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Import LibreSSL v2.4.2 to vendor branch
[dragonfly.git] / crypto / libressl / crypto / x509v3 / v3_crld.c
blob1da58186ae8685a11029a1ec5efd1ea9edbf0cf8
1 /* $OpenBSD: v3_crld.c,v 1.18 2015/07/25 16:14:29 jsing 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 = ASN1_ITEM_ref(CRL_DIST_POINTS),
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 = ASN1_ITEM_ref(CRL_DIST_POINTS),
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 X509V3err(X509V3_F_GNAMES_FROM_SECTNAME,
119 X509V3_R_SECTION_NOT_FOUND);
120 return NULL;
121 }
122 gens = v2i_GENERAL_NAMES(NULL, ctx, gnsect);
123 if (*sect == '@')
124 X509V3_section_free(ctx, gnsect);
125 else
126 sk_CONF_VALUE_pop_free(gnsect, X509V3_conf_free);
127 return gens;
128 }
129
130 static int
131 set_dist_point_name(DIST_POINT_NAME **pdp, X509V3_CTX *ctx, CONF_VALUE *cnf)
132 {
133 STACK_OF(GENERAL_NAME) *fnm = NULL;
134 STACK_OF(X509_NAME_ENTRY) *rnm = NULL;
135
136 if (!strncmp(cnf->name, "fullname", 9)) {
137 fnm = gnames_from_sectname(ctx, cnf->value);
138 if (!fnm)
139 goto err;
140 } else if (!strcmp(cnf->name, "relativename")) {
141 int ret;
142 STACK_OF(CONF_VALUE) *dnsect;
143 X509_NAME *nm;
144 nm = X509_NAME_new();
145 if (!nm)
146 return -1;
147 dnsect = X509V3_get_section(ctx, cnf->value);
148 if (!dnsect) {
149 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
150 X509V3_R_SECTION_NOT_FOUND);
151 X509_NAME_free(nm);
152 return -1;
153 }
154 ret = X509V3_NAME_from_section(nm, dnsect, MBSTRING_ASC);
155 X509V3_section_free(ctx, dnsect);
156 rnm = nm->entries;
157 nm->entries = NULL;
158 X509_NAME_free(nm);
159 if (!ret || sk_X509_NAME_ENTRY_num(rnm) <= 0)
160 goto err;
161 /* Since its a name fragment can't have more than one
162 * RDNSequence
163 */
164 if (sk_X509_NAME_ENTRY_value(rnm,
165 sk_X509_NAME_ENTRY_num(rnm) - 1)->set) {
166 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
167 X509V3_R_INVALID_MULTIPLE_RDNS);
168 goto err;
169 }
170 } else
171 return 0;
172
173 if (*pdp) {
174 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
175 X509V3_R_DISTPOINT_ALREADY_SET);
176 goto err;
177 }
178
179 *pdp = DIST_POINT_NAME_new();
180 if (!*pdp)
181 goto err;
182 if (fnm) {
183 (*pdp)->type = 0;
184 (*pdp)->name.fullname = fnm;
185 } else {
186 (*pdp)->type = 1;
187 (*pdp)->name.relativename = rnm;
188 }
189
190 return 1;
191
192 err:
193 if (fnm)
194 sk_GENERAL_NAME_pop_free(fnm, GENERAL_NAME_free);
195 if (rnm)
196 sk_X509_NAME_ENTRY_pop_free(rnm, X509_NAME_ENTRY_free);
197 return -1;
198 }
199
200 static const BIT_STRING_BITNAME reason_flags[] = {
201 {0, "Unused", "unused"},
202 {1, "Key Compromise", "keyCompromise"},
203 {2, "CA Compromise", "CACompromise"},
204 {3, "Affiliation Changed", "affiliationChanged"},
205 {4, "Superseded", "superseded"},
206 {5, "Cessation Of Operation", "cessationOfOperation"},
207 {6, "Certificate Hold", "certificateHold"},
208 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
209 {8, "AA Compromise", "AACompromise"},
210 {-1, NULL, NULL}
211 };
212
213 static int
214 set_reasons(ASN1_BIT_STRING **preas, char *value)
