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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
9ae529ec | 21 | |
34dc7c2f | 22 | /* |
428870ff | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
d22f3a82 | 24 | * Copyright (c) 2018, Joyent, Inc. All rights reserved. |
d2734cce | 25 | * Copyright (c) 2011, 2017 by Delphix. All rights reserved. |
23d70cde | 26 | * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com> |
0ea05c64 | 27 | * Copyright (c) 2017 Datto Inc. |
34dc7c2f BB |
28 | */ |
29 | ||
34dc7c2f BB |
30 | /* |
31 | * Internal utility routines for the ZFS library. | |
32 | */ | |
33 | ||
34 | #include <errno.h> | |
35 | #include <fcntl.h> | |
36 | #include <libintl.h> | |
37 | #include <stdarg.h> | |
38 | #include <stdio.h> | |
39 | #include <stdlib.h> | |
40 | #include <strings.h> | |
41 | #include <unistd.h> | |
42 | #include <ctype.h> | |
43 | #include <math.h> | |
d603ed6c | 44 | #include <sys/stat.h> |
34dc7c2f BB |
45 | #include <sys/mnttab.h> |
46 | #include <sys/mntent.h> | |
47 | #include <sys/types.h> | |
120ff39a | 48 | #include <sys/wait.h> |
34dc7c2f BB |
49 | |
50 | #include <libzfs.h> | |
6f1ffb06 | 51 | #include <libzfs_core.h> |
34dc7c2f BB |
52 | |
53 | #include "libzfs_impl.h" | |
54 | #include "zfs_prop.h" | |
9ae529ec | 55 | #include "zfeature_common.h" |
dc03fa30 | 56 | #include <zfs_fletcher.h> |
34dc7c2f BB |
57 | |
58 | int | |
59 | libzfs_errno(libzfs_handle_t *hdl) | |
60 | { | |
61 | return (hdl->libzfs_error); | |
62 | } | |
63 | ||
65037d9b BB |
64 | const char * |
65 | libzfs_error_init(int error) | |
66 | { | |
67 | switch (error) { | |
68 | case ENXIO: | |
69 | return (dgettext(TEXT_DOMAIN, "The ZFS modules are not " | |
70 | "loaded.\nTry running '/sbin/modprobe zfs' as root " | |
71 | "to load them.\n")); | |
72 | case ENOENT: | |
79251738 | 73 | return (dgettext(TEXT_DOMAIN, "/dev/zfs and /proc/self/mounts " |
74 | "are required.\nTry running 'udevadm trigger' and 'mount " | |
75 | "-t proc proc /proc' as root.\n")); | |
65037d9b BB |
76 | case ENOEXEC: |
77 | return (dgettext(TEXT_DOMAIN, "The ZFS modules cannot be " | |
78 | "auto-loaded.\nTry running '/sbin/modprobe zfs' as " | |
79 | "root to manually load them.\n")); | |
80 | case EACCES: | |
81 | return (dgettext(TEXT_DOMAIN, "Permission denied the " | |
82 | "ZFS utilities must be run as root.\n")); | |
83 | default: | |
84 | return (dgettext(TEXT_DOMAIN, "Failed to initialize the " | |
85 | "libzfs library.\n")); | |
86 | } | |
87 | } | |
88 | ||
34dc7c2f BB |
89 | const char * |
90 | libzfs_error_action(libzfs_handle_t *hdl) | |
91 | { | |
92 | return (hdl->libzfs_action); | |
93 | } | |
94 | ||
95 | const char * | |
96 | libzfs_error_description(libzfs_handle_t *hdl) | |
97 | { | |
98 | if (hdl->libzfs_desc[0] != '\0') | |
99 | return (hdl->libzfs_desc); | |
100 | ||
101 | switch (hdl->libzfs_error) { | |
102 | case EZFS_NOMEM: | |
103 | return (dgettext(TEXT_DOMAIN, "out of memory")); | |
104 | case EZFS_BADPROP: | |
105 | return (dgettext(TEXT_DOMAIN, "invalid property value")); | |
106 | case EZFS_PROPREADONLY: | |
572e2857 | 107 | return (dgettext(TEXT_DOMAIN, "read-only property")); |
34dc7c2f BB |
108 | case EZFS_PROPTYPE: |
109 | return (dgettext(TEXT_DOMAIN, "property doesn't apply to " | |
110 | "datasets of this type")); | |
111 | case EZFS_PROPNONINHERIT: | |
112 | return (dgettext(TEXT_DOMAIN, "property cannot be inherited")); | |
113 | case EZFS_PROPSPACE: | |
114 | return (dgettext(TEXT_DOMAIN, "invalid quota or reservation")); | |
115 | case EZFS_BADTYPE: | |
116 | return (dgettext(TEXT_DOMAIN, "operation not applicable to " | |
117 | "datasets of this type")); | |
118 | case EZFS_BUSY: | |
119 | return (dgettext(TEXT_DOMAIN, "pool or dataset is busy")); | |
120 | case EZFS_EXISTS: | |
121 | return (dgettext(TEXT_DOMAIN, "pool or dataset exists")); | |
122 | case EZFS_NOENT: | |
123 | return (dgettext(TEXT_DOMAIN, "no such pool or dataset")); | |
124 | case EZFS_BADSTREAM: | |
125 | return (dgettext(TEXT_DOMAIN, "invalid backup stream")); | |
126 | case EZFS_DSREADONLY: | |
572e2857 | 127 | return (dgettext(TEXT_DOMAIN, "dataset is read-only")); |
34dc7c2f BB |
128 | case EZFS_VOLTOOBIG: |
129 | return (dgettext(TEXT_DOMAIN, "volume size exceeds limit for " | |
130 | "this system")); | |
34dc7c2f BB |
131 | case EZFS_INVALIDNAME: |
132 | return (dgettext(TEXT_DOMAIN, "invalid name")); | |
133 | case EZFS_BADRESTORE: | |
134 | return (dgettext(TEXT_DOMAIN, "unable to restore to " | |
135 | "destination")); | |
136 | case EZFS_BADBACKUP: | |
137 | return (dgettext(TEXT_DOMAIN, "backup failed")); | |
138 | case EZFS_BADTARGET: | |
139 | return (dgettext(TEXT_DOMAIN, "invalid target vdev")); | |
140 | case EZFS_NODEVICE: | |
141 | return (dgettext(TEXT_DOMAIN, "no such device in pool")); | |
142 | case EZFS_BADDEV: | |
143 | return (dgettext(TEXT_DOMAIN, "invalid device")); | |
144 | case EZFS_NOREPLICAS: | |
145 | return (dgettext(TEXT_DOMAIN, "no valid replicas")); | |
146 | case EZFS_RESILVERING: | |
147 | return (dgettext(TEXT_DOMAIN, "currently resilvering")); | |
148 | case EZFS_BADVERSION: | |
9ae529ec CS |
149 | return (dgettext(TEXT_DOMAIN, "unsupported version or " |
150 | "feature")); | |
34dc7c2f BB |
151 | case EZFS_POOLUNAVAIL: |
152 | return (dgettext(TEXT_DOMAIN, "pool is unavailable")); | |
153 | case EZFS_DEVOVERFLOW: | |
154 | return (dgettext(TEXT_DOMAIN, "too many devices in one vdev")); | |
155 | case EZFS_BADPATH: | |
156 | return (dgettext(TEXT_DOMAIN, "must be an absolute path")); | |
157 | case EZFS_CROSSTARGET: | |
158 | return (dgettext(TEXT_DOMAIN, "operation crosses datasets or " | |
159 | "pools")); | |
160 | case EZFS_ZONED: | |
161 | return (dgettext(TEXT_DOMAIN, "dataset in use by local zone")); | |
162 | case EZFS_MOUNTFAILED: | |
163 | return (dgettext(TEXT_DOMAIN, "mount failed")); | |
164 | case EZFS_UMOUNTFAILED: | |
165 | return (dgettext(TEXT_DOMAIN, "umount failed")); | |
166 | case EZFS_UNSHARENFSFAILED: | |
167 | return (dgettext(TEXT_DOMAIN, "unshare(1M) failed")); | |
168 | case EZFS_SHARENFSFAILED: | |
169 | return (dgettext(TEXT_DOMAIN, "share(1M) failed")); | |
170 | case EZFS_UNSHARESMBFAILED: | |
171 | return (dgettext(TEXT_DOMAIN, "smb remove share failed")); | |
172 | case EZFS_SHARESMBFAILED: | |
173 | return (dgettext(TEXT_DOMAIN, "smb add share failed")); | |
34dc7c2f BB |
174 | case EZFS_PERM: |
175 | return (dgettext(TEXT_DOMAIN, "permission denied")); | |
176 | case EZFS_NOSPC: | |
177 | return (dgettext(TEXT_DOMAIN, "out of space")); | |
428870ff BB |
178 | case EZFS_FAULT: |
179 | return (dgettext(TEXT_DOMAIN, "bad address")); | |
34dc7c2f BB |
180 | case EZFS_IO: |
181 | return (dgettext(TEXT_DOMAIN, "I/O error")); | |
182 | case EZFS_INTR: | |
183 | return (dgettext(TEXT_DOMAIN, "signal received")); | |
184 | case EZFS_ISSPARE: | |
185 | return (dgettext(TEXT_DOMAIN, "device is reserved as a hot " | |
186 | "spare")); | |
187 | case EZFS_INVALCONFIG: | |
188 | return (dgettext(TEXT_DOMAIN, "invalid vdev configuration")); | |
189 | case EZFS_RECURSIVE: | |
190 | return (dgettext(TEXT_DOMAIN, "recursive dataset dependency")); | |
191 | case EZFS_NOHISTORY: | |
192 | return (dgettext(TEXT_DOMAIN, "no history available")); | |
34dc7c2f BB |
193 | case EZFS_POOLPROPS: |
194 | return (dgettext(TEXT_DOMAIN, "failed to retrieve " | |
195 | "pool properties")); | |
196 | case EZFS_POOL_NOTSUP: | |
197 | return (dgettext(TEXT_DOMAIN, "operation not supported " | |
198 | "on this type of pool")); | |
199 | case EZFS_POOL_INVALARG: | |
200 | return (dgettext(TEXT_DOMAIN, "invalid argument for " | |
201 | "this pool operation")); | |
202 | case EZFS_NAMETOOLONG: | |
203 | return (dgettext(TEXT_DOMAIN, "dataset name is too long")); | |
204 | case EZFS_OPENFAILED: | |
205 | return (dgettext(TEXT_DOMAIN, "open failed")); | |
206 | case EZFS_NOCAP: | |
207 | return (dgettext(TEXT_DOMAIN, | |
208 | "disk capacity information could not be retrieved")); | |
209 | case EZFS_LABELFAILED: | |
210 | return (dgettext(TEXT_DOMAIN, "write of label failed")); | |
211 | case EZFS_BADWHO: | |
212 | return (dgettext(TEXT_DOMAIN, "invalid user/group")); | |
213 | case EZFS_BADPERM: | |
214 | return (dgettext(TEXT_DOMAIN, "invalid permission")); | |
215 | case EZFS_BADPERMSET: | |
216 | return (dgettext(TEXT_DOMAIN, "invalid permission set name")); | |
217 | case EZFS_NODELEGATION: | |
218 | return (dgettext(TEXT_DOMAIN, "delegated administration is " | |
219 | "disabled on pool")); | |
34dc7c2f BB |
220 | case EZFS_BADCACHE: |
221 | return (dgettext(TEXT_DOMAIN, "invalid or missing cache file")); | |
222 | case EZFS_ISL2CACHE: | |
223 | return (dgettext(TEXT_DOMAIN, "device is in use as a cache")); | |
224 | case EZFS_VDEVNOTSUP: | |
225 | return (dgettext(TEXT_DOMAIN, "vdev specification is not " | |
226 | "supported")); | |
b128c09f BB |
227 | case EZFS_NOTSUP: |
228 | return (dgettext(TEXT_DOMAIN, "operation not supported " | |
229 | "on this dataset")); | |
230 | case EZFS_ACTIVE_SPARE: | |
231 | return (dgettext(TEXT_DOMAIN, "pool has active shared spare " | |
232 | "device")); | |
9babb374 BB |
233 | case EZFS_UNPLAYED_LOGS: |
234 | return (dgettext(TEXT_DOMAIN, "log device has unplayed intent " | |
235 | "logs")); | |
45d1cae3 BB |
236 | case EZFS_REFTAG_RELE: |
237 | return (dgettext(TEXT_DOMAIN, "no such tag on this dataset")); | |
238 | case EZFS_REFTAG_HOLD: | |
239 | return (dgettext(TEXT_DOMAIN, "tag already exists on this " | |
240 | "dataset")); | |
428870ff BB |
241 | case EZFS_TAGTOOLONG: |
242 | return (dgettext(TEXT_DOMAIN, "tag too long")); | |
