summaryrefslogtreecommitdiff
path: root/libopie2/opienet/802_11_user.h
blob: ffdcb93a1841f875fc129fd44cd45acd2f8d5541 (plain)
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
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
#ifndef IEEE_802_11
#define IEEE_802_11

enum ieee_802_11_link_status_failure_reason {
	reserved0, Unspecified=1, Previous_not_valid,
	Sender_Quits_ESS_or_IBSS,
	Due_Inactivity, AP_Overload,
	Class_2_from_NonAuth,
	Class_3_from_NonAuth,
	Sender_Quits_BSS,
	Association_requester_not_authenticated,
	Reserved10
};


#define IEEE_802_11_LINK_STATUS_FAILURE_REASON_STRINGS \
{	\
        {reserved0,		0xff," Reserved reason "},\
        {Unspecified,		0xff," Unspecified Reason "},\
        {Previous_not_valid,	0xff," Previous Authentication no longer valid "},\
        {Sender_Quits_ESS_or_IBSS,0xff," Deauthenticated because sending station is leaving (has left) IBSS or ESS "},\
        {Due_Inactivity,	0xff," Disassociated due to inactivity "},\
        {AP_Overload,		0xff," Disassociated because AP is unable to handle all currently associated stations "},\
        {Class_2_from_NonAuth,	0xff," Class 2 frame received from non-Authenticated station"},\
        {Class_3_from_NonAuth,	0xff," Class 3 frame received from non­Associated station"},\
        {Sender_Quits_BSS,	0xff," Disassociated because sending station is leaving (has left) BSS"},\
        {Association_requester_not_authenticated,0xff," Station requesting (Re)Association is not Authenticated with responding station"},\
        {Reserved10,		0xff," Reserved"},\
	{0,0,NULL}\
};



struct ieee_802_11_header {
	u_int16_t	frame_control;// needs to be subtyped
	u_int16_t	duration;
	u_int8_t	mac1[6];
	u_int8_t	mac2[6];
	u_int8_t	mac3[6];
	u_int16_t	SeqCtl;
	u_int8_t	mac4[6];
//	u_int16_t	gapLen;
//	u_int8_t	gap[8];
};


struct ieee_802_3_header {

	u_int16_t	status;
	u_int16_t	payload_length;
	u_int8_t	dst_mac[6];
	u_int8_t	src_mac[6];

};

#define P80211_OUI_LEN 3

struct ieee_802_11_snap_header {

	u_int8_t    dsap;   /* always 0xAA */
	u_int8_t    ssap;   /* always 0xAA */
	u_int8_t    ctrl;   /* always 0x03 */
	u_int8_t    oui[P80211_OUI_LEN];    /* organizational universal id */

} __attribute__ ((packed));

#define P80211_LLC_OUI_LEN 3

struct ieee_802_11_802_1H_header {

	u_int8_t    dsap;
	u_int8_t    ssap;   /* always 0xAA */
	u_int8_t    ctrl;   /* always 0x03 */
	u_int8_t    oui[P80211_OUI_LEN];    /* organizational universal id */
	u_int16_t    unknown1;      /* packet type ID fields */
	u_int16_t    unknown2;		/* here is something like length in some cases */
} __attribute__ ((packed));

struct ieee_802_11_802_2_header {

	u_int8_t    dsap;
	u_int8_t    ssap;   /* always 0xAA */
	u_int8_t    ctrl;   /* always 0x03 */
	u_int8_t    oui[P80211_OUI_LEN];    /* organizational universal id */
	u_int16_t   type;      /* packet type ID field */

} __attribute__ ((packed));



// following is incoplete and may be incorrect and need reorganization

#define ieee_802_11_frame_type_Management	0x00
#define ieee_802_11_frame_type_Control		0x01
#define ieee_802_11_frame_type_Data		0x10
#define ieee_802_11_frame_type_Reserved		0x11

