def sendaddr(self):
addrsInMyStream = {}
addrsInChildStreamLeft = {}
addrsInChildStreamRight = {}
# print 'knownNodes', shared.knownNodes
# We are going to share a maximum number of 1000 addrs with our peer.
# 500 from this stream, 250 from the left child stream, and 250 from
# the right child stream.
shared.knownNodesLock.acquire()
if len(shared.knownNodes[self.streamNumber]) > 0:
for i in range(500):
peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
if helper_generic.isHostInPrivateIPRange(peer.host):
continue
addrsInMyStream[peer] = shared.knownNodes[
self.streamNumber][peer]
if len(shared.knownNodes[self.streamNumber * 2]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
self.streamNumber * 2], 1)
if helper_generic.isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamLeft[peer] = shared.knownNodes[
self.streamNumber * 2][peer]
if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
(self.streamNumber * 2) + 1], 1)
if helper_generic.isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamRight[peer] = shared.knownNodes[
(self.streamNumber * 2) + 1][peer]
shared.knownNodesLock.release()
numberOfAddressesInAddrMessage = 0
payload = ''
# print 'addrsInMyStream.items()', addrsInMyStream.items()
for (HOST, PORT), value in addrsInMyStream.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF' + \
socket.inet_aton(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamLeft.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber * 2)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF' + \
socket.inet_aton(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamRight.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', (self.streamNumber * 2) + 1)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF' + \
socket.inet_aton(HOST)
payload += pack('>H', PORT) # remote port
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
datatosend = '\xE9\xBE\xB4\xD9addr\x00\x00\x00\x00\x00\x00\x00\x00'
datatosend = datatosend + pack('>L', len(payload)) # payload length
datatosend = datatosend + hashlib.sha512(payload).digest()[0:4]
datatosend = datatosend + payload
self.sendDataThreadQueue.put((0, 'sendRawData', datatosend))
def sendaddr(self):
addrsInMyStream = {}
addrsInChildStreamLeft = {}
addrsInChildStreamRight = {}
# print 'knownNodes', shared.knownNodes
# We are going to share a maximum number of 1000 addrs with our peer.
# 500 from this stream, 250 from the left child stream, and 250 from
# the right child stream.
shared.knownNodesLock.acquire()
if len(shared.knownNodes[self.streamNumber]) > 0:
for i in range(500):
peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInMyStream[peer] = shared.knownNodes[self.streamNumber][peer]
if len(shared.knownNodes[self.streamNumber * 2]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[self.streamNumber * 2], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamLeft[peer] = shared.knownNodes[self.streamNumber * 2][peer]
if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[(self.streamNumber * 2) + 1], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamRight[peer] = shared.knownNodes[(self.streamNumber * 2) + 1][peer]
shared.knownNodesLock.release()
numberOfAddressesInAddrMessage = 0
payload = ""
# print 'addrsInMyStream.items()', addrsInMyStream.items()
for (HOST, PORT), value in addrsInMyStream.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(">Q", timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack(">I", self.streamNumber)
payload += pack(">q", 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack(">H", PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamLeft.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(">Q", timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack(">I", self.streamNumber * 2)
payload += pack(">q", 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack(">H", PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamRight.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(">Q", timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack(">I", (self.streamNumber * 2) + 1)
payload += pack(">q", 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack(">H", PORT) # remote port
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
self.sendDataThreadQueue.put((0, "sendRawData", shared.CreatePacket("addr", payload)))
def recversion(self, data):
if len(data) < 83:
# This version message is unreasonably short. Forget it.
return
if self.verackSent:
"""
We must have already processed the remote node's version message.
