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bluetooth: SM: Add security request packet #4732

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bluetooth: SM: Add security request packet #4732

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24 changes: 15 additions & 9 deletions scapy/layers/bluetooth.py
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Original file line number Diff line number Diff line change
Expand Up @@ -919,6 +919,11 @@ class SM_Signing_Information(Packet):
fields_desc = [StrFixedLenField("csrk", b'\x00' * 16, 16), ]


class SM_Security_Request(Packet):
name = "Security Request"
fields_desc = [BitField("auth_req", 0, 8), ]


class SM_Public_Key(Packet):
name = "Public Key"
fields_desc = [StrFixedLenField("key_x", b'\x00' * 32, 32),
Expand Down Expand Up @@ -2813,16 +2818,17 @@ class HCI_LE_Meta_Extended_Advertising_Reports(Packet):
bind_layers(ATT_Hdr, ATT_Handle_Value_Notification, opcode=0x1b)
bind_layers(ATT_Hdr, ATT_Handle_Value_Indication, opcode=0x1d)
bind_layers(L2CAP_Hdr, SM_Hdr, cid=6)
bind_layers(SM_Hdr, SM_Pairing_Request, sm_command=1)
bind_layers(SM_Hdr, SM_Pairing_Response, sm_command=2)
bind_layers(SM_Hdr, SM_Confirm, sm_command=3)
bind_layers(SM_Hdr, SM_Random, sm_command=4)
bind_layers(SM_Hdr, SM_Failed, sm_command=5)
bind_layers(SM_Hdr, SM_Encryption_Information, sm_command=6)
bind_layers(SM_Hdr, SM_Master_Identification, sm_command=7)
bind_layers(SM_Hdr, SM_Identity_Information, sm_command=8)
bind_layers(SM_Hdr, SM_Identity_Address_Information, sm_command=9)
bind_layers(SM_Hdr, SM_Pairing_Request, sm_command=0x01)
bind_layers(SM_Hdr, SM_Pairing_Response, sm_command=0x02)
bind_layers(SM_Hdr, SM_Confirm, sm_command=0x03)
bind_layers(SM_Hdr, SM_Random, sm_command=0x04)
bind_layers(SM_Hdr, SM_Failed, sm_command=0x05)
bind_layers(SM_Hdr, SM_Encryption_Information, sm_command=0x06)
bind_layers(SM_Hdr, SM_Master_Identification, sm_command=0x07)
bind_layers(SM_Hdr, SM_Identity_Information, sm_command=0x08)
bind_layers(SM_Hdr, SM_Identity_Address_Information, sm_command=0x09)
bind_layers(SM_Hdr, SM_Signing_Information, sm_command=0x0a)
bind_layers(SM_Hdr, SM_Security_Request, sm_command=0x0b)
bind_layers(SM_Hdr, SM_Public_Key, sm_command=0x0c)
bind_layers(SM_Hdr, SM_DHKey_Check, sm_command=0x0d)

Expand Down
6 changes: 6 additions & 0 deletions test/scapy/layers/bluetooth.uts
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Original file line number Diff line number Diff line change
Expand Up @@ -791,6 +791,12 @@ 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*'

= SM_Security_Request
pkt = HCI_Hdr(hex_bytes('0200260600020006000b0d'))
assert SM_Security_Request in pkt
assert pkt[SM_Security_Request].auth_req == 0x0d


= SM_Public_Key() tests

r = raw(SM_Hdr()/SM_Public_Key(key_x="sca", key_y="py"))
Expand Down