155714Skris/* crypto/asn1/a_bool.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8280297Sjkim * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15280297Sjkim * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22280297Sjkim * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37280297Sjkim * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40280297Sjkim * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52280297Sjkim * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#include <stdio.h> 6055714Skris#include "cryptlib.h" 61109998Smarkm#include <openssl/asn1t.h> 6255714Skris 6355714Skrisint i2d_ASN1_BOOLEAN(int a, unsigned char **pp) 64280297Sjkim{ 65280297Sjkim int r; 66337982Sjkim unsigned char *p, *allocated = NULL; 6755714Skris 68280297Sjkim r = ASN1_object_size(0, 1, V_ASN1_BOOLEAN); 69280297Sjkim if (pp == NULL) 70280297Sjkim return (r); 7155714Skris 72337982Sjkim if (*pp == NULL) { 73337982Sjkim if ((p = allocated = OPENSSL_malloc(r)) == NULL) { 74337982Sjkim ASN1err(ASN1_F_I2D_ASN1_BOOLEAN, ERR_R_MALLOC_FAILURE); 75337982Sjkim return 0; 76337982Sjkim } 77337982Sjkim } else { 78337982Sjkim p = *pp; 79337982Sjkim } 80337982Sjkim 81280297Sjkim ASN1_put_object(&p, 0, 1, V_ASN1_BOOLEAN, V_ASN1_UNIVERSAL); 82337982Sjkim *p = (unsigned char)a; 83337982Sjkim 84337982Sjkim 85337982Sjkim /* 86337982Sjkim * If a new buffer was allocated, just return it back. 87337982Sjkim * If not, return the incremented buffer pointer. 88337982Sjkim */ 89337982Sjkim *pp = allocated != NULL ? allocated : p + 1; 90337982Sjkim return r; 91280297Sjkim} 9255714Skris 93160814Ssimonint d2i_ASN1_BOOLEAN(int *a, const unsigned char **pp, long length) 94280297Sjkim{ 95280297Sjkim int ret = -1; 96280297Sjkim const unsigned char *p; 97280297Sjkim long len; 98280297Sjkim int inf, tag, xclass; 99280297Sjkim int i = 0; 10055714Skris 101280297Sjkim p = *pp; 102280297Sjkim inf = ASN1_get_object(&p, &len, &tag, &xclass, length); 103280297Sjkim if (inf & 0x80) { 104280297Sjkim i = ASN1_R_BAD_OBJECT_HEADER; 105280297Sjkim goto err; 106280297Sjkim } 10755714Skris 108280297Sjkim if (tag != V_ASN1_BOOLEAN) { 109280297Sjkim i = ASN1_R_EXPECTING_A_BOOLEAN; 110280297Sjkim goto err; 111280297Sjkim } 11255714Skris 113280297Sjkim if (len != 1) { 114280297Sjkim i = ASN1_R_BOOLEAN_IS_WRONG_LENGTH; 115280297Sjkim goto err; 116280297Sjkim } 117280297Sjkim ret = (int)*(p++); 118280297Sjkim if (a != NULL) 119280297Sjkim (*a) = ret; 120280297Sjkim *pp = p; 121280297Sjkim return (ret); 122280297Sjkim err: 123280297Sjkim ASN1err(ASN1_F_D2I_ASN1_BOOLEAN, i); 124280297Sjkim return (ret); 125280297Sjkim} 126