243 | case EZFS_PIPEFAILED: | |
244 | return (dgettext(TEXT_DOMAIN, "pipe create failed")); | |
245 | case EZFS_THREADCREATEFAILED: | |
246 | return (dgettext(TEXT_DOMAIN, "thread create failed")); | |
247 | case EZFS_POSTSPLIT_ONLINE: | |
248 | return (dgettext(TEXT_DOMAIN, "disk was split from this pool " | |
249 | "into a new one")); | |
0ea05c64 AP |
250 | case EZFS_SCRUB_PAUSED: |
251 | return (dgettext(TEXT_DOMAIN, "scrub is paused; " | |
252 | "use 'zpool scrub' to resume")); | |
428870ff BB |
253 | case EZFS_SCRUBBING: |
254 | return (dgettext(TEXT_DOMAIN, "currently scrubbing; " | |
255 | "use 'zpool scrub -s' to cancel current scrub")); | |
256 | case EZFS_NO_SCRUB: | |
257 | return (dgettext(TEXT_DOMAIN, "there is no active scrub")); | |
572e2857 BB |
258 | case EZFS_DIFF: |
259 | return (dgettext(TEXT_DOMAIN, "unable to generate diffs")); | |
260 | case EZFS_DIFFDATA: | |
261 | return (dgettext(TEXT_DOMAIN, "invalid diff data")); | |
262 | case EZFS_POOLREADONLY: | |
263 | return (dgettext(TEXT_DOMAIN, "pool is read-only")); | |
a1d477c2 MA |
264 | case EZFS_NO_PENDING: |
265 | return (dgettext(TEXT_DOMAIN, "operation is not " | |
266 | "in progress")); | |
d2734cce SD |
267 | case EZFS_CHECKPOINT_EXISTS: |
268 | return (dgettext(TEXT_DOMAIN, "checkpoint exists")); | |
269 | case EZFS_DISCARDING_CHECKPOINT: | |
270 | return (dgettext(TEXT_DOMAIN, "currently discarding " | |
271 | "checkpoint")); | |
272 | case EZFS_NO_CHECKPOINT: | |
273 | return (dgettext(TEXT_DOMAIN, "checkpoint does not exist")); | |
274 | case EZFS_DEVRM_IN_PROGRESS: | |
275 | return (dgettext(TEXT_DOMAIN, "device removal in progress")); | |
276 | case EZFS_VDEV_TOO_BIG: | |
277 | return (dgettext(TEXT_DOMAIN, "device exceeds supported size")); | |
379ca9cf OF |
278 | case EZFS_ACTIVE_POOL: |
279 | return (dgettext(TEXT_DOMAIN, "pool is imported on a " | |
280 | "different host")); | |
b5256303 TC |
281 | case EZFS_CRYPTOFAILED: |
282 | return (dgettext(TEXT_DOMAIN, "encryption failure")); | |
34dc7c2f BB |
283 | case EZFS_UNKNOWN: |
284 | return (dgettext(TEXT_DOMAIN, "unknown error")); | |
285 | default: | |
286 | assert(hdl->libzfs_error == 0); | |
287 | return (dgettext(TEXT_DOMAIN, "no error")); | |
288 | } | |
289 | } | |
290 | ||
291 | /*PRINTFLIKE2*/ | |
292 | void | |
293 | zfs_error_aux(libzfs_handle_t *hdl, const char *fmt, ...) | |
294 | { | |
295 | va_list ap; | |
296 | ||
297 | va_start(ap, fmt); | |
298 | ||
299 | (void) vsnprintf(hdl->libzfs_desc, sizeof (hdl->libzfs_desc), | |
300 | fmt, ap); | |
301 | hdl->libzfs_desc_active = 1; | |
302 | ||
303 | va_end(ap); | |
304 | } | |
305 | ||
306 | static void | |
307 | zfs_verror(libzfs_handle_t *hdl, int error, const char *fmt, va_list ap) | |
308 | { | |
309 | (void) vsnprintf(hdl->libzfs_action, sizeof (hdl->libzfs_action), | |
310 | fmt, ap); | |
311 | hdl->libzfs_error = error; | |
312 | ||
313 | if (hdl->libzfs_desc_active) | |
314 | hdl->libzfs_desc_active = 0; | |
315 | else | |
316 | hdl->libzfs_desc[0] = '\0'; | |
317 | ||
318 | if (hdl->libzfs_printerr) { | |
319 | if (error == EZFS_UNKNOWN) { | |
320 | (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "internal " | |
321 | "error: %s\n"), libzfs_error_description(hdl)); | |
322 | abort(); | |
323 | } | |
324 | ||
325 | (void) fprintf(stderr, "%s: %s\n", hdl->libzfs_action, | |
326 | libzfs_error_description(hdl)); | |
327 | if (error == EZFS_NOMEM) | |
328 | exit(1); | |
329 | } | |
330 | } | |
331 | ||
332 | int | |
333 | zfs_error(libzfs_handle_t *hdl, int error, const char *msg) | |
334 | { | |
335 | return (zfs_error_fmt(hdl, error, "%s", msg)); | |
336 | } | |
337 | ||
338 | /*PRINTFLIKE3*/ | |
339 | int | |
340 | zfs_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) | |
341 | { | |
342 | va_list ap; | |
343 | ||
344 | va_start(ap, fmt); | |
345 | ||
346 | zfs_verror(hdl, error, fmt, ap); | |
347 | ||
348 | va_end(ap); | |
349 | ||
350 | return (-1); | |
351 | } | |
352 | ||
353 | static int | |
354 | zfs_common_error(libzfs_handle_t *hdl, int error, const char *fmt, | |
355 | va_list ap) | |
356 | { | |
357 | switch (error) { | |
358 | case EPERM: | |
359 | case EACCES: | |
360 | zfs_verror(hdl, EZFS_PERM, fmt, ap); | |
361 | return (-1); | |
362 | ||
363 | case ECANCELED: | |
364 | zfs_verror(hdl, EZFS_NODELEGATION, fmt, ap); | |
365 | return (-1); | |
366 | ||
367 | case EIO: | |
368 | zfs_verror(hdl, EZFS_IO, fmt, ap); | |
369 | return (-1); | |
370 | ||
428870ff BB |
371 | case EFAULT: |
372 | zfs_verror(hdl, EZFS_FAULT, fmt, ap); | |
373 | return (-1); | |
374 | ||
34dc7c2f BB |
375 | case EINTR: |
376 | zfs_verror(hdl, EZFS_INTR, fmt, ap); | |
377 | return (-1); | |
378 | } | |
379 | ||
380 | return (0); | |
381 | } | |
382 | ||
383 | int | |
384 | zfs_standard_error(libzfs_handle_t *hdl, int error, const char *msg) | |
385 | { | |
386 | return (zfs_standard_error_fmt(hdl, error, "%s", msg)); | |
387 | } | |
388 | ||
389 | /*PRINTFLIKE3*/ | |
390 | int | |
391 | zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) | |
392 | { | |
393 | va_list ap; | |
394 | ||
395 | va_start(ap, fmt); | |
396 | ||
397 | if (zfs_common_error(hdl, error, fmt, ap) != 0) { | |
398 | va_end(ap); | |
399 | return (-1); | |
400 | } | |
401 | ||
402 | switch (error) { | |
403 | case ENXIO: | |
404 | case ENODEV: | |
330d06f9 | 405 | case EPIPE: |
34dc7c2f BB |
406 | zfs_verror(hdl, EZFS_IO, fmt, ap); |
407 | break; | |
408 | ||
409 | case ENOENT: | |
410 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
411 | "dataset does not exist")); | |
412 | zfs_verror(hdl, EZFS_NOENT, fmt, ap); | |
413 | break; | |
414 | ||
415 | case ENOSPC: | |
416 | case EDQUOT: | |
417 | zfs_verror(hdl, EZFS_NOSPC, fmt, ap); | |
b264d9b3 | 418 | break; |
34dc7c2f BB |
419 | |
420 | case EEXIST: | |
421 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
422 | "dataset already exists")); | |
423 | zfs_verror(hdl, EZFS_EXISTS, fmt, ap); | |
424 | break; | |
425 | ||
426 | case EBUSY: | |
427 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
428 | "dataset is busy")); | |
429 | zfs_verror(hdl, EZFS_BUSY, fmt, ap); | |
430 | break; | |
431 | case EROFS: | |
572e2857 | 432 | zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap); |
34dc7c2f BB |
433 | break; |
434 | case ENAMETOOLONG: | |
435 | zfs_verror(hdl, EZFS_NAMETOOLONG, fmt, ap); | |
436 | break; | |
437 | case ENOTSUP: | |
438 | zfs_verror(hdl, EZFS_BADVERSION, fmt, ap); | |
439 | break; | |
9babb374 BB |
440 | case EAGAIN: |
441 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
442 | "pool I/O is currently suspended")); | |
443 | zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); | |
444 | break; | |
379ca9cf OF |
445 | case EREMOTEIO: |
446 | zfs_verror(hdl, EZFS_ACTIVE_POOL, fmt, ap); | |
447 | break; | |
34dc7c2f | 448 | default: |
428870ff | 449 | zfs_error_aux(hdl, strerror(error)); |
34dc7c2f BB |
450 | zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); |
451 | break; | |
452 | } | |
453 | ||
454 | va_end(ap); | |
455 | return (-1); | |
456 | } | |
457 | ||
458 | int | |
459 | zpool_standard_error(libzfs_handle_t *hdl, int error, const char *msg) | |
460 | { | |
461 | return (zpool_standard_error_fmt(hdl, error, "%s", msg)); | |
462 | } | |
463 | ||
464 | /*PRINTFLIKE3*/ | |
465 | int | |
466 | zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) | |
467 | { | |
468 | va_list ap; | |
469 | ||
470 | va_start(ap, fmt); | |
471 | ||
472 | if (zfs_common_error(hdl, error, fmt, ap) != 0) { | |
473 | va_end(ap); | |
474 | return (-1); | |
475 | } | |
476 | ||
477 | switch (error) { | |
478 | case ENODEV: | |
479 | zfs_verror(hdl, EZFS_NODEVICE, fmt, ap); | |
480 | break; | |
481 | ||
482 | case ENOENT: | |
483 | zfs_error_aux(hdl, | |
484 | dgettext(TEXT_DOMAIN, "no such pool or dataset")); | |
485 | zfs_verror(hdl, EZFS_NOENT, fmt, ap); | |
486 | break; | |
487 | ||
488 | case EEXIST: | |
489 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
490 | "pool already exists")); | |
491 | zfs_verror(hdl, EZFS_EXISTS, fmt, ap); | |
492 | break; | |
493 | ||
494 | case EBUSY: | |
495 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool is busy")); | |
b128c09f | 496 | zfs_verror(hdl, EZFS_BUSY, fmt, ap); |
34dc7c2f BB |
497 | break; |
498 | ||
a1d477c2 MA |
499 | /* There is no pending operation to cancel */ |
500 | case ENOTACTIVE: | |
501 | zfs_verror(hdl, EZFS_NO_PENDING, fmt, ap); | |
502 | break; | |
503 | ||
34dc7c2f BB |
504 | case ENXIO: |
505 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
506 | "one or more devices is currently unavailable")); | |
507 | zfs_verror(hdl, EZFS_BADDEV, fmt, ap); | |
508 | break; | |
509 | ||
510 | case ENAMETOOLONG: | |
511 | zfs_verror(hdl, EZFS_DEVOVERFLOW, fmt, ap); | |
512 | break; | |
513 | ||
514 | case ENOTSUP: | |
515 | zfs_verror(hdl, EZFS_POOL_NOTSUP, fmt, ap); | |
516 | break; | |
517 | ||
518 | case EINVAL: | |
519 | zfs_verror(hdl, EZFS_POOL_INVALARG, fmt, ap); | |
520 | break; | |
521 | ||
522 | case ENOSPC: | |
523 | case EDQUOT: | |
524 | zfs_verror(hdl, EZFS_NOSPC, fmt, ap); | |
525 | return (-1); | |
572e2857 | 526 | |
9babb374 BB |
527 | case EAGAIN: |
528 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
529 | "pool I/O is currently suspended")); | |
530 | zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); | |
531 | break; | |
34dc7c2f | 532 | |
572e2857 BB |
533 | case EROFS: |
534 | zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap); | |
535 | break; | |
385f9691 D |
536 | case EDOM: |
537 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
538 | "block size out of range or does not match")); | |
