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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. |
9ae529ec | 24 | * Copyright (c) 2012 by Delphix. All rights reserved. |
34dc7c2f BB |
25 | */ |
26 | ||
34dc7c2f BB |
27 | /* |
28 | * Internal utility routines for the ZFS library. | |
29 | */ | |
30 | ||
31 | #include <errno.h> | |
32 | #include <fcntl.h> | |
33 | #include <libintl.h> | |
34 | #include <stdarg.h> | |
35 | #include <stdio.h> | |
36 | #include <stdlib.h> | |
37 | #include <strings.h> | |
38 | #include <unistd.h> | |
39 | #include <ctype.h> | |
40 | #include <math.h> | |
d603ed6c | 41 | #include <sys/stat.h> |
34dc7c2f BB |
42 | #include <sys/mnttab.h> |
43 | #include <sys/mntent.h> | |
44 | #include <sys/types.h> | |
4b1abce9 | 45 | #include <wait.h> |
34dc7c2f BB |
46 | |
47 | #include <libzfs.h> | |
48 | ||
49 | #include "libzfs_impl.h" | |
50 | #include "zfs_prop.h" | |
9ae529ec | 51 | #include "zfeature_common.h" |
34dc7c2f BB |
52 | |
53 | int | |
54 | libzfs_errno(libzfs_handle_t *hdl) | |
55 | { | |
56 | return (hdl->libzfs_error); | |
57 | } | |
58 | ||
59 | const char * | |
60 | libzfs_error_action(libzfs_handle_t *hdl) | |
61 | { | |
62 | return (hdl->libzfs_action); | |
63 | } | |
64 | ||
65 | const char * | |
66 | libzfs_error_description(libzfs_handle_t *hdl) | |
67 | { | |
68 | if (hdl->libzfs_desc[0] != '\0') | |
69 | return (hdl->libzfs_desc); | |
70 | ||
71 | switch (hdl->libzfs_error) { | |
72 | case EZFS_NOMEM: | |
73 | return (dgettext(TEXT_DOMAIN, "out of memory")); | |
74 | case EZFS_BADPROP: | |
75 | return (dgettext(TEXT_DOMAIN, "invalid property value")); | |
76 | case EZFS_PROPREADONLY: | |
572e2857 | 77 | return (dgettext(TEXT_DOMAIN, "read-only property")); |
34dc7c2f BB |
78 | case EZFS_PROPTYPE: |
79 | return (dgettext(TEXT_DOMAIN, "property doesn't apply to " | |
80 | "datasets of this type")); | |
81 | case EZFS_PROPNONINHERIT: | |
82 | return (dgettext(TEXT_DOMAIN, "property cannot be inherited")); | |
83 | case EZFS_PROPSPACE: | |
84 | return (dgettext(TEXT_DOMAIN, "invalid quota or reservation")); | |
85 | case EZFS_BADTYPE: | |
86 | return (dgettext(TEXT_DOMAIN, "operation not applicable to " | |
87 | "datasets of this type")); | |
88 | case EZFS_BUSY: | |
89 | return (dgettext(TEXT_DOMAIN, "pool or dataset is busy")); | |
90 | case EZFS_EXISTS: | |
91 | return (dgettext(TEXT_DOMAIN, "pool or dataset exists")); | |
92 | case EZFS_NOENT: | |
93 | return (dgettext(TEXT_DOMAIN, "no such pool or dataset")); | |
94 | case EZFS_BADSTREAM: | |
95 | return (dgettext(TEXT_DOMAIN, "invalid backup stream")); | |
96 | case EZFS_DSREADONLY: | |
572e2857 | 97 | return (dgettext(TEXT_DOMAIN, "dataset is read-only")); |
34dc7c2f BB |
98 | case EZFS_VOLTOOBIG: |
99 | return (dgettext(TEXT_DOMAIN, "volume size exceeds limit for " | |
100 | "this system")); | |
34dc7c2f BB |
101 | case EZFS_INVALIDNAME: |
102 | return (dgettext(TEXT_DOMAIN, "invalid name")); | |
103 | case EZFS_BADRESTORE: | |
104 | return (dgettext(TEXT_DOMAIN, "unable to restore to " | |
105 | "destination")); | |
106 | case EZFS_BADBACKUP: | |
107 | return (dgettext(TEXT_DOMAIN, "backup failed")); | |
108 | case EZFS_BADTARGET: | |
109 | return (dgettext(TEXT_DOMAIN, "invalid target vdev")); | |
110 | case EZFS_NODEVICE: | |
111 | return (dgettext(TEXT_DOMAIN, "no such device in pool")); | |
112 | case EZFS_BADDEV: | |
113 | return (dgettext(TEXT_DOMAIN, "invalid device")); | |
114 | case EZFS_NOREPLICAS: | |
115 | return (dgettext(TEXT_DOMAIN, "no valid replicas")); | |
116 | case EZFS_RESILVERING: | |
117 | return (dgettext(TEXT_DOMAIN, "currently resilvering")); | |
118 | case EZFS_BADVERSION: | |
9ae529ec CS |
119 | return (dgettext(TEXT_DOMAIN, "unsupported version or " |
120 | "feature")); | |
34dc7c2f BB |
121 | case EZFS_POOLUNAVAIL: |
122 | return (dgettext(TEXT_DOMAIN, "pool is unavailable")); | |
123 | case EZFS_DEVOVERFLOW: | |
124 | return (dgettext(TEXT_DOMAIN, "too many devices in one vdev")); | |
125 | case EZFS_BADPATH: | |
126 | return (dgettext(TEXT_DOMAIN, "must be an absolute path")); | |
127 | case EZFS_CROSSTARGET: | |
128 | return (dgettext(TEXT_DOMAIN, "operation crosses datasets or " | |
129 | "pools")); | |
130 | case EZFS_ZONED: | |
131 | return (dgettext(TEXT_DOMAIN, "dataset in use by local zone")); | |
132 | case EZFS_MOUNTFAILED: | |
133 | return (dgettext(TEXT_DOMAIN, "mount failed")); | |
134 | case EZFS_UMOUNTFAILED: | |
135 | return (dgettext(TEXT_DOMAIN, "umount failed")); | |
136 | case EZFS_UNSHARENFSFAILED: | |
137 | return (dgettext(TEXT_DOMAIN, "unshare(1M) failed")); | |
138 | case EZFS_SHARENFSFAILED: | |
139 | return (dgettext(TEXT_DOMAIN, "share(1M) failed")); | |
140 | case EZFS_UNSHARESMBFAILED: | |
141 | return (dgettext(TEXT_DOMAIN, "smb remove share failed")); | |
142 | case EZFS_SHARESMBFAILED: | |
143 | return (dgettext(TEXT_DOMAIN, "smb add share failed")); | |
34dc7c2f BB |
144 | case EZFS_PERM: |
145 | return (dgettext(TEXT_DOMAIN, "permission denied")); | |
146 | case EZFS_NOSPC: | |
147 | return (dgettext(TEXT_DOMAIN, "out of space")); | |
428870ff BB |
148 | case EZFS_FAULT: |
149 | return (dgettext(TEXT_DOMAIN, "bad address")); | |
34dc7c2f BB |
150 | case EZFS_IO: |
151 | return (dgettext(TEXT_DOMAIN, "I/O error")); | |
152 | case EZFS_INTR: | |
153 | return (dgettext(TEXT_DOMAIN, "signal received")); | |
154 | case EZFS_ISSPARE: | |
155 | return (dgettext(TEXT_DOMAIN, "device is reserved as a hot " | |
156 | "spare")); | |
157 | case EZFS_INVALCONFIG: | |
158 | return (dgettext(TEXT_DOMAIN, "invalid vdev configuration")); | |
159 | case EZFS_RECURSIVE: | |
160 | return (dgettext(TEXT_DOMAIN, "recursive dataset dependency")); | |
161 | case EZFS_NOHISTORY: | |
162 | return (dgettext(TEXT_DOMAIN, "no history available")); | |
34dc7c2f BB |
163 | case EZFS_POOLPROPS: |
164 | return (dgettext(TEXT_DOMAIN, "failed to retrieve " | |
165 | "pool properties")); | |
166 | case EZFS_POOL_NOTSUP: | |
167 | return (dgettext(TEXT_DOMAIN, "operation not supported " | |
168 | "on this type of pool")); | |
169 | case EZFS_POOL_INVALARG: | |
170 | return (dgettext(TEXT_DOMAIN, "invalid argument for " | |
171 | "this pool operation")); | |
172 | case EZFS_NAMETOOLONG: | |
173 | return (dgettext(TEXT_DOMAIN, "dataset name is too long")); | |
174 | case EZFS_OPENFAILED: | |
175 | return (dgettext(TEXT_DOMAIN, "open failed")); | |
176 | case EZFS_NOCAP: | |
177 | return (dgettext(TEXT_DOMAIN, | |
178 | "disk capacity information could not be retrieved")); | |
179 | case EZFS_LABELFAILED: | |
180 | return (dgettext(TEXT_DOMAIN, "write of label failed")); | |
181 | case EZFS_BADWHO: | |
182 | return (dgettext(TEXT_DOMAIN, "invalid user/group")); | |
183 | case EZFS_BADPERM: | |
184 | return (dgettext(TEXT_DOMAIN, "invalid permission")); | |
185 | case EZFS_BADPERMSET: | |
186 | return (dgettext(TEXT_DOMAIN, "invalid permission set name")); | |
187 | case EZFS_NODELEGATION: | |
188 | return (dgettext(TEXT_DOMAIN, "delegated administration is " | |
189 | "disabled on pool")); | |
34dc7c2f BB |
190 | case EZFS_BADCACHE: |
191 | return (dgettext(TEXT_DOMAIN, "invalid or missing cache file")); | |
192 | case EZFS_ISL2CACHE: | |
193 | return (dgettext(TEXT_DOMAIN, "device is in use as a cache")); | |