215 {
216 STACK_OF(CONF_VALUE) *rsk = NULL;
217 const BIT_STRING_BITNAME *pbn;
218 const char *bnam;
219 int i, ret = 0;
220
221 if (*preas != NULL)
222 return 0;
223 rsk = X509V3_parse_list(value);
224 if (rsk == NULL)
225 return 0;
226 for (i = 0; i < sk_CONF_VALUE_num(rsk); i++) {
227 bnam = sk_CONF_VALUE_value(rsk, i)->name;
228 if (!*preas) {
229 *preas = ASN1_BIT_STRING_new();
230 if (!*preas)
231 goto err;
232 }
233 for (pbn = reason_flags; pbn->lname; pbn++) {
234 if (!strcmp(pbn->sname, bnam)) {
235 if (!ASN1_BIT_STRING_set_bit(*preas,
236 pbn->bitnum, 1))
237 goto err;
238 break;
239 }
240 }
241 if (!pbn->lname)
242 goto err;
243 }
244 ret = 1;
245
246 err:
247 sk_CONF_VALUE_pop_free(rsk, X509V3_conf_free);
248 return ret;
249 }
250
251 static int
252 print_reasons(BIO *out, const char *rname, ASN1_BIT_STRING *rflags, int indent)
253 {
254 int first = 1;
255 const BIT_STRING_BITNAME *pbn;
256
257 BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
258 for (pbn = reason_flags; pbn->lname; pbn++) {
259 if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum)) {
260 if (first)
261 first = 0;
262 else
263 BIO_puts(out, ", ");
264 BIO_puts(out, pbn->lname);
265 }
266 }
267 if (first)
268 BIO_puts(out, "<EMPTY>\n");
269 else
270 BIO_puts(out, "\n");
271 return 1;
272 }
273
274 static DIST_POINT *
275 crldp_from_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
276 {
277 int i;
278 CONF_VALUE *cnf;
279 DIST_POINT *point = NULL;
280
281 point = DIST_POINT_new();
282 if (!point)
283 goto err;
284 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
285 int ret;
286 cnf = sk_CONF_VALUE_value(nval, i);
287 ret = set_dist_point_name(&point->distpoint, ctx, cnf);
288 if (ret > 0)
289 continue;
290 if (ret < 0)
291 goto err;
292 if (!strcmp(cnf->name, "reasons")) {
293 if (!set_reasons(&point->reasons, cnf->value))
294 goto err;
295 }
296 else if (!strcmp(cnf->name, "CRLissuer")) {
297 point->CRLissuer =
298 gnames_from_sectname(ctx, cnf->value);
299 if (!point->CRLissuer)
300 goto err;
301 }
302 }
303
304 return point;
305
306 err:
307 if (point)
308 DIST_POINT_free(point);
309 return NULL;
310 }
311
312 static void *
313 v2i_crld(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
314 STACK_OF(CONF_VALUE) *nval)
315 {
316 STACK_OF(DIST_POINT) *crld = NULL;
317 GENERAL_NAMES *gens = NULL;
318 GENERAL_NAME *gen = NULL;
319 CONF_VALUE *cnf;
320 int i;
321
322 if (!(crld = sk_DIST_POINT_new_null()))
323 goto merr;
324 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
325 DIST_POINT *point;
326 cnf = sk_CONF_VALUE_value(nval, i);
327 if (!cnf->value) {
328 STACK_OF(CONF_VALUE) *dpsect;
329 dpsect = X509V3_get_section(ctx, cnf->name);
330 if (!dpsect)
331 goto err;
332 point = crldp_from_section(ctx, dpsect);
333 X509V3_section_free(ctx, dpsect);
334 if (!point)
335 goto err;
336 if (!sk_DIST_POINT_push(crld, point)) {
337 DIST_POINT_free(point);
338 goto merr;
339 }
340 } else {
341 if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
342 goto err;
343 if (!(gens = GENERAL_NAMES_new()))
344 goto merr;
345 if (!sk_GENERAL_NAME_push(gens, gen))
