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					 1 changed files with 142 additions and 145 deletions
				
			
		| 
						 | 
				
			
			@ -68,7 +68,7 @@ class SocksQueue:
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		self.error_cb = error_cb
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		self.on_success = None
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		self.on_failure = None
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	def start_listener(self, port, sha_str, sha_handler, sid):
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		''' start waiting for incomming connections on (host, port)
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		and do a socks5 authentication using sid for generated sha
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						 | 
				
			
			@ -87,16 +87,16 @@ class SocksQueue:
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				return None
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			self.connected += 1
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		return self.listener
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	def send_success_reply(self, file_props, streamhost):
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		if 'streamhost-used' in file_props and \
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			file_props['streamhost-used'] is True:
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				if 'proxyhosts' in file_props:
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					for proxy in file_props['proxyhosts']:
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						if proxy == streamhost:
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							self.on_success(streamhost)
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							return 2
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				return 0
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		file_props['streamhost-used'] is True:
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			if 'proxyhosts' in file_props:
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				for proxy in file_props['proxyhosts']:
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					if proxy == streamhost:
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						self.on_success(streamhost)
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						return 2
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			return 0
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		if 'streamhosts' in file_props:
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			for host in file_props['streamhosts']:
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				if streamhost['state'] == 1:
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						 | 
				
			
			@ -105,22 +105,21 @@ class SocksQueue:
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			self.on_success(streamhost)
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			return 1
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		return 0
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	def connect_to_hosts(self, account, sid, on_success = None, 
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		on_failure = None):
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	def connect_to_hosts(self, account, sid, on_success=None, on_failure=None):
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		self.on_success = on_success
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		self.on_failure = on_failure
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		file_props = self.files_props[account][sid]
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		file_props['failure_cb'] = on_failure
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		# add streamhosts to the queue 
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		# add streamhosts to the queue
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		for streamhost in file_props['streamhosts']:
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			receiver = Socks5Receiver(self.idlequeue, streamhost, sid, file_props)
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			self.add_receiver(account, receiver)
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			streamhost['idx'] = receiver.queue_idx
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	def _socket_connected(self, streamhost, file_props):
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		''' called when there is a host connected to one of the 
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		''' called when there is a host connected to one of the
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		senders's streamhosts. Stop othere attempts for connections '''
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		for host in file_props['streamhosts']:
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			if host != streamhost and 'idx' in host:
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						 | 
				
