wireshark/plugins/mate/mate.h

310 lines
9.6 KiB
C

/* mate.h
* MATE -- Meta Analysis and Tracing Engine
*
* Copyright 2004, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
*
* $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __MATE_H_
#define __MATE_H_
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "plugins/plugin_api.h"
#include "moduleinfo.h"
#include <gmodule.h>
#include <epan/packet.h>
#include <epan/strutil.h>
#include <epan/prefs.h>
#include <stdio.h>
#include <string.h>
#include <epan/proto.h>
#include <epan/epan_dissect.h>
#include <epan/tap.h>
#include <epan/filesystem.h>
#include "mate_util.h"
#include "plugins/plugin_api_defs.h"
/* defaults */
#define DEFAULT_MAX_MATE_ITEMS 0
#define DEFAULT_GOG_EXPIRATION 2.0
#ifdef WIN32
#define DIR_SEP '\\'
#else
#define DIR_SEP '/'
#endif
#define DEFAULT_MATE_LIB_PATH "matelib"
#define MATE_ITEM_ID_SIZE 24
/* Config AVP Names */
#define KEYWORD_ACTION "Action"
#define KEYWORD_SETTINGS "Settings"
#define KEYWORD_INCLUDE "Include"
#define KEYWORD_TRANSFORM "Transform"
#define KEYWORD_PDU "PduDef"
#define KEYWORD_PDUCRITERIA "PduCriteria"
#define KEYWORD_PDUEXTRA "PduExtra"
#define KEYWORD_PDUTRANSFORM "PduTransform"
#define KEYWORD_GOP "GopDef"
#define KEYWORD_GOPSTART "GopStart"
#define KEYWORD_GOPSTOP "GopStop"
#define KEYWORD_GOPEXTRA "GopExtra"
#define KEYWORD_GOPTRANSFORM "GopTransform"
#define KEYWORD_GOGDEF "GogDef"
#define KEYWORD_GOGKEY "GogKey"
#define KEYWORD_GOGEXTRA "GogExtra"
#define KEYWORD_GOGTRANSFORM "GogTransform"
#define KEYWORD_NAME "Name"
#define KEYWORD_ON "On"
#define KEYWORD_FOR "For"
#define KEYWORD_FROM "From"
#define KEYWORD_TO "To"
#define KEYWORD_MATCH "Match"
#define KEYWORD_MODE "Mode"
#define KEYWORD_FILENAME "Filename"
#define KEYWORD_PROTO "Proto"
#define KEYWORD_METHOD "Method"
#define KEYWORD_TRANSPORT "Transport"
#define KEYWORD_STRICT "Strict"
#define KEYWORD_LOOSE "Loose"
#define KEYWORD_EVERY "Every"
#define KEYWORD_REPLACE "Replace"
#define KEYWORD_INSERT "Insert"
#define KEYWORD_MAP "Map"
#define KEYWORD_GOGEXPIRE "GogExpiration"
#define KEYWORD_DISCARDPDU "DiscardPduData"
#define KEYWORD_LIBPATH "ThingLibPath"
#define KEYWORD_SHOWPDUTREE "ShowPduTree"
#define KEYWORD_SHOWGOPTIMES "ShowGopTimes"
#define KEYWORD_STOP "Stop"
#define KEYWORD_DROPGOP "DiscardUnassignedGop"
#define KEYWORD_DROPPDU "DiscardUnassignedPdu"
#define KEYWORD_LIB "Lib"
#define KEYWORD_ACCEPT "Accept"
#define KEYWORD_REJECT "Reject"
#define KEYWORD_DEBUGFILENAME "Debug_File"
#define KEYWORD_DBG_GENERAL "Debug_General"
#define KEYWORD_DBG_CFG "Debug_Cfg"
#define KEYWORD_DBG_PDU "Debug_PDU"
#define KEYWORD_DBG_GOP "Debug_Gop"
#define KEYWORD_DBG_GOG "Debug_Gog"
#ifdef _AVP_DEBUGGING
#define KEYWORD_DBG_AVPLIB "Debug_AVP_Lib"
#define KEYWORD_DBG_AVP "Debug_AVP"
#define KEYWORD_DBG_AVP_OP "Debug_AVP_Op"
#define KEYWORD_DBG_AVPL "Debug_AVPL"
#define KEYWORD_DBG_AVPL_OP "Debug_AVPL_Op"
#endif
#define VALUE_TOO ((void*)1)
typedef enum _mate_item_type {
MATE_UNK_TYPE,
MATE_PDU_TYPE,
MATE_GOP_TYPE,
MATE_GOG_TYPE
} mate_item_type;
typedef struct _mate_cfg_item mate_cfg_pdu;
typedef struct _mate_cfg_item mate_cfg_gop;
typedef struct _mate_cfg_item mate_cfg_gog;
typedef struct _mate_item mate_item;
typedef struct _mate_item mate_pdu;
typedef struct _mate_item mate_gop;
typedef struct _mate_item mate_gog;
typedef struct _mate_cfg_item {
guint8* name;
mate_item_type type;
GPtrArray* transforms; /* transformations to be applied */
AVPL* extra; /* attributes to be added */
guint last_id; /* keeps the last id given to an item of this kind */
int hfid;
GHashTable* my_hfids; /* for creating register info */
GHashTable* items; /* all the items of this type */
gint ett;
gint ett_attr;
gint ett_times;
gint ett_children;
/* pdu */
gboolean discard_pdu_attributes;
gboolean last_to_be_created;
int hfid_proto;
GPtrArray* hfid_ranges; /* hfids of candidate ranges from which to extract attributes */
GHashTable* hfids_attr; /* k=hfid v=avp_name */
gboolean drop_pdu;
avpl_match_mode criterium_match_mode;
AVPL* criterium; /* must match to be created */
int hfid_pdu_rel_time;
/* gop */
AVPL* start; /* start candidate avpl */
AVPL* stop; /* stop candidate avpl */
AVPL* key; /* key candidate avpl */
gboolean show_pdu_tree;
gboolean show_gop_times;
gboolean drop_gop;
int hfid_gop_pdu;
int hfid_gop_start_time;
int hfid_gop_stop_time;
int hfid_gop_last_time;
int hfid_gop_num_pdus;
/* gog */
LoAL* keys;
float expiration;