There might be a time in the future when we Do want to process
a new version message, like if the remote node wants to update
the streams in which they are interested. But for now we'll
ignore this version message
"""
return
self.remoteProtocolVersion, = unpack('>L', data[:4])
self.services, = unpack('>q', data[4:12])
if self.remoteProtocolVersion < 3:
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
logger.debug ('Closing connection to old protocol version ' + str(self.remoteProtocolVersion) + ' node: ' + str(self.peer))
return
timestamp, = unpack('>Q', data[12:20])
timeOffset = timestamp - int(time.time())
if timeOffset > 3600:
self.sendDataThreadQueue.put((0, 'sendRawData', shared.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, timeOffset))
time.sleep(2)
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
return
if timeOffset < -3600:
self.sendDataThreadQueue.put((0, 'sendRawData', shared.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, timeOffset))
time.sleep(2)
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
return
self.myExternalIP = socket.inet_ntoa(data[40:44])
# print 'myExternalIP', self.myExternalIP
self.remoteNodeIncomingPort, = unpack('>H', data[70:72])
# print 'remoteNodeIncomingPort', self.remoteNodeIncomingPort
useragentLength, lengthOfUseragentVarint = decodeVarint(
data[80:84])
readPosition = 80 + lengthOfUseragentVarint
useragent = data[readPosition:readPosition + useragentLength]
# version check
try:
userAgentName, userAgentVersion = useragent[1:-1].split(":", 2)
except:
userAgentName = useragent
userAgentVersion = "0.0.0"
if userAgentName == "PyBitmessage":
myVersion = [int(n) for n in shared.softwareVersion.split(".")]
try:
remoteVersion = [int(n) for n in userAgentVersion.split(".")]
except:
remoteVersion = 0
# remote is newer, but do not cross between stable and unstable
try:
if cmp(remoteVersion, myVersion) > 0 and \
(myVersion[1] % 2 == remoteVersion[1] % 2):
shared.UISignalQueue.put(('newVersionAvailable', remoteVersion))
except:
pass
readPosition += useragentLength
numberOfStreamsInVersionMessage, lengthOfNumberOfStreamsInVersionMessage = decodeVarint(
data[readPosition:])
readPosition += lengthOfNumberOfStreamsInVersionMessage
self.streamNumber, lengthOfRemoteStreamNumber = decodeVarint(
data[readPosition:])
logger.debug('Remote node useragent: ' + useragent + ' stream number:' + str(self.streamNumber) + ' time offset: ' + str(timeOffset) + ' seconds.')
if self.streamNumber != 1:
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
logger.debug ('Closed connection to ' + str(self.peer) + ' because they are interested in stream ' + str(self.streamNumber) + '.')
return
shared.connectedHostsList[
self.peer.host] = 1 # We use this data structure to not only keep track of what hosts we are connected to so that we don't try to connect to them again, but also to list the connections count on the Network Status tab.
# If this was an incoming connection, then the sendDataThread
# doesn't know the stream. We have to set it.
if not self.initiatedConnection:
self.sendDataThreadQueue.put((0, 'setStreamNumber', self.streamNumber))
if data[72:80] == shared.eightBytesOfRandomDataUsedToDetectConnectionsToSelf:
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
logger.debug('Closing connection to myself: ' + str(self.peer))
return
# The other peer's protocol version is of interest to the sendDataThread but we learn of it
# in this version message. Let us inform the sendDataThread.
self.sendDataThreadQueue.put((0, 'setRemoteProtocolVersion', self.remoteProtocolVersion))
if not isHostInPrivateIPRange(self.peer.host):
with shared.knownNodesLock:
shared.knownNodes[self.streamNumber][shared.Peer(self.peer.host, self.remoteNodeIncomingPort)] = int(time.time())
shared.needToWriteKnownNodesToDisk = True
self.sendverack()
if self.initiatedConnection == False:
self.sendversion()
def sendaddr(self):