			
			@ -130,14 +129,14 @@ class SocksQueue:
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					return
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				# set state -2, meaning that this streamhost is stopped,
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				# but it may be connectected later
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				if host['state'] >=0:
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				if host['state'] >= 0:
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					self.remove_receiver(host['idx'])
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					host['idx'] = -1
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					host['state'] = -2
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	def reconnect_receiver(self, receiver, streamhost):
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		''' Check the state of all streamhosts and if all has failed, then 
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		emit connection failure cb. If there are some which are still 
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		''' Check the state of all streamhosts and if all has failed, then
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		emit connection failure cb. If there are some which are still
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		not connected try to establish connection to one of them.
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		'''
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		self.idlequeue.remove_timeout(receiver.fd)
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			@ -156,7 +155,8 @@ class SocksQueue:
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			for host in file_props['streamhosts']:
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				if host['state'] == -2:
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					host['state'] = 0
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					receiver = Socks5Receiver(self.idlequeue, host, host['sid'], file_props)
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					receiver = Socks5Receiver(self.idlequeue, host, host['sid'],
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						file_props)
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					self.add_receiver(receiver.account, receiver)
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					host['idx'] = receiver.queue_idx
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			# we still have chances to connect
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			@ -169,7 +169,7 @@ class SocksQueue:
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			receiver.disconnect()
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			file_props['error'] = -1
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			self.process_result(-1, receiver)
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	def _connection_refused(self, streamhost, file_props, idx):
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		''' cb, called when we loose connection during transfer'''
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		if file_props is None:
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			@ -182,10 +182,10 @@ class SocksQueue:
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					return
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		# failure_cb exists - this means that it has never been called
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		if 'failure_cb' in file_props and file_props['failure_cb']:
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			file_props['failure_cb'](streamhost['initiator'], streamhost['id'], 
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			file_props['failure_cb'](streamhost['initiator'], streamhost['id'],
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				file_props['sid'], code = 404)
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			del(file_props['failure_cb'])
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	def add_receiver(self, account, sock5_receiver):
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		''' add new file request '''
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		self.readers[self.idx] = sock5_receiver
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			@ -200,23 +200,21 @@ class SocksQueue:
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			self.process_result(result, sock5_receiver)
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			return 1
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		return None
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	def get_file_from_sender(self, file_props, account):
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		if file_props is None:
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			return
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		if 'hash' in file_props and \
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			file_props['hash'] in self.senders:
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		if 'hash' in file_props and file_props['hash'] in self.senders:
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			sender = self.senders[file_props['hash']]
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			sender.account = account
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			result = self.get_file_contents(0)
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			self.process_result(result, sender)
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	def result_sha(self, sha_str, idx):
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		if sha_str in self.sha_handlers:
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			props = self.sha_handlers[sha_str]
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			props[0](props[1], idx)
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	def activate_proxy(self, idx):
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		if idx not in self.readers:
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			return
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			@ -242,15 +240,14 @@ class SocksQueue:
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			self.idlequeue.plug_idle(reader, True, False)
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			result = reader.write_next()
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			self.process_result(result, reader)
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	def send_file(self, file_props, account):
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		if 'hash' in file_props and \
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			file_props['hash'] in self.senders:
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		if 'hash' in file_props and file_props['hash'] in self.senders:
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			sender = self.senders[file_props['hash']]
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			file_props['streamhost-used'] = True
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			sender.account = account
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			if file_props['type'] == 's':
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				sender.file_props = file_props 
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				sender.file_props = file_props
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				result = sender.send_file()
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				self.process_result(result, sender)
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			else:
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			@ -258,28 +255,27 @@ class SocksQueue:
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				file_props['last-time'] = self.idlequeue.current_time()
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				file_props['received-len'] = 0
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				sender.file_props = file_props
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	def add_file_props(self, account, file_props):
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		''' file_prop to the dict of current file_props.
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		It is identified by account name and sid
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		'''
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		if file_props is None or \
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			('sid' in file_props) is False:
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		if file_props is None or ('sid' in file_props) is False:
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			return
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		_id = file_props['sid']
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		if account not in self.files_props:
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			self.files_props[account] = {}
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		self.files_props[account][_id] = file_props
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	def remove_file_props(self, account, sid):
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		if account in self.files_props:
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			fl_props = self.files_props[account]
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			if sid in fl_props:
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				del(fl_props[sid])
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		if len(self.files_props) == 0:
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			self.connected = 0
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	def get_file_props(self, account, sid):
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		''' get fil_prop by account name and session id '''
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		if account in self.files_props:
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			@ -287,14 +283,14 @@ class SocksQueue:
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			if sid in fl_props:
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				return fl_props[sid]
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		return None
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	def on_connection_accepted(self, sock):
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		sock_hash =  sock.__hash__()
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		sock_hash = sock.__hash__()
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		if sock_hash not in self.senders:
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			self.senders[sock_hash] = Socks5Sender(self.idlequeue, 
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				sock_hash, self, sock[0], sock[1][0], sock[1][1])
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			self.senders[sock_hash] = Socks5Sender(self.idlequeue, sock_hash, self,
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				sock[0], sock[1][0], sock[1][1])
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			self.connected += 1
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	def process_result(self, result, actor):
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		''' Take appropriate actions upon the result:
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		[ 0, - 1 ] complete/end transfer
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			@ -310,9 +306,9 @@ class SocksQueue:
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			self.complete_transfer_cb(account, actor.file_props)
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		elif self.progress_transfer_cb is not None:
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			self.progress_transfer_cb(actor.account, actor.file_props)
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	def remove_receiver(self, idx, do_disconnect = True):
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		''' Remove reciver from the list and decrease 
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	def remove_receiver(self, idx, do_disconnect=True):
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		''' Remove reciver from the list and decrease
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		the number of active connections with 1'''
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		if idx != -1:
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			if idx in self.readers:
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			@ -323,11 +319,11 @@ class SocksQueue:
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					reader.disconnect()
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				else:
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					if reader.streamhost is not None:
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						reader.streamhost['state'] = -1 
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						reader.streamhost['state'] = -1
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					del(self.readers[idx])
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	def remove_sender(self, idx, do_disconnect = True):
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		''' Remove sender from the list of senders and decrease the 
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	def remove_sender(self, idx, do_disconnect=True):
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		''' Remove sender from the list of senders and decrease the
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		number of active connections with 1'''
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		if idx != -1:
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			if idx in self.senders:
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			@ -342,13 +338,14 @@ class SocksQueue:
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				self.listener.disconnect()
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				self.listener = None
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				self.connected -= 1
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class Socks5:
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	def __init__(self, idlequeue, host, port, initiator, target, sid):
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		if host is not None:
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			try:
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				self.host = host
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				self.ais = socket.getaddrinfo(host, port, socket.AF_UNSPEC, socket.SOCK_STREAM)
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				self.ais = socket.getaddrinfo(host, port, socket.AF_UNSPEC,
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					socket.SOCK_STREAM)
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			except socket.gaierror:
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				self.ais = None
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		self.idlequeue = idlequeue
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			@ -364,7 +361,7 @@ class Socks5:
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		self.size = 0
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		self.remaining_buff = ''
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		self.file = None
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	def open_file_for_reading(self):
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		if self.file is None:
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			try:
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			@ -376,7 +373,7 @@ class Socks5:
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			except IOError, e:
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				self.close_file()
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				raise IOError, e
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	def close_file(self):
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		if self.file:
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			if not self.file.closed:
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			@ -385,7 +382,7 @@ class Socks5:
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				except Exception:
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					pass
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			self.file = None
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	def get_fd(self):
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		''' Test if file is already open and return its fd,
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		or just open the file and return the fd.
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			@ -404,7 +401,7 @@ class Socks5:
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			self.file_props['last-time'] = self.idlequeue.current_time()
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			self.file_props['received-len'] = offset
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		return fd
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	def rem_fd(self, fd):
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		if 'fd' in self.file_props:
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			del(self.file_props['fd'])
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| 
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			@ -412,21 +409,20 @@ class Socks5:
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			fd.close()
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		except Exception:
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			pass
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	def receive(self):
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		''' Reads small chunks of data. 
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		''' Reads small chunks of data.
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			Calls owner's disconnected() method if appropriate.'''
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		received = ''
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		try: 
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		try:
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			add = self._recv(64)
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		except Exception, e: 
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			add=''
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		received +=add
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		except Exception, e:
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			add = ''
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		received += add
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		if len(add) == 0:
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			self.disconnect()
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		return add
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	def send_raw(self,raw_data):
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		''' Writes raw outgoing data. '''
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		try:
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						 | 
				
