1 /*
2 * Copyright 1999-2021 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 /* extension creation utilities */
11
12 #include <stdio.h>
13 #include "crypto/ctype.h"
14 #include "internal/cryptlib.h"
15 #include <openssl/conf.h>
16 #include <openssl/x509.h>
17 #include "crypto/x509.h"
18 #include <openssl/x509v3.h>
19
20 static int v3_check_critical(const char **value);
21 static int v3_check_generic(const char **value);
22 static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
23 int crit, const char *value);
24 static X509_EXTENSION *v3_generic_extension(const char *ext, const char *value,
25 int crit, int type,
26 X509V3_CTX *ctx);
27 static char *conf_lhash_get_string(void *db, const char *section, const char *value);
28 static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, const char *section);
29 static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method,
30 int ext_nid, int crit, void *ext_struc);
31 static unsigned char *generic_asn1(const char *value, X509V3_CTX *ctx,
32 long *ext_len);
33
X509V3_EXT_nconf_int(CONF * conf,X509V3_CTX * ctx,const char * section,const char * name,const char * value)34 static X509_EXTENSION *X509V3_EXT_nconf_int(CONF *conf, X509V3_CTX *ctx,
35 const char *section,
36 const char *name, const char *value)
37 {
38 int crit;
39 int ext_type;
40 X509_EXTENSION *ret;
41
42 crit = v3_check_critical(&value);
43 if ((ext_type = v3_check_generic(&value)))
44 return v3_generic_extension(name, value, crit, ext_type, ctx);
45 ret = do_ext_nconf(conf, ctx, OBJ_sn2nid(name), crit, value);
46 if (!ret) {
47 if (section != NULL)
48 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_ERROR_IN_EXTENSION,
49 "section=%s, name=%s, value=%s",
50 section, name, value);
51 else
52 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_ERROR_IN_EXTENSION,
53 "name=%s, value=%s", name, value);
54 }
55 return ret;
56 }
57
X509V3_EXT_nconf(CONF * conf,X509V3_CTX * ctx,const char * name,const char * value)58 X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, const char *name,
59 const char *value)
60 {
61 return X509V3_EXT_nconf_int(conf, ctx, NULL, name, value);
62 }
63
X509V3_EXT_nconf_nid(CONF * conf,X509V3_CTX * ctx,int ext_nid,const char * value)64 X509_EXTENSION *X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int ext_nid,
65 const char *value)
66 {
67 int crit;
68 int ext_type;
69
70 crit = v3_check_critical(&value);
71 if ((ext_type = v3_check_generic(&value)))
72 return v3_generic_extension(OBJ_nid2sn(ext_nid),
73 value, crit, ext_type, ctx);
74 return do_ext_nconf(conf, ctx, ext_nid, crit, value);
75 }
76
77 /* CONF *conf: Config file */
78 /* char *value: Value */
do_ext_nconf(CONF * conf,X509V3_CTX * ctx,int ext_nid,int crit,const char * value)79 static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
80 int crit, const char *value)
81 {
82 const X509V3_EXT_METHOD *method;
83 X509_EXTENSION *ext;
84 STACK_OF(CONF_VALUE) *nval;
85 void *ext_struc;
86
87 if (ext_nid == NID_undef) {
88 ERR_raise(ERR_LIB_X509V3, X509V3_R_UNKNOWN_EXTENSION_NAME);
89 return NULL;
90 }
91 if ((method = X509V3_EXT_get_nid(ext_nid)) == NULL) {
92 ERR_raise(ERR_LIB_X509V3, X509V3_R_UNKNOWN_EXTENSION);
93 return NULL;
