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fail2ban/testcases/servertestcase.py

444 lines
13 KiB

# 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
#
# $Revision$
__author__ = "Cyril Jaquier"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"
import unittest, socket, time, tempfile, os
from server.server import Server
class StartStop(unittest.TestCase):
def setUp(self):
"""Call before every test case."""
self.__server = Server()
self.__server.setLogLevel(0)
self.__server.start(False)
def tearDown(self):
"""Call after every test case."""
self.__server.quit()
def testStartStopJail(self):
name = "TestCase"
self.__server.addJail(name)
self.__server.startJail(name)
time.sleep(1)
self.__server.stopJail(name)
class Transmitter(unittest.TestCase):
def setUp(self):
"""Call before every test case."""
self.__server = Server()
self.__transm = self.__server._Server__transm
self.__server.setLogTarget("/dev/null")
self.__server.setLogLevel(0)
sock_fd, sock_name = tempfile.mkstemp('fail2ban.sock', 'transmitter')
os.close(sock_fd)
pidfile_fd, pidfile_name = tempfile.mkstemp(
'fail2ban.pid', 'transmitter')
os.close(pidfile_fd)
self.__server.start(sock_name, pidfile_name, force=False)
self.jailName = "TestJail1"
self.__server.addJail(self.jailName, "auto")
def tearDown(self):
"""Call after every test case."""
self.__server.quit()
def setGetTest(self, cmd, inValue, outValue=None, jail=None):
setCmd = ["set", cmd, inValue]
getCmd = ["get", cmd]
if jail is not None:
setCmd.insert(1, jail)
getCmd.insert(1, jail)
if outValue is None:
outValue = inValue
self.assertEqual(self.__transm.proceed(setCmd), (0, outValue))
self.assertEqual(self.__transm.proceed(getCmd), (0, outValue))
def setGetTestNOK(self, cmd, inValue, jail=None):
setCmd = ["set", cmd, inValue]
getCmd = ["get", cmd]
if jail is not None:
setCmd.insert(1, jail)
getCmd.insert(1, jail)
# Get initial value before trying invalid value
initValue = self.__transm.proceed(getCmd)[1]
self.assertEqual(self.__transm.proceed(setCmd)[0], 1)
# Check after failed set that value is same as previous
self.assertEqual(self.__transm.proceed(getCmd), (0, initValue))
def jailAddDelTest(self, cmd, values, jail):
cmdAdd = "add" + cmd
cmdDel = "del" + cmd
self.assertEqual(
self.__transm.proceed(["get", jail, cmd]), (0, []))
for n, value in enumerate(values):
self.assertEqual(
self.__transm.proceed(["set", jail, cmdAdd, value]),
(0, values[:n+1]))
self.assertEqual(
self.__transm.proceed(["get", jail, cmd]),
(0, values[:n+1]))
for n, value in enumerate(values):
self.assertEqual(
self.__transm.proceed(["set", jail, cmdDel, value]),
(0, values[n+1:]))
self.assertEqual(
self.__transm.proceed(["get", jail, cmd]),
(0, values[n+1:]))
def jailAddDelRegexTest(self, cmd, inValues, outValues, jail):
cmdAdd = "add" + cmd
cmdDel = "del" + cmd
if outValues is None:
outValues = inValues
self.assertEqual(
self.__transm.proceed(["get", jail, cmd]), (0, []))
for n, value in enumerate(inValues):
self.assertEqual(
self.__transm.proceed(["set", jail, cmdAdd, value]),
(0, outValues[:n+1]))
self.assertEqual(
self.__transm.proceed(["get", jail, cmd]),
(0, outValues[:n+1]))
for n, value in enumerate(inValues):
self.assertEqual(
self.__transm.proceed(["set", jail, cmdDel, 0]), # First item
(0, outValues[n+1:]))
self.assertEqual(
self.__transm.proceed(["get", jail, cmd]),
(0, outValues[n+1:]))
def testPing(self):
