1512 lines
56 KiB
C
1512 lines
56 KiB
C
/* packet-mongo.c
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* Routines for Mongo Wire Protocol dissection
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* Copyright 2010, Alexis La Goutte <alexis.lagoutte at gmail dot com>
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* BSON dissection added 2011, Thomas Buchanan <tom at thomasbuchanan dot com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/*
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* See Mongo Wire Protocol Specification
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* http://www.mongodb.org/display/DOCS/Mongo+Wire+Protocol
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* See also BSON Specification
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* http://bsonspec.org/#/specification
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/exceptions.h>
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#include <epan/expert.h>
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#include <epan/proto_data.h>
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#include <wsutil/crc32.h> // CRC32C_PRELOAD
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#include <epan/crc32-tvb.h> // crc32c_tvb_offset_calculate
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#include "packet-tcp.h"
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#include "packet-tls.h"
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#ifdef HAVE_SNAPPY
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#include <snappy-c.h>
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#endif
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void proto_register_mongo(void);
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void proto_reg_handoff_mongo(void);
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static dissector_handle_t mongo_handle;
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/* Forward declaration */
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static int
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dissect_opcode_types(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *mongo_tree, guint opcode, guint *effective_opcode);
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/* This is not IANA assigned nor registered */
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#define TCP_PORT_MONGO 27017
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/* the code can reasonably attempt to decompress buffer up to 20MB */
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#define MAX_UNCOMPRESSED_SIZE (20 * 1024 * 1024)
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#define OP_REPLY 1
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#define OP_MESSAGE 1000
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#define OP_UPDATE 2001
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#define OP_INSERT 2002
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#define OP_RESERVED 2003
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#define OP_QUERY 2004
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#define OP_GET_MORE 2005
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#define OP_DELETE 2006
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#define OP_KILL_CURSORS 2007
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#define OP_COMMAND 2010
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#define OP_COMMANDREPLY 2011
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#define OP_COMPRESSED 2012
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#define OP_MSG 2013
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/**************************************************************************/
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/* OpCode */
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/**************************************************************************/
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static const value_string opcode_vals[] = {
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{ OP_REPLY, "Reply" },
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{ OP_MESSAGE, "Message" },
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{ OP_UPDATE, "Update document" },
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{ OP_INSERT, "Insert document" },
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{ OP_RESERVED,"Reserved" },
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{ OP_QUERY, "Query" },
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{ OP_GET_MORE, "Get More" },
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{ OP_DELETE, "Delete document" },
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{ OP_KILL_CURSORS, "Kill Cursors" },
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{ OP_COMMAND, "Command Request" },
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{ OP_COMMANDREPLY, "Command Reply" },
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{ OP_COMPRESSED, "Compressed Data" },
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{ OP_MSG, "Extensible Message Format" },
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{ 0, NULL }
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};
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#define KIND_BODY 0
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#define KIND_DOCUMENT_SEQUENCE 1
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/**************************************************************************/
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/* Section Kind */
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/**************************************************************************/
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static const value_string section_kind_vals[] = {
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{ KIND_BODY, "Body" },
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{ KIND_DOCUMENT_SEQUENCE, "Document Sequence" },
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{ 0, NULL }
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};
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/**************************************************************************/
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/* Compression Engines */
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/**************************************************************************/
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#define MONGO_COMPRESSOR_NOOP 0
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#define MONGO_COMPRESSOR_SNAPPY 1
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#define MONGO_COMPRESSOR_ZLIB 2
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static const value_string compressor_vals[] = {
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{ MONGO_COMPRESSOR_NOOP, "Noop (Uncompressed)" },
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{ MONGO_COMPRESSOR_SNAPPY, "Snappy" },
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{ MONGO_COMPRESSOR_ZLIB, "Zlib" },
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{ 0, NULL }
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};
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/* BSON Element types */
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/* See http://bsonspec.org/#/specification for detail */
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#define BSON_ELEMENT_TYPE_DOUBLE 1
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#define BSON_ELEMENT_TYPE_STRING 2
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#define BSON_ELEMENT_TYPE_DOC 3
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#define BSON_ELEMENT_TYPE_ARRAY 4
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#define BSON_ELEMENT_TYPE_BINARY 5
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#define BSON_ELEMENT_TYPE_UNDEF 6 /* Deprecated */
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#define BSON_ELEMENT_TYPE_OBJ_ID 7
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#define BSON_ELEMENT_TYPE_BOOL 8
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#define BSON_ELEMENT_TYPE_DATETIME 9
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#define BSON_ELEMENT_TYPE_NULL 10
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#define BSON_ELEMENT_TYPE_REGEX 11
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#define BSON_ELEMENT_TYPE_DB_PTR 12 /* Deprecated */
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#define BSON_ELEMENT_TYPE_JS_CODE 13
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#define BSON_ELEMENT_TYPE_SYMBOL 14
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#define BSON_ELEMENT_TYPE_JS_CODE_SCOPE 15
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#define BSON_ELEMENT_TYPE_INT32 16 /* 0x10 */
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#define BSON_ELEMENT_TYPE_TIMESTAMP 17 /* 0x11 */
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#define BSON_ELEMENT_TYPE_INT64 18 /* 0x12 */
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#define BSON_ELEMENT_TYPE_MIN_KEY 255 /* 0xFF */
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#define BSON_ELEMENT_TYPE_MAX_KEY 127 /* 0x7F */
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static const value_string element_type_vals[] = {
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{ BSON_ELEMENT_TYPE_DOUBLE, "Double" },
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{ BSON_ELEMENT_TYPE_STRING, "String" },
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{ BSON_ELEMENT_TYPE_DOC, "Document" },
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{ BSON_ELEMENT_TYPE_ARRAY, "Array" },
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{ BSON_ELEMENT_TYPE_BINARY, "Binary" },
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{ BSON_ELEMENT_TYPE_UNDEF, "Undefined" },
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{ BSON_ELEMENT_TYPE_OBJ_ID, "Object ID" },
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{ BSON_ELEMENT_TYPE_BOOL, "Boolean" },
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{ BSON_ELEMENT_TYPE_DATETIME, "Datetime" },
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{ BSON_ELEMENT_TYPE_NULL, "NULL" },
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{ BSON_ELEMENT_TYPE_REGEX, "Regular Expression" },
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{ BSON_ELEMENT_TYPE_DB_PTR, "DBPointer" },
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{ BSON_ELEMENT_TYPE_JS_CODE, "JavaScript Code" },
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{ BSON_ELEMENT_TYPE_SYMBOL, "Symbol" },
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{ BSON_ELEMENT_TYPE_JS_CODE_SCOPE, "JavaScript Code w/Scope" },
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{ BSON_ELEMENT_TYPE_INT32, "Int32" },
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{ BSON_ELEMENT_TYPE_TIMESTAMP, "Timestamp" },
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{ BSON_ELEMENT_TYPE_INT64, "Int64" },
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{ BSON_ELEMENT_TYPE_MIN_KEY, "Min Key" },
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{ BSON_ELEMENT_TYPE_MAX_KEY, "Max Key" },
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{ 0, NULL }
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};
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/* BSON Element Binary subtypes */
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#define BSON_ELEMENT_BINARY_TYPE_GENERIC 0
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#define BSON_ELEMENT_BINARY_TYPE_FUNCTION 1
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#define BSON_ELEMENT_BINARY_TYPE_BINARY 2 /* OLD */
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#define BSON_ELEMENT_BINARY_TYPE_UUID 3
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#define BSON_ELEMENT_BINARY_TYPE_MD5 4
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#define BSON_ELEMENT_BINARY_TYPE_USER 128 /* 0x80 */
