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. 855714Skris * 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). 1555714Skris * 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. 2255714Skris * 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 :-). 3755714Skris * 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)" 4055714Skris * 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. 5255714Skris * 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 66109998Smarkm#ifndef OPENSSL_NO_FP_API 67160814Ssimonint ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x) 6855714Skris { 6955714Skris BIO *b; 7055714Skris int ret; 7155714Skris 7255714Skris if ((b=BIO_new(BIO_s_file())) == NULL) 7355714Skris { 7455714Skris ASN1err(ASN1_F_ASN1_I2D_FP,ERR_R_BUF_LIB); 7555714Skris return(0); 7655714Skris } 7755714Skris BIO_set_fp(b,out,BIO_NOCLOSE); 7855714Skris ret=ASN1_i2d_bio(i2d,b,x); 7955714Skris BIO_free(b); 8055714Skris return(ret); 8155714Skris } 8255714Skris#endif 8355714Skris 84160814Ssimonint ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x) 8555714Skris { 8655714Skris char *b; 8755714Skris unsigned char *p; 8855714Skris int i,j=0,n,ret=1; 8955714Skris 9055714Skris n=i2d(x,NULL); 9168651Skris b=(char *)OPENSSL_malloc(n); 9255714Skris if (b == NULL) 9355714Skris { 9455714Skris ASN1err(ASN1_F_ASN1_I2D_BIO,ERR_R_MALLOC_FAILURE); 9555714Skris return(0); 9655714Skris } 9755714Skris 9855714Skris p=(unsigned char *)b; 9955714Skris i2d(x,&p); 10055714Skris 10155714Skris for (;;) 10255714Skris { 10355714Skris i=BIO_write(out,&(b[j]),n); 10455714Skris if (i == n) break; 10555714Skris if (i <= 0) 10655714Skris { 10755714Skris ret=0; 10855714Skris break; 10955714Skris } 11055714Skris j+=i; 11155714Skris n-=i; 11255714Skris } 11368651Skris OPENSSL_free(b); 11455714Skris return(ret); 11555714Skris } 116109998Smarkm 117109998Smarkm#endif 118109998Smarkm 119109998Smarkm#ifndef OPENSSL_NO_FP_API 120109998Smarkmint ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x) 121109998Smarkm { 122109998Smarkm BIO *b; 123109998Smarkm int ret; 124109998Smarkm 125109998Smarkm if ((b=BIO_new(BIO_s_file())) == NULL) 126109998Smarkm { 127160814Ssimon ASN1err(ASN1_F_ASN1_ITEM_I2D_FP,ERR_R_BUF_LIB); 128109998Smarkm return(0); 129109998Smarkm } 130109998Smarkm BIO_set_fp(b,out,BIO_NOCLOSE); 131109998Smarkm ret=ASN1_item_i2d_bio(it,b,x); 132109998Smarkm BIO_free(b); 133109998Smarkm return(ret); 134109998Smarkm } 135109998Smarkm#endif 136109998Smarkm 137109998Smarkmint ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x) 138109998Smarkm { 139109998Smarkm unsigned char *b = NULL; 140109998Smarkm int i,j=0,n,ret=1; 141109998Smarkm 142109998Smarkm n = ASN1_item_i2d(x, &b, it); 143109998Smarkm if (b == NULL) 144109998Smarkm { 145160814Ssimon ASN1err(ASN1_F_ASN1_ITEM_I2D_BIO,ERR_R_MALLOC_FAILURE); 146109998Smarkm return(0); 147109998Smarkm } 148109998Smarkm 149109998Smarkm for (;;) 150109998Smarkm { 151109998Smarkm i=BIO_write(out,&(b[j]),n); 152109998Smarkm if (i == n) break; 153109998Smarkm if (i <= 0) 154109998Smarkm { 155109998Smarkm ret=0; 156109998Smarkm break; 157109998Smarkm } 158109998Smarkm j+=i; 159109998Smarkm n-=i; 160109998Smarkm } 161109998Smarkm OPENSSL_free(b); 162109998Smarkm return(ret); 163109998Smarkm } 164