self.assertEqual(self.__transm.proceed(["ping"]), (0, "pong"))
def testSleep(self):
t0 = time.time()
self.assertEqual(self.__transm.proceed(["sleep", "1"]), (0, None))
t1 = time.time()
# Approx 1 second delay
self.assertAlmostEqual(t1 - t0, 1, places=2)
def testLogTarget(self):
logTargets = []
for _ in xrange(3):
tmpFile = tempfile.mkstemp("fail2ban", "transmitter")
logTargets.append(tmpFile[1])
os.close(tmpFile[0])
for logTarget in logTargets:
self.setGetTest("logtarget", logTarget)
# If path is invalid, do not change logtarget
value = "/this/path/should/not/exist"
self.assertEqual(
self.__transm.proceed(["set", "logtarget", value]),
(0, logTarget)) #NOTE: Shouldn't this return 1
self.assertEqual(
self.__transm.proceed(["get", "logtarget"]), (0, logTargets[-1]))
self.__transm.proceed(["set", "/dev/null"])
for logTarget in logTargets:
os.remove(logTarget)
def testLogLevel(self):
self.setGetTest("loglevel", "4", 4)
self.setGetTest("loglevel", "2", 2)
self.setGetTest("loglevel", "-1", -1)
self.setGetTestNOK("loglevel", "Bird")
def testAddJail(self):
jail2 = "TestJail2"
jail3 = "TestJail3"
jail4 = "TestJail4"
self.assertEqual(
self.__transm.proceed(["add", jail2, "polling"]), (0, jail2))
self.assertEqual(self.__transm.proceed(["add", jail3]), (0, jail3))
self.assertEqual(
self.__transm.proceed(["add", jail4, "invalid backend"])[0], 1)
self.assertEqual(
self.__transm.proceed(["add", jail4, "auto"]), (0, jail4))
# Duplicate Jail
self.assertEqual(
self.__transm.proceed(["add", self.jailName, "polling"])[0], 1)
# All name is reserved
self.assertEqual(
self.__transm.proceed(["add", "all", "polling"])[0], 1)
def testJailIdle(self):
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "idle", "on"]),
(0, True))
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "idle", "off"]),
(0, False))
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "idle", "CAT"])[0],
0) #NOTE: Should this return 1
def testJailFindTime(self):
self.setGetTest("findtime", "120", 120, jail=self.jailName)
self.setGetTest("findtime", "60", 60, jail=self.jailName)
self.setGetTest("findtime", "-60", -60, jail=self.jailName)
self.setGetTestNOK("findtime", "Dog", jail=self.jailName)
def testJailBanTime(self):
self.setGetTest("bantime", "600", 600, jail=self.jailName)
self.setGetTest("bantime", "50", 50, jail=self.jailName)
self.setGetTest("bantime", "-50", -50, jail=self.jailName)
self.setGetTestNOK("bantime", "Cat", jail=self.jailName)
def testJailUseDNS(self):
self.setGetTest("usedns", "yes", jail=self.jailName)
self.setGetTest("usedns", "warn", jail=self.jailName)
self.setGetTest("usedns", "no", jail=self.jailName)
# Safe default should be "no"
value = "Fish"
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "usedns", value]),
(0, "no"))
def testJailBanIP(self):
self.__server.startJail(self.jailName) # Jail must be started
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "banip", "127.0.0.1"]),
(0, "127.0.0.1"))
time.sleep(1) # Give chance to ban
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "banip", "Badger"]),
(0, "Badger")) #NOTE: Is IP address validated? Is DNS Lookup done?
time.sleep(1) # Give chance to ban
# Unban IP
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, "unbanip", "127.0.0.1"]),
(0, "127.0.0.1"))
# Unban IP which isn't banned
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, "unbanip", "192.168.1.1"]),
(0, "None")) #NOTE: Should this return 1?