539 | zfs_verror(hdl, EZFS_BADPROP, fmt, ap); | |
540 | break; | |
379ca9cf OF |
541 | case EREMOTEIO: |
542 | zfs_verror(hdl, EZFS_ACTIVE_POOL, fmt, ap); | |
543 | break; | |
d2734cce SD |
544 | case ZFS_ERR_CHECKPOINT_EXISTS: |
545 | zfs_verror(hdl, EZFS_CHECKPOINT_EXISTS, fmt, ap); | |
546 | break; | |
547 | case ZFS_ERR_DISCARDING_CHECKPOINT: | |
548 | zfs_verror(hdl, EZFS_DISCARDING_CHECKPOINT, fmt, ap); | |
549 | break; | |
550 | case ZFS_ERR_NO_CHECKPOINT: | |
551 | zfs_verror(hdl, EZFS_NO_CHECKPOINT, fmt, ap); | |
552 | break; | |
553 | case ZFS_ERR_DEVRM_IN_PROGRESS: | |
554 | zfs_verror(hdl, EZFS_DEVRM_IN_PROGRESS, fmt, ap); | |
555 | break; | |
556 | case ZFS_ERR_VDEV_TOO_BIG: | |
557 | zfs_verror(hdl, EZFS_VDEV_TOO_BIG, fmt, ap); | |
558 | break; | |
34dc7c2f BB |
559 | default: |
560 | zfs_error_aux(hdl, strerror(error)); | |
561 | zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); | |
562 | } | |
563 | ||
564 | va_end(ap); | |
565 | return (-1); | |
566 | } | |
567 | ||
568 | /* | |
569 | * Display an out of memory error message and abort the current program. | |
570 | */ | |
571 | int | |
572 | no_memory(libzfs_handle_t *hdl) | |
573 | { | |
574 | return (zfs_error(hdl, EZFS_NOMEM, "internal error")); | |
575 | } | |
576 | ||
577 | /* | |
578 | * A safe form of malloc() which will die if the allocation fails. | |
579 | */ | |
580 | void * | |
581 | zfs_alloc(libzfs_handle_t *hdl, size_t size) | |
582 | { | |
583 | void *data; | |
584 | ||
585 | if ((data = calloc(1, size)) == NULL) | |
586 | (void) no_memory(hdl); | |
587 | ||
588 | return (data); | |
589 | } | |
590 | ||
572e2857 BB |
591 | /* |
592 | * A safe form of asprintf() which will die if the allocation fails. | |
593 | */ | |
594 | /*PRINTFLIKE2*/ | |
595 | char * | |
596 | zfs_asprintf(libzfs_handle_t *hdl, const char *fmt, ...) | |
597 | { | |
598 | va_list ap; | |
599 | char *ret; | |
600 | int err; | |
601 | ||
602 | va_start(ap, fmt); | |
603 | ||
604 | err = vasprintf(&ret, fmt, ap); | |
605 | ||
606 | va_end(ap); | |
607 | ||
608 | if (err < 0) | |
609 | (void) no_memory(hdl); | |
610 | ||
611 | return (ret); | |
612 | } | |
613 | ||
34dc7c2f BB |
614 | /* |
615 | * A safe form of realloc(), which also zeroes newly allocated space. | |
616 | */ | |
617 | void * | |
618 | zfs_realloc(libzfs_handle_t *hdl, void *ptr, size_t oldsize, size_t newsize) | |
619 | { | |
620 | void *ret; | |
621 | ||
622 | if ((ret = realloc(ptr, newsize)) == NULL) { | |
623 | (void) no_memory(hdl); | |
34dc7c2f BB |
624 | return (NULL); |
625 | } | |
626 | ||
627 | bzero((char *)ret + oldsize, (newsize - oldsize)); | |
628 | return (ret); | |
629 | } | |
630 | ||
631 | /* | |
632 | * A safe form of strdup() which will die if the allocation fails. | |
633 | */ | |
634 | char * | |
635 | zfs_strdup(libzfs_handle_t *hdl, const char *str) | |
636 | { | |
637 | char *ret; | |
638 | ||
639 | if ((ret = strdup(str)) == NULL) | |
640 | (void) no_memory(hdl); | |
641 | ||
642 | return (ret); | |
643 | } | |
644 | ||
645 | /* | |
646 | * Convert a number to an appropriately human-readable output. | |
647 | */ | |
648 | void | |
193a37cb TH |
649 | zfs_nicenum_format(uint64_t num, char *buf, size_t buflen, |
650 | enum zfs_nicenum_format format) | |
34dc7c2f BB |
651 | { |
652 | uint64_t n = num; | |
653 | int index = 0; | |
193a37cb TH |
654 | const char *u; |
655 | const char *units[3][7] = { | |
656 | [ZFS_NICENUM_1024] = {"", "K", "M", "G", "T", "P", "E"}, | |
e7fbeb60 | 657 | [ZFS_NICENUM_BYTES] = {"B", "K", "M", "G", "T", "P", "E"}, |
193a37cb TH |
658 | [ZFS_NICENUM_TIME] = {"ns", "us", "ms", "s", "?", "?", "?"} |
659 | }; | |
660 | ||
661 | const int units_len[] = {[ZFS_NICENUM_1024] = 6, | |
e7fbeb60 | 662 | [ZFS_NICENUM_BYTES] = 6, |
193a37cb TH |
663 | [ZFS_NICENUM_TIME] = 4}; |
664 | ||
665 | const int k_unit[] = { [ZFS_NICENUM_1024] = 1024, | |
e7fbeb60 | 666 | [ZFS_NICENUM_BYTES] = 1024, |
193a37cb TH |
667 | [ZFS_NICENUM_TIME] = 1000}; |
668 | ||
669 | double val; | |
34dc7c2f | 670 | |
193a37cb | 671 | if (format == ZFS_NICENUM_RAW) { |
02730c33 | 672 | snprintf(buf, buflen, "%llu", (u_longlong_t)num); |
193a37cb | 673 | return; |
29eb4942 TH |
674 | } else if (format == ZFS_NICENUM_RAWTIME && num > 0) { |
675 | snprintf(buf, buflen, "%llu", (u_longlong_t)num); | |
676 | return; | |
677 | } else if (format == ZFS_NICENUM_RAWTIME && num == 0) { | |
678 | snprintf(buf, buflen, "%s", "-"); | |
679 | return; | |
193a37cb TH |
680 | } |
681 | ||
193a37cb TH |
682 | while (n >= k_unit[format] && index < units_len[format]) { |
683 | n /= k_unit[format]; | |
34dc7c2f BB |
684 | index++; |
685 | } | |
686 | ||
193a37cb | 687 | u = units[format][index]; |
34dc7c2f | 688 | |
29eb4942 | 689 | /* Don't print zero latencies since they're invalid */ |
193a37cb TH |
690 | if ((format == ZFS_NICENUM_TIME) && (num == 0)) { |
691 | (void) snprintf(buf, buflen, "-"); | |
692 | } else if ((index == 0) || ((num % | |
02730c33 | 693 | (uint64_t)powl(k_unit[format], index)) == 0)) { |
34dc7c2f BB |
694 | /* |
695 | * If this is an even multiple of the base, always display | |
696 | * without any decimal precision. | |
697 | */ | |
02730c33 | 698 | (void) snprintf(buf, buflen, "%llu%s", (u_longlong_t)n, u); |
193a37cb | 699 | |
34dc7c2f BB |
700 | } else { |
701 | /* | |
702 | * We want to choose a precision that reflects the best choice | |
703 | * for fitting in 5 characters. This can get rather tricky when | |
704 | * we have numbers that are very close to an order of magnitude. | |
705 | * For example, when displaying 10239 (which is really 9.999K), | |
706 | * we want only a single place of precision for 10.0K. We could | |
707 | * develop some complex heuristics for this, but it's much | |
708 | * easier just to try each combination in turn. | |
709 | */ | |
710 | int i; | |
711 | for (i = 2; i >= 0; i--) { | |
02730c33 BB |
712 | val = (double)num / |
713 | (uint64_t)powl(k_unit[format], index); | |
193a37cb TH |
714 | |
715 | /* | |
716 | * Don't print floating point values for time. Note, | |
717 | * we use floor() instead of round() here, since | |
718 | * round can result in undesirable results. For | |
719 | * example, if "num" is in the range of | |
720 | * 999500-999999, it will print out "1000us". This | |
721 | * doesn't happen if we use floor(). | |
722 | */ | |
723 | if (format == ZFS_NICENUM_TIME) { | |
724 | if (snprintf(buf, buflen, "%d%s", | |
725 | (unsigned int) floor(val), u) <= 5) | |
726 | break; | |
727 | ||
728 | } else { | |
729 | if (snprintf(buf, buflen, "%.*f%s", i, | |
730 | val, u) <= 5) | |
731 | break; | |
732 | } | |
34dc7c2f BB |
733 | } |
734 | } | |
735 | } | |
736 | ||
193a37cb TH |
737 | /* |
738 | * Convert a number to an appropriately human-readable output. | |
739 | */ | |
740 | void | |
741 | zfs_nicenum(uint64_t num, char *buf, size_t buflen) | |
742 | { | |
743 | zfs_nicenum_format(num, buf, buflen, ZFS_NICENUM_1024); | |
744 | } | |
745 | ||
746 | /* | |
747 | * Convert a time to an appropriately human-readable output. | |
748 | * @num: Time in nanoseconds | |
749 | */ | |
750 | void | |
751 | zfs_nicetime(uint64_t num, char *buf, size_t buflen) | |
752 | { | |
753 | zfs_nicenum_format(num, buf, buflen, ZFS_NICENUM_TIME); | |
754 | } | |
755 | ||
756 | /* | |
757 | * Print out a raw number with correct column spacing | |
758 | */ | |
759 | void | |
760 | zfs_niceraw(uint64_t num, char *buf, size_t buflen) | |
761 | { | |
762 | zfs_nicenum_format(num, buf, buflen, ZFS_NICENUM_RAW); | |
763 | } | |
764 | ||
e7fbeb60 | 765 | /* |
766 | * Convert a number of bytes to an appropriately human-readable output. | |
767 | */ | |
768 | void | |
769 | zfs_nicebytes(uint64_t num, char *buf, size_t buflen) | |
770 | { | |
771 | zfs_nicenum_format(num, buf, buflen, ZFS_NICENUM_BYTES); | |
772 | } | |
193a37cb | 773 | |
34dc7c2f BB |
774 | void |
775 | libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr) | |
776 | { | |
777 | hdl->libzfs_printerr = printerr; | |
778 | } | |
779 | ||
4b1abce9 NB |
780 | static int |
781 | libzfs_module_loaded(const char *module) | |
782 | { | |
f09398ce ED |
783 | const char path_prefix[] = "/sys/module/"; |
784 | char path[256]; | |
785 | ||
d1d7e268 MK |
786 | memcpy(path, path_prefix, sizeof (path_prefix) - 1); |
787 | strcpy(path + sizeof (path_prefix) - 1, module); | |
4b1abce9 | 788 | |
f09398ce | 789 | return (access(path, F_OK) == 0); |
4b1abce9 NB |
790 | } |
791 | ||
d6418de0 TH |
792 | |
793 | /* | |
794 | * Read lines from an open file descriptor and store them in an array of | |
795 | * strings until EOF. lines[] will be allocated and populated with all the | |
796 | * lines read. All newlines are replaced with NULL terminators for | |
797 | * convenience. lines[] must be freed after use with libzfs_free_str_array(). | |
798 | * | |
799 | * Returns the number of lines read. | |
800 | */ | |
801 | static int | |
802 | libzfs_read_stdout_from_fd(int fd, char **lines[]) | |
803 | { | |
804 | ||
805 | FILE *fp; | |
806 | int lines_cnt = 0; | |
807 | size_t len = 0; | |
808 | char *line = NULL; | |
809 | char **tmp_lines = NULL, **tmp; | |
810 | char *nl = NULL; | |
811 | int rc; | |
812 | ||
813 | fp = fdopen(fd, "r"); | |
814 | if (fp == NULL) | |
815 | return (0); | |
816 | while (1) { | |
817 | rc = getline(&line, &len, fp); | |
818 | if (rc == -1) | |
819 | break; | |
820 | ||
821 | tmp = realloc(tmp_lines, sizeof (*tmp_lines) * (lines_cnt + 1)); | |
822 | if (tmp == NULL) { | |
823 | /* Return the lines we were able to process */ | |
824 | break; | |
825 | } | |
826 | tmp_lines = tmp; | |
827 | ||
828 | /* Terminate newlines */ | |
829 | if ((nl = strchr(line, '\n')) != NULL) | |
830 | *nl = '\0'; | |
831 | tmp_lines[lines_cnt] = line; | |
832 | lines_cnt++; | |
833 | line = NULL; | |
834 | } | |
835 | fclose(fp); | |
836 | *lines = tmp_lines; | |
837 | return (lines_cnt); | |
838 | } | |
839 | ||
840 | static int | |
841 | libzfs_run_process_impl(const char *path, char *argv[], char *env[], int flags, | |
842 | char **lines[], int *lines_cnt) | |
4b1abce9 NB |
843 | { |
844 | pid_t pid; | |
65037d9b | 845 | int error, devnull_fd; |
d6418de0 TH |
846 | int link[2]; |
847 | ||
848 | /* | |
849 | * Setup a pipe between our child and parent process if we're | |
850 | * reading stdout. | |
851 | */ | |
852 | if ((lines != NULL) && pipe(link) == -1) | |
853 | return (-ESTRPIPE); | |
4b1abce9 NB |
854 | |
855 | pid = vfork(); | |
856 | if (pid == 0) { | |
d6418de0 | 857 | /* Child process */ |
3132cb39 GB |
858 | devnull_fd = open("/dev/null", O_WRONLY); |
859 | ||
860 | if (devnull_fd < 0) | |
861 | _exit(-1); | |
862 | ||
d6418de0 | 863 | if (!(flags & STDOUT_VERBOSE) && (lines == NULL)) |
3132cb39 | 864 | (void) dup2(devnull_fd, STDOUT_FILENO); |
d6418de0 TH |
865 | else if (lines != NULL) { |
866 | /* Save the output to lines[] */ | |
867 | dup2(link[1], STDOUT_FILENO); | |
868 | close(link[0]); | |
869 | close(link[1]); | |
870 | } | |
9ac97c2a BB |
871 | |
872 | if (!(flags & STDERR_VERBOSE)) | |
3132cb39 GB |
873 | (void) dup2(devnull_fd, STDERR_FILENO); |
874 | ||
875 | close(devnull_fd); | |
9ac97c2a | 876 | |
d6418de0 TH |
877 | if (flags & NO_DEFAULT_PATH) { |
878 | if (env == NULL) | |
879 | execv(path, argv); | |
880 | else | |
881 | execve(path, argv, env); | |
882 | } else { | |
883 | if (env == NULL) | |
884 | execvp(path, argv); | |
885 | else | |
886 | execvpe(path, argv, env); | |
887 | } | |
888 | ||
4b1abce9 NB |
889 | _exit(-1); |
890 | } else if (pid > 0) { | |
d6418de0 | 891 | /* Parent process */ |
4b1abce9 NB |
892 | int status; |
893 | ||
65037d9b | 894 | while ((error = waitpid(pid, &status, 0)) == -1 && |
02730c33 | 895 | errno == EINTR) { } |
65037d9b | 896 | if (error < 0 || !WIFEXITED(status)) |
d1d7e268 | 897 | return (-1); |
4b1abce9 | 898 | |
d6418de0 TH |
899 | if (lines != NULL) { |
900 | close(link[1]); | |
901 | *lines_cnt = libzfs_read_stdout_from_fd(link[0], lines); | |
902 | } | |
d1d7e268 | 903 | return (WEXITSTATUS(status)); |
4b1abce9 NB |
904 | } |
905 | ||
d1d7e268 | 906 | return (-1); |
4b1abce9 NB |
907 | } |
908 | ||
d6418de0 TH |
909 | int |
910 | libzfs_run_process(const char *path, char *argv[], int flags) | |
911 | { | |
912 | return (libzfs_run_process_impl(path, argv, NULL, flags, NULL, NULL)); | |
913 | } | |
914 | ||
915 | /* | |
916 | * Run a command and store its stdout lines in an array of strings (lines[]). | |
917 | * lines[] is allocated and populated for you, and the number of lines is set in | |
918 | * lines_cnt. lines[] must be freed after use with libzfs_free_str_array(). | |
919 | * All newlines (\n) in lines[] are terminated for convenience. | |
920 | */ | |
921 | int | |
922 | libzfs_run_process_get_stdout(const char *path, char *argv[], char *env[], | |
923 | char **lines[], int *lines_cnt) | |
924 | { | |
925 | return (libzfs_run_process_impl(path, argv, env, 0, lines, lines_cnt)); | |
926 | } | |
927 | ||
928 | /* | |
929 | * Same as libzfs_run_process_get_stdout(), but run without $PATH set. This | |
930 | * means that *path needs to be the full path to the executable. | |
931 | */ | |
932 | int | |
933 | libzfs_run_process_get_stdout_nopath(const char *path, char *argv[], | |
934 | char *env[], char **lines[], int *lines_cnt) | |
935 | { | |
936 | return (libzfs_run_process_impl(path, argv, env, NO_DEFAULT_PATH, | |
937 | lines, lines_cnt)); | |
938 | } | |
939 | ||
940 | /* | |
941 | * Free an array of strings. Free both the strings contained in the array and | |
942 | * the array itself. | |
943 | */ | |
944 | void | |
945 | libzfs_free_str_array(char **strs, int count) | |
946 | { | |
947 | while (--count >= 0) | |
948 | free(strs[count]); | |
949 | ||
950 | free(strs); | |
951 | } | |
952 | ||
953 | /* | |
954 | * Returns 1 if environment variable is set to "YES", "yes", "ON", "on", or | |
955 | * a non-zero number. | |
956 | * | |
957 | * Returns 0 otherwise. | |
958 | */ | |
959 | int | |
960 | libzfs_envvar_is_set(char *envvar) | |
961 | { | |
962 | char *env = getenv(envvar); | |
963 | if (env && (strtoul(env, NULL, 0) > 0 || | |
964 | (!strncasecmp(env, "YES", 3) && strnlen(env, 4) == 3) || | |
965 | (!strncasecmp(env, "ON", 2) && strnlen(env, 3) == 2))) | |
966 | return (1); | |
967 | ||
968 | return (0); | |
969 | } | |
970 | ||
87abfcba BB |
971 | /* |
972 | * Verify the required ZFS_DEV device is available and optionally attempt | |
973 | * to load the ZFS modules. Under normal circumstances the modules | |
974 | * should already have been loaded by some external mechanism. | |
975 | * | |
976 | * Environment variables: | |
977 | * - ZFS_MODULE_LOADING="YES|yes|ON|on" - Attempt to load modules. | |
978 | * - ZFS_MODULE_TIMEOUT="<seconds>" - Seconds to wait for ZFS_DEV | |
979 | */ | |
65037d9b | 980 | static int |
4b1abce9 NB |
981 | libzfs_load_module(const char *module) |
982 | { | |
983 | char *argv[4] = {"/sbin/modprobe", "-q", (char *)module, (char *)0}; | |
87abfcba BB |
984 | char *load_str, *timeout_str; |
985 | long timeout = 10; /* seconds */ | |
986 | long busy_timeout = 10; /* milliseconds */ | |
987 | int load = 0, fd; | |
988 | hrtime_t start; | |
989 | ||
990 | /* Optionally request module loading */ | |
991 | if (!libzfs_module_loaded(module)) { | |
992 | load_str = getenv("ZFS_MODULE_LOADING"); | |
993 | if (load_str) { | |
994 | if (!strncasecmp(load_str, "YES", strlen("YES")) || | |
995 | !strncasecmp(load_str, "ON", strlen("ON"))) | |
996 | load = 1; | |
997 | else | |
998 | load = 0; | |
999 | } | |
4b1abce9 | 1000 | |
a6cc9756 BB |
1001 | if (load) { |
1002 | if (libzfs_run_process("/sbin/modprobe", argv, 0)) | |
1003 | return (ENOEXEC); | |
87abfcba | 1004 | |
a6cc9756 BB |
1005 | if (!libzfs_module_loaded(module)) |
1006 | return (ENXIO); | |
1007 | } | |
1008 | } | |
87abfcba BB |
1009 | |
1010 | /* | |
1011 | * Device creation by udev is asynchronous and waiting may be | |
1012 | * required. Busy wait for 10ms and then fall back to polling every | |
1013 | * 10ms for the allowed timeout (default 10s, max 10m). This is | |
1014 | * done to optimize for the common case where the device is | |
1015 | * immediately available and to avoid penalizing the possible | |
1016 | * case where udev is slow or unable to create the device. | |
1017 | */ | |
1018 | timeout_str = getenv("ZFS_MODULE_TIMEOUT"); | |
1019 | if (timeout_str) { | |
1020 | timeout = strtol(timeout_str, NULL, 0); | |
1021 | timeout = MAX(MIN(timeout, (10 * 60)), 0); /* 0 <= N <= 600 */ | |
1022 | } | |
1023 | ||
1024 | start = gethrtime(); | |
1025 | do { | |
1026 | fd = open(ZFS_DEV, O_RDWR); | |
1027 | if (fd >= 0) { | |
1028 | (void) close(fd); | |
1029 | return (0); | |
1030 | } else if (errno != ENOENT) { | |
1031 | return (errno); | |
1032 | } else if (NSEC2MSEC(gethrtime() - start) < busy_timeout) { | |
1033 | sched_yield(); | |
1034 | } else { | |
1035 | usleep(10 * MILLISEC); | |
1036 | } | |
1037 | } while (NSEC2MSEC(gethrtime() - start) < (timeout * MILLISEC)); | |
feb46b92 | 1038 | |
87abfcba | 1039 | return (ENOENT); |
4b1abce9 NB |
1040 | } |
1041 | ||
34dc7c2f BB |
1042 | libzfs_handle_t * |
1043 | libzfs_init(void) | |
1044 | { | |
1045 | libzfs_handle_t *hdl; | |
87abfcba | 1046 | int error; |
34dc7c2f | 1047 | |
87abfcba BB |
1048 | error = libzfs_load_module(ZFS_DRIVER); |
1049 | if (error) { | |
65037d9b | 1050 | errno = error; |
4b1abce9 NB |
1051 | return (NULL); |
1052 | } | |
1053 | ||
572e2857 | 1054 | if ((hdl = calloc(1, sizeof (libzfs_handle_t))) == NULL) { |
34dc7c2f BB |
1055 | return (NULL); |
1056 | } | |
1057 | ||
1058 | if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) { | |
1059 | free(hdl); | |
1060 | return (NULL); | |
1061 | } | |
1062 | ||
2eadf037 BB |
1063 | #ifdef HAVE_SETMNTENT |
1064 | if ((hdl->libzfs_mnttab = setmntent(MNTTAB, "r")) == NULL) { | |
1065 | #else | |
34dc7c2f | 1066 | if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) { |
2eadf037 | 1067 | #endif |
34dc7c2f BB |
1068 | (void) close(hdl->libzfs_fd); |
1069 | free(hdl); | |
1070 | return (NULL); | |
1071 | } | |
1072 | ||
2bac6814 | 1073 | hdl->libzfs_sharetab = fopen(ZFS_SHARETAB, "r"); |
34dc7c2f | 1074 | |
6f1ffb06 MA |
1075 | if (libzfs_core_init() != 0) { |
1076 | (void) close(hdl->libzfs_fd); | |
1077 | (void) fclose(hdl->libzfs_mnttab); | |
2bac6814 | 1078 | if (hdl->libzfs_sharetab) |
1079 | (void) fclose(hdl->libzfs_sharetab); | |
6f1ffb06 MA |
1080 | free(hdl); |
1081 | return (NULL); | |
1082 | } | |
1083 | ||
34dc7c2f BB |
1084 | zfs_prop_init(); |
1085 | zpool_prop_init(); | |
9ae529ec | 1086 | zpool_feature_init(); |
9babb374 | 1087 | libzfs_mnttab_init(hdl); |
dc03fa30 | 1088 | fletcher_4_init(); |
34dc7c2f | 1089 | |
d99a0153 CW |
1090 | if (getenv("ZFS_PROP_DEBUG") != NULL) { |
1091 | hdl->libzfs_prop_debug = B_TRUE; | |
1092 | } | |
1093 | ||
e8bcb693 DB |
1094 | /* |
1095 | * For testing, remove some settable properties and features | |
1096 | */ | |
1097 | if (libzfs_envvar_is_set("ZFS_SYSFS_PROP_SUPPORT_TEST")) { | |
1098 | zprop_desc_t *proptbl; | |
1099 | ||
1100 | proptbl = zpool_prop_get_table(); | |
1101 | proptbl[ZPOOL_PROP_COMMENT].pd_zfs_mod_supported = B_FALSE; | |
1102 | ||
1103 | proptbl = zfs_prop_get_table(); | |