194 | case EZFS_VDEVNOTSUP: | |
195 | return (dgettext(TEXT_DOMAIN, "vdev specification is not " | |
196 | "supported")); | |
b128c09f BB |
197 | case EZFS_NOTSUP: |
198 | return (dgettext(TEXT_DOMAIN, "operation not supported " | |
199 | "on this dataset")); | |
200 | case EZFS_ACTIVE_SPARE: | |
201 | return (dgettext(TEXT_DOMAIN, "pool has active shared spare " | |
202 | "device")); | |
9babb374 BB |
203 | case EZFS_UNPLAYED_LOGS: |
204 | return (dgettext(TEXT_DOMAIN, "log device has unplayed intent " | |
205 | "logs")); | |
45d1cae3 BB |
206 | case EZFS_REFTAG_RELE: |
207 | return (dgettext(TEXT_DOMAIN, "no such tag on this dataset")); | |
208 | case EZFS_REFTAG_HOLD: | |
209 | return (dgettext(TEXT_DOMAIN, "tag already exists on this " | |
210 | "dataset")); | |
428870ff BB |
211 | case EZFS_TAGTOOLONG: |
212 | return (dgettext(TEXT_DOMAIN, "tag too long")); | |
213 | case EZFS_PIPEFAILED: | |
214 | return (dgettext(TEXT_DOMAIN, "pipe create failed")); | |
215 | case EZFS_THREADCREATEFAILED: | |
216 | return (dgettext(TEXT_DOMAIN, "thread create failed")); | |
217 | case EZFS_POSTSPLIT_ONLINE: | |
218 | return (dgettext(TEXT_DOMAIN, "disk was split from this pool " | |
219 | "into a new one")); | |
220 | case EZFS_SCRUBBING: | |
221 | return (dgettext(TEXT_DOMAIN, "currently scrubbing; " | |
222 | "use 'zpool scrub -s' to cancel current scrub")); | |
223 | case EZFS_NO_SCRUB: | |
224 | return (dgettext(TEXT_DOMAIN, "there is no active scrub")); | |
572e2857 BB |
225 | case EZFS_DIFF: |
226 | return (dgettext(TEXT_DOMAIN, "unable to generate diffs")); | |
227 | case EZFS_DIFFDATA: | |
228 | return (dgettext(TEXT_DOMAIN, "invalid diff data")); | |
229 | case EZFS_POOLREADONLY: | |
230 | return (dgettext(TEXT_DOMAIN, "pool is read-only")); | |
34dc7c2f BB |
231 | case EZFS_UNKNOWN: |
232 | return (dgettext(TEXT_DOMAIN, "unknown error")); | |
233 | default: | |
234 | assert(hdl->libzfs_error == 0); | |
235 | return (dgettext(TEXT_DOMAIN, "no error")); | |
236 | } | |
237 | } | |
238 | ||
239 | /*PRINTFLIKE2*/ | |
240 | void | |
241 | zfs_error_aux(libzfs_handle_t *hdl, const char *fmt, ...) | |
242 | { | |
243 | va_list ap; | |
244 | ||
245 | va_start(ap, fmt); | |
246 | ||
247 | (void) vsnprintf(hdl->libzfs_desc, sizeof (hdl->libzfs_desc), | |
248 | fmt, ap); | |
249 | hdl->libzfs_desc_active = 1; | |
250 | ||
251 | va_end(ap); | |
252 | } | |
253 | ||
254 | static void | |
255 | zfs_verror(libzfs_handle_t *hdl, int error, const char *fmt, va_list ap) | |
256 | { | |
257 | (void) vsnprintf(hdl->libzfs_action, sizeof (hdl->libzfs_action), | |
258 | fmt, ap); | |
259 | hdl->libzfs_error = error; | |
260 | ||
261 | if (hdl->libzfs_desc_active) | |
262 | hdl->libzfs_desc_active = 0; | |
263 | else | |
264 | hdl->libzfs_desc[0] = '\0'; | |
265 | ||
266 | if (hdl->libzfs_printerr) { | |
267 | if (error == EZFS_UNKNOWN) { | |
268 | (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "internal " | |
269 | "error: %s\n"), libzfs_error_description(hdl)); | |
270 | abort(); | |
271 | } | |
272 | ||
273 | (void) fprintf(stderr, "%s: %s\n", hdl->libzfs_action, | |
274 | libzfs_error_description(hdl)); | |
275 | if (error == EZFS_NOMEM) | |
276 | exit(1); | |
277 | } | |
278 | } | |
279 | ||
280 | int | |
281 | zfs_error(libzfs_handle_t *hdl, int error, const char *msg) | |
282 | { | |
283 | return (zfs_error_fmt(hdl, error, "%s", msg)); | |
284 | } | |
285 | ||
286 | /*PRINTFLIKE3*/ | |
287 | int | |
288 | zfs_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) | |
289 | { | |
290 | va_list ap; | |
291 | ||
292 | va_start(ap, fmt); | |
293 | ||
294 | zfs_verror(hdl, error, fmt, ap); | |
295 | ||
296 | va_end(ap); | |
297 | ||
298 | return (-1); | |
299 | } | |
300 | ||
301 | static int | |
302 | zfs_common_error(libzfs_handle_t *hdl, int error, const char *fmt, | |
303 | va_list ap) | |
304 | { | |
305 | switch (error) { | |
306 | case EPERM: | |
307 | case EACCES: | |
308 | zfs_verror(hdl, EZFS_PERM, fmt, ap); | |
309 | return (-1); | |
310 | ||
311 | case ECANCELED: | |
312 | zfs_verror(hdl, EZFS_NODELEGATION, fmt, ap); | |
313 | return (-1); | |
314 | ||
315 | case EIO: | |
316 | zfs_verror(hdl, EZFS_IO, fmt, ap); | |
317 | return (-1); | |
318 | ||
428870ff BB |
319 | case EFAULT: |
320 | zfs_verror(hdl, EZFS_FAULT, fmt, ap); | |
321 | return (-1); | |
322 | ||
34dc7c2f BB |
323 | case EINTR: |
324 | zfs_verror(hdl, EZFS_INTR, fmt, ap); | |
325 | return (-1); | |
326 | } | |
327 | ||
328 | return (0); | |
329 | } | |
330 | ||
331 | int | |
332 | zfs_standard_error(libzfs_handle_t *hdl, int error, const char *msg) | |
333 | { | |
334 | return (zfs_standard_error_fmt(hdl, error, "%s", msg)); | |
335 | } | |
336 | ||
337 | /*PRINTFLIKE3*/ | |
338 | int | |
339 | zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) | |
340 | { | |
341 | va_list ap; | |
342 | ||
343 | va_start(ap, fmt); | |
344 | ||
345 | if (zfs_common_error(hdl, error, fmt, ap) != 0) { | |
346 | va_end(ap); | |
347 | return (-1); | |
348 | } | |
349 | ||
350 | switch (error) { | |
351 | case ENXIO: | |
352 | case ENODEV: | |
330d06f9 | 353 | case EPIPE: |
34dc7c2f BB |
354 | zfs_verror(hdl, EZFS_IO, fmt, ap); |
355 | break; | |
356 | ||
357 | case ENOENT: | |
358 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
359 | "dataset does not exist")); | |
360 | zfs_verror(hdl, EZFS_NOENT, fmt, ap); | |
361 | break; | |
362 | ||
363 | case ENOSPC: | |
364 | case EDQUOT: | |
365 | zfs_verror(hdl, EZFS_NOSPC, fmt, ap); | |
366 | return (-1); | |
367 | ||
368 | case EEXIST: | |
369 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
370 | "dataset already exists")); | |
371 | zfs_verror(hdl, EZFS_EXISTS, fmt, ap); | |
372 | break; | |
373 | ||
374 | case EBUSY: | |
375 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
376 | "dataset is busy")); | |
377 | zfs_verror(hdl, EZFS_BUSY, fmt, ap); | |
378 | break; | |
379 | case EROFS: | |
572e2857 | 380 | zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap); |
34dc7c2f BB |
381 | break; |
382 | case ENAMETOOLONG: | |
383 | zfs_verror(hdl, EZFS_NAMETOOLONG, fmt, ap); | |
384 | break; | |
385 | case ENOTSUP: | |
386 | zfs_verror(hdl, EZFS_BADVERSION, fmt, ap); | |
387 | break; | |
9babb374 BB |
388 | case EAGAIN: |
389 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
390 | "pool I/O is currently suspended")); | |
391 | zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); | |
392 | break; | |
34dc7c2f | 393 | default: |
428870ff | 394 | zfs_error_aux(hdl, strerror(error)); |
34dc7c2f BB |
395 | zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); |
396 | break; | |
397 | } | |
398 | ||
399 | va_end(ap); | |
400 | return (-1); | |
401 | } | |
402 | ||
403 | int | |
404 | zpool_standard_error(libzfs_handle_t *hdl, int error, const char *msg) | |
405 | { | |
406 | return (zpool_standard_error_fmt(hdl, error, "%s", msg)); | |
407 | } | |
408 | ||
409 | /*PRINTFLIKE3*/ | |
410 | int | |
411 | zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) | |
412 | { | |
413 | va_list ap; | |
414 | ||
415 | va_start(ap, fmt); | |
416 | ||
417 | if (zfs_common_error(hdl, error, fmt, ap) != 0) { | |
418 | va_end(ap); | |
419 | return (-1); | |
420 | } | |
421 | ||
422 | switch (error) { | |
423 | case ENODEV: | |