#define ieee_802_11_frame_subtype_Association_Req	0x0 // Association Request
#define ieee_802_11_frame_subtype_Association_Resp	0x1 // Association Response
#define ieee_802_11_frame_subtype_Reassociation_Req	0x2 // Reassociation Request
#define ieee_802_11_frame_subtype_Reassociation_Resp	0x3 // Reassociation Response
#define ieee_802_11_frame_subtype_Probe_Req		0x4 // Probe Request
#define ieee_802_11_frame_subtype_Probe_Resp		0x5 // Probe Response
#define ieee_802_11_frame_subtype_Beacon 		0x8 // Beacon
#define ieee_802_11_frame_subtype_ATIM 			0x9 // ATIM
#define ieee_802_11_frame_subtype_Disassociation 	0xA // Disassociation
#define ieee_802_11_frame_subtype_Authentication 	0xB // Authentication
#define ieee_802_11_frame_subtype_Deauthentication 	0xC // Deauthentication
#define ieee_802_11_frame_subtype_PS_Poll 		0xA // PS-Poll
#define ieee_802_11_frame_subtype_RTS 			0xB // RTS
#define ieee_802_11_frame_subtype_CTS 			0xC // CTS
#define ieee_802_11_frame_subtype_ACK 			0xD // ACK
#define ieee_802_11_frame_subtype_CFEnd 		0xE // CF-End
#define ieee_802_11_frame_subtype_CFEnd_CFAck 		0xF // CF-End + CF-Ack
#define ieee_802_11_frame_subtype_Data 			0x0 // Data
#define ieee_802_11_frame_subtype_Data_CFAck 		0x1 // Data + CF-Ack
#define ieee_802_11_frame_subtype_Data_CF_Poll 		0x2 // Data + CF-Poll
#define ieee_802_11_frame_subtype_Data_CF_AckCF_Poll 	0x3 // Data + CF-Ack + CF-Poll
#define ieee_802_11_frame_subtype_NullFunction 		0x4 // Null Function (no data)
#define ieee_802_11_frame_subtype_CF_Ack 		0x5 // CF-Ack (no data)
#define ieee_802_11_frame_subtype_CF_Poll 		0x6 // CF-Poll (no data)
#define ieee_802_11_frame_subtype_CF_AckCF_Poll 	0x7 // CF-Ack + CF-Poll (no data)


#define ieee_802_11_frame_subtype_strings {\
	{ ieee_802_11_frame_subtype_Association_Req,	0xF,"f  Association Request"},\
	{ ieee_802_11_frame_subtype_Association_Resp,	0xF,"1  Association Response"},\
	{ ieee_802_11_frame_subtype_Reassociation_Req,	0xF,"2  Reassociation Request"},\
	{ ieee_802_11_frame_subtype_Reassociation_Resp,	0xF,"3  Reassociation Response"},\
	{ ieee_802_11_frame_subtype_Probe_Req	,	0xF,"4  Probe Request"},\
	{ ieee_802_11_frame_subtype_Probe_Resp	,	0xF,"5  Probe Response"},\
	{ ieee_802_11_frame_subtype_Beacon 	,	0xF,"8  Beacon"},\
	{ ieee_802_11_frame_subtype_ATIM 	,	0xF,"9  ATIM"},\
	{ ieee_802_11_frame_subtype_Disassociation,	0xF,"A  Disassociation"},\
	{ ieee_802_11_frame_subtype_Authentication,	0xF,"B  Authentication"},\
	{ ieee_802_11_frame_subtype_Deauthentication,	0xF,"C  Deauthentication"},\
	{ ieee_802_11_frame_subtype_PS_Poll 	,	0xF,"A  PS-Poll"},\
	{ ieee_802_11_frame_subtype_RTS 	,	0xF,"B  RTS"},\
	{ ieee_802_11_frame_subtype_CTS 	,	0xF,"C  CTS"},\
	{ ieee_802_11_frame_subtype_ACK 	,	0xF,"D  ACK"},\
	{ ieee_802_11_frame_subtype_CFEnd	,	0xF,"E  CF-End"},\
	{ ieee_802_11_frame_subtype_CFEnd_CFAck ,	0xF,"F  CF-End + CF-Ack"},\
	{ ieee_802_11_frame_subtype_Data 	,	0xF,"0  Data"},\
	{ ieee_802_11_frame_subtype_Data_CFAck 	,	0xF,"1  Data + CF-Ack"},\
	{ ieee_802_11_frame_subtype_Data_CFPoll ,	0xF,"2  Data + CF-Poll"},\
	{ ieee_802_11_frame_subtype_Data_CFAck_CFPoll,	0xF,"3  Data + CF-Ack + CF-Poll"},\
	{ ieee_802_11_frame_subtype_Null_Function ,	0xF,"4  Null Function (no data)"},\
	{ ieee_802_11_frame_subtype_CFAck ,		0xF,"5  CF-Ack (no data)"},\
	{ ieee_802_11_frame_subtype_CFPoll ,		0xF,"6  CF-Poll (no data)"},\
	{ ieee_802_11_frame_subtype_CFAck_CFPoll,	0xF,"y7  CF-Ack + CF-Poll (no data)"},\
	{ 0,0,NULL}\
}
struct ieee_802_11_frame_subtype_class {
	u_int8_t	subtype;
	u_int8_t	mask;
	u_int8_t	klass;
	u_int8_t	type;
};
#define ieee_802_11_frame_subtype_classes {\
	{ ieee_802_11_frame_subtype_Association_Req,	0xF,2,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Association_Resp,	0xF,2,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Reassociation_Req,	0xF,2,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Reassociation_Resp,	0xF,2,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Probe_Req	,	0xF,1,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Probe_Resp	,	0xF,1,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Beacon 	,	0xF,1,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_ATIM 	,	0xF,1,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Disassociation,	0xF,2,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Authentication,	0xF,1,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_Deauthentication,	0xF,3,ieee_802_11_frame_type_Management},\
	{ ieee_802_11_frame_subtype_PS-Poll 	,	0xF,3,ieee_802_11_frame_type_Control},\
	{ ieee_802_11_frame_subtype_RTS 	,	0xF,1,ieee_802_11_frame_type_Control},\
	{ ieee_802_11_frame_subtype_CTS 	,	0xF,1,ieee_802_11_frame_type_Control},\
	{ ieee_802_11_frame_subtype_ACK 	,	0xF,1,ieee_802_11_frame_type_Control},\
	{ ieee_802_11_frame_subtype_CFEnd	,	0xF,1,ieee_802_11_frame_type_Control},\
	{ ieee_802_11_frame_subtype_CFEnd_CFAck ,	0xF,1,ieee_802_11_frame_type_Control},\
	{ ieee_802_11_frame_subtype_Data 	,	0xF,3,ieee_802_11_frame_type_Data},\
	{ ieee_802_11_frame_subtype_Data_CFAck 	,	0xF,3,ieee_802_11_frame_type_Data},\
	{ ieee_802_11_frame_subtype_Data_CF_Poll 	0xF,3,ieee_802_11_frame_type_Data},\
	{ ieee_802_11_frame_subtype_Data_CF_AckCF_Poll,	0xF,3,ieee_802_11_frame_type_Data},\
	{ ieee_802_11_frame_subtype_NullFunction 	0xF,1,ieee_802_11_frame_type_Data},\
	{ ieee_802_11_frame_subtype_CF_Ack ,		0xF,1,ieee_802_11_frame_type_Data},\
	{ ieee_802_11_frame_subtype_CF_Poll ,		0xF,1,ieee_802_11_frame_type_Data},\
	{ ieee_802_11_frame_subtype_CF_AckCF_Poll,	0xF,1,ieee_802_11_frame_type_Data},\
	{ 0,0,NULL}\
}

#define IEEE802_11_FC_LEN	2

#define T_MGMT 0x0  /* management */
#define T_CTRL 0x1  /* control */
#define T_DATA 0x2 /* data */
#define T_RESV 0x3  /* reserved */

#define ST_ASSOC_REQUEST   	0x0
#define ST_ASSOC_RESPONSE 	0x1
#define ST_REASSOC_REQUEST   	0x2
#define ST_REASSOC_RESPONSE  	0x3
#define ST_PROBE_REQUEST   	0x4
#define ST_PROBE_RESPONSE   	0x5
/* RESERVED 			0x6  */
/* RESERVED 			0x7  */
#define ST_BEACON   		0x8
#define ST_ATIM			0x9
#define ST_DISASSOC		0xA
#define ST_AUTH			0xB
#define ST_DEAUTH		0xC
/* RESERVED 			0xD  */
/* RESERVED 			0xE  */
/* RESERVED 			0xF  */


#define CTRL_PS_POLL	0xA
#define CTRL_RTS	0xB
#define CTRL_CTS	0xC
#define CTRL_ACK	0xD
#define CTRL_CF_END	0xE
#define CTRL_END_ACK	0xF

/*
 * Bits in the frame control field.
 */
#define FC_VERSION(fc)		((fc) & 0x3)
#define FC_TYPE(fc)		(((fc) >> 2) & 0x3)
#define FC_SUBTYPE(fc)		(((fc) >> 4) & 0xF)
#define FC_TO_DS(fc)		((fc) & 0x0100)
#define FC_FROM_DS(fc)		((fc) & 0x0200)
#define FC_MORE_FLAG(fc)	((fc) & 0x0400)
#define FC_RETRY(fc)		((fc) & 0x0800)
#define FC_POWER_MGMT(fc)	((fc) & 0x1000)
#define FC_MORE_DATA(fc)	((fc) & 0x2000)
#define FC_WEP(fc)		((fc) & 0x4000)
#define FC_ORDER(fc)		((fc) & 0x8000)


struct ieee_802_11_mgmt_header {
  u_int16_t fc;
  u_int16_t duration;
  u_int8_t  da[6];
  u_int8_t  sa[6];
  u_int8_t  bssid[6];
  u_int16_t seq_ctrl;
};


struct ieee_802_11_data_header {
	u_int16_t	frame_control;
	u_int16_t	duration;
	u_int8_t	mac1[6];
	u_int8_t	mac2[6];
	u_int8_t	mac3[6];
	u_int16_t	SeqCtl;
	u_int8_t	mac4[6];
//	u_int16_t	gapLen;
//	u_int8_t	gap[8];
};