			
			@ -434,7 +430,7 @@ class Socks5:
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		except Exception, e:
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			self.disconnect()
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		return len(raw_data)
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	def write_next(self):
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		if self.remaining_buff != '':
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			buff = self.remaining_buff
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| 
						 | 
				
			
			@ -483,12 +479,10 @@ class Socks5:
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			self.state = 8 # end connection
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			self.disconnect()
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			return -1
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	def get_file_contents(self, timeout):
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		''' read file contents from socket and write them to file ''', \
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			self.file_props['type'], self.file_props['sid']
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		if self.file_props is None or \
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			('file-name' in self.file_props) is False:
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		''' read file contents from socket and write them to file '''
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		if self.file_props is None or ('file-name' in self.file_props) is False:
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			self.file_props['error'] = -2
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			return None
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		fd = None
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| 
						 | 
				
			
			@ -510,7 +504,7 @@ class Socks5:
 | 
			
		|||
				return 0
 | 
			
		||||
		else:
 | 
			
		||||
			fd = self.get_fd()
 | 
			
		||||
			try: 
 | 
			
		||||
			try:
 | 
			
		||||
				buff = self._recv(MAX_BUFF_LEN)
 | 
			
		||||
			except Exception, e:
 | 
			
		||||
				buff = ''
 | 
			
		||||
| 
						 | 
				
			
			@ -549,7 +543,7 @@ class Socks5:
 | 
			
		|||
			if self.file_props['received-len'] != 0:
 | 
			
		||||
				return self.file_props['received-len']
 | 
			
		||||
		return None
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def disconnect(self):
 | 
			
		||||
		''' Closes open descriptors and remover socket descr. from idleque '''
 | 
			
		||||
		# be sure that we don't leave open file
 | 
			
		||||
| 
						 | 
				
			
			@ -565,12 +559,12 @@ class Socks5:
 | 
			
		|||
		self.connected = False
 | 
			
		||||
		self.fd = -1
 | 
			
		||||
		self.state = -1
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def _get_auth_buff(self):
 | 
			
		||||
		''' Message, that we support 1 one auth mechanism: 
 | 
			
		||||
		''' Message, that we support 1 one auth mechanism:
 | 
			
		||||
		the 'no auth' mechanism. '''
 | 
			
		||||
		return struct.pack('!BBB', 0x05, 0x01, 0x00)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def _parse_auth_buff(self, buff):
 | 
			
		||||
		''' Parse the initial message and create a list of auth
 | 
			
		||||
		mechanisms '''
 | 
			
		||||
| 
						 | 
				
			
			@ -583,30 +577,31 @@ class Socks5:
 | 
			
		|||
		except Exception:
 | 
			
		||||
			return None
 | 
			
		||||
		return auth_mechanisms
 | 
			
		||||
 | 
			
		||||
	def _get_auth_response(self):
 | 
			
		||||
		''' socks version(5), number of extra auth methods (we send
 | 
			
		||||
		0x00 - no auth
 | 
			
		||||
		) '''
 | 
			
		||||
		return struct.pack('!BB', 0x05, 0x00)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def _get_connect_buff(self):
 | 
			
