Python ssl.OP_NO_SSLv2方法代碼示例

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def __init__(self, host, port=None, key_file=None, cert_file=None,
                     strict=_strict_sentinel, timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
                     source_address=None, **_3to2kwargs):
            if 'check_hostname' in _3to2kwargs: check_hostname = _3to2kwargs['check_hostname']; del _3to2kwargs['check_hostname']
            else: check_hostname = None
            if 'context' in _3to2kwargs: context = _3to2kwargs['context']; del _3to2kwargs['context']
            else: context = None
            super(HTTPSConnection, self).__init__(host, port, strict, timeout,
                                                  source_address)
            self.key_file = key_file
            self.cert_file = cert_file
            if context is None:
                # Some reasonable defaults
                context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
                context.options |= ssl.OP_NO_SSLv2
            will_verify = context.verify_mode != ssl.CERT_NONE
            if check_hostname is None:
                check_hostname = will_verify
            elif check_hostname and not will_verify:
                raise ValueError("check_hostname needs a SSL context with "
                                 "either CERT_OPTIONAL or CERT_REQUIRED")
            if key_file or cert_file:
                context.load_cert_chain(cert_file, key_file)
            self._context = context
            self._check_hostname = check_hostname 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def urlopen(url, data=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, **_3to2kwargs):
    if 'cadefault' in _3to2kwargs: cadefault = _3to2kwargs['cadefault']; del _3to2kwargs['cadefault']
    else: cadefault = False
    if 'capath' in _3to2kwargs: capath = _3to2kwargs['capath']; del _3to2kwargs['capath']
    else: capath = None
    if 'cafile' in _3to2kwargs: cafile = _3to2kwargs['cafile']; del _3to2kwargs['cafile']
    else: cafile = None
    global _opener
    if cafile or capath or cadefault:
        if not _have_ssl:
            raise ValueError('SSL support not available')
        context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
        context.options |= ssl.OP_NO_SSLv2
        context.verify_mode = ssl.CERT_REQUIRED
        if cafile or capath:
            context.load_verify_locations(cafile, capath)
        else:
            context.set_default_verify_paths()
        https_handler = HTTPSHandler(context=context, check_hostname=True)
        opener = build_opener(https_handler)
    elif _opener is None:
        _opener = opener = build_opener()
    else:
        opener = _opener
    return opener.open(url, data, timeout) 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def _create_ssl_ctx(self, sslp):
        if isinstance(sslp, ssl.SSLContext):
            return sslp
        ca = sslp.get('ca')
        capath = sslp.get('capath')
        hasnoca = ca is None and capath is None
        ctx = ssl.create_default_context(cafile=ca, capath=capath)
        ctx.check_hostname = not hasnoca and sslp.get('check_hostname', True)
        ctx.verify_mode = ssl.CERT_NONE if hasnoca else ssl.CERT_REQUIRED
        if 'cert' in sslp:
            ctx.load_cert_chain(sslp['cert'], keyfile=sslp.get('key'))
        if 'cipher' in sslp:
            ctx.set_ciphers(sslp['cipher'])
        ctx.options |= ssl.OP_NO_SSLv2
        ctx.options |= ssl.OP_NO_SSLv3
        return ctx 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def __init__(self, *args, **kwargs):
        self.ssl_context = kwargs.pop('ssl_context', None)
        self.cipherSuite = kwargs.pop('cipherSuite', None)
        self.source_address = kwargs.pop('source_address', None)

        if self.source_address:
            if isinstance(self.source_address, str):
                self.source_address = (self.source_address, 0)

            if not isinstance(self.source_address, tuple):
                raise TypeError(
                    "source_address must be IP address string or (ip, port) tuple"
                )

        if not self.ssl_context:
            self.ssl_context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
            self.ssl_context.set_ciphers(self.cipherSuite)
            self.ssl_context.set_ecdh_curve('prime256v1')
            self.ssl_context.options |= (ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3 | ssl.OP_NO_TLSv1 | ssl.OP_NO_TLSv1_1)

        super(CipherSuiteAdapter, self).__init__(**kwargs)

