3 # This module impliments the message handling for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
10 # Notes for implementors:-
12 # PC28 field 11 is the RR required flag
13 # PC28 field 12 is a VIA routing (ie it is a node call)
31 use vars qw($VERSION $BRANCH);
32 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
33 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
34 $main::build += $VERSION;
35 $main::branch += $BRANCH;
37 use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean $residencetime
38 @badmsg @swop $swopfn $badmsgfn $forwardfn @forward $timeout $waittime
39 $queueinterval $lastq $importfn $minchunk $maxchunk $bulltopriv);
41 %work = (); # outstanding jobs
42 @msg = (); # messages we have
43 %busy = (); # station interlocks
44 $msgdir = "$main::root/msg"; # directory contain the msgs
45 $maxage = 30 * 86400; # the maximum age that a message shall live for if not marked
46 $last_clean = 0; # last time we did a clean
47 @forward = (); # msg forward table
48 @badmsg = (); # bad message table
49 @swop = (); # swop table
50 $timeout = 30*60; # forwarding timeout
51 $waittime = 30*60; # time an aborted outgoing message waits before trying again
52 $queueinterval = 1*60; # run the queue every 1 minute
55 $minchunk = 4800; # minimum chunk size for a split message
56 $maxchunk = 6000; # maximum chunk size
57 $bulltopriv = 1; # convert msgs with callsigns to private if they are bulls
58 $residencetime = 2*86400; # keep deleted messages for this amount of time
61 $badmsgfn = "$msgdir/badmsg.pl"; # list of TO address we wont store
62 $forwardfn = "$msgdir/forward.pl"; # the forwarding table
63 $swopfn = "$msgdir/swop.pl"; # the swopping table
64 $importfn = "$msgdir/import"; # import directory
68 fromnode => '5,From Node',
69 tonode => '5,To Node',
72 t => '0,Msg Time,cldatetime',
73 private => '5,Private,yesno',
74 subject => '0,Subject',
75 linesreq => '0,Lines per Gob',
76 rrreq => '5,Read Confirm,yesno',
79 stream => '9,Stream No',
80 count => '5,Gob Linecnt',
81 file => '5,File?,yesno',
82 gotit => '5,Got it Nodes,parray',
83 lines => '5,Lines,parray',
84 'read' => '5,Times read',
87 keep => '0,Keep this?,yesno',
88 lastt => '5,Last processed,cldatetime',
89 waitt => '5,Wait until,cldatetime',
90 delete => '5,Awaiting Delete,yesno',
91 deletetime => '5,Deletion Time,cldatetime',
94 # allocate a new object
95 # called fromnode, tonode, from, to, datetime, private?, subject, nolinesper
99 my $self = bless {}, $pkg;
100 $self->{msgno} = shift;
103 $self->{to} = ($to eq $main::mycall) ? $main::myalias : $to;
106 $self->{from} = uc $from;
108 $self->{private} = shift;
109 $self->{subject} = shift;
110 $self->{origin} = shift;
111 $self->{'read'} = shift;
112 $self->{rrreq} = shift;
113 $self->{delete} = shift;
114 $self->{deletetime} = shift;
116 # $self->{lastt} = $main::systime;
118 $self->{private} = 1 if $bulltopriv && DXUser->get_current($self->{to});
126 my ($self, $line) = @_;
128 # this is periodic processing
129 if (!$self || !$line) {
131 if ($main::systime >= $lastq + $queueinterval) {
133 # queue some message if the interval timer has gone off
136 # import any messages in the import directory
139 $lastq = $main::systime;
142 # clean the message queue
143 clean_old() if $main::systime - $last_clean > 3600 ;
144 $last_clean = $main::systime;
148 my @f = split /\^/, $line;
149 my ($pcno) = $f[0] =~ /^PC(\d\d)/; # just get the number
150 my ($tonode, $fromnode) = @f[1, 2];
151 my $stream = $f[3] if ($pcno >= 29 && $pcno <= 33) || $pcno == 42;
154 if ($pcno == 28) { # incoming message
156 # sort out various extant protocol errors that occur
158 $origin = $self->call unless $origin && $origin gt ' ';
160 # first look for any messages in the busy queue
161 # and cancel them this should both resolve timed out incoming messages
