def loadKnownNodes():
try:
# We shouldn't have to use the knownnodes.knownNodesLock because this had
# better be the only thread accessing knownNodes right now.
pickleFile = open(state.appdata + 'knownnodes.dat', 'rb')
loadedKnownNodes = pickle.load(pickleFile)
pickleFile.close()
# The old format of storing knownNodes was as a 'host: (port, time)'
# mapping. The new format is as 'Peer: time' pairs. If we loaded
# data in the old format, transform it to the new style.
for stream, nodes in loadedKnownNodes.items():
knownNodes[stream] = {}
for node_tuple in nodes.items():
try:
host, (port, lastseen) = node_tuple
peer = state.Peer(host, port)
except:
peer, lastseen = node_tuple
knownNodes[stream][peer] = lastseen
except:
createDefaultKnownNodes(state.appdata)
# your own onion address, if setup
if BMConfigParser().has_option(
'bitmessagesettings',
'onionhostname') and ".onion" in BMConfigParser().get(
'bitmessagesettings', 'onionhostname'):
knownNodes[1][state.Peer(
BMConfigParser().get('bitmessagesettings', 'onionhostname'),
BMConfigParser().getint('bitmessagesettings',
'onionport'))] = int(time.time())
if BMConfigParser().getint('bitmessagesettings', 'settingsversion') > 10:
logger.error(
'Bitmessage cannot read future versions of the keys file (keys.dat). Run the newer version of Bitmessage.'
)
raise SystemExit
def __init__(self, host=None, sock=None, announcing=False):
super(BMProto, self).__init__(sock=sock)
self.verackReceived = True
self.verackSent = True
# TODO sort out streams
self.streams = [1]
self.fullyEstablished = True
self.connectedAt = 0
self.skipUntil = 0
if sock is None:
if host is None:
host = ''
if ":" in host:
self.create_socket(socket.AF_INET6, socket.SOCK_DGRAM)
else:
self.create_socket(socket.AF_INET, socket.SOCK_DGRAM)
self.set_socket_reuse()
logger.info("Binding UDP socket to %s:%i", host, UDPSocket.port)
self.socket.bind((host, UDPSocket.port))
#BINDTODEVICE is only available on linux and requires root
#try:
#print "binding to %s" % (host)
#self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_BINDTODEVICE, host)
#except AttributeError:
else:
self.socket = sock
self.set_socket_reuse()
self.listening = state.Peer(self.socket.getsockname()[0], self.socket.getsockname()[1])
self.destination = state.Peer(self.socket.getsockname()[0], self.socket.getsockname()[1])
ObjectTracker.__init__(self)
self.connecting = False
self.connected = True
self.announcing = announcing
self.set_state("bm_header", expectBytes=protocol.Header.size)
def __init__(self, host=None, sock=None, announcing=False):
super(BMProto, self).__init__(sock=sock)
self.verackReceived = True
self.verackSent = True
# TODO sort out streams
self.streams = [1]
self.fullyEstablished = True
self.connectedAt = 0
self.skipUntil = 0
if sock is None:
if host is None:
host = ''
self.create_socket(
socket.AF_INET6 if ":" in host else socket.AF_INET,
socket.SOCK_DGRAM)
self.set_socket_reuse()
logger.info("Binding UDP socket to %s:%i", host, self.port)
self.socket.bind((host, self.port))
else:
self.socket = sock
self.set_socket_reuse()
self.listening = state.Peer(*self.socket.getsockname())
self.destination = state.Peer(*self.socket.getsockname())
ObjectTracker.__init__(self)
self.connecting = False
self.connected = True
self.announcing = announcing
self.set_state("bm_header", expectBytes=protocol.Header.size)
def bm_command_addr(self):
# BMProto.bm_command_object(self)
addresses = self._decode_addr()
# only allow peer discovery from private IPs in order to avoid attacks from random IPs on the internet
if not self.local:
return True
remoteport = False
for i in addresses:
seenTime, stream, services, ip, port = i
decodedIP = protocol.checkIPAddress(ip)
if stream not in state.streamsInWhichIAmParticipating:
continue
if seenTime < time.time(
) - BMProto.maxTimeOffset or seenTime > time.time(
) + BMProto.maxTimeOffset:
continue
if decodedIP is False:
# if the address isn't local, interpret it as the hosts' own announcement
remoteport = port
if remoteport is False:
return True
logger.debug("received peer discovery from %s:%i (port %i):",
self.destination.host, self.destination.port, remoteport)
if self.local:
state.discoveredPeers[state.Peer(self.destination.host,
remoteport)] = time.time()
return True
def __init__(self, sendDataThreadQueue, sock, HOST, PORT, streamNumber):
threading.Thread.__init__(self, name="sendData")
self.sendDataThreadQueue = sendDataThreadQueue
state.sendDataQueues.append(self.sendDataThreadQueue)
self.data = ''
self.objectHashHolderInstance = objectHashHolder(
self.sendDataThreadQueue)
self.objectHashHolderInstance.daemon = True
self.objectHashHolderInstance.start()
self.connectionIsOrWasFullyEstablished = False
self.sock = sock
self.peer = state.Peer(HOST, PORT)
self.name = "sendData-" + self.peer.host.replace(
":", ".") # log parser field separator
self.streamNumber = []
self.services = 0
self.buffer = ""
self.initiatedConnection = False
self.remoteProtocolVersion = - \
1 # This must be set using setRemoteProtocolVersion command which is sent through the self.sendDataThreadQueue queue.
self.lastTimeISentData = int(
time.time()
) # If this value increases beyond five minutes ago, we'll send a pong message to keep the connection alive.
if streamNumber == -1: # This was an incoming connection.
self.initiatedConnection = False
else:
self.initiatedConnection = True
def __init__(self, sock, HOST, port, streamNumber, sendDataThreadQueue, objectHashHolderInstance):
threading.Thread.__init__(self, name="receiveData")
self.data = ''
self.verackSent = False
self.verackReceived = False
self.addrReceived = False
self.sock = sock
self.peer = state.Peer(HOST, port)
self.name = "receiveData-" + self.peer.host.replace(":", ".") # ":" log parser field separator
self.streamNumber = state.streamsInWhichIAmParticipating
self.remoteStreams = []
self.sendDataThreadQueue = sendDataThreadQueue # used to send commands and data to the sendDataThread
self.hostIdent = self.peer.port if ".onion" in BMConfigParser().get('bitmessagesettings', 'onionhostname') and protocol.checkSocksIP(self.peer.host) else self.peer.host
shared.connectedHostsList[
self.hostIdent] = 0 # The very fact that this receiveData thread exists shows that we are connected to the remote host. Let's add it to this list so that an outgoingSynSender thread doesn't try to connect to it.
self.connectionIsOrWasFullyEstablished = False # set to true after the remote node and I accept each other's version messages. This is needed to allow the user interface to accurately reflect the current number of connections.
self.services = 0
if streamNumber == -1: # This was an incoming connection. Send out a version message if we accept the other node's version message.
self.initiatedConnection = False
else:
self.initiatedConnection = True
for stream in self.streamNumber:
shared.selfInitiatedConnections.setdefault(stream, {})[self] = 0
self.objectHashHolderInstance = objectHashHolderInstance
self.downloadQueue = PendingDownloadQueue()
self.startTime = time.time()
def bm_command_addr(self):
addresses = self._decode_addr()
for i in addresses:
seenTime, stream, services, ip, port = i
decodedIP = protocol.checkIPAddress(str(ip))
if stream not in state.streamsInWhichIAmParticipating:
continue
if decodedIP is not False and seenTime > time.time(
) - BMProto.addressAlive:
peer = state.Peer(decodedIP, port)
try:
if knownnodes.knownNodes[stream][peer][
"lastseen"] > seenTime:
continue
except KeyError:
pass
if len(knownnodes.knownNodes[stream]) < int(
BMConfigParser().get("knownnodes", "maxnodes")):
with knownnodes.knownNodesLock:
try:
knownnodes.knownNodes[stream][peer][
"lastseen"] = seenTime
except (TypeError, KeyError):
knownnodes.knownNodes[stream][peer] = {
"lastseen": seenTime,
"rating": 0,
"self": False,
}
addrQueue.put((stream, peer, self.destination))
return True
def readKnownNodes():
try:
with open(state.appdata + 'knownnodes.dat', 'rb') as source:
with knownNodesLock:
try:
json_deserialize_knownnodes(source)
except ValueError:
source.seek(0)
pickle_deserialize_old_knownnodes(source)
except (IOError, OSError, KeyError, EOFError):
logger.debug('Failed to read nodes from knownnodes.dat', exc_info=True)
createDefaultKnownNodes()
config = BMConfigParser()
