示例#1
0
    def handleSEND_CTRL_MSG(self):
        """ Send a message to the control port of selected Tor instances """

        if not self.ctl_dst.myNodeMemberOf():
            return
        if self.ctl_dst and self.ctl_msg :
            self.log.info("Sending control message to selected Tor nodes")
            #if not self.isSetup():
            #    self.log.warning("Tor not setup. Cannot send control port messages")
            #    return

            self.log.warning("Looking for the control port")
            controlPort = None
            controlAddr = None
            
            f = open(self.TOR_RC,'r')
            for line in f:
                if line.startswith("ControlPort"):
                    controlPort = line.split()[1]
                if line.startswith("ControlListenAddress"):
                    controlAddr = line.split()[1]

            if controlPort is None:
                self.log.warning("%s is not running a control port" % (testbed.getNodeName()))
                return
            
            if controlAddr is None:
                controlAddr = '127.0.0.1'
            try: 
                child = pexpect.spawn('nc %s %s' % (controlAddr, controlPort))
                child.sendline('authenticate ""')
                exp_result = child.expect(['250 OK',pexpect.EOF,pexpect.TIMEOUT])
                if exp_result == 1:
                    raise Exception("Pexpect ended with EOF")
                elif exp_result == 2:
                    raise Exception("Pexpect timed out")

                child.sendline('%s' % (self.ctl_msg))
                i = child.expect(['2\d\d [\d\w]+','[56]\d\d [\d\w]+'])
                if i==0:
                    self.log.info('Response: %s',child.after)
                    child.close()
                else: 
                    child.close()
                    raise Exception("Command failed: %s " % (child.before))
            except Exception as e:
                self.log.warning("Unable to send control port message: %s" % e)
                return

        else:
            self.log.warning("Need both destination and message to send control port message. (dest: %s, msg: %s" %(self.ctl_dst, self.ctl_msg))
示例#2
0
    def handleSAVE_DATA(self):
        """Save log data from the tor instances to the directory 
           specified by the 'save_data_dir' directory. Will not do anything if Tor
           is running."""

        is_client = (self.clients and self.clients.myNodeMemberOf())
        is_dir = (self.directory and self.directory.myNodeMemberOf())
        is_relay = (self.relays and self.relays.myNodeMemberOf())
        
        if not is_client and not is_relay and not is_dir:
            return

        if self.isRunning():
            raise Exception("Will not save data while Tor is running")

        if not self.save_data_dir or not os.path.exists(self.save_data_dir):
            raise Exception("SAVE_DATA command requires 'save_data_dir' to be specified and valid")

        ts = time.gmtime()
        minute_round = (ts[4]/5) * 5 if ts[4] != 0 else 0
        timesecs = time.mktime((ts[0],ts[1],ts[2],ts[3],minute_round + 5,0,ts[6],ts[7],ts[8]))
        path = "%s/%s/%s/%s" % (self.save_data_dir,testbed.experiment,int(timesecs),testbed.getNodeName())

        failed = False
        try:
            shutil.copytree(self.DATA_DIR,path)
        except shutil.Error as e:
            self.log.warning("Error copying data: %s" % (",".join(e)))
            failed = True
        try:
            shutil.copy(self.TOR_LOG,path)
        except shutil.Error as e:
            self.log.warning("Error copying data: %s" % (",".join(e)))
            failed = True
        try:
            shutil.copy(self.TOR_RC,path)
        except shutil.Error as e:
            self.log.warning("Error copying data: %s" % (",".join(e)))
            failed = True
        try:
            shutil.copy("/local/logs/daemon.log",path)
        except shutil.Error as e:
            self.log.warning("Error copying data: %s" % (",".join(e)))
            failed = True 

        if failed is True:
            raise Exception ("Failed to copy all items")

        self.log.info("Copied %s to %s" % (self.DATA_DIR, path))