Merge pull request #783 from Atheros1/master
Fix #748 - Check hash of sig instead of message contents
This commit is contained in:
Jonathan Warren
commit
0c663ef13e
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@ -427,6 +427,7 @@ class objectProcessor(threading.Thread):
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logger.debug('As a matter of intellectual curiosity, here is the Bitcoin address associated with the keys owned by the other person: %s ..and here is the testnet address: %s. The other person must take their private signing key from Bitmessage and import it into Bitcoin (or a service like Blockchain.info) for it to be of any use. Do not use this unless you know what you are doing.' %
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(helper_bitcoin.calculateBitcoinAddressFromPubkey(pubSigningKey), helper_bitcoin.calculateTestnetAddressFromPubkey(pubSigningKey))
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)
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sigHash = hashlib.sha512(hashlib.sha512(signature).digest()).digest()[32:] # Used to detect and ignore duplicate messages in our inbox
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# calculate the fromRipe.
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sha = hashlib.new('sha512')
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@ -503,13 +504,13 @@ class objectProcessor(threading.Thread):
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body = 'Unknown encoding type.\n\n' + repr(message)
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subject = ''
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# Let us make sure that we haven't already received this message
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if helper_inbox.isMessageAlreadyInInbox(toAddress, fromAddress, subject, body, messageEncodingType):
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if helper_inbox.isMessageAlreadyInInbox(sigHash):
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logger.info('This msg is already in our inbox. Ignoring it.')
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blockMessage = True
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if not blockMessage:
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if messageEncodingType != 0:
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t = (inventoryHash, toAddress, fromAddress, subject, int(
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time.time()), body, 'inbox', messageEncodingType, 0)
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time.time()), body, 'inbox', messageEncodingType, 0, sigHash)
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helper_inbox.insert(t)
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shared.UISignalQueue.put(('displayNewInboxMessage', (
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@ -701,6 +702,7 @@ class objectProcessor(threading.Thread):
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logger.debug('ECDSA verify failed')
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return
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logger.debug('ECDSA verify passed')
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sigHash = hashlib.sha512(hashlib.sha512(signature).digest()).digest()[32:] # Used to detect and ignore duplicate messages in our inbox
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fromAddress = encodeAddress(
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sendersAddressVersion, sendersStream, calculatedRipe)
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@ -735,33 +737,33 @@ class objectProcessor(threading.Thread):
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subject = ''
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elif messageEncodingType == 0:
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logger.info('messageEncodingType == 0. Doing nothing with the message.')
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return
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else:
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body = 'Unknown encoding type.\n\n' + repr(message)
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subject = ''
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toAddress = '[Broadcast subscribers]'
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if messageEncodingType != 0:
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if helper_inbox.isMessageAlreadyInInbox(toAddress, fromAddress, subject, body, messageEncodingType):
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logger.info('This broadcast is already in our inbox. Ignoring it.')
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else:
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t = (inventoryHash, toAddress, fromAddress, subject, int(
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time.time()), body, 'inbox', messageEncodingType, 0)
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helper_inbox.insert(t)
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if helper_inbox.isMessageAlreadyInInbox(sigHash):
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logger.info('This broadcast is already in our inbox. Ignoring it.')
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return
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t = (inventoryHash, toAddress, fromAddress, subject, int(
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time.time()), body, 'inbox', messageEncodingType, 0, sigHash)
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helper_inbox.insert(t)
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shared.UISignalQueue.put(('displayNewInboxMessage', (
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inventoryHash, toAddress, fromAddress, subject, body)))
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shared.UISignalQueue.put(('displayNewInboxMessage', (
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inventoryHash, toAddress, fromAddress, subject, body)))
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# If we are behaving as an API then we might need to run an
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# outside command to let some program know that a new message
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# has arrived.
