1 /*-
2 * Copyright (c) 2009-2013 The FreeBSD Foundation
3 * Copyright (c) 2013-2015 Mariusz Zaborski <oshogbo@FreeBSD.org>
4 * All rights reserved.
5 *
6 * This software was developed by Pawel Jakub Dawidek under sponsorship from
7 * the FreeBSD Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include <sys/param.h>
35 #include <sys/endian.h>
36 #include <sys/queue.h>
37
38 #ifdef _KERNEL
39
40 #include <sys/errno.h>
41 #include <sys/kernel.h>
42 #include <sys/lock.h>
43 #include <sys/malloc.h>
44 #include <sys/systm.h>
45
46 #include <machine/stdarg.h>
47
48 #else
49 #include <sys/socket.h>
50
51 #include <errno.h>
52 #include <stdarg.h>
53 #include <stdbool.h>
54 #include <stdint.h>
55 #define _WITH_DPRINTF
56 #include <stdio.h>
57 #include <stdlib.h>
58 #include <string.h>
59 #include <unistd.h>
60
61 #include "msgio.h"
62 #endif
63
64 #ifdef HAVE_PJDLOG
65 #include <pjdlog.h>
66 #endif
67
68 #include <sys/nv.h>
69
70 #include "nv_impl.h"
71 #include "nvlist_impl.h"
72 #include "nvpair_impl.h"
73
74 #ifndef HAVE_PJDLOG
75 #ifdef _KERNEL
76 #define PJDLOG_ASSERT(...) MPASS(__VA_ARGS__)
77 #define PJDLOG_RASSERT(expr, ...) KASSERT(expr, (__VA_ARGS__))
78 #define PJDLOG_ABORT(...) panic(__VA_ARGS__)
79 #else
80 #include <assert.h>
81 #define PJDLOG_ASSERT(...) assert(__VA_ARGS__)
82 #define PJDLOG_RASSERT(expr, ...) assert(expr)
83 #define PJDLOG_ABORT(...) do { \
84 fprintf(stderr, "%s:%u: ", __FILE__, __LINE__); \
85 fprintf(stderr, __VA_ARGS__); \
86 fprintf(stderr, "\n"); \
87 abort(); \
88 } while (0)
89 #endif
90 #endif
91
92 #define NV_FLAG_PRIVATE_MASK (NV_FLAG_BIG_ENDIAN | NV_FLAG_IN_ARRAY)
93 #define NV_FLAG_PUBLIC_MASK (NV_FLAG_IGNORE_CASE | NV_FLAG_NO_UNIQUE)
94 #define NV_FLAG_ALL_MASK (NV_FLAG_PRIVATE_MASK | NV_FLAG_PUBLIC_MASK)
95
96 #define NVLIST_MAGIC 0x6e766c /* "nvl" */
97 struct nvlist {
98 int nvl_magic;
99 int nvl_error;
100 int nvl_flags;
101 nvpair_t *nvl_parent;
102 nvpair_t *nvl_array_next;
103 struct nvl_head nvl_head;
104 };
105
106 #define NVLIST_ASSERT(nvl) do { \
107 PJDLOG_ASSERT((nvl) != NULL); \
108 PJDLOG_ASSERT((nvl)->nvl_magic == NVLIST_MAGIC); \
109 } while (0)
110
111 #ifdef _KERNEL
112 MALLOC_DEFINE(M_NVLIST, "nvlist", "kernel nvlist");
113 #endif
114
115 #define NVPAIR_ASSERT(nvp) nvpair_assert(nvp)
116
117 #define NVLIST_HEADER_MAGIC 0x6c
118 #define NVLIST_HEADER_VERSION 0x00
119 struct nvlist_header {
120 uint8_t nvlh_magic;
121 uint8_t nvlh_version;
122 uint8_t nvlh_flags;
123 uint64_t nvlh_descriptors;
124 uint64_t nvlh_size;
125 } __packed;
126
127 nvlist_t *
nvlist_create(int flags)128 nvlist_create(int flags)
129 {
130 nvlist_t *nvl;
131
132 PJDLOG_ASSERT((flags & ~(NV_FLAG_PUBLIC_MASK)) == 0);
133
134 nvl = nv_malloc(sizeof(*nvl));
135 if (nvl == NULL)
136 return (NULL);
137 nvl->nvl_error = 0;
138 nvl->nvl_flags = flags;
139 nvl->nvl_parent = NULL;
140 nvl->nvl_array_next = NULL;
141 TAILQ_INIT(&nvl->nvl_head);
142 nvl->nvl_magic = NVLIST_MAGIC;
143
144 return (nvl);
145 }
146
147 void
nvlist_destroy(nvlist_t * nvl)148 nvlist_destroy(nvlist_t *nvl)
149 {
150 nvpair_t *nvp;
151
152 if (nvl == NULL)
153 return;
154
155 ERRNO_SAVE();
156
157 NVLIST_ASSERT(nvl);
158
159 while ((nvp = nvlist_first_nvpair(nvl)) != NULL) {
160 nvlist_remove_nvpair(nvl, nvp);
161 nvpair_free(nvp);
162 }
163 if (nvl->nvl_array_next != NULL)
164 nvpair_free_structure(nvl->nvl_array_next);
165 nvl->nvl_array_next = NULL;
166 nvl->nvl_parent = NULL;
167 nvl->nvl_magic = 0;
168 nv_free(nvl);
169
170 ERRNO_RESTORE();
171 }
172
173 void
nvlist_set_error(nvlist_t * nvl,int error)174 nvlist_set_error(nvlist_t *nvl, int error)
175 {
176
177 PJDLOG_ASSERT(error != 0);
178
179 /*
180 * Check for error != 0 so that we don't do the wrong thing if somebody
181 * tries to abuse this API when asserts are disabled.
182 */
183 if (nvl != NULL && error != 0 && nvl->nvl_error == 0)
184 nvl->nvl_error = error;
185 }
186
187 int
nvlist_error(const nvlist_t * nvl)188 nvlist_error(const nvlist_t *nvl)
189 {
190
191 if (nvl == NULL)
192 return (ENOMEM);
193
194 NVLIST_ASSERT(nvl);
195
196 return (nvl->nvl_error);
197 }
198
199 nvpair_t *
nvlist_get_nvpair_parent(const nvlist_t * nvl)200 nvlist_get_nvpair_parent(const nvlist_t *nvl)
201 {
202
203 NVLIST_ASSERT(nvl);
204
205 return (nvl->nvl_parent);
206 }
207
208 const nvlist_t *
nvlist_get_parent(const nvlist_t * nvl,void ** cookiep)209 nvlist_get_parent(const nvlist_t *nvl, void **cookiep)
210 {
211 nvpair_t *nvp;
212
213 NVLIST_ASSERT(nvl);
214
215 nvp = nvl->nvl_parent;
216 if (cookiep != NULL)
217 *cookiep = nvp;
218 if (nvp == NULL)
219 return (NULL);
220
221 return (nvpair_nvlist(nvp));
222 }
223
224 void
nvlist_set_parent(nvlist_t * nvl,nvpair_t * parent)225 nvlist_set_parent(nvlist_t *nvl, nvpair_t *parent)
226 {
227
228 NVLIST_ASSERT(nvl);
229
230 nvl->nvl_parent = parent;
231 }
232
233 void
nvlist_set_array_next(nvlist_t * nvl,nvpair_t * ele)234 nvlist_set_array_next(nvlist_t *nvl, nvpair_t *ele)
235 {
236
237 NVLIST_ASSERT(nvl);
238
239 if (ele != NULL)
240 nvl->nvl_flags |= NV_FLAG_IN_ARRAY;
241 else
242 nvl->nvl_flags &= ~NV_FLAG_IN_ARRAY;
243
244 nvl->nvl_array_next = ele;
245 }
246
247 bool
nvlist_in_array(const nvlist_t * nvl)248 nvlist_in_array(const nvlist_t *nvl)
249 {
250
251 NVLIST_ASSERT(nvl);
252
253 return ((nvl->nvl_flags & NV_FLAG_IN_ARRAY) != 0);
254 }
255
256 const nvlist_t *
nvlist_get_array_next(const nvlist_t * nvl)257 nvlist_get_array_next(const nvlist_t *nvl)
258 {
259 nvpair_t *nvp;
260
261 NVLIST_ASSERT(nvl);
262
263 nvp = nvl->nvl_array_next;
264 if (nvp == NULL)
265 return (NULL);
266
267 return (nvpair_get_nvlist(nvp));
268 }
269
270 const nvlist_t *
nvlist_get_pararr(const nvlist_t * nvl,void ** cookiep)271 nvlist_get_pararr(const nvlist_t *nvl, void **cookiep)
272 {
273 const nvlist_t *ret;
274
275 ret = nvlist_get_array_next(nvl);
276 if (ret != NULL) {
277 if (cookiep != NULL)
278 *cookiep = NULL;
279 return (ret);
280 }
281
282 ret = nvlist_get_parent(nvl, cookiep);
283 return (ret);
284 }
285
286 bool
nvlist_empty(const nvlist_t * nvl)287 nvlist_empty(const nvlist_t *nvl)
288 {
289
290 NVLIST_ASSERT(nvl);
291 PJDLOG_ASSERT(nvl->nvl_error == 0);
292
293 return (nvlist_first_nvpair(nvl) == NULL);
294 }
295
296 int
nvlist_flags(const nvlist_t * nvl)297 nvlist_flags(const nvlist_t *nvl)
298 {
299
300 NVLIST_ASSERT(nvl);
301 PJDLOG_ASSERT(nvl->nvl_error == 0);
302
303 return (nvl->nvl_flags & NV_FLAG_PUBLIC_MASK);
304 }
305
306 void
nvlist_set_flags(nvlist_t * nvl,int flags)307 nvlist_set_flags(nvlist_t *nvl, int flags)
308 {
309
310 NVLIST_ASSERT(nvl);
311 PJDLOG_ASSERT(nvl->nvl_error == 0);
312
313 nvl->nvl_flags = flags;
314 }
315
316 static void
nvlist_report_missing(int type,const char * name)317 nvlist_report_missing(int type, const char *name)
318 {
319
320 PJDLOG_ABORT("Element '%s' of type %s doesn't exist.",
321 name, nvpair_type_string(type));
322 }
323
324 static nvpair_t *
nvlist_find(const nvlist_t * nvl,int type,const char * name)325 nvlist_find(const nvlist_t *nvl, int type, const char *name)
326 {
327 nvpair_t *nvp;
328
329 NVLIST_ASSERT(nvl);
330 PJDLOG_ASSERT(nvl->nvl_error == 0);
