clientthread.py 文件源码

def check_channel_subsystem_request(self, channel, name):
        if not self.upstream or not self.upstream.allow_sftp:
            return False

        try:
            super(ClientThread, self).check_channel_subsystem_request(channel, name)
            self.logger.info('%s:%d: new subsystem "%s" requested' % (self.client_address + (name,)))
            return True
        except paramiko.SSHException:
            self.logger.critical('%s:%d: subsystem "%s" request failed' % (self.client_address + (name,)))
            return False