]>
Commit | Line | Data |
---|---|---|
0f113f3e | 1 | /* |
d2e9e320 | 2 | * Copyright 2003-2016 The OpenSSL Project Authors. All Rights Reserved. |
520b76ff | 3 | * |
d2e9e320 RS |
4 | * Licensed under the OpenSSL license (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 | |
520b76ff DSH |
8 | */ |
9 | ||
520b76ff | 10 | #include <stdio.h> |
b39fc560 | 11 | #include "internal/cryptlib.h" |
520b76ff DSH |
12 | #include <openssl/asn1t.h> |
13 | #include <openssl/conf.h> | |
14 | #include <openssl/x509v3.h> | |
15 | ||
2743e38c | 16 | #include "internal/x509_int.h" |
df2ee0e2 | 17 | #include "ext_dat.h" |
2743e38c | 18 | |
babb3798 | 19 | static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, |
0f113f3e MC |
20 | X509V3_CTX *ctx, |
21 | STACK_OF(CONF_VALUE) *nval); | |
22 | static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a, | |
23 | BIO *bp, int ind); | |
babb3798 | 24 | static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method, |
0f113f3e MC |
25 | STACK_OF(GENERAL_SUBTREE) *trees, BIO *bp, |
26 | int ind, char *name); | |
520b76ff DSH |
27 | static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip); |
28 | ||
e9746e03 DSH |
29 | static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc); |
30 | static int nc_match_single(GENERAL_NAME *sub, GENERAL_NAME *gen); | |
31 | static int nc_dn(X509_NAME *sub, X509_NAME *nm); | |
32 | static int nc_dns(ASN1_IA5STRING *sub, ASN1_IA5STRING *dns); | |
33 | static int nc_email(ASN1_IA5STRING *sub, ASN1_IA5STRING *eml); | |
34 | static int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base); | |
dd36fce0 | 35 | static int nc_ip(ASN1_OCTET_STRING *ip, ASN1_OCTET_STRING *base); |
e9746e03 | 36 | |
560b79cb | 37 | const X509V3_EXT_METHOD v3_name_constraints = { |
0f113f3e MC |
38 | NID_name_constraints, 0, |
39 | ASN1_ITEM_ref(NAME_CONSTRAINTS), | |
40 | 0, 0, 0, 0, | |
41 | 0, 0, | |
42 | 0, v2i_NAME_CONSTRAINTS, | |
43 | i2r_NAME_CONSTRAINTS, 0, | |
44 | NULL | |
520b76ff DSH |
45 | }; |
46 | ||
47 | ASN1_SEQUENCE(GENERAL_SUBTREE) = { | |
0f113f3e MC |
48 | ASN1_SIMPLE(GENERAL_SUBTREE, base, GENERAL_NAME), |
49 | ASN1_IMP_OPT(GENERAL_SUBTREE, minimum, ASN1_INTEGER, 0), | |
50 | ASN1_IMP_OPT(GENERAL_SUBTREE, maximum, ASN1_INTEGER, 1) | |
520b76ff DSH |
51 | } ASN1_SEQUENCE_END(GENERAL_SUBTREE) |
52 | ||
53 | ASN1_SEQUENCE(NAME_CONSTRAINTS) = { | |
0f113f3e MC |
54 | ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, permittedSubtrees, |
55 | GENERAL_SUBTREE, 0), | |
56 | ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, excludedSubtrees, | |
57 | GENERAL_SUBTREE, 1), | |
520b76ff | 58 | } ASN1_SEQUENCE_END(NAME_CONSTRAINTS) |
0f113f3e | 59 | |
520b76ff DSH |
60 | |
61 | IMPLEMENT_ASN1_ALLOC_FUNCTIONS(GENERAL_SUBTREE) | |
62 | IMPLEMENT_ASN1_ALLOC_FUNCTIONS(NAME_CONSTRAINTS) | |
63 | ||
babb3798 | 64 | static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, |
0f113f3e MC |
65 | X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) |