int hfid_gog_num_of_gops;
int hfid_gog_gop;
} mate_cfg_item;
typedef struct _mate_config {
/* current defaults */
float gog_expiration; /* default expirations for gogs if undefined in gog */
gboolean discard_pdu_attributes; /* destroy the pdu's avpl once analyzed */
gboolean drop_pdu; /* destroy the pdu if not assign to a gop */
gboolean drop_gop; /* destroy the gop if not assign to a gog */
guint8* mate_lib_path; /* where to look for "Include" files first */
gboolean show_pdu_tree;
gboolean show_gop_times;
gboolean last_to_be_created;
avpl_match_mode match_mode;
avpl_replace_mode replace_mode;
guint8* accept;
guint8* reject;
/* what to dbgprint */
int dbg_lvl;
int dbg_cfg_lvl;
int dbg_pdu_lvl;
int dbg_gop_lvl;
int dbg_gog_lvl;
guint8* mate_config_file; /* name of the config file */
GString* mate_attrs_filter; /* "ip.addr || dns.id || ... " for the tap */
GString* mate_protos_filter; /* "dns || ftp || ..." for the tap */
FILE* dbg_facility; /* where to dump dbgprint output g_message if null */
guint8* tap_filter;
GHashTable* pducfgs; /* k=pducfg->name v=pducfg */
GHashTable* gopcfgs; /* k=gopcfg->name v=gopcfg */
GHashTable* gogcfgs; /* k=gogcfg->name v=gogcfg */
GHashTable* transfs; /* k=transform->name v=transform */
GPtrArray* pducfglist; /* pducfgs in order of "execution" */
GHashTable* gops_by_pduname; /* k=pducfg->name v=gopcfg */
GHashTable* gogs_by_gopname; /* k=gopname v=loal where avpl->name == matchedgop->name */
GArray* hfrs;
gint ett_root;
GArray* ett;
} mate_config;
typedef struct _mate_runtime_data {
guint current_items; /* a count of items */
GMemChunk* mate_items;
float now;
guint highest_analyzed_frame;
GHashTable* frames; /* k=frame.num v=pdus */
GHashTable* items; /* k=item->id v=item */
GHashTable* gops; /* k=gop_key_match v=gop */
GHashTable* gogs; /* k=gog_key_match v=gog */
} mate_runtime_data;
/* these are used to contain information regarding pdus, gops and gogs */
struct _mate_item {
/* all three of them */
guint32 id; /* 1:1 -> saving a g_malloc */
mate_cfg_item* cfg; /* the type of this item */
AVPL* avpl; /* the attributes of the pdu/gop/gog */
/* these two have different uses in pdu and gop/gog */
gint start; /* start of the pdu in the tvb / framenum of the start of a gop */
gint end; /* end of the pdu in the tvb / framenum of the stop of a gop */
mate_item* next; /* in pdu: next in gop; in gop: next in gog; in gog this doesn't make any sense yet */
/* union _payload { */
/* struct _pdu { */
guint32 frame; /* wich frame I belog to? */
mate_gop* gop; /* the gop the pdu belongs to (if any) */
gboolean first; /* is this the first pdu in this frame? */
gboolean is_start; /* this is the start pdu for this gop */
gboolean is_stop; /* this is the stop pdu for this gop */
gboolean after_release; /* this pdu comes after the stop */
float rel_time; /* time since gop start if in gop or start of capture if unassigned */
mate_pdu* next_in_frame; /* points to the next pdu in this frame */
/* } pdu; */
/* struct _gop { */
mate_gog* gog; /* the gog of a gop */
mate_pdu* pdus; /* pdus that belong to a gop (NULL in gog) */
float expiration; /* when will it expire once released? */
gboolean released; /* has this gop been released? */
int num_of_pdus; /* how many gops a gog has? */
int num_of_after_release_pdus; /* how many pdus have arrived since it's been released */
float start_time; /* time of start */
float release_time; /* when this gop was released */
float last_time; /* the rel time at which the last pdu/gop has been added */
guint8* gop_key; /* used by gop */
mate_pdu* last_pdu; /* last pdu in pdu's list */
/* } gop; */
/* struct _gog { */
mate_gop* gops; /* gops that belong to a gog (NULL in gop) */
int num_of_gops; /* how many gops a gog has? */
int num_of_released_gops; /* how many of them have already been released */
guint last_n; /* the number of attributes the avpl had the last time we checked */
GPtrArray* gog_keys; /* the keys under which this gog is stored in the gogs hash */
mate_gop* last_gop; /* last gop in gop's list */
/* } gog; */
/* } o; */
};
/* from mate_runtime.c */
extern void initialize_mate_runtime(void);
extern mate_pdu* mate_get_pdus(guint32 framenum);
extern void analyze_frame(packet_info *pinfo, proto_tree* tree);
extern int mate_packet(void* _U_, proto_tree* _U_, epan_dissect_t* _U_, void* _U_);
/* from mate_setup.c */
extern mate_config* mate_make_config(guint8* filename);
extern mate_config* mate_cfg();
#endif