1 /* crypto/x509/x509_att.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
60 #include <openssl/stack.h>
62 #include <openssl/asn1.h>
63 #include <openssl/objects.h>
64 #include <openssl/evp.h>
65 #include <openssl/x509.h>
66 #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 if (new_attr
!= NULL
)
150 X509_ATTRIBUTE_free(new_attr
);
152 sk_X509_ATTRIBUTE_free(sk
);
156 STACK_OF(X509_ATTRIBUTE
) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE
)
157 **x
, const ASN1_OBJECT
*obj
,
159 const unsigned char *bytes
,
162 X509_ATTRIBUTE
*attr
;
163 STACK_OF(X509_ATTRIBUTE
) *ret
;
164 attr
= X509_ATTRIBUTE_create_by_OBJ(NULL
, obj
, type
, bytes
, len
);
167 ret
= X509at_add1_attr(x
, attr
);
168 X509_ATTRIBUTE_free(attr
);
172 STACK_OF(X509_ATTRIBUTE
) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE
)
173 **x
, int nid
, int type
,
174 const unsigned char *bytes
,
177 X509_ATTRIBUTE
*attr
;
178 STACK_OF(X509_ATTRIBUTE
) *ret
;
179 attr
= X509_ATTRIBUTE_create_by_NID(NULL
, nid
, type
, bytes
, len
);
182 ret
= X509at_add1_attr(x
, attr
);
183 X509_ATTRIBUTE_free(attr
);
187 STACK_OF(X509_ATTRIBUTE
) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE
)
188 **x
, const char *attrname
,
190 const unsigned char *bytes
,
193 X509_ATTRIBUTE
*attr
;
194 STACK_OF(X509_ATTRIBUTE
) *ret
;
195 attr
= X509_ATTRIBUTE_create_by_txt(NULL
, attrname
, type
, bytes
, len
);
198 ret
= X509at_add1_attr(x
, attr
);
199 X509_ATTRIBUTE_free(attr
);
203 void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE
) *x
,
204 ASN1_OBJECT
*obj
, int lastpos
, int type
)
208 i
= X509at_get_attr_by_OBJ(x
, obj
, lastpos
);
211 if ((lastpos
<= -2) && (X509at_get_attr_by_OBJ(x
, obj
, i
) != -1))
213 at
= X509at_get_attr(x
, i
);
214 if (lastpos
<= -3 && (X509_ATTRIBUTE_count(at
) != 1))
216 return X509_ATTRIBUTE_get0_data(at
, 0, type
, NULL
);
219 X509_ATTRIBUTE
*X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE
**attr
, int nid
,
220 int atrtype
, const void *data
,
226 obj
= OBJ_nid2obj(nid
);
228 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID
, X509_R_UNKNOWN_NID
);
231 ret
= X509_ATTRIBUTE_create_by_OBJ(attr
, obj
, atrtype
, data
, len
);
233 ASN1_OBJECT_free(obj
);
237 X509_ATTRIBUTE
*X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE
**attr
,
238 const ASN1_OBJECT
*obj
,
239 int atrtype
, const void *data
,
244 if ((attr
== NULL
) || (*attr
== NULL
)) {
245 if ((ret
= X509_ATTRIBUTE_new()) == NULL
) {
246 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ
,
247 ERR_R_MALLOC_FAILURE
);
253 if (!X509_ATTRIBUTE_set1_object(ret
, obj
))
255 if (!X509_ATTRIBUTE_set1_data(ret
, atrtype
, data
, len
))
258 if ((attr
!= NULL
) && (*attr
== NULL
))
262 if ((attr
== NULL
) || (ret
!= *attr
))
263 X509_ATTRIBUTE_free(ret
);
267 X509_ATTRIBUTE
*X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE
**attr
,
268 const char *atrname
, int type
,
269 const unsigned char *bytes
,
273 X509_ATTRIBUTE
*nattr
;
275 obj
= OBJ_txt2obj(atrname
, 0);
277 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT
,
278 X509_R_INVALID_FIELD_NAME
);
279 ERR_add_error_data(2, "name=", atrname
);
282 nattr
= X509_ATTRIBUTE_create_by_OBJ(attr
, obj
, type
, bytes
, len
);
283 ASN1_OBJECT_free(obj
);
287 int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE
*attr
, const ASN1_OBJECT
*obj
)
289 if ((attr
== NULL
) || (obj
== NULL
))
291 ASN1_OBJECT_free(attr
->object
);
292 attr
->object
= OBJ_dup(obj
);
296 int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE
*attr
, int attrtype
,
297 const void *data
, int len
)
300 ASN1_STRING
*stmp
= NULL
;
304 if (attrtype
& MBSTRING_FLAG
) {
305 stmp
= ASN1_STRING_set_by_NID(NULL
, data
, len
, attrtype
,
306 OBJ_obj2nid(attr
->object
));
308 X509err(X509_F_X509_ATTRIBUTE_SET1_DATA
, ERR_R_ASN1_LIB
);
312 } else if (len
!= -1) {
313 if (!(stmp
= ASN1_STRING_type_new(attrtype
)))
315 if (!ASN1_STRING_set(stmp
, data
, len
))
319 if (!(attr
->value
.set
= sk_ASN1_TYPE_new_null()))
323 * This is a bit naughty because the attribute should really have at
324 * least one value but some types use and zero length SET and require
329 if (!(ttmp
= ASN1_TYPE_new()))
331 if ((len
== -1) && !(attrtype
& MBSTRING_FLAG
)) {
332 if (!ASN1_TYPE_set1(ttmp
, attrtype
, data
))
335 ASN1_TYPE_set(ttmp
, atype
, stmp
);
336 if (!sk_ASN1_TYPE_push(attr
->value
.set
, ttmp
))
340 X509err(X509_F_X509_ATTRIBUTE_SET1_DATA
, ERR_R_MALLOC_FAILURE
);
344 int X509_ATTRIBUTE_count(X509_ATTRIBUTE
*attr
)
347 return sk_ASN1_TYPE_num(attr
->value
.set
);
348 if (attr
->value
.single
)
353 ASN1_OBJECT
*X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE
*attr
)
357 return (attr
->object
);
360 void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE
*attr
, int idx
,
361 int atrtype
, void *data
)
364 ttmp
= X509_ATTRIBUTE_get0_type(attr
, idx
);
367 if (atrtype
!= ASN1_TYPE_get(ttmp
)) {
368 X509err(X509_F_X509_ATTRIBUTE_GET0_DATA
, X509_R_WRONG_TYPE
);
371 return ttmp
->value
.ptr
;
374 ASN1_TYPE
*X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE
*attr
, int idx
)
378 if (idx
>= X509_ATTRIBUTE_count(attr
))
381 return sk_ASN1_TYPE_value(attr
->value
.set
, idx
);
383 return attr
->value
.single
;