66 | { | |
67 | int i; | |
68 | CONF_VALUE tval, *val; | |
69 | STACK_OF(GENERAL_SUBTREE) **ptree = NULL; | |
70 | NAME_CONSTRAINTS *ncons = NULL; | |
71 | GENERAL_SUBTREE *sub = NULL; | |
86885c28 | 72 | |
0f113f3e | 73 | ncons = NAME_CONSTRAINTS_new(); |
90945fa3 | 74 | if (ncons == NULL) |
0f113f3e MC |
75 | goto memerr; |
76 | for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { | |
77 | val = sk_CONF_VALUE_value(nval, i); | |
86885c28 | 78 | if (strncmp(val->name, "permitted", 9) == 0 && val->name[9]) { |
0f113f3e MC |
79 | ptree = &ncons->permittedSubtrees; |
80 | tval.name = val->name + 10; | |
86885c28 | 81 | } else if (strncmp(val->name, "excluded", 8) == 0 && val->name[8]) { |
0f113f3e MC |
82 | ptree = &ncons->excludedSubtrees; |
83 | tval.name = val->name + 9; | |
84 | } else { | |
85 | X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, X509V3_R_INVALID_SYNTAX); | |
86 | goto err; | |
87 | } | |
88 | tval.value = val->value; | |
89 | sub = GENERAL_SUBTREE_new(); | |
90945fa3 MC |
90 | if (sub == NULL) |
91 | goto memerr; | |
0f113f3e MC |
92 | if (!v2i_GENERAL_NAME_ex(sub->base, method, ctx, &tval, 1)) |
93 | goto err; | |
90945fa3 | 94 | if (*ptree == NULL) |
0f113f3e | 95 | *ptree = sk_GENERAL_SUBTREE_new_null(); |
90945fa3 | 96 | if (*ptree == NULL || !sk_GENERAL_SUBTREE_push(*ptree, sub)) |
0f113f3e MC |
97 | goto memerr; |
98 | sub = NULL; | |
99 | } | |
100 | ||
101 | return ncons; | |
102 | ||
103 | memerr: | |
104 | X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, ERR_R_MALLOC_FAILURE); | |
105 | err: | |
895cba19 RS |
106 | NAME_CONSTRAINTS_free(ncons); |
107 | GENERAL_SUBTREE_free(sub); | |
0f113f3e MC |
108 | |
109 | return NULL; | |
110 | } | |
520b76ff | 111 | |
babb3798 | 112 | static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a, |
0f113f3e MC |
113 | BIO *bp, int ind) |
114 | { | |
115 | NAME_CONSTRAINTS *ncons = a; | |
116 | do_i2r_name_constraints(method, ncons->permittedSubtrees, | |
117 | bp, ind, "Permitted"); | |
118 | do_i2r_name_constraints(method, ncons->excludedSubtrees, | |
119 | bp, ind, "Excluded"); | |
120 | return 1; | |
121 | } | |
520b76ff | 122 | |
babb3798 | 123 | static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method, |
0f113f3e MC |
124 | STACK_OF(GENERAL_SUBTREE) *trees, |
125 | BIO *bp, int ind, char *name) | |
126 | { | |
127 | GENERAL_SUBTREE *tree; | |
128 | int i; | |
129 | if (sk_GENERAL_SUBTREE_num(trees) > 0) | |
130 | BIO_printf(bp, "%*s%s:\n", ind, "", name); | |
131 | for (i = 0; i < sk_GENERAL_SUBTREE_num(trees); i++) { | |
132 | tree = sk_GENERAL_SUBTREE_value(trees, i); | |
133 | BIO_printf(bp, "%*s", ind + 2, ""); | |
134 | if (tree->base->type == GEN_IPADD) | |
135 | print_nc_ipadd(bp, tree->base->d.ip); | |
136 | else | |
137 | GENERAL_NAME_print(bp, tree->base); | |
138 | BIO_puts(bp, "\n"); | |
139 | } | |
140 | return 1; | |
141 | } | |
520b76ff DSH |
142 | |
143 | static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip) | |