424 | zfs_verror(hdl, EZFS_NODEVICE, fmt, ap); | |
425 | break; | |
426 | ||
427 | case ENOENT: | |
428 | zfs_error_aux(hdl, | |
429 | dgettext(TEXT_DOMAIN, "no such pool or dataset")); | |
430 | zfs_verror(hdl, EZFS_NOENT, fmt, ap); | |
431 | break; | |
432 | ||
433 | case EEXIST: | |
434 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
435 | "pool already exists")); | |
436 | zfs_verror(hdl, EZFS_EXISTS, fmt, ap); | |
437 | break; | |
438 | ||
439 | case EBUSY: | |
440 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool is busy")); | |
b128c09f | 441 | zfs_verror(hdl, EZFS_BUSY, fmt, ap); |
34dc7c2f BB |
442 | break; |
443 | ||
444 | case ENXIO: | |
445 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
446 | "one or more devices is currently unavailable")); | |
447 | zfs_verror(hdl, EZFS_BADDEV, fmt, ap); | |
448 | break; | |
449 | ||
450 | case ENAMETOOLONG: | |
451 | zfs_verror(hdl, EZFS_DEVOVERFLOW, fmt, ap); | |
452 | break; | |
453 | ||
454 | case ENOTSUP: | |
455 | zfs_verror(hdl, EZFS_POOL_NOTSUP, fmt, ap); | |
456 | break; | |
457 | ||
458 | case EINVAL: | |
459 | zfs_verror(hdl, EZFS_POOL_INVALARG, fmt, ap); | |
460 | break; | |
461 | ||
462 | case ENOSPC: | |
463 | case EDQUOT: | |
464 | zfs_verror(hdl, EZFS_NOSPC, fmt, ap); | |
465 | return (-1); | |
572e2857 | 466 | |
9babb374 BB |
467 | case EAGAIN: |
468 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
469 | "pool I/O is currently suspended")); | |
470 | zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); | |
471 | break; | |
34dc7c2f | 472 | |
572e2857 BB |
473 | case EROFS: |
474 | zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap); | |
475 | break; | |
476 | ||
34dc7c2f BB |
477 | default: |
478 | zfs_error_aux(hdl, strerror(error)); | |
479 | zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); | |
480 | } | |
481 | ||
482 | va_end(ap); | |
483 | return (-1); | |
484 | } | |
485 | ||
486 | /* | |
487 | * Display an out of memory error message and abort the current program. | |
488 | */ | |
489 | int | |
490 | no_memory(libzfs_handle_t *hdl) | |
491 | { | |
492 | return (zfs_error(hdl, EZFS_NOMEM, "internal error")); | |
493 | } | |
494 | ||
495 | /* | |
496 | * A safe form of malloc() which will die if the allocation fails. | |
497 | */ | |
498 | void * | |
499 | zfs_alloc(libzfs_handle_t *hdl, size_t size) | |
500 | { | |
501 | void *data; | |
502 | ||
503 | if ((data = calloc(1, size)) == NULL) | |
504 | (void) no_memory(hdl); | |
505 | ||
506 | return (data); | |
507 | } | |
508 | ||
572e2857 BB |
509 | /* |
510 | * A safe form of asprintf() which will die if the allocation fails. | |
511 | */ | |
512 | /*PRINTFLIKE2*/ | |
513 | char * | |
514 | zfs_asprintf(libzfs_handle_t *hdl, const char *fmt, ...) | |
515 | { | |
516 | va_list ap; | |
517 | char *ret; | |
518 | int err; | |
519 | ||
520 | va_start(ap, fmt); | |
521 | ||
522 | err = vasprintf(&ret, fmt, ap); | |
523 | ||
524 | va_end(ap); | |
525 | ||
526 | if (err < 0) | |
527 | (void) no_memory(hdl); | |
528 | ||
529 | return (ret); | |
530 | } | |
531 | ||
34dc7c2f BB |
532 | /* |
533 | * A safe form of realloc(), which also zeroes newly allocated space. | |
534 | */ | |
535 | void * | |
536 | zfs_realloc(libzfs_handle_t *hdl, void *ptr, size_t oldsize, size_t newsize) | |
537 | { | |
538 | void *ret; | |
539 | ||
540 | if ((ret = realloc(ptr, newsize)) == NULL) { | |
541 | (void) no_memory(hdl); | |
34dc7c2f BB |
542 | return (NULL); |
543 | } | |
544 | ||
545 | bzero((char *)ret + oldsize, (newsize - oldsize)); | |
546 | return (ret); | |
547 | } | |
548 | ||
549 | /* | |
550 | * A safe form of strdup() which will die if the allocation fails. | |
551 | */ | |
552 | char * | |
553 | zfs_strdup(libzfs_handle_t *hdl, const char *str) | |
554 | { | |
555 | char *ret; | |
556 | ||
557 | if ((ret = strdup(str)) == NULL) | |
558 | (void) no_memory(hdl); | |
559 | ||
560 | return (ret); | |
561 | } | |
562 | ||
563 | /* | |
564 | * Convert a number to an appropriately human-readable output. | |
565 | */ | |
566 | void | |
567 | zfs_nicenum(uint64_t num, char *buf, size_t buflen) | |
568 | { | |
569 | uint64_t n = num; | |
570 | int index = 0; | |
571 | char u; | |
572 | ||
573 | while (n >= 1024) { | |
574 | n /= 1024; | |
575 | index++; | |
576 | } | |
577 | ||
578 | u = " KMGTPE"[index]; | |
579 | ||
580 | if (index == 0) { | |
b8864a23 | 581 | (void) snprintf(buf, buflen, "%llu", (u_longlong_t) n); |
34dc7c2f BB |
582 | } else if ((num & ((1ULL << 10 * index) - 1)) == 0) { |
583 | /* | |
584 | * If this is an even multiple of the base, always display | |
585 | * without any decimal precision. | |
586 | */ | |
b8864a23 | 587 | (void) snprintf(buf, buflen, "%llu%c", (u_longlong_t) n, u); |
34dc7c2f BB |
588 | } else { |
589 | /* | |
590 | * We want to choose a precision that reflects the best choice | |
591 | * for fitting in 5 characters. This can get rather tricky when | |
592 | * we have numbers that are very close to an order of magnitude. | |
593 | * For example, when displaying 10239 (which is really 9.999K), | |
594 | * we want only a single place of precision for 10.0K. We could | |
595 | * develop some complex heuristics for this, but it's much | |
596 | * easier just to try each combination in turn. | |
597 | */ | |
598 | int i; | |
599 | for (i = 2; i >= 0; i--) { | |
600 | if (snprintf(buf, buflen, "%.*f%c", i, | |
601 | (double)num / (1ULL << 10 * index), u) <= 5) | |
602 | break; | |
603 | } | |
604 | } | |
605 | } | |
606 | ||
607 | void | |
608 | libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr) | |
609 | { | |
610 | hdl->libzfs_printerr = printerr; | |
611 | } | |
612 | ||
4b1abce9 NB |
613 | static int |
614 | libzfs_module_loaded(const char *module) | |
615 | { | |
f09398ce ED |
616 | const char path_prefix[] = "/sys/module/"; |
617 | char path[256]; | |
618 | ||
619 | memcpy(path, path_prefix, sizeof(path_prefix) - 1); | |
620 | strcpy(path + sizeof(path_prefix) - 1, module); | |
4b1abce9 | 621 | |
f09398ce | 622 | return (access(path, F_OK) == 0); |
4b1abce9 NB |
623 | } |
624 | ||
feb46b92 | 625 | int |
9ac97c2a | 626 | libzfs_run_process(const char *path, char *argv[], int flags) |
4b1abce9 NB |
627 | { |
628 | pid_t pid; | |
3132cb39 | 629 | int rc, devnull_fd; |
4b1abce9 NB |
630 | |
631 | pid = vfork(); | |
632 | if (pid == 0) { | |
3132cb39 GB |
633 | devnull_fd = open("/dev/null", O_WRONLY); |
634 | ||
635 | if (devnull_fd < 0) | |
636 | _exit(-1); | |
637 | ||
9ac97c2a | 638 | if (!(flags & STDOUT_VERBOSE)) |
3132cb39 | 639 | (void) dup2(devnull_fd, STDOUT_FILENO); |
9ac97c2a BB |
640 | |
641 | if (!(flags & STDERR_VERBOSE)) | |
3132cb39 GB |
642 | (void) dup2(devnull_fd, STDERR_FILENO); |
643 | ||
644 | close(devnull_fd); | |
9ac97c2a | 645 | |
4b1abce9 NB |
646 | (void) execvp(path, argv); |
647 | _exit(-1); | |
648 | } else if (pid > 0) { | |
649 | int status; | |
650 | ||
651 | while ((rc = waitpid(pid, &status, 0)) == -1 && | |
652 | errno == EINTR); | |
653 | if (rc < 0 || !WIFEXITED(status)) | |
654 | return -1; | |
655 | ||
656 | return WEXITSTATUS(status); | |
657 | } | |
658 | ||
659 | return -1; | |
660 | } | |
661 | ||
feb46b92 | 662 | int |
4b1abce9 NB |
663 | libzfs_load_module(const char *module) |
664 | { | |
665 | char *argv[4] = {"/sbin/modprobe", "-q", (char *)module, (char *)0}; | |
