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pineappleEA
158
externals/libressl/crypto/asn1/a_i2d_fp.c
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158
externals/libressl/crypto/asn1/a_i2d_fp.c
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/* $OpenBSD: a_i2d_fp.c,v 1.15 2017/01/29 17:49:22 beck Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <openssl/asn1.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#ifndef NO_OLD_ASN1
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int
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ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
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{
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BIO *b;
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int ret;
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if ((b = BIO_new(BIO_s_file())) == NULL) {
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ASN1error(ERR_R_BUF_LIB);
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return (0);
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}
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BIO_set_fp(b, out, BIO_NOCLOSE);
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ret = ASN1_i2d_bio(i2d, b, x);
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BIO_free(b);
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return (ret);
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}
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int
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ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x)
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{
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char *b;
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unsigned char *p;
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int i, j = 0, n, ret = 1;
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n = i2d(x, NULL);
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b = malloc(n);
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if (b == NULL) {
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ASN1error(ERR_R_MALLOC_FAILURE);
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return (0);
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}
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p = (unsigned char *)b;
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i2d(x, &p);
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for (;;) {
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i = BIO_write(out, &(b[j]), n);
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if (i == n)
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break;
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if (i <= 0) {
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ret = 0;
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break;
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}
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j += i;
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n -= i;
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}
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free(b);
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return (ret);
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}
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#endif
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int
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ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x)
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{
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BIO *b;
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int ret;
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if ((b = BIO_new(BIO_s_file())) == NULL) {
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ASN1error(ERR_R_BUF_LIB);
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return (0);
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}
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BIO_set_fp(b, out, BIO_NOCLOSE);
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ret = ASN1_item_i2d_bio(it, b, x);
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BIO_free(b);
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return (ret);
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}
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int
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ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x)
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{
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unsigned char *b = NULL;
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int i, j = 0, n, ret = 1;
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n = ASN1_item_i2d(x, &b, it);
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if (b == NULL) {
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ASN1error(ERR_R_MALLOC_FAILURE);
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return (0);
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}
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for (;;) {
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i = BIO_write(out, &(b[j]), n);
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if (i == n)
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break;
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if (i <= 0) {
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ret = 0;
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break;
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}
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j += i;
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n -= i;
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}
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free(b);
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return (ret);
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}
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