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| Current File : //compat/linux/proc/self/root/usr/share/fail2ban/testcases/clientreadertestcase.py |
# 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, glob, tempfile, shutil, unittest
from client.configreader import ConfigReader
from client.jailreader import JailReader
from client.jailsreader import JailsReader
from client.configurator import Configurator
from utils import LogCaptureTestCase
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)
# fragile test and known to fail e.g. under Cygwin where permissions
# seems to be not enforced, thus condition
if not os.access(f, os.R_OK):
self.assertFalse(self.c.read('d')) # should not be readable BUT present
else:
# SkipTest introduced only in 2.7 thus can't yet use generally
# raise unittest.SkipTest("Skipping on %s -- access rights are not enforced" % platform)
pass
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.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(), 2)
self._write("c.local", "3") # add override in .local
self.assertEqual(self._getoption(), 3)
self._write("c.d/5.local", "9") # add override in c.d/*.local
self.assertEqual(self._getoption(), 9)
self._remove("c.conf") # we allow to stay without .conf
self.assertEqual(self._getoption(), 9)
self._write("c.conf", "1")
self._remove("c.d/5.local")
self._remove("c.local")
self.assertEqual(self._getoption(), 1)
class JailReaderTest(LogCaptureTestCase):
def testJailActionEmpty(self):
jail = JailReader('emptyaction', basedir=os.path.join('testcases','config'))
self.assertTrue(jail.read())
self.assertTrue(jail.getOptions())
self.assertTrue(jail.isEnabled())
self.assertTrue(self._is_logged('No filter set for jail emptyaction'))
self.assertTrue(self._is_logged('No actions were defined for emptyaction'))
def testJailActionFilterMissing(self):
jail = JailReader('missingbitsjail', basedir=os.path.join('testcases','config'))
self.assertTrue(jail.read())
self.assertFalse(jail.getOptions())
self.assertTrue(jail.isEnabled())
self.assertTrue(self._is_logged("Found no accessible config files for 'filter.d/catchallthebadies' under testcases/config"))
self.assertTrue(self._is_logged('Unable to read the filter'))
def testJailActionBrokenDef(self):
jail = JailReader('brokenactiondef', basedir=os.path.join('testcases','config'))
self.assertTrue(jail.read())
self.assertFalse(jail.getOptions())
self.assertTrue(jail.isEnabled())
self.assertTrue(self._is_logged('Error in action definition joho[foo'))
self.assertTrue(self._is_logged('Caught exception: While reading action joho[foo we should have got 1 or 2 groups. Got: 0'))
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')
jail.setName('ssh-funky-blocker')
self.assertEqual(jail.getName(), 'ssh-funky-blocker')
def testSplitAction(self):
action = "mail-whois[name=SSH]"
expected = ['mail-whois', {'name': 'SSH'}]
result = JailReader.splitAction(action)
self.assertEqual(expected, result)
self.assertEqual(['mail.who_is', {}], JailReader.splitAction("mail.who_is"))
self.assertEqual(['mail.who_is', {'a':'cat', 'b':'dog'}], JailReader.splitAction("mail.who_is[a=cat,b=dog]"))
self.assertEqual(['mail--ho_is', {}], JailReader.splitAction("mail--ho_is"))
self.assertEqual(['mail--ho_is', {}], JailReader.splitAction("mail--ho_is['s']"))
self.assertTrue(self._is_logged("Invalid argument ['s'] in ''s''"))
self.assertEqual(['mail', {'a': ','}], JailReader.splitAction("mail[a=',']"))
self.assertRaises(ValueError, JailReader.splitAction ,'mail-how[')
def testGlob(self):
d = tempfile.mkdtemp(prefix="f2b-temp")
# Generate few files
# regular file
f1 = os.path.join(d, 'f1')
open(f1, 'w').close()
# dangling link
f2 = os.path.join(d, 'f2')
os.symlink('nonexisting',f2)
# must be only f1
self.assertEqual(JailReader._glob(os.path.join(d, '*')), [f1])
# since f2 is dangling -- empty list
self.assertEqual(JailReader._glob(f2), [])
self.assertTrue(self._is_logged('File %s is a dangling link, thus cannot be monitored' % f2))
self.assertEqual(JailReader._glob(os.path.join(d, 'nonexisting')), [])
os.remove(f1)
os.remove(f2)
os.rmdir(d)
class JailsReaderTest(LogCaptureTestCase):
def testProvidingBadBasedir(self):
if not os.path.exists('/XXX'):
reader = JailsReader(basedir='/XXX')
self.assertRaises(ValueError, reader.read)
def testReadTestJailConf(self):
jails = JailsReader(basedir=os.path.join('testcases','config'))
self.assertTrue(jails.read())
self.assertFalse(jails.getOptions())
self.assertRaises(ValueError, jails.convert)
comm_commands = jails.convert(allow_no_files=True)
self.maxDiff = None
self.assertEqual(sorted(comm_commands),
sorted([['add', 'emptyaction', 'auto'],
['set', 'emptyaction', 'usedns', 'warn'],
['set', 'emptyaction', 'maxretry', 3],
['set', 'emptyaction', 'findtime', 600],
['set', 'emptyaction', 'bantime', 600],
['add', 'special', 'auto'],
['set', 'special', 'usedns', 'warn'],
['set', 'special', 'maxretry', 3],
['set', 'special', 'addfailregex', '<IP>'],
['set', 'special', 'findtime', 600],
['set', 'special', 'bantime', 600],
['add', 'missinglogfiles', 'auto'],
['set', 'missinglogfiles', 'usedns', 'warn'],
['set', 'missinglogfiles', 'maxretry', 3],
['set', 'missinglogfiles', 'findtime', 600],
['set', 'missinglogfiles', 'bantime', 600],
['set', 'missinglogfiles', 'addfailregex', '<IP>'],
['add', 'brokenaction', 'auto'],
['set', 'brokenaction', 'usedns', 'warn'],
['set', 'brokenaction', 'maxretry', 3],
['set', 'brokenaction', 'findtime', 600],
['set', 'brokenaction', 'bantime', 600],
['set', 'brokenaction', 'addfailregex', '<IP>'],
['set', 'brokenaction', 'addaction', 'brokenaction'],
['set',
'brokenaction',
'actionban',
'brokenaction',
'hit with big stick <ip>'],
['set', 'brokenaction', 'actionstop', 'brokenaction', ''],
['set', 'brokenaction', 'actionstart', 'brokenaction', ''],
['set', 'brokenaction', 'actionunban', 'brokenaction', ''],
['set', 'brokenaction', 'actioncheck', 'brokenaction', ''],
['add', 'parse_to_end_of_jail.conf', 'auto'],
['set', 'parse_to_end_of_jail.conf', 'usedns', 'warn'],
['set', 'parse_to_end_of_jail.conf', 'maxretry', 3],
['set', 'parse_to_end_of_jail.conf', 'findtime', 600],
['set', 'parse_to_end_of_jail.conf', 'bantime', 600],
['set', 'parse_to_end_of_jail.conf', 'addfailregex', '<IP>'],
['start', 'emptyaction'],
['start', 'special'],
['start', 'missinglogfiles'],
['start', 'brokenaction'],
['start', 'parse_to_end_of_jail.conf'],]))
self.assertTrue(self._is_logged("Errors in jail 'missingbitsjail'. Skipping..."))
self.assertTrue(self._is_logged("No file(s) found for glob /weapons/of/mass/destruction"))
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.maxDiff = None
self.assertEqual(comm_commands, [])
# We should not "read" some bogus jail
old_comm_commands = comm_commands[:] # make a copy
self.assertFalse(jails.getOptions("BOGUS"))
self.assertTrue(self._is_logged("No section: 'BOGUS'"))
# and there should be no side-effects
self.assertEqual(jails.convert(), old_comm_commands)
def testReadSockJailConfComplete(self):
jails = JailsReader(basedir='config', force_enable=True)
self.assertTrue(jails.read()) # opens fine
self.assertTrue(jails.getOptions()) # reads fine
# grab all filter names
filters = set(os.path.splitext(os.path.split(a)[1])[0]
for a in glob.glob(os.path.join('config', 'filter.d', '*.conf'))
if not a.endswith('common.conf'))
filters_jail = set(jail.getRawOptions()['filter'] for jail in jails.getJails())
self.maxDiff = None
self.assertTrue(filters.issubset(filters_jail),
"More filters exists than are referenced in stock jail.conf %r" % filters.difference(filters_jail))
self.assertTrue(filters_jail.issubset(filters),
"Stock jail.conf references non-existent filters %r" % filters_jail.difference(filters))
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(allow_no_files=True)
# 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')
for j in jails._JailsReader__jails:
actions = j._JailReader__actions
jail_name = j.getName()
# make sure that all of the jails have actions assigned,
# otherwise it makes little to no sense
self.assertTrue(len(actions),
msg="No actions found for jail %s" % jail_name)
# Test for presence of blocktype (in relation to gh-232)
for action in actions:
commands = action.convert()
file_ = action.getFile()
if '<blocktype>' in str(commands):
# Verify that it is among cInfo
self.assertTrue('blocktype' in action._ActionReader__cInfo)
# Verify that we have a call to set it up
blocktype_present = False
target_command = [ 'set', jail_name, 'setcinfo', file_, 'blocktype' ]
for command in commands:
if (len(command) > 5 and
command[:5] == target_command):
blocktype_present = True
continue
self.assertTrue(
blocktype_present,
msg="Found no %s command among %s"
% (target_command, str(commands)) )
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(sorted(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')