GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/x509v3/v3_crld.c Lines: 2 249 0.8 %
Date: 2017-11-07 Branches: 0 188 0.0 %

Line Branch Exec Source
1
/* $OpenBSD: v3_crld.c,v 1.22 2017/05/02 04:11:08 deraadt Exp $ */
2
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3
 * project 1999.
4
 */
5
/* ====================================================================
6
 * Copyright (c) 1999-2008 The OpenSSL Project.  All rights reserved.
7
 *
8
 * Redistribution and use in source and binary forms, with or without
9
 * modification, are permitted provided that the following conditions
10
 * are met:
11
 *
12
 * 1. Redistributions of source code must retain the above copyright
13
 *    notice, this list of conditions and the following disclaimer.
14
 *
15
 * 2. Redistributions in binary form must reproduce the above copyright
16
 *    notice, this list of conditions and the following disclaimer in
17
 *    the documentation and/or other materials provided with the
18
 *    distribution.
19
 *
20
 * 3. All advertising materials mentioning features or use of this
21
 *    software must display the following acknowledgment:
22
 *    "This product includes software developed by the OpenSSL Project
23
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24
 *
25
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26
 *    endorse or promote products derived from this software without
27
 *    prior written permission. For written permission, please contact
28
 *    licensing@OpenSSL.org.
29
 *
30
 * 5. Products derived from this software may not be called "OpenSSL"
31
 *    nor may "OpenSSL" appear in their names without prior written
32
 *    permission of the OpenSSL Project.
33
 *
34
 * 6. Redistributions of any form whatsoever must retain the following
35
 *    acknowledgment:
36
 *    "This product includes software developed by the OpenSSL Project
37
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38
 *
39
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50
 * OF THE POSSIBILITY OF SUCH DAMAGE.
51
 * ====================================================================
52
 *
53
 * This product includes cryptographic software written by Eric Young
54
 * (eay@cryptsoft.com).  This product includes software written by Tim
55
 * Hudson (tjh@cryptsoft.com).
56
 *
57
 */
58
59
#include <stdio.h>
60
#include <string.h>
61
62
#include <openssl/asn1.h>
63
#include <openssl/asn1t.h>
64
#include <openssl/conf.h>
65
#include <openssl/err.h>
66
#include <openssl/x509v3.h>
67
68
static void *v2i_crld(const X509V3_EXT_METHOD *method,
69
    X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
70
static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
71
    int indent);
72
73
const X509V3_EXT_METHOD v3_crld = {
74
	.ext_nid = NID_crl_distribution_points,
75
	.ext_flags = 0,
76
	.it = &CRL_DIST_POINTS_it,
77
	.ext_new = NULL,
78
	.ext_free = NULL,
79
	.d2i = NULL,
80
	.i2d = NULL,
81
	.i2s = NULL,
82
	.s2i = NULL,
83
	.i2v = NULL,
84
	.v2i = v2i_crld,
85
	.i2r = i2r_crldp,
86
	.r2i = NULL,
87
	.usr_data = NULL,
88
};
89
90
const X509V3_EXT_METHOD v3_freshest_crl = {
91
	.ext_nid = NID_freshest_crl,
92
	.ext_flags = 0,
93
	.it = &CRL_DIST_POINTS_it,
94
	.ext_new = NULL,