1104 | proptbl[ZFS_PROP_DNODESIZE].pd_zfs_mod_supported = B_FALSE; | |
1105 | ||
1106 | zfeature_info_t *ftbl = spa_feature_table; | |
1107 | ftbl[SPA_FEATURE_LARGE_BLOCKS].fi_zfs_mod_supported = B_FALSE; | |
1108 | } | |
1109 | ||
34dc7c2f BB |
1110 | return (hdl); |
1111 | } | |
1112 | ||
1113 | void | |
1114 | libzfs_fini(libzfs_handle_t *hdl) | |
1115 | { | |
1116 | (void) close(hdl->libzfs_fd); | |
1117 | if (hdl->libzfs_mnttab) | |
2eadf037 BB |
1118 | #ifdef HAVE_SETMNTENT |
1119 | (void) endmntent(hdl->libzfs_mnttab); | |
1120 | #else | |
34dc7c2f | 1121 | (void) fclose(hdl->libzfs_mnttab); |
2eadf037 | 1122 | #endif |
34dc7c2f BB |
1123 | if (hdl->libzfs_sharetab) |
1124 | (void) fclose(hdl->libzfs_sharetab); | |
1125 | zfs_uninit_libshare(hdl); | |
b128c09f | 1126 | zpool_free_handles(hdl); |
34dc7c2f | 1127 | namespace_clear(hdl); |
9babb374 | 1128 | libzfs_mnttab_fini(hdl); |
6f1ffb06 | 1129 | libzfs_core_fini(); |
dc03fa30 | 1130 | fletcher_4_fini(); |
34dc7c2f BB |
1131 | free(hdl); |
1132 | } | |
1133 | ||
1134 | libzfs_handle_t * | |
1135 | zpool_get_handle(zpool_handle_t *zhp) | |
1136 | { | |
1137 | return (zhp->zpool_hdl); | |
1138 | } | |
1139 | ||
1140 | libzfs_handle_t * | |
1141 | zfs_get_handle(zfs_handle_t *zhp) | |
1142 | { | |
1143 | return (zhp->zfs_hdl); | |
1144 | } | |
1145 | ||
b128c09f BB |
1146 | zpool_handle_t * |
1147 | zfs_get_pool_handle(const zfs_handle_t *zhp) | |
1148 | { | |
1149 | return (zhp->zpool_hdl); | |
1150 | } | |
1151 | ||
34dc7c2f BB |
1152 | /* |
1153 | * Given a name, determine whether or not it's a valid path | |
1154 | * (starts with '/' or "./"). If so, walk the mnttab trying | |
1155 | * to match the device number. If not, treat the path as an | |
aeacdefe | 1156 | * fs/vol/snap/bkmark name. |
34dc7c2f BB |
1157 | */ |
1158 | zfs_handle_t * | |
1159 | zfs_path_to_zhandle(libzfs_handle_t *hdl, char *path, zfs_type_t argtype) | |
1160 | { | |
1161 | struct stat64 statbuf; | |
1162 | struct extmnttab entry; | |
1163 | int ret; | |
1164 | ||
1165 | if (path[0] != '/' && strncmp(path, "./", strlen("./")) != 0) { | |
1166 | /* | |
1167 | * It's not a valid path, assume it's a name of type 'argtype'. | |
1168 | */ | |
1169 | return (zfs_open(hdl, path, argtype)); | |
1170 | } | |
1171 | ||
1172 | if (stat64(path, &statbuf) != 0) { | |
1173 | (void) fprintf(stderr, "%s: %s\n", path, strerror(errno)); | |
1174 | return (NULL); | |
1175 | } | |
1176 | ||
cbca6076 JL |
1177 | /* Reopen MNTTAB to prevent reading stale data from open file */ |
1178 | if (freopen(MNTTAB, "r", hdl->libzfs_mnttab) == NULL) | |
1179 | return (NULL); | |
1180 | ||
34dc7c2f BB |
1181 | while ((ret = getextmntent(hdl->libzfs_mnttab, &entry, 0)) == 0) { |
1182 | if (makedevice(entry.mnt_major, entry.mnt_minor) == | |
1183 | statbuf.st_dev) { | |
1184 | break; | |
1185 | } | |
1186 | } | |
1187 | if (ret != 0) { | |
1188 | return (NULL); | |
1189 | } | |
1190 | ||
1191 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { | |
1192 | (void) fprintf(stderr, gettext("'%s': not a ZFS filesystem\n"), | |
1193 | path); | |
1194 | return (NULL); | |
1195 | } | |
1196 | ||
1197 | return (zfs_open(hdl, entry.mnt_special, ZFS_TYPE_FILESYSTEM)); | |
1198 | } | |
1199 | ||
79e7242a | 1200 | /* |
eac47204 BB |
1201 | * Append partition suffix to an otherwise fully qualified device path. |
1202 | * This is used to generate the name the full path as its stored in | |
1203 | * ZPOOL_CONFIG_PATH for whole disk devices. On success the new length | |
1204 | * of 'path' will be returned on error a negative value is returned. | |
79e7242a NB |
1205 | */ |
1206 | int | |
eac47204 BB |
1207 | zfs_append_partition(char *path, size_t max_len) |
1208 | { | |
1209 | int len = strlen(path); | |
1210 | ||
6bb24f4d BB |
1211 | if ((strncmp(path, UDISK_ROOT, strlen(UDISK_ROOT)) == 0) || |
1212 | (strncmp(path, ZVOL_ROOT, strlen(ZVOL_ROOT)) == 0)) { | |
eac47204 BB |
1213 | if (len + 6 >= max_len) |
1214 | return (-1); | |
1215 | ||
1216 | (void) strcat(path, "-part1"); | |
1217 | len += 6; | |
1218 | } else { | |
1219 | if (len + 2 >= max_len) | |
1220 | return (-1); | |
1221 | ||
1222 | if (isdigit(path[len-1])) { | |
1223 | (void) strcat(path, "p1"); | |
1224 | len += 2; | |
1225 | } else { | |
1226 | (void) strcat(path, "1"); | |
1227 | len += 1; | |
1228 | } | |
79e7242a | 1229 | } |
b04c9fc0 | 1230 | |
eac47204 | 1231 | return (len); |
79e7242a NB |
1232 | } |
1233 | ||
1234 | /* | |
eac47204 BB |
1235 | * Given a shorthand device name check if a file by that name exists in any |
1236 | * of the 'zpool_default_import_path' or ZPOOL_IMPORT_PATH directories. If | |
1237 | * one is found, store its fully qualified path in the 'path' buffer passed | |
1238 | * by the caller and return 0, otherwise return an error. | |
79e7242a | 1239 | */ |
eac47204 BB |
1240 | int |
1241 | zfs_resolve_shortname(const char *name, char *path, size_t len) | |
79e7242a | 1242 | { |
eac47204 BB |
1243 | int i, error = -1; |
1244 | char *dir, *env, *envdup; | |
1245 | ||
1246 | env = getenv("ZPOOL_IMPORT_PATH"); | |
1247 | errno = ENOENT; | |
1248 | ||
1249 | if (env) { | |
1250 | envdup = strdup(env); | |
1251 | dir = strtok(envdup, ":"); | |
1252 | while (dir && error) { | |
1253 | (void) snprintf(path, len, "%s/%s", dir, name); | |
1254 | error = access(path, F_OK); | |
1255 | dir = strtok(NULL, ":"); | |
1256 | } | |
1257 | free(envdup); | |
1258 | } else { | |
1259 | for (i = 0; i < DEFAULT_IMPORT_PATH_SIZE && error < 0; i++) { | |
1260 | (void) snprintf(path, len, "%s/%s", | |
1261 | zpool_default_import_path[i], name); | |
1262 | error = access(path, F_OK); | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | return (error ? ENOENT : 0); | |
1267 | } | |
1268 | ||
1269 | /* | |
1270 | * Given a shorthand device name look for a match against 'cmp_name'. This | |
1271 | * is done by checking all prefix expansions using either the default | |
1272 | * 'zpool_default_import_paths' or the ZPOOL_IMPORT_PATH environment | |
1273 | * variable. Proper partition suffixes will be appended if this is a | |
1274 | * whole disk. When a match is found 0 is returned otherwise ENOENT. | |
1275 | */ | |
1276 | static int | |
1277 | zfs_strcmp_shortname(char *name, char *cmp_name, int wholedisk) | |
1278 | { | |
1279 | int path_len, cmp_len, i = 0, error = ENOENT; | |
1280 | char *dir, *env, *envdup = NULL; | |
1281 | char path_name[MAXPATHLEN]; | |
1282 | ||
1283 | cmp_len = strlen(cmp_name); | |
1284 | env = getenv("ZPOOL_IMPORT_PATH"); | |
1285 | ||
1286 | if (env) { | |
1287 | envdup = strdup(env); | |
1288 | dir = strtok(envdup, ":"); | |
1289 | } else { | |
1290 | dir = zpool_default_import_path[i]; | |
1291 | } | |
1292 | ||
1293 | while (dir) { | |
1294 | /* Trim trailing directory slashes from ZPOOL_IMPORT_PATH */ | |
1295 | while (dir[strlen(dir)-1] == '/') | |
1296 | dir[strlen(dir)-1] = '\0'; | |
1297 | ||
1298 | path_len = snprintf(path_name, MAXPATHLEN, "%s/%s", dir, name); | |
1299 | if (wholedisk) | |
1300 | path_len = zfs_append_partition(path_name, MAXPATHLEN); | |
1301 | ||
d1d7e268 | 1302 | if ((path_len == cmp_len) && strcmp(path_name, cmp_name) == 0) { |
eac47204 BB |
1303 | error = 0; |
1304 | break; | |
1305 | } | |
1306 | ||
1307 | if (env) { | |
1308 | dir = strtok(NULL, ":"); | |
1309 | } else if (++i < DEFAULT_IMPORT_PATH_SIZE) { | |
1310 | dir = zpool_default_import_path[i]; | |
1311 | } else { | |
1312 | dir = NULL; | |
1313 | } | |
1314 | } | |
1315 | ||
1316 | if (env) | |
1317 | free(envdup); | |
1318 | ||
1319 | return (error); | |
1320 | } | |
1321 | ||
1322 | /* | |
1323 | * Given either a shorthand or fully qualified path name look for a match | |
1324 | * against 'cmp'. The passed name will be expanded as needed for comparison | |
1325 | * purposes and redundant slashes stripped to ensure an accurate match. | |
1326 | */ | |
1327 | int | |
1328 | zfs_strcmp_pathname(char *name, char *cmp, int wholedisk) | |
1329 | { | |
1330 | int path_len, cmp_len; | |
1331 | char path_name[MAXPATHLEN]; | |
1332 | char cmp_name[MAXPATHLEN]; | |
eea93094 | 1333 | char *dir, *dup; |
eac47204 BB |
1334 | |
1335 | /* Strip redundant slashes if one exists due to ZPOOL_IMPORT_PATH */ | |
1336 | memset(cmp_name, 0, MAXPATHLEN); | |
eea93094 BB |
1337 | dup = strdup(cmp); |
1338 | dir = strtok(dup, "/"); | |
eac47204 | 1339 | while (dir) { |
0b78aeae B |
1340 | strlcat(cmp_name, "/", sizeof (cmp_name)); |
1341 | strlcat(cmp_name, dir, sizeof (cmp_name)); | |
eac47204 BB |
1342 | dir = strtok(NULL, "/"); |
1343 | } | |
eea93094 | 1344 | free(dup); |
eac47204 BB |
1345 | |
1346 | if (name[0] != '/') | |
d1d7e268 | 1347 | return (zfs_strcmp_shortname(name, cmp_name, wholedisk)); |
eac47204 | 1348 | |
928ee9fe | 1349 | (void) strlcpy(path_name, name, MAXPATHLEN); |
eac47204 BB |
1350 | path_len = strlen(path_name); |
1351 | cmp_len = strlen(cmp_name); | |
1352 | ||
1353 | if (wholedisk) { | |
1354 | path_len = zfs_append_partition(path_name, MAXPATHLEN); | |
1355 | if (path_len == -1) | |
1356 | return (ENOMEM); | |
1357 | } | |
1358 | ||
1359 | if ((path_len != cmp_len) || strcmp(path_name, cmp_name)) | |
1360 | return (ENOENT); | |
1361 | ||
1362 | return (0); | |
79e7242a NB |
1363 | } |
1364 | ||
83bf769d BB |
1365 | /* |
1366 | * Given a full path to a device determine if that device appears in the | |
1367 | * import search path. If it does return the first match and store the | |
1368 | * index in the passed 'order' variable, otherwise return an error. | |
1369 | */ | |
1370 | int | |
1371 | zfs_path_order(char *name, int *order) | |
1372 | { | |
