added a bit of error checking
[spider.git] / perl / DXMsg.pm
index 58c548a22ac19e000bdc417d3e9091b3c351ca89..3038b75638b12308fe18bd01baafd69ff6c2de7e 100644 (file)
 
 package DXMsg;
 
-@ISA = qw(DXProt DXChannel);
-
 use DXUtil;
 use DXChannel;
 use DXUser;
 use DXM;
-use DXCluster;
 use DXProtVars;
 use DXProtout;
 use DXDebug;
@@ -29,10 +26,21 @@ use DXLog;
 use IO::File;
 use Fcntl;
 
+eval {
+       require Mail::Send;
+};
+
 use strict;
-use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean
+
+use vars qw($VERSION $BRANCH);
+$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
+$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
+$main::build += $VERSION;
+$main::branch += $BRANCH;
+
+use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean $residencetime
                        @badmsg @swop $swopfn $badmsgfn $forwardfn @forward $timeout $waittime
-                   $queueinterval $lastq $importfn $minchunk $maxchunk);
+                   $queueinterval $lastq $importfn $minchunk $maxchunk $bulltopriv);
 
 %work = ();                                            # outstanding jobs
 @msg = ();                                             # messages we have
@@ -50,6 +58,9 @@ $lastq = 0;
 
 $minchunk = 4800;               # minimum chunk size for a split message
 $maxchunk = 6000;               # maximum chunk size
+$bulltopriv = 1;                               # convert msgs with callsigns to private if they are bulls
+$residencetime = 2*86400;       # keep deleted messages for this amount of time
+
 
 $badmsgfn = "$msgdir/badmsg.pl";    # list of TO address we wont store
 $forwardfn = "$msgdir/forward.pl";  # the forwarding table
@@ -63,10 +74,10 @@ $importfn = "$msgdir/import";       # import directory
                  to => '0,To',
                  from => '0,From',
                  t => '0,Msg Time,cldatetime',
-                 private => '5,Private',
+                 private => '5,Private,yesno',
                  subject => '0,Subject',
                  linesreq => '0,Lines per Gob',
-                 rrreq => '5,Read Confirm',
+                 rrreq => '5,Read Confirm,yesno',
                  origin => '0,Origin',
                  lines => '5,Data',
                  stream => '9,Stream No',
@@ -80,15 +91,10 @@ $importfn = "$msgdir/import";       # import directory
                  keep => '0,Keep this?,yesno',
                  lastt => '5,Last processed,cldatetime',
                  waitt => '5,Wait until,cldatetime',
+                 delete => '5,Awaiting Delete,yesno',
+                 deletetime => '5,Deletion Time,cldatetime',
                 );
 
-sub DESTROY
-{
-       my $self = shift;
-       undef $self->{lines};
-       undef $self->{gotit};
-}
-
 # allocate a new object
 # called fromnode, tonode, from, to, datetime, private?, subject, nolinesper  
 sub alloc                  
@@ -108,26 +114,16 @@ sub alloc
        $self->{origin} = shift;
        $self->{'read'} = shift;
        $self->{rrreq} = shift;
+       $self->{delete} = shift;
+       $self->{deletetime} = shift;
        $self->{gotit} = [];
-       $self->{lastt} = $main::systime;
+#      $self->{lastt} = $main::systime;
+       $self->{lines} = [];
+       $self->{private} = 1 if $bulltopriv && DXUser->get_current($self->{to});
     
        return $self;
 }
 
-sub workclean
-{
-       my $ref = shift;
-       delete $ref->{lines};
-       delete $ref->{linesreq};
-       delete $ref->{tonode};
-       delete $ref->{fromnode};
-       delete $ref->{stream};
-       delete $ref->{lines};
-       delete $ref->{file};
-       delete $ref->{count};
-       delete $ref->{lastt} if exists $ref->{lastt};
-       delete $ref->{waitt} if exists $ref->{waitt};
-}
 
 sub process
 {
@@ -138,19 +134,6 @@ sub process
 
                if ($main::systime >= $lastq + $queueinterval) {
 
-                       # wander down the work queue stopping any messages that have timed out
-                       for (keys %busy) {
-                               my $node = $_;
-                               my $ref = $busy{$_};
-                               if (exists $ref->{lastt} && $main::systime >= $ref->{lastt} + $timeout) {
-                                       dbg('msg', "Timeout, stopping msgno: $ref->{msgno} -> $node");
-                                       $ref->stop_msg($node);
-                                       
-                                       # delay any outgoing messages that fail
-                                       $ref->{waitt} = $main::systime + $waittime + rand(120) if $node ne $main::mycall;
-                               }
-                       }
-
                        # queue some message if the interval timer has gone off
                        queue_msg(0);
 
@@ -162,110 +145,133 @@ sub process
 
                # clean the message queue
                clean_old() if $main::systime - $last_clean > 3600 ;
+               $last_clean = $main::systime;
                return;
        }
 
        my @f = split /\^/, $line;
        my ($pcno) = $f[0] =~ /^PC(\d\d)/; # just get the number
+       my ($tonode, $fromnode) = @f[1, 2];
+       my $stream = $f[3] if ($pcno >= 29 && $pcno <= 33) || $pcno == 42;
 
  SWITCH: {
                if ($pcno == 28) {              # incoming message
 
+                       # sort out various extant protocol errors that occur
+                       my $origin = $f[13];
+                       $origin = $self->call unless $origin && $origin gt ' ';
+
                        # first look for any messages in the busy queue 
                        # and cancel them this should both resolve timed out incoming messages
                        # and crossing of message between nodes, incoming messages have priority
-                       if (exists $busy{$f[2]}) {
-                               my $ref = $busy{$f[2]};
-                               my $tonode = $ref->{tonode};
-                               dbg('msg', "Busy, stopping msgno: $ref->{msgno} -> $f[2]");
-                               $ref->stop_msg($self->call);
+
+                       my $ref = get_busy($fromnode);
+                       if ($ref) {
+                               my $otonode = $ref->{tonode} || "unknown";
+                               dbg("Busy, stopping msgno: $ref->{msgno} $fromnode->$otonode") if isdbg('msg');
+                               $ref->stop_msg($fromnode);
                        }
 
