1 /*
2 * Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <stdio.h>
11
12 #include "internal/cryptlib.h"
13 #include <openssl/crypto.h>
14 #include <openssl/buffer.h>
15 #include <openssl/x509.h>
16 #include <openssl/x509v3.h>
17 #include "crypto/x509.h"
18
19 #include "x509_local.h"
20
21 /* X509_VERIFY_PARAM functions */
22
23 #define SET_HOST 0
24 #define ADD_HOST 1
25
str_copy(const char * s)26 static char *str_copy(const char *s)
27 {
28 return OPENSSL_strdup(s);
29 }
30
str_free(char * s)31 static void str_free(char *s)
32 {
33 OPENSSL_free(s);
34 }
35
int_x509_param_set_hosts(X509_VERIFY_PARAM * vpm,int mode,const char * name,size_t namelen)36 static int int_x509_param_set_hosts(X509_VERIFY_PARAM *vpm, int mode,
37 const char *name, size_t namelen)
38 {
39 char *copy;
40
41 /*
42 * Refuse names with embedded NUL bytes, except perhaps as final byte.
43 * XXX: Do we need to push an error onto the error stack?
44 */
45 if (namelen == 0 || name == NULL)
46 namelen = name ? strlen(name) : 0;
47 else if (name && memchr(name, '\0', namelen > 1 ? namelen - 1 : namelen))
48 return 0;
49 if (namelen > 0 && name[namelen - 1] == '\0')
50 --namelen;
51
52 if (mode == SET_HOST) {
53 sk_OPENSSL_STRING_pop_free(vpm->hosts, str_free);
54 vpm->hosts = NULL;
55 }
56 if (name == NULL || namelen == 0)
57 return 1;
58
59 copy = OPENSSL_strndup(name, namelen);
60 if (copy == NULL)
61 return 0;
62
63 if (vpm->hosts == NULL &&
64 (vpm->hosts = sk_OPENSSL_STRING_new_null()) == NULL) {
65 OPENSSL_free(copy);
66 return 0;
67 }
68
69 if (!sk_OPENSSL_STRING_push(vpm->hosts, copy)) {
70 OPENSSL_free(copy);
71 if (sk_OPENSSL_STRING_num(vpm->hosts) == 0) {
72 sk_OPENSSL_STRING_free(vpm->hosts);
73 vpm->hosts = NULL;
74 }
75 return 0;
76 }
77
78 return 1;
79 }
80
81
X509_VERIFY_PARAM_new(void)82 X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void)
83 {
84 X509_VERIFY_PARAM *param;
85
86 param = OPENSSL_zalloc(sizeof(*param));
87 if (param == NULL) {
88 ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
89 return NULL;
90 }
91 param->trust = X509_TRUST_DEFAULT;
92 /* param->inh_flags = X509_VP_FLAG_DEFAULT; */
93 param->depth = -1;
94 param->auth_level = -1; /* -1 means unset, 0 is explicit */
95 return param;
96 }
97
X509_VERIFY_PARAM_free(X509_VERIFY_PARAM * param)98 void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param)
99 {
100 if (param == NULL)
101 return;
102 sk_ASN1_OBJECT_pop_free(param->policies, ASN1_OBJECT_free);
103 sk_OPENSSL_STRING_pop_free(param->hosts, str_free);
104 OPENSSL_free(param->peername);
105 OPENSSL_free(param->email);
106 OPENSSL_free(param->ip);
107 OPENSSL_free(param);
108 }
109
110 /*-
111 * This function determines how parameters are "inherited" from one structure
112 * to another. There are several different ways this can happen.
113 *
114 * 1. If a child structure needs to have its values initialized from a parent
115 * they are simply copied across. For example SSL_CTX copied to SSL.
116 * 2. If the structure should take on values only if they are currently unset.
117 * For example the values in an SSL structure will take appropriate value
118 * for SSL servers or clients but only if the application has not set new
119 * ones.
