escape from sslerror due to broken protocol

src/common/xmpp/client_nb.py

@@ -127,11 +127,10 @@ class NBCommonClient(CommonClient):
 	def _on_connected(self):
 		self.connected = 'tcp'
 		if (self._Ssl is None and self.Connection.getPort() in (5223, 443)) or self._Ssl:
-			try:
+			transports_nb.NonBlockingTLS().PlugIn(self, now=1)
-				transports_nb.NonBlockingTLS().PlugIn(self, now=1)
+			if not self.Connection: # ssl error, stream is closed
-				self.connected = 'ssl'
-			except socket.sslerror:
 				return
+			self.connected = 'ssl'
 		self.onreceive(self._on_receive_document_attrs)
 		dispatcher_nb.Dispatcher().PlugIn(self)
 		
@@ -194,6 +193,8 @@ class NonBlockingClient(NBCommonClient):
 		self.isplugged = True
 		self.onreceive(None)
 		transports_nb.NonBlockingTLS().PlugIn(self)
+		if not self.Connection: # ssl error, stream is closed
+			return True
 		if not self.Dispatcher.Stream._document_attrs.has_key('version') or \
 			not self.Dispatcher.Stream._document_attrs['version']=='1.0': 
 			self._is_connected()

src/common/xmpp/transports_nb.py

@@ -371,8 +371,12 @@ class NonBlockingTLS(PlugIn):
 		PlugIn.PlugIn(self, owner)
 		DBG_LINE='NonBlockingTLS'
 		self.on_tls_start = on_tls_start
-		if now: 
+		if now:
-			res = self._startSSL()
+			try:
+				res = self._startSSL()
+			except Exception, e:
+				self._owner.socket.pollend()
+				return
 			self.tls_start()
 			return res
 		if self._owner.Dispatcher.Stream.features:
@@ -434,7 +438,11 @@ class NonBlockingTLS(PlugIn):
 			self.DEBUG('Got starttls response: ' + self.starttls,'error')
 			return
 		self.DEBUG('Got starttls proceed response. Switching to TLS/SSL...','ok')
-		self._startSSL()
+		try:
+			self._startSSL()
+		except Exception, e:
+			self._owner.socket.pollend()
+			return
 		self._owner.Dispatcher.PlugOut()
 		dispatcher_nb.Dispatcher().PlugIn(self._owner)