                        my $t = cltounix($f[5], $f[6]);
-                       my $stream = next_transno($f[2]);
-                       $f[13] = $self->call unless $f[13] && $f[13] gt ' ';
-                       my $ref = DXMsg->alloc($stream, uc $f[3], $f[4], $t, $f[7], $f[8], $f[13], '0', $f[11]);
+                       $stream = next_transno($fromnode);
+                       $ref = DXMsg->alloc($stream, uc $f[3], $f[4], $t, $f[7], $f[8], $origin, '0', $f[11]);
                        
                        # fill in various forwarding state variables
-                       $ref->{fromnode} = $f[2];
-                       $ref->{tonode} = $f[1];
+                       $ref->{fromnode} = $fromnode;
+                       $ref->{tonode} = $tonode;
                        $ref->{rrreq} = $f[11];
                        $ref->{linesreq} = $f[10];
                        $ref->{stream} = $stream;
                        $ref->{count} = 0;      # no of lines between PC31s
-                       dbg('msg', "new message from $f[4] to $f[3] '$f[8]' stream $stream\n");
-                       Log('msg', "Incoming message $f[4] to $f[3] '$f[8]'" );
-                       $work{"$f[2]$stream"} = $ref; # store in work
-                       $busy{$f[2]} = $ref; # set interlock
-                       $self->send(DXProt::pc30($f[2], $f[1], $stream)); # send ack
+                       dbg("new message from $f[4] to $f[3] '$f[8]' stream $fromnode/$stream\n") if isdbg('msg');
+                       Log('msg', "Incoming message $f[4] to $f[3] '$f[8]' origin: $origin" );
+                       set_fwq($fromnode, $stream, $ref); # store in work
+                       set_busy($fromnode, $ref); # set interlock
+                       $self->send(DXProt::pc30($fromnode, $tonode, $stream)); # send ack
                        $ref->{lastt} = $main::systime;
 
                        # look to see whether this is a non private message sent to a known callsign
                        my $uref = DXUser->get_current($ref->{to});
-                       if (iscallsign($ref->{to}) && !$ref->{private} && $uref && $uref->homenode) {
+                       if (is_callsign($ref->{to}) && !$ref->{private} && $uref && $uref->homenode) {
                                $ref->{private} = 1;
-                               dbg('msg', "set bull to $ref->{to} to private");
+                               dbg("set bull to $ref->{to} to private") if isdbg('msg');
+                               Log('msg', "set bull to $ref->{to} to private");
                        }
                        last SWITCH;
                }
                
                if ($pcno == 29) {              # incoming text
-                       my $ref = $work{"$f[2]$f[3]"};
+                       my $ref = get_fwq($fromnode, $stream);
                        if ($ref) {
-                               push @{$ref->{lines}}, $f[4];
+                               $f[4] =~ s/\%5E/^/g;
+                               if (@{$ref->{lines}}) {
+                                       push @{$ref->{lines}}, $f[4];
+                               } else {
+                                       # temporarily store any R: lines so that we end up with 
+                                       # only the first and last ones stored.
+                                       if ($f[4] =~ m|^R:\d{6}/\d{4}|) {
+                                               push @{$ref->{tempr}}, $f[4];
+                                       } else {
+                                               if (exists $ref->{tempr}) {
+                                                       push @{$ref->{lines}}, shift @{$ref->{tempr}};
+                                                       push @{$ref->{lines}}, pop @{$ref->{tempr}} if @{$ref->{tempr}};
+                                                       delete $ref->{tempr};
+                                               }
+                                               push @{$ref->{lines}}, $f[4];
+                                       } 
+                               }
                                $ref->{count}++;
                                if ($ref->{count} >= $ref->{linesreq}) {
-                                       $self->send(DXProt::pc31($f[2], $f[1], $f[3]));
-                                       dbg('msg', "stream $f[3]: $ref->{count} lines received\n");
+                                       $self->send(DXProt::pc31($fromnode, $tonode, $stream));
+                                       dbg("stream $stream: $ref->{count} lines received\n") if isdbg('msg');
                                        $ref->{count} = 0;
                                }
                                $ref->{lastt} = $main::systime;
                        } else {
-                               dbg('msg', "PC29 from unknown stream $f[3] from $f[2]" );
-                               $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
+                               dbg("PC29 from unknown stream $stream from $fromnode") if isdbg('msg');
+                               $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
                        }
                        last SWITCH;
                }
                
                if ($pcno == 30) {              # this is a incoming subject ack
-                       my $ref = $work{$f[2]}; # note no stream at this stage
+                       my $ref = get_fwq($fromnode);   # note no stream at this stage
                        if ($ref) {
-                               delete $work{$f[2]};
-                               $ref->{stream} = $f[3];
+                               del_fwq($fromnode);
+                               $ref->{stream} = $stream;
                                $ref->{count} = 0;
                                $ref->{linesreq} = 5;
-                               $work{"$f[2]$f[3]"} = $ref;     # new ref
-                               dbg('msg', "incoming subject ack stream $f[3]\n");
-                               $busy{$f[2]} = $ref; # interlock
-                               $ref->{lines} = [];
-                               push @{$ref->{lines}}, ($ref->read_msg_body);
+                               set_fwq($fromnode, $stream, $ref);      # new ref
+                               set_busy($fromnode, $ref); # interlock
+                               dbg("incoming subject ack stream $stream\n") if isdbg('msg');
+                               $ref->{lines} = [ $ref->read_msg_body ];
                                $ref->send_tranche($self);
                                $ref->{lastt} = $main::systime;
                        } else {
-                               dbg('msg', "PC30 from unknown stream $f[3] from $f[2]" );
-                               $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
+                               dbg("PC30 from unknown stream $stream from $fromnode") if isdbg('msg');
+                               $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
                        } 
                        last SWITCH;
                }
                
