def func(address, *args):
msgID = sha1(str(random.getrandbits(255))).digest()
m = Message()
m.messageID = msgID
m.sender.MergeFrom(self.sourceNode.getProto())
m.command = Command.Value(name.upper())
m.protoVer = PROTOCOL_VERSION
for arg in args:
m.arguments.append(str(arg))
m.testnet = self.multiplexer.testnet
data = m.SerializeToString()
d = defer.Deferred()
if name != "hole_punch":
seed = SEED_NODE_TESTNET if self.multiplexer.testnet else SEED_NODE
hole_punch = reactor.callLater(3, self.hole_punch, seed,
address[0], address[1], "True")
if address in self.multiplexer:
hole_punch.cancel()
self._outstanding[msgID] = [d, address, hole_punch]
self.log.debug("calling remote function %s on %s (msgid %s)" %
(name, address, b64encode(msgID)))
else:
self.log.debug("sending hole punch message to %s" % args[0] +
":" + str(args[1]))
self.multiplexer.send_message(data, address)
return d
def receive_message(self, message, sender, connection, ban_score):
if message.testnet != self.multiplexer.testnet:
self.log.warning(
"received message from %s with incorrect network parameters." %
str(connection.dest_addr))
connection.shutdown()
return False
if message.protoVer < PROTOCOL_VERSION:
self.log.warning(
"received message from %s with incompatible protocol version."
% str(connection.dest_addr))
connection.shutdown()
return False
self.multiplexer.vendors[sender.id] = sender
msgID = message.messageID
if message.command == NOT_FOUND:
data = None
else:
data = tuple(message.arguments)
if msgID in self._outstanding:
self._acceptResponse(msgID, data, sender)
elif message.command != NOT_FOUND:
# ban_score.process_message(message)
self._acceptRequest(msgID,
str(Command.Name(message.command)).lower(),
data, sender, connection)
def ban(self, message_type):
self.log.warning("Banned %s. Reason: too many %s messages." %
(self.peer_ip[0], Command.Name(message_type)))
self.multiplexer.ban_ip(self.peer_ip[0])
self.multiplexer[self.peer_ip].shutdown()
reactor.callLater(self.ban_time, self.multiplexer.remove_ip_ban,
self.peer_ip[0])
def receive_message(self, datagram, connection):
m = Message()
try:
m.ParseFromString(datagram)
sender = node.Node(m.sender.guid, m.sender.ip, m.sender.port, m.sender.signedPublicKey, m.sender.vendor)
except Exception:
# If message isn't formatted property then ignore
self.log.warning("Received unknown message from %s, ignoring" % str(connection.dest_addr))
return False
# Check that the GUID is valid. If not, ignore
if self.router.isNewNode(sender):
try:
pubkey = m.sender.signedPublicKey[len(m.sender.signedPublicKey) - 32:]
verify_key = nacl.signing.VerifyKey(pubkey)
verify_key.verify(m.sender.signedPublicKey)
h = nacl.hash.sha512(m.sender.signedPublicKey)
pow_hash = h[64:128]
if int(pow_hash[:6], 16) >= 50 or hexlify(m.sender.guid) != h[:40]:
raise Exception('Invalid GUID')
except Exception:
self.log.warning("Received message from sender with invalid GUID, ignoring")
return False
if m.sender.vendor:
VendorStore().save_vendor(m.sender.guid, m.sender.ip, m.sender.port, m.sender.signedPublicKey)
msgID = m.messageID
data = tuple(m.arguments)
if msgID in self._outstanding:
self._acceptResponse(msgID, data, sender)
else:
self._acceptRequest(msgID, str(Command.Name(m.command)).lower(), data, sender, connection)
def func(node, *args):
msgID = sha1(str(random.getrandbits(255))).digest()
m = Message()
m.messageID = msgID
m.sender.MergeFrom(self.sourceNode.getProto())
m.command = Command.Value(name.upper())
m.protoVer = PROTOCOL_VERSION
for arg in args:
m.arguments.append(str(arg))
m.testnet = self.multiplexer.testnet
data = m.SerializeToString()
address = (node.ip, node.port)
relay_addr = None
if node.nat_type == SYMMETRIC or \
(node.nat_type == RESTRICTED and self.sourceNode.nat_type == SYMMETRIC):
relay_addr = node.relay_node
d = defer.Deferred()
if m.command != HOLE_PUNCH:
timeout = reactor.callLater(self._waitTimeout, self.timeout, node)
self._outstanding[msgID] = [d, address, timeout]
self.log.debug("calling remote function %s on %s (msgid %s)" % (name, address, b64encode(msgID)))
self.multiplexer.send_message(data, address, relay_addr)
if self.multiplexer[address].state != State.CONNECTED and \
node.nat_type == RESTRICTED and \
self.sourceNode.nat_type != SYMMETRIC:
self.hole_punch(Node(digest("null"), node.relay_node[0], node.relay_node[1], nat_type=FULL_CONE),
address[0], address[1], "True")
self.log.debug("sending hole punch message to %s" % address[0] + ":" + str(address[1]))
return d
def receive_message(self, message, connection, ban_score):
sender = Node(
message.sender.guid, message.sender.nodeAddress.ip,
message.sender.nodeAddress.port, message.sender.signedPublicKey,
None if not message.sender.HasField("relayAddress") else
(message.sender.relayAddress.ip, message.sender.relayAddress.port),
message.sender.natType, message.sender.vendor)
if message.testnet != self.multiplexer.testnet:
self.log.warning(
"received message from %s with incorrect network parameters." %
str(connection.dest_addr))
connection.shutdown()
return False
if message.protoVer < PROTOCOL_VERSION:
self.log.warning(
"received message from %s with incompatible protocol version."