		||||
		''' Connect request by domain name '''
 | 
			
		||||
		buff = struct.pack('!BBBBB%dsBB' % len(self.host), 
 | 
			
		||||
			0x05, 0x01, 0x00, 0x03, len(self.host), self.host, 
 | 
			
		||||
		buff = struct.pack('!BBBBB%dsBB' % len(self.host),
 | 
			
		||||
			0x05, 0x01, 0x00, 0x03, len(self.host), self.host,
 | 
			
		||||
			self.port >> 8, self.port & 0xff)
 | 
			
		||||
		return buff
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def _get_request_buff(self, msg, command = 0x01):
 | 
			
		||||
		''' Connect request by domain name, 
 | 
			
		||||
		''' Connect request by domain name,
 | 
			
		||||
		sid sha, instead of domain name (jep 0096) '''
 | 
			
		||||
		buff = struct.pack('!BBBBB%dsBB' % len(msg), 
 | 
			
		||||
		buff = struct.pack('!BBBBB%dsBB' % len(msg),
 | 
			
		||||
			0x05, command, 0x00, 0x03, len(msg), msg, 0, 0)
 | 
			
		||||
		return buff
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def _parse_request_buff(self, buff):
 | 
			
		||||
		try: # don't trust on what comes from the outside
 | 
			
		||||
			version, req_type, reserved, host_type,  = \
 | 
			
		||||
				struct.unpack('!BBBB', buff[:4])
 | 
			
		||||
			version, req_type, reserved, host_type, = struct.unpack('!BBBB',
 | 
			
		||||
				buff[:4])
 | 
			
		||||
			if host_type == 0x01:
 | 
			
		||||
				host_arr = struct.unpack('!iiii', buff[4:8])
 | 
			
		||||
				host, = '.'.join(str(s) for s in host_arr)
 | 
			
		||||
| 
						 | 
				
			
			@ -615,18 +610,18 @@ class Socks5:
 | 
			
		|||
				host_len,  = struct.unpack('!B' , buff[4])
 | 
			
		||||
				host, = struct.unpack('!%ds' % host_len, buff[5:5 + host_len])
 | 
			
		||||
			portlen = len(buff[host_len + 5:])
 | 
			
		||||
			if portlen == 1: 
 | 
			
		||||
			if portlen == 1:
 | 
			
		||||
				port, = struct.unpack('!B', buff[host_len + 5])
 | 
			
		||||
			elif portlen == 2: 
 | 
			
		||||
			elif portlen == 2:
 | 
			
		||||
				port, = struct.unpack('!H', buff[host_len + 5:])
 | 
			
		||||
			# file data, comes with auth message (Gaim bug)
 | 
			
		||||
			else: 
 | 
			
		||||
			else:
 | 
			
		||||
				port, = struct.unpack('!H', buff[host_len + 5: host_len + 7])
 | 
			
		||||
				self.remaining_buff = buff[host_len + 7:]
 | 
			
		||||
		except Exception:
 | 
			
		||||
			return (None, None, None)
 | 
			
		||||
		return (req_type, host, port)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def read_connect(self):
 | 
			
		||||
		''' connect responce: version, auth method '''
 | 
			
		||||
		buff = self._recv()
 | 
			
		||||
| 
						 | 
				
			
			@ -636,7 +631,7 @@ class Socks5:
 | 
			
		|||
			version, method = None, None
 | 
			
		||||
		if version != 0x05 or method == 0xff:
 | 
			
		||||
			self.disconnect()
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def continue_paused_transfer(self):
 | 
			
		||||
		if self.state < 5:
 | 
			
		||||
			return
 | 
			
		||||
| 
						 | 
				
			
			@ -644,18 +639,20 @@ class Socks5:
 | 
			
		|||
			self.idlequeue.plug_idle(self, False, True)
 | 
			
		||||
		else:
 | 
			
		||||
			self.idlequeue.plug_idle(self, True, False)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def _get_sha1_auth(self):
 | 
			
		||||
		''' get sha of sid + Initiator jid + Target jid '''
 | 
			
		||||
		if 'is_a_proxy' in self.file_props:
 | 
			
		||||
			del(self.file_props['is_a_proxy'])
 | 
			
		||||
			return sha.new('%s%s%s' % (self.sid, self.file_props['proxy_sender'], 
 | 
			