# if config.safeGetInt('lmessagesettings', 'settingsversion') > 10:
# sys.exit(
# 'LMessage cannot read future versions of the keys file'
# ' (keys.dat). Run the newer version of LMessage.')
# your own onion address, if setup
onionhostname = config.safeGet('lmessagesettings', 'onionhostname')
if onionhostname and ".onion" in onionhostname:
onionport = config.safeGetInt('lmessagesettings', 'onionport')
if onionport:
addKnownNode(1, state.Peer(onionhostname, onionport), is_self=True)
def knownNodes():
try:
with open(state.appdata + 'knownnodes.dat', 'rb') as pickleFile:
with knownnodes.knownNodesLock:
knownnodes.knownNodes = pickle.load(pickleFile)
# the old format was {Peer:lastseen, ...}
# the new format is {Peer:{"lastseen":i, "rating":f}}
for stream in knownnodes.knownNodes.keys():
for node, params in knownnodes.knownNodes[stream].items():
if isinstance(params, (float, int)):
addKnownNode(stream, node, params)
except:
knownnodes.knownNodes = defaultKnownNodes.createDefaultKnownNodes(
state.appdata)
# your own onion address, if setup
if BMConfigParser().has_option(
'bitmessagesettings',
'onionhostname') and ".onion" in BMConfigParser().get(
'bitmessagesettings', 'onionhostname'):
addKnownNode(1,
state.Peer(
BMConfigParser().get('bitmessagesettings',
'onionhostname'),
BMConfigParser().getint('bitmessagesettings',
'onionport')),
self=True)
if BMConfigParser().getint('bitmessagesettings', 'settingsversion') > 10:
logger.error(
'Bitmessage cannot read future versions of the keys file (keys.dat). Run the newer version of Bitmessage.'
)
raise SystemExit
def try_add_known_node(stream, addr, port, method=''):
try:
socket.inet_aton(addr)
except (TypeError, socket.error):
return
logger.info('Adding %s to knownNodes based on %s DNS bootstrap method',
addr, method)
addKnownNode(stream, state.Peer(addr, port))
def __init__(self, host='127.0.0.1', port=8444):
if not hasattr(self, '_map'):
AdvancedDispatcher.__init__(self)
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.set_reuse_addr()
self.bind((host, port))
self.destination = state.Peer(host, port)
self.listen(5)
def json_deserialize_knownnodes(source):
"""
Read JSON from source and make knownnodes dict
"""
for node in json.load(source):
peer = node['peer']
peer['host'] = str(peer['host'])
knownNodes[node['stream']][state.Peer(**peer)] = node['info']
def _loadTrustedPeer():
try:
trustedPeer = BMConfigParser().get('bitmessagesettings', 'trustedpeer')
except ConfigParser.Error:
# This probably means the trusted peer wasn't specified so we
# can just leave it as None
return
host, port = trustedPeer.split(':')
state.trustedPeer = state.Peer(host, int(port))
def announceSelf(self):
for connection in BMConnectionPool().udpSockets.values():
if not connection.announcing:
continue
for stream in state.streamsInWhichIAmParticipating:
addr = (stream,
state.Peer(
'127.0.0.1',
BMConfigParser().safeGetInt(
"lmessagesettings", "port")), time.time())
connection.append_write_buf(BMProto.assembleAddr([addr]))
def _loadTrustedPeer():
try:
trustedPeer = BMConfigParser().get('bitmessagesettings', 'trustedpeer')
except ConfigParser.Error:
# This probably means the trusted peer wasn't specified so we
# can just leave it as None
return
try:
host, port = trustedPeer.split(':')
except ValueError:
sys.exit('Bad trustedpeer config setting! It should be set as'
' trustedpeer=<hostname>:<portnumber>')
state.trustedPeer = state.Peer(host, int(port))
def json_deserialize_knownnodes(source):
"""
Read JSON from source and make knownnodes dict
"""
global knownNodesActual # pylint: disable=global-statement
