forked from secdev/scapy
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathbluetooth.uts
367 lines (301 loc) · 14.6 KB
/
bluetooth.uts
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
% Scapy Bluetooth layer tests
+ Bluetooth tests
= HCI layers
# a huge packet with all classes in it!
pkt = HCI_ACL_Hdr()/HCI_Cmd_Complete_Read_BD_Addr()/HCI_Cmd_Connect_Accept_Timeout()/HCI_Cmd_Disconnect()/HCI_Cmd_LE_Connection_Update()/HCI_Cmd_LE_Create_Connection()/HCI_Cmd_LE_Create_Connection_Cancel()/HCI_Cmd_LE_Host_Supported()/HCI_Cmd_LE_Long_Term_Key_Request_Negative_Reply()/HCI_Cmd_LE_Long_Term_Key_Request_Reply()/HCI_Cmd_LE_Read_Buffer_Size()/HCI_Cmd_LE_Set_Advertise_Enable()/HCI_Cmd_LE_Set_Advertising_Data()/HCI_Cmd_LE_Set_Advertising_Parameters()/HCI_Cmd_LE_Set_Random_Address()/HCI_Cmd_LE_Set_Scan_Enable()/HCI_Cmd_LE_Set_Scan_Parameters()/HCI_Cmd_LE_Start_Encryption_Request()/HCI_Cmd_Read_BD_Addr()/HCI_Cmd_Reset()/HCI_Cmd_Set_Event_Filter()/HCI_Cmd_Set_Event_Mask()/HCI_Command_Hdr()/HCI_Event_Command_Complete()/HCI_Event_Command_Status()/HCI_Event_Disconnection_Complete()/HCI_Event_Encryption_Change()/HCI_Event_Hdr()/HCI_Event_LE_Meta()/HCI_Event_Number_Of_Completed_Packets()/HCI_Hdr()/HCI_LE_Meta_Advertising_Reports()/HCI_LE_Meta_Connection_Complete()/HCI_LE_Meta_Connection_Update_Complete()/HCI_LE_Meta_Long_Term_Key_Request()
assert HCI_ACL_Hdr in pkt.layers()
assert HCI_Cmd_Complete_Read_BD_Addr in pkt.layers()
assert HCI_Cmd_Connect_Accept_Timeout in pkt.layers()
assert HCI_Cmd_Disconnect in pkt.layers()
assert HCI_Cmd_LE_Connection_Update in pkt.layers()
assert HCI_Cmd_LE_Create_Connection in pkt.layers()
assert HCI_Cmd_LE_Create_Connection_Cancel in pkt.layers()
assert HCI_Cmd_LE_Host_Supported in pkt.layers()
assert HCI_Cmd_LE_Long_Term_Key_Request_Negative_Reply in pkt.layers()
assert HCI_Cmd_LE_Long_Term_Key_Request_Reply in pkt.layers()
assert HCI_Cmd_LE_Read_Buffer_Size in pkt.layers()
assert HCI_Cmd_LE_Set_Advertise_Enable in pkt.layers()
assert HCI_Cmd_LE_Set_Advertising_Data in pkt.layers()
assert HCI_Cmd_LE_Set_Advertising_Parameters in pkt.layers()
assert HCI_Cmd_LE_Set_Random_Address in pkt.layers()
assert HCI_Cmd_LE_Set_Scan_Enable in pkt.layers()
assert HCI_Cmd_LE_Set_Scan_Parameters in pkt.layers()
assert HCI_Cmd_LE_Start_Encryption_Request in pkt.layers()
assert HCI_Cmd_Read_BD_Addr in pkt.layers()
assert HCI_Cmd_Reset in pkt.layers()
assert HCI_Cmd_Set_Event_Filter in pkt.layers()
assert HCI_Cmd_Set_Event_Mask in pkt.layers()
assert HCI_Command_Hdr in pkt.layers()
assert HCI_Event_Command_Complete in pkt.layers()
assert HCI_Event_Command_Status in pkt.layers()
assert HCI_Event_Disconnection_Complete in pkt.layers()
