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Avoid small buffer copying on write
[zfs.git] / tests / zfs-tests / cmd / libzfs_input_check / libzfs_input_check.c
blobb671af7d8f42870e238ee3cf6cfad6ea399b6588
1 /*
2 * CDDL HEADER START
3 *
4 * This file and its contents are supplied under the terms of the
5 * Common Development and Distribution License ("CDDL"), version 1.0.
6 * You may only use this file in accordance with the terms of version
7 * 1.0 of the CDDL.
8 *
9 * A full copy of the text of the CDDL should have accompanied this
10 * source. A copy of the CDDL is also available via the Internet at
11 * http://www.illumos.org/license/CDDL.
12 *
13 * CDDL HEADER END
14 */
15
16 /*
17 * Copyright (c) 2018 by Delphix. All rights reserved.
18 */
19
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <string.h>
23 #include <strings.h>
24 #include <libzfs_core.h>
25 #include <libzutil.h>
26
27 #include <sys/nvpair.h>
28 #include <sys/vdev_impl.h>
29 #include <sys/zfs_ioctl.h>
30 #include <sys/zfs_bootenv.h>
31
32 /*
33 * Test the nvpair inputs for the non-legacy zfs ioctl commands.
34 */
35
36 boolean_t unexpected_failures;
37 int zfs_fd;
38 const char *active_test;
39
40 /*
41 * Tracks which zfs_ioc_t commands were tested
42 */
43 boolean_t ioc_tested[ZFS_IOC_LAST - ZFS_IOC_FIRST];
44
45 /*
46 * Legacy ioctls that are skipped (for now)
47 */
48 static unsigned ioc_skip[] = {
49 ZFS_IOC_POOL_CREATE,
50 ZFS_IOC_POOL_DESTROY,
51 ZFS_IOC_POOL_IMPORT,
52 ZFS_IOC_POOL_EXPORT,
53 ZFS_IOC_POOL_CONFIGS,
54 ZFS_IOC_POOL_STATS,
55 ZFS_IOC_POOL_TRYIMPORT,
56 ZFS_IOC_POOL_SCAN,
57 ZFS_IOC_POOL_FREEZE,
58 ZFS_IOC_POOL_UPGRADE,
59 ZFS_IOC_POOL_GET_HISTORY,
60
61 ZFS_IOC_VDEV_ADD,
62 ZFS_IOC_VDEV_REMOVE,
63 ZFS_IOC_VDEV_SET_STATE,
64 ZFS_IOC_VDEV_ATTACH,
65 ZFS_IOC_VDEV_DETACH,
66 ZFS_IOC_VDEV_SETPATH,
67 ZFS_IOC_VDEV_SETFRU,
68
69 ZFS_IOC_OBJSET_STATS,
70 ZFS_IOC_OBJSET_ZPLPROPS,
71 ZFS_IOC_DATASET_LIST_NEXT,
72 ZFS_IOC_SNAPSHOT_LIST_NEXT,
73 ZFS_IOC_SET_PROP,
74 ZFS_IOC_DESTROY,
75 ZFS_IOC_RENAME,
76 ZFS_IOC_RECV,
77 ZFS_IOC_SEND,
78 ZFS_IOC_INJECT_FAULT,
79 ZFS_IOC_CLEAR_FAULT,
80 ZFS_IOC_INJECT_LIST_NEXT,
81 ZFS_IOC_ERROR_LOG,
82 ZFS_IOC_CLEAR,
83 ZFS_IOC_PROMOTE,
84 ZFS_IOC_DSOBJ_TO_DSNAME,
85 ZFS_IOC_OBJ_TO_PATH,
86 ZFS_IOC_POOL_SET_PROPS,
87 ZFS_IOC_POOL_GET_PROPS,
88 ZFS_IOC_SET_FSACL,
89 ZFS_IOC_GET_FSACL,
90 ZFS_IOC_SHARE,
91 ZFS_IOC_INHERIT_PROP,
92 ZFS_IOC_SMB_ACL,
93 ZFS_IOC_USERSPACE_ONE,
94 ZFS_IOC_USERSPACE_MANY,
95 ZFS_IOC_USERSPACE_UPGRADE,
96 ZFS_IOC_OBJSET_RECVD_PROPS,
97 ZFS_IOC_VDEV_SPLIT,
98 ZFS_IOC_NEXT_OBJ,
99 ZFS_IOC_DIFF,
100 ZFS_IOC_TMP_SNAPSHOT,
101 ZFS_IOC_OBJ_TO_STATS,
102 ZFS_IOC_SPACE_WRITTEN,
103 ZFS_IOC_POOL_REGUID,
104 ZFS_IOC_SEND_PROGRESS,
105 ZFS_IOC_EVENTS_NEXT,
106 ZFS_IOC_EVENTS_CLEAR,
107 ZFS_IOC_EVENTS_SEEK,
108 ZFS_IOC_NEXTBOOT,
109 ZFS_IOC_JAIL,
110 ZFS_IOC_UNJAIL,
111 };
112
113
114 #define IOC_INPUT_TEST(ioc, name, req, opt, err) \
115 IOC_INPUT_TEST_IMPL(ioc, name, req, opt, err, B_FALSE)
116
117 #define IOC_INPUT_TEST_WILD(ioc, name, req, opt, err) \
118 IOC_INPUT_TEST_IMPL(ioc, name, req, opt, err, B_TRUE)
119
120 #define IOC_INPUT_TEST_IMPL(ioc, name, req, opt, err, wild) \
121 do { \
122 active_test = __func__ + 5; \
123 ioc_tested[ioc - ZFS_IOC_FIRST] = B_TRUE; \
124 lzc_ioctl_test(ioc, name, req, opt, err, wild); \
125 } while (0)
126
127 /*
128 * run a zfs ioctl command, verify expected results and log failures
129 */
130 static void
131 lzc_ioctl_run(zfs_ioc_t ioc, const char *name, nvlist_t *innvl, int expected)
132 {
133 zfs_cmd_t zc = {"\0"};
134 char *packed = NULL;
135 const char *variant;
136 size_t size = 0;
137 int error = 0;
138
139 switch (expected) {
140 case ZFS_ERR_IOC_ARG_UNAVAIL:
141 variant = "unsupported input";
142 break;
143 case ZFS_ERR_IOC_ARG_REQUIRED:
144 variant = "missing input";
145 break;
146 case ZFS_ERR_IOC_ARG_BADTYPE:
147 variant = "invalid input type";
148 break;
149 default:
150 variant = "valid input";
151 break;
152 }
153
154 packed = fnvlist_pack(innvl, &size);
155 (void) strlcpy(zc.zc_name, name, sizeof (zc.zc_name));
156 zc.zc_name[sizeof (zc.zc_name) - 1] = '\0';
157 zc.zc_nvlist_src = (uint64_t)(uintptr_t)packed;
158 zc.zc_nvlist_src_size = size;
159 zc.zc_nvlist_dst_size = MAX(size * 2, 128 * 1024);
160 zc.zc_nvlist_dst = (uint64_t)(uintptr_t)malloc(zc.zc_nvlist_dst_size);
161
162 if (zfs_ioctl_fd(zfs_fd, ioc, &zc) != 0)
163 error = errno;
164
165 if (error != expected) {
166 unexpected_failures = B_TRUE;
167 (void) fprintf(stderr, "%s: Unexpected result with %s, "