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#if 0
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static const value_string binary_type_vals[] = {
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{ BSON_ELEMENT_BINARY_TYPE_GENERIC, "Generic" },
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{ BSON_ELEMENT_BINARY_TYPE_FUNCTION, "Function" },
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{ BSON_ELEMENT_BINARY_TYPE_BINARY, "Binary" },
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{ BSON_ELEMENT_BINARY_TYPE_UUID, "UUID" },
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{ BSON_ELEMENT_BINARY_TYPE_MD5, "MD5" },
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{ BSON_ELEMENT_BINARY_TYPE_USER, "User" },
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{ 0, NULL }
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};
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#endif
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static int proto_mongo = -1;
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static int hf_mongo_message_length = -1;
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static int hf_mongo_request_id = -1;
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static int hf_mongo_response_to = -1;
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static int hf_mongo_op_code = -1;
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static int hf_mongo_fullcollectionname = -1;
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static int hf_mongo_database_name = -1;
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static int hf_mongo_collection_name = -1;
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static int hf_mongo_reply_flags = -1;
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static int hf_mongo_reply_flags_cursornotfound = -1;
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static int hf_mongo_reply_flags_queryfailure = -1;
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static int hf_mongo_reply_flags_sharedconfigstale = -1;
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static int hf_mongo_reply_flags_awaitcapable = -1;
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static int hf_mongo_cursor_id = -1;
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static int hf_mongo_starting_from = -1;
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static int hf_mongo_number_returned = -1;
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static int hf_mongo_message = -1;
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static int hf_mongo_zero = -1;
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static int hf_mongo_update_flags = -1;
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static int hf_mongo_update_flags_upsert = -1;
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static int hf_mongo_update_flags_multiupdate = -1;
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static int hf_mongo_selector = -1;
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static int hf_mongo_update = -1;
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static int hf_mongo_insert_flags = -1;
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static int hf_mongo_insert_flags_continueonerror = -1;
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static int hf_mongo_query_flags = -1;
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static int hf_mongo_query_flags_tailablecursor = -1;
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static int hf_mongo_query_flags_slaveok = -1;
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static int hf_mongo_query_flags_oplogreplay = -1;
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static int hf_mongo_query_flags_nocursortimeout = -1;
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static int hf_mongo_query_flags_awaitdata = -1;
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static int hf_mongo_query_flags_exhaust = -1;
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static int hf_mongo_query_flags_partial = -1;
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static int hf_mongo_number_to_skip = -1;
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static int hf_mongo_number_to_return = -1;
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static int hf_mongo_query = -1;
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static int hf_mongo_return_field_selector = -1;
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static int hf_mongo_document = -1;
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static int hf_mongo_document_length = -1;
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static int hf_mongo_document_empty = -1;
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static int hf_mongo_delete_flags = -1;
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static int hf_mongo_delete_flags_singleremove = -1;
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static int hf_mongo_number_of_cursor_ids = -1;
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static int hf_mongo_elements = -1;
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static int hf_mongo_element_name = -1;
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static int hf_mongo_element_type = -1;
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static int hf_mongo_element_length = -1;
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static int hf_mongo_element_value_boolean = -1;
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static int hf_mongo_element_value_int32 = -1;
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static int hf_mongo_element_value_int64 = -1;
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static int hf_mongo_element_value_double = -1;
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static int hf_mongo_element_value_string = -1;
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static int hf_mongo_element_value_string_length = -1;
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static int hf_mongo_element_value_binary = -1;
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static int hf_mongo_element_value_binary_length = -1;
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static int hf_mongo_element_value_regex_pattern = -1;
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static int hf_mongo_element_value_regex_options = -1;
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static int hf_mongo_element_value_objectid = -1;
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static int hf_mongo_element_value_objectid_time = -1;
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static int hf_mongo_element_value_objectid_host = -1;
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static int hf_mongo_element_value_objectid_pid = -1;
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static int hf_mongo_element_value_objectid_machine_id = -1;
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static int hf_mongo_element_value_objectid_inc = -1;
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static int hf_mongo_element_value_db_ptr = -1;
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static int hf_mongo_element_value_js_code = -1;
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static int hf_mongo_element_value_js_scope = -1;
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static int hf_mongo_database = -1;
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static int hf_mongo_commandname = -1;
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static int hf_mongo_metadata = -1;
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static int hf_mongo_commandargs = -1;
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static int hf_mongo_commandreply = -1;
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static int hf_mongo_outputdocs = -1;
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static int hf_mongo_unknown = -1;
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static int hf_mongo_compression_info = -1;
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static int hf_mongo_original_op_code = -1;
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static int hf_mongo_uncompressed_size = -1;
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static int hf_mongo_compressor = -1;
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static int hf_mongo_compressed_data = -1;
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static int hf_mongo_unsupported_compressed = -1;
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static int hf_mongo_msg_flags = -1;
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static int hf_mongo_msg_flags_checksumpresent = -1;
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static int hf_mongo_msg_flags_moretocome = -1;
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static int hf_mongo_msg_flags_exhaustallowed = -1;
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static int hf_mongo_msg_sections_section = -1;
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static int hf_mongo_msg_sections_section_kind = -1;
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static int hf_mongo_msg_sections_section_body = -1;
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static int hf_mongo_msg_sections_section_doc_sequence = -1;
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static int hf_mongo_msg_sections_section_size = -1;
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static int hf_mongo_msg_sections_section_doc_sequence_id = -1;
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static int hf_mongo_msg_checksum = -1;
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static gint ett_mongo = -1;
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static gint ett_mongo_doc = -1;
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static gint ett_mongo_elements = -1;
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static gint ett_mongo_element = -1;
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static gint ett_mongo_objectid = -1;
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static gint ett_mongo_machine_id = -1;
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static gint ett_mongo_code = -1;
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static gint ett_mongo_fcn = -1;
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static gint ett_mongo_flags = -1;
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static gint ett_mongo_compression_info = -1;
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static gint ett_mongo_sections = -1;
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static gint ett_mongo_section = -1;
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static gint ett_mongo_msg_flags = -1;
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static gint ett_mongo_doc_sequence= -1;
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static expert_field ei_mongo_document_recursion_exceeded = EI_INIT;
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static expert_field ei_mongo_document_length_bad = EI_INIT;
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static expert_field ei_mongo_unknown = EI_INIT;
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static expert_field ei_mongo_unsupported_compression = EI_INIT;
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static expert_field ei_mongo_too_large_compressed = EI_INIT;
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static int
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dissect_fullcollectionname(tvbuff_t *tvb, guint offset, proto_tree *tree)
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{
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gint32 fcn_length, dbn_length;
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proto_item *ti;
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proto_tree *fcn_tree;
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fcn_length = tvb_strsize(tvb, offset);
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ti = proto_tree_add_item(tree, hf_mongo_fullcollectionname, tvb, offset, fcn_length, ENC_ASCII);
