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wireshark/epan/dissectors/packet-lbmpdm.c

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/* packet-lbmpdm.c
* Routines for LBM PDM Packet dissection
*
* Copyright (c) 2005-2014 Informatica Corporation. All Rights Reserved.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/exceptions.h>
#include "packet-lbm.h"
/* Magic number for message header to check if data is big-endian or little-endian. */
#define PDM_MSG_HDR_BE_MAGIC_BYTE_1 0xA7
#define PDM_MSG_HDR_BE_MAGIC_BYTE_2 0x1C
#define PDM_MSG_HDR_BE_MAGIC_BYTE_3 0xCA
#define PDM_MSG_HDR_BE_MAGIC_BYTE_4 0xFE
#define PDM_MSG_HDR_LE_MAGIC_BYTE_1 0xFE
#define PDM_MSG_HDR_LE_MAGIC_BYTE_2 0xCA
#define PDM_MSG_HDR_LE_MAGIC_BYTE_3 0x1C
#define PDM_MSG_HDR_LE_MAGIC_BYTE_4 0xA7
void proto_register_lbmpdm(void);
/*------------*/
/* PDM header */
/*------------*/
typedef struct lbmpdm_msg_hdr_stct_t
{
guint32 magic;
guint8 ver_type;
guint8 next_hdr;
guint8 def_major_ver;
guint8 def_minor_ver;
guint32 def_id;
guint32 len;
} lbmpdm_msg_hdr_t;
#define O_LBMPDM_MSG_HDR_T_MAGIC OFFSETOF(lbmpdm_msg_hdr_t, magic)
#define L_LBMPDM_MSG_HDR_T_MAGIC SIZEOF(lbmpdm_msg_hdr_t, magic)
#define O_LBMPDM_MSG_HDR_T_VER_TYPE OFFSETOF(lbmpdm_msg_hdr_t, ver_type)
#define L_LBMPDM_MSG_HDR_T_VER_TYPE SIZEOF(lbmpdm_msg_hdr_t, ver_type)
#define O_LBMPDM_MSG_HDR_T_NEXT_HDR OFFSETOF(lbmpdm_msg_hdr_t, next_hdr)
#define L_LBMPDM_MSG_HDR_T_NEXT_HDR SIZEOF(lbmpdm_msg_hdr_t, next_hdr)
#define O_LBMPDM_MSG_HDR_T_DEF_MAJOR_VER OFFSETOF(lbmpdm_msg_hdr_t, def_major_ver)
#define L_LBMPDM_MSG_HDR_T_DEF_MAJOR_VER SIZEOF(lbmpdm_msg_hdr_t, def_major_ver)
#define O_LBMPDM_MSG_HDR_T_DEF_MINOR_VER OFFSETOF(lbmpdm_msg_hdr_t, def_minor_ver)
#define L_LBMPDM_MSG_HDR_T_DEF_MINOR_VER SIZEOF(lbmpdm_msg_hdr_t, def_minor_ver)
#define O_LBMPDM_MSG_HDR_T_DEF_ID OFFSETOF(lbmpdm_msg_hdr_t, def_id)
#define L_LBMPDM_MSG_HDR_T_DEF_ID SIZEOF(lbmpdm_msg_hdr_t, def_id)
#define O_LBMPDM_MSG_HDR_T_LEN OFFSETOF(lbmpdm_msg_hdr_t, len)
#define L_LBMPDM_MSG_HDR_T_LEN SIZEOF(lbmpdm_msg_hdr_t, len)
#define L_LBMPDM_MSG_HDR_T (gint) sizeof(lbmpdm_msg_hdr_t)
/*---------------------*/
/* PDM segment header. */
/*---------------------*/
typedef struct lbmpdm_seg_hdr_stct_t
{
guint8 next_hdr;
guint8 flags;
guint16 res;
guint32 len;
} lbmpdm_seg_hdr_t;
#define O_LBMPDM_SEG_HDR_T_NEXT_HDR OFFSETOF(lbmpdm_seg_hdr_t, next_hdr)
#define L_LBMPDM_SEG_HDR_T_NEXT_HDR SIZEOF(lbmpdm_seg_hdr_t, next_hdr)
#define O_LBMPDM_SEG_HDR_T_FLAGS OFFSETOF(lbmpdm_seg_hdr_t, flags)
#define L_LBMPDM_SEG_HDR_T_FLAGS SIZEOF(lbmpdm_seg_hdr_t, flags)
#define O_LBMPDM_SEG_HDR_T_RES OFFSETOF(lbmpdm_seg_hdr_t, res)
#define L_LBMPDM_SEG_HDR_T_RES SIZEOF(lbmpdm_seg_hdr_t, res)
#define O_LBMPDM_SEG_HDR_T_LEN OFFSETOF(lbmpdm_seg_hdr_t, len)
#define L_LBMPDM_SEG_HDR_T_LEN SIZEOF(lbmpdm_seg_hdr_t, len)
#define L_LBMPDM_SEG_HDR_T (gint) sizeof(lbmpdm_seg_hdr_t)
/*--------------------------------*/
/* PDM definition segment header. */
/*--------------------------------*/
typedef struct lbmpdm_defn_stct_t
{
gint32 id;
gint32 num_fields;
guint8 field_names_type;
guint8 finalized;
guint8 msg_vers_major;
guint8 msg_vers_minor;
guint32 fixed_req_section_len;
guint32 field_info_len;
} lbmpdm_defn_t;
#define O_LBMPDM_DEFN_T_ID OFFSETOF(lbmpdm_defn_t, id)
#define L_LBMPDM_DEFN_T_ID SIZEOF(lbmpdm_defn_t, id)
#define O_LBMPDM_DEFN_T_NUM_FIELDS OFFSETOF(lbmpdm_defn_t, num_fields)
#define L_LBMPDM_DEFN_T_NUM_FIELDS SIZEOF(lbmpdm_defn_t, num_fields)
#define O_LBMPDM_DEFN_T_FIELD_NAMES_TYPE OFFSETOF(lbmpdm_defn_t, field_names_type)
#define L_LBMPDM_DEFN_T_FIELD_NAMES_TYPE SIZEOF(lbmpdm_defn_t, field_names_type)
#define O_LBMPDM_DEFN_T_FINALIZED OFFSETOF(lbmpdm_defn_t, finalized)
#define L_LBMPDM_DEFN_T_FINALIZED SIZEOF(lbmpdm_defn_t, finalized)
#define O_LBMPDM_DEFN_T_MSG_VERS_MAJOR OFFSETOF(lbmpdm_defn_t, msg_vers_major)
#define L_LBMPDM_DEFN_T_MSG_VERS_MAJOR SIZEOF(lbmpdm_defn_t, msg_vers_major)
#define O_LBMPDM_DEFN_T_MSG_VERS_MINOR OFFSETOF(lbmpdm_defn_t, msg_vers_minor)
#define L_LBMPDM_DEFN_T_MSG_VERS_MINOR SIZEOF(lbmpdm_defn_t, msg_vers_minor)
#define O_LBMPDM_DEFN_T_FIXED_REQ_SECTION_LEN OFFSETOF(lbmpdm_defn_t, fixed_req_section_len)
#define L_LBMPDM_DEFN_T_FIXED_REQ_SECTION_LEN SIZEOF(lbmpdm_defn_t, fixed_req_section_len)
#define O_LBMPDM_DEFN_T_FIELD_INFO_LEN OFFSETOF(lbmpdm_defn_t, field_info_len)
#define L_LBMPDM_DEFN_T_FIELD_INFO_LEN SIZEOF(lbmpdm_defn_t, field_info_len)
#define L_LBMPDM_DEFN_T (gint) sizeof(lbmpdm_defn_t)
/*----------------------------*/
/* PDM definition field info. */
/*----------------------------*/
typedef struct lbmpdm_field_info_stct_t
{
guint32 id;
guint32 len;
guint32 fixed_str_len;
guint32 num_arr_elem;
guint8 req;
guint8 fixed;
gint32 fld_int_name;
gint32 str_name_len;
/* NUL-terminated field name, if str_name_len != 0 */
/* int16_t fld_type */
} lbmpdm_field_info_t;
#define O_LBMPDM_FIELD_INFO_T_ID OFFSETOF(lbmpdm_field_info_t, id)
#define L_LBMPDM_FIELD_INFO_T_ID SIZEOF(lbmpdm_field_info_t, id)
#define O_LBMPDM_FIELD_INFO_T_LEN OFFSETOF(lbmpdm_field_info_t, len)
#define L_LBMPDM_FIELD_INFO_T_LEN SIZEOF(lbmpdm_field_info_t, len)
#define O_LBMPDM_FIELD_INFO_T_FIXED_STR_LEN OFFSETOF(lbmpdm_field_info_t, fixed_str_len)
#define L_LBMPDM_FIELD_INFO_T_FIXED_STR_LEN SIZEOF(lbmpdm_field_info_t, fixed_str_len)
#define O_LBMPDM_FIELD_INFO_T_NUM_ARR_ELEM OFFSETOF(lbmpdm_field_info_t, num_arr_elem)
#define L_LBMPDM_FIELD_INFO_T_NUM_ARR_ELEM SIZEOF(lbmpdm_field_info_t, num_arr_elem)
#define O_LBMPDM_FIELD_INFO_T_REQ OFFSETOF(lbmpdm_field_info_t, req)
#define L_LBMPDM_FIELD_INFO_T_REQ SIZEOF(lbmpdm_field_info_t, req)
#define O_LBMPDM_FIELD_INFO_T_FIXED OFFSETOF(lbmpdm_field_info_t, fixed)
#define L_LBMPDM_FIELD_INFO_T_FIXED SIZEOF(lbmpdm_field_info_t, fixed)
#define O_LBMPDM_FIELD_INFO_T_FLD_INT_NAME (O_LBMPDM_FIELD_INFO_T_FIXED + L_LBMPDM_FIELD_INFO_T_FIXED)
#define L_LBMPDM_FIELD_INFO_T_FLD_INT_NAME 4
#define O_LBMPDM_FIELD_INFO_T_STR_NAME_LEN (O_LBMPDM_FIELD_INFO_T_FLD_INT_NAME + L_LBMPDM_FIELD_INFO_T_FLD_INT_NAME)
#define L_LBMPDM_FIELD_INFO_T_STR_NAME_LEN 4
#define L_LBMPDM_FIELD_INFO_T (O_LBMPDM_FIELD_INFO_T_STR_NAME_LEN + L_LBMPDM_FIELD_INFO_T_STR_NAME_LEN)
#define L_LBMPDM_FIELD_INFO_T_INT_NAME (gint) (L_LBMPDM_FIELD_INFO_T + 2)
/*---------------------------------*/
/* PDM offset table segment entry. */
/*---------------------------------*/
typedef struct
{
guint32 id;
guint32 offset;
} lbmpdm_offset_entry_t;
#define O_LBMPDM_OFFSET_ENTRY_T_ID OFFSETOF(lbmpdm_offset_entry_t, id)
#define L_LBMPDM_OFFSET_ENTRY_T_ID SIZEOF(lbmpdm_offset_entry_t, id)
#define O_LBMPDM_OFFSET_ENTRY_T_OFFSET OFFSETOF(lbmpdm_offset_entry_t, offset)
#define L_LBMPDM_OFFSET_ENTRY_T_OFFSET SIZEOF(lbmpdm_offset_entry_t, offset)
#define L_LBMPDM_OFFSET_ENTRY_T (gint) sizeof(lbmpdm_offset_entry_t)
