388 lines
9.6 KiB
C
388 lines
9.6 KiB
C
/* mate.h
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* MATE -- Meta Analysis and Tracing Engine
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*
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* Copyright 2004, Luis E. Garcia Ontanon <luis@ontanon.org>
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*
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* $Id$
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __MATE_H_
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#define __MATE_H_
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#include "config.h"
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#ifndef ENABLE_STATIC
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#include "moduleinfo.h"
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#include <gmodule.h>
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#else
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#include <glib.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <wsutil/report_err.h>
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#include <epan/packet.h>
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#include <epan/strutil.h>
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#include <epan/prefs.h>
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#include <epan/proto.h>
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#include <epan/epan_dissect.h>
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#include <epan/tap.h>
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#include <epan/filesystem.h>
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#include "mate_util.h"
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/* defaults */
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#define DEFAULT_GOG_EXPIRATION 2.0
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#ifdef _WIN32
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#define DIR_SEP '\\'
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#else
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#define DIR_SEP '/'
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#endif
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#define DEFAULT_MATE_LIB_PATH "matelib"
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#define MATE_ITEM_ID_SIZE 24
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#define VALUE_TOO ((void*)1)
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#define MateConfigError 65535
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typedef enum _gop_tree_mode_t {
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GOP_NULL_TREE,
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GOP_BASIC_TREE,
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GOP_FULL_TREE
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} gop_tree_mode_t;
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typedef enum _gop_pdu_tree {
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GOP_NO_TREE,
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GOP_PDU_TREE,
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GOP_FRAME_TREE,
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GOP_BASIC_PDU_TREE
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} gop_pdu_tree_t;
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typedef enum _accept_mode_t {
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ACCEPT_MODE,
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REJECT_MODE
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} accept_mode_t;
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typedef struct _mate_cfg_pdu {
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gchar* name;
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guint last_id; /* keeps the last id given to an item of this kind */
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GHashTable* items; /* all the items of this type */
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GPtrArray* transforms; /* transformations to be applied */
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int hfid;
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int hfid_proto;
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int hfid_pdu_rel_time;
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int hfid_pdu_time_in_gop;
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GHashTable* my_hfids; /* for creating register info */
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gint ett;
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gint ett_attr;
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GHashTable* hfids_attr; /* k=hfid v=avp_name */
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gboolean discard;
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gboolean last_extracted;
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gboolean drop_unassigned;
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GPtrArray* transport_ranges; /* hfids of candidate transport ranges from which to extract attributes */
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GPtrArray* payload_ranges; /* hfids of candidate payload ranges from which to extract attributes */
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avpl_match_mode criterium_match_mode;
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accept_mode_t criterium_accept_mode;
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AVPL* criterium;
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} mate_cfg_pdu;
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typedef struct _mate_cfg_gop {
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gchar* name;
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guint last_id; /* keeps the last id given to an item of this kind */
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GHashTable* items; /* all the items of this type */
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GPtrArray* transforms; /* transformations to be applied */
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gchar* on_pdu;
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AVPL* key; /* key candidate avpl */
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AVPL* start; /* start candidate avpl */
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AVPL* stop; /* stop candidate avpl */
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AVPL* extra; /* attributes to be added */
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float expiration;
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float idle_timeout;
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float lifetime;
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gboolean drop_unassigned;
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gop_pdu_tree_t pdu_tree_mode;
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gboolean show_times;
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GHashTable* my_hfids; /* for creating register info */
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int hfid;
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int hfid_start_time;
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int hfid_stop_time;
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int hfid_last_time;
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int hfid_gop_pdu;
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int hfid_gop_num_pdus;
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gint ett;
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gint ett_attr;
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gint ett_times;
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gint ett_children;
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GHashTable* gop_index;
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GHashTable* gog_index;
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} mate_cfg_gop;
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typedef struct _mate_cfg_gog {
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gchar* name;
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GHashTable* items; /* all the items of this type */
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guint last_id; /* keeps the last id given to an item of this kind */
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GPtrArray* transforms; /* transformations to be applied */
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LoAL* keys;
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AVPL* extra; /* attributes to be added */
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float expiration;
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gop_tree_mode_t gop_tree_mode;
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gboolean show_times;
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GHashTable* my_hfids; /* for creating register info */
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int hfid;
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int hfid_gog_num_of_gops;
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int hfid_gog_gop;
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int hfid_gog_gopstart;
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int hfid_gog_gopstop;
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int hfid_start_time;
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int hfid_stop_time;
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int hfid_last_time;
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gint ett;
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gint ett_attr;
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gint ett_times;
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gint ett_children;
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gint ett_gog_gop;
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} mate_cfg_gog;
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typedef struct _mate_config {
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gchar* mate_config_file; /* name of the config file */
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int hfid_mate;
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GString* fields_filter; /* "ip.addr || dns.id || ... " for the tap */
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GString* protos_filter; /* "dns || ftp || ..." for the tap */
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gchar* tap_filter;
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FILE* dbg_facility; /* where to dump dbgprint output g_message if null */
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gchar* mate_lib_path; /* where to look for "Include" files first */
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GHashTable* pducfgs; /* k=pducfg->name v=pducfg */
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GHashTable* gopcfgs; /* k=gopcfg->name v=gopcfg */
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GHashTable* gogcfgs; /* k=gogcfg->name v=gogcfg */
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GHashTable* transfs; /* k=transform->name v=transform */
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GPtrArray* pducfglist; /* pducfgs in order of "execution" */