0f113f3e MC |
144 | { |
145 | int i, len; | |
146 | unsigned char *p; | |
147 | p = ip->data; | |
148 | len = ip->length; | |
149 | BIO_puts(bp, "IP:"); | |
150 | if (len == 8) { | |
151 | BIO_printf(bp, "%d.%d.%d.%d/%d.%d.%d.%d", | |
152 | p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); | |
153 | } else if (len == 32) { | |
154 | for (i = 0; i < 16; i++) { | |
155 | BIO_printf(bp, "%X", p[0] << 8 | p[1]); | |
156 | p += 2; | |
157 | if (i == 7) | |
158 | BIO_puts(bp, "/"); | |
159 | else if (i != 15) | |
160 | BIO_puts(bp, ":"); | |
161 | } | |
162 | } else | |
163 | BIO_printf(bp, "IP Address:<invalid>"); | |
164 | return 1; | |
165 | } | |
520b76ff | 166 | |
1d97c843 TH |
167 | /*- |
168 | * Check a certificate conforms to a specified set of constraints. | |
e9746e03 DSH |
169 | * Return values: |
170 | * X509_V_OK: All constraints obeyed. | |
171 | * X509_V_ERR_PERMITTED_VIOLATION: Permitted subtree violation. | |
172 | * X509_V_ERR_EXCLUDED_VIOLATION: Excluded subtree violation. | |
173 | * X509_V_ERR_SUBTREE_MINMAX: Min or max values present and matching type. | |
174 | * X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE: Unsupported constraint type. | |
175 | * X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: bad unsupported constraint syntax. | |
176 | * X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: bad or unsupported syntax of name | |
e9746e03 DSH |
177 | */ |
178 | ||
179 | int NAME_CONSTRAINTS_check(X509 *x, NAME_CONSTRAINTS *nc) | |
0f113f3e MC |
180 | { |
181 | int r, i; | |
182 | X509_NAME *nm; | |
e9746e03 | 183 | |
0f113f3e | 184 | nm = X509_get_subject_name(x); |
e9746e03 | 185 | |
0f113f3e MC |
186 | if (X509_NAME_entry_count(nm) > 0) { |
187 | GENERAL_NAME gntmp; | |
188 | gntmp.type = GEN_DIRNAME; | |
189 | gntmp.d.directoryName = nm; | |
e9746e03 | 190 | |
0f113f3e | 191 | r = nc_match(&gntmp, nc); |
e9746e03 | 192 | |
0f113f3e MC |
193 | if (r != X509_V_OK) |
194 | return r; | |
e9746e03 | 195 | |
0f113f3e | 196 | gntmp.type = GEN_EMAIL; |
e9746e03 | 197 | |
0f113f3e | 198 | /* Process any email address attributes in subject name */ |
e9746e03 | 199 | |
0f113f3e MC |
200 | for (i = -1;;) { |
201 | X509_NAME_ENTRY *ne; | |
202 | i = X509_NAME_get_index_by_NID(nm, NID_pkcs9_emailAddress, i); | |
203 | if (i == -1) | |
204 | break; | |
205 | ne = X509_NAME_get_entry(nm, i); | |
206 | gntmp.d.rfc822Name = X509_NAME_ENTRY_get_data(ne); | |
207 | if (gntmp.d.rfc822Name->type != V_ASN1_IA5STRING) | |
208 | return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; | |
e9746e03 | 209 | |
0f113f3e | 210 | r = nc_match(&gntmp, nc); |
e9746e03 | 211 | |
0f113f3e MC |
212 | if (r != X509_V_OK) |
213 | return r; | |
214 | } | |
e9746e03 | 215 | |
0f113f3e | 216 | } |
e9746e03 | 217 | |
0f113f3e MC |
218 | for (i = 0; i < sk_GENERAL_NAME_num(x->altname); i++) { |
219 | GENERAL_NAME *gen = sk_GENERAL_NAME_value(x->altname, i); | |
220 | r = nc_match(gen, nc); | |
