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-rw-r--r--src/lib/libcrypto/x509/x509_conf.c456
1 files changed, 0 insertions, 456 deletions
diff --git a/src/lib/libcrypto/x509/x509_conf.c b/src/lib/libcrypto/x509/x509_conf.c
deleted file mode 100644
index e5b18c2f77..0000000000
--- a/src/lib/libcrypto/x509/x509_conf.c
+++ /dev/null
@@ -1,456 +0,0 @@
1/* $OpenBSD: x509_conf.c,v 1.29 2025/03/06 07:20:01 tb Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999-2002 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/* extension creation utilities */
59
60#include <ctype.h>
61#include <stdio.h>
62#include <string.h>
63
64#include <openssl/conf.h>
65#include <openssl/err.h>
66#include <openssl/x509.h>
67#include <openssl/x509v3.h>
68
69#include "conf_local.h"
70#include "x509_local.h"
71
72static int v3_check_critical(const char **value);
73static int v3_check_generic(const char **value);
74static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int nid,
75 int crit, const char *value);
76static X509_EXTENSION *v3_generic_extension(const char *ext, const char *value,
77 int crit, int type, X509V3_CTX *ctx);
78static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method, int nid,
79 int crit, void *ext_struct);
80static unsigned char *generic_asn1(const char *value, X509V3_CTX *ctx,
81 long *ext_len);
82
83X509_EXTENSION *
84X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, const char *name,
85 const char *value)
86{
87 int crit;
88 int ext_type;
89 X509_EXTENSION *ret;
90
91 crit = v3_check_critical(&value);
92 if ((ext_type = v3_check_generic(&value)))
93 return v3_generic_extension(name, value, crit, ext_type, ctx);
94 ret = do_ext_nconf(conf, ctx, OBJ_sn2nid(name), crit, value);
95 if (!ret) {
96 X509V3error(X509V3_R_ERROR_IN_EXTENSION);
97 ERR_asprintf_error_data("name=%s, value=%s", name, value);
98 }
99 return ret;
100}
101LCRYPTO_ALIAS(X509V3_EXT_nconf);
102
103X509_EXTENSION *
104X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int nid, const char *value)
105{
106 int crit;
107 int ext_type;
108
109 crit = v3_check_critical(&value);
110 if ((ext_type = v3_check_generic(&value)))
111 return v3_generic_extension(OBJ_nid2sn(nid),
112 value, crit, ext_type, ctx);
113 return do_ext_nconf(conf, ctx, nid, crit, value);
114}
115LCRYPTO_ALIAS(X509V3_EXT_nconf_nid);
116
117static X509_EXTENSION *
118do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int nid, int crit, const char *value)
119{
120 const X509V3_EXT_METHOD *method;
121 X509_EXTENSION *ext;
122 void *ext_struct;
123
124 if (nid == NID_undef) {
125 X509V3error(X509V3_R_UNKNOWN_EXTENSION_NAME);
126 return NULL;
127 }
128 if (!(method = X509V3_EXT_get_nid(nid))) {
129 X509V3error(X509V3_R_UNKNOWN_EXTENSION);
130 return NULL;
131 }
132 /* Now get internal extension representation based on type */
133 if (method->v2i) {
134 STACK_OF(CONF_VALUE) *nval;
135
136 if (*value == '@')
137 nval = NCONF_get_section(conf, value + 1);
138 else
139 nval = X509V3_parse_list(value);
140 if (sk_CONF_VALUE_num(nval) <= 0) {
141 X509V3error(X509V3_R_INVALID_EXTENSION_STRING);
142 ERR_asprintf_error_data("name=%s,section=%s",
143 OBJ_nid2sn(nid), value);
144 if (*value != '@')
145 sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
146 return NULL;
147 }
148 ext_struct = method->v2i(method, ctx, nval);
149 if (*value != '@')
150 sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
151 } else if (method->s2i) {
152 ext_struct = method->s2i(method, ctx, value);
153 } else if (method->r2i) {
154 if (ctx->db == NULL) {
155 X509V3error(X509V3_R_NO_CONFIG_DATABASE);
156 return NULL;
157 }
158 ext_struct = method->r2i(method, ctx, value);
159 } else {
160 X509V3error(X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED);
161 ERR_asprintf_error_data("name=%s", OBJ_nid2sn(nid));
162 return NULL;
163 }
164 if (ext_struct == NULL)
165 return NULL;
166
167 ext = do_ext_i2d(method, nid, crit, ext_struct);
168 if (method->it)
169 ASN1_item_free(ext_struct, method->it);
170 else
171 method->ext_free(ext_struct);
172 return ext;
173}
174
175static X509_EXTENSION *
