def peerValidityChecks(self):
if self.remoteProtocolVersion < 3:
self.sendDataThreadQueue.put((0, 'sendRawData',protocol.assembleErrorMessage(
fatal=2, errorText="Your is using an old protocol. Closing connection.")))
logger.debug ('Closing connection to old protocol version ' + str(self.remoteProtocolVersion) + ' node: ' + str(self.peer))
return False
if self.timeOffset > 3600:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(
fatal=2, errorText="Your time is too far in the future compared to mine. Closing connection.")))
logger.info("%s's time is too far in the future (%s seconds). Closing connection to it.", self.peer, self.timeOffset)
shared.timeOffsetWrongCount += 1
time.sleep(2)
return False
elif self.timeOffset < -3600:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(
fatal=2, errorText="Your time is too far in the past compared to mine. Closing connection.")))
logger.info("%s's time is too far in the past (timeOffset %s seconds). Closing connection to it.", self.peer, self.timeOffset)
shared.timeOffsetWrongCount += 1
return False
else:
shared.timeOffsetWrongCount = 0
if len(self.streamNumber) == 0:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(
fatal=2, errorText="We don't have shared stream interests. Closing connection.")))
logger.debug ('Closed connection to ' + str(self.peer) + ' because there is no overlapping interest in streams.')
return False
return True
def validatePeer(self):
if self.remoteProtocolVersion < 3:
self.sendDataThreadQueue.put((0, 'sendRawData',protocol.assembleErrorMessage(
fatal=2, errorText="Your is using an old protocol. Closing connection.")))
logger.debug ('Closing connection to old protocol version ' + str(self.remoteProtocolVersion) + ' node: ' + str(self.peer))
return False
if self.timeOffset > 3600:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(
fatal=2, errorText="Your time is too far in the future compared to mine. Closing connection.")))
logger.info("%s's time is too far in the future (%s seconds). Closing connection to it.", self.peer, self.timeOffset)
shared.timeOffsetWrongCount += 1
time.sleep(2)
return False
elif self.timeOffset < -3600:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(
fatal=2, errorText="Your time is too far in the past compared to mine. Closing connection.")))
logger.info("%s's time is too far in the past (timeOffset %s seconds). Closing connection to it.", self.peer, self.timeOffset)
shared.timeOffsetWrongCount += 1
return False
else:
shared.timeOffsetWrongCount = 0
if len(self.streamNumber) == 0:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(
fatal=2, errorText="We don't have shared stream interests. Closing connection.")))
logger.debug ('Closed connection to ' + str(self.peer) + ' because there is no overlapping interest in streams.')
return False
if self.remoteNodeId == protocol.ServerNodeId:
logger.debug('Closing connection to myself: ' + str(self.peer))
return False
return True
def connectionFullyEstablished(self):
if self.connectionIsOrWasFullyEstablished:
# there is no reason to run this function a second time
return
if not self.sslHandshake():
return
if self.peerValidityChecks() == False:
time.sleep(2)
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
self.checkTimeOffsetNotification()
return
self.connectionIsOrWasFullyEstablished = True
shared.timeOffsetWrongCount = 0
# Command the corresponding sendDataThread to set its own connectionIsOrWasFullyEstablished variable to True also
self.sendDataThreadQueue.put((0, 'connectionIsOrWasFullyEstablished', (self.services, self.sslSock)))
if not self.initiatedConnection:
shared.clientHasReceivedIncomingConnections = True
queues.UISignalQueue.put(('setStatusIcon', 'green'))
self.sock.settimeout(
600) # We'll send out a ping every 5 minutes to make sure the connection stays alive if there has been no other traffic to send lately.
queues.UISignalQueue.put(('updateNetworkStatusTab', 'no data'))
logger.debug('Connection fully established with ' + str(self.peer) + "\n" + \
'The size of the connectedHostsList is now ' + str(len(shared.connectedHostsList)) + "\n" + \
'The length of sendDataQueues is now: ' + str(len(state.sendDataQueues)) + "\n" + \
'broadcasting addr from within connectionFullyEstablished function.')
if self.initiatedConnection:
state.networkProtocolAvailability[protocol.networkType(self.peer.host)] = True
# we need to send our own objects to this node
PendingUpload().add()
# Let all of our peers know about this new node.
for stream in self.remoteStreams:
dataToSend = (int(time.time()), stream, self.services, self.peer.host, self.remoteNodeIncomingPort)
protocol.broadcastToSendDataQueues((
stream, 'advertisepeer', dataToSend))
self.sendaddr() # This is one large addr message to this one peer.
if len(shared.connectedHostsList) > \
BMConfigParser().safeGetInt("bitmessagesettings", "maxtotalconnections", 200):
logger.info ('We are connected to too many people. Closing connection.')
if self.initiatedConnection:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(fatal=2, errorText="Thank you for providing a listening node.")))
else:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(fatal=2, errorText="Server full, please try again later.")))