for node in json.load(source):
peer = node['peer']
info = node['info']
peer = state.Peer(str(peer['host']), peer.get('port', 8444))
knownNodes[node['stream']][peer] = info
if (not (knownNodesActual or info.get('is_self'))
and peer not in DEFAULT_NODES
and peer not in DEFAULT_NODES_ONION):
knownNodesActual = True
def __init__(self, address=None, sock=None):
BMProto.__init__(self, address=address, sock=sock)
self.verackReceived = False
self.verackSent = False
self.streams = [0]
self.fullyEstablished = False
self.connectedAt = 0
self.skipUntil = 0
if address is None and sock is not None:
self.destination = state.Peer(sock.getpeername()[0],
sock.getpeername()[1])
self.isOutbound = False
TLSDispatcher.__init__(self, sock, server_side=True)
self.connectedAt = time.time()
logger.debug("Received connection from %s:%i",
self.destination.host, self.destination.port)
self.nodeid = randomBytes(8)
elif address is not None and sock is not None:
TLSDispatcher.__init__(self, sock, server_side=False)
self.isOutbound = True
logger.debug("Outbound proxy connection to %s:%i",
self.destination.host, self.destination.port)
else:
self.destination = address
self.isOutbound = True
if ":" in address.host:
self.create_socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
TLSDispatcher.__init__(self, sock, server_side=False)
self.connect(self.destination)
logger.debug("Connecting to %s:%i", self.destination.host,
self.destination.port)
encodedAddr = protocol.encodeHost(self.destination.host)
if protocol.checkIPAddress(
encodedAddr,
True) and not protocol.checkSocksIP(self.destination.host):
self.local = True
else:
self.local = False
#shared.connectedHostsList[self.destination] = 0
ObjectTracker.__init__(self)
UISignalQueue.put(('updateNetworkStatusTab', 'no data'))
self.bm_proto_reset()
self.set_state("bm_header", expectBytes=protocol.Header.size)
def handle_accept(self):
pair = self.accept()
if pair is not None:
sock, addr = pair
state.ownAddresses[state.Peer(sock.getsockname()[0],
sock.getsockname()[1])] = True
if len(network.connectionpool.BMConnectionPool().inboundConnections) + \
len(network.connectionpool.BMConnectionPool().outboundConnections) > \
BMConfigParser().safeGetInt("bitmessagesettings", "maxtotalconnections") + \
BMConfigParser().safeGetInt("bitmessagesettings", "maxbootstrapconnections"):
sock.close()
return
try:
network.connectionpool.BMConnectionPool().addConnection(
TCPConnection(sock=sock))
except socket.error:
pass
def _getPeer(self):
# If the user has specified a trusted peer then we'll only
# ever connect to that. Otherwise we'll pick a random one from
# the known nodes
if state.trustedPeer:
with knownnodes.knownNodesLock:
peer = state.trustedPeer
knownnodes.knownNodes[self.streamNumber][peer] = time.time()
else:
while not self._stopped:
try:
with knownnodes.knownNodesLock:
peer, = random.sample(
knownnodes.knownNodes[self.streamNumber], 1)
priority = (
183600 -
(time.time() -
knownnodes.knownNodes[self.streamNumber][peer])
) / 183600 # 2 days and 3 hours
except ValueError: # no known nodes
self.stop.wait(1)
continue
if BMConfigParser().get('bitmessagesettings',
'socksproxytype') != 'none':
if peer.host.find(".onion") == -1:
priority /= 10 # hidden services have 10x priority over plain net
else:
# don't connect to self
if peer.host == BMConfigParser().get(
'bitmessagesettings', 'onionhostname'
) and peer.port == BMConfigParser().getint(
"bitmessagesettings", "onionport"):
continue
elif peer.host.find(
".onion") != -1: # onion address and so proxy
continue
