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vdev_id: Create symlinks even if no /dev/mapper/
[zfs.git] / lib / libnvpair / libnvpair.c
blob2e9ea1c174e955ce1bbbbd21ea4ced0093e9440b
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2012 by Delphix. All rights reserved.
24 */
25
26 #include <unistd.h>
27 #include <string.h>
28 #include <libintl.h>
29 #include <sys/types.h>
30 #include <sys/inttypes.h>
31 #include <sys/note.h>
32 #include <stdarg.h>
33 #include "libnvpair.h"
34
35 /*
36 * libnvpair - A tools library for manipulating <name, value> pairs.
37 *
38 * This library provides routines packing an unpacking nv pairs
39 * for transporting data across process boundaries, transporting
40 * between kernel and userland, and possibly saving onto disk files.
41 */
42
43 /*
44 * Print control structure.
45 */
46
47 #define DEFINEOP(opname, vtype) \
48 struct { \
49 int (*op)(struct nvlist_prtctl *, void *, nvlist_t *, \
50 const char *, vtype); \
51 void *arg; \
52 } opname
53
54 #define DEFINEARROP(opname, vtype) \
55 struct { \
56 int (*op)(struct nvlist_prtctl *, void *, nvlist_t *, \
57 const char *, vtype, uint_t); \
58 void *arg; \
59 } opname
60
61 struct nvlist_printops {
62 DEFINEOP(print_boolean, int);
63 DEFINEOP(print_boolean_value, boolean_t);
64 DEFINEOP(print_byte, uchar_t);
65 DEFINEOP(print_int8, int8_t);
66 DEFINEOP(print_uint8, uint8_t);
67 DEFINEOP(print_int16, int16_t);
68 DEFINEOP(print_uint16, uint16_t);
69 DEFINEOP(print_int32, int32_t);
70 DEFINEOP(print_uint32, uint32_t);
71 DEFINEOP(print_int64, int64_t);
72 DEFINEOP(print_uint64, uint64_t);
73 DEFINEOP(print_double, double);
74 DEFINEOP(print_string, char *);
75 DEFINEOP(print_hrtime, hrtime_t);
76 DEFINEOP(print_nvlist, nvlist_t *);
77 DEFINEARROP(print_boolean_array, boolean_t *);
78 DEFINEARROP(print_byte_array, uchar_t *);
79 DEFINEARROP(print_int8_array, int8_t *);
80 DEFINEARROP(print_uint8_array, uint8_t *);
81 DEFINEARROP(print_int16_array, int16_t *);
82 DEFINEARROP(print_uint16_array, uint16_t *);
83 DEFINEARROP(print_int32_array, int32_t *);
84 DEFINEARROP(print_uint32_array, uint32_t *);
85 DEFINEARROP(print_int64_array, int64_t *);
86 DEFINEARROP(print_uint64_array, uint64_t *);
87 DEFINEARROP(print_string_array, char **);
88 DEFINEARROP(print_nvlist_array, nvlist_t **);
89 };
90
91 struct nvlist_prtctl {
92 FILE *nvprt_fp; /* output destination */
93 enum nvlist_indent_mode nvprt_indent_mode; /* see above */
94 int nvprt_indent; /* absolute indent, or tab depth */
95 int nvprt_indentinc; /* indent or tab increment */
96 const char *nvprt_nmfmt; /* member name format, max one %s */
97 const char *nvprt_eomfmt; /* after member format, e.g. "\n" */
98 const char *nvprt_btwnarrfmt; /* between array members */
99 int nvprt_btwnarrfmt_nl; /* nvprt_eoamfmt includes newline? */
100 struct nvlist_printops *nvprt_dfltops;
101 struct nvlist_printops *nvprt_custops;
102 };
103
104 #define DFLTPRTOP(pctl, type) \
105 ((pctl)->nvprt_dfltops->print_##type.op)
106
107 #define DFLTPRTOPARG(pctl, type) \
108 ((pctl)->nvprt_dfltops->print_##type.arg)
109
110 #define CUSTPRTOP(pctl, type) \
111 ((pctl)->nvprt_custops->print_##type.op)
112
113 #define CUSTPRTOPARG(pctl, type) \
114 ((pctl)->nvprt_custops->print_##type.arg)
115
116 #define RENDER(pctl, type, nvl, name, val) \
117 { \
118 int done = 0; \
119 if ((pctl)->nvprt_custops && CUSTPRTOP(pctl, type)) { \
120 done = CUSTPRTOP(pctl, type)(pctl, \
121 CUSTPRTOPARG(pctl, type), nvl, name, val); \
122 } \
123 if (!done) { \
124 (void) DFLTPRTOP(pctl, type)(pctl, \
125 DFLTPRTOPARG(pctl, type), nvl, name, val); \
126 } \
127 (void) fprintf(pctl->nvprt_fp, "%s", pctl->nvprt_eomfmt); \
128 }
129
130 #define ARENDER(pctl, type, nvl, name, arrp, count) \
131 { \
132 int done = 0; \
133 if ((pctl)->nvprt_custops && CUSTPRTOP(pctl, type)) { \
134 done = CUSTPRTOP(pctl, type)(pctl, \
135 CUSTPRTOPARG(pctl, type), nvl, name, arrp, count); \
136 } \
137 if (!done) { \
138 (void) DFLTPRTOP(pctl, type)(pctl, \
139 DFLTPRTOPARG(pctl, type), nvl, name, arrp, count); \
140 } \
141 (void) fprintf(pctl->nvprt_fp, "%s", pctl->nvprt_eomfmt); \
142 }
143
144 static void nvlist_print_with_indent(nvlist_t *, nvlist_prtctl_t);
145
146 /*
147 * ======================================================================
148 * | |
149 * | Indentation |
150 * | |
151 * ======================================================================
152 */
153
154 static void
155 indent(nvlist_prtctl_t pctl, int onemore)
156 {
157 int depth;
158
159 switch (pctl->nvprt_indent_mode) {
160 case NVLIST_INDENT_ABS:
161 (void) fprintf(pctl->nvprt_fp, "%*s",
162 pctl->nvprt_indent + onemore * pctl->nvprt_indentinc, "");
163 break;
164
165 case NVLIST_INDENT_TABBED:
166 depth = pctl->nvprt_indent + onemore;
167 while (depth-- > 0)
168 (void) fprintf(pctl->nvprt_fp, "\t");
169 }
170 }
171
172 /*
173 * ======================================================================
174 * | |
175 * | Default nvlist member rendering functions. |
176 * | |
177 * ======================================================================
178 */
179
180 /*
181 * Generate functions to print single-valued nvlist members.