168 "error %d (expecting %d)\n",
169 active_test, variant, error, expected);
170 }
171
172 fnvlist_pack_free(packed, size);
173 free((void *)(uintptr_t)zc.zc_nvlist_dst);
174 }
175
176 /*
177 * Test each ioc for the following ioctl input errors:
178 * ZFS_ERR_IOC_ARG_UNAVAIL an input argument is not supported by kernel
179 * ZFS_ERR_IOC_ARG_REQUIRED a required input argument is missing
180 * ZFS_ERR_IOC_ARG_BADTYPE an input argument has an invalid type
181 */
182 static int
183 lzc_ioctl_test(zfs_ioc_t ioc, const char *name, nvlist_t *required,
184 nvlist_t *optional, int expected_error, boolean_t wildcard)
185 {
186 nvlist_t *input = fnvlist_alloc();
187 nvlist_t *future = fnvlist_alloc();
188 int error = 0;
189
190 if (required != NULL) {
191 for (nvpair_t *pair = nvlist_next_nvpair(required, NULL);
192 pair != NULL; pair = nvlist_next_nvpair(required, pair)) {
193 fnvlist_add_nvpair(input, pair);
194 }
195 }
196 if (optional != NULL) {
197 for (nvpair_t *pair = nvlist_next_nvpair(optional, NULL);
198 pair != NULL; pair = nvlist_next_nvpair(optional, pair)) {
199 fnvlist_add_nvpair(input, pair);
200 }
201 }
202
203 /*
204 * Generic input run with 'optional' nvlist pair
205 */
206 if (!wildcard)
207 fnvlist_add_nvlist(input, "optional", future);
208 lzc_ioctl_run(ioc, name, input, expected_error);
209 if (!wildcard)
210 fnvlist_remove(input, "optional");
211
212 /*
213 * Bogus input value
214 */
215 if (!wildcard) {
216 fnvlist_add_string(input, "bogus_input", "bogus");
217 lzc_ioctl_run(ioc, name, input, ZFS_ERR_IOC_ARG_UNAVAIL);
218 fnvlist_remove(input, "bogus_input");
219 }
220
221 /*
222 * Missing required inputs
223 */
224 if (required != NULL) {
225 nvlist_t *empty = fnvlist_alloc();
226 lzc_ioctl_run(ioc, name, empty, ZFS_ERR_IOC_ARG_REQUIRED);
227 nvlist_free(empty);
228 }
229
230 /*
231 * Wrong nvpair type
232 */
233 if (required != NULL || optional != NULL) {
234 /*
235 * switch the type of one of the input pairs
236 */
237 for (nvpair_t *pair = nvlist_next_nvpair(input, NULL);
238 pair != NULL; pair = nvlist_next_nvpair(input, pair)) {
239 char pname[MAXNAMELEN];
240 data_type_t ptype;
241
242 strlcpy(pname, nvpair_name(pair), sizeof (pname));
243 pname[sizeof (pname) - 1] = '\0';
244 ptype = nvpair_type(pair);
245 fnvlist_remove_nvpair(input, pair);
246
247 switch (ptype) {
248 case DATA_TYPE_STRING:
249 fnvlist_add_uint64(input, pname, 42);
250 break;
251 default:
252 fnvlist_add_string(input, pname, "bogus");
253 break;
254 }
255 }
256 lzc_ioctl_run(ioc, name, input, ZFS_ERR_IOC_ARG_BADTYPE);
257 }
258
259 nvlist_free(future);
260 nvlist_free(input);
261
262 return (error);
263 }
264
265 static void
266 test_pool_sync(const char *pool)
267 {
268 nvlist_t *required = fnvlist_alloc();
269
270 fnvlist_add_boolean_value(required, "force", B_TRUE);
271
272 IOC_INPUT_TEST(ZFS_IOC_POOL_SYNC, pool, required, NULL, 0);
273
274 nvlist_free(required);
275 }
276
277 static void
278 test_pool_reopen(const char *pool)
279 {
280 nvlist_t *optional = fnvlist_alloc();
281
282 fnvlist_add_boolean_value(optional, "scrub_restart", B_FALSE);
283
284 IOC_INPUT_TEST(ZFS_IOC_POOL_REOPEN, pool, NULL, optional, 0);
285
286 nvlist_free(optional);
287 }
288
289 static void
290 test_pool_checkpoint(const char *pool)
291 {
292 IOC_INPUT_TEST(ZFS_IOC_POOL_CHECKPOINT, pool, NULL, NULL, 0);
293 }
294
295 static void
296 test_pool_discard_checkpoint(const char *pool)
297 {
298 int err = lzc_pool_checkpoint(pool);
299 if (err == 0 || err == ZFS_ERR_CHECKPOINT_EXISTS)
300 IOC_INPUT_TEST(ZFS_IOC_POOL_DISCARD_CHECKPOINT, pool, NULL,
301 NULL, 0);
302 }
303
304 static void
305 test_log_history(const char *pool)
306 {
307 nvlist_t *required = fnvlist_alloc();
308
309 fnvlist_add_string(required, "message", "input check");
310
311 IOC_INPUT_TEST(ZFS_IOC_LOG_HISTORY, pool, required, NULL, 0);
312
313 nvlist_free(required);
314 }
315
316 static void
317 test_create(const char *pool)
318 {
319 char dataset[MAXNAMELEN + 32];
320
321 (void) snprintf(dataset, sizeof (dataset), "%s/create-fs", pool);
322
323 nvlist_t *required = fnvlist_alloc();
324 nvlist_t *optional = fnvlist_alloc();
325 nvlist_t *props = fnvlist_alloc();
326
327 fnvlist_add_int32(required, "type", DMU_OST_ZFS);
328 fnvlist_add_uint64(props, "recordsize", 8192);
329 fnvlist_add_nvlist(optional, "props", props);
330
331 IOC_INPUT_TEST(ZFS_IOC_CREATE, dataset, required, optional, 0);
332
333 nvlist_free(required);
334 nvlist_free(optional);
335 }
336
337 static void
338 test_snapshot(const char *pool, const char *snapshot)
339 {
