1 /* crypto/asn1/x_exten.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.]
65 * ASN1err(ASN1_F_D2I_X509_EXTENSION,ASN1_R_LENGTH_MISMATCH);
66 * ASN1err(ASN1_F_X509_EXTENSION_NEW,ASN1_R_LENGTH_MISMATCH);
69 int i2d_X509_EXTENSION(a,pp)
75 unsigned char **p=NULL;
77 if (a == NULL) return(0);
84 r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
85 if (pp == NULL) return(r);
87 ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE,
91 ret+=i2d_ASN1_OBJECT(a->object,p);
92 if ((a->critical) || a->netscape_hack)
93 ret+=i2d_ASN1_BOOLEAN(a->critical,p);
94 ret+=i2d_ASN1_OCTET_STRING(a->value,p);
99 X509_EXTENSION *d2i_X509_EXTENSION(a,pp,length)
105 M_ASN1_D2I_vars(a,X509_EXTENSION *,X509_EXTENSION_new);
108 M_ASN1_D2I_start_sequence();
109 M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
111 if ((ret->argp != NULL) && (ret->ex_free != NULL))
115 ret->netscape_hack=0;
117 (M_ASN1_next == (V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN)))
120 if (d2i_ASN1_BOOLEAN(&i,&c.p,c.slen) < 0) goto err;
123 if (ret->critical == 0) ret->netscape_hack=1;
125 M_ASN1_D2I_get(ret->value,d2i_ASN1_OCTET_STRING);
127 M_ASN1_D2I_Finish(a,X509_EXTENSION_free,ASN1_F_D2I_X509_EXTENSION);
130 X509_EXTENSION *X509_EXTENSION_new()
132 X509_EXTENSION *ret=NULL;
134 M_ASN1_New_Malloc(ret,X509_EXTENSION);
135 M_ASN1_New(ret->object,ASN1_OBJECT_new);
136 M_ASN1_New(ret->value,ASN1_OCTET_STRING_new);
138 ret->netscape_hack=0;
143 M_ASN1_New_Error(ASN1_F_X509_EXTENSION_NEW);
146 void X509_EXTENSION_free(a)
149 if (a == NULL) return;
150 if ((a->argp != NULL) && (a->ex_free != NULL))
152 ASN1_OBJECT_free(a->object);
153 ASN1_OCTET_STRING_free(a->value);