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 <libzfs_core.h>
24 #include <libzutil.h>
25 
26 #include <sys/nvpair.h>
27 #include <sys/vdev_impl.h>
28 #include <sys/zfs_ioctl.h>
29 #include <sys/zfs_bootenv.h>
30 
31 /*
32  * Test the nvpair inputs for the non-legacy zfs ioctl commands.
33  */
34 
35 static boolean_t unexpected_failures;
36 static int zfs_fd;
37 static const char *active_test;
38 
39 /*
40  * Tracks which zfs_ioc_t commands were tested
41  */
42 static boolean_t ioc_tested[ZFS_IOC_LAST - ZFS_IOC_FIRST];
43 
44 /*
45  * Legacy ioctls that are skipped (for now)
46  */
47 static const zfs_ioc_t ioc_skip[] = {
48 	ZFS_IOC_POOL_CREATE,
49 	ZFS_IOC_POOL_DESTROY,
50 	ZFS_IOC_POOL_IMPORT,
51 	ZFS_IOC_POOL_EXPORT,
52 	ZFS_IOC_POOL_CONFIGS,
53 	ZFS_IOC_POOL_STATS,
54 	ZFS_IOC_POOL_TRYIMPORT,
55 	ZFS_IOC_POOL_SCAN,
56 	ZFS_IOC_POOL_FREEZE,
57 	ZFS_IOC_POOL_UPGRADE,
58 	ZFS_IOC_POOL_GET_HISTORY,
59 
60 	ZFS_IOC_VDEV_ADD,
61 	ZFS_IOC_VDEV_REMOVE,
62 	ZFS_IOC_VDEV_SET_STATE,
63 	ZFS_IOC_VDEV_ATTACH,
64 	ZFS_IOC_VDEV_DETACH,
65 	ZFS_IOC_VDEV_SETPATH,
66 	ZFS_IOC_VDEV_SETFRU,
67 
68 	ZFS_IOC_OBJSET_STATS,
69 	ZFS_IOC_OBJSET_ZPLPROPS,
70 	ZFS_IOC_DATASET_LIST_NEXT,
71 	ZFS_IOC_SNAPSHOT_LIST_NEXT,
72 	ZFS_IOC_SET_PROP,
73 	ZFS_IOC_DESTROY,
74 	ZFS_IOC_RENAME,
75 	ZFS_IOC_RECV,
76 	ZFS_IOC_SEND,
77 	ZFS_IOC_INJECT_FAULT,
78 	ZFS_IOC_CLEAR_FAULT,
79 	ZFS_IOC_INJECT_LIST_NEXT,
80 	ZFS_IOC_ERROR_LOG,
81 	ZFS_IOC_CLEAR,
82 	ZFS_IOC_PROMOTE,
83 	ZFS_IOC_DSOBJ_TO_DSNAME,
84 	ZFS_IOC_OBJ_TO_PATH,
85 	ZFS_IOC_POOL_SET_PROPS,
86 	ZFS_IOC_POOL_GET_PROPS,
87 	ZFS_IOC_SET_FSACL,
88 	ZFS_IOC_GET_FSACL,
89 	ZFS_IOC_SHARE,
90 	ZFS_IOC_INHERIT_PROP,
91 	ZFS_IOC_SMB_ACL,
92 	ZFS_IOC_USERSPACE_ONE,
93 	ZFS_IOC_USERSPACE_MANY,
94 	ZFS_IOC_USERSPACE_UPGRADE,
95 	ZFS_IOC_OBJSET_RECVD_PROPS,
96 	ZFS_IOC_VDEV_SPLIT,
97 	ZFS_IOC_NEXT_OBJ,
98 	ZFS_IOC_DIFF,
99 	ZFS_IOC_TMP_SNAPSHOT,
100 	ZFS_IOC_OBJ_TO_STATS,
101 	ZFS_IOC_SPACE_WRITTEN,
102 	ZFS_IOC_POOL_REGUID,
103 	ZFS_IOC_SEND_PROGRESS,
104 	ZFS_IOC_EVENTS_NEXT,
105 	ZFS_IOC_EVENTS_CLEAR,
106 	ZFS_IOC_EVENTS_SEEK,
107 	ZFS_IOC_NEXTBOOT,
108 	ZFS_IOC_JAIL,
109 	ZFS_IOC_UNJAIL,
110 };
111 
112 
113 #define	IOC_INPUT_TEST(ioc, name, req, opt, err)		\
114 	IOC_INPUT_TEST_IMPL(ioc, name, req, opt, err, B_FALSE)
115 
116 #define	IOC_INPUT_TEST_WILD(ioc, name, req, opt, err)		\
117 	IOC_INPUT_TEST_IMPL(ioc, name, req, opt, err, B_TRUE)
118 
119 #define	IOC_INPUT_TEST_IMPL(ioc, name, req, opt, err, wild)	\
120 	do {							\
121 		active_test = __func__ + 5;			\
122 		ioc_tested[ioc - ZFS_IOC_FIRST] = B_TRUE;	\
123 		lzc_ioctl_test(ioc, name, req, opt, err, wild);	\
124 	} while (0)
125 
126 /*
127  * run a zfs ioctl command, verify expected results and log failures
128  */
129 static void
130 lzc_ioctl_run(zfs_ioc_t ioc, const char *name, nvlist_t *innvl, int expected)
131 {
132 	zfs_cmd_t zc = {"\0"};
133 	char *packed = NULL;
134 	const char *variant;
135 	size_t size = 0;
136 	int error = 0;
137 
138 	switch (expected) {
139 	case ZFS_ERR_IOC_ARG_UNAVAIL:
140 		variant = "unsupported input";
141 		break;
142 	case ZFS_ERR_IOC_ARG_REQUIRED:
143 		variant = "missing input";
144 		break;
145 	case ZFS_ERR_IOC_ARG_BADTYPE:
146 		variant = "invalid input type";
147 		break;
148 	default:
149 		variant = "valid input";
150 		break;
151 	}
152 
153 	packed = fnvlist_pack(innvl, &size);
154 	(void) strlcpy(zc.zc_name, name, sizeof (zc.zc_name));
155 	zc.zc_name[sizeof (zc.zc_name) - 1] = '\0';
156 	zc.zc_nvlist_src = (uint64_t)(uintptr_t)packed;
157 	zc.zc_nvlist_src_size = size;
158 	zc.zc_nvlist_dst_size = MAX(size * 2, 128 * 1024);
159 	zc.zc_nvlist_dst = (uint64_t)(uintptr_t)malloc(zc.zc_nvlist_dst_size);
160 
161 	if (lzc_ioctl_fd(zfs_fd, ioc, &zc) != 0)
162 		error = errno;
163 
164 	if (error != expected) {
165 		unexpected_failures = B_TRUE;
166 		(void) fprintf(stderr, "%s: Unexpected result with %s, "
167 		    "error %d (expecting %d)\n",
168 		    active_test, variant, error, expected);
169 	}
170 
171 	fnvlist_pack_free(packed, size);
172 	free((void *)(uintptr_t)zc.zc_nvlist_dst);
173 }
174 
175 /*
176  * Test each ioc for the following ioctl input errors:
177  *   ZFS_ERR_IOC_ARG_UNAVAIL	an input argument is not supported by kernel
178  *   ZFS_ERR_IOC_ARG_REQUIRED	a required input argument is missing
179  *   ZFS_ERR_IOC_ARG_BADTYPE	an input argument has an invalid type
180  */
181 static int
182 lzc_ioctl_test(zfs_ioc_t ioc, const char *name, nvlist_t *required,