/*-----------------------------------*/
/* Header types (value of next_hdr). */
/*-----------------------------------*/
#define PDM_HDR_TYPE_DATA 0
#define PDM_HDR_TYPE_OFSTTBLE 1
#define PDM_HDR_TYPE_DEFN 2
#define PDM_HDR_TYPE_EOM 0xFF
/* PDM protocol version number.
*/
#define PDM_VERS 1
/*------------------*/
/* PDM field types. */
/*------------------*/
#define PDM_TYPE_BOOLEAN 0
#define PDM_TYPE_INT8 1
#define PDM_TYPE_UINT8 2
#define PDM_TYPE_INT16 3
#define PDM_TYPE_UINT16 4
#define PDM_TYPE_INT32 5
#define PDM_TYPE_UINT32 6
#define PDM_TYPE_INT64 7
#define PDM_TYPE_UINT64 8
#define PDM_TYPE_FLOAT 9
#define PDM_TYPE_DOUBLE 10
#define PDM_TYPE_DECIMAL 11
#define PDM_TYPE_TIMESTAMP 12
#define PDM_TYPE_FIX_STRING 13
#define PDM_TYPE_STRING 14
#define PDM_TYPE_FIX_UNICODE 15
#define PDM_TYPE_UNICODE 16
#define PDM_TYPE_BLOB 17
#define PDM_TYPE_MESSAGE 18
#define PDM_TYPE_BOOLEAN_ARR 19
#define PDM_TYPE_INT8_ARR 20
#define PDM_TYPE_UINT8_ARR 21
#define PDM_TYPE_INT16_ARR 22
#define PDM_TYPE_UINT16_ARR 23
#define PDM_TYPE_INT32_ARR 24
#define PDM_TYPE_UINT32_ARR 25
#define PDM_TYPE_INT64_ARR 26
#define PDM_TYPE_UINT64_ARR 27
#define PDM_TYPE_FLOAT_ARR 28
#define PDM_TYPE_DOUBLE_ARR 29
#define PDM_TYPE_DECIMAL_ARR 30
#define PDM_TYPE_TIMESTAMP_ARR 31
#define PDM_TYPE_FIX_STRING_ARR 32
#define PDM_TYPE_STRING_ARR 33
#define PDM_TYPE_FIX_UNICODE_ARR 34
#define PDM_TYPE_UNICODE_ARR 35
#define PDM_TYPE_BLOB_ARR 36
#define PDM_TYPE_MESSAGE_ARR 37
/* Macros for protocol version number and pdm message type.
*/
#define PDM_HDR_VER(x) (x >> 4)
#define PDM_HDR_TYPE(x) (x & 0xF)
#define PDM_HDR_VER_TYPE(v,t) ((v << 4)|(t & 0xF))
#define PDM_HDR_VER_TYPE_VER_MASK 0xf0
#define PDM_HDR_VER_TYPE_TYPE_MASK 0x0f
#define PDM_IGNORE_FLAG 0x80
#define PDM_DEFN_STR_FIELD_NAMES 0
#define PDM_DEFN_INT_FIELD_NAMES 1
#define PDM_DEFN_OPTIONAL_FIELD 0
#define PDM_DEFN_REQUIRED_FIELD 1
#define PDM_DEFN_VARIABLE_LENGTH_FIELD 0
#define PDM_DEFN_FIXED_LENGTH_FIELD 1
typedef struct
{
guint32 num_flds;
gint32 * min_set_offset;
gint32 * offset_list;
} lbmpdm_offset_table_t;
struct lbmpdm_definition_field_t_stct;
typedef struct lbmpdm_definition_field_t_stct lbmpdm_definition_field_t;
struct lbmpdm_definition_t_stct;
typedef struct lbmpdm_definition_t_stct lbmpdm_definition_t;
struct lbmpdm_definition_field_t_stct
{
guint32 id;
guint32 len;
guint32 fixed_string_len;
guint32 num_array_elem;
guint8 required;
guint8 fixed;
guint16 field_type;
guint16 base_type;
gint32 field_int_name;
guint32 field_string_name_len;
char * field_string_name;
int fixed_required_offset;
lbmpdm_definition_field_t * next_fixed_required;
lbmpdm_definition_t * definition;
};
struct lbmpdm_definition_t_stct
{
guint64 channel;
guint32 id;
guint8 vers_major;
guint8 vers_minor;
gint32 num_fields;
guint8 field_names_type;
guint8 finalized;
guint32 fixed_req_section_len;
guint32 fixed_required_count;
lbmpdm_definition_field_t * first_fixed_required;
wmem_tree_t * field_list;
};
typedef struct
{
guint64 channel;
guint32 msg_def_id;
guint8 ver_major;
guint8 ver_minor;
lbmpdm_offset_table_t * offset_table;
} lbmpdm_msg_definition_id_t;
#define LBMPDM_DEFINITION_KEY_ELEMENT_COUNT 5
#define LBMPDM_DEFINITION_KEY_ELEMENT_CHANNEL_HIGH 0
#define LBMPDM_DEFINITION_KEY_ELEMENT_CHANNEL_LOW 1
#define LBMPDM_DEFINITION_KEY_ELEMENT_ID 2
#define LBMPDM_DEFINITION_KEY_ELEMENT_VERS_MAJOR 3
#define LBMPDM_DEFINITION_KEY_ELEMENT_VERS_MINOR 4
static wmem_tree_t * lbmpdm_definition_table = NULL;
/*----------------------------------------------------------------------------*/
/* Handles of all types. */
/*----------------------------------------------------------------------------*/
/* Protocol handle */
static int proto_lbmpdm = -1;
/* Protocol fields */
static int hf_lbmpdm_magic = -1;
static int hf_lbmpdm_encoding = -1;
static int hf_lbmpdm_ver = -1;
static int hf_lbmpdm_type = -1;
static int hf_lbmpdm_next_hdr = -1;
static int hf_lbmpdm_def_major_ver = -1;
static int hf_lbmpdm_def_minor_ver = -1;
static int hf_lbmpdm_def_id = -1;
static int hf_lbmpdm_len = -1;
static int hf_lbmpdm_segments = -1;
static int hf_lbmpdm_segment = -1;
static int hf_lbmpdm_segment_next_hdr = -1;
static int hf_lbmpdm_segment_flags = -1;
static int hf_lbmpdm_segment_res = -1;
static int hf_lbmpdm_segment_len = -1;
static int hf_lbmpdm_segment_def_id = -1;
static int hf_lbmpdm_segment_def_num_fields = -1;
static int hf_lbmpdm_segment_def_field_names_type = -1;
static int hf_lbmpdm_segment_def_finalized = -1;
static int hf_lbmpdm_segment_def_msg_vers_major = -1;
static int hf_lbmpdm_segment_def_msg_vers_minor = -1;
static int hf_lbmpdm_segment_def_fixed_req_section_len = -1;
static int hf_lbmpdm_segment_def_field_info_len = -1;
static int hf_lbmpdm_segment_def_field = -1;
static int hf_lbmpdm_segment_def_field_def_len = -1;
static int hf_lbmpdm_segment_def_field_id = -1;
static int hf_lbmpdm_segment_def_field_len = -1;
static int hf_lbmpdm_segment_def_field_fixed_str_len = -1;
static int hf_lbmpdm_segment_def_field_num_arr_elem = -1;
static int hf_lbmpdm_segment_def_field_req = -1;
static int hf_lbmpdm_segment_def_field_fixed = -1;
static int hf_lbmpdm_segment_def_field_fld_int_name = -1;
static int hf_lbmpdm_segment_def_field_str_name_len = -1;
static int hf_lbmpdm_segment_def_field_str_name = -1;
static int hf_lbmpdm_segment_def_field_fld_type = -1;
static int hf_lbmpdm_offset_entry = -1;
static int hf_lbmpdm_offset_entry_id = -1;
static int hf_lbmpdm_offset_entry_offset = -1;
static int hf_lbmpdm_segment_data = -1;
static int hf_lbmpdm_field = -1;
static int hf_lbmpdm_field_id = -1;
static int hf_lbmpdm_field_string_name = -1;
static int hf_lbmpdm_field_int_name = -1;
static int hf_lbmpdm_field_type = -1;
static int hf_lbmpdm_field_total_length = -1;
static int hf_lbmpdm_field_length = -1;
static int hf_lbmpdm_field_value_boolean = -1;
static int hf_lbmpdm_field_value_int8 = -1;
static int hf_lbmpdm_field_value_uint8 = -1;
static int hf_lbmpdm_field_value_int16 = -1;
static int hf_lbmpdm_field_value_uint16 = -1;
static int hf_lbmpdm_field_value_int32 = -1;
static int hf_lbmpdm_field_value_uint32 = -1;
static int hf_lbmpdm_field_value_int64 = -1;
static int hf_lbmpdm_field_value_uint64 = -1;
static int hf_lbmpdm_field_value_float = -1;
static int hf_lbmpdm_field_value_double = -1;
static int hf_lbmpdm_field_value_decimal = -1;
static int hf_lbmpdm_field_value_timestamp = -1;
static int hf_lbmpdm_field_value_fixed_string = -1;
static int hf_lbmpdm_field_value_string = -1;
static int hf_lbmpdm_field_value_fixed_unicode = -1;
static int hf_lbmpdm_field_value_unicode = -1;
static int hf_lbmpdm_field_value_blob = -1;
static int hf_lbmpdm_field_value_message = -1;
/* Protocol trees */
static gint ett_lbmpdm = -1;
static gint ett_lbmpdm_segments = -1;
static gint ett_lbmpdm_segment = -1;
