/* |
|
4506 |
* Check all regular property names. |
|
4507 |
*/ |
|
4508 |
c = s[len]; |
|
4509 |
s[len] = '\0'; |
|
4451 | 4510 |
prop = type == ZFS_TYPE_POOL ? zpool_name_to_prop(s) : |
4511 |
zfs_name_to_prop(s); |
|
3912 | 4512 |
|
4513 |
if (prop != ZFS_PROP_INVAL && |
|
4514 |
!zfs_prop_valid_for_type(prop, type)) |
|
4515 |
prop = ZFS_PROP_INVAL; |
|
2676 | 4516 |
|
4517 |
/* |
|
3912 | 4518 |
* When no property table entry can be found, return failure if |
4519 |
* this is a pool property or if this isn't a user-defined |
|
4520 |
* dataset property, |
|
2676 | 4521 |
*/ |
3912 | 4522 |
if (prop == ZFS_PROP_INVAL && |
4523 |
(type & ZFS_TYPE_POOL || !zfs_prop_user(s))) { |
|
2676 | 4524 |
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
4525 |
"invalid property '%s'"), s); |
|
4526 |
return (zfs_error(hdl, EZFS_BADPROP, |
|
4527 |
dgettext(TEXT_DOMAIN, "bad property list"))); |
|
4528 |
} |
|
4529 |
||
4530 |
if ((entry = zfs_alloc(hdl, sizeof (zfs_proplist_t))) == NULL) |
|
4531 |
return (-1); |
|
4532 |
||
4533 |
entry->pl_prop = prop; |
|
4534 |
if (prop == ZFS_PROP_INVAL) { |
|
4535 |
if ((entry->pl_user_prop = |
|
4536 |
zfs_strdup(hdl, s)) == NULL) { |
|
4537 |
free(entry); |
|
4538 |
return (-1); |
|
4539 |
} |
|
4540 |
entry->pl_width = strlen(s); |
|
4541 |
} else { |
|
4542 |
entry->pl_width = zfs_prop_width(prop, |
|
4543 |
&entry->pl_fixed); |
|
4544 |
} |
|
4545 |
||
4546 |
*last = entry; |
|
4547 |
last = &entry->pl_next; |
|
4548 |
||
4549 |
s = p; |
|
4550 |
if (c == ',') |
|
4551 |
s++; |
|
4552 |
} |
|
4553 |
||
4554 |
return (0); |
|
4555 |
} |
|
4556 |
||
3912 | 4557 |
int |
4558 |
zfs_get_proplist(libzfs_handle_t *hdl, char *fields, zfs_proplist_t **listp) |
|
4559 |
{ |
|
4560 |
return (zfs_get_proplist_common(hdl, fields, listp, ZFS_TYPE_ANY)); |
|
4561 |
} |
|
4562 |
||
2676 | 4563 |
void |
4564 |
zfs_free_proplist(zfs_proplist_t *pl) |
|
4565 |
{ |
|
4566 |
zfs_proplist_t *next; |
|
4567 |
||
4568 |
while (pl != NULL) { |
|
4569 |
next = pl->pl_next; |
|
4570 |
free(pl->pl_user_prop); |
|
4571 |
free(pl); |
|
4572 |
pl = next; |
|
4573 |
} |
|
4574 |
} |
|
4575 |
||
3654
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4576 |
typedef struct expand_data { |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4577 |
zfs_proplist_t **last; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4578 |
libzfs_handle_t *hdl; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4579 |
} expand_data_t; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4580 |
|
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4581 |
static zfs_prop_t |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4582 |
zfs_expand_proplist_cb(zfs_prop_t prop, void *cb) |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4583 |
{ |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4584 |
zfs_proplist_t *entry; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4585 |
expand_data_t *edp = cb; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4586 |
|
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4587 |
if ((entry = zfs_alloc(edp->hdl, sizeof (zfs_proplist_t))) == NULL) |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4588 |
return (ZFS_PROP_INVAL); |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4589 |
|
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4590 |
entry->pl_prop = prop; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4591 |
entry->pl_width = zfs_prop_width(prop, &entry->pl_fixed); |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4592 |
entry->pl_all = B_TRUE; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4593 |
|
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4594 |
*(edp->last) = entry; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4595 |