162 # and crossing of message between nodes, incoming messages have priority
164 my $ref = get_busy($fromnode);
166 my $otonode = $ref->{tonode} || "unknown";
167 dbg("Busy, stopping msgno: $ref->{msgno} $fromnode->$otonode") if isdbg('msg');
168 $ref->stop_msg($fromnode);
171 my $t = cltounix($f[5], $f[6]);
172 $stream = next_transno($fromnode);
173 $ref = DXMsg->alloc($stream, uc $f[3], $f[4], $t, $f[7], $f[8], $origin, '0', $f[11]);
175 # fill in various forwarding state variables
176 $ref->{fromnode} = $fromnode;
177 $ref->{tonode} = $tonode;
178 $ref->{rrreq} = $f[11];
179 $ref->{linesreq} = $f[10];
180 $ref->{stream} = $stream;
181 $ref->{count} = 0; # no of lines between PC31s
182 dbg("new message from $f[4] to $f[3] '$f[8]' stream $fromnode/$stream\n") if isdbg('msg');
183 Log('msg', "Incoming message $f[4] to $f[3] '$f[8]' origin: $origin" );
184 set_fwq($fromnode, $stream, $ref); # store in work
185 set_busy($fromnode, $ref); # set interlock
186 $self->send(DXProt::pc30($fromnode, $tonode, $stream)); # send ack
187 $ref->{lastt} = $main::systime;
189 # look to see whether this is a non private message sent to a known callsign
190 my $uref = DXUser->get_current($ref->{to});
191 if (is_callsign($ref->{to}) && !$ref->{private} && $uref && $uref->homenode) {
193 dbg("set bull to $ref->{to} to private") if isdbg('msg');
194 Log('msg', "set bull to $ref->{to} to private");
199 if ($pcno == 29) { # incoming text
200 my $ref = get_fwq($fromnode, $stream);
203 if (@{$ref->{lines}}) {
204 push @{$ref->{lines}}, $f[4];
206 # temporarily store any R: lines so that we end up with
207 # only the first and last ones stored.
208 if ($f[4] =~ m|^R:\d{6}/\d{4}|) {
209 push @{$ref->{tempr}}, $f[4];
211 if (exists $ref->{tempr}) {
212 push @{$ref->{lines}}, shift @{$ref->{tempr}};
213 push @{$ref->{lines}}, pop @{$ref->{tempr}} if @{$ref->{tempr}};
214 delete $ref->{tempr};
216 push @{$ref->{lines}}, $f[4];
220 if ($ref->{count} >= $ref->{linesreq}) {
221 $self->send(DXProt::pc31($fromnode, $tonode, $stream));
222 dbg("stream $stream: $ref->{count} lines received\n") if isdbg('msg');
225 $ref->{lastt} = $main::systime;
227 dbg("PC29 from unknown stream $stream from $fromnode") if isdbg('msg');
228 $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
233 if ($pcno == 30) { # this is a incoming subject ack
234 my $ref = get_fwq($fromnode); # note no stream at this stage
237 $ref->{stream} = $stream;
239 $ref->{linesreq} = 5;
240 set_fwq($fromnode, $stream, $ref); # new ref
241 set_busy($fromnode, $ref); # interlock
242 dbg("incoming subject ack stream $stream\n") if isdbg('msg');
243 $ref->{lines} = [ $ref->read_msg_body ];
244 $ref->send_tranche($self);
245 $ref->{lastt} = $main::systime;
247 dbg("PC30 from unknown stream $stream from $fromnode") if isdbg('msg');
248 $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
253 if ($pcno == 31) { # acknowledge a tranche of lines
254 my $ref = get_fwq($fromnode, $stream);
256 dbg("tranche ack stream $stream\n") if isdbg('msg');
257 $ref->send_tranche($self);
258 $ref->{lastt} = $main::systime;
260 dbg("PC31 from unknown stream $stream from $fromnode") if isdbg('msg');
261 $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
266 if ($pcno == 32) { # incoming EOM
267 dbg("stream $stream: EOM received\n") if isdbg('msg');
268 my $ref = get_fwq($fromnode, $stream);
270 $self->send(DXProt::pc33($fromnode, $tonode, $stream)); # acknowledge it
272 # get the next msg no - note that this has NOTHING to do with the stream number in PC protocol
273 # store the file or message
274 # remove extraneous rubbish from the hash
275 # remove it from the work in progress vector
276 # stuff it on the msg queue
279 $ref->store($ref->{lines});
282 # does an identical message already exist?
285 if ($ref->{subject} eq $m->{subject} && $ref->{t} == $m->{t} && $ref->{from} eq $m->{from} && $ref->{to} eq $m->{to}) {
286 $ref->stop_msg($fromnode);
287 my $msgno = $m->{msgno};
288 dbg("duplicate message from $ref->{from} -> $ref->{to} to msg: $msgno") if isdbg('msg');
289 Log('msg', "duplicate message from $ref->{from} -> $ref->{to} to msg: $msgno");
295 $ref->swop_it($self->call);
297 # look for 'bad' to addresses
298 if ($ref->dump_it($self->call)) {
299 $ref->stop_msg($fromnode);
300 dbg("'Bad' message $ref->{to}") if isdbg('msg');
301 Log('msg', "'Bad' message $ref->{to}");
305 # check the message for bad words
307 for (@{$ref->{lines}}) {
308 push @words, BadWords::check($_);
310 push @words, BadWords::check($ref->{subject});
312 dbg("message with badwords '@words' $ref->{from} -> $ref->{to} '$ref->{subject}' origin: $ref->{origin} via " . $self->call) if isdbg('msg');
313 Log('msg',"message with badwords '@words' $ref->{from} -> $ref->{to} origin: $ref->{origin} via " . $self->call);
314 Log('msg',"subject: $ref->{subject}");
315 for (@{$ref->{lines}}) {
316 Log('msg', "line: $_");
318 $ref->stop_msg($fromnode);
322 $ref->{msgno} = next_transno("Msgno");
323 push @{$ref->{gotit}}, $fromnode; # mark this up as being received
324 $ref->store($ref->{lines});
326 my $dxchan = DXChannel->get($ref->{to});
327 $dxchan->send($dxchan->msg('m9')) if $dxchan && $dxchan->is_user;
328 Log('msg', "Message $ref->{msgno} from $ref->{from} received from $fromnode for $ref->{to}");
331 $ref->stop_msg($fromnode);
333 dbg("PC32 from unknown stream $stream from $fromnode") if isdbg('msg');
334 $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
340 if ($pcno == 33) { # acknowledge the end of message
341 my $ref = get_fwq($fromnode, $stream);
343 if ($ref->{private}) { # remove it if it private and gone off site#
344 Log('msg', "Message $ref->{msgno} from $ref->{from} sent to $fromnode and deleted");
347 Log('msg', "Message $ref->{msgno} from $ref->{from} sent to $fromnode");
348 push @{$ref->{gotit}}, $fromnode; # mark this up as being received
349 $ref->store($ref->{lines}); # re- store the file
351 $ref->stop_msg($fromnode);
353 dbg("PC33 from unknown stream $stream from $fromnode") if isdbg('msg');
354 $self->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
357 # send next one if present
362 if ($pcno == 40) { # this is a file request
363 $f[3] =~ s/\\/\//og; # change the slashes
364 $f[3] =~ s/\.//og; # remove dots
365 $f[3] =~ s/^\///o; # remove the leading /
366 $f[3] = lc $f[3]; # to lower case;
367 dbg("incoming file $f[3]\n") if isdbg('msg');
368 $f[3] = 'packclus/' . $f[3] unless $f[3] =~ /^packclus\//o;
370 # create any directories
371 my @part = split /\//, $f[3];
373 my $fn = "$main::root";
374 pop @part; # remove last part
375 foreach $part (@part) {
378 last SWITCH if !mkdir $fn, 0777;
379 dbg("created directory $fn\n") if isdbg('msg');
381 my $stream = next_transno($fromnode);
382 my $ref = DXMsg->alloc($stream, "$main::root/$f[3]", $self->call, time, !$f[4], $f[3], ' ', '0', '0');
384 # forwarding variables
385 $ref->{fromnode} = $tonode;
386 $ref->{tonode} = $fromnode;
387 $ref->{linesreq} = $f[5];
388 $ref->{stream} = $stream;
389 $ref->{count} = 0; # no of lines between PC31s
391 $ref->{lastt} = $main::systime;
392 set_fwq($fromnode, $stream, $ref); # store in work
393 $self->send(DXProt::pc30($fromnode, $tonode, $stream)); # send ack
398 if ($pcno == 42) { # abort transfer
399 dbg("stream $stream: abort received\n") if isdbg('msg');
400 my $ref = get_fwq($fromnode, $stream);
402 $ref->stop_msg($fromnode);
408 if ($pcno == 49) { # global delete on subject
410 if ($_->{from} eq $f[1] && $_->{subject} eq $f[2]) {