                if ($pcno == 31) {              # acknowledge a tranche of lines
-                       my $ref = $work{"$f[2]$f[3]"};
+                       my $ref = get_fwq($fromnode, $stream);
                        if ($ref) {
-                               dbg('msg', "tranche ack stream $f[3]\n");
+                               dbg("tranche ack stream $stream\n") if isdbg('msg');
                                $ref->send_tranche($self);
                                $ref->{lastt} = $main::systime;
                        } else {
-                               dbg('msg', "PC31 from unknown stream $f[3] from $f[2]" );
-                               $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
+                               dbg("PC31 from unknown stream $stream from $fromnode") if isdbg('msg');
+                               $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
                        } 
                        last SWITCH;
                }
                
                if ($pcno == 32) {              # incoming EOM
-                       dbg('msg', "stream $f[3]: EOM received\n");
-                       my $ref = $work{"$f[2]$f[3]"};
+                       dbg("stream $stream: EOM received\n") if isdbg('msg');
+                       my $ref = get_fwq($fromnode, $stream);
                        if ($ref) {
-                               $self->send(DXProt::pc33($f[2], $f[1], $f[3])); # acknowledge it
+                               $self->send(DXProt::pc33($fromnode, $tonode, $stream)); # acknowledge it
                                
                                # get the next msg no - note that this has NOTHING to do with the stream number in PC protocol
                                # store the file or message
@@ -280,11 +286,11 @@ sub process
                                                # does an identical message already exist?
                                                my $m;
                                                for $m (@msg) {
-                                                       if ($ref->{subject} eq $m->{subject} && $ref->{t} == $m->{t} && $ref->{from} eq $m->{from} && $ref->{to} eq $m->{to}) {
-                                                               $ref->stop_msg($self->call);
+                                                       if (substr($ref->{subject},0,28) eq substr($m->{subject},0,28) && $ref->{t} == $m->{t} && $ref->{from} eq $m->{from} && $ref->{to} eq $m->{to}) {
+                                                               $ref->stop_msg($fromnode);
                                                                my $msgno = $m->{msgno};
-                                                               dbg('msg', "duplicate message from $ref->{from} -> $ref->{to} to $msgno");
-                                                               Log('msg', "duplicate message from $ref->{from} -> $ref->{to} to $msgno");
+                                                               dbg("duplicate message from $ref->{from} -> $ref->{to} to msg: $msgno") if isdbg('msg');
+                                                               Log('msg', "duplicate message from $ref->{from} -> $ref->{to} to msg: $msgno");
                                                                return;
                                                        }
                                                }
@@ -293,47 +299,62 @@ sub process
                                                $ref->swop_it($self->call);
                                                
                                                # look for 'bad' to addresses 
-#                                              if (grep $ref->{to} eq $_, @badmsg) {
                                                if ($ref->dump_it($self->call)) {
-                                                       $ref->stop_msg($self->call);
-                                                       dbg('msg', "'Bad' message $ref->{to}");
+                                                       $ref->stop_msg($fromnode);
+                                                       dbg("'Bad' message $ref->{to}") if isdbg('msg');
                                                        Log('msg', "'Bad' message $ref->{to}");
                                                        return;
                                                }
 
+                                               # check the message for bad words 
+                                               my @words;
+                                               for (@{$ref->{lines}}) {
+                                                       push @words, BadWords::check($_);
+                                               }
+                                               push @words, BadWords::check($ref->{subject});
+                                               if (@words) {
+                                                       dbg("$ref->{from} swore: '@words' -> $ref->{to} '$ref->{subject}' origin: $ref->{origin} via " . $self->call) if isdbg('msg');
+                                                       Log('msg',"$ref->{from} swore: '@words' -> $ref->{to} origin: $ref->{origin} via " . $self->call);
+                                                       Log('msg',"subject: $ref->{subject}");
+                                                       for (@{$ref->{lines}}) {
+                                                               Log('msg', "line: $_");
+                                                       }
+                                                       $ref->stop_msg($fromnode);
+                                                       return;
+                                               }
+                                                       
                                                $ref->{msgno} = next_transno("Msgno");
-                                               push @{$ref->{gotit}}, $f[2]; # mark this up as being received
+                                               push @{$ref->{gotit}}, $fromnode; # mark this up as being received
                                                $ref->store($ref->{lines});
+                                               $ref->notify;
                                                add_dir($ref);
-                                               my $dxchan = DXChannel->get($ref->{to});
-                                               $dxchan->send($dxchan->msg('m9')) if $dxchan && $dxchan->is_user;
-                                               Log('msg', "Message $ref->{msgno} from $ref->{from} received from $f[2] for $ref->{to}");
+                                               Log('msg', "Message $ref->{msgno} from $ref->{from} received from $fromnode for $ref->{to}");
                                        }
                                }
-                               $ref->stop_msg($self->call);
+                               $ref->stop_msg($fromnode);
                        } else {
-                               dbg('msg', "PC32 from unknown stream $f[3] from $f[2]" );
-                               $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
+                               dbg("PC32 from unknown stream $stream from $fromnode") if isdbg('msg');
+                               $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
                        }
                        # queue_msg(0);
                        last SWITCH;
                }
                
                if ($pcno == 33) {              # acknowledge the end of message
-                       my $ref = $work{"$f[2]$f[3]"};
+                       my $ref = get_fwq($fromnode, $stream);
                        if ($ref) {
                                if ($ref->{private}) { # remove it if it private and gone off site#
-                                       Log('msg', "Message $ref->{msgno} from $ref->{from} sent to $f[2] and deleted");
-                                       $ref->del_msg;
+                                       Log('msg', "Message $ref->{msgno} from $ref->{from} sent to $fromnode and deleted");
+                                       $ref->mark_delete;
                                } else {
-                                       Log('msg', "Message $ref->{msgno} from $ref->{from} sent to $f[2]");
-                                       push @{$ref->{gotit}}, $f[2]; # mark this up as being received
+                                       Log('msg', "Message $ref->{msgno} from $ref->{from} sent to $fromnode");
+                                       push @{$ref->{gotit}}, $fromnode; # mark this up as being received
                                        $ref->store($ref->{lines});     # re- store the file
                                }
-                               $ref->stop_msg($self->call);
+                               $ref->stop_msg($fromnode);
                        } else {
-                               dbg('msg', "PC33 from unknown stream $f[3] from $f[2]" );
-                               $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
+                               dbg("PC33 from unknown stream $stream from $fromnode") if isdbg('msg');
+                               $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
                        } 
 
                        # send next one if present
@@ -346,7 +367,7 @@ sub process
                        $f[3] =~ s/\.//og;      # remove dots
                        $f[3] =~ s/^\///o;   # remove the leading /
                        $f[3] = lc $f[3];       # to lower case;
-                       dbg('msg', "incoming file $f[3]\n");
+                       dbg("incoming file $f[3]\n") if isdbg('msg');
                        $f[3] = 'packclus/' . $f[3] unless $f[3] =~ /^packclus\//o;
                        
                        # create any directories
@@ -358,30 +379,30 @@ sub process
                                $fn .= "/$part";
                                next if -e $fn;
                                last SWITCH if !mkdir $fn, 0777;
-                               dbg('msg', "created directory $fn\n");
+                               dbg("created directory $fn\n") if isdbg('msg');
                        }
-                       my $stream = next_transno($f[2]);
+                       my $stream = next_transno($fromnode);
                        my $ref = DXMsg->alloc($stream, "$main::root/$f[3]", $self->call, time, !$f[4], $f[3], ' ', '0', '0');
                        
                        # forwarding variables
-                       $ref->{fromnode} = $f[1];
-                       $ref->{tonode} = $f[2];
+                       $ref->{fromnode} = $tonode;
+                       $ref->{tonode} = $fromnode;
                        $ref->{linesreq} = $f[5];
                        $ref->{stream} = $stream;
                        $ref->{count} = 0;      # no of lines between PC31s
                        $ref->{file} = 1;
                        $ref->{lastt} = $main::systime;
-                       $work{"$f[2]$stream"} = $ref; # store in work
-                       $self->send(DXProt::pc30($f[2], $f[1], $stream)); # send ack 
+                       set_fwq($fromnode, $stream, $ref); # store in work
+                       $self->send(DXProt::pc30($fromnode, $tonode, $stream)); # send ack 
                        
                        last SWITCH;
                }
                
                if ($pcno == 42) {              # abort transfer
-                       dbg('msg', "stream $f[3]: abort received\n");
-                       my $ref = $work{"$f[2]$f[3]"};
+                       dbg("stream $stream: abort received\n") if isdbg('msg');
+                       my $ref = get_fwq($fromnode, $stream);
                        if ($ref) {
-                               $ref->stop_msg($self->call);
+                               $ref->stop_msg($fromnode);
                                $ref = undef;
                        }
                        last SWITCH;
@@ -390,9 +411,9 @@ sub process
                if ($pcno == 49) {      # global delete on subject
                        for (@msg) {
                                if ($_->{from} eq $f[1] && $_->{subject} eq $f[2]) {
-                                       $_->del_msg();
+                                       $_->mark_delete;
                                        Log('msg', "Message $_->{msgno} from $_->{from} ($_->{subject}) fully deleted");
-                                       DXProt::broadcast_ak1a($line, $self);
+                                       DXChannel::broadcast_nodes($line, $self);
                                }
                        }
                }
@@ -400,6 +421,34 @@ sub process
 }
 
 
+sub notify
+{
+       my $ref = shift;
+       my $to = $ref->{to};
+       my $uref = DXUser->get($to);
+       my $dxchan = DXChannel->get($to);
+       if (*Mail::Send && $uref && $uref->wantemail) {
+               my $email = $uref->email;
+               if ($email) {
+                       my @list = ref $email ? @{$email} : $email;
+                       my $msg = new Mail::Send Subject=>"[DXSpider: $ref->{from}] $ref->{subject}";
+                       $msg->to(@list);
+                       my $fh = $msg->open;
+                       if ($fh) {
+                               print $fh "From: $ref->{from} To: $to On Node: $main::mycall Origin: $ref->{origin} Msgno: $ref->{msgno}\r\n\r\n";
+                               print $fh map {"$_\r\n"} $ref->read_msg_body;
+                               $fh->close;
+                               for (@list) {
+                                       Log('msg', "Msgno $ref->{msgno} from $ref->{from} emailed to $_");
+                               }
+                       } else {
+                               dbg("email forwarding error $!") if isdbg('msg'); 
+                       }
+               }
+       }
+       $dxchan->send($dxchan->msg('m9')) if $dxchan && $dxchan->is_user;
+}
+
 # store a message away on disc or whatever
 #
 # NOTE the second arg is a REFERENCE not a list
@@ -407,14 +456,9 @@ sub store
 {
        my $ref = shift;
        my $lines = shift;
-       
-       # we only proceed if there are actually any lines in the file
-#      if (!$lines || @{$lines} == 0) {
-#              return;
-#      }
-       
+
        if ($ref->{file}) {                     # a file
-               dbg('msg', "To be stored in $ref->{to}\n");
+               dbg("To be stored in $ref->{to}\n") if isdbg('msg');
                
                my $fh = new IO::File "$ref->{to}", "w";
                if (defined $fh) {
@@ -423,7 +467,7 @@ sub store
                                print $fh "$line\n";
                        }
                        $fh->close;
-                       dbg('msg', "file $ref->{to} stored\n");
+                       dbg("file $ref->{to} stored\n") if isdbg('msg');
                        Log('msg', "file $ref->{to} from $ref->{from} stored" );
                } else {
                        confess "can't open file $ref->{to} $!";  
@@ -433,14 +477,16 @@ sub store
                # attempt to open the message file
                my $fn = filename($ref->{msgno});
                
-               dbg('msg', "To be stored in $fn\n");
+               dbg("To be stored in $fn\n") if isdbg('msg');
                
