summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/x509v3/v3_lib.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libcrypto/x509v3/v3_lib.c')
-rw-r--r--src/lib/libcrypto/x509v3/v3_lib.c345
1 files changed, 0 insertions, 345 deletions
diff --git a/src/lib/libcrypto/x509v3/v3_lib.c b/src/lib/libcrypto/x509v3/v3_lib.c
deleted file mode 100644
index 7731c7c544..0000000000
--- a/src/lib/libcrypto/x509v3/v3_lib.c
+++ /dev/null
@@ -1,345 +0,0 @@
1/* $OpenBSD: v3_lib.c,v 1.14 2015/02/10 11:22:22 jsing Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 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/* X509 v3 extension utilities */
59
60#include <stdio.h>
61
62#include <openssl/conf.h>
63#include <openssl/err.h>
64#include <openssl/x509v3.h>
65
66#include "ext_dat.h"
67
68static STACK_OF(X509V3_EXT_METHOD) *ext_list = NULL;
69
70static int ext_cmp(const X509V3_EXT_METHOD * const *a,
71 const X509V3_EXT_METHOD * const *b);
72static void ext_list_free(X509V3_EXT_METHOD *ext);
73
74int
75X509V3_EXT_add(X509V3_EXT_METHOD *ext)
76{
77 if (!ext_list && !(ext_list = sk_X509V3_EXT_METHOD_new(ext_cmp))) {
78 X509V3err(X509V3_F_X509V3_EXT_ADD, ERR_R_MALLOC_FAILURE);
79 return 0;
80 }
81 if (!sk_X509V3_EXT_METHOD_push(ext_list, ext)) {
82 X509V3err(X509V3_F_X509V3_EXT_ADD, ERR_R_MALLOC_FAILURE);
83 return 0;
84 }
85 return 1;
86}
87
88static int
89ext_cmp(const X509V3_EXT_METHOD * const *a, const X509V3_EXT_METHOD * const *b)
90{
91 return ((*a)->ext_nid - (*b)->ext_nid);
92}
93
94DECLARE_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *,
95 const X509V3_EXT_METHOD *, ext);
96IMPLEMENT_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *,
97 const X509V3_EXT_METHOD *, ext);
98
99const X509V3_EXT_METHOD *
100X509V3_EXT_get_nid(int nid)
101{
102 X509V3_EXT_METHOD tmp;
103 const X509V3_EXT_METHOD *t = &tmp, * const *ret;
104 int idx;
105
106 if (nid < 0)
107 return NULL;
108 tmp.ext_nid = nid;
109 ret = OBJ_bsearch_ext(&t, standard_exts, STANDARD_EXTENSION_COUNT);
110 if (ret)
111 return *ret;
112 if (!ext_list)
113 return NULL;
114 idx = sk_X509V3_EXT_METHOD_find(ext_list, &tmp);
115 if (idx == -1)
116 return NULL;
117 return sk_X509V3_EXT_METHOD_value(ext_list, idx);
118}
119
120const X509V3_EXT_METHOD *
121X509V3_EXT_get(X509_EXTENSION *ext)
122{
123 int nid;
124
125 if ((nid = OBJ_obj2nid(ext->object)) == NID_undef)
126 return NULL;
127 return X509V3_EXT_get_nid(nid);
128}
129
130int
131X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist)
132{
133 for (; extlist->ext_nid!=-1; extlist++)
134 if (!X509V3_EXT_add(extlist))
135 return 0;
136 return 1;
137}
138
139int
140X509V3_EXT_add_alias(int nid_to, int nid_from)
141{
142 const X509V3_EXT_METHOD *ext;
143 X509V3_EXT_METHOD *tmpext;
144
145 if (!(ext = X509V3_EXT_get_nid(nid_from))) {
146 X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,
147 X509V3_R_EXTENSION_NOT_FOUND);
148 return 0;
149 }
150 if (!(tmpext = malloc(sizeof(X509V3_EXT_METHOD)))) {
151 X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS, ERR_R_MALLOC_FAILURE);
152 return 0;
153 }
154 *tmpext = *ext;
155 tmpext->ext_nid = nid_to;
156 tmpext->ext_flags |= X509V3_EXT_DYNAMIC;
157 return X509V3_EXT_add(tmpext);
158}
159
160void
161X509V3_EXT_cleanup(void)
162{
163 sk_X509V3_EXT_METHOD_pop_free(ext_list, ext_list_free);
164 ext_list = NULL;
165}
166
167static void
168ext_list_free(X509V3_EXT_METHOD *ext)
169{
170 if (ext->ext_flags & X509V3_EXT_DYNAMIC)
171 free(ext);
172}
173
174/* Legacy function: we don't need to add standard extensions
175 * any more because they are now kept in ext_dat.h.
176 */
177
178int
179X509V3_add_standard_extensions(void)
180{
181 return 1;
182}
183
184/* Return an extension internal structure */
185
186void *
187X509V3_EXT_d2i(X509_EXTENSION *ext)
188{
189 const X509V3_EXT_METHOD *method;
190 const unsigned char *p;
191
192 if (!(method = X509V3_EXT_get(ext)))
193 return NULL;
194 p = ext->value->data;
195 if (method->it)
196 return ASN1_item_d2i(NULL, &p, ext->value->length,
197 ASN1_ITEM_ptr(method->it));
198 return method->d2i(NULL, &p, ext->value->length);
199}
200
201/* Get critical flag and decoded version of extension from a NID.