412 Log('msg', "Message $_->{msgno} from $_->{from} ($_->{subject}) fully deleted");
413 DXChannel::broadcast_nodes($line, $self);
421 # store a message away on disc or whatever
423 # NOTE the second arg is a REFERENCE not a list
429 if ($ref->{file}) { # a file
430 dbg("To be stored in $ref->{to}\n") if isdbg('msg');
432 my $fh = new IO::File "$ref->{to}", "w";
435 foreach $line (@{$lines}) {
439 dbg("file $ref->{to} stored\n") if isdbg('msg');
440 Log('msg', "file $ref->{to} from $ref->{from} stored" );
442 confess "can't open file $ref->{to} $!";
444 } else { # a normal message
446 # attempt to open the message file
447 my $fn = filename($ref->{msgno});
449 dbg("To be stored in $fn\n") if isdbg('msg');
451 # now save the file, overwriting what's there, YES I KNOW OK! (I will change it if it's a problem)
452 my $fh = new IO::File "$fn", "w";
454 my $rr = $ref->{rrreq} ? '1' : '0';
455 my $priv = $ref->{private} ? '1': '0';
456 my $del = $ref->{delete} ? '1' : '0';
457 my $delt = $ref->{deletetime} || '0';
458 print $fh "=== $ref->{msgno}^$ref->{to}^$ref->{from}^$ref->{t}^$priv^$ref->{subject}^$ref->{origin}^$ref->{'read'}^$rr^$del^$delt\n";
459 print $fh "=== ", join('^', @{$ref->{gotit}}), "\n";
462 foreach $line (@{$lines}) {
463 $ref->{size} += (length $line) + 1;
467 dbg("msg $ref->{msgno} stored\n") if isdbg('msg');
468 Log('msg', "msg $ref->{msgno} from $ref->{from} to $ref->{to} stored" );
470 confess "can't open msg file $fn $!";
481 if ($self->{tonode}) {
483 $self->{deletetime} = 0;
487 $call = " by " . $dxchan->call;
492 # remove it from the active message list
493 @msg = grep { $_ != $self } @msg;
496 unlink filename($self->{msgno});
504 $t = $main::systime + $residencetime unless defined $t;
507 $ref->{deletetime} = $t;
508 $ref->store( [$ref->read_msg_body] );
511 # clean out old messages from the message queue
516 # mark old messages for deletion
517 foreach $ref (@msg) {
518 if (ref($ref) && !$ref->{keep} && $ref->{t} < $main::systime - $maxage) {
520 # this is for IMMEDIATE destruction
522 $ref->{deletetime} = 0;
527 # read in a message header
537 $file = new IO::File "$fn";
539 dbg("Error reading $fn $!");
540 Log('err', "Error reading $fn $!");
544 $line = <$file>; # first line
545 if ($size == 0 || !$line) {
547 Log('err', "Empty $fn $!");
551 $size -= length $line;
552 if (! $line =~ /^===/o) {
553 dbg("corrupt first line in $fn ($line)");
554 Log('err', "corrupt first line in $fn ($line)");
558 @f = split /\^/, $line;
559 $ref = DXMsg->alloc(@f);
561 $line = <$file>; # second line
563 $size -= length $line;
564 if (! $line =~ /^===/o) {
565 dbg("corrupt second line in $fn ($line)");
566 Log('err', "corrupt second line in $fn ($line)");
571 @f = split /\^/, $line;
572 push @{$ref->{gotit}}, @f;
573 $ref->{size} = $size;
580 # read in a message header
584 my $msgno = $self->{msgno};
587 my $fn = filename($msgno);
590 $file = new IO::File;
591 if (!open($file, $fn)) {
592 dbg("Error reading $fn $!");
593 Log('err' ,"Error reading $fn $!");
596 @out = map {chomp; $_} <$file>;
599 shift @out if $out[0] =~ /^=== /;
600 shift @out if $out[0] =~ /^=== /;
604 # send a tranche of lines to the other end
607 my ($self, $dxchan) = @_;
609 my $to = $self->{tonode};
610 my $from = $self->{fromnode};
611 my $stream = $self->{stream};
612 my $lines = $self->{lines};
615 for ($i = 0, $c = $self->{count}; $i < $self->{linesreq} && $c < @$lines; $i++, $c++) {
616 push @out, DXProt::pc29($to, $from, $stream, $lines->[$c]);
620 push @out, DXProt::pc32($to, $from, $stream) if $i < $self->{linesreq};
625 # find a message to send out and start the ball rolling
632 # bat down the message list looking for one that needs to go off site and whose
633 # nearest node is not busy.