94 }
95 /* Now get internal extension representation based on type */
96 if (method->v2i) {
97 if (*value == '@')
98 nval = NCONF_get_section(conf, value + 1);
99 else
100 nval = X509V3_parse_list(value);
101 if (nval == NULL || sk_CONF_VALUE_num(nval) <= 0) {
102 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_INVALID_EXTENSION_STRING,
103 "name=%s,section=%s", OBJ_nid2sn(ext_nid), value);
104 if (*value != '@')
105 sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
106 return NULL;
107 }
108 ext_struc = method->v2i(method, ctx, nval);
109 if (*value != '@')
110 sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
111 if (!ext_struc)
112 return NULL;
113 } else if (method->s2i) {
114 if ((ext_struc = method->s2i(method, ctx, value)) == NULL)
115 return NULL;
116 } else if (method->r2i) {
117 if (!ctx->db || !ctx->db_meth) {
118 ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_CONFIG_DATABASE);
119 return NULL;
120 }
121 if ((ext_struc = method->r2i(method, ctx, value)) == NULL)
122 return NULL;
123 } else {
124 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED,
125 "name=%s", OBJ_nid2sn(ext_nid));
126 return NULL;
127 }
128
129 ext = do_ext_i2d(method, ext_nid, crit, ext_struc);
130 if (method->it)
131 ASN1_item_free(ext_struc, ASN1_ITEM_ptr(method->it));
132 else
133 method->ext_free(ext_struc);
134 return ext;
135 }
136
do_ext_i2d(const X509V3_EXT_METHOD * method,int ext_nid,int crit,void * ext_struc)137 static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method,
138 int ext_nid, int crit, void *ext_struc)
139 {
140 unsigned char *ext_der = NULL;
141 int ext_len;
142 ASN1_OCTET_STRING *ext_oct = NULL;
143 X509_EXTENSION *ext;
144
145 /* Convert internal representation to DER */
146 if (method->it) {
147 ext_der = NULL;
148 ext_len = ASN1_item_i2d(ext_struc, &ext_der, ASN1_ITEM_ptr(method->it));
149 if (ext_len < 0) {
150 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
151 goto err;
152 }
153 } else {
154 unsigned char *p;
155
156 ext_len = method->i2d(ext_struc, NULL);
157 if (ext_len <= 0) {
158 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
159 goto err;
160 }
161 if ((ext_der = OPENSSL_malloc(ext_len)) == NULL)
162 goto err;
163 p = ext_der;
164 method->i2d(ext_struc, &p);
165 }
166 if ((ext_oct = ASN1_OCTET_STRING_new()) == NULL) {
167 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
168 goto err;
169 }
170 ext_oct->data = ext_der;
171 ext_der = NULL;
172 ext_oct->length = ext_len;
173
174 ext = X509_EXTENSION_create_by_NID(NULL, ext_nid, crit, ext_oct);
175 if (!ext) {
176 ERR_raise(ERR_LIB_X509V3, ERR_R_X509V3_LIB);
177 goto err;
178 }
179 ASN1_OCTET_STRING_free(ext_oct);
180
181 return ext;
182
183 err:
184 OPENSSL_free(ext_der);
185 ASN1_OCTET_STRING_free(ext_oct);
186 return NULL;
187 }
188
189 /* Given an internal structure, nid and critical flag create an extension */
190
X509V3_EXT_i2d(int ext_nid,int crit,void * ext_struc)191 X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc)
192 {
193 const X509V3_EXT_METHOD *method;
194
195 if ((method = X509V3_EXT_get_nid(ext_nid)) == NULL) {
196 ERR_raise(ERR_LIB_X509V3, X509V3_R_UNKNOWN_EXTENSION);
197 return NULL;
198 }
