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1/* crypto/asn1/x_attrib.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 "cryptlib.h"
61#include "objects.h"
62#include "asn1_mac.h"
63
64/*
65 * ASN1err(ASN1_F_D2I_X509_ATTRIBUTE,ASN1_R_LENGTH_MISMATCH);
66 * ASN1err(ASN1_F_X509_ATTRIBUTE_NEW,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE);
67 * ASN1err(ASN1_F_I2D_X509_ATTRIBUTE,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE);
68 */
69
70/* sequence */
71int i2d_X509_ATTRIBUTE(a,pp)
72X509_ATTRIBUTE *a;
73unsigned char **pp;
74 {
75 int k=0;
76 int r=0,ret=0;
77 unsigned char **p=NULL;
78
79 if (a == NULL) return(0);
80
81 p=NULL;
82 for (;;)
83 {
84 if (k)
85 {
86 r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
87 if (pp == NULL) return(r);
88 p=pp;
89 ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE,
90 V_ASN1_UNIVERSAL);
91 }
92
93 ret+=i2d_ASN1_OBJECT(a->object,p);
94 if (a->set)
95 ret+=i2d_ASN1_SET(a->value.set,p,i2d_ASN1_TYPE,
96 V_ASN1_SET,V_ASN1_UNIVERSAL);
97 else
98 ret+=i2d_ASN1_TYPE(a->value.single,p);
99 if (k++) return(r);
100 }
101 }
102
103X509_ATTRIBUTE *d2i_X509_ATTRIBUTE(a,pp,length)
104X509_ATTRIBUTE **a;
105unsigned char **pp;
106long length;
107 {
108 M_ASN1_D2I_vars(a,X509_ATTRIBUTE *,X509_ATTRIBUTE_new);
109
110 M_ASN1_D2I_Init();
111 M_ASN1_D2I_start_sequence();
112 M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
113
114 if ((c.slen != 0) &&
115 (M_ASN1_next == (V_ASN1_CONSTRUCTED|V_ASN1_UNIVERSAL|V_ASN1_SET)))
116 {
117 ret->set=1;
118 M_ASN1_D2I_get_set(ret->value.set,d2i_ASN1_TYPE);
119 }
120 else
121 {
122 ret->set=0;
123 M_ASN1_D2I_get(ret->value.single,d2i_ASN1_TYPE);
124 }
125
126 M_ASN1_D2I_Finish(a,X509_ATTRIBUTE_free,ASN1_F_D2I_X509_ATTRIBUTE);
127 }
128
129X509_ATTRIBUTE *X509_ATTRIBUTE_new()
130 {
131 X509_ATTRIBUTE *ret=NULL;
132
133 M_ASN1_New_Malloc(ret,X509_ATTRIBUTE);
134 M_ASN1_New(ret->object,ASN1_OBJECT_new);
135 ret->set=0;
136 ret->value.ptr=NULL;
137 return(ret);
138 M_ASN1_New_Error(ASN1_F_X509_ATTRIBUTE_NEW);
139 }
140
141void X509_ATTRIBUTE_free(a)
142X509_ATTRIBUTE *a;
143 {
144 if (a == NULL) return;
145 ASN1_OBJECT_free(a->object);
146 if (a->set)
147 sk_pop_free(a->value.set,ASN1_TYPE_free);
148 else
149 ASN1_TYPE_free(a->value.single);
150 Free((char *)a);
151 }
152
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