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/* If this doesn't find anything, we'll just throw an exception below */
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dbn_length = tvb_find_guint8(tvb, offset, fcn_length, '.') - offset;
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fcn_tree = proto_item_add_subtree(ti, ett_mongo_fcn);
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proto_tree_add_item(fcn_tree, hf_mongo_database_name, tvb, offset, dbn_length, ENC_ASCII);
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proto_tree_add_item(fcn_tree, hf_mongo_collection_name, tvb, offset + 1 + dbn_length, fcn_length - dbn_length - 2, ENC_ASCII);
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return fcn_length;
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}
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/* http://docs.mongodb.org/manual/reference/limits/ */
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/* http://www.mongodb.org/display/DOCS/Documents */
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#define BSON_MAX_NESTING 100
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#define BSON_MAX_DOC_SIZE (16 * 1000 * 1000)
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static int
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dissect_bson_document(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int hf_mongo_doc)
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{
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gint32 document_length;
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guint final_offset;
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proto_item *ti, *elements, *element, *objectid, *js_code, *js_scope, *machine_id;
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proto_tree *doc_tree, *elements_tree, *element_sub_tree, *objectid_sub_tree, *js_code_sub_tree, *js_scope_sub_tree, *machine_id_sub_tree;
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document_length = tvb_get_letohl(tvb, offset);
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ti = proto_tree_add_item(tree, hf_mongo_doc, tvb, offset, document_length, ENC_NA);
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doc_tree = proto_item_add_subtree(ti, ett_mongo_doc);
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proto_tree_add_item(doc_tree, hf_mongo_document_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
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if (document_length < 5) {
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expert_add_info_format(pinfo, ti, &ei_mongo_document_length_bad, "BSON document length too short: %u", document_length);
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return MAX(4, document_length); /* see the comment above */
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}
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if (document_length > BSON_MAX_DOC_SIZE) {
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expert_add_info_format(pinfo, ti, &ei_mongo_document_length_bad, "BSON document length too long: %u", document_length);
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return document_length;
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}
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if (document_length == 5) {
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/* document with length 5 is an empty document */
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/* don't display the element subtree */
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proto_tree_add_item(doc_tree, hf_mongo_document_empty, tvb, offset, document_length, ENC_NA);
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return document_length;
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}
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unsigned nest_level = p_get_proto_depth(pinfo, proto_mongo);
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if (++nest_level > BSON_MAX_NESTING) {
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expert_add_info_format(pinfo, ti, &ei_mongo_document_recursion_exceeded, "BSON document recursion exceeds %u", BSON_MAX_NESTING);
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/* return the number of bytes we consumed, these are at least the 4 bytes for the length field */
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return MAX(4, document_length);
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}
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p_set_proto_depth(pinfo, proto_mongo, nest_level);
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final_offset = offset + document_length;
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offset += 4;
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elements = proto_tree_add_item(doc_tree, hf_mongo_elements, tvb, offset, document_length-5, ENC_NA);
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elements_tree = proto_item_add_subtree(elements, ett_mongo_elements);
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do {
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/* Read document elements */
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guint8 e_type; /* Element type */
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gint str_len = -1; /* String length */
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gint e_len = -1; /* Element length */
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gint doc_len = -1; /* Document length */
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e_type = tvb_get_guint8(tvb, offset);
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tvb_get_stringz_enc(pinfo->pool, tvb, offset+1, &str_len, ENC_ASCII);
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element = proto_tree_add_item(elements_tree, hf_mongo_element_name, tvb, offset+1, str_len-1, ENC_UTF_8);
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element_sub_tree = proto_item_add_subtree(element, ett_mongo_element);
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proto_tree_add_item(element_sub_tree, hf_mongo_element_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
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offset += str_len+1;
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switch(e_type) {
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case BSON_ELEMENT_TYPE_DOUBLE:
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proto_tree_add_item(element_sub_tree, hf_mongo_element_value_double, tvb, offset, 8, ENC_LITTLE_ENDIAN);
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offset += 8;
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break;
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case BSON_ELEMENT_TYPE_STRING:
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case BSON_ELEMENT_TYPE_JS_CODE:
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case BSON_ELEMENT_TYPE_SYMBOL:
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str_len = tvb_get_letohl(tvb, offset);
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proto_tree_add_item(element_sub_tree, hf_mongo_element_value_string_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
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proto_tree_add_item(element_sub_tree, hf_mongo_element_value_string, tvb, offset+4, str_len, ENC_UTF_8);
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offset += str_len+4;
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break;
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case BSON_ELEMENT_TYPE_DOC:
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case BSON_ELEMENT_TYPE_ARRAY:
|
|
offset += dissect_bson_document(tvb, pinfo, offset, element_sub_tree, hf_mongo_document);
|
|
break;
|
|
case BSON_ELEMENT_TYPE_BINARY:
|
|
e_len = tvb_get_letohl(tvb, offset);
|
|
/* TODO - Add functions to decode various binary subtypes */
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_binary_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_binary, tvb, offset+5, e_len, ENC_NA);
|
|
offset += e_len+5;
|
|
break;
|
|
case BSON_ELEMENT_TYPE_UNDEF:
|
|
case BSON_ELEMENT_TYPE_NULL:
|
|
case BSON_ELEMENT_TYPE_MIN_KEY:
|
|
case BSON_ELEMENT_TYPE_MAX_KEY:
|
|
/* Nothing to do, as there is no element content */
|
|
break;
|
|
case BSON_ELEMENT_TYPE_OBJ_ID:
|
|
objectid = proto_tree_add_item(element_sub_tree, hf_mongo_element_value_objectid, tvb, offset, 12, ENC_NA);
|
|
objectid_sub_tree = proto_item_add_subtree(objectid, ett_mongo_objectid);
|
|
/* Unlike most BSON elements, parts of ObjectID are stored Big Endian, so they can be compared bit by bit */
|
|
proto_tree_add_item(objectid_sub_tree, hf_mongo_element_value_objectid_time, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
/* The machine ID was traditionally split up in Host Hash/PID */
|
|
machine_id = proto_tree_add_item(objectid_sub_tree, hf_mongo_element_value_objectid_machine_id, tvb, offset+4, 5, ENC_NA);
|
|
machine_id_sub_tree = proto_item_add_subtree(machine_id, ett_mongo_machine_id);
|
|
proto_tree_add_item(machine_id_sub_tree, hf_mongo_element_value_objectid_host, tvb, offset+4, 3, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(machine_id_sub_tree, hf_mongo_element_value_objectid_pid, tvb, offset+7, 2, ENC_LITTLE_ENDIAN);
|
|
|
|
proto_tree_add_item(objectid_sub_tree, hf_mongo_element_value_objectid_inc, tvb, offset+9, 3, ENC_BIG_ENDIAN);
|
|
offset += 12;
|
|
break;
|
|
case BSON_ELEMENT_TYPE_BOOL:
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_boolean, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
break;
|
|
case BSON_ELEMENT_TYPE_REGEX:
|
|
/* regex pattern */
|
|
tvb_get_stringz_enc(pinfo->pool, tvb, offset, &str_len, ENC_ASCII);
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_regex_pattern, tvb, offset, str_len, ENC_UTF_8);
|
|
offset += str_len;
|
|
/* regex options */
|
|
tvb_get_stringz_enc(pinfo->pool, tvb, offset, &str_len, ENC_ASCII);
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_regex_options, tvb, offset, str_len, ENC_UTF_8);
|
|
offset += str_len;
|
|
break;
|
|
case BSON_ELEMENT_TYPE_DB_PTR:
|
|
str_len = tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_string_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_string, tvb, offset+4, str_len, ENC_UTF_8);
|
|
offset += str_len;
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_db_ptr, tvb, offset, 12, ENC_NA);
|
|
offset += 12;
|
|
break;
|
|
case BSON_ELEMENT_TYPE_JS_CODE_SCOPE:
|
|
/* code_w_s ::= int32 string document */
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
e_len = tvb_get_letohl(tvb, offset);
|
|
offset += 4;
|
|
str_len = tvb_get_letohl(tvb, offset);
|
|
js_code = proto_tree_add_item(element_sub_tree, hf_mongo_element_value_js_code, tvb, offset, str_len+4, ENC_NA);
|
|
js_code_sub_tree = proto_item_add_subtree(js_code, ett_mongo_code);
|
|
proto_tree_add_item(js_code_sub_tree, hf_mongo_element_value_string_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(js_code_sub_tree, hf_mongo_element_value_string, tvb, offset+4, str_len, ENC_UTF_8);
|
|
offset += str_len+4;
|
|
doc_len = e_len - (str_len + 8);
|
|
js_scope = proto_tree_add_item(element_sub_tree, hf_mongo_element_value_js_scope, tvb, offset, doc_len, ENC_NA);
|
|
js_scope_sub_tree = proto_item_add_subtree(js_scope, ett_mongo_code);
|
|
offset += dissect_bson_document(tvb, pinfo, offset, js_scope_sub_tree, hf_mongo_document);
|
|
break;
|
|
case BSON_ELEMENT_TYPE_INT32:
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_int32, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
break;
|
|
case BSON_ELEMENT_TYPE_DATETIME:
|
|
case BSON_ELEMENT_TYPE_TIMESTAMP:
|
|
/* TODO Implement routine to convert datetime & timestamp values to UTC date/time */
|
|
/* for now, simply display the integer value */
|
|
case BSON_ELEMENT_TYPE_INT64:
|
|
proto_tree_add_item(element_sub_tree, hf_mongo_element_value_int64, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
|
offset += 8;
|
|
break;
|
|
default:
|
|
break;
|
|
} /* end switch() */
|
|
} while (offset < final_offset-1);
|
|
|
|
// Restore depth.