340 nvlist_t *required = fnvlist_alloc();
341 nvlist_t *optional = fnvlist_alloc();
342 nvlist_t *snaps = fnvlist_alloc();
343 nvlist_t *props = fnvlist_alloc();
344
345 fnvlist_add_boolean(snaps, snapshot);
346 fnvlist_add_nvlist(required, "snaps", snaps);
347
348 fnvlist_add_string(props, "org.openzfs:launch", "September 17th, 2013");
349 fnvlist_add_nvlist(optional, "props", props);
350
351 IOC_INPUT_TEST(ZFS_IOC_SNAPSHOT, pool, required, optional, 0);
352
353 nvlist_free(props);
354 nvlist_free(snaps);
355 nvlist_free(optional);
356 nvlist_free(required);
357 }
358
359 static void
360 test_space_snaps(const char *snapshot)
361 {
362 nvlist_t *required = fnvlist_alloc();
363 fnvlist_add_string(required, "firstsnap", snapshot);
364
365 IOC_INPUT_TEST(ZFS_IOC_SPACE_SNAPS, snapshot, required, NULL, 0);
366
367 nvlist_free(required);
368 }
369
370 static void
371 test_destroy_snaps(const char *pool, const char *snapshot)
372 {
373 nvlist_t *required = fnvlist_alloc();
374 nvlist_t *snaps = fnvlist_alloc();
375
376 fnvlist_add_boolean(snaps, snapshot);
377 fnvlist_add_nvlist(required, "snaps", snaps);
378
379 IOC_INPUT_TEST(ZFS_IOC_DESTROY_SNAPS, pool, required, NULL, 0);
380
381 nvlist_free(snaps);
382 nvlist_free(required);
383 }
384
385
386 static void
387 test_bookmark(const char *pool, const char *snapshot, const char *bookmark)
388 {
389 nvlist_t *required = fnvlist_alloc();
390
391 fnvlist_add_string(required, bookmark, snapshot);
392
393 IOC_INPUT_TEST_WILD(ZFS_IOC_BOOKMARK, pool, required, NULL, 0);
394
395 nvlist_free(required);
396 }
397
398 static void
399 test_get_bookmarks(const char *dataset)
400 {
401 nvlist_t *optional = fnvlist_alloc();
402
403 fnvlist_add_boolean(optional, "guid");
404 fnvlist_add_boolean(optional, "createtxg");
405 fnvlist_add_boolean(optional, "creation");
406
407 IOC_INPUT_TEST_WILD(ZFS_IOC_GET_BOOKMARKS, dataset, NULL, optional, 0);
408
409 nvlist_free(optional);
410 }
411
412 static void
413 test_destroy_bookmarks(const char *pool, const char *bookmark)
414 {
415 nvlist_t *required = fnvlist_alloc();
416
417 fnvlist_add_boolean(required, bookmark);
418
419 IOC_INPUT_TEST_WILD(ZFS_IOC_DESTROY_BOOKMARKS, pool, required, NULL, 0);
420
421 nvlist_free(required);
422 }
423
424 static void
425 test_clone(const char *snapshot, const char *clone)
426 {
427 nvlist_t *required = fnvlist_alloc();
428 nvlist_t *optional = fnvlist_alloc();
429 nvlist_t *props = fnvlist_alloc();
430
431 fnvlist_add_string(required, "origin", snapshot);
432
433 IOC_INPUT_TEST(ZFS_IOC_CLONE, clone, required, NULL, 0);
434
435 nvlist_free(props);
436 nvlist_free(optional);
437 nvlist_free(required);
438 }
439
440 static void
441 test_rollback(const char *dataset, const char *snapshot)
442 {
443 nvlist_t *optional = fnvlist_alloc();
444
445 fnvlist_add_string(optional, "target", snapshot);
446
447 IOC_INPUT_TEST(ZFS_IOC_ROLLBACK, dataset, NULL, optional, B_FALSE);
448
449 nvlist_free(optional);
450 }
451
452 static void
453 test_hold(const char *pool, const char *snapshot)
454 {
455 nvlist_t *required = fnvlist_alloc();
456 nvlist_t *optional = fnvlist_alloc();
457 nvlist_t *holds = fnvlist_alloc();
458
459 fnvlist_add_string(holds, snapshot, "libzfs_check_hold");
460 fnvlist_add_nvlist(required, "holds", holds);
461 fnvlist_add_int32(optional, "cleanup_fd", zfs_fd);
462
463 IOC_INPUT_TEST(ZFS_IOC_HOLD, pool, required, optional, 0);
464
465 nvlist_free(holds);
466 nvlist_free(optional);
467 nvlist_free(required);
468 }
469
470 static void
471 test_get_holds(const char *snapshot)
472 {
473 IOC_INPUT_TEST(ZFS_IOC_GET_HOLDS, snapshot, NULL, NULL, 0);
474 }
475
476 static void
477 test_release(const char *pool, const char *snapshot)
478 {
479 nvlist_t *required = fnvlist_alloc();
480 nvlist_t *release = fnvlist_alloc();
481
482 fnvlist_add_boolean(release, "libzfs_check_hold");
483 fnvlist_add_nvlist(required, snapshot, release);
484
485 IOC_INPUT_TEST_WILD(ZFS_IOC_RELEASE, pool, required, NULL, 0);
486
487 nvlist_free(release);
488 nvlist_free(required);
489 }
490
491
492 static void
493 test_send_new(const char *snapshot, int fd)
494 {
495 nvlist_t *required = fnvlist_alloc();
496 nvlist_t *optional = fnvlist_alloc();
497
498 fnvlist_add_int32(required, "fd", fd);
499
500 fnvlist_add_boolean(optional, "largeblockok");
501 fnvlist_add_boolean(optional, "embedok");
502 fnvlist_add_boolean(optional, "compressok");
503 fnvlist_add_boolean(optional, "rawok");
504
505 /*
506 * TODO - Resumable send is harder to set up. So we currently
507 * ignore testing for that variant.
