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# Copyright (C) 2003-2005 Robey Pointer <robey@lag.net>
#
# This file is part of paramiko.
#
# Paramiko is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 2.1 of the License, or (at your option)
# any later version.
#
# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
"""
Some unit tests for SSHClient.
"""
import socket
import threading
import unittest
import paramiko
class NullServer (paramiko.ServerInterface):
def get_allowed_auths(self, username):
if username == 'slowdive':
return 'publickey,password'
return 'publickey'
def check_auth_password(self, username, password):
if (username == 'slowdive') and (password == 'pygmalion'):
return paramiko.AUTH_SUCCESSFUL
return paramiko.AUTH_FAILED
def check_channel_request(self, kind, chanid):
return paramiko.OPEN_SUCCEEDED
def check_channel_exec_request(self, channel, command):
if command != 'yes':
return False
return True
class SSHClientTest (unittest.TestCase):
def setUp(self):
self.sockl = socket.socket()
self.sockl.bind(('localhost', 0))
self.sockl.listen(1)
self.addr, self.port = self.sockl.getsockname()
self.event = threading.Event()
thread = threading.Thread(target=self._run)
thread.start()
def tearDown(self):
self.tc.close()
self.ts.close()
self.socks.close()
self.sockl.close()
def _run(self):
self.socks, addr = self.sockl.accept()
self.ts = paramiko.Transport(self.socks)
host_key = paramiko.RSAKey.from_private_key_file('tests/test_rsa.key')
self.ts.add_server_key(host_key)
server = NullServer()
self.ts.start_server(self.event, server)
def test_1_client(self):
"""
verify that the SSHClient stuff works too.
"""
host_key = paramiko.RSAKey.from_private_key_file('tests/test_rsa.key')
public_host_key = paramiko.RSAKey(data=str(host_key))
self.tc = paramiko.SSHClient()
self.tc.get_host_keys().add(self.addr, 'ssh-rsa', public_host_key)
self.tc.connect(self.addr, self.port, username='slowdive', password='pygmalion')
self.event.wait(1.0)
self.assert_(self.event.isSet())
self.assert_(self.ts.is_active())
self.assertEquals('slowdive', self.ts.get_username())
self.assertEquals(True, self.ts.is_authenticated())
stdin, stdout, stderr = self.tc.exec_command('yes')
schan = self.ts.accept(1.0)
schan.send('Hello there.\n')
schan.send_stderr('This is on stderr.\n')
schan.close()
self.assertEquals('Hello there.\n', stdout.readline())
self.assertEquals('', stdout.readline())
self.assertEquals('This is on stderr.\n', stderr.readline())
self.assertEquals('', stderr.readline())
stdin.close()
stdout.close()
stderr.close()
def test_2_auto_add_policy(self):
"""
verify that SSHClient's AutoAddPolicy works.
"""
host_key = paramiko.RSAKey.from_private_key_file('tests/test_rsa.key')
public_host_key = paramiko.RSAKey(data=str(host_key))
self.tc = paramiko.SSHClient()
self.tc.set_missing_host_key_policy(paramiko.AutoAddPolicy())
self.assertEquals(0, len(self.tc.get_host_keys()))
self.tc.connect(self.addr, self.port, username='slowdive', password='pygmalion')
self.event.wait(1.0)
self.assert_(self.event.isSet())
self.assert_(self.ts.is_active())
self.assertEquals('slowdive', self.ts.get_username())
self.assertEquals(True, self.ts.is_authenticated())
self.assertEquals(1, len(self.tc.get_host_keys()))
self.assertEquals(public_host_key, self.tc.get_host_keys()[self.addr]['ssh-rsa'])
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