Python Transport.start_server方法代码示例

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
def sftp_server():
    """
    Set up an in-memory SFTP server thread. Yields the client Transport/socket.

    The resulting client Transport (along with all the server components) will
    be the same object throughout the test session; the `sftp` fixture then
    creates new higher level client objects wrapped around the client
    Transport, as necessary.
    """
    # Sockets & transports
    socks = LoopSocket()
    sockc = LoopSocket()
    sockc.link(socks)
    tc = Transport(sockc)
    ts = Transport(socks)
    # Auth
    host_key = RSAKey.from_private_key_file(_support("test_rsa.key"))
    ts.add_server_key(host_key)
    # Server setup
    event = threading.Event()
    server = StubServer()
    ts.set_subsystem_handler("sftp", SFTPServer, StubSFTPServer)
    ts.start_server(event, server)
    # Wait (so client has time to connect? Not sure. Old.)
    event.wait(1.0)
    # Make & yield connection.
    tc.connect(username="slowdive", password="pygmalion")
    yield tc

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
    def run(self):

        self.socket.listen(100)
        while True:
            self.socket.settimeout(15)
            s,addr = self.socket.accept()
            transport = Transport(s)
            transport.add_server_key(self.key)
            event = Event()
            #transport.set_subsystem_handler('', ShellHandler)
            transport.start_server(event, server=self)

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
	def sshAuthentication(self, clientsock):
		# setup logging
		paramiko.util.log_to_file(C.SYSLOG_FILE)

		# Check that SSH server parameters have been set:
		if (self.sshData == None):
			return clientsock, False, None
		else:
			# Load private key of the server
			filekey = self.sshData["hostKeyFile"]
			if (not filekey.startswith("/")):
				filekey = C.YENCAP_CONF_HOME + "/" + filekey

			# Build a key object from the file path:
			if (self.sshData["hostKeyType"] == "dss"):
				priv_host_key = paramiko.DSSKey(filename=filekey)
			elif (self.sshData["hostKeyType"] == "rsa"):
				priv_host_key = paramiko.RSAKey(filename=filekey)

		try:
			event = threading.Event()
			# Create a new SSH session over an existing socket, or socket-like object.
			t = Transport(clientsock)
			# Add a host key to the list of keys used for server mode.
			t.add_server_key(priv_host_key)
			# paramiko.ServerInterface defines an interface for controlling the behavior of paramiko in server mode.
			server = SSHServerModule()
			# Negotiate a new SSH2 session as a server.
			t.start_server(event, server)
			while 1:
				event.wait(0.1)
				if not t.is_active():
					return clientsock, False, None
				if event.isSet():
					break
		
			# Return the next channel opened by the client over this transport, in server mode.
			channel = t.accept(20)
			
			if channel is None:
				return clientsock, False, None
		
		except Exception, e:
			LogManager.getInstance().logError("Caught exception: %s: %s" % (str(e.__class__), str(e)))
			traceback.print_exc()

			try:
				t.close()
			except:
				pass
			return clientsock, False, None

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
class MyTSFTPRequestHandler(SocketServer.BaseRequestHandler):
    timeout = 60
    auth_timeout = 60

    def setup(self):
        self.transport = Transport(self.request)
        self.transport.load_server_moduli()
        so = self.transport.get_security_options()
        so.digests = ('hmac-sha1', )
        so.compression = ('[email protected]', 'none')
        self.transport.add_server_key(self.server.host_key)
        self.transport.set_subsystem_handler(
            'sftp', MyTSFTPServer, MyTSFTPServerInterface)

    def handle(self):
        self.transport.start_server(server=MyTServerInterface())

    def handle_timeout(self):
        self.transport.close()