95
	.ext_free = NULL,
96
	.d2i = NULL,
97
	.i2d = NULL,
98
	.i2s = NULL,
99
	.s2i = NULL,
100
	.i2v = NULL,
101
	.v2i = v2i_crld,
102
	.i2r = i2r_crldp,
103
	.r2i = NULL,
104
	.usr_data = NULL,
105
};
106
107
static
108
STACK_OF(GENERAL_NAME) *gnames_from_sectname(X509V3_CTX *ctx, char *sect)
109
{
110
	STACK_OF(CONF_VALUE) *gnsect;
111
	STACK_OF(GENERAL_NAME) *gens;
112
113
	if (*sect == '@')
114
		gnsect = X509V3_get_section(ctx, sect + 1);
115
	else
116
		gnsect = X509V3_parse_list(sect);
117
	if (!gnsect) {
118
		X509V3error(X509V3_R_SECTION_NOT_FOUND);
119
		return NULL;
120
	}
121
	gens = v2i_GENERAL_NAMES(NULL, ctx, gnsect);
122
	if (*sect == '@')
123
		X509V3_section_free(ctx, gnsect);
124
	else
125
		sk_CONF_VALUE_pop_free(gnsect, X509V3_conf_free);
126
	return gens;
127
}
128
129
static int
130
set_dist_point_name(DIST_POINT_NAME **pdp, X509V3_CTX *ctx, CONF_VALUE *cnf)
131
{
132
	STACK_OF(GENERAL_NAME) *fnm = NULL;
133
	STACK_OF(X509_NAME_ENTRY) *rnm = NULL;
134
135
	if (!strncmp(cnf->name, "fullname", 9)) {
136
		fnm = gnames_from_sectname(ctx, cnf->value);
137
		if (!fnm)
138
			goto err;
139
	} else if (!strcmp(cnf->name, "relativename")) {
140
		int ret;
141
		STACK_OF(CONF_VALUE) *dnsect;
142
		X509_NAME *nm;
143
		nm = X509_NAME_new();
144
		if (!nm)
145
			return -1;
146
		dnsect = X509V3_get_section(ctx, cnf->value);
147
		if (!dnsect) {
148
			X509V3error(X509V3_R_SECTION_NOT_FOUND);
149
			X509_NAME_free(nm);
150
			return -1;
151
		}
152
		ret = X509V3_NAME_from_section(nm, dnsect, MBSTRING_ASC);
153
		X509V3_section_free(ctx, dnsect);
154
		rnm = nm->entries;
155
		nm->entries = NULL;
156
		X509_NAME_free(nm);
157
		if (!ret || sk_X509_NAME_ENTRY_num(rnm) <= 0)
158
			goto err;
159
		/* Since its a name fragment can't have more than one
160
		 * RDNSequence
161
		 */
162
		if (sk_X509_NAME_ENTRY_value(rnm,
163
		    sk_X509_NAME_ENTRY_num(rnm) - 1)->set) {
164
			X509V3error(X509V3_R_INVALID_MULTIPLE_RDNS);
165
			goto err;
166
		}
167
	} else
168
		return 0;
169
170
	if (*pdp) {
171
		X509V3error(X509V3_R_DISTPOINT_ALREADY_SET);
172
		goto err;
173
	}
174
175
	*pdp = DIST_POINT_NAME_new();
176
	if (!*pdp)
177
		goto err;
178
	if (fnm) {
179
		(*pdp)->type = 0;
180
		(*pdp)->name.fullname = fnm;
181
	} else {
182
		(*pdp)->type = 1;
183
		(*pdp)->name.relativename = rnm;
184
	}
185
186
	return 1;
187
188
err:
189
	sk_GENERAL_NAME_pop_free(fnm, GENERAL_NAME_free);
190
	sk_X509_NAME_ENTRY_pop_free(rnm, X509_NAME_ENTRY_free);
191
	return -1;
192
}
193
194
static const BIT_STRING_BITNAME reason_flags[] = {
195
	{0, "Unused", "unused"},
196
	{1, "Key Compromise", "keyCompromise"},
197
	{2, "CA Compromise", "CACompromise"},
198
	{3, "Affiliation Changed", "affiliationChanged"},
199
	{4, "Superseded", "superseded"},
200
	{5, "Cessation Of Operation", "cessationOfOperation"},
201
	{6, "Certificate Hold", "certificateHold"},
202
	{7, "Privilege Withdrawn", "privilegeWithdrawn"},
203
	{8, "AA Compromise", "AACompromise"},
204
	{-1, NULL, NULL}
205
};
206
207
static int
208
set_reasons(ASN1_BIT_STRING **preas, char *value)
209
{
210
	STACK_OF(CONF_VALUE) *rsk = NULL;
211
	const BIT_STRING_BITNAME *pbn;
212
	const char *bnam;
213
	int i, ret = 0;
214
215