508 */
509 #if 0
510 fnvlist_add_string(optional, "fromsnap", from);
511 fnvlist_add_uint64(optional, "resume_object", resumeobj);
512 fnvlist_add_uint64(optional, "resume_offset", offset);
513 fnvlist_add_boolean(optional, "savedok");
514 #endif
515 IOC_INPUT_TEST(ZFS_IOC_SEND_NEW, snapshot, required, optional, 0);
516
517 nvlist_free(optional);
518 nvlist_free(required);
519 }
520
521 static void
522 test_recv_new(const char *dataset, int fd)
523 {
524 dmu_replay_record_t drr = { 0 };
525 nvlist_t *required = fnvlist_alloc();
526 nvlist_t *optional = fnvlist_alloc();
527 nvlist_t *props = fnvlist_alloc();
528 char snapshot[MAXNAMELEN + 32];
529 ssize_t count;
530
531 int cleanup_fd = open(ZFS_DEV, O_RDWR);
532
533 (void) snprintf(snapshot, sizeof (snapshot), "%s@replicant", dataset);
534
535 count = pread(fd, &drr, sizeof (drr), 0);
536 if (count != sizeof (drr)) {
537 (void) fprintf(stderr, "could not read stream: %s\n",
538 strerror(errno));
539 }
540
541 fnvlist_add_string(required, "snapname", snapshot);
542 fnvlist_add_byte_array(required, "begin_record", (uchar_t *)&drr,
543 sizeof (drr));
544 fnvlist_add_int32(required, "input_fd", fd);
545
546 fnvlist_add_string(props, "org.openzfs:launch", "September 17th, 2013");
547 fnvlist_add_nvlist(optional, "localprops", props);
548 fnvlist_add_boolean(optional, "force");
549 fnvlist_add_int32(optional, "cleanup_fd", cleanup_fd);
550
551 /*
552 * TODO - Resumable receive is harder to set up. So we currently
553 * ignore testing for one.
554 */
555 #if 0
556 fnvlist_add_nvlist(optional, "props", recvdprops);
557 fnvlist_add_string(optional, "origin", origin);
558 fnvlist_add_boolean(optional, "resumable");
559 fnvlist_add_uint64(optional, "action_handle", *action_handle);
560 #endif
561 IOC_INPUT_TEST(ZFS_IOC_RECV_NEW, dataset, required, optional,
562 ZFS_ERR_STREAM_TRUNCATED);
563
564 nvlist_free(props);
565 nvlist_free(optional);
566 nvlist_free(required);
567
568 (void) close(cleanup_fd);
569 }
570
571 static void
572 test_send_space(const char *snapshot1, const char *snapshot2)
573 {
574 nvlist_t *optional = fnvlist_alloc();
575
576 fnvlist_add_string(optional, "from", snapshot1);
577 fnvlist_add_boolean(optional, "largeblockok");
578 fnvlist_add_boolean(optional, "embedok");
579 fnvlist_add_boolean(optional, "compressok");
580 fnvlist_add_boolean(optional, "rawok");
581
582 IOC_INPUT_TEST(ZFS_IOC_SEND_SPACE, snapshot2, NULL, optional, 0);
583
584 nvlist_free(optional);
585 }
586
587 static void
588 test_remap(const char *dataset)
589 {
590 IOC_INPUT_TEST(ZFS_IOC_REMAP, dataset, NULL, NULL, 0);
591 }
592
593 static void
594 test_channel_program(const char *pool)
595 {
596 const char *program =
597 "arg = ...\n"
598 "argv = arg[\"argv\"]\n"
599 "return argv[1]";
600 char *const argv[1] = { "Hello World!" };
601 nvlist_t *required = fnvlist_alloc();
602 nvlist_t *optional = fnvlist_alloc();
603 nvlist_t *args = fnvlist_alloc();
604
605 fnvlist_add_string(required, "program", program);
606 fnvlist_add_string_array(args, "argv", argv, 1);
607 fnvlist_add_nvlist(required, "arg", args);
608
609 fnvlist_add_boolean_value(optional, "sync", B_TRUE);
610 fnvlist_add_uint64(optional, "instrlimit", 1000 * 1000);
611 fnvlist_add_uint64(optional, "memlimit", 8192 * 1024);
612
613 IOC_INPUT_TEST(ZFS_IOC_CHANNEL_PROGRAM, pool, required, optional, 0);
614
615 nvlist_free(args);
616 nvlist_free(optional);
617 nvlist_free(required);
618 }
619
620 #define WRAPPING_KEY_LEN 32
621
622 static void
623 test_load_key(const char *dataset)
624 {
625 nvlist_t *required = fnvlist_alloc();
626 nvlist_t *optional = fnvlist_alloc();
627 nvlist_t *hidden = fnvlist_alloc();
628 uint8_t keydata[WRAPPING_KEY_LEN] = {0};
629
630 fnvlist_add_uint8_array(hidden, "wkeydata", keydata, sizeof (keydata));
631 fnvlist_add_nvlist(required, "hidden_args", hidden);
632 fnvlist_add_boolean(optional, "noop");
633
634 IOC_INPUT_TEST(ZFS_IOC_LOAD_KEY, dataset, required, optional, EINVAL);
635 nvlist_free(hidden);
636 nvlist_free(optional);
