server.py 文件源码

def _verify(self, conn, address):
        import string
        challenge = self._generate_challenge()
        conn.send("%d\n" % challenge)
        response = ""
        while "\n" not in response and len(response) < 100:
            data = conn.recv(100)
            if not data:
                break
            response = response + data
        try:
            response = string.atol(string.strip(response))
        except string.atol_error:
            if self._verbose > 0:
                print "Invalid response syntax", repr(response)
            return 0
        if not self._compare_challenge_response(challenge, response):
            if self._verbose > 0:
                print "Invalid response value", repr(response)
            return 0
        if self._verbose > 1:
            print "Response matches challenge.  Go ahead!"
        return 1