Rename airpdcap to dot11decrypt.

Our 802.11 decryption code isn't tied to any specific product. Change
the file and API names to dot11decrypt.

Change-Id: I14fd951be3ae9b656a4e1959067fc0bdcc681ee2
Reviewed-on: https://code.wireshark.org/review/26058
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Michael Mann <mmann78@netscape.net>

1 files changed, 172 insertions, 0 deletions

diff --git a/epan/crypt/dot11decrypt_int.h b/epan/crypt/dot11decrypt_int.h
new file mode 100644
index 0000000000..8ac919fdbe
--- /dev/null
+++ b/epan/crypt/dot11decrypt_int.h
@@ -0,0 +1,172 @@
+/* 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	_DOT11DECRYPT_INT_H
+#define	_DOT11DECRYPT_INT_H
+
+/****************************************************************************/
+/*	File includes								*/
+
+#include "dot11decrypt_interop.h"
+#include "dot11decrypt_system.h"
+
+/****************************************************************************/
+
+/****************************************************************************/
+/* Definitions									*/
+
+/* IEEE 802.11 packet type values						*/
+#define	DOT11DECRYPT_TYPE_MANAGEMENT		0
+#define	DOT11DECRYPT_TYPE_CONTROL			1
+#define	DOT11DECRYPT_TYPE_DATA			2
+
+/* IEEE 802.11 packet subtype values						*/
+#define DOT11DECRYPT_SUBTYPE_ASSOC_REQ		0
+#define DOT11DECRYPT_SUBTYPE_ASSOC_RESP		1
+#define DOT11DECRYPT_SUBTYPE_REASSOC_REQ		2
+#define DOT11DECRYPT_SUBTYPE_REASSOC_RESP		3
+#define DOT11DECRYPT_SUBTYPE_PROBE_REQ		4
+#define DOT11DECRYPT_SUBTYPE_PROBE_RESP		5
+#define DOT11DECRYPT_SUBTYPE_MEASUREMENT_PILOT	6
+#define DOT11DECRYPT_SUBTYPE_BEACON			8
+#define DOT11DECRYPT_SUBTYPE_ATIM			9
+#define DOT11DECRYPT_SUBTYPE_DISASS			10
+#define DOT11DECRYPT_SUBTYPE_AUTHENTICATION		11
+#define DOT11DECRYPT_SUBTYPE_DEAUTHENTICATION	12
+#define DOT11DECRYPT_SUBTYPE_ACTION			13
+#define DOT11DECRYPT_SUBTYPE_ACTION_NO_ACK		14
+
+/* Min length of encrypted data (TKIP=21bytes, CCMP=17bytes)			*/
+#define	DOT11DECRYPT_CRYPTED_DATA_MINLEN	17
+
+#define DOT11DECRYPT_TA_OFFSET	10
+
+/*										*/
+/****************************************************************************/
+
+/****************************************************************************/
+/* Macro definitions								*/
+
+/**
+ * Macros to get various bits of a 802.11 control frame
+ */
+#define	DOT11DECRYPT_TYPE(FrameControl_0)		(UINT8)((FrameControl_0 >> 2) & 0x3)
+#define	DOT11DECRYPT_SUBTYPE(FrameControl_0)	(UINT8)((FrameControl_0 >> 4) & 0xF)
+#define	DOT11DECRYPT_DS_BITS(FrameControl_1)	(UINT8)(FrameControl_1 & 0x3)
+#define	DOT11DECRYPT_TO_DS(FrameControl_1)		(UINT8)(FrameControl_1 & 0x1)
+#define	DOT11DECRYPT_FROM_DS(FrameControl_1)	(UINT8)((FrameControl_1 >> 1) & 0x1)
+#define	DOT11DECRYPT_WEP(FrameControl_1)		(UINT8)((FrameControl_1 >> 6) & 0x1)
+
+/**
+ * Get the Key ID from the Initialization Vector (last byte)
+ */
+#define	DOT11DECRYPT_EXTIV(KeyID)	((KeyID >> 5) & 0x1)
+
+#define	DOT11DECRYPT_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	DOT11DECRYPT_EAP_KEY_DESCR_VER(KeyInfo_1)	((UCHAR)(KeyInfo_1 & 0x3))
+#define	DOT11DECRYPT_EAP_KEY(KeyInfo_1)		((KeyInfo_1 >> 3) & 0x1)
+#define	DOT11DECRYPT_EAP_INST(KeyInfo_1)		((KeyInfo_1 >> 6) & 0x1)
+#define	DOT11DECRYPT_EAP_ACK(KeyInfo_1)		((KeyInfo_1 >> 7) & 0x1)
+#define	DOT11DECRYPT_EAP_MIC(KeyInfo_0)		(KeyInfo_0 & 0x1)
+#define	DOT11DECRYPT_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 _DOT11DECRYPT_MAC_FRAME {
+	UCHAR	fc[2];
+	UCHAR	dur[2];
+	UCHAR	addr1[DOT11DECRYPT_MAC_LEN];
+	UCHAR	addr2[DOT11DECRYPT_MAC_LEN];
+	UCHAR	addr3[DOT11DECRYPT_MAC_LEN];
+	UCHAR	seq[2];
+} DOT11DECRYPT_MAC_FRAME, *PDOT11DECRYPT_MAC_FRAME;
+
+/* Definition of IEEE 802.11 frame (with the address 4)			*/
+typedef struct _DOT11DECRYPT_MAC_FRAME_ADDR4 {
+	UCHAR	fc[2];
+	UCHAR	dur[2];
+	UCHAR	addr1[DOT11DECRYPT_MAC_LEN];
+	UCHAR	addr2[DOT11DECRYPT_MAC_LEN];
+	UCHAR	addr3[DOT11DECRYPT_MAC_LEN];
+	UCHAR	seq[2];
+	UCHAR	addr4[DOT11DECRYPT_MAC_LEN];
+} DOT11DECRYPT_MAC_FRAME_ADDR4, *PDOT11DECRYPT_MAC_FRAME_ADDR4;
+
+/* Definition of IEEE 802.11 frame (without the address 4, with QOS)		*/
+typedef struct _DOT11DECRYPT_MAC_FRAME_QOS {
+	UCHAR	fc[2];
+	UCHAR	dur[2];
+	UCHAR	addr1[DOT11DECRYPT_MAC_LEN];
+	UCHAR	addr2[DOT11DECRYPT_MAC_LEN];
+	UCHAR	addr3[DOT11DECRYPT_MAC_LEN];
+	UCHAR	seq[2];
+	UCHAR	qos[2];
+} DOT11DECRYPT_MAC_FRAME_QOS, *PDOT11DECRYPT_MAC_FRAME_QOS;
+
+/* Definition of IEEE 802.11 frame (with the address 4 and QOS)		*/
+typedef struct _DOT11DECRYPT_MAC_FRAME_ADDR4_QOS {
+	UCHAR	fc[2];
+	UCHAR	dur[2];
+	UCHAR	addr1[DOT11DECRYPT_MAC_LEN];
+	UCHAR	addr2[DOT11DECRYPT_MAC_LEN];
+	UCHAR	addr3[DOT11DECRYPT_MAC_LEN];
+	UCHAR	seq[2];
+	UCHAR	addr4[DOT11DECRYPT_MAC_LEN];
+	UCHAR	qos[2];
+} DOT11DECRYPT_MAC_FRAME_ADDR4_QOS, *PDOT11DECRYPT_MAC_FRAME_ADDR4_QOS;
+
+#ifdef _MSC_VER		/* MS Visual C++ */
+#pragma pack(pop)
+#endif
+
+/******************************************************************************/
+
+#endif