182 *
183 * type_and_variant - suffix to form function name
184 * vtype - C type for the member value
185 * ptype - C type to cast value to for printing
186 * vfmt - format string for pair value, e.g "%d" or "0x%llx"
187 */
188
189 #define NVLIST_PRTFUNC(type_and_variant, vtype, ptype, vfmt) \
190 static int \
191 nvprint_##type_and_variant(nvlist_prtctl_t pctl, void *private, \
192 nvlist_t *nvl, const char *name, vtype value) \
193 { \
194 FILE *fp = pctl->nvprt_fp; \
195 NOTE(ARGUNUSED(private)) \
196 NOTE(ARGUNUSED(nvl)) \
197 indent(pctl, 1); \
198 (void) fprintf(fp, pctl->nvprt_nmfmt, name); \
199 (void) fprintf(fp, vfmt, (ptype)value); \
200 return (1); \
201 }
202
203 NVLIST_PRTFUNC(boolean, int, int, "%d")
204 NVLIST_PRTFUNC(boolean_value, boolean_t, int, "%d")
205 NVLIST_PRTFUNC(byte, uchar_t, uchar_t, "0x%2.2x")
206 NVLIST_PRTFUNC(int8, int8_t, int, "%d")
207 NVLIST_PRTFUNC(uint8, uint8_t, uint8_t, "0x%x")
208 NVLIST_PRTFUNC(int16, int16_t, int16_t, "%d")
209 NVLIST_PRTFUNC(uint16, uint16_t, uint16_t, "0x%x")
210 NVLIST_PRTFUNC(int32, int32_t, int32_t, "%d")
211 NVLIST_PRTFUNC(uint32, uint32_t, uint32_t, "0x%x")
212 NVLIST_PRTFUNC(int64, int64_t, longlong_t, "%lld")
213 NVLIST_PRTFUNC(uint64, uint64_t, u_longlong_t, "0x%llx")
214 NVLIST_PRTFUNC(double, double, double, "0x%f")
215 NVLIST_PRTFUNC(string, char *, char *, "%s")
216 NVLIST_PRTFUNC(hrtime, hrtime_t, hrtime_t, "0x%llx")
217
218 /*
219 * Generate functions to print array-valued nvlist members.
220 */
221
222 #define NVLIST_ARRPRTFUNC(type_and_variant, vtype, ptype, vfmt) \
223 static int \
224 nvaprint_##type_and_variant(nvlist_prtctl_t pctl, void *private, \
225 nvlist_t *nvl, const char *name, vtype *valuep, uint_t count) \
226 { \
227 FILE *fp = pctl->nvprt_fp; \
228 uint_t i; \
229 NOTE(ARGUNUSED(private)) \
230 NOTE(ARGUNUSED(nvl)) \
231 for (i = 0; i < count; i++) { \
232 if (i == 0 || pctl->nvprt_btwnarrfmt_nl) { \
233 indent(pctl, 1); \
234 (void) fprintf(fp, pctl->nvprt_nmfmt, name); \
235 if (pctl->nvprt_btwnarrfmt_nl) \
236 (void) fprintf(fp, "[%d]: ", i); \
237 } \
238 if (i != 0) \
239 (void) fprintf(fp, "%s", pctl->nvprt_btwnarrfmt); \
240 (void) fprintf(fp, vfmt, (ptype)valuep[i]); \
241 } \
242 return (1); \
243 }
244
245 NVLIST_ARRPRTFUNC(boolean_array, boolean_t, boolean_t, "%d")
246 NVLIST_ARRPRTFUNC(byte_array, uchar_t, uchar_t, "0x%2.2x")
247 NVLIST_ARRPRTFUNC(int8_array, int8_t, int8_t, "%d")
248 NVLIST_ARRPRTFUNC(uint8_array, uint8_t, uint8_t, "0x%x")
249 NVLIST_ARRPRTFUNC(int16_array, int16_t, int16_t, "%d")
250 NVLIST_ARRPRTFUNC(uint16_array, uint16_t, uint16_t, "0x%x")
251 NVLIST_ARRPRTFUNC(int32_array, int32_t, int32_t, "%d")
252 NVLIST_ARRPRTFUNC(uint32_array, uint32_t, uint32_t, "0x%x")
253 NVLIST_ARRPRTFUNC(int64_array, int64_t, longlong_t, "%lld")
254 NVLIST_ARRPRTFUNC(uint64_array, uint64_t, u_longlong_t, "0x%llx")
255 NVLIST_ARRPRTFUNC(string_array, char *, char *, "%s")
256
257 /*ARGSUSED*/
258 static int
259 nvprint_nvlist(nvlist_prtctl_t pctl, void *private,
260 nvlist_t *nvl, const char *name, nvlist_t *value)
261 {
262 FILE *fp = pctl->nvprt_fp;
263
264 indent(pctl, 1);
265 (void) fprintf(fp, "%s = (embedded nvlist)\n", name);
266
267 pctl->nvprt_indent += pctl->nvprt_indentinc;
268 nvlist_print_with_indent(value, pctl);
269 pctl->nvprt_indent -= pctl->nvprt_indentinc;
270
271 indent(pctl, 1);
272 (void) fprintf(fp, "(end %s)\n", name);
273
274 return (1);
275 }
276
277 /*ARGSUSED*/
278 static int
279 nvaprint_nvlist_array(nvlist_prtctl_t pctl, void *private,
280 nvlist_t *nvl, const char *name, nvlist_t **valuep, uint_t count)
281 {
282 FILE *fp = pctl->nvprt_fp;
283 uint_t i;
284
285 indent(pctl, 1);
286 (void) fprintf(fp, "%s = (array of embedded nvlists)\n", name);
287
288 for (i = 0; i < count; i++) {
289 indent(pctl, 1);
290 (void) fprintf(fp, "(start %s[%d])\n", name, i);
291
292 pctl->nvprt_indent += pctl->nvprt_indentinc;
293 nvlist_print_with_indent(valuep[i], pctl);
294 pctl->nvprt_indent -= pctl->nvprt_indentinc;
295
296 indent(pctl, 1);
297 (void) fprintf(fp, "(end %s[%d])\n", name, i);
298 }
299
300 return (1);
301 }
302
303 /*
304 * ======================================================================
305 * | |
306 * | Interfaces that allow control over formatting. |
