Python M2Crypto.SSL屬性代碼示例

# 需要導入模塊: import M2Crypto [as 別名]
# 或者: from M2Crypto import SSL [as 別名]
def __recv_msg_compat(sock,size,timeout):   # compatibility implementation for non-MSG_WAITALL / M2Crypto
	msglen=0
	msglist=[]
	# Receive chunks of max. 60kb size:
	# (rather arbitrary limit, but it avoids memory/buffer problems on certain OSes -- VAX/VMS, Windows)
	while msglen<size:
		chunk=sock.recv(min(60000,size-msglen))
		if not chunk:
			if hasattr(sock,'pending'):
				# m2crypto ssl socket - they have problems with a defaulttimeout
				if socket.getdefaulttimeout() != None:
					raise ConnectionClosedError("m2crypto SSL can't be used when socket.setdefaulttimeout() has been set")
			err = ConnectionClosedError('connection lost')
			err.partialMsg=''.join(msglist)    # store the message that was received until now
			raise err
		msglist.append(chunk)
		msglen+=len(chunk)
	return ''.join(msglist)


# Send a message over a socket. Raises ConnectionClosedError if the msg
# couldn't be sent (the connection has probably been lost then).
# We need this because 'send' isn't guaranteed to send all desired
# bytes in one call, for instance, when network load is high. 

# 需要導入模塊: import M2Crypto [as 別名]
# 或者: from M2Crypto import SSL [as 別名]
def __init__(self):
		PYROAdapter.__init__(self)
		try:
			from M2Crypto import SSL
		except ImportError:
			raise ProtocolError('SSL not available')

		self.ctx = SSL.Context('sslv23')
		if Pyro.config.PYROSSL_KEY:
			keyfile = os.path.join(Pyro.config.PYROSSL_CERTDIR, Pyro.config.PYROSSL_KEY)
		else:
			keyfile = None
		self.ctx.load_cert(os.path.join(Pyro.config.PYROSSL_CERTDIR, Pyro.config.PYROSSL_CERT),
				   keyfile)
		self.ctx.load_client_ca(os.path.join(Pyro.config.PYROSSL_CERTDIR, Pyro.config.PYROSSL_CA_CERT))
		self.ctx.load_verify_info(os.path.join(Pyro.config.PYROSSL_CERTDIR, Pyro.config.PYROSSL_CA_CERT))
		self.ctx.set_verify(SSL.verify_peer | SSL.verify_fail_if_no_peer_cert,10)
		self.ctx.set_allow_unknown_ca(1)
		Log.msg('PYROSSLAdapter','SSL Context initialized') 

# 需要導入模塊: import M2Crypto [as 別名]
# 或者: from M2Crypto import SSL [as 別名]
def getIPAddress(host=None):
	try:
		return socket.gethostbyname(host or getHostname())
	except socket.error:
		return None

	
#------ Socket helper functions for sending and receiving data correctly.


# process optional timeout on socket.
# notice the check for M2Crypto SSL sockets: if there's data pending,
# a select on them will fail. So we avoid calling select in that case. 

# 需要導入模塊: import M2Crypto [as 別名]
# 或者: from M2Crypto import SSL [as 別名]
def __call__(self,name,iglobals={},ilocals={},fromlist=None, *rest, **krest):
		if os.name=="java":
			# workaround for odd Jython bug, iglobals and ilocals may not exist in this scope...(?!)
			iglobals=vars().get("iglobals",{})
			ilocals=vars().get("ilocals",{})
		# save the import details:
		self.name=name		# note: this must be a str object
		self.fromlist=fromlist
		return self.orig_import(name,iglobals,ilocals,fromlist, *rest, **krest)

