#
# Copyright (c) 1998 Dirk Koopman G1TLH
#
-# $Id$
-#
+#
+#
+#
+# Notes for implementors:-
+#
+# 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 FileHandle;
-use Carp;
+use DXLog;
+use IO::File;
+use Fcntl;
+
+eval {
+ require Net::SMTP;
+};
use strict;
-use vars qw($stream %work @msg $msgdir $msgnofn);
-%work = (); # outstanding jobs
-@msg = (); # messages we have
-$msgdir = "$main::data/msg"; # directory contain the msgs
+use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean $residencetime
+ @badmsg @swop $swopfn $badmsgfn $forwardfn @forward $timeout $waittime
+ $email_server $email_prog $email_from
+ $queueinterval $lastq $importfn $minchunk $maxchunk $bulltopriv);
+
+%work = (); # outstanding jobs
+@msg = (); # messages we have
+%busy = (); # station interlocks
+$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
+$residencetime = 2*86400; # keep deleted messages for this amount of time
+$email_server = undef; # DNS address of smtp server if 'smtp'
+$email_prog = undef; # program name + args for sending mail
+$email_from = undef; # the from address the email will appear to be from
+
+$badmsgfn = "$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 = (
+ 'read' => '5,Times read',
+ count => '5,Gob Linecnt',
+ delete => '5,Awaiting Delete,yesno',
+ deletetime => '5,Deletion Time,cldatetime',
+ file => '5,File?,yesno',
+ from => '0,From',
+ fromnode => '5,From Node',
+ gotit => '5,Got it Nodes,parray',
+ keep => '0,Keep this?,yesno',
+ lastt => '5,Last processed,cldatetime',
+ lines => '5,Data',
+ lines => '5,Lines,parray',
+ linesreq => '0,Lines per Gob',
+ msgno => '0,Msgno',
+ origin => '0,Origin',
+ private => '5,Private,yesno',
+ rrreq => '5,Read Confirm,yesno',
+ size => '0,Size',
+ stream => '9,Stream No',
+ subject => '0,Subject',
+ t => '0,Msg Time,cldatetime',
+ to => '0,To',
+ tonode => '5,To Node',
+ waitt => '5,Wait until,cldatetime',
+ );
+
+# fix up the default sendmail if available
+for (qw(/usr/sbin/sendmail /usr/lib/sendmail /usr/sbin/sendmail)) {
+ if (-e $_) {
+ $email_prog = $_;
+ last;
+ }
+}
# allocate a new object
# called fromnode, tonode, from, to, datetime, private?, subject, nolinesper
sub alloc
{
- my $pkg = shift;
- my $self = bless {}, $pkg;
- $self->{fromnode} = shift;
- $self->{tonode} = shift;
- $self->{to} = shift;
- $self->{from} = shift;
- $self->{t} = shift;
- $self->{private} = shift;
- $self->{subject} = shift;
- $self->{linesreq} = shift; # this the number of lines to send or receive between PC31s
- $self->{rrreq} = shift; # a read receipt is required
- $self->{origin} = shift;
- $self->{stream} = shift;
- $self->{lines} = [];
-
- return $self;
+ my $pkg = shift;
+ my $self = bless {}, $pkg;
+ $self->{msgno} = shift;
+ my $to = shift;
+ # $to =~ s/-\d+$//o;
+ $self->{to} = ($to eq $main::mycall) ? $main::myalias : $to;
+ my $from = shift;
+ $self->{from} = uc $from;
+ $self->{t} = shift;
+ $self->{private} = shift;
+ $self->{subject} = shift;
+ $self->{origin} = shift;
+ $self->{'read'} = shift;
+ $self->{rrreq} = shift;
+ $self->{delete} = shift;
+ $self->{deletetime} = shift || ($self->{t} + $maxage);
+ $self->{keep} = shift;
+ $self->{gotit} = [];
+# $self->{lastt} = $main::systime;
+ $self->{lines} = [];
+ $self->{private} = 1 if $bulltopriv && DXUser::get_current($self->{to});
+
+ return $self;
}
-sub workclean
+
+sub process
{
- my $ref = shift;
- delete $ref->{lines};
- delete $ref->{linesreq};
- delete $ref->{tonode};
- delete $ref->{stream};
+ # this is periodic processing
+ if ($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 = $main::systime;
+ }
+
+ # clean the message queue
+ if ($main::systime >= $last_clean+3600) {
+ clean_old();
+ $last_clean = $main::systime;
+ }
+
+ # actual remove all the 'deleted' messages in one hit.