if priority <= 0.001: # everyone has at least this much priority
priority = 0.001
if (random.random() <= priority):
break
self.stop.wait(
0.01) # prevent CPU hogging if something is broken
try:
return peer
except NameError:
return state.Peer('127.0.0.1', 8444)
def handle_read(self):
try:
(recdata, addr) = self.socket.recvfrom(AdvancedDispatcher._buf_len)
except socket.error as e:
logger.error("socket error: %s", str(e))
return
self.destination = state.Peer(addr[0], addr[1])
encodedAddr = protocol.encodeHost(addr[0])
# if protocol.checkIPAddress(encodedAddr, True):
# self.local = True
# else:
# self.local = False
# overwrite the old buffer to avoid mixing data and so that self.local works correctly
self.read_buf[0:] = recdata
self.bm_proto_reset()
receiveDataQueue.put(self.listening)
def createDefaultKnownNodes(appdata):
stream1 = {}
stream1[state.Peer('5.45.99.75', 8444)] = int(time.time())
stream1[state.Peer('75.167.159.54', 8444)] = int(time.time())
stream1[state.Peer('95.165.168.168', 8444)] = int(time.time())
stream1[state.Peer('85.180.139.241', 8444)] = int(time.time())
stream1[state.Peer('158.222.217.190', 8080)] = int(time.time())
stream1[state.Peer('178.62.12.187', 8448)] = int(time.time())
stream1[state.Peer('24.188.198.204', 8111)] = int(time.time())
stream1[state.Peer('109.147.204.113', 1195)] = int(time.time())
stream1[state.Peer('178.11.46.221', 8444)] = int(time.time())
stream2 = {}
stream3 = {}
knownNodes[1] = stream1
knownNodes[2] = stream2
knownNodes[3] = stream3
with open(appdata + 'knownnodes.dat', 'wb') as output:
pickle.dump(knownNodes, output)
def setup(self, sock, HOST, PORT, streamNumber):
self.sock = sock
self.peer = state.Peer(HOST, PORT)
self.name = "sendData-" + self.peer.host.replace(
":", ".") # log parser field separator
self.streamNumber = []
self.services = 0
self.buffer = ""
self.initiatedConnection = False
self.remoteProtocolVersion = - \
1 # This must be set using setRemoteProtocolVersion command which is sent through the self.sendDataThreadQueue queue.
self.lastTimeISentData = int(
time.time()
) # If this value increases beyond five minutes ago, we'll send a pong message to keep the connection alive.
if streamNumber == -1: # This was an incoming connection.
self.initiatedConnection = False
else:
self.initiatedConnection = True
def processonion(data):
"""Process onionpeer object"""
readPosition = 20 # bypass the nonce, time, and object type
length = decodeVarint(data[readPosition:readPosition + 10])[1]
readPosition += length
stream, length = decodeVarint(data[readPosition:readPosition + 10])
readPosition += length
# it seems that stream is checked in network.bmproto
port, length = decodeVarint(data[readPosition:readPosition + 10])
host = protocol.checkIPAddress(data[readPosition + length:])
if not host:
return
peer = state.Peer(host, port)
with knownnodes.knownNodesLock:
knownnodes.addKnownNode(stream,
peer,
is_self=state.ownAddresses.get(peer))
def handle_accept(self):
pair = self.accept()
if pair is not None:
sock, addr = pair
state.ownAddresses[state.Peer(sock.getsockname()[0], sock.getsockname()[1])] = True
if len(network.connectionpool.BMConnectionPool().inboundConnections) + \
len(network.connectionpool.BMConnectionPool().outboundConnections) > \
BMConfigParser().safeGetInt("bitmessagesettings", "maxtotalconnections") + \
BMConfigParser().safeGetInt("bitmessagesettings", "maxbootstrapconnections") + 10:
# 10 is a sort of buffer, in between it will go through the version handshake
# and return an error to the peer
logger.warning("Server full, dropping connection")