199 return do_ext_i2d(method, ext_nid, crit, ext_struc);
200 }
201
202 /* Check the extension string for critical flag */
v3_check_critical(const char ** value)203 static int v3_check_critical(const char **value)
204 {
205 const char *p = *value;
206
207 if (!CHECK_AND_SKIP_PREFIX(p, "critical,"))
208 return 0;
209 while (ossl_isspace(*p))
210 p++;
211 *value = p;
212 return 1;
213 }
214
215 /* Check extension string for generic extension and return the type */
v3_check_generic(const char ** value)216 static int v3_check_generic(const char **value)
217 {
218 int gen_type = 0;
219 const char *p = *value;
220
221 if (CHECK_AND_SKIP_PREFIX(p, "DER:")) {
222 gen_type = 1;
223 } else if (CHECK_AND_SKIP_PREFIX(p, "ASN1:")) {
224 gen_type = 2;
225 } else
226 return 0;
227
228 while (ossl_isspace(*p))
229 p++;
230 *value = p;
231 return gen_type;
232 }
233
234 /* Create a generic extension: for now just handle DER type */
v3_generic_extension(const char * ext,const char * value,int crit,int gen_type,X509V3_CTX * ctx)235 static X509_EXTENSION *v3_generic_extension(const char *ext, const char *value,
236 int crit, int gen_type,
237 X509V3_CTX *ctx)
238 {
239 unsigned char *ext_der = NULL;
240 long ext_len = 0;
241 ASN1_OBJECT *obj = NULL;
242 ASN1_OCTET_STRING *oct = NULL;
243 X509_EXTENSION *extension = NULL;
244
245 if ((obj = OBJ_txt2obj(ext, 0)) == NULL) {
246 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_EXTENSION_NAME_ERROR,
247 "name=%s", ext);
248 goto err;
249 }
250
251 if (gen_type == 1)
252 ext_der = OPENSSL_hexstr2buf(value, &ext_len);
253 else if (gen_type == 2)
254 ext_der = generic_asn1(value, ctx, &ext_len);
255
256 if (ext_der == NULL) {
257 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_EXTENSION_VALUE_ERROR,
258 "value=%s", value);
259 goto err;
260 }
261
262 if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
263 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
264 goto err;
265 }
266
267 oct->data = ext_der;
268 oct->length = ext_len;
269 ext_der = NULL;
270
271 extension = X509_EXTENSION_create_by_OBJ(NULL, obj, crit, oct);
272
273 err:
274 ASN1_OBJECT_free(obj);
275 ASN1_OCTET_STRING_free(oct);
276 OPENSSL_free(ext_der);
277 return extension;
278 }
279
generic_asn1(const char * value,X509V3_CTX * ctx,long * ext_len)280 static unsigned char *generic_asn1(const char *value, X509V3_CTX *ctx,
281 long *ext_len)
282 {
283 ASN1_TYPE *typ;
284 unsigned char *ext_der = NULL;
285
286 typ = ASN1_generate_v3(value, ctx);
287 if (typ == NULL)
288 return NULL;
289 *ext_len = i2d_ASN1_TYPE(typ, &ext_der);
290 ASN1_TYPE_free(typ);
291 return ext_der;
292 }
293
delete_ext(STACK_OF (X509_EXTENSION)* sk,X509_EXTENSION * dext)294 static void delete_ext(STACK_OF(X509_EXTENSION) *sk, X509_EXTENSION *dext)
295 {
296 int idx;
297 ASN1_OBJECT *obj;
298
299 obj = X509_EXTENSION_get_object(dext);
300 while ((idx = X509v3_get_ext_by_OBJ(sk, obj, -1)) >= 0)
301 X509_EXTENSION_free(X509v3_delete_ext(sk, idx));
302 }
303
304 /*
305 * This is the main function: add a bunch of extensions based on a config
306 * file section to an extension STACK. Just check in case sk == NULL.
307 * Note that on error new elements may have been added to *sk if sk != NULL.