def testJailMaxRetry(self):
self.setGetTest("maxretry", "5", 5, jail=self.jailName)
self.setGetTest("maxretry", "2", 2, jail=self.jailName)
self.setGetTest("maxretry", "-2", -2, jail=self.jailName)
self.setGetTestNOK("maxretry", "Duck", jail=self.jailName)
def testJailLogPath(self):
self.jailAddDelTest(
"logpath",
[
"testcases/files/testcase01.log",
"testcases/files/testcase02.log",
"testcases/files/testcase03.log",
],
self.jailName
)
# Try duplicates
value = "testcases/files/testcase04.log"
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "addlogpath", value]),
(0, [value]))
# Will silently ignore duplicate
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "addlogpath", value]),
(0, [value]))
self.assertEqual(
self.__transm.proceed(["get", self.jailName, "logpath"]),
(0, [value]))
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "dellogpath", value]),
(0, []))
# Invalid file
value = "this_file_shouldn't_exist"
result = self.__transm.proceed(
["set", self.jailName, "addlogpath", value])
self.assertTrue(isinstance(result[1], IOError))
def testJailIgnoreIP(self):
self.jailAddDelTest(
"ignoreip",
[
"127.0.0.1",
"192.168.1.1",
"8.8.8.8",
],
self.jailName
)
# Try duplicates
value = "127.0.0.1"
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "addignoreip", value]),
(0, [value]))
# Will allow duplicate
#NOTE: Should duplicates be allowed, or silent ignore like logpath?
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "addignoreip", value]),
(0, [value, value]))
self.assertEqual(
self.__transm.proceed(["get", self.jailName, "ignoreip"]),
(0, [value, value]))
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "delignoreip", value]),
(0, [value]))
def testJailRegex(self):
self.jailAddDelRegexTest("failregex",
[
"user john at <HOST>",
"Admin user login from <HOST>",
"failed attempt from <HOST> again",
],
[
"user john at (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)",
"Admin user login from (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)",
"failed attempt from (?:::f{4,6}:)?(?P<host>[\w\-.^_]+) again",
],
self.jailName
)
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, "addfailregex", "No host regex"]),
(0, [])) #NOTE: Shouldn't this return 1?
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, "addfailregex", 654])[0],
1)
def testJailIgnoreRegex(self):
self.jailAddDelRegexTest("ignoreregex",
[
"user john",
"Admin user login from <HOST>",
"Dont match me!",
],
[
"user john",
"Admin user login from (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)",
"Dont match me!",
],
self.jailName
)
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, "addignoreregex", 50])[0],
1)
def testStatus(self):
jails = [self.jailName]
self.assertEqual(self.__transm.proceed(["status"]),
(0, [('Number of jail', len(jails)), ('Jail list', ", ".join(jails))]))
self.__server.addJail("TestJail2", "auto")
jails.append("TestJail2")
self.assertEqual(self.__transm.proceed(["status"]),
(0, [('Number of jail', len(jails)), ('Jail list', ", ".join(jails))]))
def testJailStatus(self):
self.assertEqual(self.__transm.proceed(["status", self.jailName]),
(0,
[
('filter', [
('Currently failed', 0),
('Total failed', 0),
('File list', [])]
),
('action', [
('Currently banned', 0),
('Total banned', 0),
('IP list', [])]
)
]
)
)
def testAction(self):
action = "TestCaseAction"
cmdList = [
"actionstart",
"actionstop",
"actioncheck",
"actionban",
"actionunban",
]
cmdValueList = [
"Action Start",
"Action Stop",
"Action Check",
"Action Ban",
"Action Unban",
]
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "addaction", action]),
(0, action))
for cmd, value in zip(cmdList, cmdValueList):
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, cmd, action, value]),
(0, value))
for cmd, value in zip(cmdList, cmdValueList):
self.assertEqual(
self.__transm.proceed(["get", self.jailName, cmd, action]),
(0, value))
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, "setcinfo", action, "KEY", "VALUE"]),
(0, "VALUE"))
self.assertEqual(
self.__transm.proceed(
["get", self.jailName, "cinfo", action, "KEY"]),
(0, "VALUE"))
self.assertEqual(
self.__transm.proceed(
["get", self.jailName, "cinfo", action, "InvalidKey"])[0],
1)
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, "delcinfo", action, "KEY"]),
(0, None))
self.assertEqual(
self.__transm.proceed(["set", self.jailName, "delaction", action]),
(0, None))
self.assertEqual(
self.__transm.proceed(
["set", self.jailName, "delaction", "Doesn't exist"]),
(0, None)) #NOTE: Should this return 1?