% str(connection.dest_addr))
connection.shutdown()
return False
# Check that the GUID is valid. If not, ignore
if self.router.isNewNode(sender):
try:
pubkey = message.sender.signedPublicKey[len(message.sender.
signedPublicKey) -
32:]
verify_key = nacl.signing.VerifyKey(pubkey)
verify_key.verify(message.sender.signedPublicKey)
h = nacl.hash.sha512(message.sender.signedPublicKey)
pow_hash = h[64:128]
if int(pow_hash[:6], 16) >= 50 or hexlify(
message.sender.guid) != h[:40]:
raise Exception('Invalid GUID')
except Exception:
self.log.warning(
"received message from sender with invalid GUID, ignoring")
connection.shutdown()
return False
if message.sender.vendor:
self.db.VendorStore().save_vendor(
message.sender.guid.encode("hex"),
message.sender.SerializeToString())
msgID = message.messageID
if message.command == NOT_FOUND:
data = None
else:
data = tuple(message.arguments)
if msgID in self._outstanding:
self._acceptResponse(msgID, data, sender)
elif message.command != NOT_FOUND:
#ban_score.process_message(m)
self._acceptRequest(msgID,
str(Command.Name(message.command)).lower(),
data, sender, connection)
def ban(self, peer, message_type):
reason = Command.Name(message_type)
self.log.warning("Banned %s. Reason: too many %s messages." %
(peer[0], reason))
self.multiplexer.ban_ip(peer[0])
if peer in self.multiplexer:
self.multiplexer[peer].shutdown()
reactor.callLater(self.ban_time, self.multiplexer.remove_ip_ban,
peer[0])
def _sendResponse(self, response, funcname, msgID, sender, connection):
if self.noisy:
self.log.debug("Sending response for msg id %s to %s" % (b64encode(msgID), sender))
m = Message()
m.messageID = msgID
m.sender.MergeFrom(self.proto)
m.command = Command.Value(funcname.upper())
for arg in response:
m.arguments.append(str(arg))
data = m.SerializeToString()
connection.send_message(data)
def ban(self, peer, message_type):
if message_type == 100:
reason = "RECONNECTIONS"
elif message_type == 110:
reason = "MALFORMATTED"
else:
reason = Command.Name(message_type)
self.log.warning("Banned %s. Reason: too many %s messages." %
(peer[0], reason))
self.multiplexer.ban_ip(peer[0])
if peer in self.multiplexer:
self.multiplexer[peer].shutdown()
reactor.callLater(self.ban_time, self.multiplexer.remove_ip_ban,
peer[0])
def _sendResponse(self, response, funcname, msgID, sender, connection):
self.log.debug("sending response for msg id %s to %s" %
(b64encode(msgID), sender))
m = Message()
m.messageID = msgID
m.sender.MergeFrom(self.sourceNode.getProto())
m.protoVer = PROTOCOL_VERSION
m.testnet = self.multiplexer.testnet
if response is None:
m.command = NOT_FOUND
else:
m.command = Command.Value(funcname.upper())
for arg in response:
m.arguments.append(str(arg))
data = m.SerializeToString()
connection.send_message(data)
def func(address, *args):
msgID = sha1(str(random.getrandbits(255))).digest()
m = Message()
m.messageID = msgID
m.sender.MergeFrom(self.proto)
m.command = Command.Value(name.upper())
for arg in args:
m.arguments.append(str(arg))
data = m.SerializeToString()
if self.noisy:
self.log.debug("calling remote function %s on %s (msgid %s)" % (name, address, b64encode(msgID)))
self.multiplexer.send_message(data, address)
if name is not "hole_punch":
d = defer.Deferred()
timeout = reactor.callLater(self._waitTimeout, self._timeout, msgID, address)
self._outstanding[msgID] = [d, timeout]
return d
def receive_message(self, datagram, connection, ban_score):
m = Message()
try:
m.ParseFromString(datagram)
sender = node.Node(m.sender.guid, m.sender.ip, m.sender.port,
m.sender.signedPublicKey, m.sender.vendor)
except Exception:
# If message isn't formatted property then ignore
self.log.warning("received unknown message from %s, ignoring" %
str(connection.dest_addr))
return False
if m.testnet != self.multiplexer.testnet:
self.log.warning(
"received message from %s with incorrect network parameters." %
str(connection.dest_addr))
connection.shutdown()
return False
if m.protoVer < PROTOCOL_VERSION:
self.log.warning(
"received message from %s with incompatible protocol version."
% str(connection.dest_addr))
connection.shutdown()
return False
# Check that the GUID is valid. If not, ignore
if self.router.isNewNode(sender):
try:
pubkey = m.sender.signedPublicKey[len(m.sender.signedPublicKey
) - 32:]
verify_key = nacl.signing.VerifyKey(pubkey)
verify_key.verify(m.sender.signedPublicKey)
h = nacl.hash.sha512(m.sender.signedPublicKey)
pow_hash = h[64:128]
if int(pow_hash[:6], 16) >= 50 or hexlify(
m.sender.guid) != h[:40]:
raise Exception('Invalid GUID')
except Exception:
self.log.warning(
"received message from sender with invalid GUID, ignoring")
connection.shutdown()
return False
if m.sender.vendor:
self.db.VendorStore().save_vendor(m.sender.guid.encode("hex"),
m.sender.ip, m.sender.port,
m.sender.signedPublicKey)
msgID = m.messageID
if m.command == NOT_FOUND:
data = None
else:
data = tuple(m.arguments)
if msgID in self._outstanding:
self._acceptResponse(msgID, data, sender)
elif m.command != NOT_FOUND:
ban_score.process_message(m)
self._acceptRequest(msgID,
str(Command.Name(m.command)).lower(), data,
sender, connection)
