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#!/usr/bin/env python3
import unittest
from twoping import packets
try:
from Crypto.Cipher import AES
has_aes = True
except ImportError:
has_aes = False
class TestPacketsOpcodes(unittest.TestCase):
def test_opcode_unknown(self):
data = b'Unknown data'
opcode = packets.Opcode()
opcode.load(data)
self.assertEqual(opcode.id, None)
self.assertEqual(opcode.dump(), data)
def test_opcode_reply_requested(self):
data = b''
opcode = packets.OpcodeReplyRequested()
opcode.load(data)
self.assertEqual(opcode.id, 0x0001)
self.assertEqual(opcode.dump(), data)
def test_opcode_in_reply_to(self):
data = b'\x01\x02\x03\x04\x05\x06'
opcode = packets.OpcodeInReplyTo()
opcode.load(data)
self.assertEqual(opcode.id, 0x0002)
self.assertEqual(opcode.dump(), data)
def test_opcode_rtt_enclosed(self):
data = b'\x12\x34\x56\x78'
opcode = packets.OpcodeRTTEnclosed()
opcode.load(data)
self.assertEqual(opcode.id, 0x0004)
self.assertEqual(opcode.dump(), data)
def test_opcode_investigation_seen(self):
data = b'\x01\x02\x03\x04\x05\x06\x11\x12\x13\x14\x15\x16'
opcode = packets.OpcodeInvestigationSeen()
opcode.load(data)
self.assertEqual(opcode.id, 0x0008)
self.assertEqual(opcode.dump(), data)
def test_opcode_investigation_unseen(self):
data = b'\x01\x02\x03\x04\x05\x06\x11\x12\x13\x14\x15\x16'
opcode = packets.OpcodeInvestigationUnseen()
opcode.load(data)
self.assertEqual(opcode.id, 0x0010)
self.assertEqual(opcode.dump(), data)
def test_opcode_investigate(self):
data = b'\x01\x02\x03\x04\x05\x06\x11\x12\x13\x14\x15\x16'
opcode = packets.OpcodeInvestigate()
opcode.load(data)
self.assertEqual(opcode.id, 0x0020)
self.assertEqual(opcode.dump(), data)
def test_opcode_courtesy_expiration(self):
data = b'\x01\x02\x03\x04\x05\x06\x11\x12\x13\x14\x15\x16'
opcode = packets.OpcodeCourtesyExpiration()
opcode.load(data)
self.assertEqual(opcode.id, 0x0040)
self.assertEqual(opcode.dump(), data)
def test_opcode_hmac(self):
data = b'\x00\x04\x01\x02\x03\x04'
# The dump always includes a zeroed hash area
data_out = b'\x00\x04\x00\x00\x00\x00'
opcode = packets.OpcodeHMAC()
opcode.load(data)
self.assertEqual(opcode.id, 0x0080)
self.assertEqual(opcode.dump(), data_out)
def test_opcode_host_latency(self):
data = b'\x12\x34\x56\x78'
opcode = packets.OpcodeHostLatency()
opcode.load(data)
self.assertEqual(opcode.id, 0x0100)
self.assertEqual(opcode.dump(), data)
def test_opcode_encrypted(self):
data = b'\x00\x01\xaa\xb1\xc0\x0f\x0f\x83\xd2\xc4x\xfe\xa1\xe2\x10by\xee"Rp\xf1\x93\xee\xe98G\xea\x11\xd1\xc9\x80=\xe3'
opcode = packets.OpcodeEncrypted()
opcode.load(data)
self.assertEqual(opcode.id, 0x0200)
self.assertEqual(opcode.dump(), data)
def test_opcode_extended(self):
data = b'\x32\x50\x56\x4e\x00\x12Test 2ping version'
opcode = packets.OpcodeExtended()
opcode.load(data)
self.assertEqual(opcode.id, 0x8000)
self.assertEqual(opcode.dump(), data)
def test_extended_unknown(self):
data = b'Unknown extended data'
opcode = packets.Extended()
opcode.load(data)
self.assertEqual(opcode.id, None)
self.assertEqual(opcode.dump(), data)
def test_extended_version(self):
data = b'Test 2ping version'