|
|
nest_level--;
|
|
p_set_proto_depth(pinfo, proto_mongo, nest_level);
|
|
|
|
return document_length;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_reply(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *flags_tree;
|
|
gint i, number_returned;
|
|
|
|
ti = proto_tree_add_item(tree, hf_mongo_reply_flags, tvb, offset, 4, ENC_NA);
|
|
flags_tree = proto_item_add_subtree(ti, ett_mongo_flags);
|
|
proto_tree_add_item(flags_tree, hf_mongo_reply_flags_cursornotfound, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_reply_flags_queryfailure, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_reply_flags_sharedconfigstale, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_reply_flags_awaitcapable, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(tree, hf_mongo_cursor_id, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
|
offset += 8;
|
|
|
|
proto_tree_add_item(tree, hf_mongo_starting_from, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(tree, hf_mongo_number_returned, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
number_returned = tvb_get_letohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
for (i=0; i < number_returned; i++)
|
|
{
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_document);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_msg(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_mongo_message, tvb, offset, -1, ENC_ASCII);
|
|
offset += tvb_strsize(tvb, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_update(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *flags_tree;
|
|
|
|
proto_tree_add_item(tree, hf_mongo_zero, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
offset += dissect_fullcollectionname(tvb, offset, tree);
|
|
|
|
ti = proto_tree_add_item(tree, hf_mongo_update_flags, tvb, offset, 4, ENC_NA);
|
|
flags_tree = proto_item_add_subtree(ti, ett_mongo_flags);
|
|
proto_tree_add_item(flags_tree, hf_mongo_update_flags_upsert, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_update_flags_multiupdate, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_selector);
|
|
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_update);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_insert(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *flags_tree;
|
|
|
|
ti = proto_tree_add_item(tree, hf_mongo_insert_flags, tvb, offset, 4, ENC_NA);
|
|
flags_tree = proto_item_add_subtree(ti, ett_mongo_flags);
|
|
proto_tree_add_item(flags_tree, hf_mongo_insert_flags_continueonerror, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
offset += dissect_fullcollectionname(tvb, offset, tree);
|
|
|
|
while(offset < tvb_reported_length(tvb)) {
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_document);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_query(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *flags_tree;
|
|
|
|
ti = proto_tree_add_item(tree, hf_mongo_query_flags, tvb, offset, 4, ENC_NA);
|
|
flags_tree = proto_item_add_subtree(ti, ett_mongo_flags);
|
|
proto_tree_add_item(flags_tree, hf_mongo_query_flags_tailablecursor, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_query_flags_slaveok, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_query_flags_oplogreplay, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_query_flags_nocursortimeout, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_query_flags_awaitdata, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_query_flags_exhaust, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_mongo_query_flags_partial, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
offset += dissect_fullcollectionname(tvb, offset, tree);
|
|
|
|
proto_tree_add_item(tree, hf_mongo_number_to_skip, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(tree, hf_mongo_number_to_return, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset +=4;
|
|
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_query);
|
|
|
|
while(offset < tvb_reported_length(tvb)) {
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_return_field_selector);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_getmore(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
|
|
proto_tree_add_item(tree, hf_mongo_zero, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
offset += dissect_fullcollectionname(tvb, offset, tree);
|
|
|
|
proto_tree_add_item(tree, hf_mongo_number_to_return, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(tree, hf_mongo_cursor_id, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
|
offset += 8;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_delete(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *flags_tree;
|
|
|
|
proto_tree_add_item(tree, hf_mongo_zero, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
offset += dissect_fullcollectionname(tvb, offset, tree);
|
|
|
|
ti = proto_tree_add_item(tree, hf_mongo_delete_flags, tvb, offset, 4, ENC_NA);
|
|
flags_tree = proto_item_add_subtree(ti, ett_mongo_flags);
|
|
proto_tree_add_item(flags_tree, hf_mongo_delete_flags_singleremove, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_selector);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_kill_cursors(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
|
|
proto_tree_add_item(tree, hf_mongo_zero, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(tree, hf_mongo_number_of_cursor_ids, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
while(offset < tvb_reported_length(tvb)) {
|
|
proto_tree_add_item(tree, hf_mongo_cursor_id, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
|
offset +=8;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_op_command(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
gint32 db_length, cmd_length;
|
|
|
|
db_length = tvb_strsize(tvb, offset);
|
|
proto_tree_add_item(tree, hf_mongo_database, tvb, offset, db_length, ENC_ASCII);
|
|
offset += db_length;
|
|
|
|
cmd_length = tvb_strsize(tvb, offset);
|
|
proto_tree_add_item(tree, hf_mongo_commandname, tvb, offset, cmd_length, ENC_ASCII);
|
|
offset += cmd_length;
|
|
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_metadata);
|
|
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_commandargs);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_op_commandreply(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_metadata);
|
|
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_commandreply);
|
|
|
|
if (tvb_reported_length_remaining(tvb, offset) > 0){
|
|
offset += dissect_bson_document(tvb, pinfo, offset, tree, hf_mongo_outputdocs);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_op_compressed(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, guint *effective_opcode)
|
|
{
|
|
guint opcode = 0;
|
|
guint8 compressor;
|
|
proto_item *ti;
|
|
proto_tree *compression_info_tree;
|
|
|
|
ti = proto_tree_add_item(tree, hf_mongo_compression_info, tvb, offset, 9, ENC_NA);
|
|
compression_info_tree = proto_item_add_subtree(ti, ett_mongo_compression_info);
|
|
proto_tree_add_item(compression_info_tree, hf_mongo_original_op_code, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(compression_info_tree, hf_mongo_uncompressed_size, tvb, offset + 4, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(compression_info_tree, hf_mongo_compressor, tvb, offset + 8, 1, ENC_NA);