346 goto merr;
347 gen = NULL;
348 if (!(point = DIST_POINT_new()))
349 goto merr;
350 if (!sk_DIST_POINT_push(crld, point)) {
351 DIST_POINT_free(point);
352 goto merr;
353 }
354 if (!(point->distpoint = DIST_POINT_NAME_new()))
355 goto merr;
356 point->distpoint->name.fullname = gens;
357 point->distpoint->type = 0;
358 gens = NULL;
359 }
360 }
361 return crld;
362
363 merr:
364 X509V3err(X509V3_F_V2I_CRLD, ERR_R_MALLOC_FAILURE);
365 err:
366 GENERAL_NAME_free(gen);
367 GENERAL_NAMES_free(gens);
368 sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
369 return NULL;
370 }
371
372 static int
373 dpn_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
374 {
375 DIST_POINT_NAME *dpn = (DIST_POINT_NAME *)*pval;
376
377 switch (operation) {
378 case ASN1_OP_NEW_POST:
379 dpn->dpname = NULL;
380 break;
381
382 case ASN1_OP_FREE_POST:
383 if (dpn->dpname)
384 X509_NAME_free(dpn->dpname);
385 break;
386 }
387 return 1;
388 }
389
390
391 static const ASN1_AUX DIST_POINT_NAME_aux = {
392 .app_data = NULL,
393 .flags = 0,
394 .ref_offset = 0,
395 .ref_lock = 0,
396 .asn1_cb = dpn_cb,
397 .enc_offset = 0,
398 };
399 static const ASN1_TEMPLATE DIST_POINT_NAME_ch_tt[] = {
400 {
401 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF,
402 .tag = 0,
403 .offset = offsetof(DIST_POINT_NAME, name.fullname),
404 .field_name = "name.fullname",
405 .item = &GENERAL_NAME_it,
406 },
407 {
408 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SET_OF,
409 .tag = 1,
410 .offset = offsetof(DIST_POINT_NAME, name.relativename),
411 .field_name = "name.relativename",
412 .item = &X509_NAME_ENTRY_it,
413 },
414 };
415
416 const ASN1_ITEM DIST_POINT_NAME_it = {
417 .itype = ASN1_ITYPE_CHOICE,
418 .utype = offsetof(DIST_POINT_NAME, type),
419 .templates = DIST_POINT_NAME_ch_tt,
420 .tcount = sizeof(DIST_POINT_NAME_ch_tt) / sizeof(ASN1_TEMPLATE),
421 .funcs = &DIST_POINT_NAME_aux,
422 .size = sizeof(DIST_POINT_NAME),
423 .sname = "DIST_POINT_NAME",
424 };
425
426
427
428 DIST_POINT_NAME *
429 d2i_DIST_POINT_NAME(DIST_POINT_NAME **a, const unsigned char **in, long len)
430 {
431 return (DIST_POINT_NAME *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
432 &DIST_POINT_NAME_it);
433 }
434
435 int
436 i2d_DIST_POINT_NAME(DIST_POINT_NAME *a, unsigned char **out)
437 {
438 return ASN1_item_i2d((ASN1_VALUE *)a, out, &DIST_POINT_NAME_it);
439 }
440
441 DIST_POINT_NAME *
442 DIST_POINT_NAME_new(void)
443 {
444 return (DIST_POINT_NAME *)ASN1_item_new(&DIST_POINT_NAME_it);
445 }
446
447 void
448 DIST_POINT_NAME_free(DIST_POINT_NAME *a)
449 {
450 ASN1_item_free((ASN1_VALUE *)a, &DIST_POINT_NAME_it);
451 }
452
453 static const ASN1_TEMPLATE DIST_POINT_seq_tt[] = {
454 {
455 .flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
456 .tag = 0,
457 .offset = offsetof(DIST_POINT, distpoint),
458 .field_name = "distpoint",
459 .item = &DIST_POINT_NAME_it,
460 },
461 {
462 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
463 .tag = 1,
464 .offset = offsetof(DIST_POINT, reasons),
465 .field_name = "reasons",
466 .item = &ASN1_BIT_STRING_it,
467 },
468 {