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if shared.safeConfigGetBoolean('bitmessagesettings', 'apienabled'):
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try:
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apiNotifyPath = shared.config.get(
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'bitmessagesettings', 'apinotifypath')
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except:
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apiNotifyPath = ''
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if apiNotifyPath != '':
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call([apiNotifyPath, "newBroadcast"])
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# If we are behaving as an API then we might need to run an
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# outside command to let some program know that a new message
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# has arrived.
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if shared.safeConfigGetBoolean('bitmessagesettings', 'apienabled'):
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try:
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apiNotifyPath = shared.config.get(
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'bitmessagesettings', 'apinotifypath')
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except:
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apiNotifyPath = ''
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if apiNotifyPath != '':
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call([apiNotifyPath, "newBroadcast"])
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# Display timing data
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logger.info('Time spent processing this interesting broadcast: %s' % (time.time() - messageProcessingStartTime,))
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@ -151,9 +151,8 @@ class receiveDataThread(threading.Thread):
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# just received valid data from it. So update the knownNodes list so
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# that other peers can be made aware of its existance.
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if self.initiatedConnection and self.connectionIsOrWasFullyEstablished: # The remote port is only something we should share with others if it is the remote node's incoming port (rather than some random operating-system-assigned outgoing port).
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shared.knownNodesLock.acquire()
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shared.knownNodes[self.streamNumber][self.peer] = int(time.time())
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shared.knownNodesLock.release()
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with shared.knownNodesLock:
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shared.knownNodes[self.streamNumber][self.peer] = int(time.time())
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#Strip the nulls
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command = command.rstrip('\x00')
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@ -488,35 +487,33 @@ class receiveDataThread(threading.Thread):
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self.sendDataThreadQueue.put((0, 'sendRawData', shared.CreatePacket('object',payload)))
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def _checkIPv4Address(self, host, hostFromAddrMessage):
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# print 'hostFromAddrMessage', hostFromAddrMessage
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def _checkIPv4Address(self, host, hostStandardFormat):
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# print 'hostStandardFormat', hostStandardFormat
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if host[0] == '\x7F':
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print 'Ignoring IP address in loopback range:', hostFromAddrMessage
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print 'Ignoring IP address in loopback range:', hostStandardFormat
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return False
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if host[0] == '\x0A':
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print 'Ignoring IP address in private range:', hostFromAddrMessage
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print 'Ignoring IP address in private range:', hostStandardFormat
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return False
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if host[0:2] == '\xC0\xA8':
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print 'Ignoring IP address in private range:', hostFromAddrMessage
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print 'Ignoring IP address in private range:', hostStandardFormat
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return False
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return True
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def _checkIPv6Address(self, host, hostFromAddrMessage):
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def _checkIPv6Address(self, host, hostStandardFormat):
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if host == ('\x00' * 15) + '\x01':
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print 'Ignoring loopback address:', hostFromAddrMessage
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print 'Ignoring loopback address:', hostStandardFormat
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return False
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if host[0] == '\xFE' and (ord(host[1]) & 0xc0) == 0x80:
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print 'Ignoring local address:', hostFromAddrMessage
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print 'Ignoring local address:', hostStandardFormat
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return False
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if (ord(host[0]) & 0xfe) == 0xfc:
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print 'Ignoring unique local address:', hostFromAddrMessage
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print 'Ignoring unique local address:', hostStandardFormat
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return False
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return True
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# We have received an addr message.
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def recaddr(self, data):
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#listOfAddressDetailsToBroadcastToPeers = []
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numberOfAddressesIncluded = 0
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numberOfAddressesIncluded, lengthOfNumberOfAddresses = decodeVarint(
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data[:10])
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@ -531,91 +528,56 @@ class receiveDataThread(threading.Thread):
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return
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for i in range(0, numberOfAddressesIncluded):
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try:
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fullHost = data[20 + lengthOfNumberOfAddresses + (38 * i):36 + lengthOfNumberOfAddresses + (38 * i)]
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except Exception as err:
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with shared.printLock:
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sys.stderr.write(
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'ERROR TRYING TO UNPACK recaddr (recaddrHost). Message: %s\n' % str(err))
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break # giving up on unpacking any more. We should still be connected however.