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
class TransportTest(ParamikoTest):
    def setUp(self):
        self.socks = LoopSocket()
        self.sockc = LoopSocket()
        self.sockc.link(self.socks)
        self.tc = Transport(self.sockc)
        self.ts = Transport(self.socks)

    def tearDown(self):
        self.tc.close()
        self.ts.close()
        self.socks.close()
        self.sockc.close()

    def setup_test_server(self, client_options=None, server_options=None):
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')

        public_host_key = RSAKey(data=bytes(host_key))
        self.ts.add_server_key(host_key)
        
        if client_options is not None:
            client_options(self.tc.get_security_options())
        if server_options is not None:
            server_options(self.ts.get_security_options())
        
        event = threading.Event()
        self.server = NullServer()
        self.assert_(not event.isSet())
        self.ts.start_server(event, self.server)

        self.tc.connect(hostkey=public_host_key,
                        username='slowdive', password='pygmalion')

        event.wait(1.0)
        self.assert_(event.isSet())
        self.assert_(self.ts.is_active())

    def test_1_security_options(self):
        o = self.tc.get_security_options()
        self.assertEquals(type(o), SecurityOptions)
        self.assert_((b'aes256-cbc', b'blowfish-cbc') != o.ciphers)
        o.ciphers = (b'aes256-cbc', b'blowfish-cbc')
        self.assertEquals((b'aes256-cbc', b'blowfish-cbc'), o.ciphers)
        try:
            o.ciphers = (b'aes256-cbc', b'made-up-cipher')
            self.assert_(False)
        except ValueError:
            pass
        try:
            o.ciphers = 23
            self.assert_(False)
        except TypeError:
            pass
            
    def test_2_compute_key(self):
        self.tc.K = 123281095979686581523377256114209720774539068973101330872763622971399429481072519713536292772709507296759612401802191955568143056534122385270077606457721553469730659233569339356140085284052436697480759510519672848743794433460113118986816826624865291116513647975790797391795651716378444844877749505443714557929
        self.tc.H = unhexlify(b'0C8307CDE6856FF30BA93684EB0F04C2520E9ED3')
        self.tc.session_id = self.tc.H
        key = self.tc._compute_key(b'C', 32)
        self.assertEquals(b'207E66594CA87C44ECCBA3B3CD39FDDB378E6FDB0F97C54B2AA0CFBF900CD995',
                          hexlify(key).upper())

    def test_3_simple(self):
        """
        verify that we can establish an ssh link with ourselves across the
        loopback sockets.  this is hardly "simple" but it's simpler than the
        later tests. :)
        """
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')
        public_host_key = RSAKey(data=bytes(host_key))
        self.ts.add_server_key(host_key)
        event = threading.Event()
        server = NullServer()
        self.assert_(not event.isSet())
        self.assertEquals(None, self.tc.get_username())
        self.assertEquals(None, self.ts.get_username())
        self.assertEquals(False, self.tc.is_authenticated())
        self.assertEquals(False, self.ts.is_authenticated())
        self.ts.start_server(event, server)
        self.tc.connect(hostkey=public_host_key,
                        username='slowdive', password='pygmalion')
        event.wait(1.0)
        self.assert_(event.isSet())
        self.assert_(self.ts.is_active())
        self.assertEquals('slowdive', self.tc.get_username())
        self.assertEquals('slowdive', self.ts.get_username())
        self.assertEquals(True, self.tc.is_authenticated())
        self.assertEquals(True, self.ts.is_authenticated())

    def test_3a_long_banner(self):
        """
        verify that a long banner doesn't mess up the handshake.
        """
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')
        public_host_key = RSAKey(data=bytes(host_key))
        self.ts.add_server_key(host_key)
        event = threading.Event()
        server = NullServer()
        self.assert_(not event.isSet())
        self.socks.send(LONG_BANNER)
#.........这里部分代码省略.........