469 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
470 .tag = 2,
471 .offset = offsetof(DIST_POINT, CRLissuer),
472 .field_name = "CRLissuer",
473 .item = &GENERAL_NAME_it,
474 },
475 };
476
477 const ASN1_ITEM DIST_POINT_it = {
478 .itype = ASN1_ITYPE_SEQUENCE,
479 .utype = V_ASN1_SEQUENCE,
480 .templates = DIST_POINT_seq_tt,
481 .tcount = sizeof(DIST_POINT_seq_tt) / sizeof(ASN1_TEMPLATE),
482 .funcs = NULL,
483 .size = sizeof(DIST_POINT),
484 .sname = "DIST_POINT",
485 };
486
487
488 DIST_POINT *
489 d2i_DIST_POINT(DIST_POINT **a, const unsigned char **in, long len)
490 {
491 return (DIST_POINT *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
492 &DIST_POINT_it);
493 }
494
495 int
496 i2d_DIST_POINT(DIST_POINT *a, unsigned char **out)
497 {
498 return ASN1_item_i2d((ASN1_VALUE *)a, out, &DIST_POINT_it);
499 }
500
501 DIST_POINT *
502 DIST_POINT_new(void)
503 {
504 return (DIST_POINT *)ASN1_item_new(&DIST_POINT_it);
505 }
506
507 void
508 DIST_POINT_free(DIST_POINT *a)
509 {
510 ASN1_item_free((ASN1_VALUE *)a, &DIST_POINT_it);
511 }
512
513 static const ASN1_TEMPLATE CRL_DIST_POINTS_item_tt = {
514 .flags = ASN1_TFLG_SEQUENCE_OF,
515 .tag = 0,
516 .offset = 0,
517 .field_name = "CRLDistributionPoints",
518 .item = &DIST_POINT_it,
519 };
520
521 const ASN1_ITEM CRL_DIST_POINTS_it = {
522 .itype = ASN1_ITYPE_PRIMITIVE,
523 .utype = -1,
524 .templates = &CRL_DIST_POINTS_item_tt,
525 .tcount = 0,
526 .funcs = NULL,
527 .size = 0,
528 .sname = "CRL_DIST_POINTS",
529 };
530
531
532 CRL_DIST_POINTS *
533 d2i_CRL_DIST_POINTS(CRL_DIST_POINTS **a, const unsigned char **in, long len)
534 {
535 return (CRL_DIST_POINTS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
536 &CRL_DIST_POINTS_it);
537 }
538
539 int
540 i2d_CRL_DIST_POINTS(CRL_DIST_POINTS *a, unsigned char **out)
541 {
542 return ASN1_item_i2d((ASN1_VALUE *)a, out, &CRL_DIST_POINTS_it);
543 }
544
545 CRL_DIST_POINTS *
546 CRL_DIST_POINTS_new(void)
547 {
548 return (CRL_DIST_POINTS *)ASN1_item_new(&CRL_DIST_POINTS_it);
549 }
550
551 void
552 CRL_DIST_POINTS_free(CRL_DIST_POINTS *a)
553 {
554 ASN1_item_free((ASN1_VALUE *)a, &CRL_DIST_POINTS_it);
555 }
556
557 static const ASN1_TEMPLATE ISSUING_DIST_POINT_seq_tt[] = {
558 {
559 .flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
560 .tag = 0,
561 .offset = offsetof(ISSUING_DIST_POINT, distpoint),
562 .field_name = "distpoint",
563 .item = &DIST_POINT_NAME_it,
564 },
565 {
566 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
567 .tag = 1,
568 .offset = offsetof(ISSUING_DIST_POINT, onlyuser),
569 .field_name = "onlyuser",
570 .item = &ASN1_FBOOLEAN_it,
571 },
572 {
573 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
574 .tag = 2,
575 .offset = offsetof(ISSUING_DIST_POINT, onlyCA),
576 .field_name = "onlyCA",
577 .item = &ASN1_FBOOLEAN_it,
578 },
579 {
580 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
581 .tag = 3,
582 .offset = offsetof(ISSUING_DIST_POINT, onlysomereasons),
583 .field_name = "onlysomereasons",
584 .item = &ASN1_BIT_STRING_it,
585 },
586 {
587 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
588 .tag = 4,