183     nvlist_t *optional, int expected_error, boolean_t wildcard)
184 {
185 	nvlist_t *input = fnvlist_alloc();
186 	nvlist_t *future = fnvlist_alloc();
187 	int error = 0;
188 
189 	if (required != NULL) {
190 		for (nvpair_t *pair = nvlist_next_nvpair(required, NULL);
191 		    pair != NULL; pair = nvlist_next_nvpair(required, pair)) {
192 			fnvlist_add_nvpair(input, pair);
193 		}
194 	}
195 	if (optional != NULL) {
196 		for (nvpair_t *pair = nvlist_next_nvpair(optional, NULL);
197 		    pair != NULL; pair = nvlist_next_nvpair(optional, pair)) {
198 			fnvlist_add_nvpair(input, pair);
199 		}
200 	}
201 
202 	/*
203 	 * Generic input run with 'optional' nvlist pair
204 	 */
205 	if (!wildcard)
206 		fnvlist_add_nvlist(input, "optional", future);
207 	lzc_ioctl_run(ioc, name, input, expected_error);
208 	if (!wildcard)
209 		fnvlist_remove(input, "optional");
210 
211 	/*
212 	 * Bogus input value
213 	 */
214 	if (!wildcard) {
215 		fnvlist_add_string(input, "bogus_input", "bogus");
216 		lzc_ioctl_run(ioc, name, input, ZFS_ERR_IOC_ARG_UNAVAIL);
217 		fnvlist_remove(input, "bogus_input");
218 	}
219 
220 	/*
221 	 * Missing required inputs
222 	 */
223 	if (required != NULL) {
224 		nvlist_t *empty = fnvlist_alloc();
225 		lzc_ioctl_run(ioc, name, empty, ZFS_ERR_IOC_ARG_REQUIRED);
226 		nvlist_free(empty);
227 	}
228 
229 	/*
230 	 * Wrong nvpair type
231 	 */
232 	if (required != NULL || optional != NULL) {
233 		/*
234 		 * switch the type of one of the input pairs
235 		 */
236 		for (nvpair_t *pair = nvlist_next_nvpair(input, NULL);
237 		    pair != NULL; pair = nvlist_next_nvpair(input, pair)) {
238 			char pname[MAXNAMELEN];
239 			data_type_t ptype;
240 
241 			strlcpy(pname, nvpair_name(pair), sizeof (pname));
242 			pname[sizeof (pname) - 1] = '\0';
243 			ptype = nvpair_type(pair);
244 			fnvlist_remove_nvpair(input, pair);
245 
246 			switch (ptype) {
247 			case DATA_TYPE_STRING:
248 				fnvlist_add_uint64(input, pname, 42);
249 				break;
250 			default:
251 				fnvlist_add_string(input, pname, "bogus");
252 				break;
253 			}
254 		}
255 		lzc_ioctl_run(ioc, name, input, ZFS_ERR_IOC_ARG_BADTYPE);
256 	}
257 
258 	nvlist_free(future);
259 	nvlist_free(input);
260 
261 	return (error);
262 }
263 
264 static void
265 test_pool_sync(const char *pool)
266 {
267 	nvlist_t *required = fnvlist_alloc();
268 
269 	fnvlist_add_boolean_value(required, "force", B_TRUE);
270 
271 	IOC_INPUT_TEST(ZFS_IOC_POOL_SYNC, pool, required, NULL, 0);
272 
273 	nvlist_free(required);
274 }
275 
276 static void
277 test_pool_reopen(const char *pool)
278 {
279 	nvlist_t *optional = fnvlist_alloc();
280 
281 	fnvlist_add_boolean_value(optional, "scrub_restart", B_FALSE);
282 
283 	IOC_INPUT_TEST(ZFS_IOC_POOL_REOPEN, pool, NULL, optional, 0);
284 
285 	nvlist_free(optional);
286 }
287 
288 static void
289 test_pool_checkpoint(const char *pool)
290 {
291 	IOC_INPUT_TEST(ZFS_IOC_POOL_CHECKPOINT, pool, NULL, NULL, 0);
292 }
293 
294 static void
295 test_pool_discard_checkpoint(const char *pool)
296 {
297 	int err = lzc_pool_checkpoint(pool);
298 	if (err == 0 || err == ZFS_ERR_CHECKPOINT_EXISTS)
299 		IOC_INPUT_TEST(ZFS_IOC_POOL_DISCARD_CHECKPOINT, pool, NULL,
300 		    NULL, 0);
301 }
302 
303 static void
304 test_log_history(const char *pool)
305 {
306 	nvlist_t *required = fnvlist_alloc();
307 
308 	fnvlist_add_string(required, "message", "input check");
309 
310 	IOC_INPUT_TEST(ZFS_IOC_LOG_HISTORY, pool, required, NULL, 0);
311 
312 	nvlist_free(required);
313 }
314 
315 static void
316 test_create(const char *pool)
317 {
318 	char dataset[MAXNAMELEN + 32];
319 
320 	(void) snprintf(dataset, sizeof (dataset), "%s/create-fs", pool);
321 
322 	nvlist_t *required = fnvlist_alloc();
323 	nvlist_t *optional = fnvlist_alloc();
324 	nvlist_t *props = fnvlist_alloc();
325 
326 	fnvlist_add_int32(required, "type", DMU_OST_ZFS);
327 	fnvlist_add_uint64(props, "recordsize", 8192);
328 	fnvlist_add_nvlist(optional, "props", props);
329 
330 	IOC_INPUT_TEST(ZFS_IOC_CREATE, dataset, required, optional, 0);
331 
332 	nvlist_free(required);
333 	nvlist_free(optional);
334 }
335 
336 static void
337 test_snapshot(const char *pool, const char *snapshot)
338 {
339 	nvlist_t *required = fnvlist_alloc();
340 	nvlist_t *optional = fnvlist_alloc();
341 	nvlist_t *snaps = fnvlist_alloc();
342 	nvlist_t *props = fnvlist_alloc();
343 
344 	fnvlist_add_boolean(snaps, snapshot);
