crypto/openssl-0.9.7e/crypto/asn1/a_hdr.c

   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 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 ASN1_HEADER *d2i_ASN1_HEADER(ASN1_HEADER **a, 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(ret->header,d2i_ASN1_OCTET_STRING);
  87         if (ret->meth != NULL)
  88                 {
  89                 M_ASN1_D2I_get(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 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 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         }