666 | ||
667 | if (libzfs_module_loaded(module)) | |
668 | return 0; | |
feb46b92 | 669 | |
9ac97c2a | 670 | return libzfs_run_process("/sbin/modprobe", argv, 0); |
4b1abce9 NB |
671 | } |
672 | ||
34dc7c2f BB |
673 | libzfs_handle_t * |
674 | libzfs_init(void) | |
675 | { | |
676 | libzfs_handle_t *hdl; | |
677 | ||
4b1abce9 NB |
678 | if (libzfs_load_module("zfs") != 0) { |
679 | (void) fprintf(stderr, gettext("Failed to load ZFS module " | |
680 | "stack.\nLoad the module manually by running " | |
681 | "'insmod <location>/zfs.ko' as root.\n")); | |
682 | return (NULL); | |
683 | } | |
684 | ||
572e2857 | 685 | if ((hdl = calloc(1, sizeof (libzfs_handle_t))) == NULL) { |
34dc7c2f BB |
686 | return (NULL); |
687 | } | |
688 | ||
689 | if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) { | |
9b020fd9 BB |
690 | (void) fprintf(stderr, gettext("Unable to open %s: %s.\n"), |
691 | ZFS_DEV, strerror(errno)); | |
692 | if (errno == ENOENT) | |
693 | (void) fprintf(stderr, | |
694 | gettext("Verify the ZFS module stack is " | |
695 | "loaded by running '/sbin/modprobe zfs'.\n")); | |
696 | ||
34dc7c2f BB |
697 | free(hdl); |
698 | return (NULL); | |
699 | } | |
700 | ||
2eadf037 BB |
701 | #ifdef HAVE_SETMNTENT |
702 | if ((hdl->libzfs_mnttab = setmntent(MNTTAB, "r")) == NULL) { | |
703 | #else | |
34dc7c2f | 704 | if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) { |
2eadf037 | 705 | #endif |
34dc7c2f BB |
706 | (void) close(hdl->libzfs_fd); |
707 | free(hdl); | |
708 | return (NULL); | |
709 | } | |
710 | ||
711 | hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r"); | |
712 | ||
713 | zfs_prop_init(); | |
714 | zpool_prop_init(); | |
9ae529ec | 715 | zpool_feature_init(); |
9babb374 | 716 | libzfs_mnttab_init(hdl); |
34dc7c2f BB |
717 | |
718 | return (hdl); | |
719 | } | |
720 | ||
721 | void | |
722 | libzfs_fini(libzfs_handle_t *hdl) | |
723 | { | |
724 | (void) close(hdl->libzfs_fd); | |
725 | if (hdl->libzfs_mnttab) | |
2eadf037 BB |
726 | #ifdef HAVE_SETMNTENT |
727 | (void) endmntent(hdl->libzfs_mnttab); | |
728 | #else | |
34dc7c2f | 729 | (void) fclose(hdl->libzfs_mnttab); |
2eadf037 | 730 | #endif |
34dc7c2f BB |
731 | if (hdl->libzfs_sharetab) |
732 | (void) fclose(hdl->libzfs_sharetab); | |
733 | zfs_uninit_libshare(hdl); | |
734 | if (hdl->libzfs_log_str) | |
735 | (void) free(hdl->libzfs_log_str); | |
b128c09f | 736 | zpool_free_handles(hdl); |
428870ff | 737 | libzfs_fru_clear(hdl, B_TRUE); |
34dc7c2f | 738 | namespace_clear(hdl); |
9babb374 | 739 | libzfs_mnttab_fini(hdl); |
34dc7c2f BB |
740 | free(hdl); |
741 | } | |
742 | ||
743 | libzfs_handle_t * | |
744 | zpool_get_handle(zpool_handle_t *zhp) | |
745 | { | |
746 | return (zhp->zpool_hdl); | |
747 | } | |
748 | ||
749 | libzfs_handle_t * | |
750 | zfs_get_handle(zfs_handle_t *zhp) | |
751 | { | |
752 | return (zhp->zfs_hdl); | |
753 | } | |
754 | ||
b128c09f BB |
755 | zpool_handle_t * |
756 | zfs_get_pool_handle(const zfs_handle_t *zhp) | |
757 | { | |
758 | return (zhp->zpool_hdl); | |
759 | } | |
760 | ||
34dc7c2f BB |
761 | /* |
762 | * Given a name, determine whether or not it's a valid path | |
763 | * (starts with '/' or "./"). If so, walk the mnttab trying | |
764 | * to match the device number. If not, treat the path as an | |
765 | * fs/vol/snap name. | |
766 | */ | |
767 | zfs_handle_t * | |
768 | zfs_path_to_zhandle(libzfs_handle_t *hdl, char *path, zfs_type_t argtype) | |
769 | { | |
770 | struct stat64 statbuf; | |
771 | struct extmnttab entry; | |
772 | int ret; | |
773 | ||
774 | if (path[0] != '/' && strncmp(path, "./", strlen("./")) != 0) { | |
775 | /* | |
776 | * It's not a valid path, assume it's a name of type 'argtype'. | |
777 | */ | |
778 | return (zfs_open(hdl, path, argtype)); | |
779 | } | |
780 | ||
781 | if (stat64(path, &statbuf) != 0) { | |
782 | (void) fprintf(stderr, "%s: %s\n", path, strerror(errno)); | |
783 | return (NULL); | |
784 | } | |
785 | ||
786 | rewind(hdl->libzfs_mnttab); | |
787 | while ((ret = getextmntent(hdl->libzfs_mnttab, &entry, 0)) == 0) { | |
788 | if (makedevice(entry.mnt_major, entry.mnt_minor) == | |
789 | statbuf.st_dev) { | |
790 | break; | |
791 | } | |
792 | } | |
793 | if (ret != 0) { | |
794 | return (NULL); | |
795 | } | |
796 | ||
797 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { | |
798 | (void) fprintf(stderr, gettext("'%s': not a ZFS filesystem\n"), | |
799 | path); | |
800 | return (NULL); | |
801 | } | |
802 | ||
803 | return (zfs_open(hdl, entry.mnt_special, ZFS_TYPE_FILESYSTEM)); | |
804 | } | |
805 | ||
79e7242a | 806 | /* |
eac47204 BB |
807 | * Append partition suffix to an otherwise fully qualified device path. |
808 | * This is used to generate the name the full path as its stored in | |
809 | * ZPOOL_CONFIG_PATH for whole disk devices. On success the new length | |
810 | * of 'path' will be returned on error a negative value is returned. | |
79e7242a NB |
811 | */ |
812 | int | |
eac47204 BB |
813 | zfs_append_partition(char *path, size_t max_len) |
814 | { | |
815 | int len = strlen(path); | |
816 | ||
817 | if (strncmp(path, UDISK_ROOT, strlen(UDISK_ROOT)) == 0) { | |
818 | if (len + 6 >= max_len) | |
819 | return (-1); | |
820 | ||
821 | (void) strcat(path, "-part1"); | |
822 | len += 6; | |
823 | } else { | |
824 | if (len + 2 >= max_len) | |
825 | return (-1); | |
826 | ||
827 | if (isdigit(path[len-1])) { | |
828 | (void) strcat(path, "p1"); | |
829 | len += 2; | |
830 | } else { | |
831 | (void) strcat(path, "1"); | |
832 | len += 1; | |
833 | } | |
79e7242a | 834 | } |
b04c9fc0 | 835 | |
eac47204 | 836 | return (len); |
79e7242a NB |
837 | } |
838 | ||
839 | /* | |
eac47204 BB |
840 | * Given a shorthand device name check if a file by that name exists in any |
841 | * of the 'zpool_default_import_path' or ZPOOL_IMPORT_PATH directories. If | |
842 | * one is found, store its fully qualified path in the 'path' buffer passed | |
843 | * by the caller and return 0, otherwise return an error. | |
79e7242a | 844 | */ |
eac47204 BB |
845 | int |
846 | zfs_resolve_shortname(const char *name, char *path, size_t len) | |
79e7242a | 847 | { |
eac47204 BB |
848 | int i, error = -1; |
849 | char *dir, *env, *envdup; | |
850 | ||
851 | env = getenv("ZPOOL_IMPORT_PATH"); | |
852 | errno = ENOENT; | |
853 | ||
854 | if (env) { | |
855 | envdup = strdup(env); | |
856 | dir = strtok(envdup, ":"); | |
857 | while (dir && error) { | |
858 | (void) snprintf(path, len, "%s/%s", dir, name); | |
859 | error = access(path, F_OK); | |
860 | dir = strtok(NULL, ":"); | |
861 | } | |
862 | free(envdup); | |
863 | } else { | |
864 | for (i = 0; i < DEFAULT_IMPORT_PATH_SIZE && error < 0; i++) { | |
865 | (void) snprintf(path, len, "%s/%s", | |
866 | zpool_default_import_path[i], name); | |
867 | error = access(path, F_OK); | |
868 | } | |
869 | } | |
870 | ||
871 | return (error ? ENOENT : 0); | |
872 | } | |
873 | ||
874 | /* | |
875 | * Given a shorthand device name look for a match against 'cmp_name'. This | |
876 | * is done by checking all prefix expansions using either the default | |
877 | * 'zpool_default_import_paths' or the ZPOOL_IMPORT_PATH environment | |
878 | * variable. Proper partition suffixes will be appended if this is a | |