static gint ett_lbmpdm_offset_entry = -1;
static gint ett_lbmpdm_segment_def_field = -1;
static gint ett_lbmpdm_field = -1;
/*----------------------------------------------------------------------------*/
/* Value translation tables. */
/*----------------------------------------------------------------------------*/
/* Value tables */
static const value_string lbmpdm_field_type[] =
{
{ PDM_TYPE_BOOLEAN, "Boolean" },
{ PDM_TYPE_INT8, "8-bit integer" },
{ PDM_TYPE_UINT8, "8-bit unsigned integer" },
{ PDM_TYPE_INT16, "16-bit integer" },
{ PDM_TYPE_UINT16, "16-bit unsigned integer" },
{ PDM_TYPE_INT32, "32-bit integer" },
{ PDM_TYPE_UINT32, "32-bit unsigned integer" },
{ PDM_TYPE_INT64, "64-bit integer" },
{ PDM_TYPE_UINT64, "64-bit unsigned integer" },
{ PDM_TYPE_FLOAT, "Float" },
{ PDM_TYPE_DOUBLE, "Double" },
{ PDM_TYPE_DECIMAL, "Decimal" },
{ PDM_TYPE_TIMESTAMP, "Timestamp" },
{ PDM_TYPE_FIX_STRING, "Fixed-length string" },
{ PDM_TYPE_STRING, "String" },
{ PDM_TYPE_FIX_UNICODE, "Fixed-length unicode string" },
{ PDM_TYPE_UNICODE, "Unicode string" },
{ PDM_TYPE_BLOB, "Binary Large OBject" },
{ PDM_TYPE_MESSAGE, "Message" },
{ PDM_TYPE_BOOLEAN_ARR, "Array of booleans" },
{ PDM_TYPE_INT8_ARR, "Array of 8-bit integers" },
{ PDM_TYPE_UINT8_ARR, "Array of 8-bit unsigned integers" },
{ PDM_TYPE_INT16_ARR, "Array of 16-bit integers" },
{ PDM_TYPE_UINT16_ARR, "Array of 16-bit unsigned integers" },
{ PDM_TYPE_INT32_ARR, "Array of 32-bit integers" },
{ PDM_TYPE_UINT32_ARR, "Array of 32-bit unsigned integers" },
{ PDM_TYPE_INT64_ARR, "Array of 64-bit integers" },
{ PDM_TYPE_UINT64_ARR, "Array of 64-bit unsigned integers" },
{ PDM_TYPE_FLOAT_ARR, "Array of floats" },
{ PDM_TYPE_DOUBLE_ARR, "Array of doubles" },
{ PDM_TYPE_DECIMAL_ARR, "Array of decimals" },
{ PDM_TYPE_TIMESTAMP_ARR, "Array of timestamps" },
{ PDM_TYPE_FIX_STRING_ARR, "Array of fixed-length strings" },
{ PDM_TYPE_STRING_ARR, "Array of strings" },
{ PDM_TYPE_FIX_UNICODE_ARR, "Array of fixed-length unicode strings" },
{ PDM_TYPE_UNICODE_ARR, "Array of unicode strings" },
{ PDM_TYPE_BLOB_ARR, "Array of Binary Large OBjects" },
{ PDM_TYPE_MESSAGE_ARR, "Array of messages" },
{ 0x0, NULL }
};
static const value_string lbmpdm_next_header[] =
{
{ PDM_HDR_TYPE_DATA, "Data" },
{ PDM_HDR_TYPE_OFSTTBLE, "Offset table" },
{ PDM_HDR_TYPE_DEFN, "Definition" },
{ PDM_HDR_TYPE_EOM, "End of message" },
{ 0x0, NULL }
};
static const value_string lbmpdm_field_name_type[] =
{
{ PDM_DEFN_STR_FIELD_NAMES, "String" },
{ PDM_DEFN_INT_FIELD_NAMES, "Integer" },
{ 0x0, NULL }
};
static const value_string lbmpdm_field_required[] =
{
{ PDM_DEFN_OPTIONAL_FIELD, "Field is optional" },
{ PDM_DEFN_REQUIRED_FIELD, "Field is required" },
{ 0x0, NULL }
};
static const value_string lbmpdm_field_fixed_length[] =
{
{ PDM_DEFN_VARIABLE_LENGTH_FIELD, "Field is variable-length" },
{ PDM_DEFN_FIXED_LENGTH_FIELD, "Field is fixed-length" },
{ 0x0, NULL }
};
static int lbmpdm_get_segment_length(tvbuff_t * tvb, int offset, int encoding, int * data_length)
{
guint32 datalen = 0;
int seglen = 0;
datalen = tvb_get_guint32(tvb, offset + O_LBMPDM_SEG_HDR_T_LEN, encoding);
seglen = ((int)datalen) + L_LBMPDM_SEG_HDR_T;
*data_length = (int) datalen;
return (seglen);
}
static void lbmpdm_definition_build_key(guint32 * key_value, wmem_tree_key_t * key, guint64 channel, guint32 id, guint8 version_major, guint8 version_minor)
{
key_value[LBMPDM_DEFINITION_KEY_ELEMENT_CHANNEL_HIGH] = (guint32) ((channel >> 32) & 0xffffffff);
key_value[LBMPDM_DEFINITION_KEY_ELEMENT_CHANNEL_LOW] = (guint32) (channel & 0xffffffff);
key_value[LBMPDM_DEFINITION_KEY_ELEMENT_ID] = id;
key_value[LBMPDM_DEFINITION_KEY_ELEMENT_VERS_MAJOR] = version_major;
key_value[LBMPDM_DEFINITION_KEY_ELEMENT_VERS_MINOR] = version_minor;
key[0].length = LBMPDM_DEFINITION_KEY_ELEMENT_COUNT;
key[0].key = key_value;
key[1].length = 0;
key[1].key = NULL;
}
static lbmpdm_definition_t * lbmpdm_definition_find(guint64 channel, guint32 ID, guint8 version_major, guint8 version_minor)
{
lbmpdm_definition_t * entry = NULL;
guint32 keyval[LBMPDM_DEFINITION_KEY_ELEMENT_COUNT];
wmem_tree_key_t tkey[2];
lbmpdm_definition_build_key(keyval, tkey, channel, ID, version_major, version_minor);
entry = (lbmpdm_definition_t *) wmem_tree_lookup32_array(lbmpdm_definition_table, tkey);
return (entry);
}
static lbmpdm_definition_t * lbmpdm_definition_add(guint64 channel, guint32 id, guint8 version_major, guint8 version_minor)
{
lbmpdm_definition_t * entry = NULL;
guint32 keyval[LBMPDM_DEFINITION_KEY_ELEMENT_COUNT];
wmem_tree_key_t tkey[2];
entry = lbmpdm_definition_find(channel, id, version_major, version_minor);
if (entry != NULL)
{
return (entry);
}
entry = wmem_new(wmem_file_scope(), lbmpdm_definition_t);
entry->channel = channel;
entry->id = id;
entry->vers_major = version_major;
entry->vers_minor = version_minor;
entry->field_list = wmem_tree_new(wmem_file_scope());
lbmpdm_definition_build_key(keyval, tkey, channel, id, version_major, version_minor);
wmem_tree_insert32_array(lbmpdm_definition_table, tkey, (void *) entry);
return (entry);
}
static lbmpdm_definition_field_t * lbmpdm_definition_field_find(lbmpdm_definition_t * definition, guint32 id)
{
lbmpdm_definition_field_t * entry = NULL;
entry = (lbmpdm_definition_field_t *) wmem_tree_lookup32(definition->field_list, id);
return (entry);
}
static lbmpdm_definition_field_t * lbmpdm_definition_field_add(lbmpdm_definition_t * definition, guint32 id)
{
lbmpdm_definition_field_t * entry = NULL;
entry = lbmpdm_definition_field_find(definition, id);
if (entry != NULL)
{
return (entry);
}
entry = wmem_new0(wmem_file_scope(), lbmpdm_definition_field_t);
entry->id = id;
entry->definition = definition;
wmem_tree_insert32(definition->field_list, id, (void *) entry);
return (entry);
}
/*----------------------------------------------------------------------------*/
/* Dissection functions. */
/*----------------------------------------------------------------------------*/
static void dissect_field_value(tvbuff_t * tvb, int offset, proto_tree * tree, guint16 field_type, int field_length, int encoding)
{
switch (field_type)
{
case PDM_TYPE_BOOLEAN:
proto_tree_add_item(tree, hf_lbmpdm_field_value_boolean, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_INT8:
proto_tree_add_item(tree, hf_lbmpdm_field_value_int8, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_UINT8:
proto_tree_add_item(tree, hf_lbmpdm_field_value_uint8, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_INT16:
proto_tree_add_item(tree, hf_lbmpdm_field_value_int16, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_UINT16:
proto_tree_add_item(tree, hf_lbmpdm_field_value_uint16, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_INT32:
proto_tree_add_item(tree, hf_lbmpdm_field_value_int32, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_UINT32:
proto_tree_add_item(tree, hf_lbmpdm_field_value_uint32, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_INT64:
proto_tree_add_item(tree, hf_lbmpdm_field_value_int64, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_UINT64:
proto_tree_add_item(tree, hf_lbmpdm_field_value_uint64, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_FLOAT:
proto_tree_add_item(tree, hf_lbmpdm_field_value_float, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_DOUBLE:
proto_tree_add_item(tree, hf_lbmpdm_field_value_double, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_DECIMAL:
{
gint64 mantissa;
gint8 exponent;
gint64 whole = 0;
guint64 fraction = 0;
gint8 shift_count;
exponent = tvb_get_gint8(tvb, offset);
mantissa = tvb_get_gint64(tvb, offset + 1, encoding);
if (exponent >= 0)
{
whole = mantissa;
shift_count = exponent;
while (shift_count > 0)
{
whole *= 10;
shift_count--;
}
proto_tree_add_none_format(tree, hf_lbmpdm_field_value_decimal, tvb, offset, field_length,
"DECIMAL Value: %" PRId64 " (%" PRId64 "e%d)", whole, mantissa, exponent);
}
else
{
guint64 divisor = 1;
int decimal_digits = -exponent;
shift_count = decimal_digits;
while (shift_count > 0)
{
divisor *= 10;
shift_count--;
}
if (mantissa < 0)
{
whole = -mantissa;
}
else
{
whole = mantissa;
}
fraction = whole % divisor;
whole /= divisor;
if (mantissa < 0)
{
whole *= -1;
}
proto_tree_add_none_format(tree, hf_lbmpdm_field_value_decimal, tvb, offset, field_length,
"DECIMAL Value: %" PRId64 ".%0*" PRIu64 " (%" PRId64 "e%d)",
whole, decimal_digits, fraction, mantissa, exponent);
}
}
break;
case PDM_TYPE_TIMESTAMP:
{
nstime_t timestamp;
timestamp.secs = (time_t)tvb_get_guint32(tvb, offset, encoding);
timestamp.nsecs = (int)(tvb_get_guint32(tvb, offset + 4, encoding) * 1000);
proto_tree_add_time(tree, hf_lbmpdm_field_value_timestamp, tvb, offset, field_length, &timestamp);
}
break;
case PDM_TYPE_FIX_STRING:
proto_tree_add_item(tree, hf_lbmpdm_field_value_fixed_string, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_STRING:
proto_tree_add_item(tree, hf_lbmpdm_field_value_string, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_FIX_UNICODE:
proto_tree_add_item(tree, hf_lbmpdm_field_value_fixed_unicode, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_UNICODE:
proto_tree_add_item(tree, hf_lbmpdm_field_value_unicode, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_BLOB:
proto_tree_add_item(tree, hf_lbmpdm_field_value_blob, tvb, offset, field_length, encoding);
break;
case PDM_TYPE_MESSAGE:
proto_tree_add_item(tree, hf_lbmpdm_field_value_message, tvb, offset, field_length, encoding);
break;
default:
break;
}
}
static int dissect_field(tvbuff_t * tvb, int offset, proto_tree * tree, lbmpdm_definition_field_t * field, gboolean string_field_names, int encoding)
{
proto_item * field_item = NULL;
proto_tree * field_tree = NULL;
proto_item * ti = NULL;
int ofs = offset;
guint32 element_count = 0;
guint32 idx;
int len_dissected = 0;
field_item = proto_tree_add_item(tree, hf_lbmpdm_field, tvb, offset, field->len, ENC_NA);
field_tree = proto_item_add_subtree(field_item, ett_lbmpdm_field);
ti = proto_tree_add_uint(field_tree, hf_lbmpdm_field_id, tvb, 0, 0, field->id);
proto_item_set_generated(ti);
if (string_field_names)
{
ti = proto_tree_add_string(field_tree, hf_lbmpdm_field_string_name, tvb, 0, 0, field->field_string_name);
}
else
{
ti = proto_tree_add_uint(field_tree, hf_lbmpdm_field_int_name, tvb, 0, 0, field->field_int_name);
}
proto_item_set_generated(ti);
ti = proto_tree_add_uint(field_tree, hf_lbmpdm_field_type, tvb, 0, 0, field->field_type);
proto_item_set_generated(ti);
if (field->num_array_elem == 0)
{
element_count = 1;
}
else
{
element_count = field->num_array_elem;
if (field->fixed == PDM_DEFN_VARIABLE_LENGTH_FIELD)
{
proto_tree_add_item(field_tree, hf_lbmpdm_field_total_length, tvb, ofs, 4, encoding);
len_dissected += 4;
ofs += 4;
}
}
for (idx = 0; idx < element_count; ++idx)
{
/* field_len is length of the entire entry, including any length prefix. */
guint32 field_len = field->len / element_count;
/* value_len is the length of the data only. */
guint32 value_len = field_len;
/* value_offset is the offset of the actual value. */
int value_offset = ofs;
if (field->fixed == PDM_DEFN_VARIABLE_LENGTH_FIELD)
{
proto_tree_add_item(field_tree, hf_lbmpdm_field_length, tvb, ofs, 4, encoding);
value_len = tvb_get_guint32(tvb, ofs, encoding);
field_len = value_len + 4;
value_offset += 4;
}
else if (field->fixed_string_len > 0)
{
value_len = field->fixed_string_len;
}
dissect_field_value(tvb, value_offset, field_tree, field->base_type, value_len, encoding);
ofs += (int)field_len;
len_dissected += (int)field_len;
}
return (len_dissected);
}
static int dissect_segment_data(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, lbmpdm_msg_definition_id_t * id, int encoding)
{
proto_item * subtree_item = NULL;
proto_tree * subtree = NULL;
int datalen = 0;
int seglen = 0;
lbmpdm_definition_t * def = NULL;
seglen = lbmpdm_get_segment_length(tvb, offset, encoding, &datalen);
subtree_item = proto_tree_add_none_format(tree, hf_lbmpdm_segment, tvb, offset, seglen, "Data Segment");
subtree = proto_item_add_subtree(subtree_item, ett_lbmpdm_segment);
proto_tree_add_item(subtree, hf_lbmpdm_segment_next_hdr, tvb, offset + O_LBMPDM_SEG_HDR_T_NEXT_HDR, L_LBMPDM_SEG_HDR_T_NEXT_HDR, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_flags, tvb, offset + O_LBMPDM_SEG_HDR_T_FLAGS, L_LBMPDM_SEG_HDR_T_FLAGS, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_res, tvb, offset + O_LBMPDM_SEG_HDR_T_RES, L_LBMPDM_SEG_HDR_T_RES, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_len, tvb, offset + O_LBMPDM_SEG_HDR_T_LEN, L_LBMPDM_SEG_HDR_T_LEN, encoding);
if ((id != NULL) && (id->offset_table != NULL))
{
def = lbmpdm_definition_find(id->channel, id->msg_def_id, id->ver_major, id->ver_minor);
}
if (def == NULL)
{
proto_tree_add_item(subtree, hf_lbmpdm_segment_data, tvb, offset + L_LBMPDM_SEG_HDR_T, datalen, ENC_NA);
}
else
{
int fld_offset = offset + L_LBMPDM_SEG_HDR_T;
lbmpdm_definition_field_t * field = NULL;
gboolean string_field_names = FALSE;
guint32 idx;
if (def->field_names_type == PDM_DEFN_STR_FIELD_NAMES)
{
string_field_names = TRUE;
}
else
{
string_field_names = FALSE;
}
/* Handle any fixed required fields first. */
for (field = def->first_fixed_required; field != NULL; field = field->next_fixed_required)
{
fld_offset += dissect_field(tvb, fld_offset, subtree, field, string_field_names, encoding);
}
/* Step through the offset table. */
for (idx = 0; idx < id->offset_table->num_flds; ++idx)
{
gint32 ofs = id->offset_table->offset_list[idx];
if (ofs != -1)
{
field = lbmpdm_definition_field_find(def, idx);
if (field != NULL)
{
(void)dissect_field(tvb, offset + L_LBMPDM_SEG_HDR_T + ofs, subtree, field, string_field_names, encoding);