		||||
			return sha.new('%s%s%s' % (self.sid, self.file_props['proxy_sender'],
 | 
			
		||||
				self.file_props['proxy_receiver'])).hexdigest()
 | 
			
		||||
		return sha.new('%s%s%s' % (self.sid, self.initiator, self.target)).hexdigest()
 | 
			
		||||
	
 | 
			
		||||
		return sha.new('%s%s%s' % (self.sid, self.initiator, self.target)).\
 | 
			
		||||
			hexdigest()
 | 
			
		||||
 | 
			
		||||
class Socks5Sender(Socks5, IdleObject):
 | 
			
		||||
	''' class for sending file to socket over socks5 '''
 | 
			
		||||
	def __init__(self, idlequeue, sock_hash, parent, _sock, host = None, port = None):
 | 
			
		||||
	def __init__(self, idlequeue, sock_hash, parent, _sock, host=None,
 | 
			
		||||
	port=None):
 | 
			
		||||
		self.queue_idx = sock_hash
 | 
			
		||||
		self.queue = parent
 | 
			
		||||
		Socks5.__init__(self, idlequeue, host, port, None, None, None)
 | 
			
		||||
| 
						 | 
				
			
			@ -669,7 +666,7 @@ class Socks5Sender(Socks5, IdleObject):
 | 
			
		|||
		self.file_props = None
 | 
			
		||||
		# start waiting for data
 | 
			
		||||
		self.idlequeue.plug_idle(self, False, True)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def read_timeout(self):
 | 
			
		||||
		self.idlequeue.remove_timeout(self.fd)
 | 
			
		||||
		if self.state > 5:
 | 
			
		||||
| 
						 | 
				
			
			@ -680,9 +677,9 @@ class Socks5Sender(Socks5, IdleObject):
 | 
			
		|||
				if SEND_TIMEOUT > 0:
 | 
			
		||||
					self.idlequeue.set_read_timeout(self.fd, SEND_TIMEOUT)
 | 
			
		||||
			else:
 | 
			
		||||
				# stop transfer, there is no error code for this 
 | 
			
		||||
				# stop transfer, there is no error code for this
 | 
			
		||||
				self.pollend()
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def pollout(self):
 | 
			
		||||
		if not self.connected:
 | 
			
		||||
			self.disconnect()
 | 
			
		||||
| 
						 | 
				
			
			@ -696,7 +693,7 @@ class Socks5Sender(Socks5, IdleObject):
 | 
			
		|||
			if self.file_props['paused']:
 | 
			
		||||
				self.file_props['continue_cb'] = self.continue_paused_transfer
 | 
			
		||||
				self.idlequeue.plug_idle(self, False, False)
 | 
			
		||||
				return 
 | 
			
		||||
				return
 | 
			
		||||
			result = self.write_next()
 | 
			
		||||
			self.queue.process_result(result, self)
 | 
			
		||||
			if result is None or result <= 0:
 | 
			
		||||
| 
						 | 
				
			
			@ -712,13 +709,13 @@ class Socks5Sender(Socks5, IdleObject):
 | 
			
		|||
			self.state += 1
 | 
			
		||||
			# unplug and plug this time for reading
 | 
			
		||||
			self.idlequeue.plug_idle(self, False, True)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def pollend(self):
 | 
			
		||||
		self.state = 8 # end connection
 | 
			
		||||
		self.disconnect()
 | 
			
		||||
		self.file_props['error'] = -1
 | 
			
		||||
		self.queue.process_result(-1, self)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def pollin(self):
 | 
			
		||||
		if self.connected:
 | 
			
		||||
			if self.state < 5:
 | 
			
		||||
| 
						 | 
				
			
			@ -727,17 +724,16 @@ class Socks5Sender(Socks5, IdleObject):
 | 
			
		|||
					self.queue.result_sha(self.sha_msg, self.queue_idx)
 | 
			
		||||
				if result == -1:
 | 
			
		||||
					self.disconnect()
 | 
			
		||||
			
 | 
			
		||||
 | 
			
		||||
			elif self.state == 5:
 | 
			
		||||
				if self.file_props is not None and \
 | 
			
		||||
				self.file_props['type'] == 'r':
 | 
			
		||||
				if self.file_props is not None and self.file_props['type'] == 'r':
 | 
			
		||||
					result = self.get_file_contents(0)
 | 
			
		||||
					self.queue.process_result(result, self)
 | 
			
		||||
		else:
 | 
			
		||||
			self.disconnect()
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def send_file(self):
 | 
			
		||||
		''' start sending the file over verified connection ''' 
 | 
			
		||||
		''' start sending the file over verified connection '''
 | 
			
		||||
		if self.file_props['started']:
 | 
			
		||||
			return
 | 
			
		||||
		self.file_props['error'] = 0
 | 
			
		||||
| 
						 | 
				
			
			@ -756,7 +752,7 @@ class Socks5Sender(Socks5, IdleObject):
 | 
			
		|||
		# plug for writing
 | 
			
		||||
		self.idlequeue.plug_idle(self, True, False)
 | 
			
		||||
		return self.write_next() # initial for nl byte
 | 
			
		||||
		
 | 
			
		||||
 | 
			
		||||
	def main(self):
 | 
			
		||||
		''' initial requests for verifying the connection '''
 | 
			
		||||
		if self.state == 1: # initial read
 | 
			
		||||
| 
						 | 
				
			
			@ -775,8 +771,8 @@ class Socks5Sender(Socks5, IdleObject):
 | 
			
		|||
		# unplug & plug for writing
 | 
			
		||||
		self.idlequeue.plug_idle(self, True, False)
 | 
			
		||||
		return None
 | 
			
		||||
			
 | 
			
		||||
	def disconnect(self, cb = True):
 | 
			
		||||
 | 
			
		||||
	def disconnect(self, cb=True):
 | 
			
		||||
		''' Closes the socket. '''
 | 
			
		||||
		# close connection and remove us from the queue
 | 
			
		||||
		Socks5.disconnect(self)
 | 
			
		||||
| 
						 | 
				
			
			@ -788,20 +784,20 @@ class Socks5Sender(Socks5, IdleObject):
 | 
			
		|||
 | 
			
		||||
class Socks5Listener(IdleObject):
 | 
			
		||||
	def __init__(self, idlequeue, port):
 | 
			
		||||
		''' handle all incomming connections on (0.0.0.0, port) 
 | 
			
		||||
		''' handle all incomming connections on (0.0.0.0, port)
 | 
			
		||||
		This class implements IdleObject, but we will expect
 | 
			
		||||
		only pollin events though
 | 
			
		||||
		'''
 | 
			
		||||
		self.port = port
 | 
			
		||||
		self.ais = socket.getaddrinfo(None, port, socket.AF_UNSPEC,
 | 
			
		||||
					socket.SOCK_STREAM, socket.SOL_TCP, socket.AI_PASSIVE)
 | 
			
		||||
		self.queue_idx = -1	
 | 
			
		||||
			socket.SOCK_STREAM, socket.SOL_TCP, socket.AI_PASSIVE)
 | 
			
		||||
		self.queue_idx = -1
 | 
			
		||||
		self.idlequeue = idlequeue
 | 
			
		||||
		self.queue = None
 | 
			
		||||
		self.started = False
 | 
			
		||||
		self._sock = None
 | 
			
		||||
		self.fd = -1
 | 
			
		||||
		
 | 
			
		||||
 | 
			
		||||
	def bind(self):
 | 
			
		||||
		for ai in self.ais:
 | 
			
		||||
			#try the different possibilities (ipv6, ipv4, etc.)
 | 
			
		||||
| 
						 | 
				
			
			@ -825,16 +821,16 @@ class Socks5Listener(IdleObject):
 | 
			
		|||
		self.fd = self._serv.fileno()
 | 
			
		||||
		self.idlequeue.plug_idle(self, False, True)
 | 
			
		||||
		self.started = True
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def pollend(self):
 | 
			
		||||
		''' called when we stop listening on (host, port) '''
 | 
			
		||||
		self.disconnect()
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def pollin(self):
 | 
			
		||||
		''' accept a new incomming connection and notify queue'''
 | 
			
		||||
		sock = self.accept_conn()
 | 
			
		||||
		self.queue.on_connection_accepted(sock)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def disconnect(self):
 | 
			
		||||
		''' free all resources, we are not listening anymore '''
 | 
			
		||||
		self.idlequeue.remove_timeout(self.fd)
 | 
			
		||||
| 
						 | 
				
			
			@ -846,13 +842,13 @@ class Socks5Listener(IdleObject):
 | 
			
		|||
			self._serv.close()
 | 
			
		||||
		except Exception:
 | 
			
		||||
			pass
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def accept_conn(self):
 | 
			
		||||
		''' accepts a new incomming connection '''
 | 
			
		||||
		_sock  = self._serv.accept()
 | 
			
		||||
		_sock[0].setblocking(False)
 | 
			
		||||
		return _sock
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
class Socks5Receiver(Socks5, IdleObject):
 | 
			
		||||
	def __init__(self, idlequeue, streamhost, sid, file_props = None):
 | 
			
		||||
		self.queue_idx = -1
 | 
			
		||||
| 
						 | 
				
			
			@ -871,9 +867,10 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
		self.file_props['paused'] = False
 | 
			