879 | * whole disk. When a match is found 0 is returned otherwise ENOENT. | |
880 | */ | |
881 | static int | |
882 | zfs_strcmp_shortname(char *name, char *cmp_name, int wholedisk) | |
883 | { | |
884 | int path_len, cmp_len, i = 0, error = ENOENT; | |
885 | char *dir, *env, *envdup = NULL; | |
886 | char path_name[MAXPATHLEN]; | |
887 | ||
888 | cmp_len = strlen(cmp_name); | |
889 | env = getenv("ZPOOL_IMPORT_PATH"); | |
890 | ||
891 | if (env) { | |
892 | envdup = strdup(env); | |
893 | dir = strtok(envdup, ":"); | |
894 | } else { | |
895 | dir = zpool_default_import_path[i]; | |
896 | } | |
897 | ||
898 | while (dir) { | |
899 | /* Trim trailing directory slashes from ZPOOL_IMPORT_PATH */ | |
900 | while (dir[strlen(dir)-1] == '/') | |
901 | dir[strlen(dir)-1] = '\0'; | |
902 | ||
903 | path_len = snprintf(path_name, MAXPATHLEN, "%s/%s", dir, name); | |
904 | if (wholedisk) | |
905 | path_len = zfs_append_partition(path_name, MAXPATHLEN); | |
906 | ||
907 | if ((path_len == cmp_len) && !strcmp(path_name, cmp_name)) { | |
908 | error = 0; | |
909 | break; | |
910 | } | |
911 | ||
912 | if (env) { | |
913 | dir = strtok(NULL, ":"); | |
914 | } else if (++i < DEFAULT_IMPORT_PATH_SIZE) { | |
915 | dir = zpool_default_import_path[i]; | |
916 | } else { | |
917 | dir = NULL; | |
918 | } | |
919 | } | |
920 | ||
921 | if (env) | |
922 | free(envdup); | |
923 | ||
924 | return (error); | |
925 | } | |
926 | ||
927 | /* | |
928 | * Given either a shorthand or fully qualified path name look for a match | |
929 | * against 'cmp'. The passed name will be expanded as needed for comparison | |
930 | * purposes and redundant slashes stripped to ensure an accurate match. | |
931 | */ | |
932 | int | |
933 | zfs_strcmp_pathname(char *name, char *cmp, int wholedisk) | |
934 | { | |
935 | int path_len, cmp_len; | |
936 | char path_name[MAXPATHLEN]; | |
937 | char cmp_name[MAXPATHLEN]; | |
938 | char *dir; | |
939 | ||
940 | /* Strip redundant slashes if one exists due to ZPOOL_IMPORT_PATH */ | |
941 | memset(cmp_name, 0, MAXPATHLEN); | |
942 | dir = strtok(cmp, "/"); | |
943 | while (dir) { | |
944 | strcat(cmp_name, "/"); | |
945 | strcat(cmp_name, dir); | |
946 | dir = strtok(NULL, "/"); | |
947 | } | |
948 | ||
949 | if (name[0] != '/') | |
950 | return zfs_strcmp_shortname(name, cmp_name, wholedisk); | |
951 | ||
952 | strncpy(path_name, name, MAXPATHLEN); | |
953 | path_len = strlen(path_name); | |
954 | cmp_len = strlen(cmp_name); | |
955 | ||
956 | if (wholedisk) { | |
957 | path_len = zfs_append_partition(path_name, MAXPATHLEN); | |
958 | if (path_len == -1) | |
959 | return (ENOMEM); | |
960 | } | |
961 | ||
962 | if ((path_len != cmp_len) || strcmp(path_name, cmp_name)) | |
963 | return (ENOENT); | |
964 | ||
965 | return (0); | |
79e7242a NB |
966 | } |
967 | ||
34dc7c2f BB |
968 | /* |
969 | * Initialize the zc_nvlist_dst member to prepare for receiving an nvlist from | |
970 | * an ioctl(). | |
971 | */ | |
972 | int | |
973 | zcmd_alloc_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, size_t len) | |
974 | { | |
975 | if (len == 0) | |
572e2857 | 976 | len = 16 * 1024; |
34dc7c2f BB |
977 | zc->zc_nvlist_dst_size = len; |
978 | if ((zc->zc_nvlist_dst = (uint64_t)(uintptr_t) | |
b8864a23 | 979 | zfs_alloc(hdl, zc->zc_nvlist_dst_size)) == 0) |
34dc7c2f BB |
980 | return (-1); |
981 | ||
982 | return (0); | |
983 | } | |
984 | ||
985 | /* | |
986 | * Called when an ioctl() which returns an nvlist fails with ENOMEM. This will | |
987 | * expand the nvlist to the size specified in 'zc_nvlist_dst_size', which was | |
988 | * filled in by the kernel to indicate the actual required size. | |
989 | */ | |
990 | int | |
991 | zcmd_expand_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc) | |
992 | { | |
993 | free((void *)(uintptr_t)zc->zc_nvlist_dst); | |
994 | if ((zc->zc_nvlist_dst = (uint64_t)(uintptr_t) | |
b8864a23 | 995 | zfs_alloc(hdl, zc->zc_nvlist_dst_size)) == 0) |
34dc7c2f BB |
996 | return (-1); |
997 | ||
998 | return (0); | |
999 | } | |
1000 | ||
1001 | /* | |
1002 | * Called to free the src and dst nvlists stored in the command structure. | |
1003 | */ | |
1004 | void | |
1005 | zcmd_free_nvlists(zfs_cmd_t *zc) | |
1006 | { | |
1007 | free((void *)(uintptr_t)zc->zc_nvlist_conf); | |
1008 | free((void *)(uintptr_t)zc->zc_nvlist_src); | |
1009 | free((void *)(uintptr_t)zc->zc_nvlist_dst); | |
1010 | } | |
1011 | ||
1012 | static int | |
1013 | zcmd_write_nvlist_com(libzfs_handle_t *hdl, uint64_t *outnv, uint64_t *outlen, | |
1014 | nvlist_t *nvl) | |
1015 | { | |
1016 | char *packed; | |
1017 | size_t len; | |
1018 | ||
1019 | verify(nvlist_size(nvl, &len, NV_ENCODE_NATIVE) == 0); | |
1020 | ||
1021 | if ((packed = zfs_alloc(hdl, len)) == NULL) | |
1022 | return (-1); | |
1023 | ||
1024 | verify(nvlist_pack(nvl, &packed, &len, NV_ENCODE_NATIVE, 0) == 0); | |
1025 | ||
1026 | *outnv = (uint64_t)(uintptr_t)packed; | |
1027 | *outlen = len; | |
1028 | ||
1029 | return (0); | |
1030 | } | |
1031 | ||
1032 | int | |
1033 | zcmd_write_conf_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) | |
1034 | { | |
1035 | return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_conf, | |
1036 | &zc->zc_nvlist_conf_size, nvl)); | |
1037 | } | |
1038 | ||
1039 | int | |
1040 | zcmd_write_src_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) | |
1041 | { | |
1042 | return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_src, | |
1043 | &zc->zc_nvlist_src_size, nvl)); | |
1044 | } | |
1045 | ||
1046 | /* | |
1047 | * Unpacks an nvlist from the ZFS ioctl command structure. | |
1048 | */ | |
1049 | int | |
1050 | zcmd_read_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t **nvlp) | |
1051 | { | |
1052 | if (nvlist_unpack((void *)(uintptr_t)zc->zc_nvlist_dst, | |
1053 | zc->zc_nvlist_dst_size, nvlp, 0) != 0) | |
1054 | return (no_memory(hdl)); | |
1055 | ||
1056 | return (0); | |
1057 | } | |
1058 | ||
1059 | int | |
1060 | zfs_ioctl(libzfs_handle_t *hdl, int request, zfs_cmd_t *zc) | |
1061 | { | |
1062 | int error; | |
1063 | ||
1064 | zc->zc_history = (uint64_t)(uintptr_t)hdl->libzfs_log_str; | |
1065 | error = ioctl(hdl->libzfs_fd, request, zc); | |
1066 | if (hdl->libzfs_log_str) { | |
1067 | free(hdl->libzfs_log_str); | |
1068 | hdl->libzfs_log_str = NULL; | |
1069 | } | |
1070 | zc->zc_history = 0; | |
1071 | ||
1072 | return (error); | |
1073 | } | |
1074 | ||
1075 | /* | |
1076 | * ================================================================ | |
1077 | * API shared by zfs and zpool property management | |
1078 | * ================================================================ | |
1079 | */ | |
1080 | ||
1081 | static void | |
1082 | zprop_print_headers(zprop_get_cbdata_t *cbp, zfs_type_t type) | |
1083 | { | |
1084 | zprop_list_t *pl = cbp->cb_proplist; | |
1085 | int i; | |
1086 | char *title; | |
1087 | size_t len; | |
1088 | ||
1089 | cbp->cb_first = B_FALSE; | |
1090 | if (cbp->cb_scripted) | |
1091 | return; | |
1092 | ||
1093 | /* | |
1094 | * Start with the length of the column headers. | |
1095 | */ | |
1096 | cbp->cb_colwidths[GET_COL_NAME] = strlen(dgettext(TEXT_DOMAIN, "NAME")); | |
1097 | cbp->cb_colwidths[GET_COL_PROPERTY] = strlen(dgettext(TEXT_DOMAIN, | |
1098 | "PROPERTY")); | |
