class LogFileMonitor(LogCaptureTestCase):
"""Few more tests for FilterPoll API
"""
def setUp(self):
"""Call before every test case."""
LogCaptureTestCase.setUp(self)
self.filter = self.name = 'NA'
_, self.name = tempfile.mkstemp('fail2ban', 'monitorfailures')
self.file = open(self.name, 'a')
self.filter = FilterPoll(None)
self.filter.addLogPath(self.name)
self.filter.setActive(True)
self.filter.addFailRegex("(?:(?:Authentication failure|Failed [-/\w+]+) for(?: [iI](?:llegal|nvalid) user)?|[Ii](?:llegal|nvalid) user|ROOT LOGIN REFUSED) .*(?: from|FROM) <HOST>")
def tearDown(self):
LogCaptureTestCase.tearDown(self)
_killfile(self.file, self.name)
pass
def isModified(self, delay=2.):
"""Wait up to `delay` sec to assure that it was modified or not
"""
time0 = time.time()
while time.time() < time0 + delay:
if self.filter.isModified(self.name):
return True
time.sleep(0.1)
return False
def notModified(self):
# shorter wait time for not modified status
return not self.isModified(0.4)
def testNoLogFile(self):
os.chmod(self.name, 0)
self.filter.getFailures(self.name)
self.assertTrue(self._is_logged('Unable to open %s' % self.name))
def testRemovingFailRegex(self):
self.filter.delFailRegex(0)
self.assertFalse(self._is_logged('Cannot remove regular expression. Index 0 is not valid'))
self.filter.delFailRegex(0)
self.assertTrue(self._is_logged('Cannot remove regular expression. Index 0 is not valid'))
def testRemovingIgnoreRegex(self):
self.filter.delIgnoreRegex(0)
self.assertTrue(self._is_logged('Cannot remove regular expression. Index 0 is not valid'))
def testNewChangeViaIsModified(self):
# it is a brand new one -- so first we think it is modified
self.assertTrue(self.isModified())
# but not any longer
self.assertTrue(self.notModified())
self.assertTrue(self.notModified())
mtimesleep() # to guarantee freshier mtime
for i in range(4): # few changes
# unless we write into it
self.file.write("line%d\n" % i)
self.file.flush()
self.assertTrue(self.isModified())
self.assertTrue(self.notModified())
mtimesleep() # to guarantee freshier mtime
os.rename(self.name, self.name + '.old')
# we are not signaling as modified whenever
# it gets away
self.assertTrue(self.notModified())
f = open(self.name, 'a')
self.assertTrue(self.isModified())
self.assertTrue(self.notModified())
mtimesleep()
f.write("line%d\n" % i)
f.flush()
self.assertTrue(self.isModified())
self.assertTrue(self.notModified())
_killfile(f, self.name)
_killfile(self.name, self.name + '.old')
pass
def testNewChangeViaGetFailures_simple(self):
# suck in lines from this sample log file
self.filter.getFailures(self.name)
self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
# Now let's feed it with entries from the file
_copy_lines_between_files(GetFailures.FILENAME_01, self.file, n=5)
self.filter.getFailures(self.name)
self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
# and it should have not been enough
_copy_lines_between_files(GetFailures.FILENAME_01, self.file, skip=5)
self.filter.getFailures(self.name)
_assert_correct_last_attempt(self, self.filter, GetFailures.FAILURES_01)
def testNewChangeViaGetFailures_rewrite(self):
#
# if we rewrite the file at once
self.file.close()
_copy_lines_between_files(GetFailures.FILENAME_01, self.name)
self.filter.getFailures(self.name)
_assert_correct_last_attempt(self, self.filter, GetFailures.FAILURES_01)
# What if file gets overridden
# yoh: skip so we skip those 2 identical lines which our
# filter "marked" as the known beginning, otherwise it
# would not detect "rotation"
self.file = _copy_lines_between_files(GetFailures.FILENAME_01, self.name,
skip=3, mode='w')
self.filter.getFailures(self.name)
#self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
_assert_correct_last_attempt(self, self.filter, GetFailures.FAILURES_01)
def testNewChangeViaGetFailures_move(self):
#
# if we move file into a new location while it has been open already
self.file = _copy_lines_between_files(GetFailures.FILENAME_01, self.name,
n=14, mode='w')
self.filter.getFailures(self.name)
self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
self.assertEqual(self.filter.failManager.getFailTotal(), 2)
# move aside, but leaving the handle still open...
os.rename(self.name, self.name + '.bak')
_copy_lines_between_files(GetFailures.FILENAME_01, self.name, skip=14)
self.filter.getFailures(self.name)
_assert_correct_last_attempt(self, self.filter, GetFailures.FAILURES_01)
self.assertEqual(self.filter.failManager.getFailTotal(), 3)
class LogFileMonitor(LogCaptureTestCase):
"""Few more tests for FilterPoll API
"""
def setUp(self):
"""Call before every test case."""