}
}
}
}
return (seglen);
}
static int dissect_segment_ofstable(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, lbmpdm_offset_table_t * * offset_table, int encoding)
{
proto_item * subtree_item = NULL;
proto_tree * subtree = NULL;
int datalen = 0;
int seglen = 0;
int ofs = 0;
int field_count = 0;
int idx;
gint32 * id_list = NULL;
gint32 * ofs_list = NULL;
gint32 max_index = -1;
gint32 min_offset = G_MAXINT32;
lbmpdm_offset_table_t * ofs_table = NULL;
seglen = lbmpdm_get_segment_length(tvb, offset, encoding, &datalen);
subtree_item = proto_tree_add_none_format(tree, hf_lbmpdm_segment, tvb, offset, seglen, "Offset Table Segment");
subtree = proto_item_add_subtree(subtree_item, ett_lbmpdm_segment);
proto_tree_add_item(subtree, hf_lbmpdm_segment_next_hdr, tvb, offset + O_LBMPDM_SEG_HDR_T_NEXT_HDR, L_LBMPDM_SEG_HDR_T_NEXT_HDR, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_flags, tvb, offset + O_LBMPDM_SEG_HDR_T_FLAGS, L_LBMPDM_SEG_HDR_T_FLAGS, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_res, tvb, offset + O_LBMPDM_SEG_HDR_T_RES, L_LBMPDM_SEG_HDR_T_RES, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_len, tvb, offset + O_LBMPDM_SEG_HDR_T_LEN, L_LBMPDM_SEG_HDR_T_LEN, encoding);
field_count = datalen / L_LBMPDM_OFFSET_ENTRY_T;
id_list = wmem_alloc_array(pinfo->pool, gint32, field_count);
ofs_list = wmem_alloc_array(pinfo->pool, gint32, field_count);
for (idx = 0; idx < field_count; ++idx)
{
id_list[idx] = -1;
ofs_list[idx] = -1;
}
ofs = offset + L_LBMPDM_SEG_HDR_T;
for (idx = 0; idx < field_count; idx++, ofs += L_LBMPDM_OFFSET_ENTRY_T)
{
proto_item * offset_item = NULL;
proto_tree * offset_tree = NULL;
offset_item = proto_tree_add_item(subtree, hf_lbmpdm_offset_entry, tvb, ofs, L_LBMPDM_OFFSET_ENTRY_T, ENC_NA);
offset_tree = proto_item_add_subtree(offset_item, ett_lbmpdm_offset_entry);
proto_tree_add_item(offset_tree, hf_lbmpdm_offset_entry_id, tvb, ofs + O_LBMPDM_OFFSET_ENTRY_T_ID, L_LBMPDM_OFFSET_ENTRY_T_ID, encoding);
id_list[idx] = (gint32)tvb_get_guint32(tvb, ofs + O_LBMPDM_OFFSET_ENTRY_T_ID, encoding);
proto_tree_add_item(offset_tree, hf_lbmpdm_offset_entry_offset, tvb, ofs + O_LBMPDM_OFFSET_ENTRY_T_OFFSET, L_LBMPDM_OFFSET_ENTRY_T_OFFSET, encoding);
ofs_list[idx] = (gint32)tvb_get_guint32(tvb, ofs + O_LBMPDM_OFFSET_ENTRY_T_OFFSET, encoding);
if (id_list[idx] < 0 || ofs_list[idx] < 0) {
THROW(ReportedBoundsError);
}
if (id_list[idx] > max_index)
{
max_index = id_list[idx];
}
if (ofs_list[idx] < min_offset)
{
min_offset = ofs_list[idx];
}
}
ofs_table = wmem_new(pinfo->pool, lbmpdm_offset_table_t);
ofs_table->num_flds = max_index + 1;
ofs_table->min_set_offset = NULL;
ofs_table->offset_list = wmem_alloc_array(pinfo->pool, gint32, ofs_table->num_flds);
for (idx = 0; idx < (int)ofs_table->num_flds; ++idx)
{
ofs_table->offset_list[idx] = -1;
}
for (idx = 0; idx < field_count; ++idx)
{
ofs_table->offset_list[id_list[idx]] = ofs_list[idx];
if (ofs_list[idx] == min_offset)
{
ofs_table->min_set_offset = &(ofs_table->offset_list[id_list[idx]]);
}
}
if (offset_table != NULL)
{
*offset_table = ofs_table;
}
return (seglen);
}
static int dissect_segment_defn(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, guint64 channel, int encoding)
{
proto_item * subtree_item = NULL;
proto_tree * subtree = NULL;
int seglen = 0;
int ofs = 0;
gboolean string_field_name = FALSE;
int remaining_datalen = 0;
guint32 num_fields = 0;
lbmpdm_definition_t * def = NULL;
gboolean add_definition = FALSE;
guint32 def_id = 0;
guint8 vers_major = 0;
guint8 vers_minor = 0;
lbmpdm_definition_field_t * last_fixed_required_field = NULL;
seglen = lbmpdm_get_segment_length(tvb, offset, encoding, &remaining_datalen);
if (pinfo->fd->visited == 0)
{
add_definition = TRUE;
}
subtree_item = proto_tree_add_none_format(tree, hf_lbmpdm_segment, tvb, offset, seglen, "Definition Segment");
subtree = proto_item_add_subtree(subtree_item, ett_lbmpdm_segment);
proto_tree_add_item(subtree, hf_lbmpdm_segment_next_hdr, tvb, offset + O_LBMPDM_SEG_HDR_T_NEXT_HDR, L_LBMPDM_SEG_HDR_T_NEXT_HDR, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_flags, tvb, offset + O_LBMPDM_SEG_HDR_T_FLAGS, L_LBMPDM_SEG_HDR_T_FLAGS, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_res, tvb, offset + O_LBMPDM_SEG_HDR_T_RES, L_LBMPDM_SEG_HDR_T_RES, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_len, tvb, offset + O_LBMPDM_SEG_HDR_T_LEN, L_LBMPDM_SEG_HDR_T_LEN, encoding);
ofs = offset + L_LBMPDM_SEG_HDR_T;
proto_tree_add_item(subtree, hf_lbmpdm_segment_def_id, tvb, ofs + O_LBMPDM_DEFN_T_ID, L_LBMPDM_DEFN_T_ID, encoding);
def_id = tvb_get_guint32(tvb, ofs + O_LBMPDM_DEFN_T_ID, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_def_num_fields, tvb, ofs + O_LBMPDM_DEFN_T_NUM_FIELDS, L_LBMPDM_DEFN_T_NUM_FIELDS, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_def_field_names_type, tvb, ofs + O_LBMPDM_DEFN_T_FIELD_NAMES_TYPE, L_LBMPDM_DEFN_T_FIELD_NAMES_TYPE, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_def_finalized, tvb, ofs + O_LBMPDM_DEFN_T_FINALIZED, L_LBMPDM_DEFN_T_FINALIZED, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_def_msg_vers_major, tvb, ofs + O_LBMPDM_DEFN_T_MSG_VERS_MAJOR, L_LBMPDM_DEFN_T_MSG_VERS_MAJOR, encoding);
vers_major = tvb_get_guint8(tvb, ofs + O_LBMPDM_DEFN_T_MSG_VERS_MAJOR);
proto_tree_add_item(subtree, hf_lbmpdm_segment_def_msg_vers_minor, tvb, ofs + O_LBMPDM_DEFN_T_MSG_VERS_MINOR, L_LBMPDM_DEFN_T_MSG_VERS_MINOR, encoding);
vers_minor = tvb_get_guint8(tvb, ofs + O_LBMPDM_DEFN_T_MSG_VERS_MINOR);
proto_tree_add_item(subtree, hf_lbmpdm_segment_def_fixed_req_section_len, tvb, ofs + O_LBMPDM_DEFN_T_FIXED_REQ_SECTION_LEN, L_LBMPDM_DEFN_T_FIXED_REQ_SECTION_LEN, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_def_field_info_len, tvb, ofs + O_LBMPDM_DEFN_T_FIELD_INFO_LEN, L_LBMPDM_DEFN_T_FIELD_INFO_LEN, encoding);
if (tvb_get_guint8(tvb, ofs + O_LBMPDM_DEFN_T_FIELD_NAMES_TYPE) == PDM_DEFN_STR_FIELD_NAMES)
{
string_field_name = TRUE;
}
num_fields = tvb_get_guint32(tvb, ofs + O_LBMPDM_DEFN_T_NUM_FIELDS, encoding);
if (add_definition)
{
def = lbmpdm_definition_find(channel, def_id, vers_major, vers_minor);
if (def == NULL)
{
def = lbmpdm_definition_add(channel, def_id, vers_major, vers_minor);
def->num_fields = num_fields;
def->field_names_type = tvb_get_guint8(tvb, ofs + O_LBMPDM_DEFN_T_FIELD_NAMES_TYPE);
def->fixed_req_section_len = tvb_get_guint32(tvb, ofs + O_LBMPDM_DEFN_T_FIXED_REQ_SECTION_LEN, encoding);
def->first_fixed_required = NULL;
def->fixed_required_count = 0;
}
}
ofs += L_LBMPDM_DEFN_T;
remaining_datalen = seglen - L_LBMPDM_SEG_HDR_T - L_LBMPDM_DEFN_T;
while ((remaining_datalen > 0) && (num_fields > 0))
{
proto_item * field_item = NULL;
proto_tree * field_tree = NULL;
guint32 def_len = L_LBMPDM_FIELD_INFO_T_INT_NAME;
int def_ofs = 0;
int type_ofs = L_LBMPDM_FIELD_INFO_T;