345 	fnvlist_add_nvlist(required, "snaps", snaps);
346 
347 	fnvlist_add_string(props, "org.openzfs:launch", "September 17th, 2013");
348 	fnvlist_add_nvlist(optional, "props", props);
349 
350 	IOC_INPUT_TEST(ZFS_IOC_SNAPSHOT, pool, required, optional, 0);
351 
352 	nvlist_free(props);
353 	nvlist_free(snaps);
354 	nvlist_free(optional);
355 	nvlist_free(required);
356 }
357 
358 static void
359 test_space_snaps(const char *snapshot)
360 {
361 	nvlist_t *required = fnvlist_alloc();
362 	fnvlist_add_string(required, "firstsnap", snapshot);
363 
364 	IOC_INPUT_TEST(ZFS_IOC_SPACE_SNAPS, snapshot, required, NULL, 0);
365 
366 	nvlist_free(required);
367 }
368 
369 static void
370 test_destroy_snaps(const char *pool, const char *snapshot)
371 {
372 	nvlist_t *required = fnvlist_alloc();
373 	nvlist_t *snaps = fnvlist_alloc();
374 
375 	fnvlist_add_boolean(snaps, snapshot);
376 	fnvlist_add_nvlist(required, "snaps", snaps);
377 
378 	IOC_INPUT_TEST(ZFS_IOC_DESTROY_SNAPS, pool, required, NULL, 0);
379 
380 	nvlist_free(snaps);
381 	nvlist_free(required);
382 }
383 
384 
385 static void
386 test_bookmark(const char *pool, const char *snapshot, const char *bookmark)
387 {
388 	nvlist_t *required = fnvlist_alloc();
389 
390 	fnvlist_add_string(required, bookmark, snapshot);
391 
392 	IOC_INPUT_TEST_WILD(ZFS_IOC_BOOKMARK, pool, required, NULL, 0);
393 
394 	nvlist_free(required);
395 }
396 
397 static void
398 test_get_bookmarks(const char *dataset)
399 {
400 	nvlist_t *optional = fnvlist_alloc();
401 
402 	fnvlist_add_boolean(optional, "guid");
403 	fnvlist_add_boolean(optional, "createtxg");
404 	fnvlist_add_boolean(optional, "creation");
405 
406 	IOC_INPUT_TEST_WILD(ZFS_IOC_GET_BOOKMARKS, dataset, NULL, optional, 0);
407 
408 	nvlist_free(optional);
409 }
410 
411 static void
412 test_destroy_bookmarks(const char *pool, const char *bookmark)
413 {
414 	nvlist_t *required = fnvlist_alloc();
415 
416 	fnvlist_add_boolean(required, bookmark);
417 
418 	IOC_INPUT_TEST_WILD(ZFS_IOC_DESTROY_BOOKMARKS, pool, required, NULL, 0);
419 
420 	nvlist_free(required);
421 }
422 
423 static void
424 test_clone(const char *snapshot, const char *clone)
425 {
426 	nvlist_t *required = fnvlist_alloc();
427 	nvlist_t *optional = fnvlist_alloc();
428 	nvlist_t *props = fnvlist_alloc();
429 
430 	fnvlist_add_string(required, "origin", snapshot);
431 
432 	IOC_INPUT_TEST(ZFS_IOC_CLONE, clone, required, NULL, 0);
433 
434 	nvlist_free(props);
435 	nvlist_free(optional);
436 	nvlist_free(required);
437 }
438 
439 static void
440 test_rollback(const char *dataset, const char *snapshot)
441 {
442 	nvlist_t *optional = fnvlist_alloc();
443 
444 	fnvlist_add_string(optional, "target", snapshot);
445 
446 	IOC_INPUT_TEST(ZFS_IOC_ROLLBACK, dataset, NULL, optional, B_FALSE);
447 
448 	nvlist_free(optional);
449 }
450 
451 static void
452 test_hold(const char *pool, const char *snapshot)
453 {
454 	nvlist_t *required = fnvlist_alloc();
455 	nvlist_t *optional = fnvlist_alloc();
456 	nvlist_t *holds = fnvlist_alloc();
457 
458 	fnvlist_add_string(holds, snapshot, "libzfs_check_hold");
459 	fnvlist_add_nvlist(required, "holds", holds);
460 	fnvlist_add_int32(optional, "cleanup_fd", zfs_fd);
461 
462 	IOC_INPUT_TEST(ZFS_IOC_HOLD, pool, required, optional, 0);
463 
464 	nvlist_free(holds);
465 	nvlist_free(optional);
466 	nvlist_free(required);
467 }
468 
469 static void
470 test_get_holds(const char *snapshot)
471 {
472 	IOC_INPUT_TEST(ZFS_IOC_GET_HOLDS, snapshot, NULL, NULL, 0);
473 }
474 
475 static void
476 test_release(const char *pool, const char *snapshot)
477 {
478 	nvlist_t *required = fnvlist_alloc();
479 	nvlist_t *release = fnvlist_alloc();
480 
481 	fnvlist_add_boolean(release, "libzfs_check_hold");
482 	fnvlist_add_nvlist(required, snapshot, release);
483 
484 	IOC_INPUT_TEST_WILD(ZFS_IOC_RELEASE, pool, required, NULL, 0);
485 
486 	nvlist_free(release);
487 	nvlist_free(required);
488 }
489 
490 
491 static void
492 test_send_new(const char *snapshot, int fd)
493 {
494 	nvlist_t *required = fnvlist_alloc();
495 	nvlist_t *optional = fnvlist_alloc();
496 
497 	fnvlist_add_int32(required, "fd", fd);
498 
499 	fnvlist_add_boolean(optional, "largeblockok");
500 	fnvlist_add_boolean(optional, "embedok");
501 	fnvlist_add_boolean(optional, "compressok");
502 	fnvlist_add_boolean(optional, "rawok");
503 
504 	/*
505 	 * TODO - Resumable send is harder to set up. So we currently
506 	 * ignore testing for that variant.