|
|
proto_tree_add_item(compression_info_tree, hf_mongo_compressed_data, tvb, offset + 9, -1, ENC_NA);
|
|
|
|
opcode = tvb_get_letohl(tvb, offset);
|
|
*effective_opcode = opcode;
|
|
compressor = tvb_get_guint8(tvb, offset + 8);
|
|
offset += 9;
|
|
|
|
switch(compressor) {
|
|
case MONGO_COMPRESSOR_NOOP:
|
|
offset = dissect_opcode_types(tvb, pinfo, offset, tree, opcode, effective_opcode);
|
|
break;
|
|
|
|
#ifdef HAVE_SNAPPY
|
|
case MONGO_COMPRESSOR_SNAPPY: {
|
|
guchar *decompressed_buffer = NULL;
|
|
size_t orig_size = 0;
|
|
snappy_status ret;
|
|
tvbuff_t* compressed_tvb = NULL;
|
|
|
|
/* get the raw data length */
|
|
ret = snappy_uncompressed_length(tvb_get_ptr(tvb, offset, -1),
|
|
tvb_captured_length_remaining(tvb, offset),
|
|
&orig_size);
|
|
/* if we get the length and it's reasonably short to allocate a buffer for it
|
|
* proceed to try decompressing the data
|
|
*/
|
|
if (ret == SNAPPY_OK && orig_size <= MAX_UNCOMPRESSED_SIZE) {
|
|
decompressed_buffer = (guchar*)wmem_alloc(pinfo->pool, orig_size);
|
|
|
|
ret = snappy_uncompress(tvb_get_ptr(tvb, offset, -1),
|
|
tvb_captured_length_remaining(tvb, offset),
|
|
decompressed_buffer,
|
|
&orig_size);
|
|
|
|
if (ret == SNAPPY_OK) {
|
|
compressed_tvb = tvb_new_child_real_data(tvb, decompressed_buffer, (guint32)orig_size, (guint32)orig_size);
|
|
add_new_data_source(pinfo, compressed_tvb, "Decompressed Data");
|
|
|
|
dissect_opcode_types(compressed_tvb, pinfo, 0, tree, opcode, effective_opcode);
|
|
} else {
|
|
expert_add_info_format(pinfo, ti, &ei_mongo_unsupported_compression, "Error uncompressing snappy data");
|
|
}
|
|
} else {
|
|
if (orig_size > MAX_UNCOMPRESSED_SIZE) {
|
|
expert_add_info_format(pinfo, ti, &ei_mongo_too_large_compressed, "Uncompressed size too large");
|
|
} else {
|
|
expert_add_info_format(pinfo, ti, &ei_mongo_unsupported_compression, "Error uncompressing snappy data");
|
|
}
|
|
}
|
|
|
|
offset = tvb_reported_length(tvb);
|
|
} break;
|
|
#endif
|
|
|
|
case MONGO_COMPRESSOR_ZLIB: {
|
|
tvbuff_t* compressed_tvb = NULL;
|
|
|
|
compressed_tvb = tvb_child_uncompress(tvb, tvb, offset, tvb_captured_length_remaining(tvb, offset));
|
|
|
|
if (compressed_tvb) {
|
|
add_new_data_source(pinfo, compressed_tvb, "Decompressed Data");
|
|
|
|
dissect_opcode_types(compressed_tvb, pinfo, 0, tree, opcode, effective_opcode);
|
|
} else {
|
|
proto_tree_add_item(compression_info_tree, hf_mongo_unsupported_compressed, tvb, offset, -1, ENC_NA);
|
|
expert_add_info_format(pinfo, ti, &ei_mongo_unsupported_compression, "Error uncompressing zlib data");
|
|
}
|
|
|
|
offset = tvb_reported_length(tvb);
|
|
} break;
|
|
|
|
default:
|
|
proto_tree_add_item(compression_info_tree, hf_mongo_unsupported_compressed, tvb, offset, -1, ENC_NA);
|
|
expert_add_info_format(pinfo, ti, &ei_mongo_unsupported_compression, "Unsupported compression format: %d", compressor);
|
|
offset = tvb_reported_length(tvb);
|
|
break;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_op_msg_section(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *section_tree;
|
|
guint8 e_type;
|
|
gint section_len = -1; /* Section length */
|
|
|
|
e_type = tvb_get_guint8(tvb, offset);
|
|
section_len = tvb_get_letohl(tvb, offset+1);
|
|
|
|
ti = proto_tree_add_item(tree, hf_mongo_msg_sections_section, tvb, offset, 1 + section_len, ENC_NA);
|
|
section_tree = proto_item_add_subtree(ti, ett_mongo_section);
|
|
proto_tree_add_item(section_tree, hf_mongo_msg_sections_section_kind, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
switch (e_type) {
|
|
case KIND_BODY:
|
|
dissect_bson_document(tvb, pinfo, offset, section_tree, hf_mongo_msg_sections_section_body);
|
|
break;
|
|
case KIND_DOCUMENT_SEQUENCE: {
|
|
gint32 dsi_length;
|
|
gint32 to_read = section_len;
|
|
proto_item *documents;
|
|
proto_tree *documents_tree;
|
|
|
|
proto_tree_add_item(section_tree, hf_mongo_msg_sections_section_size, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
to_read -= 4;
|
|
|
|
dsi_length = tvb_strsize(tvb, offset);
|
|
proto_tree_add_item(section_tree, hf_mongo_msg_sections_section_doc_sequence_id, tvb, offset, dsi_length, ENC_ASCII);
|
|
offset += dsi_length;
|
|
to_read -= dsi_length;
|
|
|
|
documents = proto_tree_add_item(section_tree, hf_mongo_msg_sections_section_doc_sequence, tvb, offset, to_read, ENC_NA);
|
|
documents_tree = proto_item_add_subtree(documents, ett_mongo_doc_sequence);
|
|
|
|
while (to_read > 0){
|
|
gint32 doc_size = dissect_bson_document(tvb, pinfo, offset, documents_tree, hf_mongo_document);
|
|
to_read -= doc_size;
|
|
offset += doc_size;
|
|
}
|
|
|
|
} break;
|
|
default:
|
|
expert_add_info_format(pinfo, tree, &ei_mongo_unknown, "Unknown section type: %u", e_type);
|
|
}
|
|
|
|
return 1 + section_len;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_op_msg(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree)
|
|
{
|
|
static int * const mongo_msg_flags[] = {
|
|
&hf_mongo_msg_flags_checksumpresent,
|
|
&hf_mongo_msg_flags_moretocome,
|
|
&hf_mongo_msg_flags_exhaustallowed,
|
|
NULL
|
|
};
|
|
gint64 op_msg_flags;
|
|
bool checksum_present = false;
|
|
|
|
proto_tree_add_bitmask_ret_uint64 (tree, tvb, offset, hf_mongo_msg_flags, ett_mongo_msg_flags, mongo_msg_flags, ENC_LITTLE_ENDIAN, &op_msg_flags);
|
|
if (op_msg_flags & 0x00000001) {
|
|
checksum_present = true;
|
|
}
|
|
|
|
offset += 4;
|
|
|
|
while (tvb_reported_length_remaining(tvb, offset) > (checksum_present ? 4 : 0)){
|
|
offset += dissect_op_msg_section(tvb, pinfo, offset, tree);
|
|
}
|
|
|
|
if (checksum_present) {
|
|
guint32 calculated_checksum = ~crc32c_tvb_offset_calculate (tvb, 0, tvb_reported_length (tvb) - 4, CRC32C_PRELOAD);
|
|
guint32 dissected_checksum = tvb_get_ntohl(tvb, offset);
|
|
if(calculated_checksum == dissected_checksum) {
|
|
proto_tree_add_uint_format_value(tree, hf_mongo_msg_checksum, tvb, offset, 4, dissected_checksum, "0x%08x (Good CRC32)", dissected_checksum);
|
|
} else {
|
|
proto_tree_add_uint_format_value(tree, hf_mongo_msg_checksum, tvb, offset, 4, dissected_checksum, "0x%08x (Bad CRC32, should be 0x%08x)", dissected_checksum, calculated_checksum);
|
|
}
|
|
offset += 4;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_opcode_types(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *mongo_tree, guint opcode, guint *effective_opcode)
|
|
{
|
|
*effective_opcode = opcode;
|
|
|
|
switch(opcode){
|
|
case OP_REPLY:
|
|
offset = dissect_mongo_reply(tvb, pinfo, offset, mongo_tree);
|
|
break;
|
|
case OP_MESSAGE:
|
|
offset = dissect_mongo_msg(tvb, offset, mongo_tree);
|
|
break;
|
|
case OP_UPDATE:
|
|
offset = dissect_mongo_update(tvb, pinfo, offset, mongo_tree);
|
|
break;
|
|
case OP_INSERT:
|
|
offset = dissect_mongo_insert(tvb, pinfo, offset, mongo_tree);
|
|
break;
|
|
case OP_QUERY:
|
|
offset = dissect_mongo_query(tvb, pinfo, offset, mongo_tree);
|
|
break;
|
|
case OP_GET_MORE:
|
|
offset = dissect_mongo_getmore(tvb, offset, mongo_tree);
|
|
break;
|
|
case OP_DELETE:
|
|
offset = dissect_mongo_delete(tvb, pinfo, offset, mongo_tree);
|
|
break;
|
|
case OP_KILL_CURSORS:
|
|
offset = dissect_mongo_kill_cursors(tvb, offset, mongo_tree);
|
|
break;
|
|
case OP_COMMAND:
|
|
offset = dissect_mongo_op_command(tvb, pinfo, offset, mongo_tree);
|
|
break;
|
|
case OP_COMMANDREPLY:
|
|
offset = dissect_mongo_op_commandreply(tvb, pinfo, offset, mongo_tree);
|
|
break;
|
|
case OP_COMPRESSED:
|
|
offset = dissect_mongo_op_compressed(tvb, pinfo, offset, mongo_tree, effective_opcode);
|
|
break;
|
|
case OP_MSG:
|
|
offset = dissect_mongo_op_msg(tvb, pinfo, offset, mongo_tree);
|
|
break;
|
|
default:
|
|
/* No default Action */
|
|
break;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *mongo_tree;
|
|
guint offset = 0, opcode, effective_opcode = 0;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "MONGO");
|
|
|
|
ti = proto_tree_add_item(tree, proto_mongo, tvb, 0, -1, ENC_NA);
|
|
|
|
mongo_tree = proto_item_add_subtree(ti, ett_mongo);
|
|
|
|
proto_tree_add_item(mongo_tree, hf_mongo_message_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(mongo_tree, hf_mongo_request_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(mongo_tree, hf_mongo_response_to, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(mongo_tree, hf_mongo_op_code, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
opcode = tvb_get_letohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
offset = dissect_opcode_types(tvb, pinfo, offset, mongo_tree, opcode, &effective_opcode);
|
|
|
|
if(opcode == 1)
|
|
{
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Response :");
|
|
}
|
|
else
|
|
{
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Request :");
|
|
|
|
}
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s", val_to_str_const(effective_opcode, opcode_vals, "Unknown"));
|
|
|
|
if(opcode != effective_opcode) {
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (Compressed)");
|
|
}
|
|
|
|
if(offset < tvb_reported_length(tvb))
|
|
{
|
|
ti = proto_tree_add_item(mongo_tree, hf_mongo_unknown, tvb, offset, -1, ENC_NA);
|
|
expert_add_info(pinfo, ti, &ei_mongo_unknown);
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
static guint
|
|
get_mongo_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
|
|
{
|
|
guint32 plen;
|
|
|
|
/*
|
|
* Get the length of the MONGO packet.
|
|
*/
|
|
plen = tvb_get_letohl(tvb, offset);
|
|
|
|
return plen;
|
|
}
|
|
|
|
static int
|
|
dissect_mongo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
|
|
{
|
|
tcp_dissect_pdus(tvb, pinfo, tree, 1, 4, get_mongo_pdu_len, dissect_mongo_pdu, data);
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_mongo(void)
|
|
{
|
|
expert_module_t* expert_mongo;
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_mongo_message_length,
|
|
{ "Message Length", "mongo.message_length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Total message size (include this)", HFILL }
|
|
},
|
|
{ &hf_mongo_request_id,
|
|
{ "Request ID", "mongo.request_id",
|
|
FT_UINT32, BASE_HEX_DEC, NULL, 0x0,
|
|
"Identifier for this message", HFILL }
|
|
},
|
|
{ &hf_mongo_response_to,
|
|
{ "Response To", "mongo.response_to",
|
|
FT_UINT32, BASE_HEX_DEC, NULL, 0x0,
|
|
"RequestID from the original request", HFILL }
|
|
},
|
|
{ &hf_mongo_op_code,
|
|
{ "OpCode", "mongo.opcode",
|
|
FT_INT32, BASE_DEC, VALS(opcode_vals), 0x0,
|
|
"Type of request message", HFILL }
|
|
},
|
|
{ &hf_mongo_query_flags,
|
|
{ "Query Flags", "mongo.query.flags",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Bit vector of query options.", HFILL }
|
|
},
|
|
{ &hf_mongo_fullcollectionname,
|
|
{ "fullCollectionName", "mongo.full_collection_name",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0,
|
|
"The full collection name is the concatenation of the database name with the"
|
|
" collection name, using a dot for the concatenation", HFILL }
|
|
},
|
|
{ &hf_mongo_database_name,
|
|
{ "Database Name", "mongo.database_name",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_collection_name,
|
|
{ "Collection Name", "mongo.collection_name",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_reply_flags,
|
|
{ "Reply Flags", "mongo.reply.flags",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Bit vector of reply options.", HFILL }
|
|
},
|
|
{ &hf_mongo_reply_flags_cursornotfound,
|
|
{ "Cursor Not Found", "mongo.reply.flags.cursornotfound",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000001,
|
|
"Set when getMore is called but the cursor id is not valid at the server", HFILL }
|
|
},
|
|
{ &hf_mongo_reply_flags_queryfailure,
|
|
{ "Query Failure", "mongo.reply.flags.queryfailure",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000002,
|
|
"Set when query failed. Results consist of one document containing an $err"
|
|
" field describing the failure.", HFILL }
|
|
},
|
|
{ &hf_mongo_reply_flags_sharedconfigstale,
|
|
{ "Shared Config Stale", "mongo.reply.flags.sharedconfigstale",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000004,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_reply_flags_awaitcapable,
|
|
{ "Await Capable", "mongo.reply.flags.awaitcapable",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000008,
|
|
"Set when the server supports the AwaitData Query option", HFILL }
|
|
},
|
|
{ &hf_mongo_message,
|
|
{ "Message", "mongo.message",
|
|
FT_STRINGZ, BASE_NONE, NULL, 0x0,
|
|
"Message for the database", HFILL }
|
|
},
|
|
{ &hf_mongo_cursor_id,
|
|
{ "Cursor ID", "mongo.cursor_id",
|
|
FT_INT64, BASE_DEC, NULL, 0x0,
|
|
"Cursor id if client needs to do get more's", HFILL }
|
|
},
|
|
{ &hf_mongo_starting_from,
|
|
{ "Starting From", "mongo.starting_from",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Where in the cursor this reply is starting", HFILL }
|
|
},
|
|
{ &hf_mongo_number_returned,
|
|
{ "Number Returned", "mongo.number_returned",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Number of documents in the reply", HFILL }
|
|
},
|
|
{ &hf_mongo_document,
|
|
{ "Document", "mongo.document",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_document_length,
|
|
{ "Document length", "mongo.document.length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Length of BSON Document", HFILL }
|
|
},
|
|
{ &hf_mongo_document_empty,
|
|
{ "Empty Document", "mongo.document.empty",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Document with no elements", HFILL }
|
|
},
|
|
{ &hf_mongo_zero,
|
|
{ "Zero", "mongo.document.zero",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Reserved (Must be is Zero)", HFILL }
|
|
},
|
|
{ &hf_mongo_update_flags,
|
|
{ "Update Flags", "mongo.update.flags",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Bit vector of update options.", HFILL }
|
|
},
|
|
{ &hf_mongo_update_flags_upsert,
|
|
{ "Upsert", "mongo.update.flags.upsert",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000001,
|
|
"If set, the database will insert the supplied object into the collection if no"
|
|
" matching document is found", HFILL }
|
|
},
|
|
{ &hf_mongo_update_flags_multiupdate,
|
|
{ "Multi Update", "mongo.update.flags.multiupdate",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000002,
|
|
"If set, the database will update all matching objects in the collection."
|
|
" Otherwise only updates first matching doc.", HFILL }
|
|
},
|
|
{ &hf_mongo_selector,
|
|
{ "Selector", "mongo.selector",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"The query to select the document", HFILL }
|
|
},
|
|
{ &hf_mongo_update,
|
|
{ "Update", "mongo.update",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Specification of the update to perform", HFILL }
|
|
},
|
|
{ &hf_mongo_insert_flags,
|
|
{ "Insert Flags", "mongo.insert.flags",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Bit vector of insert options.", HFILL }
|
|
},
|
|
{ &hf_mongo_insert_flags_continueonerror,
|
|
{ "ContinueOnError", "mongo.insert.flags.continueonerror",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000001,
|
|
"If set, the database will not stop processing a bulk insert if one fails"
|
|
" (eg due to duplicate IDs)", HFILL }
|
|
},
|
|
{ &hf_mongo_query_flags_tailablecursor,
|
|
{ "Tailable Cursor", "mongo.query.flags.tailable_cursor",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000002,
|
|
"Tailable means cursor is not closed when the last data is retrieved", HFILL }
|
|
},
|
|
{ &hf_mongo_query_flags_slaveok,
|
|
{ "Slave OK", "mongo.query.flags.slave_ok",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000004,
|
|
"Allow query of replica slave", HFILL }
|
|
},
|
|
{ &hf_mongo_query_flags_oplogreplay,
|
|
{ "Op Log Reply", "mongo.query.flags.op_log_reply",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000008,
|
|
"Internal replication use only", HFILL }
|
|
},
|
|
{ &hf_mongo_query_flags_nocursortimeout,
|
|
{ "No Cursor Timeout", "mongo.query.flags.no_cursor_timeout",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000010,
|
|
"The server normally times out idle cursors after an inactivity period (10 minutes)"
|
|
" to prevent excess memory use. Set this option to prevent that", HFILL }
|
|
},
|
|
{ &hf_mongo_query_flags_awaitdata,
|
|
{ "AwaitData", "mongo.query.flags.awaitdata",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000020,
|
|
"If we are at the end of the data, block for a while rather than returning no data."
|
|
" After a timeout period, we do return as normal", HFILL }
|
|
},
|
|
{ &hf_mongo_query_flags_exhaust,
|
|
{ "Exhaust", "mongo.query.flags.exhaust",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000040,
|
|
"Stream the data down full blast in multiple more packages, on the assumption"
|
|
" that the client will fully read all data queried", HFILL }
|
|
},
|
|
{ &hf_mongo_query_flags_partial,
|
|
{ "Partial", "mongo.query.flags.partial",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000080,
|
|
"Get partial results from a mongos if some shards are down (instead of throwing an error)", HFILL }
|
|
},
|
|
{ &hf_mongo_number_to_skip,
|
|
{ "Number To Skip", "mongo.number_to_skip",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Number of documents in the skip", HFILL }
|
|
},
|
|
{ &hf_mongo_number_to_return,
|
|
{ "Number to Return", "mongo.number_to_return",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Number of documents in the return", HFILL }
|
|
},
|
|
{ &hf_mongo_query,
|
|
{ "Query", "mongo.query",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Query BSON Document", HFILL }
|
|
},
|
|
{ &hf_mongo_return_field_selector,
|
|
{ "Return Field Selector", "mongo.return_field_selector",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Return Field Selector BSON Document", HFILL }
|
|
},
|
|
{ &hf_mongo_delete_flags,
|
|
{ "Delete Flags", "mongo.delete.flags",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Bit vector of delete options.", HFILL }
|
|
},
|
|
{ &hf_mongo_delete_flags_singleremove,
|
|
{ "Single Remove", "mongo.delete.flags.singleremove",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000001,
|
|
"If set, the database will remove only the first matching document in the"
|
|
" collection. Otherwise all matching documents will be removed", HFILL }
|
|
},
|
|
{ &hf_mongo_compression_info,
|
|
{ "Compression Info", "mongo.compression",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Compressed Packet", HFILL }
|
|
},
|
|
{ &hf_mongo_original_op_code,
|
|
{ "Original OpCode", "mongo.compression.original_opcode",
|
|
FT_INT32, BASE_DEC, VALS(opcode_vals), 0x0,
|
|
"Type of request message (Wrapped)", HFILL }
|
|
},
|
|
{ &hf_mongo_uncompressed_size,
|
|
{ "Uncompressed Size", "mongo.compression.original_size",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Size of the uncompressed packet", HFILL }
|
|
},
|
|
{ &hf_mongo_compressor,
|
|
{ "Compressor", "mongo.compression.compressor",
|
|
FT_INT8, BASE_DEC, VALS(compressor_vals), 0x0,
|
|
"Compression engine", HFILL }
|
|
},
|
|
{ &hf_mongo_compressed_data,
|
|
{ "Compressed Data", "mongo.compression.compressed_data",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"The compressed data", HFILL }
|
|
},
|
|
{ &hf_mongo_unsupported_compressed,
|
|
{ "Unsupported Compressed Data", "mongo.compression.unsupported_compressed",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"This data is compressed with an unsupported compressor engine", HFILL }
|
|
},
|
|
{ &hf_mongo_msg_flags,
|
|
{ "Message Flags", "mongo.msg.flags",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"Bit vector of msg options.", HFILL }
|
|
},
|
|
{ &hf_mongo_msg_flags_checksumpresent,
|
|
{ "ChecksumPresent", "mongo.msg.flags.checksumpresent",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000001,
|
|
"The message ends with 4 bytes containing a CRC-32C [1] checksum", HFILL }
|
|
},
|
|
{ &hf_mongo_msg_flags_moretocome,
|
|
{ "MoreToCome", "mongo.msg.flags.moretocome",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00000002,
|
|
"Another message will follow this one without further action from the receiver", HFILL }
|
|
},
|
|
{ &hf_mongo_msg_flags_exhaustallowed,
|
|
{ "ExhaustAllowed", "mongo.msg.flags.exhaustallowed",
|
|
FT_BOOLEAN, 32, TFS(&tfs_yes_no), 0x00010000,
|
|
"The client is prepared for multiple replies to this request using the moreToCome bit.", HFILL }
|
|
},
|
|
{ &hf_mongo_msg_sections_section,
|
|
{ "Section", "mongo.msg.sections.section",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_msg_sections_section_kind,
|
|
{ "Kind", "mongo.msg.sections.section.kind",
|
|
FT_INT32, BASE_DEC, VALS(section_kind_vals), 0x0,
|
|
"Type of section", HFILL }
|
|
},
|
|
{ &hf_mongo_msg_sections_section_body,
|
|
{ "BodyDocument", "mongo.msg.sections.section.body",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_msg_sections_section_doc_sequence,
|
|
{ "DocumentSequence", "mongo.msg.sections.section.doc_sequence",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_msg_sections_section_size,
|
|
{ "Size", "mongo.msg.sections.section.size",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Size (in bytes) of document sequence", HFILL }
|
|
},
|
|
{ &hf_mongo_msg_sections_section_doc_sequence_id,
|
|
{ "SeqID", "mongo.msg.sections.section.doc_sequence_id",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Document sequence identifier", HFILL }
|
|
},
|
|
{ &hf_mongo_msg_checksum,
|
|
{ "Checksum", "mongo.msg.checksum",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"CRC32C checksum.", HFILL }
|
|
},
|