		||||
		self.file_props['continue_cb'] = self.continue_paused_transfer
 | 
			
		||||
		self.file_props['stalled'] = False
 | 
			
		||||
		Socks5.__init__(self, idlequeue, streamhost['host'], int(streamhost['port']), 
 | 
			
		||||
			streamhost['initiator'], streamhost['target'], sid)
 | 
			
		||||
	
 | 
			
		||||
		Socks5.__init__(self, idlequeue, streamhost['host'],
 | 
			
		||||
			int(streamhost['port']), streamhost['initiator'], streamhost['target'],
 | 
			
		||||
			sid)
 | 
			
		||||
 | 
			
		||||
	def read_timeout(self):
 | 
			
		||||
		self.idlequeue.remove_timeout(self.fd)
 | 
			
		||||
		if self.state > 5:
 | 
			
		||||
| 
						 | 
				
			
			@ -886,11 +883,11 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
				if READ_TIMEOUT > 0:
 | 
			
		||||
					self.idlequeue.set_read_timeout(self.fd, READ_TIMEOUT)
 | 
			
		||||
			else:
 | 
			
		||||
				# stop transfer, there is no error code for this 
 | 
			
		||||
				# stop transfer, there is no error code for this
 | 
			
		||||
				self.pollend()
 | 
			
		||||
		else:
 | 
			
		||||
			self.queue.reconnect_receiver(self, self.streamhost)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def connect(self):
 | 
			
		||||
		''' create the socket and plug it to the idlequeue '''
 | 
			
		||||
		if self.ais is None:
 | 
			
		||||
| 
						 | 
				
			
			@ -898,10 +895,10 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
 | 
			
		||||
		for ai in self.ais:
 | 
			
		||||
			try:
 | 
			
		||||
				self._sock=socket.socket(*ai[:3])
 | 
			
		||||
				self._sock = socket.socket(*ai[:3])
 | 
			
		||||
				# this will not block the GUI
 | 
			
		||||
				self._sock.setblocking(False)
 | 
			
		||||
				self._server=ai[4]
 | 
			
		||||
				self._server = ai[4]
 | 
			
		||||
				break
 | 
			
		||||
			except Exception:
 | 
			
		||||
				if sys.exc_value[0] == errno.EINPROGRESS:
 | 
			
		||||
| 
						 | 
				
			
			@ -914,11 +911,12 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
		self.do_connect()
 | 
			
		||||
		self.idlequeue.set_read_timeout(self.fd, CONNECT_TIMEOUT)
 | 
			
		||||
		return None
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def _is_connected(self):
 | 
			
		||||
		if self.state < 5:
 | 
			
		||||
			return False
 | 
			
		||||
		return True
 | 
			
		||||
 | 
			
		||||
	def pollout(self):
 | 
			
		||||
		self.idlequeue.remove_timeout(self.fd)
 | 
			
		||||
		if self.state == 0:
 | 
			
		||||
| 
						 | 
				
			
			@ -939,7 +937,7 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
		# unplug and plug for reading
 | 
			
		||||
		self.idlequeue.plug_idle(self, False, True)
 | 
			
		||||
		self.idlequeue.set_read_timeout(self.fd, CONNECT_TIMEOUT)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def pollend(self):
 | 
			
		||||
		if self.state >= 5:
 | 
			
		||||
			# error during transfer
 | 
			
		||||
| 
						 | 
				
			
			@ -948,7 +946,7 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
			self.queue.process_result(-1, self)
 | 
			
		||||
		else:
 | 
			
		||||
			self.queue.reconnect_receiver(self, self.streamhost)
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def pollin(self):
 | 
			
		||||
		self.idlequeue.remove_timeout(self.fd)
 | 
			
		||||
		if self.connected:
 | 
			
		||||
| 
						 | 
				
			
			@ -965,10 +963,9 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
				self.idlequeue.set_read_timeout(self.fd, STALLED_TIMEOUT)
 | 
			
		||||
				result = self.get_file_contents(0)
 | 
			
		||||
				self.queue.process_result(result, self)
 | 
			
		||||
				
 | 
			
		||||
		else:
 | 
			
		||||
			self.disconnect()
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	def do_connect(self):
 | 
			
		||||
		try:
 | 
			
		||||
			self._sock.connect(self._server)
 | 
			
		||||
| 
						 | 
				
			
			@ -979,7 +976,7 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
			(errnum, errstr) = ee
 | 
			
		||||
			self.connect_timeout += 1
 | 
			
		||||
			if errnum == 111 or self.connect_timeout > 1000:
 | 
			
		||||
				self.queue._connection_refused(self.streamhost, 
 | 
			
		||||
				self.queue._connection_refused(self.streamhost,
 | 
			
		||||
					self.file_props, self.queue_idx)
 | 
			
		||||
				return None
 | 
			
		||||
			# win32 needs this
 | 
			
		||||
| 
						 | 
				
			
			@ -994,13 +991,13 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
		self.file_props['connected'] = True
 | 
			
		||||
		self.file_props['disconnect_cb'] = self.disconnect
 | 
			
		||||
		self.state = 1 # connected
 | 
			
		||||
		
 | 
			
		||||
 | 
			
		||||
		# stop all others connections to sender's streamhosts
 | 
			
		||||
		self.queue._socket_connected(self.streamhost, self.file_props)
 | 
			
		||||
		self.idlequeue.plug_idle(self, True, False)
 | 
			
		||||
		return 1 # we are connected
 | 
			
		||||
		
 | 
			
		||||
	def main(self, timeout = 0):
 | 
			
		||||
 | 
			
		||||
	def main(self, timeout=0):
 | 
			
		||||
		''' begin negotiation. on success 'address' != 0 '''
 | 
			
		||||
		result = 1
 | 
			
		||||
		buff = self.receive()
 | 
			
		||||
| 
						 | 
				
			
			@ -1008,7 +1005,7 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
			# end connection
 | 
			
		||||
			self.pollend()
 | 
			
		||||
			return
 | 
			
		||||
		
 | 
			
		||||
 | 
			
		||||
		if self.state == 2: # read auth response
 | 
			
		||||
			if buff is None or len(buff) != 2:
 | 
			
		||||
				return None
 | 
			
		||||
| 
						 | 
				
			
			@ -1027,7 +1024,7 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
				addrlen = ord(buff[4])
 | 
			
		||||
				address = struct.unpack('!%ds' % addrlen, buff[5:addrlen + 5])
 | 
			
		||||
				portlen = len(buff[addrlen + 5:])
 | 
			
		||||
				if portlen == 1: 
 | 
			
		||||
				if portlen == 1:
 | 
			
		||||
					port, = struct.unpack('!B', buff[addrlen + 5])
 | 
			
		||||
				elif portlen == 2:
 | 
			
		||||
					port, = struct.unpack('!H', buff[addrlen + 5:])
 | 
			
		||||
| 
						 | 
				
			
			@ -1036,14 +1033,14 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
					self.remaining_buff = buff[addrlen + 7:]
 | 
			
		||||
			self.state = 5 # for senders: init file_props and send '\n'
 | 
			
		||||
			if self.queue.on_success:
 | 
			
		||||
				result = self.queue.send_success_reply(self.file_props, 
 | 
			
		||||
				result = self.queue.send_success_reply(self.file_props,
 | 
			
		||||
					self.streamhost)
 | 
			
		||||
				if result == 0:
 | 
			
		||||
					self.state = 8
 | 
			
		||||
					self.disconnect()
 | 
			
		||||
		
 | 
			
		||||
		# for senders: init file_props 
 | 
			
		||||
		if result == 1 and self.state == 5: 
 | 
			
		||||
 | 
			
		||||
		# for senders: init file_props
 | 
			
		||||
		if result == 1 and self.state == 5:
 | 
			
		||||
			if self.file_props['type'] == 's':
 | 
			
		||||
				self.file_props['error'] = 0
 | 
			
		||||
				self.file_props['disconnect_cb'] = self.disconnect
 | 
			
		||||
| 
						 | 
				
			
			@ -1063,15 +1060,15 @@ class Socks5Receiver(Socks5, IdleObject):
 | 
			
		|||
				self.idlequeue.plug_idle(self, False, True)
 | 
			
		||||
			self.file_props['continue_cb'] = self.continue_paused_transfer
 | 
			
		||||
			# we have set up the connection, next - retrieve file
 | 
			
		||||
			self.state = 6 
 | 
			
		||||
			self.state = 6
 | 
			
		||||
		if self.state < 5:
 | 
			
		||||
			self.idlequeue.plug_idle(self, True, False)
 | 
			
		||||
			self.state += 1
 | 
			
		||||
			return None
 | 
			
		||||
	
 | 
			
		||||
	def disconnect(self, cb = True):
 | 
			
		||||
 | 
			
		||||
	def disconnect(self, cb=True):
 | 
			
		||||
		''' Closes the socket. Remove self from queue if cb is True'''
 | 
			
		||||
		# close connection 
 | 
			
		||||
		# close connection
 | 
			
		||||
		Socks5.disconnect(self)
 | 
			
		||||
		if cb is True:
 | 
			
		||||
			self.file_props['disconnect_cb'] = None
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
	Add table
		
		Reference in a new issue