1099 | cbp->cb_colwidths[GET_COL_VALUE] = strlen(dgettext(TEXT_DOMAIN, | |
1100 | "VALUE")); | |
428870ff BB |
1101 | cbp->cb_colwidths[GET_COL_RECVD] = strlen(dgettext(TEXT_DOMAIN, |
1102 | "RECEIVED")); | |
34dc7c2f BB |
1103 | cbp->cb_colwidths[GET_COL_SOURCE] = strlen(dgettext(TEXT_DOMAIN, |
1104 | "SOURCE")); | |
1105 | ||
fb5f0bc8 BB |
1106 | /* first property is always NAME */ |
1107 | assert(cbp->cb_proplist->pl_prop == | |
1108 | ((type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : ZFS_PROP_NAME)); | |
1109 | ||
34dc7c2f BB |
1110 | /* |
1111 | * Go through and calculate the widths for each column. For the | |
1112 | * 'source' column, we kludge it up by taking the worst-case scenario of | |
1113 | * inheriting from the longest name. This is acceptable because in the | |
1114 | * majority of cases 'SOURCE' is the last column displayed, and we don't | |
1115 | * use the width anyway. Note that the 'VALUE' column can be oversized, | |
428870ff | 1116 | * if the name of the property is much longer than any values we find. |
34dc7c2f BB |
1117 | */ |
1118 | for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { | |
1119 | /* | |
1120 | * 'PROPERTY' column | |
1121 | */ | |
1122 | if (pl->pl_prop != ZPROP_INVAL) { | |
1123 | const char *propname = (type == ZFS_TYPE_POOL) ? | |
1124 | zpool_prop_to_name(pl->pl_prop) : | |
1125 | zfs_prop_to_name(pl->pl_prop); | |
1126 | ||
1127 | len = strlen(propname); | |
1128 | if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) | |
1129 | cbp->cb_colwidths[GET_COL_PROPERTY] = len; | |
1130 | } else { | |
1131 | len = strlen(pl->pl_user_prop); | |
1132 | if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) | |
1133 | cbp->cb_colwidths[GET_COL_PROPERTY] = len; | |
1134 | } | |
1135 | ||
1136 | /* | |
fb5f0bc8 BB |
1137 | * 'VALUE' column. The first property is always the 'name' |
1138 | * property that was tacked on either by /sbin/zfs's | |
1139 | * zfs_do_get() or when calling zprop_expand_list(), so we | |
1140 | * ignore its width. If the user specified the name property | |
1141 | * to display, then it will be later in the list in any case. | |
34dc7c2f | 1142 | */ |
fb5f0bc8 | 1143 | if (pl != cbp->cb_proplist && |
34dc7c2f BB |
1144 | pl->pl_width > cbp->cb_colwidths[GET_COL_VALUE]) |
1145 | cbp->cb_colwidths[GET_COL_VALUE] = pl->pl_width; | |
1146 | ||
428870ff BB |
1147 | /* 'RECEIVED' column. */ |
1148 | if (pl != cbp->cb_proplist && | |
1149 | pl->pl_recvd_width > cbp->cb_colwidths[GET_COL_RECVD]) | |
1150 | cbp->cb_colwidths[GET_COL_RECVD] = pl->pl_recvd_width; | |
1151 | ||
34dc7c2f BB |
1152 | /* |
1153 | * 'NAME' and 'SOURCE' columns | |
1154 | */ | |
1155 | if (pl->pl_prop == (type == ZFS_TYPE_POOL ? ZPOOL_PROP_NAME : | |
1156 | ZFS_PROP_NAME) && | |
1157 | pl->pl_width > cbp->cb_colwidths[GET_COL_NAME]) { | |
1158 | cbp->cb_colwidths[GET_COL_NAME] = pl->pl_width; | |
1159 | cbp->cb_colwidths[GET_COL_SOURCE] = pl->pl_width + | |
1160 | strlen(dgettext(TEXT_DOMAIN, "inherited from")); | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | /* | |
1165 | * Now go through and print the headers. | |
1166 | */ | |
428870ff | 1167 | for (i = 0; i < ZFS_GET_NCOLS; i++) { |
34dc7c2f BB |
1168 | switch (cbp->cb_columns[i]) { |
1169 | case GET_COL_NAME: | |
1170 | title = dgettext(TEXT_DOMAIN, "NAME"); | |
1171 | break; | |
1172 | case GET_COL_PROPERTY: | |
1173 | title = dgettext(TEXT_DOMAIN, "PROPERTY"); | |
1174 | break; | |
1175 | case GET_COL_VALUE: | |
1176 | title = dgettext(TEXT_DOMAIN, "VALUE"); | |
1177 | break; | |
428870ff BB |
1178 | case GET_COL_RECVD: |
1179 | title = dgettext(TEXT_DOMAIN, "RECEIVED"); | |
1180 | break; | |
34dc7c2f BB |
1181 | case GET_COL_SOURCE: |
1182 | title = dgettext(TEXT_DOMAIN, "SOURCE"); | |
1183 | break; | |
1184 | default: | |
1185 | title = NULL; | |
1186 | } | |
1187 | ||
1188 | if (title != NULL) { | |
428870ff BB |
1189 | if (i == (ZFS_GET_NCOLS - 1) || |
1190 | cbp->cb_columns[i + 1] == GET_COL_NONE) | |
34dc7c2f BB |
1191 | (void) printf("%s", title); |
1192 | else | |
1193 | (void) printf("%-*s ", | |
1194 | cbp->cb_colwidths[cbp->cb_columns[i]], | |
1195 | title); | |
1196 | } | |
1197 | } | |
1198 | (void) printf("\n"); | |
1199 | } | |
1200 | ||
1201 | /* | |
1202 | * Display a single line of output, according to the settings in the callback | |
1203 | * structure. | |
1204 | */ | |
1205 | void | |
1206 | zprop_print_one_property(const char *name, zprop_get_cbdata_t *cbp, | |
1207 | const char *propname, const char *value, zprop_source_t sourcetype, | |
428870ff | 1208 | const char *source, const char *recvd_value) |
34dc7c2f BB |
1209 | { |
1210 | int i; | |
d4ed6673 | 1211 | const char *str = NULL; |
34dc7c2f BB |
1212 | char buf[128]; |
1213 | ||
1214 | /* | |
1215 | * Ignore those source types that the user has chosen to ignore. | |
1216 | */ | |
1217 | if ((sourcetype & cbp->cb_sources) == 0) | |
1218 | return; | |
1219 | ||
1220 | if (cbp->cb_first) | |
1221 | zprop_print_headers(cbp, cbp->cb_type); | |
1222 | ||
428870ff | 1223 | for (i = 0; i < ZFS_GET_NCOLS; i++) { |
34dc7c2f BB |
1224 | switch (cbp->cb_columns[i]) { |
1225 | case GET_COL_NAME: | |
1226 | str = name; | |
1227 | break; | |
1228 | ||
1229 | case GET_COL_PROPERTY: | |
1230 | str = propname; | |
1231 | break; | |
1232 | ||
1233 | case GET_COL_VALUE: | |
1234 | str = value; | |
1235 | break; | |
1236 | ||
1237 | case GET_COL_SOURCE: | |
1238 | switch (sourcetype) { | |
1239 | case ZPROP_SRC_NONE: | |
1240 | str = "-"; | |
1241 | break; | |
1242 | ||
1243 | case ZPROP_SRC_DEFAULT: | |
1244 | str = "default"; | |
1245 | break; | |
1246 | ||
1247 | case ZPROP_SRC_LOCAL: | |
1248 | str = "local"; | |
1249 | break; | |
1250 | ||
1251 | case ZPROP_SRC_TEMPORARY: | |
1252 | str = "temporary"; | |
1253 | break; | |
1254 | ||
1255 | case ZPROP_SRC_INHERITED: | |
1256 | (void) snprintf(buf, sizeof (buf), | |
1257 | "inherited from %s", source); | |
1258 | str = buf; | |
1259 | break; | |
428870ff BB |
1260 | case ZPROP_SRC_RECEIVED: |
1261 | str = "received"; | |
1262 | break; | |
34dc7c2f BB |
1263 | } |
1264 | break; | |
1265 | ||
428870ff BB |
1266 | case GET_COL_RECVD: |
1267 | str = (recvd_value == NULL ? "-" : recvd_value); | |
1268 | break; | |
1269 | ||
34dc7c2f BB |
1270 | default: |
1271 | continue; | |
1272 | } | |
1273 | ||
428870ff | 1274 | if (cbp->cb_columns[i + 1] == GET_COL_NONE) |
34dc7c2f BB |
1275 | (void) printf("%s", str); |
1276 | else if (cbp->cb_scripted) | |
1277 | (void) printf("%s\t", str); | |
1278 | else | |
1279 | (void) printf("%-*s ", | |
1280 | cbp->cb_colwidths[cbp->cb_columns[i]], | |
1281 | str); | |
34dc7c2f BB |
1282 | } |
1283 | ||
1284 | (void) printf("\n"); | |
1285 | } | |
1286 | ||
1287 | /* | |
1288 | * Given a numeric suffix, convert the value into a number of bits that the | |
1289 | * resulting value must be shifted. | |
1290 | */ | |
1291 | static int | |
1292 | str2shift(libzfs_handle_t *hdl, const char *buf) | |
1293 | { | |
1294 | const char *ends = "BKMGTPEZ"; | |
1295 | int i; | |
1296 | ||
1297 | if (buf[0] == '\0') | |
1298 | return (0); | |
1299 | for (i = 0; i < strlen(ends); i++) { | |
1300 | if (toupper(buf[0]) == ends[i]) | |
1301 | break; | |
1302 | } | |
1303 | if (i == strlen(ends)) { | |
53c2ec1d JL |
1304 | if (hdl) |
