ENH: allow to split ignoreip by space and/or comma (Closes #1197)

Way too many people ran into this gotcha, so lets just do it

1 files changed, 10 insertions, 0 deletions

diff --git a/fail2ban/helpers.py b/fail2ban/helpers.py
index f5c3163a..8e1b0e32 100644
--- a/fail2ban/helpers.py
+++ b/fail2ban/helpers.py
@@ -127,3 +127,13 @@ def excepthook(exctype, value, traceback):
 	getLogger("fail2ban").critical(
 		"Unhandled exception in Fail2Ban:", exc_info=True)
 	return sys.__excepthook__(exctype, value, traceback)
+
+def splitcommaspace(s):
+	"""Helper to split on any comma or space
+
+	Returns empty list if input is empty (or None) and filters
+	out empty entries
+	"""
+	if not s:
+		return []
+	return filter(bool, re.split('[ ,]', s))