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58964a49 RE |
1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
2 | * All rights reserved. | |
3 | * | |
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. | |
0f113f3e | 7 | * |
58964a49 RE |
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). | |
0f113f3e | 14 | * |
58964a49 RE |
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. | |
0f113f3e | 21 | * |
58964a49 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
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 :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
58964a49 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
58964a49 RE |
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 | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
58964a49 RE |
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.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
b39fc560 | 59 | #include "internal/cryptlib.h" |
ec577822 | 60 | #include <openssl/asn1.h> |
b9395187 | 61 | #include <openssl/asn1t.h> |
58964a49 | 62 | |
6343829a | 63 | int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len) |
0f113f3e MC |
64 | { |
65 | ASN1_STRING *os; | |
66 | ||
f422a514 | 67 | if ((os = ASN1_OCTET_STRING_new()) == NULL) |
0f113f3e | 68 | return (0); |
f422a514 DSH |
69 | if (!ASN1_OCTET_STRING_set(os, data, len)) { |
70 | ASN1_OCTET_STRING_free(os); | |
0f113f3e MC |
71 | return 0; |
72 | } | |
73 | ASN1_TYPE_set(a, V_ASN1_OCTET_STRING, os); | |
74 | return (1); | |
75 | } | |
58964a49 | 76 | |
6b691a5c | 77 | /* int max_len: for returned value */ |
0f113f3e MC |
78 | int ASN1_TYPE_get_octetstring(ASN1_TYPE *a, unsigned char *data, int max_len) |
79 | { | |
80 | int ret, num; | |
81 | unsigned char *p; | |
82 | ||
83 | if ((a->type != V_ASN1_OCTET_STRING) || (a->value.octet_string == NULL)) { | |
84 | ASN1err(ASN1_F_ASN1_TYPE_GET_OCTETSTRING, ASN1_R_DATA_IS_WRONG); | |
85 | return (-1); | |
86 | } | |
f422a514 DSH |
87 | p = ASN1_STRING_data(a->value.octet_string); |
88 | ret = ASN1_STRING_length(a->value.octet_string); | |
0f113f3e MC |
89 | if (ret < max_len) |
90 | num = ret; | |
91 | else | |
92 | num = max_len; | |
93 | memcpy(data, p, num); | |
94 | return (ret); | |
95 | } | |
58964a49 | 96 | |
b9395187 DSH |
97 | typedef struct { |
98 | long num; | |
99 | ASN1_OCTET_STRING *oct; | |
100 | } asn1_int_oct; | |
0f113f3e | 101 | |
b9395187 DSH |
102 | ASN1_SEQUENCE(asn1_int_oct) = { |
103 | ASN1_SIMPLE(asn1_int_oct, num, LONG), | |
104 | ASN1_SIMPLE(asn1_int_oct, oct, ASN1_OCTET_STRING) | |
df2ee0e2 | 105 | } static_ASN1_SEQUENCE_END(asn1_int_oct) |
0f113f3e | 106 | |
b9395187 | 107 | DECLARE_ASN1_ITEM(asn1_int_oct) |
0f113f3e | 108 | |
b9395187 DSH |
109 | int ASN1_TYPE_set_int_octetstring(ASN1_TYPE *a, long num, unsigned char *data, |
110 | int len) | |
111 | { | |
112 | asn1_int_oct atmp; | |
113 | ASN1_OCTET_STRING oct; | |
114 | ||
115 | atmp.num = num; | |
116 | atmp.oct = &oct; | |
117 | oct.data = data; | |
118 | oct.type = V_ASN1_OCTET_STRING; | |
119 | oct.length = len; | |
120 | oct.flags = 0; | |
121 | ||
122 | if (ASN1_TYPE_pack_sequence(ASN1_ITEM_rptr(asn1_int_oct), &atmp, &a)) | |
123 | return 1; | |
124 | return 0; | |
0f113f3e MC |
125 | } |
126 | ||
127 | /* | |
b9395187 | 128 | * we return the actual length... |
0f113f3e | 129 | */ |
6b691a5c | 130 | /* int max_len: for returned value */ |
0f113f3e MC |
131 | int ASN1_TYPE_get_int_octetstring(ASN1_TYPE *a, long *num, |
132 | unsigned char *data, int max_len) | |
133 | { | |
b9395187 | 134 | asn1_int_oct *atmp = NULL; |
0f113f3e | 135 | int ret = -1, n; |
0f113f3e MC |
136 | |
137 | if ((a->type != V_ASN1_SEQUENCE) || (a->value.sequence == NULL)) { | |
138 | goto err; | |
139 | } | |
0f113f3e | 140 | |
b9395187 | 141 | atmp = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(asn1_int_oct), a); |
0f113f3e | 142 | |
b9395187 | 143 | if (atmp == NULL) |
0f113f3e MC |
144 | goto err; |
145 | ||
146 | if (num != NULL) | |
b9395187 | 147 | *num = atmp->num; |
0f113f3e | 148 | |
b9395187 | 149 | ret = ASN1_STRING_length(atmp->oct); |
0f113f3e MC |
150 | if (max_len > ret) |
151 | n = ret; | |
152 | else | |
153 | n = max_len; | |
154 | ||
155 | if (data != NULL) | |
b9395187 DSH |
156 | memcpy(data, ASN1_STRING_data(atmp->oct), n); |
157 | if (ret == -1) { | |
0f113f3e MC |
158 | err: |
159 | ASN1err(ASN1_F_ASN1_TYPE_GET_INT_OCTETSTRING, ASN1_R_DATA_IS_WRONG); | |
160 | } | |
b9395187 DSH |
161 | M_ASN1_free_of(atmp, asn1_int_oct); |
162 | return ret; | |
0f113f3e | 163 | } |