307 * | |
308 * ======================================================================
309 */
310
311 void
312 nvlist_prtctl_setdest(nvlist_prtctl_t pctl, FILE *fp)
313 {
314 pctl->nvprt_fp = fp;
315 }
316
317 FILE *
318 nvlist_prtctl_getdest(nvlist_prtctl_t pctl)
319 {
320 return (pctl->nvprt_fp);
321 }
322
323
324 void
325 nvlist_prtctl_setindent(nvlist_prtctl_t pctl, enum nvlist_indent_mode mode,
326 int start, int inc)
327 {
328 if (mode < NVLIST_INDENT_ABS || mode > NVLIST_INDENT_TABBED)
329 mode = NVLIST_INDENT_TABBED;
330
331 if (start < 0)
332 start = 0;
333
334 if (inc < 0)
335 inc = 1;
336
337 pctl->nvprt_indent_mode = mode;
338 pctl->nvprt_indent = start;
339 pctl->nvprt_indentinc = inc;
340 }
341
342 void
343 nvlist_prtctl_doindent(nvlist_prtctl_t pctl, int onemore)
344 {
345 indent(pctl, onemore);
346 }
347
348
349 void
350 nvlist_prtctl_setfmt(nvlist_prtctl_t pctl, enum nvlist_prtctl_fmt which,
351 const char *fmt)
352 {
353 switch (which) {
354 case NVLIST_FMT_MEMBER_NAME:
355 if (fmt == NULL)
356 fmt = "%s = ";
357 pctl->nvprt_nmfmt = fmt;
358 break;
359
360 case NVLIST_FMT_MEMBER_POSTAMBLE:
361 if (fmt == NULL)
362 fmt = "\n";
363 pctl->nvprt_eomfmt = fmt;
364 break;
365
366 case NVLIST_FMT_BTWN_ARRAY:
367 if (fmt == NULL) {
368 pctl->nvprt_btwnarrfmt = " ";
369 pctl->nvprt_btwnarrfmt_nl = 0;
370 } else {
371 pctl->nvprt_btwnarrfmt = fmt;
372 pctl->nvprt_btwnarrfmt_nl = (strstr(fmt, "\n") != NULL);
373 }
374 break;
375
376 default:
377 break;
378 }
379 }
380
381
382 void
383 nvlist_prtctl_dofmt(nvlist_prtctl_t pctl, enum nvlist_prtctl_fmt which, ...)
384 {
385 FILE *fp = pctl->nvprt_fp;
386 va_list ap;
387 char *name;
388
389 va_start(ap, which);
390
391 switch (which) {
392 case NVLIST_FMT_MEMBER_NAME:
393 name = va_arg(ap, char *);
394 (void) fprintf(fp, pctl->nvprt_nmfmt, name);
395 break;
396
397 case NVLIST_FMT_MEMBER_POSTAMBLE:
398 (void) fprintf(fp, "%s", pctl->nvprt_eomfmt);
399 break;
400
401 case NVLIST_FMT_BTWN_ARRAY:
402 (void) fprintf(fp, "%s", pctl->nvprt_btwnarrfmt);
403 break;
404
405 default:
406 break;
407 }
408
409 va_end(ap);
410 }
411
412 /*
413 * ======================================================================
414 * | |
415 * | Interfaces to allow appointment of replacement rendering functions.|
416 * | |
417 * ======================================================================
418 */
419
420 #define NVLIST_PRINTCTL_REPLACE(type, vtype) \
421 void \
422 nvlist_prtctlop_##type(nvlist_prtctl_t pctl, \
423 int (*func)(nvlist_prtctl_t, void *, nvlist_t *, const char *, vtype), \
424 void *private) \
425 { \
426 CUSTPRTOP(pctl, type) = func; \
427 CUSTPRTOPARG(pctl, type) = private; \
428 }
429
430 NVLIST_PRINTCTL_REPLACE(boolean, int)
431 NVLIST_PRINTCTL_REPLACE(boolean_value, boolean_t)
432 NVLIST_PRINTCTL_REPLACE(byte, uchar_t)
433 NVLIST_PRINTCTL_REPLACE(int8, int8_t)
434 NVLIST_PRINTCTL_REPLACE(uint8, uint8_t)
435 NVLIST_PRINTCTL_REPLACE(int16, int16_t)
436 NVLIST_PRINTCTL_REPLACE(uint16, uint16_t)
437 NVLIST_PRINTCTL_REPLACE(int32, int32_t)
438 NVLIST_PRINTCTL_REPLACE(uint32, uint32_t)
439 NVLIST_PRINTCTL_REPLACE(int64, int64_t)
440 NVLIST_PRINTCTL_REPLACE(uint64, uint64_t)
441 NVLIST_PRINTCTL_REPLACE(double, double)
442 NVLIST_PRINTCTL_REPLACE(string, char *)
443 NVLIST_PRINTCTL_REPLACE(hrtime, hrtime_t)
444 NVLIST_PRINTCTL_REPLACE(nvlist, nvlist_t *)
445
446 #define NVLIST_PRINTCTL_AREPLACE(type, vtype) \
447 void \
448 nvlist_prtctlop_##type(nvlist_prtctl_t pctl, \
449 int (*func)(nvlist_prtctl_t, void *, nvlist_t *, const char *, vtype, \
450 uint_t), void *private) \
451 { \
452 CUSTPRTOP(pctl, type) = func; \
453 CUSTPRTOPARG(pctl, type) = private; \
454 }
455
456 NVLIST_PRINTCTL_AREPLACE(boolean_array, boolean_t *)
457 NVLIST_PRINTCTL_AREPLACE(byte_array, uchar_t *)
458 NVLIST_PRINTCTL_AREPLACE(int8_array, int8_t *)
459 NVLIST_PRINTCTL_AREPLACE(uint8_array, uint8_t *)
460 NVLIST_PRINTCTL_AREPLACE(int16_array, int16_t *)
461 NVLIST_PRINTCTL_AREPLACE(uint16_array, uint16_t *)
462 NVLIST_PRINTCTL_AREPLACE(int32_array, int32_t *)
463 NVLIST_PRINTCTL_AREPLACE(uint32_array, uint32_t *)
464 NVLIST_PRINTCTL_AREPLACE(int64_array, int64_t *)
465 NVLIST_PRINTCTL_AREPLACE(uint64_array, uint64_t *)