addrsInMyStream = {}
addrsInChildStreamLeft = {}
addrsInChildStreamRight = {}
# print 'knownNodes', shared.knownNodes
# We are going to share a maximum number of 1000 addrs with our peer.
# 500 from this stream, 250 from the left child stream, and 250 from
# the right child stream.
with shared.knownNodesLock:
if len(shared.knownNodes[self.streamNumber]) > 0:
for i in range(500):
peer, = random.sample(shared.knownNodes[self.streamNumber],
1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInMyStream[peer] = shared.knownNodes[
self.streamNumber][peer]
if len(shared.knownNodes[self.streamNumber * 2]) > 0:
for i in range(250):
peer, = random.sample(
shared.knownNodes[self.streamNumber * 2], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamLeft[peer] = shared.knownNodes[
self.streamNumber * 2][peer]
if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
for i in range(250):
peer, = random.sample(
shared.knownNodes[(self.streamNumber * 2) + 1], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamRight[peer] = shared.knownNodes[
(self.streamNumber * 2) + 1][peer]
numberOfAddressesInAddrMessage = 0
payload = ''
# print 'addrsInMyStream.items()', addrsInMyStream.items()
for (HOST, PORT), value in addrsInMyStream.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) -
shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber)
payload += pack('>q',
1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamLeft.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) -
shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber * 2)
payload += pack('>q',
1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamRight.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) -
shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', (self.streamNumber * 2) + 1)
payload += pack('>q',
1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
self.sendDataThreadQueue.put(
(0, 'sendRawData', shared.CreatePacket('addr', payload)))
def recversion(self, data):
if len(data) < 83:
# This version message is unreasonably short. Forget it.
return
if self.verackSent:
"""
We must have already processed the remote node's version message.
There might be a time in the future when we Do want to process
a new version message, like if the remote node wants to update
the streams in which they are interested. But for now we'll
ignore this version message
"""
return
self.remoteProtocolVersion, = unpack('>L', data[:4])
self.services, = unpack('>q', data[4:12])
timestamp, = unpack('>Q', data[12:20])
self.timeOffset = timestamp - int(time.time())
self.myExternalIP = socket.inet_ntoa(data[40:44])
# print 'myExternalIP', self.myExternalIP
self.remoteNodeIncomingPort, = unpack('>H', data[70:72])
# print 'remoteNodeIncomingPort', self.remoteNodeIncomingPort
useragentLength, lengthOfUseragentVarint = decodeVarint(
data[80:84])
readPosition = 80 + lengthOfUseragentVarint
self.userAgent = data[readPosition:readPosition + useragentLength]
readPosition += useragentLength
numberOfStreamsInVersionMessage, lengthOfNumberOfStreamsInVersionMessage = decodeVarint(
data[readPosition:])
readPosition += lengthOfNumberOfStreamsInVersionMessage
self.remoteStreams = []
for i in xrange(numberOfStreamsInVersionMessage):
newStreamNumber, lengthOfRemoteStreamNumber = decodeVarint(data[readPosition:])
readPosition += lengthOfRemoteStreamNumber
self.remoteStreams.append(newStreamNumber)
logger.debug('Remote node useragent: %s, streams: (%s), time offset: %is.',
self.userAgent, ', '.join(str(x) for x in self.remoteStreams), self.timeOffset)
# find shared streams
self.streamNumber = sorted(set(state.streamsInWhichIAmParticipating).intersection(self.remoteStreams))
self.remoteNodeId, = unpack('>Q', data[72:80])
if not self.validatePeer():
time.sleep(2)
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
self.checkTimeOffsetNotification()
return
shared.connectedHostsList[
self.hostIdent] = 1 # We use this data structure to not only keep track of what hosts we are connected to so that we don't try to connect to them again, but also to list the connections count on the Network Status tab.