507 	 */
508 #if 0
509 	fnvlist_add_string(optional, "fromsnap", from);
510 	fnvlist_add_uint64(optional, "resume_object", resumeobj);
511 	fnvlist_add_uint64(optional, "resume_offset", offset);
512 	fnvlist_add_boolean(optional, "savedok");
513 #endif
514 	IOC_INPUT_TEST(ZFS_IOC_SEND_NEW, snapshot, required, optional, 0);
515 
516 	nvlist_free(optional);
517 	nvlist_free(required);
518 }
519 
520 static void
521 test_recv_new(const char *dataset, int fd)
522 {
523 	dmu_replay_record_t drr = { 0 };
524 	nvlist_t *required = fnvlist_alloc();
525 	nvlist_t *optional = fnvlist_alloc();
526 	nvlist_t *props = fnvlist_alloc();
527 	char snapshot[MAXNAMELEN + 32];
528 	ssize_t count;
529 
530 	int cleanup_fd = open(ZFS_DEV, O_RDWR);
531 	if (cleanup_fd == -1) {
532 		(void) fprintf(stderr, "open(%s) failed: %s\n", ZFS_DEV,
533 		    strerror(errno));
534 		exit(EXIT_FAILURE);
535 	}
536 	(void) snprintf(snapshot, sizeof (snapshot), "%s@replicant", dataset);
537 
538 	count = pread(fd, &drr, sizeof (drr), 0);
539 	if (count != sizeof (drr)) {
540 		(void) fprintf(stderr, "could not read stream: %s\n",
541 		    strerror(errno));
542 	}
543 
544 	fnvlist_add_string(required, "snapname", snapshot);
545 	fnvlist_add_byte_array(required, "begin_record", (uchar_t *)&drr,
546 	    sizeof (drr));
547 	fnvlist_add_int32(required, "input_fd", fd);
548 
549 	fnvlist_add_string(props, "org.openzfs:launch", "September 17th, 2013");
550 	fnvlist_add_nvlist(optional, "localprops", props);
551 	fnvlist_add_boolean(optional, "force");
552 	fnvlist_add_boolean(optional, "heal");
553 	fnvlist_add_int32(optional, "cleanup_fd", cleanup_fd);
554 
555 	/*
556 	 * TODO - Resumable receive is harder to set up. So we currently
557 	 * ignore testing for one.
558 	 */
559 #if 0
560 	fnvlist_add_nvlist(optional, "props", recvdprops);
561 	fnvlist_add_string(optional, "origin", origin);
562 	fnvlist_add_boolean(optional, "resumable");
563 	fnvlist_add_uint64(optional, "action_handle", *action_handle);
564 #endif
565 	IOC_INPUT_TEST(ZFS_IOC_RECV_NEW, dataset, required, optional,
566 	    ENOTSUP);
567 
568 	nvlist_free(props);
569 	nvlist_free(optional);
570 	nvlist_free(required);
571 
572 	(void) close(cleanup_fd);
573 }
574 
575 static void
576 test_send_space(const char *snapshot1, const char *snapshot2)
577 {
578 	nvlist_t *optional = fnvlist_alloc();
579 
580 	fnvlist_add_string(optional, "from", snapshot1);
581 	fnvlist_add_boolean(optional, "largeblockok");
582 	fnvlist_add_boolean(optional, "embedok");
583 	fnvlist_add_boolean(optional, "compressok");
584 	fnvlist_add_boolean(optional, "rawok");
585 
586 	IOC_INPUT_TEST(ZFS_IOC_SEND_SPACE, snapshot2, NULL, optional, 0);
587 
588 	nvlist_free(optional);
589 }
590 
591 static void
592 test_remap(const char *dataset)
593 {
594 	IOC_INPUT_TEST(ZFS_IOC_REMAP, dataset, NULL, NULL, 0);
595 }
596 
597 static void
598 test_channel_program(const char *pool)
599 {
600 	const char *program =
601 	    "arg = ...\n"
602 	    "argv = arg[\"argv\"]\n"
603 	    "return argv[1]";
604 	const char *const argv[1] = { "Hello World!" };
605 	nvlist_t *required = fnvlist_alloc();
606 	nvlist_t *optional = fnvlist_alloc();
607 	nvlist_t *args = fnvlist_alloc();
608 
609 	fnvlist_add_string(required, "program", program);
610 	fnvlist_add_string_array(args, "argv", argv, 1);
611 	fnvlist_add_nvlist(required, "arg", args);
612 
613 	fnvlist_add_boolean_value(optional, "sync", B_TRUE);
614 	fnvlist_add_uint64(optional, "instrlimit", 1000 * 1000);
615 	fnvlist_add_uint64(optional, "memlimit", 8192 * 1024);
616 
617 	IOC_INPUT_TEST(ZFS_IOC_CHANNEL_PROGRAM, pool, required, optional, 0);
618 
619 	nvlist_free(args);
620 	nvlist_free(optional);
621 	nvlist_free(required);
622 }
623 
624 #define	WRAPPING_KEY_LEN	32
625 
626 static void
627 test_load_key(const char *dataset)
628 {
629 	nvlist_t *required = fnvlist_alloc();
630 	nvlist_t *optional = fnvlist_alloc();
631 	nvlist_t *hidden = fnvlist_alloc();
632 	uint8_t keydata[WRAPPING_KEY_LEN] = {0};
633 
634 	fnvlist_add_uint8_array(hidden, "wkeydata", keydata, sizeof (keydata));
635 	fnvlist_add_nvlist(required, "hidden_args", hidden);
636 	fnvlist_add_boolean(optional, "noop");
637 
