1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
|
/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
Module Name:
wpa.h
Abstract:
Revision History:
Who When What
-------- ---------- ----------------------------------------------
Name Date Modification logs
*/
#ifndef __WPA_H__
#define __WPA_H__
/* EAPOL Key descripter frame format related length */
#define LEN_KEY_DESC_NONCE 32
#define LEN_KEY_DESC_IV 16
#define LEN_KEY_DESC_RSC 8
#define LEN_KEY_DESC_ID 8
#define LEN_KEY_DESC_REPLAY 8
#define LEN_KEY_DESC_MIC 16
/* The length is the EAPoL-Key frame except key data field. */
/* Please refer to 802.11i-2004 ,Figure 43u in p.78 */
#define LEN_EAPOL_KEY_MSG (sizeof(struct rt_key_descripter) - MAX_LEN_OF_RSNIE)
/* EAP Code Type. */
#define EAP_CODE_REQUEST 1
#define EAP_CODE_RESPONSE 2
#define EAP_CODE_SUCCESS 3
#define EAP_CODE_FAILURE 4
/* EAPOL frame Protocol Version */
#define EAPOL_VER 1
#define EAPOL_VER2 2
/* EAPOL-KEY Descriptor Type */
#define WPA1_KEY_DESC 0xfe
#define WPA2_KEY_DESC 0x02
/* Key Descriptor Version of Key Information */
#define DESC_TYPE_TKIP 1
#define DESC_TYPE_AES 2
#define LEN_MSG1_2WAY 0x7f
#define MAX_LEN_OF_EAP_HS 256
#define LEN_MASTER_KEY 32
/* EAPOL EK, MK */
#define LEN_EAP_EK 16
#define LEN_EAP_MICK 16
#define LEN_EAP_KEY ((LEN_EAP_EK)+(LEN_EAP_MICK))
/* TKIP key related */
#define LEN_PMKID 16
#define LEN_TKIP_EK 16
#define LEN_TKIP_RXMICK 8
#define LEN_TKIP_TXMICK 8
#define LEN_AES_EK 16
#define LEN_AES_KEY LEN_AES_EK
#define LEN_TKIP_KEY ((LEN_TKIP_EK)+(LEN_TKIP_RXMICK)+(LEN_TKIP_TXMICK))
#define TKIP_AP_TXMICK_OFFSET ((LEN_EAP_KEY)+(LEN_TKIP_EK))
#define TKIP_AP_RXMICK_OFFSET (TKIP_AP_TXMICK_OFFSET+LEN_TKIP_TXMICK)
#define TKIP_GTK_LENGTH ((LEN_TKIP_EK)+(LEN_TKIP_RXMICK)+(LEN_TKIP_TXMICK))
#define LEN_PTK ((LEN_EAP_KEY)+(LEN_TKIP_KEY))
#define MIN_LEN_OF_GTK 5
#define LEN_PMK 32
#define LEN_PMK_NAME 16
#define LEN_NONCE 32
/* RSN IE Length definition */
#define MAX_LEN_OF_RSNIE 255
#define MIN_LEN_OF_RSNIE 8
#define KEY_LIFETIME 3600
/*EAP Packet Type */
#define EAPPacket 0
#define EAPOLStart 1
#define EAPOLLogoff 2
#define EAPOLKey 3
#define EAPOLASFAlert 4
#define EAPTtypeMax 5
#define EAPOL_MSG_INVALID 0
#define EAPOL_PAIR_MSG_1 1
#define EAPOL_PAIR_MSG_2 2
#define EAPOL_PAIR_MSG_3 3
#define EAPOL_PAIR_MSG_4 4
#define EAPOL_GROUP_MSG_1 5
#define EAPOL_GROUP_MSG_2 6
#define PAIRWISEKEY 1
#define GROUPKEY 0
/* Retry timer counter initial value */
#define PEER_MSG1_RETRY_TIMER_CTR 0
#define PEER_MSG3_RETRY_TIMER_CTR 10
#define GROUP_MSG1_RETRY_TIMER_CTR 20
/*#ifdef CONFIG_AP_SUPPORT */
/* WPA mechanism retry timer interval */
#define PEER_MSG1_RETRY_EXEC_INTV 1000 /* 1 sec */