+ # this has to be delayed until here otherwise it only does one at
+ # a time because @msg is rewritten everytime del_msg is called.
+ my @del = grep {!$_->{tonode} && $_->{delete} && !$_->{keep} && $_->{deletetime} < $main::systime} @msg;
+ for (@del) {
+ $_->del_msg;
+ }
+
}
-sub process
+# incoming message
+sub handle_28
{
- my ($self, $line) = @_;
- my @f = split /[\^\~]/, $line;
- my ($pcno) = $f[0] =~ /^PC(\d\d)/; # just get the number
-
- SWITCH: {
- if ($pcno == 28) { # incoming message
- my $t = cltounix($f[5], $f[6]);
- my $stream = next_transno($f[2]);
- my $ref = DXMsg->alloc($f[1], $f[2], $f[3], $f[4], $t, $f[7], $f[8], $f[10], $f[11], $f[13], $stream);
- dbg('msg', "new message from $f[4] to $f[3] '$f[8]' stream $stream\n");
- $work{"$f[1]$f[2]$stream"} = $ref; # store in work
- $self->send(DXProt::pc30($f[2], $f[1], $stream));
- $ref->{count} = 0; # no of lines between PC31s
- last SWITCH;
- }
-
- if ($pcno == 29) { # incoming text
- my $ref = $work{"$f[1]$f[2]$f[3]"};
- if ($ref) {
- push @{$ref->{lines}}, $f[4];
+ my $dxchan = shift;
+ my ($tonode, $fromnode) = @_[1..2];
+
+ # sort out various extant protocol errors that occur
+ my $origin = $_[13];
+ $origin = $dxchan->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 $t = cltounix($_[5], $_[6]);
+ my $stream = next_transno($fromnode);
+ $ref = DXMsg->alloc($stream, uc $_[3], $_[4], $t, $_[7], $_[8], $origin, '0', $_[11]);
+
+ # fill in various forwarding state variables
+ $ref->{fromnode} = $fromnode;
+ $ref->{tonode} = $tonode;
+ $ref->{rrreq} = $_[11];
+ $ref->{linesreq} = $_[10];
+ $ref->{stream} = $stream;
+ $ref->{count} = 0; # no of lines between PC31s
+ dbg("new message from $_[4] to $_[3] '$_[8]' stream $fromnode/$stream\n") if isdbg('msg');
+ Log('msg', "Incoming message $_[4] to $_[3] '$_[8]' origin: $origin" );
+ set_fwq($fromnode, $stream, $ref); # store in work
+ set_busy($fromnode, $ref); # set interlock
+ $dxchan->send(DXProt::pc30($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");
+ }
+}
+
+# incoming text
+sub handle_29
+{
+ my $dxchan = shift;
+ my ($tonode, $fromnode, $stream) = @_[1..3];
+
+ my $ref = get_fwq($fromnode, $stream);
+ if ($ref) {
+ $_[4] =~ s/\%5E/~/g;
+ if (@{$ref->{lines}}) {
+ push @{$ref->{lines}}, $_[4];
+ } else {
+ # temporarily store any R: lines so that we end up with
+ # only the first and last ones stored.
+ if ($_[4] =~ m|^R:\d{6}/\d{4}|) {
+ push @{$ref->{tempr}}, $_[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}}, $_[4];
+ }
+ }
$ref->{count}++;
if ($ref->{count} >= $ref->{linesreq}) {
- $self->send(DXProt::pc31($f[2], $f[1], $f[3]));
- dbg('msg', "stream $f[3]: $ref->{linereq} lines received\n");
- $ref->{count} = 0;
+ $dxchan->send(DXProt::pc31($fromnode, $tonode, $stream));
+ dbg("stream $stream: $ref->{count} lines received\n") if isdbg('msg');
+ $ref->{count} = 0;
}
- }
- last SWITCH;
+ $ref->{lastt} = $main::systime;
+ } else {
+ dbg("PC29 from unknown stream $stream from $fromnode") if isdbg('msg');
+ $dxchan->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
}
-
- if ($pcno == 30) {
- last SWITCH;
+}
+
+# this is a incoming subject ack
+sub handle_30
+{
+ my $dxchan = shift;
+ my ($tonode, $fromnode, $stream) = @_[1..3];
+
+ my $ref = get_fwq($fromnode); # note no stream at this stage
+ if ($ref) {
+ del_fwq($fromnode);
+ $ref->{stream} = $stream;
+ $ref->{count} = 0;
+ $ref->{linesreq} = 5;
+ set_fwq($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 ];
