| diff --git a/paramiko/transport.py b/paramiko/transport.py |
| index f72eebaf..ec7a1445 100644 |
| --- a/paramiko/transport.py |
| +++ b/paramiko/transport.py |
| @@ -110,6 +110,8 @@ from paramiko.ssh_exception import ( |
| from paramiko.util import retry_on_signal, ClosingContextManager, clamp_value |
| |
| |
| +SERVER_DISABLED_BY_GENTOO = True |
| + |
| # for thread cleanup |
| _active_threads = [] |
| |
| @@ -633,6 +635,8 @@ class Transport(threading.Thread, ClosingContextManager): |
| `.SSHException` -- if negotiation fails (and no ``event`` was |
| passed in) |
| """ |
| + if SERVER_DISABLED_BY_GENTOO: |
| + raise Exception("Disabled by Gentoo for security reasons. Enable with 'server' USE flag") |
| if server is None: |
| server = ServerInterface() |
| self.server_mode = True |
| diff --git a/tests/conftest.py b/tests/conftest.py |
| index 2b509c5c..bb23ac74 100644 |
| --- a/tests/conftest.py |
| +++ b/tests/conftest.py |
| @@ -4,7 +4,7 @@ import shutil |
| import threading |
| |
| import pytest |
| -from paramiko import RSAKey, SFTPServer, SFTP, Transport |
| +from paramiko import RSAKey, SFTPServer, SFTP, Transport, transport |
| |
| from .loop import LoopSocket |
| from .stub_sftp import StubServer, StubSFTPServer |
| @@ -15,6 +15,10 @@ from .util import _support |
| # 'nicer'. |
| |
| |
| +# We need the server component for testing |
| +transport.SERVER_DISABLED_BY_GENTOO = False |
| + |
| + |
| # Perform logging by default; pytest will capture and thus hide it normally, |
| # presenting it on error/failure. (But also allow turning it off when doing |
| # very pinpoint debugging - e.g. using breakpoints, so you don't want output |