sl@0: /* crypto/asn1/a_hdr.c */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/asn1_mac.h>
sl@0: #include <openssl/asn1.h>
sl@0: 
sl@0: EXPORT_C int i2d_ASN1_HEADER(ASN1_HEADER *a, unsigned char **pp)
sl@0: 	{
sl@0: 	M_ASN1_I2D_vars(a);
sl@0: 
sl@0: 	M_ASN1_I2D_len(a->header,	i2d_ASN1_OCTET_STRING);
sl@0: 	M_ASN1_I2D_len(a->data,		a->meth->i2d);
sl@0: 
sl@0: 	M_ASN1_I2D_seq_total();
sl@0: 
sl@0: 	M_ASN1_I2D_put(a->header,	i2d_ASN1_OCTET_STRING);
sl@0: 	M_ASN1_I2D_put(a->data,		a->meth->i2d);
sl@0: 
sl@0: 	M_ASN1_I2D_finish();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C ASN1_HEADER *d2i_ASN1_HEADER(ASN1_HEADER **a, const unsigned char **pp,
sl@0: 	     long length)
sl@0: 	{
sl@0: 	M_ASN1_D2I_vars(a,ASN1_HEADER *,ASN1_HEADER_new);
sl@0: 
sl@0: 	M_ASN1_D2I_Init();
sl@0:         M_ASN1_D2I_start_sequence();
sl@0:         M_ASN1_D2I_get_x(ASN1_OCTET_STRING,ret->header,d2i_ASN1_OCTET_STRING);
sl@0: 	if (ret->meth != NULL)
sl@0: 		{
sl@0: 		M_ASN1_D2I_get_x(void,ret->data,ret->meth->d2i);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		if (a != NULL) (*a)=ret;
sl@0: 		return(ret);
sl@0: 		}
sl@0:         M_ASN1_D2I_Finish(a,ASN1_HEADER_free,ASN1_F_D2I_ASN1_HEADER);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C ASN1_HEADER *ASN1_HEADER_new(void)
sl@0: 	{
sl@0: 	ASN1_HEADER *ret=NULL;
sl@0: 	ASN1_CTX c;
sl@0: 
sl@0: 	M_ASN1_New_Malloc(ret,ASN1_HEADER);
sl@0: 	M_ASN1_New(ret->header,M_ASN1_OCTET_STRING_new);
sl@0: 	ret->meth=NULL;
sl@0: 	ret->data=NULL;
sl@0: 	return(ret);
sl@0:         M_ASN1_New_Error(ASN1_F_ASN1_HEADER_NEW);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void ASN1_HEADER_free(ASN1_HEADER *a)
sl@0: 	{
sl@0: 	if (a == NULL) return;
sl@0: 	M_ASN1_OCTET_STRING_free(a->header);
sl@0: 	if (a->meth != NULL)
sl@0: 		a->meth->destroy(a->data);
sl@0: 	OPENSSL_free(a);
sl@0: 	}