1305 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1306 | "invalid numeric suffix '%s'"), buf); | |
34dc7c2f BB |
1307 | return (-1); |
1308 | } | |
1309 | ||
1310 | /* | |
826ab7ad RL |
1311 | * Allow 'G' = 'GB' = 'GiB', case-insensitively. |
1312 | * However, 'BB' and 'BiB' are disallowed. | |
34dc7c2f | 1313 | */ |
826ab7ad RL |
1314 | if (buf[1] == '\0' || |
1315 | (toupper(buf[0]) != 'B' && | |
1316 | ((toupper(buf[1]) == 'B' && buf[2] == '\0') || | |
1317 | (toupper(buf[1]) == 'I' && toupper(buf[2]) == 'B' && | |
1318 | buf[3] == '\0')))) | |
34dc7c2f BB |
1319 | return (10*i); |
1320 | ||
53c2ec1d JL |
1321 | if (hdl) |
1322 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1323 | "invalid numeric suffix '%s'"), buf); | |
34dc7c2f BB |
1324 | return (-1); |
1325 | } | |
1326 | ||
1327 | /* | |
1328 | * Convert a string of the form '100G' into a real number. Used when setting | |
1329 | * properties or creating a volume. 'buf' is used to place an extended error | |
1330 | * message for the caller to use. | |
1331 | */ | |
1332 | int | |
1333 | zfs_nicestrtonum(libzfs_handle_t *hdl, const char *value, uint64_t *num) | |
1334 | { | |
1335 | char *end; | |
1336 | int shift; | |
1337 | ||
1338 | *num = 0; | |
1339 | ||
1340 | /* Check to see if this looks like a number. */ | |
1341 | if ((value[0] < '0' || value[0] > '9') && value[0] != '.') { | |
1342 | if (hdl) | |
1343 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1344 | "bad numeric value '%s'"), value); | |
1345 | return (-1); | |
1346 | } | |
1347 | ||
428870ff | 1348 | /* Rely on strtoull() to process the numeric portion. */ |
34dc7c2f | 1349 | errno = 0; |
d164b209 | 1350 | *num = strtoull(value, &end, 10); |
34dc7c2f BB |
1351 | |
1352 | /* | |
1353 | * Check for ERANGE, which indicates that the value is too large to fit | |
1354 | * in a 64-bit value. | |
1355 | */ | |
1356 | if (errno == ERANGE) { | |
1357 | if (hdl) | |
1358 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1359 | "numeric value is too large")); | |
1360 | return (-1); | |
1361 | } | |
1362 | ||
1363 | /* | |
1364 | * If we have a decimal value, then do the computation with floating | |
1365 | * point arithmetic. Otherwise, use standard arithmetic. | |
1366 | */ | |
1367 | if (*end == '.') { | |
1368 | double fval = strtod(value, &end); | |
1369 | ||
1370 | if ((shift = str2shift(hdl, end)) == -1) | |
1371 | return (-1); | |
1372 | ||
1373 | fval *= pow(2, shift); | |
1374 | ||
1375 | if (fval > UINT64_MAX) { | |
1376 | if (hdl) | |
1377 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1378 | "numeric value is too large")); | |
1379 | return (-1); | |
1380 | } | |
1381 | ||
1382 | *num = (uint64_t)fval; | |
1383 | } else { | |
1384 | if ((shift = str2shift(hdl, end)) == -1) | |
1385 | return (-1); | |
1386 | ||
1387 | /* Check for overflow */ | |
1388 | if (shift >= 64 || (*num << shift) >> shift != *num) { | |
1389 | if (hdl) | |
1390 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1391 | "numeric value is too large")); | |
1392 | return (-1); | |
1393 | } | |
1394 | ||
1395 | *num <<= shift; | |
1396 | } | |
1397 | ||
1398 | return (0); | |
1399 | } | |
1400 | ||
1401 | /* | |
1402 | * Given a propname=value nvpair to set, parse any numeric properties | |
1403 | * (index, boolean, etc) if they are specified as strings and add the | |
1404 | * resulting nvpair to the returned nvlist. | |
1405 | * | |
1406 | * At the DSL layer, all properties are either 64-bit numbers or strings. | |
1407 | * We want the user to be able to ignore this fact and specify properties | |
1408 | * as native values (numbers, for example) or as strings (to simplify | |
1409 | * command line utilities). This also handles converting index types | |
1410 | * (compression, checksum, etc) from strings to their on-disk index. | |
1411 | */ | |
1412 | int | |
1413 | zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop, | |
1414 | zfs_type_t type, nvlist_t *ret, char **svalp, uint64_t *ivalp, | |
1415 | const char *errbuf) | |
1416 | { | |
1417 | data_type_t datatype = nvpair_type(elem); | |
1418 | zprop_type_t proptype; | |
1419 | const char *propname; | |
1420 | char *value; | |
1421 | boolean_t isnone = B_FALSE; | |
1422 | ||
1423 | if (type == ZFS_TYPE_POOL) { | |
1424 | proptype = zpool_prop_get_type(prop); | |
1425 | propname = zpool_prop_to_name(prop); | |
1426 | } else { | |
1427 | proptype = zfs_prop_get_type(prop); | |
1428 | propname = zfs_prop_to_name(prop); | |
1429 | } | |
1430 | ||
1431 | /* | |
1432 | * Convert any properties to the internal DSL value types. | |
1433 | */ | |
1434 | *svalp = NULL; | |
1435 | *ivalp = 0; | |
1436 | ||
1437 | switch (proptype) { | |
1438 | case PROP_TYPE_STRING: | |
1439 | if (datatype != DATA_TYPE_STRING) { | |
1440 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1441 | "'%s' must be a string"), nvpair_name(elem)); | |
1442 | goto error; | |
1443 | } | |
1444 | (void) nvpair_value_string(elem, svalp); | |
1445 | if (strlen(*svalp) >= ZFS_MAXPROPLEN) { | |
1446 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1447 | "'%s' is too long"), nvpair_name(elem)); | |
1448 | goto error; | |
1449 | } | |
1450 | break; | |
1451 | ||
1452 | case PROP_TYPE_NUMBER: | |
1453 | if (datatype == DATA_TYPE_STRING) { | |
1454 | (void) nvpair_value_string(elem, &value); | |
1455 | if (strcmp(value, "none") == 0) { | |
1456 | isnone = B_TRUE; | |
1457 | } else if (zfs_nicestrtonum(hdl, value, ivalp) | |
1458 | != 0) { | |
1459 | goto error; | |
1460 | } | |
1461 | } else if (datatype == DATA_TYPE_UINT64) { | |
1462 | (void) nvpair_value_uint64(elem, ivalp); | |
1463 | } else { | |
1464 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1465 | "'%s' must be a number"), nvpair_name(elem)); | |
1466 | goto error; | |
1467 | } | |
1468 | ||
1469 | /* | |
1470 | * Quota special: force 'none' and don't allow 0. | |
1471 | */ | |
1472 | if ((type & ZFS_TYPE_DATASET) && *ivalp == 0 && !isnone && | |
1473 | (prop == ZFS_PROP_QUOTA || prop == ZFS_PROP_REFQUOTA)) { | |
1474 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1475 | "use 'none' to disable quota/refquota")); | |
1476 | goto error; | |
1477 | } | |
1478 | break; | |
1479 | ||
1480 | case PROP_TYPE_INDEX: | |
1481 | if (datatype != DATA_TYPE_STRING) { | |
1482 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1483 | "'%s' must be a string"), nvpair_name(elem)); | |
1484 | goto error; | |
1485 | } | |
1486 | ||
1487 | (void) nvpair_value_string(elem, &value); | |
1488 | ||
1489 | if (zprop_string_to_index(prop, value, ivalp, type) != 0) { | |
1490 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1491 | "'%s' must be one of '%s'"), propname, | |
1492 | zprop_values(prop, type)); | |
1493 | goto error; | |
1494 | } | |
1495 | break; | |
1496 | ||
1497 | default: | |
1498 | abort(); | |
1499 | } | |
1500 | ||
1501 | /* | |
1502 | * Add the result to our return set of properties. | |
1503 | */ | |
1504 | if (*svalp != NULL) { | |
1505 | if (nvlist_add_string(ret, propname, *svalp) != 0) { | |
1506 | (void) no_memory(hdl); | |
1507 | return (-1); | |
1508 | } | |
1509 | } else { | |
1510 | if (nvlist_add_uint64(ret, propname, *ivalp) != 0) { | |
1511 | (void) no_memory(hdl); | |
1512 | return (-1); | |
1513 | } | |
1514 | } | |