466 NVLIST_PRINTCTL_AREPLACE(string_array, char **)
467 NVLIST_PRINTCTL_AREPLACE(nvlist_array, nvlist_t **)
468
469 /*
470 * ======================================================================
471 * | |
472 * | Interfaces to manage nvlist_prtctl_t cookies. |
473 * | |
474 * ======================================================================
475 */
476
477
478 static const struct nvlist_printops defprtops =
479 {
480 { nvprint_boolean, NULL },
481 { nvprint_boolean_value, NULL },
482 { nvprint_byte, NULL },
483 { nvprint_int8, NULL },
484 { nvprint_uint8, NULL },
485 { nvprint_int16, NULL },
486 { nvprint_uint16, NULL },
487 { nvprint_int32, NULL },
488 { nvprint_uint32, NULL },
489 { nvprint_int64, NULL },
490 { nvprint_uint64, NULL },
491 { nvprint_double, NULL },
492 { nvprint_string, NULL },
493 { nvprint_hrtime, NULL },
494 { nvprint_nvlist, NULL },
495 { nvaprint_boolean_array, NULL },
496 { nvaprint_byte_array, NULL },
497 { nvaprint_int8_array, NULL },
498 { nvaprint_uint8_array, NULL },
499 { nvaprint_int16_array, NULL },
500 { nvaprint_uint16_array, NULL },
501 { nvaprint_int32_array, NULL },
502 { nvaprint_uint32_array, NULL },
503 { nvaprint_int64_array, NULL },
504 { nvaprint_uint64_array, NULL },
505 { nvaprint_string_array, NULL },
506 { nvaprint_nvlist_array, NULL },
507 };
508
509 static void
510 prtctl_defaults(FILE *fp, struct nvlist_prtctl *pctl,
511 struct nvlist_printops *ops)
512 {
513 pctl->nvprt_fp = fp;
514 pctl->nvprt_indent_mode = NVLIST_INDENT_TABBED;
515 pctl->nvprt_indent = 0;
516 pctl->nvprt_indentinc = 1;
517 pctl->nvprt_nmfmt = "%s = ";
518 pctl->nvprt_eomfmt = "\n";
519 pctl->nvprt_btwnarrfmt = " ";
520 pctl->nvprt_btwnarrfmt_nl = 0;
521
522 pctl->nvprt_dfltops = (struct nvlist_printops *)&defprtops;
523 pctl->nvprt_custops = ops;
524 }
525
526 nvlist_prtctl_t
527 nvlist_prtctl_alloc(void)
528 {
529 struct nvlist_prtctl *pctl;
530 struct nvlist_printops *ops;
531
532 if ((pctl = malloc(sizeof (*pctl))) == NULL)
533 return (NULL);
534
535 if ((ops = calloc(1, sizeof (*ops))) == NULL) {
536 free(pctl);
537 return (NULL);
538 }
539
540 prtctl_defaults(stdout, pctl, ops);
541
542 return (pctl);
543 }
544
545 void
546 nvlist_prtctl_free(nvlist_prtctl_t pctl)
547 {
548 if (pctl != NULL) {
549 free(pctl->nvprt_custops);
550 free(pctl);
551 }
552 }
553
554 /*
555 * ======================================================================
556 * | |
557 * | Top-level print request interfaces. |
558 * | |
559 * ======================================================================
560 */
561
562 /*
563 * nvlist_print - Prints elements in an event buffer
564 */
565 static void
566 nvlist_print_with_indent(nvlist_t *nvl, nvlist_prtctl_t pctl)
567 {
568 FILE *fp = pctl->nvprt_fp;
569 char *name;
570 uint_t nelem;
571 nvpair_t *nvp;
572
573 if (nvl == NULL)
574 return;
575
576 indent(pctl, 0);
577 (void) fprintf(fp, "nvlist version: %d\n", NVL_VERSION(nvl));
578
579 nvp = nvlist_next_nvpair(nvl, NULL);
580
581 while (nvp) {
582 data_type_t type = nvpair_type(nvp);
583
584 name = nvpair_name(nvp);
585 nelem = 0;
586
587 switch (type) {
588 case DATA_TYPE_BOOLEAN: {
589 RENDER(pctl, boolean, nvl, name, 1);
590 break;
591 }
592 case DATA_TYPE_BOOLEAN_VALUE: {
593 boolean_t val;
594 (void) nvpair_value_boolean_value(nvp, &val);
595 RENDER(pctl, boolean_value, nvl, name, val);
596 break;
597 }
598 case DATA_TYPE_BYTE: {
599 uchar_t val;
600 (void) nvpair_value_byte(nvp, &val);
601 RENDER(pctl, byte, nvl, name, val);
602 break;
603 }
604 case DATA_TYPE_INT8: {
605 int8_t val;
606 (void) nvpair_value_int8(nvp, &val);
607 RENDER(pctl, int8, nvl, name, val);
608 break;
609 }
610 case DATA_TYPE_UINT8: {
611 uint8_t val;
612 (void) nvpair_value_uint8(nvp, &val);
613 RENDER(pctl, uint8, nvl, name, val);
614 break;
615 }
616 case DATA_TYPE_INT16: {
617 int16_t val;
618 (void) nvpair_value_int16(nvp, &val);
619 RENDER(pctl, int16, nvl, name, val);
620 break;
621 }
622 case DATA_TYPE_UINT16: {
623 uint16_t val;
624 (void) nvpair_value_uint16(nvp, &val);
625 RENDER(pctl, uint16, nvl, name, val);
626 break;
627 }
628 case DATA_TYPE_INT32: {
629 int32_t val;
630 (void) nvpair_value_int32(nvp, &val);
631 RENDER(pctl, int32, nvl, name, val);
632 break;
633 }
634 case DATA_TYPE_UINT32: {