self.sendDataThreadQueue.put((0, 'setStreamNumber', self.remoteStreams))
# The other peer's protocol version is of interest to the sendDataThread but we learn of it
# in this version message. Let us inform the sendDataThread.
self.sendDataThreadQueue.put((0, 'setRemoteProtocolVersion', self.remoteProtocolVersion))
if not isHostInPrivateIPRange(self.peer.host):
with knownnodes.knownNodesLock:
for stream in self.remoteStreams:
knownnodes.knownNodes[stream][state.Peer(self.peer.host, self.remoteNodeIncomingPort)] = int(time.time())
if not self.initiatedConnection:
# bootstrap provider?
if BMConfigParser().safeGetInt('bitmessagesettings', 'maxoutboundconnections') >= \
BMConfigParser().safeGetInt('bitmessagesettings', 'maxtotalconnections', 200):
knownnodes.knownNodes[stream][state.Peer(self.peer.host, self.remoteNodeIncomingPort)] -= 10800 # penalise inbound, 3 hours
else:
knownnodes.knownNodes[stream][state.Peer(self.peer.host, self.remoteNodeIncomingPort)] -= 7200 # penalise inbound, 2 hours
shared.needToWriteKnownNodesToDisk = True
self.sendverack()
if self.initiatedConnection == False:
self.sendversion()
def recversion(self, data):
if len(data) < 83:
# This version message is unreasonably short. Forget it.
return
if self.verackSent:
"""
We must have already processed the remote node's version message.
There might be a time in the future when we Do want to process
a new version message, like if the remote node wants to update
the streams in which they are interested. But for now we'll
ignore this version message
"""
return
self.remoteProtocolVersion, = unpack('>L', data[:4])
self.services, = unpack('>q', data[4:12])
if self.remoteProtocolVersion < 3:
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
logger.debug ('Closing connection to old protocol version ' + str(self.remoteProtocolVersion) + ' node: ' + str(self.peer))
return
timestamp, = unpack('>Q', data[12:20])
timeOffset = timestamp - int(time.time())
if timeOffset > 3600:
self.sendDataThreadQueue.put((0, 'sendRawData', shared.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, timeOffset))
time.sleep(2)
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
return
if timeOffset < -3600:
self.sendDataThreadQueue.put((0, 'sendRawData', shared.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, timeOffset))
time.sleep(2)
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
return
self.myExternalIP = socket.inet_ntoa(data[40:44])
# print 'myExternalIP', self.myExternalIP
self.remoteNodeIncomingPort, = unpack('>H', data[70:72])
# print 'remoteNodeIncomingPort', self.remoteNodeIncomingPort
useragentLength, lengthOfUseragentVarint = decodeVarint(
data[80:84])
readPosition = 80 + lengthOfUseragentVarint
useragent = data[readPosition:readPosition + useragentLength]
# version check
try:
userAgentName, userAgentVersion = useragent[1:-1].split(":", 2)
except:
userAgentName = useragent
userAgentVersion = "0.0.0"
if userAgentName == "PyBitmessage":
myVersion = [int(n) for n in shared.softwareVersion.split(".")]
try:
remoteVersion = [int(n) for n in userAgentVersion.split(".")]
except:
remoteVersion = 0
# remote is newer, but do not cross between stable and unstable
try:
if cmp(remoteVersion, myVersion) > 0 and \
(myVersion[1] % 2 == remoteVersion[1] % 2):
shared.UISignalQueue.put(('newVersionAvailable', remoteVersion))
except:
pass
readPosition += useragentLength
numberOfStreamsInVersionMessage, lengthOfNumberOfStreamsInVersionMessage = decodeVarint(
data[readPosition:])
readPosition += lengthOfNumberOfStreamsInVersionMessage
self.streamNumber, lengthOfRemoteStreamNumber = decodeVarint(
data[readPosition:])
logger.debug('Remote node useragent: ' + useragent + ' stream number:' + str(self.streamNumber) + ' time offset: ' + str(timeOffset) + ' seconds.')
if self.streamNumber != 1:
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
logger.debug ('Closed connection to ' + str(self.peer) + ' because they are interested in stream ' + str(self.streamNumber) + '.')
return
shared.connectedHostsList[
self.peer.host] = 1 # We use this data structure to not only keep track of what hosts we are connected to so that we don't try to connect to them again, but also to list the connections count on the Network Status tab.
