1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #include <openssl/asn1.h> 58 59 #include <openssl/err.h> 60 #include <openssl/mem.h> 61 62 int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x) 63 { 64 BIO *b; 65 int ret; 66 67 if ((b = BIO_new(BIO_s_file())) == NULL) { 68 OPENSSL_PUT_ERROR(ASN1, ERR_R_BUF_LIB); 69 return (0); 70 } 71 BIO_set_fp(b, out, BIO_NOCLOSE); 72 ret = ASN1_i2d_bio(i2d, b, x); 73 BIO_free(b); 74 return (ret); 75 } 76 77 int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, void *x) 78 { 79 char *b; 80 unsigned char *p; 81 int i, j = 0, n, ret = 1; 82 83 n = i2d(x, NULL); 84 if (n <= 0) 85 return 0; 86 87 b = (char *)OPENSSL_malloc(n); 88 if (b == NULL) { 89 OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE); 90 return (0); 91 } 92 93 p = (unsigned char *)b; 94 i2d(x, &p); 95 96 for (;;) { 97 i = BIO_write(out, &(b[j]), n); 98 if (i == n) 99 break; 100 if (i <= 0) { 101 ret = 0; 102 break; 103 } 104 j += i; 105 n -= i; 106 } 107 OPENSSL_free(b); 108 return (ret); 109 } 110 111 int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x) 112 { 113 BIO *b; 114 int ret; 115 116 if ((b = BIO_new(BIO_s_file())) == NULL) { 117 OPENSSL_PUT_ERROR(ASN1, ERR_R_BUF_LIB); 118 return (0); 119 } 120 BIO_set_fp(b, out, BIO_NOCLOSE); 121 ret = ASN1_item_i2d_bio(it, b, x); 122 BIO_free(b); 123 return (ret); 124 } 125 126 int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x) 127 { 128 unsigned char *b = NULL; 129 int i, j = 0, n, ret = 1; 130 131 n = ASN1_item_i2d(x, &b, it); 132 if (b == NULL) { 133 OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE); 134 return (0); 135 } 136 137 for (;;) { 138 i = BIO_write(out, &(b[j]), n); 139 if (i == n) 140 break; 141 if (i <= 0) { 142 ret = 0; 143 break; 144 } 145 j += i; 146 n -= i; 147 } 148 OPENSSL_free(b); 149 return (ret); 150 } 151