635 uint32_t val;
636 (void) nvpair_value_uint32(nvp, &val);
637 RENDER(pctl, uint32, nvl, name, val);
638 break;
639 }
640 case DATA_TYPE_INT64: {
641 int64_t val;
642 (void) nvpair_value_int64(nvp, &val);
643 RENDER(pctl, int64, nvl, name, val);
644 break;
645 }
646 case DATA_TYPE_UINT64: {
647 uint64_t val;
648 (void) nvpair_value_uint64(nvp, &val);
649 RENDER(pctl, uint64, nvl, name, val);
650 break;
651 }
652 case DATA_TYPE_DOUBLE: {
653 double val;
654 (void) nvpair_value_double(nvp, &val);
655 RENDER(pctl, double, nvl, name, val);
656 break;
657 }
658 case DATA_TYPE_STRING: {
659 char *val;
660 (void) nvpair_value_string(nvp, &val);
661 RENDER(pctl, string, nvl, name, val);
662 break;
663 }
664 case DATA_TYPE_BOOLEAN_ARRAY: {
665 boolean_t *val;
666 (void) nvpair_value_boolean_array(nvp, &val, &nelem);
667 ARENDER(pctl, boolean_array, nvl, name, val, nelem);
668 break;
669 }
670 case DATA_TYPE_BYTE_ARRAY: {
671 uchar_t *val;
672 (void) nvpair_value_byte_array(nvp, &val, &nelem);
673 ARENDER(pctl, byte_array, nvl, name, val, nelem);
674 break;
675 }
676 case DATA_TYPE_INT8_ARRAY: {
677 int8_t *val;
678 (void) nvpair_value_int8_array(nvp, &val, &nelem);
679 ARENDER(pctl, int8_array, nvl, name, val, nelem);
680 break;
681 }
682 case DATA_TYPE_UINT8_ARRAY: {
683 uint8_t *val;
684 (void) nvpair_value_uint8_array(nvp, &val, &nelem);
685 ARENDER(pctl, uint8_array, nvl, name, val, nelem);
686 break;
687 }
688 case DATA_TYPE_INT16_ARRAY: {
689 int16_t *val;
690 (void) nvpair_value_int16_array(nvp, &val, &nelem);
691 ARENDER(pctl, int16_array, nvl, name, val, nelem);
692 break;
693 }
694 case DATA_TYPE_UINT16_ARRAY: {
695 uint16_t *val;
696 (void) nvpair_value_uint16_array(nvp, &val, &nelem);
697 ARENDER(pctl, uint16_array, nvl, name, val, nelem);
698 break;
699 }
700 case DATA_TYPE_INT32_ARRAY: {
701 int32_t *val;
702 (void) nvpair_value_int32_array(nvp, &val, &nelem);
703 ARENDER(pctl, int32_array, nvl, name, val, nelem);
704 break;
705 }
706 case DATA_TYPE_UINT32_ARRAY: {
707 uint32_t *val;
708 (void) nvpair_value_uint32_array(nvp, &val, &nelem);
709 ARENDER(pctl, uint32_array, nvl, name, val, nelem);
710 break;
711 }
712 case DATA_TYPE_INT64_ARRAY: {
713 int64_t *val;
714 (void) nvpair_value_int64_array(nvp, &val, &nelem);
715 ARENDER(pctl, int64_array, nvl, name, val, nelem);
716 break;
717 }
718 case DATA_TYPE_UINT64_ARRAY: {
719 uint64_t *val;
720 (void) nvpair_value_uint64_array(nvp, &val, &nelem);
721 ARENDER(pctl, uint64_array, nvl, name, val, nelem);
722 break;
723 }
724 case DATA_TYPE_STRING_ARRAY: {
725 char **val;
726 (void) nvpair_value_string_array(nvp, &val, &nelem);
727 ARENDER(pctl, string_array, nvl, name, val, nelem);
728 break;
729 }
730 case DATA_TYPE_HRTIME: {
731 hrtime_t val;
732 (void) nvpair_value_hrtime(nvp, &val);
733 RENDER(pctl, hrtime, nvl, name, val);
734 break;
735 }
736 case DATA_TYPE_NVLIST: {
737 nvlist_t *val;
738 (void) nvpair_value_nvlist(nvp, &val);
739 RENDER(pctl, nvlist, nvl, name, val);
740 break;
741 }
742 case DATA_TYPE_NVLIST_ARRAY: {
743 nvlist_t **val;
744 (void) nvpair_value_nvlist_array(nvp, &val, &nelem);
745 ARENDER(pctl, nvlist_array, nvl, name, val, nelem);
746 break;
747 }
748 default:
749 (void) fprintf(fp, " unknown data type (%d)", type);
750 break;
751 }
752 nvp = nvlist_next_nvpair(nvl, nvp);
753 }
754 }
755
756 void
757 nvlist_print(FILE *fp, nvlist_t *nvl)
758 {
759 struct nvlist_prtctl pc;
760
761 prtctl_defaults(fp, &pc, NULL);
762 nvlist_print_with_indent(nvl, &pc);
763 }
764
765 void
766 nvlist_prt(nvlist_t *nvl, nvlist_prtctl_t pctl)
767 {
768 nvlist_print_with_indent(nvl, pctl);
769 }
770
771 #define NVP(elem, type, vtype, ptype, format) { \
772 vtype value; \
773 \
774 (void) nvpair_value_##type(elem, &value); \
775 (void) printf("%*s%s: " format "\n", indent, "", \
776 nvpair_name(elem), (ptype)value); \
777 }
778
779 #define NVPA(elem, type, vtype, ptype, format) { \
780 uint_t i, count; \
781 vtype *value; \
782 \
783 (void) nvpair_value_##type(elem, &value, &count); \
784 for (i = 0; i < count; i++) { \
785 (void) printf("%*s%s[%d]: " format "\n", indent, "", \
786 nvpair_name(elem), i, (ptype)value[i]); \
787 } \
788 }
789
790 /*
791 * Similar to nvlist_print() but handles arrays slightly differently.