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
return
self.sendBigInv()
def connectionFullyEstablished(self):
if self.connectionIsOrWasFullyEstablished:
# there is no reason to run this function a second time
return
if ((self.services & protocol.NODE_SSL == protocol.NODE_SSL) and
protocol.haveSSL(not self.initiatedConnection)):
try:
self.sslHandshake()
except socket.error as ex:
logger.error("SSL socket handshake failed, shutting down connection", exc_info=(type(ex), ex, None))
self.sendDataThreadQueue.put((0, 'shutdown', None))
return
self.connectionIsOrWasFullyEstablished = True
shared.timeOffsetWrongCount = 0
# Command the corresponding sendDataThread to set its own connectionIsOrWasFullyEstablished variable to True also
self.sendDataThreadQueue.put((0, 'connectionIsOrWasFullyEstablished', (self.services, self.sock)))
if not self.initiatedConnection:
shared.clientHasReceivedIncomingConnections = True
queues.UISignalQueue.put(('setStatusIcon', 'green'))
self.sock.settimeout(
600) # We'll send out a ping every 5 minutes to make sure the connection stays alive if there has been no other traffic to send lately.
queues.UISignalQueue.put(('updateNetworkStatusTab', 'no data'))
logger.debug('Connection fully established with ' + str(self.peer) + "\n" + \
'The size of the connectedHostsList is now ' + str(len(shared.connectedHostsList)) + "\n" + \
'The length of sendDataQueues is now: ' + str(len(state.sendDataQueues)) + "\n" + \
'broadcasting addr from within connectionFullyEstablished function.')
if self.initiatedConnection:
state.networkProtocolAvailability[protocol.networkType(self.peer.host)] = True
# we need to send our own objects to this node
PendingUpload().add()
self.sendaddr() # This is one large addr message to this one peer.
if len(shared.connectedHostsList) > \
BMConfigParser().safeGetInt("bitmessagesettings", "maxtotalconnections", 200):
logger.info ('We are connected to too many people. Closing connection.')
if self.initiatedConnection:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(fatal=2, errorText="Thank you for providing a listening node.")))
else:
self.sendDataThreadQueue.put((0, 'sendRawData', protocol.assembleErrorMessage(fatal=2, errorText="Server full, please try again later.")))
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
return
self.sendBigInv()
def peerValidityChecks(self):
if self.remoteProtocolVersion < 3:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your is using an old protocol. Closing connection."))
logger.debug ('Closing connection to old protocol version %s, node: %s',
str(self.remoteProtocolVersion), str(self.destination))
return False
if self.timeOffset > BMProto.maxTimeOffset:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your time is too far in the future compared to mine. Closing connection."))
logger.info("%s's time is too far in the future (%s seconds). Closing connection to it.",
self.destination, self.timeOffset)
shared.timeOffsetWrongCount += 1
return False
elif self.timeOffset < -BMProto.maxTimeOffset:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your time is too far in the past compared to mine. Closing connection."))
logger.info("%s's time is too far in the past (timeOffset %s seconds). Closing connection to it.",
self.destination, self.timeOffset)
shared.timeOffsetWrongCount += 1
return False
else:
shared.timeOffsetWrongCount = 0
if not self.streams:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="We don't have shared stream interests. Closing connection."))
logger.debug ('Closed connection to %s because there is no overlapping interest in streams.',
str(self.destination))
return False
if self.destination in network.connectionpool.BMConnectionPool().inboundConnections:
try:
if not protocol.checkSocksIP(self.destination.host):
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Too many connections from your IP. Closing connection."))
logger.debug ('Closed connection to %s because we are already connected to that IP.',
str(self.destination))
return False
except:
pass
if network.connectionpool.BMConnectionPool().isAlreadyConnected(self.nonce):
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="I'm connected to myself. Closing connection."))
logger.debug ("Closed connection to %s because I'm connected to myself.",
str(self.destination))
return False
return True
def peerValidityChecks(self):
if self.remoteProtocolVersion < 3:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your is using an old protocol. Closing connection."))
logger.debug ('Closing connection to old protocol version %s, node: %s',
str(self.remoteProtocolVersion), str(self.destination))
return False
if self.timeOffset > BMProto.maxTimeOffset:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your time is too far in the future compared to mine. Closing connection."))