589 .offset = offsetof(ISSUING_DIST_POINT, indirectCRL),
590 .field_name = "indirectCRL",
591 .item = &ASN1_FBOOLEAN_it,
592 },
593 {
594 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
595 .tag = 5,
596 .offset = offsetof(ISSUING_DIST_POINT, onlyattr),
597 .field_name = "onlyattr",
598 .item = &ASN1_FBOOLEAN_it,
599 },
600 };
601
602 const ASN1_ITEM ISSUING_DIST_POINT_it = {
603 .itype = ASN1_ITYPE_SEQUENCE,
604 .utype = V_ASN1_SEQUENCE,
605 .templates = ISSUING_DIST_POINT_seq_tt,
606 .tcount = sizeof(ISSUING_DIST_POINT_seq_tt) / sizeof(ASN1_TEMPLATE),
607 .funcs = NULL,
608 .size = sizeof(ISSUING_DIST_POINT),
609 .sname = "ISSUING_DIST_POINT",
610 };
611
612
613 ISSUING_DIST_POINT *
614 d2i_ISSUING_DIST_POINT(ISSUING_DIST_POINT **a, const unsigned char **in, long len)
615 {
616 return (ISSUING_DIST_POINT *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
617 &ISSUING_DIST_POINT_it);
618 }
619
620 int
621 i2d_ISSUING_DIST_POINT(ISSUING_DIST_POINT *a, unsigned char **out)
622 {
623 return ASN1_item_i2d((ASN1_VALUE *)a, out, &ISSUING_DIST_POINT_it);
624 }
625
626 ISSUING_DIST_POINT *
627 ISSUING_DIST_POINT_new(void)
628 {
629 return (ISSUING_DIST_POINT *)ASN1_item_new(&ISSUING_DIST_POINT_it);
630 }
631
632 void
633 ISSUING_DIST_POINT_free(ISSUING_DIST_POINT *a)
634 {
635 ASN1_item_free((ASN1_VALUE *)a, &ISSUING_DIST_POINT_it);
636 }
637
638 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
639 int indent);
640 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
641 STACK_OF(CONF_VALUE) *nval);
642
643 const X509V3_EXT_METHOD v3_idp = {
644 NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
645 ASN1_ITEM_ref(ISSUING_DIST_POINT),
646 0, 0, 0, 0,
647 0, 0,
648 0,
649 v2i_idp,
650 i2r_idp, 0,
651 NULL
652 };
653
654 static void *
655 v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
656 STACK_OF(CONF_VALUE) *nval)
657 {
658 ISSUING_DIST_POINT *idp = NULL;
659 CONF_VALUE *cnf;
660 char *name, *val;
661 int i, ret;
662
663 idp = ISSUING_DIST_POINT_new();
664 if (!idp)
665 goto merr;
666 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
667 cnf = sk_CONF_VALUE_value(nval, i);
668 name = cnf->name;
669 val = cnf->value;
670 ret = set_dist_point_name(&idp->distpoint, ctx, cnf);
671 if (ret > 0)
672 continue;
673 if (ret < 0)
674 goto err;
675 if (!strcmp(name, "onlyuser")) {
676 if (!X509V3_get_value_bool(cnf, &idp->onlyuser))
677 goto err;
678 }
679 else if (!strcmp(name, "onlyCA")) {
680 if (!X509V3_get_value_bool(cnf, &idp->onlyCA))
681 goto err;
682 }
683 else if (!strcmp(name, "onlyAA")) {
684 if (!X509V3_get_value_bool(cnf, &idp->onlyattr))
685 goto err;
686 }
687 else if (!strcmp(name, "indirectCRL")) {
688 if (!X509V3_get_value_bool(cnf, &idp->indirectCRL))
689 goto err;
690 }
691 else if (!strcmp(name, "onlysomereasons")) {
692 if (!set_reasons(&idp->onlysomereasons, val))
693 goto err;
694 } else {
695 X509V3err(X509V3_F_V2I_IDP, X509V3_R_INVALID_NAME);
696 X509V3_conf_err(cnf);
697 goto err;
698 }
699 }
700 return idp;
701
702 merr:
703 X509V3err(X509V3_F_V2I_IDP, ERR_R_MALLOC_FAILURE);
704 err:
705 ISSUING_DIST_POINT_free(idp);
