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failmanagertestcase.py
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# 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 from ..server import failmanager from ..server.failmanager import FailManager, FailManagerEmpty from ..server.ipdns import IPAddr from ..server.ticket import FailTicket class AddFailure(unittest.TestCase): def setUp(self): """Call before every test case.""" super(AddFailure, self).setUp() self.__items = None self.__failManager = FailManager() def tearDown(self): """Call after every test case.""" super(AddFailure, self).tearDown() def _addDefItems(self): self.__items = [['193.168.0.128', 1167605999.0], ['193.168.0.128', 1167605999.0], ['193.168.0.128', 1167605999.0], ['193.168.0.128', 1167605999.0], ['193.168.0.128', 1167605999.0], ['87.142.124.10', 1167605999.0], ['87.142.124.10', 1167605999.0], ['87.142.124.10', 1167605999.0], ['100.100.10.10', 1000000000.0], ['100.100.10.10', 1000000500.0], ['100.100.10.10', 1000001000.0], ['100.100.10.10', 1000001500.0], ['100.100.10.10', 1000002000.0]] for i in self.__items: self.__failManager.addFailure(FailTicket(i[0], i[1])) def testFailManagerAdd(self): self._addDefItems() self.assertEqual(self.__failManager.size(), 3) self.assertEqual(self.__failManager.getFailTotal(), 13) self.__failManager.setFailTotal(0) self.assertEqual(self.__failManager.getFailTotal(), 0) self.__failManager.setFailTotal(13) def testFailManagerAdd_MaxMatches(self): maxMatches = 2 self.__failManager.maxMatches = maxMatches failures = ["abc\n", "123\n", "ABC\n", "1234\n"] # add failures sequential: i = 80 for f in failures: i -= 10 ticket = FailTicket("127.0.0.1", 1000002000 - i, [f]) ticket.setAttempt(1) self.__failManager.addFailure(ticket) # manFailList = self.__failManager._FailManager__failList self.assertEqual(len(manFailList), 1) ticket = manFailList["127.0.0.1"] # should retrieve 2 matches only, but count of all attempts (4): self.assertEqual(ticket.getAttempt(), len(failures)) self.assertEqual(len(ticket.getMatches()), maxMatches) self.assertEqual(ticket.getMatches(), failures[len(failures) - maxMatches:]) # add more failures at once: ticket = FailTicket("127.0.0.1", 1000002000 - 10, failures) ticket.setAttempt(len(failures)) self.__failManager.addFailure(ticket) # manFailList = self.__failManager._FailManager__failList self.assertEqual(len(manFailList), 1) ticket = manFailList["127.0.0.1"] # should retrieve 2 matches only, but count of all attempts (8): self.assertEqual(ticket.getAttempt(), 2 * len(failures)) self.assertEqual(len(ticket.getMatches()), maxMatches) self.assertEqual(ticket.getMatches(), failures[len(failures) - maxMatches:]) # add self ticket again: self.__failManager.addFailure(ticket) # manFailList = self.__failManager._FailManager__failList self.assertEqual(len(manFailList), 1) ticket = manFailList["127.0.0.1"] # same matches, but +1 attempt (9) self.assertEqual(ticket.getAttempt(), 2 * len(failures) + 1) self.assertEqual(len(ticket.getMatches()), maxMatches) self.assertEqual(ticket.getMatches(), failures[len(failures) - maxMatches:]) # no matches by maxMatches == 0 : self.__failManager.maxMatches = 0 self.__failManager.addFailure(ticket) manFailList = self.__failManager._FailManager__failList ticket = manFailList["127.0.0.1"] self.assertEqual(len(ticket.getMatches()), 0) # test set matches None to None: ticket.setMatches(None) def testFailManagerMaxTime(self): self._addDefItems() self.assertEqual(self.__failManager.getMaxTime(), 600) self.__failManager.setMaxTime(13) self.assertEqual(self.__failManager.getMaxTime(), 13) self.__failManager.setMaxTime(600) def testDel(self): self._addDefItems() self.__failManager.delFailure('193.168.0.128') self.__failManager.delFailure('111.111.1.111') self.assertEqual(self.