637 nvlist_free(required);
638 }
639
640 static void
641 test_change_key(const char *dataset)
642 {
643 IOC_INPUT_TEST(ZFS_IOC_CHANGE_KEY, dataset, NULL, NULL, EINVAL);
644 }
645
646 static void
647 test_unload_key(const char *dataset)
648 {
649 IOC_INPUT_TEST(ZFS_IOC_UNLOAD_KEY, dataset, NULL, NULL, EACCES);
650 }
651
652 static void
653 test_vdev_initialize(const char *pool)
654 {
655 nvlist_t *required = fnvlist_alloc();
656 nvlist_t *vdev_guids = fnvlist_alloc();
657
658 fnvlist_add_uint64(vdev_guids, "path", 0xdeadbeefdeadbeef);
659 fnvlist_add_uint64(required, ZPOOL_INITIALIZE_COMMAND,
660 POOL_INITIALIZE_START);
661 fnvlist_add_nvlist(required, ZPOOL_INITIALIZE_VDEVS, vdev_guids);
662
663 IOC_INPUT_TEST(ZFS_IOC_POOL_INITIALIZE, pool, required, NULL, EINVAL);
664 nvlist_free(vdev_guids);
665 nvlist_free(required);
666 }
667
668 static void
669 test_vdev_trim(const char *pool)
670 {
671 nvlist_t *required = fnvlist_alloc();
672 nvlist_t *optional = fnvlist_alloc();
673 nvlist_t *vdev_guids = fnvlist_alloc();
674
675 fnvlist_add_uint64(vdev_guids, "path", 0xdeadbeefdeadbeef);
676 fnvlist_add_uint64(required, ZPOOL_TRIM_COMMAND, POOL_TRIM_START);
677 fnvlist_add_nvlist(required, ZPOOL_TRIM_VDEVS, vdev_guids);
678 fnvlist_add_uint64(optional, ZPOOL_TRIM_RATE, 1ULL << 30);
679 fnvlist_add_boolean_value(optional, ZPOOL_TRIM_SECURE, B_TRUE);
680
681 IOC_INPUT_TEST(ZFS_IOC_POOL_TRIM, pool, required, optional, EINVAL);
682 nvlist_free(vdev_guids);
683 nvlist_free(optional);
684 nvlist_free(required);
685 }
686
687 static int
688 zfs_destroy(const char *dataset)
689 {
690 zfs_cmd_t zc = {"\0"};
691 int err;
692
693 (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
694 zc.zc_name[sizeof (zc.zc_name) - 1] = '\0';
695 err = zfs_ioctl_fd(zfs_fd, ZFS_IOC_DESTROY, &zc);
696
697 return (err == 0 ? 0 : errno);
698 }
699
700 static void
701 test_redact(const char *snapshot1, const char *snapshot2)
702 {
703 nvlist_t *required = fnvlist_alloc();
704 nvlist_t *snapnv = fnvlist_alloc();
705 char bookmark[MAXNAMELEN + 32];
706
707 fnvlist_add_string(required, "bookname", "testbookmark");
708 fnvlist_add_boolean(snapnv, snapshot2);
709 fnvlist_add_nvlist(required, "snapnv", snapnv);
710
711 IOC_INPUT_TEST(ZFS_IOC_REDACT, snapshot1, required, NULL, 0);
712
713 nvlist_free(snapnv);
714 nvlist_free(required);
715
716 strlcpy(bookmark, snapshot1, sizeof (bookmark));
717 *strchr(bookmark, '@') = '\0';
718 strlcat(bookmark, "#testbookmark", sizeof (bookmark) -
719 strlen(bookmark));
720 zfs_destroy(bookmark);
721 }
722
723 static void
724 test_get_bookmark_props(const char *bookmark)
725 {
726 IOC_INPUT_TEST(ZFS_IOC_GET_BOOKMARK_PROPS, bookmark, NULL, NULL, 0);
727 }
728
729 static void
730 test_wait(const char *pool)
731 {
732 nvlist_t *required = fnvlist_alloc();
733 nvlist_t *optional = fnvlist_alloc();
734
735 fnvlist_add_int32(required, "wait_activity", 2);
736 fnvlist_add_uint64(optional, "wait_tag", 0xdeadbeefdeadbeef);
737
738 IOC_INPUT_TEST(ZFS_IOC_WAIT, pool, required, optional, EINVAL);
739
740 nvlist_free(required);
741 nvlist_free(optional);
742 }
743
744 static void
745 test_wait_fs(const char *dataset)
746 {
747 nvlist_t *required = fnvlist_alloc();
748
749 fnvlist_add_int32(required, "wait_activity", 2);
750
751 IOC_INPUT_TEST(ZFS_IOC_WAIT_FS, dataset, required, NULL, EINVAL);
752
753 nvlist_free(required);
754 }
755
756 static void
757 test_get_bootenv(const char *pool)
758 {
759 IOC_INPUT_TEST(ZFS_IOC_GET_BOOTENV, pool, NULL, NULL, 0);
760 }
761
762 static void
763 test_set_bootenv(const char *pool)
764 {
765 nvlist_t *required = fnvlist_alloc();
766
767 fnvlist_add_uint64(required, "version", VB_RAW);
768 fnvlist_add_string(required, GRUB_ENVMAP, "test");
769
770 IOC_INPUT_TEST_WILD(ZFS_IOC_SET_BOOTENV, pool, required, NULL, 0);
771
772 nvlist_free(required);
773 }
774
775 static void
776 zfs_ioc_input_tests(const char *pool)
777 {
778 char filepath[] = "/tmp/ioc_test_file_XXXXXX";
779 char dataset[ZFS_MAX_DATASET_NAME_LEN];
