def test_version(self):
"""check encoding/decoding of the version message"""
# with single stream
msg = protocol.assembleVersionMessage('127.0.0.1', 8444, [1])
decoded = self._decode_msg(msg, "IQQiiQlsLv")
peer, _, ua, streams = self._decode_msg(msg, "IQQiiQlsLv")[4:]
self.assertEqual(peer, Node(3, '127.0.0.1', 8444))
self.assertEqual(ua, '/PyBitmessage:' + softwareVersion + '/')
self.assertEqual(streams, [1])
# with multiple streams
msg = protocol.assembleVersionMessage('127.0.0.1', 8444, [1, 2, 3])
decoded = self._decode_msg(msg, "IQQiiQlslv")
peer, _, ua = decoded[4:7]
streams = decoded[7:]
self.assertEqual(streams, [1, 2, 3])
def state_proxy_handshake_done(self):
Socks4aConnection.state_proxy_handshake_done(self)
self.nodeid = randomBytes(8)
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
network.connectionpool.BMConnectionPool().streams, False, nodeid=self.nodeid))
self.set_state("bm_header", expectBytes=protocol.Header.size)
return True
def sendversion(self):
logger.debug('Sending version message')
self.sendDataThreadQueue.put((0, 'sendRawData',
protocol.assembleVersionMessage(
self.peer.host, self.peer.port,
state.streamsInWhichIAmParticipating,
not self.initiatedConnection)))
def bm_command_version(self):
self.remoteProtocolVersion, self.services, self.timestamp, self.sockNode, self.peerNode, self.nonce, \
self.userAgent, self.streams = self.decode_payload_content("IQQiiQlsLv")
self.nonce = struct.pack('>Q', self.nonce)
self.timeOffset = self.timestamp - int(time.time())
logger.debug("remoteProtocolVersion: %i", self.remoteProtocolVersion)
logger.debug("services: 0x%08X", self.services)
logger.debug("time offset: %i", self.timestamp - int(time.time()))
logger.debug("my external IP: %s", self.sockNode.host)
logger.debug("remote node incoming address: %s:%i", self.destination.host, self.peerNode.port)
logger.debug("user agent: %s", self.userAgent)
logger.debug("streams: [%s]", ",".join(map(str,self.streams)))
if not self.peerValidityChecks():
# TODO ABORT
return True
#shared.connectedHostsList[self.destination] = self.streams[0]
self.append_write_buf(protocol.CreatePacket('verack'))
self.verackSent = True
if not self.isOutbound:
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
network.connectionpool.BMConnectionPool().streams, True, nodeid=self.nodeid))
#print "%s:%i: Sending version" % (self.destination.host, self.destination.port)
if ((self.services & protocol.NODE_SSL == protocol.NODE_SSL) and
protocol.haveSSL(not self.isOutbound)):
self.isSSL = True
if self.verackReceived:
if self.isSSL:
self.set_state("tls_init", length=self.payloadLength, expectBytes=0)
return False
self.set_state("connection_fully_established", length=self.payloadLength, expectBytes=0)
return False
return True
def state_proxy_handshake_done(self):
Socks4aConnection.state_proxy_handshake_done(self)
self.nodeid = randomBytes(8)
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
network.connectionpool.BMConnectionPool().streams, False, nodeid=self.nodeid))
self.set_state("bm_header", expectBytes=protocol.Header.size)
return True
def bm_command_version(self):
self.remoteProtocolVersion, self.services, self.timestamp, self.sockNode, self.peerNode, self.nonce, \
self.userAgent, self.streams = self.decode_payload_content("IQQiiQlsLv")
self.nonce = struct.pack('>Q', self.nonce)
self.timeOffset = self.timestamp - int(time.time())
logger.debug("remoteProtocolVersion: %i", self.remoteProtocolVersion)
logger.debug("services: 0x%08X", self.services)
logger.debug("time offset: %i", self.timestamp - int(time.time()))
logger.debug("my external IP: %s", self.sockNode.host)
logger.debug("remote node incoming address: %s:%i", self.destination.host, self.peerNode.port)
logger.debug("user agent: %s", self.userAgent)
logger.debug("streams: [%s]", ",".join(map(str,self.streams)))
if not self.peerValidityChecks():
# TODO ABORT
return True
#shared.connectedHostsList[self.destination] = self.streams[0]
self.append_write_buf(protocol.CreatePacket('verack'))
self.verackSent = True
if not self.isOutbound:
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
network.connectionpool.BMConnectionPool().streams, True, nodeid=self.nodeid))
#print "%s:%i: Sending version" % (self.destination.host, self.destination.port)
if ((self.services & protocol.NODE_SSL == protocol.NODE_SSL) and
protocol.haveSSL(not self.isOutbound)):
self.isSSL = True
if self.verackReceived:
if self.isSSL:
self.set_state("tls_init", length=self.payloadLength, expectBytes=0)
return False
self.set_state("connection_fully_established", length=self.payloadLength, expectBytes=0)
return False
return True
def handle_connect(self):
try:
AdvancedDispatcher.handle_connect(self)
except socket.error as e:
if e.errno in asyncore._DISCONNECTED:
logger.debug("%s:%i: Connection failed: %s" % (self.destination.host, self.destination.port, str(e)))
return
self.nodeid = randomBytes(8)
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
network.connectionpool.BMConnectionPool().streams, False, nodeid=self.nodeid))
#print "%s:%i: Sending version" % (self.destination.host, self.destination.port)
self.connectedAt = time.time()
receiveDataQueue.put(self.destination)
def sendVersionMessage(self):
datatosend = protocol.assembleVersionMessage(
self.peer.host, self.peer.port, state.streamsInWhichIAmParticipating, not self.initiatedConnection) # the IP and port of the remote host, and my streamNumber.