assert HCI_Event_Encryption_Change in pkt.layers()
assert HCI_Event_Hdr in pkt.layers()
assert HCI_Event_LE_Meta in pkt.layers()
assert HCI_Event_Number_Of_Completed_Packets in pkt.layers()
assert HCI_Hdr in pkt.layers()
assert HCI_LE_Meta_Advertising_Reports in pkt.layers()
assert HCI_LE_Meta_Connection_Complete in pkt.layers()
assert HCI_LE_Meta_Connection_Update_Complete in pkt.layers()
assert HCI_LE_Meta_Long_Term_Key_Request in pkt.layers()
+ Bluetooth Transport Layers
= Test HCI_PHDR_Hdr
pkt = HCI_PHDR_Hdr()/HCI_Hdr()/HCI_ACL_Hdr()/L2CAP_Hdr()/L2CAP_CmdHdr()/L2CAP_InfoReq()
assert raw(pkt) == b'\x00\x00\x00\x00\x02\x00\x00\n\x00\x06\x00\x05\x00\n\x00\x02\x00\x00\x00'
pkt = HCI_PHDR_Hdr(raw(pkt))
assert HCI_Hdr in pkt
assert L2CAP_InfoReq in pkt
+ HCI Commands
= LE Create Connection
# Request data
cmd = HCI_Hdr(hex_bytes("010d2019600060000001123456677890001800280000002a0000000000"))
assert(HCI_Cmd_LE_Create_Connection in cmd)
assert(cmd[HCI_Cmd_LE_Create_Connection].paddr == '90:78:67:56:34:12')
assert(cmd[HCI_Cmd_LE_Create_Connection].patype == 1)
# Response data
pending = HCI_Hdr(hex_bytes("040f0400020d20"))
assert(pending.answers(cmd))
complete = HCI_Hdr(hex_bytes("043e1301020000000112345667789000000000000000"))
assert(HCI_LE_Meta_Connection_Complete in complete)
assert(complete[HCI_LE_Meta_Connection_Complete].paddr == '90:78:67:56:34:12')
assert(complete.answers(cmd))
# Invalid combinations
assert(not cmd.answers(cmd))
assert(not pending.answers(pending))
assert(not complete.answers(complete))
assert(not pending.answers(complete))
assert(not complete.answers(pending))
= LE Create Connection Cancel
# Craft a request...
expected_cmd_raw_data = hex_bytes("010e2000")
cmd = HCI_Hdr() / HCI_Command_Hdr() / HCI_Cmd_LE_Create_Connection_Cancel()
assert(expected_cmd_raw_data == raw(cmd))
assert(raw(HCI_Hdr(expected_cmd_raw_data)) == expected_cmd_raw_data)
other_raw_data = hex_bytes("01060403341213")
other_cmd = HCI_Hdr(other_raw_data)
# Craft a response...
for p in (
HCI_Event_Command_Complete(opcode=0x200e),
HCI_Event_Command_Status(opcode=0x200e),
):
res = HCI_Hdr() / HCI_Event_Hdr() / p
# For debugging
res
# Check that the response packet thinks it is an answer to the request
assert(res.answers(cmd))
# Check that it self isn't a match
assert(not res.answers(res))
# Check that another request wouldn't match
assert(not res.answers(other_cmd))
"OK!"
= Disconnect
expected_cmd_raw_data = hex_bytes("01060403341213")
cmd_raw_data = raw(HCI_Hdr() / HCI_Command_Hdr() / HCI_Cmd_Disconnect(handle=0x1234))
assert(expected_cmd_raw_data == cmd_raw_data)
= LE Connection Update Command
expected_cmd_raw_data = hex_bytes("0113200e47000a00140001003c000100ffff")