opcode = packets.ExtendedVersion()
opcode.load(data)
self.assertEqual(opcode.id, 0x3250564e)
self.assertEqual(opcode.dump(), data)
def test_extended_notice(self):
data = b'Notice announcement'
opcode = packets.ExtendedNotice()
opcode.load(data)
self.assertEqual(opcode.id, 0xa837b44e)
self.assertEqual(opcode.dump(), data)
def test_extended_wallclock_load(self):
opcode = packets.ExtendedWallClock()
opcode.load(b'\x00\x03\x63\x73\xe7\x7a\xc2\x20')
self.assertEqual(opcode.id, 0x64f69319)
self.assertEqual(opcode.time_us, int(953774386.102816 * 1000000))
def test_extended_wallclock_dump(self):
opcode = packets.ExtendedWallClock()
opcode.time_us = int(1454187789.993266 * 1000000)
self.assertEqual(opcode.id, 0x64f69319)
self.assertEqual(opcode.dump(), b'\x00\x05\x2a\x93\x7a\xa8\xc5\x32')
def test_extended_monotonicclock_load(self):
opcode = packets.ExtendedMonotonicClock()
opcode.load(b'\x7d\x67\x00\x03\x63\x73\xe7\x7a\xc2\x20')
self.assertEqual(opcode.id, 0x771d8dfb)
self.assertEqual(opcode.generation, 32103)
self.assertEqual(opcode.time_us, int(953774386.102816 * 1000000))
def test_extended_monotonicclock_dump(self):
opcode = packets.ExtendedMonotonicClock()
opcode.generation = 9311
opcode.time_us = int(1454187789.993266 * 1000000)
self.assertEqual(opcode.id, 0x771d8dfb)
self.assertEqual(opcode.dump(), b'\x24\x5f\x00\x05\x2a\x93\x7a\xa8\xc5\x32')
def test_extended_random_load(self):
random_data = b'\xf1\xfd\xf8\x9c\xe3\x9a\x87\x14'
opcode = packets.ExtendedRandom()
opcode.load(b'\x00\x03' + random_data)
self.assertEqual(opcode.id, 0x2ff6ad68)
self.assertTrue(opcode.is_hwrng)
self.assertTrue(opcode.is_os)
self.assertEqual(opcode.random_data, random_data)
def test_extended_random_dump(self):
random_data = b'\xbc\xde\xdc\xe5\xa8\x9a\xbd\x14'
opcode = packets.ExtendedRandom()
opcode.is_hwrng = True
opcode.random_data = random_data
self.assertEqual(opcode.id, 0x2ff6ad68)
self.assertEqual(opcode.dump(), b'\x00\x01' + random_data)
def test_extended_batteries_load(self):
opcode = packets.ExtendedBatteryLevels()
opcode.load(b'\x00\x02\x00\x00\xff\xff\x00\x01\xce\xa3')
self.assertEqual(opcode.id, 0x88a1f7c7)
self.assertEqual(opcode.batteries[0], 65535)
self.assertEqual(opcode.batteries[1], 52899)
def test_extended_batteries_dump(self):
opcode = packets.ExtendedBatteryLevels()
opcode.batteries = {
0: 65535,
1: 52899,
}
self.assertEqual(opcode.id, 0x88a1f7c7)
self.assertEqual(opcode.dump(), b'\x00\x02\x00\x00\xff\xff\x00\x01\xce\xa3')
@unittest.skipUnless(has_aes, 'PyCrypto required')
def test_encrypted_encrypt_decrypt(self):
key = b'Secret key'
iv = b'2\xf0J/\xb3x\xe3\xf3s+J\x8c\x02t\xca\x0e'
minimal_packet_data = b'2P\xda\x0a\x0e\xa5[\xe2\x89\x1d\x00\x00\x00\x00\x00\x00'
opcode = packets.OpcodeEncrypted()
opcode.session = b'z\xe3\xcb\xdfeK\x86\x96'
opcode.iv = iv
opcode.method_index = 1
opcode.encrypt(minimal_packet_data, key)
self.assertEqual(opcode.decrypt(key), minimal_packet_data)
class TestPacketsReference(unittest.TestCase):
''' Test protocol reference packets
These tests replicate the reference packets included as examples in
the 2ping protocol specification.
