X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXMsg.pm;h=bd6118768f93011462fe834f997e266a7912d823;hb=ba97b5ce3899461ec8b630cc305c58eff36d301f;hp=80895a55fbfc0ae82966bdb91ffa26214b539d92;hpb=9a55af9586711ecdea8dc9b0da38509119fa8090;p=spider.git diff --git a/perl/DXMsg.pm b/perl/DXMsg.pm index 80895a55..bd611876 100644 --- a/perl/DXMsg.pm +++ b/perl/DXMsg.pm @@ -11,25 +11,32 @@ # # PC28 field 11 is the RR required flag # PC28 field 12 is a VIA routing (ie it is a node call) +# package DXMsg; -@ISA = qw(DXProt DXChannel); - use DXUtil; use DXChannel; use DXUser; use DXM; -use DXCluster; use DXProtVars; use DXProtout; use DXDebug; use DXLog; -use FileHandle; -use Carp; +use IO::File; +use Fcntl; 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 + @badmsg @swop $swopfn $badmsgfn $forwardfn @forward $timeout $waittime + $queueinterval $lastq $importfn $minchunk $maxchunk $bulltopriv); %work = (); # outstanding jobs @msg = (); # messages we have @@ -37,28 +44,49 @@ use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean); $msgdir = "$main::root/msg"; # directory contain the msgs $maxage = 30 * 86400; # the maximum age that a message shall live for if not marked $last_clean = 0; # last time we did a clean +@forward = (); # msg forward table +@badmsg = (); # bad message table +@swop = (); # swop table +$timeout = 30*60; # forwarding timeout +$waittime = 30*60; # time an aborted outgoing message waits before trying again +$queueinterval = 1*60; # run the queue every 1 minute +$lastq = 0; + +$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 + + +$badmsgfn = "$msgdir/badmsg.pl"; # list of TO address we wont store +$forwardfn = "$msgdir/forward.pl"; # the forwarding table +$swopfn = "$msgdir/swop.pl"; # the swopping table +$importfn = "$msgdir/import"; # import directory + %valid = ( - fromnode => '9,From Node', - tonode => '9,To Node', + fromnode => '5,From Node', + tonode => '5,To Node', to => '0,To', from => '0,From', t => '0,Msg Time,cldatetime', - private => '9,Private', + private => '5,Private,yesno', subject => '0,Subject', linesreq => '0,Lines per Gob', - rrreq => '9,Read Confirm', + rrreq => '5,Read Confirm,yesno', origin => '0,Origin', lines => '5,Data', stream => '9,Stream No', - count => '9,Gob Linecnt', - file => '9,File?,yesno', - gotit => '9,Got it Nodes,parray', - lines => '9,Lines,parray', - 'read' => '9,Times read', + count => '5,Gob Linecnt', + file => '5,File?,yesno', + gotit => '5,Got it Nodes,parray', + lines => '5,Lines,parray', + 'read' => '5,Times read', size => '0,Size', msgno => '0,Msgno', keep => '0,Keep this?,yesno', + lastt => '5,Last processed,cldatetime', + waitt => '5,Wait until,cldatetime', + delete => '5,Awaiting Delete,yesno', ); # allocate a new object @@ -70,7 +98,7 @@ sub alloc $self->{msgno} = shift; my $to = shift; # $to =~ s/-\d+$//o; - $self->{to} = $to; + $self->{to} = ($to eq $main::mycall) ? $main::myalias : $to; my $from = shift; $from =~ s/-\d+$//o; $self->{from} = uc $from; @@ -81,105 +109,152 @@ sub alloc $self->{'read'} = shift; $self->{rrreq} = shift; $self->{gotit} = []; +# $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 $ref->{count}; -} sub process { my ($self, $line) = @_; - my @f = split /[\^\~]/, $line; + + # this is periodic processing + if (!$self || !$line) { + + if ($main::systime >= $lastq + $queueinterval) { + + # queue some message if the interval timer has gone off + queue_msg(0); + + # import any messages in the import directory + import_msgs(); + + $lastq = $main::systime; + } + + # clean the message queue + clean_old() if $main::systime - $last_clean > 3600 ; + 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 && $pcno <= 33; + SWITCH: { if ($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 + + 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]); - 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"); - $work{"$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 (is_callsign($ref->{to}) && !