LogCaptureTestCase.setUp(self)
self.filter = self.name = 'NA'
_, self.name = tempfile.mkstemp('fail2ban', 'monitorfailures')
self.file = open(self.name, 'a')
self.filter = FilterPoll(None)
self.filter.addLogPath(self.name)
self.filter.setActive(True)
self.filter.addFailRegex("(?:(?:Authentication failure|Failed [-/\w+]+) for(?: [iI](?:llegal|nvalid) user)?|[Ii](?:llegal|nvalid) user|ROOT LOGIN REFUSED) .*(?: from|FROM) <HOST>")
def tearDown(self):
LogCaptureTestCase.tearDown(self)
_killfile(self.file, self.name)
pass
def isModified(self, delay=2.):
"""Wait up to `delay` sec to assure that it was modified or not
"""
time0 = time.time()
while time.time() < time0 + delay:
if self.filter.isModified(self.name):
return True
time.sleep(0.1)
return False
def notModified(self):
# shorter wait time for not modified status
return not self.isModified(0.4)
def testNoLogFile(self):
os.chmod(self.name, 0)
self.filter.getFailures(self.name)
self.assertTrue(self._is_logged('Unable to open %s' % self.name))
def testRemovingFailRegex(self):
self.filter.delFailRegex(0)
self.assertFalse(self._is_logged('Cannot remove regular expression. Index 0 is not valid'))
self.filter.delFailRegex(0)
self.assertTrue(self._is_logged('Cannot remove regular expression. Index 0 is not valid'))
def testRemovingIgnoreRegex(self):
self.filter.delIgnoreRegex(0)
self.assertTrue(self._is_logged('Cannot remove regular expression. Index 0 is not valid'))
def testNewChangeViaIsModified(self):
# it is a brand new one -- so first we think it is modified
self.assertTrue(self.isModified())
# but not any longer
self.assertTrue(self.notModified())
self.assertTrue(self.notModified())
mtimesleep() # to guarantee freshier mtime
for i in range(4): # few changes
# unless we write into it
self.file.write("line%d\n" % i)
self.file.flush()
self.assertTrue(self.isModified())
self.assertTrue(self.notModified())
mtimesleep() # to guarantee freshier mtime
os.rename(self.name, self.name + '.old')
# we are not signaling as modified whenever
# it gets away
self.assertTrue(self.notModified())
f = open(self.name, 'a')
self.assertTrue(self.isModified())
self.assertTrue(self.notModified())
mtimesleep()
f.write("line%d\n" % i)
f.flush()
self.assertTrue(self.isModified())
self.assertTrue(self.notModified())
_killfile(f, self.name)
_killfile(self.name, self.name + '.old')
pass
def testNewChangeViaGetFailures_simple(self):
# suck in lines from this sample log file
self.filter.getFailures(self.name)
self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
# Now let's feed it with entries from the file
_copy_lines_between_files(GetFailures.FILENAME_01, self.file, n=5)
self.filter.getFailures(self.name)
self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
# and it should have not been enough
_copy_lines_between_files(GetFailures.FILENAME_01, self.file, skip=5)
self.filter.getFailures(self.name)
_assert_correct_last_attempt(self, self.filter, GetFailures.FAILURES_01)
def testNewChangeViaGetFailures_rewrite(self):
#
# if we rewrite the file at once
self.file.close()
_copy_lines_between_files(GetFailures.FILENAME_01, self.name)
self.filter.getFailures(self.name)
_assert_correct_last_attempt(self, self.filter, GetFailures.FAILURES_01)
# What if file gets overridden
# yoh: skip so we skip those 2 identical lines which our
# filter "marked" as the known beginning, otherwise it
# would not detect "rotation"
self.file = _copy_lines_between_files(GetFailures.FILENAME_01, self.name,
skip=3, mode='w')
self.filter.getFailures(self.name)
#self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
_assert_correct_last_attempt(self, self.filter, GetFailures.FAILURES_01)
def testNewChangeViaGetFailures_move(self):
#
# if we move file into a new location while it has been open already
self.file = _copy_lines_between_files(GetFailures.FILENAME_01, self.name,
n=14, mode='w')
self.filter.getFailures(self.name)
self.assertRaises(FailManagerEmpty, self.filter.failManager.toBan)
self.assertEqual(self.filter.failManager.getFailTotal(), 2)
# move aside, but leaving the handle still open...
os.rename(self.name, self.name + '.bak')
_copy_lines_between_files(GetFailures.FILENAME_01, self.name, skip=14)
self.filter.getFailures(self.name)
_assert_correct_last_attempt(self, self.filter, GetFailures.FAILURES_01)
self.assertEqual(self.filter.failManager.getFailTotal(), 3)