638 	IOC_INPUT_TEST(ZFS_IOC_LOAD_KEY, dataset, required, optional, EINVAL);
639 	nvlist_free(hidden);
640 	nvlist_free(optional);
641 	nvlist_free(required);
642 }
643 
644 static void
645 test_change_key(const char *dataset)
646 {
647 	IOC_INPUT_TEST(ZFS_IOC_CHANGE_KEY, dataset, NULL, NULL, EINVAL);
648 }
649 
650 static void
651 test_unload_key(const char *dataset)
652 {
653 	IOC_INPUT_TEST(ZFS_IOC_UNLOAD_KEY, dataset, NULL, NULL, EACCES);
654 }
655 
656 static void
657 test_vdev_initialize(const char *pool)
658 {
659 	nvlist_t *required = fnvlist_alloc();
660 	nvlist_t *vdev_guids = fnvlist_alloc();
661 
662 	fnvlist_add_uint64(vdev_guids, "path", 0xdeadbeefdeadbeef);
663 	fnvlist_add_uint64(required, ZPOOL_INITIALIZE_COMMAND,
664 	    POOL_INITIALIZE_START);
665 	fnvlist_add_nvlist(required, ZPOOL_INITIALIZE_VDEVS, vdev_guids);
666 
667 	IOC_INPUT_TEST(ZFS_IOC_POOL_INITIALIZE, pool, required, NULL, EINVAL);
668 	nvlist_free(vdev_guids);
669 	nvlist_free(required);
670 }
671 
672 static void
673 test_vdev_trim(const char *pool)
674 {
675 	nvlist_t *required = fnvlist_alloc();
676 	nvlist_t *optional = fnvlist_alloc();
677 	nvlist_t *vdev_guids = fnvlist_alloc();
678 
679 	fnvlist_add_uint64(vdev_guids, "path", 0xdeadbeefdeadbeef);
680 	fnvlist_add_uint64(required, ZPOOL_TRIM_COMMAND, POOL_TRIM_START);
681 	fnvlist_add_nvlist(required, ZPOOL_TRIM_VDEVS, vdev_guids);
682 	fnvlist_add_uint64(optional, ZPOOL_TRIM_RATE, 1ULL << 30);
683 	fnvlist_add_boolean_value(optional, ZPOOL_TRIM_SECURE, B_TRUE);
684 
685 	IOC_INPUT_TEST(ZFS_IOC_POOL_TRIM, pool, required, optional, EINVAL);
686 	nvlist_free(vdev_guids);
687 	nvlist_free(optional);
688 	nvlist_free(required);
689 }
690 
691 static int
692 zfs_destroy(const char *dataset)
693 {
694 	zfs_cmd_t zc = {"\0"};
695 	int err;
696 
697 	(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
698 	zc.zc_name[sizeof (zc.zc_name) - 1] = '\0';
699 	err = lzc_ioctl_fd(zfs_fd, ZFS_IOC_DESTROY, &zc);
700 
701 	return (err == 0 ? 0 : errno);
702 }
703 
704 static void
705 test_redact(const char *snapshot1, const char *snapshot2)
706 {
707 	nvlist_t *required = fnvlist_alloc();
708 	nvlist_t *snapnv = fnvlist_alloc();
709 	char bookmark[MAXNAMELEN + 32];
710 
711 	fnvlist_add_string(required, "bookname", "testbookmark");
712 	fnvlist_add_boolean(snapnv, snapshot2);
713 	fnvlist_add_nvlist(required, "snapnv", snapnv);
714 
715 	IOC_INPUT_TEST(ZFS_IOC_REDACT, snapshot1, required, NULL, 0);
716 
717 	nvlist_free(snapnv);
718 	nvlist_free(required);
719 
720 	strlcpy(bookmark, snapshot1, sizeof (bookmark));
721 	*strchr(bookmark, '@') = '\0';
722 	strlcat(bookmark, "#testbookmark", sizeof (bookmark) -
723 	    strlen(bookmark));
724 	zfs_destroy(bookmark);
725 }
726 
727 static void
728 test_get_bookmark_props(const char *bookmark)
729 {
730 	IOC_INPUT_TEST(ZFS_IOC_GET_BOOKMARK_PROPS, bookmark, NULL, NULL, 0);
731 }
732 
733 static void
734 test_wait(const char *pool)
735 {
736 	nvlist_t *required = fnvlist_alloc();
737 	nvlist_t *optional = fnvlist_alloc();
738 
739 	fnvlist_add_int32(required, "wait_activity", 2);
740 	fnvlist_add_uint64(optional, "wait_tag", 0xdeadbeefdeadbeef);
741 
742 	IOC_INPUT_TEST(ZFS_IOC_WAIT, pool, required, optional, EINVAL);
743 
744 	nvlist_free(required);
745 	nvlist_free(optional);
746 }
747 
748 static void
749 test_wait_fs(const char *dataset)
750 {
751 	nvlist_t *required = fnvlist_alloc();
752 
753 	fnvlist_add_int32(required, "wait_activity", 2);
754 
755 	IOC_INPUT_TEST(ZFS_IOC_WAIT_FS, dataset, required, NULL, EINVAL);
756 
757 	nvlist_free(required);
758 }
759 
760 static void
761 test_get_bootenv(const char *pool)
762 {
763 	IOC_INPUT_TEST(ZFS_IOC_GET_BOOTENV, pool, NULL, NULL, 0);
764 }
765 
766 static void
767 test_set_bootenv(const char *pool)
768 {
769 	nvlist_t *required = fnvlist_alloc();
770 
771 	fnvlist_add_uint64(required, "version", VB_RAW);
772 	fnvlist_add_string(required, GRUB_ENVMAP, "test");
773 
774 	IOC_INPUT_TEST_WILD(ZFS_IOC_SET_BOOTENV, pool, required, NULL, 0);
775 
776 	nvlist_free(required);
777 }
778 
779 static void
780 zfs_ioc_input_tests(const char *pool)
781 {
782 	char filepath[] = "/tmp/ioc_test_file_XXXXXX";
783 	char dataset[ZFS_MAX_DATASET_NAME_LEN];