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try:
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recaddrStream, = unpack('>I', data[8 + lengthOfNumberOfAddresses + (
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38 * i):12 + lengthOfNumberOfAddresses + (38 * i)])
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except Exception as err:
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with shared.printLock:
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sys.stderr.write(
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'ERROR TRYING TO UNPACK recaddr (recaddrStream). Message: %s\n' % str(err))
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break # giving up on unpacking any more. We should still be connected however.
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fullHost = data[20 + lengthOfNumberOfAddresses + (38 * i):36 + lengthOfNumberOfAddresses + (38 * i)]
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recaddrStream, = unpack('>I', data[8 + lengthOfNumberOfAddresses + (
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38 * i):12 + lengthOfNumberOfAddresses + (38 * i)])
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if recaddrStream == 0:
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continue
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if recaddrStream != self.streamNumber and recaddrStream != (self.streamNumber * 2) and recaddrStream != ((self.streamNumber * 2) + 1): # if the embedded stream number is not in my stream or either of my child streams then ignore it. Someone might be trying funny business.
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continue
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try:
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recaddrServices, = unpack('>Q', data[12 + lengthOfNumberOfAddresses + (
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38 * i):20 + lengthOfNumberOfAddresses + (38 * i)])
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except Exception as err:
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with shared.printLock:
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sys.stderr.write(
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'ERROR TRYING TO UNPACK recaddr (recaddrServices). Message: %s\n' % str(err))
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break # giving up on unpacking any more. We should still be connected however.
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try:
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recaddrPort, = unpack('>H', data[36 + lengthOfNumberOfAddresses + (
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38 * i):38 + lengthOfNumberOfAddresses + (38 * i)])
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except Exception as err:
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with shared.printLock:
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sys.stderr.write(
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'ERROR TRYING TO UNPACK recaddr (recaddrPort). Message: %s\n' % str(err))
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break # giving up on unpacking any more. We should still be connected however.
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# print 'Within recaddr(): IP', recaddrIP, ', Port',
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# recaddrPort, ', i', i
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recaddrServices, = unpack('>Q', data[12 + lengthOfNumberOfAddresses + (
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38 * i):20 + lengthOfNumberOfAddresses + (38 * i)])
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recaddrPort, = unpack('>H', data[36 + lengthOfNumberOfAddresses + (
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38 * i):38 + lengthOfNumberOfAddresses + (38 * i)])
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if fullHost[0:12] == '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF':
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ipv4Host = fullHost[12:]
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hostFromAddrMessage = socket.inet_ntop(socket.AF_INET, ipv4Host)
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if not self._checkIPv4Address(ipv4Host, hostFromAddrMessage):
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hostStandardFormat = socket.inet_ntop(socket.AF_INET, ipv4Host)
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if not self._checkIPv4Address(ipv4Host, hostStandardFormat):
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continue
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else:
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hostFromAddrMessage = socket.inet_ntop(socket.AF_INET6, fullHost)
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if hostFromAddrMessage == "":
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hostStandardFormat = socket.inet_ntop(socket.AF_INET6, fullHost)
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if hostStandardFormat == "":
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# This can happen on Windows systems which are not 64-bit compatible
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# so let us drop the IPv6 address.
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continue
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if not self._checkIPv6Address(fullHost, hostFromAddrMessage):
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if not self._checkIPv6Address(fullHost, hostStandardFormat):
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continue
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timeSomeoneElseReceivedMessageFromThisNode, = unpack('>Q', data[lengthOfNumberOfAddresses + (
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38 * i):8 + lengthOfNumberOfAddresses + (38 * i)]) # This is the 'time' value in the received addr message. 64-bit.