176do_ext_i2d(const X509V3_EXT_METHOD *method, int nid, int crit,
177 void *ext_struct)
178{
179 unsigned char *ext_der = NULL;
180 int ext_len;
181 ASN1_OCTET_STRING *ext_oct = NULL;
182 X509_EXTENSION *ext;
183
184 /* Convert internal representation to DER */
185 if (method->it != NULL) {
186 ext_der = NULL;
187 ext_len = ASN1_item_i2d(ext_struct, &ext_der, method->it);
188 if (ext_len < 0)
189 goto err;
190 } else {
191 unsigned char *p;
192
193 if ((ext_len = method->i2d(ext_struct, NULL)) <= 0)
194 goto err;
195 if ((ext_der = calloc(1, ext_len)) == NULL)
196 goto err;
197 p = ext_der;
198 if (method->i2d(ext_struct, &p) != ext_len)
199 goto err;
200 }
201 if ((ext_oct = ASN1_OCTET_STRING_new()) == NULL)
202 goto err;
203 ASN1_STRING_set0(ext_oct, ext_der, ext_len);
204 ext_der = NULL;
205 ext_len = 0;
206
207 ext = X509_EXTENSION_create_by_NID(NULL, nid, crit, ext_oct);
208 if (ext == NULL)
209 goto err;
210 ASN1_OCTET_STRING_free(ext_oct);
211
212 return ext;
213
214 err:
215 free(ext_der);
216 ASN1_OCTET_STRING_free(ext_oct);
217 X509V3error(ERR_R_MALLOC_FAILURE);
218
219 return NULL;
220}
221
222/* Given an internal structure, nid and critical flag create an extension */
223X509_EXTENSION *
224X509V3_EXT_i2d(int nid, int crit, void *ext_struct)
225{
226 const X509V3_EXT_METHOD *method;
227
228 if (!(method = X509V3_EXT_get_nid(nid))) {
229 X509V3error(X509V3_R_UNKNOWN_EXTENSION);
230 return NULL;
231 }
232 return do_ext_i2d(method, nid, crit, ext_struct);
233}
234LCRYPTO_ALIAS(X509V3_EXT_i2d);
235
236/* Check the extension string for critical flag */
237static int
238v3_check_critical(const char **value)
239{
240 const char *p = *value;
241
242 if ((strlen(p) < 9) || strncmp(p, "critical,", 9))
243 return 0;
244 p += 9;
245 while (isspace((unsigned char)*p)) p++;
246 *value = p;
247 return 1;
248}
249
250/* Check extension string for generic extension and return the type */
251static int
252v3_check_generic(const char **value)
253{
254 int gen_type = 0;
255 const char *p = *value;
256
257 if ((strlen(p) >= 4) && !strncmp(p, "DER:", 4)) {
258 p += 4;
259 gen_type = 1;
260 } else if ((strlen(p) >= 5) && !strncmp(p, "ASN1:", 5)) {
261 p += 5;
262 gen_type = 2;
263 } else
264 return 0;
265
266 while (isspace((unsigned char)*p))
267 p++;
268 *value = p;
269 return gen_type;
270}
271
272/* Create a generic extension: for now just handle DER type */
273static X509_EXTENSION *
274v3_generic_extension(const char *name, const char *value, int crit, int gen_type,
275 X509V3_CTX *ctx)
276{
277 unsigned char *ext_der = NULL;
278 long ext_len = 0;
279 ASN1_OBJECT *obj = NULL;
280 ASN1_OCTET_STRING *oct = NULL;
281 X509_EXTENSION *ext = NULL;
282
283 if ((obj = OBJ_txt2obj(name, 0)) == NULL) {
284 X509V3error(X509V3_R_EXTENSION_NAME_ERROR);
285 ERR_asprintf_error_data("name=%s", name);
286 goto err;
287 }
288
289 if (gen_type == 1)
290 ext_der = string_to_hex(value, &ext_len);
291 else if (gen_type == 2)
292 ext_der = generic_asn1(value, ctx, &ext_len);
293 else {
294 ERR_asprintf_error_data("Unexpected generic extension type %d", gen_type);
295 goto err;
296 }
297
298 if (ext_der == NULL) {
299 X509V3error(X509V3_R_EXTENSION_VALUE_ERROR);
300 ERR_asprintf_error_data("value=%s", value);
301 goto err;
302 }
303
304 if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
305 X509V3error(ERR_R_MALLOC_FAILURE);
306 goto err;
307 }
308
309 ASN1_STRING_set0(oct, ext_der, ext_len);
310 ext_der = NULL;
311 ext_len = 0;
312
313 ext = X509_EXTENSION_create_by_OBJ(NULL, obj, crit, oct);
314
315 err:
316 ASN1_OBJECT_free(obj);
317 ASN1_OCTET_STRING_free(oct);
318 free(ext_der);
319
320 return ext;
321}
322
323static unsigned char *
324generic_asn1(const char *value, X509V3_CTX *ctx, long *ext_len)
325{
326 ASN1_TYPE *typ;
327 unsigned char *ext_der = NULL;
328
329 typ = ASN1_generate_v3(value, ctx);
330 if (typ == NULL)
331 return NULL;
332 *ext_len = i2d_ASN1_TYPE(typ, &ext_der);
333 ASN1_TYPE_free(typ);
334 return ext_der;
335}
336
337/*
338 * This is the main function: add a bunch of extensions based on a config file
339 * section to an extension STACK.
