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ENH: Warn when multiline regex used when maxlines not greater than 1

pull/616/head
Steven Hiscocks 2014-02-15 14:42:44 +00:00
parent fceac53776
commit df3e4a2742
2 changed files with 7 additions and 1 deletions
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4
fail2ban/client/filterreader.py
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@ -61,7 +61,9 @@ class FilterReader(DefinitionInitConfigReader):
stream.append(["set", self._jailName, "addignoreregex", regex]) stream.append(["set", self._jailName, "addignoreregex", regex])
if self._initOpts: if self._initOpts:
if 'maxlines' in self._initOpts: if 'maxlines' in self._initOpts:
stream.append(["set", self._jailName, "maxlines", self._initOpts["maxlines"]]) # We warn when multiline regex is used without maxlines > 1
# therefore keep sure we set this option first.
stream.insert(0, ["set", self._jailName, "maxlines", self._initOpts["maxlines"]])
if 'datepattern' in self._initOpts: if 'datepattern' in self._initOpts:
stream.append(["set", self._jailName, "datepattern", self._initOpts["datepattern"]]) stream.append(["set", self._jailName, "datepattern", self._initOpts["datepattern"]])
# Do not send a command if the match is empty. # Do not send a command if the match is empty.

4
fail2ban/server/filter.py
View File

@ -95,6 +95,10 @@ class Filter(JailThread):
try: try:
regex = FailRegex(value) regex = FailRegex(value)
self.__failRegex.append(regex) self.__failRegex.append(regex)
if "\n" in regex.getRegex() and not self.getMaxLines() > 1:
logSys.warning(
"Mutliline regex set for jail '%s' "
"but maxlines not greater than 1")
except RegexException, e: except RegexException, e:
logSys.error(e) logSys.error(e)
raise e raise e