120 *
121 * The "inh_flags" field determines how this function behaves.
122 *
123 * Normally any values which are set in the default are not copied from the
124 * destination and verify flags are ORed together.
125 *
126 * If X509_VP_FLAG_DEFAULT is set then anything set in the source is copied
127 * to the destination. Effectively the values in "to" become default values
128 * which will be used only if nothing new is set in "from".
129 *
130 * If X509_VP_FLAG_OVERWRITE is set then all value are copied across whether
131 * they are set or not. Flags is still Ored though.
132 *
133 * If X509_VP_FLAG_RESET_FLAGS is set then the flags value is copied instead
134 * of ORed.
135 *
136 * If X509_VP_FLAG_LOCKED is set then no values are copied.
137 *
138 * If X509_VP_FLAG_ONCE is set then the current inh_flags setting is zeroed
139 * after the next call.
140 */
141
142 /* Macro to test if a field should be copied from src to dest */
143
144 #define test_x509_verify_param_copy(field, def) \
145 (to_overwrite \
146 || ((src->field != def) && (to_default || (dest->field == def))))
147
148 /* Macro to test and copy a field if necessary */
149
150 #define x509_verify_param_copy(field, def) \
151 if (test_x509_verify_param_copy(field, def)) \
152 dest->field = src->field;
153
X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM * dest,const X509_VERIFY_PARAM * src)154 int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *dest,
155 const X509_VERIFY_PARAM *src)
156 {
157 unsigned long inh_flags;
158 int to_default, to_overwrite;
159 if (!src)
160 return 1;
161 inh_flags = dest->inh_flags | src->inh_flags;
162
163 if (inh_flags & X509_VP_FLAG_ONCE)
164 dest->inh_flags = 0;
165
166 if (inh_flags & X509_VP_FLAG_LOCKED)
167 return 1;
168
169 if (inh_flags & X509_VP_FLAG_DEFAULT)
170 to_default = 1;
171 else
172 to_default = 0;
173
174 if (inh_flags & X509_VP_FLAG_OVERWRITE)
175 to_overwrite = 1;
176 else
177 to_overwrite = 0;
178
179 x509_verify_param_copy(purpose, 0);
180 x509_verify_param_copy(trust, X509_TRUST_DEFAULT);
181 x509_verify_param_copy(depth, -1);
182 x509_verify_param_copy(auth_level, -1);
183
184 /* If overwrite or check time not set, copy across */
185
186 if (to_overwrite || !(dest->flags & X509_V_FLAG_USE_CHECK_TIME)) {
187 dest->check_time = src->check_time;
188 dest->flags &= ~X509_V_FLAG_USE_CHECK_TIME;
189 /* Don't need to copy flag: that is done below */
190 }
191
192 if (inh_flags & X509_VP_FLAG_RESET_FLAGS)
193 dest->flags = 0;
194
195 dest->flags |= src->flags;
196
197 if (test_x509_verify_param_copy(policies, NULL)) {
198 if (!X509_VERIFY_PARAM_set1_policies(dest, src->policies))
199 return 0;
200 }
201
202 x509_verify_param_copy(hostflags, 0);
203
204 if (test_x509_verify_param_copy(hosts, NULL)) {
205 sk_OPENSSL_STRING_pop_free(dest->hosts, str_free);
206 dest->hosts = NULL;
207 if (src->hosts) {
208 dest->hosts =
209 sk_OPENSSL_STRING_deep_copy(src->hosts, str_copy, str_free);
210 if (dest->hosts == NULL)
211 return 0;
212 }
213 }
214
215 if (test_x509_verify_param_copy(email, NULL)) {
216 if (!X509_VERIFY_PARAM_set1_email(dest, src->email, src->emaillen))
217 return 0;
218 }
219
220 if (test_x509_verify_param_copy(ip, NULL)) {
221 if (!X509_VERIFY_PARAM_set1_ip(dest, src->ip, src->iplen))