#
# The SSL adapter that handles SSL connections instead of regular sockets.
# 

# 需要導入模塊: import M2Crypto [as 別名]
# 或者: from M2Crypto import SSL [as 別名]
def bindToURI(self,URI):
		if URI.protocol not in ('PYROSSL','PYROLOCSSL'):
			Log.error('PYROSSLAdapter','incompatible protocol in URI:',URI.protocol)
			raise ProtocolError('incompatible protocol in URI')
		try:
			self.lock.acquire()   # only 1 thread at a time can bind the URI
			try:
				self.URI=URI
				sock = SSL.Connection(self.ctx,socket.socket(socket.AF_INET, socket.SOCK_STREAM))
				if not Pyro.config.PYROSSL_POSTCONNCHECK:
					sock.postConnectionCheck=None
				sock.connect((URI.address, URI.port))
				conn=TCPConnection(sock, sock.getpeername())
				# receive the authentication challenge string, and use that to build the actual identification string.
				authChallenge=self.recvAuthChallenge(conn)
				# reply with our ident token, generated from the ident passphrase and the challenge
				msg = self._sendConnect(sock,self.newConnValidator.createAuthToken(self.ident, authChallenge, conn.addr, self.URI, None) )
				if msg==self.acceptMSG:
					self.conn=conn
					self.conn.connected=1
					Log.msg('PYROSSLAdapter','connected to',str(URI))
					if URI.protocol=='PYROLOCSSL':
						self.resolvePYROLOC_URI("PYROSSL") # updates self.URI
				elif msg[:len(self.denyMSG)]==self.denyMSG:
					try:
						raise ConnectionDeniedError(Pyro.constants.deniedReasons[int(msg[-1])])
					except (KeyError,ValueError):
						raise ConnectionDeniedError('invalid response')
			except socket.error:
				Log.msg('PYROSSLAdapter','connection failed to URI',str(URI))
				raise ProtocolError('connection failed')
		finally:
			self.lock.release() 

# 需要導入模塊: import M2Crypto [as 別名]
# 或者: from M2Crypto import SSL [as 別名]
def _handleRequest_Threaded(self,timeout,others,callback):
		# self.connections is used to keep track of connection Threads
		socklist = [self.sock]+others
		ins,outs,exs = safe_select(socklist,[],[],timeout)
		if self.sock in ins:
			# it was the server socket, new incoming connection
			if self._ssl_server:
				try:
					csock, addr = self.sock.accept()
					#if not Pyro.config.PYROSSL_POSTCONNCHECK:
					#	csock.postConnectionCheck=None
				except SSL.SSLError,error:
					Log.warn('TCPServer','SSL error: '+str(error))
					return
			else:
				csock, addr = self.sock.accept()

			conn=TCPConnection(csock,addr)
			thread=Thread(target=self.connectionHandler, args=(conn,))
			thread.setDaemon(1)   # thread must exit at program termination.
			thread.localStorage=LocalStorage()
			self.connections.append(thread)
			thread.start()
		elif callback:
			# the 'others' must have fired...
			callback(ins) 

# 需要導入模塊: import M2Crypto [as 別名]
# 或者: from M2Crypto import SSL [as 別名]
def _handleRequest_NoThreads(self,timeout,others,callback):
		# self.connections is used to keep track of TCPConnections
		socklist = self.connections+[self.sock]+others
		ins,outs,exs = safe_select(socklist,[],[],timeout)
		if self.sock in ins:
			# it was the server socket, new incoming connection
			ins.remove(self.sock)
			if self._ssl_server:
				try:
					csock, addr = self.sock.accept()
					#if not Pyro.config.PYROSSL_POSTCONNCHECK:
					#	csock.postConnectionCheck=None
				except SSL.SSLError,error:
					Log.warn('TCPServer','SSL error: '+str(error))
					return
			else:
				csock, addr = self.sock.accept()

			conn=TCPConnection(csock,addr)
			if self.getAdapter().handleConnection(conn, self):
				Log.msg('TCPServer','new connection ',conn, ' #conns=',len(self.connections))
				self.connections.append(conn)
			else:
				# connection denied, log entry has already been written by newConnValidator
				self.removeConnection(conn)

		for c in ins[0:]:
			if isinstance(c,TCPConnection):
				ins.remove(c)
				try:
					self.handleInvocation(c)
					if not c.connected:
						self.removeConnection(c)
				except ConnectionClosedError:
					# client went away.
					self.removeConnection(c)
				except:
					self.handleError(c)
				
		if ins and callback:
			# the 'others' must have fired...
			callback(ins)

	# def handleInvocation(self, conn):	.... abstract method (implemented in subclass)