88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* asn1.h
|
|
* Common data for ASN.1
|
|
* 2007 Anders Broman
|
|
*
|
|
* $Id$
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program 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_H__
|
|
#define __ASN1_H__
|
|
|
|
typedef enum {
|
|
ASN1_ENC_BER, /* X.690 - BER, CER, DER */
|
|
ASN1_ENC_PER, /* X.691 - PER */
|
|
ASN1_ENC_ECN, /* X.692 - ECN */
|
|
ASN1_ENC_XER /* X.693 - XER */
|
|
} asn1_enc_e;
|
|
|
|
#define ASN1_CTX_SIGNATURE 0x41435458 /* "ACTX" */
|
|
|
|
typedef struct _asn1_ctx_t {
|
|
guint32 signature;
|
|
asn1_enc_e encoding;
|
|
gboolean aligned;
|
|
packet_info *pinfo;
|
|
proto_item *created_item;
|
|
void *value_ptr;
|
|
void *private_data;
|
|
struct {
|
|
tvbuff_t *data_value_descriptor;
|
|
int hf_index;
|
|
tvbuff_t *direct_reference;
|
|
gint32 indirect_reference;
|
|
guint32 encoding;
|
|
tvbuff_t *single_asn1_type;
|
|
tvbuff_t *octet_aligned;
|
|
tvbuff_t *arbitrary;
|
|
union {
|
|
struct {
|
|
int (*ber_callback)(gboolean imp_tag, tvbuff_t *tvb, int offset, struct _asn1_ctx_t* ,proto_tree *tree, int hf_index );
|
|
tvbuff_t *direct_reference;
|
|
gint32 indirect_reference;
|
|
guint32 encoding;
|
|
tvbuff_t *single_asn1_type;
|
|
tvbuff_t *octet_aligned;
|
|
tvbuff_t *arbitrary;
|
|
} ber;
|
|
struct {
|
|
int (*type_cb)(tvbuff_t*, int, struct _asn1_ctx_t*, proto_tree*, int);
|
|
} per;
|
|
};
|
|
} external;
|
|
} asn1_ctx_t;
|
|
|
|
extern void asn1_ctx_init(asn1_ctx_t *actx, asn1_enc_e encoding, gboolean aligned, packet_info *pinfo);
|
|
extern gboolean asn1_ctx_check_signature(asn1_ctx_t *actx);
|
|
extern void asn1_ctx_clean_external(asn1_ctx_t *actx);
|
|
|
|
extern double asn1_get_real(const guint8 *real_ptr, gint real_len);
|
|
|
|
/* flags */
|
|
#define ASN1_EXT_ROOT 0x01
|
|
#define ASN1_EXT_EXT 0x02
|
|
#define ASN1_OPT 0x04
|
|
#define ASN1_DFLT 0x08
|
|
|
|
#define ASN1_HAS_EXT(f) ((f)&(ASN1_EXT_ROOT|ASN1_EXT_EXT))
|
|
|
|
|
|
#endif /* __ASN1_H__ */
|