lib/minitasn1/parser_aux.h

   1 /*
   2  * Copyright (C) 2000-2012 Free Software Foundation, Inc.
   3  *
   4  * This file is part of LIBTASN1.
   5  *
   6  * The LIBTASN1 library is free software; you can redistribute it
   7  * and/or modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19  * 02110-1301, USA
  20  */
  21
  22 #ifndef _PARSER_AUX_H
  23 #define _PARSER_AUX_H
  24
  25 #define DER_LEN 16
  26
  27 /***************************************/
  28 /*  Functions used by ASN.1 parser     */
  29 /***************************************/
  30 asn1_node _asn1_add_static_node (unsigned int type);
  31
  32 asn1_node
  33 _asn1_set_value (asn1_node node, const void *value, unsigned int len);
  34
  35 asn1_node _asn1_set_value_m (asn1_node node, void *value, unsigned int len);
  36
  37 asn1_node
  38 _asn1_set_value_lv (asn1_node node, const void *value, unsigned int len);
  39
  40 asn1_node
  41 _asn1_append_value (asn1_node node, const void *value, unsigned int len);
  42
  43 asn1_node _asn1_set_name (asn1_node node, const char *name);
  44
  45 asn1_node _asn1_cpy_name (asn1_node dst, asn1_node src);
  46
  47 asn1_node _asn1_set_right (asn1_node node, asn1_node right);
  48
  49 asn1_node _asn1_get_last_right (asn1_node node);
  50
  51 void _asn1_remove_node (asn1_node node);
  52
  53 void _asn1_delete_list (void);
  54
  55 void _asn1_delete_list_and_nodes (void);
  56
  57 char *_asn1_ltostr (long v, char *str);
  58
  59 asn1_node _asn1_find_up (asn1_node node);
  60
  61 int _asn1_change_integer_value (asn1_node node);
  62
  63 int _asn1_expand_object_id (asn1_node node);
  64
  65 int _asn1_type_set_config (asn1_node node);
  66
  67 int _asn1_check_identifier (asn1_node node);
  68
  69 int _asn1_set_default_tag (asn1_node node);
  70
  71 /******************************************************************/
  72 /* Function : _asn1_get_right                                     */
  73 /* Description: returns the element pointed by the RIGHT field of */
  74 /*              a NODE_ASN element.                               */
  75 /* Parameters:                                                    */
  76 /*   node: NODE_ASN element pointer.                              */
  77 /* Return: field RIGHT of NODE.                                   */
  78 /******************************************************************/
  79 inline static asn1_node
  80 _asn1_get_right (asn1_node node)
  81 {
  82   if (node == NULL)
  83     return NULL;
  84   return node->right;
  85 }
  86
  87 /******************************************************************/
  88 /* Function : _asn1_set_down                                      */
  89 /* Description: sets the field DOWN in a NODE_ASN element.        */
  90 /* Parameters:                                                    */
  91 /*   node: element pointer.                                       */
  92 /*   down: pointer to a NODE_ASN element that you want be pointed */
  93 /*          by NODE.                                              */
  94 /* Return: pointer to *NODE.                                      */
  95 /******************************************************************/
  96 inline static asn1_node
  97 _asn1_set_down (asn1_node node, asn1_node down)
  98 {
  99   if (node == NULL)
 100     return node;
 101   node->down = down;
 102   if (down)
 103     down->left = node;
 104   return node;
 105 }
 106
 107 /******************************************************************/
 108 /* Function : _asn1_get_down                                      */
 109 /* Description: returns the element pointed by the DOWN field of  */
 110 /*              a NODE_ASN element.                               */
 111 /* Parameters:                                                    */
 112 /*   node: NODE_ASN element pointer.                              */
 113 /* Return: field DOWN of NODE.                                    */
 114 /******************************************************************/
 115 inline static asn1_node
 116 _asn1_get_down (asn1_node node)
 117 {
 118   if (node == NULL)
 119     return NULL;
 120   return node->down;
 121 }
 122
 123 /******************************************************************/
 124 /* Function : _asn1_get_name                                      */
 125 /* Description: returns the name of a NODE_ASN element.           */
 126 /* Parameters:                                                    */
 127 /*   node: NODE_ASN element pointer.                              */
 128 /* Return: a null terminated string.                              */
 129 /******************************************************************/
 130 inline static char *
 131 _asn1_get_name (asn1_node node)
 132 {
 133   if (node == NULL)
 134     return NULL;
 135   return node->name;
 136 }
 137
 138 /******************************************************************/
 139 /* Function : _asn1_mod_type                                      */
 140 /* Description: change the field TYPE of an NODE_ASN element.     */
 141 /*              The new value is the old one | (bitwise or) the   */
 142 /*              paramener VALUE.                                  */
 143 /* Parameters:                                                    */
 144 /*   node: NODE_ASN element pointer.                              */
 145 /*   value: the integer value that must be or-ed with the current */
 146 /*          value of field TYPE.                                  */
 147 /* Return: NODE pointer.                                          */
 148 /******************************************************************/
 149 inline static asn1_node
 150 _asn1_mod_type (asn1_node node, unsigned int value)
 151 {
 152   if (node == NULL)
 153     return node;
 154   node->type |= value;
 155   return node;
 156 }
 157
 158 #endif