crypto/asn1/x_attrib.c

   1 /* crypto/asn1/x_attrib.c */
   2 /* Copyright (C) 1995-1997 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 "objects.h"
  62 #include "asn1_mac.h"
  63
  64 /*
  65  * ASN1err(ASN1_F_D2I_X509_ATTRIBUTE,ASN1_R_LENGTH_MISMATCH);
  66  * ASN1err(ASN1_F_X509_ATTRIBUTE_NEW,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE);
  67  * ASN1err(ASN1_F_I2D_X509_ATTRIBUTE,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE);
  68  */
  69
  70 /* sequence */
  71 int i2d_X509_ATTRIBUTE(a,pp)
  72 X509_ATTRIBUTE *a;
  73 unsigned char **pp;
  74         {
  75         int k=0;
  76         int r=0,ret=0;
  77         unsigned char **p=NULL;
  78
  79         if (a == NULL) return(0);
  80
  81         p=NULL;
  82         for (;;)
  83                 {
  84                 if (k)
  85                         {
  86                         r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
  87                         if (pp == NULL) return(r);
  88                         p=pp;
  89                         ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE,
  90                                 V_ASN1_UNIVERSAL);
  91                         }
  92
  93                 ret+=i2d_ASN1_OBJECT(a->object,p);
  94                 if (a->set)
  95                         ret+=i2d_ASN1_SET(a->value.set,p,i2d_ASN1_TYPE,
  96                                 V_ASN1_SET,V_ASN1_UNIVERSAL);
  97                 else
  98                         ret+=i2d_ASN1_TYPE(a->value.single,p);
  99                 if (k++) return(r);
 100                 }
 101         }
 102
 103 X509_ATTRIBUTE *d2i_X509_ATTRIBUTE(a,pp,length)
 104 X509_ATTRIBUTE **a;
 105 unsigned char **pp;
 106 long length;
 107         {
 108         M_ASN1_D2I_vars(a,X509_ATTRIBUTE *,X509_ATTRIBUTE_new);
 109
 110         M_ASN1_D2I_Init();
 111         M_ASN1_D2I_start_sequence();
 112         M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
 113
 114         if ((c.slen != 0) &&
 115                 (M_ASN1_next == (V_ASN1_CONSTRUCTED|V_ASN1_UNIVERSAL|V_ASN1_SET)))
 116                 {
 117                 ret->set=1;
 118                 M_ASN1_D2I_get_set(ret->value.set,d2i_ASN1_TYPE);
 119                 }
 120         else
 121                 {
 122                 ret->set=0;
 123                 M_ASN1_D2I_get(ret->value.single,d2i_ASN1_TYPE);
 124                 }
 125
 126         M_ASN1_D2I_Finish(a,X509_ATTRIBUTE_free,ASN1_F_D2I_X509_ATTRIBUTE);
 127         }
 128
 129 X509_ATTRIBUTE *X509_ATTRIBUTE_new()
 130         {
 131         X509_ATTRIBUTE *ret=NULL;
 132
 133         M_ASN1_New_Malloc(ret,X509_ATTRIBUTE);
 134         M_ASN1_New(ret->object,ASN1_OBJECT_new);
 135         ret->set=0;
 136         ret->value.ptr=NULL;
 137         return(ret);
 138         M_ASN1_New_Error(ASN1_F_X509_ATTRIBUTE_NEW);
 139         }
 140
 141 void X509_ATTRIBUTE_free(a)
 142 X509_ATTRIBUTE *a;
 143         {
 144         if (a == NULL) return;
 145         ASN1_OBJECT_free(a->object);
 146         if (a->set)
 147                 sk_pop_free(a->value.set,ASN1_TYPE_free);
 148         else
 149                 ASN1_TYPE_free(a->value.single);
 150         Free((char *)a);
 151         }
 152