logger.info("%s's time is too far in the future (%s seconds). Closing connection to it.",
self.destination, self.timeOffset)
shared.timeOffsetWrongCount += 1
return False
elif self.timeOffset < -BMProto.maxTimeOffset:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your time is too far in the past compared to mine. Closing connection."))
logger.info("%s's time is too far in the past (timeOffset %s seconds). Closing connection to it.",
self.destination, self.timeOffset)
shared.timeOffsetWrongCount += 1
return False
else:
shared.timeOffsetWrongCount = 0
if not self.streams:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="We don't have shared stream interests. Closing connection."))
logger.debug ('Closed connection to %s because there is no overlapping interest in streams.',
str(self.destination))
return False
if self.destination in network.connectionpool.BMConnectionPool().inboundConnections:
try:
if not protocol.checkSocksIP(self.destination.host):
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Too many connections from your IP. Closing connection."))
logger.debug ('Closed connection to %s because we are already connected to that IP.',
str(self.destination))
return False
except:
pass
if network.connectionpool.BMConnectionPool().isAlreadyConnected(self.nonce):
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="I'm connected to myself. Closing connection."))
logger.debug ("Closed connection to %s because I'm connected to myself.",
str(self.destination))
return False
return True
def peerValidityChecks(self):
if self.remoteProtocolVersion < 3:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your is using an old protocol. Closing connection."))
logger.debug ('Closing connection to old protocol version %s, node: %s',
str(self.remoteProtocolVersion), str(self.destination))
return False
if self.timeOffset > BMProto.maxTimeOffset:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your time is too far in the future compared to mine. Closing connection."))
logger.info("%s's time is too far in the future (%s seconds). Closing connection to it.",
self.destination, self.timeOffset)
shared.timeOffsetWrongCount += 1
return False
elif self.timeOffset < -BMProto.maxTimeOffset:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Your time is too far in the past compared to mine. Closing connection."))
logger.info("%s's time is too far in the past (timeOffset %s seconds). Closing connection to it.",
self.destination, self.timeOffset)
shared.timeOffsetWrongCount += 1
return False
else:
shared.timeOffsetWrongCount = 0
if not self.streams:
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="We don't have shared stream interests. Closing connection."))
logger.debug ('Closed connection to %s because there is no overlapping interest in streams.',
str(self.destination))
return False
if self.destination in network.connectionpool.BMConnectionPool().inboundConnections:
try:
if not protocol.checkSocksIP(self.destination.host):
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Too many connections from your IP. Closing connection."))
logger.debug ('Closed connection to %s because we are already connected to that IP.',
str(self.destination))
return False
except:
pass
if not self.isOutbound:
# incoming from a peer we're connected to as outbound, or server full
# report the same error to counter deanonymisation
if state.Peer(self.destination.host, self.peerNode.port) in \
network.connectionpool.BMConnectionPool().inboundConnections or \
len(network.connectionpool.BMConnectionPool().inboundConnections) + \
len(network.connectionpool.BMConnectionPool().outboundConnections) > \
BMConfigParser().safeGetInt("bitmessagesettings", "maxtotalconnections") + \
BMConfigParser().safeGetInt("bitmessagesettings", "maxbootstrapconnections"):
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="Server full, please try again later."))
logger.debug ("Closed connection to %s due to server full or duplicate inbound/outbound.",
str(self.destination))
return False
if network.connectionpool.BMConnectionPool().isAlreadyConnected(self.nonce):
self.append_write_buf(protocol.assembleErrorMessage(fatal=2,
errorText="I'm connected to myself. Closing connection."))
logger.debug ("Closed connection to %s because I'm connected to myself.",
str(self.destination))
return False
return True
def connectionFullyEstablished(self):
if self.connectionIsOrWasFullyEstablished:
# there is no reason to run this function a second time
return
if not self.sslHandshake():
return
if self.peerValidityChecks() == False:
time.sleep(2)
self.sendDataThreadQueue.put((0, 'shutdown', 'no data'))
self.checkTimeOffsetNotification()
return
self.connectionIsOrWasFullyEstablished = True
shared.timeOffsetWrongCount = 0
# Command the corresponding sendDataThread to set its own connectionIsOrWasFullyEstablished variable to True also
self.sendDataThreadQueue.put((0, 'connectionIsOrWasFullyEstablished',
(self.services, self.sslSock)))
if not self.initiatedConnection:
shared.clientHasReceivedIncomingConnections = True
queues.UISignalQueue.put(('setStatusIcon', 'green'))
self.sock.settimeout(
600
) # We'll send out a ping every 5 minutes to make sure the connection stays alive if there has been no other traffic to send lately.
