def test_create_message(self):
message = SMB2NegotiateResponse()
message['security_mode'] = SecurityMode.SMB2_NEGOTIATE_SIGNING_ENABLED
message['dialect_revision'] = Dialects.SMB_3_0_2
message['server_guid'] = uuid.UUID(bytes=b"\x11" * 16)
message['capabilities'] = 39
message['max_transact_size'] = 8388608
message['max_read_size'] = 8388608
message['max_write_size'] = 8388608
message['system_time'] = datetime(year=2017,
month=11,
day=15,
hour=11,
minute=32,
second=12,
microsecond=1616)
message['server_start_time'] = datetime(year=2017,
month=11,
day=15,
hour=11,
minute=27,
second=26,
microsecond=349606)
message['buffer'] = b"\x01\x02\x03\x04\x05\x06\x07\x08" \
b"\x09\x10"
expected = b"\x41\x00" \
b"\x01\x00" \
b"\x02\x03" \
b"\x00\x00" \
b"\x11\x11\x11\x11\x11\x11\x11\x11" \
b"\x11\x11\x11\x11\x11\x11\x11\x11" \
b"\x27\x00\x00\x00" \
b"\x00\x00\x80\x00" \
b"\x00\x00\x80\x00" \
b"\x00\x00\x80\x00" \
b"\x20\xc5\x0d\x61\x05\x5e\xd3\x01" \
b"\x7c\xbb\xca\xb6\x04\x5e\xd3\x01" \
b"\x80\x00" \
b"\x0a\x00" \
b"\x00\x00\x00\x00" \
b"\x01\x02\x03\x04\x05\x06\x07\x08" \
b"\x09\x10"
actual = message.pack()
assert len(message) == 74
assert actual == expected
def test_parse_message_3_1_1(self):
actual = SMB2NegotiateResponse()
data = b"\x41\x00" \
b"\x01\x00" \
b"\x11\x03" \
b"\x01\x00" \
b"\x11\x11\x11\x11\x11\x11\x11\x11" \
b"\x11\x11\x11\x11\x11\x11\x11\x11" \
b"\x27\x00\x00\x00" \
b"\x00\x00\x80\x00" \
b"\x00\x00\x80\x00" \
b"\x00\x00\x80\x00" \
b"\x24\xc5\x0d\x61\x05\x5e\xd3\x01" \
b"\x7f\xbb\xca\xb6\x04\x5e\xd3\x01" \
b"\x80\x00" \
b"\x78\x00" \
b"\xf8\x00\x00\x00" \
b"\x60\x76\x06\x06\x2b\x06\x01\x05" \
b"\x05\x02\xa0\x6c\x30\x6a\xa0\x3c" \
b"\x30\x3a\x06\x0a\x2b\x06\x01\x04" \
b"\x01\x82\x37\x02\x02\x1e\x06\x09" \
b"\x2a\x86\x48\x82\xf7\x12\x01\x02" \
b"\x02\x06\x09\x2a\x86\x48\x86\xf7" \
b"\x12\x01\x02\x02\x06\x0a\x2a\x86" \
b"\x48\x86\xf7\x12\x01\x02\x02\x03" \
b"\x06\x0a\x2b\x06\x01\x04\x01\x82" \
b"\x37\x02\x02\x0a\xa3\x2a\x30\x28" \
b"\xa0\x26\x1b\x24\x6e\x6f\x74\x5f" \
b"\x64\x65\x66\x69\x6e\x65\x64\x5f" \
b"\x69\x6e\x5f\x52\x46\x43\x34\x31" \
b"\x37\x38\x40\x70\x6c\x65\x61\x73" \
b"\x65\x5f\x69\x67\x6e\x6f\x72\x65" \
b"" \
b"\x01\x00\x26\x00\x00\x00\x00\x00" \
b"\x01\x00\x20\x00\x01\x00\x22\x22" \
b"\x22\x22\x22\x22\x22\x22\x22\x22" \
b"\x22\x22\x22\x22\x22\x22\x22\x22" \
b"\x22\x22\x22\x22\x22\x22\x22\x22" \
b"\x22\x22\x22\x22\x22\x22"
actual.unpack(data)
assert len(actual) == 230
assert actual['structure_size'].get_value() == 65
assert actual['security_mode'].get_value() == \
SecurityMode.SMB2_NEGOTIATE_SIGNING_ENABLED
assert actual['dialect_revision'].get_value() == Dialects.SMB_3_1_1
assert actual['negotiate_context_count'].get_value() == 1
assert actual['server_guid'].get_value() == uuid.UUID(bytes=b"\x11" *
16)
assert actual['capabilities'].get_value() == 39
assert actual['max_transact_size'].get_value() == 8388608
assert actual['max_read_size'].get_value() == 8388608
assert actual['max_write_size'].get_value() == 8388608
assert actual['system_time'].get_value() == datetime(year=2017,
month=11,
day=15,
hour=11,
minute=32,
second=12,
microsecond=1616)
assert actual['server_start_time'].get_value() == datetime(
year=2017,
month=11,
day=15,
hour=11,
minute=27,
second=26,
microsecond=349606)
assert actual['security_buffer_offset'].get_value() == 128
assert actual['security_buffer_length'].get_value() == 120
assert actual['negotiate_context_offset'].get_value() == 248
assert isinstance(actual['buffer'].get_value(), bytes)
assert len(actual['buffer']) == 120
assert actual['padding'].get_value() == b""
assert isinstance(actual['negotiate_context_list'].get_value(), list)
assert len(actual['negotiate_context_list'].get_value()) == 1
neg_context = actual['negotiate_context_list'].get_value()[0]
assert isinstance(neg_context, SMB2NegotiateContextRequest)
assert neg_context['context_type'].get_value() == \
NegotiateContextType.SMB2_PREAUTH_INTEGRITY_CAPABILITIES
assert neg_context['data_length'].get_value() == 38
assert neg_context['reserved'].get_value() == 0
preauth_cap = neg_context['data']
assert preauth_cap['hash_algorithm_count'].get_value() == 1
assert preauth_cap['salt_length'].get_value() == 32
assert preauth_cap['hash_algorithms'].get_value() == [
HashAlgorithms.SHA_512
]
assert preauth_cap['salt'].get_value() == b"\x22" * 32
def test_parse_message(self):
actual = SMB2NegotiateResponse()
data = b"\x41\x00" \
b"\x01\x00" \
b"\x02\x03" \
b"\x00\x00" \
b"\x11\x11\x11\x11\x11\x11\x11\x11" \
b"\x11\x11\x11\x11\x11\x11\x11\x11" \
b"\x67\x00\x00\x00" \
b"\x00\x00\x80\x00" \
b"\x00\x00\x80\x00" \
b"\x00\x00\x80\x00" \
b"\x14\x85\x12\x8b\xc2\x5e\xd3\x01" \
b"\x04\x88\x4d\x21\xc2\x5e\xd3\x01" \
b"\x80\x00" \
b"\x78\x00" \
b"\x00\x00\x00\x00" \
b"\x60\x76\x06\x06\x2b\x06\x01\x05" \
b"\x05\x02\xa0\x6c\x30\x6a\xa0\x3c" \
b"\x30\x3a\x06\x0a\x2b\x06\x01\x04" \
b"\x01\x82\x37\x02\x02\x1e\x06\x09" \
b"\x2a\x86\x48\x82\xf7\x12\x01\x02" \
b"\x02\x06\x09\x2a\x86\x48\x86\xf7" \
b"\x12\x01\x02\x02\x06\x0a\x2a\x86" \
b"\x48\x86\xf7\x12\x01\x02\x02\x03" \
b"\x06\x0a\x2b\x06\x01\x04\x01\x82" \
b"\x37\x02\x02\x0a\xa3\x2a\x30\x28" \
b"\xa0\x26\x1b\x24\x6e\x6f\x74\x5f" \
b"\x64\x65\x66\x69\x6e\x65\x64\x5f" \
b"\x69\x6e\x5f\x52\x46\x43\x34\x31" \
b"\x37\x38\x40\x70\x6c\x65\x61\x73" \
b"\x65\x5f\x69\x67\x6e\x6f\x72\x65"
actual.unpack(data)
assert len(actual) == 184
assert actual['structure_size'].get_value() == 65
assert actual['security_mode'].get_value() == \
SecurityMode.SMB2_NEGOTIATE_SIGNING_ENABLED
assert actual['dialect_revision'].get_value() == Dialects.SMB_3_0_2