221 | if (r != X509_V_OK) | |
222 | return r; | |
223 | } | |
e9746e03 | 224 | |
0f113f3e | 225 | return X509_V_OK; |
e9746e03 | 226 | |
0f113f3e | 227 | } |
e9746e03 DSH |
228 | |
229 | static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc) | |
0f113f3e MC |
230 | { |
231 | GENERAL_SUBTREE *sub; | |
232 | int i, r, match = 0; | |
233 | ||
234 | /* | |
235 | * Permitted subtrees: if any subtrees exist of matching the type at | |
236 | * least one subtree must match. | |
237 | */ | |
238 | ||
239 | for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++) { | |
240 | sub = sk_GENERAL_SUBTREE_value(nc->permittedSubtrees, i); | |
241 | if (gen->type != sub->base->type) | |
242 | continue; | |
243 | if (sub->minimum || sub->maximum) | |
244 | return X509_V_ERR_SUBTREE_MINMAX; | |
245 | /* If we already have a match don't bother trying any more */ | |
246 | if (match == 2) | |
247 | continue; | |
248 | if (match == 0) | |
249 | match = 1; | |
250 | r = nc_match_single(gen, sub->base); | |
251 | if (r == X509_V_OK) | |
252 | match = 2; | |
253 | else if (r != X509_V_ERR_PERMITTED_VIOLATION) | |
254 | return r; | |
255 | } | |
256 | ||
257 | if (match == 1) | |
258 | return X509_V_ERR_PERMITTED_VIOLATION; | |
259 | ||
260 | /* Excluded subtrees: must not match any of these */ | |
261 | ||
262 | for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++) { | |
263 | sub = sk_GENERAL_SUBTREE_value(nc->excludedSubtrees, i); | |
264 | if (gen->type != sub->base->type) | |
265 | continue; | |
266 | if (sub->minimum || sub->maximum) | |
267 | return X509_V_ERR_SUBTREE_MINMAX; | |
268 | ||
269 | r = nc_match_single(gen, sub->base); | |
270 | if (r == X509_V_OK) | |
271 | return X509_V_ERR_EXCLUDED_VIOLATION; | |
272 | else if (r != X509_V_ERR_PERMITTED_VIOLATION) | |
273 | return r; | |
274 | ||
275 | } | |
276 | ||
277 | return X509_V_OK; | |
278 | ||
279 | } | |
e9746e03 DSH |
280 | |
281 | static int nc_match_single(GENERAL_NAME *gen, GENERAL_NAME *base) | |
0f113f3e MC |
282 | { |
283 | switch (base->type) { | |
284 | case GEN_DIRNAME: | |
285 | return nc_dn(gen->d.directoryName, base->d.directoryName); | |
e9746e03 | 286 | |
0f113f3e MC |
287 | case GEN_DNS: |
288 | return nc_dns(gen->d.dNSName, base->d.dNSName); | |
e9746e03 | 289 | |
0f113f3e MC |
290 | case GEN_EMAIL: |
291 | return nc_email(gen->d.rfc822Name, base->d.rfc822Name); | |
e9746e03 | 292 | |
0f113f3e MC |
293 | case GEN_URI: |
294 | return nc_uri(gen->d.uniformResourceIdentifier, | |
295 | base->d.uniformResourceIdentifier); | |
e9746e03 | 296 | |
0f113f3e MC |
297 | case GEN_IPADD: |
298 | return nc_ip(gen->d.iPAddress, base->d.iPAddress); | |
dd36fce0 | 299 | |
0f113f3e MC |
300 | default: |
301 | return X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE; | |
302 | } | |
e9746e03 | 303 | |
0f113f3e | 304 | } |
e9746e03 | 305 | |
0f113f3e MC |
306 | /* |
307 | * directoryName name constraint matching. The canonical encoding of | |