+ $ref->send_tranche($dxchan);
+ $ref->{lastt} = $main::systime;
+ } else {
+ dbg("PC30 from unknown stream $stream from $fromnode") if isdbg('msg');
+ $dxchan->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
+ }
+}
+
+# acknowledge a tranche of lines
+sub handle_31
+{
+ my $dxchan = shift;
+ my ($tonode, $fromnode, $stream) = @_[1..3];
+
+ my $ref = get_fwq($fromnode, $stream);
+ if ($ref) {
+ dbg("tranche ack stream $stream\n") if isdbg('msg');
+ $ref->send_tranche($dxchan);
+ $ref->{lastt} = $main::systime;
+ } else {
+ dbg("PC31 from unknown stream $stream from $fromnode") if isdbg('msg');
+ $dxchan->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
+ }
+}
+
+# incoming EOM
+sub handle_32
+{
+ my $dxchan = shift;
+ my ($tonode, $fromnode, $stream) = @_[1..3];
+
+ dbg("stream $stream: EOM received\n") if isdbg('msg');
+ my $ref = get_fwq($fromnode, $stream);
+ if ($ref) {
+ $dxchan->send(DXProt::pc33($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}) {
+ if ($ref->{file}) {
+ $ref->store($ref->{lines});
+ } else {
+
+ # is it too old
+ if ($ref->{t}+$maxage < $main::systime ) {
+ $ref->stop_msg($fromnode);
+ dbg("old message from $ref->{from} -> $ref->{to} " . atime($ref->{t}) . " ignored") if isdbg('msg');
+ Log('msg', "old message from $ref->{from} -> $ref->{to} " . cldatetime($ref->{t}) . " ignored");
+ return;
+ }
+
+ # does an identical message already exist?
+ my $m;
+ for $m (@msg) {
+ if (substr($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("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
+ $ref->swop_it($dxchan->call);
+
+ # look for 'bad' to addresses
+ if ($ref->dump_it($dxchan->call)) {
+ $ref->stop_msg($fromnode);
+ dbg("'Bad' message $ref->{to}") if isdbg('msg');
+ Log('msg', "'Bad' message $ref->{to}");
+ return;
+ }
+
+ # check the message for bad words
+ my @bad;
+ my @words;
+ @bad = BadWords::check($ref->{subject});
+ push @words, [$ref->{subject}, @bad] if @bad;
+ for (@{$ref->{lines}}) {
+ @bad = BadWords::check($_);
+ push @words, [$_, @bad] if @bad;
+ }
+ if (@words) {
+ LogDbg('msg',"$ref->{from} swore: $ref->{to} origin: $ref->{origin} via " . $dxchan->call);
+ LogDbg('msg',"subject: $ref->{subject}");
+ for (@words) {
+ my $r = $_;
+ my $line = shift @$r;
+ LogDbg('msg', "line: $line (using words: ". join(',', @$r).")");
+ }
+ $ref->stop_msg($fromnode);
+ return;
+ }
+
+ $ref->{msgno} = next_transno("Msgno");
+ push @{$ref->{gotit}}, $fromnode; # mark this up as being received
+ $ref->store($ref->{lines});
+ $ref->notify;
+ add_dir($ref);
+ Log('msg', "Message $ref->{msgno} from $ref->{from} received from $fromnode for $ref->{to}");
+ }
+ }
+ $ref->stop_msg($fromnode);
+ } else {
+ dbg("PC32 from unknown stream $stream from $fromnode") if isdbg('msg');
+ $dxchan->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
}
+ # queue_msg(0);
+}
+
+# acknowledge the end of message
+sub handle_33
+{
+ my $dxchan = shift;
+ my ($tonode, $fromnode, $stream) = @_[1..3];
- if ($pcno == 31) {
- last SWITCH;
- }
+ 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 $fromnode and deleted");
+ $ref->mark_delete;
+ } else {
+ 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
+ }
+ $ref->stop_msg($fromnode);
+ } else {
+ dbg("PC33 from unknown stream $stream from $fromnode") if isdbg('msg');
+ $dxchan->send(DXProt::pc42($fromnode, $tonode, $stream)); # unknown stream
+ }
+
+ # send next one if present
+ queue_msg(0);
+}
+
+# this is a file request
+sub handle_40
+{
