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Use BSMTP response code; misc cleanups

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Exim's BSMTP interface will indicate the SMTP response to the exchange;
actually use it rather than assuming all errors are 400-class soft ones.

Tolerate $transaction->header returning undef (since it evidently can under
some conditions).

Convert a few errant tabs to spaces.

Fix vi modeline.

Signed-off-by: Robert <rspier@pobox.com>
This commit is contained in:
Devin Carraway 2009-12-21 23:50:45 -08:00 committed by Robert
parent d77244e487
commit 3889821d16
1 changed files with 19 additions and 7 deletions
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26
plugins/queue/exim-bsmtp
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@ -80,12 +80,16 @@ sub register {
sub hook_queue {
my ($self, $transaction) = @_;
unless ($transaction->header) {
$self->log(LOGERROR, "No header parsed for transaction; can't enqueue");
return (DENY, 'Mail unqueuable');
}
my $tmp_dir = $self->qp->config('spool_dir') || '/tmp';
$tmp_dir = $1 if ($tmp_dir =~ /(.*)/);
my ($tmp, $tmpfn) = tempfile("exim-bsmtp.$$.XXXXXX", DIR => $tmp_dir);
unless ($tmp && $tmpfn) {
$self->log(LOGERROR, "Couldn't create tempfile: $!");
return (DECLINED, 'Internal error enqueueing mail');
$self->log(LOGERROR, "Couldn't create tempfile: $!");
return (DECLINED, 'Internal error enqueueing mail');
}
print $tmp "HELO ", hostname(), "\n",
@ -112,9 +116,13 @@ sub hook_queue {
# Normally exim produces no output in BSMTP mode; anything that
# does come out is an error worth logging.
my $start = time;
my ($bsmtp_error, $bsmtp_msg);
while (<$exim>) {
chomp;
$self->log(LOGERROR, "exim: $_");
chomp;
$self->log(LOGERROR, "exim: $_");
if (/(\d\d\d)\s(\S.*)/) {
($bsmtp_error, $bsmtp_msg) = ($1, $2);
}
}
$self->log(LOGDEBUG, "BSMTP finished (".(time - $start)." sec)");
$exim->close;
@ -122,7 +130,12 @@ sub hook_queue {
unlink $tmpfn or $self->log(LOGERROR, "unlink: $tmpfn: $!");
$self->log(LOGDEBUG, "Exitcode from exim: $exit");
if (($exit >> 8) != 0) {
if ($bsmtp_error && $bsmtp_error >= 400 && $bsmtp_error < 600) {
$self->log(LOGERROR, "BSMTP enqueue failed; response $bsmtp_error".
" ($bsmtp_msg)");
return ($bsmtp_error < 400 ? DECLINED : DENY, $bsmtp_msg);
}
elsif (($exit >> 8) != 0 || $bsmtp_error) {
$self->log(LOGERROR, 'BSMTP enqueue failed; exitcode '.($exit >> 8).
" from $self->{_exim_path} -bS");
return (DECLINED, 'Internal error enqueuing mail');
@ -135,5 +148,4 @@ sub hook_queue {
1;
# vi: ts=4 sw=4 expandtab syn=perl
# vi: ts=4 sw=4 expandtab syn=perl: