/* $OpenBSD: a_i2d_fp.c,v 1.15 2017/01/29 17:49:22 beck Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include <stdio.h> #include <openssl/asn1.h> #include <openssl/buffer.h> #include <openssl/err.h> #ifndef NO_OLD_ASN1 int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x) { BIO *b; int ret; if ((b = BIO_new(BIO_s_file())) == NULL) { ASN1error(ERR_R_BUF_LIB); return (0); } BIO_set_fp(b, out, BIO_NOCLOSE); ret = ASN1_i2d_bio(i2d, b, x); BIO_free(b); return (ret); } int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x) { char *b; unsigned char *p; int i, j = 0, n, ret = 1; n = i2d(x, NULL); b = malloc(n); if (b == NULL) { ASN1error(ERR_R_MALLOC_FAILURE); return (0); } p = (unsigned char *)b; i2d(x, &p); for (;;) { i = BIO_write(out, &(b[j]), n); if (i == n) break; if (i <= 0) { ret = 0; break; } j += i; n -= i; } free(b); return (ret); } #endif int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x) { BIO *b; int ret; if ((b = BIO_new(BIO_s_file())) == NULL) { ASN1error(ERR_R_BUF_LIB); return (0); } BIO_set_fp(b, out, BIO_NOCLOSE); ret = ASN1_item_i2d_bio(it, b, x); BIO_free(b); return (ret); } int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x) { unsigned char *b = NULL; int i, j = 0, n, ret = 1; n = ASN1_item_i2d(x, &b, it); if (b == NULL) { ASN1error(ERR_R_MALLOC_FAILURE); return (0); } for (;;) { i = BIO_write(out, &(b[j]), n); if (i == n) break; if (i <= 0) { ret = 0; break; } j += i; n -= i; } free(b); return (ret); }