331 PJDLOG_ASSERT(type == NV_TYPE_NONE ||
332 (type >= NV_TYPE_FIRST && type <= NV_TYPE_LAST));
333
334 for (nvp = nvlist_first_nvpair(nvl); nvp != NULL;
335 nvp = nvlist_next_nvpair(nvl, nvp)) {
336 if (type != NV_TYPE_NONE && nvpair_type(nvp) != type)
337 continue;
338 if ((nvl->nvl_flags & NV_FLAG_IGNORE_CASE) != 0) {
339 if (strcasecmp(nvpair_name(nvp), name) != 0)
340 continue;
341 } else {
342 if (strcmp(nvpair_name(nvp), name) != 0)
343 continue;
344 }
345 break;
346 }
347
348 if (nvp == NULL)
349 ERRNO_SET(ENOENT);
350
351 return (nvp);
352 }
353
354 bool
nvlist_exists_type(const nvlist_t * nvl,const char * name,int type)355 nvlist_exists_type(const nvlist_t *nvl, const char *name, int type)
356 {
357
358 NVLIST_ASSERT(nvl);
359 PJDLOG_ASSERT(nvl->nvl_error == 0);
360 PJDLOG_ASSERT(type == NV_TYPE_NONE ||
361 (type >= NV_TYPE_FIRST && type <= NV_TYPE_LAST));
362
363 return (nvlist_find(nvl, type, name) != NULL);
364 }
365
366 void
nvlist_free_type(nvlist_t * nvl,const char * name,int type)367 nvlist_free_type(nvlist_t *nvl, const char *name, int type)
368 {
369 nvpair_t *nvp;
370
371 NVLIST_ASSERT(nvl);
372 PJDLOG_ASSERT(nvl->nvl_error == 0);
373 PJDLOG_ASSERT(type == NV_TYPE_NONE ||
374 (type >= NV_TYPE_FIRST && type <= NV_TYPE_LAST));
375
376 nvp = nvlist_find(nvl, type, name);
377 if (nvp != NULL)
378 nvlist_free_nvpair(nvl, nvp);
379 else
380 nvlist_report_missing(type, name);
381 }
382
383 nvlist_t *
nvlist_clone(const nvlist_t * nvl)384 nvlist_clone(const nvlist_t *nvl)
385 {
386 nvlist_t *newnvl;
387 nvpair_t *nvp, *newnvp;
388
389 NVLIST_ASSERT(nvl);
390
391 if (nvl->nvl_error != 0) {
392 ERRNO_SET(nvl->nvl_error);
393 return (NULL);
394 }
395
396 newnvl = nvlist_create(nvl->nvl_flags & NV_FLAG_PUBLIC_MASK);
397 for (nvp = nvlist_first_nvpair(nvl); nvp != NULL;
398 nvp = nvlist_next_nvpair(nvl, nvp)) {
399 newnvp = nvpair_clone(nvp);
400 if (newnvp == NULL)
401 break;
402 (void)nvlist_move_nvpair(newnvl, newnvp);
403 }
404 if (nvp != NULL) {
405 nvlist_destroy(newnvl);
406 return (NULL);
407 }
408 return (newnvl);
409 }
410
411 #ifndef _KERNEL
412 static bool
nvlist_dump_error_check(const nvlist_t * nvl,int fd,int level)413 nvlist_dump_error_check(const nvlist_t *nvl, int fd, int level)
414 {
415
416 if (nvlist_error(nvl) != 0) {
417 dprintf(fd, "%*serror: %d\n", level * 4, "",
418 nvlist_error(nvl));
419 return (true);
420 }
421
422 return (false);
423 }
424
425 /*
426 * Dump content of nvlist.
427 */
428 void
nvlist_dump(const nvlist_t * nvl,int fd)429 nvlist_dump(const nvlist_t *nvl, int fd)
430 {
431 const nvlist_t *tmpnvl;
432 nvpair_t *nvp, *tmpnvp;
433 void *cookie;
434 int level;
435
436 level = 0;
437 if (nvlist_dump_error_check(nvl, fd, level))
438 return;
439
440 nvp = nvlist_first_nvpair(nvl);
441 while (nvp != NULL) {
442 dprintf(fd, "%*s%s (%s):", level * 4, "", nvpair_name(nvp),
443 nvpair_type_string(nvpair_type(nvp)));
444 switch (nvpair_type(nvp)) {
445 case NV_TYPE_NULL:
446 dprintf(fd, " null\n");
447 break;
448 case NV_TYPE_BOOL:
449 dprintf(fd, " %s\n", nvpair_get_bool(nvp) ?
450 "TRUE" : "FALSE");
451 break;
452 case NV_TYPE_NUMBER:
453 dprintf(fd, " %ju (%jd) (0x%jx)\n",
454 (uintmax_t)nvpair_get_number(nvp),
455 (intmax_t)nvpair_get_number(nvp),
456 (uintmax_t)nvpair_get_number(nvp));
457 break;
458 case NV_TYPE_STRING:
459 dprintf(fd, " [%s]\n", nvpair_get_string(nvp));
460 break;
461 case NV_TYPE_NVLIST:
462 dprintf(fd, "\n");
463 tmpnvl = nvpair_get_nvlist(nvp);
464 if (nvlist_dump_error_check(tmpnvl, fd, level + 1))
465 break;
466 tmpnvp = nvlist_first_nvpair(tmpnvl);
467 if (tmpnvp != NULL) {
468 nvl = tmpnvl;
469 nvp = tmpnvp;
470 level++;
471 continue;
472 }
473 break;
474 case NV_TYPE_DESCRIPTOR:
475 dprintf(fd, " %d\n", nvpair_get_descriptor(nvp));
476 break;
477 case NV_TYPE_BINARY:
478 {
479 const unsigned char *binary;
480 unsigned int ii;
481 size_t size;
482
483 binary = nvpair_get_binary(nvp, &size);
484 dprintf(fd, " %zu ", size);
485 for (ii = 0; ii < size; ii++)
486 dprintf(fd, "%02hhx", binary[ii]);
487 dprintf(fd, "\n");
488 break;
489 }
490 case NV_TYPE_BOOL_ARRAY:
491 {
492 const bool *value;
493 unsigned int ii;
494 size_t nitems;
495
496 value = nvpair_get_bool_array(nvp, &nitems);
497 dprintf(fd, " [ ");
498 for (ii = 0; ii < nitems; ii++) {
499 dprintf(fd, "%s", value[ii] ? "TRUE" : "FALSE");
500 if (ii != nitems - 1)
501 dprintf(fd, ", ");
502 }
503 dprintf(fd, " ]\n");
504 break;
505 }
506 case NV_TYPE_STRING_ARRAY:
507 {
508 const char * const *value;
509 unsigned int ii;
510 size_t nitems;
511
512 value = nvpair_get_string_array(nvp, &nitems);
513 dprintf(fd, " [ ");
514 for (ii = 0; ii < nitems; ii++) {
515 if (value[ii] == NULL)
516 dprintf(fd, "NULL");
517 else
518 dprintf(fd, "\"%s\"", value[ii]);
519 if (ii != nitems - 1)
520 dprintf(fd, ", ");
521 }
522 dprintf(fd, " ]\n");
523 break;
524 }
525 case NV_TYPE_NUMBER_ARRAY:
526 {
527 const uint64_t *value;
528 unsigned int ii;
529 size_t nitems;
530
531 value = nvpair_get_number_array(nvp, &nitems);
532 dprintf(fd, " [ ");
533 for (ii = 0; ii < nitems; ii++) {
534 dprintf(fd, "%ju (%jd) (0x%jx)",
535 value[ii], value[ii], value[ii]);
536 if (ii != nitems - 1)
537 dprintf(fd, ", ");
538 }
539 dprintf(fd, " ]\n");
540 break;
541 }
542 case NV_TYPE_DESCRIPTOR_ARRAY:
543 {
544 const int *value;
545 unsigned int ii;
546 size_t nitems;
547
548 value = nvpair_get_descriptor_array(nvp, &nitems);
549 dprintf(fd, " [ ");
550 for (ii = 0; ii < nitems; ii++) {
551 dprintf(fd, "%d", value[ii]);
552 if (ii != nitems - 1)
553 dprintf(fd, ", ");
554 }
555 dprintf(fd, " ]\n");
556 break;
557 }
558 case NV_TYPE_NVLIST_ARRAY:
559 {
560 const nvlist_t * const *value;
561 unsigned int ii;
562 size_t nitems;
563
564 value = nvpair_get_nvlist_array(nvp, &nitems);
565 dprintf(fd, " %zu\n", nitems);
566 tmpnvl = NULL;
567 tmpnvp = NULL;
568 for (ii = 0; ii < nitems; ii++) {
569 if (nvlist_dump_error_check(value[ii], fd,
570 level + 1)) {
571 break;
572 }
573
574 if (tmpnvl == NULL) {
575 tmpnvp = nvlist_first_nvpair(value[ii]);
576 if (tmpnvp != NULL) {
577 tmpnvl = value[ii];
578 } else {
579 dprintf(fd, "%*s,\n",
580 (level + 1) * 4, "");
581 }
582 }
583 }
584 if (tmpnvp != NULL) {
585 nvl = tmpnvl;
586 nvp = tmpnvp;
587 level++;
588 continue;
589 }
590 break;
591 }
592 default:
593 PJDLOG_ABORT("Unknown type: %d.", nvpair_type(nvp));
594 }
595
596 while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) {
597 do {
598 cookie = NULL;
599 if (nvlist_in_array(nvl))
600 dprintf(fd, "%*s,\n", level * 4, "");
601 nvl = nvlist_get_pararr(nvl, &cookie);
602 if (nvl == NULL)
603 return;
604 if (nvlist_in_array(nvl) && cookie == NULL) {
605 nvp = nvlist_first_nvpair(nvl);
606 } else {
607 nvp = cookie;
608 level--;
609 }
610 } while (nvp == NULL);
611 if (nvlist_in_array(nvl) && cookie == NULL)
612 break;
613 }
614 }
615 }
616
617 void
nvlist_fdump(const nvlist_t * nvl,FILE * fp)618 nvlist_fdump(const nvlist_t *nvl, FILE *fp)
619 {
620
621 fflush(fp);
622 nvlist_dump(nvl, fileno(fp));
623 }
624 #endif
625
626 /*
627 * The function obtains size of the nvlist after nvlist_pack().
