![Jörg Mayer](/assets/img/avatar_default.png)
not finding it, I finally found it in column_info.h Renamed column_info.h to column-info.h to have consistency with the column*h files. svn path=/trunk/; revision=52667
221 lines
7.1 KiB
C
221 lines
7.1 KiB
C
/* epan.h
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*
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* $Id$
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*
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* Wireshark Protocol Analyzer Library
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*
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* Copyright (c) 2001 by Gerald Combs <gerald@wireshark.org>
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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 __EPAN_H__
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#define __EPAN_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <glib.h>
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#include "frame_data.h"
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#include "column-info.h"
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#include "register.h"
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#include "ws_symbol_export.h"
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typedef struct _epan_dissect_t epan_dissect_t;
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#include "dfilter/dfilter.h"
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/**
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@mainpage Wireshark EPAN the packet analyzing engine. Source code can be found in the epan directory
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@section Introduction
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XXX
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@b Sections:
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*/
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/*
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Ref 1
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Epan
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Ethereal Packet ANalyzer (XXX - is this correct?) the packet analyzing engine. Source code can be found in the epan directory.
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Protocol-Tree - Keep data of the capture file protocol information.
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Dissectors - The various protocol dissectors in epan/dissectors.
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Plugins - Some of the protocol dissectors are implemented as plugins. Source code can be found at plugins.
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Display-Filters - the display filter engine at epan/dfilter
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Ref2 for further edits - delete when done
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\section Introduction
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This document describes the data structures and the functions exported by the CACE Technologies AirPcap library.
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The AirPcap library provides low-level access to the AirPcap driver including advanced capabilities such as channel setting,
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link type control and WEP configuration.<br>
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This manual includes the following sections:
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\note throughout this documentation, \e device refers to a physical USB AirPcap device, while \e adapter is an open API
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instance. Most of the AirPcap API operations are adapter-specific but some of them, like setting the channel, are
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per-device and will be reflected on all the open adapters. These functions will have "Device" in their name, e.g.
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AirpcapSetDeviceChannel().
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\b Sections:
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- \ref airpcapfuncs
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- \ref airpcapdefs
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- \ref radiotap
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*/
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/** init the whole epan module, this is used to be called only once in a program */
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WS_DLL_PUBLIC
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void epan_init(void (*register_all_protocols_func)(register_cb cb, gpointer client_data),
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void (*register_all_handoffs_func)(register_cb cb, gpointer client_data),
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register_cb cb,
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void *client_data,
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void (*report_failure_fcn_p)(const char *, va_list),
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void (*report_open_failure_fcn_p)(const char *, int, gboolean),
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void (*report_read_failure_fcn_p)(const char *, int),
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void (*report_write_failure_fcn_p)(const char *, int));
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/** cleanup the whole epan module, this is used to be called only once in a program */
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WS_DLL_PUBLIC
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void epan_cleanup(void);
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/**
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* Initialize the table of conversations. Conversations are identified by
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* their endpoints; they are used for protocols such as IP, TCP, and UDP,
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* where packets contain endpoint information but don't contain a single
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* value indicating to which flow the packet belongs.
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*/
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void epan_conversation_init(void);
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void epan_conversation_cleanup(void);
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/**
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* Initialize the table of circuits. Circuits are identified by a
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* circuit ID; they are used for protocols where packets *do* contain
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* a circuit ID value indicating to which flow the packet belongs.
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*
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* We might want to make a superclass for both endpoint-specified
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* conversations and circuit ID-specified circuits, so we can attach
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* information either to a circuit or a conversation with common
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* code.
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*/
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void epan_circuit_init(void);
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void epan_circuit_cleanup(void);
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/** A client will create one epan_t for an entire dissection session.
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* A single epan_t will be used to analyze the entire sequence of packets,
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* sequentially, in a single session. A session corresponds to a single
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* packet trace file. The reaons epan_t exists is that some packets in
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* some protocols cannot be decoded without knowledge of previous packets.
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* This inter-packet "state" is stored in the epan_t.
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*/
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typedef struct epan_session epan_t;
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WS_DLL_PUBLIC epan_t *epan_new(void);
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const char *epan_get_user_comment(const epan_t *session, const frame_data *fd);
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const char *epan_get_interface_name(const epan_t *session, guint32 interface_id);
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const nstime_t *epan_get_frame_ts(const epan_t *session, guint32 frame_num);
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WS_DLL_PUBLIC void epan_free(epan_t *session);
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WS_DLL_PUBLIC const gchar*
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epan_get_version(void);
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/** initialize an existing single packet dissection */
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WS_DLL_PUBLIC
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epan_dissect_t*
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epan_dissect_init(epan_dissect_t *edt, epan_t *session, const gboolean create_proto_tree, const gboolean proto_tree_visible);
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/** get a new single packet dissection
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* should be freed using epan_dissect_free() after packet dissection completed
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*/
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WS_DLL_PUBLIC
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epan_dissect_t*
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epan_dissect_new(epan_t *session, const gboolean create_proto_tree, const gboolean proto_tree_visible);
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/** Indicate whether we should fake protocols or not */
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WS_DLL_PUBLIC
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void
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epan_dissect_fake_protocols(epan_dissect_t *edt, const gboolean fake_protocols);
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/** run a single packet dissection */
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WS_DLL_PUBLIC
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void
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epan_dissect_run(epan_dissect_t *edt, struct wtap_pkthdr *phdr,
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tvbuff_t *tvb, frame_data *fd, column_info *cinfo);
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WS_DLL_PUBLIC
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void
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epan_dissect_run_with_taps(epan_dissect_t *edt, struct wtap_pkthdr *phdr,
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tvbuff_t *tvb, frame_data *fd, column_info *cinfo);
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/** Prime a proto_tree using the fields/protocols used in a dfilter. */
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WS_DLL_PUBLIC
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void
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epan_dissect_prime_dfilter(epan_dissect_t *edt, const dfilter_t *dfcode);
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/** fill the dissect run output into the packet list columns */
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WS_DLL_PUBLIC
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void
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epan_dissect_fill_in_columns(epan_dissect_t *edt, const gboolean fill_col_exprs, const gboolean fill_fd_colums);
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/** Check whether a dissected packet contains a given named field */
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WS_DLL_PUBLIC
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gboolean
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epan_dissect_packet_contains_field(epan_dissect_t* edt,
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const char *field_name);
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/** releases resources attached to the packet dissection. DOES NOT free the actual pointer */
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WS_DLL_PUBLIC
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void
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epan_dissect_cleanup(epan_dissect_t* edt);
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/** free a single packet dissection */
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WS_DLL_PUBLIC
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void
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epan_dissect_free(epan_dissect_t* edt);
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/** Sets custom column */
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const gchar *
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epan_custom_set(epan_dissect_t *edt, int id, gint occurrence,
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gchar *result, gchar *expr, const int size);
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/**
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* Get compile-time information for libraries used by libwireshark.
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*/
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WS_DLL_PUBLIC
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void
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epan_get_compiled_version_info(GString *str);
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/**
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* Get runtime information for libraries used by libwireshark.
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*/
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WS_DLL_PUBLIC
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void
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epan_get_runtime_version_info(GString *str);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __EPAN_H__ */
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