	if (*preas != NULL)
216
		return 0;
217
	rsk = X509V3_parse_list(value);
218
	if (rsk == NULL)
219
		return 0;
220
	for (i = 0; i < sk_CONF_VALUE_num(rsk); i++) {
221
		bnam = sk_CONF_VALUE_value(rsk, i)->name;
222
		if (!*preas) {
223
			*preas = ASN1_BIT_STRING_new();
224
			if (!*preas)
225
				goto err;
226
		}
227
		for (pbn = reason_flags; pbn->lname; pbn++) {
228
			if (!strcmp(pbn->sname, bnam)) {
229
				if (!ASN1_BIT_STRING_set_bit(*preas,
230
				    pbn->bitnum, 1))
231
					goto err;
232
				break;
233
			}
234
		}
235
		if (!pbn->lname)
236
			goto err;
237
	}
238
	ret = 1;
239
240
err:
241
	sk_CONF_VALUE_pop_free(rsk, X509V3_conf_free);
242
	return ret;
243
}
244
245
static int
246
print_reasons(BIO *out, const char *rname, ASN1_BIT_STRING *rflags, int indent)
247
{
248
	int first = 1;
249
	const BIT_STRING_BITNAME *pbn;
250
251
	BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
252
	for (pbn = reason_flags; pbn->lname; pbn++) {
253
		if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum)) {
254
			if (first)
255
				first = 0;
256
			else
257
				BIO_puts(out, ", ");
258
			BIO_puts(out, pbn->lname);
259
		}
260
	}
261
	if (first)
262
		BIO_puts(out, "<EMPTY>\n");
263
	else
264
		BIO_puts(out, "\n");
265
	return 1;
266
}
267
268
static DIST_POINT *
269
crldp_from_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
270
{
271
	int i;
272
	CONF_VALUE *cnf;
273
	DIST_POINT *point = NULL;
274
275
	point = DIST_POINT_new();
276
	if (!point)
277
		goto err;
278
	for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
279
		int ret;
280
		cnf = sk_CONF_VALUE_value(nval, i);
281
		ret = set_dist_point_name(&point->distpoint, ctx, cnf);
282
		if (ret > 0)
283
			continue;
284
		if (ret < 0)
285
			goto err;
286
		if (!strcmp(cnf->name, "reasons")) {
287
			if (!set_reasons(&point->reasons, cnf->value))
288
				goto err;
289
		}
290
		else if (!strcmp(cnf->name, "CRLissuer")) {
291
			point->CRLissuer =
292
			    gnames_from_sectname(ctx, cnf->value);
293
			if (!point->CRLissuer)
294
				goto err;
295
		}
296
	}
297
298
	return point;
299
300
err:
301
	DIST_POINT_free(point);
302
	return NULL;
303
}
304
305
static void *
306
v2i_crld(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
307
    STACK_OF(CONF_VALUE) *nval)
308
{
309
	STACK_OF(DIST_POINT) *crld = NULL;
310
	GENERAL_NAMES *gens = NULL;
311
	GENERAL_NAME *gen = NULL;
312
	CONF_VALUE *cnf;
313
	int i;
314
315
	if (!(crld = sk_DIST_POINT_new_null()))
316
		goto merr;
317
	for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
318
		DIST_POINT *point;
319
		cnf = sk_CONF_VALUE_value(nval, i);
320
		if (!cnf->value) {
321
			STACK_OF(CONF_VALUE) *dpsect;
322
			dpsect = X509V3_get_section(ctx, cnf->name);
323
			if (!dpsect)
324
				goto err;
325
			point = crldp_from_section(ctx, dpsect);
326
			X509V3_section_free(ctx, dpsect);
327
			if (!point)
328
				goto err;
329
			if (!sk_DIST_POINT_push(crld, point)) {
330
				DIST_POINT_free(point);
331
				goto merr;
332
			}
333
		} else {
334
			if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
335
				goto err;
336
			if (!(gens = GENERAL_NAMES_new()))
337
				goto merr;
338
			if (!sk_GENERAL_NAME_push(gens, gen))
339
				goto merr;