1373 | int i = 0, error = ENOENT; | |
1374 | char *dir, *env, *envdup; | |
1375 | ||
1376 | env = getenv("ZPOOL_IMPORT_PATH"); | |
1377 | if (env) { | |
1378 | envdup = strdup(env); | |
1379 | dir = strtok(envdup, ":"); | |
1380 | while (dir) { | |
1381 | if (strncmp(name, dir, strlen(dir)) == 0) { | |
1382 | *order = i; | |
1383 | error = 0; | |
1384 | break; | |
1385 | } | |
1386 | dir = strtok(NULL, ":"); | |
1387 | i++; | |
1388 | } | |
1389 | free(envdup); | |
1390 | } else { | |
1391 | for (i = 0; i < DEFAULT_IMPORT_PATH_SIZE; i++) { | |
1392 | if (strncmp(name, zpool_default_import_path[i], | |
1393 | strlen(zpool_default_import_path[i])) == 0) { | |
1394 | *order = i; | |
1395 | error = 0; | |
1396 | break; | |
1397 | } | |
1398 | } | |
1399 | } | |
1400 | ||
1401 | return (error); | |
1402 | } | |
1403 | ||
34dc7c2f BB |
1404 | /* |
1405 | * Initialize the zc_nvlist_dst member to prepare for receiving an nvlist from | |
1406 | * an ioctl(). | |
1407 | */ | |
1408 | int | |
1409 | zcmd_alloc_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, size_t len) | |
1410 | { | |
1411 | if (len == 0) | |
572e2857 | 1412 | len = 16 * 1024; |
34dc7c2f | 1413 | zc->zc_nvlist_dst_size = len; |
23de906c CW |
1414 | zc->zc_nvlist_dst = |
1415 | (uint64_t)(uintptr_t)zfs_alloc(hdl, zc->zc_nvlist_dst_size); | |
1416 | if (zc->zc_nvlist_dst == 0) | |
34dc7c2f BB |
1417 | return (-1); |
1418 | ||
1419 | return (0); | |
1420 | } | |
1421 | ||
1422 | /* | |
1423 | * Called when an ioctl() which returns an nvlist fails with ENOMEM. This will | |
1424 | * expand the nvlist to the size specified in 'zc_nvlist_dst_size', which was | |
1425 | * filled in by the kernel to indicate the actual required size. | |
1426 | */ | |
1427 | int | |
1428 | zcmd_expand_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc) | |
1429 | { | |
1430 | free((void *)(uintptr_t)zc->zc_nvlist_dst); | |
23de906c CW |
1431 | zc->zc_nvlist_dst = |
1432 | (uint64_t)(uintptr_t)zfs_alloc(hdl, zc->zc_nvlist_dst_size); | |
1433 | if (zc->zc_nvlist_dst == 0) | |
34dc7c2f BB |
1434 | return (-1); |
1435 | ||
1436 | return (0); | |
1437 | } | |
1438 | ||
1439 | /* | |
1440 | * Called to free the src and dst nvlists stored in the command structure. | |
1441 | */ | |
1442 | void | |
1443 | zcmd_free_nvlists(zfs_cmd_t *zc) | |
1444 | { | |
1445 | free((void *)(uintptr_t)zc->zc_nvlist_conf); | |
1446 | free((void *)(uintptr_t)zc->zc_nvlist_src); | |
1447 | free((void *)(uintptr_t)zc->zc_nvlist_dst); | |
23de906c CW |
1448 | zc->zc_nvlist_conf = 0; |
1449 | zc->zc_nvlist_src = 0; | |
1450 | zc->zc_nvlist_dst = 0; | |
34dc7c2f BB |
1451 | } |
1452 | ||
1453 | static int | |
1454 | zcmd_write_nvlist_com(libzfs_handle_t *hdl, uint64_t *outnv, uint64_t *outlen, | |
1455 | nvlist_t *nvl) | |
1456 | { | |
1457 | char *packed; | |
1458 | size_t len; | |
1459 | ||
1460 | verify(nvlist_size(nvl, &len, NV_ENCODE_NATIVE) == 0); | |
1461 | ||
1462 | if ((packed = zfs_alloc(hdl, len)) == NULL) | |
1463 | return (-1); | |
1464 | ||
1465 | verify(nvlist_pack(nvl, &packed, &len, NV_ENCODE_NATIVE, 0) == 0); | |
1466 | ||
1467 | *outnv = (uint64_t)(uintptr_t)packed; | |
1468 | *outlen = len; | |
1469 | ||
1470 | return (0); | |
1471 | } | |
1472 | ||
1473 | int | |
1474 | zcmd_write_conf_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) | |
1475 | { | |
1476 | return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_conf, | |
1477 | &zc->zc_nvlist_conf_size, nvl)); | |
1478 | } | |
1479 | ||
1480 | int | |
1481 | zcmd_write_src_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) | |
1482 | { | |
1483 | return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_src, | |
1484 | &zc->zc_nvlist_src_size, nvl)); | |
1485 | } | |
1486 | ||
1487 | /* | |
1488 | * Unpacks an nvlist from the ZFS ioctl command structure. | |
1489 | */ | |
1490 | int | |
1491 | zcmd_read_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t **nvlp) | |
1492 | { | |
1493 | if (nvlist_unpack((void *)(uintptr_t)zc->zc_nvlist_dst, | |
1494 | zc->zc_nvlist_dst_size, nvlp, 0) != 0) | |
1495 | return (no_memory(hdl)); | |
1496 | ||
1497 | return (0); | |
1498 | } | |
1499 | ||
1500 | int | |
1501 | zfs_ioctl(libzfs_handle_t *hdl, int request, zfs_cmd_t *zc) | |
1502 | { | |
6f1ffb06 | 1503 | return (ioctl(hdl->libzfs_fd, request, zc)); |
34dc7c2f BB |
1504 | } |
1505 | ||
1506 | /* | |
1507 | * ================================================================ | |
1508 | * API shared by zfs and zpool property management | |
1509 | * ================================================================ | |
1510 | */ | |
1511 | ||
1512 | static void | |
1513 | zprop_print_headers(zprop_get_cbdata_t *cbp, zfs_type_t type) | |
1514 | { | |
1515 | zprop_list_t *pl = cbp->cb_proplist; | |
1516 | int i; | |
1517 | char *title; | |
1518 | size_t len; | |
1519 | ||
1520 | cbp->cb_first = B_FALSE; | |
1521 | if (cbp->cb_scripted) | |
1522 | return; | |
1523 | ||
1524 | /* | |
1525 | * Start with the length of the column headers. | |
1526 | */ | |
1527 | cbp->cb_colwidths[GET_COL_NAME] = strlen(dgettext(TEXT_DOMAIN, "NAME")); | |
1528 | cbp->cb_colwidths[GET_COL_PROPERTY] = strlen(dgettext(TEXT_DOMAIN, | |
1529 | "PROPERTY")); | |
1530 | cbp->cb_colwidths[GET_COL_VALUE] = strlen(dgettext(TEXT_DOMAIN, | |
1531 | "VALUE")); | |
428870ff BB |
1532 | cbp->cb_colwidths[GET_COL_RECVD] = strlen(dgettext(TEXT_DOMAIN, |
1533 | "RECEIVED")); | |
34dc7c2f BB |
1534 | cbp->cb_colwidths[GET_COL_SOURCE] = strlen(dgettext(TEXT_DOMAIN, |
1535 | "SOURCE")); | |
1536 | ||
fb5f0bc8 BB |
1537 | /* first property is always NAME */ |
1538 | assert(cbp->cb_proplist->pl_prop == | |
1539 | ((type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : ZFS_PROP_NAME)); | |
1540 | ||
34dc7c2f BB |
1541 | /* |
1542 | * Go through and calculate the widths for each column. For the | |
1543 | * 'source' column, we kludge it up by taking the worst-case scenario of | |
1544 | * inheriting from the longest name. This is acceptable because in the | |
1545 | * majority of cases 'SOURCE' is the last column displayed, and we don't | |
1546 | * use the width anyway. Note that the 'VALUE' column can be oversized, | |
428870ff | 1547 | * if the name of the property is much longer than any values we find. |
34dc7c2f BB |
1548 | */ |
1549 | for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { | |
1550 | /* | |
1551 | * 'PROPERTY' column | |
1552 | */ | |
1553 | if (pl->pl_prop != ZPROP_INVAL) { | |
1554 | const char *propname = (type == ZFS_TYPE_POOL) ? | |
1555 | zpool_prop_to_name(pl->pl_prop) : | |
1556 | zfs_prop_to_name(pl->pl_prop); | |
1557 | ||
1558 | len = strlen(propname); | |
1559 | if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) | |
1560 | cbp->cb_colwidths[GET_COL_PROPERTY] = len; | |
1561 | } else { | |
1562 | len = strlen(pl->pl_user_prop); | |
1563 | if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) | |
1564 | cbp->cb_colwidths[GET_COL_PROPERTY] = len; | |
1565 | } | |
1566 | ||
1567 | /* | |
fb5f0bc8 BB |
1568 | * 'VALUE' column. The first property is always the 'name' |
1569 | * property that was tacked on either by /sbin/zfs's | |
1570 | * zfs_do_get() or when calling zprop_expand_list(), so we | |
1571 | * ignore its width. If the user specified the name property | |
1572 | * to display, then it will be later in the list in any case. | |
34dc7c2f | 1573 | */ |
fb5f0bc8 | 1574 | if (pl != cbp->cb_proplist && |
34dc7c2f BB |
1575 | pl->pl_width > cbp->cb_colwidths[GET_COL_VALUE]) |
1576 | cbp->cb_colwidths[GET_COL_VALUE] = pl->pl_width; | |
1577 | ||
428870ff BB |
1578 | /* 'RECEIVED' column. */ |
1579 | if (pl != cbp->cb_proplist && | |
1580 | pl->pl_recvd_width > cbp->cb_colwidths[GET_COL_RECVD]) | |
1581 | cbp->cb_colwidths[GET_COL_RECVD] = pl->pl_recvd_width; | |
1582 | ||
34dc7c2f BB |
1583 | /* |
1584 | * 'NAME' and 'SOURCE' columns | |
1585 | */ | |
1586 | if (pl->pl_prop == (type == ZFS_TYPE_POOL ? ZPOOL_PROP_NAME : | |
1587 | ZFS_PROP_NAME) && | |
1588 | pl->pl_width > cbp->cb_colwidths[GET_COL_NAME]) { | |
1589 | cbp->cb_colwidths[GET_COL_NAME] = pl->pl_width; | |
1590 | cbp->cb_colwidths[GET_COL_SOURCE] = pl->pl_width + | |
1591 | strlen(dgettext(TEXT_DOMAIN, "inherited from")); | |
1592 | } | |
1593 | } | |
1594 | ||
1595 | /* | |
1596 | * Now go through and print the headers. | |
1597 | */ | |
428870ff | 1598 | for (i = 0; i < ZFS_GET_NCOLS; i++) { |
34dc7c2f BB |
1599 | switch (cbp->cb_columns[i]) { |
1600 | case GET_COL_NAME: | |
1601 | title = dgettext(TEXT_DOMAIN, "NAME"); | |
1602 | break; | |
1603 | case GET_COL_PROPERTY: | |
1604 | title = dgettext(TEXT_DOMAIN, "PROPERTY"); | |
1605 | break; | |
1606 | case GET_COL_VALUE: | |
1607 | title = dgettext(TEXT_DOMAIN, "VALUE"); | |
1608 | break; | |
428870ff BB |
1609 | case GET_COL_RECVD: |
1610 | title = dgettext(TEXT_DOMAIN, "RECEIVED"); | |
1611 | break; | |
34dc7c2f BB |
1612 | case GET_COL_SOURCE: |
1613 | title = dgettext(TEXT_DOMAIN, "SOURCE"); | |
1614 | break; | |
1615 | default: | |
1616 | title = NULL; | |
1617 | } | |
1618 | ||
1619 | if (title != NULL) { | |
428870ff BB |
1620 | if (i == (ZFS_GET_NCOLS - 1) || |
1621 | cbp->cb_columns[i + 1] == GET_COL_NONE) | |
34dc7c2f BB |
1622 | (void) printf("%s", title); |
1623 | else | |
1624 | (void) printf("%-*s ", | |
1625 | cbp->cb_colwidths[cbp->cb_columns[i]], | |
1626 | title); | |
1627 | } | |
1628 | } | |
1629 | (void) printf("\n"); | |
1630 | } | |
1631 | ||
1632 | /* | |
1633 | * Display a single line of output, according to the settings in the callback | |
1634 | * structure. | |
1635 | */ | |
1636 | void | |