222 return 0;
223 }
224
225 return 1;
226 }
227
X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM * to,const X509_VERIFY_PARAM * from)228 int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
229 const X509_VERIFY_PARAM *from)
230 {
231 unsigned long save_flags = to->inh_flags;
232 int ret;
233 to->inh_flags |= X509_VP_FLAG_DEFAULT;
234 ret = X509_VERIFY_PARAM_inherit(to, from);
235 to->inh_flags = save_flags;
236 return ret;
237 }
238
int_x509_param_set1(char ** pdest,size_t * pdestlen,const char * src,size_t srclen)239 static int int_x509_param_set1(char **pdest, size_t *pdestlen,
240 const char *src, size_t srclen)
241 {
242 char *tmp;
243 if (src) {
244 if (srclen == 0)
245 srclen = strlen(src);
246
247 tmp = OPENSSL_malloc(srclen + 1);
248 if (tmp == NULL)
249 return 0;
250 memcpy(tmp, src, srclen);
251 tmp[srclen] = '\0'; /* enforce NUL termination */
252 } else {
253 tmp = NULL;
254 srclen = 0;
255 }
256 OPENSSL_free(*pdest);
257 *pdest = tmp;
258 if (pdestlen != NULL)
259 *pdestlen = srclen;
260 return 1;
261 }
262
X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM * param,const char * name)263 int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name)
264 {
265 OPENSSL_free(param->name);
266 param->name = OPENSSL_strdup(name);
267 if (param->name)
268 return 1;
269 return 0;
270 }
271
X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM * param,unsigned long flags)272 int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param, unsigned long flags)
273 {
274 param->flags |= flags;
275 if (flags & X509_V_FLAG_POLICY_MASK)
276 param->flags |= X509_V_FLAG_POLICY_CHECK;
277 return 1;
278 }
279
X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM * param,unsigned long flags)280 int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
281 unsigned long flags)
282 {
283 param->flags &= ~flags;
284 return 1;
285 }
286
X509_VERIFY_PARAM_get_flags(const X509_VERIFY_PARAM * param)287 unsigned long X509_VERIFY_PARAM_get_flags(const X509_VERIFY_PARAM *param)
288 {
289 return param->flags;
290 }
291
X509_VERIFY_PARAM_get_inh_flags(const X509_VERIFY_PARAM * param)292 uint32_t X509_VERIFY_PARAM_get_inh_flags(const X509_VERIFY_PARAM *param)
293 {
294 return param->inh_flags;
295 }
296
X509_VERIFY_PARAM_set_inh_flags(X509_VERIFY_PARAM * param,uint32_t flags)297 int X509_VERIFY_PARAM_set_inh_flags(X509_VERIFY_PARAM *param, uint32_t flags)
298 {
299 param->inh_flags = flags;
300 return 1;
301 }
302
X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM * param,int purpose)303 int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose)
304 {
305 return X509_PURPOSE_set(¶m->purpose, purpose);
306 }
307
X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM * param,int trust)308 int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust)
309 {
310 return X509_TRUST_set(¶m->trust, trust);
311 }
312
X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM * param,int depth)313 void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth)
314 {
315 param->depth = depth;
316 }
317
X509_VERIFY_PARAM_set_auth_level(X509_VERIFY_PARAM * param,int auth_level)318 void X509_VERIFY_PARAM_set_auth_level(X509_VERIFY_PARAM *param, int auth_level)
319 {
320 param->auth_level = auth_level;