635 dbg("queue msg ($sort)\n") if isdbg('msg');
636 my @nodelist = DXChannel::get_all_nodes;
637 foreach $ref (@msg) {
639 # ignore 'delayed' messages until their waiting time has expired
640 if (exists $ref->{waitt}) {
641 next if $ref->{waitt} > $main::systime;
642 delete $ref->{waitt};
646 if (exists $ref->{lastt} && $main::systime >= $ref->{lastt} + $timeout) {
647 my $node = $ref->{tonode};
648 dbg("Timeout, stopping msgno: $ref->{msgno} -> $node") if isdbg('msg');
649 Log('msg', "Timeout, stopping msgno: $ref->{msgno} -> $node");
650 $ref->stop_msg($node);
652 # delay any outgoing messages that fail
653 $ref->{waitt} = $main::systime + $waittime + rand(120) if $node ne $main::mycall;
654 delete $ref->{lastt};
658 # is it being sent anywhere currently?
659 next if $ref->{tonode}; # ignore it if it already being processed
661 # is it awaiting deletion?
662 if ($ref->{delete} && $main::systime > $ref->{deletetime}) {
666 next if $ref->{delete};
668 # firstly, is it private and unread? if so can I find the recipient
669 # in my cluster node list offsite?
671 # deal with routed private messages
673 if ($ref->{private}) {
674 next if $ref->{'read'}; # if it is read, it is stuck here
675 $clref = Route::get($ref->{to});
677 $dxchan = $clref->dxchan;
679 if ($dxchan->is_node) {
680 next if $clref->call eq $main::mycall; # i.e. it lives here
681 $ref->start_msg($dxchan) if !get_busy($dxchan->call) && $dxchan->state eq 'normal';
684 dbg("Route: No dxchan for $ref->{to} " . ref($clref) ) if isdbg('msg');
689 # otherwise we are dealing with a bulletin or forwarded private message
690 # compare the gotit list with
691 # the nodelist up above, if there are sites that haven't got it yet
692 # then start sending it - what happens when we get loops is anyone's
693 # guess, use (to, from, time, subject) tuple?
694 foreach $dxchan (@nodelist) {
695 my $call = $dxchan->call;
697 next if $call eq $main::mycall;
698 next if ref $ref->{gotit} && grep $_ eq $call, @{$ref->{gotit}};
699 next unless $ref->forward_it($call); # check the forwarding file
700 next if $ref->{tonode}; # ignore it if it already being processed
702 # if we are here we have a node that doesn't have this message
703 if (!get_busy($call) && $dxchan->state eq 'normal') {
704 $ref->start_msg($dxchan);
710 # if all the available nodes are busy then stop
711 last if @nodelist == scalar grep { get_busy($_->call) } @nodelist;
715 # is there a message for me?
721 foreach $ref (@msg) {
722 # is it for me, private and unread?
723 if ($ref->{to} eq $call && $ref->{private}) {
724 return 1 if !$ref->{'read'};
730 # start the message off on its travels with a PC28
733 my ($self, $dxchan) = @_;
735 confess("trying to start started msg $self->{msgno} nodes: $self->{fromnode} -> $self->{tonode}") if $self->{tonode};
736 dbg("start msg $self->{msgno}\n") if isdbg('msg');
737 $self->{linesreq} = 10;
739 $self->{tonode} = $dxchan->call;
740 $self->{fromnode} = $main::mycall;
741 set_busy($self->{tonode}, $self);
742 set_fwq($self->{tonode}, undef, $self);
743 $self->{lastt} = $main::systime;
744 my ($fromnode, $origin);
745 $fromnode = $self->{fromnode};
746 $origin = $self->{origin};
747 $dxchan->send(DXProt::pc28($self->{tonode}, $fromnode, $self->{to}, $self->{from}, $self->{t}, $self->{private}, $self->{subject}, $origin, $self->{rrreq}));
750 # get the ref of a busy node
760 return $busy{$call} = shift;
766 return delete $busy{$call};
769 # get the whole busy queue
775 # get a forwarding queue entry
779 my $stream = shift || '0';
780 return $work{"$call,$stream"};