# If this was an incoming connection, then the sendDataThread
# doesn't know the stream. We have to set it.
if not self.initiatedConnection:
self.sendDataThreadQueue.put((0, 'setStreamNumber', self.streamNumber))
if data[72:80] == shared.eightBytesOfRandomDataUsedToDetectConnectionsToSelf:
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
logger.debug('Closing connection to myself: ' + str(self.peer))
return
# The other peer's protocol version is of interest to the sendDataThread but we learn of it
# in this version message. Let us inform the sendDataThread.
self.sendDataThreadQueue.put((0, 'setRemoteProtocolVersion', self.remoteProtocolVersion))
if not isHostInPrivateIPRange(self.peer.host):
with shared.knownNodesLock:
shared.knownNodes[self.streamNumber][shared.Peer(self.peer.host, self.remoteNodeIncomingPort)] = int(time.time())
if not self.initiatedConnection:
shared.knownNodes[self.streamNumber][shared.Peer(self.peer.host, self.remoteNodeIncomingPort)] -= 162000 # penalise inbound, 2 days minus 3 hours
shared.needToWriteKnownNodesToDisk = True
self.sendverack()
if self.initiatedConnection == False:
self.sendversion()
def sendaddr(self):
addrsInMyStream = {}
addrsInChildStreamLeft = {}
addrsInChildStreamRight = {}
# print 'knownNodes', shared.knownNodes
# We are going to share a maximum number of 1000 addrs with our peer.
# 500 from this stream, 250 from the left child stream, and 250 from
# the right child stream.
with shared.knownNodesLock:
if len(shared.knownNodes[self.streamNumber]) > 0:
ownPosition = random.randint(0, 499)
sentOwn = False
for i in range(500):
# if current connection is over a proxy, sent our own onion address at a random position
if ownPosition == i and ".onion" in shared.config.get("bitmessagesettings", "onionhostname") and \
hasattr(self.sock, "getproxytype") and self.sock.getproxytype() != "none" and not sentOwn:
peer = shared.Peer(shared.config.get("bitmessagesettings", "onionhostname"), shared.config.getint("bitmessagesettings", "onionport"))
else:
# still may contain own onion address, but we don't change it
peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
if isHostInPrivateIPRange(peer.host):
continue
if peer.host == shared.config.get("bitmessagesettings", "onionhostname") and peer.port == shared.config.getint("bitmessagesettings", "onionport") :
sentOwn = True
addrsInMyStream[peer] = shared.knownNodes[
self.streamNumber][peer]
if len(shared.knownNodes[self.streamNumber * 2]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
self.streamNumber * 2], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamLeft[peer] = shared.knownNodes[
self.streamNumber * 2][peer]
if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
(self.streamNumber * 2) + 1], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamRight[peer] = shared.knownNodes[
(self.streamNumber * 2) + 1][peer]
numberOfAddressesInAddrMessage = 0
payload = ''
# print 'addrsInMyStream.items()', addrsInMyStream.items()
for (HOST, PORT), value in addrsInMyStream.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamLeft.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber * 2)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamRight.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', (self.streamNumber * 2) + 1)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
self.sendDataThreadQueue.put((0, 'sendRawData', shared.CreatePacket('addr', payload)))
def recversion(self, data):
if len(data) < 83:
# This version message is unreasonably short. Forget it.
return
if self.verackSent:
"""
We must have already processed the remote node's version message.
There might be a time in the future when we Do want to process
a new version message, like if the remote node wants to update
the streams in which they are interested. But for now we'll
ignore this version message
"""
return
self.remoteProtocolVersion, = unpack('>L', data[:4])
self.services, = unpack('>q', data[4:12])
timestamp, = unpack('>Q', data[12:20])
self.timeOffset = timestamp - int(time.time())
self.myExternalIP = socket.inet_ntoa(data[40:44])
# print 'myExternalIP', self.myExternalIP
self.remoteNodeIncomingPort, = unpack('>H', data[70:72])
# print 'remoteNodeIncomingPort', self.remoteNodeIncomingPort
useragentLength, lengthOfUseragentVarint = decodeVarint(data[80:84])
readPosition = 80 + lengthOfUseragentVarint
self.userAgent = data[readPosition:readPosition + useragentLength]
# version check
try:
userAgentName, userAgentVersion = self.userAgent[1:-1].split(
":", 2)
except:
userAgentName = self.userAgent
userAgentVersion = "0.0.0"
if userAgentName == "PyBitmessage":
myVersion = [int(n) for n in softwareVersion.split(".")]
