2 # $Id: spamscan.in,v 1.2 2004/01/13 19:01:13 cjwatson Exp $
6 # Performs SpamAssassin checks on a message before allowing it through to
7 # the main incoming queue.
9 # Uses up: incoming/S<code><bugnum>.nn
10 # Temps: incoming/R.nn
11 # Creates: incoming/I.nn
14 $config_path = '/etc/debbugs';
15 $lib_path = '/usr/lib/debbugs';
17 require "$config_path/config";
18 require "$lib_path/errorlib";
19 $ENV{PATH} = $lib_path . ':' . $ENV{PATH};
21 chdir $gSpoolDir or die "chdir spool: $!\n";
24 use Mail::SpamAssassin;
25 use Mail::SpamAssassin::NoMailAudit;
29 my $user_prefs = "$ENV{HOME}/.spamassassin/user_prefs";
32 $user_prefs_time = (stat $user_prefs)[9];
35 my $spam = Mail::SpamAssassin->new({
37 site_rules_filename => $gSpamRulesDir,
38 userprefs_filename => $user_prefs,
39 local_tests_only => ($gSpamLocalTestsOnly || 0),
40 debug => ($ENV{DEBBUGS_SPAM_DEBUG} || 0),
42 $spam->compile_now(1); # use all user preferences
49 sub header_or_empty ($$) {
50 my ($mail, $hdr) = @_;
51 my $value = $mail->get_header($hdr);
59 &filelock('incoming-spamscan');
61 if (-f 'spamscan-stop') {
62 print STDERR "spamscan-stop file created\n";
66 if ($user_prefs_time != (stat $user_prefs)[9]) {
67 # stop and wait to be re-invoked from cron
73 opendir DIR, 'incoming' or die "opendir incoming: $!";
74 while (defined($_ = readdir DIR)) {
75 push @ids, $1 if /^S(.*)/;
83 unless (rename "incoming/S$id", "incoming/R$id") {
85 die "$id already fudged once! $!\n";
91 print "[$nf] $id scanning ...\n" or die "print log: $!";
93 open MESSAGE, "< incoming/R$id" or die "open incoming/R$id: $!";
95 # Kludge to work around Received: then From_ weirdness in receive;
96 # remove when receive is fixed? We may continue to need it for
97 # reprocessing old messages.
98 $textarray[0] = <MESSAGE>;
99 if ($textarray[0] =~ /^Received:/) {
100 my $maybefrom = <MESSAGE>;
101 if ($maybefrom =~ /^From /) {
102 $textarray[1] = $textarray[0];
103 $textarray[0] = $maybefrom;
105 $textarray[1] = $maybefrom;
108 push @textarray, <MESSAGE>;
110 my $mail = Mail::SpamAssassin::NoMailAudit->new(data => \@textarray);
113 print " From: ", header_or_empty($mail, 'From'), "\n";
114 print " Subject: ", header_or_empty($mail, 'Subject'), "\n";
115 print " Message-Id: ", header_or_empty($mail, 'Message-Id'), "\n";
116 my $status = $spam->check($mail);
117 $status->rewrite_mail();
119 if ($status->is_spam()) {
120 $mail->accept($gSpamMailbox);
121 unlink "incoming/R$id" or warn "unlink incoming/R$id: $!";
122 printf " spam %.1f/%.1f\n",
123 $status->get_hits(), $status->get_required_hits()
124 or die "printf log: $!";
126 open OUT, "> incoming/I$id" or die "open incoming/I$id: $!";
127 print OUT $mail->as_string() or die "print incoming/I$id: $!";
128 close OUT or die "close incoming/I$id: $!";
129 unlink "incoming/R$id" or warn "unlink incoming/R$id: $!";
130 printf " ok %.1f/%.1f\n",
131 $status->get_hits(), $status->get_required_hits()
132 or die "printf log: $!";