792 */
793 void
794 dump_nvlist(nvlist_t *list, int indent)
795 {
796 nvpair_t *elem = NULL;
797 boolean_t bool_value;
798 nvlist_t *nvlist_value;
799 nvlist_t **nvlist_array_value;
800 uint_t i, count;
801
802 if (list == NULL) {
803 return;
804 }
805
806 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
807 switch (nvpair_type(elem)) {
808 case DATA_TYPE_BOOLEAN:
809 (void) printf("%*s%s\n", indent, "", nvpair_name(elem));
810 break;
811
812 case DATA_TYPE_BOOLEAN_VALUE:
813 (void) nvpair_value_boolean_value(elem, &bool_value);
814 (void) printf("%*s%s: %s\n", indent, "",
815 nvpair_name(elem), bool_value ? "true" : "false");
816 break;
817
818 case DATA_TYPE_BYTE:
819 NVP(elem, byte, uchar_t, int, "%u");
820 break;
821
822 case DATA_TYPE_INT8:
823 NVP(elem, int8, int8_t, int, "%d");
824 break;
825
826 case DATA_TYPE_UINT8:
827 NVP(elem, uint8, uint8_t, int, "%u");
828 break;
829
830 case DATA_TYPE_INT16:
831 NVP(elem, int16, int16_t, int, "%d");
832 break;
833
834 case DATA_TYPE_UINT16:
835 NVP(elem, uint16, uint16_t, int, "%u");
836 break;
837
838 case DATA_TYPE_INT32:
839 NVP(elem, int32, int32_t, long, "%ld");
840 break;
841
842 case DATA_TYPE_UINT32:
843 NVP(elem, uint32, uint32_t, ulong_t, "%lu");
844 break;
845
846 case DATA_TYPE_INT64:
847 NVP(elem, int64, int64_t, longlong_t, "%lld");
848 break;
849
850 case DATA_TYPE_UINT64:
851 NVP(elem, uint64, uint64_t, u_longlong_t, "%llu");
852 break;
853
854 case DATA_TYPE_STRING:
855 NVP(elem, string, char *, char *, "'%s'");
856 break;
857
858 case DATA_TYPE_BYTE_ARRAY:
859 NVPA(elem, byte_array, uchar_t, int, "%u");
860 break;
861
862 case DATA_TYPE_INT8_ARRAY:
863 NVPA(elem, int8_array, int8_t, int, "%d");
864 break;
865
866 case DATA_TYPE_UINT8_ARRAY:
867 NVPA(elem, uint8_array, uint8_t, int, "%u");
868 break;
869
870 case DATA_TYPE_INT16_ARRAY:
871 NVPA(elem, int16_array, int16_t, int, "%d");
872 break;
873
874 case DATA_TYPE_UINT16_ARRAY:
875 NVPA(elem, uint16_array, uint16_t, int, "%u");
876 break;
877
878 case DATA_TYPE_INT32_ARRAY:
879 NVPA(elem, int32_array, int32_t, long, "%ld");
880 break;
881
882 case DATA_TYPE_UINT32_ARRAY:
883 NVPA(elem, uint32_array, uint32_t, ulong_t, "%lu");
884 break;
885
886 case DATA_TYPE_INT64_ARRAY:
887 NVPA(elem, int64_array, int64_t, longlong_t, "%lld");
888 break;
889
890 case DATA_TYPE_UINT64_ARRAY:
891 NVPA(elem, uint64_array, uint64_t, u_longlong_t,
892 "%llu");
893 break;
894
895 case DATA_TYPE_STRING_ARRAY:
896 NVPA(elem, string_array, char *, char *, "'%s'");
897 break;
898
899 case DATA_TYPE_NVLIST:
900 (void) nvpair_value_nvlist(elem, &nvlist_value);
901 (void) printf("%*s%s:\n", indent, "",
902 nvpair_name(elem));
903 dump_nvlist(nvlist_value, indent + 4);
904 break;
905
906 case DATA_TYPE_NVLIST_ARRAY:
907 (void) nvpair_value_nvlist_array(elem,
908 &nvlist_array_value, &count);
909 for (i = 0; i < count; i++) {
910 (void) printf("%*s%s[%u]:\n", indent, "",
911 nvpair_name(elem), i);
912 dump_nvlist(nvlist_array_value[i], indent + 4);
913 }
914 break;
915
916 default:
917 (void) printf(dgettext(TEXT_DOMAIN, "bad config type "
918 "%d for %s\n"), nvpair_type(elem),
919 nvpair_name(elem));
920 }
921 }
922 }
923
924 /*
925 * ======================================================================
926 * | |
927 * | Misc private interface. |
928 * | |
929 * ======================================================================
930 */
931
932 /*
933 * Determine if string 'value' matches 'nvp' value. The 'value' string is
934 * converted, depending on the type of 'nvp', prior to match. For numeric
935 * types, a radix independent sscanf conversion of 'value' is used. If 'nvp'
936 * is an array type, 'ai' is the index into the array against which we are
937 * checking for match. If nvp is of DATA_TYPE_STRING*, the caller can pass
938 * in a regex_t compilation of value in 'value_regex' to trigger regular
939 * expression string match instead of simple strcmp().
940 *
941 * Return 1 on match, 0 on no-match, and -1 on error. If the error is
942 * related to value syntax error and 'ep' is non-NULL, *ep will point into
943 * the 'value' string at the location where the error exists.
944 *
945 * NOTE: It may be possible to move the non-regex_t version of this into
946 * common code used by library/kernel/boot.