assert actual['negotiate_context_count'].get_value() == 0
assert actual['server_guid'].get_value() == uuid.UUID(bytes=b"\x11" *
16)
assert actual['capabilities'].get_value() == 103
assert actual['max_transact_size'].get_value() == 8388608
assert actual['max_read_size'].get_value() == 8388608
assert actual['max_write_size'].get_value() == 8388608
assert actual['system_time'].get_value() == datetime(
year=2017,
month=11,
day=16,
hour=10,
minute=6,
second=17,
microsecond=378946)
assert actual['server_start_time'].get_value() == datetime(
year=2017,
month=11,
day=16,
hour=10,
minute=3,
second=19,
microsecond=927194)
assert actual['security_buffer_offset'].get_value() == 128
assert actual['security_buffer_length'].get_value() == 120
assert actual['negotiate_context_offset'].get_value() == 0
assert isinstance(actual['buffer'].get_value(), bytes)
assert len(actual['buffer']) == 120
assert actual['padding'].get_value() == b""
assert actual['negotiate_context_list'].get_value() == []
def test_create_message_3_1_1(self):
message = SMB2NegotiateResponse()
message['security_mode'] = SecurityMode.SMB2_NEGOTIATE_SIGNING_ENABLED
message['dialect_revision'] = Dialects.SMB_3_1_1
message['server_guid'] = uuid.UUID(bytes=b"\x11" * 16)
message['capabilities'] = 39
message['max_transact_size'] = 8388608
message['max_read_size'] = 8388608
message['max_write_size'] = 8388608
message['system_time'] = datetime(year=2017,
month=11,
day=15,
hour=11,
minute=32,
second=12,
microsecond=1616)
message['server_start_time'] = datetime(year=2017,
month=11,
day=15,
hour=11,
minute=27,
second=26,
microsecond=349606)
message['buffer'] = b"\x01\x02\x03\x04\x05\x06\x07\x08" \
b"\x09\x10"
int_cap = SMB2PreauthIntegrityCapabilities()
int_cap['hash_algorithms'] = [HashAlgorithms.SHA_512]
int_cap['salt'] = b"\x22" * 32
negotiate_context = SMB2NegotiateContextRequest()
negotiate_context['context_type'] = \
NegotiateContextType.SMB2_PREAUTH_INTEGRITY_CAPABILITIES
negotiate_context['data'] = int_cap
message['negotiate_context_list'] = [negotiate_context]
expected = b"\x41\x00" \
b"\x01\x00" \
b"\x11\x03" \
b"\x01\x00" \
b"\x11\x11\x11\x11\x11\x11\x11\x11" \
b"\x11\x11\x11\x11\x11\x11\x11\x11" \
b"\x27\x00\x00\x00" \
b"\x00\x00\x80\x00" \
b"\x00\x00\x80\x00" \
b"\x00\x00\x80\x00" \
b"\x20\xc5\x0d\x61\x05\x5e\xd3\x01" \
b"\x7c\xbb\xca\xb6\x04\x5e\xd3\x01" \
b"\x80\x00" \
b"\x0a\x00" \
b"\x90\x00\x00\x00" \
b"\x01\x02\x03\x04\x05\x06\x07\x08" \
b"\x09\x10" \
b"\x00\x00\x00\x00\x00\x00" \
b"\x01\x00\x26\x00\x00\x00\x00\x00" \
b"\x01\x00\x20\x00\x01\x00\x22\x22" \
b"\x22\x22\x22\x22\x22\x22\x22\x22" \
b"\x22\x22\x22\x22\x22\x22\x22\x22" \
b"\x22\x22\x22\x22\x22\x22\x22\x22" \
b"\x22\x22\x22\x22\x22\x22" \
b"\x00\x00"
actual = message.pack()
assert len(message) == 128
assert actual == expected