340 */
341
342int
343X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, const char *section,
344 STACK_OF(X509_EXTENSION) **sk)
345{
346 X509_EXTENSION *ext;
347 STACK_OF(CONF_VALUE) *nval;
348 CONF_VALUE *val;
349 int i;
350
351 if (!(nval = NCONF_get_section(conf, section)))
352 return 0;
353 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
354 val = sk_CONF_VALUE_value(nval, i);
355 if (!(ext = X509V3_EXT_nconf(conf, ctx, val->name, val->value)))
356 return 0;
357 if (sk)
358 X509v3_add_ext(sk, ext, -1);
359 X509_EXTENSION_free(ext);
360 }
361 return 1;
362}
363LCRYPTO_ALIAS(X509V3_EXT_add_nconf_sk);
364
365int
366X509V3_EXT_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
367 X509 *cert)
368{
369 STACK_OF(X509_EXTENSION) **sk = NULL;
370
371 if (cert)
372 sk = &cert->cert_info->extensions;
373 return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
374}
375LCRYPTO_ALIAS(X509V3_EXT_add_nconf);
376
377int
378X509V3_EXT_CRL_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
379 X509_CRL *crl)
380{
381 STACK_OF(X509_EXTENSION) **sk = NULL;
382
383 if (crl)
384 sk = &crl->crl->extensions;
385 return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
386}
387LCRYPTO_ALIAS(X509V3_EXT_CRL_add_nconf);
388
389int
390X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
391 X509_REQ *req)
392{
393 STACK_OF(X509_EXTENSION) *extlist = NULL, **sk = NULL;
394 int i;
395
396 if (req)
397 sk = &extlist;
398 i = X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
399 if (!i || !sk)
400 return i;
401 i = X509_REQ_add_extensions(req, extlist);
402 sk_X509_EXTENSION_pop_free(extlist, X509_EXTENSION_free);
403 return i;
404}
405LCRYPTO_ALIAS(X509V3_EXT_REQ_add_nconf);
406
407STACK_OF(CONF_VALUE) *
408X509V3_get0_section(X509V3_CTX *ctx, const char *section)
409{
410 if (ctx->db == NULL) {
411 X509V3error(X509V3_R_OPERATION_NOT_DEFINED);
412 return NULL;
413 }
414 return NCONF_get_section(ctx->db, section);
415}
416
417void
418X509V3_set_nconf(X509V3_CTX *ctx, CONF *conf)
419{
420 ctx->db = conf;
421}
422LCRYPTO_ALIAS(X509V3_set_nconf);
423
424void
425X509V3_set_ctx(X509V3_CTX *ctx, X509 *issuer, X509 *subj, X509_REQ *req,
426 X509_CRL *crl, int flags)
427{
428 ctx->issuer_cert = issuer;
429 ctx->subject_cert = subj;
430 ctx->crl = crl;
431 ctx->subject_req = req;
432 ctx->flags = flags;
433}
434LCRYPTO_ALIAS(X509V3_set_ctx);
435
436X509_EXTENSION *
437X509V3_EXT_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx, const char *name,
438 const char *value)
439{
440 CONF ctmp;
441
442 CONF_set_nconf(&ctmp, conf);
443 return X509V3_EXT_nconf(&ctmp, ctx, name, value);
444}
445LCRYPTO_ALIAS(X509V3_EXT_conf);
446
447X509_EXTENSION *
448X509V3_EXT_conf_nid(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx, int nid,
449 const char *value)
450{
451 CONF ctmp;
452
453 CONF_set_nconf(&ctmp, conf);
454 return X509V3_EXT_nconf_nid(&ctmp, ctx, nid, value);
455}
456LCRYPTO_ALIAS(X509V3_EXT_conf_nid);
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-05-06 22:17:14 +0000