'''
def test_reference_1a(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x01'
self.assertEqual(packet.dump(), b'\x32\x50\x2d\xae\x00\x00\x00\x00\xa0\x01\x00\x00')
def test_reference_2a(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x01'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
self.assertEqual(packet.dump(), b'\x32\x50\x2d\xad\x00\x00\x00\x00\xa0\x01\x00\x01\x00\x00')
def test_reference_2b(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xb0\x01'
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xa0\x01'
self.assertEqual(packet.dump(), b'\x32\x50\x7d\xa4\x00\x00\x00\x00\xb0\x01\x00\x02\x00\x06\x00\x00\x00\x00\xa0\x01')
def test_reference_3a(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x01'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
self.assertEqual(packet.dump(), b'\x32\x50\x2d\xad\x00\x00\x00\x00\xa0\x01\x00\x01\x00\x00')
def test_reference_3b(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xb0\x01'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xa0\x01'
self.assertEqual(packet.dump(), b'\x32\x50\x7d\xa3\x00\x00\x00\x00\xb0\x01\x00\x03\x00\x00\x00\x06\x00\x00\x00\x00\xa0\x01')
def test_reference_3c(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x02'
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xb0\x01'
packet.opcodes[packets.OpcodeRTTEnclosed.id] = packets.OpcodeRTTEnclosed()
packet.opcodes[packets.OpcodeRTTEnclosed.id].rtt_us = 12345
self.assertEqual(packet.dump(), b'\x32\x50\x4d\x62\x00\x00\x00\x00\xa0\x02\x00\x06\x00\x06\x00\x00\x00\x00\xb0\x01\x00\x04\x00\x00\x30\x39')
def test_reference_4a(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x01'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
self.assertEqual(packet.dump(), b'\x32\x50\x2d\xad\x00\x00\x00\x00\xa0\x01\x00\x01\x00\x00')
def test_reference_4b(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x02'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
packet.opcodes[packets.OpcodeInvestigate.id] = packets.OpcodeInvestigate()
packet.opcodes[packets.OpcodeInvestigate.id].message_ids.append(b'\x00\x00\x00\x00\xa0\x01')
self.assertEqual(packet.dump(), b'\x32\x50\x8d\x81\x00\x00\x00\x00\xa0\x02\x00\x21\x00\x00\x00\x08\x00\x01\x00\x00\x00\x00\xa0\x01')
def test_reference_4c(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xb0\x02'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xa0\x02'
packet.opcodes[packets.OpcodeInvestigationSeen.id] = packets.OpcodeInvestigationSeen()
packet.opcodes[packets.OpcodeInvestigationSeen.id].message_ids.append(b'\x00\x00\x00\x00\xa0\x01')
self.assertEqual(packet.dump(), b'\x32\x50\xdd\x8e\x00\x00\x00\x00\xb0\x02\x00\x0b\x00\x00\x00\x06\x00\x00\x00\x00\xa0\x02\x00\x08\x00\x01\x00\x00\x00\x00\xa0\x01')
def test_reference_4d(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x03'
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xb0\x02'
packet.opcodes[packets.OpcodeRTTEnclosed.id] = packets.OpcodeRTTEnclosed()
packet.opcodes[packets.OpcodeRTTEnclosed.id].rtt_us = 12345
self.assertEqual(packet.dump(), b'\x32\x50\x4d\x60\x00\x00\x00\x00\xa0\x03\x00\x06\x00\x06\x00\x00\x00\x00\xb0\x02\x00\x04\x00\x00\x30\x39')
def test_reference_5a(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x01'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
self.assertEqual(packet.dump(), b'\x32\x50\x2d\xad\x00\x00\x00\x00\xa0\x01\x00\x01\x00\x00')
def test_reference_5b(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x02'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
packet.opcodes[packets.OpcodeInvestigate.id] = packets.OpcodeInvestigate()
packet.opcodes[packets.OpcodeInvestigate.id].message_ids.append(b'\x00\x00\x00\x00\xa0\x01')
self.assertEqual(packet.dump(), b'\x32\x50\x8d\x81\x00\x00\x00\x00\xa0\x02\x00\x21\x00\x00\x00\x08\x00\x01\x00\x00\x00\x00\xa0\x01')
def test_reference_5c(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xb0\x01'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xa0\x02'
packet.opcodes[packets.OpcodeInvestigationUnseen.id] = packets.OpcodeInvestigationUnseen()
packet.opcodes[packets.OpcodeInvestigationUnseen.id].message_ids.append(b'\x00\x00\x00\x00\xa0\x01')
self.assertEqual(packet.dump(), b'\x32\x50\xdd\x87\x00\x00\x00\x00\xb0\x01\x00\x13\x00\x00\x00\x06\x00\x00\x00\x00\xa0\x02\x00\x08\x00\x01\x00\x00\x00\x00\xa0\x01')
