set proxy as invalid if hostname cannot be

resolved

src/common/proxy65_manager.py

@@ -186,6 +186,9 @@ class HostTester(Socks5, IdleObject):
 	
 	def connect(self):
 		''' create the socket and plug it to the idlequeue '''
+		if self.host is None:
+			self.on_failure()
+			return None
 		self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 		self._sock.setblocking(False)
 		self.fd = self._sock.fileno()

src/common/socks5.py

@@ -350,7 +350,10 @@ class SocksQueue:
 class Socks5:
 	def __init__(self, idlequeue, host, port, initiator, target, sid):
 		if host is not None:
-			self.host = socket.gethostbyname(host)
+			try:
+				self.host = socket.gethostbyname(host)
+			except socket.gaierror:
+				self.host = None
 		self.idlequeue = idlequeue
 		self.fd = -1
 		self.port = port