1 /* crypto/asn1/a_hdr.c */

     2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

     3  * All rights reserved.

     4  *

     5  * This package is an SSL implementation written

     6  * by Eric Young (eay@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@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@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@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/asn1_mac.h>

    62 #include <openssl/asn1.h>

    63 

    64 EXPORT_C int i2d_ASN1_HEADER(ASN1_HEADER *a, unsigned char **pp)

    65 	{

    66 	M_ASN1_I2D_vars(a);

    67 

    68 	M_ASN1_I2D_len(a->header,	i2d_ASN1_OCTET_STRING);

    69 	M_ASN1_I2D_len(a->data,		a->meth->i2d);

    70 

    71 	M_ASN1_I2D_seq_total();

    72 

    73 	M_ASN1_I2D_put(a->header,	i2d_ASN1_OCTET_STRING);

    74 	M_ASN1_I2D_put(a->data,		a->meth->i2d);

    75 

    76 	M_ASN1_I2D_finish();

    77 	}

    78 

    79 EXPORT_C ASN1_HEADER *d2i_ASN1_HEADER(ASN1_HEADER **a, const unsigned char **pp,

    80 	     long length)

    81 	{

    82 	M_ASN1_D2I_vars(a,ASN1_HEADER *,ASN1_HEADER_new);

    83 

    84 	M_ASN1_D2I_Init();

    85         M_ASN1_D2I_start_sequence();

    86         M_ASN1_D2I_get_x(ASN1_OCTET_STRING,ret->header,d2i_ASN1_OCTET_STRING);

    87 	if (ret->meth != NULL)

    88 		{

    89 		M_ASN1_D2I_get_x(void,ret->data,ret->meth->d2i);

    90 		}

    91 	else

    92 		{

    93 		if (a != NULL) (*a)=ret;

    94 		return(ret);

    95 		}

    96         M_ASN1_D2I_Finish(a,ASN1_HEADER_free,ASN1_F_D2I_ASN1_HEADER);

    97 	}

    98 

    99 EXPORT_C ASN1_HEADER *ASN1_HEADER_new(void)

   100 	{

   101 	ASN1_HEADER *ret=NULL;

   102 	ASN1_CTX c;

   103 

   104 	M_ASN1_New_Malloc(ret,ASN1_HEADER);

   105 	M_ASN1_New(ret->header,M_ASN1_OCTET_STRING_new);

   106 	ret->meth=NULL;

   107 	ret->data=NULL;

   108 	return(ret);

   109         M_ASN1_New_Error(ASN1_F_ASN1_HEADER_NEW);

   110 	}

   111 

   112 EXPORT_C void ASN1_HEADER_free(ASN1_HEADER *a)

   113 	{

   114 	if (a == NULL) return;

   115 	M_ASN1_OCTET_STRING_free(a->header);

   116 	if (a->meth != NULL)

   117 		a->meth->destroy(a->data);

   118 	OPENSSL_free(a);

   119 	}