python类OP_NO_SSLv2()的实例源码

def getContext(self):
        ctx = self._contextFactory(self.method)
        # See comment in DefaultOpenSSLContextFactory about SSLv2.
        ctx.set_options(SSL.OP_NO_SSLv2)
        return ctx

def test_method(self):
        """
        L{ssl.DefaultOpenSSLContextFactory.getContext} returns an SSL context
        which can use SSLv3 or TLSv1 but not SSLv2.
        """
        # SSLv23_METHOD allows SSLv2, SSLv3, or TLSv1
        self.assertEqual(self.context._method, SSL.SSLv23_METHOD)

        # And OP_NO_SSLv2 disables the SSLv2 support.
        self.assertTrue(self.context._options & SSL.OP_NO_SSLv2)

        # Make sure SSLv3 and TLSv1 aren't disabled though.
        self.assertFalse(self.context._options & SSL.OP_NO_SSLv3)
        self.assertFalse(self.context._options & SSL.OP_NO_TLSv1)

def test_method(self):
        """
        L{ssl.ClientContextFactory.getContext} returns a context which can use
        SSLv3 or TLSv1 but not SSLv2.
        """
        self.assertEqual(self.context._method, SSL.SSLv23_METHOD)
        self.assertTrue(self.context._options & SSL.OP_NO_SSLv2)
        self.assertFalse(self.context._options & SSL.OP_NO_SSLv3)
        self.assertFalse(self.context._options & SSL.OP_NO_TLSv1)

def test_tlsv1ByDefault(self):
        """
        L{sslverify.OpenSSLCertificateOptions} will make the default minimum
        TLS version v1.0, if no C{method}, or C{insecurelyLowerMinimumTo} is
        given.
        """
        opts = sslverify.OpenSSLCertificateOptions(
            privateKey=self.sKey,
            certificate=self.sCert
        )
        opts._contextFactory = FakeContext
        ctx = opts.getContext()
        options = (SSL.OP_NO_SSLv2 | SSL.OP_NO_COMPRESSION |
                   SSL.OP_CIPHER_SERVER_PREFERENCE | SSL.OP_NO_SSLv3)
        self.assertEqual(options, ctx._options & options)

def test_set_options(self):
        """
        :py:obj:`Context.set_options` returns the new options value.
        """
        context = Context(TLSv1_METHOD)
        options = context.set_options(OP_NO_SSLv2)
        self.assertTrue(OP_NO_SSLv2 & options)

def test_set_options_long(self):
            """
            On Python 2 :py:obj:`Context.set_options` accepts values of type
            :py:obj:`long` as well as :py:obj:`int`.
            """
            context = Context(TLSv1_METHOD)
            options = context.set_options(long(OP_NO_SSLv2))
            self.assertTrue(OP_NO_SSLv2 & options)