__failManager.size(), 2) def testCleanupOK(self): self._addDefItems() timestamp = 1167606999.0 self.__failManager.cleanup(timestamp) self.assertEqual(self.__failManager.size(), 0) def testCleanupNOK(self): self._addDefItems() timestamp = 1167605990.0 self.__failManager.cleanup(timestamp) self.assertEqual(self.__failManager.size(), 2) def testbanOK(self): self._addDefItems() self.__failManager.setMaxRetry(5) #ticket = FailTicket('193.168.0.128', None) ticket = self.__failManager.toBan() self.assertEqual(ticket.getID(), "193.168.0.128") self.assertTrue(isinstance(ticket.getID(), (str, IPAddr))) # finish with rudimentary tests of the ticket # verify consistent str ticket_str = str(ticket) ticket_repr = repr(ticket) self.assertEqual( ticket_str, 'FailTicket: ip=193.168.0.128 time=1167605999.0 bantime=None bancount=0 #attempts=5 matches=[]') self.assertEqual( ticket_repr, 'FailTicket: ip=193.168.0.128 time=1167605999.0 bantime=None bancount=0 #attempts=5 matches=[]') self.assertFalse(not ticket) # and some get/set-ers otherwise not tested ticket.setTime(1000002000.0) self.assertEqual(ticket.getTime(), 1000002000.0) # and str() adjusted correspondingly self.assertEqual( str(ticket), 'FailTicket: ip=193.168.0.128 time=1000002000.0 bantime=None bancount=0 #attempts=5 matches=[]') def testbanNOK(self): self._addDefItems() self.__failManager.setMaxRetry(10) self.assertRaises(FailManagerEmpty, self.__failManager.toBan) def testWindow(self): self._addDefItems() ticket = self.__failManager.toBan() self.assertNotEqual(ticket.getID(), "100.100.10.10") ticket = self.__failManager.toBan() self.assertNotEqual(ticket.getID(), "100.100.10.10") self.assertRaises(FailManagerEmpty, self.__failManager.toBan) def testBgService(self): bgSvc = self.__failManager._FailManager__bgSvc failManager2nd = FailManager() # test singleton (same object): bgSvc2 = failManager2nd._FailManager__bgSvc self.assertTrue(id(bgSvc) == id(bgSvc2)) bgSvc2 = None # test service : self.assertTrue(bgSvc.service(True, True)) self.assertFalse(bgSvc.service()) # bypass threshold and time: for i in range(1, bgSvc._BgService__threshold): self.assertFalse(bgSvc.service()) # bypass time check: bgSvc._BgService__serviceTime = -0x7fffffff self.assertTrue(bgSvc.service()) # bypass threshold and time: bgSvc._BgService__serviceTime = -0x7fffffff for i in range(1, bgSvc._BgService__threshold): self.assertFalse(bgSvc.service()) self.assertTrue(bgSvc.service(False, True)) self.assertFalse(bgSvc.service(False, True)) class FailmanagerComplex(unittest.TestCase): def setUp(self): """Call before every test case.""" super(FailmanagerComplex, self).setUp() self.__failManager = FailManager() # down logging level for all this tests, because of extremely large failure count (several GB on heavydebug) self.__saved_ll = failmanager.logLevel failmanager.logLevel = 3 def tearDown(self): super(FailmanagerComplex, self).tearDown() # restore level failmanager.logLevel = self.__saved_ll @staticmethod def _ip_range(maxips): class _ip(list): def __str__(self): return '.'.join(map(str, self)) def __repr__(self): return str(self) def __key__(self): return str(self) def __hash__(self): #return (int)(struct.unpack('I', struct.pack("BBBB",*self))[0]) return (int)(self[0] << 24 | self[1] << 16 | self[2] << 8 | self[3]) i = 0 c = [127,0,0,0] while i < maxips: for n in range(3,0,-1): if c[n] < 255: c[n] += 1 break c[n] = 0 yield (i, _ip(c)) i += 1 def testCheckIPGenerator(self): for i, ip in self._ip_range(65536 if not unittest.F2B.fast else 1000): if i == 254: self.assertEqual(str(ip), '127.0.0.255') elif i == 255: self.assertEqual(str(ip), '127.0.1.0') elif i == 1000: self.assertEqual(str(ip), '127.0.3.233') elif i == 65534: self.assertEqual(str(ip), '127.0.255.255') elif i == 65535: self.assertEqual(str(ip), '127.1.0.0')