cmd_raw_data = raw(
HCI_Hdr() / HCI_Command_Hdr() / HCI_Cmd_LE_Connection_Update(
handle=0x47, min_interval=10, max_interval=20, latency=1, timeout=60,
min_ce=1, max_ce=0xffff))
assert(expected_cmd_raw_data == cmd_raw_data)
+ HCI Events
= LE Connection Update Event
evt_raw_data = hex_bytes("043e0a03004800140001003c00")
evt_pkt = HCI_Hdr(evt_raw_data)
assert(evt_pkt[HCI_LE_Meta_Connection_Update_Complete].handle == 0x48)
assert(evt_pkt[HCI_LE_Meta_Connection_Update_Complete].interval == 20)
assert(evt_pkt[HCI_LE_Meta_Connection_Update_Complete].latency == 1)
assert(evt_pkt[HCI_LE_Meta_Connection_Update_Complete].timeout == 60)
+ Bluetooth LE Advertising / Scan Response Data Parsing
= Parse EIR_Flags, EIR_CompleteList16BitServiceUUIDs, EIR_CompleteLocalName and EIR_TX_Power_Level
ad_report_raw_data = \
hex_bytes("043e2b020100016522c00181781f0201020303d9fe1409" \
"506562626c652054696d65204c452037314536020a0cde")
scapy_packet = HCI_Hdr(ad_report_raw_data)
assert(scapy_packet[EIR_Flags].flags == 0x02)
assert(scapy_packet[EIR_CompleteList16BitServiceUUIDs].svc_uuids == [0xfed9])
assert(scapy_packet[EIR_CompleteLocalName].local_name == b'Pebble Time LE 71E6')
assert(scapy_packet[EIR_TX_Power_Level].level == 12)
= Parse EIR_Manufacturer_Specific_Data
scan_resp_raw_data = \
hex_bytes("043e2302010401be5e0eb9f04f1716ff5401005f423331" \
"3134374432343631fc00030c0000de")
scapy_packet = HCI_Hdr(scan_resp_raw_data)
assert(raw(scapy_packet[EIR_Manufacturer_Specific_Data].payload) == b'\x00_B31147D2461\xfc\x00\x03\x0c\x00\x00')
assert(scapy_packet[EIR_Manufacturer_Specific_Data].company_id == 0x154)
= Parse EIR_Manufacturer_Specific_Data with magic
class ScapyManufacturerPacket(Packet):
magic = b'SCAPY!'
fields_desc = [
StrFixedLenField("header", magic, len(magic)),
ShortField("x", None),
]
class ScapyManufacturerPacket2(Packet):
magic = b'!SCAPY'
fields_desc = [
StrFixedLenField("header", magic, len(magic)),
ShortField("y", None),
]
@classmethod
def magic_check(cls, payload):
return payload.startswith(cls.magic)
EIR_Manufacturer_Specific_Data.register_magic_payload(
ScapyManufacturerPacket, lambda p: p.startswith(ScapyManufacturerPacket.magic))
EIR_Manufacturer_Specific_Data.register_magic_payload(ScapyManufacturerPacket2)
# Test decode
p = EIR_Hdr(b'\x0b\xff\xff\xffSCAPY!\xab\x12')
p.show()
assert p[EIR_Manufacturer_Specific_Data].company_id == 0xffff
assert p[ScapyManufacturerPacket].x == 0xab12
p = EIR_Hdr(b'\x0b\xff\xff\xff!SCAPY\x12\x34')
p.show()
assert p[EIR_Manufacturer_Specific_Data].company_id == 0xffff
assert p[ScapyManufacturerPacket2].y == 0x1234
# Test encode
p = EIR_Hdr()/EIR_Manufacturer_Specific_Data(company_id=0xffff)/ScapyManufacturerPacket(x=0x5678)