guint32 string_name_len = 0;
int string_name_ofs = -1;
if (string_field_name)
{
def_len = tvb_get_guint32(tvb, ofs, encoding) + 4;
}
field_item = proto_tree_add_item(subtree, hf_lbmpdm_segment_def_field, tvb, ofs, def_len, ENC_NA);
field_tree = proto_item_add_subtree(field_item, ett_lbmpdm_segment_def_field);
if (string_field_name)
{
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_def_len, tvb, ofs, 4, encoding);
def_ofs = 4;
type_ofs += def_ofs;
}
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_id, tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_ID, L_LBMPDM_FIELD_INFO_T_ID, encoding);
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_len, tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_LEN, L_LBMPDM_FIELD_INFO_T_LEN, encoding);
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_fixed_str_len, tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_FIXED_STR_LEN, L_LBMPDM_FIELD_INFO_T_FIXED_STR_LEN, encoding);
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_num_arr_elem, tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_NUM_ARR_ELEM, L_LBMPDM_FIELD_INFO_T_NUM_ARR_ELEM, encoding);
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_req, tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_REQ, L_LBMPDM_FIELD_INFO_T_REQ, encoding);
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_fixed, tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_FIXED, L_LBMPDM_FIELD_INFO_T_FIXED, encoding);
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_fld_int_name, tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_FLD_INT_NAME, L_LBMPDM_FIELD_INFO_T_FLD_INT_NAME, encoding);
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_str_name_len, tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_STR_NAME_LEN, L_LBMPDM_FIELD_INFO_T_STR_NAME_LEN, encoding);
if (string_field_name)
{
string_name_len = tvb_get_guint32(tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_STR_NAME_LEN, encoding);
if (string_name_len > 0)
{
string_name_ofs = ofs + def_ofs + L_LBMPDM_FIELD_INFO_T;
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_str_name, tvb, string_name_ofs, (int)string_name_len, ENC_ASCII);
type_ofs += string_name_len;
}
}
proto_tree_add_item(field_tree, hf_lbmpdm_segment_def_field_fld_type, tvb, ofs + type_ofs, 2, encoding);
if (add_definition && (def != NULL))
{
lbmpdm_definition_field_t * field = NULL;
guint32 field_id;
field_id = tvb_get_guint32(tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_ID, encoding);
field = lbmpdm_definition_field_find(def, field_id);
if (field == NULL)
{
field = lbmpdm_definition_field_add(def, field_id);
if (field != NULL)
{
field->len = tvb_get_guint32(tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_LEN, encoding);
field->fixed_string_len = tvb_get_guint32(tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_FIXED_STR_LEN, encoding);
field->num_array_elem = tvb_get_guint32(tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_NUM_ARR_ELEM, encoding);
field->required = tvb_get_guint8(tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_REQ);
field->fixed = tvb_get_guint8(tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_FIXED);
field->field_int_name = tvb_get_guint32(tvb, ofs + def_ofs + O_LBMPDM_FIELD_INFO_T_FLD_INT_NAME, encoding);
if (string_field_name && (string_name_len > 0))
{
field->field_string_name_len = string_name_len;
field->field_string_name = tvb_get_string_enc(wmem_file_scope(), tvb, string_name_ofs, string_name_len, ENC_ASCII);
}
else
{
field->field_string_name_len = 0;
field->field_string_name = NULL;
}
field->field_type = tvb_get_guint16(tvb, ofs + type_ofs, encoding);
switch (field->field_type)
{
case PDM_TYPE_BOOLEAN:
case PDM_TYPE_BOOLEAN_ARR:
field->base_type = PDM_TYPE_BOOLEAN;
break;
case PDM_TYPE_INT8:
case PDM_TYPE_INT8_ARR:
field->base_type = PDM_TYPE_INT8;
break;
case PDM_TYPE_UINT8:
case PDM_TYPE_UINT8_ARR:
field->base_type = PDM_TYPE_UINT8;
break;
case PDM_TYPE_INT16:
case PDM_TYPE_INT16_ARR:
field->base_type = PDM_TYPE_INT16;
break;
case PDM_TYPE_UINT16:
case PDM_TYPE_UINT16_ARR:
field->base_type = PDM_TYPE_UINT16;
break;
case PDM_TYPE_INT32:
case PDM_TYPE_INT32_ARR:
field->base_type = PDM_TYPE_INT32;
break;
case PDM_TYPE_UINT32:
case PDM_TYPE_UINT32_ARR:
field->base_type = PDM_TYPE_UINT32;
break;
case PDM_TYPE_INT64:
case PDM_TYPE_INT64_ARR:
field->base_type = PDM_TYPE_INT64;
break;
case PDM_TYPE_UINT64:
case PDM_TYPE_UINT64_ARR:
field->base_type = PDM_TYPE_UINT64;
break;
case PDM_TYPE_FLOAT:
case PDM_TYPE_FLOAT_ARR:
field->base_type = PDM_TYPE_FLOAT;
break;
case PDM_TYPE_DOUBLE:
case PDM_TYPE_DOUBLE_ARR:
field->base_type = PDM_TYPE_DOUBLE;
break;
case PDM_TYPE_DECIMAL:
case PDM_TYPE_DECIMAL_ARR:
field->base_type = PDM_TYPE_DECIMAL;
break;
case PDM_TYPE_TIMESTAMP:
case PDM_TYPE_TIMESTAMP_ARR:
field->base_type = PDM_TYPE_TIMESTAMP;
break;
case PDM_TYPE_FIX_STRING:
case PDM_TYPE_FIX_STRING_ARR:
field->base_type = PDM_TYPE_FIX_STRING;
break;
case PDM_TYPE_STRING:
case PDM_TYPE_STRING_ARR:
field->base_type = PDM_TYPE_STRING;
break;
case PDM_TYPE_FIX_UNICODE:
case PDM_TYPE_FIX_UNICODE_ARR:
field->base_type = PDM_TYPE_FIX_UNICODE;
break;
case PDM_TYPE_UNICODE:
case PDM_TYPE_UNICODE_ARR:
field->base_type = PDM_TYPE_UNICODE;
break;
case PDM_TYPE_BLOB:
case PDM_TYPE_BLOB_ARR:
default:
field->base_type = PDM_TYPE_BLOB;
break;
case PDM_TYPE_MESSAGE:
case PDM_TYPE_MESSAGE_ARR:
field->base_type = PDM_TYPE_MESSAGE;
break;
}
if ((field->fixed == PDM_DEFN_FIXED_LENGTH_FIELD) && (field->required == PDM_DEFN_REQUIRED_FIELD))
{
if (last_fixed_required_field == NULL)
{
def->first_fixed_required = field;
field->fixed_required_offset = 0;
}
else
{
last_fixed_required_field->next_fixed_required = field;
field->fixed_required_offset = last_fixed_required_field->fixed_required_offset + last_fixed_required_field->len;
}
last_fixed_required_field = field;
def->fixed_required_count++;
}
}
}
}
ofs += def_len;
remaining_datalen -= def_len;
num_fields--;
}
return (seglen);
}
static int dissect_segment_unknown(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, int encoding)
{
proto_item * subtree_item = NULL;
proto_tree * subtree = NULL;
int datalen = 0;
int seglen = 0;
seglen = lbmpdm_get_segment_length(tvb, offset, encoding, &datalen);
subtree_item = proto_tree_add_none_format(tree, hf_lbmpdm_segment, tvb, offset, seglen, "Unknown Segment");
subtree = proto_item_add_subtree(subtree_item, ett_lbmpdm_segment);
proto_tree_add_item(subtree, hf_lbmpdm_segment_next_hdr, tvb, offset + O_LBMPDM_SEG_HDR_T_NEXT_HDR, L_LBMPDM_SEG_HDR_T_NEXT_HDR, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_flags, tvb, offset + O_LBMPDM_SEG_HDR_T_FLAGS, L_LBMPDM_SEG_HDR_T_FLAGS, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_res, tvb, offset + O_LBMPDM_SEG_HDR_T_RES, L_LBMPDM_SEG_HDR_T_RES, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_len, tvb, offset + O_LBMPDM_SEG_HDR_T_LEN, L_LBMPDM_SEG_HDR_T_LEN, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_segment_data, tvb, offset + L_LBMPDM_SEG_HDR_T, datalen, ENC_NA);