340
			gen = NULL;
341
			if (!(point = DIST_POINT_new()))
342
				goto merr;
343
			if (!sk_DIST_POINT_push(crld, point)) {
344
				DIST_POINT_free(point);
345
				goto merr;
346
			}
347
			if (!(point->distpoint = DIST_POINT_NAME_new()))
348
				goto merr;
349
			point->distpoint->name.fullname = gens;
350
			point->distpoint->type = 0;
351
			gens = NULL;
352
		}
353
	}
354
	return crld;
355
356
merr:
357
	X509V3error(ERR_R_MALLOC_FAILURE);
358
err:
359
	GENERAL_NAME_free(gen);
360
	GENERAL_NAMES_free(gens);
361
	sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
362
	return NULL;
363
}
364
365
static int
366
dpn_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
367
{
368
	DIST_POINT_NAME *dpn = (DIST_POINT_NAME *)*pval;
369
370
	switch (operation) {
371
	case ASN1_OP_NEW_POST:
372
		dpn->dpname = NULL;
373
		break;
374
375
	case ASN1_OP_FREE_POST:
376
		if (dpn->dpname)
377
			X509_NAME_free(dpn->dpname);
378
		break;
379
	}
380
	return 1;
381
}
382
383
384
static const ASN1_AUX DIST_POINT_NAME_aux = {
385
	.app_data = NULL,
386
	.flags = 0,
387
	.ref_offset = 0,
388
	.ref_lock = 0,
389
	.asn1_cb = dpn_cb,
390
	.enc_offset = 0,
391
};
392
static const ASN1_TEMPLATE DIST_POINT_NAME_ch_tt[] = {
393
	{
394
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF,
395
		.tag = 0,
396
		.offset = offsetof(DIST_POINT_NAME, name.fullname),
397
		.field_name = "name.fullname",
398
		.item = &GENERAL_NAME_it,
399
	},
400
	{
401
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SET_OF,
402
		.tag = 1,
403
		.offset = offsetof(DIST_POINT_NAME, name.relativename),
404
		.field_name = "name.relativename",
405
		.item = &X509_NAME_ENTRY_it,
406
	},
407
};
408
409
const ASN1_ITEM DIST_POINT_NAME_it = {
410
	.itype = ASN1_ITYPE_CHOICE,
411
	.utype = offsetof(DIST_POINT_NAME, type),
412
	.templates = DIST_POINT_NAME_ch_tt,
413
	.tcount = sizeof(DIST_POINT_NAME_ch_tt) / sizeof(ASN1_TEMPLATE),
414
	.funcs = &DIST_POINT_NAME_aux,
415
	.size = sizeof(DIST_POINT_NAME),
416
	.sname = "DIST_POINT_NAME",
417
};
418
419
420
421
DIST_POINT_NAME *
422
d2i_DIST_POINT_NAME(DIST_POINT_NAME **a, const unsigned char **in, long len)
423
{
424
	return (DIST_POINT_NAME *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
425
	    &DIST_POINT_NAME_it);
426
}
427
428
int
429
i2d_DIST_POINT_NAME(DIST_POINT_NAME *a, unsigned char **out)
430
{
431
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &DIST_POINT_NAME_it);
432
}
433
434
DIST_POINT_NAME *
435
DIST_POINT_NAME_new(void)
436
{
437
	return (DIST_POINT_NAME *)ASN1_item_new(&DIST_POINT_NAME_it);
438
}
439
440
void
441
DIST_POINT_NAME_free(DIST_POINT_NAME *a)
442
{
443
	ASN1_item_free((ASN1_VALUE *)a, &DIST_POINT_NAME_it);
444
}
445
446
static const ASN1_TEMPLATE DIST_POINT_seq_tt[] = {
447
	{
448
		.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
449
		.tag = 0,
450
		.offset = offsetof(DIST_POINT, distpoint),
451
		.field_name = "distpoint",
452
		.item = &DIST_POINT_NAME_it,
453
	},
454
	{
455
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
456
		.tag = 1,
457
		.offset = offsetof(DIST_POINT, reasons),
458
		.field_name = "reasons",
459
		.item = &ASN1_BIT_STRING_it,
460
	},
461
	{
462
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