628 */
629 size_t
nvlist_size(const nvlist_t * nvl)630 nvlist_size(const nvlist_t *nvl)
631 {
632 const nvlist_t *tmpnvl;
633 const nvlist_t * const *nvlarray;
634 const nvpair_t *nvp, *tmpnvp;
635 void *cookie;
636 size_t size, nitems;
637 unsigned int ii;
638
639 NVLIST_ASSERT(nvl);
640 PJDLOG_ASSERT(nvl->nvl_error == 0);
641
642 size = sizeof(struct nvlist_header);
643 nvp = nvlist_first_nvpair(nvl);
644 while (nvp != NULL) {
645 size += nvpair_header_size();
646 size += strlen(nvpair_name(nvp)) + 1;
647 if (nvpair_type(nvp) == NV_TYPE_NVLIST) {
648 size += sizeof(struct nvlist_header);
649 size += nvpair_header_size() + 1;
650 tmpnvl = nvpair_get_nvlist(nvp);
651 PJDLOG_ASSERT(tmpnvl->nvl_error == 0);
652 tmpnvp = nvlist_first_nvpair(tmpnvl);
653 if (tmpnvp != NULL) {
654 nvl = tmpnvl;
655 nvp = tmpnvp;
656 continue;
657 }
658 } else if (nvpair_type(nvp) == NV_TYPE_NVLIST_ARRAY) {
659 nvlarray = nvpair_get_nvlist_array(nvp, &nitems);
660 PJDLOG_ASSERT(nitems > 0);
661
662 size += (nvpair_header_size() + 1) * nitems;
663 size += sizeof(struct nvlist_header) * nitems;
664
665 tmpnvl = NULL;
666 tmpnvp = NULL;
667 for (ii = 0; ii < nitems; ii++) {
668 PJDLOG_ASSERT(nvlarray[ii]->nvl_error == 0);
669 tmpnvp = nvlist_first_nvpair(nvlarray[ii]);
670 if (tmpnvp != NULL) {
671 tmpnvl = nvlarray[ii];
672 break;
673 }
674 }
675 if (tmpnvp != NULL) {
676 nvp = tmpnvp;
677 nvl = tmpnvl;
678 continue;
679 }
680
681 } else {
682 size += nvpair_size(nvp);
683 }
684
685 while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) {
686 do {
687 cookie = NULL;
688 nvl = nvlist_get_pararr(nvl, &cookie);
689 if (nvl == NULL)
690 goto out;
691 if (nvlist_in_array(nvl) && cookie == NULL) {
692 nvp = nvlist_first_nvpair(nvl);
693 } else {
694 nvp = cookie;
695 }
696 } while (nvp == NULL);
697 if (nvlist_in_array(nvl) && cookie == NULL)
698 break;
699 }
700 }
701
702 out:
703 return (size);
704 }
705
706 #ifndef _KERNEL
707 static int *
nvlist_xdescriptors(const nvlist_t * nvl,int * descs)708 nvlist_xdescriptors(const nvlist_t *nvl, int *descs)
709 {
710 nvpair_t *nvp;
711 const char *name;
712 int type;
713
714 NVLIST_ASSERT(nvl);
715 PJDLOG_ASSERT(nvl->nvl_error == 0);
716
717 nvp = NULL;
718 do {
719 while ((name = nvlist_next(nvl, &type, (void**)&nvp)) != NULL) {
720 switch (type) {
721 case NV_TYPE_DESCRIPTOR:
722 *descs = nvpair_get_descriptor(nvp);
723 descs++;
724 break;
725 case NV_TYPE_DESCRIPTOR_ARRAY:
726 {
727 const int *value;
728 size_t nitems;
729 unsigned int ii;
730
731 value = nvpair_get_descriptor_array(nvp,
732 &nitems);
733 for (ii = 0; ii < nitems; ii++) {
734 *descs = value[ii];
735 descs++;
736 }
737 break;
738 }
739 case NV_TYPE_NVLIST:
740 nvl = nvpair_get_nvlist(nvp);
741 nvp = NULL;
742 break;
743 case NV_TYPE_NVLIST_ARRAY:
744 {
745 const nvlist_t * const *value;
746 size_t nitems;
747
748 value = nvpair_get_nvlist_array(nvp, &nitems);
749 PJDLOG_ASSERT(value != NULL);
750 PJDLOG_ASSERT(nitems > 0);
751
752 nvl = value[0];
753 nvp = NULL;
754 break;
755 }
756 }
757 }
758 } while ((nvl = nvlist_get_pararr(nvl, (void**)&nvp)) != NULL);
759
760 return (descs);
761 }
762 #endif
763
764 #ifndef _KERNEL
765 int *
nvlist_descriptors(const nvlist_t * nvl,size_t * nitemsp)766 nvlist_descriptors(const nvlist_t *nvl, size_t *nitemsp)
767 {
768 size_t nitems;
769 int *fds;
770
771 nitems = nvlist_ndescriptors(nvl);
772 fds = nv_malloc(sizeof(fds[0]) * (nitems + 1));
773 if (fds == NULL)
774 return (NULL);
775 if (nitems > 0)
776 nvlist_xdescriptors(nvl, fds);
777 fds[nitems] = -1;
778 if (nitemsp != NULL)
779 *nitemsp = nitems;
780 return (fds);
781 }
782 #endif
783
784 size_t
nvlist_ndescriptors(const nvlist_t * nvl)785 nvlist_ndescriptors(const nvlist_t *nvl)
786 {
787 #ifndef _KERNEL
788 nvpair_t *nvp;
789 const char *name;
790 size_t ndescs;
791 int type;
792
793 NVLIST_ASSERT(nvl);
794 PJDLOG_ASSERT(nvl->nvl_error == 0);
795
796 ndescs = 0;
797 nvp = NULL;
798 do {
799 while ((name = nvlist_next(nvl, &type, (void**)&nvp)) != NULL) {
800 switch (type) {
801 case NV_TYPE_DESCRIPTOR:
802 ndescs++;
803 break;
804 case NV_TYPE_NVLIST:
805 nvl = nvpair_get_nvlist(nvp);
806 nvp = NULL;
807 break;
808 case NV_TYPE_NVLIST_ARRAY:
809 {
810 const nvlist_t * const *value;
811 size_t nitems;
812
813 value = nvpair_get_nvlist_array(nvp, &nitems);
814 PJDLOG_ASSERT(value != NULL);
815 PJDLOG_ASSERT(nitems > 0);
816
817 nvl = value[0];
818 nvp = NULL;
819 break;
820 }
821 case NV_TYPE_DESCRIPTOR_ARRAY:
822 {
823 size_t nitems;
824
825 (void)nvpair_get_descriptor_array(nvp,
826 &nitems);
827 ndescs += nitems;
828 break;
829 }
830 }
831 }
832 } while ((nvl = nvlist_get_pararr(nvl, (void**)&nvp)) != NULL);
833
834 return (ndescs);
835 #else
836 return (0);
837 #endif
838 }
839
840 static unsigned char *
nvlist_pack_header(const nvlist_t * nvl,unsigned char * ptr,size_t * leftp)841 nvlist_pack_header(const nvlist_t *nvl, unsigned char *ptr, size_t *leftp)
842 {
843 struct nvlist_header nvlhdr;
844
845 NVLIST_ASSERT(nvl);
846
847 nvlhdr.nvlh_magic = NVLIST_HEADER_MAGIC;
848 nvlhdr.nvlh_version = NVLIST_HEADER_VERSION;
849 nvlhdr.nvlh_flags = nvl->nvl_flags;
850 #if BYTE_ORDER == BIG_ENDIAN
851 nvlhdr.nvlh_flags |= NV_FLAG_BIG_ENDIAN;
852 #endif
853 nvlhdr.nvlh_descriptors = nvlist_ndescriptors(nvl);
854 nvlhdr.nvlh_size = *leftp - sizeof(nvlhdr);
855 PJDLOG_ASSERT(*leftp >= sizeof(nvlhdr));
856 memcpy(ptr, &nvlhdr, sizeof(nvlhdr));
857 ptr += sizeof(nvlhdr);
858 *leftp -= sizeof(nvlhdr);
859
860 return (ptr);
861 }
862
863 static void *