def test_reference_5d(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x03'
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xb0\x01'
packet.opcodes[packets.OpcodeRTTEnclosed.id] = packets.OpcodeRTTEnclosed()
packet.opcodes[packets.OpcodeRTTEnclosed.id].rtt_us = 12345
self.assertEqual(packet.dump(), b'\x32\x50\x4d\x61\x00\x00\x00\x00\xa0\x03\x00\x06\x00\x06\x00\x00\x00\x00\xb0\x01\x00\x04\x00\x00\x30\x39')
def test_reference_6a(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x01'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
self.assertEqual(packet.dump(), b'\x32\x50\x2d\xad\x00\x00\x00\x00\xa0\x01\x00\x01\x00\x00')
def test_reference_6b(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x02'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
self.assertEqual(packet.dump(), b'\x32\x50\x2d\xac\x00\x00\x00\x00\xa0\x02\x00\x01\x00\x00')
def test_reference_6c(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x03'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
self.assertEqual(packet.dump(), b'\x32\x50\x2d\xab\x00\x00\x00\x00\xa0\x03\x00\x01\x00\x00')
def test_reference_6d(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xb0\x02'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xa0\x03'
self.assertEqual(packet.dump(), b'\x32\x50\x7d\xa0\x00\x00\x00\x00\xb0\x02\x00\x03\x00\x00\x00\x06\x00\x00\x00\x00\xa0\x03')
def test_reference_6e(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x04'
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xb0\x02'
packet.opcodes[packets.OpcodeRTTEnclosed.id] = packets.OpcodeRTTEnclosed()
packet.opcodes[packets.OpcodeRTTEnclosed.id].rtt_us = 12823
self.assertEqual(packet.dump(), b'\x32\x50\x4b\x81\x00\x00\x00\x00\xa0\x04\x00\x06\x00\x06\x00\x00\x00\x00\xb0\x02\x00\x04\x00\x00\x32\x17')
def test_reference_6f(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x0a'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
packet.opcodes[packets.OpcodeInvestigate.id] = packets.OpcodeInvestigate()
packet.opcodes[packets.OpcodeInvestigate.id].message_ids.append(b'\x00\x00\x00\x00\xa0\x01')
packet.opcodes[packets.OpcodeInvestigate.id].message_ids.append(b'\x00\x00\x00\x00\xa0\x02')
self.assertEqual(packet.dump(), b'\x32\x50\xed\x6f\x00\x00\x00\x00\xa0\x0a\x00\x21\x00\x00\x00\x0e\x00\x02\x00\x00\x00\x00\xa0\x01\x00\x00\x00\x00\xa0\x02')
def test_reference_6g(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xb0\x06'
packet.opcodes[packets.OpcodeReplyRequested.id] = packets.OpcodeReplyRequested()
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xa0\x0a'
packet.opcodes[packets.OpcodeInvestigationSeen.id] = packets.OpcodeInvestigationSeen()
packet.opcodes[packets.OpcodeInvestigationSeen.id].message_ids.append(b'\x00\x00\x00\x00\xa0\x01')
packet.opcodes[packets.OpcodeInvestigationUnseen.id] = packets.OpcodeInvestigationUnseen()
packet.opcodes[packets.OpcodeInvestigationUnseen.id].message_ids.append(b'\x00\x00\x00\x00\xa0\x02')
packet.opcodes[packets.OpcodeInvestigate.id] = packets.OpcodeInvestigate()
packet.opcodes[packets.OpcodeInvestigate.id].message_ids.append(b'\x00\x00\x00\x00\xb0\x02')
self.assertEqual(packet.dump(), b'\x32\x50\x8d\x3b\x00\x00\x00\x00\xb0\x06\x00\x3b\x00\x00\x00\x06\x00\x00\x00\x00\xa0\x0a\x00\x08\x00\x01\x00\x00\x00\x00\xa0\x01\x00\x08\x00\x01\x00\x00\x00\x00\xa0\x02\x00\x08\x00\x01\x00\x00\x00\x00\xb0\x02')
def test_reference_6h(self):
packet = packets.Packet()
packet.message_id = b'\x00\x00\x00\x00\xa0\x0b'
packet.opcodes[packets.OpcodeInReplyTo.id] = packets.OpcodeInReplyTo()
packet.opcodes[packets.OpcodeInReplyTo.id].message_id = b'\x00\x00\x00\x00\xb0\x06'
packet.opcodes[packets.OpcodeRTTEnclosed.id] = packets.OpcodeRTTEnclosed()
packet.opcodes[packets.OpcodeRTTEnclosed.id].rtt_us = 13112
packet.opcodes[packets.OpcodeInvestigationSeen.id] = packets.OpcodeInvestigationSeen()
packet.opcodes[packets.OpcodeInvestigationSeen.id].message_ids.append(b'\x00\x00\x00\x00\xb0\x02')
self.assertEqual(packet.dump(), b'\x32\x50\x9a\x41\x00\x00\x00\x00\xa0\x0b\x00\x0e\x00\x06\x00\x00\x00\x00\xb0\x06\x00\x04\x00\x00\x33\x38\x00\x08\x00\x01\x00\x00\x00\x00\xb0\x02')
if __name__ == '__main__':
unittest.main()
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