$ref->{private} && $uref && $uref->homenode) { + $ref->{private} = 1; + 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) { + $f[4] =~ s/\%5E/^/g; push @{$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("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 { - $self->send(DXProt::pc42($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 { - $self->send(DXProt::pc42($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, $stream)); # acknowledge it # get the next msg no - note that this has NOTHING to do with the stream number in PC protocol # store the file or message # remove extraneous rubbish from the hash # remove it from the work in progress vector # stuff it on the msg queue - if ($ref->{lines} && @{$ref->{lines}} > 0) { # ignore messages with 0 lines + if ($ref->{lines}) { if ($ref->{file}) { $ref->store($ref->{lines}); } else { @@ -187,48 +262,79 @@ 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}) { - $ref->stop_msg($self); + if ($ref->{subject} eq $m->{subject} && $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 to $msgno\n"); - Log('msg', "duplicate message 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; } } + # swop addresses + $ref->swop_it($self->call); + + # look for 'bad' to addresses + if ($ref->dump_it($self->call)) { + $ref->stop_msg($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("message with badwords '@words' $ref->{from} -> $ref->{to} '$ref->{subject}' origin: $ref->{origin} via " . $self->call) if isdbg('msg'); + Log('msg',"message with badwords '@words' $ref->{from} -> $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}); add_dir($ref); my $dxchan = DXChannel->get($ref->{to}); - $dxchan->send("New mail has arrived for you") if $dxchan; - Log('msg', "Message $ref->{msgno} from $ref->{from} received from $f[2] for $ref->{to}"); + $dxchan->send($dxchan->msg('m9')) if $dxchan && $dxchan->is_user; + Log('msg', "Message $ref->{msgno} from $ref->{from} received from $fromnode for $ref->{to}"); } } - $ref->stop_msg($self); - queue_msg(0); + $ref->stop_msg($fromnode); } else { - $self->send(DXProt::pc42($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, $stream)); # unknown stream } - queue_msg(0); + # queue_msg(0); last SWITCH; } if ($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->{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); + $ref->stop_msg($fromnode); } else { - $self->send(DXProt::pc42($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 queue_msg(0); last SWITCH; } @@ -238,8 +344,8 @@ 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"); - last SWITCH if $f[3] =~ /^(perl|cmd|local|src|lib|include|sys|msg|connect)/; # prevent access to executables + dbg("incoming file $f[3]\n") if isdbg('msg'); + $f[3] = 'packclus/' . $f[3] unless $f[3] =~ /^packclus\//o; # create any directories my @part = split /\//, $f[3]; @@ -250,46 +356,45 @@ 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; - $work{"$f[2]$stream"} = $ref; # store in work - $self->send(DXProt::pc30($f[2], $f[1], $stream)); # send ack + $ref->{lastt} = $main::systime; + set_fwq($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); + $ref->stop_msg($fromnode); $ref = undef; } - last SWITCH; } if ($pcno == 49) { # global delete on subject for (@msg) { - if ($_->{subject} eq $f[2]) { - $_->del_msg(); - Log('msg', "Message $_->{msgno} fully deleted by $f[1]"); + if ($_->{from} eq $f[1] && $_->{subject} eq $f[2]) { + $_->{delete}++; + Log('msg', "Message $_->{msgno} from $_->{from} ($_->{subject}) fully deleted"); + DXChannel::broadcast_nodes($line, $self); } } } } - - clean_old() if $main::systime - $last_clean > 3600 ; # clean the message queue } @@ -300,23 +405,18 @@ 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 $fh = new FileHandle "$ref->{to}", "w"; + my $fh = new IO::File "$ref->{to}", "w"; if (defined $fh) { my $line; foreach $line (@{$lines}) { 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} $!"; @@ -326,10 +426,10 @@ 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 $fh = new FileHandle "$fn", "w"; + my $fh = new IO::File "$fn", "w"; if (defined $fh) { my $rr = $ref->{rrreq} ? '1' : '0'; my $priv = $ref->{private} ? '1': '0'; @@ -342,7 +442,7 @@ 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 $!"; @@ -354,17 +454,24 @@ 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 $self->{list}; - - # remove the file - unlink filename($self->{msgno}); - dbg('msg', "deleting $self->{msgno}\n"); + if ($self->{tonode}) { + $self->{delete}++; + } else { + my $call; + if ($dxchan) { + $call = " by " . $dxchan->call; + } else { + $call = ''; + } + + # remove it from the active message list + @msg = grep { $_ != $self } @msg; + + # remove the file + unlink filename($self->{msgno}); + } } # clean out old messages from the message queue @@ -373,18 +480,18 @@ sub clean_old my $ref; # mark old messages for deletion + dbg("\@msg = " . scalar @msg . " before delete") if isdbg('msg'); foreach $ref (@msg) { - if (!$ref->{keep} && $ref->{t} < $main::systime - $maxage) { + if (ref($ref) && !$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"); + dbg("deleting old $ref->{msgno}\n") if isdbg('msg'); } } # remove them all from the active message list - @msg = map { $_->{deleteme} ? () : $_ } @msg; + @msg = grep { !$_->{deleteme} } @msg; + dbg("\@msg = " . scalar @msg . " after delete") if isdbg('msg'); $last_clean = $main::systime; } @@ -398,17 +505,24 @@ sub read_msg_header my @f; my $size; - $file = new FileHandle; - if (!open($file, $fn)) { - print "Error reading $fn $!\n"; + $file = new IO::File "$fn"; + if (!$file) { + dbg("Error reading $fn $!"); + Log('err', "Error reading $fn $!"); return undef; } $size = -s $fn; $line = <$file>; # first line + if ($size == 0 || !$line) { + dbg("Empty $fn $!"); + Log('err', "Empty $fn $!"); + return undef; + } chomp $line; $size -= length $line; if (! $line =~ /^===/o) { - print "corrupt first line in $fn ($line)\n"; + dbg("corrupt first line in $fn ($line)"); + Log('err', "corrupt first line in $fn ($line)"); return undef; } $line =~ s/^=== //o; @@ -419,7 +533,8 @@ sub read_msg_header chomp $line; $size -= length $line; if (! $line =~ /^===/o) { - print "corrupt second line in $fn ($line)\n"; + dbg("corrupt second line in $fn ($line)"); + Log('err', "corrupt second line in $fn ($line)"); return undef; } $line =~ s/^=== //o; @@ -443,12 +558,13 @@ sub read_msg_body my $fn = filename($msgno); my @out; - $file = new FileHandle; + $file = new IO::File; if (!open($file, $fn)) { - print "Error reading $fn $!\n"; - return undef; + dbg("Error reading $fn $!"); + Log('err' ,"Error reading $fn $!"); + return (); } - chomp (@out = <$file>); + @out = map {chomp; $_} <$file>; close($file); shift @out if $out[0] =~ /^=== /; @@ -481,62 +597,124 @@ sub send_tranche sub queue_msg { my $sort = shift; - my $call = shift; my $ref; my $clref; - my $dxchan; - my @nodelist = DXProt::get_all_ak1a(); # bat down the message list looking for one that needs to go off site and whose # nearest node is not busy. - dbg('msg', "queue msg ($sort)\n"); + dbg("queue msg ($sort)\n") if isdbg('msg'); + my @nodelist = DXChannel::get_all_nodes; foreach $ref (@msg) { + + # ignore 'delayed' messages until their waiting time has expired + if (exists $ref->{waitt}) { + next if $ref->{waitt} > $main::systime; + 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}) { + $ref->del_msg; + next; + } + # 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 $dxchan; if ($ref->{private}) { - if ($ref->{'read'} == 0) { - $clref = DXCluster->get_exact($ref->{to}); - if ($clref && !grep { $clref->{dxchan} == $_ } DXCommandmode::get_all) { - $dxchan = $clref->{dxchan}; - $ref->start_msg($dxchan) if $clref && !get_busy($dxchan->call) && $dxchan->state eq 'normal'; + next if $ref->{'read'}; # if it is read, it is stuck here + $clref = Route::get($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'); } } - } elsif (!