783 # delete a forwarding queue entry
787 my $stream = shift || '0';
788 return delete $work{"$call,$stream"};
795 my $stream = shift || '0';
796 return $work{"$call,$stream"} = shift;
799 # get the whole forwarding queue
805 # stop a message from continuing, clean it out, unlock interlocks etc
810 my $stream = $self->{stream};
813 dbg("stop msg $self->{msgno} -> node $node\n") if isdbg('msg');
814 del_fwq($node, $stream);
822 delete $ref->{lines};
823 delete $ref->{linesreq};
824 delete $ref->{tonode};
825 delete $ref->{fromnode};
826 delete $ref->{stream};
828 delete $ref->{count};
829 delete $ref->{tempr};
830 delete $ref->{lastt};
831 delete $ref->{waitt};
834 # get a new transaction number from the file specified
838 $name =~ s/\W//og; # remove non-word characters
839 my $fn = "$msgdir/$name";
842 my $fh = new IO::File;
843 if (sysopen($fh, $fn, O_RDWR|O_CREAT, 0666)) {
845 $msgno = $fh->getline || '0';
849 $fh->print("$msgno\n");
850 dbg("msgno $msgno allocated for $name\n") if isdbg('msg');
853 confess "can't open $fn $!";
858 # initialise the message 'system', read in all the message headers
861 my $dir = new IO::File;
865 # load various control files
866 dbg("load badmsg: " . (load_badmsg() or "Ok"));
867 dbg("load forward: " . (load_forward() or "Ok"));
868 dbg("load swop: " . (load_swop() or "Ok"));
870 # read in the directory
871 opendir($dir, $msgdir) or confess "can't open $msgdir $!";
872 @dir = readdir($dir);
877 next unless /^m\d\d\d\d\d\d$/;
879 $ref = read_msg_header("$msgdir/$_");
882 Log('err', "Deleting $_");
887 # delete any messages to 'badmsg.pl' places
888 if ($ref->dump_it('')) {
889 dbg("'Bad' TO address $ref->{to}") if isdbg('msg');
890 Log('msg', "'Bad' TO address $ref->{to}");
895 # add the message to the available queue
900 # add the message to the directory listing
904 confess "tried to add a non-ref to the msg directory" if !ref $ref;
908 # return all the current messages
914 # get a particular message
919 return $_ if $_->{msgno} == $msgno;
920 last if $_->{msgno} > $msgno;
925 # return the official filename for a message no
928 return sprintf "$msgdir/m%06d", shift;
932 # return a list of valid elements
941 # return a prompt for a field
946 my ($self, $ele) = @_;
951 # send a message state machine
958 if ($self->state eq 'send1') {
960 confess "local var gone missing" if !ref $self->{loc};
961 my $loc = $self->{loc};
962 if (my @ans = BadWords::check($line)) {
963 $self->{badcount} += @ans;
964 Log('msg', $self->call . " used badwords: @ans to @{$loc->{to}} in msg");
965 return ($self->msg('e17', @ans), $self->msg('m1'));
967 $loc->{subject} = $line;
969 $self->state('sendbody');
970 #push @out, $self->msg('sendbody');
971 push @out, $self->msg('m8');
972 } elsif ($self->state eq 'sendbody') {
973 confess "local var gone missing" if !ref $self->{loc};
974 my $loc = $self->{loc};
975 if ($line eq "\032" || $line eq '%1A' || uc $line eq "/EX") {
978 foreach $to (@{$loc->{to}}) {
980 my $systime = $main::systime;
981 my $mycall = $main::mycall;
982 $ref = DXMsg->alloc(DXMsg::next_transno('Msgno'),
984 exists $loc->{from} ? $loc->{from} : $self->call,
988 exists $loc->{origin} ? $loc->{origin} : $mycall,
991 $ref->swop_it($self->call);
992 $ref->store($loc->{lines});
994 push @out, $self->msg('m11', $ref->{msgno}, $to);
995 #push @out, "msgno $ref->{msgno} sent to $to";
996 my $dxchan = DXChannel->get(uc $to);
998 if ($dxchan->is_user()) {
999 $dxchan->send($dxchan->msg('m9'));
1004 delete $loc->{lines};
1006 delete $self->{loc};
1009 $self->state('prompt');
1010 } elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") {