nvlist_xpack(const nvlist_t * nvl,int64_t * fdidxp,size_t * sizep)864 nvlist_xpack(const nvlist_t *nvl, int64_t *fdidxp, size_t *sizep)
865 {
866 unsigned char *buf, *ptr;
867 size_t left, size;
868 const nvlist_t *tmpnvl;
869 nvpair_t *nvp, *tmpnvp;
870 void *cookie;
871
872 NVLIST_ASSERT(nvl);
873
874 if (nvl->nvl_error != 0) {
875 ERRNO_SET(nvl->nvl_error);
876 return (NULL);
877 }
878
879 size = nvlist_size(nvl);
880 buf = nv_malloc(size);
881 if (buf == NULL)
882 return (NULL);
883
884 ptr = buf;
885 left = size;
886
887 ptr = nvlist_pack_header(nvl, ptr, &left);
888
889 nvp = nvlist_first_nvpair(nvl);
890 while (nvp != NULL) {
891 NVPAIR_ASSERT(nvp);
892
893 nvpair_init_datasize(nvp);
894 ptr = nvpair_pack_header(nvp, ptr, &left);
895 if (ptr == NULL)
896 goto fail;
897 switch (nvpair_type(nvp)) {
898 case NV_TYPE_NULL:
899 ptr = nvpair_pack_null(nvp, ptr, &left);
900 break;
901 case NV_TYPE_BOOL:
902 ptr = nvpair_pack_bool(nvp, ptr, &left);
903 break;
904 case NV_TYPE_NUMBER:
905 ptr = nvpair_pack_number(nvp, ptr, &left);
906 break;
907 case NV_TYPE_STRING:
908 ptr = nvpair_pack_string(nvp, ptr, &left);
909 break;
910 case NV_TYPE_NVLIST:
911 tmpnvl = nvpair_get_nvlist(nvp);
912 ptr = nvlist_pack_header(tmpnvl, ptr, &left);
913 if (ptr == NULL)
914 goto fail;
915 tmpnvp = nvlist_first_nvpair(tmpnvl);
916 if (tmpnvp != NULL) {
917 nvl = tmpnvl;
918 nvp = tmpnvp;
919 continue;
920 }
921 ptr = nvpair_pack_nvlist_up(ptr, &left);
922 break;
923 #ifndef _KERNEL
924 case NV_TYPE_DESCRIPTOR:
925 ptr = nvpair_pack_descriptor(nvp, ptr, fdidxp, &left);
926 break;
927 case NV_TYPE_DESCRIPTOR_ARRAY:
928 ptr = nvpair_pack_descriptor_array(nvp, ptr, fdidxp,
929 &left);
930 break;
931 #endif
932 case NV_TYPE_BINARY:
933 ptr = nvpair_pack_binary(nvp, ptr, &left);
934 break;
935 case NV_TYPE_BOOL_ARRAY:
936 ptr = nvpair_pack_bool_array(nvp, ptr, &left);
937 break;
938 case NV_TYPE_NUMBER_ARRAY:
939 ptr = nvpair_pack_number_array(nvp, ptr, &left);
940 break;
941 case NV_TYPE_STRING_ARRAY:
942 ptr = nvpair_pack_string_array(nvp, ptr, &left);
943 break;
944 case NV_TYPE_NVLIST_ARRAY:
945 {
946 const nvlist_t * const * value;
947 size_t nitems;
948 unsigned int ii;
949
950 tmpnvl = NULL;
951 value = nvpair_get_nvlist_array(nvp, &nitems);
952 for (ii = 0; ii < nitems; ii++) {
953 ptr = nvlist_pack_header(value[ii], ptr, &left);
954 if (ptr == NULL)
955 goto out;
956 tmpnvp = nvlist_first_nvpair(value[ii]);
957 if (tmpnvp != NULL) {
958 tmpnvl = value[ii];
959 break;
960 }
961 ptr = nvpair_pack_nvlist_array_next(ptr, &left);
962 if (ptr == NULL)
963 goto out;
964 }
965 if (tmpnvl != NULL) {
966 nvl = tmpnvl;
967 nvp = tmpnvp;
968 continue;
969 }
970 break;
971 }
972 default:
973 PJDLOG_ABORT("Invalid type (%d).", nvpair_type(nvp));
974 }
975 if (ptr == NULL)
976 goto fail;
977 while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) {
978 do {
979 cookie = NULL;
980 if (nvlist_in_array(nvl)) {
981 ptr = nvpair_pack_nvlist_array_next(ptr,
982 &left);
983 if (ptr == NULL)
984 goto fail;
985 }
986 nvl = nvlist_get_pararr(nvl, &cookie);
987 if (nvl == NULL)
988 goto out;
989 if (nvlist_in_array(nvl) && cookie == NULL) {
990 nvp = nvlist_first_nvpair(nvl);
991 ptr = nvlist_pack_header(nvl, ptr,
992 &left);
993 if (ptr == NULL)
994 goto fail;
995 } else if (nvpair_type((nvpair_t *)cookie) !=
996 NV_TYPE_NVLIST_ARRAY) {
997 ptr = nvpair_pack_nvlist_up(ptr, &left);
998 if (ptr == NULL)
999 goto fail;
1000 nvp = cookie;
1001 } else {
1002 nvp = cookie;
1003 }
1004 } while (nvp == NULL);
1005 if (nvlist_in_array(nvl) && cookie == NULL)
1006 break;
1007 }
1008 }
1009
1010 out:
1011 if (sizep != NULL)
1012 *sizep = size;
1013 return (buf);
1014 fail:
1015 nv_free(buf);
1016 return (NULL);
1017 }
1018
1019 void *
nvlist_pack(const nvlist_t * nvl,size_t * sizep)1020 nvlist_pack(const nvlist_t *nvl, size_t *sizep)
1021 {
1022
1023 NVLIST_ASSERT(nvl);
1024
1025 if (nvl->nvl_error != 0) {
1026 ERRNO_SET(nvl->nvl_error);
1027 return (NULL);
1028 }
1029
1030 if (nvlist_ndescriptors(nvl) > 0) {
1031 ERRNO_SET(EOPNOTSUPP);
1032 return (NULL);
1033 }
1034
1035 return (nvlist_xpack(nvl, NULL, sizep));
1036 }
1037
1038 static bool
nvlist_check_header(struct nvlist_header * nvlhdrp)1039 nvlist_check_header(struct nvlist_header *nvlhdrp)
1040 {
1041
1042 if (nvlhdrp->nvlh_magic != NVLIST_HEADER_MAGIC) {
1043 ERRNO_SET(EINVAL);
1044 return (false);
1045 }
1046 if ((nvlhdrp->nvlh_flags & ~NV_FLAG_ALL_MASK) != 0) {
1047 ERRNO_SET(EINVAL);
1048 return (false);
1049 }
1050 #if BYTE_ORDER == BIG_ENDIAN
1051 if ((nvlhdrp->nvlh_flags & NV_FLAG_BIG_ENDIAN) == 0) {
1052 nvlhdrp->nvlh_size = le64toh(nvlhdrp->nvlh_size);
1053 nvlhdrp->nvlh_descriptors = le64toh(nvlhdrp->nvlh_descriptors);
1054 }
1055 #else
1056 if ((nvlhdrp->nvlh_flags & NV_FLAG_BIG_ENDIAN) != 0) {
1057 nvlhdrp->nvlh_size = be64toh(nvlhdrp->nvlh_size);
1058 nvlhdrp->nvlh_descriptors = be64toh(nvlhdrp->nvlh_descriptors);
1059 }
1060 #endif
1061 return (true);
1062 }
1063
1064 const unsigned char *
nvlist_unpack_header(nvlist_t * nvl,const unsigned char * ptr,size_t nfds,bool * isbep,size_t * leftp)1065 nvlist_unpack_header(nvlist_t *nvl, const unsigned char *ptr, size_t nfds,
1066 bool *isbep, size_t *leftp)
1067 {
1068 struct nvlist_header nvlhdr;
1069 int inarrayf;
1070
1071 if (*leftp < sizeof(nvlhdr))
1072 goto failed;
1073
1074 memcpy(&nvlhdr, ptr, sizeof(nvlhdr));
1075
1076 if (!nvlist_check_header(&nvlhdr))
1077 goto failed;
1078
1079 if (nvlhdr.nvlh_size != *leftp - sizeof(nvlhdr))
1080 goto failed;
1081
1082 /*
1083 * nvlh_descriptors might be smaller than nfds in embedded nvlists.