|
{ &hf_mongo_number_of_cursor_ids,
|
|
{ "Number of Cursor IDS", "mongo.number_to_cursor_ids",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Number of cursorIDs in message", HFILL }
|
|
},
|
|
{ &hf_mongo_elements,
|
|
{ "Elements", "mongo.elements",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Document Elements", HFILL }
|
|
},
|
|
{ &hf_mongo_element_name,
|
|
{ "Element", "mongo.element.name",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Element Name", HFILL }
|
|
},
|
|
{ &hf_mongo_element_type,
|
|
{ "Type", "mongo.element.type",
|
|
FT_UINT8, BASE_HEX_DEC, VALS(element_type_vals), 0x0,
|
|
"Element Type", HFILL }
|
|
},
|
|
{ &hf_mongo_element_length,
|
|
{ "Length", "mongo.element.length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Element Length", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_boolean,
|
|
{ "Value", "mongo.element.value.bool",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"Element Value", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_int32,
|
|
{ "Value", "mongo.element.value.int",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Element Value", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_int64,
|
|
{ "Value", "mongo.element.value.int64",
|
|
FT_INT64, BASE_DEC, NULL, 0x0,
|
|
"Element Value", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_double,
|
|
{ "Value", "mongo.element.value.double",
|
|
FT_DOUBLE, BASE_NONE, NULL, 0x0,
|
|
"Element Value", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_string,
|
|
{ "Value", "mongo.element.value.string",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Element Value", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_string_length,
|
|
{ "Length", "mongo.element.value.length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Element Value Length", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_binary,
|
|
{ "Value", "mongo.element.value.bytes",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Element Value", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_binary_length,
|
|
{ "Length", "mongo.element.value.length",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"Binary Element Length", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_regex_pattern,
|
|
{ "Value", "mongo.element.value.regex.pattern",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Regex Pattern", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_regex_options,
|
|
{ "Value", "mongo.element.value.regex.options",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Regex Options", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_objectid,
|
|
{ "ObjectID", "mongo.element.value.objectid",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"ObjectID Value", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_objectid_time,
|
|
{ "ObjectID Time", "mongo.element.value.objectid.time",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
"ObjectID timestampt", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_objectid_host,
|
|
{ "ObjectID Host", "mongo.element.value.objectid.host",
|
|
FT_UINT24, BASE_HEX, NULL, 0x0,
|
|
"ObjectID Host Hash", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_objectid_machine_id,
|
|
{ "ObjectID Machine", "mongo.element.value.objectid.machine_id",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"ObjectID machine ID", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_objectid_pid,
|
|
{ "ObjectID PID", "mongo.element.value.objectid.pid",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"ObjectID process ID", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_objectid_inc,
|
|
{ "ObjectID Inc", "mongo.element.value.objectid.inc",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"ObjectID increment", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_db_ptr,
|
|
{ "ObjectID", "mongo.element.value.db_ptr",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"DBPointer", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_js_code,
|
|
{ "JavaScript code", "mongo.element.value.js_code",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"JavaScript code to be evaluated", HFILL }
|
|
},
|
|
{ &hf_mongo_element_value_js_scope,
|
|
{ "JavaScript scope", "mongo.element.value.js_scope",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Scope document for JavaScript evaluation", HFILL }
|
|
},
|
|
{ &hf_mongo_database,
|
|
{ "database", "mongo.database",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"the name of the database to run the command on", HFILL }
|
|
},
|
|
{ &hf_mongo_commandname,
|
|
{ "commandName", "mongo.commandname",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"the name of the command", HFILL }
|
|
},
|
|
{ &hf_mongo_metadata,
|
|
{ "metadata", "mongo.metadata",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_commandargs,
|
|
{ "CommandArgs", "mongo.commandargs",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_commandreply,
|
|
{ "CommandReply", "mongo.commandreply",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_outputdocs,
|
|
{ "OutputDocs", "mongo.outputdocs",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mongo_unknown,
|
|
{ "Unknown", "mongo.unknown",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Unknown Data type", HFILL }
|
|
},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_mongo,
|
|
&ett_mongo_doc,
|
|
&ett_mongo_elements,
|
|
&ett_mongo_element,
|
|
&ett_mongo_objectid,
|
|
&ett_mongo_machine_id,
|
|
&ett_mongo_code,
|
|
&ett_mongo_fcn,
|
|
&ett_mongo_flags,
|
|
&ett_mongo_compression_info,
|
|
&ett_mongo_sections,
|
|
&ett_mongo_section,
|
|
&ett_mongo_msg_flags,
|
|
&ett_mongo_doc_sequence
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_mongo_document_recursion_exceeded, { "mongo.document.recursion_exceeded", PI_MALFORMED, PI_ERROR, "BSON document recursion exceeds", EXPFILL }},
|
|
{ &ei_mongo_document_length_bad, { "mongo.document.length.bad", PI_MALFORMED, PI_ERROR, "BSON document length bad", EXPFILL }},
|
|
{ &ei_mongo_unknown, { "mongo.unknown.expert", PI_UNDECODED, PI_WARN, "Unknown Data (not interpreted)", EXPFILL }},
|
|
{ &ei_mongo_unsupported_compression, { "mongo.unsupported_compression.expert", PI_UNDECODED, PI_WARN, "This packet was compressed with an unsupported compressor", EXPFILL }},
|
|
{ &ei_mongo_too_large_compressed, { "mongo.too_large_compressed.expert", PI_UNDECODED, PI_WARN, "The size of the uncompressed packet exceeded the maximum allowed value", EXPFILL }},
|
|
};
|
|
|
|
proto_mongo = proto_register_protocol("Mongo Wire Protocol", "MONGO", "mongo");
|
|
|
|
/* Allow dissector to find be found by name. */
|
|
mongo_handle = register_dissector("mongo", dissect_mongo, proto_mongo);
|
|
|
|
proto_register_field_array(proto_mongo, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_mongo = expert_register_protocol(proto_mongo);
|
|
expert_register_field_array(expert_mongo, ei, array_length(ei));
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_mongo(void)
|
|
{
|
|
dissector_add_uint_with_preference("tcp.port", TCP_PORT_MONGO, mongo_handle);
|
|
ssl_dissector_add(TCP_PORT_MONGO, mongo_handle);
|
|
}
|
|
/*
|
|
* Editor modelines
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|