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diff --git a/src/lib/libcrypto/asn1/asn1_old.c b/src/lib/libcrypto/asn1/asn1_old.c
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1/* $OpenBSD: asn1_old.c,v 1.6 2024/04/10 14:55:12 beck Exp $ */
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 <limits.h>
60#include <stdio.h>
61
62#include <openssl/asn1.h>
63#include <openssl/buffer.h>
64#include <openssl/err.h>
65
66#include "asn1_local.h"
67
68#ifndef NO_OLD_ASN1
69
70void *
71ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, void *x)
72{
73 unsigned char *b, *p;
74 const unsigned char *p2;
75 int i;
76 char *ret;
77
78 if (x == NULL)
79 return (NULL);
80
81 i = i2d(x, NULL);
82 b = malloc(i + 10);
83 if (b == NULL) {
84 ASN1error(ERR_R_MALLOC_FAILURE);
85 return (NULL);
86 }
87 p = b;
88 i = i2d(x, &p);
89 p2 = b;
90 ret = d2i(NULL, &p2, i);
91 free(b);
92 return (ret);
93}
94LCRYPTO_ALIAS(ASN1_dup);
95
96void *
97ASN1_d2i_fp(void *(*xnew)(void), d2i_of_void *d2i, FILE *in, void **x)
98{
99 BIO *b;
100 void *ret;
101
102 if ((b = BIO_new(BIO_s_file())) == NULL) {
103 ASN1error(ERR_R_BUF_LIB);
104 return (NULL);
105 }
106 BIO_set_fp(b, in, BIO_NOCLOSE);
107 ret = ASN1_d2i_bio(xnew, d2i, b, x);
108 BIO_free(b);
109 return (ret);
110}
111LCRYPTO_ALIAS(ASN1_d2i_fp);
112
113void *
114ASN1_d2i_bio(void *(*xnew)(void), d2i_of_void *d2i, BIO *in, void **x)
115{
116 BUF_MEM *b = NULL;
117 const unsigned char *p;
118 void *ret = NULL;
119 int len;
120
121 len = asn1_d2i_read_bio(in, &b);
122 if (len < 0)
123 goto err;
124
125 p = (unsigned char *)b->data;
126 ret = d2i(x, &p, len);
127
128 err:
129 if (b != NULL)
130 BUF_MEM_free(b);
131 return (ret);
132}
133LCRYPTO_ALIAS(ASN1_d2i_bio);
134
135int
136ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
137{
138 BIO *b;
139 int ret;
140
141 if ((b = BIO_new(BIO_s_file())) == NULL) {
142 ASN1error(ERR_R_BUF_LIB);
143 return (0);
144 }
145 BIO_set_fp(b, out, BIO_NOCLOSE);
146 ret = ASN1_i2d_bio(i2d, b, x);
147 BIO_free(b);
148 return (ret);
149}
150LCRYPTO_ALIAS(ASN1_i2d_fp);
151
152int
153ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x)
154{
155 char *b;
156 unsigned char *p;
157 int i, j = 0, n, ret = 1;
158
159 n = i2d(x, NULL);
160 b = malloc(n);
161 if (b == NULL) {
162 ASN1error(ERR_R_MALLOC_FAILURE);
163 return (0);
164 }
165
166 p = (unsigned char *)b;
167 i2d(x, &p);
168
169 for (;;) {
170 i = BIO_write(out, &(b[j]), n);
171 if (i == n)
172 break;
173 if (i <= 0) {
174 ret = 0;
175 break;
176 }
177 j += i;
178 n -= i;
179 }
180 free(b);
181 return (ret);
182}
183LCRYPTO_ALIAS(ASN1_i2d_bio);
184
185#endif
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