784 	char snapbase[ZFS_MAX_DATASET_NAME_LEN + 32];
785 	char snapshot[ZFS_MAX_DATASET_NAME_LEN + 32];
786 	char bookmark[ZFS_MAX_DATASET_NAME_LEN + 32];
787 	char backup[ZFS_MAX_DATASET_NAME_LEN];
788 	char clone[ZFS_MAX_DATASET_NAME_LEN];
789 	char clonesnap[ZFS_MAX_DATASET_NAME_LEN + 32];
790 	int tmpfd, err;
791 
792 	/*
793 	 * Setup names and create a working dataset
794 	 */
795 	(void) snprintf(dataset, sizeof (dataset), "%s/test-fs", pool);
796 	(void) snprintf(snapbase, sizeof (snapbase), "%s@snapbase", dataset);
797 	(void) snprintf(snapshot, sizeof (snapshot), "%s@snapshot", dataset);
798 	(void) snprintf(bookmark, sizeof (bookmark), "%s#bookmark", dataset);
799 	(void) snprintf(clone, sizeof (clone), "%s/test-fs-clone", pool);
800 	(void) snprintf(clonesnap, sizeof (clonesnap), "%s@snap", clone);
801 	(void) snprintf(backup, sizeof (backup), "%s/backup", pool);
802 
803 	err = lzc_create(dataset, LZC_DATSET_TYPE_ZFS, NULL, NULL, -1);
804 	if (err) {
805 		(void) fprintf(stderr, "could not create '%s': %s\n",
806 		    dataset, strerror(errno));
807 		exit(2);
808 	}
809 
810 	tmpfd = mkstemp(filepath);
811 	if (tmpfd < 0) {
812 		(void) fprintf(stderr, "could not create '%s': %s\n",
813 		    filepath, strerror(errno));
814 		exit(2);
815 	}
816 
817 	/*
818 	 * run a test for each ioctl
819 	 * Note that some test build on previous test operations
820 	 */
821 	test_pool_sync(pool);
822 	test_pool_reopen(pool);
823 	test_pool_checkpoint(pool);
824 	test_pool_discard_checkpoint(pool);
825 	test_log_history(pool);
826 
827 	test_create(dataset);
828 	test_snapshot(pool, snapbase);
829 	test_snapshot(pool, snapshot);
830 
831 	test_space_snaps(snapshot);
832 	test_send_space(snapbase, snapshot);
833 	test_send_new(snapshot, tmpfd);
834 	test_recv_new(backup, tmpfd);
835 
836 	test_bookmark(pool, snapshot, bookmark);
837 	test_get_bookmarks(dataset);
838 	test_get_bookmark_props(bookmark);
839 	test_destroy_bookmarks(pool, bookmark);
840 
841 	test_hold(pool, snapshot);
842 	test_get_holds(snapshot);
843 	test_release(pool, snapshot);
844 
845 	test_clone(snapshot, clone);
846 	test_snapshot(pool, clonesnap);
847 	test_redact(snapshot, clonesnap);
848 	zfs_destroy(clonesnap);
849 	zfs_destroy(clone);
850 
851 	test_rollback(dataset, snapshot);
852 	test_destroy_snaps(pool, snapshot);
853 	test_destroy_snaps(pool, snapbase);
854 
855 	test_remap(dataset);
856 	test_channel_program(pool);
857 
858 	test_load_key(dataset);
859 	test_change_key(dataset);
860 	test_unload_key(dataset);
861 
862 	test_vdev_initialize(pool);
863 	test_vdev_trim(pool);
864 
865 	test_wait(pool);
866 	test_wait_fs(dataset);
867 
868 	test_set_bootenv(pool);
869 	test_get_bootenv(pool);
870 
871 	/*
872 	 * cleanup
873 	 */
874 	zfs_cmd_t zc = {"\0"};
875 
876 	nvlist_t *snaps = fnvlist_alloc();
877 	fnvlist_add_boolean(snaps, snapshot);
878 	(void) lzc_destroy_snaps(snaps, B_FALSE, NULL);
879 	nvlist_free(snaps);
880 
881 	(void) zfs_destroy(dataset);
882 	(void) zfs_destroy(backup);
883 
884 	(void) close(tmpfd);
885 	(void) unlink(filepath);
886 
887 	/*
888 	 * All the unused slots should yield ZFS_ERR_IOC_CMD_UNAVAIL
889 	 */
890 	for (int i = 0; i < ARRAY_SIZE(ioc_skip); i++) {
891 		if (ioc_tested[ioc_skip[i] - ZFS_IOC_FIRST])
892 			(void) fprintf(stderr, "cmd %d tested, not skipped!\n",
893 			    (int)(ioc_skip[i] - ZFS_IOC_FIRST));
894 
895 		ioc_tested[ioc_skip[i] - ZFS_IOC_FIRST] = B_TRUE;
896 	}
897 
898 	(void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name));
899 	zc.zc_name[sizeof (zc.zc_name) - 1] = '\0';
900 
901 	for (unsigned ioc = ZFS_IOC_FIRST; ioc < ZFS_IOC_LAST; ioc++) {
902 		unsigned cmd = ioc - ZFS_IOC_FIRST;
903 
904 		if (ioc_tested[cmd])
905 			continue;
906 
907 		if (lzc_ioctl_fd(zfs_fd, ioc, &zc) != 0 &&
908 		    errno != ZFS_ERR_IOC_CMD_UNAVAIL) {
909 			(void) fprintf(stderr, "cmd %d is missing a test case "
910 			    "(%d)\n", cmd, errno);
911 		}
912 	}
913 }
914 
915 enum zfs_ioc_ref {
916 #ifdef __FreeBSD__
917 	ZFS_IOC_BASE = 0,
918 #else
919 	ZFS_IOC_BASE = ('Z' << 8),
920 #endif
921 	ZFS_IOC_PLATFORM_BASE = ZFS_IOC_BASE + 0x80,
922 };
923 
924 /*
925  * Canonical reference check of /dev/zfs ioctl numbers.
