mailman/SOURCES/mailman-bouncer_oom_crash.p...

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--- Mailman/Bouncers/SimpleMatch.py 2018-06-17 23:47:34 +0000
+++ Mailman/Bouncers/SimpleMatch.py 2020-01-17 00:03:34 +0000
@@ -25,6 +25,9 @@
def _c(pattern):
return re.compile(pattern, re.IGNORECASE)
+# Pattern to match any valid email address and not much more.
+VALID = _c(r'[\x21-\x3d\x3f\x41-\x7e]+@[a-z0-9._]+')
+
# This is a list of tuples of the form
#
# (start cre, end cre, address cre)
@@ -227,4 +230,4 @@
break
if addrs:
break
- return addrs.keys()
+ return [x for x in addrs.keys() if VALID.match(x)]
=== modified file 'Mailman/Bouncers/SimpleWarning.py'
--- Mailman/Bouncers/SimpleWarning.py 2018-06-17 23:47:34 +0000
+++ Mailman/Bouncers/SimpleWarning.py 2020-01-17 00:03:34 +0000
@@ -17,9 +17,10 @@
"""Recognizes simple heuristically delimited warnings."""
+import email
+
from Mailman.Bouncers.BouncerAPI import Stop
from Mailman.Bouncers.SimpleMatch import _c
-from Mailman.Bouncers.SimpleMatch import process as _process
@@ -67,8 +68,25 @@
def process(msg):
- if _process(msg, patterns):
- # It's a recognized warning so stop now
- return Stop
- else:
- return []
+ # We used to just import process from SimpleMatch, but with the change in
+ # SimpleMatch to return only vaild addresses, that doesn't work any more.
+ # So, we copy most of the process from SimpleMatch here.
+ addrs = {}
+ for scre, ecre, acre in patterns:
+ state = 0
+ for line in email.Iterators.body_line_iterator(msg, decode=True):
+ if state == 0:
+ if scre.search(line):
+ state = 1
+ if state == 1:
+ mo = acre.search(line)
+ if mo:
+ addr = mo.group('addr')
+ if addr:
+ addrs[addr.strip('<>')] = 1
+ elif ecre.search(line):
+ break
+ if addrs:
+ # It's a recognized warning so stop now
+ return Stop
+ return []
--- Mailman/Bouncers/SimpleMatch.py 2020-01-17 00:03:34 +0000
+++ Mailman/Bouncers/SimpleMatch.py 2020-01-17 03:25:09 +0000
@@ -26,7 +26,7 @@
return re.compile(pattern, re.IGNORECASE)
# Pattern to match any valid email address and not much more.
-VALID = _c(r'[\x21-\x3d\x3f\x41-\x7e]+@[a-z0-9._]+')
+VALID = _c(r'^[\x21-\x3d\x3f\x41-\x7e]+@[a-z0-9._]+$')
# This is a list of tuples of the form
#