1515 | ||
1516 | return (0); | |
1517 | error: | |
1518 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1519 | return (-1); | |
1520 | } | |
1521 | ||
b128c09f BB |
1522 | static int |
1523 | addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp, | |
1524 | zfs_type_t type) | |
1525 | { | |
1526 | int prop; | |
1527 | zprop_list_t *entry; | |
1528 | ||
1529 | prop = zprop_name_to_prop(propname, type); | |
1530 | ||
1531 | if (prop != ZPROP_INVAL && !zprop_valid_for_type(prop, type)) | |
1532 | prop = ZPROP_INVAL; | |
1533 | ||
1534 | /* | |
1535 | * When no property table entry can be found, return failure if | |
1536 | * this is a pool property or if this isn't a user-defined | |
1537 | * dataset property, | |
1538 | */ | |
9ae529ec CS |
1539 | if (prop == ZPROP_INVAL && ((type == ZFS_TYPE_POOL && |
1540 | !zpool_prop_feature(propname) && | |
1541 | !zpool_prop_unsupported(propname)) || | |
1542 | (type == ZFS_TYPE_DATASET && !zfs_prop_user(propname) && | |
1543 | !zfs_prop_userquota(propname) && !zfs_prop_written(propname)))) { | |
b128c09f BB |
1544 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
1545 | "invalid property '%s'"), propname); | |
1546 | return (zfs_error(hdl, EZFS_BADPROP, | |
1547 | dgettext(TEXT_DOMAIN, "bad property list"))); | |
1548 | } | |
1549 | ||
1550 | if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) | |
1551 | return (-1); | |
1552 | ||
1553 | entry->pl_prop = prop; | |
1554 | if (prop == ZPROP_INVAL) { | |
9ae529ec CS |
1555 | if ((entry->pl_user_prop = zfs_strdup(hdl, propname)) == |
1556 | NULL) { | |
b128c09f BB |
1557 | free(entry); |
1558 | return (-1); | |
1559 | } | |
1560 | entry->pl_width = strlen(propname); | |
1561 | } else { | |
1562 | entry->pl_width = zprop_width(prop, &entry->pl_fixed, | |
1563 | type); | |
1564 | } | |
1565 | ||
1566 | *listp = entry; | |
1567 | ||
1568 | return (0); | |
1569 | } | |
1570 | ||
34dc7c2f BB |
1571 | /* |
1572 | * Given a comma-separated list of properties, construct a property list | |
1573 | * containing both user-defined and native properties. This function will | |
1574 | * return a NULL list if 'all' is specified, which can later be expanded | |
1575 | * by zprop_expand_list(). | |
1576 | */ | |
1577 | int | |
1578 | zprop_get_list(libzfs_handle_t *hdl, char *props, zprop_list_t **listp, | |
1579 | zfs_type_t type) | |
1580 | { | |
34dc7c2f | 1581 | *listp = NULL; |
34dc7c2f BB |
1582 | |
1583 | /* | |
1584 | * If 'all' is specified, return a NULL list. | |
1585 | */ | |
1586 | if (strcmp(props, "all") == 0) | |
1587 | return (0); | |
1588 | ||
1589 | /* | |
1590 | * If no props were specified, return an error. | |
1591 | */ | |
1592 | if (props[0] == '\0') { | |
1593 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1594 | "no properties specified")); | |
1595 | return (zfs_error(hdl, EZFS_BADPROP, dgettext(TEXT_DOMAIN, | |
1596 | "bad property list"))); | |
1597 | } | |
1598 | ||
1599 | /* | |
1600 | * It would be nice to use getsubopt() here, but the inclusion of column | |
1601 | * aliases makes this more effort than it's worth. | |
1602 | */ | |
b128c09f BB |
1603 | while (*props != '\0') { |
1604 | size_t len; | |
1605 | char *p; | |
1606 | char c; | |
1607 | ||
1608 | if ((p = strchr(props, ',')) == NULL) { | |
1609 | len = strlen(props); | |
1610 | p = props + len; | |
34dc7c2f | 1611 | } else { |
b128c09f | 1612 | len = p - props; |
34dc7c2f BB |
1613 | } |
1614 | ||
1615 | /* | |
1616 | * Check for empty options. | |
1617 | */ | |
1618 | if (len == 0) { | |
1619 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1620 | "empty property name")); | |
1621 | return (zfs_error(hdl, EZFS_BADPROP, | |
1622 | dgettext(TEXT_DOMAIN, "bad property list"))); | |
1623 | } | |
1624 | ||
1625 | /* | |
1626 | * Check all regular property names. | |
1627 | */ | |
b128c09f BB |
1628 | c = props[len]; |
1629 | props[len] = '\0'; | |
1630 | ||
1631 | if (strcmp(props, "space") == 0) { | |
1632 | static char *spaceprops[] = { | |
1633 | "name", "avail", "used", "usedbysnapshots", | |
1634 | "usedbydataset", "usedbyrefreservation", | |
1635 | "usedbychildren", NULL | |
1636 | }; | |
1637 | int i; | |
1638 | ||
1639 | for (i = 0; spaceprops[i]; i++) { | |
1640 | if (addlist(hdl, spaceprops[i], listp, type)) | |
1641 | return (-1); | |
1642 | listp = &(*listp)->pl_next; | |
34dc7c2f | 1643 | } |
34dc7c2f | 1644 | } else { |
b128c09f BB |
1645 | if (addlist(hdl, props, listp, type)) |
1646 | return (-1); | |
1647 | listp = &(*listp)->pl_next; | |
34dc7c2f BB |
1648 | } |
1649 | ||
b128c09f | 1650 | props = p; |
34dc7c2f | 1651 | if (c == ',') |
b128c09f | 1652 | props++; |
34dc7c2f BB |
1653 | } |
1654 | ||
1655 | return (0); | |
1656 | } | |
1657 | ||
1658 | void | |
1659 | zprop_free_list(zprop_list_t *pl) | |
1660 | { | |
1661 | zprop_list_t *next; | |
1662 | ||
1663 | while (pl != NULL) { | |
1664 | next = pl->pl_next; | |
1665 | free(pl->pl_user_prop); | |
1666 | free(pl); | |
1667 | pl = next; | |
1668 | } | |
1669 | } | |
1670 | ||
1671 | typedef struct expand_data { | |
1672 | zprop_list_t **last; | |
1673 | libzfs_handle_t *hdl; | |
1674 | zfs_type_t type; | |
1675 | } expand_data_t; | |
1676 | ||
1677 | int | |
1678 | zprop_expand_list_cb(int prop, void *cb) | |
1679 | { | |
1680 | zprop_list_t *entry; | |
1681 | expand_data_t *edp = cb; | |
1682 | ||
1683 | if ((entry = zfs_alloc(edp->hdl, sizeof (zprop_list_t))) == NULL) | |
1684 | return (ZPROP_INVAL); | |
1685 | ||
1686 | entry->pl_prop = prop; | |
1687 | entry->pl_width = zprop_width(prop, &entry->pl_fixed, edp->type); | |
1688 | entry->pl_all = B_TRUE; | |
1689 | ||
1690 | *(edp->last) = entry; | |
1691 | edp->last = &entry->pl_next; | |
1692 | ||
1693 | return (ZPROP_CONT); | |
1694 | } | |
1695 | ||
1696 | int | |
1697 | zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type) | |
1698 | { | |
1699 | zprop_list_t *entry; | |
1700 | zprop_list_t **last; | |
1701 | expand_data_t exp; | |
1702 | ||
1703 | if (*plp == NULL) { | |
1704 | /* | |
1705 | * If this is the very first time we've been called for an 'all' | |
1706 | * specification, expand the list to include all native | |
1707 | * properties. | |
1708 | */ | |
1709 | last = plp; | |
1710 | ||
1711 | exp.last = last; | |
1712 | exp.hdl = hdl; | |
1713 | exp.type = type; | |
1714 | ||
1715 | if (zprop_iter_common(zprop_expand_list_cb, &exp, B_FALSE, | |
1716 | B_FALSE, type) == ZPROP_INVAL) | |
1717 | return (-1); | |
1718 | ||
1719 | /* | |
1720 | * Add 'name' to the beginning of the list, which is handled | |
1721 | * specially. | |
1722 | */ | |
1723 | if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) | |
1724 | return (-1); | |
1725 | ||
1726 | entry->pl_prop = (type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : | |
1727 | ZFS_PROP_NAME; | |
1728 | entry->pl_width = zprop_width(entry->pl_prop, | |
1729 | &entry->pl_fixed, type); | |
1730 | entry->pl_all = B_TRUE; | |
1731 | entry->pl_next = *plp; | |
1732 | *plp = entry; | |
1733 | } | |
1734 | return (0); | |
1735 | } | |
1736 | ||
1737 | int | |
1738 | zprop_iter(zprop_func func, void *cb, boolean_t show_all, boolean_t ordered, | |
1739 | zfs_type_t type) | |
1740 | { | |
1741 | return (zprop_iter_common(func, cb, show_all, ordered, type)); | |
1742 | } |