queues.UISignalQueue.put(('updateNetworkStatusTab', 'no data'))
logger.debug('Connection fully established with ' + str(self.peer) + "\n" + \
'The size of the connectedHostsList is now ' + str(len(shared.connectedHostsList)) + "\n" + \
'The length of sendDataQueues is now: ' + str(len(state.sendDataQueues)) + "\n" + \
'broadcasting addr from within connectionFullyEstablished function.')
if self.initiatedConnection:
state.networkProtocolAvailability[protocol.networkType(
self.peer.host)] = True
# we need to send our own objects to this node
PendingUpload().add()
# Let all of our peers know about this new node.
for stream in self.remoteStreams:
dataToSend = (int(time.time()), stream, self.services,
self.peer.host, self.remoteNodeIncomingPort)
protocol.broadcastToSendDataQueues(
(stream, 'advertisepeer', dataToSend))
self.sendaddr() # This is one large addr message to this one peer.
if len(shared.connectedHostsList) > \
BMConfigParser().safeGetInt("bitmessagesettings", "maxtotalconnections", 200):
logger.info(
'We are connected to too many people. Closing connection.')
if self.initiatedConnection:
self.sendDataThreadQueue.put(
(0, 'sendRawData',
protocol.assembleErrorMessage(
fatal=2,
errorText="Thank you for providing a listening node.")
))
else:
self.sendDataThreadQueue.put(
(0, 'sendRawData',
protocol.assembleErrorMessage(
fatal=2,
errorText="Server full, please try again later.")))
self.sendDataThreadQueue.put((0, 'shutdown', 'no data'))
return
self.sendBigInv()
def peerValidityChecks(self):
"""Check the validity of the peer"""
if self.remoteProtocolVersion < 3:
self.append_write_buf(
protocol.assembleErrorMessage(
errorText=
"Your is using an old protocol. Closing connection.",
fatal=2))
logger.debug(
'Closing connection to old protocol version %s, node: %s',
self.remoteProtocolVersion, self.destination)
return False
if self.timeOffset > MAX_TIME_OFFSET:
self.append_write_buf(
protocol.assembleErrorMessage(
errorText="Your time is too far in the future"
" compared to mine. Closing connection.",
fatal=2))
logger.info(
"%s's time is too far in the future (%s seconds)."
" Closing connection to it.", self.destination,
self.timeOffset)
BMProto.timeOffsetWrongCount += 1
return False
elif self.timeOffset < -MAX_TIME_OFFSET:
self.append_write_buf(
protocol.assembleErrorMessage(
errorText=
"Your time is too far in the past compared to mine."
" Closing connection.",
fatal=2))
logger.info(
"%s's time is too far in the past (timeOffset %s seconds)."
" Closing connection to it.", self.destination,
self.timeOffset)
BMProto.timeOffsetWrongCount += 1
return False
else:
BMProto.timeOffsetWrongCount = 0
if not self.streams:
self.append_write_buf(
protocol.assembleErrorMessage(
errorText="We don't have shared stream interests."
" Closing connection.",
fatal=2))
logger.debug(
'Closed connection to %s because there is no overlapping'
' interest in streams.', self.destination)
return False
if self.destination in connectionpool.BMConnectionPool(
).inboundConnections:
try:
if not protocol.checkSocksIP(self.destination.host):
self.append_write_buf(
protocol.assembleErrorMessage(
errorText="Too many connections from your IP."
" Closing connection.",
fatal=2))
logger.debug(
'Closed connection to %s because we are already'
' connected to that IP.', self.destination)
return False
except Exception:
pass
if not self.isOutbound:
# incoming from a peer we're connected to as outbound,
# or server full report the same error to counter deanonymisation
if (Peer(self.destination.host, self.peerNode.port)
in connectionpool.BMConnectionPool().inboundConnections
or len(connectionpool.BMConnectionPool()) >
BMConfigParser().safeGetInt('bitmessagesettings',
'maxtotalconnections') +
BMConfigParser().safeGetInt('bitmessagesettings',
'maxbootstrapconnections')):
self.append_write_buf(
protocol.assembleErrorMessage(
errorText="Server full, please try again later.",
fatal=2))
logger.debug(
'Closed connection to %s due to server full'
' or duplicate inbound/outbound.', self.destination)
return False
if connectionpool.BMConnectionPool().isAlreadyConnected(self.nonce):
self.append_write_buf(
protocol.assembleErrorMessage(
errorText="I'm connected to myself. Closing connection.",
fatal=2))
logger.debug(
"Closed connection to %s because I'm connected to myself.",
self.destination)
return False
return True