926  * These cannot change and new ioctl numbers must be appended.
927  */
928 static boolean_t
929 validate_ioc_values(void)
930 {
931 	boolean_t result = B_TRUE;
932 
933 #define	CHECK(expr) do { \
934 	if (!(expr)) { \
935 		result = B_FALSE; \
936 		fprintf(stderr, "(%s) === FALSE\n", #expr); \
937 	} \
938 } while (0)
939 
940 	CHECK(ZFS_IOC_BASE + 0 == ZFS_IOC_POOL_CREATE);
941 	CHECK(ZFS_IOC_BASE + 1 == ZFS_IOC_POOL_DESTROY);
942 	CHECK(ZFS_IOC_BASE + 2 == ZFS_IOC_POOL_IMPORT);
943 	CHECK(ZFS_IOC_BASE + 3 == ZFS_IOC_POOL_EXPORT);
944 	CHECK(ZFS_IOC_BASE + 4 == ZFS_IOC_POOL_CONFIGS);
945 	CHECK(ZFS_IOC_BASE + 5 == ZFS_IOC_POOL_STATS);
946 	CHECK(ZFS_IOC_BASE + 6 == ZFS_IOC_POOL_TRYIMPORT);
947 	CHECK(ZFS_IOC_BASE + 7 == ZFS_IOC_POOL_SCAN);
948 	CHECK(ZFS_IOC_BASE + 8 == ZFS_IOC_POOL_FREEZE);
949 	CHECK(ZFS_IOC_BASE + 9 == ZFS_IOC_POOL_UPGRADE);
950 	CHECK(ZFS_IOC_BASE + 10 == ZFS_IOC_POOL_GET_HISTORY);
951 	CHECK(ZFS_IOC_BASE + 11 == ZFS_IOC_VDEV_ADD);
952 	CHECK(ZFS_IOC_BASE + 12 == ZFS_IOC_VDEV_REMOVE);
953 	CHECK(ZFS_IOC_BASE + 13 == ZFS_IOC_VDEV_SET_STATE);
954 	CHECK(ZFS_IOC_BASE + 14 == ZFS_IOC_VDEV_ATTACH);
955 	CHECK(ZFS_IOC_BASE + 15 == ZFS_IOC_VDEV_DETACH);
956 	CHECK(ZFS_IOC_BASE + 16 == ZFS_IOC_VDEV_SETPATH);
957 	CHECK(ZFS_IOC_BASE + 17 == ZFS_IOC_VDEV_SETFRU);
958 	CHECK(ZFS_IOC_BASE + 18 == ZFS_IOC_OBJSET_STATS);
959 	CHECK(ZFS_IOC_BASE + 19 == ZFS_IOC_OBJSET_ZPLPROPS);
960 	CHECK(ZFS_IOC_BASE + 20 == ZFS_IOC_DATASET_LIST_NEXT);
961 	CHECK(ZFS_IOC_BASE + 21 == ZFS_IOC_SNAPSHOT_LIST_NEXT);
962 	CHECK(ZFS_IOC_BASE + 22 == ZFS_IOC_SET_PROP);
963 	CHECK(ZFS_IOC_BASE + 23 == ZFS_IOC_CREATE);
964 	CHECK(ZFS_IOC_BASE + 24 == ZFS_IOC_DESTROY);
965 	CHECK(ZFS_IOC_BASE + 25 == ZFS_IOC_ROLLBACK);
966 	CHECK(ZFS_IOC_BASE + 26 == ZFS_IOC_RENAME);
967 	CHECK(ZFS_IOC_BASE + 27 == ZFS_IOC_RECV);
968 	CHECK(ZFS_IOC_BASE + 28 == ZFS_IOC_SEND);
969 	CHECK(ZFS_IOC_BASE + 29 == ZFS_IOC_INJECT_FAULT);
970 	CHECK(ZFS_IOC_BASE + 30 == ZFS_IOC_CLEAR_FAULT);
971 	CHECK(ZFS_IOC_BASE + 31 == ZFS_IOC_INJECT_LIST_NEXT);
972 	CHECK(ZFS_IOC_BASE + 32 == ZFS_IOC_ERROR_LOG);
973 	CHECK(ZFS_IOC_BASE + 33 == ZFS_IOC_CLEAR);
974 	CHECK(ZFS_IOC_BASE + 34 == ZFS_IOC_PROMOTE);
975 	CHECK(ZFS_IOC_BASE + 35 == ZFS_IOC_SNAPSHOT);
976 	CHECK(ZFS_IOC_BASE + 36 == ZFS_IOC_DSOBJ_TO_DSNAME);
977 	CHECK(ZFS_IOC_BASE + 37 == ZFS_IOC_OBJ_TO_PATH);
978 	CHECK(ZFS_IOC_BASE + 38 == ZFS_IOC_POOL_SET_PROPS);
979 	CHECK(ZFS_IOC_BASE + 39 == ZFS_IOC_POOL_GET_PROPS);
980 	CHECK(ZFS_IOC_BASE + 40 == ZFS_IOC_SET_FSACL);
981 	CHECK(ZFS_IOC_BASE + 41 == ZFS_IOC_GET_FSACL);
982 	CHECK(ZFS_IOC_BASE + 42 == ZFS_IOC_SHARE);
983 	CHECK(ZFS_IOC_BASE + 43 == ZFS_IOC_INHERIT_PROP);
984 	CHECK(ZFS_IOC_BASE + 44 == ZFS_IOC_SMB_ACL);
985 	CHECK(ZFS_IOC_BASE + 45 == ZFS_IOC_USERSPACE_ONE);
986 	CHECK(ZFS_IOC_BASE + 46 == ZFS_IOC_USERSPACE_MANY);
987 	CHECK(ZFS_IOC_BASE + 47 == ZFS_IOC_USERSPACE_UPGRADE);
988 	CHECK(ZFS_IOC_BASE + 48 == ZFS_IOC_HOLD);
989 	CHECK(ZFS_IOC_BASE + 49 == ZFS_IOC_RELEASE);
990 	CHECK(ZFS_IOC_BASE + 50 == ZFS_IOC_GET_HOLDS);
991 	CHECK(ZFS_IOC_BASE + 51 == ZFS_IOC_OBJSET_RECVD_PROPS);
