jailreader: support multiple option groups, syntax `action = act[p1=...][p2=...]` + test case for it

(see gh-1425, gh-1429)

fail2ban/client/jailreader.py

@@ -42,9 +42,14 @@ logSys = getLogger(__name__)
 
 class JailReader(ConfigReader):
 	
+	# regex, to extract list of options:
 	optionCRE = re.compile("^((?:\w|-|_|\.)+)(?:\[(.*)\])?$")
+	# regex, to iterate over single option in option list, syntax:
+	# `action = act[p1="...", p2='...', p3=...]`, where the p3=... not contains `,` or ']'
+	# since v0.10 separator extended with `]\s*[` for support of multiple option groups, syntax 
+	# `action = act[p1=...][p2=...]`
 	optionExtractRE = re.compile(
-		r'([\w\-_\.]+)=(?:"([^"]*)"|\'([^\']*)\'|([^,]*))(?:,|$)')
+		r'([\w\-_\.]+)=(?:"([^"]*)"|\'([^\']*)\'|([^,\]]*))(?:,|\]\s*\[|$)')
 	
 	def __init__(self, name, force_enable=False, **kwargs):
 		ConfigReader.__init__(self, **kwargs)

fail2ban/tests/clientreadertestcase.py

@@ -255,6 +255,13 @@ class JailReaderTest(LogCaptureTestCase):
 		result = JailReader.extractOptions(option)
 		self.assertEqual(expected, result)
 
+		# And multiple groups (`][` instead of `,`)
+		result = JailReader.extractOptions(option.replace(',', ']['))
+		expected2 = (expected[0],
+		 dict((k, v.replace(',', '][')) for k, v in expected[1].iteritems())
+		)
+		self.assertEqual(expected2, result)
+
 	def testVersionAgent(self):
 		jail = JailReader('blocklisttest', force_enable=True, basedir=CONFIG_DIR)
 		# emulate jail.read(), because such jail not exists: