fail2ban/testcases/clientreadertestcase.py

178 lines
6.5 KiB
Python

# emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: t -*-
# vi: set ft=python sts=4 ts=4 sw=4 noet :
# This file is part of Fail2Ban.
#
# Fail2Ban is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Fail2Ban is distributed 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Fail2Ban; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
__author__ = "Cyril Jaquier, Yaroslav Halchenko"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier, 2011-2013 Yaroslav Halchenko"
__license__ = "GPL"
import os, shutil, tempfile, unittest
from client.configreader import ConfigReader
from client.jailreader import JailReader
from client.jailsreader import JailsReader
from client.configurator import Configurator
class ConfigReaderTest(unittest.TestCase):
def setUp(self):
"""Call before every test case."""
self.d = tempfile.mkdtemp(prefix="f2b-temp")
self.c = ConfigReader(basedir=self.d)
def tearDown(self):
"""Call after every test case."""
shutil.rmtree(self.d)
def _write(self, fname, value):
# verify if we don't need to create .d directory
if os.path.sep in fname:
d = os.path.dirname(fname)
d_ = os.path.join(self.d, d)
if not os.path.exists(d_):
os.makedirs(d_)
open("%s/%s" % (self.d, fname), "w").write("""
[section]
option = %s
""" % value)
def _remove(self, fname):
os.unlink("%s/%s" % (self.d, fname))
self.assertTrue(self.c.read('c')) # we still should have some
def _getoption(self, f='c'):
self.assertTrue(self.c.read(f)) # we got some now
return self.c.getOptions('section', [("int", 'option')])['option']
def testInaccessibleFile(self):
f = os.path.join(self.d, "d.conf") # inaccessible file
self._write('d.conf', 0)
self.assertEqual(self._getoption('d'), 0)
os.chmod(f, 0)
self.assertFalse(self.c.read('d')) # should not be readable BUT present
def testOptionalDotDDir(self):
self.assertFalse(self.c.read('c')) # nothing is there yet
self._write("c.conf", "1")
self.assertEqual(self._getoption(), 1)
self._write("c.conf", "2") # overwrite
self.assertEqual(self._getoption(), 2)
self._write("c.local", "3") # add override in .local
self.assertEqual(self._getoption(), 3)
self._write("c.d/98.conf", "998") # add 1st override in .d/
self.assertEqual(self._getoption(), 998)
self._write("c.d/90.conf", "990") # add previously sorted override in .d/
self.assertEqual(self._getoption(), 998) # should stay the same
self._write("c.d/99.conf", "999") # now override in a way without sorting we possibly get a failure
self.assertEqual(self._getoption(), 999)
self._remove("c.d/99.conf")
self.assertEqual(self._getoption(), 998)
self._remove("c.d/98.conf")
self.assertEqual(self._getoption(), 990)
self._remove("c.d/90.conf")
self.assertEqual(self._getoption(), 3)
self._remove("c.conf") # we allow to stay without .conf
self.assertEqual(self._getoption(), 3)
self._write("c.conf", "1")
self._remove("c.local")
self.assertEqual(self._getoption(), 1)
class JailReaderTest(unittest.TestCase):
def testStockSSHJail(self):
jail = JailReader('ssh-iptables', basedir='config') # we are running tests from root project dir atm
self.assertTrue(jail.read())
self.assertTrue(jail.getOptions())
self.assertFalse(jail.isEnabled())
self.assertEqual(jail.getName(), 'ssh-iptables')
def testSplitAction(self):
action = "mail-whois[name=SSH]"
expected = ['mail-whois', {'name': 'SSH'}]
result = JailReader.splitAction(action)
self.assertEquals(expected, result)
class JailsReaderTest(unittest.TestCase):
def testProvidingBadBasedir(self):
if not os.path.exists('/XXX'):
reader = JailsReader(basedir='/XXX')
self.assertRaises(ValueError, reader.read)
def testReadStockJailConf(self):
jails = JailsReader(basedir='config') # we are running tests from root project dir atm
self.assertTrue(jails.read()) # opens fine
self.assertTrue(jails.getOptions()) # reads fine
comm_commands = jails.convert()
# by default None of the jails is enabled and we get no
# commands to communicate to the server
self.assertEqual(comm_commands, [])
def testReadStockJailConfForceEnabled(self):
# more of a smoke test to make sure that no obvious surprises
# on users' systems when enabling shipped jails
jails = JailsReader(basedir='config', force_enable=True) # we are running tests from root project dir atm
self.assertTrue(jails.read()) # opens fine
self.assertTrue(jails.getOptions()) # reads fine
comm_commands = jails.convert()
# by default we have lots of jails ;)
self.assertTrue(len(comm_commands))
# and we know even some of them by heart
for j in ['ssh-iptables', 'recidive']:
# by default we have 'auto' backend ATM
self.assertTrue(['add', j, 'auto'] in comm_commands)
# and warn on useDNS
self.assertTrue(['set', j, 'usedns', 'warn'] in comm_commands)
self.assertTrue(['start', j] in comm_commands)
# last commands should be the 'start' commands
self.assertEqual(comm_commands[-1][0], 'start')
# TODO: make sure that all of the jails have actions assigned,
# otherwise it makes little to no sense
def testConfigurator(self):
configurator = Configurator()
configurator.setBaseDir('config')
self.assertEqual(configurator.getBaseDir(), 'config')
configurator.readEarly()
opts = configurator.getEarlyOptions()
# our current default settings
self.assertEqual(opts['socket'], '/var/run/fail2ban/fail2ban.sock')
self.assertEqual(opts['pidfile'], '/var/run/fail2ban/fail2ban.pid')
configurator.getOptions()
configurator.convertToProtocol()
commands = configurator.getConfigStream()
# and there is logging information left to be passed into the
# server
self.assertEqual(commands,
[['set', 'loglevel', 3],
['set', 'logtarget', '/var/log/fail2ban.log']])
# and if we force change configurator's fail2ban's baseDir
# there should be an error message (test visually ;) --
# otherwise just a code smoke test)
configurator._Configurator__jails.setBaseDir('/tmp')
self.assertEqual(configurator._Configurator__jails.getBaseDir(), '/tmp')
self.assertEqual(configurator.getBaseDir(), 'config')