try:
remoteVersion = [int(n) for n in userAgentVersion.split(".")]
except:
remoteVersion = 0
# remote is newer, but do not cross between stable and unstable
try:
if cmp(remoteVersion, myVersion) > 0 and \
(myVersion[1] % 2 == remoteVersion[1] % 2):
queues.UISignalQueue.put(
('newVersionAvailable', remoteVersion))
except:
pass
readPosition += useragentLength
numberOfStreamsInVersionMessage, lengthOfNumberOfStreamsInVersionMessage = decodeVarint(
data[readPosition:])
readPosition += lengthOfNumberOfStreamsInVersionMessage
self.remoteStreams = []
for i in range(numberOfStreamsInVersionMessage):
newStreamNumber, lengthOfRemoteStreamNumber = decodeVarint(
data[readPosition:])
readPosition += lengthOfRemoteStreamNumber
self.remoteStreams.append(newStreamNumber)
logger.debug(
'Remote node useragent: %s, streams: (%s), time offset: %is.',
self.userAgent, ', '.join(str(x) for x in self.remoteStreams),
self.timeOffset)
# find shared streams
self.streamNumber = sorted(
set(state.streamsInWhichIAmParticipating).intersection(
self.remoteStreams))
shared.connectedHostsList[
self.
hostIdent] = 1 # We use this data structure to not only keep track of what hosts we are connected to so that we don't try to connect to them again, but also to list the connections count on the Network Status tab.
self.sendDataThreadQueue.put(
(0, 'setStreamNumber', self.remoteStreams))
if data[72:
80] == protocol.eightBytesOfRandomDataUsedToDetectConnectionsToSelf:
self.sendDataThreadQueue.put((0, 'shutdown', 'no data'))
logger.debug('Closing connection to myself: ' + str(self.peer))
return
# The other peer's protocol version is of interest to the sendDataThread but we learn of it
# in this version message. Let us inform the sendDataThread.
self.sendDataThreadQueue.put(
(0, 'setRemoteProtocolVersion', self.remoteProtocolVersion))
if not isHostInPrivateIPRange(self.peer.host):
with knownnodes.knownNodesLock:
for stream in self.remoteStreams:
knownnodes.knownNodes[stream][state.Peer(
self.peer.host,
self.remoteNodeIncomingPort)] = int(time.time())
if not self.initiatedConnection:
# bootstrap provider?
if BMConfigParser().safeGetInt('bitmessagesettings', 'maxoutboundconnections') >= \
BMConfigParser().safeGetInt('bitmessagesettings', 'maxtotalconnections', 200):
knownnodes.knownNodes[stream][state.Peer(
self.peer.host, self.remoteNodeIncomingPort
)] -= 10800 # penalise inbound, 3 hours
else:
knownnodes.knownNodes[stream][state.Peer(
self.peer.host, self.remoteNodeIncomingPort
)] -= 7200 # penalise inbound, 2 hours
shared.needToWriteKnownNodesToDisk = True
self.sendverack()
if self.initiatedConnection == False:
self.sendversion()
def recversion(self, data):
if len(data) < 83:
# This version message is unreasonably short. Forget it.
return
if self.verackSent:
"""
We must have already processed the remote node's version message.
