diff options
Diffstat (limited to 'tests/test_transport.py')
| -rw-r--r-- | tests/test_transport.py | 55 |
1 files changed, 50 insertions, 5 deletions
diff --git a/tests/test_transport.py b/tests/test_transport.py index 00639d04..fb82e720 100644 --- a/tests/test_transport.py +++ b/tests/test_transport.py @@ -33,7 +33,7 @@ import unittest from paramiko import ( Transport, SecurityOptions, ServerInterface, RSAKey, DSSKey, SSHException, - ChannelException, Packetizer, + ChannelException, Packetizer, Channel ) from paramiko import AUTH_FAILED, AUTH_SUCCESSFUL from paramiko import OPEN_SUCCEEDED, OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED @@ -91,7 +91,11 @@ class NullServer (ServerInterface): def check_global_request(self, kind, msg): self._global_request = kind - return False + # NOTE: for w/e reason, older impl of this returned False always, even + # tho that's only supposed to occur if the request cannot be served. + # For now, leaving that the default unless test supplies specific + # 'acceptable' request kind + return kind == 'acceptable' def check_channel_x11_request(self, channel, single_connection, auth_protocol, auth_cookie, screen_number): self._x11_single_connection = single_connection @@ -129,7 +133,9 @@ class TransportTest(unittest.TestCase): self.socks.close() self.sockc.close() - def setup_test_server(self, client_options=None, server_options=None): + 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) @@ -143,8 +149,13 @@ class TransportTest(unittest.TestCase): self.server = NullServer() self.assertTrue(not event.is_set()) self.ts.start_server(event, self.server) - self.tc.connect(hostkey=public_host_key, - username='slowdive', password='pygmalion') + 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()) @@ -929,3 +940,37 @@ class TransportTest(unittest.TestCase): # sendall() accepts a memoryview instance chan.sendall(memoryview(data)) self.assertEqual(sfile.read(len(data)), data) + + def test_server_rejects_open_channel_without_auth(self): + try: + self.setup_test_server(connect_kwargs={}) + self.tc.open_session() + except ChannelException as e: + assert e.code == OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED + else: + assert False, "Did not raise ChannelException!" + + def test_server_rejects_arbitrary_global_request_without_auth(self): + self.setup_test_server(connect_kwargs={}) + # NOTE: this dummy global request kind would normally pass muster + # from the test server. + self.tc.global_request('acceptable') + # Global requests never raise exceptions, even on failure (not sure why + # this was the original design...ugh.) Best we can do to tell failure + # happened is that the client transport's global_response was set back + # to None; if it had succeeded, it would be the response Message. + err = "Unauthed global response incorrectly succeeded!" + assert self.tc.global_response is None, err + + def test_server_rejects_port_forward_without_auth(self): + # NOTE: at protocol level port forward requests are treated same as a + # regular global request, but Paramiko server implements a special-case + # method for it, so it gets its own test. (plus, THAT actually raises + # an exception on the client side, unlike the general case...) + self.setup_test_server(connect_kwargs={}) + try: + self.tc.request_port_forward('localhost', 1234) + except SSHException as e: + assert "forwarding request denied" in str(e) + else: + assert False, "Did not raise SSHException!" |