780 char snapbase[ZFS_MAX_DATASET_NAME_LEN + 32];
781 char snapshot[ZFS_MAX_DATASET_NAME_LEN + 32];
782 char bookmark[ZFS_MAX_DATASET_NAME_LEN + 32];
783 char backup[ZFS_MAX_DATASET_NAME_LEN];
784 char clone[ZFS_MAX_DATASET_NAME_LEN];
785 char clonesnap[ZFS_MAX_DATASET_NAME_LEN + 32];
786 int tmpfd, err;
787
788 /*
789 * Setup names and create a working dataset
790 */
791 (void) snprintf(dataset, sizeof (dataset), "%s/test-fs", pool);
792 (void) snprintf(snapbase, sizeof (snapbase), "%s@snapbase", dataset);
793 (void) snprintf(snapshot, sizeof (snapshot), "%s@snapshot", dataset);
794 (void) snprintf(bookmark, sizeof (bookmark), "%s#bookmark", dataset);
795 (void) snprintf(clone, sizeof (clone), "%s/test-fs-clone", pool);
796 (void) snprintf(clonesnap, sizeof (clonesnap), "%s@snap", clone);
797 (void) snprintf(backup, sizeof (backup), "%s/backup", pool);
798
799 err = lzc_create(dataset, LZC_DATSET_TYPE_ZFS, NULL, NULL, -1);
800 if (err) {
801 (void) fprintf(stderr, "could not create '%s': %s\n",
802 dataset, strerror(errno));
803 exit(2);
804 }
805
806 tmpfd = mkstemp(filepath);
807 if (tmpfd < 0) {
808 (void) fprintf(stderr, "could not create '%s': %s\n",
809 filepath, strerror(errno));
810 exit(2);
811 }
812
813 /*
814 * run a test for each ioctl
815 * Note that some test build on previous test operations
816 */
817 test_pool_sync(pool);
818 test_pool_reopen(pool);
819 test_pool_checkpoint(pool);
820 test_pool_discard_checkpoint(pool);
821 test_log_history(pool);
822
823 test_create(dataset);
824 test_snapshot(pool, snapbase);
825 test_snapshot(pool, snapshot);
826
827 test_space_snaps(snapshot);
828 test_send_space(snapbase, snapshot);
829 test_send_new(snapshot, tmpfd);
830 test_recv_new(backup, tmpfd);
831
832 test_bookmark(pool, snapshot, bookmark);
833 test_get_bookmarks(dataset);
834 test_get_bookmark_props(bookmark);
835 test_destroy_bookmarks(pool, bookmark);
836
837 test_hold(pool, snapshot);
838 test_get_holds(snapshot);
839 test_release(pool, snapshot);
840
841 test_clone(snapshot, clone);
842 test_snapshot(pool, clonesnap);
843 test_redact(snapshot, clonesnap);
844 zfs_destroy(clonesnap);
845 zfs_destroy(clone);
846
847 test_rollback(dataset, snapshot);
848 test_destroy_snaps(pool, snapshot);
849 test_destroy_snaps(pool, snapbase);
850
851 test_remap(dataset);
852 test_channel_program(pool);
853
854 test_load_key(dataset);
855 test_change_key(dataset);
856 test_unload_key(dataset);
857
858 test_vdev_initialize(pool);
859 test_vdev_trim(pool);
860
861 test_wait(pool);
862 test_wait_fs(dataset);
863
864 test_set_bootenv(pool);
865 test_get_bootenv(pool);
866
867 /*
868 * cleanup
869 */
870 zfs_cmd_t zc = {"\0"};
871
872 nvlist_t *snaps = fnvlist_alloc();
873 fnvlist_add_boolean(snaps, snapshot);
874 (void) lzc_destroy_snaps(snaps, B_FALSE, NULL);
875 nvlist_free(snaps);
876
877 (void) zfs_destroy(dataset);
878 (void) zfs_destroy(backup);
879
880 (void) close(tmpfd);
881 (void) unlink(filepath);
882
883 /*
884 * All the unused slots should yield ZFS_ERR_IOC_CMD_UNAVAIL
885 */
886 for (int i = 0; i < ARRAY_SIZE(ioc_skip); i++) {
887 if (ioc_tested[ioc_skip[i] - ZFS_IOC_FIRST])
888 (void) fprintf(stderr, "cmd %d tested, not skipped!\n",
889 (int)(ioc_skip[i] - ZFS_IOC_FIRST));
890
891 ioc_tested[ioc_skip[i] - ZFS_IOC_FIRST] = B_TRUE;
892 }
893
894 (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name));
895 zc.zc_name[sizeof (zc.zc_name) - 1] = '\0';
896
897 for (unsigned ioc = ZFS_IOC_FIRST; ioc < ZFS_IOC_LAST; ioc++) {
898 unsigned cmd = ioc - ZFS_IOC_FIRST;
899
900 if (ioc_tested[cmd])
901 continue;
902
903 if (zfs_ioctl_fd(zfs_fd, ioc, &zc) != 0 &&
904 errno != ZFS_ERR_IOC_CMD_UNAVAIL) {
905 (void) fprintf(stderr, "cmd %d is missing a test case "
906 "(%d)\n", cmd, errno);
907 }
908 }
909 }
910
911 enum zfs_ioc_ref {
912 #ifdef __FreeBSD__
913 ZFS_IOC_BASE = 0,
914 #else
915 ZFS_IOC_BASE = ('Z' << 8),
916 #endif
917 ZFS_IOC_PLATFORM_BASE = ZFS_IOC_BASE + 0x80,
918 };
919
920 /*
921 * Canonical reference check of /dev/zfs ioctl numbers.