463
		.tag = 2,
464
		.offset = offsetof(DIST_POINT, CRLissuer),
465
		.field_name = "CRLissuer",
466
		.item = &GENERAL_NAME_it,
467
	},
468
};
469
470
const ASN1_ITEM DIST_POINT_it = {
471
	.itype = ASN1_ITYPE_SEQUENCE,
472
	.utype = V_ASN1_SEQUENCE,
473
	.templates = DIST_POINT_seq_tt,
474
	.tcount = sizeof(DIST_POINT_seq_tt) / sizeof(ASN1_TEMPLATE),
475
	.funcs = NULL,
476
	.size = sizeof(DIST_POINT),
477
	.sname = "DIST_POINT",
478
};
479
480
481
DIST_POINT *
482
d2i_DIST_POINT(DIST_POINT **a, const unsigned char **in, long len)
483
{
484
	return (DIST_POINT *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
485
	    &DIST_POINT_it);
486
}
487
488
int
489
i2d_DIST_POINT(DIST_POINT *a, unsigned char **out)
490
{
491
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &DIST_POINT_it);
492
}
493
494
DIST_POINT *
495
DIST_POINT_new(void)
496
{
497
	return (DIST_POINT *)ASN1_item_new(&DIST_POINT_it);
498
}
499
500
void
501
DIST_POINT_free(DIST_POINT *a)
502
{
503
	ASN1_item_free((ASN1_VALUE *)a, &DIST_POINT_it);
504
}
505
506
static const ASN1_TEMPLATE CRL_DIST_POINTS_item_tt = {
507
	.flags = ASN1_TFLG_SEQUENCE_OF,
508
	.tag = 0,
509
	.offset = 0,
510
	.field_name = "CRLDistributionPoints",
511
	.item = &DIST_POINT_it,
512
};
513
514
const ASN1_ITEM CRL_DIST_POINTS_it = {
515
	.itype = ASN1_ITYPE_PRIMITIVE,
516
	.utype = -1,
517
	.templates = &CRL_DIST_POINTS_item_tt,
518
	.tcount = 0,
519
	.funcs = NULL,
520
	.size = 0,
521
	.sname = "CRL_DIST_POINTS",
522
};
523
524
525
CRL_DIST_POINTS *
526
d2i_CRL_DIST_POINTS(CRL_DIST_POINTS **a, const unsigned char **in, long len)
527
{
528
	return (CRL_DIST_POINTS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
529
	    &CRL_DIST_POINTS_it);
530
}
531
532
int
533
i2d_CRL_DIST_POINTS(CRL_DIST_POINTS *a, unsigned char **out)
534
{
535
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &CRL_DIST_POINTS_it);
536
}
537
538
CRL_DIST_POINTS *
539
CRL_DIST_POINTS_new(void)
540
{
541
	return (CRL_DIST_POINTS *)ASN1_item_new(&CRL_DIST_POINTS_it);
542
}
543
544
void
545
CRL_DIST_POINTS_free(CRL_DIST_POINTS *a)
546
{
547
31072
	ASN1_item_free((ASN1_VALUE *)a, &CRL_DIST_POINTS_it);
548
15536
}
549
550
static const ASN1_TEMPLATE ISSUING_DIST_POINT_seq_tt[] = {
551
	{
552
		.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
553
		.tag = 0,
554
		.offset = offsetof(ISSUING_DIST_POINT, distpoint),
555
		.field_name = "distpoint",
556
		.item = &DIST_POINT_NAME_it,
557
	},
558
	{
559
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
560
		.tag = 1,
561
		.offset = offsetof(ISSUING_DIST_POINT, onlyuser),
562
		.field_name = "onlyuser",
563
		.item = &ASN1_FBOOLEAN_it,
564
	},
565
	{
566
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
567
		.tag = 2,
568
		.offset = offsetof(ISSUING_DIST_POINT, onlyCA),
569
		.field_name = "onlyCA",
570
		.item = &ASN1_FBOOLEAN_it,
571
	},
572
	{
573
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
574
		.tag = 3,
575
		.offset = offsetof(ISSUING_DIST_POINT, onlysomereasons),
576
		.field_name = "onlysomereasons",
577
		.item = &ASN1_BIT_STRING_it,
578
	},
579
	{
580
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
581
		.tag = 4,
582
		.offset = offsetof(ISSUING_DIST_POINT, indirectCRL),