return (seglen);
}
static gboolean check_lbmpdm_encoding(tvbuff_t * tvb, int offset, int * encoding)
{
guint8 magic_byte_1;
guint8 magic_byte_2;
guint8 magic_byte_3;
guint8 magic_byte_4;
gboolean result = TRUE;
magic_byte_1 = tvb_get_guint8(tvb, offset);
magic_byte_2 = tvb_get_guint8(tvb, offset + 1);
magic_byte_3 = tvb_get_guint8(tvb, offset + 2);
magic_byte_4 = tvb_get_guint8(tvb, offset + 3);
if ((magic_byte_1 == PDM_MSG_HDR_BE_MAGIC_BYTE_1) && (magic_byte_2 == PDM_MSG_HDR_BE_MAGIC_BYTE_2)
&& (magic_byte_3 == PDM_MSG_HDR_BE_MAGIC_BYTE_3) && (magic_byte_4 == PDM_MSG_HDR_BE_MAGIC_BYTE_4))
{
*encoding = ENC_BIG_ENDIAN;
}
else if ((magic_byte_1 == PDM_MSG_HDR_LE_MAGIC_BYTE_1) && (magic_byte_2 == PDM_MSG_HDR_LE_MAGIC_BYTE_2)
&& (magic_byte_3 == PDM_MSG_HDR_LE_MAGIC_BYTE_3) && (magic_byte_4 == PDM_MSG_HDR_LE_MAGIC_BYTE_4))
{
*encoding = ENC_LITTLE_ENDIAN;
}
else
{
result = FALSE;
}
return (result);
}
gboolean lbmpdm_verify_payload(tvbuff_t * tvb, int offset, int * encoding, int * length)
{
guint8 next_header;
guint32 len = 0;
if (!tvb_bytes_exist(tvb, offset, L_LBMPDM_MSG_HDR_T))
{
return (FALSE);
}
if (!check_lbmpdm_encoding(tvb, offset, encoding))
{
return (FALSE);
}
next_header = tvb_get_guint8(tvb, offset + O_LBMPDM_MSG_HDR_T_NEXT_HDR);
switch (next_header)
{
case PDM_HDR_TYPE_DATA:
case PDM_HDR_TYPE_OFSTTBLE:
case PDM_HDR_TYPE_DEFN:
case PDM_HDR_TYPE_EOM:
break;
default:
return (FALSE);
break;
}
len = tvb_get_guint32(tvb, offset + O_LBMPDM_MSG_HDR_T_LEN, *encoding);
if (len > G_MAXINT)
{
return (FALSE);
}
*length = (int)len;
return (TRUE);
}
int lbmpdm_dissect_lbmpdm_payload(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, guint64 channel)
{
proto_item * subtree_item = NULL;
proto_tree * subtree = NULL;
proto_item * segments_item = NULL;
proto_tree * segments_tree = NULL;
proto_item * pi = NULL;
guint8 next_hdr;
int dissected_len = 0;
int encoding;
int msglen = 0;
int len_remaining = 0;
int ofs = 0;
int segment_len = 0;
int datalen = 0;
guint32 raw_msglen = 0;
lbmpdm_msg_definition_id_t msgid;
if (!lbmpdm_verify_payload(tvb, offset, &encoding, &raw_msglen))
{
return (0);
}
msglen = (int)raw_msglen;
msgid.channel = channel;
msgid.offset_table = NULL;
subtree_item = proto_tree_add_protocol_format(tree, proto_lbmpdm, tvb, offset, msglen, "LBMPDM Protocol");
subtree = proto_item_add_subtree(subtree_item, ett_lbmpdm);
proto_tree_add_item(subtree, hf_lbmpdm_magic, tvb, offset + O_LBMPDM_MSG_HDR_T_MAGIC, L_LBMPDM_MSG_HDR_T_MAGIC, encoding);
pi = proto_tree_add_string(subtree, hf_lbmpdm_encoding, tvb, offset + O_LBMPDM_MSG_HDR_T_MAGIC, L_LBMPDM_MSG_HDR_T_MAGIC,
((encoding == ENC_BIG_ENDIAN) ? "Big-Endian" : "Little-Endian"));
proto_item_set_generated(pi);
proto_tree_add_item(subtree, hf_lbmpdm_ver, tvb, offset + O_LBMPDM_MSG_HDR_T_VER_TYPE, L_LBMPDM_MSG_HDR_T_VER_TYPE, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_type, tvb, offset + O_LBMPDM_MSG_HDR_T_VER_TYPE, L_LBMPDM_MSG_HDR_T_VER_TYPE, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_next_hdr, tvb, offset + O_LBMPDM_MSG_HDR_T_NEXT_HDR, L_LBMPDM_MSG_HDR_T_NEXT_HDR, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_def_major_ver, tvb, offset + O_LBMPDM_MSG_HDR_T_DEF_MAJOR_VER, L_LBMPDM_MSG_HDR_T_DEF_MAJOR_VER, encoding);
msgid.ver_major = tvb_get_guint8(tvb, offset + O_LBMPDM_MSG_HDR_T_DEF_MAJOR_VER);
proto_tree_add_item(subtree, hf_lbmpdm_def_minor_ver, tvb, offset + O_LBMPDM_MSG_HDR_T_DEF_MINOR_VER, L_LBMPDM_MSG_HDR_T_DEF_MINOR_VER, encoding);
msgid.ver_minor = tvb_get_guint8(tvb, offset + O_LBMPDM_MSG_HDR_T_DEF_MINOR_VER);
proto_tree_add_item(subtree, hf_lbmpdm_def_id, tvb, offset + O_LBMPDM_MSG_HDR_T_DEF_ID, L_LBMPDM_MSG_HDR_T_DEF_ID, encoding);
msgid.msg_def_id = tvb_get_guint32(tvb, offset + O_LBMPDM_MSG_HDR_T_DEF_ID, encoding);
proto_tree_add_item(subtree, hf_lbmpdm_len, tvb, offset + O_LBMPDM_MSG_HDR_T_LEN, L_LBMPDM_MSG_HDR_T_LEN, encoding);
next_hdr = tvb_get_guint8(tvb, offset + O_LBMPDM_MSG_HDR_T_NEXT_HDR);
len_remaining = msglen - L_LBMPDM_MSG_HDR_T;
ofs = offset + L_LBMPDM_MSG_HDR_T;
dissected_len = L_LBMPDM_MSG_HDR_T;
datalen = msglen - L_LBMPDM_MSG_HDR_T;
if (len_remaining > 0)
{
guint8 this_hdr = next_hdr;
segments_item = proto_tree_add_item(subtree, hf_lbmpdm_segments, tvb, ofs, datalen, encoding);
segments_tree = proto_item_add_subtree(segments_item, ett_lbmpdm_segments);
while ((this_hdr != PDM_HDR_TYPE_EOM) && (len_remaining >= L_LBMPDM_SEG_HDR_T))
{
next_hdr = tvb_get_guint8(tvb, ofs + O_LBMPDM_SEG_HDR_T_NEXT_HDR);
switch (this_hdr)
{
case PDM_HDR_TYPE_DATA:
segment_len = dissect_segment_data(tvb, ofs, pinfo, segments_tree, &msgid, encoding);
break;
case PDM_HDR_TYPE_OFSTTBLE:
segment_len = dissect_segment_ofstable(tvb, ofs, pinfo, segments_tree, &(msgid.offset_table), encoding);
break;
case PDM_HDR_TYPE_DEFN:
segment_len = dissect_segment_defn(tvb, ofs, pinfo, segments_tree, channel, encoding);
break;
default:
segment_len = dissect_segment_unknown(tvb, ofs, pinfo, segments_tree, encoding);
break;
}
this_hdr = next_hdr;
dissected_len += segment_len;
len_remaining -= segment_len;
ofs += segment_len;
}
}
return (dissected_len);
}
int lbmpdm_get_minimum_length(void)
{
return (L_LBMPDM_MSG_HDR_T);
}
/* Register all the bits needed with the filtering engine */
void proto_register_lbmpdm(void)
{
static hf_register_info hf[] =
{
{ &hf_lbmpdm_magic,
{ "Magic", "lbmpdm.magic", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_encoding,
{ "Encoding", "lbmpdm.encoding", FT_STRING, BASE_NONE, NULL, 0x0, "encoding as determined by magic number", HFILL } },
{ &hf_lbmpdm_ver,
{ "Version", "lbmpdm.ver", FT_UINT8, BASE_DEC, NULL, PDM_HDR_VER_TYPE_VER_MASK, NULL, HFILL } },
{ &hf_lbmpdm_type,
{ "Type", "lbmpdm.type", FT_UINT8, BASE_DEC, NULL, PDM_HDR_VER_TYPE_TYPE_MASK, NULL, HFILL } },
{ &hf_lbmpdm_next_hdr,
{ "Next Header", "lbmpdm.next_hdr", FT_UINT8, BASE_DEC_HEX, VALS(lbmpdm_next_header), 0x0, NULL, HFILL } },
{ &hf_lbmpdm_def_major_ver,
{ "Definition Major Version", "lbmpdm.def_major_ver", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_def_minor_ver,
{ "Definition Minor Version", "lbmpdm.def_minor_ver", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_def_id,
{ "Definition ID", "lbmpdm.def_id", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_len,
{ "Length", "lbmpdm.len", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segments,
{ "Segments", "lbmpdm.segments", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment,
{ "Segment", "lbmpdm.segment", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_next_hdr,