+ my $dxchan = shift;
+ my ($tonode, $fromnode) = @_[1..2];
- if ($pcno == 32) { # incoming EOM
- dbg('msg', "stream $f[3]: EOM received\n");
- my $ref = $work{"$f[1]$f[2]$f[3]"};
- if ($ref) {
- $self->send(DXProt::pc33($f[2], $f[1], $f[3]));# acknowledge it
- $ref->store(); # store it (whatever that may mean)
- delete $work{"$f[1]$f[2]$f[3]"}; # remove the reference from the work vector
- }
- last SWITCH;
+ $_[3] =~ s/\\/\//og; # change the slashes
+ $_[3] =~ s/\.//og; # remove dots
+ $_[3] =~ s/^\///o; # remove the leading /
+ $_[3] = lc $_[3]; # to lower case;
+ dbg("incoming file $_[3]\n") if isdbg('msg');
+ $_[3] = 'packclus/' . $_[3] unless $_[3] =~ /^packclus\//o;
+
+ # create any directories
+ my @part = split /\//, $_[3];
+ my $part;
+ my $fn = "$main::root";
+ pop @part; # remove last part
+ foreach $part (@part) {
+ $fn .= "/$part";
+ next if -e $fn;
+ last SWITCH if !mkdir $fn, 0777;
+ dbg("created directory $fn\n") if isdbg('msg');
}
+ my $stream = next_transno($fromnode);
+ my $ref = DXMsg->alloc($stream, "$main::root/$_[3]", $dxchan->call, time, !$_[4], $_[3], ' ', '0', '0');
+
+ # forwarding variables
+ $ref->{fromnode} = $tonode;
+ $ref->{tonode} = $fromnode;
+ $ref->{linesreq} = $_[5];
+ $ref->{stream} = $stream;
+ $ref->{count} = 0; # no of lines between PC31s
+ $ref->{file} = 1;
+ $ref->{lastt} = $main::systime;
+ set_fwq($fromnode, $stream, $ref); # store in work
+ $dxchan->send(DXProt::pc30($fromnode, $tonode, $stream)); # send ack
+}
+
+# abort transfer
+sub handle_42
+{
+ my $dxchan = shift;
+ my ($tonode, $fromnode, $stream) = @_[1..3];
- if ($pcno == 33) {
- last SWITCH;
+ dbg("stream $stream: abort received\n") if isdbg('msg');
+ my $ref = get_fwq($fromnode, $stream);
+ if ($ref) {
+ $ref->stop_msg($fromnode);
+ $ref = undef;
}
+}
+
+# global delete on subject
+sub handle_49
+{
+ my $dxchan = shift;
+ my $line = shift;
- if ($pcno == 40) { # this is a file request
- $f[3] =~ s/\\/\//og; # change the slashes
- $f[3] =~ s/\.//og; # remove dots
- $f[3] = lc $f[3]; # to lower case;
- dbg('msg', "incoming file $f[3]\n");
- last SWITCH if $f[3] =~ /^\/(perl|cmd|local_cmd|src|lib|include|sys|data\/msg)\//; # prevent access to executables
-
- # create any directories
- my @part = split /\//, $f[3];
- my $part;
- my $fn = "$main::root";
- pop @part; # remove last part
- foreach $part (@part) {
- $fn .= "/$part";
- next if -e $fn;
- last SWITCH if !mkdir $fn, 0777;
- dbg('msg', "created directory $fn\n");
- }
- my $stream = next_transno($f[2]);
- my $ref = DXMsg->alloc($f[1], $f[2], "$main::root/$f[3]", undef, time, !$f[4], undef, $f[5], 0, ' ', $stream);
- $ref->{file} = 1;
- $work{"$f[1]$f[2]$stream"} = $ref; # store in work
- $self->send(DXProt::pc30($f[2], $f[1], $stream));
- $ref->{count} = 0; # no of lines between PC31s
-
- last SWITCH;
+ for (@msg) {
+ if ($_->{from} eq $_[1] && $_->{subject} eq $_[2]) {
+ $_->mark_delete;
+ Log('msg', "Message $_->{msgno} from $_->{from} ($_->{subject}) fully deleted");
+ DXChannel::broadcast_nodes($line, $dxchan);
+ }
}
- }
}
+
+sub notify
+{
+ my $ref = shift;
+ my $to = $ref->{to};
+ my $uref = DXUser::get_current($to);
+ my $dxchan = DXChannel::get($to);
+ if (((*Net::SMTP && $email_server) || $email_prog) && $uref && $uref->wantemail) {
+ my $email = $uref->email;
+ if ($email) {
+ my @rcpt = ref $email ? @{$email} : $email;
+ my $fromaddr = $email_from || $main::myemail;
+ my @headers = ("To: $ref->{to}",
+ "From: $fromaddr",
