Bugs item #1250657, was opened at 2005-08-02 23:12
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Category: security/privacy
Group: 2.1 (stable)
Status: Open
Resolution: None
Priority: 5
Submitted By: Iain Pople (iainpople)
Assigned to: Nobody/Anonymous (nobody)
Summary: header_filter_rules should use multiline mode
Initial Comment:
I have noticed some unexpected behaviour with
header_filter_rules.
I wanted to reject messages with an empty subject line so i came
up with the following regex:
^subject:\s*$
However it wasn't working as desired. After delving around in the
SpamDetect.py code i noticed that the re.search call is not using
MULTILINE mode. So the headers are treated as one long string
and ^ would only match the beginning of the string.
Is this the desired behaviour? To me it makes more sense that it
should use multiline mode.
i.e.:
--- SpamDetect.py.bak 2005-08-02 15:56:42.083270000 +1000
+++ SpamDetect.py 2005-08-02 17:33:59.698226000 +1000
@@ -127,7 +127,7 @@
for pattern in patterns.splitlines():
if pattern.startswith('#'):
continue
- if re.search(pattern, headers, re.IGNORECASE):
+ if re.search(pattern, headers, re.IGNORECASE|
re.MULTILINE):
if action == mm_cfg.DISCARD:
raise Errors.DiscardMessage
if action == mm_cfg.REJECT:
@@ -137,3 +137,4 @@
hold_for_approval(mlist, msg, msgdata,
HeaderMatchHold)
if action == mm_cfg.ACCEPT:
return
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