#define CAPABILITY_ESS(cap)     ((cap) & 0x0001)
#define CAPABILITY_IBSS(cap)    ((cap) & 0x0002)
#define CAPABILITY_CFP(cap)     ((cap) & 0x0004)
#define CAPABILITY_CFP_REQ(cap) ((cap) & 0x0008)
#define CAPABILITY_PRIVACY(cap) ((cap) & 0x0010)

struct ssid_t {
  u_int8_t	element_id;
  u_int8_t	length;
  u_char		ssid[33];  /* 32 + 1 for null */
};


struct rates_t {
  u_int8_t	element_id;
  u_int8_t	length;
  u_int8_t	rate[8];
};


struct challenge_t {
  u_int8_t	element_id;
  u_int8_t	length;
  u_int8_t	text[254]; /* 1-253 + 1 for null */
};


struct fh_t {
  u_int8_t	element_id;
  u_int8_t	length;
  u_int16_t	dwell_time;
  u_int8_t	hop_set;
  u_int8_t 	hop_pattern;
  u_int8_t	hop_index;
};


struct ds_t {
  u_int8_t	element_id;
  u_int8_t	length;
  u_int8_t	channel;
};


struct cf_t {
  u_int8_t	element_id;
  u_int8_t	length;
  u_int8_t	count;
  u_int8_t	period;
  u_int16_t	max_duration;
  u_int16_t	dur_remaing;
};


struct tim_t {
  u_int8_t	element_id;
  u_int8_t	length;
  u_int8_t	count;
  u_int8_t	period;
  u_int8_t	bitmap_control;
  u_int8_t	bitmap[251];
};


struct ibss_t {
  u_int8_t	element_id;
  u_int8_t	length;
  u_int16_t	atim_window;
};


#define E_SSID      0
#define E_RATES     1
#define E_FH        2
#define E_DS        3
#define E_CF        4
#define E_TIM       5
#define E_IBSS      6
#define E_CHALLENGE 16
#define E_CISCO     133


struct ieee_802_11_mgmt_body {
  u_int8_t  timestamp[8];
  u_int16_t beacon_interval;
//  u_int16_t 	listen_interval;
//  u_int16_t 	status_code;
//  u_int16_t 	aid;
//  u_char		ap[6];
//  u_int16_t	reason_code;
//  u_int16_t	auth_alg;
//  u_int16_t	auth_trans_seq_num;
//  struct challenge_t  challenge;
  u_int16_t capability_info;
//  struct ssid_t	ssid;
//  struct rates_t 	rates;
//  struct ds_t	ds;
//  struct cf_t	cf;
//  struct fh_t	fh;
//  struct tim_t	tim;
};


struct ieee_802_11_data_body {
//FIXME
};

struct ctrl_rts_t {
  u_int16_t	fc;
  u_int16_t	duration;
  u_int8_t	ra[6];
  u_int8_t	ta[6];
  u_int8_t	fcs[4];
};

#define CTRL_RTS_LEN	(2+2+6+6+4)

struct ctrl_cts_t {
  u_int16_t	fc;
  u_int16_t	duration;
  u_int8_t	ra[6];
  u_int8_t	fcs[4];
};

#define CTRL_CTS_LEN	(2+2+6+4)

struct ctrl_ack_t {
  u_int16_t	fc;
  u_int16_t	duration;
  u_int8_t	ra[6];
  u_int8_t	fcs[4];
};

#define CTRL_ACK_LEN	(2+2+6+4)

struct ctrl_ps_poll_t {
  u_int16_t	fc;
  u_int16_t	aid;
  u_int8_t	bssid[6];
  u_int8_t	ta[6];
  u_int8_t	fcs[4];
};

#define CTRL_PS_POLL_LEN	(2+2+6+6+4)

struct ctrl_end_t {
  u_int16_t	fc;
  u_int16_t	duration;
  u_int8_t	ra[6];
  u_int8_t	bssid[6];
  u_int8_t	fcs[4];
};

#define CTRL_END_LEN	(2+2+6+6+4)

struct ctrl_end_ack_t {
  u_int16_t	fc;
  u_int16_t	duration;
  u_int8_t	ra[6];
  u_int8_t	bssid[6];
  u_int8_t	fcs[4];
};

#define CTRL_END_ACK_LEN	(2+2+6+6+4)

#define IV_IV(iv)	((iv) & 0xFFFFFF)
#define IV_PAD(iv)	(((iv) >> 24) & 0x3F)
#define IV_KEYID(iv)	(((iv) >> 30) & 0x03)

#endif