sock.close()
return
try:
network.connectionpool.BMConnectionPool().addConnection(TCPConnection(sock=sock))
except socket.error:
pass
def pickle_knownnodes():
now = time.time()
with open(knownnodes_file, 'wb') as dst:
pickle.dump(
{
stream: {
state.Peer(
'%i.%i.%i.%i' %
tuple([random.randint(1, 255)
for i in range(4)]), 8444): {
'lastseen': now,
'rating': 0.1
}
for i in range(1, 4) # 3 test nodes
}
for stream in range(1, 4) # 3 test streams
},
dst)
def createDefaultKnownNodes(appdata):
############## Stream 1 ################
stream1 = {}
#stream1[state.Peer('2604:2000:1380:9f:82e:148b:2746:d0c7', 8080)] = int(time.time())
stream1[state.Peer('5.45.99.75', 8444)] = int(time.time())
stream1[state.Peer('75.167.159.54', 8444)] = int(time.time())
stream1[state.Peer('95.165.168.168', 8444)] = int(time.time())
stream1[state.Peer('85.180.139.241', 8444)] = int(time.time())
stream1[state.Peer('158.222.211.81', 8080)] = int(time.time())
stream1[state.Peer('178.62.12.187', 8448)] = int(time.time())
stream1[state.Peer('24.188.198.204', 8111)] = int(time.time())
stream1[state.Peer('109.147.204.113', 1195)] = int(time.time())
stream1[state.Peer('178.11.46.221', 8444)] = int(time.time())
############# Stream 2 #################
stream2 = {}
# None yet
############# Stream 3 #################
stream3 = {}
# None yet
allKnownNodes = {}
allKnownNodes[1] = stream1
allKnownNodes[2] = stream2
allKnownNodes[3] = stream3
#print stream1
#print allKnownNodes
with open(appdata + 'knownnodes.dat', 'wb') as output:
# Pickle dictionary using protocol 0.
pickle.dump(allKnownNodes, output)
return allKnownNodes
def removeConnection(self, connection):
if isinstance(connection, UDPSocket):
del self.udpSockets[connection.listening.host]
elif isinstance(connection, TCPServer):
del self.listeningSockets[state.Peer(connection.destination.host, connection.destination.port)]
elif connection.isOutbound:
try:
del self.outboundConnections[connection.destination]
except KeyError:
pass
else:
try:
del self.inboundConnections[connection.destination]
except KeyError:
try:
del self.inboundConnections[connection.destination.host]
except KeyError:
pass
connection.close()
def __init__(self, host='127.0.0.1', port=8444):
if not hasattr(self, '_map'):
AdvancedDispatcher.__init__(self)
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.set_reuse_addr()
for attempt in range(50):
try:
if attempt > 0:
port = random.randint(32767, 65535)
self.bind((host, port))
except socket.error as e:
if e.errno in (asyncore.EADDRINUSE, asyncore.WSAEADDRINUSE):
continue
else:
if attempt > 0:
BMConfigParser().set("bitmessagesettings", "port", str(port))
BMConfigParser().save()
break
self.destination = state.Peer(host, port)
self.bound = True
self.listen(5)
def readKnownNodes():
try:
with open(state.appdata + 'knownnodes.dat', 'rb') as source:
with knownNodesLock:
try:
json_deserialize_knownnodes(source)
except ValueError:
source.seek(0)
pickle_deserialize_old_knownnodes(source)
except (IOError, OSError, KeyError, EOFError):
logger.debug('Failed to read nodes from knownnodes.dat', exc_info=True)
createDefaultKnownNodes()
config = BMConfigParser()
# your own onion address, if setup
onionhostname = config.safeGet('bitmessagesettings', 'onionhostname')
if onionhostname and ".onion" in onionhostname:
onionport = config.safeGetInt('bitmessagesettings', 'onionport')
if onionport:
self_peer = state.Peer(onionhostname, onionport)
addKnownNode(1, self_peer, is_self=True)
state.ownAddresses[self_peer] = 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