+ "Subject: [DXSpider: $ref->{from}] $ref->{subject}",
+ "X-DXSpider-To: $ref->{to}",
+ "X-DXSpider-From: $ref->{from}\@$ref->{origin}",
+ "X-DXSpider-Gateway: $main::mycall"
+ );
+ my @data = ("Msgno: $ref->{msgno} To: $to From: $ref->{from}\@$ref->{origin} Gateway: $main::mycall",
+ "",
+ $ref->read_msg_body
+ );
+ my $msg;
+ undef $!;
+ if (*Net::SMTP && $email_server) {
+ $msg = Net::SMTP->new($email_server);
+ if ($msg) {
+ $msg->mail($fromaddr);
+ $msg->to(@rcpt);
+ $msg->data(map {"$_\n"} @headers, '', @data);
+ $msg->quit;
+ }
+ } elsif ($email_prog) {
+ $msg = new IO::File "|$email_prog " . join(' ', @rcpt);
+ if ($msg) {
+ print $msg map {"$_\r\n"} @headers, '', @data, '.';
+ $msg->close;
+ }
+ }
+ dbg("email forwarding error $!") if isdbg('msg') && !$msg && defined $!;
+ }
+ }
+ $dxchan->send($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
sub store
{
- my $ref = shift;
-
- # we only proceed if there are actually any lines in the file
- if (@{$ref->{lines}} == 0) {
- delete $ref->{lines};
- return;
- }
-
- if ($ref->{file}) { # a file
- dbg('msg', "To be stored in $ref->{to}\n");
-
- my $fh = new FileHandle "$ref->{to}", "w";
- if (defined $fh) {
- my $line;
- foreach $line (@{$ref->{lines}}) {
- print $fh "$line\n";
- }
- $fh->close;
- dbg('msg', "file $ref->{to} stored\n");
- } else {
- confess "can't open file $ref->{to} $!";
- }
- } else { # a normal message
-
- # get the next msg no - note that this has NOTHING to do with the stream number in PC protocol
- my $msgno = next_transno("msgno");
-
- # attempt to open the message file
- my $fn = sprintf "$msgdir/m%06d", $msgno;
-
- dbg('msg', "To be stored in $fn\n");
-
- my $fh = new FileHandle "$fn", "w";
- if (defined $fh) {
- print $fh "=== $ref->{to}^$ref->{from}^$ref->{private}^$ref->{subject}^$ref->{origin}\n";
- print $fh "=== $ref->{fromnode}\n";
- my $line;
- foreach $line (@{$ref->{lines}}) {
- $ref->{size} += length $line + 1;
- print $fh "$line\n";
- }
- $ref->workclean();
- push @msg, $ref; # add this message to the incore message list
- $fh->close;
- dbg('msg', "msg $msgno stored\n");
- } else {
- confess "can't open msg file $fn $!";
+ my $ref = shift;
+ my $lines = shift;
+
+ if ($ref->{file}) { # a file
+ dbg("To be stored in $ref->{to}\n") if isdbg('msg');
+
+ my $fh = new IO::File "$ref->{to}", "w";
+ if (defined $fh) {
+ my $line;
+ foreach $line (@{$lines}) {
+ print $fh "$line\n";
+ }
+ $fh->close;
+ 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} $!";
+ }
+ } else { # a normal message
+
+ # attempt to open the message file
+ my $fn = filename($ref->{msgno});
+
+ 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';
+ my $del = $ref->{delete} ? '1' : '0';
+ my $delt = $ref->{deletetime} || ($ref->{t} + $maxage);
+ my $keep = $ref->{keep} || '0';
+ print $fh "=== $ref->{msgno}^$ref->{to}^$ref->{from}^$ref->{t}^$priv^$ref->{subject}^$ref->{origin}^$ref->{'read'}^$rr^$del^$delt^$keep\n";
+ print $fh "=== ", join('^', @{$ref->{gotit}}), "\n";
+ my $line;
+ $ref->{size} = 0;
+ foreach $line (@{$lines}) {
+ $line =~ s/[\x00-\x08\x0a-\x1f\x80-\x9f]/./g;
+ $ref->{size} += (length $line) + 1;
+ print $fh "$line\n";
+ }
+ $fh->close;
+ 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 $!";
+ }
+ }
+
+}
+
+# delete a message
+sub del_msg
+{
+ my $self = shift;
+ my $dxchan = shift;
+ my $call = '';
+ $call = ' by ' . $dxchan->call if $dxchan;
+
+ if ($self->{tonode}) {
+ $self->{delete}++;
+ $self->{deletetime} = 0;