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GHashTable* gops_by_pduname; /* k=pducfg->name v=gopcfg */
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GHashTable* gogs_by_gopname; /* k=gopname v=loal where avpl->name == matchedgop->name */
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GArray* hfrs;
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gint ett_root;
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GArray* ett;
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/* defaults */
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struct _mate_cfg_defaults {
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struct _pdu_defaults {
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avpl_match_mode match_mode;
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avpl_replace_mode replace_mode;
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gboolean last_extracted;
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gboolean drop_unassigned;
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gboolean discard;
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} pdu;
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struct _gop_defaults {
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float expiration;
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float idle_timeout;
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float lifetime;
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gop_pdu_tree_t pdu_tree_mode;
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gboolean show_times;
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gboolean drop_unassigned;
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} gop;
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struct _gog_defaults {
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float expiration;
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gboolean show_times;
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gop_tree_mode_t gop_tree_mode;
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} gog;
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} defaults;
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/* what to dbgprint */
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int dbg_lvl;
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int dbg_pdu_lvl;
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int dbg_gop_lvl;
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int dbg_gog_lvl;
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GPtrArray* config_stack;
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GString* config_error;
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} mate_config;
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typedef struct _mate_config_frame {
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gchar* filename;
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guint linenum;
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} mate_config_frame;
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typedef struct _mate_runtime_data {
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guint current_items; /* a count of items */
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float now;
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guint highest_analyzed_frame;
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GHashTable* frames; /* k=frame.num v=pdus */
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} mate_runtime_data;
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typedef struct _mate_pdu mate_pdu;
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typedef struct _mate_gop mate_gop;
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typedef struct _mate_gog mate_gog;
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/* these are used to contain information regarding pdus, gops and gogs */
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struct _mate_pdu {
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guint32 id; /* 1:1 -> saving a g_malloc */
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mate_cfg_pdu* cfg; /* the type of this item */
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AVPL* avpl;
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guint32 frame; /* wich frame I belog to? */
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mate_pdu* next_in_frame; /* points to the next pdu in this frame */
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float rel_time; /* time since start of capture */
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mate_gop* gop; /* the gop the pdu belongs to (if any) */
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mate_pdu* next; /* next in gop */
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float time_in_gop; /* time since gop start */
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gboolean first; /* is this the first pdu in this frame? */
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gboolean is_start; /* this is the start pdu for this gop */
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gboolean is_stop; /* this is the stop pdu for this gop */
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gboolean after_release; /* this pdu comes after the stop */
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};
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struct _mate_gop {
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guint32 id;
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mate_cfg_gop* cfg;
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gchar* gop_key;
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AVPL* avpl; /* the attributes of the pdu/gop/gog */
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guint last_n;
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mate_gog* gog; /* the gog of a gop */
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mate_gop* next; /* next in gog; */
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float expiration; /* when will it expire after release (all gops releases if gog)? */
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float idle_expiration; /* when will it expire if no new pdus are assigned to it */
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float time_to_die;
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float time_to_timeout;
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float start_time; /* time of start */
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float release_time; /* when this gop/gog was released */
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float last_time; /* the rel_time at which the last pdu has been added (to gop or gog's gop) */
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int num_of_pdus; /* how many gops a gog has? */
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int num_of_after_release_pdus; /* how many pdus have arrived since it's been released */
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mate_pdu* pdus; /* pdus that belong to a gop (NULL in gog) */
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mate_pdu* last_pdu; /* last pdu in pdu's list */
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gboolean released; /* has this gop been released? */
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};
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struct _mate_gog {
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guint32 id;
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mate_cfg_gog* cfg;
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AVPL* avpl; /* the attributes of the pdu/gop/gog */
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guint last_n; /* the number of attributes the avpl had the last time we checked */
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gboolean released; /* has this gop been released? */
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float expiration; /* when will it expire after release (all gops releases if gog)? */
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float idle_expiration; /* when will it expire if no new pdus are assigned to it */
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/* on gop and gog: */
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float start_time; /* time of start */
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float release_time; /* when this gog was released */
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float last_time; /* the rel_time at which the last pdu has been added */
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mate_gop* gops; /* gops that belong to a gog (NULL in gop) */
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mate_gop* last_gop; /* last gop in gop's list */
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int num_of_gops; /* how many gops a gog has? */
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int num_of_counting_gops; /* how many of them count for gog release */
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int num_of_released_gops; /* how many of them have already been released */
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GPtrArray* gog_keys; /* the keys under which this gog is stored in the gogs hash */
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};
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typedef union _mate_max_size {
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mate_pdu pdu;
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mate_gop gop;
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mate_gog gog;
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} mate_max_size;
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/* from mate_runtime.c */
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extern void initialize_mate_runtime(void);
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extern mate_pdu* mate_get_pdus(guint32 framenum);
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extern void mate_analyze_frame(packet_info *pinfo, proto_tree* tree);
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/* from mate_setup.c */
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extern mate_config* mate_make_config(const gchar* filename, int mate_hfid);
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extern mate_config* mate_cfg(void);
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extern mate_cfg_pdu* new_pducfg(gchar* name);
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extern mate_cfg_gop* new_gopcfg(gchar* name);
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extern mate_cfg_gog* new_gogcfg(gchar* name);
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extern gboolean add_hfid(header_field_info* hfi, gchar* as, GHashTable* where);
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extern gchar* add_ranges(gchar* range, GPtrArray* range_ptr_arr);
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/* from mate_parser.l */
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extern gboolean mate_load_config(const gchar* filename, mate_config* mc);
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#endif
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