$sort) { - # otherwise we are dealing with a bulletin, compare the gotit list with + } 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? - my $noderef; - foreach $noderef (@nodelist) { - next if $noderef->call eq $main::mycall; - next if $noderef->isolate; # maybe add code for stuff originated here? - next if grep { $_ eq $noderef->call } @{$ref->{gotit}}; + 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 - $ref->start_msg($noderef) if !get_busy($noderef->call) && $noderef->state eq 'normal'; - last; + if (!get_busy($call) && $dxchan->state eq 'normal') { + $ref->start_msg($dxchan); + last; + } } } - + # if all the available nodes are busy then stop last if @nodelist == scalar grep { get_busy($_->call) } @nodelist; } } +# is there a message for me? +sub for_me +{ + my $call = uc shift; + my $ref; + + foreach $ref (@msg) { + # is it for me, private and unread? + if ($ref->{to} eq $call && $ref->{private}) { + return 1 if !$ref->{'read'}; + } + } + return 0; +} + # start the message off on its travels with a PC28 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; - $busy{$dxchan->call} = $self; - $work{"$self->{tonode}"} = $self; - $dxchan->send(DXProt::pc28($self->{tonode}, $self->{fromnode}, $self->{to}, $self->{from}, $self->{t}, $self->{private}, $self->{subject}, $self->{origin}, $self->{rrreq})); + set_busy($self->{tonode}, $self); + set_fwq($self->{tonode}, undef, $self); + $self->{lastt} = $main::systime; + my ($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 @@ -546,29 +724,80 @@ 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,$stream"} = shift; +} + +# get the whole forwarding queue +sub get_all_fwq +{ + return keys %work; } # stop a message from continuing, clean it out, unlock interlocks etc sub stop_msg { - my ($self, $dxchan) = @_; - my $node = $dxchan->call; + my $self = shift; + my $node = shift; + my $stream = $self->{stream}; + - dbg('msg', "stop msg $self->{msgno} stream $self->{stream}\n"); - delete $work{$node}; - delete $work{"$node$self->{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->{lastt} if exists $ref->{lastt}; + delete $ref->{waitt} if exists $ref->{waitt}; } # get a new transaction number from the file specified @@ -579,15 +808,15 @@ sub next_transno my $fn = "$msgdir/$name"; my $msgno; - my $fh = new FileHandle; + 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 $!"; @@ -598,25 +827,42 @@ sub next_transno # initialise the message 'system', read in all the message headers sub init { - my $dir = new FileHandle; + my $dir = new IO::File; my @dir; my $ref; - + + # load various control files + dbg("load badmsg: " . (load_badmsg() or "Ok")); + dbg("load forward: " . (load_forward() or "Ok")); + dbg("load swop: " . (load_swop() or "Ok")); + # read in the directory opendir($dir, $msgdir) or confess "can't open $msgdir $!"; @dir = readdir($dir); closedir($dir); - + + @msg = (); for (sort @dir) { - next if /^\./o; - next if ! /^m\d+/o; + next unless /^m\d\d\d\d\d\d$/; $ref = read_msg_header("$msgdir/$_"); - next if !$ref; + unless ($ref) { + dbg("Deleting $_"); + Log('err', "Deleting $_"); + unlink "$msgdir/$_"; + next; + } + # delete any messages to 'badmsg.pl' places + if ($ref->dump_it('')) { + dbg("'Bad' TO address $ref->{to}") if isdbg('msg'); + Log('msg', "'Bad' TO address $ref->{to}"); + $ref->del_msg; + next; + } + # add the message to the available queue add_dir($ref); - } } @@ -682,75 +928,412 @@ 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"); + return ($self->msg('e17', @ans), $self->msg('m1')); + } $loc->{subject} = $line; $loc->{lines} = []; $self->state('sendbody'); #push @out, $self->msg('sendbody'); - push @out, "Enter Message /EX (^Z) to send or /ABORT (^Y) to exit"; + push @out, $self->msg('m8'); } elsif ($self->state eq 'sendbody') { confess "local var gone missing" if !ref $self->{loc}; my $loc = $self->{loc}; - if ($line eq "\032" || uc $line eq "/EX") { + if ($line eq "\032" || $line eq '%1A' || uc $line eq "/EX") { my $to; - if (@{$loc->{lines}} > 0) { - foreach $to (@{$loc->{to}}) { - my $ref; - my $systime = $main::systime; - my $mycall = $main::mycall; - $ref = DXMsg->alloc(DXMsg::next_transno('Msgno'), - uc $to, - $self->call, - $systime, - $loc->{private}, - $loc->{subject}, - $mycall, - '0', - $loc->{rrreq}); - $ref->store($loc->{lines}); - $ref->add_dir(); - #push @out, $self->msg('sendsent', $to); - push @out, "msgno $ref->{msgno} sent to $to"; - my $dxchan = DXChannel->get(uc $to); - if ($dxchan) { - if ($dxchan->is_user()) { - $dxchan->send("New mail has arrived for you"); - } + 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')); } } } + delete $loc->{lines}; delete $loc->{to}; delete $self->{loc}; - $self->state('prompt'); $self->func(undef); - DXMsg::queue_msg(0); + + $self->state('prompt'); } elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") { #push @out, $self->msg('sendabort'); - push @out, "aborted"; + push @out, $self->msg('m10'); delete $loc->{lines}; delete $loc->{to}; delete $self->{loc}; $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"); + Log('msg', "line: $line"); + return ($self->msg('e17', @ans)); + } # 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; } +# load the forward table +sub load_forward +{ + my @out; + my $s = readfilestr($forwardfn); + if ($s) { + eval $s; + push @out, $@ if $@; + } + return @out; +} + +# load the bad message table +sub load_badmsg +{ + my @out; + my $s = readfilestr($badmsgfn); + if ($s) { + eval $s; + push @out, $@ if $@; + } + return @out; +} + +# load the swop message table +sub load_swop +{ + my @out; + my $s = readfilestr($swopfn); + if ($s) { + eval $s; + push @out, $@ if $@; + } + return @out; +} + +# +# forward that message or not according to the forwarding table +# returns 1 for forward, 0 - to ignore +# + +sub forward_it +{ + my $ref = shift; + my $call = shift; + my $i; + + for ($i = 0; $i < @forward; $i += 5) { + my ($sort, $field, $pattern, $action, $bbs) = @forward[$i..($i+4)]; + my $tested; + + # are we interested? + next if $ref->{private} && $sort ne 'P'; + next if !$ref->{private} && $sort ne 'B'; + + # select field + $tested = $ref->{to} if $field eq 'T'; + $tested = $ref->{from} if $field eq 'F'; + $tested = $ref->{origin} if $field eq 'O'; + $tested = $ref->{subject} if $field eq 'S'; + + if (!$pattern || $tested =~ m{$pattern}i) { + return 0 if $action eq 'I'; + return 1 if !$bbs || grep $_ eq $call, @{$bbs}; + } + } + return 0; +} + +sub dump_it +{ + my $ref = shift; + my $call = shift; + my $i; + + for ($i = 0; $i < @badmsg; $i += 3) { + my ($sort, $field, $pattern) = @badmsg[$i..($i+2)]; + my $tested; + + # are we interested? + next if $ref->{private} && $sort ne 'P'; + next if !$ref->{private} && $sort ne 'B'; + + # select field + $tested = $ref->{to} if $field eq 'T'; + $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; + } + } + return 0; +} + +sub swop_it +{ + my $ref = shift; + my $call = shift; + my $i; + my $count = 0; + + for ($i = 0; $i < @swop; $i += 5) { + my ($sort, $field, $pattern, $tfield, $topattern) = @swop[$i..($i+4)]; + my $tested; + my $swop; + my $old; + + # are we interested? + next if $ref->{private} && $sort ne 'P'; + next if !$ref->{private} && $sort ne 'B'; + + # select field + $tested = $ref->{to} if $field eq 'T'; + $tested = $ref->{from} if $field eq 'F'; + $tested = $ref->{origin} if $field eq 'O'; + $tested = $ref->{subject} if $field eq 'S'; + + # select swop field + $old = $swop = $ref->{to} if $tfield eq 'T'; + $old = $swop = $ref->{from} if $tfield eq 'F'; + $old = $swop = $ref->{origin} if $tfield eq 'O'; + $old = $swop = $ref->{subject} if $tfield eq 'S'; + + if ($tested =~ m{$pattern}i) { + if ($tested eq $swop) { + $swop =~ s{$pattern}{$topattern}i; + } else { + $swop = $topattern; + } + Log('msg', "Msg $ref->{msgno}: $tfield $old -> $swop"); + Log('dbg', "Msg $ref->{msgno}: $tfield $old -> $swop"); + $ref->{to} = $swop if $tfield eq 'T'; + $ref->{from} = $swop if $tfield eq 'F'; + $ref->{origin} = $swop if $tfield eq 'O'; + $ref->{subject} = $swop if $tfield eq 'S'; + ++$count; + } + } + return $count; +} + +# import any msgs in the import directory +# the messages are in BBS format (but may have cluster extentions +# so SB UK < GB7TLH is legal +sub import_msgs +{ + # are there any to do in this directory? + return unless -d $importfn; + unless (opendir(DIR, $importfn)) { + dbg("can\'t open $importfn $!") if isdbg('msg'); + Log('msg', "can\'t open $importfn $!"); + return; + } + + my @names = readdir(DIR); + closedir(DIR); + my $name; + foreach $name (@names) { + next if $name =~ /^\./; + my $splitit = $name =~ /^split/; + my $fn = "$importfn/$name"; + next unless -f $fn; + unless (open(MSG, $fn)) { + dbg("can\'t open import file $fn $!") if isdbg('msg'); + Log('msg', "can\'t open import file $fn $!"); + unlink($fn); + next; + } + my @msg = map { chomp; $_ } ; + close(MSG); + unlink($fn); + my @out = import_one($main::me, \@msg, $splitit); + Log('msg', @out); + } + queue_msg(0); +} + +# import one message as a list in bbs (as extended) mode +# takes a reference to an array containing the whole message +sub import_one +{ + my $dxchan = shift; + my $ref = shift; + my $splitit = shift; + my $private = '1'; + my $rr = '0'; + my $notincalls = 1; + my $from = $dxchan->call; + my $origin = $main::mycall; + my @to; + my @out; + + # first line; + my $line = shift @$ref; + my @f = split /\s+/, $line; + unless (@f && $f[0] =~ /^(:?S|SP|SB|SEND)$/ ) { + my $m = "invalid first line in import '$line'"; + dbg($m) if isdbg('msg'); + return (1, $m); + } + while (@f) { + my $f = uc shift @f; + next if $f eq 'SEND'; + + # private / noprivate / rr + if ($notincalls && ($f eq 'B' || $f eq 'SB' || $f =~ /^NOP/oi)) { + $private = '0'; + } elsif ($notincalls && ($f eq 'P' || $f eq 'SP' || $f =~ /^PRI/oi)) { + ; + } elsif ($notincalls && ($f eq 'RR')) { + $rr = '1'; + } elsif ($f eq '@' && @f) { # this is bbs syntax, for AT + next; + } 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) = $f =~ /^\@(\S+)$/; + } else { + + # callsign ? + $notincalls = 0; + + # is this callsign a distro? + my $fn = "$msgdir/distro/$f.pl"; + if (-e $fn) { + my $fh = new IO::File $fn; + if ($fh) { + local $/ = undef; + my $s = <$fh>; + $fh->close; + my @call; + @call = eval $s; + return (1, "Error in Distro $f.pl:", $@) if $@; + if (@call > 0) { + push @f, @call; + next; + } + } + } + + if (grep $_ eq $f, @DXMsg::badmsg) { + push @out, $dxchan->msg('m3', $f); + } else { + push @to, $f; + } + } + } + + # subject is the next line + my $subject = shift @$ref; + + # strip off trailing lines + pop @$ref while (@$ref && $$ref[-1] =~ /^\s*$/); + + # strip off /EX or /ABORT + return ("aborted") if @$ref && $$ref[-1] =~ m{^/ABORT$}i; + pop @$ref if (@$ref && $$ref[-1] =~ m{^/EX$}i); + + # sort out any splitting that needs to be done + my @chunk; + if ($splitit) { + my $lth = 0; + my $lines = []; + for (@$ref) { + if ($lth >= $maxchunk || ($lth > $minchunk && /^\s*$/)) { + push @chunk, $lines; + $lines = []; + $lth = 0; + } + push @$lines, $_; + $lth += length; + } + push @chunk, $lines if @$lines; + } else { + push @chunk, $ref; + } + + # write all the messages away + my $i; + for ( $i = 0; $i < @chunk; $i++) { + my $chunk = $chunk[$i]; + my $ch_subject; + if (@chunk > 1) { + my $num = " [" . ($i+1) . "/" . scalar @chunk . "]"; + $ch_subject = substr($subject, 0, 27 - length $num) . $num; + } else { + $ch_subject = $subject; + } + my $to; + foreach $to (@to) { + my $systime = $main::systime; + my $mycall = $main::mycall; + my $mref = DXMsg->alloc(DXMsg::next_transno('Msgno'), + $to, + $from, + $systime, + $private, + $ch_subject, + $origin, + '0', + $rr); + $mref->swop_it($main::mycall); + $mref->store($chunk); + $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')); + } + } + } + } + return @out; +} + no strict; sub AUTOLOAD { @@ -760,6 +1343,9 @@ sub AUTOLOAD $name =~ s/.*:://o; confess "Non-existant field '$AUTOLOAD'" if !$valid{$name}; + # this clever line of code creates a subroutine which takes over from autoload + # from OO Perl - Conway + *{$AUTOLOAD} = sub {@_ > 1 ? $_[0]->{$name} = $_[1] : $_[0]->{$name}} ; @_ ? $self->{$name} = shift : $self->{$name} ; }