1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 int i2d_ASN1_BOOLEAN(int a, unsigned char **pp) 63 { 64 int r; 65 unsigned char *p; 66 67 r = ASN1_object_size(0, 1, V_ASN1_BOOLEAN); 68 if (pp == NULL) 69 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 78 int 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 i = ASN1_R_BAD_OBJECT_HEADER; 90 goto err; 91 } 92 93 if (tag != V_ASN1_BOOLEAN) { 94 i = ASN1_R_EXPECTING_A_BOOLEAN; 95 goto err; 96 } 97 98 if (len != 1) { 99 i = ASN1_R_BOOLEAN_IS_WRONG_LENGTH; 100 goto err; 101 } 102 ret = (int)*(p++); 103 if (a != NULL) 104 (*a) = ret; 105 *pp = p; 106 return (ret); 107 err: 108 OPENSSL_PUT_ERROR(ASN1, i); 109 return (ret); 110 } 111