202 * The "idx" variable returns the last found extension and can
203 * be used to retrieve multiple extensions of the same NID.
204 * However multiple extensions with the same NID is usually
205 * due to a badly encoded certificate so if idx is NULL we
206 * choke if multiple extensions exist.
207 * The "crit" variable is set to the critical value.
208 * The return value is the decoded extension or NULL on
209 * error. The actual error can have several different causes,
210 * the value of *crit reflects the cause:
211 * >= 0, extension found but not decoded (reflects critical value).
212 * -1 extension not found.
213 * -2 extension occurs more than once.
214 */
215
216void *
217X509V3_get_d2i(STACK_OF(X509_EXTENSION) *x, int nid, int *crit, int *idx)
218{
219 int lastpos, i;
220 X509_EXTENSION *ex, *found_ex = NULL;
221
222 if (!x) {
223 if (idx)
224 *idx = -1;
225 if (crit)
226 *crit = -1;
227 return NULL;
228 }
229 if (idx)
230 lastpos = *idx + 1;
231 else
232 lastpos = 0;
233 if (lastpos < 0)
234 lastpos = 0;
235 for (i = lastpos; i < sk_X509_EXTENSION_num(x); i++) {
236 ex = sk_X509_EXTENSION_value(x, i);
237 if (OBJ_obj2nid(ex->object) == nid) {
238 if (idx) {
239 *idx = i;
240 found_ex = ex;
241 break;
242 } else if (found_ex) {
243 /* Found more than one */
244 if (crit)
245 *crit = -2;
246 return NULL;
247 }
248 found_ex = ex;
249 }
250 }
251 if (found_ex) {
252 /* Found it */
253 if (crit)
254 *crit = X509_EXTENSION_get_critical(found_ex);
255 return X509V3_EXT_d2i(found_ex);
256 }
257
258 /* Extension not found */
259 if (idx)
260 *idx = -1;
261 if (crit)
262 *crit = -1;
263 return NULL;
264}
265
266/* This function is a general extension append, replace and delete utility.
267 * The precise operation is governed by the 'flags' value. The 'crit' and
268 * 'value' arguments (if relevant) are the extensions internal structure.
269 */
270
271int
272X509V3_add1_i2d(STACK_OF(X509_EXTENSION) **x, int nid, void *value,
273 int crit, unsigned long flags)
274{
275 int extidx = -1;
276 int errcode;
277 X509_EXTENSION *ext, *extmp;
278 unsigned long ext_op = flags & X509V3_ADD_OP_MASK;
279
280 /* If appending we don't care if it exists, otherwise
281 * look for existing extension.
282 */
283 if (ext_op != X509V3_ADD_APPEND)
284 extidx = X509v3_get_ext_by_NID(*x, nid, -1);
285
286 /* See if extension exists */
287 if (extidx >= 0) {
288 /* If keep existing, nothing to do */
289 if (ext_op == X509V3_ADD_KEEP_EXISTING)
290 return 1;
291 /* If default then its an error */
292 if (ext_op == X509V3_ADD_DEFAULT) {
293 errcode = X509V3_R_EXTENSION_EXISTS;
294 goto err;
295 }
296 /* If delete, just delete it */
297 if (ext_op == X509V3_ADD_DELETE) {
298 if (!sk_X509_EXTENSION_delete(*x, extidx))
299 return -1;
300 return 1;
301 }
302 } else {
303 /* If replace existing or delete, error since
304 * extension must exist
305 */
306 if ((ext_op == X509V3_ADD_REPLACE_EXISTING) ||
307 (ext_op == X509V3_ADD_DELETE)) {
308 errcode = X509V3_R_EXTENSION_NOT_FOUND;
309 goto err;
310 }
311 }
312
313 /* If we get this far then we have to create an extension:
314 * could have some flags for alternative encoding schemes...
315 */
316
317 ext = X509V3_EXT_i2d(nid, crit, value);
318
319 if (!ext) {
320 X509V3err(X509V3_F_X509V3_ADD1_I2D,
321 X509V3_R_ERROR_CREATING_EXTENSION);
322 return 0;
323 }
324
325 /* If extension exists replace it.. */
326 if (extidx >= 0) {
327 extmp = sk_X509_EXTENSION_value(*x, extidx);
328 X509_EXTENSION_free(extmp);
329 if (!sk_X509_EXTENSION_set(*x, extidx, ext))
330 return -1;
331 return 1;
332 }
333
334 if (!*x && !(*x = sk_X509_EXTENSION_new_null()))
335 return -1;
336 if (!sk_X509_EXTENSION_push(*x, ext))
337 return -1;
338
339 return 1;
340
341err:
342 if (!(flags & X509V3_ADD_SILENT))
343 X509V3err(X509V3_F_X509V3_ADD1_I2D, errcode);
344 return 0;
345}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-05-07 20:06:32 +0000