1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
59 #include <openssl/stack.h>
60 #include "internal/cryptlib.h"
61 #include <openssl/asn1.h>
62 #include <openssl/objects.h>
63 #include <openssl/evp.h>
64 #include <openssl/x509.h>
65 #include <openssl/x509v3.h>
68 int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
70 return sk_X509_ATTRIBUTE_num(x);
73 int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
78 obj = OBJ_nid2obj(nid);
81 return (X509at_get_attr_by_OBJ(x, obj, lastpos));
84 int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
85 ASN1_OBJECT *obj, int lastpos)
95 n = sk_X509_ATTRIBUTE_num(sk);
96 for (; lastpos < n; lastpos++) {
97 ex = sk_X509_ATTRIBUTE_value(sk, lastpos);
98 if (OBJ_cmp(ex->object, obj) == 0)
104 X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc)
106 if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
109 return sk_X509_ATTRIBUTE_value(x, loc);
112 X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc)
116 if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
118 ret = sk_X509_ATTRIBUTE_delete(x, loc);
122 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
123 X509_ATTRIBUTE *attr)
125 X509_ATTRIBUTE *new_attr = NULL;
126 STACK_OF(X509_ATTRIBUTE) *sk = NULL;
129 X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER);
134 if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL)
139 if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL)
141 if (!sk_X509_ATTRIBUTE_push(sk, new_attr))
147 X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_MALLOC_FAILURE);
149 X509_ATTRIBUTE_free(new_attr);
150 sk_X509_ATTRIBUTE_free(sk);
154 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
155 **x, const ASN1_OBJECT *obj,
157 const unsigned char *bytes,
160 X509_ATTRIBUTE *attr;
161 STACK_OF(X509_ATTRIBUTE) *ret;
162 attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
165 ret = X509at_add1_attr(x, attr);
166 X509_ATTRIBUTE_free(attr);
170 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE)
171 **x, int nid, int type,
172 const unsigned char *bytes,
175 X509_ATTRIBUTE *attr;
176 STACK_OF(X509_ATTRIBUTE) *ret;
177 attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
180 ret = X509at_add1_attr(x, attr);
181 X509_ATTRIBUTE_free(attr);
185 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
186 **x, const char *attrname,
188 const unsigned char *bytes,
191 X509_ATTRIBUTE *attr;
192 STACK_OF(X509_ATTRIBUTE) *ret;
193 attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
196 ret = X509at_add1_attr(x, attr);
197 X509_ATTRIBUTE_free(attr);
201 void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x,
202 ASN1_OBJECT *obj, int lastpos, int type)
206 i = X509at_get_attr_by_OBJ(x, obj, lastpos);
209 if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1))
211 at = X509at_get_attr(x, i);
212 if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1))
214 return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
217 X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
218 int atrtype, const void *data,
224 obj = OBJ_nid2obj(nid);
226 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID, X509_R_UNKNOWN_NID);
229 ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len);
231 ASN1_OBJECT_free(obj);
235 X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
236 const ASN1_OBJECT *obj,
237 int atrtype, const void *data,
242 if ((attr == NULL) || (*attr == NULL)) {
243 if ((ret = X509_ATTRIBUTE_new()) == NULL) {
244 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ,
245 ERR_R_MALLOC_FAILURE);
251 if (!X509_ATTRIBUTE_set1_object(ret, obj))
253 if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len))
256 if ((attr != NULL) && (*attr == NULL))
260 if ((attr == NULL) || (ret != *attr))
261 X509_ATTRIBUTE_free(ret);
265 X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
266 const char *atrname, int type,
267 const unsigned char *bytes,
271 X509_ATTRIBUTE *nattr;
273 obj = OBJ_txt2obj(atrname, 0);
275 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT,
276 X509_R_INVALID_FIELD_NAME);
277 ERR_add_error_data(2, "name=", atrname);
280 nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len);
281 ASN1_OBJECT_free(obj);
285 int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
287 if ((attr == NULL) || (obj == NULL))
289 ASN1_OBJECT_free(attr->object);
290 attr->object = OBJ_dup(obj);
294 int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
295 const void *data, int len)
298 ASN1_STRING *stmp = NULL;
302 if (attrtype & MBSTRING_FLAG) {
303 stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
304 OBJ_obj2nid(attr->object));
306 X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_ASN1_LIB);
310 } else if (len != -1) {
311 if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL)
313 if (!ASN1_STRING_set(stmp, data, len))
318 * This is a bit naughty because the attribute should really have at
319 * least one value but some types use and zero length SET and require
324 if ((ttmp = ASN1_TYPE_new()) == NULL)
326 if ((len == -1) && !(attrtype & MBSTRING_FLAG)) {
327 if (!ASN1_TYPE_set1(ttmp, attrtype, data))
330 ASN1_TYPE_set(ttmp, atype, stmp);
331 if (!sk_ASN1_TYPE_push(attr->set, ttmp))
335 X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE);
339 int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr)
343 return sk_ASN1_TYPE_num(attr->set);
346 ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr)
350 return (attr->object);
353 void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
354 int atrtype, void *data)
357 ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
360 if (atrtype != ASN1_TYPE_get(ttmp)) {
361 X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE);
364 return ttmp->value.ptr;
367 ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx)
371 return sk_ASN1_TYPE_value(attr->set, idx);