308 | * X509_NAME makes this comparison easy. It is matched if the subtree is a | |
309 | * subset of the name. | |
e9746e03 DSH |
310 | */ |
311 | ||
312 | static int nc_dn(X509_NAME *nm, X509_NAME *base) | |
0f113f3e MC |
313 | { |
314 | /* Ensure canonical encodings are up to date. */ | |
315 | if (nm->modified && i2d_X509_NAME(nm, NULL) < 0) | |
316 | return X509_V_ERR_OUT_OF_MEM; | |
317 | if (base->modified && i2d_X509_NAME(base, NULL) < 0) | |
318 | return X509_V_ERR_OUT_OF_MEM; | |
319 | if (base->canon_enclen > nm->canon_enclen) | |
320 | return X509_V_ERR_PERMITTED_VIOLATION; | |
321 | if (memcmp(base->canon_enc, nm->canon_enc, base->canon_enclen)) | |
322 | return X509_V_ERR_PERMITTED_VIOLATION; | |
323 | return X509_V_OK; | |
324 | } | |
e9746e03 DSH |
325 | |
326 | static int nc_dns(ASN1_IA5STRING *dns, ASN1_IA5STRING *base) | |
0f113f3e MC |
327 | { |
328 | char *baseptr = (char *)base->data; | |
329 | char *dnsptr = (char *)dns->data; | |
330 | /* Empty matches everything */ | |
331 | if (!*baseptr) | |
332 | return X509_V_OK; | |
333 | /* | |
334 | * Otherwise can add zero or more components on the left so compare RHS | |
335 | * and if dns is longer and expect '.' as preceding character. | |
336 | */ | |
337 | if (dns->length > base->length) { | |
338 | dnsptr += dns->length - base->length; | |
339 | if (*baseptr != '.' && dnsptr[-1] != '.') | |
340 | return X509_V_ERR_PERMITTED_VIOLATION; | |
341 | } | |
342 | ||
343 | if (strcasecmp(baseptr, dnsptr)) | |
344 | return X509_V_ERR_PERMITTED_VIOLATION; | |
345 | ||
346 | return X509_V_OK; | |
347 | ||
348 | } | |
e9746e03 DSH |
349 | |
350 | static int nc_email(ASN1_IA5STRING *eml, ASN1_IA5STRING *base) | |
0f113f3e MC |
351 | { |
352 | const char *baseptr = (char *)base->data; | |
353 | const char *emlptr = (char *)eml->data; | |
354 | ||
355 | const char *baseat = strchr(baseptr, '@'); | |
356 | const char *emlat = strchr(emlptr, '@'); | |
357 | if (!emlat) | |
358 | return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; | |
0d4fb843 | 359 | /* Special case: initial '.' is RHS match */ |
0f113f3e MC |
360 | if (!baseat && (*baseptr == '.')) { |
361 | if (eml->length > base->length) { | |
362 | emlptr += eml->length - base->length; | |
86885c28 | 363 | if (strcasecmp(baseptr, emlptr) == 0) |
0f113f3e MC |
364 | return X509_V_OK; |
365 | } | |
366 | return X509_V_ERR_PERMITTED_VIOLATION; | |
367 | } | |
368 | ||
369 | /* If we have anything before '@' match local part */ | |
370 | ||
371 | if (baseat) { | |
372 | if (baseat != baseptr) { | |
373 | if ((baseat - baseptr) != (emlat - emlptr)) | |
374 | return X509_V_ERR_PERMITTED_VIOLATION; | |
375 | /* Case sensitive match of local part */ | |
376 | if (strncmp(baseptr, emlptr, emlat - emlptr)) | |
377 | return X509_V_ERR_PERMITTED_VIOLATION; | |
378 | } | |
379 | /* Position base after '@' */ | |
380 | baseptr = baseat + 1; | |
381 | } | |
382 | emlptr = emlat + 1; | |
383 | /* Just have hostname left to match: case insensitive */ | |