321 }
322
X509_VERIFY_PARAM_get_time(const X509_VERIFY_PARAM * param)323 time_t X509_VERIFY_PARAM_get_time(const X509_VERIFY_PARAM *param)
324 {
325 return param->check_time;
326 }
327
X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM * param,time_t t)328 void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t)
329 {
330 param->check_time = t;
331 param->flags |= X509_V_FLAG_USE_CHECK_TIME;
332 }
333
X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM * param,ASN1_OBJECT * policy)334 int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
335 ASN1_OBJECT *policy)
336 {
337 if (param->policies == NULL) {
338 param->policies = sk_ASN1_OBJECT_new_null();
339 if (param->policies == NULL)
340 return 0;
341 }
342 if (!sk_ASN1_OBJECT_push(param->policies, policy))
343 return 0;
344 return 1;
345 }
346
X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM * param,STACK_OF (ASN1_OBJECT)* policies)347 int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
348 STACK_OF(ASN1_OBJECT) *policies)
349 {
350 int i;
351 ASN1_OBJECT *oid, *doid;
352
353 if (param == NULL)
354 return 0;
355 sk_ASN1_OBJECT_pop_free(param->policies, ASN1_OBJECT_free);
356
357 if (policies == NULL) {
358 param->policies = NULL;
359 return 1;
360 }
361
362 param->policies = sk_ASN1_OBJECT_new_null();
363 if (param->policies == NULL)
364 return 0;
365
366 for (i = 0; i < sk_ASN1_OBJECT_num(policies); i++) {
367 oid = sk_ASN1_OBJECT_value(policies, i);
368 doid = OBJ_dup(oid);
369 if (!doid)
370 return 0;
371 if (!sk_ASN1_OBJECT_push(param->policies, doid)) {
372 ASN1_OBJECT_free(doid);
373 return 0;
374 }
375 }
376 param->flags |= X509_V_FLAG_POLICY_CHECK;
377 return 1;
378 }
379
X509_VERIFY_PARAM_get0_host(X509_VERIFY_PARAM * param,int idx)380 char *X509_VERIFY_PARAM_get0_host(X509_VERIFY_PARAM *param, int idx)
381 {
382 return sk_OPENSSL_STRING_value(param->hosts, idx);
383 }
384
X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM * param,const char * name,size_t namelen)385 int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
386 const char *name, size_t namelen)
387 {
388 return int_x509_param_set_hosts(param, SET_HOST, name, namelen);
389 }
390
X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM * param,const char * name,size_t namelen)391 int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
392 const char *name, size_t namelen)
393 {
394 return int_x509_param_set_hosts(param, ADD_HOST, name, namelen);
395 }
396
X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM * param,unsigned int flags)397 void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
398 unsigned int flags)
399 {
400 param->hostflags = flags;
401 }
402
X509_VERIFY_PARAM_get_hostflags(const X509_VERIFY_PARAM * param)403 unsigned int X509_VERIFY_PARAM_get_hostflags(const X509_VERIFY_PARAM *param)
404 {
405 return param->hostflags;
406 }
407
X509_VERIFY_PARAM_get0_peername(const X509_VERIFY_PARAM * param)408 char *X509_VERIFY_PARAM_get0_peername(const X509_VERIFY_PARAM *param)
409 {
410 return param->peername;
411 }
412
413 /*
414 * Move peername from one param structure to another, freeing any name present
415 * at the target. If the source is a NULL parameter structure, free and zero
416 * the target peername.
