[Bug 1194960] [NEW] unmatched entries for dovecot sieve deliveries when mailbox name contains whitespace

[Ben Coleman]

Public bug reported:

On Ubuntu 13.04, using the stock dovecot and logwatch, I get unmatched
entries for dovecot when sieve delivers into a mailbox that has
whitespace in its name.  The line which detects sieve deliveries (line
157) assumes that the mailbox name will not have whitespace:

    } elsif ( ($User, $Mailbox) = ( $ThisLine =~ /^$dovecottag
(?:lda\(|deliver\(|lmtp\(\d+, )(.*)\): (?:[^:]+: )?sieve: msgid=.*:
stored mail into mailbox '(\S+)'/ ) ) {

It's quite possible to have whitespace in mailbox names.  In my case,
using a Thunderbird client with Dovecot IMAP will allow mailboxes with
whitespace in the name to be created quite easily.

This can be fixed by instead accepting non-single-quote characters in
the mailbox name :

    } elsif ( ($User, $Mailbox) = ( $ThisLine =~ /^$dovecottag
(?:lda\(|deliver\(|lmtp\(\d+, )(.*)\): (?:[^:]+: )?sieve: msgid=.*:
stored mail into mailbox '([^']+)'/ ) ) {

I've got this fix running on my mail server, and it clears up the
unmatched sieve delivery entries I had been getting.

** Affects: logwatch (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1194960

Title:
  unmatched entries for dovecot sieve deliveries when mailbox name
  contains whitespace

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