                # now save the file, overwriting what's there, YES I KNOW OK! (I will change it if it's a problem)
                my $fh = new IO::File "$fn", "w";
                if (defined $fh) {
                        my $rr = $ref->{rrreq} ? '1' : '0';
                        my $priv = $ref->{private} ? '1': '0';
-                       print $fh "=== $ref->{msgno}^$ref->{to}^$ref->{from}^$ref->{t}^$priv^$ref->{subject}^$ref->{origin}^$ref->{'read'}^$rr\n";
+                       my $del = $ref->{delete} ? '1' : '0';
+                       my $delt = $ref->{deletetime} || '0';
+                       print $fh "=== $ref->{msgno}^$ref->{to}^$ref->{from}^$ref->{t}^$priv^$ref->{subject}^$ref->{origin}^$ref->{'read'}^$rr^$del^$delt\n";
                        print $fh "=== ", join('^', @{$ref->{gotit}}), "\n";
                        my $line;
                        $ref->{size} = 0;
@@ -449,7 +495,7 @@ sub store
                                print $fh "$line\n";
                        }
                        $fh->close;
-                       dbg('msg', "msg $ref->{msgno} stored\n");
+                       dbg("msg $ref->{msgno} stored\n") if isdbg('msg');
                        Log('msg', "msg $ref->{msgno} from $ref->{from} to $ref->{to} stored" );
                } else {
                        confess "can't open msg file $fn $!";  
@@ -461,17 +507,33 @@ sub store
 sub del_msg
 {
        my $self = shift;
+       my $dxchan = shift;
        
-       # remove it from the active message list
-       @msg = map { $_ != $self ? $_ : () } @msg;
-       
-       # belt and braces (one day I will ask someone if this is REALLY necessary)
-       delete $self->{gotit};
-       delete $self->{list};
+       if ($self->{tonode}) {
+               $self->{delete}++;
+               $self->{deletetime} = 0;
+       } else {
+               # remove it from the active message list
+               @msg = grep { $_ != $self } @msg;
+
+               my $call = '';
+               $call = ' by ' . $dxchan->call if $dxchan;
+               Log('msg', "Msgno $self->{msgno} expunged$call");
+               
+               # remove the file
+               unlink filename($self->{msgno});
+       }
+}
+
+sub mark_delete
+{
+       my $ref = shift;
+       my $t = shift;
+       $t = $main::systime + $residencetime unless defined $t;
        
-       # remove the file
-       unlink filename($self->{msgno});
-       dbg('msg', "deleting $self->{msgno}\n");
+       $ref->{delete}++;
+       $ref->{deletetime} = $t;
+       $ref->store( [$ref->read_msg_body] );
 }
 
 # clean out old messages from the message queue
@@ -481,18 +543,13 @@ sub clean_old
        
        # mark old messages for deletion
        foreach $ref (@msg) {
-               if (!$ref->{keep} && $ref->{t} < $main::systime - $maxage) {
-                       $ref->{deleteme} = 1;
-                       delete $ref->{gotit};
-                       delete $ref->{list};
-                       unlink filename($ref->{msgno});
-                       dbg('msg', "deleting old $ref->{msgno}\n");
+               if (ref($ref) && !$ref->{keep} && $ref->{t} < $main::systime - $maxage) {
+
+                       # this is for IMMEDIATE destruction
+                       $ref->{delete}++;
+                       $ref->{deletetime} = 0;
                }
        }
-       
-       # remove them all from the active message list
-       @msg = map { $_->{deleteme} ? () : $_ } @msg;
-       $last_clean = $main::systime;
 }
 
 # read in a message header
@@ -507,21 +564,21 @@ sub read_msg_header
        
        $file = new IO::File "$fn";
        if (!$file) {
-           dbg('err', "Error reading $fn $!");
+           dbg("Error reading $fn $!");
            Log('err', "Error reading $fn $!");
                return undef;
        }
        $size = -s $fn;
        $line = <$file>;                        # first line
        if ($size == 0 || !$line) {
-           dbg('err', "Empty $fn $!");
+           dbg("Empty $fn $!");
            Log('err', "Empty $fn $!");
                return undef;
        }
        chomp $line;
        $size -= length $line;
        if (! $line =~ /^===/o) {
-               dbg('err', "corrupt first line in $fn ($line)");
+               dbg("corrupt first line in $fn ($line)");
                Log('err', "corrupt first line in $fn ($line)");
                return undef;
        }
@@ -533,7 +590,7 @@ sub read_msg_header
        chomp $line;
        $size -= length $line;
        if (! $line =~ /^===/o) {
-           dbg('err', "corrupt second line in $fn ($line)");
+           dbg("corrupt second line in $fn ($line)");
            Log('err', "corrupt second line in $fn ($line)");
                return undef;
        }
@@ -560,9 +617,9 @@ sub read_msg_body
        
        $file = new IO::File;
        if (!open($file, $fn)) {
-               dbg('err' ,"Error reading $fn $!");
+               dbg("Error reading $fn $!");
                Log('err' ,"Error reading $fn $!");
-               return undef;
+               return ();
        }
        @out = map {chomp; $_} <$file>;
        close($file);
@@ -597,18 +654,15 @@ sub send_tranche
 sub queue_msg
 {
        my $sort = shift;
-       my $call = shift;
        my $ref;
        my $clref;
        
        # bat down the message list looking for one that needs to go off site and whose
        # nearest node is not busy.
 
-       dbg('msg', "queue msg ($sort)\n");
+       dbg("queue msg ($sort)\n") if isdbg('msg');
        my @nodelist = DXChannel::get_all_nodes;
        foreach $ref (@msg) {
-               # firstly, is it private and unread? if so can I find the recipient
-               # in my cluster node list offsite?
 