706 return NULL;
707 }
708
709 static int
710 print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
711 {
712 int i;
713
714 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
715 BIO_printf(out, "%*s", indent + 2, "");
716 GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
717 BIO_puts(out, "\n");
718 }
719 return 1;
720 }
721
722 static int
723 print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
724 {
725 if (dpn->type == 0) {
726 BIO_printf(out, "%*sFull Name:\n", indent, "");
727 print_gens(out, dpn->name.fullname, indent);
728 } else {
729 X509_NAME ntmp;
730 ntmp.entries = dpn->name.relativename;
731 BIO_printf(out, "%*sRelative Name:\n%*s",
732 indent, "", indent + 2, "");
733 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
734 BIO_puts(out, "\n");
735 }
736 return 1;
737 }
738
739 static int
740 i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out, int indent)
741 {
742 ISSUING_DIST_POINT *idp = pidp;
743
744 if (idp->distpoint)
745 print_distpoint(out, idp->distpoint, indent);
746 if (idp->onlyuser > 0)
747 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
748 if (idp->onlyCA > 0)
749 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
750 if (idp->indirectCRL > 0)
751 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
752 if (idp->onlysomereasons)
753 print_reasons(out, "Only Some Reasons",
754 idp->onlysomereasons, indent);
755 if (idp->onlyattr > 0)
756 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
757 if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0) &&
758 (idp->indirectCRL <= 0) && !idp->onlysomereasons &&
759 (idp->onlyattr <= 0))
760 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
761
762 return 1;
763 }
764
765 static int
766 i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out, int indent)
767 {
768 STACK_OF(DIST_POINT) *crld = pcrldp;
769 DIST_POINT *point;
770 int i;
771
772 for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
773 BIO_puts(out, "\n");
774 point = sk_DIST_POINT_value(crld, i);
775 if (point->distpoint)
776 print_distpoint(out, point->distpoint, indent);
777 if (point->reasons)
778 print_reasons(out, "Reasons", point->reasons,
779 indent);
780 if (point->CRLissuer) {
781 BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
782 print_gens(out, point->CRLissuer, indent);
783 }
784 }
785 return 1;
786 }
787
788 int
789 DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname)
790 {
791 int i;
792 STACK_OF(X509_NAME_ENTRY) *frag;
793 X509_NAME_ENTRY *ne;
794
795 if (!dpn || (dpn->type != 1))
796 return 1;
797 frag = dpn->name.relativename;
798 dpn->dpname = X509_NAME_dup(iname);
799 if (!dpn->dpname)
800 return 0;
801 for (i = 0; i < sk_X509_NAME_ENTRY_num(frag); i++) {
802 ne = sk_X509_NAME_ENTRY_value(frag, i);
803 if (!X509_NAME_add_entry(dpn->dpname, ne, -1, i ? 0 : 1)) {
804 X509_NAME_free(dpn->dpname);
805 dpn->dpname = NULL;
806 return 0;
807 }
808 }
809 /* generate cached encoding of name */
810 if (i2d_X509_NAME(dpn->dpname, NULL) < 0) {
811 X509_NAME_free(dpn->dpname);
812 dpn->dpname = NULL;
813 return 0;
814 }
815 return 1;
816 }
DragonFly BSD