583
		.field_name = "indirectCRL",
584
		.item = &ASN1_FBOOLEAN_it,
585
	},
586
	{
587
		.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
588
		.tag = 5,
589
		.offset = offsetof(ISSUING_DIST_POINT, onlyattr),
590
		.field_name = "onlyattr",
591
		.item = &ASN1_FBOOLEAN_it,
592
	},
593
};
594
595
const ASN1_ITEM ISSUING_DIST_POINT_it = {
596
	.itype = ASN1_ITYPE_SEQUENCE,
597
	.utype = V_ASN1_SEQUENCE,
598
	.templates = ISSUING_DIST_POINT_seq_tt,
599
	.tcount = sizeof(ISSUING_DIST_POINT_seq_tt) / sizeof(ASN1_TEMPLATE),
600
	.funcs = NULL,
601
	.size = sizeof(ISSUING_DIST_POINT),
602
	.sname = "ISSUING_DIST_POINT",
603
};
604
605
606
ISSUING_DIST_POINT *
607
d2i_ISSUING_DIST_POINT(ISSUING_DIST_POINT **a, const unsigned char **in, long len)
608
{
609
	return (ISSUING_DIST_POINT *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
610
	    &ISSUING_DIST_POINT_it);
611
}
612
613
int
614
i2d_ISSUING_DIST_POINT(ISSUING_DIST_POINT *a, unsigned char **out)
615
{
616
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &ISSUING_DIST_POINT_it);
617
}
618
619
ISSUING_DIST_POINT *
620
ISSUING_DIST_POINT_new(void)
621
{
622
	return (ISSUING_DIST_POINT *)ASN1_item_new(&ISSUING_DIST_POINT_it);
623
}
624
625
void
626
ISSUING_DIST_POINT_free(ISSUING_DIST_POINT *a)
627
{
628
	ASN1_item_free((ASN1_VALUE *)a, &ISSUING_DIST_POINT_it);
629
}
630
631
static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
632
    int indent);
633
static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
634
    STACK_OF(CONF_VALUE) *nval);
635
636
const X509V3_EXT_METHOD v3_idp = {
637
	NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
638
	&ISSUING_DIST_POINT_it,
639
	0, 0, 0, 0,
640
	0, 0,
641
	0,
642
	v2i_idp,
643
	i2r_idp, 0,
644
	NULL
645
};
646
647
static void *
648
v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
649
    STACK_OF(CONF_VALUE) *nval)
650
{
651
	ISSUING_DIST_POINT *idp = NULL;
652
	CONF_VALUE *cnf;
653
	char *name, *val;
654
	int i, ret;
655
656
	idp = ISSUING_DIST_POINT_new();
657
	if (!idp)
658
		goto merr;
659
	for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
660
		cnf = sk_CONF_VALUE_value(nval, i);
661
		name = cnf->name;
662
		val = cnf->value;
663
		ret = set_dist_point_name(&idp->distpoint, ctx, cnf);
664
		if (ret > 0)
665
			continue;
666
		if (ret < 0)
667
			goto err;
668
		if (!strcmp(name, "onlyuser")) {
669
			if (!X509V3_get_value_bool(cnf, &idp->onlyuser))
670
				goto err;
671
		}
672
		else if (!strcmp(name, "onlyCA")) {
673
			if (!X509V3_get_value_bool(cnf, &idp->onlyCA))
674
				goto err;
675
		}
676
		else if (!strcmp(name, "onlyAA")) {
677
			if (!X509V3_get_value_bool(cnf, &idp->onlyattr))
678
				goto err;
679
		}
680
		else if (!strcmp(name, "indirectCRL")) {
681
			if (!X509V3_get_value_bool(cnf, &idp->indirectCRL))
682
				goto err;
683
		}
684
		else if (!strcmp(name, "onlysomereasons")) {
685
			if (!set_reasons(&idp->onlysomereasons, val))
686
				goto err;
687
		} else {
688
			X509V3error(X509V3_R_INVALID_NAME);
689
			X509V3_conf_err(cnf);
690
			goto err;
691
		}
692
	}
693
	return idp;
694
695
merr:
696
	X509V3error(ERR_R_MALLOC_FAILURE);
697
err:
698
	ISSUING_DIST_POINT_free(idp);
699
	return NULL;