    # ------------------------------------------------------------------------------- # 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def get_http2_ssl_context():
    """
    This function creates an SSLContext object that is suitably configured for
    HTTP/2. If you're working with Python TLS directly, you'll want to do the
    exact same setup as this function does.
    """
    # Get the basic context from the standard library.
    ctx = ssl.create_default_context(purpose=ssl.Purpose.CLIENT_AUTH)

    # RFC 7540 Section 9.2: Implementations of HTTP/2 MUST use TLS version 1.2
    # or higher. Disable TLS 1.1 and lower.
    ctx.options |= (
        ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3 | ssl.OP_NO_TLSv1 | ssl.OP_NO_TLSv1_1
    )

    # RFC 7540 Section 9.2.1: A deployment of HTTP/2 over TLS 1.2 MUST disable
    # compression.
    ctx.options |= ssl.OP_NO_COMPRESSION

    # RFC 7540 Section 9.2.2: "deployments of HTTP/2 that use TLS 1.2 MUST
    # support TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256". In practice, the
    # blocklist defined in this section allows only the AES GCM and ChaCha20
    # cipher suites with ephemeral key negotiation.
    ctx.set_ciphers("ECDHE+AESGCM:ECDHE+CHACHA20:DHE+AESGCM:DHE+CHACHA20")

    # We want to negotiate using NPN and ALPN. ALPN is mandatory, but NPN may
    # be absent, so allow that. This setup allows for negotiation of HTTP/1.1.
    ctx.set_alpn_protocols(["h2", "http/1.1"])

    try:
        ctx.set_npn_protocols(["h2", "http/1.1"])
    except NotImplementedError:
        pass

    return ctx 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def get_http2_ssl_context():
    """
    This function creates an SSLContext object that is suitably configured for
    HTTP/2. If you're working with Python TLS directly, you'll want to do the
    exact same setup as this function does.
    """
    # Get the basic context from the standard library.
    ctx = ssl.create_default_context(purpose=ssl.Purpose.SERVER_AUTH)

    # RFC 7540 Section 9.2: Implementations of HTTP/2 MUST use TLS version 1.2
    # or higher. Disable TLS 1.1 and lower.
    ctx.options |= (
        ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3 | ssl.OP_NO_TLSv1 | ssl.OP_NO_TLSv1_1
    )

    # RFC 7540 Section 9.2.1: A deployment of HTTP/2 over TLS 1.2 MUST disable
    # compression.
    ctx.options |= ssl.OP_NO_COMPRESSION

    # RFC 7540 Section 9.2.2: "deployments of HTTP/2 that use TLS 1.2 MUST
    # support TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256". In practice, the
    # blocklist defined in this section allows only the AES GCM and ChaCha20
    # cipher suites with ephemeral key negotiation.
    ctx.set_ciphers("ECDHE+AESGCM:ECDHE+CHACHA20:DHE+AESGCM:DHE+CHACHA20")

    # We want to negotiate using NPN and ALPN. ALPN is mandatory, but NPN may
    # be absent, so allow that. This setup allows for negotiation of HTTP/1.1.
    ctx.set_alpn_protocols(["h2", "http/1.1"])

    try:
        ctx.set_npn_protocols(["h2", "http/1.1"])
    except NotImplementedError:
        pass

    return ctx 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def connect(self):
            sock = socket.create_connection((self.host, self.port), self.timeout)
            if getattr(self, '_tunnel_host', False):
                self.sock = sock
                self._tunnel()

            if not hasattr(ssl, 'SSLContext'):
                # For 2.x
                if self.ca_certs:
                    cert_reqs = ssl.CERT_REQUIRED
                else:
                    cert_reqs = ssl.CERT_NONE
                self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file,
                                            cert_reqs=cert_reqs,
                                            ssl_version=ssl.PROTOCOL_SSLv23,
                                            ca_certs=self.ca_certs)
            else:  # pragma: no cover
                context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
                context.options |= ssl.OP_NO_SSLv2
                if self.cert_file:
                    context.load_cert_chain(self.cert_file, self.key_file)
                kwargs = {}
                if self.ca_certs:
                    context.verify_mode = ssl.CERT_REQUIRED
                    context.load_verify_locations(cafile=self.ca_certs)
                    if getattr(ssl, 'HAS_SNI', False):
                        kwargs['server_hostname'] = self.host
                self.sock = context.wrap_socket(sock, **kwargs)
            if self.ca_certs and self.check_domain:
                try:
                    match_hostname(self.sock.getpeercert(), self.host)
                    logger.debug('Host verified: %s', self.host)
                except CertificateError:  # pragma: no cover
                    self.sock.shutdown(socket.SHUT_RDWR)
                    self.sock.close()
                    raise 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def connect(self):
        sock = socket.create_connection((self.host, self.port), self.timeout)
        if getattr(self, '_tunnel_host', False):
            self.sock = sock
            self._tunnel()