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
class TransportTest(unittest.TestCase):
    def setUp(self):
        self.socks = LoopSocket()
        self.sockc = LoopSocket()
        self.sockc.link(self.socks)
        self.tc = Transport(self.sockc)
        self.ts = Transport(self.socks)

    def tearDown(self):
        self.tc.close()
        self.ts.close()
        self.socks.close()
        self.sockc.close()

    def setup_test_server(
        self, client_options=None, server_options=None, connect_kwargs=None,
    ):
        host_key = RSAKey.from_private_key_file(_support('test_rsa.key'))
        public_host_key = RSAKey(data=host_key.asbytes())
        self.ts.add_server_key(host_key)

        if client_options is not None:
            client_options(self.tc.get_security_options())
        if server_options is not None:
            server_options(self.ts.get_security_options())

        event = threading.Event()
        self.server = NullServer()
        self.assertTrue(not event.is_set())
        self.ts.start_server(event, self.server)
        if connect_kwargs is None:
            connect_kwargs = dict(
                hostkey=public_host_key,
                username='slowdive',
                password='pygmalion',
            )
        self.tc.connect(**connect_kwargs)
        event.wait(1.0)
        self.assertTrue(event.is_set())
        self.assertTrue(self.ts.is_active())

    def test_1_security_options(self):
        o = self.tc.get_security_options()
        self.assertEqual(type(o), SecurityOptions)
        self.assertTrue(('aes256-cbc', 'blowfish-cbc') != o.ciphers)
        o.ciphers = ('aes256-cbc', 'blowfish-cbc')
        self.assertEqual(('aes256-cbc', 'blowfish-cbc'), o.ciphers)
        try:
            o.ciphers = ('aes256-cbc', 'made-up-cipher')
            self.assertTrue(False)
        except ValueError:
            pass
        try:
            o.ciphers = 23
            self.assertTrue(False)
        except TypeError:
            pass

    def test_1b_security_options_reset(self):
        o = self.tc.get_security_options()
        # should not throw any exceptions
        o.ciphers = o.ciphers
        o.digests = o.digests
        o.key_types = o.key_types
        o.kex = o.kex
        o.compression = o.compression

    def test_2_compute_key(self):
        self.tc.K = 123281095979686581523377256114209720774539068973101330872763622971399429481072519713536292772709507296759612401802191955568143056534122385270077606457721553469730659233569339356140085284052436697480759510519672848743794433460113118986816826624865291116513647975790797391795651716378444844877749505443714557929
        self.tc.H = b'\x0C\x83\x07\xCD\xE6\x85\x6F\xF3\x0B\xA9\x36\x84\xEB\x0F\x04\xC2\x52\x0E\x9E\xD3'
        self.tc.session_id = self.tc.H
        key = self.tc._compute_key('C', 32)
        self.assertEqual(b'207E66594CA87C44ECCBA3B3CD39FDDB378E6FDB0F97C54B2AA0CFBF900CD995',
                          hexlify(key).upper())

    def test_3_simple(self):
        """
        verify that we can establish an ssh link with ourselves across the
        loopback sockets.  this is hardly "simple" but it's simpler than the
        later tests. :)
        """
        host_key = RSAKey.from_private_key_file(_support('test_rsa.key'))
        public_host_key = RSAKey(data=host_key.asbytes())
        self.ts.add_server_key(host_key)
        event = threading.Event()
        server = NullServer()
        self.assertTrue(not event.is_set())
        self.assertEqual(None, self.tc.get_username())
        self.assertEqual(None, self.ts.get_username())
        self.assertEqual(False, self.tc.is_authenticated())
        self.assertEqual(False, self.ts.is_authenticated())
        self.ts.start_server(event, server)
        self.tc.connect(hostkey=public_host_key,
                        username='slowdive', password='pygmalion')
        event.wait(1.0)
        self.assertTrue(event.is_set())
        self.assertTrue(self.ts.is_active())
        self.assertEqual('slowdive', self.tc.get_username())
        self.assertEqual('slowdive', self.ts.get_username())
        self.assertEqual(True, self.tc.is_authenticated())
#.........这里部分代码省略.........