922 * These cannot change and new ioctl numbers must be appended.
923 */
924 static boolean_t
925 validate_ioc_values(void)
926 {
927 boolean_t result = B_TRUE;
928
929 #define CHECK(expr) do { \
930 if (!(expr)) { \
931 result = B_FALSE; \
932 fprintf(stderr, "(%s) === FALSE\n", #expr); \
933 } \
934 } while (0)
935
936 CHECK(ZFS_IOC_BASE + 0 == ZFS_IOC_POOL_CREATE);
937 CHECK(ZFS_IOC_BASE + 1 == ZFS_IOC_POOL_DESTROY);
938 CHECK(ZFS_IOC_BASE + 2 == ZFS_IOC_POOL_IMPORT);
939 CHECK(ZFS_IOC_BASE + 3 == ZFS_IOC_POOL_EXPORT);
940 CHECK(ZFS_IOC_BASE + 4 == ZFS_IOC_POOL_CONFIGS);
941 CHECK(ZFS_IOC_BASE + 5 == ZFS_IOC_POOL_STATS);
942 CHECK(ZFS_IOC_BASE + 6 == ZFS_IOC_POOL_TRYIMPORT);
943 CHECK(ZFS_IOC_BASE + 7 == ZFS_IOC_POOL_SCAN);
944 CHECK(ZFS_IOC_BASE + 8 == ZFS_IOC_POOL_FREEZE);
945 CHECK(ZFS_IOC_BASE + 9 == ZFS_IOC_POOL_UPGRADE);
946 CHECK(ZFS_IOC_BASE + 10 == ZFS_IOC_POOL_GET_HISTORY);
947 CHECK(ZFS_IOC_BASE + 11 == ZFS_IOC_VDEV_ADD);
948 CHECK(ZFS_IOC_BASE + 12 == ZFS_IOC_VDEV_REMOVE);
949 CHECK(ZFS_IOC_BASE + 13 == ZFS_IOC_VDEV_SET_STATE);
950 CHECK(ZFS_IOC_BASE + 14 == ZFS_IOC_VDEV_ATTACH);
951 CHECK(ZFS_IOC_BASE + 15 == ZFS_IOC_VDEV_DETACH);
952 CHECK(ZFS_IOC_BASE + 16 == ZFS_IOC_VDEV_SETPATH);
953 CHECK(ZFS_IOC_BASE + 17 == ZFS_IOC_VDEV_SETFRU);
954 CHECK(ZFS_IOC_BASE + 18 == ZFS_IOC_OBJSET_STATS);
955 CHECK(ZFS_IOC_BASE + 19 == ZFS_IOC_OBJSET_ZPLPROPS);
956 CHECK(ZFS_IOC_BASE + 20 == ZFS_IOC_DATASET_LIST_NEXT);
957 CHECK(ZFS_IOC_BASE + 21 == ZFS_IOC_SNAPSHOT_LIST_NEXT);
958 CHECK(ZFS_IOC_BASE + 22 == ZFS_IOC_SET_PROP);
959 CHECK(ZFS_IOC_BASE + 23 == ZFS_IOC_CREATE);
960 CHECK(ZFS_IOC_BASE + 24 == ZFS_IOC_DESTROY);
961 CHECK(ZFS_IOC_BASE + 25 == ZFS_IOC_ROLLBACK);
962 CHECK(ZFS_IOC_BASE + 26 == ZFS_IOC_RENAME);
963 CHECK(ZFS_IOC_BASE + 27 == ZFS_IOC_RECV);
964 CHECK(ZFS_IOC_BASE + 28 == ZFS_IOC_SEND);
965 CHECK(ZFS_IOC_BASE + 29 == ZFS_IOC_INJECT_FAULT);
966 CHECK(ZFS_IOC_BASE + 30 == ZFS_IOC_CLEAR_FAULT);
967 CHECK(ZFS_IOC_BASE + 31 == ZFS_IOC_INJECT_LIST_NEXT);
968 CHECK(ZFS_IOC_BASE + 32 == ZFS_IOC_ERROR_LOG);
969 CHECK(ZFS_IOC_BASE + 33 == ZFS_IOC_CLEAR);
970 CHECK(ZFS_IOC_BASE + 34 == ZFS_IOC_PROMOTE);
971 CHECK(ZFS_IOC_BASE + 35 == ZFS_IOC_SNAPSHOT);
972 CHECK(ZFS_IOC_BASE + 36 == ZFS_IOC_DSOBJ_TO_DSNAME);
973 CHECK(ZFS_IOC_BASE + 37 == ZFS_IOC_OBJ_TO_PATH);
974 CHECK(ZFS_IOC_BASE + 38 == ZFS_IOC_POOL_SET_PROPS);
975 CHECK(ZFS_IOC_BASE + 39 == ZFS_IOC_POOL_GET_PROPS);
976 CHECK(ZFS_IOC_BASE + 40 == ZFS_IOC_SET_FSACL);
977 CHECK(ZFS_IOC_BASE + 41 == ZFS_IOC_GET_FSACL);
978 CHECK(ZFS_IOC_BASE + 42 == ZFS_IOC_SHARE);
979 CHECK(ZFS_IOC_BASE + 43 == ZFS_IOC_INHERIT_PROP);
980 CHECK(ZFS_IOC_BASE + 44 == ZFS_IOC_SMB_ACL);
981 CHECK(ZFS_IOC_BASE + 45 == ZFS_IOC_USERSPACE_ONE);
982 CHECK(ZFS_IOC_BASE + 46 == ZFS_IOC_USERSPACE_MANY);
983 CHECK(ZFS_IOC_BASE + 47 == ZFS_IOC_USERSPACE_UPGRADE);
984 CHECK(ZFS_IOC_BASE + 48 == ZFS_IOC_HOLD);
985 CHECK(ZFS_IOC_BASE + 49 == ZFS_IOC_RELEASE);
986 CHECK(ZFS_IOC_BASE + 50 == ZFS_IOC_GET_HOLDS);
987 CHECK(ZFS_IOC_BASE + 51 == ZFS_IOC_OBJSET_RECVD_PROPS);