edp->last = &entry->pl_next; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4596 |
|
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4597 |
return (ZFS_PROP_CONT); |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4598 |
} |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4599 |
|
2676 | 4600 |
int |
3912 | 4601 |
zfs_expand_proplist_common(libzfs_handle_t *hdl, zfs_proplist_t **plp, |
4602 |
zfs_type_t type) |
|
2676 | 4603 |
{ |
4604 |
zfs_proplist_t *entry; |
|
3912 | 4605 |
zfs_proplist_t **last; |
3654
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4606 |
expand_data_t exp; |
2676 | 4607 |
|
4608 |
if (*plp == NULL) { |
|
4609 |
/* |
|
4610 |
* If this is the very first time we've been called for an 'all' |
|
4611 |
* specification, expand the list to include all native |
|
4612 |
* properties. |
|
4613 |
*/ |
|
4614 |
last = plp; |
|
3654
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4615 |
|
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4616 |
exp.last = last; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4617 |
exp.hdl = hdl; |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4618 |
|
3912 | 4619 |
if (zfs_prop_iter_common(zfs_expand_proplist_cb, &exp, type, |
3654
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4620 |
B_FALSE) == ZFS_PROP_INVAL) |
9c6042b08979
6483718 need a stable interface to get all native properties
gw25295
parents:
3504
diff
changeset
|
4621 |
return (-1); |
2676 | 4622 |
|
4623 |
/* |
|
4624 |
* Add 'name' to the beginning of the list, which is handled |
|
4625 |
* specially. |
|
4626 |
*/ |
|
4627 |
if ((entry = zfs_alloc(hdl, |
|
4628 |
sizeof (zfs_proplist_t))) == NULL) |
|
4629 |
return (-1); |
|
4630 |
||
4631 |
entry->pl_prop = ZFS_PROP_NAME; |
|
4632 |
entry->pl_width = zfs_prop_width(ZFS_PROP_NAME, |
|
4633 |
&entry->pl_fixed); |
|
4634 |
entry->pl_all = B_TRUE; |
|
4635 |
entry->pl_next = *plp; |
|
4636 |
*plp = entry; |
|
4637 |
} |
|
3912 | 4638 |
return (0); |
4639 |
} |
|
4640 |
||
4641 |
/* |
|
4642 |
* This function is used by 'zfs list' to determine the exact set of columns to |
|
4643 |
* display, and their maximum widths. This does two main things: |
|
4644 |
* |
|
4645 |
* - If this is a list of all properties, then expand the list to include |
|
4646 |
* all native properties, and set a flag so that for each dataset we look |
|
4647 |
* for new unique user properties and add them to the list. |
|
4648 |
* |
|
4649 |
* - For non fixed-width properties, keep track of the maximum width seen |
|
4650 |
* so that we can size the column appropriately. |
|
4651 |
*/ |
|
4652 |
int |
|
4653 |
zfs_expand_proplist(zfs_handle_t *zhp, zfs_proplist_t **plp) |
|
4654 |
{ |
|
4655 |
libzfs_handle_t *hdl = zhp->zfs_hdl; |
|
4656 |
zfs_proplist_t *entry; |
|
4657 |
zfs_proplist_t **last, **start; |
|
4658 |
nvlist_t *userprops, *propval; |
|
4659 |
nvpair_t *elem; |
|
4660 |
char *strval; |
|
4661 |
char buf[ZFS_MAXPROPLEN]; |
|
4662 |
||
4663 |
if (zfs_expand_proplist_common(hdl, plp, ZFS_TYPE_ANY) != 0) |
|
4664 |
return (-1); |
|
2676 | 4665 |
|
4666 |
userprops = zfs_get_user_props(zhp); |
|
4667 |
||
4668 |
entry = *plp; |
|
4669 |
if (entry->pl_all && nvlist_next_nvpair(userprops, NULL) != NULL) { |
|
4670 |
/* |
|
4671 |
* Go through and add any user properties as necessary. We |
|
4672 |
* start by incrementing our list pointer to the first |
|
4673 |
* non-native property. |
|
4674 |
*/ |
|
4675 |
start = plp; |
|
4676 |
while (*start != NULL) { |
|
4677 |
if ((*start)->pl_prop == ZFS_PROP_INVAL) |
|
4678 |
break; |
|
4679 |
start = &(*start)->pl_next; |
|
4680 |
} |
|
4681 |
||
4682 |
elem = NULL; |
|
4683 |
while ((elem = nvlist_next_nvpair(userprops, elem)) != NULL) { |
|
4684 |
/* |
|
4685 |
* See if we've already found this property in our list. |
|
4686 |