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if recaddrStream not in shared.knownNodes: # knownNodes is a dictionary of dictionaries with one outer dictionary for each stream. If the outer stream dictionary doesn't exist yet then we must make it.
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shared.knownNodesLock.acquire()
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shared.knownNodes[recaddrStream] = {}
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shared.knownNodesLock.release()
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peerFromAddrMessage = shared.Peer(hostFromAddrMessage, recaddrPort)
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with shared.knownNodesLock:
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shared.knownNodes[recaddrStream] = {}
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peerFromAddrMessage = shared.Peer(hostStandardFormat, recaddrPort)
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if peerFromAddrMessage not in shared.knownNodes[recaddrStream]:
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if len(shared.knownNodes[recaddrStream]) < 20000 and timeSomeoneElseReceivedMessageFromThisNode > (int(time.time()) - 10800) and timeSomeoneElseReceivedMessageFromThisNode < (int(time.time()) + 10800): # If we have more than 20000 nodes in our list already then just forget about adding more. Also, make sure that the time that someone else received a message from this node is within three hours from now.
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shared.knownNodesLock.acquire()
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shared.knownNodes[recaddrStream][peerFromAddrMessage] = (
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timeSomeoneElseReceivedMessageFromThisNode)
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shared.knownNodesLock.release()
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with shared.knownNodesLock:
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shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
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with shared.printLock:
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print 'added new node', peerFromAddrMessage, 'to knownNodes in stream', recaddrStream
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shared.needToWriteKnownNodesToDisk = True
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hostDetails = (
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timeSomeoneElseReceivedMessageFromThisNode,
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recaddrStream, recaddrServices, hostFromAddrMessage, recaddrPort)
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#listOfAddressDetailsToBroadcastToPeers.append(hostDetails)
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recaddrStream, recaddrServices, hostStandardFormat, recaddrPort)
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shared.broadcastToSendDataQueues((
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self.streamNumber, 'advertisepeer', hostDetails))
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else:
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timeLastReceivedMessageFromThisNode = shared.knownNodes[recaddrStream][
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peerFromAddrMessage] # PORT in this case is either the port we used to connect to the remote node, or the port that was specified by someone else in a past addr message.
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if (timeLastReceivedMessageFromThisNode < timeSomeoneElseReceivedMessageFromThisNode) and (timeSomeoneElseReceivedMessageFromThisNode < int(time.time())):
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shared.knownNodesLock.acquire()
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shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
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shared.knownNodesLock.release()
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peerFromAddrMessage]
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if (timeLastReceivedMessageFromThisNode < timeSomeoneElseReceivedMessageFromThisNode) and (timeSomeoneElseReceivedMessageFromThisNode < int(time.time())+900): # 900 seconds for wiggle-room in case other nodes' clocks aren't quite right.
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with shared.knownNodesLock:
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shared.knownNodes[recaddrStream][peerFromAddrMessage] = timeSomeoneElseReceivedMessageFromThisNode
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#if listOfAddressDetailsToBroadcastToPeers != []:
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# self.broadcastaddr(listOfAddressDetailsToBroadcastToPeers)
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with shared.printLock:
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print 'knownNodes currently has', len(shared.knownNodes[self.streamNumber]), 'nodes for this stream.'
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@ -633,31 +595,30 @@ class receiveDataThread(threading.Thread):
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# We are going to share a maximum number of 1000 addrs with our peer.
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# 500 from this stream, 250 from the left child stream, and 250 from
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# the right child stream.
