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.
7 *
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).
14 *
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.
21 *
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 :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 *    the apps directory (application code) you must include an acknowledgement:
38 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
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.
51 *
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#include <openssl/asn1.h>
58
59#include <openssl/err.h>
60#include <openssl/mem.h>
61
62
63int i2d_ASN1_BOOLEAN(int a, unsigned char **pp)
64	{
65	int r;
66	unsigned char *p;
67
68	r=ASN1_object_size(0,1,V_ASN1_BOOLEAN);
69	if (pp == NULL) return(r);
70	p= *pp;
71
72	ASN1_put_object(&p,0,1,V_ASN1_BOOLEAN,V_ASN1_UNIVERSAL);
73	*(p++)= (unsigned char)a;
74	*pp=p;
75	return(r);
76	}
77
78int d2i_ASN1_BOOLEAN(int *a, const unsigned char **pp, long length)
79	{
80	int ret= -1;
81	const unsigned char *p;
82	long len;
83	int inf,tag,xclass;
84	int i=0;
85
86	p= *pp;
87	inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
88	if (inf & 0x80)
89		{
90		i=ASN1_R_BAD_OBJECT_HEADER;
91		goto err;
92		}
93
94	if (tag != V_ASN1_BOOLEAN)
95		{
96		i=ASN1_R_EXPECTING_A_BOOLEAN;
97		goto err;
98		}
99
100	if (len != 1)
101		{
102		i=ASN1_R_BOOLEAN_IS_WRONG_LENGTH;
103		goto err;
104		}
105	ret= (int)*(p++);
106	if (a != NULL) (*a)=ret;
107	*pp=p;
108	return(ret);
109err:
110	OPENSSL_PUT_ERROR(ASN1, d2i_ASN1_BOOLEAN, i);
111	return(ret);
112	}
113