*/ |
|
4687 |
for (last = start; *last != NULL; |
|
4688 |
last = &(*last)->pl_next) { |
|
4689 |
if (strcmp((*last)->pl_user_prop, |
|
4690 |
nvpair_name(elem)) == 0) |
|
4691 |
break; |
|
4692 |
} |
|
4693 |
||
4694 |
if (*last == NULL) { |
|
4695 |
if ((entry = zfs_alloc(hdl, |
|
4696 |
sizeof (zfs_proplist_t))) == NULL || |
|
4697 |
((entry->pl_user_prop = zfs_strdup(hdl, |
|
4698 |
nvpair_name(elem)))) == NULL) { |
|
4699 |
free(entry); |
|
4700 |
return (-1); |
|
4701 |
} |
|
4702 |
||
4703 |
entry->pl_prop = ZFS_PROP_INVAL; |
|
4704 |
entry->pl_width = strlen(nvpair_name(elem)); |
|
4705 |
entry->pl_all = B_TRUE; |
|
4706 |
*last = entry; |
|
4707 |
} |
|
4708 |
} |
|
4709 |
} |
|
4710 |
||
4711 |
/* |
|
4712 |
* Now go through and check the width of any non-fixed columns |
|
4713 |
*/ |
|
4714 |
for (entry = *plp; entry != NULL; entry = entry->pl_next) { |
|
4715 |
if (entry->pl_fixed) |
|
4716 |
continue; |
|
4717 |
||
4718 |
if (entry->pl_prop != ZFS_PROP_INVAL) { |
|
4719 |
if (zfs_prop_get(zhp, entry->pl_prop, |
|
4720 |
buf, sizeof (buf), NULL, NULL, 0, B_FALSE) == 0) { |
|
4721 |
if (strlen(buf) > entry->pl_width) |
|
4722 |
entry->pl_width = strlen(buf); |
|
4723 |
} |
|
4724 |
} else if (nvlist_lookup_nvlist(userprops, |
|
4725 |
entry->pl_user_prop, &propval) == 0) { |
|
4726 |
verify(nvlist_lookup_string(propval, |
|
4727 |
ZFS_PROP_VALUE, &strval) == 0); |
|
4728 |
if (strlen(strval) > entry->pl_width) |
|
4729 |
entry->pl_width = strlen(strval); |
|
4730 |
} |
|
4731 |
} |
|
4732 |
||
4733 |
return (0); |
|
4734 |
} |
|
4543 | 4735 |
|
4736 |
int |
|
4737 |
zfs_iscsi_perm_check(libzfs_handle_t *hdl, char *dataset, ucred_t *cred) |
|
4738 |
{ |
|
4739 |
zfs_cmd_t zc = { 0 }; |
|
4740 |
nvlist_t *nvp; |
|
4741 |
size_t sz; |
|
4742 |
gid_t gid; |
|
4743 |
uid_t uid; |
|
4744 |
const gid_t *groups; |
|
4745 |
int group_cnt; |
|
4746 |
int error; |
|
4747 |
||
4748 |
if (nvlist_alloc(&nvp, NV_UNIQUE_NAME, 0) != 0) |
|
4749 |
return (no_memory(hdl)); |
|
4750 |
||
4751 |
uid = ucred_geteuid(cred); |
|
4752 |
gid = ucred_getegid(cred); |
|
4753 |
group_cnt = ucred_getgroups(cred, &groups); |
|
4754 |
||
4755 |
if (uid == (uid_t)-1 || gid == (uid_t)-1 || group_cnt == (uid_t)-1) |
|
4756 |
return (1); |
|
4757 |
||
4758 |
if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_UID, uid) != 0) { |
|
4759 |
nvlist_free(nvp); |
|
4760 |
return (1); |
|
4761 |
} |
|
4762 |
||
4763 |
if (nvlist_add_uint32(nvp, ZFS_DELEG_PERM_GID, gid) != 0) { |
|
4764 |
nvlist_free(nvp); |
|
4765 |
return (1); |
|
4766 |
} |
|
4767 |
||
4768 |
if (nvlist_add_uint32_array(nvp, |
|
4769 |
ZFS_DELEG_PERM_GROUPS, (uint32_t *)groups, group_cnt) != 0) { |
|
4770 |
nvlist_free(nvp); |
|
4771 |
return (1); |
|
4772 |
} |
|
4773 |
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); |
|
4774 |
||
4775 |
if (zcmd_write_src_nvlist(hdl, &zc, nvp, &sz)) |
|
4776 |
return (-1); |
|
4777 |
||
4778 |
error = ioctl(hdl->libzfs_fd, ZFS_IOC_ISCSI_PERM_CHECK, &zc); |
|
4779 |
nvlist_free(nvp); |
|
4780 |
return (error); |
|
4781 |
} |
|
4782 |
||
4783 |
int |
|
4784 |
zfs_deleg_share_nfs(libzfs_handle_t *hdl, char *dataset, char *path, |
|
4785 |
void *export, void *sharetab, int sharemax, boolean_t share_on) |
|
4786 |
{ |
|
4787 |
zfs_cmd_t zc = { 0 }; |
|
4788 |
int error; |
|
4789 |
||
4790 |
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name)); |
|
4791 |
(void) strlcpy(zc.zc_value, path, sizeof (zc.zc_value)); |
|
4792 |
zc.zc_share.z_sharedata = (uint64_t)(uintptr_t)sharetab; |
|
4793 |
zc.zc_share.z_exportdata = (uint64_t)(uintptr_t)export; |
|
4794 |
zc.zc_share.z_sharetype = share_on; |
|
4795 |
zc.zc_share.z_sharemax = sharemax; |
|
4796 |
||
4797 |
error = ioctl(hdl->libzfs_fd, ZFS_IOC_SHARE, &zc); |
|
4798 |
return (error); |
|
4799 |
} |