700
}
701
702
static int
703
print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
704
{
705
	int i;
706
707
	for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
708
		BIO_printf(out, "%*s", indent + 2, "");
709
		GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
710
		BIO_puts(out, "\n");
711
	}
712
	return 1;
713
}
714
715
static int
716
print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
717
{
718
	if (dpn->type == 0) {
719
		BIO_printf(out, "%*sFull Name:\n", indent, "");
720
		print_gens(out, dpn->name.fullname, indent);
721
	} else {
722
		X509_NAME ntmp;
723
		ntmp.entries = dpn->name.relativename;
724
		BIO_printf(out, "%*sRelative Name:\n%*s",
725
		    indent, "", indent + 2, "");
726
		X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
727
		BIO_puts(out, "\n");
728
	}
729
	return 1;
730
}
731
732
static int
733
i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out, int indent)
734
{
735
	ISSUING_DIST_POINT *idp = pidp;
736
737
	if (idp->distpoint)
738
		print_distpoint(out, idp->distpoint, indent);
739
	if (idp->onlyuser > 0)
740
		BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
741
	if (idp->onlyCA > 0)
742
		BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
743
	if (idp->indirectCRL > 0)
744
		BIO_printf(out, "%*sIndirect CRL\n", indent, "");
745
	if (idp->onlysomereasons)
746
		print_reasons(out, "Only Some Reasons",
747
	    idp->onlysomereasons, indent);
748
	if (idp->onlyattr > 0)
749
		BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
750
	if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0) &&
751
	    (idp->indirectCRL <= 0) && !idp->onlysomereasons &&
752
	    (idp->onlyattr <= 0))
753
		BIO_printf(out, "%*s<EMPTY>\n", indent, "");
754
755
	return 1;
756
}
757
758
static int
759
i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out, int indent)
760
{
761
	STACK_OF(DIST_POINT) *crld = pcrldp;
762
	DIST_POINT *point;
763
	int i;
764
765
	for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
766
		BIO_puts(out, "\n");
767
		point = sk_DIST_POINT_value(crld, i);
768
		if (point->distpoint)
769
			print_distpoint(out, point->distpoint, indent);
770
		if (point->reasons)
771
			print_reasons(out, "Reasons", point->reasons,
772
		    indent);
773
		if (point->CRLissuer) {
774
			BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
775
			print_gens(out, point->CRLissuer, indent);
776
		}
777
	}
778
	return 1;
779
}
780
781
int
782
DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname)
783
{
784
	int i;
785
	STACK_OF(X509_NAME_ENTRY) *frag;
786
	X509_NAME_ENTRY *ne;
787
788
	if (!dpn || (dpn->type != 1))
789
		return 1;
790
	frag = dpn->name.relativename;
791
	dpn->dpname = X509_NAME_dup(iname);
792
	if (!dpn->dpname)
793
		return 0;
794
	for (i = 0; i < sk_X509_NAME_ENTRY_num(frag); i++) {
795
		ne = sk_X509_NAME_ENTRY_value(frag, i);
796
		if (!X509_NAME_add_entry(dpn->dpname, ne, -1, i ? 0 : 1)) {
797
			X509_NAME_free(dpn->dpname);
798
			dpn->dpname = NULL;
799
			return 0;
800
		}
801
	}
802
	/* generate cached encoding of name */
803
	if (i2d_X509_NAME(dpn->dpname, NULL) < 0) {
804
		X509_NAME_free(dpn->dpname);
805
		dpn->dpname = NULL;
806
		return 0;
807
	}
808
	return 1;
809
}