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diff --git a/src/lib/libcrypto/x509/x509_v3.c b/src/lib/libcrypto/x509/x509_v3.c
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1/* crypto/x509/x509_v3.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <openssl/stack.h>
61#include "cryptlib.h"
62#include <openssl/asn1.h>
63#include <openssl/objects.h>
64#include <openssl/evp.h>
65#include <openssl/x509.h>
66
67int X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x)
68 {
69 if (x == NULL) return(0);
70 return(sk_X509_EXTENSION_num(x));
71 }
72
73int X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x, int nid,
74 int lastpos)
75 {
76 ASN1_OBJECT *obj;
77
78 obj=OBJ_nid2obj(nid);
79 if (obj == NULL) return(-2);
80 return(X509v3_get_ext_by_OBJ(x,obj,lastpos));
81 }
82
83int X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) *sk, ASN1_OBJECT *obj,
84 int lastpos)
85 {
86 int n;
87 X509_EXTENSION *ex;
88
89 if (sk == NULL) return(-1);
90 lastpos++;
91 if (lastpos < 0)
92 lastpos=0;
93 n=sk_X509_EXTENSION_num(sk);
94 for ( ; lastpos < n; lastpos++)
95 {
96 ex=sk_X509_EXTENSION_value(sk,lastpos);
97 if (OBJ_cmp(ex->object,obj) == 0)
98 return(lastpos);
99 }
100 return(-1);
101 }
102
103int X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *sk, int crit,
104 int lastpos)
105 {
106 int n;
107 X509_EXTENSION *ex;
108
109 if (sk == NULL) return(-1);
110 lastpos++;
111 if (lastpos < 0)
112 lastpos=0;
113 n=sk_X509_EXTENSION_num(sk);
114 for ( ; lastpos < n; lastpos++)
115 {
116 ex=sk_X509_EXTENSION_value(sk,lastpos);
117 if ( (ex->critical && crit) ||
118 (!ex->critical && !crit))
119 return(lastpos);
120 }
121 return(-1);
122 }
123
124X509_EXTENSION *X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc)
125 {
126 if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
127 return NULL;
128 else
129 return sk_X509_EXTENSION_value(x,loc);
130 }
131
132X509_EXTENSION *X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc)
133 {
134 X509_EXTENSION *ret;
135
136 if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
137 return(NULL);
138 ret=sk_X509_EXTENSION_delete(x,loc);
139 return(ret);
140 }
141
142STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x,
143 X509_EXTENSION *ex, int loc)
144 {
145 X509_EXTENSION *new_ex=NULL;
146 int n;
147 STACK_OF(X509_EXTENSION) *sk=NULL;
148
149 if ((x != NULL) && (*x == NULL))
150 {
151 if ((sk=sk_X509_EXTENSION_new_null()) == NULL)
152 goto err;
153 }
154 else
155 sk= *x;
156
157 n=sk_X509_EXTENSION_num(sk);
158 if (loc > n) loc=n;
159 else if (loc < 0) loc=n;
160
161 if ((new_ex=X509_EXTENSION_dup(ex)) == NULL)
162 goto err2;
163 if (!sk_X509_EXTENSION_insert(sk,new_ex,loc))
164 goto err;
165 if ((x != NULL) && (*x == NULL))
166 *x=sk;
167 return(sk);
168err:
169 X509err(X509_F_X509V3_ADD_EXT,ERR_R_MALLOC_FAILURE);
170err2:
171 if (new_ex != NULL) X509_EXTENSION_free(new_ex);
172 if (sk != NULL) sk_X509_EXTENSION_free(sk);
173 return(NULL);
174 }
175
176X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex, int nid,
177 int crit, ASN1_OCTET_STRING *data)
178 {
179 ASN1_OBJECT *obj;
180 X509_EXTENSION *ret;
181
182 obj=OBJ_nid2obj(nid);
183 if (obj == NULL)
184 {
185 X509err(X509_F_X509_EXTENSION_CREATE_BY_NID,X509_R_UNKNOWN_NID);
186 return(NULL);
187 }
188 ret=X509_EXTENSION_create_by_OBJ(ex,obj,crit,data);
189 if (ret == NULL) ASN1_OBJECT_free(obj);
190 return(ret);
191 }
192
193X509_EXTENSION *X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex,
194 ASN1_OBJECT *obj, int crit, ASN1_OCTET_STRING *data)
195 {
196 X509_EXTENSION *ret;
197
198 if ((ex == NULL) || (*ex == NULL))
199 {
200 if ((ret=X509_EXTENSION_new()) == NULL)
201 {
202 X509err(X509_F_X509_EXTENSION_CREATE_BY_OBJ,ERR_R_MALLOC_FAILURE);
203 return(NULL);
204 }
205 }
206 else
207 ret= *ex;
208
209 if (!X509_EXTENSION_set_object(ret,obj))
210 goto err;
211 if (!X509_EXTENSION_set_critical(ret,crit))
212 goto err;
213 if (!X509_EXTENSION_set_data(ret,data))
214 goto err;
215
216 if ((ex != NULL) && (*ex == NULL)) *ex=ret;
217 return(ret);
218err:
219 if ((ex == NULL) || (ret != *ex))
220 X509_EXTENSION_free(ret);
221 return(NULL);
222 }
223
224int X509_EXTENSION_set_object(X509_EXTENSION *ex, ASN1_OBJECT *obj)
225 {
226 if ((ex == NULL) || (obj == NULL))
227 return(0);
228 ASN1_OBJECT_free(ex->object);
229 ex->object=OBJ_dup(obj);
230 return(1);
231 }
232
233int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit)
234 {
235 if (ex == NULL) return(0);
236 ex->critical=(crit)?0xFF:0;
237 return(1);
238 }
239
240int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data)
241 {
242 int i;
243
244 if (ex == NULL) return(0);
245 i=ASN1_OCTET_STRING_set(ex->value,data->data,data->length);
246 if (!i) return(0);
247 return(1);
248 }
249
250ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex)
251 {
252 if (ex == NULL) return(NULL);
253 return(ex->object);
254 }
255
256ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ex)
257 {
258 if (ex == NULL) return(NULL);
259 return(ex->value);
260 }
261
262int X509_EXTENSION_get_critical(X509_EXTENSION *ex)
263 {
264 if (ex == NULL) return(0);
265 return(ex->critical);
266 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-25 02:36:28 +0000