384 | if (strcasecmp(baseptr, emlptr)) | |
385 | return X509_V_ERR_PERMITTED_VIOLATION; | |
386 | ||
387 | return X509_V_OK; | |
388 | ||
389 | } | |
e9746e03 DSH |
390 | |
391 | static int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base) | |
0f113f3e MC |
392 | { |
393 | const char *baseptr = (char *)base->data; | |
394 | const char *hostptr = (char *)uri->data; | |
395 | const char *p = strchr(hostptr, ':'); | |
396 | int hostlen; | |
397 | /* Check for foo:// and skip past it */ | |
398 | if (!p || (p[1] != '/') || (p[2] != '/')) | |
399 | return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; | |
400 | hostptr = p + 3; | |
401 | ||
402 | /* Determine length of hostname part of URI */ | |
403 | ||
404 | /* Look for a port indicator as end of hostname first */ | |
405 | ||
406 | p = strchr(hostptr, ':'); | |
407 | /* Otherwise look for trailing slash */ | |
408 | if (!p) | |
409 | p = strchr(hostptr, '/'); | |
410 | ||
411 | if (!p) | |
412 | hostlen = strlen(hostptr); | |
413 | else | |
414 | hostlen = p - hostptr; | |
415 | ||
416 | if (hostlen == 0) | |
417 | return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; | |
418 | ||
0d4fb843 | 419 | /* Special case: initial '.' is RHS match */ |
0f113f3e MC |
420 | if (*baseptr == '.') { |
421 | if (hostlen > base->length) { | |
422 | p = hostptr + hostlen - base->length; | |
86885c28 | 423 | if (strncasecmp(p, baseptr, base->length) == 0) |
0f113f3e MC |
424 | return X509_V_OK; |
425 | } | |
426 | return X509_V_ERR_PERMITTED_VIOLATION; | |
427 | } | |
428 | ||
429 | if ((base->length != (int)hostlen) | |
430 | || strncasecmp(hostptr, baseptr, hostlen)) | |
431 | return X509_V_ERR_PERMITTED_VIOLATION; | |
432 | ||
433 | return X509_V_OK; | |
434 | ||
435 | } | |
dd36fce0 LADL |
436 | |
437 | static int nc_ip(ASN1_OCTET_STRING *ip, ASN1_OCTET_STRING *base) | |
0f113f3e MC |
438 | { |
439 | int hostlen, baselen, i; | |
440 | unsigned char *hostptr, *baseptr, *maskptr; | |
441 | hostptr = ip->data; | |
442 | hostlen = ip->length; | |
443 | baseptr = base->data; | |
444 | baselen = base->length; | |
445 | ||
446 | /* Invalid if not IPv4 or IPv6 */ | |
447 | if (!((hostlen == 4) || (hostlen == 16))) | |
448 | return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; | |
449 | if (!((baselen == 8) || (baselen == 32))) | |
450 | return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; | |
451 | ||
452 | /* Do not match IPv4 with IPv6 */ | |
453 | if (hostlen * 2 != baselen) | |
454 | return X509_V_ERR_PERMITTED_VIOLATION; | |
455 | ||
456 | maskptr = base->data + hostlen; | |
457 | ||
458 | /* Considering possible not aligned base ipAddress */ | |
459 | /* Not checking for wrong mask definition: i.e.: 255.0.255.0 */ | |
460 | for (i = 0; i < hostlen; i++) | |
461 | if ((hostptr[i] & maskptr[i]) != (baseptr[i] & maskptr[i])) | |
462 | return X509_V_ERR_PERMITTED_VIOLATION; | |
463 | ||
464 | return X509_V_OK; | |
465 | ||
466 | } |