+ dbg("Msgno $self->{msgno} but marked as expunged$call") if isdbg('msg');
+ } else {
+ # remove it from the active message list
+ @msg = grep { $_ != $self } @msg;
+
+ Log('msg', "Msgno $self->{msgno} expunged$call");
+ dbg("Msgno $self->{msgno} expunged$call") if isdbg('msg');
+
+ # remove the file
+ unlink filename($self->{msgno});
+ }
+}
+
+sub mark_delete
+{
+ my $ref = shift;
+ my $t = shift;
+
+ return if $ref->{keep};
+
+ $t = $main::systime + $residencetime unless defined $t;
+
+ $ref->{delete}++;
+ $ref->{deletetime} = $t;
+ $ref->store( [$ref->read_msg_body] );
+}
+
+sub unmark_delete
+{
+ my $ref = shift;
+ my $t = shift;
+ $ref->{delete} = 0;
+ $ref->{deletetime} = 0;
+}
+
+# clean out old messages from the message queue
+sub clean_old
+{
+ my $ref;
+
+ # mark old messages for deletion
+ foreach $ref (@msg) {
+ if (ref($ref) && !$ref->{keep} && $ref->{deletetime} < $main::systime) {
+
+ # this is for IMMEDIATE destruction
+ $ref->{delete}++;
+ $ref->{deletetime} = 0;
+ }
+ }
+}
+
+# read in a message header
+sub read_msg_header
+{
+ my $fn = shift;
+ my $file;
+ my $line;
+ my $ref;
+ my @f;
+ my $size;
+
+ $file = new IO::File "$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) {
+ dbg("corrupt first line in $fn ($line)");
+ Log('err', "corrupt first line in $fn ($line)");
+ return undef;
+ }
+ $line =~ s/^=== //o;
+ @f = split /\^/, $line;
+ $ref = DXMsg->alloc(@f);
+
+ $line = <$file>; # second line
+ chomp $line;
+ $size -= length $line;
+ if (! $line =~ /^===/o) {
+ dbg("corrupt second line in $fn ($line)");
+ Log('err', "corrupt second line in $fn ($line)");
+ return undef;
+ }
+ $line =~ s/^=== //o;
+ $ref->{gotit} = [];
+ @f = split /\^/, $line;
+ push @{$ref->{gotit}}, @f;
+ $ref->{size} = $size;
+
+ close($file);
+
+ return $ref;
+}
+
+# read in a message header
+sub read_msg_body
+{
+ my $self = shift;
+ my $msgno = $self->{msgno};
+ my $file;
+ my $line;
+ my $fn = filename($msgno);
+ my @out;
+
+ $file = new IO::File;
+ if (!open($file, $fn)) {
+ dbg("Error reading $fn $!");
+ Log('err' ,"Error reading $fn $!");
+ return ();
+ }
+ @out = map {chomp; $_} <$file>;
+ close($file);
+
+ shift @out if $out[0] =~ /^=== /;
+ shift @out if $out[0] =~ /^=== /;
+ return @out;
+}
+
+# send a tranche of lines to the other end
+sub send_tranche
+{
+ my ($self, $dxchan) = @_;
+ my @out;
+ my $to = $self->{tonode};
+ my $from = $self->{fromnode};
+ my $stream = $self->{stream};
+ my $lines = $self->{lines};
+ my ($c, $i);
+
+ for ($i = 0, $c = $self->{count}; $i < $self->{linesreq} && $c < @$lines; $i++, $c++) {
+ push @out, DXProt::pc29($to, $from, $stream, $lines->[$c]);
}
- }
+ $self->{count} = $c;
+
+ push @out, DXProt::pc32($to, $from, $stream) if $i < $self->{linesreq};
+ $dxchan->send(@out);
+}
+
+
+# find a message to send out and start the ball rolling
+sub queue_msg
+{
+ my $sort = shift;
+ my $ref;
+ my $clref;
+
+ # bat down the message list looking for one that needs to go off site and whose
+ # nearest node is not busy.
+
+ dbg("queue msg ($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 + int 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?
+ 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 $dxchan;
+ if ($ref->{private}) {
+ 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
+ next if $dxchan->is_arcluster; # don't even go there, idiot people send the header in the wrong order and won't/can't fix it
+ next if $dxchan->isolate; # there is no mechanism for sending messages to isolated nodes.