1084 */
1085 if (nvlhdr.nvlh_descriptors > nfds)
1086 goto failed;
1087
1088 if ((nvlhdr.nvlh_flags & ~NV_FLAG_ALL_MASK) != 0)
1089 goto failed;
1090
1091 inarrayf = (nvl->nvl_flags & NV_FLAG_IN_ARRAY);
1092 nvl->nvl_flags = (nvlhdr.nvlh_flags & NV_FLAG_PUBLIC_MASK) | inarrayf;
1093
1094 ptr += sizeof(nvlhdr);
1095 if (isbep != NULL)
1096 *isbep = (((int)nvlhdr.nvlh_flags & NV_FLAG_BIG_ENDIAN) != 0);
1097 *leftp -= sizeof(nvlhdr);
1098
1099 return (ptr);
1100 failed:
1101 ERRNO_SET(EINVAL);
1102 return (NULL);
1103 }
1104
1105 static nvlist_t *
nvlist_xunpack(const void * buf,size_t size,const int * fds,size_t nfds,int flags)1106 nvlist_xunpack(const void *buf, size_t size, const int *fds, size_t nfds,
1107 int flags)
1108 {
1109 const unsigned char *ptr;
1110 nvlist_t *nvl, *retnvl, *tmpnvl, *array;
1111 nvpair_t *nvp;
1112 size_t left;
1113 bool isbe;
1114
1115 PJDLOG_ASSERT((flags & ~(NV_FLAG_PUBLIC_MASK)) == 0);
1116
1117 left = size;
1118 ptr = buf;
1119
1120 tmpnvl = array = NULL;
1121 nvl = retnvl = nvlist_create(0);
1122 if (nvl == NULL)
1123 goto failed;
1124
1125 ptr = nvlist_unpack_header(nvl, ptr, nfds, &isbe, &left);
1126 if (ptr == NULL)
1127 goto failed;
1128 if (nvl->nvl_flags != flags) {
1129 ERRNO_SET(EILSEQ);
1130 goto failed;
1131 }
1132
1133 while (left > 0) {
1134 ptr = nvpair_unpack(isbe, ptr, &left, &nvp);
1135 if (ptr == NULL)
1136 goto failed;
1137 switch (nvpair_type(nvp)) {
1138 case NV_TYPE_NULL:
1139 ptr = nvpair_unpack_null(isbe, nvp, ptr, &left);
1140 break;
1141 case NV_TYPE_BOOL:
1142 ptr = nvpair_unpack_bool(isbe, nvp, ptr, &left);
1143 break;
1144 case NV_TYPE_NUMBER:
1145 ptr = nvpair_unpack_number(isbe, nvp, ptr, &left);
1146 break;
1147 case NV_TYPE_STRING:
1148 ptr = nvpair_unpack_string(isbe, nvp, ptr, &left);
1149 break;
1150 case NV_TYPE_NVLIST:
1151 ptr = nvpair_unpack_nvlist(isbe, nvp, ptr, &left, nfds,
1152 &tmpnvl);
1153 if (tmpnvl == NULL || ptr == NULL)
1154 goto failed;
1155 nvlist_set_parent(tmpnvl, nvp);
1156 break;
1157 #ifndef _KERNEL
1158 case NV_TYPE_DESCRIPTOR:
1159 ptr = nvpair_unpack_descriptor(isbe, nvp, ptr, &left,
1160 fds, nfds);
1161 break;
1162 case NV_TYPE_DESCRIPTOR_ARRAY:
1163 ptr = nvpair_unpack_descriptor_array(isbe, nvp, ptr,
1164 &left, fds, nfds);
1165 break;
1166 #endif
1167 case NV_TYPE_BINARY:
1168 ptr = nvpair_unpack_binary(isbe, nvp, ptr, &left);
1169 break;
1170 case NV_TYPE_NVLIST_UP:
1171 if (nvl->nvl_parent == NULL)
1172 goto failed;
1173 nvl = nvpair_nvlist(nvl->nvl_parent);
1174 nvpair_free_structure(nvp);
1175 continue;
1176 case NV_TYPE_NVLIST_ARRAY_NEXT:
1177 if (nvl->nvl_array_next == NULL) {
1178 if (nvl->nvl_parent == NULL)
1179 goto failed;
1180 nvl = nvpair_nvlist(nvl->nvl_parent);
1181 } else {
1182 nvl = __DECONST(nvlist_t *,
1183 nvlist_get_array_next(nvl));
1184 ptr = nvlist_unpack_header(nvl, ptr, nfds,
1185 &isbe, &left);
1186 if (ptr == NULL)
1187 goto failed;
1188 }
1189 nvpair_free_structure(nvp);
1190 continue;
1191 case NV_TYPE_BOOL_ARRAY:
1192 ptr = nvpair_unpack_bool_array(isbe, nvp, ptr, &left);
1193 break;
1194 case NV_TYPE_NUMBER_ARRAY:
1195 ptr = nvpair_unpack_number_array(isbe, nvp, ptr, &left);
1196 break;
1197 case NV_TYPE_STRING_ARRAY:
1198 ptr = nvpair_unpack_string_array(isbe, nvp, ptr, &left);
1199 break;
1200 case NV_TYPE_NVLIST_ARRAY:
1201 ptr = nvpair_unpack_nvlist_array(isbe, nvp, ptr, &left,
1202 &array);
1203 if (ptr == NULL)
1204 goto failed;
1205 tmpnvl = array;
1206 while (array != NULL) {
1207 nvlist_set_parent(array, nvp);
1208 array = __DECONST(nvlist_t *,
1209 nvlist_get_array_next(array));
1210 }
1211 ptr = nvlist_unpack_header(tmpnvl, ptr, nfds, &isbe,
1212 &left);
1213 break;
1214 default:
1215 PJDLOG_ABORT("Invalid type (%d).", nvpair_type(nvp));
1216 }
1217 if (ptr == NULL)
1218 goto failed;
1219 if (!nvlist_move_nvpair(nvl, nvp))
1220 goto failed;
1221 if (tmpnvl != NULL) {
1222 nvl = tmpnvl;
1223 tmpnvl = NULL;
1224 }
1225 }
1226
1227 return (retnvl);
1228 failed:
1229 nvlist_destroy(retnvl);
1230 return (NULL);
1231 }
1232
1233 nvlist_t *
nvlist_unpack(const void * buf,size_t size,int flags)1234 nvlist_unpack(const void *buf, size_t size, int flags)
1235 {
1236
1237 return (nvlist_xunpack(buf, size, NULL, 0, flags));
1238 }
1239
1240 #ifndef _KERNEL
1241 int
nvlist_send(int sock,const nvlist_t * nvl)1242 nvlist_send(int sock, const nvlist_t *nvl)
1243 {
1244 size_t datasize, nfds;
1245 int *fds;
1246 void *data;
1247 int64_t fdidx;
1248 int ret;
1249
1250 if (nvlist_error(nvl) != 0) {
1251 ERRNO_SET(nvlist_error(nvl));
1252 return (-1);
1253 }
1254
1255 fds = nvlist_descriptors(nvl, &nfds);
1256 if (fds == NULL)
1257 return (-1);
1258
1259 ret = -1;
1260 data = NULL;
1261 fdidx = 0;
1262
1263 data = nvlist_xpack(nvl, &fdidx, &datasize);
1264 if (data == NULL)
1265 goto out;
1266
1267 if (buf_send(sock, data, datasize) == -1)
1268 goto out;
1269
1270 if (nfds > 0) {
1271 if (fd_send(sock, fds, nfds) == -1)
1272 goto out;
1273 }
1274
1275 ret = 0;
1276 out:
1277 ERRNO_SAVE();
1278 nv_free(fds);
1279 nv_free(data);