1011 #push @out, $self->msg('sendabort');
1012 push @out, $self->msg('m10');
1013 delete $loc->{lines};
1015 delete $self->{loc};
1017 $self->state('prompt');
1019 if (my @ans = BadWords::check($line)) {
1020 $self->{badcount} += @ans;
1021 Log('msg', $self->call . " used badwords: @ans to @{$loc->{to}} subject: '$loc->{subject}' in msg");
1022 Log('msg', "line: $line");
1023 return ($self->msg('e17', @ans));
1026 # i.e. it ain't and end or abort, therefore store the line
1027 push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
1033 # return the standard directory line for this ref
1037 my $flag = $ref->read ? '-' : ' ';
1038 $flag = 'D' if $ref->delete;
1039 return sprintf "%6d%s%s%5d %8.8s %8.8s %-6.6s %5.5s %-30.30s",
1040 $ref->msgno, $flag, $ref->private ? 'p' : ' ', $ref->size,
1041 $ref->to, $ref->from, cldate($ref->t), ztime($ref->t), $ref->subject;
1044 # load the forward table
1048 my $s = readfilestr($forwardfn);
1051 push @out, $@ if $@;
1056 # load the bad message table
1060 my $s = readfilestr($badmsgfn);
1063 push @out, $@ if $@;
1068 # load the swop message table
1072 my $s = readfilestr($swopfn);
1075 push @out, $@ if $@;
1081 # forward that message or not according to the forwarding table
1082 # returns 1 for forward, 0 - to ignore
1091 for ($i = 0; $i < @forward; $i += 5) {
1092 my ($sort, $field, $pattern, $action, $bbs) = @forward[$i..($i+4)];
1095 # are we interested?
1096 next if $ref->{private} && $sort ne 'P';
1097 next if !$ref->{private} && $sort ne 'B';
1100 $tested = $ref->{to} if $field eq 'T';
1101 $tested = $ref->{from} if $field eq 'F';
1102 $tested = $ref->{origin} if $field eq 'O';
1103 $tested = $ref->{subject} if $field eq 'S';
1105 if (!$pattern || $tested =~ m{$pattern}i) {
1106 return 0 if $action eq 'I';
1107 return 1 if !$bbs || grep $_ eq $call, @{$bbs};
1119 for ($i = 0; $i < @badmsg; $i += 3) {
1120 my ($sort, $field, $pattern) = @badmsg[$i..($i+2)];
1123 # are we interested?
1124 next if $ref->{private} && $sort ne 'P';
1125 next if !$ref->{private} && $sort ne 'B';
1128 $tested = $ref->{to} if $field eq 'T';
1129 $tested = $ref->{from} if $field eq 'F';
1130 $tested = $ref->{origin} if $field eq 'O';
1131 $tested = $ref->{subject} if $field eq 'S';
1132 $tested = $call if $field eq 'I';
1134 if (!$pattern || $tested =~ m{$pattern}i) {
1148 for ($i = 0; $i < @swop; $i += 5) {
1149 my ($sort, $field, $pattern, $tfield, $topattern) = @swop[$i..($i+4)];
1154 # are we interested?
1155 next if $ref->{private} && $sort ne 'P';
1156 next if !$ref->{private} && $sort ne 'B';
1159 $tested = $ref->{to} if $field eq 'T';
1160 $tested = $ref->{from} if $field eq 'F';
1161 $tested = $ref->{origin} if $field eq 'O';
1162 $tested = $ref->{subject} if $field eq 'S';
1165 $old = $swop = $ref->{to} if $tfield eq 'T';
1166 $old = $swop = $ref->{from} if $tfield eq 'F';
1167 $old = $swop = $ref->{origin} if $tfield eq 'O';
1168 $old = $swop = $ref->{subject} if $tfield eq 'S';
1170 if ($tested =~ m{$pattern}i) {
1171 if ($tested eq $swop) {
1172 $swop =~ s{$pattern}{$topattern}i;
1176 Log('msg', "Msg $ref->{msgno}: $tfield $old -> $swop");
1177 Log('dbg', "Msg $ref->{msgno}: $tfield $old -> $swop");
1178 $ref->{to} = $swop if $tfield eq 'T';
1179 $ref->{from} = $swop if $tfield eq 'F';
1180 $ref->{origin} = $swop if $tfield eq 'O';
1181 $ref->{subject} = $swop if $tfield eq 'S';
1188 # import any msgs in the import directory
1189 # the messages are in BBS format (but may have cluster extentions
1190 # so SB UK < GB7TLH is legal
1193 # are there any to do in this directory?