988 CHECK(ZFS_IOC_BASE + 52 == ZFS_IOC_VDEV_SPLIT);
989 CHECK(ZFS_IOC_BASE + 53 == ZFS_IOC_NEXT_OBJ);
990 CHECK(ZFS_IOC_BASE + 54 == ZFS_IOC_DIFF);
991 CHECK(ZFS_IOC_BASE + 55 == ZFS_IOC_TMP_SNAPSHOT);
992 CHECK(ZFS_IOC_BASE + 56 == ZFS_IOC_OBJ_TO_STATS);
993 CHECK(ZFS_IOC_BASE + 57 == ZFS_IOC_SPACE_WRITTEN);
994 CHECK(ZFS_IOC_BASE + 58 == ZFS_IOC_SPACE_SNAPS);
995 CHECK(ZFS_IOC_BASE + 59 == ZFS_IOC_DESTROY_SNAPS);
996 CHECK(ZFS_IOC_BASE + 60 == ZFS_IOC_POOL_REGUID);
997 CHECK(ZFS_IOC_BASE + 61 == ZFS_IOC_POOL_REOPEN);
998 CHECK(ZFS_IOC_BASE + 62 == ZFS_IOC_SEND_PROGRESS);
999 CHECK(ZFS_IOC_BASE + 63 == ZFS_IOC_LOG_HISTORY);
1000 CHECK(ZFS_IOC_BASE + 64 == ZFS_IOC_SEND_NEW);
1001 CHECK(ZFS_IOC_BASE + 65 == ZFS_IOC_SEND_SPACE);
1002 CHECK(ZFS_IOC_BASE + 66 == ZFS_IOC_CLONE);
1003 CHECK(ZFS_IOC_BASE + 67 == ZFS_IOC_BOOKMARK);
1004 CHECK(ZFS_IOC_BASE + 68 == ZFS_IOC_GET_BOOKMARKS);
1005 CHECK(ZFS_IOC_BASE + 69 == ZFS_IOC_DESTROY_BOOKMARKS);
1006 CHECK(ZFS_IOC_BASE + 70 == ZFS_IOC_RECV_NEW);
1007 CHECK(ZFS_IOC_BASE + 71 == ZFS_IOC_POOL_SYNC);
1008 CHECK(ZFS_IOC_BASE + 72 == ZFS_IOC_CHANNEL_PROGRAM);
1009 CHECK(ZFS_IOC_BASE + 73 == ZFS_IOC_LOAD_KEY);
1010 CHECK(ZFS_IOC_BASE + 74 == ZFS_IOC_UNLOAD_KEY);
1011 CHECK(ZFS_IOC_BASE + 75 == ZFS_IOC_CHANGE_KEY);
1012 CHECK(ZFS_IOC_BASE + 76 == ZFS_IOC_REMAP);
1013 CHECK(ZFS_IOC_BASE + 77 == ZFS_IOC_POOL_CHECKPOINT);
1014 CHECK(ZFS_IOC_BASE + 78 == ZFS_IOC_POOL_DISCARD_CHECKPOINT);
1015 CHECK(ZFS_IOC_BASE + 79 == ZFS_IOC_POOL_INITIALIZE);
1016 CHECK(ZFS_IOC_BASE + 80 == ZFS_IOC_POOL_TRIM);
1017 CHECK(ZFS_IOC_BASE + 81 == ZFS_IOC_REDACT);
1018 CHECK(ZFS_IOC_BASE + 82 == ZFS_IOC_GET_BOOKMARK_PROPS);
1019 CHECK(ZFS_IOC_BASE + 83 == ZFS_IOC_WAIT);
1020 CHECK(ZFS_IOC_BASE + 84 == ZFS_IOC_WAIT_FS);
1021 CHECK(ZFS_IOC_PLATFORM_BASE + 1 == ZFS_IOC_EVENTS_NEXT);
1022 CHECK(ZFS_IOC_PLATFORM_BASE + 2 == ZFS_IOC_EVENTS_CLEAR);
1023 CHECK(ZFS_IOC_PLATFORM_BASE + 3 == ZFS_IOC_EVENTS_SEEK);
1024 CHECK(ZFS_IOC_PLATFORM_BASE + 4 == ZFS_IOC_NEXTBOOT);
1025 CHECK(ZFS_IOC_PLATFORM_BASE + 5 == ZFS_IOC_JAIL);
1026 CHECK(ZFS_IOC_PLATFORM_BASE + 6 == ZFS_IOC_UNJAIL);
1027 CHECK(ZFS_IOC_PLATFORM_BASE + 7 == ZFS_IOC_SET_BOOTENV);
1028 CHECK(ZFS_IOC_PLATFORM_BASE + 8 == ZFS_IOC_GET_BOOTENV);
1029
1030 #undef CHECK
1031
1032 return (result);
1033 }
1034
1035 int
1036 main(int argc, const char *argv[])
1037 {
1038 if (argc != 2) {
1039 (void) fprintf(stderr, "usage: %s <pool>\n", argv[0]);
1040 exit(2);
1041 }
1042
1043 if (!validate_ioc_values()) {
1044 (void) fprintf(stderr, "WARNING: zfs_ioc_t has binary "
1045 "incompatible command values\n");
1046 exit(3);
1047 }
1048
1049 (void) libzfs_core_init();
1050 zfs_fd = open(ZFS_DEV, O_RDWR);
1051 if (zfs_fd < 0) {
1052 (void) fprintf(stderr, "open: %s\n", strerror(errno));
1053 libzfs_core_fini();
1054 exit(2);
1055 }
1056
1057 zfs_ioc_input_tests(argv[1]);
1058
1059 (void) close(zfs_fd);
1060 libzfs_core_fini();
1061
1062 return (unexpected_failures);
1063 }
OpenZFS on Linux and FreeBSD