assert raw(p) == b'\x0b\xff\xff\xffSCAPY!\x56\x78'
# Test bad setup
try:
EIR_Manufacturer_Specific_Data.register_magic_payload(conf.raw_layer)
except TypeError:
pass
else:
assert False, "expected exception"
= Parse EIR_ServiceData16BitUUID
d = hex_bytes("043e1902010001abcdef7da97f0d020102030350fe051650fee6c2ac")
p = HCI_Hdr(d)
p.show()
assert p[EIR_CompleteList16BitServiceUUIDs].svc_uuids == [0xfe50]
assert p[EIR_ServiceData16BitUUID].svc_uuid == 0xfe50
assert raw(p[EIR_ServiceData16BitUUID].payload) == hex_bytes("e6c2")
= Basic L2CAP dissect
a = L2CAP_Hdr(b'\x08\x00\x06\x00\t\x00\xf6\xe5\xd4\xc3\xb2\xa1')
assert a[SM_Identity_Address_Information].address == 'a1:b2:c3:d4:e5:f6'
assert a[SM_Identity_Address_Information].atype == 0
a.show()
= Basic HCI_ACL_Hdr build & dissect
a = HCI_Hdr()/HCI_ACL_Hdr(handle=0xf4c, PB=2, BC=2, len=20)/L2CAP_Hdr(len=16)/L2CAP_CmdHdr(code=8, len=12)/Raw("A"*12)
assert raw(a) == b'\x02L\xaf\x14\x00\x10\x00\x05\x00\x08\x00\x0c\x00AAAAAAAAAAAA'
b = HCI_Hdr(raw(a))
assert a == b
= Complex HCI - L2CAP build
a = HCI_Hdr()/HCI_ACL_Hdr()/L2CAP_Hdr()/L2CAP_CmdHdr()/L2CAP_ConnReq(scid=1)
assert raw(a) == b'\x02\x00\x00\x0c\x00\x08\x00\x05\x00\x02\x00\x04\x00\x00\x00\x01\x00'
a.show()
= Complex HCI - L2CAP dissect
a = HCI_Hdr(b'\x02\x00\x00\x11\x00\r\x00\x05\x00\x0b\x00\t\x00\x01\x00\x00\x00debug')
assert a[L2CAP_InfoResp].result == 0
assert a[L2CAP_InfoResp].data == b"debug"
= Answers
a = HCI_Hdr(b'\x02\x00\x00\x0c\x00\x08\x00\x05\x00\x02\x00\x04\x00\x00\x00\x9a;')
b = HCI_Hdr(b'\x02\x00\x00\x10\x00\x0c\x00\x05\x00\x03\x00\x08\x00\xff\xff\x9a;\x00\x00\x01\x00')
assert b.answers(a)
assert not a.answers(b)
a = HCI_Hdr(b'\x02\x00\x00\x0c\x00\x08\x00\x05\x00\x04\x00\x04\x00\x15\x00\x00\x00')
b = HCI_Hdr(b'\x02\x00\x00\x0e\x00\n\x00\x05\x00\x05\x00\x06\x00\x15\x00\x00\x00\x02\x00')
assert b.answers(a)
assert not a.answers(b)
= EIR_Hdr - HCI_LE_Meta_Advertising_Report (single report)
a = HCI_Hdr()/HCI_Event_Hdr()/HCI_Event_LE_Meta()/HCI_LE_Meta_Advertising_Reports(reports=[
HCI_LE_Meta_Advertising_Report(
addr="a1:b2:c3:d4:e5:f6",
data=[
EIR_Hdr()/EIR_Flags(flags=['br_edr_not_supported']),
EIR_Hdr()/EIR_CompleteLocalName(local_name="scapy"),
]
)
])
assert raw(a) == b'\x04>\x16\x02\x01\x00\x00\xf6\xe5\xd4\xc3\xb2\xa1\n\x02\x01\x04\x06\tscapy\x00'
b = HCI_Hdr(raw(a))
b.show()
assert b[HCI_Event_Hdr].len > 0
assert b[EIR_CompleteLocalName].local_name == b"scapy"
assert b[HCI_LE_Meta_Advertising_Report].addr == "a1:b2:c3:d4:e5:f6"
assert a.summary() == "HCI Event / HCI_Event_Hdr / HCI_Event_LE_Meta / HCI_LE_Meta_Advertising_Reports"
= EIR_Hdr - HCI_LE_Meta_Advertising_Report (duplicate reports)
