Merge patches from SMEServer (thanks Filippo!)

Changes

@@ -1,4 +1,12 @@
 
+  Temporary deny if clamd is not running
+
+  Modify plugins/virus/clamav option for ClamAV 0.95 (no-summary)
+
+  Fix spamassassin plugin log noise if spam score is 0.0
+
+  Disconnect host in rhsbl (Charlie Brady)
+
   POD cleanups (Steve Kemp)
 
   check_spamhelo disconnects after denying a 'helo' (Filippo Carletti)

plugins/rhsbl

@@ -1,5 +1,15 @@
 #!perl -w
 
+sub register {
+  my ($self, $qp, $denial ) = @_;
+  if ( defined $denial and $denial =~ /^disconnect$/i ) {
+    $self->{_rhsbl}->{DENY} = DENY_DISCONNECT;
+  }
+  else {
+    $self->{_rhsbl}->{DENY} = DENY;
+  }
+
+}
 
 sub hook_mail {
   my ($self, $transaction, $sender, %param) = @_;
@@ -49,12 +59,12 @@ sub hook_rcpt {
   my $result = $self->process_sockets;
   if ($result && defined($self->{_rhsbl_zones_map}{$result})) {
     if ($result =~ /^$host\./ ) {
-      return (DENY, "Mail from $host rejected because it " . $self->{_rhsbl_zones_map}{$result});
+      return ($self->{_rhsbl}->{DENY}, "Mail from $host rejected because it " . $self->{_rhsbl_zones_map}{$result});
     } else {
-      return (DENY, "Mail from HELO $hello rejected because it " . $self->{_rhsbl_zones_map}{$result});
+      return ($self->{_rhsbl}->{DENY}, "Mail from HELO $hello rejected because it " . $self->{_rhsbl_zones_map}{$result});
     }
   }
-  return (DENY, $result) if $result;
+  return ($self->{_rhsbl}->{DENY}, $result) if $result;
   return DECLINED;
 }
 

plugins/spamassassin

@@ -188,7 +188,7 @@ sub hook_data_post { # check_spam
     }
 
   }
-  my $tests = <SPAMD>;
+  my $tests = <SPAMD>|| '';
   close SPAMD;
   $tests =~ s/\015//;  # hack for outlook
   $flag = $flag eq 'True' ? 'Yes' : 'No';

plugins/virus/clamav

@@ -139,6 +139,9 @@ sub register {
     elsif (/back_compat/) {
 	$self->{_back_compat} = '-i --max-recursion=50';
     }
+    elsif (/declined_on_fail/) {
+       $self->{_declined_on_fail} = 1;
+    }
     else {
         $self->log(LOGERROR, "Unrecognized argument '$_' to clamav plugin");
         return undef;
@@ -149,6 +152,7 @@ sub register {
   $self->{_spool_dir} ||= $self->spool_dir();
   $self->{_back_compat} ||= ''; # make sure something is set
   $self->{_clamd_conf} ||= '/etc/clamd/conf'; # make sure something is set
+  $self->{_declined_on_fail} ||= 0; # decline the message on clamav failure
 
   unless ($self->{_spool_dir}) {
         $self->log(LOGERROR, "No spool dir configuration found");
@@ -187,7 +191,7 @@ sub hook_data_post {
     . " --stdout "
     . $self->{_back_compat}
     . " --config-file=" . $self->{_clamd_conf}
-    . " --disable-summary $filename 2>&1";
+    . " --no-summary $filename 2>&1";
   $self->log(LOGDEBUG, "Running: $cmd");
   my $output = `$cmd`;
 
@@ -202,6 +206,7 @@ sub hook_data_post {
 
   if ($signal) {
     $self->log(LOGINFO, "clamscan exited with signal: $signal");
+    return (DENYSOFT) if (!$self->{_declined_on_fail});
     return (DECLINED);
   }
   if ($result == 1) {
@@ -215,6 +220,11 @@ sub hook_data_post {
   }
   elsif ($result) {
     $self->log(LOGERROR, "ClamAV error: $cmd: $result\n");
+    return (DENYSOFT) if (!$self->{_declined_on_fail});
+  }
+  else {
+    $transaction->header->add( 'X-Virus-Checked',
+        "Checked by ClamAV on " . $self->qp->config("me") );
   }
   return (DECLINED);
 }