logger.debug('Sending version packet: ' + repr(datatosend))
try:
self.sendBytes(datatosend)
except Exception as err:
# if not 'Bad file descriptor' in err:
logger.error('sock.sendall error: %s\n' % err)
self.versionSent = 1
def state_proxy_handshake_done(self):
"""State when SOCKS4a connection succeeds, we need to send a Bitmessage handshake to peer."""
Socks4aConnection.state_proxy_handshake_done(self)
self.nodeid = randomBytes(8)
self.append_write_buf(
protocol.assembleVersionMessage(
self.destination.host,
self.destination.port,
network.connectionpool.BMConnectionPool().streams,
False,
nodeid=self.nodeid))
self.set_state("bm_header", expectBytes=protocol.Header.size)
return True
def sendVersionMessage(self):
datatosend = protocol.assembleVersionMessage(
self.peer.host, self.peer.port,
state.streamsInWhichIAmParticipating, not self.initiatedConnection
) # the IP and port of the remote host, and my streamNumber.
logger.debug('Sending version packet: ' + repr(datatosend))
try:
self.sendBytes(datatosend)
except Exception as err:
# if not 'Bad file descriptor' in err:
logger.error('sock.sendall error: %s\n' % err)
def handle_connect(self):
try:
AdvancedDispatcher.handle_connect(self)
except socket.error as e:
if e.errno in asyncore._DISCONNECTED:
logger.debug("%s:%i: Connection failed: %s" % (self.destination.host, self.destination.port, str(e)))
return
self.nodeid = randomBytes(8)
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
network.connectionpool.BMConnectionPool().streams, False, nodeid=self.nodeid))
#print "%s:%i: Sending version" % (self.destination.host, self.destination.port)
self.connectedAt = time.time()
receiveDataQueue.put(self.destination)
def bm_command_version(self):
"""
Incoming version.
Parse and log, remember important things, like streams, bitfields, etc.
"""
decoded = self.decode_payload_content("IQQiiQlslv")
(self.remoteProtocolVersion, self.services, self.timestamp,
self.sockNode, self.peerNode, self.nonce,
self.userAgent) = decoded[:7]
self.streams = decoded[7:]
self.nonce = struct.pack('>Q', self.nonce)
self.timeOffset = self.timestamp - int(time.time())
logger.debug('remoteProtocolVersion: %i', self.remoteProtocolVersion)
logger.debug('services: 0x%08X', self.services)
logger.debug('time offset: %i', self.timeOffset)
logger.debug('my external IP: %s', self.sockNode.host)
logger.debug('remote node incoming address: %s:%i',
self.destination.host, self.peerNode.port)
logger.debug('user agent: %s', self.userAgent)
logger.debug('streams: [%s]', ','.join(map(str, self.streams)))
if not self.peerValidityChecks():
# ABORT afterwards
return True
self.append_write_buf(protocol.CreatePacket('verack'))
self.verackSent = True
if not self.isOutbound:
self.append_write_buf(
protocol.assembleVersionMessage(
self.destination.host,
self.destination.port,
connectionpool.BMConnectionPool().streams,
True,
nodeid=self.nodeid))
logger.debug('%(host)s:%(port)i sending version',
self.destination._asdict())
if ((self.services & protocol.NODE_SSL == protocol.NODE_SSL)
and protocol.haveSSL(not self.isOutbound)):
self.isSSL = True
if not self.verackReceived:
return True
self.set_state(
"tls_init" if self.isSSL else "connection_fully_established",
length=self.payloadLength,
expectBytes=0)
return False
def handle_connect(self):
"""Callback for TCP connection being established."""
try:
AdvancedDispatcher.handle_connect(self)
except socket.error as e:
# pylint: disable=protected-access
if e.errno in asyncore._DISCONNECTED:
logger.debug(
'%s:%i: Connection failed: %s',
self.destination.host, self.destination.port, e)
return
self.nodeid = randomBytes(8)
self.append_write_buf(
protocol.assembleVersionMessage(
self.destination.host, self.destination.port,
connectionpool.BMConnectionPool().streams,
False, nodeid=self.nodeid))
self.connectedAt = time.time()
receiveDataQueue.put(self.destination)
def sendversion(self):
logger.debug('Sending version message')
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleVersionMessage(
self.peer.host, self.peer.port, state.streamsInWhichIAmParticipating, not self.initiatedConnection)))
