From 934489a03705964deaff93d7d6428ee819fb4622 Mon Sep 17 00:00:00 2001
From: bwarsaw
Date: Sat, 26 Jan 2002 23:28:53 +0000
Subject: dequeue(): Handle the case when the email package throws a
 MessageParseError during parsing of the message.  Most likely cause is
 because of bad MIME encapsulation.  /That's/ likely caused by the message
 being a virus <wink>.

Disposition depends on QRUNNER_SAVE_BAD_MESSAGES.  When true, the
message text is saved in qfiles/bad.  When false, it is discarded.  We
always log the error.
---
 Mailman/Queue/Switchboard.py | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/Mailman/Queue/Switchboard.py b/Mailman/Queue/Switchboard.py
index f0714dd80..a71d6c146 100644
--- a/Mailman/Queue/Switchboard.py
+++ b/Mailman/Queue/Switchboard.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001 by the Free Software Foundation, Inc.
+# Copyright (C) 2001,2002 by the Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -157,6 +157,22 @@ class _Switchboard:
                     os.unlink(msgfile)
                 except EnvironmentError, e:
                     if e.errno <> errno.ENOENT: raise
+                except email.Errors.MessageParseError, e:
+                    # This message was unparsable, most likely because its
+                    # MIME encapsulation was broken.  For now, there's not
+                    # much we can do about it.
+                    syslog('error', 'message is unparsable: %s', filebase)
+                    msgfp.close()
+                    msgfp = None
+                    if mm_cfg.QRUNNER_SAVE_BAD_MESSAGES:
+                        # Cheapo way to ensure the directory exists w/ the
+                        # proper permissions.
+                        sb = Switchboard(mm_cfg.BADQUEUE_DIR)
+                        os.rename(msgfile, os.path.join(
+                            mm_cfg.BADQUEUE_DIR, filebase + '.txt'))
+                    else:
+                        os.unlink(msgfile)
+                    msg = data = None
         finally:
             if msgfp:
                 msgfp.close()
-- 
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