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/* airpcap_int.h
*
* Copyright (c) 2006 CACE Technologies, Davis (California)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _AIRPDCAP_INT_H
#define _AIRPDCAP_INT_H
/****************************************************************************/
/* File includes */
#include "airpdcap_interop.h"
#include "airpdcap_system.h"
/****************************************************************************/
/****************************************************************************/
/* Definitions */
/* IEEE 802.11 packet type values */
#define AIRPDCAP_TYPE_MANAGEMENT 0
#define AIRPDCAP_TYPE_CONTROL 1
#define AIRPDCAP_TYPE_DATA 2
/* Min length of encrypted data (TKIP=25bytes, CCMP=21bytes) */
#define AIRPDCAP_CRYPTED_DATA_MINLEN 21
#define AIRPDCAP_TA_OFFSET 10
/* */
/****************************************************************************/
/****************************************************************************/
/* Macro definitions */
/**
* Macros to get various bits of a 802.11 control frame
*/
#define AIRPDCAP_TYPE(FrameControl_0) (UINT8)((FrameControl_0 >> 2) & 0x3)
#define AIRPDCAP_SUBTYPE(FrameControl_0) (UINT8)((FrameControl_0 >> 4) & 0xF)
#define AIRPDCAP_DS_BITS(FrameControl_1) (UINT8)(FrameControl_1 & 0x3)
#define AIRPDCAP_TO_DS(FrameControl_1) (UINT8)(FrameControl_1 & 0x1)
#define AIRPDCAP_FROM_DS(FrameControl_1) (UINT8)((FrameControl_1 >> 1) & 0x1)
#define AIRPDCAP_WEP(FrameControl_1) (UINT8)((FrameControl_1 >> 6) & 0x1)
/**
* Get the Key ID from the Initialization Vector (last byte)
*/
#define AIRPDCAP_EXTIV(KeyID) ((KeyID >> 5) & 0x1)
#define AIRPDCAP_KEY_INDEX(KeyID) ((KeyID >> 6) & 0x3) /** Used to determine TKIP group key from unicast (group = 1, unicast = 0) */
/* Macros to get various bits of an EAPOL frame */
#define AIRPDCAP_EAP_KEY_DESCR_VER(KeyInfo_1) ((UCHAR)(KeyInfo_1 & 0x3))
#define AIRPDCAP_EAP_KEY(KeyInfo_1) ((KeyInfo_1 >> 3) & 0x1)
#define AIRPDCAP_EAP_INST(KeyInfo_1) ((KeyInfo_1 >> 6) & 0x1)
#define AIRPDCAP_EAP_ACK(KeyInfo_1) ((KeyInfo_1 >> 7) & 0x1)
#define AIRPDCAP_EAP_MIC(KeyInfo_0) (KeyInfo_0 & 0x1)
#define AIRPDCAP_EAP_SEC(KeyInfo_0) ((KeyInfo_0 >> 1) & 0x1)
/****************************************************************************/
/****************************************************************************/
/* Structure definitions */
/*
* XXX - According to the thread at
* http://www.wireshark.org/lists/wireshark-dev/200612/msg00384.html we
* shouldn't have to worry about packing our structs, since the largest
* elements are 8 bits wide.
*/
#ifdef _MSC_VER /* MS Visual C++ */
#pragma pack(push)
#pragma pack(1)
#endif
/* Definition of IEEE 802.11 frame (without the address 4) */
typedef struct _AIRPDCAP_MAC_FRAME {
UCHAR fc[2];
UCHAR dur[2];
UCHAR addr1[AIRPDCAP_MAC_LEN];
UCHAR addr2[AIRPDCAP_MAC_LEN];
UCHAR addr3[AIRPDCAP_MAC_LEN];
UCHAR seq[2];
} AIRPDCAP_MAC_FRAME, *PAIRPDCAP_MAC_FRAME;
/* Definition of IEEE 802.11 frame (with the address 4) */
typedef struct _AIRPDCAP_MAC_FRAME_ADDR4 {
UCHAR fc[2];
UCHAR dur[2];
UCHAR addr1[AIRPDCAP_MAC_LEN];
UCHAR addr2[AIRPDCAP_MAC_LEN];
UCHAR addr3[AIRPDCAP_MAC_LEN];
UCHAR seq[2];
UCHAR addr4[AIRPDCAP_MAC_LEN];
} AIRPDCAP_MAC_FRAME_ADDR4, *PAIRPDCAP_MAC_FRAME_ADDR4;
/* Definition of IEEE 802.11 frame (without the address 4, with QOS) */
typedef struct _AIRPDCAP_MAC_FRAME_QOS {
UCHAR fc[2];
UCHAR dur[2];
UCHAR addr1[AIRPDCAP_MAC_LEN];
UCHAR addr2[AIRPDCAP_MAC_LEN];
UCHAR addr3[AIRPDCAP_MAC_LEN];
UCHAR seq[2];
UCHAR qos[2];
} AIRPDCAP_MAC_FRAME_QOS, *PAIRPDCAP_MAC_FRAME_QOS;
/* Definition of IEEE 802.11 frame (with the address 4 and QOS) */
typedef struct _AIRPDCAP_MAC_FRAME_ADDR4_QOS {
UCHAR fc[2];
UCHAR dur[2];
UCHAR addr1[AIRPDCAP_MAC_LEN];
UCHAR addr2[AIRPDCAP_MAC_LEN];
UCHAR addr3[AIRPDCAP_MAC_LEN];
UCHAR seq[2];
UCHAR addr4[AIRPDCAP_MAC_LEN];
UCHAR qos[2];
} AIRPDCAP_MAC_FRAME_ADDR4_QOS, *PAIRPDCAP_MAC_FRAME_ADDR4_QOS;
#ifdef _MSC_VER /* MS Visual C++ */
#pragma pack(pop)
#endif
/******************************************************************************/
#endif
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