1280 ERRNO_RESTORE();
1281 return (ret);
1282 }
1283
1284 nvlist_t *
nvlist_recv(int sock,int flags)1285 nvlist_recv(int sock, int flags)
1286 {
1287 struct nvlist_header nvlhdr;
1288 nvlist_t *nvl, *ret;
1289 unsigned char *buf;
1290 size_t nfds, size, i;
1291 int *fds;
1292
1293 if (buf_recv(sock, &nvlhdr, sizeof(nvlhdr)) == -1)
1294 return (NULL);
1295
1296 if (!nvlist_check_header(&nvlhdr))
1297 return (NULL);
1298
1299 nfds = (size_t)nvlhdr.nvlh_descriptors;
1300 size = sizeof(nvlhdr) + (size_t)nvlhdr.nvlh_size;
1301
1302 buf = nv_malloc(size);
1303 if (buf == NULL)
1304 return (NULL);
1305
1306 memcpy(buf, &nvlhdr, sizeof(nvlhdr));
1307
1308 ret = NULL;
1309 fds = NULL;
1310
1311 if (buf_recv(sock, buf + sizeof(nvlhdr), size - sizeof(nvlhdr)) == -1)
1312 goto out;
1313
1314 if (nfds > 0) {
1315 fds = nv_malloc(nfds * sizeof(fds[0]));
1316 if (fds == NULL)
1317 goto out;
1318 if (fd_recv(sock, fds, nfds) == -1)
1319 goto out;
1320 }
1321
1322 nvl = nvlist_xunpack(buf, size, fds, nfds, flags);
1323 if (nvl == NULL) {
1324 ERRNO_SAVE();
1325 for (i = 0; i < nfds; i++)
1326 close(fds[i]);
1327 ERRNO_RESTORE();
1328 goto out;
1329 }
1330
1331 ret = nvl;
1332 out:
1333 ERRNO_SAVE();
1334 nv_free(buf);
1335 nv_free(fds);
1336 ERRNO_RESTORE();
1337
1338 return (ret);
1339 }
1340
1341 nvlist_t *
nvlist_xfer(int sock,nvlist_t * nvl,int flags)1342 nvlist_xfer(int sock, nvlist_t *nvl, int flags)
1343 {
1344
1345 if (nvlist_send(sock, nvl) < 0) {
1346 nvlist_destroy(nvl);
1347 return (NULL);
1348 }
1349 nvlist_destroy(nvl);
1350 return (nvlist_recv(sock, flags));
1351 }
1352 #endif
1353
1354 nvpair_t *
nvlist_first_nvpair(const nvlist_t * nvl)1355 nvlist_first_nvpair(const nvlist_t *nvl)
1356 {
1357
1358 NVLIST_ASSERT(nvl);
1359
1360 return (TAILQ_FIRST(&nvl->nvl_head));
1361 }
1362
1363 nvpair_t *
nvlist_next_nvpair(const nvlist_t * nvl,const nvpair_t * nvp)1364 nvlist_next_nvpair(const nvlist_t *nvl, const nvpair_t *nvp)
1365 {
1366 nvpair_t *retnvp;
1367
1368 NVLIST_ASSERT(nvl);
1369 NVPAIR_ASSERT(nvp);
1370 PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
1371
1372 retnvp = nvpair_next(nvp);
1373 PJDLOG_ASSERT(retnvp == NULL || nvpair_nvlist(retnvp) == nvl);
1374
1375 return (retnvp);
1376
1377 }
1378
1379 nvpair_t *
nvlist_prev_nvpair(const nvlist_t * nvl,const nvpair_t * nvp)1380 nvlist_prev_nvpair(const nvlist_t *nvl, const nvpair_t *nvp)
1381 {
1382 nvpair_t *retnvp;
1383
1384 NVLIST_ASSERT(nvl);
1385 NVPAIR_ASSERT(nvp);
1386 PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
1387
1388 retnvp = nvpair_prev(nvp);
1389 PJDLOG_ASSERT(nvpair_nvlist(retnvp) == nvl);
1390
1391 return (retnvp);
1392 }
1393
1394 const char *
nvlist_next(const nvlist_t * nvl,int * typep,void ** cookiep)1395 nvlist_next(const nvlist_t *nvl, int *typep, void **cookiep)
1396 {
1397 nvpair_t *nvp;
1398
1399 NVLIST_ASSERT(nvl);
1400
1401 if (cookiep == NULL || *cookiep == NULL)
1402 nvp = nvlist_first_nvpair(nvl);
1403 else
1404 nvp = nvlist_next_nvpair(nvl, *cookiep);
1405 if (nvp == NULL)
1406 return (NULL);
1407 if (typep != NULL)
1408 *typep = nvpair_type(nvp);
1409 if (cookiep != NULL)
1410 *cookiep = nvp;
1411 return (nvpair_name(nvp));
1412 }
1413
1414 bool
nvlist_exists(const nvlist_t * nvl,const char * name)1415 nvlist_exists(const nvlist_t *nvl, const char *name)
1416 {
1417
1418 return (nvlist_find(nvl, NV_TYPE_NONE, name) != NULL);
1419 }
1420
1421 #define NVLIST_EXISTS(type, TYPE) \
1422 bool \
1423 nvlist_exists_##type(const nvlist_t *nvl, const char *name) \
1424 { \
1425 \
1426 return (nvlist_find(nvl, NV_TYPE_##TYPE, name) != NULL); \
1427 }
1428
NVLIST_EXISTS(null,NULL)1429 NVLIST_EXISTS(null, NULL)
1430 NVLIST_EXISTS(bool, BOOL)
1431 NVLIST_EXISTS(number, NUMBER)
1432 NVLIST_EXISTS(string, STRING)
1433 NVLIST_EXISTS(nvlist, NVLIST)
1434 NVLIST_EXISTS(binary, BINARY)
1435 NVLIST_EXISTS(bool_array, BOOL_ARRAY)
1436 NVLIST_EXISTS(number_array, NUMBER_ARRAY)
1437 NVLIST_EXISTS(string_array, STRING_ARRAY)
1438 NVLIST_EXISTS(nvlist_array, NVLIST_ARRAY)
1439 #ifndef _KERNEL
1440 NVLIST_EXISTS(descriptor, DESCRIPTOR)
1441 NVLIST_EXISTS(descriptor_array, DESCRIPTOR_ARRAY)
1442 #endif
1443
1444 #undef NVLIST_EXISTS
1445
1446 void
1447 nvlist_add_nvpair(nvlist_t *nvl, const nvpair_t *nvp)
1448 {
1449 nvpair_t *newnvp;
1450
1451 NVPAIR_ASSERT(nvp);
1452
1453 if (nvlist_error(nvl) != 0) {
1454 ERRNO_SET(nvlist_error(nvl));
1455 return;
1456 }
1457 if ((nvl->nvl_flags & NV_FLAG_NO_UNIQUE) == 0) {
1458 if (nvlist_exists(nvl, nvpair_name(nvp))) {
1459 nvl->nvl_error = EEXIST;
1460 ERRNO_SET(nvlist_error(nvl));
1461 return;
1462 }
1463 }
1464
1465 newnvp = nvpair_clone(nvp);
1466 if (newnvp == NULL) {
1467 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1468 ERRNO_SET(nvlist_error(nvl));
1469 return;
1470 }
1471
1472 nvpair_insert(&nvl->nvl_head, newnvp, nvl);
1473 }
1474
1475 void
nvlist_add_stringf(nvlist_t * nvl,const char * name,const char * valuefmt,...)1476 nvlist_add_stringf(nvlist_t *nvl, const char *name, const char *valuefmt, ...)