308 */
X509V3_EXT_add_nconf_sk(CONF * conf,X509V3_CTX * ctx,const char * section,STACK_OF (X509_EXTENSION)** sk)309 int X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, const char *section,
310 STACK_OF(X509_EXTENSION) **sk)
311 {
312 X509_EXTENSION *ext;
313 STACK_OF(CONF_VALUE) *nval;
314 const CONF_VALUE *val;
315 int i, akid = -1, skid = -1;
316
317 if ((nval = NCONF_get_section(conf, section)) == NULL)
318 return 0;
319 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
320 val = sk_CONF_VALUE_value(nval, i);
321 if (strcmp(val->name, "authorityKeyIdentifier") == 0)
322 akid = i;
323 else if (strcmp(val->name, "subjectKeyIdentifier") == 0)
324 skid = i;
325 }
326 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
327 val = sk_CONF_VALUE_value(nval, i);
328 if (skid > akid && akid >= 0) {
329 /* make sure SKID is handled before AKID */
330 if (i == akid)
331 val = sk_CONF_VALUE_value(nval, skid);
332 else if (i == skid)
333 val = sk_CONF_VALUE_value(nval, akid);
334 }
335 if ((ext = X509V3_EXT_nconf_int(conf, ctx, val->section,
336 val->name, val->value))
337 == NULL)
338 return 0;
339 if (sk != NULL) {
340 if (ctx->flags == X509V3_CTX_REPLACE)
341 delete_ext(*sk, ext);
342 if (X509v3_add_ext(sk, ext, -1) == NULL) {
343 X509_EXTENSION_free(ext);
344 return 0;
345 }
346 }
347 X509_EXTENSION_free(ext);
348 }
349 return 1;
350 }
351
352 /*
353 * Add extensions to a certificate. Just check in case cert == NULL.
354 * Note that on error new elements may remain added to cert if cert != NULL.
355 */
X509V3_EXT_add_nconf(CONF * conf,X509V3_CTX * ctx,const char * section,X509 * cert)356 int X509V3_EXT_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
357 X509 *cert)
358 {
359 STACK_OF(X509_EXTENSION) **sk = NULL;
360 if (cert != NULL)
361 sk = &cert->cert_info.extensions;
362 return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
363 }
364
365 /*
366 * Add extensions to a CRL. Just check in case crl == NULL.
367 * Note that on error new elements may remain added to crl if crl != NULL.
368 */
X509V3_EXT_CRL_add_nconf(CONF * conf,X509V3_CTX * ctx,const char * section,X509_CRL * crl)369 int X509V3_EXT_CRL_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
370 X509_CRL *crl)
371 {
372 STACK_OF(X509_EXTENSION) **sk = NULL;
373 if (crl != NULL)
374 sk = &crl->crl.extensions;
375 return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
376 }
377
378 /*
379 * Add extensions to certificate request. Just check in case req is NULL.
380 * Note that on error new elements may remain added to req if req != NULL.
381 */
X509V3_EXT_REQ_add_nconf(CONF * conf,X509V3_CTX * ctx,const char * section,X509_REQ * req)382 int X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
383 X509_REQ *req)
384 {
385 STACK_OF(X509_EXTENSION) *exts = NULL;
386 int ret = X509V3_EXT_add_nconf_sk(conf, ctx, section, &exts);
387
388 if (ret && req != NULL && exts != NULL)
389 ret = X509_REQ_add_extensions(req, exts);
390 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
391 return ret;
392 }
393
394 /* Config database functions */
395
X509V3_get_string(X509V3_CTX * ctx,const char * name,const char * section)396 char *X509V3_get_string(X509V3_CTX *ctx, const char *name, const char *section)
397 {
