Wireshark  2.9.0-477-g68ec514b
The Wireshark network protocol analyzer
dot11decrypt_int.h
1 /* airpcap_int.h
2  *
3  * Copyright (c) 2006 CACE Technologies, Davis (California)
4  * All rights reserved.
5  *
6  * SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
7  */
8 
9 #ifndef _DOT11DECRYPT_INT_H
10 #define _DOT11DECRYPT_INT_H
11 
12 /****************************************************************************/
13 /* File includes */
14 
15 #include "dot11decrypt_interop.h"
16 #include "dot11decrypt_system.h"
17 
18 /****************************************************************************/
19 
20 /****************************************************************************/
21 /* Definitions */
22 
23 /* IEEE 802.11 packet type values */
24 #define DOT11DECRYPT_TYPE_MANAGEMENT 0
25 #define DOT11DECRYPT_TYPE_CONTROL 1
26 #define DOT11DECRYPT_TYPE_DATA 2
27 
28 /* IEEE 802.11 packet subtype values */
29 #define DOT11DECRYPT_SUBTYPE_ASSOC_REQ 0
30 #define DOT11DECRYPT_SUBTYPE_ASSOC_RESP 1
31 #define DOT11DECRYPT_SUBTYPE_REASSOC_REQ 2
32 #define DOT11DECRYPT_SUBTYPE_REASSOC_RESP 3
33 #define DOT11DECRYPT_SUBTYPE_PROBE_REQ 4
34 #define DOT11DECRYPT_SUBTYPE_PROBE_RESP 5
35 #define DOT11DECRYPT_SUBTYPE_MEASUREMENT_PILOT 6
36 #define DOT11DECRYPT_SUBTYPE_BEACON 8
37 #define DOT11DECRYPT_SUBTYPE_ATIM 9
38 #define DOT11DECRYPT_SUBTYPE_DISASS 10
39 #define DOT11DECRYPT_SUBTYPE_AUTHENTICATION 11
40 #define DOT11DECRYPT_SUBTYPE_DEAUTHENTICATION 12
41 #define DOT11DECRYPT_SUBTYPE_ACTION 13
42 #define DOT11DECRYPT_SUBTYPE_ACTION_NO_ACK 14
43 
44 /* Min length of encrypted data (TKIP=21bytes, CCMP=17bytes) */
45 #define DOT11DECRYPT_CRYPTED_DATA_MINLEN 17
46 
47 #define DOT11DECRYPT_TA_OFFSET 10
48 
49 /* */
50 /****************************************************************************/
51 
52 /****************************************************************************/
53 /* Macro definitions */
54 
58 #define DOT11DECRYPT_TYPE(FrameControl_0) (UINT8)((FrameControl_0 >> 2) & 0x3)
59 #define DOT11DECRYPT_SUBTYPE(FrameControl_0) (UINT8)((FrameControl_0 >> 4) & 0xF)
60 #define DOT11DECRYPT_DS_BITS(FrameControl_1) (UINT8)(FrameControl_1 & 0x3)
61 #define DOT11DECRYPT_TO_DS(FrameControl_1) (UINT8)(FrameControl_1 & 0x1)
62 #define DOT11DECRYPT_FROM_DS(FrameControl_1) (UINT8)((FrameControl_1 >> 1) & 0x1)
63 #define DOT11DECRYPT_WEP(FrameControl_1) (UINT8)((FrameControl_1 >> 6) & 0x1)
64 
68 #define DOT11DECRYPT_EXTIV(KeyID) ((KeyID >> 5) & 0x1)
69 
70 #define DOT11DECRYPT_KEY_INDEX(KeyID) ((KeyID >> 6) & 0x3)
72 /* Macros to get various bits of an EAPOL frame */
73 #define DOT11DECRYPT_EAP_KEY_DESCR_VER(KeyInfo_1) ((UCHAR)(KeyInfo_1 & 0x3))
74 #define DOT11DECRYPT_EAP_KEY(KeyInfo_1) ((KeyInfo_1 >> 3) & 0x1)
75 #define DOT11DECRYPT_EAP_INST(KeyInfo_1) ((KeyInfo_1 >> 6) & 0x1)
76 #define DOT11DECRYPT_EAP_ACK(KeyInfo_1) ((KeyInfo_1 >> 7) & 0x1)
77 #define DOT11DECRYPT_EAP_MIC(KeyInfo_0) (KeyInfo_0 & 0x1)
78 #define DOT11DECRYPT_EAP_SEC(KeyInfo_0) ((KeyInfo_0 >> 1) & 0x1)
79 
80 /****************************************************************************/
81 
82 /****************************************************************************/
83 /* Structure definitions */
84 
85 /*
86  * XXX - According to the thread at
87  * http://www.wireshark.org/lists/wireshark-dev/200612/msg00384.html we
88  * shouldn't have to worry about packing our structs, since the largest
89  * elements are 8 bits wide.
90  */
91 #ifdef _MSC_VER /* MS Visual C++ */
92 #pragma pack(push)
93 #pragma pack(1)
94 #endif
95 
96 /* Definition of IEEE 802.11 frame (without the address 4) */
97 typedef struct _DOT11DECRYPT_MAC_FRAME {
98  UCHAR fc[2];
99  UCHAR dur[2];
100  UCHAR addr1[DOT11DECRYPT_MAC_LEN];
101  UCHAR addr2[DOT11DECRYPT_MAC_LEN];
102  UCHAR addr3[DOT11DECRYPT_MAC_LEN];
103  UCHAR seq[2];
105 
106 /* Definition of IEEE 802.11 frame (with the address 4) */
108  UCHAR fc[2];
109  UCHAR dur[2];
110  UCHAR addr1[DOT11DECRYPT_MAC_LEN];
111  UCHAR addr2[DOT11DECRYPT_MAC_LEN];
112  UCHAR addr3[DOT11DECRYPT_MAC_LEN];
113  UCHAR seq[2];
114  UCHAR addr4[DOT11DECRYPT_MAC_LEN];
116 
117 /* Definition of IEEE 802.11 frame (without the address 4, with QOS) */
119  UCHAR fc[2];
120  UCHAR dur[2];
121  UCHAR addr1[DOT11DECRYPT_MAC_LEN];
122  UCHAR addr2[DOT11DECRYPT_MAC_LEN];
123  UCHAR addr3[DOT11DECRYPT_MAC_LEN];
124  UCHAR seq[2];
125  UCHAR qos[2];
127 
128 /* Definition of IEEE 802.11 frame (with the address 4 and QOS) */
130  UCHAR fc[2];
131  UCHAR dur[2];
132  UCHAR addr1[DOT11DECRYPT_MAC_LEN];
133  UCHAR addr2[DOT11DECRYPT_MAC_LEN];
134  UCHAR addr3[DOT11DECRYPT_MAC_LEN];
135  UCHAR seq[2];
136  UCHAR addr4[DOT11DECRYPT_MAC_LEN];
137  UCHAR qos[2];
139 
140 #ifdef _MSC_VER /* MS Visual C++ */
141 #pragma pack(pop)
142 #endif
143 
144 /******************************************************************************/
145 
146 #endif
Definition: dot11decrypt_int.h:118
Definition: dot11decrypt_int.h:107
Definition: dot11decrypt_int.h:129
Definition: dot11decrypt_int.h:97