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/* asn1-func.h - definitions for asn1-func.c
* Copyright (C) 2000,2001 Fabio Fiorina
* Copyright (C) 2001 Free Software Foundation, Inc.
*
* This file is part of GNUTLS.
*
* GNUTLS is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNUTLS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef ASN1_FUNC_H
#define ASN1_FUNC_H
typedef enum {
TYPE_NONE = 0,
TYPE_BOOLEAN = 1,
TYPE_INTEGER = 2,
TYPE_BIT_STRING = 3,
TYPE_OCTET_STRING = 4,
TYPE_NULL = 5,
TYPE_OBJECT_ID = 6,
TYPE_OBJECT_DESCRIPTOR = 7,
TYPE_EXTERNAL = 8,
TYPE_REAL = 9,
TYPE_ENUMERATED = 10,
TYPE_EMBEDDED_PDV = 11,
TYPE_UTF8_STRING = 12,
TYPE_REALTIVE_OID = 13,
TYPE_SEQUENCE = 16,
TYPE_SET = 17,
TYPE_NUMERIC_STRING = 18,
TYPE_PRINTABLE_STRING = 19,
TYPE_TELETEX_STRING = 20,
TYPE_VIDEOTEX_STRING = 21,
TYPE_IA5_STRING = 22,
TYPE_UTC_TIME = 23,
TYPE_GENERALIZED_TIME = 24,
TYPE_GRAPHIC_STRING = 25,
TYPE_VISIBLE_STRING = 26,
TYPE_GENERAL_STRING = 27,
TYPE_UNIVERSAL_STRING = 28,
TYPE_CHARACTER_STRING = 29,
TYPE_BMP_STRING = 30,
/* the following values do not correspond to an Universal tag */
TYPE_CONSTANT = 128,
TYPE_IDENTIFIER,
TYPE_TAG,
TYPE_DEFAULT,
TYPE_SIZE,
TYPE_SEQUENCE_OF,
TYPE_ANY,
TYPE_SET_OF,
TYPE_DEFINITIONS,
TYPE_CHOICE,
TYPE_IMPORTS,
TYPE_PRE_SEQUENCE /* premanufactured Seqences as used by the DER encoder. */
} node_type_t;
enum tag_class {
CLASS_UNIVERSAL = 0,
CLASS_APPLICATION = 1,
CLASS_CONTEXT = 2,
CLASS_PRIVATE =3
};
/* Important: this must match the code in asn1-gentables.c */
struct node_flag_s {
enum tag_class class;
int explicit:1;
int implicit:1;
int has_imports:1;
int assignment:1; /* node is an assignment */
int one_param:1;
int has_tag:1;
int has_size:1;
int has_list:1;
int has_min_max:1;
int has_defined_by:1;
int is_false:1;
int is_true:1;
int has_default:1; /* node has a default value (fixme:needed???)*/
int is_optional:1;
int is_implicit:1;
int in_set:1;
int in_choice:1;
int in_array:1;
int is_any:1; /* The der-encoder must change any to a real type
but still be aware that it actually is any */
int not_used:1;
int help_down:1; /* helper for create_tree */
int help_right:1; /* helper for create_tree */
int tag_seen:1;
int skip_this:1; /* helper */
};
enum asn_value_type {
VALTYPE_NULL = 0,
VALTYPE_BOOL,
VALTYPE_CSTR,
VALTYPE_MEM,
VALTYPE_LONG,
VALTYPE_ULONG
};
union asn_value_u {
int v_bool;
char *v_cstr;
struct {
size_t len;
unsigned char *buf;
} v_mem;
long v_long;
unsigned long v_ulong;
};
/******************************************************/
/* Structure definition used for the node of the tree */
/* that rappresent an ASN.1 DEFINITION. */
/******************************************************/
#ifndef HAVE_TYPEDEFD_ASNNODE
typedef struct asn_node_struct *AsnNode;
typedef struct asn_node_struct *asn_node_t;
#define HAVE_TYPEDEFD_ASNNODE
#endif
struct asn_node_struct {
char *name; /* Node name */
node_type_t type;
struct node_flag_s flags;
enum asn_value_type valuetype;
union asn_value_u value;
int off; /* offset of this TLV */
int nhdr; /* length of the header */
int len; /* length part of the TLV */
node_type_t actual_type; /* ugly helper to overcome TYPE_ANY probs*/
AsnNode down; /* Pointer to the son node */
AsnNode right; /* Pointer to the brother node */
AsnNode left; /* Pointer to the next list element */
AsnNode link_next; /* to keep track of all nodes in a tree */
};
/* Structure to keep an entire ASN.1 parse tree and associated information */
struct ksba_asn_tree_s {
AsnNode parse_tree;
AsnNode node_list; /* for easier release of all nodes */
char filename[1];
};
typedef struct static_struct_asn {
char *name; /* Node name */
node_type_t type; /* Node type */
struct node_flag_s flags;
char *stringvalue;
} static_asn;
/***************************************/
/* Functions used by ASN.1 parser */
/***************************************/
void _ksba_asn_set_value (AsnNode node, enum asn_value_type vtype,
const void *value, size_t len);
void _ksba_asn_set_name (AsnNode node, const char *name);
AsnNode _ksba_asn_walk_tree (AsnNode root, AsnNode node);
AsnNode _ksba_asn_walk_tree_up_right (AsnNode root, AsnNode node);
AsnNode _ksba_asn_find_node(AsnNode pointer,const char *name);
int _ksba_asn_check_identifier(AsnNode node);
int _ksba_asn_change_integer_value(AsnNode node);
int _ksba_asn_delete_not_used(AsnNode node);
int _ksba_asn_expand_object_id(AsnNode node);
void _ksba_asn_set_default_tag (AsnNode node);
void _ksba_asn_type_set_config (AsnNode node);
AsnNode _ksba_asn_expand_tree (AsnNode parse_tree, const char *name);
AsnNode _ksba_asn_insert_copy (AsnNode node);
/*-- asn1-parse.y --*/
void _ksba_asn_release_nodes (AsnNode node);
/*-- asn1-func.c --*/
int _ksba_asn_is_primitive (node_type_t type);
AsnNode _ksba_asn_new_node (node_type_t type);
void _ksba_asn_node_dump (AsnNode p, FILE *fp);
void _ksba_asn_node_dump_all (AsnNode root, FILE *fp);
AsnNode _ksba_asn_find_type_value (const unsigned char *image,
AsnNode root, int idx,
const void *oidbuf, size_t oidlen);
int ksba_asn_create_structure (AsnNode root, char *source_name,
AsnNode*pointer , char *dest_name);
int ksba_asn_delete_structure (AsnNode root);
int ksba_asn1_create_tree (const static_asn *root,AsnNode*pointer);
int ksba_asn_read_value(AsnNode root,const char *name,unsigned char *value,int *len);
int ksba_asn_write_value(AsnNode root,char *name,unsigned char *value,int len);
/*-- asn2-func.c --*/
/*-- asn1-tables.c (generated) --*/
const static_asn *_ksba_asn_lookup_table (const char *name);
#endif /*ASN1_FUNC_H*/

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