398 if (!ctx->db || !ctx->db_meth || !ctx->db_meth->get_string) {
399 ERR_raise(ERR_LIB_X509V3, X509V3_R_OPERATION_NOT_DEFINED);
400 return NULL;
401 }
402 if (ctx->db_meth->get_string)
403 return ctx->db_meth->get_string(ctx->db, name, section);
404 return NULL;
405 }
406
STACK_OF(CONF_VALUE)407 STACK_OF(CONF_VALUE) *X509V3_get_section(X509V3_CTX *ctx, const char *section)
408 {
409 if (!ctx->db || !ctx->db_meth || !ctx->db_meth->get_section) {
410 ERR_raise(ERR_LIB_X509V3, X509V3_R_OPERATION_NOT_DEFINED);
411 return NULL;
412 }
413 if (ctx->db_meth->get_section)
414 return ctx->db_meth->get_section(ctx->db, section);
415 return NULL;
416 }
417
X509V3_string_free(X509V3_CTX * ctx,char * str)418 void X509V3_string_free(X509V3_CTX *ctx, char *str)
419 {
420 if (!str)
421 return;
422 if (ctx->db_meth->free_string)
423 ctx->db_meth->free_string(ctx->db, str);
424 }
425
X509V3_section_free(X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* section)426 void X509V3_section_free(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *section)
427 {
428 if (!section)
429 return;
430 if (ctx->db_meth->free_section)
431 ctx->db_meth->free_section(ctx->db, section);
432 }
433
nconf_get_string(void * db,const char * section,const char * value)434 static char *nconf_get_string(void *db, const char *section, const char *value)
435 {
436 return NCONF_get_string(db, section, value);
437 }
438
STACK_OF(CONF_VALUE)439 static STACK_OF(CONF_VALUE) *nconf_get_section(void *db, const char *section)
440 {
441 return NCONF_get_section(db, section);
442 }
443
444 static X509V3_CONF_METHOD nconf_method = {
445 nconf_get_string,
446 nconf_get_section,
447 NULL,
448 NULL
449 };
450
X509V3_set_nconf(X509V3_CTX * ctx,CONF * conf)451 void X509V3_set_nconf(X509V3_CTX *ctx, CONF *conf)
452 {
453 if (ctx == NULL) {
454 ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_NULL_PARAMETER);
455 return;
456 }
457 ctx->db_meth = &nconf_method;
458 ctx->db = conf;
459 }
460
X509V3_set_ctx(X509V3_CTX * ctx,X509 * issuer,X509 * subj,X509_REQ * req,X509_CRL * crl,int flags)461 void X509V3_set_ctx(X509V3_CTX *ctx, X509 *issuer, X509 *subj, X509_REQ *req,
462 X509_CRL *crl, int flags)
463 {
464 if (ctx == NULL) {
465 ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_NULL_PARAMETER);
466 return;
467 }
468 ctx->flags = flags;
469 ctx->issuer_cert = issuer;
470 ctx->subject_cert = subj;
471 ctx->subject_req = req;
472 ctx->crl = crl;
473 ctx->db_meth = NULL;
474 ctx->db = NULL;
475 ctx->issuer_pkey = NULL;
476 }
477
478 /* For API backward compatibility, this is separate from X509V3_set_ctx() */
X509V3_set_issuer_pkey(X509V3_CTX * ctx,EVP_PKEY * pkey)479 int X509V3_set_issuer_pkey(X509V3_CTX *ctx, EVP_PKEY *pkey)
480 {
481 if (ctx == NULL) {
482 ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_NULL_PARAMETER);
483 return 0;
484 }
485 if (ctx->subject_cert == NULL && pkey != NULL) {
486 ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_INVALID_ARGUMENT);
487 return 0;
488 }
489 ctx->issuer_pkey = pkey;
490 return 1;
491 }
492
493 /* Old conf compatibility functions */
494
X509V3_EXT_conf(LHASH_OF (CONF_VALUE)* conf,X509V3_CTX * ctx,const char * name,const char * value)495 X509_EXTENSION *X509V3_EXT_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
