lib/int.h

   1 /*
   2  *      Copyright (C) 2002 Fabio Fiorina
   3  *
   4  * This file is part of LIBASN1.
   5  *
   6  * GNUTLS is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GNUTLS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  19  */
  20
  21 #ifndef INT_H
  22
  23 #define INT_H
  24
  25 #include <defines.h>
  26
  27 /*
  28 #define LIBTASN1_DEBUG
  29 #define LIBTASN1_DEBUG_PARSER
  30 #define LIBTASN1_DEBUG_INTEGER
  31 */
  32
  33
  34 #define MAX32 4294967295
  35 #define MAX24 16777215
  36 #define MAX16 65535
  37
  38 #define MAX_LOG_SIZE 1024 /* maximum number of characters of a log message */
  39 #define MAX_NAME_SIZE 128 /* maximum number of characters of a name inside an ASN1 file definitons */
  40 #define MAX_ERROR_DESCRIPTION_SIZE 1024 /* maximum number of characters of a description message */
  41
  42
  43 /* define used for visiting trees */
  44 #define UP     1
  45 #define RIGHT  2
  46 #define DOWN   3
  47
  48
  49 typedef int asn1_retCode;  /* type returned by libasn1 functions */
  50
  51
  52 /******************************************************/
  53 /* Structure definition used for the node of the tree */
  54 /* that rappresent an ASN.1 DEFINITION.               */
  55 /******************************************************/
  56 typedef struct node_asn_struct{
  57   char *name;                    /* Node name */
  58   unsigned int type;             /* Node type */
  59   unsigned char *value;          /* Node value */
  60   struct node_asn_struct *down;  /* Pointer to the son node */
  61   struct node_asn_struct *right; /* Pointer to the brother node */
  62   struct node_asn_struct *left;  /* Pointer to the next list element */
  63 } node_asn;
  64
  65 typedef node_asn* ASN1_TYPE;
  66
  67 #define ASN1_TYPE_EMPTY  NULL
  68
  69 struct static_struct_asn{
  70   char *name;                    /* Node name */
  71   unsigned int type;             /* Node type */
  72   unsigned char *value;          /* Node value */
  73 };
  74
  75 typedef struct static_struct_asn ASN1_ARRAY_TYPE;
  76
  77
  78 /****************************************/
  79 /* Returns the first 8 bits.            */
  80 /* Used with the field type of node_asn */
  81 /****************************************/
  82 #define type_field(x)     (x&0xFF)
  83
  84
  85 /* List of constants for field type of typedef node_asn  */
  86 #define TYPE_CONSTANT       1
  87 #define TYPE_IDENTIFIER     2
  88 #define TYPE_INTEGER        3
  89 #define TYPE_BOOLEAN        4
  90 #define TYPE_SEQUENCE       5
  91 #define TYPE_BIT_STRING     6
  92 #define TYPE_OCTET_STRING   7
  93 #define TYPE_TAG            8
  94 #define TYPE_DEFAULT        9
  95 #define TYPE_SIZE          10
  96 #define TYPE_SEQUENCE_OF   11
  97 #define TYPE_OBJECT_ID     12
  98 #define TYPE_ANY           13
  99 #define TYPE_SET           14
 100 #define TYPE_SET_OF        15
 101 #define TYPE_DEFINITIONS   16
 102 #define TYPE_TIME          17
 103 #define TYPE_CHOICE        18
 104 #define TYPE_IMPORTS       19
 105 #define TYPE_NULL          20
 106 #define TYPE_ENUMERATED    21
 107 #define TYPE_GENERALSTRING 27
 108
 109
 110 /***********************************************************************/
 111 /* List of constants for specify better the type of typedef node_asn.  */
 112 /***********************************************************************/
 113 /*  Used with TYPE_TAG  */
 114 #define CONST_UNIVERSAL   (1<<8)
 115 #define CONST_PRIVATE     (1<<9)
 116 #define CONST_APPLICATION (1<<10)
 117 #define CONST_EXPLICIT    (1<<11)
 118 #define CONST_IMPLICIT    (1<<12)
 119
 120 #define CONST_TAG         (1<<13)  /*  Used in ASN.1 assignement  */
 121 #define CONST_OPTION      (1<<14)
 122 #define CONST_DEFAULT     (1<<15)
 123 #define CONST_TRUE        (1<<16)
 124 #define CONST_FALSE       (1<<17)
 125
 126 #define CONST_LIST        (1<<18)  /*  Used with TYPE_INTEGER and TYPE_BIT_STRING  */
 127 #define CONST_MIN_MAX     (1<<19)
 128
 129 #define CONST_1_PARAM     (1<<20)
 130
 131 #define CONST_SIZE        (1<<21)
 132
 133 #define CONST_DEFINED_BY  (1<<22)
 134
 135 #define CONST_GENERALIZED (1<<23)
 136 #define CONST_UTC         (1<<24)
 137
 138 // #define CONST_IMPORTS     (1<<25)
 139
 140 #define CONST_NOT_USED    (1<<26)
 141 #define CONST_SET         (1<<27)
 142 #define CONST_ASSIGN      (1<<28)
 143
 144 #define CONST_DOWN        (1<<29)
 145 #define CONST_RIGHT       (1<<30)
 146
 147
 148 /* functions */
 149 asn1_retCode asn1_delete_structure(ASN1_TYPE *structure);
 150
 151 asn1_retCode asn1_create_element(ASN1_TYPE definitions,const char *source_name,
 152                                  ASN1_TYPE *element,const  char *dest_name);
 153
 154 asn1_retCode asn1_read_value(ASN1_TYPE element,const char *name,
 155                              unsigned char *value,int *len);
 156
 157 asn1_retCode
 158 asn1_expand_octet_string(ASN1_TYPE definitions,ASN1_TYPE *element,
 159                          const char *octetName,const char *objectName);
 160
 161
 162 #endif /* INT_H */
 163
 164