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