1477 {
1478 va_list valueap;
1479
1480 va_start(valueap, valuefmt);
1481 nvlist_add_stringv(nvl, name, valuefmt, valueap);
1482 va_end(valueap);
1483 }
1484
1485 void
nvlist_add_stringv(nvlist_t * nvl,const char * name,const char * valuefmt,va_list valueap)1486 nvlist_add_stringv(nvlist_t *nvl, const char *name, const char *valuefmt,
1487 va_list valueap)
1488 {
1489 nvpair_t *nvp;
1490
1491 if (nvlist_error(nvl) != 0) {
1492 ERRNO_SET(nvlist_error(nvl));
1493 return;
1494 }
1495
1496 nvp = nvpair_create_stringv(name, valuefmt, valueap);
1497 if (nvp == NULL) {
1498 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1499 ERRNO_SET(nvl->nvl_error);
1500 } else {
1501 (void)nvlist_move_nvpair(nvl, nvp);
1502 }
1503 }
1504
1505 void
nvlist_add_null(nvlist_t * nvl,const char * name)1506 nvlist_add_null(nvlist_t *nvl, const char *name)
1507 {
1508 nvpair_t *nvp;
1509
1510 if (nvlist_error(nvl) != 0) {
1511 ERRNO_SET(nvlist_error(nvl));
1512 return;
1513 }
1514
1515 nvp = nvpair_create_null(name);
1516 if (nvp == NULL) {
1517 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1518 ERRNO_SET(nvl->nvl_error);
1519 } else {
1520 (void)nvlist_move_nvpair(nvl, nvp);
1521 }
1522 }
1523
1524 void
nvlist_add_binary(nvlist_t * nvl,const char * name,const void * value,size_t size)1525 nvlist_add_binary(nvlist_t *nvl, const char *name, const void *value,
1526 size_t size)
1527 {
1528 nvpair_t *nvp;
1529
1530 if (nvlist_error(nvl) != 0) {
1531 ERRNO_SET(nvlist_error(nvl));
1532 return;
1533 }
1534
1535 nvp = nvpair_create_binary(name, value, size);
1536 if (nvp == NULL) {
1537 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1538 ERRNO_SET(nvl->nvl_error);
1539 } else {
1540 (void)nvlist_move_nvpair(nvl, nvp);
1541 }
1542 }
1543
1544
1545 #define NVLIST_ADD(vtype, type) \
1546 void \
1547 nvlist_add_##type(nvlist_t *nvl, const char *name, vtype value) \
1548 { \
1549 nvpair_t *nvp; \
1550 \
1551 if (nvlist_error(nvl) != 0) { \
1552 ERRNO_SET(nvlist_error(nvl)); \
1553 return; \
1554 } \
1555 \
1556 nvp = nvpair_create_##type(name, value); \
1557 if (nvp == NULL) { \
1558 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM); \
1559 ERRNO_SET(nvl->nvl_error); \
1560 } else { \
1561 (void)nvlist_move_nvpair(nvl, nvp); \
1562 } \
1563 }
1564
1565 NVLIST_ADD(bool, bool)
1566 NVLIST_ADD(uint64_t, number)
1567 NVLIST_ADD(const char *, string)
1568 NVLIST_ADD(const nvlist_t *, nvlist)
1569 #ifndef _KERNEL
1570 NVLIST_ADD(int, descriptor);
1571 #endif
1572
1573 #undef NVLIST_ADD
1574
1575 #define NVLIST_ADD_ARRAY(vtype, type) \
1576 void \
1577 nvlist_add_##type##_array(nvlist_t *nvl, const char *name, vtype value, \
1578 size_t nitems) \
1579 { \
1580 nvpair_t *nvp; \
1581 \
1582 if (nvlist_error(nvl) != 0) { \
1583 ERRNO_SET(nvlist_error(nvl)); \
1584 return; \
1585 } \
1586 \
1587 nvp = nvpair_create_##type##_array(name, value, nitems); \
1588 if (nvp == NULL) { \
1589 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM); \
1590 ERRNO_SET(nvl->nvl_error); \
1591 } else { \
1592 (void)nvlist_move_nvpair(nvl, nvp); \
1593 } \
1594 }
1595
NVLIST_ADD_ARRAY(const bool *,bool)1596 NVLIST_ADD_ARRAY(const bool *, bool)
1597 NVLIST_ADD_ARRAY(const uint64_t *, number)
1598 NVLIST_ADD_ARRAY(const char * const *, string)
1599 NVLIST_ADD_ARRAY(const nvlist_t * const *, nvlist)
1600 #ifndef _KERNEL
1601 NVLIST_ADD_ARRAY(const int *, descriptor)
1602 #endif
1603
1604 #undef NVLIST_ADD_ARRAY
1605
1606 bool
1607 nvlist_move_nvpair(nvlist_t *nvl, nvpair_t *nvp)
1608 {
1609
1610 NVPAIR_ASSERT(nvp);
1611 PJDLOG_ASSERT(nvpair_nvlist(nvp) == NULL);
1612
1613 if (nvlist_error(nvl) != 0) {
1614 nvpair_free(nvp);
1615 ERRNO_SET(nvlist_error(nvl));
1616 return (false);
1617 }
1618 if ((nvl->nvl_flags & NV_FLAG_NO_UNIQUE) == 0) {
1619 if (nvlist_exists(nvl, nvpair_name(nvp))) {
1620 nvpair_free(nvp);
1621 nvl->nvl_error = EEXIST;
1622 ERRNO_SET(nvl->nvl_error);
1623 return (false);
1624 }
1625 }
1626
1627 nvpair_insert(&nvl->nvl_head, nvp, nvl);
1628 return (true);
1629 }
1630
1631 void
nvlist_move_string(nvlist_t * nvl,const char * name,char * value)1632 nvlist_move_string(nvlist_t *nvl, const char *name, char *value)
1633 {
1634 nvpair_t *nvp;
1635
1636 if (nvlist_error(nvl) != 0) {
1637 nv_free(value);
1638 ERRNO_SET(nvlist_error(nvl));
1639 return;
1640 }
1641
1642 nvp = nvpair_move_string(name, value);
1643 if (nvp == NULL) {
1644 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1645 ERRNO_SET(nvl->nvl_error);
1646 } else {
1647 (void)nvlist_move_nvpair(nvl, nvp);
1648 }
1649 }
1650
1651 void
nvlist_move_nvlist(nvlist_t * nvl,const char * name,nvlist_t * value)1652 nvlist_move_nvlist(nvlist_t *nvl, const char *name, nvlist_t *value)
1653 {
1654 nvpair_t *nvp;
1655
1656 if (nvlist_error(nvl) != 0) {
1657 if (value != NULL && nvlist_get_nvpair_parent(value) != NULL)
1658 nvlist_destroy(value);
1659 ERRNO_SET(nvlist_error(nvl));
1660 return;
1661 }
1662
1663 nvp = nvpair_move_nvlist(name, value);
1664 if (nvp == NULL) {
1665 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1666 ERRNO_SET(nvl->nvl_error);
1667 } else {
1668 (void)nvlist_move_nvpair(nvl, nvp);
1669 }
1670 }
1671
1672 #ifndef _KERNEL
1673 void
nvlist_move_descriptor(nvlist_t * nvl,const char * name,int value)1674 nvlist_move_descriptor(nvlist_t *nvl, const char *name, int value)
1675 {
1676 nvpair_t *nvp;
1677
1678 if (nvlist_error(nvl) != 0) {
1679 close(value);
1680 ERRNO_SET(nvlist_error(nvl));
1681 return;
1682 }
1683
1684 nvp = nvpair_move_descriptor(name, value);
1685 if (nvp == NULL) {
1686 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1687 ERRNO_SET(nvl->nvl_error);
1688 } else {
1689 (void)nvlist_move_nvpair(nvl, nvp);
1690 }
1691 }
1692 #endif
1693
1694 void
nvlist_move_binary(nvlist_t * nvl,const char * name,void * value,size_t size)1695 nvlist_move_binary(nvlist_t *nvl, const char *name, void *value, size_t size)
1696 {
1697 nvpair_t *nvp;
1698
1699 if (nvlist_error(nvl) != 0) {
1700 nv_free(value);
1701 ERRNO_SET(nvlist_error(nvl));
1702 return;
1703 }
1704
1705 nvp = nvpair_move_binary(name, value, size);
1706 if (nvp == NULL) {
1707 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1708 ERRNO_SET(nvl->nvl_error);
1709 } else {
1710 (void)nvlist_move_nvpair(nvl, nvp);
1711 }
1712 }
1713
1714 void
nvlist_move_bool_array(nvlist_t * nvl,const char * name,bool * value,size_t nitems)1715 nvlist_move_bool_array(nvlist_t *nvl, const char *name, bool *value,
1716 size_t nitems)
1717 {
1718 nvpair_t *nvp;
1719
1720 if (nvlist_error(nvl) != 0) {
1721 nv_free(value);
1722 ERRNO_SET(nvlist_error(nvl));
1723 return;
1724 }
1725
1726 nvp = nvpair_move_bool_array(name, value, nitems);
1727 if (nvp == NULL) {
1728 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1729 ERRNO_SET(nvl->nvl_error);
1730 } else {
1731 (void)nvlist_move_nvpair(nvl, nvp);
1732 }
1733 }
1734
1735 void
nvlist_move_string_array(nvlist_t * nvl,const char * name,char ** value,size_t nitems)1736 nvlist_move_string_array(nvlist_t *nvl, const char *name, char **value,
1737 size_t nitems)
1738 {
1739 nvpair_t *nvp;
1740 size_t i;
1741
1742 if (nvlist_error(nvl) != 0) {
1743 if (value != NULL) {
1744 for (i = 0; i < nitems; i++)
1745 nv_free(value[i]);
1746 nv_free(value);
1747 }
1748 ERRNO_SET(nvlist_error(nvl));
1749 return;
1750 }
1751
1752 nvp = nvpair_move_string_array(name, value, nitems);
1753 if (nvp == NULL) {
1754 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1755 ERRNO_SET(nvl->nvl_error);
1756 } else {
1757 (void)nvlist_move_nvpair(nvl, nvp);
1758 }
1759 }