{ "Next Header", "lbmpdm.segment.next_hdr", FT_UINT8, BASE_DEC_HEX, VALS(lbmpdm_next_header), 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_flags,
{ "Flags", "lbmpdm.segment.flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_res,
{ "Reserved", "lbmpdm.segment.res", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_len,
{ "Length", "lbmpdm.segment.len", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_id,
{ "Definition ID", "lbmpdm.segment_def.id", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_num_fields,
{ "Number Of Fields", "lbmpdm.segment_def.num_fields", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_names_type,
{ "Field Names Type", "lbmpdm.segment_def.field_names_type", FT_UINT8, BASE_HEX, VALS(lbmpdm_field_name_type), 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_finalized,
{ "Finalized", "lbmpdm.segment_def.finalized", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_msg_vers_major,
{ "Definition Major Version", "lbmpdm.segment_def.msg_vers_major", FT_UINT8, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_msg_vers_minor,
{ "Definition Minor Version", "lbmpdm.segment_def.msg_vers_minor", FT_UINT8, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_fixed_req_section_len,
{ "Fixed Required Section Length", "lbmpdm.segment_def.fixed_req_section_len", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_info_len,
{ "Field Information Length", "lbmpdm.segment_def.field_info_len", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field,
{ "Field Definition", "lbmpdm.segment_def.field", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_def_len,
{ "Definition Length", "lbmpdm.segment_def.field.def_len", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_id,
{ "ID", "lbmpdm.segment_def.field.id", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_len,
{ "Length", "lbmpdm.segment_def.field.len", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_fixed_str_len,
{ "Fixed String Length", "lbmpdm.segment_def.field.fixed_str_len", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_num_arr_elem,
{ "Number Of Array Elements", "lbmpdm.segment_def.field.num_arr_elem", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_req,
{ "Required", "lbmpdm.segment_def.field.req", FT_UINT8, BASE_HEX, VALS(lbmpdm_field_required), 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_fixed,
{ "Fixed Length Field", "lbmpdm.segment_def.field.fixed", FT_UINT8, BASE_HEX, VALS(lbmpdm_field_fixed_length), 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_fld_int_name,
{ "Field Integer Name", "lbmpdm.segment_def.field.fld_int_name", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_str_name_len,
{ "String Name Length", "lbmpdm.segment_def.field.str_name_len", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_str_name,
{ "String Name", "lbmpdm.segment_def.field.str_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_def_field_fld_type,
{ "Field Type", "lbmpdm.segment_def.field.fld_type", FT_UINT16, BASE_DEC_HEX, VALS(lbmpdm_field_type), 0x0, NULL, HFILL } },
{ &hf_lbmpdm_offset_entry,
{ "Offset Entry", "lbmpdm.segment_ofs.entry", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_offset_entry_id,
{ "ID", "lbmpdm.segment_ofs.entry.id", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_offset_entry_offset,
{ "Offset", "lbmpdm.segment_ofs.entry.offset", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_segment_data,
{ "Data", "lbmpdm.segment.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field,
{ "Field", "lbmpdm.field", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_id,
{ "ID", "lbmpdm.field.id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_string_name,
{ "String Name", "lbmpdm.field.string_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_int_name,
{ "Integer Name", "lbmpdm.field.int_name", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_type,
{ "Type", "lbmpdm.field.type", FT_UINT16, BASE_DEC_HEX, VALS(lbmpdm_field_type), 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_total_length,
{ "Total Length", "lbmpdm.field.total_length", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_length,
{ "Length", "lbmpdm.field.length", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_boolean,
{ "Boolean Value", "lbmpdm.field.value_boolean", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_int8,
{ "INT8 Value", "lbmpdm.field.value_int8", FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_uint8,
{ "UINT8 Value", "lbmpdm.field.value_uint8", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_int16,
{ "INT16 Value", "lbmpdm.field.value_int16", FT_INT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_uint16,
{ "UINT16 Value", "lbmpdm.field.value_uint16", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_int32,
{ "INT32 Value", "lbmpdm.field.value_int32", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_uint32,
{ "UINT32 Value", "lbmpdm.field.value_uint32", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_int64,
{ "INT64 Value", "lbmpdm.field.value_int64", FT_INT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_uint64,
{ "UINT64 Value", "lbmpdm.field.value_uint64", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_float,
{ "FLOAT Value", "lbmpdm.field.value_float", FT_FLOAT, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_double,
{ "DOUBLE Value", "lbmpdm.field.value_double", FT_DOUBLE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_decimal,
{ "DECIMAL Value", "lbmpdm.field.value_decimal", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_timestamp,
{ "TIMESTAMP Value", "lbmpdm.field.value_timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_fixed_string,
{ "FIXED STRING Value", "lbmpdm.field.value_fixed_string", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_string,
{ "STRING Value", "lbmpdm.field.value_string", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_fixed_unicode,
{ "FIXED UNICODE Value", "lbmpdm.field.value_fixed_unicode", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_unicode,
{ "UNICODE Value", "lbmpdm.field.value_unicode", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_blob,
{ "BLOB Value", "lbmpdm.field.value_blob", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_lbmpdm_field_value_message,
{ "MESSAGE Value", "lbmpdm.field.value_message", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }
};
static gint * ett[] =
{
&ett_lbmpdm,
&ett_lbmpdm_segments,
&ett_lbmpdm_segment,
&ett_lbmpdm_offset_entry,
&ett_lbmpdm_segment_def_field,
&ett_lbmpdm_field
};
proto_lbmpdm = proto_register_protocol("LBMPDM Protocol", "LBMPDM", "lbmpdm");
proto_register_field_array(proto_lbmpdm, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
lbmpdm_definition_table = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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