155714Skris/* crypto/asn1/a_i2d_fp.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. 8296465Sdelphij * 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). 15296465Sdelphij * 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. 22296465Sdelphij * 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 :-). 37296465Sdelphij * 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)" 40296465Sdelphij * 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. 52296465Sdelphij * 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" 6155714Skris#include <openssl/buffer.h> 62109998Smarkm#include <openssl/asn1.h> 6355714Skris 64109998Smarkm#ifndef NO_OLD_ASN1 65109998Smarkm 66296465Sdelphij# ifndef OPENSSL_NO_FP_API 67160814Ssimonint ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x) 68296465Sdelphij{ 69296465Sdelphij BIO *b; 70296465Sdelphij int ret; 7155714Skris 72296465Sdelphij if ((b = BIO_new(BIO_s_file())) == NULL) { 73296465Sdelphij ASN1err(ASN1_F_ASN1_I2D_FP, ERR_R_BUF_LIB); 74296465Sdelphij return (0); 75296465Sdelphij } 76296465Sdelphij BIO_set_fp(b, out, BIO_NOCLOSE); 77296465Sdelphij ret = ASN1_i2d_bio(i2d, b, x); 78296465Sdelphij BIO_free(b); 79296465Sdelphij return (ret); 80296465Sdelphij} 81296465Sdelphij# endif 8255714Skris 83160814Ssimonint ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x) 84296465Sdelphij{ 85296465Sdelphij char *b; 86296465Sdelphij unsigned char *p; 87296465Sdelphij int i, j = 0, n, ret = 1; 8855714Skris 89296465Sdelphij n = i2d(x, NULL); 90296465Sdelphij b = (char *)OPENSSL_malloc(n); 91296465Sdelphij if (b == NULL) { 92296465Sdelphij ASN1err(ASN1_F_ASN1_I2D_BIO, ERR_R_MALLOC_FAILURE); 93296465Sdelphij return (0); 94296465Sdelphij } 9555714Skris 96296465Sdelphij p = (unsigned char *)b; 97296465Sdelphij i2d(x, &p); 98109998Smarkm 99296465Sdelphij for (;;) { 100296465Sdelphij i = BIO_write(out, &(b[j]), n); 101296465Sdelphij if (i == n) 102296465Sdelphij break; 103296465Sdelphij if (i <= 0) { 104296465Sdelphij ret = 0; 105296465Sdelphij break; 106296465Sdelphij } 107296465Sdelphij j += i; 108296465Sdelphij n -= i; 109296465Sdelphij } 110296465Sdelphij OPENSSL_free(b); 111296465Sdelphij return (ret); 112296465Sdelphij} 113296465Sdelphij 114109998Smarkm#endif 115109998Smarkm 116109998Smarkm#ifndef OPENSSL_NO_FP_API 117109998Smarkmint ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x) 118296465Sdelphij{ 119296465Sdelphij BIO *b; 120296465Sdelphij int ret; 121109998Smarkm 122296465Sdelphij if ((b = BIO_new(BIO_s_file())) == NULL) { 123296465Sdelphij ASN1err(ASN1_F_ASN1_ITEM_I2D_FP, ERR_R_BUF_LIB); 124296465Sdelphij return (0); 125296465Sdelphij } 126296465Sdelphij BIO_set_fp(b, out, BIO_NOCLOSE); 127296465Sdelphij ret = ASN1_item_i2d_bio(it, b, x); 128296465Sdelphij BIO_free(b); 129296465Sdelphij return (ret); 130296465Sdelphij} 131109998Smarkm#endif 132109998Smarkm 133109998Smarkmint ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x) 134296465Sdelphij{ 135296465Sdelphij unsigned char *b = NULL; 136296465Sdelphij int i, j = 0, n, ret = 1; 137109998Smarkm 138296465Sdelphij n = ASN1_item_i2d(x, &b, it); 139296465Sdelphij if (b == NULL) { 140296465Sdelphij ASN1err(ASN1_F_ASN1_ITEM_I2D_BIO, ERR_R_MALLOC_FAILURE); 141296465Sdelphij return (0); 142296465Sdelphij } 143109998Smarkm 144296465Sdelphij for (;;) { 145296465Sdelphij i = BIO_write(out, &(b[j]), n); 146296465Sdelphij if (i == n) 147296465Sdelphij break; 148296465Sdelphij if (i <= 0) { 149296465Sdelphij ret = 0; 150296465Sdelphij break; 151296465Sdelphij } 152296465Sdelphij j += i; 153296465Sdelphij n -= i; 154296465Sdelphij } 155296465Sdelphij OPENSSL_free(b); 156296465Sdelphij return (ret); 157296465Sdelphij} 158