                # ignore 'delayed' messages until their waiting time has expired
                if (exists $ref->{waitt}) {
@@ -616,37 +670,70 @@ sub queue_msg
                        delete $ref->{waitt};
                } 
 
+               # any time outs?
+               if (exists $ref->{lastt} && $main::systime >= $ref->{lastt} + $timeout) {
+                       my $node = $ref->{tonode};
+                       dbg("Timeout, stopping msgno: $ref->{msgno} -> $node") if isdbg('msg');
+                       Log('msg', "Timeout, stopping msgno: $ref->{msgno} -> $node");
+                       $ref->stop_msg($node);
+                       
+                       # delay any outgoing messages that fail
+                       $ref->{waitt} = $main::systime + $waittime + rand(120) if $node ne $main::mycall;
+                       delete $ref->{lastt};
+                       next;
+               }
+
+               # is it being sent anywhere currently?
+               next if $ref->{tonode};           # ignore it if it already being processed
+               
+               # is it awaiting deletion?
+               if ($ref->{delete} && $main::systime >= $ref->{deletetime}) {
+                       $ref->del_msg;
+                       next;
+               }
+               next if $ref->{delete};
+               
+               # firstly, is it private and unread? if so can I find the recipient
+               # in my cluster node list offsite?
+
                # deal with routed private messages
-               my $noderef;
+               my $dxchan;
                if ($ref->{private}) {
                        next if $ref->{'read'};           # if it is read, it is stuck here
-                       $clref = DXCluster->get_exact($ref->{to});
-                       unless ($clref) {             # otherwise look for a homenode
-                               my $uref = DXUser->get_current($ref->{to});
-                               my $hnode =  $uref->homenode if $uref;
-                               $clref = DXCluster->get_exact($hnode) if $hnode;
+                       $clref = Route::get($ref->{to});
+                       if ($clref) {
+                               $dxchan = $clref->dxchan;
+                               if ($dxchan) {
+                                       if ($dxchan->is_node) {
+                                               next if $clref->call eq $main::mycall;  # i.e. it lives here
+                                               $ref->start_msg($dxchan) if !get_busy($dxchan->call)  && $dxchan->state eq 'normal';
+                                       }
+                               } else {
+                                       dbg("Route: No dxchan for $ref->{to} " . ref($clref) ) if isdbg('msg');
+                               }
                        }
-                       if ($clref && !grep { $clref->{dxchan} == $_ } DXCommandmode::get_all()) {
-                               next if $clref->call eq $main::mycall;  # i.e. it lives here
-                               $noderef = $clref->{dxchan};
-                               $ref->start_msg($noderef) if !get_busy($noderef->call)  && $noderef->state eq 'normal';
+               } else {
+                       
+                       # otherwise we are dealing with a bulletin or forwarded private message
+                       # compare the gotit list with
+                       # the nodelist up above, if there are sites that haven't got it yet
+                       # then start sending it - what happens when we get loops is anyone's
+                       # guess, use (to, from, time, subject) tuple?
+                       foreach $dxchan (@nodelist) {
+                               my $call = $dxchan->call;
+                               next unless $call;
+                               next if $call eq $main::mycall;
+                               next if ref $ref->{gotit} && grep $_ eq $call, @{$ref->{gotit}};
+                               next unless $ref->forward_it($call);           # check the forwarding file
+                               next if $ref->{tonode};           # ignore it if it already being processed
+                               
+                               # if we are here we have a node that doesn't have this message
+                               if (!get_busy($call)  && $dxchan->state eq 'normal') {
+                                       $ref->start_msg($dxchan);
+                                       last;
+                               }
                        }
                }
-               
-               # otherwise we are dealing with a bulletin or forwarded private message
-               # compare the gotit list with
-               # the nodelist up above, if there are sites that haven't got it yet
-               # then start sending it - what happens when we get loops is anyone's
-               # guess, use (to, from, time, subject) tuple?
-               foreach $noderef (@nodelist) {
-                       next if $noderef->call eq $main::mycall;
-                       next if grep { $_ eq $noderef->call } @{$ref->{gotit}};
-                       next unless $ref->forward_it($noderef->call);           # check the forwarding file
-
-                       # if we are here we have a node that doesn't have this message
-                       $ref->start_msg($noderef) if !get_busy($noderef->call)  && $noderef->state eq 'normal';
-                       last;
-               }
 
                # if all the available nodes are busy then stop
                last if @nodelist == scalar grep { get_busy($_->call) } @nodelist;
@@ -673,15 +760,19 @@ sub start_msg
 {
        my ($self, $dxchan) = @_;
        
-       dbg('msg', "start msg $self->{msgno}\n");
-       $self->{linesreq} = 5;
+       confess("trying to start started msg $self->{msgno} nodes: $self->{fromnode} -> $self->{tonode}") if $self->{tonode};
+       dbg("start msg $self->{msgno}\n") if isdbg('msg');
+       $self->{linesreq} = 10;
        $self->{count} = 0;
        $self->{tonode} = $dxchan->call;
        $self->{fromnode} = $main::mycall;
-       $busy{$self->{tonode}} = $self;
-       $work{$self->{tonode}} = $self;
+       set_busy($self->{tonode}, $self);
+       set_fwq($self->{tonode}, undef, $self);
        $self->{lastt} = $main::systime;
-       $dxchan->send(DXProt::pc28($self->{tonode}, $self->{fromnode}, $self->{to}, $self->{from}, $self->{t}, $self->{private}, $self->{subject}, $self->{origin}, $self->{rrreq}));
+       my ($fromnode, $origin);
+       $fromnode = $self->{fromnode};
+       $origin = $self->{origin};
+       $dxchan->send(DXProt::pc28($self->{tonode}, $fromnode, $self->{to}, $self->{from}, $self->{t}, $self->{private}, $self->{subject}, $origin, $self->{rrreq}));
 }
 
 # get the ref of a busy node
@@ -691,16 +782,52 @@ sub get_busy
        return $busy{$call};
 }
 
-# get the busy queue
+sub set_busy
+{
+       my $call = shift;
+       return $busy{$call} = shift;
+}
+
+sub del_busy
+{
+       my $call = shift;
+       return delete $busy{$call};
+}
+
+# get the whole busy queue
 sub get_all_busy
 {
-       return values %busy;
+       return keys %busy;
 }
 
-# get the forwarding queue
+# get a forwarding queue entry
 sub get_fwq
 {
-       return values %work;
+       my $call = shift;
+       my $stream = shift || '0';
+       return $work{"$call,$stream"};
+}
+
+# delete a forwarding queue entry
+sub del_fwq
+{
+       my $call = shift;
+       my $stream = shift || '0';
+       return delete $work{"$call,$stream"};
+}
+
+# set a fwq entry
+sub set_fwq
+{
+       my $call = shift;
+       my $stream = shift || '0';
+       return $work{"$call,$stream"} = shift;
+}
+
+# get the whole forwarding queue
+sub get_all_fwq
+{
+       return keys %work;
 }
 