496 const char *name, const char *value)
497 {
498 CONF *ctmp;
499 X509_EXTENSION *ret;
500
501 if ((ctmp = NCONF_new(NULL)) == NULL)
502 return NULL;
503 CONF_set_nconf(ctmp, conf);
504 ret = X509V3_EXT_nconf(ctmp, ctx, name, value);
505 CONF_set_nconf(ctmp, NULL);
506 NCONF_free(ctmp);
507 return ret;
508 }
509
X509V3_EXT_conf_nid(LHASH_OF (CONF_VALUE)* conf,X509V3_CTX * ctx,int ext_nid,const char * value)510 X509_EXTENSION *X509V3_EXT_conf_nid(LHASH_OF(CONF_VALUE) *conf,
511 X509V3_CTX *ctx, int ext_nid, const char *value)
512 {
513 CONF *ctmp;
514 X509_EXTENSION *ret;
515
516 if ((ctmp = NCONF_new(NULL)) == NULL)
517 return NULL;
518 CONF_set_nconf(ctmp, conf);
519 ret = X509V3_EXT_nconf_nid(ctmp, ctx, ext_nid, value);
520 CONF_set_nconf(ctmp, NULL);
521 NCONF_free(ctmp);
522 return ret;
523 }
524
conf_lhash_get_string(void * db,const char * section,const char * value)525 static char *conf_lhash_get_string(void *db, const char *section, const char *value)
526 {
527 return CONF_get_string(db, section, value);
528 }
529
STACK_OF(CONF_VALUE)530 static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, const char *section)
531 {
532 return CONF_get_section(db, section);
533 }
534
535 static X509V3_CONF_METHOD conf_lhash_method = {
536 conf_lhash_get_string,
537 conf_lhash_get_section,
538 NULL,
539 NULL
540 };
541
X509V3_set_conf_lhash(X509V3_CTX * ctx,LHASH_OF (CONF_VALUE)* lhash)542 void X509V3_set_conf_lhash(X509V3_CTX *ctx, LHASH_OF(CONF_VALUE) *lhash)
543 {
544 if (ctx == NULL) {
545 ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_NULL_PARAMETER);
546 return;
547 }
548 ctx->db_meth = &conf_lhash_method;
549 ctx->db = lhash;
550 }
551
X509V3_EXT_add_conf(LHASH_OF (CONF_VALUE)* conf,X509V3_CTX * ctx,const char * section,X509 * cert)552 int X509V3_EXT_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
553 const char *section, X509 *cert)
554 {
555 CONF *ctmp;
556 int ret;
557
558 if ((ctmp = NCONF_new(NULL)) == NULL)
559 return 0;
560 CONF_set_nconf(ctmp, conf);
561 ret = X509V3_EXT_add_nconf(ctmp, ctx, section, cert);
562 CONF_set_nconf(ctmp, NULL);
563 NCONF_free(ctmp);
564 return ret;
565 }
566
567 /* Same as above but for a CRL */
568
X509V3_EXT_CRL_add_conf(LHASH_OF (CONF_VALUE)* conf,X509V3_CTX * ctx,const char * section,X509_CRL * crl)569 int X509V3_EXT_CRL_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
570 const char *section, X509_CRL *crl)
571 {
572 CONF *ctmp;
573 int ret;
574
575 if ((ctmp = NCONF_new(NULL)) == NULL)
576 return 0;
577 CONF_set_nconf(ctmp, conf);
578 ret = X509V3_EXT_CRL_add_nconf(ctmp, ctx, section, crl);
579 CONF_set_nconf(ctmp, NULL);
580 NCONF_free(ctmp);
581 return ret;
582 }
583
584 /* Add extensions to certificate request */
585
X509V3_EXT_REQ_add_conf(LHASH_OF (CONF_VALUE)* conf,X509V3_CTX * ctx,const char * section,X509_REQ * req)586 int X509V3_EXT_REQ_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
587 const char *section, X509_REQ *req)
588 {
589 CONF *ctmp;
590 int ret;
591
592 if ((ctmp = NCONF_new(NULL)) == NULL)
593 return 0;
594 CONF_set_nconf(ctmp, conf);
595 ret = X509V3_EXT_REQ_add_nconf(ctmp, ctx, section, req);
596 CONF_set_nconf(ctmp, NULL);
597 NCONF_free(ctmp);
598 return ret;
599 }
600