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shared.knownNodesLock.acquire()
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if len(shared.knownNodes[self.streamNumber]) > 0:
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for i in range(500):
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peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
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if isHostInPrivateIPRange(peer.host):
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continue
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addrsInMyStream[peer] = shared.knownNodes[
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self.streamNumber][peer]
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if len(shared.knownNodes[self.streamNumber * 2]) > 0:
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for i in range(250):
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peer, = random.sample(shared.knownNodes[
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self.streamNumber * 2], 1)
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if isHostInPrivateIPRange(peer.host):
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continue
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addrsInChildStreamLeft[peer] = shared.knownNodes[
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self.streamNumber * 2][peer]
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if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
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for i in range(250):
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peer, = random.sample(shared.knownNodes[
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(self.streamNumber * 2) + 1], 1)
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if isHostInPrivateIPRange(peer.host):
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continue
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addrsInChildStreamRight[peer] = shared.knownNodes[
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(self.streamNumber * 2) + 1][peer]
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shared.knownNodesLock.release()
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with shared.knownNodesLock:
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if len(shared.knownNodes[self.streamNumber]) > 0:
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for i in range(500):
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peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
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if isHostInPrivateIPRange(peer.host):
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continue
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addrsInMyStream[peer] = shared.knownNodes[
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self.streamNumber][peer]
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if len(shared.knownNodes[self.streamNumber * 2]) > 0:
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for i in range(250):
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peer, = random.sample(shared.knownNodes[
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self.streamNumber * 2], 1)
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if isHostInPrivateIPRange(peer.host):
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continue
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addrsInChildStreamLeft[peer] = shared.knownNodes[
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self.streamNumber * 2][peer]
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if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
|
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for i in range(250):
|
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peer, = random.sample(shared.knownNodes[
|
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(self.streamNumber * 2) + 1], 1)
|
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if isHostInPrivateIPRange(peer.host):
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continue
|
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addrsInChildStreamRight[peer] = shared.knownNodes[
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(self.streamNumber * 2) + 1][peer]
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numberOfAddressesInAddrMessage = 0
|
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payload = ''
|
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# print 'addrsInMyStream.items()', addrsInMyStream.items()
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|
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@ -771,10 +732,9 @@ class receiveDataThread(threading.Thread):
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# in this version message. Let us inform the sendDataThread.
|
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self.sendDataThreadQueue.put((0, 'setRemoteProtocolVersion', self.remoteProtocolVersion))
|
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|
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shared.knownNodesLock.acquire()
|
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shared.knownNodes[self.streamNumber][shared.Peer(self.peer.host, self.remoteNodeIncomingPort)] = int(time.time())
|
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shared.needToWriteKnownNodesToDisk = True
|
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shared.knownNodesLock.release()
|
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with shared.knownNodesLock:
|
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shared.knownNodes[self.streamNumber][shared.Peer(self.peer.host, self.remoteNodeIncomingPort)] = int(time.time())
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shared.needToWriteKnownNodesToDisk = True
|
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|
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self.sendverack()
|
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if self.initiatedConnection == False:
|
||||
|
|
|
|||
|
|
@ -821,8 +821,9 @@ class singleWorker(threading.Thread):
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# If we are sending to ourselves or a chan, let's put the message in
|
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# our own inbox.