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
class AuthTest (unittest.TestCase):

    def setUp(self):
        self.socks = LoopSocket()
        self.sockc = LoopSocket()
        self.sockc.link(self.socks)
        self.tc = Transport(self.sockc)
        self.ts = Transport(self.socks)

    def tearDown(self):
        self.tc.close()
        self.ts.close()
        self.socks.close()
        self.sockc.close()

    def start_server(self):
        host_key = RSAKey.from_private_key_file(test_path('test_rsa.key'))
        self.public_host_key = RSAKey(data=host_key.asbytes())
        self.ts.add_server_key(host_key)
        self.event = threading.Event()
        self.server = NullServer()
        self.assertTrue(not self.event.is_set())
        self.ts.start_server(self.event, self.server)

    def verify_finished(self):
        self.event.wait(1.0)
        self.assertTrue(self.event.is_set())
        self.assertTrue(self.ts.is_active())

    def test_1_bad_auth_type(self):
        """
        verify that we get the right exception when an unsupported auth
        type is requested.
        """
        self.start_server()
        try:
            self.tc.connect(hostkey=self.public_host_key,
                            username='unknown', password='error')
            self.assertTrue(False)
        except:
            etype, evalue, etb = sys.exc_info()
            self.assertEqual(BadAuthenticationType, etype)
            self.assertEqual(['publickey'], evalue.allowed_types)

    def test_2_bad_password(self):
        """
        verify that a bad password gets the right exception, and that a retry
        with the right password works.
        """
        self.start_server()
        self.tc.connect(hostkey=self.public_host_key)
        try:
            self.tc.auth_password(username='slowdive', password='error')
            self.assertTrue(False)
        except:
            etype, evalue, etb = sys.exc_info()
            self.assertTrue(issubclass(etype, AuthenticationException))
        self.tc.auth_password(username='slowdive', password='pygmalion')
        self.verify_finished()

    def test_3_multipart_auth(self):
        """
        verify that multipart auth works.
        """
        self.start_server()
        self.tc.connect(hostkey=self.public_host_key)
        remain = self.tc.auth_password(username='paranoid', password='paranoid')
        self.assertEqual(['publickey'], remain)
        key = DSSKey.from_private_key_file(test_path('test_dss.key'))
        remain = self.tc.auth_publickey(username='paranoid', key=key)
        self.assertEqual([], remain)
        self.verify_finished()

    def test_4_interactive_auth(self):
        """
        verify keyboard-interactive auth works.
        """
        self.start_server()
        self.tc.connect(hostkey=self.public_host_key)

        def handler(title, instructions, prompts):
            self.got_title = title
            self.got_instructions = instructions
            self.got_prompts = prompts
            return ['cat']
        remain = self.tc.auth_interactive('commie', handler)
        self.assertEqual(self.got_title, 'password')
        self.assertEqual(self.got_prompts, [('Password', False)])
        self.assertEqual([], remain)
        self.verify_finished()

    def test_5_interactive_auth_fallback(self):
        """
        verify that a password auth attempt will fallback to "interactive"
        if password auth isn't supported but interactive is.
        """
        self.start_server()
        self.tc.connect(hostkey=self.public_host_key)
        remain = self.tc.auth_password('commie', 'cat')
        self.assertEqual([], remain)
#.........这里部分代码省略.........

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
class TransportTest(ParamikoTest):
    def setUp(self):
        self.socks = LoopSocket()
        self.sockc = LoopSocket()
        self.sockc.link(self.socks)
        self.tc = Transport(self.sockc)
        self.ts = Transport(self.socks)

    def tearDown(self):
        self.tc.close()
        self.ts.close()
        self.socks.close()
        self.sockc.close()

    def setup_test_server(self, client_options=None, server_options=None):
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')
        public_host_key = RSAKey(data=str(host_key))
        self.ts.add_server_key(host_key)

        if client_options is not None:
            client_options(self.tc.get_security_options())
        if server_options is not None:
            server_options(self.ts.get_security_options())

        event = threading.Event()
        self.server = NullServer()
        self.assert_(not event.isSet())
        self.ts.start_server(event, self.server)
        self.tc.connect(hostkey=public_host_key,
                        username='slowdive', password='pygmalion')
        event.wait(1.0)
        self.assert_(event.isSet())
        self.assert_(self.ts.is_active())