1760
1761 void
nvlist_move_nvlist_array(nvlist_t * nvl,const char * name,nvlist_t ** value,size_t nitems)1762 nvlist_move_nvlist_array(nvlist_t *nvl, const char *name, nvlist_t **value,
1763 size_t nitems)
1764 {
1765 nvpair_t *nvp;
1766 size_t i;
1767
1768 if (nvlist_error(nvl) != 0) {
1769 if (value != NULL) {
1770 for (i = 0; i < nitems; i++) {
1771 if (nvlist_get_pararr(value[i], NULL) == NULL)
1772 nvlist_destroy(value[i]);
1773 }
1774 }
1775 nv_free(value);
1776 ERRNO_SET(nvlist_error(nvl));
1777 return;
1778 }
1779
1780 nvp = nvpair_move_nvlist_array(name, value, nitems);
1781 if (nvp == NULL) {
1782 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1783 ERRNO_SET(nvl->nvl_error);
1784 } else {
1785 (void)nvlist_move_nvpair(nvl, nvp);
1786 }
1787 }
1788
1789 void
nvlist_move_number_array(nvlist_t * nvl,const char * name,uint64_t * value,size_t nitems)1790 nvlist_move_number_array(nvlist_t *nvl, const char *name, uint64_t *value,
1791 size_t nitems)
1792 {
1793 nvpair_t *nvp;
1794
1795 if (nvlist_error(nvl) != 0) {
1796 nv_free(value);
1797 ERRNO_SET(nvlist_error(nvl));
1798 return;
1799 }
1800
1801 nvp = nvpair_move_number_array(name, value, nitems);
1802 if (nvp == NULL) {
1803 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1804 ERRNO_SET(nvl->nvl_error);
1805 } else {
1806 (void)nvlist_move_nvpair(nvl, nvp);
1807 }
1808 }
1809
1810 #ifndef _KERNEL
1811 void
nvlist_move_descriptor_array(nvlist_t * nvl,const char * name,int * value,size_t nitems)1812 nvlist_move_descriptor_array(nvlist_t *nvl, const char *name, int *value,
1813 size_t nitems)
1814 {
1815 nvpair_t *nvp;
1816 size_t i;
1817
1818 if (nvlist_error(nvl) != 0) {
1819 if (value != 0) {
1820 for (i = 0; i < nitems; i++)
1821 close(value[i]);
1822 nv_free(value);
1823 }
1824
1825 ERRNO_SET(nvlist_error(nvl));
1826 return;
1827 }
1828
1829 nvp = nvpair_move_descriptor_array(name, value, nitems);
1830 if (nvp == NULL) {
1831 nvl->nvl_error = ERRNO_OR_DEFAULT(ENOMEM);
1832 ERRNO_SET(nvl->nvl_error);
1833 } else {
1834 (void)nvlist_move_nvpair(nvl, nvp);
1835 }
1836 }
1837 #endif
1838
1839 const nvpair_t *
nvlist_get_nvpair(const nvlist_t * nvl,const char * name)1840 nvlist_get_nvpair(const nvlist_t *nvl, const char *name)
1841 {
1842
1843 return (nvlist_find(nvl, NV_TYPE_NONE, name));
1844 }
1845
1846 #define NVLIST_GET(ftype, type, TYPE) \
1847 ftype \
1848 nvlist_get_##type(const nvlist_t *nvl, const char *name) \
1849 { \
1850 const nvpair_t *nvp; \
1851 \
1852 nvp = nvlist_find(nvl, NV_TYPE_##TYPE, name); \
1853 if (nvp == NULL) \
1854 nvlist_report_missing(NV_TYPE_##TYPE, name); \
1855 return (nvpair_get_##type(nvp)); \
1856 }
1857
NVLIST_GET(bool,bool,BOOL)1858 NVLIST_GET(bool, bool, BOOL)
1859 NVLIST_GET(uint64_t, number, NUMBER)
1860 NVLIST_GET(const char *, string, STRING)
1861 NVLIST_GET(const nvlist_t *, nvlist, NVLIST)
1862 #ifndef _KERNEL
1863 NVLIST_GET(int, descriptor, DESCRIPTOR)
1864 #endif
1865
1866 #undef NVLIST_GET
1867
1868 const void *
1869 nvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep)
1870 {
1871 nvpair_t *nvp;
1872
1873 nvp = nvlist_find(nvl, NV_TYPE_BINARY, name);
1874 if (nvp == NULL)
1875 nvlist_report_missing(NV_TYPE_BINARY, name);
1876
1877 return (nvpair_get_binary(nvp, sizep));
1878 }
1879
1880 #define NVLIST_GET_ARRAY(ftype, type, TYPE) \
1881 ftype \
1882 nvlist_get_##type##_array(const nvlist_t *nvl, const char *name, \
1883 size_t *nitems) \
1884 { \
1885 const nvpair_t *nvp; \
1886 \
1887 nvp = nvlist_find(nvl, NV_TYPE_##TYPE##_ARRAY, name); \
1888 if (nvp == NULL) \
1889 nvlist_report_missing(NV_TYPE_##TYPE##_ARRAY, name); \
1890 return (nvpair_get_##type##_array(nvp, nitems)); \
1891 }
1892
NVLIST_GET_ARRAY(const bool *,bool,BOOL)1893 NVLIST_GET_ARRAY(const bool *, bool, BOOL)
1894 NVLIST_GET_ARRAY(const uint64_t *, number, NUMBER)
1895 NVLIST_GET_ARRAY(const char * const *, string, STRING)
1896 NVLIST_GET_ARRAY(const nvlist_t * const *, nvlist, NVLIST)
1897 #ifndef _KERNEL
1898 NVLIST_GET_ARRAY(const int *, descriptor, DESCRIPTOR)
1899 #endif
1900
1901 #undef NVLIST_GET_ARRAY
1902
1903 #define NVLIST_TAKE(ftype, type, TYPE) \
1904 ftype \
1905 nvlist_take_##type(nvlist_t *nvl, const char *name) \
1906 { \
1907 nvpair_t *nvp; \
1908 ftype value; \
1909 \
1910 nvp = nvlist_find(nvl, NV_TYPE_##TYPE, name); \
1911 if (nvp == NULL) \
1912 nvlist_report_missing(NV_TYPE_##TYPE, name); \
1913 value = (ftype)(intptr_t)nvpair_get_##type(nvp); \
1914 nvlist_remove_nvpair(nvl, nvp); \
1915 nvpair_free_structure(nvp); \
1916 return (value); \
1917 }
1918
1919 NVLIST_TAKE(bool, bool, BOOL)
1920 NVLIST_TAKE(uint64_t, number, NUMBER)
1921 NVLIST_TAKE(char *, string, STRING)
1922 NVLIST_TAKE(nvlist_t *, nvlist, NVLIST)
1923 #ifndef _KERNEL
1924 NVLIST_TAKE(int, descriptor, DESCRIPTOR)
1925 #endif
1926
1927 #undef NVLIST_TAKE
1928
1929 void *
1930 nvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep)
1931 {
1932 nvpair_t *nvp;
1933 void *value;
1934
1935 nvp = nvlist_find(nvl, NV_TYPE_BINARY, name);
1936 if (nvp == NULL)
1937 nvlist_report_missing(NV_TYPE_BINARY, name);
1938
1939 value = (void *)(intptr_t)nvpair_get_binary(nvp, sizep);
1940 nvlist_remove_nvpair(nvl, nvp);
1941 nvpair_free_structure(nvp);
1942 return (value);
1943 }
1944
1945 #define NVLIST_TAKE_ARRAY(ftype, type, TYPE) \
1946 ftype \
1947 nvlist_take_##type##_array(nvlist_t *nvl, const char *name, \
1948 size_t *nitems) \
1949 { \
1950 nvpair_t *nvp; \
1951 ftype value; \
1952 \
1953 nvp = nvlist_find(nvl, NV_TYPE_##TYPE##_ARRAY, name); \
1954 if (nvp == NULL) \
1955 nvlist_report_missing(NV_TYPE_##TYPE##_ARRAY, name); \
1956 value = (ftype)(intptr_t)nvpair_get_##type##_array(nvp, nitems);\
1957 nvlist_remove_nvpair(nvl, nvp); \
1958 nvpair_free_structure(nvp); \
1959 return (value); \
1960 }
1961
NVLIST_TAKE_ARRAY(bool *,bool,BOOL)1962 NVLIST_TAKE_ARRAY(bool *, bool, BOOL)
1963 NVLIST_TAKE_ARRAY(uint64_t *, number, NUMBER)
1964 NVLIST_TAKE_ARRAY(char **, string, STRING)
1965 NVLIST_TAKE_ARRAY(nvlist_t **, nvlist, NVLIST)
1966 #ifndef _KERNEL
1967 NVLIST_TAKE_ARRAY(int *, descriptor, DESCRIPTOR)
1968 #endif
1969
1970 void
1971 nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp)
1972 {
1973
1974 NVLIST_ASSERT(nvl);
1975 NVPAIR_ASSERT(nvp);
1976 PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
1977
1978 nvpair_remove(&nvl->nvl_head, nvp, nvl);
1979 }
1980
1981 void
nvlist_free(nvlist_t * nvl,const char * name)1982 nvlist_free(nvlist_t *nvl, const char *name)
1983 {
1984
1985 nvlist_free_type(nvl, name, NV_TYPE_NONE);
1986 }
1987
1988 #define NVLIST_FREE(type, TYPE) \
1989 void \
1990 nvlist_free_##type(nvlist_t *nvl, const char *name) \
1991 { \
1992 \
1993 nvlist_free_type(nvl, name, NV_TYPE_##TYPE); \
1994 }
1995
NVLIST_FREE(null,NULL)1996 NVLIST_FREE(null, NULL)
1997 NVLIST_FREE(bool, BOOL)
1998 NVLIST_FREE(number, NUMBER)
1999 NVLIST_FREE(string, STRING)
2000 NVLIST_FREE(nvlist, NVLIST)
2001 NVLIST_FREE(binary, BINARY)
2002 NVLIST_FREE(bool_array, BOOL_ARRAY)
2003 NVLIST_FREE(number_array, NUMBER_ARRAY)
2004 NVLIST_FREE(string_array, STRING_ARRAY)
2005 NVLIST_FREE(nvlist_array, NVLIST_ARRAY)
2006 #ifndef _KERNEL
2007 NVLIST_FREE(descriptor, DESCRIPTOR)
2008 NVLIST_FREE(descriptor_array, DESCRIPTOR_ARRAY)
2009 #endif
2010
2011 #undef NVLIST_FREE
2012
2013 void
2014 nvlist_free_nvpair(nvlist_t *nvl, nvpair_t *nvp)
2015 {
2016
2017 NVLIST_ASSERT(nvl);
2018 NVPAIR_ASSERT(nvp);
2019 PJDLOG_ASSERT(nvpair_nvlist(nvp) == nvl);
2020
2021 nvlist_remove_nvpair(nvl, nvp);
2022 nvpair_free(nvp);
2023 }
2024
2025