 # stop a message from continuing, clean it out, unlock interlocks etc
@@ -708,14 +835,28 @@ sub stop_msg
 {
        my $self = shift;
        my $node = shift;
-       my $stream = $self->{stream} if exists $self->{stream};
+       my $stream = $self->{stream};
        
        
-       dbg('msg', "stop msg $self->{msgno} -> node $node\n");
-       delete $work{$node};
-       delete $work{"$node$stream"} if $stream;
+       dbg("stop msg $self->{msgno} -> node $node\n") if isdbg('msg');
+       del_fwq($node, $stream);
        $self->workclean;
-       delete $busy{$node};
+       del_busy($node);
+}
+
+sub workclean
+{
+       my $ref = shift;
+       delete $ref->{lines};
+       delete $ref->{linesreq};
+       delete $ref->{tonode};
+       delete $ref->{fromnode};
+       delete $ref->{stream};
+       delete $ref->{file};
+       delete $ref->{count};
+       delete $ref->{tempr};
+       delete $ref->{lastt};
+       delete $ref->{waitt};
 }
 
 # get a new transaction number from the file specified
@@ -729,12 +870,12 @@ sub next_transno
        my $fh = new IO::File;
        if (sysopen($fh, $fn, O_RDWR|O_CREAT, 0666)) {
                $fh->autoflush(1);
-               $msgno = $fh->getline;
+               $msgno = $fh->getline || '0';
                chomp $msgno;
                $msgno++;
                seek $fh, 0, 0;
                $fh->print("$msgno\n");
-               dbg('msg', "msgno $msgno allocated for $name\n");
+               dbg("msgno $msgno allocated for $name\n") if isdbg('msg');
                $fh->close;
        } else {
                confess "can't open $fn $!";
@@ -750,9 +891,9 @@ sub init
        my $ref;
                
        # load various control files
-       dbg('err', "load badmsg: " . (load_badmsg() or "Ok"));
-       dbg('err', "load forward: " . (load_forward() or "Ok"));
-       dbg('err', "load swop: " . (load_swop() or "Ok"));
+       dbg("load badmsg: " . (load_badmsg() or "Ok"));
+       dbg("load forward: " . (load_forward() or "Ok"));
+       dbg("load swop: " . (load_swop() or "Ok"));
 
        # read in the directory
        opendir($dir, $msgdir) or confess "can't open $msgdir $!";
@@ -765,15 +906,15 @@ sub init
                
                $ref = read_msg_header("$msgdir/$_");
                unless ($ref) {
-                       dbg('err', "Deleting $_");
+                       dbg("Deleting $_");
                        Log('err', "Deleting $_");
                        unlink "$msgdir/$_";
                        next;
                }
                
                # delete any messages to 'badmsg.pl' places
-               if (grep $ref->{to} eq $_, @badmsg) {
-                       dbg('msg', "'Bad' TO address $ref->{to}");
+               if ($ref->dump_it('')) {
+                       dbg("'Bad' TO address $ref->{to}") if isdbg('msg');
                        Log('msg', "'Bad' TO address $ref->{to}");
                        $ref->del_msg;
                        next;
@@ -846,6 +987,11 @@ sub do_send_stuff
                #  $DB::single = 1;
                confess "local var gone missing" if !ref $self->{loc};
                my $loc = $self->{loc};
+               if (my @ans = BadWords::check($line)) {
+                       $self->{badcount} += @ans;
+                       Log('msg', $self->call . " used badwords: @ans to @{$loc->{to}} in msg");
+                       $loc->{reject}++;
+               }
                $loc->{subject} = $line;
                $loc->{lines} = [];
                $self->state('sendbody');
@@ -856,33 +1002,31 @@ sub do_send_stuff
                my $loc = $self->{loc};
                if ($line eq "\032" || $line eq '%1A' || uc $line eq "/EX") {
                        my $to;
-                       
-                       foreach $to (@{$loc->{to}}) {
-                               my $ref;
-                               my $systime = $main::systime;
-                               my $mycall = $main::mycall;
-                               $ref = DXMsg->alloc(DXMsg::next_transno('Msgno'),
-                                                                       uc $to,
-                                                                       exists $loc->{from} ? $loc->{from} : $self->call, 
-                                                                       $systime,
-                                                                       $loc->{private}, 
-                                                                       $loc->{subject}, 
-                                                                       exists $loc->{origin} ? $loc->{origin} : $mycall,
-                                                                       '0',
-                                                                       $loc->{rrreq});
-                               $ref->swop_it($self->call);
-                               $ref->store($loc->{lines});
-                               $ref->add_dir();
-                               push @out, $self->msg('m11', $ref->{msgno}, $to);
-                               #push @out, "msgno $ref->{msgno} sent to $to";
-                               my $dxchan = DXChannel->get(uc $to);
-                               if ($dxchan) {
-                                       if ($dxchan->is_user()) {
-                                               $dxchan->send($dxchan->msg('m9'));
-                                       }
+                       unless ($loc->{reject}) {
+                               foreach $to (@{$loc->{to}}) {
+                                       my $ref;
+                                       my $systime = $main::systime;
+                                       my $mycall = $main::mycall;
+                                       $ref = DXMsg->alloc(DXMsg::next_transno('Msgno'),
+                                                                               uc $to,
+                                                                               exists $loc->{from} ? $loc->{from} : $self->call, 
+                                                                               $systime,
+                                                                               $loc->{private}, 
+                                                                               $loc->{subject}, 
+                                                                               exists $loc->{origin} ? $loc->{origin} : $mycall,
+                                                                               '0',
+                                                                               $loc->{rrreq});
+                                       $ref->swop_it($self->call);
+                                       $ref->store($loc->{lines});
+                                       $ref->add_dir();
+                                       push @out, $self->msg('m11', $ref->{msgno}, $to);
+                                       #push @out, "msgno $ref->{msgno} sent to $to";
+                                       $ref->notify;
                                }
+                       } else {
+                               Log('msg', $self->call . " swore to @{$loc->{to}} subject: '$loc->{subject}' in msg, REJECTED");
                        }
-
+                       
                        delete $loc->{lines};
                        delete $loc->{to};
                        delete $self->{loc};
@@ -898,20 +1042,28 @@ sub do_send_stuff
                        $self->func(undef);
                        $self->state('prompt');
                } else {
+                       if (my @ans = BadWords::check($line)) {
+                               $self->{badcount} += @ans;
+                               Log('msg', $self->call . " used badwords: @ans to @{$loc->{to}} subject: '$loc->{subject}' in msg") unless $loc->{reject};
+                               Log('msg', "line: $line");
+                               $loc->{reject}++;
+                       }
                        