417 */
X509_VERIFY_PARAM_move_peername(X509_VERIFY_PARAM * to,X509_VERIFY_PARAM * from)418 void X509_VERIFY_PARAM_move_peername(X509_VERIFY_PARAM *to,
419 X509_VERIFY_PARAM *from)
420 {
421 char *peername = (from != NULL) ? from->peername : NULL;
422
423 if (to->peername != peername) {
424 OPENSSL_free(to->peername);
425 to->peername = peername;
426 }
427 if (from)
428 from->peername = NULL;
429 }
430
X509_VERIFY_PARAM_get0_email(X509_VERIFY_PARAM * param)431 char *X509_VERIFY_PARAM_get0_email(X509_VERIFY_PARAM *param)
432 {
433 return param->email;
434 }
435
X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM * param,const char * email,size_t emaillen)436 int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
437 const char *email, size_t emaillen)
438 {
439 return int_x509_param_set1(¶m->email, ¶m->emaillen,
440 email, emaillen);
441 }
442
443 static unsigned char
int_X509_VERIFY_PARAM_get0_ip(X509_VERIFY_PARAM * param,size_t * plen)444 *int_X509_VERIFY_PARAM_get0_ip(X509_VERIFY_PARAM *param, size_t *plen)
445 {
446 if (param == NULL || param->ip == NULL)
447 return NULL;
448 if (plen != NULL)
449 *plen = param->iplen;
450 return param->ip;
451 }
452
X509_VERIFY_PARAM_get1_ip_asc(X509_VERIFY_PARAM * param)453 char *X509_VERIFY_PARAM_get1_ip_asc(X509_VERIFY_PARAM *param)
454 {
455 size_t iplen;
456 unsigned char *ip = int_X509_VERIFY_PARAM_get0_ip(param, &iplen);
457
458 return ip == NULL ? NULL : ossl_ipaddr_to_asc(ip, iplen);
459 }
460
X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM * param,const unsigned char * ip,size_t iplen)461 int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
462 const unsigned char *ip, size_t iplen)
463 {
464 if (iplen != 0 && iplen != 4 && iplen != 16)
465 return 0;
466 return int_x509_param_set1((char **)¶m->ip, ¶m->iplen,
467 (char *)ip, iplen);
468 }
469
X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM * param,const char * ipasc)470 int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param, const char *ipasc)
471 {
472 unsigned char ipout[16];
473 size_t iplen;
474
475 iplen = (size_t)ossl_a2i_ipadd(ipout, ipasc);
476 if (iplen == 0)
477 return 0;
478 return X509_VERIFY_PARAM_set1_ip(param, ipout, iplen);
479 }
480
X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM * param)481 int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param)
482 {
483 return param->depth;
484 }
485
X509_VERIFY_PARAM_get_auth_level(const X509_VERIFY_PARAM * param)486 int X509_VERIFY_PARAM_get_auth_level(const X509_VERIFY_PARAM *param)
487 {
488 return param->auth_level;
489 }
490
X509_VERIFY_PARAM_get0_name(const X509_VERIFY_PARAM * param)491 const char *X509_VERIFY_PARAM_get0_name(const X509_VERIFY_PARAM *param)
492 {
493 return param->name;
494 }
495
496 #define vpm_empty_id NULL, 0U, NULL, NULL, 0, NULL, 0
497
498 /*
499 * Default verify parameters: these are used for various applications and can
500 * be overridden by the user specified table. NB: the 'name' field *must* be
501 * in alphabetical order because it will be searched using OBJ_search.
502 */
503
504 static const X509_VERIFY_PARAM default_table[] = {
505 {
506 "default", /* X509 default parameters */
507 0, /* check time to use */
508 0, /* inheritance flags */
509 X509_V_FLAG_TRUSTED_FIRST, /* flags */
510 0, /* purpose */
511 0, /* trust */
512 100, /* depth */
513 -1, /* auth_level */
514 NULL, /* policies */
515 vpm_empty_id},
516 {
517 "pkcs7", /* S/MIME sign parameters */
518 0, /* check time to use */
519 0, /* inheritance flags */
