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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 | 65 | int 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) | |
87 | ret+=i2d_ASN1_SET(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 |
95 | X509_ATTRIBUTE *d2i_X509_ATTRIBUTE(X509_ATTRIBUTE **a, unsigned char **pp, |
96 | long length) | |
d02b48c6 RE |
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; | |
dfeab068 | 108 | M_ASN1_D2I_get_set(ret->value.set,d2i_ASN1_TYPE,ASN1_TYPE_free); |
d02b48c6 RE |
109 | } |
110 | else | |
111 | { | |
112 | ret->set=0; | |
113 | M_ASN1_D2I_get(ret->value.single,d2i_ASN1_TYPE); | |
114 | } | |
115 | ||
116 | M_ASN1_D2I_Finish(a,X509_ATTRIBUTE_free,ASN1_F_D2I_X509_ATTRIBUTE); | |
117 | } | |
118 | ||
6b691a5c | 119 | X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, char *value) |
dfeab068 RE |
120 | { |
121 | X509_ATTRIBUTE *ret=NULL; | |
122 | ASN1_TYPE *val=NULL; | |
123 | ||
124 | if ((ret=X509_ATTRIBUTE_new()) == NULL) | |
125 | return(NULL); | |
126 | ret->object=OBJ_nid2obj(nid); | |
127 | ret->set=1; | |
128 | if ((ret->value.set=sk_new_null()) == NULL) goto err; | |
129 | if ((val=ASN1_TYPE_new()) == NULL) goto err; | |
130 | if (!sk_push(ret->value.set,(char *)val)) goto err; | |
131 | ||
132 | ASN1_TYPE_set(val,atrtype,value); | |
133 | return(ret); | |
134 | err: | |
135 | if (ret != NULL) X509_ATTRIBUTE_free(ret); | |
136 | if (val != NULL) ASN1_TYPE_free(val); | |
137 | return(NULL); | |
138 | } | |
139 | ||
6b691a5c | 140 | X509_ATTRIBUTE *X509_ATTRIBUTE_new(void) |
d02b48c6 RE |
141 | { |
142 | X509_ATTRIBUTE *ret=NULL; | |
dfeab068 | 143 | ASN1_CTX c; |
d02b48c6 RE |
144 | |
145 | M_ASN1_New_Malloc(ret,X509_ATTRIBUTE); | |
dfeab068 | 146 | ret->object=OBJ_nid2obj(NID_undef); |
d02b48c6 RE |
147 | ret->set=0; |
148 | ret->value.ptr=NULL; | |
149 | return(ret); | |
150 | M_ASN1_New_Error(ASN1_F_X509_ATTRIBUTE_NEW); | |
151 | } | |
152 | ||
6b691a5c | 153 | void X509_ATTRIBUTE_free(X509_ATTRIBUTE *a) |
d02b48c6 RE |
154 | { |
155 | if (a == NULL) return; | |
156 | ASN1_OBJECT_free(a->object); | |
157 | if (a->set) | |
158 | sk_pop_free(a->value.set,ASN1_TYPE_free); | |
159 | else | |
160 | ASN1_TYPE_free(a->value.single); | |
161 | Free((char *)a); | |
162 | } | |
163 |