                        # i.e. it ain't and end or abort, therefore store the line
                        push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
                }
        }
-       return (1, @out);
+       return @out;
 }
 
 # return the standard directory line for this ref 
 sub dir
 {
        my $ref = shift;
+       my $flag = $ref->read ? '-' : ' ';
+       $flag = 'D' if $ref->delete;
        return sprintf "%6d%s%s%5d %8.8s %8.8s %-6.6s %5.5s %-30.30s", 
-               $ref->msgno, $ref->read ? '-' : ' ', $ref->private ? 'p' : ' ', $ref->size,
+               $ref->msgno, $flag, $ref->private ? 'p' : ' ', $ref->size,
                        $ref->to, $ref->from, cldate($ref->t), ztime($ref->t), $ref->subject;
 }
 
@@ -1003,6 +1155,7 @@ sub dump_it
                $tested = $ref->{from} if $field eq 'F';
                $tested = $ref->{origin} if $field eq 'O';
                $tested = $ref->{subject} if $field eq 'S';
+               $tested = $call if $field eq 'I';
 
                if (!$pattern || $tested =~ m{$pattern}i) {
                        return 1;
@@ -1066,7 +1219,7 @@ sub import_msgs
        # are there any to do in this directory?
        return unless -d $importfn;
        unless (opendir(DIR, $importfn)) {
-               dbg('msg', "can\'t open $importfn $!");
+               dbg("can\'t open $importfn $!") if isdbg('msg');
                Log('msg', "can\'t open $importfn $!");
                return;
        } 
@@ -1080,7 +1233,7 @@ sub import_msgs
                my $fn = "$importfn/$name";
                next unless -f $fn;
                unless (open(MSG, $fn)) {
-                       dbg('msg', "can\'t open import file $fn $!");
+                       dbg("can\'t open import file $fn $!") if isdbg('msg');
                        Log('msg', "can\'t open import file $fn $!");
                        unlink($fn);
                        next;
@@ -1088,7 +1241,7 @@ sub import_msgs
                my @msg = map { chomp; $_ } <MSG>;
                close(MSG);
                unlink($fn);
-               my @out = import_one($DXProt::me, \@msg, $splitit);
+               my @out = import_one($main::me, \@msg, $splitit);
                Log('msg', @out);
        }
 }
@@ -1110,10 +1263,12 @@ sub import_one
                                
        # first line;
        my $line = shift @$ref;
-       my @f = split /\s+/, $line;
+       my @f = split /([\s\@\$])/, $line;
+       @f = map {s/\s+//g; length $_ ? $_ : ()} @f;
+
        unless (@f && $f[0] =~ /^(:?S|SP|SB|SEND)$/ ) {
                my $m = "invalid first line in import '$line'";
-               dbg('MSG', $m );
+               dbg($m) if isdbg('msg');
                return (1, $m);
        }
        while (@f) {
@@ -1127,16 +1282,16 @@ sub import_one
                        ;
                } elsif ($notincalls && ($f eq 'RR')) {
                        $rr = '1';
-               } elsif ($f eq '@' && @f) {       # this is bbs syntax, for origin
-                       $origin = uc shift @f;
+               } elsif (($f =~ /^[\@\.\#\$]$/ || $f eq '.#') && @f) {       # this is bbs syntax, for AT
+                       shift @f;
                } elsif ($f eq '<' && @f) {     # this is bbs syntax  for from call
                        $from = uc shift @f;
                } elsif ($f =~ /^\$/) {     # this is bbs syntax  for a bid
                        next;
-               } elsif ($f =~ /^<\S+/) {     # this is bbs syntax  for from call
-                       ($from) = $f =~ /^<(\S+)$/;
-               } elsif ($f =~ /^\@\S+/) {     # this is bbs syntax for origin
-                       ($origin) = $f =~ /^\@(\S+)$/;
+               } elsif ($f =~ /^<(\S+)/) {     # this is bbs syntax  for from call
+                       $from = $1;
+               } elsif ($f =~ /^\$\S+/) {     # this is bbs syntax for bid
+                       ;
                } else {
 
                        # callsign ?
@@ -1196,7 +1351,18 @@ sub import_one
        } else {
                push @chunk, $ref;
        }
-                                 
+
+       # does an identical message already exist?
+       my $m;
+       for $m (@msg) {
+               if (substr($subject,0,28) eq substr($m->{subject},0,28) && $from eq $m->{from} && grep $m->{to} eq $_, @to) {
+                       my $msgno = $m->{msgno};
+                       dbg("duplicate message from $from -> $m->{to} to msg: $msgno") if isdbg('msg');
+                       Log('msg', "duplicate message from $from -> $m->{to} to msg: $msgno");
+                       return;
+               }
+       }
+
     # write all the messages away
        my $i;
        for ( $i = 0;  $i < @chunk; $i++) {
@@ -1226,12 +1392,7 @@ sub import_one
                        $mref->add_dir();
                        push @out, $dxchan->msg('m11', $mref->{msgno}, $to);
                        #push @out, "msgno $ref->{msgno} sent to $to";
-                       my $todxchan = DXChannel->get(uc $to);
-                       if ($todxchan) {
-                               if ($todxchan->is_user()) {
-                                       $todxchan->send($todxchan->msg('m9'));
-                               }
-                       }
+                       $mref->notify;
                }
        }
        return @out;