    def test_1_security_options(self):
        o = self.tc.get_security_options()
        self.assertEquals(type(o), SecurityOptions)
        self.assert_(('aes256-cbc', 'blowfish-cbc') != o.ciphers)
        o.ciphers = ('aes256-cbc', 'blowfish-cbc')
        self.assertEquals(('aes256-cbc', 'blowfish-cbc'), o.ciphers)
        try:
            o.ciphers = ('aes256-cbc', 'made-up-cipher')
            self.assert_(False)
        except ValueError:
            pass
        try:
            o.ciphers = 23
            self.assert_(False)
        except TypeError:
            pass

    def test_2_compute_key(self):
        self.tc.K = long(123281095979686581523377256114209720774539068973101330872763622971399429481072519713536292772709507296759612401802191955568143056534122385270077606457721553469730659233569339356140085284052436697480759510519672848743794433460113118986816826624865291116513647975790797391795651716378444844877749505443714557929)
        self.tc.H = unhexlify('0C8307CDE6856FF30BA93684EB0F04C2520E9ED3')
        self.tc.session_id = self.tc.H
        key = self.tc._compute_key('C', 32)
        self.assertEquals('207E66594CA87C44ECCBA3B3CD39FDDB378E6FDB0F97C54B2AA0CFBF900CD995',
                          hexlify(key).upper())

    def test_3_simple(self):
        """
        verify that we can establish an ssh link with ourselves across the
        loopback sockets.  this is hardly "simple" but it's simpler than the
        later tests. :)
        """
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')
        public_host_key = RSAKey(data=str(host_key))
        self.ts.add_server_key(host_key)
        event = threading.Event()
        server = NullServer()
        self.assert_(not event.isSet())
        self.assertEquals(None, self.tc.get_username())
        self.assertEquals(None, self.ts.get_username())
        self.assertEquals(False, self.tc.is_authenticated())
        self.assertEquals(False, self.ts.is_authenticated())
        self.ts.start_server(event, server)
        self.tc.connect(hostkey=public_host_key,
                        username='slowdive', password='pygmalion')
        event.wait(1.0)
        self.assert_(event.isSet())
        self.assert_(self.ts.is_active())
        self.assertEquals('slowdive', self.tc.get_username())
        self.assertEquals('slowdive', self.ts.get_username())
        self.assertEquals(True, self.tc.is_authenticated())
        self.assertEquals(True, self.ts.is_authenticated())

    def test_3a_long_banner(self):
        """
        verify that a long banner doesn't mess up the handshake.
        """
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')
        public_host_key = RSAKey(data=str(host_key))
        self.ts.add_server_key(host_key)
        event = threading.Event()
        server = NullServer()
        self.assert_(not event.isSet())
        self.socks.send(LONG_BANNER)
        self.ts.start_server(event, server)
        self.tc.connect(hostkey=public_host_key,
                        username='slowdive', password='pygmalion')
#.........这里部分代码省略.........

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
class SSHHandler(ServerInterface, BaseRequestHandler):
    telnet_handler = None
    pty_handler = None
    host_key = None
    username = None

    def __init__(self, request, client_address, server):
        self.request = request
        self.client_address = client_address
        self.tcp_server = server

        # Keep track of channel information from the transport
        self.channels = {}

        try:
            self.client = request._sock
        except AttributeError as e:
            self.client = request
        # Transport turns the socket into an SSH transport
        self.transport = Transport(self.client)

        # Create the PTY handler class by mixing in
        TelnetHandlerClass = self.telnet_handler

        class MixedPtyHandler(TelnetToPtyHandler, TelnetHandlerClass):
            # BaseRequestHandler does not inherit from object, must call the __init__ directly
            def __init__(self, *args):
                super(MixedPtyHandler, self).__init__(*args)
                TelnetHandlerClass.__init__(self, *args)

        self.pty_handler = MixedPtyHandler

        # Call the base class to run the handler
        BaseRequestHandler.__init__(self, request, client_address, server)

    def setup(self):
        """Setup the connection."""
        log.debug('New request from address %s, port %d', self.client_address)

        try:
            self.transport.load_server_moduli()
        except:
            log.exception('(Failed to load moduli -- gex will be unsupported.)')
            raise
        try:
            self.transport.add_server_key(self.host_key)
        except:
            if self.host_key is None:
                log.critical('Host key not set!  SSHHandler MUST define the host_key parameter.')
                raise NotImplementedError('Host key not set!  SSHHandler instance must define '
                                          'the host_key parameter.  Try host_key = paramiko_ssh'
                                          '.getRsaKeyFile("server_rsa.key").')