947 */
948 int
949 nvpair_value_match_regex(nvpair_t *nvp, int ai,
950 char *value, regex_t *value_regex, char **ep)
951 {
952 char *evalue;
953 uint_t a_len;
954 int sr;
955
956 if (ep)
957 *ep = NULL;
958
959 if ((nvp == NULL) || (value == NULL))
960 return (-1); /* error fail match - invalid args */
961
962 /* make sure array and index combination make sense */
963 if ((nvpair_type_is_array(nvp) && (ai < 0)) ||
964 (!nvpair_type_is_array(nvp) && (ai >= 0)))
965 return (-1); /* error fail match - bad index */
966
967 /* non-string values should be single 'chunk' */
968 if ((nvpair_type(nvp) != DATA_TYPE_STRING) &&
969 (nvpair_type(nvp) != DATA_TYPE_STRING_ARRAY)) {
970 value += strspn(value, " \t");
971 evalue = value + strcspn(value, " \t");
972 if (*evalue) {
973 if (ep)
974 *ep = evalue;
975 return (-1); /* error fail match - syntax */
976 }
977 }
978
979 sr = EOF;
980 switch (nvpair_type(nvp)) {
981 case DATA_TYPE_STRING: {
982 char *val;
983
984 /* check string value for match */
985 if (nvpair_value_string(nvp, &val) == 0) {
986 if (value_regex) {
987 if (regexec(value_regex, val,
988 (size_t)0, NULL, 0) == 0)
989 return (1); /* match */
990 } else {
991 if (strcmp(value, val) == 0)
992 return (1); /* match */
993 }
994 }
995 break;
996 }
997 case DATA_TYPE_STRING_ARRAY: {
998 char **val_array;
999
1000 /* check indexed string value of array for match */
1001 if ((nvpair_value_string_array(nvp, &val_array, &a_len) == 0) &&
1002 (ai < a_len)) {
1003 if (value_regex) {
1004 if (regexec(value_regex, val_array[ai],
1005 (size_t)0, NULL, 0) == 0)
1006 return (1);
1007 } else {
1008 if (strcmp(value, val_array[ai]) == 0)
1009 return (1);
1010 }
1011 }
1012 break;
1013 }
1014 case DATA_TYPE_BYTE: {
1015 uchar_t val, val_arg;
1016
1017 /* scanf uchar_t from value and check for match */
1018 sr = sscanf(value, "%c", &val_arg);
1019 if ((sr == 1) && (nvpair_value_byte(nvp, &val) == 0) &&
1020 (val == val_arg))
1021 return (1);
1022 break;
1023 }
1024 case DATA_TYPE_BYTE_ARRAY: {
1025 uchar_t *val_array, val_arg;
1026
1027
1028 /* check indexed value of array for match */
1029 sr = sscanf(value, "%c", &val_arg);
1030 if ((sr == 1) &&
1031 (nvpair_value_byte_array(nvp, &val_array, &a_len) == 0) &&
1032 (ai < a_len) &&
1033 (val_array[ai] == val_arg))
1034 return (1);
1035 break;
1036 }
1037 case DATA_TYPE_INT8: {
1038 int8_t val, val_arg;
1039
1040 /* scanf int8_t from value and check for match */
1041 sr = sscanf(value, "%"SCNi8, &val_arg);
1042 if ((sr == 1) &&
1043 (nvpair_value_int8(nvp, &val) == 0) &&
1044 (val == val_arg))
1045 return (1);
1046 break;
1047 }
1048 case DATA_TYPE_INT8_ARRAY: {
1049 int8_t *val_array, val_arg;
1050
1051 /* check indexed value of array for match */
1052 sr = sscanf(value, "%"SCNi8, &val_arg);
1053 if ((sr == 1) &&
1054 (nvpair_value_int8_array(nvp, &val_array, &a_len) == 0) &&
1055 (ai < a_len) &&
1056 (val_array[ai] == val_arg))
1057 return (1);
1058 break;
1059 }
1060 case DATA_TYPE_UINT8: {
1061 uint8_t val, val_arg;
1062
1063 /* scanf uint8_t from value and check for match */
1064 sr = sscanf(value, "%"SCNi8, (int8_t *)&val_arg);
1065 if ((sr == 1) &&
1066 (nvpair_value_uint8(nvp, &val) == 0) &&
1067 (val == val_arg))
1068 return (1);
1069 break;
1070 }
1071 case DATA_TYPE_UINT8_ARRAY: {
1072 uint8_t *val_array, val_arg;
1073
1074 /* check indexed value of array for match */
1075 sr = sscanf(value, "%"SCNi8, (int8_t *)&val_arg);
1076 if ((sr == 1) &&
1077 (nvpair_value_uint8_array(nvp, &val_array, &a_len) == 0) &&
1078 (ai < a_len) &&
1079 (val_array[ai] == val_arg))
1080 return (1);
1081 break;
1082 }
1083 case DATA_TYPE_INT16: {
1084 int16_t val, val_arg;
1085
1086 /* scanf int16_t from value and check for match */
1087 sr = sscanf(value, "%"SCNi16, &val_arg);
1088 if ((sr == 1) &&
1089 (nvpair_value_int16(nvp, &val) == 0) &&
1090 (val == val_arg))
1091 return (1);
1092 break;
1093 }
1094 case DATA_TYPE_INT16_ARRAY: {
1095 int16_t *val_array, val_arg;
1096
1097 /* check indexed value of array for match */
1098 sr = sscanf(value, "%"SCNi16, &val_arg);
1099 if ((sr == 1) &&
1100 (nvpair_value_int16_array(nvp, &val_array, &a_len) == 0) &&
1101 (ai < a_len) &&
1102 (val_array[ai] == val_arg))
1103 return (1);
1104 break;
1105 }
1106 case DATA_TYPE_UINT16: {
1107 uint16_t val, val_arg;
1108
1109 /* scanf uint16_t from value and check for match */
1110 sr = sscanf(value, "%"SCNi16, (int16_t *)&val_arg);
1111 if ((sr == 1) &&
1112 (nvpair_value_uint16(nvp, &val) == 0) &&
1113 (val == val_arg))