1194 return unless -d $importfn;
1195 unless (opendir(DIR, $importfn)) {
1196 dbg("can\'t open $importfn $!") if isdbg('msg');
1197 Log('msg', "can\'t open $importfn $!");
1201 my @names = readdir(DIR);
1204 foreach $name (@names) {
1205 next if $name =~ /^\./;
1206 my $splitit = $name =~ /^split/;
1207 my $fn = "$importfn/$name";
1209 unless (open(MSG, $fn)) {
1210 dbg("can\'t open import file $fn $!") if isdbg('msg');
1211 Log('msg', "can\'t open import file $fn $!");
1215 my @msg = map { chomp; $_ } <MSG>;
1218 my @out = import_one($main::me, \@msg, $splitit);
1224 # import one message as a list in bbs (as extended) mode
1225 # takes a reference to an array containing the whole message
1230 my $splitit = shift;
1234 my $from = $dxchan->call;
1235 my $origin = $main::mycall;
1240 my $line = shift @$ref;
1241 my @f = split /\b/, $line;
1242 @f = map {s/\s+//g; length $_ ? $_ : ()} @f;
1244 unless (@f && $f[0] =~ /^(:?S|SP|SB|SEND)$/ ) {
1245 my $m = "invalid first line in import '$line'";
1246 dbg($m) if isdbg('msg');
1250 my $f = uc shift @f;
1251 next if $f eq 'SEND';
1253 # private / noprivate / rr
1254 if ($notincalls && ($f eq 'B' || $f eq 'SB' || $f =~ /^NOP/oi)) {
1256 } elsif ($notincalls && ($f eq 'P' || $f eq 'SP' || $f =~ /^PRI/oi)) {
1258 } elsif ($notincalls && ($f eq 'RR')) {
1260 } elsif (($f =~ /^[\@\.\#\$]$/ || $f eq '.#') && @f) { # this is bbs syntax, for AT
1262 } elsif ($f eq '<' && @f) { # this is bbs syntax for from call
1263 $from = uc shift @f;
1264 } elsif ($f =~ /^\$/) { # this is bbs syntax for a bid
1266 } elsif ($f =~ /^<(\S+)/) { # this is bbs syntax for from call
1268 } elsif ($f =~ /^\$\S+/) { # this is bbs syntax for bid
1275 # is this callsign a distro?
1276 my $fn = "$msgdir/distro/$f.pl";
1278 my $fh = new IO::File $fn;
1285 return (1, "Error in Distro $f.pl:", $@) if $@;
1293 if (grep $_ eq $f, @DXMsg::badmsg) {
1294 push @out, $dxchan->msg('m3', $f);
1301 # subject is the next line
1302 my $subject = shift @$ref;
1304 # strip off trailing lines
1305 pop @$ref while (@$ref && $$ref[-1] =~ /^\s*$/);
1307 # strip off /EX or /ABORT
1308 return ("aborted") if @$ref && $$ref[-1] =~ m{^/ABORT$}i;
1309 pop @$ref if (@$ref && $$ref[-1] =~ m{^/EX$}i);
1311 # sort out any splitting that needs to be done
1317 if ($lth >= $maxchunk || ($lth > $minchunk && /^\s*$/)) {
1318 push @chunk, $lines;
1325 push @chunk, $lines if @$lines;
1330 # write all the messages away
1332 for ( $i = 0; $i < @chunk; $i++) {
1333 my $chunk = $chunk[$i];
1336 my $num = " [" . ($i+1) . "/" . scalar @chunk . "]";
1337 $ch_subject = substr($subject, 0, 27 - length $num) . $num;
1339 $ch_subject = $subject;
1343 my $systime = $main::systime;
1344 my $mycall = $main::mycall;
1345 my $mref = DXMsg->alloc(DXMsg::next_transno('Msgno'),
1354 $mref->swop_it($main::mycall);
1355 $mref->store($chunk);
1357 push @out, $dxchan->msg('m11', $mref->{msgno}, $to);
1358 #push @out, "msgno $ref->{msgno} sent to $to";
1359 my $todxchan = DXChannel->get(uc $to);
1361 if ($todxchan->is_user()) {
1362 $todxchan->send($todxchan->msg('m9'));
1374 my $name = $AUTOLOAD;
1375 return if $name =~ /::DESTROY$/;
1378 confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
1379 # this clever line of code creates a subroutine which takes over from autoload
1380 # from OO Perl - Conway
1381 *{$AUTOLOAD} = sub {@_ > 1 ? $_[0]->{$name} = $_[1] : $_[0]->{$name}} ;
1382 @_ ? $self->{$name} = shift : $self->{$name} ;