+ $ref->start_msg($dxchan) if !get_busy($dxchan->call) && $dxchan->state eq 'normal';
+ }
+ } else {
+ dbg("Route: No dxchan for $ref->{to} " . ref($clref) ) if isdbg('msg');
+ }
+ }
+ } 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
+ next if $dxchan->is_arcluster; # don't even go there, idiot people send the header in the wrong order and won't/can't fix it
+ next if $dxchan->isolate; # there is no mechanism for sending messages to isolated nodes.
+
+ # if we are here we have a node that doesn't have this message
+ if (!get_busy($call) && $dxchan->state eq 'normal') {
+ $ref->start_msg($dxchan);
+ last;
+ }
+ }
+ }
+
+ # 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;
+ my $count;
+
+ foreach $ref (@msg) {
+ # is it for me, private and unread?
+ if ($ref->{to} eq $call && $ref->{private}) {
+ $count++ unless $ref->{'read'} || $ref->{delete};
+ }
+ }
+ return $count;
+}
+
+# start the message off on its travels with a PC28
+sub start_msg
+{
+ my ($self, $dxchan) = @_;
+
+ 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} = $main::mycall;
+ set_busy($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
+sub get_busy
+{
+ my $call = shift;
+ return $busy{$call};
+}
+
+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 keys %busy;
+}
+
+# get a forwarding queue entry
+sub get_fwq
+{
+ 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 = shift;
+ my $node = shift;
+ my $stream = $self->{stream};
+
+
+ dbg("stop msg $self->{msgno} -> node $node\n") if isdbg('msg');
+ del_fwq($node, $stream);
+ $self->workclean;
+ del_busy($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
sub next_transno
{
- my $name = shift;
- $name =~ s/\W//og; # remove non-word characters
- my $fn = "$msgdir/$name";
- my $msgno;
-
- my $fh = new FileHandle;
- if (sysopen($fh, $fn, O_RDWR|O_CREAT, 0666)) {
- $fh->autoflush(1);
- $msgno = $fh->getline;
- chomp $msgno;
- $msgno++;
- seek $fh, 0, 0;
- $fh->print("$msgno\n");
- dbg('msg', "msgno $msgno allocated for $name\n");
- $fh->close;
- } else {
- confess "can't open $fn $!";
- }
- return $msgno;
-}
-
-# initialise the message 'system'
+ my $name = shift;
+ $name =~ s/\W//og; # remove non-word characters
+ my $fn = "$msgdir/$name";
+ my $msgno;
+
+ my $fh = new IO::File;
+ if (sysopen($fh, $fn, O_RDWR|O_CREAT, 0666)) {
+ $fh->autoflush(1);
+ $msgno = $fh->getline || '0';
+ chomp $msgno;
+ $msgno++;
+ seek $fh, 0, 0;
+ $fh->print("$msgno\n");
+ dbg("msgno $msgno allocated for $name\n") if isdbg('msg');
+ $fh->close;
+ } else {
+ confess "can't open $fn $!";
+ }
+ return $msgno;
+}
+
+# initialise the message 'system', read in all the message headers
sub init
{
+ 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($dir);
+
+ @msg = ();
+ for (sort @dir) {
+ next unless /^m\d\d\d\d\d\d$/;
+
+ $ref = read_msg_header("$msgdir/$_");
+ unless ($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);
+ }
+}
+
+# add the message to the directory listing
+sub add_dir
+{
+ my $ref = shift;
+ confess "tried to add a non-ref to the msg directory" if !ref $ref;
+ push @msg, $ref;
+}
+
+# return all the current messages
+sub get_all
+{
+ return @msg;
+}
+
+# get a particular message
+sub get
+{
+ my $msgno = shift;
+ for (@msg) {
+ return $_ if $_->{msgno} == $msgno;
+ last if $_->{msgno} > $msgno;
+ }
+ return undef;
+}
+
+# return the official filename for a message no
+sub filename
+{
+ return sprintf "$msgdir/m%06d", shift;
+}
+
+#
+# return a list of valid elements
+#
+
+sub fields
+{
+ return keys(%valid);
+}
+#
+# return a prompt for a field
+#
+
+sub field_prompt
+{
+ my ($self, $ele) = @_;
+ return $valid{$ele};
+}
+
+#
+# send a message state machine
+sub do_send_stuff
+{
+ my $self = shift;
+ my $line = shift;
+ my @out;
+
+ if ($self->state eq 'send1') {
+ # $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');
+ #push @out, $self->msg('sendbody');
