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 X509v3_get_ext_count(const STACK_OF(X509_EXTENSION
) *x
)
72 return (sk_X509_EXTENSION_num(x
));
75 int X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION
) *x
, int nid
,
80 obj
= OBJ_nid2obj(nid
);
83 return (X509v3_get_ext_by_OBJ(x
, obj
, lastpos
));
86 int X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION
) *sk
,
87 ASN1_OBJECT
*obj
, int lastpos
)
97 n
= sk_X509_EXTENSION_num(sk
);
98 for (; lastpos
< n
; lastpos
++) {
99 ex
= sk_X509_EXTENSION_value(sk
, lastpos
);
100 if (OBJ_cmp(ex
->object
, obj
) == 0)
106 int X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION
) *sk
, int crit
,
117 n
= sk_X509_EXTENSION_num(sk
);
118 for (; lastpos
< n
; lastpos
++) {
119 ex
= sk_X509_EXTENSION_value(sk
, lastpos
);
120 if (((ex
->critical
> 0) && crit
) || ((ex
->critical
<= 0) && !crit
))
126 X509_EXTENSION
*X509v3_get_ext(const STACK_OF(X509_EXTENSION
) *x
, int loc
)
128 if (x
== NULL
|| sk_X509_EXTENSION_num(x
) <= loc
|| loc
< 0)
131 return sk_X509_EXTENSION_value(x
, loc
);
134 X509_EXTENSION
*X509v3_delete_ext(STACK_OF(X509_EXTENSION
) *x
, int loc
)
138 if (x
== NULL
|| sk_X509_EXTENSION_num(x
) <= loc
|| loc
< 0)
140 ret
= sk_X509_EXTENSION_delete(x
, loc
);
144 STACK_OF(X509_EXTENSION
) *X509v3_add_ext(STACK_OF(X509_EXTENSION
) **x
,
145 X509_EXTENSION
*ex
, int loc
)
147 X509_EXTENSION
*new_ex
= NULL
;
149 STACK_OF(X509_EXTENSION
) *sk
= NULL
;
152 X509err(X509_F_X509V3_ADD_EXT
, ERR_R_PASSED_NULL_PARAMETER
);
157 if ((sk
= sk_X509_EXTENSION_new_null()) == NULL
)
162 n
= sk_X509_EXTENSION_num(sk
);
168 if ((new_ex
= X509_EXTENSION_dup(ex
)) == NULL
)
170 if (!sk_X509_EXTENSION_insert(sk
, new_ex
, loc
))
176 X509err(X509_F_X509V3_ADD_EXT
, ERR_R_MALLOC_FAILURE
);
178 X509_EXTENSION_free(new_ex
);
179 sk_X509_EXTENSION_free(sk
);
183 X509_EXTENSION
*X509_EXTENSION_create_by_NID(X509_EXTENSION
**ex
, int nid
,
185 ASN1_OCTET_STRING
*data
)
190 obj
= OBJ_nid2obj(nid
);
192 X509err(X509_F_X509_EXTENSION_CREATE_BY_NID
, X509_R_UNKNOWN_NID
);
195 ret
= X509_EXTENSION_create_by_OBJ(ex
, obj
, crit
, data
);
197 ASN1_OBJECT_free(obj
);
201 X509_EXTENSION
*X509_EXTENSION_create_by_OBJ(X509_EXTENSION
**ex
,
202 ASN1_OBJECT
*obj
, int crit
,
203 ASN1_OCTET_STRING
*data
)
207 if ((ex
== NULL
) || (*ex
== NULL
)) {
208 if ((ret
= X509_EXTENSION_new()) == NULL
) {
209 X509err(X509_F_X509_EXTENSION_CREATE_BY_OBJ
,
210 ERR_R_MALLOC_FAILURE
);
216 if (!X509_EXTENSION_set_object(ret
, obj
))
218 if (!X509_EXTENSION_set_critical(ret
, crit
))
220 if (!X509_EXTENSION_set_data(ret
, data
))
223 if ((ex
!= NULL
) && (*ex
== NULL
))
227 if ((ex
== NULL
) || (ret
!= *ex
))
228 X509_EXTENSION_free(ret
);
232 int X509_EXTENSION_set_object(X509_EXTENSION
*ex
, ASN1_OBJECT
*obj
)
234 if ((ex
== NULL
) || (obj
== NULL
))
236 ASN1_OBJECT_free(ex
->object
);
237 ex
->object
= OBJ_dup(obj
);
241 int X509_EXTENSION_set_critical(X509_EXTENSION
*ex
, int crit
)
245 ex
->critical
= (crit
) ? 0xFF : -1;
249 int X509_EXTENSION_set_data(X509_EXTENSION
*ex
, ASN1_OCTET_STRING
*data
)
255 i
= ASN1_OCTET_STRING_set(&ex
->value
, data
->data
, data
->length
);
261 ASN1_OBJECT
*X509_EXTENSION_get_object(X509_EXTENSION
*ex
)
268 ASN1_OCTET_STRING
*X509_EXTENSION_get_data(X509_EXTENSION
*ex
)
275 int X509_EXTENSION_get_critical(X509_EXTENSION
*ex
)
279 if (ex
->critical
> 0)