There might be a time in the future when we Do want to process
a new version message, like if the remote node wants to update
the streams in which they are interested. But for now we'll
ignore this version message
"""
return
self.remoteProtocolVersion, = unpack('>L', data[:4])
self.services, = unpack('>q', data[4:12])
timestamp, = unpack('>Q', data[12:20])
self.timeOffset = timestamp - int(time.time())
self.myExternalIP = socket.inet_ntoa(data[40:44])
# print 'myExternalIP', self.myExternalIP
self.remoteNodeIncomingPort, = unpack('>H', data[70:72])
# print 'remoteNodeIncomingPort', self.remoteNodeIncomingPort
useragentLength, lengthOfUseragentVarint = decodeVarint(
data[80:84])
readPosition = 80 + lengthOfUseragentVarint
self.userAgent = data[readPosition:readPosition + useragentLength]
# version check
try:
userAgentName, userAgentVersion = self.userAgent[1:-1].split(":", 2)
except:
userAgentName = self.userAgent
userAgentVersion = "0.0.0"
if userAgentName == "PyBitmessage":
myVersion = [int(n) for n in softwareVersion.split(".")]
try:
remoteVersion = [int(n) for n in userAgentVersion.split(".")]
except:
remoteVersion = 0
# remote is newer, but do not cross between stable and unstable
try:
if cmp(remoteVersion, myVersion) > 0 and \
(myVersion[1] % 2 == remoteVersion[1] % 2):
queues.UISignalQueue.put(('newVersionAvailable', remoteVersion))
except:
pass
readPosition += useragentLength
numberOfStreamsInVersionMessage, lengthOfNumberOfStreamsInVersionMessage = decodeVarint(
data[readPosition:])
readPosition += lengthOfNumberOfStreamsInVersionMessage
self.remoteStreams = []
for i in range(numberOfStreamsInVersionMessage):
newStreamNumber, lengthOfRemoteStreamNumber = decodeVarint(data[readPosition:])
readPosition += lengthOfRemoteStreamNumber
self.remoteStreams.append(newStreamNumber)
logger.debug('Remote node useragent: %s, streams: (%s), time offset: %is.',
self.userAgent, ', '.join(str(x) for x in self.remoteStreams), self.timeOffset)
# find shared streams
self.streamNumber = sorted(set(state.streamsInWhichIAmParticipating).intersection(self.remoteStreams))
shared.connectedHostsList[
self.hostIdent] = 1 # We use this data structure to not only keep track of what hosts we are connected to so that we don't try to connect to them again, but also to list the connections count on the Network Status tab.
self.sendDataThreadQueue.put((0, 'setStreamNumber', self.remoteStreams))
if data[72:80] == protocol.eightBytesOfRandomDataUsedToDetectConnectionsToSelf:
self.sendDataThreadQueue.put((0, 'shutdown','no data'))
logger.debug('Closing connection to myself: ' + str(self.peer))
return
# The other peer's protocol version is of interest to the sendDataThread but we learn of it
# in this version message. Let us inform the sendDataThread.
self.sendDataThreadQueue.put((0, 'setRemoteProtocolVersion', self.remoteProtocolVersion))
if not isHostInPrivateIPRange(self.peer.host):
with knownnodes.knownNodesLock:
for stream in self.remoteStreams:
knownnodes.knownNodes[stream][state.Peer(self.peer.host, self.remoteNodeIncomingPort)] = int(time.time())
if not self.initiatedConnection:
# bootstrap provider?
if BMConfigParser().safeGetInt('bitmessagesettings', 'maxoutboundconnections') >= \
BMConfigParser().safeGetInt('bitmessagesettings', 'maxtotalconnections', 200):
knownnodes.knownNodes[stream][state.Peer(self.peer.host, self.remoteNodeIncomingPort)] -= 10800 # penalise inbound, 3 hours
else:
knownnodes.knownNodes[stream][state.Peer(self.peer.host, self.remoteNodeIncomingPort)] -= 7200 # penalise inbound, 2 hours
shared.needToWriteKnownNodesToDisk = True
self.sendverack()
if self.initiatedConnection == False:
self.sendversion()