#define PEER_MSG3_RETRY_EXEC_INTV 3000 /* 3 sec */
#define GROUP_KEY_UPDATE_EXEC_INTV 1000 /* 1 sec */
#define PEER_GROUP_KEY_UPDATE_INIV 2000 /* 2 sec */
#define ENQUEUE_EAPOL_START_TIMER 200 /* 200 ms */
/* group rekey interval */
#define TIME_REKEY 0
#define PKT_REKEY 1
#define DISABLE_REKEY 2
#define MAX_REKEY 2
#define MAX_REKEY_INTER 0x3ffffff
/*#endif // CONFIG_AP_SUPPORT // */
#define GROUP_SUITE 0
#define PAIRWISE_SUITE 1
#define AKM_SUITE 2
#define PMKID_LIST 3
#define EAPOL_START_DISABLE 0
#define EAPOL_START_PSK 1
#define EAPOL_START_1X 2
#define MIX_CIPHER_WPA_TKIP_ON(x) (((x) & 0x08) != 0)
#define MIX_CIPHER_WPA_AES_ON(x) (((x) & 0x04) != 0)
#define MIX_CIPHER_WPA2_TKIP_ON(x) (((x) & 0x02) != 0)
#define MIX_CIPHER_WPA2_AES_ON(x) (((x) & 0x01) != 0)
#ifndef ROUND_UP
#define ROUND_UP(__x, __y) \
(((unsigned long)((__x)+((__y)-1))) & ((unsigned long)~((__y)-1)))
#endif
#define SET_u16_TO_ARRARY(_V, _LEN) \
{ \
_V[0] = (_LEN & 0xFF00) >> 8; \
_V[1] = (_LEN & 0xFF); \
}
#define INC_u16_TO_ARRARY(_V, _LEN) \
{ \
u16 var_len; \
\
var_len = (_V[0]<<8) | (_V[1]); \
var_len += _LEN; \
\
_V[0] = (var_len & 0xFF00) >> 8; \
_V[1] = (var_len & 0xFF); \
}
#define CONV_ARRARY_TO_u16(_V) ((_V[0]<<8) | (_V[1]))
#define ADD_ONE_To_64BIT_VAR(_V) \
{ \
u8 cnt = LEN_KEY_DESC_REPLAY; \
do \
{ \
cnt--; \
_V[cnt]++; \
if (cnt == 0) \
break; \
}while (_V[cnt] == 0); \
}
#define IS_WPA_CAPABILITY(a) (((a) >= Ndis802_11AuthModeWPA) && ((a) <= Ndis802_11AuthModeWPA1PSKWPA2PSK))
/* EAPOL Key Information definition within Key descriptor format */
struct PACKED rt_key_info {
u8 KeyMic:1;
u8 Secure:1;
u8 Error:1;
u8 Request:1;
u8 EKD_DL:1; /* EKD for AP; DL for STA */
u8 Rsvd:3;
u8 KeyDescVer:3;
u8 KeyType:1;
u8 KeyIndex:2;
u8 Install:1;
u8 KeyAck:1;
};
/* EAPOL Key descriptor format */
struct PACKED rt_key_descripter {
u8 Type;
struct rt_key_info KeyInfo;
u8 KeyLength[2];
u8 ReplayCounter[LEN_KEY_DESC_REPLAY];
u8 KeyNonce[LEN_KEY_DESC_NONCE];
u8 KeyIv[LEN_KEY_DESC_IV];
u8 KeyRsc[LEN_KEY_DESC_RSC];
u8 KeyId[LEN_KEY_DESC_ID];
u8 KeyMic[LEN_KEY_DESC_MIC];
u8 KeyDataLen[2];
u8 KeyData[MAX_LEN_OF_RSNIE];
};
struct PACKED rt_eapol_packet {
u8 ProVer;
u8 ProType;
u8 Body_Len[2];
struct rt_key_descripter KeyDesc;
};
/*802.11i D10 page 83 */
struct PACKED rt_gtk_encap {
u8 Kid:2;
u8 tx:1;
u8 rsv:5;
u8 rsv1;
u8 GTK[TKIP_GTK_LENGTH];
};
struct PACKED rt_kde_encap {
u8 Type;
u8 Len;
u8 OUI[3];
u8 DataType;
struct rt_gtk_encap GTKEncap;
};
/* For WPA1 */
struct PACKED rt_rsnie {
u8 oui[4];
u16 version;
u8 mcast[4];
u16 ucount;
struct PACKED {
u8 oui[4];
} ucast[1];
};
/* For WPA2 */
struct PACKED rt_rsnie2 {
u16 version;
u8 mcast[4];
u16 ucount;
struct PACKED {
u8 oui[4];