520 0, /* flags */
521 X509_PURPOSE_SMIME_SIGN, /* purpose */
522 X509_TRUST_EMAIL, /* trust */
523 -1, /* depth */
524 -1, /* auth_level */
525 NULL, /* policies */
526 vpm_empty_id},
527 {
528 "smime_sign", /* S/MIME sign parameters */
529 0, /* check time to use */
530 0, /* inheritance flags */
531 0, /* flags */
532 X509_PURPOSE_SMIME_SIGN, /* purpose */
533 X509_TRUST_EMAIL, /* trust */
534 -1, /* depth */
535 -1, /* auth_level */
536 NULL, /* policies */
537 vpm_empty_id},
538 {
539 "ssl_client", /* SSL/TLS client parameters */
540 0, /* check time to use */
541 0, /* inheritance flags */
542 0, /* flags */
543 X509_PURPOSE_SSL_CLIENT, /* purpose */
544 X509_TRUST_SSL_CLIENT, /* trust */
545 -1, /* depth */
546 -1, /* auth_level */
547 NULL, /* policies */
548 vpm_empty_id},
549 {
550 "ssl_server", /* SSL/TLS server parameters */
551 0, /* check time to use */
552 0, /* inheritance flags */
553 0, /* flags */
554 X509_PURPOSE_SSL_SERVER, /* purpose */
555 X509_TRUST_SSL_SERVER, /* trust */
556 -1, /* depth */
557 -1, /* auth_level */
558 NULL, /* policies */
559 vpm_empty_id}
560 };
561
562 static STACK_OF(X509_VERIFY_PARAM) *param_table = NULL;
563
table_cmp(const X509_VERIFY_PARAM * a,const X509_VERIFY_PARAM * b)564 static int table_cmp(const X509_VERIFY_PARAM *a, const X509_VERIFY_PARAM *b)
565 {
566 return strcmp(a->name, b->name);
567 }
568
569 DECLARE_OBJ_BSEARCH_CMP_FN(X509_VERIFY_PARAM, X509_VERIFY_PARAM, table);
570 IMPLEMENT_OBJ_BSEARCH_CMP_FN(X509_VERIFY_PARAM, X509_VERIFY_PARAM, table);
571
param_cmp(const X509_VERIFY_PARAM * const * a,const X509_VERIFY_PARAM * const * b)572 static int param_cmp(const X509_VERIFY_PARAM *const *a,
573 const X509_VERIFY_PARAM *const *b)
574 {
575 return strcmp((*a)->name, (*b)->name);
576 }
577
X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM * param)578 int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param)
579 {
580 int idx;
581 X509_VERIFY_PARAM *ptmp;
582 if (param_table == NULL) {
583 param_table = sk_X509_VERIFY_PARAM_new(param_cmp);
584 if (param_table == NULL)
585 return 0;
586 } else {
587 idx = sk_X509_VERIFY_PARAM_find(param_table, param);
588 if (idx >= 0) {
589 ptmp = sk_X509_VERIFY_PARAM_delete(param_table, idx);
590 X509_VERIFY_PARAM_free(ptmp);
591 }
592 }
593 if (!sk_X509_VERIFY_PARAM_push(param_table, param))
594 return 0;
595 return 1;
596 }
597
X509_VERIFY_PARAM_get_count(void)598 int X509_VERIFY_PARAM_get_count(void)
599 {
600 int num = OSSL_NELEM(default_table);
601 if (param_table)
602 num += sk_X509_VERIFY_PARAM_num(param_table);
603 return num;
604 }
605
X509_VERIFY_PARAM_get0(int id)606 const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id)
607 {
608 int num = OSSL_NELEM(default_table);
609 if (id < num)
610 return default_table + id;
611 return sk_X509_VERIFY_PARAM_value(param_table, id - num);
612 }
613
X509_VERIFY_PARAM_lookup(const char * name)614 const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name)
615 {
616 int idx;
617 X509_VERIFY_PARAM pm;
618
619 pm.name = (char *)name;
620 if (param_table != NULL) {
621 idx = sk_X509_VERIFY_PARAM_find(param_table, &pm);
622 if (idx >= 0)
623 return sk_X509_VERIFY_PARAM_value(param_table, idx);
624 }
625 return OBJ_bsearch_table(&pm, default_table, OSSL_NELEM(default_table));
626 }
627
X509_VERIFY_PARAM_table_cleanup(void)628 void X509_VERIFY_PARAM_table_cleanup(void)
629 {
630 sk_X509_VERIFY_PARAM_pop_free(param_table, X509_VERIFY_PARAM_free);
631 param_table = NULL;
632 }
633