        try:
            # Tell transport to use this object as a server
            log.debug('Starting SSH server-side negotiation')
            self.transport.start_server(server=self)
        except SSHException as e:
            log.warn('SSH negotiation failed. %s', e)
            raise

        # Accept any requested channels
        while True:
            channel = self.transport.accept(20)
            if channel is None:
                # check to see if any thread is running
                any_running = False
                for c, thread in self.channels.items():
                    if thread.is_alive():
                        any_running = True
                        break
                if not any_running:
                    break
            else:
                log.info('Accepted channel %s', channel)

    class dummy_request(object):
        def __init__(self):
            self._sock = None

    @classmethod
    def streamserver_handle(cls, socket, address):
        """Translate this class for use in a StreamServer"""
        request = cls.dummy_request()
        request._sock = socket
        server = None
        cls(request, address, server)

    def finish(self):
        """Called when the socket closes from the client."""
        self.transport.close()

    def check_channel_request(self, kind, chanid):
        if kind == 'session':
            return OPEN_SUCCEEDED
        return OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED

    def set_username(self, username):
        self.username = username
        log.info('User logged in: %s' % username)
#.........这里部分代码省略.........

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
class TransportTest (unittest.TestCase):

    def setUp(self):
        self.socks = LoopSocket()
        self.sockc = LoopSocket()
        self.sockc.link(self.socks)
        self.tc = Transport(self.sockc)
        self.ts = Transport(self.socks)

    def tearDown(self):
        self.tc.close()
        self.ts.close()
        self.socks.close()
        self.sockc.close()

    def setup_test_server(self):
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')
        public_host_key = RSAKey(data=str(host_key))
        self.ts.add_server_key(host_key)
        event = threading.Event()
        self.server = NullServer()
        self.assert_(not event.isSet())
        self.ts.start_server(event, self.server)
        self.tc.connect(hostkey=public_host_key)
        self.tc.auth_password(username='slowdive', password='pygmalion')
        event.wait(1.0)
        self.assert_(event.isSet())
        self.assert_(self.ts.is_active())

    def test_1_security_options(self):
        o = self.tc.get_security_options()
        self.assertEquals(type(o), SecurityOptions)
        self.assert_(('aes256-cbc', 'blowfish-cbc') != o.ciphers)
        o.ciphers = ('aes256-cbc', 'blowfish-cbc')
        self.assertEquals(('aes256-cbc', 'blowfish-cbc'), o.ciphers)
        try:
            o.ciphers = ('aes256-cbc', 'made-up-cipher')
            self.assert_(False)
        except ValueError:
            pass
        try:
            o.ciphers = 23
            self.assert_(False)
        except TypeError:
            pass
            
    def test_2_compute_key(self):
        self.tc.K = 123281095979686581523377256114209720774539068973101330872763622971399429481072519713536292772709507296759612401802191955568143056534122385270077606457721553469730659233569339356140085284052436697480759510519672848743794433460113118986816826624865291116513647975790797391795651716378444844877749505443714557929L
        self.tc.H = unhexlify('0C8307CDE6856FF30BA93684EB0F04C2520E9ED3')
        self.tc.session_id = self.tc.H
        key = self.tc._compute_key('C', 32)
        self.assertEquals('207E66594CA87C44ECCBA3B3CD39FDDB378E6FDB0F97C54B2AA0CFBF900CD995',
                          hexlify(key).upper())