        if not hasattr(ssl, 'SSLContext'):
            # For 2.x
            if self.ca_certs:
                cert_reqs = ssl.CERT_REQUIRED
            else:
                cert_reqs = ssl.CERT_NONE
            self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file,
                                        cert_reqs=cert_reqs,
                                        ssl_version=ssl.PROTOCOL_SSLv23,
                                        ca_certs=self.ca_certs)
        else:
            context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
            context.options |= ssl.OP_NO_SSLv2
            if self.cert_file:
                context.load_cert_chain(self.cert_file, self.key_file)
            kwargs = {}
            if self.ca_certs:
                context.verify_mode = ssl.CERT_REQUIRED
                context.load_verify_locations(cafile=self.ca_certs)
                if getattr(ssl, 'HAS_SNI', False):
                    kwargs['server_hostname'] = self.host
            self.sock = context.wrap_socket(sock, **kwargs)
        if self.ca_certs and self.check_domain:
            try:
                match_hostname(self.sock.getpeercert(), self.host)
                logger.debug('Host verified: %s', self.host)
            except CertificateError:
                self.sock.shutdown(socket.SHUT_RDWR)
                self.sock.close()
                raise 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def send_stats(version, uniqid, runtime):
    #Because this is run as a subprocess we need to start logging again
    logger_send_stats = setup_logging(logfilepath="logs/send_stats.log",loggername="send_stats")

    destination="https://statscollector.rpisurv.net"

    #SSL options
    context = ssl.create_default_context(purpose=ssl.Purpose.SERVER_AUTH, cafile="core/util/statscollector.rpisurv.net.pem")
    #Force TLS higher then 1.1
    context.options |= ssl.OP_NO_SSLv2
    context.options |= ssl.OP_NO_SSLv3
    context.options |= ssl.OP_NO_TLSv1
    context.options |= ssl.OP_NO_TLSv1_1
    #Normally this has been set by ssl.Purpose.SERVER_AUTH but for safety in future explicitly set CERT_REQUIRED
    context.verify_mode = ssl.CERT_REQUIRED
    httpshandler = urllib2.HTTPSHandler(context=context)

    opener = urllib2.build_opener(httpshandler)
    opener.addheaders=[
        ('User-Agent', uniqid),
        ('Pragma', 'no-cache'),
        ('Cache-Control', 'no-cache')
    ]
    #Extra info will be send via cookie headers
    #opener.addheaders.append(('Cookie', 'runtime='+ runtime + ';reservedkey=reservedvalue'))
    opener.addheaders.append(('Cookie', 'runtime='+ runtime + ';version='+ str(version)  ))

    urllib2.install_opener(opener)

    #f = opener.open("http://httpbin.org/cookies")
    logger_send_stats.debug("Start sending uniqid " + uniqid + ", runtime " + runtime + ", version " + str(version) + " to " + destination + " for updating stats rpisurv community")
    try:
        response = opener.open(destination, timeout=20)
    except urllib2.HTTPError, e:
        logger_send_stats.error("There was an error connecting to the statistics server at " + destination + ". Failed with code " + str(e.code)) 

# 需要導入模塊: import ssl [as 別名]
# 或者: from ssl import OP_NO_SSLv2 [as 別名]
def test_create_ssl_context() -> None:
    path = os.path.join(os.path.dirname(__file__), "assets/config_ssl.py")
    config = Config.from_pyfile(path)
    context = config.create_ssl_context()
    assert context.options & (
        ssl.OP_NO_SSLv2
        | ssl.OP_NO_SSLv3
        | ssl.OP_NO_TLSv1
        | ssl.OP_NO_TLSv1_1
        | ssl.OP_NO_COMPRESSION
    )