# When duplicate reports are allowed, there are "Connectable Unidirected
# Advertising" reports, and "Scan Responses", for the same device/MAC, in the
# same packet.
a = HCI_Hdr()/HCI_Event_Hdr()/HCI_Event_LE_Meta()/HCI_LE_Meta_Advertising_Reports(reports=[
HCI_LE_Meta_Advertising_Report(
addr="a1:b2:c3:d4:e5:f6",
data=[
EIR_Hdr()/EIR_Flags(flags=['br_edr_not_supported']),
EIR_Hdr()/EIR_CompleteLocalName(local_name="scapy"),
]
),
HCI_LE_Meta_Advertising_Report(
type=4, # Scan Response
addr="a1:b2:c3:d4:e5:f6",
data=[
EIR_Hdr()/EIR_Manufacturer_Specific_Data(
company_id=0xffff,
)/Raw(b"ypacs"),
EIR_Hdr()/EIR_TX_Power_Level(level=10),
EIR_Hdr()/EIR_CompleteList128BitServiceUUIDs(svc_uuids=[
"01234567-89ab-cdef-1023-456789abcdfe",
])
]
)
])
assert raw(a) == b'\x04>>\x02\x02\x00\x00\xf6\xe5\xd4\xc3\xb2\xa1\n\x02\x01\x04\x06\tscapy\x00\x04\x00\xf6\xe5\xd4\xc3\xb2\xa1\x1e\x08\xff\xff\xffypacs\x02\n\n\x11\x07\xfe\xcd\xab\x89gE#\x10\xef\xcd\xab\x89gE#\x01\x00'
b = HCI_Hdr(raw(a))
b.show()
assert b[HCI_Event_Hdr].len > 0
assert b[EIR_CompleteLocalName].local_name == b"scapy"
assert b[HCI_LE_Meta_Advertising_Report].addr == "a1:b2:c3:d4:e5:f6"
assert b[EIR_Manufacturer_Specific_Data].company_id == 0xffff
assert raw(b[EIR_Manufacturer_Specific_Data].payload) == b"ypacs"
assert b[EIR_TX_Power_Level].level == 10
assert b[EIR_CompleteList128BitServiceUUIDs].svc_uuids[0] == UUID("01234567-89ab-cdef-1023-456789abcdfe")
assert a.summary() == "HCI Event / HCI_Event_Hdr / HCI_Event_LE_Meta / HCI_LE_Meta_Advertising_Reports"
= ATT_Hdr - misc
a = HCI_Hdr()/HCI_ACL_Hdr()/L2CAP_Hdr()/ATT_Hdr()/ATT_Read_By_Type_Request_128bit(uuid1=0xa14, uuid2=0xa24)
a = HCI_Hdr(raw(a))
a.show()
a.mysummary()
assert ATT_Read_By_Type_Request_128bit in a
assert not Raw in a
b = HCI_Hdr()/HCI_ACL_Hdr()/L2CAP_Hdr()/ATT_Hdr()/ATT_Read_By_Type_Request(uuid=0xa14)
b = HCI_Hdr(raw(b))
b.show()
b.mysummary()
assert ATT_Read_By_Type_Request in b
assert not Raw in b
= ATT Read_By_Type_Response
pkt = HCI_Hdr(hex_bytes('0248201b001700040009070200020300002a0400020500012a0600020700042a'))
assert pkt[ATT_Read_By_Type_Response].len == 7
assert len(pkt.handles) == 3
assert pkt.handles[0].handle == 0x2
assert pkt.handles[1].handle == 0x4
assert pkt.handles[2].handle == 0x6
pkt.handles[0].value == b'\x02\x03\x00\x00*'
pkt.handles[1].value == b'\x02\x05\x00\x01*'
pkt.handles[2].value == b'\x02\x07\x00\x04*'
= L2CAP layers
# a crazy packet with all classes in it!
pkt = L2CAP_CmdHdr()/L2CAP_CmdRej()/L2CAP_ConfReq()/L2CAP_ConfResp()/L2CAP_ConnReq()/L2CAP_ConnResp()/L2CAP_Connection_Parameter_Update_Request()/L2CAP_Connection_Parameter_Update_Response()/L2CAP_DisconnReq()/L2CAP_DisconnResp()/L2CAP_Hdr()/L2CAP_InfoReq()/L2CAP_InfoResp()
assert L2CAP_CmdHdr in pkt.layers()
assert L2CAP_CmdRej in pkt.layers()
assert L2CAP_ConfReq in pkt.layers()
assert L2CAP_ConfResp in pkt.layers()
assert L2CAP_ConnReq in pkt.layers()
assert L2CAP_ConnResp in pkt.layers()
assert L2CAP_Connection_Parameter_Update_Request in pkt.layers()
assert L2CAP_Connection_Parameter_Update_Response in pkt.layers()
assert L2CAP_DisconnReq in pkt.layers()
assert L2CAP_DisconnResp in pkt.layers()
assert L2CAP_Hdr in pkt.layers()
assert L2CAP_InfoReq in pkt.layers()
assert L2CAP_InfoResp in pkt.layers()
= SM_Public_Key() tests
r = raw(SM_Hdr()/SM_Public_Key(key_x="sca", key_y="py"))
assert r == b'\x0csca\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00py\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
p = SM_Hdr(r)
assert SM_Public_Key in p and p.key_x[:3] == b"sca" and p.key_y[:2] == b"py"
= SM_DHKey_Check() tests
r = raw(SM_Hdr()/SM_DHKey_Check(dhkey_check="scapy"))
assert r == b'\rscapy\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
p = SM_Hdr(r)
assert SM_DHKey_Check in p and p.dhkey_check[:5] == b"scapy"