]> git.ipfire.org Git - thirdparty/openssl.git/blame - crypto/asn1/x_attrib.c
Kill evil casts, fix PKCS#7 and add new X509V3 Function.
[thirdparty/openssl.git] / crypto / asn1 / x_attrib.c
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d02b48c6 1/* crypto/asn1/x_attrib.c */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE
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"
ec577822
BM
61#include <openssl/objects.h>
62#include <openssl/asn1_mac.h>
d02b48c6 63
d02b48c6 64/* sequence */
6b691a5c 65int i2d_X509_ATTRIBUTE(X509_ATTRIBUTE *a, unsigned char **pp)
d02b48c6
RE
66 {
67 int k=0;
68 int r=0,ret=0;
69 unsigned char **p=NULL;
70
71 if (a == NULL) return(0);
72
73 p=NULL;
74 for (;;)
75 {
76 if (k)
77 {
78 r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
79 if (pp == NULL) return(r);
80 p=pp;
81 ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE,
82 V_ASN1_UNIVERSAL);
83 }
84
85 ret+=i2d_ASN1_OBJECT(a->object,p);
86 if (a->set)
d35ea5b0 87 ret+=i2d_ASN1_SET_OF_ASN1_TYPE(a->value.set,p,i2d_ASN1_TYPE,
4098e89c 88 V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
d02b48c6
RE
89 else
90 ret+=i2d_ASN1_TYPE(a->value.single,p);
91 if (k++) return(r);
92 }
93 }
94
6b691a5c
UM
95X509_ATTRIBUTE *d2i_X509_ATTRIBUTE(X509_ATTRIBUTE **a, unsigned char **pp,
96 long length)
d02b48c6
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97 {
98 M_ASN1_D2I_vars(a,X509_ATTRIBUTE *,X509_ATTRIBUTE_new);
99
100 M_ASN1_D2I_Init();
101 M_ASN1_D2I_start_sequence();
102 M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
103
104 if ((c.slen != 0) &&
105 (M_ASN1_next == (V_ASN1_CONSTRUCTED|V_ASN1_UNIVERSAL|V_ASN1_SET)))
106 {
107 ret->set=1;
d35ea5b0
BL
108 M_ASN1_D2I_get_set_type(ASN1_TYPE,ret->value.set,d2i_ASN1_TYPE,
109 ASN1_TYPE_free);
d02b48c6
RE
110 }
111 else
112 {
113 ret->set=0;
114 M_ASN1_D2I_get(ret->value.single,d2i_ASN1_TYPE);
115 }
116
117 M_ASN1_D2I_Finish(a,X509_ATTRIBUTE_free,ASN1_F_D2I_X509_ATTRIBUTE);
118 }
119
c8b41850 120X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
dfeab068
RE
121 {
122 X509_ATTRIBUTE *ret=NULL;
123 ASN1_TYPE *val=NULL;
124
125 if ((ret=X509_ATTRIBUTE_new()) == NULL)
126 return(NULL);
127 ret->object=OBJ_nid2obj(nid);
128 ret->set=1;
d35ea5b0 129 if ((ret->value.set=sk_ASN1_TYPE_new_null()) == NULL) goto err;
dfeab068 130 if ((val=ASN1_TYPE_new()) == NULL) goto err;
d35ea5b0 131 if (!sk_ASN1_TYPE_push(ret->value.set,val)) goto err;
dfeab068
RE
132
133 ASN1_TYPE_set(val,atrtype,value);
134 return(ret);
135err:
136 if (ret != NULL) X509_ATTRIBUTE_free(ret);
137 if (val != NULL) ASN1_TYPE_free(val);
138 return(NULL);
139 }
140
6b691a5c 141X509_ATTRIBUTE *X509_ATTRIBUTE_new(void)
d02b48c6
RE
142 {
143 X509_ATTRIBUTE *ret=NULL;
dfeab068 144 ASN1_CTX c;
d02b48c6
RE
145
146 M_ASN1_New_Malloc(ret,X509_ATTRIBUTE);
dfeab068 147 ret->object=OBJ_nid2obj(NID_undef);
d02b48c6
RE
148 ret->set=0;
149 ret->value.ptr=NULL;
150 return(ret);
151 M_ASN1_New_Error(ASN1_F_X509_ATTRIBUTE_NEW);
152 }
153
6b691a5c 154void X509_ATTRIBUTE_free(X509_ATTRIBUTE *a)
d02b48c6
RE
155 {
156 if (a == NULL) return;
157 ASN1_OBJECT_free(a->object);
158 if (a->set)
d35ea5b0 159 sk_ASN1_TYPE_pop_free(a->value.set,ASN1_TYPE_free);
d02b48c6
RE
160 else
161 ASN1_TYPE_free(a->value.single);
162 Free((char *)a);
163 }
164