    def test_3_simple(self):
        """
        verify that we can establish an ssh link with ourselves across the
        loopback sockets.  this is hardly "simple" but it's simpler than the
        later tests. :)
        """
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')
        public_host_key = RSAKey(data=str(host_key))
        self.ts.add_server_key(host_key)
        event = threading.Event()
        server = NullServer()
        self.assert_(not event.isSet())
        self.assertEquals(None, self.tc.get_username())
        self.assertEquals(None, self.ts.get_username())
        self.assertEquals(False, self.tc.is_authenticated())
        self.assertEquals(False, self.ts.is_authenticated())
        self.ts.start_server(event, server)
        self.tc.connect(hostkey=public_host_key,
                        username='slowdive', password='pygmalion')
        event.wait(1.0)
        self.assert_(event.isSet())
        self.assert_(self.ts.is_active())
        self.assertEquals('slowdive', self.tc.get_username())
        self.assertEquals('slowdive', self.ts.get_username())
        self.assertEquals(True, self.tc.is_authenticated())
        self.assertEquals(True, self.ts.is_authenticated())

    def test_4_special(self):
        """
        verify that the client can demand odd handshake settings, and can
        renegotiate keys in mid-stream.
        """
        host_key = RSAKey.from_private_key_file('tests/test_rsa.key')
        public_host_key = RSAKey(data=str(host_key))
        self.ts.add_server_key(host_key)
        event = threading.Event()
        server = NullServer()
        self.assert_(not event.isSet())
        self.ts.start_server(event, server)
        options = self.tc.get_security_options()
        options.ciphers = ('aes256-cbc',)
        options.digests = ('hmac-md5-96',)
        self.tc.connect(hostkey=public_host_key,
                        username='slowdive', password='pygmalion')
        event.wait(1.0)
        self.assert_(event.isSet())
#.........这里部分代码省略.........

# 需要导入模块: from paramiko import Transport [as 别名]
# 或者: from paramiko.Transport import start_server [as 别名]
class SSHHandler(ServerInterface, BaseRequestHandler):
    telnet_handler = None
    pty_handler = None
    host_key = None
    username = None
    
    def __init__(self, request, client_address, server):
        self.request = request
        self.client_address = client_address
        self.tcp_server = server
        
        # Keep track of channel information from the transport
        self.channels = {}
        
        self.client = request._sock
        # Transport turns the socket into an SSH transport
        self.transport = Transport(self.client)
        
        # Create the PTY handler class by mixing in
        TelnetHandlerClass = self.telnet_handler
        class MixedPtyHandler(TelnetToPtyHandler, TelnetHandlerClass):
            # BaseRequestHandler does not inherit from object, must call the __init__ directly
            def __init__(self, *args):
                TelnetHandlerClass.__init__(self, *args)
        self.pty_handler = MixedPtyHandler
        
        
        # Call the base class to run the handler
        BaseRequestHandler.__init__(self, request, client_address, server)
    
    def setup(self):
        '''Setup the connection.'''
        log.debug( 'New request from address %s, port %d',  self.client_address )
        
        try:
            self.transport.load_server_moduli()
        except:
            log.exception( '(Failed to load moduli -- gex will be unsupported.)' )
            raise
        try:
            self.transport.add_server_key(self.host_key)
        except:
            if self.host_key is None:
                log.critical('Host key not set!  SSHHandler MUST define the host_key parameter.')
                raise NotImplementedError('Host key not set!  SSHHandler instance must define the host_key parameter.  Try host_key = paramiko_ssh.getRsaKeyFile("server_rsa.key").')
        
        try:
            # Tell transport to use this object as a server
            log.debug( 'Starting SSH server-side negotiation' )
            self.transport.start_server(server=self)
        except SSHException, e:
           log.warn('SSH negotiation failed. %s', e)
           raise
        
        # Accept any requested channels
        while True:
            channel = self.transport.accept(20)
            if channel is None:
                # check to see if any thread is running
                any_running = False
                for c, thread in self.channels.items():
                    if thread.is_alive():
                        any_running = True
                        break
                if not any_running:
                    break
            else:
                log.info( 'Accepted channel %s', channel )