1637 | zprop_print_one_property(const char *name, zprop_get_cbdata_t *cbp, | |
1638 | const char *propname, const char *value, zprop_source_t sourcetype, | |
428870ff | 1639 | const char *source, const char *recvd_value) |
34dc7c2f BB |
1640 | { |
1641 | int i; | |
d4ed6673 | 1642 | const char *str = NULL; |
34dc7c2f BB |
1643 | char buf[128]; |
1644 | ||
1645 | /* | |
1646 | * Ignore those source types that the user has chosen to ignore. | |
1647 | */ | |
1648 | if ((sourcetype & cbp->cb_sources) == 0) | |
1649 | return; | |
1650 | ||
1651 | if (cbp->cb_first) | |
1652 | zprop_print_headers(cbp, cbp->cb_type); | |
1653 | ||
428870ff | 1654 | for (i = 0; i < ZFS_GET_NCOLS; i++) { |
34dc7c2f BB |
1655 | switch (cbp->cb_columns[i]) { |
1656 | case GET_COL_NAME: | |
1657 | str = name; | |
1658 | break; | |
1659 | ||
1660 | case GET_COL_PROPERTY: | |
1661 | str = propname; | |
1662 | break; | |
1663 | ||
1664 | case GET_COL_VALUE: | |
1665 | str = value; | |
1666 | break; | |
1667 | ||
1668 | case GET_COL_SOURCE: | |
1669 | switch (sourcetype) { | |
1670 | case ZPROP_SRC_NONE: | |
1671 | str = "-"; | |
1672 | break; | |
1673 | ||
1674 | case ZPROP_SRC_DEFAULT: | |
1675 | str = "default"; | |
1676 | break; | |
1677 | ||
1678 | case ZPROP_SRC_LOCAL: | |
1679 | str = "local"; | |
1680 | break; | |
1681 | ||
1682 | case ZPROP_SRC_TEMPORARY: | |
1683 | str = "temporary"; | |
1684 | break; | |
1685 | ||
1686 | case ZPROP_SRC_INHERITED: | |
1687 | (void) snprintf(buf, sizeof (buf), | |
1688 | "inherited from %s", source); | |
1689 | str = buf; | |
1690 | break; | |
428870ff BB |
1691 | case ZPROP_SRC_RECEIVED: |
1692 | str = "received"; | |
1693 | break; | |
23d70cde GM |
1694 | |
1695 | default: | |
1696 | str = NULL; | |
1697 | assert(!"unhandled zprop_source_t"); | |
34dc7c2f BB |
1698 | } |
1699 | break; | |
1700 | ||
428870ff BB |
1701 | case GET_COL_RECVD: |
1702 | str = (recvd_value == NULL ? "-" : recvd_value); | |
1703 | break; | |
1704 | ||
34dc7c2f BB |
1705 | default: |
1706 | continue; | |
1707 | } | |
1708 | ||
23827a4c G |
1709 | if (i == (ZFS_GET_NCOLS - 1) || |
1710 | cbp->cb_columns[i + 1] == GET_COL_NONE) | |
34dc7c2f BB |
1711 | (void) printf("%s", str); |
1712 | else if (cbp->cb_scripted) | |
1713 | (void) printf("%s\t", str); | |
1714 | else | |
1715 | (void) printf("%-*s ", | |
1716 | cbp->cb_colwidths[cbp->cb_columns[i]], | |
1717 | str); | |
34dc7c2f BB |
1718 | } |
1719 | ||
1720 | (void) printf("\n"); | |
1721 | } | |
1722 | ||
1723 | /* | |
1724 | * Given a numeric suffix, convert the value into a number of bits that the | |
1725 | * resulting value must be shifted. | |
1726 | */ | |
1727 | static int | |
1728 | str2shift(libzfs_handle_t *hdl, const char *buf) | |
1729 | { | |
1730 | const char *ends = "BKMGTPEZ"; | |
1731 | int i; | |
1732 | ||
1733 | if (buf[0] == '\0') | |
1734 | return (0); | |
1735 | for (i = 0; i < strlen(ends); i++) { | |
1736 | if (toupper(buf[0]) == ends[i]) | |
1737 | break; | |
1738 | } | |
1739 | if (i == strlen(ends)) { | |
53c2ec1d JL |
1740 | if (hdl) |
1741 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1742 | "invalid numeric suffix '%s'"), buf); | |
34dc7c2f BB |
1743 | return (-1); |
1744 | } | |
1745 | ||
1746 | /* | |
826ab7ad RL |
1747 | * Allow 'G' = 'GB' = 'GiB', case-insensitively. |
1748 | * However, 'BB' and 'BiB' are disallowed. | |
34dc7c2f | 1749 | */ |
826ab7ad RL |
1750 | if (buf[1] == '\0' || |
1751 | (toupper(buf[0]) != 'B' && | |
d1d7e268 MK |
1752 | ((toupper(buf[1]) == 'B' && buf[2] == '\0') || |
1753 | (toupper(buf[1]) == 'I' && toupper(buf[2]) == 'B' && | |
1754 | buf[3] == '\0')))) | |
1755 | return (10 * i); | |
34dc7c2f | 1756 | |
53c2ec1d JL |
1757 | if (hdl) |
1758 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1759 | "invalid numeric suffix '%s'"), buf); | |
34dc7c2f BB |
1760 | return (-1); |
1761 | } | |
1762 | ||
1763 | /* | |
1764 | * Convert a string of the form '100G' into a real number. Used when setting | |
1765 | * properties or creating a volume. 'buf' is used to place an extended error | |
1766 | * message for the caller to use. | |
1767 | */ | |
1768 | int | |
1769 | zfs_nicestrtonum(libzfs_handle_t *hdl, const char *value, uint64_t *num) | |
1770 | { | |
1771 | char *end; | |
1772 | int shift; | |
1773 | ||
1774 | *num = 0; | |
1775 | ||
1776 | /* Check to see if this looks like a number. */ | |
1777 | if ((value[0] < '0' || value[0] > '9') && value[0] != '.') { | |
1778 | if (hdl) | |
1779 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1780 | "bad numeric value '%s'"), value); | |
1781 | return (-1); | |
1782 | } | |
1783 | ||
428870ff | 1784 | /* Rely on strtoull() to process the numeric portion. */ |
34dc7c2f | 1785 | errno = 0; |
d164b209 | 1786 | *num = strtoull(value, &end, 10); |
34dc7c2f BB |
1787 | |
1788 | /* | |
1789 | * Check for ERANGE, which indicates that the value is too large to fit | |
1790 | * in a 64-bit value. | |
1791 | */ | |
1792 | if (errno == ERANGE) { | |
1793 | if (hdl) | |
1794 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1795 | "numeric value is too large")); | |
1796 | return (-1); | |
1797 | } | |
1798 | ||
1799 | /* | |
1800 | * If we have a decimal value, then do the computation with floating | |
1801 | * point arithmetic. Otherwise, use standard arithmetic. | |
1802 | */ | |
1803 | if (*end == '.') { | |
1804 | double fval = strtod(value, &end); | |
1805 | ||
1806 | if ((shift = str2shift(hdl, end)) == -1) | |
1807 | return (-1); | |
1808 | ||
1809 | fval *= pow(2, shift); | |
1810 | ||
1811 | if (fval > UINT64_MAX) { | |
1812 | if (hdl) | |
1813 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1814 | "numeric value is too large")); | |
1815 | return (-1); | |
1816 | } | |
1817 | ||
1818 | *num = (uint64_t)fval; | |
1819 | } else { | |
1820 | if ((shift = str2shift(hdl, end)) == -1) | |
1821 | return (-1); | |
1822 | ||
1823 | /* Check for overflow */ | |
1824 | if (shift >= 64 || (*num << shift) >> shift != *num) { | |
1825 | if (hdl) | |
1826 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1827 | "numeric value is too large")); | |
1828 | return (-1); | |
1829 | } | |
1830 | ||
1831 | *num <<= shift; | |
1832 | } | |
1833 | ||
1834 | return (0); | |
1835 | } | |
1836 | ||
1837 | /* | |
1838 | * Given a propname=value nvpair to set, parse any numeric properties | |
1839 | * (index, boolean, etc) if they are specified as strings and add the | |
1840 | * resulting nvpair to the returned nvlist. | |
1841 | * | |
1842 | * At the DSL layer, all properties are either 64-bit numbers or strings. | |
1843 | * We want the user to be able to ignore this fact and specify properties | |
1844 | * as native values (numbers, for example) or as strings (to simplify | |
1845 | * command line utilities). This also handles converting index types | |
1846 | * (compression, checksum, etc) from strings to their on-disk index. | |
1847 | */ | |
1848 | int | |
1849 | zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop, | |
1850 | zfs_type_t type, nvlist_t *ret, char **svalp, uint64_t *ivalp, | |
1851 | const char *errbuf) | |
1852 | { | |
1853 | data_type_t datatype = nvpair_type(elem); | |
1854 | zprop_type_t proptype; | |
1855 | const char *propname; | |
1856 | char *value; | |
1857 | boolean_t isnone = B_FALSE; | |
d22f3a82 | 1858 | boolean_t isauto = B_FALSE; |
b6ca6193 | 1859 | int err = 0; |
34dc7c2f BB |
1860 | |
1861 | if (type == ZFS_TYPE_POOL) { | |
1862 | proptype = zpool_prop_get_type(prop); | |
1863 | propname = zpool_prop_to_name(prop); | |
1864 | } else { | |
1865 | proptype = zfs_prop_get_type(prop); | |
1866 | propname = zfs_prop_to_name(prop); | |
1867 | } | |
1868 | ||
1869 | /* | |
1870 | * Convert any properties to the internal DSL value types. | |
1871 | */ | |
1872 | *svalp = NULL; | |
1873 | *ivalp = 0; | |
1874 | ||
1875 | switch (proptype) { | |
1876 | case PROP_TYPE_STRING: | |
1877 | if (datatype != DATA_TYPE_STRING) { | |
1878 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1879 | "'%s' must be a string"), nvpair_name(elem)); | |
1880 | goto error; | |
1881 | } | |
b6ca6193 | 1882 | err = nvpair_value_string(elem, svalp); |
1883 | if (err != 0) { | |
1884 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1885 | "'%s' is invalid"), nvpair_name(elem)); | |
1886 | goto error; | |
1887 | } | |
34dc7c2f BB |
1888 | if (strlen(*svalp) >= ZFS_MAXPROPLEN) { |
1889 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1890 | "'%s' is too long"), nvpair_name(elem)); | |
1891 | goto error; | |
1892 | } | |
1893 | break; | |
1894 | ||
1895 | case PROP_TYPE_NUMBER: | |
1896 | if (datatype == DATA_TYPE_STRING) { | |
1897 | (void) nvpair_value_string(elem, &value); | |
1898 | if (strcmp(value, "none") == 0) { | |
1899 | isnone = B_TRUE; | |
d22f3a82 MG |
1900 | } else if (strcmp(value, "auto") == 0) { |
1901 | isauto = B_TRUE; | |
1902 | } else if (zfs_nicestrtonum(hdl, value, ivalp) != 0) { | |
34dc7c2f BB |
1903 | goto error; |
1904 | } | |
1905 | } else if (datatype == DATA_TYPE_UINT64) { | |
1906 | (void) nvpair_value_uint64(elem, ivalp); | |
1907 | } else { | |
1908 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1909 | "'%s' must be a number"), nvpair_name(elem)); | |
1910 | goto error; | |
1911 | } | |
1912 | ||
1913 | /* | |
1914 | * Quota special: force 'none' and don't allow 0. | |
1915 | */ | |
1916 | if ((type & ZFS_TYPE_DATASET) && *ivalp == 0 && !isnone && | |
1917 | (prop == ZFS_PROP_QUOTA || prop == ZFS_PROP_REFQUOTA)) { | |
1918 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1919 | "use 'none' to disable quota/refquota")); | |
1920 | goto error; | |