992 	CHECK(ZFS_IOC_BASE + 52 == ZFS_IOC_VDEV_SPLIT);
993 	CHECK(ZFS_IOC_BASE + 53 == ZFS_IOC_NEXT_OBJ);
994 	CHECK(ZFS_IOC_BASE + 54 == ZFS_IOC_DIFF);
995 	CHECK(ZFS_IOC_BASE + 55 == ZFS_IOC_TMP_SNAPSHOT);
996 	CHECK(ZFS_IOC_BASE + 56 == ZFS_IOC_OBJ_TO_STATS);
997 	CHECK(ZFS_IOC_BASE + 57 == ZFS_IOC_SPACE_WRITTEN);
998 	CHECK(ZFS_IOC_BASE + 58 == ZFS_IOC_SPACE_SNAPS);
999 	CHECK(ZFS_IOC_BASE + 59 == ZFS_IOC_DESTROY_SNAPS);
1000 	CHECK(ZFS_IOC_BASE + 60 == ZFS_IOC_POOL_REGUID);
1001 	CHECK(ZFS_IOC_BASE + 61 == ZFS_IOC_POOL_REOPEN);
1002 	CHECK(ZFS_IOC_BASE + 62 == ZFS_IOC_SEND_PROGRESS);
1003 	CHECK(ZFS_IOC_BASE + 63 == ZFS_IOC_LOG_HISTORY);
1004 	CHECK(ZFS_IOC_BASE + 64 == ZFS_IOC_SEND_NEW);
1005 	CHECK(ZFS_IOC_BASE + 65 == ZFS_IOC_SEND_SPACE);
1006 	CHECK(ZFS_IOC_BASE + 66 == ZFS_IOC_CLONE);
1007 	CHECK(ZFS_IOC_BASE + 67 == ZFS_IOC_BOOKMARK);
1008 	CHECK(ZFS_IOC_BASE + 68 == ZFS_IOC_GET_BOOKMARKS);
1009 	CHECK(ZFS_IOC_BASE + 69 == ZFS_IOC_DESTROY_BOOKMARKS);
1010 	CHECK(ZFS_IOC_BASE + 70 == ZFS_IOC_RECV_NEW);
1011 	CHECK(ZFS_IOC_BASE + 71 == ZFS_IOC_POOL_SYNC);
1012 	CHECK(ZFS_IOC_BASE + 72 == ZFS_IOC_CHANNEL_PROGRAM);
1013 	CHECK(ZFS_IOC_BASE + 73 == ZFS_IOC_LOAD_KEY);
1014 	CHECK(ZFS_IOC_BASE + 74 == ZFS_IOC_UNLOAD_KEY);
1015 	CHECK(ZFS_IOC_BASE + 75 == ZFS_IOC_CHANGE_KEY);
1016 	CHECK(ZFS_IOC_BASE + 76 == ZFS_IOC_REMAP);
1017 	CHECK(ZFS_IOC_BASE + 77 == ZFS_IOC_POOL_CHECKPOINT);
1018 	CHECK(ZFS_IOC_BASE + 78 == ZFS_IOC_POOL_DISCARD_CHECKPOINT);
1019 	CHECK(ZFS_IOC_BASE + 79 == ZFS_IOC_POOL_INITIALIZE);
1020 	CHECK(ZFS_IOC_BASE + 80 == ZFS_IOC_POOL_TRIM);
1021 	CHECK(ZFS_IOC_BASE + 81 == ZFS_IOC_REDACT);
1022 	CHECK(ZFS_IOC_BASE + 82 == ZFS_IOC_GET_BOOKMARK_PROPS);
1023 	CHECK(ZFS_IOC_BASE + 83 == ZFS_IOC_WAIT);
1024 	CHECK(ZFS_IOC_BASE + 84 == ZFS_IOC_WAIT_FS);
1025 	CHECK(ZFS_IOC_PLATFORM_BASE + 1 == ZFS_IOC_EVENTS_NEXT);
1026 	CHECK(ZFS_IOC_PLATFORM_BASE + 2 == ZFS_IOC_EVENTS_CLEAR);
1027 	CHECK(ZFS_IOC_PLATFORM_BASE + 3 == ZFS_IOC_EVENTS_SEEK);
1028 	CHECK(ZFS_IOC_PLATFORM_BASE + 4 == ZFS_IOC_NEXTBOOT);
1029 	CHECK(ZFS_IOC_PLATFORM_BASE + 5 == ZFS_IOC_JAIL);
1030 	CHECK(ZFS_IOC_PLATFORM_BASE + 6 == ZFS_IOC_UNJAIL);
1031 	CHECK(ZFS_IOC_PLATFORM_BASE + 7 == ZFS_IOC_SET_BOOTENV);
1032 	CHECK(ZFS_IOC_PLATFORM_BASE + 8 == ZFS_IOC_GET_BOOTENV);
1033 
1034 #undef CHECK
1035 
1036 	return (result);
1037 }
1038 
1039 int
1040 main(int argc, const char *argv[])
1041 {
1042 	if (argc != 2) {
1043 		(void) fprintf(stderr, "usage: %s <pool>\n", argv[0]);
1044 		exit(2);
1045 	}
1046 
1047 	if (!validate_ioc_values()) {
1048 		(void) fprintf(stderr, "WARNING: zfs_ioc_t has binary "
1049 		    "incompatible command values\n");
1050 		exit(3);
1051 	}
1052 
1053 	(void) libzfs_core_init();
1054 	zfs_fd = open(ZFS_DEV, O_RDWR);
1055 	if (zfs_fd < 0) {
1056 		(void) fprintf(stderr, "open: %s\n", strerror(errno));
1057 		libzfs_core_fini();
1058 		exit(2);
1059 	}
1060 
1061 	zfs_ioc_input_tests(argv[1]);
1062 
1063 	(void) close(zfs_fd);
1064 	libzfs_core_fini();
1065 
1066 	return (unexpected_failures);
1067 }
1068