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Diffstat (limited to 'plugins/asn1/asn1.h')
| -rw-r--r-- | plugins/asn1/asn1.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/plugins/asn1/asn1.h b/plugins/asn1/asn1.h new file mode 100644 index 0000000000..d967779434 --- /dev/null +++ b/plugins/asn1/asn1.h @@ -0,0 +1,121 @@ +/* asn1.h + * Definitions for ASN.1 BER dissection + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * + * Based on "g_asn1.h" from: + * + * GXSNMP -- An snmp mangament application + * Copyright (C) 1998 Gregory McLean & Jochen Friedrich + * Beholder RMON ethernet network monitor,Copyright (C) 1993 DNPAP group + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +#ifndef __ASN1_H__ +#define __ASN1_H__ + +#define ASN1_UNI 0 /* Universal */ +#define ASN1_APL 1 /* Application */ +#define ASN1_CTX 2 /* Context */ +#define ASN1_PRV 3 /* Private */ + + /* Tag */ +#define ASN1_EOC 0 /* End Of Contents */ +#define ASN1_BOL 1 /* Boolean */ +#define ASN1_INT 2 /* Integer */ +#define ASN1_BTS 3 /* Bit String */ +#define ASN1_OTS 4 /* Octet String */ +#define ASN1_NUL 5 /* Null */ +#define ASN1_OJI 6 /* Object Identifier */ +#define ASN1_OJD 7 /* Object Description */ +#define ASN1_EXT 8 /* External */ +#define ASN1_REAL 9 /* Real */ +#define ASN1_ENUM 10 /* Enumerated */ +#define ASN1_SEQ 16 /* Sequence */ +#define ASN1_SET 17 /* Set */ +#define ASN1_NUMSTR 18 /* Numerical String */ +#define ASN1_PRNSTR 19 /* Printable String */ +#define ASN1_TEXSTR 20 /* Teletext String */ +#define ASN1_VIDSTR 21 /* Video String */ +#define ASN1_IA5STR 22 /* IA5 String */ +#define ASN1_UNITIM 23 /* Universal Time */ +#define ASN1_GENTIM 24 /* General Time */ +#define ASN1_GRASTR 25 /* Graphical String */ +#define ASN1_VISSTR 26 /* Visible String */ +#define ASN1_GENSTR 27 /* General String */ + + /* Primitive / Constructed */ +#define ASN1_PRI 0 /* Primitive */ +#define ASN1_CON 1 /* Constructed */ + + +#define ASN1_ERR_NOERROR 0 /* no error */ +#define ASN1_ERR_EOC_MISMATCH 1 +#define ASN1_ERR_WRONG_TYPE 2 /* type not right */ +#define ASN1_ERR_LENGTH_NOT_DEFINITE 3 /* length should be definite */ +#define ASN1_ERR_LENGTH_MISMATCH 4 +#define ASN1_ERR_WRONG_LENGTH_FOR_TYPE 5 /* length wrong for type */ + +typedef struct _ASN1_SCK ASN1_SCK; + +struct _ASN1_SCK +{ /* ASN1 socket */ + tvbuff_t *tvb; /* Tvbuff whence the data comes */ + int offset; /* Current offset in tvbuff */ +}; + +#include <epan/dissectors/format-oid.h> + +extern void asn1_open (ASN1_SCK *asn1, tvbuff_t *tvb, int offset); +extern void asn1_close (ASN1_SCK *asn1, int *offset); +extern int asn1_octet_decode (ASN1_SCK *asn1, guchar *ch); +extern int asn1_tag_decode (ASN1_SCK *asn1, guint *tag); +extern int asn1_id_decode (ASN1_SCK *asn1, guint *cls, guint *con, guint *tag); +extern int asn1_id_decode1 (ASN1_SCK *asn1, guint *tag); +extern int asn1_length_decode (ASN1_SCK *asn1, gboolean *def, guint *len); +extern int asn1_header_decode(ASN1_SCK *asn1, guint *cls, guint *con, + guint *tag, gboolean *defp, guint *lenp); +extern int asn1_eoc (ASN1_SCK *asn1, int eoc); +extern int asn1_eoc_decode (ASN1_SCK *asn1, int eoc); +extern int asn1_null_decode (ASN1_SCK *asn1, int enc_len); +extern int asn1_bool_decode (ASN1_SCK *asn1, int enc_len, gboolean *boolean); +extern int asn1_int32_value_decode (ASN1_SCK *asn1, int enc_len, + gint32 *integer); +extern int asn1_int32_decode (ASN1_SCK *asn1, gint32 *integer, guint *nbytes); +extern int asn1_uint32_value_decode (ASN1_SCK *asn1, int enc_len, + guint32 *integer); +extern int asn1_uint32_decode (ASN1_SCK *asn1, guint32 *integer, guint *nbytes); +extern int asn1_bits_decode (ASN1_SCK *asn1, int enc_len, guchar **bits, + guint *len, guchar *unused); +extern int asn1_string_value_decode (ASN1_SCK *asn1, int enc_len, + guchar **octets); +extern int asn1_string_decode (ASN1_SCK *asn1, guchar **octets, guint *str_len, + guint *nbytes, guint expected_tag); +extern int asn1_octet_string_decode (ASN1_SCK *asn1, guchar **octets, + guint *str_len, guint *nbytes); +extern int asn1_subid_decode (ASN1_SCK *asn1, subid_t *subid); +extern int asn1_oid_value_decode (ASN1_SCK *asn1, int enc_len, subid_t **oid, + guint *len); +extern int asn1_oid_decode (ASN1_SCK *asn1, subid_t **oid, guint *len, + guint *nbytes); +extern int asn1_sequence_decode (ASN1_SCK *asn1, guint *seq_len, guint *nbytes); + +extern const char *asn1_err_to_str (int err); + +#endif |