+ 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" || $line eq '%1A' || uc $line eq "/EX") {
+ my $to;
+ unless ($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 {
+ LogDbg('msg', $self->call . " swore to @{$loc->{to}} subject: '$loc->{subject}' in msg, REJECTED");
+ }
+
+ delete $loc->{lines};
+ delete $loc->{to};
+ delete $self->{loc};
+ $self->func(undef);
+
+ $self->state('prompt');
+ } elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") {
+ #push @out, $self->msg('sendabort');
+ push @out, $self->msg('m10');
+ delete $loc->{lines};
+ delete $loc->{to};
+ delete $self->{loc};
+ $self->func(undef);
+ $self->state('prompt');
+ } elsif ($line =~ m|^/+\w+|) {
+ # this is a command that you want display for your own reference
+ # or if it has TWO slashes is a command
+ $line =~ s|^/||;
+ my $store = $line =~ s|^/+||;
+ my @in = $self->run_cmd($line);
+ push @out, @in;
+ if ($store) {
+ foreach my $l (@in) {
+ if (my @ans = BadWords::check($l)) {
+ $self->{badcount} += @ans;
+ Log('msg', $self->call . " used badwords: @ans to @{$loc->{to}} subject: '$loc->{subject}' in msg") unless $loc->{reject};
+ Log('msg', "line: $l");
+ $loc->{reject}++;
+ }
+ push @{$loc->{lines}}, length($l) > 0 ? $l : " ";
+ }
+ }
+ } else {
+ if (my @ans = BadWords::check($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");
+ $loc->{reject}++;
+ }
+
+ if ($loc->{lines} && @{$loc->{lines}}) {
+ push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
+ } else {
+ # temporarily store any R: lines so that we end up with
+ # only the first and last ones stored.
+ if ($line =~ m|^R:\d{6}/\d{4}|) {
+ push @{$loc->{tempr}}, $line;
+ } else {
+ if (exists $loc->{tempr}) {
+ push @{$loc->{lines}}, shift @{$loc->{tempr}};
+ push @{$loc->{lines}}, pop @{$loc->{tempr}} if @{$loc->{tempr}};
+ delete $loc->{tempr};
+ }
+ push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
+ }
+ }
+
+ # i.e. it ain't and end or abort, therefore store the line
+ }
+ }
+ return @out;
+}
+
+# return the standard directory line for this ref
+sub dir
+{
+ my $ref = shift;
+ my $flag = $ref->{private} && $ref->{read} ? '-' : ' ';
+ if ($ref->{keep}) {
+ $flag = '!';
+ } elsif ($ref->{delete}) {
+ $flag = $ref->{deletetime} > $main::systime ? 'D' : 'E';
+ }
+ return sprintf("%6d%s%s%5d %8.8s %8.8s %-6.6s %5.5s %-30.30s",
+ $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;
+}
+
+#
+# look down the forward table to see whether this is a valid bull
+# or not (ie it will forward somewhere even if it is only here)
+#
+sub valid_bull_addr
+{
+ my $call = shift;
+ my $i;
+
+ unless (@forward) {
+ return 1 if $call =~ /^ALL/;
+ return 1 if $call =~ /^DX/;
+ return 0;
+ }
+
+ for ($i = 0; $i < @forward; $i += 5) {
+ my ($sort, $field, $pattern, $action, $bbs) = @forward[$i..($i+4)];
+ if ($field eq 'T') {
+ if (!$pattern || $call =~ m{$pattern}i) {
+ return 1;
+ }
+ }
+ }
+ 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; $_ } <MSG>;
+ close(MSG);
+ unlink($fn);
+ my @out = import_one($main::me, \@msg, $splitit);
+ Log('msg', @out);
+ }
+}
+
+# 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;
+ @f = map {s/\s+//g; length $_ ? $_ : ()} @f;
+
+ 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 =~ /^[\@\.\#\$]$/ || $f eq '.#') && @f) { # this is bbs syntax, for AT
+ shift @f;
+ } elsif ($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 = $1;
+ } elsif ($f =~ /^\$\S+/) { # this is bbs syntax for bid
+ ;
+ } 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;
+ }
+
+ # 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++) {
+ 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";
+ $mref->notify;
+ }
+ }
+ return @out;
+}
+
+#no strict;
+sub AUTOLOAD
+{
+ no strict;
+ my $name = $AUTOLOAD;
+ return if $name =~ /::DESTROY$/;
+ $name =~ s/^.*:://o;
+
+ confess "Non-existant field '$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}};
+ goto &$AUTOLOAD;
}
1;