1114 return (1);
1115 break;
1116 }
1117 case DATA_TYPE_UINT16_ARRAY: {
1118 uint16_t *val_array, val_arg;
1119
1120 /* check indexed value of array for match */
1121 sr = sscanf(value, "%"SCNi16, (int16_t *)&val_arg);
1122 if ((sr == 1) &&
1123 (nvpair_value_uint16_array(nvp, &val_array, &a_len) == 0) &&
1124 (ai < a_len) &&
1125 (val_array[ai] == val_arg))
1126 return (1);
1127 break;
1128 }
1129 case DATA_TYPE_INT32: {
1130 int32_t val, val_arg;
1131
1132 /* scanf int32_t from value and check for match */
1133 sr = sscanf(value, "%"SCNi32, &val_arg);
1134 if ((sr == 1) &&
1135 (nvpair_value_int32(nvp, &val) == 0) &&
1136 (val == val_arg))
1137 return (1);
1138 break;
1139 }
1140 case DATA_TYPE_INT32_ARRAY: {
1141 int32_t *val_array, val_arg;
1142
1143 /* check indexed value of array for match */
1144 sr = sscanf(value, "%"SCNi32, &val_arg);
1145 if ((sr == 1) &&
1146 (nvpair_value_int32_array(nvp, &val_array, &a_len) == 0) &&
1147 (ai < a_len) &&
1148 (val_array[ai] == val_arg))
1149 return (1);
1150 break;
1151 }
1152 case DATA_TYPE_UINT32: {
1153 uint32_t val, val_arg;
1154
1155 /* scanf uint32_t from value and check for match */
1156 sr = sscanf(value, "%"SCNi32, (int32_t *)&val_arg);
1157 if ((sr == 1) &&
1158 (nvpair_value_uint32(nvp, &val) == 0) &&
1159 (val == val_arg))
1160 return (1);
1161 break;
1162 }
1163 case DATA_TYPE_UINT32_ARRAY: {
1164 uint32_t *val_array, val_arg;
1165
1166 /* check indexed value of array for match */
1167 sr = sscanf(value, "%"SCNi32, (int32_t *)&val_arg);
1168 if ((sr == 1) &&
1169 (nvpair_value_uint32_array(nvp, &val_array, &a_len) == 0) &&
1170 (ai < a_len) &&
1171 (val_array[ai] == val_arg))
1172 return (1);
1173 break;
1174 }
1175 case DATA_TYPE_INT64: {
1176 int64_t val, val_arg;
1177
1178 /* scanf int64_t from value and check for match */
1179 sr = sscanf(value, "%"SCNi64, &val_arg);
1180 if ((sr == 1) &&
1181 (nvpair_value_int64(nvp, &val) == 0) &&
1182 (val == val_arg))
1183 return (1);
1184 break;
1185 }
1186 case DATA_TYPE_INT64_ARRAY: {
1187 int64_t *val_array, val_arg;
1188
1189 /* check indexed value of array for match */
1190 sr = sscanf(value, "%"SCNi64, &val_arg);
1191 if ((sr == 1) &&
1192 (nvpair_value_int64_array(nvp, &val_array, &a_len) == 0) &&
1193 (ai < a_len) &&
1194 (val_array[ai] == val_arg))
1195 return (1);
1196 break;
1197 }
1198 case DATA_TYPE_UINT64: {
1199 uint64_t val_arg, val;
1200
1201 /* scanf uint64_t from value and check for match */
1202 sr = sscanf(value, "%"SCNi64, (int64_t *)&val_arg);
1203 if ((sr == 1) &&
1204 (nvpair_value_uint64(nvp, &val) == 0) &&
1205 (val == val_arg))
1206 return (1);
1207 break;
1208 }
1209 case DATA_TYPE_UINT64_ARRAY: {
1210 uint64_t *val_array, val_arg;
1211
1212 /* check indexed value of array for match */
1213 sr = sscanf(value, "%"SCNi64, (int64_t *)&val_arg);
1214 if ((sr == 1) &&
1215 (nvpair_value_uint64_array(nvp, &val_array, &a_len) == 0) &&
1216 (ai < a_len) &&
1217 (val_array[ai] == val_arg))
1218 return (1);
1219 break;
1220 }
1221 case DATA_TYPE_BOOLEAN_VALUE: {
1222 int32_t val_arg;
1223 boolean_t val;
1224
1225 /* scanf boolean_t from value and check for match */
1226 sr = sscanf(value, "%"SCNi32, (int32_t *)&val_arg);
1227 if ((sr == 1) &&
1228 (nvpair_value_boolean_value(nvp, &val) == 0) &&
1229 (val == val_arg))
1230 return (1);
1231 break;
1232 }
1233 case DATA_TYPE_BOOLEAN_ARRAY: {
1234 boolean_t *val_array;
1235 int32_t val_arg;
1236
1237 /* check indexed value of array for match */
1238 sr = sscanf(value, "%"SCNi32, (int32_t *)&val_arg);
1239 if ((sr == 1) &&
1240 (nvpair_value_boolean_array(nvp,
1241 &val_array, &a_len) == 0) &&
1242 (ai < a_len) &&
1243 (val_array[ai] == val_arg))
1244 return (1);
1245 break;
1246 }
1247 case DATA_TYPE_HRTIME:
1248 case DATA_TYPE_NVLIST:
1249 case DATA_TYPE_NVLIST_ARRAY:
1250 case DATA_TYPE_BOOLEAN:
1251 case DATA_TYPE_DOUBLE:
1252 case DATA_TYPE_UNKNOWN:
1253 default:
1254 /*
1255 * unknown/unsupported data type
1256 */
1257 return (-1); /* error fail match */
1258 }
1259
1260 /*
1261 * check to see if sscanf failed conversion, return approximate
1262 * pointer to problem
1263 */
1264 if (sr != 1) {
1265 if (ep)
1266 *ep = value;
1267 return (-1); /* error fail match - syntax */
1268 }
1269
1270 return (0); /* fail match */
1271 }
1272
1273 int
1274 nvpair_value_match(nvpair_t *nvp, int ai, char *value, char **ep)
1275 {
1276 return (nvpair_value_match_regex(nvp, ai, value, NULL, ep));
1277 }
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