fail2ban/testcases/actiontestcase.py

119 lines
4.0 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
#
__author__ = "Cyril Jaquier"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"
import unittest, time
import logging, sys
from server.action import Action
from StringIO import StringIO
class ExecuteAction(unittest.TestCase):
def setUp(self):
"""Call before every test case."""
self.__action = Action("Test")
# For extended testing of what gets output into logging
# system, we will redirect it to a string
logSys = logging.getLogger("fail2ban")
# Keep old settings
self._old_level = logSys.level
self._old_handlers = logSys.handlers
# Let's log everything into a string
self._log = StringIO()
logSys.handlers = [logging.StreamHandler(self._log)]
logSys.setLevel(getattr(logging, 'DEBUG'))
def tearDown(self):
"""Call after every test case."""
# print "O: >>%s<<" % self._log.getvalue()
logSys = logging.getLogger("fail2ban")
logSys.handlers = self._old_handlers
logSys.level = self._old_level
self.__action.execActionStop()
def _is_logged(self, s):
return s in self._log.getvalue()
def testSubstituteRecursiveTags(self):
aInfo = {
'HOST': "192.0.2.0",
'ABC': "123 <HOST>",
'xyz': "890 <ABC>",
}
# Recursion is bad
self.assertFalse(Action.substituteRecursiveTags({'A': '<A>'}))
self.assertFalse(Action.substituteRecursiveTags({'A': '<B>', 'B': '<A>'}))
self.assertFalse(Action.substituteRecursiveTags({'A': '<B>', 'B': '<C>', 'C': '<A>'}))
# missing tags are ok
self.assertEqual(Action.substituteRecursiveTags({'A': '<C>'}), {'A': '<C>'})
self.assertEqual(Action.substituteRecursiveTags({'A': '<C> <D> <X>','X':'fun'}), {'A': '<C> <D> fun', 'X':'fun'})
self.assertEqual(Action.substituteRecursiveTags({'A': '<C> <B>', 'B': 'cool'}), {'A': '<C> cool', 'B': 'cool'})
# rest is just cool
self.assertEqual(Action.substituteRecursiveTags(aInfo),
{ 'HOST': "192.0.2.0",
'ABC': '123 192.0.2.0',
'xyz': '890 123 192.0.2.0',
})
def testReplaceTag(self):
aInfo = {
'HOST': "192.0.2.0",
'ABC': "123",
'xyz': "890",
}
self.assertEqual(
self.__action.replaceTag("Text<br>text", aInfo),
"Text\ntext")
self.assertEqual(
self.__action.replaceTag("Text <HOST> text", aInfo),
"Text 192.0.2.0 text")
self.assertEqual(
self.__action.replaceTag("Text <xyz> text <ABC> ABC", aInfo),
"Text 890 text 123 ABC")
self.assertEqual(
self.__action.replaceTag("<matches>",
{'matches': "some >char< should \< be[ escap}ed&"}),
r"some \>char\< should \\\< be\[ escap\}ed\&")
def testExecuteActionBan(self):
self.__action.setActionStart("touch /tmp/fail2ban.test")
self.__action.setActionStop("rm -f /tmp/fail2ban.test")
self.__action.setActionBan("echo -n")
self.__action.setActionCheck("[ -e /tmp/fail2ban.test ]")
self.assertFalse(self._is_logged('returned'))
# no action was actually executed yet
self.assertTrue(self.__action.execActionBan(None))
self.assertTrue(self._is_logged('Invariant check failed'))
self.assertTrue(self._is_logged('returned successfully'))
def testExecuteIncorrectCmd(self):
Action.executeCmd('/bin/ls >/dev/null\nbogusXXX now 2>/dev/null')
self.assertTrue(self._is_logged('HINT on 7f00: "Command not found"'))