} ucast[1];
};
/* AKM Suite */
struct PACKED rt_rsnie_auth {
u16 acount;
struct PACKED {
u8 oui[4];
} auth[1];
};
typedef union PACKED _RSN_CAPABILITIES {
struct PACKED {
u16 PreAuth:1;
u16 No_Pairwise:1;
u16 PTKSA_R_Counter:2;
u16 GTKSA_R_Counter:2;
u16 Rsvd:10;
} field;
u16 word;
} RSN_CAPABILITIES, *PRSN_CAPABILITIES;
struct PACKED rt_eap_hdr {
u8 ProVer;
u8 ProType;
u8 Body_Len[2];
u8 code;
u8 identifier;
u8 length[2]; /* including code and identifier, followed by length-2 octets of data */
};
/* For supplicant state machine states. 802.11i Draft 4.1, p. 97 */
/* We simplified it */
typedef enum _WpaState {
SS_NOTUSE, /* 0 */
SS_START, /* 1 */
SS_WAIT_MSG_3, /* 2 */
SS_WAIT_GROUP, /* 3 */
SS_FINISH, /* 4 */
SS_KEYUPDATE, /* 5 */
} WPA_STATE;
/* */
/* The definition of the cipher combination */
/* */
/* bit3 bit2 bit1 bit0 */
/* +------------+------------+ */
/* | WPA | WPA2 | */
/* +------+-----+------+-----+ */
/* | TKIP | AES | TKIP | AES | */
/* | 0 | 1 | 1 | 0 | -> 0x06 */
/* | 0 | 1 | 1 | 1 | -> 0x07 */
/* | 1 | 0 | 0 | 1 | -> 0x09 */
/* | 1 | 0 | 1 | 1 | -> 0x0B */
/* | 1 | 1 | 0 | 1 | -> 0x0D */
/* | 1 | 1 | 1 | 0 | -> 0x0E */
/* | 1 | 1 | 1 | 1 | -> 0x0F */
/* +------+-----+------+-----+ */
/* */
typedef enum _WpaMixPairCipher {
MIX_CIPHER_NOTUSE = 0x00,
WPA_NONE_WPA2_TKIPAES = 0x03, /* WPA2-TKIPAES */
WPA_AES_WPA2_TKIP = 0x06,
WPA_AES_WPA2_TKIPAES = 0x07,
WPA_TKIP_WPA2_AES = 0x09,
WPA_TKIP_WPA2_TKIPAES = 0x0B,
WPA_TKIPAES_WPA2_NONE = 0x0C, /* WPA-TKIPAES */
WPA_TKIPAES_WPA2_AES = 0x0D,
WPA_TKIPAES_WPA2_TKIP = 0x0E,
WPA_TKIPAES_WPA2_TKIPAES = 0x0F,
} WPA_MIX_PAIR_CIPHER;
struct PACKED rt_rsn_ie_header {
u8 Eid;
u8 Length;
u16 Version; /* Little endian format */
};
/* Cipher suite selector types */
struct PACKED rt_cipher_suite_struct {
u8 Oui[3];
u8 Type;
};
/* Authentication and Key Management suite selector */
struct PACKED rt_akm_suite {
u8 Oui[3];
u8 Type;
};
/* RSN capability */
struct PACKED rt_rsn_capability {
u16 Rsv:10;
u16 GTKSAReplayCnt:2;
u16 PTKSAReplayCnt:2;
u16 NoPairwise:1;
u16 PreAuth:1;
};
/*========================================
The prototype is defined in cmm_wpa.c
========================================*/
BOOLEAN WpaMsgTypeSubst(u8 EAPType, int * MsgType);
void PRF(u8 * key,
int key_len,
u8 * prefix,
int prefix_len,
u8 * data, int data_len, u8 * output, int len);
int PasswordHash(char *password,
unsigned char *ssid, int ssidlength, unsigned char *output);
u8 *GetSuiteFromRSNIE(u8 *rsnie,
u32 rsnie_len, u8 type, u8 * count);
void WpaShowAllsuite(u8 *rsnie, u32 rsnie_len);
void RTMPInsertRSNIE(u8 *pFrameBuf,
unsigned long *pFrameLen,
u8 *rsnie_ptr,
u8 rsnie_len,
u8 *pmkid_ptr, u8 pmkid_len);
#endif
|