1921 | } | |
788eb90c JJ |
1922 | |
1923 | /* | |
1924 | * Special handling for "*_limit=none". In this case it's not | |
1925 | * 0 but UINT64_MAX. | |
1926 | */ | |
1927 | if ((type & ZFS_TYPE_DATASET) && isnone && | |
1928 | (prop == ZFS_PROP_FILESYSTEM_LIMIT || | |
1929 | prop == ZFS_PROP_SNAPSHOT_LIMIT)) { | |
1930 | *ivalp = UINT64_MAX; | |
1931 | } | |
d22f3a82 MG |
1932 | |
1933 | /* | |
1934 | * Special handling for setting 'refreservation' to 'auto'. Use | |
1935 | * UINT64_MAX to tell the caller to use zfs_fix_auto_resv(). | |
1936 | * 'auto' is only allowed on volumes. | |
1937 | */ | |
1938 | if (isauto) { | |
1939 | switch (prop) { | |
1940 | case ZFS_PROP_REFRESERVATION: | |
1941 | if ((type & ZFS_TYPE_VOLUME) == 0) { | |
1942 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1943 | "'%s=auto' only allowed on " | |
1944 | "volumes"), nvpair_name(elem)); | |
1945 | goto error; | |
1946 | } | |
1947 | *ivalp = UINT64_MAX; | |
1948 | break; | |
1949 | default: | |
1950 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1951 | "'auto' is invalid value for '%s'"), | |
1952 | nvpair_name(elem)); | |
1953 | goto error; | |
1954 | } | |
1955 | } | |
1956 | ||
34dc7c2f BB |
1957 | break; |
1958 | ||
1959 | case PROP_TYPE_INDEX: | |
1960 | if (datatype != DATA_TYPE_STRING) { | |
1961 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1962 | "'%s' must be a string"), nvpair_name(elem)); | |
1963 | goto error; | |
1964 | } | |
1965 | ||
1966 | (void) nvpair_value_string(elem, &value); | |
1967 | ||
1968 | if (zprop_string_to_index(prop, value, ivalp, type) != 0) { | |
1969 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1970 | "'%s' must be one of '%s'"), propname, | |
1971 | zprop_values(prop, type)); | |
1972 | goto error; | |
1973 | } | |
1974 | break; | |
1975 | ||
1976 | default: | |
1977 | abort(); | |
1978 | } | |
1979 | ||
1980 | /* | |
1981 | * Add the result to our return set of properties. | |
1982 | */ | |
1983 | if (*svalp != NULL) { | |
1984 | if (nvlist_add_string(ret, propname, *svalp) != 0) { | |
1985 | (void) no_memory(hdl); | |
1986 | return (-1); | |
1987 | } | |
1988 | } else { | |
1989 | if (nvlist_add_uint64(ret, propname, *ivalp) != 0) { | |
1990 | (void) no_memory(hdl); | |
1991 | return (-1); | |
1992 | } | |
1993 | } | |
1994 | ||
1995 | return (0); | |
1996 | error: | |
1997 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1998 | return (-1); | |
1999 | } | |
2000 | ||
b128c09f BB |
2001 | static int |
2002 | addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp, | |
2003 | zfs_type_t type) | |
2004 | { | |
2005 | int prop; | |
2006 | zprop_list_t *entry; | |
2007 | ||
2008 | prop = zprop_name_to_prop(propname, type); | |
2009 | ||
962d5242 | 2010 | if (prop != ZPROP_INVAL && !zprop_valid_for_type(prop, type, B_FALSE)) |
b128c09f BB |
2011 | prop = ZPROP_INVAL; |
2012 | ||
2013 | /* | |
2014 | * When no property table entry can be found, return failure if | |
2015 | * this is a pool property or if this isn't a user-defined | |
2016 | * dataset property, | |
2017 | */ | |
9ae529ec CS |
2018 | if (prop == ZPROP_INVAL && ((type == ZFS_TYPE_POOL && |
2019 | !zpool_prop_feature(propname) && | |
2020 | !zpool_prop_unsupported(propname)) || | |
2021 | (type == ZFS_TYPE_DATASET && !zfs_prop_user(propname) && | |
2022 | !zfs_prop_userquota(propname) && !zfs_prop_written(propname)))) { | |
b128c09f BB |
2023 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2024 | "invalid property '%s'"), propname); | |
2025 | return (zfs_error(hdl, EZFS_BADPROP, | |
2026 | dgettext(TEXT_DOMAIN, "bad property list"))); | |
2027 | } | |
2028 | ||
2029 | if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) | |
2030 | return (-1); | |
2031 | ||
2032 | entry->pl_prop = prop; | |
2033 | if (prop == ZPROP_INVAL) { | |
9ae529ec CS |
2034 | if ((entry->pl_user_prop = zfs_strdup(hdl, propname)) == |
2035 | NULL) { | |
b128c09f BB |
2036 | free(entry); |
2037 | return (-1); | |
2038 | } | |
2039 | entry->pl_width = strlen(propname); | |
2040 | } else { | |
2041 | entry->pl_width = zprop_width(prop, &entry->pl_fixed, | |
2042 | type); | |
2043 | } | |
2044 | ||
2045 | *listp = entry; | |
2046 | ||
2047 | return (0); | |
2048 | } | |
2049 | ||
34dc7c2f BB |
2050 | /* |
2051 | * Given a comma-separated list of properties, construct a property list | |
2052 | * containing both user-defined and native properties. This function will | |
2053 | * return a NULL list if 'all' is specified, which can later be expanded | |
2054 | * by zprop_expand_list(). | |
2055 | */ | |
2056 | int | |
2057 | zprop_get_list(libzfs_handle_t *hdl, char *props, zprop_list_t **listp, | |
2058 | zfs_type_t type) | |
2059 | { | |
34dc7c2f | 2060 | *listp = NULL; |
34dc7c2f BB |
2061 | |
2062 | /* | |
2063 | * If 'all' is specified, return a NULL list. | |
2064 | */ | |
2065 | if (strcmp(props, "all") == 0) | |
2066 | return (0); | |
2067 | ||
2068 | /* | |
2069 | * If no props were specified, return an error. | |
2070 | */ | |
2071 | if (props[0] == '\0') { | |
2072 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2073 | "no properties specified")); | |
2074 | return (zfs_error(hdl, EZFS_BADPROP, dgettext(TEXT_DOMAIN, | |
2075 | "bad property list"))); | |
2076 | } | |
2077 | ||
2078 | /* | |
2079 | * It would be nice to use getsubopt() here, but the inclusion of column | |
2080 | * aliases makes this more effort than it's worth. | |
2081 | */ | |
b128c09f BB |
2082 | while (*props != '\0') { |
2083 | size_t len; | |
2084 | char *p; | |
2085 | char c; | |
2086 | ||
2087 | if ((p = strchr(props, ',')) == NULL) { | |
2088 | len = strlen(props); | |
2089 | p = props + len; | |
34dc7c2f | 2090 | } else { |
b128c09f | 2091 | len = p - props; |
34dc7c2f BB |
2092 | } |
2093 | ||
2094 | /* | |
2095 | * Check for empty options. | |
2096 | */ | |
2097 | if (len == 0) { | |
2098 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2099 | "empty property name")); | |
2100 | return (zfs_error(hdl, EZFS_BADPROP, | |
2101 | dgettext(TEXT_DOMAIN, "bad property list"))); | |
2102 | } | |
2103 | ||
2104 | /* | |
2105 | * Check all regular property names. | |
2106 | */ | |
b128c09f BB |
2107 | c = props[len]; |
2108 | props[len] = '\0'; | |
2109 | ||
2110 | if (strcmp(props, "space") == 0) { | |
2111 | static char *spaceprops[] = { | |
2112 | "name", "avail", "used", "usedbysnapshots", | |
2113 | "usedbydataset", "usedbyrefreservation", | |
2114 | "usedbychildren", NULL | |
2115 | }; | |
2116 | int i; | |
2117 | ||
2118 | for (i = 0; spaceprops[i]; i++) { | |
2119 | if (addlist(hdl, spaceprops[i], listp, type)) | |
2120 | return (-1); | |
2121 | listp = &(*listp)->pl_next; | |
34dc7c2f | 2122 | } |
34dc7c2f | 2123 | } else { |
b128c09f BB |
2124 | if (addlist(hdl, props, listp, type)) |
2125 | return (-1); | |
2126 | listp = &(*listp)->pl_next; | |
34dc7c2f BB |
2127 | } |
2128 | ||
b128c09f | 2129 | props = p; |
34dc7c2f | 2130 | if (c == ',') |
b128c09f | 2131 | props++; |
34dc7c2f BB |
2132 | } |
2133 | ||
2134 | return (0); | |
2135 | } | |
2136 | ||
2137 | void | |
2138 | zprop_free_list(zprop_list_t *pl) | |
2139 | { | |
2140 | zprop_list_t *next; | |
2141 | ||
2142 | while (pl != NULL) { | |
2143 | next = pl->pl_next; | |
2144 | free(pl->pl_user_prop); | |
2145 | free(pl); | |
2146 | pl = next; | |
2147 | } | |
2148 | } | |
2149 | ||
2150 | typedef struct expand_data { | |
2151 | zprop_list_t **last; | |
2152 | libzfs_handle_t *hdl; | |
2153 | zfs_type_t type; | |
2154 | } expand_data_t; | |
2155 | ||
2156 | int | |
2157 | zprop_expand_list_cb(int prop, void *cb) | |
2158 | { | |
2159 | zprop_list_t *entry; | |
2160 | expand_data_t *edp = cb; | |
2161 | ||
2162 | if ((entry = zfs_alloc(edp->hdl, sizeof (zprop_list_t))) == NULL) | |
2163 | return (ZPROP_INVAL); | |
2164 | ||
2165 | entry->pl_prop = prop; | |
2166 | entry->pl_width = zprop_width(prop, &entry->pl_fixed, edp->type); | |
2167 | entry->pl_all = B_TRUE; | |
2168 | ||
2169 | *(edp->last) = entry; | |
2170 | edp->last = &entry->pl_next; | |
2171 | ||
2172 | return (ZPROP_CONT); | |
2173 | } | |
2174 | ||
2175 | int | |
2176 | zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type) | |
2177 | { | |
2178 | zprop_list_t *entry; | |
2179 | zprop_list_t **last; | |
2180 | expand_data_t exp; | |
2181 | ||
2182 | if (*plp == NULL) { | |
2183 | /* | |
2184 | * If this is the very first time we've been called for an 'all' | |
2185 | * specification, expand the list to include all native | |
2186 | * properties. | |
2187 | */ | |
2188 | last = plp; | |
2189 | ||
2190 | exp.last = last; | |
2191 | exp.hdl = hdl; | |
2192 | exp.type = type; | |
2193 | ||
2194 | if (zprop_iter_common(zprop_expand_list_cb, &exp, B_FALSE, | |
2195 | B_FALSE, type) == ZPROP_INVAL) | |
2196 | return (-1); | |
2197 | ||
2198 | /* | |
2199 | * Add 'name' to the beginning of the list, which is handled | |
2200 | * specially. | |
2201 | */ | |
2202 | if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) | |
2203 | return (-1); | |
2204 | ||
2205 | entry->pl_prop = (type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : | |
2206 | ZFS_PROP_NAME; | |
2207 | entry->pl_width = zprop_width(entry->pl_prop, | |
2208 | &entry->pl_fixed, type); | |
2209 | entry->pl_all = B_TRUE; | |
2210 | entry->pl_next = *plp; | |
2211 | *plp = entry; | |
2212 | } | |
2213 | return (0); | |
2214 | } | |
2215 | ||
2216 | int | |
2217 | zprop_iter(zprop_func func, void *cb, boolean_t show_all, boolean_t ordered, | |
2218 | zfs_type_t type) | |
2219 | { | |
2220 | return (zprop_iter_common(func, cb, show_all, ordered, type)); | |
2221 | } |