|
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if shared.config.has_section(toaddress):
|
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sigHash = hashlib.sha512(hashlib.sha512(signature).digest()).digest()[32:] # Used to detect and ignore duplicate messages in our inbox
|
||||
t = (inventoryHash, toaddress, fromaddress, subject, int(
|
||||
time.time()), message, 'inbox', 2, 0)
|
||||
time.time()), message, 'inbox', 2, 0, sigHash)
|
||||
helper_inbox.insert(t)
|
||||
|
||||
shared.UISignalQueue.put(('displayNewInboxMessage', (
|
||||
|
|
|
|||
|
|
@ -28,7 +28,7 @@ class sqlThread(threading.Thread):
|
|||
|
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try:
|
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self.cur.execute(
|
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'''CREATE TABLE inbox (msgid blob, toaddress text, fromaddress text, subject text, received text, message text, folder text, encodingtype int, read bool, UNIQUE(msgid) ON CONFLICT REPLACE)''' )
|
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'''CREATE TABLE inbox (msgid blob, toaddress text, fromaddress text, subject text, received text, message text, folder text, encodingtype int, read bool, sighash blob, UNIQUE(msgid) ON CONFLICT REPLACE)''' )
|
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self.cur.execute(
|
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'''CREATE TABLE sent (msgid blob, toaddress text, toripe blob, fromaddress text, subject text, message text, ackdata blob, lastactiontime integer, status text, pubkeyretrynumber integer, msgretrynumber integer, folder text, encodingtype int)''' )
|
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self.cur.execute(
|
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|
|
@ -61,7 +61,7 @@ class sqlThread(threading.Thread):
|
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'''INSERT INTO subscriptions VALUES('Bitmessage new releases/announcements','BM-GtovgYdgs7qXPkoYaRgrLFuFKz1SFpsw',1)''')
|
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self.cur.execute(
|
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'''CREATE TABLE settings (key blob, value blob, UNIQUE(key) ON CONFLICT REPLACE)''' )
|
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self.cur.execute( '''INSERT INTO settings VALUES('version','8')''')
|
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self.cur.execute( '''INSERT INTO settings VALUES('version','9')''')
|
||||
self.cur.execute( '''INSERT INTO settings VALUES('lastvacuumtime',?)''', (
|
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int(time.time()),))
|
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self.cur.execute(
|
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|
|
@ -360,7 +360,21 @@ class sqlThread(threading.Thread):
|
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parameters = (8,)
|
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self.cur.execute(query, parameters)
|
||||
logger.debug('Finished clearing currently held pubkeys.')
|
||||
|
||||
|
||||
# Add a new column to the inbox table to store the hash of the message signature.
|
||||
# We'll use this as temporary message UUID in order to detect duplicates.
|
||||
item = '''SELECT value FROM settings WHERE key='version';'''
|
||||
parameters = ''
|
||||
self.cur.execute(item, parameters)
|
||||
currentVersion = int(self.cur.fetchall()[0][0])
|
||||
if currentVersion == 8:
|
||||
logger.debug('In messages.dat database, adding sighash field to the inbox table.')
|
||||
item = '''ALTER TABLE inbox ADD sighash blob DEFAULT '' '''
|
||||
parameters = ''
|
||||
self.cur.execute(item, parameters)
|
||||
item = '''update settings set value=? WHERE key='version';'''
|
||||
parameters = (9,)
|
||||
self.cur.execute(item, parameters)
|
||||
|
||||
# Are you hoping to add a new option to the keys.dat file of existing
|
||||
# Bitmessage users or modify the SQLite database? Add it right above this line!
|
||||
|
|
|
|||
|
|
@ -2,14 +2,14 @@ from helper_sql import *
|
|||
import shared
|
||||
|
||||
def insert(t):
|
||||
sqlExecute('''INSERT INTO inbox VALUES (?,?,?,?,?,?,?,?,?)''', *t)
|
||||
sqlExecute('''INSERT INTO inbox VALUES (?,?,?,?,?,?,?,?,?,?)''', *t)
|
||||
shared.UISignalQueue.put(('changedInboxUnread', None))
|
||||
|
||||
def trash(msgid):
|
||||
sqlExecute('''UPDATE inbox SET folder='trash' WHERE msgid=?''', msgid)
|
||||
shared.UISignalQueue.put(('removeInboxRowByMsgid',msgid))
|
||||
|
||||
def isMessageAlreadyInInbox(toAddress, fromAddress, subject, body, encodingType):
|
||||
def isMessageAlreadyInInbox(sigHash):
|
||||
queryReturn = sqlQuery(
|
||||
'''SELECT COUNT(*) FROM inbox WHERE toaddress=? AND fromaddress=? AND subject=? AND message=? AND encodingtype=? ''', toAddress, fromAddress, subject, body, encodingType)
|
||||
'''SELECT COUNT(*) FROM inbox WHERE sighash=?''', sigHash)
|
||||
return queryReturn[0][0] != 0
|
||||
Loading…
Reference in New Issue