1c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* crypto/asn1/a_i2d_fp.c */ 2c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * All rights reserved. 4c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 5c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This package is an SSL implementation written 6c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * by Eric Young (eay@cryptsoft.com). 7c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The implementation was written so as to conform with Netscapes SSL. 8c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 9c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This library is free for commercial and non-commercial use as long as 10c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the following conditions are aheared to. The following conditions 11c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * apply to all code found in this distribution, be it the RC4, RSA, 12c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * included with this distribution is covered by the same copyright terms 14c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 16c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Copyright remains Eric Young's, and as such any Copyright notices in 17c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the code are not to be removed. 18c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * If this package is used in a product, Eric Young should be given attribution 19c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * as the author of the parts of the library used. 20c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This can be in the form of a textual message at program startup or 21c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * in documentation (online or textual) provided with the package. 22c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 23c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Redistribution and use in source and binary forms, with or without 24c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * modification, are permitted provided that the following conditions 25c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * are met: 26c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 1. Redistributions of source code must retain the copyright 27c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer. 28c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 29c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer in the 30c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * documentation and/or other materials provided with the distribution. 31c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 3. All advertising materials mentioning features or use of this software 32c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * must display the following acknowledgement: 33c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes cryptographic software written by 34c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Eric Young (eay@cryptsoft.com)" 35c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The word 'cryptographic' can be left out if the rouines from the library 36c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * being used are not cryptographic related :-). 37c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 4. If you include any Windows specific code (or a derivative thereof) from 38c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the apps directory (application code) you must include an acknowledgement: 39c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 41c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * SUCH DAMAGE. 52c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 53c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * The licence and distribution terms for any publically available version or 54c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * derivative of this code cannot be changed. i.e. this code cannot simply be 55c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * copied and put under another distribution licence 56c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * [including the GNU Public Licence.] 57c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 58c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 59c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <stdio.h> 60c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include "cryptlib.h" 61c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/buffer.h> 62c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/asn1.h> 63c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 64c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef NO_OLD_ASN1 65c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 66c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_FP_API 67c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x) 68c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 69c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *b; 70c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ret; 71c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 72c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((b=BIO_new(BIO_s_file())) == NULL) 73c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 74c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_ASN1_I2D_FP,ERR_R_BUF_LIB); 75c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(0); 76c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 77c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_set_fp(b,out,BIO_NOCLOSE); 78c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret=ASN1_i2d_bio(i2d,b,x); 79c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_free(b); 80c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(ret); 81c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 82c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 83c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 84c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x) 85c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 86c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *b; 87c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org unsigned char *p; 88c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i,j=0,n,ret=1; 89c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 90c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org n=i2d(x,NULL); 91c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org b=(char *)OPENSSL_malloc(n); 92c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (b == NULL) 93c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 94c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_ASN1_I2D_BIO,ERR_R_MALLOC_FAILURE); 95c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(0); 96c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 97c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 98c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org p=(unsigned char *)b; 99c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i2d(x,&p); 100c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 101c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (;;) 102c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 103c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=BIO_write(out,&(b[j]),n); 104c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i == n) break; 105c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i <= 0) 106c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 107c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret=0; 108c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 109c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 110c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org j+=i; 111c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org n-=i; 112c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 113c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org OPENSSL_free(b); 114c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(ret); 115c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 116c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 117c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 118c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 119c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_FP_API 120c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x) 121c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 122c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *b; 123c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int ret; 124c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 125c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((b=BIO_new(BIO_s_file())) == NULL) 126c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 127c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_ASN1_ITEM_I2D_FP,ERR_R_BUF_LIB); 128c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(0); 129c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 130c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_set_fp(b,out,BIO_NOCLOSE); 131c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret=ASN1_item_i2d_bio(it,b,x); 132c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_free(b); 133c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(ret); 134c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 135c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 136c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 137c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x) 138c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 139c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org unsigned char *b = NULL; 140c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i,j=0,n,ret=1; 141c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 142c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org n = ASN1_item_i2d(x, &b, it); 143c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (b == NULL) 144c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 145c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ASN1err(ASN1_F_ASN1_ITEM_I2D_BIO,ERR_R_MALLOC_FAILURE); 146c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(0); 147c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 148c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 149c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (;;) 150c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 151c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i=BIO_write(out,&(b[j]),n); 152c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i == n) break; 153c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (i <= 0) 154c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 155c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret=0; 156c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org break; 157c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 158c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org j+=i; 159c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org n-=i; 160c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 161c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org OPENSSL_free(b); 162c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org return(ret); 163c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 164