def test_decrypt_invalid_session_id(self, smb_real):
connection = Connection(uuid.uuid4(), smb_real[2], smb_real[3], True)
session = Session(connection, smb_real[0], smb_real[1])
connection.connect()
try:
session.connect()
# just get some random message
header = connection.preauth_integrity_hash_value[-1]
enc_header = connection._encrypt(header.pack(), session)
assert isinstance(enc_header, SMB2TransformHeader)
enc_header['session_id'] = 100
with pytest.raises(SMBException) as exc:
connection._decrypt(enc_header)
assert str(exc.value) == "Failed to find valid session 100 for " \
"message decryption"
finally:
connection.disconnect(True)
def test_decrypt_invalid_flag(self, smb_real):
connection = Connection(uuid.uuid4(), smb_real[2], smb_real[3], True)
session = Session(connection, smb_real[0], smb_real[1])
connection.connect()
try:
session.connect()
# just get some random message
header = connection.preauth_integrity_hash_value[-1]
enc_header = connection._encrypt(header.pack(), session)
assert isinstance(enc_header, SMB2TransformHeader)
enc_header['flags'] = 5
with pytest.raises(SMBException) as exc:
connection._decrypt(enc_header)
assert str(exc.value) == "Expecting flag of 0x0001 but got 5 in " \
"the SMB Transform Header Response"
finally:
connection.disconnect(True)
