paramiko/tests/test_util.py

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# Copyright (C) 2003-2007 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 utility functions.
"""
from binascii import hexlify
import cStringIO
import os
import unittest
from Crypto.Hash import SHA
import paramiko.util
test_config_file = """\
Host *
User robey
IdentityFile =~/.ssh/id_rsa
# comment
Host *.example.com
\tUser bjork
Port=3333
Host *
\t \t Crazy something dumb
Host spoo.example.com
Crazy something else
"""
test_hosts_file = """\
secure.example.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA1PD6U2/TVxET6lkpKhOk5r\
9q/kAYG6sP9f5zuUYP8i7FOFp/6ncCEbbtg/lB+A3iidyxoSWl+9jtoyyDOOVX4UIDV9G11Ml8om3\
D+jrpI9cycZHqilK0HmxDeCuxbwyMuaCygU9gS2qoRvNLWZk70OpIKSSpBo0Wl3/XUmz9uhc=
happy.example.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA8bP1ZA7DCZDB9J0s50l31M\
BGQ3GQ/Fc7SX6gkpXkwcZryoi4kNFhHu5LvHcZPdxXV1D+uTMfGS1eyd2Yz/DoNWXNAl8TI0cAsW\
5ymME3bQ4J/k1IKxCtz/bAlAqFgKoc+EolMziDYqWIATtW0rYTJvzGAzTmMj80/QpsFH+Pc2M=
"""
# for test 1:
from paramiko import *
class UtilTest (unittest.TestCase):
assertTrue = unittest.TestCase.failUnless # for Python 2.3 and below
assertFalse = unittest.TestCase.failIf # for Python 2.3 and below
def setUp(self):
pass
def tearDown(self):
pass
def test_1_import(self):
"""
verify that all the classes can be imported from paramiko.
"""
symbols = globals().keys()
self.assertTrue('Transport' in symbols)
self.assertTrue('SSHClient' in symbols)
self.assertTrue('MissingHostKeyPolicy' in symbols)
self.assertTrue('AutoAddPolicy' in symbols)
self.assertTrue('RejectPolicy' in symbols)
self.assertTrue('WarningPolicy' in symbols)
self.assertTrue('SecurityOptions' in symbols)
self.assertTrue('SubsystemHandler' in symbols)
self.assertTrue('Channel' in symbols)
self.assertTrue('RSAKey' in symbols)
self.assertTrue('DSSKey' in symbols)
self.assertTrue('Message' in symbols)
self.assertTrue('SSHException' in symbols)
self.assertTrue('AuthenticationException' in symbols)
self.assertTrue('PasswordRequiredException' in symbols)
self.assertTrue('BadAuthenticationType' in symbols)
self.assertTrue('ChannelException' in symbols)
self.assertTrue('SFTP' in symbols)
self.assertTrue('SFTPFile' in symbols)
self.assertTrue('SFTPHandle' in symbols)
self.assertTrue('SFTPClient' in symbols)
self.assertTrue('SFTPServer' in symbols)
self.assertTrue('SFTPError' in symbols)
self.assertTrue('SFTPAttributes' in symbols)
self.assertTrue('SFTPServerInterface' in symbols)
self.assertTrue('ServerInterface' in symbols)
self.assertTrue('BufferedFile' in symbols)
self.assertTrue('Agent' in symbols)
self.assertTrue('AgentKey' in symbols)
self.assertTrue('HostKeys' in symbols)
self.assertTrue('SSHConfig' in symbols)
self.assertTrue('util' in symbols)
def test_2_parse_config(self):
global test_config_file
f = cStringIO.StringIO(test_config_file)
config = paramiko.util.parse_ssh_config(f)
self.assertEquals(config._config,
[ {'identityfile': '~/.ssh/id_rsa', 'host': '*', 'user': 'robey',
'crazy': 'something dumb '},
{'host': '*.example.com', 'user': 'bjork', 'port': '3333'},
{'host': 'spoo.example.com', 'crazy': 'something else'}])
def test_3_host_config(self):
global test_config_file
f = cStringIO.StringIO(test_config_file)
config = paramiko.util.parse_ssh_config(f)
c = paramiko.util.lookup_ssh_host_config('irc.danger.com', config)
self.assertEquals(c, {'identityfile': '~/.ssh/id_rsa', 'user': 'robey', 'crazy': 'something dumb '})
c = paramiko.util.lookup_ssh_host_config('irc.example.com', config)
self.assertEquals(c, {'identityfile': '~/.ssh/id_rsa', 'user': 'bjork', 'crazy': 'something dumb ', 'port': '3333'})
c = paramiko.util.lookup_ssh_host_config('spoo.example.com', config)
self.assertEquals(c, {'identityfile': '~/.ssh/id_rsa', 'user': 'bjork', 'crazy': 'something else', 'port': '3333'})
def test_4_generate_key_bytes(self):
x = paramiko.util.generate_key_bytes(SHA, 'ABCDEFGH', 'This is my secret passphrase.', 64)
hex = ''.join(['%02x' % ord(c) for c in x])
self.assertEquals(hex, '9110e2f6793b69363e58173e9436b13a5a4b339005741d5c680e505f57d871347b4239f14fb5c46e857d5e100424873ba849ac699cea98d729e57b3e84378e8b')
def test_5_host_keys(self):
f = open('hostfile.temp', 'w')
f.write(test_hosts_file)
f.close()
try:
hostdict = paramiko.util.load_host_keys('hostfile.temp')
self.assertEquals(2, len(hostdict))
self.assertEquals(1, len(hostdict.values()[0]))
self.assertEquals(1, len(hostdict.values()[1]))
fp = hexlify(hostdict['secure.example.com']['ssh-rsa'].get_fingerprint()).upper()
self.assertEquals('E6684DB30E109B67B70FF1DC5C7F1363', fp)
finally:
os.unlink('hostfile.temp')
def test_6_random(self):
from paramiko.common import randpool
# just verify that we can pull out 32 bytes and not get an exception.
x = randpool.get_bytes(32)
self.assertEquals(len(x), 32)